diff --git a/.config/hakari.toml b/.config/hakari.toml
index 2050065cc2..8ce0b77490 100644
--- a/.config/hakari.toml
+++ b/.config/hakari.toml
@@ -25,6 +25,8 @@ third-party = [
     { name = "reqwest", version = "0.11.27" },
     # build of remote_server should not include scap / its x11 dependency
     { name = "scap", git = "https://github.com/zed-industries/scap", rev = "808aa5c45b41e8f44729d02e38fd00a2fe2722e7" },
+    # build of remote_server should not need to include on libalsa through rodio
+    { name = "rodio" },
 ]
 
 [final-excludes]
@@ -32,7 +34,6 @@ workspace-members = [
     "zed_extension_api",
 
     # exclude all extensions
-    "zed_emmet",
     "zed_glsl",
     "zed_html",
     "zed_proto",
diff --git a/.github/ISSUE_TEMPLATE/07_bug_windows_alpha.yml b/.github/ISSUE_TEMPLATE/07_bug_windows_alpha.yml
new file mode 100644
index 0000000000..826c2b8027
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/07_bug_windows_alpha.yml
@@ -0,0 +1,35 @@
+name: Bug Report (Windows Alpha)
+description: Zed Windows Alpha Related Bugs
+type: "Bug"
+labels: ["windows"]
+title: "Windows Alpha: <a short description of the Windows bug>"
+body:
+  - type: textarea
+    attributes:
+      label: Summary
+      description: Describe the bug with a one-line summary, and provide detailed reproduction steps
+      value: |
+        <!-- Please insert a one-line summary of the issue below -->
+        SUMMARY_SENTENCE_HERE
+
+        ### Description
+        <!--  Describe with sufficient detail to reproduce from a clean Zed install. -->
+        Steps to trigger the problem:
+        1.
+        2.
+        3.
+
+        **Expected Behavior**:
+        **Actual Behavior**:
+
+    validations:
+      required: true
+  - type: textarea
+    id: environment
+    attributes:
+      label: Zed Version and System Specs
+      description: 'Open Zed, and in the command palette select "zed: copy system specs into clipboard"'
+      placeholder: |
+        Output of "zed: copy system specs into clipboard"
+    validations:
+      required: true
diff --git a/.github/ISSUE_TEMPLATE/10_bug_report.yml b/.github/ISSUE_TEMPLATE/10_bug_report.yml
index e132eca1e5..1bf6c80e40 100644
--- a/.github/ISSUE_TEMPLATE/10_bug_report.yml
+++ b/.github/ISSUE_TEMPLATE/10_bug_report.yml
@@ -14,7 +14,7 @@ body:
         ### Description
         <!--  Describe with sufficient detail to reproduce from a clean Zed install.
           - Any code must be sufficient to reproduce (include context!)
-          - Code must as text, not just as a screenshot.
+          - Include code as text, not just as a screenshot.
           - Issues with insufficient detail may be summarily closed.
         -->
 
diff --git a/.github/actionlint.yml b/.github/actionlint.yml
index d93ec5b15e..6d8e0107e9 100644
--- a/.github/actionlint.yml
+++ b/.github/actionlint.yml
@@ -5,26 +5,41 @@ self-hosted-runner:
     # GitHub-hosted Runners
     - github-8vcpu-ubuntu-2404
     - github-16vcpu-ubuntu-2404
+    - github-32vcpu-ubuntu-2404
+    - github-8vcpu-ubuntu-2204
+    - github-16vcpu-ubuntu-2204
+    - github-32vcpu-ubuntu-2204
+    - github-16vcpu-ubuntu-2204-arm
     - windows-2025-16
     - windows-2025-32
     - windows-2025-64
-    # Buildjet Ubuntu 20.04 - AMD x86_64
-    - buildjet-2vcpu-ubuntu-2004
-    - buildjet-4vcpu-ubuntu-2004
-    - buildjet-8vcpu-ubuntu-2004
-    - buildjet-16vcpu-ubuntu-2004
-    - buildjet-32vcpu-ubuntu-2004
-    # Buildjet Ubuntu 22.04 - AMD x86_64
-    - buildjet-2vcpu-ubuntu-2204
-    - buildjet-4vcpu-ubuntu-2204
-    - buildjet-8vcpu-ubuntu-2204
-    - buildjet-16vcpu-ubuntu-2204
-    - buildjet-32vcpu-ubuntu-2204
-    # Buildjet Ubuntu 22.04 - Graviton aarch64
-    - buildjet-8vcpu-ubuntu-2204-arm
-    - buildjet-16vcpu-ubuntu-2204-arm
-    - buildjet-32vcpu-ubuntu-2204-arm
-    - buildjet-64vcpu-ubuntu-2204-arm
+    # Namespace Ubuntu 20.04 (Release builds)
+    - namespace-profile-16x32-ubuntu-2004
+    - namespace-profile-32x64-ubuntu-2004
+    - namespace-profile-16x32-ubuntu-2004-arm
+    - namespace-profile-32x64-ubuntu-2004-arm
+    # Namespace Ubuntu 22.04 (Everything else)
+    - namespace-profile-4x8-ubuntu-2204
+    - namespace-profile-8x16-ubuntu-2204
+    - namespace-profile-16x32-ubuntu-2204
+    - namespace-profile-32x64-ubuntu-2204
+    # Namespace Ubuntu 24.04 (like ubuntu-latest)
+    - namespace-profile-2x4-ubuntu-2404
+    # Namespace Limited Preview
+    - namespace-profile-8x16-ubuntu-2004-arm-m4
+    - namespace-profile-8x32-ubuntu-2004-arm-m4
     # Self Hosted Runners
     - self-mini-macos
     - self-32vcpu-windows-2022
+
+# Disable shellcheck because it doesn't like powershell
+# This should have been triggered with initial rollout of actionlint
+# but https://github.com/zed-industries/zed/pull/36693
+# somehow caused actionlint to actually check those windows jobs
+# where previously they were being skipped. Likely caused by an
+# unknown bug in actionlint where parsing of `runs-on: [ ]`
+# breaks something else. (yuck)
+paths:
+  .github/workflows/{ci,release_nightly}.yml:
+    ignore:
+      - "shellcheck"
diff --git a/.github/actions/build_docs/action.yml b/.github/actions/build_docs/action.yml
index a7effad247..d2e62d5b22 100644
--- a/.github/actions/build_docs/action.yml
+++ b/.github/actions/build_docs/action.yml
@@ -13,7 +13,7 @@ runs:
       uses: swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2
       with:
         save-if: ${{ github.ref == 'refs/heads/main' }}
-        cache-provider: "buildjet"
+        # cache-provider: "buildjet"
 
     - name: Install Linux dependencies
       shell: bash -euxo pipefail {0}
diff --git a/.github/actions/run_tests_windows/action.yml b/.github/actions/run_tests_windows/action.yml
index cbe95e82c1..0a550c7d32 100644
--- a/.github/actions/run_tests_windows/action.yml
+++ b/.github/actions/run_tests_windows/action.yml
@@ -20,7 +20,167 @@ runs:
       with:
         node-version: "18"
 
+    - name: Configure crash dumps
+      shell: powershell
+      run: |
+        # Record the start time for this CI run
+        $runStartTime = Get-Date
+        $runStartTimeStr = $runStartTime.ToString("yyyy-MM-dd HH:mm:ss")
+        Write-Host "CI run started at: $runStartTimeStr"
+
+        # Save the timestamp for later use
+        echo "CI_RUN_START_TIME=$($runStartTime.Ticks)" >> $env:GITHUB_ENV
+
+        # Create crash dump directory in workspace (non-persistent)
+        $dumpPath = "$env:GITHUB_WORKSPACE\crash_dumps"
+        New-Item -ItemType Directory -Force -Path $dumpPath | Out-Null
+
+        Write-Host "Setting up crash dump detection..."
+        Write-Host "Workspace dump path: $dumpPath"
+
+        # Note: We're NOT modifying registry on stateful runners
+        # Instead, we'll check default Windows crash locations after tests
+
     - name: Run tests
       shell: powershell
       working-directory: ${{ inputs.working-directory }}
-      run: cargo nextest run --workspace --no-fail-fast
+      run: |
+        $env:RUST_BACKTRACE = "full"
+
+        # Enable Windows debugging features
+        $env:_NT_SYMBOL_PATH = "srv*https://msdl.microsoft.com/download/symbols"
+
+        # .NET crash dump environment variables (ephemeral)
+        $env:COMPlus_DbgEnableMiniDump = "1"
+        $env:COMPlus_DbgMiniDumpType = "4"
+        $env:COMPlus_CreateDumpDiagnostics = "1"
+
+        cargo nextest run --workspace --no-fail-fast
+
+    - name: Analyze crash dumps
+      if: always()
+      shell: powershell
+      run: |
+        Write-Host "Checking for crash dumps..."
+
+        # Get the CI run start time from the environment
+        $runStartTime = [DateTime]::new([long]$env:CI_RUN_START_TIME)
+        Write-Host "Only analyzing dumps created after: $($runStartTime.ToString('yyyy-MM-dd HH:mm:ss'))"
+
+        # Check all possible crash dump locations
+        $searchPaths = @(
+            "$env:GITHUB_WORKSPACE\crash_dumps",
+            "$env:LOCALAPPDATA\CrashDumps",
+            "$env:TEMP",
+            "$env:GITHUB_WORKSPACE",
+            "$env:USERPROFILE\AppData\Local\CrashDumps",
+            "C:\Windows\System32\config\systemprofile\AppData\Local\CrashDumps"
+        )
+
+        $dumps = @()
+        foreach ($path in $searchPaths) {
+            if (Test-Path $path) {
+                Write-Host "Searching in: $path"
+                $found = Get-ChildItem "$path\*.dmp" -ErrorAction SilentlyContinue | Where-Object {
+                    $_.CreationTime -gt $runStartTime
+                }
+                if ($found) {
+                    $dumps += $found
+                    Write-Host "  Found $($found.Count) dump(s) from this CI run"
+                }
+            }
+        }
+
+        if ($dumps) {
+          Write-Host "Found $($dumps.Count) crash dump(s)"
+
+          # Install debugging tools if not present
+          $cdbPath = "C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\cdb.exe"
+          if (-not (Test-Path $cdbPath)) {
+            Write-Host "Installing Windows Debugging Tools..."
+            $url = "https://go.microsoft.com/fwlink/?linkid=2237387"
+            Invoke-WebRequest -Uri $url -OutFile winsdksetup.exe
+            Start-Process -Wait winsdksetup.exe -ArgumentList "/features OptionId.WindowsDesktopDebuggers /quiet"
+          }
+
+          foreach ($dump in $dumps) {
+            Write-Host "`n=================================="
+            Write-Host "Analyzing crash dump: $($dump.Name)"
+            Write-Host "Size: $([math]::Round($dump.Length / 1MB, 2)) MB"
+            Write-Host "Time: $($dump.CreationTime)"
+            Write-Host "=================================="
+
+            # Set symbol path
+            $env:_NT_SYMBOL_PATH = "srv*C:\symbols*https://msdl.microsoft.com/download/symbols"
+
+            # Run analysis
+            $analysisOutput = & $cdbPath -z $dump.FullName -c "!analyze -v; ~*k; lm; q" 2>&1 | Out-String
+
+            # Extract key information
+            if ($analysisOutput -match "ExceptionCode:\s*([\w]+)") {
+              Write-Host "Exception Code: $($Matches[1])"
+              if ($Matches[1] -eq "c0000005") {
+                Write-Host "Exception Type: ACCESS VIOLATION"
+              }
+            }
+
+            if ($analysisOutput -match "EXCEPTION_RECORD:\s*(.+)") {
+              Write-Host "Exception Record: $($Matches[1])"
+            }
+
+            if ($analysisOutput -match "FAULTING_IP:\s*\n(.+)") {
+              Write-Host "Faulting Instruction: $($Matches[1])"
+            }
+
+            # Save full analysis
+            $analysisFile = "$($dump.FullName).analysis.txt"
+            $analysisOutput | Out-File -FilePath $analysisFile
+            Write-Host "`nFull analysis saved to: $analysisFile"
+
+            # Print stack trace section
+            Write-Host "`n--- Stack Trace Preview ---"
+            $stackSection = $analysisOutput -split "STACK_TEXT:" | Select-Object -Last 1
+            $stackLines = $stackSection -split "`n" | Select-Object -First 20
+            $stackLines | ForEach-Object { Write-Host $_ }
+            Write-Host "--- End Stack Trace Preview ---"
+          }
+
+          Write-Host "`n⚠️  Crash dumps detected! Download the 'crash-dumps' artifact for detailed analysis."
+
+          # Copy dumps to workspace for artifact upload
+          $artifactPath = "$env:GITHUB_WORKSPACE\crash_dumps_collected"
+          New-Item -ItemType Directory -Force -Path $artifactPath | Out-Null
+
+          foreach ($dump in $dumps) {
+            $destName = "$($dump.Directory.Name)_$($dump.Name)"
+            Copy-Item $dump.FullName -Destination "$artifactPath\$destName"
+            if (Test-Path "$($dump.FullName).analysis.txt") {
+              Copy-Item "$($dump.FullName).analysis.txt" -Destination "$artifactPath\$destName.analysis.txt"
+            }
+          }
+
+          Write-Host "Copied $($dumps.Count) dump(s) to artifact directory"
+        } else {
+          Write-Host "No crash dumps from this CI run found"
+        }
+
+    - name: Upload crash dumps
+      if: always()
+      uses: actions/upload-artifact@v4
+      with:
+        name: crash-dumps-${{ github.run_id }}-${{ github.run_attempt }}
+        path: |
+          crash_dumps_collected/*.dmp
+          crash_dumps_collected/*.txt
+        if-no-files-found: ignore
+        retention-days: 7
+
+    - name: Check test results
+      shell: powershell
+      working-directory: ${{ inputs.working-directory }}
+      run: |
+        # Re-check test results to fail the job if tests failed
+        if ($LASTEXITCODE -ne 0) {
+          Write-Host "Tests failed with exit code: $LASTEXITCODE"
+          exit $LASTEXITCODE
+        }
diff --git a/.github/workflows/bump_collab_staging.yml b/.github/workflows/bump_collab_staging.yml
index d8eaa6019e..d400905b4d 100644
--- a/.github/workflows/bump_collab_staging.yml
+++ b/.github/workflows/bump_collab_staging.yml
@@ -8,7 +8,7 @@ on:
 jobs:
   update-collab-staging-tag:
     if: github.repository_owner == 'zed-industries'
-    runs-on: ubuntu-latest
+    runs-on: namespace-profile-2x4-ubuntu-2404
     steps:
       - name: Checkout repository
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
diff --git a/.github/workflows/bump_patch_version.yml b/.github/workflows/bump_patch_version.yml
index 8a48ff96f1..bfaf7a271b 100644
--- a/.github/workflows/bump_patch_version.yml
+++ b/.github/workflows/bump_patch_version.yml
@@ -16,7 +16,7 @@ jobs:
   bump_patch_version:
     if: github.repository_owner == 'zed-industries'
     runs-on:
-      - buildjet-16vcpu-ubuntu-2204
+      - namespace-profile-16x32-ubuntu-2204
     steps:
       - name: Checkout code
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7dfc33e0d2..a34833d0fd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,7 @@ env:
   DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
   DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
   ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
+  ZED_MINIDUMP_ENDPOINT: ${{ secrets.ZED_SENTRY_MINIDUMP_ENDPOINT }}
 
 jobs:
   job_spec:
@@ -36,7 +37,7 @@ jobs:
       run_nix: ${{ steps.filter.outputs.run_nix }}
       run_actionlint: ${{ steps.filter.outputs.run_actionlint }}
     runs-on:
-      - ubuntu-latest
+      - namespace-profile-2x4-ubuntu-2404
     steps:
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -136,7 +137,7 @@ jobs:
       github.repository_owner == 'zed-industries' &&
       needs.job_spec.outputs.run_tests == 'true'
     runs-on:
-      - buildjet-8vcpu-ubuntu-2204
+      - namespace-profile-8x16-ubuntu-2204
     steps:
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -167,7 +168,7 @@ jobs:
     needs: [job_spec]
     if: github.repository_owner == 'zed-industries'
     runs-on:
-      - buildjet-8vcpu-ubuntu-2204
+      - namespace-profile-4x8-ubuntu-2204
     steps:
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -220,7 +221,7 @@ jobs:
       github.repository_owner == 'zed-industries' &&
       (needs.job_spec.outputs.run_tests == 'true' || needs.job_spec.outputs.run_docs == 'true')
     runs-on:
-      - buildjet-8vcpu-ubuntu-2204
+      - namespace-profile-8x16-ubuntu-2204
     steps:
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -236,7 +237,7 @@ jobs:
         uses: ./.github/actions/build_docs
 
   actionlint:
-    runs-on: ubuntu-latest
+    runs-on: namespace-profile-2x4-ubuntu-2404
     if: github.repository_owner == 'zed-industries' && needs.job_spec.outputs.run_actionlint == 'true'
     needs: [job_spec]
     steps:
@@ -327,7 +328,7 @@ jobs:
       github.repository_owner == 'zed-industries' &&
       needs.job_spec.outputs.run_tests == 'true'
     runs-on:
-      - buildjet-16vcpu-ubuntu-2204
+      - namespace-profile-16x32-ubuntu-2204
     steps:
       - name: Add Rust to the PATH
         run: echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
@@ -341,7 +342,7 @@ jobs:
         uses: swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
-          cache-provider: "buildjet"
+          # cache-provider: "buildjet"
 
       - name: Install Linux dependencies
         run: ./script/linux
@@ -379,7 +380,7 @@ jobs:
       github.repository_owner == 'zed-industries' &&
       needs.job_spec.outputs.run_tests == 'true'
     runs-on:
-      - buildjet-8vcpu-ubuntu-2204
+      - namespace-profile-16x32-ubuntu-2204
     steps:
       - name: Add Rust to the PATH
         run: echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
@@ -393,7 +394,7 @@ jobs:
         uses: swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
-          cache-provider: "buildjet"
+          # cache-provider: "buildjet"
 
       - name: Install Clang & Mold
         run: ./script/remote-server && ./script/install-mold 2.34.0
@@ -417,7 +418,7 @@ jobs:
     if: |
       github.repository_owner == 'zed-industries' &&
       needs.job_spec.outputs.run_tests == 'true'
-    runs-on: [self-hosted, Windows, X64]
+    runs-on: [self-32vcpu-windows-2022]
     steps:
       - name: Environment Setup
         run: |
@@ -457,7 +458,7 @@ jobs:
 
   tests_pass:
     name: Tests Pass
-    runs-on: ubuntu-latest
+    runs-on: namespace-profile-2x4-ubuntu-2404
     needs:
       - job_spec
       - style
@@ -510,8 +511,8 @@ jobs:
     runs-on:
       - self-mini-macos
     if: |
-      startsWith(github.ref, 'refs/tags/v')
-      || contains(github.event.pull_request.labels.*.name, 'run-bundling')
+      ( startsWith(github.ref, 'refs/tags/v')
+      || contains(github.event.pull_request.labels.*.name, 'run-bundling') )
     needs: [macos_tests]
     env:
       MACOS_CERTIFICATE: ${{ secrets.MACOS_CERTIFICATE }}
@@ -525,6 +526,11 @@ jobs:
         with:
           node-version: "18"
 
+      - name: Setup Sentry CLI
+        uses: matbour/setup-sentry-cli@3e938c54b3018bdd019973689ef984e033b0454b #v2
+        with:
+          token: ${{ SECRETS.SENTRY_AUTH_TOKEN }}
+
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
@@ -596,10 +602,10 @@ jobs:
     timeout-minutes: 60
     name: Linux x86_x64 release bundle
     runs-on:
-      - buildjet-16vcpu-ubuntu-2004 # ubuntu 20.04 for minimal glibc
+      - namespace-profile-16x32-ubuntu-2004 # ubuntu 20.04 for minimal glibc
     if: |
-      startsWith(github.ref, 'refs/tags/v')
-      || contains(github.event.pull_request.labels.*.name, 'run-bundling')
+      ( startsWith(github.ref, 'refs/tags/v')
+      || contains(github.event.pull_request.labels.*.name, 'run-bundling') )
     needs: [linux_tests]
     steps:
       - name: Checkout repo
@@ -610,6 +616,11 @@ jobs:
       - name: Install Linux dependencies
         run: ./script/linux && ./script/install-mold 2.34.0
 
+      - name: Setup Sentry CLI
+        uses: matbour/setup-sentry-cli@3e938c54b3018bdd019973689ef984e033b0454b #v2
+        with:
+          token: ${{ SECRETS.SENTRY_AUTH_TOKEN }}
+
       - name: Determine version and release channel
         if: startsWith(github.ref, 'refs/tags/v')
         run: |
@@ -649,7 +660,7 @@ jobs:
     timeout-minutes: 60
     name: Linux arm64 release bundle
     runs-on:
-      - buildjet-16vcpu-ubuntu-2204-arm
+      - namespace-profile-8x32-ubuntu-2004-arm-m4 # ubuntu 20.04 for minimal glibc
     if: |
       startsWith(github.ref, 'refs/tags/v')
       || contains(github.event.pull_request.labels.*.name, 'run-bundling')
@@ -663,6 +674,11 @@ jobs:
       - name: Install Linux dependencies
         run: ./script/linux
 
+      - name: Setup Sentry CLI
+        uses: matbour/setup-sentry-cli@3e938c54b3018bdd019973689ef984e033b0454b #v2
+        with:
+          token: ${{ SECRETS.SENTRY_AUTH_TOKEN }}
+
       - name: Determine version and release channel
         if: startsWith(github.ref, 'refs/tags/v')
         run: |
@@ -702,10 +718,8 @@ jobs:
     timeout-minutes: 60
     runs-on: github-8vcpu-ubuntu-2404
     if: |
-      false && (
-      startsWith(github.ref, 'refs/tags/v')
-      || contains(github.event.pull_request.labels.*.name, 'run-bundling')
-      )
+      false && ( startsWith(github.ref, 'refs/tags/v')
+      || contains(github.event.pull_request.labels.*.name, 'run-bundling') )
     needs: [linux_tests]
     name: Build Zed on FreeBSD
     steps:
@@ -770,7 +784,7 @@ jobs:
   bundle-windows-x64:
     timeout-minutes: 120
     name: Create a Windows installer
-    runs-on: [self-hosted, Windows, X64]
+    runs-on: [self-32vcpu-windows-2022]
     if: contains(github.event.pull_request.labels.*.name, 'run-bundling')
     # if: (startsWith(github.ref, 'refs/tags/v') || contains(github.event.pull_request.labels.*.name, 'run-bundling'))
     needs: [windows_tests]
@@ -790,6 +804,11 @@ jobs:
         with:
           clean: false
 
+      - name: Setup Sentry CLI
+        uses: matbour/setup-sentry-cli@3e938c54b3018bdd019973689ef984e033b0454b #v2
+        with:
+          token: ${{ SECRETS.SENTRY_AUTH_TOKEN }}
+
       - name: Determine version and release channel
         working-directory: ${{ env.ZED_WORKSPACE }}
         if: ${{ startsWith(github.ref, 'refs/tags/v') }}
@@ -832,3 +851,12 @@ jobs:
         run: gh release edit "$GITHUB_REF_NAME" --draft=false
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create Sentry release
+        uses: getsentry/action-release@526942b68292201ac6bbb99b9a0747d4abee354c # v3
+        env:
+          SENTRY_ORG: zed-dev
+          SENTRY_PROJECT: zed
+          SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}
+        with:
+          environment: production
diff --git a/.github/workflows/danger.yml b/.github/workflows/danger.yml
index 15c82643ae..3f84179278 100644
--- a/.github/workflows/danger.yml
+++ b/.github/workflows/danger.yml
@@ -12,7 +12,7 @@ on:
 jobs:
   danger:
     if: github.repository_owner == 'zed-industries'
-    runs-on: ubuntu-latest
+    runs-on: namespace-profile-2x4-ubuntu-2404
 
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
diff --git a/.github/workflows/deploy_cloudflare.yml b/.github/workflows/deploy_cloudflare.yml
index fe443d493e..df35d44ca9 100644
--- a/.github/workflows/deploy_cloudflare.yml
+++ b/.github/workflows/deploy_cloudflare.yml
@@ -9,7 +9,7 @@ jobs:
   deploy-docs:
     name: Deploy Docs
     if: github.repository_owner == 'zed-industries'
-    runs-on: buildjet-16vcpu-ubuntu-2204
+    runs-on: namespace-profile-16x32-ubuntu-2204
 
     steps:
       - name: Checkout repo
diff --git a/.github/workflows/deploy_collab.yml b/.github/workflows/deploy_collab.yml
index f7348a1069..ff2a3589e4 100644
--- a/.github/workflows/deploy_collab.yml
+++ b/.github/workflows/deploy_collab.yml
@@ -61,7 +61,7 @@ jobs:
       - style
       - tests
     runs-on:
-      - buildjet-16vcpu-ubuntu-2204
+      - namespace-profile-16x32-ubuntu-2204
     steps:
       - name: Install doctl
         uses: digitalocean/action-doctl@v2
@@ -94,7 +94,7 @@ jobs:
     needs:
       - publish
     runs-on:
-      - buildjet-16vcpu-ubuntu-2204
+      - namespace-profile-16x32-ubuntu-2204
 
     steps:
       - name: Checkout repo
@@ -137,12 +137,14 @@ jobs:
 
           export ZED_SERVICE_NAME=collab
           export ZED_LOAD_BALANCER_SIZE_UNIT=$ZED_COLLAB_LOAD_BALANCER_SIZE_UNIT
+          export DATABASE_MAX_CONNECTIONS=850
           envsubst < crates/collab/k8s/collab.template.yml | kubectl apply -f -
           kubectl -n "$ZED_KUBE_NAMESPACE" rollout status deployment/$ZED_SERVICE_NAME --watch
           echo "deployed ${ZED_SERVICE_NAME} to ${ZED_KUBE_NAMESPACE}"
 
           export ZED_SERVICE_NAME=api
           export ZED_LOAD_BALANCER_SIZE_UNIT=$ZED_API_LOAD_BALANCER_SIZE_UNIT
+          export DATABASE_MAX_CONNECTIONS=60
           envsubst < crates/collab/k8s/collab.template.yml | kubectl apply -f -
           kubectl -n "$ZED_KUBE_NAMESPACE" rollout status deployment/$ZED_SERVICE_NAME --watch
           echo "deployed ${ZED_SERVICE_NAME} to ${ZED_KUBE_NAMESPACE}"
diff --git a/.github/workflows/eval.yml b/.github/workflows/eval.yml
index 2ad302a602..b5da9e7b7c 100644
--- a/.github/workflows/eval.yml
+++ b/.github/workflows/eval.yml
@@ -32,7 +32,7 @@ jobs:
       github.repository_owner == 'zed-industries' &&
       (github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'run-eval'))
     runs-on:
-      - buildjet-16vcpu-ubuntu-2204
+      - namespace-profile-16x32-ubuntu-2204
     steps:
       - name: Add Rust to the PATH
         run: echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
@@ -46,7 +46,7 @@ jobs:
         uses: swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
-          cache-provider: "buildjet"
+          # cache-provider: "buildjet"
 
       - name: Install Linux dependencies
         run: ./script/linux
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index beacd27774..e682ce5890 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -20,7 +20,7 @@ jobs:
       matrix:
         system:
           - os: x86 Linux
-            runner: buildjet-16vcpu-ubuntu-2204
+            runner: namespace-profile-16x32-ubuntu-2204
             install_nix: true
           - os: arm Mac
             runner: [macOS, ARM64, test]
@@ -29,6 +29,7 @@ jobs:
     runs-on: ${{ matrix.system.runner }}
     env:
       ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
+      ZED_MINIDUMP_ENDPOINT: ${{ secrets.ZED_SENTRY_MINIDUMP_ENDPOINT }}
       ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON: ${{ secrets.ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON }}
       GIT_LFS_SKIP_SMUDGE: 1 # breaks the livekit rust sdk examples which we don't actually depend on
     steps:
diff --git a/.github/workflows/randomized_tests.yml b/.github/workflows/randomized_tests.yml
index db4d44318e..de96c3df78 100644
--- a/.github/workflows/randomized_tests.yml
+++ b/.github/workflows/randomized_tests.yml
@@ -20,7 +20,7 @@ jobs:
     name: Run randomized tests
     if: github.repository_owner == 'zed-industries'
     runs-on:
-      - buildjet-16vcpu-ubuntu-2204
+      - namespace-profile-16x32-ubuntu-2204
     steps:
       - name: Install Node
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
diff --git a/.github/workflows/release_nightly.yml b/.github/workflows/release_nightly.yml
index 4f7506967b..2026ee7b73 100644
--- a/.github/workflows/release_nightly.yml
+++ b/.github/workflows/release_nightly.yml
@@ -13,6 +13,7 @@ env:
   CARGO_INCREMENTAL: 0
   RUST_BACKTRACE: 1
   ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
+  ZED_MINIDUMP_ENDPOINT: ${{ secrets.ZED_SENTRY_MINIDUMP_ENDPOINT }}
   DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
   DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
 
@@ -58,7 +59,7 @@ jobs:
     timeout-minutes: 60
     name: Run tests on Windows
     if: github.repository_owner == 'zed-industries'
-    runs-on: [self-hosted, Windows, X64]
+    runs-on: [self-32vcpu-windows-2022]
     steps:
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -127,7 +128,7 @@ jobs:
     name: Create a Linux *.tar.gz bundle for x86
     if: github.repository_owner == 'zed-industries'
     runs-on:
-      - buildjet-16vcpu-ubuntu-2004
+      - namespace-profile-16x32-ubuntu-2004 # ubuntu 20.04 for minimal glibc
     needs: tests
     steps:
       - name: Checkout repo
@@ -167,7 +168,7 @@ jobs:
     name: Create a Linux *.tar.gz bundle for ARM
     if: github.repository_owner == 'zed-industries'
     runs-on:
-      - buildjet-16vcpu-ubuntu-2204-arm
+      - namespace-profile-8x32-ubuntu-2004-arm-m4 # ubuntu 20.04 for minimal glibc
     needs: tests
     steps:
       - name: Checkout repo
@@ -205,9 +206,6 @@ jobs:
     runs-on: github-8vcpu-ubuntu-2404
     needs: tests
     name: Build Zed on FreeBSD
-    # env:
-    #   MYTOKEN : ${{ secrets.MYTOKEN }}
-    #   MYTOKEN2: "value2"
     steps:
       - uses: actions/checkout@v4
       - name: Build FreeBSD remote-server
@@ -242,7 +240,6 @@ jobs:
 
   bundle-nix:
     name: Build and cache Nix package
-    if: false
     needs: tests
     secrets: inherit
     uses: ./.github/workflows/nix.yml
@@ -251,7 +248,7 @@ jobs:
     timeout-minutes: 60
     name: Create a Windows installer
     if: github.repository_owner == 'zed-industries'
-    runs-on: [self-hosted, Windows, X64]
+    runs-on: [self-32vcpu-windows-2022]
     needs: windows-tests
     env:
       AZURE_TENANT_ID: ${{ secrets.AZURE_SIGNING_TENANT_ID }}
@@ -293,7 +290,7 @@ jobs:
   update-nightly-tag:
     name: Update nightly tag
     if: github.repository_owner == 'zed-industries'
-    runs-on: ubuntu-latest
+    runs-on: namespace-profile-2x4-ubuntu-2404
     needs:
       - bundle-mac
       - bundle-linux-x86
@@ -315,3 +312,12 @@ jobs:
           git config user.email github-actions@github.com
           git tag -f nightly
           git push origin nightly --force
+
+      - name: Create Sentry release
+        uses: getsentry/action-release@526942b68292201ac6bbb99b9a0747d4abee354c # v3
+        env:
+          SENTRY_ORG: zed-dev
+          SENTRY_PROJECT: zed
+          SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}
+        with:
+          environment: production
diff --git a/.github/workflows/script_checks.yml b/.github/workflows/script_checks.yml
index c32a433e46..5dbfc9cb7f 100644
--- a/.github/workflows/script_checks.yml
+++ b/.github/workflows/script_checks.yml
@@ -12,7 +12,7 @@ jobs:
   shellcheck:
     name: "ShellCheck Scripts"
     if: github.repository_owner == 'zed-industries'
-    runs-on: ubuntu-latest
+    runs-on: namespace-profile-2x4-ubuntu-2404
 
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
diff --git a/.github/workflows/unit_evals.yml b/.github/workflows/unit_evals.yml
index cb4e39d151..c03cf8b087 100644
--- a/.github/workflows/unit_evals.yml
+++ b/.github/workflows/unit_evals.yml
@@ -3,7 +3,7 @@ name: Run Unit Evals
 on:
   schedule:
     # GitHub might drop jobs at busy times, so we choose a random time in the middle of the night.
-    - cron: "47 1 * * *"
+    - cron: "47 1 * * 2"
   workflow_dispatch:
 
 concurrency:
@@ -23,7 +23,7 @@ jobs:
     timeout-minutes: 60
     name: Run unit evals
     runs-on:
-      - buildjet-16vcpu-ubuntu-2204
+      - namespace-profile-16x32-ubuntu-2204
     steps:
       - name: Add Rust to the PATH
         run: echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
@@ -37,7 +37,7 @@ jobs:
         uses: swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
-          cache-provider: "buildjet"
+          # cache-provider: "buildjet"
 
       - name: Install Linux dependencies
         run: ./script/linux
diff --git a/Cargo.lock b/Cargo.lock
index 1c61972093..42649b137f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6,31 +6,85 @@ version = 4
 name = "acp_thread"
 version = "0.1.0"
 dependencies = [
+ "action_log",
  "agent-client-protocol",
- "agentic-coding-protocol",
  "anyhow",
- "assistant_tool",
- "async-pipe",
  "buffer_diff",
+ "collections",
  "editor",
  "env_logger 0.11.8",
+ "file_icons",
  "futures 0.3.31",
  "gpui",
  "indoc",
  "itertools 0.14.0",
  "language",
+ "language_model",
+ "markdown",
+ "parking_lot",
+ "project",
+ "prompt_store",
+ "rand 0.8.5",
+ "serde",
+ "serde_json",
+ "settings",
+ "smol",
+ "tempfile",
+ "terminal",
+ "ui",
+ "url",
+ "util",
+ "uuid",
+ "watch",
+ "workspace-hack",
+]
+
+[[package]]
+name = "acp_tools"
+version = "0.1.0"
+dependencies = [
+ "agent-client-protocol",
+ "collections",
+ "gpui",
+ "language",
  "markdown",
  "project",
  "serde",
  "serde_json",
  "settings",
- "smol",
- "tempfile",
+ "theme",
  "ui",
  "util",
+ "workspace",
  "workspace-hack",
 ]
 
+[[package]]
+name = "action_log"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "buffer_diff",
+ "clock",
+ "collections",
+ "ctor",
+ "futures 0.3.31",
+ "gpui",
+ "indoc",
+ "language",
+ "log",
+ "pretty_assertions",
+ "project",
+ "rand 0.8.5",
+ "serde_json",
+ "settings",
+ "text",
+ "util",
+ "watch",
+ "workspace-hack",
+ "zlog",
+]
+
 [[package]]
 name = "activity_indicator"
 version = "0.1.0"
@@ -83,6 +137,7 @@ dependencies = [
 name = "agent"
 version = "0.1.0"
 dependencies = [
+ "action_log",
  "agent_settings",
  "anyhow",
  "assistant_context",
@@ -95,7 +150,6 @@ dependencies = [
  "component",
  "context_server",
  "convert_case 0.8.0",
- "feature_flags",
  "fs",
  "futures 0.3.31",
  "git",
@@ -114,7 +168,6 @@ dependencies = [
  "pretty_assertions",
  "project",
  "prompt_store",
- "proto",
  "rand 0.8.5",
  "ref-cast",
  "rope",
@@ -138,44 +191,134 @@ dependencies = [
 
 [[package]]
 name = "agent-client-protocol"
-version = "0.0.11"
+version = "0.0.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72ec54650c1fc2d63498bab47eeeaa9eddc7d239d53f615b797a0e84f7ccc87b"
+checksum = "289eb34ee17213dadcca47eedadd386a5e7678094095414e475965d1bcca2860"
 dependencies = [
+ "anyhow",
+ "async-broadcast",
+ "futures 0.3.31",
+ "log",
+ "parking_lot",
  "schemars",
  "serde",
  "serde_json",
 ]
 
+[[package]]
+name = "agent2"
+version = "0.1.0"
+dependencies = [
+ "acp_thread",
+ "action_log",
+ "agent",
+ "agent-client-protocol",
+ "agent_servers",
+ "agent_settings",
+ "anyhow",
+ "assistant_context",
+ "assistant_tool",
+ "assistant_tools",
+ "chrono",
+ "client",
+ "clock",
+ "cloud_llm_client",
+ "collections",
+ "context_server",
+ "ctor",
+ "db",
+ "editor",
+ "env_logger 0.11.8",
+ "fs",
+ "futures 0.3.31",
+ "git",
+ "gpui",
+ "gpui_tokio",
+ "handlebars 4.5.0",
+ "html_to_markdown",
+ "http_client",
+ "indoc",
+ "itertools 0.14.0",
+ "language",
+ "language_model",
+ "language_models",
+ "log",
+ "lsp",
+ "open",
+ "parking_lot",
+ "paths",
+ "portable-pty",
+ "pretty_assertions",
+ "project",
+ "prompt_store",
+ "reqwest_client",
+ "rust-embed",
+ "schemars",
+ "serde",
+ "serde_json",
+ "settings",
+ "smol",
+ "sqlez",
+ "task",
+ "telemetry",
+ "tempfile",
+ "terminal",
+ "text",
+ "theme",
+ "thiserror 2.0.12",
+ "tree-sitter-rust",
+ "ui",
+ "unindent",
+ "util",
+ "uuid",
+ "watch",
+ "web_search",
+ "which 6.0.3",
+ "workspace-hack",
+ "worktree",
+ "zlog",
+ "zstd",
+]
+
 [[package]]
 name = "agent_servers"
 version = "0.1.0"
 dependencies = [
  "acp_thread",
+ "acp_tools",
+ "action_log",
  "agent-client-protocol",
- "agentic-coding-protocol",
+ "agent_settings",
  "anyhow",
+ "client",
  "collections",
  "context_server",
  "env_logger 0.11.8",
+ "fs",
  "futures 0.3.31",
  "gpui",
+ "gpui_tokio",
  "indoc",
  "itertools 0.14.0",
  "language",
+ "language_model",
+ "language_models",
  "libc",
  "log",
  "nix 0.29.0",
  "paths",
  "project",
  "rand 0.8.5",
+ "reqwest_client",
  "schemars",
+ "semver",
  "serde",
  "serde_json",
  "settings",
  "smol",
  "strum 0.27.1",
  "tempfile",
+ "thiserror 2.0.12",
  "ui",
  "util",
  "uuid",
@@ -208,8 +351,10 @@ name = "agent_ui"
 version = "0.1.0"
 dependencies = [
  "acp_thread",
+ "action_log",
  "agent",
  "agent-client-protocol",
+ "agent2",
  "agent_servers",
  "agent_settings",
  "ai_onboarding",
@@ -240,7 +385,6 @@ dependencies = [
  "gpui",
  "html_to_markdown",
  "http_client",
- "indexed_docs",
  "indoc",
  "inventory",
  "itertools 0.14.0",
@@ -259,6 +403,7 @@ dependencies = [
  "parking_lot",
  "paths",
  "picker",
+ "postage",
  "pretty_assertions",
  "project",
  "prompt_store",
@@ -288,6 +433,7 @@ dependencies = [
  "ui",
  "ui_input",
  "unindent",
+ "url",
  "urlencoding",
  "util",
  "uuid",
@@ -297,24 +443,6 @@ dependencies = [
  "zed_actions",
 ]
 
-[[package]]
-name = "agentic-coding-protocol"
-version = "0.0.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3e6ae951b36fa2f8d9dd6e1af6da2fcaba13d7c866cf6a9e65deda9dc6c5fe4"
-dependencies = [
- "anyhow",
- "chrono",
- "derive_more 2.0.1",
- "futures 0.3.31",
- "log",
- "parking_lot",
- "schemars",
- "semver",
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "ahash"
 version = "0.7.8"
@@ -355,10 +483,10 @@ name = "ai_onboarding"
 version = "0.1.0"
 dependencies = [
  "client",
+ "cloud_llm_client",
  "component",
  "gpui",
  "language_model",
- "proto",
  "serde",
  "smallvec",
  "telemetry",
@@ -730,7 +858,7 @@ dependencies = [
  "anyhow",
  "async-trait",
  "collections",
- "derive_more 0.99.19",
+ "derive_more",
  "extension",
  "futures 0.3.31",
  "gpui",
@@ -764,7 +892,6 @@ dependencies = [
  "gpui",
  "html_to_markdown",
  "http_client",
- "indexed_docs",
  "language",
  "pretty_assertions",
  "project",
@@ -788,13 +915,13 @@ dependencies = [
 name = "assistant_tool"
 version = "0.1.0"
 dependencies = [
+ "action_log",
  "anyhow",
  "buffer_diff",
  "clock",
  "collections",
  "ctor",
- "derive_more 0.99.19",
- "futures 0.3.31",
+ "derive_more",
  "gpui",
  "icons",
  "indoc",
@@ -811,7 +938,6 @@ dependencies = [
  "settings",
  "text",
  "util",
- "watch",
  "workspace",
  "workspace-hack",
  "zlog",
@@ -821,6 +947,7 @@ dependencies = [
 name = "assistant_tools"
 version = "0.1.0"
 dependencies = [
+ "action_log",
  "agent_settings",
  "anyhow",
  "assistant_tool",
@@ -831,7 +958,7 @@ dependencies = [
  "cloud_llm_client",
  "collections",
  "component",
- "derive_more 0.99.19",
+ "derive_more",
  "diffy",
  "editor",
  "feature_flags",
@@ -1075,17 +1202,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "async-recursion"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7d78656ba01f1b93024b7c3a0467f1608e4be67d725749fdcd7d2c7678fd7a2"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "async-recursion"
 version = "1.1.1"
@@ -1165,26 +1281,6 @@ dependencies = [
  "syn 2.0.101",
 ]
 
-[[package]]
-name = "async-stripe"
-version = "0.40.0"
-source = "git+https://github.com/zed-industries/async-stripe?rev=3672dd4efb7181aa597bf580bf5a2f5d23db6735#3672dd4efb7181aa597bf580bf5a2f5d23db6735"
-dependencies = [
- "chrono",
- "futures-util",
- "http-types",
- "hyper 0.14.32",
- "hyper-rustls 0.24.2",
- "serde",
- "serde_json",
- "serde_path_to_error",
- "serde_qs 0.10.1",
- "smart-default",
- "smol_str 0.1.24",
- "thiserror 1.0.69",
- "tokio",
-]
-
 [[package]]
 name = "async-tar"
 version = "0.5.0"
@@ -1207,9 +1303,9 @@ checksum = "8b75356056920673b02621b35afd0f7dda9306d03c79a30f5c56c44cf256e3de"
 
 [[package]]
 name = "async-trait"
-version = "0.1.88"
+version = "0.1.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e539d3fca749fcee5236ab05e93a52867dd549cc157c8cb7f99595f3cedffdb5"
+checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1288,10 +1384,11 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "collections",
- "derive_more 0.99.19",
  "gpui",
- "parking_lot",
  "rodio",
+ "schemars",
+ "serde",
+ "settings",
  "util",
  "workspace-hack",
 ]
@@ -1378,7 +1475,7 @@ dependencies = [
  "anyhow",
  "arrayvec",
  "log",
- "nom",
+ "nom 7.1.3",
  "num-rational",
  "v_frame",
 ]
@@ -1986,12 +2083,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
 
-[[package]]
-name = "base64"
-version = "0.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
-
 [[package]]
 name = "base64"
 version = "0.21.7"
@@ -2752,7 +2843,7 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
 dependencies = [
- "nom",
+ "nom 7.1.3",
 ]
 
 [[package]]
@@ -2971,7 +3062,6 @@ name = "client"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "async-recursion 0.3.2",
  "async-tungstenite",
  "base64 0.22.1",
  "chrono",
@@ -2981,7 +3071,7 @@ dependencies = [
  "cocoa 0.26.0",
  "collections",
  "credentials_provider",
- "derive_more 0.99.19",
+ "derive_more",
  "feature_flags",
  "fs",
  "futures 0.3.31",
@@ -3002,6 +3092,7 @@ dependencies = [
  "schemars",
  "serde",
  "serde_json",
+ "serde_urlencoded",
  "settings",
  "sha2",
  "smol",
@@ -3039,17 +3130,22 @@ dependencies = [
  "anyhow",
  "cloud_api_types",
  "futures 0.3.31",
+ "gpui",
+ "gpui_tokio",
  "http_client",
  "parking_lot",
  "serde_json",
  "workspace-hack",
+ "yawc",
 ]
 
 [[package]]
 name = "cloud_api_types"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "chrono",
+ "ciborium",
  "cloud_llm_client",
  "pretty_assertions",
  "serde",
@@ -3180,7 +3276,6 @@ dependencies = [
  "anyhow",
  "assistant_context",
  "assistant_slash_command",
- "async-stripe",
  "async-trait",
  "async-tungstenite",
  "audio",
@@ -3196,7 +3291,6 @@ dependencies = [
  "chrono",
  "client",
  "clock",
- "cloud_llm_client",
  "collab_ui",
  "collections",
  "command_palette_hooks",
@@ -3207,7 +3301,6 @@ dependencies = [
  "dap_adapters",
  "dashmap 6.1.0",
  "debugger_ui",
- "derive_more 0.99.19",
  "editor",
  "envy",
  "extension",
@@ -3223,7 +3316,6 @@ dependencies = [
  "http_client",
  "hyper 0.14.32",
  "indoc",
- "jsonwebtoken",
  "language",
  "language_model",
  "livekit_api",
@@ -3269,7 +3361,6 @@ dependencies = [
  "telemetry_events",
  "text",
  "theme",
- "thiserror 2.0.12",
  "time",
  "tokio",
  "toml 0.8.20",
@@ -3412,7 +3503,7 @@ name = "command_palette_hooks"
 version = "0.1.0"
 dependencies = [
  "collections",
- "derive_more 0.99.19",
+ "derive_more",
  "gpui",
  "workspace-hack",
 ]
@@ -3550,13 +3641,13 @@ dependencies = [
  "command_palette_hooks",
  "ctor",
  "dirs 4.0.0",
+ "edit_prediction",
  "editor",
  "fs",
  "futures 0.3.31",
  "gpui",
  "http_client",
  "indoc",
- "inline_completion",
  "itertools 0.14.0",
  "language",
  "log",
@@ -3570,6 +3661,7 @@ dependencies = [
  "serde",
  "serde_json",
  "settings",
+ "sum_tree",
  "task",
  "theme",
  "ui",
@@ -3770,7 +3862,7 @@ dependencies = [
  "rustc-hash 1.1.0",
  "rustybuzz 0.14.1",
  "self_cell",
- "smol_str 0.2.2",
+ "smol_str",
  "swash",
  "sys-locale",
  "ttf-parser 0.21.1",
@@ -3792,7 +3884,7 @@ dependencies = [
  "jni",
  "js-sys",
  "libc",
- "mach2",
+ "mach2 0.4.2",
  "ndk",
  "ndk-context",
  "num-derive",
@@ -3934,6 +4026,48 @@ dependencies = [
  "target-lexicon 0.13.2",
 ]
 
+[[package]]
+name = "crash-context"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "031ed29858d90cfdf27fe49fae28028a1f20466db97962fa2f4ea34809aeebf3"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "mach2 0.4.2",
+]
+
+[[package]]
+name = "crash-handler"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2066907075af649bcb8bcb1b9b986329b243677e6918b2d920aa64b0aac5ace3"
+dependencies = [
+ "cfg-if",
+ "crash-context",
+ "libc",
+ "mach2 0.4.2",
+ "parking_lot",
+]
+
+[[package]]
+name = "crashes"
+version = "0.1.0"
+dependencies = [
+ "bincode",
+ "crash-handler",
+ "log",
+ "mach2 0.5.0",
+ "minidumper",
+ "paths",
+ "release_channel",
+ "serde",
+ "serde_json",
+ "smol",
+ "system_specs",
+ "workspace-hack",
+]
+
 [[package]]
 name = "crc"
 version = "3.2.1"
@@ -4460,6 +4594,15 @@ dependencies = [
  "zlog",
 ]
 
+[[package]]
+name = "debugid"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef552e6f588e446098f6ba40d89ac146c8c7b64aade83c051ee00bb5d2bc18d"
+dependencies = [
+ "uuid",
+]
+
 [[package]]
 name = "deepseek"
 version = "0.1.0"
@@ -4523,27 +4666,6 @@ dependencies = [
  "syn 2.0.101",
 ]
 
-[[package]]
-name = "derive_more"
-version = "2.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "093242cf7570c207c83073cf82f79706fe7b8317e98620a47d5be7c3d8497678"
-dependencies = [
- "derive_more-impl",
-]
-
-[[package]]
-name = "derive_more-impl"
-version = "2.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bda628edc44c4bb645fbe0f758797143e4e07926f7ebf4e9bdfbd3d2ce621df3"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.101",
- "unicode-xid",
-]
-
 [[package]]
 name = "derive_refineable"
 version = "0.1.0"
@@ -4564,7 +4686,6 @@ dependencies = [
  "component",
  "ctor",
  "editor",
- "futures 0.3.31",
  "gpui",
  "indoc",
  "language",
@@ -4863,6 +4984,49 @@ dependencies = [
  "signature 1.6.4",
 ]
 
+[[package]]
+name = "edit_prediction"
+version = "0.1.0"
+dependencies = [
+ "client",
+ "gpui",
+ "language",
+ "project",
+ "workspace-hack",
+]
+
+[[package]]
+name = "edit_prediction_button"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "client",
+ "cloud_llm_client",
+ "copilot",
+ "edit_prediction",
+ "editor",
+ "feature_flags",
+ "fs",
+ "futures 0.3.31",
+ "gpui",
+ "indoc",
+ "language",
+ "lsp",
+ "paths",
+ "project",
+ "regex",
+ "serde_json",
+ "settings",
+ "supermaven",
+ "telemetry",
+ "theme",
+ "ui",
+ "workspace",
+ "workspace-hack",
+ "zed_actions",
+ "zeta",
+]
+
 [[package]]
 name = "editor"
 version = "0.1.0"
@@ -4878,6 +5042,7 @@ dependencies = [
  "ctor",
  "dap",
  "db",
+ "edit_prediction",
  "emojis",
  "file_icons",
  "fs",
@@ -4887,7 +5052,6 @@ dependencies = [
  "gpui",
  "http_client",
  "indoc",
- "inline_completion",
  "itertools 0.14.0",
  "language",
  "languages",
@@ -5558,14 +5722,10 @@ dependencies = [
 name = "feedback"
 version = "0.1.0"
 dependencies = [
- "client",
  "editor",
  "gpui",
- "human_bytes",
  "menu",
- "release_channel",
- "serde",
- "sysinfo",
+ "system_specs",
  "ui",
  "urlencoding",
  "util",
@@ -6185,17 +6345,6 @@ dependencies = [
  "windows-targets 0.48.5",
 ]
 
-[[package]]
-name = "getrandom"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.15"
@@ -6252,7 +6401,7 @@ dependencies = [
  "askpass",
  "async-trait",
  "collections",
- "derive_more 0.99.19",
+ "derive_more",
  "futures 0.3.31",
  "git2",
  "gpui",
@@ -6260,6 +6409,7 @@ dependencies = [
  "log",
  "parking_lot",
  "pretty_assertions",
+ "rand 0.8.5",
  "regex",
  "rope",
  "schemars",
@@ -6323,7 +6473,6 @@ dependencies = [
  "buffer_diff",
  "call",
  "chrono",
- "client",
  "cloud_llm_client",
  "collections",
  "command_palette_hooks",
@@ -6335,6 +6484,7 @@ dependencies = [
  "fuzzy",
  "git",
  "gpui",
+ "indoc",
  "itertools 0.14.0",
  "language",
  "language_model",
@@ -7199,6 +7349,17 @@ dependencies = [
  "workspace-hack",
 ]
 
+[[package]]
+name = "goblin"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b363a30c165f666402fe6a3024d3bec7ebc898f96a4a23bd1c99f8dbf3f4f47"
+dependencies = [
+ "log",
+ "plain",
+ "scroll",
+]
+
 [[package]]
 name = "google_ai"
 version = "0.1.0"
@@ -7270,7 +7431,7 @@ dependencies = [
  "core-video",
  "cosmic-text",
  "ctor",
- "derive_more 0.99.19",
+ "derive_more",
  "embed-resource",
  "env_logger 0.11.8",
  "etagere",
@@ -7316,6 +7477,7 @@ dependencies = [
  "slotmap",
  "smallvec",
  "smol",
+ "stacksafe",
  "strum 0.27.1",
  "sum_tree",
  "taffy",
@@ -7357,6 +7519,7 @@ dependencies = [
 name = "gpui_tokio"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "gpui",
  "tokio",
  "util",
@@ -7365,9 +7528,9 @@ dependencies = [
 
 [[package]]
 name = "grid"
-version = "0.17.0"
+version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71b01d27060ad58be4663b9e4ac9e2d4806918e8876af8912afbddd1a91d5eaa"
+checksum = "12101ecc8225ea6d675bc70263074eab6169079621c2186fe0c66590b2df9681"
 
 [[package]]
 name = "group"
@@ -7680,6 +7843,12 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "hound"
+version = "3.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62adaabb884c94955b19907d60019f4e145d091c75345379e70d1ee696f7854f"
+
 [[package]]
 name = "html5ever"
 version = "0.27.0"
@@ -7781,38 +7950,19 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "add0ab9360ddbd88cfeb3bd9574a1d85cfdfa14db10b3e21d3700dbc4328758f"
 
-[[package]]
-name = "http-types"
-version = "2.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e9b187a72d63adbfba487f48095306ac823049cb504ee195541e91c7775f5ad"
-dependencies = [
- "anyhow",
- "async-channel 1.9.0",
- "base64 0.13.1",
- "futures-lite 1.13.0",
- "http 0.2.12",
- "infer",
- "pin-project-lite",
- "rand 0.7.3",
- "serde",
- "serde_json",
- "serde_qs 0.8.5",
- "serde_urlencoded",
- "url",
-]
-
 [[package]]
 name = "http_client"
 version = "0.1.0"
 dependencies = [
  "anyhow",
  "bytes 1.10.1",
- "derive_more 0.99.19",
+ "derive_more",
  "futures 0.3.31",
  "http 1.3.1",
  "http-body 1.0.1",
  "log",
+ "parking_lot",
+ "reqwest 0.12.15 (git+https://github.com/zed-industries/reqwest.git?rev=951c770a32f1998d6e999cef3e59e0013e6c4415)",
  "serde",
  "serde_json",
  "url",
@@ -8233,34 +8383,6 @@ version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0263a3d970d5c054ed9312c0057b4f3bde9c0b33836d3637361d4a9e6e7a408"
 
-[[package]]
-name = "indexed_docs"
-version = "0.1.0"
-dependencies = [
- "anyhow",
- "async-trait",
- "cargo_metadata",
- "collections",
- "derive_more 0.99.19",
- "extension",
- "fs",
- "futures 0.3.31",
- "fuzzy",
- "gpui",
- "heed",
- "html_to_markdown",
- "http_client",
- "indexmap",
- "indoc",
- "parking_lot",
- "paths",
- "pretty_assertions",
- "serde",
- "strum 0.27.1",
- "util",
- "workspace-hack",
-]
-
 [[package]]
 name = "indexmap"
 version = "2.9.0"
@@ -8278,12 +8400,6 @@ version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f4c7245a08504955605670dbf141fceab975f15ca21570696aebe9d2e71576bd"
 
-[[package]]
-name = "infer"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64e9829a50b42bb782c1df523f78d332fe371b10c661e78b7a3c34b0198e9fac"
-
 [[package]]
 name = "inherent"
 version = "1.0.12"
@@ -8295,49 +8411,6 @@ dependencies = [
  "syn 2.0.101",
 ]
 
-[[package]]
-name = "inline_completion"
-version = "0.1.0"
-dependencies = [
- "client",
- "gpui",
- "language",
- "project",
- "workspace-hack",
-]
-
-[[package]]
-name = "inline_completion_button"
-version = "0.1.0"
-dependencies = [
- "anyhow",
- "client",
- "cloud_llm_client",
- "copilot",
- "editor",
- "feature_flags",
- "fs",
- "futures 0.3.31",
- "gpui",
- "indoc",
- "inline_completion",
- "language",
- "lsp",
- "paths",
- "project",
- "regex",
- "serde_json",
- "settings",
- "supermaven",
- "telemetry",
- "theme",
- "ui",
- "workspace",
- "workspace-hack",
- "zed_actions",
- "zeta",
-]
-
 [[package]]
 name = "inotify"
 version = "0.9.6"
@@ -8395,6 +8468,7 @@ dependencies = [
  "theme",
  "ui",
  "util",
+ "util_macros",
  "workspace",
  "workspace-hack",
  "zed_actions",
@@ -9027,6 +9101,7 @@ dependencies = [
  "anyhow",
  "base64 0.22.1",
  "client",
+ "cloud_api_types",
  "cloud_llm_client",
  "collections",
  "futures 0.3.31",
@@ -9084,7 +9159,6 @@ dependencies = [
  "open_router",
  "partial-json-fixer",
  "project",
- "proto",
  "release_channel",
  "schemars",
  "serde",
@@ -9158,6 +9232,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "async-compression",
+ "async-fs",
  "async-tar",
  "async-trait",
  "chrono",
@@ -9189,9 +9264,11 @@ dependencies = [
  "serde_json",
  "serde_json_lenient",
  "settings",
+ "sha2",
  "smol",
  "snippet_provider",
  "task",
+ "tempfile",
  "text",
  "theme",
  "toml 0.8.20",
@@ -9528,6 +9605,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "async-trait",
+ "audio",
  "collections",
  "core-foundation 0.10.0",
  "core-video",
@@ -9546,9 +9624,11 @@ dependencies = [
  "objc",
  "parking_lot",
  "postage",
+ "rodio",
  "scap",
  "serde",
  "serde_json",
+ "settings",
  "sha2",
  "simplelog",
  "smallvec",
@@ -9583,9 +9663,9 @@ dependencies = [
 
 [[package]]
 name = "lock_api"
-version = "0.4.12"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07af8b9cdd281b7915f413fa73f29ebd5d55d0d3f0155584dade1ff18cea1b17"
+checksum = "96936507f153605bddfcda068dd804796c84324ed2510809e5b2a624c81da765"
 dependencies = [
  "autocfg",
  "scopeguard",
@@ -9779,6 +9859,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "mach2"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a1b95cd5421ec55b445b5ae102f5ea0e768de1f82bd3001e11f426c269c3aea"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "malloc_buf"
 version = "0.0.6"
@@ -9822,7 +9911,7 @@ name = "markdown_preview"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "async-recursion 1.1.1",
+ "async-recursion",
  "collections",
  "editor",
  "fs",
@@ -10087,6 +10176,63 @@ dependencies = [
  "unicase",
 ]
 
+[[package]]
+name = "minidump-common"
+version = "0.21.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c4d14bcca0fd3ed165a03000480aaa364c6860c34e900cb2dafdf3b95340e77"
+dependencies = [
+ "bitflags 2.9.0",
+ "debugid",
+ "num-derive",
+ "num-traits",
+ "range-map",
+ "scroll",
+ "smart-default",
+]
+
+[[package]]
+name = "minidump-writer"
+version = "0.8.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abcd9c8a1e6e1e9d56ce3627851f39a17ea83e17c96bc510f29d7e43d78a7d"
+dependencies = [
+ "bitflags 2.9.0",
+ "byteorder",
+ "cfg-if",
+ "crash-context",
+ "goblin",
+ "libc",
+ "log",
+ "mach2 0.4.2",
+ "memmap2",
+ "memoffset",
+ "minidump-common",
+ "nix 0.28.0",
+ "procfs-core",
+ "scroll",
+ "tempfile",
+ "thiserror 1.0.69",
+]
+
+[[package]]
+name = "minidumper"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b4ebc9d1f8847ec1d078f78b35ed598e0ebefa1f242d5f83cd8d7f03960a7d1"
+dependencies = [
+ "cfg-if",
+ "crash-context",
+ "libc",
+ "log",
+ "minidump-writer",
+ "parking_lot",
+ "polling",
+ "scroll",
+ "thiserror 1.0.69",
+ "uds",
+]
+
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
@@ -10430,6 +10576,15 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "nom"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df9761775871bdef83bee530e60050f7e54b1105350d6884eb0fb4f46c2f9405"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "noop_proc_macro"
 version = "0.3.0"
@@ -10922,19 +11077,28 @@ dependencies = [
 name = "onboarding"
 version = "0.1.0"
 dependencies = [
+ "ai_onboarding",
  "anyhow",
  "client",
- "command_palette_hooks",
+ "component",
  "db",
+ "documented",
  "editor",
- "feature_flags",
  "fs",
+ "fuzzy",
+ "git",
  "gpui",
+ "itertools 0.14.0",
  "language",
+ "language_model",
+ "menu",
+ "notifications",
+ "picker",
  "project",
  "schemars",
  "serde",
  "settings",
+ "telemetry",
  "theme",
  "ui",
  "util",
@@ -11010,6 +11174,7 @@ dependencies = [
  "anyhow",
  "futures 0.3.31",
  "http_client",
+ "log",
  "schemars",
  "serde",
  "serde_json",
@@ -11293,9 +11458,9 @@ checksum = "f38d5652c16fde515bb1ecef450ab0f6a219d619a7274976324d5e377f7dceba"
 
 [[package]]
 name = "parking_lot"
-version = "0.12.3"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bf18183cf54e8d6059647fc3063646a1801cf30896933ec2311622cc4b9a27"
+checksum = "70d58bf43669b5795d1576d0641cfb6fbb2057bf629506267a92807158584a13"
 dependencies = [
  "lock_api",
  "parking_lot_core",
@@ -11303,9 +11468,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.9.10"
+version = "0.9.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
+checksum = "bc838d2a56b5b1a6c25f55575dfc605fabb63bb2365f6c2353ef9159aa69e4a5"
 dependencies = [
  "cfg-if",
  "libc",
@@ -11450,6 +11615,12 @@ dependencies = [
  "hmac",
 ]
 
+[[package]]
+name = "pciid-parser"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0008e816fcdaf229cdd540e9b6ca2dc4a10d65c31624abb546c6420a02846e61"
+
 [[package]]
 name = "pem"
 version = "3.0.5"
@@ -12069,6 +12240,12 @@ version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
 
+[[package]]
+name = "plain"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
+
 [[package]]
 name = "plist"
 version = "1.7.1"
@@ -12329,6 +12506,16 @@ dependencies = [
  "yansi",
 ]
 
+[[package]]
+name = "procfs-core"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d3554923a69f4ce04c4a754260c338f505ce22642d3830e049a399fc2059a29"
+dependencies = [
+ "bitflags 2.9.0",
+ "hex",
+]
+
 [[package]]
 name = "prodash"
 version = "29.0.2"
@@ -12443,6 +12630,7 @@ dependencies = [
  "editor",
  "file_icons",
  "git",
+ "git_ui",
  "gpui",
  "indexmap",
  "language",
@@ -12456,6 +12644,7 @@ dependencies = [
  "serde_json",
  "settings",
  "smallvec",
+ "telemetry",
  "theme",
  "ui",
  "util",
@@ -12879,19 +13068,6 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc33ff2d4973d518d823d61aa239014831e521c75da58e3df4840d3f47749d09"
 
-[[package]]
-name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.16",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc",
-]
-
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -12913,16 +13089,6 @@ dependencies = [
  "rand_core 0.9.3",
 ]
 
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
-]
-
 [[package]]
 name = "rand_chacha"
 version = "0.3.1"
@@ -12943,15 +13109,6 @@ dependencies = [
  "rand_core 0.9.3",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-dependencies = [
- "getrandom 0.1.16",
-]
-
 [[package]]
 name = "rand_core"
 version = "0.6.4"
@@ -12971,12 +13128,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
+name = "range-map"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
+checksum = "12a5a2d6c7039059af621472a4389be1215a816df61aa4d531cfe85264aee95f"
 dependencies = [
- "rand_core 0.5.1",
+ "num-traits",
 ]
 
 [[package]]
@@ -13311,6 +13468,7 @@ dependencies = [
 name = "remote_server"
 version = "0.1.0"
 dependencies = [
+ "action_log",
  "anyhow",
  "askpass",
  "assistant_tool",
@@ -13321,6 +13479,8 @@ dependencies = [
  "clap",
  "client",
  "clock",
+ "crash-handler",
+ "crashes",
  "dap",
  "dap_adapters",
  "debug_adapter_extension",
@@ -13344,6 +13504,7 @@ dependencies = [
  "libc",
  "log",
  "lsp",
+ "minidumper",
  "node_runtime",
  "paths",
  "project",
@@ -13360,6 +13521,7 @@ dependencies = [
  "smol",
  "sysinfo",
  "telemetry_events",
+ "thiserror 2.0.12",
  "toml 0.8.20",
  "unindent",
  "util",
@@ -13532,6 +13694,7 @@ dependencies = [
  "js-sys",
  "log",
  "mime",
+ "mime_guess",
  "once_cell",
  "percent-encoding",
  "pin-project-lite",
@@ -13699,6 +13862,7 @@ checksum = "e40ecf59e742e03336be6a3d53755e789fd05a059fa22dfa0ed624722319e183"
 dependencies = [
  "cpal",
  "dasp_sample",
+ "hound",
  "num-rational",
  "symphonia",
  "tracing",
@@ -14197,12 +14361,10 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe8c9d1c68d67dd9f97ecbc6f932b60eb289c5dbddd8aa1405484a8fd2fcd984"
 dependencies = [
- "chrono",
  "dyn-clone",
  "indexmap",
  "ref-cast",
  "schemars_derive",
- "semver",
  "serde",
  "serde_json",
 ]
@@ -14260,6 +14422,26 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "scroll"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ab8598aa408498679922eff7fa985c25d58a90771bd6be794434c5277eab1a6"
+dependencies = [
+ "scroll_derive",
+]
+
+[[package]]
+name = "scroll_derive"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1783eabc414609e28a5ba76aee5ddd52199f7107a0b24c2e9746a1ecc34a683d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.101",
+]
+
 [[package]]
 name = "scrypt"
 version = "0.11.0"
@@ -14598,28 +14780,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "serde_qs"
-version = "0.8.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7715380eec75f029a4ef7de39a9200e0a63823176b759d055b613f5a87df6a6"
-dependencies = [
- "percent-encoding",
- "serde",
- "thiserror 1.0.69",
-]
-
-[[package]]
-name = "serde_qs"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8cac3f1e2ca2fe333923a1ae72caca910b98ed0630bb35ef6f8c8517d6e81afa"
-dependencies = [
- "percent-encoding",
- "serde",
- "thiserror 1.0.69",
-]
-
 [[package]]
 name = "serde_repr"
 version = "0.1.20"
@@ -14761,8 +14921,10 @@ dependencies = [
  "ui",
  "ui_input",
  "util",
+ "vim",
  "workspace",
  "workspace-hack",
+ "zed_actions",
 ]
 
 [[package]]
@@ -14996,13 +15158,13 @@ dependencies = [
 
 [[package]]
 name = "smart-default"
-version = "0.6.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "133659a15339456eeeb07572eb02a91c91e9815e9cbc89566944d2c8d3efdbf6"
+checksum = "0eb01866308440fc64d6c44d9e86c5cc17adfe33c4d6eed55da9145044d0ffc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -15022,15 +15184,6 @@ dependencies = [
  "futures-lite 2.6.0",
 ]
 
-[[package]]
-name = "smol_str"
-version = "0.1.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fad6c857cbab2627dcf01ec85a623ca4e7dcb5691cbaa3d7fb7653671f0d09c9"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "smol_str"
 version = "0.2.2"
@@ -15182,7 +15335,7 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7bba3a93db0cc4f7bdece8bb09e77e2e785c20bfebf79eb8340ed80708048790"
 dependencies = [
- "nom",
+ "nom 7.1.3",
  "unicode_categories",
 ]
 
@@ -15402,6 +15555,40 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
 
+[[package]]
+name = "stacker"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cddb07e32ddb770749da91081d8d0ac3a16f1a569a18b20348cd371f5dead06b"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "libc",
+ "psm",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "stacksafe"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d9c1172965d317e87ddb6d364a040d958b40a1db82b6ef97da26253a8b3d090"
+dependencies = [
+ "stacker",
+ "stacksafe-macro",
+]
+
+[[package]]
+name = "stacksafe-macro"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "172175341049678163e979d9107ca3508046d4d2a7c6682bee46ac541b17db69"
+dependencies = [
+ "proc-macro-error2",
+ "quote",
+ "syn 2.0.101",
+]
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -15587,12 +15774,12 @@ dependencies = [
  "anyhow",
  "client",
  "collections",
+ "edit_prediction",
  "editor",
  "env_logger 0.11.8",
  "futures 0.3.31",
  "gpui",
  "http_client",
- "inline_completion",
  "language",
  "log",
  "postage",
@@ -15953,6 +16140,21 @@ dependencies = [
  "winx",
 ]
 
+[[package]]
+name = "system_specs"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "client",
+ "gpui",
+ "human_bytes",
+ "pciid-parser",
+ "release_channel",
+ "serde",
+ "sysinfo",
+ "workspace-hack",
+]
+
 [[package]]
 name = "tab_switcher"
 version = "0.1.0"
@@ -15982,9 +16184,9 @@ dependencies = [
 
 [[package]]
 name = "taffy"
-version = "0.8.3"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7aaef0ac998e6527d6d0d5582f7e43953bb17221ac75bb8eb2fcc2db3396db1c"
+checksum = "a13e5d13f79d558b5d353a98072ca8ca0e99da429467804de959aa8c83c9a004"
 dependencies = [
  "arrayvec",
  "grid",
@@ -16185,7 +16387,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "assistant_slash_command",
- "async-recursion 1.1.1",
+ "async-recursion",
  "breadcrumbs",
  "client",
  "collections",
@@ -16246,7 +16448,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "collections",
- "derive_more 0.99.19",
+ "derive_more",
  "fs",
  "futures 0.3.31",
  "gpui",
@@ -16385,9 +16587,8 @@ dependencies = [
 
 [[package]]
 name = "tiktoken-rs"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25563eeba904d770acf527e8b370fe9a5547bacd20ff84a0b6c3bc41288e5625"
+version = "0.8.0"
+source = "git+https://github.com/zed-industries/tiktoken-rs?rev=30c32a4522751699adeda0d5840c71c3b75ae73d#30c32a4522751699adeda0d5840c71c3b75ae73d"
 dependencies = [
  "anyhow",
  "base64 0.22.1",
@@ -17288,6 +17489,15 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2896d95c02a80c6d6a5d6e953d479f5ddf2dfdb6a244441010e373ac0fb88971"
 
+[[package]]
+name = "uds"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "885c31f06fce836457fe3ef09a59f83fe8db95d270b11cd78f40a4666c4d1661"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "uds_windows"
 version = "1.1.0"
@@ -17724,6 +17934,7 @@ dependencies = [
  "command_palette_hooks",
  "db",
  "editor",
+ "env_logger 0.11.8",
  "futures 0.3.31",
  "git_ui",
  "gpui",
@@ -17870,12 +18081,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -18109,7 +18314,7 @@ dependencies = [
  "indexmap",
  "libc",
  "log",
- "mach2",
+ "mach2 0.4.2",
  "memfd",
  "object",
  "once_cell",
@@ -18577,33 +18782,6 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "53a85b86a771b1c87058196170769dd264f66c0782acf1ae6cc51bfd64b39082"
 
-[[package]]
-name = "welcome"
-version = "0.1.0"
-dependencies = [
- "anyhow",
- "client",
- "component",
- "db",
- "documented",
- "editor",
- "fuzzy",
- "gpui",
- "install_cli",
- "language",
- "picker",
- "project",
- "serde",
- "settings",
- "telemetry",
- "ui",
- "util",
- "vim_mode_setting",
- "workspace",
- "workspace-hack",
- "zed_actions",
-]
-
 [[package]]
 name = "which"
 version = "4.4.2"
@@ -19610,8 +19788,7 @@ version = "0.1.0"
 dependencies = [
  "any_vec",
  "anyhow",
- "async-recursion 1.1.1",
- "bincode",
+ "async-recursion",
  "call",
  "client",
  "clock",
@@ -19630,6 +19807,7 @@ dependencies = [
  "node_runtime",
  "parking_lot",
  "postage",
+ "pretty_assertions",
  "project",
  "remote",
  "schemars",
@@ -19743,11 +19921,13 @@ dependencies = [
  "lyon_path",
  "md-5",
  "memchr",
+ "mime_guess",
  "miniz_oxide",
  "mio 1.0.3",
  "naga",
+ "nix 0.28.0",
  "nix 0.29.0",
- "nom",
+ "nom 7.1.3",
  "num-bigint",
  "num-bigint-dig",
  "num-integer",
@@ -19783,7 +19963,6 @@ dependencies = [
  "rustix 1.0.7",
  "rustls 0.23.26",
  "rustls-webpki 0.103.1",
- "schemars",
  "scopeguard",
  "sea-orm",
  "sea-query-binder",
@@ -19987,7 +20166,7 @@ dependencies = [
 [[package]]
 name = "xim"
 version = "0.4.0"
-source = "git+https://github.com/XDeme1/xim-rs?rev=d50d461764c2213655cd9cf65a0ea94c70d3c4fd#d50d461764c2213655cd9cf65a0ea94c70d3c4fd"
+source = "git+https://github.com/zed-industries/xim-rs?rev=c0a70c1bd2ce197364216e5e818a2cb3adb99a8d#c0a70c1bd2ce197364216e5e818a2cb3adb99a8d"
 dependencies = [
  "ahash 0.8.11",
  "hashbrown 0.14.5",
@@ -20000,7 +20179,7 @@ dependencies = [
 [[package]]
 name = "xim-ctext"
 version = "0.3.0"
-source = "git+https://github.com/XDeme1/xim-rs?rev=d50d461764c2213655cd9cf65a0ea94c70d3c4fd#d50d461764c2213655cd9cf65a0ea94c70d3c4fd"
+source = "git+https://github.com/zed-industries/xim-rs?rev=c0a70c1bd2ce197364216e5e818a2cb3adb99a8d#c0a70c1bd2ce197364216e5e818a2cb3adb99a8d"
 dependencies = [
  "encoding_rs",
 ]
@@ -20008,7 +20187,7 @@ dependencies = [
 [[package]]
 name = "xim-parser"
 version = "0.2.1"
-source = "git+https://github.com/XDeme1/xim-rs?rev=d50d461764c2213655cd9cf65a0ea94c70d3c4fd#d50d461764c2213655cd9cf65a0ea94c70d3c4fd"
+source = "git+https://github.com/zed-industries/xim-rs?rev=c0a70c1bd2ce197364216e5e818a2cb3adb99a8d#c0a70c1bd2ce197364216e5e818a2cb3adb99a8d"
 dependencies = [
  "bitflags 2.9.0",
 ]
@@ -20082,6 +20261,35 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cfe53a6657fd280eaa890a3bc59152892ffa3e30101319d168b781ed6529b049"
 
+[[package]]
+name = "yawc"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19a5d82922135b4ae73a079a4ffb5501e9aadb4d785b8c660eaa0a8b899028c5"
+dependencies = [
+ "base64 0.22.1",
+ "bytes 1.10.1",
+ "flate2",
+ "futures 0.3.31",
+ "http-body-util",
+ "hyper 1.6.0",
+ "hyper-util",
+ "js-sys",
+ "nom 8.0.0",
+ "pin-project",
+ "rand 0.8.5",
+ "sha1",
+ "thiserror 1.0.69",
+ "tokio",
+ "tokio-rustls 0.26.2",
+ "tokio-util",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "webpki-roots",
+]
+
 [[package]]
 name = "yazi"
 version = "0.2.1"
@@ -20135,7 +20343,7 @@ dependencies = [
  "async-io",
  "async-lock",
  "async-process",
- "async-recursion 1.1.1",
+ "async-recursion",
  "async-task",
  "async-trait",
  "blocking",
@@ -20188,8 +20396,9 @@ dependencies = [
 
 [[package]]
 name = "zed"
-version = "0.199.0"
+version = "0.202.0"
 dependencies = [
+ "acp_tools",
  "activity_indicator",
  "agent",
  "agent_servers",
@@ -20205,6 +20414,7 @@ dependencies = [
  "auto_update",
  "auto_update_ui",
  "backtrace",
+ "bincode",
  "breadcrumbs",
  "call",
  "channel",
@@ -20217,6 +20427,7 @@ dependencies = [
  "command_palette",
  "component",
  "copilot",
+ "crashes",
  "dap",
  "dap_adapters",
  "db",
@@ -20224,6 +20435,7 @@ dependencies = [
  "debugger_tools",
  "debugger_ui",
  "diagnostics",
+ "edit_prediction_button",
  "editor",
  "env_logger 0.11.8",
  "extension",
@@ -20243,7 +20455,6 @@ dependencies = [
  "http_client",
  "image_viewer",
  "indoc",
- "inline_completion_button",
  "inspector_ui",
  "install_cli",
  "itertools 0.14.0",
@@ -20257,6 +20468,7 @@ dependencies = [
  "language_tools",
  "languages",
  "libc",
+ "livekit_client",
  "log",
  "markdown",
  "markdown_preview",
@@ -20284,6 +20496,7 @@ dependencies = [
  "release_channel",
  "remote",
  "repl",
+ "reqwest 0.12.15 (git+https://github.com/zed-industries/reqwest.git?rev=951c770a32f1998d6e999cef3e59e0013e6c4415)",
  "reqwest_client",
  "rope",
  "search",
@@ -20300,6 +20513,7 @@ dependencies = [
  "supermaven",
  "svg_preview",
  "sysinfo",
+ "system_specs",
  "tab_switcher",
  "task",
  "tasks_ui",
@@ -20326,7 +20540,6 @@ dependencies = [
  "watch",
  "web_search",
  "web_search_providers",
- "welcome",
  "windows 0.61.1",
  "winresource",
  "workspace",
@@ -20348,13 +20561,6 @@ dependencies = [
  "workspace-hack",
 ]
 
-[[package]]
-name = "zed_emmet"
-version = "0.0.4"
-dependencies = [
- "zed_extension_api 0.1.0",
-]
-
 [[package]]
 name = "zed_extension_api"
 version = "0.1.0"
@@ -20398,7 +20604,7 @@ dependencies = [
 
 [[package]]
 name = "zed_ruff"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "zed_extension_api 0.1.0",
 ]
@@ -20568,12 +20774,14 @@ dependencies = [
  "call",
  "client",
  "clock",
+ "cloud_api_types",
  "cloud_llm_client",
  "collections",
  "command_palette_hooks",
  "copilot",
  "ctor",
  "db",
+ "edit_prediction",
  "editor",
  "feature_flags",
  "fs",
@@ -20581,14 +20789,13 @@ dependencies = [
  "gpui",
  "http_client",
  "indoc",
- "inline_completion",
  "language",
  "language_model",
  "log",
  "menu",
  "postage",
  "project",
- "proto",
+ "rand 0.8.5",
  "regex",
  "release_channel",
  "reqwest_client",
@@ -20613,6 +20820,42 @@ dependencies = [
  "zlog",
 ]
 
+[[package]]
+name = "zeta_cli"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "clap",
+ "client",
+ "debug_adapter_extension",
+ "extension",
+ "fs",
+ "futures 0.3.31",
+ "gpui",
+ "gpui_tokio",
+ "language",
+ "language_extension",
+ "language_model",
+ "language_models",
+ "languages",
+ "node_runtime",
+ "paths",
+ "project",
+ "prompt_store",
+ "release_channel",
+ "reqwest_client",
+ "serde",
+ "serde_json",
+ "settings",
+ "shellexpand 2.1.2",
+ "smol",
+ "terminal_view",
+ "util",
+ "watch",
+ "workspace-hack",
+ "zeta",
+]
+
 [[package]]
 name = "zip"
 version = "0.6.6"
diff --git a/Cargo.toml b/Cargo.toml
index 9a05d89e53..6ec243a9b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,9 +1,12 @@
 [workspace]
 resolver = "2"
 members = [
+    "crates/acp_tools",
     "crates/acp_thread",
+    "crates/action_log",
     "crates/activity_indicator",
     "crates/agent",
+    "crates/agent2",
     "crates/agent_servers",
     "crates/agent_settings",
     "crates/agent_ui",
@@ -40,6 +43,7 @@ members = [
     "crates/component",
     "crates/context_server",
     "crates/copilot",
+    "crates/crashes",
     "crates/credentials_provider",
     "crates/dap",
     "crates/dap_adapters",
@@ -78,9 +82,8 @@ members = [
     "crates/http_client_tls",
     "crates/icons",
     "crates/image_viewer",
-    "crates/indexed_docs",
-    "crates/inline_completion",
-    "crates/inline_completion_button",
+    "crates/edit_prediction",
+    "crates/edit_prediction_button",
     "crates/inspector_ui",
     "crates/install_cli",
     "crates/jj",
@@ -153,6 +156,7 @@ members = [
     "crates/streaming_diff",
     "crates/sum_tree",
     "crates/supermaven",
+    "crates/system_specs",
     "crates/supermaven_api",
     "crates/svg_preview",
     "crates/tab_switcher",
@@ -182,13 +186,13 @@ members = [
     "crates/watch",
     "crates/web_search",
     "crates/web_search_providers",
-    "crates/welcome",
     "crates/workspace",
     "crates/worktree",
     "crates/x_ai",
     "crates/zed",
     "crates/zed_actions",
     "crates/zeta",
+    "crates/zeta_cli",
     "crates/zlog",
     "crates/zlog_settings",
 
@@ -196,7 +200,6 @@ members = [
     # Extensions
     #
 
-    "extensions/emmet",
     "extensions/glsl",
     "extensions/html",
     "extensions/proto",
@@ -225,8 +228,11 @@ edition = "2024"
 # Workspace member crates
 #
 
+acp_tools = { path = "crates/acp_tools" }
 acp_thread = { path = "crates/acp_thread" }
+action_log = { path = "crates/action_log" }
 agent = { path = "crates/agent" }
+agent2 = { path = "crates/agent2" }
 activity_indicator = { path = "crates/activity_indicator" }
 agent_ui = { path = "crates/agent_ui" }
 agent_settings = { path = "crates/agent_settings" }
@@ -265,6 +271,7 @@ command_palette_hooks = { path = "crates/command_palette_hooks" }
 component = { path = "crates/component" }
 context_server = { path = "crates/context_server" }
 copilot = { path = "crates/copilot" }
+crashes = { path = "crates/crashes" }
 credentials_provider = { path = "crates/credentials_provider" }
 dap = { path = "crates/dap" }
 dap_adapters = { path = "crates/dap_adapters" }
@@ -300,9 +307,8 @@ http_client = { path = "crates/http_client" }
 http_client_tls = { path = "crates/http_client_tls" }
 icons = { path = "crates/icons" }
 image_viewer = { path = "crates/image_viewer" }
-indexed_docs = { path = "crates/indexed_docs" }
-inline_completion = { path = "crates/inline_completion" }
-inline_completion_button = { path = "crates/inline_completion_button" }
+edit_prediction = { path = "crates/edit_prediction" }
+edit_prediction_button = { path = "crates/edit_prediction_button" }
 inspector_ui = { path = "crates/inspector_ui" }
 install_cli = { path = "crates/install_cli" }
 jj = { path = "crates/jj" }
@@ -357,6 +363,7 @@ remote_server = { path = "crates/remote_server" }
 repl = { path = "crates/repl" }
 reqwest_client = { path = "crates/reqwest_client" }
 rich_text = { path = "crates/rich_text" }
+rodio = { version = "0.21.1", default-features = false }
 rope = { path = "crates/rope" }
 rpc = { path = "crates/rpc" }
 rules_library = { path = "crates/rules_library" }
@@ -377,6 +384,7 @@ streaming_diff = { path = "crates/streaming_diff" }
 sum_tree = { path = "crates/sum_tree" }
 supermaven = { path = "crates/supermaven" }
 supermaven_api = { path = "crates/supermaven_api" }
+system_specs = { path = "crates/system_specs" }
 tab_switcher = { path = "crates/tab_switcher" }
 task = { path = "crates/task" }
 tasks_ui = { path = "crates/tasks_ui" }
@@ -405,7 +413,6 @@ vim_mode_setting = { path = "crates/vim_mode_setting" }
 watch = { path = "crates/watch" }
 web_search = { path = "crates/web_search" }
 web_search_providers = { path = "crates/web_search_providers" }
-welcome = { path = "crates/welcome" }
 workspace = { path = "crates/workspace" }
 worktree = { path = "crates/worktree" }
 x_ai = { path = "crates/x_ai" }
@@ -419,8 +426,7 @@ zlog_settings = { path = "crates/zlog_settings" }
 # External crates
 #
 
-agentic-coding-protocol = "0.0.10"
-agent-client-protocol = "0.0.11"
+agent-client-protocol = "0.0.31"
 aho-corasick = "1.1"
 alacritty_terminal = { git = "https://github.com/zed-industries/alacritty.git", branch = "add-hush-login-flag" }
 any_vec = "0.14"
@@ -447,6 +453,7 @@ aws-sdk-bedrockruntime = { version = "1.80.0", features = [
 aws-smithy-runtime-api = { version = "1.7.4", features = ["http-1x", "client"] }
 aws-smithy-types = { version = "1.3.0", features = ["http-body-1-x"] }
 base64 = "0.22"
+bincode = "1.2.1"
 bitflags = "2.6.0"
 blade-graphics = { git = "https://github.com/kvark/blade", rev = "e0ec4e720957edd51b945b64dd85605ea54bcfe5" }
 blade-macros = { git = "https://github.com/kvark/blade", rev = "e0ec4e720957edd51b945b64dd85605ea54bcfe5" }
@@ -456,6 +463,7 @@ bytes = "1.0"
 cargo_metadata = "0.19"
 cargo_toml = "0.21"
 chrono = { version = "0.4", features = ["serde"] }
+ciborium = "0.2"
 circular-buffer = "1.0"
 clap = { version = "4.4", features = ["derive"] }
 cocoa = "0.26"
@@ -465,6 +473,7 @@ core-foundation = "0.10.0"
 core-foundation-sys = "0.8.6"
 core-video = { version = "0.4.3", features = ["metal"] }
 cpal = "0.16"
+crash-handler = "0.6"
 criterion = { version = "0.5", features = ["html_reports"] }
 ctor = "0.4.0"
 dap-types = { git = "https://github.com/zed-industries/dap-types", rev = "1b461b310481d01e02b2603c16d7144b926339f8" }
@@ -488,6 +497,7 @@ handlebars = "4.3"
 heck = "0.5"
 heed = { version = "0.21.0", features = ["read-txn-no-tls"] }
 hex = "0.4.3"
+human_bytes = "0.4.1"
 html5ever = "0.27.0"
 http = "1.1"
 http-body = "1.0"
@@ -510,8 +520,10 @@ libsqlite3-sys = { version = "0.30.1", features = ["bundled"] }
 linkify = "0.10.0"
 log = { version = "0.4.16", features = ["kv_unstable_serde", "serde"] }
 lsp-types = { git = "https://github.com/zed-industries/lsp-types", rev = "39f629bdd03d59abd786ed9fc27e8bca02c0c0ec" }
+mach2 = "0.5"
 markup5ever_rcdom = "0.3.0"
 metal = "0.29"
+minidumper = "0.8"
 moka = { version = "0.12.10", features = ["sync"] }
 naga = { version = "25.0", features = ["wgsl-in"] }
 nanoid = "0.4"
@@ -525,6 +537,7 @@ palette = { version = "0.7.5", default-features = false, features = ["std"] }
 parking_lot = "0.12.1"
 partial-json-fixer = "0.5.3"
 parse_int = "0.9"
+pciid-parser = "0.8.0"
 pathdiff = "0.2"
 pet = { git = "https://github.com/microsoft/python-environment-tools.git", rev = "845945b830297a50de0e24020b980a65e4820559" }
 pet-conda = { git = "https://github.com/microsoft/python-environment-tools.git", rev = "845945b830297a50de0e24020b980a65e4820559" }
@@ -551,6 +564,7 @@ reqwest = { git = "https://github.com/zed-industries/reqwest.git", rev = "951c77
     "charset",
     "http2",
     "macos-system-configuration",
+    "multipart",
     "rustls-tls-native-roots",
     "socks",
     "stream",
@@ -575,6 +589,7 @@ serde_json_lenient = { version = "0.2", features = [
     "raw_value",
 ] }
 serde_repr = "0.1"
+serde_urlencoded = "0.7"
 sha2 = "0.10"
 shellexpand = "2.1.0"
 shlex = "1.3.0"
@@ -582,6 +597,7 @@ simplelog = "0.12.2"
 smallvec = { version = "1.6", features = ["union"] }
 smol = "2.0"
 sqlformat = "0.2"
+stacksafe = "0.1"
 streaming-iterator = "0.1"
 strsim = "0.11"
 strum = { version = "0.27.0", features = ["derive"] }
@@ -592,7 +608,7 @@ sysinfo = "0.31.0"
 take-until = "0.2.0"
 tempfile = "3.20.0"
 thiserror = "2.0.12"
-tiktoken-rs = "0.7.0"
+tiktoken-rs = { git = "https://github.com/zed-industries/tiktoken-rs", rev = "30c32a4522751699adeda0d5840c71c3b75ae73d" }
 time = { version = "0.3", features = [
     "macros",
     "parsing",
@@ -652,22 +668,9 @@ which = "6.0.0"
 windows-core = "0.61"
 wit-component = "0.221"
 workspace-hack = "0.1.0"
+yawc = "0.2.5"
 zstd = "0.11"
 
-[workspace.dependencies.async-stripe]
-git = "https://github.com/zed-industries/async-stripe"
-rev = "3672dd4efb7181aa597bf580bf5a2f5d23db6735"
-default-features = false
-features = [
-    "runtime-tokio-hyper-rustls",
-    "billing",
-    "checkout",
-    "events",
-    # The features below are only enabled to get the `events` feature to build.
-    "chrono",
-    "connect",
-]
-
 [workspace.dependencies.windows]
 version = "0.61"
 features = [
@@ -678,8 +681,6 @@ features = [
     "UI_ViewManagement",
     "Wdk_System_SystemServices",
     "Win32_Globalization",
-    "Win32_Graphics_Direct2D",
-    "Win32_Graphics_Direct2D_Common",
     "Win32_Graphics_Direct3D",
     "Win32_Graphics_Direct3D11",
     "Win32_Graphics_Direct3D_Fxc",
@@ -690,7 +691,6 @@ features = [
     "Win32_Graphics_Dxgi_Common",
     "Win32_Graphics_Gdi",
     "Win32_Graphics_Imaging",
-    "Win32_Graphics_Imaging_D2D",
     "Win32_Networking_WinSock",
     "Win32_Security",
     "Win32_Security_Credentials",
@@ -703,6 +703,7 @@ features = [
     "Win32_System_LibraryLoader",
     "Win32_System_Memory",
     "Win32_System_Ole",
+    "Win32_System_Performance",
     "Win32_System_Pipes",
     "Win32_System_SystemInformation",
     "Win32_System_SystemServices",
@@ -758,7 +759,7 @@ feature_flags = { codegen-units = 1 }
 file_icons = { codegen-units = 1 }
 fsevent = { codegen-units = 1 }
 image_viewer = { codegen-units = 1 }
-inline_completion_button = { codegen-units = 1 }
+edit_prediction_button = { codegen-units = 1 }
 install_cli = { codegen-units = 1 }
 journal = { codegen-units = 1 }
 lmstudio = { codegen-units = 1 }
@@ -807,38 +808,33 @@ unexpected_cfgs = { level = "allow" }
 dbg_macro = "deny"
 todo = "deny"
 
+# This is not a style lint, see https://github.com/rust-lang/rust-clippy/pull/15454
+# Remove when the lint gets promoted to `suspicious`.
+declare_interior_mutable_const = "deny"
+
+redundant_clone = "deny"
+
+# We currently do not restrict any style rules
+# as it slows down shipping code to Zed.
+#
+# Running ./script/clippy can take several minutes, and so it's
+# common to skip that step and let CI do it. Any unexpected failures
+# (which also take minutes to discover) thus require switching back
+# to an old branch, manual fixing, and re-pushing.
+#
+# In the future we could improve this by either making sure
+# Zed can surface clippy errors in diagnostics (in addition to the
+# rust-analyzer errors), or by having CI fix style nits automatically.
+style = { level = "allow", priority = -1 }
+
+# Individual rules that have violations in the codebase:
+type_complexity = "allow"
+let_underscore_future = "allow"
+
 # Motivation: We use `vec![a..b]` a lot when dealing with ranges in text, so
 # warning on this rule produces a lot of noise.
 single_range_in_vec_init = "allow"
 
-# These are all of the rules that currently have violations in the Zed
-# codebase.
-#
-# We'll want to drive this list down by either:
-# 1. fixing violations of the rule and begin enforcing it
-# 2. deciding we want to allow the rule permanently, at which point
-#    we should codify that separately above.
-#
-# This list shouldn't be added to; it should only get shorter.
-# =============================================================================
-
-# There are a bunch of rules currently failing in the `style` group, so
-# allow all of those, for now.
-style = { level = "allow", priority = -1 }
-
-# Temporary list of style lints that we've fixed so far.
-module_inception = { level = "deny" }
-question_mark = { level = "deny" }
-redundant_closure = { level = "deny" }
-# Individual rules that have violations in the codebase:
-type_complexity = "allow"
-# We often return trait objects from `new` functions.
-new_ret_no_self = { level = "allow" }
-# We have a few `next` functions that differ in lifetimes
-# compared to Iterator::next. Yet, clippy complains about those.
-should_implement_trait = { level = "allow" }
-let_underscore_future = "allow"
-
 # in Rust it can be very tedious to reduce argument count without
 # running afoul of the borrow checker.
 too_many_arguments = "allow"
diff --git a/Dockerfile-collab b/Dockerfile-collab
index 2dafe296c7..c1621d6ee6 100644
--- a/Dockerfile-collab
+++ b/Dockerfile-collab
@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.2
 
-FROM rust:1.88-bookworm as builder
+FROM rust:1.89-bookworm as builder
 WORKDIR app
 COPY . .
 
diff --git a/Procfile b/Procfile
index 5f1231b90a..b3f13f66a6 100644
--- a/Procfile
+++ b/Procfile
@@ -1,3 +1,4 @@
 collab: RUST_LOG=${RUST_LOG:-info} cargo run --package=collab serve all
+cloud: cd ../cloud; cargo make dev
 livekit: livekit-server --dev
 blob_store: ./script/run-local-minio
diff --git a/Procfile.web b/Procfile.web
new file mode 100644
index 0000000000..8140555144
--- /dev/null
+++ b/Procfile.web
@@ -0,0 +1,2 @@
+postgrest_llm: postgrest crates/collab/postgrest_llm.conf
+website: cd ../zed.dev; npm run dev -- --port=3000
diff --git a/assets/fonts/ibm-plex-sans/IBMPlexSans-Bold.ttf b/assets/fonts/ibm-plex-sans/IBMPlexSans-Bold.ttf
new file mode 100644
index 0000000000..1d66b1a2e9
Binary files /dev/null and b/assets/fonts/ibm-plex-sans/IBMPlexSans-Bold.ttf differ
diff --git a/assets/fonts/ibm-plex-sans/IBMPlexSans-BoldItalic.ttf b/assets/fonts/ibm-plex-sans/IBMPlexSans-BoldItalic.ttf
new file mode 100644
index 0000000000..e07bc1f527
Binary files /dev/null and b/assets/fonts/ibm-plex-sans/IBMPlexSans-BoldItalic.ttf differ
diff --git a/assets/fonts/ibm-plex-sans/IBMPlexSans-Italic.ttf b/assets/fonts/ibm-plex-sans/IBMPlexSans-Italic.ttf
new file mode 100644
index 0000000000..efe8a1fb9d
Binary files /dev/null and b/assets/fonts/ibm-plex-sans/IBMPlexSans-Italic.ttf differ
diff --git a/assets/fonts/ibm-plex-sans/IBMPlexSans-Regular.ttf b/assets/fonts/ibm-plex-sans/IBMPlexSans-Regular.ttf
new file mode 100644
index 0000000000..bd6817d520
Binary files /dev/null and b/assets/fonts/ibm-plex-sans/IBMPlexSans-Regular.ttf differ
diff --git a/assets/fonts/plex-mono/license.txt b/assets/fonts/ibm-plex-sans/license.txt
similarity index 100%
rename from assets/fonts/plex-mono/license.txt
rename to assets/fonts/ibm-plex-sans/license.txt
diff --git a/assets/fonts/lilex/Lilex-Bold.ttf b/assets/fonts/lilex/Lilex-Bold.ttf
new file mode 100644
index 0000000000..45930ee30b
Binary files /dev/null and b/assets/fonts/lilex/Lilex-Bold.ttf differ
diff --git a/assets/fonts/lilex/Lilex-BoldItalic.ttf b/assets/fonts/lilex/Lilex-BoldItalic.ttf
new file mode 100644
index 0000000000..10c6ab5f74
Binary files /dev/null and b/assets/fonts/lilex/Lilex-BoldItalic.ttf differ
diff --git a/assets/fonts/lilex/Lilex-Italic.ttf b/assets/fonts/lilex/Lilex-Italic.ttf
new file mode 100644
index 0000000000..e7aef10f7e
Binary files /dev/null and b/assets/fonts/lilex/Lilex-Italic.ttf differ
diff --git a/assets/fonts/lilex/Lilex-Regular.ttf b/assets/fonts/lilex/Lilex-Regular.ttf
new file mode 100644
index 0000000000..cb98a69b0f
Binary files /dev/null and b/assets/fonts/lilex/Lilex-Regular.ttf differ
diff --git a/assets/fonts/plex-sans/license.txt b/assets/fonts/lilex/OFL.txt
similarity index 96%
rename from assets/fonts/plex-sans/license.txt
rename to assets/fonts/lilex/OFL.txt
index f72f76504c..156240bc90 100644
--- a/assets/fonts/plex-sans/license.txt
+++ b/assets/fonts/lilex/OFL.txt
@@ -1,8 +1,9 @@
-Copyright © 2017 IBM Corp. with Reserved Font Name "Plex"
+Copyright 2019 The Lilex Project Authors (https://github.com/mishamyrt/Lilex)
 
 This Font Software is licensed under the SIL Open Font License, Version 1.1.
 This license is copied below, and is also available with a FAQ at:
-http://scripts.sil.org/OFL
+https://scripts.sil.org/OFL
+
 
 -----------------------------------------------------------
 SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
@@ -89,4 +90,4 @@ COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
 DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
-OTHER DEALINGS IN THE FONT SOFTWARE.
\ No newline at end of file
+OTHER DEALINGS IN THE FONT SOFTWARE.
diff --git a/assets/fonts/plex-mono/ZedPlexMono-Bold.ttf b/assets/fonts/plex-mono/ZedPlexMono-Bold.ttf
deleted file mode 100644
index d5f4b5e285..0000000000
Binary files a/assets/fonts/plex-mono/ZedPlexMono-Bold.ttf and /dev/null differ
diff --git a/assets/fonts/plex-mono/ZedPlexMono-BoldItalic.ttf b/assets/fonts/plex-mono/ZedPlexMono-BoldItalic.ttf
deleted file mode 100644
index 05eaf7cccd..0000000000
Binary files a/assets/fonts/plex-mono/ZedPlexMono-BoldItalic.ttf and /dev/null differ
diff --git a/assets/fonts/plex-mono/ZedPlexMono-Italic.ttf b/assets/fonts/plex-mono/ZedPlexMono-Italic.ttf
deleted file mode 100644
index 3b07821757..0000000000
Binary files a/assets/fonts/plex-mono/ZedPlexMono-Italic.ttf and /dev/null differ
diff --git a/assets/fonts/plex-mono/ZedPlexMono-Regular.ttf b/assets/fonts/plex-mono/ZedPlexMono-Regular.ttf
deleted file mode 100644
index 61dbb58361..0000000000
Binary files a/assets/fonts/plex-mono/ZedPlexMono-Regular.ttf and /dev/null differ
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index d60396ad47..4236d50337 100644
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diff --git a/assets/icons/ai_mistral.svg b/assets/icons/ai_mistral.svg
index 23b8f2ef6c..f11c177e2f 100644
--- a/assets/icons/ai_mistral.svg
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diff --git a/assets/icons/ai_ollama.svg b/assets/icons/ai_ollama.svg
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index e659a472d8..e45ac315a0 100644
--- a/assets/icons/ai_open_ai.svg
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index 94f2849146..b6f5164e0b 100644
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diff --git a/assets/icons/ai_x_ai.svg b/assets/icons/ai_x_ai.svg
index 289525c8ef..d3400fbe9c 100644
--- a/assets/icons/ai_x_ai.svg
+++ b/assets/icons/ai_x_ai.svg
@@ -1,3 +1,3 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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diff --git a/assets/icons/ai_zed.svg b/assets/icons/ai_zed.svg
index 1c6bb8ad63..6d78efacd5 100644
--- a/assets/icons/ai_zed.svg
+++ b/assets/icons/ai_zed.svg
@@ -1,10 +1,3 @@
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diff --git a/assets/icons/arrow_circle.svg b/assets/icons/arrow_circle.svg
index 90e352bdea..cdfa939795 100644
--- a/assets/icons/arrow_circle.svg
+++ b/assets/icons/arrow_circle.svg
@@ -1,6 +1,6 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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-<path d="M5.77777 10.2222H3V13" stroke="black" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M12.8989 5.77778L11.6434 4.52222C10.6384 3.55068 9.29673 3.00526 7.89893 3C6.57285 3 5.30103 3.52678 4.36343 4.46447C3.78887 5.03901 3.36856 5.73897 3.12921 6.5" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M12.8989 3V5.77778H10.1211" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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+<path d="M5.87891 10.2222H3.10111V13" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/arrow_down.svg b/assets/icons/arrow_down.svg
index 7d78497e6d..60e6584c45 100644
--- a/assets/icons/arrow_down.svg
+++ b/assets/icons/arrow_down.svg
@@ -1,3 +1,3 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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+<path d="M8 13L12.5 8.5M8 13L3.5 8.5M8 13V3" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
diff --git a/assets/icons/arrow_down10.svg b/assets/icons/arrow_down10.svg
index 97ce967a8b..5933b758d9 100644
--- a/assets/icons/arrow_down10.svg
+++ b/assets/icons/arrow_down10.svg
@@ -1 +1 @@
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diff --git a/assets/icons/arrow_down_from_line.svg b/assets/icons/arrow_down_from_line.svg
deleted file mode 100644
index 89316973a0..0000000000
--- a/assets/icons/arrow_down_from_line.svg
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/assets/icons/arrow_down_right.svg b/assets/icons/arrow_down_right.svg
index b9c10263d0..ebdb06d77b 100644
--- a/assets/icons/arrow_down_right.svg
+++ b/assets/icons/arrow_down_right.svg
@@ -1 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-down-right-icon lucide-arrow-down-right"><path d="m7 7 10 10"/><path d="M17 7v10H7"/></svg>
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+<path d="M4.25 4.25L11.125 11.125" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M11.75 4.25006V11.7501H4.25" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/arrow_left.svg b/assets/icons/arrow_left.svg
index 57ee750490..f7eacb2a77 100644
--- a/assets/icons/arrow_left.svg
+++ b/assets/icons/arrow_left.svg
@@ -1,3 +1,3 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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+<path d="M3.5 7.50001L8 3M3.5 7.50001L8 12M3.5 7.50001H12.5" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
diff --git a/assets/icons/arrow_right.svg b/assets/icons/arrow_right.svg
index 7a5b1174eb..b9324af5a2 100644
--- a/assets/icons/arrow_right.svg
+++ b/assets/icons/arrow_right.svg
@@ -1,3 +1,3 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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+<path d="M12.5 8L8 12.5M12.5 8L8 3.5M12.5 8H3.5" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
diff --git a/assets/icons/arrow_right_left.svg b/assets/icons/arrow_right_left.svg
index 30331960c9..2c1211056a 100644
--- a/assets/icons/arrow_right_left.svg
+++ b/assets/icons/arrow_right_left.svg
@@ -1 +1,6 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-right-left"><path d="m16 3 4 4-4 4"/><path d="M20 7H4"/><path d="m8 21-4-4 4-4"/><path d="M4 17h16"/></svg>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M11 2L13 4.5L11 7" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M12.5 4.5H2.5" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M5 14L3 11.5L5 9" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M3 11.5H13" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/arrow_up.svg b/assets/icons/arrow_up.svg
index 81dfee8042..ff3ad44123 100644
--- a/assets/icons/arrow_up.svg
+++ b/assets/icons/arrow_up.svg
@@ -1,3 +1,3 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M7.99999 3.00001L12.5 7.50001M7.99999 3.00001L3.49999 7.50001M7.99999 3.00001L7.99999 12" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8 3L12.5 7.5M8 3L3.5 7.5M8 3V13" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
diff --git a/assets/icons/arrow_up_alt.svg b/assets/icons/arrow_up_alt.svg
deleted file mode 100644
index c8cf286a8c..0000000000
--- a/assets/icons/arrow_up_alt.svg
+++ /dev/null
@@ -1,3 +0,0 @@
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diff --git a/assets/icons/arrow_up_from_line.svg b/assets/icons/arrow_up_from_line.svg
deleted file mode 100644
index 50a075e42b..0000000000
--- a/assets/icons/arrow_up_from_line.svg
+++ /dev/null
@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-up-from-line"><path d="m18 9-6-6-6 6"/><path d="M12 3v14"/><path d="M5 21h14"/></svg>
diff --git a/assets/icons/arrow_up_right.svg b/assets/icons/arrow_up_right.svg
index 9fbafba4ec..a948ef8f81 100644
--- a/assets/icons/arrow_up_right.svg
+++ b/assets/icons/arrow_up_right.svg
@@ -1 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-up-right-icon lucide-arrow-up-right"><path d="M7 7h10v10"/><path d="M7 17 17 7"/></svg>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M4.5 11.5L11.5 4.5" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4.5 4.5L11.5 4.5L11.5 11.5" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/arrow_up_right_alt.svg b/assets/icons/arrow_up_right_alt.svg
deleted file mode 100644
index 4e923c6867..0000000000
--- a/assets/icons/arrow_up_right_alt.svg
+++ /dev/null
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diff --git a/assets/icons/at_sign.svg b/assets/icons/at_sign.svg
deleted file mode 100644
index 4cf8cd468f..0000000000
--- a/assets/icons/at_sign.svg
+++ /dev/null
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diff --git a/assets/icons/attach.svg b/assets/icons/attach.svg
new file mode 100644
index 0000000000..f923a3c7c8
--- /dev/null
+++ b/assets/icons/attach.svg
@@ -0,0 +1,3 @@
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diff --git a/assets/icons/audio_off.svg b/assets/icons/audio_off.svg
index dfb5a1c458..43d2a04344 100644
--- a/assets/icons/audio_off.svg
+++ b/assets/icons/audio_off.svg
@@ -1,7 +1,7 @@
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diff --git a/assets/icons/audio_on.svg b/assets/icons/audio_on.svg
index d1bef0d337..6e183bd585 100644
--- a/assets/icons/audio_on.svg
+++ b/assets/icons/audio_on.svg
@@ -1,5 +1,5 @@
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diff --git a/assets/icons/backspace.svg b/assets/icons/backspace.svg
index f7f1cf107a..9ef4432b6f 100644
--- a/assets/icons/backspace.svg
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@@ -1,3 +1,5 @@
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diff --git a/assets/icons/bell.svg b/assets/icons/bell.svg
index f9b2a97fb3..70225bb105 100644
--- a/assets/icons/bell.svg
+++ b/assets/icons/bell.svg
@@ -1,4 +1,4 @@
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diff --git a/assets/icons/bell_dot.svg b/assets/icons/bell_dot.svg
index 09a17401da..959a7773cf 100644
--- a/assets/icons/bell_dot.svg
+++ b/assets/icons/bell_dot.svg
@@ -1,5 +1,5 @@
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diff --git a/assets/icons/bell_off.svg b/assets/icons/bell_off.svg
index 98cbd1eb60..5c3c1a0d68 100644
--- a/assets/icons/bell_off.svg
+++ b/assets/icons/bell_off.svg
@@ -1,5 +1,5 @@
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+    <path d="M4 3L12.5 11.5" stroke="black" stroke-width="1.2" stroke-linecap="round"/>
 </svg>
diff --git a/assets/icons/bell_ring.svg b/assets/icons/bell_ring.svg
index e411e7511b..838056cc03 100644
--- a/assets/icons/bell_ring.svg
+++ b/assets/icons/bell_ring.svg
@@ -1,6 +1,6 @@
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diff --git a/assets/icons/binary.svg b/assets/icons/binary.svg
index 8f5e456d16..3c15e9b547 100644
--- a/assets/icons/binary.svg
+++ b/assets/icons/binary.svg
@@ -1 +1 @@
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diff --git a/assets/icons/blocks.svg b/assets/icons/blocks.svg
index 588d49abbc..84725d7892 100644
--- a/assets/icons/blocks.svg
+++ b/assets/icons/blocks.svg
@@ -1 +1,3 @@
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diff --git a/assets/icons/bolt.svg b/assets/icons/bolt.svg
deleted file mode 100644
index 2688ede2a5..0000000000
--- a/assets/icons/bolt.svg
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@@ -1,3 +0,0 @@
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diff --git a/assets/icons/bolt_filled.svg b/assets/icons/bolt_filled.svg
index 543e72adf8..14d8f53e02 100644
--- a/assets/icons/bolt_filled.svg
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deleted file mode 100644
index 141e1c5f57..0000000000
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new file mode 100644
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index d30f81f32e..a2ab394be4 100644
--- a/assets/icons/book.svg
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index b055d47b5f..b7afd1df5c 100644
--- a/assets/icons/book_copy.svg
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deleted file mode 100644
index 2868f07cd0..0000000000
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deleted file mode 100644
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deleted file mode 100644
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deleted file mode 100644
index ff8b8c3b88..0000000000
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deleted file mode 100644
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index 8c943e7509..015e241416 100644
--- a/assets/icons/case_sensitive.svg
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new file mode 100644
index 0000000000..c64f6b5e0e
--- /dev/null
+++ b/assets/icons/chat.svg
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index 39352682c9..21e2137965 100644
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index b48fe34631..f9b88c4ce1 100644
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index 5c17d95a6b..fabc700520 100644
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+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M11.5999 4.38336L4.99996 10.9833L2 7.98332" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M14 6.78339L9.50009 11.2833L8.6001 10.3833" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/chevron_down.svg b/assets/icons/chevron_down.svg
index b971555cfa..e4ca142a91 100644
--- a/assets/icons/chevron_down.svg
+++ b/assets/icons/chevron_down.svg
@@ -1,3 +1,3 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M3.63281 5.66406L6.99344 8.89844L10.3672 5.66406" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M4.15186 6.47321L7.99258 10.1696L11.8483 6.47321" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
diff --git a/assets/icons/chevron_down_small.svg b/assets/icons/chevron_down_small.svg
deleted file mode 100644
index 8f8a99d4b9..0000000000
--- a/assets/icons/chevron_down_small.svg
+++ /dev/null
@@ -1,3 +0,0 @@
-<svg width="12" height="12" viewBox="0 0 12 12" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M3.49574 4.74787L5.99574 7.25214L8.49574 4.74787" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
-</svg>
diff --git a/assets/icons/chevron_left.svg b/assets/icons/chevron_left.svg
index 8e61beed5d..fbe438fd4b 100644
--- a/assets/icons/chevron_left.svg
+++ b/assets/icons/chevron_left.svg
@@ -1,3 +1,3 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M8.35938 3.63281L5.125 6.99344L8.35938 10.3672" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M9.55361 4.15179L5.85718 7.99251L9.55361 11.8482" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
diff --git a/assets/icons/chevron_right.svg b/assets/icons/chevron_right.svg
index fcd9d83fc2..4f170717c9 100644
--- a/assets/icons/chevron_right.svg
+++ b/assets/icons/chevron_right.svg
@@ -1,3 +1,3 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M5.64062 3.64062L8.89062 7.00125L5.64062 10.375" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M6.44653 4.16071L10.1608 8.00143L6.44653 11.8571" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
diff --git a/assets/icons/chevron_up.svg b/assets/icons/chevron_up.svg
index 171cdd61c0..bbe6b9762d 100644
--- a/assets/icons/chevron_up.svg
+++ b/assets/icons/chevron_up.svg
@@ -1,3 +1,3 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M3.63281 8.36719L6.99344 5.13281L10.3672 8.36719" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M4.15186 9.56252L7.99258 5.86609L11.8483 9.56252" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
diff --git a/assets/icons/chevron_up_down.svg b/assets/icons/chevron_up_down.svg
index a7414ec8a0..299f6bce5a 100644
--- a/assets/icons/chevron_up_down.svg
+++ b/assets/icons/chevron_up_down.svg
@@ -1 +1,4 @@
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+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M4.66675 10L8.00008 13.3333L11.3334 10" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4.66675 6.00002L8.00008 2.66669L11.3334 6.00002" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/circle.svg b/assets/icons/circle.svg
index 67306cb12a..1d80edac09 100644
--- a/assets/icons/circle.svg
+++ b/assets/icons/circle.svg
@@ -1 +1,3 @@
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+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M8 11C9.65685 11 11 9.65685 11 8C11 6.34315 9.65685 5 8 5C6.34315 5 5 6.34315 5 8C5 9.65685 6.34315 11 8 11Z" fill="black"/>
+</svg>
diff --git a/assets/icons/circle_check.svg b/assets/icons/circle_check.svg
index adfc8cecca..8950aa7a0e 100644
--- a/assets/icons/circle_check.svg
+++ b/assets/icons/circle_check.svg
@@ -1,3 +1,3 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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+<path d="M8 2.5C11.0376 2.5 13.5 4.96243 13.5 8C13.5 11.0376 11.0376 13.5 8 13.5C4.96243 13.5 2.5 11.0376 2.5 8C2.5 4.96243 4.96243 2.5 8 2.5ZM10.6699 5.37598C10.1196 5.06178 9.40923 5.20902 9.0332 5.73535L7.17188 8.33887L6.6416 7.98633L6.62207 7.97461L6.55566 7.93457L6.54395 7.92676L6.53125 7.91992C6.00582 7.64262 5.35445 7.7754 4.97949 8.23633L4.9082 8.33301C4.55035 8.87107 4.66306 9.58687 5.15234 9.99023L5.16211 9.99805L5.17188 10.0049L5.2334 10.0508L5.25488 10.0664L6.79297 11.0918C7.35476 11.4663 8.11112 11.3257 8.50293 10.7783H8.50391L11.0684 7.18848V7.1875C11.4684 6.62649 11.3395 5.84687 10.7783 5.44531V5.44434L10.6699 5.37598Z" fill="black" stroke="black"/>
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diff --git a/assets/icons/circle_help.svg b/assets/icons/circle_help.svg
index 1a004bfff8..0e623bd1da 100644
--- a/assets/icons/circle_help.svg
+++ b/assets/icons/circle_help.svg
@@ -1 +1,5 @@
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+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M8 14C11.3137 14 14 11.3137 14 8C14 4.68629 11.3137 2 8 2C4.68629 2 2 4.68629 2 8C2 11.3137 4.68629 14 8 14Z" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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+<path d="M8 10.5H8.005" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/circle_off.svg b/assets/icons/circle_off.svg
deleted file mode 100644
index be1bf29225..0000000000
--- a/assets/icons/circle_off.svg
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/assets/icons/close.svg b/assets/icons/close.svg
index 31c5aa31a6..846b3a703d 100644
--- a/assets/icons/close.svg
+++ b/assets/icons/close.svg
@@ -1,3 +1,3 @@
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-<path d="M9.82843 4.17157L4.17157 9.82842M9.82843 9.82842L4.17157 4.17157" stroke="black" stroke-width="1.25" stroke-linecap="round"/>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M4.70581 4.5L11.294 11.5M11.294 4.5L4.70581 11.5" stroke="black" stroke-width="1.2" stroke-linecap="round"/>
 </svg>
diff --git a/assets/icons/cloud.svg b/assets/icons/cloud.svg
deleted file mode 100644
index 73a9618067..0000000000
--- a/assets/icons/cloud.svg
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/assets/icons/cloud_download.svg b/assets/icons/cloud_download.svg
index bc7a8376d1..70cda55856 100644
--- a/assets/icons/cloud_download.svg
+++ b/assets/icons/cloud_download.svg
@@ -1 +1 @@
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\ No newline at end of file
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diff --git a/assets/icons/code.svg b/assets/icons/code.svg
index 757c5a1cb6..72d145224a 100644
--- a/assets/icons/code.svg
+++ b/assets/icons/code.svg
@@ -1 +1 @@
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+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none"><path stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.2" d="m11.75 10.5 2.5-2.5-2.5-2.5M4.25 5.5 1.75 8l2.5 2.5M9.563 3 6.437 13"/></svg>
diff --git a/assets/icons/cog.svg b/assets/icons/cog.svg
index 03c0a290b7..7dd3a8beff 100644
--- a/assets/icons/cog.svg
+++ b/assets/icons/cog.svg
@@ -1 +1 @@
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diff --git a/assets/icons/command.svg b/assets/icons/command.svg
index d38389aea4..f361ca2d05 100644
--- a/assets/icons/command.svg
+++ b/assets/icons/command.svg
@@ -1,3 +1,3 @@
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diff --git a/assets/icons/context.svg b/assets/icons/context.svg
deleted file mode 100644
index 837b3aadd9..0000000000
--- a/assets/icons/context.svg
+++ /dev/null
@@ -1,6 +0,0 @@
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diff --git a/assets/icons/control.svg b/assets/icons/control.svg
index 94189dc07d..f9341b6256 100644
--- a/assets/icons/control.svg
+++ b/assets/icons/control.svg
@@ -1,3 +1,3 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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 </svg>
diff --git a/assets/icons/copilot.svg b/assets/icons/copilot.svg
index 06dbf178ae..2584cd6310 100644
--- a/assets/icons/copilot.svg
+++ b/assets/icons/copilot.svg
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diff --git a/assets/icons/copilot_disabled.svg b/assets/icons/copilot_disabled.svg
index eba36a2b69..90afa84966 100644
--- a/assets/icons/copilot_disabled.svg
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diff --git a/assets/icons/copilot_error.svg b/assets/icons/copilot_error.svg
index 6069c554f1..77744e7529 100644
--- a/assets/icons/copilot_error.svg
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diff --git a/assets/icons/copilot_init.svg b/assets/icons/copilot_init.svg
index 6cbf63fb49..754d159584 100644
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index 7a3cdcf6da..aba193930b 100644
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diff --git a/assets/icons/countdown_timer.svg b/assets/icons/countdown_timer.svg
index b9b7479228..5d1e775e68 100644
--- a/assets/icons/countdown_timer.svg
+++ b/assets/icons/countdown_timer.svg
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diff --git a/assets/icons/crosshair.svg b/assets/icons/crosshair.svg
index 006c6362aa..3af6aa9fa3 100644
--- a/assets/icons/crosshair.svg
+++ b/assets/icons/crosshair.svg
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-<path d="M7 4.5V2" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
-<path d="M7 11.5V9" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M8 14C11.3137 14 14 11.3137 14 8C14 4.6863 11.3137 2 8 2C4.6863 2 2 4.6863 2 8C2 11.3137 4.6863 14 8 14Z" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M14 8L11 8" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M5 8H2" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8 5V2" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8 14V11" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/cursor_i_beam.svg b/assets/icons/cursor_i_beam.svg
index 3790de6f49..2d513181f9 100644
--- a/assets/icons/cursor_i_beam.svg
+++ b/assets/icons/cursor_i_beam.svg
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 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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diff --git a/assets/icons/dash.svg b/assets/icons/dash.svg
index efff9eab5e..3928ee7cfa 100644
--- a/assets/icons/dash.svg
+++ b/assets/icons/dash.svg
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+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none"><path stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.2" d="M3.333 8h9.334"/></svg>
diff --git a/assets/icons/database_zap.svg b/assets/icons/database_zap.svg
index 06241b35f4..76af0f9251 100644
--- a/assets/icons/database_zap.svg
+++ b/assets/icons/database_zap.svg
@@ -1 +1 @@
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diff --git a/assets/icons/debug.svg b/assets/icons/debug.svg
index ff51e42b1a..6423a2b090 100644
--- a/assets/icons/debug.svg
+++ b/assets/icons/debug.svg
@@ -1,12 +1,12 @@
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diff --git a/assets/icons/debug_breakpoint.svg b/assets/icons/debug_breakpoint.svg
index f6a7b35658..c09a3c159f 100644
--- a/assets/icons/debug_breakpoint.svg
+++ b/assets/icons/debug_breakpoint.svg
@@ -1 +1,3 @@
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+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M8 14C11.3137 14 14 11.3137 14 8C14 4.68629 11.3137 2 8 2C4.68629 2 2 4.68629 2 8C2 11.3137 4.68629 14 8 14Z" fill="black" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/debug_continue.svg b/assets/icons/debug_continue.svg
index e2a99c38d0..f03a8b2364 100644
--- a/assets/icons/debug_continue.svg
+++ b/assets/icons/debug_continue.svg
@@ -1 +1 @@
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diff --git a/assets/icons/debug_detach.svg b/assets/icons/debug_detach.svg
index 0eb2537152..8b34845571 100644
--- a/assets/icons/debug_detach.svg
+++ b/assets/icons/debug_detach.svg
@@ -1 +1 @@
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diff --git a/assets/icons/debug_disabled_breakpoint.svg b/assets/icons/debug_disabled_breakpoint.svg
index a7260ec04b..9a7c896f47 100644
--- a/assets/icons/debug_disabled_breakpoint.svg
+++ b/assets/icons/debug_disabled_breakpoint.svg
@@ -1 +1,3 @@
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+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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+</svg>
diff --git a/assets/icons/debug_disabled_log_breakpoint.svg b/assets/icons/debug_disabled_log_breakpoint.svg
index d0bb2c8e2b..f477f4f32d 100644
--- a/assets/icons/debug_disabled_log_breakpoint.svg
+++ b/assets/icons/debug_disabled_log_breakpoint.svg
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+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M11.8889 2H4.11111C3.49746 2 3 2.59695 3 3.33333V12.6667C3 13.403 3.49746 14 4.11111 14H11.8889C12.5025 14 13 13.403 13 12.6667V3.33333C13 2.59695 12.5025 2 11.8889 2Z" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M9 6H6" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M10 10H6" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/debug_ignore_breakpoints.svg b/assets/icons/debug_ignore_breakpoints.svg
index ba7074e083..bc95329c7a 100644
--- a/assets/icons/debug_ignore_breakpoints.svg
+++ b/assets/icons/debug_ignore_breakpoints.svg
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+</svg>
diff --git a/assets/icons/debug_log_breakpoint.svg b/assets/icons/debug_log_breakpoint.svg
index a878ce3e04..22eae9d029 100644
--- a/assets/icons/debug_log_breakpoint.svg
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diff --git a/assets/icons/debug_pause.svg b/assets/icons/debug_pause.svg
index bea531bc5a..65e1949581 100644
--- a/assets/icons/debug_pause.svg
+++ b/assets/icons/debug_pause.svg
@@ -1 +1,4 @@
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diff --git a/assets/icons/debug_restart.svg b/assets/icons/debug_restart.svg
deleted file mode 100644
index 4eff13b94b..0000000000
--- a/assets/icons/debug_restart.svg
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diff --git a/assets/icons/debug_step_back.svg b/assets/icons/debug_step_back.svg
index bc7c9b8444..61d45866f6 100644
--- a/assets/icons/debug_step_back.svg
+++ b/assets/icons/debug_step_back.svg
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diff --git a/assets/icons/debug_step_into.svg b/assets/icons/debug_step_into.svg
index 69e5cff3f1..9a517fc7ca 100644
--- a/assets/icons/debug_step_into.svg
+++ b/assets/icons/debug_step_into.svg
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-  <path d="M12 8v14"/>
-  <circle cx="12" cy="3" r="1"/>
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diff --git a/assets/icons/debug_step_out.svg b/assets/icons/debug_step_out.svg
index 680e13e65e..147a44f930 100644
--- a/assets/icons/debug_step_out.svg
+++ b/assets/icons/debug_step_out.svg
@@ -1,5 +1 @@
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-  <path d="M12 17V2"/>
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diff --git a/assets/icons/debug_step_over.svg b/assets/icons/debug_step_over.svg
index 005b901da3..336abc11de 100644
--- a/assets/icons/debug_step_over.svg
+++ b/assets/icons/debug_step_over.svg
@@ -1,5 +1 @@
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diff --git a/assets/icons/debug_stop.svg b/assets/icons/debug_stop.svg
deleted file mode 100644
index fef651c586..0000000000
--- a/assets/icons/debug_stop.svg
+++ /dev/null
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diff --git a/assets/icons/delete.svg b/assets/icons/delete.svg
deleted file mode 100644
index a7edbb6158..0000000000
--- a/assets/icons/delete.svg
+++ /dev/null
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diff --git a/assets/icons/diff.svg b/assets/icons/diff.svg
index ca43c379da..9d93b2d5b4 100644
--- a/assets/icons/diff.svg
+++ b/assets/icons/diff.svg
@@ -1 +1 @@
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diff --git a/assets/icons/disconnected.svg b/assets/icons/disconnected.svg
index 37d0ee904c..47bd1db478 100644
--- a/assets/icons/disconnected.svg
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@@ -1,3 +1 @@
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diff --git a/assets/icons/document_text.svg b/assets/icons/document_text.svg
deleted file mode 100644
index 78c08d92f9..0000000000
--- a/assets/icons/document_text.svg
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diff --git a/assets/icons/download.svg b/assets/icons/download.svg
index 2ffa65e8ac..6c105d3fd7 100644
--- a/assets/icons/download.svg
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@@ -1 +1 @@
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diff --git a/assets/icons/editor_atom.svg b/assets/icons/editor_atom.svg
new file mode 100644
index 0000000000..cc5fa83843
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new file mode 100644
index 0000000000..338697be8a
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new file mode 100644
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new file mode 100644
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new file mode 100644
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index 1858c65520..22b5a8fd46 100644
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index 077dbe8778..c38437667e 100644
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index 0f5e95f968..273cc6de26 100644
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deleted file mode 100644
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index edb893a8c6..ca6209785f 100644
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index 00c772a2ad..1898588a67 100644
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index 1ff9d78824..3619a55c87 100644
--- a/assets/icons/exit.svg
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+<path d="M11.1998 9.60002L7.9998 12.8M7.9998 12.8L4.7998 9.60002M7.9998 12.8V6.40002" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/expand_up.svg b/assets/icons/expand_up.svg
index 30f9af92e3..49b084fa8f 100644
--- a/assets/icons/expand_up.svg
+++ b/assets/icons/expand_up.svg
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-<path d="M5 11.5H10" stroke="black"/>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M4.80005 6.93334L8.00005 3.73334M8.00005 3.73334L11.2 6.93334M8.00005 3.73334V10.1333" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M5.3335 12.8H10.6668" stroke="black" stroke-width="1.2" stroke-linecap="round"/>
 </svg>
diff --git a/assets/icons/expand_vertical.svg b/assets/icons/expand_vertical.svg
index e278911478..5a5fa8ccb5 100644
--- a/assets/icons/expand_vertical.svg
+++ b/assets/icons/expand_vertical.svg
@@ -1 +1 @@
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diff --git a/assets/icons/external_link.svg b/assets/icons/external_link.svg
deleted file mode 100644
index 561f012452..0000000000
--- a/assets/icons/external_link.svg
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diff --git a/assets/icons/eye.svg b/assets/icons/eye.svg
index 21e3d3ba63..327fa751e9 100644
--- a/assets/icons/eye.svg
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+</svg>
diff --git a/assets/icons/file.svg b/assets/icons/file.svg
index 5b1b892756..60cf2537d9 100644
--- a/assets/icons/file.svg
+++ b/assets/icons/file.svg
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-</svg>
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index 0a15da7705..548d5a153b 100644
--- a/assets/icons/file_code.svg
+++ b/assets/icons/file_code.svg
@@ -1 +1 @@
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diff --git a/assets/icons/file_create.svg b/assets/icons/file_create.svg
deleted file mode 100644
index bd7f88a7ec..0000000000
--- a/assets/icons/file_create.svg
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diff --git a/assets/icons/file_diff.svg b/assets/icons/file_diff.svg
index ff20f16c60..193dd7392f 100644
--- a/assets/icons/file_diff.svg
+++ b/assets/icons/file_diff.svg
@@ -1 +1 @@
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diff --git a/assets/icons/file_doc.svg b/assets/icons/file_doc.svg
index 3b11995f36..ccd5eeea01 100644
--- a/assets/icons/file_doc.svg
+++ b/assets/icons/file_doc.svg
@@ -1,6 +1,6 @@
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diff --git a/assets/icons/file_generic.svg b/assets/icons/file_generic.svg
index 3c72bd3320..790a5f18d7 100644
--- a/assets/icons/file_generic.svg
+++ b/assets/icons/file_generic.svg
@@ -1,5 +1,5 @@
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-<path d="M3 11H9" stroke="black" stroke-width="1.5" stroke-linecap="round"/>
+<path d="M3 5H11" stroke="black" stroke-width="1.2" stroke-linecap="round"/>
+<path d="M3 8H13" stroke="black" stroke-width="1.2" stroke-linecap="round"/>
+<path d="M3 11H9" stroke="black" stroke-width="1.2" stroke-linecap="round"/>
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diff --git a/assets/icons/file_git.svg b/assets/icons/file_git.svg
index 197db2e9e6..2b36b0ffd3 100644
--- a/assets/icons/file_git.svg
+++ b/assets/icons/file_git.svg
@@ -1,6 +1,6 @@
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diff --git a/assets/icons/file_icons/ai.svg b/assets/icons/file_icons/ai.svg
index d60396ad47..4236d50337 100644
--- a/assets/icons/file_icons/ai.svg
+++ b/assets/icons/file_icons/ai.svg
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diff --git a/assets/icons/file_icons/audio.svg b/assets/icons/file_icons/audio.svg
index 672f736c95..7948b04616 100644
--- a/assets/icons/file_icons/audio.svg
+++ b/assets/icons/file_icons/audio.svg
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+<path d="M3.5 6.66666V8.66666" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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+<path d="M7.5 3V13" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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+<path d="M13.5 6.66666V8.66666" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/file_icons/book.svg b/assets/icons/file_icons/book.svg
index 3b11995f36..ccd5eeea01 100644
--- a/assets/icons/file_icons/book.svg
+++ b/assets/icons/file_icons/book.svg
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index 48af8b3088..ca1ec900bc 100644
--- a/assets/icons/file_icons/bun.svg
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index 9e60e40cf4..9918f6c9f7 100644
--- a/assets/icons/file_icons/chevron_down.svg
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-<path d="M4.63281 6.66406L7.99344 9.89844L11.3672 6.66406" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4.63281 6.66406L7.99344 9.89844L11.3672 6.66406" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/file_icons/chevron_left.svg b/assets/icons/file_icons/chevron_left.svg
index a2aa9ad996..3299ee7168 100644
--- a/assets/icons/file_icons/chevron_left.svg
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@@ -1,3 +1,3 @@
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-<path d="M9.35938 4.63281L6.125 7.99344L9.35938 11.3672" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M9.35938 4.63281L6.125 7.99344L9.35938 11.3672" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/file_icons/chevron_right.svg b/assets/icons/file_icons/chevron_right.svg
index 06608c95ee..140f644127 100644
--- a/assets/icons/file_icons/chevron_right.svg
+++ b/assets/icons/file_icons/chevron_right.svg
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-<path d="M6.64062 4.64062L9.89062 8.00125L6.64062 11.375" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M6.64062 4.64062L9.89062 8.00125L6.64062 11.375" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/file_icons/chevron_up.svg b/assets/icons/file_icons/chevron_up.svg
index fd3d5e4470..ae8c12a989 100644
--- a/assets/icons/file_icons/chevron_up.svg
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-<path d="M4.63281 9.36719L7.99344 6.13281L11.3672 9.36719" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4.63281 9.36719L7.99344 6.13281L11.3672 9.36719" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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index 5f012f8838..af2f6c5dc0 100644
--- a/assets/icons/file_icons/code.svg
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diff --git a/assets/icons/file_icons/coffeescript.svg b/assets/icons/file_icons/coffeescript.svg
index fc49df62c0..e91d187615 100644
--- a/assets/icons/file_icons/coffeescript.svg
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-    <circle cx="4" cy="10.5" r="1.75" stroke="black" stroke-width="1.5"/>
+    <circle cx="4" cy="10.5" r="1.75" stroke="black" stroke-width="1.2"/>
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diff --git a/assets/icons/file_icons/conversations.svg b/assets/icons/file_icons/conversations.svg
index cef764661f..e25ed973ef 100644
--- a/assets/icons/file_icons/conversations.svg
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diff --git a/assets/icons/file_icons/dart.svg b/assets/icons/file_icons/dart.svg
index fd3ab01c93..c9ec3de51a 100644
--- a/assets/icons/file_icons/dart.svg
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+    <path d="M12 11.25H11.25V12V13.25H7.31066L2.35809 8.29743L3.60151 4.56717L7.81937 2.88003L13.25 8.31066V11.25H12Z" stroke="black" stroke-width="1.2"/>
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diff --git a/assets/icons/file_icons/database.svg b/assets/icons/file_icons/database.svg
index 10fbdcbff4..a8226110d3 100644
--- a/assets/icons/file_icons/database.svg
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diff --git a/assets/icons/file_icons/diff.svg b/assets/icons/file_icons/diff.svg
index 07c46f1799..ec59a0aabe 100644
--- a/assets/icons/file_icons/diff.svg
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-<path d="M5 13H12" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8.5 3L8.5 10" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M5 6.5H12" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M5 13H12" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/file_icons/eslint.svg b/assets/icons/file_icons/eslint.svg
index 0f42abe691..ba72d9166b 100644
--- a/assets/icons/file_icons/eslint.svg
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+    <path d="M13.5413 8.31248C13.6529 8.11911 13.6529 7.88086 13.5413 7.68748L11.0413 3.35736C10.9296 3.16398 10.7233 3.04486 10.5 3.04486H5.5C5.27671 3.04486 5.07038 3.16398 4.95873 3.35736L2.45873 7.68748C2.34709 7.88086 2.34709 8.11911 2.45873 8.31248L4.95873 12.6426C5.07038 12.836 5.27671 12.9551 5.5 12.9551H10.5C10.7233 12.9551 10.9296 12.836 11.0413 12.6426L13.5413 8.31248Z" stroke="black" stroke-width="1.2" stroke-linejoin="round"/>
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diff --git a/assets/icons/file_icons/file.svg b/assets/icons/file_icons/file.svg
index 3c72bd3320..790a5f18d7 100644
--- a/assets/icons/file_icons/file.svg
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@@ -1,5 +1,5 @@
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-<path d="M3 11H9" stroke="black" stroke-width="1.5" stroke-linecap="round"/>
+<path d="M3 5H11" stroke="black" stroke-width="1.2" stroke-linecap="round"/>
+<path d="M3 8H13" stroke="black" stroke-width="1.2" stroke-linecap="round"/>
+<path d="M3 11H9" stroke="black" stroke-width="1.2" stroke-linecap="round"/>
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diff --git a/assets/icons/file_icons/folder.svg b/assets/icons/file_icons/folder.svg
index a76dc63d1a..e40613000d 100644
--- a/assets/icons/file_icons/folder.svg
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diff --git a/assets/icons/file_icons/folder_open.svg b/assets/icons/file_icons/folder_open.svg
index ef37f55f83..55231fb6ab 100644
--- a/assets/icons/file_icons/folder_open.svg
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index 6a3dc2c96f..0399bb4dd2 100644
--- a/assets/icons/file_icons/gleam.svg
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index 9688472599..e6c0368182 100644
--- a/assets/icons/file_icons/graphql.svg
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index 2241904266..77e6c60072 100644
--- a/assets/icons/file_icons/hash.svg
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index 826a88646b..732adf72cb 100644
--- a/assets/icons/file_icons/heroku.svg
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index 41f254dd68..8832bcba3a 100644
--- a/assets/icons/file_icons/html.svg
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index 75e64c0a43..c89de1b128 100644
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index 63ce6e768c..70d2d10ed7 100644
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new file mode 100644
index 0000000000..92d9f28428
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index 6bfef249b4..10ae33869a 100644
--- a/assets/icons/file_icons/lock.svg
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index 75c3e76c80..d0440d905c 100644
--- a/assets/icons/file_icons/magnifying_glass.svg
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index 879a4d76aa..215d58a035 100644
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index b72ebc3967..968d5c5982 100644
--- a/assets/icons/file_icons/notebook.svg
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index 12889e8084..16bbccb2e6 100644
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index b61b8beda7..5db68b4e44 100644
--- a/assets/icons/file_icons/phoenix.svg
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index f343d5dd87..3449da3ecd 100644
--- a/assets/icons/file_icons/plus.svg
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diff --git a/assets/icons/file_icons/prettier.svg b/assets/icons/file_icons/prettier.svg
index 835bd3a126..f01230c33c 100644
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+    <path d="M3 3.86328H9.51563" stroke="black" stroke-width="1.2" stroke-linecap="round"/>
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index 86a15d41bc..509cc5f4d0 100644
--- a/assets/icons/file_icons/project.svg
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new file mode 100644
index 0000000000..cdf903bc62
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index de904d8e04..b44fdc539d 100644
--- a/assets/icons/file_icons/python.svg
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diff --git a/assets/icons/file_icons/replace.svg b/assets/icons/file_icons/replace.svg
index 837cb23b66..287328e82e 100644
--- a/assets/icons/file_icons/replace.svg
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index 72511be70a..a9a9fc91f5 100644
--- a/assets/icons/file_icons/replace_next.svg
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index 5db753628a..9e4dc57adb 100644
--- a/assets/icons/file_icons/rust.svg
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index 9e89d1fa82..0884cc96f4 100644
--- a/assets/icons/file_icons/scala.svg
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index 081d25bf48..d308135ff1 100644
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index bb15b0f8e7..1bd7c4a551 100644
--- a/assets/icons/file_icons/tcl.svg
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index 9ab78af50f..ae31911d6a 100644
--- a/assets/icons/file_icons/toml.svg
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index b96e359edb..c249d4c82b 100644
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index 1cbe08dff5..1f993e90ef 100644
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index 6bfef249b4..10ae33869a 100644
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new file mode 100644
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index 5db753628a..9e4dc57adb 100644
--- a/assets/icons/file_rust.svg
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deleted file mode 100644
index ddf5b14770..0000000000
--- a/assets/icons/file_search.svg
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diff --git a/assets/icons/file_text.svg b/assets/icons/file_text.svg
deleted file mode 100644
index 7c602f2ac7..0000000000
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new file mode 100644
index 0000000000..15c81cca62
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diff --git a/assets/icons/file_text_outlined.svg b/assets/icons/file_text_outlined.svg
new file mode 100644
index 0000000000..d2e8897251
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index 9ab78af50f..ae31911d6a 100644
--- a/assets/icons/file_toml.svg
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index a140cd70b1..baf0e26ce6 100644
--- a/assets/icons/file_tree.svg
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index 7391fea132..4aa14e93c0 100644
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index 075e027a5c..89fc6cab1e 100644
--- a/assets/icons/flame.svg
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index 1a40805a70..35f4c1f8ac 100644
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diff --git a/assets/icons/folder_open.svg b/assets/icons/folder_open.svg
index ef37f55f83..55231fb6ab 100644
--- a/assets/icons/folder_open.svg
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diff --git a/assets/icons/folder_search.svg b/assets/icons/folder_search.svg
new file mode 100644
index 0000000000..207ea5c10e
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deleted file mode 100644
index b0f06f68eb..0000000000
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index 861ab1a415..47633a58c9 100644
--- a/assets/icons/font.svg
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diff --git a/assets/icons/font_size.svg b/assets/icons/font_size.svg
index cfba2deb6c..4286277bd9 100644
--- a/assets/icons/font_size.svg
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index 3ebbfa77bc..410f43ec6e 100644
--- a/assets/icons/font_weight.svg
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index 0a7b71993f..e51796e554 100644
--- a/assets/icons/forward_arrow.svg
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diff --git a/assets/icons/function.svg b/assets/icons/function.svg
deleted file mode 100644
index 5d0b9d58ef..0000000000
--- a/assets/icons/function.svg
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index e44abd8f06..f1d7da44ef 100644
--- a/assets/icons/generic_maximize.svg
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diff --git a/assets/icons/generic_restore.svg b/assets/icons/generic_restore.svg
index 3bf581f2cd..d8a3d72bcd 100644
--- a/assets/icons/generic_restore.svg
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diff --git a/assets/icons/git_branch.svg b/assets/icons/git_branch.svg
index db6190a9c8..fc6dcfe1b2 100644
--- a/assets/icons/git_branch.svg
+++ b/assets/icons/git_branch.svg
@@ -1 +1 @@
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diff --git a/assets/icons/git_branch_alt.svg b/assets/icons/git_branch_alt.svg
new file mode 100644
index 0000000000..cf40195d8b
--- /dev/null
+++ b/assets/icons/git_branch_alt.svg
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diff --git a/assets/icons/git_branch_small.svg b/assets/icons/git_branch_small.svg
deleted file mode 100644
index 22832d6fed..0000000000
--- a/assets/icons/git_branch_small.svg
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diff --git a/assets/icons/git_onboarding_bg.svg b/assets/icons/git_onboarding_bg.svg
deleted file mode 100644
index 18da0230a2..0000000000
--- a/assets/icons/git_onboarding_bg.svg
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diff --git a/assets/icons/github.svg b/assets/icons/github.svg
index 28148b9894..0a12c9b656 100644
--- a/assets/icons/github.svg
+++ b/assets/icons/github.svg
@@ -1 +1 @@
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diff --git a/assets/icons/globe.svg b/assets/icons/globe.svg
deleted file mode 100644
index 545b83aa71..0000000000
--- a/assets/icons/globe.svg
+++ /dev/null
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diff --git a/assets/icons/hammer.svg b/assets/icons/hammer.svg
deleted file mode 100644
index ccc0d30e3d..0000000000
--- a/assets/icons/hammer.svg
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index f685245ed3..afc1f9c0b5 100644
--- a/assets/icons/hash.svg
+++ b/assets/icons/hash.svg
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diff --git a/assets/icons/history_rerun.svg b/assets/icons/history_rerun.svg
index 9ade606b31..e11e754318 100644
--- a/assets/icons/history_rerun.svg
+++ b/assets/icons/history_rerun.svg
@@ -1,5 +1,5 @@
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diff --git a/assets/icons/image.svg b/assets/icons/image.svg
index 4b17300f47..e0d73d7621 100644
--- a/assets/icons/image.svg
+++ b/assets/icons/image.svg
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diff --git a/assets/icons/info.svg b/assets/icons/info.svg
index f3d2e6644f..c000f25867 100644
--- a/assets/icons/info.svg
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diff --git a/assets/icons/inlay_hint.svg b/assets/icons/inlay_hint.svg
deleted file mode 100644
index c8e6bb2d36..0000000000
--- a/assets/icons/inlay_hint.svg
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diff --git a/assets/icons/json.svg b/assets/icons/json.svg
new file mode 100644
index 0000000000..af2f6c5dc0
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diff --git a/assets/icons/keyboard.svg b/assets/icons/keyboard.svg
index 8bdc054a65..82791cda3f 100644
--- a/assets/icons/keyboard.svg
+++ b/assets/icons/keyboard.svg
@@ -1 +1 @@
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diff --git a/assets/icons/knockouts/x_fg.svg b/assets/icons/knockouts/x_fg.svg
index a3d47f1373..f459954f72 100644
--- a/assets/icons/knockouts/x_fg.svg
+++ b/assets/icons/knockouts/x_fg.svg
@@ -1,3 +1,3 @@
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-<path d="M3 3L5.5 5.5M8 8L5.5 5.5M5.5 5.5L3 8M5.5 5.5L8 3" stroke="black" stroke-width="1.5"/>
+<path d="M3 3L5.5 5.5M8 8L5.5 5.5M5.5 5.5L3 8M5.5 5.5L8 3" stroke="black" stroke-width="1.2"/>
 </svg>
diff --git a/assets/icons/layout.svg b/assets/icons/layout.svg
deleted file mode 100644
index 79464013b1..0000000000
--- a/assets/icons/layout.svg
+++ /dev/null
@@ -1,5 +0,0 @@
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-</svg>
diff --git a/assets/icons/library.svg b/assets/icons/library.svg
index 95f8c710c8..fc7f5afcd2 100644
--- a/assets/icons/library.svg
+++ b/assets/icons/library.svg
@@ -1 +1,6 @@
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+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M10.6667 4L13.3334 13.3333" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8 4V13.3333" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M5.33325 5.33331V13.3333" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M2.66675 2.66669V13.3334" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/light_bulb.svg b/assets/icons/light_bulb.svg
deleted file mode 100644
index 61a8f04211..0000000000
--- a/assets/icons/light_bulb.svg
+++ /dev/null
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diff --git a/assets/icons/line_height.svg b/assets/icons/line_height.svg
index 904cfad8a8..3929fc4080 100644
--- a/assets/icons/line_height.svg
+++ b/assets/icons/line_height.svg
@@ -1,6 +1 @@
-<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M4 13.6667H12" stroke="#B3B3B3" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
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-<path d="M6 9H10" stroke="#B3B3B3" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
-</svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none"><path stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.2" d="M4 13.667h8M4 2.333h8M5 11l3-6 3 6M6 9h4"/></svg>
diff --git a/assets/icons/link.svg b/assets/icons/link.svg
deleted file mode 100644
index 4925bd8e00..0000000000
--- a/assets/icons/link.svg
+++ /dev/null
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diff --git a/assets/icons/list_collapse.svg b/assets/icons/list_collapse.svg
index a0e0ed604d..f18bc550b9 100644
--- a/assets/icons/list_collapse.svg
+++ b/assets/icons/list_collapse.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-list-collapse-icon lucide-list-collapse"><path d="m3 10 2.5-2.5L3 5"/><path d="m3 19 2.5-2.5L3 14"/><path d="M10 6h11"/><path d="M10 12h11"/><path d="M10 18h11"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none"><path stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.2" d="M2.857 6.857 4.286 5.43 2.857 4M2.857 12l1.429-1.429-1.429-1.428M6.857 4.571h6.286M6.857 8h6.286M6.857 11.428h6.286"/></svg>
diff --git a/assets/icons/list_todo.svg b/assets/icons/list_todo.svg
index 1f50219418..709f26d89d 100644
--- a/assets/icons/list_todo.svg
+++ b/assets/icons/list_todo.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-list-todo-icon lucide-list-todo"><rect x="3" y="5" width="6" height="6" rx="1"/><path d="m3 17 2 2 4-4"/><path d="M13 6h8"/><path d="M13 12h8"/><path d="M13 18h8"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none"><path stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.2" d="M5.333 3.333H2.667A.667.667 0 0 0 2 4v2.667c0 .368.298.666.667.666h2.666A.667.667 0 0 0 6 6.667V4a.667.667 0 0 0-.667-.667ZM2 11.333l1.333 1.334L6 10M8.667 4H14M8.667 8H14M8.667 12H14"/></svg>
diff --git a/assets/icons/list_tree.svg b/assets/icons/list_tree.svg
index 09872a60f7..de3e0f3a57 100644
--- a/assets/icons/list_tree.svg
+++ b/assets/icons/list_tree.svg
@@ -1,7 +1,7 @@
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-<path d="M13.5 8H9.5" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
-<path d="M13.5 4L6.5 4" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
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-<path d="M3 6V10.5C3 11.325 3.72 12 4.6 12H7" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M13.5 8H9.5" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M13.5 4L6.5 4" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M13.5 12H9.5" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M3 3.5V6.33333C3 7.25 3.72 8 4.6 8H7" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M3 6V10.5C3 11.325 3.72 12 4.6 12H7" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/list_x.svg b/assets/icons/list_x.svg
index 683f38ab5d..0fa3bd68fb 100644
--- a/assets/icons/list_x.svg
+++ b/assets/icons/list_x.svg
@@ -1,7 +1,7 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M8.33333 8H3" stroke="#FBF1C7" stroke-linecap="round" stroke-linejoin="round"/>
-<path d="M11.6667 4H3" stroke="#FBF1C7" stroke-linecap="round" stroke-linejoin="round"/>
-<path d="M11.6667 12H3" stroke="#FBF1C7" stroke-linecap="round" stroke-linejoin="round"/>
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-<path d="M11 6.66663L13.6667 9.33329" stroke="#FBF1C7" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8.33333 8H3" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M11.6667 4H3" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M11.6667 12H3" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M13.6667 6.66663L11 9.33329" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M11 6.66663L13.6667 9.33329" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/load_circle.svg b/assets/icons/load_circle.svg
index c4de36b1ff..eecf099310 100644
--- a/assets/icons/load_circle.svg
+++ b/assets/icons/load_circle.svg
@@ -1 +1 @@
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+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none"><path stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.2" d="M13 8a5 5 0 1 1-3.455-4.755"/></svg>
diff --git a/assets/icons/location_edit.svg b/assets/icons/location_edit.svg
index de82e8db4e..e342652eb1 100644
--- a/assets/icons/location_edit.svg
+++ b/assets/icons/location_edit.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-location-edit-icon lucide-location-edit"><path d="M17.97 9.304A8 8 0 0 0 2 10c0 4.69 4.887 9.562 7.022 11.468"/><path d="M21.378 16.626a1 1 0 0 0-3.004-3.004l-4.01 4.012a2 2 0 0 0-.506.854l-.837 2.87a.5.5 0 0 0 .62.62l2.87-.837a2 2 0 0 0 .854-.506z"/><circle cx="10" cy="10" r="3"/></svg>
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diff --git a/assets/icons/lock_outlined.svg b/assets/icons/lock_outlined.svg
index 0bfd2fdc82..d69a245603 100644
--- a/assets/icons/lock_outlined.svg
+++ b/assets/icons/lock_outlined.svg
@@ -1,6 +1,6 @@
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-<path d="M8 9V11" stroke="black" stroke-width="1.5" stroke-linecap="round"/>
+<path d="M5 5C5 3.89543 5.89543 3 7 3H9C10.1046 3 11 3.89543 11 5V6H5V5Z" stroke="black" stroke-width="1.2"/>
+<path d="M8 9V11" stroke="black" stroke-width="1.2" stroke-linecap="round"/>
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-<rect x="3.75" y="5.75" width="8.5" height="7.5" rx="1.25" stroke="black" stroke-width="1.5" stroke-linejoin="round"/>
+<rect x="3.75" y="5.75" width="8.5" height="7.5" rx="1.25" stroke="black" stroke-width="1.2" stroke-linejoin="round"/>
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diff --git a/assets/icons/logo_96.svg b/assets/icons/logo_96.svg
deleted file mode 100644
index dc98bb8bc2..0000000000
--- a/assets/icons/logo_96.svg
+++ /dev/null
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diff --git a/assets/icons/lsp_debug.svg b/assets/icons/lsp_debug.svg
deleted file mode 100644
index aa49fcb6a2..0000000000
--- a/assets/icons/lsp_debug.svg
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diff --git a/assets/icons/lsp_restart.svg b/assets/icons/lsp_restart.svg
deleted file mode 100644
index dfc68e7a9e..0000000000
--- a/assets/icons/lsp_restart.svg
+++ /dev/null
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diff --git a/assets/icons/lsp_stop.svg b/assets/icons/lsp_stop.svg
deleted file mode 100644
index c6311d2155..0000000000
--- a/assets/icons/lsp_stop.svg
+++ /dev/null
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diff --git a/assets/icons/magnifying_glass.svg b/assets/icons/magnifying_glass.svg
index 75c3e76c80..24f00bb51b 100644
--- a/assets/icons/magnifying_glass.svg
+++ b/assets/icons/magnifying_glass.svg
@@ -1,3 +1,4 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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diff --git a/assets/icons/mail_open.svg b/assets/icons/mail_open.svg
deleted file mode 100644
index b857037b86..0000000000
--- a/assets/icons/mail_open.svg
+++ /dev/null
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diff --git a/assets/icons/maximize.svg b/assets/icons/maximize.svg
index b3504b5701..7b6d26fed8 100644
--- a/assets/icons/maximize.svg
+++ b/assets/icons/maximize.svg
@@ -1 +1,6 @@
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+<path d="M6 13H3V10" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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+<path d="M3 13L6.5 9.5" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/menu.svg b/assets/icons/menu.svg
index 6598697ff8..f12ce47f7e 100644
--- a/assets/icons/menu.svg
+++ b/assets/icons/menu.svg
@@ -1 +1 @@
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diff --git a/assets/icons/menu_alt.svg b/assets/icons/menu_alt.svg
index ae3581ba01..b9cc19e22f 100644
--- a/assets/icons/menu_alt.svg
+++ b/assets/icons/menu_alt.svg
@@ -1,5 +1,3 @@
-<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
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+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M2.66699 8H10.667M2.66699 4H13.333M2.66699 12H7.99999" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/menu_alt_temp.svg b/assets/icons/menu_alt_temp.svg
new file mode 100644
index 0000000000..87add13216
--- /dev/null
+++ b/assets/icons/menu_alt_temp.svg
@@ -0,0 +1,3 @@
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+<path d="M13.333 10H8M13.333 6H2.66701" stroke="black" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/message_bubbles.svg b/assets/icons/message_bubbles.svg
deleted file mode 100644
index 03a6c7760c..0000000000
--- a/assets/icons/message_bubbles.svg
+++ /dev/null
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diff --git a/assets/icons/mic.svg b/assets/icons/mic.svg
index 1d9c5bc9ed..000d135ea5 100644
--- a/assets/icons/mic.svg
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diff --git a/assets/icons/mic_mute.svg b/assets/icons/mic_mute.svg
index 8c61ae2f1c..8bc63be610 100644
--- a/assets/icons/mic_mute.svg
+++ b/assets/icons/mic_mute.svg
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diff --git a/assets/icons/microscope.svg b/assets/icons/microscope.svg
deleted file mode 100644
index 2b3009a28b..0000000000
--- a/assets/icons/microscope.svg
+++ /dev/null
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diff --git a/assets/icons/minimize.svg b/assets/icons/minimize.svg
index 0451233cc9..082ade47db 100644
--- a/assets/icons/minimize.svg
+++ b/assets/icons/minimize.svg
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diff --git a/assets/icons/new_from_summary.svg b/assets/icons/new_from_summary.svg
deleted file mode 100644
index 3b61ca51a0..0000000000
--- a/assets/icons/new_from_summary.svg
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diff --git a/assets/icons/new_text_thread.svg b/assets/icons/new_text_thread.svg
deleted file mode 100644
index 75afa934a0..0000000000
--- a/assets/icons/new_text_thread.svg
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diff --git a/assets/icons/notepad.svg b/assets/icons/notepad.svg
new file mode 100644
index 0000000000..27fd35566e
--- /dev/null
+++ b/assets/icons/notepad.svg
@@ -0,0 +1 @@
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diff --git a/assets/icons/option.svg b/assets/icons/option.svg
index 9d54a6f34b..47201f7c67 100644
--- a/assets/icons/option.svg
+++ b/assets/icons/option.svg
@@ -1,3 +1,4 @@
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diff --git a/assets/icons/panel_left.svg b/assets/icons/panel_left.svg
deleted file mode 100644
index 2eed26673e..0000000000
--- a/assets/icons/panel_left.svg
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diff --git a/assets/icons/panel_right.svg b/assets/icons/panel_right.svg
deleted file mode 100644
index d29a4a519e..0000000000
--- a/assets/icons/panel_right.svg
+++ /dev/null
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diff --git a/assets/icons/pencil.svg b/assets/icons/pencil.svg
index d90dcda10d..c4d289e9c0 100644
--- a/assets/icons/pencil.svg
+++ b/assets/icons/pencil.svg
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diff --git a/assets/icons/pencil_unavailable.svg b/assets/icons/pencil_unavailable.svg
new file mode 100644
index 0000000000..4241d766ac
--- /dev/null
+++ b/assets/icons/pencil_unavailable.svg
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+<path d="M3 3L13 13" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/person.svg b/assets/icons/person.svg
index 93bee97a5f..a1c29e4acb 100644
--- a/assets/icons/person.svg
+++ b/assets/icons/person.svg
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diff --git a/assets/icons/person_circle.svg b/assets/icons/person_circle.svg
deleted file mode 100644
index 7e22682e0e..0000000000
--- a/assets/icons/person_circle.svg
+++ /dev/null
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diff --git a/assets/icons/phone_incoming.svg b/assets/icons/phone_incoming.svg
deleted file mode 100644
index 4577df47ad..0000000000
--- a/assets/icons/phone_incoming.svg
+++ /dev/null
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diff --git a/assets/icons/pin.svg b/assets/icons/pin.svg
index f3f50cc659..d23daff8b9 100644
--- a/assets/icons/pin.svg
+++ b/assets/icons/pin.svg
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diff --git a/assets/icons/play.svg b/assets/icons/play.svg
deleted file mode 100644
index 2481bda7d6..0000000000
--- a/assets/icons/play.svg
+++ /dev/null
@@ -1,3 +0,0 @@
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-    <path d="M5 4L12 8L5 12V4Z" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
-</svg>
diff --git a/assets/icons/play_bug.svg b/assets/icons/play_bug.svg
deleted file mode 100644
index 7d265dd42a..0000000000
--- a/assets/icons/play_bug.svg
+++ /dev/null
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diff --git a/assets/icons/play_filled.svg b/assets/icons/play_filled.svg
index 387304ef04..8075197ad2 100644
--- a/assets/icons/play_filled.svg
+++ b/assets/icons/play_filled.svg
@@ -1,3 +1,3 @@
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-<path d="M5 4L10 7L5 10V4Z" fill="black" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M5 4L12 8L5 12V4Z" fill="black" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
diff --git a/assets/icons/play_alt.svg b/assets/icons/play_outlined.svg
similarity index 70%
rename from assets/icons/play_alt.svg
rename to assets/icons/play_outlined.svg
index b327ab07b5..ba1ea2693d 100644
--- a/assets/icons/play_alt.svg
+++ b/assets/icons/play_outlined.svg
@@ -1,3 +1,3 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M4 3L13 8L4 13V3Z" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M5 4L12 8L5 12V4Z" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
diff --git a/assets/icons/plus.svg b/assets/icons/plus.svg
index e26d430320..8ac57d8cdd 100644
--- a/assets/icons/plus.svg
+++ b/assets/icons/plus.svg
@@ -1,4 +1,4 @@
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-<path d="M8 3.33333V12.6667" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M3.33325 8H12.6666" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8 3.33333V12.6667" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
diff --git a/assets/icons/pocket_knife.svg b/assets/icons/pocket_knife.svg
deleted file mode 100644
index fb2d078e20..0000000000
--- a/assets/icons/pocket_knife.svg
+++ /dev/null
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diff --git a/assets/icons/power.svg b/assets/icons/power.svg
index 787d1a3519..29bd2127c5 100644
--- a/assets/icons/power.svg
+++ b/assets/icons/power.svg
@@ -1 +1 @@
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diff --git a/assets/icons/public.svg b/assets/icons/public.svg
index 38278cdaba..5659b5419f 100644
--- a/assets/icons/public.svg
+++ b/assets/icons/public.svg
@@ -1,3 +1 @@
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index 150a532cc6..515462ab64 100644
--- a/assets/icons/pull_request.svg
+++ b/assets/icons/pull_request.svg
@@ -1 +1 @@
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diff --git a/assets/icons/quote.svg b/assets/icons/quote.svg
index b970db1430..a958bc67f2 100644
--- a/assets/icons/quote.svg
+++ b/assets/icons/quote.svg
@@ -1 +1 @@
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+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none"><path stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.2" d="M11.333 4H2M14 8H5.333M12 12H5M2 8v4"/></svg>
diff --git a/assets/icons/reader.svg b/assets/icons/reader.svg
new file mode 100644
index 0000000000..f477f4f32d
--- /dev/null
+++ b/assets/icons/reader.svg
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+<path d="M10 10H6" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/refresh_title.svg b/assets/icons/refresh_title.svg
index bd3657d48c..c9e670bfab 100644
--- a/assets/icons/refresh_title.svg
+++ b/assets/icons/refresh_title.svg
@@ -1,5 +1 @@
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index 1b24398cc1..818c2ba360 100644
--- a/assets/icons/regex.svg
+++ b/assets/icons/regex.svg
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diff --git a/assets/icons/repl_neutral.svg b/assets/icons/repl_neutral.svg
index db647fe40b..2842e2c421 100644
--- a/assets/icons/repl_neutral.svg
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index 51ada0db46..3018ceaf85 100644
--- a/assets/icons/repl_off.svg
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diff --git a/assets/icons/repl_pause.svg b/assets/icons/repl_pause.svg
index 2ac327df3b..5a69a576c1 100644
--- a/assets/icons/repl_pause.svg
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diff --git a/assets/icons/repl_play.svg b/assets/icons/repl_play.svg
index d23b899112..0c8f4b0832 100644
--- a/assets/icons/repl_play.svg
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diff --git a/assets/icons/replace.svg b/assets/icons/replace.svg
index 837cb23b66..287328e82e 100644
--- a/assets/icons/replace.svg
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diff --git a/assets/icons/replace_next.svg b/assets/icons/replace_next.svg
index 72511be70a..a9a9fc91f5 100644
--- a/assets/icons/replace_next.svg
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index 4d22f924f5..1a03a01ae6 100644
--- a/assets/icons/rerun.svg
+++ b/assets/icons/rerun.svg
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index 16cfeeda2e..c605eb6512 100644
--- a/assets/icons/return.svg
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diff --git a/assets/icons/reveal.svg b/assets/icons/reveal.svg
deleted file mode 100644
index ff5444d8f8..0000000000
--- a/assets/icons/reveal.svg
+++ /dev/null
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index 4eff13b94b..cdfa8d0ab4 100644
--- a/assets/icons/rotate_ccw.svg
+++ b/assets/icons/rotate_ccw.svg
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index 2098de38c2..2adfa7f972 100644
--- a/assets/icons/rotate_cw.svg
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deleted file mode 100644
index 7d2a5621ff..0000000000
--- a/assets/icons/route.svg
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deleted file mode 100644
index f83d035331..0000000000
--- a/assets/icons/save.svg
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index e7fb6005f4..a19580bd89 100644
--- a/assets/icons/scissors.svg
+++ b/assets/icons/scissors.svg
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diff --git a/assets/icons/screen.svg b/assets/icons/screen.svg
index 4b686b58f9..4bcdf19528 100644
--- a/assets/icons/screen.svg
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diff --git a/assets/icons/scroll_text.svg b/assets/icons/scroll_text.svg
deleted file mode 100644
index f066c8a84e..0000000000
--- a/assets/icons/scroll_text.svg
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deleted file mode 100644
index b970db1430..0000000000
--- a/assets/icons/search_selection.svg
+++ /dev/null
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diff --git a/assets/icons/select_all.svg b/assets/icons/select_all.svg
index 78c3ee6399..4fa17dcf63 100644
--- a/assets/icons/select_all.svg
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diff --git a/assets/icons/send.svg b/assets/icons/send.svg
index 0d6ad36341..5ceeef2af4 100644
--- a/assets/icons/send.svg
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diff --git a/assets/icons/server.svg b/assets/icons/server.svg
index a8b6ad92b3..8d851d1328 100644
--- a/assets/icons/server.svg
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diff --git a/assets/icons/settings.svg b/assets/icons/settings.svg
index a82cf03398..33ac74f230 100644
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diff --git a/assets/icons/settings_alt.svg b/assets/icons/settings_alt.svg
deleted file mode 100644
index a5fb4171d5..0000000000
--- a/assets/icons/settings_alt.svg
+++ /dev/null
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diff --git a/assets/icons/shield_check.svg b/assets/icons/shield_check.svg
new file mode 100644
index 0000000000..43b52f43a8
--- /dev/null
+++ b/assets/icons/shield_check.svg
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diff --git a/assets/icons/shift.svg b/assets/icons/shift.svg
index 0232114777..c38807d8b0 100644
--- a/assets/icons/shift.svg
+++ b/assets/icons/shift.svg
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index 792c405bb0..1ebf01eb9f 100644
--- a/assets/icons/slash.svg
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+<path d="M12.9999 2.99988L2.99976 13" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/slash_square.svg b/assets/icons/slash_square.svg
deleted file mode 100644
index 8f269ddeb5..0000000000
--- a/assets/icons/slash_square.svg
+++ /dev/null
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diff --git a/assets/icons/sliders.svg b/assets/icons/sliders.svg
index 8ab83055ee..20a6a367dc 100644
--- a/assets/icons/sliders.svg
+++ b/assets/icons/sliders.svg
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diff --git a/assets/icons/sliders_alt.svg b/assets/icons/sliders_alt.svg
deleted file mode 100644
index 36c3feccfe..0000000000
--- a/assets/icons/sliders_alt.svg
+++ /dev/null
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diff --git a/assets/icons/sliders_vertical.svg b/assets/icons/sliders_vertical.svg
deleted file mode 100644
index ab61037a51..0000000000
--- a/assets/icons/sliders_vertical.svg
+++ /dev/null
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diff --git a/assets/icons/snip.svg b/assets/icons/snip.svg
deleted file mode 100644
index 03ae4ce039..0000000000
--- a/assets/icons/snip.svg
+++ /dev/null
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diff --git a/assets/icons/space.svg b/assets/icons/space.svg
index 63718fb4aa..0294c9bf1e 100644
--- a/assets/icons/space.svg
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@@ -1 +1,3 @@
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diff --git a/assets/icons/sparkle.svg b/assets/icons/sparkle.svg
index f420f527f1..535c447723 100644
--- a/assets/icons/sparkle.svg
+++ b/assets/icons/sparkle.svg
@@ -1 +1 @@
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diff --git a/assets/icons/sparkle_alt.svg b/assets/icons/sparkle_alt.svg
deleted file mode 100644
index d5c227b105..0000000000
--- a/assets/icons/sparkle_alt.svg
+++ /dev/null
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diff --git a/assets/icons/sparkle_filled.svg b/assets/icons/sparkle_filled.svg
deleted file mode 100644
index 96837f618d..0000000000
--- a/assets/icons/sparkle_filled.svg
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deleted file mode 100644
index 68982ee5e9..0000000000
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deleted file mode 100644
index 4f4034ae89..0000000000
--- a/assets/icons/spinner.svg
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index 4c131466c2..b2be46a875 100644
--- a/assets/icons/split.svg
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diff --git a/assets/icons/split_alt.svg b/assets/icons/split_alt.svg
index 3f7622701d..2f99e1436f 100644
--- a/assets/icons/split_alt.svg
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diff --git a/assets/icons/square_minus.svg b/assets/icons/square_minus.svg
index a9ab42c408..5ba458e8b5 100644
--- a/assets/icons/square_minus.svg
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diff --git a/assets/icons/square_plus.svg b/assets/icons/square_plus.svg
index 8cbe3dc0e7..063c7dbf82 100644
--- a/assets/icons/square_plus.svg
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index fd1502ede8..b39638e386 100644
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diff --git a/assets/icons/star_filled.svg b/assets/icons/star_filled.svg
index 89b03ded29..16f64e5cb3 100644
--- a/assets/icons/star_filled.svg
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diff --git a/assets/icons/stop.svg b/assets/icons/stop.svg
index 6291a34c08..cc2bbe9207 100644
--- a/assets/icons/stop.svg
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deleted file mode 100644
index caf40d197e..0000000000
--- a/assets/icons/stop_filled.svg
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deleted file mode 100644
index d7d0905912..0000000000
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index 19837fbf56..af778c70b7 100644
--- a/assets/icons/supermaven.svg
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index 39ff8a6122..25eea54cde 100644
--- a/assets/icons/supermaven_disabled.svg
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diff --git a/assets/icons/supermaven_error.svg b/assets/icons/supermaven_error.svg
index 669322b97d..a0a12e17c3 100644
--- a/assets/icons/supermaven_error.svg
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diff --git a/assets/icons/supermaven_init.svg b/assets/icons/supermaven_init.svg
index b919d5559b..6851aad49d 100644
--- a/assets/icons/supermaven_init.svg
+++ b/assets/icons/supermaven_init.svg
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diff --git a/assets/icons/swatch_book.svg b/assets/icons/swatch_book.svg
index 985994ffcf..b37d5df8c1 100644
--- a/assets/icons/swatch_book.svg
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index 49a3536bed..db93be4df5 100644
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index 7afb89db21..d03c05423e 100644
--- a/assets/icons/terminal_alt.svg
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-<path d="M5.64966 9.32837L7.64966 7.32837L5.64966 5.32837" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/text_snippet.svg b/assets/icons/text_snippet.svg
index 255635de6a..b8987546d3 100644
--- a/assets/icons/text_snippet.svg
+++ b/assets/icons/text_snippet.svg
@@ -1 +1 @@
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diff --git a/assets/icons/text_thread.svg b/assets/icons/text_thread.svg
new file mode 100644
index 0000000000..aa078c72a2
--- /dev/null
+++ b/assets/icons/text_thread.svg
@@ -0,0 +1,7 @@
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+<path d="M7.33333 8H2" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M10.6667 5H2" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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+<path d="M12 7V11" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M14 9H10" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/new_thread.svg b/assets/icons/thread.svg
similarity index 90%
rename from assets/icons/new_thread.svg
rename to assets/icons/thread.svg
index 8c2596a4c9..496cf42e3a 100644
--- a/assets/icons/new_thread.svg
+++ b/assets/icons/thread.svg
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diff --git a/assets/icons/thread_from_summary.svg b/assets/icons/thread_from_summary.svg
new file mode 100644
index 0000000000..94ce9562da
--- /dev/null
+++ b/assets/icons/thread_from_summary.svg
@@ -0,0 +1,6 @@
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+</svg>
diff --git a/assets/icons/thumbs_down.svg b/assets/icons/thumbs_down.svg
index 2edc09acd1..a396ff14f6 100644
--- a/assets/icons/thumbs_down.svg
+++ b/assets/icons/thumbs_down.svg
@@ -1,3 +1 @@
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diff --git a/assets/icons/thumbs_up.svg b/assets/icons/thumbs_up.svg
index ff4406034d..73c859c355 100644
--- a/assets/icons/thumbs_up.svg
+++ b/assets/icons/thumbs_up.svg
@@ -1,3 +1 @@
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diff --git a/assets/icons/todo_complete.svg b/assets/icons/todo_complete.svg
index 9fa2e818bb..5bf70841a8 100644
--- a/assets/icons/todo_complete.svg
+++ b/assets/icons/todo_complete.svg
@@ -1,4 +1 @@
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-<path d="M6 8L7.33333 9L10 7" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/todo_pending.svg b/assets/icons/todo_pending.svg
index dfb013b52b..e5e9776f11 100644
--- a/assets/icons/todo_pending.svg
+++ b/assets/icons/todo_pending.svg
@@ -1,10 +1,10 @@
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diff --git a/assets/icons/todo_progress.svg b/assets/icons/todo_progress.svg
index 9b2ed7375d..b4a3e8c50e 100644
--- a/assets/icons/todo_progress.svg
+++ b/assets/icons/todo_progress.svg
@@ -1,11 +1,11 @@
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diff --git a/assets/icons/tool_bulb.svg b/assets/icons/tool_bulb.svg
deleted file mode 100644
index 54d5ac5fd7..0000000000
--- a/assets/icons/tool_bulb.svg
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diff --git a/assets/icons/tool_copy.svg b/assets/icons/tool_copy.svg
index e722d8a022..a497a5c9cb 100644
--- a/assets/icons/tool_copy.svg
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diff --git a/assets/icons/tool_delete_file.svg b/assets/icons/tool_delete_file.svg
index 3276f3d78e..e15c0cb568 100644
--- a/assets/icons/tool_delete_file.svg
+++ b/assets/icons/tool_delete_file.svg
@@ -1,5 +1,5 @@
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diff --git a/assets/icons/tool_diagnostics.svg b/assets/icons/tool_diagnostics.svg
index c659d96781..414810628d 100644
--- a/assets/icons/tool_diagnostics.svg
+++ b/assets/icons/tool_diagnostics.svg
@@ -1,5 +1,5 @@
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diff --git a/assets/icons/tool_folder.svg b/assets/icons/tool_folder.svg
index 9d3ac299d2..35f4c1f8ac 100644
--- a/assets/icons/tool_folder.svg
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diff --git a/assets/icons/tool_hammer.svg b/assets/icons/tool_hammer.svg
index e66173ce70..f725012cdf 100644
--- a/assets/icons/tool_hammer.svg
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diff --git a/assets/icons/tool_notification.svg b/assets/icons/tool_notification.svg
index 7510b32040..7903a3369a 100644
--- a/assets/icons/tool_notification.svg
+++ b/assets/icons/tool_notification.svg
@@ -1,4 +1,4 @@
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diff --git a/assets/icons/tool_pencil.svg b/assets/icons/tool_pencil.svg
index b913015c08..c4d289e9c0 100644
--- a/assets/icons/tool_pencil.svg
+++ b/assets/icons/tool_pencil.svg
@@ -1,4 +1,4 @@
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+<path d="M9 5L11 7" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/tool_read.svg b/assets/icons/tool_read.svg
index 458cbb3660..d22e9d8c7d 100644
--- a/assets/icons/tool_read.svg
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@@ -1,7 +1,7 @@
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diff --git a/assets/icons/tool_regex.svg b/assets/icons/tool_regex.svg
index 0432cd570f..818c2ba360 100644
--- a/assets/icons/tool_regex.svg
+++ b/assets/icons/tool_regex.svg
@@ -1,4 +1,4 @@
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diff --git a/assets/icons/tool_search.svg b/assets/icons/tool_search.svg
index 4f2750cfa2..b225a1298e 100644
--- a/assets/icons/tool_search.svg
+++ b/assets/icons/tool_search.svg
@@ -1,4 +1,4 @@
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+<path d="M13 13L11 11" stroke="black" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round"/>
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diff --git a/assets/icons/tool_terminal.svg b/assets/icons/tool_terminal.svg
index 5154fa8e70..24da5e3a10 100644
--- a/assets/icons/tool_terminal.svg
+++ b/assets/icons/tool_terminal.svg
@@ -1,5 +1,5 @@
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diff --git a/assets/icons/tool_think.svg b/assets/icons/tool_think.svg
new file mode 100644
index 0000000000..773f5e7fa7
--- /dev/null
+++ b/assets/icons/tool_think.svg
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diff --git a/assets/icons/tool_web.svg b/assets/icons/tool_web.svg
index 6250a9f05a..288b54c432 100644
--- a/assets/icons/tool_web.svg
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index b71035b99c..4a9e9add02 100644
--- a/assets/icons/trash.svg
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diff --git a/assets/icons/trash_alt.svg b/assets/icons/trash_alt.svg
deleted file mode 100644
index 6867b42147..0000000000
--- a/assets/icons/trash_alt.svg
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index 0ecf071e24..c36d382e73 100644
--- a/assets/icons/triangle.svg
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diff --git a/assets/icons/triangle_right.svg b/assets/icons/triangle_right.svg
index 2c78a316f7..bb82d8e637 100644
--- a/assets/icons/triangle_right.svg
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diff --git a/assets/icons/undo.svg b/assets/icons/undo.svg
index 907cc77195..c714b58747 100644
--- a/assets/icons/undo.svg
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diff --git a/assets/icons/update.svg b/assets/icons/update.svg
deleted file mode 100644
index b529b2b08b..0000000000
--- a/assets/icons/update.svg
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index e5f13feeb4..ee32a52590 100644
--- a/assets/icons/user_check.svg
+++ b/assets/icons/user_check.svg
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index ac1f7bdc63..30d2e5a7ea 100644
--- a/assets/icons/user_group.svg
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diff --git a/assets/icons/user_round_pen.svg b/assets/icons/user_round_pen.svg
index e25bf10469..e684fd1a20 100644
--- a/assets/icons/user_round_pen.svg
+++ b/assets/icons/user_round_pen.svg
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diff --git a/assets/icons/visible.svg b/assets/icons/visible.svg
deleted file mode 100644
index 0a7e65d60d..0000000000
--- a/assets/icons/visible.svg
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deleted file mode 100644
index a6704b1c42..0000000000
--- a/assets/icons/wand.svg
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index c48a575a90..5af37dab9d 100644
--- a/assets/icons/warning.svg
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index beca4cbe82..ce0d1606c8 100644
--- a/assets/icons/whole_word.svg
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deleted file mode 100644
index 5d91a9edd9..0000000000
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new file mode 100644
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diff --git a/assets/icons/zed_assistant.svg b/assets/icons/zed_assistant.svg
index d21252de8c..812277a100 100644
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diff --git a/assets/icons/zed_assistant_filled.svg b/assets/icons/zed_assistant_filled.svg
deleted file mode 100644
index 8d16fd9849..0000000000
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index 544368d8e0..cad6ed666b 100644
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index 94230b6fd6..10e0e42b13 100644
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index 996e0c1920..00117efcf4 100644
--- a/assets/icons/zed_mcp_extension.svg
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index 79fd8c8fc1..605a0584d5 100644
--- a/assets/icons/zed_predict.svg
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deleted file mode 100644
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index 4532ad7e26..79eef9b0b4 100644
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diff --git a/assets/icons/zed_predict_error.svg b/assets/icons/zed_predict_error.svg
index b2dc339fe9..6f75326179 100644
--- a/assets/icons/zed_predict_error.svg
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index 61ec143022..f77001e4bd 100644
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deleted file mode 100644
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diff --git a/assets/images/pro_trial_stamp.svg b/assets/images/pro_trial_stamp.svg
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diff --git a/assets/images/pro_user_stamp.svg b/assets/images/pro_user_stamp.svg
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diff --git a/assets/keymaps/default-linux.json b/assets/keymaps/default-linux.json
index 9d5c6b2043..3cca560c00 100644
--- a/assets/keymaps/default-linux.json
+++ b/assets/keymaps/default-linux.json
@@ -16,7 +16,6 @@
       "up": "menu::SelectPrevious",
       "enter": "menu::Confirm",
       "ctrl-enter": "menu::SecondaryConfirm",
-      "ctrl-escape": "menu::Cancel",
       "ctrl-c": "menu::Cancel",
       "escape": "menu::Cancel",
       "alt-shift-enter": "menu::Restart",
@@ -41,7 +40,7 @@
       "shift-f11": "debugger::StepOut",
       "f11": "zed::ToggleFullScreen",
       "ctrl-alt-z": "edit_prediction::RateCompletions",
-      "ctrl-shift-i": "edit_prediction::ToggleMenu",
+      "ctrl-alt-shift-i": "edit_prediction::ToggleMenu",
       "ctrl-alt-l": "lsp_tool::ToggleMenu"
     }
   },
@@ -121,7 +120,7 @@
       "alt-g m": "git::OpenModifiedFiles",
       "menu": "editor::OpenContextMenu",
       "shift-f10": "editor::OpenContextMenu",
-      "ctrl-shift-e": "editor::ToggleEditPrediction",
+      "ctrl-alt-shift-e": "editor::ToggleEditPrediction",
       "f9": "editor::ToggleBreakpoint",
       "shift-f9": "editor::EditLogBreakpoint"
     }
@@ -138,7 +137,7 @@
       "find": "buffer_search::Deploy",
       "ctrl-f": "buffer_search::Deploy",
       "ctrl-h": "buffer_search::DeployReplace",
-      "ctrl->": "assistant::QuoteSelection",
+      "ctrl->": "agent::QuoteSelection",
       "ctrl-<": "assistant::InsertIntoEditor",
       "ctrl-alt-e": "editor::SelectEnclosingSymbol",
       "ctrl-shift-backspace": "editor::GoToPreviousChange",
@@ -239,8 +238,9 @@
       "ctrl-shift-a": "agent::ToggleContextPicker",
       "ctrl-shift-j": "agent::ToggleNavigationMenu",
       "ctrl-shift-i": "agent::ToggleOptionsMenu",
+      "ctrl-alt-shift-n": "agent::ToggleNewThreadMenu",
       "shift-alt-escape": "agent::ExpandMessageEditor",
-      "ctrl->": "assistant::QuoteSelection",
+      "ctrl->": "agent::QuoteSelection",
       "ctrl-alt-e": "agent::RemoveAllContext",
       "ctrl-shift-e": "project_panel::ToggleFocus",
       "ctrl-shift-enter": "agent::ContinueThread",
@@ -326,13 +326,23 @@
     }
   },
   {
-    "context": "AcpThread > Editor",
+    "context": "AcpThread > Editor && !use_modifier_to_send",
     "use_key_equivalents": true,
     "bindings": {
       "enter": "agent::Chat",
-      "up": "agent::PreviousHistoryMessage",
-      "down": "agent::NextHistoryMessage",
-      "shift-ctrl-r": "agent::OpenAgentDiff"
+      "shift-ctrl-r": "agent::OpenAgentDiff",
+      "ctrl-shift-y": "agent::KeepAll",
+      "ctrl-shift-n": "agent::RejectAll"
+    }
+  },
+  {
+    "context": "AcpThread > Editor && use_modifier_to_send",
+    "use_key_equivalents": true,
+    "bindings": {
+      "ctrl-enter": "agent::Chat",
+      "shift-ctrl-r": "agent::OpenAgentDiff",
+      "ctrl-shift-y": "agent::KeepAll",
+      "ctrl-shift-n": "agent::RejectAll"
     }
   },
   {
@@ -598,6 +608,7 @@
       "ctrl-shift-t": "pane::ReopenClosedItem",
       "ctrl-k ctrl-s": "zed::OpenKeymapEditor",
       "ctrl-k ctrl-t": "theme_selector::Toggle",
+      "ctrl-alt-super-p": "settings_profile_selector::Toggle",
       "ctrl-t": "project_symbols::Toggle",
       "ctrl-p": "file_finder::Toggle",
       "ctrl-tab": "tab_switcher::Toggle",
@@ -844,7 +855,8 @@
       "ctrl-backspace": ["project_panel::Delete", { "skip_prompt": false }],
       "ctrl-delete": ["project_panel::Delete", { "skip_prompt": false }],
       "alt-ctrl-r": "project_panel::RevealInFileManager",
-      "ctrl-shift-enter": "project_panel::OpenWithSystem",
+      "ctrl-shift-enter": "workspace::OpenWithSystem",
+      "alt-d": "project_panel::CompareMarkedFiles",
       "shift-find": "project_panel::NewSearchInDirectory",
       "ctrl-alt-shift-f": "project_panel::NewSearchInDirectory",
       "shift-down": "menu::SelectNext",
@@ -1099,6 +1111,13 @@
       "ctrl-enter": "menu::Confirm"
     }
   },
+  {
+    "context": "OnboardingAiConfigurationModal",
+    "use_key_equivalents": true,
+    "bindings": {
+      "escape": "menu::Cancel"
+    }
+  },
   {
     "context": "Diagnostics",
     "use_key_equivalents": true,
@@ -1167,5 +1186,24 @@
       "up": "menu::SelectPrevious",
       "down": "menu::SelectNext"
     }
+  },
+  {
+    "context": "Onboarding",
+    "use_key_equivalents": true,
+    "bindings": {
+      "ctrl-1": "onboarding::ActivateBasicsPage",
+      "ctrl-2": "onboarding::ActivateEditingPage",
+      "ctrl-3": "onboarding::ActivateAISetupPage",
+      "ctrl-enter": "onboarding::Finish",
+      "alt-shift-l": "onboarding::SignIn",
+      "alt-shift-a": "onboarding::OpenAccount"
+    }
+  },
+  {
+    "context": "InvalidBuffer",
+    "use_key_equivalents": true,
+    "bindings": {
+      "ctrl-shift-enter": "workspace::OpenWithSystem"
+    }
   }
 ]
diff --git a/assets/keymaps/default-macos.json b/assets/keymaps/default-macos.json
index 4c44906d55..e72f4174ff 100644
--- a/assets/keymaps/default-macos.json
+++ b/assets/keymaps/default-macos.json
@@ -162,7 +162,7 @@
       "cmd-alt-f": "buffer_search::DeployReplace",
       "cmd-alt-l": ["buffer_search::Deploy", { "selection_search_enabled": true }],
       "cmd-e": ["buffer_search::Deploy", { "focus": false }],
-      "cmd->": "assistant::QuoteSelection",
+      "cmd->": "agent::QuoteSelection",
       "cmd-<": "assistant::InsertIntoEditor",
       "cmd-alt-e": "editor::SelectEnclosingSymbol",
       "alt-enter": "editor::OpenSelectionsInMultibuffer"
@@ -279,8 +279,9 @@
       "cmd-shift-a": "agent::ToggleContextPicker",
       "cmd-shift-j": "agent::ToggleNavigationMenu",
       "cmd-shift-i": "agent::ToggleOptionsMenu",
+      "cmd-alt-shift-n": "agent::ToggleNewThreadMenu",
       "shift-alt-escape": "agent::ExpandMessageEditor",
-      "cmd->": "assistant::QuoteSelection",
+      "cmd->": "agent::QuoteSelection",
       "cmd-alt-e": "agent::RemoveAllContext",
       "cmd-shift-e": "project_panel::ToggleFocus",
       "cmd-ctrl-b": "agent::ToggleBurnMode",
@@ -378,13 +379,23 @@
     }
   },
   {
-    "context": "AcpThread > Editor",
+    "context": "AcpThread > Editor && !use_modifier_to_send",
     "use_key_equivalents": true,
     "bindings": {
       "enter": "agent::Chat",
-      "up": "agent::PreviousHistoryMessage",
-      "down": "agent::NextHistoryMessage",
-      "shift-ctrl-r": "agent::OpenAgentDiff"
+      "shift-ctrl-r": "agent::OpenAgentDiff",
+      "cmd-shift-y": "agent::KeepAll",
+      "cmd-shift-n": "agent::RejectAll"
+    }
+  },
+  {
+    "context": "AcpThread > Editor && use_modifier_to_send",
+    "use_key_equivalents": true,
+    "bindings": {
+      "cmd-enter": "agent::Chat",
+      "shift-ctrl-r": "agent::OpenAgentDiff",
+      "cmd-shift-y": "agent::KeepAll",
+      "cmd-shift-n": "agent::RejectAll"
     }
   },
   {
@@ -665,6 +676,7 @@
       "cmd-shift-t": "pane::ReopenClosedItem",
       "cmd-k cmd-s": "zed::OpenKeymapEditor",
       "cmd-k cmd-t": "theme_selector::Toggle",
+      "ctrl-alt-cmd-p": "settings_profile_selector::Toggle",
       "cmd-t": "project_symbols::Toggle",
       "cmd-p": "file_finder::Toggle",
       "ctrl-tab": "tab_switcher::Toggle",
@@ -903,7 +915,8 @@
       "cmd-backspace": ["project_panel::Trash", { "skip_prompt": true }],
       "cmd-delete": ["project_panel::Delete", { "skip_prompt": false }],
       "alt-cmd-r": "project_panel::RevealInFileManager",
-      "ctrl-shift-enter": "project_panel::OpenWithSystem",
+      "ctrl-shift-enter": "workspace::OpenWithSystem",
+      "alt-d": "project_panel::CompareMarkedFiles",
       "cmd-alt-backspace": ["project_panel::Delete", { "skip_prompt": false }],
       "cmd-alt-shift-f": "project_panel::NewSearchInDirectory",
       "shift-down": "menu::SelectNext",
@@ -1201,6 +1214,13 @@
       "cmd-enter": "menu::Confirm"
     }
   },
+  {
+    "context": "OnboardingAiConfigurationModal",
+    "use_key_equivalents": true,
+    "bindings": {
+      "escape": "menu::Cancel"
+    }
+  },
   {
     "context": "Diagnostics",
     "use_key_equivalents": true,
@@ -1269,5 +1289,24 @@
       "up": "menu::SelectPrevious",
       "down": "menu::SelectNext"
     }
+  },
+  {
+    "context": "Onboarding",
+    "use_key_equivalents": true,
+    "bindings": {
+      "cmd-1": "onboarding::ActivateBasicsPage",
+      "cmd-2": "onboarding::ActivateEditingPage",
+      "cmd-3": "onboarding::ActivateAISetupPage",
+      "cmd-escape": "onboarding::Finish",
+      "alt-tab": "onboarding::SignIn",
+      "alt-shift-a": "onboarding::OpenAccount"
+    }
+  },
+  {
+    "context": "InvalidBuffer",
+    "use_key_equivalents": true,
+    "bindings": {
+      "ctrl-shift-enter": "workspace::OpenWithSystem"
+    }
   }
 ]
diff --git a/assets/keymaps/linux/cursor.json b/assets/keymaps/linux/cursor.json
index 1c381b0cf0..2e27158e11 100644
--- a/assets/keymaps/linux/cursor.json
+++ b/assets/keymaps/linux/cursor.json
@@ -17,8 +17,8 @@
     "bindings": {
       "ctrl-i": "agent::ToggleFocus",
       "ctrl-shift-i": "agent::ToggleFocus",
-      "ctrl-shift-l": "assistant::QuoteSelection", // In cursor uses "Ask" mode
-      "ctrl-l": "assistant::QuoteSelection", // In cursor uses "Agent" mode
+      "ctrl-shift-l": "agent::QuoteSelection", // In cursor uses "Ask" mode
+      "ctrl-l": "agent::QuoteSelection", // In cursor uses "Agent" mode
       "ctrl-k": "assistant::InlineAssist",
       "ctrl-shift-k": "assistant::InsertIntoEditor"
     }
diff --git a/assets/keymaps/linux/jetbrains.json b/assets/keymaps/linux/jetbrains.json
index f81f363ae0..3df1243fed 100644
--- a/assets/keymaps/linux/jetbrains.json
+++ b/assets/keymaps/linux/jetbrains.json
@@ -95,7 +95,7 @@
       "ctrl-shift-r": ["pane::DeploySearch", { "replace_enabled": true }],
       "alt-shift-f10": "task::Spawn",
       "ctrl-e": "file_finder::Toggle",
-      "ctrl-k": "git_panel::ToggleFocus", // bug: This should also focus commit editor
+      // "ctrl-k": "git_panel::ToggleFocus", // bug: This should also focus commit editor
       "ctrl-shift-n": "file_finder::Toggle",
       "ctrl-shift-a": "command_palette::Toggle",
       "shift shift": "command_palette::Toggle",
@@ -166,7 +166,7 @@
   { "context": "Diagnostics > Editor", "bindings": { "alt-6": "pane::CloseActiveItem" } },
   { "context": "OutlinePanel", "bindings": { "alt-7": "workspace::CloseActiveDock" } },
   {
-    "context": "Dock || Workspace || Terminal || OutlinePanel || ProjectPanel || CollabPanel || (Editor && mode == auto_height)",
+    "context": "Dock || Workspace || OutlinePanel || ProjectPanel || CollabPanel || (Editor && mode == auto_height)",
     "bindings": {
       "escape": "editor::ToggleFocus",
       "shift-escape": "workspace::CloseActiveDock"
diff --git a/assets/keymaps/macos/cursor.json b/assets/keymaps/macos/cursor.json
index fdf9c437cf..1d723bd75b 100644
--- a/assets/keymaps/macos/cursor.json
+++ b/assets/keymaps/macos/cursor.json
@@ -17,8 +17,8 @@
     "bindings": {
       "cmd-i": "agent::ToggleFocus",
       "cmd-shift-i": "agent::ToggleFocus",
-      "cmd-shift-l": "assistant::QuoteSelection", // In cursor uses "Ask" mode
-      "cmd-l": "assistant::QuoteSelection", // In cursor uses "Agent" mode
+      "cmd-shift-l": "agent::QuoteSelection", // In cursor uses "Ask" mode
+      "cmd-l": "agent::QuoteSelection", // In cursor uses "Agent" mode
       "cmd-k": "assistant::InlineAssist",
       "cmd-shift-k": "assistant::InsertIntoEditor"
     }
diff --git a/assets/keymaps/macos/jetbrains.json b/assets/keymaps/macos/jetbrains.json
index 5795d2ac7e..66962811f4 100644
--- a/assets/keymaps/macos/jetbrains.json
+++ b/assets/keymaps/macos/jetbrains.json
@@ -97,7 +97,7 @@
       "cmd-shift-r": ["pane::DeploySearch", { "replace_enabled": true }],
       "ctrl-alt-r": "task::Spawn",
       "cmd-e": "file_finder::Toggle",
-      "cmd-k": "git_panel::ToggleFocus", // bug: This should also focus commit editor
+      // "cmd-k": "git_panel::ToggleFocus", // bug: This should also focus commit editor
       "cmd-shift-o": "file_finder::Toggle",
       "cmd-shift-a": "command_palette::Toggle",
       "shift shift": "command_palette::Toggle",
@@ -167,7 +167,7 @@
   { "context": "Diagnostics > Editor", "bindings": { "cmd-6": "pane::CloseActiveItem" } },
   { "context": "OutlinePanel", "bindings": { "cmd-7": "workspace::CloseActiveDock" } },
   {
-    "context": "Dock || Workspace || Terminal || OutlinePanel || ProjectPanel || CollabPanel || (Editor && mode == auto_height)",
+    "context": "Dock || Workspace || OutlinePanel || ProjectPanel || CollabPanel || (Editor && mode == auto_height)",
     "bindings": {
       "escape": "editor::ToggleFocus",
       "shift-escape": "workspace::CloseActiveDock"
diff --git a/assets/keymaps/vim.json b/assets/keymaps/vim.json
index 6458ac1510..67add61bd3 100644
--- a/assets/keymaps/vim.json
+++ b/assets/keymaps/vim.json
@@ -58,6 +58,8 @@
       "[ space": "vim::InsertEmptyLineAbove",
       "[ e": "editor::MoveLineUp",
       "] e": "editor::MoveLineDown",
+      "[ f": "workspace::FollowNextCollaborator",
+      "] f": "workspace::FollowNextCollaborator",
 
       // Word motions
       "w": "vim::NextWordStart",
@@ -333,10 +335,14 @@
       "ctrl-x ctrl-c": "editor::ShowEditPrediction", // zed specific
       "ctrl-x ctrl-l": "editor::ToggleCodeActions", // zed specific
       "ctrl-x ctrl-z": "editor::Cancel",
+      "ctrl-x ctrl-e": "vim::LineDown",
+      "ctrl-x ctrl-y": "vim::LineUp",
       "ctrl-w": "editor::DeleteToPreviousWordStart",
       "ctrl-u": "editor::DeleteToBeginningOfLine",
       "ctrl-t": "vim::Indent",
       "ctrl-d": "vim::Outdent",
+      "ctrl-y": "vim::InsertFromAbove",
+      "ctrl-e": "vim::InsertFromBelow",
       "ctrl-k": ["vim::PushDigraph", {}],
       "ctrl-v": ["vim::PushLiteral", {}],
       "ctrl-shift-v": "editor::Paste", // note: this is *very* similar to ctrl-v in vim, but ctrl-shift-v on linux is the typical shortcut for paste when ctrl-v is already in use.
@@ -386,7 +392,7 @@
       "right": "vim::WrappingRight",
       "h": "vim::WrappingLeft",
       "l": "vim::WrappingRight",
-      "y": "editor::Copy",
+      "y": "vim::HelixYank",
       "alt-;": "vim::OtherEnd",
       "ctrl-r": "vim::Redo",
       "f": ["vim::PushFindForward", { "before": false, "multiline": true }],
@@ -403,6 +409,7 @@
       "g w": "vim::PushRewrap",
       "insert": "vim::InsertBefore",
       "alt-.": "vim::RepeatFind",
+      "alt-s": ["editor::SplitSelectionIntoLines", { "keep_selections": true }],
       // tree-sitter related commands
       "[ x": "editor::SelectLargerSyntaxNode",
       "] x": "editor::SelectSmallerSyntaxNode",
@@ -421,11 +428,13 @@
       "g h": "vim::StartOfLine",
       "g s": "vim::FirstNonWhitespace", // "g s" default behavior is "space s"
       "g e": "vim::EndOfDocument",
+      "g .": "vim::HelixGotoLastModification", // go to last modification
       "g r": "editor::FindAllReferences", // zed specific
       "g t": "vim::WindowTop",
       "g c": "vim::WindowMiddle",
       "g b": "vim::WindowBottom",
 
+      "shift-r": "editor::Paste",
       "x": "editor::SelectLine",
       "shift-x": "editor::SelectLine",
       "%": "editor::SelectAll",
@@ -812,7 +821,8 @@
       "v": "project_panel::OpenPermanent",
       "p": "project_panel::Open",
       "x": "project_panel::RevealInFileManager",
-      "s": "project_panel::OpenWithSystem",
+      "s": "workspace::OpenWithSystem",
+      "z d": "project_panel::CompareMarkedFiles",
       "] c": "project_panel::SelectNextGitEntry",
       "[ c": "project_panel::SelectPrevGitEntry",
       "] d": "project_panel::SelectNextDiagnostic",
diff --git a/assets/settings/default.json b/assets/settings/default.json
index 13f56fae49..804198090f 100644
--- a/assets/settings/default.json
+++ b/assets/settings/default.json
@@ -28,7 +28,9 @@
     "edit_prediction_provider": "zed"
   },
   // The name of a font to use for rendering text in the editor
-  "buffer_font_family": "Zed Plex Mono",
+  // ".ZedMono" currently aliases to Lilex
+  // but this may change in the future.
+  "buffer_font_family": ".ZedMono",
   // Set the buffer text's font fallbacks, this will be merged with
   // the platform's default fallbacks.
   "buffer_font_fallbacks": null,
@@ -54,7 +56,9 @@
   "buffer_line_height": "comfortable",
   // The name of a font to use for rendering text in the UI
   // You can set this to ".SystemUIFont" to use the system font
-  "ui_font_family": "Zed Plex Sans",
+  // ".ZedSans" currently aliases to "IBM Plex Sans", but this may
+  // change in the future
+  "ui_font_family": ".ZedSans",
   // Set the UI's font fallbacks, this will be merged with the platform's
   // default font fallbacks.
   "ui_font_fallbacks": null,
@@ -67,8 +71,8 @@
   "ui_font_weight": 400,
   // The default font size for text in the UI
   "ui_font_size": 16,
-  // The default font size for text in the agent panel
-  "agent_font_size": 16,
+  // The default font size for text in the agent panel. Falls back to the UI font size if unset.
+  "agent_font_size": null,
   // How much to fade out unused code.
   "unnecessary_code_fade": 0.3,
   // Active pane styling settings.
@@ -82,10 +86,10 @@
   // Layout mode of the bottom dock. Defaults to "contained"
   //   choices: contained, full, left_aligned, right_aligned
   "bottom_dock_layout": "contained",
-  // The direction that you want to split panes horizontally. Defaults to "up"
-  "pane_split_direction_horizontal": "up",
-  // The direction that you want to split panes vertically. Defaults to "left"
-  "pane_split_direction_vertical": "left",
+  // The direction that you want to split panes horizontally. Defaults to "down"
+  "pane_split_direction_horizontal": "down",
+  // The direction that you want to split panes vertically. Defaults to "right"
+  "pane_split_direction_vertical": "right",
   // Centered layout related settings.
   "centered_layout": {
     // The relative width of the left padding of the central pane from the
@@ -158,6 +162,12 @@
   //  2. Always quit the application
   //         "on_last_window_closed": "quit_app",
   "on_last_window_closed": "platform_default",
+  // Whether to show padding for zoomed panels.
+  // When enabled, zoomed center panels (e.g. code editor) will have padding all around,
+  // while zoomed bottom/left/right panels will have padding to the top/right/left (respectively).
+  //
+  // Default: true
+  "zoomed_padding": true,
   // Whether to use the system provided dialogs for Open and Save As.
   // When set to false, Zed will use the built-in keyboard-first pickers.
   "use_system_path_prompts": true,
@@ -282,6 +292,8 @@
   // bracket, brace, single or double quote characters.
   // For example, when you select text and type (, Zed will surround the text with ().
   "use_auto_surround": true,
+  /// Whether indentation should be adjusted based on the context whilst typing.
+  "auto_indent": true,
   // Whether indentation of pasted content should be adjusted based on the context.
   "auto_indent_on_paste": true,
   // Controls how the editor handles the autoclosed characters.
@@ -596,6 +608,8 @@
     // when a corresponding project entry becomes active.
     // Gitignored entries are never auto revealed.
     "auto_reveal_entries": true,
+    // Whether the project panel should open on startup.
+    "starts_open": true,
     // Whether to fold directories automatically and show compact folders
     // (e.g. "a/b/c" ) when a directory has only one subdirectory inside.
     "auto_fold_dirs": true,
@@ -639,6 +653,8 @@
       //    "never"
       "show": "always"
     },
+    // Whether to enable drag-and-drop operations in the project panel.
+    "drag_and_drop": true,
     // Whether to hide the root entry when only one folder is open in the window.
     "hide_root": false
   },
@@ -709,7 +725,7 @@
     // Can be 'never', 'always', or 'when_in_call',
     // or a boolean (interpreted as 'never'/'always').
     "button": "when_in_call",
-    // Where to the chat panel. Can be 'left' or 'right'.
+    // Where to dock the chat panel. Can be 'left' or 'right'.
     "dock": "right",
     // Default width of the chat panel.
     "default_width": 240
@@ -717,7 +733,7 @@
   "git_panel": {
     // Whether to show the git panel button in the status bar.
     "button": true,
-    // Where to show the git panel. Can be 'left' or 'right'.
+    // Where to dock the git panel. Can be 'left' or 'right'.
     "dock": "left",
     // Default width of the git panel.
     "default_width": 360,
@@ -881,11 +897,6 @@
   },
   // The settings for slash commands.
   "slash_commands": {
-    // Settings for the `/docs` slash command.
-    "docs": {
-      // Whether `/docs` is enabled.
-      "enabled": false
-    },
     // Settings for the `/project` slash command.
     "project": {
       // Whether `/project` is enabled.
@@ -1130,11 +1141,6 @@
       // The minimum severity of the diagnostics to show inline.
       // Inherits editor's diagnostics' max severity settings when `null`.
       "max_severity": null
-    },
-    "cargo": {
-      // When enabled, Zed disables rust-analyzer's check on save and starts to query
-      // Cargo diagnostics separately.
-      "fetch_cargo_diagnostics": false
     }
   },
   // Files or globs of files that will be excluded by Zed entirely. They will be skipped during file
@@ -1171,6 +1177,9 @@
       // Sets a delay after which the inline blame information is shown.
       // Delay is restarted with every cursor movement.
       "delay_ms": 0,
+      // The amount of padding between the end of the source line and the start
+      // of the inline blame in units of em widths.
+      "padding": 7,
       // Whether or not to display the git commit summary on the same line.
       "show_commit_summary": false,
       // The minimum column number to show the inline blame information at
@@ -1205,7 +1214,18 @@
     // Any addition to this list will be merged with the default list.
     // Globs are matched relative to the worktree root,
     // except when starting with a slash (/) or equivalent in Windows.
-    "disabled_globs": ["**/.env*", "**/*.pem", "**/*.key", "**/*.cert", "**/*.crt", "**/.dev.vars", "**/secrets.yml"],
+    "disabled_globs": [
+      "**/.env*",
+      "**/*.pem",
+      "**/*.key",
+      "**/*.cert",
+      "**/*.crt",
+      "**/.dev.vars",
+      "**/secrets.yml",
+      "**/.zed/settings.json", // zed project settings
+      "/**/zed/settings.json", // zed user settings
+      "/**/zed/keymap.json"
+    ],
     // When to show edit predictions previews in buffer.
     // This setting takes two possible values:
     // 1. Display predictions inline when there are no language server completions available.
@@ -1233,6 +1253,13 @@
     // 2. hour24
     "hour_format": "hour12"
   },
+  // Status bar-related settings.
+  "status_bar": {
+    // Whether to show the active language button in the status bar.
+    "active_language_button": true,
+    // Whether to show the cursor position button in the status bar.
+    "cursor_position_button": true
+  },
   // Settings specific to the terminal
   "terminal": {
     // What shell to use when opening a terminal. May take 3 values:
@@ -1381,7 +1408,7 @@
     // "font_size": 15,
     // Set the terminal's font family. If this option is not included,
     // the terminal will default to matching the buffer's font family.
-    // "font_family": "Zed Plex Mono",
+    // "font_family": ".ZedMono",
     // Set the terminal's font fallbacks. If this option is not included,
     // the terminal will default to matching the buffer's font fallbacks.
     // This will be merged with the platform's default font fallbacks
@@ -1479,6 +1506,11 @@
     //
     // Default: fallback
     "words": "fallback",
+    // Minimum number of characters required to automatically trigger word-based completions.
+    // Before that value, it's still possible to trigger the words-based completion manually with the corresponding editor command.
+    //
+    // Default: 3
+    "words_min_length": 3,
     // Whether to fetch LSP completions or not.
     //
     // Default: true
@@ -1605,6 +1637,9 @@
         "allowed": true
       }
     },
+    "Kotlin": {
+      "language_servers": ["kotlin-language-server", "!kotlin-lsp", "..."]
+    },
     "LaTeX": {
       "formatter": "language_server",
       "language_servers": ["texlab", "..."],
@@ -1618,9 +1653,6 @@
       "use_on_type_format": false,
       "allow_rewrap": "anywhere",
       "soft_wrap": "editor_width",
-      "completions": {
-        "words": "disabled"
-      },
       "prettier": {
         "allowed": true
       }
@@ -1634,9 +1666,6 @@
       }
     },
     "Plain Text": {
-      "completions": {
-        "words": "disabled"
-      },
       "allow_rewrap": "anywhere"
     },
     "Python": {
@@ -1878,7 +1907,24 @@
     "dock": "bottom",
     "button": true
   },
-  // Configures any number of settings profiles that are temporarily applied
-  // when selected from `settings profile selector: toggle`.
+  // Configures any number of settings profiles that are temporarily applied on
+  // top of your existing user settings when selected from
+  // `settings profile selector: toggle`.
+  // Examples:
+  // "profiles": {
+  //   "Presenting": {
+  //     "agent_font_size": 20.0,
+  //     "buffer_font_size": 20.0,
+  //     "theme": "One Light",
+  //     "ui_font_size": 20.0
+  //   },
+  //   "Python (ty)": {
+  //     "languages": {
+  //       "Python": {
+  //         "language_servers": ["ty"]
+  //       }
+  //     }
+  //   }
+  // }
   "profiles": []
 }
diff --git a/assets/settings/initial_tasks.json b/assets/settings/initial_tasks.json
index a79c550671..5cead67b6d 100644
--- a/assets/settings/initial_tasks.json
+++ b/assets/settings/initial_tasks.json
@@ -43,8 +43,8 @@
     //           "args": ["--login"]
     //         }
     //     }
-    "shell": "system",
+    "shell": "system"
     // Represents the tags for inline runnable indicators, or spawning multiple tasks at once.
-    "tags": []
+    // "tags": []
   }
 ]
diff --git a/assets/themes/ayu/ayu.json b/assets/themes/ayu/ayu.json
index f9f8720729..0ffbb9f61e 100644
--- a/assets/themes/ayu/ayu.json
+++ b/assets/themes/ayu/ayu.json
@@ -93,7 +93,7 @@
         "terminal.ansi.bright_cyan": "#4c806fff",
         "terminal.ansi.dim_cyan": "#cbf2e4ff",
         "terminal.ansi.white": "#bfbdb6ff",
-        "terminal.ansi.bright_white": "#bfbdb6ff",
+        "terminal.ansi.bright_white": "#fafafaff",
         "terminal.ansi.dim_white": "#787876ff",
         "link_text.hover": "#5ac1feff",
         "conflict": "#feb454ff",
@@ -479,7 +479,7 @@
         "terminal.ansi.bright_cyan": "#ace0cbff",
         "terminal.ansi.dim_cyan": "#2a5f4aff",
         "terminal.ansi.white": "#fcfcfcff",
-        "terminal.ansi.bright_white": "#fcfcfcff",
+        "terminal.ansi.bright_white": "#ffffffff",
         "terminal.ansi.dim_white": "#bcbec0ff",
         "link_text.hover": "#3b9ee5ff",
         "conflict": "#f1ad49ff",
@@ -865,7 +865,7 @@
         "terminal.ansi.bright_cyan": "#4c806fff",
         "terminal.ansi.dim_cyan": "#cbf2e4ff",
         "terminal.ansi.white": "#cccac2ff",
-        "terminal.ansi.bright_white": "#cccac2ff",
+        "terminal.ansi.bright_white": "#fafafaff",
         "terminal.ansi.dim_white": "#898a8aff",
         "link_text.hover": "#72cffeff",
         "conflict": "#fecf72ff",
diff --git a/assets/themes/gruvbox/gruvbox.json b/assets/themes/gruvbox/gruvbox.json
index 459825c733..f0f0358b76 100644
--- a/assets/themes/gruvbox/gruvbox.json
+++ b/assets/themes/gruvbox/gruvbox.json
@@ -94,7 +94,7 @@
         "terminal.ansi.bright_cyan": "#45603eff",
         "terminal.ansi.dim_cyan": "#c7dfbdff",
         "terminal.ansi.white": "#fbf1c7ff",
-        "terminal.ansi.bright_white": "#fbf1c7ff",
+        "terminal.ansi.bright_white": "#ffffffff",
         "terminal.ansi.dim_white": "#b0a189ff",
         "link_text.hover": "#83a598ff",
         "version_control.added": "#b7bb26ff",
@@ -494,7 +494,7 @@
         "terminal.ansi.bright_cyan": "#45603eff",
         "terminal.ansi.dim_cyan": "#c7dfbdff",
         "terminal.ansi.white": "#fbf1c7ff",
-        "terminal.ansi.bright_white": "#fbf1c7ff",
+        "terminal.ansi.bright_white": "#ffffffff",
         "terminal.ansi.dim_white": "#b0a189ff",
         "link_text.hover": "#83a598ff",
         "version_control.added": "#b7bb26ff",
@@ -894,7 +894,7 @@
         "terminal.ansi.bright_cyan": "#45603eff",
         "terminal.ansi.dim_cyan": "#c7dfbdff",
         "terminal.ansi.white": "#fbf1c7ff",
-        "terminal.ansi.bright_white": "#fbf1c7ff",
+        "terminal.ansi.bright_white": "#ffffffff",
         "terminal.ansi.dim_white": "#b0a189ff",
         "link_text.hover": "#83a598ff",
         "version_control.added": "#b7bb26ff",
@@ -1294,7 +1294,7 @@
         "terminal.ansi.bright_cyan": "#9fbca8ff",
         "terminal.ansi.dim_cyan": "#253e2eff",
         "terminal.ansi.white": "#fbf1c7ff",
-        "terminal.ansi.bright_white": "#fbf1c7ff",
+        "terminal.ansi.bright_white": "#ffffffff",
         "terminal.ansi.dim_white": "#b0a189ff",
         "link_text.hover": "#0b6678ff",
         "version_control.added": "#797410ff",
@@ -1694,7 +1694,7 @@
         "terminal.ansi.bright_cyan": "#9fbca8ff",
         "terminal.ansi.dim_cyan": "#253e2eff",
         "terminal.ansi.white": "#f9f5d7ff",
-        "terminal.ansi.bright_white": "#f9f5d7ff",
+        "terminal.ansi.bright_white": "#ffffffff",
         "terminal.ansi.dim_white": "#b0a189ff",
         "link_text.hover": "#0b6678ff",
         "version_control.added": "#797410ff",
@@ -2094,7 +2094,7 @@
         "terminal.ansi.bright_cyan": "#9fbca8ff",
         "terminal.ansi.dim_cyan": "#253e2eff",
         "terminal.ansi.white": "#f2e5bcff",
-        "terminal.ansi.bright_white": "#f2e5bcff",
+        "terminal.ansi.bright_white": "#ffffffff",
         "terminal.ansi.dim_white": "#b0a189ff",
         "link_text.hover": "#0b6678ff",
         "version_control.added": "#797410ff",
diff --git a/assets/themes/one/one.json b/assets/themes/one/one.json
index 384ad28272..33f6d3c622 100644
--- a/assets/themes/one/one.json
+++ b/assets/themes/one/one.json
@@ -86,14 +86,14 @@
         "terminal.ansi.blue": "#74ade8ff",
         "terminal.ansi.bright_blue": "#385378ff",
         "terminal.ansi.dim_blue": "#bed5f4ff",
-        "terminal.ansi.magenta": "#be5046ff",
-        "terminal.ansi.bright_magenta": "#5e2b26ff",
-        "terminal.ansi.dim_magenta": "#e6a79eff",
+        "terminal.ansi.magenta": "#b477cfff",
+        "terminal.ansi.bright_magenta": "#d6b4e4ff",
+        "terminal.ansi.dim_magenta": "#612a79ff",
         "terminal.ansi.cyan": "#6eb4bfff",
         "terminal.ansi.bright_cyan": "#3a565bff",
         "terminal.ansi.dim_cyan": "#b9d9dfff",
         "terminal.ansi.white": "#dce0e5ff",
-        "terminal.ansi.bright_white": "#dce0e5ff",
+        "terminal.ansi.bright_white": "#fafafaff",
         "terminal.ansi.dim_white": "#575d65ff",
         "link_text.hover": "#74ade8ff",
         "version_control.added": "#27a657ff",
@@ -468,7 +468,7 @@
         "terminal.bright_foreground": "#242529ff",
         "terminal.dim_foreground": "#fafafaff",
         "terminal.ansi.black": "#242529ff",
-        "terminal.ansi.bright_black": "#242529ff",
+        "terminal.ansi.bright_black": "#747579ff",
         "terminal.ansi.dim_black": "#97979aff",
         "terminal.ansi.red": "#d36151ff",
         "terminal.ansi.bright_red": "#f0b0a4ff",
@@ -489,7 +489,7 @@
         "terminal.ansi.bright_cyan": "#a3bedaff",
         "terminal.ansi.dim_cyan": "#254058ff",
         "terminal.ansi.white": "#fafafaff",
-        "terminal.ansi.bright_white": "#fafafaff",
+        "terminal.ansi.bright_white": "#ffffffff",
         "terminal.ansi.dim_white": "#aaaaaaff",
         "link_text.hover": "#5c78e2ff",
         "version_control.added": "#27a657ff",
diff --git a/crates/acp_thread/Cargo.toml b/crates/acp_thread/Cargo.toml
index 011f26f364..eab756db51 100644
--- a/crates/acp_thread/Cargo.toml
+++ b/crates/acp_thread/Cargo.toml
@@ -13,35 +13,44 @@ path = "src/acp_thread.rs"
 doctest = false
 
 [features]
-test-support = ["gpui/test-support", "project/test-support"]
+test-support = ["gpui/test-support", "project/test-support", "dep:parking_lot"]
 
 [dependencies]
+action_log.workspace = true
 agent-client-protocol.workspace = true
-agentic-coding-protocol.workspace = true
 anyhow.workspace = true
-assistant_tool.workspace = true
 buffer_diff.workspace = true
+collections.workspace = true
 editor.workspace = true
+file_icons.workspace = true
 futures.workspace = true
 gpui.workspace = true
 itertools.workspace = true
 language.workspace = true
+language_model.workspace = true
 markdown.workspace = true
+parking_lot = { workspace = true, optional = true }
 project.workspace = true
+prompt_store.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 settings.workspace = true
 smol.workspace = true
+terminal.workspace = true
 ui.workspace = true
+url.workspace = true
 util.workspace = true
+uuid.workspace = true
+watch.workspace = true
 workspace-hack.workspace = true
 
 [dev-dependencies]
-async-pipe.workspace = true
 env_logger.workspace = true
 gpui = { workspace = true, "features" = ["test-support"] }
 indoc.workspace = true
+parking_lot.workspace = true
 project = { workspace = true, "features" = ["test-support"] }
+rand.workspace = true
 tempfile.workspace = true
 util.workspace = true
 settings.workspace = true
diff --git a/crates/acp_thread/src/acp_thread.rs b/crates/acp_thread/src/acp_thread.rs
index 7203580410..4ded647a74 100644
--- a/crates/acp_thread/src/acp_thread.rs
+++ b/crates/acp_thread/src/acp_thread.rs
@@ -1,87 +1,68 @@
 mod connection;
-mod old_acp_support;
-pub use connection::*;
-pub use old_acp_support::*;
+mod diff;
+mod mention;
+mod terminal;
 
+use collections::HashSet;
+pub use connection::*;
+pub use diff::*;
+use language::language_settings::FormatOnSave;
+pub use mention::*;
+use project::lsp_store::{FormatTrigger, LspFormatTarget};
+use serde::{Deserialize, Serialize};
+pub use terminal::*;
+
+use action_log::ActionLog;
 use agent_client_protocol as acp;
-use anyhow::{Context as _, Result};
-use assistant_tool::ActionLog;
-use buffer_diff::BufferDiff;
-use editor::{Bias, MultiBuffer, PathKey};
+use anyhow::{Context as _, Result, anyhow};
+use editor::Bias;
 use futures::{FutureExt, channel::oneshot, future::BoxFuture};
-use gpui::{AppContext, Context, Entity, EventEmitter, SharedString, Task};
+use gpui::{AppContext, AsyncApp, Context, Entity, EventEmitter, SharedString, Task, WeakEntity};
 use itertools::Itertools;
-use language::{
-    Anchor, Buffer, BufferSnapshot, Capability, LanguageRegistry, OffsetRangeExt as _, Point,
-    text_diff,
-};
+use language::{Anchor, Buffer, BufferSnapshot, LanguageRegistry, Point, ToPoint, text_diff};
 use markdown::Markdown;
-use project::{AgentLocation, Project};
+use project::{AgentLocation, Project, git_store::GitStoreCheckpoint};
 use std::collections::HashMap;
 use std::error::Error;
-use std::fmt::Formatter;
+use std::fmt::{Formatter, Write};
+use std::ops::Range;
+use std::process::ExitStatus;
 use std::rc::Rc;
-use std::{
-    fmt::Display,
-    mem,
-    path::{Path, PathBuf},
-    sync::Arc,
-};
+use std::time::{Duration, Instant};
+use std::{fmt::Display, mem, path::PathBuf, sync::Arc};
 use ui::App;
 use util::ResultExt;
 
 #[derive(Debug)]
 pub struct UserMessage {
+    pub id: Option<UserMessageId>,
     pub content: ContentBlock,
-}
-
-impl UserMessage {
-    pub fn from_acp(
-        message: impl IntoIterator<Item = acp::ContentBlock>,
-        language_registry: Arc<LanguageRegistry>,
-        cx: &mut App,
-    ) -> Self {
-        let mut content = ContentBlock::Empty;
-        for chunk in message {
-            content.append(chunk, &language_registry, cx)
-        }
-        Self { content: content }
-    }
-
-    fn to_markdown(&self, cx: &App) -> String {
-        format!("## User\n\n{}\n\n", self.content.to_markdown(cx))
-    }
+    pub chunks: Vec<acp::ContentBlock>,
+    pub checkpoint: Option<Checkpoint>,
 }
 
 #[derive(Debug)]
-pub struct MentionPath<'a>(&'a Path);
-
-impl<'a> MentionPath<'a> {
-    const PREFIX: &'static str = "@file:";
-
-    pub fn new(path: &'a Path) -> Self {
-        MentionPath(path)
-    }
-
-    pub fn try_parse(url: &'a str) -> Option<Self> {
-        let path = url.strip_prefix(Self::PREFIX)?;
-        Some(MentionPath(Path::new(path)))
-    }
-
-    pub fn path(&self) -> &Path {
-        self.0
-    }
+pub struct Checkpoint {
+    git_checkpoint: GitStoreCheckpoint,
+    pub show: bool,
 }
 
-impl Display for MentionPath<'_> {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(
-            f,
-            "[@{}]({}{})",
-            self.0.file_name().unwrap_or_default().display(),
-            Self::PREFIX,
-            self.0.display()
-        )
+impl UserMessage {
+    fn to_markdown(&self, cx: &App) -> String {
+        let mut markdown = String::new();
+        if self
+            .checkpoint
+            .as_ref()
+            .is_some_and(|checkpoint| checkpoint.show)
+        {
+            writeln!(markdown, "## User (checkpoint)").unwrap();
+        } else {
+            writeln!(markdown, "## User").unwrap();
+        }
+        writeln!(markdown).unwrap();
+        writeln!(markdown, "{}", self.content.to_markdown(cx)).unwrap();
+        writeln!(markdown).unwrap();
+        markdown
     }
 }
 
@@ -133,7 +114,7 @@ pub enum AgentThreadEntry {
 }
 
 impl AgentThreadEntry {
-    fn to_markdown(&self, cx: &App) -> String {
+    pub fn to_markdown(&self, cx: &App) -> String {
         match self {
             Self::UserMessage(message) => message.to_markdown(cx),
             Self::AssistantMessage(message) => message.to_markdown(cx),
@@ -141,7 +122,15 @@ impl AgentThreadEntry {
         }
     }
 
-    pub fn diffs(&self) -> impl Iterator<Item = &Diff> {
+    pub fn user_message(&self) -> Option<&UserMessage> {
+        if let AgentThreadEntry::UserMessage(message) = self {
+            Some(message)
+        } else {
+            None
+        }
+    }
+
+    pub fn diffs(&self) -> impl Iterator<Item = &Entity<Diff>> {
         if let AgentThreadEntry::ToolCall(call) = self {
             itertools::Either::Left(call.diffs())
         } else {
@@ -149,9 +138,25 @@ impl AgentThreadEntry {
         }
     }
 
-    pub fn locations(&self) -> Option<&[acp::ToolCallLocation]> {
-        if let AgentThreadEntry::ToolCall(ToolCall { locations, .. }) = self {
-            Some(locations)
+    pub fn terminals(&self) -> impl Iterator<Item = &Entity<Terminal>> {
+        if let AgentThreadEntry::ToolCall(call) = self {
+            itertools::Either::Left(call.terminals())
+        } else {
+            itertools::Either::Right(std::iter::empty())
+        }
+    }
+
+    pub fn location(&self, ix: usize) -> Option<(acp::ToolCallLocation, AgentLocation)> {
+        if let AgentThreadEntry::ToolCall(ToolCall {
+            locations,
+            resolved_locations,
+            ..
+        }) = self
+        {
+            Some((
+                locations.get(ix)?.clone(),
+                resolved_locations.get(ix)?.clone()?,
+            ))
         } else {
             None
         }
@@ -166,7 +171,9 @@ pub struct ToolCall {
     pub content: Vec<ToolCallContent>,
     pub status: ToolCallStatus,
     pub locations: Vec<acp::ToolCallLocation>,
+    pub resolved_locations: Vec<Option<AgentLocation>>,
     pub raw_input: Option<serde_json::Value>,
+    pub raw_output: Option<serde_json::Value>,
 }
 
 impl ToolCall {
@@ -176,16 +183,15 @@ impl ToolCall {
         language_registry: Arc<LanguageRegistry>,
         cx: &mut App,
     ) -> Self {
+        let title = if let Some((first_line, _)) = tool_call.title.split_once("\n") {
+            first_line.to_owned() + "…"
+        } else {
+            tool_call.title
+        };
         Self {
             id: tool_call.id,
-            label: cx.new(|cx| {
-                Markdown::new(
-                    tool_call.label.into(),
-                    Some(language_registry.clone()),
-                    None,
-                    cx,
-                )
-            }),
+            label: cx
+                .new(|cx| Markdown::new(title.into(), Some(language_registry.clone()), None, cx)),
             kind: tool_call.kind,
             content: tool_call
                 .content
@@ -193,12 +199,14 @@ impl ToolCall {
                 .map(|content| ToolCallContent::from_acp(content, language_registry.clone(), cx))
                 .collect(),
             locations: tool_call.locations,
+            resolved_locations: Vec::default(),
             status,
             raw_input: tool_call.raw_input,
+            raw_output: tool_call.raw_output,
         }
     }
 
-    fn update(
+    fn update_fields(
         &mut self,
         fields: acp::ToolCallUpdateFields,
         language_registry: Arc<LanguageRegistry>,
@@ -207,10 +215,11 @@ impl ToolCall {
         let acp::ToolCallUpdateFields {
             kind,
             status,
-            label,
+            title,
             content,
             locations,
             raw_input,
+            raw_output,
         } = fields;
 
         if let Some(kind) = kind {
@@ -218,18 +227,35 @@ impl ToolCall {
         }
 
         if let Some(status) = status {
-            self.status = ToolCallStatus::Allowed { status };
+            self.status = status.into();
         }
 
-        if let Some(label) = label {
-            self.label = cx.new(|cx| Markdown::new_text(label.into(), cx));
+        if let Some(title) = title {
+            self.label.update(cx, |label, cx| {
+                if let Some((first_line, _)) = title.split_once("\n") {
+                    label.replace(first_line.to_owned() + "…", cx)
+                } else {
+                    label.replace(title, cx);
+                }
+            });
         }
 
         if let Some(content) = content {
-            self.content = content
-                .into_iter()
-                .map(|chunk| ToolCallContent::from_acp(chunk, language_registry.clone(), cx))
-                .collect();
+            let new_content_len = content.len();
+            let mut content = content.into_iter();
+
+            // Reuse existing content if we can
+            for (old, new) in self.content.iter_mut().zip(content.by_ref()) {
+                old.update_from_acp(new, language_registry.clone(), cx);
+            }
+            for new in content {
+                self.content.push(ToolCallContent::from_acp(
+                    new,
+                    language_registry.clone(),
+                    cx,
+                ))
+            }
+            self.content.truncate(new_content_len);
         }
 
         if let Some(locations) = locations {
@@ -239,12 +265,33 @@ impl ToolCall {
         if let Some(raw_input) = raw_input {
             self.raw_input = Some(raw_input);
         }
+
+        if let Some(raw_output) = raw_output {
+            if self.content.is_empty()
+                && let Some(markdown) = markdown_for_raw_output(&raw_output, &language_registry, cx)
+            {
+                self.content
+                    .push(ToolCallContent::ContentBlock(ContentBlock::Markdown {
+                        markdown,
+                    }));
+            }
+            self.raw_output = Some(raw_output);
+        }
     }
 
-    pub fn diffs(&self) -> impl Iterator<Item = &Diff> {
+    pub fn diffs(&self) -> impl Iterator<Item = &Entity<Diff>> {
         self.content.iter().filter_map(|content| match content {
-            ToolCallContent::ContentBlock { .. } => None,
-            ToolCallContent::Diff { diff } => Some(diff),
+            ToolCallContent::Diff(diff) => Some(diff),
+            ToolCallContent::ContentBlock(_) => None,
+            ToolCallContent::Terminal(_) => None,
+        })
+    }
+
+    pub fn terminals(&self) -> impl Iterator<Item = &Entity<Terminal>> {
+        self.content.iter().filter_map(|content| match content {
+            ToolCallContent::Terminal(terminal) => Some(terminal),
+            ToolCallContent::ContentBlock(_) => None,
+            ToolCallContent::Diff(_) => None,
         })
     }
 
@@ -260,34 +307,101 @@ impl ToolCall {
         }
         markdown
     }
+
+    async fn resolve_location(
+        location: acp::ToolCallLocation,
+        project: WeakEntity<Project>,
+        cx: &mut AsyncApp,
+    ) -> Option<AgentLocation> {
+        let buffer = project
+            .update(cx, |project, cx| {
+                project
+                    .project_path_for_absolute_path(&location.path, cx)
+                    .map(|path| project.open_buffer(path, cx))
+            })
+            .ok()??;
+        let buffer = buffer.await.log_err()?;
+        let position = buffer
+            .update(cx, |buffer, _| {
+                if let Some(row) = location.line {
+                    let snapshot = buffer.snapshot();
+                    let column = snapshot.indent_size_for_line(row).len;
+                    let point = snapshot.clip_point(Point::new(row, column), Bias::Left);
+                    snapshot.anchor_before(point)
+                } else {
+                    Anchor::MIN
+                }
+            })
+            .ok()?;
+
+        Some(AgentLocation {
+            buffer: buffer.downgrade(),
+            position,
+        })
+    }
+
+    fn resolve_locations(
+        &self,
+        project: Entity<Project>,
+        cx: &mut App,
+    ) -> Task<Vec<Option<AgentLocation>>> {
+        let locations = self.locations.clone();
+        project.update(cx, |_, cx| {
+            cx.spawn(async move |project, cx| {
+                let mut new_locations = Vec::new();
+                for location in locations {
+                    new_locations.push(Self::resolve_location(location, project.clone(), cx).await);
+                }
+                new_locations
+            })
+        })
+    }
 }
 
 #[derive(Debug)]
 pub enum ToolCallStatus {
+    /// The tool call hasn't started running yet, but we start showing it to
+    /// the user.
+    Pending,
+    /// The tool call is waiting for confirmation from the user.
     WaitingForConfirmation {
         options: Vec<acp::PermissionOption>,
         respond_tx: oneshot::Sender<acp::PermissionOptionId>,
     },
-    Allowed {
-        status: acp::ToolCallStatus,
-    },
+    /// The tool call is currently running.
+    InProgress,
+    /// The tool call completed successfully.
+    Completed,
+    /// The tool call failed.
+    Failed,
+    /// The user rejected the tool call.
     Rejected,
+    /// The user canceled generation so the tool call was canceled.
     Canceled,
 }
 
+impl From<acp::ToolCallStatus> for ToolCallStatus {
+    fn from(status: acp::ToolCallStatus) -> Self {
+        match status {
+            acp::ToolCallStatus::Pending => Self::Pending,
+            acp::ToolCallStatus::InProgress => Self::InProgress,
+            acp::ToolCallStatus::Completed => Self::Completed,
+            acp::ToolCallStatus::Failed => Self::Failed,
+        }
+    }
+}
+
 impl Display for ToolCallStatus {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
         write!(
             f,
             "{}",
             match self {
+                ToolCallStatus::Pending => "Pending",
                 ToolCallStatus::WaitingForConfirmation { .. } => "Waiting for confirmation",
-                ToolCallStatus::Allowed { status } => match status {
-                    acp::ToolCallStatus::Pending => "Pending",
-                    acp::ToolCallStatus::InProgress => "In Progress",
-                    acp::ToolCallStatus::Completed => "Completed",
-                    acp::ToolCallStatus::Failed => "Failed",
-                },
+                ToolCallStatus::InProgress => "In Progress",
+                ToolCallStatus::Completed => "Completed",
+                ToolCallStatus::Failed => "Failed",
                 ToolCallStatus::Rejected => "Rejected",
                 ToolCallStatus::Canceled => "Canceled",
             }
@@ -299,6 +413,7 @@ impl Display for ToolCallStatus {
 pub enum ContentBlock {
     Empty,
     Markdown { markdown: Entity<Markdown> },
+    ResourceLink { resource_link: acp::ResourceLink },
 }
 
 impl ContentBlock {
@@ -330,43 +445,78 @@ impl ContentBlock {
         language_registry: &Arc<LanguageRegistry>,
         cx: &mut App,
     ) {
-        let new_content = match block {
-            acp::ContentBlock::Text(text_content) => text_content.text.clone(),
-            acp::ContentBlock::ResourceLink(resource_link) => {
-                if let Some(path) = resource_link.uri.strip_prefix("file://") {
-                    format!("{}", MentionPath(path.as_ref()))
-                } else {
-                    resource_link.uri.clone()
-                }
-            }
-            acp::ContentBlock::Image(_)
-            | acp::ContentBlock::Audio(_)
-            | acp::ContentBlock::Resource(_) => String::new(),
-        };
+        if matches!(self, ContentBlock::Empty)
+            && let acp::ContentBlock::ResourceLink(resource_link) = block
+        {
+            *self = ContentBlock::ResourceLink { resource_link };
+            return;
+        }
+
+        let new_content = self.block_string_contents(block);
 
         match self {
             ContentBlock::Empty => {
-                *self = ContentBlock::Markdown {
-                    markdown: cx.new(|cx| {
-                        Markdown::new(
-                            new_content.into(),
-                            Some(language_registry.clone()),
-                            None,
-                            cx,
-                        )
-                    }),
-                };
+                *self = Self::create_markdown_block(new_content, language_registry, cx);
             }
             ContentBlock::Markdown { markdown } => {
                 markdown.update(cx, |markdown, cx| markdown.append(&new_content, cx));
             }
+            ContentBlock::ResourceLink { resource_link } => {
+                let existing_content = Self::resource_link_md(&resource_link.uri);
+                let combined = format!("{}\n{}", existing_content, new_content);
+
+                *self = Self::create_markdown_block(combined, language_registry, cx);
+            }
         }
     }
 
-    fn to_markdown<'a>(&'a self, cx: &'a App) -> &'a str {
+    fn create_markdown_block(
+        content: String,
+        language_registry: &Arc<LanguageRegistry>,
+        cx: &mut App,
+    ) -> ContentBlock {
+        ContentBlock::Markdown {
+            markdown: cx
+                .new(|cx| Markdown::new(content.into(), Some(language_registry.clone()), None, cx)),
+        }
+    }
+
+    fn block_string_contents(&self, block: acp::ContentBlock) -> String {
+        match block {
+            acp::ContentBlock::Text(text_content) => text_content.text,
+            acp::ContentBlock::ResourceLink(resource_link) => {
+                Self::resource_link_md(&resource_link.uri)
+            }
+            acp::ContentBlock::Resource(acp::EmbeddedResource {
+                resource:
+                    acp::EmbeddedResourceResource::TextResourceContents(acp::TextResourceContents {
+                        uri,
+                        ..
+                    }),
+                ..
+            }) => Self::resource_link_md(&uri),
+            acp::ContentBlock::Image(image) => Self::image_md(&image),
+            acp::ContentBlock::Audio(_) | acp::ContentBlock::Resource(_) => String::new(),
+        }
+    }
+
+    fn resource_link_md(uri: &str) -> String {
+        if let Some(uri) = MentionUri::parse(uri).log_err() {
+            uri.as_link().to_string()
+        } else {
+            uri.to_string()
+        }
+    }
+
+    fn image_md(_image: &acp::ImageContent) -> String {
+        "`Image`".into()
+    }
+
+    pub fn to_markdown<'a>(&'a self, cx: &'a App) -> &'a str {
         match self {
             ContentBlock::Empty => "",
             ContentBlock::Markdown { markdown } => markdown.read(cx).source(),
+            ContentBlock::ResourceLink { resource_link } => &resource_link.uri,
         }
     }
 
@@ -374,14 +524,23 @@ impl ContentBlock {
         match self {
             ContentBlock::Empty => None,
             ContentBlock::Markdown { markdown } => Some(markdown),
+            ContentBlock::ResourceLink { .. } => None,
+        }
+    }
+
+    pub fn resource_link(&self) -> Option<&acp::ResourceLink> {
+        match self {
+            ContentBlock::ResourceLink { resource_link } => Some(resource_link),
+            _ => None,
         }
     }
 }
 
 #[derive(Debug)]
 pub enum ToolCallContent {
-    ContentBlock { content: ContentBlock },
-    Diff { diff: Diff },
+    ContentBlock(ContentBlock),
+    Diff(Entity<Diff>),
+    Terminal(Entity<Terminal>),
 }
 
 impl ToolCallContent {
@@ -391,121 +550,99 @@ impl ToolCallContent {
         cx: &mut App,
     ) -> Self {
         match content {
-            acp::ToolCallContent::ContentBlock(content) => Self::ContentBlock {
-                content: ContentBlock::new(content, &language_registry, cx),
-            },
-            acp::ToolCallContent::Diff { diff } => Self::Diff {
-                diff: Diff::from_acp(diff, language_registry, cx),
-            },
+            acp::ToolCallContent::Content { content } => {
+                Self::ContentBlock(ContentBlock::new(content, &language_registry, cx))
+            }
+            acp::ToolCallContent::Diff { diff } => Self::Diff(cx.new(|cx| {
+                Diff::finalized(
+                    diff.path,
+                    diff.old_text,
+                    diff.new_text,
+                    language_registry,
+                    cx,
+                )
+            })),
+        }
+    }
+
+    pub fn update_from_acp(
+        &mut self,
+        new: acp::ToolCallContent,
+        language_registry: Arc<LanguageRegistry>,
+        cx: &mut App,
+    ) {
+        let needs_update = match (&self, &new) {
+            (Self::Diff(old_diff), acp::ToolCallContent::Diff { diff: new_diff }) => {
+                old_diff.read(cx).needs_update(
+                    new_diff.old_text.as_deref().unwrap_or(""),
+                    &new_diff.new_text,
+                    cx,
+                )
+            }
+            _ => true,
+        };
+
+        if needs_update {
+            *self = Self::from_acp(new, language_registry, cx);
         }
     }
 
     pub fn to_markdown(&self, cx: &App) -> String {
         match self {
-            Self::ContentBlock { content } => content.to_markdown(cx).to_string(),
-            Self::Diff { diff } => diff.to_markdown(cx),
+            Self::ContentBlock(content) => content.to_markdown(cx).to_string(),
+            Self::Diff(diff) => diff.read(cx).to_markdown(cx),
+            Self::Terminal(terminal) => terminal.read(cx).to_markdown(cx),
         }
     }
 }
 
-#[derive(Debug)]
-pub struct Diff {
-    pub multibuffer: Entity<MultiBuffer>,
-    pub path: PathBuf,
-    pub new_buffer: Entity<Buffer>,
-    pub old_buffer: Entity<Buffer>,
-    _task: Task<Result<()>>,
+#[derive(Debug, PartialEq)]
+pub enum ToolCallUpdate {
+    UpdateFields(acp::ToolCallUpdate),
+    UpdateDiff(ToolCallUpdateDiff),
+    UpdateTerminal(ToolCallUpdateTerminal),
 }
 
-impl Diff {
-    pub fn from_acp(
-        diff: acp::Diff,
-        language_registry: Arc<LanguageRegistry>,
-        cx: &mut App,
-    ) -> Self {
-        let acp::Diff {
-            path,
-            old_text,
-            new_text,
-        } = diff;
-
-        let multibuffer = cx.new(|_cx| MultiBuffer::without_headers(Capability::ReadOnly));
-
-        let new_buffer = cx.new(|cx| Buffer::local(new_text, cx));
-        let old_buffer = cx.new(|cx| Buffer::local(old_text.unwrap_or("".into()), cx));
-        let new_buffer_snapshot = new_buffer.read(cx).text_snapshot();
-        let old_buffer_snapshot = old_buffer.read(cx).snapshot();
-        let buffer_diff = cx.new(|cx| BufferDiff::new(&new_buffer_snapshot, cx));
-        let diff_task = buffer_diff.update(cx, |diff, cx| {
-            diff.set_base_text(
-                old_buffer_snapshot,
-                Some(language_registry.clone()),
-                new_buffer_snapshot,
-                cx,
-            )
-        });
-
-        let task = cx.spawn({
-            let multibuffer = multibuffer.clone();
-            let path = path.clone();
-            let new_buffer = new_buffer.clone();
-            async move |cx| {
-                diff_task.await?;
-
-                multibuffer
-                    .update(cx, |multibuffer, cx| {
-                        let hunk_ranges = {
-                            let buffer = new_buffer.read(cx);
-                            let diff = buffer_diff.read(cx);
-                            diff.hunks_intersecting_range(Anchor::MIN..Anchor::MAX, &buffer, cx)
-                                .map(|diff_hunk| diff_hunk.buffer_range.to_point(&buffer))
-                                .collect::<Vec<_>>()
-                        };
-
-                        multibuffer.set_excerpts_for_path(
-                            PathKey::for_buffer(&new_buffer, cx),
-                            new_buffer.clone(),
-                            hunk_ranges,
-                            editor::DEFAULT_MULTIBUFFER_CONTEXT,
-                            cx,
-                        );
-                        multibuffer.add_diff(buffer_diff.clone(), cx);
-                    })
-                    .log_err();
-
-                if let Some(language) = language_registry
-                    .language_for_file_path(&path)
-                    .await
-                    .log_err()
-                {
-                    new_buffer.update(cx, |buffer, cx| buffer.set_language(Some(language), cx))?;
-                }
-
-                anyhow::Ok(())
-            }
-        });
-
-        Self {
-            multibuffer,
-            path,
-            new_buffer,
-            old_buffer,
-            _task: task,
+impl ToolCallUpdate {
+    fn id(&self) -> &acp::ToolCallId {
+        match self {
+            Self::UpdateFields(update) => &update.id,
+            Self::UpdateDiff(diff) => &diff.id,
+            Self::UpdateTerminal(terminal) => &terminal.id,
         }
     }
+}
 
-    fn to_markdown(&self, cx: &App) -> String {
-        let buffer_text = self
-            .multibuffer
-            .read(cx)
-            .all_buffers()
-            .iter()
-            .map(|buffer| buffer.read(cx).text())
-            .join("\n");
-        format!("Diff: {}\n```\n{}\n```\n", self.path.display(), buffer_text)
+impl From<acp::ToolCallUpdate> for ToolCallUpdate {
+    fn from(update: acp::ToolCallUpdate) -> Self {
+        Self::UpdateFields(update)
     }
 }
 
+impl From<ToolCallUpdateDiff> for ToolCallUpdate {
+    fn from(diff: ToolCallUpdateDiff) -> Self {
+        Self::UpdateDiff(diff)
+    }
+}
+
+#[derive(Debug, PartialEq)]
+pub struct ToolCallUpdateDiff {
+    pub id: acp::ToolCallId,
+    pub diff: Entity<Diff>,
+}
+
+impl From<ToolCallUpdateTerminal> for ToolCallUpdate {
+    fn from(terminal: ToolCallUpdateTerminal) -> Self {
+        Self::UpdateTerminal(terminal)
+    }
+}
+
+#[derive(Debug, PartialEq)]
+pub struct ToolCallUpdateTerminal {
+    pub id: acp::ToolCallId,
+    pub terminal: Entity<Terminal>,
+}
+
 #[derive(Debug, Default)]
 pub struct Plan {
     pub entries: Vec<PlanEntry>,
@@ -558,13 +695,59 @@ pub struct PlanEntry {
 impl PlanEntry {
     pub fn from_acp(entry: acp::PlanEntry, cx: &mut App) -> Self {
         Self {
-            content: cx.new(|cx| Markdown::new_text(entry.content.into(), cx)),
+            content: cx.new(|cx| Markdown::new(entry.content.into(), None, None, cx)),
             priority: entry.priority,
             status: entry.status,
         }
     }
 }
 
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct TokenUsage {
+    pub max_tokens: u64,
+    pub used_tokens: u64,
+}
+
+impl TokenUsage {
+    pub fn ratio(&self) -> TokenUsageRatio {
+        #[cfg(debug_assertions)]
+        let warning_threshold: f32 = std::env::var("ZED_THREAD_WARNING_THRESHOLD")
+            .unwrap_or("0.8".to_string())
+            .parse()
+            .unwrap();
+        #[cfg(not(debug_assertions))]
+        let warning_threshold: f32 = 0.8;
+
+        // When the maximum is unknown because there is no selected model,
+        // avoid showing the token limit warning.
+        if self.max_tokens == 0 {
+            TokenUsageRatio::Normal
+        } else if self.used_tokens >= self.max_tokens {
+            TokenUsageRatio::Exceeded
+        } else if self.used_tokens as f32 / self.max_tokens as f32 >= warning_threshold {
+            TokenUsageRatio::Warning
+        } else {
+            TokenUsageRatio::Normal
+        }
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum TokenUsageRatio {
+    Normal,
+    Warning,
+    Exceeded,
+}
+
+#[derive(Debug, Clone)]
+pub struct RetryStatus {
+    pub last_error: SharedString,
+    pub attempt: usize,
+    pub max_attempts: usize,
+    pub started_at: Instant,
+    pub duration: Duration,
+}
+
 pub struct AcpThread {
     title: SharedString,
     entries: Vec<AgentThreadEntry>,
@@ -575,16 +758,29 @@ pub struct AcpThread {
     send_task: Option<Task<()>>,
     connection: Rc<dyn AgentConnection>,
     session_id: acp::SessionId,
+    token_usage: Option<TokenUsage>,
+    prompt_capabilities: acp::PromptCapabilities,
+    _observe_prompt_capabilities: Task<anyhow::Result<()>>,
 }
 
+#[derive(Debug)]
 pub enum AcpThreadEvent {
     NewEntry,
+    TitleUpdated,
+    TokenUsageUpdated,
     EntryUpdated(usize),
+    EntriesRemoved(Range<usize>),
+    ToolAuthorizationRequired,
+    Retry(RetryStatus),
+    Stopped,
+    Error,
+    LoadError(LoadError),
+    PromptCapabilitiesUpdated,
 }
 
 impl EventEmitter<AcpThreadEvent> for AcpThread {}
 
-#[derive(PartialEq, Eq)]
+#[derive(PartialEq, Eq, Debug)]
 pub enum ThreadStatus {
     Idle,
     WaitingForToolConfirmation,
@@ -593,20 +789,30 @@ pub enum ThreadStatus {
 
 #[derive(Debug, Clone)]
 pub enum LoadError {
+    NotInstalled {
+        error_message: SharedString,
+        install_message: SharedString,
+        install_command: String,
+    },
     Unsupported {
         error_message: SharedString,
         upgrade_message: SharedString,
         upgrade_command: String,
     },
-    Exited(i32),
+    Exited {
+        status: ExitStatus,
+    },
     Other(SharedString),
 }
 
 impl Display for LoadError {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
         match self {
-            LoadError::Unsupported { error_message, .. } => write!(f, "{}", error_message),
-            LoadError::Exited(status) => write!(f, "Server exited with status {}", status),
+            LoadError::NotInstalled { error_message, .. }
+            | LoadError::Unsupported { error_message, .. } => {
+                write!(f, "{error_message}")
+            }
+            LoadError::Exited { status } => write!(f, "Server exited with status {status}"),
             LoadError::Other(msg) => write!(f, "{}", msg),
         }
     }
@@ -616,26 +822,49 @@ impl Error for LoadError {}
 
 impl AcpThread {
     pub fn new(
+        title: impl Into<SharedString>,
         connection: Rc<dyn AgentConnection>,
         project: Entity<Project>,
+        action_log: Entity<ActionLog>,
         session_id: acp::SessionId,
+        mut prompt_capabilities_rx: watch::Receiver<acp::PromptCapabilities>,
         cx: &mut Context<Self>,
     ) -> Self {
-        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        let prompt_capabilities = *prompt_capabilities_rx.borrow();
+        let task = cx.spawn::<_, anyhow::Result<()>>(async move |this, cx| {
+            loop {
+                let caps = prompt_capabilities_rx.recv().await?;
+                this.update(cx, |this, cx| {
+                    this.prompt_capabilities = caps;
+                    cx.emit(AcpThreadEvent::PromptCapabilitiesUpdated);
+                })?;
+            }
+        });
 
         Self {
             action_log,
             shared_buffers: Default::default(),
             entries: Default::default(),
             plan: Default::default(),
-            title: connection.name().into(),
+            title: title.into(),
             project,
             send_task: None,
             connection,
             session_id,
+            token_usage: None,
+            prompt_capabilities,
+            _observe_prompt_capabilities: task,
         }
     }
 
+    pub fn prompt_capabilities(&self) -> acp::PromptCapabilities {
+        self.prompt_capabilities
+    }
+
+    pub fn connection(&self) -> &Rc<dyn AgentConnection> {
+        &self.connection
+    }
+
     pub fn action_log(&self) -> &Entity<ActionLog> {
         &self.action_log
     }
@@ -652,6 +881,10 @@ impl AcpThread {
         &self.entries
     }
 
+    pub fn session_id(&self) -> &acp::SessionId {
+        &self.session_id
+    }
+
     pub fn status(&self) -> ThreadStatus {
         if self.send_task.is_some() {
             if self.waiting_for_tool_confirmation() {
@@ -664,11 +897,22 @@ impl AcpThread {
         }
     }
 
+    pub fn token_usage(&self) -> Option<&TokenUsage> {
+        self.token_usage.as_ref()
+    }
+
     pub fn has_pending_edit_tool_calls(&self) -> bool {
         for entry in self.entries.iter().rev() {
             match entry {
                 AgentThreadEntry::UserMessage(_) => return false,
-                AgentThreadEntry::ToolCall(call) if call.diffs().next().is_some() => return true,
+                AgentThreadEntry::ToolCall(
+                    call @ ToolCall {
+                        status: ToolCallStatus::InProgress | ToolCallStatus::Pending,
+                        ..
+                    },
+                ) if call.diffs().next().is_some() => {
+                    return true;
+                }
                 AgentThreadEntry::ToolCall(_) | AgentThreadEntry::AssistantMessage(_) => {}
             }
         }
@@ -676,23 +920,35 @@ impl AcpThread {
         false
     }
 
+    pub fn used_tools_since_last_user_message(&self) -> bool {
+        for entry in self.entries.iter().rev() {
+            match entry {
+                AgentThreadEntry::UserMessage(..) => return false,
+                AgentThreadEntry::AssistantMessage(..) => continue,
+                AgentThreadEntry::ToolCall(..) => return true,
+            }
+        }
+
+        false
+    }
+
     pub fn handle_session_update(
         &mut self,
         update: acp::SessionUpdate,
         cx: &mut Context<Self>,
-    ) -> Result<()> {
+    ) -> Result<(), acp::Error> {
         match update {
-            acp::SessionUpdate::UserMessage(content_block) => {
-                self.push_user_content_block(content_block, cx);
+            acp::SessionUpdate::UserMessageChunk { content } => {
+                self.push_user_content_block(None, content, cx);
             }
-            acp::SessionUpdate::AgentMessageChunk(content_block) => {
-                self.push_assistant_content_block(content_block, false, cx);
+            acp::SessionUpdate::AgentMessageChunk { content } => {
+                self.push_assistant_content_block(content, false, cx);
             }
-            acp::SessionUpdate::AgentThoughtChunk(content_block) => {
-                self.push_assistant_content_block(content_block, true, cx);
+            acp::SessionUpdate::AgentThoughtChunk { content } => {
+                self.push_assistant_content_block(content, true, cx);
             }
             acp::SessionUpdate::ToolCall(tool_call) => {
-                self.upsert_tool_call(tool_call, cx);
+                self.upsert_tool_call(tool_call, cx)?;
             }
             acp::SessionUpdate::ToolCallUpdate(tool_call_update) => {
                 self.update_tool_call(tool_call_update, cx)?;
@@ -704,18 +960,39 @@ impl AcpThread {
         Ok(())
     }
 
-    pub fn push_user_content_block(&mut self, chunk: acp::ContentBlock, cx: &mut Context<Self>) {
+    pub fn push_user_content_block(
+        &mut self,
+        message_id: Option<UserMessageId>,
+        chunk: acp::ContentBlock,
+        cx: &mut Context<Self>,
+    ) {
         let language_registry = self.project.read(cx).languages().clone();
         let entries_len = self.entries.len();
 
         if let Some(last_entry) = self.entries.last_mut()
-            && let AgentThreadEntry::UserMessage(UserMessage { content }) = last_entry
+            && let AgentThreadEntry::UserMessage(UserMessage {
+                id,
+                content,
+                chunks,
+                ..
+            }) = last_entry
         {
-            content.append(chunk, &language_registry, cx);
-            cx.emit(AcpThreadEvent::EntryUpdated(entries_len - 1));
+            *id = message_id.or(id.take());
+            content.append(chunk.clone(), &language_registry, cx);
+            chunks.push(chunk);
+            let idx = entries_len - 1;
+            cx.emit(AcpThreadEvent::EntryUpdated(idx));
         } else {
-            let content = ContentBlock::new(chunk, &language_registry, cx);
-            self.push_entry(AgentThreadEntry::UserMessage(UserMessage { content }), cx);
+            let content = ContentBlock::new(chunk.clone(), &language_registry, cx);
+            self.push_entry(
+                AgentThreadEntry::UserMessage(UserMessage {
+                    id: message_id,
+                    content,
+                    chunks: vec![chunk],
+                    checkpoint: None,
+                }),
+                cx,
+            );
         }
     }
 
@@ -730,7 +1007,8 @@ impl AcpThread {
         if let Some(last_entry) = self.entries.last_mut()
             && let AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) = last_entry
         {
-            cx.emit(AcpThreadEvent::EntryUpdated(entries_len - 1));
+            let idx = entries_len - 1;
+            cx.emit(AcpThreadEvent::EntryUpdated(idx));
             match (chunks.last_mut(), is_thought) {
                 (Some(AssistantMessageChunk::Message { block }), false)
                 | (Some(AssistantMessageChunk::Thought { block }), true) => {
@@ -767,17 +1045,62 @@ impl AcpThread {
         cx.emit(AcpThreadEvent::NewEntry);
     }
 
+    pub fn can_set_title(&mut self, cx: &mut Context<Self>) -> bool {
+        self.connection.set_title(&self.session_id, cx).is_some()
+    }
+
+    pub fn set_title(&mut self, title: SharedString, cx: &mut Context<Self>) -> Task<Result<()>> {
+        if title != self.title {
+            self.title = title.clone();
+            cx.emit(AcpThreadEvent::TitleUpdated);
+            if let Some(set_title) = self.connection.set_title(&self.session_id, cx) {
+                return set_title.run(title, cx);
+            }
+        }
+        Task::ready(Ok(()))
+    }
+
+    pub fn update_token_usage(&mut self, usage: Option<TokenUsage>, cx: &mut Context<Self>) {
+        self.token_usage = usage;
+        cx.emit(AcpThreadEvent::TokenUsageUpdated);
+    }
+
+    pub fn update_retry_status(&mut self, status: RetryStatus, cx: &mut Context<Self>) {
+        cx.emit(AcpThreadEvent::Retry(status));
+    }
+
     pub fn update_tool_call(
         &mut self,
-        update: acp::ToolCallUpdate,
+        update: impl Into<ToolCallUpdate>,
         cx: &mut Context<Self>,
     ) -> Result<()> {
+        let update = update.into();
         let languages = self.project.read(cx).languages().clone();
 
         let (ix, current_call) = self
-            .tool_call_mut(&update.id)
+            .tool_call_mut(update.id())
             .context("Tool call not found")?;
-        current_call.update(update.fields, languages, cx);
+        match update {
+            ToolCallUpdate::UpdateFields(update) => {
+                let location_updated = update.fields.locations.is_some();
+                current_call.update_fields(update.fields, languages, cx);
+                if location_updated {
+                    self.resolve_locations(update.id, cx);
+                }
+            }
+            ToolCallUpdate::UpdateDiff(update) => {
+                current_call.content.clear();
+                current_call
+                    .content
+                    .push(ToolCallContent::Diff(update.diff));
+            }
+            ToolCallUpdate::UpdateTerminal(update) => {
+                current_call.content.clear();
+                current_call
+                    .content
+                    .push(ToolCallContent::Terminal(update.terminal));
+            }
+        }
 
         cx.emit(AcpThreadEvent::EntryUpdated(ix));
 
@@ -785,35 +1108,38 @@ impl AcpThread {
     }
 
     /// Updates a tool call if id matches an existing entry, otherwise inserts a new one.
-    pub fn upsert_tool_call(&mut self, tool_call: acp::ToolCall, cx: &mut Context<Self>) {
-        let status = ToolCallStatus::Allowed {
-            status: tool_call.status,
-        };
-        self.upsert_tool_call_inner(tool_call, status, cx)
-    }
-
-    pub fn upsert_tool_call_inner(
+    pub fn upsert_tool_call(
         &mut self,
         tool_call: acp::ToolCall,
+        cx: &mut Context<Self>,
+    ) -> Result<(), acp::Error> {
+        let status = tool_call.status.into();
+        self.upsert_tool_call_inner(tool_call.into(), status, cx)
+    }
+
+    /// Fails if id does not match an existing entry.
+    pub fn upsert_tool_call_inner(
+        &mut self,
+        tool_call_update: acp::ToolCallUpdate,
         status: ToolCallStatus,
         cx: &mut Context<Self>,
-    ) {
+    ) -> Result<(), acp::Error> {
         let language_registry = self.project.read(cx).languages().clone();
-        let call = ToolCall::from_acp(tool_call, status, language_registry, cx);
+        let id = tool_call_update.id.clone();
 
-        let location = call.locations.last().cloned();
-
-        if let Some((ix, current_call)) = self.tool_call_mut(&call.id) {
-            *current_call = call;
+        if let Some((ix, current_call)) = self.tool_call_mut(&id) {
+            current_call.update_fields(tool_call_update.fields, language_registry, cx);
+            current_call.status = status;
 
             cx.emit(AcpThreadEvent::EntryUpdated(ix));
         } else {
+            let call =
+                ToolCall::from_acp(tool_call_update.try_into()?, status, language_registry, cx);
             self.push_entry(AgentThreadEntry::ToolCall(call), cx);
-        }
+        };
 
-        if let Some(location) = location {
-            self.set_project_location(location, cx)
-        }
+        self.resolve_locations(id, cx);
+        Ok(())
     }
 
     fn tool_call_mut(&mut self, id: &acp::ToolCallId) -> Option<(usize, &mut ToolCall)> {
@@ -834,43 +1160,74 @@ impl AcpThread {
             })
     }
 
-    pub fn set_project_location(&self, location: acp::ToolCallLocation, cx: &mut Context<Self>) {
-        self.project.update(cx, |project, cx| {
-            let Some(path) = project.project_path_for_absolute_path(&location.path, cx) else {
-                return;
-            };
-            let buffer = project.open_buffer(path, cx);
-            cx.spawn(async move |project, cx| {
-                let buffer = buffer.await?;
-
-                project.update(cx, |project, cx| {
-                    let position = if let Some(line) = location.line {
-                        let snapshot = buffer.read(cx).snapshot();
-                        let point = snapshot.clip_point(Point::new(line, 0), Bias::Left);
-                        snapshot.anchor_before(point)
-                    } else {
-                        Anchor::MIN
-                    };
-
-                    project.set_agent_location(
-                        Some(AgentLocation {
-                            buffer: buffer.downgrade(),
-                            position,
-                        }),
-                        cx,
-                    );
-                })
+    pub fn tool_call(&mut self, id: &acp::ToolCallId) -> Option<(usize, &ToolCall)> {
+        self.entries
+            .iter()
+            .enumerate()
+            .rev()
+            .find_map(|(index, tool_call)| {
+                if let AgentThreadEntry::ToolCall(tool_call) = tool_call
+                    && &tool_call.id == id
+                {
+                    Some((index, tool_call))
+                } else {
+                    None
+                }
             })
-            .detach_and_log_err(cx);
-        });
     }
 
-    pub fn request_tool_call_permission(
+    pub fn resolve_locations(&mut self, id: acp::ToolCallId, cx: &mut Context<Self>) {
+        let project = self.project.clone();
+        let Some((_, tool_call)) = self.tool_call_mut(&id) else {
+            return;
+        };
+        let task = tool_call.resolve_locations(project, cx);
+        cx.spawn(async move |this, cx| {
+            let resolved_locations = task.await;
+            this.update(cx, |this, cx| {
+                let project = this.project.clone();
+                let Some((ix, tool_call)) = this.tool_call_mut(&id) else {
+                    return;
+                };
+                if let Some(Some(location)) = resolved_locations.last() {
+                    project.update(cx, |project, cx| {
+                        if let Some(agent_location) = project.agent_location() {
+                            let should_ignore = agent_location.buffer == location.buffer
+                                && location
+                                    .buffer
+                                    .update(cx, |buffer, _| {
+                                        let snapshot = buffer.snapshot();
+                                        let old_position =
+                                            agent_location.position.to_point(&snapshot);
+                                        let new_position = location.position.to_point(&snapshot);
+                                        // ignore this so that when we get updates from the edit tool
+                                        // the position doesn't reset to the startof line
+                                        old_position.row == new_position.row
+                                            && old_position.column > new_position.column
+                                    })
+                                    .ok()
+                                    .unwrap_or_default();
+                            if !should_ignore {
+                                project.set_agent_location(Some(location.clone()), cx);
+                            }
+                        }
+                    });
+                }
+                if tool_call.resolved_locations != resolved_locations {
+                    tool_call.resolved_locations = resolved_locations;
+                    cx.emit(AcpThreadEvent::EntryUpdated(ix));
+                }
+            })
+        })
+        .detach();
+    }
+
+    pub fn request_tool_call_authorization(
         &mut self,
-        tool_call: acp::ToolCall,
+        tool_call: acp::ToolCallUpdate,
         options: Vec<acp::PermissionOption>,
         cx: &mut Context<Self>,
-    ) -> oneshot::Receiver<acp::PermissionOptionId> {
+    ) -> Result<oneshot::Receiver<acp::PermissionOptionId>, acp::Error> {
         let (tx, rx) = oneshot::channel();
 
         let status = ToolCallStatus::WaitingForConfirmation {
@@ -878,8 +1235,9 @@ impl AcpThread {
             respond_tx: tx,
         };
 
-        self.upsert_tool_call_inner(tool_call, status, cx);
-        rx
+        self.upsert_tool_call_inner(tool_call, status, cx)?;
+        cx.emit(AcpThreadEvent::ToolAuthorizationRequired);
+        Ok(rx)
     }
 
     pub fn authorize_tool_call(
@@ -898,9 +1256,7 @@ impl AcpThread {
                 ToolCallStatus::Rejected
             }
             acp::PermissionOptionKind::AllowOnce | acp::PermissionOptionKind::AllowAlways => {
-                ToolCallStatus::Allowed {
-                    status: acp::ToolCallStatus::InProgress,
-                }
+                ToolCallStatus::InProgress
             }
         };
 
@@ -921,7 +1277,10 @@ impl AcpThread {
             match &entry {
                 AgentThreadEntry::ToolCall(call) => match call.status {
                     ToolCallStatus::WaitingForConfirmation { .. } => return true,
-                    ToolCallStatus::Allowed { .. }
+                    ToolCallStatus::Pending
+                    | ToolCallStatus::InProgress
+                    | ToolCallStatus::Completed
+                    | ToolCallStatus::Failed
                     | ToolCallStatus::Rejected
                     | ToolCallStatus::Canceled => continue,
                 },
@@ -939,13 +1298,26 @@ impl AcpThread {
     }
 
     pub fn update_plan(&mut self, request: acp::Plan, cx: &mut Context<Self>) {
-        self.plan = Plan {
-            entries: request
-                .entries
-                .into_iter()
-                .map(|entry| PlanEntry::from_acp(entry, cx))
-                .collect(),
-        };
+        let new_entries_len = request.entries.len();
+        let mut new_entries = request.entries.into_iter();
+
+        // Reuse existing markdown to prevent flickering
+        for (old, new) in self.plan.entries.iter_mut().zip(new_entries.by_ref()) {
+            let PlanEntry {
+                content,
+                priority,
+                status,
+            } = old;
+            content.update(cx, |old, cx| {
+                old.replace(new.content, cx);
+            });
+            *priority = new.priority;
+            *status = new.status;
+        }
+        for new in new_entries {
+            self.plan.entries.push(PlanEntry::from_acp(new, cx))
+        }
+        self.plan.entries.truncate(new_entries_len);
 
         cx.notify();
     }
@@ -957,10 +1329,6 @@ impl AcpThread {
         cx.notify();
     }
 
-    pub fn authenticate(&self, cx: &mut App) -> impl use<> + Future<Output = Result<()>> {
-        self.connection.authenticate(cx)
-    }
-
     #[cfg(any(test, feature = "test-support"))]
     pub fn send_raw(
         &mut self,
@@ -986,44 +1354,130 @@ impl AcpThread {
             self.project.read(cx).languages().clone(),
             cx,
         );
-        self.push_entry(
-            AgentThreadEntry::UserMessage(UserMessage { content: block }),
-            cx,
-        );
+        let request = acp::PromptRequest {
+            prompt: message.clone(),
+            session_id: self.session_id.clone(),
+        };
+        let git_store = self.project.read(cx).git_store().clone();
+
+        let message_id = if self.connection.truncate(&self.session_id, cx).is_some() {
+            Some(UserMessageId::new())
+        } else {
+            None
+        };
+
+        self.run_turn(cx, async move |this, cx| {
+            this.update(cx, |this, cx| {
+                this.push_entry(
+                    AgentThreadEntry::UserMessage(UserMessage {
+                        id: message_id.clone(),
+                        content: block,
+                        chunks: message,
+                        checkpoint: None,
+                    }),
+                    cx,
+                );
+            })
+            .ok();
+
+            let old_checkpoint = git_store
+                .update(cx, |git, cx| git.checkpoint(cx))?
+                .await
+                .context("failed to get old checkpoint")
+                .log_err();
+            this.update(cx, |this, cx| {
+                if let Some((_ix, message)) = this.last_user_message() {
+                    message.checkpoint = old_checkpoint.map(|git_checkpoint| Checkpoint {
+                        git_checkpoint,
+                        show: false,
+                    });
+                }
+                this.connection.prompt(message_id, request, cx)
+            })?
+            .await
+        })
+    }
+
+    pub fn can_resume(&self, cx: &App) -> bool {
+        self.connection.resume(&self.session_id, cx).is_some()
+    }
+
+    pub fn resume(&mut self, cx: &mut Context<Self>) -> BoxFuture<'static, Result<()>> {
+        self.run_turn(cx, async move |this, cx| {
+            this.update(cx, |this, cx| {
+                this.connection
+                    .resume(&this.session_id, cx)
+                    .map(|resume| resume.run(cx))
+            })?
+            .context("resuming a session is not supported")?
+            .await
+        })
+    }
+
+    fn run_turn(
+        &mut self,
+        cx: &mut Context<Self>,
+        f: impl 'static + AsyncFnOnce(WeakEntity<Self>, &mut AsyncApp) -> Result<acp::PromptResponse>,
+    ) -> BoxFuture<'static, Result<()>> {
         self.clear_completed_plan_entries(cx);
 
         let (tx, rx) = oneshot::channel();
         let cancel_task = self.cancel(cx);
 
         self.send_task = Some(cx.spawn(async move |this, cx| {
-            async {
-                cancel_task.await;
-
-                let result = this
-                    .update(cx, |this, cx| {
-                        this.connection.prompt(
-                            acp::PromptArguments {
-                                prompt: message,
-                                session_id: this.session_id.clone(),
-                            },
-                            cx,
-                        )
-                    })?
-                    .await;
-                tx.send(result).log_err();
-                this.update(cx, |this, _cx| this.send_task.take())?;
-                anyhow::Ok(())
-            }
-            .await
-            .log_err();
+            cancel_task.await;
+            tx.send(f(this, cx).await).ok();
         }));
 
-        async move {
-            match rx.await {
-                Ok(Err(e)) => Err(e)?,
-                _ => Ok(()),
-            }
-        }
+        cx.spawn(async move |this, cx| {
+            let response = rx.await;
+
+            this.update(cx, |this, cx| this.update_last_checkpoint(cx))?
+                .await?;
+
+            this.update(cx, |this, cx| {
+                this.project
+                    .update(cx, |project, cx| project.set_agent_location(None, cx));
+                match response {
+                    Ok(Err(e)) => {
+                        this.send_task.take();
+                        cx.emit(AcpThreadEvent::Error);
+                        Err(e)
+                    }
+                    result => {
+                        let canceled = matches!(
+                            result,
+                            Ok(Ok(acp::PromptResponse {
+                                stop_reason: acp::StopReason::Cancelled
+                            }))
+                        );
+
+                        // We only take the task if the current prompt wasn't canceled.
+                        //
+                        // This prompt may have been canceled because another one was sent
+                        // while it was still generating. In these cases, dropping `send_task`
+                        // would cause the next generation to be canceled.
+                        if !canceled {
+                            this.send_task.take();
+                        }
+
+                        // Truncate entries if the last prompt was refused.
+                        if let Ok(Ok(acp::PromptResponse {
+                            stop_reason: acp::StopReason::Refusal,
+                        })) = result
+                            && let Some((ix, _)) = this.last_user_message()
+                        {
+                            let range = ix..this.entries.len();
+                            this.entries.truncate(ix);
+                            cx.emit(AcpThreadEvent::EntriesRemoved(range));
+                        }
+
+                        cx.emit(AcpThreadEvent::Stopped);
+                        Ok(())
+                    }
+                }
+            })?
+        })
         .boxed()
     }
 
@@ -1036,10 +1490,9 @@ impl AcpThread {
             if let AgentThreadEntry::ToolCall(call) = entry {
                 let cancel = matches!(
                     call.status,
-                    ToolCallStatus::WaitingForConfirmation { .. }
-                        | ToolCallStatus::Allowed {
-                            status: acp::ToolCallStatus::InProgress
-                        }
+                    ToolCallStatus::Pending
+                        | ToolCallStatus::WaitingForConfirmation { .. }
+                        | ToolCallStatus::InProgress
                 );
 
                 if cancel {
@@ -1054,6 +1507,121 @@ impl AcpThread {
         cx.foreground_executor().spawn(send_task)
     }
 
+    /// Rewinds this thread to before the entry at `index`, removing it and all
+    /// subsequent entries while reverting any changes made from that point.
+    pub fn rewind(&mut self, id: UserMessageId, cx: &mut Context<Self>) -> Task<Result<()>> {
+        let Some(truncate) = self.connection.truncate(&self.session_id, cx) else {
+            return Task::ready(Err(anyhow!("not supported")));
+        };
+        let Some(message) = self.user_message(&id) else {
+            return Task::ready(Err(anyhow!("message not found")));
+        };
+
+        let checkpoint = message
+            .checkpoint
+            .as_ref()
+            .map(|c| c.git_checkpoint.clone());
+
+        let git_store = self.project.read(cx).git_store().clone();
+        cx.spawn(async move |this, cx| {
+            if let Some(checkpoint) = checkpoint {
+                git_store
+                    .update(cx, |git, cx| git.restore_checkpoint(checkpoint, cx))?
+                    .await?;
+            }
+
+            cx.update(|cx| truncate.run(id.clone(), cx))?.await?;
+            this.update(cx, |this, cx| {
+                if let Some((ix, _)) = this.user_message_mut(&id) {
+                    let range = ix..this.entries.len();
+                    this.entries.truncate(ix);
+                    cx.emit(AcpThreadEvent::EntriesRemoved(range));
+                }
+            })
+        })
+    }
+
+    fn update_last_checkpoint(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
+        let git_store = self.project.read(cx).git_store().clone();
+
+        let old_checkpoint = if let Some((_, message)) = self.last_user_message() {
+            if let Some(checkpoint) = message.checkpoint.as_ref() {
+                checkpoint.git_checkpoint.clone()
+            } else {
+                return Task::ready(Ok(()));
+            }
+        } else {
+            return Task::ready(Ok(()));
+        };
+
+        let new_checkpoint = git_store.update(cx, |git, cx| git.checkpoint(cx));
+        cx.spawn(async move |this, cx| {
+            let new_checkpoint = new_checkpoint
+                .await
+                .context("failed to get new checkpoint")
+                .log_err();
+            if let Some(new_checkpoint) = new_checkpoint {
+                let equal = git_store
+                    .update(cx, |git, cx| {
+                        git.compare_checkpoints(old_checkpoint.clone(), new_checkpoint, cx)
+                    })?
+                    .await
+                    .unwrap_or(true);
+                this.update(cx, |this, cx| {
+                    let (ix, message) = this.last_user_message().context("no user message")?;
+                    let checkpoint = message.checkpoint.as_mut().context("no checkpoint")?;
+                    checkpoint.show = !equal;
+                    cx.emit(AcpThreadEvent::EntryUpdated(ix));
+                    anyhow::Ok(())
+                })??;
+            }
+
+            Ok(())
+        })
+    }
+
+    fn last_user_message(&mut self) -> Option<(usize, &mut UserMessage)> {
+        self.entries
+            .iter_mut()
+            .enumerate()
+            .rev()
+            .find_map(|(ix, entry)| {
+                if let AgentThreadEntry::UserMessage(message) = entry {
+                    Some((ix, message))
+                } else {
+                    None
+                }
+            })
+    }
+
+    fn user_message(&self, id: &UserMessageId) -> Option<&UserMessage> {
+        self.entries.iter().find_map(|entry| {
+            if let AgentThreadEntry::UserMessage(message) = entry {
+                if message.id.as_ref() == Some(id) {
+                    Some(message)
+                } else {
+                    None
+                }
+            } else {
+                None
+            }
+        })
+    }
+
+    fn user_message_mut(&mut self, id: &UserMessageId) -> Option<(usize, &mut UserMessage)> {
+        self.entries.iter_mut().enumerate().find_map(|(ix, entry)| {
+            if let AgentThreadEntry::UserMessage(message) = entry {
+                if message.id.as_ref() == Some(id) {
+                    Some((ix, message))
+                } else {
+                    None
+                }
+            } else {
+                None
+            }
+        })
+    }
+
     pub fn read_text_file(
         &self,
         path: PathBuf,
@@ -1168,30 +1736,59 @@ impl AcpThread {
                         .collect::<Vec<_>>()
                 })
                 .await;
-            cx.update(|cx| {
-                project.update(cx, |project, cx| {
-                    project.set_agent_location(
-                        Some(AgentLocation {
-                            buffer: buffer.downgrade(),
-                            position: edits
-                                .last()
-                                .map(|(range, _)| range.end)
-                                .unwrap_or(Anchor::MIN),
-                        }),
-                        cx,
-                    );
-                });
 
+            project.update(cx, |project, cx| {
+                project.set_agent_location(
+                    Some(AgentLocation {
+                        buffer: buffer.downgrade(),
+                        position: edits
+                            .last()
+                            .map(|(range, _)| range.end)
+                            .unwrap_or(Anchor::MIN),
+                    }),
+                    cx,
+                );
+            })?;
+
+            let format_on_save = cx.update(|cx| {
                 action_log.update(cx, |action_log, cx| {
                     action_log.buffer_read(buffer.clone(), cx);
                 });
-                buffer.update(cx, |buffer, cx| {
+
+                let format_on_save = buffer.update(cx, |buffer, cx| {
                     buffer.edit(edits, None, cx);
+
+                    let settings = language::language_settings::language_settings(
+                        buffer.language().map(|l| l.name()),
+                        buffer.file(),
+                        cx,
+                    );
+
+                    settings.format_on_save != FormatOnSave::Off
                 });
                 action_log.update(cx, |action_log, cx| {
                     action_log.buffer_edited(buffer.clone(), cx);
                 });
+                format_on_save
             })?;
+
+            if format_on_save {
+                let format_task = project.update(cx, |project, cx| {
+                    project.format(
+                        HashSet::from_iter([buffer.clone()]),
+                        LspFormatTarget::Buffers,
+                        false,
+                        FormatTrigger::Save,
+                        cx,
+                    )
+                })?;
+                format_task.await.log_err();
+
+                action_log.update(cx, |action_log, cx| {
+                    action_log.buffer_edited(buffer.clone(), cx);
+                })?;
+            }
+
             project
                 .update(cx, |project, cx| project.save_buffer(buffer, cx))?
                 .await
@@ -1201,23 +1798,74 @@ impl AcpThread {
     pub fn to_markdown(&self, cx: &App) -> String {
         self.entries.iter().map(|e| e.to_markdown(cx)).collect()
     }
+
+    pub fn emit_load_error(&mut self, error: LoadError, cx: &mut Context<Self>) {
+        cx.emit(AcpThreadEvent::LoadError(error));
+    }
+}
+
+fn markdown_for_raw_output(
+    raw_output: &serde_json::Value,
+    language_registry: &Arc<LanguageRegistry>,
+    cx: &mut App,
+) -> Option<Entity<Markdown>> {
+    match raw_output {
+        serde_json::Value::Null => None,
+        serde_json::Value::Bool(value) => Some(cx.new(|cx| {
+            Markdown::new(
+                value.to_string().into(),
+                Some(language_registry.clone()),
+                None,
+                cx,
+            )
+        })),
+        serde_json::Value::Number(value) => Some(cx.new(|cx| {
+            Markdown::new(
+                value.to_string().into(),
+                Some(language_registry.clone()),
+                None,
+                cx,
+            )
+        })),
+        serde_json::Value::String(value) => Some(cx.new(|cx| {
+            Markdown::new(
+                value.clone().into(),
+                Some(language_registry.clone()),
+                None,
+                cx,
+            )
+        })),
+        value => Some(cx.new(|cx| {
+            Markdown::new(
+                format!("```json\n{}\n```", value).into(),
+                Some(language_registry.clone()),
+                None,
+                cx,
+            )
+        })),
+    }
 }
 
 #[cfg(test)]
 mod tests {
     use super::*;
-    use agentic_coding_protocol as acp_old;
     use anyhow::anyhow;
-    use async_pipe::{PipeReader, PipeWriter};
     use futures::{channel::mpsc, future::LocalBoxFuture, select};
-    use gpui::{AsyncApp, TestAppContext};
+    use gpui::{App, AsyncApp, TestAppContext, WeakEntity};
     use indoc::indoc;
-    use project::FakeFs;
+    use project::{FakeFs, Fs};
+    use rand::Rng as _;
     use serde_json::json;
     use settings::SettingsStore;
-    use smol::{future::BoxedLocal, stream::StreamExt as _};
-    use std::{cell::RefCell, rc::Rc, time::Duration};
-
+    use smol::stream::StreamExt as _;
+    use std::{
+        any::Any,
+        cell::RefCell,
+        path::Path,
+        rc::Rc,
+        sync::atomic::{AtomicBool, AtomicUsize, Ordering::SeqCst},
+        time::Duration,
+    };
     use util::path;
 
     fn init_test(cx: &mut TestAppContext) {
@@ -1236,11 +1884,16 @@ mod tests {
 
         let fs = FakeFs::new(cx.executor());
         let project = Project::test(fs, [], cx).await;
-        let (thread, _fake_server) = fake_acp_thread(project, cx);
+        let connection = Rc::new(FakeAgentConnection::new());
+        let thread = cx
+            .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
+            .await
+            .unwrap();
 
         // Test creating a new user message
         thread.update(cx, |thread, cx| {
             thread.push_user_content_block(
+                None,
                 acp::ContentBlock::Text(acp::TextContent {
                     annotations: None,
                     text: "Hello, ".to_string(),
@@ -1252,6 +1905,7 @@ mod tests {
         thread.update(cx, |thread, cx| {
             assert_eq!(thread.entries.len(), 1);
             if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
+                assert_eq!(user_msg.id, None);
                 assert_eq!(user_msg.content.to_markdown(cx), "Hello, ");
             } else {
                 panic!("Expected UserMessage");
@@ -1259,8 +1913,10 @@ mod tests {
         });
 
         // Test appending to existing user message
+        let message_1_id = UserMessageId::new();
         thread.update(cx, |thread, cx| {
             thread.push_user_content_block(
+                Some(message_1_id.clone()),
                 acp::ContentBlock::Text(acp::TextContent {
                     annotations: None,
                     text: "world!".to_string(),
@@ -1272,6 +1928,7 @@ mod tests {
         thread.update(cx, |thread, cx| {
             assert_eq!(thread.entries.len(), 1);
             if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
+                assert_eq!(user_msg.id, Some(message_1_id));
                 assert_eq!(user_msg.content.to_markdown(cx), "Hello, world!");
             } else {
                 panic!("Expected UserMessage");
@@ -1290,8 +1947,10 @@ mod tests {
             );
         });
 
+        let message_2_id = UserMessageId::new();
         thread.update(cx, |thread, cx| {
             thread.push_user_content_block(
+                Some(message_2_id.clone()),
                 acp::ContentBlock::Text(acp::TextContent {
                     annotations: None,
                     text: "New user message".to_string(),
@@ -1303,6 +1962,7 @@ mod tests {
         thread.update(cx, |thread, cx| {
             assert_eq!(thread.entries.len(), 3);
             if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[2] {
+                assert_eq!(user_msg.id, Some(message_2_id));
                 assert_eq!(user_msg.content.to_markdown(cx), "New user message");
             } else {
                 panic!("Expected UserMessage at index 2");
@@ -1316,34 +1976,39 @@ mod tests {
 
         let fs = FakeFs::new(cx.executor());
         let project = Project::test(fs, [], cx).await;
-        let (thread, fake_server) = fake_acp_thread(project, cx);
+        let connection = Rc::new(FakeAgentConnection::new().on_user_message(
+            |_, thread, mut cx| {
+                async move {
+                    thread.update(&mut cx, |thread, cx| {
+                        thread
+                            .handle_session_update(
+                                acp::SessionUpdate::AgentThoughtChunk {
+                                    content: "Thinking ".into(),
+                                },
+                                cx,
+                            )
+                            .unwrap();
+                        thread
+                            .handle_session_update(
+                                acp::SessionUpdate::AgentThoughtChunk {
+                                    content: "hard!".into(),
+                                },
+                                cx,
+                            )
+                            .unwrap();
+                    })?;
+                    Ok(acp::PromptResponse {
+                        stop_reason: acp::StopReason::EndTurn,
+                    })
+                }
+                .boxed_local()
+            },
+        ));
 
-        fake_server.update(cx, |fake_server, _| {
-            fake_server.on_user_message(move |_, server, mut cx| async move {
-                server
-                    .update(&mut cx, |server, _| {
-                        server.send_to_zed(acp_old::StreamAssistantMessageChunkParams {
-                            chunk: acp_old::AssistantMessageChunk::Thought {
-                                thought: "Thinking ".into(),
-                            },
-                        })
-                    })?
-                    .await
-                    .unwrap();
-                server
-                    .update(&mut cx, |server, _| {
-                        server.send_to_zed(acp_old::StreamAssistantMessageChunkParams {
-                            chunk: acp_old::AssistantMessageChunk::Thought {
-                                thought: "hard!".into(),
-                            },
-                        })
-                    })?
-                    .await
-                    .unwrap();
-
-                Ok(())
-            })
-        });
+        let thread = cx
+            .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
+            .await
+            .unwrap();
 
         thread
             .update(cx, |thread, cx| thread.send_raw("Hello from Zed!", cx))
@@ -1376,7 +2041,40 @@ mod tests {
         fs.insert_tree(path!("/tmp"), json!({"foo": "one\ntwo\nthree\n"}))
             .await;
         let project = Project::test(fs.clone(), [], cx).await;
-        let (thread, fake_server) = fake_acp_thread(project.clone(), cx);
+        let (read_file_tx, read_file_rx) = oneshot::channel::<()>();
+        let read_file_tx = Rc::new(RefCell::new(Some(read_file_tx)));
+        let connection = Rc::new(FakeAgentConnection::new().on_user_message(
+            move |_, thread, mut cx| {
+                let read_file_tx = read_file_tx.clone();
+                async move {
+                    let content = thread
+                        .update(&mut cx, |thread, cx| {
+                            thread.read_text_file(path!("/tmp/foo").into(), None, None, false, cx)
+                        })
+                        .unwrap()
+                        .await
+                        .unwrap();
+                    assert_eq!(content, "one\ntwo\nthree\n");
+                    read_file_tx.take().unwrap().send(()).unwrap();
+                    thread
+                        .update(&mut cx, |thread, cx| {
+                            thread.write_text_file(
+                                path!("/tmp/foo").into(),
+                                "one\ntwo\nthree\nfour\nfive\n".to_string(),
+                                cx,
+                            )
+                        })
+                        .unwrap()
+                        .await
+                        .unwrap();
+                    Ok(acp::PromptResponse {
+                        stop_reason: acp::StopReason::EndTurn,
+                    })
+                }
+                .boxed_local()
+            },
+        ));
+
         let (worktree, pathbuf) = project
             .update(cx, |project, cx| {
                 project.find_or_create_worktree(path!("/tmp/foo"), true, cx)
@@ -1390,38 +2088,10 @@ mod tests {
             .await
             .unwrap();
 
-        let (read_file_tx, read_file_rx) = oneshot::channel::<()>();
-        let read_file_tx = Rc::new(RefCell::new(Some(read_file_tx)));
-
-        fake_server.update(cx, |fake_server, _| {
-            fake_server.on_user_message(move |_, server, mut cx| {
-                let read_file_tx = read_file_tx.clone();
-                async move {
-                    let content = server
-                        .update(&mut cx, |server, _| {
-                            server.send_to_zed(acp_old::ReadTextFileParams {
-                                path: path!("/tmp/foo").into(),
-                                line: None,
-                                limit: None,
-                            })
-                        })?
-                        .await
-                        .unwrap();
-                    assert_eq!(content.content, "one\ntwo\nthree\n");
-                    read_file_tx.take().unwrap().send(()).unwrap();
-                    server
-                        .update(&mut cx, |server, _| {
-                            server.send_to_zed(acp_old::WriteTextFileParams {
-                                path: path!("/tmp/foo").into(),
-                                content: "one\ntwo\nthree\nfour\nfive\n".to_string(),
-                            })
-                        })?
-                        .await
-                        .unwrap();
-                    Ok(())
-                }
-            })
-        });
+        let thread = cx
+            .update(|cx| connection.new_thread(project, Path::new(path!("/tmp")), cx))
+            .await
+            .unwrap();
 
         let request = thread.update(cx, |thread, cx| {
             thread.send_raw("Extend the count in /tmp/foo", cx)
@@ -1448,36 +2118,43 @@ mod tests {
 
         let fs = FakeFs::new(cx.executor());
         let project = Project::test(fs, [], cx).await;
-        let (thread, fake_server) = fake_acp_thread(project, cx);
+        let id = acp::ToolCallId("test".into());
 
-        let (end_turn_tx, end_turn_rx) = oneshot::channel::<()>();
-
-        let tool_call_id = Rc::new(RefCell::new(None));
-        let end_turn_rx = Rc::new(RefCell::new(Some(end_turn_rx)));
-        fake_server.update(cx, |fake_server, _| {
-            let tool_call_id = tool_call_id.clone();
-            fake_server.on_user_message(move |_, server, mut cx| {
-                let end_turn_rx = end_turn_rx.clone();
-                let tool_call_id = tool_call_id.clone();
+        let connection = Rc::new(FakeAgentConnection::new().on_user_message({
+            let id = id.clone();
+            move |_, thread, mut cx| {
+                let id = id.clone();
                 async move {
-                    let tool_call_result = server
-                        .update(&mut cx, |server, _| {
-                            server.send_to_zed(acp_old::PushToolCallParams {
-                                label: "Fetch".to_string(),
-                                icon: acp_old::Icon::Globe,
-                                content: None,
-                                locations: vec![],
-                            })
-                        })?
-                        .await
+                    thread
+                        .update(&mut cx, |thread, cx| {
+                            thread.handle_session_update(
+                                acp::SessionUpdate::ToolCall(acp::ToolCall {
+                                    id: id.clone(),
+                                    title: "Label".into(),
+                                    kind: acp::ToolKind::Fetch,
+                                    status: acp::ToolCallStatus::InProgress,
+                                    content: vec![],
+                                    locations: vec![],
+                                    raw_input: None,
+                                    raw_output: None,
+                                }),
+                                cx,
+                            )
+                        })
+                        .unwrap()
                         .unwrap();
-                    *tool_call_id.clone().borrow_mut() = Some(tool_call_result.id);
-                    end_turn_rx.take().unwrap().await.ok();
-
-                    Ok(())
+                    Ok(acp::PromptResponse {
+                        stop_reason: acp::StopReason::EndTurn,
+                    })
                 }
-            })
-        });
+                .boxed_local()
+            }
+        }));
+
+        let thread = cx
+            .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
+            .await
+            .unwrap();
 
         let request = thread.update(cx, |thread, cx| {
             thread.send_raw("Fetch https://example.com", cx)
@@ -1489,17 +2166,12 @@ mod tests {
             assert!(matches!(
                 thread.entries[1],
                 AgentThreadEntry::ToolCall(ToolCall {
-                    status: ToolCallStatus::Allowed {
-                        status: acp::ToolCallStatus::InProgress,
-                        ..
-                    },
+                    status: ToolCallStatus::InProgress,
                     ..
                 })
             ));
         });
 
-        cx.run_until_parked();
-
         thread.update(cx, |thread, cx| thread.cancel(cx)).await;
 
         thread.read_with(cx, |thread, _| {
@@ -1512,34 +2184,354 @@ mod tests {
             ));
         });
 
-        fake_server
-            .update(cx, |fake_server, _| {
-                fake_server.send_to_zed(acp_old::UpdateToolCallParams {
-                    tool_call_id: tool_call_id.borrow().unwrap(),
-                    status: acp_old::ToolCallStatus::Finished,
-                    content: None,
-                })
+        thread
+            .update(cx, |thread, cx| {
+                thread.handle_session_update(
+                    acp::SessionUpdate::ToolCallUpdate(acp::ToolCallUpdate {
+                        id,
+                        fields: acp::ToolCallUpdateFields {
+                            status: Some(acp::ToolCallStatus::Completed),
+                            ..Default::default()
+                        },
+                    }),
+                    cx,
+                )
             })
-            .await
             .unwrap();
 
-        drop(end_turn_tx);
-        assert!(request.await.unwrap_err().to_string().contains("canceled"));
+        request.await.unwrap();
 
         thread.read_with(cx, |thread, _| {
             assert!(matches!(
                 thread.entries[1],
                 AgentThreadEntry::ToolCall(ToolCall {
-                    status: ToolCallStatus::Allowed {
-                        status: acp::ToolCallStatus::Completed,
-                        ..
-                    },
+                    status: ToolCallStatus::Completed,
                     ..
                 })
             ));
         });
     }
 
+    #[gpui::test]
+    async fn test_no_pending_edits_if_tool_calls_are_completed(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.background_executor.clone());
+        fs.insert_tree(path!("/test"), json!({})).await;
+        let project = Project::test(fs, [path!("/test").as_ref()], cx).await;
+
+        let connection = Rc::new(FakeAgentConnection::new().on_user_message({
+            move |_, thread, mut cx| {
+                async move {
+                    thread
+                        .update(&mut cx, |thread, cx| {
+                            thread.handle_session_update(
+                                acp::SessionUpdate::ToolCall(acp::ToolCall {
+                                    id: acp::ToolCallId("test".into()),
+                                    title: "Label".into(),
+                                    kind: acp::ToolKind::Edit,
+                                    status: acp::ToolCallStatus::Completed,
+                                    content: vec![acp::ToolCallContent::Diff {
+                                        diff: acp::Diff {
+                                            path: "/test/test.txt".into(),
+                                            old_text: None,
+                                            new_text: "foo".into(),
+                                        },
+                                    }],
+                                    locations: vec![],
+                                    raw_input: None,
+                                    raw_output: None,
+                                }),
+                                cx,
+                            )
+                        })
+                        .unwrap()
+                        .unwrap();
+                    Ok(acp::PromptResponse {
+                        stop_reason: acp::StopReason::EndTurn,
+                    })
+                }
+                .boxed_local()
+            }
+        }));
+
+        let thread = cx
+            .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
+            .await
+            .unwrap();
+
+        cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["Hi".into()], cx)))
+            .await
+            .unwrap();
+
+        assert!(cx.read(|cx| !thread.read(cx).has_pending_edit_tool_calls()));
+    }
+
+    #[gpui::test(iterations = 10)]
+    async fn test_checkpoints(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.background_executor.clone());
+        fs.insert_tree(
+            path!("/test"),
+            json!({
+                ".git": {}
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/test").as_ref()], cx).await;
+
+        let simulate_changes = Arc::new(AtomicBool::new(true));
+        let next_filename = Arc::new(AtomicUsize::new(0));
+        let connection = Rc::new(FakeAgentConnection::new().on_user_message({
+            let simulate_changes = simulate_changes.clone();
+            let next_filename = next_filename.clone();
+            let fs = fs.clone();
+            move |request, thread, mut cx| {
+                let fs = fs.clone();
+                let simulate_changes = simulate_changes.clone();
+                let next_filename = next_filename.clone();
+                async move {
+                    if simulate_changes.load(SeqCst) {
+                        let filename = format!("/test/file-{}", next_filename.fetch_add(1, SeqCst));
+                        fs.write(Path::new(&filename), b"").await?;
+                    }
+
+                    let acp::ContentBlock::Text(content) = &request.prompt[0] else {
+                        panic!("expected text content block");
+                    };
+                    thread.update(&mut cx, |thread, cx| {
+                        thread
+                            .handle_session_update(
+                                acp::SessionUpdate::AgentMessageChunk {
+                                    content: content.text.to_uppercase().into(),
+                                },
+                                cx,
+                            )
+                            .unwrap();
+                    })?;
+                    Ok(acp::PromptResponse {
+                        stop_reason: acp::StopReason::EndTurn,
+                    })
+                }
+                .boxed_local()
+            }
+        }));
+        let thread = cx
+            .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
+            .await
+            .unwrap();
+
+        cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["Lorem".into()], cx)))
+            .await
+            .unwrap();
+        thread.read_with(cx, |thread, cx| {
+            assert_eq!(
+                thread.to_markdown(cx),
+                indoc! {"
+                    ## User (checkpoint)
+
+                    Lorem
+
+                    ## Assistant
+
+                    LOREM
+
+                "}
+            );
+        });
+        assert_eq!(fs.files(), vec![Path::new(path!("/test/file-0"))]);
+
+        cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["ipsum".into()], cx)))
+            .await
+            .unwrap();
+        thread.read_with(cx, |thread, cx| {
+            assert_eq!(
+                thread.to_markdown(cx),
+                indoc! {"
+                    ## User (checkpoint)
+
+                    Lorem
+
+                    ## Assistant
+
+                    LOREM
+
+                    ## User (checkpoint)
+
+                    ipsum
+
+                    ## Assistant
+
+                    IPSUM
+
+                "}
+            );
+        });
+        assert_eq!(
+            fs.files(),
+            vec![
+                Path::new(path!("/test/file-0")),
+                Path::new(path!("/test/file-1"))
+            ]
+        );
+
+        // Checkpoint isn't stored when there are no changes.
+        simulate_changes.store(false, SeqCst);
+        cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["dolor".into()], cx)))
+            .await
+            .unwrap();
+        thread.read_with(cx, |thread, cx| {
+            assert_eq!(
+                thread.to_markdown(cx),
+                indoc! {"
+                    ## User (checkpoint)
+
+                    Lorem
+
+                    ## Assistant
+
+                    LOREM
+
+                    ## User (checkpoint)
+
+                    ipsum
+
+                    ## Assistant
+
+                    IPSUM
+
+                    ## User
+
+                    dolor
+
+                    ## Assistant
+
+                    DOLOR
+
+                "}
+            );
+        });
+        assert_eq!(
+            fs.files(),
+            vec![
+                Path::new(path!("/test/file-0")),
+                Path::new(path!("/test/file-1"))
+            ]
+        );
+
+        // Rewinding the conversation truncates the history and restores the checkpoint.
+        thread
+            .update(cx, |thread, cx| {
+                let AgentThreadEntry::UserMessage(message) = &thread.entries[2] else {
+                    panic!("unexpected entries {:?}", thread.entries)
+                };
+                thread.rewind(message.id.clone().unwrap(), cx)
+            })
+            .await
+            .unwrap();
+        thread.read_with(cx, |thread, cx| {
+            assert_eq!(
+                thread.to_markdown(cx),
+                indoc! {"
+                    ## User (checkpoint)
+
+                    Lorem
+
+                    ## Assistant
+
+                    LOREM
+
+                "}
+            );
+        });
+        assert_eq!(fs.files(), vec![Path::new(path!("/test/file-0"))]);
+    }
+
+    #[gpui::test]
+    async fn test_refusal(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.background_executor.clone());
+        fs.insert_tree(path!("/"), json!({})).await;
+        let project = Project::test(fs.clone(), [path!("/").as_ref()], cx).await;
+
+        let refuse_next = Arc::new(AtomicBool::new(false));
+        let connection = Rc::new(FakeAgentConnection::new().on_user_message({
+            let refuse_next = refuse_next.clone();
+            move |request, thread, mut cx| {
+                let refuse_next = refuse_next.clone();
+                async move {
+                    if refuse_next.load(SeqCst) {
+                        return Ok(acp::PromptResponse {
+                            stop_reason: acp::StopReason::Refusal,
+                        });
+                    }
+
+                    let acp::ContentBlock::Text(content) = &request.prompt[0] else {
+                        panic!("expected text content block");
+                    };
+                    thread.update(&mut cx, |thread, cx| {
+                        thread
+                            .handle_session_update(
+                                acp::SessionUpdate::AgentMessageChunk {
+                                    content: content.text.to_uppercase().into(),
+                                },
+                                cx,
+                            )
+                            .unwrap();
+                    })?;
+                    Ok(acp::PromptResponse {
+                        stop_reason: acp::StopReason::EndTurn,
+                    })
+                }
+                .boxed_local()
+            }
+        }));
+        let thread = cx
+            .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
+            .await
+            .unwrap();
+
+        cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["hello".into()], cx)))
+            .await
+            .unwrap();
+        thread.read_with(cx, |thread, cx| {
+            assert_eq!(
+                thread.to_markdown(cx),
+                indoc! {"
+                    ## User
+
+                    hello
+
+                    ## Assistant
+
+                    HELLO
+
+                "}
+            );
+        });
+
+        // Simulate refusing the second message, ensuring the conversation gets
+        // truncated to before sending it.
+        refuse_next.store(true, SeqCst);
+        cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["world".into()], cx)))
+            .await
+            .unwrap();
+        thread.read_with(cx, |thread, cx| {
+            assert_eq!(
+                thread.to_markdown(cx),
+                indoc! {"
+                    ## User
+
+                    hello
+
+                    ## Assistant
+
+                    HELLO
+
+                "}
+            );
+        });
+    }
+
     async fn run_until_first_tool_call(
         thread: &Entity<AcpThread>,
         cx: &mut TestAppContext,
@@ -1567,169 +2559,152 @@ mod tests {
         }
     }
 
-    pub fn fake_acp_thread(
-        project: Entity<Project>,
-        cx: &mut TestAppContext,
-    ) -> (Entity<AcpThread>, Entity<FakeAcpServer>) {
-        let (stdin_tx, stdin_rx) = async_pipe::pipe();
-        let (stdout_tx, stdout_rx) = async_pipe::pipe();
-
-        let thread = cx.new(|cx| {
-            let foreground_executor = cx.foreground_executor().clone();
-            let thread_rc = Rc::new(RefCell::new(cx.entity().downgrade()));
-
-            let (connection, io_fut) = acp_old::AgentConnection::connect_to_agent(
-                OldAcpClientDelegate::new(thread_rc.clone(), cx.to_async()),
-                stdin_tx,
-                stdout_rx,
-                move |fut| {
-                    foreground_executor.spawn(fut).detach();
-                },
-            );
-
-            let io_task = cx.background_spawn({
-                async move {
-                    io_fut.await.log_err();
-                    Ok(())
-                }
-            });
-            let connection = OldAcpAgentConnection {
-                name: "test",
-                connection,
-                child_status: io_task,
-                current_thread: thread_rc,
-            };
-
-            AcpThread::new(
-                Rc::new(connection),
-                project,
-                acp::SessionId("test".into()),
-                cx,
-            )
-        });
-        let agent = cx.update(|cx| cx.new(|cx| FakeAcpServer::new(stdin_rx, stdout_tx, cx)));
-        (thread, agent)
-    }
-
-    pub struct FakeAcpServer {
-        connection: acp_old::ClientConnection,
-
-        _io_task: Task<()>,
+    #[derive(Clone, Default)]
+    struct FakeAgentConnection {
+        auth_methods: Vec<acp::AuthMethod>,
+        sessions: Arc<parking_lot::Mutex<HashMap<acp::SessionId, WeakEntity<AcpThread>>>>,
         on_user_message: Option<
             Rc<
                 dyn Fn(
-                    acp_old::SendUserMessageParams,
-                    Entity<FakeAcpServer>,
-                    AsyncApp,
-                ) -> LocalBoxFuture<'static, Result<(), acp_old::Error>>,
+                        acp::PromptRequest,
+                        WeakEntity<AcpThread>,
+                        AsyncApp,
+                    ) -> LocalBoxFuture<'static, Result<acp::PromptResponse>>
+                    + 'static,
             >,
         >,
     }
 
-    #[derive(Clone)]
-    struct FakeAgent {
-        server: Entity<FakeAcpServer>,
-        cx: AsyncApp,
-        cancel_tx: Rc<RefCell<Option<oneshot::Sender<()>>>>,
-    }
-
-    impl acp_old::Agent for FakeAgent {
-        async fn initialize(
-            &self,
-            params: acp_old::InitializeParams,
-        ) -> Result<acp_old::InitializeResponse, acp_old::Error> {
-            Ok(acp_old::InitializeResponse {
-                protocol_version: params.protocol_version,
-                is_authenticated: true,
-            })
-        }
-
-        async fn authenticate(&self) -> Result<(), acp_old::Error> {
-            Ok(())
-        }
-
-        async fn cancel_send_message(&self) -> Result<(), acp_old::Error> {
-            if let Some(cancel_tx) = self.cancel_tx.take() {
-                cancel_tx.send(()).log_err();
-            }
-            Ok(())
-        }
-
-        async fn send_user_message(
-            &self,
-            request: acp_old::SendUserMessageParams,
-        ) -> Result<(), acp_old::Error> {
-            let (cancel_tx, cancel_rx) = oneshot::channel();
-            self.cancel_tx.replace(Some(cancel_tx));
-
-            let mut cx = self.cx.clone();
-            let handler = self
-                .server
-                .update(&mut cx, |server, _| server.on_user_message.clone())
-                .ok()
-                .flatten();
-            if let Some(handler) = handler {
-                select! {
-                    _ = cancel_rx.fuse() => Err(anyhow::anyhow!("Message sending canceled").into()),
-                    _ = handler(request, self.server.clone(), self.cx.clone()).fuse() => Ok(()),
-                }
-            } else {
-                Err(anyhow::anyhow!("No handler for on_user_message").into())
-            }
-        }
-    }
-
-    impl FakeAcpServer {
-        fn new(stdin: PipeReader, stdout: PipeWriter, cx: &Context<Self>) -> Self {
-            let agent = FakeAgent {
-                server: cx.entity(),
-                cx: cx.to_async(),
-                cancel_tx: Default::default(),
-            };
-            let foreground_executor = cx.foreground_executor().clone();
-
-            let (connection, io_fut) = acp_old::ClientConnection::connect_to_client(
-                agent.clone(),
-                stdout,
-                stdin,
-                move |fut| {
-                    foreground_executor.spawn(fut).detach();
-                },
-            );
-            FakeAcpServer {
-                connection: connection,
+    impl FakeAgentConnection {
+        fn new() -> Self {
+            Self {
+                auth_methods: Vec::new(),
                 on_user_message: None,
-                _io_task: cx.background_spawn(async move {
-                    io_fut.await.log_err();
-                }),
+                sessions: Arc::default(),
             }
         }
 
-        fn on_user_message<F>(
-            &mut self,
-            handler: impl for<'a> Fn(
-                acp_old::SendUserMessageParams,
-                Entity<FakeAcpServer>,
-                AsyncApp,
-            ) -> F
-            + 'static,
-        ) where
-            F: Future<Output = Result<(), acp_old::Error>> + 'static,
-        {
-            self.on_user_message
-                .replace(Rc::new(move |request, server, cx| {
-                    handler(request, server, cx).boxed_local()
-                }));
+        #[expect(unused)]
+        fn with_auth_methods(mut self, auth_methods: Vec<acp::AuthMethod>) -> Self {
+            self.auth_methods = auth_methods;
+            self
         }
 
-        fn send_to_zed<T: acp_old::ClientRequest + 'static>(
+        fn on_user_message(
+            mut self,
+            handler: impl Fn(
+                acp::PromptRequest,
+                WeakEntity<AcpThread>,
+                AsyncApp,
+            ) -> LocalBoxFuture<'static, Result<acp::PromptResponse>>
+            + 'static,
+        ) -> Self {
+            self.on_user_message.replace(Rc::new(handler));
+            self
+        }
+    }
+
+    impl AgentConnection for FakeAgentConnection {
+        fn auth_methods(&self) -> &[acp::AuthMethod] {
+            &self.auth_methods
+        }
+
+        fn new_thread(
+            self: Rc<Self>,
+            project: Entity<Project>,
+            _cwd: &Path,
+            cx: &mut App,
+        ) -> Task<gpui::Result<Entity<AcpThread>>> {
+            let session_id = acp::SessionId(
+                rand::thread_rng()
+                    .sample_iter(&rand::distributions::Alphanumeric)
+                    .take(7)
+                    .map(char::from)
+                    .collect::<String>()
+                    .into(),
+            );
+            let action_log = cx.new(|_| ActionLog::new(project.clone()));
+            let thread = cx.new(|cx| {
+                AcpThread::new(
+                    "Test",
+                    self.clone(),
+                    project,
+                    action_log,
+                    session_id.clone(),
+                    watch::Receiver::constant(acp::PromptCapabilities {
+                        image: true,
+                        audio: true,
+                        embedded_context: true,
+                    }),
+                    cx,
+                )
+            });
+            self.sessions.lock().insert(session_id, thread.downgrade());
+            Task::ready(Ok(thread))
+        }
+
+        fn authenticate(&self, method: acp::AuthMethodId, _cx: &mut App) -> Task<gpui::Result<()>> {
+            if self.auth_methods().iter().any(|m| m.id == method) {
+                Task::ready(Ok(()))
+            } else {
+                Task::ready(Err(anyhow!("Invalid Auth Method")))
+            }
+        }
+
+        fn prompt(
             &self,
-            message: T,
-        ) -> BoxedLocal<Result<T::Response>> {
-            self.connection
-                .request(message)
-                .map(|f| f.map_err(|err| anyhow!(err)))
-                .boxed_local()
+            _id: Option<UserMessageId>,
+            params: acp::PromptRequest,
+            cx: &mut App,
+        ) -> Task<gpui::Result<acp::PromptResponse>> {
+            let sessions = self.sessions.lock();
+            let thread = sessions.get(&params.session_id).unwrap();
+            if let Some(handler) = &self.on_user_message {
+                let handler = handler.clone();
+                let thread = thread.clone();
+                cx.spawn(async move |cx| handler(params, thread, cx.clone()).await)
+            } else {
+                Task::ready(Ok(acp::PromptResponse {
+                    stop_reason: acp::StopReason::EndTurn,
+                }))
+            }
+        }
+
+        fn cancel(&self, session_id: &acp::SessionId, cx: &mut App) {
+            let sessions = self.sessions.lock();
+            let thread = sessions.get(session_id).unwrap().clone();
+
+            cx.spawn(async move |cx| {
+                thread
+                    .update(cx, |thread, cx| thread.cancel(cx))
+                    .unwrap()
+                    .await
+            })
+            .detach();
+        }
+
+        fn truncate(
+            &self,
+            session_id: &acp::SessionId,
+            _cx: &App,
+        ) -> Option<Rc<dyn AgentSessionTruncate>> {
+            Some(Rc::new(FakeAgentSessionEditor {
+                _session_id: session_id.clone(),
+            }))
+        }
+
+        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
+            self
+        }
+    }
+
+    struct FakeAgentSessionEditor {
+        _session_id: acp::SessionId,
+    }
+
+    impl AgentSessionTruncate for FakeAgentSessionEditor {
+        fn run(&self, _message_id: UserMessageId, _cx: &mut App) -> Task<Result<()>> {
+            Task::ready(Ok(()))
         }
     }
 }
diff --git a/crates/acp_thread/src/connection.rs b/crates/acp_thread/src/connection.rs
index 5b25b71863..af229b7545 100644
--- a/crates/acp_thread/src/connection.rs
+++ b/crates/acp_thread/src/connection.rs
@@ -1,26 +1,458 @@
-use std::{path::Path, rc::Rc};
-
-use agent_client_protocol as acp;
-use anyhow::Result;
-use gpui::{AsyncApp, Entity, Task};
-use project::Project;
-use ui::App;
-
 use crate::AcpThread;
+use agent_client_protocol::{self as acp};
+use anyhow::Result;
+use collections::IndexMap;
+use gpui::{Entity, SharedString, Task};
+use language_model::LanguageModelProviderId;
+use project::Project;
+use serde::{Deserialize, Serialize};
+use std::{any::Any, error::Error, fmt, path::Path, rc::Rc, sync::Arc};
+use ui::{App, IconName};
+use uuid::Uuid;
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]
+pub struct UserMessageId(Arc<str>);
+
+impl UserMessageId {
+    pub fn new() -> Self {
+        Self(Uuid::new_v4().to_string().into())
+    }
+}
 
 pub trait AgentConnection {
-    fn name(&self) -> &'static str;
-
     fn new_thread(
         self: Rc<Self>,
         project: Entity<Project>,
         cwd: &Path,
-        cx: &mut AsyncApp,
+        cx: &mut App,
     ) -> Task<Result<Entity<AcpThread>>>;
 
-    fn authenticate(&self, cx: &mut App) -> Task<Result<()>>;
+    fn auth_methods(&self) -> &[acp::AuthMethod];
 
-    fn prompt(&self, params: acp::PromptArguments, cx: &mut App) -> Task<Result<()>>;
+    fn authenticate(&self, method: acp::AuthMethodId, cx: &mut App) -> Task<Result<()>>;
+
+    fn prompt(
+        &self,
+        user_message_id: Option<UserMessageId>,
+        params: acp::PromptRequest,
+        cx: &mut App,
+    ) -> Task<Result<acp::PromptResponse>>;
+
+    fn resume(
+        &self,
+        _session_id: &acp::SessionId,
+        _cx: &App,
+    ) -> Option<Rc<dyn AgentSessionResume>> {
+        None
+    }
 
     fn cancel(&self, session_id: &acp::SessionId, cx: &mut App);
+
+    fn truncate(
+        &self,
+        _session_id: &acp::SessionId,
+        _cx: &App,
+    ) -> Option<Rc<dyn AgentSessionTruncate>> {
+        None
+    }
+
+    fn set_title(
+        &self,
+        _session_id: &acp::SessionId,
+        _cx: &App,
+    ) -> Option<Rc<dyn AgentSessionSetTitle>> {
+        None
+    }
+
+    /// Returns this agent as an [Rc<dyn ModelSelector>] if the model selection capability is supported.
+    ///
+    /// If the agent does not support model selection, returns [None].
+    /// This allows sharing the selector in UI components.
+    fn model_selector(&self) -> Option<Rc<dyn AgentModelSelector>> {
+        None
+    }
+
+    fn telemetry(&self) -> Option<Rc<dyn AgentTelemetry>> {
+        None
+    }
+
+    fn into_any(self: Rc<Self>) -> Rc<dyn Any>;
 }
+
+impl dyn AgentConnection {
+    pub fn downcast<T: 'static + AgentConnection + Sized>(self: Rc<Self>) -> Option<Rc<T>> {
+        self.into_any().downcast().ok()
+    }
+}
+
+pub trait AgentSessionTruncate {
+    fn run(&self, message_id: UserMessageId, cx: &mut App) -> Task<Result<()>>;
+}
+
+pub trait AgentSessionResume {
+    fn run(&self, cx: &mut App) -> Task<Result<acp::PromptResponse>>;
+}
+
+pub trait AgentSessionSetTitle {
+    fn run(&self, title: SharedString, cx: &mut App) -> Task<Result<()>>;
+}
+
+pub trait AgentTelemetry {
+    /// The name of the agent used for telemetry.
+    fn agent_name(&self) -> String;
+
+    /// A representation of the current thread state that can be serialized for
+    /// storage with telemetry events.
+    fn thread_data(
+        &self,
+        session_id: &acp::SessionId,
+        cx: &mut App,
+    ) -> Task<Result<serde_json::Value>>;
+}
+
+#[derive(Debug)]
+pub struct AuthRequired {
+    pub description: Option<String>,
+    pub provider_id: Option<LanguageModelProviderId>,
+}
+
+impl AuthRequired {
+    pub fn new() -> Self {
+        Self {
+            description: None,
+            provider_id: None,
+        }
+    }
+
+    pub fn with_description(mut self, description: String) -> Self {
+        self.description = Some(description);
+        self
+    }
+
+    pub fn with_language_model_provider(mut self, provider_id: LanguageModelProviderId) -> Self {
+        self.provider_id = Some(provider_id);
+        self
+    }
+}
+
+impl Error for AuthRequired {}
+impl fmt::Display for AuthRequired {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "Authentication required")
+    }
+}
+
+/// Trait for agents that support listing, selecting, and querying language models.
+///
+/// This is an optional capability; agents indicate support via [AgentConnection::model_selector].
+pub trait AgentModelSelector: 'static {
+    /// Lists all available language models for this agent.
+    ///
+    /// # Parameters
+    /// - `cx`: The GPUI app context for async operations and global access.
+    ///
+    /// # Returns
+    /// A task resolving to the list of models or an error (e.g., if no models are configured).
+    fn list_models(&self, cx: &mut App) -> Task<Result<AgentModelList>>;
+
+    /// Selects a model for a specific session (thread).
+    ///
+    /// This sets the default model for future interactions in the session.
+    /// If the session doesn't exist or the model is invalid, it returns an error.
+    ///
+    /// # Parameters
+    /// - `session_id`: The ID of the session (thread) to apply the model to.
+    /// - `model`: The model to select (should be one from [list_models]).
+    /// - `cx`: The GPUI app context.
+    ///
+    /// # Returns
+    /// A task resolving to `Ok(())` on success or an error.
+    fn select_model(
+        &self,
+        session_id: acp::SessionId,
+        model_id: AgentModelId,
+        cx: &mut App,
+    ) -> Task<Result<()>>;
+
+    /// Retrieves the currently selected model for a specific session (thread).
+    ///
+    /// # Parameters
+    /// - `session_id`: The ID of the session (thread) to query.
+    /// - `cx`: The GPUI app context.
+    ///
+    /// # Returns
+    /// A task resolving to the selected model (always set) or an error (e.g., session not found).
+    fn selected_model(
+        &self,
+        session_id: &acp::SessionId,
+        cx: &mut App,
+    ) -> Task<Result<AgentModelInfo>>;
+
+    /// Whenever the model list is updated the receiver will be notified.
+    fn watch(&self, cx: &mut App) -> watch::Receiver<()>;
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct AgentModelId(pub SharedString);
+
+impl std::ops::Deref for AgentModelId {
+    type Target = SharedString;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl fmt::Display for AgentModelId {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        self.0.fmt(f)
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct AgentModelInfo {
+    pub id: AgentModelId,
+    pub name: SharedString,
+    pub icon: Option<IconName>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct AgentModelGroupName(pub SharedString);
+
+#[derive(Debug, Clone)]
+pub enum AgentModelList {
+    Flat(Vec<AgentModelInfo>),
+    Grouped(IndexMap<AgentModelGroupName, Vec<AgentModelInfo>>),
+}
+
+impl AgentModelList {
+    pub fn is_empty(&self) -> bool {
+        match self {
+            AgentModelList::Flat(models) => models.is_empty(),
+            AgentModelList::Grouped(groups) => groups.is_empty(),
+        }
+    }
+}
+
+#[cfg(feature = "test-support")]
+mod test_support {
+    use std::sync::Arc;
+
+    use action_log::ActionLog;
+    use collections::HashMap;
+    use futures::{channel::oneshot, future::try_join_all};
+    use gpui::{AppContext as _, WeakEntity};
+    use parking_lot::Mutex;
+
+    use super::*;
+
+    #[derive(Clone, Default)]
+    pub struct StubAgentConnection {
+        sessions: Arc<Mutex<HashMap<acp::SessionId, Session>>>,
+        permission_requests: HashMap<acp::ToolCallId, Vec<acp::PermissionOption>>,
+        next_prompt_updates: Arc<Mutex<Vec<acp::SessionUpdate>>>,
+    }
+
+    struct Session {
+        thread: WeakEntity<AcpThread>,
+        response_tx: Option<oneshot::Sender<acp::StopReason>>,
+    }
+
+    impl StubAgentConnection {
+        pub fn new() -> Self {
+            Self {
+                next_prompt_updates: Default::default(),
+                permission_requests: HashMap::default(),
+                sessions: Arc::default(),
+            }
+        }
+
+        pub fn set_next_prompt_updates(&self, updates: Vec<acp::SessionUpdate>) {
+            *self.next_prompt_updates.lock() = updates;
+        }
+
+        pub fn with_permission_requests(
+            mut self,
+            permission_requests: HashMap<acp::ToolCallId, Vec<acp::PermissionOption>>,
+        ) -> Self {
+            self.permission_requests = permission_requests;
+            self
+        }
+
+        pub fn send_update(
+            &self,
+            session_id: acp::SessionId,
+            update: acp::SessionUpdate,
+            cx: &mut App,
+        ) {
+            assert!(
+                self.next_prompt_updates.lock().is_empty(),
+                "Use either send_update or set_next_prompt_updates"
+            );
+
+            self.sessions
+                .lock()
+                .get(&session_id)
+                .unwrap()
+                .thread
+                .update(cx, |thread, cx| {
+                    thread.handle_session_update(update, cx).unwrap();
+                })
+                .unwrap();
+        }
+
+        pub fn end_turn(&self, session_id: acp::SessionId, stop_reason: acp::StopReason) {
+            self.sessions
+                .lock()
+                .get_mut(&session_id)
+                .unwrap()
+                .response_tx
+                .take()
+                .expect("No pending turn")
+                .send(stop_reason)
+                .unwrap();
+        }
+    }
+
+    impl AgentConnection for StubAgentConnection {
+        fn auth_methods(&self) -> &[acp::AuthMethod] {
+            &[]
+        }
+
+        fn new_thread(
+            self: Rc<Self>,
+            project: Entity<Project>,
+            _cwd: &Path,
+            cx: &mut gpui::App,
+        ) -> Task<gpui::Result<Entity<AcpThread>>> {
+            let session_id = acp::SessionId(self.sessions.lock().len().to_string().into());
+            let action_log = cx.new(|_| ActionLog::new(project.clone()));
+            let thread = cx.new(|cx| {
+                AcpThread::new(
+                    "Test",
+                    self.clone(),
+                    project,
+                    action_log,
+                    session_id.clone(),
+                    watch::Receiver::constant(acp::PromptCapabilities {
+                        image: true,
+                        audio: true,
+                        embedded_context: true,
+                    }),
+                    cx,
+                )
+            });
+            self.sessions.lock().insert(
+                session_id,
+                Session {
+                    thread: thread.downgrade(),
+                    response_tx: None,
+                },
+            );
+            Task::ready(Ok(thread))
+        }
+
+        fn authenticate(
+            &self,
+            _method_id: acp::AuthMethodId,
+            _cx: &mut App,
+        ) -> Task<gpui::Result<()>> {
+            unimplemented!()
+        }
+
+        fn prompt(
+            &self,
+            _id: Option<UserMessageId>,
+            params: acp::PromptRequest,
+            cx: &mut App,
+        ) -> Task<gpui::Result<acp::PromptResponse>> {
+            let mut sessions = self.sessions.lock();
+            let Session {
+                thread,
+                response_tx,
+            } = sessions.get_mut(&params.session_id).unwrap();
+            let mut tasks = vec![];
+            if self.next_prompt_updates.lock().is_empty() {
+                let (tx, rx) = oneshot::channel();
+                response_tx.replace(tx);
+                cx.spawn(async move |_| {
+                    let stop_reason = rx.await?;
+                    Ok(acp::PromptResponse { stop_reason })
+                })
+            } else {
+                for update in self.next_prompt_updates.lock().drain(..) {
+                    let thread = thread.clone();
+                    let update = update.clone();
+                    let permission_request = if let acp::SessionUpdate::ToolCall(tool_call) =
+                        &update
+                        && let Some(options) = self.permission_requests.get(&tool_call.id)
+                    {
+                        Some((tool_call.clone(), options.clone()))
+                    } else {
+                        None
+                    };
+                    let task = cx.spawn(async move |cx| {
+                        if let Some((tool_call, options)) = permission_request {
+                            let permission = thread.update(cx, |thread, cx| {
+                                thread.request_tool_call_authorization(
+                                    tool_call.clone().into(),
+                                    options.clone(),
+                                    cx,
+                                )
+                            })?;
+                            permission?.await?;
+                        }
+                        thread.update(cx, |thread, cx| {
+                            thread.handle_session_update(update.clone(), cx).unwrap();
+                        })?;
+                        anyhow::Ok(())
+                    });
+                    tasks.push(task);
+                }
+
+                cx.spawn(async move |_| {
+                    try_join_all(tasks).await?;
+                    Ok(acp::PromptResponse {
+                        stop_reason: acp::StopReason::EndTurn,
+                    })
+                })
+            }
+        }
+
+        fn cancel(&self, session_id: &acp::SessionId, _cx: &mut App) {
+            if let Some(end_turn_tx) = self
+                .sessions
+                .lock()
+                .get_mut(session_id)
+                .unwrap()
+                .response_tx
+                .take()
+            {
+                end_turn_tx.send(acp::StopReason::Cancelled).unwrap();
+            }
+        }
+
+        fn truncate(
+            &self,
+            _session_id: &agent_client_protocol::SessionId,
+            _cx: &App,
+        ) -> Option<Rc<dyn AgentSessionTruncate>> {
+            Some(Rc::new(StubAgentSessionEditor))
+        }
+
+        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
+            self
+        }
+    }
+
+    struct StubAgentSessionEditor;
+
+    impl AgentSessionTruncate for StubAgentSessionEditor {
+        fn run(&self, _: UserMessageId, _: &mut App) -> Task<Result<()>> {
+            Task::ready(Ok(()))
+        }
+    }
+}
+
+#[cfg(feature = "test-support")]
+pub use test_support::*;
diff --git a/crates/acp_thread/src/diff.rs b/crates/acp_thread/src/diff.rs
new file mode 100644
index 0000000000..0fec6809e0
--- /dev/null
+++ b/crates/acp_thread/src/diff.rs
@@ -0,0 +1,424 @@
+use anyhow::Result;
+use buffer_diff::{BufferDiff, BufferDiffSnapshot};
+use editor::{MultiBuffer, PathKey};
+use gpui::{App, AppContext, AsyncApp, Context, Entity, Subscription, Task};
+use itertools::Itertools;
+use language::{
+    Anchor, Buffer, Capability, LanguageRegistry, OffsetRangeExt as _, Point, Rope, TextBuffer,
+};
+use std::{
+    cmp::Reverse,
+    ops::Range,
+    path::{Path, PathBuf},
+    sync::Arc,
+};
+use util::ResultExt;
+
+pub enum Diff {
+    Pending(PendingDiff),
+    Finalized(FinalizedDiff),
+}
+
+impl Diff {
+    pub fn finalized(
+        path: PathBuf,
+        old_text: Option<String>,
+        new_text: String,
+        language_registry: Arc<LanguageRegistry>,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let multibuffer = cx.new(|_cx| MultiBuffer::without_headers(Capability::ReadOnly));
+        let new_buffer = cx.new(|cx| Buffer::local(new_text, cx));
+        let base_text = old_text.clone().unwrap_or(String::new()).into();
+        let task = cx.spawn({
+            let multibuffer = multibuffer.clone();
+            let path = path.clone();
+            let buffer = new_buffer.clone();
+            async move |_, cx| {
+                let language = language_registry
+                    .language_for_file_path(&path)
+                    .await
+                    .log_err();
+
+                buffer.update(cx, |buffer, cx| buffer.set_language(language.clone(), cx))?;
+
+                let diff = build_buffer_diff(
+                    old_text.unwrap_or("".into()).into(),
+                    &buffer,
+                    Some(language_registry.clone()),
+                    cx,
+                )
+                .await?;
+
+                multibuffer
+                    .update(cx, |multibuffer, cx| {
+                        let hunk_ranges = {
+                            let buffer = buffer.read(cx);
+                            let diff = diff.read(cx);
+                            diff.hunks_intersecting_range(Anchor::MIN..Anchor::MAX, buffer, cx)
+                                .map(|diff_hunk| diff_hunk.buffer_range.to_point(buffer))
+                                .collect::<Vec<_>>()
+                        };
+
+                        multibuffer.set_excerpts_for_path(
+                            PathKey::for_buffer(&buffer, cx),
+                            buffer.clone(),
+                            hunk_ranges,
+                            editor::DEFAULT_MULTIBUFFER_CONTEXT,
+                            cx,
+                        );
+                        multibuffer.add_diff(diff, cx);
+                    })
+                    .log_err();
+
+                anyhow::Ok(())
+            }
+        });
+
+        Self::Finalized(FinalizedDiff {
+            multibuffer,
+            path,
+            base_text,
+            new_buffer,
+            _update_diff: task,
+        })
+    }
+
+    pub fn new(buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Self {
+        let buffer_text_snapshot = buffer.read(cx).text_snapshot();
+        let base_text_snapshot = buffer.read(cx).snapshot();
+        let base_text = base_text_snapshot.text();
+        debug_assert_eq!(buffer_text_snapshot.text(), base_text);
+        let buffer_diff = cx.new(|cx| {
+            let mut diff = BufferDiff::new_unchanged(&buffer_text_snapshot, base_text_snapshot);
+            let snapshot = diff.snapshot(cx);
+            let secondary_diff = cx.new(|cx| {
+                let mut diff = BufferDiff::new(&buffer_text_snapshot, cx);
+                diff.set_snapshot(snapshot, &buffer_text_snapshot, cx);
+                diff
+            });
+            diff.set_secondary_diff(secondary_diff);
+            diff
+        });
+
+        let multibuffer = cx.new(|cx| {
+            let mut multibuffer = MultiBuffer::without_headers(Capability::ReadOnly);
+            multibuffer.add_diff(buffer_diff.clone(), cx);
+            multibuffer
+        });
+
+        Self::Pending(PendingDiff {
+            multibuffer,
+            base_text: Arc::new(base_text),
+            _subscription: cx.observe(&buffer, |this, _, cx| {
+                if let Diff::Pending(diff) = this {
+                    diff.update(cx);
+                }
+            }),
+            new_buffer: buffer,
+            diff: buffer_diff,
+            revealed_ranges: Vec::new(),
+            update_diff: Task::ready(Ok(())),
+        })
+    }
+
+    pub fn reveal_range(&mut self, range: Range<Anchor>, cx: &mut Context<Self>) {
+        if let Self::Pending(diff) = self {
+            diff.reveal_range(range, cx);
+        }
+    }
+
+    pub fn finalize(&mut self, cx: &mut Context<Self>) {
+        if let Self::Pending(diff) = self {
+            *self = Self::Finalized(diff.finalize(cx));
+        }
+    }
+
+    pub fn multibuffer(&self) -> &Entity<MultiBuffer> {
+        match self {
+            Self::Pending(PendingDiff { multibuffer, .. }) => multibuffer,
+            Self::Finalized(FinalizedDiff { multibuffer, .. }) => multibuffer,
+        }
+    }
+
+    pub fn to_markdown(&self, cx: &App) -> String {
+        let buffer_text = self
+            .multibuffer()
+            .read(cx)
+            .all_buffers()
+            .iter()
+            .map(|buffer| buffer.read(cx).text())
+            .join("\n");
+        let path = match self {
+            Diff::Pending(PendingDiff {
+                new_buffer: buffer, ..
+            }) => buffer.read(cx).file().map(|file| file.path().as_ref()),
+            Diff::Finalized(FinalizedDiff { path, .. }) => Some(path.as_path()),
+        };
+        format!(
+            "Diff: {}\n```\n{}\n```\n",
+            path.unwrap_or(Path::new("untitled")).display(),
+            buffer_text
+        )
+    }
+
+    pub fn has_revealed_range(&self, cx: &App) -> bool {
+        self.multibuffer().read(cx).excerpt_paths().next().is_some()
+    }
+
+    pub fn needs_update(&self, old_text: &str, new_text: &str, cx: &App) -> bool {
+        match self {
+            Diff::Pending(PendingDiff {
+                base_text,
+                new_buffer,
+                ..
+            }) => {
+                base_text.as_str() != old_text
+                    || !new_buffer.read(cx).as_rope().chunks().equals_str(new_text)
+            }
+            Diff::Finalized(FinalizedDiff {
+                base_text,
+                new_buffer,
+                ..
+            }) => {
+                base_text.as_str() != old_text
+                    || !new_buffer.read(cx).as_rope().chunks().equals_str(new_text)
+            }
+        }
+    }
+}
+
+pub struct PendingDiff {
+    multibuffer: Entity<MultiBuffer>,
+    base_text: Arc<String>,
+    new_buffer: Entity<Buffer>,
+    diff: Entity<BufferDiff>,
+    revealed_ranges: Vec<Range<Anchor>>,
+    _subscription: Subscription,
+    update_diff: Task<Result<()>>,
+}
+
+impl PendingDiff {
+    pub fn update(&mut self, cx: &mut Context<Diff>) {
+        let buffer = self.new_buffer.clone();
+        let buffer_diff = self.diff.clone();
+        let base_text = self.base_text.clone();
+        self.update_diff = cx.spawn(async move |diff, cx| {
+            let text_snapshot = buffer.read_with(cx, |buffer, _| buffer.text_snapshot())?;
+            let diff_snapshot = BufferDiff::update_diff(
+                buffer_diff.clone(),
+                text_snapshot.clone(),
+                Some(base_text),
+                false,
+                false,
+                None,
+                None,
+                cx,
+            )
+            .await?;
+            buffer_diff.update(cx, |diff, cx| {
+                diff.set_snapshot(diff_snapshot.clone(), &text_snapshot, cx);
+                diff.secondary_diff().unwrap().update(cx, |diff, cx| {
+                    diff.set_snapshot(diff_snapshot.clone(), &text_snapshot, cx);
+                });
+            })?;
+            diff.update(cx, |diff, cx| {
+                if let Diff::Pending(diff) = diff {
+                    diff.update_visible_ranges(cx);
+                }
+            })
+        });
+    }
+
+    pub fn reveal_range(&mut self, range: Range<Anchor>, cx: &mut Context<Diff>) {
+        self.revealed_ranges.push(range);
+        self.update_visible_ranges(cx);
+    }
+
+    fn finalize(&self, cx: &mut Context<Diff>) -> FinalizedDiff {
+        let ranges = self.excerpt_ranges(cx);
+        let base_text = self.base_text.clone();
+        let language_registry = self.new_buffer.read(cx).language_registry();
+
+        let path = self
+            .new_buffer
+            .read(cx)
+            .file()
+            .map(|file| file.path().as_ref())
+            .unwrap_or(Path::new("untitled"))
+            .into();
+
+        // Replace the buffer in the multibuffer with the snapshot
+        let buffer = cx.new(|cx| {
+            let language = self.new_buffer.read(cx).language().cloned();
+            let buffer = TextBuffer::new_normalized(
+                0,
+                cx.entity_id().as_non_zero_u64().into(),
+                self.new_buffer.read(cx).line_ending(),
+                self.new_buffer.read(cx).as_rope().clone(),
+            );
+            let mut buffer = Buffer::build(buffer, None, Capability::ReadWrite);
+            buffer.set_language(language, cx);
+            buffer
+        });
+
+        let buffer_diff = cx.spawn({
+            let buffer = buffer.clone();
+            async move |_this, cx| {
+                build_buffer_diff(base_text, &buffer, language_registry, cx).await
+            }
+        });
+
+        let update_diff = cx.spawn(async move |this, cx| {
+            let buffer_diff = buffer_diff.await?;
+            this.update(cx, |this, cx| {
+                this.multibuffer().update(cx, |multibuffer, cx| {
+                    let path_key = PathKey::for_buffer(&buffer, cx);
+                    multibuffer.clear(cx);
+                    multibuffer.set_excerpts_for_path(
+                        path_key,
+                        buffer,
+                        ranges,
+                        editor::DEFAULT_MULTIBUFFER_CONTEXT,
+                        cx,
+                    );
+                    multibuffer.add_diff(buffer_diff.clone(), cx);
+                });
+
+                cx.notify();
+            })
+        });
+
+        FinalizedDiff {
+            path,
+            base_text: self.base_text.clone(),
+            multibuffer: self.multibuffer.clone(),
+            new_buffer: self.new_buffer.clone(),
+            _update_diff: update_diff,
+        }
+    }
+
+    fn update_visible_ranges(&mut self, cx: &mut Context<Diff>) {
+        let ranges = self.excerpt_ranges(cx);
+        self.multibuffer.update(cx, |multibuffer, cx| {
+            multibuffer.set_excerpts_for_path(
+                PathKey::for_buffer(&self.new_buffer, cx),
+                self.new_buffer.clone(),
+                ranges,
+                editor::DEFAULT_MULTIBUFFER_CONTEXT,
+                cx,
+            );
+            let end = multibuffer.len(cx);
+            Some(multibuffer.snapshot(cx).offset_to_point(end).row + 1)
+        });
+        cx.notify();
+    }
+
+    fn excerpt_ranges(&self, cx: &App) -> Vec<Range<Point>> {
+        let buffer = self.new_buffer.read(cx);
+        let diff = self.diff.read(cx);
+        let mut ranges = diff
+            .hunks_intersecting_range(Anchor::MIN..Anchor::MAX, buffer, cx)
+            .map(|diff_hunk| diff_hunk.buffer_range.to_point(buffer))
+            .collect::<Vec<_>>();
+        ranges.extend(
+            self.revealed_ranges
+                .iter()
+                .map(|range| range.to_point(buffer)),
+        );
+        ranges.sort_unstable_by_key(|range| (range.start, Reverse(range.end)));
+
+        // Merge adjacent ranges
+        let mut ranges = ranges.into_iter().peekable();
+        let mut merged_ranges = Vec::new();
+        while let Some(mut range) = ranges.next() {
+            while let Some(next_range) = ranges.peek() {
+                if range.end >= next_range.start {
+                    range.end = range.end.max(next_range.end);
+                    ranges.next();
+                } else {
+                    break;
+                }
+            }
+
+            merged_ranges.push(range);
+        }
+        merged_ranges
+    }
+}
+
+pub struct FinalizedDiff {
+    path: PathBuf,
+    base_text: Arc<String>,
+    new_buffer: Entity<Buffer>,
+    multibuffer: Entity<MultiBuffer>,
+    _update_diff: Task<Result<()>>,
+}
+
+async fn build_buffer_diff(
+    old_text: Arc<String>,
+    buffer: &Entity<Buffer>,
+    language_registry: Option<Arc<LanguageRegistry>>,
+    cx: &mut AsyncApp,
+) -> Result<Entity<BufferDiff>> {
+    let buffer = cx.update(|cx| buffer.read(cx).snapshot())?;
+
+    let old_text_rope = cx
+        .background_spawn({
+            let old_text = old_text.clone();
+            async move { Rope::from(old_text.as_str()) }
+        })
+        .await;
+    let base_buffer = cx
+        .update(|cx| {
+            Buffer::build_snapshot(
+                old_text_rope,
+                buffer.language().cloned(),
+                language_registry,
+                cx,
+            )
+        })?
+        .await;
+
+    let diff_snapshot = cx
+        .update(|cx| {
+            BufferDiffSnapshot::new_with_base_buffer(
+                buffer.text.clone(),
+                Some(old_text),
+                base_buffer,
+                cx,
+            )
+        })?
+        .await;
+
+    let secondary_diff = cx.new(|cx| {
+        let mut diff = BufferDiff::new(&buffer, cx);
+        diff.set_snapshot(diff_snapshot.clone(), &buffer, cx);
+        diff
+    })?;
+
+    cx.new(|cx| {
+        let mut diff = BufferDiff::new(&buffer.text, cx);
+        diff.set_snapshot(diff_snapshot, &buffer, cx);
+        diff.set_secondary_diff(secondary_diff);
+        diff
+    })
+}
+
+#[cfg(test)]
+mod tests {
+    use gpui::{AppContext as _, TestAppContext};
+    use language::Buffer;
+
+    use crate::Diff;
+
+    #[gpui::test]
+    async fn test_pending_diff(cx: &mut TestAppContext) {
+        let buffer = cx.new(|cx| Buffer::local("hello!", cx));
+        let _diff = cx.new(|cx| Diff::new(buffer.clone(), cx));
+        buffer.update(cx, |buffer, cx| {
+            buffer.set_text("HELLO!", cx);
+        });
+        cx.run_until_parked();
+    }
+}
diff --git a/crates/acp_thread/src/mention.rs b/crates/acp_thread/src/mention.rs
new file mode 100644
index 0000000000..6fa0887e22
--- /dev/null
+++ b/crates/acp_thread/src/mention.rs
@@ -0,0 +1,502 @@
+use agent_client_protocol as acp;
+use anyhow::{Context as _, Result, bail};
+use file_icons::FileIcons;
+use prompt_store::{PromptId, UserPromptId};
+use serde::{Deserialize, Serialize};
+use std::{
+    fmt,
+    ops::RangeInclusive,
+    path::{Path, PathBuf},
+    str::FromStr,
+};
+use ui::{App, IconName, SharedString};
+use url::Url;
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Hash)]
+pub enum MentionUri {
+    File {
+        abs_path: PathBuf,
+    },
+    PastedImage,
+    Directory {
+        abs_path: PathBuf,
+    },
+    Symbol {
+        abs_path: PathBuf,
+        name: String,
+        line_range: RangeInclusive<u32>,
+    },
+    Thread {
+        id: acp::SessionId,
+        name: String,
+    },
+    TextThread {
+        path: PathBuf,
+        name: String,
+    },
+    Rule {
+        id: PromptId,
+        name: String,
+    },
+    Selection {
+        #[serde(default, skip_serializing_if = "Option::is_none")]
+        abs_path: Option<PathBuf>,
+        line_range: RangeInclusive<u32>,
+    },
+    Fetch {
+        url: Url,
+    },
+}
+
+impl MentionUri {
+    pub fn parse(input: &str) -> Result<Self> {
+        fn parse_line_range(fragment: &str) -> Result<RangeInclusive<u32>> {
+            let range = fragment
+                .strip_prefix("L")
+                .context("Line range must start with \"L\"")?;
+            let (start, end) = range
+                .split_once(":")
+                .context("Line range must use colon as separator")?;
+            let range = start
+                .parse::<u32>()
+                .context("Parsing line range start")?
+                .checked_sub(1)
+                .context("Line numbers should be 1-based")?
+                ..=end
+                    .parse::<u32>()
+                    .context("Parsing line range end")?
+                    .checked_sub(1)
+                    .context("Line numbers should be 1-based")?;
+            Ok(range)
+        }
+
+        let url = url::Url::parse(input)?;
+        let path = url.path();
+        match url.scheme() {
+            "file" => {
+                let path = url.to_file_path().ok().context("Extracting file path")?;
+                if let Some(fragment) = url.fragment() {
+                    let line_range = parse_line_range(fragment)?;
+                    if let Some(name) = single_query_param(&url, "symbol")? {
+                        Ok(Self::Symbol {
+                            name,
+                            abs_path: path,
+                            line_range,
+                        })
+                    } else {
+                        Ok(Self::Selection {
+                            abs_path: Some(path),
+                            line_range,
+                        })
+                    }
+                } else if input.ends_with("/") {
+                    Ok(Self::Directory { abs_path: path })
+                } else {
+                    Ok(Self::File { abs_path: path })
+                }
+            }
+            "zed" => {
+                if let Some(thread_id) = path.strip_prefix("/agent/thread/") {
+                    let name = single_query_param(&url, "name")?.context("Missing thread name")?;
+                    Ok(Self::Thread {
+                        id: acp::SessionId(thread_id.into()),
+                        name,
+                    })
+                } else if let Some(path) = path.strip_prefix("/agent/text-thread/") {
+                    let name = single_query_param(&url, "name")?.context("Missing thread name")?;
+                    Ok(Self::TextThread {
+                        path: path.into(),
+                        name,
+                    })
+                } else if let Some(rule_id) = path.strip_prefix("/agent/rule/") {
+                    let name = single_query_param(&url, "name")?.context("Missing rule name")?;
+                    let rule_id = UserPromptId(rule_id.parse()?);
+                    Ok(Self::Rule {
+                        id: rule_id.into(),
+                        name,
+                    })
+                } else if path.starts_with("/agent/pasted-image") {
+                    Ok(Self::PastedImage)
+                } else if path.starts_with("/agent/untitled-buffer") {
+                    let fragment = url
+                        .fragment()
+                        .context("Missing fragment for untitled buffer selection")?;
+                    let line_range = parse_line_range(fragment)?;
+                    Ok(Self::Selection {
+                        abs_path: None,
+                        line_range,
+                    })
+                } else {
+                    bail!("invalid zed url: {:?}", input);
+                }
+            }
+            "http" | "https" => Ok(MentionUri::Fetch { url }),
+            other => bail!("unrecognized scheme {:?}", other),
+        }
+    }
+
+    pub fn name(&self) -> String {
+        match self {
+            MentionUri::File { abs_path, .. } | MentionUri::Directory { abs_path, .. } => abs_path
+                .file_name()
+                .unwrap_or_default()
+                .to_string_lossy()
+                .into_owned(),
+            MentionUri::PastedImage => "Image".to_string(),
+            MentionUri::Symbol { name, .. } => name.clone(),
+            MentionUri::Thread { name, .. } => name.clone(),
+            MentionUri::TextThread { name, .. } => name.clone(),
+            MentionUri::Rule { name, .. } => name.clone(),
+            MentionUri::Selection {
+                abs_path: path,
+                line_range,
+                ..
+            } => selection_name(path.as_deref(), line_range),
+            MentionUri::Fetch { url } => url.to_string(),
+        }
+    }
+
+    pub fn icon_path(&self, cx: &mut App) -> SharedString {
+        match self {
+            MentionUri::File { abs_path } => {
+                FileIcons::get_icon(abs_path, cx).unwrap_or_else(|| IconName::File.path().into())
+            }
+            MentionUri::PastedImage => IconName::Image.path().into(),
+            MentionUri::Directory { .. } => FileIcons::get_folder_icon(false, cx)
+                .unwrap_or_else(|| IconName::Folder.path().into()),
+            MentionUri::Symbol { .. } => IconName::Code.path().into(),
+            MentionUri::Thread { .. } => IconName::Thread.path().into(),
+            MentionUri::TextThread { .. } => IconName::Thread.path().into(),
+            MentionUri::Rule { .. } => IconName::Reader.path().into(),
+            MentionUri::Selection { .. } => IconName::Reader.path().into(),
+            MentionUri::Fetch { .. } => IconName::ToolWeb.path().into(),
+        }
+    }
+
+    pub fn as_link<'a>(&'a self) -> MentionLink<'a> {
+        MentionLink(self)
+    }
+
+    pub fn to_uri(&self) -> Url {
+        match self {
+            MentionUri::File { abs_path } => {
+                Url::from_file_path(abs_path).expect("mention path should be absolute")
+            }
+            MentionUri::PastedImage => Url::parse("zed:///agent/pasted-image").unwrap(),
+            MentionUri::Directory { abs_path } => {
+                Url::from_directory_path(abs_path).expect("mention path should be absolute")
+            }
+            MentionUri::Symbol {
+                abs_path,
+                name,
+                line_range,
+            } => {
+                let mut url =
+                    Url::from_file_path(abs_path).expect("mention path should be absolute");
+                url.query_pairs_mut().append_pair("symbol", name);
+                url.set_fragment(Some(&format!(
+                    "L{}:{}",
+                    line_range.start() + 1,
+                    line_range.end() + 1
+                )));
+                url
+            }
+            MentionUri::Selection {
+                abs_path: path,
+                line_range,
+            } => {
+                let mut url = if let Some(path) = path {
+                    Url::from_file_path(path).expect("mention path should be absolute")
+                } else {
+                    let mut url = Url::parse("zed:///").unwrap();
+                    url.set_path("/agent/untitled-buffer");
+                    url
+                };
+                url.set_fragment(Some(&format!(
+                    "L{}:{}",
+                    line_range.start() + 1,
+                    line_range.end() + 1
+                )));
+                url
+            }
+            MentionUri::Thread { name, id } => {
+                let mut url = Url::parse("zed:///").unwrap();
+                url.set_path(&format!("/agent/thread/{id}"));
+                url.query_pairs_mut().append_pair("name", name);
+                url
+            }
+            MentionUri::TextThread { path, name } => {
+                let mut url = Url::parse("zed:///").unwrap();
+                url.set_path(&format!(
+                    "/agent/text-thread/{}",
+                    path.to_string_lossy().trim_start_matches('/')
+                ));
+                url.query_pairs_mut().append_pair("name", name);
+                url
+            }
+            MentionUri::Rule { name, id } => {
+                let mut url = Url::parse("zed:///").unwrap();
+                url.set_path(&format!("/agent/rule/{id}"));
+                url.query_pairs_mut().append_pair("name", name);
+                url
+            }
+            MentionUri::Fetch { url } => url.clone(),
+        }
+    }
+}
+
+impl FromStr for MentionUri {
+    type Err = anyhow::Error;
+
+    fn from_str(s: &str) -> anyhow::Result<Self> {
+        Self::parse(s)
+    }
+}
+
+pub struct MentionLink<'a>(&'a MentionUri);
+
+impl fmt::Display for MentionLink<'_> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "[@{}]({})", self.0.name(), self.0.to_uri())
+    }
+}
+
+fn single_query_param(url: &Url, name: &'static str) -> Result<Option<String>> {
+    let pairs = url.query_pairs().collect::<Vec<_>>();
+    match pairs.as_slice() {
+        [] => Ok(None),
+        [(k, v)] => {
+            if k != name {
+                bail!("invalid query parameter")
+            }
+
+            Ok(Some(v.to_string()))
+        }
+        _ => bail!("too many query pairs"),
+    }
+}
+
+pub fn selection_name(path: Option<&Path>, line_range: &RangeInclusive<u32>) -> String {
+    format!(
+        "{} ({}:{})",
+        path.and_then(|path| path.file_name())
+            .unwrap_or("Untitled".as_ref())
+            .display(),
+        *line_range.start() + 1,
+        *line_range.end() + 1
+    )
+}
+
+#[cfg(test)]
+mod tests {
+    use util::{path, uri};
+
+    use super::*;
+
+    #[test]
+    fn test_parse_file_uri() {
+        let file_uri = uri!("file:///path/to/file.rs");
+        let parsed = MentionUri::parse(file_uri).unwrap();
+        match &parsed {
+            MentionUri::File { abs_path } => {
+                assert_eq!(abs_path.to_str().unwrap(), path!("/path/to/file.rs"));
+            }
+            _ => panic!("Expected File variant"),
+        }
+        assert_eq!(parsed.to_uri().to_string(), file_uri);
+    }
+
+    #[test]
+    fn test_parse_directory_uri() {
+        let file_uri = uri!("file:///path/to/dir/");
+        let parsed = MentionUri::parse(file_uri).unwrap();
+        match &parsed {
+            MentionUri::Directory { abs_path } => {
+                assert_eq!(abs_path.to_str().unwrap(), path!("/path/to/dir/"));
+            }
+            _ => panic!("Expected Directory variant"),
+        }
+        assert_eq!(parsed.to_uri().to_string(), file_uri);
+    }
+
+    #[test]
+    fn test_to_directory_uri_with_slash() {
+        let uri = MentionUri::Directory {
+            abs_path: PathBuf::from(path!("/path/to/dir/")),
+        };
+        let expected = uri!("file:///path/to/dir/");
+        assert_eq!(uri.to_uri().to_string(), expected);
+    }
+
+    #[test]
+    fn test_to_directory_uri_without_slash() {
+        let uri = MentionUri::Directory {
+            abs_path: PathBuf::from(path!("/path/to/dir")),
+        };
+        let expected = uri!("file:///path/to/dir/");
+        assert_eq!(uri.to_uri().to_string(), expected);
+    }
+
+    #[test]
+    fn test_parse_symbol_uri() {
+        let symbol_uri = uri!("file:///path/to/file.rs?symbol=MySymbol#L10:20");
+        let parsed = MentionUri::parse(symbol_uri).unwrap();
+        match &parsed {
+            MentionUri::Symbol {
+                abs_path: path,
+                name,
+                line_range,
+            } => {
+                assert_eq!(path.to_str().unwrap(), path!("/path/to/file.rs"));
+                assert_eq!(name, "MySymbol");
+                assert_eq!(line_range.start(), &9);
+                assert_eq!(line_range.end(), &19);
+            }
+            _ => panic!("Expected Symbol variant"),
+        }
+        assert_eq!(parsed.to_uri().to_string(), symbol_uri);
+    }
+
+    #[test]
+    fn test_parse_selection_uri() {
+        let selection_uri = uri!("file:///path/to/file.rs#L5:15");
+        let parsed = MentionUri::parse(selection_uri).unwrap();
+        match &parsed {
+            MentionUri::Selection {
+                abs_path: path,
+                line_range,
+            } => {
+                assert_eq!(
+                    path.as_ref().unwrap().to_str().unwrap(),
+                    path!("/path/to/file.rs")
+                );
+                assert_eq!(line_range.start(), &4);
+                assert_eq!(line_range.end(), &14);
+            }
+            _ => panic!("Expected Selection variant"),
+        }
+        assert_eq!(parsed.to_uri().to_string(), selection_uri);
+    }
+
+    #[test]
+    fn test_parse_untitled_selection_uri() {
+        let selection_uri = uri!("zed:///agent/untitled-buffer#L1:10");
+        let parsed = MentionUri::parse(selection_uri).unwrap();
+        match &parsed {
+            MentionUri::Selection {
+                abs_path: None,
+                line_range,
+            } => {
+                assert_eq!(line_range.start(), &0);
+                assert_eq!(line_range.end(), &9);
+            }
+            _ => panic!("Expected Selection variant without path"),
+        }
+        assert_eq!(parsed.to_uri().to_string(), selection_uri);
+    }
+
+    #[test]
+    fn test_parse_thread_uri() {
+        let thread_uri = "zed:///agent/thread/session123?name=Thread+name";
+        let parsed = MentionUri::parse(thread_uri).unwrap();
+        match &parsed {
+            MentionUri::Thread {
+                id: thread_id,
+                name,
+            } => {
+                assert_eq!(thread_id.to_string(), "session123");
+                assert_eq!(name, "Thread name");
+            }
+            _ => panic!("Expected Thread variant"),
+        }
+        assert_eq!(parsed.to_uri().to_string(), thread_uri);
+    }
+
+    #[test]
+    fn test_parse_rule_uri() {
+        let rule_uri = "zed:///agent/rule/d8694ff2-90d5-4b6f-be33-33c1763acd52?name=Some+rule";
+        let parsed = MentionUri::parse(rule_uri).unwrap();
+        match &parsed {
+            MentionUri::Rule { id, name } => {
+                assert_eq!(id.to_string(), "d8694ff2-90d5-4b6f-be33-33c1763acd52");
+                assert_eq!(name, "Some rule");
+            }
+            _ => panic!("Expected Rule variant"),
+        }
+        assert_eq!(parsed.to_uri().to_string(), rule_uri);
+    }
+
+    #[test]
+    fn test_parse_fetch_http_uri() {
+        let http_uri = "http://example.com/path?query=value#fragment";
+        let parsed = MentionUri::parse(http_uri).unwrap();
+        match &parsed {
+            MentionUri::Fetch { url } => {
+                assert_eq!(url.to_string(), http_uri);
+            }
+            _ => panic!("Expected Fetch variant"),
+        }
+        assert_eq!(parsed.to_uri().to_string(), http_uri);
+    }
+
+    #[test]
+    fn test_parse_fetch_https_uri() {
+        let https_uri = "https://example.com/api/endpoint";
+        let parsed = MentionUri::parse(https_uri).unwrap();
+        match &parsed {
+            MentionUri::Fetch { url } => {
+                assert_eq!(url.to_string(), https_uri);
+            }
+            _ => panic!("Expected Fetch variant"),
+        }
+        assert_eq!(parsed.to_uri().to_string(), https_uri);
+    }
+
+    #[test]
+    fn test_invalid_scheme() {
+        assert!(MentionUri::parse("ftp://example.com").is_err());
+        assert!(MentionUri::parse("ssh://example.com").is_err());
+        assert!(MentionUri::parse("unknown://example.com").is_err());
+    }
+
+    #[test]
+    fn test_invalid_zed_path() {
+        assert!(MentionUri::parse("zed:///invalid/path").is_err());
+        assert!(MentionUri::parse("zed:///agent/unknown/test").is_err());
+    }
+
+    #[test]
+    fn test_invalid_line_range_format() {
+        // Missing L prefix
+        assert!(MentionUri::parse(uri!("file:///path/to/file.rs#10:20")).is_err());
+
+        // Missing colon separator
+        assert!(MentionUri::parse(uri!("file:///path/to/file.rs#L1020")).is_err());
+
+        // Invalid numbers
+        assert!(MentionUri::parse(uri!("file:///path/to/file.rs#L10:abc")).is_err());
+        assert!(MentionUri::parse(uri!("file:///path/to/file.rs#Labc:20")).is_err());
+    }
+
+    #[test]
+    fn test_invalid_query_parameters() {
+        // Invalid query parameter name
+        assert!(MentionUri::parse(uri!("file:///path/to/file.rs#L10:20?invalid=test")).is_err());
+
+        // Too many query parameters
+        assert!(
+            MentionUri::parse(uri!(
+                "file:///path/to/file.rs#L10:20?symbol=test&another=param"
+            ))
+            .is_err()
+        );
+    }
+
+    #[test]
+    fn test_zero_based_line_numbers() {
+        // Test that 0-based line numbers are rejected (should be 1-based)
+        assert!(MentionUri::parse(uri!("file:///path/to/file.rs#L0:10")).is_err());
+        assert!(MentionUri::parse(uri!("file:///path/to/file.rs#L1:0")).is_err());
+        assert!(MentionUri::parse(uri!("file:///path/to/file.rs#L0:0")).is_err());
+    }
+}
diff --git a/crates/acp_thread/src/old_acp_support.rs b/crates/acp_thread/src/old_acp_support.rs
deleted file mode 100644
index 571023239f..0000000000
--- a/crates/acp_thread/src/old_acp_support.rs
+++ /dev/null
@@ -1,453 +0,0 @@
-// Translates old acp agents into the new schema
-use agent_client_protocol as acp;
-use agentic_coding_protocol::{self as acp_old, AgentRequest as _};
-use anyhow::{Context as _, Result};
-use futures::channel::oneshot;
-use gpui::{AppContext as _, AsyncApp, Entity, Task, WeakEntity};
-use project::Project;
-use std::{cell::RefCell, error::Error, fmt, path::Path, rc::Rc};
-use ui::App;
-use util::ResultExt as _;
-
-use crate::{AcpThread, AgentConnection};
-
-#[derive(Clone)]
-pub struct OldAcpClientDelegate {
-    thread: Rc<RefCell<WeakEntity<AcpThread>>>,
-    cx: AsyncApp,
-    next_tool_call_id: Rc<RefCell<u64>>,
-    // sent_buffer_versions: HashMap<Entity<Buffer>, HashMap<u64, BufferSnapshot>>,
-}
-
-impl OldAcpClientDelegate {
-    pub fn new(thread: Rc<RefCell<WeakEntity<AcpThread>>>, cx: AsyncApp) -> Self {
-        Self {
-            thread,
-            cx,
-            next_tool_call_id: Rc::new(RefCell::new(0)),
-        }
-    }
-}
-
-impl acp_old::Client for OldAcpClientDelegate {
-    async fn stream_assistant_message_chunk(
-        &self,
-        params: acp_old::StreamAssistantMessageChunkParams,
-    ) -> Result<(), acp_old::Error> {
-        let cx = &mut self.cx.clone();
-
-        cx.update(|cx| {
-            self.thread
-                .borrow()
-                .update(cx, |thread, cx| match params.chunk {
-                    acp_old::AssistantMessageChunk::Text { text } => {
-                        thread.push_assistant_content_block(text.into(), false, cx)
-                    }
-                    acp_old::AssistantMessageChunk::Thought { thought } => {
-                        thread.push_assistant_content_block(thought.into(), true, cx)
-                    }
-                })
-                .log_err();
-        })?;
-
-        Ok(())
-    }
-
-    async fn request_tool_call_confirmation(
-        &self,
-        request: acp_old::RequestToolCallConfirmationParams,
-    ) -> Result<acp_old::RequestToolCallConfirmationResponse, acp_old::Error> {
-        let cx = &mut self.cx.clone();
-
-        let old_acp_id = *self.next_tool_call_id.borrow() + 1;
-        self.next_tool_call_id.replace(old_acp_id);
-
-        let tool_call = into_new_tool_call(
-            acp::ToolCallId(old_acp_id.to_string().into()),
-            request.tool_call,
-        );
-
-        let mut options = match request.confirmation {
-            acp_old::ToolCallConfirmation::Edit { .. } => vec![(
-                acp_old::ToolCallConfirmationOutcome::AlwaysAllow,
-                acp::PermissionOptionKind::AllowAlways,
-                "Always Allow Edits".to_string(),
-            )],
-            acp_old::ToolCallConfirmation::Execute { root_command, .. } => vec![(
-                acp_old::ToolCallConfirmationOutcome::AlwaysAllow,
-                acp::PermissionOptionKind::AllowAlways,
-                format!("Always Allow {}", root_command),
-            )],
-            acp_old::ToolCallConfirmation::Mcp {
-                server_name,
-                tool_name,
-                ..
-            } => vec![
-                (
-                    acp_old::ToolCallConfirmationOutcome::AlwaysAllowMcpServer,
-                    acp::PermissionOptionKind::AllowAlways,
-                    format!("Always Allow {}", server_name),
-                ),
-                (
-                    acp_old::ToolCallConfirmationOutcome::AlwaysAllowTool,
-                    acp::PermissionOptionKind::AllowAlways,
-                    format!("Always Allow {}", tool_name),
-                ),
-            ],
-            acp_old::ToolCallConfirmation::Fetch { .. } => vec![(
-                acp_old::ToolCallConfirmationOutcome::AlwaysAllow,
-                acp::PermissionOptionKind::AllowAlways,
-                "Always Allow".to_string(),
-            )],
-            acp_old::ToolCallConfirmation::Other { .. } => vec![(
-                acp_old::ToolCallConfirmationOutcome::AlwaysAllow,
-                acp::PermissionOptionKind::AllowAlways,
-                "Always Allow".to_string(),
-            )],
-        };
-
-        options.extend([
-            (
-                acp_old::ToolCallConfirmationOutcome::Allow,
-                acp::PermissionOptionKind::AllowOnce,
-                "Allow".to_string(),
-            ),
-            (
-                acp_old::ToolCallConfirmationOutcome::Reject,
-                acp::PermissionOptionKind::RejectOnce,
-                "Reject".to_string(),
-            ),
-        ]);
-
-        let mut outcomes = Vec::with_capacity(options.len());
-        let mut acp_options = Vec::with_capacity(options.len());
-
-        for (index, (outcome, kind, label)) in options.into_iter().enumerate() {
-            outcomes.push(outcome);
-            acp_options.push(acp::PermissionOption {
-                id: acp::PermissionOptionId(index.to_string().into()),
-                label,
-                kind,
-            })
-        }
-
-        let response = cx
-            .update(|cx| {
-                self.thread.borrow().update(cx, |thread, cx| {
-                    thread.request_tool_call_permission(tool_call, acp_options, cx)
-                })
-            })?
-            .context("Failed to update thread")?
-            .await;
-
-        let outcome = match response {
-            Ok(option_id) => outcomes[option_id.0.parse::<usize>().unwrap_or(0)],
-            Err(oneshot::Canceled) => acp_old::ToolCallConfirmationOutcome::Cancel,
-        };
-
-        Ok(acp_old::RequestToolCallConfirmationResponse {
-            id: acp_old::ToolCallId(old_acp_id),
-            outcome: outcome,
-        })
-    }
-
-    async fn push_tool_call(
-        &self,
-        request: acp_old::PushToolCallParams,
-    ) -> Result<acp_old::PushToolCallResponse, acp_old::Error> {
-        let cx = &mut self.cx.clone();
-
-        let old_acp_id = *self.next_tool_call_id.borrow() + 1;
-        self.next_tool_call_id.replace(old_acp_id);
-
-        cx.update(|cx| {
-            self.thread.borrow().update(cx, |thread, cx| {
-                thread.upsert_tool_call(
-                    into_new_tool_call(acp::ToolCallId(old_acp_id.to_string().into()), request),
-                    cx,
-                )
-            })
-        })?
-        .context("Failed to update thread")?;
-
-        Ok(acp_old::PushToolCallResponse {
-            id: acp_old::ToolCallId(old_acp_id),
-        })
-    }
-
-    async fn update_tool_call(
-        &self,
-        request: acp_old::UpdateToolCallParams,
-    ) -> Result<(), acp_old::Error> {
-        let cx = &mut self.cx.clone();
-
-        cx.update(|cx| {
-            self.thread.borrow().update(cx, |thread, cx| {
-                thread.update_tool_call(
-                    acp::ToolCallUpdate {
-                        id: acp::ToolCallId(request.tool_call_id.0.to_string().into()),
-                        fields: acp::ToolCallUpdateFields {
-                            status: Some(into_new_tool_call_status(request.status)),
-                            content: Some(
-                                request
-                                    .content
-                                    .into_iter()
-                                    .map(into_new_tool_call_content)
-                                    .collect::<Vec<_>>(),
-                            ),
-                            ..Default::default()
-                        },
-                    },
-                    cx,
-                )
-            })
-        })?
-        .context("Failed to update thread")??;
-
-        Ok(())
-    }
-
-    async fn update_plan(&self, request: acp_old::UpdatePlanParams) -> Result<(), acp_old::Error> {
-        let cx = &mut self.cx.clone();
-
-        cx.update(|cx| {
-            self.thread.borrow().update(cx, |thread, cx| {
-                thread.update_plan(
-                    acp::Plan {
-                        entries: request
-                            .entries
-                            .into_iter()
-                            .map(into_new_plan_entry)
-                            .collect(),
-                    },
-                    cx,
-                )
-            })
-        })?
-        .context("Failed to update thread")?;
-
-        Ok(())
-    }
-
-    async fn read_text_file(
-        &self,
-        acp_old::ReadTextFileParams { path, line, limit }: acp_old::ReadTextFileParams,
-    ) -> Result<acp_old::ReadTextFileResponse, acp_old::Error> {
-        let content = self
-            .cx
-            .update(|cx| {
-                self.thread.borrow().update(cx, |thread, cx| {
-                    thread.read_text_file(path, line, limit, false, cx)
-                })
-            })?
-            .context("Failed to update thread")?
-            .await?;
-        Ok(acp_old::ReadTextFileResponse { content })
-    }
-
-    async fn write_text_file(
-        &self,
-        acp_old::WriteTextFileParams { path, content }: acp_old::WriteTextFileParams,
-    ) -> Result<(), acp_old::Error> {
-        self.cx
-            .update(|cx| {
-                self.thread
-                    .borrow()
-                    .update(cx, |thread, cx| thread.write_text_file(path, content, cx))
-            })?
-            .context("Failed to update thread")?
-            .await?;
-
-        Ok(())
-    }
-}
-
-fn into_new_tool_call(id: acp::ToolCallId, request: acp_old::PushToolCallParams) -> acp::ToolCall {
-    acp::ToolCall {
-        id: id,
-        label: request.label,
-        kind: acp_kind_from_old_icon(request.icon),
-        status: acp::ToolCallStatus::InProgress,
-        content: request
-            .content
-            .into_iter()
-            .map(into_new_tool_call_content)
-            .collect(),
-        locations: request
-            .locations
-            .into_iter()
-            .map(into_new_tool_call_location)
-            .collect(),
-        raw_input: None,
-    }
-}
-
-fn acp_kind_from_old_icon(icon: acp_old::Icon) -> acp::ToolKind {
-    match icon {
-        acp_old::Icon::FileSearch => acp::ToolKind::Search,
-        acp_old::Icon::Folder => acp::ToolKind::Search,
-        acp_old::Icon::Globe => acp::ToolKind::Search,
-        acp_old::Icon::Hammer => acp::ToolKind::Other,
-        acp_old::Icon::LightBulb => acp::ToolKind::Think,
-        acp_old::Icon::Pencil => acp::ToolKind::Edit,
-        acp_old::Icon::Regex => acp::ToolKind::Search,
-        acp_old::Icon::Terminal => acp::ToolKind::Execute,
-    }
-}
-
-fn into_new_tool_call_status(status: acp_old::ToolCallStatus) -> acp::ToolCallStatus {
-    match status {
-        acp_old::ToolCallStatus::Running => acp::ToolCallStatus::InProgress,
-        acp_old::ToolCallStatus::Finished => acp::ToolCallStatus::Completed,
-        acp_old::ToolCallStatus::Error => acp::ToolCallStatus::Failed,
-    }
-}
-
-fn into_new_tool_call_content(content: acp_old::ToolCallContent) -> acp::ToolCallContent {
-    match content {
-        acp_old::ToolCallContent::Markdown { markdown } => markdown.into(),
-        acp_old::ToolCallContent::Diff { diff } => acp::ToolCallContent::Diff {
-            diff: into_new_diff(diff),
-        },
-    }
-}
-
-fn into_new_diff(diff: acp_old::Diff) -> acp::Diff {
-    acp::Diff {
-        path: diff.path,
-        old_text: diff.old_text,
-        new_text: diff.new_text,
-    }
-}
-
-fn into_new_tool_call_location(location: acp_old::ToolCallLocation) -> acp::ToolCallLocation {
-    acp::ToolCallLocation {
-        path: location.path,
-        line: location.line,
-    }
-}
-
-fn into_new_plan_entry(entry: acp_old::PlanEntry) -> acp::PlanEntry {
-    acp::PlanEntry {
-        content: entry.content,
-        priority: into_new_plan_priority(entry.priority),
-        status: into_new_plan_status(entry.status),
-    }
-}
-
-fn into_new_plan_priority(priority: acp_old::PlanEntryPriority) -> acp::PlanEntryPriority {
-    match priority {
-        acp_old::PlanEntryPriority::Low => acp::PlanEntryPriority::Low,
-        acp_old::PlanEntryPriority::Medium => acp::PlanEntryPriority::Medium,
-        acp_old::PlanEntryPriority::High => acp::PlanEntryPriority::High,
-    }
-}
-
-fn into_new_plan_status(status: acp_old::PlanEntryStatus) -> acp::PlanEntryStatus {
-    match status {
-        acp_old::PlanEntryStatus::Pending => acp::PlanEntryStatus::Pending,
-        acp_old::PlanEntryStatus::InProgress => acp::PlanEntryStatus::InProgress,
-        acp_old::PlanEntryStatus::Completed => acp::PlanEntryStatus::Completed,
-    }
-}
-
-#[derive(Debug)]
-pub struct Unauthenticated;
-
-impl Error for Unauthenticated {}
-impl fmt::Display for Unauthenticated {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "Unauthenticated")
-    }
-}
-
-pub struct OldAcpAgentConnection {
-    pub name: &'static str,
-    pub connection: acp_old::AgentConnection,
-    pub child_status: Task<Result<()>>,
-    pub current_thread: Rc<RefCell<WeakEntity<AcpThread>>>,
-}
-
-impl AgentConnection for OldAcpAgentConnection {
-    fn name(&self) -> &'static str {
-        self.name
-    }
-
-    fn new_thread(
-        self: Rc<Self>,
-        project: Entity<Project>,
-        _cwd: &Path,
-        cx: &mut AsyncApp,
-    ) -> Task<Result<Entity<AcpThread>>> {
-        let task = self.connection.request_any(
-            acp_old::InitializeParams {
-                protocol_version: acp_old::ProtocolVersion::latest(),
-            }
-            .into_any(),
-        );
-        let current_thread = self.current_thread.clone();
-        cx.spawn(async move |cx| {
-            let result = task.await?;
-            let result = acp_old::InitializeParams::response_from_any(result)?;
-
-            if !result.is_authenticated {
-                anyhow::bail!(Unauthenticated)
-            }
-
-            cx.update(|cx| {
-                let thread = cx.new(|cx| {
-                    let session_id = acp::SessionId("acp-old-no-id".into());
-                    AcpThread::new(self.clone(), project, session_id, cx)
-                });
-                current_thread.replace(thread.downgrade());
-                thread
-            })
-        })
-    }
-
-    fn authenticate(&self, cx: &mut App) -> Task<Result<()>> {
-        let task = self
-            .connection
-            .request_any(acp_old::AuthenticateParams.into_any());
-        cx.foreground_executor().spawn(async move {
-            task.await?;
-            Ok(())
-        })
-    }
-
-    fn prompt(&self, params: acp::PromptArguments, cx: &mut App) -> Task<Result<()>> {
-        let chunks = params
-            .prompt
-            .into_iter()
-            .filter_map(|block| match block {
-                acp::ContentBlock::Text(text) => {
-                    Some(acp_old::UserMessageChunk::Text { text: text.text })
-                }
-                acp::ContentBlock::ResourceLink(link) => Some(acp_old::UserMessageChunk::Path {
-                    path: link.uri.into(),
-                }),
-                _ => None,
-            })
-            .collect();
-
-        let task = self
-            .connection
-            .request_any(acp_old::SendUserMessageParams { chunks }.into_any());
-        cx.foreground_executor().spawn(async move {
-            task.await?;
-            anyhow::Ok(())
-        })
-    }
-
-    fn cancel(&self, _session_id: &acp::SessionId, cx: &mut App) {
-        let task = self
-            .connection
-            .request_any(acp_old::CancelSendMessageParams.into_any());
-        cx.foreground_executor()
-            .spawn(async move {
-                task.await?;
-                anyhow::Ok(())
-            })
-            .detach_and_log_err(cx)
-    }
-}
diff --git a/crates/acp_thread/src/terminal.rs b/crates/acp_thread/src/terminal.rs
new file mode 100644
index 0000000000..41d7fb89bb
--- /dev/null
+++ b/crates/acp_thread/src/terminal.rs
@@ -0,0 +1,93 @@
+use gpui::{App, AppContext, Context, Entity};
+use language::LanguageRegistry;
+use markdown::Markdown;
+use std::{path::PathBuf, process::ExitStatus, sync::Arc, time::Instant};
+
+pub struct Terminal {
+    command: Entity<Markdown>,
+    working_dir: Option<PathBuf>,
+    terminal: Entity<terminal::Terminal>,
+    started_at: Instant,
+    output: Option<TerminalOutput>,
+}
+
+pub struct TerminalOutput {
+    pub ended_at: Instant,
+    pub exit_status: Option<ExitStatus>,
+    pub was_content_truncated: bool,
+    pub original_content_len: usize,
+    pub content_line_count: usize,
+    pub finished_with_empty_output: bool,
+}
+
+impl Terminal {
+    pub fn new(
+        command: String,
+        working_dir: Option<PathBuf>,
+        terminal: Entity<terminal::Terminal>,
+        language_registry: Arc<LanguageRegistry>,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        Self {
+            command: cx.new(|cx| {
+                Markdown::new(
+                    format!("```\n{}\n```", command).into(),
+                    Some(language_registry.clone()),
+                    None,
+                    cx,
+                )
+            }),
+            working_dir,
+            terminal,
+            started_at: Instant::now(),
+            output: None,
+        }
+    }
+
+    pub fn finish(
+        &mut self,
+        exit_status: Option<ExitStatus>,
+        original_content_len: usize,
+        truncated_content_len: usize,
+        content_line_count: usize,
+        finished_with_empty_output: bool,
+        cx: &mut Context<Self>,
+    ) {
+        self.output = Some(TerminalOutput {
+            ended_at: Instant::now(),
+            exit_status,
+            was_content_truncated: truncated_content_len < original_content_len,
+            original_content_len,
+            content_line_count,
+            finished_with_empty_output,
+        });
+        cx.notify();
+    }
+
+    pub fn command(&self) -> &Entity<Markdown> {
+        &self.command
+    }
+
+    pub fn working_dir(&self) -> &Option<PathBuf> {
+        &self.working_dir
+    }
+
+    pub fn started_at(&self) -> Instant {
+        self.started_at
+    }
+
+    pub fn output(&self) -> Option<&TerminalOutput> {
+        self.output.as_ref()
+    }
+
+    pub fn inner(&self) -> &Entity<terminal::Terminal> {
+        &self.terminal
+    }
+
+    pub fn to_markdown(&self, cx: &App) -> String {
+        format!(
+            "Terminal:\n```\n{}\n```\n",
+            self.terminal.read(cx).get_content()
+        )
+    }
+}
diff --git a/crates/acp_tools/Cargo.toml b/crates/acp_tools/Cargo.toml
new file mode 100644
index 0000000000..7a6d8c21a0
--- /dev/null
+++ b/crates/acp_tools/Cargo.toml
@@ -0,0 +1,30 @@
+[package]
+name = "acp_tools"
+version = "0.1.0"
+edition.workspace = true
+publish.workspace = true
+license = "GPL-3.0-or-later"
+
+
+[lints]
+workspace = true
+
+[lib]
+path = "src/acp_tools.rs"
+doctest = false
+
+[dependencies]
+agent-client-protocol.workspace = true
+collections.workspace = true
+gpui.workspace = true
+language.workspace= true
+markdown.workspace = true
+project.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+settings.workspace = true
+theme.workspace = true
+ui.workspace = true
+util.workspace = true
+workspace-hack.workspace = true
+workspace.workspace = true
diff --git a/crates/indexed_docs/LICENSE-GPL b/crates/acp_tools/LICENSE-GPL
similarity index 100%
rename from crates/indexed_docs/LICENSE-GPL
rename to crates/acp_tools/LICENSE-GPL
diff --git a/crates/acp_tools/src/acp_tools.rs b/crates/acp_tools/src/acp_tools.rs
new file mode 100644
index 0000000000..e20a040e9d
--- /dev/null
+++ b/crates/acp_tools/src/acp_tools.rs
@@ -0,0 +1,494 @@
+use std::{
+    cell::RefCell,
+    collections::HashSet,
+    fmt::Display,
+    rc::{Rc, Weak},
+    sync::Arc,
+};
+
+use agent_client_protocol as acp;
+use collections::HashMap;
+use gpui::{
+    App, Empty, Entity, EventEmitter, FocusHandle, Focusable, Global, ListAlignment, ListState,
+    StyleRefinement, Subscription, Task, TextStyleRefinement, Window, actions, list, prelude::*,
+};
+use language::LanguageRegistry;
+use markdown::{CodeBlockRenderer, Markdown, MarkdownElement, MarkdownStyle};
+use project::Project;
+use settings::Settings;
+use theme::ThemeSettings;
+use ui::prelude::*;
+use util::ResultExt as _;
+use workspace::{Item, Workspace};
+
+actions!(dev, [OpenAcpLogs]);
+
+pub fn init(cx: &mut App) {
+    cx.observe_new(
+        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
+            workspace.register_action(|workspace, _: &OpenAcpLogs, window, cx| {
+                let acp_tools =
+                    Box::new(cx.new(|cx| AcpTools::new(workspace.project().clone(), cx)));
+                workspace.add_item_to_active_pane(acp_tools, None, true, window, cx);
+            });
+        },
+    )
+    .detach();
+}
+
+struct GlobalAcpConnectionRegistry(Entity<AcpConnectionRegistry>);
+
+impl Global for GlobalAcpConnectionRegistry {}
+
+#[derive(Default)]
+pub struct AcpConnectionRegistry {
+    active_connection: RefCell<Option<ActiveConnection>>,
+}
+
+struct ActiveConnection {
+    server_name: SharedString,
+    connection: Weak<acp::ClientSideConnection>,
+}
+
+impl AcpConnectionRegistry {
+    pub fn default_global(cx: &mut App) -> Entity<Self> {
+        if cx.has_global::<GlobalAcpConnectionRegistry>() {
+            cx.global::<GlobalAcpConnectionRegistry>().0.clone()
+        } else {
+            let registry = cx.new(|_cx| AcpConnectionRegistry::default());
+            cx.set_global(GlobalAcpConnectionRegistry(registry.clone()));
+            registry
+        }
+    }
+
+    pub fn set_active_connection(
+        &self,
+        server_name: impl Into<SharedString>,
+        connection: &Rc<acp::ClientSideConnection>,
+        cx: &mut Context<Self>,
+    ) {
+        self.active_connection.replace(Some(ActiveConnection {
+            server_name: server_name.into(),
+            connection: Rc::downgrade(connection),
+        }));
+        cx.notify();
+    }
+}
+
+struct AcpTools {
+    project: Entity<Project>,
+    focus_handle: FocusHandle,
+    expanded: HashSet<usize>,
+    watched_connection: Option<WatchedConnection>,
+    connection_registry: Entity<AcpConnectionRegistry>,
+    _subscription: Subscription,
+}
+
+struct WatchedConnection {
+    server_name: SharedString,
+    messages: Vec<WatchedConnectionMessage>,
+    list_state: ListState,
+    connection: Weak<acp::ClientSideConnection>,
+    incoming_request_methods: HashMap<i32, Arc<str>>,
+    outgoing_request_methods: HashMap<i32, Arc<str>>,
+    _task: Task<()>,
+}
+
+impl AcpTools {
+    fn new(project: Entity<Project>, cx: &mut Context<Self>) -> Self {
+        let connection_registry = AcpConnectionRegistry::default_global(cx);
+
+        let subscription = cx.observe(&connection_registry, |this, _, cx| {
+            this.update_connection(cx);
+            cx.notify();
+        });
+
+        let mut this = Self {
+            project,
+            focus_handle: cx.focus_handle(),
+            expanded: HashSet::default(),
+            watched_connection: None,
+            connection_registry,
+            _subscription: subscription,
+        };
+        this.update_connection(cx);
+        this
+    }
+
+    fn update_connection(&mut self, cx: &mut Context<Self>) {
+        let active_connection = self.connection_registry.read(cx).active_connection.borrow();
+        let Some(active_connection) = active_connection.as_ref() else {
+            return;
+        };
+
+        if let Some(watched_connection) = self.watched_connection.as_ref() {
+            if Weak::ptr_eq(
+                &watched_connection.connection,
+                &active_connection.connection,
+            ) {
+                return;
+            }
+        }
+
+        if let Some(connection) = active_connection.connection.upgrade() {
+            let mut receiver = connection.subscribe();
+            let task = cx.spawn(async move |this, cx| {
+                while let Ok(message) = receiver.recv().await {
+                    this.update(cx, |this, cx| {
+                        this.push_stream_message(message, cx);
+                    })
+                    .ok();
+                }
+            });
+
+            self.watched_connection = Some(WatchedConnection {
+                server_name: active_connection.server_name.clone(),
+                messages: vec![],
+                list_state: ListState::new(0, ListAlignment::Bottom, px(2048.)),
+                connection: active_connection.connection.clone(),
+                incoming_request_methods: HashMap::default(),
+                outgoing_request_methods: HashMap::default(),
+                _task: task,
+            });
+        }
+    }
+
+    fn push_stream_message(&mut self, stream_message: acp::StreamMessage, cx: &mut Context<Self>) {
+        let Some(connection) = self.watched_connection.as_mut() else {
+            return;
+        };
+        let language_registry = self.project.read(cx).languages().clone();
+        let index = connection.messages.len();
+
+        let (request_id, method, message_type, params) = match stream_message.message {
+            acp::StreamMessageContent::Request { id, method, params } => {
+                let method_map = match stream_message.direction {
+                    acp::StreamMessageDirection::Incoming => {
+                        &mut connection.incoming_request_methods
+                    }
+                    acp::StreamMessageDirection::Outgoing => {
+                        &mut connection.outgoing_request_methods
+                    }
+                };
+
+                method_map.insert(id, method.clone());
+                (Some(id), method.into(), MessageType::Request, Ok(params))
+            }
+            acp::StreamMessageContent::Response { id, result } => {
+                let method_map = match stream_message.direction {
+                    acp::StreamMessageDirection::Incoming => {
+                        &mut connection.outgoing_request_methods
+                    }
+                    acp::StreamMessageDirection::Outgoing => {
+                        &mut connection.incoming_request_methods
+                    }
+                };
+
+                if let Some(method) = method_map.remove(&id) {
+                    (Some(id), method.into(), MessageType::Response, result)
+                } else {
+                    (
+                        Some(id),
+                        "[unrecognized response]".into(),
+                        MessageType::Response,
+                        result,
+                    )
+                }
+            }
+            acp::StreamMessageContent::Notification { method, params } => {
+                (None, method.into(), MessageType::Notification, Ok(params))
+            }
+        };
+
+        let message = WatchedConnectionMessage {
+            name: method,
+            message_type,
+            request_id,
+            direction: stream_message.direction,
+            collapsed_params_md: match params.as_ref() {
+                Ok(params) => params
+                    .as_ref()
+                    .map(|params| collapsed_params_md(params, &language_registry, cx)),
+                Err(err) => {
+                    if let Ok(err) = &serde_json::to_value(err) {
+                        Some(collapsed_params_md(&err, &language_registry, cx))
+                    } else {
+                        None
+                    }
+                }
+            },
+
+            expanded_params_md: None,
+            params,
+        };
+
+        connection.messages.push(message);
+        connection.list_state.splice(index..index, 1);
+        cx.notify();
+    }
+
+    fn render_message(
+        &mut self,
+        index: usize,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> AnyElement {
+        let Some(connection) = self.watched_connection.as_ref() else {
+            return Empty.into_any();
+        };
+
+        let Some(message) = connection.messages.get(index) else {
+            return Empty.into_any();
+        };
+
+        let base_size = TextSize::Editor.rems(cx);
+
+        let theme_settings = ThemeSettings::get_global(cx);
+        let text_style = window.text_style();
+
+        let colors = cx.theme().colors();
+        let expanded = self.expanded.contains(&index);
+
+        v_flex()
+            .w_full()
+            .px_4()
+            .py_3()
+            .border_color(colors.border)
+            .border_b_1()
+            .gap_2()
+            .items_start()
+            .font_buffer(cx)
+            .text_size(base_size)
+            .id(index)
+            .group("message")
+            .hover(|this| this.bg(colors.element_background.opacity(0.5)))
+            .on_click(cx.listener(move |this, _, _, cx| {
+                if this.expanded.contains(&index) {
+                    this.expanded.remove(&index);
+                } else {
+                    this.expanded.insert(index);
+                    let Some(connection) = &mut this.watched_connection else {
+                        return;
+                    };
+                    let Some(message) = connection.messages.get_mut(index) else {
+                        return;
+                    };
+                    message.expanded(this.project.read(cx).languages().clone(), cx);
+                    connection.list_state.scroll_to_reveal_item(index);
+                }
+                cx.notify()
+            }))
+            .child(
+                h_flex()
+                    .w_full()
+                    .gap_2()
+                    .items_center()
+                    .flex_shrink_0()
+                    .child(match message.direction {
+                        acp::StreamMessageDirection::Incoming => {
+                            ui::Icon::new(ui::IconName::ArrowDown).color(Color::Error)
+                        }
+                        acp::StreamMessageDirection::Outgoing => {
+                            ui::Icon::new(ui::IconName::ArrowUp).color(Color::Success)
+                        }
+                    })
+                    .child(
+                        Label::new(message.name.clone())
+                            .buffer_font(cx)
+                            .color(Color::Muted),
+                    )
+                    .child(div().flex_1())
+                    .child(
+                        div()
+                            .child(ui::Chip::new(message.message_type.to_string()))
+                            .visible_on_hover("message"),
+                    )
+                    .children(
+                        message
+                            .request_id
+                            .map(|req_id| div().child(ui::Chip::new(req_id.to_string()))),
+                    ),
+            )
+            // I'm aware using markdown is a hack. Trying to get something working for the demo.
+            // Will clean up soon!
+            .when_some(
+                if expanded {
+                    message.expanded_params_md.clone()
+                } else {
+                    message.collapsed_params_md.clone()
+                },
+                |this, params| {
+                    this.child(
+                        div().pl_6().w_full().child(
+                            MarkdownElement::new(
+                                params,
+                                MarkdownStyle {
+                                    base_text_style: text_style,
+                                    selection_background_color: colors.element_selection_background,
+                                    syntax: cx.theme().syntax().clone(),
+                                    code_block_overflow_x_scroll: true,
+                                    code_block: StyleRefinement {
+                                        text: Some(TextStyleRefinement {
+                                            font_family: Some(
+                                                theme_settings.buffer_font.family.clone(),
+                                            ),
+                                            font_size: Some((base_size * 0.8).into()),
+                                            ..Default::default()
+                                        }),
+                                        ..Default::default()
+                                    },
+                                    ..Default::default()
+                                },
+                            )
+                            .code_block_renderer(
+                                CodeBlockRenderer::Default {
+                                    copy_button: false,
+                                    copy_button_on_hover: expanded,
+                                    border: false,
+                                },
+                            ),
+                        ),
+                    )
+                },
+            )
+            .into_any()
+    }
+}
+
+struct WatchedConnectionMessage {
+    name: SharedString,
+    request_id: Option<i32>,
+    direction: acp::StreamMessageDirection,
+    message_type: MessageType,
+    params: Result<Option<serde_json::Value>, acp::Error>,
+    collapsed_params_md: Option<Entity<Markdown>>,
+    expanded_params_md: Option<Entity<Markdown>>,
+}
+
+impl WatchedConnectionMessage {
+    fn expanded(&mut self, language_registry: Arc<LanguageRegistry>, cx: &mut App) {
+        let params_md = match &self.params {
+            Ok(Some(params)) => Some(expanded_params_md(params, &language_registry, cx)),
+            Err(err) => {
+                if let Some(err) = &serde_json::to_value(err).log_err() {
+                    Some(expanded_params_md(&err, &language_registry, cx))
+                } else {
+                    None
+                }
+            }
+            _ => None,
+        };
+        self.expanded_params_md = params_md;
+    }
+}
+
+fn collapsed_params_md(
+    params: &serde_json::Value,
+    language_registry: &Arc<LanguageRegistry>,
+    cx: &mut App,
+) -> Entity<Markdown> {
+    let params_json = serde_json::to_string(params).unwrap_or_default();
+    let mut spaced_out_json = String::with_capacity(params_json.len() + params_json.len() / 4);
+
+    for ch in params_json.chars() {
+        match ch {
+            '{' => spaced_out_json.push_str("{ "),
+            '}' => spaced_out_json.push_str(" }"),
+            ':' => spaced_out_json.push_str(": "),
+            ',' => spaced_out_json.push_str(", "),
+            c => spaced_out_json.push(c),
+        }
+    }
+
+    let params_md = format!("```json\n{}\n```", spaced_out_json);
+    cx.new(|cx| Markdown::new(params_md.into(), Some(language_registry.clone()), None, cx))
+}
+
+fn expanded_params_md(
+    params: &serde_json::Value,
+    language_registry: &Arc<LanguageRegistry>,
+    cx: &mut App,
+) -> Entity<Markdown> {
+    let params_json = serde_json::to_string_pretty(params).unwrap_or_default();
+    let params_md = format!("```json\n{}\n```", params_json);
+    cx.new(|cx| Markdown::new(params_md.into(), Some(language_registry.clone()), None, cx))
+}
+
+enum MessageType {
+    Request,
+    Response,
+    Notification,
+}
+
+impl Display for MessageType {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            MessageType::Request => write!(f, "Request"),
+            MessageType::Response => write!(f, "Response"),
+            MessageType::Notification => write!(f, "Notification"),
+        }
+    }
+}
+
+enum AcpToolsEvent {}
+
+impl EventEmitter<AcpToolsEvent> for AcpTools {}
+
+impl Item for AcpTools {
+    type Event = AcpToolsEvent;
+
+    fn tab_content_text(&self, _detail: usize, _cx: &App) -> ui::SharedString {
+        format!(
+            "ACP: {}",
+            self.watched_connection
+                .as_ref()
+                .map_or("Disconnected", |connection| &connection.server_name)
+        )
+        .into()
+    }
+
+    fn tab_icon(&self, _window: &Window, _cx: &App) -> Option<Icon> {
+        Some(ui::Icon::new(IconName::Thread))
+    }
+}
+
+impl Focusable for AcpTools {
+    fn focus_handle(&self, _cx: &App) -> FocusHandle {
+        self.focus_handle.clone()
+    }
+}
+
+impl Render for AcpTools {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        v_flex()
+            .track_focus(&self.focus_handle)
+            .size_full()
+            .bg(cx.theme().colors().editor_background)
+            .child(match self.watched_connection.as_ref() {
+                Some(connection) => {
+                    if connection.messages.is_empty() {
+                        h_flex()
+                            .size_full()
+                            .justify_center()
+                            .items_center()
+                            .child("No messages recorded yet")
+                            .into_any()
+                    } else {
+                        list(
+                            connection.list_state.clone(),
+                            cx.processor(Self::render_message),
+                        )
+                        .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
+                        .flex_grow()
+                        .into_any()
+                    }
+                }
+                None => h_flex()
+                    .size_full()
+                    .justify_center()
+                    .items_center()
+                    .child("No active connection")
+                    .into_any(),
+            })
+    }
+}
diff --git a/crates/action_log/Cargo.toml b/crates/action_log/Cargo.toml
new file mode 100644
index 0000000000..1a389e8859
--- /dev/null
+++ b/crates/action_log/Cargo.toml
@@ -0,0 +1,45 @@
+[package]
+name = "action_log"
+version = "0.1.0"
+edition.workspace = true
+publish.workspace = true
+license = "GPL-3.0-or-later"
+
+[lib]
+path = "src/action_log.rs"
+
+[lints]
+workspace = true
+
+[dependencies]
+anyhow.workspace = true
+buffer_diff.workspace = true
+clock.workspace = true
+collections.workspace = true
+futures.workspace = true
+gpui.workspace = true
+language.workspace = true
+project.workspace = true
+text.workspace = true
+util.workspace = true
+watch.workspace = true
+workspace-hack.workspace = true
+
+
+[dev-dependencies]
+buffer_diff = { workspace = true, features = ["test-support"] }
+collections = { workspace = true, features = ["test-support"] }
+clock = { workspace = true, features = ["test-support"] }
+ctor.workspace = true
+gpui = { workspace = true, features = ["test-support"] }
+indoc.workspace = true
+language = { workspace = true, features = ["test-support"] }
+log.workspace = true
+pretty_assertions.workspace = true
+project = { workspace = true, features = ["test-support"] }
+rand.workspace = true
+serde_json.workspace = true
+settings = { workspace = true, features = ["test-support"] }
+text = { workspace = true, features = ["test-support"] }
+util = { workspace = true, features = ["test-support"] }
+zlog.workspace = true
diff --git a/crates/inline_completion/LICENSE-GPL b/crates/action_log/LICENSE-GPL
similarity index 100%
rename from crates/inline_completion/LICENSE-GPL
rename to crates/action_log/LICENSE-GPL
diff --git a/crates/assistant_tool/src/action_log.rs b/crates/action_log/src/action_log.rs
similarity index 93%
rename from crates/assistant_tool/src/action_log.rs
rename to crates/action_log/src/action_log.rs
index 672c048872..9ec10f4dbb 100644
--- a/crates/assistant_tool/src/action_log.rs
+++ b/crates/action_log/src/action_log.rs
@@ -17,8 +17,6 @@ use util::{
 pub struct ActionLog {
     /// Buffers that we want to notify the model about when they change.
     tracked_buffers: BTreeMap<Entity<Buffer>, TrackedBuffer>,
-    /// Has the model edited a file since it last checked diagnostics?
-    edited_since_project_diagnostics_check: bool,
     /// The project this action log is associated with
     project: Entity<Project>,
 }
@@ -28,7 +26,6 @@ impl ActionLog {
     pub fn new(project: Entity<Project>) -> Self {
         Self {
             tracked_buffers: BTreeMap::default(),
-            edited_since_project_diagnostics_check: false,
             project,
         }
     }
@@ -37,16 +34,6 @@ impl ActionLog {
         &self.project
     }
 
-    /// Notifies a diagnostics check
-    pub fn checked_project_diagnostics(&mut self) {
-        self.edited_since_project_diagnostics_check = false;
-    }
-
-    /// Returns true if any files have been edited since the last project diagnostics check
-    pub fn has_edited_files_since_project_diagnostics_check(&self) -> bool {
-        self.edited_since_project_diagnostics_check
-    }
-
     pub fn latest_snapshot(&self, buffer: &Entity<Buffer>) -> Option<text::BufferSnapshot> {
         Some(self.tracked_buffers.get(buffer)?.snapshot.clone())
     }
@@ -129,7 +116,7 @@ impl ActionLog {
             } else if buffer
                 .read(cx)
                 .file()
-                .map_or(false, |file| file.disk_state().exists())
+                .is_some_and(|file| file.disk_state().exists())
             {
                 TrackedBufferStatus::Created {
                     existing_file_content: Some(buffer.read(cx).as_rope().clone()),
@@ -174,7 +161,7 @@ impl ActionLog {
                     diff_base,
                     last_seen_base,
                     unreviewed_edits,
-                    snapshot: text_snapshot.clone(),
+                    snapshot: text_snapshot,
                     status,
                     version: buffer.read(cx).version(),
                     diff,
@@ -203,7 +190,7 @@ impl ActionLog {
         cx: &mut Context<Self>,
     ) {
         match event {
-            BufferEvent::Edited { .. } => self.handle_buffer_edited(buffer, cx),
+            BufferEvent::Edited => self.handle_buffer_edited(buffer, cx),
             BufferEvent::FileHandleChanged => {
                 self.handle_buffer_file_changed(buffer, cx);
             }
@@ -228,7 +215,7 @@ impl ActionLog {
                 if buffer
                     .read(cx)
                     .file()
-                    .map_or(false, |file| file.disk_state() == DiskState::Deleted)
+                    .is_some_and(|file| file.disk_state() == DiskState::Deleted)
                 {
                     // If the buffer had been edited by a tool, but it got
                     // deleted externally, we want to stop tracking it.
@@ -240,7 +227,7 @@ impl ActionLog {
                 if buffer
                     .read(cx)
                     .file()
-                    .map_or(false, |file| file.disk_state() != DiskState::Deleted)
+                    .is_some_and(|file| file.disk_state() != DiskState::Deleted)
                 {
                     // If the buffer had been deleted by a tool, but it got
                     // resurrected externally, we want to clear the edits we
@@ -277,15 +264,14 @@ impl ActionLog {
             if let Some((git_diff, (buffer_repo, _))) = git_diff.as_ref().zip(buffer_repo) {
                 cx.update(|cx| {
                     let mut old_head = buffer_repo.read(cx).head_commit.clone();
-                    Some(cx.subscribe(git_diff, move |_, event, cx| match event {
-                        buffer_diff::BufferDiffEvent::DiffChanged { .. } => {
+                    Some(cx.subscribe(git_diff, move |_, event, cx| {
+                        if let buffer_diff::BufferDiffEvent::DiffChanged { .. } = event {
                             let new_head = buffer_repo.read(cx).head_commit.clone();
                             if new_head != old_head {
                                 old_head = new_head;
                                 git_diff_updates_tx.send(()).ok();
                             }
                         }
-                        _ => {}
                     }))
                 })?
             } else {
@@ -303,7 +289,7 @@ impl ActionLog {
                 }
                 _ = git_diff_updates_rx.changed().fuse() => {
                     if let Some(git_diff) = git_diff.as_ref() {
-                        Self::keep_committed_edits(&this, &buffer, &git_diff, cx).await?;
+                        Self::keep_committed_edits(&this, &buffer, git_diff, cx).await?;
                     }
                 }
             }
@@ -475,7 +461,7 @@ impl ActionLog {
             anyhow::Ok((
                 tracked_buffer.diff.clone(),
                 buffer.read(cx).language().cloned(),
-                buffer.read(cx).language_registry().clone(),
+                buffer.read(cx).language_registry(),
             ))
         })??;
         let diff_snapshot = BufferDiff::update_diff(
@@ -511,7 +497,7 @@ impl ActionLog {
                                     new: new_range,
                                 },
                                 &new_diff_base,
-                                &buffer_snapshot.as_rope(),
+                                buffer_snapshot.as_rope(),
                             ));
                         }
                         unreviewed_edits
@@ -543,15 +529,12 @@ impl ActionLog {
 
     /// Mark a buffer as created by agent, so we can refresh it in the context
     pub fn buffer_created(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
-        self.edited_since_project_diagnostics_check = true;
-        self.track_buffer_internal(buffer.clone(), true, cx);
+        self.track_buffer_internal(buffer, true, cx);
     }
 
     /// Mark a buffer as edited by agent, so we can refresh it in the context
     pub fn buffer_edited(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
-        self.edited_since_project_diagnostics_check = true;
-
-        let tracked_buffer = self.track_buffer_internal(buffer.clone(), false, cx);
+        let tracked_buffer = self.track_buffer_internal(buffer, false, cx);
         if let TrackedBufferStatus::Deleted = tracked_buffer.status {
             tracked_buffer.status = TrackedBufferStatus::Modified;
         }
@@ -630,6 +613,11 @@ impl ActionLog {
                         false
                     }
                 });
+                if tracked_buffer.unreviewed_edits.is_empty()
+                    && let TrackedBufferStatus::Created { .. } = &mut tracked_buffer.status
+                {
+                    tracked_buffer.status = TrackedBufferStatus::Modified;
+                }
                 tracked_buffer.schedule_diff_update(ChangeAuthor::User, cx);
             }
         }
@@ -775,6 +763,9 @@ impl ActionLog {
             .retain(|_buffer, tracked_buffer| match tracked_buffer.status {
                 TrackedBufferStatus::Deleted => false,
                 _ => {
+                    if let TrackedBufferStatus::Created { .. } = &mut tracked_buffer.status {
+                        tracked_buffer.status = TrackedBufferStatus::Modified;
+                    }
                     tracked_buffer.unreviewed_edits.clear();
                     tracked_buffer.diff_base = tracked_buffer.snapshot.as_rope().clone();
                     tracked_buffer.schedule_diff_update(ChangeAuthor::User, cx);
@@ -819,7 +810,7 @@ impl ActionLog {
                 tracked.version != buffer.version
                     && buffer
                         .file()
-                        .map_or(false, |file| file.disk_state() != DiskState::Deleted)
+                        .is_some_and(|file| file.disk_state() != DiskState::Deleted)
             })
             .map(|(buffer, _)| buffer)
     }
@@ -855,7 +846,7 @@ fn apply_non_conflicting_edits(
                 conflict = true;
                 if new_edits
                     .peek()
-                    .map_or(false, |next_edit| next_edit.old.overlaps(&old_edit.new))
+                    .is_some_and(|next_edit| next_edit.old.overlaps(&old_edit.new))
                 {
                     new_edit = new_edits.next().unwrap();
                 } else {
@@ -972,7 +963,7 @@ impl TrackedBuffer {
     fn has_edits(&self, cx: &App) -> bool {
         self.diff
             .read(cx)
-            .hunks(&self.buffer.read(cx), cx)
+            .hunks(self.buffer.read(cx), cx)
             .next()
             .is_some()
     }
@@ -2075,6 +2066,134 @@ mod tests {
         assert_eq!(content, "ai content\nuser added this line");
     }
 
+    #[gpui::test]
+    async fn test_reject_after_accepting_hunk_on_created_file(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        let project = Project::test(fs.clone(), [path!("/dir").as_ref()], cx).await;
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+
+        let file_path = project
+            .read_with(cx, |project, cx| {
+                project.find_project_path("dir/new_file", cx)
+            })
+            .unwrap();
+        let buffer = project
+            .update(cx, |project, cx| project.open_buffer(file_path.clone(), cx))
+            .await
+            .unwrap();
+
+        // AI creates file with initial content
+        cx.update(|cx| {
+            action_log.update(cx, |log, cx| log.buffer_created(buffer.clone(), cx));
+            buffer.update(cx, |buffer, cx| buffer.set_text("ai content v1", cx));
+            action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
+        });
+        project
+            .update(cx, |project, cx| project.save_buffer(buffer.clone(), cx))
+            .await
+            .unwrap();
+        cx.run_until_parked();
+        assert_ne!(unreviewed_hunks(&action_log, cx), vec![]);
+
+        // User accepts the single hunk
+        action_log.update(cx, |log, cx| {
+            log.keep_edits_in_range(buffer.clone(), Anchor::MIN..Anchor::MAX, cx)
+        });
+        cx.run_until_parked();
+        assert_eq!(unreviewed_hunks(&action_log, cx), vec![]);
+        assert!(fs.is_file(path!("/dir/new_file").as_ref()).await);
+
+        // AI modifies the file
+        cx.update(|cx| {
+            buffer.update(cx, |buffer, cx| buffer.set_text("ai content v2", cx));
+            action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
+        });
+        project
+            .update(cx, |project, cx| project.save_buffer(buffer.clone(), cx))
+            .await
+            .unwrap();
+        cx.run_until_parked();
+        assert_ne!(unreviewed_hunks(&action_log, cx), vec![]);
+
+        // User rejects the hunk
+        action_log
+            .update(cx, |log, cx| {
+                log.reject_edits_in_ranges(buffer.clone(), vec![Anchor::MIN..Anchor::MAX], cx)
+            })
+            .await
+            .unwrap();
+        cx.run_until_parked();
+        assert!(fs.is_file(path!("/dir/new_file").as_ref()).await,);
+        assert_eq!(
+            buffer.read_with(cx, |buffer, _| buffer.text()),
+            "ai content v1"
+        );
+        assert_eq!(unreviewed_hunks(&action_log, cx), vec![]);
+    }
+
+    #[gpui::test]
+    async fn test_reject_edits_on_previously_accepted_created_file(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        let project = Project::test(fs.clone(), [path!("/dir").as_ref()], cx).await;
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+
+        let file_path = project
+            .read_with(cx, |project, cx| {
+                project.find_project_path("dir/new_file", cx)
+            })
+            .unwrap();
+        let buffer = project
+            .update(cx, |project, cx| project.open_buffer(file_path.clone(), cx))
+            .await
+            .unwrap();
+
+        // AI creates file with initial content
+        cx.update(|cx| {
+            action_log.update(cx, |log, cx| log.buffer_created(buffer.clone(), cx));
+            buffer.update(cx, |buffer, cx| buffer.set_text("ai content v1", cx));
+            action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
+        });
+        project
+            .update(cx, |project, cx| project.save_buffer(buffer.clone(), cx))
+            .await
+            .unwrap();
+        cx.run_until_parked();
+
+        // User clicks "Accept All"
+        action_log.update(cx, |log, cx| log.keep_all_edits(cx));
+        cx.run_until_parked();
+        assert!(fs.is_file(path!("/dir/new_file").as_ref()).await);
+        assert_eq!(unreviewed_hunks(&action_log, cx), vec![]); // Hunks are cleared
+
+        // AI modifies file again
+        cx.update(|cx| {
+            buffer.update(cx, |buffer, cx| buffer.set_text("ai content v2", cx));
+            action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
+        });
+        project
+            .update(cx, |project, cx| project.save_buffer(buffer.clone(), cx))
+            .await
+            .unwrap();
+        cx.run_until_parked();
+        assert_ne!(unreviewed_hunks(&action_log, cx), vec![]);
+
+        // User clicks "Reject All"
+        action_log
+            .update(cx, |log, cx| log.reject_all_edits(cx))
+            .await;
+        cx.run_until_parked();
+        assert!(fs.is_file(path!("/dir/new_file").as_ref()).await);
+        assert_eq!(
+            buffer.read_with(cx, |buffer, _| buffer.text()),
+            "ai content v1"
+        );
+        assert_eq!(unreviewed_hunks(&action_log, cx), vec![]);
+    }
+
     #[gpui::test(iterations = 100)]
     async fn test_random_diffs(mut rng: StdRng, cx: &mut TestAppContext) {
         init_test(cx);
@@ -2148,7 +2267,7 @@ mod tests {
             log::info!("quiescing...");
             cx.run_until_parked();
             action_log.update(cx, |log, cx| {
-                let tracked_buffer = log.tracked_buffers.get(&buffer).unwrap();
+                let tracked_buffer = log.tracked_buffers.get(buffer).unwrap();
                 let mut old_text = tracked_buffer.diff_base.clone();
                 let new_text = buffer.read(cx).as_rope();
                 for edit in tracked_buffer.unreviewed_edits.edits() {
@@ -2306,7 +2425,7 @@ mod tests {
         assert_eq!(
             unreviewed_hunks(&action_log, cx),
             vec![(
-                buffer.clone(),
+                buffer,
                 vec![
                     HunkStatus {
                         range: Point::new(6, 0)..Point::new(7, 0),
diff --git a/crates/activity_indicator/src/activity_indicator.rs b/crates/activity_indicator/src/activity_indicator.rs
index f8ea7173d8..6641db0805 100644
--- a/crates/activity_indicator/src/activity_indicator.rs
+++ b/crates/activity_indicator/src/activity_indicator.rs
@@ -103,26 +103,21 @@ impl ActivityIndicator {
             cx.subscribe_in(
                 &workspace_handle,
                 window,
-                |activity_indicator, _, event, window, cx| match event {
-                    workspace::Event::ClearActivityIndicator { .. } => {
-                        if activity_indicator.statuses.pop().is_some() {
-                            activity_indicator.dismiss_error_message(
-                                &DismissErrorMessage,
-                                window,
-                                cx,
-                            );
-                            cx.notify();
-                        }
+                |activity_indicator, _, event, window, cx| {
+                    if let workspace::Event::ClearActivityIndicator = event
+                        && activity_indicator.statuses.pop().is_some()
+                    {
+                        activity_indicator.dismiss_error_message(&DismissErrorMessage, window, cx);
+                        cx.notify();
                     }
-                    _ => {}
                 },
             )
             .detach();
 
             cx.subscribe(
                 &project.read(cx).lsp_store(),
-                |activity_indicator, _, event, cx| match event {
-                    LspStoreEvent::LanguageServerUpdate { name, message, .. } => {
+                |activity_indicator, _, event, cx| {
+                    if let LspStoreEvent::LanguageServerUpdate { name, message, .. } = event {
                         if let proto::update_language_server::Variant::StatusUpdate(status_update) =
                             message
                         {
@@ -191,7 +186,6 @@ impl ActivityIndicator {
                         }
                         cx.notify()
                     }
-                    _ => {}
                 },
             )
             .detach();
@@ -206,9 +200,10 @@ impl ActivityIndicator {
 
             cx.subscribe(
                 &project.read(cx).git_store().clone(),
-                |_, _, event: &GitStoreEvent, cx| match event {
-                    project::git_store::GitStoreEvent::JobsUpdated => cx.notify(),
-                    _ => {}
+                |_, _, event: &GitStoreEvent, cx| {
+                    if let project::git_store::GitStoreEvent::JobsUpdated = event {
+                        cx.notify()
+                    }
                 },
             )
             .detach();
@@ -458,26 +453,24 @@ impl ActivityIndicator {
             .map(|r| r.read(cx))
             .and_then(Repository::current_job);
         // Show any long-running git command
-        if let Some(job_info) = current_job {
-            if Instant::now() - job_info.start >= GIT_OPERATION_DELAY {
-                return Some(Content {
-                    icon: Some(
-                        Icon::new(IconName::ArrowCircle)
-                            .size(IconSize::Small)
-                            .with_animation(
-                                "arrow-circle",
-                                Animation::new(Duration::from_secs(2)).repeat(),
-                                |icon, delta| {
-                                    icon.transform(Transformation::rotate(percentage(delta)))
-                                },
-                            )
-                            .into_any_element(),
-                    ),
-                    message: job_info.message.into(),
-                    on_click: None,
-                    tooltip_message: None,
-                });
-            }
+        if let Some(job_info) = current_job
+            && Instant::now() - job_info.start >= GIT_OPERATION_DELAY
+        {
+            return Some(Content {
+                icon: Some(
+                    Icon::new(IconName::ArrowCircle)
+                        .size(IconSize::Small)
+                        .with_animation(
+                            "arrow-circle",
+                            Animation::new(Duration::from_secs(2)).repeat(),
+                            |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
+                        )
+                        .into_any_element(),
+                ),
+                message: job_info.message.into(),
+                on_click: None,
+                tooltip_message: None,
+            });
         }
 
         // Show any language server installation info.
@@ -702,7 +695,7 @@ impl ActivityIndicator {
                     on_click: Some(Arc::new(|this, window, cx| {
                         this.dismiss_error_message(&DismissErrorMessage, window, cx)
                     })),
-                    tooltip_message: Some(Self::version_tooltip_message(&version)),
+                    tooltip_message: Some(Self::version_tooltip_message(version)),
                 }),
                 AutoUpdateStatus::Installing { version } => Some(Content {
                     icon: Some(
@@ -714,21 +707,13 @@ impl ActivityIndicator {
                     on_click: Some(Arc::new(|this, window, cx| {
                         this.dismiss_error_message(&DismissErrorMessage, window, cx)
                     })),
-                    tooltip_message: Some(Self::version_tooltip_message(&version)),
+                    tooltip_message: Some(Self::version_tooltip_message(version)),
                 }),
-                AutoUpdateStatus::Updated {
-                    binary_path,
-                    version,
-                } => Some(Content {
+                AutoUpdateStatus::Updated { version } => Some(Content {
                     icon: None,
                     message: "Click to restart and update Zed".to_string(),
-                    on_click: Some(Arc::new({
-                        let reload = workspace::Reload {
-                            binary_path: Some(binary_path.clone()),
-                        };
-                        move |_, _, cx| workspace::reload(&reload, cx)
-                    })),
-                    tooltip_message: Some(Self::version_tooltip_message(&version)),
+                    on_click: Some(Arc::new(move |_, _, cx| workspace::reload(cx))),
+                    tooltip_message: Some(Self::version_tooltip_message(version)),
                 }),
                 AutoUpdateStatus::Errored => Some(Content {
                     icon: Some(
@@ -748,21 +733,20 @@ impl ActivityIndicator {
 
         if let Some(extension_store) =
             ExtensionStore::try_global(cx).map(|extension_store| extension_store.read(cx))
+            && let Some(extension_id) = extension_store.outstanding_operations().keys().next()
         {
-            if let Some(extension_id) = extension_store.outstanding_operations().keys().next() {
-                return Some(Content {
-                    icon: Some(
-                        Icon::new(IconName::Download)
-                            .size(IconSize::Small)
-                            .into_any_element(),
-                    ),
-                    message: format!("Updating {extension_id} extension…"),
-                    on_click: Some(Arc::new(|this, window, cx| {
-                        this.dismiss_error_message(&DismissErrorMessage, window, cx)
-                    })),
-                    tooltip_message: None,
-                });
-            }
+            return Some(Content {
+                icon: Some(
+                    Icon::new(IconName::Download)
+                        .size(IconSize::Small)
+                        .into_any_element(),
+                ),
+                message: format!("Updating {extension_id} extension…"),
+                on_click: Some(Arc::new(|this, window, cx| {
+                    this.dismiss_error_message(&DismissErrorMessage, window, cx)
+                })),
+                tooltip_message: None,
+            });
         }
 
         None
diff --git a/crates/agent/Cargo.toml b/crates/agent/Cargo.toml
index c89a7f3303..391abb38fe 100644
--- a/crates/agent/Cargo.toml
+++ b/crates/agent/Cargo.toml
@@ -19,6 +19,7 @@ test-support = [
 ]
 
 [dependencies]
+action_log.workspace = true
 agent_settings.workspace = true
 anyhow.workspace = true
 assistant_context.workspace = true
@@ -30,7 +31,6 @@ collections.workspace = true
 component.workspace = true
 context_server.workspace = true
 convert_case.workspace = true
-feature_flags.workspace = true
 fs.workspace = true
 futures.workspace = true
 git.workspace = true
@@ -47,7 +47,6 @@ paths.workspace = true
 postage.workspace = true
 project.workspace = true
 prompt_store.workspace = true
-proto.workspace = true
 ref-cast.workspace = true
 rope.workspace = true
 schemars.workspace = true
diff --git a/crates/agent/src/agent_profile.rs b/crates/agent/src/agent_profile.rs
index 34ea1c8df7..c9e73372f6 100644
--- a/crates/agent/src/agent_profile.rs
+++ b/crates/agent/src/agent_profile.rs
@@ -90,7 +90,7 @@ impl AgentProfile {
             return false;
         };
 
-        return Self::is_enabled(settings, source, tool_name);
+        Self::is_enabled(settings, source, tool_name)
     }
 
     fn is_enabled(settings: &AgentProfileSettings, source: ToolSource, name: String) -> bool {
@@ -132,7 +132,7 @@ mod tests {
         });
         let tool_set = default_tool_set(cx);
 
-        let profile = AgentProfile::new(id.clone(), tool_set);
+        let profile = AgentProfile::new(id, tool_set);
 
         let mut enabled_tools = cx
             .read(|cx| profile.enabled_tools(cx))
@@ -169,7 +169,7 @@ mod tests {
         });
         let tool_set = default_tool_set(cx);
 
-        let profile = AgentProfile::new(id.clone(), tool_set);
+        let profile = AgentProfile::new(id, tool_set);
 
         let mut enabled_tools = cx
             .read(|cx| profile.enabled_tools(cx))
@@ -202,7 +202,7 @@ mod tests {
         });
         let tool_set = default_tool_set(cx);
 
-        let profile = AgentProfile::new(id.clone(), tool_set);
+        let profile = AgentProfile::new(id, tool_set);
 
         let mut enabled_tools = cx
             .read(|cx| profile.enabled_tools(cx))
@@ -326,7 +326,7 @@ mod tests {
             _input: serde_json::Value,
             _request: Arc<language_model::LanguageModelRequest>,
             _project: Entity<Project>,
-            _action_log: Entity<assistant_tool::ActionLog>,
+            _action_log: Entity<action_log::ActionLog>,
             _model: Arc<dyn language_model::LanguageModel>,
             _window: Option<gpui::AnyWindowHandle>,
             _cx: &mut App,
diff --git a/crates/agent/src/context.rs b/crates/agent/src/context.rs
index ddd13de491..a94a933d86 100644
--- a/crates/agent/src/context.rs
+++ b/crates/agent/src/context.rs
@@ -20,7 +20,7 @@ use text::{Anchor, OffsetRangeExt as _};
 use util::markdown::MarkdownCodeBlock;
 use util::{ResultExt as _, post_inc};
 
-pub const RULES_ICON: IconName = IconName::Context;
+pub const RULES_ICON: IconName = IconName::Reader;
 
 pub enum ContextKind {
     File,
@@ -40,10 +40,10 @@ impl ContextKind {
             ContextKind::File => IconName::File,
             ContextKind::Directory => IconName::Folder,
             ContextKind::Symbol => IconName::Code,
-            ContextKind::Selection => IconName::Context,
-            ContextKind::FetchedUrl => IconName::Globe,
-            ContextKind::Thread => IconName::MessageBubbles,
-            ContextKind::TextThread => IconName::MessageBubbles,
+            ContextKind::Selection => IconName::Reader,
+            ContextKind::FetchedUrl => IconName::ToolWeb,
+            ContextKind::Thread => IconName::Thread,
+            ContextKind::TextThread => IconName::TextThread,
             ContextKind::Rules => RULES_ICON,
             ContextKind::Image => IconName::Image,
         }
@@ -201,24 +201,24 @@ impl FileContextHandle {
                         parse_status.changed().await.log_err();
                     }
 
-                    if let Ok(snapshot) = buffer.read_with(cx, |buffer, _| buffer.snapshot()) {
-                        if let Some(outline) = snapshot.outline(None) {
-                            let items = outline
-                                .items
-                                .into_iter()
-                                .map(|item| item.to_point(&snapshot));
+                    if let Ok(snapshot) = buffer.read_with(cx, |buffer, _| buffer.snapshot())
+                        && let Some(outline) = snapshot.outline(None)
+                    {
+                        let items = outline
+                            .items
+                            .into_iter()
+                            .map(|item| item.to_point(&snapshot));
 
-                            if let Ok(outline_text) =
-                                outline::render_outline(items, None, 0, usize::MAX).await
-                            {
-                                let context = AgentContext::File(FileContext {
-                                    handle: self,
-                                    full_path,
-                                    text: outline_text.into(),
-                                    is_outline: true,
-                                });
-                                return Some((context, vec![buffer]));
-                            }
+                        if let Ok(outline_text) =
+                            outline::render_outline(items, None, 0, usize::MAX).await
+                        {
+                            let context = AgentContext::File(FileContext {
+                                handle: self,
+                                full_path,
+                                text: outline_text.into(),
+                                is_outline: true,
+                            });
+                            return Some((context, vec![buffer]));
                         }
                     }
                 }
@@ -362,7 +362,7 @@ impl Display for DirectoryContext {
         let mut is_first = true;
         for descendant in &self.descendants {
             if !is_first {
-                write!(f, "\n")?;
+                writeln!(f)?;
             } else {
                 is_first = false;
             }
@@ -650,7 +650,7 @@ impl TextThreadContextHandle {
 impl Display for TextThreadContext {
     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
         // TODO: escape title?
-        write!(f, "<text_thread title=\"{}\">\n", self.title)?;
+        writeln!(f, "<text_thread title=\"{}\">", self.title)?;
         write!(f, "{}", self.text.trim())?;
         write!(f, "\n</text_thread>")
     }
@@ -716,7 +716,7 @@ impl RulesContextHandle {
 impl Display for RulesContext {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         if let Some(title) = &self.title {
-            write!(f, "Rules title: {}\n", title)?;
+            writeln!(f, "Rules title: {}", title)?;
         }
         let code_block = MarkdownCodeBlock {
             tag: "",
diff --git a/crates/agent/src/context_server_tool.rs b/crates/agent/src/context_server_tool.rs
index 85e8ac7451..696c569356 100644
--- a/crates/agent/src/context_server_tool.rs
+++ b/crates/agent/src/context_server_tool.rs
@@ -1,7 +1,8 @@
 use std::sync::Arc;
 
+use action_log::ActionLog;
 use anyhow::{Result, anyhow, bail};
-use assistant_tool::{ActionLog, Tool, ToolResult, ToolSource};
+use assistant_tool::{Tool, ToolResult, ToolSource};
 use context_server::{ContextServerId, types};
 use gpui::{AnyWindowHandle, App, Entity, Task};
 use icons::IconName;
@@ -85,15 +86,13 @@ impl Tool for ContextServerTool {
     ) -> ToolResult {
         if let Some(server) = self.store.read(cx).get_running_server(&self.server_id) {
             let tool_name = self.tool.name.clone();
-            let server_clone = server.clone();
-            let input_clone = input.clone();
 
             cx.spawn(async move |_cx| {
-                let Some(protocol) = server_clone.client() else {
+                let Some(protocol) = server.client() else {
                     bail!("Context server not initialized");
                 };
 
-                let arguments = if let serde_json::Value::Object(map) = input_clone {
+                let arguments = if let serde_json::Value::Object(map) = input {
                     Some(map.into_iter().collect())
                 } else {
                     None
diff --git a/crates/agent/src/context_store.rs b/crates/agent/src/context_store.rs
index 60ba5527dc..b531852a18 100644
--- a/crates/agent/src/context_store.rs
+++ b/crates/agent/src/context_store.rs
@@ -338,11 +338,9 @@ impl ContextStore {
             image_task,
             context_id: self.next_context_id.post_inc(),
         });
-        if self.has_context(&context) {
-            if remove_if_exists {
-                self.remove_context(&context, cx);
-                return None;
-            }
+        if self.has_context(&context) && remove_if_exists {
+            self.remove_context(&context, cx);
+            return None;
         }
 
         self.insert_context(context.clone(), cx);
diff --git a/crates/agent/src/history_store.rs b/crates/agent/src/history_store.rs
index 89f75a72bd..8f4c1a1e2e 100644
--- a/crates/agent/src/history_store.rs
+++ b/crates/agent/src/history_store.rs
@@ -212,7 +212,16 @@ impl HistoryStore {
     fn load_recently_opened_entries(cx: &AsyncApp) -> Task<Result<Vec<HistoryEntryId>>> {
         cx.background_spawn(async move {
             let path = paths::data_dir().join(NAVIGATION_HISTORY_PATH);
-            let contents = smol::fs::read_to_string(path).await?;
+            let contents = match smol::fs::read_to_string(path).await {
+                Ok(it) => it,
+                Err(e) if e.kind() == std::io::ErrorKind::NotFound => {
+                    return Ok(Vec::new());
+                }
+                Err(e) => {
+                    return Err(e)
+                        .context("deserializing persisted agent panel navigation history");
+                }
+            };
             let entries = serde_json::from_str::<Vec<SerializedRecentOpen>>(&contents)
                 .context("deserializing persisted agent panel navigation history")?
                 .into_iter()
@@ -245,10 +254,9 @@ impl HistoryStore {
     }
 
     pub fn remove_recently_opened_thread(&mut self, id: ThreadId, cx: &mut Context<Self>) {
-        self.recently_opened_entries.retain(|entry| match entry {
-            HistoryEntryId::Thread(thread_id) if thread_id == &id => false,
-            _ => true,
-        });
+        self.recently_opened_entries.retain(
+            |entry| !matches!(entry, HistoryEntryId::Thread(thread_id) if thread_id == &id),
+        );
         self.save_recently_opened_entries(cx);
     }
 
diff --git a/crates/agent/src/thread.rs b/crates/agent/src/thread.rs
index 0e5da2d43b..899e360ab0 100644
--- a/crates/agent/src/thread.rs
+++ b/crates/agent/src/thread.rs
@@ -8,14 +8,17 @@ use crate::{
     },
     tool_use::{PendingToolUse, ToolUse, ToolUseMetadata, ToolUseState},
 };
-use agent_settings::{AgentProfileId, AgentSettings, CompletionMode};
+use action_log::ActionLog;
+use agent_settings::{
+    AgentProfileId, AgentSettings, CompletionMode, SUMMARIZE_THREAD_DETAILED_PROMPT,
+    SUMMARIZE_THREAD_PROMPT,
+};
 use anyhow::{Result, anyhow};
-use assistant_tool::{ActionLog, AnyToolCard, Tool, ToolWorkingSet};
+use assistant_tool::{AnyToolCard, Tool, ToolWorkingSet};
 use chrono::{DateTime, Utc};
 use client::{ModelRequestUsage, RequestUsage};
-use cloud_llm_client::{CompletionIntent, CompletionRequestStatus, UsageLimit};
+use cloud_llm_client::{CompletionIntent, CompletionRequestStatus, Plan, UsageLimit};
 use collections::HashMap;
-use feature_flags::{self, FeatureFlagAppExt};
 use futures::{FutureExt, StreamExt as _, future::Shared};
 use git::repository::DiffType;
 use gpui::{
@@ -37,7 +40,6 @@ use project::{
     git_store::{GitStore, GitStoreCheckpoint, RepositoryState},
 };
 use prompt_store::{ModelContext, PromptBuilder};
-use proto::Plan;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 use settings::Settings;
@@ -108,7 +110,7 @@ impl std::fmt::Display for PromptId {
 }
 
 #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize)]
-pub struct MessageId(pub(crate) usize);
+pub struct MessageId(pub usize);
 
 impl MessageId {
     fn post_inc(&mut self) -> Self {
@@ -179,7 +181,7 @@ impl Message {
         }
     }
 
-    pub fn to_string(&self) -> String {
+    pub fn to_message_content(&self) -> String {
         let mut result = String::new();
 
         if !self.loaded_context.text.is_empty() {
@@ -385,10 +387,8 @@ pub struct Thread {
     cumulative_token_usage: TokenUsage,
     exceeded_window_error: Option<ExceededWindowError>,
     tool_use_limit_reached: bool,
-    feedback: Option<ThreadFeedback>,
     retry_state: Option<RetryState>,
     message_feedback: HashMap<MessageId, ThreadFeedback>,
-    last_auto_capture_at: Option<Instant>,
     last_received_chunk_at: Option<Instant>,
     request_callback: Option<
         Box<dyn FnMut(&LanguageModelRequest, &[Result<LanguageModelCompletionEvent, String>])>,
@@ -486,15 +486,13 @@ impl Thread {
             cumulative_token_usage: TokenUsage::default(),
             exceeded_window_error: None,
             tool_use_limit_reached: false,
-            feedback: None,
             retry_state: None,
             message_feedback: HashMap::default(),
-            last_auto_capture_at: None,
             last_error_context: None,
             last_received_chunk_at: None,
             request_callback: None,
             remaining_turns: u32::MAX,
-            configured_model: configured_model.clone(),
+            configured_model,
             profile: AgentProfile::new(profile_id, tools),
         }
     }
@@ -532,7 +530,7 @@ impl Thread {
                 .and_then(|model| {
                     let model = SelectedModel {
                         provider: model.provider.clone().into(),
-                        model: model.model.clone().into(),
+                        model: model.model.into(),
                     };
                     registry.select_model(&model, cx)
                 })
@@ -612,9 +610,7 @@ impl Thread {
             cumulative_token_usage: serialized.cumulative_token_usage,
             exceeded_window_error: None,
             tool_use_limit_reached: serialized.tool_use_limit_reached,
-            feedback: None,
             message_feedback: HashMap::default(),
-            last_auto_capture_at: None,
             last_error_context: None,
             last_received_chunk_at: None,
             request_callback: None,
@@ -668,7 +664,7 @@ impl Thread {
     }
 
     pub fn get_or_init_configured_model(&mut self, cx: &App) -> Option<ConfiguredModel> {
-        if self.configured_model.is_none() {
+        if self.configured_model.is_none() || self.messages.is_empty() {
             self.configured_model = LanguageModelRegistry::read_global(cx).default_model();
         }
         self.configured_model.clone()
@@ -844,11 +840,17 @@ impl Thread {
                     .await
                     .unwrap_or(false);
 
-                if !equal {
-                    this.update(cx, |this, cx| {
-                        this.insert_checkpoint(pending_checkpoint, cx)
-                    })?;
-                }
+                this.update(cx, |this, cx| {
+                    this.pending_checkpoint = if equal {
+                        Some(pending_checkpoint)
+                    } else {
+                        this.insert_checkpoint(pending_checkpoint, cx);
+                        Some(ThreadCheckpoint {
+                            message_id: this.next_message_id,
+                            git_checkpoint: final_checkpoint,
+                        })
+                    }
+                })?;
 
                 Ok(())
             }
@@ -1027,8 +1029,6 @@ impl Thread {
             });
         }
 
-        self.auto_capture_telemetry(cx);
-
         message_id
     }
 
@@ -1643,17 +1643,15 @@ impl Thread {
         };
 
         self.tool_use
-            .request_tool_use(tool_message_id, tool_use, tool_use_metadata.clone(), cx);
+            .request_tool_use(tool_message_id, tool_use, tool_use_metadata, cx);
 
-        let pending_tool_use = self.tool_use.insert_tool_output(
-            tool_use_id.clone(),
+        self.tool_use.insert_tool_output(
+            tool_use_id,
             tool_name,
             tool_output,
             self.configured_model.as_ref(),
             self.completion_mode,
-        );
-
-        pending_tool_use
+        )
     }
 
     pub fn stream_completion(
@@ -1686,7 +1684,7 @@ impl Thread {
         self.last_received_chunk_at = Some(Instant::now());
 
         let task = cx.spawn(async move |thread, cx| {
-            let stream_completion_future = model.stream_completion(request, &cx);
+            let stream_completion_future = model.stream_completion(request, cx);
             let initial_token_usage =
                 thread.read_with(cx, |thread, _cx| thread.cumulative_token_usage);
             let stream_completion = async {
@@ -1818,7 +1816,7 @@ impl Thread {
                                 let streamed_input = if tool_use.is_input_complete {
                                     None
                                 } else {
-                                    Some((&tool_use.input).clone())
+                                    Some(tool_use.input.clone())
                                 };
 
                                 let ui_text = thread.tool_use.request_tool_use(
@@ -1900,7 +1898,6 @@ impl Thread {
                         cx.emit(ThreadEvent::StreamedCompletion);
                         cx.notify();
 
-                        thread.auto_capture_telemetry(cx);
                         Ok(())
                     })??;
 
@@ -1968,11 +1965,9 @@ impl Thread {
 
                                                 if let Some(prev_message) =
                                                     thread.messages.get(ix - 1)
-                                                {
-                                                    if prev_message.role == Role::Assistant {
+                                                    && prev_message.role == Role::Assistant {
                                                         break;
                                                     }
-                                                }
                                             }
                                         }
 
@@ -2045,7 +2040,7 @@ impl Thread {
 
                                             retry_scheduled = thread
                                                 .handle_retryable_error_with_delay(
-                                                    &completion_error,
+                                                    completion_error,
                                                     Some(retry_strategy),
                                                     model.clone(),
                                                     intent,
@@ -2075,8 +2070,6 @@ impl Thread {
                         request_callback(request, response_events);
                     }
 
-                    thread.auto_capture_telemetry(cx);
-
                     if let Ok(initial_usage) = initial_token_usage {
                         let usage = thread.cumulative_token_usage - initial_usage;
 
@@ -2104,7 +2097,7 @@ impl Thread {
     }
 
     pub fn summarize(&mut self, cx: &mut Context<Self>) {
-        let Some(model) = LanguageModelRegistry::read_global(cx).thread_summary_model() else {
+        let Some(model) = LanguageModelRegistry::read_global(cx).thread_summary_model(cx) else {
             println!("No thread summary model");
             return;
         };
@@ -2113,12 +2106,10 @@ impl Thread {
             return;
         }
 
-        let added_user_message = include_str!("./prompts/summarize_thread_prompt.txt");
-
         let request = self.to_summarize_request(
             &model.model,
             CompletionIntent::ThreadSummarization,
-            added_user_message.into(),
+            SUMMARIZE_THREAD_PROMPT.into(),
             cx,
         );
 
@@ -2126,7 +2117,7 @@ impl Thread {
 
         self.pending_summary = cx.spawn(async move |this, cx| {
             let result = async {
-                let mut messages = model.model.stream_completion(request, &cx).await?;
+                let mut messages = model.model.stream_completion(request, cx).await?;
 
                 let mut new_summary = String::new();
                 while let Some(event) = messages.next().await {
@@ -2270,6 +2261,15 @@ impl Thread {
                     max_attempts: 3,
                 })
             }
+            Other(err)
+                if err.is::<PaymentRequiredError>()
+                    || err.is::<ModelRequestLimitReachedError>() =>
+            {
+                // Retrying won't help for Payment Required or Model Request Limit errors (where
+                // the user must upgrade to usage-based billing to get more requests, or else wait
+                // for a significant amount of time for the request limit to reset).
+                None
+            }
             // Conservatively assume that any other errors are non-retryable
             HttpResponseError { .. } | Other(..) => Some(RetryStrategy::Fixed {
                 delay: BASE_RETRY_DELAY,
@@ -2416,7 +2416,7 @@ impl Thread {
         }
 
         let Some(ConfiguredModel { model, provider }) =
-            LanguageModelRegistry::read_global(cx).thread_summary_model()
+            LanguageModelRegistry::read_global(cx).thread_summary_model(cx)
         else {
             return;
         };
@@ -2425,12 +2425,10 @@ impl Thread {
             return;
         }
 
-        let added_user_message = include_str!("./prompts/summarize_thread_detailed_prompt.txt");
-
         let request = self.to_summarize_request(
             &model,
             CompletionIntent::ThreadContextSummarization,
-            added_user_message.into(),
+            SUMMARIZE_THREAD_DETAILED_PROMPT.into(),
             cx,
         );
 
@@ -2443,7 +2441,7 @@ impl Thread {
         // which result to prefer (the old task could complete after the new one, resulting in a
         // stale summary).
         self.detailed_summary_task = cx.spawn(async move |thread, cx| {
-            let stream = model.stream_completion_text(request, &cx);
+            let stream = model.stream_completion_text(request, cx);
             let Some(mut messages) = stream.await.log_err() else {
                 thread
                     .update(cx, |thread, _cx| {
@@ -2472,13 +2470,13 @@ impl Thread {
                 .ok()?;
 
             // Save thread so its summary can be reused later
-            if let Some(thread) = thread.upgrade() {
-                if let Ok(Ok(save_task)) = cx.update(|cx| {
+            if let Some(thread) = thread.upgrade()
+                && let Ok(Ok(save_task)) = cx.update(|cx| {
                     thread_store
                         .update(cx, |thread_store, cx| thread_store.save_thread(&thread, cx))
-                }) {
-                    save_task.await.log_err();
-                }
+                })
+            {
+                save_task.await.log_err();
             }
 
             Some(())
@@ -2523,7 +2521,6 @@ impl Thread {
         model: Arc<dyn LanguageModel>,
         cx: &mut Context<Self>,
     ) -> Vec<PendingToolUse> {
-        self.auto_capture_telemetry(cx);
         let request =
             Arc::new(self.to_completion_request(model.clone(), CompletionIntent::ToolResults, cx));
         let pending_tool_uses = self
@@ -2727,13 +2724,11 @@ impl Thread {
         window: Option<AnyWindowHandle>,
         cx: &mut Context<Self>,
     ) {
-        if self.all_tools_finished() {
-            if let Some(ConfiguredModel { model, .. }) = self.configured_model.as_ref() {
-                if !canceled {
-                    self.send_to_model(model.clone(), CompletionIntent::ToolResults, window, cx);
-                }
-                self.auto_capture_telemetry(cx);
-            }
+        if self.all_tools_finished()
+            && let Some(ConfiguredModel { model, .. }) = self.configured_model.as_ref()
+            && !canceled
+        {
+            self.send_to_model(model.clone(), CompletionIntent::ToolResults, window, cx);
         }
 
         cx.emit(ThreadEvent::ToolFinished {
@@ -2789,10 +2784,6 @@ impl Thread {
         cx.emit(ThreadEvent::CancelEditing);
     }
 
-    pub fn feedback(&self) -> Option<ThreadFeedback> {
-        self.feedback
-    }
-
     pub fn message_feedback(&self, message_id: MessageId) -> Option<ThreadFeedback> {
         self.message_feedback.get(&message_id).copied()
     }
@@ -2825,7 +2816,7 @@ impl Thread {
 
         let message_content = self
             .message(message_id)
-            .map(|msg| msg.to_string())
+            .map(|msg| msg.to_message_content())
             .unwrap_or_default();
 
         cx.background_spawn(async move {
@@ -2854,52 +2845,6 @@ impl Thread {
         })
     }
 
-    pub fn report_feedback(
-        &mut self,
-        feedback: ThreadFeedback,
-        cx: &mut Context<Self>,
-    ) -> Task<Result<()>> {
-        let last_assistant_message_id = self
-            .messages
-            .iter()
-            .rev()
-            .find(|msg| msg.role == Role::Assistant)
-            .map(|msg| msg.id);
-
-        if let Some(message_id) = last_assistant_message_id {
-            self.report_message_feedback(message_id, feedback, cx)
-        } else {
-            let final_project_snapshot = Self::project_snapshot(self.project.clone(), cx);
-            let serialized_thread = self.serialize(cx);
-            let thread_id = self.id().clone();
-            let client = self.project.read(cx).client();
-            self.feedback = Some(feedback);
-            cx.notify();
-
-            cx.background_spawn(async move {
-                let final_project_snapshot = final_project_snapshot.await;
-                let serialized_thread = serialized_thread.await?;
-                let thread_data = serde_json::to_value(serialized_thread)
-                    .unwrap_or_else(|_| serde_json::Value::Null);
-
-                let rating = match feedback {
-                    ThreadFeedback::Positive => "positive",
-                    ThreadFeedback::Negative => "negative",
-                };
-                telemetry::event!(
-                    "Assistant Thread Rated",
-                    rating,
-                    thread_id,
-                    thread_data,
-                    final_project_snapshot
-                );
-                client.telemetry().flush_events().await;
-
-                Ok(())
-            })
-        }
-    }
-
     /// Create a snapshot of the current project state including git information and unsaved buffers.
     fn project_snapshot(
         project: Entity<Project>,
@@ -2920,11 +2865,11 @@ impl Thread {
                 let buffer_store = project.read(app_cx).buffer_store();
                 for buffer_handle in buffer_store.read(app_cx).buffers() {
                     let buffer = buffer_handle.read(app_cx);
-                    if buffer.is_dirty() {
-                        if let Some(file) = buffer.file() {
-                            let path = file.path().to_string_lossy().to_string();
-                            unsaved_buffers.push(path);
-                        }
+                    if buffer.is_dirty()
+                        && let Some(file) = buffer.file()
+                    {
+                        let path = file.path().to_string_lossy().to_string();
+                        unsaved_buffers.push(path);
                     }
                 }
             })
@@ -3134,50 +3079,6 @@ impl Thread {
         &self.project
     }
 
-    pub fn auto_capture_telemetry(&mut self, cx: &mut Context<Self>) {
-        if !cx.has_flag::<feature_flags::ThreadAutoCaptureFeatureFlag>() {
-            return;
-        }
-
-        let now = Instant::now();
-        if let Some(last) = self.last_auto_capture_at {
-            if now.duration_since(last).as_secs() < 10 {
-                return;
-            }
-        }
-
-        self.last_auto_capture_at = Some(now);
-
-        let thread_id = self.id().clone();
-        let github_login = self
-            .project
-            .read(cx)
-            .user_store()
-            .read(cx)
-            .current_user()
-            .map(|user| user.github_login.clone());
-        let client = self.project.read(cx).client();
-        let serialize_task = self.serialize(cx);
-
-        cx.background_executor()
-            .spawn(async move {
-                if let Ok(serialized_thread) = serialize_task.await {
-                    if let Ok(thread_data) = serde_json::to_value(serialized_thread) {
-                        telemetry::event!(
-                            "Agent Thread Auto-Captured",
-                            thread_id = thread_id.to_string(),
-                            thread_data = thread_data,
-                            auto_capture_reason = "tracked_user",
-                            github_login = github_login
-                        );
-
-                        client.telemetry().flush_events().await;
-                    }
-                }
-            })
-            .detach();
-    }
-
     pub fn cumulative_token_usage(&self) -> TokenUsage {
         self.cumulative_token_usage
     }
@@ -3220,13 +3121,13 @@ impl Thread {
             .model
             .max_token_count_for_mode(self.completion_mode().into());
 
-        if let Some(exceeded_error) = &self.exceeded_window_error {
-            if model.model.id() == exceeded_error.model_id {
-                return Some(TotalTokenUsage {
-                    total: exceeded_error.token_count,
-                    max,
-                });
-            }
+        if let Some(exceeded_error) = &self.exceeded_window_error
+            && model.model.id() == exceeded_error.model_id
+        {
+            return Some(TotalTokenUsage {
+                total: exceeded_error.token_count,
+                max,
+            });
         }
 
         let total = self
@@ -3255,8 +3156,10 @@ impl Thread {
     }
 
     fn update_model_request_usage(&self, amount: u32, limit: UsageLimit, cx: &mut Context<Self>) {
-        self.project.update(cx, |project, cx| {
-            project.user_store().update(cx, |user_store, cx| {
+        self.project
+            .read(cx)
+            .user_store()
+            .update(cx, |user_store, cx| {
                 user_store.update_model_request_usage(
                     ModelRequestUsage(RequestUsage {
                         amount: amount as i32,
@@ -3264,8 +3167,7 @@ impl Thread {
                     }),
                     cx,
                 )
-            })
-        });
+            });
     }
 
     pub fn deny_tool_use(
@@ -3286,7 +3188,7 @@ impl Thread {
             self.configured_model.as_ref(),
             self.completion_mode,
         );
-        self.tool_finished(tool_use_id.clone(), None, true, window, cx);
+        self.tool_finished(tool_use_id, None, true, window, cx);
     }
 }
 
@@ -3918,7 +3820,7 @@ fn main() {{
                 AgentSettings {
                     model_parameters: vec![LanguageModelParameters {
                         provider: Some(model.provider_id().0.to_string().into()),
-                        model: Some(model.id().0.clone()),
+                        model: Some(model.id().0),
                         temperature: Some(0.66),
                     }],
                     ..AgentSettings::get_global(cx).clone()
@@ -3938,7 +3840,7 @@ fn main() {{
                 AgentSettings {
                     model_parameters: vec![LanguageModelParameters {
                         provider: None,
-                        model: Some(model.id().0.clone()),
+                        model: Some(model.id().0),
                         temperature: Some(0.66),
                     }],
                     ..AgentSettings::get_global(cx).clone()
@@ -3978,7 +3880,7 @@ fn main() {{
                 AgentSettings {
                     model_parameters: vec![LanguageModelParameters {
                         provider: Some("anthropic".into()),
-                        model: Some(model.id().0.clone()),
+                        model: Some(model.id().0),
                         temperature: Some(0.66),
                     }],
                     ..AgentSettings::get_global(cx).clone()
@@ -4029,7 +3931,7 @@ fn main() {{
         });
 
         let fake_model = model.as_fake();
-        simulate_successful_response(&fake_model, cx);
+        simulate_successful_response(fake_model, cx);
 
         // Should start generating summary when there are >= 2 messages
         thread.read_with(cx, |thread, _| {
@@ -4047,8 +3949,8 @@ fn main() {{
         });
 
         cx.run_until_parked();
-        fake_model.stream_last_completion_response("Brief");
-        fake_model.stream_last_completion_response(" Introduction");
+        fake_model.send_last_completion_stream_text_chunk("Brief");
+        fake_model.send_last_completion_stream_text_chunk(" Introduction");
         fake_model.end_last_completion_stream();
         cx.run_until_parked();
 
@@ -4124,7 +4026,7 @@ fn main() {{
         });
 
         let fake_model = model.as_fake();
-        simulate_successful_response(&fake_model, cx);
+        simulate_successful_response(fake_model, cx);
 
         thread.read_with(cx, |thread, _| {
             // State is still Error, not Generating
@@ -4141,7 +4043,7 @@ fn main() {{
         });
 
         cx.run_until_parked();
-        fake_model.stream_last_completion_response("A successful summary");
+        fake_model.send_last_completion_stream_text_chunk("A successful summary");
         fake_model.end_last_completion_stream();
         cx.run_until_parked();
 
@@ -4774,7 +4676,7 @@ fn main() {{
             !pending.is_empty(),
             "Should have a pending completion after retry"
         );
-        fake_model.stream_completion_response(&pending[0], "Success!");
+        fake_model.send_completion_stream_text_chunk(&pending[0], "Success!");
         fake_model.end_completion_stream(&pending[0]);
         cx.run_until_parked();
 
@@ -4942,7 +4844,7 @@ fn main() {{
 
         // Check for pending completions and complete them
         if let Some(pending) = inner_fake.pending_completions().first() {
-            inner_fake.stream_completion_response(pending, "Success!");
+            inner_fake.send_completion_stream_text_chunk(pending, "Success!");
             inner_fake.end_completion_stream(pending);
         }
         cx.run_until_parked();
@@ -5323,7 +5225,7 @@ fn main() {{
     }
 
     #[gpui::test]
-    async fn test_retry_cancelled_on_stop(cx: &mut TestAppContext) {
+    async fn test_retry_canceled_on_stop(cx: &mut TestAppContext) {
         init_test_settings(cx);
 
         let project = create_test_project(cx, json!({})).await;
@@ -5379,7 +5281,7 @@ fn main() {{
             "Should have no pending completions after cancellation"
         );
 
-        // Verify the retry was cancelled by checking retry state
+        // Verify the retry was canceled by checking retry state
         thread.read_with(cx, |thread, _| {
             if let Some(retry_state) = &thread.retry_state {
                 panic!(
@@ -5406,7 +5308,7 @@ fn main() {{
         });
 
         let fake_model = model.as_fake();
-        simulate_successful_response(&fake_model, cx);
+        simulate_successful_response(fake_model, cx);
 
         thread.read_with(cx, |thread, _| {
             assert!(matches!(thread.summary(), ThreadSummary::Generating));
@@ -5427,7 +5329,7 @@ fn main() {{
 
     fn simulate_successful_response(fake_model: &FakeLanguageModel, cx: &mut TestAppContext) {
         cx.run_until_parked();
-        fake_model.stream_last_completion_response("Assistant response");
+        fake_model.send_last_completion_stream_text_chunk("Assistant response");
         fake_model.end_last_completion_stream();
         cx.run_until_parked();
     }
@@ -5508,13 +5410,10 @@ fn main() {{
                     }),
                     cx,
                 );
-                registry.set_thread_summary_model(
-                    Some(ConfiguredModel {
-                        provider,
-                        model: model.clone(),
-                    }),
-                    cx,
-                );
+                registry.set_thread_summary_model(Some(ConfiguredModel {
+                    provider,
+                    model: model.clone(),
+                }));
             })
         });
 
diff --git a/crates/agent/src/thread_store.rs b/crates/agent/src/thread_store.rs
index cc7cb50c91..cba2457566 100644
--- a/crates/agent/src/thread_store.rs
+++ b/crates/agent/src/thread_store.rs
@@ -42,7 +42,7 @@ use std::{
 use util::ResultExt as _;
 
 pub static ZED_STATELESS: std::sync::LazyLock<bool> =
-    std::sync::LazyLock::new(|| std::env::var("ZED_STATELESS").map_or(false, |v| !v.is_empty()));
+    std::sync::LazyLock::new(|| std::env::var("ZED_STATELESS").is_ok_and(|v| !v.is_empty()));
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub enum DataType {
@@ -74,7 +74,7 @@ impl Column for DataType {
     }
 }
 
-const RULES_FILE_NAMES: [&'static str; 9] = [
+const RULES_FILE_NAMES: [&str; 9] = [
     ".rules",
     ".cursorrules",
     ".windsurfrules",
@@ -205,6 +205,22 @@ impl ThreadStore {
         (this, ready_rx)
     }
 
+    #[cfg(any(test, feature = "test-support"))]
+    pub fn fake(project: Entity<Project>, cx: &mut App) -> Self {
+        Self {
+            project,
+            tools: cx.new(|_| ToolWorkingSet::default()),
+            prompt_builder: Arc::new(PromptBuilder::new(None).unwrap()),
+            prompt_store: None,
+            context_server_tool_ids: HashMap::default(),
+            threads: Vec::new(),
+            project_context: SharedProjectContext::default(),
+            reload_system_prompt_tx: mpsc::channel(0).0,
+            _reload_system_prompt_task: Task::ready(()),
+            _subscriptions: vec![],
+        }
+    }
+
     fn handle_project_event(
         &mut self,
         _project: Entity<Project>,
@@ -565,33 +581,32 @@ impl ThreadStore {
                 return;
             };
 
-            if protocol.capable(context_server::protocol::ServerCapability::Tools) {
-                if let Some(response) = protocol
+            if protocol.capable(context_server::protocol::ServerCapability::Tools)
+                && let Some(response) = protocol
                     .request::<context_server::types::requests::ListTools>(())
                     .await
                     .log_err()
-                {
-                    let tool_ids = tool_working_set
-                        .update(cx, |tool_working_set, cx| {
-                            tool_working_set.extend(
-                                response.tools.into_iter().map(|tool| {
-                                    Arc::new(ContextServerTool::new(
-                                        context_server_store.clone(),
-                                        server.id(),
-                                        tool,
-                                    )) as Arc<dyn Tool>
-                                }),
-                                cx,
-                            )
-                        })
-                        .log_err();
+            {
+                let tool_ids = tool_working_set
+                    .update(cx, |tool_working_set, cx| {
+                        tool_working_set.extend(
+                            response.tools.into_iter().map(|tool| {
+                                Arc::new(ContextServerTool::new(
+                                    context_server_store.clone(),
+                                    server.id(),
+                                    tool,
+                                )) as Arc<dyn Tool>
+                            }),
+                            cx,
+                        )
+                    })
+                    .log_err();
 
-                    if let Some(tool_ids) = tool_ids {
-                        this.update(cx, |this, _| {
-                            this.context_server_tool_ids.insert(server_id, tool_ids);
-                        })
-                        .log_err();
-                    }
+                if let Some(tool_ids) = tool_ids {
+                    this.update(cx, |this, _| {
+                        this.context_server_tool_ids.insert(server_id, tool_ids);
+                    })
+                    .log_err();
                 }
             }
         })
@@ -681,13 +696,14 @@ impl SerializedThreadV0_1_0 {
         let mut messages: Vec<SerializedMessage> = Vec::with_capacity(self.0.messages.len());
 
         for message in self.0.messages {
-            if message.role == Role::User && !message.tool_results.is_empty() {
-                if let Some(last_message) = messages.last_mut() {
-                    debug_assert!(last_message.role == Role::Assistant);
+            if message.role == Role::User
+                && !message.tool_results.is_empty()
+                && let Some(last_message) = messages.last_mut()
+            {
+                debug_assert!(last_message.role == Role::Assistant);
 
-                    last_message.tool_results = message.tool_results;
-                    continue;
-                }
+                last_message.tool_results = message.tool_results;
+                continue;
             }
 
             messages.push(message);
@@ -879,6 +895,17 @@ impl ThreadsDatabase {
 
         let connection = if *ZED_STATELESS {
             Connection::open_memory(Some("THREAD_FALLBACK_DB"))
+        } else if cfg!(any(feature = "test-support", test)) {
+            // rust stores the name of the test on the current thread.
+            // We use this to automatically create a database that will
+            // be shared within the test (for the test_retrieve_old_thread)
+            // but not with concurrent tests.
+            let thread = std::thread::current();
+            let test_name = thread.name();
+            Connection::open_memory(Some(&format!(
+                "THREAD_FALLBACK_{}",
+                test_name.unwrap_or_default()
+            )))
         } else {
             Connection::open_file(&sqlite_path.to_string_lossy())
         };
diff --git a/crates/agent/src/tool_use.rs b/crates/agent/src/tool_use.rs
index 7392c0878d..962dca591f 100644
--- a/crates/agent/src/tool_use.rs
+++ b/crates/agent/src/tool_use.rs
@@ -112,19 +112,13 @@ impl ToolUseState {
                                 },
                             );
 
-                            if let Some(window) = &mut window {
-                                if let Some(tool) = this.tools.read(cx).tool(tool_use, cx) {
-                                    if let Some(output) = tool_result.output.clone() {
-                                        if let Some(card) = tool.deserialize_card(
-                                            output,
-                                            project.clone(),
-                                            window,
-                                            cx,
-                                        ) {
-                                            this.tool_result_cards.insert(tool_use_id, card);
-                                        }
-                                    }
-                                }
+                            if let Some(window) = &mut window
+                                && let Some(tool) = this.tools.read(cx).tool(tool_use, cx)
+                                && let Some(output) = tool_result.output.clone()
+                                && let Some(card) =
+                                    tool.deserialize_card(output, project.clone(), window, cx)
+                            {
+                                this.tool_result_cards.insert(tool_use_id, card);
                             }
                         }
                     }
@@ -137,7 +131,7 @@ impl ToolUseState {
     }
 
     pub fn cancel_pending(&mut self) -> Vec<PendingToolUse> {
-        let mut cancelled_tool_uses = Vec::new();
+        let mut canceled_tool_uses = Vec::new();
         self.pending_tool_uses_by_id
             .retain(|tool_use_id, tool_use| {
                 if matches!(tool_use.status, PendingToolUseStatus::Error { .. }) {
@@ -155,10 +149,10 @@ impl ToolUseState {
                         is_error: true,
                     },
                 );
-                cancelled_tool_uses.push(tool_use.clone());
+                canceled_tool_uses.push(tool_use.clone());
                 false
             });
-        cancelled_tool_uses
+        canceled_tool_uses
     }
 
     pub fn pending_tool_uses(&self) -> Vec<&PendingToolUse> {
@@ -281,7 +275,7 @@ impl ToolUseState {
     pub fn message_has_tool_results(&self, assistant_message_id: MessageId) -> bool {
         self.tool_uses_by_assistant_message
             .get(&assistant_message_id)
-            .map_or(false, |results| !results.is_empty())
+            .is_some_and(|results| !results.is_empty())
     }
 
     pub fn tool_result(
diff --git a/crates/agent2/Cargo.toml b/crates/agent2/Cargo.toml
new file mode 100644
index 0000000000..68246a96b0
--- /dev/null
+++ b/crates/agent2/Cargo.toml
@@ -0,0 +1,103 @@
+[package]
+name = "agent2"
+version = "0.1.0"
+edition.workspace = true
+publish.workspace = true
+license = "GPL-3.0-or-later"
+
+[lib]
+path = "src/agent2.rs"
+
+[features]
+test-support = ["db/test-support"]
+e2e = []
+
+[lints]
+workspace = true
+
+[dependencies]
+acp_thread.workspace = true
+action_log.workspace = true
+agent.workspace = true
+agent-client-protocol.workspace = true
+agent_servers.workspace = true
+agent_settings.workspace = true
+anyhow.workspace = true
+assistant_context.workspace = true
+assistant_tool.workspace = true
+assistant_tools.workspace = true
+chrono.workspace = true
+client.workspace = true
+cloud_llm_client.workspace = true
+collections.workspace = true
+context_server.workspace = true
+db.workspace = true
+fs.workspace = true
+futures.workspace = true
+git.workspace = true
+gpui.workspace = true
+handlebars = { workspace = true, features = ["rust-embed"] }
+html_to_markdown.workspace = true
+http_client.workspace = true
+indoc.workspace = true
+itertools.workspace = true
+language.workspace = true
+language_model.workspace = true
+language_models.workspace = true
+log.workspace = true
+open.workspace = true
+parking_lot.workspace = true
+paths.workspace = true
+portable-pty.workspace = true
+project.workspace = true
+prompt_store.workspace = true
+rust-embed.workspace = true
+schemars.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+settings.workspace = true
+smol.workspace = true
+sqlez.workspace = true
+task.workspace = true
+telemetry.workspace = true
+terminal.workspace = true
+thiserror.workspace = true
+text.workspace = true
+ui.workspace = true
+util.workspace = true
+uuid.workspace = true
+watch.workspace = true
+web_search.workspace = true
+which.workspace = true
+workspace-hack.workspace = true
+zstd.workspace = true
+
+[dev-dependencies]
+agent = { workspace = true, "features" = ["test-support"] }
+agent_servers = { workspace = true, "features" = ["test-support"] }
+assistant_context = { workspace = true, "features" = ["test-support"] }
+ctor.workspace = true
+client = { workspace = true, "features" = ["test-support"] }
+clock = { workspace = true, "features" = ["test-support"] }
+context_server = { workspace = true, "features" = ["test-support"] }
+db = { workspace = true, "features" = ["test-support"] }
+editor = { workspace = true, "features" = ["test-support"] }
+env_logger.workspace = true
+fs = { workspace = true, "features" = ["test-support"] }
+git = { workspace = true, "features" = ["test-support"] }
+gpui = { workspace = true, "features" = ["test-support"] }
+gpui_tokio.workspace = true
+language = { workspace = true, "features" = ["test-support"] }
+language_model = { workspace = true, "features" = ["test-support"] }
+lsp = { workspace = true, "features" = ["test-support"] }
+pretty_assertions.workspace = true
+project = { workspace = true, "features" = ["test-support"] }
+reqwest_client.workspace = true
+settings = { workspace = true, "features" = ["test-support"] }
+tempfile.workspace = true
+terminal = { workspace = true, "features" = ["test-support"] }
+theme = { workspace = true, "features" = ["test-support"] }
+tree-sitter-rust.workspace = true
+unindent = { workspace = true }
+worktree = { workspace = true, "features" = ["test-support"] }
+zlog.workspace = true
diff --git a/crates/inline_completion_button/LICENSE-GPL b/crates/agent2/LICENSE-GPL
similarity index 100%
rename from crates/inline_completion_button/LICENSE-GPL
rename to crates/agent2/LICENSE-GPL
diff --git a/crates/agent2/src/agent.rs b/crates/agent2/src/agent.rs
new file mode 100644
index 0000000000..ecfaea4b49
--- /dev/null
+++ b/crates/agent2/src/agent.rs
@@ -0,0 +1,1423 @@
+use crate::{
+    ContextServerRegistry, Thread, ThreadEvent, ThreadsDatabase, ToolCallAuthorization,
+    UserMessageContent, templates::Templates,
+};
+use crate::{HistoryStore, TitleUpdated, TokenUsageUpdated};
+use acp_thread::{AcpThread, AgentModelSelector};
+use action_log::ActionLog;
+use agent_client_protocol as acp;
+use agent_settings::AgentSettings;
+use anyhow::{Context as _, Result, anyhow};
+use collections::{HashSet, IndexMap};
+use fs::Fs;
+use futures::channel::mpsc;
+use futures::{StreamExt, future};
+use gpui::{
+    App, AppContext, AsyncApp, Context, Entity, SharedString, Subscription, Task, WeakEntity,
+};
+use language_model::{LanguageModel, LanguageModelProvider, LanguageModelRegistry};
+use project::{Project, ProjectItem, ProjectPath, Worktree};
+use prompt_store::{
+    ProjectContext, PromptId, PromptStore, RulesFileContext, UserRulesContext, WorktreeContext,
+};
+use settings::update_settings_file;
+use std::any::Any;
+use std::collections::HashMap;
+use std::path::Path;
+use std::rc::Rc;
+use std::sync::Arc;
+use util::ResultExt;
+
+const RULES_FILE_NAMES: [&str; 9] = [
+    ".rules",
+    ".cursorrules",
+    ".windsurfrules",
+    ".clinerules",
+    ".github/copilot-instructions.md",
+    "CLAUDE.md",
+    "AGENT.md",
+    "AGENTS.md",
+    "GEMINI.md",
+];
+
+pub struct RulesLoadingError {
+    pub message: SharedString,
+}
+
+/// Holds both the internal Thread and the AcpThread for a session
+struct Session {
+    /// The internal thread that processes messages
+    thread: Entity<Thread>,
+    /// The ACP thread that handles protocol communication
+    acp_thread: WeakEntity<acp_thread::AcpThread>,
+    pending_save: Task<()>,
+    _subscriptions: Vec<Subscription>,
+}
+
+pub struct LanguageModels {
+    /// Access language model by ID
+    models: HashMap<acp_thread::AgentModelId, Arc<dyn LanguageModel>>,
+    /// Cached list for returning language model information
+    model_list: acp_thread::AgentModelList,
+    refresh_models_rx: watch::Receiver<()>,
+    refresh_models_tx: watch::Sender<()>,
+}
+
+impl LanguageModels {
+    fn new(cx: &App) -> Self {
+        let (refresh_models_tx, refresh_models_rx) = watch::channel(());
+        let mut this = Self {
+            models: HashMap::default(),
+            model_list: acp_thread::AgentModelList::Grouped(IndexMap::default()),
+            refresh_models_rx,
+            refresh_models_tx,
+        };
+        this.refresh_list(cx);
+        this
+    }
+
+    fn refresh_list(&mut self, cx: &App) {
+        let providers = LanguageModelRegistry::global(cx)
+            .read(cx)
+            .providers()
+            .into_iter()
+            .filter(|provider| provider.is_authenticated(cx))
+            .collect::<Vec<_>>();
+
+        let mut language_model_list = IndexMap::default();
+        let mut recommended_models = HashSet::default();
+
+        let mut recommended = Vec::new();
+        for provider in &providers {
+            for model in provider.recommended_models(cx) {
+                recommended_models.insert(model.id());
+                recommended.push(Self::map_language_model_to_info(&model, provider));
+            }
+        }
+        if !recommended.is_empty() {
+            language_model_list.insert(
+                acp_thread::AgentModelGroupName("Recommended".into()),
+                recommended,
+            );
+        }
+
+        let mut models = HashMap::default();
+        for provider in providers {
+            let mut provider_models = Vec::new();
+            for model in provider.provided_models(cx) {
+                let model_info = Self::map_language_model_to_info(&model, &provider);
+                let model_id = model_info.id.clone();
+                if !recommended_models.contains(&model.id()) {
+                    provider_models.push(model_info);
+                }
+                models.insert(model_id, model);
+            }
+            if !provider_models.is_empty() {
+                language_model_list.insert(
+                    acp_thread::AgentModelGroupName(provider.name().0.clone()),
+                    provider_models,
+                );
+            }
+        }
+
+        self.models = models;
+        self.model_list = acp_thread::AgentModelList::Grouped(language_model_list);
+        self.refresh_models_tx.send(()).ok();
+    }
+
+    fn watch(&self) -> watch::Receiver<()> {
+        self.refresh_models_rx.clone()
+    }
+
+    pub fn model_from_id(
+        &self,
+        model_id: &acp_thread::AgentModelId,
+    ) -> Option<Arc<dyn LanguageModel>> {
+        self.models.get(model_id).cloned()
+    }
+
+    fn map_language_model_to_info(
+        model: &Arc<dyn LanguageModel>,
+        provider: &Arc<dyn LanguageModelProvider>,
+    ) -> acp_thread::AgentModelInfo {
+        acp_thread::AgentModelInfo {
+            id: Self::model_id(model),
+            name: model.name().0,
+            icon: Some(provider.icon()),
+        }
+    }
+
+    fn model_id(model: &Arc<dyn LanguageModel>) -> acp_thread::AgentModelId {
+        acp_thread::AgentModelId(format!("{}/{}", model.provider_id().0, model.id().0).into())
+    }
+}
+
+pub struct NativeAgent {
+    /// Session ID -> Session mapping
+    sessions: HashMap<acp::SessionId, Session>,
+    history: Entity<HistoryStore>,
+    /// Shared project context for all threads
+    project_context: Entity<ProjectContext>,
+    project_context_needs_refresh: watch::Sender<()>,
+    _maintain_project_context: Task<Result<()>>,
+    context_server_registry: Entity<ContextServerRegistry>,
+    /// Shared templates for all threads
+    templates: Arc<Templates>,
+    /// Cached model information
+    models: LanguageModels,
+    project: Entity<Project>,
+    prompt_store: Option<Entity<PromptStore>>,
+    fs: Arc<dyn Fs>,
+    _subscriptions: Vec<Subscription>,
+}
+
+impl NativeAgent {
+    pub async fn new(
+        project: Entity<Project>,
+        history: Entity<HistoryStore>,
+        templates: Arc<Templates>,
+        prompt_store: Option<Entity<PromptStore>>,
+        fs: Arc<dyn Fs>,
+        cx: &mut AsyncApp,
+    ) -> Result<Entity<NativeAgent>> {
+        log::debug!("Creating new NativeAgent");
+
+        let project_context = cx
+            .update(|cx| Self::build_project_context(&project, prompt_store.as_ref(), cx))?
+            .await;
+
+        cx.new(|cx| {
+            let mut subscriptions = vec![
+                cx.subscribe(&project, Self::handle_project_event),
+                cx.subscribe(
+                    &LanguageModelRegistry::global(cx),
+                    Self::handle_models_updated_event,
+                ),
+            ];
+            if let Some(prompt_store) = prompt_store.as_ref() {
+                subscriptions.push(cx.subscribe(prompt_store, Self::handle_prompts_updated_event))
+            }
+
+            let (project_context_needs_refresh_tx, project_context_needs_refresh_rx) =
+                watch::channel(());
+            Self {
+                sessions: HashMap::new(),
+                history,
+                project_context: cx.new(|_| project_context),
+                project_context_needs_refresh: project_context_needs_refresh_tx,
+                _maintain_project_context: cx.spawn(async move |this, cx| {
+                    Self::maintain_project_context(this, project_context_needs_refresh_rx, cx).await
+                }),
+                context_server_registry: cx.new(|cx| {
+                    ContextServerRegistry::new(project.read(cx).context_server_store(), cx)
+                }),
+                templates,
+                models: LanguageModels::new(cx),
+                project,
+                prompt_store,
+                fs,
+                _subscriptions: subscriptions,
+            }
+        })
+    }
+
+    fn register_session(
+        &mut self,
+        thread_handle: Entity<Thread>,
+        cx: &mut Context<Self>,
+    ) -> Entity<AcpThread> {
+        let connection = Rc::new(NativeAgentConnection(cx.entity()));
+        let registry = LanguageModelRegistry::read_global(cx);
+        let summarization_model = registry.thread_summary_model(cx).map(|c| c.model);
+
+        thread_handle.update(cx, |thread, cx| {
+            thread.set_summarization_model(summarization_model, cx);
+            thread.add_default_tools(cx)
+        });
+
+        let thread = thread_handle.read(cx);
+        let session_id = thread.id().clone();
+        let title = thread.title();
+        let project = thread.project.clone();
+        let action_log = thread.action_log.clone();
+        let prompt_capabilities_rx = thread.prompt_capabilities_rx.clone();
+        let acp_thread = cx.new(|cx| {
+            acp_thread::AcpThread::new(
+                title,
+                connection,
+                project.clone(),
+                action_log.clone(),
+                session_id.clone(),
+                prompt_capabilities_rx,
+                cx,
+            )
+        });
+        let subscriptions = vec![
+            cx.observe_release(&acp_thread, |this, acp_thread, _cx| {
+                this.sessions.remove(acp_thread.session_id());
+            }),
+            cx.subscribe(&thread_handle, Self::handle_thread_title_updated),
+            cx.subscribe(&thread_handle, Self::handle_thread_token_usage_updated),
+            cx.observe(&thread_handle, move |this, thread, cx| {
+                this.save_thread(thread, cx)
+            }),
+        ];
+
+        self.sessions.insert(
+            session_id,
+            Session {
+                thread: thread_handle,
+                acp_thread: acp_thread.downgrade(),
+                _subscriptions: subscriptions,
+                pending_save: Task::ready(()),
+            },
+        );
+        acp_thread
+    }
+
+    pub fn models(&self) -> &LanguageModels {
+        &self.models
+    }
+
+    async fn maintain_project_context(
+        this: WeakEntity<Self>,
+        mut needs_refresh: watch::Receiver<()>,
+        cx: &mut AsyncApp,
+    ) -> Result<()> {
+        while needs_refresh.changed().await.is_ok() {
+            let project_context = this
+                .update(cx, |this, cx| {
+                    Self::build_project_context(&this.project, this.prompt_store.as_ref(), cx)
+                })?
+                .await;
+            this.update(cx, |this, cx| {
+                this.project_context = cx.new(|_| project_context);
+            })?;
+        }
+
+        Ok(())
+    }
+
+    fn build_project_context(
+        project: &Entity<Project>,
+        prompt_store: Option<&Entity<PromptStore>>,
+        cx: &mut App,
+    ) -> Task<ProjectContext> {
+        let worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
+        let worktree_tasks = worktrees
+            .into_iter()
+            .map(|worktree| {
+                Self::load_worktree_info_for_system_prompt(worktree, project.clone(), cx)
+            })
+            .collect::<Vec<_>>();
+        let default_user_rules_task = if let Some(prompt_store) = prompt_store.as_ref() {
+            prompt_store.read_with(cx, |prompt_store, cx| {
+                let prompts = prompt_store.default_prompt_metadata();
+                let load_tasks = prompts.into_iter().map(|prompt_metadata| {
+                    let contents = prompt_store.load(prompt_metadata.id, cx);
+                    async move { (contents.await, prompt_metadata) }
+                });
+                cx.background_spawn(future::join_all(load_tasks))
+            })
+        } else {
+            Task::ready(vec![])
+        };
+
+        cx.spawn(async move |_cx| {
+            let (worktrees, default_user_rules) =
+                future::join(future::join_all(worktree_tasks), default_user_rules_task).await;
+
+            let worktrees = worktrees
+                .into_iter()
+                .map(|(worktree, _rules_error)| {
+                    // TODO: show error message
+                    // if let Some(rules_error) = rules_error {
+                    //     this.update(cx, |_, cx| cx.emit(rules_error)).ok();
+                    // }
+                    worktree
+                })
+                .collect::<Vec<_>>();
+
+            let default_user_rules = default_user_rules
+                .into_iter()
+                .flat_map(|(contents, prompt_metadata)| match contents {
+                    Ok(contents) => Some(UserRulesContext {
+                        uuid: match prompt_metadata.id {
+                            PromptId::User { uuid } => uuid,
+                            PromptId::EditWorkflow => return None,
+                        },
+                        title: prompt_metadata.title.map(|title| title.to_string()),
+                        contents,
+                    }),
+                    Err(_err) => {
+                        // TODO: show error message
+                        // this.update(cx, |_, cx| {
+                        //     cx.emit(RulesLoadingError {
+                        //         message: format!("{err:?}").into(),
+                        //     });
+                        // })
+                        // .ok();
+                        None
+                    }
+                })
+                .collect::<Vec<_>>();
+
+            ProjectContext::new(worktrees, default_user_rules)
+        })
+    }
+
+    fn load_worktree_info_for_system_prompt(
+        worktree: Entity<Worktree>,
+        project: Entity<Project>,
+        cx: &mut App,
+    ) -> Task<(WorktreeContext, Option<RulesLoadingError>)> {
+        let tree = worktree.read(cx);
+        let root_name = tree.root_name().into();
+        let abs_path = tree.abs_path();
+
+        let mut context = WorktreeContext {
+            root_name,
+            abs_path,
+            rules_file: None,
+        };
+
+        let rules_task = Self::load_worktree_rules_file(worktree, project, cx);
+        let Some(rules_task) = rules_task else {
+            return Task::ready((context, None));
+        };
+
+        cx.spawn(async move |_| {
+            let (rules_file, rules_file_error) = match rules_task.await {
+                Ok(rules_file) => (Some(rules_file), None),
+                Err(err) => (
+                    None,
+                    Some(RulesLoadingError {
+                        message: format!("{err}").into(),
+                    }),
+                ),
+            };
+            context.rules_file = rules_file;
+            (context, rules_file_error)
+        })
+    }
+
+    fn load_worktree_rules_file(
+        worktree: Entity<Worktree>,
+        project: Entity<Project>,
+        cx: &mut App,
+    ) -> Option<Task<Result<RulesFileContext>>> {
+        let worktree = worktree.read(cx);
+        let worktree_id = worktree.id();
+        let selected_rules_file = RULES_FILE_NAMES
+            .into_iter()
+            .filter_map(|name| {
+                worktree
+                    .entry_for_path(name)
+                    .filter(|entry| entry.is_file())
+                    .map(|entry| entry.path.clone())
+            })
+            .next();
+
+        // Note that Cline supports `.clinerules` being a directory, but that is not currently
+        // supported. This doesn't seem to occur often in GitHub repositories.
+        selected_rules_file.map(|path_in_worktree| {
+            let project_path = ProjectPath {
+                worktree_id,
+                path: path_in_worktree.clone(),
+            };
+            let buffer_task =
+                project.update(cx, |project, cx| project.open_buffer(project_path, cx));
+            let rope_task = cx.spawn(async move |cx| {
+                buffer_task.await?.read_with(cx, |buffer, cx| {
+                    let project_entry_id = buffer.entry_id(cx).context("buffer has no file")?;
+                    anyhow::Ok((project_entry_id, buffer.as_rope().clone()))
+                })?
+            });
+            // Build a string from the rope on a background thread.
+            cx.background_spawn(async move {
+                let (project_entry_id, rope) = rope_task.await?;
+                anyhow::Ok(RulesFileContext {
+                    path_in_worktree,
+                    text: rope.to_string().trim().to_string(),
+                    project_entry_id: project_entry_id.to_usize(),
+                })
+            })
+        })
+    }
+
+    fn handle_thread_title_updated(
+        &mut self,
+        thread: Entity<Thread>,
+        _: &TitleUpdated,
+        cx: &mut Context<Self>,
+    ) {
+        let session_id = thread.read(cx).id();
+        let Some(session) = self.sessions.get(session_id) else {
+            return;
+        };
+        let thread = thread.downgrade();
+        let acp_thread = session.acp_thread.clone();
+        cx.spawn(async move |_, cx| {
+            let title = thread.read_with(cx, |thread, _| thread.title())?;
+            let task = acp_thread.update(cx, |acp_thread, cx| acp_thread.set_title(title, cx))?;
+            task.await
+        })
+        .detach_and_log_err(cx);
+    }
+
+    fn handle_thread_token_usage_updated(
+        &mut self,
+        thread: Entity<Thread>,
+        usage: &TokenUsageUpdated,
+        cx: &mut Context<Self>,
+    ) {
+        let Some(session) = self.sessions.get(thread.read(cx).id()) else {
+            return;
+        };
+        session
+            .acp_thread
+            .update(cx, |acp_thread, cx| {
+                acp_thread.update_token_usage(usage.0.clone(), cx);
+            })
+            .ok();
+    }
+
+    fn handle_project_event(
+        &mut self,
+        _project: Entity<Project>,
+        event: &project::Event,
+        _cx: &mut Context<Self>,
+    ) {
+        match event {
+            project::Event::WorktreeAdded(_) | project::Event::WorktreeRemoved(_) => {
+                self.project_context_needs_refresh.send(()).ok();
+            }
+            project::Event::WorktreeUpdatedEntries(_, items) => {
+                if items.iter().any(|(path, _, _)| {
+                    RULES_FILE_NAMES
+                        .iter()
+                        .any(|name| path.as_ref() == Path::new(name))
+                }) {
+                    self.project_context_needs_refresh.send(()).ok();
+                }
+            }
+            _ => {}
+        }
+    }
+
+    fn handle_prompts_updated_event(
+        &mut self,
+        _prompt_store: Entity<PromptStore>,
+        _event: &prompt_store::PromptsUpdatedEvent,
+        _cx: &mut Context<Self>,
+    ) {
+        self.project_context_needs_refresh.send(()).ok();
+    }
+
+    fn handle_models_updated_event(
+        &mut self,
+        _registry: Entity<LanguageModelRegistry>,
+        _event: &language_model::Event,
+        cx: &mut Context<Self>,
+    ) {
+        self.models.refresh_list(cx);
+
+        let registry = LanguageModelRegistry::read_global(cx);
+        let default_model = registry.default_model().map(|m| m.model);
+        let summarization_model = registry.thread_summary_model(cx).map(|m| m.model);
+
+        for session in self.sessions.values_mut() {
+            session.thread.update(cx, |thread, cx| {
+                if thread.model().is_none()
+                    && let Some(model) = default_model.clone()
+                {
+                    thread.set_model(model, cx);
+                    cx.notify();
+                }
+                thread.set_summarization_model(summarization_model.clone(), cx);
+            });
+        }
+    }
+
+    pub fn open_thread(
+        &mut self,
+        id: acp::SessionId,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<Entity<AcpThread>>> {
+        let database_future = ThreadsDatabase::connect(cx);
+        cx.spawn(async move |this, cx| {
+            let database = database_future.await.map_err(|err| anyhow!(err))?;
+            let db_thread = database
+                .load_thread(id.clone())
+                .await?
+                .with_context(|| format!("no thread found with ID: {id:?}"))?;
+
+            let thread = this.update(cx, |this, cx| {
+                let action_log = cx.new(|_cx| ActionLog::new(this.project.clone()));
+                cx.new(|cx| {
+                    Thread::from_db(
+                        id.clone(),
+                        db_thread,
+                        this.project.clone(),
+                        this.project_context.clone(),
+                        this.context_server_registry.clone(),
+                        action_log.clone(),
+                        this.templates.clone(),
+                        cx,
+                    )
+                })
+            })?;
+            let acp_thread =
+                this.update(cx, |this, cx| this.register_session(thread.clone(), cx))?;
+            let events = thread.update(cx, |thread, cx| thread.replay(cx))?;
+            cx.update(|cx| {
+                NativeAgentConnection::handle_thread_events(events, acp_thread.downgrade(), cx)
+            })?
+            .await?;
+            Ok(acp_thread)
+        })
+    }
+
+    pub fn thread_summary(
+        &mut self,
+        id: acp::SessionId,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<SharedString>> {
+        let thread = self.open_thread(id.clone(), cx);
+        cx.spawn(async move |this, cx| {
+            let acp_thread = thread.await?;
+            let result = this
+                .update(cx, |this, cx| {
+                    this.sessions
+                        .get(&id)
+                        .unwrap()
+                        .thread
+                        .update(cx, |thread, cx| thread.summary(cx))
+                })?
+                .await?;
+            drop(acp_thread);
+            Ok(result)
+        })
+    }
+
+    fn save_thread(&mut self, thread: Entity<Thread>, cx: &mut Context<Self>) {
+        if thread.read(cx).is_empty() {
+            return;
+        }
+
+        let database_future = ThreadsDatabase::connect(cx);
+        let (id, db_thread) =
+            thread.update(cx, |thread, cx| (thread.id().clone(), thread.to_db(cx)));
+        let Some(session) = self.sessions.get_mut(&id) else {
+            return;
+        };
+        let history = self.history.clone();
+        session.pending_save = cx.spawn(async move |_, cx| {
+            let Some(database) = database_future.await.map_err(|err| anyhow!(err)).log_err() else {
+                return;
+            };
+            let db_thread = db_thread.await;
+            database.save_thread(id, db_thread).await.log_err();
+            history.update(cx, |history, cx| history.reload(cx)).ok();
+        });
+    }
+}
+
+/// Wrapper struct that implements the AgentConnection trait
+#[derive(Clone)]
+pub struct NativeAgentConnection(pub Entity<NativeAgent>);
+
+impl NativeAgentConnection {
+    pub fn thread(&self, session_id: &acp::SessionId, cx: &App) -> Option<Entity<Thread>> {
+        self.0
+            .read(cx)
+            .sessions
+            .get(session_id)
+            .map(|session| session.thread.clone())
+    }
+
+    fn run_turn(
+        &self,
+        session_id: acp::SessionId,
+        cx: &mut App,
+        f: impl 'static
+        + FnOnce(Entity<Thread>, &mut App) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>>,
+    ) -> Task<Result<acp::PromptResponse>> {
+        let Some((thread, acp_thread)) = self.0.update(cx, |agent, _cx| {
+            agent
+                .sessions
+                .get_mut(&session_id)
+                .map(|s| (s.thread.clone(), s.acp_thread.clone()))
+        }) else {
+            return Task::ready(Err(anyhow!("Session not found")));
+        };
+        log::debug!("Found session for: {}", session_id);
+
+        let response_stream = match f(thread, cx) {
+            Ok(stream) => stream,
+            Err(err) => return Task::ready(Err(err)),
+        };
+        Self::handle_thread_events(response_stream, acp_thread, cx)
+    }
+
+    fn handle_thread_events(
+        mut events: mpsc::UnboundedReceiver<Result<ThreadEvent>>,
+        acp_thread: WeakEntity<AcpThread>,
+        cx: &App,
+    ) -> Task<Result<acp::PromptResponse>> {
+        cx.spawn(async move |cx| {
+            // Handle response stream and forward to session.acp_thread
+            while let Some(result) = events.next().await {
+                match result {
+                    Ok(event) => {
+                        log::trace!("Received completion event: {:?}", event);
+
+                        match event {
+                            ThreadEvent::UserMessage(message) => {
+                                acp_thread.update(cx, |thread, cx| {
+                                    for content in message.content {
+                                        thread.push_user_content_block(
+                                            Some(message.id.clone()),
+                                            content.into(),
+                                            cx,
+                                        );
+                                    }
+                                })?;
+                            }
+                            ThreadEvent::AgentText(text) => {
+                                acp_thread.update(cx, |thread, cx| {
+                                    thread.push_assistant_content_block(
+                                        acp::ContentBlock::Text(acp::TextContent {
+                                            text,
+                                            annotations: None,
+                                        }),
+                                        false,
+                                        cx,
+                                    )
+                                })?;
+                            }
+                            ThreadEvent::AgentThinking(text) => {
+                                acp_thread.update(cx, |thread, cx| {
+                                    thread.push_assistant_content_block(
+                                        acp::ContentBlock::Text(acp::TextContent {
+                                            text,
+                                            annotations: None,
+                                        }),
+                                        true,
+                                        cx,
+                                    )
+                                })?;
+                            }
+                            ThreadEvent::ToolCallAuthorization(ToolCallAuthorization {
+                                tool_call,
+                                options,
+                                response,
+                            }) => {
+                                let recv = acp_thread.update(cx, |thread, cx| {
+                                    thread.request_tool_call_authorization(tool_call, options, cx)
+                                })?;
+                                cx.background_spawn(async move {
+                                    if let Some(recv) = recv.log_err()
+                                        && let Some(option) = recv
+                                            .await
+                                            .context("authorization sender was dropped")
+                                            .log_err()
+                                    {
+                                        response
+                                            .send(option)
+                                            .map(|_| anyhow!("authorization receiver was dropped"))
+                                            .log_err();
+                                    }
+                                })
+                                .detach();
+                            }
+                            ThreadEvent::ToolCall(tool_call) => {
+                                acp_thread.update(cx, |thread, cx| {
+                                    thread.upsert_tool_call(tool_call, cx)
+                                })??;
+                            }
+                            ThreadEvent::ToolCallUpdate(update) => {
+                                acp_thread.update(cx, |thread, cx| {
+                                    thread.update_tool_call(update, cx)
+                                })??;
+                            }
+                            ThreadEvent::Retry(status) => {
+                                acp_thread.update(cx, |thread, cx| {
+                                    thread.update_retry_status(status, cx)
+                                })?;
+                            }
+                            ThreadEvent::Stop(stop_reason) => {
+                                log::debug!("Assistant message complete: {:?}", stop_reason);
+                                return Ok(acp::PromptResponse { stop_reason });
+                            }
+                        }
+                    }
+                    Err(e) => {
+                        log::error!("Error in model response stream: {:?}", e);
+                        return Err(e);
+                    }
+                }
+            }
+
+            log::debug!("Response stream completed");
+            anyhow::Ok(acp::PromptResponse {
+                stop_reason: acp::StopReason::EndTurn,
+            })
+        })
+    }
+}
+
+impl AgentModelSelector for NativeAgentConnection {
+    fn list_models(&self, cx: &mut App) -> Task<Result<acp_thread::AgentModelList>> {
+        log::debug!("NativeAgentConnection::list_models called");
+        let list = self.0.read(cx).models.model_list.clone();
+        Task::ready(if list.is_empty() {
+            Err(anyhow::anyhow!("No models available"))
+        } else {
+            Ok(list)
+        })
+    }
+
+    fn select_model(
+        &self,
+        session_id: acp::SessionId,
+        model_id: acp_thread::AgentModelId,
+        cx: &mut App,
+    ) -> Task<Result<()>> {
+        log::debug!("Setting model for session {}: {}", session_id, model_id);
+        let Some(thread) = self
+            .0
+            .read(cx)
+            .sessions
+            .get(&session_id)
+            .map(|session| session.thread.clone())
+        else {
+            return Task::ready(Err(anyhow!("Session not found")));
+        };
+
+        let Some(model) = self.0.read(cx).models.model_from_id(&model_id) else {
+            return Task::ready(Err(anyhow!("Invalid model ID {}", model_id)));
+        };
+
+        thread.update(cx, |thread, cx| {
+            thread.set_model(model.clone(), cx);
+        });
+
+        update_settings_file::<AgentSettings>(
+            self.0.read(cx).fs.clone(),
+            cx,
+            move |settings, _cx| {
+                settings.set_model(model);
+            },
+        );
+
+        Task::ready(Ok(()))
+    }
+
+    fn selected_model(
+        &self,
+        session_id: &acp::SessionId,
+        cx: &mut App,
+    ) -> Task<Result<acp_thread::AgentModelInfo>> {
+        let session_id = session_id.clone();
+
+        let Some(thread) = self
+            .0
+            .read(cx)
+            .sessions
+            .get(&session_id)
+            .map(|session| session.thread.clone())
+        else {
+            return Task::ready(Err(anyhow!("Session not found")));
+        };
+        let Some(model) = thread.read(cx).model() else {
+            return Task::ready(Err(anyhow!("Model not found")));
+        };
+        let Some(provider) = LanguageModelRegistry::read_global(cx).provider(&model.provider_id())
+        else {
+            return Task::ready(Err(anyhow!("Provider not found")));
+        };
+        Task::ready(Ok(LanguageModels::map_language_model_to_info(
+            model, &provider,
+        )))
+    }
+
+    fn watch(&self, cx: &mut App) -> watch::Receiver<()> {
+        self.0.read(cx).models.watch()
+    }
+}
+
+impl acp_thread::AgentConnection for NativeAgentConnection {
+    fn new_thread(
+        self: Rc<Self>,
+        project: Entity<Project>,
+        cwd: &Path,
+        cx: &mut App,
+    ) -> Task<Result<Entity<acp_thread::AcpThread>>> {
+        let agent = self.0.clone();
+        log::debug!("Creating new thread for project at: {:?}", cwd);
+
+        cx.spawn(async move |cx| {
+            log::debug!("Starting thread creation in async context");
+
+            // Create Thread
+            let thread = agent.update(
+                cx,
+                |agent, cx: &mut gpui::Context<NativeAgent>| -> Result<_> {
+                    // Fetch default model from registry settings
+                    let registry = LanguageModelRegistry::read_global(cx);
+                    // Log available models for debugging
+                    let available_count = registry.available_models(cx).count();
+                    log::debug!("Total available models: {}", available_count);
+
+                    let default_model = registry.default_model().and_then(|default_model| {
+                        agent
+                            .models
+                            .model_from_id(&LanguageModels::model_id(&default_model.model))
+                    });
+                    Ok(cx.new(|cx| {
+                        Thread::new(
+                            project.clone(),
+                            agent.project_context.clone(),
+                            agent.context_server_registry.clone(),
+                            agent.templates.clone(),
+                            default_model,
+                            cx,
+                        )
+                    }))
+                },
+            )??;
+            agent.update(cx, |agent, cx| agent.register_session(thread, cx))
+        })
+    }
+
+    fn auth_methods(&self) -> &[acp::AuthMethod] {
+        &[] // No auth for in-process
+    }
+
+    fn authenticate(&self, _method: acp::AuthMethodId, _cx: &mut App) -> Task<Result<()>> {
+        Task::ready(Ok(()))
+    }
+
+    fn model_selector(&self) -> Option<Rc<dyn AgentModelSelector>> {
+        Some(Rc::new(self.clone()) as Rc<dyn AgentModelSelector>)
+    }
+
+    fn prompt(
+        &self,
+        id: Option<acp_thread::UserMessageId>,
+        params: acp::PromptRequest,
+        cx: &mut App,
+    ) -> Task<Result<acp::PromptResponse>> {
+        let id = id.expect("UserMessageId is required");
+        let session_id = params.session_id.clone();
+        log::info!("Received prompt request for session: {}", session_id);
+        log::debug!("Prompt blocks count: {}", params.prompt.len());
+
+        self.run_turn(session_id, cx, |thread, cx| {
+            let content: Vec<UserMessageContent> = params
+                .prompt
+                .into_iter()
+                .map(Into::into)
+                .collect::<Vec<_>>();
+            log::debug!("Converted prompt to message: {} chars", content.len());
+            log::debug!("Message id: {:?}", id);
+            log::debug!("Message content: {:?}", content);
+
+            thread.update(cx, |thread, cx| thread.send(id, content, cx))
+        })
+    }
+
+    fn resume(
+        &self,
+        session_id: &acp::SessionId,
+        _cx: &App,
+    ) -> Option<Rc<dyn acp_thread::AgentSessionResume>> {
+        Some(Rc::new(NativeAgentSessionResume {
+            connection: self.clone(),
+            session_id: session_id.clone(),
+        }) as _)
+    }
+
+    fn cancel(&self, session_id: &acp::SessionId, cx: &mut App) {
+        log::info!("Cancelling on session: {}", session_id);
+        self.0.update(cx, |agent, cx| {
+            if let Some(agent) = agent.sessions.get(session_id) {
+                agent.thread.update(cx, |thread, cx| thread.cancel(cx));
+            }
+        });
+    }
+
+    fn truncate(
+        &self,
+        session_id: &agent_client_protocol::SessionId,
+        cx: &App,
+    ) -> Option<Rc<dyn acp_thread::AgentSessionTruncate>> {
+        self.0.read_with(cx, |agent, _cx| {
+            agent.sessions.get(session_id).map(|session| {
+                Rc::new(NativeAgentSessionEditor {
+                    thread: session.thread.clone(),
+                    acp_thread: session.acp_thread.clone(),
+                }) as _
+            })
+        })
+    }
+
+    fn set_title(
+        &self,
+        session_id: &acp::SessionId,
+        _cx: &App,
+    ) -> Option<Rc<dyn acp_thread::AgentSessionSetTitle>> {
+        Some(Rc::new(NativeAgentSessionSetTitle {
+            connection: self.clone(),
+            session_id: session_id.clone(),
+        }) as _)
+    }
+
+    fn telemetry(&self) -> Option<Rc<dyn acp_thread::AgentTelemetry>> {
+        Some(Rc::new(self.clone()) as Rc<dyn acp_thread::AgentTelemetry>)
+    }
+
+    fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
+        self
+    }
+}
+
+impl acp_thread::AgentTelemetry for NativeAgentConnection {
+    fn agent_name(&self) -> String {
+        "Zed".into()
+    }
+
+    fn thread_data(
+        &self,
+        session_id: &acp::SessionId,
+        cx: &mut App,
+    ) -> Task<Result<serde_json::Value>> {
+        let Some(session) = self.0.read(cx).sessions.get(session_id) else {
+            return Task::ready(Err(anyhow!("Session not found")));
+        };
+
+        let task = session.thread.read(cx).to_db(cx);
+        cx.background_spawn(async move {
+            serde_json::to_value(task.await).context("Failed to serialize thread")
+        })
+    }
+}
+
+struct NativeAgentSessionEditor {
+    thread: Entity<Thread>,
+    acp_thread: WeakEntity<AcpThread>,
+}
+
+impl acp_thread::AgentSessionTruncate for NativeAgentSessionEditor {
+    fn run(&self, message_id: acp_thread::UserMessageId, cx: &mut App) -> Task<Result<()>> {
+        match self.thread.update(cx, |thread, cx| {
+            thread.truncate(message_id.clone(), cx)?;
+            Ok(thread.latest_token_usage())
+        }) {
+            Ok(usage) => {
+                self.acp_thread
+                    .update(cx, |thread, cx| {
+                        thread.update_token_usage(usage, cx);
+                    })
+                    .ok();
+                Task::ready(Ok(()))
+            }
+            Err(error) => Task::ready(Err(error)),
+        }
+    }
+}
+
+struct NativeAgentSessionResume {
+    connection: NativeAgentConnection,
+    session_id: acp::SessionId,
+}
+
+impl acp_thread::AgentSessionResume for NativeAgentSessionResume {
+    fn run(&self, cx: &mut App) -> Task<Result<acp::PromptResponse>> {
+        self.connection
+            .run_turn(self.session_id.clone(), cx, |thread, cx| {
+                thread.update(cx, |thread, cx| thread.resume(cx))
+            })
+    }
+}
+
+struct NativeAgentSessionSetTitle {
+    connection: NativeAgentConnection,
+    session_id: acp::SessionId,
+}
+
+impl acp_thread::AgentSessionSetTitle for NativeAgentSessionSetTitle {
+    fn run(&self, title: SharedString, cx: &mut App) -> Task<Result<()>> {
+        let Some(session) = self.connection.0.read(cx).sessions.get(&self.session_id) else {
+            return Task::ready(Err(anyhow!("session not found")));
+        };
+        let thread = session.thread.clone();
+        thread.update(cx, |thread, cx| thread.set_title(title, cx));
+        Task::ready(Ok(()))
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::HistoryEntryId;
+
+    use super::*;
+    use acp_thread::{
+        AgentConnection, AgentModelGroupName, AgentModelId, AgentModelInfo, MentionUri,
+    };
+    use fs::FakeFs;
+    use gpui::TestAppContext;
+    use indoc::indoc;
+    use language_model::fake_provider::FakeLanguageModel;
+    use serde_json::json;
+    use settings::SettingsStore;
+    use util::path;
+
+    #[gpui::test]
+    async fn test_maintaining_project_context(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/",
+            json!({
+                "a": {}
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [], cx).await;
+        let context_store = cx.new(|cx| assistant_context::ContextStore::fake(project.clone(), cx));
+        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
+        let agent = NativeAgent::new(
+            project.clone(),
+            history_store,
+            Templates::new(),
+            None,
+            fs.clone(),
+            &mut cx.to_async(),
+        )
+        .await
+        .unwrap();
+        agent.read_with(cx, |agent, cx| {
+            assert_eq!(agent.project_context.read(cx).worktrees, vec![])
+        });
+
+        let worktree = project
+            .update(cx, |project, cx| project.create_worktree("/a", true, cx))
+            .await
+            .unwrap();
+        cx.run_until_parked();
+        agent.read_with(cx, |agent, cx| {
+            assert_eq!(
+                agent.project_context.read(cx).worktrees,
+                vec![WorktreeContext {
+                    root_name: "a".into(),
+                    abs_path: Path::new("/a").into(),
+                    rules_file: None
+                }]
+            )
+        });
+
+        // Creating `/a/.rules` updates the project context.
+        fs.insert_file("/a/.rules", Vec::new()).await;
+        cx.run_until_parked();
+        agent.read_with(cx, |agent, cx| {
+            let rules_entry = worktree.read(cx).entry_for_path(".rules").unwrap();
+            assert_eq!(
+                agent.project_context.read(cx).worktrees,
+                vec![WorktreeContext {
+                    root_name: "a".into(),
+                    abs_path: Path::new("/a").into(),
+                    rules_file: Some(RulesFileContext {
+                        path_in_worktree: Path::new(".rules").into(),
+                        text: "".into(),
+                        project_entry_id: rules_entry.id.to_usize()
+                    })
+                }]
+            )
+        });
+    }
+
+    #[gpui::test]
+    async fn test_listing_models(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree("/", json!({ "a": {}  })).await;
+        let project = Project::test(fs.clone(), [], cx).await;
+        let context_store = cx.new(|cx| assistant_context::ContextStore::fake(project.clone(), cx));
+        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
+        let connection = NativeAgentConnection(
+            NativeAgent::new(
+                project.clone(),
+                history_store,
+                Templates::new(),
+                None,
+                fs.clone(),
+                &mut cx.to_async(),
+            )
+            .await
+            .unwrap(),
+        );
+
+        let models = cx.update(|cx| connection.list_models(cx)).await.unwrap();
+
+        let acp_thread::AgentModelList::Grouped(models) = models else {
+            panic!("Unexpected model group");
+        };
+        assert_eq!(
+            models,
+            IndexMap::from_iter([(
+                AgentModelGroupName("Fake".into()),
+                vec![AgentModelInfo {
+                    id: AgentModelId("fake/fake".into()),
+                    name: "Fake".into(),
+                    icon: Some(ui::IconName::ZedAssistant),
+                }]
+            )])
+        );
+    }
+
+    #[gpui::test]
+    async fn test_model_selection_persists_to_settings(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.executor());
+        fs.create_dir(paths::settings_file().parent().unwrap())
+            .await
+            .unwrap();
+        fs.insert_file(
+            paths::settings_file(),
+            json!({
+                "agent": {
+                    "default_model": {
+                        "provider": "foo",
+                        "model": "bar"
+                    }
+                }
+            })
+            .to_string()
+            .into_bytes(),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [], cx).await;
+
+        let context_store = cx.new(|cx| assistant_context::ContextStore::fake(project.clone(), cx));
+        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
+
+        // Create the agent and connection
+        let agent = NativeAgent::new(
+            project.clone(),
+            history_store,
+            Templates::new(),
+            None,
+            fs.clone(),
+            &mut cx.to_async(),
+        )
+        .await
+        .unwrap();
+        let connection = NativeAgentConnection(agent.clone());
+
+        // Create a thread/session
+        let acp_thread = cx
+            .update(|cx| {
+                Rc::new(connection.clone()).new_thread(project.clone(), Path::new("/a"), cx)
+            })
+            .await
+            .unwrap();
+
+        let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
+
+        // Select a model
+        let model_id = AgentModelId("fake/fake".into());
+        cx.update(|cx| connection.select_model(session_id.clone(), model_id.clone(), cx))
+            .await
+            .unwrap();
+
+        // Verify the thread has the selected model
+        agent.read_with(cx, |agent, _| {
+            let session = agent.sessions.get(&session_id).unwrap();
+            session.thread.read_with(cx, |thread, _| {
+                assert_eq!(thread.model().unwrap().id().0, "fake");
+            });
+        });
+
+        cx.run_until_parked();
+
+        // Verify settings file was updated
+        let settings_content = fs.load(paths::settings_file()).await.unwrap();
+        let settings_json: serde_json::Value = serde_json::from_str(&settings_content).unwrap();
+
+        // Check that the agent settings contain the selected model
+        assert_eq!(
+            settings_json["agent"]["default_model"]["model"],
+            json!("fake")
+        );
+        assert_eq!(
+            settings_json["agent"]["default_model"]["provider"],
+            json!("fake")
+        );
+    }
+
+    #[gpui::test]
+    #[cfg_attr(target_os = "windows", ignore)] // TODO: Fix this test on Windows
+    async fn test_save_load_thread(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/",
+            json!({
+                "a": {
+                    "b.md": "Lorem"
+                }
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
+        let context_store = cx.new(|cx| assistant_context::ContextStore::fake(project.clone(), cx));
+        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
+        let agent = NativeAgent::new(
+            project.clone(),
+            history_store.clone(),
+            Templates::new(),
+            None,
+            fs.clone(),
+            &mut cx.to_async(),
+        )
+        .await
+        .unwrap();
+        let connection = Rc::new(NativeAgentConnection(agent.clone()));
+
+        let acp_thread = cx
+            .update(|cx| {
+                connection
+                    .clone()
+                    .new_thread(project.clone(), Path::new(""), cx)
+            })
+            .await
+            .unwrap();
+        let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
+        let thread = agent.read_with(cx, |agent, _| {
+            agent.sessions.get(&session_id).unwrap().thread.clone()
+        });
+
+        // Ensure empty threads are not saved, even if they get mutated.
+        let model = Arc::new(FakeLanguageModel::default());
+        let summary_model = Arc::new(FakeLanguageModel::default());
+        thread.update(cx, |thread, cx| {
+            thread.set_model(model.clone(), cx);
+            thread.set_summarization_model(Some(summary_model.clone()), cx);
+        });
+        cx.run_until_parked();
+        assert_eq!(history_entries(&history_store, cx), vec![]);
+
+        let send = acp_thread.update(cx, |thread, cx| {
+            thread.send(
+                vec![
+                    "What does ".into(),
+                    acp::ContentBlock::ResourceLink(acp::ResourceLink {
+                        name: "b.md".into(),
+                        uri: MentionUri::File {
+                            abs_path: path!("/a/b.md").into(),
+                        }
+                        .to_uri()
+                        .to_string(),
+                        annotations: None,
+                        description: None,
+                        mime_type: None,
+                        size: None,
+                        title: None,
+                    }),
+                    " mean?".into(),
+                ],
+                cx,
+            )
+        });
+        let send = cx.foreground_executor().spawn(send);
+        cx.run_until_parked();
+
+        model.send_last_completion_stream_text_chunk("Lorem.");
+        model.end_last_completion_stream();
+        cx.run_until_parked();
+        summary_model.send_last_completion_stream_text_chunk("Explaining /a/b.md");
+        summary_model.end_last_completion_stream();
+
+        send.await.unwrap();
+        acp_thread.read_with(cx, |thread, cx| {
+            assert_eq!(
+                thread.to_markdown(cx),
+                indoc! {"
+                    ## User
+
+                    What does [@b.md](file:///a/b.md) mean?
+
+                    ## Assistant
+
+                    Lorem.
+
+                "}
+            )
+        });
+
+        cx.run_until_parked();
+
+        // Drop the ACP thread, which should cause the session to be dropped as well.
+        cx.update(|_| {
+            drop(thread);
+            drop(acp_thread);
+        });
+        agent.read_with(cx, |agent, _| {
+            assert_eq!(agent.sessions.keys().cloned().collect::<Vec<_>>(), []);
+        });
+
+        // Ensure the thread can be reloaded from disk.
+        assert_eq!(
+            history_entries(&history_store, cx),
+            vec![(
+                HistoryEntryId::AcpThread(session_id.clone()),
+                "Explaining /a/b.md".into()
+            )]
+        );
+        let acp_thread = agent
+            .update(cx, |agent, cx| agent.open_thread(session_id.clone(), cx))
+            .await
+            .unwrap();
+        acp_thread.read_with(cx, |thread, cx| {
+            assert_eq!(
+                thread.to_markdown(cx),
+                indoc! {"
+                    ## User
+
+                    What does [@b.md](file:///a/b.md) mean?
+
+                    ## Assistant
+
+                    Lorem.
+
+                "}
+            )
+        });
+    }
+
+    fn history_entries(
+        history: &Entity<HistoryStore>,
+        cx: &mut TestAppContext,
+    ) -> Vec<(HistoryEntryId, String)> {
+        history.read_with(cx, |history, _| {
+            history
+                .entries()
+                .map(|e| (e.id(), e.title().to_string()))
+                .collect::<Vec<_>>()
+        })
+    }
+
+    fn init_test(cx: &mut TestAppContext) {
+        env_logger::try_init().ok();
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            Project::init_settings(cx);
+            agent_settings::init(cx);
+            language::init(cx);
+            LanguageModelRegistry::test(cx);
+        });
+    }
+}
diff --git a/crates/agent2/src/agent2.rs b/crates/agent2/src/agent2.rs
new file mode 100644
index 0000000000..1fc9c1cb95
--- /dev/null
+++ b/crates/agent2/src/agent2.rs
@@ -0,0 +1,19 @@
+mod agent;
+mod db;
+mod history_store;
+mod native_agent_server;
+mod templates;
+mod thread;
+mod tool_schema;
+mod tools;
+
+#[cfg(test)]
+mod tests;
+
+pub use agent::*;
+pub use db::*;
+pub use history_store::*;
+pub use native_agent_server::NativeAgentServer;
+pub use templates::*;
+pub use thread::*;
+pub use tools::*;
diff --git a/crates/agent2/src/db.rs b/crates/agent2/src/db.rs
new file mode 100644
index 0000000000..e7d31c0c7a
--- /dev/null
+++ b/crates/agent2/src/db.rs
@@ -0,0 +1,499 @@
+use crate::{AgentMessage, AgentMessageContent, UserMessage, UserMessageContent};
+use acp_thread::UserMessageId;
+use agent::{thread::DetailedSummaryState, thread_store};
+use agent_client_protocol as acp;
+use agent_settings::{AgentProfileId, CompletionMode};
+use anyhow::{Result, anyhow};
+use chrono::{DateTime, Utc};
+use collections::{HashMap, IndexMap};
+use futures::{FutureExt, future::Shared};
+use gpui::{BackgroundExecutor, Global, Task};
+use indoc::indoc;
+use parking_lot::Mutex;
+use serde::{Deserialize, Serialize};
+use sqlez::{
+    bindable::{Bind, Column},
+    connection::Connection,
+    statement::Statement,
+};
+use std::sync::Arc;
+use ui::{App, SharedString};
+
+pub type DbMessage = crate::Message;
+pub type DbSummary = DetailedSummaryState;
+pub type DbLanguageModel = thread_store::SerializedLanguageModel;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DbThreadMetadata {
+    pub id: acp::SessionId,
+    #[serde(alias = "summary")]
+    pub title: SharedString,
+    pub updated_at: DateTime<Utc>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct DbThread {
+    pub title: SharedString,
+    pub messages: Vec<DbMessage>,
+    pub updated_at: DateTime<Utc>,
+    #[serde(default)]
+    pub detailed_summary: Option<SharedString>,
+    #[serde(default)]
+    pub initial_project_snapshot: Option<Arc<agent::thread::ProjectSnapshot>>,
+    #[serde(default)]
+    pub cumulative_token_usage: language_model::TokenUsage,
+    #[serde(default)]
+    pub request_token_usage: HashMap<acp_thread::UserMessageId, language_model::TokenUsage>,
+    #[serde(default)]
+    pub model: Option<DbLanguageModel>,
+    #[serde(default)]
+    pub completion_mode: Option<CompletionMode>,
+    #[serde(default)]
+    pub profile: Option<AgentProfileId>,
+}
+
+impl DbThread {
+    pub const VERSION: &'static str = "0.3.0";
+
+    pub fn from_json(json: &[u8]) -> Result<Self> {
+        let saved_thread_json = serde_json::from_slice::<serde_json::Value>(json)?;
+        match saved_thread_json.get("version") {
+            Some(serde_json::Value::String(version)) => match version.as_str() {
+                Self::VERSION => Ok(serde_json::from_value(saved_thread_json)?),
+                _ => Self::upgrade_from_agent_1(agent::SerializedThread::from_json(json)?),
+            },
+            _ => Self::upgrade_from_agent_1(agent::SerializedThread::from_json(json)?),
+        }
+    }
+
+    fn upgrade_from_agent_1(thread: agent::SerializedThread) -> Result<Self> {
+        let mut messages = Vec::new();
+        let mut request_token_usage = HashMap::default();
+
+        let mut last_user_message_id = None;
+        for (ix, msg) in thread.messages.into_iter().enumerate() {
+            let message = match msg.role {
+                language_model::Role::User => {
+                    let mut content = Vec::new();
+
+                    // Convert segments to content
+                    for segment in msg.segments {
+                        match segment {
+                            thread_store::SerializedMessageSegment::Text { text } => {
+                                content.push(UserMessageContent::Text(text));
+                            }
+                            thread_store::SerializedMessageSegment::Thinking { text, .. } => {
+                                // User messages don't have thinking segments, but handle gracefully
+                                content.push(UserMessageContent::Text(text));
+                            }
+                            thread_store::SerializedMessageSegment::RedactedThinking { .. } => {
+                                // User messages don't have redacted thinking, skip.
+                            }
+                        }
+                    }
+
+                    // If no content was added, add context as text if available
+                    if content.is_empty() && !msg.context.is_empty() {
+                        content.push(UserMessageContent::Text(msg.context));
+                    }
+
+                    let id = UserMessageId::new();
+                    last_user_message_id = Some(id.clone());
+
+                    crate::Message::User(UserMessage {
+                        // MessageId from old format can't be meaningfully converted, so generate a new one
+                        id,
+                        content,
+                    })
+                }
+                language_model::Role::Assistant => {
+                    let mut content = Vec::new();
+
+                    // Convert segments to content
+                    for segment in msg.segments {
+                        match segment {
+                            thread_store::SerializedMessageSegment::Text { text } => {
+                                content.push(AgentMessageContent::Text(text));
+                            }
+                            thread_store::SerializedMessageSegment::Thinking {
+                                text,
+                                signature,
+                            } => {
+                                content.push(AgentMessageContent::Thinking { text, signature });
+                            }
+                            thread_store::SerializedMessageSegment::RedactedThinking { data } => {
+                                content.push(AgentMessageContent::RedactedThinking(data));
+                            }
+                        }
+                    }
+
+                    // Convert tool uses
+                    let mut tool_names_by_id = HashMap::default();
+                    for tool_use in msg.tool_uses {
+                        tool_names_by_id.insert(tool_use.id.clone(), tool_use.name.clone());
+                        content.push(AgentMessageContent::ToolUse(
+                            language_model::LanguageModelToolUse {
+                                id: tool_use.id,
+                                name: tool_use.name.into(),
+                                raw_input: serde_json::to_string(&tool_use.input)
+                                    .unwrap_or_default(),
+                                input: tool_use.input,
+                                is_input_complete: true,
+                            },
+                        ));
+                    }
+
+                    // Convert tool results
+                    let mut tool_results = IndexMap::default();
+                    for tool_result in msg.tool_results {
+                        let name = tool_names_by_id
+                            .remove(&tool_result.tool_use_id)
+                            .unwrap_or_else(|| SharedString::from("unknown"));
+                        tool_results.insert(
+                            tool_result.tool_use_id.clone(),
+                            language_model::LanguageModelToolResult {
+                                tool_use_id: tool_result.tool_use_id,
+                                tool_name: name.into(),
+                                is_error: tool_result.is_error,
+                                content: tool_result.content,
+                                output: tool_result.output,
+                            },
+                        );
+                    }
+
+                    if let Some(last_user_message_id) = &last_user_message_id
+                        && let Some(token_usage) = thread.request_token_usage.get(ix).copied()
+                    {
+                        request_token_usage.insert(last_user_message_id.clone(), token_usage);
+                    }
+
+                    crate::Message::Agent(AgentMessage {
+                        content,
+                        tool_results,
+                    })
+                }
+                language_model::Role::System => {
+                    // Skip system messages as they're not supported in the new format
+                    continue;
+                }
+            };
+
+            messages.push(message);
+        }
+
+        Ok(Self {
+            title: thread.summary,
+            messages,
+            updated_at: thread.updated_at,
+            detailed_summary: match thread.detailed_summary_state {
+                DetailedSummaryState::NotGenerated | DetailedSummaryState::Generating { .. } => {
+                    None
+                }
+                DetailedSummaryState::Generated { text, .. } => Some(text),
+            },
+            initial_project_snapshot: thread.initial_project_snapshot,
+            cumulative_token_usage: thread.cumulative_token_usage,
+            request_token_usage,
+            model: thread.model,
+            completion_mode: thread.completion_mode,
+            profile: thread.profile,
+        })
+    }
+}
+
+pub static ZED_STATELESS: std::sync::LazyLock<bool> =
+    std::sync::LazyLock::new(|| std::env::var("ZED_STATELESS").is_ok_and(|v| !v.is_empty()));
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub enum DataType {
+    #[serde(rename = "json")]
+    Json,
+    #[serde(rename = "zstd")]
+    Zstd,
+}
+
+impl Bind for DataType {
+    fn bind(&self, statement: &Statement, start_index: i32) -> Result<i32> {
+        let value = match self {
+            DataType::Json => "json",
+            DataType::Zstd => "zstd",
+        };
+        value.bind(statement, start_index)
+    }
+}
+
+impl Column for DataType {
+    fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
+        let (value, next_index) = String::column(statement, start_index)?;
+        let data_type = match value.as_str() {
+            "json" => DataType::Json,
+            "zstd" => DataType::Zstd,
+            _ => anyhow::bail!("Unknown data type: {}", value),
+        };
+        Ok((data_type, next_index))
+    }
+}
+
+pub(crate) struct ThreadsDatabase {
+    executor: BackgroundExecutor,
+    connection: Arc<Mutex<Connection>>,
+}
+
+struct GlobalThreadsDatabase(Shared<Task<Result<Arc<ThreadsDatabase>, Arc<anyhow::Error>>>>);
+
+impl Global for GlobalThreadsDatabase {}
+
+impl ThreadsDatabase {
+    pub fn connect(cx: &mut App) -> Shared<Task<Result<Arc<ThreadsDatabase>, Arc<anyhow::Error>>>> {
+        if cx.has_global::<GlobalThreadsDatabase>() {
+            return cx.global::<GlobalThreadsDatabase>().0.clone();
+        }
+        let executor = cx.background_executor().clone();
+        let task = executor
+            .spawn({
+                let executor = executor.clone();
+                async move {
+                    match ThreadsDatabase::new(executor) {
+                        Ok(db) => Ok(Arc::new(db)),
+                        Err(err) => Err(Arc::new(err)),
+                    }
+                }
+            })
+            .shared();
+
+        cx.set_global(GlobalThreadsDatabase(task.clone()));
+        task
+    }
+
+    pub fn new(executor: BackgroundExecutor) -> Result<Self> {
+        let connection = if *ZED_STATELESS {
+            Connection::open_memory(Some("THREAD_FALLBACK_DB"))
+        } else if cfg!(any(feature = "test-support", test)) {
+            // rust stores the name of the test on the current thread.
+            // We use this to automatically create a database that will
+            // be shared within the test (for the test_retrieve_old_thread)
+            // but not with concurrent tests.
+            let thread = std::thread::current();
+            let test_name = thread.name();
+            Connection::open_memory(Some(&format!(
+                "THREAD_FALLBACK_{}",
+                test_name.unwrap_or_default()
+            )))
+        } else {
+            let threads_dir = paths::data_dir().join("threads");
+            std::fs::create_dir_all(&threads_dir)?;
+            let sqlite_path = threads_dir.join("threads.db");
+            Connection::open_file(&sqlite_path.to_string_lossy())
+        };
+
+        connection.exec(indoc! {"
+            CREATE TABLE IF NOT EXISTS threads (
+                id TEXT PRIMARY KEY,
+                summary TEXT NOT NULL,
+                updated_at TEXT NOT NULL,
+                data_type TEXT NOT NULL,
+                data BLOB NOT NULL
+            )
+        "})?()
+        .map_err(|e| anyhow!("Failed to create threads table: {}", e))?;
+
+        let db = Self {
+            executor,
+            connection: Arc::new(Mutex::new(connection)),
+        };
+
+        Ok(db)
+    }
+
+    fn save_thread_sync(
+        connection: &Arc<Mutex<Connection>>,
+        id: acp::SessionId,
+        thread: DbThread,
+    ) -> Result<()> {
+        const COMPRESSION_LEVEL: i32 = 3;
+
+        #[derive(Serialize)]
+        struct SerializedThread {
+            #[serde(flatten)]
+            thread: DbThread,
+            version: &'static str,
+        }
+
+        let title = thread.title.to_string();
+        let updated_at = thread.updated_at.to_rfc3339();
+        let json_data = serde_json::to_string(&SerializedThread {
+            thread,
+            version: DbThread::VERSION,
+        })?;
+
+        let connection = connection.lock();
+
+        let compressed = zstd::encode_all(json_data.as_bytes(), COMPRESSION_LEVEL)?;
+        let data_type = DataType::Zstd;
+        let data = compressed;
+
+        let mut insert = connection.exec_bound::<(Arc<str>, String, String, DataType, Vec<u8>)>(indoc! {"
+            INSERT OR REPLACE INTO threads (id, summary, updated_at, data_type, data) VALUES (?, ?, ?, ?, ?)
+        "})?;
+
+        insert((id.0, title, updated_at, data_type, data))?;
+
+        Ok(())
+    }
+
+    pub fn list_threads(&self) -> Task<Result<Vec<DbThreadMetadata>>> {
+        let connection = self.connection.clone();
+
+        self.executor.spawn(async move {
+            let connection = connection.lock();
+
+            let mut select =
+                connection.select_bound::<(), (Arc<str>, String, String)>(indoc! {"
+                SELECT id, summary, updated_at FROM threads ORDER BY updated_at DESC
+            "})?;
+
+            let rows = select(())?;
+            let mut threads = Vec::new();
+
+            for (id, summary, updated_at) in rows {
+                threads.push(DbThreadMetadata {
+                    id: acp::SessionId(id),
+                    title: summary.into(),
+                    updated_at: DateTime::parse_from_rfc3339(&updated_at)?.with_timezone(&Utc),
+                });
+            }
+
+            Ok(threads)
+        })
+    }
+
+    pub fn load_thread(&self, id: acp::SessionId) -> Task<Result<Option<DbThread>>> {
+        let connection = self.connection.clone();
+
+        self.executor.spawn(async move {
+            let connection = connection.lock();
+            let mut select = connection.select_bound::<Arc<str>, (DataType, Vec<u8>)>(indoc! {"
+                SELECT data_type, data FROM threads WHERE id = ? LIMIT 1
+            "})?;
+
+            let rows = select(id.0)?;
+            if let Some((data_type, data)) = rows.into_iter().next() {
+                let json_data = match data_type {
+                    DataType::Zstd => {
+                        let decompressed = zstd::decode_all(&data[..])?;
+                        String::from_utf8(decompressed)?
+                    }
+                    DataType::Json => String::from_utf8(data)?,
+                };
+                let thread = DbThread::from_json(json_data.as_bytes())?;
+                Ok(Some(thread))
+            } else {
+                Ok(None)
+            }
+        })
+    }
+
+    pub fn save_thread(&self, id: acp::SessionId, thread: DbThread) -> Task<Result<()>> {
+        let connection = self.connection.clone();
+
+        self.executor
+            .spawn(async move { Self::save_thread_sync(&connection, id, thread) })
+    }
+
+    pub fn delete_thread(&self, id: acp::SessionId) -> Task<Result<()>> {
+        let connection = self.connection.clone();
+
+        self.executor.spawn(async move {
+            let connection = connection.lock();
+
+            let mut delete = connection.exec_bound::<Arc<str>>(indoc! {"
+                DELETE FROM threads WHERE id = ?
+            "})?;
+
+            delete(id.0)?;
+
+            Ok(())
+        })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+    use agent::MessageSegment;
+    use agent::context::LoadedContext;
+    use client::Client;
+    use fs::FakeFs;
+    use gpui::AppContext;
+    use gpui::TestAppContext;
+    use http_client::FakeHttpClient;
+    use language_model::Role;
+    use project::Project;
+    use settings::SettingsStore;
+
+    fn init_test(cx: &mut TestAppContext) {
+        env_logger::try_init().ok();
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            Project::init_settings(cx);
+            language::init(cx);
+
+            let http_client = FakeHttpClient::with_404_response();
+            let clock = Arc::new(clock::FakeSystemClock::new());
+            let client = Client::new(clock, http_client, cx);
+            agent::init(cx);
+            agent_settings::init(cx);
+            language_model::init(client, cx);
+        });
+    }
+
+    #[gpui::test]
+    async fn test_retrieving_old_thread(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.executor());
+        let project = Project::test(fs, [], cx).await;
+
+        // Save a thread using the old agent.
+        let thread_store = cx.new(|cx| agent::ThreadStore::fake(project, cx));
+        let thread = thread_store.update(cx, |thread_store, cx| thread_store.create_thread(cx));
+        thread.update(cx, |thread, cx| {
+            thread.insert_message(
+                Role::User,
+                vec![MessageSegment::Text("Hey!".into())],
+                LoadedContext::default(),
+                vec![],
+                false,
+                cx,
+            );
+            thread.insert_message(
+                Role::Assistant,
+                vec![MessageSegment::Text("How're you doing?".into())],
+                LoadedContext::default(),
+                vec![],
+                false,
+                cx,
+            )
+        });
+        thread_store
+            .update(cx, |thread_store, cx| thread_store.save_thread(&thread, cx))
+            .await
+            .unwrap();
+
+        // Open that same thread using the new agent.
+        let db = cx.update(ThreadsDatabase::connect).await.unwrap();
+        let threads = db.list_threads().await.unwrap();
+        assert_eq!(threads.len(), 1);
+        let thread = db
+            .load_thread(threads[0].id.clone())
+            .await
+            .unwrap()
+            .unwrap();
+        assert_eq!(thread.messages[0].to_markdown(), "## User\n\nHey!\n");
+        assert_eq!(
+            thread.messages[1].to_markdown(),
+            "## Assistant\n\nHow're you doing?\n"
+        );
+    }
+}
diff --git a/crates/agent2/src/history_store.rs b/crates/agent2/src/history_store.rs
new file mode 100644
index 0000000000..c656456e01
--- /dev/null
+++ b/crates/agent2/src/history_store.rs
@@ -0,0 +1,357 @@
+use crate::{DbThreadMetadata, ThreadsDatabase};
+use acp_thread::MentionUri;
+use agent_client_protocol as acp;
+use anyhow::{Context as _, Result, anyhow};
+use assistant_context::{AssistantContext, SavedContextMetadata};
+use chrono::{DateTime, Utc};
+use db::kvp::KEY_VALUE_STORE;
+use gpui::{App, AsyncApp, Entity, SharedString, Task, prelude::*};
+use itertools::Itertools;
+use paths::contexts_dir;
+use serde::{Deserialize, Serialize};
+use std::{collections::VecDeque, path::Path, sync::Arc, time::Duration};
+use ui::ElementId;
+use util::ResultExt as _;
+
+const MAX_RECENTLY_OPENED_ENTRIES: usize = 6;
+const RECENTLY_OPENED_THREADS_KEY: &str = "recent-agent-threads";
+const SAVE_RECENTLY_OPENED_ENTRIES_DEBOUNCE: Duration = Duration::from_millis(50);
+
+const DEFAULT_TITLE: &SharedString = &SharedString::new_static("New Thread");
+
+#[derive(Clone, Debug)]
+pub enum HistoryEntry {
+    AcpThread(DbThreadMetadata),
+    TextThread(SavedContextMetadata),
+}
+
+impl HistoryEntry {
+    pub fn updated_at(&self) -> DateTime<Utc> {
+        match self {
+            HistoryEntry::AcpThread(thread) => thread.updated_at,
+            HistoryEntry::TextThread(context) => context.mtime.to_utc(),
+        }
+    }
+
+    pub fn id(&self) -> HistoryEntryId {
+        match self {
+            HistoryEntry::AcpThread(thread) => HistoryEntryId::AcpThread(thread.id.clone()),
+            HistoryEntry::TextThread(context) => HistoryEntryId::TextThread(context.path.clone()),
+        }
+    }
+
+    pub fn mention_uri(&self) -> MentionUri {
+        match self {
+            HistoryEntry::AcpThread(thread) => MentionUri::Thread {
+                id: thread.id.clone(),
+                name: thread.title.to_string(),
+            },
+            HistoryEntry::TextThread(context) => MentionUri::TextThread {
+                path: context.path.as_ref().to_owned(),
+                name: context.title.to_string(),
+            },
+        }
+    }
+
+    pub fn title(&self) -> &SharedString {
+        match self {
+            HistoryEntry::AcpThread(thread) if thread.title.is_empty() => DEFAULT_TITLE,
+            HistoryEntry::AcpThread(thread) => &thread.title,
+            HistoryEntry::TextThread(context) => &context.title,
+        }
+    }
+}
+
+/// Generic identifier for a history entry.
+#[derive(Clone, PartialEq, Eq, Debug, Hash)]
+pub enum HistoryEntryId {
+    AcpThread(acp::SessionId),
+    TextThread(Arc<Path>),
+}
+
+impl Into<ElementId> for HistoryEntryId {
+    fn into(self) -> ElementId {
+        match self {
+            HistoryEntryId::AcpThread(session_id) => ElementId::Name(session_id.0.into()),
+            HistoryEntryId::TextThread(path) => ElementId::Path(path),
+        }
+    }
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+enum SerializedRecentOpen {
+    AcpThread(String),
+    TextThread(String),
+}
+
+pub struct HistoryStore {
+    threads: Vec<DbThreadMetadata>,
+    entries: Vec<HistoryEntry>,
+    context_store: Entity<assistant_context::ContextStore>,
+    recently_opened_entries: VecDeque<HistoryEntryId>,
+    _subscriptions: Vec<gpui::Subscription>,
+    _save_recently_opened_entries_task: Task<()>,
+}
+
+impl HistoryStore {
+    pub fn new(
+        context_store: Entity<assistant_context::ContextStore>,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let subscriptions = vec![cx.observe(&context_store, |this, _, cx| this.update_entries(cx))];
+
+        cx.spawn(async move |this, cx| {
+            let entries = Self::load_recently_opened_entries(cx).await;
+            this.update(cx, |this, cx| {
+                if let Some(entries) = entries.log_err() {
+                    this.recently_opened_entries = entries;
+                }
+
+                this.reload(cx);
+            })
+            .ok();
+        })
+        .detach();
+
+        Self {
+            context_store,
+            recently_opened_entries: VecDeque::default(),
+            threads: Vec::default(),
+            entries: Vec::default(),
+            _subscriptions: subscriptions,
+            _save_recently_opened_entries_task: Task::ready(()),
+        }
+    }
+
+    pub fn thread_from_session_id(&self, session_id: &acp::SessionId) -> Option<&DbThreadMetadata> {
+        self.threads.iter().find(|thread| &thread.id == session_id)
+    }
+
+    pub fn delete_thread(
+        &mut self,
+        id: acp::SessionId,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<()>> {
+        let database_future = ThreadsDatabase::connect(cx);
+        cx.spawn(async move |this, cx| {
+            let database = database_future.await.map_err(|err| anyhow!(err))?;
+            database.delete_thread(id.clone()).await?;
+            this.update(cx, |this, cx| this.reload(cx))
+        })
+    }
+
+    pub fn delete_text_thread(
+        &mut self,
+        path: Arc<Path>,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<()>> {
+        self.context_store.update(cx, |context_store, cx| {
+            context_store.delete_local_context(path, cx)
+        })
+    }
+
+    pub fn load_text_thread(
+        &self,
+        path: Arc<Path>,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<Entity<AssistantContext>>> {
+        self.context_store.update(cx, |context_store, cx| {
+            context_store.open_local_context(path, cx)
+        })
+    }
+
+    pub fn reload(&self, cx: &mut Context<Self>) {
+        let database_future = ThreadsDatabase::connect(cx);
+        cx.spawn(async move |this, cx| {
+            let threads = database_future
+                .await
+                .map_err(|err| anyhow!(err))?
+                .list_threads()
+                .await?;
+
+            this.update(cx, |this, cx| {
+                if this.recently_opened_entries.len() < MAX_RECENTLY_OPENED_ENTRIES {
+                    for thread in threads
+                        .iter()
+                        .take(MAX_RECENTLY_OPENED_ENTRIES - this.recently_opened_entries.len())
+                        .rev()
+                    {
+                        this.push_recently_opened_entry(
+                            HistoryEntryId::AcpThread(thread.id.clone()),
+                            cx,
+                        )
+                    }
+                }
+                this.threads = threads;
+                this.update_entries(cx);
+            })
+        })
+        .detach_and_log_err(cx);
+    }
+
+    fn update_entries(&mut self, cx: &mut Context<Self>) {
+        #[cfg(debug_assertions)]
+        if std::env::var("ZED_SIMULATE_NO_THREAD_HISTORY").is_ok() {
+            return;
+        }
+        let mut history_entries = Vec::new();
+        history_entries.extend(self.threads.iter().cloned().map(HistoryEntry::AcpThread));
+        history_entries.extend(
+            self.context_store
+                .read(cx)
+                .unordered_contexts()
+                .cloned()
+                .map(HistoryEntry::TextThread),
+        );
+
+        history_entries.sort_unstable_by_key(|entry| std::cmp::Reverse(entry.updated_at()));
+        self.entries = history_entries;
+        cx.notify()
+    }
+
+    pub fn is_empty(&self, _cx: &App) -> bool {
+        self.entries.is_empty()
+    }
+
+    pub fn recently_opened_entries(&self, cx: &App) -> Vec<HistoryEntry> {
+        #[cfg(debug_assertions)]
+        if std::env::var("ZED_SIMULATE_NO_THREAD_HISTORY").is_ok() {
+            return Vec::new();
+        }
+
+        let thread_entries = self.threads.iter().flat_map(|thread| {
+            self.recently_opened_entries
+                .iter()
+                .enumerate()
+                .flat_map(|(index, entry)| match entry {
+                    HistoryEntryId::AcpThread(id) if &thread.id == id => {
+                        Some((index, HistoryEntry::AcpThread(thread.clone())))
+                    }
+                    _ => None,
+                })
+        });
+
+        let context_entries =
+            self.context_store
+                .read(cx)
+                .unordered_contexts()
+                .flat_map(|context| {
+                    self.recently_opened_entries
+                        .iter()
+                        .enumerate()
+                        .flat_map(|(index, entry)| match entry {
+                            HistoryEntryId::TextThread(path) if &context.path == path => {
+                                Some((index, HistoryEntry::TextThread(context.clone())))
+                            }
+                            _ => None,
+                        })
+                });
+
+        thread_entries
+            .chain(context_entries)
+            // optimization to halt iteration early
+            .take(self.recently_opened_entries.len())
+            .sorted_unstable_by_key(|(index, _)| *index)
+            .map(|(_, entry)| entry)
+            .collect()
+    }
+
+    fn save_recently_opened_entries(&mut self, cx: &mut Context<Self>) {
+        let serialized_entries = self
+            .recently_opened_entries
+            .iter()
+            .filter_map(|entry| match entry {
+                HistoryEntryId::TextThread(path) => path.file_name().map(|file| {
+                    SerializedRecentOpen::TextThread(file.to_string_lossy().to_string())
+                }),
+                HistoryEntryId::AcpThread(id) => {
+                    Some(SerializedRecentOpen::AcpThread(id.to_string()))
+                }
+            })
+            .collect::<Vec<_>>();
+
+        self._save_recently_opened_entries_task = cx.spawn(async move |_, cx| {
+            let content = serde_json::to_string(&serialized_entries).unwrap();
+            cx.background_executor()
+                .timer(SAVE_RECENTLY_OPENED_ENTRIES_DEBOUNCE)
+                .await;
+
+            if cfg!(any(feature = "test-support", test)) {
+                return;
+            }
+            KEY_VALUE_STORE
+                .write_kvp(RECENTLY_OPENED_THREADS_KEY.to_owned(), content)
+                .await
+                .log_err();
+        });
+    }
+
+    fn load_recently_opened_entries(cx: &AsyncApp) -> Task<Result<VecDeque<HistoryEntryId>>> {
+        cx.background_spawn(async move {
+            if cfg!(any(feature = "test-support", test)) {
+                anyhow::bail!("history store does not persist in tests");
+            }
+            let json = KEY_VALUE_STORE
+                .read_kvp(RECENTLY_OPENED_THREADS_KEY)?
+                .unwrap_or("[]".to_string());
+            let entries = serde_json::from_str::<Vec<SerializedRecentOpen>>(&json)
+                .context("deserializing persisted agent panel navigation history")?
+                .into_iter()
+                .take(MAX_RECENTLY_OPENED_ENTRIES)
+                .flat_map(|entry| match entry {
+                    SerializedRecentOpen::AcpThread(id) => Some(HistoryEntryId::AcpThread(
+                        acp::SessionId(id.as_str().into()),
+                    )),
+                    SerializedRecentOpen::TextThread(file_name) => Some(
+                        HistoryEntryId::TextThread(contexts_dir().join(file_name).into()),
+                    ),
+                })
+                .collect();
+            Ok(entries)
+        })
+    }
+
+    pub fn push_recently_opened_entry(&mut self, entry: HistoryEntryId, cx: &mut Context<Self>) {
+        self.recently_opened_entries
+            .retain(|old_entry| old_entry != &entry);
+        self.recently_opened_entries.push_front(entry);
+        self.recently_opened_entries
+            .truncate(MAX_RECENTLY_OPENED_ENTRIES);
+        self.save_recently_opened_entries(cx);
+    }
+
+    pub fn remove_recently_opened_thread(&mut self, id: acp::SessionId, cx: &mut Context<Self>) {
+        self.recently_opened_entries.retain(
+            |entry| !matches!(entry, HistoryEntryId::AcpThread(thread_id) if thread_id == &id),
+        );
+        self.save_recently_opened_entries(cx);
+    }
+
+    pub fn replace_recently_opened_text_thread(
+        &mut self,
+        old_path: &Path,
+        new_path: &Arc<Path>,
+        cx: &mut Context<Self>,
+    ) {
+        for entry in &mut self.recently_opened_entries {
+            match entry {
+                HistoryEntryId::TextThread(path) if path.as_ref() == old_path => {
+                    *entry = HistoryEntryId::TextThread(new_path.clone());
+                    break;
+                }
+                _ => {}
+            }
+        }
+        self.save_recently_opened_entries(cx);
+    }
+
+    pub fn remove_recently_opened_entry(&mut self, entry: &HistoryEntryId, cx: &mut Context<Self>) {
+        self.recently_opened_entries
+            .retain(|old_entry| old_entry != entry);
+        self.save_recently_opened_entries(cx);
+    }
+
+    pub fn entries(&self) -> impl Iterator<Item = HistoryEntry> {
+        self.entries.iter().cloned()
+    }
+}
diff --git a/crates/agent2/src/native_agent_server.rs b/crates/agent2/src/native_agent_server.rs
new file mode 100644
index 0000000000..9ff98ccd18
--- /dev/null
+++ b/crates/agent2/src/native_agent_server.rs
@@ -0,0 +1,128 @@
+use std::{any::Any, path::Path, rc::Rc, sync::Arc};
+
+use agent_servers::AgentServer;
+use anyhow::Result;
+use fs::Fs;
+use gpui::{App, Entity, SharedString, Task};
+use project::Project;
+use prompt_store::PromptStore;
+
+use crate::{HistoryStore, NativeAgent, NativeAgentConnection, templates::Templates};
+
+#[derive(Clone)]
+pub struct NativeAgentServer {
+    fs: Arc<dyn Fs>,
+    history: Entity<HistoryStore>,
+}
+
+impl NativeAgentServer {
+    pub fn new(fs: Arc<dyn Fs>, history: Entity<HistoryStore>) -> Self {
+        Self { fs, history }
+    }
+}
+
+impl AgentServer for NativeAgentServer {
+    fn telemetry_id(&self) -> &'static str {
+        "zed"
+    }
+
+    fn name(&self) -> SharedString {
+        "Zed Agent".into()
+    }
+
+    fn empty_state_headline(&self) -> SharedString {
+        self.name()
+    }
+
+    fn empty_state_message(&self) -> SharedString {
+        "".into()
+    }
+
+    fn logo(&self) -> ui::IconName {
+        ui::IconName::ZedAgent
+    }
+
+    fn connect(
+        &self,
+        _root_dir: &Path,
+        project: &Entity<Project>,
+        cx: &mut App,
+    ) -> Task<Result<Rc<dyn acp_thread::AgentConnection>>> {
+        log::debug!(
+            "NativeAgentServer::connect called for path: {:?}",
+            _root_dir
+        );
+        let project = project.clone();
+        let fs = self.fs.clone();
+        let history = self.history.clone();
+        let prompt_store = PromptStore::global(cx);
+        cx.spawn(async move |cx| {
+            log::debug!("Creating templates for native agent");
+            let templates = Templates::new();
+            let prompt_store = prompt_store.await?;
+
+            log::debug!("Creating native agent entity");
+            let agent =
+                NativeAgent::new(project, history, templates, Some(prompt_store), fs, cx).await?;
+
+            // Create the connection wrapper
+            let connection = NativeAgentConnection(agent);
+            log::debug!("NativeAgentServer connection established successfully");
+
+            Ok(Rc::new(connection) as Rc<dyn acp_thread::AgentConnection>)
+        })
+    }
+
+    fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
+        self
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    use assistant_context::ContextStore;
+    use gpui::AppContext;
+
+    agent_servers::e2e_tests::common_e2e_tests!(
+        async |fs, project, cx| {
+            let auth = cx.update(|cx| {
+                prompt_store::init(cx);
+                terminal::init(cx);
+
+                let registry = language_model::LanguageModelRegistry::read_global(cx);
+                let auth = registry
+                    .provider(&language_model::ANTHROPIC_PROVIDER_ID)
+                    .unwrap()
+                    .authenticate(cx);
+
+                cx.spawn(async move |_| auth.await)
+            });
+
+            auth.await.unwrap();
+
+            cx.update(|cx| {
+                let registry = language_model::LanguageModelRegistry::global(cx);
+
+                registry.update(cx, |registry, cx| {
+                    registry.select_default_model(
+                        Some(&language_model::SelectedModel {
+                            provider: language_model::ANTHROPIC_PROVIDER_ID,
+                            model: language_model::LanguageModelId("claude-sonnet-4-latest".into()),
+                        }),
+                        cx,
+                    );
+                });
+            });
+
+            let history = cx.update(|cx| {
+                let context_store = cx.new(move |cx| ContextStore::fake(project.clone(), cx));
+                cx.new(move |cx| HistoryStore::new(context_store, cx))
+            });
+
+            NativeAgentServer::new(fs.clone(), history)
+        },
+        allow_option_id = "allow"
+    );
+}
diff --git a/crates/agent2/src/templates.rs b/crates/agent2/src/templates.rs
new file mode 100644
index 0000000000..72a8f6633c
--- /dev/null
+++ b/crates/agent2/src/templates.rs
@@ -0,0 +1,87 @@
+use anyhow::Result;
+use gpui::SharedString;
+use handlebars::Handlebars;
+use rust_embed::RustEmbed;
+use serde::Serialize;
+use std::sync::Arc;
+
+#[derive(RustEmbed)]
+#[folder = "src/templates"]
+#[include = "*.hbs"]
+struct Assets;
+
+pub struct Templates(Handlebars<'static>);
+
+impl Templates {
+    pub fn new() -> Arc<Self> {
+        let mut handlebars = Handlebars::new();
+        handlebars.set_strict_mode(true);
+        handlebars.register_helper("contains", Box::new(contains));
+        handlebars.register_embed_templates::<Assets>().unwrap();
+        Arc::new(Self(handlebars))
+    }
+}
+
+pub trait Template: Sized {
+    const TEMPLATE_NAME: &'static str;
+
+    fn render(&self, templates: &Templates) -> Result<String>
+    where
+        Self: Serialize + Sized,
+    {
+        Ok(templates.0.render(Self::TEMPLATE_NAME, self)?)
+    }
+}
+
+#[derive(Serialize)]
+pub struct SystemPromptTemplate<'a> {
+    #[serde(flatten)]
+    pub project: &'a prompt_store::ProjectContext,
+    pub available_tools: Vec<SharedString>,
+}
+
+impl Template for SystemPromptTemplate<'_> {
+    const TEMPLATE_NAME: &'static str = "system_prompt.hbs";
+}
+
+/// Handlebars helper for checking if an item is in a list
+fn contains(
+    h: &handlebars::Helper,
+    _: &handlebars::Handlebars,
+    _: &handlebars::Context,
+    _: &mut handlebars::RenderContext,
+    out: &mut dyn handlebars::Output,
+) -> handlebars::HelperResult {
+    let list = h
+        .param(0)
+        .and_then(|v| v.value().as_array())
+        .ok_or_else(|| {
+            handlebars::RenderError::new("contains: missing or invalid list parameter")
+        })?;
+    let query = h.param(1).map(|v| v.value()).ok_or_else(|| {
+        handlebars::RenderError::new("contains: missing or invalid query parameter")
+    })?;
+
+    if list.contains(query) {
+        out.write("true")?;
+    }
+
+    Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_system_prompt_template() {
+        let project = prompt_store::ProjectContext::default();
+        let template = SystemPromptTemplate {
+            project: &project,
+            available_tools: vec!["echo".into()],
+        };
+        let templates = Templates::new();
+        let rendered = template.render(&templates).unwrap();
+        assert!(rendered.contains("## Fixing Diagnostics"));
+    }
+}
diff --git a/crates/agent2/src/templates/system_prompt.hbs b/crates/agent2/src/templates/system_prompt.hbs
new file mode 100644
index 0000000000..a9f67460d8
--- /dev/null
+++ b/crates/agent2/src/templates/system_prompt.hbs
@@ -0,0 +1,178 @@
+You are a highly skilled software engineer with extensive knowledge in many programming languages, frameworks, design patterns, and best practices.
+
+## Communication
+
+1. Be conversational but professional.
+2. Refer to the user in the second person and yourself in the first person.
+3. Format your responses in markdown. Use backticks to format file, directory, function, and class names.
+4. NEVER lie or make things up.
+5. Refrain from apologizing all the time when results are unexpected. Instead, just try your best to proceed or explain the circumstances to the user without apologizing.
+
+{{#if (gt (len available_tools) 0)}}
+## Tool Use
+
+1. Make sure to adhere to the tools schema.
+2. Provide every required argument.
+3. DO NOT use tools to access items that are already available in the context section.
+4. Use only the tools that are currently available.
+5. DO NOT use a tool that is not available just because it appears in the conversation. This means the user turned it off.
+6. NEVER run commands that don't terminate on their own such as web servers (like `npm run start`, `npm run dev`, `python -m http.server`, etc) or file watchers.
+7. Avoid HTML entity escaping - use plain characters instead.
+
+## Searching and Reading
+
+If you are unsure how to fulfill the user's request, gather more information with tool calls and/or clarifying questions.
+
+If appropriate, use tool calls to explore the current project, which contains the following root directories:
+
+{{#each worktrees}}
+- `{{abs_path}}`
+{{/each}}
+
+- Bias towards not asking the user for help if you can find the answer yourself.
+- When providing paths to tools, the path should always start with the name of a project root directory listed above.
+- Before you read or edit a file, you must first find the full path. DO NOT ever guess a file path!
+{{# if (contains available_tools 'grep') }}
+- When looking for symbols in the project, prefer the `grep` tool.
+- As you learn about the structure of the project, use that information to scope `grep` searches to targeted subtrees of the project.
+- The user might specify a partial file path. If you don't know the full path, use `find_path` (not `grep`) before you read the file.
+{{/if}}
+{{else}}
+You are being tasked with providing a response, but you have no ability to use tools or to read or write any aspect of the user's system (other than any context the user might have provided to you).
+
+As such, if you need the user to perform any actions for you, you must request them explicitly. Bias towards giving a response to the best of your ability, and then making requests for the user to take action (e.g. to give you more context) only optionally.
+
+The one exception to this is if the user references something you don't know about - for example, the name of a source code file, function, type, or other piece of code that you have no awareness of. In this case, you MUST NOT MAKE SOMETHING UP, or assume you know what that thing is or how it works. Instead, you must ask the user for clarification rather than giving a response.
+{{/if}}
+
+## Code Block Formatting
+
+Whenever you mention a code block, you MUST use ONLY use the following format:
+```path/to/Something.blah#L123-456
+(code goes here)
+```
+The `#L123-456` means the line number range 123 through 456, and the path/to/Something.blah
+is a path in the project. (If there is no valid path in the project, then you can use
+/dev/null/path.extension for its path.) This is the ONLY valid way to format code blocks, because the Markdown parser
+does not understand the more common ```language syntax, or bare ``` blocks. It only
+understands this path-based syntax, and if the path is missing, then it will error and you will have to do it over again.
+Just to be really clear about this, if you ever find yourself writing three backticks followed by a language name, STOP!
+You have made a mistake. You can only ever put paths after triple backticks!
+<example>
+Based on all the information I've gathered, here's a summary of how this system works:
+1. The README file is loaded into the system.
+2. The system finds the first two headers, including everything in between. In this case, that would be:
+```path/to/README.md#L8-12
+# First Header
+This is the info under the first header.
+## Sub-header
+```
+3. Then the system finds the last header in the README:
+```path/to/README.md#L27-29
+## Last Header
+This is the last header in the README.
+```
+4. Finally, it passes this information on to the next process.
+</example>
+<example>
+In Markdown, hash marks signify headings. For example:
+```/dev/null/example.md#L1-3
+# Level 1 heading
+## Level 2 heading
+### Level 3 heading
+```
+</example>
+Here are examples of ways you must never render code blocks:
+<bad_example_do_not_do_this>
+In Markdown, hash marks signify headings. For example:
+```
+# Level 1 heading
+## Level 2 heading
+### Level 3 heading
+```
+</bad_example_do_not_do_this>
+This example is unacceptable because it does not include the path.
+<bad_example_do_not_do_this>
+In Markdown, hash marks signify headings. For example:
+```markdown
+# Level 1 heading
+## Level 2 heading
+### Level 3 heading
+```
+</bad_example_do_not_do_this>
+This example is unacceptable because it has the language instead of the path.
+<bad_example_do_not_do_this>
+In Markdown, hash marks signify headings. For example:
+    # Level 1 heading
+    ## Level 2 heading
+    ### Level 3 heading
+</bad_example_do_not_do_this>
+This example is unacceptable because it uses indentation to mark the code block
+instead of backticks with a path.
+<bad_example_do_not_do_this>
+In Markdown, hash marks signify headings. For example:
+```markdown
+/dev/null/example.md#L1-3
+# Level 1 heading
+## Level 2 heading
+### Level 3 heading
+```
+</bad_example_do_not_do_this>
+This example is unacceptable because the path is in the wrong place. The path must be directly after the opening backticks.
+
+{{#if (gt (len available_tools) 0)}}
+## Fixing Diagnostics
+
+1. Make 1-2 attempts at fixing diagnostics, then defer to the user.
+2. Never simplify code you've written just to solve diagnostics. Complete, mostly correct code is more valuable than perfect code that doesn't solve the problem.
+
+## Debugging
+
+When debugging, only make code changes if you are certain that you can solve the problem.
+Otherwise, follow debugging best practices:
+1. Address the root cause instead of the symptoms.
+2. Add descriptive logging statements and error messages to track variable and code state.
+3. Add test functions and statements to isolate the problem.
+
+{{/if}}
+## Calling External APIs
+
+1. Unless explicitly requested by the user, use the best suited external APIs and packages to solve the task. There is no need to ask the user for permission.
+2. When selecting which version of an API or package to use, choose one that is compatible with the user's dependency management file(s). If no such file exists or if the package is not present, use the latest version that is in your training data.
+3. If an external API requires an API Key, be sure to point this out to the user. Adhere to best security practices (e.g. DO NOT hardcode an API key in a place where it can be exposed)
+
+## System Information
+
+Operating System: {{os}}
+Default Shell: {{shell}}
+
+{{#if (or has_rules has_user_rules)}}
+## User's Custom Instructions
+
+The following additional instructions are provided by the user, and should be followed to the best of your ability{{#if (gt (len available_tools) 0)}} without interfering with the tool use guidelines{{/if}}.
+
+{{#if has_rules}}
+There are project rules that apply to these root directories:
+{{#each worktrees}}
+{{#if rules_file}}
+`{{root_name}}/{{rules_file.path_in_worktree}}`:
+``````
+{{{rules_file.text}}}
+``````
+{{/if}}
+{{/each}}
+{{/if}}
+
+{{#if has_user_rules}}
+The user has specified the following rules that should be applied:
+{{#each user_rules}}
+
+{{#if title}}
+Rules title: {{title}}
+{{/if}}
+``````
+{{contents}}}
+``````
+{{/each}}
+{{/if}}
+{{/if}}
diff --git a/crates/agent2/src/tests/mod.rs b/crates/agent2/src/tests/mod.rs
new file mode 100644
index 0000000000..a55eaacee3
--- /dev/null
+++ b/crates/agent2/src/tests/mod.rs
@@ -0,0 +1,2534 @@
+use super::*;
+use acp_thread::{AgentConnection, AgentModelGroupName, AgentModelList, UserMessageId};
+use agent_client_protocol::{self as acp};
+use agent_settings::AgentProfileId;
+use anyhow::Result;
+use client::{Client, UserStore};
+use cloud_llm_client::CompletionIntent;
+use collections::IndexMap;
+use context_server::{ContextServer, ContextServerCommand, ContextServerId};
+use fs::{FakeFs, Fs};
+use futures::{
+    StreamExt,
+    channel::{
+        mpsc::{self, UnboundedReceiver},
+        oneshot,
+    },
+};
+use gpui::{
+    App, AppContext, Entity, Task, TestAppContext, UpdateGlobal, http_client::FakeHttpClient,
+};
+use indoc::indoc;
+use language_model::{
+    LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent, LanguageModelId,
+    LanguageModelProviderName, LanguageModelRegistry, LanguageModelRequest,
+    LanguageModelRequestMessage, LanguageModelToolResult, LanguageModelToolSchemaFormat,
+    LanguageModelToolUse, MessageContent, Role, StopReason, fake_provider::FakeLanguageModel,
+};
+use pretty_assertions::assert_eq;
+use project::{
+    Project, context_server_store::ContextServerStore, project_settings::ProjectSettings,
+};
+use prompt_store::ProjectContext;
+use reqwest_client::ReqwestClient;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use serde_json::json;
+use settings::{Settings, SettingsStore};
+use std::{path::Path, rc::Rc, sync::Arc, time::Duration};
+use util::path;
+
+mod test_tools;
+use test_tools::*;
+
+#[gpui::test]
+async fn test_echo(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let events = thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Testing: Reply with 'Hello'"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    fake_model.send_last_completion_stream_text_chunk("Hello");
+    fake_model
+        .send_last_completion_stream_event(LanguageModelCompletionEvent::Stop(StopReason::EndTurn));
+    fake_model.end_last_completion_stream();
+
+    let events = events.collect().await;
+    thread.update(cx, |thread, _cx| {
+        assert_eq!(
+            thread.last_message().unwrap().to_markdown(),
+            indoc! {"
+                ## Assistant
+
+                Hello
+            "}
+        )
+    });
+    assert_eq!(stop_events(events), vec![acp::StopReason::EndTurn]);
+}
+
+#[gpui::test]
+#[cfg_attr(target_os = "windows", ignore)] // TODO: Fix this test on Windows
+async fn test_thinking(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let events = thread
+        .update(cx, |thread, cx| {
+            thread.send(
+                UserMessageId::new(),
+                [indoc! {"
+                    Testing:
+
+                    Generate a thinking step where you just think the word 'Think',
+                    and have your final answer be 'Hello'
+                "}],
+                cx,
+            )
+        })
+        .unwrap();
+    cx.run_until_parked();
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::Thinking {
+        text: "Think".to_string(),
+        signature: None,
+    });
+    fake_model.send_last_completion_stream_text_chunk("Hello");
+    fake_model
+        .send_last_completion_stream_event(LanguageModelCompletionEvent::Stop(StopReason::EndTurn));
+    fake_model.end_last_completion_stream();
+
+    let events = events.collect().await;
+    thread.update(cx, |thread, _cx| {
+        assert_eq!(
+            thread.last_message().unwrap().to_markdown(),
+            indoc! {"
+                ## Assistant
+
+                <think>Think</think>
+                Hello
+            "}
+        )
+    });
+    assert_eq!(stop_events(events), vec![acp::StopReason::EndTurn]);
+}
+
+#[gpui::test]
+async fn test_system_prompt(cx: &mut TestAppContext) {
+    let ThreadTest {
+        model,
+        thread,
+        project_context,
+        ..
+    } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    project_context.update(cx, |project_context, _cx| {
+        project_context.shell = "test-shell".into()
+    });
+    thread.update(cx, |thread, _| thread.add_tool(EchoTool));
+    thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["abc"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    let mut pending_completions = fake_model.pending_completions();
+    assert_eq!(
+        pending_completions.len(),
+        1,
+        "unexpected pending completions: {:?}",
+        pending_completions
+    );
+
+    let pending_completion = pending_completions.pop().unwrap();
+    assert_eq!(pending_completion.messages[0].role, Role::System);
+
+    let system_message = &pending_completion.messages[0];
+    let system_prompt = system_message.content[0].to_str().unwrap();
+    assert!(
+        system_prompt.contains("test-shell"),
+        "unexpected system message: {:?}",
+        system_message
+    );
+    assert!(
+        system_prompt.contains("## Fixing Diagnostics"),
+        "unexpected system message: {:?}",
+        system_message
+    );
+}
+
+#[gpui::test]
+async fn test_prompt_caching(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    // Send initial user message and verify it's cached
+    thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Message 1"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    let completion = fake_model.pending_completions().pop().unwrap();
+    assert_eq!(
+        completion.messages[1..],
+        vec![LanguageModelRequestMessage {
+            role: Role::User,
+            content: vec!["Message 1".into()],
+            cache: true
+        }]
+    );
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::Text(
+        "Response to Message 1".into(),
+    ));
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    // Send another user message and verify only the latest is cached
+    thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Message 2"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    let completion = fake_model.pending_completions().pop().unwrap();
+    assert_eq!(
+        completion.messages[1..],
+        vec![
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["Message 1".into()],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::Assistant,
+                content: vec!["Response to Message 1".into()],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["Message 2".into()],
+                cache: true
+            }
+        ]
+    );
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::Text(
+        "Response to Message 2".into(),
+    ));
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    // Simulate a tool call and verify that the latest tool result is cached
+    thread.update(cx, |thread, _| thread.add_tool(EchoTool));
+    thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Use the echo tool"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    let tool_use = LanguageModelToolUse {
+        id: "tool_1".into(),
+        name: EchoTool::name().into(),
+        raw_input: json!({"text": "test"}).to_string(),
+        input: json!({"text": "test"}),
+        is_input_complete: true,
+    };
+    fake_model
+        .send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(tool_use.clone()));
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    let completion = fake_model.pending_completions().pop().unwrap();
+    let tool_result = LanguageModelToolResult {
+        tool_use_id: "tool_1".into(),
+        tool_name: EchoTool::name().into(),
+        is_error: false,
+        content: "test".into(),
+        output: Some("test".into()),
+    };
+    assert_eq!(
+        completion.messages[1..],
+        vec![
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["Message 1".into()],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::Assistant,
+                content: vec!["Response to Message 1".into()],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["Message 2".into()],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::Assistant,
+                content: vec!["Response to Message 2".into()],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["Use the echo tool".into()],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::Assistant,
+                content: vec![MessageContent::ToolUse(tool_use)],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec![MessageContent::ToolResult(tool_result)],
+                cache: true
+            }
+        ]
+    );
+}
+
+#[gpui::test]
+#[cfg_attr(not(feature = "e2e"), ignore)]
+async fn test_basic_tool_calls(cx: &mut TestAppContext) {
+    let ThreadTest { thread, .. } = setup(cx, TestModel::Sonnet4).await;
+
+    // Test a tool call that's likely to complete *before* streaming stops.
+    let events = thread
+        .update(cx, |thread, cx| {
+            thread.add_tool(EchoTool);
+            thread.send(
+                UserMessageId::new(),
+                ["Now test the echo tool with 'Hello'. Does it work? Say 'Yes' or 'No'."],
+                cx,
+            )
+        })
+        .unwrap()
+        .collect()
+        .await;
+    assert_eq!(stop_events(events), vec![acp::StopReason::EndTurn]);
+
+    // Test a tool calls that's likely to complete *after* streaming stops.
+    let events = thread
+        .update(cx, |thread, cx| {
+            thread.remove_tool(&EchoTool::name());
+            thread.add_tool(DelayTool);
+            thread.send(
+                UserMessageId::new(),
+                [
+                    "Now call the delay tool with 200ms.",
+                    "When the timer goes off, then you echo the output of the tool.",
+                ],
+                cx,
+            )
+        })
+        .unwrap()
+        .collect()
+        .await;
+    assert_eq!(stop_events(events), vec![acp::StopReason::EndTurn]);
+    thread.update(cx, |thread, _cx| {
+        assert!(
+            thread
+                .last_message()
+                .unwrap()
+                .as_agent_message()
+                .unwrap()
+                .content
+                .iter()
+                .any(|content| {
+                    if let AgentMessageContent::Text(text) = content {
+                        text.contains("Ding")
+                    } else {
+                        false
+                    }
+                }),
+            "{}",
+            thread.to_markdown()
+        );
+    });
+}
+
+#[gpui::test]
+#[cfg_attr(not(feature = "e2e"), ignore)]
+async fn test_streaming_tool_calls(cx: &mut TestAppContext) {
+    let ThreadTest { thread, .. } = setup(cx, TestModel::Sonnet4).await;
+
+    // Test a tool call that's likely to complete *before* streaming stops.
+    let mut events = thread
+        .update(cx, |thread, cx| {
+            thread.add_tool(WordListTool);
+            thread.send(UserMessageId::new(), ["Test the word_list tool."], cx)
+        })
+        .unwrap();
+
+    let mut saw_partial_tool_use = false;
+    while let Some(event) = events.next().await {
+        if let Ok(ThreadEvent::ToolCall(tool_call)) = event {
+            thread.update(cx, |thread, _cx| {
+                // Look for a tool use in the thread's last message
+                let message = thread.last_message().unwrap();
+                let agent_message = message.as_agent_message().unwrap();
+                let last_content = agent_message.content.last().unwrap();
+                if let AgentMessageContent::ToolUse(last_tool_use) = last_content {
+                    assert_eq!(last_tool_use.name.as_ref(), "word_list");
+                    if tool_call.status == acp::ToolCallStatus::Pending {
+                        if !last_tool_use.is_input_complete
+                            && last_tool_use.input.get("g").is_none()
+                        {
+                            saw_partial_tool_use = true;
+                        }
+                    } else {
+                        last_tool_use
+                            .input
+                            .get("a")
+                            .expect("'a' has streamed because input is now complete");
+                        last_tool_use
+                            .input
+                            .get("g")
+                            .expect("'g' has streamed because input is now complete");
+                    }
+                } else {
+                    panic!("last content should be a tool use");
+                }
+            });
+        }
+    }
+
+    assert!(
+        saw_partial_tool_use,
+        "should see at least one partially streamed tool use in the history"
+    );
+}
+
+#[gpui::test]
+async fn test_tool_authorization(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let mut events = thread
+        .update(cx, |thread, cx| {
+            thread.add_tool(ToolRequiringPermission);
+            thread.send(UserMessageId::new(), ["abc"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        LanguageModelToolUse {
+            id: "tool_id_1".into(),
+            name: ToolRequiringPermission::name().into(),
+            raw_input: "{}".into(),
+            input: json!({}),
+            is_input_complete: true,
+        },
+    ));
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        LanguageModelToolUse {
+            id: "tool_id_2".into(),
+            name: ToolRequiringPermission::name().into(),
+            raw_input: "{}".into(),
+            input: json!({}),
+            is_input_complete: true,
+        },
+    ));
+    fake_model.end_last_completion_stream();
+    let tool_call_auth_1 = next_tool_call_authorization(&mut events).await;
+    let tool_call_auth_2 = next_tool_call_authorization(&mut events).await;
+
+    // Approve the first
+    tool_call_auth_1
+        .response
+        .send(tool_call_auth_1.options[1].id.clone())
+        .unwrap();
+    cx.run_until_parked();
+
+    // Reject the second
+    tool_call_auth_2
+        .response
+        .send(tool_call_auth_1.options[2].id.clone())
+        .unwrap();
+    cx.run_until_parked();
+
+    let completion = fake_model.pending_completions().pop().unwrap();
+    let message = completion.messages.last().unwrap();
+    assert_eq!(
+        message.content,
+        vec![
+            language_model::MessageContent::ToolResult(LanguageModelToolResult {
+                tool_use_id: tool_call_auth_1.tool_call.id.0.to_string().into(),
+                tool_name: ToolRequiringPermission::name().into(),
+                is_error: false,
+                content: "Allowed".into(),
+                output: Some("Allowed".into())
+            }),
+            language_model::MessageContent::ToolResult(LanguageModelToolResult {
+                tool_use_id: tool_call_auth_2.tool_call.id.0.to_string().into(),
+                tool_name: ToolRequiringPermission::name().into(),
+                is_error: true,
+                content: "Permission to run tool denied by user".into(),
+                output: Some("Permission to run tool denied by user".into())
+            })
+        ]
+    );
+
+    // Simulate yet another tool call.
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        LanguageModelToolUse {
+            id: "tool_id_3".into(),
+            name: ToolRequiringPermission::name().into(),
+            raw_input: "{}".into(),
+            input: json!({}),
+            is_input_complete: true,
+        },
+    ));
+    fake_model.end_last_completion_stream();
+
+    // Respond by always allowing tools.
+    let tool_call_auth_3 = next_tool_call_authorization(&mut events).await;
+    tool_call_auth_3
+        .response
+        .send(tool_call_auth_3.options[0].id.clone())
+        .unwrap();
+    cx.run_until_parked();
+    let completion = fake_model.pending_completions().pop().unwrap();
+    let message = completion.messages.last().unwrap();
+    assert_eq!(
+        message.content,
+        vec![language_model::MessageContent::ToolResult(
+            LanguageModelToolResult {
+                tool_use_id: tool_call_auth_3.tool_call.id.0.to_string().into(),
+                tool_name: ToolRequiringPermission::name().into(),
+                is_error: false,
+                content: "Allowed".into(),
+                output: Some("Allowed".into())
+            }
+        )]
+    );
+
+    // Simulate a final tool call, ensuring we don't trigger authorization.
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        LanguageModelToolUse {
+            id: "tool_id_4".into(),
+            name: ToolRequiringPermission::name().into(),
+            raw_input: "{}".into(),
+            input: json!({}),
+            is_input_complete: true,
+        },
+    ));
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+    let completion = fake_model.pending_completions().pop().unwrap();
+    let message = completion.messages.last().unwrap();
+    assert_eq!(
+        message.content,
+        vec![language_model::MessageContent::ToolResult(
+            LanguageModelToolResult {
+                tool_use_id: "tool_id_4".into(),
+                tool_name: ToolRequiringPermission::name().into(),
+                is_error: false,
+                content: "Allowed".into(),
+                output: Some("Allowed".into())
+            }
+        )]
+    );
+}
+
+#[gpui::test]
+async fn test_tool_hallucination(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let mut events = thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["abc"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        LanguageModelToolUse {
+            id: "tool_id_1".into(),
+            name: "nonexistent_tool".into(),
+            raw_input: "{}".into(),
+            input: json!({}),
+            is_input_complete: true,
+        },
+    ));
+    fake_model.end_last_completion_stream();
+
+    let tool_call = expect_tool_call(&mut events).await;
+    assert_eq!(tool_call.title, "nonexistent_tool");
+    assert_eq!(tool_call.status, acp::ToolCallStatus::Pending);
+    let update = expect_tool_call_update_fields(&mut events).await;
+    assert_eq!(update.fields.status, Some(acp::ToolCallStatus::Failed));
+}
+
+#[gpui::test]
+async fn test_resume_after_tool_use_limit(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let events = thread
+        .update(cx, |thread, cx| {
+            thread.add_tool(EchoTool);
+            thread.send(UserMessageId::new(), ["abc"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    let tool_use = LanguageModelToolUse {
+        id: "tool_id_1".into(),
+        name: EchoTool::name().into(),
+        raw_input: "{}".into(),
+        input: serde_json::to_value(&EchoToolInput { text: "def".into() }).unwrap(),
+        is_input_complete: true,
+    };
+    fake_model
+        .send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(tool_use.clone()));
+    fake_model.end_last_completion_stream();
+
+    cx.run_until_parked();
+    let completion = fake_model.pending_completions().pop().unwrap();
+    let tool_result = LanguageModelToolResult {
+        tool_use_id: "tool_id_1".into(),
+        tool_name: EchoTool::name().into(),
+        is_error: false,
+        content: "def".into(),
+        output: Some("def".into()),
+    };
+    assert_eq!(
+        completion.messages[1..],
+        vec![
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["abc".into()],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::Assistant,
+                content: vec![MessageContent::ToolUse(tool_use.clone())],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec![MessageContent::ToolResult(tool_result.clone())],
+                cache: true
+            },
+        ]
+    );
+
+    // Simulate reaching tool use limit.
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::StatusUpdate(
+        cloud_llm_client::CompletionRequestStatus::ToolUseLimitReached,
+    ));
+    fake_model.end_last_completion_stream();
+    let last_event = events.collect::<Vec<_>>().await.pop().unwrap();
+    assert!(
+        last_event
+            .unwrap_err()
+            .is::<language_model::ToolUseLimitReachedError>()
+    );
+
+    let events = thread.update(cx, |thread, cx| thread.resume(cx)).unwrap();
+    cx.run_until_parked();
+    let completion = fake_model.pending_completions().pop().unwrap();
+    assert_eq!(
+        completion.messages[1..],
+        vec![
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["abc".into()],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::Assistant,
+                content: vec![MessageContent::ToolUse(tool_use)],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec![MessageContent::ToolResult(tool_result)],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["Continue where you left off".into()],
+                cache: true
+            }
+        ]
+    );
+
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::Text("Done".into()));
+    fake_model.end_last_completion_stream();
+    events.collect::<Vec<_>>().await;
+    thread.read_with(cx, |thread, _cx| {
+        assert_eq!(
+            thread.last_message().unwrap().to_markdown(),
+            indoc! {"
+                ## Assistant
+
+                Done
+            "}
+        )
+    });
+}
+
+#[gpui::test]
+async fn test_send_after_tool_use_limit(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let events = thread
+        .update(cx, |thread, cx| {
+            thread.add_tool(EchoTool);
+            thread.send(UserMessageId::new(), ["abc"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    let tool_use = LanguageModelToolUse {
+        id: "tool_id_1".into(),
+        name: EchoTool::name().into(),
+        raw_input: "{}".into(),
+        input: serde_json::to_value(&EchoToolInput { text: "def".into() }).unwrap(),
+        is_input_complete: true,
+    };
+    let tool_result = LanguageModelToolResult {
+        tool_use_id: "tool_id_1".into(),
+        tool_name: EchoTool::name().into(),
+        is_error: false,
+        content: "def".into(),
+        output: Some("def".into()),
+    };
+    fake_model
+        .send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(tool_use.clone()));
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::StatusUpdate(
+        cloud_llm_client::CompletionRequestStatus::ToolUseLimitReached,
+    ));
+    fake_model.end_last_completion_stream();
+    let last_event = events.collect::<Vec<_>>().await.pop().unwrap();
+    assert!(
+        last_event
+            .unwrap_err()
+            .is::<language_model::ToolUseLimitReachedError>()
+    );
+
+    thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), vec!["ghi"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    let completion = fake_model.pending_completions().pop().unwrap();
+    assert_eq!(
+        completion.messages[1..],
+        vec![
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["abc".into()],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::Assistant,
+                content: vec![MessageContent::ToolUse(tool_use)],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec![MessageContent::ToolResult(tool_result)],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["ghi".into()],
+                cache: true
+            }
+        ]
+    );
+}
+
+async fn expect_tool_call(events: &mut UnboundedReceiver<Result<ThreadEvent>>) -> acp::ToolCall {
+    let event = events
+        .next()
+        .await
+        .expect("no tool call authorization event received")
+        .unwrap();
+    match event {
+        ThreadEvent::ToolCall(tool_call) => tool_call,
+        event => {
+            panic!("Unexpected event {event:?}");
+        }
+    }
+}
+
+async fn expect_tool_call_update_fields(
+    events: &mut UnboundedReceiver<Result<ThreadEvent>>,
+) -> acp::ToolCallUpdate {
+    let event = events
+        .next()
+        .await
+        .expect("no tool call authorization event received")
+        .unwrap();
+    match event {
+        ThreadEvent::ToolCallUpdate(acp_thread::ToolCallUpdate::UpdateFields(update)) => update,
+        event => {
+            panic!("Unexpected event {event:?}");
+        }
+    }
+}
+
+async fn next_tool_call_authorization(
+    events: &mut UnboundedReceiver<Result<ThreadEvent>>,
+) -> ToolCallAuthorization {
+    loop {
+        let event = events
+            .next()
+            .await
+            .expect("no tool call authorization event received")
+            .unwrap();
+        if let ThreadEvent::ToolCallAuthorization(tool_call_authorization) = event {
+            let permission_kinds = tool_call_authorization
+                .options
+                .iter()
+                .map(|o| o.kind)
+                .collect::<Vec<_>>();
+            assert_eq!(
+                permission_kinds,
+                vec![
+                    acp::PermissionOptionKind::AllowAlways,
+                    acp::PermissionOptionKind::AllowOnce,
+                    acp::PermissionOptionKind::RejectOnce,
+                ]
+            );
+            return tool_call_authorization;
+        }
+    }
+}
+
+#[gpui::test]
+#[cfg_attr(not(feature = "e2e"), ignore)]
+async fn test_concurrent_tool_calls(cx: &mut TestAppContext) {
+    let ThreadTest { thread, .. } = setup(cx, TestModel::Sonnet4).await;
+
+    // Test concurrent tool calls with different delay times
+    let events = thread
+        .update(cx, |thread, cx| {
+            thread.add_tool(DelayTool);
+            thread.send(
+                UserMessageId::new(),
+                [
+                    "Call the delay tool twice in the same message.",
+                    "Once with 100ms. Once with 300ms.",
+                    "When both timers are complete, describe the outputs.",
+                ],
+                cx,
+            )
+        })
+        .unwrap()
+        .collect()
+        .await;
+
+    let stop_reasons = stop_events(events);
+    assert_eq!(stop_reasons, vec![acp::StopReason::EndTurn]);
+
+    thread.update(cx, |thread, _cx| {
+        let last_message = thread.last_message().unwrap();
+        let agent_message = last_message.as_agent_message().unwrap();
+        let text = agent_message
+            .content
+            .iter()
+            .filter_map(|content| {
+                if let AgentMessageContent::Text(text) = content {
+                    Some(text.as_str())
+                } else {
+                    None
+                }
+            })
+            .collect::<String>();
+
+        assert!(text.contains("Ding"));
+    });
+}
+
+#[gpui::test]
+async fn test_profiles(cx: &mut TestAppContext) {
+    let ThreadTest {
+        model, thread, fs, ..
+    } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    thread.update(cx, |thread, _cx| {
+        thread.add_tool(DelayTool);
+        thread.add_tool(EchoTool);
+        thread.add_tool(InfiniteTool);
+    });
+
+    // Override profiles and wait for settings to be loaded.
+    fs.insert_file(
+        paths::settings_file(),
+        json!({
+            "agent": {
+                "profiles": {
+                    "test-1": {
+                        "name": "Test Profile 1",
+                        "tools": {
+                            EchoTool::name(): true,
+                            DelayTool::name(): true,
+                        }
+                    },
+                    "test-2": {
+                        "name": "Test Profile 2",
+                        "tools": {
+                            InfiniteTool::name(): true,
+                        }
+                    }
+                }
+            }
+        })
+        .to_string()
+        .into_bytes(),
+    )
+    .await;
+    cx.run_until_parked();
+
+    // Test that test-1 profile (default) has echo and delay tools
+    thread
+        .update(cx, |thread, cx| {
+            thread.set_profile(AgentProfileId("test-1".into()));
+            thread.send(UserMessageId::new(), ["test"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    let mut pending_completions = fake_model.pending_completions();
+    assert_eq!(pending_completions.len(), 1);
+    let completion = pending_completions.pop().unwrap();
+    let tool_names: Vec<String> = completion
+        .tools
+        .iter()
+        .map(|tool| tool.name.clone())
+        .collect();
+    assert_eq!(tool_names, vec![DelayTool::name(), EchoTool::name()]);
+    fake_model.end_last_completion_stream();
+
+    // Switch to test-2 profile, and verify that it has only the infinite tool.
+    thread
+        .update(cx, |thread, cx| {
+            thread.set_profile(AgentProfileId("test-2".into()));
+            thread.send(UserMessageId::new(), ["test2"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    let mut pending_completions = fake_model.pending_completions();
+    assert_eq!(pending_completions.len(), 1);
+    let completion = pending_completions.pop().unwrap();
+    let tool_names: Vec<String> = completion
+        .tools
+        .iter()
+        .map(|tool| tool.name.clone())
+        .collect();
+    assert_eq!(tool_names, vec![InfiniteTool::name()]);
+}
+
+#[gpui::test]
+async fn test_mcp_tools(cx: &mut TestAppContext) {
+    let ThreadTest {
+        model,
+        thread,
+        context_server_store,
+        fs,
+        ..
+    } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    // Override profiles and wait for settings to be loaded.
+    fs.insert_file(
+        paths::settings_file(),
+        json!({
+            "agent": {
+                "profiles": {
+                    "test": {
+                        "name": "Test Profile",
+                        "enable_all_context_servers": true,
+                        "tools": {
+                            EchoTool::name(): true,
+                        }
+                    },
+                }
+            }
+        })
+        .to_string()
+        .into_bytes(),
+    )
+    .await;
+    cx.run_until_parked();
+    thread.update(cx, |thread, _| {
+        thread.set_profile(AgentProfileId("test".into()))
+    });
+
+    let mut mcp_tool_calls = setup_context_server(
+        "test_server",
+        vec![context_server::types::Tool {
+            name: "echo".into(),
+            description: None,
+            input_schema: serde_json::to_value(
+                EchoTool.input_schema(LanguageModelToolSchemaFormat::JsonSchema),
+            )
+            .unwrap(),
+            output_schema: None,
+            annotations: None,
+        }],
+        &context_server_store,
+        cx,
+    );
+
+    let events = thread.update(cx, |thread, cx| {
+        thread.send(UserMessageId::new(), ["Hey"], cx).unwrap()
+    });
+    cx.run_until_parked();
+
+    // Simulate the model calling the MCP tool.
+    let completion = fake_model.pending_completions().pop().unwrap();
+    assert_eq!(tool_names_for_completion(&completion), vec!["echo"]);
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        LanguageModelToolUse {
+            id: "tool_1".into(),
+            name: "echo".into(),
+            raw_input: json!({"text": "test"}).to_string(),
+            input: json!({"text": "test"}),
+            is_input_complete: true,
+        },
+    ));
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    let (tool_call_params, tool_call_response) = mcp_tool_calls.next().await.unwrap();
+    assert_eq!(tool_call_params.name, "echo");
+    assert_eq!(tool_call_params.arguments, Some(json!({"text": "test"})));
+    tool_call_response
+        .send(context_server::types::CallToolResponse {
+            content: vec![context_server::types::ToolResponseContent::Text {
+                text: "test".into(),
+            }],
+            is_error: None,
+            meta: None,
+            structured_content: None,
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    assert_eq!(tool_names_for_completion(&completion), vec!["echo"]);
+    fake_model.send_last_completion_stream_text_chunk("Done!");
+    fake_model.end_last_completion_stream();
+    events.collect::<Vec<_>>().await;
+
+    // Send again after adding the echo tool, ensuring the name collision is resolved.
+    let events = thread.update(cx, |thread, cx| {
+        thread.add_tool(EchoTool);
+        thread.send(UserMessageId::new(), ["Go"], cx).unwrap()
+    });
+    cx.run_until_parked();
+    let completion = fake_model.pending_completions().pop().unwrap();
+    assert_eq!(
+        tool_names_for_completion(&completion),
+        vec!["echo", "test_server_echo"]
+    );
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        LanguageModelToolUse {
+            id: "tool_2".into(),
+            name: "test_server_echo".into(),
+            raw_input: json!({"text": "mcp"}).to_string(),
+            input: json!({"text": "mcp"}),
+            is_input_complete: true,
+        },
+    ));
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        LanguageModelToolUse {
+            id: "tool_3".into(),
+            name: "echo".into(),
+            raw_input: json!({"text": "native"}).to_string(),
+            input: json!({"text": "native"}),
+            is_input_complete: true,
+        },
+    ));
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    let (tool_call_params, tool_call_response) = mcp_tool_calls.next().await.unwrap();
+    assert_eq!(tool_call_params.name, "echo");
+    assert_eq!(tool_call_params.arguments, Some(json!({"text": "mcp"})));
+    tool_call_response
+        .send(context_server::types::CallToolResponse {
+            content: vec![context_server::types::ToolResponseContent::Text { text: "mcp".into() }],
+            is_error: None,
+            meta: None,
+            structured_content: None,
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    // Ensure the tool results were inserted with the correct names.
+    let completion = fake_model.pending_completions().pop().unwrap();
+    assert_eq!(
+        completion.messages.last().unwrap().content,
+        vec![
+            MessageContent::ToolResult(LanguageModelToolResult {
+                tool_use_id: "tool_3".into(),
+                tool_name: "echo".into(),
+                is_error: false,
+                content: "native".into(),
+                output: Some("native".into()),
+            },),
+            MessageContent::ToolResult(LanguageModelToolResult {
+                tool_use_id: "tool_2".into(),
+                tool_name: "test_server_echo".into(),
+                is_error: false,
+                content: "mcp".into(),
+                output: Some("mcp".into()),
+            },),
+        ]
+    );
+    fake_model.end_last_completion_stream();
+    events.collect::<Vec<_>>().await;
+}
+
+#[gpui::test]
+async fn test_mcp_tool_truncation(cx: &mut TestAppContext) {
+    let ThreadTest {
+        model,
+        thread,
+        context_server_store,
+        fs,
+        ..
+    } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    // Set up a profile with all tools enabled
+    fs.insert_file(
+        paths::settings_file(),
+        json!({
+            "agent": {
+                "profiles": {
+                    "test": {
+                        "name": "Test Profile",
+                        "enable_all_context_servers": true,
+                        "tools": {
+                            EchoTool::name(): true,
+                            DelayTool::name(): true,
+                            WordListTool::name(): true,
+                            ToolRequiringPermission::name(): true,
+                            InfiniteTool::name(): true,
+                        }
+                    },
+                }
+            }
+        })
+        .to_string()
+        .into_bytes(),
+    )
+    .await;
+    cx.run_until_parked();
+
+    thread.update(cx, |thread, _| {
+        thread.set_profile(AgentProfileId("test".into()));
+        thread.add_tool(EchoTool);
+        thread.add_tool(DelayTool);
+        thread.add_tool(WordListTool);
+        thread.add_tool(ToolRequiringPermission);
+        thread.add_tool(InfiniteTool);
+    });
+
+    // Set up multiple context servers with some overlapping tool names
+    let _server1_calls = setup_context_server(
+        "xxx",
+        vec![
+            context_server::types::Tool {
+                name: "echo".into(), // Conflicts with native EchoTool
+                description: None,
+                input_schema: serde_json::to_value(
+                    EchoTool.input_schema(LanguageModelToolSchemaFormat::JsonSchema),
+                )
+                .unwrap(),
+                output_schema: None,
+                annotations: None,
+            },
+            context_server::types::Tool {
+                name: "unique_tool_1".into(),
+                description: None,
+                input_schema: json!({"type": "object", "properties": {}}),
+                output_schema: None,
+                annotations: None,
+            },
+        ],
+        &context_server_store,
+        cx,
+    );
+
+    let _server2_calls = setup_context_server(
+        "yyy",
+        vec![
+            context_server::types::Tool {
+                name: "echo".into(), // Also conflicts with native EchoTool
+                description: None,
+                input_schema: serde_json::to_value(
+                    EchoTool.input_schema(LanguageModelToolSchemaFormat::JsonSchema),
+                )
+                .unwrap(),
+                output_schema: None,
+                annotations: None,
+            },
+            context_server::types::Tool {
+                name: "unique_tool_2".into(),
+                description: None,
+                input_schema: json!({"type": "object", "properties": {}}),
+                output_schema: None,
+                annotations: None,
+            },
+            context_server::types::Tool {
+                name: "a".repeat(MAX_TOOL_NAME_LENGTH - 2),
+                description: None,
+                input_schema: json!({"type": "object", "properties": {}}),
+                output_schema: None,
+                annotations: None,
+            },
+            context_server::types::Tool {
+                name: "b".repeat(MAX_TOOL_NAME_LENGTH - 1),
+                description: None,
+                input_schema: json!({"type": "object", "properties": {}}),
+                output_schema: None,
+                annotations: None,
+            },
+        ],
+        &context_server_store,
+        cx,
+    );
+    let _server3_calls = setup_context_server(
+        "zzz",
+        vec![
+            context_server::types::Tool {
+                name: "a".repeat(MAX_TOOL_NAME_LENGTH - 2),
+                description: None,
+                input_schema: json!({"type": "object", "properties": {}}),
+                output_schema: None,
+                annotations: None,
+            },
+            context_server::types::Tool {
+                name: "b".repeat(MAX_TOOL_NAME_LENGTH - 1),
+                description: None,
+                input_schema: json!({"type": "object", "properties": {}}),
+                output_schema: None,
+                annotations: None,
+            },
+            context_server::types::Tool {
+                name: "c".repeat(MAX_TOOL_NAME_LENGTH + 1),
+                description: None,
+                input_schema: json!({"type": "object", "properties": {}}),
+                output_schema: None,
+                annotations: None,
+            },
+        ],
+        &context_server_store,
+        cx,
+    );
+
+    thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Go"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    let completion = fake_model.pending_completions().pop().unwrap();
+    assert_eq!(
+        tool_names_for_completion(&completion),
+        vec![
+            "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
+            "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
+            "delay",
+            "echo",
+            "infinite",
+            "tool_requiring_permission",
+            "unique_tool_1",
+            "unique_tool_2",
+            "word_list",
+            "xxx_echo",
+            "y_aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
+            "yyy_echo",
+            "z_aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
+        ]
+    );
+}
+
+#[gpui::test]
+#[cfg_attr(not(feature = "e2e"), ignore)]
+async fn test_cancellation(cx: &mut TestAppContext) {
+    let ThreadTest { thread, .. } = setup(cx, TestModel::Sonnet4).await;
+
+    let mut events = thread
+        .update(cx, |thread, cx| {
+            thread.add_tool(InfiniteTool);
+            thread.add_tool(EchoTool);
+            thread.send(
+                UserMessageId::new(),
+                ["Call the echo tool, then call the infinite tool, then explain their output"],
+                cx,
+            )
+        })
+        .unwrap();
+
+    // Wait until both tools are called.
+    let mut expected_tools = vec!["Echo", "Infinite Tool"];
+    let mut echo_id = None;
+    let mut echo_completed = false;
+    while let Some(event) = events.next().await {
+        match event.unwrap() {
+            ThreadEvent::ToolCall(tool_call) => {
+                assert_eq!(tool_call.title, expected_tools.remove(0));
+                if tool_call.title == "Echo" {
+                    echo_id = Some(tool_call.id);
+                }
+            }
+            ThreadEvent::ToolCallUpdate(acp_thread::ToolCallUpdate::UpdateFields(
+                acp::ToolCallUpdate {
+                    id,
+                    fields:
+                        acp::ToolCallUpdateFields {
+                            status: Some(acp::ToolCallStatus::Completed),
+                            ..
+                        },
+                },
+            )) if Some(&id) == echo_id.as_ref() => {
+                echo_completed = true;
+            }
+            _ => {}
+        }
+
+        if expected_tools.is_empty() && echo_completed {
+            break;
+        }
+    }
+
+    // Cancel the current send and ensure that the event stream is closed, even
+    // if one of the tools is still running.
+    thread.update(cx, |thread, cx| thread.cancel(cx));
+    let events = events.collect::<Vec<_>>().await;
+    let last_event = events.last();
+    assert!(
+        matches!(
+            last_event,
+            Some(Ok(ThreadEvent::Stop(acp::StopReason::Cancelled)))
+        ),
+        "unexpected event {last_event:?}"
+    );
+
+    // Ensure we can still send a new message after cancellation.
+    let events = thread
+        .update(cx, |thread, cx| {
+            thread.send(
+                UserMessageId::new(),
+                ["Testing: reply with 'Hello' then stop."],
+                cx,
+            )
+        })
+        .unwrap()
+        .collect::<Vec<_>>()
+        .await;
+    thread.update(cx, |thread, _cx| {
+        let message = thread.last_message().unwrap();
+        let agent_message = message.as_agent_message().unwrap();
+        assert_eq!(
+            agent_message.content,
+            vec![AgentMessageContent::Text("Hello".to_string())]
+        );
+    });
+    assert_eq!(stop_events(events), vec![acp::StopReason::EndTurn]);
+}
+
+#[gpui::test]
+#[cfg_attr(target_os = "windows", ignore)] // TODO: Fix this test on Windows
+async fn test_in_progress_send_canceled_by_next_send(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let events_1 = thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Hello 1"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    fake_model.send_last_completion_stream_text_chunk("Hey 1!");
+    cx.run_until_parked();
+
+    let events_2 = thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Hello 2"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    fake_model.send_last_completion_stream_text_chunk("Hey 2!");
+    fake_model
+        .send_last_completion_stream_event(LanguageModelCompletionEvent::Stop(StopReason::EndTurn));
+    fake_model.end_last_completion_stream();
+
+    let events_1 = events_1.collect::<Vec<_>>().await;
+    assert_eq!(stop_events(events_1), vec![acp::StopReason::Cancelled]);
+    let events_2 = events_2.collect::<Vec<_>>().await;
+    assert_eq!(stop_events(events_2), vec![acp::StopReason::EndTurn]);
+}
+
+#[gpui::test]
+async fn test_subsequent_successful_sends_dont_cancel(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let events_1 = thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Hello 1"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    fake_model.send_last_completion_stream_text_chunk("Hey 1!");
+    fake_model
+        .send_last_completion_stream_event(LanguageModelCompletionEvent::Stop(StopReason::EndTurn));
+    fake_model.end_last_completion_stream();
+    let events_1 = events_1.collect::<Vec<_>>().await;
+
+    let events_2 = thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Hello 2"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    fake_model.send_last_completion_stream_text_chunk("Hey 2!");
+    fake_model
+        .send_last_completion_stream_event(LanguageModelCompletionEvent::Stop(StopReason::EndTurn));
+    fake_model.end_last_completion_stream();
+    let events_2 = events_2.collect::<Vec<_>>().await;
+
+    assert_eq!(stop_events(events_1), vec![acp::StopReason::EndTurn]);
+    assert_eq!(stop_events(events_2), vec![acp::StopReason::EndTurn]);
+}
+
+#[gpui::test]
+async fn test_refusal(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let events = thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Hello"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    thread.read_with(cx, |thread, _| {
+        assert_eq!(
+            thread.to_markdown(),
+            indoc! {"
+                ## User
+
+                Hello
+            "}
+        );
+    });
+
+    fake_model.send_last_completion_stream_text_chunk("Hey!");
+    cx.run_until_parked();
+    thread.read_with(cx, |thread, _| {
+        assert_eq!(
+            thread.to_markdown(),
+            indoc! {"
+                ## User
+
+                Hello
+
+                ## Assistant
+
+                Hey!
+            "}
+        );
+    });
+
+    // If the model refuses to continue, the thread should remove all the messages after the last user message.
+    fake_model
+        .send_last_completion_stream_event(LanguageModelCompletionEvent::Stop(StopReason::Refusal));
+    let events = events.collect::<Vec<_>>().await;
+    assert_eq!(stop_events(events), vec![acp::StopReason::Refusal]);
+    thread.read_with(cx, |thread, _| {
+        assert_eq!(thread.to_markdown(), "");
+    });
+}
+
+#[gpui::test]
+async fn test_truncate_first_message(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let message_id = UserMessageId::new();
+    thread
+        .update(cx, |thread, cx| {
+            thread.send(message_id.clone(), ["Hello"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    thread.read_with(cx, |thread, _| {
+        assert_eq!(
+            thread.to_markdown(),
+            indoc! {"
+                ## User
+
+                Hello
+            "}
+        );
+        assert_eq!(thread.latest_token_usage(), None);
+    });
+
+    fake_model.send_last_completion_stream_text_chunk("Hey!");
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
+        language_model::TokenUsage {
+            input_tokens: 32_000,
+            output_tokens: 16_000,
+            cache_creation_input_tokens: 0,
+            cache_read_input_tokens: 0,
+        },
+    ));
+    cx.run_until_parked();
+    thread.read_with(cx, |thread, _| {
+        assert_eq!(
+            thread.to_markdown(),
+            indoc! {"
+                ## User
+
+                Hello
+
+                ## Assistant
+
+                Hey!
+            "}
+        );
+        assert_eq!(
+            thread.latest_token_usage(),
+            Some(acp_thread::TokenUsage {
+                used_tokens: 32_000 + 16_000,
+                max_tokens: 1_000_000,
+            })
+        );
+    });
+
+    thread
+        .update(cx, |thread, cx| thread.truncate(message_id, cx))
+        .unwrap();
+    cx.run_until_parked();
+    thread.read_with(cx, |thread, _| {
+        assert_eq!(thread.to_markdown(), "");
+        assert_eq!(thread.latest_token_usage(), None);
+    });
+
+    // Ensure we can still send a new message after truncation.
+    thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Hi"], cx)
+        })
+        .unwrap();
+    thread.update(cx, |thread, _cx| {
+        assert_eq!(
+            thread.to_markdown(),
+            indoc! {"
+                ## User
+
+                Hi
+            "}
+        );
+    });
+    cx.run_until_parked();
+    fake_model.send_last_completion_stream_text_chunk("Ahoy!");
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
+        language_model::TokenUsage {
+            input_tokens: 40_000,
+            output_tokens: 20_000,
+            cache_creation_input_tokens: 0,
+            cache_read_input_tokens: 0,
+        },
+    ));
+    cx.run_until_parked();
+    thread.read_with(cx, |thread, _| {
+        assert_eq!(
+            thread.to_markdown(),
+            indoc! {"
+                ## User
+
+                Hi
+
+                ## Assistant
+
+                Ahoy!
+            "}
+        );
+
+        assert_eq!(
+            thread.latest_token_usage(),
+            Some(acp_thread::TokenUsage {
+                used_tokens: 40_000 + 20_000,
+                max_tokens: 1_000_000,
+            })
+        );
+    });
+}
+
+#[gpui::test]
+async fn test_truncate_second_message(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Message 1"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    fake_model.send_last_completion_stream_text_chunk("Message 1 response");
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
+        language_model::TokenUsage {
+            input_tokens: 32_000,
+            output_tokens: 16_000,
+            cache_creation_input_tokens: 0,
+            cache_read_input_tokens: 0,
+        },
+    ));
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    let assert_first_message_state = |cx: &mut TestAppContext| {
+        thread.clone().read_with(cx, |thread, _| {
+            assert_eq!(
+                thread.to_markdown(),
+                indoc! {"
+                    ## User
+
+                    Message 1
+
+                    ## Assistant
+
+                    Message 1 response
+                "}
+            );
+
+            assert_eq!(
+                thread.latest_token_usage(),
+                Some(acp_thread::TokenUsage {
+                    used_tokens: 32_000 + 16_000,
+                    max_tokens: 1_000_000,
+                })
+            );
+        });
+    };
+
+    assert_first_message_state(cx);
+
+    let second_message_id = UserMessageId::new();
+    thread
+        .update(cx, |thread, cx| {
+            thread.send(second_message_id.clone(), ["Message 2"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    fake_model.send_last_completion_stream_text_chunk("Message 2 response");
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
+        language_model::TokenUsage {
+            input_tokens: 40_000,
+            output_tokens: 20_000,
+            cache_creation_input_tokens: 0,
+            cache_read_input_tokens: 0,
+        },
+    ));
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    thread.read_with(cx, |thread, _| {
+        assert_eq!(
+            thread.to_markdown(),
+            indoc! {"
+                ## User
+
+                Message 1
+
+                ## Assistant
+
+                Message 1 response
+
+                ## User
+
+                Message 2
+
+                ## Assistant
+
+                Message 2 response
+            "}
+        );
+
+        assert_eq!(
+            thread.latest_token_usage(),
+            Some(acp_thread::TokenUsage {
+                used_tokens: 40_000 + 20_000,
+                max_tokens: 1_000_000,
+            })
+        );
+    });
+
+    thread
+        .update(cx, |thread, cx| thread.truncate(second_message_id, cx))
+        .unwrap();
+    cx.run_until_parked();
+
+    assert_first_message_state(cx);
+}
+
+#[gpui::test]
+#[cfg_attr(target_os = "windows", ignore)] // TODO: Fix this test on Windows
+async fn test_title_generation(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let summary_model = Arc::new(FakeLanguageModel::default());
+    thread.update(cx, |thread, cx| {
+        thread.set_summarization_model(Some(summary_model.clone()), cx)
+    });
+
+    let send = thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Hello"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    fake_model.send_last_completion_stream_text_chunk("Hey!");
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+    thread.read_with(cx, |thread, _| assert_eq!(thread.title(), "New Thread"));
+
+    // Ensure the summary model has been invoked to generate a title.
+    summary_model.send_last_completion_stream_text_chunk("Hello ");
+    summary_model.send_last_completion_stream_text_chunk("world\nG");
+    summary_model.send_last_completion_stream_text_chunk("oodnight Moon");
+    summary_model.end_last_completion_stream();
+    send.collect::<Vec<_>>().await;
+    cx.run_until_parked();
+    thread.read_with(cx, |thread, _| assert_eq!(thread.title(), "Hello world"));
+
+    // Send another message, ensuring no title is generated this time.
+    let send = thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Hello again"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+    fake_model.send_last_completion_stream_text_chunk("Hey again!");
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+    assert_eq!(summary_model.pending_completions(), Vec::new());
+    send.collect::<Vec<_>>().await;
+    thread.read_with(cx, |thread, _| assert_eq!(thread.title(), "Hello world"));
+}
+
+#[gpui::test]
+async fn test_building_request_with_pending_tools(cx: &mut TestAppContext) {
+    let ThreadTest { model, thread, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let _events = thread
+        .update(cx, |thread, cx| {
+            thread.add_tool(ToolRequiringPermission);
+            thread.add_tool(EchoTool);
+            thread.send(UserMessageId::new(), ["Hey!"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    let permission_tool_use = LanguageModelToolUse {
+        id: "tool_id_1".into(),
+        name: ToolRequiringPermission::name().into(),
+        raw_input: "{}".into(),
+        input: json!({}),
+        is_input_complete: true,
+    };
+    let echo_tool_use = LanguageModelToolUse {
+        id: "tool_id_2".into(),
+        name: EchoTool::name().into(),
+        raw_input: json!({"text": "test"}).to_string(),
+        input: json!({"text": "test"}),
+        is_input_complete: true,
+    };
+    fake_model.send_last_completion_stream_text_chunk("Hi!");
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        permission_tool_use,
+    ));
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        echo_tool_use.clone(),
+    ));
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    // Ensure pending tools are skipped when building a request.
+    let request = thread
+        .read_with(cx, |thread, cx| {
+            thread.build_completion_request(CompletionIntent::EditFile, cx)
+        })
+        .unwrap();
+    assert_eq!(
+        request.messages[1..],
+        vec![
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["Hey!".into()],
+                cache: true
+            },
+            LanguageModelRequestMessage {
+                role: Role::Assistant,
+                content: vec![
+                    MessageContent::Text("Hi!".into()),
+                    MessageContent::ToolUse(echo_tool_use.clone())
+                ],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec![MessageContent::ToolResult(LanguageModelToolResult {
+                    tool_use_id: echo_tool_use.id.clone(),
+                    tool_name: echo_tool_use.name,
+                    is_error: false,
+                    content: "test".into(),
+                    output: Some("test".into())
+                })],
+                cache: false
+            },
+        ],
+    );
+}
+
+#[gpui::test]
+async fn test_agent_connection(cx: &mut TestAppContext) {
+    cx.update(settings::init);
+    let templates = Templates::new();
+
+    // Initialize language model system with test provider
+    cx.update(|cx| {
+        gpui_tokio::init(cx);
+        client::init_settings(cx);
+
+        let http_client = FakeHttpClient::with_404_response();
+        let clock = Arc::new(clock::FakeSystemClock::new());
+        let client = Client::new(clock, http_client, cx);
+        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
+        Project::init_settings(cx);
+        agent_settings::init(cx);
+        language_model::init(client.clone(), cx);
+        language_models::init(user_store, client.clone(), cx);
+        LanguageModelRegistry::test(cx);
+    });
+    cx.executor().forbid_parking();
+
+    // Create a project for new_thread
+    let fake_fs = cx.update(|cx| fs::FakeFs::new(cx.background_executor().clone()));
+    fake_fs.insert_tree(path!("/test"), json!({})).await;
+    let project = Project::test(fake_fs.clone(), [Path::new("/test")], cx).await;
+    let cwd = Path::new("/test");
+    let context_store = cx.new(|cx| assistant_context::ContextStore::fake(project.clone(), cx));
+    let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
+
+    // Create agent and connection
+    let agent = NativeAgent::new(
+        project.clone(),
+        history_store,
+        templates.clone(),
+        None,
+        fake_fs.clone(),
+        &mut cx.to_async(),
+    )
+    .await
+    .unwrap();
+    let connection = NativeAgentConnection(agent.clone());
+
+    // Test model_selector returns Some
+    let selector_opt = connection.model_selector();
+    assert!(
+        selector_opt.is_some(),
+        "agent2 should always support ModelSelector"
+    );
+    let selector = selector_opt.unwrap();
+
+    // Test list_models
+    let listed_models = cx
+        .update(|cx| selector.list_models(cx))
+        .await
+        .expect("list_models should succeed");
+    let AgentModelList::Grouped(listed_models) = listed_models else {
+        panic!("Unexpected model list type");
+    };
+    assert!(!listed_models.is_empty(), "should have at least one model");
+    assert_eq!(
+        listed_models[&AgentModelGroupName("Fake".into())][0].id.0,
+        "fake/fake"
+    );
+
+    // Create a thread using new_thread
+    let connection_rc = Rc::new(connection.clone());
+    let acp_thread = cx
+        .update(|cx| connection_rc.new_thread(project, cwd, cx))
+        .await
+        .expect("new_thread should succeed");
+
+    // Get the session_id from the AcpThread
+    let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
+
+    // Test selected_model returns the default
+    let model = cx
+        .update(|cx| selector.selected_model(&session_id, cx))
+        .await
+        .expect("selected_model should succeed");
+    let model = cx
+        .update(|cx| agent.read(cx).models().model_from_id(&model.id))
+        .unwrap();
+    let model = model.as_fake();
+    assert_eq!(model.id().0, "fake", "should return default model");
+
+    let request = acp_thread.update(cx, |thread, cx| thread.send(vec!["abc".into()], cx));
+    cx.run_until_parked();
+    model.send_last_completion_stream_text_chunk("def");
+    cx.run_until_parked();
+    acp_thread.read_with(cx, |thread, cx| {
+        assert_eq!(
+            thread.to_markdown(cx),
+            indoc! {"
+                ## User
+
+                abc
+
+                ## Assistant
+
+                def
+
+            "}
+        )
+    });
+
+    // Test cancel
+    cx.update(|cx| connection.cancel(&session_id, cx));
+    request.await.expect("prompt should fail gracefully");
+
+    // Ensure that dropping the ACP thread causes the native thread to be
+    // dropped as well.
+    cx.update(|_| drop(acp_thread));
+    let result = cx
+        .update(|cx| {
+            connection.prompt(
+                Some(acp_thread::UserMessageId::new()),
+                acp::PromptRequest {
+                    session_id: session_id.clone(),
+                    prompt: vec!["ghi".into()],
+                },
+                cx,
+            )
+        })
+        .await;
+    assert_eq!(
+        result.as_ref().unwrap_err().to_string(),
+        "Session not found",
+        "unexpected result: {:?}",
+        result
+    );
+}
+
+#[gpui::test]
+async fn test_tool_updates_to_completion(cx: &mut TestAppContext) {
+    let ThreadTest { thread, model, .. } = setup(cx, TestModel::Fake).await;
+    thread.update(cx, |thread, _cx| thread.add_tool(ThinkingTool));
+    let fake_model = model.as_fake();
+
+    let mut events = thread
+        .update(cx, |thread, cx| {
+            thread.send(UserMessageId::new(), ["Think"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    // Simulate streaming partial input.
+    let input = json!({});
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        LanguageModelToolUse {
+            id: "1".into(),
+            name: ThinkingTool::name().into(),
+            raw_input: input.to_string(),
+            input,
+            is_input_complete: false,
+        },
+    ));
+
+    // Input streaming completed
+    let input = json!({ "content": "Thinking hard!" });
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        LanguageModelToolUse {
+            id: "1".into(),
+            name: "thinking".into(),
+            raw_input: input.to_string(),
+            input,
+            is_input_complete: true,
+        },
+    ));
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    let tool_call = expect_tool_call(&mut events).await;
+    assert_eq!(
+        tool_call,
+        acp::ToolCall {
+            id: acp::ToolCallId("1".into()),
+            title: "Thinking".into(),
+            kind: acp::ToolKind::Think,
+            status: acp::ToolCallStatus::Pending,
+            content: vec![],
+            locations: vec![],
+            raw_input: Some(json!({})),
+            raw_output: None,
+        }
+    );
+    let update = expect_tool_call_update_fields(&mut events).await;
+    assert_eq!(
+        update,
+        acp::ToolCallUpdate {
+            id: acp::ToolCallId("1".into()),
+            fields: acp::ToolCallUpdateFields {
+                title: Some("Thinking".into()),
+                kind: Some(acp::ToolKind::Think),
+                raw_input: Some(json!({ "content": "Thinking hard!" })),
+                ..Default::default()
+            },
+        }
+    );
+    let update = expect_tool_call_update_fields(&mut events).await;
+    assert_eq!(
+        update,
+        acp::ToolCallUpdate {
+            id: acp::ToolCallId("1".into()),
+            fields: acp::ToolCallUpdateFields {
+                status: Some(acp::ToolCallStatus::InProgress),
+                ..Default::default()
+            },
+        }
+    );
+    let update = expect_tool_call_update_fields(&mut events).await;
+    assert_eq!(
+        update,
+        acp::ToolCallUpdate {
+            id: acp::ToolCallId("1".into()),
+            fields: acp::ToolCallUpdateFields {
+                content: Some(vec!["Thinking hard!".into()]),
+                ..Default::default()
+            },
+        }
+    );
+    let update = expect_tool_call_update_fields(&mut events).await;
+    assert_eq!(
+        update,
+        acp::ToolCallUpdate {
+            id: acp::ToolCallId("1".into()),
+            fields: acp::ToolCallUpdateFields {
+                status: Some(acp::ToolCallStatus::Completed),
+                raw_output: Some("Finished thinking.".into()),
+                ..Default::default()
+            },
+        }
+    );
+}
+
+#[gpui::test]
+async fn test_send_no_retry_on_success(cx: &mut TestAppContext) {
+    let ThreadTest { thread, model, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let mut events = thread
+        .update(cx, |thread, cx| {
+            thread.set_completion_mode(agent_settings::CompletionMode::Burn, cx);
+            thread.send(UserMessageId::new(), ["Hello!"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    fake_model.send_last_completion_stream_text_chunk("Hey!");
+    fake_model.end_last_completion_stream();
+
+    let mut retry_events = Vec::new();
+    while let Some(Ok(event)) = events.next().await {
+        match event {
+            ThreadEvent::Retry(retry_status) => {
+                retry_events.push(retry_status);
+            }
+            ThreadEvent::Stop(..) => break,
+            _ => {}
+        }
+    }
+
+    assert_eq!(retry_events.len(), 0);
+    thread.read_with(cx, |thread, _cx| {
+        assert_eq!(
+            thread.to_markdown(),
+            indoc! {"
+                ## User
+
+                Hello!
+
+                ## Assistant
+
+                Hey!
+            "}
+        )
+    });
+}
+
+#[gpui::test]
+async fn test_send_retry_on_error(cx: &mut TestAppContext) {
+    let ThreadTest { thread, model, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let mut events = thread
+        .update(cx, |thread, cx| {
+            thread.set_completion_mode(agent_settings::CompletionMode::Burn, cx);
+            thread.send(UserMessageId::new(), ["Hello!"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    fake_model.send_last_completion_stream_text_chunk("Hey,");
+    fake_model.send_last_completion_stream_error(LanguageModelCompletionError::ServerOverloaded {
+        provider: LanguageModelProviderName::new("Anthropic"),
+        retry_after: Some(Duration::from_secs(3)),
+    });
+    fake_model.end_last_completion_stream();
+
+    cx.executor().advance_clock(Duration::from_secs(3));
+    cx.run_until_parked();
+
+    fake_model.send_last_completion_stream_text_chunk("there!");
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    let mut retry_events = Vec::new();
+    while let Some(Ok(event)) = events.next().await {
+        match event {
+            ThreadEvent::Retry(retry_status) => {
+                retry_events.push(retry_status);
+            }
+            ThreadEvent::Stop(..) => break,
+            _ => {}
+        }
+    }
+
+    assert_eq!(retry_events.len(), 1);
+    assert!(matches!(
+        retry_events[0],
+        acp_thread::RetryStatus { attempt: 1, .. }
+    ));
+    thread.read_with(cx, |thread, _cx| {
+        assert_eq!(
+            thread.to_markdown(),
+            indoc! {"
+                ## User
+
+                Hello!
+
+                ## Assistant
+
+                Hey,
+
+                [resume]
+
+                ## Assistant
+
+                there!
+            "}
+        )
+    });
+}
+
+#[gpui::test]
+async fn test_send_retry_finishes_tool_calls_on_error(cx: &mut TestAppContext) {
+    let ThreadTest { thread, model, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let events = thread
+        .update(cx, |thread, cx| {
+            thread.set_completion_mode(agent_settings::CompletionMode::Burn, cx);
+            thread.add_tool(EchoTool);
+            thread.send(UserMessageId::new(), ["Call the echo tool!"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    let tool_use_1 = LanguageModelToolUse {
+        id: "tool_1".into(),
+        name: EchoTool::name().into(),
+        raw_input: json!({"text": "test"}).to_string(),
+        input: json!({"text": "test"}),
+        is_input_complete: true,
+    };
+    fake_model.send_last_completion_stream_event(LanguageModelCompletionEvent::ToolUse(
+        tool_use_1.clone(),
+    ));
+    fake_model.send_last_completion_stream_error(LanguageModelCompletionError::ServerOverloaded {
+        provider: LanguageModelProviderName::new("Anthropic"),
+        retry_after: Some(Duration::from_secs(3)),
+    });
+    fake_model.end_last_completion_stream();
+
+    cx.executor().advance_clock(Duration::from_secs(3));
+    let completion = fake_model.pending_completions().pop().unwrap();
+    assert_eq!(
+        completion.messages[1..],
+        vec![
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["Call the echo tool!".into()],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::Assistant,
+                content: vec![language_model::MessageContent::ToolUse(tool_use_1.clone())],
+                cache: false
+            },
+            LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec![language_model::MessageContent::ToolResult(
+                    LanguageModelToolResult {
+                        tool_use_id: tool_use_1.id.clone(),
+                        tool_name: tool_use_1.name.clone(),
+                        is_error: false,
+                        content: "test".into(),
+                        output: Some("test".into())
+                    }
+                )],
+                cache: true
+            },
+        ]
+    );
+
+    fake_model.send_last_completion_stream_text_chunk("Done");
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+    events.collect::<Vec<_>>().await;
+    thread.read_with(cx, |thread, _cx| {
+        assert_eq!(
+            thread.last_message(),
+            Some(Message::Agent(AgentMessage {
+                content: vec![AgentMessageContent::Text("Done".into())],
+                tool_results: IndexMap::default()
+            }))
+        );
+    })
+}
+
+#[gpui::test]
+async fn test_send_max_retries_exceeded(cx: &mut TestAppContext) {
+    let ThreadTest { thread, model, .. } = setup(cx, TestModel::Fake).await;
+    let fake_model = model.as_fake();
+
+    let mut events = thread
+        .update(cx, |thread, cx| {
+            thread.set_completion_mode(agent_settings::CompletionMode::Burn, cx);
+            thread.send(UserMessageId::new(), ["Hello!"], cx)
+        })
+        .unwrap();
+    cx.run_until_parked();
+
+    for _ in 0..crate::thread::MAX_RETRY_ATTEMPTS + 1 {
+        fake_model.send_last_completion_stream_error(
+            LanguageModelCompletionError::ServerOverloaded {
+                provider: LanguageModelProviderName::new("Anthropic"),
+                retry_after: Some(Duration::from_secs(3)),
+            },
+        );
+        fake_model.end_last_completion_stream();
+        cx.executor().advance_clock(Duration::from_secs(3));
+        cx.run_until_parked();
+    }
+
+    let mut errors = Vec::new();
+    let mut retry_events = Vec::new();
+    while let Some(event) = events.next().await {
+        match event {
+            Ok(ThreadEvent::Retry(retry_status)) => {
+                retry_events.push(retry_status);
+            }
+            Ok(ThreadEvent::Stop(..)) => break,
+            Err(error) => errors.push(error),
+            _ => {}
+        }
+    }
+
+    assert_eq!(
+        retry_events.len(),
+        crate::thread::MAX_RETRY_ATTEMPTS as usize
+    );
+    for i in 0..crate::thread::MAX_RETRY_ATTEMPTS as usize {
+        assert_eq!(retry_events[i].attempt, i + 1);
+    }
+    assert_eq!(errors.len(), 1);
+    let error = errors[0]
+        .downcast_ref::<LanguageModelCompletionError>()
+        .unwrap();
+    assert!(matches!(
+        error,
+        LanguageModelCompletionError::ServerOverloaded { .. }
+    ));
+}
+
+/// Filters out the stop events for asserting against in tests
+fn stop_events(result_events: Vec<Result<ThreadEvent>>) -> Vec<acp::StopReason> {
+    result_events
+        .into_iter()
+        .filter_map(|event| match event.unwrap() {
+            ThreadEvent::Stop(stop_reason) => Some(stop_reason),
+            _ => None,
+        })
+        .collect()
+}
+
+struct ThreadTest {
+    model: Arc<dyn LanguageModel>,
+    thread: Entity<Thread>,
+    project_context: Entity<ProjectContext>,
+    context_server_store: Entity<ContextServerStore>,
+    fs: Arc<FakeFs>,
+}
+
+enum TestModel {
+    Sonnet4,
+    Fake,
+}
+
+impl TestModel {
+    fn id(&self) -> LanguageModelId {
+        match self {
+            TestModel::Sonnet4 => LanguageModelId("claude-sonnet-4-latest".into()),
+            TestModel::Fake => unreachable!(),
+        }
+    }
+}
+
+async fn setup(cx: &mut TestAppContext, model: TestModel) -> ThreadTest {
+    cx.executor().allow_parking();
+
+    let fs = FakeFs::new(cx.background_executor.clone());
+    fs.create_dir(paths::settings_file().parent().unwrap())
+        .await
+        .unwrap();
+    fs.insert_file(
+        paths::settings_file(),
+        json!({
+            "agent": {
+                "default_profile": "test-profile",
+                "profiles": {
+                    "test-profile": {
+                        "name": "Test Profile",
+                        "tools": {
+                            EchoTool::name(): true,
+                            DelayTool::name(): true,
+                            WordListTool::name(): true,
+                            ToolRequiringPermission::name(): true,
+                            InfiniteTool::name(): true,
+                            ThinkingTool::name(): true,
+                        }
+                    }
+                }
+            }
+        })
+        .to_string()
+        .into_bytes(),
+    )
+    .await;
+
+    cx.update(|cx| {
+        settings::init(cx);
+        Project::init_settings(cx);
+        agent_settings::init(cx);
+        gpui_tokio::init(cx);
+        let http_client = ReqwestClient::user_agent("agent tests").unwrap();
+        cx.set_http_client(Arc::new(http_client));
+
+        client::init_settings(cx);
+        let client = Client::production(cx);
+        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
+        language_model::init(client.clone(), cx);
+        language_models::init(user_store, client.clone(), cx);
+
+        watch_settings(fs.clone(), cx);
+    });
+
+    let templates = Templates::new();
+
+    fs.insert_tree(path!("/test"), json!({})).await;
+    let project = Project::test(fs.clone(), [path!("/test").as_ref()], cx).await;
+
+    let model = cx
+        .update(|cx| {
+            if let TestModel::Fake = model {
+                Task::ready(Arc::new(FakeLanguageModel::default()) as Arc<_>)
+            } else {
+                let model_id = model.id();
+                let models = LanguageModelRegistry::read_global(cx);
+                let model = models
+                    .available_models(cx)
+                    .find(|model| model.id() == model_id)
+                    .unwrap();
+
+                let provider = models.provider(&model.provider_id()).unwrap();
+                let authenticated = provider.authenticate(cx);
+
+                cx.spawn(async move |_cx| {
+                    authenticated.await.unwrap();
+                    model
+                })
+            }
+        })
+        .await;
+
+    let project_context = cx.new(|_cx| ProjectContext::default());
+    let context_server_store = project.read_with(cx, |project, _| project.context_server_store());
+    let context_server_registry =
+        cx.new(|cx| ContextServerRegistry::new(context_server_store.clone(), cx));
+    let thread = cx.new(|cx| {
+        Thread::new(
+            project,
+            project_context.clone(),
+            context_server_registry,
+            templates,
+            Some(model.clone()),
+            cx,
+        )
+    });
+    ThreadTest {
+        model,
+        thread,
+        project_context,
+        context_server_store,
+        fs,
+    }
+}
+
+#[cfg(test)]
+#[ctor::ctor]
+fn init_logger() {
+    if std::env::var("RUST_LOG").is_ok() {
+        env_logger::init();
+    }
+}
+
+fn watch_settings(fs: Arc<dyn Fs>, cx: &mut App) {
+    let fs = fs.clone();
+    cx.spawn({
+        async move |cx| {
+            let mut new_settings_content_rx = settings::watch_config_file(
+                cx.background_executor(),
+                fs,
+                paths::settings_file().clone(),
+            );
+
+            while let Some(new_settings_content) = new_settings_content_rx.next().await {
+                cx.update(|cx| {
+                    SettingsStore::update_global(cx, |settings, cx| {
+                        settings.set_user_settings(&new_settings_content, cx)
+                    })
+                })
+                .ok();
+            }
+        }
+    })
+    .detach();
+}
+
+fn tool_names_for_completion(completion: &LanguageModelRequest) -> Vec<String> {
+    completion
+        .tools
+        .iter()
+        .map(|tool| tool.name.clone())
+        .collect()
+}
+
+fn setup_context_server(
+    name: &'static str,
+    tools: Vec<context_server::types::Tool>,
+    context_server_store: &Entity<ContextServerStore>,
+    cx: &mut TestAppContext,
+) -> mpsc::UnboundedReceiver<(
+    context_server::types::CallToolParams,
+    oneshot::Sender<context_server::types::CallToolResponse>,
+)> {
+    cx.update(|cx| {
+        let mut settings = ProjectSettings::get_global(cx).clone();
+        settings.context_servers.insert(
+            name.into(),
+            project::project_settings::ContextServerSettings::Custom {
+                enabled: true,
+                command: ContextServerCommand {
+                    path: "somebinary".into(),
+                    args: Vec::new(),
+                    env: None,
+                },
+            },
+        );
+        ProjectSettings::override_global(settings, cx);
+    });
+
+    let (mcp_tool_calls_tx, mcp_tool_calls_rx) = mpsc::unbounded();
+    let fake_transport = context_server::test::create_fake_transport(name, cx.executor())
+        .on_request::<context_server::types::requests::Initialize, _>(move |_params| async move {
+            context_server::types::InitializeResponse {
+                protocol_version: context_server::types::ProtocolVersion(
+                    context_server::types::LATEST_PROTOCOL_VERSION.to_string(),
+                ),
+                server_info: context_server::types::Implementation {
+                    name: name.into(),
+                    version: "1.0.0".to_string(),
+                },
+                capabilities: context_server::types::ServerCapabilities {
+                    tools: Some(context_server::types::ToolsCapabilities {
+                        list_changed: Some(true),
+                    }),
+                    ..Default::default()
+                },
+                meta: None,
+            }
+        })
+        .on_request::<context_server::types::requests::ListTools, _>(move |_params| {
+            let tools = tools.clone();
+            async move {
+                context_server::types::ListToolsResponse {
+                    tools,
+                    next_cursor: None,
+                    meta: None,
+                }
+            }
+        })
+        .on_request::<context_server::types::requests::CallTool, _>(move |params| {
+            let mcp_tool_calls_tx = mcp_tool_calls_tx.clone();
+            async move {
+                let (response_tx, response_rx) = oneshot::channel();
+                mcp_tool_calls_tx
+                    .unbounded_send((params, response_tx))
+                    .unwrap();
+                response_rx.await.unwrap()
+            }
+        });
+    context_server_store.update(cx, |store, cx| {
+        store.start_server(
+            Arc::new(ContextServer::new(
+                ContextServerId(name.into()),
+                Arc::new(fake_transport),
+            )),
+            cx,
+        );
+    });
+    cx.run_until_parked();
+    mcp_tool_calls_rx
+}
diff --git a/crates/agent2/src/tests/test_tools.rs b/crates/agent2/src/tests/test_tools.rs
new file mode 100644
index 0000000000..27be7b6ac3
--- /dev/null
+++ b/crates/agent2/src/tests/test_tools.rs
@@ -0,0 +1,201 @@
+use super::*;
+use anyhow::Result;
+use gpui::{App, SharedString, Task};
+use std::future;
+
+/// A tool that echoes its input
+#[derive(JsonSchema, Serialize, Deserialize)]
+pub struct EchoToolInput {
+    /// The text to echo.
+    pub text: String,
+}
+
+pub struct EchoTool;
+
+impl AgentTool for EchoTool {
+    type Input = EchoToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "echo"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Other
+    }
+
+    fn initial_title(&self, _input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        "Echo".into()
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        _cx: &mut App,
+    ) -> Task<Result<String>> {
+        Task::ready(Ok(input.text))
+    }
+}
+
+/// A tool that waits for a specified delay
+#[derive(JsonSchema, Serialize, Deserialize)]
+pub struct DelayToolInput {
+    /// The delay in milliseconds.
+    ms: u64,
+}
+
+pub struct DelayTool;
+
+impl AgentTool for DelayTool {
+    type Input = DelayToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "delay"
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        if let Ok(input) = input {
+            format!("Delay {}ms", input.ms).into()
+        } else {
+            "Delay".into()
+        }
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Other
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<String>>
+    where
+        Self: Sized,
+    {
+        cx.foreground_executor().spawn(async move {
+            smol::Timer::after(Duration::from_millis(input.ms)).await;
+            Ok("Ding".to_string())
+        })
+    }
+}
+
+#[derive(JsonSchema, Serialize, Deserialize)]
+pub struct ToolRequiringPermissionInput {}
+
+pub struct ToolRequiringPermission;
+
+impl AgentTool for ToolRequiringPermission {
+    type Input = ToolRequiringPermissionInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "tool_requiring_permission"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Other
+    }
+
+    fn initial_title(&self, _input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        "This tool requires permission".into()
+    }
+
+    fn run(
+        self: Arc<Self>,
+        _input: Self::Input,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<String>> {
+        let authorize = event_stream.authorize("Authorize?", cx);
+        cx.foreground_executor().spawn(async move {
+            authorize.await?;
+            Ok("Allowed".to_string())
+        })
+    }
+}
+
+#[derive(JsonSchema, Serialize, Deserialize)]
+pub struct InfiniteToolInput {}
+
+pub struct InfiniteTool;
+
+impl AgentTool for InfiniteTool {
+    type Input = InfiniteToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "infinite"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Other
+    }
+
+    fn initial_title(&self, _input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        "Infinite Tool".into()
+    }
+
+    fn run(
+        self: Arc<Self>,
+        _input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<String>> {
+        cx.foreground_executor().spawn(async move {
+            future::pending::<()>().await;
+            unreachable!()
+        })
+    }
+}
+
+/// A tool that takes an object with map from letters to random words starting with that letter.
+/// All fiealds are required! Pass a word for every letter!
+#[derive(JsonSchema, Serialize, Deserialize)]
+pub struct WordListInput {
+    /// Provide a random word that starts with A.
+    a: Option<String>,
+    /// Provide a random word that starts with B.
+    b: Option<String>,
+    /// Provide a random word that starts with C.
+    c: Option<String>,
+    /// Provide a random word that starts with D.
+    d: Option<String>,
+    /// Provide a random word that starts with E.
+    e: Option<String>,
+    /// Provide a random word that starts with F.
+    f: Option<String>,
+    /// Provide a random word that starts with G.
+    g: Option<String>,
+}
+
+pub struct WordListTool;
+
+impl AgentTool for WordListTool {
+    type Input = WordListInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "word_list"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Other
+    }
+
+    fn initial_title(&self, _input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        "List of random words".into()
+    }
+
+    fn run(
+        self: Arc<Self>,
+        _input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        _cx: &mut App,
+    ) -> Task<Result<String>> {
+        Task::ready(Ok("ok".to_string()))
+    }
+}
diff --git a/crates/agent2/src/thread.rs b/crates/agent2/src/thread.rs
new file mode 100644
index 0000000000..97ea1caf1d
--- /dev/null
+++ b/crates/agent2/src/thread.rs
@@ -0,0 +1,2615 @@
+use crate::{
+    ContextServerRegistry, CopyPathTool, CreateDirectoryTool, DbLanguageModel, DbThread,
+    DeletePathTool, DiagnosticsTool, EditFileTool, FetchTool, FindPathTool, GrepTool,
+    ListDirectoryTool, MovePathTool, NowTool, OpenTool, ReadFileTool, SystemPromptTemplate,
+    Template, Templates, TerminalTool, ThinkingTool, WebSearchTool,
+};
+use acp_thread::{MentionUri, UserMessageId};
+use action_log::ActionLog;
+use agent::thread::{GitState, ProjectSnapshot, WorktreeSnapshot};
+use agent_client_protocol as acp;
+use agent_settings::{
+    AgentProfileId, AgentProfileSettings, AgentSettings, CompletionMode,
+    SUMMARIZE_THREAD_DETAILED_PROMPT, SUMMARIZE_THREAD_PROMPT,
+};
+use anyhow::{Context as _, Result, anyhow};
+use assistant_tool::adapt_schema_to_format;
+use chrono::{DateTime, Utc};
+use client::{ModelRequestUsage, RequestUsage};
+use cloud_llm_client::{CompletionIntent, CompletionRequestStatus, UsageLimit};
+use collections::{HashMap, HashSet, IndexMap};
+use fs::Fs;
+use futures::{
+    FutureExt,
+    channel::{mpsc, oneshot},
+    future::Shared,
+    stream::FuturesUnordered,
+};
+use git::repository::DiffType;
+use gpui::{
+    App, AppContext, AsyncApp, Context, Entity, EventEmitter, SharedString, Task, WeakEntity,
+};
+use language_model::{
+    LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent, LanguageModelExt,
+    LanguageModelImage, LanguageModelProviderId, LanguageModelRegistry, LanguageModelRequest,
+    LanguageModelRequestMessage, LanguageModelRequestTool, LanguageModelToolResult,
+    LanguageModelToolResultContent, LanguageModelToolSchemaFormat, LanguageModelToolUse,
+    LanguageModelToolUseId, Role, SelectedModel, StopReason, TokenUsage,
+};
+use project::{
+    Project,
+    git_store::{GitStore, RepositoryState},
+};
+use prompt_store::ProjectContext;
+use schemars::{JsonSchema, Schema};
+use serde::{Deserialize, Serialize};
+use settings::{Settings, update_settings_file};
+use smol::stream::StreamExt;
+use std::fmt::Write;
+use std::{
+    collections::BTreeMap,
+    ops::RangeInclusive,
+    path::Path,
+    sync::Arc,
+    time::{Duration, Instant},
+};
+use util::{ResultExt, debug_panic, markdown::MarkdownCodeBlock};
+use uuid::Uuid;
+
+const TOOL_CANCELED_MESSAGE: &str = "Tool canceled by user";
+pub const MAX_TOOL_NAME_LENGTH: usize = 64;
+
+/// The ID of the user prompt that initiated a request.
+///
+/// This equates to the user physically submitting a message to the model (e.g., by pressing the Enter key).
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Serialize, Deserialize)]
+pub struct PromptId(Arc<str>);
+
+impl PromptId {
+    pub fn new() -> Self {
+        Self(Uuid::new_v4().to_string().into())
+    }
+}
+
+impl std::fmt::Display for PromptId {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.0)
+    }
+}
+
+pub(crate) const MAX_RETRY_ATTEMPTS: u8 = 4;
+pub(crate) const BASE_RETRY_DELAY: Duration = Duration::from_secs(5);
+
+#[derive(Debug, Clone)]
+enum RetryStrategy {
+    ExponentialBackoff {
+        initial_delay: Duration,
+        max_attempts: u8,
+    },
+    Fixed {
+        delay: Duration,
+        max_attempts: u8,
+    },
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub enum Message {
+    User(UserMessage),
+    Agent(AgentMessage),
+    Resume,
+}
+
+impl Message {
+    pub fn as_agent_message(&self) -> Option<&AgentMessage> {
+        match self {
+            Message::Agent(agent_message) => Some(agent_message),
+            _ => None,
+        }
+    }
+
+    pub fn to_request(&self) -> Vec<LanguageModelRequestMessage> {
+        match self {
+            Message::User(message) => vec![message.to_request()],
+            Message::Agent(message) => message.to_request(),
+            Message::Resume => vec![LanguageModelRequestMessage {
+                role: Role::User,
+                content: vec!["Continue where you left off".into()],
+                cache: false,
+            }],
+        }
+    }
+
+    pub fn to_markdown(&self) -> String {
+        match self {
+            Message::User(message) => message.to_markdown(),
+            Message::Agent(message) => message.to_markdown(),
+            Message::Resume => "[resume]\n".into(),
+        }
+    }
+
+    pub fn role(&self) -> Role {
+        match self {
+            Message::User(_) | Message::Resume => Role::User,
+            Message::Agent(_) => Role::Assistant,
+        }
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct UserMessage {
+    pub id: UserMessageId,
+    pub content: Vec<UserMessageContent>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub enum UserMessageContent {
+    Text(String),
+    Mention { uri: MentionUri, content: String },
+    Image(LanguageModelImage),
+}
+
+impl UserMessage {
+    pub fn to_markdown(&self) -> String {
+        let mut markdown = String::from("## User\n\n");
+
+        for content in &self.content {
+            match content {
+                UserMessageContent::Text(text) => {
+                    markdown.push_str(text);
+                    markdown.push('\n');
+                }
+                UserMessageContent::Image(_) => {
+                    markdown.push_str("<image />\n");
+                }
+                UserMessageContent::Mention { uri, content } => {
+                    if !content.is_empty() {
+                        let _ = writeln!(&mut markdown, "{}\n\n{}", uri.as_link(), content);
+                    } else {
+                        let _ = writeln!(&mut markdown, "{}", uri.as_link());
+                    }
+                }
+            }
+        }
+
+        markdown
+    }
+
+    fn to_request(&self) -> LanguageModelRequestMessage {
+        let mut message = LanguageModelRequestMessage {
+            role: Role::User,
+            content: Vec::with_capacity(self.content.len()),
+            cache: false,
+        };
+
+        const OPEN_CONTEXT: &str = "<context>\n\
+            The following items were attached by the user. \
+            They are up-to-date and don't need to be re-read.\n\n";
+
+        const OPEN_FILES_TAG: &str = "<files>";
+        const OPEN_DIRECTORIES_TAG: &str = "<directories>";
+        const OPEN_SYMBOLS_TAG: &str = "<symbols>";
+        const OPEN_SELECTIONS_TAG: &str = "<selections>";
+        const OPEN_THREADS_TAG: &str = "<threads>";
+        const OPEN_FETCH_TAG: &str = "<fetched_urls>";
+        const OPEN_RULES_TAG: &str =
+            "<rules>\nThe user has specified the following rules that should be applied:\n";
+
+        let mut file_context = OPEN_FILES_TAG.to_string();
+        let mut directory_context = OPEN_DIRECTORIES_TAG.to_string();
+        let mut symbol_context = OPEN_SYMBOLS_TAG.to_string();
+        let mut selection_context = OPEN_SELECTIONS_TAG.to_string();
+        let mut thread_context = OPEN_THREADS_TAG.to_string();
+        let mut fetch_context = OPEN_FETCH_TAG.to_string();
+        let mut rules_context = OPEN_RULES_TAG.to_string();
+
+        for chunk in &self.content {
+            let chunk = match chunk {
+                UserMessageContent::Text(text) => {
+                    language_model::MessageContent::Text(text.clone())
+                }
+                UserMessageContent::Image(value) => {
+                    language_model::MessageContent::Image(value.clone())
+                }
+                UserMessageContent::Mention { uri, content } => {
+                    match uri {
+                        MentionUri::File { abs_path } => {
+                            write!(
+                                &mut file_context,
+                                "\n{}",
+                                MarkdownCodeBlock {
+                                    tag: &codeblock_tag(abs_path, None),
+                                    text: &content.to_string(),
+                                }
+                            )
+                            .ok();
+                        }
+                        MentionUri::PastedImage => {
+                            debug_panic!("pasted image URI should not be used in mention content")
+                        }
+                        MentionUri::Directory { .. } => {
+                            write!(&mut directory_context, "\n{}\n", content).ok();
+                        }
+                        MentionUri::Symbol {
+                            abs_path: path,
+                            line_range,
+                            ..
+                        } => {
+                            write!(
+                                &mut symbol_context,
+                                "\n{}",
+                                MarkdownCodeBlock {
+                                    tag: &codeblock_tag(path, Some(line_range)),
+                                    text: content
+                                }
+                            )
+                            .ok();
+                        }
+                        MentionUri::Selection {
+                            abs_path: path,
+                            line_range,
+                            ..
+                        } => {
+                            write!(
+                                &mut selection_context,
+                                "\n{}",
+                                MarkdownCodeBlock {
+                                    tag: &codeblock_tag(
+                                        path.as_deref().unwrap_or("Untitled".as_ref()),
+                                        Some(line_range)
+                                    ),
+                                    text: content
+                                }
+                            )
+                            .ok();
+                        }
+                        MentionUri::Thread { .. } => {
+                            write!(&mut thread_context, "\n{}\n", content).ok();
+                        }
+                        MentionUri::TextThread { .. } => {
+                            write!(&mut thread_context, "\n{}\n", content).ok();
+                        }
+                        MentionUri::Rule { .. } => {
+                            write!(
+                                &mut rules_context,
+                                "\n{}",
+                                MarkdownCodeBlock {
+                                    tag: "",
+                                    text: content
+                                }
+                            )
+                            .ok();
+                        }
+                        MentionUri::Fetch { url } => {
+                            write!(&mut fetch_context, "\nFetch: {}\n\n{}", url, content).ok();
+                        }
+                    }
+
+                    language_model::MessageContent::Text(uri.as_link().to_string())
+                }
+            };
+
+            message.content.push(chunk);
+        }
+
+        let len_before_context = message.content.len();
+
+        if file_context.len() > OPEN_FILES_TAG.len() {
+            file_context.push_str("</files>\n");
+            message
+                .content
+                .push(language_model::MessageContent::Text(file_context));
+        }
+
+        if directory_context.len() > OPEN_DIRECTORIES_TAG.len() {
+            directory_context.push_str("</directories>\n");
+            message
+                .content
+                .push(language_model::MessageContent::Text(directory_context));
+        }
+
+        if symbol_context.len() > OPEN_SYMBOLS_TAG.len() {
+            symbol_context.push_str("</symbols>\n");
+            message
+                .content
+                .push(language_model::MessageContent::Text(symbol_context));
+        }
+
+        if selection_context.len() > OPEN_SELECTIONS_TAG.len() {
+            selection_context.push_str("</selections>\n");
+            message
+                .content
+                .push(language_model::MessageContent::Text(selection_context));
+        }
+
+        if thread_context.len() > OPEN_THREADS_TAG.len() {
+            thread_context.push_str("</threads>\n");
+            message
+                .content
+                .push(language_model::MessageContent::Text(thread_context));
+        }
+
+        if fetch_context.len() > OPEN_FETCH_TAG.len() {
+            fetch_context.push_str("</fetched_urls>\n");
+            message
+                .content
+                .push(language_model::MessageContent::Text(fetch_context));
+        }
+
+        if rules_context.len() > OPEN_RULES_TAG.len() {
+            rules_context.push_str("</user_rules>\n");
+            message
+                .content
+                .push(language_model::MessageContent::Text(rules_context));
+        }
+
+        if message.content.len() > len_before_context {
+            message.content.insert(
+                len_before_context,
+                language_model::MessageContent::Text(OPEN_CONTEXT.into()),
+            );
+            message
+                .content
+                .push(language_model::MessageContent::Text("</context>".into()));
+        }
+
+        message
+    }
+}
+
+fn codeblock_tag(full_path: &Path, line_range: Option<&RangeInclusive<u32>>) -> String {
+    let mut result = String::new();
+
+    if let Some(extension) = full_path.extension().and_then(|ext| ext.to_str()) {
+        let _ = write!(result, "{} ", extension);
+    }
+
+    let _ = write!(result, "{}", full_path.display());
+
+    if let Some(range) = line_range {
+        if range.start() == range.end() {
+            let _ = write!(result, ":{}", range.start() + 1);
+        } else {
+            let _ = write!(result, ":{}-{}", range.start() + 1, range.end() + 1);
+        }
+    }
+
+    result
+}
+
+impl AgentMessage {
+    pub fn to_markdown(&self) -> String {
+        let mut markdown = String::from("## Assistant\n\n");
+
+        for content in &self.content {
+            match content {
+                AgentMessageContent::Text(text) => {
+                    markdown.push_str(text);
+                    markdown.push('\n');
+                }
+                AgentMessageContent::Thinking { text, .. } => {
+                    markdown.push_str("<think>");
+                    markdown.push_str(text);
+                    markdown.push_str("</think>\n");
+                }
+                AgentMessageContent::RedactedThinking(_) => {
+                    markdown.push_str("<redacted_thinking />\n")
+                }
+                AgentMessageContent::ToolUse(tool_use) => {
+                    markdown.push_str(&format!(
+                        "**Tool Use**: {} (ID: {})\n",
+                        tool_use.name, tool_use.id
+                    ));
+                    markdown.push_str(&format!(
+                        "{}\n",
+                        MarkdownCodeBlock {
+                            tag: "json",
+                            text: &format!("{:#}", tool_use.input)
+                        }
+                    ));
+                }
+            }
+        }
+
+        for tool_result in self.tool_results.values() {
+            markdown.push_str(&format!(
+                "**Tool Result**: {} (ID: {})\n\n",
+                tool_result.tool_name, tool_result.tool_use_id
+            ));
+            if tool_result.is_error {
+                markdown.push_str("**ERROR:**\n");
+            }
+
+            match &tool_result.content {
+                LanguageModelToolResultContent::Text(text) => {
+                    writeln!(markdown, "{text}\n").ok();
+                }
+                LanguageModelToolResultContent::Image(_) => {
+                    writeln!(markdown, "<image />\n").ok();
+                }
+            }
+
+            if let Some(output) = tool_result.output.as_ref() {
+                writeln!(
+                    markdown,
+                    "**Debug Output**:\n\n```json\n{}\n```\n",
+                    serde_json::to_string_pretty(output).unwrap()
+                )
+                .unwrap();
+            }
+        }
+
+        markdown
+    }
+
+    pub fn to_request(&self) -> Vec<LanguageModelRequestMessage> {
+        let mut assistant_message = LanguageModelRequestMessage {
+            role: Role::Assistant,
+            content: Vec::with_capacity(self.content.len()),
+            cache: false,
+        };
+        for chunk in &self.content {
+            match chunk {
+                AgentMessageContent::Text(text) => {
+                    assistant_message
+                        .content
+                        .push(language_model::MessageContent::Text(text.clone()));
+                }
+                AgentMessageContent::Thinking { text, signature } => {
+                    assistant_message
+                        .content
+                        .push(language_model::MessageContent::Thinking {
+                            text: text.clone(),
+                            signature: signature.clone(),
+                        });
+                }
+                AgentMessageContent::RedactedThinking(value) => {
+                    assistant_message.content.push(
+                        language_model::MessageContent::RedactedThinking(value.clone()),
+                    );
+                }
+                AgentMessageContent::ToolUse(tool_use) => {
+                    if self.tool_results.contains_key(&tool_use.id) {
+                        assistant_message
+                            .content
+                            .push(language_model::MessageContent::ToolUse(tool_use.clone()));
+                    }
+                }
+            };
+        }
+
+        let mut user_message = LanguageModelRequestMessage {
+            role: Role::User,
+            content: Vec::new(),
+            cache: false,
+        };
+
+        for tool_result in self.tool_results.values() {
+            user_message
+                .content
+                .push(language_model::MessageContent::ToolResult(
+                    tool_result.clone(),
+                ));
+        }
+
+        let mut messages = Vec::new();
+        if !assistant_message.content.is_empty() {
+            messages.push(assistant_message);
+        }
+        if !user_message.content.is_empty() {
+            messages.push(user_message);
+        }
+        messages
+    }
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct AgentMessage {
+    pub content: Vec<AgentMessageContent>,
+    pub tool_results: IndexMap<LanguageModelToolUseId, LanguageModelToolResult>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub enum AgentMessageContent {
+    Text(String),
+    Thinking {
+        text: String,
+        signature: Option<String>,
+    },
+    RedactedThinking(String),
+    ToolUse(LanguageModelToolUse),
+}
+
+#[derive(Debug)]
+pub enum ThreadEvent {
+    UserMessage(UserMessage),
+    AgentText(String),
+    AgentThinking(String),
+    ToolCall(acp::ToolCall),
+    ToolCallUpdate(acp_thread::ToolCallUpdate),
+    ToolCallAuthorization(ToolCallAuthorization),
+    Retry(acp_thread::RetryStatus),
+    Stop(acp::StopReason),
+}
+
+#[derive(Debug)]
+pub struct ToolCallAuthorization {
+    pub tool_call: acp::ToolCallUpdate,
+    pub options: Vec<acp::PermissionOption>,
+    pub response: oneshot::Sender<acp::PermissionOptionId>,
+}
+
+#[derive(Debug, thiserror::Error)]
+enum CompletionError {
+    #[error("max tokens")]
+    MaxTokens,
+    #[error("refusal")]
+    Refusal,
+    #[error(transparent)]
+    Other(#[from] anyhow::Error),
+}
+
+pub struct Thread {
+    id: acp::SessionId,
+    prompt_id: PromptId,
+    updated_at: DateTime<Utc>,
+    title: Option<SharedString>,
+    pending_title_generation: Option<Task<()>>,
+    summary: Option<SharedString>,
+    messages: Vec<Message>,
+    completion_mode: CompletionMode,
+    /// Holds the task that handles agent interaction until the end of the turn.
+    /// Survives across multiple requests as the model performs tool calls and
+    /// we run tools, report their results.
+    running_turn: Option<RunningTurn>,
+    pending_message: Option<AgentMessage>,
+    tools: BTreeMap<SharedString, Arc<dyn AnyAgentTool>>,
+    tool_use_limit_reached: bool,
+    request_token_usage: HashMap<UserMessageId, language_model::TokenUsage>,
+    #[allow(unused)]
+    cumulative_token_usage: TokenUsage,
+    #[allow(unused)]
+    initial_project_snapshot: Shared<Task<Option<Arc<ProjectSnapshot>>>>,
+    context_server_registry: Entity<ContextServerRegistry>,
+    profile_id: AgentProfileId,
+    project_context: Entity<ProjectContext>,
+    templates: Arc<Templates>,
+    model: Option<Arc<dyn LanguageModel>>,
+    summarization_model: Option<Arc<dyn LanguageModel>>,
+    prompt_capabilities_tx: watch::Sender<acp::PromptCapabilities>,
+    pub(crate) prompt_capabilities_rx: watch::Receiver<acp::PromptCapabilities>,
+    pub(crate) project: Entity<Project>,
+    pub(crate) action_log: Entity<ActionLog>,
+}
+
+impl Thread {
+    fn prompt_capabilities(model: Option<&dyn LanguageModel>) -> acp::PromptCapabilities {
+        let image = model.map_or(true, |model| model.supports_images());
+        acp::PromptCapabilities {
+            image,
+            audio: false,
+            embedded_context: true,
+        }
+    }
+
+    pub fn new(
+        project: Entity<Project>,
+        project_context: Entity<ProjectContext>,
+        context_server_registry: Entity<ContextServerRegistry>,
+        templates: Arc<Templates>,
+        model: Option<Arc<dyn LanguageModel>>,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let profile_id = AgentSettings::get_global(cx).default_profile.clone();
+        let action_log = cx.new(|_cx| ActionLog::new(project.clone()));
+        let (prompt_capabilities_tx, prompt_capabilities_rx) =
+            watch::channel(Self::prompt_capabilities(model.as_deref()));
+        Self {
+            id: acp::SessionId(uuid::Uuid::new_v4().to_string().into()),
+            prompt_id: PromptId::new(),
+            updated_at: Utc::now(),
+            title: None,
+            pending_title_generation: None,
+            summary: None,
+            messages: Vec::new(),
+            completion_mode: AgentSettings::get_global(cx).preferred_completion_mode,
+            running_turn: None,
+            pending_message: None,
+            tools: BTreeMap::default(),
+            tool_use_limit_reached: false,
+            request_token_usage: HashMap::default(),
+            cumulative_token_usage: TokenUsage::default(),
+            initial_project_snapshot: {
+                let project_snapshot = Self::project_snapshot(project.clone(), cx);
+                cx.foreground_executor()
+                    .spawn(async move { Some(project_snapshot.await) })
+                    .shared()
+            },
+            context_server_registry,
+            profile_id,
+            project_context,
+            templates,
+            model,
+            summarization_model: None,
+            prompt_capabilities_tx,
+            prompt_capabilities_rx,
+            project,
+            action_log,
+        }
+    }
+
+    pub fn id(&self) -> &acp::SessionId {
+        &self.id
+    }
+
+    pub fn replay(
+        &mut self,
+        cx: &mut Context<Self>,
+    ) -> mpsc::UnboundedReceiver<Result<ThreadEvent>> {
+        let (tx, rx) = mpsc::unbounded();
+        let stream = ThreadEventStream(tx);
+        for message in &self.messages {
+            match message {
+                Message::User(user_message) => stream.send_user_message(user_message),
+                Message::Agent(assistant_message) => {
+                    for content in &assistant_message.content {
+                        match content {
+                            AgentMessageContent::Text(text) => stream.send_text(text),
+                            AgentMessageContent::Thinking { text, .. } => {
+                                stream.send_thinking(text)
+                            }
+                            AgentMessageContent::RedactedThinking(_) => {}
+                            AgentMessageContent::ToolUse(tool_use) => {
+                                self.replay_tool_call(
+                                    tool_use,
+                                    assistant_message.tool_results.get(&tool_use.id),
+                                    &stream,
+                                    cx,
+                                );
+                            }
+                        }
+                    }
+                }
+                Message::Resume => {}
+            }
+        }
+        rx
+    }
+
+    fn replay_tool_call(
+        &self,
+        tool_use: &LanguageModelToolUse,
+        tool_result: Option<&LanguageModelToolResult>,
+        stream: &ThreadEventStream,
+        cx: &mut Context<Self>,
+    ) {
+        let tool = self.tools.get(tool_use.name.as_ref()).cloned().or_else(|| {
+            self.context_server_registry
+                .read(cx)
+                .servers()
+                .find_map(|(_, tools)| {
+                    if let Some(tool) = tools.get(tool_use.name.as_ref()) {
+                        Some(tool.clone())
+                    } else {
+                        None
+                    }
+                })
+        });
+
+        let Some(tool) = tool else {
+            stream
+                .0
+                .unbounded_send(Ok(ThreadEvent::ToolCall(acp::ToolCall {
+                    id: acp::ToolCallId(tool_use.id.to_string().into()),
+                    title: tool_use.name.to_string(),
+                    kind: acp::ToolKind::Other,
+                    status: acp::ToolCallStatus::Failed,
+                    content: Vec::new(),
+                    locations: Vec::new(),
+                    raw_input: Some(tool_use.input.clone()),
+                    raw_output: None,
+                })))
+                .ok();
+            return;
+        };
+
+        let title = tool.initial_title(tool_use.input.clone());
+        let kind = tool.kind();
+        stream.send_tool_call(&tool_use.id, title, kind, tool_use.input.clone());
+
+        let output = tool_result
+            .as_ref()
+            .and_then(|result| result.output.clone());
+        if let Some(output) = output.clone() {
+            let tool_event_stream = ToolCallEventStream::new(
+                tool_use.id.clone(),
+                stream.clone(),
+                Some(self.project.read(cx).fs().clone()),
+            );
+            tool.replay(tool_use.input.clone(), output, tool_event_stream, cx)
+                .log_err();
+        }
+
+        stream.update_tool_call_fields(
+            &tool_use.id,
+            acp::ToolCallUpdateFields {
+                status: Some(
+                    tool_result
+                        .as_ref()
+                        .map_or(acp::ToolCallStatus::Failed, |result| {
+                            if result.is_error {
+                                acp::ToolCallStatus::Failed
+                            } else {
+                                acp::ToolCallStatus::Completed
+                            }
+                        }),
+                ),
+                raw_output: output,
+                ..Default::default()
+            },
+        );
+    }
+
+    pub fn from_db(
+        id: acp::SessionId,
+        db_thread: DbThread,
+        project: Entity<Project>,
+        project_context: Entity<ProjectContext>,
+        context_server_registry: Entity<ContextServerRegistry>,
+        action_log: Entity<ActionLog>,
+        templates: Arc<Templates>,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let profile_id = db_thread
+            .profile
+            .unwrap_or_else(|| AgentSettings::get_global(cx).default_profile.clone());
+        let model = LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
+            db_thread
+                .model
+                .and_then(|model| {
+                    let model = SelectedModel {
+                        provider: model.provider.clone().into(),
+                        model: model.model.into(),
+                    };
+                    registry.select_model(&model, cx)
+                })
+                .or_else(|| registry.default_model())
+                .map(|model| model.model)
+        });
+        let (prompt_capabilities_tx, prompt_capabilities_rx) =
+            watch::channel(Self::prompt_capabilities(model.as_deref()));
+
+        Self {
+            id,
+            prompt_id: PromptId::new(),
+            title: if db_thread.title.is_empty() {
+                None
+            } else {
+                Some(db_thread.title.clone())
+            },
+            pending_title_generation: None,
+            summary: db_thread.detailed_summary,
+            messages: db_thread.messages,
+            completion_mode: db_thread.completion_mode.unwrap_or_default(),
+            running_turn: None,
+            pending_message: None,
+            tools: BTreeMap::default(),
+            tool_use_limit_reached: false,
+            request_token_usage: db_thread.request_token_usage.clone(),
+            cumulative_token_usage: db_thread.cumulative_token_usage,
+            initial_project_snapshot: Task::ready(db_thread.initial_project_snapshot).shared(),
+            context_server_registry,
+            profile_id,
+            project_context,
+            templates,
+            model,
+            summarization_model: None,
+            project,
+            action_log,
+            updated_at: db_thread.updated_at,
+            prompt_capabilities_tx,
+            prompt_capabilities_rx,
+        }
+    }
+
+    pub fn to_db(&self, cx: &App) -> Task<DbThread> {
+        let initial_project_snapshot = self.initial_project_snapshot.clone();
+        let mut thread = DbThread {
+            title: self.title(),
+            messages: self.messages.clone(),
+            updated_at: self.updated_at,
+            detailed_summary: self.summary.clone(),
+            initial_project_snapshot: None,
+            cumulative_token_usage: self.cumulative_token_usage,
+            request_token_usage: self.request_token_usage.clone(),
+            model: self.model.as_ref().map(|model| DbLanguageModel {
+                provider: model.provider_id().to_string(),
+                model: model.name().0.to_string(),
+            }),
+            completion_mode: Some(self.completion_mode),
+            profile: Some(self.profile_id.clone()),
+        };
+
+        cx.background_spawn(async move {
+            let initial_project_snapshot = initial_project_snapshot.await;
+            thread.initial_project_snapshot = initial_project_snapshot;
+            thread
+        })
+    }
+
+    /// Create a snapshot of the current project state including git information and unsaved buffers.
+    fn project_snapshot(
+        project: Entity<Project>,
+        cx: &mut Context<Self>,
+    ) -> Task<Arc<agent::thread::ProjectSnapshot>> {
+        let git_store = project.read(cx).git_store().clone();
+        let worktree_snapshots: Vec<_> = project
+            .read(cx)
+            .visible_worktrees(cx)
+            .map(|worktree| Self::worktree_snapshot(worktree, git_store.clone(), cx))
+            .collect();
+
+        cx.spawn(async move |_, cx| {
+            let worktree_snapshots = futures::future::join_all(worktree_snapshots).await;
+
+            let mut unsaved_buffers = Vec::new();
+            cx.update(|app_cx| {
+                let buffer_store = project.read(app_cx).buffer_store();
+                for buffer_handle in buffer_store.read(app_cx).buffers() {
+                    let buffer = buffer_handle.read(app_cx);
+                    if buffer.is_dirty()
+                        && let Some(file) = buffer.file()
+                    {
+                        let path = file.path().to_string_lossy().to_string();
+                        unsaved_buffers.push(path);
+                    }
+                }
+            })
+            .ok();
+
+            Arc::new(ProjectSnapshot {
+                worktree_snapshots,
+                unsaved_buffer_paths: unsaved_buffers,
+                timestamp: Utc::now(),
+            })
+        })
+    }
+
+    fn worktree_snapshot(
+        worktree: Entity<project::Worktree>,
+        git_store: Entity<GitStore>,
+        cx: &App,
+    ) -> Task<agent::thread::WorktreeSnapshot> {
+        cx.spawn(async move |cx| {
+            // Get worktree path and snapshot
+            let worktree_info = cx.update(|app_cx| {
+                let worktree = worktree.read(app_cx);
+                let path = worktree.abs_path().to_string_lossy().to_string();
+                let snapshot = worktree.snapshot();
+                (path, snapshot)
+            });
+
+            let Ok((worktree_path, _snapshot)) = worktree_info else {
+                return WorktreeSnapshot {
+                    worktree_path: String::new(),
+                    git_state: None,
+                };
+            };
+
+            let git_state = git_store
+                .update(cx, |git_store, cx| {
+                    git_store
+                        .repositories()
+                        .values()
+                        .find(|repo| {
+                            repo.read(cx)
+                                .abs_path_to_repo_path(&worktree.read(cx).abs_path())
+                                .is_some()
+                        })
+                        .cloned()
+                })
+                .ok()
+                .flatten()
+                .map(|repo| {
+                    repo.update(cx, |repo, _| {
+                        let current_branch =
+                            repo.branch.as_ref().map(|branch| branch.name().to_owned());
+                        repo.send_job(None, |state, _| async move {
+                            let RepositoryState::Local { backend, .. } = state else {
+                                return GitState {
+                                    remote_url: None,
+                                    head_sha: None,
+                                    current_branch,
+                                    diff: None,
+                                };
+                            };
+
+                            let remote_url = backend.remote_url("origin");
+                            let head_sha = backend.head_sha().await;
+                            let diff = backend.diff(DiffType::HeadToWorktree).await.ok();
+
+                            GitState {
+                                remote_url,
+                                head_sha,
+                                current_branch,
+                                diff,
+                            }
+                        })
+                    })
+                });
+
+            let git_state = match git_state {
+                Some(git_state) => match git_state.ok() {
+                    Some(git_state) => git_state.await.ok(),
+                    None => None,
+                },
+                None => None,
+            };
+
+            WorktreeSnapshot {
+                worktree_path,
+                git_state,
+            }
+        })
+    }
+
+    pub fn project_context(&self) -> &Entity<ProjectContext> {
+        &self.project_context
+    }
+
+    pub fn project(&self) -> &Entity<Project> {
+        &self.project
+    }
+
+    pub fn action_log(&self) -> &Entity<ActionLog> {
+        &self.action_log
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.messages.is_empty() && self.title.is_none()
+    }
+
+    pub fn model(&self) -> Option<&Arc<dyn LanguageModel>> {
+        self.model.as_ref()
+    }
+
+    pub fn set_model(&mut self, model: Arc<dyn LanguageModel>, cx: &mut Context<Self>) {
+        let old_usage = self.latest_token_usage();
+        self.model = Some(model);
+        let new_caps = Self::prompt_capabilities(self.model.as_deref());
+        let new_usage = self.latest_token_usage();
+        if old_usage != new_usage {
+            cx.emit(TokenUsageUpdated(new_usage));
+        }
+        self.prompt_capabilities_tx.send(new_caps).log_err();
+        cx.notify()
+    }
+
+    pub fn summarization_model(&self) -> Option<&Arc<dyn LanguageModel>> {
+        self.summarization_model.as_ref()
+    }
+
+    pub fn set_summarization_model(
+        &mut self,
+        model: Option<Arc<dyn LanguageModel>>,
+        cx: &mut Context<Self>,
+    ) {
+        self.summarization_model = model;
+        cx.notify()
+    }
+
+    pub fn completion_mode(&self) -> CompletionMode {
+        self.completion_mode
+    }
+
+    pub fn set_completion_mode(&mut self, mode: CompletionMode, cx: &mut Context<Self>) {
+        let old_usage = self.latest_token_usage();
+        self.completion_mode = mode;
+        let new_usage = self.latest_token_usage();
+        if old_usage != new_usage {
+            cx.emit(TokenUsageUpdated(new_usage));
+        }
+        cx.notify()
+    }
+
+    #[cfg(any(test, feature = "test-support"))]
+    pub fn last_message(&self) -> Option<Message> {
+        if let Some(message) = self.pending_message.clone() {
+            Some(Message::Agent(message))
+        } else {
+            self.messages.last().cloned()
+        }
+    }
+
+    pub fn add_default_tools(&mut self, cx: &mut Context<Self>) {
+        let language_registry = self.project.read(cx).languages().clone();
+        self.add_tool(CopyPathTool::new(self.project.clone()));
+        self.add_tool(CreateDirectoryTool::new(self.project.clone()));
+        self.add_tool(DeletePathTool::new(
+            self.project.clone(),
+            self.action_log.clone(),
+        ));
+        self.add_tool(DiagnosticsTool::new(self.project.clone()));
+        self.add_tool(EditFileTool::new(cx.weak_entity(), language_registry));
+        self.add_tool(FetchTool::new(self.project.read(cx).client().http_client()));
+        self.add_tool(FindPathTool::new(self.project.clone()));
+        self.add_tool(GrepTool::new(self.project.clone()));
+        self.add_tool(ListDirectoryTool::new(self.project.clone()));
+        self.add_tool(MovePathTool::new(self.project.clone()));
+        self.add_tool(NowTool);
+        self.add_tool(OpenTool::new(self.project.clone()));
+        self.add_tool(ReadFileTool::new(
+            self.project.clone(),
+            self.action_log.clone(),
+        ));
+        self.add_tool(TerminalTool::new(self.project.clone(), cx));
+        self.add_tool(ThinkingTool);
+        self.add_tool(WebSearchTool);
+    }
+
+    pub fn add_tool<T: AgentTool>(&mut self, tool: T) {
+        self.tools.insert(T::name().into(), tool.erase());
+    }
+
+    pub fn remove_tool(&mut self, name: &str) -> bool {
+        self.tools.remove(name).is_some()
+    }
+
+    pub fn profile(&self) -> &AgentProfileId {
+        &self.profile_id
+    }
+
+    pub fn set_profile(&mut self, profile_id: AgentProfileId) {
+        self.profile_id = profile_id;
+    }
+
+    pub fn cancel(&mut self, cx: &mut Context<Self>) {
+        if let Some(running_turn) = self.running_turn.take() {
+            running_turn.cancel();
+        }
+        self.flush_pending_message(cx);
+    }
+
+    fn update_token_usage(&mut self, update: language_model::TokenUsage, cx: &mut Context<Self>) {
+        let Some(last_user_message) = self.last_user_message() else {
+            return;
+        };
+
+        self.request_token_usage
+            .insert(last_user_message.id.clone(), update);
+        cx.emit(TokenUsageUpdated(self.latest_token_usage()));
+        cx.notify();
+    }
+
+    pub fn truncate(&mut self, message_id: UserMessageId, cx: &mut Context<Self>) -> Result<()> {
+        self.cancel(cx);
+        let Some(position) = self.messages.iter().position(
+            |msg| matches!(msg, Message::User(UserMessage { id, .. }) if id == &message_id),
+        ) else {
+            return Err(anyhow!("Message not found"));
+        };
+
+        for message in self.messages.drain(position..) {
+            match message {
+                Message::User(message) => {
+                    self.request_token_usage.remove(&message.id);
+                }
+                Message::Agent(_) | Message::Resume => {}
+            }
+        }
+        self.summary = None;
+        cx.notify();
+        Ok(())
+    }
+
+    pub fn latest_token_usage(&self) -> Option<acp_thread::TokenUsage> {
+        let last_user_message = self.last_user_message()?;
+        let tokens = self.request_token_usage.get(&last_user_message.id)?;
+        let model = self.model.clone()?;
+
+        Some(acp_thread::TokenUsage {
+            max_tokens: model.max_token_count_for_mode(self.completion_mode.into()),
+            used_tokens: tokens.total_tokens(),
+        })
+    }
+
+    pub fn resume(
+        &mut self,
+        cx: &mut Context<Self>,
+    ) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>> {
+        self.messages.push(Message::Resume);
+        cx.notify();
+
+        log::debug!("Total messages in thread: {}", self.messages.len());
+        self.run_turn(cx)
+    }
+
+    /// Sending a message results in the model streaming a response, which could include tool calls.
+    /// After calling tools, the model will stops and waits for any outstanding tool calls to be completed and their results sent.
+    /// The returned channel will report all the occurrences in which the model stops before erroring or ending its turn.
+    pub fn send<T>(
+        &mut self,
+        id: UserMessageId,
+        content: impl IntoIterator<Item = T>,
+        cx: &mut Context<Self>,
+    ) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>>
+    where
+        T: Into<UserMessageContent>,
+    {
+        let model = self.model().context("No language model configured")?;
+
+        log::info!("Thread::send called with model: {}", model.name().0);
+        self.advance_prompt_id();
+
+        let content = content.into_iter().map(Into::into).collect::<Vec<_>>();
+        log::debug!("Thread::send content: {:?}", content);
+
+        self.messages
+            .push(Message::User(UserMessage { id, content }));
+        cx.notify();
+
+        log::debug!("Total messages in thread: {}", self.messages.len());
+        self.run_turn(cx)
+    }
+
+    fn run_turn(
+        &mut self,
+        cx: &mut Context<Self>,
+    ) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>> {
+        self.cancel(cx);
+
+        let model = self.model.clone().context("No language model configured")?;
+        let profile = AgentSettings::get_global(cx)
+            .profiles
+            .get(&self.profile_id)
+            .context("Profile not found")?;
+        let (events_tx, events_rx) = mpsc::unbounded::<Result<ThreadEvent>>();
+        let event_stream = ThreadEventStream(events_tx);
+        let message_ix = self.messages.len().saturating_sub(1);
+        self.tool_use_limit_reached = false;
+        self.summary = None;
+        self.running_turn = Some(RunningTurn {
+            event_stream: event_stream.clone(),
+            tools: self.enabled_tools(profile, &model, cx),
+            _task: cx.spawn(async move |this, cx| {
+                log::debug!("Starting agent turn execution");
+
+                let turn_result = Self::run_turn_internal(&this, model, &event_stream, cx).await;
+                _ = this.update(cx, |this, cx| this.flush_pending_message(cx));
+
+                match turn_result {
+                    Ok(()) => {
+                        log::debug!("Turn execution completed");
+                        event_stream.send_stop(acp::StopReason::EndTurn);
+                    }
+                    Err(error) => {
+                        log::error!("Turn execution failed: {:?}", error);
+                        match error.downcast::<CompletionError>() {
+                            Ok(CompletionError::Refusal) => {
+                                event_stream.send_stop(acp::StopReason::Refusal);
+                                _ = this.update(cx, |this, _| this.messages.truncate(message_ix));
+                            }
+                            Ok(CompletionError::MaxTokens) => {
+                                event_stream.send_stop(acp::StopReason::MaxTokens);
+                            }
+                            Ok(CompletionError::Other(error)) | Err(error) => {
+                                event_stream.send_error(error);
+                            }
+                        }
+                    }
+                }
+
+                _ = this.update(cx, |this, _| this.running_turn.take());
+            }),
+        });
+        Ok(events_rx)
+    }
+
+    async fn run_turn_internal(
+        this: &WeakEntity<Self>,
+        model: Arc<dyn LanguageModel>,
+        event_stream: &ThreadEventStream,
+        cx: &mut AsyncApp,
+    ) -> Result<()> {
+        let mut attempt = 0;
+        let mut intent = CompletionIntent::UserPrompt;
+        loop {
+            let request =
+                this.update(cx, |this, cx| this.build_completion_request(intent, cx))??;
+
+            telemetry::event!(
+                "Agent Thread Completion",
+                thread_id = this.read_with(cx, |this, _| this.id.to_string())?,
+                prompt_id = this.read_with(cx, |this, _| this.prompt_id.to_string())?,
+                model = model.telemetry_id(),
+                model_provider = model.provider_id().to_string(),
+                attempt
+            );
+
+            log::debug!("Calling model.stream_completion, attempt {}", attempt);
+            let mut events = model
+                .stream_completion(request, cx)
+                .await
+                .map_err(|error| anyhow!(error))?;
+            let mut tool_results = FuturesUnordered::new();
+            let mut error = None;
+            while let Some(event) = events.next().await {
+                log::trace!("Received completion event: {:?}", event);
+                match event {
+                    Ok(event) => {
+                        tool_results.extend(this.update(cx, |this, cx| {
+                            this.handle_completion_event(event, event_stream, cx)
+                        })??);
+                    }
+                    Err(err) => {
+                        error = Some(err);
+                        break;
+                    }
+                }
+            }
+
+            let end_turn = tool_results.is_empty();
+            while let Some(tool_result) = tool_results.next().await {
+                log::debug!("Tool finished {:?}", tool_result);
+
+                event_stream.update_tool_call_fields(
+                    &tool_result.tool_use_id,
+                    acp::ToolCallUpdateFields {
+                        status: Some(if tool_result.is_error {
+                            acp::ToolCallStatus::Failed
+                        } else {
+                            acp::ToolCallStatus::Completed
+                        }),
+                        raw_output: tool_result.output.clone(),
+                        ..Default::default()
+                    },
+                );
+                this.update(cx, |this, _cx| {
+                    this.pending_message()
+                        .tool_results
+                        .insert(tool_result.tool_use_id.clone(), tool_result);
+                })?;
+            }
+
+            this.update(cx, |this, cx| {
+                this.flush_pending_message(cx);
+                if this.title.is_none() && this.pending_title_generation.is_none() {
+                    this.generate_title(cx);
+                }
+            })?;
+
+            if let Some(error) = error {
+                attempt += 1;
+                let retry =
+                    this.update(cx, |this, _| this.handle_completion_error(error, attempt))??;
+                let timer = cx.background_executor().timer(retry.duration);
+                event_stream.send_retry(retry);
+                timer.await;
+                this.update(cx, |this, _cx| {
+                    if let Some(Message::Agent(message)) = this.messages.last() {
+                        if message.tool_results.is_empty() {
+                            intent = CompletionIntent::UserPrompt;
+                            this.messages.push(Message::Resume);
+                        }
+                    }
+                })?;
+            } else if this.read_with(cx, |this, _| this.tool_use_limit_reached)? {
+                return Err(language_model::ToolUseLimitReachedError.into());
+            } else if end_turn {
+                return Ok(());
+            } else {
+                intent = CompletionIntent::ToolResults;
+                attempt = 0;
+            }
+        }
+    }
+
+    fn handle_completion_error(
+        &mut self,
+        error: LanguageModelCompletionError,
+        attempt: u8,
+    ) -> Result<acp_thread::RetryStatus> {
+        if self.completion_mode == CompletionMode::Normal {
+            return Err(anyhow!(error));
+        }
+
+        let Some(strategy) = Self::retry_strategy_for(&error) else {
+            return Err(anyhow!(error));
+        };
+
+        let max_attempts = match &strategy {
+            RetryStrategy::ExponentialBackoff { max_attempts, .. } => *max_attempts,
+            RetryStrategy::Fixed { max_attempts, .. } => *max_attempts,
+        };
+
+        if attempt > max_attempts {
+            return Err(anyhow!(error));
+        }
+
+        let delay = match &strategy {
+            RetryStrategy::ExponentialBackoff { initial_delay, .. } => {
+                let delay_secs = initial_delay.as_secs() * 2u64.pow((attempt - 1) as u32);
+                Duration::from_secs(delay_secs)
+            }
+            RetryStrategy::Fixed { delay, .. } => *delay,
+        };
+        log::debug!("Retry attempt {attempt} with delay {delay:?}");
+
+        Ok(acp_thread::RetryStatus {
+            last_error: error.to_string().into(),
+            attempt: attempt as usize,
+            max_attempts: max_attempts as usize,
+            started_at: Instant::now(),
+            duration: delay,
+        })
+    }
+
+    /// A helper method that's called on every streamed completion event.
+    /// Returns an optional tool result task, which the main agentic loop will
+    /// send back to the model when it resolves.
+    fn handle_completion_event(
+        &mut self,
+        event: LanguageModelCompletionEvent,
+        event_stream: &ThreadEventStream,
+        cx: &mut Context<Self>,
+    ) -> Result<Option<Task<LanguageModelToolResult>>> {
+        log::trace!("Handling streamed completion event: {:?}", event);
+        use LanguageModelCompletionEvent::*;
+
+        match event {
+            StartMessage { .. } => {
+                self.flush_pending_message(cx);
+                self.pending_message = Some(AgentMessage::default());
+            }
+            Text(new_text) => self.handle_text_event(new_text, event_stream, cx),
+            Thinking { text, signature } => {
+                self.handle_thinking_event(text, signature, event_stream, cx)
+            }
+            RedactedThinking { data } => self.handle_redacted_thinking_event(data, cx),
+            ToolUse(tool_use) => {
+                return Ok(self.handle_tool_use_event(tool_use, event_stream, cx));
+            }
+            ToolUseJsonParseError {
+                id,
+                tool_name,
+                raw_input,
+                json_parse_error,
+            } => {
+                return Ok(Some(Task::ready(
+                    self.handle_tool_use_json_parse_error_event(
+                        id,
+                        tool_name,
+                        raw_input,
+                        json_parse_error,
+                    ),
+                )));
+            }
+            UsageUpdate(usage) => {
+                telemetry::event!(
+                    "Agent Thread Completion Usage Updated",
+                    thread_id = self.id.to_string(),
+                    prompt_id = self.prompt_id.to_string(),
+                    model = self.model.as_ref().map(|m| m.telemetry_id()),
+                    model_provider = self.model.as_ref().map(|m| m.provider_id().to_string()),
+                    input_tokens = usage.input_tokens,
+                    output_tokens = usage.output_tokens,
+                    cache_creation_input_tokens = usage.cache_creation_input_tokens,
+                    cache_read_input_tokens = usage.cache_read_input_tokens,
+                );
+                self.update_token_usage(usage, cx);
+            }
+            StatusUpdate(CompletionRequestStatus::UsageUpdated { amount, limit }) => {
+                self.update_model_request_usage(amount, limit, cx);
+            }
+            StatusUpdate(
+                CompletionRequestStatus::Started
+                | CompletionRequestStatus::Queued { .. }
+                | CompletionRequestStatus::Failed { .. },
+            ) => {}
+            StatusUpdate(CompletionRequestStatus::ToolUseLimitReached) => {
+                self.tool_use_limit_reached = true;
+            }
+            Stop(StopReason::Refusal) => return Err(CompletionError::Refusal.into()),
+            Stop(StopReason::MaxTokens) => return Err(CompletionError::MaxTokens.into()),
+            Stop(StopReason::ToolUse | StopReason::EndTurn) => {}
+        }
+
+        Ok(None)
+    }
+
+    fn handle_text_event(
+        &mut self,
+        new_text: String,
+        event_stream: &ThreadEventStream,
+        cx: &mut Context<Self>,
+    ) {
+        event_stream.send_text(&new_text);
+
+        let last_message = self.pending_message();
+        if let Some(AgentMessageContent::Text(text)) = last_message.content.last_mut() {
+            text.push_str(&new_text);
+        } else {
+            last_message
+                .content
+                .push(AgentMessageContent::Text(new_text));
+        }
+
+        cx.notify();
+    }
+
+    fn handle_thinking_event(
+        &mut self,
+        new_text: String,
+        new_signature: Option<String>,
+        event_stream: &ThreadEventStream,
+        cx: &mut Context<Self>,
+    ) {
+        event_stream.send_thinking(&new_text);
+
+        let last_message = self.pending_message();
+        if let Some(AgentMessageContent::Thinking { text, signature }) =
+            last_message.content.last_mut()
+        {
+            text.push_str(&new_text);
+            *signature = new_signature.or(signature.take());
+        } else {
+            last_message.content.push(AgentMessageContent::Thinking {
+                text: new_text,
+                signature: new_signature,
+            });
+        }
+
+        cx.notify();
+    }
+
+    fn handle_redacted_thinking_event(&mut self, data: String, cx: &mut Context<Self>) {
+        let last_message = self.pending_message();
+        last_message
+            .content
+            .push(AgentMessageContent::RedactedThinking(data));
+        cx.notify();
+    }
+
+    fn handle_tool_use_event(
+        &mut self,
+        tool_use: LanguageModelToolUse,
+        event_stream: &ThreadEventStream,
+        cx: &mut Context<Self>,
+    ) -> Option<Task<LanguageModelToolResult>> {
+        cx.notify();
+
+        let tool = self.tool(tool_use.name.as_ref());
+        let mut title = SharedString::from(&tool_use.name);
+        let mut kind = acp::ToolKind::Other;
+        if let Some(tool) = tool.as_ref() {
+            title = tool.initial_title(tool_use.input.clone());
+            kind = tool.kind();
+        }
+
+        // Ensure the last message ends in the current tool use
+        let last_message = self.pending_message();
+        let push_new_tool_use = last_message.content.last_mut().is_none_or(|content| {
+            if let AgentMessageContent::ToolUse(last_tool_use) = content {
+                if last_tool_use.id == tool_use.id {
+                    *last_tool_use = tool_use.clone();
+                    false
+                } else {
+                    true
+                }
+            } else {
+                true
+            }
+        });
+
+        if push_new_tool_use {
+            event_stream.send_tool_call(&tool_use.id, title, kind, tool_use.input.clone());
+            last_message
+                .content
+                .push(AgentMessageContent::ToolUse(tool_use.clone()));
+        } else {
+            event_stream.update_tool_call_fields(
+                &tool_use.id,
+                acp::ToolCallUpdateFields {
+                    title: Some(title.into()),
+                    kind: Some(kind),
+                    raw_input: Some(tool_use.input.clone()),
+                    ..Default::default()
+                },
+            );
+        }
+
+        if !tool_use.is_input_complete {
+            return None;
+        }
+
+        let Some(tool) = tool else {
+            let content = format!("No tool named {} exists", tool_use.name);
+            return Some(Task::ready(LanguageModelToolResult {
+                content: LanguageModelToolResultContent::Text(Arc::from(content)),
+                tool_use_id: tool_use.id,
+                tool_name: tool_use.name,
+                is_error: true,
+                output: None,
+            }));
+        };
+
+        let fs = self.project.read(cx).fs().clone();
+        let tool_event_stream =
+            ToolCallEventStream::new(tool_use.id.clone(), event_stream.clone(), Some(fs));
+        tool_event_stream.update_fields(acp::ToolCallUpdateFields {
+            status: Some(acp::ToolCallStatus::InProgress),
+            ..Default::default()
+        });
+        let supports_images = self.model().is_some_and(|model| model.supports_images());
+        let tool_result = tool.run(tool_use.input, tool_event_stream, cx);
+        log::debug!("Running tool {}", tool_use.name);
+        Some(cx.foreground_executor().spawn(async move {
+            let tool_result = tool_result.await.and_then(|output| {
+                if let LanguageModelToolResultContent::Image(_) = &output.llm_output
+                    && !supports_images
+                {
+                    return Err(anyhow!(
+                        "Attempted to read an image, but this model doesn't support it.",
+                    ));
+                }
+                Ok(output)
+            });
+
+            match tool_result {
+                Ok(output) => LanguageModelToolResult {
+                    tool_use_id: tool_use.id,
+                    tool_name: tool_use.name,
+                    is_error: false,
+                    content: output.llm_output,
+                    output: Some(output.raw_output),
+                },
+                Err(error) => LanguageModelToolResult {
+                    tool_use_id: tool_use.id,
+                    tool_name: tool_use.name,
+                    is_error: true,
+                    content: LanguageModelToolResultContent::Text(Arc::from(error.to_string())),
+                    output: Some(error.to_string().into()),
+                },
+            }
+        }))
+    }
+
+    fn handle_tool_use_json_parse_error_event(
+        &mut self,
+        tool_use_id: LanguageModelToolUseId,
+        tool_name: Arc<str>,
+        raw_input: Arc<str>,
+        json_parse_error: String,
+    ) -> LanguageModelToolResult {
+        let tool_output = format!("Error parsing input JSON: {json_parse_error}");
+        LanguageModelToolResult {
+            tool_use_id,
+            tool_name,
+            is_error: true,
+            content: LanguageModelToolResultContent::Text(tool_output.into()),
+            output: Some(serde_json::Value::String(raw_input.to_string())),
+        }
+    }
+
+    fn update_model_request_usage(&self, amount: usize, limit: UsageLimit, cx: &mut Context<Self>) {
+        self.project
+            .read(cx)
+            .user_store()
+            .update(cx, |user_store, cx| {
+                user_store.update_model_request_usage(
+                    ModelRequestUsage(RequestUsage {
+                        amount: amount as i32,
+                        limit,
+                    }),
+                    cx,
+                )
+            });
+    }
+
+    pub fn title(&self) -> SharedString {
+        self.title.clone().unwrap_or("New Thread".into())
+    }
+
+    pub fn summary(&mut self, cx: &mut Context<Self>) -> Task<Result<SharedString>> {
+        if let Some(summary) = self.summary.as_ref() {
+            return Task::ready(Ok(summary.clone()));
+        }
+        let Some(model) = self.summarization_model.clone() else {
+            return Task::ready(Err(anyhow!("No summarization model available")));
+        };
+        let mut request = LanguageModelRequest {
+            intent: Some(CompletionIntent::ThreadContextSummarization),
+            temperature: AgentSettings::temperature_for_model(&model, cx),
+            ..Default::default()
+        };
+
+        for message in &self.messages {
+            request.messages.extend(message.to_request());
+        }
+
+        request.messages.push(LanguageModelRequestMessage {
+            role: Role::User,
+            content: vec![SUMMARIZE_THREAD_DETAILED_PROMPT.into()],
+            cache: false,
+        });
+        cx.spawn(async move |this, cx| {
+            let mut summary = String::new();
+            let mut messages = model.stream_completion(request, cx).await?;
+            while let Some(event) = messages.next().await {
+                let event = event?;
+                let text = match event {
+                    LanguageModelCompletionEvent::Text(text) => text,
+                    LanguageModelCompletionEvent::StatusUpdate(
+                        CompletionRequestStatus::UsageUpdated { amount, limit },
+                    ) => {
+                        this.update(cx, |thread, cx| {
+                            thread.update_model_request_usage(amount, limit, cx);
+                        })?;
+                        continue;
+                    }
+                    _ => continue,
+                };
+
+                let mut lines = text.lines();
+                summary.extend(lines.next());
+            }
+
+            log::debug!("Setting summary: {}", summary);
+            let summary = SharedString::from(summary);
+
+            this.update(cx, |this, cx| {
+                this.summary = Some(summary.clone());
+                cx.notify()
+            })?;
+
+            Ok(summary)
+        })
+    }
+
+    fn generate_title(&mut self, cx: &mut Context<Self>) {
+        let Some(model) = self.summarization_model.clone() else {
+            return;
+        };
+
+        log::debug!(
+            "Generating title with model: {:?}",
+            self.summarization_model.as_ref().map(|model| model.name())
+        );
+        let mut request = LanguageModelRequest {
+            intent: Some(CompletionIntent::ThreadSummarization),
+            temperature: AgentSettings::temperature_for_model(&model, cx),
+            ..Default::default()
+        };
+
+        for message in &self.messages {
+            request.messages.extend(message.to_request());
+        }
+
+        request.messages.push(LanguageModelRequestMessage {
+            role: Role::User,
+            content: vec![SUMMARIZE_THREAD_PROMPT.into()],
+            cache: false,
+        });
+        self.pending_title_generation = Some(cx.spawn(async move |this, cx| {
+            let mut title = String::new();
+
+            let generate = async {
+                let mut messages = model.stream_completion(request, cx).await?;
+                while let Some(event) = messages.next().await {
+                    let event = event?;
+                    let text = match event {
+                        LanguageModelCompletionEvent::Text(text) => text,
+                        LanguageModelCompletionEvent::StatusUpdate(
+                            CompletionRequestStatus::UsageUpdated { amount, limit },
+                        ) => {
+                            this.update(cx, |thread, cx| {
+                                thread.update_model_request_usage(amount, limit, cx);
+                            })?;
+                            continue;
+                        }
+                        _ => continue,
+                    };
+
+                    let mut lines = text.lines();
+                    title.extend(lines.next());
+
+                    // Stop if the LLM generated multiple lines.
+                    if lines.next().is_some() {
+                        break;
+                    }
+                }
+                anyhow::Ok(())
+            };
+
+            if generate.await.context("failed to generate title").is_ok() {
+                _ = this.update(cx, |this, cx| this.set_title(title.into(), cx));
+            }
+            _ = this.update(cx, |this, _| this.pending_title_generation = None);
+        }));
+    }
+
+    pub fn set_title(&mut self, title: SharedString, cx: &mut Context<Self>) {
+        self.pending_title_generation = None;
+        if Some(&title) != self.title.as_ref() {
+            self.title = Some(title);
+            cx.emit(TitleUpdated);
+            cx.notify();
+        }
+    }
+
+    fn last_user_message(&self) -> Option<&UserMessage> {
+        self.messages
+            .iter()
+            .rev()
+            .find_map(|message| match message {
+                Message::User(user_message) => Some(user_message),
+                Message::Agent(_) => None,
+                Message::Resume => None,
+            })
+    }
+
+    fn pending_message(&mut self) -> &mut AgentMessage {
+        self.pending_message.get_or_insert_default()
+    }
+
+    fn flush_pending_message(&mut self, cx: &mut Context<Self>) {
+        let Some(mut message) = self.pending_message.take() else {
+            return;
+        };
+
+        if message.content.is_empty() {
+            return;
+        }
+
+        for content in &message.content {
+            let AgentMessageContent::ToolUse(tool_use) = content else {
+                continue;
+            };
+
+            if !message.tool_results.contains_key(&tool_use.id) {
+                message.tool_results.insert(
+                    tool_use.id.clone(),
+                    LanguageModelToolResult {
+                        tool_use_id: tool_use.id.clone(),
+                        tool_name: tool_use.name.clone(),
+                        is_error: true,
+                        content: LanguageModelToolResultContent::Text(TOOL_CANCELED_MESSAGE.into()),
+                        output: None,
+                    },
+                );
+            }
+        }
+
+        self.messages.push(Message::Agent(message));
+        self.updated_at = Utc::now();
+        self.summary = None;
+        cx.notify()
+    }
+
+    pub(crate) fn build_completion_request(
+        &self,
+        completion_intent: CompletionIntent,
+        cx: &App,
+    ) -> Result<LanguageModelRequest> {
+        let model = self.model().context("No language model configured")?;
+        let tools = if let Some(turn) = self.running_turn.as_ref() {
+            turn.tools
+                .iter()
+                .filter_map(|(tool_name, tool)| {
+                    log::trace!("Including tool: {}", tool_name);
+                    Some(LanguageModelRequestTool {
+                        name: tool_name.to_string(),
+                        description: tool.description().to_string(),
+                        input_schema: tool.input_schema(model.tool_input_format()).log_err()?,
+                    })
+                })
+                .collect::<Vec<_>>()
+        } else {
+            Vec::new()
+        };
+
+        log::debug!("Building completion request");
+        log::debug!("Completion intent: {:?}", completion_intent);
+        log::debug!("Completion mode: {:?}", self.completion_mode);
+
+        let messages = self.build_request_messages(cx);
+        log::debug!("Request will include {} messages", messages.len());
+        log::debug!("Request includes {} tools", tools.len());
+
+        let request = LanguageModelRequest {
+            thread_id: Some(self.id.to_string()),
+            prompt_id: Some(self.prompt_id.to_string()),
+            intent: Some(completion_intent),
+            mode: Some(self.completion_mode.into()),
+            messages,
+            tools,
+            tool_choice: None,
+            stop: Vec::new(),
+            temperature: AgentSettings::temperature_for_model(model, cx),
+            thinking_allowed: true,
+        };
+
+        log::debug!("Completion request built successfully");
+        Ok(request)
+    }
+
+    fn enabled_tools(
+        &self,
+        profile: &AgentProfileSettings,
+        model: &Arc<dyn LanguageModel>,
+        cx: &App,
+    ) -> BTreeMap<SharedString, Arc<dyn AnyAgentTool>> {
+        fn truncate(tool_name: &SharedString) -> SharedString {
+            if tool_name.len() > MAX_TOOL_NAME_LENGTH {
+                let mut truncated = tool_name.to_string();
+                truncated.truncate(MAX_TOOL_NAME_LENGTH);
+                truncated.into()
+            } else {
+                tool_name.clone()
+            }
+        }
+
+        let mut tools = self
+            .tools
+            .iter()
+            .filter_map(|(tool_name, tool)| {
+                if tool.supported_provider(&model.provider_id())
+                    && profile.is_tool_enabled(tool_name)
+                {
+                    Some((truncate(tool_name), tool.clone()))
+                } else {
+                    None
+                }
+            })
+            .collect::<BTreeMap<_, _>>();
+
+        let mut context_server_tools = Vec::new();
+        let mut seen_tools = tools.keys().cloned().collect::<HashSet<_>>();
+        let mut duplicate_tool_names = HashSet::default();
+        for (server_id, server_tools) in self.context_server_registry.read(cx).servers() {
+            for (tool_name, tool) in server_tools {
+                if profile.is_context_server_tool_enabled(&server_id.0, &tool_name) {
+                    let tool_name = truncate(tool_name);
+                    if !seen_tools.insert(tool_name.clone()) {
+                        duplicate_tool_names.insert(tool_name.clone());
+                    }
+                    context_server_tools.push((server_id.clone(), tool_name, tool.clone()));
+                }
+            }
+        }
+
+        // When there are duplicate tool names, disambiguate by prefixing them
+        // with the server ID. In the rare case there isn't enough space for the
+        // disambiguated tool name, keep only the last tool with this name.
+        for (server_id, tool_name, tool) in context_server_tools {
+            if duplicate_tool_names.contains(&tool_name) {
+                let available = MAX_TOOL_NAME_LENGTH.saturating_sub(tool_name.len());
+                if available >= 2 {
+                    let mut disambiguated = server_id.0.to_string();
+                    disambiguated.truncate(available - 1);
+                    disambiguated.push('_');
+                    disambiguated.push_str(&tool_name);
+                    tools.insert(disambiguated.into(), tool.clone());
+                } else {
+                    tools.insert(tool_name, tool.clone());
+                }
+            } else {
+                tools.insert(tool_name, tool.clone());
+            }
+        }
+
+        tools
+    }
+
+    fn tool(&self, name: &str) -> Option<Arc<dyn AnyAgentTool>> {
+        self.running_turn.as_ref()?.tools.get(name).cloned()
+    }
+
+    fn build_request_messages(&self, cx: &App) -> Vec<LanguageModelRequestMessage> {
+        log::trace!(
+            "Building request messages from {} thread messages",
+            self.messages.len()
+        );
+
+        let system_prompt = SystemPromptTemplate {
+            project: self.project_context.read(cx),
+            available_tools: self.tools.keys().cloned().collect(),
+        }
+        .render(&self.templates)
+        .context("failed to build system prompt")
+        .expect("Invalid template");
+        let mut messages = vec![LanguageModelRequestMessage {
+            role: Role::System,
+            content: vec![system_prompt.into()],
+            cache: false,
+        }];
+        for message in &self.messages {
+            messages.extend(message.to_request());
+        }
+
+        if let Some(last_message) = messages.last_mut() {
+            last_message.cache = true;
+        }
+
+        if let Some(message) = self.pending_message.as_ref() {
+            messages.extend(message.to_request());
+        }
+
+        messages
+    }
+
+    pub fn to_markdown(&self) -> String {
+        let mut markdown = String::new();
+        for (ix, message) in self.messages.iter().enumerate() {
+            if ix > 0 {
+                markdown.push('\n');
+            }
+            markdown.push_str(&message.to_markdown());
+        }
+
+        if let Some(message) = self.pending_message.as_ref() {
+            markdown.push('\n');
+            markdown.push_str(&message.to_markdown());
+        }
+
+        markdown
+    }
+
+    fn advance_prompt_id(&mut self) {
+        self.prompt_id = PromptId::new();
+    }
+
+    fn retry_strategy_for(error: &LanguageModelCompletionError) -> Option<RetryStrategy> {
+        use LanguageModelCompletionError::*;
+        use http_client::StatusCode;
+
+        // General strategy here:
+        // - If retrying won't help (e.g. invalid API key or payload too large), return None so we don't retry at all.
+        // - If it's a time-based issue (e.g. server overloaded, rate limit exceeded), retry up to 4 times with exponential backoff.
+        // - If it's an issue that *might* be fixed by retrying (e.g. internal server error), retry up to 3 times.
+        match error {
+            HttpResponseError {
+                status_code: StatusCode::TOO_MANY_REQUESTS,
+                ..
+            } => Some(RetryStrategy::ExponentialBackoff {
+                initial_delay: BASE_RETRY_DELAY,
+                max_attempts: MAX_RETRY_ATTEMPTS,
+            }),
+            ServerOverloaded { retry_after, .. } | RateLimitExceeded { retry_after, .. } => {
+                Some(RetryStrategy::Fixed {
+                    delay: retry_after.unwrap_or(BASE_RETRY_DELAY),
+                    max_attempts: MAX_RETRY_ATTEMPTS,
+                })
+            }
+            UpstreamProviderError {
+                status,
+                retry_after,
+                ..
+            } => match *status {
+                StatusCode::TOO_MANY_REQUESTS | StatusCode::SERVICE_UNAVAILABLE => {
+                    Some(RetryStrategy::Fixed {
+                        delay: retry_after.unwrap_or(BASE_RETRY_DELAY),
+                        max_attempts: MAX_RETRY_ATTEMPTS,
+                    })
+                }
+                StatusCode::INTERNAL_SERVER_ERROR => Some(RetryStrategy::Fixed {
+                    delay: retry_after.unwrap_or(BASE_RETRY_DELAY),
+                    // Internal Server Error could be anything, retry up to 3 times.
+                    max_attempts: 3,
+                }),
+                status => {
+                    // There is no StatusCode variant for the unofficial HTTP 529 ("The service is overloaded"),
+                    // but we frequently get them in practice. See https://http.dev/529
+                    if status.as_u16() == 529 {
+                        Some(RetryStrategy::Fixed {
+                            delay: retry_after.unwrap_or(BASE_RETRY_DELAY),
+                            max_attempts: MAX_RETRY_ATTEMPTS,
+                        })
+                    } else {
+                        Some(RetryStrategy::Fixed {
+                            delay: retry_after.unwrap_or(BASE_RETRY_DELAY),
+                            max_attempts: 2,
+                        })
+                    }
+                }
+            },
+            ApiInternalServerError { .. } => Some(RetryStrategy::Fixed {
+                delay: BASE_RETRY_DELAY,
+                max_attempts: 3,
+            }),
+            ApiReadResponseError { .. }
+            | HttpSend { .. }
+            | DeserializeResponse { .. }
+            | BadRequestFormat { .. } => Some(RetryStrategy::Fixed {
+                delay: BASE_RETRY_DELAY,
+                max_attempts: 3,
+            }),
+            // Retrying these errors definitely shouldn't help.
+            HttpResponseError {
+                status_code:
+                    StatusCode::PAYLOAD_TOO_LARGE | StatusCode::FORBIDDEN | StatusCode::UNAUTHORIZED,
+                ..
+            }
+            | AuthenticationError { .. }
+            | PermissionError { .. }
+            | NoApiKey { .. }
+            | ApiEndpointNotFound { .. }
+            | PromptTooLarge { .. } => None,
+            // These errors might be transient, so retry them
+            SerializeRequest { .. } | BuildRequestBody { .. } => Some(RetryStrategy::Fixed {
+                delay: BASE_RETRY_DELAY,
+                max_attempts: 1,
+            }),
+            // Retry all other 4xx and 5xx errors once.
+            HttpResponseError { status_code, .. }
+                if status_code.is_client_error() || status_code.is_server_error() =>
+            {
+                Some(RetryStrategy::Fixed {
+                    delay: BASE_RETRY_DELAY,
+                    max_attempts: 3,
+                })
+            }
+            Other(err)
+                if err.is::<language_model::PaymentRequiredError>()
+                    || err.is::<language_model::ModelRequestLimitReachedError>() =>
+            {
+                // Retrying won't help for Payment Required or Model Request Limit errors (where
+                // the user must upgrade to usage-based billing to get more requests, or else wait
+                // for a significant amount of time for the request limit to reset).
+                None
+            }
+            // Conservatively assume that any other errors are non-retryable
+            HttpResponseError { .. } | Other(..) => Some(RetryStrategy::Fixed {
+                delay: BASE_RETRY_DELAY,
+                max_attempts: 2,
+            }),
+        }
+    }
+}
+
+struct RunningTurn {
+    /// Holds the task that handles agent interaction until the end of the turn.
+    /// Survives across multiple requests as the model performs tool calls and
+    /// we run tools, report their results.
+    _task: Task<()>,
+    /// The current event stream for the running turn. Used to report a final
+    /// cancellation event if we cancel the turn.
+    event_stream: ThreadEventStream,
+    /// The tools that were enabled for this turn.
+    tools: BTreeMap<SharedString, Arc<dyn AnyAgentTool>>,
+}
+
+impl RunningTurn {
+    fn cancel(self) {
+        log::debug!("Cancelling in progress turn");
+        self.event_stream.send_canceled();
+    }
+}
+
+pub struct TokenUsageUpdated(pub Option<acp_thread::TokenUsage>);
+
+impl EventEmitter<TokenUsageUpdated> for Thread {}
+
+pub struct TitleUpdated;
+
+impl EventEmitter<TitleUpdated> for Thread {}
+
+pub trait AgentTool
+where
+    Self: 'static + Sized,
+{
+    type Input: for<'de> Deserialize<'de> + Serialize + JsonSchema;
+    type Output: for<'de> Deserialize<'de> + Serialize + Into<LanguageModelToolResultContent>;
+
+    fn name() -> &'static str;
+
+    fn description(&self) -> SharedString {
+        let schema = schemars::schema_for!(Self::Input);
+        SharedString::new(
+            schema
+                .get("description")
+                .and_then(|description| description.as_str())
+                .unwrap_or_default(),
+        )
+    }
+
+    fn kind() -> acp::ToolKind;
+
+    /// The initial tool title to display. Can be updated during the tool run.
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString;
+
+    /// Returns the JSON schema that describes the tool's input.
+    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Schema {
+        crate::tool_schema::root_schema_for::<Self::Input>(format)
+    }
+
+    /// Some tools rely on a provider for the underlying billing or other reasons.
+    /// Allow the tool to check if they are compatible, or should be filtered out.
+    fn supported_provider(&self, _provider: &LanguageModelProviderId) -> bool {
+        true
+    }
+
+    /// Runs the tool with the provided input.
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>>;
+
+    /// Emits events for a previous execution of the tool.
+    fn replay(
+        &self,
+        _input: Self::Input,
+        _output: Self::Output,
+        _event_stream: ToolCallEventStream,
+        _cx: &mut App,
+    ) -> Result<()> {
+        Ok(())
+    }
+
+    fn erase(self) -> Arc<dyn AnyAgentTool> {
+        Arc::new(Erased(Arc::new(self)))
+    }
+}
+
+pub struct Erased<T>(T);
+
+pub struct AgentToolOutput {
+    pub llm_output: LanguageModelToolResultContent,
+    pub raw_output: serde_json::Value,
+}
+
+pub trait AnyAgentTool {
+    fn name(&self) -> SharedString;
+    fn description(&self) -> SharedString;
+    fn kind(&self) -> acp::ToolKind;
+    fn initial_title(&self, input: serde_json::Value) -> SharedString;
+    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value>;
+    fn supported_provider(&self, _provider: &LanguageModelProviderId) -> bool {
+        true
+    }
+    fn run(
+        self: Arc<Self>,
+        input: serde_json::Value,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<AgentToolOutput>>;
+    fn replay(
+        &self,
+        input: serde_json::Value,
+        output: serde_json::Value,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Result<()>;
+}
+
+impl<T> AnyAgentTool for Erased<Arc<T>>
+where
+    T: AgentTool,
+{
+    fn name(&self) -> SharedString {
+        T::name().into()
+    }
+
+    fn description(&self) -> SharedString {
+        self.0.description()
+    }
+
+    fn kind(&self) -> agent_client_protocol::ToolKind {
+        T::kind()
+    }
+
+    fn initial_title(&self, input: serde_json::Value) -> SharedString {
+        let parsed_input = serde_json::from_value(input.clone()).map_err(|_| input);
+        self.0.initial_title(parsed_input)
+    }
+
+    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
+        let mut json = serde_json::to_value(self.0.input_schema(format))?;
+        adapt_schema_to_format(&mut json, format)?;
+        Ok(json)
+    }
+
+    fn supported_provider(&self, provider: &LanguageModelProviderId) -> bool {
+        self.0.supported_provider(provider)
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: serde_json::Value,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<AgentToolOutput>> {
+        cx.spawn(async move |cx| {
+            let input = serde_json::from_value(input)?;
+            let output = cx
+                .update(|cx| self.0.clone().run(input, event_stream, cx))?
+                .await?;
+            let raw_output = serde_json::to_value(&output)?;
+            Ok(AgentToolOutput {
+                llm_output: output.into(),
+                raw_output,
+            })
+        })
+    }
+
+    fn replay(
+        &self,
+        input: serde_json::Value,
+        output: serde_json::Value,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Result<()> {
+        let input = serde_json::from_value(input)?;
+        let output = serde_json::from_value(output)?;
+        self.0.replay(input, output, event_stream, cx)
+    }
+}
+
+#[derive(Clone)]
+struct ThreadEventStream(mpsc::UnboundedSender<Result<ThreadEvent>>);
+
+impl ThreadEventStream {
+    fn send_user_message(&self, message: &UserMessage) {
+        self.0
+            .unbounded_send(Ok(ThreadEvent::UserMessage(message.clone())))
+            .ok();
+    }
+
+    fn send_text(&self, text: &str) {
+        self.0
+            .unbounded_send(Ok(ThreadEvent::AgentText(text.to_string())))
+            .ok();
+    }
+
+    fn send_thinking(&self, text: &str) {
+        self.0
+            .unbounded_send(Ok(ThreadEvent::AgentThinking(text.to_string())))
+            .ok();
+    }
+
+    fn send_tool_call(
+        &self,
+        id: &LanguageModelToolUseId,
+        title: SharedString,
+        kind: acp::ToolKind,
+        input: serde_json::Value,
+    ) {
+        self.0
+            .unbounded_send(Ok(ThreadEvent::ToolCall(Self::initial_tool_call(
+                id,
+                title.to_string(),
+                kind,
+                input,
+            ))))
+            .ok();
+    }
+
+    fn initial_tool_call(
+        id: &LanguageModelToolUseId,
+        title: String,
+        kind: acp::ToolKind,
+        input: serde_json::Value,
+    ) -> acp::ToolCall {
+        acp::ToolCall {
+            id: acp::ToolCallId(id.to_string().into()),
+            title,
+            kind,
+            status: acp::ToolCallStatus::Pending,
+            content: vec![],
+            locations: vec![],
+            raw_input: Some(input),
+            raw_output: None,
+        }
+    }
+
+    fn update_tool_call_fields(
+        &self,
+        tool_use_id: &LanguageModelToolUseId,
+        fields: acp::ToolCallUpdateFields,
+    ) {
+        self.0
+            .unbounded_send(Ok(ThreadEvent::ToolCallUpdate(
+                acp::ToolCallUpdate {
+                    id: acp::ToolCallId(tool_use_id.to_string().into()),
+                    fields,
+                }
+                .into(),
+            )))
+            .ok();
+    }
+
+    fn send_retry(&self, status: acp_thread::RetryStatus) {
+        self.0.unbounded_send(Ok(ThreadEvent::Retry(status))).ok();
+    }
+
+    fn send_stop(&self, reason: acp::StopReason) {
+        self.0.unbounded_send(Ok(ThreadEvent::Stop(reason))).ok();
+    }
+
+    fn send_canceled(&self) {
+        self.0
+            .unbounded_send(Ok(ThreadEvent::Stop(acp::StopReason::Cancelled)))
+            .ok();
+    }
+
+    fn send_error(&self, error: impl Into<anyhow::Error>) {
+        self.0.unbounded_send(Err(error.into())).ok();
+    }
+}
+
+#[derive(Clone)]
+pub struct ToolCallEventStream {
+    tool_use_id: LanguageModelToolUseId,
+    stream: ThreadEventStream,
+    fs: Option<Arc<dyn Fs>>,
+}
+
+impl ToolCallEventStream {
+    #[cfg(test)]
+    pub fn test() -> (Self, ToolCallEventStreamReceiver) {
+        let (events_tx, events_rx) = mpsc::unbounded::<Result<ThreadEvent>>();
+
+        let stream = ToolCallEventStream::new("test_id".into(), ThreadEventStream(events_tx), None);
+
+        (stream, ToolCallEventStreamReceiver(events_rx))
+    }
+
+    fn new(
+        tool_use_id: LanguageModelToolUseId,
+        stream: ThreadEventStream,
+        fs: Option<Arc<dyn Fs>>,
+    ) -> Self {
+        Self {
+            tool_use_id,
+            stream,
+            fs,
+        }
+    }
+
+    pub fn update_fields(&self, fields: acp::ToolCallUpdateFields) {
+        self.stream
+            .update_tool_call_fields(&self.tool_use_id, fields);
+    }
+
+    pub fn update_diff(&self, diff: Entity<acp_thread::Diff>) {
+        self.stream
+            .0
+            .unbounded_send(Ok(ThreadEvent::ToolCallUpdate(
+                acp_thread::ToolCallUpdateDiff {
+                    id: acp::ToolCallId(self.tool_use_id.to_string().into()),
+                    diff,
+                }
+                .into(),
+            )))
+            .ok();
+    }
+
+    pub fn update_terminal(&self, terminal: Entity<acp_thread::Terminal>) {
+        self.stream
+            .0
+            .unbounded_send(Ok(ThreadEvent::ToolCallUpdate(
+                acp_thread::ToolCallUpdateTerminal {
+                    id: acp::ToolCallId(self.tool_use_id.to_string().into()),
+                    terminal,
+                }
+                .into(),
+            )))
+            .ok();
+    }
+
+    pub fn authorize(&self, title: impl Into<String>, cx: &mut App) -> Task<Result<()>> {
+        if agent_settings::AgentSettings::get_global(cx).always_allow_tool_actions {
+            return Task::ready(Ok(()));
+        }
+
+        let (response_tx, response_rx) = oneshot::channel();
+        self.stream
+            .0
+            .unbounded_send(Ok(ThreadEvent::ToolCallAuthorization(
+                ToolCallAuthorization {
+                    tool_call: acp::ToolCallUpdate {
+                        id: acp::ToolCallId(self.tool_use_id.to_string().into()),
+                        fields: acp::ToolCallUpdateFields {
+                            title: Some(title.into()),
+                            ..Default::default()
+                        },
+                    },
+                    options: vec![
+                        acp::PermissionOption {
+                            id: acp::PermissionOptionId("always_allow".into()),
+                            name: "Always Allow".into(),
+                            kind: acp::PermissionOptionKind::AllowAlways,
+                        },
+                        acp::PermissionOption {
+                            id: acp::PermissionOptionId("allow".into()),
+                            name: "Allow".into(),
+                            kind: acp::PermissionOptionKind::AllowOnce,
+                        },
+                        acp::PermissionOption {
+                            id: acp::PermissionOptionId("deny".into()),
+                            name: "Deny".into(),
+                            kind: acp::PermissionOptionKind::RejectOnce,
+                        },
+                    ],
+                    response: response_tx,
+                },
+            )))
+            .ok();
+        let fs = self.fs.clone();
+        cx.spawn(async move |cx| match response_rx.await?.0.as_ref() {
+            "always_allow" => {
+                if let Some(fs) = fs.clone() {
+                    cx.update(|cx| {
+                        update_settings_file::<AgentSettings>(fs, cx, |settings, _| {
+                            settings.set_always_allow_tool_actions(true);
+                        });
+                    })?;
+                }
+
+                Ok(())
+            }
+            "allow" => Ok(()),
+            _ => Err(anyhow!("Permission to run tool denied by user")),
+        })
+    }
+}
+
+#[cfg(test)]
+pub struct ToolCallEventStreamReceiver(mpsc::UnboundedReceiver<Result<ThreadEvent>>);
+
+#[cfg(test)]
+impl ToolCallEventStreamReceiver {
+    pub async fn expect_authorization(&mut self) -> ToolCallAuthorization {
+        let event = self.0.next().await;
+        if let Some(Ok(ThreadEvent::ToolCallAuthorization(auth))) = event {
+            auth
+        } else {
+            panic!("Expected ToolCallAuthorization but got: {:?}", event);
+        }
+    }
+
+    pub async fn expect_update_fields(&mut self) -> acp::ToolCallUpdateFields {
+        let event = self.0.next().await;
+        if let Some(Ok(ThreadEvent::ToolCallUpdate(acp_thread::ToolCallUpdate::UpdateFields(
+            update,
+        )))) = event
+        {
+            update.fields
+        } else {
+            panic!("Expected update fields but got: {:?}", event);
+        }
+    }
+
+    pub async fn expect_diff(&mut self) -> Entity<acp_thread::Diff> {
+        let event = self.0.next().await;
+        if let Some(Ok(ThreadEvent::ToolCallUpdate(acp_thread::ToolCallUpdate::UpdateDiff(
+            update,
+        )))) = event
+        {
+            update.diff
+        } else {
+            panic!("Expected diff but got: {:?}", event);
+        }
+    }
+
+    pub async fn expect_terminal(&mut self) -> Entity<acp_thread::Terminal> {
+        let event = self.0.next().await;
+        if let Some(Ok(ThreadEvent::ToolCallUpdate(acp_thread::ToolCallUpdate::UpdateTerminal(
+            update,
+        )))) = event
+        {
+            update.terminal
+        } else {
+            panic!("Expected terminal but got: {:?}", event);
+        }
+    }
+}
+
+#[cfg(test)]
+impl std::ops::Deref for ToolCallEventStreamReceiver {
+    type Target = mpsc::UnboundedReceiver<Result<ThreadEvent>>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+#[cfg(test)]
+impl std::ops::DerefMut for ToolCallEventStreamReceiver {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+impl From<&str> for UserMessageContent {
+    fn from(text: &str) -> Self {
+        Self::Text(text.into())
+    }
+}
+
+impl From<acp::ContentBlock> for UserMessageContent {
+    fn from(value: acp::ContentBlock) -> Self {
+        match value {
+            acp::ContentBlock::Text(text_content) => Self::Text(text_content.text),
+            acp::ContentBlock::Image(image_content) => Self::Image(convert_image(image_content)),
+            acp::ContentBlock::Audio(_) => {
+                // TODO
+                Self::Text("[audio]".to_string())
+            }
+            acp::ContentBlock::ResourceLink(resource_link) => {
+                match MentionUri::parse(&resource_link.uri) {
+                    Ok(uri) => Self::Mention {
+                        uri,
+                        content: String::new(),
+                    },
+                    Err(err) => {
+                        log::error!("Failed to parse mention link: {}", err);
+                        Self::Text(format!("[{}]({})", resource_link.name, resource_link.uri))
+                    }
+                }
+            }
+            acp::ContentBlock::Resource(resource) => match resource.resource {
+                acp::EmbeddedResourceResource::TextResourceContents(resource) => {
+                    match MentionUri::parse(&resource.uri) {
+                        Ok(uri) => Self::Mention {
+                            uri,
+                            content: resource.text,
+                        },
+                        Err(err) => {
+                            log::error!("Failed to parse mention link: {}", err);
+                            Self::Text(
+                                MarkdownCodeBlock {
+                                    tag: &resource.uri,
+                                    text: &resource.text,
+                                }
+                                .to_string(),
+                            )
+                        }
+                    }
+                }
+                acp::EmbeddedResourceResource::BlobResourceContents(_) => {
+                    // TODO
+                    Self::Text("[blob]".to_string())
+                }
+            },
+        }
+    }
+}
+
+impl From<UserMessageContent> for acp::ContentBlock {
+    fn from(content: UserMessageContent) -> Self {
+        match content {
+            UserMessageContent::Text(text) => acp::ContentBlock::Text(acp::TextContent {
+                text,
+                annotations: None,
+            }),
+            UserMessageContent::Image(image) => acp::ContentBlock::Image(acp::ImageContent {
+                data: image.source.to_string(),
+                mime_type: "image/png".to_string(),
+                annotations: None,
+                uri: None,
+            }),
+            UserMessageContent::Mention { uri, content } => {
+                acp::ContentBlock::Resource(acp::EmbeddedResource {
+                    resource: acp::EmbeddedResourceResource::TextResourceContents(
+                        acp::TextResourceContents {
+                            mime_type: None,
+                            text: content,
+                            uri: uri.to_uri().to_string(),
+                        },
+                    ),
+                    annotations: None,
+                })
+            }
+        }
+    }
+}
+
+fn convert_image(image_content: acp::ImageContent) -> LanguageModelImage {
+    LanguageModelImage {
+        source: image_content.data.into(),
+        // TODO: make this optional?
+        size: gpui::Size::new(0.into(), 0.into()),
+    }
+}
diff --git a/crates/agent2/src/tool_schema.rs b/crates/agent2/src/tool_schema.rs
new file mode 100644
index 0000000000..f608336b41
--- /dev/null
+++ b/crates/agent2/src/tool_schema.rs
@@ -0,0 +1,43 @@
+use language_model::LanguageModelToolSchemaFormat;
+use schemars::{
+    JsonSchema, Schema,
+    generate::SchemaSettings,
+    transform::{Transform, transform_subschemas},
+};
+
+pub(crate) fn root_schema_for<T: JsonSchema>(format: LanguageModelToolSchemaFormat) -> Schema {
+    let mut generator = match format {
+        LanguageModelToolSchemaFormat::JsonSchema => SchemaSettings::draft07().into_generator(),
+        LanguageModelToolSchemaFormat::JsonSchemaSubset => SchemaSettings::openapi3()
+            .with(|settings| {
+                settings.meta_schema = None;
+                settings.inline_subschemas = true;
+            })
+            .with_transform(ToJsonSchemaSubsetTransform)
+            .into_generator(),
+    };
+    generator.root_schema_for::<T>()
+}
+
+#[derive(Debug, Clone)]
+struct ToJsonSchemaSubsetTransform;
+
+impl Transform for ToJsonSchemaSubsetTransform {
+    fn transform(&mut self, schema: &mut Schema) {
+        // Ensure that the type field is not an array, this happens when we use
+        // Option<T>, the type will be [T, "null"].
+        if let Some(type_field) = schema.get_mut("type")
+            && let Some(types) = type_field.as_array()
+            && let Some(first_type) = types.first()
+        {
+            *type_field = first_type.clone();
+        }
+
+        // oneOf is not supported, use anyOf instead
+        if let Some(one_of) = schema.remove("oneOf") {
+            schema.insert("anyOf".to_string(), one_of);
+        }
+
+        transform_subschemas(self, schema);
+    }
+}
diff --git a/crates/agent2/src/tools.rs b/crates/agent2/src/tools.rs
new file mode 100644
index 0000000000..bcca7eecd1
--- /dev/null
+++ b/crates/agent2/src/tools.rs
@@ -0,0 +1,60 @@
+mod context_server_registry;
+mod copy_path_tool;
+mod create_directory_tool;
+mod delete_path_tool;
+mod diagnostics_tool;
+mod edit_file_tool;
+mod fetch_tool;
+mod find_path_tool;
+mod grep_tool;
+mod list_directory_tool;
+mod move_path_tool;
+mod now_tool;
+mod open_tool;
+mod read_file_tool;
+mod terminal_tool;
+mod thinking_tool;
+mod web_search_tool;
+
+/// A list of all built in tool names, for use in deduplicating MCP tool names
+pub fn default_tool_names() -> impl Iterator<Item = &'static str> {
+    [
+        CopyPathTool::name(),
+        CreateDirectoryTool::name(),
+        DeletePathTool::name(),
+        DiagnosticsTool::name(),
+        EditFileTool::name(),
+        FetchTool::name(),
+        FindPathTool::name(),
+        GrepTool::name(),
+        ListDirectoryTool::name(),
+        MovePathTool::name(),
+        NowTool::name(),
+        OpenTool::name(),
+        ReadFileTool::name(),
+        TerminalTool::name(),
+        ThinkingTool::name(),
+        WebSearchTool::name(),
+    ]
+    .into_iter()
+}
+
+pub use context_server_registry::*;
+pub use copy_path_tool::*;
+pub use create_directory_tool::*;
+pub use delete_path_tool::*;
+pub use diagnostics_tool::*;
+pub use edit_file_tool::*;
+pub use fetch_tool::*;
+pub use find_path_tool::*;
+pub use grep_tool::*;
+pub use list_directory_tool::*;
+pub use move_path_tool::*;
+pub use now_tool::*;
+pub use open_tool::*;
+pub use read_file_tool::*;
+pub use terminal_tool::*;
+pub use thinking_tool::*;
+pub use web_search_tool::*;
+
+use crate::AgentTool;
diff --git a/crates/agent2/src/tools/context_server_registry.rs b/crates/agent2/src/tools/context_server_registry.rs
new file mode 100644
index 0000000000..c7963fa6e6
--- /dev/null
+++ b/crates/agent2/src/tools/context_server_registry.rs
@@ -0,0 +1,239 @@
+use crate::{AgentToolOutput, AnyAgentTool, ToolCallEventStream};
+use agent_client_protocol::ToolKind;
+use anyhow::{Result, anyhow, bail};
+use collections::{BTreeMap, HashMap};
+use context_server::ContextServerId;
+use gpui::{App, Context, Entity, SharedString, Task};
+use project::context_server_store::{ContextServerStatus, ContextServerStore};
+use std::sync::Arc;
+use util::ResultExt;
+
+pub struct ContextServerRegistry {
+    server_store: Entity<ContextServerStore>,
+    registered_servers: HashMap<ContextServerId, RegisteredContextServer>,
+    _subscription: gpui::Subscription,
+}
+
+struct RegisteredContextServer {
+    tools: BTreeMap<SharedString, Arc<dyn AnyAgentTool>>,
+    load_tools: Task<Result<()>>,
+}
+
+impl ContextServerRegistry {
+    pub fn new(server_store: Entity<ContextServerStore>, cx: &mut Context<Self>) -> Self {
+        let mut this = Self {
+            server_store: server_store.clone(),
+            registered_servers: HashMap::default(),
+            _subscription: cx.subscribe(&server_store, Self::handle_context_server_store_event),
+        };
+        for server in server_store.read(cx).running_servers() {
+            this.reload_tools_for_server(server.id(), cx);
+        }
+        this
+    }
+
+    pub fn servers(
+        &self,
+    ) -> impl Iterator<
+        Item = (
+            &ContextServerId,
+            &BTreeMap<SharedString, Arc<dyn AnyAgentTool>>,
+        ),
+    > {
+        self.registered_servers
+            .iter()
+            .map(|(id, server)| (id, &server.tools))
+    }
+
+    fn reload_tools_for_server(&mut self, server_id: ContextServerId, cx: &mut Context<Self>) {
+        let Some(server) = self.server_store.read(cx).get_running_server(&server_id) else {
+            return;
+        };
+        let Some(client) = server.client() else {
+            return;
+        };
+        if !client.capable(context_server::protocol::ServerCapability::Tools) {
+            return;
+        }
+
+        let registered_server =
+            self.registered_servers
+                .entry(server_id.clone())
+                .or_insert(RegisteredContextServer {
+                    tools: BTreeMap::default(),
+                    load_tools: Task::ready(Ok(())),
+                });
+        registered_server.load_tools = cx.spawn(async move |this, cx| {
+            let response = client
+                .request::<context_server::types::requests::ListTools>(())
+                .await;
+
+            this.update(cx, |this, cx| {
+                let Some(registered_server) = this.registered_servers.get_mut(&server_id) else {
+                    return;
+                };
+
+                registered_server.tools.clear();
+                if let Some(response) = response.log_err() {
+                    for tool in response.tools {
+                        let tool = Arc::new(ContextServerTool::new(
+                            this.server_store.clone(),
+                            server.id(),
+                            tool,
+                        ));
+                        registered_server.tools.insert(tool.name(), tool);
+                    }
+                    cx.notify();
+                }
+            })
+        });
+    }
+
+    fn handle_context_server_store_event(
+        &mut self,
+        _: Entity<ContextServerStore>,
+        event: &project::context_server_store::Event,
+        cx: &mut Context<Self>,
+    ) {
+        match event {
+            project::context_server_store::Event::ServerStatusChanged { server_id, status } => {
+                match status {
+                    ContextServerStatus::Starting => {}
+                    ContextServerStatus::Running => {
+                        self.reload_tools_for_server(server_id.clone(), cx);
+                    }
+                    ContextServerStatus::Stopped | ContextServerStatus::Error(_) => {
+                        self.registered_servers.remove(server_id);
+                        cx.notify();
+                    }
+                }
+            }
+        }
+    }
+}
+
+struct ContextServerTool {
+    store: Entity<ContextServerStore>,
+    server_id: ContextServerId,
+    tool: context_server::types::Tool,
+}
+
+impl ContextServerTool {
+    fn new(
+        store: Entity<ContextServerStore>,
+        server_id: ContextServerId,
+        tool: context_server::types::Tool,
+    ) -> Self {
+        Self {
+            store,
+            server_id,
+            tool,
+        }
+    }
+}
+
+impl AnyAgentTool for ContextServerTool {
+    fn name(&self) -> SharedString {
+        self.tool.name.clone().into()
+    }
+
+    fn description(&self) -> SharedString {
+        self.tool.description.clone().unwrap_or_default().into()
+    }
+
+    fn kind(&self) -> ToolKind {
+        ToolKind::Other
+    }
+
+    fn initial_title(&self, _input: serde_json::Value) -> SharedString {
+        format!("Run MCP tool `{}`", self.tool.name).into()
+    }
+
+    fn input_schema(
+        &self,
+        format: language_model::LanguageModelToolSchemaFormat,
+    ) -> Result<serde_json::Value> {
+        let mut schema = self.tool.input_schema.clone();
+        assistant_tool::adapt_schema_to_format(&mut schema, format)?;
+        Ok(match schema {
+            serde_json::Value::Null => {
+                serde_json::json!({ "type": "object", "properties": [] })
+            }
+            serde_json::Value::Object(map) if map.is_empty() => {
+                serde_json::json!({ "type": "object", "properties": [] })
+            }
+            _ => schema,
+        })
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: serde_json::Value,
+        _event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<AgentToolOutput>> {
+        let Some(server) = self.store.read(cx).get_running_server(&self.server_id) else {
+            return Task::ready(Err(anyhow!("Context server not found")));
+        };
+        let tool_name = self.tool.name.clone();
+
+        cx.spawn(async move |_cx| {
+            let Some(protocol) = server.client() else {
+                bail!("Context server not initialized");
+            };
+
+            let arguments = if let serde_json::Value::Object(map) = input {
+                Some(map.into_iter().collect())
+            } else {
+                None
+            };
+
+            log::trace!(
+                "Running tool: {} with arguments: {:?}",
+                tool_name,
+                arguments
+            );
+            let response = protocol
+                .request::<context_server::types::requests::CallTool>(
+                    context_server::types::CallToolParams {
+                        name: tool_name,
+                        arguments,
+                        meta: None,
+                    },
+                )
+                .await?;
+
+            let mut result = String::new();
+            for content in response.content {
+                match content {
+                    context_server::types::ToolResponseContent::Text { text } => {
+                        result.push_str(&text);
+                    }
+                    context_server::types::ToolResponseContent::Image { .. } => {
+                        log::warn!("Ignoring image content from tool response");
+                    }
+                    context_server::types::ToolResponseContent::Audio { .. } => {
+                        log::warn!("Ignoring audio content from tool response");
+                    }
+                    context_server::types::ToolResponseContent::Resource { .. } => {
+                        log::warn!("Ignoring resource content from tool response");
+                    }
+                }
+            }
+            Ok(AgentToolOutput {
+                raw_output: result.clone().into(),
+                llm_output: result.into(),
+            })
+        })
+    }
+
+    fn replay(
+        &self,
+        _input: serde_json::Value,
+        _output: serde_json::Value,
+        _event_stream: ToolCallEventStream,
+        _cx: &mut App,
+    ) -> Result<()> {
+        Ok(())
+    }
+}
diff --git a/crates/agent2/src/tools/copy_path_tool.rs b/crates/agent2/src/tools/copy_path_tool.rs
new file mode 100644
index 0000000000..819a6ff209
--- /dev/null
+++ b/crates/agent2/src/tools/copy_path_tool.rs
@@ -0,0 +1,111 @@
+use crate::{AgentTool, ToolCallEventStream};
+use agent_client_protocol::ToolKind;
+use anyhow::{Context as _, Result, anyhow};
+use gpui::{App, AppContext, Entity, Task};
+use project::Project;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use std::sync::Arc;
+use util::markdown::MarkdownInlineCode;
+
+/// Copies a file or directory in the project, and returns confirmation that the copy succeeded.
+/// Directory contents will be copied recursively (like `cp -r`).
+///
+/// This tool should be used when it's desirable to create a copy of a file or directory without modifying the original.
+/// It's much more efficient than doing this by separately reading and then writing the file or directory's contents, so this tool should be preferred over that approach whenever copying is the goal.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct CopyPathToolInput {
+    /// The source path of the file or directory to copy.
+    /// If a directory is specified, its contents will be copied recursively (like `cp -r`).
+    ///
+    /// <example>
+    /// If the project has the following files:
+    ///
+    /// - directory1/a/something.txt
+    /// - directory2/a/things.txt
+    /// - directory3/a/other.txt
+    ///
+    /// You can copy the first file by providing a source_path of "directory1/a/something.txt"
+    /// </example>
+    pub source_path: String,
+    /// The destination path where the file or directory should be copied to.
+    ///
+    /// <example>
+    /// To copy "directory1/a/something.txt" to "directory2/b/copy.txt", provide a destination_path of "directory2/b/copy.txt"
+    /// </example>
+    pub destination_path: String,
+}
+
+pub struct CopyPathTool {
+    project: Entity<Project>,
+}
+
+impl CopyPathTool {
+    pub fn new(project: Entity<Project>) -> Self {
+        Self { project }
+    }
+}
+
+impl AgentTool for CopyPathTool {
+    type Input = CopyPathToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "copy_path"
+    }
+
+    fn kind() -> ToolKind {
+        ToolKind::Move
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> ui::SharedString {
+        if let Ok(input) = input {
+            let src = MarkdownInlineCode(&input.source_path);
+            let dest = MarkdownInlineCode(&input.destination_path);
+            format!("Copy {src} to {dest}").into()
+        } else {
+            "Copy path".into()
+        }
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        let copy_task = self.project.update(cx, |project, cx| {
+            match project
+                .find_project_path(&input.source_path, cx)
+                .and_then(|project_path| project.entry_for_path(&project_path, cx))
+            {
+                Some(entity) => match project.find_project_path(&input.destination_path, cx) {
+                    Some(project_path) => {
+                        project.copy_entry(entity.id, None, project_path.path, cx)
+                    }
+                    None => Task::ready(Err(anyhow!(
+                        "Destination path {} was outside the project.",
+                        input.destination_path
+                    ))),
+                },
+                None => Task::ready(Err(anyhow!(
+                    "Source path {} was not found in the project.",
+                    input.source_path
+                ))),
+            }
+        });
+
+        cx.background_spawn(async move {
+            let _ = copy_task.await.with_context(|| {
+                format!(
+                    "Copying {} to {}",
+                    input.source_path, input.destination_path
+                )
+            })?;
+            Ok(format!(
+                "Copied {} to {}",
+                input.source_path, input.destination_path
+            ))
+        })
+    }
+}
diff --git a/crates/agent2/src/tools/create_directory_tool.rs b/crates/agent2/src/tools/create_directory_tool.rs
new file mode 100644
index 0000000000..652363d5fa
--- /dev/null
+++ b/crates/agent2/src/tools/create_directory_tool.rs
@@ -0,0 +1,86 @@
+use agent_client_protocol::ToolKind;
+use anyhow::{Context as _, Result, anyhow};
+use gpui::{App, Entity, SharedString, Task};
+use project::Project;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use std::sync::Arc;
+use util::markdown::MarkdownInlineCode;
+
+use crate::{AgentTool, ToolCallEventStream};
+
+/// Creates a new directory at the specified path within the project. Returns confirmation that the directory was created.
+///
+/// This tool creates a directory and all necessary parent directories (similar to `mkdir -p`). It should be used whenever you need to create new directories within the project.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct CreateDirectoryToolInput {
+    /// The path of the new directory.
+    ///
+    /// <example>
+    /// If the project has the following structure:
+    ///
+    /// - directory1/
+    /// - directory2/
+    ///
+    /// You can create a new directory by providing a path of "directory1/new_directory"
+    /// </example>
+    pub path: String,
+}
+
+pub struct CreateDirectoryTool {
+    project: Entity<Project>,
+}
+
+impl CreateDirectoryTool {
+    pub fn new(project: Entity<Project>) -> Self {
+        Self { project }
+    }
+}
+
+impl AgentTool for CreateDirectoryTool {
+    type Input = CreateDirectoryToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "create_directory"
+    }
+
+    fn kind() -> ToolKind {
+        ToolKind::Read
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        if let Ok(input) = input {
+            format!("Create directory {}", MarkdownInlineCode(&input.path)).into()
+        } else {
+            "Create directory".into()
+        }
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        let project_path = match self.project.read(cx).find_project_path(&input.path, cx) {
+            Some(project_path) => project_path,
+            None => {
+                return Task::ready(Err(anyhow!("Path to create was outside the project")));
+            }
+        };
+        let destination_path: Arc<str> = input.path.as_str().into();
+
+        let create_entry = self.project.update(cx, |project, cx| {
+            project.create_entry(project_path.clone(), true, cx)
+        });
+
+        cx.spawn(async move |_cx| {
+            create_entry
+                .await
+                .with_context(|| format!("Creating directory {destination_path}"))?;
+
+            Ok(format!("Created directory {destination_path}"))
+        })
+    }
+}
diff --git a/crates/agent2/src/tools/delete_path_tool.rs b/crates/agent2/src/tools/delete_path_tool.rs
new file mode 100644
index 0000000000..0f9641127f
--- /dev/null
+++ b/crates/agent2/src/tools/delete_path_tool.rs
@@ -0,0 +1,136 @@
+use crate::{AgentTool, ToolCallEventStream};
+use action_log::ActionLog;
+use agent_client_protocol::ToolKind;
+use anyhow::{Context as _, Result, anyhow};
+use futures::{SinkExt, StreamExt, channel::mpsc};
+use gpui::{App, AppContext, Entity, SharedString, Task};
+use project::{Project, ProjectPath};
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use std::sync::Arc;
+
+/// Deletes the file or directory (and the directory's contents, recursively) at the specified path in the project, and returns confirmation of the deletion.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct DeletePathToolInput {
+    /// The path of the file or directory to delete.
+    ///
+    /// <example>
+    /// If the project has the following files:
+    ///
+    /// - directory1/a/something.txt
+    /// - directory2/a/things.txt
+    /// - directory3/a/other.txt
+    ///
+    /// You can delete the first file by providing a path of "directory1/a/something.txt"
+    /// </example>
+    pub path: String,
+}
+
+pub struct DeletePathTool {
+    project: Entity<Project>,
+    action_log: Entity<ActionLog>,
+}
+
+impl DeletePathTool {
+    pub fn new(project: Entity<Project>, action_log: Entity<ActionLog>) -> Self {
+        Self {
+            project,
+            action_log,
+        }
+    }
+}
+
+impl AgentTool for DeletePathTool {
+    type Input = DeletePathToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "delete_path"
+    }
+
+    fn kind() -> ToolKind {
+        ToolKind::Delete
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        if let Ok(input) = input {
+            format!("Delete “`{}`”", input.path).into()
+        } else {
+            "Delete path".into()
+        }
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        let path = input.path;
+        let Some(project_path) = self.project.read(cx).find_project_path(&path, cx) else {
+            return Task::ready(Err(anyhow!(
+                "Couldn't delete {path} because that path isn't in this project."
+            )));
+        };
+
+        let Some(worktree) = self
+            .project
+            .read(cx)
+            .worktree_for_id(project_path.worktree_id, cx)
+        else {
+            return Task::ready(Err(anyhow!(
+                "Couldn't delete {path} because that path isn't in this project."
+            )));
+        };
+
+        let worktree_snapshot = worktree.read(cx).snapshot();
+        let (mut paths_tx, mut paths_rx) = mpsc::channel(256);
+        cx.background_spawn({
+            let project_path = project_path.clone();
+            async move {
+                for entry in
+                    worktree_snapshot.traverse_from_path(true, false, false, &project_path.path)
+                {
+                    if !entry.path.starts_with(&project_path.path) {
+                        break;
+                    }
+                    paths_tx
+                        .send(ProjectPath {
+                            worktree_id: project_path.worktree_id,
+                            path: entry.path.clone(),
+                        })
+                        .await?;
+                }
+                anyhow::Ok(())
+            }
+        })
+        .detach();
+
+        let project = self.project.clone();
+        let action_log = self.action_log.clone();
+        cx.spawn(async move |cx| {
+            while let Some(path) = paths_rx.next().await {
+                if let Ok(buffer) = project
+                    .update(cx, |project, cx| project.open_buffer(path, cx))?
+                    .await
+                {
+                    action_log.update(cx, |action_log, cx| {
+                        action_log.will_delete_buffer(buffer.clone(), cx)
+                    })?;
+                }
+            }
+
+            let deletion_task = project
+                .update(cx, |project, cx| {
+                    project.delete_file(project_path, false, cx)
+                })?
+                .with_context(|| {
+                    format!("Couldn't delete {path} because that path isn't in this project.")
+                })?;
+            deletion_task
+                .await
+                .with_context(|| format!("Deleting {path}"))?;
+            Ok(format!("Deleted {path}"))
+        })
+    }
+}
diff --git a/crates/agent2/src/tools/diagnostics_tool.rs b/crates/agent2/src/tools/diagnostics_tool.rs
new file mode 100644
index 0000000000..558bb918ce
--- /dev/null
+++ b/crates/agent2/src/tools/diagnostics_tool.rs
@@ -0,0 +1,163 @@
+use crate::{AgentTool, ToolCallEventStream};
+use agent_client_protocol as acp;
+use anyhow::{Result, anyhow};
+use gpui::{App, Entity, Task};
+use language::{DiagnosticSeverity, OffsetRangeExt};
+use project::Project;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use std::{fmt::Write, path::Path, sync::Arc};
+use ui::SharedString;
+use util::markdown::MarkdownInlineCode;
+
+/// Get errors and warnings for the project or a specific file.
+///
+/// This tool can be invoked after a series of edits to determine if further edits are necessary, or if the user asks to fix errors or warnings in their codebase.
+///
+/// When a path is provided, shows all diagnostics for that specific file.
+/// When no path is provided, shows a summary of error and warning counts for all files in the project.
+///
+/// <example>
+/// To get diagnostics for a specific file:
+/// {
+///     "path": "src/main.rs"
+/// }
+///
+/// To get a project-wide diagnostic summary:
+/// {}
+/// </example>
+///
+/// <guidelines>
+/// - If you think you can fix a diagnostic, make 1-2 attempts and then give up.
+/// - Don't remove code you've generated just because you can't fix an error. The user can help you fix it.
+/// </guidelines>
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct DiagnosticsToolInput {
+    /// The path to get diagnostics for. If not provided, returns a project-wide summary.
+    ///
+    /// This path should never be absolute, and the first component
+    /// of the path should always be a root directory in a project.
+    ///
+    /// <example>
+    /// If the project has the following root directories:
+    ///
+    /// - lorem
+    /// - ipsum
+    ///
+    /// If you wanna access diagnostics for `dolor.txt` in `ipsum`, you should use the path `ipsum/dolor.txt`.
+    /// </example>
+    pub path: Option<String>,
+}
+
+pub struct DiagnosticsTool {
+    project: Entity<Project>,
+}
+
+impl DiagnosticsTool {
+    pub fn new(project: Entity<Project>) -> Self {
+        Self { project }
+    }
+}
+
+impl AgentTool for DiagnosticsTool {
+    type Input = DiagnosticsToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "diagnostics"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Read
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        if let Some(path) = input.ok().and_then(|input| match input.path {
+            Some(path) if !path.is_empty() => Some(path),
+            _ => None,
+        }) {
+            format!("Check diagnostics for {}", MarkdownInlineCode(&path)).into()
+        } else {
+            "Check project diagnostics".into()
+        }
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        match input.path {
+            Some(path) if !path.is_empty() => {
+                let Some(project_path) = self.project.read(cx).find_project_path(&path, cx) else {
+                    return Task::ready(Err(anyhow!("Could not find path {path} in project",)));
+                };
+
+                let buffer = self
+                    .project
+                    .update(cx, |project, cx| project.open_buffer(project_path, cx));
+
+                cx.spawn(async move |cx| {
+                    let mut output = String::new();
+                    let buffer = buffer.await?;
+                    let snapshot = buffer.read_with(cx, |buffer, _cx| buffer.snapshot())?;
+
+                    for (_, group) in snapshot.diagnostic_groups(None) {
+                        let entry = &group.entries[group.primary_ix];
+                        let range = entry.range.to_point(&snapshot);
+                        let severity = match entry.diagnostic.severity {
+                            DiagnosticSeverity::ERROR => "error",
+                            DiagnosticSeverity::WARNING => "warning",
+                            _ => continue,
+                        };
+
+                        writeln!(
+                            output,
+                            "{} at line {}: {}",
+                            severity,
+                            range.start.row + 1,
+                            entry.diagnostic.message
+                        )?;
+                    }
+
+                    if output.is_empty() {
+                        Ok("File doesn't have errors or warnings!".to_string())
+                    } else {
+                        Ok(output)
+                    }
+                })
+            }
+            _ => {
+                let project = self.project.read(cx);
+                let mut output = String::new();
+                let mut has_diagnostics = false;
+
+                for (project_path, _, summary) in project.diagnostic_summaries(true, cx) {
+                    if summary.error_count > 0 || summary.warning_count > 0 {
+                        let Some(worktree) = project.worktree_for_id(project_path.worktree_id, cx)
+                        else {
+                            continue;
+                        };
+
+                        has_diagnostics = true;
+                        output.push_str(&format!(
+                            "{}: {} error(s), {} warning(s)\n",
+                            Path::new(worktree.read(cx).root_name())
+                                .join(project_path.path)
+                                .display(),
+                            summary.error_count,
+                            summary.warning_count
+                        ));
+                    }
+                }
+
+                if has_diagnostics {
+                    Task::ready(Ok(output))
+                } else {
+                    Task::ready(Ok("No errors or warnings found in the project.".into()))
+                }
+            }
+        }
+    }
+}
diff --git a/crates/agent2/src/tools/edit_file_tool.rs b/crates/agent2/src/tools/edit_file_tool.rs
new file mode 100644
index 0000000000..f86bfd25f7
--- /dev/null
+++ b/crates/agent2/src/tools/edit_file_tool.rs
@@ -0,0 +1,1657 @@
+use crate::{AgentTool, Thread, ToolCallEventStream};
+use acp_thread::Diff;
+use agent_client_protocol::{self as acp, ToolCallLocation, ToolCallUpdateFields};
+use anyhow::{Context as _, Result, anyhow};
+use assistant_tools::edit_agent::{EditAgent, EditAgentOutput, EditAgentOutputEvent, EditFormat};
+use cloud_llm_client::CompletionIntent;
+use collections::HashSet;
+use gpui::{App, AppContext, AsyncApp, Entity, Task, WeakEntity};
+use indoc::formatdoc;
+use language::language_settings::{self, FormatOnSave};
+use language::{LanguageRegistry, ToPoint};
+use language_model::LanguageModelToolResultContent;
+use paths;
+use project::lsp_store::{FormatTrigger, LspFormatTarget};
+use project::{Project, ProjectPath};
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use settings::Settings;
+use smol::stream::StreamExt as _;
+use std::path::{Path, PathBuf};
+use std::sync::Arc;
+use ui::SharedString;
+use util::ResultExt;
+
+const DEFAULT_UI_TEXT: &str = "Editing file";
+
+/// This is a tool for creating a new file or editing an existing file. For moving or renaming files, you should generally use the `terminal` tool with the 'mv' command instead.
+///
+/// Before using this tool:
+///
+/// 1. Use the `read_file` tool to understand the file's contents and context
+///
+/// 2. Verify the directory path is correct (only applicable when creating new files):
+///    - Use the `list_directory` tool to verify the parent directory exists and is the correct location
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct EditFileToolInput {
+    /// A one-line, user-friendly markdown description of the edit. This will be shown in the UI and also passed to another model to perform the edit.
+    ///
+    /// Be terse, but also descriptive in what you want to achieve with this edit. Avoid generic instructions.
+    ///
+    /// NEVER mention the file path in this description.
+    ///
+    /// <example>Fix API endpoint URLs</example>
+    /// <example>Update copyright year in `page_footer`</example>
+    ///
+    /// Make sure to include this field before all the others in the input object so that we can display it immediately.
+    pub display_description: String,
+
+    /// The full path of the file to create or modify in the project.
+    ///
+    /// WARNING: When specifying which file path need changing, you MUST start each path with one of the project's root directories.
+    ///
+    /// The following examples assume we have two root directories in the project:
+    /// - /a/b/backend
+    /// - /c/d/frontend
+    ///
+    /// <example>
+    /// `backend/src/main.rs`
+    ///
+    /// Notice how the file path starts with `backend`. Without that, the path would be ambiguous and the call would fail!
+    /// </example>
+    ///
+    /// <example>
+    /// `frontend/db.js`
+    /// </example>
+    pub path: PathBuf,
+    /// The mode of operation on the file. Possible values:
+    /// - 'edit': Make granular edits to an existing file.
+    /// - 'create': Create a new file if it doesn't exist.
+    /// - 'overwrite': Replace the entire contents of an existing file.
+    ///
+    /// When a file already exists or you just created it, prefer editing it as opposed to recreating it from scratch.
+    pub mode: EditFileMode,
+}
+
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+struct EditFileToolPartialInput {
+    #[serde(default)]
+    path: String,
+    #[serde(default)]
+    display_description: String,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
+#[serde(rename_all = "lowercase")]
+pub enum EditFileMode {
+    Edit,
+    Create,
+    Overwrite,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct EditFileToolOutput {
+    #[serde(alias = "original_path")]
+    input_path: PathBuf,
+    new_text: String,
+    old_text: Arc<String>,
+    #[serde(default)]
+    diff: String,
+    #[serde(alias = "raw_output")]
+    edit_agent_output: EditAgentOutput,
+}
+
+impl From<EditFileToolOutput> for LanguageModelToolResultContent {
+    fn from(output: EditFileToolOutput) -> Self {
+        if output.diff.is_empty() {
+            "No edits were made.".into()
+        } else {
+            format!(
+                "Edited {}:\n\n```diff\n{}\n```",
+                output.input_path.display(),
+                output.diff
+            )
+            .into()
+        }
+    }
+}
+
+pub struct EditFileTool {
+    thread: WeakEntity<Thread>,
+    language_registry: Arc<LanguageRegistry>,
+}
+
+impl EditFileTool {
+    pub fn new(thread: WeakEntity<Thread>, language_registry: Arc<LanguageRegistry>) -> Self {
+        Self {
+            thread,
+            language_registry,
+        }
+    }
+
+    fn authorize(
+        &self,
+        input: &EditFileToolInput,
+        event_stream: &ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<()>> {
+        if agent_settings::AgentSettings::get_global(cx).always_allow_tool_actions {
+            return Task::ready(Ok(()));
+        }
+
+        // If any path component matches the local settings folder, then this could affect
+        // the editor in ways beyond the project source, so prompt.
+        let local_settings_folder = paths::local_settings_folder_relative_path();
+        let path = Path::new(&input.path);
+        if path
+            .components()
+            .any(|component| component.as_os_str() == local_settings_folder.as_os_str())
+        {
+            return event_stream.authorize(
+                format!("{} (local settings)", input.display_description),
+                cx,
+            );
+        }
+
+        // It's also possible that the global config dir is configured to be inside the project,
+        // so check for that edge case too.
+        if let Ok(canonical_path) = std::fs::canonicalize(&input.path)
+            && canonical_path.starts_with(paths::config_dir())
+        {
+            return event_stream.authorize(
+                format!("{} (global settings)", input.display_description),
+                cx,
+            );
+        }
+
+        // Check if path is inside the global config directory
+        // First check if it's already inside project - if not, try to canonicalize
+        let Ok(project_path) = self.thread.read_with(cx, |thread, cx| {
+            thread.project().read(cx).find_project_path(&input.path, cx)
+        }) else {
+            return Task::ready(Err(anyhow!("thread was dropped")));
+        };
+
+        // If the path is inside the project, and it's not one of the above edge cases,
+        // then no confirmation is necessary. Otherwise, confirmation is necessary.
+        if project_path.is_some() {
+            Task::ready(Ok(()))
+        } else {
+            event_stream.authorize(&input.display_description, cx)
+        }
+    }
+}
+
+impl AgentTool for EditFileTool {
+    type Input = EditFileToolInput;
+    type Output = EditFileToolOutput;
+
+    fn name() -> &'static str {
+        "edit_file"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Edit
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        match input {
+            Ok(input) => input.display_description.into(),
+            Err(raw_input) => {
+                if let Some(input) =
+                    serde_json::from_value::<EditFileToolPartialInput>(raw_input).ok()
+                {
+                    let description = input.display_description.trim();
+                    if !description.is_empty() {
+                        return description.to_string().into();
+                    }
+
+                    let path = input.path.trim().to_string();
+                    if !path.is_empty() {
+                        return path.into();
+                    }
+                }
+
+                DEFAULT_UI_TEXT.into()
+            }
+        }
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        let Ok(project) = self
+            .thread
+            .read_with(cx, |thread, _cx| thread.project().clone())
+        else {
+            return Task::ready(Err(anyhow!("thread was dropped")));
+        };
+        let project_path = match resolve_path(&input, project.clone(), cx) {
+            Ok(path) => path,
+            Err(err) => return Task::ready(Err(anyhow!(err))),
+        };
+        let abs_path = project.read(cx).absolute_path(&project_path, cx);
+        if let Some(abs_path) = abs_path.clone() {
+            event_stream.update_fields(ToolCallUpdateFields {
+                locations: Some(vec![acp::ToolCallLocation {
+                    path: abs_path,
+                    line: None,
+                }]),
+                ..Default::default()
+            });
+        }
+
+        let authorize = self.authorize(&input, &event_stream, cx);
+        cx.spawn(async move |cx: &mut AsyncApp| {
+            authorize.await?;
+
+            let (request, model, action_log) = self.thread.update(cx, |thread, cx| {
+                let request = thread.build_completion_request(CompletionIntent::ToolResults, cx);
+                (request, thread.model().cloned(), thread.action_log().clone())
+            })?;
+            let request = request?;
+            let model = model.context("No language model configured")?;
+
+            let edit_format = EditFormat::from_model(model.clone())?;
+            let edit_agent = EditAgent::new(
+                model,
+                project.clone(),
+                action_log.clone(),
+                // TODO: move edit agent to this crate so we can use our templates
+                assistant_tools::templates::Templates::new(),
+                edit_format,
+            );
+
+            let buffer = project
+                .update(cx, |project, cx| {
+                    project.open_buffer(project_path.clone(), cx)
+                })?
+                .await?;
+
+            let diff = cx.new(|cx| Diff::new(buffer.clone(), cx))?;
+            event_stream.update_diff(diff.clone());
+            let _finalize_diff = util::defer({
+               let diff = diff.downgrade();
+               let mut cx = cx.clone();
+               move || {
+                   diff.update(&mut cx, |diff, cx| diff.finalize(cx)).ok();
+               }
+            });
+
+            let old_snapshot = buffer.read_with(cx, |buffer, _cx| buffer.snapshot())?;
+            let old_text = cx
+                .background_spawn({
+                    let old_snapshot = old_snapshot.clone();
+                    async move { Arc::new(old_snapshot.text()) }
+                })
+                .await;
+
+
+            let (output, mut events) = if matches!(input.mode, EditFileMode::Edit) {
+                edit_agent.edit(
+                    buffer.clone(),
+                    input.display_description.clone(),
+                    &request,
+                    cx,
+                )
+            } else {
+                edit_agent.overwrite(
+                    buffer.clone(),
+                    input.display_description.clone(),
+                    &request,
+                    cx,
+                )
+            };
+
+            let mut hallucinated_old_text = false;
+            let mut ambiguous_ranges = Vec::new();
+            let mut emitted_location = false;
+            while let Some(event) = events.next().await {
+                match event {
+                    EditAgentOutputEvent::Edited(range) => {
+                        if !emitted_location {
+                            let line = buffer.update(cx, |buffer, _cx| {
+                                range.start.to_point(&buffer.snapshot()).row
+                            }).ok();
+                            if let Some(abs_path) = abs_path.clone() {
+                                event_stream.update_fields(ToolCallUpdateFields {
+                                    locations: Some(vec![ToolCallLocation { path: abs_path, line }]),
+                                    ..Default::default()
+                                });
+                            }
+                            emitted_location = true;
+                        }
+                    },
+                    EditAgentOutputEvent::UnresolvedEditRange => hallucinated_old_text = true,
+                    EditAgentOutputEvent::AmbiguousEditRange(ranges) => ambiguous_ranges = ranges,
+                    EditAgentOutputEvent::ResolvingEditRange(range) => {
+                        diff.update(cx, |card, cx| card.reveal_range(range.clone(), cx))?;
+                        // if !emitted_location {
+                        //     let line = buffer.update(cx, |buffer, _cx| {
+                        //         range.start.to_point(&buffer.snapshot()).row
+                        //     }).ok();
+                        //     if let Some(abs_path) = abs_path.clone() {
+                        //         event_stream.update_fields(ToolCallUpdateFields {
+                        //             locations: Some(vec![ToolCallLocation { path: abs_path, line }]),
+                        //             ..Default::default()
+                        //         });
+                        //     }
+                        // }
+                    }
+                }
+            }
+
+            // If format_on_save is enabled, format the buffer
+            let format_on_save_enabled = buffer
+                .read_with(cx, |buffer, cx| {
+                    let settings = language_settings::language_settings(
+                        buffer.language().map(|l| l.name()),
+                        buffer.file(),
+                        cx,
+                    );
+                    settings.format_on_save != FormatOnSave::Off
+                })
+                .unwrap_or(false);
+
+            let edit_agent_output = output.await?;
+
+            if format_on_save_enabled {
+                action_log.update(cx, |log, cx| {
+                    log.buffer_edited(buffer.clone(), cx);
+                })?;
+
+                let format_task = project.update(cx, |project, cx| {
+                    project.format(
+                        HashSet::from_iter([buffer.clone()]),
+                        LspFormatTarget::Buffers,
+                        false, // Don't push to history since the tool did it.
+                        FormatTrigger::Save,
+                        cx,
+                    )
+                })?;
+                format_task.await.log_err();
+            }
+
+            project
+                .update(cx, |project, cx| project.save_buffer(buffer.clone(), cx))?
+                .await?;
+
+            action_log.update(cx, |log, cx| {
+                log.buffer_edited(buffer.clone(), cx);
+            })?;
+
+            let new_snapshot = buffer.read_with(cx, |buffer, _cx| buffer.snapshot())?;
+            let (new_text, unified_diff) = cx
+                .background_spawn({
+                    let new_snapshot = new_snapshot.clone();
+                    let old_text = old_text.clone();
+                    async move {
+                        let new_text = new_snapshot.text();
+                        let diff = language::unified_diff(&old_text, &new_text);
+                        (new_text, diff)
+                    }
+                })
+                .await;
+
+            let input_path = input.path.display();
+            if unified_diff.is_empty() {
+                anyhow::ensure!(
+                    !hallucinated_old_text,
+                    formatdoc! {"
+                        Some edits were produced but none of them could be applied.
+                        Read the relevant sections of {input_path} again so that
+                        I can perform the requested edits.
+                    "}
+                );
+                anyhow::ensure!(
+                    ambiguous_ranges.is_empty(),
+                    {
+                        let line_numbers = ambiguous_ranges
+                            .iter()
+                            .map(|range| range.start.to_string())
+                            .collect::<Vec<_>>()
+                            .join(", ");
+                        formatdoc! {"
+                            <old_text> matches more than one position in the file (lines: {line_numbers}). Read the
+                            relevant sections of {input_path} again and extend <old_text> so
+                            that I can perform the requested edits.
+                        "}
+                    }
+                );
+            }
+
+            Ok(EditFileToolOutput {
+                input_path: input.path,
+                new_text,
+                old_text,
+                diff: unified_diff,
+                edit_agent_output,
+            })
+        })
+    }
+
+    fn replay(
+        &self,
+        _input: Self::Input,
+        output: Self::Output,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Result<()> {
+        event_stream.update_diff(cx.new(|cx| {
+            Diff::finalized(
+                output.input_path,
+                Some(output.old_text.to_string()),
+                output.new_text,
+                self.language_registry.clone(),
+                cx,
+            )
+        }));
+        Ok(())
+    }
+}
+
+/// Validate that the file path is valid, meaning:
+///
+/// - For `edit` and `overwrite`, the path must point to an existing file.
+/// - For `create`, the file must not already exist, but it's parent dir must exist.
+fn resolve_path(
+    input: &EditFileToolInput,
+    project: Entity<Project>,
+    cx: &mut App,
+) -> Result<ProjectPath> {
+    let project = project.read(cx);
+
+    match input.mode {
+        EditFileMode::Edit | EditFileMode::Overwrite => {
+            let path = project
+                .find_project_path(&input.path, cx)
+                .context("Can't edit file: path not found")?;
+
+            let entry = project
+                .entry_for_path(&path, cx)
+                .context("Can't edit file: path not found")?;
+
+            anyhow::ensure!(entry.is_file(), "Can't edit file: path is a directory");
+            Ok(path)
+        }
+
+        EditFileMode::Create => {
+            if let Some(path) = project.find_project_path(&input.path, cx) {
+                anyhow::ensure!(
+                    project.entry_for_path(&path, cx).is_none(),
+                    "Can't create file: file already exists"
+                );
+            }
+
+            let parent_path = input
+                .path
+                .parent()
+                .context("Can't create file: incorrect path")?;
+
+            let parent_project_path = project.find_project_path(&parent_path, cx);
+
+            let parent_entry = parent_project_path
+                .as_ref()
+                .and_then(|path| project.entry_for_path(path, cx))
+                .context("Can't create file: parent directory doesn't exist")?;
+
+            anyhow::ensure!(
+                parent_entry.is_dir(),
+                "Can't create file: parent is not a directory"
+            );
+
+            let file_name = input
+                .path
+                .file_name()
+                .context("Can't create file: invalid filename")?;
+
+            let new_file_path = parent_project_path.map(|parent| ProjectPath {
+                path: Arc::from(parent.path.join(file_name)),
+                ..parent
+            });
+
+            new_file_path.context("Can't create file")
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::{ContextServerRegistry, Templates};
+    use client::TelemetrySettings;
+    use fs::Fs;
+    use gpui::{TestAppContext, UpdateGlobal};
+    use language_model::fake_provider::FakeLanguageModel;
+    use prompt_store::ProjectContext;
+    use serde_json::json;
+    use settings::SettingsStore;
+    use util::path;
+
+    #[gpui::test]
+    async fn test_edit_nonexistent_file(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree("/root", json!({})).await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+        let language_registry = project.read_with(cx, |project, _cx| project.languages().clone());
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project,
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model),
+                cx,
+            )
+        });
+        let result = cx
+            .update(|cx| {
+                let input = EditFileToolInput {
+                    display_description: "Some edit".into(),
+                    path: "root/nonexistent_file.txt".into(),
+                    mode: EditFileMode::Edit,
+                };
+                Arc::new(EditFileTool::new(thread.downgrade(), language_registry)).run(
+                    input,
+                    ToolCallEventStream::test().0,
+                    cx,
+                )
+            })
+            .await;
+        assert_eq!(
+            result.unwrap_err().to_string(),
+            "Can't edit file: path not found"
+        );
+    }
+
+    #[gpui::test]
+    async fn test_resolve_path_for_creating_file(cx: &mut TestAppContext) {
+        let mode = &EditFileMode::Create;
+
+        let result = test_resolve_path(mode, "root/new.txt", cx);
+        assert_resolved_path_eq(result.await, "new.txt");
+
+        let result = test_resolve_path(mode, "new.txt", cx);
+        assert_resolved_path_eq(result.await, "new.txt");
+
+        let result = test_resolve_path(mode, "dir/new.txt", cx);
+        assert_resolved_path_eq(result.await, "dir/new.txt");
+
+        let result = test_resolve_path(mode, "root/dir/subdir/existing.txt", cx);
+        assert_eq!(
+            result.await.unwrap_err().to_string(),
+            "Can't create file: file already exists"
+        );
+
+        let result = test_resolve_path(mode, "root/dir/nonexistent_dir/new.txt", cx);
+        assert_eq!(
+            result.await.unwrap_err().to_string(),
+            "Can't create file: parent directory doesn't exist"
+        );
+    }
+
+    #[gpui::test]
+    async fn test_resolve_path_for_editing_file(cx: &mut TestAppContext) {
+        let mode = &EditFileMode::Edit;
+
+        let path_with_root = "root/dir/subdir/existing.txt";
+        let path_without_root = "dir/subdir/existing.txt";
+        let result = test_resolve_path(mode, path_with_root, cx);
+        assert_resolved_path_eq(result.await, path_without_root);
+
+        let result = test_resolve_path(mode, path_without_root, cx);
+        assert_resolved_path_eq(result.await, path_without_root);
+
+        let result = test_resolve_path(mode, "root/nonexistent.txt", cx);
+        assert_eq!(
+            result.await.unwrap_err().to_string(),
+            "Can't edit file: path not found"
+        );
+
+        let result = test_resolve_path(mode, "root/dir", cx);
+        assert_eq!(
+            result.await.unwrap_err().to_string(),
+            "Can't edit file: path is a directory"
+        );
+    }
+
+    async fn test_resolve_path(
+        mode: &EditFileMode,
+        path: &str,
+        cx: &mut TestAppContext,
+    ) -> anyhow::Result<ProjectPath> {
+        init_test(cx);
+
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/root",
+            json!({
+                "dir": {
+                    "subdir": {
+                        "existing.txt": "hello"
+                    }
+                }
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+
+        let input = EditFileToolInput {
+            display_description: "Some edit".into(),
+            path: path.into(),
+            mode: mode.clone(),
+        };
+
+        cx.update(|cx| resolve_path(&input, project, cx))
+    }
+
+    fn assert_resolved_path_eq(path: anyhow::Result<ProjectPath>, expected: &str) {
+        let actual = path
+            .expect("Should return valid path")
+            .path
+            .to_str()
+            .unwrap()
+            .replace("\\", "/"); // Naive Windows paths normalization
+        assert_eq!(actual, expected);
+    }
+
+    #[gpui::test]
+    async fn test_format_on_save(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree("/root", json!({"src": {}})).await;
+
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+
+        // Set up a Rust language with LSP formatting support
+        let rust_language = Arc::new(language::Language::new(
+            language::LanguageConfig {
+                name: "Rust".into(),
+                matcher: language::LanguageMatcher {
+                    path_suffixes: vec!["rs".to_string()],
+                    ..Default::default()
+                },
+                ..Default::default()
+            },
+            None,
+        ));
+
+        // Register the language and fake LSP
+        let language_registry = project.read_with(cx, |project, _| project.languages().clone());
+        language_registry.add(rust_language);
+
+        let mut fake_language_servers = language_registry.register_fake_lsp(
+            "Rust",
+            language::FakeLspAdapter {
+                capabilities: lsp::ServerCapabilities {
+                    document_formatting_provider: Some(lsp::OneOf::Left(true)),
+                    ..Default::default()
+                },
+                ..Default::default()
+            },
+        );
+
+        // Create the file
+        fs.save(
+            path!("/root/src/main.rs").as_ref(),
+            &"initial content".into(),
+            language::LineEnding::Unix,
+        )
+        .await
+        .unwrap();
+
+        // Open the buffer to trigger LSP initialization
+        let buffer = project
+            .update(cx, |project, cx| {
+                project.open_local_buffer(path!("/root/src/main.rs"), cx)
+            })
+            .await
+            .unwrap();
+
+        // Register the buffer with language servers
+        let _handle = project.update(cx, |project, cx| {
+            project.register_buffer_with_language_servers(&buffer, cx)
+        });
+
+        const UNFORMATTED_CONTENT: &str = "fn main() {println!(\"Hello!\");}\n";
+        const FORMATTED_CONTENT: &str =
+            "This file was formatted by the fake formatter in the test.\n";
+
+        // Get the fake language server and set up formatting handler
+        let fake_language_server = fake_language_servers.next().await.unwrap();
+        fake_language_server.set_request_handler::<lsp::request::Formatting, _, _>({
+            |_, _| async move {
+                Ok(Some(vec![lsp::TextEdit {
+                    range: lsp::Range::new(lsp::Position::new(0, 0), lsp::Position::new(1, 0)),
+                    new_text: FORMATTED_CONTENT.to_string(),
+                }]))
+            }
+        });
+
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project,
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+
+        // First, test with format_on_save enabled
+        cx.update(|cx| {
+            SettingsStore::update_global(cx, |store, cx| {
+                store.update_user_settings::<language::language_settings::AllLanguageSettings>(
+                    cx,
+                    |settings| {
+                        settings.defaults.format_on_save = Some(FormatOnSave::On);
+                        settings.defaults.formatter =
+                            Some(language::language_settings::SelectedFormatter::Auto);
+                    },
+                );
+            });
+        });
+
+        // Have the model stream unformatted content
+        let edit_result = {
+            let edit_task = cx.update(|cx| {
+                let input = EditFileToolInput {
+                    display_description: "Create main function".into(),
+                    path: "root/src/main.rs".into(),
+                    mode: EditFileMode::Overwrite,
+                };
+                Arc::new(EditFileTool::new(
+                    thread.downgrade(),
+                    language_registry.clone(),
+                ))
+                .run(input, ToolCallEventStream::test().0, cx)
+            });
+
+            // Stream the unformatted content
+            cx.executor().run_until_parked();
+            model.send_last_completion_stream_text_chunk(UNFORMATTED_CONTENT.to_string());
+            model.end_last_completion_stream();
+
+            edit_task.await
+        };
+        assert!(edit_result.is_ok());
+
+        // Wait for any async operations (e.g. formatting) to complete
+        cx.executor().run_until_parked();
+
+        // Read the file to verify it was formatted automatically
+        let new_content = fs.load(path!("/root/src/main.rs").as_ref()).await.unwrap();
+        assert_eq!(
+            // Ignore carriage returns on Windows
+            new_content.replace("\r\n", "\n"),
+            FORMATTED_CONTENT,
+            "Code should be formatted when format_on_save is enabled"
+        );
+
+        let stale_buffer_count = thread
+            .read_with(cx, |thread, _cx| thread.action_log.clone())
+            .read_with(cx, |log, cx| log.stale_buffers(cx).count());
+
+        assert_eq!(
+            stale_buffer_count, 0,
+            "BUG: Buffer is incorrectly marked as stale after format-on-save. Found {} stale buffers. \
+             This causes the agent to think the file was modified externally when it was just formatted.",
+            stale_buffer_count
+        );
+
+        // Next, test with format_on_save disabled
+        cx.update(|cx| {
+            SettingsStore::update_global(cx, |store, cx| {
+                store.update_user_settings::<language::language_settings::AllLanguageSettings>(
+                    cx,
+                    |settings| {
+                        settings.defaults.format_on_save = Some(FormatOnSave::Off);
+                    },
+                );
+            });
+        });
+
+        // Stream unformatted edits again
+        let edit_result = {
+            let edit_task = cx.update(|cx| {
+                let input = EditFileToolInput {
+                    display_description: "Update main function".into(),
+                    path: "root/src/main.rs".into(),
+                    mode: EditFileMode::Overwrite,
+                };
+                Arc::new(EditFileTool::new(thread.downgrade(), language_registry)).run(
+                    input,
+                    ToolCallEventStream::test().0,
+                    cx,
+                )
+            });
+
+            // Stream the unformatted content
+            cx.executor().run_until_parked();
+            model.send_last_completion_stream_text_chunk(UNFORMATTED_CONTENT.to_string());
+            model.end_last_completion_stream();
+
+            edit_task.await
+        };
+        assert!(edit_result.is_ok());
+
+        // Wait for any async operations (e.g. formatting) to complete
+        cx.executor().run_until_parked();
+
+        // Verify the file was not formatted
+        let new_content = fs.load(path!("/root/src/main.rs").as_ref()).await.unwrap();
+        assert_eq!(
+            // Ignore carriage returns on Windows
+            new_content.replace("\r\n", "\n"),
+            UNFORMATTED_CONTENT,
+            "Code should not be formatted when format_on_save is disabled"
+        );
+    }
+
+    #[gpui::test]
+    async fn test_remove_trailing_whitespace(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree("/root", json!({"src": {}})).await;
+
+        // Create a simple file with trailing whitespace
+        fs.save(
+            path!("/root/src/main.rs").as_ref(),
+            &"initial content".into(),
+            language::LineEnding::Unix,
+        )
+        .await
+        .unwrap();
+
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let language_registry = project.read_with(cx, |project, _cx| project.languages().clone());
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project,
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+
+        // First, test with remove_trailing_whitespace_on_save enabled
+        cx.update(|cx| {
+            SettingsStore::update_global(cx, |store, cx| {
+                store.update_user_settings::<language::language_settings::AllLanguageSettings>(
+                    cx,
+                    |settings| {
+                        settings.defaults.remove_trailing_whitespace_on_save = Some(true);
+                    },
+                );
+            });
+        });
+
+        const CONTENT_WITH_TRAILING_WHITESPACE: &str =
+            "fn main() {  \n    println!(\"Hello!\");  \n}\n";
+
+        // Have the model stream content that contains trailing whitespace
+        let edit_result = {
+            let edit_task = cx.update(|cx| {
+                let input = EditFileToolInput {
+                    display_description: "Create main function".into(),
+                    path: "root/src/main.rs".into(),
+                    mode: EditFileMode::Overwrite,
+                };
+                Arc::new(EditFileTool::new(
+                    thread.downgrade(),
+                    language_registry.clone(),
+                ))
+                .run(input, ToolCallEventStream::test().0, cx)
+            });
+
+            // Stream the content with trailing whitespace
+            cx.executor().run_until_parked();
+            model.send_last_completion_stream_text_chunk(
+                CONTENT_WITH_TRAILING_WHITESPACE.to_string(),
+            );
+            model.end_last_completion_stream();
+
+            edit_task.await
+        };
+        assert!(edit_result.is_ok());
+
+        // Wait for any async operations (e.g. formatting) to complete
+        cx.executor().run_until_parked();
+
+        // Read the file to verify trailing whitespace was removed automatically
+        assert_eq!(
+            // Ignore carriage returns on Windows
+            fs.load(path!("/root/src/main.rs").as_ref())
+                .await
+                .unwrap()
+                .replace("\r\n", "\n"),
+            "fn main() {\n    println!(\"Hello!\");\n}\n",
+            "Trailing whitespace should be removed when remove_trailing_whitespace_on_save is enabled"
+        );
+
+        // Next, test with remove_trailing_whitespace_on_save disabled
+        cx.update(|cx| {
+            SettingsStore::update_global(cx, |store, cx| {
+                store.update_user_settings::<language::language_settings::AllLanguageSettings>(
+                    cx,
+                    |settings| {
+                        settings.defaults.remove_trailing_whitespace_on_save = Some(false);
+                    },
+                );
+            });
+        });
+
+        // Stream edits again with trailing whitespace
+        let edit_result = {
+            let edit_task = cx.update(|cx| {
+                let input = EditFileToolInput {
+                    display_description: "Update main function".into(),
+                    path: "root/src/main.rs".into(),
+                    mode: EditFileMode::Overwrite,
+                };
+                Arc::new(EditFileTool::new(thread.downgrade(), language_registry)).run(
+                    input,
+                    ToolCallEventStream::test().0,
+                    cx,
+                )
+            });
+
+            // Stream the content with trailing whitespace
+            cx.executor().run_until_parked();
+            model.send_last_completion_stream_text_chunk(
+                CONTENT_WITH_TRAILING_WHITESPACE.to_string(),
+            );
+            model.end_last_completion_stream();
+
+            edit_task.await
+        };
+        assert!(edit_result.is_ok());
+
+        // Wait for any async operations (e.g. formatting) to complete
+        cx.executor().run_until_parked();
+
+        // Verify the file still has trailing whitespace
+        // Read the file again - it should still have trailing whitespace
+        let final_content = fs.load(path!("/root/src/main.rs").as_ref()).await.unwrap();
+        assert_eq!(
+            // Ignore carriage returns on Windows
+            final_content.replace("\r\n", "\n"),
+            CONTENT_WITH_TRAILING_WHITESPACE,
+            "Trailing whitespace should remain when remove_trailing_whitespace_on_save is disabled"
+        );
+    }
+
+    #[gpui::test]
+    async fn test_authorize(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = project::FakeFs::new(cx.executor());
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let language_registry = project.read_with(cx, |project, _cx| project.languages().clone());
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project,
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+        let tool = Arc::new(EditFileTool::new(thread.downgrade(), language_registry));
+        fs.insert_tree("/root", json!({})).await;
+
+        // Test 1: Path with .zed component should require confirmation
+        let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+        let _auth = cx.update(|cx| {
+            tool.authorize(
+                &EditFileToolInput {
+                    display_description: "test 1".into(),
+                    path: ".zed/settings.json".into(),
+                    mode: EditFileMode::Edit,
+                },
+                &stream_tx,
+                cx,
+            )
+        });
+
+        let event = stream_rx.expect_authorization().await;
+        assert_eq!(
+            event.tool_call.fields.title,
+            Some("test 1 (local settings)".into())
+        );
+
+        // Test 2: Path outside project should require confirmation
+        let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+        let _auth = cx.update(|cx| {
+            tool.authorize(
+                &EditFileToolInput {
+                    display_description: "test 2".into(),
+                    path: "/etc/hosts".into(),
+                    mode: EditFileMode::Edit,
+                },
+                &stream_tx,
+                cx,
+            )
+        });
+
+        let event = stream_rx.expect_authorization().await;
+        assert_eq!(event.tool_call.fields.title, Some("test 2".into()));
+
+        // Test 3: Relative path without .zed should not require confirmation
+        let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+        cx.update(|cx| {
+            tool.authorize(
+                &EditFileToolInput {
+                    display_description: "test 3".into(),
+                    path: "root/src/main.rs".into(),
+                    mode: EditFileMode::Edit,
+                },
+                &stream_tx,
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+        assert!(stream_rx.try_next().is_err());
+
+        // Test 4: Path with .zed in the middle should require confirmation
+        let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+        let _auth = cx.update(|cx| {
+            tool.authorize(
+                &EditFileToolInput {
+                    display_description: "test 4".into(),
+                    path: "root/.zed/tasks.json".into(),
+                    mode: EditFileMode::Edit,
+                },
+                &stream_tx,
+                cx,
+            )
+        });
+        let event = stream_rx.expect_authorization().await;
+        assert_eq!(
+            event.tool_call.fields.title,
+            Some("test 4 (local settings)".into())
+        );
+
+        // Test 5: When always_allow_tool_actions is enabled, no confirmation needed
+        cx.update(|cx| {
+            let mut settings = agent_settings::AgentSettings::get_global(cx).clone();
+            settings.always_allow_tool_actions = true;
+            agent_settings::AgentSettings::override_global(settings, cx);
+        });
+
+        let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+        cx.update(|cx| {
+            tool.authorize(
+                &EditFileToolInput {
+                    display_description: "test 5.1".into(),
+                    path: ".zed/settings.json".into(),
+                    mode: EditFileMode::Edit,
+                },
+                &stream_tx,
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+        assert!(stream_rx.try_next().is_err());
+
+        let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+        cx.update(|cx| {
+            tool.authorize(
+                &EditFileToolInput {
+                    display_description: "test 5.2".into(),
+                    path: "/etc/hosts".into(),
+                    mode: EditFileMode::Edit,
+                },
+                &stream_tx,
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+        assert!(stream_rx.try_next().is_err());
+    }
+
+    #[gpui::test]
+    async fn test_authorize_global_config(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree("/project", json!({})).await;
+        let project = Project::test(fs.clone(), [path!("/project").as_ref()], cx).await;
+        let language_registry = project.read_with(cx, |project, _cx| project.languages().clone());
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project,
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+        let tool = Arc::new(EditFileTool::new(thread.downgrade(), language_registry));
+
+        // Test global config paths - these should require confirmation if they exist and are outside the project
+        let test_cases = vec![
+            (
+                "/etc/hosts",
+                true,
+                "System file should require confirmation",
+            ),
+            (
+                "/usr/local/bin/script",
+                true,
+                "System bin file should require confirmation",
+            ),
+            (
+                "project/normal_file.rs",
+                false,
+                "Normal project file should not require confirmation",
+            ),
+        ];
+
+        for (path, should_confirm, description) in test_cases {
+            let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+            let auth = cx.update(|cx| {
+                tool.authorize(
+                    &EditFileToolInput {
+                        display_description: "Edit file".into(),
+                        path: path.into(),
+                        mode: EditFileMode::Edit,
+                    },
+                    &stream_tx,
+                    cx,
+                )
+            });
+
+            if should_confirm {
+                stream_rx.expect_authorization().await;
+            } else {
+                auth.await.unwrap();
+                assert!(
+                    stream_rx.try_next().is_err(),
+                    "Failed for case: {} - path: {} - expected no confirmation but got one",
+                    description,
+                    path
+                );
+            }
+        }
+    }
+
+    #[gpui::test]
+    async fn test_needs_confirmation_with_multiple_worktrees(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = project::FakeFs::new(cx.executor());
+
+        // Create multiple worktree directories
+        fs.insert_tree(
+            "/workspace/frontend",
+            json!({
+                "src": {
+                    "main.js": "console.log('frontend');"
+                }
+            }),
+        )
+        .await;
+        fs.insert_tree(
+            "/workspace/backend",
+            json!({
+                "src": {
+                    "main.rs": "fn main() {}"
+                }
+            }),
+        )
+        .await;
+        fs.insert_tree(
+            "/workspace/shared",
+            json!({
+                ".zed": {
+                    "settings.json": "{}"
+                }
+            }),
+        )
+        .await;
+
+        // Create project with multiple worktrees
+        let project = Project::test(
+            fs.clone(),
+            [
+                path!("/workspace/frontend").as_ref(),
+                path!("/workspace/backend").as_ref(),
+                path!("/workspace/shared").as_ref(),
+            ],
+            cx,
+        )
+        .await;
+        let language_registry = project.read_with(cx, |project, _cx| project.languages().clone());
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry.clone(),
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+        let tool = Arc::new(EditFileTool::new(thread.downgrade(), language_registry));
+
+        // Test files in different worktrees
+        let test_cases = vec![
+            ("frontend/src/main.js", false, "File in first worktree"),
+            ("backend/src/main.rs", false, "File in second worktree"),
+            (
+                "shared/.zed/settings.json",
+                true,
+                ".zed file in third worktree",
+            ),
+            ("/etc/hosts", true, "Absolute path outside all worktrees"),
+            (
+                "../outside/file.txt",
+                true,
+                "Relative path outside worktrees",
+            ),
+        ];
+
+        for (path, should_confirm, description) in test_cases {
+            let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+            let auth = cx.update(|cx| {
+                tool.authorize(
+                    &EditFileToolInput {
+                        display_description: "Edit file".into(),
+                        path: path.into(),
+                        mode: EditFileMode::Edit,
+                    },
+                    &stream_tx,
+                    cx,
+                )
+            });
+
+            if should_confirm {
+                stream_rx.expect_authorization().await;
+            } else {
+                auth.await.unwrap();
+                assert!(
+                    stream_rx.try_next().is_err(),
+                    "Failed for case: {} - path: {} - expected no confirmation but got one",
+                    description,
+                    path
+                );
+            }
+        }
+    }
+
+    #[gpui::test]
+    async fn test_needs_confirmation_edge_cases(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/project",
+            json!({
+                ".zed": {
+                    "settings.json": "{}"
+                },
+                "src": {
+                    ".zed": {
+                        "local.json": "{}"
+                    }
+                }
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/project").as_ref()], cx).await;
+        let language_registry = project.read_with(cx, |project, _cx| project.languages().clone());
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry.clone(),
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+        let tool = Arc::new(EditFileTool::new(thread.downgrade(), language_registry));
+
+        // Test edge cases
+        let test_cases = vec![
+            // Empty path - find_project_path returns Some for empty paths
+            ("", false, "Empty path is treated as project root"),
+            // Root directory
+            ("/", true, "Root directory should be outside project"),
+            // Parent directory references - find_project_path resolves these
+            (
+                "project/../other",
+                false,
+                "Path with .. is resolved by find_project_path",
+            ),
+            (
+                "project/./src/file.rs",
+                false,
+                "Path with . should work normally",
+            ),
+            // Windows-style paths (if on Windows)
+            #[cfg(target_os = "windows")]
+            ("C:\\Windows\\System32\\hosts", true, "Windows system path"),
+            #[cfg(target_os = "windows")]
+            ("project\\src\\main.rs", false, "Windows-style project path"),
+        ];
+
+        for (path, should_confirm, description) in test_cases {
+            let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+            let auth = cx.update(|cx| {
+                tool.authorize(
+                    &EditFileToolInput {
+                        display_description: "Edit file".into(),
+                        path: path.into(),
+                        mode: EditFileMode::Edit,
+                    },
+                    &stream_tx,
+                    cx,
+                )
+            });
+
+            if should_confirm {
+                stream_rx.expect_authorization().await;
+            } else {
+                auth.await.unwrap();
+                assert!(
+                    stream_rx.try_next().is_err(),
+                    "Failed for case: {} - path: {} - expected no confirmation but got one",
+                    description,
+                    path
+                );
+            }
+        }
+    }
+
+    #[gpui::test]
+    async fn test_needs_confirmation_with_different_modes(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/project",
+            json!({
+                "existing.txt": "content",
+                ".zed": {
+                    "settings.json": "{}"
+                }
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/project").as_ref()], cx).await;
+        let language_registry = project.read_with(cx, |project, _cx| project.languages().clone());
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry.clone(),
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+        let tool = Arc::new(EditFileTool::new(thread.downgrade(), language_registry));
+
+        // Test different EditFileMode values
+        let modes = vec![
+            EditFileMode::Edit,
+            EditFileMode::Create,
+            EditFileMode::Overwrite,
+        ];
+
+        for mode in modes {
+            // Test .zed path with different modes
+            let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+            let _auth = cx.update(|cx| {
+                tool.authorize(
+                    &EditFileToolInput {
+                        display_description: "Edit settings".into(),
+                        path: "project/.zed/settings.json".into(),
+                        mode: mode.clone(),
+                    },
+                    &stream_tx,
+                    cx,
+                )
+            });
+
+            stream_rx.expect_authorization().await;
+
+            // Test outside path with different modes
+            let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+            let _auth = cx.update(|cx| {
+                tool.authorize(
+                    &EditFileToolInput {
+                        display_description: "Edit file".into(),
+                        path: "/outside/file.txt".into(),
+                        mode: mode.clone(),
+                    },
+                    &stream_tx,
+                    cx,
+                )
+            });
+
+            stream_rx.expect_authorization().await;
+
+            // Test normal path with different modes
+            let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+            cx.update(|cx| {
+                tool.authorize(
+                    &EditFileToolInput {
+                        display_description: "Edit file".into(),
+                        path: "project/normal.txt".into(),
+                        mode: mode.clone(),
+                    },
+                    &stream_tx,
+                    cx,
+                )
+            })
+            .await
+            .unwrap();
+            assert!(stream_rx.try_next().is_err());
+        }
+    }
+
+    #[gpui::test]
+    async fn test_initial_title_with_partial_input(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = project::FakeFs::new(cx.executor());
+        let project = Project::test(fs.clone(), [path!("/project").as_ref()], cx).await;
+        let language_registry = project.read_with(cx, |project, _cx| project.languages().clone());
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry,
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+        let tool = Arc::new(EditFileTool::new(thread.downgrade(), language_registry));
+
+        assert_eq!(
+            tool.initial_title(Err(json!({
+                "path": "src/main.rs",
+                "display_description": "",
+                "old_string": "old code",
+                "new_string": "new code"
+            }))),
+            "src/main.rs"
+        );
+        assert_eq!(
+            tool.initial_title(Err(json!({
+                "path": "",
+                "display_description": "Fix error handling",
+                "old_string": "old code",
+                "new_string": "new code"
+            }))),
+            "Fix error handling"
+        );
+        assert_eq!(
+            tool.initial_title(Err(json!({
+                "path": "src/main.rs",
+                "display_description": "Fix error handling",
+                "old_string": "old code",
+                "new_string": "new code"
+            }))),
+            "Fix error handling"
+        );
+        assert_eq!(
+            tool.initial_title(Err(json!({
+                "path": "",
+                "display_description": "",
+                "old_string": "old code",
+                "new_string": "new code"
+            }))),
+            DEFAULT_UI_TEXT
+        );
+        assert_eq!(
+            tool.initial_title(Err(serde_json::Value::Null)),
+            DEFAULT_UI_TEXT
+        );
+    }
+
+    #[gpui::test]
+    async fn test_diff_finalization(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = project::FakeFs::new(cx.executor());
+        fs.insert_tree("/", json!({"main.rs": ""})).await;
+
+        let project = Project::test(fs.clone(), [path!("/").as_ref()], cx).await;
+        let languages = project.read_with(cx, |project, _cx| project.languages().clone());
+        let context_server_registry =
+            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
+        let model = Arc::new(FakeLanguageModel::default());
+        let thread = cx.new(|cx| {
+            Thread::new(
+                project.clone(),
+                cx.new(|_cx| ProjectContext::default()),
+                context_server_registry.clone(),
+                Templates::new(),
+                Some(model.clone()),
+                cx,
+            )
+        });
+
+        // Ensure the diff is finalized after the edit completes.
+        {
+            let tool = Arc::new(EditFileTool::new(thread.downgrade(), languages.clone()));
+            let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+            let edit = cx.update(|cx| {
+                tool.run(
+                    EditFileToolInput {
+                        display_description: "Edit file".into(),
+                        path: path!("/main.rs").into(),
+                        mode: EditFileMode::Edit,
+                    },
+                    stream_tx,
+                    cx,
+                )
+            });
+            stream_rx.expect_update_fields().await;
+            let diff = stream_rx.expect_diff().await;
+            diff.read_with(cx, |diff, _| assert!(matches!(diff, Diff::Pending(_))));
+            cx.run_until_parked();
+            model.end_last_completion_stream();
+            edit.await.unwrap();
+            diff.read_with(cx, |diff, _| assert!(matches!(diff, Diff::Finalized(_))));
+        }
+
+        // Ensure the diff is finalized if an error occurs while editing.
+        {
+            model.forbid_requests();
+            let tool = Arc::new(EditFileTool::new(thread.downgrade(), languages.clone()));
+            let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+            let edit = cx.update(|cx| {
+                tool.run(
+                    EditFileToolInput {
+                        display_description: "Edit file".into(),
+                        path: path!("/main.rs").into(),
+                        mode: EditFileMode::Edit,
+                    },
+                    stream_tx,
+                    cx,
+                )
+            });
+            stream_rx.expect_update_fields().await;
+            let diff = stream_rx.expect_diff().await;
+            diff.read_with(cx, |diff, _| assert!(matches!(diff, Diff::Pending(_))));
+            edit.await.unwrap_err();
+            diff.read_with(cx, |diff, _| assert!(matches!(diff, Diff::Finalized(_))));
+            model.allow_requests();
+        }
+
+        // Ensure the diff is finalized if the tool call gets dropped.
+        {
+            let tool = Arc::new(EditFileTool::new(thread.downgrade(), languages.clone()));
+            let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+            let edit = cx.update(|cx| {
+                tool.run(
+                    EditFileToolInput {
+                        display_description: "Edit file".into(),
+                        path: path!("/main.rs").into(),
+                        mode: EditFileMode::Edit,
+                    },
+                    stream_tx,
+                    cx,
+                )
+            });
+            stream_rx.expect_update_fields().await;
+            let diff = stream_rx.expect_diff().await;
+            diff.read_with(cx, |diff, _| assert!(matches!(diff, Diff::Pending(_))));
+            drop(edit);
+            cx.run_until_parked();
+            diff.read_with(cx, |diff, _| assert!(matches!(diff, Diff::Finalized(_))));
+        }
+    }
+
+    fn init_test(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            TelemetrySettings::register(cx);
+            agent_settings::AgentSettings::register(cx);
+            Project::init_settings(cx);
+        });
+    }
+}
diff --git a/crates/agent2/src/tools/fetch_tool.rs b/crates/agent2/src/tools/fetch_tool.rs
new file mode 100644
index 0000000000..dd97271a79
--- /dev/null
+++ b/crates/agent2/src/tools/fetch_tool.rs
@@ -0,0 +1,160 @@
+use std::rc::Rc;
+use std::sync::Arc;
+use std::{borrow::Cow, cell::RefCell};
+
+use agent_client_protocol as acp;
+use anyhow::{Context as _, Result, bail};
+use futures::AsyncReadExt as _;
+use gpui::{App, AppContext as _, Task};
+use html_to_markdown::{TagHandler, convert_html_to_markdown, markdown};
+use http_client::{AsyncBody, HttpClientWithUrl};
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use ui::SharedString;
+use util::markdown::MarkdownEscaped;
+
+use crate::{AgentTool, ToolCallEventStream};
+
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
+enum ContentType {
+    Html,
+    Plaintext,
+    Json,
+}
+
+/// Fetches a URL and returns the content as Markdown.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct FetchToolInput {
+    /// The URL to fetch.
+    url: String,
+}
+
+pub struct FetchTool {
+    http_client: Arc<HttpClientWithUrl>,
+}
+
+impl FetchTool {
+    pub fn new(http_client: Arc<HttpClientWithUrl>) -> Self {
+        Self { http_client }
+    }
+
+    async fn build_message(http_client: Arc<HttpClientWithUrl>, url: &str) -> Result<String> {
+        let url = if !url.starts_with("https://") && !url.starts_with("http://") {
+            Cow::Owned(format!("https://{url}"))
+        } else {
+            Cow::Borrowed(url)
+        };
+
+        let mut response = http_client.get(&url, AsyncBody::default(), true).await?;
+
+        let mut body = Vec::new();
+        response
+            .body_mut()
+            .read_to_end(&mut body)
+            .await
+            .context("error reading response body")?;
+
+        if response.status().is_client_error() {
+            let text = String::from_utf8_lossy(body.as_slice());
+            bail!(
+                "status error {}, response: {text:?}",
+                response.status().as_u16()
+            );
+        }
+
+        let Some(content_type) = response.headers().get("content-type") else {
+            bail!("missing Content-Type header");
+        };
+        let content_type = content_type
+            .to_str()
+            .context("invalid Content-Type header")?;
+
+        let content_type = if content_type.starts_with("text/plain") {
+            ContentType::Plaintext
+        } else if content_type.starts_with("application/json") {
+            ContentType::Json
+        } else {
+            ContentType::Html
+        };
+
+        match content_type {
+            ContentType::Html => {
+                let mut handlers: Vec<TagHandler> = vec![
+                    Rc::new(RefCell::new(markdown::WebpageChromeRemover)),
+                    Rc::new(RefCell::new(markdown::ParagraphHandler)),
+                    Rc::new(RefCell::new(markdown::HeadingHandler)),
+                    Rc::new(RefCell::new(markdown::ListHandler)),
+                    Rc::new(RefCell::new(markdown::TableHandler::new())),
+                    Rc::new(RefCell::new(markdown::StyledTextHandler)),
+                ];
+                if url.contains("wikipedia.org") {
+                    use html_to_markdown::structure::wikipedia;
+
+                    handlers.push(Rc::new(RefCell::new(wikipedia::WikipediaChromeRemover)));
+                    handlers.push(Rc::new(RefCell::new(wikipedia::WikipediaInfoboxHandler)));
+                    handlers.push(Rc::new(
+                        RefCell::new(wikipedia::WikipediaCodeHandler::new()),
+                    ));
+                } else {
+                    handlers.push(Rc::new(RefCell::new(markdown::CodeHandler)));
+                }
+
+                convert_html_to_markdown(&body[..], &mut handlers)
+            }
+            ContentType::Plaintext => Ok(std::str::from_utf8(&body)?.to_owned()),
+            ContentType::Json => {
+                let json: serde_json::Value = serde_json::from_slice(&body)?;
+
+                Ok(format!(
+                    "```json\n{}\n```",
+                    serde_json::to_string_pretty(&json)?
+                ))
+            }
+        }
+    }
+}
+
+impl AgentTool for FetchTool {
+    type Input = FetchToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "fetch"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Fetch
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        match input {
+            Ok(input) => format!("Fetch {}", MarkdownEscaped(&input.url)).into(),
+            Err(_) => "Fetch URL".into(),
+        }
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        let authorize = event_stream.authorize(input.url.clone(), cx);
+
+        let text = cx.background_spawn({
+            let http_client = self.http_client.clone();
+            async move {
+                authorize.await?;
+                Self::build_message(http_client, &input.url).await
+            }
+        });
+
+        cx.foreground_executor().spawn(async move {
+            let text = text.await?;
+            if text.trim().is_empty() {
+                bail!("no textual content found");
+            }
+            Ok(text)
+        })
+    }
+}
diff --git a/crates/agent2/src/tools/find_path_tool.rs b/crates/agent2/src/tools/find_path_tool.rs
new file mode 100644
index 0000000000..384bd56e77
--- /dev/null
+++ b/crates/agent2/src/tools/find_path_tool.rs
@@ -0,0 +1,245 @@
+use crate::{AgentTool, ToolCallEventStream};
+use agent_client_protocol as acp;
+use anyhow::{Result, anyhow};
+use gpui::{App, AppContext, Entity, SharedString, Task};
+use language_model::LanguageModelToolResultContent;
+use project::Project;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use std::fmt::Write;
+use std::{cmp, path::PathBuf, sync::Arc};
+use util::paths::PathMatcher;
+
+/// Fast file path pattern matching tool that works with any codebase size
+///
+/// - Supports glob patterns like "**/*.js" or "src/**/*.ts"
+/// - Returns matching file paths sorted alphabetically
+/// - Prefer the `grep` tool to this tool when searching for symbols unless you have specific information about paths.
+/// - Use this tool when you need to find files by name patterns
+/// - Results are paginated with 50 matches per page. Use the optional 'offset' parameter to request subsequent pages.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct FindPathToolInput {
+    /// The glob to match against every path in the project.
+    ///
+    /// <example>
+    /// If the project has the following root directories:
+    ///
+    /// - directory1/a/something.txt
+    /// - directory2/a/things.txt
+    /// - directory3/a/other.txt
+    ///
+    /// You can get back the first two paths by providing a glob of "*thing*.txt"
+    /// </example>
+    pub glob: String,
+    /// Optional starting position for paginated results (0-based).
+    /// When not provided, starts from the beginning.
+    #[serde(default)]
+    pub offset: usize,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct FindPathToolOutput {
+    offset: usize,
+    current_matches_page: Vec<PathBuf>,
+    all_matches_len: usize,
+}
+
+impl From<FindPathToolOutput> for LanguageModelToolResultContent {
+    fn from(output: FindPathToolOutput) -> Self {
+        if output.current_matches_page.is_empty() {
+            "No matches found".into()
+        } else {
+            let mut llm_output = format!("Found {} total matches.", output.all_matches_len);
+            if output.all_matches_len > RESULTS_PER_PAGE {
+                write!(
+                    &mut llm_output,
+                    "\nShowing results {}-{} (provide 'offset' parameter for more results):",
+                    output.offset + 1,
+                    output.offset + output.current_matches_page.len()
+                )
+                .unwrap();
+            }
+
+            for mat in output.current_matches_page {
+                write!(&mut llm_output, "\n{}", mat.display()).unwrap();
+            }
+
+            llm_output.into()
+        }
+    }
+}
+
+const RESULTS_PER_PAGE: usize = 50;
+
+pub struct FindPathTool {
+    project: Entity<Project>,
+}
+
+impl FindPathTool {
+    pub fn new(project: Entity<Project>) -> Self {
+        Self { project }
+    }
+}
+
+impl AgentTool for FindPathTool {
+    type Input = FindPathToolInput;
+    type Output = FindPathToolOutput;
+
+    fn name() -> &'static str {
+        "find_path"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Search
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        let mut title = "Find paths".to_string();
+        if let Ok(input) = input {
+            title.push_str(&format!(" matching “`{}`”", input.glob));
+        }
+        title.into()
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<FindPathToolOutput>> {
+        let search_paths_task = search_paths(&input.glob, self.project.clone(), cx);
+
+        cx.background_spawn(async move {
+            let matches = search_paths_task.await?;
+            let paginated_matches: &[PathBuf] = &matches[cmp::min(input.offset, matches.len())
+                ..cmp::min(input.offset + RESULTS_PER_PAGE, matches.len())];
+
+            event_stream.update_fields(acp::ToolCallUpdateFields {
+                title: Some(if paginated_matches.is_empty() {
+                    "No matches".into()
+                } else if paginated_matches.len() == 1 {
+                    "1 match".into()
+                } else {
+                    format!("{} matches", paginated_matches.len())
+                }),
+                content: Some(
+                    paginated_matches
+                        .iter()
+                        .map(|path| acp::ToolCallContent::Content {
+                            content: acp::ContentBlock::ResourceLink(acp::ResourceLink {
+                                uri: format!("file://{}", path.display()),
+                                name: path.to_string_lossy().into(),
+                                annotations: None,
+                                description: None,
+                                mime_type: None,
+                                size: None,
+                                title: None,
+                            }),
+                        })
+                        .collect(),
+                ),
+                ..Default::default()
+            });
+
+            Ok(FindPathToolOutput {
+                offset: input.offset,
+                current_matches_page: paginated_matches.to_vec(),
+                all_matches_len: matches.len(),
+            })
+        })
+    }
+}
+
+fn search_paths(glob: &str, project: Entity<Project>, cx: &mut App) -> Task<Result<Vec<PathBuf>>> {
+    let path_matcher = match PathMatcher::new([
+        // Sometimes models try to search for "". In this case, return all paths in the project.
+        if glob.is_empty() { "*" } else { glob },
+    ]) {
+        Ok(matcher) => matcher,
+        Err(err) => return Task::ready(Err(anyhow!("Invalid glob: {err}"))),
+    };
+    let snapshots: Vec<_> = project
+        .read(cx)
+        .worktrees(cx)
+        .map(|worktree| worktree.read(cx).snapshot())
+        .collect();
+
+    cx.background_spawn(async move {
+        let mut results = Vec::new();
+        for snapshot in snapshots {
+            for entry in snapshot.entries(false, 0) {
+                let root_name = PathBuf::from(snapshot.root_name());
+                if path_matcher.is_match(root_name.join(&entry.path)) {
+                    results.push(snapshot.abs_path().join(entry.path.as_ref()));
+                }
+            }
+        }
+
+        Ok(results)
+    })
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use gpui::TestAppContext;
+    use project::{FakeFs, Project};
+    use settings::SettingsStore;
+    use util::path;
+
+    #[gpui::test]
+    async fn test_find_path_tool(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/root",
+            serde_json::json!({
+                "apple": {
+                    "banana": {
+                        "carrot": "1",
+                    },
+                    "bandana": {
+                        "carbonara": "2",
+                    },
+                    "endive": "3"
+                }
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+
+        let matches = cx
+            .update(|cx| search_paths("root/**/car*", project.clone(), cx))
+            .await
+            .unwrap();
+        assert_eq!(
+            matches,
+            &[
+                PathBuf::from(path!("/root/apple/banana/carrot")),
+                PathBuf::from(path!("/root/apple/bandana/carbonara"))
+            ]
+        );
+
+        let matches = cx
+            .update(|cx| search_paths("**/car*", project.clone(), cx))
+            .await
+            .unwrap();
+        assert_eq!(
+            matches,
+            &[
+                PathBuf::from(path!("/root/apple/banana/carrot")),
+                PathBuf::from(path!("/root/apple/bandana/carbonara"))
+            ]
+        );
+    }
+
+    fn init_test(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            Project::init_settings(cx);
+        });
+    }
+}
diff --git a/crates/agent2/src/tools/grep_tool.rs b/crates/agent2/src/tools/grep_tool.rs
new file mode 100644
index 0000000000..b24e773903
--- /dev/null
+++ b/crates/agent2/src/tools/grep_tool.rs
@@ -0,0 +1,1182 @@
+use crate::{AgentTool, ToolCallEventStream};
+use agent_client_protocol as acp;
+use anyhow::{Result, anyhow};
+use futures::StreamExt;
+use gpui::{App, Entity, SharedString, Task};
+use language::{OffsetRangeExt, ParseStatus, Point};
+use project::{
+    Project, WorktreeSettings,
+    search::{SearchQuery, SearchResult},
+};
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use settings::Settings;
+use std::{cmp, fmt::Write, sync::Arc};
+use util::RangeExt;
+use util::markdown::MarkdownInlineCode;
+use util::paths::PathMatcher;
+
+/// Searches the contents of files in the project with a regular expression
+///
+/// - Prefer this tool to path search when searching for symbols in the project, because you won't need to guess what path it's in.
+/// - Supports full regex syntax (eg. "log.*Error", "function\\s+\\w+", etc.)
+/// - Pass an `include_pattern` if you know how to narrow your search on the files system
+/// - Never use this tool to search for paths. Only search file contents with this tool.
+/// - Use this tool when you need to find files containing specific patterns
+/// - Results are paginated with 20 matches per page. Use the optional 'offset' parameter to request subsequent pages.
+/// - DO NOT use HTML entities solely to escape characters in the tool parameters.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct GrepToolInput {
+    /// A regex pattern to search for in the entire project. Note that the regex will be parsed by the Rust `regex` crate.
+    ///
+    /// Do NOT specify a path here! This will only be matched against the code **content**.
+    pub regex: String,
+    /// A glob pattern for the paths of files to include in the search.
+    /// Supports standard glob patterns like "**/*.rs" or "src/**/*.ts".
+    /// If omitted, all files in the project will be searched.
+    pub include_pattern: Option<String>,
+    /// Optional starting position for paginated results (0-based).
+    /// When not provided, starts from the beginning.
+    #[serde(default)]
+    pub offset: u32,
+    /// Whether the regex is case-sensitive. Defaults to false (case-insensitive).
+    #[serde(default)]
+    pub case_sensitive: bool,
+}
+
+impl GrepToolInput {
+    /// Which page of search results this is.
+    pub fn page(&self) -> u32 {
+        1 + (self.offset / RESULTS_PER_PAGE)
+    }
+}
+
+const RESULTS_PER_PAGE: u32 = 20;
+
+pub struct GrepTool {
+    project: Entity<Project>,
+}
+
+impl GrepTool {
+    pub fn new(project: Entity<Project>) -> Self {
+        Self { project }
+    }
+}
+
+impl AgentTool for GrepTool {
+    type Input = GrepToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "grep"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Search
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        match input {
+            Ok(input) => {
+                let page = input.page();
+                let regex_str = MarkdownInlineCode(&input.regex);
+                let case_info = if input.case_sensitive {
+                    " (case-sensitive)"
+                } else {
+                    ""
+                };
+
+                if page > 1 {
+                    format!("Get page {page} of search results for regex {regex_str}{case_info}")
+                } else {
+                    format!("Search files for regex {regex_str}{case_info}")
+                }
+            }
+            Err(_) => "Search with regex".into(),
+        }
+        .into()
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        const CONTEXT_LINES: u32 = 2;
+        const MAX_ANCESTOR_LINES: u32 = 10;
+
+        let include_matcher = match PathMatcher::new(
+            input
+                .include_pattern
+                .as_ref()
+                .into_iter()
+                .collect::<Vec<_>>(),
+        ) {
+            Ok(matcher) => matcher,
+            Err(error) => {
+                return Task::ready(Err(anyhow!("invalid include glob pattern: {error}")));
+            }
+        };
+
+        // Exclude global file_scan_exclusions and private_files settings
+        let exclude_matcher = {
+            let global_settings = WorktreeSettings::get_global(cx);
+            let exclude_patterns = global_settings
+                .file_scan_exclusions
+                .sources()
+                .iter()
+                .chain(global_settings.private_files.sources().iter());
+
+            match PathMatcher::new(exclude_patterns) {
+                Ok(matcher) => matcher,
+                Err(error) => {
+                    return Task::ready(Err(anyhow!("invalid exclude pattern: {error}")));
+                }
+            }
+        };
+
+        let query = match SearchQuery::regex(
+            &input.regex,
+            false,
+            input.case_sensitive,
+            false,
+            false,
+            include_matcher,
+            exclude_matcher,
+            true, // Always match file include pattern against *full project paths* that start with a project root.
+            None,
+        ) {
+            Ok(query) => query,
+            Err(error) => return Task::ready(Err(error)),
+        };
+
+        let results = self
+            .project
+            .update(cx, |project, cx| project.search(query, cx));
+
+        let project = self.project.downgrade();
+        cx.spawn(async move |cx|  {
+            futures::pin_mut!(results);
+
+            let mut output = String::new();
+            let mut skips_remaining = input.offset;
+            let mut matches_found = 0;
+            let mut has_more_matches = false;
+
+            'outer: while let Some(SearchResult::Buffer { buffer, ranges }) = results.next().await {
+                if ranges.is_empty() {
+                    continue;
+                }
+
+                let Ok((Some(path), mut parse_status)) = buffer.read_with(cx, |buffer, cx| {
+                    (buffer.file().map(|file| file.full_path(cx)), buffer.parse_status())
+                }) else {
+                    continue;
+                };
+
+                // Check if this file should be excluded based on its worktree settings
+                if let Ok(Some(project_path)) = project.read_with(cx, |project, cx| {
+                    project.find_project_path(&path, cx)
+                })
+                    && cx.update(|cx| {
+                        let worktree_settings = WorktreeSettings::get(Some((&project_path).into()), cx);
+                        worktree_settings.is_path_excluded(&project_path.path)
+                            || worktree_settings.is_path_private(&project_path.path)
+                    }).unwrap_or(false) {
+                        continue;
+                    }
+
+                while *parse_status.borrow() != ParseStatus::Idle {
+                    parse_status.changed().await?;
+                }
+
+                let snapshot = buffer.read_with(cx, |buffer, _cx| buffer.snapshot())?;
+
+                let mut ranges = ranges
+                    .into_iter()
+                    .map(|range| {
+                        let matched = range.to_point(&snapshot);
+                        let matched_end_line_len = snapshot.line_len(matched.end.row);
+                        let full_lines = Point::new(matched.start.row, 0)..Point::new(matched.end.row, matched_end_line_len);
+                        let symbols = snapshot.symbols_containing(matched.start, None);
+
+                        if let Some(ancestor_node) = snapshot.syntax_ancestor(full_lines.clone()) {
+                            let full_ancestor_range = ancestor_node.byte_range().to_point(&snapshot);
+                            let end_row = full_ancestor_range.end.row.min(full_ancestor_range.start.row + MAX_ANCESTOR_LINES);
+                            let end_col = snapshot.line_len(end_row);
+                            let capped_ancestor_range = Point::new(full_ancestor_range.start.row, 0)..Point::new(end_row, end_col);
+
+                            if capped_ancestor_range.contains_inclusive(&full_lines) {
+                                return (capped_ancestor_range, Some(full_ancestor_range), symbols)
+                            }
+                        }
+
+                        let mut matched = matched;
+                        matched.start.column = 0;
+                        matched.start.row =
+                            matched.start.row.saturating_sub(CONTEXT_LINES);
+                        matched.end.row = cmp::min(
+                            snapshot.max_point().row,
+                            matched.end.row + CONTEXT_LINES,
+                        );
+                        matched.end.column = snapshot.line_len(matched.end.row);
+
+                        (matched, None, symbols)
+                    })
+                    .peekable();
+
+                let mut file_header_written = false;
+
+                while let Some((mut range, ancestor_range, parent_symbols)) = ranges.next(){
+                    if skips_remaining > 0 {
+                        skips_remaining -= 1;
+                        continue;
+                    }
+
+                    // We'd already found a full page of matches, and we just found one more.
+                    if matches_found >= RESULTS_PER_PAGE {
+                        has_more_matches = true;
+                        break 'outer;
+                    }
+
+                    while let Some((next_range, _, _)) = ranges.peek() {
+                        if range.end.row >= next_range.start.row {
+                            range.end = next_range.end;
+                            ranges.next();
+                        } else {
+                            break;
+                        }
+                    }
+
+                    if !file_header_written {
+                        writeln!(output, "\n## Matches in {}", path.display())?;
+                        file_header_written = true;
+                    }
+
+                    let end_row = range.end.row;
+                    output.push_str("\n### ");
+
+                    if let Some(parent_symbols) = &parent_symbols {
+                        for symbol in parent_symbols {
+                            write!(output, "{} › ", symbol.text)?;
+                        }
+                    }
+
+                    if range.start.row == end_row {
+                        writeln!(output, "L{}", range.start.row + 1)?;
+                    } else {
+                        writeln!(output, "L{}-{}", range.start.row + 1, end_row + 1)?;
+                    }
+
+                    output.push_str("```\n");
+                    output.extend(snapshot.text_for_range(range));
+                    output.push_str("\n```\n");
+
+                    if let Some(ancestor_range) = ancestor_range
+                        && end_row < ancestor_range.end.row {
+                            let remaining_lines = ancestor_range.end.row - end_row;
+                            writeln!(output, "\n{} lines remaining in ancestor node. Read the file to see all.", remaining_lines)?;
+                        }
+
+                    matches_found += 1;
+                }
+            }
+
+            if matches_found == 0 {
+                Ok("No matches found".into())
+            } else if has_more_matches {
+                Ok(format!(
+                    "Showing matches {}-{} (there were more matches found; use offset: {} to see next page):\n{output}",
+                    input.offset + 1,
+                    input.offset + matches_found,
+                    input.offset + RESULTS_PER_PAGE,
+                ))
+            } else {
+                Ok(format!("Found {matches_found} matches:\n{output}"))
+            }
+        })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::ToolCallEventStream;
+
+    use super::*;
+    use gpui::{TestAppContext, UpdateGlobal};
+    use language::{Language, LanguageConfig, LanguageMatcher};
+    use project::{FakeFs, Project, WorktreeSettings};
+    use serde_json::json;
+    use settings::SettingsStore;
+    use unindent::Unindent;
+    use util::path;
+
+    #[gpui::test]
+    async fn test_grep_tool_with_include_pattern(cx: &mut TestAppContext) {
+        init_test(cx);
+        cx.executor().allow_parking();
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/root"),
+            serde_json::json!({
+                "src": {
+                    "main.rs": "fn main() {\n    println!(\"Hello, world!\");\n}",
+                    "utils": {
+                        "helper.rs": "fn helper() {\n    println!(\"I'm a helper!\");\n}",
+                    },
+                },
+                "tests": {
+                    "test_main.rs": "fn test_main() {\n    assert!(true);\n}",
+                }
+            }),
+        )
+        .await;
+
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+
+        // Test with include pattern for Rust files inside the root of the project
+        let input = GrepToolInput {
+            regex: "println".to_string(),
+            include_pattern: Some("root/**/*.rs".to_string()),
+            offset: 0,
+            case_sensitive: false,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        assert!(result.contains("main.rs"), "Should find matches in main.rs");
+        assert!(
+            result.contains("helper.rs"),
+            "Should find matches in helper.rs"
+        );
+        assert!(
+            !result.contains("test_main.rs"),
+            "Should not include test_main.rs even though it's a .rs file (because it doesn't have the pattern)"
+        );
+
+        // Test with include pattern for src directory only
+        let input = GrepToolInput {
+            regex: "fn".to_string(),
+            include_pattern: Some("root/**/src/**".to_string()),
+            offset: 0,
+            case_sensitive: false,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        assert!(
+            result.contains("main.rs"),
+            "Should find matches in src/main.rs"
+        );
+        assert!(
+            result.contains("helper.rs"),
+            "Should find matches in src/utils/helper.rs"
+        );
+        assert!(
+            !result.contains("test_main.rs"),
+            "Should not include test_main.rs as it's not in src directory"
+        );
+
+        // Test with empty include pattern (should default to all files)
+        let input = GrepToolInput {
+            regex: "fn".to_string(),
+            include_pattern: None,
+            offset: 0,
+            case_sensitive: false,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        assert!(result.contains("main.rs"), "Should find matches in main.rs");
+        assert!(
+            result.contains("helper.rs"),
+            "Should find matches in helper.rs"
+        );
+        assert!(
+            result.contains("test_main.rs"),
+            "Should include test_main.rs"
+        );
+    }
+
+    #[gpui::test]
+    async fn test_grep_tool_with_case_sensitivity(cx: &mut TestAppContext) {
+        init_test(cx);
+        cx.executor().allow_parking();
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/root"),
+            serde_json::json!({
+                "case_test.txt": "This file has UPPERCASE and lowercase text.\nUPPERCASE patterns should match only with case_sensitive: true",
+            }),
+        )
+        .await;
+
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+
+        // Test case-insensitive search (default)
+        let input = GrepToolInput {
+            regex: "uppercase".to_string(),
+            include_pattern: Some("**/*.txt".to_string()),
+            offset: 0,
+            case_sensitive: false,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        assert!(
+            result.contains("UPPERCASE"),
+            "Case-insensitive search should match uppercase"
+        );
+
+        // Test case-sensitive search
+        let input = GrepToolInput {
+            regex: "uppercase".to_string(),
+            include_pattern: Some("**/*.txt".to_string()),
+            offset: 0,
+            case_sensitive: true,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        assert!(
+            !result.contains("UPPERCASE"),
+            "Case-sensitive search should not match uppercase"
+        );
+
+        // Test case-sensitive search
+        let input = GrepToolInput {
+            regex: "LOWERCASE".to_string(),
+            include_pattern: Some("**/*.txt".to_string()),
+            offset: 0,
+            case_sensitive: true,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+
+        assert!(
+            !result.contains("lowercase"),
+            "Case-sensitive search should match lowercase"
+        );
+
+        // Test case-sensitive search for lowercase pattern
+        let input = GrepToolInput {
+            regex: "lowercase".to_string(),
+            include_pattern: Some("**/*.txt".to_string()),
+            offset: 0,
+            case_sensitive: true,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        assert!(
+            result.contains("lowercase"),
+            "Case-sensitive search should match lowercase text"
+        );
+    }
+
+    /// Helper function to set up a syntax test environment
+    async fn setup_syntax_test(cx: &mut TestAppContext) -> Entity<Project> {
+        use unindent::Unindent;
+        init_test(cx);
+        cx.executor().allow_parking();
+
+        let fs = FakeFs::new(cx.executor());
+
+        // Create test file with syntax structures
+        fs.insert_tree(
+            path!("/root"),
+            serde_json::json!({
+                "test_syntax.rs": r#"
+                    fn top_level_function() {
+                        println!("This is at the top level");
+                    }
+
+                    mod feature_module {
+                        pub mod nested_module {
+                            pub fn nested_function(
+                                first_arg: String,
+                                second_arg: i32,
+                            ) {
+                                println!("Function in nested module");
+                                println!("{first_arg}");
+                                println!("{second_arg}");
+                            }
+                        }
+                    }
+
+                    struct MyStruct {
+                        field1: String,
+                        field2: i32,
+                    }
+
+                    impl MyStruct {
+                        fn method_with_block() {
+                            let condition = true;
+                            if condition {
+                                println!("Inside if block");
+                            }
+                        }
+
+                        fn long_function() {
+                            println!("Line 1");
+                            println!("Line 2");
+                            println!("Line 3");
+                            println!("Line 4");
+                            println!("Line 5");
+                            println!("Line 6");
+                            println!("Line 7");
+                            println!("Line 8");
+                            println!("Line 9");
+                            println!("Line 10");
+                            println!("Line 11");
+                            println!("Line 12");
+                        }
+                    }
+
+                    trait Processor {
+                        fn process(&self, input: &str) -> String;
+                    }
+
+                    impl Processor for MyStruct {
+                        fn process(&self, input: &str) -> String {
+                            format!("Processed: {}", input)
+                        }
+                    }
+                "#.unindent().trim(),
+            }),
+        )
+        .await;
+
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+
+        project.update(cx, |project, _cx| {
+            project.languages().add(rust_lang().into())
+        });
+
+        project
+    }
+
+    #[gpui::test]
+    async fn test_grep_top_level_function(cx: &mut TestAppContext) {
+        let project = setup_syntax_test(cx).await;
+
+        // Test: Line at the top level of the file
+        let input = GrepToolInput {
+            regex: "This is at the top level".to_string(),
+            include_pattern: Some("**/*.rs".to_string()),
+            offset: 0,
+            case_sensitive: false,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        let expected = r#"
+            Found 1 matches:
+
+            ## Matches in root/test_syntax.rs
+
+            ### fn top_level_function › L1-3
+            ```
+            fn top_level_function() {
+                println!("This is at the top level");
+            }
+            ```
+            "#
+        .unindent();
+        assert_eq!(result, expected);
+    }
+
+    #[gpui::test]
+    async fn test_grep_function_body(cx: &mut TestAppContext) {
+        let project = setup_syntax_test(cx).await;
+
+        // Test: Line inside a function body
+        let input = GrepToolInput {
+            regex: "Function in nested module".to_string(),
+            include_pattern: Some("**/*.rs".to_string()),
+            offset: 0,
+            case_sensitive: false,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        let expected = r#"
+            Found 1 matches:
+
+            ## Matches in root/test_syntax.rs
+
+            ### mod feature_module › pub mod nested_module › pub fn nested_function › L10-14
+            ```
+                    ) {
+                        println!("Function in nested module");
+                        println!("{first_arg}");
+                        println!("{second_arg}");
+                    }
+            ```
+            "#
+        .unindent();
+        assert_eq!(result, expected);
+    }
+
+    #[gpui::test]
+    async fn test_grep_function_args_and_body(cx: &mut TestAppContext) {
+        let project = setup_syntax_test(cx).await;
+
+        // Test: Line with a function argument
+        let input = GrepToolInput {
+            regex: "second_arg".to_string(),
+            include_pattern: Some("**/*.rs".to_string()),
+            offset: 0,
+            case_sensitive: false,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        let expected = r#"
+            Found 1 matches:
+
+            ## Matches in root/test_syntax.rs
+
+            ### mod feature_module › pub mod nested_module › pub fn nested_function › L7-14
+            ```
+                    pub fn nested_function(
+                        first_arg: String,
+                        second_arg: i32,
+                    ) {
+                        println!("Function in nested module");
+                        println!("{first_arg}");
+                        println!("{second_arg}");
+                    }
+            ```
+            "#
+        .unindent();
+        assert_eq!(result, expected);
+    }
+
+    #[gpui::test]
+    async fn test_grep_if_block(cx: &mut TestAppContext) {
+        use unindent::Unindent;
+        let project = setup_syntax_test(cx).await;
+
+        // Test: Line inside an if block
+        let input = GrepToolInput {
+            regex: "Inside if block".to_string(),
+            include_pattern: Some("**/*.rs".to_string()),
+            offset: 0,
+            case_sensitive: false,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        let expected = r#"
+            Found 1 matches:
+
+            ## Matches in root/test_syntax.rs
+
+            ### impl MyStruct › fn method_with_block › L26-28
+            ```
+                    if condition {
+                        println!("Inside if block");
+                    }
+            ```
+            "#
+        .unindent();
+        assert_eq!(result, expected);
+    }
+
+    #[gpui::test]
+    async fn test_grep_long_function_top(cx: &mut TestAppContext) {
+        use unindent::Unindent;
+        let project = setup_syntax_test(cx).await;
+
+        // Test: Line in the middle of a long function - should show message about remaining lines
+        let input = GrepToolInput {
+            regex: "Line 5".to_string(),
+            include_pattern: Some("**/*.rs".to_string()),
+            offset: 0,
+            case_sensitive: false,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        let expected = r#"
+            Found 1 matches:
+
+            ## Matches in root/test_syntax.rs
+
+            ### impl MyStruct › fn long_function › L31-41
+            ```
+                fn long_function() {
+                    println!("Line 1");
+                    println!("Line 2");
+                    println!("Line 3");
+                    println!("Line 4");
+                    println!("Line 5");
+                    println!("Line 6");
+                    println!("Line 7");
+                    println!("Line 8");
+                    println!("Line 9");
+                    println!("Line 10");
+            ```
+
+            3 lines remaining in ancestor node. Read the file to see all.
+            "#
+        .unindent();
+        assert_eq!(result, expected);
+    }
+
+    #[gpui::test]
+    async fn test_grep_long_function_bottom(cx: &mut TestAppContext) {
+        use unindent::Unindent;
+        let project = setup_syntax_test(cx).await;
+
+        // Test: Line in the long function
+        let input = GrepToolInput {
+            regex: "Line 12".to_string(),
+            include_pattern: Some("**/*.rs".to_string()),
+            offset: 0,
+            case_sensitive: false,
+        };
+
+        let result = run_grep_tool(input, project.clone(), cx).await;
+        let expected = r#"
+            Found 1 matches:
+
+            ## Matches in root/test_syntax.rs
+
+            ### impl MyStruct › fn long_function › L41-45
+            ```
+                    println!("Line 10");
+                    println!("Line 11");
+                    println!("Line 12");
+                }
+            }
+            ```
+            "#
+        .unindent();
+        assert_eq!(result, expected);
+    }
+
+    async fn run_grep_tool(
+        input: GrepToolInput,
+        project: Entity<Project>,
+        cx: &mut TestAppContext,
+    ) -> String {
+        let tool = Arc::new(GrepTool { project });
+        let task = cx.update(|cx| tool.run(input, ToolCallEventStream::test().0, cx));
+
+        match task.await {
+            Ok(result) => {
+                if cfg!(windows) {
+                    result.replace("root\\", "root/")
+                } else {
+                    result
+                }
+            }
+            Err(e) => panic!("Failed to run grep tool: {}", e),
+        }
+    }
+
+    fn init_test(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            Project::init_settings(cx);
+        });
+    }
+
+    fn rust_lang() -> Language {
+        Language::new(
+            LanguageConfig {
+                name: "Rust".into(),
+                matcher: LanguageMatcher {
+                    path_suffixes: vec!["rs".to_string()],
+                    ..Default::default()
+                },
+                ..Default::default()
+            },
+            Some(tree_sitter_rust::LANGUAGE.into()),
+        )
+        .with_outline_query(include_str!("../../../languages/src/rust/outline.scm"))
+        .unwrap()
+    }
+
+    #[gpui::test]
+    async fn test_grep_security_boundaries(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+
+        fs.insert_tree(
+            path!("/"),
+            json!({
+                "project_root": {
+                    "allowed_file.rs": "fn main() { println!(\"This file is in the project\"); }",
+                    ".mysecrets": "SECRET_KEY=abc123\nfn secret() { /* private */ }",
+                    ".secretdir": {
+                        "config": "fn special_configuration() { /* excluded */ }"
+                    },
+                    ".mymetadata": "fn custom_metadata() { /* excluded */ }",
+                    "subdir": {
+                        "normal_file.rs": "fn normal_file_content() { /* Normal */ }",
+                        "special.privatekey": "fn private_key_content() { /* private */ }",
+                        "data.mysensitive": "fn sensitive_data() { /* private */ }"
+                    }
+                },
+                "outside_project": {
+                    "sensitive_file.rs": "fn outside_function() { /* This file is outside the project */ }"
+                }
+            }),
+        )
+        .await;
+
+        cx.update(|cx| {
+            use gpui::UpdateGlobal;
+            use project::WorktreeSettings;
+            use settings::SettingsStore;
+            SettingsStore::update_global(cx, |store, cx| {
+                store.update_user_settings::<WorktreeSettings>(cx, |settings| {
+                    settings.file_scan_exclusions = Some(vec![
+                        "**/.secretdir".to_string(),
+                        "**/.mymetadata".to_string(),
+                    ]);
+                    settings.private_files = Some(vec![
+                        "**/.mysecrets".to_string(),
+                        "**/*.privatekey".to_string(),
+                        "**/*.mysensitive".to_string(),
+                    ]);
+                });
+            });
+        });
+
+        let project = Project::test(fs.clone(), [path!("/project_root").as_ref()], cx).await;
+
+        // Searching for files outside the project worktree should return no results
+        let result = run_grep_tool(
+            GrepToolInput {
+                regex: "outside_function".to_string(),
+                include_pattern: None,
+                offset: 0,
+                case_sensitive: false,
+            },
+            project.clone(),
+            cx,
+        )
+        .await;
+        let paths = extract_paths_from_results(&result);
+        assert!(
+            paths.is_empty(),
+            "grep_tool should not find files outside the project worktree"
+        );
+
+        // Searching within the project should succeed
+        let result = run_grep_tool(
+            GrepToolInput {
+                regex: "main".to_string(),
+                include_pattern: None,
+                offset: 0,
+                case_sensitive: false,
+            },
+            project.clone(),
+            cx,
+        )
+        .await;
+        let paths = extract_paths_from_results(&result);
+        assert!(
+            paths.iter().any(|p| p.contains("allowed_file.rs")),
+            "grep_tool should be able to search files inside worktrees"
+        );
+
+        // Searching files that match file_scan_exclusions should return no results
+        let result = run_grep_tool(
+            GrepToolInput {
+                regex: "special_configuration".to_string(),
+                include_pattern: None,
+                offset: 0,
+                case_sensitive: false,
+            },
+            project.clone(),
+            cx,
+        )
+        .await;
+        let paths = extract_paths_from_results(&result);
+        assert!(
+            paths.is_empty(),
+            "grep_tool should not search files in .secretdir (file_scan_exclusions)"
+        );
+
+        let result = run_grep_tool(
+            GrepToolInput {
+                regex: "custom_metadata".to_string(),
+                include_pattern: None,
+                offset: 0,
+                case_sensitive: false,
+            },
+            project.clone(),
+            cx,
+        )
+        .await;
+        let paths = extract_paths_from_results(&result);
+        assert!(
+            paths.is_empty(),
+            "grep_tool should not search .mymetadata files (file_scan_exclusions)"
+        );
+
+        // Searching private files should return no results
+        let result = run_grep_tool(
+            GrepToolInput {
+                regex: "SECRET_KEY".to_string(),
+                include_pattern: None,
+                offset: 0,
+                case_sensitive: false,
+            },
+            project.clone(),
+            cx,
+        )
+        .await;
+        let paths = extract_paths_from_results(&result);
+        assert!(
+            paths.is_empty(),
+            "grep_tool should not search .mysecrets (private_files)"
+        );
+
+        let result = run_grep_tool(
+            GrepToolInput {
+                regex: "private_key_content".to_string(),
+                include_pattern: None,
+                offset: 0,
+                case_sensitive: false,
+            },
+            project.clone(),
+            cx,
+        )
+        .await;
+        let paths = extract_paths_from_results(&result);
+
+        assert!(
+            paths.is_empty(),
+            "grep_tool should not search .privatekey files (private_files)"
+        );
+
+        let result = run_grep_tool(
+            GrepToolInput {
+                regex: "sensitive_data".to_string(),
+                include_pattern: None,
+                offset: 0,
+                case_sensitive: false,
+            },
+            project.clone(),
+            cx,
+        )
+        .await;
+        let paths = extract_paths_from_results(&result);
+        assert!(
+            paths.is_empty(),
+            "grep_tool should not search .mysensitive files (private_files)"
+        );
+
+        // Searching a normal file should still work, even with private_files configured
+        let result = run_grep_tool(
+            GrepToolInput {
+                regex: "normal_file_content".to_string(),
+                include_pattern: None,
+                offset: 0,
+                case_sensitive: false,
+            },
+            project.clone(),
+            cx,
+        )
+        .await;
+        let paths = extract_paths_from_results(&result);
+        assert!(
+            paths.iter().any(|p| p.contains("normal_file.rs")),
+            "Should be able to search normal files"
+        );
+
+        // Path traversal attempts with .. in include_pattern should not escape project
+        let result = run_grep_tool(
+            GrepToolInput {
+                regex: "outside_function".to_string(),
+                include_pattern: Some("../outside_project/**/*.rs".to_string()),
+                offset: 0,
+                case_sensitive: false,
+            },
+            project.clone(),
+            cx,
+        )
+        .await;
+        let paths = extract_paths_from_results(&result);
+        assert!(
+            paths.is_empty(),
+            "grep_tool should not allow escaping project boundaries with relative paths"
+        );
+    }
+
+    #[gpui::test]
+    async fn test_grep_with_multiple_worktree_settings(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+
+        // Create first worktree with its own private files
+        fs.insert_tree(
+            path!("/worktree1"),
+            json!({
+                ".zed": {
+                    "settings.json": r#"{
+                        "file_scan_exclusions": ["**/fixture.*"],
+                        "private_files": ["**/secret.rs"]
+                    }"#
+                },
+                "src": {
+                    "main.rs": "fn main() { let secret_key = \"hidden\"; }",
+                    "secret.rs": "const API_KEY: &str = \"secret_value\";",
+                    "utils.rs": "pub fn get_config() -> String { \"config\".to_string() }"
+                },
+                "tests": {
+                    "test.rs": "fn test_secret() { assert!(true); }",
+                    "fixture.sql": "SELECT * FROM secret_table;"
+                }
+            }),
+        )
+        .await;
+
+        // Create second worktree with different private files
+        fs.insert_tree(
+            path!("/worktree2"),
+            json!({
+                ".zed": {
+                    "settings.json": r#"{
+                        "file_scan_exclusions": ["**/internal.*"],
+                        "private_files": ["**/private.js", "**/data.json"]
+                    }"#
+                },
+                "lib": {
+                    "public.js": "export function getSecret() { return 'public'; }",
+                    "private.js": "const SECRET_KEY = \"private_value\";",
+                    "data.json": "{\"secret_data\": \"hidden\"}"
+                },
+                "docs": {
+                    "README.md": "# Documentation with secret info",
+                    "internal.md": "Internal secret documentation"
+                }
+            }),
+        )
+        .await;
+
+        // Set global settings
+        cx.update(|cx| {
+            SettingsStore::update_global(cx, |store, cx| {
+                store.update_user_settings::<WorktreeSettings>(cx, |settings| {
+                    settings.file_scan_exclusions =
+                        Some(vec!["**/.git".to_string(), "**/node_modules".to_string()]);
+                    settings.private_files = Some(vec!["**/.env".to_string()]);
+                });
+            });
+        });
+
+        let project = Project::test(
+            fs.clone(),
+            [path!("/worktree1").as_ref(), path!("/worktree2").as_ref()],
+            cx,
+        )
+        .await;
+
+        // Wait for worktrees to be fully scanned
+        cx.executor().run_until_parked();
+
+        // Search for "secret" - should exclude files based on worktree-specific settings
+        let result = run_grep_tool(
+            GrepToolInput {
+                regex: "secret".to_string(),
+                include_pattern: None,
+                offset: 0,
+                case_sensitive: false,
+            },
+            project.clone(),
+            cx,
+        )
+        .await;
+        let paths = extract_paths_from_results(&result);
+
+        // Should find matches in non-private files
+        assert!(
+            paths.iter().any(|p| p.contains("main.rs")),
+            "Should find 'secret' in worktree1/src/main.rs"
+        );
+        assert!(
+            paths.iter().any(|p| p.contains("test.rs")),
+            "Should find 'secret' in worktree1/tests/test.rs"
+        );
+        assert!(
+            paths.iter().any(|p| p.contains("public.js")),
+            "Should find 'secret' in worktree2/lib/public.js"
+        );
+        assert!(
+            paths.iter().any(|p| p.contains("README.md")),
+            "Should find 'secret' in worktree2/docs/README.md"
+        );
+
+        // Should NOT find matches in private/excluded files based on worktree settings
+        assert!(
+            !paths.iter().any(|p| p.contains("secret.rs")),
+            "Should not search in worktree1/src/secret.rs (local private_files)"
+        );
+        assert!(
+            !paths.iter().any(|p| p.contains("fixture.sql")),
+            "Should not search in worktree1/tests/fixture.sql (local file_scan_exclusions)"
+        );
+        assert!(
+            !paths.iter().any(|p| p.contains("private.js")),
+            "Should not search in worktree2/lib/private.js (local private_files)"
+        );
+        assert!(
+            !paths.iter().any(|p| p.contains("data.json")),
+            "Should not search in worktree2/lib/data.json (local private_files)"
+        );
+        assert!(
+            !paths.iter().any(|p| p.contains("internal.md")),
+            "Should not search in worktree2/docs/internal.md (local file_scan_exclusions)"
+        );
+
+        // Test with `include_pattern` specific to one worktree
+        let result = run_grep_tool(
+            GrepToolInput {
+                regex: "secret".to_string(),
+                include_pattern: Some("worktree1/**/*.rs".to_string()),
+                offset: 0,
+                case_sensitive: false,
+            },
+            project.clone(),
+            cx,
+        )
+        .await;
+
+        let paths = extract_paths_from_results(&result);
+
+        // Should only find matches in worktree1 *.rs files (excluding private ones)
+        assert!(
+            paths.iter().any(|p| p.contains("main.rs")),
+            "Should find match in worktree1/src/main.rs"
+        );
+        assert!(
+            paths.iter().any(|p| p.contains("test.rs")),
+            "Should find match in worktree1/tests/test.rs"
+        );
+        assert!(
+            !paths.iter().any(|p| p.contains("secret.rs")),
+            "Should not find match in excluded worktree1/src/secret.rs"
+        );
+        assert!(
+            paths.iter().all(|p| !p.contains("worktree2")),
+            "Should not find any matches in worktree2"
+        );
+    }
+
+    // Helper function to extract file paths from grep results
+    fn extract_paths_from_results(results: &str) -> Vec<String> {
+        results
+            .lines()
+            .filter(|line| line.starts_with("## Matches in "))
+            .map(|line| {
+                line.strip_prefix("## Matches in ")
+                    .unwrap()
+                    .trim()
+                    .to_string()
+            })
+            .collect()
+    }
+}
diff --git a/crates/agent2/src/tools/list_directory_tool.rs b/crates/agent2/src/tools/list_directory_tool.rs
new file mode 100644
index 0000000000..e6fa8d7431
--- /dev/null
+++ b/crates/agent2/src/tools/list_directory_tool.rs
@@ -0,0 +1,662 @@
+use crate::{AgentTool, ToolCallEventStream};
+use agent_client_protocol::ToolKind;
+use anyhow::{Result, anyhow};
+use gpui::{App, Entity, SharedString, Task};
+use project::{Project, WorktreeSettings};
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use settings::Settings;
+use std::fmt::Write;
+use std::{path::Path, sync::Arc};
+use util::markdown::MarkdownInlineCode;
+
+/// Lists files and directories in a given path. Prefer the `grep` or `find_path` tools when searching the codebase.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct ListDirectoryToolInput {
+    /// The fully-qualified path of the directory to list in the project.
+    ///
+    /// This path should never be absolute, and the first component of the path should always be a root directory in a project.
+    ///
+    /// <example>
+    /// If the project has the following root directories:
+    ///
+    /// - directory1
+    /// - directory2
+    ///
+    /// You can list the contents of `directory1` by using the path `directory1`.
+    /// </example>
+    ///
+    /// <example>
+    /// If the project has the following root directories:
+    ///
+    /// - foo
+    /// - bar
+    ///
+    /// If you wanna list contents in the directory `foo/baz`, you should use the path `foo/baz`.
+    /// </example>
+    pub path: String,
+}
+
+pub struct ListDirectoryTool {
+    project: Entity<Project>,
+}
+
+impl ListDirectoryTool {
+    pub fn new(project: Entity<Project>) -> Self {
+        Self { project }
+    }
+}
+
+impl AgentTool for ListDirectoryTool {
+    type Input = ListDirectoryToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "list_directory"
+    }
+
+    fn kind() -> ToolKind {
+        ToolKind::Read
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        if let Ok(input) = input {
+            let path = MarkdownInlineCode(&input.path);
+            format!("List the {path} directory's contents").into()
+        } else {
+            "List directory".into()
+        }
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        // Sometimes models will return these even though we tell it to give a path and not a glob.
+        // When this happens, just list the root worktree directories.
+        if matches!(input.path.as_str(), "." | "" | "./" | "*") {
+            let output = self
+                .project
+                .read(cx)
+                .worktrees(cx)
+                .filter_map(|worktree| {
+                    worktree.read(cx).root_entry().and_then(|entry| {
+                        if entry.is_dir() {
+                            entry.path.to_str()
+                        } else {
+                            None
+                        }
+                    })
+                })
+                .collect::<Vec<_>>()
+                .join("\n");
+
+            return Task::ready(Ok(output));
+        }
+
+        let Some(project_path) = self.project.read(cx).find_project_path(&input.path, cx) else {
+            return Task::ready(Err(anyhow!("Path {} not found in project", input.path)));
+        };
+        let Some(worktree) = self
+            .project
+            .read(cx)
+            .worktree_for_id(project_path.worktree_id, cx)
+        else {
+            return Task::ready(Err(anyhow!("Worktree not found")));
+        };
+
+        // Check if the directory whose contents we're listing is itself excluded or private
+        let global_settings = WorktreeSettings::get_global(cx);
+        if global_settings.is_path_excluded(&project_path.path) {
+            return Task::ready(Err(anyhow!(
+                "Cannot list directory because its path matches the user's global `file_scan_exclusions` setting: {}",
+                &input.path
+            )));
+        }
+
+        if global_settings.is_path_private(&project_path.path) {
+            return Task::ready(Err(anyhow!(
+                "Cannot list directory because its path matches the user's global `private_files` setting: {}",
+                &input.path
+            )));
+        }
+
+        let worktree_settings = WorktreeSettings::get(Some((&project_path).into()), cx);
+        if worktree_settings.is_path_excluded(&project_path.path) {
+            return Task::ready(Err(anyhow!(
+                "Cannot list directory because its path matches the user's worktree`file_scan_exclusions` setting: {}",
+                &input.path
+            )));
+        }
+
+        if worktree_settings.is_path_private(&project_path.path) {
+            return Task::ready(Err(anyhow!(
+                "Cannot list directory because its path matches the user's worktree `private_paths` setting: {}",
+                &input.path
+            )));
+        }
+
+        let worktree_snapshot = worktree.read(cx).snapshot();
+        let worktree_root_name = worktree.read(cx).root_name().to_string();
+
+        let Some(entry) = worktree_snapshot.entry_for_path(&project_path.path) else {
+            return Task::ready(Err(anyhow!("Path not found: {}", input.path)));
+        };
+
+        if !entry.is_dir() {
+            return Task::ready(Err(anyhow!("{} is not a directory.", input.path)));
+        }
+        let worktree_snapshot = worktree.read(cx).snapshot();
+
+        let mut folders = Vec::new();
+        let mut files = Vec::new();
+
+        for entry in worktree_snapshot.child_entries(&project_path.path) {
+            // Skip private and excluded files and directories
+            if global_settings.is_path_private(&entry.path)
+                || global_settings.is_path_excluded(&entry.path)
+            {
+                continue;
+            }
+
+            if self
+                .project
+                .read(cx)
+                .find_project_path(&entry.path, cx)
+                .map(|project_path| {
+                    let worktree_settings = WorktreeSettings::get(Some((&project_path).into()), cx);
+
+                    worktree_settings.is_path_excluded(&project_path.path)
+                        || worktree_settings.is_path_private(&project_path.path)
+                })
+                .unwrap_or(false)
+            {
+                continue;
+            }
+
+            let full_path = Path::new(&worktree_root_name)
+                .join(&entry.path)
+                .display()
+                .to_string();
+            if entry.is_dir() {
+                folders.push(full_path);
+            } else {
+                files.push(full_path);
+            }
+        }
+
+        let mut output = String::new();
+
+        if !folders.is_empty() {
+            writeln!(output, "# Folders:\n{}", folders.join("\n")).unwrap();
+        }
+
+        if !files.is_empty() {
+            writeln!(output, "\n# Files:\n{}", files.join("\n")).unwrap();
+        }
+
+        if output.is_empty() {
+            writeln!(output, "{} is empty.", input.path).unwrap();
+        }
+
+        Task::ready(Ok(output))
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use gpui::{TestAppContext, UpdateGlobal};
+    use indoc::indoc;
+    use project::{FakeFs, Project, WorktreeSettings};
+    use serde_json::json;
+    use settings::SettingsStore;
+    use util::path;
+
+    fn platform_paths(path_str: &str) -> String {
+        if cfg!(target_os = "windows") {
+            path_str.replace("/", "\\")
+        } else {
+            path_str.to_string()
+        }
+    }
+
+    fn init_test(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            Project::init_settings(cx);
+        });
+    }
+
+    #[gpui::test]
+    async fn test_list_directory_separates_files_and_dirs(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/project"),
+            json!({
+                "src": {
+                    "main.rs": "fn main() {}",
+                    "lib.rs": "pub fn hello() {}",
+                    "models": {
+                        "user.rs": "struct User {}",
+                        "post.rs": "struct Post {}"
+                    },
+                    "utils": {
+                        "helper.rs": "pub fn help() {}"
+                    }
+                },
+                "tests": {
+                    "integration_test.rs": "#[test] fn test() {}"
+                },
+                "README.md": "# Project",
+                "Cargo.toml": "[package]"
+            }),
+        )
+        .await;
+
+        let project = Project::test(fs.clone(), [path!("/project").as_ref()], cx).await;
+        let tool = Arc::new(ListDirectoryTool::new(project));
+
+        // Test listing root directory
+        let input = ListDirectoryToolInput {
+            path: "project".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await
+            .unwrap();
+        assert_eq!(
+            output,
+            platform_paths(indoc! {"
+                # Folders:
+                project/src
+                project/tests
+
+                # Files:
+                project/Cargo.toml
+                project/README.md
+            "})
+        );
+
+        // Test listing src directory
+        let input = ListDirectoryToolInput {
+            path: "project/src".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await
+            .unwrap();
+        assert_eq!(
+            output,
+            platform_paths(indoc! {"
+                # Folders:
+                project/src/models
+                project/src/utils
+
+                # Files:
+                project/src/lib.rs
+                project/src/main.rs
+            "})
+        );
+
+        // Test listing directory with only files
+        let input = ListDirectoryToolInput {
+            path: "project/tests".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await
+            .unwrap();
+        assert!(!output.contains("# Folders:"));
+        assert!(output.contains("# Files:"));
+        assert!(output.contains(&platform_paths("project/tests/integration_test.rs")));
+    }
+
+    #[gpui::test]
+    async fn test_list_directory_empty_directory(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/project"),
+            json!({
+                "empty_dir": {}
+            }),
+        )
+        .await;
+
+        let project = Project::test(fs.clone(), [path!("/project").as_ref()], cx).await;
+        let tool = Arc::new(ListDirectoryTool::new(project));
+
+        let input = ListDirectoryToolInput {
+            path: "project/empty_dir".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await
+            .unwrap();
+        assert_eq!(output, "project/empty_dir is empty.\n");
+    }
+
+    #[gpui::test]
+    async fn test_list_directory_error_cases(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/project"),
+            json!({
+                "file.txt": "content"
+            }),
+        )
+        .await;
+
+        let project = Project::test(fs.clone(), [path!("/project").as_ref()], cx).await;
+        let tool = Arc::new(ListDirectoryTool::new(project));
+
+        // Test non-existent path
+        let input = ListDirectoryToolInput {
+            path: "project/nonexistent".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await;
+        assert!(output.unwrap_err().to_string().contains("Path not found"));
+
+        // Test trying to list a file instead of directory
+        let input = ListDirectoryToolInput {
+            path: "project/file.txt".into(),
+        };
+        let output = cx
+            .update(|cx| tool.run(input, ToolCallEventStream::test().0, cx))
+            .await;
+        assert!(
+            output
+                .unwrap_err()
+                .to_string()
+                .contains("is not a directory")
+        );
+    }
+
+    #[gpui::test]
+    async fn test_list_directory_security(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/project"),
+            json!({
+                "normal_dir": {
+                    "file1.txt": "content",
+                    "file2.txt": "content"
+                },
+                ".mysecrets": "SECRET_KEY=abc123",
+                ".secretdir": {
+                    "config": "special configuration",
+                    "secret.txt": "secret content"
+                },
+                ".mymetadata": "custom metadata",
+                "visible_dir": {
+                    "normal.txt": "normal content",
+                    "special.privatekey": "private key content",
+                    "data.mysensitive": "sensitive data",
+                    ".hidden_subdir": {
+                        "hidden_file.txt": "hidden content"
+                    }
+                }
+            }),
+        )
+        .await;
+
+        // Configure settings explicitly
+        cx.update(|cx| {
+            SettingsStore::update_global(cx, |store, cx| {
+                store.update_user_settings::<WorktreeSettings>(cx, |settings| {
+                    settings.file_scan_exclusions = Some(vec![
+                        "**/.secretdir".to_string(),
+                        "**/.mymetadata".to_string(),
+                        "**/.hidden_subdir".to_string(),
+                    ]);
+                    settings.private_files = Some(vec![
+                        "**/.mysecrets".to_string(),
+                        "**/*.privatekey".to_string(),
+                        "**/*.mysensitive".to_string(),
+                    ]);
+                });
+            });
+        });
+
+        let project = Project::test(fs.clone(), [path!("/project").as_ref()], cx).await;
+        let tool = Arc::new(ListDirectoryTool::new(project));
+
+        // Listing root directory should exclude private and excluded files
+        let input = ListDirectoryToolInput {
+            path: "project".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await
+            .unwrap();
+
+        // Should include normal directories
+        assert!(output.contains("normal_dir"), "Should list normal_dir");
+        assert!(output.contains("visible_dir"), "Should list visible_dir");
+
+        // Should NOT include excluded or private files
+        assert!(
+            !output.contains(".secretdir"),
+            "Should not list .secretdir (file_scan_exclusions)"
+        );
+        assert!(
+            !output.contains(".mymetadata"),
+            "Should not list .mymetadata (file_scan_exclusions)"
+        );
+        assert!(
+            !output.contains(".mysecrets"),
+            "Should not list .mysecrets (private_files)"
+        );
+
+        // Trying to list an excluded directory should fail
+        let input = ListDirectoryToolInput {
+            path: "project/.secretdir".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await;
+        assert!(
+            output
+                .unwrap_err()
+                .to_string()
+                .contains("file_scan_exclusions"),
+            "Error should mention file_scan_exclusions"
+        );
+
+        // Listing a directory should exclude private files within it
+        let input = ListDirectoryToolInput {
+            path: "project/visible_dir".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await
+            .unwrap();
+
+        // Should include normal files
+        assert!(output.contains("normal.txt"), "Should list normal.txt");
+
+        // Should NOT include private files
+        assert!(
+            !output.contains("privatekey"),
+            "Should not list .privatekey files (private_files)"
+        );
+        assert!(
+            !output.contains("mysensitive"),
+            "Should not list .mysensitive files (private_files)"
+        );
+
+        // Should NOT include subdirectories that match exclusions
+        assert!(
+            !output.contains(".hidden_subdir"),
+            "Should not list .hidden_subdir (file_scan_exclusions)"
+        );
+    }
+
+    #[gpui::test]
+    async fn test_list_directory_with_multiple_worktree_settings(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+
+        // Create first worktree with its own private files
+        fs.insert_tree(
+            path!("/worktree1"),
+            json!({
+                ".zed": {
+                    "settings.json": r#"{
+                        "file_scan_exclusions": ["**/fixture.*"],
+                        "private_files": ["**/secret.rs", "**/config.toml"]
+                    }"#
+                },
+                "src": {
+                    "main.rs": "fn main() { println!(\"Hello from worktree1\"); }",
+                    "secret.rs": "const API_KEY: &str = \"secret_key_1\";",
+                    "config.toml": "[database]\nurl = \"postgres://localhost/db1\""
+                },
+                "tests": {
+                    "test.rs": "mod tests { fn test_it() {} }",
+                    "fixture.sql": "CREATE TABLE users (id INT, name VARCHAR(255));"
+                }
+            }),
+        )
+        .await;
+
+        // Create second worktree with different private files
+        fs.insert_tree(
+            path!("/worktree2"),
+            json!({
+                ".zed": {
+                    "settings.json": r#"{
+                        "file_scan_exclusions": ["**/internal.*"],
+                        "private_files": ["**/private.js", "**/data.json"]
+                    }"#
+                },
+                "lib": {
+                    "public.js": "export function greet() { return 'Hello from worktree2'; }",
+                    "private.js": "const SECRET_TOKEN = \"private_token_2\";",
+                    "data.json": "{\"api_key\": \"json_secret_key\"}"
+                },
+                "docs": {
+                    "README.md": "# Public Documentation",
+                    "internal.md": "# Internal Secrets and Configuration"
+                }
+            }),
+        )
+        .await;
+
+        // Set global settings
+        cx.update(|cx| {
+            SettingsStore::update_global(cx, |store, cx| {
+                store.update_user_settings::<WorktreeSettings>(cx, |settings| {
+                    settings.file_scan_exclusions =
+                        Some(vec!["**/.git".to_string(), "**/node_modules".to_string()]);
+                    settings.private_files = Some(vec!["**/.env".to_string()]);
+                });
+            });
+        });
+
+        let project = Project::test(
+            fs.clone(),
+            [path!("/worktree1").as_ref(), path!("/worktree2").as_ref()],
+            cx,
+        )
+        .await;
+
+        // Wait for worktrees to be fully scanned
+        cx.executor().run_until_parked();
+
+        let tool = Arc::new(ListDirectoryTool::new(project));
+
+        // Test listing worktree1/src - should exclude secret.rs and config.toml based on local settings
+        let input = ListDirectoryToolInput {
+            path: "worktree1/src".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await
+            .unwrap();
+        assert!(output.contains("main.rs"), "Should list main.rs");
+        assert!(
+            !output.contains("secret.rs"),
+            "Should not list secret.rs (local private_files)"
+        );
+        assert!(
+            !output.contains("config.toml"),
+            "Should not list config.toml (local private_files)"
+        );
+
+        // Test listing worktree1/tests - should exclude fixture.sql based on local settings
+        let input = ListDirectoryToolInput {
+            path: "worktree1/tests".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await
+            .unwrap();
+        assert!(output.contains("test.rs"), "Should list test.rs");
+        assert!(
+            !output.contains("fixture.sql"),
+            "Should not list fixture.sql (local file_scan_exclusions)"
+        );
+
+        // Test listing worktree2/lib - should exclude private.js and data.json based on local settings
+        let input = ListDirectoryToolInput {
+            path: "worktree2/lib".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await
+            .unwrap();
+        assert!(output.contains("public.js"), "Should list public.js");
+        assert!(
+            !output.contains("private.js"),
+            "Should not list private.js (local private_files)"
+        );
+        assert!(
+            !output.contains("data.json"),
+            "Should not list data.json (local private_files)"
+        );
+
+        // Test listing worktree2/docs - should exclude internal.md based on local settings
+        let input = ListDirectoryToolInput {
+            path: "worktree2/docs".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await
+            .unwrap();
+        assert!(output.contains("README.md"), "Should list README.md");
+        assert!(
+            !output.contains("internal.md"),
+            "Should not list internal.md (local file_scan_exclusions)"
+        );
+
+        // Test trying to list an excluded directory directly
+        let input = ListDirectoryToolInput {
+            path: "worktree1/src/secret.rs".into(),
+        };
+        let output = cx
+            .update(|cx| tool.clone().run(input, ToolCallEventStream::test().0, cx))
+            .await;
+        assert!(
+            output
+                .unwrap_err()
+                .to_string()
+                .contains("Cannot list directory"),
+        );
+    }
+}
diff --git a/crates/agent2/src/tools/move_path_tool.rs b/crates/agent2/src/tools/move_path_tool.rs
new file mode 100644
index 0000000000..d9fb60651b
--- /dev/null
+++ b/crates/agent2/src/tools/move_path_tool.rs
@@ -0,0 +1,120 @@
+use crate::{AgentTool, ToolCallEventStream};
+use agent_client_protocol::ToolKind;
+use anyhow::{Context as _, Result, anyhow};
+use gpui::{App, AppContext, Entity, SharedString, Task};
+use project::Project;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use std::{path::Path, sync::Arc};
+use util::markdown::MarkdownInlineCode;
+
+/// Moves or rename a file or directory in the project, and returns confirmation that the move succeeded.
+///
+/// If the source and destination directories are the same, but the filename is different, this performs a rename. Otherwise, it performs a move.
+///
+/// This tool should be used when it's desirable to move or rename a file or directory without changing its contents at all.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct MovePathToolInput {
+    /// The source path of the file or directory to move/rename.
+    ///
+    /// <example>
+    /// If the project has the following files:
+    ///
+    /// - directory1/a/something.txt
+    /// - directory2/a/things.txt
+    /// - directory3/a/other.txt
+    ///
+    /// You can move the first file by providing a source_path of "directory1/a/something.txt"
+    /// </example>
+    pub source_path: String,
+
+    /// The destination path where the file or directory should be moved/renamed to.
+    /// If the paths are the same except for the filename, then this will be a rename.
+    ///
+    /// <example>
+    /// To move "directory1/a/something.txt" to "directory2/b/renamed.txt",
+    /// provide a destination_path of "directory2/b/renamed.txt"
+    /// </example>
+    pub destination_path: String,
+}
+
+pub struct MovePathTool {
+    project: Entity<Project>,
+}
+
+impl MovePathTool {
+    pub fn new(project: Entity<Project>) -> Self {
+        Self { project }
+    }
+}
+
+impl AgentTool for MovePathTool {
+    type Input = MovePathToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "move_path"
+    }
+
+    fn kind() -> ToolKind {
+        ToolKind::Move
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        if let Ok(input) = input {
+            let src = MarkdownInlineCode(&input.source_path);
+            let dest = MarkdownInlineCode(&input.destination_path);
+            let src_path = Path::new(&input.source_path);
+            let dest_path = Path::new(&input.destination_path);
+
+            match dest_path
+                .file_name()
+                .and_then(|os_str| os_str.to_os_string().into_string().ok())
+            {
+                Some(filename) if src_path.parent() == dest_path.parent() => {
+                    let filename = MarkdownInlineCode(&filename);
+                    format!("Rename {src} to {filename}").into()
+                }
+                _ => format!("Move {src} to {dest}").into(),
+            }
+        } else {
+            "Move path".into()
+        }
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        let rename_task = self.project.update(cx, |project, cx| {
+            match project
+                .find_project_path(&input.source_path, cx)
+                .and_then(|project_path| project.entry_for_path(&project_path, cx))
+            {
+                Some(entity) => match project.find_project_path(&input.destination_path, cx) {
+                    Some(project_path) => project.rename_entry(entity.id, project_path.path, cx),
+                    None => Task::ready(Err(anyhow!(
+                        "Destination path {} was outside the project.",
+                        input.destination_path
+                    ))),
+                },
+                None => Task::ready(Err(anyhow!(
+                    "Source path {} was not found in the project.",
+                    input.source_path
+                ))),
+            }
+        });
+
+        cx.background_spawn(async move {
+            let _ = rename_task.await.with_context(|| {
+                format!("Moving {} to {}", input.source_path, input.destination_path)
+            })?;
+            Ok(format!(
+                "Moved {} to {}",
+                input.source_path, input.destination_path
+            ))
+        })
+    }
+}
diff --git a/crates/agent2/src/tools/now_tool.rs b/crates/agent2/src/tools/now_tool.rs
new file mode 100644
index 0000000000..9467e7db68
--- /dev/null
+++ b/crates/agent2/src/tools/now_tool.rs
@@ -0,0 +1,59 @@
+use std::sync::Arc;
+
+use agent_client_protocol as acp;
+use anyhow::Result;
+use chrono::{Local, Utc};
+use gpui::{App, SharedString, Task};
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+
+use crate::{AgentTool, ToolCallEventStream};
+
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+#[serde(rename_all = "snake_case")]
+pub enum Timezone {
+    /// Use UTC for the datetime.
+    Utc,
+    /// Use local time for the datetime.
+    Local,
+}
+
+/// Returns the current datetime in RFC 3339 format.
+/// Only use this tool when the user specifically asks for it or the current task would benefit from knowing the current datetime.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct NowToolInput {
+    /// The timezone to use for the datetime.
+    timezone: Timezone,
+}
+
+pub struct NowTool;
+
+impl AgentTool for NowTool {
+    type Input = NowToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "now"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Other
+    }
+
+    fn initial_title(&self, _input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        "Get current time".into()
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        _event_stream: ToolCallEventStream,
+        _cx: &mut App,
+    ) -> Task<Result<String>> {
+        let now = match input.timezone {
+            Timezone::Utc => Utc::now().to_rfc3339(),
+            Timezone::Local => Local::now().to_rfc3339(),
+        };
+        Task::ready(Ok(format!("The current datetime is {now}.")))
+    }
+}
diff --git a/crates/agent2/src/tools/open_tool.rs b/crates/agent2/src/tools/open_tool.rs
new file mode 100644
index 0000000000..df7b04c787
--- /dev/null
+++ b/crates/agent2/src/tools/open_tool.rs
@@ -0,0 +1,166 @@
+use crate::AgentTool;
+use agent_client_protocol::ToolKind;
+use anyhow::{Context as _, Result};
+use gpui::{App, AppContext, Entity, SharedString, Task};
+use project::Project;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use std::{path::PathBuf, sync::Arc};
+use util::markdown::MarkdownEscaped;
+
+/// This tool opens a file or URL with the default application associated with it on the user's operating system:
+///
+/// - On macOS, it's equivalent to the `open` command
+/// - On Windows, it's equivalent to `start`
+/// - On Linux, it uses something like `xdg-open`, `gio open`, `gnome-open`, `kde-open`, `wslview` as appropriate
+///
+/// For example, it can open a web browser with a URL, open a PDF file with the default PDF viewer, etc.
+///
+/// You MUST ONLY use this tool when the user has explicitly requested opening something. You MUST NEVER assume that the user would like for you to use this tool.
+#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
+pub struct OpenToolInput {
+    /// The path or URL to open with the default application.
+    path_or_url: String,
+}
+
+pub struct OpenTool {
+    project: Entity<Project>,
+}
+
+impl OpenTool {
+    pub fn new(project: Entity<Project>) -> Self {
+        Self { project }
+    }
+}
+
+impl AgentTool for OpenTool {
+    type Input = OpenToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "open"
+    }
+
+    fn kind() -> ToolKind {
+        ToolKind::Execute
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        if let Ok(input) = input {
+            format!("Open `{}`", MarkdownEscaped(&input.path_or_url)).into()
+        } else {
+            "Open file or URL".into()
+        }
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        event_stream: crate::ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        // If path_or_url turns out to be a path in the project, make it absolute.
+        let abs_path = to_absolute_path(&input.path_or_url, self.project.clone(), cx);
+        let authorize = event_stream.authorize(self.initial_title(Ok(input.clone())), cx);
+        cx.background_spawn(async move {
+            authorize.await?;
+
+            match abs_path {
+                Some(path) => open::that(path),
+                None => open::that(&input.path_or_url),
+            }
+            .context("Failed to open URL or file path")?;
+
+            Ok(format!("Successfully opened {}", input.path_or_url))
+        })
+    }
+}
+
+fn to_absolute_path(
+    potential_path: &str,
+    project: Entity<Project>,
+    cx: &mut App,
+) -> Option<PathBuf> {
+    let project = project.read(cx);
+    project
+        .find_project_path(PathBuf::from(potential_path), cx)
+        .and_then(|project_path| project.absolute_path(&project_path, cx))
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use gpui::TestAppContext;
+    use project::{FakeFs, Project};
+    use settings::SettingsStore;
+    use std::path::Path;
+    use tempfile::TempDir;
+
+    #[gpui::test]
+    async fn test_to_absolute_path(cx: &mut TestAppContext) {
+        init_test(cx);
+        let temp_dir = TempDir::new().expect("Failed to create temp directory");
+        let temp_path = temp_dir.path().to_string_lossy().to_string();
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            &temp_path,
+            serde_json::json!({
+                "src": {
+                    "main.rs": "fn main() {}",
+                    "lib.rs": "pub fn lib_fn() {}"
+                },
+                "docs": {
+                    "readme.md": "# Project Documentation"
+                }
+            }),
+        )
+        .await;
+
+        // Use the temp_path as the root directory, not just its filename
+        let project = Project::test(fs.clone(), [temp_dir.path()], cx).await;
+
+        // Test cases where the function should return Some
+        cx.update(|cx| {
+            // Project-relative paths should return Some
+            // Create paths using the last segment of the temp path to simulate a project-relative path
+            let root_dir_name = Path::new(&temp_path)
+                .file_name()
+                .unwrap_or_else(|| std::ffi::OsStr::new("temp"))
+                .to_string_lossy();
+
+            assert!(
+                to_absolute_path(&format!("{root_dir_name}/src/main.rs"), project.clone(), cx)
+                    .is_some(),
+                "Failed to resolve main.rs path"
+            );
+
+            assert!(
+                to_absolute_path(
+                    &format!("{root_dir_name}/docs/readme.md",),
+                    project.clone(),
+                    cx,
+                )
+                .is_some(),
+                "Failed to resolve readme.md path"
+            );
+
+            // External URL should return None
+            let result = to_absolute_path("https://example.com", project.clone(), cx);
+            assert_eq!(result, None, "External URLs should return None");
+
+            // Path outside project
+            let result = to_absolute_path("../invalid/path", project.clone(), cx);
+            assert_eq!(result, None, "Paths outside the project should return None");
+        });
+    }
+
+    fn init_test(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            Project::init_settings(cx);
+        });
+    }
+}
diff --git a/crates/agent2/src/tools/read_file_tool.rs b/crates/agent2/src/tools/read_file_tool.rs
new file mode 100644
index 0000000000..e771c26eca
--- /dev/null
+++ b/crates/agent2/src/tools/read_file_tool.rs
@@ -0,0 +1,950 @@
+use action_log::ActionLog;
+use agent_client_protocol::{self as acp, ToolCallUpdateFields};
+use anyhow::{Context as _, Result, anyhow};
+use assistant_tool::outline;
+use gpui::{App, Entity, SharedString, Task};
+use indoc::formatdoc;
+use language::Point;
+use language_model::{LanguageModelImage, LanguageModelToolResultContent};
+use project::{AgentLocation, ImageItem, Project, WorktreeSettings, image_store};
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use settings::Settings;
+use std::{path::Path, sync::Arc};
+use util::markdown::MarkdownCodeBlock;
+
+use crate::{AgentTool, ToolCallEventStream};
+
+/// Reads the content of the given file in the project.
+///
+/// - Never attempt to read a path that hasn't been previously mentioned.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct ReadFileToolInput {
+    /// The relative path of the file to read.
+    ///
+    /// This path should never be absolute, and the first component of the path should always be a root directory in a project.
+    ///
+    /// <example>
+    /// If the project has the following root directories:
+    ///
+    /// - /a/b/directory1
+    /// - /c/d/directory2
+    ///
+    /// If you want to access `file.txt` in `directory1`, you should use the path `directory1/file.txt`.
+    /// If you want to access `file.txt` in `directory2`, you should use the path `directory2/file.txt`.
+    /// </example>
+    pub path: String,
+    /// Optional line number to start reading on (1-based index)
+    #[serde(default)]
+    pub start_line: Option<u32>,
+    /// Optional line number to end reading on (1-based index, inclusive)
+    #[serde(default)]
+    pub end_line: Option<u32>,
+}
+
+pub struct ReadFileTool {
+    project: Entity<Project>,
+    action_log: Entity<ActionLog>,
+}
+
+impl ReadFileTool {
+    pub fn new(project: Entity<Project>, action_log: Entity<ActionLog>) -> Self {
+        Self {
+            project,
+            action_log,
+        }
+    }
+}
+
+impl AgentTool for ReadFileTool {
+    type Input = ReadFileToolInput;
+    type Output = LanguageModelToolResultContent;
+
+    fn name() -> &'static str {
+        "read_file"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Read
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        input
+            .ok()
+            .as_ref()
+            .and_then(|input| Path::new(&input.path).file_name())
+            .map(|file_name| file_name.to_string_lossy().to_string().into())
+            .unwrap_or_default()
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<LanguageModelToolResultContent>> {
+        let Some(project_path) = self.project.read(cx).find_project_path(&input.path, cx) else {
+            return Task::ready(Err(anyhow!("Path {} not found in project", &input.path)));
+        };
+
+        // Error out if this path is either excluded or private in global settings
+        let global_settings = WorktreeSettings::get_global(cx);
+        if global_settings.is_path_excluded(&project_path.path) {
+            return Task::ready(Err(anyhow!(
+                "Cannot read file because its path matches the global `file_scan_exclusions` setting: {}",
+                &input.path
+            )));
+        }
+
+        if global_settings.is_path_private(&project_path.path) {
+            return Task::ready(Err(anyhow!(
+                "Cannot read file because its path matches the global `private_files` setting: {}",
+                &input.path
+            )));
+        }
+
+        // Error out if this path is either excluded or private in worktree settings
+        let worktree_settings = WorktreeSettings::get(Some((&project_path).into()), cx);
+        if worktree_settings.is_path_excluded(&project_path.path) {
+            return Task::ready(Err(anyhow!(
+                "Cannot read file because its path matches the worktree `file_scan_exclusions` setting: {}",
+                &input.path
+            )));
+        }
+
+        if worktree_settings.is_path_private(&project_path.path) {
+            return Task::ready(Err(anyhow!(
+                "Cannot read file because its path matches the worktree `private_files` setting: {}",
+                &input.path
+            )));
+        }
+
+        let file_path = input.path.clone();
+
+        if image_store::is_image_file(&self.project, &project_path, cx) {
+            return cx.spawn(async move |cx| {
+                let image_entity: Entity<ImageItem> = cx
+                    .update(|cx| {
+                        self.project.update(cx, |project, cx| {
+                            project.open_image(project_path.clone(), cx)
+                        })
+                    })?
+                    .await?;
+
+                let image =
+                    image_entity.read_with(cx, |image_item, _| Arc::clone(&image_item.image))?;
+
+                let language_model_image = cx
+                    .update(|cx| LanguageModelImage::from_image(image, cx))?
+                    .await
+                    .context("processing image")?;
+
+                Ok(language_model_image.into())
+            });
+        }
+
+        let project = self.project.clone();
+        let action_log = self.action_log.clone();
+
+        cx.spawn(async move |cx| {
+            let buffer = cx
+                .update(|cx| {
+                    project.update(cx, |project, cx| {
+                        project.open_buffer(project_path.clone(), cx)
+                    })
+                })?
+                .await?;
+            if buffer.read_with(cx, |buffer, _| {
+                buffer
+                    .file()
+                    .as_ref()
+                    .is_none_or(|file| !file.disk_state().exists())
+            })? {
+                anyhow::bail!("{file_path} not found");
+            }
+
+            let mut anchor = None;
+
+            // Check if specific line ranges are provided
+            let result = if input.start_line.is_some() || input.end_line.is_some() {
+                let result = buffer.read_with(cx, |buffer, _cx| {
+                    let text = buffer.text();
+                    // .max(1) because despite instructions to be 1-indexed, sometimes the model passes 0.
+                    let start = input.start_line.unwrap_or(1).max(1);
+                    let start_row = start - 1;
+                    if start_row <= buffer.max_point().row {
+                        let column = buffer.line_indent_for_row(start_row).raw_len();
+                        anchor = Some(buffer.anchor_before(Point::new(start_row, column)));
+                    }
+
+                    let lines = text.split('\n').skip(start_row as usize);
+                    if let Some(end) = input.end_line {
+                        let count = end.saturating_sub(start).saturating_add(1); // Ensure at least 1 line
+                        itertools::intersperse(lines.take(count as usize), "\n").collect::<String>()
+                    } else {
+                        itertools::intersperse(lines, "\n").collect::<String>()
+                    }
+                })?;
+
+                action_log.update(cx, |log, cx| {
+                    log.buffer_read(buffer.clone(), cx);
+                })?;
+
+                Ok(result.into())
+            } else {
+                // No line ranges specified, so check file size to see if it's too big.
+                let file_size = buffer.read_with(cx, |buffer, _cx| buffer.text().len())?;
+
+                if file_size <= outline::AUTO_OUTLINE_SIZE {
+                    // File is small enough, so return its contents.
+                    let result = buffer.read_with(cx, |buffer, _cx| buffer.text())?;
+
+                    action_log.update(cx, |log, cx| {
+                        log.buffer_read(buffer.clone(), cx);
+                    })?;
+
+                    Ok(result.into())
+                } else {
+                    // File is too big, so return the outline
+                    // and a suggestion to read again with line numbers.
+                    let outline =
+                        outline::file_outline(project.clone(), file_path, action_log, None, cx)
+                            .await?;
+                    Ok(formatdoc! {"
+                        This file was too big to read all at once.
+
+                        Here is an outline of its symbols:
+
+                        {outline}
+
+                        Using the line numbers in this outline, you can call this tool again
+                        while specifying the start_line and end_line fields to see the
+                        implementations of symbols in the outline.
+
+                        Alternatively, you can fall back to the `grep` tool (if available)
+                        to search the file for specific content."
+                    }
+                    .into())
+                }
+            };
+
+            project.update(cx, |project, cx| {
+                if let Some(abs_path) = project.absolute_path(&project_path, cx) {
+                    project.set_agent_location(
+                        Some(AgentLocation {
+                            buffer: buffer.downgrade(),
+                            position: anchor.unwrap_or(text::Anchor::MIN),
+                        }),
+                        cx,
+                    );
+                    event_stream.update_fields(ToolCallUpdateFields {
+                        locations: Some(vec![acp::ToolCallLocation {
+                            path: abs_path,
+                            line: input.start_line.map(|line| line.saturating_sub(1)),
+                        }]),
+                        ..Default::default()
+                    });
+                    if let Ok(LanguageModelToolResultContent::Text(text)) = &result {
+                        let markdown = MarkdownCodeBlock {
+                            tag: &input.path,
+                            text,
+                        }
+                        .to_string();
+                        event_stream.update_fields(ToolCallUpdateFields {
+                            content: Some(vec![acp::ToolCallContent::Content {
+                                content: markdown.into(),
+                            }]),
+                            ..Default::default()
+                        })
+                    }
+                }
+            })?;
+
+            result
+        })
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use gpui::{AppContext, TestAppContext, UpdateGlobal as _};
+    use language::{Language, LanguageConfig, LanguageMatcher, tree_sitter_rust};
+    use project::{FakeFs, Project};
+    use serde_json::json;
+    use settings::SettingsStore;
+    use util::path;
+
+    #[gpui::test]
+    async fn test_read_nonexistent_file(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(path!("/root"), json!({})).await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        let tool = Arc::new(ReadFileTool::new(project, action_log));
+        let (event_stream, _) = ToolCallEventStream::test();
+
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "root/nonexistent_file.txt".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.run(input, event_stream, cx)
+            })
+            .await;
+        assert_eq!(
+            result.unwrap_err().to_string(),
+            "root/nonexistent_file.txt not found"
+        );
+    }
+
+    #[gpui::test]
+    async fn test_read_small_file(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/root"),
+            json!({
+                "small_file.txt": "This is a small file content"
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        let tool = Arc::new(ReadFileTool::new(project, action_log));
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "root/small_file.txt".into(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert_eq!(result.unwrap(), "This is a small file content".into());
+    }
+
+    #[gpui::test]
+    async fn test_read_large_file(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/root"),
+            json!({
+                "large_file.rs": (0..1000).map(|i| format!("struct Test{} {{\n    a: u32,\n    b: usize,\n}}", i)).collect::<Vec<_>>().join("\n")
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+        let language_registry = project.read_with(cx, |project, _| project.languages().clone());
+        language_registry.add(Arc::new(rust_lang()));
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        let tool = Arc::new(ReadFileTool::new(project, action_log));
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "root/large_file.rs".into(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await
+            .unwrap();
+        let content = result.to_str().unwrap();
+
+        assert_eq!(
+            content.lines().skip(4).take(6).collect::<Vec<_>>(),
+            vec![
+                "struct Test0 [L1-4]",
+                " a [L2]",
+                " b [L3]",
+                "struct Test1 [L5-8]",
+                " a [L6]",
+                " b [L7]",
+            ]
+        );
+
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "root/large_file.rs".into(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await
+            .unwrap();
+        let content = result.to_str().unwrap();
+        let expected_content = (0..1000)
+            .flat_map(|i| {
+                vec![
+                    format!("struct Test{} [L{}-{}]", i, i * 4 + 1, i * 4 + 4),
+                    format!(" a [L{}]", i * 4 + 2),
+                    format!(" b [L{}]", i * 4 + 3),
+                ]
+            })
+            .collect::<Vec<_>>();
+        pretty_assertions::assert_eq!(
+            content
+                .lines()
+                .skip(4)
+                .take(expected_content.len())
+                .collect::<Vec<_>>(),
+            expected_content
+        );
+    }
+
+    #[gpui::test]
+    async fn test_read_file_with_line_range(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/root"),
+            json!({
+                "multiline.txt": "Line 1\nLine 2\nLine 3\nLine 4\nLine 5"
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        let tool = Arc::new(ReadFileTool::new(project, action_log));
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "root/multiline.txt".to_string(),
+                    start_line: Some(2),
+                    end_line: Some(4),
+                };
+                tool.run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert_eq!(result.unwrap(), "Line 2\nLine 3\nLine 4".into());
+    }
+
+    #[gpui::test]
+    async fn test_read_file_line_range_edge_cases(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/root"),
+            json!({
+                "multiline.txt": "Line 1\nLine 2\nLine 3\nLine 4\nLine 5"
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/root").as_ref()], cx).await;
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        let tool = Arc::new(ReadFileTool::new(project, action_log));
+
+        // start_line of 0 should be treated as 1
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "root/multiline.txt".to_string(),
+                    start_line: Some(0),
+                    end_line: Some(2),
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert_eq!(result.unwrap(), "Line 1\nLine 2".into());
+
+        // end_line of 0 should result in at least 1 line
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "root/multiline.txt".to_string(),
+                    start_line: Some(1),
+                    end_line: Some(0),
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert_eq!(result.unwrap(), "Line 1".into());
+
+        // when start_line > end_line, should still return at least 1 line
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "root/multiline.txt".to_string(),
+                    start_line: Some(3),
+                    end_line: Some(2),
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert_eq!(result.unwrap(), "Line 3".into());
+    }
+
+    fn init_test(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            Project::init_settings(cx);
+        });
+    }
+
+    fn rust_lang() -> Language {
+        Language::new(
+            LanguageConfig {
+                name: "Rust".into(),
+                matcher: LanguageMatcher {
+                    path_suffixes: vec!["rs".to_string()],
+                    ..Default::default()
+                },
+                ..Default::default()
+            },
+            Some(tree_sitter_rust::LANGUAGE.into()),
+        )
+        .with_outline_query(
+            r#"
+            (line_comment) @annotation
+
+            (struct_item
+                "struct" @context
+                name: (_) @name) @item
+            (enum_item
+                "enum" @context
+                name: (_) @name) @item
+            (enum_variant
+                name: (_) @name) @item
+            (field_declaration
+                name: (_) @name) @item
+            (impl_item
+                "impl" @context
+                trait: (_)? @name
+                "for"? @context
+                type: (_) @name
+                body: (_ "{" (_)* "}")) @item
+            (function_item
+                "fn" @context
+                name: (_) @name) @item
+            (mod_item
+                "mod" @context
+                name: (_) @name) @item
+            "#,
+        )
+        .unwrap()
+    }
+
+    #[gpui::test]
+    async fn test_read_file_security(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+
+        fs.insert_tree(
+            path!("/"),
+            json!({
+                "project_root": {
+                    "allowed_file.txt": "This file is in the project",
+                    ".mysecrets": "SECRET_KEY=abc123",
+                    ".secretdir": {
+                        "config": "special configuration"
+                    },
+                    ".mymetadata": "custom metadata",
+                    "subdir": {
+                        "normal_file.txt": "Normal file content",
+                        "special.privatekey": "private key content",
+                        "data.mysensitive": "sensitive data"
+                    }
+                },
+                "outside_project": {
+                    "sensitive_file.txt": "This file is outside the project"
+                }
+            }),
+        )
+        .await;
+
+        cx.update(|cx| {
+            use gpui::UpdateGlobal;
+            use project::WorktreeSettings;
+            use settings::SettingsStore;
+            SettingsStore::update_global(cx, |store, cx| {
+                store.update_user_settings::<WorktreeSettings>(cx, |settings| {
+                    settings.file_scan_exclusions = Some(vec![
+                        "**/.secretdir".to_string(),
+                        "**/.mymetadata".to_string(),
+                    ]);
+                    settings.private_files = Some(vec![
+                        "**/.mysecrets".to_string(),
+                        "**/*.privatekey".to_string(),
+                        "**/*.mysensitive".to_string(),
+                    ]);
+                });
+            });
+        });
+
+        let project = Project::test(fs.clone(), [path!("/project_root").as_ref()], cx).await;
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        let tool = Arc::new(ReadFileTool::new(project, action_log));
+
+        // Reading a file outside the project worktree should fail
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "/outside_project/sensitive_file.txt".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert!(
+            result.is_err(),
+            "read_file_tool should error when attempting to read an absolute path outside a worktree"
+        );
+
+        // Reading a file within the project should succeed
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "project_root/allowed_file.txt".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert!(
+            result.is_ok(),
+            "read_file_tool should be able to read files inside worktrees"
+        );
+
+        // Reading files that match file_scan_exclusions should fail
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "project_root/.secretdir/config".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert!(
+            result.is_err(),
+            "read_file_tool should error when attempting to read files in .secretdir (file_scan_exclusions)"
+        );
+
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "project_root/.mymetadata".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert!(
+            result.is_err(),
+            "read_file_tool should error when attempting to read .mymetadata files (file_scan_exclusions)"
+        );
+
+        // Reading private files should fail
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "project_root/.mysecrets".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert!(
+            result.is_err(),
+            "read_file_tool should error when attempting to read .mysecrets (private_files)"
+        );
+
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "project_root/subdir/special.privatekey".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert!(
+            result.is_err(),
+            "read_file_tool should error when attempting to read .privatekey files (private_files)"
+        );
+
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "project_root/subdir/data.mysensitive".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert!(
+            result.is_err(),
+            "read_file_tool should error when attempting to read .mysensitive files (private_files)"
+        );
+
+        // Reading a normal file should still work, even with private_files configured
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "project_root/subdir/normal_file.txt".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert!(result.is_ok(), "Should be able to read normal files");
+        assert_eq!(result.unwrap(), "Normal file content".into());
+
+        // Path traversal attempts with .. should fail
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "project_root/../outside_project/sensitive_file.txt".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+        assert!(
+            result.is_err(),
+            "read_file_tool should error when attempting to read a relative path that resolves to outside a worktree"
+        );
+    }
+
+    #[gpui::test]
+    async fn test_read_file_with_multiple_worktree_settings(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+
+        // Create first worktree with its own private_files setting
+        fs.insert_tree(
+            path!("/worktree1"),
+            json!({
+                "src": {
+                    "main.rs": "fn main() { println!(\"Hello from worktree1\"); }",
+                    "secret.rs": "const API_KEY: &str = \"secret_key_1\";",
+                    "config.toml": "[database]\nurl = \"postgres://localhost/db1\""
+                },
+                "tests": {
+                    "test.rs": "mod tests { fn test_it() {} }",
+                    "fixture.sql": "CREATE TABLE users (id INT, name VARCHAR(255));"
+                },
+                ".zed": {
+                    "settings.json": r#"{
+                        "file_scan_exclusions": ["**/fixture.*"],
+                        "private_files": ["**/secret.rs", "**/config.toml"]
+                    }"#
+                }
+            }),
+        )
+        .await;
+
+        // Create second worktree with different private_files setting
+        fs.insert_tree(
+            path!("/worktree2"),
+            json!({
+                "lib": {
+                    "public.js": "export function greet() { return 'Hello from worktree2'; }",
+                    "private.js": "const SECRET_TOKEN = \"private_token_2\";",
+                    "data.json": "{\"api_key\": \"json_secret_key\"}"
+                },
+                "docs": {
+                    "README.md": "# Public Documentation",
+                    "internal.md": "# Internal Secrets and Configuration"
+                },
+                ".zed": {
+                    "settings.json": r#"{
+                        "file_scan_exclusions": ["**/internal.*"],
+                        "private_files": ["**/private.js", "**/data.json"]
+                    }"#
+                }
+            }),
+        )
+        .await;
+
+        // Set global settings
+        cx.update(|cx| {
+            SettingsStore::update_global(cx, |store, cx| {
+                store.update_user_settings::<WorktreeSettings>(cx, |settings| {
+                    settings.file_scan_exclusions =
+                        Some(vec!["**/.git".to_string(), "**/node_modules".to_string()]);
+                    settings.private_files = Some(vec!["**/.env".to_string()]);
+                });
+            });
+        });
+
+        let project = Project::test(
+            fs.clone(),
+            [path!("/worktree1").as_ref(), path!("/worktree2").as_ref()],
+            cx,
+        )
+        .await;
+
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        let tool = Arc::new(ReadFileTool::new(project.clone(), action_log.clone()));
+
+        // Test reading allowed files in worktree1
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "worktree1/src/main.rs".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await
+            .unwrap();
+
+        assert_eq!(
+            result,
+            "fn main() { println!(\"Hello from worktree1\"); }".into()
+        );
+
+        // Test reading private file in worktree1 should fail
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "worktree1/src/secret.rs".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+
+        assert!(result.is_err());
+        assert!(
+            result
+                .unwrap_err()
+                .to_string()
+                .contains("worktree `private_files` setting"),
+            "Error should mention worktree private_files setting"
+        );
+
+        // Test reading excluded file in worktree1 should fail
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "worktree1/tests/fixture.sql".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+
+        assert!(result.is_err());
+        assert!(
+            result
+                .unwrap_err()
+                .to_string()
+                .contains("worktree `file_scan_exclusions` setting"),
+            "Error should mention worktree file_scan_exclusions setting"
+        );
+
+        // Test reading allowed files in worktree2
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "worktree2/lib/public.js".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await
+            .unwrap();
+
+        assert_eq!(
+            result,
+            "export function greet() { return 'Hello from worktree2'; }".into()
+        );
+
+        // Test reading private file in worktree2 should fail
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "worktree2/lib/private.js".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+
+        assert!(result.is_err());
+        assert!(
+            result
+                .unwrap_err()
+                .to_string()
+                .contains("worktree `private_files` setting"),
+            "Error should mention worktree private_files setting"
+        );
+
+        // Test reading excluded file in worktree2 should fail
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "worktree2/docs/internal.md".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+
+        assert!(result.is_err());
+        assert!(
+            result
+                .unwrap_err()
+                .to_string()
+                .contains("worktree `file_scan_exclusions` setting"),
+            "Error should mention worktree file_scan_exclusions setting"
+        );
+
+        // Test that files allowed in one worktree but not in another are handled correctly
+        // (e.g., config.toml is private in worktree1 but doesn't exist in worktree2)
+        let result = cx
+            .update(|cx| {
+                let input = ReadFileToolInput {
+                    path: "worktree1/src/config.toml".to_string(),
+                    start_line: None,
+                    end_line: None,
+                };
+                tool.clone().run(input, ToolCallEventStream::test().0, cx)
+            })
+            .await;
+
+        assert!(result.is_err());
+        assert!(
+            result
+                .unwrap_err()
+                .to_string()
+                .contains("worktree `private_files` setting"),
+            "Config.toml should be blocked by worktree1's private_files setting"
+        );
+    }
+}
diff --git a/crates/agent2/src/tools/terminal_tool.rs b/crates/agent2/src/tools/terminal_tool.rs
new file mode 100644
index 0000000000..f41b909d0b
--- /dev/null
+++ b/crates/agent2/src/tools/terminal_tool.rs
@@ -0,0 +1,468 @@
+use agent_client_protocol as acp;
+use anyhow::Result;
+use futures::{FutureExt as _, future::Shared};
+use gpui::{App, AppContext, Entity, SharedString, Task};
+use project::{Project, terminals::TerminalKind};
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use std::{
+    path::{Path, PathBuf},
+    sync::Arc,
+};
+use util::{ResultExt, get_system_shell, markdown::MarkdownInlineCode};
+
+use crate::{AgentTool, ToolCallEventStream};
+
+const COMMAND_OUTPUT_LIMIT: usize = 16 * 1024;
+
+/// Executes a shell one-liner and returns the combined output.
+///
+/// This tool spawns a process using the user's shell, reads from stdout and stderr (preserving the order of writes), and returns a string with the combined output result.
+///
+/// The output results will be shown to the user already, only list it again if necessary, avoid being redundant.
+///
+/// Make sure you use the `cd` parameter to navigate to one of the root directories of the project. NEVER do it as part of the `command` itself, otherwise it will error.
+///
+/// Do not use this tool for commands that run indefinitely, such as servers (like `npm run start`, `npm run dev`, `python -m http.server`, etc) or file watchers that don't terminate on their own.
+///
+/// Remember that each invocation of this tool will spawn a new shell process, so you can't rely on any state from previous invocations.
+#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
+pub struct TerminalToolInput {
+    /// The one-liner command to execute.
+    command: String,
+    /// Working directory for the command. This must be one of the root directories of the project.
+    cd: String,
+}
+
+pub struct TerminalTool {
+    project: Entity<Project>,
+    determine_shell: Shared<Task<String>>,
+}
+
+impl TerminalTool {
+    pub fn new(project: Entity<Project>, cx: &mut App) -> Self {
+        let determine_shell = cx.background_spawn(async move {
+            if cfg!(windows) {
+                return get_system_shell();
+            }
+
+            if which::which("bash").is_ok() {
+                "bash".into()
+            } else {
+                get_system_shell()
+            }
+        });
+        Self {
+            project,
+            determine_shell: determine_shell.shared(),
+        }
+    }
+}
+
+impl AgentTool for TerminalTool {
+    type Input = TerminalToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "terminal"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Execute
+    }
+
+    fn initial_title(&self, input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        if let Ok(input) = input {
+            let mut lines = input.command.lines();
+            let first_line = lines.next().unwrap_or_default();
+            let remaining_line_count = lines.count();
+            match remaining_line_count {
+                0 => MarkdownInlineCode(first_line).to_string().into(),
+                1 => MarkdownInlineCode(&format!(
+                    "{} - {} more line",
+                    first_line, remaining_line_count
+                ))
+                .to_string()
+                .into(),
+                n => MarkdownInlineCode(&format!("{} - {} more lines", first_line, n))
+                    .to_string()
+                    .into(),
+            }
+        } else {
+            "Run terminal command".into()
+        }
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        let language_registry = self.project.read(cx).languages().clone();
+        let working_dir = match working_dir(&input, &self.project, cx) {
+            Ok(dir) => dir,
+            Err(err) => return Task::ready(Err(err)),
+        };
+        let program = self.determine_shell.clone();
+        let command = if cfg!(windows) {
+            format!("$null | & {{{}}}", input.command.replace("\"", "'"))
+        } else if let Some(cwd) = working_dir
+            .as_ref()
+            .and_then(|cwd| cwd.as_os_str().to_str())
+        {
+            // Make sure once we're *inside* the shell, we cd into `cwd`
+            format!("(cd {cwd}; {}) </dev/null", input.command)
+        } else {
+            format!("({}) </dev/null", input.command)
+        };
+        let args = vec!["-c".into(), command];
+
+        let env = match &working_dir {
+            Some(dir) => self.project.update(cx, |project, cx| {
+                project.directory_environment(dir.as_path().into(), cx)
+            }),
+            None => Task::ready(None).shared(),
+        };
+
+        let env = cx.spawn(async move |_| {
+            let mut env = env.await.unwrap_or_default();
+            if cfg!(unix) {
+                env.insert("PAGER".into(), "cat".into());
+            }
+            env
+        });
+
+        let authorize = event_stream.authorize(self.initial_title(Ok(input.clone())), cx);
+
+        cx.spawn({
+            async move |cx| {
+                authorize.await?;
+
+                let program = program.await;
+                let env = env.await;
+                let terminal = self
+                    .project
+                    .update(cx, |project, cx| {
+                        project.create_terminal(
+                            TerminalKind::Task(task::SpawnInTerminal {
+                                command: Some(program),
+                                args,
+                                cwd: working_dir.clone(),
+                                env,
+                                ..Default::default()
+                            }),
+                            cx,
+                        )
+                    })?
+                    .await?;
+                let acp_terminal = cx.new(|cx| {
+                    acp_thread::Terminal::new(
+                        input.command.clone(),
+                        working_dir.clone(),
+                        terminal.clone(),
+                        language_registry,
+                        cx,
+                    )
+                })?;
+                event_stream.update_terminal(acp_terminal.clone());
+
+                let exit_status = terminal
+                    .update(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
+                    .await;
+                let (content, content_line_count) = terminal.read_with(cx, |terminal, _| {
+                    (terminal.get_content(), terminal.total_lines())
+                })?;
+
+                let (processed_content, finished_with_empty_output) = process_content(
+                    &content,
+                    &input.command,
+                    exit_status.map(portable_pty::ExitStatus::from),
+                );
+
+                acp_terminal
+                    .update(cx, |terminal, cx| {
+                        terminal.finish(
+                            exit_status,
+                            content.len(),
+                            processed_content.len(),
+                            content_line_count,
+                            finished_with_empty_output,
+                            cx,
+                        );
+                    })
+                    .log_err();
+
+                Ok(processed_content)
+            }
+        })
+    }
+}
+
+fn process_content(
+    content: &str,
+    command: &str,
+    exit_status: Option<portable_pty::ExitStatus>,
+) -> (String, bool) {
+    let should_truncate = content.len() > COMMAND_OUTPUT_LIMIT;
+
+    let content = if should_truncate {
+        let mut end_ix = COMMAND_OUTPUT_LIMIT.min(content.len());
+        while !content.is_char_boundary(end_ix) {
+            end_ix -= 1;
+        }
+        // Don't truncate mid-line, clear the remainder of the last line
+        end_ix = content[..end_ix].rfind('\n').unwrap_or(end_ix);
+        &content[..end_ix]
+    } else {
+        content
+    };
+    let content = content.trim();
+    let is_empty = content.is_empty();
+    let content = format!("```\n{content}\n```");
+    let content = if should_truncate {
+        format!(
+            "Command output too long. The first {} bytes:\n\n{content}",
+            content.len(),
+        )
+    } else {
+        content
+    };
+
+    let content = match exit_status {
+        Some(exit_status) if exit_status.success() => {
+            if is_empty {
+                "Command executed successfully.".to_string()
+            } else {
+                content
+            }
+        }
+        Some(exit_status) => {
+            if is_empty {
+                format!(
+                    "Command \"{command}\" failed with exit code {}.",
+                    exit_status.exit_code()
+                )
+            } else {
+                format!(
+                    "Command \"{command}\" failed with exit code {}.\n\n{content}",
+                    exit_status.exit_code()
+                )
+            }
+        }
+        None => {
+            format!(
+                "Command failed or was interrupted.\nPartial output captured:\n\n{}",
+                content,
+            )
+        }
+    };
+    (content, is_empty)
+}
+
+fn working_dir(
+    input: &TerminalToolInput,
+    project: &Entity<Project>,
+    cx: &mut App,
+) -> Result<Option<PathBuf>> {
+    let project = project.read(cx);
+    let cd = &input.cd;
+
+    if cd == "." || cd.is_empty() {
+        // Accept "." or "" as meaning "the one worktree" if we only have one worktree.
+        let mut worktrees = project.worktrees(cx);
+
+        match worktrees.next() {
+            Some(worktree) => {
+                anyhow::ensure!(
+                    worktrees.next().is_none(),
+                    "'.' is ambiguous in multi-root workspaces. Please specify a root directory explicitly.",
+                );
+                Ok(Some(worktree.read(cx).abs_path().to_path_buf()))
+            }
+            None => Ok(None),
+        }
+    } else {
+        let input_path = Path::new(cd);
+
+        if input_path.is_absolute() {
+            // Absolute paths are allowed, but only if they're in one of the project's worktrees.
+            if project
+                .worktrees(cx)
+                .any(|worktree| input_path.starts_with(&worktree.read(cx).abs_path()))
+            {
+                return Ok(Some(input_path.into()));
+            }
+        } else if let Some(worktree) = project.worktree_for_root_name(cd, cx) {
+            return Ok(Some(worktree.read(cx).abs_path().to_path_buf()));
+        }
+
+        anyhow::bail!("`cd` directory {cd:?} was not in any of the project's worktrees.");
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use agent_settings::AgentSettings;
+    use editor::EditorSettings;
+    use fs::RealFs;
+    use gpui::{BackgroundExecutor, TestAppContext};
+    use pretty_assertions::assert_eq;
+    use serde_json::json;
+    use settings::{Settings, SettingsStore};
+    use terminal::terminal_settings::TerminalSettings;
+    use theme::ThemeSettings;
+    use util::test::TempTree;
+
+    use crate::ThreadEvent;
+
+    use super::*;
+
+    fn init_test(executor: &BackgroundExecutor, cx: &mut TestAppContext) {
+        zlog::init_test();
+
+        executor.allow_parking();
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            Project::init_settings(cx);
+            ThemeSettings::register(cx);
+            TerminalSettings::register(cx);
+            EditorSettings::register(cx);
+            AgentSettings::register(cx);
+        });
+    }
+
+    #[gpui::test]
+    async fn test_interactive_command(executor: BackgroundExecutor, cx: &mut TestAppContext) {
+        if cfg!(windows) {
+            return;
+        }
+
+        init_test(&executor, cx);
+
+        let fs = Arc::new(RealFs::new(None, executor));
+        let tree = TempTree::new(json!({
+            "project": {},
+        }));
+        let project: Entity<Project> =
+            Project::test(fs, [tree.path().join("project").as_path()], cx).await;
+
+        let input = TerminalToolInput {
+            command: "cat".to_owned(),
+            cd: tree
+                .path()
+                .join("project")
+                .as_path()
+                .to_string_lossy()
+                .to_string(),
+        };
+        let (event_stream_tx, mut event_stream_rx) = ToolCallEventStream::test();
+        let result = cx
+            .update(|cx| Arc::new(TerminalTool::new(project, cx)).run(input, event_stream_tx, cx));
+
+        let auth = event_stream_rx.expect_authorization().await;
+        auth.response.send(auth.options[0].id.clone()).unwrap();
+        event_stream_rx.expect_terminal().await;
+        assert_eq!(result.await.unwrap(), "Command executed successfully.");
+    }
+
+    #[gpui::test]
+    async fn test_working_directory(executor: BackgroundExecutor, cx: &mut TestAppContext) {
+        if cfg!(windows) {
+            return;
+        }
+
+        init_test(&executor, cx);
+
+        let fs = Arc::new(RealFs::new(None, executor));
+        let tree = TempTree::new(json!({
+            "project": {},
+            "other-project": {},
+        }));
+        let project: Entity<Project> =
+            Project::test(fs, [tree.path().join("project").as_path()], cx).await;
+
+        let check = |input, expected, cx: &mut TestAppContext| {
+            let (stream_tx, mut stream_rx) = ToolCallEventStream::test();
+            let result = cx.update(|cx| {
+                Arc::new(TerminalTool::new(project.clone(), cx)).run(input, stream_tx, cx)
+            });
+            cx.run_until_parked();
+            let event = stream_rx.try_next();
+            if let Ok(Some(Ok(ThreadEvent::ToolCallAuthorization(auth)))) = event {
+                auth.response.send(auth.options[0].id.clone()).unwrap();
+            }
+
+            cx.spawn(async move |_| {
+                let output = result.await;
+                assert_eq!(output.ok(), expected);
+            })
+        };
+
+        check(
+            TerminalToolInput {
+                command: "pwd".into(),
+                cd: ".".into(),
+            },
+            Some(format!(
+                "```\n{}\n```",
+                tree.path().join("project").display()
+            )),
+            cx,
+        )
+        .await;
+
+        check(
+            TerminalToolInput {
+                command: "pwd".into(),
+                cd: "other-project".into(),
+            },
+            None, // other-project is a dir, but *not* a worktree (yet)
+            cx,
+        )
+        .await;
+
+        // Absolute path above the worktree root
+        check(
+            TerminalToolInput {
+                command: "pwd".into(),
+                cd: tree.path().to_string_lossy().into(),
+            },
+            None,
+            cx,
+        )
+        .await;
+
+        project
+            .update(cx, |project, cx| {
+                project.create_worktree(tree.path().join("other-project"), true, cx)
+            })
+            .await
+            .unwrap();
+
+        check(
+            TerminalToolInput {
+                command: "pwd".into(),
+                cd: "other-project".into(),
+            },
+            Some(format!(
+                "```\n{}\n```",
+                tree.path().join("other-project").display()
+            )),
+            cx,
+        )
+        .await;
+
+        check(
+            TerminalToolInput {
+                command: "pwd".into(),
+                cd: ".".into(),
+            },
+            None,
+            cx,
+        )
+        .await;
+    }
+}
diff --git a/crates/agent2/src/tools/thinking_tool.rs b/crates/agent2/src/tools/thinking_tool.rs
new file mode 100644
index 0000000000..61fb9eb0d6
--- /dev/null
+++ b/crates/agent2/src/tools/thinking_tool.rs
@@ -0,0 +1,48 @@
+use agent_client_protocol as acp;
+use anyhow::Result;
+use gpui::{App, SharedString, Task};
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use std::sync::Arc;
+
+use crate::{AgentTool, ToolCallEventStream};
+
+/// A tool for thinking through problems, brainstorming ideas, or planning without executing any actions.
+/// Use this tool when you need to work through complex problems, develop strategies, or outline approaches before taking action.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct ThinkingToolInput {
+    /// Content to think about. This should be a description of what to think about or a problem to solve.
+    content: String,
+}
+
+pub struct ThinkingTool;
+
+impl AgentTool for ThinkingTool {
+    type Input = ThinkingToolInput;
+    type Output = String;
+
+    fn name() -> &'static str {
+        "thinking"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Think
+    }
+
+    fn initial_title(&self, _input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        "Thinking".into()
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        event_stream: ToolCallEventStream,
+        _cx: &mut App,
+    ) -> Task<Result<String>> {
+        event_stream.update_fields(acp::ToolCallUpdateFields {
+            content: Some(vec![input.content.into()]),
+            ..Default::default()
+        });
+        Task::ready(Ok("Finished thinking.".to_string()))
+    }
+}
diff --git a/crates/agent2/src/tools/web_search_tool.rs b/crates/agent2/src/tools/web_search_tool.rs
new file mode 100644
index 0000000000..d7a34bec29
--- /dev/null
+++ b/crates/agent2/src/tools/web_search_tool.rs
@@ -0,0 +1,127 @@
+use std::sync::Arc;
+
+use crate::{AgentTool, ToolCallEventStream};
+use agent_client_protocol as acp;
+use anyhow::{Result, anyhow};
+use cloud_llm_client::WebSearchResponse;
+use gpui::{App, AppContext, Task};
+use language_model::{
+    LanguageModelProviderId, LanguageModelToolResultContent, ZED_CLOUD_PROVIDER_ID,
+};
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use ui::prelude::*;
+use web_search::WebSearchRegistry;
+
+/// Search the web for information using your query.
+/// Use this when you need real-time information, facts, or data that might not be in your training.
+/// Results will include snippets and links from relevant web pages.
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct WebSearchToolInput {
+    /// The search term or question to query on the web.
+    query: String,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(transparent)]
+pub struct WebSearchToolOutput(WebSearchResponse);
+
+impl From<WebSearchToolOutput> for LanguageModelToolResultContent {
+    fn from(value: WebSearchToolOutput) -> Self {
+        serde_json::to_string(&value.0)
+            .expect("Failed to serialize WebSearchResponse")
+            .into()
+    }
+}
+
+pub struct WebSearchTool;
+
+impl AgentTool for WebSearchTool {
+    type Input = WebSearchToolInput;
+    type Output = WebSearchToolOutput;
+
+    fn name() -> &'static str {
+        "web_search"
+    }
+
+    fn kind() -> acp::ToolKind {
+        acp::ToolKind::Fetch
+    }
+
+    fn initial_title(&self, _input: Result<Self::Input, serde_json::Value>) -> SharedString {
+        "Searching the Web".into()
+    }
+
+    /// We currently only support Zed Cloud as a provider.
+    fn supported_provider(&self, provider: &LanguageModelProviderId) -> bool {
+        provider == &ZED_CLOUD_PROVIDER_ID
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: Self::Input,
+        event_stream: ToolCallEventStream,
+        cx: &mut App,
+    ) -> Task<Result<Self::Output>> {
+        let Some(provider) = WebSearchRegistry::read_global(cx).active_provider() else {
+            return Task::ready(Err(anyhow!("Web search is not available.")));
+        };
+
+        let search_task = provider.search(input.query, cx);
+        cx.background_spawn(async move {
+            let response = match search_task.await {
+                Ok(response) => response,
+                Err(err) => {
+                    event_stream.update_fields(acp::ToolCallUpdateFields {
+                        title: Some("Web Search Failed".to_string()),
+                        ..Default::default()
+                    });
+                    return Err(err);
+                }
+            };
+
+            emit_update(&response, &event_stream);
+            Ok(WebSearchToolOutput(response))
+        })
+    }
+
+    fn replay(
+        &self,
+        _input: Self::Input,
+        output: Self::Output,
+        event_stream: ToolCallEventStream,
+        _cx: &mut App,
+    ) -> Result<()> {
+        emit_update(&output.0, &event_stream);
+        Ok(())
+    }
+}
+
+fn emit_update(response: &WebSearchResponse, event_stream: &ToolCallEventStream) {
+    let result_text = if response.results.len() == 1 {
+        "1 result".to_string()
+    } else {
+        format!("{} results", response.results.len())
+    };
+    event_stream.update_fields(acp::ToolCallUpdateFields {
+        title: Some(format!("Searched the web: {result_text}")),
+        content: Some(
+            response
+                .results
+                .iter()
+                .map(|result| acp::ToolCallContent::Content {
+                    content: acp::ContentBlock::ResourceLink(acp::ResourceLink {
+                        name: result.title.clone(),
+                        uri: result.url.clone(),
+                        title: Some(result.title.clone()),
+                        description: Some(result.text.clone()),
+                        mime_type: None,
+                        annotations: None,
+                        size: None,
+                    }),
+                })
+                .collect(),
+        ),
+        ..Default::default()
+    });
+}
diff --git a/crates/agent_servers/Cargo.toml b/crates/agent_servers/Cargo.toml
index dcffb05bc0..9f90f3a78a 100644
--- a/crates/agent_servers/Cargo.toml
+++ b/crates/agent_servers/Cargo.toml
@@ -6,7 +6,7 @@ publish.workspace = true
 license = "GPL-3.0-or-later"
 
 [features]
-test-support = ["acp_thread/test-support", "gpui/test-support", "project/test-support"]
+test-support = ["acp_thread/test-support", "gpui/test-support", "project/test-support", "dep:env_logger", "fs", "client/test-support", "dep:gpui_tokio", "reqwest_client/test-support"]
 e2e = []
 
 [lints]
@@ -17,31 +17,43 @@ path = "src/agent_servers.rs"
 doctest = false
 
 [dependencies]
+acp_tools.workspace = true
 acp_thread.workspace = true
+action_log.workspace = true
 agent-client-protocol.workspace = true
-agentic-coding-protocol.workspace = true
+agent_settings.workspace = true
 anyhow.workspace = true
+client = { workspace = true, optional = true }
 collections.workspace = true
 context_server.workspace = true
+env_logger = { workspace = true, optional = true }
+fs = { workspace = true, optional = true }
 futures.workspace = true
 gpui.workspace = true
+gpui_tokio = { workspace = true, optional = true }
+indoc.workspace = true
 itertools.workspace = true
+language.workspace = true
+language_model.workspace = true
+language_models.workspace = true
 log.workspace = true
 paths.workspace = true
 project.workspace = true
 rand.workspace = true
+reqwest_client = { workspace = true, optional = true }
 schemars.workspace = true
+semver.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 settings.workspace = true
 smol.workspace = true
 strum.workspace = true
 tempfile.workspace = true
+thiserror.workspace = true
 ui.workspace = true
 util.workspace = true
 uuid.workspace = true
 watch.workspace = true
-indoc.workspace = true
 which.workspace = true
 workspace-hack.workspace = true
 
@@ -50,8 +62,12 @@ libc.workspace = true
 nix.workspace = true
 
 [dev-dependencies]
+client = { workspace = true, features = ["test-support"] }
 env_logger.workspace = true
+fs.workspace = true
 language.workspace = true
 indoc.workspace = true
 acp_thread = { workspace = true, features = ["test-support"] }
 gpui = { workspace = true, features = ["test-support"] }
+gpui_tokio.workspace = true
+reqwest_client = { workspace = true, features = ["test-support"] }
diff --git a/crates/agent_servers/src/acp.rs b/crates/agent_servers/src/acp.rs
new file mode 100644
index 0000000000..b4e897374a
--- /dev/null
+++ b/crates/agent_servers/src/acp.rs
@@ -0,0 +1,414 @@
+use crate::AgentServerCommand;
+use acp_thread::AgentConnection;
+use acp_tools::AcpConnectionRegistry;
+use action_log::ActionLog;
+use agent_client_protocol::{self as acp, Agent as _, ErrorCode};
+use anyhow::anyhow;
+use collections::HashMap;
+use futures::AsyncBufReadExt as _;
+use futures::channel::oneshot;
+use futures::io::BufReader;
+use project::Project;
+use serde::Deserialize;
+use std::{any::Any, cell::RefCell};
+use std::{path::Path, rc::Rc};
+use thiserror::Error;
+
+use anyhow::{Context as _, Result};
+use gpui::{App, AppContext as _, AsyncApp, Entity, SharedString, Task, WeakEntity};
+
+use acp_thread::{AcpThread, AuthRequired, LoadError};
+
+#[derive(Debug, Error)]
+#[error("Unsupported version")]
+pub struct UnsupportedVersion;
+
+pub struct AcpConnection {
+    server_name: SharedString,
+    connection: Rc<acp::ClientSideConnection>,
+    sessions: Rc<RefCell<HashMap<acp::SessionId, AcpSession>>>,
+    auth_methods: Vec<acp::AuthMethod>,
+    prompt_capabilities: acp::PromptCapabilities,
+    _io_task: Task<Result<()>>,
+}
+
+pub struct AcpSession {
+    thread: WeakEntity<AcpThread>,
+    suppress_abort_err: bool,
+}
+
+pub async fn connect(
+    server_name: SharedString,
+    command: AgentServerCommand,
+    root_dir: &Path,
+    cx: &mut AsyncApp,
+) -> Result<Rc<dyn AgentConnection>> {
+    let conn = AcpConnection::stdio(server_name, command.clone(), root_dir, cx).await?;
+    Ok(Rc::new(conn) as _)
+}
+
+const MINIMUM_SUPPORTED_VERSION: acp::ProtocolVersion = acp::V1;
+
+impl AcpConnection {
+    pub async fn stdio(
+        server_name: SharedString,
+        command: AgentServerCommand,
+        root_dir: &Path,
+        cx: &mut AsyncApp,
+    ) -> Result<Self> {
+        let mut child = util::command::new_smol_command(&command.path)
+            .args(command.args.iter().map(|arg| arg.as_str()))
+            .envs(command.env.iter().flatten())
+            .current_dir(root_dir)
+            .stdin(std::process::Stdio::piped())
+            .stdout(std::process::Stdio::piped())
+            .stderr(std::process::Stdio::piped())
+            .kill_on_drop(true)
+            .spawn()?;
+
+        let stdout = child.stdout.take().context("Failed to take stdout")?;
+        let stdin = child.stdin.take().context("Failed to take stdin")?;
+        let stderr = child.stderr.take().context("Failed to take stderr")?;
+        log::trace!("Spawned (pid: {})", child.id());
+
+        let sessions = Rc::new(RefCell::new(HashMap::default()));
+
+        let client = ClientDelegate {
+            sessions: sessions.clone(),
+            cx: cx.clone(),
+        };
+        let (connection, io_task) = acp::ClientSideConnection::new(client, stdin, stdout, {
+            let foreground_executor = cx.foreground_executor().clone();
+            move |fut| {
+                foreground_executor.spawn(fut).detach();
+            }
+        });
+
+        let io_task = cx.background_spawn(io_task);
+
+        cx.background_spawn(async move {
+            let mut stderr = BufReader::new(stderr);
+            let mut line = String::new();
+            while let Ok(n) = stderr.read_line(&mut line).await
+                && n > 0
+            {
+                log::warn!("agent stderr: {}", &line);
+                line.clear();
+            }
+        })
+        .detach();
+
+        cx.spawn({
+            let sessions = sessions.clone();
+            async move |cx| {
+                let status = child.status().await?;
+
+                for session in sessions.borrow().values() {
+                    session
+                        .thread
+                        .update(cx, |thread, cx| {
+                            thread.emit_load_error(LoadError::Exited { status }, cx)
+                        })
+                        .ok();
+                }
+
+                anyhow::Ok(())
+            }
+        })
+        .detach();
+
+        let connection = Rc::new(connection);
+
+        cx.update(|cx| {
+            AcpConnectionRegistry::default_global(cx).update(cx, |registry, cx| {
+                registry.set_active_connection(server_name.clone(), &connection, cx)
+            });
+        })?;
+
+        let response = connection
+            .initialize(acp::InitializeRequest {
+                protocol_version: acp::VERSION,
+                client_capabilities: acp::ClientCapabilities {
+                    fs: acp::FileSystemCapability {
+                        read_text_file: true,
+                        write_text_file: true,
+                    },
+                },
+            })
+            .await?;
+
+        if response.protocol_version < MINIMUM_SUPPORTED_VERSION {
+            return Err(UnsupportedVersion.into());
+        }
+
+        Ok(Self {
+            auth_methods: response.auth_methods,
+            connection,
+            server_name,
+            sessions,
+            prompt_capabilities: response.agent_capabilities.prompt_capabilities,
+            _io_task: io_task,
+        })
+    }
+}
+
+impl AgentConnection for AcpConnection {
+    fn new_thread(
+        self: Rc<Self>,
+        project: Entity<Project>,
+        cwd: &Path,
+        cx: &mut App,
+    ) -> Task<Result<Entity<AcpThread>>> {
+        let conn = self.connection.clone();
+        let sessions = self.sessions.clone();
+        let cwd = cwd.to_path_buf();
+        let context_server_store = project.read(cx).context_server_store().read(cx);
+        let mcp_servers = context_server_store
+            .configured_server_ids()
+            .iter()
+            .filter_map(|id| {
+                let configuration = context_server_store.configuration_for_server(id)?;
+                let command = configuration.command();
+                Some(acp::McpServer {
+                    name: id.0.to_string(),
+                    command: command.path.clone(),
+                    args: command.args.clone(),
+                    env: if let Some(env) = command.env.as_ref() {
+                        env.iter()
+                            .map(|(name, value)| acp::EnvVariable {
+                                name: name.clone(),
+                                value: value.clone(),
+                            })
+                            .collect()
+                    } else {
+                        vec![]
+                    },
+                })
+            })
+            .collect();
+
+        cx.spawn(async move |cx| {
+            let response = conn
+                .new_session(acp::NewSessionRequest { mcp_servers, cwd })
+                .await
+                .map_err(|err| {
+                    if err.code == acp::ErrorCode::AUTH_REQUIRED.code {
+                        let mut error = AuthRequired::new();
+
+                        if err.message != acp::ErrorCode::AUTH_REQUIRED.message {
+                            error = error.with_description(err.message);
+                        }
+
+                        anyhow!(error)
+                    } else {
+                        anyhow!(err)
+                    }
+                })?;
+
+            let session_id = response.session_id;
+            let action_log = cx.new(|_| ActionLog::new(project.clone()))?;
+            let thread = cx.new(|cx| {
+                AcpThread::new(
+                    self.server_name.clone(),
+                    self.clone(),
+                    project,
+                    action_log,
+                    session_id.clone(),
+                    // ACP doesn't currently support per-session prompt capabilities or changing capabilities dynamically.
+                    watch::Receiver::constant(self.prompt_capabilities),
+                    cx,
+                )
+            })?;
+
+            let session = AcpSession {
+                thread: thread.downgrade(),
+                suppress_abort_err: false,
+            };
+            sessions.borrow_mut().insert(session_id, session);
+
+            Ok(thread)
+        })
+    }
+
+    fn auth_methods(&self) -> &[acp::AuthMethod] {
+        &self.auth_methods
+    }
+
+    fn authenticate(&self, method_id: acp::AuthMethodId, cx: &mut App) -> Task<Result<()>> {
+        let conn = self.connection.clone();
+        cx.foreground_executor().spawn(async move {
+            let result = conn
+                .authenticate(acp::AuthenticateRequest {
+                    method_id: method_id.clone(),
+                })
+                .await?;
+
+            Ok(result)
+        })
+    }
+
+    fn prompt(
+        &self,
+        _id: Option<acp_thread::UserMessageId>,
+        params: acp::PromptRequest,
+        cx: &mut App,
+    ) -> Task<Result<acp::PromptResponse>> {
+        let conn = self.connection.clone();
+        let sessions = self.sessions.clone();
+        let session_id = params.session_id.clone();
+        cx.foreground_executor().spawn(async move {
+            let result = conn.prompt(params).await;
+
+            let mut suppress_abort_err = false;
+
+            if let Some(session) = sessions.borrow_mut().get_mut(&session_id) {
+                suppress_abort_err = session.suppress_abort_err;
+                session.suppress_abort_err = false;
+            }
+
+            match result {
+                Ok(response) => Ok(response),
+                Err(err) => {
+                    if err.code != ErrorCode::INTERNAL_ERROR.code {
+                        anyhow::bail!(err)
+                    }
+
+                    let Some(data) = &err.data else {
+                        anyhow::bail!(err)
+                    };
+
+                    // Temporary workaround until the following PR is generally available:
+                    // https://github.com/google-gemini/gemini-cli/pull/6656
+
+                    #[derive(Deserialize)]
+                    #[serde(deny_unknown_fields)]
+                    struct ErrorDetails {
+                        details: Box<str>,
+                    }
+
+                    match serde_json::from_value(data.clone()) {
+                        Ok(ErrorDetails { details }) => {
+                            if suppress_abort_err
+                                && (details.contains("This operation was aborted")
+                                    || details.contains("The user aborted a request"))
+                            {
+                                Ok(acp::PromptResponse {
+                                    stop_reason: acp::StopReason::Cancelled,
+                                })
+                            } else {
+                                Err(anyhow!(details))
+                            }
+                        }
+                        Err(_) => Err(anyhow!(err)),
+                    }
+                }
+            }
+        })
+    }
+
+    fn cancel(&self, session_id: &acp::SessionId, cx: &mut App) {
+        if let Some(session) = self.sessions.borrow_mut().get_mut(session_id) {
+            session.suppress_abort_err = true;
+        }
+        let conn = self.connection.clone();
+        let params = acp::CancelNotification {
+            session_id: session_id.clone(),
+        };
+        cx.foreground_executor()
+            .spawn(async move { conn.cancel(params).await })
+            .detach();
+    }
+
+    fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
+        self
+    }
+}
+
+struct ClientDelegate {
+    sessions: Rc<RefCell<HashMap<acp::SessionId, AcpSession>>>,
+    cx: AsyncApp,
+}
+
+impl acp::Client for ClientDelegate {
+    async fn request_permission(
+        &self,
+        arguments: acp::RequestPermissionRequest,
+    ) -> Result<acp::RequestPermissionResponse, acp::Error> {
+        let cx = &mut self.cx.clone();
+        let rx = self
+            .sessions
+            .borrow()
+            .get(&arguments.session_id)
+            .context("Failed to get session")?
+            .thread
+            .update(cx, |thread, cx| {
+                thread.request_tool_call_authorization(arguments.tool_call, arguments.options, cx)
+            })?;
+
+        let result = rx?.await;
+
+        let outcome = match result {
+            Ok(option) => acp::RequestPermissionOutcome::Selected { option_id: option },
+            Err(oneshot::Canceled) => acp::RequestPermissionOutcome::Cancelled,
+        };
+
+        Ok(acp::RequestPermissionResponse { outcome })
+    }
+
+    async fn write_text_file(
+        &self,
+        arguments: acp::WriteTextFileRequest,
+    ) -> Result<(), acp::Error> {
+        let cx = &mut self.cx.clone();
+        let task = self
+            .sessions
+            .borrow()
+            .get(&arguments.session_id)
+            .context("Failed to get session")?
+            .thread
+            .update(cx, |thread, cx| {
+                thread.write_text_file(arguments.path, arguments.content, cx)
+            })?;
+
+        task.await?;
+
+        Ok(())
+    }
+
+    async fn read_text_file(
+        &self,
+        arguments: acp::ReadTextFileRequest,
+    ) -> Result<acp::ReadTextFileResponse, acp::Error> {
+        let cx = &mut self.cx.clone();
+        let task = self
+            .sessions
+            .borrow()
+            .get(&arguments.session_id)
+            .context("Failed to get session")?
+            .thread
+            .update(cx, |thread, cx| {
+                thread.read_text_file(arguments.path, arguments.line, arguments.limit, false, cx)
+            })?;
+
+        let content = task.await?;
+
+        Ok(acp::ReadTextFileResponse { content })
+    }
+
+    async fn session_notification(
+        &self,
+        notification: acp::SessionNotification,
+    ) -> Result<(), acp::Error> {
+        let cx = &mut self.cx.clone();
+        let sessions = self.sessions.borrow();
+        let session = sessions
+            .get(&notification.session_id)
+            .context("Failed to get session")?;
+
+        session.thread.update(cx, |thread, cx| {
+            thread.handle_session_update(notification.update, cx)
+        })??;
+
+        Ok(())
+    }
+}
diff --git a/crates/agent_servers/src/agent_servers.rs b/crates/agent_servers/src/agent_servers.rs
index 212bb74d8a..7c7e124ca7 100644
--- a/crates/agent_servers/src/agent_servers.rs
+++ b/crates/agent_servers/src/agent_servers.rs
@@ -1,14 +1,14 @@
+mod acp;
 mod claude;
-mod codex;
+mod custom;
 mod gemini;
-mod mcp_server;
 mod settings;
 
-#[cfg(test)]
-mod e2e_tests;
+#[cfg(any(test, feature = "test-support"))]
+pub mod e2e_tests;
 
 pub use claude::*;
-pub use codex::*;
+pub use custom::*;
 pub use gemini::*;
 pub use settings::*;
 
@@ -20,6 +20,7 @@ use project::Project;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 use std::{
+    any::Any,
     path::{Path, PathBuf},
     rc::Rc,
     sync::Arc,
@@ -32,17 +33,25 @@ pub fn init(cx: &mut App) {
 
 pub trait AgentServer: Send {
     fn logo(&self) -> ui::IconName;
-    fn name(&self) -> &'static str;
-    fn empty_state_headline(&self) -> &'static str;
-    fn empty_state_message(&self) -> &'static str;
+    fn name(&self) -> SharedString;
+    fn empty_state_headline(&self) -> SharedString;
+    fn empty_state_message(&self) -> SharedString;
+    fn telemetry_id(&self) -> &'static str;
 
     fn connect(
         &self,
-        // these will go away when old_acp is fully removed
         root_dir: &Path,
         project: &Entity<Project>,
         cx: &mut App,
     ) -> Task<Result<Rc<dyn AgentConnection>>>;
+
+    fn into_any(self: Rc<Self>) -> Rc<dyn Any>;
+}
+
+impl dyn AgentServer {
+    pub fn downcast<T: 'static + AgentServer + Sized>(self: Rc<Self>) -> Option<Rc<T>> {
+        self.into_any().downcast().ok()
+    }
 }
 
 impl std::fmt::Debug for AgentServerCommand {
@@ -89,15 +98,16 @@ pub struct AgentServerCommand {
 }
 
 impl AgentServerCommand {
-    pub(crate) async fn resolve(
+    pub async fn resolve(
         path_bin_name: &'static str,
         extra_args: &[&'static str],
+        fallback_path: Option<&Path>,
         settings: Option<AgentServerSettings>,
         project: &Entity<Project>,
         cx: &mut AsyncApp,
     ) -> Option<Self> {
         if let Some(agent_settings) = settings {
-            return Some(Self {
+            Some(Self {
                 path: agent_settings.command.path,
                 args: agent_settings
                     .command
@@ -106,15 +116,26 @@ impl AgentServerCommand {
                     .chain(extra_args.iter().map(|arg| arg.to_string()))
                     .collect(),
                 env: agent_settings.command.env,
-            });
+            })
         } else {
-            find_bin_in_path(path_bin_name, project, cx)
-                .await
-                .map(|path| Self {
+            match find_bin_in_path(path_bin_name, project, cx).await {
+                Some(path) => Some(Self {
                     path,
                     args: extra_args.iter().map(|arg| arg.to_string()).collect(),
                     env: None,
-                })
+                }),
+                None => fallback_path.and_then(|path| {
+                    if path.exists() {
+                        Some(Self {
+                            path: path.to_path_buf(),
+                            args: extra_args.iter().map(|arg| arg.to_string()).collect(),
+                            env: None,
+                        })
+                    } else {
+                        None
+                    }
+                }),
+            }
         }
     }
 }
diff --git a/crates/agent_servers/src/claude.rs b/crates/agent_servers/src/claude.rs
index 6565786204..250e564526 100644
--- a/crates/agent_servers/src/claude.rs
+++ b/crates/agent_servers/src/claude.rs
@@ -1,19 +1,27 @@
+mod edit_tool;
 mod mcp_server;
+mod permission_tool;
+mod read_tool;
 pub mod tools;
+mod write_tool;
 
+use action_log::ActionLog;
 use collections::HashMap;
 use context_server::listener::McpServerTool;
+use language_models::provider::anthropic::AnthropicLanguageModelProvider;
 use project::Project;
 use settings::SettingsStore;
 use smol::process::Child;
+use std::any::Any;
 use std::cell::RefCell;
 use std::fmt::Display;
-use std::path::Path;
+use std::path::{Path, PathBuf};
 use std::rc::Rc;
+use util::command::new_smol_command;
 use uuid::Uuid;
 
 use agent_client_protocol as acp;
-use anyhow::{Result, anyhow};
+use anyhow::{Context as _, Result, anyhow};
 use futures::channel::oneshot;
 use futures::{AsyncBufReadExt, AsyncWriteExt};
 use futures::{
@@ -22,29 +30,33 @@ use futures::{
     io::BufReader,
     select_biased,
 };
-use gpui::{App, AppContext, AsyncApp, Entity, Task, WeakEntity};
+use gpui::{App, AppContext, AsyncApp, Entity, SharedString, Task, WeakEntity};
 use serde::{Deserialize, Serialize};
-use util::ResultExt;
+use util::{ResultExt, debug_panic};
 
 use crate::claude::mcp_server::{ClaudeZedMcpServer, McpConfig};
 use crate::claude::tools::ClaudeTool;
 use crate::{AgentServer, AgentServerCommand, AllAgentServersSettings};
-use acp_thread::{AcpThread, AgentConnection};
+use acp_thread::{AcpThread, AgentConnection, AuthRequired, LoadError, MentionUri};
 
 #[derive(Clone)]
 pub struct ClaudeCode;
 
 impl AgentServer for ClaudeCode {
-    fn name(&self) -> &'static str {
-        "Claude Code"
+    fn telemetry_id(&self) -> &'static str {
+        "claude-code"
     }
 
-    fn empty_state_headline(&self) -> &'static str {
+    fn name(&self) -> SharedString {
+        "Claude Code".into()
+    }
+
+    fn empty_state_headline(&self) -> SharedString {
         self.name()
     }
 
-    fn empty_state_message(&self) -> &'static str {
-        "How can I help you today?"
+    fn empty_state_message(&self) -> SharedString {
+        "How can I help you today?".into()
     }
 
     fn logo(&self) -> ui::IconName {
@@ -63,6 +75,10 @@ impl AgentServer for ClaudeCode {
 
         Task::ready(Ok(Rc::new(connection) as _))
     }
+
+    fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
+        self
+    }
 }
 
 struct ClaudeAgentConnection {
@@ -70,20 +86,51 @@ struct ClaudeAgentConnection {
 }
 
 impl AgentConnection for ClaudeAgentConnection {
-    fn name(&self) -> &'static str {
-        ClaudeCode.name()
-    }
-
     fn new_thread(
         self: Rc<Self>,
         project: Entity<Project>,
         cwd: &Path,
-        cx: &mut AsyncApp,
+        cx: &mut App,
     ) -> Task<Result<Entity<AcpThread>>> {
         let cwd = cwd.to_owned();
         cx.spawn(async move |cx| {
+            let settings = cx.read_global(|settings: &SettingsStore, _| {
+                settings.get::<AllAgentServersSettings>(None).claude.clone()
+            })?;
+
+            let Some(command) = AgentServerCommand::resolve(
+                "claude",
+                &[],
+                Some(&util::paths::home_dir().join(".claude/local/claude")),
+                settings,
+                &project,
+                cx,
+            )
+            .await
+            else {
+                return Err(LoadError::NotInstalled {
+                    error_message: "Failed to find Claude Code binary".into(),
+                    install_message: "Install Claude Code".into(),
+                    install_command: "npm install -g @anthropic-ai/claude-code@latest".into(),
+                }.into());
+            };
+
+            let api_key =
+                cx.update(AnthropicLanguageModelProvider::api_key)?
+                    .await
+                    .map_err(|err| {
+                        if err.is::<language_model::AuthenticateError>() {
+                            anyhow!(AuthRequired::new().with_language_model_provider(
+                                language_model::ANTHROPIC_PROVIDER_ID
+                            ))
+                        } else {
+                            anyhow!(err)
+                        }
+                    })?;
+
             let (mut thread_tx, thread_rx) = watch::channel(WeakEntity::new_invalid());
-            let permission_mcp_server = ClaudeZedMcpServer::new(thread_rx.clone(), cx).await?;
+            let fs = project.read_with(cx, |project, _cx| project.fs().clone())?;
+            let permission_mcp_server = ClaudeZedMcpServer::new(thread_rx.clone(), fs, cx).await?;
 
             let mut mcp_servers = HashMap::default();
             mcp_servers.insert(
@@ -101,16 +148,6 @@ impl AgentConnection for ClaudeAgentConnection {
                 .await?;
             mcp_config_file.flush().await?;
 
-            let settings = cx.read_global(|settings: &SettingsStore, _| {
-                settings.get::<AllAgentServersSettings>(None).claude.clone()
-            })?;
-
-            let Some(command) =
-                AgentServerCommand::resolve("claude", &[], settings, &project, cx).await
-            else {
-                anyhow::bail!("Failed to find claude binary");
-            };
-
             let (incoming_message_tx, mut incoming_message_rx) = mpsc::unbounded();
             let (outgoing_tx, outgoing_rx) = mpsc::unbounded();
 
@@ -118,64 +155,125 @@ impl AgentConnection for ClaudeAgentConnection {
 
             log::trace!("Starting session with id: {}", session_id);
 
-            cx.background_spawn({
-                let session_id = session_id.clone();
-                async move {
-                    let mut outgoing_rx = Some(outgoing_rx);
+            let mut child = spawn_claude(
+                &command,
+                ClaudeSessionMode::Start,
+                session_id.clone(),
+                api_key,
+                &mcp_config_path,
+                &cwd,
+            )?;
 
-                    let mut child = spawn_claude(
-                        &command,
-                        ClaudeSessionMode::Start,
-                        session_id.clone(),
-                        &mcp_config_path,
-                        &cwd,
-                    )
-                    .await?;
+            let stdout = child.stdout.take().context("Failed to take stdout")?;
+            let stdin = child.stdin.take().context("Failed to take stdin")?;
+            let stderr = child.stderr.take().context("Failed to take stderr")?;
 
-                    let pid = child.id();
-                    log::trace!("Spawned (pid: {})", pid);
+            let pid = child.id();
+            log::trace!("Spawned (pid: {})", pid);
 
-                    ClaudeAgentSession::handle_io(
-                        outgoing_rx.take().unwrap(),
-                        incoming_message_tx.clone(),
-                        child.stdin.take().unwrap(),
-                        child.stdout.take().unwrap(),
-                    )
-                    .await?;
-
-                    log::trace!("Stopped (pid: {})", pid);
-
-                    drop(mcp_config_path);
-                    anyhow::Ok(())
+            cx.background_spawn(async move {
+                let mut stderr = BufReader::new(stderr);
+                let mut line = String::new();
+                while let Ok(n) = stderr.read_line(&mut line).await
+                    && n > 0
+                {
+                    log::warn!("agent stderr: {}", &line);
+                    line.clear();
                 }
             })
             .detach();
 
-            let end_turn_tx = Rc::new(RefCell::new(None));
+            cx.background_spawn(async move {
+                let mut outgoing_rx = Some(outgoing_rx);
+
+                ClaudeAgentSession::handle_io(
+                    outgoing_rx.take().unwrap(),
+                    incoming_message_tx.clone(),
+                    stdin,
+                    stdout,
+                )
+                .await?;
+
+                log::trace!("Stopped (pid: {})", pid);
+
+                drop(mcp_config_path);
+                anyhow::Ok(())
+            })
+            .detach();
+
+            let turn_state = Rc::new(RefCell::new(TurnState::None));
+
             let handler_task = cx.spawn({
-                let end_turn_tx = end_turn_tx.clone();
-                let thread_rx = thread_rx.clone();
+                let turn_state = turn_state.clone();
+                let mut thread_rx = thread_rx.clone();
                 async move |cx| {
                     while let Some(message) = incoming_message_rx.next().await {
                         ClaudeAgentSession::handle_message(
                             thread_rx.clone(),
                             message,
-                            end_turn_tx.clone(),
+                            turn_state.clone(),
                             cx,
                         )
                         .await
                     }
+
+                    if let Some(status) = child.status().await.log_err()
+                        && let Some(thread) = thread_rx.recv().await.ok()
+                    {
+                        let version = claude_version(command.path.clone(), cx).await.log_err();
+                        let help = claude_help(command.path.clone(), cx).await.log_err();
+                        thread
+                            .update(cx, |thread, cx| {
+                                let error = if let Some(version) = version
+                                    && let Some(help) = help
+                                    && (!help.contains("--input-format")
+                                        || !help.contains("--session-id"))
+                                {
+                                    LoadError::Unsupported {
+                                    error_message: format!(
+                                            "Your installed version of Claude Code ({}, version {}) does not have required features for use with Zed.",
+                                            command.path.to_string_lossy(),
+                                            version,
+                                        )
+                                        .into(),
+                                        upgrade_message: "Upgrade Claude Code to latest".into(),
+                                        upgrade_command: format!(
+                                            "{} update",
+                                            command.path.to_string_lossy()
+                                        ),
+                                    }
+                                } else {
+                                    LoadError::Exited { status }
+                                };
+                                thread.emit_load_error(error, cx);
+                            })
+                            .ok();
+                    }
                 }
             });
 
-            let thread =
-                cx.new(|cx| AcpThread::new(self.clone(), project, session_id.clone(), cx))?;
+            let action_log = cx.new(|_| ActionLog::new(project.clone()))?;
+            let thread = cx.new(|cx| {
+                AcpThread::new(
+                    "Claude Code",
+                    self.clone(),
+                    project,
+                    action_log,
+                    session_id.clone(),
+                    watch::Receiver::constant(acp::PromptCapabilities {
+                        image: true,
+                        audio: false,
+                        embedded_context: true,
+                    }),
+                    cx,
+                )
+            })?;
 
             thread_tx.send(thread.downgrade())?;
 
             let session = ClaudeAgentSession {
                 outgoing_tx,
-                end_turn_tx,
+                turn_state,
                 _handler_task: handler_task,
                 _mcp_server: Some(permission_mcp_server),
             };
@@ -186,11 +284,20 @@ impl AgentConnection for ClaudeAgentConnection {
         })
     }
 
-    fn authenticate(&self, _cx: &mut App) -> Task<Result<()>> {
+    fn auth_methods(&self) -> &[acp::AuthMethod] {
+        &[]
+    }
+
+    fn authenticate(&self, _: acp::AuthMethodId, _cx: &mut App) -> Task<Result<()>> {
         Task::ready(Err(anyhow!("Authentication not supported")))
     }
 
-    fn prompt(&self, params: acp::PromptArguments, cx: &mut App) -> Task<Result<()>> {
+    fn prompt(
+        &self,
+        _id: Option<acp_thread::UserMessageId>,
+        params: acp::PromptRequest,
+        cx: &mut App,
+    ) -> Task<Result<acp::PromptResponse>> {
         let sessions = self.sessions.borrow();
         let Some(session) = sessions.get(&params.session_id) else {
             return Task::ready(Err(anyhow!(
@@ -199,30 +306,15 @@ impl AgentConnection for ClaudeAgentConnection {
             )));
         };
 
-        let (tx, rx) = oneshot::channel();
-        session.end_turn_tx.borrow_mut().replace(tx);
+        let (end_tx, end_rx) = oneshot::channel();
+        session.turn_state.replace(TurnState::InProgress { end_tx });
 
-        let mut content = String::new();
-        for chunk in params.prompt {
-            match chunk {
-                acp::ContentBlock::Text(text_content) => {
-                    content.push_str(&text_content.text);
-                }
-                acp::ContentBlock::ResourceLink(resource_link) => {
-                    content.push_str(&format!("@{}", resource_link.uri));
-                }
-                acp::ContentBlock::Audio(_)
-                | acp::ContentBlock::Image(_)
-                | acp::ContentBlock::Resource(_) => {
-                    // TODO
-                }
-            }
-        }
+        let content = acp_content_to_claude(params.prompt);
 
         if let Err(err) = session.outgoing_tx.unbounded_send(SdkMessage::User {
             message: Message {
                 role: Role::User,
-                content: Content::UntaggedText(content),
+                content: Content::Chunks(content),
                 id: None,
                 model: None,
                 stop_reason: None,
@@ -234,24 +326,42 @@ impl AgentConnection for ClaudeAgentConnection {
             return Task::ready(Err(anyhow!(err)));
         }
 
-        cx.foreground_executor().spawn(async move {
-            rx.await??;
-            Ok(())
-        })
+        cx.foreground_executor().spawn(async move { end_rx.await? })
     }
 
     fn cancel(&self, session_id: &acp::SessionId, _cx: &mut App) {
         let sessions = self.sessions.borrow();
-        let Some(session) = sessions.get(&session_id) else {
+        let Some(session) = sessions.get(session_id) else {
             log::warn!("Attempted to cancel nonexistent session {}", session_id);
             return;
         };
 
+        let request_id = new_request_id();
+
+        let turn_state = session.turn_state.take();
+        let TurnState::InProgress { end_tx } = turn_state else {
+            // Already canceled or idle, put it back
+            session.turn_state.replace(turn_state);
+            return;
+        };
+
+        session.turn_state.replace(TurnState::CancelRequested {
+            end_tx,
+            request_id: request_id.clone(),
+        });
+
         session
             .outgoing_tx
-            .unbounded_send(SdkMessage::new_interrupt_message())
+            .unbounded_send(SdkMessage::ControlRequest {
+                request_id,
+                request: ControlRequest::Interrupt,
+            })
             .log_err();
     }
+
+    fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
+        self
+    }
 }
 
 #[derive(Clone, Copy)]
@@ -261,10 +371,11 @@ enum ClaudeSessionMode {
     Resume,
 }
 
-async fn spawn_claude(
+fn spawn_claude(
     command: &AgentServerCommand,
     mode: ClaudeSessionMode,
     session_id: acp::SessionId,
+    api_key: language_models::provider::anthropic::ApiKey,
     mcp_config_path: &Path,
     root_dir: &Path,
 ) -> Result<Child> {
@@ -282,56 +393,204 @@ async fn spawn_claude(
             &format!(
                 "mcp__{}__{}",
                 mcp_server::SERVER_NAME,
-                mcp_server::PermissionTool::NAME,
+                permission_tool::PermissionTool::NAME,
             ),
             "--allowedTools",
             &format!(
-                "mcp__{}__{},mcp__{}__{}",
+                "mcp__{}__{}",
                 mcp_server::SERVER_NAME,
-                mcp_server::EditTool::NAME,
-                mcp_server::SERVER_NAME,
-                mcp_server::ReadTool::NAME
+                read_tool::ReadTool::NAME
             ),
             "--disallowedTools",
-            "Read,Edit",
+            "Read,Write,Edit,MultiEdit",
         ])
         .args(match mode {
             ClaudeSessionMode::Start => ["--session-id".to_string(), session_id.to_string()],
             ClaudeSessionMode::Resume => ["--resume".to_string(), session_id.to_string()],
         })
         .args(command.args.iter().map(|arg| arg.as_str()))
+        .envs(command.env.iter().flatten())
+        .env("ANTHROPIC_API_KEY", api_key.key)
         .current_dir(root_dir)
         .stdin(std::process::Stdio::piped())
         .stdout(std::process::Stdio::piped())
-        .stderr(std::process::Stdio::inherit())
+        .stderr(std::process::Stdio::piped())
         .kill_on_drop(true)
         .spawn()?;
 
     Ok(child)
 }
 
+fn claude_version(path: PathBuf, cx: &mut AsyncApp) -> Task<Result<semver::Version>> {
+    cx.background_spawn(async move {
+        let output = new_smol_command(path).arg("--version").output().await?;
+        let output = String::from_utf8(output.stdout)?;
+        let version = output
+            .trim()
+            .strip_suffix(" (Claude Code)")
+            .context("parsing Claude version")?;
+        let version = semver::Version::parse(version)?;
+        anyhow::Ok(version)
+    })
+}
+
+fn claude_help(path: PathBuf, cx: &mut AsyncApp) -> Task<Result<String>> {
+    cx.background_spawn(async move {
+        let output = new_smol_command(path).arg("--help").output().await?;
+        let output = String::from_utf8(output.stdout)?;
+        anyhow::Ok(output)
+    })
+}
+
 struct ClaudeAgentSession {
     outgoing_tx: UnboundedSender<SdkMessage>,
-    end_turn_tx: Rc<RefCell<Option<oneshot::Sender<Result<()>>>>>,
+    turn_state: Rc<RefCell<TurnState>>,
     _mcp_server: Option<ClaudeZedMcpServer>,
     _handler_task: Task<()>,
 }
 
+#[derive(Debug, Default)]
+enum TurnState {
+    #[default]
+    None,
+    InProgress {
+        end_tx: oneshot::Sender<Result<acp::PromptResponse>>,
+    },
+    CancelRequested {
+        end_tx: oneshot::Sender<Result<acp::PromptResponse>>,
+        request_id: String,
+    },
+    CancelConfirmed {
+        end_tx: oneshot::Sender<Result<acp::PromptResponse>>,
+    },
+}
+
+impl TurnState {
+    fn is_canceled(&self) -> bool {
+        matches!(self, TurnState::CancelConfirmed { .. })
+    }
+
+    fn end_tx(self) -> Option<oneshot::Sender<Result<acp::PromptResponse>>> {
+        match self {
+            TurnState::None => None,
+            TurnState::InProgress { end_tx, .. } => Some(end_tx),
+            TurnState::CancelRequested { end_tx, .. } => Some(end_tx),
+            TurnState::CancelConfirmed { end_tx } => Some(end_tx),
+        }
+    }
+
+    fn confirm_cancellation(self, id: &str) -> Self {
+        match self {
+            TurnState::CancelRequested { request_id, end_tx } if request_id == id => {
+                TurnState::CancelConfirmed { end_tx }
+            }
+            _ => self,
+        }
+    }
+}
+
 impl ClaudeAgentSession {
     async fn handle_message(
         mut thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
         message: SdkMessage,
-        end_turn_tx: Rc<RefCell<Option<oneshot::Sender<Result<()>>>>>,
+        turn_state: Rc<RefCell<TurnState>>,
         cx: &mut AsyncApp,
     ) {
         match message {
             // we should only be sending these out, they don't need to be in the thread
             SdkMessage::ControlRequest { .. } => {}
-            SdkMessage::Assistant {
+            SdkMessage::User {
                 message,
                 session_id: _,
+            } => {
+                let Some(thread) = thread_rx
+                    .recv()
+                    .await
+                    .log_err()
+                    .and_then(|entity| entity.upgrade())
+                else {
+                    log::error!("Received an SDK message but thread is gone");
+                    return;
+                };
+
+                for chunk in message.content.chunks() {
+                    match chunk {
+                        ContentChunk::Text { text } | ContentChunk::UntaggedText(text) => {
+                            if !turn_state.borrow().is_canceled() {
+                                thread
+                                    .update(cx, |thread, cx| {
+                                        thread.push_user_content_block(None, text.into(), cx)
+                                    })
+                                    .log_err();
+                            }
+                        }
+                        ContentChunk::ToolResult {
+                            content,
+                            tool_use_id,
+                        } => {
+                            let content = content.to_string();
+                            thread
+                                .update(cx, |thread, cx| {
+                                    let id = acp::ToolCallId(tool_use_id.into());
+                                    let set_new_content = !content.is_empty()
+                                        && thread.tool_call(&id).is_none_or(|(_, tool_call)| {
+                                            // preserve rich diff if we have one
+                                            tool_call.diffs().next().is_none()
+                                        });
+
+                                    thread.update_tool_call(
+                                        acp::ToolCallUpdate {
+                                            id,
+                                            fields: acp::ToolCallUpdateFields {
+                                                status: if turn_state.borrow().is_canceled() {
+                                                    // Do not set to completed if turn was canceled
+                                                    None
+                                                } else {
+                                                    Some(acp::ToolCallStatus::Completed)
+                                                },
+                                                content: set_new_content
+                                                    .then(|| vec![content.into()]),
+                                                ..Default::default()
+                                            },
+                                        },
+                                        cx,
+                                    )
+                                })
+                                .log_err();
+                        }
+                        ContentChunk::Thinking { .. }
+                        | ContentChunk::RedactedThinking
+                        | ContentChunk::ToolUse { .. } => {
+                            debug_panic!(
+                                "Should not get {:?} with role: assistant. should we handle this?",
+                                chunk
+                            );
+                        }
+                        ContentChunk::Image { source } => {
+                            if !turn_state.borrow().is_canceled() {
+                                thread
+                                    .update(cx, |thread, cx| {
+                                        thread.push_user_content_block(None, source.into(), cx)
+                                    })
+                                    .log_err();
+                            }
+                        }
+
+                        ContentChunk::Document | ContentChunk::WebSearchToolResult => {
+                            thread
+                                .update(cx, |thread, cx| {
+                                    thread.push_assistant_content_block(
+                                        format!("Unsupported content: {:?}", chunk).into(),
+                                        false,
+                                        cx,
+                                    )
+                                })
+                                .log_err();
+                        }
+                    }
+                }
             }
-            | SdkMessage::User {
+            SdkMessage::Assistant {
                 message,
                 session_id: _,
             } => {
@@ -354,6 +613,24 @@ impl ClaudeAgentSession {
                                 })
                                 .log_err();
                         }
+                        ContentChunk::Thinking { thinking } => {
+                            thread
+                                .update(cx, |thread, cx| {
+                                    thread.push_assistant_content_block(thinking.into(), true, cx)
+                                })
+                                .log_err();
+                        }
+                        ContentChunk::RedactedThinking => {
+                            thread
+                                .update(cx, |thread, cx| {
+                                    thread.push_assistant_content_block(
+                                        "[REDACTED]".into(),
+                                        true,
+                                        cx,
+                                    )
+                                })
+                                .log_err();
+                        }
                         ContentChunk::ToolUse { id, name, input } => {
                             let claude_tool = ClaudeTool::infer(&name, input);
 
@@ -374,38 +651,25 @@ impl ClaudeAgentSession {
                                         thread.upsert_tool_call(
                                             claude_tool.as_acp(acp::ToolCallId(id.into())),
                                             cx,
-                                        );
+                                        )?;
                                     }
+                                    anyhow::Ok(())
                                 })
                                 .log_err();
                         }
-                        ContentChunk::ToolResult {
-                            content,
-                            tool_use_id,
-                        } => {
-                            let content = content.to_string();
+                        ContentChunk::ToolResult { .. } | ContentChunk::WebSearchToolResult => {
+                            debug_panic!(
+                                "Should not get tool results with role: assistant. should we handle this?"
+                            );
+                        }
+                        ContentChunk::Image { source } => {
                             thread
                                 .update(cx, |thread, cx| {
-                                    thread.update_tool_call(
-                                        acp::ToolCallUpdate {
-                                            id: acp::ToolCallId(tool_use_id.into()),
-                                            fields: acp::ToolCallUpdateFields {
-                                                status: Some(acp::ToolCallStatus::Completed),
-                                                content: (!content.is_empty())
-                                                    .then(|| vec![content.into()]),
-                                                ..Default::default()
-                                            },
-                                        },
-                                        cx,
-                                    )
+                                    thread.push_assistant_content_block(source.into(), false, cx)
                                 })
                                 .log_err();
                         }
-                        ContentChunk::Image
-                        | ContentChunk::Document
-                        | ContentChunk::Thinking
-                        | ContentChunk::RedactedThinking
-                        | ContentChunk::WebSearchToolResult => {
+                        ContentChunk::Document => {
                             thread
                                 .update(cx, |thread, cx| {
                                     thread.push_assistant_content_block(
@@ -425,20 +689,40 @@ impl ClaudeAgentSession {
                 result,
                 ..
             } => {
-                if let Some(end_turn_tx) = end_turn_tx.borrow_mut().take() {
-                    if is_error {
-                        end_turn_tx
-                            .send(Err(anyhow!(
-                                "Error: {}",
-                                result.unwrap_or_else(|| subtype.to_string())
-                            )))
-                            .ok();
-                    } else {
-                        end_turn_tx.send(Ok(())).ok();
-                    }
+                let turn_state = turn_state.take();
+                let was_canceled = turn_state.is_canceled();
+                let Some(end_turn_tx) = turn_state.end_tx() else {
+                    debug_panic!("Received `SdkMessage::Result` but there wasn't an active turn");
+                    return;
+                };
+
+                if is_error || (!was_canceled && subtype == ResultErrorType::ErrorDuringExecution) {
+                    end_turn_tx
+                        .send(Err(anyhow!(
+                            "Error: {}",
+                            result.unwrap_or_else(|| subtype.to_string())
+                        )))
+                        .ok();
+                } else {
+                    let stop_reason = match subtype {
+                        ResultErrorType::Success => acp::StopReason::EndTurn,
+                        ResultErrorType::ErrorMaxTurns => acp::StopReason::MaxTurnRequests,
+                        ResultErrorType::ErrorDuringExecution => acp::StopReason::Cancelled,
+                    };
+                    end_turn_tx
+                        .send(Ok(acp::PromptResponse { stop_reason }))
+                        .ok();
                 }
             }
-            SdkMessage::System { .. } | SdkMessage::ControlResponse { .. } => {}
+            SdkMessage::ControlResponse { response } => {
+                if matches!(response.subtype, ResultErrorType::Success) {
+                    let new_state = turn_state.take().confirm_cancellation(&response.request_id);
+                    turn_state.replace(new_state);
+                } else {
+                    log::error!("Control response error: {:?}", response);
+                }
+            }
+            SdkMessage::System { .. } => {}
         }
     }
 
@@ -513,7 +797,7 @@ impl Content {
     pub fn chunks(self) -> impl Iterator<Item = ContentChunk> {
         match self {
             Self::Chunks(chunks) => chunks.into_iter(),
-            Self::UntaggedText(text) => vec![ContentChunk::Text { text: text.clone() }].into_iter(),
+            Self::UntaggedText(text) => vec![ContentChunk::Text { text }].into_iter(),
         }
     }
 }
@@ -547,26 +831,58 @@ enum ContentChunk {
         content: Content,
         tool_use_id: String,
     },
-    // TODO
-    Image,
-    Document,
-    Thinking,
+    Thinking {
+        thinking: String,
+    },
     RedactedThinking,
+    Image {
+        source: ImageSource,
+    },
+    // TODO
+    Document,
     WebSearchToolResult,
     #[serde(untagged)]
     UntaggedText(String),
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(tag = "type", rename_all = "snake_case")]
+enum ImageSource {
+    Base64 { data: String, media_type: String },
+    Url { url: String },
+}
+
+impl Into<acp::ContentBlock> for ImageSource {
+    fn into(self) -> acp::ContentBlock {
+        match self {
+            ImageSource::Base64 { data, media_type } => {
+                acp::ContentBlock::Image(acp::ImageContent {
+                    annotations: None,
+                    data,
+                    mime_type: media_type,
+                    uri: None,
+                })
+            }
+            ImageSource::Url { url } => acp::ContentBlock::Image(acp::ImageContent {
+                annotations: None,
+                data: "".to_string(),
+                mime_type: "".to_string(),
+                uri: Some(url),
+            }),
+        }
+    }
+}
+
 impl Display for ContentChunk {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
             ContentChunk::Text { text } => write!(f, "{}", text),
+            ContentChunk::Thinking { thinking } => write!(f, "Thinking: {}", thinking),
+            ContentChunk::RedactedThinking => write!(f, "Thinking: [REDACTED]"),
             ContentChunk::UntaggedText(text) => write!(f, "{}", text),
             ContentChunk::ToolResult { content, .. } => write!(f, "{}", content),
-            ContentChunk::Image
+            ContentChunk::Image { .. }
             | ContentChunk::Document
-            | ContentChunk::Thinking
-            | ContentChunk::RedactedThinking
             | ContentChunk::ToolUse { .. }
             | ContentChunk::WebSearchToolResult => {
                 write!(f, "\n{:?}\n", &self)
@@ -659,7 +975,7 @@ struct ControlResponse {
     subtype: ResultErrorType,
 }
 
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq)]
 #[serde(rename_all = "snake_case")]
 enum ResultErrorType {
     Success,
@@ -677,22 +993,84 @@ impl Display for ResultErrorType {
     }
 }
 
-impl SdkMessage {
-    fn new_interrupt_message() -> Self {
-        use rand::Rng;
-        // In the Claude Code TS SDK they just generate a random 12 character string,
-        // `Math.random().toString(36).substring(2, 15)`
-        let request_id = rand::thread_rng()
-            .sample_iter(&rand::distributions::Alphanumeric)
-            .take(12)
-            .map(char::from)
-            .collect();
+fn acp_content_to_claude(prompt: Vec<acp::ContentBlock>) -> Vec<ContentChunk> {
+    let mut content = Vec::with_capacity(prompt.len());
+    let mut context = Vec::with_capacity(prompt.len());
 
-        Self::ControlRequest {
-            request_id,
-            request: ControlRequest::Interrupt,
+    for chunk in prompt {
+        match chunk {
+            acp::ContentBlock::Text(text_content) => {
+                content.push(ContentChunk::Text {
+                    text: text_content.text,
+                });
+            }
+            acp::ContentBlock::ResourceLink(resource_link) => {
+                match MentionUri::parse(&resource_link.uri) {
+                    Ok(uri) => {
+                        content.push(ContentChunk::Text {
+                            text: format!("{}", uri.as_link()),
+                        });
+                    }
+                    Err(_) => {
+                        content.push(ContentChunk::Text {
+                            text: resource_link.uri,
+                        });
+                    }
+                }
+            }
+            acp::ContentBlock::Resource(resource) => match resource.resource {
+                acp::EmbeddedResourceResource::TextResourceContents(resource) => {
+                    match MentionUri::parse(&resource.uri) {
+                        Ok(uri) => {
+                            content.push(ContentChunk::Text {
+                                text: format!("{}", uri.as_link()),
+                            });
+                        }
+                        Err(_) => {
+                            content.push(ContentChunk::Text {
+                                text: resource.uri.clone(),
+                            });
+                        }
+                    }
+
+                    context.push(ContentChunk::Text {
+                        text: format!(
+                            "\n<context ref=\"{}\">\n{}\n</context>",
+                            resource.uri, resource.text
+                        ),
+                    });
+                }
+                acp::EmbeddedResourceResource::BlobResourceContents(_) => {
+                    // Unsupported by SDK
+                }
+            },
+            acp::ContentBlock::Image(acp::ImageContent {
+                data, mime_type, ..
+            }) => content.push(ContentChunk::Image {
+                source: ImageSource::Base64 {
+                    data,
+                    media_type: mime_type,
+                },
+            }),
+            acp::ContentBlock::Audio(_) => {
+                // Unsupported by SDK
+            }
         }
     }
+
+    content.extend(context);
+    content
+}
+
+fn new_request_id() -> String {
+    use rand::Rng;
+    // In the Claude Code TS SDK they just generate a random 12 character string,
+    // `Math.random().toString(36).substring(2, 15)`
+    rand::thread_rng()
+        .sample_iter(&rand::distributions::Alphanumeric)
+        .take(12)
+        .map(char::from)
+        .collect()
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -713,9 +1091,11 @@ enum PermissionMode {
 #[cfg(test)]
 pub(crate) mod tests {
     use super::*;
+    use crate::e2e_tests;
+    use gpui::TestAppContext;
     use serde_json::json;
 
-    crate::common_e2e_tests!(ClaudeCode, allow_option_id = "allow");
+    crate::common_e2e_tests!(async |_, _, _| ClaudeCode, allow_option_id = "allow");
 
     pub fn local_command() -> AgentServerCommand {
         AgentServerCommand {
@@ -725,6 +1105,68 @@ pub(crate) mod tests {
         }
     }
 
+    #[gpui::test]
+    #[cfg_attr(not(feature = "e2e"), ignore)]
+    async fn test_todo_plan(cx: &mut TestAppContext) {
+        let fs = e2e_tests::init_test(cx).await;
+        let project = Project::test(fs, [], cx).await;
+        let thread =
+            e2e_tests::new_test_thread(ClaudeCode, project.clone(), "/private/tmp", cx).await;
+
+        thread
+            .update(cx, |thread, cx| {
+                thread.send_raw(
+                    "Create a todo plan for initializing a new React app. I'll follow it myself, do not execute on it.",
+                    cx,
+                )
+            })
+            .await
+            .unwrap();
+
+        let mut entries_len = 0;
+
+        thread.read_with(cx, |thread, _| {
+            entries_len = thread.plan().entries.len();
+            assert!(!thread.plan().entries.is_empty(), "Empty plan");
+        });
+
+        thread
+            .update(cx, |thread, cx| {
+                thread.send_raw(
+                    "Mark the first entry status as in progress without acting on it.",
+                    cx,
+                )
+            })
+            .await
+            .unwrap();
+
+        thread.read_with(cx, |thread, _| {
+            assert!(matches!(
+                thread.plan().entries[0].status,
+                acp::PlanEntryStatus::InProgress
+            ));
+            assert_eq!(thread.plan().entries.len(), entries_len);
+        });
+
+        thread
+            .update(cx, |thread, cx| {
+                thread.send_raw(
+                    "Now mark the first entry as completed without acting on it.",
+                    cx,
+                )
+            })
+            .await
+            .unwrap();
+
+        thread.read_with(cx, |thread, _| {
+            assert!(matches!(
+                thread.plan().entries[0].status,
+                acp::PlanEntryStatus::Completed
+            ));
+            assert_eq!(thread.plan().entries.len(), entries_len);
+        });
+    }
+
     #[test]
     fn test_deserialize_content_untagged_text() {
         let json = json!("Hello, world!");
@@ -836,4 +1278,100 @@ pub(crate) mod tests {
             _ => panic!("Expected ToolResult variant"),
         }
     }
+
+    #[test]
+    fn test_acp_content_to_claude() {
+        let acp_content = vec![
+            acp::ContentBlock::Text(acp::TextContent {
+                text: "Hello world".to_string(),
+                annotations: None,
+            }),
+            acp::ContentBlock::Image(acp::ImageContent {
+                data: "base64data".to_string(),
+                mime_type: "image/png".to_string(),
+                annotations: None,
+                uri: None,
+            }),
+            acp::ContentBlock::ResourceLink(acp::ResourceLink {
+                uri: "file:///path/to/example.rs".to_string(),
+                name: "example.rs".to_string(),
+                annotations: None,
+                description: None,
+                mime_type: None,
+                size: None,
+                title: None,
+            }),
+            acp::ContentBlock::Resource(acp::EmbeddedResource {
+                annotations: None,
+                resource: acp::EmbeddedResourceResource::TextResourceContents(
+                    acp::TextResourceContents {
+                        mime_type: None,
+                        text: "fn main() { println!(\"Hello!\"); }".to_string(),
+                        uri: "file:///path/to/code.rs".to_string(),
+                    },
+                ),
+            }),
+            acp::ContentBlock::ResourceLink(acp::ResourceLink {
+                uri: "invalid_uri_format".to_string(),
+                name: "invalid.txt".to_string(),
+                annotations: None,
+                description: None,
+                mime_type: None,
+                size: None,
+                title: None,
+            }),
+        ];
+
+        let claude_content = acp_content_to_claude(acp_content);
+
+        assert_eq!(claude_content.len(), 6);
+
+        match &claude_content[0] {
+            ContentChunk::Text { text } => assert_eq!(text, "Hello world"),
+            _ => panic!("Expected Text chunk"),
+        }
+
+        match &claude_content[1] {
+            ContentChunk::Image { source } => match source {
+                ImageSource::Base64 { data, media_type } => {
+                    assert_eq!(data, "base64data");
+                    assert_eq!(media_type, "image/png");
+                }
+                _ => panic!("Expected Base64 image source"),
+            },
+            _ => panic!("Expected Image chunk"),
+        }
+
+        match &claude_content[2] {
+            ContentChunk::Text { text } => {
+                assert!(text.contains("example.rs"));
+                assert!(text.contains("file:///path/to/example.rs"));
+            }
+            _ => panic!("Expected Text chunk for ResourceLink"),
+        }
+
+        match &claude_content[3] {
+            ContentChunk::Text { text } => {
+                assert!(text.contains("code.rs"));
+                assert!(text.contains("file:///path/to/code.rs"));
+            }
+            _ => panic!("Expected Text chunk for Resource"),
+        }
+
+        match &claude_content[4] {
+            ContentChunk::Text { text } => {
+                assert_eq!(text, "invalid_uri_format");
+            }
+            _ => panic!("Expected Text chunk for invalid URI"),
+        }
+
+        match &claude_content[5] {
+            ContentChunk::Text { text } => {
+                assert!(text.contains("<context ref=\"file:///path/to/code.rs\">"));
+                assert!(text.contains("fn main() { println!(\"Hello!\"); }"));
+                assert!(text.contains("</context>"));
+            }
+            _ => panic!("Expected Text chunk for context"),
+        }
+    }
 }
diff --git a/crates/agent_servers/src/claude/edit_tool.rs b/crates/agent_servers/src/claude/edit_tool.rs
new file mode 100644
index 0000000000..a8d93c3f3d
--- /dev/null
+++ b/crates/agent_servers/src/claude/edit_tool.rs
@@ -0,0 +1,178 @@
+use acp_thread::AcpThread;
+use anyhow::Result;
+use context_server::{
+    listener::{McpServerTool, ToolResponse},
+    types::{ToolAnnotations, ToolResponseContent},
+};
+use gpui::{AsyncApp, WeakEntity};
+use language::unified_diff;
+use util::markdown::MarkdownCodeBlock;
+
+use crate::tools::EditToolParams;
+
+#[derive(Clone)]
+pub struct EditTool {
+    thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
+}
+
+impl EditTool {
+    pub fn new(thread_rx: watch::Receiver<WeakEntity<AcpThread>>) -> Self {
+        Self { thread_rx }
+    }
+}
+
+impl McpServerTool for EditTool {
+    type Input = EditToolParams;
+    type Output = ();
+
+    const NAME: &'static str = "Edit";
+
+    fn annotations(&self) -> ToolAnnotations {
+        ToolAnnotations {
+            title: Some("Edit file".to_string()),
+            read_only_hint: Some(false),
+            destructive_hint: Some(false),
+            open_world_hint: Some(false),
+            idempotent_hint: Some(false),
+        }
+    }
+
+    async fn run(
+        &self,
+        input: Self::Input,
+        cx: &mut AsyncApp,
+    ) -> Result<ToolResponse<Self::Output>> {
+        let mut thread_rx = self.thread_rx.clone();
+        let Some(thread) = thread_rx.recv().await?.upgrade() else {
+            anyhow::bail!("Thread closed");
+        };
+
+        let content = thread
+            .update(cx, |thread, cx| {
+                thread.read_text_file(input.abs_path.clone(), None, None, true, cx)
+            })?
+            .await?;
+
+        let (new_content, diff) = cx
+            .background_executor()
+            .spawn(async move {
+                let new_content = content.replace(&input.old_text, &input.new_text);
+                if new_content == content {
+                    return Err(anyhow::anyhow!("Failed to find `old_text`",));
+                }
+                let diff = unified_diff(&content, &new_content);
+
+                Ok((new_content, diff))
+            })
+            .await?;
+
+        thread
+            .update(cx, |thread, cx| {
+                thread.write_text_file(input.abs_path, new_content, cx)
+            })?
+            .await?;
+
+        Ok(ToolResponse {
+            content: vec![ToolResponseContent::Text {
+                text: MarkdownCodeBlock {
+                    tag: "diff",
+                    text: diff.as_str().trim_end_matches('\n'),
+                }
+                .to_string(),
+            }],
+            structured_content: (),
+        })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::rc::Rc;
+
+    use acp_thread::{AgentConnection, StubAgentConnection};
+    use gpui::{Entity, TestAppContext};
+    use indoc::indoc;
+    use project::{FakeFs, Project};
+    use serde_json::json;
+    use settings::SettingsStore;
+    use util::path;
+
+    use super::*;
+
+    #[gpui::test]
+    async fn old_text_not_found(cx: &mut TestAppContext) {
+        let (_thread, tool) = init_test(cx).await;
+
+        let result = tool
+            .run(
+                EditToolParams {
+                    abs_path: path!("/root/file.txt").into(),
+                    old_text: "hi".into(),
+                    new_text: "bye".into(),
+                },
+                &mut cx.to_async(),
+            )
+            .await;
+
+        assert_eq!(result.unwrap_err().to_string(), "Failed to find `old_text`");
+    }
+
+    #[gpui::test]
+    async fn found_and_replaced(cx: &mut TestAppContext) {
+        let (_thread, tool) = init_test(cx).await;
+
+        let result = tool
+            .run(
+                EditToolParams {
+                    abs_path: path!("/root/file.txt").into(),
+                    old_text: "hello".into(),
+                    new_text: "hi".into(),
+                },
+                &mut cx.to_async(),
+            )
+            .await;
+
+        assert_eq!(
+            result.unwrap().content[0].text().unwrap(),
+            indoc! {
+                r"
+                ```diff
+                @@ -1,1 +1,1 @@
+                -hello
+                +hi
+                ```
+                "
+            }
+        );
+    }
+
+    async fn init_test(cx: &mut TestAppContext) -> (Entity<AcpThread>, EditTool) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            Project::init_settings(cx);
+        });
+
+        let connection = Rc::new(StubAgentConnection::new());
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/root"),
+            json!({
+                "file.txt": "hello"
+            }),
+        )
+        .await;
+        let project = Project::test(fs, [path!("/root").as_ref()], cx).await;
+        let (mut thread_tx, thread_rx) = watch::channel(WeakEntity::new_invalid());
+
+        let thread = cx
+            .update(|cx| connection.new_thread(project, path!("/test").as_ref(), cx))
+            .await
+            .unwrap();
+
+        thread_tx.send(thread.downgrade()).unwrap();
+
+        (thread, EditTool::new(thread_rx))
+    }
+}
diff --git a/crates/agent_servers/src/claude/mcp_server.rs b/crates/agent_servers/src/claude/mcp_server.rs
index cc303016f1..6442c784b5 100644
--- a/crates/agent_servers/src/claude/mcp_server.rs
+++ b/crates/agent_servers/src/claude/mcp_server.rs
@@ -1,18 +1,22 @@
 use std::path::PathBuf;
+use std::sync::Arc;
 
-use crate::claude::tools::{ClaudeTool, EditToolParams, ReadToolParams};
+use crate::claude::edit_tool::EditTool;
+use crate::claude::permission_tool::PermissionTool;
+use crate::claude::read_tool::ReadTool;
+use crate::claude::write_tool::WriteTool;
 use acp_thread::AcpThread;
-use agent_client_protocol as acp;
-use anyhow::{Context, Result};
+#[cfg(not(test))]
+use anyhow::Context as _;
+use anyhow::Result;
 use collections::HashMap;
-use context_server::listener::{McpServerTool, ToolResponse};
 use context_server::types::{
     Implementation, InitializeParams, InitializeResponse, ProtocolVersion, ServerCapabilities,
-    ToolAnnotations, ToolResponseContent, ToolsCapabilities, requests,
+    ToolsCapabilities, requests,
 };
 use gpui::{App, AsyncApp, Task, WeakEntity};
-use schemars::JsonSchema;
-use serde::{Deserialize, Serialize};
+use project::Fs;
+use serde::Serialize;
 
 pub struct ClaudeZedMcpServer {
     server: context_server::listener::McpServer,
@@ -23,20 +27,16 @@ pub const SERVER_NAME: &str = "zed";
 impl ClaudeZedMcpServer {
     pub async fn new(
         thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
+        fs: Arc<dyn Fs>,
         cx: &AsyncApp,
     ) -> Result<Self> {
         let mut mcp_server = context_server::listener::McpServer::new(cx).await?;
         mcp_server.handle_request::<requests::Initialize>(Self::handle_initialize);
 
-        mcp_server.add_tool(PermissionTool {
-            thread_rx: thread_rx.clone(),
-        });
-        mcp_server.add_tool(ReadTool {
-            thread_rx: thread_rx.clone(),
-        });
-        mcp_server.add_tool(EditTool {
-            thread_rx: thread_rx.clone(),
-        });
+        mcp_server.add_tool(PermissionTool::new(fs.clone(), thread_rx.clone()));
+        mcp_server.add_tool(ReadTool::new(thread_rx.clone()));
+        mcp_server.add_tool(EditTool::new(thread_rx.clone()));
+        mcp_server.add_tool(WriteTool::new(thread_rx.clone()));
 
         Ok(Self { server: mcp_server })
     }
@@ -97,206 +97,3 @@ pub struct McpServerConfig {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub env: Option<HashMap<String, String>>,
 }
-
-// Tools
-
-#[derive(Clone)]
-pub struct PermissionTool {
-    thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
-}
-
-#[derive(Deserialize, JsonSchema, Debug)]
-pub struct PermissionToolParams {
-    tool_name: String,
-    input: serde_json::Value,
-    tool_use_id: Option<String>,
-}
-
-#[derive(Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct PermissionToolResponse {
-    behavior: PermissionToolBehavior,
-    updated_input: serde_json::Value,
-}
-
-#[derive(Serialize)]
-#[serde(rename_all = "snake_case")]
-enum PermissionToolBehavior {
-    Allow,
-    Deny,
-}
-
-impl McpServerTool for PermissionTool {
-    type Input = PermissionToolParams;
-    type Output = ();
-
-    const NAME: &'static str = "Confirmation";
-
-    fn description(&self) -> &'static str {
-        "Request permission for tool calls"
-    }
-
-    async fn run(
-        &self,
-        input: Self::Input,
-        cx: &mut AsyncApp,
-    ) -> Result<ToolResponse<Self::Output>> {
-        let mut thread_rx = self.thread_rx.clone();
-        let Some(thread) = thread_rx.recv().await?.upgrade() else {
-            anyhow::bail!("Thread closed");
-        };
-
-        let claude_tool = ClaudeTool::infer(&input.tool_name, input.input.clone());
-        let tool_call_id = acp::ToolCallId(input.tool_use_id.context("Tool ID required")?.into());
-        let allow_option_id = acp::PermissionOptionId("allow".into());
-        let reject_option_id = acp::PermissionOptionId("reject".into());
-
-        let chosen_option = thread
-            .update(cx, |thread, cx| {
-                thread.request_tool_call_permission(
-                    claude_tool.as_acp(tool_call_id),
-                    vec![
-                        acp::PermissionOption {
-                            id: allow_option_id.clone(),
-                            label: "Allow".into(),
-                            kind: acp::PermissionOptionKind::AllowOnce,
-                        },
-                        acp::PermissionOption {
-                            id: reject_option_id.clone(),
-                            label: "Reject".into(),
-                            kind: acp::PermissionOptionKind::RejectOnce,
-                        },
-                    ],
-                    cx,
-                )
-            })?
-            .await?;
-
-        let response = if chosen_option == allow_option_id {
-            PermissionToolResponse {
-                behavior: PermissionToolBehavior::Allow,
-                updated_input: input.input,
-            }
-        } else {
-            debug_assert_eq!(chosen_option, reject_option_id);
-            PermissionToolResponse {
-                behavior: PermissionToolBehavior::Deny,
-                updated_input: input.input,
-            }
-        };
-
-        Ok(ToolResponse {
-            content: vec![ToolResponseContent::Text {
-                text: serde_json::to_string(&response)?,
-            }],
-            structured_content: (),
-        })
-    }
-}
-
-#[derive(Clone)]
-pub struct ReadTool {
-    thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
-}
-
-impl McpServerTool for ReadTool {
-    type Input = ReadToolParams;
-    type Output = ();
-
-    const NAME: &'static str = "Read";
-
-    fn description(&self) -> &'static str {
-        "Read the contents of a file. In sessions with mcp__zed__Read always use it instead of Read as it contains the most up-to-date contents."
-    }
-
-    fn annotations(&self) -> ToolAnnotations {
-        ToolAnnotations {
-            title: Some("Read file".to_string()),
-            read_only_hint: Some(true),
-            destructive_hint: Some(false),
-            open_world_hint: Some(false),
-            idempotent_hint: None,
-        }
-    }
-
-    async fn run(
-        &self,
-        input: Self::Input,
-        cx: &mut AsyncApp,
-    ) -> Result<ToolResponse<Self::Output>> {
-        let mut thread_rx = self.thread_rx.clone();
-        let Some(thread) = thread_rx.recv().await?.upgrade() else {
-            anyhow::bail!("Thread closed");
-        };
-
-        let content = thread
-            .update(cx, |thread, cx| {
-                thread.read_text_file(input.abs_path, input.offset, input.limit, false, cx)
-            })?
-            .await?;
-
-        Ok(ToolResponse {
-            content: vec![ToolResponseContent::Text { text: content }],
-            structured_content: (),
-        })
-    }
-}
-
-#[derive(Clone)]
-pub struct EditTool {
-    thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
-}
-
-impl McpServerTool for EditTool {
-    type Input = EditToolParams;
-    type Output = ();
-
-    const NAME: &'static str = "Edit";
-
-    fn description(&self) -> &'static str {
-        "Edits a file. In sessions with mcp__zed__Edit always use it instead of Edit as it will show the diff to the user better."
-    }
-
-    fn annotations(&self) -> ToolAnnotations {
-        ToolAnnotations {
-            title: Some("Edit file".to_string()),
-            read_only_hint: Some(false),
-            destructive_hint: Some(false),
-            open_world_hint: Some(false),
-            idempotent_hint: Some(false),
-        }
-    }
-
-    async fn run(
-        &self,
-        input: Self::Input,
-        cx: &mut AsyncApp,
-    ) -> Result<ToolResponse<Self::Output>> {
-        let mut thread_rx = self.thread_rx.clone();
-        let Some(thread) = thread_rx.recv().await?.upgrade() else {
-            anyhow::bail!("Thread closed");
-        };
-
-        let content = thread
-            .update(cx, |thread, cx| {
-                thread.read_text_file(input.abs_path.clone(), None, None, true, cx)
-            })?
-            .await?;
-
-        let new_content = content.replace(&input.old_text, &input.new_text);
-        if new_content == content {
-            return Err(anyhow::anyhow!("The old_text was not found in the content"));
-        }
-
-        thread
-            .update(cx, |thread, cx| {
-                thread.write_text_file(input.abs_path, new_content, cx)
-            })?
-            .await?;
-
-        Ok(ToolResponse {
-            content: vec![],
-            structured_content: (),
-        })
-    }
-}
diff --git a/crates/agent_servers/src/claude/permission_tool.rs b/crates/agent_servers/src/claude/permission_tool.rs
new file mode 100644
index 0000000000..96a24105e8
--- /dev/null
+++ b/crates/agent_servers/src/claude/permission_tool.rs
@@ -0,0 +1,158 @@
+use std::sync::Arc;
+
+use acp_thread::AcpThread;
+use agent_client_protocol as acp;
+use agent_settings::AgentSettings;
+use anyhow::{Context as _, Result};
+use context_server::{
+    listener::{McpServerTool, ToolResponse},
+    types::ToolResponseContent,
+};
+use gpui::{AsyncApp, WeakEntity};
+use project::Fs;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use settings::{Settings as _, update_settings_file};
+use util::debug_panic;
+
+use crate::tools::ClaudeTool;
+
+#[derive(Clone)]
+pub struct PermissionTool {
+    fs: Arc<dyn Fs>,
+    thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
+}
+
+/// Request permission for tool calls
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct PermissionToolParams {
+    tool_name: String,
+    input: serde_json::Value,
+    tool_use_id: Option<String>,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct PermissionToolResponse {
+    behavior: PermissionToolBehavior,
+    updated_input: serde_json::Value,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "snake_case")]
+enum PermissionToolBehavior {
+    Allow,
+    Deny,
+}
+
+impl PermissionTool {
+    pub fn new(fs: Arc<dyn Fs>, thread_rx: watch::Receiver<WeakEntity<AcpThread>>) -> Self {
+        Self { fs, thread_rx }
+    }
+}
+
+impl McpServerTool for PermissionTool {
+    type Input = PermissionToolParams;
+    type Output = ();
+
+    const NAME: &'static str = "Confirmation";
+
+    async fn run(
+        &self,
+        input: Self::Input,
+        cx: &mut AsyncApp,
+    ) -> Result<ToolResponse<Self::Output>> {
+        if agent_settings::AgentSettings::try_read_global(cx, |settings| {
+            settings.always_allow_tool_actions
+        })
+        .unwrap_or(false)
+        {
+            let response = PermissionToolResponse {
+                behavior: PermissionToolBehavior::Allow,
+                updated_input: input.input,
+            };
+
+            return Ok(ToolResponse {
+                content: vec![ToolResponseContent::Text {
+                    text: serde_json::to_string(&response)?,
+                }],
+                structured_content: (),
+            });
+        }
+
+        let mut thread_rx = self.thread_rx.clone();
+        let Some(thread) = thread_rx.recv().await?.upgrade() else {
+            anyhow::bail!("Thread closed");
+        };
+
+        let claude_tool = ClaudeTool::infer(&input.tool_name, input.input.clone());
+        let tool_call_id = acp::ToolCallId(input.tool_use_id.context("Tool ID required")?.into());
+
+        const ALWAYS_ALLOW: &str = "always_allow";
+        const ALLOW: &str = "allow";
+        const REJECT: &str = "reject";
+
+        let chosen_option = thread
+            .update(cx, |thread, cx| {
+                thread.request_tool_call_authorization(
+                    claude_tool.as_acp(tool_call_id).into(),
+                    vec![
+                        acp::PermissionOption {
+                            id: acp::PermissionOptionId(ALWAYS_ALLOW.into()),
+                            name: "Always Allow".into(),
+                            kind: acp::PermissionOptionKind::AllowAlways,
+                        },
+                        acp::PermissionOption {
+                            id: acp::PermissionOptionId(ALLOW.into()),
+                            name: "Allow".into(),
+                            kind: acp::PermissionOptionKind::AllowOnce,
+                        },
+                        acp::PermissionOption {
+                            id: acp::PermissionOptionId(REJECT.into()),
+                            name: "Reject".into(),
+                            kind: acp::PermissionOptionKind::RejectOnce,
+                        },
+                    ],
+                    cx,
+                )
+            })??
+            .await?;
+
+        let response = match chosen_option.0.as_ref() {
+            ALWAYS_ALLOW => {
+                cx.update(|cx| {
+                    update_settings_file::<AgentSettings>(self.fs.clone(), cx, |settings, _| {
+                        settings.set_always_allow_tool_actions(true);
+                    });
+                })?;
+
+                PermissionToolResponse {
+                    behavior: PermissionToolBehavior::Allow,
+                    updated_input: input.input,
+                }
+            }
+            ALLOW => PermissionToolResponse {
+                behavior: PermissionToolBehavior::Allow,
+                updated_input: input.input,
+            },
+            REJECT => PermissionToolResponse {
+                behavior: PermissionToolBehavior::Deny,
+                updated_input: input.input,
+            },
+            opt => {
+                debug_panic!("Unexpected option: {}", opt);
+                PermissionToolResponse {
+                    behavior: PermissionToolBehavior::Deny,
+                    updated_input: input.input,
+                }
+            }
+        };
+
+        Ok(ToolResponse {
+            content: vec![ToolResponseContent::Text {
+                text: serde_json::to_string(&response)?,
+            }],
+            structured_content: (),
+        })
+    }
+}
diff --git a/crates/agent_servers/src/claude/read_tool.rs b/crates/agent_servers/src/claude/read_tool.rs
new file mode 100644
index 0000000000..cbe25876b3
--- /dev/null
+++ b/crates/agent_servers/src/claude/read_tool.rs
@@ -0,0 +1,59 @@
+use acp_thread::AcpThread;
+use anyhow::Result;
+use context_server::{
+    listener::{McpServerTool, ToolResponse},
+    types::{ToolAnnotations, ToolResponseContent},
+};
+use gpui::{AsyncApp, WeakEntity};
+
+use crate::tools::ReadToolParams;
+
+#[derive(Clone)]
+pub struct ReadTool {
+    thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
+}
+
+impl ReadTool {
+    pub fn new(thread_rx: watch::Receiver<WeakEntity<AcpThread>>) -> Self {
+        Self { thread_rx }
+    }
+}
+
+impl McpServerTool for ReadTool {
+    type Input = ReadToolParams;
+    type Output = ();
+
+    const NAME: &'static str = "Read";
+
+    fn annotations(&self) -> ToolAnnotations {
+        ToolAnnotations {
+            title: Some("Read file".to_string()),
+            read_only_hint: Some(true),
+            destructive_hint: Some(false),
+            open_world_hint: Some(false),
+            idempotent_hint: None,
+        }
+    }
+
+    async fn run(
+        &self,
+        input: Self::Input,
+        cx: &mut AsyncApp,
+    ) -> Result<ToolResponse<Self::Output>> {
+        let mut thread_rx = self.thread_rx.clone();
+        let Some(thread) = thread_rx.recv().await?.upgrade() else {
+            anyhow::bail!("Thread closed");
+        };
+
+        let content = thread
+            .update(cx, |thread, cx| {
+                thread.read_text_file(input.abs_path, input.offset, input.limit, false, cx)
+            })?
+            .await?;
+
+        Ok(ToolResponse {
+            content: vec![ToolResponseContent::Text { text: content }],
+            structured_content: (),
+        })
+    }
+}
diff --git a/crates/agent_servers/src/claude/tools.rs b/crates/agent_servers/src/claude/tools.rs
index 6acb6355aa..3231903001 100644
--- a/crates/agent_servers/src/claude/tools.rs
+++ b/crates/agent_servers/src/claude/tools.rs
@@ -34,6 +34,7 @@ impl ClaudeTool {
             // Known tools
             "mcp__zed__Read" => Self::ReadFile(serde_json::from_value(input).log_err()),
             "mcp__zed__Edit" => Self::Edit(serde_json::from_value(input).log_err()),
+            "mcp__zed__Write" => Self::Write(serde_json::from_value(input).log_err()),
             "MultiEdit" => Self::MultiEdit(serde_json::from_value(input).log_err()),
             "Write" => Self::Write(serde_json::from_value(input).log_err()),
             "LS" => Self::Ls(serde_json::from_value(input).log_err()),
@@ -57,7 +58,7 @@ impl ClaudeTool {
                     Self::Terminal(None)
                 } else {
                     Self::Other {
-                        name: tool_name.to_string(),
+                        name: tool_name,
                         input,
                     }
                 }
@@ -93,7 +94,7 @@ impl ClaudeTool {
             }
             Self::MultiEdit(None) => "Multi Edit".into(),
             Self::Write(Some(params)) => {
-                format!("Write {}", params.file_path.display())
+                format!("Write {}", params.abs_path.display())
             }
             Self::Write(None) => "Write".into(),
             Self::Glob(Some(params)) => {
@@ -143,25 +144,6 @@ impl ClaudeTool {
             Self::Grep(Some(params)) => vec![format!("`{params}`").into()],
             Self::WebFetch(Some(params)) => vec![params.prompt.clone().into()],
             Self::WebSearch(Some(params)) => vec![params.to_string().into()],
-            Self::TodoWrite(Some(params)) => vec![
-                params
-                    .todos
-                    .iter()
-                    .map(|todo| {
-                        format!(
-                            "- {} {}: {}",
-                            match todo.status {
-                                TodoStatus::Completed => "✅",
-                                TodoStatus::InProgress => "🚧",
-                                TodoStatus::Pending => "⬜",
-                            },
-                            todo.priority,
-                            todo.content
-                        )
-                    })
-                    .join("\n")
-                    .into(),
-            ],
             Self::ExitPlanMode(Some(params)) => vec![params.plan.clone().into()],
             Self::Edit(Some(params)) => vec![acp::ToolCallContent::Diff {
                 diff: acp::Diff {
@@ -172,7 +154,7 @@ impl ClaudeTool {
             }],
             Self::Write(Some(params)) => vec![acp::ToolCallContent::Diff {
                 diff: acp::Diff {
-                    path: params.file_path.clone(),
+                    path: params.abs_path.clone(),
                     old_text: None,
                     new_text: params.content.clone(),
                 },
@@ -193,6 +175,10 @@ impl ClaudeTool {
                     })
                     .unwrap_or_default()
             }
+            Self::TodoWrite(Some(_)) => {
+                // These are mapped to plan updates later
+                vec![]
+            }
             Self::Task(None)
             | Self::NotebookRead(None)
             | Self::NotebookEdit(None)
@@ -244,7 +230,10 @@ impl ClaudeTool {
                     line: None,
                 }]
             }
-            Self::Write(Some(WriteToolParams { file_path, .. })) => {
+            Self::Write(Some(WriteToolParams {
+                abs_path: file_path,
+                ..
+            })) => {
                 vec![acp::ToolCallLocation {
                     path: file_path.clone(),
                     line: None,
@@ -308,14 +297,29 @@ impl ClaudeTool {
             id,
             kind: self.kind(),
             status: acp::ToolCallStatus::InProgress,
-            label: self.label(),
+            title: self.label(),
             content: self.content(),
             locations: self.locations(),
             raw_input: None,
+            raw_output: None,
         }
     }
 }
 
+/// Edit a file.
+///
+/// In sessions with mcp__zed__Edit always use it instead of Edit as it will
+/// allow the user to conveniently review changes.
+///
+/// File editing instructions:
+/// - The `old_text` param must match existing file content, including indentation.
+/// - The `old_text` param must come from the actual file, not an outline.
+/// - The `old_text` section must not be empty.
+/// - Be minimal with replacements:
+///     - For unique lines, include only those lines.
+///     - For non-unique lines, include enough context to identify them.
+/// - Do not escape quotes, newlines, or other characters.
+/// - Only edit the specified file.
 #[derive(Deserialize, JsonSchema, Debug)]
 pub struct EditToolParams {
     /// The absolute path to the file to read.
@@ -326,6 +330,11 @@ pub struct EditToolParams {
     pub new_text: String,
 }
 
+/// Reads the content of the given file in the project.
+///
+/// Never attempt to read a path that hasn't been previously mentioned.
+///
+/// In sessions with mcp__zed__Read always use it instead of Read as it contains the most up-to-date contents.
 #[derive(Deserialize, JsonSchema, Debug)]
 pub struct ReadToolParams {
     /// The absolute path to the file to read.
@@ -338,11 +347,15 @@ pub struct ReadToolParams {
     pub limit: Option<u32>,
 }
 
+/// Writes content to the specified file in the project.
+///
+/// In sessions with mcp__zed__Write always use it instead of Write as it will
+/// allow the user to conveniently review changes.
 #[derive(Deserialize, JsonSchema, Debug)]
 pub struct WriteToolParams {
-    /// Absolute path for new file
-    pub file_path: PathBuf,
-    /// File content
+    /// The absolute path of the file to write.
+    pub abs_path: PathBuf,
+    /// The full content to write.
     pub content: String,
 }
 
@@ -488,10 +501,11 @@ impl std::fmt::Display for GrepToolParams {
     }
 }
 
-#[derive(Deserialize, Serialize, JsonSchema, strum::Display, Debug)]
+#[derive(Default, Deserialize, Serialize, JsonSchema, strum::Display, Debug)]
 #[serde(rename_all = "snake_case")]
 pub enum TodoPriority {
     High,
+    #[default]
     Medium,
     Low,
 }
@@ -526,14 +540,13 @@ impl Into<acp::PlanEntryStatus> for TodoStatus {
 
 #[derive(Deserialize, Serialize, JsonSchema, Debug)]
 pub struct Todo {
-    /// Unique identifier
-    pub id: String,
     /// Task description
     pub content: String,
-    /// Priority level of the todo
-    pub priority: TodoPriority,
     /// Current status of the todo
     pub status: TodoStatus,
+    /// Priority level of the todo
+    #[serde(default)]
+    pub priority: TodoPriority,
 }
 
 impl Into<acp::PlanEntry> for Todo {
diff --git a/crates/agent_servers/src/claude/write_tool.rs b/crates/agent_servers/src/claude/write_tool.rs
new file mode 100644
index 0000000000..39479a9c38
--- /dev/null
+++ b/crates/agent_servers/src/claude/write_tool.rs
@@ -0,0 +1,59 @@
+use acp_thread::AcpThread;
+use anyhow::Result;
+use context_server::{
+    listener::{McpServerTool, ToolResponse},
+    types::ToolAnnotations,
+};
+use gpui::{AsyncApp, WeakEntity};
+
+use crate::tools::WriteToolParams;
+
+#[derive(Clone)]
+pub struct WriteTool {
+    thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
+}
+
+impl WriteTool {
+    pub fn new(thread_rx: watch::Receiver<WeakEntity<AcpThread>>) -> Self {
+        Self { thread_rx }
+    }
+}
+
+impl McpServerTool for WriteTool {
+    type Input = WriteToolParams;
+    type Output = ();
+
+    const NAME: &'static str = "Write";
+
+    fn annotations(&self) -> ToolAnnotations {
+        ToolAnnotations {
+            title: Some("Write file".to_string()),
+            read_only_hint: Some(false),
+            destructive_hint: Some(false),
+            open_world_hint: Some(false),
+            idempotent_hint: Some(false),
+        }
+    }
+
+    async fn run(
+        &self,
+        input: Self::Input,
+        cx: &mut AsyncApp,
+    ) -> Result<ToolResponse<Self::Output>> {
+        let mut thread_rx = self.thread_rx.clone();
+        let Some(thread) = thread_rx.recv().await?.upgrade() else {
+            anyhow::bail!("Thread closed");
+        };
+
+        thread
+            .update(cx, |thread, cx| {
+                thread.write_text_file(input.abs_path, input.content, cx)
+            })?
+            .await?;
+
+        Ok(ToolResponse {
+            content: vec![],
+            structured_content: (),
+        })
+    }
+}
diff --git a/crates/agent_servers/src/codex.rs b/crates/agent_servers/src/codex.rs
deleted file mode 100644
index 712c333221..0000000000
--- a/crates/agent_servers/src/codex.rs
+++ /dev/null
@@ -1,319 +0,0 @@
-use agent_client_protocol as acp;
-use anyhow::anyhow;
-use collections::HashMap;
-use context_server::listener::McpServerTool;
-use context_server::types::requests;
-use context_server::{ContextServer, ContextServerCommand, ContextServerId};
-use futures::channel::{mpsc, oneshot};
-use project::Project;
-use settings::SettingsStore;
-use smol::stream::StreamExt as _;
-use std::cell::RefCell;
-use std::rc::Rc;
-use std::{path::Path, sync::Arc};
-use util::ResultExt;
-
-use anyhow::{Context, Result};
-use gpui::{App, AppContext as _, AsyncApp, Entity, Task, WeakEntity};
-
-use crate::mcp_server::ZedMcpServer;
-use crate::{AgentServer, AgentServerCommand, AllAgentServersSettings, mcp_server};
-use acp_thread::{AcpThread, AgentConnection};
-
-#[derive(Clone)]
-pub struct Codex;
-
-impl AgentServer for Codex {
-    fn name(&self) -> &'static str {
-        "Codex"
-    }
-
-    fn empty_state_headline(&self) -> &'static str {
-        "Welcome to Codex"
-    }
-
-    fn empty_state_message(&self) -> &'static str {
-        "What can I help with?"
-    }
-
-    fn logo(&self) -> ui::IconName {
-        ui::IconName::AiOpenAi
-    }
-
-    fn connect(
-        &self,
-        _root_dir: &Path,
-        project: &Entity<Project>,
-        cx: &mut App,
-    ) -> Task<Result<Rc<dyn AgentConnection>>> {
-        let project = project.clone();
-        let working_directory = project.read(cx).active_project_directory(cx);
-        cx.spawn(async move |cx| {
-            let settings = cx.read_global(|settings: &SettingsStore, _| {
-                settings.get::<AllAgentServersSettings>(None).codex.clone()
-            })?;
-
-            let Some(command) =
-                AgentServerCommand::resolve("codex", &["mcp"], settings, &project, cx).await
-            else {
-                anyhow::bail!("Failed to find codex binary");
-            };
-
-            let client: Arc<ContextServer> = ContextServer::stdio(
-                ContextServerId("codex-mcp-server".into()),
-                ContextServerCommand {
-                    path: command.path,
-                    args: command.args,
-                    env: command.env,
-                },
-                working_directory,
-            )
-            .into();
-            ContextServer::start(client.clone(), cx).await?;
-
-            let (notification_tx, mut notification_rx) = mpsc::unbounded();
-            client
-                .client()
-                .context("Failed to subscribe")?
-                .on_notification(acp::SESSION_UPDATE_METHOD_NAME, {
-                    move |notification, _cx| {
-                        let notification_tx = notification_tx.clone();
-                        log::trace!(
-                            "ACP Notification: {}",
-                            serde_json::to_string_pretty(&notification).unwrap()
-                        );
-
-                        if let Some(notification) =
-                            serde_json::from_value::<acp::SessionNotification>(notification)
-                                .log_err()
-                        {
-                            notification_tx.unbounded_send(notification).ok();
-                        }
-                    }
-                });
-
-            let sessions = Rc::new(RefCell::new(HashMap::default()));
-
-            let notification_handler_task = cx.spawn({
-                let sessions = sessions.clone();
-                async move |cx| {
-                    while let Some(notification) = notification_rx.next().await {
-                        CodexConnection::handle_session_notification(
-                            notification,
-                            sessions.clone(),
-                            cx,
-                        )
-                    }
-                }
-            });
-
-            let connection = CodexConnection {
-                client,
-                sessions,
-                _notification_handler_task: notification_handler_task,
-            };
-            Ok(Rc::new(connection) as _)
-        })
-    }
-}
-
-struct CodexConnection {
-    client: Arc<context_server::ContextServer>,
-    sessions: Rc<RefCell<HashMap<acp::SessionId, CodexSession>>>,
-    _notification_handler_task: Task<()>,
-}
-
-struct CodexSession {
-    thread: WeakEntity<AcpThread>,
-    cancel_tx: Option<oneshot::Sender<()>>,
-    _mcp_server: ZedMcpServer,
-}
-
-impl AgentConnection for CodexConnection {
-    fn name(&self) -> &'static str {
-        "Codex"
-    }
-
-    fn new_thread(
-        self: Rc<Self>,
-        project: Entity<Project>,
-        cwd: &Path,
-        cx: &mut AsyncApp,
-    ) -> Task<Result<Entity<AcpThread>>> {
-        let client = self.client.client();
-        let sessions = self.sessions.clone();
-        let cwd = cwd.to_path_buf();
-        cx.spawn(async move |cx| {
-            let client = client.context("MCP server is not initialized yet")?;
-            let (mut thread_tx, thread_rx) = watch::channel(WeakEntity::new_invalid());
-
-            let mcp_server = ZedMcpServer::new(thread_rx, cx).await?;
-
-            let response = client
-                .request::<requests::CallTool>(context_server::types::CallToolParams {
-                    name: acp::NEW_SESSION_TOOL_NAME.into(),
-                    arguments: Some(serde_json::to_value(acp::NewSessionArguments {
-                        mcp_servers: [(
-                            mcp_server::SERVER_NAME.to_string(),
-                            mcp_server.server_config()?,
-                        )]
-                        .into(),
-                        client_tools: acp::ClientTools {
-                            request_permission: Some(acp::McpToolId {
-                                mcp_server: mcp_server::SERVER_NAME.into(),
-                                tool_name: mcp_server::RequestPermissionTool::NAME.into(),
-                            }),
-                            read_text_file: Some(acp::McpToolId {
-                                mcp_server: mcp_server::SERVER_NAME.into(),
-                                tool_name: mcp_server::ReadTextFileTool::NAME.into(),
-                            }),
-                            write_text_file: Some(acp::McpToolId {
-                                mcp_server: mcp_server::SERVER_NAME.into(),
-                                tool_name: mcp_server::WriteTextFileTool::NAME.into(),
-                            }),
-                        },
-                        cwd,
-                    })?),
-                    meta: None,
-                })
-                .await?;
-
-            if response.is_error.unwrap_or_default() {
-                return Err(anyhow!(response.text_contents()));
-            }
-
-            let result = serde_json::from_value::<acp::NewSessionOutput>(
-                response.structured_content.context("Empty response")?,
-            )?;
-
-            let thread =
-                cx.new(|cx| AcpThread::new(self.clone(), project, result.session_id.clone(), cx))?;
-
-            thread_tx.send(thread.downgrade())?;
-
-            let session = CodexSession {
-                thread: thread.downgrade(),
-                cancel_tx: None,
-                _mcp_server: mcp_server,
-            };
-            sessions.borrow_mut().insert(result.session_id, session);
-
-            Ok(thread)
-        })
-    }
-
-    fn authenticate(&self, _cx: &mut App) -> Task<Result<()>> {
-        Task::ready(Err(anyhow!("Authentication not supported")))
-    }
-
-    fn prompt(
-        &self,
-        params: agent_client_protocol::PromptArguments,
-        cx: &mut App,
-    ) -> Task<Result<()>> {
-        let client = self.client.client();
-        let sessions = self.sessions.clone();
-
-        cx.foreground_executor().spawn(async move {
-            let client = client.context("MCP server is not initialized yet")?;
-
-            let (new_cancel_tx, cancel_rx) = oneshot::channel();
-            {
-                let mut sessions = sessions.borrow_mut();
-                let session = sessions
-                    .get_mut(&params.session_id)
-                    .context("Session not found")?;
-                session.cancel_tx.replace(new_cancel_tx);
-            }
-
-            let result = client
-                .request_with::<requests::CallTool>(
-                    context_server::types::CallToolParams {
-                        name: acp::PROMPT_TOOL_NAME.into(),
-                        arguments: Some(serde_json::to_value(params)?),
-                        meta: None,
-                    },
-                    Some(cancel_rx),
-                    None,
-                )
-                .await;
-
-            if let Err(err) = &result
-                && err.is::<context_server::client::RequestCanceled>()
-            {
-                return Ok(());
-            }
-
-            let response = result?;
-
-            if response.is_error.unwrap_or_default() {
-                return Err(anyhow!(response.text_contents()));
-            }
-
-            Ok(())
-        })
-    }
-
-    fn cancel(&self, session_id: &agent_client_protocol::SessionId, _cx: &mut App) {
-        let mut sessions = self.sessions.borrow_mut();
-
-        if let Some(cancel_tx) = sessions
-            .get_mut(session_id)
-            .and_then(|session| session.cancel_tx.take())
-        {
-            cancel_tx.send(()).ok();
-        }
-    }
-}
-
-impl CodexConnection {
-    pub fn handle_session_notification(
-        notification: acp::SessionNotification,
-        threads: Rc<RefCell<HashMap<acp::SessionId, CodexSession>>>,
-        cx: &mut AsyncApp,
-    ) {
-        let threads = threads.borrow();
-        let Some(thread) = threads
-            .get(&notification.session_id)
-            .and_then(|session| session.thread.upgrade())
-        else {
-            log::error!(
-                "Thread not found for session ID: {}",
-                notification.session_id
-            );
-            return;
-        };
-
-        thread
-            .update(cx, |thread, cx| {
-                thread.handle_session_update(notification.update, cx)
-            })
-            .log_err();
-    }
-}
-
-impl Drop for CodexConnection {
-    fn drop(&mut self) {
-        self.client.stop().log_err();
-    }
-}
-
-#[cfg(test)]
-pub(crate) mod tests {
-    use super::*;
-    use crate::AgentServerCommand;
-    use std::path::Path;
-
-    crate::common_e2e_tests!(Codex, allow_option_id = "approve");
-
-    pub fn local_command() -> AgentServerCommand {
-        let cli_path = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../../../codex/codex-rs/target/debug/codex");
-
-        AgentServerCommand {
-            path: cli_path,
-            args: vec![],
-            env: None,
-        }
-    }
-}
diff --git a/crates/agent_servers/src/custom.rs b/crates/agent_servers/src/custom.rs
new file mode 100644
index 0000000000..72823026d7
--- /dev/null
+++ b/crates/agent_servers/src/custom.rs
@@ -0,0 +1,63 @@
+use crate::{AgentServerCommand, AgentServerSettings};
+use acp_thread::AgentConnection;
+use anyhow::Result;
+use gpui::{App, Entity, SharedString, Task};
+use project::Project;
+use std::{path::Path, rc::Rc};
+use ui::IconName;
+
+/// A generic agent server implementation for custom user-defined agents
+pub struct CustomAgentServer {
+    name: SharedString,
+    command: AgentServerCommand,
+}
+
+impl CustomAgentServer {
+    pub fn new(name: SharedString, settings: &AgentServerSettings) -> Self {
+        Self {
+            name,
+            command: settings.command.clone(),
+        }
+    }
+}
+
+impl crate::AgentServer for CustomAgentServer {
+    fn telemetry_id(&self) -> &'static str {
+        "custom"
+    }
+
+    fn name(&self) -> SharedString {
+        self.name.clone()
+    }
+
+    fn logo(&self) -> IconName {
+        IconName::Terminal
+    }
+
+    fn empty_state_headline(&self) -> SharedString {
+        "No conversations yet".into()
+    }
+
+    fn empty_state_message(&self) -> SharedString {
+        format!("Start a conversation with {}", self.name).into()
+    }
+
+    fn connect(
+        &self,
+        root_dir: &Path,
+        _project: &Entity<Project>,
+        cx: &mut App,
+    ) -> Task<Result<Rc<dyn AgentConnection>>> {
+        let server_name = self.name();
+        let command = self.command.clone();
+        let root_dir = root_dir.to_path_buf();
+
+        cx.spawn(async move |mut cx| {
+            crate::acp::connect(server_name, command, &root_dir, &mut cx).await
+        })
+    }
+
+    fn into_any(self: Rc<Self>) -> Rc<dyn std::any::Any> {
+        self
+    }
+}
diff --git a/crates/agent_servers/src/e2e_tests.rs b/crates/agent_servers/src/e2e_tests.rs
index e9c72eabc9..42264b4b4f 100644
--- a/crates/agent_servers/src/e2e_tests.rs
+++ b/crates/agent_servers/src/e2e_tests.rs
@@ -1,24 +1,31 @@
+use crate::AgentServer;
+use acp_thread::{AcpThread, AgentThreadEntry, ToolCall, ToolCallStatus};
+use agent_client_protocol as acp;
+use futures::{FutureExt, StreamExt, channel::mpsc, select};
+use gpui::{AppContext, Entity, TestAppContext};
+use indoc::indoc;
+use project::{FakeFs, Project};
 use std::{
     path::{Path, PathBuf},
     sync::Arc,
     time::Duration,
 };
-
-use crate::{AgentServer, AgentServerSettings, AllAgentServersSettings};
-use acp_thread::{AcpThread, AgentThreadEntry, ToolCall, ToolCallStatus};
-use agent_client_protocol as acp;
-
-use futures::{FutureExt, StreamExt, channel::mpsc, select};
-use gpui::{Entity, TestAppContext};
-use indoc::indoc;
-use project::{FakeFs, Project};
-use settings::{Settings, SettingsStore};
 use util::path;
 
-pub async fn test_basic(server: impl AgentServer + 'static, cx: &mut TestAppContext) {
-    let fs = init_test(cx).await;
-    let project = Project::test(fs, [], cx).await;
-    let thread = new_test_thread(server, project.clone(), "/private/tmp", cx).await;
+pub async fn test_basic<T, F>(server: F, cx: &mut TestAppContext)
+where
+    T: AgentServer + 'static,
+    F: AsyncFn(&Arc<dyn fs::Fs>, &Entity<Project>, &mut TestAppContext) -> T,
+{
+    let fs = init_test(cx).await as Arc<dyn fs::Fs>;
+    let project = Project::test(fs.clone(), [], cx).await;
+    let thread = new_test_thread(
+        server(&fs, &project, cx).await,
+        project.clone(),
+        "/private/tmp",
+        cx,
+    )
+    .await;
 
     thread
         .update(cx, |thread, cx| thread.send_raw("Hello from Zed!", cx))
@@ -42,8 +49,12 @@ pub async fn test_basic(server: impl AgentServer + 'static, cx: &mut TestAppCont
     });
 }
 
-pub async fn test_path_mentions(server: impl AgentServer + 'static, cx: &mut TestAppContext) {
-    let _fs = init_test(cx).await;
+pub async fn test_path_mentions<T, F>(server: F, cx: &mut TestAppContext)
+where
+    T: AgentServer + 'static,
+    F: AsyncFn(&Arc<dyn fs::Fs>, &Entity<Project>, &mut TestAppContext) -> T,
+{
+    let fs = init_test(cx).await as _;
 
     let tempdir = tempfile::tempdir().unwrap();
     std::fs::write(
@@ -56,7 +67,13 @@ pub async fn test_path_mentions(server: impl AgentServer + 'static, cx: &mut Tes
     )
     .expect("failed to write file");
     let project = Project::example([tempdir.path()], &mut cx.to_async()).await;
-    let thread = new_test_thread(server, project.clone(), tempdir.path(), cx).await;
+    let thread = new_test_thread(
+        server(&fs, &project, cx).await,
+        project.clone(),
+        tempdir.path(),
+        cx,
+    )
+    .await;
     thread
         .update(cx, |thread, cx| {
             thread.send(
@@ -110,15 +127,25 @@ pub async fn test_path_mentions(server: impl AgentServer + 'static, cx: &mut Tes
     drop(tempdir);
 }
 
-pub async fn test_tool_call(server: impl AgentServer + 'static, cx: &mut TestAppContext) {
-    let _fs = init_test(cx).await;
+pub async fn test_tool_call<T, F>(server: F, cx: &mut TestAppContext)
+where
+    T: AgentServer + 'static,
+    F: AsyncFn(&Arc<dyn fs::Fs>, &Entity<Project>, &mut TestAppContext) -> T,
+{
+    let fs = init_test(cx).await as _;
 
     let tempdir = tempfile::tempdir().unwrap();
     let foo_path = tempdir.path().join("foo");
     std::fs::write(&foo_path, "Lorem ipsum dolor").expect("failed to write file");
 
     let project = Project::example([tempdir.path()], &mut cx.to_async()).await;
-    let thread = new_test_thread(server, project.clone(), "/private/tmp", cx).await;
+    let thread = new_test_thread(
+        server(&fs, &project, cx).await,
+        project.clone(),
+        "/private/tmp",
+        cx,
+    )
+    .await;
 
     thread
         .update(cx, |thread, cx| {
@@ -134,7 +161,9 @@ pub async fn test_tool_call(server: impl AgentServer + 'static, cx: &mut TestApp
             matches!(
                 entry,
                 AgentThreadEntry::ToolCall(ToolCall {
-                    status: ToolCallStatus::Allowed { .. },
+                    status: ToolCallStatus::Pending
+                        | ToolCallStatus::InProgress
+                        | ToolCallStatus::Completed,
                     ..
                 })
             )
@@ -150,14 +179,23 @@ pub async fn test_tool_call(server: impl AgentServer + 'static, cx: &mut TestApp
     drop(tempdir);
 }
 
-pub async fn test_tool_call_with_confirmation(
-    server: impl AgentServer + 'static,
+pub async fn test_tool_call_with_permission<T, F>(
+    server: F,
     allow_option_id: acp::PermissionOptionId,
     cx: &mut TestAppContext,
-) {
-    let fs = init_test(cx).await;
-    let project = Project::test(fs, [path!("/private/tmp").as_ref()], cx).await;
-    let thread = new_test_thread(server, project.clone(), "/private/tmp", cx).await;
+) where
+    T: AgentServer + 'static,
+    F: AsyncFn(&Arc<dyn fs::Fs>, &Entity<Project>, &mut TestAppContext) -> T,
+{
+    let fs = init_test(cx).await as Arc<dyn fs::Fs>;
+    let project = Project::test(fs.clone(), [path!("/private/tmp").as_ref()], cx).await;
+    let thread = new_test_thread(
+        server(&fs, &project, cx).await,
+        project.clone(),
+        "/private/tmp",
+        cx,
+    )
+    .await;
     let full_turn = thread.update(cx, |thread, cx| {
         thread.send_raw(
             r#"Run exactly `touch hello.txt && echo "Hello, world!" | tee hello.txt` in the terminal."#,
@@ -212,7 +250,9 @@ pub async fn test_tool_call_with_confirmation(
         assert!(thread.entries().iter().any(|entry| matches!(
             entry,
             AgentThreadEntry::ToolCall(ToolCall {
-                status: ToolCallStatus::Allowed { .. },
+                status: ToolCallStatus::Pending
+                    | ToolCallStatus::InProgress
+                    | ToolCallStatus::Completed,
                 ..
             })
         )));
@@ -223,7 +263,9 @@ pub async fn test_tool_call_with_confirmation(
     thread.read_with(cx, |thread, cx| {
         let AgentThreadEntry::ToolCall(ToolCall {
             content,
-            status: ToolCallStatus::Allowed { .. },
+            status: ToolCallStatus::Pending
+                | ToolCallStatus::InProgress
+                | ToolCallStatus::Completed,
             ..
         }) = thread
             .entries()
@@ -241,12 +283,22 @@ pub async fn test_tool_call_with_confirmation(
     });
 }
 
-pub async fn test_cancel(server: impl AgentServer + 'static, cx: &mut TestAppContext) {
-    let fs = init_test(cx).await;
+pub async fn test_cancel<T, F>(server: F, cx: &mut TestAppContext)
+where
+    T: AgentServer + 'static,
+    F: AsyncFn(&Arc<dyn fs::Fs>, &Entity<Project>, &mut TestAppContext) -> T,
+{
+    let fs = init_test(cx).await as Arc<dyn fs::Fs>;
 
-    let project = Project::test(fs, [path!("/private/tmp").as_ref()], cx).await;
-    let thread = new_test_thread(server, project.clone(), "/private/tmp", cx).await;
-    let full_turn = thread.update(cx, |thread, cx| {
+    let project = Project::test(fs.clone(), [path!("/private/tmp").as_ref()], cx).await;
+    let thread = new_test_thread(
+        server(&fs, &project, cx).await,
+        project.clone(),
+        "/private/tmp",
+        cx,
+    )
+    .await;
+    let _ = thread.update(cx, |thread, cx| {
         thread.send_raw(
             r#"Run exactly `touch hello.txt && echo "Hello, world!" | tee hello.txt` in the terminal."#,
             cx,
@@ -285,9 +337,8 @@ pub async fn test_cancel(server: impl AgentServer + 'static, cx: &mut TestAppCon
         id.clone()
     });
 
-    let _ = thread.update(cx, |thread, cx| thread.cancel(cx));
-    full_turn.await.unwrap();
-    thread.read_with(cx, |thread, _| {
+    thread.update(cx, |thread, cx| thread.cancel(cx)).await;
+    thread.read_with(cx, |thread, _cx| {
         let AgentThreadEntry::ToolCall(ToolCall {
             status: ToolCallStatus::Canceled,
             ..
@@ -311,6 +362,37 @@ pub async fn test_cancel(server: impl AgentServer + 'static, cx: &mut TestAppCon
     });
 }
 
+pub async fn test_thread_drop<T, F>(server: F, cx: &mut TestAppContext)
+where
+    T: AgentServer + 'static,
+    F: AsyncFn(&Arc<dyn fs::Fs>, &Entity<Project>, &mut TestAppContext) -> T,
+{
+    let fs = init_test(cx).await as Arc<dyn fs::Fs>;
+    let project = Project::test(fs.clone(), [], cx).await;
+    let thread = new_test_thread(
+        server(&fs, &project, cx).await,
+        project.clone(),
+        "/private/tmp",
+        cx,
+    )
+    .await;
+
+    thread
+        .update(cx, |thread, cx| thread.send_raw("Hello from test!", cx))
+        .await
+        .unwrap();
+
+    thread.read_with(cx, |thread, _| {
+        assert!(thread.entries().len() >= 2, "Expected at least 2 entries");
+    });
+
+    let weak_thread = thread.downgrade();
+    drop(thread);
+
+    cx.executor().run_until_parked();
+    assert!(!weak_thread.is_upgradable());
+}
+
 #[macro_export]
 macro_rules! common_e2e_tests {
     ($server:expr, allow_option_id = $allow_option_id:expr) => {
@@ -337,8 +419,8 @@ macro_rules! common_e2e_tests {
 
             #[::gpui::test]
             #[cfg_attr(not(feature = "e2e"), ignore)]
-            async fn tool_call_with_confirmation(cx: &mut ::gpui::TestAppContext) {
-                $crate::e2e_tests::test_tool_call_with_confirmation(
+            async fn tool_call_with_permission(cx: &mut ::gpui::TestAppContext) {
+                $crate::e2e_tests::test_tool_call_with_permission(
                     $server,
                     ::agent_client_protocol::PermissionOptionId($allow_option_id.into()),
                     cx,
@@ -351,33 +433,51 @@ macro_rules! common_e2e_tests {
             async fn cancel(cx: &mut ::gpui::TestAppContext) {
                 $crate::e2e_tests::test_cancel($server, cx).await;
             }
+
+            #[::gpui::test]
+            #[cfg_attr(not(feature = "e2e"), ignore)]
+            async fn thread_drop(cx: &mut ::gpui::TestAppContext) {
+                $crate::e2e_tests::test_thread_drop($server, cx).await;
+            }
         }
     };
 }
+pub use common_e2e_tests;
 
 // Helpers
 
 pub async fn init_test(cx: &mut TestAppContext) -> Arc<FakeFs> {
+    #[cfg(test)]
+    use settings::Settings;
+
     env_logger::try_init().ok();
 
     cx.update(|cx| {
-        let settings_store = SettingsStore::test(cx);
+        let settings_store = settings::SettingsStore::test(cx);
         cx.set_global(settings_store);
         Project::init_settings(cx);
         language::init(cx);
+        gpui_tokio::init(cx);
+        let http_client = reqwest_client::ReqwestClient::user_agent("agent tests").unwrap();
+        cx.set_http_client(Arc::new(http_client));
+        client::init_settings(cx);
+        let client = client::Client::production(cx);
+        let user_store = cx.new(|cx| client::UserStore::new(client.clone(), cx));
+        language_model::init(client.clone(), cx);
+        language_models::init(user_store, client, cx);
+        agent_settings::init(cx);
         crate::settings::init(cx);
 
+        #[cfg(test)]
         crate::AllAgentServersSettings::override_global(
-            AllAgentServersSettings {
-                claude: Some(AgentServerSettings {
+            crate::AllAgentServersSettings {
+                claude: Some(crate::AgentServerSettings {
                     command: crate::claude::tests::local_command(),
                 }),
-                gemini: Some(AgentServerSettings {
+                gemini: Some(crate::AgentServerSettings {
                     command: crate::gemini::tests::local_command(),
                 }),
-                codex: Some(AgentServerSettings {
-                    command: crate::codex::tests::local_command(),
-                }),
+                custom: collections::HashMap::default(),
             },
             cx,
         );
@@ -399,12 +499,9 @@ pub async fn new_test_thread(
         .await
         .unwrap();
 
-    let thread = connection
-        .new_thread(project.clone(), current_dir.as_ref(), &mut cx.to_async())
+    cx.update(|cx| connection.new_thread(project.clone(), current_dir.as_ref(), cx))
         .await
-        .unwrap();
-
-    thread
+        .unwrap()
 }
 
 pub async fn run_until_first_tool_call(
@@ -442,7 +539,7 @@ pub fn get_zed_path() -> PathBuf {
 
     while zed_path
         .file_name()
-        .map_or(true, |name| name.to_string_lossy() != "debug")
+        .is_none_or(|name| name.to_string_lossy() != "debug")
     {
         if !zed_path.pop() {
             panic!("Could not find target directory");
diff --git a/crates/agent_servers/src/gemini.rs b/crates/agent_servers/src/gemini.rs
index a97ff3f462..5d6a70fa64 100644
--- a/crates/agent_servers/src/gemini.rs
+++ b/crates/agent_servers/src/gemini.rs
@@ -1,17 +1,13 @@
-use anyhow::anyhow;
-use std::cell::RefCell;
-use std::path::Path;
 use std::rc::Rc;
-use util::ResultExt as _;
+use std::{any::Any, path::Path};
 
-use crate::{AgentServer, AgentServerCommand, AgentServerVersion};
-use acp_thread::{AgentConnection, LoadError, OldAcpAgentConnection, OldAcpClientDelegate};
-use agentic_coding_protocol as acp_old;
-use anyhow::{Context as _, Result};
-use gpui::{AppContext as _, AsyncApp, Entity, Task, WeakEntity};
+use crate::{AgentServer, AgentServerCommand};
+use acp_thread::{AgentConnection, LoadError};
+use anyhow::Result;
+use gpui::{App, Entity, SharedString, Task};
+use language_models::provider::google::GoogleLanguageModelProvider;
 use project::Project;
 use settings::SettingsStore;
-use ui::App;
 
 use crate::AllAgentServersSettings;
 
@@ -21,16 +17,20 @@ pub struct Gemini;
 const ACP_ARG: &str = "--experimental-acp";
 
 impl AgentServer for Gemini {
-    fn name(&self) -> &'static str {
-        "Gemini"
+    fn telemetry_id(&self) -> &'static str {
+        "gemini-cli"
     }
 
-    fn empty_state_headline(&self) -> &'static str {
-        "Welcome to Gemini"
+    fn name(&self) -> SharedString {
+        "Gemini CLI".into()
     }
 
-    fn empty_state_message(&self) -> &'static str {
-        "Ask questions, edit files, run commands.\nBe specific for the best results."
+    fn empty_state_headline(&self) -> SharedString {
+        self.name()
+    }
+
+    fn empty_state_message(&self) -> SharedString {
+        "Ask questions, edit files, run commands".into()
     }
 
     fn logo(&self) -> ui::IconName {
@@ -43,143 +43,79 @@ impl AgentServer for Gemini {
         project: &Entity<Project>,
         cx: &mut App,
     ) -> Task<Result<Rc<dyn AgentConnection>>> {
-        let root_dir = root_dir.to_path_buf();
         let project = project.clone();
-        let this = self.clone();
-        let name = self.name();
-
+        let root_dir = root_dir.to_path_buf();
+        let server_name = self.name();
         cx.spawn(async move |cx| {
-            let command = this.command(&project, cx).await?;
+            let settings = cx.read_global(|settings: &SettingsStore, _| {
+                settings.get::<AllAgentServersSettings>(None).gemini.clone()
+            })?;
 
-            let mut child = util::command::new_smol_command(&command.path)
-                .args(command.args.iter())
-                .current_dir(root_dir)
-                .stdin(std::process::Stdio::piped())
-                .stdout(std::process::Stdio::piped())
-                .stderr(std::process::Stdio::inherit())
-                .kill_on_drop(true)
-                .spawn()?;
+            let Some(mut command) =
+                AgentServerCommand::resolve("gemini", &[ACP_ARG], None, settings, &project, cx).await
+            else {
+                return Err(LoadError::NotInstalled {
+                    error_message: "Failed to find Gemini CLI binary".into(),
+                    install_message: "Install Gemini CLI".into(),
+                    install_command: Self::install_command().into(),
+                }.into());
+            };
 
-            let stdin = child.stdin.take().unwrap();
-            let stdout = child.stdout.take().unwrap();
+            if let Some(api_key)= cx.update(GoogleLanguageModelProvider::api_key)?.await.ok() {
+                command.env.get_or_insert_default().insert("GEMINI_API_KEY".to_owned(), api_key.key);
+            }
 
-            let foreground_executor = cx.foreground_executor().clone();
+            let result = crate::acp::connect(server_name, command.clone(), &root_dir, cx).await;
+            if result.is_err() {
+                let version_fut = util::command::new_smol_command(&command.path)
+                    .args(command.args.iter())
+                    .arg("--version")
+                    .kill_on_drop(true)
+                    .output();
 
-            let thread_rc = Rc::new(RefCell::new(WeakEntity::new_invalid()));
+                let help_fut = util::command::new_smol_command(&command.path)
+                    .args(command.args.iter())
+                    .arg("--help")
+                    .kill_on_drop(true)
+                    .output();
 
-            let (connection, io_fut) = acp_old::AgentConnection::connect_to_agent(
-                OldAcpClientDelegate::new(thread_rc.clone(), cx.clone()),
-                stdin,
-                stdout,
-                move |fut| foreground_executor.spawn(fut).detach(),
-            );
+                let (version_output, help_output) = futures::future::join(version_fut, help_fut).await;
 
-            let io_task = cx.background_spawn(async move {
-                io_fut.await.log_err();
-            });
+                let current_version = String::from_utf8(version_output?.stdout)?;
+                let supported = String::from_utf8(help_output?.stdout)?.contains(ACP_ARG);
 
-            let child_status = cx.background_spawn(async move {
-                let result = match child.status().await {
-                    Err(e) => Err(anyhow!(e)),
-                    Ok(result) if result.success() => Ok(()),
-                    Ok(result) => {
-                        if let Some(AgentServerVersion::Unsupported {
-                            error_message,
-                            upgrade_message,
-                            upgrade_command,
-                        }) = this.version(&command).await.log_err()
-                        {
-                            Err(anyhow!(LoadError::Unsupported {
-                                error_message,
-                                upgrade_message,
-                                upgrade_command
-                            }))
-                        } else {
-                            Err(anyhow!(LoadError::Exited(result.code().unwrap_or(-127))))
-                        }
-                    }
-                };
-                drop(io_task);
-                result
-            });
-
-            let connection: Rc<dyn AgentConnection> = Rc::new(OldAcpAgentConnection {
-                name,
-                connection,
-                child_status,
-                current_thread: thread_rc,
-            });
-
-            Ok(connection)
+                if !supported {
+                    return Err(LoadError::Unsupported {
+                        error_message: format!(
+                            "Your installed version of Gemini CLI ({}, version {}) doesn't support the Agentic Coding Protocol (ACP).",
+                            command.path.to_string_lossy(),
+                            current_version
+                        ).into(),
+                        upgrade_message: "Upgrade Gemini CLI to latest".into(),
+                        upgrade_command: Self::upgrade_command().into(),
+                    }.into())
+                }
+            }
+            result
         })
     }
+
+    fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
+        self
+    }
 }
 
 impl Gemini {
-    async fn command(
-        &self,
-        project: &Entity<Project>,
-        cx: &mut AsyncApp,
-    ) -> Result<AgentServerCommand> {
-        let settings = cx.read_global(|settings: &SettingsStore, _| {
-            settings.get::<AllAgentServersSettings>(None).gemini.clone()
-        })?;
-
-        if let Some(command) =
-            AgentServerCommand::resolve("gemini", &[ACP_ARG], settings, &project, cx).await
-        {
-            return Ok(command);
-        };
-
-        let (fs, node_runtime) = project.update(cx, |project, _| {
-            (project.fs().clone(), project.node_runtime().cloned())
-        })?;
-        let node_runtime = node_runtime.context("gemini not found on path")?;
-
-        let directory = ::paths::agent_servers_dir().join("gemini");
-        fs.create_dir(&directory).await?;
-        node_runtime
-            .npm_install_packages(&directory, &[("@google/gemini-cli", "latest")])
-            .await?;
-        let path = directory.join("node_modules/.bin/gemini");
-
-        Ok(AgentServerCommand {
-            path,
-            args: vec![ACP_ARG.into()],
-            env: None,
-        })
+    pub fn binary_name() -> &'static str {
+        "gemini"
     }
 
-    async fn version(&self, command: &AgentServerCommand) -> Result<AgentServerVersion> {
-        let version_fut = util::command::new_smol_command(&command.path)
-            .args(command.args.iter())
-            .arg("--version")
-            .kill_on_drop(true)
-            .output();
+    pub fn install_command() -> &'static str {
+        "npm install -g @google/gemini-cli@preview"
+    }
 
-        let help_fut = util::command::new_smol_command(&command.path)
-            .args(command.args.iter())
-            .arg("--help")
-            .kill_on_drop(true)
-            .output();
-
-        let (version_output, help_output) = futures::future::join(version_fut, help_fut).await;
-
-        let current_version = String::from_utf8(version_output?.stdout)?;
-        let supported = String::from_utf8(help_output?.stdout)?.contains(ACP_ARG);
-
-        if supported {
-            Ok(AgentServerVersion::Supported)
-        } else {
-            Ok(AgentServerVersion::Unsupported {
-                error_message: format!(
-                    "Your installed version of Gemini {} doesn't support the Agentic Coding Protocol (ACP).",
-                    current_version
-                ).into(),
-                upgrade_message: "Upgrade Gemini to Latest".into(),
-                upgrade_command: "npm install -g @google/gemini-cli@latest".into(),
-            })
-        }
+    pub fn upgrade_command() -> &'static str {
+        "npm install -g @google/gemini-cli@preview"
     }
 }
 
@@ -189,7 +125,7 @@ pub(crate) mod tests {
     use crate::AgentServerCommand;
     use std::path::Path;
 
-    crate::common_e2e_tests!(Gemini, allow_option_id = "0");
+    crate::common_e2e_tests!(async |_, _, _| Gemini, allow_option_id = "proceed_once");
 
     pub fn local_command() -> AgentServerCommand {
         let cli_path = Path::new(env!("CARGO_MANIFEST_DIR"))
@@ -199,7 +135,7 @@ pub(crate) mod tests {
 
         AgentServerCommand {
             path: "node".into(),
-            args: vec![cli_path, ACP_ARG.into()],
+            args: vec![cli_path],
             env: None,
         }
     }
diff --git a/crates/agent_servers/src/mcp_server.rs b/crates/agent_servers/src/mcp_server.rs
deleted file mode 100644
index 055b89dfe2..0000000000
--- a/crates/agent_servers/src/mcp_server.rs
+++ /dev/null
@@ -1,207 +0,0 @@
-use acp_thread::AcpThread;
-use agent_client_protocol as acp;
-use anyhow::Result;
-use context_server::listener::{McpServerTool, ToolResponse};
-use context_server::types::{
-    Implementation, InitializeParams, InitializeResponse, ProtocolVersion, ServerCapabilities,
-    ToolsCapabilities, requests,
-};
-use futures::channel::oneshot;
-use gpui::{App, AsyncApp, Task, WeakEntity};
-use indoc::indoc;
-
-pub struct ZedMcpServer {
-    server: context_server::listener::McpServer,
-}
-
-pub const SERVER_NAME: &str = "zed";
-
-impl ZedMcpServer {
-    pub async fn new(
-        thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
-        cx: &AsyncApp,
-    ) -> Result<Self> {
-        let mut mcp_server = context_server::listener::McpServer::new(cx).await?;
-        mcp_server.handle_request::<requests::Initialize>(Self::handle_initialize);
-
-        mcp_server.add_tool(RequestPermissionTool {
-            thread_rx: thread_rx.clone(),
-        });
-        mcp_server.add_tool(ReadTextFileTool {
-            thread_rx: thread_rx.clone(),
-        });
-        mcp_server.add_tool(WriteTextFileTool {
-            thread_rx: thread_rx.clone(),
-        });
-
-        Ok(Self { server: mcp_server })
-    }
-
-    pub fn server_config(&self) -> Result<acp::McpServerConfig> {
-        #[cfg(not(test))]
-        let zed_path = anyhow::Context::context(
-            std::env::current_exe(),
-            "finding current executable path for use in mcp_server",
-        )?;
-
-        #[cfg(test)]
-        let zed_path = crate::e2e_tests::get_zed_path();
-
-        Ok(acp::McpServerConfig {
-            command: zed_path,
-            args: vec![
-                "--nc".into(),
-                self.server.socket_path().display().to_string(),
-            ],
-            env: None,
-        })
-    }
-
-    fn handle_initialize(_: InitializeParams, cx: &App) -> Task<Result<InitializeResponse>> {
-        cx.foreground_executor().spawn(async move {
-            Ok(InitializeResponse {
-                protocol_version: ProtocolVersion("2025-06-18".into()),
-                capabilities: ServerCapabilities {
-                    experimental: None,
-                    logging: None,
-                    completions: None,
-                    prompts: None,
-                    resources: None,
-                    tools: Some(ToolsCapabilities {
-                        list_changed: Some(false),
-                    }),
-                },
-                server_info: Implementation {
-                    name: SERVER_NAME.into(),
-                    version: "0.1.0".into(),
-                },
-                meta: None,
-            })
-        })
-    }
-}
-
-// Tools
-
-#[derive(Clone)]
-pub struct RequestPermissionTool {
-    thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
-}
-
-impl McpServerTool for RequestPermissionTool {
-    type Input = acp::RequestPermissionArguments;
-    type Output = acp::RequestPermissionOutput;
-
-    const NAME: &'static str = "Confirmation";
-
-    fn description(&self) -> &'static str {
-        indoc! {"
-            Request permission for tool calls.
-
-            This tool is meant to be called programmatically by the agent loop, not the LLM.
-        "}
-    }
-
-    async fn run(
-        &self,
-        input: Self::Input,
-        cx: &mut AsyncApp,
-    ) -> Result<ToolResponse<Self::Output>> {
-        let mut thread_rx = self.thread_rx.clone();
-        let Some(thread) = thread_rx.recv().await?.upgrade() else {
-            anyhow::bail!("Thread closed");
-        };
-
-        let result = thread
-            .update(cx, |thread, cx| {
-                thread.request_tool_call_permission(input.tool_call, input.options, cx)
-            })?
-            .await;
-
-        let outcome = match result {
-            Ok(option_id) => acp::RequestPermissionOutcome::Selected { option_id },
-            Err(oneshot::Canceled) => acp::RequestPermissionOutcome::Canceled,
-        };
-
-        Ok(ToolResponse {
-            content: vec![],
-            structured_content: acp::RequestPermissionOutput { outcome },
-        })
-    }
-}
-
-#[derive(Clone)]
-pub struct ReadTextFileTool {
-    thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
-}
-
-impl McpServerTool for ReadTextFileTool {
-    type Input = acp::ReadTextFileArguments;
-    type Output = acp::ReadTextFileOutput;
-
-    const NAME: &'static str = "Read";
-
-    fn description(&self) -> &'static str {
-        "Reads the content of the given file in the project including unsaved changes."
-    }
-
-    async fn run(
-        &self,
-        input: Self::Input,
-        cx: &mut AsyncApp,
-    ) -> Result<ToolResponse<Self::Output>> {
-        let mut thread_rx = self.thread_rx.clone();
-        let Some(thread) = thread_rx.recv().await?.upgrade() else {
-            anyhow::bail!("Thread closed");
-        };
-
-        let content = thread
-            .update(cx, |thread, cx| {
-                thread.read_text_file(input.path, input.line, input.limit, false, cx)
-            })?
-            .await?;
-
-        Ok(ToolResponse {
-            content: vec![],
-            structured_content: acp::ReadTextFileOutput { content },
-        })
-    }
-}
-
-#[derive(Clone)]
-pub struct WriteTextFileTool {
-    thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
-}
-
-impl McpServerTool for WriteTextFileTool {
-    type Input = acp::WriteTextFileArguments;
-    type Output = ();
-
-    const NAME: &'static str = "Write";
-
-    fn description(&self) -> &'static str {
-        "Write to a file replacing its contents"
-    }
-
-    async fn run(
-        &self,
-        input: Self::Input,
-        cx: &mut AsyncApp,
-    ) -> Result<ToolResponse<Self::Output>> {
-        let mut thread_rx = self.thread_rx.clone();
-        let Some(thread) = thread_rx.recv().await?.upgrade() else {
-            anyhow::bail!("Thread closed");
-        };
-
-        thread
-            .update(cx, |thread, cx| {
-                thread.write_text_file(input.path, input.content, cx)
-            })?
-            .await?;
-
-        Ok(ToolResponse {
-            content: vec![],
-            structured_content: (),
-        })
-    }
-}
diff --git a/crates/agent_servers/src/settings.rs b/crates/agent_servers/src/settings.rs
index aeb34a5e61..96ac6e3cbe 100644
--- a/crates/agent_servers/src/settings.rs
+++ b/crates/agent_servers/src/settings.rs
@@ -1,6 +1,7 @@
 use crate::AgentServerCommand;
 use anyhow::Result;
-use gpui::App;
+use collections::HashMap;
+use gpui::{App, SharedString};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 use settings::{Settings, SettingsSources};
@@ -13,10 +14,13 @@ pub fn init(cx: &mut App) {
 pub struct AllAgentServersSettings {
     pub gemini: Option<AgentServerSettings>,
     pub claude: Option<AgentServerSettings>,
-    pub codex: Option<AgentServerSettings>,
+
+    /// Custom agent servers configured by the user
+    #[serde(flatten)]
+    pub custom: HashMap<SharedString, AgentServerSettings>,
 }
 
-#[derive(Deserialize, Serialize, Clone, JsonSchema, Debug)]
+#[derive(Deserialize, Serialize, Clone, JsonSchema, Debug, PartialEq)]
 pub struct AgentServerSettings {
     #[serde(flatten)]
     pub command: AgentServerCommand,
@@ -33,7 +37,7 @@ impl settings::Settings for AllAgentServersSettings {
         for AllAgentServersSettings {
             gemini,
             claude,
-            codex,
+            custom,
         } in sources.defaults_and_customizations()
         {
             if gemini.is_some() {
@@ -42,8 +46,13 @@ impl settings::Settings for AllAgentServersSettings {
             if claude.is_some() {
                 settings.claude = claude.clone();
             }
-            if codex.is_some() {
-                settings.codex = codex.clone();
+
+            // Merge custom agents
+            for (name, config) in custom {
+                // Skip built-in agent names to avoid conflicts
+                if name != "gemini" && name != "claude" {
+                    settings.custom.insert(name.clone(), config.clone());
+                }
             }
         }
 
diff --git a/crates/agent_settings/src/agent_profile.rs b/crates/agent_settings/src/agent_profile.rs
index a6b8633b34..04fdd4a753 100644
--- a/crates/agent_settings/src/agent_profile.rs
+++ b/crates/agent_settings/src/agent_profile.rs
@@ -48,6 +48,20 @@ pub struct AgentProfileSettings {
     pub context_servers: IndexMap<Arc<str>, ContextServerPreset>,
 }
 
+impl AgentProfileSettings {
+    pub fn is_tool_enabled(&self, tool_name: &str) -> bool {
+        self.tools.get(tool_name) == Some(&true)
+    }
+
+    pub fn is_context_server_tool_enabled(&self, server_id: &str, tool_name: &str) -> bool {
+        self.enable_all_context_servers
+            || self
+                .context_servers
+                .get(server_id)
+                .is_some_and(|preset| preset.tools.get(tool_name) == Some(&true))
+    }
+}
+
 #[derive(Debug, Clone, Default)]
 pub struct ContextServerPreset {
     pub tools: IndexMap<Arc<str>, bool>,
diff --git a/crates/agent_settings/src/agent_settings.rs b/crates/agent_settings/src/agent_settings.rs
index 4e872c78d7..ed1ed2b898 100644
--- a/crates/agent_settings/src/agent_settings.rs
+++ b/crates/agent_settings/src/agent_settings.rs
@@ -13,6 +13,11 @@ use std::borrow::Cow;
 
 pub use crate::agent_profile::*;
 
+pub const SUMMARIZE_THREAD_PROMPT: &str =
+    include_str!("../../agent/src/prompts/summarize_thread_prompt.txt");
+pub const SUMMARIZE_THREAD_DETAILED_PROMPT: &str =
+    include_str!("../../agent/src/prompts/summarize_thread_detailed_prompt.txt");
+
 pub fn init(cx: &mut App) {
     AgentSettings::register(cx);
 }
@@ -113,15 +118,15 @@ pub struct LanguageModelParameters {
 
 impl LanguageModelParameters {
     pub fn matches(&self, model: &Arc<dyn LanguageModel>) -> bool {
-        if let Some(provider) = &self.provider {
-            if provider.0 != model.provider_id().0 {
-                return false;
-            }
+        if let Some(provider) = &self.provider
+            && provider.0 != model.provider_id().0
+        {
+            return false;
         }
-        if let Some(setting_model) = &self.model {
-            if *setting_model != model.id().0 {
-                return false;
-            }
+        if let Some(setting_model) = &self.model
+            && *setting_model != model.id().0
+        {
+            return false;
         }
         true
     }
@@ -306,7 +311,7 @@ pub struct AgentSettingsContent {
     ///
     /// Default: true
     expand_terminal_card: Option<bool>,
-    /// Whether to always use cmd-enter (or ctrl-enter on Linux) to send messages in the agent panel.
+    /// Whether to always use cmd-enter (or ctrl-enter on Linux or Windows) to send messages in the agent panel.
     ///
     /// Default: false
     use_modifier_to_send: Option<bool>,
@@ -439,10 +444,6 @@ impl Settings for AgentSettings {
                 &mut settings.inline_alternatives,
                 value.inline_alternatives.clone(),
             );
-            merge(
-                &mut settings.always_allow_tool_actions,
-                value.always_allow_tool_actions,
-            );
             merge(
                 &mut settings.notify_when_agent_waiting,
                 value.notify_when_agent_waiting,
@@ -504,6 +505,19 @@ impl Settings for AgentSettings {
             }
         }
 
+        debug_assert!(
+            !sources.default.always_allow_tool_actions.unwrap_or(false),
+            "For security, agent.always_allow_tool_actions should always be false in default.json. If it's true, that is a bug that should be fixed!"
+        );
+
+        // For security reasons, only trust the user's global settings for whether to always allow tool actions.
+        // If this could be overridden locally, an attacker could (e.g. by committing to source control and
+        // convincing you to switch branches) modify your project-local settings to disable the agent's safety checks.
+        settings.always_allow_tool_actions = sources
+            .user
+            .and_then(|setting| setting.always_allow_tool_actions)
+            .unwrap_or(false);
+
         Ok(settings)
     }
 
diff --git a/crates/agent_ui/Cargo.toml b/crates/agent_ui/Cargo.toml
index 95fd2b1757..6b0979ee69 100644
--- a/crates/agent_ui/Cargo.toml
+++ b/crates/agent_ui/Cargo.toml
@@ -17,8 +17,10 @@ test-support = ["gpui/test-support", "language/test-support"]
 
 [dependencies]
 acp_thread.workspace = true
+action_log.workspace = true
 agent-client-protocol.workspace = true
 agent.workspace = true
+agent2.workspace = true
 agent_servers.workspace = true
 agent_settings.workspace = true
 ai_onboarding.workspace = true
@@ -48,7 +50,6 @@ fuzzy.workspace = true
 gpui.workspace = true
 html_to_markdown.workspace = true
 http_client.workspace = true
-indexed_docs.workspace = true
 indoc.workspace = true
 inventory.workspace = true
 itertools.workspace = true
@@ -66,6 +67,7 @@ ordered-float.workspace = true
 parking_lot.workspace = true
 paths.workspace = true
 picker.workspace = true
+postage.workspace = true
 project.workspace = true
 prompt_store.workspace = true
 proto.workspace = true
@@ -91,6 +93,7 @@ time.workspace = true
 time_format.workspace = true
 ui.workspace = true
 ui_input.workspace = true
+url.workspace = true
 urlencoding.workspace = true
 util.workspace = true
 uuid.workspace = true
@@ -100,8 +103,13 @@ workspace.workspace = true
 zed_actions.workspace = true
 
 [dev-dependencies]
+acp_thread = { workspace = true, features = ["test-support"] }
+agent = { workspace = true, features = ["test-support"] }
+agent2 = { workspace = true, features = ["test-support"] }
+assistant_context = { workspace = true, features = ["test-support"] }
 assistant_tools.workspace = true
 buffer_diff = { workspace = true, features = ["test-support"] }
+db = { workspace = true, features = ["test-support"] }
 editor = { workspace = true, features = ["test-support"] }
 gpui = { workspace = true, "features" = ["test-support"] }
 indoc.workspace = true
diff --git a/crates/agent_ui/src/acp.rs b/crates/agent_ui/src/acp.rs
index cc476b1a86..6f228b91d6 100644
--- a/crates/agent_ui/src/acp.rs
+++ b/crates/agent_ui/src/acp.rs
@@ -1,6 +1,12 @@
 mod completion_provider;
-mod message_history;
+mod entry_view_state;
+mod message_editor;
+mod model_selector;
+mod model_selector_popover;
+mod thread_history;
 mod thread_view;
 
-pub use message_history::MessageHistory;
+pub use model_selector::AcpModelSelector;
+pub use model_selector_popover::AcpModelSelectorPopover;
+pub use thread_history::*;
 pub use thread_view::AcpThreadView;
diff --git a/crates/agent_ui/src/acp/completion_provider.rs b/crates/agent_ui/src/acp/completion_provider.rs
index fca4ae0300..5b40967069 100644
--- a/crates/agent_ui/src/acp/completion_provider.rs
+++ b/crates/agent_ui/src/acp/completion_provider.rs
@@ -1,101 +1,222 @@
+use std::cell::Cell;
 use std::ops::Range;
-use std::path::Path;
+use std::rc::Rc;
 use std::sync::Arc;
 use std::sync::atomic::AtomicBool;
 
+use acp_thread::MentionUri;
+use agent_client_protocol as acp;
+use agent2::{HistoryEntry, HistoryStore};
 use anyhow::Result;
-use collections::HashMap;
-use editor::display_map::CreaseId;
 use editor::{CompletionProvider, Editor, ExcerptId};
-use file_icons::FileIcons;
+use fuzzy::{StringMatch, StringMatchCandidate};
 use gpui::{App, Entity, Task, WeakEntity};
 use language::{Buffer, CodeLabel, HighlightId};
 use lsp::CompletionContext;
-use parking_lot::Mutex;
-use project::{Completion, CompletionIntent, CompletionResponse, ProjectPath, WorktreeId};
+use project::{
+    Completion, CompletionIntent, CompletionResponse, Project, ProjectPath, Symbol, WorktreeId,
+};
+use prompt_store::PromptStore;
 use rope::Point;
-use text::{Anchor, ToPoint};
+use text::{Anchor, ToPoint as _};
 use ui::prelude::*;
 use workspace::Workspace;
 
-use crate::context_picker::MentionLink;
-use crate::context_picker::file_context_picker::{extract_file_name_and_directory, search_files};
+use crate::AgentPanel;
+use crate::acp::message_editor::MessageEditor;
+use crate::context_picker::file_context_picker::{FileMatch, search_files};
+use crate::context_picker::rules_context_picker::{RulesContextEntry, search_rules};
+use crate::context_picker::symbol_context_picker::SymbolMatch;
+use crate::context_picker::symbol_context_picker::search_symbols;
+use crate::context_picker::{
+    ContextPickerAction, ContextPickerEntry, ContextPickerMode, selection_ranges,
+};
 
-#[derive(Default)]
-pub struct MentionSet {
-    paths_by_crease_id: HashMap<CreaseId, ProjectPath>,
+pub(crate) enum Match {
+    File(FileMatch),
+    Symbol(SymbolMatch),
+    Thread(HistoryEntry),
+    RecentThread(HistoryEntry),
+    Fetch(SharedString),
+    Rules(RulesContextEntry),
+    Entry(EntryMatch),
 }
 
-impl MentionSet {
-    pub fn insert(&mut self, crease_id: CreaseId, path: ProjectPath) {
-        self.paths_by_crease_id.insert(crease_id, path);
-    }
+pub struct EntryMatch {
+    mat: Option<StringMatch>,
+    entry: ContextPickerEntry,
+}
 
-    pub fn path_for_crease_id(&self, crease_id: CreaseId) -> Option<ProjectPath> {
-        self.paths_by_crease_id.get(&crease_id).cloned()
-    }
-
-    pub fn drain(&mut self) -> impl Iterator<Item = CreaseId> {
-        self.paths_by_crease_id.drain().map(|(id, _)| id)
+impl Match {
+    pub fn score(&self) -> f64 {
+        match self {
+            Match::File(file) => file.mat.score,
+            Match::Entry(mode) => mode.mat.as_ref().map(|mat| mat.score).unwrap_or(1.),
+            Match::Thread(_) => 1.,
+            Match::RecentThread(_) => 1.,
+            Match::Symbol(_) => 1.,
+            Match::Rules(_) => 1.,
+            Match::Fetch(_) => 1.,
+        }
     }
 }
 
 pub struct ContextPickerCompletionProvider {
+    message_editor: WeakEntity<MessageEditor>,
     workspace: WeakEntity<Workspace>,
-    editor: WeakEntity<Editor>,
-    mention_set: Arc<Mutex<MentionSet>>,
+    history_store: Entity<HistoryStore>,
+    prompt_store: Option<Entity<PromptStore>>,
+    prompt_capabilities: Rc<Cell<acp::PromptCapabilities>>,
 }
 
 impl ContextPickerCompletionProvider {
     pub fn new(
-        mention_set: Arc<Mutex<MentionSet>>,
+        message_editor: WeakEntity<MessageEditor>,
         workspace: WeakEntity<Workspace>,
-        editor: WeakEntity<Editor>,
+        history_store: Entity<HistoryStore>,
+        prompt_store: Option<Entity<PromptStore>>,
+        prompt_capabilities: Rc<Cell<acp::PromptCapabilities>>,
     ) -> Self {
         Self {
-            mention_set,
+            message_editor,
             workspace,
-            editor,
+            history_store,
+            prompt_store,
+            prompt_capabilities,
         }
     }
 
-    fn completion_for_path(
+    fn completion_for_entry(
+        entry: ContextPickerEntry,
+        source_range: Range<Anchor>,
+        message_editor: WeakEntity<MessageEditor>,
+        workspace: &Entity<Workspace>,
+        cx: &mut App,
+    ) -> Option<Completion> {
+        match entry {
+            ContextPickerEntry::Mode(mode) => Some(Completion {
+                replace_range: source_range,
+                new_text: format!("@{} ", mode.keyword()),
+                label: CodeLabel::plain(mode.label().to_string(), None),
+                icon_path: Some(mode.icon().path().into()),
+                documentation: None,
+                source: project::CompletionSource::Custom,
+                insert_text_mode: None,
+                // This ensures that when a user accepts this completion, the
+                // completion menu will still be shown after "@category " is
+                // inserted
+                confirm: Some(Arc::new(|_, _, _| true)),
+            }),
+            ContextPickerEntry::Action(action) => {
+                Self::completion_for_action(action, source_range, message_editor, workspace, cx)
+            }
+        }
+    }
+
+    fn completion_for_thread(
+        thread_entry: HistoryEntry,
+        source_range: Range<Anchor>,
+        recent: bool,
+        editor: WeakEntity<MessageEditor>,
+        cx: &mut App,
+    ) -> Completion {
+        let uri = thread_entry.mention_uri();
+
+        let icon_for_completion = if recent {
+            IconName::HistoryRerun.path().into()
+        } else {
+            uri.icon_path(cx)
+        };
+
+        let new_text = format!("{} ", uri.as_link());
+
+        let new_text_len = new_text.len();
+        Completion {
+            replace_range: source_range.clone(),
+            new_text,
+            label: CodeLabel::plain(thread_entry.title().to_string(), None),
+            documentation: None,
+            insert_text_mode: None,
+            source: project::CompletionSource::Custom,
+            icon_path: Some(icon_for_completion),
+            confirm: Some(confirm_completion_callback(
+                thread_entry.title().clone(),
+                source_range.start,
+                new_text_len - 1,
+                editor,
+                uri,
+            )),
+        }
+    }
+
+    fn completion_for_rules(
+        rule: RulesContextEntry,
+        source_range: Range<Anchor>,
+        editor: WeakEntity<MessageEditor>,
+        cx: &mut App,
+    ) -> Completion {
+        let uri = MentionUri::Rule {
+            id: rule.prompt_id.into(),
+            name: rule.title.to_string(),
+        };
+        let new_text = format!("{} ", uri.as_link());
+        let new_text_len = new_text.len();
+        let icon_path = uri.icon_path(cx);
+        Completion {
+            replace_range: source_range.clone(),
+            new_text,
+            label: CodeLabel::plain(rule.title.to_string(), None),
+            documentation: None,
+            insert_text_mode: None,
+            source: project::CompletionSource::Custom,
+            icon_path: Some(icon_path),
+            confirm: Some(confirm_completion_callback(
+                rule.title,
+                source_range.start,
+                new_text_len - 1,
+                editor,
+                uri,
+            )),
+        }
+    }
+
+    pub(crate) fn completion_for_path(
         project_path: ProjectPath,
         path_prefix: &str,
         is_recent: bool,
         is_directory: bool,
-        excerpt_id: ExcerptId,
         source_range: Range<Anchor>,
-        editor: Entity<Editor>,
-        mention_set: Arc<Mutex<MentionSet>>,
-        cx: &App,
-    ) -> Completion {
+        message_editor: WeakEntity<MessageEditor>,
+        project: Entity<Project>,
+        cx: &mut App,
+    ) -> Option<Completion> {
         let (file_name, directory) =
-            extract_file_name_and_directory(&project_path.path, path_prefix);
+            crate::context_picker::file_context_picker::extract_file_name_and_directory(
+                &project_path.path,
+                path_prefix,
+            );
 
         let label =
             build_code_label_for_full_path(&file_name, directory.as_ref().map(|s| s.as_ref()), cx);
-        let full_path = if let Some(directory) = directory {
-            format!("{}{}", directory, file_name)
+
+        let abs_path = project.read(cx).absolute_path(&project_path, cx)?;
+
+        let uri = if is_directory {
+            MentionUri::Directory { abs_path }
         } else {
-            file_name.to_string()
+            MentionUri::File { abs_path }
         };
 
-        let crease_icon_path = if is_directory {
-            FileIcons::get_folder_icon(false, cx).unwrap_or_else(|| IconName::Folder.path().into())
-        } else {
-            FileIcons::get_icon(Path::new(&full_path), cx)
-                .unwrap_or_else(|| IconName::File.path().into())
-        };
+        let crease_icon_path = uri.icon_path(cx);
         let completion_icon_path = if is_recent {
             IconName::HistoryRerun.path().into()
         } else {
-            crease_icon_path.clone()
+            crease_icon_path
         };
 
-        let new_text = format!("{} ", MentionLink::for_file(&file_name, &full_path));
+        let new_text = format!("{} ", uri.as_link());
         let new_text_len = new_text.len();
-        Completion {
+        Some(Completion {
             replace_range: source_range.clone(),
             new_text,
             label,
@@ -104,28 +225,409 @@ impl ContextPickerCompletionProvider {
             icon_path: Some(completion_icon_path),
             insert_text_mode: None,
             confirm: Some(confirm_completion_callback(
-                crease_icon_path,
                 file_name,
-                project_path,
-                excerpt_id,
                 source_range.start,
                 new_text_len - 1,
-                editor,
-                mention_set,
+                message_editor,
+                uri,
             )),
+        })
+    }
+
+    fn completion_for_symbol(
+        symbol: Symbol,
+        source_range: Range<Anchor>,
+        message_editor: WeakEntity<MessageEditor>,
+        workspace: Entity<Workspace>,
+        cx: &mut App,
+    ) -> Option<Completion> {
+        let project = workspace.read(cx).project().clone();
+
+        let label = CodeLabel::plain(symbol.name.clone(), None);
+
+        let abs_path = project.read(cx).absolute_path(&symbol.path, cx)?;
+        let uri = MentionUri::Symbol {
+            abs_path,
+            name: symbol.name.clone(),
+            line_range: symbol.range.start.0.row..=symbol.range.end.0.row,
+        };
+        let new_text = format!("{} ", uri.as_link());
+        let new_text_len = new_text.len();
+        let icon_path = uri.icon_path(cx);
+        Some(Completion {
+            replace_range: source_range.clone(),
+            new_text,
+            label,
+            documentation: None,
+            source: project::CompletionSource::Custom,
+            icon_path: Some(icon_path),
+            insert_text_mode: None,
+            confirm: Some(confirm_completion_callback(
+                symbol.name.into(),
+                source_range.start,
+                new_text_len - 1,
+                message_editor,
+                uri,
+            )),
+        })
+    }
+
+    fn completion_for_fetch(
+        source_range: Range<Anchor>,
+        url_to_fetch: SharedString,
+        message_editor: WeakEntity<MessageEditor>,
+        cx: &mut App,
+    ) -> Option<Completion> {
+        let new_text = format!("@fetch {} ", url_to_fetch);
+        let url_to_fetch = url::Url::parse(url_to_fetch.as_ref())
+            .or_else(|_| url::Url::parse(&format!("https://{url_to_fetch}")))
+            .ok()?;
+        let mention_uri = MentionUri::Fetch {
+            url: url_to_fetch.clone(),
+        };
+        let icon_path = mention_uri.icon_path(cx);
+        Some(Completion {
+            replace_range: source_range.clone(),
+            new_text: new_text.clone(),
+            label: CodeLabel::plain(url_to_fetch.to_string(), None),
+            documentation: None,
+            source: project::CompletionSource::Custom,
+            icon_path: Some(icon_path),
+            insert_text_mode: None,
+            confirm: Some(confirm_completion_callback(
+                url_to_fetch.to_string().into(),
+                source_range.start,
+                new_text.len() - 1,
+                message_editor,
+                mention_uri,
+            )),
+        })
+    }
+
+    pub(crate) fn completion_for_action(
+        action: ContextPickerAction,
+        source_range: Range<Anchor>,
+        message_editor: WeakEntity<MessageEditor>,
+        workspace: &Entity<Workspace>,
+        cx: &mut App,
+    ) -> Option<Completion> {
+        let (new_text, on_action) = match action {
+            ContextPickerAction::AddSelections => {
+                const PLACEHOLDER: &str = "selection ";
+                let selections = selection_ranges(workspace, cx)
+                    .into_iter()
+                    .enumerate()
+                    .map(|(ix, (buffer, range))| {
+                        (
+                            buffer,
+                            range,
+                            (PLACEHOLDER.len() * ix)..(PLACEHOLDER.len() * (ix + 1) - 1),
+                        )
+                    })
+                    .collect::<Vec<_>>();
+
+                let new_text: String = PLACEHOLDER.repeat(selections.len());
+
+                let callback = Arc::new({
+                    let source_range = source_range.clone();
+                    move |_, window: &mut Window, cx: &mut App| {
+                        let selections = selections.clone();
+                        let message_editor = message_editor.clone();
+                        let source_range = source_range.clone();
+                        window.defer(cx, move |window, cx| {
+                            message_editor
+                                .update(cx, |message_editor, cx| {
+                                    message_editor.confirm_mention_for_selection(
+                                        source_range,
+                                        selections,
+                                        window,
+                                        cx,
+                                    )
+                                })
+                                .ok();
+                        });
+                        false
+                    }
+                });
+
+                (new_text, callback)
+            }
+        };
+
+        Some(Completion {
+            replace_range: source_range,
+            new_text,
+            label: CodeLabel::plain(action.label().to_string(), None),
+            icon_path: Some(action.icon().path().into()),
+            documentation: None,
+            source: project::CompletionSource::Custom,
+            insert_text_mode: None,
+            // This ensures that when a user accepts this completion, the
+            // completion menu will still be shown after "@category " is
+            // inserted
+            confirm: Some(on_action),
+        })
+    }
+
+    fn search(
+        &self,
+        mode: Option<ContextPickerMode>,
+        query: String,
+        cancellation_flag: Arc<AtomicBool>,
+        cx: &mut App,
+    ) -> Task<Vec<Match>> {
+        let Some(workspace) = self.workspace.upgrade() else {
+            return Task::ready(Vec::default());
+        };
+        match mode {
+            Some(ContextPickerMode::File) => {
+                let search_files_task = search_files(query, cancellation_flag, &workspace, cx);
+                cx.background_spawn(async move {
+                    search_files_task
+                        .await
+                        .into_iter()
+                        .map(Match::File)
+                        .collect()
+                })
+            }
+
+            Some(ContextPickerMode::Symbol) => {
+                let search_symbols_task = search_symbols(query, cancellation_flag, &workspace, cx);
+                cx.background_spawn(async move {
+                    search_symbols_task
+                        .await
+                        .into_iter()
+                        .map(Match::Symbol)
+                        .collect()
+                })
+            }
+
+            Some(ContextPickerMode::Thread) => {
+                let search_threads_task =
+                    search_threads(query, cancellation_flag, &self.history_store, cx);
+                cx.background_spawn(async move {
+                    search_threads_task
+                        .await
+                        .into_iter()
+                        .map(Match::Thread)
+                        .collect()
+                })
+            }
+
+            Some(ContextPickerMode::Fetch) => {
+                if !query.is_empty() {
+                    Task::ready(vec![Match::Fetch(query.into())])
+                } else {
+                    Task::ready(Vec::new())
+                }
+            }
+
+            Some(ContextPickerMode::Rules) => {
+                if let Some(prompt_store) = self.prompt_store.as_ref() {
+                    let search_rules_task =
+                        search_rules(query, cancellation_flag, prompt_store, cx);
+                    cx.background_spawn(async move {
+                        search_rules_task
+                            .await
+                            .into_iter()
+                            .map(Match::Rules)
+                            .collect::<Vec<_>>()
+                    })
+                } else {
+                    Task::ready(Vec::new())
+                }
+            }
+
+            None if query.is_empty() => {
+                let mut matches = self.recent_context_picker_entries(&workspace, cx);
+
+                matches.extend(
+                    self.available_context_picker_entries(&workspace, cx)
+                        .into_iter()
+                        .map(|mode| {
+                            Match::Entry(EntryMatch {
+                                entry: mode,
+                                mat: None,
+                            })
+                        }),
+                );
+
+                Task::ready(matches)
+            }
+            None => {
+                let executor = cx.background_executor().clone();
+
+                let search_files_task =
+                    search_files(query.clone(), cancellation_flag, &workspace, cx);
+
+                let entries = self.available_context_picker_entries(&workspace, cx);
+                let entry_candidates = entries
+                    .iter()
+                    .enumerate()
+                    .map(|(ix, entry)| StringMatchCandidate::new(ix, entry.keyword()))
+                    .collect::<Vec<_>>();
+
+                cx.background_spawn(async move {
+                    let mut matches = search_files_task
+                        .await
+                        .into_iter()
+                        .map(Match::File)
+                        .collect::<Vec<_>>();
+
+                    let entry_matches = fuzzy::match_strings(
+                        &entry_candidates,
+                        &query,
+                        false,
+                        true,
+                        100,
+                        &Arc::new(AtomicBool::default()),
+                        executor,
+                    )
+                    .await;
+
+                    matches.extend(entry_matches.into_iter().map(|mat| {
+                        Match::Entry(EntryMatch {
+                            entry: entries[mat.candidate_id],
+                            mat: Some(mat),
+                        })
+                    }));
+
+                    matches.sort_by(|a, b| {
+                        b.score()
+                            .partial_cmp(&a.score())
+                            .unwrap_or(std::cmp::Ordering::Equal)
+                    });
+
+                    matches
+                })
+            }
         }
     }
+
+    fn recent_context_picker_entries(
+        &self,
+        workspace: &Entity<Workspace>,
+        cx: &mut App,
+    ) -> Vec<Match> {
+        let mut recent = Vec::with_capacity(6);
+
+        let mut mentions = self
+            .message_editor
+            .read_with(cx, |message_editor, _cx| message_editor.mentions())
+            .unwrap_or_default();
+        let workspace = workspace.read(cx);
+        let project = workspace.project().read(cx);
+
+        if let Some(agent_panel) = workspace.panel::<AgentPanel>(cx)
+            && let Some(thread) = agent_panel.read(cx).active_agent_thread(cx)
+        {
+            let thread = thread.read(cx);
+            mentions.insert(MentionUri::Thread {
+                id: thread.session_id().clone(),
+                name: thread.title().into(),
+            });
+        }
+
+        recent.extend(
+            workspace
+                .recent_navigation_history_iter(cx)
+                .filter(|(_, abs_path)| {
+                    abs_path.as_ref().is_none_or(|path| {
+                        !mentions.contains(&MentionUri::File {
+                            abs_path: path.clone(),
+                        })
+                    })
+                })
+                .take(4)
+                .filter_map(|(project_path, _)| {
+                    project
+                        .worktree_for_id(project_path.worktree_id, cx)
+                        .map(|worktree| {
+                            let path_prefix = worktree.read(cx).root_name().into();
+                            Match::File(FileMatch {
+                                mat: fuzzy::PathMatch {
+                                    score: 1.,
+                                    positions: Vec::new(),
+                                    worktree_id: project_path.worktree_id.to_usize(),
+                                    path: project_path.path,
+                                    path_prefix,
+                                    is_dir: false,
+                                    distance_to_relative_ancestor: 0,
+                                },
+                                is_recent: true,
+                            })
+                        })
+                }),
+        );
+
+        if self.prompt_capabilities.get().embedded_context {
+            const RECENT_COUNT: usize = 2;
+            let threads = self
+                .history_store
+                .read(cx)
+                .recently_opened_entries(cx)
+                .into_iter()
+                .filter(|thread| !mentions.contains(&thread.mention_uri()))
+                .take(RECENT_COUNT)
+                .collect::<Vec<_>>();
+
+            recent.extend(threads.into_iter().map(Match::RecentThread));
+        }
+
+        recent
+    }
+
+    fn available_context_picker_entries(
+        &self,
+        workspace: &Entity<Workspace>,
+        cx: &mut App,
+    ) -> Vec<ContextPickerEntry> {
+        let embedded_context = self.prompt_capabilities.get().embedded_context;
+        let mut entries = if embedded_context {
+            vec![
+                ContextPickerEntry::Mode(ContextPickerMode::File),
+                ContextPickerEntry::Mode(ContextPickerMode::Symbol),
+                ContextPickerEntry::Mode(ContextPickerMode::Thread),
+            ]
+        } else {
+            // File is always available, but we don't need a mode entry
+            vec![]
+        };
+
+        let has_selection = workspace
+            .read(cx)
+            .active_item(cx)
+            .and_then(|item| item.downcast::<Editor>())
+            .is_some_and(|editor| {
+                editor.update(cx, |editor, cx| editor.has_non_empty_selection(cx))
+            });
+        if has_selection {
+            entries.push(ContextPickerEntry::Action(
+                ContextPickerAction::AddSelections,
+            ));
+        }
+
+        if embedded_context {
+            if self.prompt_store.is_some() {
+                entries.push(ContextPickerEntry::Mode(ContextPickerMode::Rules));
+            }
+
+            entries.push(ContextPickerEntry::Mode(ContextPickerMode::Fetch));
+        }
+
+        entries
+    }
 }
 
 fn build_code_label_for_full_path(file_name: &str, directory: Option<&str>, cx: &App) -> CodeLabel {
     let comment_id = cx.theme().syntax().highlight_id("comment").map(HighlightId);
     let mut label = CodeLabel::default();
 
-    label.push_str(&file_name, None);
+    label.push_str(file_name, None);
     label.push_str(" ", None);
 
     if let Some(directory) = directory {
-        label.push_str(&directory, comment_id);
+        label.push_str(directory, comment_id);
     }
 
     label.filter_range = 0..label.text().len();
@@ -136,7 +638,7 @@ fn build_code_label_for_full_path(file_name: &str, directory: Option<&str>, cx:
 impl CompletionProvider for ContextPickerCompletionProvider {
     fn completions(
         &self,
-        excerpt_id: ExcerptId,
+        _excerpt_id: ExcerptId,
         buffer: &Entity<Buffer>,
         buffer_position: Anchor,
         _trigger: CompletionContext,
@@ -149,7 +651,11 @@ impl CompletionProvider for ContextPickerCompletionProvider {
             let offset_to_line = buffer.point_to_offset(line_start);
             let mut lines = buffer.text_for_range(line_start..position).lines();
             let line = lines.next()?;
-            MentionCompletion::try_parse(line, offset_to_line)
+            MentionCompletion::try_parse(
+                self.prompt_capabilities.get().embedded_context,
+                line,
+                offset_to_line,
+            )
         });
         let Some(state) = state else {
             return Task::ready(Ok(Vec::new()));
@@ -159,44 +665,88 @@ impl CompletionProvider for ContextPickerCompletionProvider {
             return Task::ready(Ok(Vec::new()));
         };
 
+        let project = workspace.read(cx).project().clone();
         let snapshot = buffer.read(cx).snapshot();
         let source_range = snapshot.anchor_before(state.source_range.start)
             ..snapshot.anchor_after(state.source_range.end);
 
-        let editor = self.editor.clone();
-        let mention_set = self.mention_set.clone();
-        let MentionCompletion { argument, .. } = state;
+        let editor = self.message_editor.clone();
+
+        let MentionCompletion { mode, argument, .. } = state;
         let query = argument.unwrap_or_else(|| "".to_string());
 
-        let search_task = search_files(query.clone(), Arc::<AtomicBool>::default(), &workspace, cx);
+        let search_task = self.search(mode, query, Arc::<AtomicBool>::default(), cx);
 
         cx.spawn(async move |_, cx| {
             let matches = search_task.await;
-            let Some(editor) = editor.upgrade() else {
-                return Ok(Vec::new());
-            };
 
             let completions = cx.update(|cx| {
                 matches
                     .into_iter()
-                    .map(|mat| {
-                        let path_match = &mat.mat;
-                        let project_path = ProjectPath {
-                            worktree_id: WorktreeId::from_usize(path_match.worktree_id),
-                            path: path_match.path.clone(),
-                        };
+                    .filter_map(|mat| match mat {
+                        Match::File(FileMatch { mat, is_recent }) => {
+                            let project_path = ProjectPath {
+                                worktree_id: WorktreeId::from_usize(mat.worktree_id),
+                                path: mat.path.clone(),
+                            };
 
-                        Self::completion_for_path(
-                            project_path,
-                            &path_match.path_prefix,
-                            mat.is_recent,
-                            path_match.is_dir,
-                            excerpt_id,
+                            Self::completion_for_path(
+                                project_path,
+                                &mat.path_prefix,
+                                is_recent,
+                                mat.is_dir,
+                                source_range.clone(),
+                                editor.clone(),
+                                project.clone(),
+                                cx,
+                            )
+                        }
+
+                        Match::Symbol(SymbolMatch { symbol, .. }) => Self::completion_for_symbol(
+                            symbol,
                             source_range.clone(),
                             editor.clone(),
-                            mention_set.clone(),
+                            workspace.clone(),
                             cx,
-                        )
+                        ),
+
+                        Match::Thread(thread) => Some(Self::completion_for_thread(
+                            thread,
+                            source_range.clone(),
+                            false,
+                            editor.clone(),
+                            cx,
+                        )),
+
+                        Match::RecentThread(thread) => Some(Self::completion_for_thread(
+                            thread,
+                            source_range.clone(),
+                            true,
+                            editor.clone(),
+                            cx,
+                        )),
+
+                        Match::Rules(user_rules) => Some(Self::completion_for_rules(
+                            user_rules,
+                            source_range.clone(),
+                            editor.clone(),
+                            cx,
+                        )),
+
+                        Match::Fetch(url) => Self::completion_for_fetch(
+                            source_range.clone(),
+                            url,
+                            editor.clone(),
+                            cx,
+                        ),
+
+                        Match::Entry(EntryMatch { entry, .. }) => Self::completion_for_entry(
+                            entry,
+                            source_range.clone(),
+                            editor.clone(),
+                            &workspace,
+                            cx,
+                        ),
                     })
                     .collect()
             })?;
@@ -225,12 +775,16 @@ impl CompletionProvider for ContextPickerCompletionProvider {
         let offset_to_line = buffer.point_to_offset(line_start);
         let mut lines = buffer.text_for_range(line_start..position).lines();
         if let Some(line) = lines.next() {
-            MentionCompletion::try_parse(line, offset_to_line)
-                .map(|completion| {
-                    completion.source_range.start <= offset_to_line + position.column as usize
-                        && completion.source_range.end >= offset_to_line + position.column as usize
-                })
-                .unwrap_or(false)
+            MentionCompletion::try_parse(
+                self.prompt_capabilities.get().embedded_context,
+                line,
+                offset_to_line,
+            )
+            .map(|completion| {
+                completion.source_range.start <= offset_to_line + position.column as usize
+                    && completion.source_range.end >= offset_to_line + position.column as usize
+            })
+            .unwrap_or(false)
         } else {
             false
         }
@@ -245,36 +799,69 @@ impl CompletionProvider for ContextPickerCompletionProvider {
     }
 }
 
+pub(crate) fn search_threads(
+    query: String,
+    cancellation_flag: Arc<AtomicBool>,
+    history_store: &Entity<HistoryStore>,
+    cx: &mut App,
+) -> Task<Vec<HistoryEntry>> {
+    let threads = history_store.read(cx).entries().collect();
+    if query.is_empty() {
+        return Task::ready(threads);
+    }
+
+    let executor = cx.background_executor().clone();
+    cx.background_spawn(async move {
+        let candidates = threads
+            .iter()
+            .enumerate()
+            .map(|(id, thread)| StringMatchCandidate::new(id, thread.title()))
+            .collect::<Vec<_>>();
+        let matches = fuzzy::match_strings(
+            &candidates,
+            &query,
+            false,
+            true,
+            100,
+            &cancellation_flag,
+            executor,
+        )
+        .await;
+
+        matches
+            .into_iter()
+            .map(|mat| threads[mat.candidate_id].clone())
+            .collect()
+    })
+}
+
 fn confirm_completion_callback(
-    crease_icon_path: SharedString,
     crease_text: SharedString,
-    project_path: ProjectPath,
-    excerpt_id: ExcerptId,
     start: Anchor,
     content_len: usize,
-    editor: Entity<Editor>,
-    mention_set: Arc<Mutex<MentionSet>>,
+    message_editor: WeakEntity<MessageEditor>,
+    mention_uri: MentionUri,
 ) -> Arc<dyn Fn(CompletionIntent, &mut Window, &mut App) -> bool + Send + Sync> {
     Arc::new(move |_, window, cx| {
+        let message_editor = message_editor.clone();
         let crease_text = crease_text.clone();
-        let crease_icon_path = crease_icon_path.clone();
-        let editor = editor.clone();
-        let project_path = project_path.clone();
-        let mention_set = mention_set.clone();
+        let mention_uri = mention_uri.clone();
         window.defer(cx, move |window, cx| {
-            let crease_id = crate::context_picker::insert_crease_for_mention(
-                excerpt_id,
-                start,
-                content_len,
-                crease_text.clone(),
-                crease_icon_path,
-                editor.clone(),
-                window,
-                cx,
-            );
-            if let Some(crease_id) = crease_id {
-                mention_set.lock().insert(crease_id, project_path);
-            }
+            message_editor
+                .clone()
+                .update(cx, |message_editor, cx| {
+                    message_editor
+                        .confirm_completion(
+                            crease_text,
+                            start,
+                            content_len,
+                            mention_uri,
+                            window,
+                            cx,
+                        )
+                        .detach();
+                })
+                .ok();
         });
         false
     })
@@ -283,11 +870,12 @@ fn confirm_completion_callback(
 #[derive(Debug, Default, PartialEq)]
 struct MentionCompletion {
     source_range: Range<usize>,
+    mode: Option<ContextPickerMode>,
     argument: Option<String>,
 }
 
 impl MentionCompletion {
-    fn try_parse(line: &str, offset_to_line: usize) -> Option<Self> {
+    fn try_parse(allow_non_file_mentions: bool, line: &str, offset_to_line: usize) -> Option<Self> {
         let last_mention_start = line.rfind('@')?;
         if last_mention_start >= line.len() {
             return Some(Self::default());
@@ -296,23 +884,45 @@ impl MentionCompletion {
             && line
                 .chars()
                 .nth(last_mention_start - 1)
-                .map_or(false, |c| !c.is_whitespace())
+                .is_some_and(|c| !c.is_whitespace())
         {
             return None;
         }
 
         let rest_of_line = &line[last_mention_start + 1..];
+
+        let mut mode = None;
         let mut argument = None;
 
         let mut parts = rest_of_line.split_whitespace();
         let mut end = last_mention_start + 1;
-        if let Some(argument_text) = parts.next() {
-            end += argument_text.len();
-            argument = Some(argument_text.to_string());
+        if let Some(mode_text) = parts.next() {
+            end += mode_text.len();
+
+            if let Some(parsed_mode) = ContextPickerMode::try_from(mode_text).ok()
+                && (allow_non_file_mentions || matches!(parsed_mode, ContextPickerMode::File))
+            {
+                mode = Some(parsed_mode);
+            } else {
+                argument = Some(mode_text.to_string());
+            }
+            match rest_of_line[mode_text.len()..].find(|c: char| !c.is_whitespace()) {
+                Some(whitespace_count) => {
+                    if let Some(argument_text) = parts.next() {
+                        argument = Some(argument_text.to_string());
+                        end += whitespace_count + argument_text.len();
+                    }
+                }
+                None => {
+                    // Rest of line is entirely whitespace
+                    end += rest_of_line.len() - mode_text.len();
+                }
+            }
         }
 
         Some(Self {
             source_range: last_mention_start + offset_to_line..end + offset_to_line,
+            mode,
             argument,
         })
     }
@@ -321,254 +931,96 @@ impl MentionCompletion {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use gpui::{EventEmitter, FocusHandle, Focusable, TestAppContext, VisualTestContext};
-    use project::{Project, ProjectPath};
-    use serde_json::json;
-    use settings::SettingsStore;
-    use std::{ops::Deref, rc::Rc};
-    use util::path;
-    use workspace::{AppState, Item};
 
     #[test]
     fn test_mention_completion_parse() {
-        assert_eq!(MentionCompletion::try_parse("Lorem Ipsum", 0), None);
+        assert_eq!(MentionCompletion::try_parse(true, "Lorem Ipsum", 0), None);
 
         assert_eq!(
-            MentionCompletion::try_parse("Lorem @", 0),
+            MentionCompletion::try_parse(true, "Lorem @", 0),
             Some(MentionCompletion {
                 source_range: 6..7,
+                mode: None,
                 argument: None,
             })
         );
 
         assert_eq!(
-            MentionCompletion::try_parse("Lorem @main", 0),
+            MentionCompletion::try_parse(true, "Lorem @file", 0),
             Some(MentionCompletion {
                 source_range: 6..11,
+                mode: Some(ContextPickerMode::File),
+                argument: None,
+            })
+        );
+
+        assert_eq!(
+            MentionCompletion::try_parse(true, "Lorem @file ", 0),
+            Some(MentionCompletion {
+                source_range: 6..12,
+                mode: Some(ContextPickerMode::File),
+                argument: None,
+            })
+        );
+
+        assert_eq!(
+            MentionCompletion::try_parse(true, "Lorem @file main.rs", 0),
+            Some(MentionCompletion {
+                source_range: 6..19,
+                mode: Some(ContextPickerMode::File),
+                argument: Some("main.rs".to_string()),
+            })
+        );
+
+        assert_eq!(
+            MentionCompletion::try_parse(true, "Lorem @file main.rs ", 0),
+            Some(MentionCompletion {
+                source_range: 6..19,
+                mode: Some(ContextPickerMode::File),
+                argument: Some("main.rs".to_string()),
+            })
+        );
+
+        assert_eq!(
+            MentionCompletion::try_parse(true, "Lorem @file main.rs Ipsum", 0),
+            Some(MentionCompletion {
+                source_range: 6..19,
+                mode: Some(ContextPickerMode::File),
+                argument: Some("main.rs".to_string()),
+            })
+        );
+
+        assert_eq!(
+            MentionCompletion::try_parse(true, "Lorem @main", 0),
+            Some(MentionCompletion {
+                source_range: 6..11,
+                mode: None,
                 argument: Some("main".to_string()),
             })
         );
 
-        assert_eq!(MentionCompletion::try_parse("test@", 0), None);
-    }
+        assert_eq!(MentionCompletion::try_parse(true, "test@", 0), None);
 
-    struct AtMentionEditor(Entity<Editor>);
+        // Allowed non-file mentions
 
-    impl Item for AtMentionEditor {
-        type Event = ();
+        assert_eq!(
+            MentionCompletion::try_parse(true, "Lorem @symbol main", 0),
+            Some(MentionCompletion {
+                source_range: 6..18,
+                mode: Some(ContextPickerMode::Symbol),
+                argument: Some("main".to_string()),
+            })
+        );
 
-        fn include_in_nav_history() -> bool {
-            false
-        }
+        // Disallowed non-file mentions
 
-        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
-            "Test".into()
-        }
-    }
-
-    impl EventEmitter<()> for AtMentionEditor {}
-
-    impl Focusable for AtMentionEditor {
-        fn focus_handle(&self, cx: &App) -> FocusHandle {
-            self.0.read(cx).focus_handle(cx).clone()
-        }
-    }
-
-    impl Render for AtMentionEditor {
-        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
-            self.0.clone().into_any_element()
-        }
-    }
-
-    #[gpui::test]
-    async fn test_context_completion_provider(cx: &mut TestAppContext) {
-        init_test(cx);
-
-        let app_state = cx.update(AppState::test);
-
-        cx.update(|cx| {
-            language::init(cx);
-            editor::init(cx);
-            workspace::init(app_state.clone(), cx);
-            Project::init_settings(cx);
-        });
-
-        app_state
-            .fs
-            .as_fake()
-            .insert_tree(
-                path!("/dir"),
-                json!({
-                    "editor": "",
-                    "a": {
-                        "one.txt": "",
-                        "two.txt": "",
-                        "three.txt": "",
-                        "four.txt": ""
-                    },
-                    "b": {
-                        "five.txt": "",
-                        "six.txt": "",
-                        "seven.txt": "",
-                        "eight.txt": "",
-                    }
-                }),
-            )
-            .await;
-
-        let project = Project::test(app_state.fs.clone(), [path!("/dir").as_ref()], cx).await;
-        let window = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
-        let workspace = window.root(cx).unwrap();
-
-        let worktree = project.update(cx, |project, cx| {
-            let mut worktrees = project.worktrees(cx).collect::<Vec<_>>();
-            assert_eq!(worktrees.len(), 1);
-            worktrees.pop().unwrap()
-        });
-        let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
-
-        let mut cx = VisualTestContext::from_window(*window.deref(), cx);
-
-        let paths = vec![
-            path!("a/one.txt"),
-            path!("a/two.txt"),
-            path!("a/three.txt"),
-            path!("a/four.txt"),
-            path!("b/five.txt"),
-            path!("b/six.txt"),
-            path!("b/seven.txt"),
-            path!("b/eight.txt"),
-        ];
-
-        let mut opened_editors = Vec::new();
-        for path in paths {
-            let buffer = workspace
-                .update_in(&mut cx, |workspace, window, cx| {
-                    workspace.open_path(
-                        ProjectPath {
-                            worktree_id,
-                            path: Path::new(path).into(),
-                        },
-                        None,
-                        false,
-                        window,
-                        cx,
-                    )
-                })
-                .await
-                .unwrap();
-            opened_editors.push(buffer);
-        }
-
-        let editor = workspace.update_in(&mut cx, |workspace, window, cx| {
-            let editor = cx.new(|cx| {
-                Editor::new(
-                    editor::EditorMode::full(),
-                    multi_buffer::MultiBuffer::build_simple("", cx),
-                    None,
-                    window,
-                    cx,
-                )
-            });
-            workspace.active_pane().update(cx, |pane, cx| {
-                pane.add_item(
-                    Box::new(cx.new(|_| AtMentionEditor(editor.clone()))),
-                    true,
-                    true,
-                    None,
-                    window,
-                    cx,
-                );
-            });
-            editor
-        });
-
-        let mention_set = Arc::new(Mutex::new(MentionSet::default()));
-
-        let editor_entity = editor.downgrade();
-        editor.update_in(&mut cx, |editor, window, cx| {
-            window.focus(&editor.focus_handle(cx));
-            editor.set_completion_provider(Some(Rc::new(ContextPickerCompletionProvider::new(
-                mention_set.clone(),
-                workspace.downgrade(),
-                editor_entity,
-            ))));
-        });
-
-        cx.simulate_input("Lorem ");
-
-        editor.update(&mut cx, |editor, cx| {
-            assert_eq!(editor.text(cx), "Lorem ");
-            assert!(!editor.has_visible_completions_menu());
-        });
-
-        cx.simulate_input("@");
-
-        editor.update(&mut cx, |editor, cx| {
-            assert_eq!(editor.text(cx), "Lorem @");
-            assert!(editor.has_visible_completions_menu());
-            assert_eq!(
-                current_completion_labels(editor),
-                &[
-                    "eight.txt dir/b/",
-                    "seven.txt dir/b/",
-                    "six.txt dir/b/",
-                    "five.txt dir/b/",
-                    "four.txt dir/a/",
-                    "three.txt dir/a/",
-                    "two.txt dir/a/",
-                    "one.txt dir/a/",
-                    "dir ",
-                    "a dir/",
-                    "four.txt dir/a/",
-                    "one.txt dir/a/",
-                    "three.txt dir/a/",
-                    "two.txt dir/a/",
-                    "b dir/",
-                    "eight.txt dir/b/",
-                    "five.txt dir/b/",
-                    "seven.txt dir/b/",
-                    "six.txt dir/b/",
-                    "editor dir/"
-                ]
-            );
-        });
-
-        // Select and confirm "File"
-        editor.update_in(&mut cx, |editor, window, cx| {
-            assert!(editor.has_visible_completions_menu());
-            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
-            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
-            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
-            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
-            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
-        });
-
-        cx.run_until_parked();
-
-        editor.update(&mut cx, |editor, cx| {
-            assert_eq!(editor.text(cx), "Lorem [@four.txt](@file:dir/a/four.txt) ");
-        });
-    }
-
-    fn current_completion_labels(editor: &Editor) -> Vec<String> {
-        let completions = editor.current_completions().expect("Missing completions");
-        completions
-            .into_iter()
-            .map(|completion| completion.label.text.to_string())
-            .collect::<Vec<_>>()
-    }
-
-    pub(crate) fn init_test(cx: &mut TestAppContext) {
-        cx.update(|cx| {
-            let store = SettingsStore::test(cx);
-            cx.set_global(store);
-            theme::init(theme::LoadThemes::JustBase, cx);
-            client::init_settings(cx);
-            language::init(cx);
-            Project::init_settings(cx);
-            workspace::init_settings(cx);
-            editor::init_settings(cx);
-        });
+        assert_eq!(
+            MentionCompletion::try_parse(false, "Lorem @symbol main", 0),
+            Some(MentionCompletion {
+                source_range: 6..18,
+                mode: None,
+                argument: Some("main".to_string()),
+            })
+        );
     }
 }
diff --git a/crates/agent_ui/src/acp/entry_view_state.rs b/crates/agent_ui/src/acp/entry_view_state.rs
new file mode 100644
index 0000000000..0e4080d689
--- /dev/null
+++ b/crates/agent_ui/src/acp/entry_view_state.rs
@@ -0,0 +1,482 @@
+use std::{cell::Cell, ops::Range, rc::Rc};
+
+use acp_thread::{AcpThread, AgentThreadEntry};
+use agent_client_protocol::{PromptCapabilities, ToolCallId};
+use agent2::HistoryStore;
+use collections::HashMap;
+use editor::{Editor, EditorMode, MinimapVisibility};
+use gpui::{
+    AnyEntity, App, AppContext as _, Entity, EntityId, EventEmitter, Focusable,
+    TextStyleRefinement, WeakEntity, Window,
+};
+use language::language_settings::SoftWrap;
+use project::Project;
+use prompt_store::PromptStore;
+use settings::Settings as _;
+use terminal_view::TerminalView;
+use theme::ThemeSettings;
+use ui::{Context, TextSize};
+use workspace::Workspace;
+
+use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
+
+pub struct EntryViewState {
+    workspace: WeakEntity<Workspace>,
+    project: Entity<Project>,
+    history_store: Entity<HistoryStore>,
+    prompt_store: Option<Entity<PromptStore>>,
+    entries: Vec<Entry>,
+    prevent_slash_commands: bool,
+    prompt_capabilities: Rc<Cell<PromptCapabilities>>,
+}
+
+impl EntryViewState {
+    pub fn new(
+        workspace: WeakEntity<Workspace>,
+        project: Entity<Project>,
+        history_store: Entity<HistoryStore>,
+        prompt_store: Option<Entity<PromptStore>>,
+        prompt_capabilities: Rc<Cell<PromptCapabilities>>,
+        prevent_slash_commands: bool,
+    ) -> Self {
+        Self {
+            workspace,
+            project,
+            history_store,
+            prompt_store,
+            entries: Vec::new(),
+            prevent_slash_commands,
+            prompt_capabilities,
+        }
+    }
+
+    pub fn entry(&self, index: usize) -> Option<&Entry> {
+        self.entries.get(index)
+    }
+
+    pub fn sync_entry(
+        &mut self,
+        index: usize,
+        thread: &Entity<AcpThread>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let Some(thread_entry) = thread.read(cx).entries().get(index) else {
+            return;
+        };
+
+        match thread_entry {
+            AgentThreadEntry::UserMessage(message) => {
+                let has_id = message.id.is_some();
+                let chunks = message.chunks.clone();
+                if let Some(Entry::UserMessage(editor)) = self.entries.get_mut(index) {
+                    if !editor.focus_handle(cx).is_focused(window) {
+                        // Only update if we are not editing.
+                        // If we are, cancelling the edit will set the message to the newest content.
+                        editor.update(cx, |editor, cx| {
+                            editor.set_message(chunks, window, cx);
+                        });
+                    }
+                } else {
+                    let message_editor = cx.new(|cx| {
+                        let mut editor = MessageEditor::new(
+                            self.workspace.clone(),
+                            self.project.clone(),
+                            self.history_store.clone(),
+                            self.prompt_store.clone(),
+                            self.prompt_capabilities.clone(),
+                            "Edit message － @ to include context",
+                            self.prevent_slash_commands,
+                            editor::EditorMode::AutoHeight {
+                                min_lines: 1,
+                                max_lines: None,
+                            },
+                            window,
+                            cx,
+                        );
+                        if !has_id {
+                            editor.set_read_only(true, cx);
+                        }
+                        editor.set_message(chunks, window, cx);
+                        editor
+                    });
+                    cx.subscribe(&message_editor, move |_, editor, event, cx| {
+                        cx.emit(EntryViewEvent {
+                            entry_index: index,
+                            view_event: ViewEvent::MessageEditorEvent(editor, *event),
+                        })
+                    })
+                    .detach();
+                    self.set_entry(index, Entry::UserMessage(message_editor));
+                }
+            }
+            AgentThreadEntry::ToolCall(tool_call) => {
+                let id = tool_call.id.clone();
+                let terminals = tool_call.terminals().cloned().collect::<Vec<_>>();
+                let diffs = tool_call.diffs().cloned().collect::<Vec<_>>();
+
+                let views = if let Some(Entry::Content(views)) = self.entries.get_mut(index) {
+                    views
+                } else {
+                    self.set_entry(index, Entry::empty());
+                    let Some(Entry::Content(views)) = self.entries.get_mut(index) else {
+                        unreachable!()
+                    };
+                    views
+                };
+
+                for terminal in terminals {
+                    views.entry(terminal.entity_id()).or_insert_with(|| {
+                        let element = create_terminal(
+                            self.workspace.clone(),
+                            self.project.clone(),
+                            terminal.clone(),
+                            window,
+                            cx,
+                        )
+                        .into_any();
+                        cx.emit(EntryViewEvent {
+                            entry_index: index,
+                            view_event: ViewEvent::NewTerminal(id.clone()),
+                        });
+                        element
+                    });
+                }
+
+                for diff in diffs {
+                    views.entry(diff.entity_id()).or_insert_with(|| {
+                        let element = create_editor_diff(diff.clone(), window, cx).into_any();
+                        cx.emit(EntryViewEvent {
+                            entry_index: index,
+                            view_event: ViewEvent::NewDiff(id.clone()),
+                        });
+                        element
+                    });
+                }
+            }
+            AgentThreadEntry::AssistantMessage(_) => {
+                if index == self.entries.len() {
+                    self.entries.push(Entry::empty())
+                }
+            }
+        };
+    }
+
+    fn set_entry(&mut self, index: usize, entry: Entry) {
+        if index == self.entries.len() {
+            self.entries.push(entry);
+        } else {
+            self.entries[index] = entry;
+        }
+    }
+
+    pub fn remove(&mut self, range: Range<usize>) {
+        self.entries.drain(range);
+    }
+
+    pub fn settings_changed(&mut self, cx: &mut App) {
+        for entry in self.entries.iter() {
+            match entry {
+                Entry::UserMessage { .. } => {}
+                Entry::Content(response_views) => {
+                    for view in response_views.values() {
+                        if let Ok(diff_editor) = view.clone().downcast::<Editor>() {
+                            diff_editor.update(cx, |diff_editor, cx| {
+                                diff_editor.set_text_style_refinement(
+                                    diff_editor_text_style_refinement(cx),
+                                );
+                                cx.notify();
+                            })
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+impl EventEmitter<EntryViewEvent> for EntryViewState {}
+
+pub struct EntryViewEvent {
+    pub entry_index: usize,
+    pub view_event: ViewEvent,
+}
+
+pub enum ViewEvent {
+    NewDiff(ToolCallId),
+    NewTerminal(ToolCallId),
+    MessageEditorEvent(Entity<MessageEditor>, MessageEditorEvent),
+}
+
+#[derive(Debug)]
+pub enum Entry {
+    UserMessage(Entity<MessageEditor>),
+    Content(HashMap<EntityId, AnyEntity>),
+}
+
+impl Entry {
+    pub fn message_editor(&self) -> Option<&Entity<MessageEditor>> {
+        match self {
+            Self::UserMessage(editor) => Some(editor),
+            Entry::Content(_) => None,
+        }
+    }
+
+    pub fn editor_for_diff(&self, diff: &Entity<acp_thread::Diff>) -> Option<Entity<Editor>> {
+        self.content_map()?
+            .get(&diff.entity_id())
+            .cloned()
+            .map(|entity| entity.downcast::<Editor>().unwrap())
+    }
+
+    pub fn terminal(
+        &self,
+        terminal: &Entity<acp_thread::Terminal>,
+    ) -> Option<Entity<TerminalView>> {
+        self.content_map()?
+            .get(&terminal.entity_id())
+            .cloned()
+            .map(|entity| entity.downcast::<TerminalView>().unwrap())
+    }
+
+    fn content_map(&self) -> Option<&HashMap<EntityId, AnyEntity>> {
+        match self {
+            Self::Content(map) => Some(map),
+            _ => None,
+        }
+    }
+
+    fn empty() -> Self {
+        Self::Content(HashMap::default())
+    }
+
+    #[cfg(test)]
+    pub fn has_content(&self) -> bool {
+        match self {
+            Self::Content(map) => !map.is_empty(),
+            Self::UserMessage(_) => false,
+        }
+    }
+}
+
+fn create_terminal(
+    workspace: WeakEntity<Workspace>,
+    project: Entity<Project>,
+    terminal: Entity<acp_thread::Terminal>,
+    window: &mut Window,
+    cx: &mut App,
+) -> Entity<TerminalView> {
+    cx.new(|cx| {
+        let mut view = TerminalView::new(
+            terminal.read(cx).inner().clone(),
+            workspace.clone(),
+            None,
+            project.downgrade(),
+            window,
+            cx,
+        );
+        view.set_embedded_mode(Some(1000), cx);
+        view
+    })
+}
+
+fn create_editor_diff(
+    diff: Entity<acp_thread::Diff>,
+    window: &mut Window,
+    cx: &mut App,
+) -> Entity<Editor> {
+    cx.new(|cx| {
+        let mut editor = Editor::new(
+            EditorMode::Full {
+                scale_ui_elements_with_buffer_font_size: false,
+                show_active_line_background: false,
+                sized_by_content: true,
+            },
+            diff.read(cx).multibuffer().clone(),
+            None,
+            window,
+            cx,
+        );
+        editor.set_show_gutter(false, cx);
+        editor.disable_inline_diagnostics();
+        editor.disable_expand_excerpt_buttons(cx);
+        editor.set_show_vertical_scrollbar(false, cx);
+        editor.set_minimap_visibility(MinimapVisibility::Disabled, window, cx);
+        editor.set_soft_wrap_mode(SoftWrap::None, cx);
+        editor.scroll_manager.set_forbid_vertical_scroll(true);
+        editor.set_show_indent_guides(false, cx);
+        editor.set_read_only(true);
+        editor.set_show_breakpoints(false, cx);
+        editor.set_show_code_actions(false, cx);
+        editor.set_show_git_diff_gutter(false, cx);
+        editor.set_expand_all_diff_hunks(cx);
+        editor.set_text_style_refinement(diff_editor_text_style_refinement(cx));
+        editor
+    })
+}
+
+fn diff_editor_text_style_refinement(cx: &mut App) -> TextStyleRefinement {
+    TextStyleRefinement {
+        font_size: Some(
+            TextSize::Small
+                .rems(cx)
+                .to_pixels(ThemeSettings::get_global(cx).agent_font_size(cx))
+                .into(),
+        ),
+        ..Default::default()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::{path::Path, rc::Rc};
+
+    use acp_thread::{AgentConnection, StubAgentConnection};
+    use agent_client_protocol as acp;
+    use agent_settings::AgentSettings;
+    use agent2::HistoryStore;
+    use assistant_context::ContextStore;
+    use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
+    use editor::{EditorSettings, RowInfo};
+    use fs::FakeFs;
+    use gpui::{AppContext as _, SemanticVersion, TestAppContext};
+
+    use crate::acp::entry_view_state::EntryViewState;
+    use multi_buffer::MultiBufferRow;
+    use pretty_assertions::assert_matches;
+    use project::Project;
+    use serde_json::json;
+    use settings::{Settings as _, SettingsStore};
+    use theme::ThemeSettings;
+    use util::path;
+    use workspace::Workspace;
+
+    #[gpui::test]
+    async fn test_diff_sync(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/project",
+            json!({
+                "hello.txt": "hi world"
+            }),
+        )
+        .await;
+        let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
+
+        let (workspace, cx) =
+            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
+
+        let tool_call = acp::ToolCall {
+            id: acp::ToolCallId("tool".into()),
+            title: "Tool call".into(),
+            kind: acp::ToolKind::Other,
+            status: acp::ToolCallStatus::InProgress,
+            content: vec![acp::ToolCallContent::Diff {
+                diff: acp::Diff {
+                    path: "/project/hello.txt".into(),
+                    old_text: Some("hi world".into()),
+                    new_text: "hello world".into(),
+                },
+            }],
+            locations: vec![],
+            raw_input: None,
+            raw_output: None,
+        };
+        let connection = Rc::new(StubAgentConnection::new());
+        let thread = cx
+            .update(|_, cx| {
+                connection
+                    .clone()
+                    .new_thread(project.clone(), Path::new(path!("/project")), cx)
+            })
+            .await
+            .unwrap();
+        let session_id = thread.update(cx, |thread, _| thread.session_id().clone());
+
+        cx.update(|_, cx| {
+            connection.send_update(session_id, acp::SessionUpdate::ToolCall(tool_call), cx)
+        });
+
+        let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
+        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
+
+        let view_state = cx.new(|_cx| {
+            EntryViewState::new(
+                workspace.downgrade(),
+                project.clone(),
+                history_store,
+                None,
+                Default::default(),
+                false,
+            )
+        });
+
+        view_state.update_in(cx, |view_state, window, cx| {
+            view_state.sync_entry(0, &thread, window, cx)
+        });
+
+        let diff = thread.read_with(cx, |thread, _cx| {
+            thread
+                .entries()
+                .get(0)
+                .unwrap()
+                .diffs()
+                .next()
+                .unwrap()
+                .clone()
+        });
+
+        cx.run_until_parked();
+
+        let diff_editor = view_state.read_with(cx, |view_state, _cx| {
+            view_state.entry(0).unwrap().editor_for_diff(&diff).unwrap()
+        });
+        assert_eq!(
+            diff_editor.read_with(cx, |editor, cx| editor.text(cx)),
+            "hi world\nhello world"
+        );
+        let row_infos = diff_editor.read_with(cx, |editor, cx| {
+            let multibuffer = editor.buffer().read(cx);
+            multibuffer
+                .snapshot(cx)
+                .row_infos(MultiBufferRow(0))
+                .collect::<Vec<_>>()
+        });
+        assert_matches!(
+            row_infos.as_slice(),
+            [
+                RowInfo {
+                    multibuffer_row: Some(MultiBufferRow(0)),
+                    diff_status: Some(DiffHunkStatus {
+                        kind: DiffHunkStatusKind::Deleted,
+                        ..
+                    }),
+                    ..
+                },
+                RowInfo {
+                    multibuffer_row: Some(MultiBufferRow(1)),
+                    diff_status: Some(DiffHunkStatus {
+                        kind: DiffHunkStatusKind::Added,
+                        ..
+                    }),
+                    ..
+                }
+            ]
+        );
+    }
+
+    fn init_test(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            Project::init_settings(cx);
+            AgentSettings::register(cx);
+            workspace::init_settings(cx);
+            ThemeSettings::register(cx);
+            release_channel::init(SemanticVersion::default(), cx);
+            EditorSettings::register(cx);
+        });
+    }
+}
diff --git a/crates/agent_ui/src/acp/message_editor.rs b/crates/agent_ui/src/acp/message_editor.rs
new file mode 100644
index 0000000000..12ae893c31
--- /dev/null
+++ b/crates/agent_ui/src/acp/message_editor.rs
@@ -0,0 +1,2286 @@
+use crate::{
+    acp::completion_provider::ContextPickerCompletionProvider,
+    context_picker::{ContextPickerAction, fetch_context_picker::fetch_url_content},
+};
+use acp_thread::{MentionUri, selection_name};
+use agent_client_protocol as acp;
+use agent_servers::AgentServer;
+use agent2::HistoryStore;
+use anyhow::{Result, anyhow};
+use assistant_slash_commands::codeblock_fence_for_path;
+use collections::{HashMap, HashSet};
+use editor::{
+    Addon, Anchor, AnchorRangeExt, ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement,
+    EditorEvent, EditorMode, EditorSnapshot, EditorStyle, ExcerptId, FoldPlaceholder, MultiBuffer,
+    SemanticsProvider, ToOffset,
+    actions::Paste,
+    display_map::{Crease, CreaseId, FoldId},
+};
+use futures::{
+    FutureExt as _,
+    future::{Shared, join_all},
+};
+use gpui::{
+    Animation, AnimationExt as _, AppContext, ClipboardEntry, Context, Entity, EntityId,
+    EventEmitter, FocusHandle, Focusable, HighlightStyle, Image, ImageFormat, Img, KeyContext,
+    Subscription, Task, TextStyle, UnderlineStyle, WeakEntity, pulsating_between,
+};
+use language::{Buffer, Language};
+use language_model::LanguageModelImage;
+use postage::stream::Stream as _;
+use project::{CompletionIntent, Project, ProjectItem, ProjectPath, Worktree};
+use prompt_store::{PromptId, PromptStore};
+use rope::Point;
+use settings::Settings;
+use std::{
+    cell::Cell,
+    ffi::OsStr,
+    fmt::Write,
+    ops::{Range, RangeInclusive},
+    path::{Path, PathBuf},
+    rc::Rc,
+    sync::Arc,
+    time::Duration,
+};
+use text::{OffsetRangeExt, ToOffset as _};
+use theme::ThemeSettings;
+use ui::{
+    ActiveTheme, AnyElement, App, ButtonCommon, ButtonLike, ButtonStyle, Color, Element as _,
+    FluentBuilder as _, Icon, IconName, IconSize, InteractiveElement, IntoElement, Label,
+    LabelCommon, LabelSize, ParentElement, Render, SelectableButton, SharedString, Styled,
+    TextSize, TintColor, Toggleable, Window, div, h_flex, px,
+};
+use util::{ResultExt, debug_panic};
+use workspace::{Workspace, notifications::NotifyResultExt as _};
+use zed_actions::agent::Chat;
+
+const PARSE_SLASH_COMMAND_DEBOUNCE: Duration = Duration::from_millis(50);
+
+pub struct MessageEditor {
+    mention_set: MentionSet,
+    editor: Entity<Editor>,
+    project: Entity<Project>,
+    workspace: WeakEntity<Workspace>,
+    history_store: Entity<HistoryStore>,
+    prompt_store: Option<Entity<PromptStore>>,
+    prevent_slash_commands: bool,
+    prompt_capabilities: Rc<Cell<acp::PromptCapabilities>>,
+    _subscriptions: Vec<Subscription>,
+    _parse_slash_command_task: Task<()>,
+}
+
+#[derive(Clone, Copy, Debug)]
+pub enum MessageEditorEvent {
+    Send,
+    Cancel,
+    Focus,
+    LostFocus,
+}
+
+impl EventEmitter<MessageEditorEvent> for MessageEditor {}
+
+impl MessageEditor {
+    pub fn new(
+        workspace: WeakEntity<Workspace>,
+        project: Entity<Project>,
+        history_store: Entity<HistoryStore>,
+        prompt_store: Option<Entity<PromptStore>>,
+        prompt_capabilities: Rc<Cell<acp::PromptCapabilities>>,
+        placeholder: impl Into<Arc<str>>,
+        prevent_slash_commands: bool,
+        mode: EditorMode,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let language = Language::new(
+            language::LanguageConfig {
+                completion_query_characters: HashSet::from_iter(['.', '-', '_', '@']),
+                ..Default::default()
+            },
+            None,
+        );
+        let completion_provider = ContextPickerCompletionProvider::new(
+            cx.weak_entity(),
+            workspace.clone(),
+            history_store.clone(),
+            prompt_store.clone(),
+            prompt_capabilities.clone(),
+        );
+        let semantics_provider = Rc::new(SlashCommandSemanticsProvider {
+            range: Cell::new(None),
+        });
+        let mention_set = MentionSet::default();
+        let editor = cx.new(|cx| {
+            let buffer = cx.new(|cx| Buffer::local("", cx).with_language(Arc::new(language), cx));
+            let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
+
+            let mut editor = Editor::new(mode, buffer, None, window, cx);
+            editor.set_placeholder_text(placeholder, cx);
+            editor.set_show_indent_guides(false, cx);
+            editor.set_soft_wrap();
+            editor.set_use_modal_editing(true);
+            editor.set_completion_provider(Some(Rc::new(completion_provider)));
+            editor.set_context_menu_options(ContextMenuOptions {
+                min_entries_visible: 12,
+                max_entries_visible: 12,
+                placement: Some(ContextMenuPlacement::Above),
+            });
+            if prevent_slash_commands {
+                editor.set_semantics_provider(Some(semantics_provider.clone()));
+            }
+            editor.register_addon(MessageEditorAddon::new());
+            editor
+        });
+
+        cx.on_focus_in(&editor.focus_handle(cx), window, |_, _, cx| {
+            cx.emit(MessageEditorEvent::Focus)
+        })
+        .detach();
+        cx.on_focus_out(&editor.focus_handle(cx), window, |_, _, _, cx| {
+            cx.emit(MessageEditorEvent::LostFocus)
+        })
+        .detach();
+
+        let mut subscriptions = Vec::new();
+        subscriptions.push(cx.subscribe_in(&editor, window, {
+            let semantics_provider = semantics_provider.clone();
+            move |this, editor, event, window, cx| {
+                if let EditorEvent::Edited { .. } = event {
+                    if prevent_slash_commands {
+                        this.highlight_slash_command(
+                            semantics_provider.clone(),
+                            editor.clone(),
+                            window,
+                            cx,
+                        );
+                    }
+                    let snapshot = editor.update(cx, |editor, cx| editor.snapshot(window, cx));
+                    this.mention_set.remove_invalid(snapshot);
+                    cx.notify();
+                }
+            }
+        }));
+
+        Self {
+            editor,
+            project,
+            mention_set,
+            workspace,
+            history_store,
+            prompt_store,
+            prevent_slash_commands,
+            prompt_capabilities,
+            _subscriptions: subscriptions,
+            _parse_slash_command_task: Task::ready(()),
+        }
+    }
+
+    pub fn insert_thread_summary(
+        &mut self,
+        thread: agent2::DbThreadMetadata,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let start = self.editor.update(cx, |editor, cx| {
+            editor.set_text(format!("{}\n", thread.title), window, cx);
+            editor
+                .buffer()
+                .read(cx)
+                .snapshot(cx)
+                .anchor_before(Point::zero())
+                .text_anchor
+        });
+
+        self.confirm_completion(
+            thread.title.clone(),
+            start,
+            thread.title.len(),
+            MentionUri::Thread {
+                id: thread.id.clone(),
+                name: thread.title.to_string(),
+            },
+            window,
+            cx,
+        )
+        .detach();
+    }
+
+    #[cfg(test)]
+    pub(crate) fn editor(&self) -> &Entity<Editor> {
+        &self.editor
+    }
+
+    #[cfg(test)]
+    pub(crate) fn mention_set(&mut self) -> &mut MentionSet {
+        &mut self.mention_set
+    }
+
+    pub fn is_empty(&self, cx: &App) -> bool {
+        self.editor.read(cx).is_empty(cx)
+    }
+
+    pub fn mentions(&self) -> HashSet<MentionUri> {
+        self.mention_set
+            .mentions
+            .values()
+            .map(|(uri, _)| uri.clone())
+            .collect()
+    }
+
+    pub fn confirm_completion(
+        &mut self,
+        crease_text: SharedString,
+        start: text::Anchor,
+        content_len: usize,
+        mention_uri: MentionUri,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Task<()> {
+        let snapshot = self
+            .editor
+            .update(cx, |editor, cx| editor.snapshot(window, cx));
+        let Some((excerpt_id, _, _)) = snapshot.buffer_snapshot.as_singleton() else {
+            return Task::ready(());
+        };
+        let Some(start_anchor) = snapshot
+            .buffer_snapshot
+            .anchor_in_excerpt(*excerpt_id, start)
+        else {
+            return Task::ready(());
+        };
+        let end_anchor = snapshot
+            .buffer_snapshot
+            .anchor_before(start_anchor.to_offset(&snapshot.buffer_snapshot) + content_len + 1);
+
+        let crease = if let MentionUri::File { abs_path } = &mention_uri
+            && let Some(extension) = abs_path.extension()
+            && let Some(extension) = extension.to_str()
+            && Img::extensions().contains(&extension)
+            && !extension.contains("svg")
+        {
+            let Some(project_path) = self
+                .project
+                .read(cx)
+                .project_path_for_absolute_path(&abs_path, cx)
+            else {
+                log::error!("project path not found");
+                return Task::ready(());
+            };
+            let image = self
+                .project
+                .update(cx, |project, cx| project.open_image(project_path, cx));
+            let image = cx
+                .spawn(async move |_, cx| {
+                    let image = image.await.map_err(|e| e.to_string())?;
+                    let image = image
+                        .update(cx, |image, _| image.image.clone())
+                        .map_err(|e| e.to_string())?;
+                    Ok(image)
+                })
+                .shared();
+            insert_crease_for_mention(
+                *excerpt_id,
+                start,
+                content_len,
+                mention_uri.name().into(),
+                IconName::Image.path().into(),
+                Some(image),
+                self.editor.clone(),
+                window,
+                cx,
+            )
+        } else {
+            insert_crease_for_mention(
+                *excerpt_id,
+                start,
+                content_len,
+                crease_text,
+                mention_uri.icon_path(cx),
+                None,
+                self.editor.clone(),
+                window,
+                cx,
+            )
+        };
+        let Some((crease_id, tx)) = crease else {
+            return Task::ready(());
+        };
+
+        let task = match mention_uri.clone() {
+            MentionUri::Fetch { url } => self.confirm_mention_for_fetch(url, cx),
+            MentionUri::Directory { abs_path } => self.confirm_mention_for_directory(abs_path, cx),
+            MentionUri::Thread { id, .. } => self.confirm_mention_for_thread(id, cx),
+            MentionUri::TextThread { path, .. } => self.confirm_mention_for_text_thread(path, cx),
+            MentionUri::File { abs_path } => self.confirm_mention_for_file(abs_path, cx),
+            MentionUri::Symbol {
+                abs_path,
+                line_range,
+                ..
+            } => self.confirm_mention_for_symbol(abs_path, line_range, cx),
+            MentionUri::Rule { id, .. } => self.confirm_mention_for_rule(id, cx),
+            MentionUri::PastedImage => {
+                debug_panic!("pasted image URI should not be included in completions");
+                Task::ready(Err(anyhow!(
+                    "pasted imaged URI should not be included in completions"
+                )))
+            }
+            MentionUri::Selection { .. } => {
+                // Handled elsewhere
+                debug_panic!("unexpected selection URI");
+                Task::ready(Err(anyhow!("unexpected selection URI")))
+            }
+        };
+        let task = cx
+            .spawn(async move |_, _| task.await.map_err(|e| e.to_string()))
+            .shared();
+        self.mention_set
+            .mentions
+            .insert(crease_id, (mention_uri, task.clone()));
+
+        // Notify the user if we failed to load the mentioned context
+        cx.spawn_in(window, async move |this, cx| {
+            let result = task.await.notify_async_err(cx);
+            drop(tx);
+            if result.is_none() {
+                this.update(cx, |this, cx| {
+                    this.editor.update(cx, |editor, cx| {
+                        // Remove mention
+                        editor.edit([(start_anchor..end_anchor, "")], cx);
+                    });
+                    this.mention_set.mentions.remove(&crease_id);
+                })
+                .ok();
+            }
+        })
+    }
+
+    fn confirm_mention_for_file(
+        &mut self,
+        abs_path: PathBuf,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<Mention>> {
+        let Some(project_path) = self
+            .project
+            .read(cx)
+            .project_path_for_absolute_path(&abs_path, cx)
+        else {
+            return Task::ready(Err(anyhow!("project path not found")));
+        };
+        let extension = abs_path
+            .extension()
+            .and_then(OsStr::to_str)
+            .unwrap_or_default();
+
+        if Img::extensions().contains(&extension) && !extension.contains("svg") {
+            if !self.prompt_capabilities.get().image {
+                return Task::ready(Err(anyhow!("This model does not support images yet")));
+            }
+            let task = self
+                .project
+                .update(cx, |project, cx| project.open_image(project_path, cx));
+            return cx.spawn(async move |_, cx| {
+                let image = task.await?;
+                let image = image.update(cx, |image, _| image.image.clone())?;
+                let format = image.format;
+                let image = cx
+                    .update(|cx| LanguageModelImage::from_image(image, cx))?
+                    .await;
+                if let Some(image) = image {
+                    Ok(Mention::Image(MentionImage {
+                        data: image.source,
+                        format,
+                    }))
+                } else {
+                    Err(anyhow!("Failed to convert image"))
+                }
+            });
+        }
+
+        let buffer = self
+            .project
+            .update(cx, |project, cx| project.open_buffer(project_path, cx));
+        cx.spawn(async move |_, cx| {
+            let buffer = buffer.await?;
+            let mention = buffer.update(cx, |buffer, cx| Mention::Text {
+                content: buffer.text(),
+                tracked_buffers: vec![cx.entity()],
+            })?;
+            anyhow::Ok(mention)
+        })
+    }
+
+    fn confirm_mention_for_directory(
+        &mut self,
+        abs_path: PathBuf,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<Mention>> {
+        fn collect_files_in_path(worktree: &Worktree, path: &Path) -> Vec<(Arc<Path>, PathBuf)> {
+            let mut files = Vec::new();
+
+            for entry in worktree.child_entries(path) {
+                if entry.is_dir() {
+                    files.extend(collect_files_in_path(worktree, &entry.path));
+                } else if entry.is_file() {
+                    files.push((entry.path.clone(), worktree.full_path(&entry.path)));
+                }
+            }
+
+            files
+        }
+
+        let Some(project_path) = self
+            .project
+            .read(cx)
+            .project_path_for_absolute_path(&abs_path, cx)
+        else {
+            return Task::ready(Err(anyhow!("project path not found")));
+        };
+        let Some(entry) = self.project.read(cx).entry_for_path(&project_path, cx) else {
+            return Task::ready(Err(anyhow!("project entry not found")));
+        };
+        let Some(worktree) = self.project.read(cx).worktree_for_entry(entry.id, cx) else {
+            return Task::ready(Err(anyhow!("worktree not found")));
+        };
+        let project = self.project.clone();
+        cx.spawn(async move |_, cx| {
+            let directory_path = entry.path.clone();
+
+            let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id())?;
+            let file_paths = worktree.read_with(cx, |worktree, _cx| {
+                collect_files_in_path(worktree, &directory_path)
+            })?;
+            let descendants_future = cx.update(|cx| {
+                join_all(file_paths.into_iter().map(|(worktree_path, full_path)| {
+                    let rel_path = worktree_path
+                        .strip_prefix(&directory_path)
+                        .log_err()
+                        .map_or_else(|| worktree_path.clone(), |rel_path| rel_path.into());
+
+                    let open_task = project.update(cx, |project, cx| {
+                        project.buffer_store().update(cx, |buffer_store, cx| {
+                            let project_path = ProjectPath {
+                                worktree_id,
+                                path: worktree_path,
+                            };
+                            buffer_store.open_buffer(project_path, cx)
+                        })
+                    });
+
+                    // TODO: report load errors instead of just logging
+                    let rope_task = cx.spawn(async move |cx| {
+                        let buffer = open_task.await.log_err()?;
+                        let rope = buffer
+                            .read_with(cx, |buffer, _cx| buffer.as_rope().clone())
+                            .log_err()?;
+                        Some((rope, buffer))
+                    });
+
+                    cx.background_spawn(async move {
+                        let (rope, buffer) = rope_task.await?;
+                        Some((rel_path, full_path, rope.to_string(), buffer))
+                    })
+                }))
+            })?;
+
+            let contents = cx
+                .background_spawn(async move {
+                    let (contents, tracked_buffers) = descendants_future
+                        .await
+                        .into_iter()
+                        .flatten()
+                        .map(|(rel_path, full_path, rope, buffer)| {
+                            ((rel_path, full_path, rope), buffer)
+                        })
+                        .unzip();
+                    Mention::Text {
+                        content: render_directory_contents(contents),
+                        tracked_buffers,
+                    }
+                })
+                .await;
+            anyhow::Ok(contents)
+        })
+    }
+
+    fn confirm_mention_for_fetch(
+        &mut self,
+        url: url::Url,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<Mention>> {
+        let http_client = match self
+            .workspace
+            .update(cx, |workspace, _| workspace.client().http_client())
+        {
+            Ok(http_client) => http_client,
+            Err(e) => return Task::ready(Err(e)),
+        };
+        cx.background_executor().spawn(async move {
+            let content = fetch_url_content(http_client, url.to_string()).await?;
+            Ok(Mention::Text {
+                content,
+                tracked_buffers: Vec::new(),
+            })
+        })
+    }
+
+    fn confirm_mention_for_symbol(
+        &mut self,
+        abs_path: PathBuf,
+        line_range: RangeInclusive<u32>,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<Mention>> {
+        let Some(project_path) = self
+            .project
+            .read(cx)
+            .project_path_for_absolute_path(&abs_path, cx)
+        else {
+            return Task::ready(Err(anyhow!("project path not found")));
+        };
+        let buffer = self
+            .project
+            .update(cx, |project, cx| project.open_buffer(project_path, cx));
+        cx.spawn(async move |_, cx| {
+            let buffer = buffer.await?;
+            let mention = buffer.update(cx, |buffer, cx| {
+                let start = Point::new(*line_range.start(), 0).min(buffer.max_point());
+                let end = Point::new(*line_range.end() + 1, 0).min(buffer.max_point());
+                let content = buffer.text_for_range(start..end).collect();
+                Mention::Text {
+                    content,
+                    tracked_buffers: vec![cx.entity()],
+                }
+            })?;
+            anyhow::Ok(mention)
+        })
+    }
+
+    fn confirm_mention_for_rule(
+        &mut self,
+        id: PromptId,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<Mention>> {
+        let Some(prompt_store) = self.prompt_store.clone() else {
+            return Task::ready(Err(anyhow!("missing prompt store")));
+        };
+        let prompt = prompt_store.read(cx).load(id, cx);
+        cx.spawn(async move |_, _| {
+            let prompt = prompt.await?;
+            Ok(Mention::Text {
+                content: prompt,
+                tracked_buffers: Vec::new(),
+            })
+        })
+    }
+
+    pub fn confirm_mention_for_selection(
+        &mut self,
+        source_range: Range<text::Anchor>,
+        selections: Vec<(Entity<Buffer>, Range<text::Anchor>, Range<usize>)>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let snapshot = self.editor.read(cx).buffer().read(cx).snapshot(cx);
+        let Some((&excerpt_id, _, _)) = snapshot.as_singleton() else {
+            return;
+        };
+        let Some(start) = snapshot.anchor_in_excerpt(excerpt_id, source_range.start) else {
+            return;
+        };
+
+        let offset = start.to_offset(&snapshot);
+
+        for (buffer, selection_range, range_to_fold) in selections {
+            let range = snapshot.anchor_after(offset + range_to_fold.start)
+                ..snapshot.anchor_after(offset + range_to_fold.end);
+
+            let abs_path = buffer
+                .read(cx)
+                .project_path(cx)
+                .and_then(|project_path| self.project.read(cx).absolute_path(&project_path, cx));
+            let snapshot = buffer.read(cx).snapshot();
+
+            let text = snapshot
+                .text_for_range(selection_range.clone())
+                .collect::<String>();
+            let point_range = selection_range.to_point(&snapshot);
+            let line_range = point_range.start.row..=point_range.end.row;
+
+            let uri = MentionUri::Selection {
+                abs_path: abs_path.clone(),
+                line_range: line_range.clone(),
+            };
+            let crease = crate::context_picker::crease_for_mention(
+                selection_name(abs_path.as_deref(), &line_range).into(),
+                uri.icon_path(cx),
+                range,
+                self.editor.downgrade(),
+            );
+
+            let crease_id = self.editor.update(cx, |editor, cx| {
+                let crease_ids = editor.insert_creases(vec![crease.clone()], cx);
+                editor.fold_creases(vec![crease], false, window, cx);
+                crease_ids.first().copied().unwrap()
+            });
+
+            self.mention_set.mentions.insert(
+                crease_id,
+                (
+                    uri,
+                    Task::ready(Ok(Mention::Text {
+                        content: text,
+                        tracked_buffers: vec![buffer],
+                    }))
+                    .shared(),
+                ),
+            );
+        }
+    }
+
+    fn confirm_mention_for_thread(
+        &mut self,
+        id: acp::SessionId,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<Mention>> {
+        let server = Rc::new(agent2::NativeAgentServer::new(
+            self.project.read(cx).fs().clone(),
+            self.history_store.clone(),
+        ));
+        let connection = server.connect(Path::new(""), &self.project, cx);
+        cx.spawn(async move |_, cx| {
+            let agent = connection.await?;
+            let agent = agent.downcast::<agent2::NativeAgentConnection>().unwrap();
+            let summary = agent
+                .0
+                .update(cx, |agent, cx| agent.thread_summary(id, cx))?
+                .await?;
+            anyhow::Ok(Mention::Text {
+                content: summary.to_string(),
+                tracked_buffers: Vec::new(),
+            })
+        })
+    }
+
+    fn confirm_mention_for_text_thread(
+        &mut self,
+        path: PathBuf,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<Mention>> {
+        let context = self.history_store.update(cx, |text_thread_store, cx| {
+            text_thread_store.load_text_thread(path.as_path().into(), cx)
+        });
+        cx.spawn(async move |_, cx| {
+            let context = context.await?;
+            let xml = context.update(cx, |context, cx| context.to_xml(cx))?;
+            Ok(Mention::Text {
+                content: xml,
+                tracked_buffers: Vec::new(),
+            })
+        })
+    }
+
+    pub fn contents(
+        &self,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>> {
+        let contents = self
+            .mention_set
+            .contents(&self.prompt_capabilities.get(), cx);
+        let editor = self.editor.clone();
+        let prevent_slash_commands = self.prevent_slash_commands;
+
+        cx.spawn(async move |_, cx| {
+            let contents = contents.await?;
+            let mut all_tracked_buffers = Vec::new();
+
+            editor.update(cx, |editor, cx| {
+                let mut ix = 0;
+                let mut chunks: Vec<acp::ContentBlock> = Vec::new();
+                let text = editor.text(cx);
+                editor.display_map.update(cx, |map, cx| {
+                    let snapshot = map.snapshot(cx);
+                    for (crease_id, crease) in snapshot.crease_snapshot.creases() {
+                        let Some((uri, mention)) = contents.get(&crease_id) else {
+                            continue;
+                        };
+
+                        let crease_range = crease.range().to_offset(&snapshot.buffer_snapshot);
+                        if crease_range.start > ix {
+                            let chunk = if prevent_slash_commands
+                                && ix == 0
+                                && parse_slash_command(&text[ix..]).is_some()
+                            {
+                                format!(" {}", &text[ix..crease_range.start]).into()
+                            } else {
+                                text[ix..crease_range.start].into()
+                            };
+                            chunks.push(chunk);
+                        }
+                        let chunk = match mention {
+                            Mention::Text {
+                                content,
+                                tracked_buffers,
+                            } => {
+                                all_tracked_buffers.extend(tracked_buffers.iter().cloned());
+                                acp::ContentBlock::Resource(acp::EmbeddedResource {
+                                    annotations: None,
+                                    resource: acp::EmbeddedResourceResource::TextResourceContents(
+                                        acp::TextResourceContents {
+                                            mime_type: None,
+                                            text: content.clone(),
+                                            uri: uri.to_uri().to_string(),
+                                        },
+                                    ),
+                                })
+                            }
+                            Mention::Image(mention_image) => {
+                                let uri = match uri {
+                                    MentionUri::File { .. } => Some(uri.to_uri().to_string()),
+                                    MentionUri::PastedImage => None,
+                                    other => {
+                                        debug_panic!(
+                                            "unexpected mention uri for image: {:?}",
+                                            other
+                                        );
+                                        None
+                                    }
+                                };
+                                acp::ContentBlock::Image(acp::ImageContent {
+                                    annotations: None,
+                                    data: mention_image.data.to_string(),
+                                    mime_type: mention_image.format.mime_type().into(),
+                                    uri,
+                                })
+                            }
+                            Mention::UriOnly => {
+                                acp::ContentBlock::ResourceLink(acp::ResourceLink {
+                                    name: uri.name(),
+                                    uri: uri.to_uri().to_string(),
+                                    annotations: None,
+                                    description: None,
+                                    mime_type: None,
+                                    size: None,
+                                    title: None,
+                                })
+                            }
+                        };
+                        chunks.push(chunk);
+                        ix = crease_range.end;
+                    }
+
+                    if ix < text.len() {
+                        let last_chunk = if prevent_slash_commands
+                            && ix == 0
+                            && parse_slash_command(&text[ix..]).is_some()
+                        {
+                            format!(" {}", text[ix..].trim_end())
+                        } else {
+                            text[ix..].trim_end().to_owned()
+                        };
+                        if !last_chunk.is_empty() {
+                            chunks.push(last_chunk.into());
+                        }
+                    }
+                });
+
+                (chunks, all_tracked_buffers)
+            })
+        })
+    }
+
+    pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        self.editor.update(cx, |editor, cx| {
+            editor.clear(window, cx);
+            editor.remove_creases(
+                self.mention_set
+                    .mentions
+                    .drain()
+                    .map(|(crease_id, _)| crease_id),
+                cx,
+            )
+        });
+    }
+
+    fn send(&mut self, _: &Chat, _: &mut Window, cx: &mut Context<Self>) {
+        if self.is_empty(cx) {
+            return;
+        }
+        cx.emit(MessageEditorEvent::Send)
+    }
+
+    fn cancel(&mut self, _: &editor::actions::Cancel, _: &mut Window, cx: &mut Context<Self>) {
+        cx.emit(MessageEditorEvent::Cancel)
+    }
+
+    fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
+        if !self.prompt_capabilities.get().image {
+            return;
+        }
+
+        let images = cx
+            .read_from_clipboard()
+            .map(|item| {
+                item.into_entries()
+                    .filter_map(|entry| {
+                        if let ClipboardEntry::Image(image) = entry {
+                            Some(image)
+                        } else {
+                            None
+                        }
+                    })
+                    .collect::<Vec<_>>()
+            })
+            .unwrap_or_default();
+
+        if images.is_empty() {
+            return;
+        }
+        cx.stop_propagation();
+
+        let replacement_text = MentionUri::PastedImage.as_link().to_string();
+        for image in images {
+            let (excerpt_id, text_anchor, multibuffer_anchor) =
+                self.editor.update(cx, |message_editor, cx| {
+                    let snapshot = message_editor.snapshot(window, cx);
+                    let (excerpt_id, _, buffer_snapshot) =
+                        snapshot.buffer_snapshot.as_singleton().unwrap();
+
+                    let text_anchor = buffer_snapshot.anchor_before(buffer_snapshot.len());
+                    let multibuffer_anchor = snapshot
+                        .buffer_snapshot
+                        .anchor_in_excerpt(*excerpt_id, text_anchor);
+                    message_editor.edit(
+                        [(
+                            multi_buffer::Anchor::max()..multi_buffer::Anchor::max(),
+                            format!("{replacement_text} "),
+                        )],
+                        cx,
+                    );
+                    (*excerpt_id, text_anchor, multibuffer_anchor)
+                });
+
+            let content_len = replacement_text.len();
+            let Some(start_anchor) = multibuffer_anchor else {
+                continue;
+            };
+            let end_anchor = self.editor.update(cx, |editor, cx| {
+                let snapshot = editor.buffer().read(cx).snapshot(cx);
+                snapshot.anchor_before(start_anchor.to_offset(&snapshot) + content_len)
+            });
+            let image = Arc::new(image);
+            let Some((crease_id, tx)) = insert_crease_for_mention(
+                excerpt_id,
+                text_anchor,
+                content_len,
+                MentionUri::PastedImage.name().into(),
+                IconName::Image.path().into(),
+                Some(Task::ready(Ok(image.clone())).shared()),
+                self.editor.clone(),
+                window,
+                cx,
+            ) else {
+                continue;
+            };
+            let task = cx
+                .spawn_in(window, {
+                    async move |_, cx| {
+                        let format = image.format;
+                        let image = cx
+                            .update(|_, cx| LanguageModelImage::from_image(image, cx))
+                            .map_err(|e| e.to_string())?
+                            .await;
+                        drop(tx);
+                        if let Some(image) = image {
+                            Ok(Mention::Image(MentionImage {
+                                data: image.source,
+                                format,
+                            }))
+                        } else {
+                            Err("Failed to convert image".into())
+                        }
+                    }
+                })
+                .shared();
+
+            self.mention_set
+                .mentions
+                .insert(crease_id, (MentionUri::PastedImage, task.clone()));
+
+            cx.spawn_in(window, async move |this, cx| {
+                if task.await.notify_async_err(cx).is_none() {
+                    this.update(cx, |this, cx| {
+                        this.editor.update(cx, |editor, cx| {
+                            editor.edit([(start_anchor..end_anchor, "")], cx);
+                        });
+                        this.mention_set.mentions.remove(&crease_id);
+                    })
+                    .ok();
+                }
+            })
+            .detach();
+        }
+    }
+
+    pub fn insert_dragged_files(
+        &mut self,
+        paths: Vec<project::ProjectPath>,
+        added_worktrees: Vec<Entity<Worktree>>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let buffer = self.editor.read(cx).buffer().clone();
+        let Some(buffer) = buffer.read(cx).as_singleton() else {
+            return;
+        };
+        let mut tasks = Vec::new();
+        for path in paths {
+            let Some(entry) = self.project.read(cx).entry_for_path(&path, cx) else {
+                continue;
+            };
+            let Some(abs_path) = self.project.read(cx).absolute_path(&path, cx) else {
+                continue;
+            };
+            let path_prefix = abs_path
+                .file_name()
+                .unwrap_or(path.path.as_os_str())
+                .display()
+                .to_string();
+            let (file_name, _) =
+                crate::context_picker::file_context_picker::extract_file_name_and_directory(
+                    &path.path,
+                    &path_prefix,
+                );
+
+            let uri = if entry.is_dir() {
+                MentionUri::Directory { abs_path }
+            } else {
+                MentionUri::File { abs_path }
+            };
+
+            let new_text = format!("{} ", uri.as_link());
+            let content_len = new_text.len() - 1;
+
+            let anchor = buffer.update(cx, |buffer, _cx| buffer.anchor_before(buffer.len()));
+
+            self.editor.update(cx, |message_editor, cx| {
+                message_editor.edit(
+                    [(
+                        multi_buffer::Anchor::max()..multi_buffer::Anchor::max(),
+                        new_text,
+                    )],
+                    cx,
+                );
+            });
+            tasks.push(self.confirm_completion(file_name, anchor, content_len, uri, window, cx));
+        }
+        cx.spawn(async move |_, _| {
+            join_all(tasks).await;
+            drop(added_worktrees);
+        })
+        .detach();
+    }
+
+    pub fn insert_selections(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let buffer = self.editor.read(cx).buffer().clone();
+        let Some(buffer) = buffer.read(cx).as_singleton() else {
+            return;
+        };
+        let anchor = buffer.update(cx, |buffer, _cx| buffer.anchor_before(buffer.len()));
+        let Some(workspace) = self.workspace.upgrade() else {
+            return;
+        };
+        let Some(completion) = ContextPickerCompletionProvider::completion_for_action(
+            ContextPickerAction::AddSelections,
+            anchor..anchor,
+            cx.weak_entity(),
+            &workspace,
+            cx,
+        ) else {
+            return;
+        };
+        self.editor.update(cx, |message_editor, cx| {
+            message_editor.edit(
+                [(
+                    multi_buffer::Anchor::max()..multi_buffer::Anchor::max(),
+                    completion.new_text,
+                )],
+                cx,
+            );
+        });
+        if let Some(confirm) = completion.confirm {
+            confirm(CompletionIntent::Complete, window, cx);
+        }
+    }
+
+    pub fn set_read_only(&mut self, read_only: bool, cx: &mut Context<Self>) {
+        self.editor.update(cx, |message_editor, cx| {
+            message_editor.set_read_only(read_only);
+            cx.notify()
+        })
+    }
+
+    pub fn set_mode(&mut self, mode: EditorMode, cx: &mut Context<Self>) {
+        self.editor.update(cx, |editor, cx| {
+            editor.set_mode(mode);
+            cx.notify()
+        });
+    }
+
+    pub fn set_message(
+        &mut self,
+        message: Vec<acp::ContentBlock>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        self.clear(window, cx);
+
+        let mut text = String::new();
+        let mut mentions = Vec::new();
+
+        for chunk in message {
+            match chunk {
+                acp::ContentBlock::Text(text_content) => {
+                    text.push_str(&text_content.text);
+                }
+                acp::ContentBlock::Resource(acp::EmbeddedResource {
+                    resource: acp::EmbeddedResourceResource::TextResourceContents(resource),
+                    ..
+                }) => {
+                    let Some(mention_uri) = MentionUri::parse(&resource.uri).log_err() else {
+                        continue;
+                    };
+                    let start = text.len();
+                    write!(&mut text, "{}", mention_uri.as_link()).ok();
+                    let end = text.len();
+                    mentions.push((
+                        start..end,
+                        mention_uri,
+                        Mention::Text {
+                            content: resource.text,
+                            tracked_buffers: Vec::new(),
+                        },
+                    ));
+                }
+                acp::ContentBlock::ResourceLink(resource) => {
+                    if let Some(mention_uri) = MentionUri::parse(&resource.uri).log_err() {
+                        let start = text.len();
+                        write!(&mut text, "{}", mention_uri.as_link()).ok();
+                        let end = text.len();
+                        mentions.push((start..end, mention_uri, Mention::UriOnly));
+                    }
+                }
+                acp::ContentBlock::Image(acp::ImageContent {
+                    uri,
+                    data,
+                    mime_type,
+                    annotations: _,
+                }) => {
+                    let mention_uri = if let Some(uri) = uri {
+                        MentionUri::parse(&uri)
+                    } else {
+                        Ok(MentionUri::PastedImage)
+                    };
+                    let Some(mention_uri) = mention_uri.log_err() else {
+                        continue;
+                    };
+                    let Some(format) = ImageFormat::from_mime_type(&mime_type) else {
+                        log::error!("failed to parse MIME type for image: {mime_type:?}");
+                        continue;
+                    };
+                    let start = text.len();
+                    write!(&mut text, "{}", mention_uri.as_link()).ok();
+                    let end = text.len();
+                    mentions.push((
+                        start..end,
+                        mention_uri,
+                        Mention::Image(MentionImage {
+                            data: data.into(),
+                            format,
+                        }),
+                    ));
+                }
+                acp::ContentBlock::Audio(_) | acp::ContentBlock::Resource(_) => {}
+            }
+        }
+
+        let snapshot = self.editor.update(cx, |editor, cx| {
+            editor.set_text(text, window, cx);
+            editor.buffer().read(cx).snapshot(cx)
+        });
+
+        for (range, mention_uri, mention) in mentions {
+            let anchor = snapshot.anchor_before(range.start);
+            let Some((crease_id, tx)) = insert_crease_for_mention(
+                anchor.excerpt_id,
+                anchor.text_anchor,
+                range.end - range.start,
+                mention_uri.name().into(),
+                mention_uri.icon_path(cx),
+                None,
+                self.editor.clone(),
+                window,
+                cx,
+            ) else {
+                continue;
+            };
+            drop(tx);
+
+            self.mention_set.mentions.insert(
+                crease_id,
+                (mention_uri.clone(), Task::ready(Ok(mention)).shared()),
+            );
+        }
+        cx.notify();
+    }
+
+    fn highlight_slash_command(
+        &mut self,
+        semantics_provider: Rc<SlashCommandSemanticsProvider>,
+        editor: Entity<Editor>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        struct InvalidSlashCommand;
+
+        self._parse_slash_command_task = cx.spawn_in(window, async move |_, cx| {
+            cx.background_executor()
+                .timer(PARSE_SLASH_COMMAND_DEBOUNCE)
+                .await;
+            editor
+                .update_in(cx, |editor, window, cx| {
+                    let snapshot = editor.snapshot(window, cx);
+                    let range = parse_slash_command(&editor.text(cx));
+                    semantics_provider.range.set(range);
+                    if let Some((start, end)) = range {
+                        editor.highlight_text::<InvalidSlashCommand>(
+                            vec![
+                                snapshot.buffer_snapshot.anchor_after(start)
+                                    ..snapshot.buffer_snapshot.anchor_before(end),
+                            ],
+                            HighlightStyle {
+                                underline: Some(UnderlineStyle {
+                                    thickness: px(1.),
+                                    color: Some(gpui::red()),
+                                    wavy: true,
+                                }),
+                                ..Default::default()
+                            },
+                            cx,
+                        );
+                    } else {
+                        editor.clear_highlights::<InvalidSlashCommand>(cx);
+                    }
+                })
+                .ok();
+        })
+    }
+
+    pub fn text(&self, cx: &App) -> String {
+        self.editor.read(cx).text(cx)
+    }
+
+    #[cfg(test)]
+    pub fn set_text(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
+        self.editor.update(cx, |editor, cx| {
+            editor.set_text(text, window, cx);
+        });
+    }
+}
+
+fn render_directory_contents(entries: Vec<(Arc<Path>, PathBuf, String)>) -> String {
+    let mut output = String::new();
+    for (_relative_path, full_path, content) in entries {
+        let fence = codeblock_fence_for_path(Some(&full_path), None);
+        write!(output, "\n{fence}\n{content}\n```").unwrap();
+    }
+    output
+}
+
+impl Focusable for MessageEditor {
+    fn focus_handle(&self, cx: &App) -> FocusHandle {
+        self.editor.focus_handle(cx)
+    }
+}
+
+impl Render for MessageEditor {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        div()
+            .key_context("MessageEditor")
+            .on_action(cx.listener(Self::send))
+            .on_action(cx.listener(Self::cancel))
+            .capture_action(cx.listener(Self::paste))
+            .flex_1()
+            .child({
+                let settings = ThemeSettings::get_global(cx);
+                let font_size = TextSize::Small
+                    .rems(cx)
+                    .to_pixels(settings.agent_font_size(cx));
+                let line_height = settings.buffer_line_height.value() * font_size;
+
+                let text_style = TextStyle {
+                    color: cx.theme().colors().text,
+                    font_family: settings.buffer_font.family.clone(),
+                    font_fallbacks: settings.buffer_font.fallbacks.clone(),
+                    font_features: settings.buffer_font.features.clone(),
+                    font_size: font_size.into(),
+                    line_height: line_height.into(),
+                    ..Default::default()
+                };
+
+                EditorElement::new(
+                    &self.editor,
+                    EditorStyle {
+                        background: cx.theme().colors().editor_background,
+                        local_player: cx.theme().players().local(),
+                        text: text_style,
+                        syntax: cx.theme().syntax().clone(),
+                        ..Default::default()
+                    },
+                )
+            })
+    }
+}
+
+pub(crate) fn insert_crease_for_mention(
+    excerpt_id: ExcerptId,
+    anchor: text::Anchor,
+    content_len: usize,
+    crease_label: SharedString,
+    crease_icon: SharedString,
+    // abs_path: Option<Arc<Path>>,
+    image: Option<Shared<Task<Result<Arc<Image>, String>>>>,
+    editor: Entity<Editor>,
+    window: &mut Window,
+    cx: &mut App,
+) -> Option<(CreaseId, postage::barrier::Sender)> {
+    let (tx, rx) = postage::barrier::channel();
+
+    let crease_id = editor.update(cx, |editor, cx| {
+        let snapshot = editor.buffer().read(cx).snapshot(cx);
+
+        let start = snapshot.anchor_in_excerpt(excerpt_id, anchor)?;
+
+        let start = start.bias_right(&snapshot);
+        let end = snapshot.anchor_before(start.to_offset(&snapshot) + content_len);
+
+        let placeholder = FoldPlaceholder {
+            render: render_fold_icon_button(
+                crease_label,
+                crease_icon,
+                start..end,
+                rx,
+                image,
+                cx.weak_entity(),
+                cx,
+            ),
+            merge_adjacent: false,
+            ..Default::default()
+        };
+
+        let crease = Crease::Inline {
+            range: start..end,
+            placeholder,
+            render_toggle: None,
+            render_trailer: None,
+            metadata: None,
+        };
+
+        let ids = editor.insert_creases(vec![crease.clone()], cx);
+        editor.fold_creases(vec![crease], false, window, cx);
+
+        Some(ids[0])
+    })?;
+
+    Some((crease_id, tx))
+}
+
+fn render_fold_icon_button(
+    label: SharedString,
+    icon: SharedString,
+    range: Range<Anchor>,
+    mut loading_finished: postage::barrier::Receiver,
+    image_task: Option<Shared<Task<Result<Arc<Image>, String>>>>,
+    editor: WeakEntity<Editor>,
+    cx: &mut App,
+) -> Arc<dyn Send + Sync + Fn(FoldId, Range<Anchor>, &mut App) -> AnyElement> {
+    let loading = cx.new(|cx| {
+        let loading = cx.spawn(async move |this, cx| {
+            loading_finished.recv().await;
+            this.update(cx, |this: &mut LoadingContext, cx| {
+                this.loading = None;
+                cx.notify();
+            })
+            .ok();
+        });
+        LoadingContext {
+            id: cx.entity_id(),
+            label,
+            icon,
+            range,
+            editor,
+            loading: Some(loading),
+            image: image_task.clone(),
+        }
+    });
+    Arc::new(move |_fold_id, _fold_range, _cx| loading.clone().into_any_element())
+}
+
+struct LoadingContext {
+    id: EntityId,
+    label: SharedString,
+    icon: SharedString,
+    range: Range<Anchor>,
+    editor: WeakEntity<Editor>,
+    loading: Option<Task<()>>,
+    image: Option<Shared<Task<Result<Arc<Image>, String>>>>,
+}
+
+impl Render for LoadingContext {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let is_in_text_selection = self
+            .editor
+            .update(cx, |editor, cx| editor.is_range_selected(&self.range, cx))
+            .unwrap_or_default();
+        ButtonLike::new(("loading-context", self.id))
+            .style(ButtonStyle::Filled)
+            .selected_style(ButtonStyle::Tinted(TintColor::Accent))
+            .toggle_state(is_in_text_selection)
+            .when_some(self.image.clone(), |el, image_task| {
+                el.hoverable_tooltip(move |_, cx| {
+                    let image = image_task.peek().cloned().transpose().ok().flatten();
+                    let image_task = image_task.clone();
+                    cx.new::<ImageHover>(|cx| ImageHover {
+                        image,
+                        _task: cx.spawn(async move |this, cx| {
+                            if let Ok(image) = image_task.clone().await {
+                                this.update(cx, |this, cx| {
+                                    if this.image.replace(image).is_none() {
+                                        cx.notify();
+                                    }
+                                })
+                                .ok();
+                            }
+                        }),
+                    })
+                    .into()
+                })
+            })
+            .child(
+                h_flex()
+                    .gap_1()
+                    .child(
+                        Icon::from_path(self.icon.clone())
+                            .size(IconSize::XSmall)
+                            .color(Color::Muted),
+                    )
+                    .child(
+                        Label::new(self.label.clone())
+                            .size(LabelSize::Small)
+                            .buffer_font(cx)
+                            .single_line(),
+                    )
+                    .map(|el| {
+                        if self.loading.is_some() {
+                            el.with_animation(
+                                "loading-context-crease",
+                                Animation::new(Duration::from_secs(2))
+                                    .repeat()
+                                    .with_easing(pulsating_between(0.4, 0.8)),
+                                |label, delta| label.opacity(delta),
+                            )
+                            .into_any()
+                        } else {
+                            el.into_any()
+                        }
+                    }),
+            )
+    }
+}
+
+struct ImageHover {
+    image: Option<Arc<Image>>,
+    _task: Task<()>,
+}
+
+impl Render for ImageHover {
+    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+        if let Some(image) = self.image.clone() {
+            gpui::img(image).max_w_96().max_h_96().into_any_element()
+        } else {
+            gpui::Empty.into_any_element()
+        }
+    }
+}
+
+#[derive(Debug, Clone, Eq, PartialEq)]
+pub enum Mention {
+    Text {
+        content: String,
+        tracked_buffers: Vec<Entity<Buffer>>,
+    },
+    Image(MentionImage),
+    UriOnly,
+}
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub struct MentionImage {
+    pub data: SharedString,
+    pub format: ImageFormat,
+}
+
+#[derive(Default)]
+pub struct MentionSet {
+    mentions: HashMap<CreaseId, (MentionUri, Shared<Task<Result<Mention, String>>>)>,
+}
+
+impl MentionSet {
+    fn contents(
+        &self,
+        prompt_capabilities: &acp::PromptCapabilities,
+        cx: &mut App,
+    ) -> Task<Result<HashMap<CreaseId, (MentionUri, Mention)>>> {
+        if !prompt_capabilities.embedded_context {
+            let mentions = self
+                .mentions
+                .iter()
+                .map(|(crease_id, (uri, _))| (*crease_id, (uri.clone(), Mention::UriOnly)))
+                .collect();
+
+            return Task::ready(Ok(mentions));
+        }
+
+        let mentions = self.mentions.clone();
+        cx.spawn(async move |_cx| {
+            let mut contents = HashMap::default();
+            for (crease_id, (mention_uri, task)) in mentions {
+                contents.insert(
+                    crease_id,
+                    (mention_uri, task.await.map_err(|e| anyhow!("{e}"))?),
+                );
+            }
+            Ok(contents)
+        })
+    }
+
+    fn remove_invalid(&mut self, snapshot: EditorSnapshot) {
+        for (crease_id, crease) in snapshot.crease_snapshot.creases() {
+            if !crease.range().start.is_valid(&snapshot.buffer_snapshot) {
+                self.mentions.remove(&crease_id);
+            }
+        }
+    }
+}
+
+struct SlashCommandSemanticsProvider {
+    range: Cell<Option<(usize, usize)>>,
+}
+
+impl SemanticsProvider for SlashCommandSemanticsProvider {
+    fn hover(
+        &self,
+        buffer: &Entity<Buffer>,
+        position: text::Anchor,
+        cx: &mut App,
+    ) -> Option<Task<Option<Vec<project::Hover>>>> {
+        let snapshot = buffer.read(cx).snapshot();
+        let offset = position.to_offset(&snapshot);
+        let (start, end) = self.range.get()?;
+        if !(start..end).contains(&offset) {
+            return None;
+        }
+        let range = snapshot.anchor_after(start)..snapshot.anchor_after(end);
+        Some(Task::ready(Some(vec![project::Hover {
+            contents: vec![project::HoverBlock {
+                text: "Slash commands are not supported".into(),
+                kind: project::HoverBlockKind::PlainText,
+            }],
+            range: Some(range),
+            language: None,
+        }])))
+    }
+
+    fn inline_values(
+        &self,
+        _buffer_handle: Entity<Buffer>,
+        _range: Range<text::Anchor>,
+        _cx: &mut App,
+    ) -> Option<Task<anyhow::Result<Vec<project::InlayHint>>>> {
+        None
+    }
+
+    fn inlay_hints(
+        &self,
+        _buffer_handle: Entity<Buffer>,
+        _range: Range<text::Anchor>,
+        _cx: &mut App,
+    ) -> Option<Task<anyhow::Result<Vec<project::InlayHint>>>> {
+        None
+    }
+
+    fn resolve_inlay_hint(
+        &self,
+        _hint: project::InlayHint,
+        _buffer_handle: Entity<Buffer>,
+        _server_id: lsp::LanguageServerId,
+        _cx: &mut App,
+    ) -> Option<Task<anyhow::Result<project::InlayHint>>> {
+        None
+    }
+
+    fn supports_inlay_hints(&self, _buffer: &Entity<Buffer>, _cx: &mut App) -> bool {
+        false
+    }
+
+    fn document_highlights(
+        &self,
+        _buffer: &Entity<Buffer>,
+        _position: text::Anchor,
+        _cx: &mut App,
+    ) -> Option<Task<Result<Vec<project::DocumentHighlight>>>> {
+        None
+    }
+
+    fn definitions(
+        &self,
+        _buffer: &Entity<Buffer>,
+        _position: text::Anchor,
+        _kind: editor::GotoDefinitionKind,
+        _cx: &mut App,
+    ) -> Option<Task<Result<Option<Vec<project::LocationLink>>>>> {
+        None
+    }
+
+    fn range_for_rename(
+        &self,
+        _buffer: &Entity<Buffer>,
+        _position: text::Anchor,
+        _cx: &mut App,
+    ) -> Option<Task<Result<Option<Range<text::Anchor>>>>> {
+        None
+    }
+
+    fn perform_rename(
+        &self,
+        _buffer: &Entity<Buffer>,
+        _position: text::Anchor,
+        _new_name: String,
+        _cx: &mut App,
+    ) -> Option<Task<Result<project::ProjectTransaction>>> {
+        None
+    }
+}
+
+fn parse_slash_command(text: &str) -> Option<(usize, usize)> {
+    if let Some(remainder) = text.strip_prefix('/') {
+        let pos = remainder
+            .find(char::is_whitespace)
+            .unwrap_or(remainder.len());
+        let command = &remainder[..pos];
+        if !command.is_empty() && command.chars().all(char::is_alphanumeric) {
+            return Some((0, 1 + command.len()));
+        }
+    }
+    None
+}
+
+pub struct MessageEditorAddon {}
+
+impl MessageEditorAddon {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl Addon for MessageEditorAddon {
+    fn to_any(&self) -> &dyn std::any::Any {
+        self
+    }
+
+    fn to_any_mut(&mut self) -> Option<&mut dyn std::any::Any> {
+        Some(self)
+    }
+
+    fn extend_key_context(&self, key_context: &mut KeyContext, cx: &App) {
+        let settings = agent_settings::AgentSettings::get_global(cx);
+        if settings.use_modifier_to_send {
+            key_context.add("use_modifier_to_send");
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::{cell::Cell, ops::Range, path::Path, rc::Rc, sync::Arc};
+
+    use acp_thread::MentionUri;
+    use agent_client_protocol as acp;
+    use agent2::HistoryStore;
+    use assistant_context::ContextStore;
+    use editor::{AnchorRangeExt as _, Editor, EditorMode};
+    use fs::FakeFs;
+    use futures::StreamExt as _;
+    use gpui::{
+        AppContext, Entity, EventEmitter, FocusHandle, Focusable, TestAppContext, VisualTestContext,
+    };
+    use lsp::{CompletionContext, CompletionTriggerKind};
+    use project::{CompletionIntent, Project, ProjectPath};
+    use serde_json::json;
+    use text::Point;
+    use ui::{App, Context, IntoElement, Render, SharedString, Window};
+    use util::{path, uri};
+    use workspace::{AppState, Item, Workspace};
+
+    use crate::acp::{
+        message_editor::{Mention, MessageEditor},
+        thread_view::tests::init_test,
+    };
+
+    #[gpui::test]
+    async fn test_at_mention_removal(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree("/project", json!({"file": ""})).await;
+        let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
+
+        let (workspace, cx) =
+            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
+
+        let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
+        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
+
+        let message_editor = cx.update(|window, cx| {
+            cx.new(|cx| {
+                MessageEditor::new(
+                    workspace.downgrade(),
+                    project.clone(),
+                    history_store.clone(),
+                    None,
+                    Default::default(),
+                    "Test",
+                    false,
+                    EditorMode::AutoHeight {
+                        min_lines: 1,
+                        max_lines: None,
+                    },
+                    window,
+                    cx,
+                )
+            })
+        });
+        let editor = message_editor.update(cx, |message_editor, _| message_editor.editor.clone());
+
+        cx.run_until_parked();
+
+        let excerpt_id = editor.update(cx, |editor, cx| {
+            editor
+                .buffer()
+                .read(cx)
+                .excerpt_ids()
+                .into_iter()
+                .next()
+                .unwrap()
+        });
+        let completions = editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Hello @file ", window, cx);
+            let buffer = editor.buffer().read(cx).as_singleton().unwrap();
+            let completion_provider = editor.completion_provider().unwrap();
+            completion_provider.completions(
+                excerpt_id,
+                &buffer,
+                text::Anchor::MAX,
+                CompletionContext {
+                    trigger_kind: CompletionTriggerKind::TRIGGER_CHARACTER,
+                    trigger_character: Some("@".into()),
+                },
+                window,
+                cx,
+            )
+        });
+        let [_, completion]: [_; 2] = completions
+            .await
+            .unwrap()
+            .into_iter()
+            .flat_map(|response| response.completions)
+            .collect::<Vec<_>>()
+            .try_into()
+            .unwrap();
+
+        editor.update_in(cx, |editor, window, cx| {
+            let snapshot = editor.buffer().read(cx).snapshot(cx);
+            let start = snapshot
+                .anchor_in_excerpt(excerpt_id, completion.replace_range.start)
+                .unwrap();
+            let end = snapshot
+                .anchor_in_excerpt(excerpt_id, completion.replace_range.end)
+                .unwrap();
+            editor.edit([(start..end, completion.new_text)], cx);
+            (completion.confirm.unwrap())(CompletionIntent::Complete, window, cx);
+        });
+
+        cx.run_until_parked();
+
+        // Backspace over the inserted crease (and the following space).
+        editor.update_in(cx, |editor, window, cx| {
+            editor.backspace(&Default::default(), window, cx);
+            editor.backspace(&Default::default(), window, cx);
+        });
+
+        let (content, _) = message_editor
+            .update(cx, |message_editor, cx| message_editor.contents(cx))
+            .await
+            .unwrap();
+
+        // We don't send a resource link for the deleted crease.
+        pretty_assertions::assert_matches!(content.as_slice(), [acp::ContentBlock::Text { .. }]);
+    }
+
+    struct MessageEditorItem(Entity<MessageEditor>);
+
+    impl Item for MessageEditorItem {
+        type Event = ();
+
+        fn include_in_nav_history() -> bool {
+            false
+        }
+
+        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
+            "Test".into()
+        }
+    }
+
+    impl EventEmitter<()> for MessageEditorItem {}
+
+    impl Focusable for MessageEditorItem {
+        fn focus_handle(&self, cx: &App) -> FocusHandle {
+            self.0.read(cx).focus_handle(cx)
+        }
+    }
+
+    impl Render for MessageEditorItem {
+        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+            self.0.clone().into_any_element()
+        }
+    }
+
+    #[gpui::test]
+    async fn test_context_completion_provider(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let app_state = cx.update(AppState::test);
+
+        cx.update(|cx| {
+            language::init(cx);
+            editor::init(cx);
+            workspace::init(app_state.clone(), cx);
+            Project::init_settings(cx);
+        });
+
+        app_state
+            .fs
+            .as_fake()
+            .insert_tree(
+                path!("/dir"),
+                json!({
+                    "editor": "",
+                    "a": {
+                        "one.txt": "1",
+                        "two.txt": "2",
+                        "three.txt": "3",
+                        "four.txt": "4"
+                    },
+                    "b": {
+                        "five.txt": "5",
+                        "six.txt": "6",
+                        "seven.txt": "7",
+                        "eight.txt": "8",
+                    },
+                    "x.png": "",
+                }),
+            )
+            .await;
+
+        let project = Project::test(app_state.fs.clone(), [path!("/dir").as_ref()], cx).await;
+        let window = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
+        let workspace = window.root(cx).unwrap();
+
+        let worktree = project.update(cx, |project, cx| {
+            let mut worktrees = project.worktrees(cx).collect::<Vec<_>>();
+            assert_eq!(worktrees.len(), 1);
+            worktrees.pop().unwrap()
+        });
+        let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
+
+        let mut cx = VisualTestContext::from_window(*window, cx);
+
+        let paths = vec![
+            path!("a/one.txt"),
+            path!("a/two.txt"),
+            path!("a/three.txt"),
+            path!("a/four.txt"),
+            path!("b/five.txt"),
+            path!("b/six.txt"),
+            path!("b/seven.txt"),
+            path!("b/eight.txt"),
+        ];
+
+        let mut opened_editors = Vec::new();
+        for path in paths {
+            let buffer = workspace
+                .update_in(&mut cx, |workspace, window, cx| {
+                    workspace.open_path(
+                        ProjectPath {
+                            worktree_id,
+                            path: Path::new(path).into(),
+                        },
+                        None,
+                        false,
+                        window,
+                        cx,
+                    )
+                })
+                .await
+                .unwrap();
+            opened_editors.push(buffer);
+        }
+
+        let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
+        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
+        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
+
+        let (message_editor, editor) = workspace.update_in(&mut cx, |workspace, window, cx| {
+            let workspace_handle = cx.weak_entity();
+            let message_editor = cx.new(|cx| {
+                MessageEditor::new(
+                    workspace_handle,
+                    project.clone(),
+                    history_store.clone(),
+                    None,
+                    prompt_capabilities.clone(),
+                    "Test",
+                    false,
+                    EditorMode::AutoHeight {
+                        max_lines: None,
+                        min_lines: 1,
+                    },
+                    window,
+                    cx,
+                )
+            });
+            workspace.active_pane().update(cx, |pane, cx| {
+                pane.add_item(
+                    Box::new(cx.new(|_| MessageEditorItem(message_editor.clone()))),
+                    true,
+                    true,
+                    None,
+                    window,
+                    cx,
+                );
+            });
+            message_editor.read(cx).focus_handle(cx).focus(window);
+            let editor = message_editor.read(cx).editor().clone();
+            (message_editor, editor)
+        });
+
+        cx.simulate_input("Lorem @");
+
+        editor.update_in(&mut cx, |editor, window, cx| {
+            assert_eq!(editor.text(cx), "Lorem @");
+            assert!(editor.has_visible_completions_menu());
+
+            // Only files since we have default capabilities
+            assert_eq!(
+                current_completion_labels(editor),
+                &[
+                    "eight.txt dir/b/",
+                    "seven.txt dir/b/",
+                    "six.txt dir/b/",
+                    "five.txt dir/b/",
+                ]
+            );
+            editor.set_text("", window, cx);
+        });
+
+        prompt_capabilities.set(acp::PromptCapabilities {
+            image: true,
+            audio: true,
+            embedded_context: true,
+        });
+
+        cx.simulate_input("Lorem ");
+
+        editor.update(&mut cx, |editor, cx| {
+            assert_eq!(editor.text(cx), "Lorem ");
+            assert!(!editor.has_visible_completions_menu());
+        });
+
+        cx.simulate_input("@");
+
+        editor.update(&mut cx, |editor, cx| {
+            assert_eq!(editor.text(cx), "Lorem @");
+            assert!(editor.has_visible_completions_menu());
+            assert_eq!(
+                current_completion_labels(editor),
+                &[
+                    "eight.txt dir/b/",
+                    "seven.txt dir/b/",
+                    "six.txt dir/b/",
+                    "five.txt dir/b/",
+                    "Files & Directories",
+                    "Symbols",
+                    "Threads",
+                    "Fetch"
+                ]
+            );
+        });
+
+        // Select and confirm "File"
+        editor.update_in(&mut cx, |editor, window, cx| {
+            assert!(editor.has_visible_completions_menu());
+            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
+            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
+            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
+            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
+            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
+        });
+
+        cx.run_until_parked();
+
+        editor.update(&mut cx, |editor, cx| {
+            assert_eq!(editor.text(cx), "Lorem @file ");
+            assert!(editor.has_visible_completions_menu());
+        });
+
+        cx.simulate_input("one");
+
+        editor.update(&mut cx, |editor, cx| {
+            assert_eq!(editor.text(cx), "Lorem @file one");
+            assert!(editor.has_visible_completions_menu());
+            assert_eq!(current_completion_labels(editor), vec!["one.txt dir/a/"]);
+        });
+
+        editor.update_in(&mut cx, |editor, window, cx| {
+            assert!(editor.has_visible_completions_menu());
+            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
+        });
+
+        let url_one = uri!("file:///dir/a/one.txt");
+        editor.update(&mut cx, |editor, cx| {
+            let text = editor.text(cx);
+            assert_eq!(text, format!("Lorem [@one.txt]({url_one}) "));
+            assert!(!editor.has_visible_completions_menu());
+            assert_eq!(fold_ranges(editor, cx).len(), 1);
+        });
+
+        let all_prompt_capabilities = acp::PromptCapabilities {
+            image: true,
+            audio: true,
+            embedded_context: true,
+        };
+
+        let contents = message_editor
+            .update(&mut cx, |message_editor, cx| {
+                message_editor
+                    .mention_set()
+                    .contents(&all_prompt_capabilities, cx)
+            })
+            .await
+            .unwrap()
+            .into_values()
+            .collect::<Vec<_>>();
+
+        {
+            let [(uri, Mention::Text { content, .. })] = contents.as_slice() else {
+                panic!("Unexpected mentions");
+            };
+            pretty_assertions::assert_eq!(content, "1");
+            pretty_assertions::assert_eq!(uri, &url_one.parse::<MentionUri>().unwrap());
+        }
+
+        let contents = message_editor
+            .update(&mut cx, |message_editor, cx| {
+                message_editor
+                    .mention_set()
+                    .contents(&acp::PromptCapabilities::default(), cx)
+            })
+            .await
+            .unwrap()
+            .into_values()
+            .collect::<Vec<_>>();
+
+        {
+            let [(uri, Mention::UriOnly)] = contents.as_slice() else {
+                panic!("Unexpected mentions");
+            };
+            pretty_assertions::assert_eq!(uri, &url_one.parse::<MentionUri>().unwrap());
+        }
+
+        cx.simulate_input(" ");
+
+        editor.update(&mut cx, |editor, cx| {
+            let text = editor.text(cx);
+            assert_eq!(text, format!("Lorem [@one.txt]({url_one})  "));
+            assert!(!editor.has_visible_completions_menu());
+            assert_eq!(fold_ranges(editor, cx).len(), 1);
+        });
+
+        cx.simulate_input("Ipsum ");
+
+        editor.update(&mut cx, |editor, cx| {
+            let text = editor.text(cx);
+            assert_eq!(text, format!("Lorem [@one.txt]({url_one})  Ipsum "),);
+            assert!(!editor.has_visible_completions_menu());
+            assert_eq!(fold_ranges(editor, cx).len(), 1);
+        });
+
+        cx.simulate_input("@file ");
+
+        editor.update(&mut cx, |editor, cx| {
+            let text = editor.text(cx);
+            assert_eq!(text, format!("Lorem [@one.txt]({url_one})  Ipsum @file "),);
+            assert!(editor.has_visible_completions_menu());
+            assert_eq!(fold_ranges(editor, cx).len(), 1);
+        });
+
+        editor.update_in(&mut cx, |editor, window, cx| {
+            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
+        });
+
+        cx.run_until_parked();
+
+        let contents = message_editor
+            .update(&mut cx, |message_editor, cx| {
+                message_editor
+                    .mention_set()
+                    .contents(&all_prompt_capabilities, cx)
+            })
+            .await
+            .unwrap()
+            .into_values()
+            .collect::<Vec<_>>();
+
+        let url_eight = uri!("file:///dir/b/eight.txt");
+
+        {
+            let [_, (uri, Mention::Text { content, .. })] = contents.as_slice() else {
+                panic!("Unexpected mentions");
+            };
+            pretty_assertions::assert_eq!(content, "8");
+            pretty_assertions::assert_eq!(uri, &url_eight.parse::<MentionUri>().unwrap());
+        }
+
+        editor.update(&mut cx, |editor, cx| {
+            assert_eq!(
+                editor.text(cx),
+                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) ")
+            );
+            assert!(!editor.has_visible_completions_menu());
+            assert_eq!(fold_ranges(editor, cx).len(), 2);
+        });
+
+        let plain_text_language = Arc::new(language::Language::new(
+            language::LanguageConfig {
+                name: "Plain Text".into(),
+                matcher: language::LanguageMatcher {
+                    path_suffixes: vec!["txt".to_string()],
+                    ..Default::default()
+                },
+                ..Default::default()
+            },
+            None,
+        ));
+
+        // Register the language and fake LSP
+        let language_registry = project.read_with(&cx, |project, _| project.languages().clone());
+        language_registry.add(plain_text_language);
+
+        let mut fake_language_servers = language_registry.register_fake_lsp(
+            "Plain Text",
+            language::FakeLspAdapter {
+                capabilities: lsp::ServerCapabilities {
+                    workspace_symbol_provider: Some(lsp::OneOf::Left(true)),
+                    ..Default::default()
+                },
+                ..Default::default()
+            },
+        );
+
+        // Open the buffer to trigger LSP initialization
+        let buffer = project
+            .update(&mut cx, |project, cx| {
+                project.open_local_buffer(path!("/dir/a/one.txt"), cx)
+            })
+            .await
+            .unwrap();
+
+        // Register the buffer with language servers
+        let _handle = project.update(&mut cx, |project, cx| {
+            project.register_buffer_with_language_servers(&buffer, cx)
+        });
+
+        cx.run_until_parked();
+
+        let fake_language_server = fake_language_servers.next().await.unwrap();
+        fake_language_server.set_request_handler::<lsp::WorkspaceSymbolRequest, _, _>(
+            move |_, _| async move {
+                Ok(Some(lsp::WorkspaceSymbolResponse::Flat(vec![
+                    #[allow(deprecated)]
+                    lsp::SymbolInformation {
+                        name: "MySymbol".into(),
+                        location: lsp::Location {
+                            uri: lsp::Url::from_file_path(path!("/dir/a/one.txt")).unwrap(),
+                            range: lsp::Range::new(
+                                lsp::Position::new(0, 0),
+                                lsp::Position::new(0, 1),
+                            ),
+                        },
+                        kind: lsp::SymbolKind::CONSTANT,
+                        tags: None,
+                        container_name: None,
+                        deprecated: None,
+                    },
+                ])))
+            },
+        );
+
+        cx.simulate_input("@symbol ");
+
+        editor.update(&mut cx, |editor, cx| {
+            assert_eq!(
+                editor.text(cx),
+                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) @symbol ")
+            );
+            assert!(editor.has_visible_completions_menu());
+            assert_eq!(current_completion_labels(editor), &["MySymbol"]);
+        });
+
+        editor.update_in(&mut cx, |editor, window, cx| {
+            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
+        });
+
+        let contents = message_editor
+            .update(&mut cx, |message_editor, cx| {
+                message_editor
+                    .mention_set()
+                    .contents(&all_prompt_capabilities, cx)
+            })
+            .await
+            .unwrap()
+            .into_values()
+            .collect::<Vec<_>>();
+
+        {
+            let [_, _, (uri, Mention::Text { content, .. })] = contents.as_slice() else {
+                panic!("Unexpected mentions");
+            };
+            pretty_assertions::assert_eq!(content, "1");
+            pretty_assertions::assert_eq!(
+                uri,
+                &format!("{url_one}?symbol=MySymbol#L1:1")
+                    .parse::<MentionUri>()
+                    .unwrap()
+            );
+        }
+
+        cx.run_until_parked();
+
+        editor.read_with(&cx, |editor, cx| {
+            assert_eq!(
+                editor.text(cx),
+                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({url_one}?symbol=MySymbol#L1:1) ")
+            );
+        });
+
+        // Try to mention an "image" file that will fail to load
+        cx.simulate_input("@file x.png");
+
+        editor.update(&mut cx, |editor, cx| {
+            assert_eq!(
+                editor.text(cx),
+                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({url_one}?symbol=MySymbol#L1:1) @file x.png")
+            );
+            assert!(editor.has_visible_completions_menu());
+            assert_eq!(current_completion_labels(editor), &["x.png dir/"]);
+        });
+
+        editor.update_in(&mut cx, |editor, window, cx| {
+            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
+        });
+
+        // Getting the message contents fails
+        message_editor
+            .update(&mut cx, |message_editor, cx| {
+                message_editor
+                    .mention_set()
+                    .contents(&all_prompt_capabilities, cx)
+            })
+            .await
+            .expect_err("Should fail to load x.png");
+
+        cx.run_until_parked();
+
+        // Mention was removed
+        editor.read_with(&cx, |editor, cx| {
+            assert_eq!(
+                editor.text(cx),
+                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({url_one}?symbol=MySymbol#L1:1) ")
+            );
+        });
+
+        // Once more
+        cx.simulate_input("@file x.png");
+
+        editor.update(&mut cx, |editor, cx| {
+                    assert_eq!(
+                        editor.text(cx),
+                        format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({url_one}?symbol=MySymbol#L1:1) @file x.png")
+                    );
+                    assert!(editor.has_visible_completions_menu());
+                    assert_eq!(current_completion_labels(editor), &["x.png dir/"]);
+                });
+
+        editor.update_in(&mut cx, |editor, window, cx| {
+            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
+        });
+
+        // This time don't immediately get the contents, just let the confirmed completion settle
+        cx.run_until_parked();
+
+        // Mention was removed
+        editor.read_with(&cx, |editor, cx| {
+                    assert_eq!(
+                        editor.text(cx),
+                        format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({url_one}?symbol=MySymbol#L1:1) ")
+                    );
+                });
+
+        // Now getting the contents succeeds, because the invalid mention was removed
+        let contents = message_editor
+            .update(&mut cx, |message_editor, cx| {
+                message_editor
+                    .mention_set()
+                    .contents(&all_prompt_capabilities, cx)
+            })
+            .await
+            .unwrap();
+        assert_eq!(contents.len(), 3);
+    }
+
+    fn fold_ranges(editor: &Editor, cx: &mut App) -> Vec<Range<Point>> {
+        let snapshot = editor.buffer().read(cx).snapshot(cx);
+        editor.display_map.update(cx, |display_map, cx| {
+            display_map
+                .snapshot(cx)
+                .folds_in_range(0..snapshot.len())
+                .map(|fold| fold.range.to_point(&snapshot))
+                .collect()
+        })
+    }
+
+    fn current_completion_labels(editor: &Editor) -> Vec<String> {
+        let completions = editor.current_completions().expect("Missing completions");
+        completions
+            .into_iter()
+            .map(|completion| completion.label.text)
+            .collect::<Vec<_>>()
+    }
+}
diff --git a/crates/agent_ui/src/acp/message_history.rs b/crates/agent_ui/src/acp/message_history.rs
deleted file mode 100644
index d0fb1f0990..0000000000
--- a/crates/agent_ui/src/acp/message_history.rs
+++ /dev/null
@@ -1,87 +0,0 @@
-pub struct MessageHistory<T> {
-    items: Vec<T>,
-    current: Option<usize>,
-}
-
-impl<T> Default for MessageHistory<T> {
-    fn default() -> Self {
-        MessageHistory {
-            items: Vec::new(),
-            current: None,
-        }
-    }
-}
-
-impl<T> MessageHistory<T> {
-    pub fn push(&mut self, message: T) {
-        self.current.take();
-        self.items.push(message);
-    }
-
-    pub fn reset_position(&mut self) {
-        self.current.take();
-    }
-
-    pub fn prev(&mut self) -> Option<&T> {
-        if self.items.is_empty() {
-            return None;
-        }
-
-        let new_ix = self
-            .current
-            .get_or_insert(self.items.len())
-            .saturating_sub(1);
-
-        self.current = Some(new_ix);
-        self.items.get(new_ix)
-    }
-
-    pub fn next(&mut self) -> Option<&T> {
-        let current = self.current.as_mut()?;
-        *current += 1;
-
-        self.items.get(*current).or_else(|| {
-            self.current.take();
-            None
-        })
-    }
-}
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_prev_next() {
-        let mut history = MessageHistory::default();
-
-        // Test empty history
-        assert_eq!(history.prev(), None);
-        assert_eq!(history.next(), None);
-
-        // Add some messages
-        history.push("first");
-        history.push("second");
-        history.push("third");
-
-        // Test prev navigation
-        assert_eq!(history.prev(), Some(&"third"));
-        assert_eq!(history.prev(), Some(&"second"));
-        assert_eq!(history.prev(), Some(&"first"));
-        assert_eq!(history.prev(), Some(&"first"));
-
-        assert_eq!(history.next(), Some(&"second"));
-
-        // Test mixed navigation
-        history.push("fourth");
-        assert_eq!(history.prev(), Some(&"fourth"));
-        assert_eq!(history.prev(), Some(&"third"));
-        assert_eq!(history.next(), Some(&"fourth"));
-        assert_eq!(history.next(), None);
-
-        // Test that push resets navigation
-        history.prev();
-        history.prev();
-        history.push("fifth");
-        assert_eq!(history.prev(), Some(&"fifth"));
-    }
-}
diff --git a/crates/agent_ui/src/acp/model_selector.rs b/crates/agent_ui/src/acp/model_selector.rs
new file mode 100644
index 0000000000..77c88c461d
--- /dev/null
+++ b/crates/agent_ui/src/acp/model_selector.rs
@@ -0,0 +1,472 @@
+use std::{cmp::Reverse, rc::Rc, sync::Arc};
+
+use acp_thread::{AgentModelInfo, AgentModelList, AgentModelSelector};
+use agent_client_protocol as acp;
+use anyhow::Result;
+use collections::IndexMap;
+use futures::FutureExt;
+use fuzzy::{StringMatchCandidate, match_strings};
+use gpui::{Action, AsyncWindowContext, BackgroundExecutor, DismissEvent, Task, WeakEntity};
+use ordered_float::OrderedFloat;
+use picker::{Picker, PickerDelegate};
+use ui::{
+    AnyElement, App, Context, IntoElement, ListItem, ListItemSpacing, SharedString, Window,
+    prelude::*, rems,
+};
+use util::ResultExt;
+
+pub type AcpModelSelector = Picker<AcpModelPickerDelegate>;
+
+pub fn acp_model_selector(
+    session_id: acp::SessionId,
+    selector: Rc<dyn AgentModelSelector>,
+    window: &mut Window,
+    cx: &mut Context<AcpModelSelector>,
+) -> AcpModelSelector {
+    let delegate = AcpModelPickerDelegate::new(session_id, selector, window, cx);
+    Picker::list(delegate, window, cx)
+        .show_scrollbar(true)
+        .width(rems(20.))
+        .max_height(Some(rems(20.).into()))
+}
+
+enum AcpModelPickerEntry {
+    Separator(SharedString),
+    Model(AgentModelInfo),
+}
+
+pub struct AcpModelPickerDelegate {
+    session_id: acp::SessionId,
+    selector: Rc<dyn AgentModelSelector>,
+    filtered_entries: Vec<AcpModelPickerEntry>,
+    models: Option<AgentModelList>,
+    selected_index: usize,
+    selected_model: Option<AgentModelInfo>,
+    _refresh_models_task: Task<()>,
+}
+
+impl AcpModelPickerDelegate {
+    fn new(
+        session_id: acp::SessionId,
+        selector: Rc<dyn AgentModelSelector>,
+        window: &mut Window,
+        cx: &mut Context<AcpModelSelector>,
+    ) -> Self {
+        let mut rx = selector.watch(cx);
+        let refresh_models_task = cx.spawn_in(window, {
+            let session_id = session_id.clone();
+            async move |this, cx| {
+                async fn refresh(
+                    this: &WeakEntity<Picker<AcpModelPickerDelegate>>,
+                    session_id: &acp::SessionId,
+                    cx: &mut AsyncWindowContext,
+                ) -> Result<()> {
+                    let (models_task, selected_model_task) = this.update(cx, |this, cx| {
+                        (
+                            this.delegate.selector.list_models(cx),
+                            this.delegate.selector.selected_model(session_id, cx),
+                        )
+                    })?;
+
+                    let (models, selected_model) = futures::join!(models_task, selected_model_task);
+
+                    this.update_in(cx, |this, window, cx| {
+                        this.delegate.models = models.ok();
+                        this.delegate.selected_model = selected_model.ok();
+                        this.delegate.update_matches(this.query(cx), window, cx)
+                    })?
+                    .await;
+
+                    Ok(())
+                }
+
+                refresh(&this, &session_id, cx).await.log_err();
+                while let Ok(()) = rx.recv().await {
+                    refresh(&this, &session_id, cx).await.log_err();
+                }
+            }
+        });
+
+        Self {
+            session_id,
+            selector,
+            filtered_entries: Vec::new(),
+            models: None,
+            selected_model: None,
+            selected_index: 0,
+            _refresh_models_task: refresh_models_task,
+        }
+    }
+
+    pub fn active_model(&self) -> Option<&AgentModelInfo> {
+        self.selected_model.as_ref()
+    }
+}
+
+impl PickerDelegate for AcpModelPickerDelegate {
+    type ListItem = AnyElement;
+
+    fn match_count(&self) -> usize {
+        self.filtered_entries.len()
+    }
+
+    fn selected_index(&self) -> usize {
+        self.selected_index
+    }
+
+    fn set_selected_index(&mut self, ix: usize, _: &mut Window, cx: &mut Context<Picker<Self>>) {
+        self.selected_index = ix.min(self.filtered_entries.len().saturating_sub(1));
+        cx.notify();
+    }
+
+    fn can_select(
+        &mut self,
+        ix: usize,
+        _window: &mut Window,
+        _cx: &mut Context<Picker<Self>>,
+    ) -> bool {
+        match self.filtered_entries.get(ix) {
+            Some(AcpModelPickerEntry::Model(_)) => true,
+            Some(AcpModelPickerEntry::Separator(_)) | None => false,
+        }
+    }
+
+    fn placeholder_text(&self, _window: &mut Window, _cx: &mut App) -> Arc<str> {
+        "Select a model…".into()
+    }
+
+    fn update_matches(
+        &mut self,
+        query: String,
+        window: &mut Window,
+        cx: &mut Context<Picker<Self>>,
+    ) -> Task<()> {
+        cx.spawn_in(window, async move |this, cx| {
+            let filtered_models = match this
+                .read_with(cx, |this, cx| {
+                    this.delegate.models.clone().map(move |models| {
+                        fuzzy_search(models, query, cx.background_executor().clone())
+                    })
+                })
+                .ok()
+                .flatten()
+            {
+                Some(task) => task.await,
+                None => AgentModelList::Flat(vec![]),
+            };
+
+            this.update_in(cx, |this, window, cx| {
+                this.delegate.filtered_entries =
+                    info_list_to_picker_entries(filtered_models).collect();
+                // Finds the currently selected model in the list
+                let new_index = this
+                    .delegate
+                    .selected_model
+                    .as_ref()
+                    .and_then(|selected| {
+                        this.delegate.filtered_entries.iter().position(|entry| {
+                            if let AcpModelPickerEntry::Model(model_info) = entry {
+                                model_info.id == selected.id
+                            } else {
+                                false
+                            }
+                        })
+                    })
+                    .unwrap_or(0);
+                this.set_selected_index(new_index, Some(picker::Direction::Down), true, window, cx);
+                cx.notify();
+            })
+            .ok();
+        })
+    }
+
+    fn confirm(&mut self, _secondary: bool, window: &mut Window, cx: &mut Context<Picker<Self>>) {
+        if let Some(AcpModelPickerEntry::Model(model_info)) =
+            self.filtered_entries.get(self.selected_index)
+        {
+            self.selector
+                .select_model(self.session_id.clone(), model_info.id.clone(), cx)
+                .detach_and_log_err(cx);
+            self.selected_model = Some(model_info.clone());
+            let current_index = self.selected_index;
+            self.set_selected_index(current_index, window, cx);
+
+            cx.emit(DismissEvent);
+        }
+    }
+
+    fn dismissed(&mut self, _: &mut Window, cx: &mut Context<Picker<Self>>) {
+        cx.emit(DismissEvent);
+    }
+
+    fn render_match(
+        &self,
+        ix: usize,
+        selected: bool,
+        _: &mut Window,
+        cx: &mut Context<Picker<Self>>,
+    ) -> Option<Self::ListItem> {
+        match self.filtered_entries.get(ix)? {
+            AcpModelPickerEntry::Separator(title) => Some(
+                div()
+                    .px_2()
+                    .pb_1()
+                    .when(ix > 1, |this| {
+                        this.mt_1()
+                            .pt_2()
+                            .border_t_1()
+                            .border_color(cx.theme().colors().border_variant)
+                    })
+                    .child(
+                        Label::new(title)
+                            .size(LabelSize::XSmall)
+                            .color(Color::Muted),
+                    )
+                    .into_any_element(),
+            ),
+            AcpModelPickerEntry::Model(model_info) => {
+                let is_selected = Some(model_info) == self.selected_model.as_ref();
+
+                let model_icon_color = if is_selected {
+                    Color::Accent
+                } else {
+                    Color::Muted
+                };
+
+                Some(
+                    ListItem::new(ix)
+                        .inset(true)
+                        .spacing(ListItemSpacing::Sparse)
+                        .toggle_state(selected)
+                        .start_slot::<Icon>(model_info.icon.map(|icon| {
+                            Icon::new(icon)
+                                .color(model_icon_color)
+                                .size(IconSize::Small)
+                        }))
+                        .child(
+                            h_flex()
+                                .w_full()
+                                .pl_0p5()
+                                .gap_1p5()
+                                .w(px(240.))
+                                .child(Label::new(model_info.name.clone()).truncate()),
+                        )
+                        .end_slot(div().pr_3().when(is_selected, |this| {
+                            this.child(
+                                Icon::new(IconName::Check)
+                                    .color(Color::Accent)
+                                    .size(IconSize::Small),
+                            )
+                        }))
+                        .into_any_element(),
+                )
+            }
+        }
+    }
+
+    fn render_footer(
+        &self,
+        _: &mut Window,
+        cx: &mut Context<Picker<Self>>,
+    ) -> Option<gpui::AnyElement> {
+        Some(
+            h_flex()
+                .w_full()
+                .border_t_1()
+                .border_color(cx.theme().colors().border_variant)
+                .p_1()
+                .gap_4()
+                .justify_between()
+                .child(
+                    Button::new("configure", "Configure")
+                        .icon(IconName::Settings)
+                        .icon_size(IconSize::Small)
+                        .icon_color(Color::Muted)
+                        .icon_position(IconPosition::Start)
+                        .on_click(|_, window, cx| {
+                            window.dispatch_action(
+                                zed_actions::agent::OpenSettings.boxed_clone(),
+                                cx,
+                            );
+                        }),
+                )
+                .into_any(),
+        )
+    }
+}
+
+fn info_list_to_picker_entries(
+    model_list: AgentModelList,
+) -> impl Iterator<Item = AcpModelPickerEntry> {
+    match model_list {
+        AgentModelList::Flat(list) => {
+            itertools::Either::Left(list.into_iter().map(AcpModelPickerEntry::Model))
+        }
+        AgentModelList::Grouped(index_map) => {
+            itertools::Either::Right(index_map.into_iter().flat_map(|(group_name, models)| {
+                std::iter::once(AcpModelPickerEntry::Separator(group_name.0))
+                    .chain(models.into_iter().map(AcpModelPickerEntry::Model))
+            }))
+        }
+    }
+}
+
+async fn fuzzy_search(
+    model_list: AgentModelList,
+    query: String,
+    executor: BackgroundExecutor,
+) -> AgentModelList {
+    async fn fuzzy_search_list(
+        model_list: Vec<AgentModelInfo>,
+        query: &str,
+        executor: BackgroundExecutor,
+    ) -> Vec<AgentModelInfo> {
+        let candidates = model_list
+            .iter()
+            .enumerate()
+            .map(|(ix, model)| {
+                StringMatchCandidate::new(ix, &format!("{}/{}", model.id, model.name))
+            })
+            .collect::<Vec<_>>();
+        let mut matches = match_strings(
+            &candidates,
+            query,
+            false,
+            true,
+            100,
+            &Default::default(),
+            executor,
+        )
+        .await;
+
+        matches.sort_unstable_by_key(|mat| {
+            let candidate = &candidates[mat.candidate_id];
+            (Reverse(OrderedFloat(mat.score)), candidate.id)
+        });
+
+        matches
+            .into_iter()
+            .map(|mat| model_list[mat.candidate_id].clone())
+            .collect()
+    }
+
+    match model_list {
+        AgentModelList::Flat(model_list) => {
+            AgentModelList::Flat(fuzzy_search_list(model_list, &query, executor).await)
+        }
+        AgentModelList::Grouped(index_map) => {
+            let groups =
+                futures::future::join_all(index_map.into_iter().map(|(group_name, models)| {
+                    fuzzy_search_list(models, &query, executor.clone())
+                        .map(|results| (group_name, results))
+                }))
+                .await;
+            AgentModelList::Grouped(IndexMap::from_iter(
+                groups
+                    .into_iter()
+                    .filter(|(_, results)| !results.is_empty()),
+            ))
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use gpui::TestAppContext;
+
+    use super::*;
+
+    fn create_model_list(grouped_models: Vec<(&str, Vec<&str>)>) -> AgentModelList {
+        AgentModelList::Grouped(IndexMap::from_iter(grouped_models.into_iter().map(
+            |(group, models)| {
+                (
+                    acp_thread::AgentModelGroupName(group.to_string().into()),
+                    models
+                        .into_iter()
+                        .map(|model| acp_thread::AgentModelInfo {
+                            id: acp_thread::AgentModelId(model.to_string().into()),
+                            name: model.to_string().into(),
+                            icon: None,
+                        })
+                        .collect::<Vec<_>>(),
+                )
+            },
+        )))
+    }
+
+    fn assert_models_eq(result: AgentModelList, expected: Vec<(&str, Vec<&str>)>) {
+        let AgentModelList::Grouped(groups) = result else {
+            panic!("Expected LanguageModelInfoList::Grouped, got {:?}", result);
+        };
+
+        assert_eq!(
+            groups.len(),
+            expected.len(),
+            "Number of groups doesn't match"
+        );
+
+        for (i, (expected_group, expected_models)) in expected.iter().enumerate() {
+            let (actual_group, actual_models) = groups.get_index(i).unwrap();
+            assert_eq!(
+                actual_group.0.as_ref(),
+                *expected_group,
+                "Group at position {} doesn't match expected group",
+                i
+            );
+            assert_eq!(
+                actual_models.len(),
+                expected_models.len(),
+                "Number of models in group {} doesn't match",
+                expected_group
+            );
+
+            for (j, expected_model_name) in expected_models.iter().enumerate() {
+                assert_eq!(
+                    actual_models[j].name, *expected_model_name,
+                    "Model at position {} in group {} doesn't match expected model",
+                    j, expected_group
+                );
+            }
+        }
+    }
+
+    #[gpui::test]
+    async fn test_fuzzy_match(cx: &mut TestAppContext) {
+        let models = create_model_list(vec![
+            (
+                "zed",
+                vec![
+                    "Claude 3.7 Sonnet",
+                    "Claude 3.7 Sonnet Thinking",
+                    "gpt-4.1",
+                    "gpt-4.1-nano",
+                ],
+            ),
+            ("openai", vec!["gpt-3.5-turbo", "gpt-4.1", "gpt-4.1-nano"]),
+            ("ollama", vec!["mistral", "deepseek"]),
+        ]);
+
+        // Results should preserve models order whenever possible.
+        // In the case below, `zed/gpt-4.1` and `openai/gpt-4.1` have identical
+        // similarity scores, but `zed/gpt-4.1` was higher in the models list,
+        // so it should appear first in the results.
+        let results = fuzzy_search(models.clone(), "41".into(), cx.executor()).await;
+        assert_models_eq(
+            results,
+            vec![
+                ("zed", vec!["gpt-4.1", "gpt-4.1-nano"]),
+                ("openai", vec!["gpt-4.1", "gpt-4.1-nano"]),
+            ],
+        );
+
+        // Fuzzy search
+        let results = fuzzy_search(models.clone(), "4n".into(), cx.executor()).await;
+        assert_models_eq(
+            results,
+            vec![
+                ("zed", vec!["gpt-4.1-nano"]),
+                ("openai", vec!["gpt-4.1-nano"]),
+            ],
+        );
+    }
+}
diff --git a/crates/agent_ui/src/acp/model_selector_popover.rs b/crates/agent_ui/src/acp/model_selector_popover.rs
new file mode 100644
index 0000000000..e52101113a
--- /dev/null
+++ b/crates/agent_ui/src/acp/model_selector_popover.rs
@@ -0,0 +1,85 @@
+use std::rc::Rc;
+
+use acp_thread::AgentModelSelector;
+use agent_client_protocol as acp;
+use gpui::{Entity, FocusHandle};
+use picker::popover_menu::PickerPopoverMenu;
+use ui::{
+    ButtonLike, Context, IntoElement, PopoverMenuHandle, SharedString, Tooltip, Window, prelude::*,
+};
+use zed_actions::agent::ToggleModelSelector;
+
+use crate::acp::{AcpModelSelector, model_selector::acp_model_selector};
+
+pub struct AcpModelSelectorPopover {
+    selector: Entity<AcpModelSelector>,
+    menu_handle: PopoverMenuHandle<AcpModelSelector>,
+    focus_handle: FocusHandle,
+}
+
+impl AcpModelSelectorPopover {
+    pub(crate) fn new(
+        session_id: acp::SessionId,
+        selector: Rc<dyn AgentModelSelector>,
+        menu_handle: PopoverMenuHandle<AcpModelSelector>,
+        focus_handle: FocusHandle,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        Self {
+            selector: cx.new(move |cx| acp_model_selector(session_id, selector, window, cx)),
+            menu_handle,
+            focus_handle,
+        }
+    }
+
+    pub fn toggle(&self, window: &mut Window, cx: &mut Context<Self>) {
+        self.menu_handle.toggle(window, cx);
+    }
+}
+
+impl Render for AcpModelSelectorPopover {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let model = self.selector.read(cx).delegate.active_model();
+        let model_name = model
+            .as_ref()
+            .map(|model| model.name.clone())
+            .unwrap_or_else(|| SharedString::from("Select a Model"));
+
+        let model_icon = model.as_ref().and_then(|model| model.icon);
+
+        let focus_handle = self.focus_handle.clone();
+
+        PickerPopoverMenu::new(
+            self.selector.clone(),
+            ButtonLike::new("active-model")
+                .when_some(model_icon, |this, icon| {
+                    this.child(Icon::new(icon).color(Color::Muted).size(IconSize::XSmall))
+                })
+                .child(
+                    Label::new(model_name)
+                        .color(Color::Muted)
+                        .size(LabelSize::Small)
+                        .ml_0p5(),
+                )
+                .child(
+                    Icon::new(IconName::ChevronDown)
+                        .color(Color::Muted)
+                        .size(IconSize::XSmall),
+                ),
+            move |window, cx| {
+                Tooltip::for_action_in(
+                    "Change Model",
+                    &ToggleModelSelector,
+                    &focus_handle,
+                    window,
+                    cx,
+                )
+            },
+            gpui::Corner::BottomRight,
+            cx,
+        )
+        .with_handle(self.menu_handle.clone())
+        .render(window, cx)
+    }
+}
diff --git a/crates/agent_ui/src/acp/thread_history.rs b/crates/agent_ui/src/acp/thread_history.rs
new file mode 100644
index 0000000000..a49dae25b3
--- /dev/null
+++ b/crates/agent_ui/src/acp/thread_history.rs
@@ -0,0 +1,825 @@
+use crate::acp::AcpThreadView;
+use crate::{AgentPanel, RemoveSelectedThread};
+use agent2::{HistoryEntry, HistoryStore};
+use chrono::{Datelike as _, Local, NaiveDate, TimeDelta};
+use editor::{Editor, EditorEvent};
+use fuzzy::StringMatchCandidate;
+use gpui::{
+    App, Entity, EventEmitter, FocusHandle, Focusable, ScrollStrategy, Stateful, Task,
+    UniformListScrollHandle, WeakEntity, Window, uniform_list,
+};
+use std::{fmt::Display, ops::Range};
+use text::Bias;
+use time::{OffsetDateTime, UtcOffset};
+use ui::{
+    HighlightedLabel, IconButtonShape, ListItem, ListItemSpacing, Scrollbar, ScrollbarState,
+    Tooltip, prelude::*,
+};
+
+pub struct AcpThreadHistory {
+    pub(crate) history_store: Entity<HistoryStore>,
+    scroll_handle: UniformListScrollHandle,
+    selected_index: usize,
+    hovered_index: Option<usize>,
+    search_editor: Entity<Editor>,
+    search_query: SharedString,
+
+    visible_items: Vec<ListItemType>,
+
+    scrollbar_visibility: bool,
+    scrollbar_state: ScrollbarState,
+    local_timezone: UtcOffset,
+
+    _update_task: Task<()>,
+    _subscriptions: Vec<gpui::Subscription>,
+}
+
+enum ListItemType {
+    BucketSeparator(TimeBucket),
+    Entry {
+        entry: HistoryEntry,
+        format: EntryTimeFormat,
+    },
+    SearchResult {
+        entry: HistoryEntry,
+        positions: Vec<usize>,
+    },
+}
+
+impl ListItemType {
+    fn history_entry(&self) -> Option<&HistoryEntry> {
+        match self {
+            ListItemType::Entry { entry, .. } => Some(entry),
+            ListItemType::SearchResult { entry, .. } => Some(entry),
+            _ => None,
+        }
+    }
+}
+
+pub enum ThreadHistoryEvent {
+    Open(HistoryEntry),
+}
+
+impl EventEmitter<ThreadHistoryEvent> for AcpThreadHistory {}
+
+impl AcpThreadHistory {
+    pub(crate) fn new(
+        history_store: Entity<agent2::HistoryStore>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let search_editor = cx.new(|cx| {
+            let mut editor = Editor::single_line(window, cx);
+            editor.set_placeholder_text("Search threads...", cx);
+            editor
+        });
+
+        let search_editor_subscription =
+            cx.subscribe(&search_editor, |this, search_editor, event, cx| {
+                if let EditorEvent::BufferEdited = event {
+                    let query = search_editor.read(cx).text(cx);
+                    if this.search_query != query {
+                        this.search_query = query.into();
+                        this.update_visible_items(false, cx);
+                    }
+                }
+            });
+
+        let history_store_subscription = cx.observe(&history_store, |this, _, cx| {
+            this.update_visible_items(true, cx);
+        });
+
+        let scroll_handle = UniformListScrollHandle::default();
+        let scrollbar_state = ScrollbarState::new(scroll_handle.clone());
+
+        let mut this = Self {
+            history_store,
+            scroll_handle,
+            selected_index: 0,
+            hovered_index: None,
+            visible_items: Default::default(),
+            search_editor,
+            scrollbar_visibility: true,
+            scrollbar_state,
+            local_timezone: UtcOffset::from_whole_seconds(
+                chrono::Local::now().offset().local_minus_utc(),
+            )
+            .unwrap(),
+            search_query: SharedString::default(),
+            _subscriptions: vec![search_editor_subscription, history_store_subscription],
+            _update_task: Task::ready(()),
+        };
+        this.update_visible_items(false, cx);
+        this
+    }
+
+    fn update_visible_items(&mut self, preserve_selected_item: bool, cx: &mut Context<Self>) {
+        let entries = self
+            .history_store
+            .update(cx, |store, _| store.entries().collect());
+        let new_list_items = if self.search_query.is_empty() {
+            self.add_list_separators(entries, cx)
+        } else {
+            self.filter_search_results(entries, cx)
+        };
+        let selected_history_entry = if preserve_selected_item {
+            self.selected_history_entry().cloned()
+        } else {
+            None
+        };
+
+        self._update_task = cx.spawn(async move |this, cx| {
+            let new_visible_items = new_list_items.await;
+            this.update(cx, |this, cx| {
+                let new_selected_index = if let Some(history_entry) = selected_history_entry {
+                    let history_entry_id = history_entry.id();
+                    new_visible_items
+                        .iter()
+                        .position(|visible_entry| {
+                            visible_entry
+                                .history_entry()
+                                .is_some_and(|entry| entry.id() == history_entry_id)
+                        })
+                        .unwrap_or(0)
+                } else {
+                    0
+                };
+
+                this.visible_items = new_visible_items;
+                this.set_selected_index(new_selected_index, Bias::Right, cx);
+                cx.notify();
+            })
+            .ok();
+        });
+    }
+
+    fn add_list_separators(&self, entries: Vec<HistoryEntry>, cx: &App) -> Task<Vec<ListItemType>> {
+        cx.background_spawn(async move {
+            let mut items = Vec::with_capacity(entries.len() + 1);
+            let mut bucket = None;
+            let today = Local::now().naive_local().date();
+
+            for entry in entries.into_iter() {
+                let entry_date = entry
+                    .updated_at()
+                    .with_timezone(&Local)
+                    .naive_local()
+                    .date();
+                let entry_bucket = TimeBucket::from_dates(today, entry_date);
+
+                if Some(entry_bucket) != bucket {
+                    bucket = Some(entry_bucket);
+                    items.push(ListItemType::BucketSeparator(entry_bucket));
+                }
+
+                items.push(ListItemType::Entry {
+                    entry,
+                    format: entry_bucket.into(),
+                });
+            }
+            items
+        })
+    }
+
+    fn filter_search_results(
+        &self,
+        entries: Vec<HistoryEntry>,
+        cx: &App,
+    ) -> Task<Vec<ListItemType>> {
+        let query = self.search_query.clone();
+        cx.background_spawn({
+            let executor = cx.background_executor().clone();
+            async move {
+                let mut candidates = Vec::with_capacity(entries.len());
+
+                for (idx, entry) in entries.iter().enumerate() {
+                    candidates.push(StringMatchCandidate::new(idx, entry.title()));
+                }
+
+                const MAX_MATCHES: usize = 100;
+
+                let matches = fuzzy::match_strings(
+                    &candidates,
+                    &query,
+                    false,
+                    true,
+                    MAX_MATCHES,
+                    &Default::default(),
+                    executor,
+                )
+                .await;
+
+                matches
+                    .into_iter()
+                    .map(|search_match| ListItemType::SearchResult {
+                        entry: entries[search_match.candidate_id].clone(),
+                        positions: search_match.positions,
+                    })
+                    .collect()
+            }
+        })
+    }
+
+    fn search_produced_no_matches(&self) -> bool {
+        self.visible_items.is_empty() && !self.search_query.is_empty()
+    }
+
+    fn selected_history_entry(&self) -> Option<&HistoryEntry> {
+        self.get_history_entry(self.selected_index)
+    }
+
+    fn get_history_entry(&self, visible_items_ix: usize) -> Option<&HistoryEntry> {
+        self.visible_items.get(visible_items_ix)?.history_entry()
+    }
+
+    fn set_selected_index(&mut self, mut index: usize, bias: Bias, cx: &mut Context<Self>) {
+        if self.visible_items.len() == 0 {
+            self.selected_index = 0;
+            return;
+        }
+        while matches!(
+            self.visible_items.get(index),
+            None | Some(ListItemType::BucketSeparator(..))
+        ) {
+            index = match bias {
+                Bias::Left => {
+                    if index == 0 {
+                        self.visible_items.len() - 1
+                    } else {
+                        index - 1
+                    }
+                }
+                Bias::Right => {
+                    if index >= self.visible_items.len() - 1 {
+                        0
+                    } else {
+                        index + 1
+                    }
+                }
+            };
+        }
+        self.selected_index = index;
+        self.scroll_handle
+            .scroll_to_item(index, ScrollStrategy::Top);
+        cx.notify()
+    }
+
+    pub fn select_previous(
+        &mut self,
+        _: &menu::SelectPrevious,
+        _window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        if self.selected_index == 0 {
+            self.set_selected_index(self.visible_items.len() - 1, Bias::Left, cx);
+        } else {
+            self.set_selected_index(self.selected_index - 1, Bias::Left, cx);
+        }
+    }
+
+    pub fn select_next(
+        &mut self,
+        _: &menu::SelectNext,
+        _window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        if self.selected_index == self.visible_items.len() - 1 {
+            self.set_selected_index(0, Bias::Right, cx);
+        } else {
+            self.set_selected_index(self.selected_index + 1, Bias::Right, cx);
+        }
+    }
+
+    fn select_first(
+        &mut self,
+        _: &menu::SelectFirst,
+        _window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        self.set_selected_index(0, Bias::Right, cx);
+    }
+
+    fn select_last(&mut self, _: &menu::SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
+        self.set_selected_index(self.visible_items.len() - 1, Bias::Left, cx);
+    }
+
+    fn confirm(&mut self, _: &menu::Confirm, _window: &mut Window, cx: &mut Context<Self>) {
+        self.confirm_entry(self.selected_index, cx);
+    }
+
+    fn confirm_entry(&mut self, ix: usize, cx: &mut Context<Self>) {
+        let Some(entry) = self.get_history_entry(ix) else {
+            return;
+        };
+        cx.emit(ThreadHistoryEvent::Open(entry.clone()));
+    }
+
+    fn remove_selected_thread(
+        &mut self,
+        _: &RemoveSelectedThread,
+        _window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        self.remove_thread(self.selected_index, cx)
+    }
+
+    fn remove_thread(&mut self, visible_item_ix: usize, cx: &mut Context<Self>) {
+        let Some(entry) = self.get_history_entry(visible_item_ix) else {
+            return;
+        };
+
+        let task = match entry {
+            HistoryEntry::AcpThread(thread) => self
+                .history_store
+                .update(cx, |this, cx| this.delete_thread(thread.id.clone(), cx)),
+            HistoryEntry::TextThread(context) => self.history_store.update(cx, |this, cx| {
+                this.delete_text_thread(context.path.clone(), cx)
+            }),
+        };
+        task.detach_and_log_err(cx);
+    }
+
+    fn render_scrollbar(&self, cx: &mut Context<Self>) -> Option<Stateful<Div>> {
+        if !(self.scrollbar_visibility || self.scrollbar_state.is_dragging()) {
+            return None;
+        }
+
+        Some(
+            div()
+                .occlude()
+                .id("thread-history-scroll")
+                .h_full()
+                .bg(cx.theme().colors().panel_background.opacity(0.8))
+                .border_l_1()
+                .border_color(cx.theme().colors().border_variant)
+                .absolute()
+                .right_1()
+                .top_0()
+                .bottom_0()
+                .w_4()
+                .pl_1()
+                .cursor_default()
+                .on_mouse_move(cx.listener(|_, _, _window, cx| {
+                    cx.notify();
+                    cx.stop_propagation()
+                }))
+                .on_hover(|_, _window, cx| {
+                    cx.stop_propagation();
+                })
+                .on_any_mouse_down(|_, _window, cx| {
+                    cx.stop_propagation();
+                })
+                .on_scroll_wheel(cx.listener(|_, _, _window, cx| {
+                    cx.notify();
+                }))
+                .children(Scrollbar::vertical(self.scrollbar_state.clone())),
+        )
+    }
+
+    fn render_list_items(
+        &mut self,
+        range: Range<usize>,
+        _window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Vec<AnyElement> {
+        self.visible_items
+            .get(range.clone())
+            .into_iter()
+            .flatten()
+            .enumerate()
+            .map(|(ix, item)| self.render_list_item(item, range.start + ix, cx))
+            .collect()
+    }
+
+    fn render_list_item(&self, item: &ListItemType, ix: usize, cx: &Context<Self>) -> AnyElement {
+        match item {
+            ListItemType::Entry { entry, format } => self
+                .render_history_entry(entry, *format, ix, Vec::default(), cx)
+                .into_any(),
+            ListItemType::SearchResult { entry, positions } => self.render_history_entry(
+                entry,
+                EntryTimeFormat::DateAndTime,
+                ix,
+                positions.clone(),
+                cx,
+            ),
+            ListItemType::BucketSeparator(bucket) => div()
+                .px(DynamicSpacing::Base06.rems(cx))
+                .pt_2()
+                .pb_1()
+                .child(
+                    Label::new(bucket.to_string())
+                        .size(LabelSize::XSmall)
+                        .color(Color::Muted),
+                )
+                .into_any_element(),
+        }
+    }
+
+    fn render_history_entry(
+        &self,
+        entry: &HistoryEntry,
+        format: EntryTimeFormat,
+        ix: usize,
+        highlight_positions: Vec<usize>,
+        cx: &Context<Self>,
+    ) -> AnyElement {
+        let selected = ix == self.selected_index;
+        let hovered = Some(ix) == self.hovered_index;
+        let timestamp = entry.updated_at().timestamp();
+        let thread_timestamp = format.format_timestamp(timestamp, self.local_timezone);
+
+        h_flex()
+            .w_full()
+            .pb_1()
+            .child(
+                ListItem::new(ix)
+                    .rounded()
+                    .toggle_state(selected)
+                    .spacing(ListItemSpacing::Sparse)
+                    .start_slot(
+                        h_flex()
+                            .w_full()
+                            .gap_2()
+                            .justify_between()
+                            .child(
+                                HighlightedLabel::new(entry.title(), highlight_positions)
+                                    .size(LabelSize::Small)
+                                    .truncate(),
+                            )
+                            .child(
+                                Label::new(thread_timestamp)
+                                    .color(Color::Muted)
+                                    .size(LabelSize::XSmall),
+                            ),
+                    )
+                    .on_hover(cx.listener(move |this, is_hovered, _window, cx| {
+                        if *is_hovered {
+                            this.hovered_index = Some(ix);
+                        } else if this.hovered_index == Some(ix) {
+                            this.hovered_index = None;
+                        }
+
+                        cx.notify();
+                    }))
+                    .end_slot::<IconButton>(if hovered {
+                        Some(
+                            IconButton::new("delete", IconName::Trash)
+                                .shape(IconButtonShape::Square)
+                                .icon_size(IconSize::XSmall)
+                                .icon_color(Color::Muted)
+                                .tooltip(move |window, cx| {
+                                    Tooltip::for_action("Delete", &RemoveSelectedThread, window, cx)
+                                })
+                                .on_click(
+                                    cx.listener(move |this, _, _, cx| this.remove_thread(ix, cx)),
+                                ),
+                        )
+                    } else {
+                        None
+                    })
+                    .on_click(cx.listener(move |this, _, _, cx| this.confirm_entry(ix, cx))),
+            )
+            .into_any_element()
+    }
+}
+
+impl Focusable for AcpThreadHistory {
+    fn focus_handle(&self, cx: &App) -> FocusHandle {
+        self.search_editor.focus_handle(cx)
+    }
+}
+
+impl Render for AcpThreadHistory {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        v_flex()
+            .key_context("ThreadHistory")
+            .size_full()
+            .on_action(cx.listener(Self::select_previous))
+            .on_action(cx.listener(Self::select_next))
+            .on_action(cx.listener(Self::select_first))
+            .on_action(cx.listener(Self::select_last))
+            .on_action(cx.listener(Self::confirm))
+            .on_action(cx.listener(Self::remove_selected_thread))
+            .when(!self.history_store.read(cx).is_empty(cx), |parent| {
+                parent.child(
+                    h_flex()
+                        .h(px(41.)) // Match the toolbar perfectly
+                        .w_full()
+                        .py_1()
+                        .px_2()
+                        .gap_2()
+                        .justify_between()
+                        .border_b_1()
+                        .border_color(cx.theme().colors().border)
+                        .child(
+                            Icon::new(IconName::MagnifyingGlass)
+                                .color(Color::Muted)
+                                .size(IconSize::Small),
+                        )
+                        .child(self.search_editor.clone()),
+                )
+            })
+            .child({
+                let view = v_flex()
+                    .id("list-container")
+                    .relative()
+                    .overflow_hidden()
+                    .flex_grow();
+
+                if self.history_store.read(cx).is_empty(cx) {
+                    view.justify_center()
+                        .child(
+                            h_flex().w_full().justify_center().child(
+                                Label::new("You don't have any past threads yet.")
+                                    .size(LabelSize::Small),
+                            ),
+                        )
+                } else if self.search_produced_no_matches() {
+                    view.justify_center().child(
+                        h_flex().w_full().justify_center().child(
+                            Label::new("No threads match your search.").size(LabelSize::Small),
+                        ),
+                    )
+                } else {
+                    view.pr_5()
+                        .child(
+                            uniform_list(
+                                "thread-history",
+                                self.visible_items.len(),
+                                cx.processor(|this, range: Range<usize>, window, cx| {
+                                    this.render_list_items(range, window, cx)
+                                }),
+                            )
+                            .p_1()
+                            .track_scroll(self.scroll_handle.clone())
+                            .flex_grow(),
+                        )
+                        .when_some(self.render_scrollbar(cx), |div, scrollbar| {
+                            div.child(scrollbar)
+                        })
+                }
+            })
+    }
+}
+
+#[derive(IntoElement)]
+pub struct AcpHistoryEntryElement {
+    entry: HistoryEntry,
+    thread_view: WeakEntity<AcpThreadView>,
+    selected: bool,
+    hovered: bool,
+    on_hover: Box<dyn Fn(&bool, &mut Window, &mut App) + 'static>,
+}
+
+impl AcpHistoryEntryElement {
+    pub fn new(entry: HistoryEntry, thread_view: WeakEntity<AcpThreadView>) -> Self {
+        Self {
+            entry,
+            thread_view,
+            selected: false,
+            hovered: false,
+            on_hover: Box::new(|_, _, _| {}),
+        }
+    }
+
+    pub fn hovered(mut self, hovered: bool) -> Self {
+        self.hovered = hovered;
+        self
+    }
+
+    pub fn on_hover(mut self, on_hover: impl Fn(&bool, &mut Window, &mut App) + 'static) -> Self {
+        self.on_hover = Box::new(on_hover);
+        self
+    }
+}
+
+impl RenderOnce for AcpHistoryEntryElement {
+    fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement {
+        let id = self.entry.id();
+        let title = self.entry.title();
+        let timestamp = self.entry.updated_at();
+
+        let formatted_time = {
+            let now = chrono::Utc::now();
+            let duration = now.signed_duration_since(timestamp);
+
+            if duration.num_days() > 0 {
+                format!("{}d", duration.num_days())
+            } else if duration.num_hours() > 0 {
+                format!("{}h ago", duration.num_hours())
+            } else if duration.num_minutes() > 0 {
+                format!("{}m ago", duration.num_minutes())
+            } else {
+                "Just now".to_string()
+            }
+        };
+
+        ListItem::new(id)
+            .rounded()
+            .toggle_state(self.selected)
+            .spacing(ListItemSpacing::Sparse)
+            .start_slot(
+                h_flex()
+                    .w_full()
+                    .gap_2()
+                    .justify_between()
+                    .child(Label::new(title).size(LabelSize::Small).truncate())
+                    .child(
+                        Label::new(formatted_time)
+                            .color(Color::Muted)
+                            .size(LabelSize::XSmall),
+                    ),
+            )
+            .on_hover(self.on_hover)
+            .end_slot::<IconButton>(if self.hovered || self.selected {
+                Some(
+                    IconButton::new("delete", IconName::Trash)
+                        .shape(IconButtonShape::Square)
+                        .icon_size(IconSize::XSmall)
+                        .icon_color(Color::Muted)
+                        .tooltip(move |window, cx| {
+                            Tooltip::for_action("Delete", &RemoveSelectedThread, window, cx)
+                        })
+                        .on_click({
+                            let thread_view = self.thread_view.clone();
+                            let entry = self.entry.clone();
+
+                            move |_event, _window, cx| {
+                                if let Some(thread_view) = thread_view.upgrade() {
+                                    thread_view.update(cx, |thread_view, cx| {
+                                        thread_view.delete_history_entry(entry.clone(), cx);
+                                    });
+                                }
+                            }
+                        }),
+                )
+            } else {
+                None
+            })
+            .on_click({
+                let thread_view = self.thread_view.clone();
+                let entry = self.entry;
+
+                move |_event, window, cx| {
+                    if let Some(workspace) = thread_view
+                        .upgrade()
+                        .and_then(|view| view.read(cx).workspace().upgrade())
+                    {
+                        match &entry {
+                            HistoryEntry::AcpThread(thread_metadata) => {
+                                if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
+                                    panel.update(cx, |panel, cx| {
+                                        panel.load_agent_thread(
+                                            thread_metadata.clone(),
+                                            window,
+                                            cx,
+                                        );
+                                    });
+                                }
+                            }
+                            HistoryEntry::TextThread(context) => {
+                                if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
+                                    panel.update(cx, |panel, cx| {
+                                        panel
+                                            .open_saved_prompt_editor(
+                                                context.path.clone(),
+                                                window,
+                                                cx,
+                                            )
+                                            .detach_and_log_err(cx);
+                                    });
+                                }
+                            }
+                        }
+                    }
+                }
+            })
+    }
+}
+
+#[derive(Clone, Copy)]
+pub enum EntryTimeFormat {
+    DateAndTime,
+    TimeOnly,
+}
+
+impl EntryTimeFormat {
+    fn format_timestamp(&self, timestamp: i64, timezone: UtcOffset) -> String {
+        let timestamp = OffsetDateTime::from_unix_timestamp(timestamp).unwrap();
+
+        match self {
+            EntryTimeFormat::DateAndTime => time_format::format_localized_timestamp(
+                timestamp,
+                OffsetDateTime::now_utc(),
+                timezone,
+                time_format::TimestampFormat::EnhancedAbsolute,
+            ),
+            EntryTimeFormat::TimeOnly => time_format::format_time(timestamp),
+        }
+    }
+}
+
+impl From<TimeBucket> for EntryTimeFormat {
+    fn from(bucket: TimeBucket) -> Self {
+        match bucket {
+            TimeBucket::Today => EntryTimeFormat::TimeOnly,
+            TimeBucket::Yesterday => EntryTimeFormat::TimeOnly,
+            TimeBucket::ThisWeek => EntryTimeFormat::DateAndTime,
+            TimeBucket::PastWeek => EntryTimeFormat::DateAndTime,
+            TimeBucket::All => EntryTimeFormat::DateAndTime,
+        }
+    }
+}
+
+#[derive(PartialEq, Eq, Clone, Copy, Debug)]
+enum TimeBucket {
+    Today,
+    Yesterday,
+    ThisWeek,
+    PastWeek,
+    All,
+}
+
+impl TimeBucket {
+    fn from_dates(reference: NaiveDate, date: NaiveDate) -> Self {
+        if date == reference {
+            return TimeBucket::Today;
+        }
+
+        if date == reference - TimeDelta::days(1) {
+            return TimeBucket::Yesterday;
+        }
+
+        let week = date.iso_week();
+
+        if reference.iso_week() == week {
+            return TimeBucket::ThisWeek;
+        }
+
+        let last_week = (reference - TimeDelta::days(7)).iso_week();
+
+        if week == last_week {
+            return TimeBucket::PastWeek;
+        }
+
+        TimeBucket::All
+    }
+}
+
+impl Display for TimeBucket {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            TimeBucket::Today => write!(f, "Today"),
+            TimeBucket::Yesterday => write!(f, "Yesterday"),
+            TimeBucket::ThisWeek => write!(f, "This Week"),
+            TimeBucket::PastWeek => write!(f, "Past Week"),
+            TimeBucket::All => write!(f, "All"),
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use chrono::NaiveDate;
+
+    #[test]
+    fn test_time_bucket_from_dates() {
+        let today = NaiveDate::from_ymd_opt(2023, 1, 15).unwrap();
+
+        let date = today;
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::Today);
+
+        let date = NaiveDate::from_ymd_opt(2023, 1, 14).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::Yesterday);
+
+        let date = NaiveDate::from_ymd_opt(2023, 1, 13).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::ThisWeek);
+
+        let date = NaiveDate::from_ymd_opt(2023, 1, 11).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::ThisWeek);
+
+        let date = NaiveDate::from_ymd_opt(2023, 1, 8).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::PastWeek);
+
+        let date = NaiveDate::from_ymd_opt(2023, 1, 5).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::PastWeek);
+
+        // All: not in this week or last week
+        let date = NaiveDate::from_ymd_opt(2023, 1, 1).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::All);
+
+        // Test year boundary cases
+        let new_year = NaiveDate::from_ymd_opt(2023, 1, 1).unwrap();
+
+        let date = NaiveDate::from_ymd_opt(2022, 12, 31).unwrap();
+        assert_eq!(
+            TimeBucket::from_dates(new_year, date),
+            TimeBucket::Yesterday
+        );
+
+        let date = NaiveDate::from_ymd_opt(2022, 12, 28).unwrap();
+        assert_eq!(TimeBucket::from_dates(new_year, date), TimeBucket::ThisWeek);
+    }
+}
diff --git a/crates/agent_ui/src/acp/thread_view.rs b/crates/agent_ui/src/acp/thread_view.rs
index e46e1ae3ab..6d8f8fb82e 100644
--- a/crates/agent_ui/src/acp/thread_view.rs
+++ b/crates/agent_ui/src/acp/thread_view.rs
@@ -1,74 +1,286 @@
+use acp_thread::{
+    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
+    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
+    ToolCallStatus, UserMessageId,
+};
 use acp_thread::{AgentConnection, Plan};
-use agent_servers::AgentServer;
-use std::cell::RefCell;
-use std::collections::BTreeMap;
-use std::path::Path;
-use std::rc::Rc;
-use std::sync::Arc;
-use std::time::Duration;
-
-use agent_client_protocol as acp;
-use assistant_tool::ActionLog;
+use action_log::ActionLog;
+use agent_client_protocol::{self as acp, PromptCapabilities};
+use agent_servers::{AgentServer, ClaudeCode};
+use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
+use agent2::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore};
+use anyhow::bail;
+use audio::{Audio, Sound};
 use buffer_diff::BufferDiff;
+use client::zed_urls;
 use collections::{HashMap, HashSet};
-use editor::{
-    AnchorRangeExt, ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement, EditorMode,
-    EditorStyle, MinimapVisibility, MultiBuffer, PathKey,
-};
+use editor::scroll::Autoscroll;
+use editor::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
 use file_icons::FileIcons;
+use fs::Fs;
 use gpui::{
-    Action, Animation, AnimationExt, App, BorderStyle, EdgesRefinement, Empty, Entity, EntityId,
-    FocusHandle, Focusable, Hsla, Length, ListOffset, ListState, SharedString, StyleRefinement,
-    Subscription, Task, TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity,
-    Window, div, linear_color_stop, linear_gradient, list, percentage, point, prelude::*,
-    pulsating_between,
+    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
+    EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length, ListOffset,
+    ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement, Subscription,
+    Task, TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity, Window,
+    WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, percentage, point,
+    prelude::*, pulsating_between,
 };
-use language::language_settings::SoftWrap;
-use language::{Buffer, Language};
+use language::Buffer;
+
+use language_model::LanguageModelRegistry;
 use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
-use parking_lot::Mutex;
-use project::Project;
-use settings::Settings as _;
+use project::{Project, ProjectEntryId};
+use prompt_store::{PromptId, PromptStore};
+use rope::Point;
+use settings::{Settings as _, SettingsStore};
+use std::cell::Cell;
+use std::path::Path;
+use std::sync::Arc;
+use std::time::Instant;
+use std::{collections::BTreeMap, rc::Rc, time::Duration};
 use text::Anchor;
 use theme::ThemeSettings;
-use ui::{Disclosure, Divider, DividerColor, KeyBinding, Tooltip, prelude::*};
-use util::ResultExt;
+use ui::{
+    Callout, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle,
+    Scrollbar, ScrollbarState, SpinnerLabel, Tooltip, prelude::*,
+};
+use util::{ResultExt, size::format_file_size, time::duration_alt_display};
 use workspace::{CollaboratorId, Workspace};
-use zed_actions::agent::{Chat, NextHistoryMessage, PreviousHistoryMessage};
+use zed_actions::agent::{Chat, ToggleModelSelector};
+use zed_actions::assistant::OpenRulesLibrary;
 
-use ::acp_thread::{
-    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk, Diff,
-    LoadError, MentionPath, ThreadStatus, ToolCall, ToolCallContent, ToolCallStatus,
+use super::entry_view_state::EntryViewState;
+use crate::acp::AcpModelSelectorPopover;
+use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
+use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
+use crate::agent_diff::AgentDiff;
+use crate::profile_selector::{ProfileProvider, ProfileSelector};
+
+use crate::ui::preview::UsageCallout;
+use crate::ui::{
+    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
+};
+use crate::{
+    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, ExpandMessageEditor, Follow,
+    KeepAll, OpenAgentDiff, OpenHistory, RejectAll, ToggleBurnMode, ToggleProfileSelector,
 };
 
-use crate::acp::completion_provider::{ContextPickerCompletionProvider, MentionSet};
-use crate::acp::message_history::MessageHistory;
-use crate::agent_diff::AgentDiff;
-use crate::message_editor::{MAX_EDITOR_LINES, MIN_EDITOR_LINES};
-use crate::{AgentDiffPane, ExpandMessageEditor, Follow, KeepAll, OpenAgentDiff, RejectAll};
-
 const RESPONSE_PADDING_X: Pixels = px(19.);
+pub const MIN_EDITOR_LINES: usize = 4;
+pub const MAX_EDITOR_LINES: usize = 8;
+
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+enum ThreadFeedback {
+    Positive,
+    Negative,
+}
+
+enum ThreadError {
+    PaymentRequired,
+    ModelRequestLimitReached(cloud_llm_client::Plan),
+    ToolUseLimitReached,
+    AuthenticationRequired(SharedString),
+    Other(SharedString),
+}
+
+impl ThreadError {
+    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
+        if error.is::<language_model::PaymentRequiredError>() {
+            Self::PaymentRequired
+        } else if error.is::<language_model::ToolUseLimitReachedError>() {
+            Self::ToolUseLimitReached
+        } else if let Some(error) =
+            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
+        {
+            Self::ModelRequestLimitReached(error.plan)
+        } else {
+            let string = error.to_string();
+            // TODO: we should have Gemini return better errors here.
+            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
+                && string.contains("Could not load the default credentials")
+                || string.contains("API key not valid")
+                || string.contains("Request had invalid authentication credentials")
+            {
+                Self::AuthenticationRequired(string.into())
+            } else {
+                Self::Other(error.to_string().into())
+            }
+        }
+    }
+}
+
+impl ProfileProvider for Entity<agent2::Thread> {
+    fn profile_id(&self, cx: &App) -> AgentProfileId {
+        self.read(cx).profile().clone()
+    }
+
+    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
+        self.update(cx, |thread, _cx| {
+            thread.set_profile(profile_id);
+        });
+    }
+
+    fn profiles_supported(&self, cx: &App) -> bool {
+        self.read(cx)
+            .model()
+            .is_some_and(|model| model.supports_tools())
+    }
+}
+
+#[derive(Default)]
+struct ThreadFeedbackState {
+    feedback: Option<ThreadFeedback>,
+    comments_editor: Option<Entity<Editor>>,
+}
+
+impl ThreadFeedbackState {
+    pub fn submit(
+        &mut self,
+        thread: Entity<AcpThread>,
+        feedback: ThreadFeedback,
+        window: &mut Window,
+        cx: &mut App,
+    ) {
+        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
+            return;
+        };
+
+        if self.feedback == Some(feedback) {
+            return;
+        }
+
+        self.feedback = Some(feedback);
+        match feedback {
+            ThreadFeedback::Positive => {
+                self.comments_editor = None;
+            }
+            ThreadFeedback::Negative => {
+                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
+            }
+        }
+        let session_id = thread.read(cx).session_id().clone();
+        let agent_name = telemetry.agent_name();
+        let task = telemetry.thread_data(&session_id, cx);
+        let rating = match feedback {
+            ThreadFeedback::Positive => "positive",
+            ThreadFeedback::Negative => "negative",
+        };
+        cx.background_spawn(async move {
+            let thread = task.await?;
+            telemetry::event!(
+                "Agent Thread Rated",
+                session_id = session_id,
+                rating = rating,
+                agent = agent_name,
+                thread = thread
+            );
+            anyhow::Ok(())
+        })
+        .detach_and_log_err(cx);
+    }
+
+    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
+        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
+            return;
+        };
+
+        let Some(comments) = self
+            .comments_editor
+            .as_ref()
+            .map(|editor| editor.read(cx).text(cx))
+            .filter(|text| !text.trim().is_empty())
+        else {
+            return;
+        };
+
+        self.comments_editor.take();
+
+        let session_id = thread.read(cx).session_id().clone();
+        let agent_name = telemetry.agent_name();
+        let task = telemetry.thread_data(&session_id, cx);
+        cx.background_spawn(async move {
+            let thread = task.await?;
+            telemetry::event!(
+                "Agent Thread Feedback Comments",
+                session_id = session_id,
+                comments = comments,
+                agent = agent_name,
+                thread = thread
+            );
+            anyhow::Ok(())
+        })
+        .detach_and_log_err(cx);
+    }
+
+    pub fn clear(&mut self) {
+        *self = Self::default()
+    }
+
+    pub fn dismiss_comments(&mut self) {
+        self.comments_editor.take();
+    }
+
+    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
+        let buffer = cx.new(|cx| {
+            let empty_string = String::new();
+            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
+        });
+
+        let editor = cx.new(|cx| {
+            let mut editor = Editor::new(
+                editor::EditorMode::AutoHeight {
+                    min_lines: 1,
+                    max_lines: Some(4),
+                },
+                buffer,
+                None,
+                window,
+                cx,
+            );
+            editor.set_placeholder_text(
+                "What went wrong? Share your feedback so we can improve.",
+                cx,
+            );
+            editor
+        });
+
+        editor.read(cx).focus_handle(cx).focus(window);
+        editor
+    }
+}
 
 pub struct AcpThreadView {
     agent: Rc<dyn AgentServer>,
     workspace: WeakEntity<Workspace>,
     project: Entity<Project>,
     thread_state: ThreadState,
-    diff_editors: HashMap<EntityId, Entity<Editor>>,
-    message_editor: Entity<Editor>,
-    message_set_from_history: bool,
-    _message_editor_subscription: Subscription,
-    mention_set: Arc<Mutex<MentionSet>>,
-    last_error: Option<Entity<Markdown>>,
+    history_store: Entity<HistoryStore>,
+    hovered_recent_history_item: Option<usize>,
+    entry_view_state: Entity<EntryViewState>,
+    message_editor: Entity<MessageEditor>,
+    focus_handle: FocusHandle,
+    model_selector: Option<Entity<AcpModelSelectorPopover>>,
+    profile_selector: Option<Entity<ProfileSelector>>,
+    notifications: Vec<WindowHandle<AgentNotification>>,
+    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
+    thread_retry_status: Option<RetryStatus>,
+    thread_error: Option<ThreadError>,
+    thread_feedback: ThreadFeedbackState,
     list_state: ListState,
+    scrollbar_state: ScrollbarState,
     auth_task: Option<Task<()>>,
     expanded_tool_calls: HashSet<acp::ToolCallId>,
     expanded_thinking_blocks: HashSet<(usize, usize)>,
     edits_expanded: bool,
     plan_expanded: bool,
     editor_expanded: bool,
-    message_history: Rc<RefCell<MessageHistory<Vec<acp::ContentBlock>>>>,
+    should_be_following: bool,
+    editing_message: Option<usize>,
+    prompt_capabilities: Rc<Cell<PromptCapabilities>>,
+    is_loading_contents: bool,
     _cancel_task: Option<Task<()>>,
+    _subscriptions: [Subscription; 3],
 }
 
 enum ThreadState {
@@ -77,119 +289,118 @@ enum ThreadState {
     },
     Ready {
         thread: Entity<AcpThread>,
-        _subscription: [Subscription; 2],
+        title_editor: Option<Entity<Editor>>,
+        _subscriptions: Vec<Subscription>,
     },
     LoadError(LoadError),
     Unauthenticated {
         connection: Rc<dyn AgentConnection>,
+        description: Option<Entity<Markdown>>,
+        configuration_view: Option<AnyView>,
+        pending_auth_method: Option<acp::AuthMethodId>,
+        _subscription: Option<Subscription>,
     },
 }
 
 impl AcpThreadView {
     pub fn new(
         agent: Rc<dyn AgentServer>,
+        resume_thread: Option<DbThreadMetadata>,
+        summarize_thread: Option<DbThreadMetadata>,
         workspace: WeakEntity<Workspace>,
         project: Entity<Project>,
-        message_history: Rc<RefCell<MessageHistory<Vec<acp::ContentBlock>>>>,
-        min_lines: usize,
-        max_lines: Option<usize>,
+        history_store: Entity<HistoryStore>,
+        prompt_store: Option<Entity<PromptStore>>,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Self {
-        let language = Language::new(
-            language::LanguageConfig {
-                completion_query_characters: HashSet::from_iter(['.', '-', '_', '@']),
-                ..Default::default()
-            },
-            None,
-        );
+        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
+        let prevent_slash_commands = agent.clone().downcast::<ClaudeCode>().is_some();
 
-        let mention_set = Arc::new(Mutex::new(MentionSet::default()));
+        let placeholder = if agent.name() == "Zed Agent" {
+            format!("Message the {} — @ to include context", agent.name())
+        } else {
+            format!("Message {} — @ to include context", agent.name())
+        };
 
         let message_editor = cx.new(|cx| {
-            let buffer = cx.new(|cx| Buffer::local("", cx).with_language(Arc::new(language), cx));
-            let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
-
-            let mut editor = Editor::new(
+            let mut editor = MessageEditor::new(
+                workspace.clone(),
+                project.clone(),
+                history_store.clone(),
+                prompt_store.clone(),
+                prompt_capabilities.clone(),
+                placeholder,
+                prevent_slash_commands,
                 editor::EditorMode::AutoHeight {
-                    min_lines,
-                    max_lines: max_lines,
+                    min_lines: MIN_EDITOR_LINES,
+                    max_lines: Some(MAX_EDITOR_LINES),
                 },
-                buffer,
-                None,
                 window,
                 cx,
             );
-            editor.set_placeholder_text("Message the agent － @ to include files", cx);
-            editor.set_show_indent_guides(false, cx);
-            editor.set_soft_wrap();
-            editor.set_use_modal_editing(true);
-            editor.set_completion_provider(Some(Rc::new(ContextPickerCompletionProvider::new(
-                mention_set.clone(),
-                workspace.clone(),
-                cx.weak_entity(),
-            ))));
-            editor.set_context_menu_options(ContextMenuOptions {
-                min_entries_visible: 12,
-                max_entries_visible: 12,
-                placement: Some(ContextMenuPlacement::Above),
-            });
+            if let Some(entry) = summarize_thread {
+                editor.insert_thread_summary(entry, window, cx);
+            }
             editor
         });
 
-        let message_editor_subscription = cx.subscribe(&message_editor, |this, _, event, _| {
-            if let editor::EditorEvent::BufferEdited = &event {
-                if !this.message_set_from_history {
-                    this.message_history.borrow_mut().reset_position();
-                }
-                this.message_set_from_history = false;
-            }
+        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
+
+        let entry_view_state = cx.new(|_| {
+            EntryViewState::new(
+                workspace.clone(),
+                project.clone(),
+                history_store.clone(),
+                prompt_store.clone(),
+                prompt_capabilities.clone(),
+                prevent_slash_commands,
+            )
         });
 
-        let mention_set = mention_set.clone();
-
-        let list_state = ListState::new(
-            0,
-            gpui::ListAlignment::Bottom,
-            px(2048.0),
-            cx.processor({
-                move |this: &mut Self, index: usize, window, cx| {
-                    let Some((entry, len)) = this.thread().and_then(|thread| {
-                        let entries = &thread.read(cx).entries();
-                        Some((entries.get(index)?, entries.len()))
-                    }) else {
-                        return Empty.into_any();
-                    };
-                    this.render_entry(index, len, entry, window, cx)
-                }
-            }),
-        );
+        let subscriptions = [
+            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
+            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
+            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
+        ];
 
         Self {
             agent: agent.clone(),
             workspace: workspace.clone(),
             project: project.clone(),
-            thread_state: Self::initial_state(agent, workspace, project, window, cx),
+            entry_view_state,
+            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
             message_editor,
-            message_set_from_history: false,
-            _message_editor_subscription: message_editor_subscription,
-            mention_set,
-            diff_editors: Default::default(),
-            list_state: list_state,
-            last_error: None,
+            model_selector: None,
+            profile_selector: None,
+            notifications: Vec::new(),
+            notification_subscriptions: HashMap::default(),
+            list_state: list_state.clone(),
+            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
+            thread_retry_status: None,
+            thread_error: None,
+            thread_feedback: Default::default(),
             auth_task: None,
             expanded_tool_calls: HashSet::default(),
             expanded_thinking_blocks: HashSet::default(),
+            editing_message: None,
             edits_expanded: false,
             plan_expanded: false,
             editor_expanded: false,
-            message_history,
+            should_be_following: false,
+            history_store,
+            hovered_recent_history_item: None,
+            prompt_capabilities,
+            is_loading_contents: false,
+            _subscriptions: subscriptions,
             _cancel_task: None,
+            focus_handle: cx.focus_handle(),
         }
     }
 
     fn initial_state(
         agent: Rc<dyn AgentServer>,
+        resume_thread: Option<DbThreadMetadata>,
         workspace: WeakEntity<Workspace>,
         project: Entity<Project>,
         window: &mut Window,
@@ -205,10 +416,14 @@ impl AcpThreadView {
         let connect_task = agent.connect(&root_dir, &project, cx);
         let load_task = cx.spawn_in(window, async move |this, cx| {
             let connection = match connect_task.await {
-                Ok(thread) => thread,
+                Ok(connection) => connection,
                 Err(err) => {
-                    this.update(cx, |this, cx| {
-                        this.handle_load_error(err, cx);
+                    this.update_in(cx, |this, window, cx| {
+                        if err.downcast_ref::<LoadError>().is_some() {
+                            this.handle_load_error(err, window, cx);
+                        } else {
+                            this.handle_thread_error(err, cx);
+                        }
                         cx.notify();
                     })
                     .log_err();
@@ -216,51 +431,132 @@ impl AcpThreadView {
                 }
             };
 
-            let result = match connection
+            let result = if let Some(native_agent) = connection
                 .clone()
-                .new_thread(project.clone(), &root_dir, cx)
-                .await
+                .downcast::<agent2::NativeAgentConnection>()
+                && let Some(resume) = resume_thread.clone()
             {
-                Err(e) => {
-                    let mut cx = cx.clone();
-                    if e.downcast_ref::<acp_thread::Unauthenticated>().is_some() {
-                        this.update(&mut cx, |this, cx| {
-                            this.thread_state = ThreadState::Unauthenticated { connection };
-                            cx.notify();
+                cx.update(|_, cx| {
+                    native_agent
+                        .0
+                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
+                })
+                .log_err()
+            } else {
+                cx.update(|_, cx| {
+                    connection
+                        .clone()
+                        .new_thread(project.clone(), &root_dir, cx)
+                })
+                .log_err()
+            };
+
+            let Some(result) = result else {
+                return;
+            };
+
+            let result = match result.await {
+                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
+                    Ok(err) => {
+                        cx.update(|window, cx| {
+                            Self::handle_auth_required(this, err, agent, connection, window, cx)
                         })
-                        .ok();
+                        .log_err();
                         return;
-                    } else {
-                        Err(e)
                     }
-                }
-                Ok(session_id) => Ok(session_id),
+                    Err(err) => Err(err),
+                },
+                Ok(thread) => Ok(thread),
             };
 
             this.update_in(cx, |this, window, cx| {
                 match result {
                     Ok(thread) => {
-                        let thread_subscription =
-                            cx.subscribe_in(&thread, window, Self::handle_thread_event);
-
                         let action_log = thread.read(cx).action_log().clone();
-                        let action_log_subscription =
-                            cx.observe(&action_log, |_, _, cx| cx.notify());
 
-                        this.list_state
-                            .splice(0..0, thread.read(cx).entries().len());
+                        this.prompt_capabilities
+                            .set(thread.read(cx).prompt_capabilities());
+
+                        let count = thread.read(cx).entries().len();
+                        this.list_state.splice(0..0, count);
+                        this.entry_view_state.update(cx, |view_state, cx| {
+                            for ix in 0..count {
+                                view_state.sync_entry(ix, &thread, window, cx);
+                            }
+                        });
+
+                        if let Some(resume) = resume_thread {
+                            this.history_store.update(cx, |history, cx| {
+                                history.push_recently_opened_entry(
+                                    HistoryEntryId::AcpThread(resume.id),
+                                    cx,
+                                );
+                            });
+                        }
 
                         AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 
+                        this.model_selector =
+                            thread
+                                .read(cx)
+                                .connection()
+                                .model_selector()
+                                .map(|selector| {
+                                    cx.new(|cx| {
+                                        AcpModelSelectorPopover::new(
+                                            thread.read(cx).session_id().clone(),
+                                            selector,
+                                            PopoverMenuHandle::default(),
+                                            this.focus_handle(cx),
+                                            window,
+                                            cx,
+                                        )
+                                    })
+                                });
+
+                        let mut subscriptions = vec![
+                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
+                            cx.observe(&action_log, |_, _, cx| cx.notify()),
+                        ];
+
+                        let title_editor =
+                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
+                                let editor = cx.new(|cx| {
+                                    let mut editor = Editor::single_line(window, cx);
+                                    editor.set_text(thread.read(cx).title(), window, cx);
+                                    editor
+                                });
+                                subscriptions.push(cx.subscribe_in(
+                                    &editor,
+                                    window,
+                                    Self::handle_title_editor_event,
+                                ));
+                                Some(editor)
+                            } else {
+                                None
+                            };
                         this.thread_state = ThreadState::Ready {
                             thread,
-                            _subscription: [thread_subscription, action_log_subscription],
+                            title_editor,
+                            _subscriptions: subscriptions,
                         };
+                        this.message_editor.focus_handle(cx).focus(window);
+
+                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
+                            cx.new(|cx| {
+                                ProfileSelector::new(
+                                    <dyn Fs>::global(cx),
+                                    Arc::new(thread.clone()),
+                                    this.focus_handle(cx),
+                                    cx,
+                                )
+                            })
+                        });
 
                         cx.notify();
                     }
                     Err(err) => {
-                        this.handle_load_error(err, cx);
+                        this.handle_load_error(err, window, cx);
                     }
                 };
             })
@@ -270,35 +566,122 @@ impl AcpThreadView {
         ThreadState::Loading { _task: load_task }
     }
 
-    fn handle_load_error(&mut self, err: anyhow::Error, cx: &mut Context<Self>) {
+    fn handle_auth_required(
+        this: WeakEntity<Self>,
+        err: AuthRequired,
+        agent: Rc<dyn AgentServer>,
+        connection: Rc<dyn AgentConnection>,
+        window: &mut Window,
+        cx: &mut App,
+    ) {
+        let agent_name = agent.name();
+        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
+            let registry = LanguageModelRegistry::global(cx);
+
+            let sub = window.subscribe(&registry, cx, {
+                let provider_id = provider_id.clone();
+                let this = this.clone();
+                move |_, ev, window, cx| {
+                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
+                        && &provider_id == updated_provider_id
+                    {
+                        this.update(cx, |this, cx| {
+                            this.thread_state = Self::initial_state(
+                                agent.clone(),
+                                None,
+                                this.workspace.clone(),
+                                this.project.clone(),
+                                window,
+                                cx,
+                            );
+                            cx.notify();
+                        })
+                        .ok();
+                    }
+                }
+            });
+
+            let view = registry.read(cx).provider(&provider_id).map(|provider| {
+                provider.configuration_view(
+                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
+                    window,
+                    cx,
+                )
+            });
+
+            (view, Some(sub))
+        } else {
+            (None, None)
+        };
+
+        this.update(cx, |this, cx| {
+            this.thread_state = ThreadState::Unauthenticated {
+                pending_auth_method: None,
+                connection,
+                configuration_view,
+                description: err
+                    .description
+                    .clone()
+                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
+                _subscription: subscription,
+            };
+            if this.message_editor.focus_handle(cx).is_focused(window) {
+                this.focus_handle.focus(window)
+            }
+            cx.notify();
+        })
+        .ok();
+    }
+
+    fn handle_load_error(
+        &mut self,
+        err: anyhow::Error,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
         if let Some(load_err) = err.downcast_ref::<LoadError>() {
             self.thread_state = ThreadState::LoadError(load_err.clone());
         } else {
             self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
         }
+        if self.message_editor.focus_handle(cx).is_focused(window) {
+            self.focus_handle.focus(window)
+        }
         cx.notify();
     }
 
+    pub fn workspace(&self) -> &WeakEntity<Workspace> {
+        &self.workspace
+    }
+
     pub fn thread(&self) -> Option<&Entity<AcpThread>> {
         match &self.thread_state {
             ThreadState::Ready { thread, .. } => Some(thread),
             ThreadState::Unauthenticated { .. }
             | ThreadState::Loading { .. }
-            | ThreadState::LoadError(..) => None,
+            | ThreadState::LoadError { .. } => None,
         }
     }
 
-    pub fn title(&self, cx: &App) -> SharedString {
+    pub fn title(&self) -> SharedString {
         match &self.thread_state {
-            ThreadState::Ready { thread, .. } => thread.read(cx).title(),
+            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
             ThreadState::Loading { .. } => "Loading…".into(),
             ThreadState::LoadError(_) => "Failed to load".into(),
-            ThreadState::Unauthenticated { .. } => "Not authenticated".into(),
         }
     }
 
-    pub fn cancel(&mut self, cx: &mut Context<Self>) {
-        self.last_error.take();
+    pub fn title_editor(&self) -> Option<Entity<Editor>> {
+        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
+            title_editor.clone()
+        } else {
+            None
+        }
+    }
+
+    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
+        self.thread_error.take();
+        self.thread_retry_status.take();
 
         if let Some(thread) = self.thread() {
             self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
@@ -317,126 +700,332 @@ impl AcpThreadView {
 
     fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
         self.editor_expanded = is_expanded;
-        self.message_editor.update(cx, |editor, _| {
-            if self.editor_expanded {
-                editor.set_mode(EditorMode::Full {
-                    scale_ui_elements_with_buffer_font_size: false,
-                    show_active_line_background: false,
-                    sized_by_content: false,
-                })
+        self.message_editor.update(cx, |editor, cx| {
+            if is_expanded {
+                editor.set_mode(
+                    EditorMode::Full {
+                        scale_ui_elements_with_buffer_font_size: false,
+                        show_active_line_background: false,
+                        sized_by_content: false,
+                    },
+                    cx,
+                )
             } else {
-                editor.set_mode(EditorMode::AutoHeight {
-                    min_lines: MIN_EDITOR_LINES,
-                    max_lines: Some(MAX_EDITOR_LINES),
-                })
+                editor.set_mode(
+                    EditorMode::AutoHeight {
+                        min_lines: MIN_EDITOR_LINES,
+                        max_lines: Some(MAX_EDITOR_LINES),
+                    },
+                    cx,
+                )
             }
         });
         cx.notify();
     }
 
-    fn chat(&mut self, _: &Chat, window: &mut Window, cx: &mut Context<Self>) {
-        self.last_error.take();
+    pub fn handle_title_editor_event(
+        &mut self,
+        title_editor: &Entity<Editor>,
+        event: &EditorEvent,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let Some(thread) = self.thread() else { return };
 
-        let mut ix = 0;
-        let mut chunks: Vec<acp::ContentBlock> = Vec::new();
-        let project = self.project.clone();
-        self.message_editor.update(cx, |editor, cx| {
-            let text = editor.text(cx);
-            editor.display_map.update(cx, |map, cx| {
-                let snapshot = map.snapshot(cx);
-                for (crease_id, crease) in snapshot.crease_snapshot.creases() {
-                    if let Some(project_path) =
-                        self.mention_set.lock().path_for_crease_id(crease_id)
-                    {
-                        let crease_range = crease.range().to_offset(&snapshot.buffer_snapshot);
-                        if crease_range.start > ix {
-                            chunks.push(text[ix..crease_range.start].into());
-                        }
-                        if let Some(abs_path) = project.read(cx).absolute_path(&project_path, cx) {
-                            let path_str = abs_path.display().to_string();
-                            chunks.push(acp::ContentBlock::ResourceLink(acp::ResourceLink {
-                                uri: path_str.clone(),
-                                name: path_str,
-                                annotations: None,
-                                description: None,
-                                mime_type: None,
-                                size: None,
-                                title: None,
-                            }));
-                        }
-                        ix = crease_range.end;
+        match event {
+            EditorEvent::BufferEdited => {
+                let new_title = title_editor.read(cx).text(cx);
+                thread.update(cx, |thread, cx| {
+                    thread
+                        .set_title(new_title.into(), cx)
+                        .detach_and_log_err(cx);
+                })
+            }
+            EditorEvent::Blurred => {
+                if title_editor.read(cx).text(cx).is_empty() {
+                    title_editor.update(cx, |editor, cx| {
+                        editor.set_text("New Thread", window, cx);
+                    });
+                }
+            }
+            _ => {}
+        }
+    }
+
+    pub fn handle_message_editor_event(
+        &mut self,
+        _: &Entity<MessageEditor>,
+        event: &MessageEditorEvent,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        match event {
+            MessageEditorEvent::Send => self.send(window, cx),
+            MessageEditorEvent::Cancel => self.cancel_generation(cx),
+            MessageEditorEvent::Focus => {
+                self.cancel_editing(&Default::default(), window, cx);
+            }
+            MessageEditorEvent::LostFocus => {}
+        }
+    }
+
+    pub fn handle_entry_view_event(
+        &mut self,
+        _: &Entity<EntryViewState>,
+        event: &EntryViewEvent,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        match &event.view_event {
+            ViewEvent::NewDiff(tool_call_id) => {
+                if AgentSettings::get_global(cx).expand_edit_card {
+                    self.expanded_tool_calls.insert(tool_call_id.clone());
+                }
+            }
+            ViewEvent::NewTerminal(tool_call_id) => {
+                if AgentSettings::get_global(cx).expand_terminal_card {
+                    self.expanded_tool_calls.insert(tool_call_id.clone());
+                }
+            }
+            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
+                if let Some(thread) = self.thread()
+                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
+                        thread.read(cx).entries().get(event.entry_index)
+                    && user_message.id.is_some()
+                {
+                    self.editing_message = Some(event.entry_index);
+                    cx.notify();
+                }
+            }
+            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
+                if let Some(thread) = self.thread()
+                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
+                        thread.read(cx).entries().get(event.entry_index)
+                    && user_message.id.is_some()
+                {
+                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
+                        self.editing_message = None;
+                        cx.notify();
                     }
                 }
+            }
+            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
+                self.regenerate(event.entry_index, editor, window, cx);
+            }
+            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
+                self.cancel_editing(&Default::default(), window, cx);
+            }
+        }
+    }
 
-                if ix < text.len() {
-                    let last_chunk = text[ix..].trim();
-                    if !last_chunk.is_empty() {
-                        chunks.push(last_chunk.into());
-                    }
-                }
-            })
-        });
-
-        if chunks.is_empty() {
+    fn resume_chat(&mut self, cx: &mut Context<Self>) {
+        self.thread_error.take();
+        let Some(thread) = self.thread() else {
+            return;
+        };
+        if !thread.read(cx).can_resume(cx) {
             return;
         }
 
-        let Some(thread) = self.thread() else { return };
-        let task = thread.update(cx, |thread, cx| thread.send(chunks.clone(), cx));
-
+        let task = thread.update(cx, |thread, cx| thread.resume(cx));
         cx.spawn(async move |this, cx| {
             let result = task.await;
 
             this.update(cx, |this, cx| {
                 if let Err(err) = result {
-                    this.last_error =
-                        Some(cx.new(|cx| Markdown::new(err.to_string().into(), None, None, cx)))
+                    this.handle_thread_error(err, cx);
                 }
             })
         })
         .detach();
+    }
 
-        let mention_set = self.mention_set.clone();
+    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let Some(thread) = self.thread() else { return };
 
-        self.set_editor_is_expanded(false, cx);
-        self.message_editor.update(cx, |editor, cx| {
-            editor.clear(window, cx);
-            editor.remove_creases(mention_set.lock().drain(), cx)
+        if self.is_loading_contents {
+            return;
+        }
+
+        self.history_store.update(cx, |history, cx| {
+            history.push_recently_opened_entry(
+                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
+                cx,
+            );
         });
 
-        self.message_history.borrow_mut().push(chunks);
+        if thread.read(cx).status() != ThreadStatus::Idle {
+            self.stop_current_and_send_new_message(window, cx);
+            return;
+        }
+
+        let contents = self
+            .message_editor
+            .update(cx, |message_editor, cx| message_editor.contents(cx));
+        self.send_impl(contents, window, cx)
     }
 
-    fn previous_history_message(
+    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let Some(thread) = self.thread().cloned() else {
+            return;
+        };
+
+        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
+
+        let contents = self
+            .message_editor
+            .update(cx, |message_editor, cx| message_editor.contents(cx));
+
+        cx.spawn_in(window, async move |this, cx| {
+            cancelled.await;
+
+            this.update_in(cx, |this, window, cx| {
+                this.send_impl(contents, window, cx);
+            })
+            .ok();
+        })
+        .detach();
+    }
+
+    fn send_impl(
         &mut self,
-        _: &PreviousHistoryMessage,
+        contents: Task<anyhow::Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.message_set_from_history = Self::set_draft_message(
-            self.message_editor.clone(),
-            self.mention_set.clone(),
-            self.project.clone(),
-            self.message_history.borrow_mut().prev(),
-            window,
-            cx,
-        );
+        let agent_telemetry_id = self.agent.telemetry_id();
+
+        self.thread_error.take();
+        self.editing_message.take();
+        self.thread_feedback.clear();
+
+        let Some(thread) = self.thread().cloned() else {
+            return;
+        };
+        if self.should_be_following {
+            self.workspace
+                .update(cx, |workspace, cx| {
+                    workspace.follow(CollaboratorId::Agent, window, cx);
+                })
+                .ok();
+        }
+
+        self.is_loading_contents = true;
+        let guard = cx.new(|_| ());
+        cx.observe_release(&guard, |this, _guard, cx| {
+            this.is_loading_contents = false;
+            cx.notify();
+        })
+        .detach();
+
+        let task = cx.spawn_in(window, async move |this, cx| {
+            let (contents, tracked_buffers) = contents.await?;
+
+            if contents.is_empty() {
+                return Ok(());
+            }
+
+            this.update_in(cx, |this, window, cx| {
+                this.set_editor_is_expanded(false, cx);
+                this.scroll_to_bottom(cx);
+                this.message_editor.update(cx, |message_editor, cx| {
+                    message_editor.clear(window, cx);
+                });
+            })?;
+            let send = thread.update(cx, |thread, cx| {
+                thread.action_log().update(cx, |action_log, cx| {
+                    for buffer in tracked_buffers {
+                        action_log.buffer_read(buffer, cx)
+                    }
+                });
+                drop(guard);
+
+                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
+
+                thread.send(contents, cx)
+            })?;
+            send.await
+        });
+
+        cx.spawn(async move |this, cx| {
+            if let Err(err) = task.await {
+                this.update(cx, |this, cx| {
+                    this.handle_thread_error(err, cx);
+                })
+                .ok();
+            } else {
+                this.update(cx, |this, cx| {
+                    this.should_be_following = this
+                        .workspace
+                        .update(cx, |workspace, _| {
+                            workspace.is_being_followed(CollaboratorId::Agent)
+                        })
+                        .unwrap_or_default();
+                })
+                .ok();
+            }
+        })
+        .detach();
     }
 
-    fn next_history_message(
+    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
+        let Some(thread) = self.thread().cloned() else {
+            return;
+        };
+
+        if let Some(index) = self.editing_message.take()
+            && let Some(editor) = self
+                .entry_view_state
+                .read(cx)
+                .entry(index)
+                .and_then(|e| e.message_editor())
+                .cloned()
+        {
+            editor.update(cx, |editor, cx| {
+                if let Some(user_message) = thread
+                    .read(cx)
+                    .entries()
+                    .get(index)
+                    .and_then(|e| e.user_message())
+                {
+                    editor.set_message(user_message.chunks.clone(), window, cx);
+                }
+            })
+        };
+        self.focus_handle(cx).focus(window);
+        cx.notify();
+    }
+
+    fn regenerate(
         &mut self,
-        _: &NextHistoryMessage,
+        entry_ix: usize,
+        message_editor: &Entity<MessageEditor>,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.message_set_from_history = Self::set_draft_message(
-            self.message_editor.clone(),
-            self.mention_set.clone(),
-            self.project.clone(),
-            self.message_history.borrow_mut().next(),
-            window,
-            cx,
-        );
+        let Some(thread) = self.thread().cloned() else {
+            return;
+        };
+        if self.is_loading_contents {
+            return;
+        }
+
+        let Some(user_message_id) = thread.update(cx, |thread, _| {
+            thread.entries().get(entry_ix)?.user_message()?.id.clone()
+        }) else {
+            return;
+        };
+
+        let contents = message_editor.update(cx, |message_editor, cx| message_editor.contents(cx));
+
+        let task = cx.spawn(async move |_, cx| {
+            let contents = contents.await?;
+            thread
+                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
+                .await?;
+            Ok(contents)
+        });
+        self.send_impl(task, window, cx);
     }
 
     fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
@@ -462,87 +1051,50 @@ impl AcpThreadView {
         };
 
         diff.update(cx, |diff, cx| {
-            diff.move_to_path(PathKey::for_buffer(&buffer, cx), window, cx)
+            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
         })
     }
 
-    fn set_draft_message(
-        message_editor: Entity<Editor>,
-        mention_set: Arc<Mutex<MentionSet>>,
-        project: Entity<Project>,
-        message: Option<&Vec<acp::ContentBlock>>,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) -> bool {
-        cx.notify();
-
-        let Some(message) = message else {
-            return false;
+    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
+        let Some(thread) = self.as_native_thread(cx) else {
+            return;
         };
+        let project_context = thread.read(cx).project_context().read(cx);
 
-        let mut text = String::new();
-        let mut mentions = Vec::new();
+        let project_entry_ids = project_context
+            .worktrees
+            .iter()
+            .flat_map(|worktree| worktree.rules_file.as_ref())
+            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
+            .collect::<Vec<_>>();
 
-        for chunk in message {
-            match chunk {
-                acp::ContentBlock::Text(text_content) => {
-                    text.push_str(&text_content.text);
+        self.workspace
+            .update(cx, move |workspace, cx| {
+                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
+                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
+                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
+                let project = workspace.project().read(cx);
+                let project_paths = project_entry_ids
+                    .into_iter()
+                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
+                    .collect::<Vec<_>>();
+                for project_path in project_paths {
+                    workspace
+                        .open_path(project_path, None, true, window, cx)
+                        .detach_and_log_err(cx);
                 }
-                acp::ContentBlock::ResourceLink(resource_link) => {
-                    let path = Path::new(&resource_link.uri);
-                    let start = text.len();
-                    let content = MentionPath::new(&path).to_string();
-                    text.push_str(&content);
-                    let end = text.len();
-                    if let Some(project_path) =
-                        project.read(cx).project_path_for_absolute_path(&path, cx)
-                    {
-                        let filename: SharedString = path
-                            .file_name()
-                            .unwrap_or_default()
-                            .to_string_lossy()
-                            .to_string()
-                            .into();
-                        mentions.push((start..end, project_path, filename));
-                    }
-                }
-                acp::ContentBlock::Image(_)
-                | acp::ContentBlock::Audio(_)
-                | acp::ContentBlock::Resource(_) => {}
-            }
-        }
+            })
+            .ok();
+    }
 
-        let snapshot = message_editor.update(cx, |editor, cx| {
-            editor.set_text(text, window, cx);
-            editor.buffer().read(cx).snapshot(cx)
-        });
+    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
+        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
+        cx.notify();
+    }
 
-        for (range, project_path, filename) in mentions {
-            let crease_icon_path = if project_path.path.is_dir() {
-                FileIcons::get_folder_icon(false, cx)
-                    .unwrap_or_else(|| IconName::Folder.path().into())
-            } else {
-                FileIcons::get_icon(Path::new(project_path.path.as_ref()), cx)
-                    .unwrap_or_else(|| IconName::File.path().into())
-            };
-
-            let anchor = snapshot.anchor_before(range.start);
-            let crease_id = crate::context_picker::insert_crease_for_mention(
-                anchor.excerpt_id,
-                anchor.text_anchor,
-                range.end - range.start,
-                filename,
-                crease_icon_path,
-                message_editor.clone(),
-                window,
-                cx,
-            );
-            if let Some(crease_id) = crease_id {
-                mention_set.lock().insert(crease_id, project_path);
-            }
-        }
-
-        true
+    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
+        self.thread_error = None;
+        cx.notify();
     }
 
     fn handle_thread_event(
@@ -552,126 +1104,192 @@ impl AcpThreadView {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        let count = self.list_state.item_count();
         match event {
             AcpThreadEvent::NewEntry => {
-                let index = thread.read(cx).entries().len() - 1;
-                self.sync_thread_entry_view(index, window, cx);
-                self.list_state.splice(count..count, 1);
+                let len = thread.read(cx).entries().len();
+                let index = len - 1;
+                self.entry_view_state.update(cx, |view_state, cx| {
+                    view_state.sync_entry(index, thread, window, cx)
+                });
+                self.list_state.splice(index..index, 1);
             }
             AcpThreadEvent::EntryUpdated(index) => {
-                let index = *index;
-                self.sync_thread_entry_view(index, window, cx);
-                self.list_state.splice(index..index + 1, 1);
+                self.entry_view_state.update(cx, |view_state, cx| {
+                    view_state.sync_entry(*index, thread, window, cx)
+                });
             }
+            AcpThreadEvent::EntriesRemoved(range) => {
+                self.entry_view_state
+                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
+                self.list_state.splice(range.clone(), 0);
+            }
+            AcpThreadEvent::ToolAuthorizationRequired => {
+                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
+            }
+            AcpThreadEvent::Retry(retry) => {
+                self.thread_retry_status = Some(retry.clone());
+            }
+            AcpThreadEvent::Stopped => {
+                self.thread_retry_status.take();
+                let used_tools = thread.read(cx).used_tools_since_last_user_message();
+                self.notify_with_sound(
+                    if used_tools {
+                        "Finished running tools"
+                    } else {
+                        "New message"
+                    },
+                    IconName::ZedAssistant,
+                    window,
+                    cx,
+                );
+            }
+            AcpThreadEvent::Error => {
+                self.thread_retry_status.take();
+                self.notify_with_sound(
+                    "Agent stopped due to an error",
+                    IconName::Warning,
+                    window,
+                    cx,
+                );
+            }
+            AcpThreadEvent::LoadError(error) => {
+                self.thread_retry_status.take();
+                self.thread_state = ThreadState::LoadError(error.clone());
+                if self.message_editor.focus_handle(cx).is_focused(window) {
+                    self.focus_handle.focus(window)
+                }
+            }
+            AcpThreadEvent::TitleUpdated => {
+                let title = thread.read(cx).title();
+                if let Some(title_editor) = self.title_editor() {
+                    title_editor.update(cx, |editor, cx| {
+                        if editor.text(cx) != title {
+                            editor.set_text(title, window, cx);
+                        }
+                    });
+                }
+            }
+            AcpThreadEvent::PromptCapabilitiesUpdated => {
+                self.prompt_capabilities
+                    .set(thread.read(cx).prompt_capabilities());
+            }
+            AcpThreadEvent::TokenUsageUpdated => {}
         }
         cx.notify();
     }
 
-    fn sync_thread_entry_view(
+    fn authenticate(
         &mut self,
-        entry_ix: usize,
+        method: acp::AuthMethodId,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        let Some(multibuffers) = self.entry_diff_multibuffers(entry_ix, cx) else {
+        let ThreadState::Unauthenticated {
+            connection,
+            pending_auth_method,
+            configuration_view,
+            ..
+        } = &mut self.thread_state
+        else {
             return;
         };
 
-        let multibuffers = multibuffers.collect::<Vec<_>>();
-
-        for multibuffer in multibuffers {
-            if self.diff_editors.contains_key(&multibuffer.entity_id()) {
+        if method.0.as_ref() == "gemini-api-key" {
+            let registry = LanguageModelRegistry::global(cx);
+            let provider = registry
+                .read(cx)
+                .provider(&language_model::GOOGLE_PROVIDER_ID)
+                .unwrap();
+            if !provider.is_authenticated(cx) {
+                let this = cx.weak_entity();
+                let agent = self.agent.clone();
+                let connection = connection.clone();
+                window.defer(cx, |window, cx| {
+                    Self::handle_auth_required(
+                        this,
+                        AuthRequired {
+                            description: Some("GEMINI_API_KEY must be set".to_owned()),
+                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
+                        },
+                        agent,
+                        connection,
+                        window,
+                        cx,
+                    );
+                });
                 return;
             }
-
-            let editor = cx.new(|cx| {
-                let mut editor = Editor::new(
-                    EditorMode::Full {
-                        scale_ui_elements_with_buffer_font_size: false,
-                        show_active_line_background: false,
-                        sized_by_content: true,
-                    },
-                    multibuffer.clone(),
-                    None,
-                    window,
-                    cx,
-                );
-                editor.set_show_gutter(false, cx);
-                editor.disable_inline_diagnostics();
-                editor.disable_expand_excerpt_buttons(cx);
-                editor.set_show_vertical_scrollbar(false, cx);
-                editor.set_minimap_visibility(MinimapVisibility::Disabled, window, cx);
-                editor.set_soft_wrap_mode(SoftWrap::None, cx);
-                editor.scroll_manager.set_forbid_vertical_scroll(true);
-                editor.set_show_indent_guides(false, cx);
-                editor.set_read_only(true);
-                editor.set_show_breakpoints(false, cx);
-                editor.set_show_code_actions(false, cx);
-                editor.set_show_git_diff_gutter(false, cx);
-                editor.set_expand_all_diff_hunks(cx);
-                editor.set_text_style_refinement(TextStyleRefinement {
-                    font_size: Some(
-                        TextSize::Small
-                            .rems(cx)
-                            .to_pixels(ThemeSettings::get_global(cx).agent_font_size(cx))
-                            .into(),
-                    ),
-                    ..Default::default()
-                });
-                editor
-            });
-            let entity_id = multibuffer.entity_id();
-            cx.observe_release(&multibuffer, move |this, _, _| {
-                this.diff_editors.remove(&entity_id);
-            })
-            .detach();
-
-            self.diff_editors.insert(entity_id, editor);
-        }
-    }
-
-    fn entry_diff_multibuffers(
-        &self,
-        entry_ix: usize,
-        cx: &App,
-    ) -> Option<impl Iterator<Item = Entity<MultiBuffer>>> {
-        let entry = self.thread()?.read(cx).entries().get(entry_ix)?;
-        Some(entry.diffs().map(|diff| diff.multibuffer.clone()))
-    }
-
-    fn authenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        let ThreadState::Unauthenticated { ref connection } = self.thread_state else {
-            return;
-        };
-
-        self.last_error.take();
-        let authenticate = connection.authenticate(cx);
-        self.auth_task = Some(cx.spawn_in(window, {
-            let project = self.project.clone();
+        } else if method.0.as_ref() == "vertex-ai"
+            && std::env::var("GOOGLE_API_KEY").is_err()
+            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
+                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
+        {
+            let this = cx.weak_entity();
             let agent = self.agent.clone();
-            async move |this, cx| {
-                let result = authenticate.await;
+            let connection = connection.clone();
 
-                this.update_in(cx, |this, window, cx| {
-                    if let Err(err) = result {
-                        this.last_error = Some(cx.new(|cx| {
-                            Markdown::new(format!("Error: {err}").into(), None, None, cx)
-                        }))
-                    } else {
-                        this.thread_state = Self::initial_state(
-                            agent,
-                            this.workspace.clone(),
-                            project.clone(),
-                            window,
-                            cx,
-                        )
+            window.defer(cx, |window, cx| {
+                    Self::handle_auth_required(
+                        this,
+                        AuthRequired {
+                            description: Some(
+                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
+                                    .to_owned(),
+                            ),
+                            provider_id: None,
+                        },
+                        agent,
+                        connection,
+                        window,
+                        cx,
+                    )
+                });
+            return;
+        }
+
+        self.thread_error.take();
+        configuration_view.take();
+        pending_auth_method.replace(method.clone());
+        let authenticate = connection.authenticate(method, cx);
+        cx.notify();
+        self.auth_task =
+            Some(cx.spawn_in(window, {
+                let project = self.project.clone();
+                let agent = self.agent.clone();
+                async move |this, cx| {
+                    let result = authenticate.await;
+
+                    match &result {
+                        Ok(_) => telemetry::event!(
+                            "Authenticate Agent Succeeded",
+                            agent = agent.telemetry_id()
+                        ),
+                        Err(_) => {
+                            telemetry::event!(
+                                "Authenticate Agent Failed",
+                                agent = agent.telemetry_id(),
+                            )
+                        }
                     }
-                    this.auth_task.take()
-                })
-                .ok();
-            }
-        }));
+
+                    this.update_in(cx, |this, window, cx| {
+                        if let Err(err) = result {
+                            this.handle_thread_error(err, cx);
+                        } else {
+                            this.thread_state = Self::initial_state(
+                                agent,
+                                None,
+                                this.workspace.clone(),
+                                project.clone(),
+                                window,
+                                cx,
+                            )
+                        }
+                        this.auth_task.take()
+                    })
+                    .ok();
+                }
+            }));
     }
 
     fn authorize_tool_call(
@@ -679,6 +1297,7 @@ impl AcpThreadView {
         tool_call_id: acp::ToolCallId,
         option_id: acp::PermissionOptionId,
         option_kind: acp::PermissionOptionKind,
+        window: &mut Window,
         cx: &mut Context<Self>,
     ) {
         let Some(thread) = self.thread() else {
@@ -687,41 +1306,194 @@ impl AcpThreadView {
         thread.update(cx, |thread, cx| {
             thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
         });
+        if self.should_be_following {
+            self.workspace
+                .update(cx, |workspace, cx| {
+                    workspace.follow(CollaboratorId::Agent, window, cx);
+                })
+                .ok();
+        }
+        cx.notify();
+    }
+
+    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
+        let Some(thread) = self.thread() else {
+            return;
+        };
+        thread
+            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
+            .detach_and_log_err(cx);
         cx.notify();
     }
 
     fn render_entry(
         &self,
-        index: usize,
+        entry_ix: usize,
         total_entries: usize,
         entry: &AgentThreadEntry,
         window: &mut Window,
         cx: &Context<Self>,
     ) -> AnyElement {
-        match &entry {
-            AgentThreadEntry::UserMessage(message) => div()
-                .py_4()
-                .px_2()
-                .child(
-                    v_flex()
-                        .p_3()
-                        .gap_1p5()
-                        .rounded_lg()
-                        .shadow_md()
-                        .bg(cx.theme().colors().editor_background)
-                        .border_1()
-                        .border_color(cx.theme().colors().border)
-                        .text_xs()
-                        .children(message.content.markdown().map(|md| {
-                            self.render_markdown(
-                                md.clone(),
-                                user_message_markdown_style(window, cx),
+        let primary = match &entry {
+            AgentThreadEntry::UserMessage(message) => {
+                let Some(editor) = self
+                    .entry_view_state
+                    .read(cx)
+                    .entry(entry_ix)
+                    .and_then(|entry| entry.message_editor())
+                    .cloned()
+                else {
+                    return Empty.into_any_element();
+                };
+
+                let editing = self.editing_message == Some(entry_ix);
+                let editor_focus = editor.focus_handle(cx).is_focused(window);
+                let focus_border = cx.theme().colors().border_focused;
+
+                let rules_item = if entry_ix == 0 {
+                    self.render_rules_item(cx)
+                } else {
+                    None
+                };
+
+                let has_checkpoint_button = message
+                    .checkpoint
+                    .as_ref()
+                    .is_some_and(|checkpoint| checkpoint.show);
+
+                let agent_name = self.agent.name();
+
+                v_flex()
+                    .id(("user_message", entry_ix))
+                    .map(|this| {
+                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
+                            this.pt_4()
+                        } else if rules_item.is_some() {
+                            this.pt_3()
+                        } else {
+                            this.pt_2()
+                        }
+                    })
+                    .pb_4()
+                    .px_2()
+                    .gap_1p5()
+                    .w_full()
+                    .children(rules_item)
+                    .children(message.id.clone().and_then(|message_id| {
+                        message.checkpoint.as_ref()?.show.then(|| {
+                            h_flex()
+                                .px_3()
+                                .gap_2()
+                                .child(Divider::horizontal())
+                                .child(
+                                    Button::new("restore-checkpoint", "Restore Checkpoint")
+                                        .icon(IconName::Undo)
+                                        .icon_size(IconSize::XSmall)
+                                        .icon_position(IconPosition::Start)
+                                        .label_size(LabelSize::XSmall)
+                                        .icon_color(Color::Muted)
+                                        .color(Color::Muted)
+                                        .on_click(cx.listener(move |this, _, _window, cx| {
+                                            this.rewind(&message_id, cx);
+                                        }))
+                                )
+                                .child(Divider::horizontal())
+                        })
+                    }))
+                    .child(
+                        div()
+                            .relative()
+                            .child(
+                                div()
+                                    .py_3()
+                                    .px_2()
+                                    .rounded_md()
+                                    .shadow_md()
+                                    .bg(cx.theme().colors().editor_background)
+                                    .border_1()
+                                    .when(editing && !editor_focus, |this| this.border_dashed())
+                                    .border_color(cx.theme().colors().border)
+                                    .map(|this|{
+                                        if editing && editor_focus {
+                                            this.border_color(focus_border)
+                                        } else if message.id.is_some() {
+                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
+                                        } else {
+                                            this
+                                        }
+                                    })
+                                    .text_xs()
+                                    .child(editor.clone().into_any_element()),
                             )
-                        })),
-                )
-                .into_any(),
+                            .when(editor_focus, |this| {
+                                let base_container = h_flex()
+                                    .absolute()
+                                    .top_neg_3p5()
+                                    .right_3()
+                                    .gap_1()
+                                    .rounded_sm()
+                                    .border_1()
+                                    .border_color(cx.theme().colors().border)
+                                    .bg(cx.theme().colors().editor_background)
+                                    .overflow_hidden();
+
+                                if message.id.is_some() {
+                                    this.child(
+                                        base_container
+                                            .child(
+                                                IconButton::new("cancel", IconName::Close)
+                                                    .disabled(self.is_loading_contents)
+                                                    .icon_color(Color::Error)
+                                                    .icon_size(IconSize::XSmall)
+                                                    .on_click(cx.listener(Self::cancel_editing))
+                                            )
+                                            .child(
+                                                if self.is_loading_contents {
+                                                    div()
+                                                        .id("loading-edited-message-content")
+                                                        .tooltip(Tooltip::text("Loading Added Context…"))
+                                                        .child(loading_contents_spinner(IconSize::XSmall))
+                                                        .into_any_element()
+                                                } else {
+                                                    IconButton::new("regenerate", IconName::Return)
+                                                        .icon_color(Color::Muted)
+                                                        .icon_size(IconSize::XSmall)
+                                                        .tooltip(Tooltip::text(
+                                                            "Editing will restart the thread from this point."
+                                                        ))
+                                                        .on_click(cx.listener({
+                                                            let editor = editor.clone();
+                                                            move |this, _, window, cx| {
+                                                                this.regenerate(
+                                                                    entry_ix, &editor, window, cx,
+                                                                );
+                                                            }
+                                                        })).into_any_element()
+                                                }
+                                            )
+                                    )
+                                } else {
+                                    this.child(
+                                        base_container
+                                            .border_dashed()
+                                            .child(
+                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
+                                                    .icon_size(IconSize::Small)
+                                                    .icon_color(Color::Muted)
+                                                    .style(ButtonStyle::Transparent)
+                                                    .tooltip(move |_window, cx| {
+                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
+                                                            .into()
+                                                    })
+                                            )
+                                    )
+                                }
+                            }),
+                    )
+                    .into_any()
+            }
             AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
-                let style = default_markdown_style(false, window, cx);
+                let style = default_markdown_style(false, false, window, cx);
                 let message_body = v_flex()
                     .w_full()
                     .gap_2p5()
@@ -736,7 +1508,7 @@ impl AcpThreadView {
                             AssistantMessageChunk::Thought { block } => {
                                 block.markdown().map(|md| {
                                     self.render_thinking_block(
-                                        index,
+                                        entry_ix,
                                         chunk_ix,
                                         md.clone(),
                                         window,
@@ -752,17 +1524,68 @@ impl AcpThreadView {
                 v_flex()
                     .px_5()
                     .py_1()
-                    .when(index + 1 == total_entries, |this| this.pb_4())
+                    .when(entry_ix + 1 == total_entries, |this| this.pb_4())
                     .w_full()
                     .text_ui(cx)
                     .child(message_body)
                     .into_any()
             }
-            AgentThreadEntry::ToolCall(tool_call) => div()
-                .py_1p5()
-                .px_5()
-                .child(self.render_tool_call(index, tool_call, window, cx))
-                .into_any(),
+            AgentThreadEntry::ToolCall(tool_call) => {
+                let has_terminals = tool_call.terminals().next().is_some();
+
+                div().w_full().py_1().px_5().map(|this| {
+                    if has_terminals {
+                        this.children(tool_call.terminals().map(|terminal| {
+                            self.render_terminal_tool_call(
+                                entry_ix, terminal, tool_call, window, cx,
+                            )
+                        }))
+                    } else {
+                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
+                    }
+                })
+            }
+            .into_any(),
+        };
+
+        let Some(thread) = self.thread() else {
+            return primary;
+        };
+
+        let primary = if entry_ix == total_entries - 1 {
+            v_flex()
+                .w_full()
+                .child(primary)
+                .child(self.render_thread_controls(&thread, cx))
+                .when_some(
+                    self.thread_feedback.comments_editor.clone(),
+                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
+                )
+                .into_any_element()
+        } else {
+            primary
+        };
+
+        if let Some(editing_index) = self.editing_message.as_ref()
+            && *editing_index < entry_ix
+        {
+            let backdrop = div()
+                .id(("backdrop", entry_ix))
+                .size_full()
+                .absolute()
+                .inset_0()
+                .bg(cx.theme().colors().panel_background)
+                .opacity(0.8)
+                .block_mouse_except_scroll()
+                .on_click(cx.listener(Self::cancel_editing));
+
+            div()
+                .relative()
+                .child(primary)
+                .child(backdrop)
+                .into_any_element()
+        } else {
+            primary
         }
     }
 
@@ -774,7 +1597,7 @@ impl AcpThreadView {
     }
 
     fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
-        cx.theme().colors().border.opacity(0.6)
+        cx.theme().colors().border.opacity(0.8)
     }
 
     fn tool_name_font_size(&self) -> Rems {
@@ -790,6 +1613,7 @@ impl AcpThreadView {
         cx: &Context<Self>,
     ) -> AnyElement {
         let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
+        let card_header_id = SharedString::from("inner-card-header");
         let key = (entry_ix, chunk_ix);
         let is_open = self.expanded_thinking_blocks.contains(&key);
 
@@ -797,41 +1621,52 @@ impl AcpThreadView {
             .child(
                 h_flex()
                     .id(header_id)
-                    .group("disclosure-header")
+                    .group(&card_header_id)
+                    .relative()
                     .w_full()
-                    .justify_between()
-                    .opacity(0.8)
-                    .hover(|style| style.opacity(1.))
+                    .gap_1p5()
                     .child(
                         h_flex()
-                            .gap_1p5()
-                            .child(
-                                Icon::new(IconName::ToolBulb)
-                                    .size(IconSize::Small)
-                                    .color(Color::Muted),
-                            )
+                            .size_4()
+                            .justify_center()
                             .child(
                                 div()
-                                    .text_size(self.tool_name_font_size())
-                                    .child("Thinking"),
+                                    .group_hover(&card_header_id, |s| s.invisible().w_0())
+                                    .child(
+                                        Icon::new(IconName::ToolThink)
+                                            .size(IconSize::Small)
+                                            .color(Color::Muted),
+                                    ),
+                            )
+                            .child(
+                                h_flex()
+                                    .absolute()
+                                    .inset_0()
+                                    .invisible()
+                                    .justify_center()
+                                    .group_hover(&card_header_id, |s| s.visible())
+                                    .child(
+                                        Disclosure::new(("expand", entry_ix), is_open)
+                                            .opened_icon(IconName::ChevronUp)
+                                            .closed_icon(IconName::ChevronRight)
+                                            .on_click(cx.listener({
+                                                move |this, _event, _window, cx| {
+                                                    if is_open {
+                                                        this.expanded_thinking_blocks.remove(&key);
+                                                    } else {
+                                                        this.expanded_thinking_blocks.insert(key);
+                                                    }
+                                                    cx.notify();
+                                                }
+                                            })),
+                                    ),
                             ),
                     )
                     .child(
-                        div().visible_on_hover("disclosure-header").child(
-                            Disclosure::new("thinking-disclosure", is_open)
-                                .opened_icon(IconName::ChevronUp)
-                                .closed_icon(IconName::ChevronDown)
-                                .on_click(cx.listener({
-                                    move |this, _event, _window, cx| {
-                                        if is_open {
-                                            this.expanded_thinking_blocks.remove(&key);
-                                        } else {
-                                            this.expanded_thinking_blocks.insert(key);
-                                        }
-                                        cx.notify();
-                                    }
-                                })),
-                        ),
+                        div()
+                            .text_size(self.tool_name_font_size())
+                            .text_color(cx.theme().colors().text_muted)
+                            .child("Thinking"),
                     )
                     .on_click(cx.listener({
                         move |this, _event, _window, cx| {
@@ -849,14 +1684,15 @@ impl AcpThreadView {
                     div()
                         .relative()
                         .mt_1p5()
-                        .ml(px(7.))
+                        .ml(rems(0.4))
                         .pl_4()
                         .border_l_1()
                         .border_color(self.tool_card_border_color(cx))
                         .text_ui_sm(cx)
-                        .child(
-                            self.render_markdown(chunk, default_markdown_style(false, window, cx)),
-                        ),
+                        .child(self.render_markdown(
+                            chunk,
+                            default_markdown_style(false, false, window, cx),
+                        )),
                 )
             })
             .into_any_element()
@@ -869,58 +1705,121 @@ impl AcpThreadView {
         window: &Window,
         cx: &Context<Self>,
     ) -> Div {
-        let header_id = SharedString::from(format!("tool-call-header-{}", entry_ix));
+        let header_id = SharedString::from(format!("outer-tool-call-header-{}", entry_ix));
+        let card_header_id = SharedString::from("inner-tool-call-header");
 
-        let status_icon = match &tool_call.status {
-            ToolCallStatus::Allowed {
-                status: acp::ToolCallStatus::Pending,
+        let tool_icon =
+            if tool_call.kind == acp::ToolKind::Edit && tool_call.locations.len() == 1 {
+                FileIcons::get_icon(&tool_call.locations[0].path, cx)
+                    .map(Icon::from_path)
+                    .unwrap_or(Icon::new(IconName::ToolPencil))
+            } else {
+                Icon::new(match tool_call.kind {
+                    acp::ToolKind::Read => IconName::ToolSearch,
+                    acp::ToolKind::Edit => IconName::ToolPencil,
+                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
+                    acp::ToolKind::Move => IconName::ArrowRightLeft,
+                    acp::ToolKind::Search => IconName::ToolSearch,
+                    acp::ToolKind::Execute => IconName::ToolTerminal,
+                    acp::ToolKind::Think => IconName::ToolThink,
+                    acp::ToolKind::Fetch => IconName::ToolWeb,
+                    acp::ToolKind::Other => IconName::ToolHammer,
+                })
             }
-            | ToolCallStatus::WaitingForConfirmation { .. } => None,
-            ToolCallStatus::Allowed {
-                status: acp::ToolCallStatus::InProgress,
-                ..
-            } => Some(
-                Icon::new(IconName::ArrowCircle)
-                    .color(Color::Accent)
-                    .size(IconSize::Small)
-                    .with_animation(
-                        "running",
-                        Animation::new(Duration::from_secs(2)).repeat(),
-                        |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
-                    )
-                    .into_any(),
-            ),
-            ToolCallStatus::Allowed {
-                status: acp::ToolCallStatus::Completed,
-                ..
-            } => None,
-            ToolCallStatus::Rejected
-            | ToolCallStatus::Canceled
-            | ToolCallStatus::Allowed {
-                status: acp::ToolCallStatus::Failed,
-                ..
-            } => Some(
-                Icon::new(IconName::X)
-                    .color(Color::Error)
-                    .size(IconSize::Small)
-                    .into_any_element(),
-            ),
+            .size(IconSize::Small)
+            .color(Color::Muted);
+
+        let failed_or_canceled = match &tool_call.status {
+            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
+            _ => false,
         };
 
-        let needs_confirmation = match &tool_call.status {
-            ToolCallStatus::WaitingForConfirmation { .. } => true,
-            _ => tool_call
-                .content
-                .iter()
-                .any(|content| matches!(content, ToolCallContent::Diff { .. })),
-        };
+        let failed_tool_call = matches!(
+            tool_call.status,
+            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
+        );
+
+        let needs_confirmation = matches!(
+            tool_call.status,
+            ToolCallStatus::WaitingForConfirmation { .. }
+        );
+        let is_edit =
+            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
+        let use_card_layout = needs_confirmation || is_edit;
 
         let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
-        let is_open = !is_collapsible || self.expanded_tool_calls.contains(&tool_call.id);
+
+        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
+
+        let gradient_overlay = |color: Hsla| {
+            div()
+                .absolute()
+                .top_0()
+                .right_0()
+                .w_12()
+                .h_full()
+                .bg(linear_gradient(
+                    90.,
+                    linear_color_stop(color, 1.),
+                    linear_color_stop(color.opacity(0.2), 0.),
+                ))
+        };
+        let gradient_color = if use_card_layout {
+            self.tool_card_header_bg(cx)
+        } else {
+            cx.theme().colors().panel_background
+        };
+
+        let tool_output_display = if is_open {
+            match &tool_call.status {
+                ToolCallStatus::WaitingForConfirmation { options, .. } => {
+                    v_flex()
+                        .w_full()
+                        .children(tool_call.content.iter().map(|content| {
+                            div()
+                                .child(self.render_tool_call_content(
+                                    entry_ix, content, tool_call, window, cx,
+                                ))
+                                .into_any_element()
+                        }))
+                        .child(self.render_permission_buttons(
+                            options,
+                            entry_ix,
+                            tool_call.id.clone(),
+                            tool_call.content.is_empty(),
+                            cx,
+                        ))
+                        .into_any()
+                }
+                ToolCallStatus::Pending | ToolCallStatus::InProgress
+                    if is_edit
+                        && tool_call.content.is_empty()
+                        && self.as_native_connection(cx).is_some() =>
+                {
+                    self.render_diff_loading(cx).into_any()
+                }
+                ToolCallStatus::Pending
+                | ToolCallStatus::InProgress
+                | ToolCallStatus::Completed
+                | ToolCallStatus::Failed
+                | ToolCallStatus::Canceled => v_flex()
+                    .w_full()
+                    .children(tool_call.content.iter().map(|content| {
+                        div().child(
+                            self.render_tool_call_content(entry_ix, content, tool_call, window, cx),
+                        )
+                    }))
+                    .into_any(),
+                ToolCallStatus::Rejected => Empty.into_any(),
+            }
+            .into()
+        } else {
+            None
+        };
 
         v_flex()
-            .when(needs_confirmation, |this| {
-                this.rounded_lg()
+            .when(use_card_layout, |this| {
+                this.rounded_md()
                     .border_1()
                     .border_color(self.tool_card_border_color(cx))
                     .bg(cx.theme().colors().editor_background)
@@ -929,48 +1828,30 @@ impl AcpThreadView {
             .child(
                 h_flex()
                     .id(header_id)
+                    .group(&card_header_id)
+                    .relative()
                     .w_full()
+                    .max_w_full()
                     .gap_1()
-                    .justify_between()
-                    .map(|this| {
-                        if needs_confirmation {
-                            this.px_2()
-                                .py_1()
-                                .rounded_t_md()
-                                .bg(self.tool_card_header_bg(cx))
-                                .border_b_1()
-                                .border_color(self.tool_card_border_color(cx))
-                        } else {
-                            this.opacity(0.8).hover(|style| style.opacity(1.))
-                        }
+                    .when(use_card_layout, |this| {
+                        this.pl_1p5()
+                            .pr_1()
+                            .py_0p5()
+                            .rounded_t_md()
+                            .when(is_open && !failed_tool_call, |this| {
+                                this.border_b_1()
+                                    .border_color(self.tool_card_border_color(cx))
+                            })
+                            .bg(self.tool_card_header_bg(cx))
                     })
                     .child(
                         h_flex()
-                            .id("tool-call-header")
-                            .overflow_x_scroll()
-                            .map(|this| {
-                                if needs_confirmation {
-                                    this.text_xs()
-                                } else {
-                                    this.text_size(self.tool_name_font_size())
-                                }
-                            })
-                            .gap_1p5()
-                            .child(
-                                Icon::new(match tool_call.kind {
-                                    acp::ToolKind::Read => IconName::ToolRead,
-                                    acp::ToolKind::Edit => IconName::ToolPencil,
-                                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
-                                    acp::ToolKind::Move => IconName::ArrowRightLeft,
-                                    acp::ToolKind::Search => IconName::ToolSearch,
-                                    acp::ToolKind::Execute => IconName::ToolTerminal,
-                                    acp::ToolKind::Think => IconName::ToolBulb,
-                                    acp::ToolKind::Fetch => IconName::ToolWeb,
-                                    acp::ToolKind::Other => IconName::ToolHammer,
-                                })
-                                .size(IconSize::Small)
-                                .color(Color::Muted),
-                            )
+                            .relative()
+                            .w_full()
+                            .h(window.line_height() - px(2.))
+                            .text_size(self.tool_name_font_size())
+                            .gap_0p5()
+                            .child(tool_icon)
                             .child(if tool_call.locations.len() == 1 {
                                 let name = tool_call.locations[0]
                                     .path
@@ -981,42 +1862,52 @@ impl AcpThreadView {
 
                                 h_flex()
                                     .id(("open-tool-call-location", entry_ix))
-                                    .child(name)
                                     .w_full()
                                     .max_w_full()
-                                    .pr_1()
-                                    .gap_0p5()
-                                    .cursor_pointer()
+                                    .px_1p5()
                                     .rounded_sm()
-                                    .opacity(0.8)
+                                    .overflow_x_scroll()
                                     .hover(|label| {
-                                        label.opacity(1.).bg(cx
-                                            .theme()
-                                            .colors()
-                                            .element_hover
-                                            .opacity(0.5))
+                                        label.bg(cx.theme().colors().element_hover.opacity(0.5))
                                     })
+                                    .map(|this| {
+                                        if use_card_layout {
+                                            this.text_color(cx.theme().colors().text)
+                                        } else {
+                                            this.text_color(cx.theme().colors().text_muted)
+                                        }
+                                    })
+                                    .child(name)
                                     .tooltip(Tooltip::text("Jump to File"))
+                                    .cursor(gpui::CursorStyle::PointingHand)
                                     .on_click(cx.listener(move |this, _, window, cx| {
                                         this.open_tool_call_location(entry_ix, 0, window, cx);
                                     }))
                                     .into_any_element()
                             } else {
-                                self.render_markdown(
-                                    tool_call.label.clone(),
-                                    default_markdown_style(needs_confirmation, window, cx),
-                                )
-                                .into_any()
+                                h_flex()
+                                    .relative()
+                                    .w_full()
+                                    .max_w_full()
+                                    .ml_1p5()
+                                    .overflow_hidden()
+                                    .child(h_flex().pr_8().child(self.render_markdown(
+                                        tool_call.label.clone(),
+                                        default_markdown_style(false, true, window, cx),
+                                    )))
+                                    .child(gradient_overlay(gradient_color))
+                                    .into_any()
                             }),
                     )
                     .child(
                         h_flex()
-                            .gap_0p5()
+                            .gap_px()
                             .when(is_collapsible, |this| {
                                 this.child(
                                     Disclosure::new(("expand", entry_ix), is_open)
                                         .opened_icon(IconName::ChevronUp)
                                         .closed_icon(IconName::ChevronDown)
+                                        .visible_on_hover(&card_header_id)
                                         .on_click(cx.listener({
                                             let id = tool_call.id.clone();
                                             move |this: &mut Self, _, _, cx: &mut Context<Self>| {
@@ -1030,103 +1921,136 @@ impl AcpThreadView {
                                         })),
                                 )
                             })
-                            .children(status_icon),
-                    )
-                    .on_click(cx.listener({
-                        let id = tool_call.id.clone();
-                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
-                            if is_open {
-                                this.expanded_tool_calls.remove(&id);
-                            } else {
-                                this.expanded_tool_calls.insert(id.clone());
-                            }
-                            cx.notify();
-                        }
-                    })),
+                            .when(failed_or_canceled, |this| {
+                                this.child(
+                                    Icon::new(IconName::Close)
+                                        .color(Color::Error)
+                                        .size(IconSize::Small),
+                                )
+                            }),
+                    ),
             )
-            .when(is_open, |this| {
-                this.child(
-                    v_flex()
-                        .text_xs()
-                        .when(is_collapsible, |this| {
-                            this.mt_1()
-                                .border_1()
-                                .border_color(self.tool_card_border_color(cx))
-                                .bg(cx.theme().colors().editor_background)
-                                .rounded_lg()
-                        })
-                        .map(|this| {
-                            if is_open {
-                                match &tool_call.status {
-                                    ToolCallStatus::WaitingForConfirmation { options, .. } => this
-                                        .children(tool_call.content.iter().map(|content| {
-                                            div()
-                                                .py_1p5()
-                                                .child(
-                                                    self.render_tool_call_content(
-                                                        content, window, cx,
-                                                    ),
-                                                )
-                                                .into_any_element()
-                                        }))
-                                        .child(self.render_permission_buttons(
-                                            options,
-                                            entry_ix,
-                                            tool_call.id.clone(),
-                                            tool_call.content.is_empty(),
-                                            cx,
-                                        )),
-                                    ToolCallStatus::Allowed { .. } | ToolCallStatus::Canceled => {
-                                        this.children(tool_call.content.iter().map(|content| {
-                                            div()
-                                                .py_1p5()
-                                                .child(
-                                                    self.render_tool_call_content(
-                                                        content, window, cx,
-                                                    ),
-                                                )
-                                                .into_any_element()
-                                        }))
-                                    }
-                                    ToolCallStatus::Rejected => this,
-                                }
-                            } else {
-                                this
-                            }
-                        }),
-                )
-            })
+            .children(tool_output_display)
     }
 
     fn render_tool_call_content(
         &self,
+        entry_ix: usize,
         content: &ToolCallContent,
+        tool_call: &ToolCall,
         window: &Window,
         cx: &Context<Self>,
     ) -> AnyElement {
         match content {
-            ToolCallContent::ContentBlock { content } => {
-                if let Some(md) = content.markdown() {
-                    div()
-                        .p_2()
-                        .child(
-                            self.render_markdown(
-                                md.clone(),
-                                default_markdown_style(false, window, cx),
-                            ),
-                        )
-                        .into_any_element()
+            ToolCallContent::ContentBlock(content) => {
+                if let Some(resource_link) = content.resource_link() {
+                    self.render_resource_link(resource_link, cx)
+                } else if let Some(markdown) = content.markdown() {
+                    self.render_markdown_output(markdown.clone(), tool_call.id.clone(), window, cx)
                 } else {
                     Empty.into_any_element()
                 }
             }
-            ToolCallContent::Diff {
-                diff: Diff { multibuffer, .. },
-                ..
-            } => self.render_diff_editor(multibuffer),
+            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
+            ToolCallContent::Terminal(terminal) => {
+                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
+            }
         }
     }
 
+    fn render_markdown_output(
+        &self,
+        markdown: Entity<Markdown>,
+        tool_call_id: acp::ToolCallId,
+        window: &Window,
+        cx: &Context<Self>,
+    ) -> AnyElement {
+        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
+
+        v_flex()
+            .mt_1p5()
+            .ml(rems(0.4))
+            .px_3p5()
+            .gap_2()
+            .border_l_1()
+            .border_color(self.tool_card_border_color(cx))
+            .text_sm()
+            .text_color(cx.theme().colors().text_muted)
+            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
+            .child(
+                IconButton::new(button_id, IconName::ChevronUp)
+                    .full_width()
+                    .style(ButtonStyle::Outlined)
+                    .icon_color(Color::Muted)
+                    .on_click(cx.listener({
+                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
+                            this.expanded_tool_calls.remove(&tool_call_id);
+                            cx.notify();
+                        }
+                    })),
+            )
+            .into_any_element()
+    }
+
+    fn render_resource_link(
+        &self,
+        resource_link: &acp::ResourceLink,
+        cx: &Context<Self>,
+    ) -> AnyElement {
+        let uri: SharedString = resource_link.uri.clone().into();
+        let is_file = resource_link.uri.strip_prefix("file://");
+
+        let label: SharedString = if let Some(abs_path) = is_file {
+            if let Some(project_path) = self
+                .project
+                .read(cx)
+                .project_path_for_absolute_path(&Path::new(abs_path), cx)
+                && let Some(worktree) = self
+                    .project
+                    .read(cx)
+                    .worktree_for_id(project_path.worktree_id, cx)
+            {
+                worktree
+                    .read(cx)
+                    .full_path(&project_path.path)
+                    .to_string_lossy()
+                    .to_string()
+                    .into()
+            } else {
+                abs_path.to_string().into()
+            }
+        } else {
+            uri.clone()
+        };
+
+        let button_id = SharedString::from(format!("item-{}", uri));
+
+        div()
+            .ml(rems(0.4))
+            .pl_2p5()
+            .border_l_1()
+            .border_color(self.tool_card_border_color(cx))
+            .overflow_hidden()
+            .child(
+                Button::new(button_id, label)
+                    .label_size(LabelSize::Small)
+                    .color(Color::Muted)
+                    .truncate(true)
+                    .when(is_file.is_none(), |this| {
+                        this.icon(IconName::ArrowUpRight)
+                            .icon_size(IconSize::XSmall)
+                            .icon_color(Color::Muted)
+                    })
+                    .on_click(cx.listener({
+                        let workspace = self.workspace.clone();
+                        move |_, _, window, cx: &mut Context<Self>| {
+                            Self::open_link(uri.clone(), &workspace, window, cx);
+                        }
+                    })),
+            )
+            .into_any_element()
+    }
+
     fn render_permission_buttons(
         &self,
         options: &[acp::PermissionOption],
@@ -1136,17 +2060,24 @@ impl AcpThreadView {
         cx: &Context<Self>,
     ) -> Div {
         h_flex()
-            .py_1p5()
-            .px_1p5()
+            .py_1()
+            .pl_2()
+            .pr_1()
             .gap_1()
-            .justify_end()
+            .justify_between()
+            .flex_wrap()
             .when(!empty_content, |this| {
                 this.border_t_1()
                     .border_color(self.tool_card_border_color(cx))
             })
-            .children(options.iter().map(|option| {
+            .child(
+                div()
+                    .min_w(rems_from_px(145.))
+                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
+            )
+            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
                 let option_id = SharedString::from(option.id.0.clone());
-                Button::new((option_id, entry_ix), option.label.clone())
+                Button::new((option_id, entry_ix), option.name.clone())
                     .map(|this| match option.kind {
                         acp::PermissionOptionKind::AllowOnce => {
                             this.icon(IconName::Check).icon_color(Color::Success)
@@ -1155,36 +2086,95 @@ impl AcpThreadView {
                             this.icon(IconName::CheckDouble).icon_color(Color::Success)
                         }
                         acp::PermissionOptionKind::RejectOnce => {
-                            this.icon(IconName::X).icon_color(Color::Error)
+                            this.icon(IconName::Close).icon_color(Color::Error)
                         }
                         acp::PermissionOptionKind::RejectAlways => {
-                            this.icon(IconName::X).icon_color(Color::Error)
+                            this.icon(IconName::Close).icon_color(Color::Error)
                         }
                     })
                     .icon_position(IconPosition::Start)
                     .icon_size(IconSize::XSmall)
+                    .label_size(LabelSize::Small)
                     .on_click(cx.listener({
                         let tool_call_id = tool_call_id.clone();
                         let option_id = option.id.clone();
                         let option_kind = option.kind;
-                        move |this, _, _, cx| {
+                        move |this, _, window, cx| {
                             this.authorize_tool_call(
                                 tool_call_id.clone(),
                                 option_id.clone(),
                                 option_kind,
+                                window,
                                 cx,
                             );
                         }
                     }))
-            }))
+            })))
     }
 
-    fn render_diff_editor(&self, multibuffer: &Entity<MultiBuffer>) -> AnyElement {
+    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
+        let bar = |n: u64, width_class: &str| {
+            let bg_color = cx.theme().colors().element_active;
+            let base = h_flex().h_1().rounded_full();
+
+            let modified = match width_class {
+                "w_4_5" => base.w_3_4(),
+                "w_1_4" => base.w_1_4(),
+                "w_2_4" => base.w_2_4(),
+                "w_3_5" => base.w_3_5(),
+                "w_2_5" => base.w_2_5(),
+                _ => base.w_1_2(),
+            };
+
+            modified.with_animation(
+                ElementId::Integer(n),
+                Animation::new(Duration::from_secs(2)).repeat(),
+                move |tab, delta| {
+                    let delta = (delta - 0.15 * n as f32) / 0.7;
+                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
+                    let delta = ease_in_out(delta.clamp(0., 1.));
+                    let delta = 0.1 + 0.9 * delta;
+
+                    tab.bg(bg_color.opacity(delta))
+                },
+            )
+        };
+
+        v_flex()
+            .p_3()
+            .gap_1()
+            .rounded_b_md()
+            .bg(cx.theme().colors().editor_background)
+            .child(bar(0, "w_4_5"))
+            .child(bar(1, "w_1_4"))
+            .child(bar(2, "w_2_4"))
+            .child(bar(3, "w_3_5"))
+            .child(bar(4, "w_2_5"))
+            .into_any_element()
+    }
+
+    fn render_diff_editor(
+        &self,
+        entry_ix: usize,
+        diff: &Entity<acp_thread::Diff>,
+        tool_call: &ToolCall,
+        cx: &Context<Self>,
+    ) -> AnyElement {
+        let tool_progress = matches!(
+            &tool_call.status,
+            ToolCallStatus::InProgress | ToolCallStatus::Pending
+        );
+
         v_flex()
             .h_full()
             .child(
-                if let Some(editor) = self.diff_editors.get(&multibuffer.entity_id()) {
-                    editor.clone().into_any_element()
+                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
+                    && let Some(editor) = entry.editor_for_diff(diff)
+                    && diff.read(cx).has_revealed_range(cx)
+                {
+                    editor.into_any_element()
+                } else if tool_progress && self.as_native_connection(cx).is_some() {
+                    self.render_diff_loading(cx)
                 } else {
                     Empty.into_any()
                 },
@@ -1192,160 +2182,724 @@ impl AcpThreadView {
             .into_any()
     }
 
-    fn render_agent_logo(&self) -> AnyElement {
-        Icon::new(self.agent.logo())
-            .color(Color::Muted)
-            .size(IconSize::XLarge)
-            .into_any_element()
-    }
+    fn render_terminal_tool_call(
+        &self,
+        entry_ix: usize,
+        terminal: &Entity<acp_thread::Terminal>,
+        tool_call: &ToolCall,
+        window: &Window,
+        cx: &Context<Self>,
+    ) -> AnyElement {
+        let terminal_data = terminal.read(cx);
+        let working_dir = terminal_data.working_dir();
+        let command = terminal_data.command();
+        let started_at = terminal_data.started_at();
 
-    fn render_error_agent_logo(&self) -> AnyElement {
-        let logo = Icon::new(self.agent.logo())
-            .color(Color::Muted)
-            .size(IconSize::XLarge)
-            .into_any_element();
+        let tool_failed = matches!(
+            &tool_call.status,
+            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
+        );
 
-        h_flex()
-            .relative()
-            .justify_center()
-            .child(div().opacity(0.3).child(logo))
+        let output = terminal_data.output();
+        let command_finished = output.is_some();
+        let truncated_output = output.is_some_and(|output| output.was_content_truncated);
+        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
+
+        let command_failed = command_finished
+            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
+
+        let time_elapsed = if let Some(output) = output {
+            output.ended_at.duration_since(started_at)
+        } else {
+            started_at.elapsed()
+        };
+
+        let header_bg = cx
+            .theme()
+            .colors()
+            .element_background
+            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
+        let border_color = cx.theme().colors().border.opacity(0.6);
+
+        let working_dir = working_dir
+            .as_ref()
+            .map(|path| format!("{}", path.display()))
+            .unwrap_or_else(|| "current directory".to_string());
+
+        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
+
+        let header = h_flex()
+            .id(SharedString::from(format!(
+                "terminal-tool-header-{}",
+                terminal.entity_id()
+            )))
+            .flex_none()
+            .gap_1()
+            .justify_between()
+            .rounded_t_md()
             .child(
-                h_flex().absolute().right_1().bottom_0().child(
-                    Icon::new(IconName::XCircle)
-                        .color(Color::Error)
-                        .size(IconSize::Small),
-                ),
+                div()
+                    .id(("command-target-path", terminal.entity_id()))
+                    .w_full()
+                    .max_w_full()
+                    .overflow_x_scroll()
+                    .child(
+                        Label::new(working_dir)
+                            .buffer_font(cx)
+                            .size(LabelSize::XSmall)
+                            .color(Color::Muted),
+                    ),
             )
-            .into_any_element()
+            .when(!command_finished, |header| {
+                header
+                    .gap_1p5()
+                    .child(
+                        Button::new(
+                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
+                            "Stop",
+                        )
+                        .icon(IconName::Stop)
+                        .icon_position(IconPosition::Start)
+                        .icon_size(IconSize::Small)
+                        .icon_color(Color::Error)
+                        .label_size(LabelSize::Small)
+                        .tooltip(move |window, cx| {
+                            Tooltip::with_meta(
+                                "Stop This Command",
+                                None,
+                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
+                                window,
+                                cx,
+                            )
+                        })
+                        .on_click({
+                            let terminal = terminal.clone();
+                            cx.listener(move |_this, _event, _window, cx| {
+                                let inner_terminal = terminal.read(cx).inner().clone();
+                                inner_terminal.update(cx, |inner_terminal, _cx| {
+                                    inner_terminal.kill_active_task();
+                                });
+                            })
+                        }),
+                    )
+                    .child(Divider::vertical())
+                    .child(
+                        Icon::new(IconName::ArrowCircle)
+                            .size(IconSize::XSmall)
+                            .color(Color::Info)
+                            .with_animation(
+                                "arrow-circle",
+                                Animation::new(Duration::from_secs(2)).repeat(),
+                                |icon, delta| {
+                                    icon.transform(Transformation::rotate(percentage(delta)))
+                                },
+                            ),
+                    )
+            })
+            .when(tool_failed || command_failed, |header| {
+                header.child(
+                    div()
+                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
+                        .child(
+                            Icon::new(IconName::Close)
+                                .size(IconSize::Small)
+                                .color(Color::Error),
+                        )
+                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
+                            this.tooltip(Tooltip::text(format!(
+                                "Exited with code {}",
+                                status.code().unwrap_or(-1),
+                            )))
+                        }),
+                )
+            })
+            .when(truncated_output, |header| {
+                let tooltip = if let Some(output) = output {
+                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
+                        "Output exceeded terminal max lines and was \
+                            truncated, the model received the first 16 KB."
+                            .to_string()
+                    } else {
+                        format!(
+                            "Output is {} long, and to avoid unexpected token usage, \
+                                only 16 KB was sent back to the model.",
+                            format_file_size(output.original_content_len as u64, true),
+                        )
+                    }
+                } else {
+                    "Output was truncated".to_string()
+                };
+
+                header.child(
+                    h_flex()
+                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
+                        .gap_1()
+                        .child(
+                            Icon::new(IconName::Info)
+                                .size(IconSize::XSmall)
+                                .color(Color::Ignored),
+                        )
+                        .child(
+                            Label::new("Truncated")
+                                .color(Color::Muted)
+                                .size(LabelSize::XSmall),
+                        )
+                        .tooltip(Tooltip::text(tooltip)),
+                )
+            })
+            .when(time_elapsed > Duration::from_secs(10), |header| {
+                header.child(
+                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
+                        .buffer_font(cx)
+                        .color(Color::Muted)
+                        .size(LabelSize::XSmall),
+                )
+            })
+            .child(
+                Disclosure::new(
+                    SharedString::from(format!(
+                        "terminal-tool-disclosure-{}",
+                        terminal.entity_id()
+                    )),
+                    is_expanded,
+                )
+                .opened_icon(IconName::ChevronUp)
+                .closed_icon(IconName::ChevronDown)
+                .on_click(cx.listener({
+                    let id = tool_call.id.clone();
+                    move |this, _event, _window, _cx| {
+                        if is_expanded {
+                            this.expanded_tool_calls.remove(&id);
+                        } else {
+                            this.expanded_tool_calls.insert(id.clone());
+                        }
+                    }})),
+                );
+
+        let terminal_view = self
+            .entry_view_state
+            .read(cx)
+            .entry(entry_ix)
+            .and_then(|entry| entry.terminal(terminal));
+        let show_output = is_expanded && terminal_view.is_some();
+
+        v_flex()
+            .mb_2()
+            .border_1()
+            .when(tool_failed || command_failed, |card| card.border_dashed())
+            .border_color(border_color)
+            .rounded_md()
+            .overflow_hidden()
+            .child(
+                v_flex()
+                    .py_1p5()
+                    .pl_2()
+                    .pr_1p5()
+                    .gap_0p5()
+                    .bg(header_bg)
+                    .text_xs()
+                    .child(header)
+                    .child(
+                        MarkdownElement::new(
+                            command.clone(),
+                            terminal_command_markdown_style(window, cx),
+                        )
+                        .code_block_renderer(
+                            markdown::CodeBlockRenderer::Default {
+                                copy_button: false,
+                                copy_button_on_hover: true,
+                                border: false,
+                            },
+                        ),
+                    ),
+            )
+            .when(show_output, |this| {
+                this.child(
+                    div()
+                        .pt_2()
+                        .border_t_1()
+                        .when(tool_failed || command_failed, |card| card.border_dashed())
+                        .border_color(border_color)
+                        .bg(cx.theme().colors().editor_background)
+                        .rounded_b_md()
+                        .text_ui_sm(cx)
+                        .children(terminal_view.clone()),
+                )
+            })
+            .into_any()
     }
 
-    fn render_empty_state(&self, cx: &App) -> AnyElement {
-        let loading = matches!(&self.thread_state, ThreadState::Loading { .. });
+    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
+        let project_context = self
+            .as_native_thread(cx)?
+            .read(cx)
+            .project_context()
+            .read(cx);
+
+        let user_rules_text = if project_context.user_rules.is_empty() {
+            None
+        } else if project_context.user_rules.len() == 1 {
+            let user_rules = &project_context.user_rules[0];
+
+            match user_rules.title.as_ref() {
+                Some(title) => Some(format!("Using \"{title}\" user rule")),
+                None => Some("Using user rule".into()),
+            }
+        } else {
+            Some(format!(
+                "Using {} user rules",
+                project_context.user_rules.len()
+            ))
+        };
+
+        let first_user_rules_id = project_context
+            .user_rules
+            .first()
+            .map(|user_rules| user_rules.uuid.0);
+
+        let rules_files = project_context
+            .worktrees
+            .iter()
+            .filter_map(|worktree| worktree.rules_file.as_ref())
+            .collect::<Vec<_>>();
+
+        let rules_file_text = match rules_files.as_slice() {
+            &[] => None,
+            &[rules_file] => Some(format!(
+                "Using project {:?} file",
+                rules_file.path_in_worktree
+            )),
+            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
+        };
+
+        if user_rules_text.is_none() && rules_file_text.is_none() {
+            return None;
+        }
+
+        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
+
+        Some(
+            h_flex()
+                .px_2p5()
+                .child(
+                    Icon::new(IconName::Attach)
+                        .size(IconSize::XSmall)
+                        .color(Color::Disabled),
+                )
+                .when_some(user_rules_text, |parent, user_rules_text| {
+                    parent.child(
+                        h_flex()
+                            .id("user-rules")
+                            .ml_1()
+                            .mr_1p5()
+                            .child(
+                                Label::new(user_rules_text)
+                                    .size(LabelSize::XSmall)
+                                    .color(Color::Muted)
+                                    .truncate(),
+                            )
+                            .hover(|s| s.bg(cx.theme().colors().element_hover))
+                            .tooltip(Tooltip::text("View User Rules"))
+                            .on_click(move |_event, window, cx| {
+                                window.dispatch_action(
+                                    Box::new(OpenRulesLibrary {
+                                        prompt_to_select: first_user_rules_id,
+                                    }),
+                                    cx,
+                                )
+                            }),
+                    )
+                })
+                .when(has_both, |this| {
+                    this.child(
+                        Label::new("•")
+                            .size(LabelSize::XSmall)
+                            .color(Color::Disabled),
+                    )
+                })
+                .when_some(rules_file_text, |parent, rules_file_text| {
+                    parent.child(
+                        h_flex()
+                            .id("project-rules")
+                            .ml_1p5()
+                            .child(
+                                Label::new(rules_file_text)
+                                    .size(LabelSize::XSmall)
+                                    .color(Color::Muted),
+                            )
+                            .hover(|s| s.bg(cx.theme().colors().element_hover))
+                            .tooltip(Tooltip::text("View Project Rules"))
+                            .on_click(cx.listener(Self::handle_open_rules)),
+                    )
+                })
+                .into_any(),
+        )
+    }
+
+    fn render_empty_state_section_header(
+        &self,
+        label: impl Into<SharedString>,
+        action_slot: Option<AnyElement>,
+        cx: &mut Context<Self>,
+    ) -> impl IntoElement {
+        div().pl_1().pr_1p5().child(
+            h_flex()
+                .mt_2()
+                .pl_1p5()
+                .pb_1()
+                .w_full()
+                .justify_between()
+                .border_b_1()
+                .border_color(cx.theme().colors().border_variant)
+                .child(
+                    Label::new(label.into())
+                        .size(LabelSize::Small)
+                        .color(Color::Muted),
+                )
+                .children(action_slot),
+        )
+    }
+
+    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
+        let render_history = self
+            .agent
+            .clone()
+            .downcast::<agent2::NativeAgentServer>()
+            .is_some()
+            && self
+                .history_store
+                .update(cx, |history_store, cx| !history_store.is_empty(cx));
 
         v_flex()
             .size_full()
-            .items_center()
-            .justify_center()
-            .child(if loading {
-                h_flex()
-                    .justify_center()
-                    .child(self.render_agent_logo())
-                    .with_animation(
-                        "pulsating_icon",
-                        Animation::new(Duration::from_secs(2))
-                            .repeat()
-                            .with_easing(pulsating_between(0.4, 1.0)),
-                        |icon, delta| icon.opacity(delta),
-                    )
-                    .into_any()
-            } else {
-                self.render_agent_logo().into_any_element()
+            .when(render_history, |this| {
+                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
+                    history_store.entries().take(3).collect()
+                });
+                this.justify_end().child(
+                    v_flex()
+                        .child(
+                            self.render_empty_state_section_header(
+                                "Recent",
+                                Some(
+                                    Button::new("view-history", "View All")
+                                        .style(ButtonStyle::Subtle)
+                                        .label_size(LabelSize::Small)
+                                        .key_binding(
+                                            KeyBinding::for_action_in(
+                                                &OpenHistory,
+                                                &self.focus_handle(cx),
+                                                window,
+                                                cx,
+                                            )
+                                            .map(|kb| kb.size(rems_from_px(12.))),
+                                        )
+                                        .on_click(move |_event, window, cx| {
+                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
+                                        })
+                                        .into_any_element(),
+                                ),
+                                cx,
+                            ),
+                        )
+                        .child(
+                            v_flex().p_1().pr_1p5().gap_1().children(
+                                recent_history
+                                    .into_iter()
+                                    .enumerate()
+                                    .map(|(index, entry)| {
+                                        // TODO: Add keyboard navigation.
+                                        let is_hovered =
+                                            self.hovered_recent_history_item == Some(index);
+                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
+                                            entry,
+                                            cx.entity().downgrade(),
+                                        )
+                                        .hovered(is_hovered)
+                                        .on_hover(cx.listener(
+                                            move |this, is_hovered, _window, cx| {
+                                                if *is_hovered {
+                                                    this.hovered_recent_history_item = Some(index);
+                                                } else if this.hovered_recent_history_item
+                                                    == Some(index)
+                                                {
+                                                    this.hovered_recent_history_item = None;
+                                                }
+                                                cx.notify();
+                                            },
+                                        ))
+                                        .into_any_element()
+                                    }),
+                            ),
+                        ),
+                )
             })
-            .child(h_flex().mt_4().mb_1().justify_center().child(if loading {
-                div()
-                    .child(LoadingLabel::new("").size(LabelSize::Large))
-                    .into_any_element()
-            } else {
-                Headline::new(self.agent.empty_state_headline())
-                    .size(HeadlineSize::Medium)
-                    .into_any_element()
-            }))
-            .child(
-                div()
-                    .max_w_1_2()
-                    .text_sm()
-                    .text_center()
-                    .map(|this| {
-                        if loading {
-                            this.invisible()
-                        } else {
-                            this.text_color(cx.theme().colors().text_muted)
-                        }
-                    })
-                    .child(self.agent.empty_state_message()),
-            )
             .into_any()
     }
 
-    fn render_pending_auth_state(&self) -> AnyElement {
-        v_flex()
-            .items_center()
-            .justify_center()
-            .child(self.render_error_agent_logo())
-            .child(
-                h_flex()
-                    .mt_4()
-                    .mb_1()
-                    .justify_center()
-                    .child(Headline::new("Not Authenticated").size(HeadlineSize::Medium)),
-            )
-            .into_any()
-    }
+    fn render_auth_required_state(
+        &self,
+        connection: &Rc<dyn AgentConnection>,
+        description: Option<&Entity<Markdown>>,
+        configuration_view: Option<&AnyView>,
+        pending_auth_method: Option<&acp::AuthMethodId>,
+        window: &mut Window,
+        cx: &Context<Self>,
+    ) -> Div {
+        let show_description =
+            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
 
-    fn render_error_state(&self, e: &LoadError, cx: &Context<Self>) -> AnyElement {
-        let mut container = v_flex()
-            .items_center()
-            .justify_center()
-            .child(self.render_error_agent_logo())
-            .child(
-                v_flex()
-                    .mt_4()
-                    .mb_2()
-                    .gap_0p5()
-                    .text_center()
-                    .items_center()
-                    .child(Headline::new("Failed to launch").size(HeadlineSize::Medium))
-                    .child(
-                        Label::new(e.to_string())
+        v_flex().flex_1().size_full().justify_end().child(
+            v_flex()
+                .p_2()
+                .pr_3()
+                .w_full()
+                .gap_1()
+                .border_t_1()
+                .border_color(cx.theme().colors().border)
+                .bg(cx.theme().status().warning.opacity(0.04))
+                .child(
+                    h_flex()
+                        .gap_1p5()
+                        .child(
+                            Icon::new(IconName::Warning)
+                                .color(Color::Warning)
+                                .size(IconSize::Small),
+                        )
+                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
+                )
+                .children(description.map(|desc| {
+                    div().text_ui(cx).child(self.render_markdown(
+                        desc.clone(),
+                        default_markdown_style(false, false, window, cx),
+                    ))
+                }))
+                .children(
+                    configuration_view
+                        .cloned()
+                        .map(|view| div().w_full().child(view)),
+                )
+                .when(
+                    show_description,
+                    |el| {
+                        el.child(
+                            Label::new(format!(
+                                "You are not currently authenticated with {}. Please choose one of the following options:",
+                                self.agent.name()
+                            ))
                             .size(LabelSize::Small)
-                            .color(Color::Muted),
-                    ),
-            );
+                            .color(Color::Muted)
+                            .mb_1()
+                            .ml_5(),
+                        )
+                    },
+                )
+                .when_some(pending_auth_method, |el, _| {
+                    el.child(
+                        h_flex()
+                            .py_4()
+                            .w_full()
+                            .justify_center()
+                            .gap_1()
+                            .child(
+                                Icon::new(IconName::ArrowCircle)
+                                    .size(IconSize::Small)
+                                    .color(Color::Muted)
+                                    .with_animation(
+                                        "arrow-circle",
+                                        Animation::new(Duration::from_secs(2)).repeat(),
+                                        |icon, delta| {
+                                            icon.transform(Transformation::rotate(percentage(
+                                                delta,
+                                            )))
+                                        },
+                                    )
+                                    .into_any_element(),
+                            )
+                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
+                    )
+                })
+                .when(!connection.auth_methods().is_empty(), |this| {
+                    this.child(
+                        h_flex()
+                            .justify_end()
+                            .flex_wrap()
+                            .gap_1()
+                            .when(!show_description, |this| {
+                                this.border_t_1()
+                                    .mt_1()
+                                    .pt_2()
+                                    .border_color(cx.theme().colors().border.opacity(0.8))
+                            })
+                            .children(
+                                connection
+                                    .auth_methods()
+                                    .iter()
+                                    .enumerate()
+                                    .rev()
+                                    .map(|(ix, method)| {
+                                        Button::new(
+                                            SharedString::from(method.id.0.clone()),
+                                            method.name.clone(),
+                                        )
+                                        .when(ix == 0, |el| {
+                                            el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
+                                        })
+                                        .label_size(LabelSize::Small)
+                                        .on_click({
+                                            let method_id = method.id.clone();
+                                            cx.listener(move |this, _, window, cx| {
+                                                telemetry::event!(
+                                                    "Authenticate Agent Started",
+                                                    agent = this.agent.telemetry_id(),
+                                                    method = method_id
+                                                );
 
-        if let LoadError::Unsupported {
-            upgrade_message,
-            upgrade_command,
-            ..
-        } = &e
-        {
-            let upgrade_message = upgrade_message.clone();
-            let upgrade_command = upgrade_command.clone();
-            container = container.child(Button::new("upgrade", upgrade_message).on_click(
-                cx.listener(move |this, _, window, cx| {
-                    this.workspace
-                        .update(cx, |workspace, cx| {
-                            let project = workspace.project().read(cx);
-                            let cwd = project.first_project_directory(cx);
-                            let shell = project.terminal_settings(&cwd, cx).shell.clone();
-                            let spawn_in_terminal = task::SpawnInTerminal {
-                                id: task::TaskId("install".to_string()),
-                                full_label: upgrade_command.clone(),
-                                label: upgrade_command.clone(),
-                                command: Some(upgrade_command.clone()),
-                                args: Vec::new(),
-                                command_label: upgrade_command.clone(),
-                                cwd,
-                                env: Default::default(),
-                                use_new_terminal: true,
-                                allow_concurrent_runs: true,
-                                reveal: Default::default(),
-                                reveal_target: Default::default(),
-                                hide: Default::default(),
-                                shell,
-                                show_summary: true,
-                                show_command: true,
-                                show_rerun: false,
-                            };
-                            workspace
-                                .spawn_in_terminal(spawn_in_terminal, window, cx)
-                                .detach();
+                                                this.authenticate(method_id.clone(), window, cx)
+                                            })
+                                        })
+                                    }),
+                            ),
+                    )
+                })
+
+        )
+    }
+
+    fn render_load_error(&self, e: &LoadError, cx: &Context<Self>) -> AnyElement {
+        let (message, action_slot) = match e {
+            LoadError::NotInstalled {
+                error_message,
+                install_message,
+                install_command,
+            } => {
+                let install_command = install_command.clone();
+                let button = Button::new("install", install_message)
+                    .tooltip(Tooltip::text(install_command.clone()))
+                    .style(ButtonStyle::Outlined)
+                    .label_size(LabelSize::Small)
+                    .icon(IconName::Download)
+                    .icon_size(IconSize::Small)
+                    .icon_color(Color::Muted)
+                    .icon_position(IconPosition::Start)
+                    .on_click(cx.listener(move |this, _, window, cx| {
+                        telemetry::event!("Agent Install CLI", agent = this.agent.telemetry_id());
+
+                        let task = this
+                            .workspace
+                            .update(cx, |workspace, cx| {
+                                let project = workspace.project().read(cx);
+                                let cwd = project.first_project_directory(cx);
+                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
+                                let spawn_in_terminal = task::SpawnInTerminal {
+                                    id: task::TaskId(install_command.clone()),
+                                    full_label: install_command.clone(),
+                                    label: install_command.clone(),
+                                    command: Some(install_command.clone()),
+                                    args: Vec::new(),
+                                    command_label: install_command.clone(),
+                                    cwd,
+                                    env: Default::default(),
+                                    use_new_terminal: true,
+                                    allow_concurrent_runs: true,
+                                    reveal: Default::default(),
+                                    reveal_target: Default::default(),
+                                    hide: Default::default(),
+                                    shell,
+                                    show_summary: true,
+                                    show_command: true,
+                                    show_rerun: false,
+                                };
+                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
+                            })
+                            .ok();
+                        let Some(task) = task else { return };
+                        cx.spawn_in(window, async move |this, cx| {
+                            if let Some(Ok(_)) = task.await {
+                                this.update_in(cx, |this, window, cx| {
+                                    this.reset(window, cx);
+                                })
+                                .ok();
+                            }
                         })
-                        .ok();
-                }),
-            ));
-        }
+                        .detach()
+                    }));
 
-        container.into_any()
+                (error_message.clone(), Some(button.into_any_element()))
+            }
+            LoadError::Unsupported {
+                error_message,
+                upgrade_message,
+                upgrade_command,
+            } => {
+                let upgrade_command = upgrade_command.clone();
+                let button = Button::new("upgrade", upgrade_message)
+                    .tooltip(Tooltip::text(upgrade_command.clone()))
+                    .style(ButtonStyle::Outlined)
+                    .label_size(LabelSize::Small)
+                    .icon(IconName::Download)
+                    .icon_size(IconSize::Small)
+                    .icon_color(Color::Muted)
+                    .icon_position(IconPosition::Start)
+                    .on_click(cx.listener(move |this, _, window, cx| {
+                        telemetry::event!("Agent Upgrade CLI", agent = this.agent.telemetry_id());
+
+                        let task = this
+                            .workspace
+                            .update(cx, |workspace, cx| {
+                                let project = workspace.project().read(cx);
+                                let cwd = project.first_project_directory(cx);
+                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
+                                let spawn_in_terminal = task::SpawnInTerminal {
+                                    id: task::TaskId(upgrade_command.to_string()),
+                                    full_label: upgrade_command.clone(),
+                                    label: upgrade_command.clone(),
+                                    command: Some(upgrade_command.clone()),
+                                    args: Vec::new(),
+                                    command_label: upgrade_command.clone(),
+                                    cwd,
+                                    env: Default::default(),
+                                    use_new_terminal: true,
+                                    allow_concurrent_runs: true,
+                                    reveal: Default::default(),
+                                    reveal_target: Default::default(),
+                                    hide: Default::default(),
+                                    shell,
+                                    show_summary: true,
+                                    show_command: true,
+                                    show_rerun: false,
+                                };
+                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
+                            })
+                            .ok();
+                        let Some(task) = task else { return };
+                        cx.spawn_in(window, async move |this, cx| {
+                            if let Some(Ok(_)) = task.await {
+                                this.update_in(cx, |this, window, cx| {
+                                    this.reset(window, cx);
+                                })
+                                .ok();
+                            }
+                        })
+                        .detach()
+                    }));
+
+                (error_message.clone(), Some(button.into_any_element()))
+            }
+            LoadError::Exited { .. } => ("Server exited with status {status}".into(), None),
+            LoadError::Other(msg) => (
+                msg.into(),
+                Some(self.create_copy_button(msg.to_string()).into_any_element()),
+            ),
+        };
+
+        Callout::new()
+            .severity(Severity::Error)
+            .icon(IconName::XCircleFilled)
+            .title("Failed to Launch")
+            .description(message)
+            .actions_slot(div().children(action_slot))
+            .into_any_element()
     }
 
     fn render_activity_bar(
@@ -1389,24 +2943,25 @@ impl AcpThreadView {
                         parent.child(self.render_plan_entries(plan, window, cx))
                     })
             })
+            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
+                this.child(Divider::horizontal().color(DividerColor::Border))
+            })
             .when(!changed_buffers.is_empty(), |this| {
-                this.child(Divider::horizontal())
-                    .child(self.render_edits_summary(
+                this.child(self.render_edits_summary(
+                    &changed_buffers,
+                    self.edits_expanded,
+                    pending_edits,
+                    window,
+                    cx,
+                ))
+                .when(self.edits_expanded, |parent| {
+                    parent.child(self.render_edited_files(
                         action_log,
                         &changed_buffers,
-                        self.edits_expanded,
                         pending_edits,
-                        window,
                         cx,
                     ))
-                    .when(self.edits_expanded, |parent| {
-                        parent.child(self.render_edited_files(
-                            action_log,
-                            &changed_buffers,
-                            pending_edits,
-                            cx,
-                        ))
-                    })
+                })
             })
             .into_any()
             .into()
@@ -1420,6 +2975,7 @@ impl AcpThreadView {
         {
             h_flex()
                 .w_full()
+                .cursor_default()
                 .gap_1()
                 .text_xs()
                 .text_color(cx.theme().colors().text_muted)
@@ -1449,7 +3005,7 @@ impl AcpThreadView {
             let status_label = if stats.pending == 0 {
                 "All Done".to_string()
             } else if stats.completed == 0 {
-                format!("{}", plan.entries.len())
+                format!("{} Tasks", plan.entries.len())
             } else {
                 format!("{}/{}", stats.completed, plan.entries.len())
             };
@@ -1543,7 +3099,6 @@ impl AcpThreadView {
 
     fn render_edits_summary(
         &self,
-        action_log: &Entity<ActionLog>,
         changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
         expanded: bool,
         pending_edits: bool,
@@ -1557,14 +3112,13 @@ impl AcpThreadView {
         h_flex()
             .p_1()
             .justify_between()
+            .flex_wrap()
             .when(expanded, |this| {
                 this.border_b_1().border_color(cx.theme().colors().border)
             })
             .child(
                 h_flex()
                     .id("edits-container")
-                    .cursor_pointer()
-                    .w_full()
                     .gap_1()
                     .child(Disclosure::new("edits-disclosure", expanded))
                     .map(|this| {
@@ -1655,14 +3209,9 @@ impl AcpThreadView {
                                 )
                                 .map(|kb| kb.size(rems_from_px(10.))),
                             )
-                            .on_click({
-                                let action_log = action_log.clone();
-                                cx.listener(move |_, _, _, cx| {
-                                    action_log.update(cx, |action_log, cx| {
-                                        action_log.reject_all_edits(cx).detach();
-                                    })
-                                })
-                            }),
+                            .on_click(cx.listener(move |this, _, window, cx| {
+                                this.reject_all(&RejectAll, window, cx);
+                            })),
                     )
                     .child(
                         Button::new("keep-all-changes", "Keep All")
@@ -1675,14 +3224,9 @@ impl AcpThreadView {
                                 KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
                                     .map(|kb| kb.size(rems_from_px(10.))),
                             )
-                            .on_click({
-                                let action_log = action_log.clone();
-                                cx.listener(move |_, _, _, cx| {
-                                    action_log.update(cx, |action_log, cx| {
-                                        action_log.keep_all_edits(cx);
-                                    })
-                                })
-                            }),
+                            .on_click(cx.listener(move |this, _, window, cx| {
+                                this.keep_all(&KeepAll, window, cx);
+                            })),
                     ),
             )
     }
@@ -1696,7 +3240,7 @@ impl AcpThreadView {
     ) -> Div {
         let editor_bg_color = cx.theme().colors().editor_background;
 
-        v_flex().children(changed_buffers.into_iter().enumerate().flat_map(
+        v_flex().children(changed_buffers.iter().enumerate().flat_map(
             |(index, (buffer, _diff))| {
                 let file = buffer.read(cx).file()?;
                 let path = file.path();
@@ -1722,7 +3266,7 @@ impl AcpThreadView {
                         .buffer_font(cx)
                 });
 
-                let file_icon = FileIcons::get_icon(&path, cx)
+                let file_icon = FileIcons::get_icon(path, cx)
                     .map(Icon::from_path)
                     .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
                     .unwrap_or_else(|| {
@@ -1846,8 +3390,32 @@ impl AcpThreadView {
             (IconName::Maximize, "Expand Message Editor")
         };
 
+        let backdrop = div()
+            .size_full()
+            .absolute()
+            .inset_0()
+            .bg(cx.theme().colors().panel_background)
+            .opacity(0.8)
+            .block_mouse_except_scroll();
+
+        let enable_editor = match self.thread_state {
+            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
+            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
+        };
+
         v_flex()
             .on_action(cx.listener(Self::expand_message_editor))
+            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
+                if let Some(profile_selector) = this.profile_selector.as_ref() {
+                    profile_selector.read(cx).menu_handle().toggle(window, cx);
+                }
+            }))
+            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
+                if let Some(model_selector) = this.model_selector.as_ref() {
+                    model_selector
+                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
+                }
+            }))
             .p_2()
             .gap_2()
             .border_t_1()
@@ -1862,34 +3430,7 @@ impl AcpThreadView {
                     .size_full()
                     .pt_1()
                     .pr_2p5()
-                    .child(div().flex_1().child({
-                        let settings = ThemeSettings::get_global(cx);
-                        let font_size = TextSize::Small
-                            .rems(cx)
-                            .to_pixels(settings.agent_font_size(cx));
-                        let line_height = settings.buffer_line_height.value() * font_size;
-
-                        let text_style = TextStyle {
-                            color: cx.theme().colors().text,
-                            font_family: settings.buffer_font.family.clone(),
-                            font_fallbacks: settings.buffer_font.fallbacks.clone(),
-                            font_features: settings.buffer_font.features.clone(),
-                            font_size: font_size.into(),
-                            line_height: line_height.into(),
-                            ..Default::default()
-                        };
-
-                        EditorElement::new(
-                            &self.message_editor,
-                            EditorStyle {
-                                background: editor_bg_color,
-                                local_player: cx.theme().players().local(),
-                                text: text_style,
-                                syntax: cx.theme().syntax().clone(),
-                                ..Default::default()
-                            },
-                        )
-                    }))
+                    .child(self.message_editor.clone())
                     .child(
                         h_flex()
                             .absolute()
@@ -1899,10 +3440,9 @@ impl AcpThreadView {
                             .hover(|this| this.opacity(1.0))
                             .child(
                                 IconButton::new("toggle-height", expand_icon)
-                                    .icon_size(IconSize::XSmall)
+                                    .icon_size(IconSize::Small)
                                     .icon_color(Color::Muted)
                                     .tooltip({
-                                        let focus_handle = focus_handle.clone();
                                         move |window, cx| {
                                             Tooltip::for_action_in(
                                                 expand_tooltip,
@@ -1922,51 +3462,258 @@ impl AcpThreadView {
             .child(
                 h_flex()
                     .flex_none()
+                    .flex_wrap()
                     .justify_between()
-                    .child(self.render_follow_toggle(cx))
-                    .child(self.render_send_button(cx)),
+                    .child(
+                        h_flex()
+                            .child(self.render_follow_toggle(cx))
+                            .children(self.render_burn_mode_toggle(cx)),
+                    )
+                    .child(
+                        h_flex()
+                            .gap_1()
+                            .children(self.render_token_usage(cx))
+                            .children(self.profile_selector.clone())
+                            .children(self.model_selector.clone())
+                            .child(self.render_send_button(cx)),
+                    ),
             )
+            .when(!enable_editor, |this| this.child(backdrop))
             .into_any()
     }
 
-    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
-        if self.thread().map_or(true, |thread| {
-            thread.read(cx).status() == ThreadStatus::Idle
-        }) {
-            let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
-            IconButton::new("send-message", IconName::Send)
-                .icon_color(Color::Accent)
-                .style(ButtonStyle::Filled)
-                .disabled(self.thread().is_none() || is_editor_empty)
-                .on_click(cx.listener(|this, _, window, cx| {
-                    this.chat(&Chat, window, cx);
-                }))
-                .when(!is_editor_empty, |button| {
-                    button.tooltip(move |window, cx| Tooltip::for_action("Send", &Chat, window, cx))
-                })
-                .when(is_editor_empty, |button| {
-                    button.tooltip(Tooltip::text("Type a message to submit"))
-                })
-                .into_any_element()
+    pub(crate) fn as_native_connection(
+        &self,
+        cx: &App,
+    ) -> Option<Rc<agent2::NativeAgentConnection>> {
+        let acp_thread = self.thread()?.read(cx);
+        acp_thread.connection().clone().downcast()
+    }
+
+    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
+        let acp_thread = self.thread()?.read(cx);
+        self.as_native_connection(cx)?
+            .thread(acp_thread.session_id(), cx)
+    }
+
+    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
+        self.as_native_thread(cx)
+            .and_then(|thread| thread.read(cx).model())
+            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
+    }
+
+    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
+        let thread = self.thread()?.read(cx);
+        let usage = thread.token_usage()?;
+        let is_generating = thread.status() != ThreadStatus::Idle;
+
+        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
+        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
+
+        Some(
+            h_flex()
+                .flex_shrink_0()
+                .gap_0p5()
+                .mr_1p5()
+                .child(
+                    Label::new(used)
+                        .size(LabelSize::Small)
+                        .color(Color::Muted)
+                        .map(|label| {
+                            if is_generating {
+                                label
+                                    .with_animation(
+                                        "used-tokens-label",
+                                        Animation::new(Duration::from_secs(2))
+                                            .repeat()
+                                            .with_easing(pulsating_between(0.3, 0.8)),
+                                        |label, delta| label.alpha(delta),
+                                    )
+                                    .into_any()
+                            } else {
+                                label.into_any_element()
+                            }
+                        }),
+                )
+                .child(
+                    Label::new("/")
+                        .size(LabelSize::Small)
+                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
+                )
+                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
+        )
+    }
+
+    fn toggle_burn_mode(
+        &mut self,
+        _: &ToggleBurnMode,
+        _window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let Some(thread) = self.as_native_thread(cx) else {
+            return;
+        };
+
+        thread.update(cx, |thread, cx| {
+            let current_mode = thread.completion_mode();
+            thread.set_completion_mode(
+                match current_mode {
+                    CompletionMode::Burn => CompletionMode::Normal,
+                    CompletionMode::Normal => CompletionMode::Burn,
+                },
+                cx,
+            );
+        });
+    }
+
+    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
+        let Some(thread) = self.thread() else {
+            return;
+        };
+        let action_log = thread.read(cx).action_log().clone();
+        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
+    }
+
+    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
+        let Some(thread) = self.thread() else {
+            return;
+        };
+        let action_log = thread.read(cx).action_log().clone();
+        action_log
+            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
+            .detach();
+    }
+
+    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
+        let thread = self.as_native_thread(cx)?.read(cx);
+
+        if thread
+            .model()
+            .is_none_or(|model| !model.supports_burn_mode())
+        {
+            return None;
+        }
+
+        let active_completion_mode = thread.completion_mode();
+        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
+        let icon = if burn_mode_enabled {
+            IconName::ZedBurnModeOn
         } else {
-            IconButton::new("stop-generation", IconName::StopFilled)
+            IconName::ZedBurnMode
+        };
+
+        Some(
+            IconButton::new("burn-mode", icon)
+                .icon_size(IconSize::Small)
+                .icon_color(Color::Muted)
+                .toggle_state(burn_mode_enabled)
+                .selected_icon_color(Color::Error)
+                .on_click(cx.listener(|this, _event, window, cx| {
+                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
+                }))
+                .tooltip(move |_window, cx| {
+                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
+                        .into()
+                })
+                .into_any_element(),
+        )
+    }
+
+    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
+        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
+        let is_generating = self
+            .thread()
+            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
+
+        if self.is_loading_contents {
+            div()
+                .id("loading-message-content")
+                .px_1()
+                .tooltip(Tooltip::text("Loading Added Context…"))
+                .child(loading_contents_spinner(IconSize::default()))
+                .into_any_element()
+        } else if is_generating && is_editor_empty {
+            IconButton::new("stop-generation", IconName::Stop)
                 .icon_color(Color::Error)
                 .style(ButtonStyle::Tinted(ui::TintColor::Error))
                 .tooltip(move |window, cx| {
                     Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
                 })
-                .on_click(cx.listener(|this, _event, _, cx| this.cancel(cx)))
+                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
+                .into_any_element()
+        } else {
+            let send_btn_tooltip = if is_editor_empty && !is_generating {
+                "Type to Send"
+            } else if is_generating {
+                "Stop and Send Message"
+            } else {
+                "Send"
+            };
+
+            IconButton::new("send-message", IconName::Send)
+                .style(ButtonStyle::Filled)
+                .map(|this| {
+                    if is_editor_empty && !is_generating {
+                        this.disabled(true).icon_color(Color::Muted)
+                    } else {
+                        this.icon_color(Color::Accent)
+                    }
+                })
+                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
+                .on_click(cx.listener(|this, _, window, cx| {
+                    this.send(window, cx);
+                }))
                 .into_any_element()
         }
     }
 
+    fn is_following(&self, cx: &App) -> bool {
+        match self.thread().map(|thread| thread.read(cx).status()) {
+            Some(ThreadStatus::Generating) => self
+                .workspace
+                .read_with(cx, |workspace, _| {
+                    workspace.is_being_followed(CollaboratorId::Agent)
+                })
+                .unwrap_or(false),
+            _ => self.should_be_following,
+        }
+    }
+
+    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let following = self.is_following(cx);
+
+        self.should_be_following = !following;
+        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
+            self.workspace
+                .update(cx, |workspace, cx| {
+                    if following {
+                        workspace.unfollow(CollaboratorId::Agent, window, cx);
+                    } else {
+                        workspace.follow(CollaboratorId::Agent, window, cx);
+                    }
+                })
+                .ok();
+        }
+
+        telemetry::event!("Follow Agent Selected", following = !following);
+    }
+
     fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
-        let following = self
-            .workspace
-            .read_with(cx, |workspace, _| {
-                workspace.is_being_followed(CollaboratorId::Agent)
-            })
-            .unwrap_or(false);
+        let following = self.is_following(cx);
+
+        let tooltip_label = if following {
+            if self.agent.name() == "Zed Agent" {
+                format!("Stop Following the {}", self.agent.name())
+            } else {
+                format!("Stop Following {}", self.agent.name())
+            }
+        } else {
+            if self.agent.name() == "Zed Agent" {
+                format!("Follow the {}", self.agent.name())
+            } else {
+                format!("Follow {}", self.agent.name())
+            }
+        };
 
         IconButton::new("follow-agent", IconName::Crosshair)
             .icon_size(IconSize::Small)
@@ -1975,10 +3722,10 @@ impl AcpThreadView {
             .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
             .tooltip(move |window, cx| {
                 if following {
-                    Tooltip::for_action("Stop Following Agent", &Follow, window, cx)
+                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
                 } else {
                     Tooltip::with_meta(
-                        "Follow Agent",
+                        tooltip_label.clone(),
                         Some(&Follow),
                         "Track the agent's location as it reads and edits files.",
                         window,
@@ -1987,15 +3734,7 @@ impl AcpThreadView {
                 }
             })
             .on_click(cx.listener(move |this, _, window, cx| {
-                this.workspace
-                    .update(cx, |workspace, cx| {
-                        if following {
-                            workspace.unfollow(CollaboratorId::Agent, window, cx);
-                        } else {
-                            workspace.follow(CollaboratorId::Agent, window, cx);
-                        }
-                    })
-                    .ok();
+                this.toggle_following(window, cx);
             }))
     }
 
@@ -2017,26 +3756,113 @@ impl AcpThreadView {
             return;
         };
 
-        if let Some(mention_path) = MentionPath::try_parse(&url) {
-            workspace.update(cx, |workspace, cx| {
-                let project = workspace.project();
-                let Some((path, entry)) = project.update(cx, |project, cx| {
-                    let path = project.find_project_path(mention_path.path(), cx)?;
-                    let entry = project.entry_for_path(&path, cx)?;
-                    Some((path, entry))
-                }) else {
-                    return;
-                };
+        if let Some(mention) = MentionUri::parse(&url).log_err() {
+            workspace.update(cx, |workspace, cx| match mention {
+                MentionUri::File { abs_path } => {
+                    let project = workspace.project();
+                    let Some(path) =
+                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
+                    else {
+                        return;
+                    };
 
-                if entry.is_dir() {
-                    project.update(cx, |_, cx| {
-                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
-                    });
-                } else {
                     workspace
                         .open_path(path, None, true, window, cx)
                         .detach_and_log_err(cx);
                 }
+                MentionUri::PastedImage => {}
+                MentionUri::Directory { abs_path } => {
+                    let project = workspace.project();
+                    let Some(entry) = project.update(cx, |project, cx| {
+                        let path = project.find_project_path(abs_path, cx)?;
+                        project.entry_for_path(&path, cx)
+                    }) else {
+                        return;
+                    };
+
+                    project.update(cx, |_, cx| {
+                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
+                    });
+                }
+                MentionUri::Symbol {
+                    abs_path: path,
+                    line_range,
+                    ..
+                }
+                | MentionUri::Selection {
+                    abs_path: Some(path),
+                    line_range,
+                } => {
+                    let project = workspace.project();
+                    let Some((path, _)) = project.update(cx, |project, cx| {
+                        let path = project.find_project_path(path, cx)?;
+                        let entry = project.entry_for_path(&path, cx)?;
+                        Some((path, entry))
+                    }) else {
+                        return;
+                    };
+
+                    let item = workspace.open_path(path, None, true, window, cx);
+                    window
+                        .spawn(cx, async move |cx| {
+                            let Some(editor) = item.await?.downcast::<Editor>() else {
+                                return Ok(());
+                            };
+                            let range = Point::new(*line_range.start(), 0)
+                                ..Point::new(*line_range.start(), 0);
+                            editor
+                                .update_in(cx, |editor, window, cx| {
+                                    editor.change_selections(
+                                        SelectionEffects::scroll(Autoscroll::center()),
+                                        window,
+                                        cx,
+                                        |s| s.select_ranges(vec![range]),
+                                    );
+                                })
+                                .ok();
+                            anyhow::Ok(())
+                        })
+                        .detach_and_log_err(cx);
+                }
+                MentionUri::Selection { abs_path: None, .. } => {}
+                MentionUri::Thread { id, name } => {
+                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
+                        panel.update(cx, |panel, cx| {
+                            panel.load_agent_thread(
+                                DbThreadMetadata {
+                                    id,
+                                    title: name.into(),
+                                    updated_at: Default::default(),
+                                },
+                                window,
+                                cx,
+                            )
+                        });
+                    }
+                }
+                MentionUri::TextThread { path, .. } => {
+                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
+                        panel.update(cx, |panel, cx| {
+                            panel
+                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
+                                .detach_and_log_err(cx);
+                        });
+                    }
+                }
+                MentionUri::Rule { id, .. } => {
+                    let PromptId::User { uuid } = id else {
+                        return;
+                    };
+                    window.dispatch_action(
+                        Box::new(OpenRulesLibrary {
+                            prompt_to_select: Some(uuid.0),
+                        }),
+                        cx,
+                    )
+                }
+                MentionUri::Fetch { url } => {
+                    cx.open_url(url.as_str());
+                }
             })
         } else {
             cx.open_url(&url);
@@ -2050,26 +3876,24 @@ impl AcpThreadView {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Option<()> {
-        let location = self
+        let (tool_call_location, agent_location) = self
             .thread()?
             .read(cx)
             .entries()
             .get(entry_ix)?
-            .locations()?
-            .get(location_ix)?;
+            .location(location_ix)?;
 
         let project_path = self
             .project
             .read(cx)
-            .find_project_path(&location.path, cx)?;
+            .find_project_path(&tool_call_location.path, cx)?;
 
         let open_task = self
             .workspace
-            .update(cx, |worskpace, cx| {
-                worskpace.open_path(project_path, None, true, window, cx)
+            .update(cx, |workspace, cx| {
+                workspace.open_path(project_path, None, true, window, cx)
             })
             .log_err()?;
-
         window
             .spawn(cx, async move |cx| {
                 let item = open_task.await?;
@@ -2079,17 +3903,22 @@ impl AcpThreadView {
                 };
 
                 active_editor.update_in(cx, |editor, window, cx| {
-                    let snapshot = editor.buffer().read(cx).snapshot(cx);
-                    let first_hunk = editor
-                        .diff_hunks_in_ranges(
-                            &[editor::Anchor::min()..editor::Anchor::max()],
-                            &snapshot,
-                        )
-                        .next();
-                    if let Some(first_hunk) = first_hunk {
-                        let first_hunk_start = first_hunk.multi_buffer_range().start;
+                    let multibuffer = editor.buffer().read(cx);
+                    let buffer = multibuffer.as_singleton();
+                    if agent_location.buffer.upgrade() == buffer {
+                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
+                        let anchor = editor::Anchor::in_buffer(
+                            excerpt_id.unwrap(),
+                            buffer.unwrap().read(cx).remote_id(),
+                            agent_location.position,
+                        );
                         editor.change_selections(Default::default(), window, cx, |selections| {
-                            selections.select_anchor_ranges([first_hunk_start..first_hunk_start]);
+                            selections.select_anchor_ranges([anchor..anchor]);
+                        })
+                    } else {
+                        let row = tool_call_location.line.unwrap_or_default();
+                        editor.change_selections(Default::default(), window, cx, |selections| {
+                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
                         })
                     }
                 })?;
@@ -2127,7 +3956,7 @@ impl AcpThreadView {
                 let project = workspace.project().clone();
 
                 if !project.read(cx).is_local() {
-                    anyhow::bail!("failed to open active thread as markdown in remote project");
+                    bail!("failed to open active thread as markdown in remote project");
                 }
 
                 let buffer = project.update(cx, |project, cx| {
@@ -2160,18 +3989,180 @@ impl AcpThreadView {
         self.list_state.scroll_to(ListOffset::default());
         cx.notify();
     }
-}
 
-impl Focusable for AcpThreadView {
-    fn focus_handle(&self, cx: &App) -> FocusHandle {
-        self.message_editor.focus_handle(cx)
+    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
+        if let Some(thread) = self.thread() {
+            let entry_count = thread.read(cx).entries().len();
+            self.list_state.reset(entry_count);
+            cx.notify();
+        }
     }
-}
 
-impl Render for AcpThreadView {
-    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let open_as_markdown = IconButton::new("open-as-markdown", IconName::DocumentText)
-            .icon_size(IconSize::XSmall)
+    fn notify_with_sound(
+        &mut self,
+        caption: impl Into<SharedString>,
+        icon: IconName,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        self.play_notification_sound(window, cx);
+        self.show_notification(caption, icon, window, cx);
+    }
+
+    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
+        let settings = AgentSettings::get_global(cx);
+        if settings.play_sound_when_agent_done && !window.is_window_active() {
+            Audio::play_sound(Sound::AgentDone, cx);
+        }
+    }
+
+    fn show_notification(
+        &mut self,
+        caption: impl Into<SharedString>,
+        icon: IconName,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        if window.is_window_active() || !self.notifications.is_empty() {
+            return;
+        }
+
+        // TODO: Change this once we have title summarization for external agents.
+        let title = self.agent.name();
+
+        match AgentSettings::get_global(cx).notify_when_agent_waiting {
+            NotifyWhenAgentWaiting::PrimaryScreen => {
+                if let Some(primary) = cx.primary_display() {
+                    self.pop_up(icon, caption.into(), title, window, primary, cx);
+                }
+            }
+            NotifyWhenAgentWaiting::AllScreens => {
+                let caption = caption.into();
+                for screen in cx.displays() {
+                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
+                }
+            }
+            NotifyWhenAgentWaiting::Never => {
+                // Don't show anything
+            }
+        }
+    }
+
+    fn pop_up(
+        &mut self,
+        icon: IconName,
+        caption: SharedString,
+        title: SharedString,
+        window: &mut Window,
+        screen: Rc<dyn PlatformDisplay>,
+        cx: &mut Context<Self>,
+    ) {
+        let options = AgentNotification::window_options(screen, cx);
+
+        let project_name = self.workspace.upgrade().and_then(|workspace| {
+            workspace
+                .read(cx)
+                .project()
+                .read(cx)
+                .visible_worktrees(cx)
+                .next()
+                .map(|worktree| worktree.read(cx).root_name().to_string())
+        });
+
+        if let Some(screen_window) = cx
+            .open_window(options, |_, cx| {
+                cx.new(|_| {
+                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
+                })
+            })
+            .log_err()
+            && let Some(pop_up) = screen_window.entity(cx).log_err()
+        {
+            self.notification_subscriptions
+                .entry(screen_window)
+                .or_insert_with(Vec::new)
+                .push(cx.subscribe_in(&pop_up, window, {
+                    |this, _, event, window, cx| match event {
+                        AgentNotificationEvent::Accepted => {
+                            let handle = window.window_handle();
+                            cx.activate(true);
+
+                            let workspace_handle = this.workspace.clone();
+
+                            // If there are multiple Zed windows, activate the correct one.
+                            cx.defer(move |cx| {
+                                handle
+                                    .update(cx, |_view, window, _cx| {
+                                        window.activate_window();
+
+                                        if let Some(workspace) = workspace_handle.upgrade() {
+                                            workspace.update(_cx, |workspace, cx| {
+                                                workspace.focus_panel::<AgentPanel>(window, cx);
+                                            });
+                                        }
+                                    })
+                                    .log_err();
+                            });
+
+                            this.dismiss_notifications(cx);
+                        }
+                        AgentNotificationEvent::Dismissed => {
+                            this.dismiss_notifications(cx);
+                        }
+                    }
+                }));
+
+            self.notifications.push(screen_window);
+
+            // If the user manually refocuses the original window, dismiss the popup.
+            self.notification_subscriptions
+                .entry(screen_window)
+                .or_insert_with(Vec::new)
+                .push({
+                    let pop_up_weak = pop_up.downgrade();
+
+                    cx.observe_window_activation(window, move |_, window, cx| {
+                        if window.is_window_active()
+                            && let Some(pop_up) = pop_up_weak.upgrade()
+                        {
+                            pop_up.update(cx, |_, cx| {
+                                cx.emit(AgentNotificationEvent::Dismissed);
+                            });
+                        }
+                    })
+                });
+        }
+    }
+
+    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
+        for window in self.notifications.drain(..) {
+            window
+                .update(cx, |_, window, _| {
+                    window.remove_window();
+                })
+                .ok();
+
+            self.notification_subscriptions.remove(&window);
+        }
+    }
+
+    fn render_thread_controls(
+        &self,
+        thread: &Entity<AcpThread>,
+        cx: &Context<Self>,
+    ) -> impl IntoElement {
+        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
+        if is_generating {
+            return h_flex().id("thread-controls-container").ml_1().child(
+                div()
+                    .py_2()
+                    .px(rems_from_px(22.))
+                    .child(SpinnerLabel::new().size(LabelSize::Small)),
+            );
+        }
+        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
+            .shape(ui::IconButtonShape::Square)
+            .icon_size(IconSize::Small)
             .icon_color(Color::Ignored)
             .tooltip(Tooltip::text("Open Thread as Markdown"))
             .on_click(cx.listener(move |this, _, window, cx| {
@@ -2181,129 +4172,771 @@ impl Render for AcpThreadView {
                 }
             }));
 
-        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUpAlt)
-            .icon_size(IconSize::XSmall)
+        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
+            .shape(ui::IconButtonShape::Square)
+            .icon_size(IconSize::Small)
             .icon_color(Color::Ignored)
             .tooltip(Tooltip::text("Scroll To Top"))
             .on_click(cx.listener(move |this, _, _, cx| {
                 this.scroll_to_top(cx);
             }));
 
+        let mut container = h_flex()
+            .id("thread-controls-container")
+            .group("thread-controls-container")
+            .w_full()
+            .mr_1()
+            .pt_1()
+            .pb_2()
+            .px(RESPONSE_PADDING_X)
+            .gap_px()
+            .opacity(0.4)
+            .hover(|style| style.opacity(1.))
+            .flex_wrap()
+            .justify_end();
+
+        if AgentSettings::get_global(cx).enable_feedback
+            && self
+                .thread()
+                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
+        {
+            let feedback = self.thread_feedback.feedback;
+            container = container.child(
+                div().visible_on_hover("thread-controls-container").child(
+                    Label::new(
+                        match feedback {
+                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
+                            Some(ThreadFeedback::Negative) => "We appreciate your feedback and will use it to improve.",
+                            None => "Rating the thread sends all of your current conversation to the Zed team.",
+                        }
+                    )
+                    .color(Color::Muted)
+                    .size(LabelSize::XSmall)
+                    .truncate(),
+                ),
+            ).child(
+                h_flex()
+                    .child(
+                        IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
+                            .shape(ui::IconButtonShape::Square)
+                            .icon_size(IconSize::Small)
+                            .icon_color(match feedback {
+                                Some(ThreadFeedback::Positive) => Color::Accent,
+                                _ => Color::Ignored,
+                            })
+                            .tooltip(Tooltip::text("Helpful Response"))
+                            .on_click(cx.listener(move |this, _, window, cx| {
+                                this.handle_feedback_click(
+                                    ThreadFeedback::Positive,
+                                    window,
+                                    cx,
+                                );
+                            })),
+                    )
+                    .child(
+                        IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
+                            .shape(ui::IconButtonShape::Square)
+                            .icon_size(IconSize::Small)
+                            .icon_color(match feedback {
+                                Some(ThreadFeedback::Negative) => Color::Accent,
+                                _ => Color::Ignored,
+                            })
+                            .tooltip(Tooltip::text("Not Helpful"))
+                            .on_click(cx.listener(move |this, _, window, cx| {
+                                this.handle_feedback_click(
+                                    ThreadFeedback::Negative,
+                                    window,
+                                    cx,
+                                );
+                            })),
+                    )
+            )
+        }
+
+        container.child(open_as_markdown).child(scroll_to_top)
+    }
+
+    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
+        h_flex()
+            .key_context("AgentFeedbackMessageEditor")
+            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
+                this.thread_feedback.dismiss_comments();
+                cx.notify();
+            }))
+            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
+                this.submit_feedback_message(cx);
+            }))
+            .p_2()
+            .mb_2()
+            .mx_5()
+            .gap_1()
+            .rounded_md()
+            .border_1()
+            .border_color(cx.theme().colors().border)
+            .bg(cx.theme().colors().editor_background)
+            .child(div().w_full().child(editor))
+            .child(
+                h_flex()
+                    .child(
+                        IconButton::new("dismiss-feedback-message", IconName::Close)
+                            .icon_color(Color::Error)
+                            .icon_size(IconSize::XSmall)
+                            .shape(ui::IconButtonShape::Square)
+                            .on_click(cx.listener(move |this, _, _window, cx| {
+                                this.thread_feedback.dismiss_comments();
+                                cx.notify();
+                            })),
+                    )
+                    .child(
+                        IconButton::new("submit-feedback-message", IconName::Return)
+                            .icon_size(IconSize::XSmall)
+                            .shape(ui::IconButtonShape::Square)
+                            .on_click(cx.listener(move |this, _, _window, cx| {
+                                this.submit_feedback_message(cx);
+                            })),
+                    ),
+            )
+    }
+
+    fn handle_feedback_click(
+        &mut self,
+        feedback: ThreadFeedback,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let Some(thread) = self.thread().cloned() else {
+            return;
+        };
+
+        self.thread_feedback.submit(thread, feedback, window, cx);
+        cx.notify();
+    }
+
+    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
+        let Some(thread) = self.thread().cloned() else {
+            return;
+        };
+
+        self.thread_feedback.submit_comments(thread, cx);
+        cx.notify();
+    }
+
+    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
+        div()
+            .id("acp-thread-scrollbar")
+            .occlude()
+            .on_mouse_move(cx.listener(|_, _, _, cx| {
+                cx.notify();
+                cx.stop_propagation()
+            }))
+            .on_hover(|_, _, cx| {
+                cx.stop_propagation();
+            })
+            .on_any_mouse_down(|_, _, cx| {
+                cx.stop_propagation();
+            })
+            .on_mouse_up(
+                MouseButton::Left,
+                cx.listener(|_, _, _, cx| {
+                    cx.stop_propagation();
+                }),
+            )
+            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
+                cx.notify();
+            }))
+            .h_full()
+            .absolute()
+            .right_1()
+            .top_1()
+            .bottom_0()
+            .w(px(12.))
+            .cursor_default()
+            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
+    }
+
+    fn render_token_limit_callout(
+        &self,
+        line_height: Pixels,
+        cx: &mut Context<Self>,
+    ) -> Option<Callout> {
+        let token_usage = self.thread()?.read(cx).token_usage()?;
+        let ratio = token_usage.ratio();
+
+        let (severity, title) = match ratio {
+            acp_thread::TokenUsageRatio::Normal => return None,
+            acp_thread::TokenUsageRatio::Warning => {
+                (Severity::Warning, "Thread reaching the token limit soon")
+            }
+            acp_thread::TokenUsageRatio::Exceeded => {
+                (Severity::Error, "Thread reached the token limit")
+            }
+        };
+
+        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
+            thread.read(cx).completion_mode() == CompletionMode::Normal
+                && thread
+                    .read(cx)
+                    .model()
+                    .is_some_and(|model| model.supports_burn_mode())
+        });
+
+        let description = if burn_mode_available {
+            "To continue, start a new thread from a summary or turn Burn Mode on."
+        } else {
+            "To continue, start a new thread from a summary."
+        };
+
+        Some(
+            Callout::new()
+                .severity(severity)
+                .line_height(line_height)
+                .title(title)
+                .description(description)
+                .actions_slot(
+                    h_flex()
+                        .gap_0p5()
+                        .child(
+                            Button::new("start-new-thread", "Start New Thread")
+                                .label_size(LabelSize::Small)
+                                .on_click(cx.listener(|this, _, window, cx| {
+                                    let Some(thread) = this.thread() else {
+                                        return;
+                                    };
+                                    let session_id = thread.read(cx).session_id().clone();
+                                    window.dispatch_action(
+                                        crate::NewNativeAgentThreadFromSummary {
+                                            from_session_id: session_id,
+                                        }
+                                        .boxed_clone(),
+                                        cx,
+                                    );
+                                })),
+                        )
+                        .when(burn_mode_available, |this| {
+                            this.child(
+                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
+                                    .icon_size(IconSize::XSmall)
+                                    .on_click(cx.listener(|this, _event, window, cx| {
+                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
+                                    })),
+                            )
+                        }),
+                ),
+        )
+    }
+
+    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
+        if !self.is_using_zed_ai_models(cx) {
+            return None;
+        }
+
+        let user_store = self.project.read(cx).user_store().read(cx);
+        if user_store.is_usage_based_billing_enabled() {
+            return None;
+        }
+
+        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
+
+        let usage = user_store.model_request_usage()?;
+
+        Some(
+            div()
+                .child(UsageCallout::new(plan, usage))
+                .line_height(line_height),
+        )
+    }
+
+    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
+        self.entry_view_state.update(cx, |entry_view_state, cx| {
+            entry_view_state.settings_changed(cx);
+        });
+    }
+
+    pub(crate) fn insert_dragged_files(
+        &self,
+        paths: Vec<project::ProjectPath>,
+        added_worktrees: Vec<Entity<project::Worktree>>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        self.message_editor.update(cx, |message_editor, cx| {
+            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
+        })
+    }
+
+    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
+        self.message_editor.update(cx, |message_editor, cx| {
+            message_editor.insert_selections(window, cx);
+        })
+    }
+
+    fn render_thread_retry_status_callout(
+        &self,
+        _window: &mut Window,
+        _cx: &mut Context<Self>,
+    ) -> Option<Callout> {
+        let state = self.thread_retry_status.as_ref()?;
+
+        let next_attempt_in = state
+            .duration
+            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
+        if next_attempt_in.is_zero() {
+            return None;
+        }
+
+        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
+
+        let retry_message = if state.max_attempts == 1 {
+            if next_attempt_in_secs == 1 {
+                "Retrying. Next attempt in 1 second.".to_string()
+            } else {
+                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
+            }
+        } else if next_attempt_in_secs == 1 {
+            format!(
+                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
+                state.attempt, state.max_attempts,
+            )
+        } else {
+            format!(
+                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
+                state.attempt, state.max_attempts,
+            )
+        };
+
+        Some(
+            Callout::new()
+                .severity(Severity::Warning)
+                .title(state.last_error.clone())
+                .description(retry_message),
+        )
+    }
+
+    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
+        let content = match self.thread_error.as_ref()? {
+            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
+            ThreadError::AuthenticationRequired(error) => {
+                self.render_authentication_required_error(error.clone(), cx)
+            }
+            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
+            ThreadError::ModelRequestLimitReached(plan) => {
+                self.render_model_request_limit_reached_error(*plan, cx)
+            }
+            ThreadError::ToolUseLimitReached => {
+                self.render_tool_use_limit_reached_error(window, cx)?
+            }
+        };
+
+        Some(div().child(content))
+    }
+
+    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
+        let can_resume = self
+            .thread()
+            .map_or(false, |thread| thread.read(cx).can_resume(cx));
+
+        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
+            let thread = thread.read(cx);
+            let supports_burn_mode = thread
+                .model()
+                .map_or(false, |model| model.supports_burn_mode());
+            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
+        });
+
+        Callout::new()
+            .severity(Severity::Error)
+            .title("Error")
+            .icon(IconName::XCircle)
+            .description(error.clone())
+            .actions_slot(
+                h_flex()
+                    .gap_0p5()
+                    .when(can_resume && can_enable_burn_mode, |this| {
+                        this.child(
+                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
+                                .icon(IconName::ZedBurnMode)
+                                .icon_position(IconPosition::Start)
+                                .icon_size(IconSize::Small)
+                                .label_size(LabelSize::Small)
+                                .on_click(cx.listener(|this, _, window, cx| {
+                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
+                                    this.resume_chat(cx);
+                                })),
+                        )
+                    })
+                    .when(can_resume, |this| {
+                        this.child(
+                            Button::new("retry", "Retry")
+                                .icon(IconName::RotateCw)
+                                .icon_position(IconPosition::Start)
+                                .icon_size(IconSize::Small)
+                                .label_size(LabelSize::Small)
+                                .on_click(cx.listener(|this, _, _window, cx| {
+                                    this.resume_chat(cx);
+                                })),
+                        )
+                    })
+                    .child(self.create_copy_button(error.to_string())),
+            )
+            .dismiss_action(self.dismiss_error_button(cx))
+    }
+
+    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
+        const ERROR_MESSAGE: &str =
+            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
+
+        Callout::new()
+            .severity(Severity::Error)
+            .icon(IconName::XCircle)
+            .title("Free Usage Exceeded")
+            .description(ERROR_MESSAGE)
+            .actions_slot(
+                h_flex()
+                    .gap_0p5()
+                    .child(self.upgrade_button(cx))
+                    .child(self.create_copy_button(ERROR_MESSAGE)),
+            )
+            .dismiss_action(self.dismiss_error_button(cx))
+    }
+
+    fn render_authentication_required_error(
+        &self,
+        error: SharedString,
+        cx: &mut Context<Self>,
+    ) -> Callout {
+        Callout::new()
+            .severity(Severity::Error)
+            .title("Authentication Required")
+            .icon(IconName::XCircle)
+            .description(error.clone())
+            .actions_slot(
+                h_flex()
+                    .gap_0p5()
+                    .child(self.authenticate_button(cx))
+                    .child(self.create_copy_button(error)),
+            )
+            .dismiss_action(self.dismiss_error_button(cx))
+    }
+
+    fn render_model_request_limit_reached_error(
+        &self,
+        plan: cloud_llm_client::Plan,
+        cx: &mut Context<Self>,
+    ) -> Callout {
+        let error_message = match plan {
+            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
+            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
+                "Upgrade to Zed Pro for more prompts."
+            }
+        };
+
+        Callout::new()
+            .severity(Severity::Error)
+            .title("Model Prompt Limit Reached")
+            .icon(IconName::XCircle)
+            .description(error_message)
+            .actions_slot(
+                h_flex()
+                    .gap_0p5()
+                    .child(self.upgrade_button(cx))
+                    .child(self.create_copy_button(error_message)),
+            )
+            .dismiss_action(self.dismiss_error_button(cx))
+    }
+
+    fn render_tool_use_limit_reached_error(
+        &self,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Option<Callout> {
+        let thread = self.as_native_thread(cx)?;
+        let supports_burn_mode = thread
+            .read(cx)
+            .model()
+            .is_some_and(|model| model.supports_burn_mode());
+
+        let focus_handle = self.focus_handle(cx);
+
+        Some(
+            Callout::new()
+                .icon(IconName::Info)
+                .title("Consecutive tool use limit reached.")
+                .actions_slot(
+                    h_flex()
+                        .gap_0p5()
+                        .when(supports_burn_mode, |this| {
+                            this.child(
+                                Button::new("continue-burn-mode", "Continue with Burn Mode")
+                                    .style(ButtonStyle::Filled)
+                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
+                                    .layer(ElevationIndex::ModalSurface)
+                                    .label_size(LabelSize::Small)
+                                    .key_binding(
+                                        KeyBinding::for_action_in(
+                                            &ContinueWithBurnMode,
+                                            &focus_handle,
+                                            window,
+                                            cx,
+                                        )
+                                        .map(|kb| kb.size(rems_from_px(10.))),
+                                    )
+                                    .tooltip(Tooltip::text(
+                                        "Enable Burn Mode for unlimited tool use.",
+                                    ))
+                                    .on_click({
+                                        cx.listener(move |this, _, _window, cx| {
+                                            thread.update(cx, |thread, cx| {
+                                                thread
+                                                    .set_completion_mode(CompletionMode::Burn, cx);
+                                            });
+                                            this.resume_chat(cx);
+                                        })
+                                    }),
+                            )
+                        })
+                        .child(
+                            Button::new("continue-conversation", "Continue")
+                                .layer(ElevationIndex::ModalSurface)
+                                .label_size(LabelSize::Small)
+                                .key_binding(
+                                    KeyBinding::for_action_in(
+                                        &ContinueThread,
+                                        &focus_handle,
+                                        window,
+                                        cx,
+                                    )
+                                    .map(|kb| kb.size(rems_from_px(10.))),
+                                )
+                                .on_click(cx.listener(|this, _, _window, cx| {
+                                    this.resume_chat(cx);
+                                })),
+                        ),
+                ),
+        )
+    }
+
+    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
+        let message = message.into();
+
+        IconButton::new("copy", IconName::Copy)
+            .icon_size(IconSize::Small)
+            .icon_color(Color::Muted)
+            .tooltip(Tooltip::text("Copy Error Message"))
+            .on_click(move |_, _, cx| {
+                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
+            })
+    }
+
+    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
+        IconButton::new("dismiss", IconName::Close)
+            .icon_size(IconSize::Small)
+            .icon_color(Color::Muted)
+            .tooltip(Tooltip::text("Dismiss Error"))
+            .on_click(cx.listener({
+                move |this, _, _, cx| {
+                    this.clear_thread_error(cx);
+                    cx.notify();
+                }
+            }))
+    }
+
+    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
+        Button::new("authenticate", "Authenticate")
+            .label_size(LabelSize::Small)
+            .style(ButtonStyle::Filled)
+            .on_click(cx.listener({
+                move |this, _, window, cx| {
+                    let agent = this.agent.clone();
+                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
+                        return;
+                    };
+
+                    let connection = thread.read(cx).connection().clone();
+                    let err = AuthRequired {
+                        description: None,
+                        provider_id: None,
+                    };
+                    this.clear_thread_error(cx);
+                    let this = cx.weak_entity();
+                    window.defer(cx, |window, cx| {
+                        Self::handle_auth_required(this, err, agent, connection, window, cx);
+                    })
+                }
+            }))
+    }
+
+    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let agent = self.agent.clone();
+        let ThreadState::Ready { thread, .. } = &self.thread_state else {
+            return;
+        };
+
+        let connection = thread.read(cx).connection().clone();
+        let err = AuthRequired {
+            description: None,
+            provider_id: None,
+        };
+        self.clear_thread_error(cx);
+        let this = cx.weak_entity();
+        window.defer(cx, |window, cx| {
+            Self::handle_auth_required(this, err, agent, connection, window, cx);
+        })
+    }
+
+    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
+        Button::new("upgrade", "Upgrade")
+            .label_size(LabelSize::Small)
+            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
+            .on_click(cx.listener({
+                move |this, _, _, cx| {
+                    this.clear_thread_error(cx);
+                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
+                }
+            }))
+    }
+
+    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        self.thread_state = Self::initial_state(
+            self.agent.clone(),
+            None,
+            self.workspace.clone(),
+            self.project.clone(),
+            window,
+            cx,
+        );
+        cx.notify();
+    }
+
+    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
+        let task = match entry {
+            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
+                history.delete_thread(thread.id.clone(), cx)
+            }),
+            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
+                history.delete_text_thread(context.path.clone(), cx)
+            }),
+        };
+        task.detach_and_log_err(cx);
+    }
+}
+
+fn loading_contents_spinner(size: IconSize) -> AnyElement {
+    Icon::new(IconName::LoadCircle)
+        .size(size)
+        .color(Color::Accent)
+        .with_animation(
+            "load_context_circle",
+            Animation::new(Duration::from_secs(3)).repeat(),
+            |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
+        )
+        .into_any_element()
+}
+
+impl Focusable for AcpThreadView {
+    fn focus_handle(&self, cx: &App) -> FocusHandle {
+        match self.thread_state {
+            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
+                self.message_editor.focus_handle(cx)
+            }
+            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
+                self.focus_handle.clone()
+            }
+        }
+    }
+}
+
+impl Render for AcpThreadView {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let has_messages = self.list_state.item_count() > 0;
+        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
+
         v_flex()
             .size_full()
             .key_context("AcpThread")
-            .on_action(cx.listener(Self::chat))
-            .on_action(cx.listener(Self::previous_history_message))
-            .on_action(cx.listener(Self::next_history_message))
             .on_action(cx.listener(Self::open_agent_diff))
+            .on_action(cx.listener(Self::toggle_burn_mode))
+            .on_action(cx.listener(Self::keep_all))
+            .on_action(cx.listener(Self::reject_all))
+            .track_focus(&self.focus_handle)
+            .bg(cx.theme().colors().panel_background)
             .child(match &self.thread_state {
-                ThreadState::Unauthenticated { .. } => {
-                    v_flex()
-                        .p_2()
-                        .flex_1()
-                        .items_center()
-                        .justify_center()
-                        .child(self.render_pending_auth_state())
-                        .child(
-                            h_flex().mt_1p5().justify_center().child(
-                                Button::new("sign-in", format!("Sign in to {}", self.agent.name()))
-                                    .on_click(cx.listener(|this, _, window, cx| {
-                                        this.authenticate(window, cx)
-                                    })),
-                            ),
-                        )
-                }
-                ThreadState::Loading { .. } => v_flex().flex_1().child(self.render_empty_state(cx)),
-                ThreadState::LoadError(e) => v_flex()
-                    .p_2()
+                ThreadState::Unauthenticated {
+                    connection,
+                    description,
+                    configuration_view,
+                    pending_auth_method,
+                    ..
+                } => self.render_auth_required_state(
+                    connection,
+                    description.as_ref(),
+                    configuration_view.as_ref(),
+                    pending_auth_method.as_ref(),
+                    window,
+                    cx,
+                ),
+                ThreadState::Loading { .. } => v_flex()
                     .flex_1()
+                    .child(self.render_recent_history(window, cx)),
+                ThreadState::LoadError(e) => v_flex()
+                    .flex_1()
+                    .size_full()
                     .items_center()
-                    .justify_center()
-                    .child(self.render_error_state(e, cx)),
-                ThreadState::Ready { thread, .. } => v_flex().flex_1().map(|this| {
-                    if self.list_state.item_count() > 0 {
+                    .justify_end()
+                    .child(self.render_load_error(e, cx)),
+                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
+                    if has_messages {
                         this.child(
-                            list(self.list_state.clone())
-                                .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
-                                .flex_grow()
-                                .into_any(),
+                            list(
+                                self.list_state.clone(),
+                                cx.processor(|this, index: usize, window, cx| {
+                                    let Some((entry, len)) = this.thread().and_then(|thread| {
+                                        let entries = &thread.read(cx).entries();
+                                        Some((entries.get(index)?, entries.len()))
+                                    }) else {
+                                        return Empty.into_any();
+                                    };
+                                    this.render_entry(index, len, entry, window, cx)
+                                }),
+                            )
+                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
+                            .flex_grow()
+                            .into_any(),
                         )
-                        .child(
-                            h_flex()
-                                .group("controls")
-                                .mt_1()
-                                .mr_1()
-                                .py_2()
-                                .px(RESPONSE_PADDING_X)
-                                .opacity(0.4)
-                                .hover(|style| style.opacity(1.))
-                                .flex_wrap()
-                                .justify_end()
-                                .child(open_as_markdown)
-                                .child(scroll_to_top)
-                                .into_any_element(),
-                        )
-                        .children(match thread.read(cx).status() {
-                            ThreadStatus::Idle | ThreadStatus::WaitingForToolConfirmation => None,
-                            ThreadStatus::Generating => div()
-                                .px_5()
-                                .py_2()
-                                .child(LoadingLabel::new("").size(LabelSize::Small))
-                                .into(),
-                        })
-                        .children(self.render_activity_bar(&thread, window, cx))
+                        .child(self.render_vertical_scrollbar(cx))
                     } else {
-                        this.child(self.render_empty_state(cx))
+                        this.child(self.render_recent_history(window, cx))
                     }
                 }),
             })
-            .when_some(self.last_error.clone(), |el, error| {
-                el.child(
-                    div()
-                        .p_2()
-                        .text_xs()
-                        .border_t_1()
-                        .border_color(cx.theme().colors().border)
-                        .bg(cx.theme().status().error_background)
-                        .child(
-                            self.render_markdown(error, default_markdown_style(false, window, cx)),
-                        ),
-                )
+            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
+            // above so that the scrollbar doesn't render behind it. The current setup allows
+            // the scrollbar to stop exactly at the activity bar start.
+            .when(has_messages, |this| match &self.thread_state {
+                ThreadState::Ready { thread, .. } => {
+                    this.children(self.render_activity_bar(thread, window, cx))
+                }
+                _ => this,
             })
+            .children(self.render_thread_retry_status_callout(window, cx))
+            .children(self.render_thread_error(window, cx))
+            .children(
+                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
+                    Some(usage_callout.into_any_element())
+                } else {
+                    self.render_token_limit_callout(line_height, cx)
+                        .map(|token_limit_callout| token_limit_callout.into_any_element())
+                },
+            )
             .child(self.render_message_editor(window, cx))
     }
 }
 
-fn user_message_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
-    let mut style = default_markdown_style(false, window, cx);
-    let mut text_style = window.text_style();
-    let theme_settings = ThemeSettings::get_global(cx);
-
-    let buffer_font = theme_settings.buffer_font.family.clone();
-    let buffer_font_size = TextSize::Small.rems(cx);
-
-    text_style.refine(&TextStyleRefinement {
-        font_family: Some(buffer_font),
-        font_size: Some(buffer_font_size.into()),
-        ..Default::default()
-    });
-
-    style.base_text_style = text_style;
-    style.link_callback = Some(Rc::new(move |url, cx| {
-        if MentionPath::try_parse(url).is_some() {
-            let colors = cx.theme().colors();
-            Some(TextStyleRefinement {
-                background_color: Some(colors.element_background),
-                ..Default::default()
-            })
-        } else {
-            None
-        }
-    }));
-    style
-}
-
-fn default_markdown_style(buffer_font: bool, window: &Window, cx: &App) -> MarkdownStyle {
+fn default_markdown_style(
+    buffer_font: bool,
+    muted_text: bool,
+    window: &Window,
+    cx: &App,
+) -> MarkdownStyle {
     let theme_settings = ThemeSettings::get_global(cx);
     let colors = cx.theme().colors();
 
@@ -2324,20 +4957,26 @@ fn default_markdown_style(buffer_font: bool, window: &Window, cx: &App) -> Markd
         TextSize::Default.rems(cx)
     };
 
+    let text_color = if muted_text {
+        colors.text_muted
+    } else {
+        colors.text
+    };
+
     text_style.refine(&TextStyleRefinement {
         font_family: Some(font_family),
         font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
         font_features: Some(theme_settings.ui_font.features.clone()),
         font_size: Some(font_size.into()),
         line_height: Some(line_height.into()),
-        color: Some(cx.theme().colors().text),
+        color: Some(text_color),
         ..Default::default()
     });
 
     MarkdownStyle {
         base_text_style: text_style.clone(),
         syntax: cx.theme().syntax().clone(),
-        selection_background_color: cx.theme().colors().element_selection_background,
+        selection_background_color: colors.element_selection_background,
         code_block_overflow_x_scroll: true,
         table_overflow_x_scroll: true,
         heading_level_styles: Some(HeadingLevelStyles {
@@ -2423,7 +5062,7 @@ fn plan_label_markdown_style(
     window: &Window,
     cx: &App,
 ) -> MarkdownStyle {
-    let default_md_style = default_markdown_style(false, window, cx);
+    let default_md_style = default_markdown_style(false, false, window, cx);
 
     MarkdownStyle {
         base_text_style: TextStyle {
@@ -2441,3 +5080,913 @@ fn plan_label_markdown_style(
         ..default_md_style
     }
 }
+
+fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
+    let default_md_style = default_markdown_style(true, false, window, cx);
+
+    MarkdownStyle {
+        base_text_style: TextStyle {
+            ..default_md_style.base_text_style
+        },
+        selection_background_color: cx.theme().colors().element_selection_background,
+        ..Default::default()
+    }
+}
+
+#[cfg(test)]
+pub(crate) mod tests {
+    use acp_thread::StubAgentConnection;
+    use agent_client_protocol::SessionId;
+    use assistant_context::ContextStore;
+    use editor::EditorSettings;
+    use fs::FakeFs;
+    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
+    use project::Project;
+    use serde_json::json;
+    use settings::SettingsStore;
+    use std::any::Any;
+    use std::path::Path;
+    use workspace::Item;
+
+    use super::*;
+
+    #[gpui::test]
+    async fn test_drop(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
+        let weak_view = thread_view.downgrade();
+        drop(thread_view);
+        assert!(!weak_view.is_upgradable());
+    }
+
+    #[gpui::test]
+    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
+
+        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
+        message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Hello", window, cx);
+        });
+
+        cx.deactivate_window();
+
+        thread_view.update_in(cx, |thread_view, window, cx| {
+            thread_view.send(window, cx);
+        });
+
+        cx.run_until_parked();
+
+        assert!(
+            cx.windows()
+                .iter()
+                .any(|window| window.downcast::<AgentNotification>().is_some())
+        );
+    }
+
+    #[gpui::test]
+    async fn test_notification_for_error(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let (thread_view, cx) =
+            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
+
+        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
+        message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Hello", window, cx);
+        });
+
+        cx.deactivate_window();
+
+        thread_view.update_in(cx, |thread_view, window, cx| {
+            thread_view.send(window, cx);
+        });
+
+        cx.run_until_parked();
+
+        assert!(
+            cx.windows()
+                .iter()
+                .any(|window| window.downcast::<AgentNotification>().is_some())
+        );
+    }
+
+    #[gpui::test]
+    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let tool_call_id = acp::ToolCallId("1".into());
+        let tool_call = acp::ToolCall {
+            id: tool_call_id.clone(),
+            title: "Label".into(),
+            kind: acp::ToolKind::Edit,
+            status: acp::ToolCallStatus::Pending,
+            content: vec!["hi".into()],
+            locations: vec![],
+            raw_input: None,
+            raw_output: None,
+        };
+        let connection =
+            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
+                tool_call_id,
+                vec![acp::PermissionOption {
+                    id: acp::PermissionOptionId("1".into()),
+                    name: "Allow".into(),
+                    kind: acp::PermissionOptionKind::AllowOnce,
+                }],
+            )]));
+
+        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
+
+        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
+
+        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
+        message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Hello", window, cx);
+        });
+
+        cx.deactivate_window();
+
+        thread_view.update_in(cx, |thread_view, window, cx| {
+            thread_view.send(window, cx);
+        });
+
+        cx.run_until_parked();
+
+        assert!(
+            cx.windows()
+                .iter()
+                .any(|window| window.downcast::<AgentNotification>().is_some())
+        );
+    }
+
+    async fn setup_thread_view(
+        agent: impl AgentServer + 'static,
+        cx: &mut TestAppContext,
+    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
+        let fs = FakeFs::new(cx.executor());
+        let project = Project::test(fs, [], cx).await;
+        let (workspace, cx) =
+            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
+
+        let context_store =
+            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
+        let history_store =
+            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
+
+        let thread_view = cx.update(|window, cx| {
+            cx.new(|cx| {
+                AcpThreadView::new(
+                    Rc::new(agent),
+                    None,
+                    None,
+                    workspace.downgrade(),
+                    project,
+                    history_store,
+                    None,
+                    window,
+                    cx,
+                )
+            })
+        });
+        cx.run_until_parked();
+        (thread_view, cx)
+    }
+
+    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
+        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
+
+        workspace
+            .update_in(cx, |workspace, window, cx| {
+                workspace.add_item_to_active_pane(
+                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
+                    None,
+                    true,
+                    window,
+                    cx,
+                );
+            })
+            .unwrap();
+    }
+
+    struct ThreadViewItem(Entity<AcpThreadView>);
+
+    impl Item for ThreadViewItem {
+        type Event = ();
+
+        fn include_in_nav_history() -> bool {
+            false
+        }
+
+        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
+            "Test".into()
+        }
+    }
+
+    impl EventEmitter<()> for ThreadViewItem {}
+
+    impl Focusable for ThreadViewItem {
+        fn focus_handle(&self, cx: &App) -> FocusHandle {
+            self.0.read(cx).focus_handle(cx)
+        }
+    }
+
+    impl Render for ThreadViewItem {
+        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+            self.0.clone().into_any_element()
+        }
+    }
+
+    struct StubAgentServer<C> {
+        connection: C,
+    }
+
+    impl<C> StubAgentServer<C> {
+        fn new(connection: C) -> Self {
+            Self { connection }
+        }
+    }
+
+    impl StubAgentServer<StubAgentConnection> {
+        fn default_response() -> Self {
+            let conn = StubAgentConnection::new();
+            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
+                content: "Default response".into(),
+            }]);
+            Self::new(conn)
+        }
+    }
+
+    impl<C> AgentServer for StubAgentServer<C>
+    where
+        C: 'static + AgentConnection + Send + Clone,
+    {
+        fn telemetry_id(&self) -> &'static str {
+            "test"
+        }
+
+        fn logo(&self) -> ui::IconName {
+            ui::IconName::Ai
+        }
+
+        fn name(&self) -> SharedString {
+            "Test".into()
+        }
+
+        fn empty_state_headline(&self) -> SharedString {
+            "Test".into()
+        }
+
+        fn empty_state_message(&self) -> SharedString {
+            "Test".into()
+        }
+
+        fn connect(
+            &self,
+            _root_dir: &Path,
+            _project: &Entity<Project>,
+            _cx: &mut App,
+        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
+            Task::ready(Ok(Rc::new(self.connection.clone())))
+        }
+
+        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
+            self
+        }
+    }
+
+    #[derive(Clone)]
+    struct SaboteurAgentConnection;
+
+    impl AgentConnection for SaboteurAgentConnection {
+        fn new_thread(
+            self: Rc<Self>,
+            project: Entity<Project>,
+            _cwd: &Path,
+            cx: &mut gpui::App,
+        ) -> Task<gpui::Result<Entity<AcpThread>>> {
+            Task::ready(Ok(cx.new(|cx| {
+                let action_log = cx.new(|_| ActionLog::new(project.clone()));
+                AcpThread::new(
+                    "SaboteurAgentConnection",
+                    self,
+                    project,
+                    action_log,
+                    SessionId("test".into()),
+                    watch::Receiver::constant(acp::PromptCapabilities {
+                        image: true,
+                        audio: true,
+                        embedded_context: true,
+                    }),
+                    cx,
+                )
+            })))
+        }
+
+        fn auth_methods(&self) -> &[acp::AuthMethod] {
+            &[]
+        }
+
+        fn authenticate(
+            &self,
+            _method_id: acp::AuthMethodId,
+            _cx: &mut App,
+        ) -> Task<gpui::Result<()>> {
+            unimplemented!()
+        }
+
+        fn prompt(
+            &self,
+            _id: Option<acp_thread::UserMessageId>,
+            _params: acp::PromptRequest,
+            _cx: &mut App,
+        ) -> Task<gpui::Result<acp::PromptResponse>> {
+            Task::ready(Err(anyhow::anyhow!("Error prompting")))
+        }
+
+        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
+            unimplemented!()
+        }
+
+        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
+            self
+        }
+    }
+
+    pub(crate) fn init_test(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            Project::init_settings(cx);
+            AgentSettings::register(cx);
+            workspace::init_settings(cx);
+            ThemeSettings::register(cx);
+            release_channel::init(SemanticVersion::default(), cx);
+            EditorSettings::register(cx);
+            prompt_store::init(cx)
+        });
+    }
+
+    #[gpui::test]
+    async fn test_rewind_views(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            "/project",
+            json!({
+                "test1.txt": "old content 1",
+                "test2.txt": "old content 2"
+            }),
+        )
+        .await;
+        let project = Project::test(fs, [Path::new("/project")], cx).await;
+        let (workspace, cx) =
+            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
+
+        let context_store =
+            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
+        let history_store =
+            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
+
+        let connection = Rc::new(StubAgentConnection::new());
+        let thread_view = cx.update(|window, cx| {
+            cx.new(|cx| {
+                AcpThreadView::new(
+                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
+                    None,
+                    None,
+                    workspace.downgrade(),
+                    project.clone(),
+                    history_store.clone(),
+                    None,
+                    window,
+                    cx,
+                )
+            })
+        });
+
+        cx.run_until_parked();
+
+        let thread = thread_view
+            .read_with(cx, |view, _| view.thread().cloned())
+            .unwrap();
+
+        // First user message
+        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
+            id: acp::ToolCallId("tool1".into()),
+            title: "Edit file 1".into(),
+            kind: acp::ToolKind::Edit,
+            status: acp::ToolCallStatus::Completed,
+            content: vec![acp::ToolCallContent::Diff {
+                diff: acp::Diff {
+                    path: "/project/test1.txt".into(),
+                    old_text: Some("old content 1".into()),
+                    new_text: "new content 1".into(),
+                },
+            }],
+            locations: vec![],
+            raw_input: None,
+            raw_output: None,
+        })]);
+
+        thread
+            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
+            .await
+            .unwrap();
+        cx.run_until_parked();
+
+        thread.read_with(cx, |thread, _| {
+            assert_eq!(thread.entries().len(), 2);
+        });
+
+        thread_view.read_with(cx, |view, cx| {
+            view.entry_view_state.read_with(cx, |entry_view_state, _| {
+                assert!(
+                    entry_view_state
+                        .entry(0)
+                        .unwrap()
+                        .message_editor()
+                        .is_some()
+                );
+                assert!(entry_view_state.entry(1).unwrap().has_content());
+            });
+        });
+
+        // Second user message
+        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
+            id: acp::ToolCallId("tool2".into()),
+            title: "Edit file 2".into(),
+            kind: acp::ToolKind::Edit,
+            status: acp::ToolCallStatus::Completed,
+            content: vec![acp::ToolCallContent::Diff {
+                diff: acp::Diff {
+                    path: "/project/test2.txt".into(),
+                    old_text: Some("old content 2".into()),
+                    new_text: "new content 2".into(),
+                },
+            }],
+            locations: vec![],
+            raw_input: None,
+            raw_output: None,
+        })]);
+
+        thread
+            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
+            .await
+            .unwrap();
+        cx.run_until_parked();
+
+        let second_user_message_id = thread.read_with(cx, |thread, _| {
+            assert_eq!(thread.entries().len(), 4);
+            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
+                panic!();
+            };
+            user_message.id.clone().unwrap()
+        });
+
+        thread_view.read_with(cx, |view, cx| {
+            view.entry_view_state.read_with(cx, |entry_view_state, _| {
+                assert!(
+                    entry_view_state
+                        .entry(0)
+                        .unwrap()
+                        .message_editor()
+                        .is_some()
+                );
+                assert!(entry_view_state.entry(1).unwrap().has_content());
+                assert!(
+                    entry_view_state
+                        .entry(2)
+                        .unwrap()
+                        .message_editor()
+                        .is_some()
+                );
+                assert!(entry_view_state.entry(3).unwrap().has_content());
+            });
+        });
+
+        // Rewind to first message
+        thread
+            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
+            .await
+            .unwrap();
+
+        cx.run_until_parked();
+
+        thread.read_with(cx, |thread, _| {
+            assert_eq!(thread.entries().len(), 2);
+        });
+
+        thread_view.read_with(cx, |view, cx| {
+            view.entry_view_state.read_with(cx, |entry_view_state, _| {
+                assert!(
+                    entry_view_state
+                        .entry(0)
+                        .unwrap()
+                        .message_editor()
+                        .is_some()
+                );
+                assert!(entry_view_state.entry(1).unwrap().has_content());
+
+                // Old views should be dropped
+                assert!(entry_view_state.entry(2).is_none());
+                assert!(entry_view_state.entry(3).is_none());
+            });
+        });
+    }
+
+    #[gpui::test]
+    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let connection = StubAgentConnection::new();
+
+        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
+            content: acp::ContentBlock::Text(acp::TextContent {
+                text: "Response".into(),
+                annotations: None,
+            }),
+        }]);
+
+        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
+        add_to_workspace(thread_view.clone(), cx);
+
+        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
+        message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Original message to edit", window, cx);
+        });
+        thread_view.update_in(cx, |thread_view, window, cx| {
+            thread_view.send(window, cx);
+        });
+
+        cx.run_until_parked();
+
+        let user_message_editor = thread_view.read_with(cx, |view, cx| {
+            assert_eq!(view.editing_message, None);
+
+            view.entry_view_state
+                .read(cx)
+                .entry(0)
+                .unwrap()
+                .message_editor()
+                .unwrap()
+                .clone()
+        });
+
+        // Focus
+        cx.focus(&user_message_editor);
+        thread_view.read_with(cx, |view, _cx| {
+            assert_eq!(view.editing_message, Some(0));
+        });
+
+        // Edit
+        user_message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Edited message content", window, cx);
+        });
+
+        // Cancel
+        user_message_editor.update_in(cx, |_editor, window, cx| {
+            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
+        });
+
+        thread_view.read_with(cx, |view, _cx| {
+            assert_eq!(view.editing_message, None);
+        });
+
+        user_message_editor.read_with(cx, |editor, cx| {
+            assert_eq!(editor.text(cx), "Original message to edit");
+        });
+    }
+
+    #[gpui::test]
+    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let connection = StubAgentConnection::new();
+
+        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
+        add_to_workspace(thread_view.clone(), cx);
+
+        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
+        let mut events = cx.events(&message_editor);
+        message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("", window, cx);
+        });
+
+        message_editor.update_in(cx, |_editor, window, cx| {
+            window.dispatch_action(Box::new(Chat), cx);
+        });
+        cx.run_until_parked();
+        // We shouldn't have received any messages
+        assert!(matches!(
+            events.try_next(),
+            Err(futures::channel::mpsc::TryRecvError { .. })
+        ));
+    }
+
+    #[gpui::test]
+    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let connection = StubAgentConnection::new();
+
+        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
+            content: acp::ContentBlock::Text(acp::TextContent {
+                text: "Response".into(),
+                annotations: None,
+            }),
+        }]);
+
+        let (thread_view, cx) =
+            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
+        add_to_workspace(thread_view.clone(), cx);
+
+        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
+        message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Original message to edit", window, cx);
+        });
+        thread_view.update_in(cx, |thread_view, window, cx| {
+            thread_view.send(window, cx);
+        });
+
+        cx.run_until_parked();
+
+        let user_message_editor = thread_view.read_with(cx, |view, cx| {
+            assert_eq!(view.editing_message, None);
+            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
+
+            view.entry_view_state
+                .read(cx)
+                .entry(0)
+                .unwrap()
+                .message_editor()
+                .unwrap()
+                .clone()
+        });
+
+        // Focus
+        cx.focus(&user_message_editor);
+
+        // Edit
+        user_message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Edited message content", window, cx);
+        });
+
+        // Send
+        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
+            content: acp::ContentBlock::Text(acp::TextContent {
+                text: "New Response".into(),
+                annotations: None,
+            }),
+        }]);
+
+        user_message_editor.update_in(cx, |_editor, window, cx| {
+            window.dispatch_action(Box::new(Chat), cx);
+        });
+
+        cx.run_until_parked();
+
+        thread_view.read_with(cx, |view, cx| {
+            assert_eq!(view.editing_message, None);
+
+            let entries = view.thread().unwrap().read(cx).entries();
+            assert_eq!(entries.len(), 2);
+            assert_eq!(
+                entries[0].to_markdown(cx),
+                "## User\n\nEdited message content\n\n"
+            );
+            assert_eq!(
+                entries[1].to_markdown(cx),
+                "## Assistant\n\nNew Response\n\n"
+            );
+
+            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
+                assert!(!state.entry(1).unwrap().has_content());
+                state.entry(0).unwrap().message_editor().unwrap().clone()
+            });
+
+            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
+        })
+    }
+
+    #[gpui::test]
+    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let connection = StubAgentConnection::new();
+
+        let (thread_view, cx) =
+            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
+        add_to_workspace(thread_view.clone(), cx);
+
+        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
+        message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Original message to edit", window, cx);
+        });
+        thread_view.update_in(cx, |thread_view, window, cx| {
+            thread_view.send(window, cx);
+        });
+
+        cx.run_until_parked();
+
+        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
+            let thread = view.thread().unwrap().read(cx);
+            assert_eq!(thread.entries().len(), 1);
+
+            let editor = view
+                .entry_view_state
+                .read(cx)
+                .entry(0)
+                .unwrap()
+                .message_editor()
+                .unwrap()
+                .clone();
+
+            (editor, thread.session_id().clone())
+        });
+
+        // Focus
+        cx.focus(&user_message_editor);
+
+        thread_view.read_with(cx, |view, _cx| {
+            assert_eq!(view.editing_message, Some(0));
+        });
+
+        // Edit
+        user_message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Edited message content", window, cx);
+        });
+
+        thread_view.read_with(cx, |view, _cx| {
+            assert_eq!(view.editing_message, Some(0));
+        });
+
+        // Finish streaming response
+        cx.update(|_, cx| {
+            connection.send_update(
+                session_id.clone(),
+                acp::SessionUpdate::AgentMessageChunk {
+                    content: acp::ContentBlock::Text(acp::TextContent {
+                        text: "Response".into(),
+                        annotations: None,
+                    }),
+                },
+                cx,
+            );
+            connection.end_turn(session_id, acp::StopReason::EndTurn);
+        });
+
+        thread_view.read_with(cx, |view, _cx| {
+            assert_eq!(view.editing_message, Some(0));
+        });
+
+        cx.run_until_parked();
+
+        // Should still be editing
+        cx.update(|window, cx| {
+            assert!(user_message_editor.focus_handle(cx).is_focused(window));
+            assert_eq!(thread_view.read(cx).editing_message, Some(0));
+            assert_eq!(
+                user_message_editor.read(cx).text(cx),
+                "Edited message content"
+            );
+        });
+    }
+
+    #[gpui::test]
+    async fn test_interrupt(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let connection = StubAgentConnection::new();
+
+        let (thread_view, cx) =
+            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
+        add_to_workspace(thread_view.clone(), cx);
+
+        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
+        message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Message 1", window, cx);
+        });
+        thread_view.update_in(cx, |thread_view, window, cx| {
+            thread_view.send(window, cx);
+        });
+
+        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
+            let thread = view.thread().unwrap();
+
+            (thread.clone(), thread.read(cx).session_id().clone())
+        });
+
+        cx.run_until_parked();
+
+        cx.update(|_, cx| {
+            connection.send_update(
+                session_id.clone(),
+                acp::SessionUpdate::AgentMessageChunk {
+                    content: "Message 1 resp".into(),
+                },
+                cx,
+            );
+        });
+
+        cx.run_until_parked();
+
+        thread.read_with(cx, |thread, cx| {
+            assert_eq!(
+                thread.to_markdown(cx),
+                indoc::indoc! {"
+                    ## User
+
+                    Message 1
+
+                    ## Assistant
+
+                    Message 1 resp
+
+                "}
+            )
+        });
+
+        message_editor.update_in(cx, |editor, window, cx| {
+            editor.set_text("Message 2", window, cx);
+        });
+        thread_view.update_in(cx, |thread_view, window, cx| {
+            thread_view.send(window, cx);
+        });
+
+        cx.update(|_, cx| {
+            // Simulate a response sent after beginning to cancel
+            connection.send_update(
+                session_id.clone(),
+                acp::SessionUpdate::AgentMessageChunk {
+                    content: "onse".into(),
+                },
+                cx,
+            );
+        });
+
+        cx.run_until_parked();
+
+        // Last Message 1 response should appear before Message 2
+        thread.read_with(cx, |thread, cx| {
+            assert_eq!(
+                thread.to_markdown(cx),
+                indoc::indoc! {"
+                    ## User
+
+                    Message 1
+
+                    ## Assistant
+
+                    Message 1 response
+
+                    ## User
+
+                    Message 2
+
+                "}
+            )
+        });
+
+        cx.update(|_, cx| {
+            connection.send_update(
+                session_id.clone(),
+                acp::SessionUpdate::AgentMessageChunk {
+                    content: "Message 2 response".into(),
+                },
+                cx,
+            );
+            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
+        });
+
+        cx.run_until_parked();
+
+        thread.read_with(cx, |thread, cx| {
+            assert_eq!(
+                thread.to_markdown(cx),
+                indoc::indoc! {"
+                    ## User
+
+                    Message 1
+
+                    ## Assistant
+
+                    Message 1 response
+
+                    ## User
+
+                    Message 2
+
+                    ## Assistant
+
+                    Message 2 response
+
+                "}
+            )
+        });
+    }
+}
diff --git a/crates/agent_ui/src/active_thread.rs b/crates/agent_ui/src/active_thread.rs
index 04a093c7d0..e0cecad6e2 100644
--- a/crates/agent_ui/src/active_thread.rs
+++ b/crates/agent_ui/src/active_thread.rs
@@ -69,8 +69,6 @@ pub struct ActiveThread {
     messages: Vec<MessageId>,
     list_state: ListState,
     scrollbar_state: ScrollbarState,
-    show_scrollbar: bool,
-    hide_scrollbar_task: Option<Task<()>>,
     rendered_messages_by_id: HashMap<MessageId, RenderedMessage>,
     rendered_tool_uses: HashMap<LanguageModelToolUseId, RenderedToolUse>,
     editing_message: Option<(MessageId, EditingMessageState)>,
@@ -436,7 +434,7 @@ fn render_markdown_code_block(
                             .child(content)
                             .child(
                                 Icon::new(IconName::ArrowUpRight)
-                                    .size(IconSize::XSmall)
+                                    .size(IconSize::Small)
                                     .color(Color::Ignored),
                             ),
                     )
@@ -493,7 +491,7 @@ fn render_markdown_code_block(
             .on_click({
                 let active_thread = active_thread.clone();
                 let parsed_markdown = parsed_markdown.clone();
-                let code_block_range = metadata.content_range.clone();
+                let code_block_range = metadata.content_range;
                 move |_event, _window, cx| {
                     active_thread.update(cx, |this, cx| {
                         this.copied_code_block_ids.insert((message_id, ix));
@@ -534,7 +532,6 @@ fn render_markdown_code_block(
                 "Expand Code"
             }))
             .on_click({
-                let active_thread = active_thread.clone();
                 move |_event, _window, cx| {
                     active_thread.update(cx, |this, cx| {
                         this.toggle_codeblock_expanded(message_id, ix);
@@ -780,21 +777,13 @@ impl ActiveThread {
             cx.observe_global::<SettingsStore>(|_, cx| cx.notify()),
         ];
 
-        let list_state = ListState::new(0, ListAlignment::Bottom, px(2048.), {
-            let this = cx.entity().downgrade();
-            move |ix, window: &mut Window, cx: &mut App| {
-                this.update(cx, |this, cx| this.render_message(ix, window, cx))
-                    .unwrap()
-            }
-        });
+        let list_state = ListState::new(0, ListAlignment::Bottom, px(2048.));
 
-        let workspace_subscription = if let Some(workspace) = workspace.upgrade() {
-            Some(cx.observe_release(&workspace, |this, _, cx| {
+        let workspace_subscription = workspace.upgrade().map(|workspace| {
+            cx.observe_release(&workspace, |this, _, cx| {
                 this.dismiss_notifications(cx);
-            }))
-        } else {
-            None
-        };
+            })
+        });
 
         let mut this = Self {
             language_registry,
@@ -811,9 +800,7 @@ impl ActiveThread {
             expanded_thinking_segments: HashMap::default(),
             expanded_code_blocks: HashMap::default(),
             list_state: list_state.clone(),
-            scrollbar_state: ScrollbarState::new(list_state),
-            show_scrollbar: false,
-            hide_scrollbar_task: None,
+            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
             editing_message: None,
             last_error: None,
             copied_code_block_ids: HashSet::default(),
@@ -926,7 +913,7 @@ impl ActiveThread {
     ) {
         let rendered = self
             .rendered_tool_uses
-            .entry(tool_use_id.clone())
+            .entry(tool_use_id)
             .or_insert_with(|| RenderedToolUse {
                 label: cx.new(|cx| {
                     Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
@@ -1054,12 +1041,12 @@ impl ActiveThread {
                 );
             }
             ThreadEvent::StreamedAssistantText(message_id, text) => {
-                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
+                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(message_id) {
                     rendered_message.append_text(text, cx);
                 }
             }
             ThreadEvent::StreamedAssistantThinking(message_id, text) => {
-                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
+                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(message_id) {
                     rendered_message.append_thinking(text, cx);
                 }
             }
@@ -1082,8 +1069,8 @@ impl ActiveThread {
             }
             ThreadEvent::MessageEdited(message_id) => {
                 self.clear_last_error();
-                if let Some(index) = self.messages.iter().position(|id| id == message_id) {
-                    if let Some(rendered_message) = self.thread.update(cx, |thread, cx| {
+                if let Some(index) = self.messages.iter().position(|id| id == message_id)
+                    && let Some(rendered_message) = self.thread.update(cx, |thread, cx| {
                         thread.message(*message_id).map(|message| {
                             let mut rendered_message = RenderedMessage {
                                 language_registry: self.language_registry.clone(),
@@ -1094,14 +1081,14 @@ impl ActiveThread {
                             }
                             rendered_message
                         })
-                    }) {
-                        self.list_state.splice(index..index + 1, 1);
-                        self.rendered_messages_by_id
-                            .insert(*message_id, rendered_message);
-                        self.scroll_to_bottom(cx);
-                        self.save_thread(cx);
-                        cx.notify();
-                    }
+                    })
+                {
+                    self.list_state.splice(index..index + 1, 1);
+                    self.rendered_messages_by_id
+                        .insert(*message_id, rendered_message);
+                    self.scroll_to_bottom(cx);
+                    self.save_thread(cx);
+                    cx.notify();
                 }
             }
             ThreadEvent::MessageDeleted(message_id) => {
@@ -1228,7 +1215,7 @@ impl ActiveThread {
         match AgentSettings::get_global(cx).notify_when_agent_waiting {
             NotifyWhenAgentWaiting::PrimaryScreen => {
                 if let Some(primary) = cx.primary_display() {
-                    self.pop_up(icon, caption.into(), title.clone(), window, primary, cx);
+                    self.pop_up(icon, caption.into(), title, window, primary, cx);
                 }
             }
             NotifyWhenAgentWaiting::AllScreens => {
@@ -1282,62 +1269,61 @@ impl ActiveThread {
                 })
             })
             .log_err()
+            && let Some(pop_up) = screen_window.entity(cx).log_err()
         {
-            if let Some(pop_up) = screen_window.entity(cx).log_err() {
-                self.notification_subscriptions
-                    .entry(screen_window)
-                    .or_insert_with(Vec::new)
-                    .push(cx.subscribe_in(&pop_up, window, {
-                        |this, _, event, window, cx| match event {
-                            AgentNotificationEvent::Accepted => {
-                                let handle = window.window_handle();
-                                cx.activate(true);
+            self.notification_subscriptions
+                .entry(screen_window)
+                .or_insert_with(Vec::new)
+                .push(cx.subscribe_in(&pop_up, window, {
+                    |this, _, event, window, cx| match event {
+                        AgentNotificationEvent::Accepted => {
+                            let handle = window.window_handle();
+                            cx.activate(true);
 
-                                let workspace_handle = this.workspace.clone();
+                            let workspace_handle = this.workspace.clone();
 
-                                // If there are multiple Zed windows, activate the correct one.
-                                cx.defer(move |cx| {
-                                    handle
-                                        .update(cx, |_view, window, _cx| {
-                                            window.activate_window();
+                            // If there are multiple Zed windows, activate the correct one.
+                            cx.defer(move |cx| {
+                                handle
+                                    .update(cx, |_view, window, _cx| {
+                                        window.activate_window();
 
-                                            if let Some(workspace) = workspace_handle.upgrade() {
-                                                workspace.update(_cx, |workspace, cx| {
-                                                    workspace.focus_panel::<AgentPanel>(window, cx);
-                                                });
-                                            }
-                                        })
-                                        .log_err();
-                                });
+                                        if let Some(workspace) = workspace_handle.upgrade() {
+                                            workspace.update(_cx, |workspace, cx| {
+                                                workspace.focus_panel::<AgentPanel>(window, cx);
+                                            });
+                                        }
+                                    })
+                                    .log_err();
+                            });
 
-                                this.dismiss_notifications(cx);
-                            }
-                            AgentNotificationEvent::Dismissed => {
-                                this.dismiss_notifications(cx);
-                            }
+                            this.dismiss_notifications(cx);
                         }
-                    }));
+                        AgentNotificationEvent::Dismissed => {
+                            this.dismiss_notifications(cx);
+                        }
+                    }
+                }));
 
-                self.notifications.push(screen_window);
+            self.notifications.push(screen_window);
 
-                // If the user manually refocuses the original window, dismiss the popup.
-                self.notification_subscriptions
-                    .entry(screen_window)
-                    .or_insert_with(Vec::new)
-                    .push({
-                        let pop_up_weak = pop_up.downgrade();
+            // If the user manually refocuses the original window, dismiss the popup.
+            self.notification_subscriptions
+                .entry(screen_window)
+                .or_insert_with(Vec::new)
+                .push({
+                    let pop_up_weak = pop_up.downgrade();
 
-                        cx.observe_window_activation(window, move |_, window, cx| {
-                            if window.is_window_active() {
-                                if let Some(pop_up) = pop_up_weak.upgrade() {
-                                    pop_up.update(cx, |_, cx| {
-                                        cx.emit(AgentNotificationEvent::Dismissed);
-                                    });
-                                }
-                            }
-                        })
-                    });
-            }
+                    cx.observe_window_activation(window, move |_, window, cx| {
+                        if window.is_window_active()
+                            && let Some(pop_up) = pop_up_weak.upgrade()
+                        {
+                            pop_up.update(cx, |_, cx| {
+                                cx.emit(AgentNotificationEvent::Dismissed);
+                            });
+                        }
+                    })
+                });
         }
     }
 
@@ -1384,12 +1370,12 @@ impl ActiveThread {
             editor.focus_handle(cx).focus(window);
             editor.move_to_end(&editor::actions::MoveToEnd, window, cx);
         });
-        let buffer_edited_subscription = cx.subscribe(&editor, |this, _, event, cx| match event {
-            EditorEvent::BufferEdited => {
-                this.update_editing_message_token_count(true, cx);
-            }
-            _ => {}
-        });
+        let buffer_edited_subscription =
+            cx.subscribe(&editor, |this, _, event: &EditorEvent, cx| {
+                if event == &EditorEvent::BufferEdited {
+                    this.update_editing_message_token_count(true, cx);
+                }
+            });
 
         let context_picker_menu_handle = PopoverMenuHandle::default();
         let context_strip = cx.new(|cx| {
@@ -1609,11 +1595,6 @@ impl ActiveThread {
             return;
         };
 
-        if model.provider.must_accept_terms(cx) {
-            cx.notify();
-            return;
-        }
-
         let edited_text = state.editor.read(cx).text(cx);
 
         let creases = state.editor.update(cx, extract_message_creases);
@@ -1776,7 +1757,7 @@ impl ActiveThread {
                 .thread
                 .read(cx)
                 .message(message_id)
-                .map(|msg| msg.to_string())
+                .map(|msg| msg.to_message_content())
                 .unwrap_or_default();
 
             telemetry::event!(
@@ -1846,7 +1827,12 @@ impl ActiveThread {
             )))
     }
 
-    fn render_message(&self, ix: usize, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
+    fn render_message(
+        &mut self,
+        ix: usize,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> AnyElement {
         let message_id = self.messages[ix];
         let workspace = self.workspace.clone();
         let thread = self.thread.read(cx);
@@ -1901,8 +1887,9 @@ impl ActiveThread {
             (colors.editor_background, colors.panel_background)
         };
 
-        let open_as_markdown = IconButton::new(("open-as-markdown", ix), IconName::DocumentText)
-            .icon_size(IconSize::XSmall)
+        let open_as_markdown = IconButton::new(("open-as-markdown", ix), IconName::FileMarkdown)
+            .shape(ui::IconButtonShape::Square)
+            .icon_size(IconSize::Small)
             .icon_color(Color::Ignored)
             .tooltip(Tooltip::text("Open Thread as Markdown"))
             .on_click({
@@ -1916,8 +1903,9 @@ impl ActiveThread {
                 }
             });
 
-        let scroll_to_top = IconButton::new(("scroll_to_top", ix), IconName::ArrowUpAlt)
-            .icon_size(IconSize::XSmall)
+        let scroll_to_top = IconButton::new(("scroll_to_top", ix), IconName::ArrowUp)
+            .shape(ui::IconButtonShape::Square)
+            .icon_size(IconSize::Small)
             .icon_color(Color::Ignored)
             .tooltip(Tooltip::text("Scroll To Top"))
             .on_click(cx.listener(move |this, _, _, cx| {
@@ -1931,6 +1919,7 @@ impl ActiveThread {
             .py_2()
             .px(RESPONSE_PADDING_X)
             .mr_1()
+            .gap_1()
             .opacity(0.4)
             .hover(|style| style.opacity(1.))
             .gap_1p5()
@@ -1954,7 +1943,8 @@ impl ActiveThread {
                     h_flex()
                         .child(
                             IconButton::new(("feedback-thumbs-up", ix), IconName::ThumbsUp)
-                                .icon_size(IconSize::XSmall)
+                                .shape(ui::IconButtonShape::Square)
+                                .icon_size(IconSize::Small)
                                 .icon_color(match feedback {
                                     ThreadFeedback::Positive => Color::Accent,
                                     ThreadFeedback::Negative => Color::Ignored,
@@ -1971,7 +1961,8 @@ impl ActiveThread {
                         )
                         .child(
                             IconButton::new(("feedback-thumbs-down", ix), IconName::ThumbsDown)
-                                .icon_size(IconSize::XSmall)
+                                .shape(ui::IconButtonShape::Square)
+                                .icon_size(IconSize::Small)
                                 .icon_color(match feedback {
                                     ThreadFeedback::Positive => Color::Ignored,
                                     ThreadFeedback::Negative => Color::Accent,
@@ -2004,7 +1995,8 @@ impl ActiveThread {
                     h_flex()
                         .child(
                             IconButton::new(("feedback-thumbs-up", ix), IconName::ThumbsUp)
-                                .icon_size(IconSize::XSmall)
+                                .shape(ui::IconButtonShape::Square)
+                                .icon_size(IconSize::Small)
                                 .icon_color(Color::Ignored)
                                 .tooltip(Tooltip::text("Helpful Response"))
                                 .on_click(cx.listener(move |this, _, window, cx| {
@@ -2018,7 +2010,8 @@ impl ActiveThread {
                         )
                         .child(
                             IconButton::new(("feedback-thumbs-down", ix), IconName::ThumbsDown)
-                                .icon_size(IconSize::XSmall)
+                                .shape(ui::IconButtonShape::Square)
+                                .icon_size(IconSize::Small)
                                 .icon_color(Color::Ignored)
                                 .tooltip(Tooltip::text("Not Helpful"))
                                 .on_click(cx.listener(move |this, _, window, cx| {
@@ -2111,7 +2104,7 @@ impl ActiveThread {
                                         .gap_1()
                                         .children(message_content)
                                         .when_some(editing_message_state, |this, state| {
-                                            let focus_handle = state.editor.focus_handle(cx).clone();
+                                            let focus_handle = state.editor.focus_handle(cx);
 
                                             this.child(
                                                 h_flex()
@@ -2172,7 +2165,6 @@ impl ActiveThread {
                                                                 .icon_color(Color::Muted)
                                                                 .icon_size(IconSize::Small)
                                                                 .tooltip({
-                                                                    let focus_handle = focus_handle.clone();
                                                                     move |window, cx| {
                                                                         Tooltip::for_action_in(
                                                                             "Regenerate",
@@ -2245,9 +2237,7 @@ impl ActiveThread {
         let after_editing_message = self
             .editing_message
             .as_ref()
-            .map_or(false, |(editing_message_id, _)| {
-                message_id > *editing_message_id
-            });
+            .is_some_and(|(editing_message_id, _)| message_id > *editing_message_id);
 
         let backdrop = div()
             .id(("backdrop", ix))
@@ -2267,13 +2257,12 @@ impl ActiveThread {
                     let mut error = None;
                     if let Some(last_restore_checkpoint) =
                         self.thread.read(cx).last_restore_checkpoint()
+                        && last_restore_checkpoint.message_id() == message_id
                     {
-                        if last_restore_checkpoint.message_id() == message_id {
-                            match last_restore_checkpoint {
-                                LastRestoreCheckpoint::Pending { .. } => is_pending = true,
-                                LastRestoreCheckpoint::Error { error: err, .. } => {
-                                    error = Some(err.clone());
-                                }
+                        match last_restore_checkpoint {
+                            LastRestoreCheckpoint::Pending { .. } => is_pending = true,
+                            LastRestoreCheckpoint::Error { error: err, .. } => {
+                                error = Some(err.clone());
                             }
                         }
                     }
@@ -2314,7 +2303,7 @@ impl ActiveThread {
                             .into_any_element()
                     } else if let Some(error) = error {
                         restore_checkpoint_button
-                            .tooltip(Tooltip::text(error.to_string()))
+                            .tooltip(Tooltip::text(error))
                             .into_any_element()
                     } else {
                         restore_checkpoint_button.into_any_element()
@@ -2355,7 +2344,6 @@ impl ActiveThread {
                                     this.submit_feedback_message(message_id, cx);
                                     cx.notify();
                                 }))
-                                .on_action(cx.listener(Self::confirm_editing_message))
                                 .mb_2()
                                 .mx_4()
                                 .p_2()
@@ -2471,7 +2459,7 @@ impl ActiveThread {
                                 message_id,
                                 index,
                                 content.clone(),
-                                &scroll_handle,
+                                scroll_handle,
                                 Some(index) == pending_thinking_segment_index,
                                 window,
                                 cx,
@@ -2595,7 +2583,7 @@ impl ActiveThread {
             .id(("message-container", ix))
             .py_1()
             .px_2p5()
-            .child(Banner::new().severity(ui::Severity::Warning).child(message))
+            .child(Banner::new().severity(Severity::Warning).child(message))
     }
 
     fn render_message_thinking_segment(
@@ -2629,7 +2617,7 @@ impl ActiveThread {
                                 h_flex()
                                     .gap_1p5()
                                     .child(
-                                        Icon::new(IconName::ToolBulb)
+                                        Icon::new(IconName::ToolThink)
                                             .size(IconSize::Small)
                                             .color(Color::Muted),
                                     )
@@ -2755,7 +2743,7 @@ impl ActiveThread {
                                 h_flex()
                                     .gap_1p5()
                                     .child(
-                                        Icon::new(IconName::LightBulb)
+                                        Icon::new(IconName::ToolThink)
                                             .size(IconSize::XSmall)
                                             .color(Color::Muted),
                                     )
@@ -3367,7 +3355,7 @@ impl ActiveThread {
                                 .mr_0p5(),
                         )
                         .child(
-                            IconButton::new("open-prompt-library", IconName::ArrowUpRightAlt)
+                            IconButton::new("open-prompt-library", IconName::ArrowUpRight)
                                 .shape(ui::IconButtonShape::Square)
                                 .icon_size(IconSize::XSmall)
                                 .icon_color(Color::Ignored)
@@ -3402,7 +3390,7 @@ impl ActiveThread {
                                 .mr_0p5(),
                         )
                         .child(
-                            IconButton::new("open-rule", IconName::ArrowUpRightAlt)
+                            IconButton::new("open-rule", IconName::ArrowUpRight)
                                 .shape(ui::IconButtonShape::Square)
                                 .icon_size(IconSize::XSmall)
                                 .icon_color(Color::Ignored)
@@ -3503,60 +3491,37 @@ impl ActiveThread {
         }
     }
 
-    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Option<Stateful<Div>> {
-        if !self.show_scrollbar && !self.scrollbar_state.is_dragging() {
-            return None;
-        }
-
-        Some(
-            div()
-                .occlude()
-                .id("active-thread-scrollbar")
-                .on_mouse_move(cx.listener(|_, _, _, cx| {
-                    cx.notify();
-                    cx.stop_propagation()
-                }))
-                .on_hover(|_, _, cx| {
+    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
+        div()
+            .occlude()
+            .id("active-thread-scrollbar")
+            .on_mouse_move(cx.listener(|_, _, _, cx| {
+                cx.notify();
+                cx.stop_propagation()
+            }))
+            .on_hover(|_, _, cx| {
+                cx.stop_propagation();
+            })
+            .on_any_mouse_down(|_, _, cx| {
+                cx.stop_propagation();
+            })
+            .on_mouse_up(
+                MouseButton::Left,
+                cx.listener(|_, _, _, cx| {
                     cx.stop_propagation();
-                })
-                .on_any_mouse_down(|_, _, cx| {
-                    cx.stop_propagation();
-                })
-                .on_mouse_up(
-                    MouseButton::Left,
-                    cx.listener(|_, _, _, cx| {
-                        cx.stop_propagation();
-                    }),
-                )
-                .on_scroll_wheel(cx.listener(|_, _, _, cx| {
-                    cx.notify();
-                }))
-                .h_full()
-                .absolute()
-                .right_1()
-                .top_1()
-                .bottom_0()
-                .w(px(12.))
-                .cursor_default()
-                .children(Scrollbar::vertical(self.scrollbar_state.clone())),
-        )
-    }
-
-    fn hide_scrollbar_later(&mut self, cx: &mut Context<Self>) {
-        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
-        self.hide_scrollbar_task = Some(cx.spawn(async move |thread, cx| {
-            cx.background_executor()
-                .timer(SCROLLBAR_SHOW_INTERVAL)
-                .await;
-            thread
-                .update(cx, |thread, cx| {
-                    if !thread.scrollbar_state.is_dragging() {
-                        thread.show_scrollbar = false;
-                        cx.notify();
-                    }
-                })
-                .log_err();
-        }))
+                }),
+            )
+            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
+                cx.notify();
+            }))
+            .h_full()
+            .absolute()
+            .right_1()
+            .top_1()
+            .bottom_0()
+            .w(px(12.))
+            .cursor_default()
+            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
     }
 
     pub fn is_codeblock_expanded(&self, message_id: MessageId, ix: usize) -> bool {
@@ -3597,26 +3562,8 @@ impl Render for ActiveThread {
             .size_full()
             .relative()
             .bg(cx.theme().colors().panel_background)
-            .on_mouse_move(cx.listener(|this, _, _, cx| {
-                this.show_scrollbar = true;
-                this.hide_scrollbar_later(cx);
-                cx.notify();
-            }))
-            .on_scroll_wheel(cx.listener(|this, _, _, cx| {
-                this.show_scrollbar = true;
-                this.hide_scrollbar_later(cx);
-                cx.notify();
-            }))
-            .on_mouse_up(
-                MouseButton::Left,
-                cx.listener(|this, _, _, cx| {
-                    this.hide_scrollbar_later(cx);
-                }),
-            )
-            .child(list(self.list_state.clone()).flex_grow())
-            .when_some(self.render_vertical_scrollbar(cx), |this, scrollbar| {
-                this.child(scrollbar)
-            })
+            .child(list(self.list_state.clone(), cx.processor(Self::render_message)).flex_grow())
+            .child(self.render_vertical_scrollbar(cx))
     }
 }
 
@@ -4059,7 +4006,7 @@ mod tests {
 
         cx.run_until_parked();
 
-        // Verify that the previous completion was cancelled
+        // Verify that the previous completion was canceled
         assert_eq!(cancellation_events.lock().unwrap().len(), 1);
 
         // Verify that a new request was started after cancellation
diff --git a/crates/agent_ui/src/agent_configuration.rs b/crates/agent_ui/src/agent_configuration.rs
index fae04188eb..c279115880 100644
--- a/crates/agent_ui/src/agent_configuration.rs
+++ b/crates/agent_ui/src/agent_configuration.rs
@@ -3,18 +3,23 @@ mod configure_context_server_modal;
 mod manage_profiles_modal;
 mod tool_picker;
 
-use std::{sync::Arc, time::Duration};
+use std::{ops::Range, sync::Arc, time::Duration};
 
+use agent_servers::{AgentServerCommand, AgentServerSettings, AllAgentServersSettings, Gemini};
 use agent_settings::AgentSettings;
+use anyhow::Result;
 use assistant_tool::{ToolSource, ToolWorkingSet};
+use cloud_llm_client::Plan;
 use collections::HashMap;
 use context_server::ContextServerId;
+use editor::{Editor, SelectionEffects, scroll::Autoscroll};
 use extension::ExtensionManifest;
 use extension_host::ExtensionStore;
 use fs::Fs;
 use gpui::{
-    Action, Animation, AnimationExt as _, AnyView, App, Corner, Entity, EventEmitter, FocusHandle,
-    Focusable, ScrollHandle, Subscription, Task, Transformation, WeakEntity, percentage,
+    Action, Animation, AnimationExt as _, AnyView, App, AsyncWindowContext, Corner, Entity,
+    EventEmitter, FocusHandle, Focusable, Hsla, ScrollHandle, Subscription, Task, Transformation,
+    WeakEntity, percentage,
 };
 use language::LanguageRegistry;
 use language_model::{
@@ -22,24 +27,24 @@ use language_model::{
 };
 use notifications::status_toast::{StatusToast, ToastIcon};
 use project::{
+    Project,
     context_server_store::{ContextServerConfiguration, ContextServerStatus, ContextServerStore},
     project_settings::{ContextServerSettings, ProjectSettings},
 };
-use proto::Plan;
-use settings::{Settings, update_settings_file};
+use settings::{Settings, SettingsStore, update_settings_file};
 use ui::{
     Chip, ContextMenu, Disclosure, Divider, DividerColor, ElevationIndex, Indicator, PopoverMenu,
     Scrollbar, ScrollbarState, Switch, SwitchColor, SwitchField, Tooltip, prelude::*,
 };
 use util::ResultExt as _;
-use workspace::Workspace;
+use workspace::{Workspace, create_and_open_local_file};
 use zed_actions::ExtensionCategoryFilter;
 
 pub(crate) use configure_context_server_modal::ConfigureContextServerModal;
 pub(crate) use manage_profiles_modal::ManageProfilesModal;
 
 use crate::{
-    AddContextServer,
+    AddContextServer, ExternalAgent, NewExternalAgentThread,
     agent_configuration::add_llm_provider_modal::{AddLlmProviderModal, LlmCompatibleProvider},
 };
 
@@ -47,6 +52,7 @@ pub struct AgentConfiguration {
     fs: Arc<dyn Fs>,
     language_registry: Arc<LanguageRegistry>,
     workspace: WeakEntity<Workspace>,
+    project: WeakEntity<Project>,
     focus_handle: FocusHandle,
     configuration_views_by_provider: HashMap<LanguageModelProviderId, AnyView>,
     context_server_store: Entity<ContextServerStore>,
@@ -56,6 +62,8 @@ pub struct AgentConfiguration {
     _registry_subscription: Subscription,
     scroll_handle: ScrollHandle,
     scrollbar_state: ScrollbarState,
+    gemini_is_installed: bool,
+    _check_for_gemini: Task<()>,
 }
 
 impl AgentConfiguration {
@@ -65,6 +73,7 @@ impl AgentConfiguration {
         tools: Entity<ToolWorkingSet>,
         language_registry: Arc<LanguageRegistry>,
         workspace: WeakEntity<Workspace>,
+        project: WeakEntity<Project>,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Self {
@@ -89,33 +98,34 @@ impl AgentConfiguration {
 
         cx.subscribe(&context_server_store, |_, _, _, cx| cx.notify())
             .detach();
+        cx.observe_global_in::<SettingsStore>(window, |this, _, cx| {
+            this.check_for_gemini(cx);
+            cx.notify();
+        })
+        .detach();
 
         let scroll_handle = ScrollHandle::new();
         let scrollbar_state = ScrollbarState::new(scroll_handle.clone());
 
-        let mut expanded_provider_configurations = HashMap::default();
-        if LanguageModelRegistry::read_global(cx)
-            .provider(&ZED_CLOUD_PROVIDER_ID)
-            .map_or(false, |cloud_provider| cloud_provider.must_accept_terms(cx))
-        {
-            expanded_provider_configurations.insert(ZED_CLOUD_PROVIDER_ID, true);
-        }
-
         let mut this = Self {
             fs,
             language_registry,
             workspace,
+            project,
             focus_handle,
             configuration_views_by_provider: HashMap::default(),
             context_server_store,
             expanded_context_server_tools: HashMap::default(),
-            expanded_provider_configurations,
+            expanded_provider_configurations: HashMap::default(),
             tools,
             _registry_subscription: registry_subscription,
             scroll_handle,
             scrollbar_state,
+            gemini_is_installed: false,
+            _check_for_gemini: Task::ready(()),
         };
         this.build_provider_configuration_views(window, cx);
+        this.check_for_gemini(cx);
         this
     }
 
@@ -137,10 +147,42 @@ impl AgentConfiguration {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        let configuration_view = provider.configuration_view(window, cx);
+        let configuration_view = provider.configuration_view(
+            language_model::ConfigurationViewTargetAgent::ZedAgent,
+            window,
+            cx,
+        );
         self.configuration_views_by_provider
             .insert(provider.id(), configuration_view);
     }
+
+    fn check_for_gemini(&mut self, cx: &mut Context<Self>) {
+        let project = self.project.clone();
+        let settings = AllAgentServersSettings::get_global(cx).clone();
+        self._check_for_gemini = cx.spawn({
+            async move |this, cx| {
+                let Some(project) = project.upgrade() else {
+                    return;
+                };
+                let gemini_is_installed = AgentServerCommand::resolve(
+                    Gemini::binary_name(),
+                    &[],
+                    // TODO expose fallback path from the Gemini/CC types so we don't have to hardcode it again here
+                    None,
+                    settings.gemini,
+                    &project,
+                    cx,
+                )
+                .await
+                .is_some();
+                this.update(cx, |this, cx| {
+                    this.gemini_is_installed = gemini_is_installed;
+                    cx.notify();
+                })
+                .ok();
+            }
+        });
+    }
 }
 
 impl Focusable for AgentConfiguration {
@@ -161,8 +203,8 @@ impl AgentConfiguration {
         provider: &Arc<dyn LanguageModelProvider>,
         cx: &mut Context<Self>,
     ) -> impl IntoElement + use<> {
-        let provider_id = provider.id().0.clone();
-        let provider_name = provider.name().0.clone();
+        let provider_id = provider.id().0;
+        let provider_name = provider.name().0;
         let provider_id_string = SharedString::from(format!("provider-disclosure-{provider_id}"));
 
         let configuration_view = self
@@ -180,7 +222,7 @@ impl AgentConfiguration {
         let current_plan = if is_zed_provider {
             self.workspace
                 .upgrade()
-                .and_then(|workspace| workspace.read(cx).user_store().read(cx).current_plan())
+                .and_then(|workspace| workspace.read(cx).user_store().read(cx).plan())
         } else {
             None
         };
@@ -188,7 +230,7 @@ impl AgentConfiguration {
         let is_signed_in = self
             .workspace
             .read_with(cx, |workspace, _| {
-                workspace.client().status().borrow().is_connected()
+                !workspace.client().status().borrow().is_signed_out()
             })
             .unwrap_or(false);
 
@@ -215,7 +257,6 @@ impl AgentConfiguration {
                     .child(
                         h_flex()
                             .id(provider_id_string.clone())
-                            .cursor_pointer()
                             .px_2()
                             .py_0p5()
                             .w_full()
@@ -235,10 +276,7 @@ impl AgentConfiguration {
                                         h_flex()
                                             .w_full()
                                             .gap_1()
-                                            .child(
-                                                Label::new(provider_name.clone())
-                                                    .size(LabelSize::Large),
-                                            )
+                                            .child(Label::new(provider_name.clone()))
                                             .map(|this| {
                                                 if is_zed_provider && is_signed_in {
                                                     this.child(
@@ -265,7 +303,7 @@ impl AgentConfiguration {
                                     .closed_icon(IconName::ChevronDown),
                             )
                             .on_click(cx.listener({
-                                let provider_id = provider.id().clone();
+                                let provider_id = provider.id();
                                 move |this, _event, _window, _cx| {
                                     let is_expanded = this
                                         .expanded_provider_configurations
@@ -283,7 +321,7 @@ impl AgentConfiguration {
                                 "Start New Thread",
                             )
                             .icon_position(IconPosition::Start)
-                            .icon(IconName::Plus)
+                            .icon(IconName::Thread)
                             .icon_size(IconSize::Small)
                             .icon_color(Color::Muted)
                             .label_size(LabelSize::Small)
@@ -300,6 +338,7 @@ impl AgentConfiguration {
             )
             .child(
                 div()
+                    .w_full()
                     .px_2()
                     .when(is_expanded, |parent| match configuration_view {
                         Some(configuration_view) => parent.child(configuration_view),
@@ -381,7 +420,7 @@ impl AgentConfiguration {
                                     ),
                             )
                             .child(
-                                Label::new("Add at least one provider to use AI-powered features.")
+                                Label::new("Add at least one provider to use AI-powered features with Zed's native agent.")
                                     .color(Color::Muted),
                             ),
                     ),
@@ -406,7 +445,9 @@ impl AgentConfiguration {
         SwitchField::new(
             "always-allow-tool-actions-switch",
             "Allow running commands without asking for confirmation",
-            "The agent can perform potentially destructive actions without asking for your confirmation.",
+            Some(
+                "The agent can perform potentially destructive actions without asking for your confirmation.".into(),
+            ),
             always_allow_tool_actions,
             move |state, _window, cx| {
                 let allow = state == &ToggleState::Selected;
@@ -424,7 +465,7 @@ impl AgentConfiguration {
         SwitchField::new(
             "single-file-review",
             "Enable single-file agent reviews",
-            "Agent edits are also displayed in single-file editors for review.",
+            Some("Agent edits are also displayed in single-file editors for review.".into()),
             single_file_review,
             move |state, _window, cx| {
                 let allow = state == &ToggleState::Selected;
@@ -442,7 +483,9 @@ impl AgentConfiguration {
         SwitchField::new(
             "sound-notification",
             "Play sound when finished generating",
-            "Hear a notification sound when the agent is done generating changes or needs your input.",
+            Some(
+                "Hear a notification sound when the agent is done generating changes or needs your input.".into(),
+            ),
             play_sound_when_agent_done,
             move |state, _window, cx| {
                 let allow = state == &ToggleState::Selected;
@@ -460,7 +503,9 @@ impl AgentConfiguration {
         SwitchField::new(
             "modifier-send",
             "Use modifier to submit a message",
-            "Make a modifier (cmd-enter on macOS, ctrl-enter on Linux) required to send messages.",
+            Some(
+                "Make a modifier (cmd-enter on macOS, ctrl-enter on Linux or Windows) required to send messages.".into(),
+            ),
             use_modifier_to_send,
             move |state, _window, cx| {
                 let allow = state == &ToggleState::Selected;
@@ -502,7 +547,7 @@ impl AgentConfiguration {
                 .blend(cx.theme().colors().text_accent.opacity(0.2));
 
             let (plan_name, label_color, bg_color) = match plan {
-                Plan::Free => ("Free", Color::Default, free_chip_bg),
+                Plan::ZedFree => ("Free", Color::Default, free_chip_bg),
                 Plan::ZedProTrial => ("Pro Trial", Color::Accent, pro_chip_bg),
                 Plan::ZedPro => ("Pro", Color::Accent, pro_chip_bg),
             };
@@ -516,6 +561,14 @@ impl AgentConfiguration {
         }
     }
 
+    fn card_item_bg_color(&self, cx: &mut Context<Self>) -> Hsla {
+        cx.theme().colors().background.opacity(0.25)
+    }
+
+    fn card_item_border_color(&self, cx: &mut Context<Self>) -> Hsla {
+        cx.theme().colors().border.opacity(0.6)
+    }
+
     fn render_context_servers_section(
         &mut self,
         window: &mut Window,
@@ -533,7 +586,12 @@ impl AgentConfiguration {
                 v_flex()
                     .gap_0p5()
                     .child(Headline::new("Model Context Protocol (MCP) Servers"))
-                    .child(Label::new("Connect to context servers via the Model Context Protocol either via Zed extensions or directly.").color(Color::Muted)),
+                    .child(
+                        Label::new(
+                            "All context servers connected through the Model Context Protocol.",
+                        )
+                        .color(Color::Muted),
+                    ),
             )
             .children(
                 context_server_ids.into_iter().map(|context_server_id| {
@@ -543,7 +601,7 @@ impl AgentConfiguration {
             .child(
                 h_flex()
                     .justify_between()
-                    .gap_2()
+                    .gap_1p5()
                     .child(
                         h_flex().w_full().child(
                             Button::new("add-context-server", "Add Custom Server")
@@ -567,7 +625,7 @@ impl AgentConfiguration {
                             .style(ButtonStyle::Filled)
                             .layer(ElevationIndex::ModalSurface)
                             .full_width()
-                            .icon(IconName::Hammer)
+                            .icon(IconName::ToolHammer)
                             .icon_size(IconSize::Small)
                             .icon_position(IconPosition::Start)
                             .on_click(|_event, window, cx| {
@@ -634,8 +692,6 @@ impl AgentConfiguration {
             .map_or([].as_slice(), |tools| tools.as_slice());
         let tool_count = tools.len();
 
-        let border_color = cx.theme().colors().border.opacity(0.6);
-
         let (source_icon, source_tooltip) = if is_from_extension {
             (
                 IconName::ZedMcpExtension,
@@ -654,7 +710,7 @@ impl AgentConfiguration {
                     .size(IconSize::XSmall)
                     .color(Color::Accent)
                     .with_animation(
-                        SharedString::from(format!("{}-starting", context_server_id.0.clone(),)),
+                        SharedString::from(format!("{}-starting", context_server_id.0,)),
                         Animation::new(Duration::from_secs(3)).repeat(),
                         |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
                     )
@@ -778,8 +834,8 @@ impl AgentConfiguration {
             .id(item_id.clone())
             .border_1()
             .rounded_md()
-            .border_color(border_color)
-            .bg(cx.theme().colors().background.opacity(0.2))
+            .border_color(self.card_item_border_color(cx))
+            .bg(self.card_item_bg_color(cx))
             .overflow_hidden()
             .child(
                 h_flex()
@@ -787,7 +843,11 @@ impl AgentConfiguration {
                     .justify_between()
                     .when(
                         error.is_some() || are_tools_expanded && tool_count >= 1,
-                        |element| element.border_b_1().border_color(border_color),
+                        |element| {
+                            element
+                                .border_b_1()
+                                .border_color(self.card_item_border_color(cx))
+                        },
                     )
                     .child(
                         h_flex()
@@ -854,7 +914,6 @@ impl AgentConfiguration {
                                     .on_click({
                                         let context_server_manager =
                                             self.context_server_store.clone();
-                                        let context_server_id = context_server_id.clone();
                                         let fs = self.fs.clone();
 
                                         move |state, _window, cx| {
@@ -947,7 +1006,7 @@ impl AgentConfiguration {
                 }
 
                 parent.child(v_flex().py_1p5().px_1().gap_1().children(
-                    tools.into_iter().enumerate().map(|(ix, tool)| {
+                    tools.iter().enumerate().map(|(ix, tool)| {
                         h_flex()
                             .id(("tool-item", ix))
                             .px_1()
@@ -970,6 +1029,195 @@ impl AgentConfiguration {
                 ))
             })
     }
+
+    fn render_agent_servers_section(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
+        let settings = AllAgentServersSettings::get_global(cx).clone();
+        let user_defined_agents = settings
+            .custom
+            .iter()
+            .map(|(name, settings)| {
+                self.render_agent_server(
+                    IconName::Ai,
+                    name.clone(),
+                    ExternalAgent::Custom {
+                        name: name.clone(),
+                        settings: settings.clone(),
+                    },
+                    None,
+                    cx,
+                )
+                .into_any_element()
+            })
+            .collect::<Vec<_>>();
+
+        v_flex()
+            .border_b_1()
+            .border_color(cx.theme().colors().border)
+            .child(
+                v_flex()
+                    .p(DynamicSpacing::Base16.rems(cx))
+                    .pr(DynamicSpacing::Base20.rems(cx))
+                    .gap_2()
+                    .child(
+                        v_flex()
+                            .gap_0p5()
+                            .child(
+                                h_flex()
+                                    .w_full()
+                                    .gap_2()
+                                    .justify_between()
+                                    .child(Headline::new("External Agents"))
+                                    .child(
+                                        Button::new("add-agent", "Add Agent")
+                                            .icon_position(IconPosition::Start)
+                                            .icon(IconName::Plus)
+                                            .icon_size(IconSize::Small)
+                                            .icon_color(Color::Muted)
+                                            .label_size(LabelSize::Small)
+                                            .on_click(
+                                                move |_, window, cx| {
+                                                    if let Some(workspace) = window.root().flatten() {
+                                                        let workspace = workspace.downgrade();
+                                                        window
+                                                            .spawn(cx, async |cx| {
+                                                                open_new_agent_servers_entry_in_settings_editor(
+                                                                    workspace,
+                                                                    cx,
+                                                                ).await
+                                                            })
+                                                            .detach_and_log_err(cx);
+                                                    }
+                                                }
+                                            ),
+                                    )
+                            )
+                            .child(
+                                Label::new(
+                                    "Use the full power of Zed's UI with your favorite agent, connected via the Agent Client Protocol.",
+                                )
+                                .color(Color::Muted),
+                            ),
+                    )
+                    .child(self.render_agent_server(
+                        IconName::AiGemini,
+                        "Gemini CLI",
+                        ExternalAgent::Gemini,
+                        (!self.gemini_is_installed).then_some(Gemini::install_command().into()),
+                        cx,
+                    ))
+                    // TODO add CC
+                    .children(user_defined_agents),
+            )
+    }
+
+    fn render_agent_server(
+        &self,
+        icon: IconName,
+        name: impl Into<SharedString>,
+        agent: ExternalAgent,
+        install_command: Option<SharedString>,
+        cx: &mut Context<Self>,
+    ) -> impl IntoElement {
+        let name = name.into();
+        h_flex()
+            .p_1()
+            .pl_2()
+            .gap_1p5()
+            .justify_between()
+            .border_1()
+            .rounded_md()
+            .border_color(self.card_item_border_color(cx))
+            .bg(self.card_item_bg_color(cx))
+            .overflow_hidden()
+            .child(
+                h_flex()
+                    .gap_1p5()
+                    .child(Icon::new(icon).size(IconSize::Small).color(Color::Muted))
+                    .child(Label::new(name.clone())),
+            )
+            .map(|this| {
+                if let Some(install_command) = install_command {
+                    this.child(
+                        Button::new(
+                            SharedString::from(format!("install_external_agent-{name}")),
+                            "Install Agent",
+                        )
+                        .label_size(LabelSize::Small)
+                        .icon(IconName::Plus)
+                        .icon_position(IconPosition::Start)
+                        .icon_size(IconSize::XSmall)
+                        .icon_color(Color::Muted)
+                        .tooltip(Tooltip::text(install_command.clone()))
+                        .on_click(cx.listener(
+                            move |this, _, window, cx| {
+                                let Some(project) = this.project.upgrade() else {
+                                    return;
+                                };
+                                let Some(workspace) = this.workspace.upgrade() else {
+                                    return;
+                                };
+                                let cwd = project.read(cx).first_project_directory(cx);
+                                let shell =
+                                    project.read(cx).terminal_settings(&cwd, cx).shell.clone();
+                                let spawn_in_terminal = task::SpawnInTerminal {
+                                    id: task::TaskId(install_command.to_string()),
+                                    full_label: install_command.to_string(),
+                                    label: install_command.to_string(),
+                                    command: Some(install_command.to_string()),
+                                    args: Vec::new(),
+                                    command_label: install_command.to_string(),
+                                    cwd,
+                                    env: Default::default(),
+                                    use_new_terminal: true,
+                                    allow_concurrent_runs: true,
+                                    reveal: Default::default(),
+                                    reveal_target: Default::default(),
+                                    hide: Default::default(),
+                                    shell,
+                                    show_summary: true,
+                                    show_command: true,
+                                    show_rerun: false,
+                                };
+                                let task = workspace.update(cx, |workspace, cx| {
+                                    workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
+                                });
+                                cx.spawn(async move |this, cx| {
+                                    task.await;
+                                    this.update(cx, |this, cx| {
+                                        this.check_for_gemini(cx);
+                                    })
+                                    .ok();
+                                })
+                                .detach();
+                            },
+                        )),
+                    )
+                } else {
+                    this.child(
+                        h_flex().gap_1().child(
+                            Button::new(
+                                SharedString::from(format!("start_acp_thread-{name}")),
+                                "Start New Thread",
+                            )
+                            .label_size(LabelSize::Small)
+                            .icon(IconName::Thread)
+                            .icon_position(IconPosition::Start)
+                            .icon_size(IconSize::XSmall)
+                            .icon_color(Color::Muted)
+                            .on_click(move |_, window, cx| {
+                                window.dispatch_action(
+                                    NewExternalAgentThread {
+                                        agent: Some(agent.clone()),
+                                    }
+                                    .boxed_clone(),
+                                    cx,
+                                );
+                            }),
+                        ),
+                    )
+                }
+            })
+    }
 }
 
 impl Render for AgentConfiguration {
@@ -989,6 +1237,7 @@ impl Render for AgentConfiguration {
                     .size_full()
                     .overflow_y_scroll()
                     .child(self.render_general_settings_section(cx))
+                    .child(self.render_agent_servers_section(cx))
                     .child(self.render_context_servers_section(window, cx))
                     .child(self.render_provider_configuration_section(cx)),
             )
@@ -1029,7 +1278,6 @@ fn extension_only_provides_context_server(manifest: &ExtensionManifest) -> bool
         && manifest.grammars.is_empty()
         && manifest.language_servers.is_empty()
         && manifest.slash_commands.is_empty()
-        && manifest.indexed_docs_providers.is_empty()
         && manifest.snippets.is_none()
         && manifest.debug_locators.is_empty()
 }
@@ -1065,7 +1313,6 @@ fn show_unable_to_uninstall_extension_with_context_server(
         cx,
         move |this, _cx| {
             let workspace_handle = workspace_handle.clone();
-            let context_server_id = context_server_id.clone();
 
             this.icon(ToastIcon::new(IconName::Warning).color(Color::Warning))
                 .dismiss_button(true)
@@ -1109,3 +1356,109 @@ fn show_unable_to_uninstall_extension_with_context_server(
 
     workspace.toggle_status_toast(status_toast, cx);
 }
+
+async fn open_new_agent_servers_entry_in_settings_editor(
+    workspace: WeakEntity<Workspace>,
+    cx: &mut AsyncWindowContext,
+) -> Result<()> {
+    let settings_editor = workspace
+        .update_in(cx, |_, window, cx| {
+            create_and_open_local_file(paths::settings_file(), window, cx, || {
+                settings::initial_user_settings_content().as_ref().into()
+            })
+        })?
+        .await?
+        .downcast::<Editor>()
+        .unwrap();
+
+    settings_editor
+        .downgrade()
+        .update_in(cx, |item, window, cx| {
+            let text = item.buffer().read(cx).snapshot(cx).text();
+
+            let settings = cx.global::<SettingsStore>();
+
+            let mut unique_server_name = None;
+            let edits = settings.edits_for_update::<AllAgentServersSettings>(&text, |file| {
+                let server_name: Option<SharedString> = (0..u8::MAX)
+                    .map(|i| {
+                        if i == 0 {
+                            "your_agent".into()
+                        } else {
+                            format!("your_agent_{}", i).into()
+                        }
+                    })
+                    .find(|name| !file.custom.contains_key(name));
+                if let Some(server_name) = server_name {
+                    unique_server_name = Some(server_name.clone());
+                    file.custom.insert(
+                        server_name,
+                        AgentServerSettings {
+                            command: AgentServerCommand {
+                                path: "path_to_executable".into(),
+                                args: vec![],
+                                env: Some(HashMap::default()),
+                            },
+                        },
+                    );
+                }
+            });
+
+            if edits.is_empty() {
+                return;
+            }
+
+            let ranges = edits
+                .iter()
+                .map(|(range, _)| range.clone())
+                .collect::<Vec<_>>();
+
+            item.edit(edits, cx);
+            if let Some((unique_server_name, buffer)) =
+                unique_server_name.zip(item.buffer().read(cx).as_singleton())
+            {
+                let snapshot = buffer.read(cx).snapshot();
+                if let Some(range) =
+                    find_text_in_buffer(&unique_server_name, ranges[0].start, &snapshot)
+                {
+                    item.change_selections(
+                        SelectionEffects::scroll(Autoscroll::newest()),
+                        window,
+                        cx,
+                        |selections| {
+                            selections.select_ranges(vec![range]);
+                        },
+                    );
+                }
+            }
+        })
+}
+
+fn find_text_in_buffer(
+    text: &str,
+    start: usize,
+    snapshot: &language::BufferSnapshot,
+) -> Option<Range<usize>> {
+    let chars = text.chars().collect::<Vec<char>>();
+
+    let mut offset = start;
+    let mut char_offset = 0;
+    for c in snapshot.chars_at(start) {
+        if char_offset >= chars.len() {
+            break;
+        }
+        offset += 1;
+
+        if c == chars[char_offset] {
+            char_offset += 1;
+        } else {
+            char_offset = 0;
+        }
+    }
+
+    if char_offset == chars.len() {
+        Some(offset.saturating_sub(chars.len())..offset)
+    } else {
+        None
+    }
+}
diff --git a/crates/agent_ui/src/agent_configuration/add_llm_provider_modal.rs b/crates/agent_ui/src/agent_configuration/add_llm_provider_modal.rs
index 94b32d156b..182831f488 100644
--- a/crates/agent_ui/src/agent_configuration/add_llm_provider_modal.rs
+++ b/crates/agent_ui/src/agent_configuration/add_llm_provider_modal.rs
@@ -7,10 +7,12 @@ use gpui::{DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, Render, T
 use language_model::LanguageModelRegistry;
 use language_models::{
     AllLanguageModelSettings, OpenAiCompatibleSettingsContent,
-    provider::open_ai_compatible::AvailableModel,
+    provider::open_ai_compatible::{AvailableModel, ModelCapabilities},
 };
 use settings::update_settings_file;
-use ui::{Banner, KeyBinding, Modal, ModalFooter, ModalHeader, Section, prelude::*};
+use ui::{
+    Banner, Checkbox, KeyBinding, Modal, ModalFooter, ModalHeader, Section, ToggleState, prelude::*,
+};
 use ui_input::SingleLineInput;
 use workspace::{ModalView, Workspace};
 
@@ -69,11 +71,19 @@ impl AddLlmProviderInput {
     }
 }
 
+struct ModelCapabilityToggles {
+    pub supports_tools: ToggleState,
+    pub supports_images: ToggleState,
+    pub supports_parallel_tool_calls: ToggleState,
+    pub supports_prompt_cache_key: ToggleState,
+}
+
 struct ModelInput {
     name: Entity<SingleLineInput>,
     max_completion_tokens: Entity<SingleLineInput>,
     max_output_tokens: Entity<SingleLineInput>,
     max_tokens: Entity<SingleLineInput>,
+    capabilities: ModelCapabilityToggles,
 }
 
 impl ModelInput {
@@ -100,11 +110,23 @@ impl ModelInput {
             cx,
         );
         let max_tokens = single_line_input("Max Tokens", "Max Tokens", Some("200000"), window, cx);
+        let ModelCapabilities {
+            tools,
+            images,
+            parallel_tool_calls,
+            prompt_cache_key,
+        } = ModelCapabilities::default();
         Self {
             name: model_name,
             max_completion_tokens,
             max_output_tokens,
             max_tokens,
+            capabilities: ModelCapabilityToggles {
+                supports_tools: tools.into(),
+                supports_images: images.into(),
+                supports_parallel_tool_calls: parallel_tool_calls.into(),
+                supports_prompt_cache_key: prompt_cache_key.into(),
+            },
         }
     }
 
@@ -136,6 +158,12 @@ impl ModelInput {
                 .text(cx)
                 .parse::<u64>()
                 .map_err(|_| SharedString::from("Max Tokens must be a number"))?,
+            capabilities: ModelCapabilities {
+                tools: self.capabilities.supports_tools.selected(),
+                images: self.capabilities.supports_images.selected(),
+                parallel_tool_calls: self.capabilities.supports_parallel_tool_calls.selected(),
+                prompt_cache_key: self.capabilities.supports_prompt_cache_key.selected(),
+            },
         })
     }
 }
@@ -272,42 +300,34 @@ impl AddLlmProviderModal {
         cx.emit(DismissEvent);
     }
 
-    fn render_section(&self) -> Section {
-        Section::new()
-            .child(self.input.provider_name.clone())
-            .child(self.input.api_url.clone())
-            .child(self.input.api_key.clone())
-    }
-
-    fn render_model_section(&self, cx: &mut Context<Self>) -> Section {
-        Section::new().child(
-            v_flex()
-                .gap_2()
-                .child(
-                    h_flex()
-                        .justify_between()
-                        .child(Label::new("Models").size(LabelSize::Small))
-                        .child(
-                            Button::new("add-model", "Add Model")
-                                .icon(IconName::Plus)
-                                .icon_position(IconPosition::Start)
-                                .icon_size(IconSize::XSmall)
-                                .icon_color(Color::Muted)
-                                .label_size(LabelSize::Small)
-                                .on_click(cx.listener(|this, _, window, cx| {
-                                    this.input.add_model(window, cx);
-                                    cx.notify();
-                                })),
-                        ),
-                )
-                .children(
-                    self.input
-                        .models
-                        .iter()
-                        .enumerate()
-                        .map(|(ix, _)| self.render_model(ix, cx)),
-                ),
-        )
+    fn render_model_section(&self, cx: &mut Context<Self>) -> impl IntoElement {
+        v_flex()
+            .mt_1()
+            .gap_2()
+            .child(
+                h_flex()
+                    .justify_between()
+                    .child(Label::new("Models").size(LabelSize::Small))
+                    .child(
+                        Button::new("add-model", "Add Model")
+                            .icon(IconName::Plus)
+                            .icon_position(IconPosition::Start)
+                            .icon_size(IconSize::XSmall)
+                            .icon_color(Color::Muted)
+                            .label_size(LabelSize::Small)
+                            .on_click(cx.listener(|this, _, window, cx| {
+                                this.input.add_model(window, cx);
+                                cx.notify();
+                            })),
+                    ),
+            )
+            .children(
+                self.input
+                    .models
+                    .iter()
+                    .enumerate()
+                    .map(|(ix, _)| self.render_model(ix, cx)),
+            )
     }
 
     fn render_model(&self, ix: usize, cx: &mut Context<Self>) -> impl IntoElement + use<> {
@@ -330,6 +350,55 @@ impl AddLlmProviderModal {
                     .child(model.max_output_tokens.clone()),
             )
             .child(model.max_tokens.clone())
+            .child(
+                v_flex()
+                    .gap_1()
+                    .child(
+                        Checkbox::new(("supports-tools", ix), model.capabilities.supports_tools)
+                            .label("Supports tools")
+                            .on_click(cx.listener(move |this, checked, _window, cx| {
+                                this.input.models[ix].capabilities.supports_tools = *checked;
+                                cx.notify();
+                            })),
+                    )
+                    .child(
+                        Checkbox::new(("supports-images", ix), model.capabilities.supports_images)
+                            .label("Supports images")
+                            .on_click(cx.listener(move |this, checked, _window, cx| {
+                                this.input.models[ix].capabilities.supports_images = *checked;
+                                cx.notify();
+                            })),
+                    )
+                    .child(
+                        Checkbox::new(
+                            ("supports-parallel-tool-calls", ix),
+                            model.capabilities.supports_parallel_tool_calls,
+                        )
+                        .label("Supports parallel_tool_calls")
+                        .on_click(cx.listener(
+                            move |this, checked, _window, cx| {
+                                this.input.models[ix]
+                                    .capabilities
+                                    .supports_parallel_tool_calls = *checked;
+                                cx.notify();
+                            },
+                        )),
+                    )
+                    .child(
+                        Checkbox::new(
+                            ("supports-prompt-cache-key", ix),
+                            model.capabilities.supports_prompt_cache_key,
+                        )
+                        .label("Supports prompt_cache_key")
+                        .on_click(cx.listener(
+                            move |this, checked, _window, cx| {
+                                this.input.models[ix].capabilities.supports_prompt_cache_key =
+                                    *checked;
+                                cx.notify();
+                            },
+                        )),
+                    ),
+            )
             .when(has_more_than_one_model, |this| {
                 this.child(
                     Button::new(("remove-model", ix), "Remove Model")
@@ -385,7 +454,7 @@ impl Render for AddLlmProviderModal {
                         this.section(
                             Section::new().child(
                                 Banner::new()
-                                    .severity(ui::Severity::Warning)
+                                    .severity(Severity::Warning)
                                     .child(div().text_xs().child(error)),
                             ),
                         )
@@ -393,10 +462,14 @@ impl Render for AddLlmProviderModal {
                     .child(
                         v_flex()
                             .id("modal_content")
+                            .size_full()
                             .max_h_128()
                             .overflow_y_scroll()
-                            .gap_2()
-                            .child(self.render_section())
+                            .px(DynamicSpacing::Base12.rems(cx))
+                            .gap(DynamicSpacing::Base04.rems(cx))
+                            .child(self.input.provider_name.clone())
+                            .child(self.input.api_url.clone())
+                            .child(self.input.api_key.clone())
                             .child(self.render_model_section(cx)),
                     )
                     .footer(
@@ -566,6 +639,93 @@ mod tests {
         );
     }
 
+    #[gpui::test]
+    async fn test_model_input_default_capabilities(cx: &mut TestAppContext) {
+        let cx = setup_test(cx).await;
+
+        cx.update(|window, cx| {
+            let model_input = ModelInput::new(window, cx);
+            model_input.name.update(cx, |input, cx| {
+                input.editor().update(cx, |editor, cx| {
+                    editor.set_text("somemodel", window, cx);
+                });
+            });
+            assert_eq!(
+                model_input.capabilities.supports_tools,
+                ToggleState::Selected
+            );
+            assert_eq!(
+                model_input.capabilities.supports_images,
+                ToggleState::Unselected
+            );
+            assert_eq!(
+                model_input.capabilities.supports_parallel_tool_calls,
+                ToggleState::Unselected
+            );
+            assert_eq!(
+                model_input.capabilities.supports_prompt_cache_key,
+                ToggleState::Unselected
+            );
+
+            let parsed_model = model_input.parse(cx).unwrap();
+            assert!(parsed_model.capabilities.tools);
+            assert!(!parsed_model.capabilities.images);
+            assert!(!parsed_model.capabilities.parallel_tool_calls);
+            assert!(!parsed_model.capabilities.prompt_cache_key);
+        });
+    }
+
+    #[gpui::test]
+    async fn test_model_input_deselected_capabilities(cx: &mut TestAppContext) {
+        let cx = setup_test(cx).await;
+
+        cx.update(|window, cx| {
+            let mut model_input = ModelInput::new(window, cx);
+            model_input.name.update(cx, |input, cx| {
+                input.editor().update(cx, |editor, cx| {
+                    editor.set_text("somemodel", window, cx);
+                });
+            });
+
+            model_input.capabilities.supports_tools = ToggleState::Unselected;
+            model_input.capabilities.supports_images = ToggleState::Unselected;
+            model_input.capabilities.supports_parallel_tool_calls = ToggleState::Unselected;
+            model_input.capabilities.supports_prompt_cache_key = ToggleState::Unselected;
+
+            let parsed_model = model_input.parse(cx).unwrap();
+            assert!(!parsed_model.capabilities.tools);
+            assert!(!parsed_model.capabilities.images);
+            assert!(!parsed_model.capabilities.parallel_tool_calls);
+            assert!(!parsed_model.capabilities.prompt_cache_key);
+        });
+    }
+
+    #[gpui::test]
+    async fn test_model_input_with_name_and_capabilities(cx: &mut TestAppContext) {
+        let cx = setup_test(cx).await;
+
+        cx.update(|window, cx| {
+            let mut model_input = ModelInput::new(window, cx);
+            model_input.name.update(cx, |input, cx| {
+                input.editor().update(cx, |editor, cx| {
+                    editor.set_text("somemodel", window, cx);
+                });
+            });
+
+            model_input.capabilities.supports_tools = ToggleState::Selected;
+            model_input.capabilities.supports_images = ToggleState::Unselected;
+            model_input.capabilities.supports_parallel_tool_calls = ToggleState::Selected;
+            model_input.capabilities.supports_prompt_cache_key = ToggleState::Unselected;
+
+            let parsed_model = model_input.parse(cx).unwrap();
+            assert_eq!(parsed_model.name, "somemodel");
+            assert!(parsed_model.capabilities.tools);
+            assert!(!parsed_model.capabilities.images);
+            assert!(parsed_model.capabilities.parallel_tool_calls);
+            assert!(!parsed_model.capabilities.prompt_cache_key);
+        });
+    }
+
     async fn setup_test(cx: &mut TestAppContext) -> &mut VisualTestContext {
         cx.update(|cx| {
             let store = SettingsStore::test(cx);
diff --git a/crates/agent_ui/src/agent_configuration/configure_context_server_modal.rs b/crates/agent_ui/src/agent_configuration/configure_context_server_modal.rs
index 06d035d836..c898a5acb5 100644
--- a/crates/agent_ui/src/agent_configuration/configure_context_server_modal.rs
+++ b/crates/agent_ui/src/agent_configuration/configure_context_server_modal.rs
@@ -163,10 +163,10 @@ impl ConfigurationSource {
                     .read(cx)
                     .text(cx);
                 let settings = serde_json_lenient::from_str::<serde_json::Value>(&text)?;
-                if let Some(settings_validator) = settings_validator {
-                    if let Err(error) = settings_validator.validate(&settings) {
-                        return Err(anyhow::anyhow!(error.to_string()));
-                    }
+                if let Some(settings_validator) = settings_validator
+                    && let Err(error) = settings_validator.validate(&settings)
+                {
+                    return Err(anyhow::anyhow!(error.to_string()));
                 }
                 Ok((
                     id.clone(),
@@ -261,7 +261,6 @@ impl ConfigureContextServerModal {
         _cx: &mut Context<Workspace>,
     ) {
         workspace.register_action({
-            let language_registry = language_registry.clone();
             move |_workspace, _: &AddContextServer, window, cx| {
                 let workspace_handle = cx.weak_entity();
                 let language_registry = language_registry.clone();
@@ -438,7 +437,7 @@ impl ConfigureContextServerModal {
                         format!("{} configured successfully.", id.0),
                         cx,
                         |this, _cx| {
-                            this.icon(ToastIcon::new(IconName::Hammer).color(Color::Muted))
+                            this.icon(ToastIcon::new(IconName::ToolHammer).color(Color::Muted))
                                 .action("Dismiss", |_, _| {})
                         },
                     );
@@ -487,7 +486,7 @@ impl ConfigureContextServerModal {
     }
 
     fn render_modal_description(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
-        const MODAL_DESCRIPTION: &'static str = "Visit the MCP server configuration docs to find all necessary arguments and environment variables.";
+        const MODAL_DESCRIPTION: &str = "Visit the MCP server configuration docs to find all necessary arguments and environment variables.";
 
         if let ConfigurationSource::Extension {
             installation_instructions: Some(installation_instructions),
@@ -567,7 +566,7 @@ impl ConfigureContextServerModal {
                         Button::new("open-repository", "Open Repository")
                             .icon(IconName::ArrowUpRight)
                             .icon_color(Color::Muted)
-                            .icon_size(IconSize::XSmall)
+                            .icon_size(IconSize::Small)
                             .tooltip({
                                 let repository_url = repository_url.clone();
                                 move |window, cx| {
@@ -716,24 +715,24 @@ fn wait_for_context_server(
         project::context_server_store::Event::ServerStatusChanged { server_id, status } => {
             match status {
                 ContextServerStatus::Running => {
-                    if server_id == &context_server_id {
-                        if let Some(tx) = tx.lock().unwrap().take() {
-                            let _ = tx.send(Ok(()));
-                        }
+                    if server_id == &context_server_id
+                        && let Some(tx) = tx.lock().unwrap().take()
+                    {
+                        let _ = tx.send(Ok(()));
                     }
                 }
                 ContextServerStatus::Stopped => {
-                    if server_id == &context_server_id {
-                        if let Some(tx) = tx.lock().unwrap().take() {
-                            let _ = tx.send(Err("Context server stopped running".into()));
-                        }
+                    if server_id == &context_server_id
+                        && let Some(tx) = tx.lock().unwrap().take()
+                    {
+                        let _ = tx.send(Err("Context server stopped running".into()));
                     }
                 }
                 ContextServerStatus::Error(error) => {
-                    if server_id == &context_server_id {
-                        if let Some(tx) = tx.lock().unwrap().take() {
-                            let _ = tx.send(Err(error.clone()));
-                        }
+                    if server_id == &context_server_id
+                        && let Some(tx) = tx.lock().unwrap().take()
+                    {
+                        let _ = tx.send(Err(error.clone()));
                     }
                 }
                 _ => {}
diff --git a/crates/agent_ui/src/agent_configuration/manage_profiles_modal.rs b/crates/agent_ui/src/agent_configuration/manage_profiles_modal.rs
index 45536ff13b..7fcf76d1cb 100644
--- a/crates/agent_ui/src/agent_configuration/manage_profiles_modal.rs
+++ b/crates/agent_ui/src/agent_configuration/manage_profiles_modal.rs
@@ -464,7 +464,7 @@ impl ManageProfilesModal {
                 },
             ))
             .child(ListSeparator)
-            .child(h_flex().p_2().child(mode.name_editor.clone()))
+            .child(h_flex().p_2().child(mode.name_editor))
     }
 
     fn render_view_profile(
@@ -483,7 +483,7 @@ impl ManageProfilesModal {
 
         let icon = match mode.profile_id.as_str() {
             "write" => IconName::Pencil,
-            "ask" => IconName::MessageBubbles,
+            "ask" => IconName::Chat,
             _ => IconName::UserRoundPen,
         };
 
@@ -594,7 +594,7 @@ impl ManageProfilesModal {
                                         .inset(true)
                                         .spacing(ListItemSpacing::Sparse)
                                         .start_slot(
-                                            Icon::new(IconName::Hammer)
+                                            Icon::new(IconName::ToolHammer)
                                                 .size(IconSize::Small)
                                                 .color(Color::Muted),
                                         )
@@ -763,7 +763,7 @@ impl Render for ManageProfilesModal {
                         .pb_1()
                         .child(ProfileModalHeader::new(
                             format!("{profile_name} — Configure MCP Tools"),
-                            Some(IconName::Hammer),
+                            Some(IconName::ToolHammer),
                         ))
                         .child(ListSeparator)
                         .child(tool_picker.clone())
diff --git a/crates/agent_ui/src/agent_configuration/tool_picker.rs b/crates/agent_ui/src/agent_configuration/tool_picker.rs
index 8f1e0d71c0..25947a1e58 100644
--- a/crates/agent_ui/src/agent_configuration/tool_picker.rs
+++ b/crates/agent_ui/src/agent_configuration/tool_picker.rs
@@ -191,10 +191,10 @@ impl PickerDelegate for ToolPickerDelegate {
                         BTreeMap::default();
 
                     for item in all_items.iter() {
-                        if let PickerItem::Tool { server_id, name } = item.clone() {
-                            if name.contains(&query) {
-                                tools_by_provider.entry(server_id).or_default().push(name);
-                            }
+                        if let PickerItem::Tool { server_id, name } = item.clone()
+                            && name.contains(&query)
+                        {
+                            tools_by_provider.entry(server_id).or_default().push(name);
                         }
                     }
 
diff --git a/crates/agent_ui/src/agent_diff.rs b/crates/agent_ui/src/agent_diff.rs
index ec0a11f86b..1e1ff95178 100644
--- a/crates/agent_ui/src/agent_diff.rs
+++ b/crates/agent_ui/src/agent_diff.rs
@@ -1,9 +1,9 @@
 use crate::{Keep, KeepAll, OpenAgentDiff, Reject, RejectAll};
 use acp_thread::{AcpThread, AcpThreadEvent};
+use action_log::ActionLog;
 use agent::{Thread, ThreadEvent, ThreadSummary};
 use agent_settings::AgentSettings;
 use anyhow::Result;
-use assistant_tool::ActionLog;
 use buffer_diff::DiffHunkStatus;
 use collections::{HashMap, HashSet};
 use editor::{
@@ -185,7 +185,7 @@ impl AgentDiffPane {
         let focus_handle = cx.focus_handle();
         let multibuffer = cx.new(|_| MultiBuffer::new(Capability::ReadWrite));
 
-        let project = thread.project(cx).clone();
+        let project = thread.project(cx);
         let editor = cx.new(|cx| {
             let mut editor =
                 Editor::for_multibuffer(multibuffer.clone(), Some(project.clone()), window, cx);
@@ -196,27 +196,24 @@ impl AgentDiffPane {
             editor
         });
 
-        let action_log = thread.action_log(cx).clone();
+        let action_log = thread.action_log(cx);
 
         let mut this = Self {
-            _subscriptions: [
-                Some(
-                    cx.observe_in(&action_log, window, |this, _action_log, window, cx| {
-                        this.update_excerpts(window, cx)
-                    }),
-                ),
+            _subscriptions: vec![
+                cx.observe_in(&action_log, window, |this, _action_log, window, cx| {
+                    this.update_excerpts(window, cx)
+                }),
                 match &thread {
-                    AgentDiffThread::Native(thread) => {
-                        Some(cx.subscribe(&thread, |this, _thread, event, cx| {
-                            this.handle_thread_event(event, cx)
-                        }))
-                    }
-                    AgentDiffThread::AcpThread(_) => None,
+                    AgentDiffThread::Native(thread) => cx
+                        .subscribe(thread, |this, _thread, event, cx| {
+                            this.handle_native_thread_event(event, cx)
+                        }),
+                    AgentDiffThread::AcpThread(thread) => cx
+                        .subscribe(thread, |this, _thread, event, cx| {
+                            this.handle_acp_thread_event(event, cx)
+                        }),
                 },
-            ]
-            .into_iter()
-            .flatten()
-            .collect(),
+            ],
             title: SharedString::default(),
             multibuffer,
             editor,
@@ -288,7 +285,7 @@ impl AgentDiffPane {
                     && buffer
                         .read(cx)
                         .file()
-                        .map_or(false, |file| file.disk_state() == DiskState::Deleted)
+                        .is_some_and(|file| file.disk_state() == DiskState::Deleted)
                 {
                     editor.fold_buffer(snapshot.text.remote_id(), cx)
                 }
@@ -324,10 +321,15 @@ impl AgentDiffPane {
         }
     }
 
-    fn handle_thread_event(&mut self, event: &ThreadEvent, cx: &mut Context<Self>) {
-        match event {
-            ThreadEvent::SummaryGenerated => self.update_title(cx),
-            _ => {}
+    fn handle_native_thread_event(&mut self, event: &ThreadEvent, cx: &mut Context<Self>) {
+        if let ThreadEvent::SummaryGenerated = event {
+            self.update_title(cx)
+        }
+    }
+
+    fn handle_acp_thread_event(&mut self, event: &AcpThreadEvent, cx: &mut Context<Self>) {
+        if let AcpThreadEvent::TitleUpdated = event {
+            self.update_title(cx)
         }
     }
 
@@ -398,7 +400,7 @@ fn keep_edits_in_selection(
         .disjoint_anchor_ranges()
         .collect::<Vec<_>>();
 
-    keep_edits_in_ranges(editor, buffer_snapshot, &thread, ranges, window, cx)
+    keep_edits_in_ranges(editor, buffer_snapshot, thread, ranges, window, cx)
 }
 
 fn reject_edits_in_selection(
@@ -412,7 +414,7 @@ fn reject_edits_in_selection(
         .selections
         .disjoint_anchor_ranges()
         .collect::<Vec<_>>();
-    reject_edits_in_ranges(editor, buffer_snapshot, &thread, ranges, window, cx)
+    reject_edits_in_ranges(editor, buffer_snapshot, thread, ranges, window, cx)
 }
 
 fn keep_edits_in_ranges(
@@ -503,8 +505,7 @@ fn update_editor_selection(
                         &[last_kept_hunk_end..editor::Anchor::max()],
                         buffer_snapshot,
                     )
-                    .skip(1)
-                    .next()
+                    .nth(1)
             })
             .or_else(|| {
                 let first_kept_hunk = diff_hunks.first()?;
@@ -1001,7 +1002,7 @@ impl AgentDiffToolbar {
             return;
         };
 
-        *state = agent_diff.read(cx).editor_state(&editor);
+        *state = agent_diff.read(cx).editor_state(editor);
         self.update_location(cx);
         cx.notify();
     }
@@ -1044,23 +1045,23 @@ impl ToolbarItemView for AgentDiffToolbar {
                 return self.location(cx);
             }
 
-            if let Some(editor) = item.act_as::<Editor>(cx) {
-                if editor.read(cx).mode().is_full() {
-                    let agent_diff = AgentDiff::global(cx);
+            if let Some(editor) = item.act_as::<Editor>(cx)
+                && editor.read(cx).mode().is_full()
+            {
+                let agent_diff = AgentDiff::global(cx);
 
-                    self.active_item = Some(AgentDiffToolbarItem::Editor {
-                        editor: editor.downgrade(),
-                        state: agent_diff.read(cx).editor_state(&editor.downgrade()),
-                        _diff_subscription: cx.observe(&agent_diff, Self::handle_diff_notify),
-                    });
+                self.active_item = Some(AgentDiffToolbarItem::Editor {
+                    editor: editor.downgrade(),
+                    state: agent_diff.read(cx).editor_state(&editor.downgrade()),
+                    _diff_subscription: cx.observe(&agent_diff, Self::handle_diff_notify),
+                });
 
-                    return self.location(cx);
-                }
+                return self.location(cx);
             }
         }
 
         self.active_item = None;
-        return self.location(cx);
+        self.location(cx)
     }
 
     fn pane_focus_update(
@@ -1311,7 +1312,7 @@ impl AgentDiff {
                 let entity = cx.new(|_cx| Self::default());
                 let global = AgentDiffGlobal(entity.clone());
                 cx.set_global(global);
-                entity.clone()
+                entity
             })
     }
 
@@ -1333,7 +1334,7 @@ impl AgentDiff {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        let action_log = thread.action_log(cx).clone();
+        let action_log = thread.action_log(cx);
 
         let action_log_subscription = cx.observe_in(&action_log, window, {
             let workspace = workspace.clone();
@@ -1343,13 +1344,13 @@ impl AgentDiff {
         });
 
         let thread_subscription = match &thread {
-            AgentDiffThread::Native(thread) => cx.subscribe_in(&thread, window, {
+            AgentDiffThread::Native(thread) => cx.subscribe_in(thread, window, {
                 let workspace = workspace.clone();
                 move |this, _thread, event, window, cx| {
                     this.handle_native_thread_event(&workspace, event, window, cx)
                 }
             }),
-            AgentDiffThread::AcpThread(thread) => cx.subscribe_in(&thread, window, {
+            AgentDiffThread::AcpThread(thread) => cx.subscribe_in(thread, window, {
                 let workspace = workspace.clone();
                 move |this, thread, event, window, cx| {
                     this.handle_acp_thread_event(&workspace, thread, event, window, cx)
@@ -1357,11 +1358,11 @@ impl AgentDiff {
             }),
         };
 
-        if let Some(workspace_thread) = self.workspace_threads.get_mut(&workspace) {
+        if let Some(workspace_thread) = self.workspace_threads.get_mut(workspace) {
             // replace thread and action log subscription, but keep editors
             workspace_thread.thread = thread.downgrade();
             workspace_thread._thread_subscriptions = (action_log_subscription, thread_subscription);
-            self.update_reviewing_editors(&workspace, window, cx);
+            self.update_reviewing_editors(workspace, window, cx);
             return;
         }
 
@@ -1506,7 +1507,7 @@ impl AgentDiff {
                     .read(cx)
                     .entries()
                     .last()
-                    .map_or(false, |entry| entry.diffs().next().is_some())
+                    .is_some_and(|entry| entry.diffs().next().is_some())
                 {
                     self.update_reviewing_editors(workspace, window, cx);
                 }
@@ -1516,11 +1517,20 @@ impl AgentDiff {
                     .read(cx)
                     .entries()
                     .get(*ix)
-                    .map_or(false, |entry| entry.diffs().next().is_some())
+                    .is_some_and(|entry| entry.diffs().next().is_some())
                 {
                     self.update_reviewing_editors(workspace, window, cx);
                 }
             }
+            AcpThreadEvent::Stopped | AcpThreadEvent::Error | AcpThreadEvent::LoadError(_) => {
+                self.update_reviewing_editors(workspace, window, cx);
+            }
+            AcpThreadEvent::TitleUpdated
+            | AcpThreadEvent::TokenUsageUpdated
+            | AcpThreadEvent::EntriesRemoved(_)
+            | AcpThreadEvent::ToolAuthorizationRequired
+            | AcpThreadEvent::PromptCapabilitiesUpdated
+            | AcpThreadEvent::Retry(_) => {}
         }
     }
 
@@ -1531,21 +1541,11 @@ impl AgentDiff {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        match event {
-            workspace::Event::ItemAdded { item } => {
-                if let Some(editor) = item.downcast::<Editor>() {
-                    if let Some(buffer) = Self::full_editor_buffer(editor.read(cx), cx) {
-                        self.register_editor(
-                            workspace.downgrade(),
-                            buffer.clone(),
-                            editor,
-                            window,
-                            cx,
-                        );
-                    }
-                }
-            }
-            _ => {}
+        if let workspace::Event::ItemAdded { item } = event
+            && let Some(editor) = item.downcast::<Editor>()
+            && let Some(buffer) = Self::full_editor_buffer(editor.read(cx), cx)
+        {
+            self.register_editor(workspace.downgrade(), buffer, editor, window, cx);
         }
     }
 
@@ -1644,7 +1644,7 @@ impl AgentDiff {
                 continue;
             };
 
-            for (weak_editor, _) in buffer_editors {
+            for weak_editor in buffer_editors.keys() {
                 let Some(editor) = weak_editor.upgrade() else {
                     continue;
                 };
@@ -1672,7 +1672,7 @@ impl AgentDiff {
                         editor.register_addon(EditorAgentDiffAddon);
                     });
                 } else {
-                    unaffected.remove(&weak_editor);
+                    unaffected.remove(weak_editor);
                 }
 
                 if new_state == EditorState::Reviewing && previous_state != Some(new_state) {
@@ -1705,7 +1705,7 @@ impl AgentDiff {
                 .read_with(cx, |editor, _cx| editor.workspace())
                 .ok()
                 .flatten()
-                .map_or(false, |editor_workspace| {
+                .is_some_and(|editor_workspace| {
                     editor_workspace.entity_id() == workspace.entity_id()
                 });
 
@@ -1725,7 +1725,7 @@ impl AgentDiff {
 
     fn editor_state(&self, editor: &WeakEntity<Editor>) -> EditorState {
         self.reviewing_editors
-            .get(&editor)
+            .get(editor)
             .cloned()
             .unwrap_or(EditorState::Idle)
     }
@@ -1845,26 +1845,26 @@ impl AgentDiff {
 
         let thread = thread.upgrade()?;
 
-        if let PostReviewState::AllReviewed = review(&editor, &thread, window, cx) {
-            if let Some(curr_buffer) = editor.read(cx).buffer().read(cx).as_singleton() {
-                let changed_buffers = thread.action_log(cx).read(cx).changed_buffers(cx);
+        if let PostReviewState::AllReviewed = review(&editor, &thread, window, cx)
+            && let Some(curr_buffer) = editor.read(cx).buffer().read(cx).as_singleton()
+        {
+            let changed_buffers = thread.action_log(cx).read(cx).changed_buffers(cx);
 
-                let mut keys = changed_buffers.keys().cycle();
-                keys.find(|k| *k == &curr_buffer);
-                let next_project_path = keys
-                    .next()
-                    .filter(|k| *k != &curr_buffer)
-                    .and_then(|after| after.read(cx).project_path(cx));
+            let mut keys = changed_buffers.keys().cycle();
+            keys.find(|k| *k == &curr_buffer);
+            let next_project_path = keys
+                .next()
+                .filter(|k| *k != &curr_buffer)
+                .and_then(|after| after.read(cx).project_path(cx));
 
-                if let Some(path) = next_project_path {
-                    let task = workspace.open_path(path, None, true, window, cx);
-                    let task = cx.spawn(async move |_, _cx| task.await.map(|_| ()));
-                    return Some(task);
-                }
+            if let Some(path) = next_project_path {
+                let task = workspace.open_path(path, None, true, window, cx);
+                let task = cx.spawn(async move |_, _cx| task.await.map(|_| ()));
+                return Some(task);
             }
         }
 
-        return Some(Task::ready(Ok(())));
+        Some(Task::ready(Ok(())))
     }
 }
 
diff --git a/crates/agent_ui/src/agent_model_selector.rs b/crates/agent_ui/src/agent_model_selector.rs
index b989e7bf1e..3de1027d91 100644
--- a/crates/agent_ui/src/agent_model_selector.rs
+++ b/crates/agent_ui/src/agent_model_selector.rs
@@ -66,10 +66,8 @@ impl AgentModelSelector {
                                     fs.clone(),
                                     cx,
                                     move |settings, _cx| {
-                                        settings.set_inline_assistant_model(
-                                            provider.clone(),
-                                            model_id.clone(),
-                                        );
+                                        settings
+                                            .set_inline_assistant_model(provider.clone(), model_id);
                                     },
                                 );
                             }
diff --git a/crates/agent_ui/src/agent_panel.rs b/crates/agent_ui/src/agent_panel.rs
index e7b1943561..267c76d73f 100644
--- a/crates/agent_ui/src/agent_panel.rs
+++ b/crates/agent_ui/src/agent_panel.rs
@@ -1,23 +1,25 @@
-use std::cell::RefCell;
 use std::ops::{Not, Range};
 use std::path::Path;
 use std::rc::Rc;
 use std::sync::Arc;
 use std::time::Duration;
 
-use agent_servers::AgentServer;
+use acp_thread::AcpThread;
+use agent_servers::AgentServerSettings;
+use agent2::{DbThreadMetadata, HistoryEntry};
 use db::kvp::{Dismissable, KEY_VALUE_STORE};
 use serde::{Deserialize, Serialize};
+use zed_actions::OpenBrowser;
+use zed_actions::agent::ReauthenticateAgent;
 
-use crate::NewExternalAgentThread;
+use crate::acp::{AcpThreadHistory, ThreadHistoryEvent};
 use crate::agent_diff::AgentDiffThread;
-use crate::message_editor::{MAX_EDITOR_LINES, MIN_EDITOR_LINES};
-use crate::ui::NewThreadButton;
 use crate::{
     AddContextServer, AgentDiffPane, ContinueThread, ContinueWithBurnMode,
     DeleteRecentlyOpenThread, ExpandMessageEditor, Follow, InlineAssistant, NewTextThread,
     NewThread, OpenActiveThreadAsMarkdown, OpenAgentDiff, OpenHistory, ResetTrialEndUpsell,
-    ResetTrialUpsell, ToggleBurnMode, ToggleContextPicker, ToggleNavigationMenu, ToggleOptionsMenu,
+    ResetTrialUpsell, ToggleBurnMode, ToggleContextPicker, ToggleNavigationMenu,
+    ToggleNewThreadMenu, ToggleOptionsMenu,
     acp::AcpThreadView,
     active_thread::{self, ActiveThread, ActiveThreadEvent},
     agent_configuration::{AgentConfiguration, AssistantConfigurationEvent},
@@ -31,6 +33,7 @@ use crate::{
     thread_history::{HistoryEntryElement, ThreadHistory},
     ui::{AgentOnboardingModal, EndTrialUpsell},
 };
+use crate::{ExternalAgent, NewExternalAgentThread, NewNativeAgentThreadFromSummary};
 use agent::{
     Thread, ThreadError, ThreadEvent, ThreadId, ThreadSummary, TokenUsageRatio,
     context_store::ContextStore,
@@ -43,24 +46,20 @@ use anyhow::{Result, anyhow};
 use assistant_context::{AssistantContext, ContextEvent, ContextSummary};
 use assistant_slash_command::SlashCommandWorkingSet;
 use assistant_tool::ToolWorkingSet;
-use client::{DisableAiSettings, UserStore, zed_urls};
-use cloud_llm_client::{CompletionIntent, UsageLimit};
+use client::{UserStore, zed_urls};
+use cloud_llm_client::{CompletionIntent, Plan, UsageLimit};
 use editor::{Anchor, AnchorRangeExt as _, Editor, EditorEvent, MultiBuffer};
-use feature_flags::{self, FeatureFlagAppExt};
+use feature_flags::{self, ClaudeCodeFeatureFlag, FeatureFlagAppExt, GeminiAndNativeFeatureFlag};
 use fs::Fs;
 use gpui::{
     Action, Animation, AnimationExt as _, AnyElement, App, AsyncWindowContext, ClipboardItem,
-    Corner, DismissEvent, Entity, EventEmitter, ExternalPaths, FocusHandle, Focusable, Hsla,
-    KeyContext, Pixels, Subscription, Task, UpdateGlobal, WeakEntity, prelude::*,
-    pulsating_between,
+    Corner, DismissEvent, Entity, EventEmitter, ExternalPaths, FocusHandle, Focusable, KeyContext,
+    Pixels, Subscription, Task, UpdateGlobal, WeakEntity, prelude::*, pulsating_between,
 };
 use language::LanguageRegistry;
-use language_model::{
-    ConfigurationError, ConfiguredModel, LanguageModelProviderTosView, LanguageModelRegistry,
-};
-use project::{Project, ProjectPath, Worktree};
+use language_model::{ConfigurationError, ConfiguredModel, LanguageModelRegistry};
+use project::{DisableAiSettings, Project, ProjectPath, Worktree};
 use prompt_store::{PromptBuilder, PromptStore, UserPromptId};
-use proto::Plan;
 use rules_library::{RulesLibrary, open_rules_library};
 use search::{BufferSearchBar, buffer_search};
 use settings::{Settings, update_settings_file};
@@ -87,6 +86,7 @@ const AGENT_PANEL_KEY: &str = "agent_panel";
 #[derive(Serialize, Deserialize)]
 struct SerializedAgentPanel {
     width: Option<Pixels>,
+    selected_agent: Option<AgentType>,
 }
 
 pub fn init(cx: &mut App) {
@@ -99,6 +99,16 @@ pub fn init(cx: &mut App) {
                         workspace.focus_panel::<AgentPanel>(window, cx);
                     }
                 })
+                .register_action(
+                    |workspace, action: &NewNativeAgentThreadFromSummary, window, cx| {
+                        if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
+                            panel.update(cx, |panel, cx| {
+                                panel.new_native_agent_thread_from_summary(action, window, cx)
+                            });
+                            workspace.focus_panel::<AgentPanel>(window, cx);
+                        }
+                    },
+                )
                 .register_action(|workspace, _: &OpenHistory, window, cx| {
                     if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
                         workspace.focus_panel::<AgentPanel>(window, cx);
@@ -121,7 +131,7 @@ pub fn init(cx: &mut App) {
                     if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
                         workspace.focus_panel::<AgentPanel>(window, cx);
                         panel.update(cx, |panel, cx| {
-                            panel.new_external_thread(action.agent, window, cx)
+                            panel.external_thread(action.agent.clone(), None, None, window, cx)
                         });
                     }
                 })
@@ -180,6 +190,14 @@ pub fn init(cx: &mut App) {
                         });
                     }
                 })
+                .register_action(|workspace, _: &ToggleNewThreadMenu, window, cx| {
+                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
+                        workspace.focus_panel::<AgentPanel>(window, cx);
+                        panel.update(cx, |panel, cx| {
+                            panel.toggle_new_thread_menu(&ToggleNewThreadMenu, window, cx);
+                        });
+                    }
+                })
                 .register_action(|workspace, _: &OpenOnboardingModal, window, cx| {
                     AgentOnboardingModal::toggle(workspace, window, cx)
                 })
@@ -224,6 +242,42 @@ enum WhichFontSize {
     None,
 }
 
+// TODO unify this with ExternalAgent
+#[derive(Debug, Default, Clone, PartialEq, Serialize, Deserialize)]
+pub enum AgentType {
+    #[default]
+    Zed,
+    TextThread,
+    Gemini,
+    ClaudeCode,
+    NativeAgent,
+    Custom {
+        name: SharedString,
+        settings: AgentServerSettings,
+    },
+}
+
+impl AgentType {
+    fn label(&self) -> SharedString {
+        match self {
+            Self::Zed | Self::TextThread => "Zed Agent".into(),
+            Self::NativeAgent => "Agent 2".into(),
+            Self::Gemini => "Gemini CLI".into(),
+            Self::ClaudeCode => "Claude Code".into(),
+            Self::Custom { name, .. } => name.into(),
+        }
+    }
+
+    fn icon(&self) -> Option<IconName> {
+        match self {
+            Self::Zed | Self::NativeAgent | Self::TextThread => None,
+            Self::Gemini => Some(IconName::AiGemini),
+            Self::ClaudeCode => Some(IconName::AiClaude),
+            Self::Custom { .. } => Some(IconName::Terminal),
+        }
+    }
+}
+
 impl ActiveView {
     pub fn which_font_size_used(&self) -> WhichFontSize {
         match self {
@@ -318,7 +372,7 @@ impl ActiveView {
         Self::Thread {
             change_title_editor: editor,
             thread: active_thread,
-            message_editor: message_editor,
+            message_editor,
             _subscriptions: subscriptions,
         }
     }
@@ -326,6 +380,7 @@ impl ActiveView {
     pub fn prompt_editor(
         context_editor: Entity<TextThreadEditor>,
         history_store: Entity<HistoryStore>,
+        acp_history_store: Entity<agent2::HistoryStore>,
         language_registry: Arc<LanguageRegistry>,
         window: &mut Window,
         cx: &mut App,
@@ -403,6 +458,18 @@ impl ActiveView {
                                 );
                             }
                         });
+
+                        acp_history_store.update(cx, |history_store, cx| {
+                            if let Some(old_path) = old_path {
+                                history_store
+                                    .replace_recently_opened_text_thread(old_path, new_path, cx);
+                            } else {
+                                history_store.push_recently_opened_entry(
+                                    agent2::HistoryEntryId::TextThread(new_path.clone()),
+                                    cx,
+                                );
+                            }
+                        });
                     }
                     _ => {}
                 }
@@ -431,6 +498,8 @@ pub struct AgentPanel {
     fs: Arc<dyn Fs>,
     language_registry: Arc<LanguageRegistry>,
     thread_store: Entity<ThreadStore>,
+    acp_history: Entity<AcpThreadHistory>,
+    acp_history_store: Entity<agent2::HistoryStore>,
     _default_model_subscription: Subscription,
     context_store: Entity<TextThreadStore>,
     prompt_store: Option<Entity<PromptStore>>,
@@ -439,8 +508,6 @@ pub struct AgentPanel {
     configuration_subscription: Option<Subscription>,
     local_timezone: UtcOffset,
     active_view: ActiveView,
-    acp_message_history:
-        Rc<RefCell<crate::acp::MessageHistory<Vec<agent_client_protocol::ContentBlock>>>>,
     previous_view: Option<ActiveView>,
     history_store: Entity<HistoryStore>,
     history: Entity<ThreadHistory>,
@@ -454,21 +521,27 @@ pub struct AgentPanel {
     zoomed: bool,
     pending_serialization: Option<Task<Result<()>>>,
     onboarding: Entity<AgentPanelOnboarding>,
+    selected_agent: AgentType,
 }
 
 impl AgentPanel {
     fn serialize(&mut self, cx: &mut Context<Self>) {
         let width = self.width;
+        let selected_agent = self.selected_agent.clone();
         self.pending_serialization = Some(cx.background_spawn(async move {
             KEY_VALUE_STORE
                 .write_kvp(
                     AGENT_PANEL_KEY.into(),
-                    serde_json::to_string(&SerializedAgentPanel { width })?,
+                    serde_json::to_string(&SerializedAgentPanel {
+                        width,
+                        selected_agent: Some(selected_agent),
+                    })?,
                 )
                 .await?;
             anyhow::Ok(())
         }));
     }
+
     pub fn load(
         workspace: WeakEntity<Workspace>,
         prompt_builder: Arc<PromptBuilder>,
@@ -532,6 +605,10 @@ impl AgentPanel {
                 if let Some(serialized_panel) = serialized_panel {
                     panel.update(cx, |panel, cx| {
                         panel.width = serialized_panel.width.map(|w| w.round());
+                        if let Some(selected_agent) = serialized_panel.selected_agent {
+                            panel.selected_agent = selected_agent.clone();
+                            panel.new_agent_thread(selected_agent, window, cx);
+                        }
                         cx.notify();
                     });
                 }
@@ -579,7 +656,6 @@ impl AgentPanel {
             MessageEditor::new(
                 fs.clone(),
                 workspace.clone(),
-                user_store.clone(),
                 message_editor_context_store.clone(),
                 prompt_store.clone(),
                 thread_store.downgrade(),
@@ -591,6 +667,29 @@ impl AgentPanel {
             )
         });
 
+        let acp_history_store = cx.new(|cx| agent2::HistoryStore::new(context_store.clone(), cx));
+        let acp_history = cx.new(|cx| AcpThreadHistory::new(acp_history_store.clone(), window, cx));
+        cx.subscribe_in(
+            &acp_history,
+            window,
+            |this, _, event, window, cx| match event {
+                ThreadHistoryEvent::Open(HistoryEntry::AcpThread(thread)) => {
+                    this.external_thread(
+                        Some(crate::ExternalAgent::NativeAgent),
+                        Some(thread.clone()),
+                        None,
+                        window,
+                        cx,
+                    );
+                }
+                ThreadHistoryEvent::Open(HistoryEntry::TextThread(thread)) => {
+                    this.open_saved_prompt_editor(thread.path.clone(), window, cx)
+                        .detach_and_log_err(cx);
+                }
+            },
+        )
+        .detach();
+
         cx.observe(&history_store, |_, _, cx| cx.notify()).detach();
 
         let active_thread = cx.new(|cx| {
@@ -629,6 +728,7 @@ impl AgentPanel {
                 ActiveView::prompt_editor(
                     context_editor,
                     history_store.clone(),
+                    acp_history_store.clone(),
                     language_registry.clone(),
                     window,
                     cx,
@@ -645,7 +745,11 @@ impl AgentPanel {
             let assistant_navigation_menu =
                 ContextMenu::build_persistent(window, cx, move |mut menu, _window, cx| {
                     if let Some(panel) = panel.upgrade() {
-                        menu = Self::populate_recently_opened_menu_section(menu, panel, cx);
+                        if cx.has_flag::<GeminiAndNativeFeatureFlag>() {
+                            menu = Self::populate_recently_opened_menu_section_new(menu, panel, cx);
+                        } else {
+                            menu = Self::populate_recently_opened_menu_section_old(menu, panel, cx);
+                        }
                     }
                     menu.action("View All", Box::new(OpenHistory))
                         .end_slot_action(DeleteRecentlyOpenThread.boxed_clone())
@@ -671,25 +775,25 @@ impl AgentPanel {
                 .ok();
         });
 
-        let _default_model_subscription = cx.subscribe(
-            &LanguageModelRegistry::global(cx),
-            |this, _, event: &language_model::Event, cx| match event {
-                language_model::Event::DefaultModelChanged => match &this.active_view {
-                    ActiveView::Thread { thread, .. } => {
-                        thread
-                            .read(cx)
-                            .thread()
-                            .clone()
-                            .update(cx, |thread, cx| thread.get_or_init_configured_model(cx));
+        let _default_model_subscription =
+            cx.subscribe(
+                &LanguageModelRegistry::global(cx),
+                |this, _, event: &language_model::Event, cx| {
+                    if let language_model::Event::DefaultModelChanged = event {
+                        match &this.active_view {
+                            ActiveView::Thread { thread, .. } => {
+                                thread.read(cx).thread().clone().update(cx, |thread, cx| {
+                                    thread.get_or_init_configured_model(cx)
+                                });
+                            }
+                            ActiveView::ExternalAgentThread { .. }
+                            | ActiveView::TextThread { .. }
+                            | ActiveView::History
+                            | ActiveView::Configuration => {}
+                        }
                     }
-                    ActiveView::ExternalAgentThread { .. }
-                    | ActiveView::TextThread { .. }
-                    | ActiveView::History
-                    | ActiveView::Configuration => {}
                 },
-                _ => {}
-            },
-        );
+            );
 
         let onboarding = cx.new(|cx| {
             AgentPanelOnboarding::new(
@@ -721,7 +825,6 @@ impl AgentPanel {
             .unwrap(),
             inline_assist_context_store,
             previous_view: None,
-            acp_message_history: Default::default(),
             history_store: history_store.clone(),
             history: cx.new(|cx| ThreadHistory::new(weak_self, history_store, window, cx)),
             hovered_recent_history_item: None,
@@ -734,6 +837,9 @@ impl AgentPanel {
             zoomed: false,
             pending_serialization: None,
             onboarding,
+            acp_history,
+            acp_history_store,
+            selected_agent: AgentType::default(),
         }
     }
 
@@ -777,10 +883,10 @@ impl AgentPanel {
             ActiveView::Thread { thread, .. } => {
                 thread.update(cx, |thread, cx| thread.cancel_last_completion(window, cx));
             }
-            ActiveView::ExternalAgentThread { thread_view, .. } => {
-                thread_view.update(cx, |thread_element, cx| thread_element.cancel(cx));
-            }
-            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
+            ActiveView::ExternalAgentThread { .. }
+            | ActiveView::TextThread { .. }
+            | ActiveView::History
+            | ActiveView::Configuration => {}
         }
     }
 
@@ -794,7 +900,20 @@ impl AgentPanel {
         }
     }
 
+    fn active_thread_view(&self) -> Option<&Entity<AcpThreadView>> {
+        match &self.active_view {
+            ActiveView::ExternalAgentThread { thread_view, .. } => Some(thread_view),
+            ActiveView::Thread { .. }
+            | ActiveView::TextThread { .. }
+            | ActiveView::History
+            | ActiveView::Configuration => None,
+        }
+    }
+
     fn new_thread(&mut self, action: &NewThread, window: &mut Window, cx: &mut Context<Self>) {
+        if cx.has_flag::<GeminiAndNativeFeatureFlag>() {
+            return self.new_agent_thread(AgentType::NativeAgent, window, cx);
+        }
         // Preserve chat box text when using creating new thread
         let preserved_text = self
             .active_message_editor()
@@ -848,7 +967,6 @@ impl AgentPanel {
             MessageEditor::new(
                 self.fs.clone(),
                 self.workspace.clone(),
-                self.user_store.clone(),
                 context_store.clone(),
                 self.prompt_store.clone(),
                 self.thread_store.downgrade(),
@@ -868,13 +986,38 @@ impl AgentPanel {
 
         message_editor.focus_handle(cx).focus(window);
 
-        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
+        let thread_view = ActiveView::thread(active_thread, message_editor, window, cx);
         self.set_active_view(thread_view, window, cx);
 
         AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
     }
 
+    fn new_native_agent_thread_from_summary(
+        &mut self,
+        action: &NewNativeAgentThreadFromSummary,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let Some(thread) = self
+            .acp_history_store
+            .read(cx)
+            .thread_from_session_id(&action.from_session_id)
+        else {
+            return;
+        };
+
+        self.external_thread(
+            Some(ExternalAgent::NativeAgent),
+            None,
+            Some(thread.clone()),
+            window,
+            cx,
+        );
+    }
+
     fn new_prompt_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        telemetry::event!("Agent Thread Started", agent = "zed-text");
+
         let context = self
             .context_store
             .update(cx, |context_store, cx| context_store.create(cx));
@@ -900,6 +1043,7 @@ impl AgentPanel {
             ActiveView::prompt_editor(
                 context_editor.clone(),
                 self.history_store.clone(),
+                self.acp_history_store.clone(),
                 self.language_registry.clone(),
                 window,
                 cx,
@@ -910,15 +1054,17 @@ impl AgentPanel {
         context_editor.focus_handle(cx).focus(window);
     }
 
-    fn new_external_thread(
+    fn external_thread(
         &mut self,
         agent_choice: Option<crate::ExternalAgent>,
+        resume_thread: Option<DbThreadMetadata>,
+        summarize_thread: Option<DbThreadMetadata>,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
         let workspace = self.workspace.clone();
         let project = self.project.clone();
-        let message_history = self.acp_message_history.clone();
+        let fs = self.fs.clone();
 
         const LAST_USED_EXTERNAL_AGENT_KEY: &str = "agent_panel__last_used_external_agent";
 
@@ -927,25 +1073,30 @@ impl AgentPanel {
             agent: crate::ExternalAgent,
         }
 
+        let history = self.acp_history_store.clone();
+
         cx.spawn_in(window, async move |this, cx| {
-            let server: Rc<dyn AgentServer> = match agent_choice {
+            let ext_agent = match agent_choice {
                 Some(agent) => {
-                    cx.background_spawn(async move {
-                        if let Some(serialized) =
-                            serde_json::to_string(&LastUsedExternalAgent { agent }).log_err()
-                        {
-                            KEY_VALUE_STORE
-                                .write_kvp(LAST_USED_EXTERNAL_AGENT_KEY.to_string(), serialized)
-                                .await
-                                .log_err();
+                    cx.background_spawn({
+                        let agent = agent.clone();
+                        async move {
+                            if let Some(serialized) =
+                                serde_json::to_string(&LastUsedExternalAgent { agent }).log_err()
+                            {
+                                KEY_VALUE_STORE
+                                    .write_kvp(LAST_USED_EXTERNAL_AGENT_KEY.to_string(), serialized)
+                                    .await
+                                    .log_err();
+                            }
                         }
                     })
                     .detach();
 
-                    agent.server()
+                    agent
                 }
-                None => cx
-                    .background_spawn(async move {
+                None => {
+                    cx.background_spawn(async move {
                         KEY_VALUE_STORE.read_kvp(LAST_USED_EXTERNAL_AGENT_KEY)
                     })
                     .await
@@ -956,30 +1107,44 @@ impl AgentPanel {
                     })
                     .unwrap_or_default()
                     .agent
-                    .server(),
+                }
             };
 
+            telemetry::event!("Agent Thread Started", agent = ext_agent.name());
+
+            let server = ext_agent.server(fs, history);
+
             this.update_in(cx, |this, window, cx| {
+                match ext_agent {
+                    crate::ExternalAgent::Gemini
+                    | crate::ExternalAgent::NativeAgent
+                    | crate::ExternalAgent::Custom { .. } => {
+                        if !cx.has_flag::<GeminiAndNativeFeatureFlag>() {
+                            return;
+                        }
+                    }
+                    crate::ExternalAgent::ClaudeCode => {
+                        if !cx.has_flag::<ClaudeCodeFeatureFlag>() {
+                            return;
+                        }
+                    }
+                }
+
                 let thread_view = cx.new(|cx| {
                     crate::acp::AcpThreadView::new(
                         server,
+                        resume_thread,
+                        summarize_thread,
                         workspace.clone(),
                         project,
-                        message_history,
-                        MIN_EDITOR_LINES,
-                        Some(MAX_EDITOR_LINES),
+                        this.acp_history_store.clone(),
+                        this.prompt_store.clone(),
                         window,
                         cx,
                     )
                 });
 
-                this.set_active_view(
-                    ActiveView::ExternalAgentThread {
-                        thread_view: thread_view.clone(),
-                    },
-                    window,
-                    cx,
-                );
+                this.set_active_view(ActiveView::ExternalAgentThread { thread_view }, window, cx);
             })
         })
         .detach_and_log_err(cx);
@@ -1062,8 +1227,9 @@ impl AgentPanel {
         });
         self.set_active_view(
             ActiveView::prompt_editor(
-                editor.clone(),
+                editor,
                 self.history_store.clone(),
+                self.acp_history_store.clone(),
                 self.language_registry.clone(),
                 window,
                 cx,
@@ -1122,7 +1288,6 @@ impl AgentPanel {
             MessageEditor::new(
                 self.fs.clone(),
                 self.workspace.clone(),
-                self.user_store.clone(),
                 context_store,
                 self.prompt_store.clone(),
                 self.thread_store.downgrade(),
@@ -1135,7 +1300,7 @@ impl AgentPanel {
         });
         message_editor.focus_handle(cx).focus(window);
 
-        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
+        let thread_view = ActiveView::thread(active_thread, message_editor, window, cx);
         self.set_active_view(thread_view, window, cx);
         AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
     }
@@ -1183,6 +1348,15 @@ impl AgentPanel {
         self.agent_panel_menu_handle.toggle(window, cx);
     }
 
+    pub fn toggle_new_thread_menu(
+        &mut self,
+        _: &ToggleNewThreadMenu,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        self.new_thread_menu_handle.toggle(window, cx);
+    }
+
     pub fn increase_font_size(
         &mut self,
         action: &IncreaseBufferFontSize,
@@ -1213,13 +1387,11 @@ impl AgentPanel {
                                 ThemeSettings::get_global(cx).agent_font_size(cx) + delta;
                             let _ = settings
                                 .agent_font_size
-                                .insert(theme::clamp_font_size(agent_font_size).0);
+                                .insert(Some(theme::clamp_font_size(agent_font_size).into()));
                         },
                     );
                 } else {
-                    theme::adjust_agent_font_size(cx, |size| {
-                        *size += delta;
-                    });
+                    theme::adjust_agent_font_size(cx, |size| size + delta);
                 }
             }
             WhichFontSize::BufferFont => {
@@ -1297,6 +1469,7 @@ impl AgentPanel {
                 tools,
                 self.language_registry.clone(),
                 self.workspace.clone(),
+                self.project.downgrade(),
                 window,
                 cx,
             )
@@ -1355,15 +1528,14 @@ impl AgentPanel {
             AssistantConfigurationEvent::NewThread(provider) => {
                 if LanguageModelRegistry::read_global(cx)
                     .default_model()
-                    .map_or(true, |model| model.provider.id() != provider.id())
+                    .is_none_or(|model| model.provider.id() != provider.id())
+                    && let Some(model) = provider.default_model(cx)
                 {
-                    if let Some(model) = provider.default_model(cx) {
-                        update_settings_file::<AgentSettings>(
-                            self.fs.clone(),
-                            cx,
-                            move |settings, _| settings.set_model(model),
-                        );
-                    }
+                    update_settings_file::<AgentSettings>(
+                        self.fs.clone(),
+                        cx,
+                        move |settings, _| settings.set_model(model),
+                    );
                 }
 
                 self.new_thread(&NewThread::default(), window, cx);
@@ -1390,6 +1562,14 @@ impl AgentPanel {
             _ => None,
         }
     }
+    pub(crate) fn active_agent_thread(&self, cx: &App) -> Option<Entity<AcpThread>> {
+        match &self.active_view {
+            ActiveView::ExternalAgentThread { thread_view, .. } => {
+                thread_view.read(cx).thread().cloned()
+            }
+            _ => None,
+        }
+    }
 
     pub(crate) fn delete_thread(
         &mut self,
@@ -1410,7 +1590,7 @@ impl AgentPanel {
             return;
         }
 
-        let model = thread_state.configured_model().map(|cm| cm.model.clone());
+        let model = thread_state.configured_model().map(|cm| cm.model);
         if let Some(model) = model {
             thread.update(cx, |active_thread, cx| {
                 active_thread.thread().update(cx, |thread, cx| {
@@ -1482,17 +1662,14 @@ impl AgentPanel {
         let current_is_special = current_is_history || current_is_config;
         let new_is_special = new_is_history || new_is_config;
 
-        match &self.active_view {
-            ActiveView::Thread { thread, .. } => {
-                let thread = thread.read(cx);
-                if thread.is_empty() {
-                    let id = thread.thread().read(cx).id().clone();
-                    self.history_store.update(cx, |store, cx| {
-                        store.remove_recently_opened_thread(id, cx);
-                    });
-                }
+        if let ActiveView::Thread { thread, .. } = &self.active_view {
+            let thread = thread.read(cx);
+            if thread.is_empty() {
+                let id = thread.thread().read(cx).id().clone();
+                self.history_store.update(cx, |store, cx| {
+                    store.remove_recently_opened_thread(id, cx);
+                });
             }
-            _ => {}
         }
 
         match &new_view {
@@ -1505,6 +1682,14 @@ impl AgentPanel {
                     if let Some(path) = context_editor.read(cx).context().read(cx).path() {
                         store.push_recently_opened_entry(HistoryEntryId::Context(path.clone()), cx)
                     }
+                });
+                self.acp_history_store.update(cx, |store, cx| {
+                    if let Some(path) = context_editor.read(cx).context().read(cx).path() {
+                        store.push_recently_opened_entry(
+                            agent2::HistoryEntryId::TextThread(path.clone()),
+                            cx,
+                        )
+                    }
                 })
             }
             ActiveView::ExternalAgentThread { .. } => {}
@@ -1522,12 +1707,10 @@ impl AgentPanel {
             self.active_view = new_view;
         }
 
-        self.acp_message_history.borrow_mut().reset_position();
-
         self.focus_handle(cx).focus(window);
     }
 
-    fn populate_recently_opened_menu_section(
+    fn populate_recently_opened_menu_section_old(
         mut menu: ContextMenu,
         panel: Entity<Self>,
         cx: &mut Context<ContextMenu>,
@@ -1562,7 +1745,7 @@ impl AgentPanel {
                                     .open_thread_by_id(&id, window, cx)
                                     .detach_and_log_err(cx),
                                 HistoryEntryId::Context(path) => this
-                                    .open_saved_prompt_editor(path.clone(), window, cx)
+                                    .open_saved_prompt_editor(path, window, cx)
                                     .detach_and_log_err(cx),
                             })
                             .ok();
@@ -1590,6 +1773,151 @@ impl AgentPanel {
 
         menu
     }
+
+    fn populate_recently_opened_menu_section_new(
+        mut menu: ContextMenu,
+        panel: Entity<Self>,
+        cx: &mut Context<ContextMenu>,
+    ) -> ContextMenu {
+        let entries = panel
+            .read(cx)
+            .acp_history_store
+            .read(cx)
+            .recently_opened_entries(cx);
+
+        if entries.is_empty() {
+            return menu;
+        }
+
+        menu = menu.header("Recently Opened");
+
+        for entry in entries {
+            let title = entry.title().clone();
+
+            menu = menu.entry_with_end_slot_on_hover(
+                title,
+                None,
+                {
+                    let panel = panel.downgrade();
+                    let entry = entry.clone();
+                    move |window, cx| {
+                        let entry = entry.clone();
+                        panel
+                            .update(cx, move |this, cx| match &entry {
+                                agent2::HistoryEntry::AcpThread(entry) => this.external_thread(
+                                    Some(ExternalAgent::NativeAgent),
+                                    Some(entry.clone()),
+                                    None,
+                                    window,
+                                    cx,
+                                ),
+                                agent2::HistoryEntry::TextThread(entry) => this
+                                    .open_saved_prompt_editor(entry.path.clone(), window, cx)
+                                    .detach_and_log_err(cx),
+                            })
+                            .ok();
+                    }
+                },
+                IconName::Close,
+                "Close Entry".into(),
+                {
+                    let panel = panel.downgrade();
+                    let id = entry.id();
+                    move |_window, cx| {
+                        panel
+                            .update(cx, |this, cx| {
+                                this.acp_history_store.update(cx, |history_store, cx| {
+                                    history_store.remove_recently_opened_entry(&id, cx);
+                                });
+                            })
+                            .ok();
+                    }
+                },
+            );
+        }
+
+        menu = menu.separator();
+
+        menu
+    }
+
+    pub fn set_selected_agent(
+        &mut self,
+        agent: AgentType,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        if self.selected_agent != agent {
+            self.selected_agent = agent.clone();
+            self.serialize(cx);
+        }
+        self.new_agent_thread(agent, window, cx);
+    }
+
+    pub fn selected_agent(&self) -> AgentType {
+        self.selected_agent.clone()
+    }
+
+    pub fn new_agent_thread(
+        &mut self,
+        agent: AgentType,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        match agent {
+            AgentType::Zed => {
+                window.dispatch_action(
+                    NewThread {
+                        from_thread_id: None,
+                    }
+                    .boxed_clone(),
+                    cx,
+                );
+            }
+            AgentType::TextThread => {
+                window.dispatch_action(NewTextThread.boxed_clone(), cx);
+            }
+            AgentType::NativeAgent => self.external_thread(
+                Some(crate::ExternalAgent::NativeAgent),
+                None,
+                None,
+                window,
+                cx,
+            ),
+            AgentType::Gemini => {
+                self.external_thread(Some(crate::ExternalAgent::Gemini), None, None, window, cx)
+            }
+            AgentType::ClaudeCode => self.external_thread(
+                Some(crate::ExternalAgent::ClaudeCode),
+                None,
+                None,
+                window,
+                cx,
+            ),
+            AgentType::Custom { name, settings } => self.external_thread(
+                Some(crate::ExternalAgent::Custom { name, settings }),
+                None,
+                None,
+                window,
+                cx,
+            ),
+        }
+    }
+
+    pub fn load_agent_thread(
+        &mut self,
+        thread: DbThreadMetadata,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        self.external_thread(
+            Some(ExternalAgent::NativeAgent),
+            Some(thread),
+            None,
+            window,
+            cx,
+        );
+    }
 }
 
 impl Focusable for AgentPanel {
@@ -1597,7 +1925,13 @@ impl Focusable for AgentPanel {
         match &self.active_view {
             ActiveView::Thread { message_editor, .. } => message_editor.focus_handle(cx),
             ActiveView::ExternalAgentThread { thread_view, .. } => thread_view.focus_handle(cx),
-            ActiveView::History => self.history.focus_handle(cx),
+            ActiveView::History => {
+                if cx.has_flag::<feature_flags::GeminiAndNativeFeatureFlag>() {
+                    self.acp_history.focus_handle(cx)
+                } else {
+                    self.history.focus_handle(cx)
+                }
+            }
             ActiveView::TextThread { context_editor, .. } => context_editor.focus_handle(cx),
             ActiveView::Configuration => {
                 if let Some(configuration) = self.configuration.as_ref() {
@@ -1719,11 +2053,13 @@ impl AgentPanel {
                 };
 
                 match state {
-                    ThreadSummary::Pending => Label::new(ThreadSummary::DEFAULT.clone())
+                    ThreadSummary::Pending => Label::new(ThreadSummary::DEFAULT)
                         .truncate()
+                        .color(Color::Muted)
                         .into_any_element(),
                     ThreadSummary::Generating => Label::new(LOADING_SUMMARY_PLACEHOLDER)
                         .truncate()
+                        .color(Color::Muted)
                         .into_any_element(),
                     ThreadSummary::Ready(_) => div()
                         .w_full()
@@ -1733,7 +2069,8 @@ impl AgentPanel {
                         .w_full()
                         .child(change_title_editor.clone())
                         .child(
-                            ui::IconButton::new("retry-summary-generation", IconName::RotateCcw)
+                            IconButton::new("retry-summary-generation", IconName::RotateCcw)
+                                .icon_size(IconSize::Small)
                                 .on_click({
                                     let active_thread = active_thread.clone();
                                     move |_, _window, cx| {
@@ -1754,9 +2091,33 @@ impl AgentPanel {
                 }
             }
             ActiveView::ExternalAgentThread { thread_view } => {
-                Label::new(thread_view.read(cx).title(cx))
-                    .truncate()
-                    .into_any_element()
+                if let Some(title_editor) = thread_view.read(cx).title_editor() {
+                    div()
+                        .w_full()
+                        .on_action({
+                            let thread_view = thread_view.downgrade();
+                            move |_: &menu::Confirm, window, cx| {
+                                if let Some(thread_view) = thread_view.upgrade() {
+                                    thread_view.focus_handle(cx).focus(window);
+                                }
+                            }
+                        })
+                        .on_action({
+                            let thread_view = thread_view.downgrade();
+                            move |_: &editor::actions::Cancel, window, cx| {
+                                if let Some(thread_view) = thread_view.upgrade() {
+                                    thread_view.focus_handle(cx).focus(window);
+                                }
+                            }
+                        })
+                        .child(title_editor)
+                        .into_any_element()
+                } else {
+                    Label::new(thread_view.read(cx).title())
+                        .color(Color::Muted)
+                        .truncate()
+                        .into_any_element()
+                }
             }
             ActiveView::TextThread {
                 title_editor,
@@ -1767,6 +2128,7 @@ impl AgentPanel {
 
                 match summary {
                     ContextSummary::Pending => Label::new(ContextSummary::DEFAULT)
+                        .color(Color::Muted)
                         .truncate()
                         .into_any_element(),
                     ContextSummary::Content(summary) => {
@@ -1778,6 +2140,7 @@ impl AgentPanel {
                         } else {
                             Label::new(LOADING_SUMMARY_PLACEHOLDER)
                                 .truncate()
+                                .color(Color::Muted)
                                 .into_any_element()
                         }
                     }
@@ -1785,7 +2148,8 @@ impl AgentPanel {
                         .w_full()
                         .child(title_editor.clone())
                         .child(
-                            ui::IconButton::new("retry-summary-generation", IconName::RotateCcw)
+                            IconButton::new("retry-summary-generation", IconName::RotateCcw)
+                                .icon_size(IconSize::Small)
                                 .on_click({
                                     let context_editor = context_editor.clone();
                                     move |_, _window, cx| {
@@ -1820,198 +2184,26 @@ impl AgentPanel {
             .into_any()
     }
 
-    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+    fn render_panel_options_menu(
+        &self,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> impl IntoElement {
         let user_store = self.user_store.read(cx);
         let usage = user_store.model_request_usage();
-
         let account_url = zed_urls::account_url(cx);
 
         let focus_handle = self.focus_handle(cx);
 
-        let go_back_button = div().child(
-            IconButton::new("go-back", IconName::ArrowLeft)
-                .icon_size(IconSize::Small)
-                .on_click(cx.listener(|this, _, window, cx| {
-                    this.go_back(&workspace::GoBack, window, cx);
-                }))
-                .tooltip({
-                    let focus_handle = focus_handle.clone();
-                    move |window, cx| {
-                        Tooltip::for_action_in(
-                            "Go Back",
-                            &workspace::GoBack,
-                            &focus_handle,
-                            window,
-                            cx,
-                        )
-                    }
-                }),
-        );
-
-        let recent_entries_menu = div().child(
-            PopoverMenu::new("agent-nav-menu")
-                .trigger_with_tooltip(
-                    IconButton::new("agent-nav-menu", IconName::MenuAlt)
-                        .icon_size(IconSize::Small)
-                        .style(ui::ButtonStyle::Subtle),
-                    {
-                        let focus_handle = focus_handle.clone();
-                        move |window, cx| {
-                            Tooltip::for_action_in(
-                                "Toggle Panel Menu",
-                                &ToggleNavigationMenu,
-                                &focus_handle,
-                                window,
-                                cx,
-                            )
-                        }
-                    },
-                )
-                .anchor(Corner::TopLeft)
-                .with_handle(self.assistant_navigation_menu_handle.clone())
-                .menu({
-                    let menu = self.assistant_navigation_menu.clone();
-                    move |window, cx| {
-                        if let Some(menu) = menu.as_ref() {
-                            menu.update(cx, |_, cx| {
-                                cx.defer_in(window, |menu, window, cx| {
-                                    menu.rebuild(window, cx);
-                                });
-                            })
-                        }
-                        menu.clone()
-                    }
-                }),
-        );
-
-        let zoom_in_label = if self.is_zoomed(window, cx) {
-            "Zoom Out"
+        let full_screen_label = if self.is_zoomed(window, cx) {
+            "Disable Full Screen"
         } else {
-            "Zoom In"
+            "Enable Full Screen"
         };
 
-        let active_thread = match &self.active_view {
-            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
-            ActiveView::ExternalAgentThread { .. }
-            | ActiveView::TextThread { .. }
-            | ActiveView::History
-            | ActiveView::Configuration => None,
-        };
+        let selected_agent = self.selected_agent.clone();
 
-        let new_thread_menu = PopoverMenu::new("new_thread_menu")
-            .trigger_with_tooltip(
-                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
-                Tooltip::text("New Thread…"),
-            )
-            .anchor(Corner::TopRight)
-            .with_handle(self.new_thread_menu_handle.clone())
-            .menu({
-                let focus_handle = focus_handle.clone();
-                move |window, cx| {
-                    let active_thread = active_thread.clone();
-                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
-                        menu = menu
-                            .context(focus_handle.clone())
-                            .when(cx.has_flag::<feature_flags::AcpFeatureFlag>(), |this| {
-                                this.header("Zed Agent")
-                            })
-                            .item(
-                                ContextMenuEntry::new("New Thread")
-                                    .icon(IconName::NewThread)
-                                    .icon_color(Color::Muted)
-                                    .action(NewThread::default().boxed_clone())
-                                    .handler(move |window, cx| {
-                                        window.dispatch_action(
-                                            NewThread::default().boxed_clone(),
-                                            cx,
-                                        );
-                                    }),
-                            )
-                            .item(
-                                ContextMenuEntry::new("New Text Thread")
-                                    .icon(IconName::NewTextThread)
-                                    .icon_color(Color::Muted)
-                                    .action(NewTextThread.boxed_clone())
-                                    .handler(move |window, cx| {
-                                        window.dispatch_action(NewTextThread.boxed_clone(), cx);
-                                    }),
-                            )
-                            .when_some(active_thread, |this, active_thread| {
-                                let thread = active_thread.read(cx);
-
-                                if !thread.is_empty() {
-                                    let thread_id = thread.id().clone();
-                                    this.item(
-                                        ContextMenuEntry::new("New From Summary")
-                                            .icon(IconName::NewFromSummary)
-                                            .icon_color(Color::Muted)
-                                            .handler(move |window, cx| {
-                                                window.dispatch_action(
-                                                    Box::new(NewThread {
-                                                        from_thread_id: Some(thread_id.clone()),
-                                                    }),
-                                                    cx,
-                                                );
-                                            }),
-                                    )
-                                } else {
-                                    this
-                                }
-                            })
-                            .when(cx.has_flag::<feature_flags::AcpFeatureFlag>(), |this| {
-                                this.separator()
-                                    .header("External Agents")
-                                    .item(
-                                        ContextMenuEntry::new("New Gemini Thread")
-                                            .icon(IconName::AiGemini)
-                                            .icon_color(Color::Muted)
-                                            .handler(move |window, cx| {
-                                                window.dispatch_action(
-                                                    NewExternalAgentThread {
-                                                        agent: Some(crate::ExternalAgent::Gemini),
-                                                    }
-                                                    .boxed_clone(),
-                                                    cx,
-                                                );
-                                            }),
-                                    )
-                                    .item(
-                                        ContextMenuEntry::new("New Claude Code Thread")
-                                            .icon(IconName::AiClaude)
-                                            .icon_color(Color::Muted)
-                                            .handler(move |window, cx| {
-                                                window.dispatch_action(
-                                                    NewExternalAgentThread {
-                                                        agent: Some(
-                                                            crate::ExternalAgent::ClaudeCode,
-                                                        ),
-                                                    }
-                                                    .boxed_clone(),
-                                                    cx,
-                                                );
-                                            }),
-                                    )
-                                    .item(
-                                        ContextMenuEntry::new("New Codex Thread")
-                                            .icon(IconName::AiOpenAi)
-                                            .icon_color(Color::Muted)
-                                            .handler(move |window, cx| {
-                                                window.dispatch_action(
-                                                    NewExternalAgentThread {
-                                                        agent: Some(crate::ExternalAgent::Codex),
-                                                    }
-                                                    .boxed_clone(),
-                                                    cx,
-                                                );
-                                            }),
-                                    )
-                            });
-                        menu
-                    }))
-                }
-            });
-
-        let agent_panel_menu = PopoverMenu::new("agent-options-menu")
+        PopoverMenu::new("agent-options-menu")
             .trigger_with_tooltip(
                 IconButton::new("agent-options-menu", IconName::Ellipsis)
                     .icon_size(IconSize::Small),
@@ -2031,7 +2223,6 @@ impl AgentPanel {
             .anchor(Corner::TopRight)
             .with_handle(self.agent_panel_menu_handle.clone())
             .menu({
-                let focus_handle = focus_handle.clone();
                 move |window, cx| {
                     Some(ContextMenu::build(window, cx, |mut menu, _window, _| {
                         menu = menu.context(focus_handle.clone());
@@ -2089,7 +2280,143 @@ impl AgentPanel {
                         menu = menu
                             .action("Rules…", Box::new(OpenRulesLibrary::default()))
                             .action("Settings", Box::new(OpenSettings))
-                            .action(zoom_in_label, Box::new(ToggleZoom));
+                            .separator()
+                            .action(full_screen_label, Box::new(ToggleZoom));
+
+                        if selected_agent == AgentType::Gemini {
+                            menu = menu.action("Reauthenticate", Box::new(ReauthenticateAgent))
+                        }
+
+                        menu
+                    }))
+                }
+            })
+    }
+
+    fn render_recent_entries_menu(
+        &self,
+        icon: IconName,
+        corner: Corner,
+        cx: &mut Context<Self>,
+    ) -> impl IntoElement {
+        let focus_handle = self.focus_handle(cx);
+
+        PopoverMenu::new("agent-nav-menu")
+            .trigger_with_tooltip(
+                IconButton::new("agent-nav-menu", icon).icon_size(IconSize::Small),
+                {
+                    move |window, cx| {
+                        Tooltip::for_action_in(
+                            "Toggle Recent Threads",
+                            &ToggleNavigationMenu,
+                            &focus_handle,
+                            window,
+                            cx,
+                        )
+                    }
+                },
+            )
+            .anchor(corner)
+            .with_handle(self.assistant_navigation_menu_handle.clone())
+            .menu({
+                let menu = self.assistant_navigation_menu.clone();
+                move |window, cx| {
+                    telemetry::event!("View Thread History Clicked");
+
+                    if let Some(menu) = menu.as_ref() {
+                        menu.update(cx, |_, cx| {
+                            cx.defer_in(window, |menu, window, cx| {
+                                menu.rebuild(window, cx);
+                            });
+                        })
+                    }
+                    menu.clone()
+                }
+            })
+    }
+
+    fn render_toolbar_back_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
+        let focus_handle = self.focus_handle(cx);
+
+        IconButton::new("go-back", IconName::ArrowLeft)
+            .icon_size(IconSize::Small)
+            .on_click(cx.listener(|this, _, window, cx| {
+                this.go_back(&workspace::GoBack, window, cx);
+            }))
+            .tooltip({
+                move |window, cx| {
+                    Tooltip::for_action_in("Go Back", &workspace::GoBack, &focus_handle, window, cx)
+                }
+            })
+    }
+
+    fn render_toolbar_old(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let focus_handle = self.focus_handle(cx);
+
+        let active_thread = match &self.active_view {
+            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
+            ActiveView::ExternalAgentThread { .. }
+            | ActiveView::TextThread { .. }
+            | ActiveView::History
+            | ActiveView::Configuration => None,
+        };
+
+        let new_thread_menu = PopoverMenu::new("new_thread_menu")
+            .trigger_with_tooltip(
+                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
+                Tooltip::text("New Thread…"),
+            )
+            .anchor(Corner::TopRight)
+            .with_handle(self.new_thread_menu_handle.clone())
+            .menu({
+                move |window, cx| {
+                    let active_thread = active_thread.clone();
+                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
+                        menu = menu
+                            .context(focus_handle.clone())
+                            .when_some(active_thread, |this, active_thread| {
+                                let thread = active_thread.read(cx);
+
+                                if !thread.is_empty() {
+                                    let thread_id = thread.id().clone();
+                                    this.item(
+                                        ContextMenuEntry::new("New From Summary")
+                                            .icon(IconName::ThreadFromSummary)
+                                            .icon_color(Color::Muted)
+                                            .handler(move |window, cx| {
+                                                window.dispatch_action(
+                                                    Box::new(NewThread {
+                                                        from_thread_id: Some(thread_id.clone()),
+                                                    }),
+                                                    cx,
+                                                );
+                                            }),
+                                    )
+                                } else {
+                                    this
+                                }
+                            })
+                            .item(
+                                ContextMenuEntry::new("New Thread")
+                                    .icon(IconName::Thread)
+                                    .icon_color(Color::Muted)
+                                    .action(NewThread::default().boxed_clone())
+                                    .handler(move |window, cx| {
+                                        window.dispatch_action(
+                                            NewThread::default().boxed_clone(),
+                                            cx,
+                                        );
+                                    }),
+                            )
+                            .item(
+                                ContextMenuEntry::new("New Text Thread")
+                                    .icon(IconName::TextThread)
+                                    .icon_color(Color::Muted)
+                                    .action(NewTextThread.boxed_clone())
+                                    .handler(move |window, cx| {
+                                        window.dispatch_action(NewTextThread.boxed_clone(), cx);
+                                    }),
+                            );
                         menu
                     }))
                 }
@@ -2111,8 +2438,13 @@ impl AgentPanel {
                     .pl_1()
                     .gap_1()
                     .child(match &self.active_view {
-                        ActiveView::History | ActiveView::Configuration => go_back_button,
-                        _ => recent_entries_menu,
+                        ActiveView::History | ActiveView::Configuration => div()
+                            .pl(DynamicSpacing::Base04.rems(cx))
+                            .child(self.render_toolbar_back_button(cx))
+                            .into_any_element(),
+                        _ => self
+                            .render_recent_entries_menu(IconName::MenuAlt, Corner::TopLeft, cx)
+                            .into_any_element(),
                     })
                     .child(self.render_title_view(window, cx)),
             )
@@ -2129,11 +2461,306 @@ impl AgentPanel {
                             .border_l_1()
                             .border_color(cx.theme().colors().border)
                             .child(new_thread_menu)
-                            .child(agent_panel_menu),
+                            .child(self.render_panel_options_menu(window, cx)),
                     ),
             )
     }
 
+    fn render_toolbar_new(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let focus_handle = self.focus_handle(cx);
+
+        let active_thread = match &self.active_view {
+            ActiveView::ExternalAgentThread { thread_view } => {
+                thread_view.read(cx).as_native_thread(cx)
+            }
+            ActiveView::Thread { .. }
+            | ActiveView::TextThread { .. }
+            | ActiveView::History
+            | ActiveView::Configuration => None,
+        };
+
+        let new_thread_menu = PopoverMenu::new("new_thread_menu")
+            .trigger_with_tooltip(
+                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
+                {
+                    let focus_handle = focus_handle.clone();
+                    move |window, cx| {
+                        Tooltip::for_action_in(
+                            "New…",
+                            &ToggleNewThreadMenu,
+                            &focus_handle,
+                            window,
+                            cx,
+                        )
+                    }
+                },
+            )
+            .anchor(Corner::TopLeft)
+            .with_handle(self.new_thread_menu_handle.clone())
+            .menu({
+                let workspace = self.workspace.clone();
+
+                move |window, cx| {
+                    telemetry::event!("New Thread Clicked");
+
+                    let active_thread = active_thread.clone();
+                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
+                        menu = menu
+                            .context(focus_handle.clone())
+                            .header("Zed Agent")
+                            .when_some(active_thread, |this, active_thread| {
+                                let thread = active_thread.read(cx);
+
+                                if !thread.is_empty() {
+                                    let session_id = thread.id().clone();
+                                    this.item(
+                                        ContextMenuEntry::new("New From Summary")
+                                            .icon(IconName::ThreadFromSummary)
+                                            .icon_color(Color::Muted)
+                                            .handler(move |window, cx| {
+                                                window.dispatch_action(
+                                                    Box::new(NewNativeAgentThreadFromSummary {
+                                                        from_session_id: session_id.clone(),
+                                                    }),
+                                                    cx,
+                                                );
+                                            }),
+                                    )
+                                } else {
+                                    this
+                                }
+                            })
+                            .item(
+                                ContextMenuEntry::new("New Thread")
+                                    .action(NewThread::default().boxed_clone())
+                                    .icon(IconName::Thread)
+                                    .icon_color(Color::Muted)
+                                    .handler({
+                                        let workspace = workspace.clone();
+                                        move |window, cx| {
+                                            if let Some(workspace) = workspace.upgrade() {
+                                                workspace.update(cx, |workspace, cx| {
+                                                    if let Some(panel) =
+                                                        workspace.panel::<AgentPanel>(cx)
+                                                    {
+                                                        panel.update(cx, |panel, cx| {
+                                                            panel.set_selected_agent(
+                                                                AgentType::NativeAgent,
+                                                                window,
+                                                                cx,
+                                                            );
+                                                        });
+                                                    }
+                                                });
+                                            }
+                                        }
+                                    }),
+                            )
+                            .item(
+                                ContextMenuEntry::new("New Text Thread")
+                                    .icon(IconName::TextThread)
+                                    .icon_color(Color::Muted)
+                                    .action(NewTextThread.boxed_clone())
+                                    .handler({
+                                        let workspace = workspace.clone();
+                                        move |window, cx| {
+                                            if let Some(workspace) = workspace.upgrade() {
+                                                workspace.update(cx, |workspace, cx| {
+                                                    if let Some(panel) =
+                                                        workspace.panel::<AgentPanel>(cx)
+                                                    {
+                                                        panel.update(cx, |panel, cx| {
+                                                            panel.set_selected_agent(
+                                                                AgentType::TextThread,
+                                                                window,
+                                                                cx,
+                                                            );
+                                                        });
+                                                    }
+                                                });
+                                            }
+                                        }
+                                    }),
+                            )
+                            .separator()
+                            .header("External Agents")
+                            .when(cx.has_flag::<GeminiAndNativeFeatureFlag>(), |menu| {
+                                menu.item(
+                                    ContextMenuEntry::new("New Gemini CLI Thread")
+                                        .icon(IconName::AiGemini)
+                                        .icon_color(Color::Muted)
+                                        .handler({
+                                            let workspace = workspace.clone();
+                                            move |window, cx| {
+                                                if let Some(workspace) = workspace.upgrade() {
+                                                    workspace.update(cx, |workspace, cx| {
+                                                        if let Some(panel) =
+                                                            workspace.panel::<AgentPanel>(cx)
+                                                        {
+                                                            panel.update(cx, |panel, cx| {
+                                                                panel.set_selected_agent(
+                                                                    AgentType::Gemini,
+                                                                    window,
+                                                                    cx,
+                                                                );
+                                                            });
+                                                        }
+                                                    });
+                                                }
+                                            }
+                                        }),
+                                )
+                            })
+                            .when(cx.has_flag::<ClaudeCodeFeatureFlag>(), |menu| {
+                                menu.item(
+                                    ContextMenuEntry::new("New Claude Code Thread")
+                                        .icon(IconName::AiClaude)
+                                        .icon_color(Color::Muted)
+                                        .handler({
+                                            let workspace = workspace.clone();
+                                            move |window, cx| {
+                                                if let Some(workspace) = workspace.upgrade() {
+                                                    workspace.update(cx, |workspace, cx| {
+                                                        if let Some(panel) =
+                                                            workspace.panel::<AgentPanel>(cx)
+                                                        {
+                                                            panel.update(cx, |panel, cx| {
+                                                                panel.set_selected_agent(
+                                                                    AgentType::ClaudeCode,
+                                                                    window,
+                                                                    cx,
+                                                                );
+                                                            });
+                                                        }
+                                                    });
+                                                }
+                                            }
+                                        }),
+                                )
+                            })
+                            .when(cx.has_flag::<GeminiAndNativeFeatureFlag>(), |mut menu| {
+                                // Add custom agents from settings
+                                let settings =
+                                    agent_servers::AllAgentServersSettings::get_global(cx);
+                                for (agent_name, agent_settings) in &settings.custom {
+                                    menu = menu.item(
+                                        ContextMenuEntry::new(format!("New {} Thread", agent_name))
+                                            .icon(IconName::Terminal)
+                                            .icon_color(Color::Muted)
+                                            .handler({
+                                                let workspace = workspace.clone();
+                                                let agent_name = agent_name.clone();
+                                                let agent_settings = agent_settings.clone();
+                                                move |window, cx| {
+                                                    if let Some(workspace) = workspace.upgrade() {
+                                                        workspace.update(cx, |workspace, cx| {
+                                                            if let Some(panel) =
+                                                                workspace.panel::<AgentPanel>(cx)
+                                                            {
+                                                                panel.update(cx, |panel, cx| {
+                                                                    panel.set_selected_agent(
+                                                                        AgentType::Custom {
+                                                                            name: agent_name
+                                                                                .clone(),
+                                                                            settings:
+                                                                                agent_settings
+                                                                                    .clone(),
+                                                                        },
+                                                                        window,
+                                                                        cx,
+                                                                    );
+                                                                });
+                                                            }
+                                                        });
+                                                    }
+                                                }
+                                            }),
+                                    );
+                                }
+
+                                menu
+                            })
+                            .when(cx.has_flag::<GeminiAndNativeFeatureFlag>(), |menu| {
+                                menu.separator().link(
+                                    "Add Your Own Agent",
+                                    OpenBrowser {
+                                        url: "https://agentclientprotocol.com/".into(),
+                                    }
+                                    .boxed_clone(),
+                                )
+                            });
+                        menu
+                    }))
+                }
+            });
+
+        let selected_agent_label = self.selected_agent.label();
+        let selected_agent = div()
+            .id("selected_agent_icon")
+            .when_some(self.selected_agent.icon(), |this, icon| {
+                this.px(DynamicSpacing::Base02.rems(cx))
+                    .child(Icon::new(icon).color(Color::Muted))
+                    .tooltip(move |window, cx| {
+                        Tooltip::with_meta(
+                            selected_agent_label.clone(),
+                            None,
+                            "Selected Agent",
+                            window,
+                            cx,
+                        )
+                    })
+            })
+            .into_any_element();
+
+        h_flex()
+            .id("agent-panel-toolbar")
+            .h(Tab::container_height(cx))
+            .max_w_full()
+            .flex_none()
+            .justify_between()
+            .gap_2()
+            .bg(cx.theme().colors().tab_bar_background)
+            .border_b_1()
+            .border_color(cx.theme().colors().border)
+            .child(
+                h_flex()
+                    .size_full()
+                    .gap(DynamicSpacing::Base04.rems(cx))
+                    .pl(DynamicSpacing::Base04.rems(cx))
+                    .child(match &self.active_view {
+                        ActiveView::History | ActiveView::Configuration => {
+                            self.render_toolbar_back_button(cx).into_any_element()
+                        }
+                        _ => selected_agent.into_any_element(),
+                    })
+                    .child(self.render_title_view(window, cx)),
+            )
+            .child(
+                h_flex()
+                    .flex_none()
+                    .gap(DynamicSpacing::Base02.rems(cx))
+                    .pl(DynamicSpacing::Base04.rems(cx))
+                    .pr(DynamicSpacing::Base06.rems(cx))
+                    .child(new_thread_menu)
+                    .child(self.render_recent_entries_menu(
+                        IconName::MenuAltTemp,
+                        Corner::TopRight,
+                        cx,
+                    ))
+                    .child(self.render_panel_options_menu(window, cx)),
+            )
+    }
+
+    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        if cx.has_flag::<feature_flags::GeminiAndNativeFeatureFlag>()
+            || cx.has_flag::<feature_flags::ClaudeCodeFeatureFlag>()
+        {
+            self.render_toolbar_new(window, cx).into_any_element()
+        } else {
+            self.render_toolbar_old(window, cx).into_any_element()
+        }
+    }
+
     fn render_token_count(&self, cx: &App) -> Option<AnyElement> {
         match &self.active_view {
             ActiveView::Thread {
@@ -2252,9 +2879,7 @@ impl AgentPanel {
             }
             ActiveView::ExternalAgentThread { .. }
             | ActiveView::History
-            | ActiveView::Configuration => {
-                return None;
-            }
+            | ActiveView::Configuration => None,
         }
     }
 
@@ -2270,7 +2895,7 @@ impl AgentPanel {
                     .thread()
                     .read(cx)
                     .configured_model()
-                    .map_or(false, |model| {
+                    .is_some_and(|model| {
                         model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
                     })
                 {
@@ -2281,7 +2906,7 @@ impl AgentPanel {
                 if LanguageModelRegistry::global(cx)
                     .read(cx)
                     .default_model()
-                    .map_or(false, |model| {
+                    .is_some_and(|model| {
                         model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
                     })
                 {
@@ -2293,10 +2918,10 @@ impl AgentPanel {
             | ActiveView::Configuration => return false,
         }
 
-        let plan = self.user_store.read(cx).current_plan();
+        let plan = self.user_store.read(cx).plan();
         let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
 
-        matches!(plan, Some(Plan::Free)) && has_previous_trial
+        matches!(plan, Some(Plan::ZedFree)) && has_previous_trial
     }
 
     fn should_render_onboarding(&self, cx: &mut Context<Self>) -> bool {
@@ -2305,10 +2930,19 @@ impl AgentPanel {
         }
 
         match &self.active_view {
-            ActiveView::Thread { .. } | ActiveView::TextThread { .. } => {
-                let history_is_empty = self
-                    .history_store
-                    .update(cx, |store, cx| store.recent_entries(1, cx).is_empty());
+            ActiveView::History | ActiveView::Configuration => false,
+            ActiveView::ExternalAgentThread { thread_view, .. }
+                if thread_view.read(cx).as_native_thread(cx).is_none() =>
+            {
+                false
+            }
+            _ => {
+                let history_is_empty = if cx.has_flag::<GeminiAndNativeFeatureFlag>() {
+                    self.acp_history_store.read(cx).is_empty(cx)
+                } else {
+                    self.history_store
+                        .update(cx, |store, cx| store.recent_entries(1, cx).is_empty())
+                };
 
                 let has_configured_non_zed_providers = LanguageModelRegistry::read_global(cx)
                     .providers()
@@ -2320,9 +2954,6 @@ impl AgentPanel {
 
                 history_is_empty || !has_configured_non_zed_providers
             }
-            ActiveView::ExternalAgentThread { .. }
-            | ActiveView::History
-            | ActiveView::Configuration => false,
         }
     }
 
@@ -2350,6 +2981,16 @@ impl AgentPanel {
         )
     }
 
+    fn render_backdrop(&self, cx: &mut Context<Self>) -> impl IntoElement {
+        div()
+            .size_full()
+            .absolute()
+            .inset_0()
+            .bg(cx.theme().colors().panel_background)
+            .opacity(0.8)
+            .block_mouse_except_scroll()
+    }
+
     fn render_trial_end_upsell(
         &self,
         _window: &mut Window,
@@ -2359,15 +3000,24 @@ impl AgentPanel {
             return None;
         }
 
-        Some(EndTrialUpsell::new(Arc::new({
-            let this = cx.entity();
-            move |_, cx| {
-                this.update(cx, |_this, cx| {
-                    TrialEndUpsell::set_dismissed(true, cx);
-                    cx.notify();
-                });
-            }
-        })))
+        Some(
+            v_flex()
+                .absolute()
+                .inset_0()
+                .size_full()
+                .bg(cx.theme().colors().panel_background)
+                .opacity(0.85)
+                .block_mouse_except_scroll()
+                .child(EndTrialUpsell::new(Arc::new({
+                    let this = cx.entity();
+                    move |_, cx| {
+                        this.update(cx, |_this, cx| {
+                            TrialEndUpsell::set_dismissed(true, cx);
+                            cx.notify();
+                        });
+                    }
+                }))),
+        )
     }
 
     fn render_empty_state_section_header(
@@ -2376,20 +3026,22 @@ impl AgentPanel {
         action_slot: Option<AnyElement>,
         cx: &mut Context<Self>,
     ) -> impl IntoElement {
-        h_flex()
-            .mt_2()
-            .pl_1p5()
-            .pb_1()
-            .w_full()
-            .justify_between()
-            .border_b_1()
-            .border_color(cx.theme().colors().border_variant)
-            .child(
-                Label::new(label.into())
-                    .size(LabelSize::Small)
-                    .color(Color::Muted),
-            )
-            .children(action_slot)
+        div().pl_1().pr_1p5().child(
+            h_flex()
+                .mt_2()
+                .pl_1p5()
+                .pb_1()
+                .w_full()
+                .justify_between()
+                .border_b_1()
+                .border_color(cx.theme().colors().border_variant)
+                .child(
+                    Label::new(label.into())
+                        .size(LabelSize::Small)
+                        .color(Color::Muted),
+                )
+                .children(action_slot),
+        )
     }
 
     fn render_thread_empty_state(
@@ -2495,22 +3147,12 @@ impl AgentPanel {
                                                 }),
                                         ),
                                 )
-                        })
-                        .when_some(configuration_error.as_ref(), |this, err| {
-                            this.child(self.render_configuration_error(
-                                err,
-                                &focus_handle,
-                                window,
-                                cx,
-                            ))
                         }),
                 )
             })
             .when(!recent_history.is_empty(), |parent| {
-                let focus_handle = focus_handle.clone();
                 parent
                     .overflow_hidden()
-                    .p_1p5()
                     .justify_end()
                     .gap_1()
                     .child(
@@ -2538,14 +3180,15 @@ impl AgentPanel {
                         ),
                     )
                     .child(
-                        v_flex()
-                            .gap_1()
-                            .children(recent_history.into_iter().enumerate().map(
-                                |(index, entry)| {
+                        v_flex().p_1().pr_1p5().gap_1().children(
+                            recent_history
+                                .into_iter()
+                                .enumerate()
+                                .map(|(index, entry)| {
                                     // TODO: Add keyboard navigation.
                                     let is_hovered =
                                         self.hovered_recent_history_item == Some(index);
-                                    HistoryEntryElement::new(entry.clone(), cx.entity().downgrade())
+                                    HistoryEntryElement::new(entry, cx.entity().downgrade())
                                         .hovered(is_hovered)
                                         .on_hover(cx.listener(
                                             move |this, is_hovered, _window, cx| {
@@ -2560,176 +3203,82 @@ impl AgentPanel {
                                             },
                                         ))
                                         .into_any_element()
-                                },
-                            )),
+                                }),
+                        ),
                     )
-                    .child(self.render_empty_state_section_header("Start", None, cx))
-                    .child(
-                        v_flex()
-                            .p_1()
-                            .gap_2()
-                            .child(
-                                h_flex()
-                                    .w_full()
-                                    .gap_2()
-                                    .child(
-                                        NewThreadButton::new(
-                                            "new-thread-btn",
-                                            "New Thread",
-                                            IconName::NewThread,
-                                        )
-                                        .keybinding(KeyBinding::for_action_in(
-                                            &NewThread::default(),
-                                            &self.focus_handle(cx),
-                                            window,
-                                            cx,
-                                        ))
-                                        .on_click(
-                                            |window, cx| {
-                                                window.dispatch_action(
-                                                    NewThread::default().boxed_clone(),
-                                                    cx,
-                                                )
-                                            },
-                                        ),
-                                    )
-                                    .child(
-                                        NewThreadButton::new(
-                                            "new-text-thread-btn",
-                                            "New Text Thread",
-                                            IconName::NewTextThread,
-                                        )
-                                        .keybinding(KeyBinding::for_action_in(
-                                            &NewTextThread,
-                                            &self.focus_handle(cx),
-                                            window,
-                                            cx,
-                                        ))
-                                        .on_click(
-                                            |window, cx| {
-                                                window.dispatch_action(Box::new(NewTextThread), cx)
-                                            },
-                                        ),
-                                    ),
-                            )
-                            .when(cx.has_flag::<feature_flags::AcpFeatureFlag>(), |this| {
-                                this.child(
-                                    h_flex()
-                                        .w_full()
-                                        .gap_2()
-                                        .child(
-                                            NewThreadButton::new(
-                                                "new-gemini-thread-btn",
-                                                "New Gemini Thread",
-                                                IconName::AiGemini,
-                                            )
-                                            // .keybinding(KeyBinding::for_action_in(
-                                            //     &OpenHistory,
-                                            //     &self.focus_handle(cx),
-                                            //     window,
-                                            //     cx,
-                                            // ))
-                                            .on_click(
-                                                |window, cx| {
-                                                    window.dispatch_action(
-                                                        Box::new(NewExternalAgentThread {
-                                                            agent: Some(
-                                                                crate::ExternalAgent::Gemini,
-                                                            ),
-                                                        }),
-                                                        cx,
-                                                    )
-                                                },
-                                            ),
-                                        )
-                                        .child(
-                                            NewThreadButton::new(
-                                                "new-claude-thread-btn",
-                                                "New Claude Code Thread",
-                                                IconName::AiClaude,
-                                            )
-                                            // .keybinding(KeyBinding::for_action_in(
-                                            //     &OpenHistory,
-                                            //     &self.focus_handle(cx),
-                                            //     window,
-                                            //     cx,
-                                            // ))
-                                            .on_click(
-                                                |window, cx| {
-                                                    window.dispatch_action(
-                                                        Box::new(NewExternalAgentThread {
-                                                            agent: Some(
-                                                                crate::ExternalAgent::ClaudeCode,
-                                                            ),
-                                                        }),
-                                                        cx,
-                                                    )
-                                                },
-                                            ),
-                                        )
-                                        .child(
-                                            NewThreadButton::new(
-                                                "new-codex-thread-btn",
-                                                "New Codex Thread",
-                                                IconName::AiOpenAi,
-                                            )
-                                            .on_click(
-                                                |window, cx| {
-                                                    window.dispatch_action(
-                                                        Box::new(NewExternalAgentThread {
-                                                            agent: Some(
-                                                                crate::ExternalAgent::Codex,
-                                                            ),
-                                                        }),
-                                                        cx,
-                                                    )
-                                                },
-                                            ),
-                                        ),
-                                )
-                            }),
-                    )
-                    .when_some(configuration_error.as_ref(), |this, err| {
-                        this.child(self.render_configuration_error(err, &focus_handle, window, cx))
-                    })
+            })
+            .when_some(configuration_error.as_ref(), |this, err| {
+                this.child(self.render_configuration_error(false, err, &focus_handle, window, cx))
             })
     }
 
     fn render_configuration_error(
         &self,
+        border_bottom: bool,
         configuration_error: &ConfigurationError,
         focus_handle: &FocusHandle,
         window: &mut Window,
         cx: &mut App,
     ) -> impl IntoElement {
-        match configuration_error {
-            ConfigurationError::ModelNotFound
-            | ConfigurationError::ProviderNotAuthenticated(_)
-            | ConfigurationError::NoProvider => Banner::new()
-                .severity(ui::Severity::Warning)
-                .child(Label::new(configuration_error.to_string()))
-                .action_slot(
-                    Button::new("settings", "Configure Provider")
+        let zed_provider_configured = AgentSettings::get_global(cx)
+            .default_model
+            .as_ref()
+            .is_some_and(|selection| selection.provider.0.as_str() == "zed.dev");
+
+        let callout = if zed_provider_configured {
+            Callout::new()
+                .icon(IconName::Warning)
+                .severity(Severity::Warning)
+                .when(border_bottom, |this| {
+                    this.border_position(ui::BorderPosition::Bottom)
+                })
+                .title("Sign in to continue using Zed as your LLM provider.")
+                .actions_slot(
+                    Button::new("sign_in", "Sign In")
+                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
+                        .label_size(LabelSize::Small)
+                        .on_click({
+                            let workspace = self.workspace.clone();
+                            move |_, _, cx| {
+                                let Ok(client) =
+                                    workspace.update(cx, |workspace, _| workspace.client().clone())
+                                else {
+                                    return;
+                                };
+
+                                cx.spawn(async move |cx| {
+                                    client.sign_in_with_optional_connect(true, cx).await
+                                })
+                                .detach_and_log_err(cx);
+                            }
+                        }),
+                )
+        } else {
+            Callout::new()
+                .icon(IconName::Warning)
+                .severity(Severity::Warning)
+                .when(border_bottom, |this| {
+                    this.border_position(ui::BorderPosition::Bottom)
+                })
+                .title(configuration_error.to_string())
+                .actions_slot(
+                    Button::new("settings", "Configure")
                         .style(ButtonStyle::Tinted(ui::TintColor::Warning))
                         .label_size(LabelSize::Small)
                         .key_binding(
-                            KeyBinding::for_action_in(&OpenSettings, &focus_handle, window, cx)
+                            KeyBinding::for_action_in(&OpenSettings, focus_handle, window, cx)
                                 .map(|kb| kb.size(rems_from_px(12.))),
                         )
                         .on_click(|_event, window, cx| {
                             window.dispatch_action(OpenSettings.boxed_clone(), cx)
                         }),
-                ),
-            ConfigurationError::ProviderPendingTermsAcceptance(provider) => {
-                Banner::new().severity(ui::Severity::Warning).child(
-                    h_flex().w_full().children(
-                        provider.render_accept_terms(
-                            LanguageModelProviderTosView::ThreadEmptyState,
-                            cx,
-                        ),
-                    ),
                 )
-            }
+        };
+
+        match configuration_error {
+            ConfigurationError::ModelNotFound
+            | ConfigurationError::ProviderNotAuthenticated(_)
+            | ConfigurationError::NoProvider => callout.into_any_element(),
         }
     }
 
@@ -2760,7 +3309,7 @@ impl AgentPanel {
         let focus_handle = self.focus_handle(cx);
 
         let banner = Banner::new()
-            .severity(ui::Severity::Info)
+            .severity(Severity::Info)
             .child(Label::new("Consecutive tool use limit reached.").size(LabelSize::Small))
             .action_slot(
                 h_flex()
@@ -2871,10 +3420,6 @@ impl AgentPanel {
             }))
     }
 
-    fn error_callout_bg(&self, cx: &Context<Self>) -> Hsla {
-        cx.theme().status().error.opacity(0.08)
-    }
-
     fn render_payment_required_error(
         &self,
         thread: &Entity<ActiveThread>,
@@ -2883,23 +3428,18 @@ impl AgentPanel {
         const ERROR_MESSAGE: &str =
             "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
 
-        let icon = Icon::new(IconName::XCircle)
-            .size(IconSize::Small)
-            .color(Color::Error);
-
-        div()
-            .border_t_1()
-            .border_color(cx.theme().colors().border)
-            .child(
-                Callout::new()
-                    .icon(icon)
-                    .title("Free Usage Exceeded")
-                    .description(ERROR_MESSAGE)
-                    .tertiary_action(self.upgrade_button(thread, cx))
-                    .secondary_action(self.create_copy_button(ERROR_MESSAGE))
-                    .primary_action(self.dismiss_error_button(thread, cx))
-                    .bg_color(self.error_callout_bg(cx)),
+        Callout::new()
+            .severity(Severity::Error)
+            .icon(IconName::XCircle)
+            .title("Free Usage Exceeded")
+            .description(ERROR_MESSAGE)
+            .actions_slot(
+                h_flex()
+                    .gap_0p5()
+                    .child(self.upgrade_button(thread, cx))
+                    .child(self.create_copy_button(ERROR_MESSAGE)),
             )
+            .dismiss_action(self.dismiss_error_button(thread, cx))
             .into_any_element()
     }
 
@@ -2911,26 +3451,40 @@ impl AgentPanel {
     ) -> AnyElement {
         let error_message = match plan {
             Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
-            Plan::ZedProTrial | Plan::Free => "Upgrade to Zed Pro for more prompts.",
+            Plan::ZedProTrial | Plan::ZedFree => "Upgrade to Zed Pro for more prompts.",
         };
 
-        let icon = Icon::new(IconName::XCircle)
-            .size(IconSize::Small)
-            .color(Color::Error);
-
-        div()
-            .border_t_1()
-            .border_color(cx.theme().colors().border)
-            .child(
-                Callout::new()
-                    .icon(icon)
-                    .title("Model Prompt Limit Reached")
-                    .description(error_message)
-                    .tertiary_action(self.upgrade_button(thread, cx))
-                    .secondary_action(self.create_copy_button(error_message))
-                    .primary_action(self.dismiss_error_button(thread, cx))
-                    .bg_color(self.error_callout_bg(cx)),
+        Callout::new()
+            .severity(Severity::Error)
+            .title("Model Prompt Limit Reached")
+            .description(error_message)
+            .actions_slot(
+                h_flex()
+                    .gap_0p5()
+                    .child(self.upgrade_button(thread, cx))
+                    .child(self.create_copy_button(error_message)),
             )
+            .dismiss_action(self.dismiss_error_button(thread, cx))
+            .into_any_element()
+    }
+
+    fn render_retry_button(&self, thread: &Entity<ActiveThread>) -> AnyElement {
+        Button::new("retry", "Retry")
+            .icon(IconName::RotateCw)
+            .icon_position(IconPosition::Start)
+            .icon_size(IconSize::Small)
+            .label_size(LabelSize::Small)
+            .on_click({
+                let thread = thread.clone();
+                move |_, window, cx| {
+                    thread.update(cx, |thread, cx| {
+                        thread.clear_last_error();
+                        thread.thread().update(cx, |thread, cx| {
+                            thread.retry_last_completion(Some(window.window_handle()), cx);
+                        });
+                    });
+                }
+            })
             .into_any_element()
     }
 
@@ -2943,40 +3497,18 @@ impl AgentPanel {
     ) -> AnyElement {
         let message_with_header = format!("{}\n{}", header, message);
 
-        let icon = Icon::new(IconName::XCircle)
-            .size(IconSize::Small)
-            .color(Color::Error);
-
-        let retry_button = Button::new("retry", "Retry")
-            .icon(IconName::RotateCw)
-            .icon_position(IconPosition::Start)
-            .icon_size(IconSize::Small)
-            .label_size(LabelSize::Small)
-            .on_click({
-                let thread = thread.clone();
-                move |_, window, cx| {
-                    thread.update(cx, |thread, cx| {
-                        thread.clear_last_error();
-                        thread.thread().update(cx, |thread, cx| {
-                            thread.retry_last_completion(Some(window.window_handle()), cx);
-                        });
-                    });
-                }
-            });
-
-        div()
-            .border_t_1()
-            .border_color(cx.theme().colors().border)
-            .child(
-                Callout::new()
-                    .icon(icon)
-                    .title(header)
-                    .description(message.clone())
-                    .primary_action(retry_button)
-                    .secondary_action(self.dismiss_error_button(thread, cx))
-                    .tertiary_action(self.create_copy_button(message_with_header))
-                    .bg_color(self.error_callout_bg(cx)),
+        Callout::new()
+            .severity(Severity::Error)
+            .icon(IconName::XCircle)
+            .title(header)
+            .description(message)
+            .actions_slot(
+                h_flex()
+                    .gap_0p5()
+                    .child(self.render_retry_button(thread))
+                    .child(self.create_copy_button(message_with_header)),
             )
+            .dismiss_action(self.dismiss_error_button(thread, cx))
             .into_any_element()
     }
 
@@ -2985,60 +3517,39 @@ impl AgentPanel {
         message: SharedString,
         can_enable_burn_mode: bool,
         thread: &Entity<ActiveThread>,
-        cx: &mut Context<Self>,
     ) -> AnyElement {
-        let icon = Icon::new(IconName::XCircle)
-            .size(IconSize::Small)
-            .color(Color::Error);
-
-        let retry_button = Button::new("retry", "Retry")
-            .icon(IconName::RotateCw)
-            .icon_position(IconPosition::Start)
-            .icon_size(IconSize::Small)
-            .label_size(LabelSize::Small)
-            .on_click({
-                let thread = thread.clone();
-                move |_, window, cx| {
-                    thread.update(cx, |thread, cx| {
-                        thread.clear_last_error();
-                        thread.thread().update(cx, |thread, cx| {
-                            thread.retry_last_completion(Some(window.window_handle()), cx);
-                        });
-                    });
-                }
-            });
-
-        let mut callout = Callout::new()
-            .icon(icon)
+        Callout::new()
+            .severity(Severity::Error)
             .title("Error")
-            .description(message.clone())
-            .bg_color(self.error_callout_bg(cx))
-            .primary_action(retry_button);
-
-        if can_enable_burn_mode {
-            let burn_mode_button = Button::new("enable_burn_retry", "Enable Burn Mode and Retry")
-                .icon(IconName::ZedBurnMode)
-                .icon_position(IconPosition::Start)
-                .icon_size(IconSize::Small)
-                .label_size(LabelSize::Small)
-                .on_click({
-                    let thread = thread.clone();
-                    move |_, window, cx| {
-                        thread.update(cx, |thread, cx| {
-                            thread.clear_last_error();
-                            thread.thread().update(cx, |thread, cx| {
-                                thread.enable_burn_mode_and_retry(Some(window.window_handle()), cx);
-                            });
-                        });
-                    }
-                });
-            callout = callout.secondary_action(burn_mode_button);
-        }
-
-        div()
-            .border_t_1()
-            .border_color(cx.theme().colors().border)
-            .child(callout)
+            .description(message)
+            .actions_slot(
+                h_flex()
+                    .gap_0p5()
+                    .when(can_enable_burn_mode, |this| {
+                        this.child(
+                            Button::new("enable_burn_retry", "Enable Burn Mode and Retry")
+                                .icon(IconName::ZedBurnMode)
+                                .icon_position(IconPosition::Start)
+                                .icon_size(IconSize::Small)
+                                .label_size(LabelSize::Small)
+                                .on_click({
+                                    let thread = thread.clone();
+                                    move |_, window, cx| {
+                                        thread.update(cx, |thread, cx| {
+                                            thread.clear_last_error();
+                                            thread.thread().update(cx, |thread, cx| {
+                                                thread.enable_burn_mode_and_retry(
+                                                    Some(window.window_handle()),
+                                                    cx,
+                                                );
+                                            });
+                                        });
+                                    }
+                                }),
+                        )
+                    })
+                    .child(self.render_retry_button(thread)),
+            )
             .into_any_element()
     }
 
@@ -3117,9 +3628,9 @@ impl AgentPanel {
             .on_drop(cx.listener(move |this, paths: &ExternalPaths, window, cx| {
                 let tasks = paths
                     .paths()
-                    .into_iter()
+                    .iter()
                     .map(|path| {
-                        Workspace::project_path_for_path(this.project.clone(), &path, false, cx)
+                        Workspace::project_path_for_path(this.project.clone(), path, false, cx)
                     })
                     .collect::<Vec<_>>();
                 cx.spawn_in(window, async move |this, cx| {
@@ -3169,8 +3680,10 @@ impl AgentPanel {
                     .detach();
                 });
             }
-            ActiveView::ExternalAgentThread { .. } => {
-                unimplemented!()
+            ActiveView::ExternalAgentThread { thread_view } => {
+                thread_view.update(cx, |thread_view, cx| {
+                    thread_view.insert_dragged_files(paths, added_worktrees, window, cx);
+                });
             }
             ActiveView::TextThread { context_editor, .. } => {
                 context_editor.update(cx, |context_editor, cx| {
@@ -3211,9 +3724,10 @@ impl Render for AgentPanel {
         // - Scrolling in all views works as expected
         // - Files can be dropped into the panel
         let content = v_flex()
-            .key_context(self.key_context())
-            .justify_between()
+            .relative()
             .size_full()
+            .justify_between()
+            .key_context(self.key_context())
             .on_action(cx.listener(Self::cancel))
             .on_action(cx.listener(|this, action: &NewThread, window, cx| {
                 this.new_thread(action, window, cx);
@@ -3254,16 +3768,19 @@ impl Render for AgentPanel {
                 }
             }))
             .on_action(cx.listener(Self::toggle_burn_mode))
+            .on_action(cx.listener(|this, _: &ReauthenticateAgent, window, cx| {
+                if let Some(thread_view) = this.active_thread_view() {
+                    thread_view.update(cx, |thread_view, cx| thread_view.reauthenticate(window, cx))
+                }
+            }))
             .child(self.render_toolbar(window, cx))
             .children(self.render_onboarding(window, cx))
-            .children(self.render_trial_end_upsell(window, cx))
             .map(|parent| match &self.active_view {
                 ActiveView::Thread {
                     thread,
                     message_editor,
                     ..
                 } => parent
-                    .relative()
                     .child(
                         if thread.read(cx).is_empty() && !self.should_render_onboarding(cx) {
                             self.render_thread_empty_state(window, cx)
@@ -3292,7 +3809,6 @@ impl Render for AgentPanel {
                                         message,
                                         can_enable_burn_mode,
                                         thread,
-                                        cx,
                                     ),
                                 })
                                 .into_any(),
@@ -3300,24 +3816,19 @@ impl Render for AgentPanel {
                     })
                     .child(h_flex().relative().child(message_editor.clone()).when(
                         !LanguageModelRegistry::read_global(cx).has_authenticated_provider(cx),
-                        |this| {
-                            this.child(
-                                div()
-                                    .size_full()
-                                    .absolute()
-                                    .inset_0()
-                                    .bg(cx.theme().colors().panel_background)
-                                    .opacity(0.8)
-                                    .block_mouse_except_scroll(),
-                            )
-                        },
+                        |this| this.child(self.render_backdrop(cx)),
                     ))
                     .child(self.render_drag_target(cx)),
                 ActiveView::ExternalAgentThread { thread_view, .. } => parent
-                    .relative()
                     .child(thread_view.clone())
                     .child(self.render_drag_target(cx)),
-                ActiveView::History => parent.child(self.history.clone()),
+                ActiveView::History => {
+                    if cx.has_flag::<feature_flags::GeminiAndNativeFeatureFlag>() {
+                        parent.child(self.acp_history.clone())
+                    } else {
+                        parent.child(self.history.clone())
+                    }
+                }
                 ActiveView::TextThread {
                     context_editor,
                     buffer_search_bar,
@@ -3331,16 +3842,13 @@ impl Render for AgentPanel {
                             if !self.should_render_onboarding(cx)
                                 && let Some(err) = configuration_error.as_ref()
                             {
-                                this.child(
-                                    div().bg(cx.theme().colors().editor_background).p_2().child(
-                                        self.render_configuration_error(
-                                            err,
-                                            &self.focus_handle(cx),
-                                            window,
-                                            cx,
-                                        ),
-                                    ),
-                                )
+                                this.child(self.render_configuration_error(
+                                    true,
+                                    err,
+                                    &self.focus_handle(cx),
+                                    window,
+                                    cx,
+                                ))
                             } else {
                                 this
                             }
@@ -3353,7 +3861,8 @@ impl Render for AgentPanel {
                         ))
                 }
                 ActiveView::Configuration => parent.children(self.configuration.clone()),
-            });
+            })
+            .children(self.render_trial_end_upsell(window, cx));
 
         match self.active_view.which_font_size_used() {
             WhichFontSize::AgentFont => {
@@ -3398,7 +3907,7 @@ impl rules_library::InlineAssistDelegate for PromptLibraryInlineAssist {
             let text_thread_store = None;
             let context_store = cx.new(|_| ContextStore::new(project.clone(), None));
             assistant.assist(
-                &prompt_editor,
+                prompt_editor,
                 self.workspace.clone(),
                 context_store,
                 project,
@@ -3481,7 +3990,11 @@ impl AgentPanelDelegate for ConcreteAssistantPanelDelegate {
             // Wait to create a new context until the workspace is no longer
             // being updated.
             cx.defer_in(window, move |panel, window, cx| {
-                if let Some(message_editor) = panel.active_message_editor() {
+                if let Some(thread_view) = panel.active_thread_view() {
+                    thread_view.update(cx, |thread_view, cx| {
+                        thread_view.insert_selections(window, cx);
+                    });
+                } else if let Some(message_editor) = panel.active_message_editor() {
                     message_editor.update(cx, |message_editor, cx| {
                         message_editor.context_store().update(cx, |store, cx| {
                             let buffer = buffer.read(cx);
diff --git a/crates/agent_ui/src/agent_ui.rs b/crates/agent_ui/src/agent_ui.rs
index 0800031abe..110c432df3 100644
--- a/crates/agent_ui/src/agent_ui.rs
+++ b/crates/agent_ui/src/agent_ui.rs
@@ -5,7 +5,6 @@ mod agent_diff;
 mod agent_model_selector;
 mod agent_panel;
 mod buffer_codegen;
-mod burn_mode_tooltip;
 mod context_picker;
 mod context_server_configuration;
 mod context_strip;
@@ -29,17 +28,19 @@ use std::rc::Rc;
 use std::sync::Arc;
 
 use agent::{Thread, ThreadId};
+use agent_servers::AgentServerSettings;
 use agent_settings::{AgentProfileId, AgentSettings, LanguageModelSelection};
 use assistant_slash_command::SlashCommandRegistry;
-use client::{Client, DisableAiSettings};
+use client::Client;
 use command_palette_hooks::CommandPaletteFilter;
 use feature_flags::FeatureFlagAppExt as _;
 use fs::Fs;
-use gpui::{Action, App, Entity, actions};
+use gpui::{Action, App, Entity, SharedString, actions};
 use language::LanguageRegistry;
 use language_model::{
     ConfiguredModel, LanguageModel, LanguageModelId, LanguageModelProviderId, LanguageModelRegistry,
 };
+use project::DisableAiSettings;
 use prompt_store::PromptBuilder;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
@@ -63,6 +64,8 @@ actions!(
         NewTextThread,
         /// Toggles the context picker interface for adding files, symbols, or other context.
         ToggleContextPicker,
+        /// Toggles the menu to create new agent threads.
+        ToggleNewThreadMenu,
         /// Toggles the navigation menu for switching between threads and views.
         ToggleNavigationMenu,
         /// Toggles the options menu for agent settings and preferences.
@@ -126,6 +129,12 @@ actions!(
     ]
 );
 
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Action)]
+#[action(namespace = agent)]
+#[action(deprecated_aliases = ["assistant::QuoteSelection"])]
+/// Quotes the current selection in the agent panel's message editor.
+pub struct QuoteSelection;
+
 /// Creates a new conversation thread, optionally based on an existing thread.
 #[derive(Default, Clone, PartialEq, Deserialize, JsonSchema, Action)]
 #[action(namespace = agent)]
@@ -144,21 +153,50 @@ pub struct NewExternalAgentThread {
     agent: Option<ExternalAgent>,
 }
 
-#[derive(Default, Clone, Copy, PartialEq, Serialize, Deserialize, JsonSchema)]
+#[derive(Clone, PartialEq, Deserialize, JsonSchema, Action)]
+#[action(namespace = agent)]
+#[serde(deny_unknown_fields)]
+pub struct NewNativeAgentThreadFromSummary {
+    from_session_id: agent_client_protocol::SessionId,
+}
+
+// TODO unify this with AgentType
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize, JsonSchema)]
 #[serde(rename_all = "snake_case")]
 enum ExternalAgent {
     #[default]
     Gemini,
     ClaudeCode,
-    Codex,
+    NativeAgent,
+    Custom {
+        name: SharedString,
+        settings: AgentServerSettings,
+    },
 }
 
 impl ExternalAgent {
-    pub fn server(&self) -> Rc<dyn agent_servers::AgentServer> {
+    fn name(&self) -> &'static str {
         match self {
-            ExternalAgent::Gemini => Rc::new(agent_servers::Gemini),
-            ExternalAgent::ClaudeCode => Rc::new(agent_servers::ClaudeCode),
-            ExternalAgent::Codex => Rc::new(agent_servers::Codex),
+            Self::NativeAgent => "zed",
+            Self::Gemini => "gemini-cli",
+            Self::ClaudeCode => "claude-code",
+            Self::Custom { .. } => "custom",
+        }
+    }
+
+    pub fn server(
+        &self,
+        fs: Arc<dyn fs::Fs>,
+        history: Entity<agent2::HistoryStore>,
+    ) -> Rc<dyn agent_servers::AgentServer> {
+        match self {
+            Self::Gemini => Rc::new(agent_servers::Gemini),
+            Self::ClaudeCode => Rc::new(agent_servers::ClaudeCode),
+            Self::NativeAgent => Rc::new(agent2::NativeAgentServer::new(fs, history)),
+            Self::Custom { name, settings } => Rc::new(agent_servers::CustomAgentServer::new(
+                name.clone(),
+                settings,
+            )),
         }
     }
 }
@@ -234,13 +272,7 @@ pub fn init(
         client.telemetry().clone(),
         cx,
     );
-    terminal_inline_assistant::init(
-        fs.clone(),
-        prompt_builder.clone(),
-        client.telemetry().clone(),
-        cx,
-    );
-    indexed_docs::init(cx);
+    terminal_inline_assistant::init(fs.clone(), prompt_builder, client.telemetry().clone(), cx);
     cx.observe_new(move |workspace, window, cx| {
         ConfigureContextServerModal::register(workspace, language_registry.clone(), window, cx)
     })
@@ -319,7 +351,7 @@ fn init_language_model_settings(cx: &mut App) {
     cx.subscribe(
         &LanguageModelRegistry::global(cx),
         |_, event: &language_model::Event, cx| match event {
-            language_model::Event::ProviderStateChanged
+            language_model::Event::ProviderStateChanged(_)
             | language_model::Event::AddedProvider(_)
             | language_model::Event::RemovedProvider(_) => {
                 update_active_language_model_from_settings(cx);
@@ -386,7 +418,6 @@ fn register_slash_commands(cx: &mut App) {
     slash_command_registry.register_command(assistant_slash_commands::FetchSlashCommand, true);
 
     cx.observe_flag::<assistant_slash_commands::StreamingExampleSlashCommandFeatureFlag, _>({
-        let slash_command_registry = slash_command_registry.clone();
         move |is_enabled, _cx| {
             if is_enabled {
                 slash_command_registry.register_command(
@@ -407,12 +438,6 @@ fn update_slash_commands_from_settings(cx: &mut App) {
     let slash_command_registry = SlashCommandRegistry::global(cx);
     let settings = SlashCommandSettings::get_global(cx);
 
-    if settings.docs.enabled {
-        slash_command_registry.register_command(assistant_slash_commands::DocsSlashCommand, true);
-    } else {
-        slash_command_registry.unregister_command(assistant_slash_commands::DocsSlashCommand);
-    }
-
     if settings.cargo_workspace.enabled {
         slash_command_registry
             .register_command(assistant_slash_commands::CargoWorkspaceSlashCommand, true);
diff --git a/crates/agent_ui/src/buffer_codegen.rs b/crates/agent_ui/src/buffer_codegen.rs
index 615142b73d..04eb41793f 100644
--- a/crates/agent_ui/src/buffer_codegen.rs
+++ b/crates/agent_ui/src/buffer_codegen.rs
@@ -352,12 +352,12 @@ impl CodegenAlternative {
         event: &multi_buffer::Event,
         cx: &mut Context<Self>,
     ) {
-        if let multi_buffer::Event::TransactionUndone { transaction_id } = event {
-            if self.transformation_transaction_id == Some(*transaction_id) {
-                self.transformation_transaction_id = None;
-                self.generation = Task::ready(());
-                cx.emit(CodegenEvent::Undone);
-            }
+        if let multi_buffer::Event::TransactionUndone { transaction_id } = event
+            && self.transformation_transaction_id == Some(*transaction_id)
+        {
+            self.transformation_transaction_id = None;
+            self.generation = Task::ready(());
+            cx.emit(CodegenEvent::Undone);
         }
     }
 
@@ -388,7 +388,7 @@ impl CodegenAlternative {
             } else {
                 let request = self.build_request(&model, user_prompt, cx)?;
                 cx.spawn(async move |_, cx| {
-                    Ok(model.stream_completion_text(request.await, &cx).await?)
+                    Ok(model.stream_completion_text(request.await, cx).await?)
                 })
                 .boxed_local()
             };
@@ -447,7 +447,7 @@ impl CodegenAlternative {
             }
         });
 
-        let temperature = AgentSettings::temperature_for_model(&model, cx);
+        let temperature = AgentSettings::temperature_for_model(model, cx);
 
         Ok(cx.spawn(async move |_cx| {
             let mut request_message = LanguageModelRequestMessage {
@@ -576,38 +576,34 @@ impl CodegenAlternative {
                                 let mut lines = chunk.split('\n').peekable();
                                 while let Some(line) = lines.next() {
                                     new_text.push_str(line);
-                                    if line_indent.is_none() {
-                                        if let Some(non_whitespace_ch_ix) =
+                                    if line_indent.is_none()
+                                        && let Some(non_whitespace_ch_ix) =
                                             new_text.find(|ch: char| !ch.is_whitespace())
-                                        {
-                                            line_indent = Some(non_whitespace_ch_ix);
-                                            base_indent = base_indent.or(line_indent);
+                                    {
+                                        line_indent = Some(non_whitespace_ch_ix);
+                                        base_indent = base_indent.or(line_indent);
 
-                                            let line_indent = line_indent.unwrap();
-                                            let base_indent = base_indent.unwrap();
-                                            let indent_delta =
-                                                line_indent as i32 - base_indent as i32;
-                                            let mut corrected_indent_len = cmp::max(
-                                                0,
-                                                suggested_line_indent.len as i32 + indent_delta,
-                                            )
-                                                as usize;
-                                            if first_line {
-                                                corrected_indent_len = corrected_indent_len
-                                                    .saturating_sub(
-                                                        selection_start.column as usize,
-                                                    );
-                                            }
-
-                                            let indent_char = suggested_line_indent.char();
-                                            let mut indent_buffer = [0; 4];
-                                            let indent_str =
-                                                indent_char.encode_utf8(&mut indent_buffer);
-                                            new_text.replace_range(
-                                                ..line_indent,
-                                                &indent_str.repeat(corrected_indent_len),
-                                            );
+                                        let line_indent = line_indent.unwrap();
+                                        let base_indent = base_indent.unwrap();
+                                        let indent_delta = line_indent as i32 - base_indent as i32;
+                                        let mut corrected_indent_len = cmp::max(
+                                            0,
+                                            suggested_line_indent.len as i32 + indent_delta,
+                                        )
+                                            as usize;
+                                        if first_line {
+                                            corrected_indent_len = corrected_indent_len
+                                                .saturating_sub(selection_start.column as usize);
                                         }
+
+                                        let indent_char = suggested_line_indent.char();
+                                        let mut indent_buffer = [0; 4];
+                                        let indent_str =
+                                            indent_char.encode_utf8(&mut indent_buffer);
+                                        new_text.replace_range(
+                                            ..line_indent,
+                                            &indent_str.repeat(corrected_indent_len),
+                                        );
                                     }
 
                                     if line_indent.is_some() {
@@ -1028,7 +1024,7 @@ where
                                 chunk.push('\n');
                             }
 
-                            chunk.push_str(&line);
+                            chunk.push_str(line);
                         }
 
                         consumed += line.len();
@@ -1133,7 +1129,7 @@ mod tests {
             )
         });
 
-        let chunks_tx = simulate_response_stream(codegen.clone(), cx);
+        let chunks_tx = simulate_response_stream(&codegen, cx);
 
         let mut new_text = concat!(
             "       let mut x = 0;\n",
@@ -1200,7 +1196,7 @@ mod tests {
             )
         });
 
-        let chunks_tx = simulate_response_stream(codegen.clone(), cx);
+        let chunks_tx = simulate_response_stream(&codegen, cx);
 
         cx.background_executor.run_until_parked();
 
@@ -1269,7 +1265,7 @@ mod tests {
             )
         });
 
-        let chunks_tx = simulate_response_stream(codegen.clone(), cx);
+        let chunks_tx = simulate_response_stream(&codegen, cx);
 
         cx.background_executor.run_until_parked();
 
@@ -1338,7 +1334,7 @@ mod tests {
             )
         });
 
-        let chunks_tx = simulate_response_stream(codegen.clone(), cx);
+        let chunks_tx = simulate_response_stream(&codegen, cx);
         let new_text = concat!(
             "func main() {\n",
             "\tx := 0\n",
@@ -1395,7 +1391,7 @@ mod tests {
             )
         });
 
-        let chunks_tx = simulate_response_stream(codegen.clone(), cx);
+        let chunks_tx = simulate_response_stream(&codegen, cx);
         chunks_tx
             .unbounded_send("let mut x = 0;\nx += 1;".to_string())
             .unwrap();
@@ -1477,7 +1473,7 @@ mod tests {
     }
 
     fn simulate_response_stream(
-        codegen: Entity<CodegenAlternative>,
+        codegen: &Entity<CodegenAlternative>,
         cx: &mut TestAppContext,
     ) -> mpsc::UnboundedSender<String> {
         let (chunks_tx, chunks_rx) = mpsc::unbounded();
diff --git a/crates/agent_ui/src/burn_mode_tooltip.rs b/crates/agent_ui/src/burn_mode_tooltip.rs
deleted file mode 100644
index 6354c07760..0000000000
--- a/crates/agent_ui/src/burn_mode_tooltip.rs
+++ /dev/null
@@ -1,61 +0,0 @@
-use gpui::{Context, FontWeight, IntoElement, Render, Window};
-use ui::{prelude::*, tooltip_container};
-
-pub struct BurnModeTooltip {
-    selected: bool,
-}
-
-impl BurnModeTooltip {
-    pub fn new() -> Self {
-        Self { selected: false }
-    }
-
-    pub fn selected(mut self, selected: bool) -> Self {
-        self.selected = selected;
-        self
-    }
-}
-
-impl Render for BurnModeTooltip {
-    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let (icon, color) = if self.selected {
-            (IconName::ZedBurnModeOn, Color::Error)
-        } else {
-            (IconName::ZedBurnMode, Color::Default)
-        };
-
-        let turned_on = h_flex()
-            .h_4()
-            .px_1()
-            .border_1()
-            .border_color(cx.theme().colors().border)
-            .bg(cx.theme().colors().text_accent.opacity(0.1))
-            .rounded_sm()
-            .child(
-                Label::new("ON")
-                    .size(LabelSize::XSmall)
-                    .weight(FontWeight::SEMIBOLD)
-                    .color(Color::Accent),
-            );
-
-        let title = h_flex()
-            .gap_1p5()
-            .child(Icon::new(icon).size(IconSize::Small).color(color))
-            .child(Label::new("Burn Mode"))
-            .when(self.selected, |title| title.child(turned_on));
-
-        tooltip_container(window, cx, |this, _, _| {
-            this
-                .child(title)
-                .child(
-                    div()
-                        .max_w_64()
-                        .child(
-                            Label::new("Enables models to use large context windows, unlimited tool calls, and other capabilities for expanded reasoning.")
-                                .size(LabelSize::Small)
-                                .color(Color::Muted)
-                        )
-                )
-        })
-    }
-}
diff --git a/crates/agent_ui/src/context_picker.rs b/crates/agent_ui/src/context_picker.rs
index 5cc56b014e..405b5ed90b 100644
--- a/crates/agent_ui/src/context_picker.rs
+++ b/crates/agent_ui/src/context_picker.rs
@@ -1,18 +1,19 @@
 mod completion_provider;
-mod fetch_context_picker;
+pub(crate) mod fetch_context_picker;
 pub(crate) mod file_context_picker;
-mod rules_context_picker;
-mod symbol_context_picker;
-mod thread_context_picker;
+pub(crate) mod rules_context_picker;
+pub(crate) mod symbol_context_picker;
+pub(crate) mod thread_context_picker;
 
 use std::ops::Range;
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
 
 use anyhow::{Result, anyhow};
+use collections::HashSet;
 pub use completion_provider::ContextPickerCompletionProvider;
 use editor::display_map::{Crease, CreaseId, CreaseMetadata, FoldId};
-use editor::{Anchor, AnchorRangeExt as _, Editor, ExcerptId, FoldPlaceholder, ToOffset};
+use editor::{Anchor, Editor, ExcerptId, FoldPlaceholder, ToOffset};
 use fetch_context_picker::FetchContextPicker;
 use file_context_picker::FileContextPicker;
 use file_context_picker::render_file_context_entry;
@@ -45,7 +46,7 @@ use agent::{
 };
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ContextPickerEntry {
+pub(crate) enum ContextPickerEntry {
     Mode(ContextPickerMode),
     Action(ContextPickerAction),
 }
@@ -74,7 +75,7 @@ impl ContextPickerEntry {
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ContextPickerMode {
+pub(crate) enum ContextPickerMode {
     File,
     Symbol,
     Fetch,
@@ -83,7 +84,7 @@ enum ContextPickerMode {
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ContextPickerAction {
+pub(crate) enum ContextPickerAction {
     AddSelections,
 }
 
@@ -102,7 +103,7 @@ impl ContextPickerAction {
 
     pub fn icon(&self) -> IconName {
         match self {
-            Self::AddSelections => IconName::Context,
+            Self::AddSelections => IconName::Reader,
         }
     }
 }
@@ -147,8 +148,8 @@ impl ContextPickerMode {
         match self {
             Self::File => IconName::File,
             Self::Symbol => IconName::Code,
-            Self::Fetch => IconName::Globe,
-            Self::Thread => IconName::MessageBubbles,
+            Self::Fetch => IconName::ToolWeb,
+            Self::Thread => IconName::Thread,
             Self::Rules => RULES_ICON,
         }
     }
@@ -227,7 +228,7 @@ impl ContextPicker {
     }
 
     fn build_menu(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Entity<ContextMenu> {
-        let context_picker = cx.entity().clone();
+        let context_picker = cx.entity();
 
         let menu = ContextMenu::build(window, cx, move |menu, _window, cx| {
             let recent = self.recent_entries(cx);
@@ -384,12 +385,11 @@ impl ContextPicker {
     }
 
     pub fn select_first(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        match &self.mode {
-            ContextPickerState::Default(entity) => entity.update(cx, |entity, cx| {
+        // Other variants already select their first entry on open automatically
+        if let ContextPickerState::Default(entity) = &self.mode {
+            entity.update(cx, |entity, cx| {
                 entity.select_first(&Default::default(), window, cx)
-            }),
-            // Other variants already select their first entry on open automatically
-            _ => {}
+            })
         }
     }
 
@@ -531,7 +531,7 @@ impl ContextPicker {
             return vec![];
         };
 
-        recent_context_picker_entries(
+        recent_context_picker_entries_with_store(
             context_store,
             self.thread_store.clone(),
             self.text_thread_store.clone(),
@@ -585,7 +585,8 @@ impl Render for ContextPicker {
             })
     }
 }
-enum RecentEntry {
+
+pub(crate) enum RecentEntry {
     File {
         project_path: ProjectPath,
         path_prefix: Arc<str>,
@@ -593,7 +594,7 @@ enum RecentEntry {
     Thread(ThreadContextEntry),
 }
 
-fn available_context_picker_entries(
+pub(crate) fn available_context_picker_entries(
     prompt_store: &Option<Entity<PromptStore>>,
     thread_store: &Option<WeakEntity<ThreadStore>>,
     workspace: &Entity<Workspace>,
@@ -608,9 +609,7 @@ fn available_context_picker_entries(
         .read(cx)
         .active_item(cx)
         .and_then(|item| item.downcast::<Editor>())
-        .map_or(false, |editor| {
-            editor.update(cx, |editor, cx| editor.has_non_empty_selection(cx))
-        });
+        .is_some_and(|editor| editor.update(cx, |editor, cx| editor.has_non_empty_selection(cx)));
     if has_selection {
         entries.push(ContextPickerEntry::Action(
             ContextPickerAction::AddSelections,
@@ -630,24 +629,56 @@ fn available_context_picker_entries(
     entries
 }
 
-fn recent_context_picker_entries(
+fn recent_context_picker_entries_with_store(
     context_store: Entity<ContextStore>,
     thread_store: Option<WeakEntity<ThreadStore>>,
     text_thread_store: Option<WeakEntity<TextThreadStore>>,
     workspace: Entity<Workspace>,
     exclude_path: Option<ProjectPath>,
     cx: &App,
+) -> Vec<RecentEntry> {
+    let project = workspace.read(cx).project();
+
+    let mut exclude_paths = context_store.read(cx).file_paths(cx);
+    exclude_paths.extend(exclude_path);
+
+    let exclude_paths = exclude_paths
+        .into_iter()
+        .filter_map(|project_path| project.read(cx).absolute_path(&project_path, cx))
+        .collect();
+
+    let exclude_threads = context_store.read(cx).thread_ids();
+
+    recent_context_picker_entries(
+        thread_store,
+        text_thread_store,
+        workspace,
+        &exclude_paths,
+        exclude_threads,
+        cx,
+    )
+}
+
+pub(crate) fn recent_context_picker_entries(
+    thread_store: Option<WeakEntity<ThreadStore>>,
+    text_thread_store: Option<WeakEntity<TextThreadStore>>,
+    workspace: Entity<Workspace>,
+    exclude_paths: &HashSet<PathBuf>,
+    exclude_threads: &HashSet<ThreadId>,
+    cx: &App,
 ) -> Vec<RecentEntry> {
     let mut recent = Vec::with_capacity(6);
-    let mut current_files = context_store.read(cx).file_paths(cx);
-    current_files.extend(exclude_path);
     let workspace = workspace.read(cx);
     let project = workspace.project().read(cx);
 
     recent.extend(
         workspace
             .recent_navigation_history_iter(cx)
-            .filter(|(path, _)| !current_files.contains(path))
+            .filter(|(_, abs_path)| {
+                abs_path
+                    .as_ref()
+                    .is_none_or(|path| !exclude_paths.contains(path.as_path()))
+            })
             .take(4)
             .filter_map(|(project_path, _)| {
                 project
@@ -659,8 +690,6 @@ fn recent_context_picker_entries(
             }),
     );
 
-    let current_threads = context_store.read(cx).thread_ids();
-
     let active_thread_id = workspace
         .panel::<AgentPanel>(cx)
         .and_then(|panel| Some(panel.read(cx).active_thread(cx)?.read(cx).id()));
@@ -672,7 +701,7 @@ fn recent_context_picker_entries(
         let mut threads = unordered_thread_entries(thread_store, text_thread_store, cx)
             .filter(|(_, thread)| match thread {
                 ThreadContextEntry::Thread { id, .. } => {
-                    Some(id) != active_thread_id && !current_threads.contains(id)
+                    Some(id) != active_thread_id && !exclude_threads.contains(id)
                 }
                 ThreadContextEntry::Context { .. } => true,
             })
@@ -710,7 +739,7 @@ fn add_selections_as_context(
     })
 }
 
-fn selection_ranges(
+pub(crate) fn selection_ranges(
     workspace: &Entity<Workspace>,
     cx: &mut App,
 ) -> Vec<(Entity<Buffer>, Range<text::Anchor>)> {
@@ -789,13 +818,8 @@ pub fn crease_for_mention(
 
     let render_trailer = move |_row, _unfold, _window: &mut Window, _cx: &mut App| Empty.into_any();
 
-    Crease::inline(
-        range,
-        placeholder.clone(),
-        fold_toggle("mention"),
-        render_trailer,
-    )
-    .with_metadata(CreaseMetadata { icon_path, label })
+    Crease::inline(range, placeholder, fold_toggle("mention"), render_trailer)
+        .with_metadata(CreaseMetadata { icon_path, label })
 }
 
 fn render_fold_icon_button(
@@ -805,42 +829,9 @@ fn render_fold_icon_button(
 ) -> Arc<dyn Send + Sync + Fn(FoldId, Range<Anchor>, &mut App) -> AnyElement> {
     Arc::new({
         move |fold_id, fold_range, cx| {
-            let is_in_text_selection = editor.upgrade().is_some_and(|editor| {
-                editor.update(cx, |editor, cx| {
-                    let snapshot = editor
-                        .buffer()
-                        .update(cx, |multi_buffer, cx| multi_buffer.snapshot(cx));
-
-                    let is_in_pending_selection = || {
-                        editor
-                            .selections
-                            .pending
-                            .as_ref()
-                            .is_some_and(|pending_selection| {
-                                pending_selection
-                                    .selection
-                                    .range()
-                                    .includes(&fold_range, &snapshot)
-                            })
-                    };
-
-                    let mut is_in_complete_selection = || {
-                        editor
-                            .selections
-                            .disjoint_in_range::<usize>(fold_range.clone(), cx)
-                            .into_iter()
-                            .any(|selection| {
-                                // This is needed to cover a corner case, if we just check for an existing
-                                // selection in the fold range, having a cursor at the start of the fold
-                                // marks it as selected. Non-empty selections don't cause this.
-                                let length = selection.end - selection.start;
-                                length > 0
-                            })
-                    };
-
-                    is_in_pending_selection() || is_in_complete_selection()
-                })
-            });
+            let is_in_text_selection = editor
+                .update(cx, |editor, cx| editor.is_range_selected(&fold_range, cx))
+                .unwrap_or_default();
 
             ButtonLike::new(fold_id)
                 .style(ButtonStyle::Filled)
diff --git a/crates/agent_ui/src/context_picker/completion_provider.rs b/crates/agent_ui/src/context_picker/completion_provider.rs
index b377e40b19..020d799c79 100644
--- a/crates/agent_ui/src/context_picker/completion_provider.rs
+++ b/crates/agent_ui/src/context_picker/completion_provider.rs
@@ -35,7 +35,7 @@ use super::symbol_context_picker::search_symbols;
 use super::thread_context_picker::{ThreadContextEntry, ThreadMatch, search_threads};
 use super::{
     ContextPickerAction, ContextPickerEntry, ContextPickerMode, MentionLink, RecentEntry,
-    available_context_picker_entries, recent_context_picker_entries, selection_ranges,
+    available_context_picker_entries, recent_context_picker_entries_with_store, selection_ranges,
 };
 use crate::message_editor::ContextCreasesAddon;
 
@@ -79,8 +79,7 @@ fn search(
 ) -> Task<Vec<Match>> {
     match mode {
         Some(ContextPickerMode::File) => {
-            let search_files_task =
-                search_files(query.clone(), cancellation_flag.clone(), &workspace, cx);
+            let search_files_task = search_files(query, cancellation_flag, &workspace, cx);
             cx.background_spawn(async move {
                 search_files_task
                     .await
@@ -91,8 +90,7 @@ fn search(
         }
 
         Some(ContextPickerMode::Symbol) => {
-            let search_symbols_task =
-                search_symbols(query.clone(), cancellation_flag.clone(), &workspace, cx);
+            let search_symbols_task = search_symbols(query, cancellation_flag, &workspace, cx);
             cx.background_spawn(async move {
                 search_symbols_task
                     .await
@@ -108,13 +106,8 @@ fn search(
                 .and_then(|t| t.upgrade())
                 .zip(text_thread_context_store.as_ref().and_then(|t| t.upgrade()))
             {
-                let search_threads_task = search_threads(
-                    query.clone(),
-                    cancellation_flag.clone(),
-                    thread_store,
-                    context_store,
-                    cx,
-                );
+                let search_threads_task =
+                    search_threads(query, cancellation_flag, thread_store, context_store, cx);
                 cx.background_spawn(async move {
                     search_threads_task
                         .await
@@ -137,8 +130,7 @@ fn search(
 
         Some(ContextPickerMode::Rules) => {
             if let Some(prompt_store) = prompt_store.as_ref() {
-                let search_rules_task =
-                    search_rules(query.clone(), cancellation_flag.clone(), prompt_store, cx);
+                let search_rules_task = search_rules(query, cancellation_flag, prompt_store, cx);
                 cx.background_spawn(async move {
                     search_rules_task
                         .await
@@ -196,7 +188,7 @@ fn search(
                 let executor = cx.background_executor().clone();
 
                 let search_files_task =
-                    search_files(query.clone(), cancellation_flag.clone(), &workspace, cx);
+                    search_files(query.clone(), cancellation_flag, &workspace, cx);
 
                 let entries =
                     available_context_picker_entries(&prompt_store, &thread_store, &workspace, cx);
@@ -283,7 +275,7 @@ impl ContextPickerCompletionProvider {
     ) -> Option<Completion> {
         match entry {
             ContextPickerEntry::Mode(mode) => Some(Completion {
-                replace_range: source_range.clone(),
+                replace_range: source_range,
                 new_text: format!("@{} ", mode.keyword()),
                 label: CodeLabel::plain(mode.label().to_string(), None),
                 icon_path: Some(mode.icon().path().into()),
@@ -330,9 +322,6 @@ impl ContextPickerCompletionProvider {
                         );
 
                         let callback = Arc::new({
-                            let context_store = context_store.clone();
-                            let selections = selections.clone();
-                            let selection_infos = selection_infos.clone();
                             move |_, window: &mut Window, cx: &mut App| {
                                 context_store.update(cx, |context_store, cx| {
                                     for (buffer, range) in &selections {
@@ -371,7 +360,7 @@ impl ContextPickerCompletionProvider {
                                                 line_range.end.row + 1
                                             )
                                             .into(),
-                                            IconName::Context.path().into(),
+                                            IconName::Reader.path().into(),
                                             range,
                                             editor.downgrade(),
                                         );
@@ -423,7 +412,7 @@ impl ContextPickerCompletionProvider {
         let icon_for_completion = if recent {
             IconName::HistoryRerun
         } else {
-            IconName::MessageBubbles
+            IconName::Thread
         };
         let new_text = format!("{} ", MentionLink::for_thread(&thread_entry));
         let new_text_len = new_text.len();
@@ -436,12 +425,12 @@ impl ContextPickerCompletionProvider {
             source: project::CompletionSource::Custom,
             icon_path: Some(icon_for_completion.path().into()),
             confirm: Some(confirm_completion_callback(
-                IconName::MessageBubbles.path().into(),
+                IconName::Thread.path().into(),
                 thread_entry.title().clone(),
                 excerpt_id,
                 source_range.start,
                 new_text_len - 1,
-                editor.clone(),
+                editor,
                 context_store.clone(),
                 move |window, cx| match &thread_entry {
                     ThreadContextEntry::Thread { id, .. } => {
@@ -510,7 +499,7 @@ impl ContextPickerCompletionProvider {
                 excerpt_id,
                 source_range.start,
                 new_text_len - 1,
-                editor.clone(),
+                editor,
                 context_store.clone(),
                 move |_, cx| {
                     let user_prompt_id = rules.prompt_id;
@@ -539,15 +528,15 @@ impl ContextPickerCompletionProvider {
             label: CodeLabel::plain(url_to_fetch.to_string(), None),
             documentation: None,
             source: project::CompletionSource::Custom,
-            icon_path: Some(IconName::Globe.path().into()),
+            icon_path: Some(IconName::ToolWeb.path().into()),
             insert_text_mode: None,
             confirm: Some(confirm_completion_callback(
-                IconName::Globe.path().into(),
+                IconName::ToolWeb.path().into(),
                 url_to_fetch.clone(),
                 excerpt_id,
                 source_range.start,
                 new_text_len - 1,
-                editor.clone(),
+                editor,
                 context_store.clone(),
                 move |_, cx| {
                     let context_store = context_store.clone();
@@ -704,16 +693,16 @@ impl ContextPickerCompletionProvider {
                 excerpt_id,
                 source_range.start,
                 new_text_len - 1,
-                editor.clone(),
+                editor,
                 context_store.clone(),
                 move |_, cx| {
                     let symbol = symbol.clone();
                     let context_store = context_store.clone();
                     let workspace = workspace.clone();
                     let result = super::symbol_context_picker::add_symbol(
-                        symbol.clone(),
+                        symbol,
                         false,
-                        workspace.clone(),
+                        workspace,
                         context_store.downgrade(),
                         cx,
                     );
@@ -728,11 +717,11 @@ fn build_code_label_for_full_path(file_name: &str, directory: Option<&str>, cx:
     let comment_id = cx.theme().syntax().highlight_id("comment").map(HighlightId);
     let mut label = CodeLabel::default();
 
-    label.push_str(&file_name, None);
+    label.push_str(file_name, None);
     label.push_str(" ", None);
 
     if let Some(directory) = directory {
-        label.push_str(&directory, comment_id);
+        label.push_str(directory, comment_id);
     }
 
     label.filter_range = 0..label.text().len();
@@ -787,7 +776,7 @@ impl CompletionProvider for ContextPickerCompletionProvider {
             .and_then(|b| b.read(cx).file())
             .map(|file| ProjectPath::from_file(file.as_ref(), cx));
 
-        let recent_entries = recent_context_picker_entries(
+        let recent_entries = recent_context_picker_entries_with_store(
             context_store.clone(),
             thread_store.clone(),
             text_thread_store.clone(),
@@ -1020,7 +1009,7 @@ impl MentionCompletion {
             && line
                 .chars()
                 .nth(last_mention_start - 1)
-                .map_or(false, |c| !c.is_whitespace())
+                .is_some_and(|c| !c.is_whitespace())
         {
             return None;
         }
@@ -1162,7 +1151,7 @@ mod tests {
 
     impl Focusable for AtMentionEditor {
         fn focus_handle(&self, cx: &App) -> FocusHandle {
-            self.0.read(cx).focus_handle(cx).clone()
+            self.0.read(cx).focus_handle(cx)
         }
     }
 
@@ -1480,7 +1469,7 @@ mod tests {
         let completions = editor.current_completions().expect("Missing completions");
         completions
             .into_iter()
-            .map(|completion| completion.label.text.to_string())
+            .map(|completion| completion.label.text)
             .collect::<Vec<_>>()
     }
 
diff --git a/crates/agent_ui/src/context_picker/fetch_context_picker.rs b/crates/agent_ui/src/context_picker/fetch_context_picker.rs
index 8ff68a8365..dd558b2a1c 100644
--- a/crates/agent_ui/src/context_picker/fetch_context_picker.rs
+++ b/crates/agent_ui/src/context_picker/fetch_context_picker.rs
@@ -226,9 +226,10 @@ impl PickerDelegate for FetchContextPickerDelegate {
         _window: &mut Window,
         cx: &mut Context<Picker<Self>>,
     ) -> Option<Self::ListItem> {
-        let added = self.context_store.upgrade().map_or(false, |context_store| {
-            context_store.read(cx).includes_url(&self.url)
-        });
+        let added = self
+            .context_store
+            .upgrade()
+            .is_some_and(|context_store| context_store.read(cx).includes_url(&self.url));
 
         Some(
             ListItem::new(ix)
diff --git a/crates/agent_ui/src/context_picker/file_context_picker.rs b/crates/agent_ui/src/context_picker/file_context_picker.rs
index eaf9ed16d6..6c224caf4c 100644
--- a/crates/agent_ui/src/context_picker/file_context_picker.rs
+++ b/crates/agent_ui/src/context_picker/file_context_picker.rs
@@ -239,9 +239,7 @@ pub(crate) fn search_files(
 
                 PathMatchCandidateSet {
                     snapshot: worktree.snapshot(),
-                    include_ignored: worktree
-                        .root_entry()
-                        .map_or(false, |entry| entry.is_ignored),
+                    include_ignored: worktree.root_entry().is_some_and(|entry| entry.is_ignored),
                     include_root_name: true,
                     candidates: project::Candidates::Entries,
                 }
@@ -315,7 +313,7 @@ pub fn render_file_context_entry(
     context_store: WeakEntity<ContextStore>,
     cx: &App,
 ) -> Stateful<Div> {
-    let (file_name, directory) = extract_file_name_and_directory(&path, path_prefix);
+    let (file_name, directory) = extract_file_name_and_directory(path, path_prefix);
 
     let added = context_store.upgrade().and_then(|context_store| {
         let project_path = ProjectPath {
@@ -334,7 +332,7 @@ pub fn render_file_context_entry(
     let file_icon = if is_directory {
         FileIcons::get_folder_icon(false, cx)
     } else {
-        FileIcons::get_icon(&path, cx)
+        FileIcons::get_icon(path, cx)
     }
     .map(Icon::from_path)
     .unwrap_or_else(|| Icon::new(IconName::File));
diff --git a/crates/agent_ui/src/context_picker/rules_context_picker.rs b/crates/agent_ui/src/context_picker/rules_context_picker.rs
index 8ce821cfaa..f3982f61cb 100644
--- a/crates/agent_ui/src/context_picker/rules_context_picker.rs
+++ b/crates/agent_ui/src/context_picker/rules_context_picker.rs
@@ -159,7 +159,7 @@ pub fn render_thread_context_entry(
     context_store: WeakEntity<ContextStore>,
     cx: &mut App,
 ) -> Div {
-    let added = context_store.upgrade().map_or(false, |context_store| {
+    let added = context_store.upgrade().is_some_and(|context_store| {
         context_store
             .read(cx)
             .includes_user_rules(user_rules.prompt_id)
diff --git a/crates/agent_ui/src/context_picker/symbol_context_picker.rs b/crates/agent_ui/src/context_picker/symbol_context_picker.rs
index 05e77deece..b00d4e3693 100644
--- a/crates/agent_ui/src/context_picker/symbol_context_picker.rs
+++ b/crates/agent_ui/src/context_picker/symbol_context_picker.rs
@@ -289,12 +289,12 @@ pub(crate) fn search_symbols(
                         .iter()
                         .enumerate()
                         .map(|(id, symbol)| {
-                            StringMatchCandidate::new(id, &symbol.label.filter_text())
+                            StringMatchCandidate::new(id, symbol.label.filter_text())
                         })
                         .partition(|candidate| {
                             project
                                 .entry_for_path(&symbols[candidate.id].path, cx)
-                                .map_or(false, |e| !e.is_ignored)
+                                .is_some_and(|e| !e.is_ignored)
                         })
                 })
                 .log_err()
diff --git a/crates/agent_ui/src/context_picker/thread_context_picker.rs b/crates/agent_ui/src/context_picker/thread_context_picker.rs
index cb2e97a493..66654f3d8c 100644
--- a/crates/agent_ui/src/context_picker/thread_context_picker.rs
+++ b/crates/agent_ui/src/context_picker/thread_context_picker.rs
@@ -167,7 +167,7 @@ impl PickerDelegate for ThreadContextPickerDelegate {
                     return;
                 };
                 let open_thread_task =
-                    thread_store.update(cx, |this, cx| this.open_thread(&id, window, cx));
+                    thread_store.update(cx, |this, cx| this.open_thread(id, window, cx));
 
                 cx.spawn(async move |this, cx| {
                     let thread = open_thread_task.await?;
@@ -236,12 +236,10 @@ pub fn render_thread_context_entry(
     let is_added = match entry {
         ThreadContextEntry::Thread { id, .. } => context_store
             .upgrade()
-            .map_or(false, |ctx_store| ctx_store.read(cx).includes_thread(&id)),
-        ThreadContextEntry::Context { path, .. } => {
-            context_store.upgrade().map_or(false, |ctx_store| {
-                ctx_store.read(cx).includes_text_thread(path)
-            })
-        }
+            .is_some_and(|ctx_store| ctx_store.read(cx).includes_thread(id)),
+        ThreadContextEntry::Context { path, .. } => context_store
+            .upgrade()
+            .is_some_and(|ctx_store| ctx_store.read(cx).includes_text_thread(path)),
     };
 
     h_flex()
@@ -253,7 +251,7 @@ pub fn render_thread_context_entry(
                 .gap_1p5()
                 .max_w_72()
                 .child(
-                    Icon::new(IconName::MessageBubbles)
+                    Icon::new(IconName::Thread)
                         .size(IconSize::XSmall)
                         .color(Color::Muted),
                 )
@@ -338,7 +336,7 @@ pub(crate) fn search_threads(
             let candidates = threads
                 .iter()
                 .enumerate()
-                .map(|(id, (_, thread))| StringMatchCandidate::new(id, &thread.title()))
+                .map(|(id, (_, thread))| StringMatchCandidate::new(id, thread.title()))
                 .collect::<Vec<_>>();
             let matches = fuzzy::match_strings(
                 &candidates,
diff --git a/crates/agent_ui/src/context_strip.rs b/crates/agent_ui/src/context_strip.rs
index 080ffd2ea0..d25d7d3544 100644
--- a/crates/agent_ui/src/context_strip.rs
+++ b/crates/agent_ui/src/context_strip.rs
@@ -145,7 +145,7 @@ impl ContextStrip {
         }
 
         let file_name = active_buffer.file()?.file_name(cx);
-        let icon_path = FileIcons::get_icon(&Path::new(&file_name), cx);
+        let icon_path = FileIcons::get_icon(Path::new(&file_name), cx);
         Some(SuggestedContext::File {
             name: file_name.to_string_lossy().into_owned().into(),
             buffer: active_buffer_entity.downgrade(),
@@ -368,16 +368,16 @@ impl ContextStrip {
         _window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(suggested) = self.suggested_context(cx) {
-            if self.is_suggested_focused(&self.added_contexts(cx)) {
-                self.add_suggested_context(&suggested, cx);
-            }
+        if let Some(suggested) = self.suggested_context(cx)
+            && self.is_suggested_focused(&self.added_contexts(cx))
+        {
+            self.add_suggested_context(&suggested, cx);
         }
     }
 
     fn add_suggested_context(&mut self, suggested: &SuggestedContext, cx: &mut Context<Self>) {
         self.context_store.update(cx, |context_store, cx| {
-            context_store.add_suggested_context(&suggested, cx)
+            context_store.add_suggested_context(suggested, cx)
         });
         cx.notify();
     }
@@ -504,7 +504,7 @@ impl Render for ContextStrip {
                         )
                         .on_click({
                             Rc::new(cx.listener(move |this, event: &ClickEvent, window, cx| {
-                                if event.down.click_count > 1 {
+                                if event.click_count() > 1 {
                                     this.open_context(&context, window, cx);
                                 } else {
                                     this.focused_index = Some(i);
diff --git a/crates/agent_ui/src/inline_assistant.rs b/crates/agent_ui/src/inline_assistant.rs
index ffa654d12b..13f1234b4d 100644
--- a/crates/agent_ui/src/inline_assistant.rs
+++ b/crates/agent_ui/src/inline_assistant.rs
@@ -16,7 +16,7 @@ use agent::{
 };
 use agent_settings::AgentSettings;
 use anyhow::{Context as _, Result};
-use client::{DisableAiSettings, telemetry::Telemetry};
+use client::telemetry::Telemetry;
 use collections::{HashMap, HashSet, VecDeque, hash_map};
 use editor::SelectionEffects;
 use editor::{
@@ -39,7 +39,7 @@ use language_model::{
 };
 use multi_buffer::MultiBufferRow;
 use parking_lot::Mutex;
-use project::{CodeAction, LspAction, Project, ProjectTransaction};
+use project::{CodeAction, DisableAiSettings, LspAction, Project, ProjectTransaction};
 use prompt_store::{PromptBuilder, PromptStore};
 use settings::{Settings, SettingsStore};
 use telemetry_events::{AssistantEventData, AssistantKind, AssistantPhase};
@@ -72,7 +72,7 @@ pub fn init(
         let Some(window) = window else {
             return;
         };
-        let workspace = cx.entity().clone();
+        let workspace = cx.entity();
         InlineAssistant::update_global(cx, |inline_assistant, cx| {
             inline_assistant.register_workspace(&workspace, window, cx)
         });
@@ -162,7 +162,7 @@ impl InlineAssistant {
                     let window = windows[0];
                     let _ = window.update(cx, |_, window, cx| {
                         editor.update(cx, |editor, cx| {
-                            if editor.has_active_inline_completion() {
+                            if editor.has_active_edit_prediction() {
                                 editor.cancel(&Default::default(), window, cx);
                             }
                         });
@@ -182,13 +182,13 @@ impl InlineAssistant {
         match event {
             workspace::Event::UserSavedItem { item, .. } => {
                 // When the user manually saves an editor, automatically accepts all finished transformations.
-                if let Some(editor) = item.upgrade().and_then(|item| item.act_as::<Editor>(cx)) {
-                    if let Some(editor_assists) = self.assists_by_editor.get(&editor.downgrade()) {
-                        for assist_id in editor_assists.assist_ids.clone() {
-                            let assist = &self.assists[&assist_id];
-                            if let CodegenStatus::Done = assist.codegen.read(cx).status(cx) {
-                                self.finish_assist(assist_id, false, window, cx)
-                            }
+                if let Some(editor) = item.upgrade().and_then(|item| item.act_as::<Editor>(cx))
+                    && let Some(editor_assists) = self.assists_by_editor.get(&editor.downgrade())
+                {
+                    for assist_id in editor_assists.assist_ids.clone() {
+                        let assist = &self.assists[&assist_id];
+                        if let CodegenStatus::Done = assist.codegen.read(cx).status(cx) {
+                            self.finish_assist(assist_id, false, window, cx)
                         }
                     }
                 }
@@ -231,8 +231,8 @@ impl InlineAssistant {
                     );
 
                     if DisableAiSettings::get_global(cx).disable_ai {
-                        // Cancel any active completions
-                        if editor.has_active_inline_completion() {
+                        // Cancel any active edit predictions
+                        if editor.has_active_edit_prediction() {
                             editor.cancel(&Default::default(), window, cx);
                         }
                     }
@@ -342,13 +342,11 @@ impl InlineAssistant {
                         )
                         .await
                         .ok();
-                    if let Some(answer) = answer {
-                        if answer == 0 {
-                            cx.update(|window, cx| {
-                                window.dispatch_action(Box::new(OpenSettings), cx)
-                            })
+                    if let Some(answer) = answer
+                        && answer == 0
+                    {
+                        cx.update(|window, cx| window.dispatch_action(Box::new(OpenSettings), cx))
                             .ok();
-                        }
                     }
                     anyhow::Ok(())
                 })
@@ -435,11 +433,11 @@ impl InlineAssistant {
                 }
             }
 
-            if let Some(prev_selection) = selections.last_mut() {
-                if selection.start <= prev_selection.end {
-                    prev_selection.end = selection.end;
-                    continue;
-                }
+            if let Some(prev_selection) = selections.last_mut()
+                && selection.start <= prev_selection.end
+            {
+                prev_selection.end = selection.end;
+                continue;
             }
 
             let latest_selection = newest_selection.get_or_insert_with(|| selection.clone());
@@ -526,9 +524,9 @@ impl InlineAssistant {
 
             if assist_to_focus.is_none() {
                 let focus_assist = if newest_selection.reversed {
-                    range.start.to_point(&snapshot) == newest_selection.start
+                    range.start.to_point(snapshot) == newest_selection.start
                 } else {
-                    range.end.to_point(&snapshot) == newest_selection.end
+                    range.end.to_point(snapshot) == newest_selection.end
                 };
                 if focus_assist {
                     assist_to_focus = Some(assist_id);
@@ -550,7 +548,7 @@ impl InlineAssistant {
         let editor_assists = self
             .assists_by_editor
             .entry(editor.downgrade())
-            .or_insert_with(|| EditorInlineAssists::new(&editor, window, cx));
+            .or_insert_with(|| EditorInlineAssists::new(editor, window, cx));
         let mut assist_group = InlineAssistGroup::new();
         for (assist_id, range, prompt_editor, prompt_block_id, end_block_id) in assists {
             let codegen = prompt_editor.read(cx).codegen().clone();
@@ -649,7 +647,7 @@ impl InlineAssistant {
         let editor_assists = self
             .assists_by_editor
             .entry(editor.downgrade())
-            .or_insert_with(|| EditorInlineAssists::new(&editor, window, cx));
+            .or_insert_with(|| EditorInlineAssists::new(editor, window, cx));
 
         let mut assist_group = InlineAssistGroup::new();
         self.assists.insert(
@@ -985,14 +983,13 @@ impl InlineAssistant {
             EditorEvent::SelectionsChanged { .. } => {
                 for assist_id in editor_assists.assist_ids.clone() {
                     let assist = &self.assists[&assist_id];
-                    if let Some(decorations) = assist.decorations.as_ref() {
-                        if decorations
+                    if let Some(decorations) = assist.decorations.as_ref()
+                        && decorations
                             .prompt_editor
                             .focus_handle(cx)
                             .is_focused(window)
-                        {
-                            return;
-                        }
+                    {
+                        return;
                     }
                 }
 
@@ -1123,7 +1120,7 @@ impl InlineAssistant {
             if editor_assists
                 .scroll_lock
                 .as_ref()
-                .map_or(false, |lock| lock.assist_id == assist_id)
+                .is_some_and(|lock| lock.assist_id == assist_id)
             {
                 editor_assists.scroll_lock = None;
             }
@@ -1503,20 +1500,18 @@ impl InlineAssistant {
         window: &mut Window,
         cx: &mut App,
     ) -> Option<InlineAssistTarget> {
-        if let Some(terminal_panel) = workspace.panel::<TerminalPanel>(cx) {
-            if terminal_panel
+        if let Some(terminal_panel) = workspace.panel::<TerminalPanel>(cx)
+            && terminal_panel
                 .read(cx)
                 .focus_handle(cx)
                 .contains_focused(window, cx)
-            {
-                if let Some(terminal_view) = terminal_panel.read(cx).pane().and_then(|pane| {
-                    pane.read(cx)
-                        .active_item()
-                        .and_then(|t| t.downcast::<TerminalView>())
-                }) {
-                    return Some(InlineAssistTarget::Terminal(terminal_view));
-                }
-            }
+            && let Some(terminal_view) = terminal_panel.read(cx).pane().and_then(|pane| {
+                pane.read(cx)
+                    .active_item()
+                    .and_then(|t| t.downcast::<TerminalView>())
+            })
+        {
+            return Some(InlineAssistTarget::Terminal(terminal_view));
         }
 
         let context_editor = agent_panel
@@ -1537,13 +1532,11 @@ impl InlineAssistant {
             .and_then(|item| item.act_as::<Editor>(cx))
         {
             Some(InlineAssistTarget::Editor(workspace_editor))
-        } else if let Some(terminal_view) = workspace
-            .active_item(cx)
-            .and_then(|item| item.act_as::<TerminalView>(cx))
-        {
-            Some(InlineAssistTarget::Terminal(terminal_view))
         } else {
-            None
+            workspace
+                .active_item(cx)
+                .and_then(|item| item.act_as::<TerminalView>(cx))
+                .map(InlineAssistTarget::Terminal)
         }
     }
 }
@@ -1698,7 +1691,7 @@ impl InlineAssist {
             }),
             range,
             codegen: codegen.clone(),
-            workspace: workspace.clone(),
+            workspace,
             _subscriptions: vec![
                 window.on_focus_in(&prompt_editor_focus_handle, cx, move |_, cx| {
                     InlineAssistant::update_global(cx, |this, cx| {
@@ -1741,22 +1734,20 @@ impl InlineAssist {
                                 return;
                             };
 
-                            if let CodegenStatus::Error(error) = codegen.read(cx).status(cx) {
-                                if assist.decorations.is_none() {
-                                    if let Some(workspace) = assist.workspace.upgrade() {
-                                        let error = format!("Inline assistant error: {}", error);
-                                        workspace.update(cx, |workspace, cx| {
-                                            struct InlineAssistantError;
+                            if let CodegenStatus::Error(error) = codegen.read(cx).status(cx)
+                                && assist.decorations.is_none()
+                                && let Some(workspace) = assist.workspace.upgrade()
+                            {
+                                let error = format!("Inline assistant error: {}", error);
+                                workspace.update(cx, |workspace, cx| {
+                                    struct InlineAssistantError;
 
-                                            let id =
-                                                NotificationId::composite::<InlineAssistantError>(
-                                                    assist_id.0,
-                                                );
+                                    let id = NotificationId::composite::<InlineAssistantError>(
+                                        assist_id.0,
+                                    );
 
-                                            workspace.show_toast(Toast::new(id, error), cx);
-                                        })
-                                    }
-                                }
+                                    workspace.show_toast(Toast::new(id, error), cx);
+                                })
                             }
 
                             if assist.decorations.is_none() {
@@ -1821,18 +1812,18 @@ impl CodeActionProvider for AssistantCodeActionProvider {
             has_diagnostics = true;
         }
         if has_diagnostics {
-            if let Some(symbols_containing_start) = snapshot.symbols_containing(range.start, None) {
-                if let Some(symbol) = symbols_containing_start.last() {
-                    range.start = cmp::min(range.start, symbol.range.start.to_point(&snapshot));
-                    range.end = cmp::max(range.end, symbol.range.end.to_point(&snapshot));
-                }
+            if let Some(symbols_containing_start) = snapshot.symbols_containing(range.start, None)
+                && let Some(symbol) = symbols_containing_start.last()
+            {
+                range.start = cmp::min(range.start, symbol.range.start.to_point(&snapshot));
+                range.end = cmp::max(range.end, symbol.range.end.to_point(&snapshot));
             }
 
-            if let Some(symbols_containing_end) = snapshot.symbols_containing(range.end, None) {
-                if let Some(symbol) = symbols_containing_end.last() {
-                    range.start = cmp::min(range.start, symbol.range.start.to_point(&snapshot));
-                    range.end = cmp::max(range.end, symbol.range.end.to_point(&snapshot));
-                }
+            if let Some(symbols_containing_end) = snapshot.symbols_containing(range.end, None)
+                && let Some(symbol) = symbols_containing_end.last()
+            {
+                range.start = cmp::min(range.start, symbol.range.start.to_point(&snapshot));
+                range.end = cmp::max(range.end, symbol.range.end.to_point(&snapshot));
             }
 
             Task::ready(Ok(vec![CodeAction {
diff --git a/crates/agent_ui/src/inline_prompt_editor.rs b/crates/agent_ui/src/inline_prompt_editor.rs
index ade7a5e13d..a626122769 100644
--- a/crates/agent_ui/src/inline_prompt_editor.rs
+++ b/crates/agent_ui/src/inline_prompt_editor.rs
@@ -75,7 +75,7 @@ impl<T: 'static> Render for PromptEditor<T> {
                 let codegen = codegen.read(cx);
 
                 if codegen.alternative_count(cx) > 1 {
-                    buttons.push(self.render_cycle_controls(&codegen, cx));
+                    buttons.push(self.render_cycle_controls(codegen, cx));
                 }
 
                 let editor_margins = editor_margins.lock();
@@ -345,7 +345,7 @@ impl<T: 'static> PromptEditor<T> {
                 let prompt = self.editor.read(cx).text(cx);
                 if self
                     .prompt_history_ix
-                    .map_or(true, |ix| self.prompt_history[ix] != prompt)
+                    .is_none_or(|ix| self.prompt_history[ix] != prompt)
                 {
                     self.prompt_history_ix.take();
                     self.pending_prompt = prompt;
@@ -541,7 +541,7 @@ impl<T: 'static> PromptEditor<T> {
                     match &self.mode {
                         PromptEditorMode::Terminal { .. } => vec![
                             accept,
-                            IconButton::new("confirm", IconName::Play)
+                            IconButton::new("confirm", IconName::PlayFilled)
                                 .icon_color(Color::Info)
                                 .shape(IconButtonShape::Square)
                                 .tooltip(|window, cx| {
@@ -1229,27 +1229,27 @@ pub enum GenerationMode {
 impl GenerationMode {
     fn start_label(self) -> &'static str {
         match self {
-            GenerationMode::Generate { .. } => "Generate",
+            GenerationMode::Generate => "Generate",
             GenerationMode::Transform => "Transform",
         }
     }
     fn tooltip_interrupt(self) -> &'static str {
         match self {
-            GenerationMode::Generate { .. } => "Interrupt Generation",
+            GenerationMode::Generate => "Interrupt Generation",
             GenerationMode::Transform => "Interrupt Transform",
         }
     }
 
     fn tooltip_restart(self) -> &'static str {
         match self {
-            GenerationMode::Generate { .. } => "Restart Generation",
+            GenerationMode::Generate => "Restart Generation",
             GenerationMode::Transform => "Restart Transform",
         }
     }
 
     fn tooltip_accept(self) -> &'static str {
         match self {
-            GenerationMode::Generate { .. } => "Accept Generation",
+            GenerationMode::Generate => "Accept Generation",
             GenerationMode::Transform => "Accept Transform",
         }
     }
diff --git a/crates/agent_ui/src/language_model_selector.rs b/crates/agent_ui/src/language_model_selector.rs
index 7121624c87..aceca79dbf 100644
--- a/crates/agent_ui/src/language_model_selector.rs
+++ b/crates/agent_ui/src/language_model_selector.rs
@@ -1,16 +1,15 @@
 use std::{cmp::Reverse, sync::Arc};
 
+use cloud_llm_client::Plan;
 use collections::{HashSet, IndexMap};
 use feature_flags::ZedProFeatureFlag;
 use fuzzy::{StringMatch, StringMatchCandidate, match_strings};
 use gpui::{Action, AnyElement, App, BackgroundExecutor, DismissEvent, Subscription, Task};
 use language_model::{
-    AuthenticateError, ConfiguredModel, LanguageModel, LanguageModelProviderId,
-    LanguageModelRegistry,
+    ConfiguredModel, LanguageModel, LanguageModelProviderId, LanguageModelRegistry,
 };
 use ordered_float::OrderedFloat;
 use picker::{Picker, PickerDelegate};
-use proto::Plan;
 use ui::{ListItem, ListItemSpacing, prelude::*};
 
 const TRY_ZED_PRO_URL: &str = "https://zed.dev/pro";
@@ -77,7 +76,6 @@ pub struct LanguageModelPickerDelegate {
     all_models: Arc<GroupedModels>,
     filtered_entries: Vec<LanguageModelPickerEntry>,
     selected_index: usize,
-    _authenticate_all_providers_task: Task<()>,
     _subscriptions: Vec<Subscription>,
 }
 
@@ -93,18 +91,17 @@ impl LanguageModelPickerDelegate {
         let entries = models.entries();
 
         Self {
-            on_model_changed: on_model_changed.clone(),
+            on_model_changed,
             all_models: Arc::new(models),
             selected_index: Self::get_active_model_index(&entries, get_active_model(cx)),
             filtered_entries: entries,
             get_active_model: Arc::new(get_active_model),
-            _authenticate_all_providers_task: Self::authenticate_all_providers(cx),
             _subscriptions: vec![cx.subscribe_in(
                 &LanguageModelRegistry::global(cx),
                 window,
                 |picker, _, event, window, cx| {
                     match event {
-                        language_model::Event::ProviderStateChanged
+                        language_model::Event::ProviderStateChanged(_)
                         | language_model::Event::AddedProvider(_)
                         | language_model::Event::RemovedProvider(_) => {
                             let query = picker.query(cx);
@@ -142,56 +139,6 @@ impl LanguageModelPickerDelegate {
             .unwrap_or(0)
     }
 
-    /// Authenticates all providers in the [`LanguageModelRegistry`].
-    ///
-    /// We do this so that we can populate the language selector with all of the
-    /// models from the configured providers.
-    fn authenticate_all_providers(cx: &mut App) -> Task<()> {
-        let authenticate_all_providers = LanguageModelRegistry::global(cx)
-            .read(cx)
-            .providers()
-            .iter()
-            .map(|provider| (provider.id(), provider.name(), provider.authenticate(cx)))
-            .collect::<Vec<_>>();
-
-        cx.spawn(async move |_cx| {
-            for (provider_id, provider_name, authenticate_task) in authenticate_all_providers {
-                if let Err(err) = authenticate_task.await {
-                    if matches!(err, AuthenticateError::CredentialsNotFound) {
-                        // Since we're authenticating these providers in the
-                        // background for the purposes of populating the
-                        // language selector, we don't care about providers
-                        // where the credentials are not found.
-                    } else {
-                        // Some providers have noisy failure states that we
-                        // don't want to spam the logs with every time the
-                        // language model selector is initialized.
-                        //
-                        // Ideally these should have more clear failure modes
-                        // that we know are safe to ignore here, like what we do
-                        // with `CredentialsNotFound` above.
-                        match provider_id.0.as_ref() {
-                            "lmstudio" | "ollama" => {
-                                // LM Studio and Ollama both make fetch requests to the local APIs to determine if they are "authenticated".
-                                //
-                                // These fail noisily, so we don't log them.
-                            }
-                            "copilot_chat" => {
-                                // Copilot Chat returns an error if Copilot is not enabled, so we don't log those errors.
-                            }
-                            _ => {
-                                log::error!(
-                                    "Failed to authenticate provider: {}: {err}",
-                                    provider_name.0
-                                );
-                            }
-                        }
-                    }
-                }
-            }
-        })
-    }
-
     pub fn active_model(&self, cx: &App) -> Option<ConfiguredModel> {
         (self.get_active_model)(cx)
     }
@@ -296,7 +243,7 @@ impl ModelMatcher {
     pub fn fuzzy_search(&self, query: &str) -> Vec<ModelInfo> {
         let mut matches = self.bg_executor.block(match_strings(
             &self.candidates,
-            &query,
+            query,
             false,
             true,
             100,
@@ -514,7 +461,7 @@ impl PickerDelegate for LanguageModelPickerDelegate {
                                 .pl_0p5()
                                 .gap_1p5()
                                 .w(px(240.))
-                                .child(Label::new(model_info.model.name().0.clone()).truncate()),
+                                .child(Label::new(model_info.model.name().0).truncate()),
                         )
                         .end_slot(div().pr_3().when(is_selected, |this| {
                             this.child(
@@ -536,7 +483,7 @@ impl PickerDelegate for LanguageModelPickerDelegate {
     ) -> Option<gpui::AnyElement> {
         use feature_flags::FeatureFlagAppExt;
 
-        let plan = proto::Plan::ZedPro;
+        let plan = Plan::ZedPro;
 
         Some(
             h_flex()
@@ -557,7 +504,7 @@ impl PickerDelegate for LanguageModelPickerDelegate {
                                 window
                                     .dispatch_action(Box::new(zed_actions::OpenAccountSettings), cx)
                             }),
-                        Plan::Free | Plan::ZedProTrial => Button::new(
+                        Plan::ZedFree | Plan::ZedProTrial => Button::new(
                             "try-pro",
                             if plan == Plan::ZedProTrial {
                                 "Upgrade to Pro"
diff --git a/crates/agent_ui/src/message_editor.rs b/crates/agent_ui/src/message_editor.rs
index 082d1dfb51..45e7529ec2 100644
--- a/crates/agent_ui/src/message_editor.rs
+++ b/crates/agent_ui/src/message_editor.rs
@@ -6,7 +6,7 @@ use crate::agent_diff::AgentDiffThread;
 use crate::agent_model_selector::AgentModelSelector;
 use crate::tool_compatibility::{IncompatibleToolsState, IncompatibleToolsTooltip};
 use crate::ui::{
-    MaxModeTooltip,
+    BurnModeTooltip,
     preview::{AgentPreview, UsageCallout},
 };
 use agent::history_store::HistoryStore;
@@ -14,10 +14,9 @@ use agent::{
     context::{AgentContextKey, ContextLoadResult, load_context},
     context_store::ContextStoreEvent,
 };
-use agent_settings::{AgentSettings, CompletionMode};
+use agent_settings::{AgentProfileId, AgentSettings, CompletionMode};
 use ai_onboarding::ApiKeysWithProviders;
 use buffer_diff::BufferDiff;
-use client::UserStore;
 use cloud_llm_client::CompletionIntent;
 use collections::{HashMap, HashSet};
 use editor::actions::{MoveUp, Paste};
@@ -43,7 +42,6 @@ use language_model::{
 use multi_buffer;
 use project::Project;
 use prompt_store::PromptStore;
-use proto::Plan;
 use settings::Settings;
 use std::time::Duration;
 use theme::ThemeSettings;
@@ -57,7 +55,7 @@ use zed_actions::agent::ToggleModelSelector;
 
 use crate::context_picker::{ContextPicker, ContextPickerCompletionProvider, crease_for_mention};
 use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
-use crate::profile_selector::ProfileSelector;
+use crate::profile_selector::{ProfileProvider, ProfileSelector};
 use crate::{
     ActiveThread, AgentDiffPane, ChatWithFollow, ExpandMessageEditor, Follow, KeepAll,
     ModelUsageContext, NewThread, OpenAgentDiff, RejectAll, RemoveAllContext, ToggleBurnMode,
@@ -79,7 +77,6 @@ pub struct MessageEditor {
     editor: Entity<Editor>,
     workspace: WeakEntity<Workspace>,
     project: Entity<Project>,
-    user_store: Entity<UserStore>,
     context_store: Entity<ContextStore>,
     prompt_store: Option<Entity<PromptStore>>,
     history_store: Option<WeakEntity<HistoryStore>>,
@@ -120,7 +117,7 @@ pub(crate) fn create_editor(
         let mut editor = Editor::new(
             editor::EditorMode::AutoHeight {
                 min_lines,
-                max_lines: max_lines,
+                max_lines,
             },
             buffer,
             None,
@@ -155,11 +152,28 @@ pub(crate) fn create_editor(
     editor
 }
 
+impl ProfileProvider for Entity<Thread> {
+    fn profiles_supported(&self, cx: &App) -> bool {
+        self.read(cx)
+            .configured_model()
+            .is_some_and(|model| model.model.supports_tools())
+    }
+
+    fn profile_id(&self, cx: &App) -> AgentProfileId {
+        self.read(cx).profile().id().clone()
+    }
+
+    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
+        self.update(cx, |this, cx| {
+            this.set_profile(profile_id, cx);
+        });
+    }
+}
+
 impl MessageEditor {
     pub fn new(
         fs: Arc<dyn Fs>,
         workspace: WeakEntity<Workspace>,
-        user_store: Entity<UserStore>,
         context_store: Entity<ContextStore>,
         prompt_store: Option<Entity<PromptStore>>,
         thread_store: WeakEntity<ThreadStore>,
@@ -201,9 +215,10 @@ impl MessageEditor {
 
         let subscriptions = vec![
             cx.subscribe_in(&context_strip, window, Self::handle_context_strip_event),
-            cx.subscribe(&editor, |this, _, event, cx| match event {
-                EditorEvent::BufferEdited => this.handle_message_changed(cx),
-                _ => {}
+            cx.subscribe(&editor, |this, _, event: &EditorEvent, cx| {
+                if event == &EditorEvent::BufferEdited {
+                    this.handle_message_changed(cx)
+                }
             }),
             cx.observe(&context_store, |this, _, cx| {
                 // When context changes, reload it for token counting.
@@ -225,15 +240,15 @@ impl MessageEditor {
             )
         });
 
-        let profile_selector =
-            cx.new(|cx| ProfileSelector::new(fs, thread.clone(), editor.focus_handle(cx), cx));
+        let profile_selector = cx.new(|cx| {
+            ProfileSelector::new(fs, Arc::new(thread.clone()), editor.focus_handle(cx), cx)
+        });
 
         Self {
             editor: editor.clone(),
             project: thread.read(cx).project().clone(),
-            user_store,
             thread,
-            incompatible_tools_state: incompatible_tools.clone(),
+            incompatible_tools_state: incompatible_tools,
             workspace,
             context_store,
             prompt_store,
@@ -363,18 +378,13 @@ impl MessageEditor {
     }
 
     fn send_to_model(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        let Some(ConfiguredModel { model, provider }) = self
+        let Some(ConfiguredModel { model, .. }) = self
             .thread
             .update(cx, |thread, cx| thread.get_or_init_configured_model(cx))
         else {
             return;
         };
 
-        if provider.must_accept_terms(cx) {
-            cx.notify();
-            return;
-        }
-
         let (user_message, user_message_creases) = self.editor.update(cx, |editor, cx| {
             let creases = extract_message_creases(editor, cx);
             let text = editor.text(cx);
@@ -427,11 +437,11 @@ impl MessageEditor {
             thread.cancel_editing(cx);
         });
 
-        let cancelled = self.thread.update(cx, |thread, cx| {
+        let canceled = self.thread.update(cx, |thread, cx| {
             thread.cancel_last_completion(Some(window.window_handle()), cx)
         });
 
-        if cancelled {
+        if canceled {
             self.set_editor_is_expanded(false, cx);
             self.send_to_model(window, cx);
         }
@@ -610,7 +620,7 @@ impl MessageEditor {
                     this.toggle_burn_mode(&ToggleBurnMode, window, cx);
                 }))
                 .tooltip(move |_window, cx| {
-                    cx.new(|_| MaxModeTooltip::new().selected(burn_mode_enabled))
+                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
                         .into()
                 })
                 .into_any_element(),
@@ -676,11 +686,7 @@ impl MessageEditor {
             .as_ref()
             .map(|model| {
                 self.incompatible_tools_state.update(cx, |state, cx| {
-                    state
-                        .incompatible_tools(&model.model, cx)
-                        .iter()
-                        .cloned()
-                        .collect::<Vec<_>>()
+                    state.incompatible_tools(&model.model, cx).to_vec()
                 })
             })
             .unwrap_or_default();
@@ -730,7 +736,7 @@ impl MessageEditor {
                     .when(focus_handle.is_focused(window), |this| {
                         this.child(
                             IconButton::new("toggle-height", expand_icon)
-                                .icon_size(IconSize::XSmall)
+                                .icon_size(IconSize::Small)
                                 .icon_color(Color::Muted)
                                 .tooltip({
                                     let focus_handle = focus_handle.clone();
@@ -828,7 +834,6 @@ impl MessageEditor {
                                     .child(self.profile_selector.clone())
                                     .child(self.model_selector.clone())
                                     .map({
-                                        let focus_handle = focus_handle.clone();
                                         move |parent| {
                                             if is_generating {
                                                 parent
@@ -836,7 +841,7 @@ impl MessageEditor {
                                                         parent.child(
                                                             IconButton::new(
                                                                 "stop-generation",
-                                                                IconName::StopFilled,
+                                                                IconName::Stop,
                                                             )
                                                             .icon_color(Color::Error)
                                                             .style(ButtonStyle::Tinted(
@@ -1122,7 +1127,7 @@ impl MessageEditor {
             )
             .when(is_edit_changes_expanded, |parent| {
                 parent.child(
-                    v_flex().children(changed_buffers.into_iter().enumerate().flat_map(
+                    v_flex().children(changed_buffers.iter().enumerate().flat_map(
                         |(index, (buffer, _diff))| {
                             let file = buffer.read(cx).file()?;
                             let path = file.path();
@@ -1152,7 +1157,7 @@ impl MessageEditor {
                                     .buffer_font(cx)
                             });
 
-                            let file_icon = FileIcons::get_icon(&path, cx)
+                            let file_icon = FileIcons::get_icon(path, cx)
                                 .map(Icon::from_path)
                                 .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
                                 .unwrap_or_else(|| {
@@ -1279,7 +1284,7 @@ impl MessageEditor {
         self.thread
             .read(cx)
             .configured_model()
-            .map_or(false, |model| model.provider.id() == ZED_CLOUD_PROVIDER_ID)
+            .is_some_and(|model| model.provider.id() == ZED_CLOUD_PROVIDER_ID)
     }
 
     fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
@@ -1287,24 +1292,12 @@ impl MessageEditor {
             return None;
         }
 
-        let user_store = self.user_store.read(cx);
-
-        let ubb_enable = user_store
-            .usage_based_billing_enabled()
-            .map_or(false, |enabled| enabled);
-
-        if ubb_enable {
+        let user_store = self.project.read(cx).user_store().read(cx);
+        if user_store.is_usage_based_billing_enabled() {
             return None;
         }
 
-        let plan = user_store
-            .current_plan()
-            .map(|plan| match plan {
-                Plan::Free => cloud_llm_client::Plan::ZedFree,
-                Plan::ZedPro => cloud_llm_client::Plan::ZedPro,
-                Plan::ZedProTrial => cloud_llm_client::Plan::ZedProTrial,
-            })
-            .unwrap_or(cloud_llm_client::Plan::ZedFree);
+        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
 
         let usage = user_store.model_request_usage()?;
 
@@ -1321,14 +1314,10 @@ impl MessageEditor {
         token_usage_ratio: TokenUsageRatio,
         cx: &mut Context<Self>,
     ) -> Option<Div> {
-        let icon = if token_usage_ratio == TokenUsageRatio::Exceeded {
-            Icon::new(IconName::X)
-                .color(Color::Error)
-                .size(IconSize::XSmall)
+        let (icon, severity) = if token_usage_ratio == TokenUsageRatio::Exceeded {
+            (IconName::Close, Severity::Error)
         } else {
-            Icon::new(IconName::Warning)
-                .color(Color::Warning)
-                .size(IconSize::XSmall)
+            (IconName::Warning, Severity::Warning)
         };
 
         let title = if token_usage_ratio == TokenUsageRatio::Exceeded {
@@ -1343,30 +1332,34 @@ impl MessageEditor {
             "To continue, start a new thread from a summary."
         };
 
-        let mut callout = Callout::new()
+        let callout = Callout::new()
             .line_height(line_height)
+            .severity(severity)
             .icon(icon)
             .title(title)
             .description(description)
-            .primary_action(
-                Button::new("start-new-thread", "Start New Thread")
-                    .label_size(LabelSize::Small)
-                    .on_click(cx.listener(|this, _, window, cx| {
-                        let from_thread_id = Some(this.thread.read(cx).id().clone());
-                        window.dispatch_action(Box::new(NewThread { from_thread_id }), cx);
-                    })),
+            .actions_slot(
+                h_flex()
+                    .gap_0p5()
+                    .when(self.is_using_zed_provider(cx), |this| {
+                        this.child(
+                            IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
+                                .icon_size(IconSize::XSmall)
+                                .on_click(cx.listener(|this, _event, window, cx| {
+                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
+                                })),
+                        )
+                    })
+                    .child(
+                        Button::new("start-new-thread", "Start New Thread")
+                            .label_size(LabelSize::Small)
+                            .on_click(cx.listener(|this, _, window, cx| {
+                                let from_thread_id = Some(this.thread.read(cx).id().clone());
+                                window.dispatch_action(Box::new(NewThread { from_thread_id }), cx);
+                            })),
+                    ),
             );
 
-        if self.is_using_zed_provider(cx) {
-            callout = callout.secondary_action(
-                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
-                    .icon_size(IconSize::XSmall)
-                    .on_click(cx.listener(|this, _event, window, cx| {
-                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
-                    })),
-            );
-        }
-
         Some(
             div()
                 .border_t_1()
@@ -1402,7 +1395,7 @@ impl MessageEditor {
             })
             .ok();
         });
-        // Replace existing load task, if any, causing it to be cancelled.
+        // Replace existing load task, if any, causing it to be canceled.
         let load_task = load_task.shared();
         self.load_context_task = Some(load_task.clone());
         cx.spawn(async move |this, cx| {
@@ -1444,7 +1437,7 @@ impl MessageEditor {
                     let message_text = editor.read(cx).text(cx);
 
                     if message_text.is_empty()
-                        && loaded_context.map_or(true, |loaded_context| loaded_context.is_empty())
+                        && loaded_context.is_none_or(|loaded_context| loaded_context.is_empty())
                     {
                         return None;
                     }
@@ -1557,9 +1550,8 @@ impl ContextCreasesAddon {
         cx: &mut Context<Editor>,
     ) {
         self.creases.entry(key).or_default().extend(creases);
-        self._subscription = Some(cx.subscribe(
-            &context_store,
-            |editor, _, event, cx| match event {
+        self._subscription = Some(
+            cx.subscribe(context_store, |editor, _, event, cx| match event {
                 ContextStoreEvent::ContextRemoved(key) => {
                     let Some(this) = editor.addon_mut::<Self>() else {
                         return;
@@ -1579,8 +1571,8 @@ impl ContextCreasesAddon {
                     editor.edit(ranges.into_iter().zip(replacement_texts), cx);
                     cx.notify();
                 }
-            },
-        ))
+            }),
+        )
     }
 
     pub fn into_inner(self) -> HashMap<AgentContextKey, Vec<(CreaseId, SharedString)>> {
@@ -1608,7 +1600,8 @@ pub fn extract_message_creases(
         .collect::<HashMap<_, _>>();
     // Filter the addon's list of creases based on what the editor reports,
     // since the addon might have removed creases in it.
-    let creases = editor.display_map.update(cx, |display_map, cx| {
+
+    editor.display_map.update(cx, |display_map, cx| {
         display_map
             .snapshot(cx)
             .crease_snapshot
@@ -1632,8 +1625,7 @@ pub fn extract_message_creases(
                 }
             })
             .collect()
-    });
-    creases
+    })
 }
 
 impl EventEmitter<MessageEditorEvent> for MessageEditor {}
@@ -1685,7 +1677,7 @@ impl Render for MessageEditor {
         let has_history = self
             .history_store
             .as_ref()
-            .and_then(|hs| hs.update(cx, |hs, cx| hs.entries(cx).len() > 0).ok())
+            .and_then(|hs| hs.update(cx, |hs, cx| !hs.entries(cx).is_empty()).ok())
             .unwrap_or(false)
             || self
                 .thread
@@ -1698,7 +1690,7 @@ impl Render for MessageEditor {
                 !has_history && is_signed_out && has_configured_providers,
                 |this| this.child(cx.new(ApiKeysWithProviders::new)),
             )
-            .when(changed_buffers.len() > 0, |parent| {
+            .when(!changed_buffers.is_empty(), |parent| {
                 parent.child(self.render_edits_bar(&changed_buffers, window, cx))
             })
             .child(self.render_editor(window, cx))
@@ -1769,7 +1761,6 @@ impl AgentPreview for MessageEditor {
     ) -> Option<AnyElement> {
         if let Some(workspace) = workspace.upgrade() {
             let fs = workspace.read(cx).app_state().fs.clone();
-            let user_store = workspace.read(cx).app_state().user_store.clone();
             let project = workspace.read(cx).project().clone();
             let weak_project = project.downgrade();
             let context_store = cx.new(|_cx| ContextStore::new(weak_project, None));
@@ -1782,7 +1773,6 @@ impl AgentPreview for MessageEditor {
                 MessageEditor::new(
                     fs,
                     workspace.downgrade(),
-                    user_store,
                     context_store,
                     None,
                     thread_store.downgrade(),
@@ -1805,7 +1795,7 @@ impl AgentPreview for MessageEditor {
                             .bg(cx.theme().colors().panel_background)
                             .border_1()
                             .border_color(cx.theme().colors().border)
-                            .child(default_message_editor.clone())
+                            .child(default_message_editor)
                             .into_any_element(),
                     )])
                     .into_any_element(),
diff --git a/crates/agent_ui/src/profile_selector.rs b/crates/agent_ui/src/profile_selector.rs
index ddcb44d46b..f0f53b96b2 100644
--- a/crates/agent_ui/src/profile_selector.rs
+++ b/crates/agent_ui/src/profile_selector.rs
@@ -1,12 +1,8 @@
 use crate::{ManageProfiles, ToggleProfileSelector};
-use agent::{
-    Thread,
-    agent_profile::{AgentProfile, AvailableProfiles},
-};
+use agent::agent_profile::{AgentProfile, AvailableProfiles};
 use agent_settings::{AgentDockPosition, AgentProfileId, AgentSettings, builtin_profiles};
 use fs::Fs;
-use gpui::{Action, Empty, Entity, FocusHandle, Subscription, prelude::*};
-use language_model::LanguageModelRegistry;
+use gpui::{Action, Entity, FocusHandle, Subscription, prelude::*};
 use settings::{Settings as _, SettingsStore, update_settings_file};
 use std::sync::Arc;
 use ui::{
@@ -14,10 +10,22 @@ use ui::{
     prelude::*,
 };
 
+/// Trait for types that can provide and manage agent profiles
+pub trait ProfileProvider {
+    /// Get the current profile ID
+    fn profile_id(&self, cx: &App) -> AgentProfileId;
+
+    /// Set the profile ID
+    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App);
+
+    /// Check if profiles are supported in the current context (e.g. if the model that is selected has tool support)
+    fn profiles_supported(&self, cx: &App) -> bool;
+}
+
 pub struct ProfileSelector {
     profiles: AvailableProfiles,
     fs: Arc<dyn Fs>,
-    thread: Entity<Thread>,
+    provider: Arc<dyn ProfileProvider>,
     menu_handle: PopoverMenuHandle<ContextMenu>,
     focus_handle: FocusHandle,
     _subscriptions: Vec<Subscription>,
@@ -26,7 +34,7 @@ pub struct ProfileSelector {
 impl ProfileSelector {
     pub fn new(
         fs: Arc<dyn Fs>,
-        thread: Entity<Thread>,
+        provider: Arc<dyn ProfileProvider>,
         focus_handle: FocusHandle,
         cx: &mut Context<Self>,
     ) -> Self {
@@ -37,7 +45,7 @@ impl ProfileSelector {
         Self {
             profiles: AgentProfile::available_profiles(cx),
             fs,
-            thread,
+            provider,
             menu_handle: PopoverMenuHandle::default(),
             focus_handle,
             _subscriptions: vec![settings_subscription],
@@ -113,10 +121,10 @@ impl ProfileSelector {
             builtin_profiles::MINIMAL => Some("Chat about anything with no tools."),
             _ => None,
         };
-        let thread_profile_id = self.thread.read(cx).profile().id();
+        let thread_profile_id = self.provider.profile_id(cx);
 
         let entry = ContextMenuEntry::new(profile_name.clone())
-            .toggleable(IconPosition::End, &profile_id == thread_profile_id);
+            .toggleable(IconPosition::End, profile_id == thread_profile_id);
 
         let entry = if let Some(doc_text) = documentation {
             entry.documentation_aside(documentation_side(settings.dock), move |_| {
@@ -128,19 +136,16 @@ impl ProfileSelector {
 
         entry.handler({
             let fs = self.fs.clone();
-            let thread = self.thread.clone();
-            let profile_id = profile_id.clone();
+            let provider = self.provider.clone();
             move |_window, cx| {
                 update_settings_file::<AgentSettings>(fs.clone(), cx, {
                     let profile_id = profile_id.clone();
                     move |settings, _cx| {
-                        settings.set_profile(profile_id.clone());
+                        settings.set_profile(profile_id);
                     }
                 });
 
-                thread.update(cx, |this, cx| {
-                    this.set_profile(profile_id.clone(), cx);
-                });
+                provider.set_profile(profile_id.clone(), cx);
             }
         })
     }
@@ -149,23 +154,15 @@ impl ProfileSelector {
 impl Render for ProfileSelector {
     fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let settings = AgentSettings::get_global(cx);
-        let profile_id = self.thread.read(cx).profile().id();
-        let profile = settings.profiles.get(profile_id);
+        let profile_id = self.provider.profile_id(cx);
+        let profile = settings.profiles.get(&profile_id);
 
         let selected_profile = profile
             .map(|profile| profile.name.clone())
             .unwrap_or_else(|| "Unknown".into());
 
-        let configured_model = self.thread.read(cx).configured_model().or_else(|| {
-            let model_registry = LanguageModelRegistry::read_global(cx);
-            model_registry.default_model()
-        });
-        let Some(configured_model) = configured_model else {
-            return Empty.into_any_element();
-        };
-
-        if configured_model.model.supports_tools() {
-            let this = cx.entity().clone();
+        if self.provider.profiles_supported(cx) {
+            let this = cx.entity();
             let focus_handle = self.focus_handle.clone();
             let trigger_button = Button::new("profile-selector-model", selected_profile)
                 .label_size(LabelSize::Small)
@@ -177,7 +174,6 @@ impl Render for ProfileSelector {
 
             PopoverMenu::new("profile-selector")
                 .trigger_with_tooltip(trigger_button, {
-                    let focus_handle = focus_handle.clone();
                     move |window, cx| {
                         Tooltip::for_action_in(
                             "Toggle Profile Menu",
diff --git a/crates/agent_ui/src/slash_command.rs b/crates/agent_ui/src/slash_command.rs
index 6b37c5a2d7..87e5d45fe8 100644
--- a/crates/agent_ui/src/slash_command.rs
+++ b/crates/agent_ui/src/slash_command.rs
@@ -88,8 +88,6 @@ impl SlashCommandCompletionProvider {
                                 .map(|(editor, workspace)| {
                                     let command_name = mat.string.clone();
                                     let command_range = command_range.clone();
-                                    let editor = editor.clone();
-                                    let workspace = workspace.clone();
                                     Arc::new(
                                             move |intent: CompletionIntent,
                                             window: &mut Window,
@@ -158,7 +156,7 @@ impl SlashCommandCompletionProvider {
         if let Some(command) = self.slash_commands.command(command_name, cx) {
             let completions = command.complete_argument(
                 arguments,
-                new_cancel_flag.clone(),
+                new_cancel_flag,
                 self.workspace.clone(),
                 window,
                 cx,
diff --git a/crates/agent_ui/src/slash_command_picker.rs b/crates/agent_ui/src/slash_command_picker.rs
index a757a2f50a..a6bb61510c 100644
--- a/crates/agent_ui/src/slash_command_picker.rs
+++ b/crates/agent_ui/src/slash_command_picker.rs
@@ -140,12 +140,10 @@ impl PickerDelegate for SlashCommandDelegate {
                     );
                     ret.push(index - 1);
                 }
-            } else {
-                if let SlashCommandEntry::Advert { .. } = command {
-                    previous_is_advert = true;
-                    if index != 0 {
-                        ret.push(index - 1);
-                    }
+            } else if let SlashCommandEntry::Advert { .. } = command {
+                previous_is_advert = true;
+                if index != 0 {
+                    ret.push(index - 1);
                 }
             }
         }
@@ -214,7 +212,7 @@ impl PickerDelegate for SlashCommandDelegate {
                                         let mut label = format!("{}", info.name);
                                         if let Some(args) = info.args.as_ref().filter(|_| selected)
                                         {
-                                            label.push_str(&args);
+                                            label.push_str(args);
                                         }
                                         Label::new(label)
                                             .single_line()
@@ -306,7 +304,7 @@ where
                                 )
                                 .child(
                                     Icon::new(IconName::ArrowUpRight)
-                                        .size(IconSize::XSmall)
+                                        .size(IconSize::Small)
                                         .color(Color::Muted),
                                 ),
                         )
@@ -329,9 +327,7 @@ where
         };
 
         let picker_view = cx.new(|cx| {
-            let picker =
-                Picker::uniform_list(delegate, window, cx).max_height(Some(rems(20.).into()));
-            picker
+            Picker::uniform_list(delegate, window, cx).max_height(Some(rems(20.).into()))
         });
 
         let handle = self
diff --git a/crates/agent_ui/src/slash_command_settings.rs b/crates/agent_ui/src/slash_command_settings.rs
index f254d00ec6..73e5622aa9 100644
--- a/crates/agent_ui/src/slash_command_settings.rs
+++ b/crates/agent_ui/src/slash_command_settings.rs
@@ -7,22 +7,11 @@ use settings::{Settings, SettingsSources};
 /// Settings for slash commands.
 #[derive(Deserialize, Serialize, Debug, Default, Clone, JsonSchema)]
 pub struct SlashCommandSettings {
-    /// Settings for the `/docs` slash command.
-    #[serde(default)]
-    pub docs: DocsCommandSettings,
     /// Settings for the `/cargo-workspace` slash command.
     #[serde(default)]
     pub cargo_workspace: CargoWorkspaceCommandSettings,
 }
 
-/// Settings for the `/docs` slash command.
-#[derive(Deserialize, Serialize, Debug, Default, Clone, JsonSchema)]
-pub struct DocsCommandSettings {
-    /// Whether `/docs` is enabled.
-    #[serde(default)]
-    pub enabled: bool,
-}
-
 /// Settings for the `/cargo-workspace` slash command.
 #[derive(Deserialize, Serialize, Debug, Default, Clone, JsonSchema)]
 pub struct CargoWorkspaceCommandSettings {
diff --git a/crates/agent_ui/src/terminal_codegen.rs b/crates/agent_ui/src/terminal_codegen.rs
index 54f5b52f58..5a4a9d560a 100644
--- a/crates/agent_ui/src/terminal_codegen.rs
+++ b/crates/agent_ui/src/terminal_codegen.rs
@@ -48,7 +48,7 @@ impl TerminalCodegen {
             let prompt = prompt_task.await;
             let model_telemetry_id = model.telemetry_id();
             let model_provider_id = model.provider_id();
-            let response = model.stream_completion_text(prompt, &cx).await;
+            let response = model.stream_completion_text(prompt, cx).await;
             let generate = async {
                 let message_id = response
                     .as_ref()
diff --git a/crates/agent_ui/src/terminal_inline_assistant.rs b/crates/agent_ui/src/terminal_inline_assistant.rs
index bcbc308c99..e7070c0d7f 100644
--- a/crates/agent_ui/src/terminal_inline_assistant.rs
+++ b/crates/agent_ui/src/terminal_inline_assistant.rs
@@ -388,20 +388,20 @@ impl TerminalInlineAssistant {
         window: &mut Window,
         cx: &mut App,
     ) {
-        if let Some(assist) = self.assists.get_mut(&assist_id) {
-            if let Some(prompt_editor) = assist.prompt_editor.as_ref().cloned() {
-                assist
-                    .terminal
-                    .update(cx, |terminal, cx| {
-                        terminal.clear_block_below_cursor(cx);
-                        let block = terminal_view::BlockProperties {
-                            height,
-                            render: Box::new(move |_| prompt_editor.clone().into_any_element()),
-                        };
-                        terminal.set_block_below_cursor(block, window, cx);
-                    })
-                    .log_err();
-            }
+        if let Some(assist) = self.assists.get_mut(&assist_id)
+            && let Some(prompt_editor) = assist.prompt_editor.as_ref().cloned()
+        {
+            assist
+                .terminal
+                .update(cx, |terminal, cx| {
+                    terminal.clear_block_below_cursor(cx);
+                    let block = terminal_view::BlockProperties {
+                        height,
+                        render: Box::new(move |_| prompt_editor.clone().into_any_element()),
+                    };
+                    terminal.set_block_below_cursor(block, window, cx);
+                })
+                .log_err();
         }
     }
 }
@@ -432,7 +432,7 @@ impl TerminalInlineAssist {
             terminal: terminal.downgrade(),
             prompt_editor: Some(prompt_editor.clone()),
             codegen: codegen.clone(),
-            workspace: workspace.clone(),
+            workspace,
             context_store,
             prompt_store,
             _subscriptions: vec![
@@ -450,23 +450,20 @@ impl TerminalInlineAssist {
                                 return;
                             };
 
-                            if let CodegenStatus::Error(error) = &codegen.read(cx).status {
-                                if assist.prompt_editor.is_none() {
-                                    if let Some(workspace) = assist.workspace.upgrade() {
-                                        let error =
-                                            format!("Terminal inline assistant error: {}", error);
-                                        workspace.update(cx, |workspace, cx| {
-                                            struct InlineAssistantError;
+                            if let CodegenStatus::Error(error) = &codegen.read(cx).status
+                                && assist.prompt_editor.is_none()
+                                && let Some(workspace) = assist.workspace.upgrade()
+                            {
+                                let error = format!("Terminal inline assistant error: {}", error);
+                                workspace.update(cx, |workspace, cx| {
+                                    struct InlineAssistantError;
 
-                                            let id =
-                                                NotificationId::composite::<InlineAssistantError>(
-                                                    assist_id.0,
-                                                );
+                                    let id = NotificationId::composite::<InlineAssistantError>(
+                                        assist_id.0,
+                                    );
 
-                                            workspace.show_toast(Toast::new(id, error), cx);
-                                        })
-                                    }
-                                }
+                                    workspace.show_toast(Toast::new(id, error), cx);
+                                })
                             }
 
                             if assist.prompt_editor.is_none() {
diff --git a/crates/agent_ui/src/text_thread_editor.rs b/crates/agent_ui/src/text_thread_editor.rs
index 3df0a48aa4..e9e7eba4b6 100644
--- a/crates/agent_ui/src/text_thread_editor.rs
+++ b/crates/agent_ui/src/text_thread_editor.rs
@@ -1,18 +1,16 @@
 use crate::{
-    burn_mode_tooltip::BurnModeTooltip,
+    QuoteSelection,
     language_model_selector::{LanguageModelSelector, language_model_selector},
+    ui::BurnModeTooltip,
 };
 use agent_settings::{AgentSettings, CompletionMode};
 use anyhow::Result;
 use assistant_slash_command::{SlashCommand, SlashCommandOutputSection, SlashCommandWorkingSet};
-use assistant_slash_commands::{
-    DefaultSlashCommand, DocsSlashCommand, DocsSlashCommandArgs, FileSlashCommand,
-    selections_creases,
-};
+use assistant_slash_commands::{DefaultSlashCommand, FileSlashCommand, selections_creases};
 use client::{proto, zed_urls};
 use collections::{BTreeSet, HashMap, HashSet, hash_map};
 use editor::{
-    Anchor, Editor, EditorEvent, MenuInlineCompletionsPolicy, MultiBuffer, MultiBufferSnapshot,
+    Anchor, Editor, EditorEvent, MenuEditPredictionsPolicy, MultiBuffer, MultiBufferSnapshot,
     RowExt, ToOffset as _, ToPoint,
     actions::{MoveToEndOfLine, Newline, ShowCompletions},
     display_map::{
@@ -30,7 +28,6 @@ use gpui::{
     StatefulInteractiveElement, Styled, Subscription, Task, Transformation, WeakEntity, actions,
     div, img, percentage, point, prelude::*, pulsating_between, size,
 };
-use indexed_docs::IndexedDocsStore;
 use language::{
     BufferSnapshot, LspAdapterDelegate, ToOffset,
     language_settings::{SoftWrap, all_language_settings},
@@ -77,7 +74,7 @@ use crate::{slash_command::SlashCommandCompletionProvider, slash_command_picker}
 use assistant_context::{
     AssistantContext, CacheStatus, Content, ContextEvent, ContextId, InvokedSlashCommandId,
     InvokedSlashCommandStatus, Message, MessageId, MessageMetadata, MessageStatus,
-    ParsedSlashCommand, PendingSlashCommandStatus, ThoughtProcessOutputSection,
+    PendingSlashCommandStatus, ThoughtProcessOutputSection,
 };
 
 actions!(
@@ -93,8 +90,6 @@ actions!(
         CycleMessageRole,
         /// Inserts the selected text into the active editor.
         InsertIntoEditor,
-        /// Quotes the current selection in the assistant conversation.
-        QuoteSelection,
         /// Splits the conversation at the current cursor position.
         Split,
     ]
@@ -195,7 +190,6 @@ pub struct TextThreadEditor {
     invoked_slash_command_creases: HashMap<InvokedSlashCommandId, CreaseId>,
     _subscriptions: Vec<Subscription>,
     last_error: Option<AssistError>,
-    show_accept_terms: bool,
     pub(crate) slash_menu_handle:
         PopoverMenuHandle<Picker<slash_command_picker::SlashCommandDelegate>>,
     // dragged_file_worktrees is used to keep references to worktrees that were added
@@ -254,7 +248,7 @@ impl TextThreadEditor {
             editor.set_show_wrap_guides(false, cx);
             editor.set_show_indent_guides(false, cx);
             editor.set_completion_provider(Some(Rc::new(completion_provider)));
-            editor.set_menu_inline_completions_policy(MenuInlineCompletionsPolicy::Never);
+            editor.set_menu_edit_predictions_policy(MenuEditPredictionsPolicy::Never);
             editor.set_collaboration_hub(Box::new(project.clone()));
 
             let show_edit_predictions = all_language_settings(None, cx)
@@ -294,7 +288,6 @@ impl TextThreadEditor {
             invoked_slash_command_creases: HashMap::default(),
             _subscriptions,
             last_error: None,
-            show_accept_terms: false,
             slash_menu_handle: Default::default(),
             dragged_file_worktrees: Vec::new(),
             language_model_selector: cx.new(|cx| {
@@ -368,24 +361,12 @@ impl TextThreadEditor {
         if self.sending_disabled(cx) {
             return;
         }
+        telemetry::event!("Agent Message Sent", agent = "zed-text");
         self.send_to_model(window, cx);
     }
 
     fn send_to_model(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        let provider = LanguageModelRegistry::read_global(cx)
-            .default_model()
-            .map(|default| default.provider);
-        if provider
-            .as_ref()
-            .map_or(false, |provider| provider.must_accept_terms(cx))
-        {
-            self.show_accept_terms = true;
-            cx.notify();
-            return;
-        }
-
         self.last_error = None;
-
         if let Some(user_message) = self.context.update(cx, |context, cx| context.assist(cx)) {
             let new_selection = {
                 let cursor = user_message
@@ -461,7 +442,7 @@ impl TextThreadEditor {
                         || snapshot
                             .chars_at(newest_cursor)
                             .next()
-                            .map_or(false, |ch| ch != '\n')
+                            .is_some_and(|ch| ch != '\n')
                     {
                         editor.move_to_end_of_line(
                             &MoveToEndOfLine {
@@ -544,7 +525,7 @@ impl TextThreadEditor {
             let context = self.context.read(cx);
             let sections = context
                 .slash_command_output_sections()
-                .into_iter()
+                .iter()
                 .filter(|section| section.is_valid(context.buffer().read(cx)))
                 .cloned()
                 .collect::<Vec<_>>();
@@ -701,19 +682,7 @@ impl TextThreadEditor {
                                 }
                             };
                             let render_trailer = {
-                                let command = command.clone();
-                                move |row, _unfold, _window: &mut Window, cx: &mut App| {
-                                    // TODO: In the future we should investigate how we can expose
-                                    // this as a hook on the `SlashCommand` trait so that we don't
-                                    // need to special-case it here.
-                                    if command.name == DocsSlashCommand::NAME {
-                                        return render_docs_slash_command_trailer(
-                                            row,
-                                            command.clone(),
-                                            cx,
-                                        );
-                                    }
-
+                                move |_row, _unfold, _window: &mut Window, _cx: &mut App| {
                                     Empty.into_any()
                                 }
                             };
@@ -761,32 +730,27 @@ impl TextThreadEditor {
     ) {
         if let Some(invoked_slash_command) =
             self.context.read(cx).invoked_slash_command(&command_id)
+            && let InvokedSlashCommandStatus::Finished = invoked_slash_command.status
         {
-            if let InvokedSlashCommandStatus::Finished = invoked_slash_command.status {
-                let run_commands_in_ranges = invoked_slash_command
-                    .run_commands_in_ranges
-                    .iter()
-                    .cloned()
-                    .collect::<Vec<_>>();
-                for range in run_commands_in_ranges {
-                    let commands = self.context.update(cx, |context, cx| {
-                        context.reparse(cx);
-                        context
-                            .pending_commands_for_range(range.clone(), cx)
-                            .to_vec()
-                    });
+            let run_commands_in_ranges = invoked_slash_command.run_commands_in_ranges.clone();
+            for range in run_commands_in_ranges {
+                let commands = self.context.update(cx, |context, cx| {
+                    context.reparse(cx);
+                    context
+                        .pending_commands_for_range(range.clone(), cx)
+                        .to_vec()
+                });
 
-                    for command in commands {
-                        self.run_command(
-                            command.source_range,
-                            &command.name,
-                            &command.arguments,
-                            false,
-                            self.workspace.clone(),
-                            window,
-                            cx,
-                        );
-                    }
+                for command in commands {
+                    self.run_command(
+                        command.source_range,
+                        &command.name,
+                        &command.arguments,
+                        false,
+                        self.workspace.clone(),
+                        window,
+                        cx,
+                    );
                 }
             }
         }
@@ -1258,7 +1222,7 @@ impl TextThreadEditor {
             let mut new_blocks = vec![];
             let mut block_index_to_message = vec![];
             for message in self.context.read(cx).messages(cx) {
-                if let Some(_) = blocks_to_remove.remove(&message.id) {
+                if blocks_to_remove.remove(&message.id).is_some() {
                     // This is an old message that we might modify.
                     let Some((meta, block_id)) = old_blocks.get_mut(&message.id) else {
                         debug_assert!(
@@ -1296,7 +1260,7 @@ impl TextThreadEditor {
         context_editor_view: &Entity<TextThreadEditor>,
         cx: &mut Context<Workspace>,
     ) -> Option<(String, bool)> {
-        const CODE_FENCE_DELIMITER: &'static str = "```";
+        const CODE_FENCE_DELIMITER: &str = "```";
 
         let context_editor = context_editor_view.read(cx).editor.clone();
         context_editor.update(cx, |context_editor, cx| {
@@ -1760,7 +1724,7 @@ impl TextThreadEditor {
                                 render_slash_command_output_toggle,
                                 |_, _, _, _| Empty.into_any(),
                             )
-                            .with_metadata(metadata.crease.clone())
+                            .with_metadata(metadata.crease)
                         }),
                         cx,
                     );
@@ -1831,7 +1795,7 @@ impl TextThreadEditor {
                 .filter_map(|(anchor, render_image)| {
                     const MAX_HEIGHT_IN_LINES: u32 = 8;
                     let anchor = buffer.anchor_in_excerpt(excerpt_id, anchor).unwrap();
-                    let image = render_image.clone();
+                    let image = render_image;
                     anchor.is_valid(&buffer).then(|| BlockProperties {
                         placement: BlockPlacement::Above(anchor),
                         height: Some(MAX_HEIGHT_IN_LINES),
@@ -1894,7 +1858,7 @@ impl TextThreadEditor {
     }
 
     fn render_send_button(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let focus_handle = self.focus_handle(cx).clone();
+        let focus_handle = self.focus_handle(cx);
 
         let (style, tooltip) = match token_state(&self.context, cx) {
             Some(TokenState::NoTokensLeft { .. }) => (
@@ -1952,7 +1916,6 @@ impl TextThreadEditor {
             ConfigurationError::NoProvider
             | ConfigurationError::ModelNotFound
             | ConfigurationError::ProviderNotAuthenticated(_) => true,
-            ConfigurationError::ProviderPendingTermsAcceptance(_) => self.show_accept_terms,
         }
     }
 
@@ -2036,7 +1999,7 @@ impl TextThreadEditor {
             None => IconName::Ai,
         };
 
-        let focus_handle = self.editor().focus_handle(cx).clone();
+        let focus_handle = self.editor().focus_handle(cx);
 
         PickerPopoverMenu::new(
             self.language_model_selector.clone(),
@@ -2182,8 +2145,8 @@ impl TextThreadEditor {
 
 /// Returns the contents of the *outermost* fenced code block that contains the given offset.
 fn find_surrounding_code_block(snapshot: &BufferSnapshot, offset: usize) -> Option<Range<usize>> {
-    const CODE_BLOCK_NODE: &'static str = "fenced_code_block";
-    const CODE_BLOCK_CONTENT: &'static str = "code_fence_content";
+    const CODE_BLOCK_NODE: &str = "fenced_code_block";
+    const CODE_BLOCK_CONTENT: &str = "code_fence_content";
 
     let layer = snapshot.syntax_layers().next()?;
 
@@ -2233,7 +2196,7 @@ fn render_thought_process_fold_icon_button(
         let button = match status {
             ThoughtProcessStatus::Pending => button
                 .child(
-                    Icon::new(IconName::LightBulb)
+                    Icon::new(IconName::ToolThink)
                         .size(IconSize::Small)
                         .color(Color::Muted),
                 )
@@ -2248,7 +2211,7 @@ fn render_thought_process_fold_icon_button(
                 ),
             ThoughtProcessStatus::Completed => button
                 .style(ButtonStyle::Filled)
-                .child(Icon::new(IconName::LightBulb).size(IconSize::Small))
+                .child(Icon::new(IconName::ToolThink).size(IconSize::Small))
                 .child(Label::new("Thought Process").single_line()),
         };
 
@@ -2398,70 +2361,6 @@ fn render_pending_slash_command_gutter_decoration(
     icon.into_any_element()
 }
 
-fn render_docs_slash_command_trailer(
-    row: MultiBufferRow,
-    command: ParsedSlashCommand,
-    cx: &mut App,
-) -> AnyElement {
-    if command.arguments.is_empty() {
-        return Empty.into_any();
-    }
-    let args = DocsSlashCommandArgs::parse(&command.arguments);
-
-    let Some(store) = args
-        .provider()
-        .and_then(|provider| IndexedDocsStore::try_global(provider, cx).ok())
-    else {
-        return Empty.into_any();
-    };
-
-    let Some(package) = args.package() else {
-        return Empty.into_any();
-    };
-
-    let mut children = Vec::new();
-
-    if store.is_indexing(&package) {
-        children.push(
-            div()
-                .id(("crates-being-indexed", row.0))
-                .child(Icon::new(IconName::ArrowCircle).with_animation(
-                    "arrow-circle",
-                    Animation::new(Duration::from_secs(4)).repeat(),
-                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
-                ))
-                .tooltip({
-                    let package = package.clone();
-                    Tooltip::text(format!("Indexing {package}…"))
-                })
-                .into_any_element(),
-        );
-    }
-
-    if let Some(latest_error) = store.latest_error_for_package(&package) {
-        children.push(
-            div()
-                .id(("latest-error", row.0))
-                .child(
-                    Icon::new(IconName::Warning)
-                        .size(IconSize::Small)
-                        .color(Color::Warning),
-                )
-                .tooltip(Tooltip::text(format!("Failed to index: {latest_error}")))
-                .into_any_element(),
-        )
-    }
-
-    let is_indexing = store.is_indexing(&package);
-    let latest_error = store.latest_error_for_package(&package);
-
-    if !is_indexing && latest_error.is_none() {
-        return Empty.into_any();
-    }
-
-    h_flex().gap_2().children(children).into_any_element()
-}
-
 #[derive(Debug, Clone, Serialize, Deserialize)]
 struct CopyMetadata {
     creases: Vec<SelectedCreaseMetadata>,
@@ -3214,7 +3113,7 @@ mod tests {
         let context_editor = window
             .update(&mut cx, |_, window, cx| {
                 cx.new(|cx| {
-                    let editor = TextThreadEditor::for_context(
+                    TextThreadEditor::for_context(
                         context.clone(),
                         fs,
                         workspace.downgrade(),
@@ -3222,8 +3121,7 @@ mod tests {
                         None,
                         window,
                         cx,
-                    );
-                    editor
+                    )
                 })
             })
             .unwrap();
diff --git a/crates/agent_ui/src/thread_history.rs b/crates/agent_ui/src/thread_history.rs
index a2ee816f73..4ec2078e5d 100644
--- a/crates/agent_ui/src/thread_history.rs
+++ b/crates/agent_ui/src/thread_history.rs
@@ -166,14 +166,13 @@ impl ThreadHistory {
                                 this.all_entries.len().saturating_sub(1),
                                 cx,
                             );
-                        } else if let Some(prev_id) = previously_selected_entry {
-                            if let Some(new_ix) = this
+                        } else if let Some(prev_id) = previously_selected_entry
+                            && let Some(new_ix) = this
                                 .all_entries
                                 .iter()
                                 .position(|probe| probe.id() == prev_id)
-                            {
-                                this.set_selected_entry_index(new_ix, cx);
-                            }
+                        {
+                            this.set_selected_entry_index(new_ix, cx);
                         }
                     }
                     SearchState::Searching { query, .. } | SearchState::Searched { query, .. } => {
@@ -541,6 +540,7 @@ impl Render for ThreadHistory {
         v_flex()
             .key_context("ThreadHistory")
             .size_full()
+            .bg(cx.theme().colors().panel_background)
             .on_action(cx.listener(Self::select_previous))
             .on_action(cx.listener(Self::select_next))
             .on_action(cx.listener(Self::select_first))
@@ -701,7 +701,7 @@ impl RenderOnce for HistoryEntryElement {
             .on_hover(self.on_hover)
             .end_slot::<IconButton>(if self.hovered || self.selected {
                 Some(
-                    IconButton::new("delete", IconName::TrashAlt)
+                    IconButton::new("delete", IconName::Trash)
                         .shape(IconButtonShape::Square)
                         .icon_size(IconSize::XSmall)
                         .icon_color(Color::Muted)
diff --git a/crates/agent_ui/src/tool_compatibility.rs b/crates/agent_ui/src/tool_compatibility.rs
index d4e1da5bb0..046c0a4abc 100644
--- a/crates/agent_ui/src/tool_compatibility.rs
+++ b/crates/agent_ui/src/tool_compatibility.rs
@@ -14,13 +14,11 @@ pub struct IncompatibleToolsState {
 
 impl IncompatibleToolsState {
     pub fn new(thread: Entity<Thread>, cx: &mut Context<Self>) -> Self {
-        let _tool_working_set_subscription =
-            cx.subscribe(&thread, |this, _, event, _| match event {
-                ThreadEvent::ProfileChanged => {
-                    this.cache.clear();
-                }
-                _ => {}
-            });
+        let _tool_working_set_subscription = cx.subscribe(&thread, |this, _, event, _| {
+            if let ThreadEvent::ProfileChanged = event {
+                this.cache.clear();
+            }
+        });
 
         Self {
             cache: HashMap::default(),
diff --git a/crates/agent_ui/src/ui.rs b/crates/agent_ui/src/ui.rs
index b477a8c385..ada973cddf 100644
--- a/crates/agent_ui/src/ui.rs
+++ b/crates/agent_ui/src/ui.rs
@@ -2,13 +2,13 @@ mod agent_notification;
 mod burn_mode_tooltip;
 mod context_pill;
 mod end_trial_upsell;
-mod new_thread_button;
 mod onboarding_modal;
 pub mod preview;
+mod unavailable_editing_tooltip;
 
 pub use agent_notification::*;
 pub use burn_mode_tooltip::*;
 pub use context_pill::*;
 pub use end_trial_upsell::*;
-pub use new_thread_button::*;
 pub use onboarding_modal::*;
+pub use unavailable_editing_tooltip::*;
diff --git a/crates/agent_ui/src/ui/burn_mode_tooltip.rs b/crates/agent_ui/src/ui/burn_mode_tooltip.rs
index 97f7853a61..72faaa614d 100644
--- a/crates/agent_ui/src/ui/burn_mode_tooltip.rs
+++ b/crates/agent_ui/src/ui/burn_mode_tooltip.rs
@@ -2,11 +2,11 @@ use crate::ToggleBurnMode;
 use gpui::{Context, FontWeight, IntoElement, Render, Window};
 use ui::{KeyBinding, prelude::*, tooltip_container};
 
-pub struct MaxModeTooltip {
+pub struct BurnModeTooltip {
     selected: bool,
 }
 
-impl MaxModeTooltip {
+impl BurnModeTooltip {
     pub fn new() -> Self {
         Self { selected: false }
     }
@@ -17,7 +17,7 @@ impl MaxModeTooltip {
     }
 }
 
-impl Render for MaxModeTooltip {
+impl Render for BurnModeTooltip {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let (icon, color) = if self.selected {
             (IconName::ZedBurnModeOn, Color::Error)
diff --git a/crates/agent_ui/src/ui/context_pill.rs b/crates/agent_ui/src/ui/context_pill.rs
index 5dd57de244..7c7fbd27f0 100644
--- a/crates/agent_ui/src/ui/context_pill.rs
+++ b/crates/agent_ui/src/ui/context_pill.rs
@@ -353,7 +353,7 @@ impl AddedContext {
             name,
             parent,
             tooltip: Some(full_path_string),
-            icon_path: FileIcons::get_icon(&full_path, cx),
+            icon_path: FileIcons::get_icon(full_path, cx),
             status: ContextStatus::Ready,
             render_hover: None,
             handle: AgentContextHandle::File(handle),
@@ -499,7 +499,7 @@ impl AddedContext {
                 let thread = handle.thread.clone();
                 Some(Rc::new(move |_, cx| {
                     let text = thread.read(cx).latest_detailed_summary_or_text();
-                    ContextPillHover::new_text(text.clone(), cx).into()
+                    ContextPillHover::new_text(text, cx).into()
                 }))
             },
             handle: AgentContextHandle::Thread(handle),
@@ -574,7 +574,7 @@ impl AddedContext {
             .unwrap_or_else(|| "Unnamed Rule".into());
         Some(AddedContext {
             kind: ContextKind::Rules,
-            name: title.clone(),
+            name: title,
             parent: None,
             tooltip: None,
             icon_path: None,
@@ -615,7 +615,7 @@ impl AddedContext {
             let full_path_string: SharedString = full_path.to_string_lossy().into_owned().into();
             let (name, parent) =
                 extract_file_name_and_directory_from_full_path(full_path, &full_path_string);
-            let icon_path = FileIcons::get_icon(&full_path, cx);
+            let icon_path = FileIcons::get_icon(full_path, cx);
             (name, parent, icon_path)
         } else {
             ("Image".into(), None, None)
@@ -706,7 +706,7 @@ impl ContextFileExcerpt {
             .and_then(|p| p.file_name())
             .map(|n| n.to_string_lossy().into_owned().into());
 
-        let icon_path = FileIcons::get_icon(&full_path, cx);
+        let icon_path = FileIcons::get_icon(full_path, cx);
 
         ContextFileExcerpt {
             file_name_and_range: file_name_and_range.into(),
diff --git a/crates/agent_ui/src/ui/end_trial_upsell.rs b/crates/agent_ui/src/ui/end_trial_upsell.rs
index 36770c2197..3a8a119800 100644
--- a/crates/agent_ui/src/ui/end_trial_upsell.rs
+++ b/crates/agent_ui/src/ui/end_trial_upsell.rs
@@ -1,9 +1,9 @@
 use std::sync::Arc;
 
-use ai_onboarding::{AgentPanelOnboardingCard, BulletItem};
+use ai_onboarding::{AgentPanelOnboardingCard, PlanDefinitions};
 use client::zed_urls;
 use gpui::{AnyElement, App, IntoElement, RenderOnce, Window};
-use ui::{Divider, List, Tooltip, prelude::*};
+use ui::{Divider, Tooltip, prelude::*};
 
 #[derive(IntoElement, RegisterComponent)]
 pub struct EndTrialUpsell {
@@ -18,6 +18,8 @@ impl EndTrialUpsell {
 
 impl RenderOnce for EndTrialUpsell {
     fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
+        let plan_definitions = PlanDefinitions;
+
         let pro_section = v_flex()
             .gap_1()
             .child(
@@ -31,13 +33,7 @@ impl RenderOnce for EndTrialUpsell {
                     )
                     .child(Divider::horizontal()),
             )
-            .child(
-                List::new()
-                    .child(BulletItem::new("500 prompts with Claude models"))
-                    .child(BulletItem::new(
-                        "Unlimited edit predictions with Zeta, our open-source model",
-                    )),
-            )
+            .child(plan_definitions.pro_plan(false))
             .child(
                 Button::new("cta-button", "Upgrade to Zed Pro")
                     .full_width()
@@ -68,11 +64,7 @@ impl RenderOnce for EndTrialUpsell {
                     )
                     .child(Divider::horizontal()),
             )
-            .child(
-                List::new()
-                    .child(BulletItem::new("50 prompts with the Claude models"))
-                    .child(BulletItem::new("2,000 accepted edit predictions")),
-            );
+            .child(plan_definitions.free_plan());
 
         AgentPanelOnboardingCard::new()
             .child(Headline::new("Your Zed Pro Trial has expired"))
@@ -102,18 +94,20 @@ impl RenderOnce for EndTrialUpsell {
 
 impl Component for EndTrialUpsell {
     fn scope() -> ComponentScope {
-        ComponentScope::Agent
+        ComponentScope::Onboarding
+    }
+
+    fn name() -> &'static str {
+        "End of Trial Upsell Banner"
     }
 
     fn sort_name() -> &'static str {
-        "AgentEndTrialUpsell"
+        "End of Trial Upsell Banner"
     }
 
     fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
         Some(
             v_flex()
-                .p_4()
-                .gap_4()
                 .child(EndTrialUpsell {
                     dismiss_upsell: Arc::new(|_, _| {}),
                 })
diff --git a/crates/agent_ui/src/ui/new_thread_button.rs b/crates/agent_ui/src/ui/new_thread_button.rs
deleted file mode 100644
index 7764144150..0000000000
--- a/crates/agent_ui/src/ui/new_thread_button.rs
+++ /dev/null
@@ -1,75 +0,0 @@
-use gpui::{ClickEvent, ElementId, IntoElement, ParentElement, Styled};
-use ui::prelude::*;
-
-#[derive(IntoElement)]
-pub struct NewThreadButton {
-    id: ElementId,
-    label: SharedString,
-    icon: IconName,
-    keybinding: Option<ui::KeyBinding>,
-    on_click: Option<Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>>,
-}
-
-impl NewThreadButton {
-    pub fn new(id: impl Into<ElementId>, label: impl Into<SharedString>, icon: IconName) -> Self {
-        Self {
-            id: id.into(),
-            label: label.into(),
-            icon,
-            keybinding: None,
-            on_click: None,
-        }
-    }
-
-    pub fn keybinding(mut self, keybinding: Option<ui::KeyBinding>) -> Self {
-        self.keybinding = keybinding;
-        self
-    }
-
-    pub fn on_click<F>(mut self, handler: F) -> Self
-    where
-        F: Fn(&mut Window, &mut App) + 'static,
-    {
-        self.on_click = Some(Box::new(
-            move |_: &ClickEvent, window: &mut Window, cx: &mut App| handler(window, cx),
-        ));
-        self
-    }
-}
-
-impl RenderOnce for NewThreadButton {
-    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
-        h_flex()
-            .id(self.id)
-            .w_full()
-            .py_1p5()
-            .px_2()
-            .gap_1()
-            .justify_between()
-            .rounded_md()
-            .border_1()
-            .border_color(cx.theme().colors().border.opacity(0.4))
-            .bg(cx.theme().colors().element_active.opacity(0.2))
-            .hover(|style| {
-                style
-                    .bg(cx.theme().colors().element_hover)
-                    .border_color(cx.theme().colors().border)
-            })
-            .child(
-                h_flex()
-                    .gap_1p5()
-                    .child(
-                        Icon::new(self.icon)
-                            .size(IconSize::XSmall)
-                            .color(Color::Muted),
-                    )
-                    .child(Label::new(self.label).size(LabelSize::Small)),
-            )
-            .when_some(self.keybinding, |this, keybinding| {
-                this.child(keybinding.size(rems_from_px(10.)))
-            })
-            .when_some(self.on_click, |this, on_click| {
-                this.on_click(move |event, window, cx| on_click(event, window, cx))
-            })
-    }
-}
diff --git a/crates/agent_ui/src/ui/onboarding_modal.rs b/crates/agent_ui/src/ui/onboarding_modal.rs
index 9e04171ec9..b8b038bdfc 100644
--- a/crates/agent_ui/src/ui/onboarding_modal.rs
+++ b/crates/agent_ui/src/ui/onboarding_modal.rs
@@ -139,7 +139,7 @@ impl Render for AgentOnboardingModal {
                     .child(Headline::new("Agentic Editing in Zed").size(HeadlineSize::Large)),
             )
             .child(h_flex().absolute().top_2().right_2().child(
-                IconButton::new("cancel", IconName::X).on_click(cx.listener(
+                IconButton::new("cancel", IconName::Close).on_click(cx.listener(
                     |_, _: &ClickEvent, _window, cx| {
                         agent_onboarding_event!("Cancelled", trigger = "X click");
                         cx.emit(DismissEvent);
diff --git a/crates/agent_ui/src/ui/preview/usage_callouts.rs b/crates/agent_ui/src/ui/preview/usage_callouts.rs
index 64869a6ec7..d4d037b976 100644
--- a/crates/agent_ui/src/ui/preview/usage_callouts.rs
+++ b/crates/agent_ui/src/ui/preview/usage_callouts.rs
@@ -80,31 +80,24 @@ impl RenderOnce for UsageCallout {
             }
         };
 
-        let icon = if is_limit_reached {
-            Icon::new(IconName::X)
-                .color(Color::Error)
-                .size(IconSize::XSmall)
+        let (icon, severity) = if is_limit_reached {
+            (IconName::Close, Severity::Error)
         } else {
-            Icon::new(IconName::Warning)
-                .color(Color::Warning)
-                .size(IconSize::XSmall)
+            (IconName::Warning, Severity::Warning)
         };
 
-        div()
-            .border_t_1()
-            .border_color(cx.theme().colors().border)
-            .child(
-                Callout::new()
-                    .icon(icon)
-                    .title(title)
-                    .description(message)
-                    .primary_action(
-                        Button::new("upgrade", button_text)
-                            .label_size(LabelSize::Small)
-                            .on_click(move |_, _, cx| {
-                                cx.open_url(&url);
-                            }),
-                    ),
+        Callout::new()
+            .icon(icon)
+            .severity(severity)
+            .icon(icon)
+            .title(title)
+            .description(message)
+            .actions_slot(
+                Button::new("upgrade", button_text)
+                    .label_size(LabelSize::Small)
+                    .on_click(move |_, _, cx| {
+                        cx.open_url(&url);
+                    }),
             )
             .into_any_element()
     }
diff --git a/crates/agent_ui/src/ui/unavailable_editing_tooltip.rs b/crates/agent_ui/src/ui/unavailable_editing_tooltip.rs
new file mode 100644
index 0000000000..78d4c64e0a
--- /dev/null
+++ b/crates/agent_ui/src/ui/unavailable_editing_tooltip.rs
@@ -0,0 +1,29 @@
+use gpui::{Context, IntoElement, Render, Window};
+use ui::{prelude::*, tooltip_container};
+
+pub struct UnavailableEditingTooltip {
+    agent_name: SharedString,
+}
+
+impl UnavailableEditingTooltip {
+    pub fn new(agent_name: SharedString) -> Self {
+        Self { agent_name }
+    }
+}
+
+impl Render for UnavailableEditingTooltip {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        tooltip_container(window, cx, |this, _, _| {
+            this.child(Label::new("Unavailable Editing")).child(
+                div().max_w_64().child(
+                    Label::new(format!(
+                        "Editing previous messages is not available for {} yet.",
+                        self.agent_name
+                    ))
+                    .size(LabelSize::Small)
+                    .color(Color::Muted),
+                ),
+            )
+        })
+    }
+}
diff --git a/crates/ai_onboarding/Cargo.toml b/crates/ai_onboarding/Cargo.toml
index 9031e14e29..95a45b1a6f 100644
--- a/crates/ai_onboarding/Cargo.toml
+++ b/crates/ai_onboarding/Cargo.toml
@@ -16,10 +16,10 @@ default = []
 
 [dependencies]
 client.workspace = true
+cloud_llm_client.workspace = true
 component.workspace = true
 gpui.workspace = true
 language_model.workspace = true
-proto.workspace = true
 serde.workspace = true
 smallvec.workspace = true
 telemetry.workspace = true
diff --git a/crates/ai_onboarding/src/agent_api_keys_onboarding.rs b/crates/ai_onboarding/src/agent_api_keys_onboarding.rs
index e86568fe7a..fadc4222ae 100644
--- a/crates/ai_onboarding/src/agent_api_keys_onboarding.rs
+++ b/crates/ai_onboarding/src/agent_api_keys_onboarding.rs
@@ -1,8 +1,6 @@
 use gpui::{Action, IntoElement, ParentElement, RenderOnce, point};
 use language_model::{LanguageModelRegistry, ZED_CLOUD_PROVIDER_ID};
-use ui::{Divider, List, prelude::*};
-
-use crate::BulletItem;
+use ui::{Divider, List, ListBulletItem, prelude::*};
 
 pub struct ApiKeysWithProviders {
     configured_providers: Vec<(IconName, SharedString)>,
@@ -13,7 +11,7 @@ impl ApiKeysWithProviders {
         cx.subscribe(
             &LanguageModelRegistry::global(cx),
             |this: &mut Self, _registry, event: &language_model::Event, cx| match event {
-                language_model::Event::ProviderStateChanged
+                language_model::Event::ProviderStateChanged(_)
                 | language_model::Event::AddedProvider(_)
                 | language_model::Event::RemovedProvider(_) => {
                     this.configured_providers = Self::compute_configured_providers(cx)
@@ -35,7 +33,7 @@ impl ApiKeysWithProviders {
             .filter(|provider| {
                 provider.is_authenticated(cx) && provider.id() != ZED_CLOUD_PROVIDER_ID
             })
-            .map(|provider| (provider.icon(), provider.name().0.clone()))
+            .map(|provider| (provider.icon(), provider.name().0))
             .collect()
     }
 }
@@ -128,7 +126,7 @@ impl RenderOnce for ApiKeysWithoutProviders {
                     )
                     .child(Divider::horizontal()),
             )
-            .child(List::new().child(BulletItem::new(
+            .child(List::new().child(ListBulletItem::new(
                 "Add your own keys to use AI without signing in.",
             )))
             .child(
diff --git a/crates/ai_onboarding/src/agent_panel_onboarding_content.rs b/crates/ai_onboarding/src/agent_panel_onboarding_content.rs
index e8a62f7ff2..77f41d1a73 100644
--- a/crates/ai_onboarding/src/agent_panel_onboarding_content.rs
+++ b/crates/ai_onboarding/src/agent_panel_onboarding_content.rs
@@ -1,6 +1,7 @@
 use std::sync::Arc;
 
 use client::{Client, UserStore};
+use cloud_llm_client::Plan;
 use gpui::{Entity, IntoElement, ParentElement};
 use language_model::{LanguageModelRegistry, ZED_CLOUD_PROVIDER_ID};
 use ui::prelude::*;
@@ -24,7 +25,7 @@ impl AgentPanelOnboarding {
         cx.subscribe(
             &LanguageModelRegistry::global(cx),
             |this: &mut Self, _registry, event: &language_model::Event, cx| match event {
-                language_model::Event::ProviderStateChanged
+                language_model::Event::ProviderStateChanged(_)
                 | language_model::Event::AddedProvider(_)
                 | language_model::Event::RemovedProvider(_) => {
                     this.configured_providers = Self::compute_available_providers(cx)
@@ -49,22 +50,15 @@ impl AgentPanelOnboarding {
             .filter(|provider| {
                 provider.is_authenticated(cx) && provider.id() != ZED_CLOUD_PROVIDER_ID
             })
-            .map(|provider| (provider.icon(), provider.name().0.clone()))
+            .map(|provider| (provider.icon(), provider.name().0))
             .collect()
     }
 }
 
 impl Render for AgentPanelOnboarding {
     fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let enrolled_in_trial = matches!(
-            self.user_store.read(cx).current_plan(),
-            Some(proto::Plan::ZedProTrial)
-        );
-
-        let is_pro_user = matches!(
-            self.user_store.read(cx).current_plan(),
-            Some(proto::Plan::ZedPro)
-        );
+        let enrolled_in_trial = self.user_store.read(cx).plan() == Some(Plan::ZedProTrial);
+        let is_pro_user = self.user_store.read(cx).plan() == Some(Plan::ZedPro);
 
         AgentPanelOnboardingCard::new()
             .child(
@@ -80,7 +74,7 @@ impl Render for AgentPanelOnboarding {
                 }),
             )
             .map(|this| {
-                if enrolled_in_trial || is_pro_user || self.configured_providers.len() >= 1 {
+                if enrolled_in_trial || is_pro_user || !self.configured_providers.is_empty() {
                     this
                 } else {
                     this.child(ApiKeysWithoutProviders::new())
diff --git a/crates/ai_onboarding/src/ai_onboarding.rs b/crates/ai_onboarding/src/ai_onboarding.rs
index 3aec9c62cd..6d8ac64725 100644
--- a/crates/ai_onboarding/src/ai_onboarding.rs
+++ b/crates/ai_onboarding/src/ai_onboarding.rs
@@ -3,58 +3,23 @@ mod agent_panel_onboarding_card;
 mod agent_panel_onboarding_content;
 mod ai_upsell_card;
 mod edit_prediction_onboarding_content;
+mod plan_definitions;
 mod young_account_banner;
 
 pub use agent_api_keys_onboarding::{ApiKeysWithProviders, ApiKeysWithoutProviders};
 pub use agent_panel_onboarding_card::AgentPanelOnboardingCard;
 pub use agent_panel_onboarding_content::AgentPanelOnboarding;
 pub use ai_upsell_card::AiUpsellCard;
+use cloud_llm_client::Plan;
 pub use edit_prediction_onboarding_content::EditPredictionOnboarding;
+pub use plan_definitions::PlanDefinitions;
 pub use young_account_banner::YoungAccountBanner;
 
 use std::sync::Arc;
 
 use client::{Client, UserStore, zed_urls};
-use gpui::{AnyElement, Entity, IntoElement, ParentElement, SharedString};
-use ui::{Divider, List, ListItem, RegisterComponent, TintColor, Tooltip, prelude::*};
-
-#[derive(IntoElement)]
-pub struct BulletItem {
-    label: SharedString,
-}
-
-impl BulletItem {
-    pub fn new(label: impl Into<SharedString>) -> Self {
-        Self {
-            label: label.into(),
-        }
-    }
-}
-
-impl RenderOnce for BulletItem {
-    fn render(self, window: &mut Window, _cx: &mut App) -> impl IntoElement {
-        let line_height = 0.85 * window.line_height();
-
-        ListItem::new("list-item")
-            .selectable(false)
-            .child(
-                h_flex()
-                    .w_full()
-                    .min_w_0()
-                    .gap_1()
-                    .items_start()
-                    .child(
-                        h_flex().h(line_height).justify_center().child(
-                            Icon::new(IconName::Dash)
-                                .size(IconSize::XSmall)
-                                .color(Color::Hidden),
-                        ),
-                    )
-                    .child(div().w_full().min_w_0().child(Label::new(self.label))),
-            )
-            .into_any_element()
-    }
-}
+use gpui::{AnyElement, Entity, IntoElement, ParentElement};
+use ui::{Divider, RegisterComponent, Tooltip, prelude::*};
 
 #[derive(PartialEq)]
 pub enum SignInStatus {
@@ -78,12 +43,10 @@ impl From<client::Status> for SignInStatus {
 #[derive(RegisterComponent, IntoElement)]
 pub struct ZedAiOnboarding {
     pub sign_in_status: SignInStatus,
-    pub has_accepted_terms_of_service: bool,
-    pub plan: Option<proto::Plan>,
+    pub plan: Option<Plan>,
     pub account_too_young: bool,
     pub continue_with_zed_ai: Arc<dyn Fn(&mut Window, &mut App)>,
     pub sign_in: Arc<dyn Fn(&mut Window, &mut App)>,
-    pub accept_terms_of_service: Arc<dyn Fn(&mut Window, &mut App)>,
     pub dismiss_onboarding: Option<Arc<dyn Fn(&mut Window, &mut App)>>,
 }
 
@@ -99,25 +62,15 @@ impl ZedAiOnboarding {
 
         Self {
             sign_in_status: status.into(),
-            has_accepted_terms_of_service: store.current_user_has_accepted_terms().unwrap_or(false),
-            plan: store.current_plan(),
+            plan: store.plan(),
             account_too_young: store.account_too_young(),
             continue_with_zed_ai,
-            accept_terms_of_service: Arc::new({
-                let store = user_store.clone();
-                move |_window, cx| {
-                    let task = store.update(cx, |store, cx| store.accept_terms_of_service(cx));
-                    task.detach_and_log_err(cx);
-                }
-            }),
             sign_in: Arc::new(move |_window, cx| {
                 cx.spawn({
                     let client = client.clone();
-                    async move |cx| {
-                        client.authenticate_and_connect(true, cx).await;
-                    }
+                    async move |cx| client.sign_in_with_optional_connect(true, cx).await
                 })
-                .detach();
+                .detach_and_log_err(cx);
             }),
             dismiss_onboarding: None,
         }
@@ -131,145 +84,9 @@ impl ZedAiOnboarding {
         self
     }
 
-    fn free_plan_definition(&self, cx: &mut App) -> impl IntoElement {
-        v_flex()
-            .mt_2()
-            .gap_1()
-            .child(
-                h_flex()
-                    .gap_2()
-                    .child(
-                        Label::new("Free")
-                            .size(LabelSize::Small)
-                            .color(Color::Muted)
-                            .buffer_font(cx),
-                    )
-                    .child(
-                        Label::new("(Current Plan)")
-                            .size(LabelSize::Small)
-                            .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.6)))
-                            .buffer_font(cx),
-                    )
-                    .child(Divider::horizontal()),
-            )
-            .child(
-                List::new()
-                    .child(BulletItem::new("50 prompts per month with Claude models"))
-                    .child(BulletItem::new(
-                        "2,000 accepted edit predictions with Zeta, our open-source model",
-                    )),
-            )
-    }
-
-    fn pro_trial_definition(&self) -> impl IntoElement {
-        List::new()
-            .child(BulletItem::new("150 prompts with Claude models"))
-            .child(BulletItem::new(
-                "Unlimited accepted edit predictions with Zeta, our open-source model",
-            ))
-    }
-
-    fn pro_plan_definition(&self, cx: &mut App) -> impl IntoElement {
-        v_flex().mt_2().gap_1().map(|this| {
-            if self.account_too_young {
-                this.child(
-                    h_flex()
-                        .gap_2()
-                        .child(
-                            Label::new("Pro")
-                                .size(LabelSize::Small)
-                                .color(Color::Accent)
-                                .buffer_font(cx),
-                        )
-                        .child(Divider::horizontal()),
-                )
-                .child(
-                    List::new()
-                        .child(BulletItem::new("500 prompts per month with Claude models"))
-                        .child(BulletItem::new(
-                            "Unlimited accepted edit predictions with Zeta, our open-source model",
-                        ))
-                        .child(BulletItem::new("$20 USD per month")),
-                )
-                .child(
-                    Button::new("pro", "Get Started")
-                        .full_width()
-                        .style(ButtonStyle::Tinted(ui::TintColor::Accent))
-                        .on_click(move |_, _window, cx| {
-                            telemetry::event!("Upgrade To Pro Clicked", state = "young-account");
-                            cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx))
-                        }),
-                )
-            } else {
-                this.child(
-                    h_flex()
-                        .gap_2()
-                        .child(
-                            Label::new("Pro Trial")
-                                .size(LabelSize::Small)
-                                .color(Color::Accent)
-                                .buffer_font(cx),
-                        )
-                        .child(Divider::horizontal()),
-                )
-                .child(
-                    List::new()
-                        .child(self.pro_trial_definition())
-                        .child(BulletItem::new(
-                            "Try it out for 14 days for free, no credit card required",
-                        )),
-                )
-                .child(
-                    Button::new("pro", "Start Free Trial")
-                        .full_width()
-                        .style(ButtonStyle::Tinted(ui::TintColor::Accent))
-                        .on_click(move |_, _window, cx| {
-                            telemetry::event!("Start Trial Clicked", state = "post-sign-in");
-                            cx.open_url(&zed_urls::start_trial_url(cx))
-                        }),
-                )
-            }
-        })
-    }
-
-    fn render_accept_terms_of_service(&self) -> AnyElement {
-        v_flex()
-            .gap_1()
-            .w_full()
-            .child(Headline::new("Accept Terms of Service"))
-            .child(
-                Label::new("We don’t sell your data, track you across the web, or compromise your privacy.")
-                    .color(Color::Muted)
-                    .mb_2(),
-            )
-            .child(
-                Button::new("terms_of_service", "Review Terms of Service")
-                    .full_width()
-                    .style(ButtonStyle::Outlined)
-                    .icon(IconName::ArrowUpRight)
-                    .icon_color(Color::Muted)
-                    .icon_size(IconSize::XSmall)
-                    .on_click(move |_, _window, cx| {
-                        telemetry::event!("Review Terms of Service Clicked");
-                        cx.open_url(&zed_urls::terms_of_service(cx))
-                    }),
-            )
-            .child(
-                Button::new("accept_terms", "Accept")
-                    .full_width()
-                    .style(ButtonStyle::Tinted(TintColor::Accent))
-                    .on_click({
-                        let callback = self.accept_terms_of_service.clone();
-                        move |_, window, cx| {
-                            telemetry::event!("Terms of Service Accepted");
-                            (callback)(window, cx)}
-                    }),
-            )
-            .into_any_element()
-    }
-
     fn render_sign_in_disclaimer(&self, _cx: &mut App) -> AnyElement {
         let signing_in = matches!(self.sign_in_status, SignInStatus::SigningIn);
+        let plan_definitions = PlanDefinitions;
 
         v_flex()
             .gap_1()
@@ -279,7 +96,7 @@ impl ZedAiOnboarding {
                     .color(Color::Muted)
                     .mb_2(),
             )
-            .child(self.pro_trial_definition())
+            .child(plan_definitions.pro_plan(false))
             .child(
                 Button::new("sign_in", "Try Zed Pro for Free")
                     .disabled(signing_in)
@@ -298,43 +115,132 @@ impl ZedAiOnboarding {
 
     fn render_free_plan_state(&self, cx: &mut App) -> AnyElement {
         let young_account_banner = YoungAccountBanner;
+        let plan_definitions = PlanDefinitions;
 
-        v_flex()
-            .relative()
-            .gap_1()
-            .child(Headline::new("Welcome to Zed AI"))
-            .map(|this| {
-                if self.account_too_young {
-                    this.child(young_account_banner)
-                } else {
-                    this.child(self.free_plan_definition(cx)).when_some(
-                        self.dismiss_onboarding.as_ref(),
-                        |this, dismiss_callback| {
-                            let callback = dismiss_callback.clone();
+        if self.account_too_young {
+            v_flex()
+                .relative()
+                .max_w_full()
+                .gap_1()
+                .child(Headline::new("Welcome to Zed AI"))
+                .child(young_account_banner)
+                .child(
+                    v_flex()
+                        .mt_2()
+                        .gap_1()
+                        .child(
+                            h_flex()
+                                .gap_2()
+                                .child(
+                                    Label::new("Pro")
+                                        .size(LabelSize::Small)
+                                        .color(Color::Accent)
+                                        .buffer_font(cx),
+                                )
+                                .child(Divider::horizontal()),
+                        )
+                        .child(plan_definitions.pro_plan(true))
+                        .child(
+                            Button::new("pro", "Get Started")
+                                .full_width()
+                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
+                                .on_click(move |_, _window, cx| {
+                                    telemetry::event!(
+                                        "Upgrade To Pro Clicked",
+                                        state = "young-account"
+                                    );
+                                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx))
+                                }),
+                        ),
+                )
+                .into_any_element()
+        } else {
+            v_flex()
+                .relative()
+                .gap_1()
+                .child(Headline::new("Welcome to Zed AI"))
+                .child(
+                    v_flex()
+                        .mt_2()
+                        .gap_1()
+                        .child(
+                            h_flex()
+                                .gap_2()
+                                .child(
+                                    Label::new("Free")
+                                        .size(LabelSize::Small)
+                                        .color(Color::Muted)
+                                        .buffer_font(cx),
+                                )
+                                .child(
+                                    Label::new("(Current Plan)")
+                                        .size(LabelSize::Small)
+                                        .color(Color::Custom(
+                                            cx.theme().colors().text_muted.opacity(0.6),
+                                        ))
+                                        .buffer_font(cx),
+                                )
+                                .child(Divider::horizontal()),
+                        )
+                        .child(plan_definitions.free_plan()),
+                )
+                .when_some(
+                    self.dismiss_onboarding.as_ref(),
+                    |this, dismiss_callback| {
+                        let callback = dismiss_callback.clone();
 
-                            this.child(
-                                h_flex().absolute().top_0().right_0().child(
-                                    IconButton::new("dismiss_onboarding", IconName::Close)
-                                        .icon_size(IconSize::Small)
-                                        .tooltip(Tooltip::text("Dismiss"))
-                                        .on_click(move |_, window, cx| {
-                                            telemetry::event!(
-                                                "Banner Dismissed",
-                                                source = "AI Onboarding",
-                                            );
-                                            callback(window, cx)
-                                        }),
-                                ),
-                            )
-                        },
-                    )
-                }
-            })
-            .child(self.pro_plan_definition(cx))
-            .into_any_element()
+                        this.child(
+                            h_flex().absolute().top_0().right_0().child(
+                                IconButton::new("dismiss_onboarding", IconName::Close)
+                                    .icon_size(IconSize::Small)
+                                    .tooltip(Tooltip::text("Dismiss"))
+                                    .on_click(move |_, window, cx| {
+                                        telemetry::event!(
+                                            "Banner Dismissed",
+                                            source = "AI Onboarding",
+                                        );
+                                        callback(window, cx)
+                                    }),
+                            ),
+                        )
+                    },
+                )
+                .child(
+                    v_flex()
+                        .mt_2()
+                        .gap_1()
+                        .child(
+                            h_flex()
+                                .gap_2()
+                                .child(
+                                    Label::new("Pro Trial")
+                                        .size(LabelSize::Small)
+                                        .color(Color::Accent)
+                                        .buffer_font(cx),
+                                )
+                                .child(Divider::horizontal()),
+                        )
+                        .child(plan_definitions.pro_trial(true))
+                        .child(
+                            Button::new("pro", "Start Free Trial")
+                                .full_width()
+                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
+                                .on_click(move |_, _window, cx| {
+                                    telemetry::event!(
+                                        "Start Trial Clicked",
+                                        state = "post-sign-in"
+                                    );
+                                    cx.open_url(&zed_urls::start_trial_url(cx))
+                                }),
+                        ),
+                )
+                .into_any_element()
+        }
     }
 
     fn render_trial_state(&self, _cx: &mut App) -> AnyElement {
+        let plan_definitions = PlanDefinitions;
+
         v_flex()
             .relative()
             .gap_1()
@@ -344,13 +250,7 @@ impl ZedAiOnboarding {
                     .color(Color::Muted)
                     .mb_2(),
             )
-            .child(
-                List::new()
-                    .child(BulletItem::new("150 prompts with Claude models"))
-                    .child(BulletItem::new(
-                        "Unlimited edit predictions with Zeta, our open-source model",
-                    )),
-            )
+            .child(plan_definitions.pro_trial(false))
             .when_some(
                 self.dismiss_onboarding.as_ref(),
                 |this, dismiss_callback| {
@@ -375,6 +275,8 @@ impl ZedAiOnboarding {
     }
 
     fn render_pro_plan_state(&self, _cx: &mut App) -> AnyElement {
+        let plan_definitions = PlanDefinitions;
+
         v_flex()
             .gap_1()
             .child(Headline::new("Welcome to Zed Pro"))
@@ -383,24 +285,26 @@ impl ZedAiOnboarding {
                     .color(Color::Muted)
                     .mb_2(),
             )
-            .child(
-                List::new()
-                    .child(BulletItem::new("500 prompts with Claude models"))
-                    .child(BulletItem::new(
-                        "Unlimited edit predictions with Zeta, our open-source model",
-                    )),
-            )
-            .child(
-                Button::new("pro", "Continue with Zed Pro")
-                    .full_width()
-                    .style(ButtonStyle::Outlined)
-                    .on_click({
-                        let callback = self.continue_with_zed_ai.clone();
-                        move |_, window, cx| {
-                            telemetry::event!("Banner Dismissed", source = "AI Onboarding");
-                            callback(window, cx)
-                        }
-                    }),
+            .child(plan_definitions.pro_plan(false))
+            .when_some(
+                self.dismiss_onboarding.as_ref(),
+                |this, dismiss_callback| {
+                    let callback = dismiss_callback.clone();
+                    this.child(
+                        h_flex().absolute().top_0().right_0().child(
+                            IconButton::new("dismiss_onboarding", IconName::Close)
+                                .icon_size(IconSize::Small)
+                                .tooltip(Tooltip::text("Dismiss"))
+                                .on_click(move |_, window, cx| {
+                                    telemetry::event!(
+                                        "Banner Dismissed",
+                                        source = "AI Onboarding",
+                                    );
+                                    callback(window, cx)
+                                }),
+                        ),
+                    )
+                },
             )
             .into_any_element()
     }
@@ -409,14 +313,10 @@ impl ZedAiOnboarding {
 impl RenderOnce for ZedAiOnboarding {
     fn render(self, _window: &mut ui::Window, cx: &mut App) -> impl IntoElement {
         if matches!(self.sign_in_status, SignInStatus::SignedIn) {
-            if self.has_accepted_terms_of_service {
-                match self.plan {
-                    None | Some(proto::Plan::Free) => self.render_free_plan_state(cx),
-                    Some(proto::Plan::ZedProTrial) => self.render_trial_state(cx),
-                    Some(proto::Plan::ZedPro) => self.render_pro_plan_state(cx),
-                }
-            } else {
-                self.render_accept_terms_of_service()
+            match self.plan {
+                None | Some(Plan::ZedFree) => self.render_free_plan_state(cx),
+                Some(Plan::ZedProTrial) => self.render_trial_state(cx),
+                Some(Plan::ZedPro) => self.render_pro_plan_state(cx),
             }
         } else {
             self.render_sign_in_disclaimer(cx)
@@ -426,24 +326,29 @@ impl RenderOnce for ZedAiOnboarding {
 
 impl Component for ZedAiOnboarding {
     fn scope() -> ComponentScope {
-        ComponentScope::Agent
+        ComponentScope::Onboarding
+    }
+
+    fn name() -> &'static str {
+        "Agent Panel Banners"
+    }
+
+    fn sort_name() -> &'static str {
+        "Agent Panel Banners"
     }
 
     fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
         fn onboarding(
             sign_in_status: SignInStatus,
-            has_accepted_terms_of_service: bool,
-            plan: Option<proto::Plan>,
+            plan: Option<Plan>,
             account_too_young: bool,
         ) -> AnyElement {
             ZedAiOnboarding {
                 sign_in_status,
-                has_accepted_terms_of_service,
                 plan,
                 account_too_young,
                 continue_with_zed_ai: Arc::new(|_, _| {}),
                 sign_in: Arc::new(|_, _| {}),
-                accept_terms_of_service: Arc::new(|_, _| {}),
                 dismiss_onboarding: None,
             }
             .into_any_element()
@@ -451,42 +356,29 @@ impl Component for ZedAiOnboarding {
 
         Some(
             v_flex()
-                .p_4()
                 .gap_4()
+                .items_center()
+                .max_w_4_5()
                 .children(vec![
                     single_example(
                         "Not Signed-in",
-                        onboarding(SignInStatus::SignedOut, false, None, false),
+                        onboarding(SignInStatus::SignedOut, None, false),
                     ),
                     single_example(
-                        "Not Accepted ToS",
-                        onboarding(SignInStatus::SignedIn, false, None, false),
-                    ),
-                    single_example(
-                        "Account too young",
-                        onboarding(SignInStatus::SignedIn, false, None, true),
+                        "Young Account",
+                        onboarding(SignInStatus::SignedIn, None, true),
                     ),
                     single_example(
                         "Free Plan",
-                        onboarding(SignInStatus::SignedIn, true, Some(proto::Plan::Free), false),
+                        onboarding(SignInStatus::SignedIn, Some(Plan::ZedFree), false),
                     ),
                     single_example(
                         "Pro Trial",
-                        onboarding(
-                            SignInStatus::SignedIn,
-                            true,
-                            Some(proto::Plan::ZedProTrial),
-                            false,
-                        ),
+                        onboarding(SignInStatus::SignedIn, Some(Plan::ZedProTrial), false),
                     ),
                     single_example(
                         "Pro Plan",
-                        onboarding(
-                            SignInStatus::SignedIn,
-                            true,
-                            Some(proto::Plan::ZedPro),
-                            false,
-                        ),
+                        onboarding(SignInStatus::SignedIn, Some(Plan::ZedPro), false),
                     ),
                 ])
                 .into_any_element(),
diff --git a/crates/ai_onboarding/src/ai_upsell_card.rs b/crates/ai_onboarding/src/ai_upsell_card.rs
index 041e0d87ec..106dcb0aef 100644
--- a/crates/ai_onboarding/src/ai_upsell_card.rs
+++ b/crates/ai_onboarding/src/ai_upsell_card.rs
@@ -1,39 +1,62 @@
-use std::sync::Arc;
+use std::{sync::Arc, time::Duration};
 
-use client::{Client, zed_urls};
-use gpui::{AnyElement, App, IntoElement, RenderOnce, Window};
-use ui::{Divider, List, Vector, VectorName, prelude::*};
+use client::{Client, UserStore, zed_urls};
+use cloud_llm_client::Plan;
+use gpui::{
+    Animation, AnimationExt, AnyElement, App, Entity, IntoElement, RenderOnce, Transformation,
+    Window, percentage,
+};
+use ui::{Divider, Vector, VectorName, prelude::*};
 
-use crate::{BulletItem, SignInStatus};
+use crate::{SignInStatus, YoungAccountBanner, plan_definitions::PlanDefinitions};
 
 #[derive(IntoElement, RegisterComponent)]
 pub struct AiUpsellCard {
-    pub sign_in_status: SignInStatus,
-    pub sign_in: Arc<dyn Fn(&mut Window, &mut App)>,
+    sign_in_status: SignInStatus,
+    sign_in: Arc<dyn Fn(&mut Window, &mut App)>,
+    account_too_young: bool,
+    user_plan: Option<Plan>,
+    tab_index: Option<isize>,
 }
 
 impl AiUpsellCard {
-    pub fn new(client: Arc<Client>) -> Self {
+    pub fn new(
+        client: Arc<Client>,
+        user_store: &Entity<UserStore>,
+        user_plan: Option<Plan>,
+        cx: &mut App,
+    ) -> Self {
         let status = *client.status().borrow();
+        let store = user_store.read(cx);
 
         Self {
+            user_plan,
             sign_in_status: status.into(),
             sign_in: Arc::new(move |_window, cx| {
                 cx.spawn({
                     let client = client.clone();
-                    async move |cx| {
-                        client.authenticate_and_connect(true, cx).await;
-                    }
+                    async move |cx| client.sign_in_with_optional_connect(true, cx).await
                 })
-                .detach();
+                .detach_and_log_err(cx);
             }),
+            account_too_young: store.account_too_young(),
+            tab_index: None,
         }
     }
+
+    pub fn tab_index(mut self, tab_index: Option<isize>) -> Self {
+        self.tab_index = tab_index;
+        self
+    }
 }
 
 impl RenderOnce for AiUpsellCard {
     fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
+        let plan_definitions = PlanDefinitions;
+        let young_account_banner = YoungAccountBanner;
+
         let pro_section = v_flex()
+            .flex_grow()
             .w_full()
             .gap_1()
             .child(
@@ -47,15 +70,10 @@ impl RenderOnce for AiUpsellCard {
                     )
                     .child(Divider::horizontal()),
             )
-            .child(
-                List::new()
-                    .child(BulletItem::new("500 prompts with Claude models"))
-                    .child(BulletItem::new(
-                        "Unlimited edit predictions with Zeta, our open-source model",
-                    )),
-            );
+            .child(plan_definitions.pro_plan(false));
 
         let free_section = v_flex()
+            .flex_grow()
             .w_full()
             .gap_1()
             .child(
@@ -69,11 +87,7 @@ impl RenderOnce for AiUpsellCard {
                     )
                     .child(Divider::horizontal()),
             )
-            .child(
-                List::new()
-                    .child(BulletItem::new("50 prompts with the Claude models"))
-                    .child(BulletItem::new("2,000 accepted edit predictions")),
-            );
+            .child(plan_definitions.free_plan());
 
         let grid_bg = h_flex().absolute().inset_0().w_full().h(px(240.)).child(
             Vector::new(VectorName::Grid, rems_from_px(500.), rems_from_px(240.))
@@ -96,68 +110,181 @@ impl RenderOnce for AiUpsellCard {
                 ),
             ));
 
-        const DESCRIPTION: &str = "Zed offers a complete agentic experience, with robust editing and reviewing features to collaborate with AI.";
+        let description = PlanDefinitions::AI_DESCRIPTION;
 
-        let footer_buttons = match self.sign_in_status {
-            SignInStatus::SignedIn => v_flex()
-                .items_center()
-                .gap_1()
-                .child(
-                    Button::new("sign_in", "Start 14-day Free Pro Trial")
-                        .full_width()
-                        .style(ButtonStyle::Tinted(ui::TintColor::Accent))
-                        .on_click(move |_, _window, cx| {
-                            telemetry::event!("Start Trial Clicked", state = "post-sign-in");
-                            cx.open_url(&zed_urls::start_trial_url(cx))
-                        }),
-                )
-                .child(
-                    Label::new("No credit card required")
-                        .size(LabelSize::Small)
-                        .color(Color::Muted),
-                )
-                .into_any_element(),
-            _ => Button::new("sign_in", "Sign In")
-                .full_width()
-                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
-                .on_click({
-                    let callback = self.sign_in.clone();
-                    move |_, window, cx| {
-                        telemetry::event!("Start Trial Clicked", state = "pre-sign-in");
-                        callback(window, cx)
-                    }
-                })
-                .into_any_element(),
-        };
-
-        v_flex()
+        let card = v_flex()
             .relative()
-            .p_6()
-            .pt_4()
+            .flex_grow()
+            .p_4()
+            .pt_3()
             .border_1()
             .border_color(cx.theme().colors().border)
             .rounded_lg()
             .overflow_hidden()
             .child(grid_bg)
-            .child(gradient_bg)
-            .child(Headline::new("Try Zed AI"))
-            .child(Label::new(DESCRIPTION).color(Color::Muted).mb_2())
+            .child(gradient_bg);
+
+        let plans_section = h_flex()
+            .w_full()
+            .mt_1p5()
+            .mb_2p5()
+            .items_start()
+            .gap_6()
+            .child(free_section)
+            .child(pro_section);
+
+        let footer_container = v_flex().items_center().gap_1();
+
+        let certified_user_stamp = div()
+            .absolute()
+            .top_2()
+            .right_2()
+            .size(rems_from_px(72.))
             .child(
-                h_flex()
-                    .mt_1p5()
-                    .mb_2p5()
-                    .items_start()
-                    .gap_12()
-                    .child(free_section)
-                    .child(pro_section),
-            )
-            .child(footer_buttons)
+                Vector::new(
+                    VectorName::ProUserStamp,
+                    rems_from_px(72.),
+                    rems_from_px(72.),
+                )
+                .color(Color::Custom(cx.theme().colors().text_accent.alpha(0.3)))
+                .with_animation(
+                    "loading_stamp",
+                    Animation::new(Duration::from_secs(10)).repeat(),
+                    |this, delta| this.transform(Transformation::rotate(percentage(delta))),
+                ),
+            );
+
+        let pro_trial_stamp = div()
+            .absolute()
+            .top_2()
+            .right_2()
+            .size(rems_from_px(72.))
+            .child(
+                Vector::new(
+                    VectorName::ProTrialStamp,
+                    rems_from_px(72.),
+                    rems_from_px(72.),
+                )
+                .color(Color::Custom(cx.theme().colors().text.alpha(0.2))),
+            );
+
+        match self.sign_in_status {
+            SignInStatus::SignedIn => match self.user_plan {
+                None | Some(Plan::ZedFree) => card
+                    .child(Label::new("Try Zed AI").size(LabelSize::Large))
+                    .map(|this| {
+                        if self.account_too_young {
+                            this.child(young_account_banner).child(
+                                v_flex()
+                                    .mt_2()
+                                    .gap_1()
+                                    .child(
+                                        h_flex()
+                                            .gap_2()
+                                            .child(
+                                                Label::new("Pro")
+                                                    .size(LabelSize::Small)
+                                                    .color(Color::Accent)
+                                                    .buffer_font(cx),
+                                            )
+                                            .child(Divider::horizontal()),
+                                    )
+                                    .child(plan_definitions.pro_plan(true))
+                                    .child(
+                                        Button::new("pro", "Get Started")
+                                            .full_width()
+                                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
+                                            .on_click(move |_, _window, cx| {
+                                                telemetry::event!(
+                                                    "Upgrade To Pro Clicked",
+                                                    state = "young-account"
+                                                );
+                                                cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx))
+                                            }),
+                                    ),
+                            )
+                        } else {
+                            this.child(
+                                div()
+                                    .max_w_3_4()
+                                    .mb_2()
+                                    .child(Label::new(description).color(Color::Muted)),
+                            )
+                            .child(plans_section)
+                            .child(
+                                footer_container
+                                    .child(
+                                        Button::new("start_trial", "Start 14-day Free Pro Trial")
+                                            .full_width()
+                                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
+                                            .when_some(self.tab_index, |this, tab_index| {
+                                                this.tab_index(tab_index)
+                                            })
+                                            .on_click(move |_, _window, cx| {
+                                                telemetry::event!(
+                                                    "Start Trial Clicked",
+                                                    state = "post-sign-in"
+                                                );
+                                                cx.open_url(&zed_urls::start_trial_url(cx))
+                                            }),
+                                    )
+                                    .child(
+                                        Label::new("No credit card required")
+                                            .size(LabelSize::Small)
+                                            .color(Color::Muted),
+                                    ),
+                            )
+                        }
+                    }),
+                Some(Plan::ZedProTrial) => card
+                    .child(pro_trial_stamp)
+                    .child(Label::new("You're in the Zed Pro Trial").size(LabelSize::Large))
+                    .child(
+                        Label::new("Here's what you get for the next 14 days:")
+                            .color(Color::Muted)
+                            .mb_2(),
+                    )
+                    .child(plan_definitions.pro_trial(false)),
+                Some(Plan::ZedPro) => card
+                    .child(certified_user_stamp)
+                    .child(Label::new("You're in the Zed Pro plan").size(LabelSize::Large))
+                    .child(
+                        Label::new("Here's what you get:")
+                            .color(Color::Muted)
+                            .mb_2(),
+                    )
+                    .child(plan_definitions.pro_plan(false)),
+            },
+            // Signed Out State
+            _ => card
+                .child(Label::new("Try Zed AI").size(LabelSize::Large))
+                .child(
+                    div()
+                        .max_w_3_4()
+                        .mb_2()
+                        .child(Label::new(description).color(Color::Muted)),
+                )
+                .child(plans_section)
+                .child(
+                    Button::new("sign_in", "Sign In")
+                        .full_width()
+                        .style(ButtonStyle::Tinted(ui::TintColor::Accent))
+                        .when_some(self.tab_index, |this, tab_index| this.tab_index(tab_index))
+                        .on_click({
+                            let callback = self.sign_in.clone();
+                            move |_, window, cx| {
+                                telemetry::event!("Start Trial Clicked", state = "pre-sign-in");
+                                callback(window, cx)
+                            }
+                        }),
+                ),
+        }
     }
 }
 
 impl Component for AiUpsellCard {
     fn scope() -> ComponentScope {
-        ComponentScope::Agent
+        ComponentScope::Onboarding
     }
 
     fn name() -> &'static str {
@@ -175,26 +302,69 @@ impl Component for AiUpsellCard {
     fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
         Some(
             v_flex()
-                .p_4()
                 .gap_4()
-                .children(vec![example_group(vec![
-                    single_example(
-                        "Signed Out State",
-                        AiUpsellCard {
-                            sign_in_status: SignInStatus::SignedOut,
-                            sign_in: Arc::new(|_, _| {}),
-                        }
-                        .into_any_element(),
-                    ),
-                    single_example(
-                        "Signed In State",
-                        AiUpsellCard {
-                            sign_in_status: SignInStatus::SignedIn,
-                            sign_in: Arc::new(|_, _| {}),
-                        }
-                        .into_any_element(),
-                    ),
-                ])])
+                .items_center()
+                .max_w_4_5()
+                .child(single_example(
+                    "Signed Out State",
+                    AiUpsellCard {
+                        sign_in_status: SignInStatus::SignedOut,
+                        sign_in: Arc::new(|_, _| {}),
+                        account_too_young: false,
+                        user_plan: None,
+                        tab_index: Some(0),
+                    }
+                    .into_any_element(),
+                ))
+                .child(example_group_with_title(
+                    "Signed In States",
+                    vec![
+                        single_example(
+                            "Free Plan",
+                            AiUpsellCard {
+                                sign_in_status: SignInStatus::SignedIn,
+                                sign_in: Arc::new(|_, _| {}),
+                                account_too_young: false,
+                                user_plan: Some(Plan::ZedFree),
+                                tab_index: Some(1),
+                            }
+                            .into_any_element(),
+                        ),
+                        single_example(
+                            "Free Plan but Young Account",
+                            AiUpsellCard {
+                                sign_in_status: SignInStatus::SignedIn,
+                                sign_in: Arc::new(|_, _| {}),
+                                account_too_young: true,
+                                user_plan: Some(Plan::ZedFree),
+                                tab_index: Some(1),
+                            }
+                            .into_any_element(),
+                        ),
+                        single_example(
+                            "Pro Trial",
+                            AiUpsellCard {
+                                sign_in_status: SignInStatus::SignedIn,
+                                sign_in: Arc::new(|_, _| {}),
+                                account_too_young: false,
+                                user_plan: Some(Plan::ZedProTrial),
+                                tab_index: Some(1),
+                            }
+                            .into_any_element(),
+                        ),
+                        single_example(
+                            "Pro Plan",
+                            AiUpsellCard {
+                                sign_in_status: SignInStatus::SignedIn,
+                                sign_in: Arc::new(|_, _| {}),
+                                account_too_young: false,
+                                user_plan: Some(Plan::ZedPro),
+                                tab_index: Some(1),
+                            }
+                            .into_any_element(),
+                        ),
+                    ],
+                ))
                 .into_any_element(),
         )
     }
diff --git a/crates/ai_onboarding/src/plan_definitions.rs b/crates/ai_onboarding/src/plan_definitions.rs
new file mode 100644
index 0000000000..8d66f6c356
--- /dev/null
+++ b/crates/ai_onboarding/src/plan_definitions.rs
@@ -0,0 +1,39 @@
+use gpui::{IntoElement, ParentElement};
+use ui::{List, ListBulletItem, prelude::*};
+
+/// Centralized definitions for Zed AI plans
+pub struct PlanDefinitions;
+
+impl PlanDefinitions {
+    pub const AI_DESCRIPTION: &'static str = "Zed offers a complete agentic experience, with robust editing and reviewing features to collaborate with AI.";
+
+    pub fn free_plan(&self) -> impl IntoElement {
+        List::new()
+            .child(ListBulletItem::new("50 prompts with Claude models"))
+            .child(ListBulletItem::new("2,000 accepted edit predictions"))
+    }
+
+    pub fn pro_trial(&self, period: bool) -> impl IntoElement {
+        List::new()
+            .child(ListBulletItem::new("150 prompts with Claude models"))
+            .child(ListBulletItem::new(
+                "Unlimited edit predictions with Zeta, our open-source model",
+            ))
+            .when(period, |this| {
+                this.child(ListBulletItem::new(
+                    "Try it out for 14 days for free, no credit card required",
+                ))
+            })
+    }
+
+    pub fn pro_plan(&self, price: bool) -> impl IntoElement {
+        List::new()
+            .child(ListBulletItem::new("500 prompts with Claude models"))
+            .child(ListBulletItem::new(
+                "Unlimited edit predictions with Zeta, our open-source model",
+            ))
+            .when(price, |this| {
+                this.child(ListBulletItem::new("$20 USD per month"))
+            })
+    }
+}
diff --git a/crates/ai_onboarding/src/young_account_banner.rs b/crates/ai_onboarding/src/young_account_banner.rs
index a43625a60e..ed9a6b3b35 100644
--- a/crates/ai_onboarding/src/young_account_banner.rs
+++ b/crates/ai_onboarding/src/young_account_banner.rs
@@ -15,7 +15,8 @@ impl RenderOnce for YoungAccountBanner {
             .child(YOUNG_ACCOUNT_DISCLAIMER);
 
         div()
+            .max_w_full()
             .my_1()
-            .child(Banner::new().severity(ui::Severity::Warning).child(label))
+            .child(Banner::new().severity(Severity::Warning).child(label))
     }
 }
diff --git a/crates/anthropic/src/anthropic.rs b/crates/anthropic/src/anthropic.rs
index c73f606045..3ff1666755 100644
--- a/crates/anthropic/src/anthropic.rs
+++ b/crates/anthropic/src/anthropic.rs
@@ -36,11 +36,18 @@ pub enum AnthropicModelMode {
 pub enum Model {
     #[serde(rename = "claude-opus-4", alias = "claude-opus-4-latest")]
     ClaudeOpus4,
+    #[serde(rename = "claude-opus-4-1", alias = "claude-opus-4-1-latest")]
+    ClaudeOpus4_1,
     #[serde(
         rename = "claude-opus-4-thinking",
         alias = "claude-opus-4-thinking-latest"
     )]
     ClaudeOpus4Thinking,
+    #[serde(
+        rename = "claude-opus-4-1-thinking",
+        alias = "claude-opus-4-1-thinking-latest"
+    )]
+    ClaudeOpus4_1Thinking,
     #[default]
     #[serde(rename = "claude-sonnet-4", alias = "claude-sonnet-4-latest")]
     ClaudeSonnet4,
@@ -91,10 +98,18 @@ impl Model {
     }
 
     pub fn from_id(id: &str) -> Result<Self> {
+        if id.starts_with("claude-opus-4-1-thinking") {
+            return Ok(Self::ClaudeOpus4_1Thinking);
+        }
+
         if id.starts_with("claude-opus-4-thinking") {
             return Ok(Self::ClaudeOpus4Thinking);
         }
 
+        if id.starts_with("claude-opus-4-1") {
+            return Ok(Self::ClaudeOpus4_1);
+        }
+
         if id.starts_with("claude-opus-4") {
             return Ok(Self::ClaudeOpus4);
         }
@@ -141,7 +156,9 @@ impl Model {
     pub fn id(&self) -> &str {
         match self {
             Self::ClaudeOpus4 => "claude-opus-4-latest",
+            Self::ClaudeOpus4_1 => "claude-opus-4-1-latest",
             Self::ClaudeOpus4Thinking => "claude-opus-4-thinking-latest",
+            Self::ClaudeOpus4_1Thinking => "claude-opus-4-1-thinking-latest",
             Self::ClaudeSonnet4 => "claude-sonnet-4-latest",
             Self::ClaudeSonnet4Thinking => "claude-sonnet-4-thinking-latest",
             Self::Claude3_5Sonnet => "claude-3-5-sonnet-latest",
@@ -159,6 +176,7 @@ impl Model {
     pub fn request_id(&self) -> &str {
         match self {
             Self::ClaudeOpus4 | Self::ClaudeOpus4Thinking => "claude-opus-4-20250514",
+            Self::ClaudeOpus4_1 | Self::ClaudeOpus4_1Thinking => "claude-opus-4-1-20250805",
             Self::ClaudeSonnet4 | Self::ClaudeSonnet4Thinking => "claude-sonnet-4-20250514",
             Self::Claude3_5Sonnet => "claude-3-5-sonnet-latest",
             Self::Claude3_7Sonnet | Self::Claude3_7SonnetThinking => "claude-3-7-sonnet-latest",
@@ -173,7 +191,9 @@ impl Model {
     pub fn display_name(&self) -> &str {
         match self {
             Self::ClaudeOpus4 => "Claude Opus 4",
+            Self::ClaudeOpus4_1 => "Claude Opus 4.1",
             Self::ClaudeOpus4Thinking => "Claude Opus 4 Thinking",
+            Self::ClaudeOpus4_1Thinking => "Claude Opus 4.1 Thinking",
             Self::ClaudeSonnet4 => "Claude Sonnet 4",
             Self::ClaudeSonnet4Thinking => "Claude Sonnet 4 Thinking",
             Self::Claude3_7Sonnet => "Claude 3.7 Sonnet",
@@ -192,7 +212,9 @@ impl Model {
     pub fn cache_configuration(&self) -> Option<AnthropicModelCacheConfiguration> {
         match self {
             Self::ClaudeOpus4
+            | Self::ClaudeOpus4_1
             | Self::ClaudeOpus4Thinking
+            | Self::ClaudeOpus4_1Thinking
             | Self::ClaudeSonnet4
             | Self::ClaudeSonnet4Thinking
             | Self::Claude3_5Sonnet
@@ -215,7 +237,9 @@ impl Model {
     pub fn max_token_count(&self) -> u64 {
         match self {
             Self::ClaudeOpus4
+            | Self::ClaudeOpus4_1
             | Self::ClaudeOpus4Thinking
+            | Self::ClaudeOpus4_1Thinking
             | Self::ClaudeSonnet4
             | Self::ClaudeSonnet4Thinking
             | Self::Claude3_5Sonnet
@@ -232,7 +256,9 @@ impl Model {
     pub fn max_output_tokens(&self) -> u64 {
         match self {
             Self::ClaudeOpus4
+            | Self::ClaudeOpus4_1
             | Self::ClaudeOpus4Thinking
+            | Self::ClaudeOpus4_1Thinking
             | Self::ClaudeSonnet4
             | Self::ClaudeSonnet4Thinking
             | Self::Claude3_5Sonnet
@@ -249,7 +275,9 @@ impl Model {
     pub fn default_temperature(&self) -> f32 {
         match self {
             Self::ClaudeOpus4
+            | Self::ClaudeOpus4_1
             | Self::ClaudeOpus4Thinking
+            | Self::ClaudeOpus4_1Thinking
             | Self::ClaudeSonnet4
             | Self::ClaudeSonnet4Thinking
             | Self::Claude3_5Sonnet
@@ -269,6 +297,7 @@ impl Model {
     pub fn mode(&self) -> AnthropicModelMode {
         match self {
             Self::ClaudeOpus4
+            | Self::ClaudeOpus4_1
             | Self::ClaudeSonnet4
             | Self::Claude3_5Sonnet
             | Self::Claude3_7Sonnet
@@ -277,6 +306,7 @@ impl Model {
             | Self::Claude3Sonnet
             | Self::Claude3Haiku => AnthropicModelMode::Default,
             Self::ClaudeOpus4Thinking
+            | Self::ClaudeOpus4_1Thinking
             | Self::ClaudeSonnet4Thinking
             | Self::Claude3_7SonnetThinking => AnthropicModelMode::Thinking {
                 budget_tokens: Some(4_096),
diff --git a/crates/askpass/src/askpass.rs b/crates/askpass/src/askpass.rs
index f085a2be72..9e84a9fed0 100644
--- a/crates/askpass/src/askpass.rs
+++ b/crates/askpass/src/askpass.rs
@@ -177,11 +177,11 @@ impl AskPassSession {
             _ = askpass_opened_rx.fuse() => {
                 // Note: this await can only resolve after we are dropped.
                 askpass_kill_master_rx.await.ok();
-                return AskPassResult::CancelledByUser
+                AskPassResult::CancelledByUser
             }
 
             _ = futures::FutureExt::fuse(smol::Timer::after(connection_timeout)) => {
-                return AskPassResult::Timedout
+                AskPassResult::Timedout
             }
         }
     }
@@ -215,7 +215,7 @@ pub fn main(socket: &str) {
     }
 
     #[cfg(target_os = "windows")]
-    while buffer.last().map_or(false, |&b| b == b'\n' || b == b'\r') {
+    while buffer.last().is_some_and(|&b| b == b'\n' || b == b'\r') {
         buffer.pop();
     }
     if buffer.last() != Some(&b'\0') {
diff --git a/crates/assets/src/assets.rs b/crates/assets/src/assets.rs
index fad0c58b73..5c7e671159 100644
--- a/crates/assets/src/assets.rs
+++ b/crates/assets/src/assets.rs
@@ -58,9 +58,7 @@ impl Assets {
     pub fn load_test_fonts(&self, cx: &App) {
         cx.text_system()
             .add_fonts(vec![
-                self.load("fonts/plex-mono/ZedPlexMono-Regular.ttf")
-                    .unwrap()
-                    .unwrap(),
+                self.load("fonts/lilex/Lilex-Regular.ttf").unwrap().unwrap(),
             ])
             .unwrap()
     }
diff --git a/crates/assistant_context/Cargo.toml b/crates/assistant_context/Cargo.toml
index 8f5ff98790..45c0072418 100644
--- a/crates/assistant_context/Cargo.toml
+++ b/crates/assistant_context/Cargo.toml
@@ -11,6 +11,9 @@ workspace = true
 [lib]
 path = "src/assistant_context.rs"
 
+[features]
+test-support = []
+
 [dependencies]
 agent_settings.workspace = true
 anyhow.workspace = true
diff --git a/crates/assistant_context/src/assistant_context.rs b/crates/assistant_context/src/assistant_context.rs
index 4518bbff79..12eda0954a 100644
--- a/crates/assistant_context/src/assistant_context.rs
+++ b/crates/assistant_context/src/assistant_context.rs
@@ -2,16 +2,16 @@
 mod assistant_context_tests;
 mod context_store;
 
-use agent_settings::AgentSettings;
+use agent_settings::{AgentSettings, SUMMARIZE_THREAD_PROMPT};
 use anyhow::{Context as _, Result, bail};
 use assistant_slash_command::{
     SlashCommandContent, SlashCommandEvent, SlashCommandLine, SlashCommandOutputSection,
     SlashCommandResult, SlashCommandWorkingSet,
 };
 use assistant_slash_commands::FileCommandMetadata;
-use client::{self, Client, proto, telemetry::Telemetry};
+use client::{self, Client, ModelRequestUsage, RequestUsage, proto, telemetry::Telemetry};
 use clock::ReplicaId;
-use cloud_llm_client::CompletionIntent;
+use cloud_llm_client::{CompletionIntent, CompletionRequestStatus, UsageLimit};
 use collections::{HashMap, HashSet};
 use fs::{Fs, RenameOptions};
 use futures::{FutureExt, StreamExt, future::Shared};
@@ -590,17 +590,16 @@ impl From<&Message> for MessageMetadata {
 
 impl MessageMetadata {
     pub fn is_cache_valid(&self, buffer: &BufferSnapshot, range: &Range<usize>) -> bool {
-        let result = match &self.cache {
+        match &self.cache {
             Some(MessageCacheMetadata { cached_at, .. }) => !buffer.has_edits_since_in_range(
-                &cached_at,
+                cached_at,
                 Range {
                     start: buffer.anchor_at(range.start, Bias::Right),
                     end: buffer.anchor_at(range.end, Bias::Left),
                 },
             ),
             _ => false,
-        };
-        result
+        }
     }
 }
 
@@ -1023,9 +1022,11 @@ impl AssistantContext {
                     summary: new_summary,
                     ..
                 } => {
-                    if self.summary.timestamp().map_or(true, |current_timestamp| {
-                        new_summary.timestamp > current_timestamp
-                    }) {
+                    if self
+                        .summary
+                        .timestamp()
+                        .is_none_or(|current_timestamp| new_summary.timestamp > current_timestamp)
+                    {
                         self.summary = ContextSummary::Content(new_summary);
                         summary_generated = true;
                     }
@@ -1076,20 +1077,20 @@ impl AssistantContext {
                     timestamp,
                     ..
                 } => {
-                    if let Some(slash_command) = self.invoked_slash_commands.get_mut(&id) {
-                        if timestamp > slash_command.timestamp {
-                            slash_command.timestamp = timestamp;
-                            match error_message {
-                                Some(message) => {
-                                    slash_command.status =
-                                        InvokedSlashCommandStatus::Error(message.into());
-                                }
-                                None => {
-                                    slash_command.status = InvokedSlashCommandStatus::Finished;
-                                }
+                    if let Some(slash_command) = self.invoked_slash_commands.get_mut(&id)
+                        && timestamp > slash_command.timestamp
+                    {
+                        slash_command.timestamp = timestamp;
+                        match error_message {
+                            Some(message) => {
+                                slash_command.status =
+                                    InvokedSlashCommandStatus::Error(message.into());
+                            }
+                            None => {
+                                slash_command.status = InvokedSlashCommandStatus::Finished;
                             }
-                            cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id: id });
                         }
+                        cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id: id });
                     }
                 }
                 ContextOperation::BufferOperation(_) => unreachable!(),
@@ -1339,7 +1340,7 @@ impl AssistantContext {
                 let is_invalid = self
                     .messages_metadata
                     .get(&message_id)
-                    .map_or(true, |metadata| {
+                    .is_none_or(|metadata| {
                         !metadata.is_cache_valid(&buffer, &message.offset_range)
                             || *encountered_invalid
                     });
@@ -1368,10 +1369,10 @@ impl AssistantContext {
                 continue;
             }
 
-            if let Some(last_anchor) = last_anchor {
-                if message.id == last_anchor {
-                    hit_last_anchor = true;
-                }
+            if let Some(last_anchor) = last_anchor
+                && message.id == last_anchor
+            {
+                hit_last_anchor = true;
             }
 
             new_anchor_needs_caching = new_anchor_needs_caching
@@ -1406,14 +1407,14 @@ impl AssistantContext {
         if !self.pending_completions.is_empty() {
             return;
         }
-        if let Some(cache_configuration) = cache_configuration {
-            if !cache_configuration.should_speculate {
-                return;
-            }
+        if let Some(cache_configuration) = cache_configuration
+            && !cache_configuration.should_speculate
+        {
+            return;
         }
 
         let request = {
-            let mut req = self.to_completion_request(Some(&model), cx);
+            let mut req = self.to_completion_request(Some(model), cx);
             // Skip the last message because it's likely to change and
             // therefore would be a waste to cache.
             req.messages.pop();
@@ -1428,7 +1429,7 @@ impl AssistantContext {
         let model = Arc::clone(model);
         self.pending_cache_warming_task = cx.spawn(async move |this, cx| {
             async move {
-                match model.stream_completion(request, &cx).await {
+                match model.stream_completion(request, cx).await {
                     Ok(mut stream) => {
                         stream.next().await;
                         log::info!("Cache warming completed successfully");
@@ -1552,25 +1553,24 @@ impl AssistantContext {
                     })
                     .map(ToOwned::to_owned)
                     .collect::<SmallVec<_>>();
-                if let Some(command) = self.slash_commands.command(name, cx) {
-                    if !command.requires_argument() || !arguments.is_empty() {
-                        let start_ix = offset + command_line.name.start - 1;
-                        let end_ix = offset
-                            + command_line
-                                .arguments
-                                .last()
-                                .map_or(command_line.name.end, |argument| argument.end);
-                        let source_range =
-                            buffer.anchor_after(start_ix)..buffer.anchor_after(end_ix);
-                        let pending_command = ParsedSlashCommand {
-                            name: name.to_string(),
-                            arguments,
-                            source_range,
-                            status: PendingSlashCommandStatus::Idle,
-                        };
-                        updated.push(pending_command.clone());
-                        new_commands.push(pending_command);
-                    }
+                if let Some(command) = self.slash_commands.command(name, cx)
+                    && (!command.requires_argument() || !arguments.is_empty())
+                {
+                    let start_ix = offset + command_line.name.start - 1;
+                    let end_ix = offset
+                        + command_line
+                            .arguments
+                            .last()
+                            .map_or(command_line.name.end, |argument| argument.end);
+                    let source_range = buffer.anchor_after(start_ix)..buffer.anchor_after(end_ix);
+                    let pending_command = ParsedSlashCommand {
+                        name: name.to_string(),
+                        arguments,
+                        source_range,
+                        status: PendingSlashCommandStatus::Idle,
+                    };
+                    updated.push(pending_command.clone());
+                    new_commands.push(pending_command);
                 }
             }
 
@@ -1661,12 +1661,12 @@ impl AssistantContext {
     ) -> Range<usize> {
         let buffer = self.buffer.read(cx);
         let start_ix = match all_annotations
-            .binary_search_by(|probe| probe.range().end.cmp(&range.start, &buffer))
+            .binary_search_by(|probe| probe.range().end.cmp(&range.start, buffer))
         {
             Ok(ix) | Err(ix) => ix,
         };
         let end_ix = match all_annotations
-            .binary_search_by(|probe| probe.range().start.cmp(&range.end, &buffer))
+            .binary_search_by(|probe| probe.range().start.cmp(&range.end, buffer))
         {
             Ok(ix) => ix + 1,
             Err(ix) => ix,
@@ -1799,14 +1799,13 @@ impl AssistantContext {
                                 });
 
                                 let end = this.buffer.read(cx).anchor_before(insert_position);
-                                if run_commands_in_text {
-                                    if let Some(invoked_slash_command) =
+                                if run_commands_in_text
+                                    && let Some(invoked_slash_command) =
                                         this.invoked_slash_commands.get_mut(&command_id)
-                                    {
-                                        invoked_slash_command
-                                            .run_commands_in_ranges
-                                            .push(start..end);
-                                    }
+                                {
+                                    invoked_slash_command
+                                        .run_commands_in_ranges
+                                        .push(start..end);
                                 }
                             }
                             SlashCommandEvent::EndSection => {
@@ -1862,7 +1861,7 @@ impl AssistantContext {
                         {
                             let newline_offset = insert_position.saturating_sub(1);
                             if buffer.contains_str_at(newline_offset, "\n")
-                                && last_section_range.map_or(true, |last_section_range| {
+                                && last_section_range.is_none_or(|last_section_range| {
                                     !last_section_range
                                         .to_offset(buffer)
                                         .contains(&newline_offset)
@@ -2045,7 +2044,7 @@ impl AssistantContext {
 
         let task = cx.spawn({
             async move |this, cx| {
-                let stream = model.stream_completion(request, &cx);
+                let stream = model.stream_completion(request, cx);
                 let assistant_message_id = assistant_message.id;
                 let mut response_latency = None;
                 let stream_completion = async {
@@ -2080,7 +2079,15 @@ impl AssistantContext {
                                     });
 
                                 match event {
-                                    LanguageModelCompletionEvent::StatusUpdate { .. } => {}
+                                    LanguageModelCompletionEvent::StatusUpdate(status_update) => {
+                                        if let CompletionRequestStatus::UsageUpdated { amount, limit } = status_update {
+                                            this.update_model_request_usage(
+                                                amount as u32,
+                                                limit,
+                                                cx,
+                                            );
+                                        }
+                                    }
                                     LanguageModelCompletionEvent::StartMessage { .. } => {}
                                     LanguageModelCompletionEvent::Stop(reason) => {
                                         stop_reason = reason;
@@ -2275,7 +2282,7 @@ impl AssistantContext {
         let mut contents = self.contents(cx).peekable();
 
         fn collect_text_content(buffer: &Buffer, range: Range<usize>) -> Option<String> {
-            let text: String = buffer.text_for_range(range.clone()).collect();
+            let text: String = buffer.text_for_range(range).collect();
             if text.trim().is_empty() {
                 None
             } else {
@@ -2304,10 +2311,7 @@ impl AssistantContext {
             let mut request_message = LanguageModelRequestMessage {
                 role: message.role,
                 content: Vec::new(),
-                cache: message
-                    .cache
-                    .as_ref()
-                    .map_or(false, |cache| cache.is_anchor),
+                cache: message.cache.as_ref().is_some_and(|cache| cache.is_anchor),
             };
 
             while let Some(content) = contents.peek() {
@@ -2677,10 +2681,7 @@ impl AssistantContext {
             let mut request = self.to_completion_request(Some(&model.model), cx);
             request.messages.push(LanguageModelRequestMessage {
                 role: Role::User,
-                content: vec![
-                    "Generate a concise 3-7 word title for this conversation, omitting punctuation. Go straight to the title, without any preamble and prefix like `Here's a concise suggestion:...` or `Title:`"
-                        .into(),
-                ],
+                content: vec![SUMMARIZE_THREAD_PROMPT.into()],
                 cache: false,
             });
 
@@ -2700,7 +2701,7 @@ impl AssistantContext {
 
             self.summary_task = cx.spawn(async move |this, cx| {
                 let result = async {
-                    let stream = model.model.stream_completion_text(request, &cx);
+                    let stream = model.model.stream_completion_text(request, cx);
                     let mut messages = stream.await?;
 
                     let mut replaced = !replace_old;
@@ -2733,10 +2734,10 @@ impl AssistantContext {
                     }
 
                     this.read_with(cx, |this, _cx| {
-                        if let Some(summary) = this.summary.content() {
-                            if summary.text.is_empty() {
-                                bail!("Model generated an empty summary");
-                            }
+                        if let Some(summary) = this.summary.content()
+                            && summary.text.is_empty()
+                        {
+                            bail!("Model generated an empty summary");
                         }
                         Ok(())
                     })??;
@@ -2791,7 +2792,7 @@ impl AssistantContext {
         let mut current_message = messages.next();
         while let Some(offset) = offsets.next() {
             // Locate the message that contains the offset.
-            while current_message.as_ref().map_or(false, |message| {
+            while current_message.as_ref().is_some_and(|message| {
                 !message.offset_range.contains(&offset) && messages.peek().is_some()
             }) {
                 current_message = messages.next();
@@ -2801,7 +2802,7 @@ impl AssistantContext {
             };
 
             // Skip offsets that are in the same message.
-            while offsets.peek().map_or(false, |offset| {
+            while offsets.peek().is_some_and(|offset| {
                 message.offset_range.contains(offset) || messages.peek().is_none()
             }) {
                 offsets.next();
@@ -2916,18 +2917,18 @@ impl AssistantContext {
                 fs.create_dir(contexts_dir().as_ref()).await?;
 
                 // rename before write ensures that only one file exists
-                if let Some(old_path) = old_path.as_ref() {
-                    if new_path.as_path() != old_path.as_ref() {
-                        fs.rename(
-                            &old_path,
-                            &new_path,
-                            RenameOptions {
-                                overwrite: true,
-                                ignore_if_exists: true,
-                            },
-                        )
-                        .await?;
-                    }
+                if let Some(old_path) = old_path.as_ref()
+                    && new_path.as_path() != old_path.as_ref()
+                {
+                    fs.rename(
+                        old_path,
+                        &new_path,
+                        RenameOptions {
+                            overwrite: true,
+                            ignore_if_exists: true,
+                        },
+                    )
+                    .await?;
                 }
 
                 // update path before write in case it fails
@@ -2956,6 +2957,21 @@ impl AssistantContext {
         summary.text = custom_summary;
         cx.emit(ContextEvent::SummaryChanged);
     }
+
+    fn update_model_request_usage(&self, amount: u32, limit: UsageLimit, cx: &mut App) {
+        let Some(project) = &self.project else {
+            return;
+        };
+        project.read(cx).user_store().update(cx, |user_store, cx| {
+            user_store.update_model_request_usage(
+                ModelRequestUsage(RequestUsage {
+                    amount: amount as i32,
+                    limit,
+                }),
+                cx,
+            )
+        });
+    }
 }
 
 #[derive(Debug, Default)]
diff --git a/crates/assistant_context/src/assistant_context_tests.rs b/crates/assistant_context/src/assistant_context_tests.rs
index f139d525d3..61d748cbdd 100644
--- a/crates/assistant_context/src/assistant_context_tests.rs
+++ b/crates/assistant_context/src/assistant_context_tests.rs
@@ -1055,7 +1055,7 @@ fn test_mark_cache_anchors(cx: &mut App) {
     assert_eq!(
         messages_cache(&context, cx)
             .iter()
-            .filter(|(_, cache)| cache.as_ref().map_or(false, |cache| cache.is_anchor))
+            .filter(|(_, cache)| cache.as_ref().is_some_and(|cache| cache.is_anchor))
             .count(),
         0,
         "Empty messages should not have any cache anchors."
@@ -1083,7 +1083,7 @@ fn test_mark_cache_anchors(cx: &mut App) {
     assert_eq!(
         messages_cache(&context, cx)
             .iter()
-            .filter(|(_, cache)| cache.as_ref().map_or(false, |cache| cache.is_anchor))
+            .filter(|(_, cache)| cache.as_ref().is_some_and(|cache| cache.is_anchor))
             .count(),
         0,
         "Messages should not be marked for cache before going over the token minimum."
@@ -1098,7 +1098,7 @@ fn test_mark_cache_anchors(cx: &mut App) {
     assert_eq!(
         messages_cache(&context, cx)
             .iter()
-            .map(|(_, cache)| cache.as_ref().map_or(false, |cache| cache.is_anchor))
+            .map(|(_, cache)| cache.as_ref().is_some_and(|cache| cache.is_anchor))
             .collect::<Vec<bool>>(),
         vec![true, true, false],
         "Last message should not be an anchor on speculative request."
@@ -1116,7 +1116,7 @@ fn test_mark_cache_anchors(cx: &mut App) {
     assert_eq!(
         messages_cache(&context, cx)
             .iter()
-            .map(|(_, cache)| cache.as_ref().map_or(false, |cache| cache.is_anchor))
+            .map(|(_, cache)| cache.as_ref().is_some_and(|cache| cache.is_anchor))
             .collect::<Vec<bool>>(),
         vec![false, true, true, false],
         "Most recent message should also be cached if not a speculative request."
@@ -1210,8 +1210,8 @@ async fn test_summarization(cx: &mut TestAppContext) {
     });
 
     cx.run_until_parked();
-    fake_model.stream_last_completion_response("Brief");
-    fake_model.stream_last_completion_response(" Introduction");
+    fake_model.send_last_completion_stream_text_chunk("Brief");
+    fake_model.send_last_completion_stream_text_chunk(" Introduction");
     fake_model.end_last_completion_stream();
     cx.run_until_parked();
 
@@ -1274,7 +1274,7 @@ async fn test_thread_summary_error_retry(cx: &mut TestAppContext) {
     });
 
     cx.run_until_parked();
-    fake_model.stream_last_completion_response("A successful summary");
+    fake_model.send_last_completion_stream_text_chunk("A successful summary");
     fake_model.end_last_completion_stream();
     cx.run_until_parked();
 
@@ -1300,7 +1300,7 @@ fn test_summarize_error(
         context.assist(cx);
     });
 
-    simulate_successful_response(&model, cx);
+    simulate_successful_response(model, cx);
 
     context.read_with(cx, |context, _| {
         assert!(!context.summary().content().unwrap().done);
@@ -1321,7 +1321,7 @@ fn test_summarize_error(
 fn setup_context_editor_with_fake_model(
     cx: &mut TestAppContext,
 ) -> (Entity<AssistantContext>, Arc<FakeLanguageModel>) {
-    let registry = Arc::new(LanguageRegistry::test(cx.executor().clone()));
+    let registry = Arc::new(LanguageRegistry::test(cx.executor()));
 
     let fake_provider = Arc::new(FakeLanguageModelProvider::default());
     let fake_model = Arc::new(fake_provider.test_model());
@@ -1356,7 +1356,7 @@ fn setup_context_editor_with_fake_model(
 
 fn simulate_successful_response(fake_model: &FakeLanguageModel, cx: &mut TestAppContext) {
     cx.run_until_parked();
-    fake_model.stream_last_completion_response("Assistant response");
+    fake_model.send_last_completion_stream_text_chunk("Assistant response");
     fake_model.end_last_completion_stream();
     cx.run_until_parked();
 }
@@ -1376,7 +1376,7 @@ fn messages_cache(
     context
         .read(cx)
         .messages(cx)
-        .map(|message| (message.id, message.cache.clone()))
+        .map(|message| (message.id, message.cache))
         .collect()
 }
 
@@ -1436,6 +1436,6 @@ impl SlashCommand for FakeSlashCommand {
             sections: vec![],
             run_commands_in_text: false,
         }
-        .to_event_stream()))
+        .into_event_stream()))
     }
 }
diff --git a/crates/assistant_context/src/context_store.rs b/crates/assistant_context/src/context_store.rs
index 3090a7b234..6960d9db79 100644
--- a/crates/assistant_context/src/context_store.rs
+++ b/crates/assistant_context/src/context_store.rs
@@ -138,6 +138,27 @@ impl ContextStore {
         })
     }
 
+    #[cfg(any(test, feature = "test-support"))]
+    pub fn fake(project: Entity<Project>, cx: &mut Context<Self>) -> Self {
+        Self {
+            contexts: Default::default(),
+            contexts_metadata: Default::default(),
+            context_server_slash_command_ids: Default::default(),
+            host_contexts: Default::default(),
+            fs: project.read(cx).fs().clone(),
+            languages: project.read(cx).languages().clone(),
+            slash_commands: Arc::default(),
+            telemetry: project.read(cx).client().telemetry().clone(),
+            _watch_updates: Task::ready(None),
+            client: project.read(cx).client(),
+            project,
+            project_is_shared: false,
+            client_subscription: None,
+            _project_subscriptions: Default::default(),
+            prompt_builder: Arc::new(PromptBuilder::new(None).unwrap()),
+        }
+    }
+
     async fn handle_advertise_contexts(
         this: Entity<Self>,
         envelope: TypedEnvelope<proto::AdvertiseContexts>,
@@ -299,7 +320,7 @@ impl ContextStore {
                 .client
                 .subscribe_to_entity(remote_id)
                 .log_err()
-                .map(|subscription| subscription.set_entity(&cx.entity(), &mut cx.to_async()));
+                .map(|subscription| subscription.set_entity(&cx.entity(), &cx.to_async()));
             self.advertise_contexts(cx);
         } else {
             self.client_subscription = None;
@@ -768,7 +789,7 @@ impl ContextStore {
         let fs = self.fs.clone();
         cx.spawn(async move |this, cx| {
             pub static ZED_STATELESS: LazyLock<bool> =
-                LazyLock::new(|| std::env::var("ZED_STATELESS").map_or(false, |v| !v.is_empty()));
+                LazyLock::new(|| std::env::var("ZED_STATELESS").is_ok_and(|v| !v.is_empty()));
             if *ZED_STATELESS {
                 return Ok(());
             }
@@ -841,7 +862,7 @@ impl ContextStore {
                     ContextServerStatus::Running => {
                         self.load_context_server_slash_commands(
                             server_id.clone(),
-                            context_server_store.clone(),
+                            context_server_store,
                             cx,
                         );
                     }
@@ -873,34 +894,33 @@ impl ContextStore {
                 return;
             };
 
-            if protocol.capable(context_server::protocol::ServerCapability::Prompts) {
-                if let Some(response) = protocol
+            if protocol.capable(context_server::protocol::ServerCapability::Prompts)
+                && let Some(response) = protocol
                     .request::<context_server::types::requests::PromptsList>(())
                     .await
                     .log_err()
-                {
-                    let slash_command_ids = response
-                        .prompts
-                        .into_iter()
-                        .filter(assistant_slash_commands::acceptable_prompt)
-                        .map(|prompt| {
-                            log::info!("registering context server command: {:?}", prompt.name);
-                            slash_command_working_set.insert(Arc::new(
-                                assistant_slash_commands::ContextServerSlashCommand::new(
-                                    context_server_store.clone(),
-                                    server.id(),
-                                    prompt,
-                                ),
-                            ))
-                        })
-                        .collect::<Vec<_>>();
-
-                    this.update(cx, |this, _cx| {
-                        this.context_server_slash_command_ids
-                            .insert(server_id.clone(), slash_command_ids);
+            {
+                let slash_command_ids = response
+                    .prompts
+                    .into_iter()
+                    .filter(assistant_slash_commands::acceptable_prompt)
+                    .map(|prompt| {
+                        log::info!("registering context server command: {:?}", prompt.name);
+                        slash_command_working_set.insert(Arc::new(
+                            assistant_slash_commands::ContextServerSlashCommand::new(
+                                context_server_store.clone(),
+                                server.id(),
+                                prompt,
+                            ),
+                        ))
                     })
-                    .log_err();
-                }
+                    .collect::<Vec<_>>();
+
+                this.update(cx, |this, _cx| {
+                    this.context_server_slash_command_ids
+                        .insert(server_id.clone(), slash_command_ids);
+                })
+                .log_err();
             }
         })
         .detach();
diff --git a/crates/assistant_slash_command/src/assistant_slash_command.rs b/crates/assistant_slash_command/src/assistant_slash_command.rs
index 828f115bf5..4b85fa2edf 100644
--- a/crates/assistant_slash_command/src/assistant_slash_command.rs
+++ b/crates/assistant_slash_command/src/assistant_slash_command.rs
@@ -161,7 +161,7 @@ impl SlashCommandOutput {
     }
 
     /// Returns this [`SlashCommandOutput`] as a stream of [`SlashCommandEvent`]s.
-    pub fn to_event_stream(mut self) -> BoxStream<'static, Result<SlashCommandEvent>> {
+    pub fn into_event_stream(mut self) -> BoxStream<'static, Result<SlashCommandEvent>> {
         self.ensure_valid_section_ranges();
 
         let mut events = Vec::new();
@@ -363,7 +363,7 @@ mod tests {
                 run_commands_in_text: false,
             };
 
-            let events = output.clone().to_event_stream().collect::<Vec<_>>().await;
+            let events = output.clone().into_event_stream().collect::<Vec<_>>().await;
             let events = events
                 .into_iter()
                 .filter_map(|event| event.ok())
@@ -386,7 +386,7 @@ mod tests {
             );
 
             let new_output =
-                SlashCommandOutput::from_event_stream(output.clone().to_event_stream())
+                SlashCommandOutput::from_event_stream(output.clone().into_event_stream())
                     .await
                     .unwrap();
 
@@ -415,7 +415,7 @@ mod tests {
                 run_commands_in_text: false,
             };
 
-            let events = output.clone().to_event_stream().collect::<Vec<_>>().await;
+            let events = output.clone().into_event_stream().collect::<Vec<_>>().await;
             let events = events
                 .into_iter()
                 .filter_map(|event| event.ok())
@@ -452,7 +452,7 @@ mod tests {
             );
 
             let new_output =
-                SlashCommandOutput::from_event_stream(output.clone().to_event_stream())
+                SlashCommandOutput::from_event_stream(output.clone().into_event_stream())
                     .await
                     .unwrap();
 
@@ -493,7 +493,7 @@ mod tests {
                 run_commands_in_text: false,
             };
 
-            let events = output.clone().to_event_stream().collect::<Vec<_>>().await;
+            let events = output.clone().into_event_stream().collect::<Vec<_>>().await;
             let events = events
                 .into_iter()
                 .filter_map(|event| event.ok())
@@ -562,7 +562,7 @@ mod tests {
             );
 
             let new_output =
-                SlashCommandOutput::from_event_stream(output.clone().to_event_stream())
+                SlashCommandOutput::from_event_stream(output.clone().into_event_stream())
                     .await
                     .unwrap();
 
diff --git a/crates/assistant_slash_command/src/extension_slash_command.rs b/crates/assistant_slash_command/src/extension_slash_command.rs
index 74c46ffb5f..e47ae52c98 100644
--- a/crates/assistant_slash_command/src/extension_slash_command.rs
+++ b/crates/assistant_slash_command/src/extension_slash_command.rs
@@ -166,7 +166,7 @@ impl SlashCommand for ExtensionSlashCommand {
                     .collect(),
                 run_commands_in_text: false,
             }
-            .to_event_stream())
+            .into_event_stream())
         })
     }
 }
diff --git a/crates/assistant_slash_commands/Cargo.toml b/crates/assistant_slash_commands/Cargo.toml
index f703a753f5..c054c3ced8 100644
--- a/crates/assistant_slash_commands/Cargo.toml
+++ b/crates/assistant_slash_commands/Cargo.toml
@@ -27,7 +27,6 @@ globset.workspace = true
 gpui.workspace = true
 html_to_markdown.workspace = true
 http_client.workspace = true
-indexed_docs.workspace = true
 language.workspace = true
 project.workspace = true
 prompt_store.workspace = true
diff --git a/crates/assistant_slash_commands/src/assistant_slash_commands.rs b/crates/assistant_slash_commands/src/assistant_slash_commands.rs
index fa5dd8b683..fb00a91219 100644
--- a/crates/assistant_slash_commands/src/assistant_slash_commands.rs
+++ b/crates/assistant_slash_commands/src/assistant_slash_commands.rs
@@ -3,7 +3,6 @@ mod context_server_command;
 mod default_command;
 mod delta_command;
 mod diagnostics_command;
-mod docs_command;
 mod fetch_command;
 mod file_command;
 mod now_command;
@@ -18,7 +17,6 @@ pub use crate::context_server_command::*;
 pub use crate::default_command::*;
 pub use crate::delta_command::*;
 pub use crate::diagnostics_command::*;
-pub use crate::docs_command::*;
 pub use crate::fetch_command::*;
 pub use crate::file_command::*;
 pub use crate::now_command::*;
diff --git a/crates/assistant_slash_commands/src/cargo_workspace_command.rs b/crates/assistant_slash_commands/src/cargo_workspace_command.rs
index 8b088ea012..d58b2edc4c 100644
--- a/crates/assistant_slash_commands/src/cargo_workspace_command.rs
+++ b/crates/assistant_slash_commands/src/cargo_workspace_command.rs
@@ -150,7 +150,7 @@ impl SlashCommand for CargoWorkspaceSlashCommand {
                     }],
                     run_commands_in_text: false,
                 }
-                .to_event_stream())
+                .into_event_stream())
             })
         });
         output.unwrap_or_else(|error| Task::ready(Err(error)))
diff --git a/crates/assistant_slash_commands/src/context_server_command.rs b/crates/assistant_slash_commands/src/context_server_command.rs
index f223d3b184..ee0cbf54c2 100644
--- a/crates/assistant_slash_commands/src/context_server_command.rs
+++ b/crates/assistant_slash_commands/src/context_server_command.rs
@@ -39,12 +39,12 @@ impl SlashCommand for ContextServerSlashCommand {
 
     fn label(&self, cx: &App) -> language::CodeLabel {
         let mut parts = vec![self.prompt.name.as_str()];
-        if let Some(args) = &self.prompt.arguments {
-            if let Some(arg) = args.first() {
-                parts.push(arg.name.as_str());
-            }
+        if let Some(args) = &self.prompt.arguments
+            && let Some(arg) = args.first()
+        {
+            parts.push(arg.name.as_str());
         }
-        create_label_for_command(&parts[0], &parts[1..], cx)
+        create_label_for_command(parts[0], &parts[1..], cx)
     }
 
     fn description(&self) -> String {
@@ -62,9 +62,10 @@ impl SlashCommand for ContextServerSlashCommand {
     }
 
     fn requires_argument(&self) -> bool {
-        self.prompt.arguments.as_ref().map_or(false, |args| {
-            args.iter().any(|arg| arg.required == Some(true))
-        })
+        self.prompt
+            .arguments
+            .as_ref()
+            .is_some_and(|args| args.iter().any(|arg| arg.required == Some(true)))
     }
 
     fn complete_argument(
@@ -190,7 +191,7 @@ impl SlashCommand for ContextServerSlashCommand {
                     text: prompt,
                     run_commands_in_text: false,
                 }
-                .to_event_stream())
+                .into_event_stream())
             })
         } else {
             Task::ready(Err(anyhow!("Context server not found")))
diff --git a/crates/assistant_slash_commands/src/default_command.rs b/crates/assistant_slash_commands/src/default_command.rs
index 6fce7f07a4..01eff881cf 100644
--- a/crates/assistant_slash_commands/src/default_command.rs
+++ b/crates/assistant_slash_commands/src/default_command.rs
@@ -85,7 +85,7 @@ impl SlashCommand for DefaultSlashCommand {
                 text,
                 run_commands_in_text: true,
             }
-            .to_event_stream())
+            .into_event_stream())
         })
     }
 }
diff --git a/crates/assistant_slash_commands/src/delta_command.rs b/crates/assistant_slash_commands/src/delta_command.rs
index 8c840c17b2..ea05fca588 100644
--- a/crates/assistant_slash_commands/src/delta_command.rs
+++ b/crates/assistant_slash_commands/src/delta_command.rs
@@ -66,23 +66,22 @@ impl SlashCommand for DeltaSlashCommand {
                 .metadata
                 .as_ref()
                 .and_then(|value| serde_json::from_value::<FileCommandMetadata>(value.clone()).ok())
+                && paths.insert(metadata.path.clone())
             {
-                if paths.insert(metadata.path.clone()) {
-                    file_command_old_outputs.push(
-                        context_buffer
-                            .as_rope()
-                            .slice(section.range.to_offset(&context_buffer)),
-                    );
-                    file_command_new_outputs.push(Arc::new(FileSlashCommand).run(
-                        std::slice::from_ref(&metadata.path),
-                        context_slash_command_output_sections,
-                        context_buffer.clone(),
-                        workspace.clone(),
-                        delegate.clone(),
-                        window,
-                        cx,
-                    ));
-                }
+                file_command_old_outputs.push(
+                    context_buffer
+                        .as_rope()
+                        .slice(section.range.to_offset(&context_buffer)),
+                );
+                file_command_new_outputs.push(Arc::new(FileSlashCommand).run(
+                    std::slice::from_ref(&metadata.path),
+                    context_slash_command_output_sections,
+                    context_buffer.clone(),
+                    workspace.clone(),
+                    delegate.clone(),
+                    window,
+                    cx,
+                ));
             }
         }
 
@@ -95,31 +94,31 @@ impl SlashCommand for DeltaSlashCommand {
                 .into_iter()
                 .zip(file_command_new_outputs)
             {
-                if let Ok(new_output) = new_output {
-                    if let Ok(new_output) = SlashCommandOutput::from_event_stream(new_output).await
-                    {
-                        if let Some(file_command_range) = new_output.sections.first() {
-                            let new_text = &new_output.text[file_command_range.range.clone()];
-                            if old_text.chars().ne(new_text.chars()) {
-                                changes_detected = true;
-                                output.sections.extend(new_output.sections.into_iter().map(
-                                    |section| SlashCommandOutputSection {
-                                        range: output.text.len() + section.range.start
-                                            ..output.text.len() + section.range.end,
-                                        icon: section.icon,
-                                        label: section.label,
-                                        metadata: section.metadata,
-                                    },
-                                ));
-                                output.text.push_str(&new_output.text);
-                            }
-                        }
+                if let Ok(new_output) = new_output
+                    && let Ok(new_output) = SlashCommandOutput::from_event_stream(new_output).await
+                    && let Some(file_command_range) = new_output.sections.first()
+                {
+                    let new_text = &new_output.text[file_command_range.range.clone()];
+                    if old_text.chars().ne(new_text.chars()) {
+                        changes_detected = true;
+                        output
+                            .sections
+                            .extend(new_output.sections.into_iter().map(|section| {
+                                SlashCommandOutputSection {
+                                    range: output.text.len() + section.range.start
+                                        ..output.text.len() + section.range.end,
+                                    icon: section.icon,
+                                    label: section.label,
+                                    metadata: section.metadata,
+                                }
+                            }));
+                        output.text.push_str(&new_output.text);
                     }
                 }
             }
 
             anyhow::ensure!(changes_detected, "no new changes detected");
-            Ok(output.to_event_stream())
+            Ok(output.into_event_stream())
         })
     }
 }
diff --git a/crates/assistant_slash_commands/src/diagnostics_command.rs b/crates/assistant_slash_commands/src/diagnostics_command.rs
index 2feabd8b1e..8b1dbd515c 100644
--- a/crates/assistant_slash_commands/src/diagnostics_command.rs
+++ b/crates/assistant_slash_commands/src/diagnostics_command.rs
@@ -44,7 +44,7 @@ impl DiagnosticsSlashCommand {
                         score: 0.,
                         positions: Vec::new(),
                         worktree_id: entry.worktree_id.to_usize(),
-                        path: entry.path.clone(),
+                        path: entry.path,
                         path_prefix: path_prefix.clone(),
                         is_dir: false, // Diagnostics can't be produced for directories
                         distance_to_relative_ancestor: 0,
@@ -61,7 +61,7 @@ impl DiagnosticsSlashCommand {
                         snapshot: worktree.snapshot(),
                         include_ignored: worktree
                             .root_entry()
-                            .map_or(false, |entry| entry.is_ignored),
+                            .is_some_and(|entry| entry.is_ignored),
                         include_root_name: true,
                         candidates: project::Candidates::Entries,
                     }
@@ -189,7 +189,7 @@ impl SlashCommand for DiagnosticsSlashCommand {
 
         window.spawn(cx, async move |_| {
             task.await?
-                .map(|output| output.to_event_stream())
+                .map(|output| output.into_event_stream())
                 .context("No diagnostics found")
         })
     }
@@ -249,7 +249,7 @@ fn collect_diagnostics(
                     let worktree = worktree.read(cx);
                     let worktree_root_path = Path::new(worktree.root_name());
                     let relative_path = path.strip_prefix(worktree_root_path).ok()?;
-                    worktree.absolutize(&relative_path).ok()
+                    worktree.absolutize(relative_path).ok()
                 })
             })
             .is_some()
@@ -280,10 +280,10 @@ fn collect_diagnostics(
 
         let mut project_summary = DiagnosticSummary::default();
         for (project_path, path, summary) in diagnostic_summaries {
-            if let Some(path_matcher) = &options.path_matcher {
-                if !path_matcher.is_match(&path) {
-                    continue;
-                }
+            if let Some(path_matcher) = &options.path_matcher
+                && !path_matcher.is_match(&path)
+            {
+                continue;
             }
 
             project_summary.error_count += summary.error_count;
@@ -365,7 +365,7 @@ pub fn collect_buffer_diagnostics(
 ) {
     for (_, group) in snapshot.diagnostic_groups(None) {
         let entry = &group.entries[group.primary_ix];
-        collect_diagnostic(output, entry, &snapshot, include_warnings)
+        collect_diagnostic(output, entry, snapshot, include_warnings)
     }
 }
 
@@ -396,7 +396,7 @@ fn collect_diagnostic(
     let start_row = range.start.row.saturating_sub(EXCERPT_EXPANSION_SIZE);
     let end_row = (range.end.row + EXCERPT_EXPANSION_SIZE).min(snapshot.max_point().row) + 1;
     let excerpt_range =
-        Point::new(start_row, 0).to_offset(&snapshot)..Point::new(end_row, 0).to_offset(&snapshot);
+        Point::new(start_row, 0).to_offset(snapshot)..Point::new(end_row, 0).to_offset(snapshot);
 
     output.text.push_str("```");
     if let Some(language_name) = snapshot.language().map(|l| l.code_fence_block_name()) {
diff --git a/crates/assistant_slash_commands/src/docs_command.rs b/crates/assistant_slash_commands/src/docs_command.rs
deleted file mode 100644
index bd87c72849..0000000000
--- a/crates/assistant_slash_commands/src/docs_command.rs
+++ /dev/null
@@ -1,543 +0,0 @@
-use std::path::Path;
-use std::sync::Arc;
-use std::sync::atomic::AtomicBool;
-use std::time::Duration;
-
-use anyhow::{Context as _, Result, anyhow, bail};
-use assistant_slash_command::{
-    ArgumentCompletion, SlashCommand, SlashCommandOutput, SlashCommandOutputSection,
-    SlashCommandResult,
-};
-use gpui::{App, BackgroundExecutor, Entity, Task, WeakEntity};
-use indexed_docs::{
-    DocsDotRsProvider, IndexedDocsRegistry, IndexedDocsStore, LocalRustdocProvider, PackageName,
-    ProviderId,
-};
-use language::{BufferSnapshot, LspAdapterDelegate};
-use project::{Project, ProjectPath};
-use ui::prelude::*;
-use util::{ResultExt, maybe};
-use workspace::Workspace;
-
-pub struct DocsSlashCommand;
-
-impl DocsSlashCommand {
-    pub const NAME: &'static str = "docs";
-
-    fn path_to_cargo_toml(project: Entity<Project>, cx: &mut App) -> Option<Arc<Path>> {
-        let worktree = project.read(cx).worktrees(cx).next()?;
-        let worktree = worktree.read(cx);
-        let entry = worktree.entry_for_path("Cargo.toml")?;
-        let path = ProjectPath {
-            worktree_id: worktree.id(),
-            path: entry.path.clone(),
-        };
-        Some(Arc::from(
-            project.read(cx).absolute_path(&path, cx)?.as_path(),
-        ))
-    }
-
-    /// Ensures that the indexed doc providers for Rust are registered.
-    ///
-    /// Ideally we would do this sooner, but we need to wait until we're able to
-    /// access the workspace so we can read the project.
-    fn ensure_rust_doc_providers_are_registered(
-        &self,
-        workspace: Option<WeakEntity<Workspace>>,
-        cx: &mut App,
-    ) {
-        let indexed_docs_registry = IndexedDocsRegistry::global(cx);
-        if indexed_docs_registry
-            .get_provider_store(LocalRustdocProvider::id())
-            .is_none()
-        {
-            let index_provider_deps = maybe!({
-                let workspace = workspace
-                    .as_ref()
-                    .context("no workspace")?
-                    .upgrade()
-                    .context("workspace dropped")?;
-                let project = workspace.read(cx).project().clone();
-                let fs = project.read(cx).fs().clone();
-                let cargo_workspace_root = Self::path_to_cargo_toml(project, cx)
-                    .and_then(|path| path.parent().map(|path| path.to_path_buf()))
-                    .context("no Cargo workspace root found")?;
-
-                anyhow::Ok((fs, cargo_workspace_root))
-            });
-
-            if let Some((fs, cargo_workspace_root)) = index_provider_deps.log_err() {
-                indexed_docs_registry.register_provider(Box::new(LocalRustdocProvider::new(
-                    fs,
-                    cargo_workspace_root,
-                )));
-            }
-        }
-
-        if indexed_docs_registry
-            .get_provider_store(DocsDotRsProvider::id())
-            .is_none()
-        {
-            let http_client = maybe!({
-                let workspace = workspace
-                    .as_ref()
-                    .context("no workspace")?
-                    .upgrade()
-                    .context("workspace was dropped")?;
-                let project = workspace.read(cx).project().clone();
-                anyhow::Ok(project.read(cx).client().http_client())
-            });
-
-            if let Some(http_client) = http_client.log_err() {
-                indexed_docs_registry
-                    .register_provider(Box::new(DocsDotRsProvider::new(http_client)));
-            }
-        }
-    }
-
-    /// Runs just-in-time indexing for a given package, in case the slash command
-    /// is run without any entries existing in the index.
-    fn run_just_in_time_indexing(
-        store: Arc<IndexedDocsStore>,
-        key: String,
-        package: PackageName,
-        executor: BackgroundExecutor,
-    ) -> Task<()> {
-        executor.clone().spawn(async move {
-            let (prefix, needs_full_index) = if let Some((prefix, _)) = key.split_once('*') {
-                // If we have a wildcard in the search, we want to wait until
-                // we've completely finished indexing so we get a full set of
-                // results for the wildcard.
-                (prefix.to_string(), true)
-            } else {
-                (key, false)
-            };
-
-            // If we already have some entries, we assume that we've indexed the package before
-            // and don't need to do it again.
-            let has_any_entries = store
-                .any_with_prefix(prefix.clone())
-                .await
-                .unwrap_or_default();
-            if has_any_entries {
-                return ();
-            };
-
-            let index_task = store.clone().index(package.clone());
-
-            if needs_full_index {
-                _ = index_task.await;
-            } else {
-                loop {
-                    executor.timer(Duration::from_millis(200)).await;
-
-                    if store
-                        .any_with_prefix(prefix.clone())
-                        .await
-                        .unwrap_or_default()
-                        || !store.is_indexing(&package)
-                    {
-                        break;
-                    }
-                }
-            }
-        })
-    }
-}
-
-impl SlashCommand for DocsSlashCommand {
-    fn name(&self) -> String {
-        Self::NAME.into()
-    }
-
-    fn description(&self) -> String {
-        "insert docs".into()
-    }
-
-    fn menu_text(&self) -> String {
-        "Insert Documentation".into()
-    }
-
-    fn requires_argument(&self) -> bool {
-        true
-    }
-
-    fn complete_argument(
-        self: Arc<Self>,
-        arguments: &[String],
-        _cancel: Arc<AtomicBool>,
-        workspace: Option<WeakEntity<Workspace>>,
-        _: &mut Window,
-        cx: &mut App,
-    ) -> Task<Result<Vec<ArgumentCompletion>>> {
-        self.ensure_rust_doc_providers_are_registered(workspace, cx);
-
-        let indexed_docs_registry = IndexedDocsRegistry::global(cx);
-        let args = DocsSlashCommandArgs::parse(arguments);
-        let store = args
-            .provider()
-            .context("no docs provider specified")
-            .and_then(|provider| IndexedDocsStore::try_global(provider, cx));
-        cx.background_spawn(async move {
-            fn build_completions(items: Vec<String>) -> Vec<ArgumentCompletion> {
-                items
-                    .into_iter()
-                    .map(|item| ArgumentCompletion {
-                        label: item.clone().into(),
-                        new_text: item.to_string(),
-                        after_completion: assistant_slash_command::AfterCompletion::Run,
-                        replace_previous_arguments: false,
-                    })
-                    .collect()
-            }
-
-            match args {
-                DocsSlashCommandArgs::NoProvider => {
-                    let providers = indexed_docs_registry.list_providers();
-                    if providers.is_empty() {
-                        return Ok(vec![ArgumentCompletion {
-                            label: "No available docs providers.".into(),
-                            new_text: String::new(),
-                            after_completion: false.into(),
-                            replace_previous_arguments: false,
-                        }]);
-                    }
-
-                    Ok(providers
-                        .into_iter()
-                        .map(|provider| ArgumentCompletion {
-                            label: provider.to_string().into(),
-                            new_text: provider.to_string(),
-                            after_completion: false.into(),
-                            replace_previous_arguments: false,
-                        })
-                        .collect())
-                }
-                DocsSlashCommandArgs::SearchPackageDocs {
-                    provider,
-                    package,
-                    index,
-                } => {
-                    let store = store?;
-
-                    if index {
-                        // We don't need to hold onto this task, as the `IndexedDocsStore` will hold it
-                        // until it completes.
-                        drop(store.clone().index(package.as_str().into()));
-                    }
-
-                    let suggested_packages = store.clone().suggest_packages().await?;
-                    let search_results = store.search(package).await;
-
-                    let mut items = build_completions(search_results);
-                    let workspace_crate_completions = suggested_packages
-                        .into_iter()
-                        .filter(|package_name| {
-                            !items
-                                .iter()
-                                .any(|item| item.label.text() == package_name.as_ref())
-                        })
-                        .map(|package_name| ArgumentCompletion {
-                            label: format!("{package_name} (unindexed)").into(),
-                            new_text: format!("{package_name}"),
-                            after_completion: true.into(),
-                            replace_previous_arguments: false,
-                        })
-                        .collect::<Vec<_>>();
-                    items.extend(workspace_crate_completions);
-
-                    if items.is_empty() {
-                        return Ok(vec![ArgumentCompletion {
-                            label: format!(
-                                "Enter a {package_term} name.",
-                                package_term = package_term(&provider)
-                            )
-                            .into(),
-                            new_text: provider.to_string(),
-                            after_completion: false.into(),
-                            replace_previous_arguments: false,
-                        }]);
-                    }
-
-                    Ok(items)
-                }
-                DocsSlashCommandArgs::SearchItemDocs { item_path, .. } => {
-                    let store = store?;
-                    let items = store.search(item_path).await;
-                    Ok(build_completions(items))
-                }
-            }
-        })
-    }
-
-    fn run(
-        self: Arc<Self>,
-        arguments: &[String],
-        _context_slash_command_output_sections: &[SlashCommandOutputSection<language::Anchor>],
-        _context_buffer: BufferSnapshot,
-        _workspace: WeakEntity<Workspace>,
-        _delegate: Option<Arc<dyn LspAdapterDelegate>>,
-        _: &mut Window,
-        cx: &mut App,
-    ) -> Task<SlashCommandResult> {
-        if arguments.is_empty() {
-            return Task::ready(Err(anyhow!("missing an argument")));
-        };
-
-        let args = DocsSlashCommandArgs::parse(arguments);
-        let executor = cx.background_executor().clone();
-        let task = cx.background_spawn({
-            let store = args
-                .provider()
-                .context("no docs provider specified")
-                .and_then(|provider| IndexedDocsStore::try_global(provider, cx));
-            async move {
-                let (provider, key) = match args.clone() {
-                    DocsSlashCommandArgs::NoProvider => bail!("no docs provider specified"),
-                    DocsSlashCommandArgs::SearchPackageDocs {
-                        provider, package, ..
-                    } => (provider, package),
-                    DocsSlashCommandArgs::SearchItemDocs {
-                        provider,
-                        item_path,
-                        ..
-                    } => (provider, item_path),
-                };
-
-                if key.trim().is_empty() {
-                    bail!(
-                        "no {package_term} name provided",
-                        package_term = package_term(&provider)
-                    );
-                }
-
-                let store = store?;
-
-                if let Some(package) = args.package() {
-                    Self::run_just_in_time_indexing(store.clone(), key.clone(), package, executor)
-                        .await;
-                }
-
-                let (text, ranges) = if let Some((prefix, _)) = key.split_once('*') {
-                    let docs = store.load_many_by_prefix(prefix.to_string()).await?;
-
-                    let mut text = String::new();
-                    let mut ranges = Vec::new();
-
-                    for (key, docs) in docs {
-                        let prev_len = text.len();
-
-                        text.push_str(&docs.0);
-                        text.push_str("\n");
-                        ranges.push((key, prev_len..text.len()));
-                        text.push_str("\n");
-                    }
-
-                    (text, ranges)
-                } else {
-                    let item_docs = store.load(key.clone()).await?;
-                    let text = item_docs.to_string();
-                    let range = 0..text.len();
-
-                    (text, vec![(key, range)])
-                };
-
-                anyhow::Ok((provider, text, ranges))
-            }
-        });
-
-        cx.foreground_executor().spawn(async move {
-            let (provider, text, ranges) = task.await?;
-            Ok(SlashCommandOutput {
-                text,
-                sections: ranges
-                    .into_iter()
-                    .map(|(key, range)| SlashCommandOutputSection {
-                        range,
-                        icon: IconName::FileDoc,
-                        label: format!("docs ({provider}): {key}",).into(),
-                        metadata: None,
-                    })
-                    .collect(),
-                run_commands_in_text: false,
-            }
-            .to_event_stream())
-        })
-    }
-}
-
-fn is_item_path_delimiter(char: char) -> bool {
-    !char.is_alphanumeric() && char != '-' && char != '_'
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub enum DocsSlashCommandArgs {
-    NoProvider,
-    SearchPackageDocs {
-        provider: ProviderId,
-        package: String,
-        index: bool,
-    },
-    SearchItemDocs {
-        provider: ProviderId,
-        package: String,
-        item_path: String,
-    },
-}
-
-impl DocsSlashCommandArgs {
-    pub fn parse(arguments: &[String]) -> Self {
-        let Some(provider) = arguments
-            .get(0)
-            .cloned()
-            .filter(|arg| !arg.trim().is_empty())
-        else {
-            return Self::NoProvider;
-        };
-        let provider = ProviderId(provider.into());
-        let Some(argument) = arguments.get(1) else {
-            return Self::NoProvider;
-        };
-
-        if let Some((package, rest)) = argument.split_once(is_item_path_delimiter) {
-            if rest.trim().is_empty() {
-                Self::SearchPackageDocs {
-                    provider,
-                    package: package.to_owned(),
-                    index: true,
-                }
-            } else {
-                Self::SearchItemDocs {
-                    provider,
-                    package: package.to_owned(),
-                    item_path: argument.to_owned(),
-                }
-            }
-        } else {
-            Self::SearchPackageDocs {
-                provider,
-                package: argument.to_owned(),
-                index: false,
-            }
-        }
-    }
-
-    pub fn provider(&self) -> Option<ProviderId> {
-        match self {
-            Self::NoProvider => None,
-            Self::SearchPackageDocs { provider, .. } | Self::SearchItemDocs { provider, .. } => {
-                Some(provider.clone())
-            }
-        }
-    }
-
-    pub fn package(&self) -> Option<PackageName> {
-        match self {
-            Self::NoProvider => None,
-            Self::SearchPackageDocs { package, .. } | Self::SearchItemDocs { package, .. } => {
-                Some(package.as_str().into())
-            }
-        }
-    }
-}
-
-/// Returns the term used to refer to a package.
-fn package_term(provider: &ProviderId) -> &'static str {
-    if provider == &DocsDotRsProvider::id() || provider == &LocalRustdocProvider::id() {
-        return "crate";
-    }
-
-    "package"
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_parse_docs_slash_command_args() {
-        assert_eq!(
-            DocsSlashCommandArgs::parse(&["".to_string()]),
-            DocsSlashCommandArgs::NoProvider
-        );
-        assert_eq!(
-            DocsSlashCommandArgs::parse(&["rustdoc".to_string()]),
-            DocsSlashCommandArgs::NoProvider
-        );
-
-        assert_eq!(
-            DocsSlashCommandArgs::parse(&["rustdoc".to_string(), "".to_string()]),
-            DocsSlashCommandArgs::SearchPackageDocs {
-                provider: ProviderId("rustdoc".into()),
-                package: "".into(),
-                index: false
-            }
-        );
-        assert_eq!(
-            DocsSlashCommandArgs::parse(&["gleam".to_string(), "".to_string()]),
-            DocsSlashCommandArgs::SearchPackageDocs {
-                provider: ProviderId("gleam".into()),
-                package: "".into(),
-                index: false
-            }
-        );
-
-        assert_eq!(
-            DocsSlashCommandArgs::parse(&["rustdoc".to_string(), "gpui".to_string()]),
-            DocsSlashCommandArgs::SearchPackageDocs {
-                provider: ProviderId("rustdoc".into()),
-                package: "gpui".into(),
-                index: false,
-            }
-        );
-        assert_eq!(
-            DocsSlashCommandArgs::parse(&["gleam".to_string(), "gleam_stdlib".to_string()]),
-            DocsSlashCommandArgs::SearchPackageDocs {
-                provider: ProviderId("gleam".into()),
-                package: "gleam_stdlib".into(),
-                index: false
-            }
-        );
-
-        // Adding an item path delimiter indicates we can start indexing.
-        assert_eq!(
-            DocsSlashCommandArgs::parse(&["rustdoc".to_string(), "gpui:".to_string()]),
-            DocsSlashCommandArgs::SearchPackageDocs {
-                provider: ProviderId("rustdoc".into()),
-                package: "gpui".into(),
-                index: true,
-            }
-        );
-        assert_eq!(
-            DocsSlashCommandArgs::parse(&["gleam".to_string(), "gleam_stdlib/".to_string()]),
-            DocsSlashCommandArgs::SearchPackageDocs {
-                provider: ProviderId("gleam".into()),
-                package: "gleam_stdlib".into(),
-                index: true
-            }
-        );
-
-        assert_eq!(
-            DocsSlashCommandArgs::parse(&[
-                "rustdoc".to_string(),
-                "gpui::foo::bar::Baz".to_string()
-            ]),
-            DocsSlashCommandArgs::SearchItemDocs {
-                provider: ProviderId("rustdoc".into()),
-                package: "gpui".into(),
-                item_path: "gpui::foo::bar::Baz".into()
-            }
-        );
-        assert_eq!(
-            DocsSlashCommandArgs::parse(&[
-                "gleam".to_string(),
-                "gleam_stdlib/gleam/int".to_string()
-            ]),
-            DocsSlashCommandArgs::SearchItemDocs {
-                provider: ProviderId("gleam".into()),
-                package: "gleam_stdlib".into(),
-                item_path: "gleam_stdlib/gleam/int".into()
-            }
-        );
-    }
-}
diff --git a/crates/assistant_slash_commands/src/fetch_command.rs b/crates/assistant_slash_commands/src/fetch_command.rs
index 5e586d4f23..6d3f66c9a2 100644
--- a/crates/assistant_slash_commands/src/fetch_command.rs
+++ b/crates/assistant_slash_commands/src/fetch_command.rs
@@ -112,7 +112,7 @@ impl SlashCommand for FetchSlashCommand {
     }
 
     fn icon(&self) -> IconName {
-        IconName::Globe
+        IconName::ToolWeb
     }
 
     fn menu_text(&self) -> String {
@@ -171,13 +171,13 @@ impl SlashCommand for FetchSlashCommand {
                 text,
                 sections: vec![SlashCommandOutputSection {
                     range,
-                    icon: IconName::Globe,
+                    icon: IconName::ToolWeb,
                     label: format!("fetch {}", url).into(),
                     metadata: None,
                 }],
                 run_commands_in_text: false,
             }
-            .to_event_stream())
+            .into_event_stream())
         })
     }
 }
diff --git a/crates/assistant_slash_commands/src/file_command.rs b/crates/assistant_slash_commands/src/file_command.rs
index c913ccc0f1..a973d653e4 100644
--- a/crates/assistant_slash_commands/src/file_command.rs
+++ b/crates/assistant_slash_commands/src/file_command.rs
@@ -92,7 +92,7 @@ impl FileSlashCommand {
                         snapshot: worktree.snapshot(),
                         include_ignored: worktree
                             .root_entry()
-                            .map_or(false, |entry| entry.is_ignored),
+                            .is_some_and(|entry| entry.is_ignored),
                         include_root_name: true,
                         candidates: project::Candidates::Entries,
                     }
@@ -223,7 +223,7 @@ fn collect_files(
     cx: &mut App,
 ) -> impl Stream<Item = Result<SlashCommandEvent>> + use<> {
     let Ok(matchers) = glob_inputs
-        .into_iter()
+        .iter()
         .map(|glob_input| {
             custom_path_matcher::PathMatcher::new(&[glob_input.to_owned()])
                 .with_context(|| format!("invalid path {glob_input}"))
@@ -371,7 +371,7 @@ fn collect_files(
                             &mut output,
                         )
                         .log_err();
-                        let mut buffer_events = output.to_event_stream();
+                        let mut buffer_events = output.into_event_stream();
                         while let Some(event) = buffer_events.next().await {
                             events_tx.unbounded_send(event)?;
                         }
@@ -379,7 +379,7 @@ fn collect_files(
                 }
             }
 
-            while let Some(_) = directory_stack.pop() {
+            while directory_stack.pop().is_some() {
                 events_tx.unbounded_send(Ok(SlashCommandEvent::EndSection))?;
             }
         }
@@ -491,7 +491,7 @@ mod custom_path_matcher {
     impl PathMatcher {
         pub fn new(globs: &[String]) -> Result<Self, globset::Error> {
             let globs = globs
-                .into_iter()
+                .iter()
                 .map(|glob| Glob::new(&SanitizedPath::from(glob).to_glob_string()))
                 .collect::<Result<Vec<_>, _>>()?;
             let sources = globs.iter().map(|glob| glob.glob().to_owned()).collect();
@@ -536,7 +536,7 @@ mod custom_path_matcher {
             let path_str = path.to_string_lossy();
             let separator = std::path::MAIN_SEPARATOR_STR;
             if path_str.ends_with(separator) {
-                return false;
+                false
             } else {
                 self.glob.is_match(path_str.to_string() + separator)
             }
diff --git a/crates/assistant_slash_commands/src/now_command.rs b/crates/assistant_slash_commands/src/now_command.rs
index e4abef2a7c..aec21e7173 100644
--- a/crates/assistant_slash_commands/src/now_command.rs
+++ b/crates/assistant_slash_commands/src/now_command.rs
@@ -66,6 +66,6 @@ impl SlashCommand for NowSlashCommand {
             }],
             run_commands_in_text: false,
         }
-        .to_event_stream()))
+        .into_event_stream()))
     }
 }
diff --git a/crates/assistant_slash_commands/src/prompt_command.rs b/crates/assistant_slash_commands/src/prompt_command.rs
index c177f9f359..bbd6d3e3ad 100644
--- a/crates/assistant_slash_commands/src/prompt_command.rs
+++ b/crates/assistant_slash_commands/src/prompt_command.rs
@@ -80,7 +80,7 @@ impl SlashCommand for PromptSlashCommand {
         };
 
         let store = PromptStore::global(cx);
-        let title = SharedString::from(title.clone());
+        let title = SharedString::from(title);
         let prompt = cx.spawn({
             let title = title.clone();
             async move |cx| {
@@ -117,7 +117,7 @@ impl SlashCommand for PromptSlashCommand {
                 }],
                 run_commands_in_text: true,
             }
-            .to_event_stream())
+            .into_event_stream())
         })
     }
 }
diff --git a/crates/assistant_slash_commands/src/symbols_command.rs b/crates/assistant_slash_commands/src/symbols_command.rs
index ef93146431..3028709144 100644
--- a/crates/assistant_slash_commands/src/symbols_command.rs
+++ b/crates/assistant_slash_commands/src/symbols_command.rs
@@ -92,7 +92,7 @@ impl SlashCommand for OutlineSlashCommand {
                     text: outline_text,
                     run_commands_in_text: false,
                 }
-                .to_event_stream())
+                .into_event_stream())
             })
         });
 
diff --git a/crates/assistant_slash_commands/src/tab_command.rs b/crates/assistant_slash_commands/src/tab_command.rs
index ca7601bc4c..a124beed63 100644
--- a/crates/assistant_slash_commands/src/tab_command.rs
+++ b/crates/assistant_slash_commands/src/tab_command.rs
@@ -157,7 +157,7 @@ impl SlashCommand for TabSlashCommand {
             for (full_path, buffer, _) in tab_items_search.await? {
                 append_buffer_to_output(&buffer, full_path.as_deref(), &mut output).log_err();
             }
-            Ok(output.to_event_stream())
+            Ok(output.into_event_stream())
         })
     }
 }
@@ -195,16 +195,14 @@ fn tab_items_for_queries(
                     }
 
                     for editor in workspace.items_of_type::<Editor>(cx) {
-                        if let Some(buffer) = editor.read(cx).buffer().read(cx).as_singleton() {
-                            if let Some(timestamp) =
+                        if let Some(buffer) = editor.read(cx).buffer().read(cx).as_singleton()
+                            && let Some(timestamp) =
                                 timestamps_by_entity_id.get(&editor.entity_id())
-                            {
-                                if visited_buffers.insert(buffer.read(cx).remote_id()) {
-                                    let snapshot = buffer.read(cx).snapshot();
-                                    let full_path = snapshot.resolve_file_path(cx, true);
-                                    open_buffers.push((full_path, snapshot, *timestamp));
-                                }
-                            }
+                            && visited_buffers.insert(buffer.read(cx).remote_id())
+                        {
+                            let snapshot = buffer.read(cx).snapshot();
+                            let full_path = snapshot.resolve_file_path(cx, true);
+                            open_buffers.push((full_path, snapshot, *timestamp));
                         }
                     }
 
diff --git a/crates/assistant_tool/Cargo.toml b/crates/assistant_tool/Cargo.toml
index acbe674b02..c95695052a 100644
--- a/crates/assistant_tool/Cargo.toml
+++ b/crates/assistant_tool/Cargo.toml
@@ -12,12 +12,10 @@ workspace = true
 path = "src/assistant_tool.rs"
 
 [dependencies]
+action_log.workspace = true
 anyhow.workspace = true
-buffer_diff.workspace = true
-clock.workspace = true
 collections.workspace = true
 derive_more.workspace = true
-futures.workspace = true
 gpui.workspace = true
 icons.workspace = true
 language.workspace = true
@@ -30,7 +28,6 @@ serde.workspace = true
 serde_json.workspace = true
 text.workspace = true
 util.workspace = true
-watch.workspace = true
 workspace.workspace = true
 workspace-hack.workspace = true
 
diff --git a/crates/assistant_tool/src/assistant_tool.rs b/crates/assistant_tool/src/assistant_tool.rs
index 22cbaac3f8..9c5825d0f0 100644
--- a/crates/assistant_tool/src/assistant_tool.rs
+++ b/crates/assistant_tool/src/assistant_tool.rs
@@ -1,4 +1,3 @@
-mod action_log;
 pub mod outline;
 mod tool_registry;
 mod tool_schema;
@@ -10,6 +9,7 @@ use std::fmt::Formatter;
 use std::ops::Deref;
 use std::sync::Arc;
 
+use action_log::ActionLog;
 use anyhow::Result;
 use gpui::AnyElement;
 use gpui::AnyWindowHandle;
@@ -25,7 +25,6 @@ use language_model::LanguageModelToolSchemaFormat;
 use project::Project;
 use workspace::Workspace;
 
-pub use crate::action_log::*;
 pub use crate::tool_registry::*;
 pub use crate::tool_schema::*;
 pub use crate::tool_working_set::*;
diff --git a/crates/assistant_tool/src/outline.rs b/crates/assistant_tool/src/outline.rs
index 6af204d79a..4f8bde5456 100644
--- a/crates/assistant_tool/src/outline.rs
+++ b/crates/assistant_tool/src/outline.rs
@@ -1,4 +1,4 @@
-use crate::ActionLog;
+use action_log::ActionLog;
 use anyhow::{Context as _, Result};
 use gpui::{AsyncApp, Entity};
 use language::{OutlineItem, ParseStatus};
diff --git a/crates/assistant_tool/src/tool_schema.rs b/crates/assistant_tool/src/tool_schema.rs
index 7b48f93ba6..192f7c8a2b 100644
--- a/crates/assistant_tool/src/tool_schema.rs
+++ b/crates/assistant_tool/src/tool_schema.rs
@@ -24,16 +24,16 @@ pub fn adapt_schema_to_format(
 fn preprocess_json_schema(json: &mut Value) -> Result<()> {
     // `additionalProperties` defaults to `false` unless explicitly specified.
     // This prevents models from hallucinating tool parameters.
-    if let Value::Object(obj) = json {
-        if matches!(obj.get("type"), Some(Value::String(s)) if s == "object") {
-            if !obj.contains_key("additionalProperties") {
-                obj.insert("additionalProperties".to_string(), Value::Bool(false));
-            }
+    if let Value::Object(obj) = json
+        && matches!(obj.get("type"), Some(Value::String(s)) if s == "object")
+    {
+        if !obj.contains_key("additionalProperties") {
+            obj.insert("additionalProperties".to_string(), Value::Bool(false));
+        }
 
-            // OpenAI API requires non-missing `properties`
-            if !obj.contains_key("properties") {
-                obj.insert("properties".to_string(), Value::Object(Default::default()));
-            }
+        // OpenAI API requires non-missing `properties`
+        if !obj.contains_key("properties") {
+            obj.insert("properties".to_string(), Value::Object(Default::default()));
         }
     }
     Ok(())
@@ -59,10 +59,10 @@ fn adapt_to_json_schema_subset(json: &mut Value) -> Result<()> {
             ("optional", |value| value.is_boolean()),
         ];
         for (key, predicate) in KEYS_TO_REMOVE {
-            if let Some(value) = obj.get(key) {
-                if predicate(value) {
-                    obj.remove(key);
-                }
+            if let Some(value) = obj.get(key)
+                && predicate(value)
+            {
+                obj.remove(key);
             }
         }
 
@@ -77,12 +77,12 @@ fn adapt_to_json_schema_subset(json: &mut Value) -> Result<()> {
         }
 
         // Handle oneOf -> anyOf conversion
-        if let Some(subschemas) = obj.get_mut("oneOf") {
-            if subschemas.is_array() {
-                let subschemas_clone = subschemas.clone();
-                obj.remove("oneOf");
-                obj.insert("anyOf".to_string(), subschemas_clone);
-            }
+        if let Some(subschemas) = obj.get_mut("oneOf")
+            && subschemas.is_array()
+        {
+            let subschemas_clone = subschemas.clone();
+            obj.remove("oneOf");
+            obj.insert("anyOf".to_string(), subschemas_clone);
         }
 
         // Recursively process all nested objects and arrays
diff --git a/crates/assistant_tool/src/tool_working_set.rs b/crates/assistant_tool/src/tool_working_set.rs
index c0a358917b..61f57affc7 100644
--- a/crates/assistant_tool/src/tool_working_set.rs
+++ b/crates/assistant_tool/src/tool_working_set.rs
@@ -156,13 +156,13 @@ fn resolve_context_server_tool_name_conflicts(
 
     if duplicated_tool_names.is_empty() {
         return context_server_tools
-            .into_iter()
+            .iter()
             .map(|tool| (resolve_tool_name(tool).into(), tool.clone()))
             .collect();
     }
 
     context_server_tools
-        .into_iter()
+        .iter()
         .filter_map(|tool| {
             let mut tool_name = resolve_tool_name(tool);
             if !duplicated_tool_names.contains(&tool_name) {
diff --git a/crates/assistant_tools/Cargo.toml b/crates/assistant_tools/Cargo.toml
index d4b8fa3afc..5a8ca8a5e9 100644
--- a/crates/assistant_tools/Cargo.toml
+++ b/crates/assistant_tools/Cargo.toml
@@ -15,6 +15,7 @@ path = "src/assistant_tools.rs"
 eval = []
 
 [dependencies]
+action_log.workspace = true
 agent_settings.workspace = true
 anyhow.workspace = true
 assistant_tool.workspace = true
diff --git a/crates/assistant_tools/src/assistant_tools.rs b/crates/assistant_tools/src/assistant_tools.rs
index 57fdc51336..ce3b639cb2 100644
--- a/crates/assistant_tools/src/assistant_tools.rs
+++ b/crates/assistant_tools/src/assistant_tools.rs
@@ -2,7 +2,7 @@ mod copy_path_tool;
 mod create_directory_tool;
 mod delete_path_tool;
 mod diagnostics_tool;
-mod edit_agent;
+pub mod edit_agent;
 mod edit_file_tool;
 mod fetch_tool;
 mod find_path_tool;
@@ -14,7 +14,7 @@ mod open_tool;
 mod project_notifications_tool;
 mod read_file_tool;
 mod schema;
-mod templates;
+pub mod templates;
 mod terminal_tool;
 mod thinking_tool;
 mod ui;
@@ -36,13 +36,12 @@ use crate::delete_path_tool::DeletePathTool;
 use crate::diagnostics_tool::DiagnosticsTool;
 use crate::edit_file_tool::EditFileTool;
 use crate::fetch_tool::FetchTool;
-use crate::find_path_tool::FindPathTool;
 use crate::list_directory_tool::ListDirectoryTool;
 use crate::now_tool::NowTool;
 use crate::thinking_tool::ThinkingTool;
 
 pub use edit_file_tool::{EditFileMode, EditFileToolInput};
-pub use find_path_tool::FindPathToolInput;
+pub use find_path_tool::*;
 pub use grep_tool::{GrepTool, GrepToolInput};
 pub use open_tool::OpenTool;
 pub use project_notifications_tool::ProjectNotificationsTool;
@@ -73,11 +72,10 @@ pub fn init(http_client: Arc<HttpClientWithUrl>, cx: &mut App) {
     register_web_search_tool(&LanguageModelRegistry::global(cx), cx);
     cx.subscribe(
         &LanguageModelRegistry::global(cx),
-        move |registry, event, cx| match event {
-            language_model::Event::DefaultModelChanged => {
+        move |registry, event, cx| {
+            if let language_model::Event::DefaultModelChanged = event {
                 register_web_search_tool(&registry, cx);
             }
-            _ => {}
         },
     )
     .detach();
@@ -87,7 +85,7 @@ fn register_web_search_tool(registry: &Entity<LanguageModelRegistry>, cx: &mut A
     let using_zed_provider = registry
         .read(cx)
         .default_model()
-        .map_or(false, |default| default.is_provided_by_zed());
+        .is_some_and(|default| default.is_provided_by_zed());
     if using_zed_provider {
         ToolRegistry::global(cx).register_tool(WebSearchTool);
     } else {
diff --git a/crates/assistant_tools/src/copy_path_tool.rs b/crates/assistant_tools/src/copy_path_tool.rs
index e34ae9ff93..c56a864bd4 100644
--- a/crates/assistant_tools/src/copy_path_tool.rs
+++ b/crates/assistant_tools/src/copy_path_tool.rs
@@ -1,6 +1,7 @@
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Context as _, Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use gpui::AnyWindowHandle;
 use gpui::{App, AppContext, Entity, Task};
 use language_model::LanguageModel;
diff --git a/crates/assistant_tools/src/create_directory_tool.rs b/crates/assistant_tools/src/create_directory_tool.rs
index 11d969d234..85eea463dc 100644
--- a/crates/assistant_tools/src/create_directory_tool.rs
+++ b/crates/assistant_tools/src/create_directory_tool.rs
@@ -1,6 +1,7 @@
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Context as _, Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use gpui::AnyWindowHandle;
 use gpui::{App, Entity, Task};
 use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchemaFormat};
diff --git a/crates/assistant_tools/src/delete_path_tool.rs b/crates/assistant_tools/src/delete_path_tool.rs
index 9e69c18b65..b181eeff5c 100644
--- a/crates/assistant_tools/src/delete_path_tool.rs
+++ b/crates/assistant_tools/src/delete_path_tool.rs
@@ -1,6 +1,7 @@
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Context as _, Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use futures::{SinkExt, StreamExt, channel::mpsc};
 use gpui::{AnyWindowHandle, App, AppContext, Entity, Task};
 use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchemaFormat};
diff --git a/crates/assistant_tools/src/diagnostics_tool.rs b/crates/assistant_tools/src/diagnostics_tool.rs
index 12ab97f820..4ec794e127 100644
--- a/crates/assistant_tools/src/diagnostics_tool.rs
+++ b/crates/assistant_tools/src/diagnostics_tool.rs
@@ -1,6 +1,7 @@
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use gpui::{AnyWindowHandle, App, Entity, Task};
 use language::{DiagnosticSeverity, OffsetRangeExt};
 use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchemaFormat};
@@ -85,7 +86,7 @@ impl Tool for DiagnosticsTool {
         input: serde_json::Value,
         _request: Arc<LanguageModelRequest>,
         project: Entity<Project>,
-        action_log: Entity<ActionLog>,
+        _action_log: Entity<ActionLog>,
         _model: Arc<dyn LanguageModel>,
         _window: Option<AnyWindowHandle>,
         cx: &mut App,
@@ -158,10 +159,6 @@ impl Tool for DiagnosticsTool {
                     }
                 }
 
-                action_log.update(cx, |action_log, _cx| {
-                    action_log.checked_project_diagnostics();
-                });
-
                 if has_diagnostics {
                     Task::ready(Ok(output.into())).into()
                 } else {
diff --git a/crates/assistant_tools/src/edit_agent.rs b/crates/assistant_tools/src/edit_agent.rs
index fed79434bb..665ece2baa 100644
--- a/crates/assistant_tools/src/edit_agent.rs
+++ b/crates/assistant_tools/src/edit_agent.rs
@@ -5,8 +5,8 @@ mod evals;
 mod streaming_fuzzy_matcher;
 
 use crate::{Template, Templates};
+use action_log::ActionLog;
 use anyhow::Result;
-use assistant_tool::ActionLog;
 use cloud_llm_client::CompletionIntent;
 use create_file_parser::{CreateFileParser, CreateFileParserEvent};
 pub use edit_parser::EditFormat;
@@ -29,7 +29,6 @@ use serde::{Deserialize, Serialize};
 use std::{cmp, iter, mem, ops::Range, path::PathBuf, pin::Pin, sync::Arc, task::Poll};
 use streaming_diff::{CharOperation, StreamingDiff};
 use streaming_fuzzy_matcher::StreamingFuzzyMatcher;
-use util::debug_panic;
 
 #[derive(Serialize)]
 struct CreateFilePromptTemplate {
@@ -66,7 +65,7 @@ pub enum EditAgentOutputEvent {
     ResolvingEditRange(Range<Anchor>),
     UnresolvedEditRange,
     AmbiguousEditRange(Vec<Range<usize>>),
-    Edited,
+    Edited(Range<Anchor>),
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
@@ -179,7 +178,9 @@ impl EditAgent {
                 )
             });
             output_events_tx
-                .unbounded_send(EditAgentOutputEvent::Edited)
+                .unbounded_send(EditAgentOutputEvent::Edited(
+                    language::Anchor::MIN..language::Anchor::MAX,
+                ))
                 .ok();
         })?;
 
@@ -201,7 +202,9 @@ impl EditAgent {
                         });
                     })?;
                     output_events_tx
-                        .unbounded_send(EditAgentOutputEvent::Edited)
+                        .unbounded_send(EditAgentOutputEvent::Edited(
+                            language::Anchor::MIN..language::Anchor::MAX,
+                        ))
                         .ok();
                 }
             }
@@ -337,8 +340,8 @@ impl EditAgent {
                 // Edit the buffer and report edits to the action log as part of the
                 // same effect cycle, otherwise the edit will be reported as if the
                 // user made it.
-                cx.update(|cx| {
-                    let max_edit_end = buffer.update(cx, |buffer, cx| {
+                let (min_edit_start, max_edit_end) = cx.update(|cx| {
+                    let (min_edit_start, max_edit_end) = buffer.update(cx, |buffer, cx| {
                         buffer.edit(edits.iter().cloned(), None, cx);
                         let max_edit_end = buffer
                             .summaries_for_anchors::<Point, _>(
@@ -346,7 +349,16 @@ impl EditAgent {
                             )
                             .max()
                             .unwrap();
-                        buffer.anchor_before(max_edit_end)
+                        let min_edit_start = buffer
+                            .summaries_for_anchors::<Point, _>(
+                                edits.iter().map(|(range, _)| &range.start),
+                            )
+                            .min()
+                            .unwrap();
+                        (
+                            buffer.anchor_after(min_edit_start),
+                            buffer.anchor_before(max_edit_end),
+                        )
                     });
                     self.action_log
                         .update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
@@ -359,9 +371,10 @@ impl EditAgent {
                             cx,
                         );
                     });
+                    (min_edit_start, max_edit_end)
                 })?;
                 output_events
-                    .unbounded_send(EditAgentOutputEvent::Edited)
+                    .unbounded_send(EditAgentOutputEvent::Edited(min_edit_start..max_edit_end))
                     .ok();
             }
 
@@ -659,34 +672,30 @@ impl EditAgent {
         cx: &mut AsyncApp,
     ) -> Result<BoxStream<'static, Result<String, LanguageModelCompletionError>>> {
         let mut messages_iter = conversation.messages.iter_mut();
-        if let Some(last_message) = messages_iter.next_back() {
-            if last_message.role == Role::Assistant {
-                let old_content_len = last_message.content.len();
-                last_message
-                    .content
-                    .retain(|content| !matches!(content, MessageContent::ToolUse(_)));
-                let new_content_len = last_message.content.len();
+        if let Some(last_message) = messages_iter.next_back()
+            && last_message.role == Role::Assistant
+        {
+            let old_content_len = last_message.content.len();
+            last_message
+                .content
+                .retain(|content| !matches!(content, MessageContent::ToolUse(_)));
+            let new_content_len = last_message.content.len();
 
-                // We just removed pending tool uses from the content of the
-                // last message, so it doesn't make sense to cache it anymore
-                // (e.g., the message will look very different on the next
-                // request). Thus, we move the flag to the message prior to it,
-                // as it will still be a valid prefix of the conversation.
-                if old_content_len != new_content_len && last_message.cache {
-                    if let Some(prev_message) = messages_iter.next_back() {
-                        last_message.cache = false;
-                        prev_message.cache = true;
-                    }
-                }
+            // We just removed pending tool uses from the content of the
+            // last message, so it doesn't make sense to cache it anymore
+            // (e.g., the message will look very different on the next
+            // request). Thus, we move the flag to the message prior to it,
+            // as it will still be a valid prefix of the conversation.
+            if old_content_len != new_content_len
+                && last_message.cache
+                && let Some(prev_message) = messages_iter.next_back()
+            {
+                last_message.cache = false;
+                prev_message.cache = true;
+            }
 
-                if last_message.content.is_empty() {
-                    conversation.messages.pop();
-                }
-            } else {
-                debug_panic!(
-                    "Last message must be an Assistant tool calling! Got {:?}",
-                    last_message.content
-                );
+            if last_message.content.is_empty() {
+                conversation.messages.pop();
             }
         }
 
@@ -761,6 +770,7 @@ mod tests {
     use gpui::{AppContext, TestAppContext};
     use indoc::indoc;
     use language_model::fake_provider::FakeLanguageModel;
+    use pretty_assertions::assert_matches;
     use project::{AgentLocation, Project};
     use rand::prelude::*;
     use rand::rngs::StdRng;
@@ -962,7 +972,7 @@ mod tests {
         );
         cx.run_until_parked();
 
-        model.stream_last_completion_response("<old_text>a");
+        model.send_last_completion_stream_text_chunk("<old_text>a");
         cx.run_until_parked();
         assert_eq!(drain_events(&mut events), vec![]);
         assert_eq!(
@@ -974,7 +984,7 @@ mod tests {
             None
         );
 
-        model.stream_last_completion_response("bc</old_text>");
+        model.send_last_completion_stream_text_chunk("bc</old_text>");
         cx.run_until_parked();
         assert_eq!(
             drain_events(&mut events),
@@ -996,9 +1006,12 @@ mod tests {
             })
         );
 
-        model.stream_last_completion_response("<new_text>abX");
+        model.send_last_completion_stream_text_chunk("<new_text>abX");
         cx.run_until_parked();
-        assert_eq!(drain_events(&mut events), [EditAgentOutputEvent::Edited]);
+        assert_matches!(
+            drain_events(&mut events).as_slice(),
+            [EditAgentOutputEvent::Edited(_)]
+        );
         assert_eq!(
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
             "abXc\ndef\nghi\njkl"
@@ -1011,9 +1024,12 @@ mod tests {
             })
         );
 
-        model.stream_last_completion_response("cY");
+        model.send_last_completion_stream_text_chunk("cY");
         cx.run_until_parked();
-        assert_eq!(drain_events(&mut events), [EditAgentOutputEvent::Edited]);
+        assert_matches!(
+            drain_events(&mut events).as_slice(),
+            [EditAgentOutputEvent::Edited { .. }]
+        );
         assert_eq!(
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
             "abXcY\ndef\nghi\njkl"
@@ -1026,8 +1042,8 @@ mod tests {
             })
         );
 
-        model.stream_last_completion_response("</new_text>");
-        model.stream_last_completion_response("<old_text>hall");
+        model.send_last_completion_stream_text_chunk("</new_text>");
+        model.send_last_completion_stream_text_chunk("<old_text>hall");
         cx.run_until_parked();
         assert_eq!(drain_events(&mut events), vec![]);
         assert_eq!(
@@ -1042,8 +1058,8 @@ mod tests {
             })
         );
 
-        model.stream_last_completion_response("ucinated old</old_text>");
-        model.stream_last_completion_response("<new_text>");
+        model.send_last_completion_stream_text_chunk("ucinated old</old_text>");
+        model.send_last_completion_stream_text_chunk("<new_text>");
         cx.run_until_parked();
         assert_eq!(
             drain_events(&mut events),
@@ -1061,8 +1077,8 @@ mod tests {
             })
         );
 
-        model.stream_last_completion_response("hallucinated new</new_");
-        model.stream_last_completion_response("text>");
+        model.send_last_completion_stream_text_chunk("hallucinated new</new_");
+        model.send_last_completion_stream_text_chunk("text>");
         cx.run_until_parked();
         assert_eq!(drain_events(&mut events), vec![]);
         assert_eq!(
@@ -1077,7 +1093,7 @@ mod tests {
             })
         );
 
-        model.stream_last_completion_response("<old_text>\nghi\nj");
+        model.send_last_completion_stream_text_chunk("<old_text>\nghi\nj");
         cx.run_until_parked();
         assert_eq!(
             drain_events(&mut events),
@@ -1099,8 +1115,8 @@ mod tests {
             })
         );
 
-        model.stream_last_completion_response("kl</old_text>");
-        model.stream_last_completion_response("<new_text>");
+        model.send_last_completion_stream_text_chunk("kl</old_text>");
+        model.send_last_completion_stream_text_chunk("<new_text>");
         cx.run_until_parked();
         assert_eq!(
             drain_events(&mut events),
@@ -1122,11 +1138,11 @@ mod tests {
             })
         );
 
-        model.stream_last_completion_response("GHI</new_text>");
+        model.send_last_completion_stream_text_chunk("GHI</new_text>");
         cx.run_until_parked();
-        assert_eq!(
-            drain_events(&mut events),
-            vec![EditAgentOutputEvent::Edited]
+        assert_matches!(
+            drain_events(&mut events).as_slice(),
+            [EditAgentOutputEvent::Edited { .. }]
         );
         assert_eq!(
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
@@ -1171,9 +1187,9 @@ mod tests {
         );
 
         cx.run_until_parked();
-        assert_eq!(
-            drain_events(&mut events),
-            vec![EditAgentOutputEvent::Edited]
+        assert_matches!(
+            drain_events(&mut events).as_slice(),
+            [EditAgentOutputEvent::Edited(_)]
         );
         assert_eq!(
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
@@ -1189,9 +1205,9 @@ mod tests {
 
         chunks_tx.unbounded_send("```\njkl\n").unwrap();
         cx.run_until_parked();
-        assert_eq!(
-            drain_events(&mut events),
-            vec![EditAgentOutputEvent::Edited]
+        assert_matches!(
+            drain_events(&mut events).as_slice(),
+            [EditAgentOutputEvent::Edited { .. }]
         );
         assert_eq!(
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
@@ -1207,9 +1223,9 @@ mod tests {
 
         chunks_tx.unbounded_send("mno\n").unwrap();
         cx.run_until_parked();
-        assert_eq!(
-            drain_events(&mut events),
-            vec![EditAgentOutputEvent::Edited]
+        assert_matches!(
+            drain_events(&mut events).as_slice(),
+            [EditAgentOutputEvent::Edited { .. }]
         );
         assert_eq!(
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
@@ -1225,9 +1241,9 @@ mod tests {
 
         chunks_tx.unbounded_send("pqr\n```").unwrap();
         cx.run_until_parked();
-        assert_eq!(
-            drain_events(&mut events),
-            vec![EditAgentOutputEvent::Edited]
+        assert_matches!(
+            drain_events(&mut events).as_slice(),
+            [EditAgentOutputEvent::Edited(_)],
         );
         assert_eq!(
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
@@ -1367,7 +1383,9 @@ mod tests {
         cx.background_spawn(async move {
             for chunk in chunks {
                 executor.simulate_random_delay().await;
-                model.as_fake().stream_last_completion_response(chunk);
+                model
+                    .as_fake()
+                    .send_last_completion_stream_text_chunk(chunk);
             }
             model.as_fake().end_last_completion_stream();
         })
diff --git a/crates/assistant_tools/src/edit_agent/create_file_parser.rs b/crates/assistant_tools/src/edit_agent/create_file_parser.rs
index 07c8fac7b9..0aad9ecb87 100644
--- a/crates/assistant_tools/src/edit_agent/create_file_parser.rs
+++ b/crates/assistant_tools/src/edit_agent/create_file_parser.rs
@@ -1,10 +1,11 @@
+use std::sync::OnceLock;
+
 use regex::Regex;
 use smallvec::SmallVec;
-use std::cell::LazyCell;
 use util::debug_panic;
 
-const START_MARKER: LazyCell<Regex> = LazyCell::new(|| Regex::new(r"\n?```\S*\n").unwrap());
-const END_MARKER: LazyCell<Regex> = LazyCell::new(|| Regex::new(r"(^|\n)```\s*$").unwrap());
+static START_MARKER: OnceLock<Regex> = OnceLock::new();
+static END_MARKER: OnceLock<Regex> = OnceLock::new();
 
 #[derive(Debug)]
 pub enum CreateFileParserEvent {
@@ -43,10 +44,12 @@ impl CreateFileParser {
         self.buffer.push_str(chunk);
 
         let mut edit_events = SmallVec::new();
+        let start_marker_regex = START_MARKER.get_or_init(|| Regex::new(r"\n?```\S*\n").unwrap());
+        let end_marker_regex = END_MARKER.get_or_init(|| Regex::new(r"(^|\n)```\s*$").unwrap());
         loop {
             match &mut self.state {
                 ParserState::Pending => {
-                    if let Some(m) = START_MARKER.find(&self.buffer) {
+                    if let Some(m) = start_marker_regex.find(&self.buffer) {
                         self.buffer.drain(..m.end());
                         self.state = ParserState::WithinText;
                     } else {
@@ -65,7 +68,7 @@ impl CreateFileParser {
                     break;
                 }
                 ParserState::Finishing => {
-                    if let Some(m) = END_MARKER.find(&self.buffer) {
+                    if let Some(m) = end_marker_regex.find(&self.buffer) {
                         self.buffer.drain(m.start()..);
                     }
                     if !self.buffer.is_empty() {
diff --git a/crates/assistant_tools/src/edit_agent/evals.rs b/crates/assistant_tools/src/edit_agent/evals.rs
index eda7eee0e3..4f182b3148 100644
--- a/crates/assistant_tools/src/edit_agent/evals.rs
+++ b/crates/assistant_tools/src/edit_agent/evals.rs
@@ -1153,8 +1153,7 @@ impl EvalInput {
             .expect("Conversation must end with an edit_file tool use")
             .clone();
 
-        let edit_file_input: EditFileToolInput =
-            serde_json::from_value(tool_use.input.clone()).unwrap();
+        let edit_file_input: EditFileToolInput = serde_json::from_value(tool_use.input).unwrap();
 
         EvalInput {
             conversation,
@@ -1283,14 +1282,14 @@ impl EvalAssertion {
 
             // Parse the score from the response
             let re = regex::Regex::new(r"<score>(\d+)</score>").unwrap();
-            if let Some(captures) = re.captures(&output) {
-                if let Some(score_match) = captures.get(1) {
-                    let score = score_match.as_str().parse().unwrap_or(0);
-                    return Ok(EvalAssertionOutcome {
-                        score,
-                        message: Some(output),
-                    });
-                }
+            if let Some(captures) = re.captures(&output)
+                && let Some(score_match) = captures.get(1)
+            {
+                let score = score_match.as_str().parse().unwrap_or(0);
+                return Ok(EvalAssertionOutcome {
+                    score,
+                    message: Some(output),
+                });
             }
 
             anyhow::bail!("No score found in response. Raw output: {output}");
@@ -1460,7 +1459,7 @@ impl EditAgentTest {
     async fn new(cx: &mut TestAppContext) -> Self {
         cx.executor().allow_parking();
 
-        let fs = FakeFs::new(cx.executor().clone());
+        let fs = FakeFs::new(cx.executor());
         cx.update(|cx| {
             settings::init(cx);
             gpui_tokio::init(cx);
@@ -1475,7 +1474,7 @@ impl EditAgentTest {
             Project::init_settings(cx);
             language::init(cx);
             language_model::init(client.clone(), cx);
-            language_models::init(user_store.clone(), client.clone(), cx);
+            language_models::init(user_store, client.clone(), cx);
             crate::init(client.http_client(), cx);
         });
 
@@ -1586,7 +1585,7 @@ impl EditAgentTest {
         let has_system_prompt = eval
             .conversation
             .first()
-            .map_or(false, |msg| msg.role == Role::System);
+            .is_some_and(|msg| msg.role == Role::System);
         let messages = if has_system_prompt {
             eval.conversation
         } else {
@@ -1658,23 +1657,24 @@ impl EditAgentTest {
 }
 
 async fn retry_on_rate_limit<R>(mut request: impl AsyncFnMut() -> Result<R>) -> Result<R> {
+    const MAX_RETRIES: usize = 20;
     let mut attempt = 0;
+
     loop {
         attempt += 1;
-        match request().await {
-            Ok(result) => return Ok(result),
-            Err(err) => match err.downcast::<LanguageModelCompletionError>() {
-                Ok(err) => match &err {
+        let response = request().await;
+
+        if attempt >= MAX_RETRIES {
+            return response;
+        }
+
+        let retry_delay = match &response {
+            Ok(_) => None,
+            Err(err) => match err.downcast_ref::<LanguageModelCompletionError>() {
+                Some(err) => match &err {
                     LanguageModelCompletionError::RateLimitExceeded { retry_after, .. }
                     | LanguageModelCompletionError::ServerOverloaded { retry_after, .. } => {
-                        let retry_after = retry_after.unwrap_or(Duration::from_secs(5));
-                        // Wait for the duration supplied, with some jitter to avoid all requests being made at the same time.
-                        let jitter = retry_after.mul_f64(rand::thread_rng().gen_range(0.0..1.0));
-                        eprintln!(
-                            "Attempt #{attempt}: {err}. Retry after {retry_after:?} + jitter of {jitter:?}"
-                        );
-                        Timer::after(retry_after + jitter).await;
-                        continue;
+                        Some(retry_after.unwrap_or(Duration::from_secs(5)))
                     }
                     LanguageModelCompletionError::UpstreamProviderError {
                         status,
@@ -1687,23 +1687,31 @@ async fn retry_on_rate_limit<R>(mut request: impl AsyncFnMut() -> Result<R>) ->
                             StatusCode::TOO_MANY_REQUESTS | StatusCode::SERVICE_UNAVAILABLE
                         ) || status.as_u16() == 529;
 
-                        if !should_retry {
-                            return Err(err.into());
+                        if should_retry {
+                            // Use server-provided retry_after if available, otherwise use default
+                            Some(retry_after.unwrap_or(Duration::from_secs(5)))
+                        } else {
+                            None
                         }
-
-                        // Use server-provided retry_after if available, otherwise use default
-                        let retry_after = retry_after.unwrap_or(Duration::from_secs(5));
-                        let jitter = retry_after.mul_f64(rand::thread_rng().gen_range(0.0..1.0));
-                        eprintln!(
-                            "Attempt #{attempt}: {err}. Retry after {retry_after:?} + jitter of {jitter:?}"
-                        );
-                        Timer::after(retry_after + jitter).await;
-                        continue;
                     }
-                    _ => return Err(err.into()),
+                    LanguageModelCompletionError::ApiReadResponseError { .. }
+                    | LanguageModelCompletionError::ApiInternalServerError { .. }
+                    | LanguageModelCompletionError::HttpSend { .. } => {
+                        // Exponential backoff for transient I/O and internal server errors
+                        Some(Duration::from_secs(2_u64.pow((attempt - 1) as u32).min(30)))
+                    }
+                    _ => None,
                 },
-                Err(err) => return Err(err),
+                _ => None,
             },
+        };
+
+        if let Some(retry_after) = retry_delay {
+            let jitter = retry_after.mul_f64(rand::thread_rng().gen_range(0.0..1.0));
+            eprintln!("Attempt #{attempt}: Retry after {retry_after:?} + jitter of {jitter:?}");
+            Timer::after(retry_after + jitter).await;
+        } else {
+            return response;
         }
     }
 }
diff --git a/crates/assistant_tools/src/edit_agent/streaming_fuzzy_matcher.rs b/crates/assistant_tools/src/edit_agent/streaming_fuzzy_matcher.rs
index 092bdce8b3..33b37679f0 100644
--- a/crates/assistant_tools/src/edit_agent/streaming_fuzzy_matcher.rs
+++ b/crates/assistant_tools/src/edit_agent/streaming_fuzzy_matcher.rs
@@ -319,7 +319,7 @@ mod tests {
         );
         let snapshot = buffer.snapshot();
 
-        let mut finder = StreamingFuzzyMatcher::new(snapshot.clone());
+        let mut finder = StreamingFuzzyMatcher::new(snapshot);
         assert_eq!(push(&mut finder, ""), None);
         assert_eq!(finish(finder), None);
     }
@@ -333,7 +333,7 @@ mod tests {
         );
         let snapshot = buffer.snapshot();
 
-        let mut finder = StreamingFuzzyMatcher::new(snapshot.clone());
+        let mut finder = StreamingFuzzyMatcher::new(snapshot);
 
         // Push partial query
         assert_eq!(push(&mut finder, "This"), None);
@@ -365,7 +365,7 @@ mod tests {
         );
         let snapshot = buffer.snapshot();
 
-        let mut finder = StreamingFuzzyMatcher::new(snapshot.clone());
+        let mut finder = StreamingFuzzyMatcher::new(snapshot);
 
         // Push a fuzzy query that should match the first function
         assert_eq!(
@@ -391,7 +391,7 @@ mod tests {
         );
         let snapshot = buffer.snapshot();
 
-        let mut finder = StreamingFuzzyMatcher::new(snapshot.clone());
+        let mut finder = StreamingFuzzyMatcher::new(snapshot);
 
         // No match initially
         assert_eq!(push(&mut finder, "Lin"), None);
@@ -420,7 +420,7 @@ mod tests {
         );
         let snapshot = buffer.snapshot();
 
-        let mut finder = StreamingFuzzyMatcher::new(snapshot.clone());
+        let mut finder = StreamingFuzzyMatcher::new(snapshot);
 
         // Push text in small chunks across line boundaries
         assert_eq!(push(&mut finder, "jumps "), None); // No newline yet
@@ -458,7 +458,7 @@ mod tests {
         );
         let snapshot = buffer.snapshot();
 
-        let mut finder = StreamingFuzzyMatcher::new(snapshot.clone());
+        let mut finder = StreamingFuzzyMatcher::new(snapshot);
 
         assert_eq!(
             push(&mut finder, "impl Debug for User {\n"),
@@ -711,7 +711,7 @@ mod tests {
             "Expected to match `second_function` based on the line hint"
         );
 
-        let mut matcher = StreamingFuzzyMatcher::new(snapshot.clone());
+        let mut matcher = StreamingFuzzyMatcher::new(snapshot);
         matcher.push(query, None);
         matcher.finish();
         let best_match = matcher.select_best_match();
@@ -727,7 +727,7 @@ mod tests {
         let buffer = TextBuffer::new(0, BufferId::new(1).unwrap(), text.clone());
         let snapshot = buffer.snapshot();
 
-        let mut matcher = StreamingFuzzyMatcher::new(snapshot.clone());
+        let mut matcher = StreamingFuzzyMatcher::new(snapshot);
 
         // Split query into random chunks
         let chunks = to_random_chunks(rng, query);
@@ -794,10 +794,8 @@ mod tests {
     fn finish(mut finder: StreamingFuzzyMatcher) -> Option<String> {
         let snapshot = finder.snapshot.clone();
         let matches = finder.finish();
-        if let Some(range) = matches.first() {
-            Some(snapshot.text_for_range(range.clone()).collect::<String>())
-        } else {
-            None
-        }
+        matches
+            .first()
+            .map(|range| snapshot.text_for_range(range.clone()).collect::<String>())
     }
 }
diff --git a/crates/assistant_tools/src/edit_file_tool.rs b/crates/assistant_tools/src/edit_file_tool.rs
index 1c41b26092..95b01c40eb 100644
--- a/crates/assistant_tools/src/edit_file_tool.rs
+++ b/crates/assistant_tools/src/edit_file_tool.rs
@@ -4,11 +4,11 @@ use crate::{
     schema::json_schema_for,
     ui::{COLLAPSED_LINES, ToolOutputPreview},
 };
+use action_log::ActionLog;
 use agent_settings;
 use anyhow::{Context as _, Result, anyhow};
 use assistant_tool::{
-    ActionLog, AnyToolCard, Tool, ToolCard, ToolResult, ToolResultContent, ToolResultOutput,
-    ToolUseStatus,
+    AnyToolCard, Tool, ToolCard, ToolResult, ToolResultContent, ToolResultOutput, ToolUseStatus,
 };
 use buffer_diff::{BufferDiff, BufferDiffSnapshot};
 use editor::{Editor, EditorMode, MinimapVisibility, MultiBuffer, PathKey};
@@ -155,10 +155,10 @@ impl Tool for EditFileTool {
 
         // It's also possible that the global config dir is configured to be inside the project,
         // so check for that edge case too.
-        if let Ok(canonical_path) = std::fs::canonicalize(&input.path) {
-            if canonical_path.starts_with(paths::config_dir()) {
-                return true;
-            }
+        if let Ok(canonical_path) = std::fs::canonicalize(&input.path)
+            && canonical_path.starts_with(paths::config_dir())
+        {
+            return true;
         }
 
         // Check if path is inside the global config directory
@@ -199,10 +199,10 @@ impl Tool for EditFileTool {
                     .any(|c| c.as_os_str() == local_settings_folder.as_os_str())
                 {
                     description.push_str(" (local settings)");
-                } else if let Ok(canonical_path) = std::fs::canonicalize(&input.path) {
-                    if canonical_path.starts_with(paths::config_dir()) {
-                        description.push_str(" (global settings)");
-                    }
+                } else if let Ok(canonical_path) = std::fs::canonicalize(&input.path)
+                    && canonical_path.starts_with(paths::config_dir())
+                {
+                    description.push_str(" (global settings)");
                 }
 
                 description
@@ -307,7 +307,7 @@ impl Tool for EditFileTool {
             let mut ambiguous_ranges = Vec::new();
             while let Some(event) = events.next().await {
                 match event {
-                    EditAgentOutputEvent::Edited => {
+                    EditAgentOutputEvent::Edited { .. } => {
                         if let Some(card) = card_clone.as_ref() {
                             card.update(cx, |card, cx| card.update_diff(cx))?;
                         }
@@ -376,7 +376,7 @@ impl Tool for EditFileTool {
 
             let output = EditFileToolOutput {
                 original_path: project_path.path.to_path_buf(),
-                new_text: new_text.clone(),
+                new_text,
                 old_text,
                 raw_output: Some(agent_output),
             };
@@ -536,7 +536,7 @@ fn resolve_path(
 
             let parent_entry = parent_project_path
                 .as_ref()
-                .and_then(|path| project.entry_for_path(&path, cx))
+                .and_then(|path| project.entry_for_path(path, cx))
                 .context("Can't create file: parent directory doesn't exist")?;
 
             anyhow::ensure!(
@@ -643,7 +643,7 @@ impl EditFileToolCard {
             diff
         });
 
-        self.buffer = Some(buffer.clone());
+        self.buffer = Some(buffer);
         self.base_text = Some(base_text.into());
         self.buffer_diff = Some(buffer_diff.clone());
 
@@ -723,13 +723,13 @@ impl EditFileToolCard {
         let buffer = buffer.read(cx);
         let diff = diff.read(cx);
         let mut ranges = diff
-            .hunks_intersecting_range(Anchor::MIN..Anchor::MAX, &buffer, cx)
-            .map(|diff_hunk| diff_hunk.buffer_range.to_point(&buffer))
+            .hunks_intersecting_range(Anchor::MIN..Anchor::MAX, buffer, cx)
+            .map(|diff_hunk| diff_hunk.buffer_range.to_point(buffer))
             .collect::<Vec<_>>();
         ranges.extend(
             self.revealed_ranges
                 .iter()
-                .map(|range| range.to_point(&buffer)),
+                .map(|range| range.to_point(buffer)),
         );
         ranges.sort_unstable_by_key(|range| (range.start, Reverse(range.end)));
 
@@ -776,7 +776,6 @@ impl EditFileToolCard {
 
         let buffer_diff = cx.spawn({
             let buffer = buffer.clone();
-            let language_registry = language_registry.clone();
             async move |_this, cx| {
                 build_buffer_diff(base_text, &buffer, &language_registry, cx).await
             }
@@ -857,13 +856,12 @@ impl ToolCard for EditFileToolCard {
                     )
                     .child(
                         Icon::new(IconName::ArrowUpRight)
-                            .size(IconSize::XSmall)
+                            .size(IconSize::Small)
                             .color(Color::Ignored),
                     ),
             )
             .on_click({
                 let path = self.path.clone();
-                let workspace = workspace.clone();
                 move |_, window, cx| {
                     workspace
                         .update(cx, {
@@ -1356,8 +1354,7 @@ mod tests {
             mode: mode.clone(),
         };
 
-        let result = cx.update(|cx| resolve_path(&input, project, cx));
-        result
+        cx.update(|cx| resolve_path(&input, project, cx))
     }
 
     fn assert_resolved_path_eq(path: anyhow::Result<ProjectPath>, expected: &str) {
@@ -1577,7 +1574,7 @@ mod tests {
 
             // Stream the unformatted content
             cx.executor().run_until_parked();
-            model.stream_last_completion_response(UNFORMATTED_CONTENT.to_string());
+            model.send_last_completion_stream_text_chunk(UNFORMATTED_CONTENT.to_string());
             model.end_last_completion_stream();
 
             edit_task.await
@@ -1641,7 +1638,7 @@ mod tests {
 
             // Stream the unformatted content
             cx.executor().run_until_parked();
-            model.stream_last_completion_response(UNFORMATTED_CONTENT.to_string());
+            model.send_last_completion_stream_text_chunk(UNFORMATTED_CONTENT.to_string());
             model.end_last_completion_stream();
 
             edit_task.await
@@ -1720,7 +1717,9 @@ mod tests {
 
             // Stream the content with trailing whitespace
             cx.executor().run_until_parked();
-            model.stream_last_completion_response(CONTENT_WITH_TRAILING_WHITESPACE.to_string());
+            model.send_last_completion_stream_text_chunk(
+                CONTENT_WITH_TRAILING_WHITESPACE.to_string(),
+            );
             model.end_last_completion_stream();
 
             edit_task.await
@@ -1777,7 +1776,9 @@ mod tests {
 
             // Stream the content with trailing whitespace
             cx.executor().run_until_parked();
-            model.stream_last_completion_response(CONTENT_WITH_TRAILING_WHITESPACE.to_string());
+            model.send_last_completion_stream_text_chunk(
+                CONTENT_WITH_TRAILING_WHITESPACE.to_string(),
+            );
             model.end_last_completion_stream();
 
             edit_task.await
diff --git a/crates/assistant_tools/src/fetch_tool.rs b/crates/assistant_tools/src/fetch_tool.rs
index a31ec39268..cc22c9fc09 100644
--- a/crates/assistant_tools/src/fetch_tool.rs
+++ b/crates/assistant_tools/src/fetch_tool.rs
@@ -3,8 +3,9 @@ use std::sync::Arc;
 use std::{borrow::Cow, cell::RefCell};
 
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Context as _, Result, anyhow, bail};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use futures::AsyncReadExt as _;
 use gpui::{AnyWindowHandle, App, AppContext as _, Entity, Task};
 use html_to_markdown::{TagHandler, convert_html_to_markdown, markdown};
@@ -117,7 +118,7 @@ impl Tool for FetchTool {
     }
 
     fn needs_confirmation(&self, _: &serde_json::Value, _: &Entity<Project>, _: &App) -> bool {
-        false
+        true
     }
 
     fn may_perform_edits(&self) -> bool {
diff --git a/crates/assistant_tools/src/find_path_tool.rs b/crates/assistant_tools/src/find_path_tool.rs
index affc019417..d1451132ae 100644
--- a/crates/assistant_tools/src/find_path_tool.rs
+++ b/crates/assistant_tools/src/find_path_tool.rs
@@ -1,7 +1,8 @@
 use crate::{schema::json_schema_for, ui::ToolCallCardHeader};
+use action_log::ActionLog;
 use anyhow::{Result, anyhow};
 use assistant_tool::{
-    ActionLog, Tool, ToolCard, ToolResult, ToolResultContent, ToolResultOutput, ToolUseStatus,
+    Tool, ToolCard, ToolResult, ToolResultContent, ToolResultOutput, ToolUseStatus,
 };
 use editor::Editor;
 use futures::channel::oneshot::{self, Receiver};
@@ -233,7 +234,7 @@ impl ToolCard for FindPathToolCard {
         workspace: WeakEntity<Workspace>,
         cx: &mut Context<Self>,
     ) -> impl IntoElement {
-        let matches_label: SharedString = if self.paths.len() == 0 {
+        let matches_label: SharedString = if self.paths.is_empty() {
             "No matches".into()
         } else if self.paths.len() == 1 {
             "1 match".into()
@@ -257,7 +258,7 @@ impl ToolCard for FindPathToolCard {
 
                         Button::new(("path", index), button_label)
                             .icon(IconName::ArrowUpRight)
-                            .icon_size(IconSize::XSmall)
+                            .icon_size(IconSize::Small)
                             .icon_position(IconPosition::End)
                             .label_size(LabelSize::Small)
                             .color(Color::Muted)
@@ -434,8 +435,8 @@ mod test {
         assert_eq!(
             matches,
             &[
-                PathBuf::from("root/apple/banana/carrot"),
-                PathBuf::from("root/apple/bandana/carbonara")
+                PathBuf::from(path!("root/apple/banana/carrot")),
+                PathBuf::from(path!("root/apple/bandana/carbonara"))
             ]
         );
 
@@ -446,8 +447,8 @@ mod test {
         assert_eq!(
             matches,
             &[
-                PathBuf::from("root/apple/banana/carrot"),
-                PathBuf::from("root/apple/bandana/carbonara")
+                PathBuf::from(path!("root/apple/banana/carrot")),
+                PathBuf::from(path!("root/apple/bandana/carbonara"))
             ]
         );
     }
diff --git a/crates/assistant_tools/src/grep_tool.rs b/crates/assistant_tools/src/grep_tool.rs
index 43c3d1d990..41dde5bbfe 100644
--- a/crates/assistant_tools/src/grep_tool.rs
+++ b/crates/assistant_tools/src/grep_tool.rs
@@ -1,6 +1,7 @@
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use futures::StreamExt;
 use gpui::{AnyWindowHandle, App, Entity, Task};
 use language::{OffsetRangeExt, ParseStatus, Point};
@@ -187,15 +188,14 @@ impl Tool for GrepTool {
                 // Check if this file should be excluded based on its worktree settings
                 if let Ok(Some(project_path)) = project.read_with(cx, |project, cx| {
                     project.find_project_path(&path, cx)
-                }) {
-                    if cx.update(|cx| {
+                })
+                    && cx.update(|cx| {
                         let worktree_settings = WorktreeSettings::get(Some((&project_path).into()), cx);
                         worktree_settings.is_path_excluded(&project_path.path)
                             || worktree_settings.is_path_private(&project_path.path)
                     }).unwrap_or(false) {
                         continue;
                     }
-                }
 
                 while *parse_status.borrow() != ParseStatus::Idle {
                     parse_status.changed().await?;
@@ -283,12 +283,11 @@ impl Tool for GrepTool {
                     output.extend(snapshot.text_for_range(range));
                     output.push_str("\n```\n");
 
-                    if let Some(ancestor_range) = ancestor_range {
-                        if end_row < ancestor_range.end.row {
+                    if let Some(ancestor_range) = ancestor_range
+                        && end_row < ancestor_range.end.row {
                             let remaining_lines = ancestor_range.end.row - end_row;
                             writeln!(output, "\n{} lines remaining in ancestor node. Read the file to see all.", remaining_lines)?;
                         }
-                    }
 
                     matches_found += 1;
                 }
@@ -328,7 +327,7 @@ mod tests {
         init_test(cx);
         cx.executor().allow_parking();
 
-        let fs = FakeFs::new(cx.executor().clone());
+        let fs = FakeFs::new(cx.executor());
         fs.insert_tree(
             path!("/root"),
             serde_json::json!({
@@ -416,7 +415,7 @@ mod tests {
         init_test(cx);
         cx.executor().allow_parking();
 
-        let fs = FakeFs::new(cx.executor().clone());
+        let fs = FakeFs::new(cx.executor());
         fs.insert_tree(
             path!("/root"),
             serde_json::json!({
@@ -495,7 +494,7 @@ mod tests {
         init_test(cx);
         cx.executor().allow_parking();
 
-        let fs = FakeFs::new(cx.executor().clone());
+        let fs = FakeFs::new(cx.executor());
 
         // Create test file with syntax structures
         fs.insert_tree(
@@ -893,7 +892,7 @@ mod tests {
             })
             .await;
         let results = result.unwrap();
-        let paths = extract_paths_from_results(&results.content.as_str().unwrap());
+        let paths = extract_paths_from_results(results.content.as_str().unwrap());
         assert!(
             paths.is_empty(),
             "grep_tool should not find files outside the project worktree"
@@ -919,7 +918,7 @@ mod tests {
             })
             .await;
         let results = result.unwrap();
-        let paths = extract_paths_from_results(&results.content.as_str().unwrap());
+        let paths = extract_paths_from_results(results.content.as_str().unwrap());
         assert!(
             paths.iter().any(|p| p.contains("allowed_file.rs")),
             "grep_tool should be able to search files inside worktrees"
@@ -945,7 +944,7 @@ mod tests {
             })
             .await;
         let results = result.unwrap();
-        let paths = extract_paths_from_results(&results.content.as_str().unwrap());
+        let paths = extract_paths_from_results(results.content.as_str().unwrap());
         assert!(
             paths.is_empty(),
             "grep_tool should not search files in .secretdir (file_scan_exclusions)"
@@ -970,7 +969,7 @@ mod tests {
             })
             .await;
         let results = result.unwrap();
-        let paths = extract_paths_from_results(&results.content.as_str().unwrap());
+        let paths = extract_paths_from_results(results.content.as_str().unwrap());
         assert!(
             paths.is_empty(),
             "grep_tool should not search .mymetadata files (file_scan_exclusions)"
@@ -996,7 +995,7 @@ mod tests {
             })
             .await;
         let results = result.unwrap();
-        let paths = extract_paths_from_results(&results.content.as_str().unwrap());
+        let paths = extract_paths_from_results(results.content.as_str().unwrap());
         assert!(
             paths.is_empty(),
             "grep_tool should not search .mysecrets (private_files)"
@@ -1021,7 +1020,7 @@ mod tests {
             })
             .await;
         let results = result.unwrap();
-        let paths = extract_paths_from_results(&results.content.as_str().unwrap());
+        let paths = extract_paths_from_results(results.content.as_str().unwrap());
         assert!(
             paths.is_empty(),
             "grep_tool should not search .privatekey files (private_files)"
@@ -1046,7 +1045,7 @@ mod tests {
             })
             .await;
         let results = result.unwrap();
-        let paths = extract_paths_from_results(&results.content.as_str().unwrap());
+        let paths = extract_paths_from_results(results.content.as_str().unwrap());
         assert!(
             paths.is_empty(),
             "grep_tool should not search .mysensitive files (private_files)"
@@ -1072,7 +1071,7 @@ mod tests {
             })
             .await;
         let results = result.unwrap();
-        let paths = extract_paths_from_results(&results.content.as_str().unwrap());
+        let paths = extract_paths_from_results(results.content.as_str().unwrap());
         assert!(
             paths.iter().any(|p| p.contains("normal_file.rs")),
             "Should be able to search normal files"
@@ -1099,7 +1098,7 @@ mod tests {
             })
             .await;
         let results = result.unwrap();
-        let paths = extract_paths_from_results(&results.content.as_str().unwrap());
+        let paths = extract_paths_from_results(results.content.as_str().unwrap());
         assert!(
             paths.is_empty(),
             "grep_tool should not allow escaping project boundaries with relative paths"
@@ -1205,7 +1204,7 @@ mod tests {
             .unwrap();
 
         let content = result.content.as_str().unwrap();
-        let paths = extract_paths_from_results(&content);
+        let paths = extract_paths_from_results(content);
 
         // Should find matches in non-private files
         assert!(
@@ -1270,7 +1269,7 @@ mod tests {
             .unwrap();
 
         let content = result.content.as_str().unwrap();
-        let paths = extract_paths_from_results(&content);
+        let paths = extract_paths_from_results(content);
 
         // Should only find matches in worktree1 *.rs files (excluding private ones)
         assert!(
diff --git a/crates/assistant_tools/src/list_directory_tool.rs b/crates/assistant_tools/src/list_directory_tool.rs
index b1980615d6..5471d8923b 100644
--- a/crates/assistant_tools/src/list_directory_tool.rs
+++ b/crates/assistant_tools/src/list_directory_tool.rs
@@ -1,6 +1,7 @@
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use gpui::{AnyWindowHandle, App, Entity, Task};
 use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchemaFormat};
 use project::{Project, WorktreeSettings};
diff --git a/crates/assistant_tools/src/move_path_tool.rs b/crates/assistant_tools/src/move_path_tool.rs
index c1cbbf848d..2c065488ce 100644
--- a/crates/assistant_tools/src/move_path_tool.rs
+++ b/crates/assistant_tools/src/move_path_tool.rs
@@ -1,6 +1,7 @@
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Context as _, Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use gpui::{AnyWindowHandle, App, AppContext, Entity, Task};
 use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchemaFormat};
 use project::Project;
diff --git a/crates/assistant_tools/src/now_tool.rs b/crates/assistant_tools/src/now_tool.rs
index b51b91d3d5..f50ad065d1 100644
--- a/crates/assistant_tools/src/now_tool.rs
+++ b/crates/assistant_tools/src/now_tool.rs
@@ -1,8 +1,9 @@
 use std::sync::Arc;
 
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use chrono::{Local, Utc};
 use gpui::{AnyWindowHandle, App, Entity, Task};
 use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchemaFormat};
diff --git a/crates/assistant_tools/src/open_tool.rs b/crates/assistant_tools/src/open_tool.rs
index 8fddbb0431..6dbf66749b 100644
--- a/crates/assistant_tools/src/open_tool.rs
+++ b/crates/assistant_tools/src/open_tool.rs
@@ -1,6 +1,7 @@
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Context as _, Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use gpui::{AnyWindowHandle, App, AppContext, Entity, Task};
 use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchemaFormat};
 use project::Project;
diff --git a/crates/assistant_tools/src/project_notifications_tool.rs b/crates/assistant_tools/src/project_notifications_tool.rs
index 03487e5419..e30d80207d 100644
--- a/crates/assistant_tools/src/project_notifications_tool.rs
+++ b/crates/assistant_tools/src/project_notifications_tool.rs
@@ -1,6 +1,7 @@
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::Result;
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use gpui::{AnyWindowHandle, App, Entity, Task};
 use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchemaFormat};
 use project::Project;
@@ -80,7 +81,7 @@ fn fit_patch_to_size(patch: &str, max_size: usize) -> String {
     // Compression level 1: remove context lines in diff bodies, but
     // leave the counts and positions of inserted/deleted lines
     let mut current_size = patch.len();
-    let mut file_patches = split_patch(&patch);
+    let mut file_patches = split_patch(patch);
     file_patches.sort_by_key(|patch| patch.len());
     let compressed_patches = file_patches
         .iter()
diff --git a/crates/assistant_tools/src/read_file_tool.rs b/crates/assistant_tools/src/read_file_tool.rs
index ee38273cc0..a6e984fca6 100644
--- a/crates/assistant_tools/src/read_file_tool.rs
+++ b/crates/assistant_tools/src/read_file_tool.rs
@@ -1,6 +1,7 @@
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Context as _, Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use assistant_tool::{ToolResultContent, outline};
 use gpui::{AnyWindowHandle, App, Entity, Task};
 use project::{ImageItem, image_store};
@@ -67,7 +68,7 @@ impl Tool for ReadFileTool {
     }
 
     fn icon(&self) -> IconName {
-        IconName::ToolRead
+        IconName::ToolSearch
     }
 
     fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
@@ -200,7 +201,7 @@ impl Tool for ReadFileTool {
                 buffer
                     .file()
                     .as_ref()
-                    .map_or(true, |file| !file.disk_state().exists())
+                    .is_none_or(|file| !file.disk_state().exists())
             })? {
                 anyhow::bail!("{file_path} not found");
             }
@@ -286,7 +287,7 @@ impl Tool for ReadFileTool {
                         Using the line numbers in this outline, you can call this tool again
                         while specifying the start_line and end_line fields to see the
                         implementations of symbols in the outline.
-                        
+
                         Alternatively, you can fall back to the `grep` tool (if available)
                         to search the file for specific content."
                     }
diff --git a/crates/assistant_tools/src/schema.rs b/crates/assistant_tools/src/schema.rs
index 10a8bf0acd..dab7384efd 100644
--- a/crates/assistant_tools/src/schema.rs
+++ b/crates/assistant_tools/src/schema.rs
@@ -43,12 +43,11 @@ impl Transform for ToJsonSchemaSubsetTransform {
     fn transform(&mut self, schema: &mut Schema) {
         // Ensure that the type field is not an array, this happens when we use
         // Option<T>, the type will be [T, "null"].
-        if let Some(type_field) = schema.get_mut("type") {
-            if let Some(types) = type_field.as_array() {
-                if let Some(first_type) = types.first() {
-                    *type_field = first_type.clone();
-                }
-            }
+        if let Some(type_field) = schema.get_mut("type")
+            && let Some(types) = type_field.as_array()
+            && let Some(first_type) = types.first()
+        {
+            *type_field = first_type.clone();
         }
 
         // oneOf is not supported, use anyOf instead
diff --git a/crates/assistant_tools/src/terminal_tool.rs b/crates/assistant_tools/src/terminal_tool.rs
index 58833c5208..b28e55e78a 100644
--- a/crates/assistant_tools/src/terminal_tool.rs
+++ b/crates/assistant_tools/src/terminal_tool.rs
@@ -2,9 +2,10 @@ use crate::{
     schema::json_schema_for,
     ui::{COLLAPSED_LINES, ToolOutputPreview},
 };
+use action_log::ActionLog;
 use agent_settings;
 use anyhow::{Context as _, Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolCard, ToolResult, ToolUseStatus};
+use assistant_tool::{Tool, ToolCard, ToolResult, ToolUseStatus};
 use futures::{FutureExt as _, future::Shared};
 use gpui::{
     Animation, AnimationExt, AnyWindowHandle, App, AppContext, Empty, Entity, EntityId, Task,
@@ -58,12 +59,9 @@ impl TerminalTool {
             }
 
             if which::which("bash").is_ok() {
-                log::info!("agent selected bash for terminal tool");
                 "bash".into()
             } else {
-                let shell = get_system_shell();
-                log::info!("agent selected {shell} for terminal tool");
-                shell
+                get_system_shell()
             }
         });
         Self {
@@ -104,7 +102,7 @@ impl Tool for TerminalTool {
                 let first_line = lines.next().unwrap_or_default();
                 let remaining_line_count = lines.count();
                 match remaining_line_count {
-                    0 => MarkdownInlineCode(&first_line).to_string(),
+                    0 => MarkdownInlineCode(first_line).to_string(),
                     1 => MarkdownInlineCode(&format!(
                         "{} - {} more line",
                         first_line, remaining_line_count
@@ -215,7 +213,8 @@ impl Tool for TerminalTool {
             async move |cx| {
                 let program = program.await;
                 let env = env.await;
-                let terminal = project
+
+                project
                     .update(cx, |project, cx| {
                         project.create_terminal(
                             TerminalKind::Task(task::SpawnInTerminal {
@@ -225,12 +224,10 @@ impl Tool for TerminalTool {
                                 env,
                                 ..Default::default()
                             }),
-                            window,
                             cx,
                         )
                     })?
-                    .await;
-                terminal
+                    .await
             }
         });
 
@@ -353,7 +350,7 @@ fn process_content(
             if is_empty {
                 "Command executed successfully.".to_string()
             } else {
-                content.to_string()
+                content
             }
         }
         Some(exit_status) => {
@@ -387,7 +384,7 @@ fn working_dir(
     let project = project.read(cx);
     let cd = &input.cd;
 
-    if cd == "." || cd == "" {
+    if cd == "." || cd.is_empty() {
         // Accept "." or "" as meaning "the one worktree" if we only have one worktree.
         let mut worktrees = project.worktrees(cx);
 
@@ -412,10 +409,8 @@ fn working_dir(
             {
                 return Ok(Some(input_path.into()));
             }
-        } else {
-            if let Some(worktree) = project.worktree_for_root_name(cd, cx) {
-                return Ok(Some(worktree.read(cx).abs_path().to_path_buf()));
-            }
+        } else if let Some(worktree) = project.worktree_for_root_name(cd, cx) {
+            return Ok(Some(worktree.read(cx).abs_path().to_path_buf()));
         }
 
         anyhow::bail!("`cd` directory {cd:?} was not in any of the project's worktrees.");
diff --git a/crates/assistant_tools/src/thinking_tool.rs b/crates/assistant_tools/src/thinking_tool.rs
index 443c2930be..17ce4afc2e 100644
--- a/crates/assistant_tools/src/thinking_tool.rs
+++ b/crates/assistant_tools/src/thinking_tool.rs
@@ -1,8 +1,9 @@
 use std::sync::Arc;
 
 use crate::schema::json_schema_for;
+use action_log::ActionLog;
 use anyhow::{Result, anyhow};
-use assistant_tool::{ActionLog, Tool, ToolResult};
+use assistant_tool::{Tool, ToolResult};
 use gpui::{AnyWindowHandle, App, Entity, Task};
 use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchemaFormat};
 use project::Project;
@@ -37,7 +38,7 @@ impl Tool for ThinkingTool {
     }
 
     fn icon(&self) -> IconName {
-        IconName::ToolBulb
+        IconName::ToolThink
     }
 
     fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
diff --git a/crates/assistant_tools/src/ui/tool_call_card_header.rs b/crates/assistant_tools/src/ui/tool_call_card_header.rs
index b71453373f..b41f19432f 100644
--- a/crates/assistant_tools/src/ui/tool_call_card_header.rs
+++ b/crates/assistant_tools/src/ui/tool_call_card_header.rs
@@ -101,14 +101,11 @@ impl RenderOnce for ToolCallCardHeader {
                     })
                     .when_some(secondary_text, |this, secondary_text| {
                         this.child(bullet_divider())
-                            .child(div().text_size(font_size).child(secondary_text.clone()))
+                            .child(div().text_size(font_size).child(secondary_text))
                     })
                     .when_some(code_path, |this, code_path| {
-                        this.child(bullet_divider()).child(
-                            Label::new(code_path.clone())
-                                .size(LabelSize::Small)
-                                .inline_code(cx),
-                        )
+                        this.child(bullet_divider())
+                            .child(Label::new(code_path).size(LabelSize::Small).inline_code(cx))
                     })
                     .with_animation(
                         "loading-label",
diff --git a/crates/assistant_tools/src/web_search_tool.rs b/crates/assistant_tools/src/web_search_tool.rs
index d4a12f22c5..dbcca0a1f6 100644
--- a/crates/assistant_tools/src/web_search_tool.rs
+++ b/crates/assistant_tools/src/web_search_tool.rs
@@ -2,9 +2,10 @@ use std::{sync::Arc, time::Duration};
 
 use crate::schema::json_schema_for;
 use crate::ui::ToolCallCardHeader;
+use action_log::ActionLog;
 use anyhow::{Context as _, Result, anyhow};
 use assistant_tool::{
-    ActionLog, Tool, ToolCard, ToolResult, ToolResultContent, ToolResultOutput, ToolUseStatus,
+    Tool, ToolCard, ToolResult, ToolResultContent, ToolResultOutput, ToolUseStatus,
 };
 use cloud_llm_client::{WebSearchResponse, WebSearchResult};
 use futures::{Future, FutureExt, TryFutureExt};
@@ -45,7 +46,7 @@ impl Tool for WebSearchTool {
     }
 
     fn icon(&self) -> IconName {
-        IconName::Globe
+        IconName::ToolWeb
     }
 
     fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
@@ -177,7 +178,7 @@ impl ToolCard for WebSearchToolCard {
                             .label_size(LabelSize::Small)
                             .color(Color::Muted)
                             .icon(IconName::ArrowUpRight)
-                            .icon_size(IconSize::XSmall)
+                            .icon_size(IconSize::Small)
                             .icon_position(IconPosition::End)
                             .truncate(true)
                             .tooltip({
@@ -192,10 +193,7 @@ impl ToolCard for WebSearchToolCard {
                                     )
                                 }
                             })
-                            .on_click({
-                                let url = url.clone();
-                                move |_, _, cx| cx.open_url(&url)
-                            })
+                            .on_click(move |_, _, cx| cx.open_url(&url))
                     }))
                     .into_any(),
             ),
diff --git a/crates/audio/Cargo.toml b/crates/audio/Cargo.toml
index d857a3eb2f..ae7eb52fd3 100644
--- a/crates/audio/Cargo.toml
+++ b/crates/audio/Cargo.toml
@@ -15,9 +15,10 @@ doctest = false
 [dependencies]
 anyhow.workspace = true
 collections.workspace = true
-derive_more.workspace = true
 gpui.workspace = true
-parking_lot.workspace = true
-rodio = { version = "0.21.1", default-features = false, features = ["wav", "playback", "tracing"] }
+settings.workspace = true
+schemars.workspace = true
+serde.workspace = true
+rodio = { workspace = true, features = [ "wav", "playback", "tracing" ] }
 util.workspace = true
 workspace-hack.workspace = true
diff --git a/crates/audio/src/assets.rs b/crates/audio/src/assets.rs
deleted file mode 100644
index fd5c935d87..0000000000
--- a/crates/audio/src/assets.rs
+++ /dev/null
@@ -1,54 +0,0 @@
-use std::{io::Cursor, sync::Arc};
-
-use anyhow::{Context as _, Result};
-use collections::HashMap;
-use gpui::{App, AssetSource, Global};
-use rodio::{Decoder, Source, source::Buffered};
-
-type Sound = Buffered<Decoder<Cursor<Vec<u8>>>>;
-
-pub struct SoundRegistry {
-    cache: Arc<parking_lot::Mutex<HashMap<String, Sound>>>,
-    assets: Box<dyn AssetSource>,
-}
-
-struct GlobalSoundRegistry(Arc<SoundRegistry>);
-
-impl Global for GlobalSoundRegistry {}
-
-impl SoundRegistry {
-    pub fn new(source: impl AssetSource) -> Arc<Self> {
-        Arc::new(Self {
-            cache: Default::default(),
-            assets: Box::new(source),
-        })
-    }
-
-    pub fn global(cx: &App) -> Arc<Self> {
-        cx.global::<GlobalSoundRegistry>().0.clone()
-    }
-
-    pub(crate) fn set_global(source: impl AssetSource, cx: &mut App) {
-        cx.set_global(GlobalSoundRegistry(SoundRegistry::new(source)));
-    }
-
-    pub fn get(&self, name: &str) -> Result<impl Source<Item = f32> + use<>> {
-        if let Some(wav) = self.cache.lock().get(name) {
-            return Ok(wav.clone());
-        }
-
-        let path = format!("sounds/{}.wav", name);
-        let bytes = self
-            .assets
-            .load(&path)?
-            .map(anyhow::Ok)
-            .with_context(|| format!("No asset available for path {path}"))??
-            .into_owned();
-        let cursor = Cursor::new(bytes);
-        let source = Decoder::new(cursor)?.buffered();
-
-        self.cache.lock().insert(name.to_string(), source.clone());
-
-        Ok(source)
-    }
-}
diff --git a/crates/audio/src/audio.rs b/crates/audio/src/audio.rs
index 44baa16aa2..b4f2c24fef 100644
--- a/crates/audio/src/audio.rs
+++ b/crates/audio/src/audio.rs
@@ -1,16 +1,19 @@
-use assets::SoundRegistry;
-use derive_more::{Deref, DerefMut};
-use gpui::{App, AssetSource, BorrowAppContext, Global};
-use rodio::{OutputStream, OutputStreamBuilder};
+use anyhow::{Context as _, Result, anyhow};
+use collections::HashMap;
+use gpui::{App, BorrowAppContext, Global};
+use rodio::{Decoder, OutputStream, OutputStreamBuilder, Source, source::Buffered};
+use settings::Settings;
+use std::io::Cursor;
 use util::ResultExt;
 
-mod assets;
+mod audio_settings;
+pub use audio_settings::AudioSettings;
 
-pub fn init(source: impl AssetSource, cx: &mut App) {
-    SoundRegistry::set_global(source, cx);
-    cx.set_global(GlobalAudio(Audio::new()));
+pub fn init(cx: &mut App) {
+    AudioSettings::register(cx);
 }
 
+#[derive(Copy, Clone, Eq, Hash, PartialEq)]
 pub enum Sound {
     Joined,
     Leave,
@@ -38,18 +41,12 @@ impl Sound {
 #[derive(Default)]
 pub struct Audio {
     output_handle: Option<OutputStream>,
+    source_cache: HashMap<Sound, Buffered<Decoder<Cursor<Vec<u8>>>>>,
 }
 
-#[derive(Deref, DerefMut)]
-struct GlobalAudio(Audio);
-
-impl Global for GlobalAudio {}
+impl Global for Audio {}
 
 impl Audio {
-    pub fn new() -> Self {
-        Self::default()
-    }
-
     fn ensure_output_exists(&mut self) -> Option<&OutputStream> {
         if self.output_handle.is_none() {
             self.output_handle = OutputStreamBuilder::open_default_stream().log_err();
@@ -58,26 +55,51 @@ impl Audio {
         self.output_handle.as_ref()
     }
 
-    pub fn play_sound(sound: Sound, cx: &mut App) {
-        if !cx.has_global::<GlobalAudio>() {
-            return;
-        }
+    pub fn play_source(
+        source: impl rodio::Source + Send + 'static,
+        cx: &mut App,
+    ) -> anyhow::Result<()> {
+        cx.update_default_global(|this: &mut Self, _cx| {
+            let output_handle = this
+                .ensure_output_exists()
+                .ok_or_else(|| anyhow!("Could not open audio output"))?;
+            output_handle.mixer().add(source);
+            Ok(())
+        })
+    }
 
-        cx.update_global::<GlobalAudio, _>(|this, cx| {
+    pub fn play_sound(sound: Sound, cx: &mut App) {
+        cx.update_default_global(|this: &mut Self, cx| {
+            let source = this.sound_source(sound, cx).log_err()?;
             let output_handle = this.ensure_output_exists()?;
-            let source = SoundRegistry::global(cx).get(sound.file()).log_err()?;
             output_handle.mixer().add(source);
             Some(())
         });
     }
 
     pub fn end_call(cx: &mut App) {
-        if !cx.has_global::<GlobalAudio>() {
-            return;
-        }
-
-        cx.update_global::<GlobalAudio, _>(|this, _| {
+        cx.update_default_global(|this: &mut Self, _cx| {
             this.output_handle.take();
         });
     }
+
+    fn sound_source(&mut self, sound: Sound, cx: &App) -> Result<impl Source + use<>> {
+        if let Some(wav) = self.source_cache.get(&sound) {
+            return Ok(wav.clone());
+        }
+
+        let path = format!("sounds/{}.wav", sound.file());
+        let bytes = cx
+            .asset_source()
+            .load(&path)?
+            .map(anyhow::Ok)
+            .with_context(|| format!("No asset available for path {path}"))??
+            .into_owned();
+        let cursor = Cursor::new(bytes);
+        let source = Decoder::new(cursor)?.buffered();
+
+        self.source_cache.insert(sound, source.clone());
+
+        Ok(source)
+    }
 }
diff --git a/crates/audio/src/audio_settings.rs b/crates/audio/src/audio_settings.rs
new file mode 100644
index 0000000000..807179881c
--- /dev/null
+++ b/crates/audio/src/audio_settings.rs
@@ -0,0 +1,33 @@
+use anyhow::Result;
+use gpui::App;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use settings::{Settings, SettingsSources};
+
+#[derive(Deserialize, Debug)]
+pub struct AudioSettings {
+    /// Opt into the new audio system.
+    #[serde(rename = "experimental.rodio_audio", default)]
+    pub rodio_audio: bool, // default is false
+}
+
+/// Configuration of audio in Zed.
+#[derive(Clone, Default, Serialize, Deserialize, JsonSchema, Debug)]
+#[serde(default)]
+pub struct AudioSettingsContent {
+    /// Whether to use the experimental audio system
+    #[serde(rename = "experimental.rodio_audio", default)]
+    pub rodio_audio: bool,
+}
+
+impl Settings for AudioSettings {
+    const KEY: Option<&'static str> = Some("audio");
+
+    type FileContent = AudioSettingsContent;
+
+    fn load(sources: SettingsSources<Self::FileContent>, _cx: &mut App) -> Result<Self> {
+        sources.json_merge()
+    }
+
+    fn import_from_vscode(_vscode: &settings::VsCodeSettings, _current: &mut Self::FileContent) {}
+}
diff --git a/crates/auto_update/src/auto_update.rs b/crates/auto_update/src/auto_update.rs
index d62a9cdbe3..2150873cad 100644
--- a/crates/auto_update/src/auto_update.rs
+++ b/crates/auto_update/src/auto_update.rs
@@ -59,16 +59,9 @@ pub enum VersionCheckType {
 pub enum AutoUpdateStatus {
     Idle,
     Checking,
-    Downloading {
-        version: VersionCheckType,
-    },
-    Installing {
-        version: VersionCheckType,
-    },
-    Updated {
-        binary_path: PathBuf,
-        version: VersionCheckType,
-    },
+    Downloading { version: VersionCheckType },
+    Installing { version: VersionCheckType },
+    Updated { version: VersionCheckType },
     Errored,
 }
 
@@ -83,6 +76,7 @@ pub struct AutoUpdater {
     current_version: SemanticVersion,
     http_client: Arc<HttpClientWithUrl>,
     pending_poll: Option<Task<Option<()>>>,
+    quit_subscription: Option<gpui::Subscription>,
 }
 
 #[derive(Deserialize, Clone, Debug)]
@@ -134,10 +128,15 @@ impl Settings for AutoUpdateSetting {
     type FileContent = Option<AutoUpdateSettingContent>;
 
     fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
-        let auto_update = [sources.server, sources.release_channel, sources.user]
-            .into_iter()
-            .find_map(|value| value.copied().flatten())
-            .unwrap_or(sources.default.ok_or_else(Self::missing_default)?);
+        let auto_update = [
+            sources.server,
+            sources.release_channel,
+            sources.operating_system,
+            sources.user,
+        ]
+        .into_iter()
+        .find_map(|value| value.copied().flatten())
+        .unwrap_or(sources.default.ok_or_else(Self::missing_default)?);
 
         Ok(Self(auto_update.0))
     }
@@ -159,7 +158,7 @@ pub fn init(http_client: Arc<HttpClientWithUrl>, cx: &mut App) {
     AutoUpdateSetting::register(cx);
 
     cx.observe_new(|workspace: &mut Workspace, _window, _cx| {
-        workspace.register_action(|_, action: &Check, window, cx| check(action, window, cx));
+        workspace.register_action(|_, action, window, cx| check(action, window, cx));
 
         workspace.register_action(|_, action, _, cx| {
             view_release_notes(action, cx);
@@ -169,7 +168,7 @@ pub fn init(http_client: Arc<HttpClientWithUrl>, cx: &mut App) {
 
     let version = release_channel::AppVersion::global(cx);
     let auto_updater = cx.new(|cx| {
-        let updater = AutoUpdater::new(version, http_client);
+        let updater = AutoUpdater::new(version, http_client, cx);
 
         let poll_for_updates = ReleaseChannel::try_global(cx)
             .map(|channel| channel.poll_for_updates())
@@ -316,12 +315,34 @@ impl AutoUpdater {
         cx.default_global::<GlobalAutoUpdate>().0.clone()
     }
 
-    fn new(current_version: SemanticVersion, http_client: Arc<HttpClientWithUrl>) -> Self {
+    fn new(
+        current_version: SemanticVersion,
+        http_client: Arc<HttpClientWithUrl>,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        // On windows, executable files cannot be overwritten while they are
+        // running, so we must wait to overwrite the application until quitting
+        // or restarting. When quitting the app, we spawn the auto update helper
+        // to finish the auto update process after Zed exits. When restarting
+        // the app after an update, we use `set_restart_path` to run the auto
+        // update helper instead of the app, so that it can overwrite the app
+        // and then spawn the new binary.
+        let quit_subscription = Some(cx.on_app_quit(|_, _| async move {
+            #[cfg(target_os = "windows")]
+            finalize_auto_update_on_quit();
+        }));
+
+        cx.on_app_restart(|this, _| {
+            this.quit_subscription.take();
+        })
+        .detach();
+
         Self {
             status: AutoUpdateStatus::Idle,
             current_version,
             http_client,
             pending_poll: None,
+            quit_subscription,
         }
     }
 
@@ -522,7 +543,7 @@ impl AutoUpdater {
 
     async fn update(this: Entity<Self>, mut cx: AsyncApp) -> Result<()> {
         let (client, installed_version, previous_status, release_channel) =
-            this.read_with(&mut cx, |this, cx| {
+            this.read_with(&cx, |this, cx| {
                 (
                     this.http_client.clone(),
                     this.current_version,
@@ -531,6 +552,8 @@ impl AutoUpdater {
                 )
             })?;
 
+        Self::check_dependencies()?;
+
         this.update(&mut cx, |this, cx| {
             this.status = AutoUpdateStatus::Checking;
             cx.notify();
@@ -577,13 +600,15 @@ impl AutoUpdater {
             cx.notify();
         })?;
 
-        let binary_path = Self::binary_path(installer_dir, target_path, &cx).await?;
+        let new_binary_path = Self::install_release(installer_dir, target_path, &cx).await?;
+        if let Some(new_binary_path) = new_binary_path {
+            cx.update(|cx| cx.set_restart_path(new_binary_path))?;
+        }
 
         this.update(&mut cx, |this, cx| {
             this.set_should_show_update_notification(true, cx)
                 .detach_and_log_err(cx);
             this.status = AutoUpdateStatus::Updated {
-                binary_path,
                 version: newer_version,
             };
             cx.notify();
@@ -634,6 +659,15 @@ impl AutoUpdater {
         }
     }
 
+    fn check_dependencies() -> Result<()> {
+        #[cfg(not(target_os = "windows"))]
+        anyhow::ensure!(
+            which::which("rsync").is_ok(),
+            "Aborting. Could not find rsync which is required for auto-updates."
+        );
+        Ok(())
+    }
+
     async fn target_path(installer_dir: &InstallerDir) -> Result<PathBuf> {
         let filename = match OS {
             "macos" => anyhow::Ok("Zed.dmg"),
@@ -642,20 +676,14 @@ impl AutoUpdater {
             unsupported_os => anyhow::bail!("not supported: {unsupported_os}"),
         }?;
 
-        #[cfg(not(target_os = "windows"))]
-        anyhow::ensure!(
-            which::which("rsync").is_ok(),
-            "Aborting. Could not find rsync which is required for auto-updates."
-        );
-
         Ok(installer_dir.path().join(filename))
     }
 
-    async fn binary_path(
+    async fn install_release(
         installer_dir: InstallerDir,
         target_path: PathBuf,
         cx: &AsyncApp,
-    ) -> Result<PathBuf> {
+    ) -> Result<Option<PathBuf>> {
         match OS {
             "macos" => install_release_macos(&installer_dir, target_path, cx).await,
             "linux" => install_release_linux(&installer_dir, target_path, cx).await,
@@ -796,7 +824,7 @@ async fn install_release_linux(
     temp_dir: &InstallerDir,
     downloaded_tar_gz: PathBuf,
     cx: &AsyncApp,
-) -> Result<PathBuf> {
+) -> Result<Option<PathBuf>> {
     let channel = cx.update(|cx| ReleaseChannel::global(cx).dev_name())?;
     let home_dir = PathBuf::from(env::var("HOME").context("no HOME env var set")?);
     let running_app_path = cx.update(|cx| cx.app_path())??;
@@ -856,14 +884,14 @@ async fn install_release_linux(
         String::from_utf8_lossy(&output.stderr)
     );
 
-    Ok(to.join(expected_suffix))
+    Ok(Some(to.join(expected_suffix)))
 }
 
 async fn install_release_macos(
     temp_dir: &InstallerDir,
     downloaded_dmg: PathBuf,
     cx: &AsyncApp,
-) -> Result<PathBuf> {
+) -> Result<Option<PathBuf>> {
     let running_app_path = cx.update(|cx| cx.app_path())??;
     let running_app_filename = running_app_path
         .file_name()
@@ -905,10 +933,10 @@ async fn install_release_macos(
         String::from_utf8_lossy(&output.stderr)
     );
 
-    Ok(running_app_path)
+    Ok(None)
 }
 
-async fn install_release_windows(downloaded_installer: PathBuf) -> Result<PathBuf> {
+async fn install_release_windows(downloaded_installer: PathBuf) -> Result<Option<PathBuf>> {
     let output = Command::new(downloaded_installer)
         .arg("/verysilent")
         .arg("/update=true")
@@ -921,29 +949,36 @@ async fn install_release_windows(downloaded_installer: PathBuf) -> Result<PathBu
         "failed to start installer: {:?}",
         String::from_utf8_lossy(&output.stderr)
     );
-    Ok(std::env::current_exe()?)
+    // We return the path to the update helper program, because it will
+    // perform the final steps of the update process, copying the new binary,
+    // deleting the old one, and launching the new binary.
+    let helper_path = std::env::current_exe()?
+        .parent()
+        .context("No parent dir for Zed.exe")?
+        .join("tools\\auto_update_helper.exe");
+    Ok(Some(helper_path))
 }
 
-pub fn check_pending_installation() -> bool {
+pub fn finalize_auto_update_on_quit() {
     let Some(installer_path) = std::env::current_exe()
         .ok()
         .and_then(|p| p.parent().map(|p| p.join("updates")))
     else {
-        return false;
+        return;
     };
 
     // The installer will create a flag file after it finishes updating
     let flag_file = installer_path.join("versions.txt");
-    if flag_file.exists() {
-        if let Some(helper) = installer_path
+    if flag_file.exists()
+        && let Some(helper) = installer_path
             .parent()
             .map(|p| p.join("tools\\auto_update_helper.exe"))
-        {
-            let _ = std::process::Command::new(helper).spawn();
-            return true;
-        }
+    {
+        let mut command = std::process::Command::new(helper);
+        command.arg("--launch");
+        command.arg("false");
+        let _ = command.spawn();
     }
-    false
 }
 
 #[cfg(test)]
@@ -997,7 +1032,6 @@ mod tests {
         let app_commit_sha = Ok(Some("a".to_string()));
         let installed_version = SemanticVersion::new(1, 0, 0);
         let status = AutoUpdateStatus::Updated {
-            binary_path: PathBuf::new(),
             version: VersionCheckType::Semantic(SemanticVersion::new(1, 0, 1)),
         };
         let fetched_version = SemanticVersion::new(1, 0, 1);
@@ -1019,7 +1053,6 @@ mod tests {
         let app_commit_sha = Ok(Some("a".to_string()));
         let installed_version = SemanticVersion::new(1, 0, 0);
         let status = AutoUpdateStatus::Updated {
-            binary_path: PathBuf::new(),
             version: VersionCheckType::Semantic(SemanticVersion::new(1, 0, 1)),
         };
         let fetched_version = SemanticVersion::new(1, 0, 2);
@@ -1085,7 +1118,6 @@ mod tests {
         let app_commit_sha = Ok(Some("a".to_string()));
         let installed_version = SemanticVersion::new(1, 0, 0);
         let status = AutoUpdateStatus::Updated {
-            binary_path: PathBuf::new(),
             version: VersionCheckType::Sha(AppCommitSha::new("b".to_string())),
         };
         let fetched_sha = "b".to_string();
@@ -1107,7 +1139,6 @@ mod tests {
         let app_commit_sha = Ok(Some("a".to_string()));
         let installed_version = SemanticVersion::new(1, 0, 0);
         let status = AutoUpdateStatus::Updated {
-            binary_path: PathBuf::new(),
             version: VersionCheckType::Sha(AppCommitSha::new("b".to_string())),
         };
         let fetched_sha = "c".to_string();
@@ -1155,7 +1186,6 @@ mod tests {
         let app_commit_sha = Ok(None);
         let installed_version = SemanticVersion::new(1, 0, 0);
         let status = AutoUpdateStatus::Updated {
-            binary_path: PathBuf::new(),
             version: VersionCheckType::Sha(AppCommitSha::new("b".to_string())),
         };
         let fetched_sha = "b".to_string();
@@ -1178,7 +1208,6 @@ mod tests {
         let app_commit_sha = Ok(None);
         let installed_version = SemanticVersion::new(1, 0, 0);
         let status = AutoUpdateStatus::Updated {
-            binary_path: PathBuf::new(),
             version: VersionCheckType::Sha(AppCommitSha::new("b".to_string())),
         };
         let fetched_sha = "c".to_string();
diff --git a/crates/auto_update_helper/src/auto_update_helper.rs b/crates/auto_update_helper/src/auto_update_helper.rs
index 7c810d8724..21ead701b2 100644
--- a/crates/auto_update_helper/src/auto_update_helper.rs
+++ b/crates/auto_update_helper/src/auto_update_helper.rs
@@ -18,7 +18,7 @@ fn main() {}
 
 #[cfg(target_os = "windows")]
 mod windows_impl {
-    use std::path::Path;
+    use std::{borrow::Cow, path::Path};
 
     use super::dialog::create_dialog_window;
     use super::updater::perform_update;
@@ -37,6 +37,11 @@ mod windows_impl {
     pub(crate) const WM_JOB_UPDATED: u32 = WM_USER + 1;
     pub(crate) const WM_TERMINATE: u32 = WM_USER + 2;
 
+    #[derive(Debug, Default)]
+    struct Args {
+        launch: bool,
+    }
+
     pub(crate) fn run() -> Result<()> {
         let helper_dir = std::env::current_exe()?
             .parent()
@@ -51,8 +56,9 @@ mod windows_impl {
         log::info!("======= Starting Zed update =======");
         let (tx, rx) = std::sync::mpsc::channel();
         let hwnd = create_dialog_window(rx)?.0 as isize;
+        let args = parse_args(std::env::args().skip(1));
         std::thread::spawn(move || {
-            let result = perform_update(app_dir.as_path(), Some(hwnd));
+            let result = perform_update(app_dir.as_path(), Some(hwnd), args.launch);
             tx.send(result).ok();
             unsafe { PostMessageW(Some(HWND(hwnd as _)), WM_TERMINATE, WPARAM(0), LPARAM(0)) }.ok();
         });
@@ -77,6 +83,29 @@ mod windows_impl {
         Ok(())
     }
 
+    fn parse_args(input: impl IntoIterator<Item = String>) -> Args {
+        let mut args: Args = Args { launch: true };
+
+        let mut input = input.into_iter();
+        if let Some(arg) = input.next() {
+            let launch_arg;
+
+            if arg == "--launch" {
+                launch_arg = input.next().map(Cow::Owned);
+            } else if let Some(rest) = arg.strip_prefix("--launch=") {
+                launch_arg = Some(Cow::Borrowed(rest));
+            } else {
+                launch_arg = None;
+            }
+
+            if launch_arg.as_deref() == Some("false") {
+                args.launch = false;
+            }
+        }
+
+        args
+    }
+
     pub(crate) fn show_error(mut content: String) {
         if content.len() > 600 {
             content.truncate(600);
@@ -91,4 +120,28 @@ mod windows_impl {
             )
         };
     }
+
+    #[cfg(test)]
+    mod tests {
+        use crate::windows_impl::parse_args;
+
+        #[test]
+        fn test_parse_args() {
+            // launch can be specified via two separate arguments
+            assert!(parse_args(["--launch".into(), "true".into()]).launch);
+            assert!(!parse_args(["--launch".into(), "false".into()]).launch);
+
+            // launch can be specified via one single argument
+            assert!(parse_args(["--launch=true".into()]).launch);
+            assert!(!parse_args(["--launch=false".into()]).launch);
+
+            // launch defaults to true on no arguments
+            assert!(parse_args([]).launch);
+
+            // launch defaults to true on invalid arguments
+            assert!(parse_args(["--launch".into()]).launch);
+            assert!(parse_args(["--launch=".into()]).launch);
+            assert!(parse_args(["--launch=invalid".into()]).launch);
+        }
+    }
 }
diff --git a/crates/auto_update_helper/src/dialog.rs b/crates/auto_update_helper/src/dialog.rs
index 010ebb4875..903ac34da2 100644
--- a/crates/auto_update_helper/src/dialog.rs
+++ b/crates/auto_update_helper/src/dialog.rs
@@ -72,7 +72,7 @@ pub(crate) fn create_dialog_window(receiver: Receiver<Result<()>>) -> Result<HWN
         let hwnd = CreateWindowExW(
             WS_EX_TOPMOST,
             class_name,
-            windows::core::w!("Zed Editor"),
+            windows::core::w!("Zed"),
             WS_VISIBLE | WS_POPUP | WS_CAPTION,
             rect.right / 2 - width / 2,
             rect.bottom / 2 - height / 2,
@@ -171,7 +171,7 @@ unsafe extern "system" fn wnd_proc(
                 &HSTRING::from(font_name),
             );
             let temp = SelectObject(hdc, font.into());
-            let string = HSTRING::from("Zed Editor is updating...");
+            let string = HSTRING::from("Updating Zed...");
             return_if_failed!(TextOutW(hdc, 20, 15, &string).ok());
             return_if_failed!(DeleteObject(temp).ok());
 
@@ -186,11 +186,11 @@ unsafe extern "system" fn wnd_proc(
         }),
         WM_TERMINATE => {
             with_dialog_data(hwnd, |data| {
-                if let Ok(result) = data.borrow_mut().rx.recv() {
-                    if let Err(e) = result {
-                        log::error!("Failed to update Zed: {:?}", e);
-                        show_error(format!("Error: {:?}", e));
-                    }
+                if let Ok(result) = data.borrow_mut().rx.recv()
+                    && let Err(e) = result
+                {
+                    log::error!("Failed to update Zed: {:?}", e);
+                    show_error(format!("Error: {:?}", e));
                 }
             });
             unsafe { PostQuitMessage(0) };
diff --git a/crates/auto_update_helper/src/updater.rs b/crates/auto_update_helper/src/updater.rs
index 9ec25cd9fd..7627716176 100644
--- a/crates/auto_update_helper/src/updater.rs
+++ b/crates/auto_update_helper/src/updater.rs
@@ -90,11 +90,7 @@ pub(crate) const JOBS: [Job; 2] = [
         std::thread::sleep(Duration::from_millis(1000));
         if let Ok(config) = std::env::var("ZED_AUTO_UPDATE") {
             match config.as_str() {
-                "err" => Err(std::io::Error::new(
-                    std::io::ErrorKind::Other,
-                    "Simulated error",
-                ))
-                .context("Anyhow!"),
+                "err" => Err(std::io::Error::other("Simulated error")).context("Anyhow!"),
                 _ => panic!("Unknown ZED_AUTO_UPDATE value: {}", config),
             }
         } else {
@@ -105,11 +101,7 @@ pub(crate) const JOBS: [Job; 2] = [
         std::thread::sleep(Duration::from_millis(1000));
         if let Ok(config) = std::env::var("ZED_AUTO_UPDATE") {
             match config.as_str() {
-                "err" => Err(std::io::Error::new(
-                    std::io::ErrorKind::Other,
-                    "Simulated error",
-                ))
-                .context("Anyhow!"),
+                "err" => Err(std::io::Error::other("Simulated error")).context("Anyhow!"),
                 _ => panic!("Unknown ZED_AUTO_UPDATE value: {}", config),
             }
         } else {
@@ -118,7 +110,7 @@ pub(crate) const JOBS: [Job; 2] = [
     },
 ];
 
-pub(crate) fn perform_update(app_dir: &Path, hwnd: Option<isize>) -> Result<()> {
+pub(crate) fn perform_update(app_dir: &Path, hwnd: Option<isize>, launch: bool) -> Result<()> {
     let hwnd = hwnd.map(|ptr| HWND(ptr as _));
 
     for job in JOBS.iter() {
@@ -145,9 +137,11 @@ pub(crate) fn perform_update(app_dir: &Path, hwnd: Option<isize>) -> Result<()>
             }
         }
     }
-    let _ = std::process::Command::new(app_dir.join("Zed.exe"))
-        .creation_flags(CREATE_NEW_PROCESS_GROUP.0)
-        .spawn();
+    if launch {
+        let _ = std::process::Command::new(app_dir.join("Zed.exe"))
+            .creation_flags(CREATE_NEW_PROCESS_GROUP.0)
+            .spawn();
+    }
     log::info!("Update completed successfully");
     Ok(())
 }
@@ -159,11 +153,11 @@ mod test {
     #[test]
     fn test_perform_update() {
         let app_dir = std::path::Path::new("C:/");
-        assert!(perform_update(app_dir, None).is_ok());
+        assert!(perform_update(app_dir, None, false).is_ok());
 
         // Simulate a timeout
         unsafe { std::env::set_var("ZED_AUTO_UPDATE", "err") };
-        let ret = perform_update(app_dir, None);
+        let ret = perform_update(app_dir, None, false);
         assert!(ret.is_err_and(|e| e.to_string().as_str() == "Timed out"));
     }
 }
diff --git a/crates/auto_update_ui/src/auto_update_ui.rs b/crates/auto_update_ui/src/auto_update_ui.rs
index 63baef1f7d..7063dffd6d 100644
--- a/crates/auto_update_ui/src/auto_update_ui.rs
+++ b/crates/auto_update_ui/src/auto_update_ui.rs
@@ -114,7 +114,7 @@ fn view_release_notes_locally(
                                     cx,
                                 );
                             workspace.add_item_to_active_pane(
-                                Box::new(markdown_preview.clone()),
+                                Box::new(markdown_preview),
                                 None,
                                 true,
                                 window,
diff --git a/crates/bedrock/src/bedrock.rs b/crates/bedrock/src/bedrock.rs
index 1c6a9bd0a1..c8315d4201 100644
--- a/crates/bedrock/src/bedrock.rs
+++ b/crates/bedrock/src/bedrock.rs
@@ -54,11 +54,7 @@ pub async fn stream_completion(
         )])));
     }
 
-    if request
-        .tools
-        .as_ref()
-        .map_or(false, |t| !t.tools.is_empty())
-    {
+    if request.tools.as_ref().is_some_and(|t| !t.tools.is_empty()) {
         response = response.set_tool_config(request.tools);
     }
 
diff --git a/crates/bedrock/src/models.rs b/crates/bedrock/src/models.rs
index b6eeafa2d6..69d2ffb845 100644
--- a/crates/bedrock/src/models.rs
+++ b/crates/bedrock/src/models.rs
@@ -32,11 +32,18 @@ pub enum Model {
     ClaudeSonnet4Thinking,
     #[serde(rename = "claude-opus-4", alias = "claude-opus-4-latest")]
     ClaudeOpus4,
+    #[serde(rename = "claude-opus-4-1", alias = "claude-opus-4-1-latest")]
+    ClaudeOpus4_1,
     #[serde(
         rename = "claude-opus-4-thinking",
         alias = "claude-opus-4-thinking-latest"
     )]
     ClaudeOpus4Thinking,
+    #[serde(
+        rename = "claude-opus-4-1-thinking",
+        alias = "claude-opus-4-1-thinking-latest"
+    )]
+    ClaudeOpus4_1Thinking,
     #[serde(rename = "claude-3-5-sonnet-v2", alias = "claude-3-5-sonnet-latest")]
     Claude3_5SonnetV2,
     #[serde(rename = "claude-3-7-sonnet", alias = "claude-3-7-sonnet-latest")]
@@ -147,7 +154,9 @@ impl Model {
             Model::ClaudeSonnet4 => "claude-4-sonnet",
             Model::ClaudeSonnet4Thinking => "claude-4-sonnet-thinking",
             Model::ClaudeOpus4 => "claude-4-opus",
+            Model::ClaudeOpus4_1 => "claude-4-opus-1",
             Model::ClaudeOpus4Thinking => "claude-4-opus-thinking",
+            Model::ClaudeOpus4_1Thinking => "claude-4-opus-1-thinking",
             Model::Claude3_5SonnetV2 => "claude-3-5-sonnet-v2",
             Model::Claude3_5Sonnet => "claude-3-5-sonnet",
             Model::Claude3Opus => "claude-3-opus",
@@ -208,6 +217,9 @@ impl Model {
             Model::ClaudeOpus4 | Model::ClaudeOpus4Thinking => {
                 "anthropic.claude-opus-4-20250514-v1:0"
             }
+            Model::ClaudeOpus4_1 | Model::ClaudeOpus4_1Thinking => {
+                "anthropic.claude-opus-4-1-20250805-v1:0"
+            }
             Model::Claude3_5SonnetV2 => "anthropic.claude-3-5-sonnet-20241022-v2:0",
             Model::Claude3_5Sonnet => "anthropic.claude-3-5-sonnet-20240620-v1:0",
             Model::Claude3Opus => "anthropic.claude-3-opus-20240229-v1:0",
@@ -266,7 +278,9 @@ impl Model {
             Self::ClaudeSonnet4 => "Claude Sonnet 4",
             Self::ClaudeSonnet4Thinking => "Claude Sonnet 4 Thinking",
             Self::ClaudeOpus4 => "Claude Opus 4",
+            Self::ClaudeOpus4_1 => "Claude Opus 4.1",
             Self::ClaudeOpus4Thinking => "Claude Opus 4 Thinking",
+            Self::ClaudeOpus4_1Thinking => "Claude Opus 4.1 Thinking",
             Self::Claude3_5SonnetV2 => "Claude 3.5 Sonnet v2",
             Self::Claude3_5Sonnet => "Claude 3.5 Sonnet",
             Self::Claude3Opus => "Claude 3 Opus",
@@ -330,8 +344,10 @@ impl Model {
             | Self::Claude3_7Sonnet
             | Self::ClaudeSonnet4
             | Self::ClaudeOpus4
+            | Self::ClaudeOpus4_1
             | Self::ClaudeSonnet4Thinking
-            | Self::ClaudeOpus4Thinking => 200_000,
+            | Self::ClaudeOpus4Thinking
+            | Self::ClaudeOpus4_1Thinking => 200_000,
             Self::AmazonNovaPremier => 1_000_000,
             Self::PalmyraWriterX5 => 1_000_000,
             Self::PalmyraWriterX4 => 128_000,
@@ -348,7 +364,9 @@ impl Model {
             | Self::ClaudeSonnet4
             | Self::ClaudeSonnet4Thinking
             | Self::ClaudeOpus4
-            | Model::ClaudeOpus4Thinking => 128_000,
+            | Model::ClaudeOpus4Thinking
+            | Self::ClaudeOpus4_1
+            | Model::ClaudeOpus4_1Thinking => 128_000,
             Self::Claude3_5SonnetV2 | Self::PalmyraWriterX4 | Self::PalmyraWriterX5 => 8_192,
             Self::Custom {
                 max_output_tokens, ..
@@ -366,6 +384,8 @@ impl Model {
             | Self::Claude3_7Sonnet
             | Self::ClaudeOpus4
             | Self::ClaudeOpus4Thinking
+            | Self::ClaudeOpus4_1
+            | Self::ClaudeOpus4_1Thinking
             | Self::ClaudeSonnet4
             | Self::ClaudeSonnet4Thinking => 1.0,
             Self::Custom {
@@ -387,6 +407,8 @@ impl Model {
             | Self::Claude3_7SonnetThinking
             | Self::ClaudeOpus4
             | Self::ClaudeOpus4Thinking
+            | Self::ClaudeOpus4_1
+            | Self::ClaudeOpus4_1Thinking
             | Self::ClaudeSonnet4
             | Self::ClaudeSonnet4Thinking
             | Self::Claude3_5Haiku => true,
@@ -420,7 +442,9 @@ impl Model {
             | Self::ClaudeSonnet4
             | Self::ClaudeSonnet4Thinking
             | Self::ClaudeOpus4
-            | Self::ClaudeOpus4Thinking => true,
+            | Self::ClaudeOpus4Thinking
+            | Self::ClaudeOpus4_1
+            | Self::ClaudeOpus4_1Thinking => true,
 
             // Custom models - check if they have cache configuration
             Self::Custom {
@@ -440,7 +464,9 @@ impl Model {
             | Self::ClaudeSonnet4
             | Self::ClaudeSonnet4Thinking
             | Self::ClaudeOpus4
-            | Self::ClaudeOpus4Thinking => Some(BedrockModelCacheConfiguration {
+            | Self::ClaudeOpus4Thinking
+            | Self::ClaudeOpus4_1
+            | Self::ClaudeOpus4_1Thinking => Some(BedrockModelCacheConfiguration {
                 max_cache_anchors: 4,
                 min_total_token: 1024,
             }),
@@ -467,9 +493,11 @@ impl Model {
             Model::ClaudeSonnet4Thinking => BedrockModelMode::Thinking {
                 budget_tokens: Some(4096),
             },
-            Model::ClaudeOpus4Thinking => BedrockModelMode::Thinking {
-                budget_tokens: Some(4096),
-            },
+            Model::ClaudeOpus4Thinking | Model::ClaudeOpus4_1Thinking => {
+                BedrockModelMode::Thinking {
+                    budget_tokens: Some(4096),
+                }
+            }
             _ => BedrockModelMode::Default,
         }
     }
@@ -518,6 +546,8 @@ impl Model {
                 | Model::ClaudeSonnet4Thinking
                 | Model::ClaudeOpus4
                 | Model::ClaudeOpus4Thinking
+                | Model::ClaudeOpus4_1
+                | Model::ClaudeOpus4_1Thinking
                 | Model::Claude3Haiku
                 | Model::Claude3Opus
                 | Model::Claude3Sonnet
diff --git a/crates/breadcrumbs/src/breadcrumbs.rs b/crates/breadcrumbs/src/breadcrumbs.rs
index 8eed7497da..a6b27476fe 100644
--- a/crates/breadcrumbs/src/breadcrumbs.rs
+++ b/crates/breadcrumbs/src/breadcrumbs.rs
@@ -82,11 +82,12 @@ impl Render for Breadcrumbs {
             }
             text_style.color = Color::Muted.color(cx);
 
-            if index == 0 && !TabBarSettings::get_global(cx).show && active_item.is_dirty(cx) {
-                if let Some(styled_element) = apply_dirty_filename_style(&segment, &text_style, cx)
-                {
-                    return styled_element;
-                }
+            if index == 0
+                && !TabBarSettings::get_global(cx).show
+                && active_item.is_dirty(cx)
+                && let Some(styled_element) = apply_dirty_filename_style(&segment, &text_style, cx)
+            {
+                return styled_element;
             }
 
             StyledText::new(segment.text.replace('\n', "⏎"))
@@ -231,7 +232,7 @@ fn apply_dirty_filename_style(
     let highlight = vec![(filename_position..text.len(), highlight_style)];
     Some(
         StyledText::new(text)
-            .with_default_highlights(&text_style, highlight)
+            .with_default_highlights(text_style, highlight)
             .into_any(),
     )
 }
diff --git a/crates/buffer_diff/src/buffer_diff.rs b/crates/buffer_diff/src/buffer_diff.rs
index 97f529fe37..b20dad4ebb 100644
--- a/crates/buffer_diff/src/buffer_diff.rs
+++ b/crates/buffer_diff/src/buffer_diff.rs
@@ -162,6 +162,22 @@ impl BufferDiffSnapshot {
         }
     }
 
+    fn unchanged(
+        buffer: &text::BufferSnapshot,
+        base_text: language::BufferSnapshot,
+    ) -> BufferDiffSnapshot {
+        debug_assert_eq!(buffer.text(), base_text.text());
+        BufferDiffSnapshot {
+            inner: BufferDiffInner {
+                base_text,
+                hunks: SumTree::new(buffer),
+                pending_hunks: SumTree::new(buffer),
+                base_text_exists: false,
+            },
+            secondary_diff: None,
+        }
+    }
+
     fn new_with_base_text(
         buffer: text::BufferSnapshot,
         base_text: Option<Arc<String>>,
@@ -175,12 +191,8 @@ impl BufferDiffSnapshot {
         if let Some(text) = &base_text {
             let base_text_rope = Rope::from(text.as_str());
             base_text_pair = Some((text.clone(), base_text_rope.clone()));
-            let snapshot = language::Buffer::build_snapshot(
-                base_text_rope,
-                language.clone(),
-                language_registry.clone(),
-                cx,
-            );
+            let snapshot =
+                language::Buffer::build_snapshot(base_text_rope, language, language_registry, cx);
             base_text_snapshot = cx.background_spawn(snapshot);
             base_text_exists = true;
         } else {
@@ -217,7 +229,10 @@ impl BufferDiffSnapshot {
         cx: &App,
     ) -> impl Future<Output = Self> + use<> {
         let base_text_exists = base_text.is_some();
-        let base_text_pair = base_text.map(|text| (text, base_text_snapshot.as_rope().clone()));
+        let base_text_pair = base_text.map(|text| {
+            debug_assert_eq!(&*text, &base_text_snapshot.text());
+            (text, base_text_snapshot.as_rope().clone())
+        });
         cx.background_executor()
             .spawn_labeled(*CALCULATE_DIFF_TASK, async move {
                 Self {
@@ -572,14 +587,14 @@ impl BufferDiffInner {
                         pending_range.end.column = 0;
                     }
 
-                    if pending_range == (start_point..end_point) {
-                        if !buffer.has_edits_since_in_range(
+                    if pending_range == (start_point..end_point)
+                        && !buffer.has_edits_since_in_range(
                             &pending_hunk.buffer_version,
                             start_anchor..end_anchor,
-                        ) {
-                            has_pending = true;
-                            secondary_status = pending_hunk.new_status;
-                        }
+                        )
+                    {
+                        has_pending = true;
+                        secondary_status = pending_hunk.new_status;
                     }
                 }
 
@@ -877,6 +892,18 @@ impl BufferDiff {
         }
     }
 
+    pub fn new_unchanged(
+        buffer: &text::BufferSnapshot,
+        base_text: language::BufferSnapshot,
+    ) -> Self {
+        debug_assert_eq!(buffer.text(), base_text.text());
+        BufferDiff {
+            buffer_id: buffer.remote_id(),
+            inner: BufferDiffSnapshot::unchanged(buffer, base_text).inner,
+            secondary_diff: None,
+        }
+    }
+
     #[cfg(any(test, feature = "test-support"))]
     pub fn new_with_base_text(
         base_text: &str,
@@ -928,7 +955,7 @@ impl BufferDiff {
         let new_index_text = self.inner.stage_or_unstage_hunks_impl(
             &self.secondary_diff.as_ref()?.read(cx).inner,
             stage,
-            &hunks,
+            hunks,
             buffer,
             file_exists,
         );
@@ -952,12 +979,12 @@ impl BufferDiff {
         cx: &App,
     ) -> Option<Range<Anchor>> {
         let start = self
-            .hunks_intersecting_range(range.clone(), &buffer, cx)
+            .hunks_intersecting_range(range.clone(), buffer, cx)
             .next()?
             .buffer_range
             .start;
         let end = self
-            .hunks_intersecting_range_rev(range.clone(), &buffer)
+            .hunks_intersecting_range_rev(range, buffer)
             .next()?
             .buffer_range
             .end;
@@ -1031,21 +1058,20 @@ impl BufferDiff {
                         && state.base_text.syntax_update_count()
                             == new_state.base_text.syntax_update_count() =>
                 {
-                    (false, new_state.compare(&state, buffer))
+                    (false, new_state.compare(state, buffer))
                 }
                 _ => (true, Some(text::Anchor::MIN..text::Anchor::MAX)),
             };
 
-        if let Some(secondary_changed_range) = secondary_diff_change {
-            if let Some(secondary_hunk_range) =
-                self.range_to_hunk_range(secondary_changed_range, &buffer, cx)
-            {
-                if let Some(range) = &mut changed_range {
-                    range.start = secondary_hunk_range.start.min(&range.start, &buffer);
-                    range.end = secondary_hunk_range.end.max(&range.end, &buffer);
-                } else {
-                    changed_range = Some(secondary_hunk_range);
-                }
+        if let Some(secondary_changed_range) = secondary_diff_change
+            && let Some(secondary_hunk_range) =
+                self.range_to_hunk_range(secondary_changed_range, buffer, cx)
+        {
+            if let Some(range) = &mut changed_range {
+                range.start = secondary_hunk_range.start.min(&range.start, buffer);
+                range.end = secondary_hunk_range.end.max(&range.end, buffer);
+            } else {
+                changed_range = Some(secondary_hunk_range);
             }
         }
 
@@ -1057,8 +1083,8 @@ impl BufferDiff {
             if let Some((first, last)) = state.pending_hunks.first().zip(state.pending_hunks.last())
             {
                 if let Some(range) = &mut changed_range {
-                    range.start = range.start.min(&first.buffer_range.start, &buffer);
-                    range.end = range.end.max(&last.buffer_range.end, &buffer);
+                    range.start = range.start.min(&first.buffer_range.start, buffer);
+                    range.end = range.end.max(&last.buffer_range.end, buffer);
                 } else {
                     changed_range = Some(first.buffer_range.start..last.buffer_range.end);
                 }
@@ -1442,7 +1468,7 @@ mod tests {
         .unindent();
 
         let buffer = Buffer::new(0, BufferId::new(1).unwrap(), buffer_text);
-        let unstaged_diff = BufferDiffSnapshot::new_sync(buffer.clone(), index_text.clone(), cx);
+        let unstaged_diff = BufferDiffSnapshot::new_sync(buffer.clone(), index_text, cx);
         let mut uncommitted_diff =
             BufferDiffSnapshot::new_sync(buffer.clone(), head_text.clone(), cx);
         uncommitted_diff.secondary_diff = Some(Box::new(unstaged_diff));
@@ -1797,7 +1823,7 @@ mod tests {
 
             uncommitted_diff.update(cx, |diff, cx| {
                 let hunks = diff
-                    .hunks_intersecting_range(hunk_range.clone(), &buffer, &cx)
+                    .hunks_intersecting_range(hunk_range.clone(), &buffer, cx)
                     .collect::<Vec<_>>();
                 for hunk in &hunks {
                     assert_ne!(
@@ -1812,7 +1838,7 @@ mod tests {
                     .to_string();
 
                 let hunks = diff
-                    .hunks_intersecting_range(hunk_range.clone(), &buffer, &cx)
+                    .hunks_intersecting_range(hunk_range.clone(), &buffer, cx)
                     .collect::<Vec<_>>();
                 for hunk in &hunks {
                     assert_eq!(
@@ -1870,7 +1896,7 @@ mod tests {
                 .to_string();
             assert_eq!(new_index_text, buffer_text);
 
-            let hunk = diff.hunks(&buffer, &cx).next().unwrap();
+            let hunk = diff.hunks(&buffer, cx).next().unwrap();
             assert_eq!(
                 hunk.secondary_status,
                 DiffHunkSecondaryStatus::SecondaryHunkRemovalPending
@@ -1882,7 +1908,7 @@ mod tests {
                 .to_string();
             assert_eq!(index_text, head_text);
 
-            let hunk = diff.hunks(&buffer, &cx).next().unwrap();
+            let hunk = diff.hunks(&buffer, cx).next().unwrap();
             // optimistically unstaged (fine, could also be HasSecondaryHunk)
             assert_eq!(
                 hunk.secondary_status,
@@ -2029,8 +2055,8 @@ mod tests {
         fn gen_working_copy(rng: &mut StdRng, head: &str) -> String {
             let mut old_lines = {
                 let mut old_lines = Vec::new();
-                let mut old_lines_iter = head.lines();
-                while let Some(line) = old_lines_iter.next() {
+                let old_lines_iter = head.lines();
+                for line in old_lines_iter {
                     assert!(!line.ends_with("\n"));
                     old_lines.push(line.to_owned());
                 }
@@ -2134,7 +2160,7 @@ mod tests {
             diff.hunks_intersecting_range(Anchor::MIN..Anchor::MAX, &working_copy, cx)
                 .collect::<Vec<_>>()
         });
-        if hunks.len() == 0 {
+        if hunks.is_empty() {
             return;
         }
 
diff --git a/crates/call/src/call_impl/mod.rs b/crates/call/src/call_impl/mod.rs
index 71c3149324..156a80faba 100644
--- a/crates/call/src/call_impl/mod.rs
+++ b/crates/call/src/call_impl/mod.rs
@@ -116,7 +116,7 @@ impl ActiveCall {
         envelope: TypedEnvelope<proto::IncomingCall>,
         mut cx: AsyncApp,
     ) -> Result<proto::Ack> {
-        let user_store = this.read_with(&mut cx, |this, _| this.user_store.clone())?;
+        let user_store = this.read_with(&cx, |this, _| this.user_store.clone())?;
         let call = IncomingCall {
             room_id: envelope.payload.room_id,
             participants: user_store
@@ -147,7 +147,7 @@ impl ActiveCall {
             let mut incoming_call = this.incoming_call.0.borrow_mut();
             if incoming_call
                 .as_ref()
-                .map_or(false, |call| call.room_id == envelope.payload.room_id)
+                .is_some_and(|call| call.room_id == envelope.payload.room_id)
             {
                 incoming_call.take();
             }
diff --git a/crates/call/src/call_impl/participant.rs b/crates/call/src/call_impl/participant.rs
index 8e1e264a23..6fb6a2eb79 100644
--- a/crates/call/src/call_impl/participant.rs
+++ b/crates/call/src/call_impl/participant.rs
@@ -64,7 +64,7 @@ pub struct RemoteParticipant {
 
 impl RemoteParticipant {
     pub fn has_video_tracks(&self) -> bool {
-        return !self.video_tracks.is_empty();
+        !self.video_tracks.is_empty()
     }
 
     pub fn can_write(&self) -> bool {
diff --git a/crates/call/src/call_impl/room.rs b/crates/call/src/call_impl/room.rs
index afeee4c924..ffe4c6c251 100644
--- a/crates/call/src/call_impl/room.rs
+++ b/crates/call/src/call_impl/room.rs
@@ -10,10 +10,10 @@ use client::{
 };
 use collections::{BTreeMap, HashMap, HashSet};
 use fs::Fs;
-use futures::{FutureExt, StreamExt};
+use futures::StreamExt;
 use gpui::{
-    App, AppContext as _, AsyncApp, Context, Entity, EventEmitter, ScreenCaptureSource,
-    ScreenCaptureStream, Task, WeakEntity,
+    App, AppContext as _, AsyncApp, Context, Entity, EventEmitter, FutureExt as _,
+    ScreenCaptureSource, ScreenCaptureStream, Task, Timeout, WeakEntity,
 };
 use gpui_tokio::Tokio;
 use language::LanguageRegistry;
@@ -370,57 +370,53 @@ impl Room {
                     })?;
 
                 // Wait for client to re-establish a connection to the server.
-                {
-                    let mut reconnection_timeout =
-                        cx.background_executor().timer(RECONNECT_TIMEOUT).fuse();
-                    let client_reconnection = async {
-                        let mut remaining_attempts = 3;
-                        while remaining_attempts > 0 {
-                            if client_status.borrow().is_connected() {
-                                log::info!("client reconnected, attempting to rejoin room");
+                let executor = cx.background_executor().clone();
+                let client_reconnection = async {
+                    let mut remaining_attempts = 3;
+                    while remaining_attempts > 0 {
+                        if client_status.borrow().is_connected() {
+                            log::info!("client reconnected, attempting to rejoin room");
 
-                                let Some(this) = this.upgrade() else { break };
-                                match this.update(cx, |this, cx| this.rejoin(cx)) {
-                                    Ok(task) => {
-                                        if task.await.log_err().is_some() {
-                                            return true;
-                                        } else {
-                                            remaining_attempts -= 1;
-                                        }
+                            let Some(this) = this.upgrade() else { break };
+                            match this.update(cx, |this, cx| this.rejoin(cx)) {
+                                Ok(task) => {
+                                    if task.await.log_err().is_some() {
+                                        return true;
+                                    } else {
+                                        remaining_attempts -= 1;
                                     }
-                                    Err(_app_dropped) => return false,
                                 }
-                            } else if client_status.borrow().is_signed_out() {
-                                return false;
+                                Err(_app_dropped) => return false,
                             }
-
-                            log::info!(
-                                "waiting for client status change, remaining attempts {}",
-                                remaining_attempts
-                            );
-                            client_status.next().await;
+                        } else if client_status.borrow().is_signed_out() {
+                            return false;
                         }
-                        false
+
+                        log::info!(
+                            "waiting for client status change, remaining attempts {}",
+                            remaining_attempts
+                        );
+                        client_status.next().await;
                     }
-                    .fuse();
-                    futures::pin_mut!(client_reconnection);
+                    false
+                };
 
-                    futures::select_biased! {
-                        reconnected = client_reconnection => {
-                            if reconnected {
-                                log::info!("successfully reconnected to room");
-                                // If we successfully joined the room, go back around the loop
-                                // waiting for future connection status changes.
-                                continue;
-                            }
-                        }
-                        _ = reconnection_timeout => {
-                            log::info!("room reconnection timeout expired");
-                        }
+                match client_reconnection
+                    .with_timeout(RECONNECT_TIMEOUT, &executor)
+                    .await
+                {
+                    Ok(true) => {
+                        log::info!("successfully reconnected to room");
+                        // If we successfully joined the room, go back around the loop
+                        // waiting for future connection status changes.
+                        continue;
+                    }
+                    Ok(false) => break,
+                    Err(Timeout) => {
+                        log::info!("room reconnection timeout expired");
+                        break;
                     }
                 }
-
-                break;
             }
         }
 
@@ -831,24 +827,23 @@ impl Room {
                             );
 
                             Audio::play_sound(Sound::Joined, cx);
-                            if let Some(livekit_participants) = &livekit_participants {
-                                if let Some(livekit_participant) = livekit_participants
+                            if let Some(livekit_participants) = &livekit_participants
+                                && let Some(livekit_participant) = livekit_participants
                                     .get(&ParticipantIdentity(user.id.to_string()))
+                            {
+                                for publication in
+                                    livekit_participant.track_publications().into_values()
                                 {
-                                    for publication in
-                                        livekit_participant.track_publications().into_values()
-                                    {
-                                        if let Some(track) = publication.track() {
-                                            this.livekit_room_updated(
-                                                RoomEvent::TrackSubscribed {
-                                                    track,
-                                                    publication,
-                                                    participant: livekit_participant.clone(),
-                                                },
-                                                cx,
-                                            )
-                                            .warn_on_err();
-                                        }
+                                    if let Some(track) = publication.track() {
+                                        this.livekit_room_updated(
+                                            RoomEvent::TrackSubscribed {
+                                                track,
+                                                publication,
+                                                participant: livekit_participant.clone(),
+                                            },
+                                            cx,
+                                        )
+                                        .warn_on_err();
                                     }
                                 }
                             }
@@ -944,10 +939,8 @@ impl Room {
                                 self.client.user_id()
                             )
                         })?;
-                if self.live_kit.as_ref().map_or(true, |kit| kit.deafened) {
-                    if publication.is_audio() {
-                        publication.set_enabled(false, cx);
-                    }
+                if self.live_kit.as_ref().is_none_or(|kit| kit.deafened) && publication.is_audio() {
+                    publication.set_enabled(false, cx);
                 }
                 match track {
                     livekit_client::RemoteTrack::Audio(track) => {
@@ -1009,10 +1002,10 @@ impl Room {
                 for (sid, participant) in &mut self.remote_participants {
                     participant.speaking = speaker_ids.binary_search(sid).is_ok();
                 }
-                if let Some(id) = self.client.user_id() {
-                    if let Some(room) = &mut self.live_kit {
-                        room.speaking = speaker_ids.binary_search(&id).is_ok();
-                    }
+                if let Some(id) = self.client.user_id()
+                    && let Some(room) = &mut self.live_kit
+                {
+                    room.speaking = speaker_ids.binary_search(&id).is_ok();
                 }
             }
 
@@ -1046,18 +1039,16 @@ impl Room {
                     if let LocalTrack::Published {
                         track_publication, ..
                     } = &room.microphone_track
+                        && track_publication.sid() == publication.sid()
                     {
-                        if track_publication.sid() == publication.sid() {
-                            room.microphone_track = LocalTrack::None;
-                        }
+                        room.microphone_track = LocalTrack::None;
                     }
                     if let LocalTrack::Published {
                         track_publication, ..
                     } = &room.screen_track
+                        && track_publication.sid() == publication.sid()
                     {
-                        if track_publication.sid() == publication.sid() {
-                            room.screen_track = LocalTrack::None;
-                        }
+                        room.screen_track = LocalTrack::None;
                     }
                 }
             }
@@ -1182,7 +1173,7 @@ impl Room {
             this.update(cx, |this, cx| {
                 this.shared_projects.insert(project.downgrade());
                 let active_project = this.local_participant.active_project.as_ref();
-                if active_project.map_or(false, |location| *location == project) {
+                if active_project.is_some_and(|location| *location == project) {
                     this.set_location(Some(&project), cx)
                 } else {
                     Task::ready(Ok(()))
@@ -1255,9 +1246,9 @@ impl Room {
     }
 
     pub fn is_sharing_screen(&self) -> bool {
-        self.live_kit.as_ref().map_or(false, |live_kit| {
-            !matches!(live_kit.screen_track, LocalTrack::None)
-        })
+        self.live_kit
+            .as_ref()
+            .is_some_and(|live_kit| !matches!(live_kit.screen_track, LocalTrack::None))
     }
 
     pub fn shared_screen_id(&self) -> Option<u64> {
@@ -1270,13 +1261,13 @@ impl Room {
     }
 
     pub fn is_sharing_mic(&self) -> bool {
-        self.live_kit.as_ref().map_or(false, |live_kit| {
-            !matches!(live_kit.microphone_track, LocalTrack::None)
-        })
+        self.live_kit
+            .as_ref()
+            .is_some_and(|live_kit| !matches!(live_kit.microphone_track, LocalTrack::None))
     }
 
     pub fn is_muted(&self) -> bool {
-        self.live_kit.as_ref().map_or(false, |live_kit| {
+        self.live_kit.as_ref().is_some_and(|live_kit| {
             matches!(live_kit.microphone_track, LocalTrack::None)
                 || live_kit.muted_by_user
                 || live_kit.deafened
@@ -1286,13 +1277,13 @@ impl Room {
     pub fn muted_by_user(&self) -> bool {
         self.live_kit
             .as_ref()
-            .map_or(false, |live_kit| live_kit.muted_by_user)
+            .is_some_and(|live_kit| live_kit.muted_by_user)
     }
 
     pub fn is_speaking(&self) -> bool {
         self.live_kit
             .as_ref()
-            .map_or(false, |live_kit| live_kit.speaking)
+            .is_some_and(|live_kit| live_kit.speaking)
     }
 
     pub fn is_deafened(&self) -> Option<bool> {
@@ -1488,10 +1479,8 @@ impl Room {
 
             self.set_deafened(deafened, cx);
 
-            if should_change_mute {
-                if let Some(task) = self.set_mute(deafened, cx) {
-                    task.detach_and_log_err(cx);
-                }
+            if should_change_mute && let Some(task) = self.set_mute(deafened, cx) {
+                task.detach_and_log_err(cx);
             }
         }
     }
diff --git a/crates/channel/src/channel_buffer.rs b/crates/channel/src/channel_buffer.rs
index 183f7eb3c6..828248b330 100644
--- a/crates/channel/src/channel_buffer.rs
+++ b/crates/channel/src/channel_buffer.rs
@@ -82,7 +82,7 @@ impl ChannelBuffer {
                 collaborators: Default::default(),
                 acknowledge_task: None,
                 channel_id: channel.id,
-                subscription: Some(subscription.set_entity(&cx.entity(), &mut cx.to_async())),
+                subscription: Some(subscription.set_entity(&cx.entity(), &cx.to_async())),
                 user_store,
                 channel_store,
             };
@@ -110,7 +110,7 @@ impl ChannelBuffer {
             let Ok(subscription) = self.client.subscribe_to_entity(self.channel_id.0) else {
                 return;
             };
-            self.subscription = Some(subscription.set_entity(&cx.entity(), &mut cx.to_async()));
+            self.subscription = Some(subscription.set_entity(&cx.entity(), &cx.to_async()));
             cx.emit(ChannelBufferEvent::Connected);
         }
     }
@@ -135,7 +135,7 @@ impl ChannelBuffer {
             }
         }
 
-        for (_, old_collaborator) in &self.collaborators {
+        for old_collaborator in self.collaborators.values() {
             if !new_collaborators.contains_key(&old_collaborator.peer_id) {
                 self.buffer.update(cx, |buffer, cx| {
                     buffer.remove_peer(old_collaborator.replica_id, cx)
@@ -191,12 +191,11 @@ impl ChannelBuffer {
                 operation,
                 is_local: true,
             } => {
-                if *ZED_ALWAYS_ACTIVE {
-                    if let language::Operation::UpdateSelections { selections, .. } = operation {
-                        if selections.is_empty() {
-                            return;
-                        }
-                    }
+                if *ZED_ALWAYS_ACTIVE
+                    && let language::Operation::UpdateSelections { selections, .. } = operation
+                    && selections.is_empty()
+                {
+                    return;
                 }
                 let operation = language::proto::serialize_operation(operation);
                 self.client
diff --git a/crates/channel/src/channel_chat.rs b/crates/channel/src/channel_chat.rs
index 866e3ccd90..baf23ac39f 100644
--- a/crates/channel/src/channel_chat.rs
+++ b/crates/channel/src/channel_chat.rs
@@ -13,7 +13,7 @@ use std::{
     ops::{ControlFlow, Range},
     sync::Arc,
 };
-use sum_tree::{Bias, SumTree};
+use sum_tree::{Bias, Dimensions, SumTree};
 use time::OffsetDateTime;
 use util::{ResultExt as _, TryFutureExt, post_inc};
 
@@ -329,22 +329,24 @@ impl ChannelChat {
         loop {
             let step = chat
                 .update(&mut cx, |chat, cx| {
-                    if let Some(first_id) = chat.first_loaded_message_id() {
-                        if first_id <= message_id {
-                            let mut cursor = chat.messages.cursor::<(ChannelMessageId, Count)>(&());
-                            let message_id = ChannelMessageId::Saved(message_id);
-                            cursor.seek(&message_id, Bias::Left);
-                            return ControlFlow::Break(
-                                if cursor
-                                    .item()
-                                    .map_or(false, |message| message.id == message_id)
-                                {
-                                    Some(cursor.start().1.0)
-                                } else {
-                                    None
-                                },
-                            );
-                        }
+                    if let Some(first_id) = chat.first_loaded_message_id()
+                        && first_id <= message_id
+                    {
+                        let mut cursor = chat
+                            .messages
+                            .cursor::<Dimensions<ChannelMessageId, Count>>(&());
+                        let message_id = ChannelMessageId::Saved(message_id);
+                        cursor.seek(&message_id, Bias::Left);
+                        return ControlFlow::Break(
+                            if cursor
+                                .item()
+                                .is_some_and(|message| message.id == message_id)
+                            {
+                                Some(cursor.start().1.0)
+                            } else {
+                                None
+                            },
+                        );
                     }
                     ControlFlow::Continue(chat.load_more_messages(cx))
                 })
@@ -357,22 +359,21 @@ impl ChannelChat {
     }
 
     pub fn acknowledge_last_message(&mut self, cx: &mut Context<Self>) {
-        if let ChannelMessageId::Saved(latest_message_id) = self.messages.summary().max_id {
-            if self
+        if let ChannelMessageId::Saved(latest_message_id) = self.messages.summary().max_id
+            && self
                 .last_acknowledged_id
-                .map_or(true, |acknowledged_id| acknowledged_id < latest_message_id)
-            {
-                self.rpc
-                    .send(proto::AckChannelMessage {
-                        channel_id: self.channel_id.0,
-                        message_id: latest_message_id,
-                    })
-                    .ok();
-                self.last_acknowledged_id = Some(latest_message_id);
-                self.channel_store.update(cx, |store, cx| {
-                    store.acknowledge_message_id(self.channel_id, latest_message_id, cx);
-                });
-            }
+                .is_none_or(|acknowledged_id| acknowledged_id < latest_message_id)
+        {
+            self.rpc
+                .send(proto::AckChannelMessage {
+                    channel_id: self.channel_id.0,
+                    message_id: latest_message_id,
+                })
+                .ok();
+            self.last_acknowledged_id = Some(latest_message_id);
+            self.channel_store.update(cx, |store, cx| {
+                store.acknowledge_message_id(self.channel_id, latest_message_id, cx);
+            });
         }
     }
 
@@ -405,10 +406,10 @@ impl ChannelChat {
         let missing_ancestors = loaded_messages
             .iter()
             .filter_map(|message| {
-                if let Some(ancestor_id) = message.reply_to_message_id {
-                    if !loaded_message_ids.contains(&ancestor_id) {
-                        return Some(ancestor_id);
-                    }
+                if let Some(ancestor_id) = message.reply_to_message_id
+                    && !loaded_message_ids.contains(&ancestor_id)
+                {
+                    return Some(ancestor_id);
                 }
                 None
             })
@@ -531,7 +532,7 @@ impl ChannelChat {
         message: TypedEnvelope<proto::ChannelMessageSent>,
         mut cx: AsyncApp,
     ) -> Result<()> {
-        let user_store = this.read_with(&mut cx, |this, _| this.user_store.clone())?;
+        let user_store = this.read_with(&cx, |this, _| this.user_store.clone())?;
         let message = message.payload.message.context("empty message")?;
         let message_id = message.id;
 
@@ -563,7 +564,7 @@ impl ChannelChat {
         message: TypedEnvelope<proto::ChannelMessageUpdate>,
         mut cx: AsyncApp,
     ) -> Result<()> {
-        let user_store = this.read_with(&mut cx, |this, _| this.user_store.clone())?;
+        let user_store = this.read_with(&cx, |this, _| this.user_store.clone())?;
         let message = message.payload.message.context("empty message")?;
 
         let message = ChannelMessage::from_proto(message, &user_store, &mut cx).await?;
@@ -587,7 +588,9 @@ impl ChannelChat {
                 .map(|m| m.nonce)
                 .collect::<HashSet<_>>();
 
-            let mut old_cursor = self.messages.cursor::<(ChannelMessageId, Count)>(&());
+            let mut old_cursor = self
+                .messages
+                .cursor::<Dimensions<ChannelMessageId, Count>>(&());
             let mut new_messages = old_cursor.slice(&first_message.id, Bias::Left);
             let start_ix = old_cursor.start().1.0;
             let removed_messages = old_cursor.slice(&last_message.id, Bias::Right);
@@ -609,7 +612,7 @@ impl ChannelChat {
                 while let Some(message) = old_cursor.item() {
                     let message_ix = old_cursor.start().1.0;
                     if nonces.contains(&message.nonce) {
-                        if ranges.last().map_or(false, |r| r.end == message_ix) {
+                        if ranges.last().is_some_and(|r| r.end == message_ix) {
                             ranges.last_mut().unwrap().end += 1;
                         } else {
                             ranges.push(message_ix..message_ix + 1);
@@ -642,32 +645,32 @@ impl ChannelChat {
     fn message_removed(&mut self, id: u64, cx: &mut Context<Self>) {
         let mut cursor = self.messages.cursor::<ChannelMessageId>(&());
         let mut messages = cursor.slice(&ChannelMessageId::Saved(id), Bias::Left);
-        if let Some(item) = cursor.item() {
-            if item.id == ChannelMessageId::Saved(id) {
-                let deleted_message_ix = messages.summary().count;
-                cursor.next();
-                messages.append(cursor.suffix(), &());
-                drop(cursor);
-                self.messages = messages;
+        if let Some(item) = cursor.item()
+            && item.id == ChannelMessageId::Saved(id)
+        {
+            let deleted_message_ix = messages.summary().count;
+            cursor.next();
+            messages.append(cursor.suffix(), &());
+            drop(cursor);
+            self.messages = messages;
 
-                // If the message that was deleted was the last acknowledged message,
-                // replace the acknowledged message with an earlier one.
-                self.channel_store.update(cx, |store, _| {
-                    let summary = self.messages.summary();
-                    if summary.count == 0 {
-                        store.set_acknowledged_message_id(self.channel_id, None);
-                    } else if deleted_message_ix == summary.count {
-                        if let ChannelMessageId::Saved(id) = summary.max_id {
-                            store.set_acknowledged_message_id(self.channel_id, Some(id));
-                        }
-                    }
-                });
+            // If the message that was deleted was the last acknowledged message,
+            // replace the acknowledged message with an earlier one.
+            self.channel_store.update(cx, |store, _| {
+                let summary = self.messages.summary();
+                if summary.count == 0 {
+                    store.set_acknowledged_message_id(self.channel_id, None);
+                } else if deleted_message_ix == summary.count
+                    && let ChannelMessageId::Saved(id) = summary.max_id
+                {
+                    store.set_acknowledged_message_id(self.channel_id, Some(id));
+                }
+            });
 
-                cx.emit(ChannelChatEvent::MessagesUpdated {
-                    old_range: deleted_message_ix..deleted_message_ix + 1,
-                    new_count: 0,
-                });
-            }
+            cx.emit(ChannelChatEvent::MessagesUpdated {
+                old_range: deleted_message_ix..deleted_message_ix + 1,
+                new_count: 0,
+            });
         }
     }
 
diff --git a/crates/channel/src/channel_store.rs b/crates/channel/src/channel_store.rs
index 4ad156b9fb..daa8a91c7c 100644
--- a/crates/channel/src/channel_store.rs
+++ b/crates/channel/src/channel_store.rs
@@ -262,13 +262,12 @@ impl ChannelStore {
                         }
                     }
                     status = status_receiver.next().fuse() => {
-                        if let Some(status) = status {
-                            if status.is_connected() {
+                        if let Some(status) = status
+                            && status.is_connected() {
                                 this.update(cx, |this, _cx| {
                                     this.initialize();
                                 }).ok();
                             }
-                        }
                         continue;
                     }
                     _ = timer => {
@@ -336,10 +335,10 @@ impl ChannelStore {
     }
 
     pub fn has_open_channel_buffer(&self, channel_id: ChannelId, _cx: &App) -> bool {
-        if let Some(buffer) = self.opened_buffers.get(&channel_id) {
-            if let OpenEntityHandle::Open(buffer) = buffer {
-                return buffer.upgrade().is_some();
-            }
+        if let Some(buffer) = self.opened_buffers.get(&channel_id)
+            && let OpenEntityHandle::Open(buffer) = buffer
+        {
+            return buffer.upgrade().is_some();
         }
         false
     }
@@ -408,13 +407,12 @@ impl ChannelStore {
 
     pub fn last_acknowledge_message_id(&self, channel_id: ChannelId) -> Option<u64> {
         self.channel_states.get(&channel_id).and_then(|state| {
-            if let Some(last_message_id) = state.latest_chat_message {
-                if state
+            if let Some(last_message_id) = state.latest_chat_message
+                && state
                     .last_acknowledged_message_id()
                     .is_some_and(|id| id < last_message_id)
-                {
-                    return state.last_acknowledged_message_id();
-                }
+            {
+                return state.last_acknowledged_message_id();
             }
 
             None
@@ -570,16 +568,14 @@ impl ChannelStore {
         self.channel_index
             .by_id()
             .get(&channel_id)
-            .map_or(false, |channel| channel.is_root_channel())
+            .is_some_and(|channel| channel.is_root_channel())
     }
 
     pub fn is_public_channel(&self, channel_id: ChannelId) -> bool {
         self.channel_index
             .by_id()
             .get(&channel_id)
-            .map_or(false, |channel| {
-                channel.visibility == ChannelVisibility::Public
-            })
+            .is_some_and(|channel| channel.visibility == ChannelVisibility::Public)
     }
 
     pub fn channel_capability(&self, channel_id: ChannelId) -> Capability {
@@ -910,9 +906,9 @@ impl ChannelStore {
     async fn handle_update_channels(
         this: Entity<Self>,
         message: TypedEnvelope<proto::UpdateChannels>,
-        mut cx: AsyncApp,
+        cx: AsyncApp,
     ) -> Result<()> {
-        this.read_with(&mut cx, |this, _| {
+        this.read_with(&cx, |this, _| {
             this.update_channels_tx
                 .unbounded_send(message.payload)
                 .unwrap();
@@ -962,27 +958,27 @@ impl ChannelStore {
         self.disconnect_channel_buffers_task.take();
 
         for chat in self.opened_chats.values() {
-            if let OpenEntityHandle::Open(chat) = chat {
-                if let Some(chat) = chat.upgrade() {
-                    chat.update(cx, |chat, cx| {
-                        chat.rejoin(cx);
-                    });
-                }
+            if let OpenEntityHandle::Open(chat) = chat
+                && let Some(chat) = chat.upgrade()
+            {
+                chat.update(cx, |chat, cx| {
+                    chat.rejoin(cx);
+                });
             }
         }
 
         let mut buffer_versions = Vec::new();
         for buffer in self.opened_buffers.values() {
-            if let OpenEntityHandle::Open(buffer) = buffer {
-                if let Some(buffer) = buffer.upgrade() {
-                    let channel_buffer = buffer.read(cx);
-                    let buffer = channel_buffer.buffer().read(cx);
-                    buffer_versions.push(proto::ChannelBufferVersion {
-                        channel_id: channel_buffer.channel_id.0,
-                        epoch: channel_buffer.epoch(),
-                        version: language::proto::serialize_version(&buffer.version()),
-                    });
-                }
+            if let OpenEntityHandle::Open(buffer) = buffer
+                && let Some(buffer) = buffer.upgrade()
+            {
+                let channel_buffer = buffer.read(cx);
+                let buffer = channel_buffer.buffer().read(cx);
+                buffer_versions.push(proto::ChannelBufferVersion {
+                    channel_id: channel_buffer.channel_id.0,
+                    epoch: channel_buffer.epoch(),
+                    version: language::proto::serialize_version(&buffer.version()),
+                });
             }
         }
 
@@ -1077,11 +1073,11 @@ impl ChannelStore {
 
                 if let Some(this) = this.upgrade() {
                     this.update(cx, |this, cx| {
-                        for (_, buffer) in &this.opened_buffers {
-                            if let OpenEntityHandle::Open(buffer) = &buffer {
-                                if let Some(buffer) = buffer.upgrade() {
-                                    buffer.update(cx, |buffer, cx| buffer.disconnect(cx));
-                                }
+                        for buffer in this.opened_buffers.values() {
+                            if let OpenEntityHandle::Open(buffer) = &buffer
+                                && let Some(buffer) = buffer.upgrade()
+                            {
+                                buffer.update(cx, |buffer, cx| buffer.disconnect(cx));
                             }
                         }
                     })
@@ -1157,10 +1153,9 @@ impl ChannelStore {
                     }
                     if let Some(OpenEntityHandle::Open(buffer)) =
                         self.opened_buffers.remove(&channel_id)
+                        && let Some(buffer) = buffer.upgrade()
                     {
-                        if let Some(buffer) = buffer.upgrade() {
-                            buffer.update(cx, ChannelBuffer::disconnect);
-                        }
+                        buffer.update(cx, ChannelBuffer::disconnect);
                     }
                 }
             }
@@ -1170,12 +1165,11 @@ impl ChannelStore {
                 let id = ChannelId(channel.id);
                 let channel_changed = index.insert(channel);
 
-                if channel_changed {
-                    if let Some(OpenEntityHandle::Open(buffer)) = self.opened_buffers.get(&id) {
-                        if let Some(buffer) = buffer.upgrade() {
-                            buffer.update(cx, ChannelBuffer::channel_changed);
-                        }
-                    }
+                if channel_changed
+                    && let Some(OpenEntityHandle::Open(buffer)) = self.opened_buffers.get(&id)
+                    && let Some(buffer) = buffer.upgrade()
+                {
+                    buffer.update(cx, ChannelBuffer::channel_changed);
                 }
             }
 
diff --git a/crates/channel/src/channel_store_tests.rs b/crates/channel/src/channel_store_tests.rs
index f8f5de3c39..2a91433084 100644
--- a/crates/channel/src/channel_store_tests.rs
+++ b/crates/channel/src/channel_store_tests.rs
@@ -259,20 +259,6 @@ async fn test_channel_messages(cx: &mut TestAppContext) {
         assert_channels(&channel_store, &[(0, "the-channel".to_string())], cx);
     });
 
-    let get_users = server.receive::<proto::GetUsers>().await.unwrap();
-    assert_eq!(get_users.payload.user_ids, vec![5]);
-    server.respond(
-        get_users.receipt(),
-        proto::UsersResponse {
-            users: vec![proto::User {
-                id: 5,
-                github_login: "nathansobo".into(),
-                avatar_url: "http://avatar.com/nathansobo".into(),
-                name: None,
-            }],
-        },
-    );
-
     // Join a channel and populate its existing messages.
     let channel = channel_store.update(cx, |store, cx| {
         let channel_id = store.ordered_channels().next().unwrap().1.id;
@@ -334,7 +320,7 @@ async fn test_channel_messages(cx: &mut TestAppContext) {
                 .map(|message| (message.sender.github_login.clone(), message.body.clone()))
                 .collect::<Vec<_>>(),
             &[
-                ("nathansobo".into(), "a".into()),
+                ("user-5".into(), "a".into()),
                 ("maxbrunsfeld".into(), "b".into())
             ]
         );
@@ -437,7 +423,7 @@ async fn test_channel_messages(cx: &mut TestAppContext) {
                 .map(|message| (message.sender.github_login.clone(), message.body.clone()))
                 .collect::<Vec<_>>(),
             &[
-                ("nathansobo".into(), "y".into()),
+                ("user-5".into(), "y".into()),
                 ("maxbrunsfeld".into(), "z".into())
             ]
         );
@@ -452,7 +438,7 @@ fn init_test(cx: &mut App) -> Entity<ChannelStore> {
 
     let clock = Arc::new(FakeSystemClock::new());
     let http = FakeHttpClient::with_404_response();
-    let client = Client::new(clock, http.clone(), cx);
+    let client = Client::new(clock, http, cx);
     let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
 
     client::init(&client, cx);
diff --git a/crates/cli/src/main.rs b/crates/cli/src/main.rs
index 287c62b753..b84e7a9f7a 100644
--- a/crates/cli/src/main.rs
+++ b/crates/cli/src/main.rs
@@ -363,7 +363,7 @@ fn anonymous_fd(path: &str) -> Option<fs::File> {
 
         let fd: fd::RawFd = fd_str.parse().ok()?;
         let file = unsafe { fs::File::from_raw_fd(fd) };
-        return Some(file);
+        Some(file)
     }
     #[cfg(any(target_os = "macos", target_os = "freebsd"))]
     {
@@ -381,13 +381,13 @@ fn anonymous_fd(path: &str) -> Option<fs::File> {
         }
         let fd: fd::RawFd = fd_str.parse().ok()?;
         let file = unsafe { fs::File::from_raw_fd(fd) };
-        return Some(file);
+        Some(file)
     }
     #[cfg(not(any(target_os = "linux", target_os = "macos", target_os = "freebsd")))]
     {
         _ = path;
         // not implemented for bsd, windows. Could be, but isn't yet
-        return None;
+        None
     }
 }
 
@@ -400,7 +400,6 @@ mod linux {
         os::unix::net::{SocketAddr, UnixDatagram},
         path::{Path, PathBuf},
         process::{self, ExitStatus},
-        sync::LazyLock,
         thread,
         time::Duration,
     };
@@ -411,9 +410,6 @@ mod linux {
 
     use crate::{Detect, InstalledApp};
 
-    static RELEASE_CHANNEL: LazyLock<String> =
-        LazyLock::new(|| include_str!("../../zed/RELEASE_CHANNEL").trim().to_string());
-
     struct App(PathBuf);
 
     impl Detect {
@@ -444,10 +440,10 @@ mod linux {
         fn zed_version_string(&self) -> String {
             format!(
                 "Zed {}{}{} – {}",
-                if *RELEASE_CHANNEL == "stable" {
+                if *release_channel::RELEASE_CHANNEL_NAME == "stable" {
                     "".to_string()
                 } else {
-                    format!("{} ", *RELEASE_CHANNEL)
+                    format!("{} ", *release_channel::RELEASE_CHANNEL_NAME)
                 },
                 option_env!("RELEASE_VERSION").unwrap_or_default(),
                 match option_env!("ZED_COMMIT_SHA") {
@@ -459,7 +455,10 @@ mod linux {
         }
 
         fn launch(&self, ipc_url: String) -> anyhow::Result<()> {
-            let sock_path = paths::data_dir().join(format!("zed-{}.sock", *RELEASE_CHANNEL));
+            let sock_path = paths::data_dir().join(format!(
+                "zed-{}.sock",
+                *release_channel::RELEASE_CHANNEL_NAME
+            ));
             let sock = UnixDatagram::unbound()?;
             if sock.connect(&sock_path).is_err() {
                 self.boot_background(ipc_url)?;
@@ -495,11 +494,11 @@ mod linux {
                 Ok(Fork::Parent(_)) => Ok(()),
                 Ok(Fork::Child) => {
                     unsafe { std::env::set_var(FORCE_CLI_MODE_ENV_VAR_NAME, "") };
-                    if let Err(_) = fork::setsid() {
+                    if fork::setsid().is_err() {
                         eprintln!("failed to setsid: {}", std::io::Error::last_os_error());
                         process::exit(1);
                     }
-                    if let Err(_) = fork::close_fd() {
+                    if fork::close_fd().is_err() {
                         eprintln!("failed to close_fd: {}", std::io::Error::last_os_error());
                     }
                     let error =
@@ -519,11 +518,11 @@ mod linux {
         ) -> Result<(), std::io::Error> {
             for _ in 0..100 {
                 thread::sleep(Duration::from_millis(10));
-                if sock.connect_addr(&sock_addr).is_ok() {
+                if sock.connect_addr(sock_addr).is_ok() {
                     return Ok(());
                 }
             }
-            sock.connect_addr(&sock_addr)
+            sock.connect_addr(sock_addr)
         }
     }
 }
@@ -535,8 +534,8 @@ mod flatpak {
     use std::process::Command;
     use std::{env, process};
 
-    const EXTRA_LIB_ENV_NAME: &'static str = "ZED_FLATPAK_LIB_PATH";
-    const NO_ESCAPE_ENV_NAME: &'static str = "ZED_FLATPAK_NO_ESCAPE";
+    const EXTRA_LIB_ENV_NAME: &str = "ZED_FLATPAK_LIB_PATH";
+    const NO_ESCAPE_ENV_NAME: &str = "ZED_FLATPAK_NO_ESCAPE";
 
     /// Adds bundled libraries to LD_LIBRARY_PATH if running under flatpak
     pub fn ld_extra_libs() {
@@ -587,14 +586,11 @@ mod flatpak {
 
     pub fn set_bin_if_no_escape(mut args: super::Args) -> super::Args {
         if env::var(NO_ESCAPE_ENV_NAME).is_ok()
-            && env::var("FLATPAK_ID").map_or(false, |id| id.starts_with("dev.zed.Zed"))
+            && env::var("FLATPAK_ID").is_ok_and(|id| id.starts_with("dev.zed.Zed"))
+            && args.zed.is_none()
         {
-            if args.zed.is_none() {
-                args.zed = Some("/app/libexec/zed-editor".into());
-                unsafe {
-                    env::set_var("ZED_UPDATE_EXPLANATION", "Please use flatpak to update zed")
-                };
-            }
+            args.zed = Some("/app/libexec/zed-editor".into());
+            unsafe { env::set_var("ZED_UPDATE_EXPLANATION", "Please use flatpak to update zed") };
         }
         args
     }
@@ -930,7 +926,7 @@ mod mac_os {
 
         fn path(&self) -> PathBuf {
             match self {
-                Bundle::App { app_bundle, .. } => app_bundle.join("Contents/MacOS/zed").clone(),
+                Bundle::App { app_bundle, .. } => app_bundle.join("Contents/MacOS/zed"),
                 Bundle::LocalPath { executable, .. } => executable.clone(),
             }
         }
@@ -958,17 +954,14 @@ mod mac_os {
     ) -> Result<()> {
         use anyhow::bail;
 
-        let app_id_prompt = format!("id of app \"{}\"", channel.display_name());
-        let app_id_output = Command::new("osascript")
+        let app_path_prompt = format!(
+            "POSIX path of (path to application \"{}\")",
+            channel.display_name()
+        );
+        let app_path_output = Command::new("osascript")
             .arg("-e")
-            .arg(&app_id_prompt)
+            .arg(&app_path_prompt)
             .output()?;
-        if !app_id_output.status.success() {
-            bail!("Could not determine app id for {}", channel.display_name());
-        }
-        let app_name = String::from_utf8(app_id_output.stdout)?.trim().to_owned();
-        let app_path_prompt = format!("kMDItemCFBundleIdentifier == '{app_name}'");
-        let app_path_output = Command::new("mdfind").arg(app_path_prompt).output()?;
         if !app_path_output.status.success() {
             bail!(
                 "Could not determine app path for {}",
diff --git a/crates/client/Cargo.toml b/crates/client/Cargo.toml
index 3ff03114ea..5c6d1157fd 100644
--- a/crates/client/Cargo.toml
+++ b/crates/client/Cargo.toml
@@ -17,7 +17,6 @@ test-support = ["clock/test-support", "collections/test-support", "gpui/test-sup
 
 [dependencies]
 anyhow.workspace = true
-async-recursion = "0.3"
 async-tungstenite = { workspace = true, features = ["tokio", "tokio-rustls-manual-roots"] }
 base64.workspace = true
 chrono = { workspace = true, features = ["serde"] }
@@ -45,6 +44,7 @@ rpc = { workspace = true, features = ["gpui"] }
 schemars.workspace = true
 serde.workspace = true
 serde_json.workspace = true
+serde_urlencoded.workspace = true
 settings.workspace = true
 sha2.workspace = true
 smol.workspace = true
diff --git a/crates/client/src/client.rs b/crates/client/src/client.rs
index 998ce04636..2bbe7dd1b5 100644
--- a/crates/client/src/client.rs
+++ b/crates/client/src/client.rs
@@ -1,29 +1,28 @@
 #[cfg(any(test, feature = "test-support"))]
 pub mod test;
 
-mod cloud;
 mod proxy;
 pub mod telemetry;
 pub mod user;
 pub mod zed_urls;
 
-use anyhow::{Context as _, Result, anyhow, bail};
-use async_recursion::async_recursion;
+use anyhow::{Context as _, Result, anyhow};
 use async_tungstenite::tungstenite::{
     client::IntoClientRequest,
     error::Error as WebsocketError,
     http::{HeaderValue, Request, StatusCode},
 };
-use chrono::{DateTime, Utc};
 use clock::SystemClock;
 use cloud_api_client::CloudApiClient;
+use cloud_api_client::websocket_protocol::MessageToClient;
 use credentials_provider::CredentialsProvider;
+use feature_flags::FeatureFlagAppExt as _;
 use futures::{
     AsyncReadExt, FutureExt, SinkExt, Stream, StreamExt, TryFutureExt as _, TryStreamExt,
     channel::oneshot, future::BoxFuture,
 };
 use gpui::{App, AsyncApp, Entity, Global, Task, WeakEntity, actions};
-use http_client::{AsyncBody, HttpClient, HttpClientWithUrl, http};
+use http_client::{HttpClient, HttpClientWithUrl, http};
 use parking_lot::RwLock;
 use postage::watch;
 use proxy::connect_proxy_stream;
@@ -53,7 +52,6 @@ use tokio::net::TcpStream;
 use url::Url;
 use util::{ConnectionResult, ResultExt};
 
-pub use cloud::*;
 pub use rpc::*;
 pub use telemetry_events::Event;
 pub use user::*;
@@ -68,6 +66,8 @@ pub static IMPERSONATE_LOGIN: LazyLock<Option<String>> = LazyLock::new(|| {
         .and_then(|s| if s.is_empty() { None } else { Some(s) })
 });
 
+pub static USE_WEB_LOGIN: LazyLock<bool> = LazyLock::new(|| std::env::var("ZED_WEB_LOGIN").is_ok());
+
 pub static ADMIN_API_TOKEN: LazyLock<Option<String>> = LazyLock::new(|| {
     std::env::var("ZED_ADMIN_API_TOKEN")
         .ok()
@@ -78,7 +78,7 @@ pub static ZED_APP_PATH: LazyLock<Option<PathBuf>> =
     LazyLock::new(|| std::env::var("ZED_APP_PATH").ok().map(PathBuf::from));
 
 pub static ZED_ALWAYS_ACTIVE: LazyLock<bool> =
-    LazyLock::new(|| std::env::var("ZED_ALWAYS_ACTIVE").map_or(false, |e| !e.is_empty()));
+    LazyLock::new(|| std::env::var("ZED_ALWAYS_ACTIVE").is_ok_and(|e| !e.is_empty()));
 
 pub const INITIAL_RECONNECTION_DELAY: Duration = Duration::from_millis(500);
 pub const MAX_RECONNECTION_DELAY: Duration = Duration::from_secs(30);
@@ -154,7 +154,6 @@ impl Settings for ProxySettings {
 
 pub fn init_settings(cx: &mut App) {
     TelemetrySettings::register(cx);
-    DisableAiSettings::register(cx);
     ClientSettings::register(cx);
     ProxySettings::register(cx);
 }
@@ -165,20 +164,8 @@ pub fn init(client: &Arc<Client>, cx: &mut App) {
         let client = client.clone();
         move |_: &SignIn, cx| {
             if let Some(client) = client.upgrade() {
-                cx.spawn(
-                    async move |cx| match client.authenticate_and_connect(true, &cx).await {
-                        ConnectionResult::Timeout => {
-                            log::error!("Initial authentication timed out");
-                        }
-                        ConnectionResult::ConnectionReset => {
-                            log::error!("Initial authentication connection reset");
-                        }
-                        ConnectionResult::Result(r) => {
-                            r.log_err();
-                        }
-                    },
-                )
-                .detach();
+                cx.spawn(async move |cx| client.sign_in_with_optional_connect(true, cx).await)
+                    .detach_and_log_err(cx);
             }
         }
     });
@@ -188,7 +175,7 @@ pub fn init(client: &Arc<Client>, cx: &mut App) {
         move |_: &SignOut, cx| {
             if let Some(client) = client.upgrade() {
                 cx.spawn(async move |cx| {
-                    client.sign_out(&cx).await;
+                    client.sign_out(cx).await;
                 })
                 .detach();
             }
@@ -196,11 +183,11 @@ pub fn init(client: &Arc<Client>, cx: &mut App) {
     });
 
     cx.on_action({
-        let client = client.clone();
+        let client = client;
         move |_: &Reconnect, cx| {
             if let Some(client) = client.upgrade() {
                 cx.spawn(async move |cx| {
-                    client.reconnect(&cx);
+                    client.reconnect(cx);
                 })
                 .detach();
             }
@@ -208,6 +195,8 @@ pub fn init(client: &Arc<Client>, cx: &mut App) {
     });
 }
 
+pub type MessageToClientHandler = Box<dyn Fn(&MessageToClient, &mut App) + Send + Sync + 'static>;
+
 struct GlobalClient(Arc<Client>);
 
 impl Global for GlobalClient {}
@@ -221,6 +210,7 @@ pub struct Client {
     credentials_provider: ClientCredentialsProvider,
     state: RwLock<ClientState>,
     handler_set: parking_lot::Mutex<ProtoMessageHandlerSet>,
+    message_to_client_handlers: parking_lot::Mutex<Vec<MessageToClientHandler>>,
 
     #[allow(clippy::type_complexity)]
     #[cfg(any(test, feature = "test-support"))]
@@ -287,6 +277,8 @@ pub enum Status {
     SignedOut,
     UpgradeRequired,
     Authenticating,
+    Authenticated,
+    AuthenticationError,
     Connecting,
     ConnectionError,
     Connected {
@@ -553,33 +545,6 @@ impl settings::Settings for TelemetrySettings {
     }
 }
 
-/// Whether to disable all AI features in Zed.
-///
-/// Default: false
-#[derive(Copy, Clone, Debug)]
-pub struct DisableAiSettings {
-    pub disable_ai: bool,
-}
-
-impl settings::Settings for DisableAiSettings {
-    const KEY: Option<&'static str> = Some("disable_ai");
-
-    type FileContent = Option<bool>;
-
-    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
-        Ok(Self {
-            disable_ai: sources
-                .user
-                .or(sources.server)
-                .copied()
-                .flatten()
-                .unwrap_or(sources.default.ok_or_else(Self::missing_default)?),
-        })
-    }
-
-    fn import_from_vscode(_vscode: &settings::VsCodeSettings, _current: &mut Self::FileContent) {}
-}
-
 impl Client {
     pub fn new(
         clock: Arc<dyn SystemClock>,
@@ -595,6 +560,7 @@ impl Client {
             credentials_provider: ClientCredentialsProvider::new(cx),
             state: Default::default(),
             handler_set: Default::default(),
+            message_to_client_handlers: parking_lot::Mutex::new(Vec::new()),
 
             #[cfg(any(test, feature = "test-support"))]
             authenticate: Default::default(),
@@ -713,7 +679,7 @@ impl Client {
 
                     let mut delay = INITIAL_RECONNECTION_DELAY;
                     loop {
-                        match client.authenticate_and_connect(true, &cx).await {
+                        match client.connect(true, cx).await {
                             ConnectionResult::Timeout => {
                                 log::error!("client connect attempt timed out")
                             }
@@ -729,12 +695,15 @@ impl Client {
                             }
                         }
 
-                        if matches!(*client.status().borrow(), Status::ConnectionError) {
+                        if matches!(
+                            *client.status().borrow(),
+                            Status::AuthenticationError | Status::ConnectionError
+                        ) {
                             client.set_status(
                                 Status::ReconnectionError {
                                     next_reconnection: Instant::now() + delay,
                                 },
-                                &cx,
+                                cx,
                             );
                             let jitter =
                                 Duration::from_millis(rng.gen_range(0..delay.as_millis() as u64));
@@ -824,7 +793,7 @@ impl Client {
             Arc::new(move |subscriber, envelope, client, cx| {
                 let subscriber = subscriber.downcast::<E>().unwrap();
                 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
-                handler(subscriber, *envelope, client.clone(), cx).boxed_local()
+                handler(subscriber, *envelope, client, cx).boxed_local()
             }),
         );
         if prev_handler.is_some() {
@@ -883,20 +852,190 @@ impl Client {
             .is_some()
     }
 
-    #[async_recursion(?Send)]
-    pub async fn authenticate_and_connect(
+    pub async fn sign_in(
+        self: &Arc<Self>,
+        try_provider: bool,
+        cx: &AsyncApp,
+    ) -> Result<Credentials> {
+        if self.status().borrow().is_signed_out() {
+            self.set_status(Status::Authenticating, cx);
+        } else {
+            self.set_status(Status::Reauthenticating, cx);
+        }
+
+        let mut credentials = None;
+
+        let old_credentials = self.state.read().credentials.clone();
+        if let Some(old_credentials) = old_credentials
+            && self.validate_credentials(&old_credentials, cx).await?
+        {
+            credentials = Some(old_credentials);
+        }
+
+        if credentials.is_none()
+            && try_provider
+            && let Some(stored_credentials) = self.credentials_provider.read_credentials(cx).await
+        {
+            if self.validate_credentials(&stored_credentials, cx).await? {
+                credentials = Some(stored_credentials);
+            } else {
+                self.credentials_provider
+                    .delete_credentials(cx)
+                    .await
+                    .log_err();
+            }
+        }
+
+        if credentials.is_none() {
+            let mut status_rx = self.status();
+            let _ = status_rx.next().await;
+            futures::select_biased! {
+                authenticate = self.authenticate(cx).fuse() => {
+                    match authenticate {
+                        Ok(creds) => {
+                            if IMPERSONATE_LOGIN.is_none() {
+                                self.credentials_provider
+                                    .write_credentials(creds.user_id, creds.access_token.clone(), cx)
+                                    .await
+                                    .log_err();
+                            }
+
+                            credentials = Some(creds);
+                        },
+                        Err(err) => {
+                            self.set_status(Status::AuthenticationError, cx);
+                            return Err(err);
+                        }
+                    }
+                }
+                _ = status_rx.next().fuse() => {
+                    return Err(anyhow!("authentication canceled"));
+                }
+            }
+        }
+
+        let credentials = credentials.unwrap();
+        self.set_id(credentials.user_id);
+        self.cloud_client
+            .set_credentials(credentials.user_id as u32, credentials.access_token.clone());
+        self.state.write().credentials = Some(credentials.clone());
+        self.set_status(Status::Authenticated, cx);
+
+        Ok(credentials)
+    }
+
+    async fn validate_credentials(
+        self: &Arc<Self>,
+        credentials: &Credentials,
+        cx: &AsyncApp,
+    ) -> Result<bool> {
+        match self
+            .cloud_client
+            .validate_credentials(credentials.user_id as u32, &credentials.access_token)
+            .await
+        {
+            Ok(valid) => Ok(valid),
+            Err(err) => {
+                self.set_status(Status::AuthenticationError, cx);
+                Err(anyhow!("failed to validate credentials: {}", err))
+            }
+        }
+    }
+
+    /// Establishes a WebSocket connection with Cloud for receiving updates from the server.
+    async fn connect_to_cloud(self: &Arc<Self>, cx: &AsyncApp) -> Result<()> {
+        let connect_task = cx.update({
+            let cloud_client = self.cloud_client.clone();
+            move |cx| cloud_client.connect(cx)
+        })??;
+        let connection = connect_task.await?;
+
+        let (mut messages, task) = cx.update(|cx| connection.spawn(cx))?;
+        task.detach();
+
+        cx.spawn({
+            let this = self.clone();
+            async move |cx| {
+                while let Some(message) = messages.next().await {
+                    if let Some(message) = message.log_err() {
+                        this.handle_message_to_client(message, cx);
+                    }
+                }
+            }
+        })
+        .detach();
+
+        Ok(())
+    }
+
+    /// Performs a sign-in and also (optionally) connects to Collab.
+    ///
+    /// Only Zed staff automatically connect to Collab.
+    pub async fn sign_in_with_optional_connect(
+        self: &Arc<Self>,
+        try_provider: bool,
+        cx: &AsyncApp,
+    ) -> Result<()> {
+        // Don't try to sign in again if we're already connected to Collab, as it will temporarily disconnect us.
+        if self.status().borrow().is_connected() {
+            return Ok(());
+        }
+
+        let (is_staff_tx, is_staff_rx) = oneshot::channel::<bool>();
+        let mut is_staff_tx = Some(is_staff_tx);
+        cx.update(|cx| {
+            cx.on_flags_ready(move |state, _cx| {
+                if let Some(is_staff_tx) = is_staff_tx.take() {
+                    is_staff_tx.send(state.is_staff).log_err();
+                }
+            })
+            .detach();
+        })
+        .log_err();
+
+        let credentials = self.sign_in(try_provider, cx).await?;
+
+        self.connect_to_cloud(cx).await.log_err();
+
+        cx.update(move |cx| {
+            cx.spawn({
+                let client = self.clone();
+                async move |cx| {
+                    let is_staff = is_staff_rx.await?;
+                    if is_staff {
+                        match client.connect_with_credentials(credentials, cx).await {
+                            ConnectionResult::Timeout => Err(anyhow!("connection timed out")),
+                            ConnectionResult::ConnectionReset => Err(anyhow!("connection reset")),
+                            ConnectionResult::Result(result) => {
+                                result.context("client auth and connect")
+                            }
+                        }
+                    } else {
+                        Ok(())
+                    }
+                }
+            })
+            .detach_and_log_err(cx);
+        })
+        .log_err();
+
+        Ok(())
+    }
+
+    pub async fn connect(
         self: &Arc<Self>,
         try_provider: bool,
         cx: &AsyncApp,
     ) -> ConnectionResult<()> {
         let was_disconnected = match *self.status().borrow() {
-            Status::SignedOut => true,
+            Status::SignedOut | Status::Authenticated => true,
             Status::ConnectionError
             | Status::ConnectionLost
-            | Status::Authenticating { .. }
-            | Status::Reauthenticating { .. }
+            | Status::Authenticating
+            | Status::AuthenticationError
+            | Status::Reauthenticating
             | Status::ReconnectionError { .. } => false,
-            Status::Connected { .. } | Status::Connecting { .. } | Status::Reconnecting { .. } => {
+            Status::Connected { .. } | Status::Connecting | Status::Reconnecting => {
                 return ConnectionResult::Result(Ok(()));
             }
             Status::UpgradeRequired => {
@@ -906,41 +1045,10 @@ impl Client {
                 );
             }
         };
-        if was_disconnected {
-            self.set_status(Status::Authenticating, cx);
-        } else {
-            self.set_status(Status::Reauthenticating, cx)
-        }
-
-        let mut read_from_provider = false;
-        let mut credentials = self.state.read().credentials.clone();
-        if credentials.is_none() && try_provider {
-            credentials = self.credentials_provider.read_credentials(cx).await;
-            read_from_provider = credentials.is_some();
-        }
-
-        if credentials.is_none() {
-            let mut status_rx = self.status();
-            let _ = status_rx.next().await;
-            futures::select_biased! {
-                authenticate = self.authenticate(cx).fuse() => {
-                    match authenticate {
-                        Ok(creds) => credentials = Some(creds),
-                        Err(err) => {
-                            self.set_status(Status::ConnectionError, cx);
-                            return ConnectionResult::Result(Err(err));
-                        }
-                    }
-                }
-                _ = status_rx.next().fuse() => {
-                    return ConnectionResult::Result(Err(anyhow!("authentication canceled")));
-                }
-            }
-        }
-        let credentials = credentials.unwrap();
-        self.set_id(credentials.user_id);
-        self.cloud_client
-            .set_credentials(credentials.user_id as u32, credentials.access_token.clone());
+        let credentials = match self.sign_in(try_provider, cx).await {
+            Ok(credentials) => credentials,
+            Err(err) => return ConnectionResult::Result(Err(err)),
+        };
 
         if was_disconnected {
             self.set_status(Status::Connecting, cx);
@@ -948,17 +1056,20 @@ impl Client {
             self.set_status(Status::Reconnecting, cx);
         }
 
+        self.connect_with_credentials(credentials, cx).await
+    }
+
+    async fn connect_with_credentials(
+        self: &Arc<Self>,
+        credentials: Credentials,
+        cx: &AsyncApp,
+    ) -> ConnectionResult<()> {
         let mut timeout =
             futures::FutureExt::fuse(cx.background_executor().timer(CONNECTION_TIMEOUT));
         futures::select_biased! {
             connection = self.establish_connection(&credentials, cx).fuse() => {
                 match connection {
                     Ok(conn) => {
-                        self.state.write().credentials = Some(credentials.clone());
-                        if !read_from_provider && IMPERSONATE_LOGIN.is_none() {
-                            self.credentials_provider.write_credentials(credentials.user_id, credentials.access_token, cx).await.log_err();
-                        }
-
                         futures::select_biased! {
                             result = self.set_connection(conn, cx).fuse() => {
                                 match result.context("client auth and connect") {
@@ -976,15 +1087,8 @@ impl Client {
                         }
                     }
                     Err(EstablishConnectionError::Unauthorized) => {
-                        self.state.write().credentials.take();
-                        if read_from_provider {
-                            self.credentials_provider.delete_credentials(cx).await.log_err();
-                            self.set_status(Status::SignedOut, cx);
-                            self.authenticate_and_connect(false, cx).await
-                        } else {
-                            self.set_status(Status::ConnectionError, cx);
-                            ConnectionResult::Result(Err(EstablishConnectionError::Unauthorized).context("client auth and connect"))
-                        }
+                        self.set_status(Status::ConnectionError, cx);
+                        ConnectionResult::Result(Err(EstablishConnectionError::Unauthorized).context("client auth and connect"))
                     }
                     Err(EstablishConnectionError::UpgradeRequired) => {
                         self.set_status(Status::UpgradeRequired, cx);
@@ -1055,7 +1159,7 @@ impl Client {
             let this = self.clone();
             async move |cx| {
                 while let Some(message) = incoming.next().await {
-                    this.handle_message(message, &cx);
+                    this.handle_message(message, cx);
                     // Don't starve the main thread when receiving lots of messages at once.
                     smol::future::yield_now().await;
                 }
@@ -1073,12 +1177,12 @@ impl Client {
                             peer_id,
                         })
                     {
-                        this.set_status(Status::SignedOut, &cx);
+                        this.set_status(Status::SignedOut, cx);
                     }
                 }
                 Err(err) => {
                     log::error!("connection error: {:?}", err);
-                    this.set_status(Status::ConnectionLost, &cx);
+                    this.set_status(Status::ConnectionLost, cx);
                 }
             }
         })
@@ -1188,19 +1292,21 @@ impl Client {
                 "http" => Http,
                 _ => Err(anyhow!("invalid rpc url: {}", rpc_url))?,
             };
-            let rpc_host = rpc_url
-                .host_str()
-                .zip(rpc_url.port_or_known_default())
-                .context("missing host in rpc url")?;
 
-            let stream = {
-                let handle = cx.update(|cx| gpui_tokio::Tokio::handle(cx)).ok().unwrap();
-                let _guard = handle.enter();
-                match proxy {
-                    Some(proxy) => connect_proxy_stream(&proxy, rpc_host).await?,
-                    None => Box::new(TcpStream::connect(rpc_host).await?),
+            let stream = gpui_tokio::Tokio::spawn_result(cx, {
+                let rpc_url = rpc_url.clone();
+                async move {
+                    let rpc_host = rpc_url
+                        .host_str()
+                        .zip(rpc_url.port_or_known_default())
+                        .context("missing host in rpc url")?;
+                    Ok(match proxy {
+                        Some(proxy) => connect_proxy_stream(&proxy, rpc_host).await?,
+                        None => Box::new(TcpStream::connect(rpc_host).await?),
+                    })
                 }
-            };
+            })?
+            .await?;
 
             log::info!("connected to rpc endpoint {}", rpc_url);
 
@@ -1288,11 +1394,13 @@ impl Client {
                     if let Some((login, token)) =
                         IMPERSONATE_LOGIN.as_ref().zip(ADMIN_API_TOKEN.as_ref())
                     {
-                        eprintln!("authenticate as admin {login}, {token}");
+                        if !*USE_WEB_LOGIN {
+                            eprintln!("authenticate as admin {login}, {token}");
 
-                        return this
-                            .authenticate_as_admin(http, login.clone(), token.clone())
-                            .await;
+                            return this
+                                .authenticate_as_admin(http, login.clone(), token.clone())
+                                .await;
+                        }
                     }
 
                     // Start an HTTP server to receive the redirect from Zed's sign-in page.
@@ -1314,6 +1422,12 @@ impl Client {
 
                     open_url_tx.send(url).log_err();
 
+                    #[derive(Deserialize)]
+                    struct CallbackParams {
+                        pub user_id: String,
+                        pub access_token: String,
+                    }
+
                     // Receive the HTTP request from the user's browser. Retrieve the user id and encrypted
                     // access token from the query params.
                     //
@@ -1324,17 +1438,13 @@ impl Client {
                             for _ in 0..100 {
                                 if let Some(req) = server.recv_timeout(Duration::from_secs(1))? {
                                     let path = req.url();
-                                    let mut user_id = None;
-                                    let mut access_token = None;
                                     let url = Url::parse(&format!("http://example.com{}", path))
                                         .context("failed to parse login notification url")?;
-                                    for (key, value) in url.query_pairs() {
-                                        if key == "access_token" {
-                                            access_token = Some(value.to_string());
-                                        } else if key == "user_id" {
-                                            user_id = Some(value.to_string());
-                                        }
-                                    }
+                                    let callback_params: CallbackParams =
+                                        serde_urlencoded::from_str(url.query().unwrap_or_default())
+                                            .context(
+                                                "failed to parse sign-in callback query parameters",
+                                            )?;
 
                                     let post_auth_url =
                                         http.build_url("/native_app_signin_succeeded");
@@ -1349,8 +1459,8 @@ impl Client {
                                     )
                                     .context("failed to respond to login http request")?;
                                     return Ok((
-                                        user_id.context("missing user_id parameter")?,
-                                        access_token.context("missing access_token parameter")?,
+                                        callback_params.user_id,
+                                        callback_params.access_token,
                                     ));
                                 }
                             }
@@ -1379,96 +1489,31 @@ impl Client {
         self: &Arc<Self>,
         http: Arc<HttpClientWithUrl>,
         login: String,
-        mut api_token: String,
+        api_token: String,
     ) -> Result<Credentials> {
-        #[derive(Deserialize)]
-        struct AuthenticatedUserResponse {
-            user: User,
+        #[derive(Serialize)]
+        struct ImpersonateUserBody {
+            github_login: String,
         }
 
         #[derive(Deserialize)]
-        struct User {
-            id: u64,
+        struct ImpersonateUserResponse {
+            user_id: u64,
+            access_token: String,
         }
 
-        let github_user = {
-            #[derive(Deserialize)]
-            struct GithubUser {
-                id: i32,
-                login: String,
-                created_at: DateTime<Utc>,
-            }
-
-            let request = {
-                let mut request_builder =
-                    Request::get(&format!("https://api.github.com/users/{login}"));
-                if let Ok(github_token) = std::env::var("GITHUB_TOKEN") {
-                    request_builder =
-                        request_builder.header("Authorization", format!("Bearer {}", github_token));
-                }
-
-                request_builder.body(AsyncBody::empty())?
-            };
-
-            let mut response = http
-                .send(request)
-                .await
-                .context("error fetching GitHub user")?;
-
-            let mut body = Vec::new();
-            response
-                .body_mut()
-                .read_to_end(&mut body)
-                .await
-                .context("error reading GitHub user")?;
-
-            if !response.status().is_success() {
-                let text = String::from_utf8_lossy(body.as_slice());
-                bail!(
-                    "status error {}, response: {text:?}",
-                    response.status().as_u16()
-                );
-            }
-
-            serde_json::from_slice::<GithubUser>(body.as_slice()).map_err(|err| {
-                log::error!("Error deserializing: {:?}", err);
-                log::error!(
-                    "GitHub API response text: {:?}",
-                    String::from_utf8_lossy(body.as_slice())
-                );
-                anyhow!("error deserializing GitHub user")
-            })?
-        };
-
-        let query_params = [
-            ("github_login", &github_user.login),
-            ("github_user_id", &github_user.id.to_string()),
-            (
-                "github_user_created_at",
-                &github_user.created_at.to_rfc3339(),
-            ),
-        ];
-
-        // Use the collab server's admin API to retrieve the ID
-        // of the impersonated user.
-        let mut url = self.rpc_url(http.clone(), None).await?;
-        url.set_path("/user");
-        url.set_query(Some(
-            &query_params
-                .iter()
-                .map(|(key, value)| {
-                    format!(
-                        "{}={}",
-                        key,
-                        url::form_urlencoded::byte_serialize(value.as_bytes()).collect::<String>()
-                    )
-                })
-                .collect::<Vec<String>>()
-                .join("&"),
-        ));
-        let request: http_client::Request<AsyncBody> = Request::get(url.as_str())
-            .header("Authorization", format!("token {api_token}"))
-            .body("".into())?;
+        let url = self
+            .http
+            .build_zed_cloud_url("/internal/users/impersonate", &[])?;
+        let request = Request::post(url.as_str())
+            .header("Content-Type", "application/json")
+            .header("Authorization", format!("Bearer {api_token}"))
+            .body(
+                serde_json::to_string(&ImpersonateUserBody {
+                    github_login: login,
+                })?
+                .into(),
+            )?;
 
         let mut response = http.send(request).await?;
         let mut body = String::new();
@@ -1479,13 +1524,11 @@ impl Client {
             response.status().as_u16(),
             body,
         );
-        let response: AuthenticatedUserResponse = serde_json::from_str(&body)?;
+        let response: ImpersonateUserResponse = serde_json::from_str(&body)?;
 
-        // Use the admin API token to authenticate as the impersonated user.
-        api_token.insert_str(0, "ADMIN_TOKEN:");
         Ok(Credentials {
-            user_id: response.user.id,
-            access_token: api_token,
+            user_id: response.user_id,
+            access_token: response.access_token,
         })
     }
 
@@ -1653,6 +1696,24 @@ impl Client {
         }
     }
 
+    pub fn add_message_to_client_handler(
+        self: &Arc<Client>,
+        handler: impl Fn(&MessageToClient, &mut App) + Send + Sync + 'static,
+    ) {
+        self.message_to_client_handlers
+            .lock()
+            .push(Box::new(handler));
+    }
+
+    fn handle_message_to_client(self: &Arc<Client>, message: MessageToClient, cx: &AsyncApp) {
+        cx.update(|cx| {
+            for handler in self.message_to_client_handlers.lock().iter() {
+                handler(&message, cx);
+            }
+        })
+        .ok();
+    }
+
     pub fn telemetry(&self) -> &Arc<Telemetry> {
         &self.telemetry
     }
@@ -1720,7 +1781,7 @@ pub fn parse_zed_link<'a>(link: &'a str, cx: &App) -> Option<&'a str> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::test::FakeServer;
+    use crate::test::{FakeServer, parse_authorization_header};
 
     use clock::FakeSystemClock;
     use gpui::{AppContext as _, BackgroundExecutor, TestAppContext};
@@ -1771,6 +1832,46 @@ mod tests {
         assert_eq!(server.auth_count(), 2); // Client re-authenticated due to an invalid token
     }
 
+    #[gpui::test(iterations = 10)]
+    async fn test_auth_failure_during_reconnection(cx: &mut TestAppContext) {
+        init_test(cx);
+        let http_client = FakeHttpClient::with_200_response();
+        let client =
+            cx.update(|cx| Client::new(Arc::new(FakeSystemClock::new()), http_client.clone(), cx));
+        let server = FakeServer::for_client(42, &client, cx).await;
+        let mut status = client.status();
+        assert!(matches!(
+            status.next().await,
+            Some(Status::Connected { .. })
+        ));
+        assert_eq!(server.auth_count(), 1);
+
+        // Simulate an auth failure during reconnection.
+        http_client
+            .as_fake()
+            .replace_handler(|_, _request| async move {
+                Ok(http_client::Response::builder()
+                    .status(503)
+                    .body("".into())
+                    .unwrap())
+            });
+        server.disconnect();
+        while !matches!(status.next().await, Some(Status::ReconnectionError { .. })) {}
+
+        // Restore the ability to authenticate.
+        http_client
+            .as_fake()
+            .replace_handler(|_, _request| async move {
+                Ok(http_client::Response::builder()
+                    .status(200)
+                    .body("".into())
+                    .unwrap())
+            });
+        cx.executor().advance_clock(Duration::from_secs(10));
+        while !matches!(status.next().await, Some(Status::Connected { .. })) {}
+        assert_eq!(server.auth_count(), 1); // Client reused the cached credentials when reconnecting
+    }
+
     #[gpui::test(iterations = 10)]
     async fn test_connection_timeout(executor: BackgroundExecutor, cx: &mut TestAppContext) {
         init_test(cx);
@@ -1801,16 +1902,13 @@ mod tests {
         });
         let auth_and_connect = cx.spawn({
             let client = client.clone();
-            |cx| async move { client.authenticate_and_connect(false, &cx).await }
+            |cx| async move { client.connect(false, &cx).await }
         });
         executor.run_until_parked();
         assert!(matches!(status.next().await, Some(Status::Connecting)));
 
         executor.advance_clock(CONNECTION_TIMEOUT);
-        assert!(matches!(
-            status.next().await,
-            Some(Status::ConnectionError { .. })
-        ));
+        assert!(matches!(status.next().await, Some(Status::ConnectionError)));
         auth_and_connect.await.into_response().unwrap_err();
 
         // Allow the connection to be established.
@@ -1834,10 +1932,7 @@ mod tests {
             })
         });
         executor.advance_clock(2 * INITIAL_RECONNECTION_DELAY);
-        assert!(matches!(
-            status.next().await,
-            Some(Status::Reconnecting { .. })
-        ));
+        assert!(matches!(status.next().await, Some(Status::Reconnecting)));
 
         executor.advance_clock(CONNECTION_TIMEOUT);
         assert!(matches!(
@@ -1846,6 +1941,75 @@ mod tests {
         ));
     }
 
+    #[gpui::test(iterations = 10)]
+    async fn test_reauthenticate_only_if_unauthorized(cx: &mut TestAppContext) {
+        init_test(cx);
+        let auth_count = Arc::new(Mutex::new(0));
+        let http_client = FakeHttpClient::create(|_request| async move {
+            Ok(http_client::Response::builder()
+                .status(200)
+                .body("".into())
+                .unwrap())
+        });
+        let client =
+            cx.update(|cx| Client::new(Arc::new(FakeSystemClock::new()), http_client.clone(), cx));
+        client.override_authenticate({
+            let auth_count = auth_count.clone();
+            move |cx| {
+                let auth_count = auth_count.clone();
+                cx.background_spawn(async move {
+                    *auth_count.lock() += 1;
+                    Ok(Credentials {
+                        user_id: 1,
+                        access_token: auth_count.lock().to_string(),
+                    })
+                })
+            }
+        });
+
+        let credentials = client.sign_in(false, &cx.to_async()).await.unwrap();
+        assert_eq!(*auth_count.lock(), 1);
+        assert_eq!(credentials.access_token, "1");
+
+        // If credentials are still valid, signing in doesn't trigger authentication.
+        let credentials = client.sign_in(false, &cx.to_async()).await.unwrap();
+        assert_eq!(*auth_count.lock(), 1);
+        assert_eq!(credentials.access_token, "1");
+
+        // If the server is unavailable, signing in doesn't trigger authentication.
+        http_client
+            .as_fake()
+            .replace_handler(|_, _request| async move {
+                Ok(http_client::Response::builder()
+                    .status(503)
+                    .body("".into())
+                    .unwrap())
+            });
+        client.sign_in(false, &cx.to_async()).await.unwrap_err();
+        assert_eq!(*auth_count.lock(), 1);
+
+        // If credentials became invalid, signing in triggers authentication.
+        http_client
+            .as_fake()
+            .replace_handler(|_, request| async move {
+                let credentials = parse_authorization_header(&request).unwrap();
+                if credentials.access_token == "2" {
+                    Ok(http_client::Response::builder()
+                        .status(200)
+                        .body("".into())
+                        .unwrap())
+                } else {
+                    Ok(http_client::Response::builder()
+                        .status(401)
+                        .body("".into())
+                        .unwrap())
+                }
+            });
+        let credentials = client.sign_in(false, &cx.to_async()).await.unwrap();
+        assert_eq!(*auth_count.lock(), 2);
+        assert_eq!(credentials.access_token, "2");
+    }
+
     #[gpui::test(iterations = 10)]
     async fn test_authenticating_more_than_once(
         cx: &mut TestAppContext,
@@ -1878,16 +2042,13 @@ mod tests {
 
         let _authenticate = cx.spawn({
             let client = client.clone();
-            move |cx| async move { client.authenticate_and_connect(false, &cx).await }
+            move |cx| async move { client.connect(false, &cx).await }
         });
         executor.run_until_parked();
         assert_eq!(*auth_count.lock(), 1);
         assert_eq!(*dropped_auth_count.lock(), 0);
 
-        let _authenticate = cx.spawn({
-            let client = client.clone();
-            |cx| async move { client.authenticate_and_connect(false, &cx).await }
-        });
+        let _authenticate = cx.spawn(|cx| async move { client.connect(false, &cx).await });
         executor.run_until_parked();
         assert_eq!(*auth_count.lock(), 2);
         assert_eq!(*dropped_auth_count.lock(), 1);
@@ -1909,8 +2070,8 @@ mod tests {
         let (done_tx1, done_rx1) = smol::channel::unbounded();
         let (done_tx2, done_rx2) = smol::channel::unbounded();
         AnyProtoClient::from(client.clone()).add_entity_message_handler(
-            move |entity: Entity<TestEntity>, _: TypedEnvelope<proto::JoinProject>, mut cx| {
-                match entity.read_with(&mut cx, |entity, _| entity.id).unwrap() {
+            move |entity: Entity<TestEntity>, _: TypedEnvelope<proto::JoinProject>, cx| {
+                match entity.read_with(&cx, |entity, _| entity.id).unwrap() {
                     1 => done_tx1.try_send(()).unwrap(),
                     2 => done_tx2.try_send(()).unwrap(),
                     _ => unreachable!(),
@@ -1934,17 +2095,17 @@ mod tests {
         let _subscription1 = client
             .subscribe_to_entity(1)
             .unwrap()
-            .set_entity(&entity1, &mut cx.to_async());
+            .set_entity(&entity1, &cx.to_async());
         let _subscription2 = client
             .subscribe_to_entity(2)
             .unwrap()
-            .set_entity(&entity2, &mut cx.to_async());
+            .set_entity(&entity2, &cx.to_async());
         // Ensure dropping a subscription for the same entity type still allows receiving of
         // messages for other entity IDs of the same type.
         let subscription3 = client
             .subscribe_to_entity(3)
             .unwrap()
-            .set_entity(&entity3, &mut cx.to_async());
+            .set_entity(&entity3, &cx.to_async());
         drop(subscription3);
 
         server.send(proto::JoinProject {
diff --git a/crates/client/src/cloud.rs b/crates/client/src/cloud.rs
deleted file mode 100644
index 39c9d04887..0000000000
--- a/crates/client/src/cloud.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-mod user_store;
-
-pub use user_store::*;
diff --git a/crates/client/src/cloud/user_store.rs b/crates/client/src/cloud/user_store.rs
deleted file mode 100644
index a9b13ca23c..0000000000
--- a/crates/client/src/cloud/user_store.rs
+++ /dev/null
@@ -1,140 +0,0 @@
-use std::sync::Arc;
-use std::time::Duration;
-
-use anyhow::Context as _;
-use chrono::{DateTime, Utc};
-use cloud_api_client::{AuthenticatedUser, CloudApiClient, GetAuthenticatedUserResponse, PlanInfo};
-use cloud_llm_client::Plan;
-use gpui::{Context, Entity, Subscription, Task};
-use util::{ResultExt as _, maybe};
-
-use crate::UserStore;
-use crate::user::Event as RpcUserStoreEvent;
-
-pub struct CloudUserStore {
-    cloud_client: Arc<CloudApiClient>,
-    authenticated_user: Option<Arc<AuthenticatedUser>>,
-    plan_info: Option<Arc<PlanInfo>>,
-    _maintain_authenticated_user_task: Task<()>,
-    _rpc_plan_updated_subscription: Subscription,
-}
-
-impl CloudUserStore {
-    pub fn new(
-        cloud_client: Arc<CloudApiClient>,
-        rpc_user_store: Entity<UserStore>,
-        cx: &mut Context<Self>,
-    ) -> Self {
-        let rpc_plan_updated_subscription =
-            cx.subscribe(&rpc_user_store, Self::handle_rpc_user_store_event);
-
-        Self {
-            cloud_client: cloud_client.clone(),
-            authenticated_user: None,
-            plan_info: None,
-            _maintain_authenticated_user_task: cx.spawn(async move |this, cx| {
-                maybe!(async move {
-                    loop {
-                        let Some(this) = this.upgrade() else {
-                            return anyhow::Ok(());
-                        };
-
-                        if cloud_client.has_credentials() {
-                            let already_fetched_authenticated_user = this
-                                .read_with(cx, |this, _cx| this.authenticated_user().is_some())
-                                .unwrap_or(false);
-
-                            if already_fetched_authenticated_user {
-                                // We already fetched the authenticated user; nothing to do.
-                            } else {
-                                let authenticated_user_result = cloud_client
-                                    .get_authenticated_user()
-                                    .await
-                                    .context("failed to fetch authenticated user");
-                                if let Some(response) = authenticated_user_result.log_err() {
-                                    this.update(cx, |this, _cx| {
-                                        this.update_authenticated_user(response);
-                                    })
-                                    .ok();
-                                }
-                            }
-                        } else {
-                            this.update(cx, |this, _cx| {
-                                this.authenticated_user.take();
-                                this.plan_info.take();
-                            })
-                            .ok();
-                        }
-
-                        cx.background_executor()
-                            .timer(Duration::from_millis(100))
-                            .await;
-                    }
-                })
-                .await
-                .log_err();
-            }),
-            _rpc_plan_updated_subscription: rpc_plan_updated_subscription,
-        }
-    }
-
-    pub fn is_authenticated(&self) -> bool {
-        self.authenticated_user.is_some()
-    }
-
-    pub fn authenticated_user(&self) -> Option<Arc<AuthenticatedUser>> {
-        self.authenticated_user.clone()
-    }
-
-    pub fn plan(&self) -> Option<Plan> {
-        self.plan_info.as_ref().map(|plan| plan.plan)
-    }
-
-    pub fn subscription_period(&self) -> Option<(DateTime<Utc>, DateTime<Utc>)> {
-        self.plan_info
-            .as_ref()
-            .and_then(|plan| plan.subscription_period)
-            .map(|subscription_period| {
-                (
-                    subscription_period.started_at.0,
-                    subscription_period.ended_at.0,
-                )
-            })
-    }
-
-    fn update_authenticated_user(&mut self, response: GetAuthenticatedUserResponse) {
-        self.authenticated_user = Some(Arc::new(response.user));
-        self.plan_info = Some(Arc::new(response.plan));
-    }
-
-    fn handle_rpc_user_store_event(
-        &mut self,
-        _: Entity<UserStore>,
-        event: &RpcUserStoreEvent,
-        cx: &mut Context<Self>,
-    ) {
-        match event {
-            RpcUserStoreEvent::PlanUpdated => {
-                cx.spawn(async move |this, cx| {
-                    let cloud_client =
-                        cx.update(|cx| this.read_with(cx, |this, _cx| this.cloud_client.clone()))??;
-
-                    let response = cloud_client
-                        .get_authenticated_user()
-                        .await
-                        .context("failed to fetch authenticated user")?;
-
-                    cx.update(|cx| {
-                        this.update(cx, |this, _cx| {
-                            this.update_authenticated_user(response);
-                        })
-                    })??;
-
-                    anyhow::Ok(())
-                })
-                .detach_and_log_err(cx);
-            }
-            _ => {}
-        }
-    }
-}
diff --git a/crates/client/src/telemetry.rs b/crates/client/src/telemetry.rs
index 7d39464e4a..a5c1532c75 100644
--- a/crates/client/src/telemetry.rs
+++ b/crates/client/src/telemetry.rs
@@ -74,6 +74,12 @@ static ZED_CLIENT_CHECKSUM_SEED: LazyLock<Option<Vec<u8>>> = LazyLock::new(|| {
         })
 });
 
+pub static MINIDUMP_ENDPOINT: LazyLock<Option<String>> = LazyLock::new(|| {
+    option_env!("ZED_MINIDUMP_ENDPOINT")
+        .map(str::to_string)
+        .or_else(|| env::var("ZED_MINIDUMP_ENDPOINT").ok())
+});
+
 static DOTNET_PROJECT_FILES_REGEX: LazyLock<Regex> = LazyLock::new(|| {
     Regex::new(r"^(global\.json|Directory\.Build\.props|.*\.(csproj|fsproj|vbproj|sln))$").unwrap()
 });
@@ -334,22 +340,35 @@ impl Telemetry {
     }
 
     pub fn log_edit_event(self: &Arc<Self>, environment: &'static str, is_via_ssh: bool) {
+        static LAST_EVENT_TIME: Mutex<Option<Instant>> = Mutex::new(None);
+
         let mut state = self.state.lock();
         let period_data = state.event_coalescer.log_event(environment);
         drop(state);
 
-        if let Some((start, end, environment)) = period_data {
-            let duration = end
-                .saturating_duration_since(start)
-                .min(Duration::from_secs(60 * 60 * 24))
-                .as_millis() as i64;
+        if let Some(mut last_event) = LAST_EVENT_TIME.try_lock() {
+            let current_time = std::time::Instant::now();
+            let last_time = last_event.get_or_insert(current_time);
 
-            telemetry::event!(
-                "Editor Edited",
-                duration = duration,
-                environment = environment,
-                is_via_ssh = is_via_ssh
-            );
+            if current_time.duration_since(*last_time) > Duration::from_secs(60 * 10) {
+                *last_time = current_time;
+            } else {
+                return;
+            }
+
+            if let Some((start, end, environment)) = period_data {
+                let duration = end
+                    .saturating_duration_since(start)
+                    .min(Duration::from_secs(60 * 60 * 24))
+                    .as_millis() as i64;
+
+                telemetry::event!(
+                    "Editor Edited",
+                    duration = duration,
+                    environment = environment,
+                    is_via_ssh = is_via_ssh
+                );
+            }
         }
     }
 
@@ -720,7 +739,7 @@ mod tests {
         );
 
         // Third scan of worktree does not double report, as we already reported
-        test_project_discovery_helper(telemetry.clone(), vec!["package.json"], None, worktree_id);
+        test_project_discovery_helper(telemetry, vec!["package.json"], None, worktree_id);
     }
 
     #[gpui::test]
@@ -732,7 +751,7 @@ mod tests {
         let telemetry = cx.update(|cx| Telemetry::new(clock.clone(), http, cx));
 
         test_project_discovery_helper(
-            telemetry.clone(),
+            telemetry,
             vec!["package.json", "pnpm-lock.yaml"],
             Some(vec!["node", "pnpm"]),
             1,
@@ -748,7 +767,7 @@ mod tests {
         let telemetry = cx.update(|cx| Telemetry::new(clock.clone(), http, cx));
 
         test_project_discovery_helper(
-            telemetry.clone(),
+            telemetry,
             vec!["package.json", "yarn.lock"],
             Some(vec!["node", "yarn"]),
             1,
@@ -767,7 +786,7 @@ mod tests {
         // project type for the same worktree multiple times
 
         test_project_discovery_helper(
-            telemetry.clone().clone(),
+            telemetry.clone(),
             vec!["global.json"],
             Some(vec!["dotnet"]),
             1,
diff --git a/crates/client/src/test.rs b/crates/client/src/test.rs
index 6ce79fa9c5..3c451fcb01 100644
--- a/crates/client/src/test.rs
+++ b/crates/client/src/test.rs
@@ -1,13 +1,12 @@
 use crate::{Client, Connection, Credentials, EstablishConnectionError, UserStore};
 use anyhow::{Context as _, Result, anyhow};
-use chrono::Duration;
+use cloud_api_client::{AuthenticatedUser, GetAuthenticatedUserResponse, PlanInfo};
+use cloud_llm_client::{CurrentUsage, Plan, UsageData, UsageLimit};
 use futures::{StreamExt, stream::BoxStream};
 use gpui::{AppContext as _, BackgroundExecutor, Entity, TestAppContext};
+use http_client::{AsyncBody, Method, Request, http};
 use parking_lot::Mutex;
-use rpc::{
-    ConnectionId, Peer, Receipt, TypedEnvelope,
-    proto::{self, GetPrivateUserInfo, GetPrivateUserInfoResponse},
-};
+use rpc::{ConnectionId, Peer, Receipt, TypedEnvelope, proto};
 use std::sync::Arc;
 
 pub struct FakeServer {
@@ -39,6 +38,44 @@ impl FakeServer {
             executor: cx.executor(),
         };
 
+        client.http_client().as_fake().replace_handler({
+            let state = server.state.clone();
+            move |old_handler, req| {
+                let state = state.clone();
+                let old_handler = old_handler.clone();
+                async move {
+                    match (req.method(), req.uri().path()) {
+                        (&Method::GET, "/client/users/me") => {
+                            let credentials = parse_authorization_header(&req);
+                            if credentials
+                                != Some(Credentials {
+                                    user_id: client_user_id,
+                                    access_token: state.lock().access_token.to_string(),
+                                })
+                            {
+                                return Ok(http_client::Response::builder()
+                                    .status(401)
+                                    .body("Unauthorized".into())
+                                    .unwrap());
+                            }
+
+                            Ok(http_client::Response::builder()
+                                .status(200)
+                                .body(
+                                    serde_json::to_string(&make_get_authenticated_user_response(
+                                        client_user_id as i32,
+                                        format!("user-{client_user_id}"),
+                                    ))
+                                    .unwrap()
+                                    .into(),
+                                )
+                                .unwrap())
+                        }
+                        _ => old_handler(req).await,
+                    }
+                }
+            }
+        });
         client
             .override_authenticate({
                 let state = Arc::downgrade(&server.state);
@@ -105,7 +142,7 @@ impl FakeServer {
             });
 
         client
-            .authenticate_and_connect(false, &cx.to_async())
+            .connect(false, &cx.to_async())
             .await
             .into_response()
             .unwrap();
@@ -146,50 +183,27 @@ impl FakeServer {
     pub async fn receive<M: proto::EnvelopedMessage>(&self) -> Result<TypedEnvelope<M>> {
         self.executor.start_waiting();
 
-        loop {
-            let message = self
-                .state
-                .lock()
-                .incoming
-                .as_mut()
-                .expect("not connected")
-                .next()
-                .await
-                .context("other half hung up")?;
-            self.executor.finish_waiting();
-            let type_name = message.payload_type_name();
-            let message = message.into_any();
+        let message = self
+            .state
+            .lock()
+            .incoming
+            .as_mut()
+            .expect("not connected")
+            .next()
+            .await
+            .context("other half hung up")?;
+        self.executor.finish_waiting();
+        let type_name = message.payload_type_name();
+        let message = message.into_any();
 
-            if message.is::<TypedEnvelope<M>>() {
-                return Ok(*message.downcast().unwrap());
-            }
-
-            let accepted_tos_at = chrono::Utc::now()
-                .checked_sub_signed(Duration::hours(5))
-                .expect("failed to build accepted_tos_at")
-                .timestamp() as u64;
-
-            if message.is::<TypedEnvelope<GetPrivateUserInfo>>() {
-                self.respond(
-                    message
-                        .downcast::<TypedEnvelope<GetPrivateUserInfo>>()
-                        .unwrap()
-                        .receipt(),
-                    GetPrivateUserInfoResponse {
-                        metrics_id: "the-metrics-id".into(),
-                        staff: false,
-                        flags: Default::default(),
-                        accepted_tos_at: Some(accepted_tos_at),
-                    },
-                );
-                continue;
-            }
-
-            panic!(
-                "fake server received unexpected message type: {:?}",
-                type_name
-            );
+        if message.is::<TypedEnvelope<M>>() {
+            return Ok(*message.downcast().unwrap());
         }
+
+        panic!(
+            "fake server received unexpected message type: {:?}",
+            type_name
+        );
     }
 
     pub fn respond<T: proto::RequestMessage>(&self, receipt: Receipt<T>, response: T::Response) {
@@ -223,3 +237,54 @@ impl Drop for FakeServer {
         self.disconnect();
     }
 }
+
+pub fn parse_authorization_header(req: &Request<AsyncBody>) -> Option<Credentials> {
+    let mut auth_header = req
+        .headers()
+        .get(http::header::AUTHORIZATION)?
+        .to_str()
+        .ok()?
+        .split_whitespace();
+    let user_id = auth_header.next()?.parse().ok()?;
+    let access_token = auth_header.next()?;
+    Some(Credentials {
+        user_id,
+        access_token: access_token.to_string(),
+    })
+}
+
+pub fn make_get_authenticated_user_response(
+    user_id: i32,
+    github_login: String,
+) -> GetAuthenticatedUserResponse {
+    GetAuthenticatedUserResponse {
+        user: AuthenticatedUser {
+            id: user_id,
+            metrics_id: format!("metrics-id-{user_id}"),
+            avatar_url: "".to_string(),
+            github_login,
+            name: None,
+            is_staff: false,
+            accepted_tos_at: None,
+        },
+        feature_flags: vec![],
+        plan: PlanInfo {
+            plan: Plan::ZedPro,
+            subscription_period: None,
+            usage: CurrentUsage {
+                model_requests: UsageData {
+                    used: 0,
+                    limit: UsageLimit::Limited(500),
+                },
+                edit_predictions: UsageData {
+                    used: 250,
+                    limit: UsageLimit::Unlimited,
+                },
+            },
+            trial_started_at: None,
+            is_usage_based_billing_enabled: false,
+            is_account_too_young: false,
+            has_overdue_invoices: false,
+        },
+    }
+}
diff --git a/crates/client/src/user.rs b/crates/client/src/user.rs
index 97fb959171..d23eb37519 100644
--- a/crates/client/src/user.rs
+++ b/crates/client/src/user.rs
@@ -1,6 +1,8 @@
 use super::{Client, Status, TypedEnvelope, proto};
-use anyhow::{Context as _, Result, anyhow};
+use anyhow::{Context as _, Result};
 use chrono::{DateTime, Utc};
+use cloud_api_client::websocket_protocol::MessageToClient;
+use cloud_api_client::{GetAuthenticatedUserResponse, PlanInfo};
 use cloud_llm_client::{
     EDIT_PREDICTIONS_USAGE_AMOUNT_HEADER_NAME, EDIT_PREDICTIONS_USAGE_LIMIT_HEADER_NAME,
     MODEL_REQUESTS_USAGE_AMOUNT_HEADER_NAME, MODEL_REQUESTS_USAGE_LIMIT_HEADER_NAME, UsageLimit,
@@ -20,7 +22,7 @@ use std::{
     sync::{Arc, Weak},
 };
 use text::ReplicaId;
-use util::{TryFutureExt as _, maybe};
+use util::{ResultExt, TryFutureExt as _};
 
 pub type UserId = u64;
 
@@ -39,16 +41,11 @@ impl std::fmt::Display for ChannelId {
 pub struct ProjectId(pub u64);
 
 impl ProjectId {
-    pub fn to_proto(&self) -> u64 {
+    pub fn to_proto(self) -> u64 {
         self.0
     }
 }
 
-#[derive(
-    Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, serde::Serialize, serde::Deserialize,
-)]
-pub struct DevServerProjectId(pub u64);
-
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub struct ParticipantIndex(pub u32);
 
@@ -110,16 +107,10 @@ pub struct UserStore {
     by_github_login: HashMap<SharedString, u64>,
     participant_indices: HashMap<u64, ParticipantIndex>,
     update_contacts_tx: mpsc::UnboundedSender<UpdateContacts>,
-    current_plan: Option<proto::Plan>,
-    subscription_period: Option<(DateTime<Utc>, DateTime<Utc>)>,
-    trial_started_at: Option<DateTime<Utc>>,
     model_request_usage: Option<ModelRequestUsage>,
     edit_prediction_usage: Option<EditPredictionUsage>,
-    is_usage_based_billing_enabled: Option<bool>,
-    account_too_young: Option<bool>,
-    has_overdue_invoices: Option<bool>,
+    plan_info: Option<PlanInfo>,
     current_user: watch::Receiver<Option<Arc<User>>>,
-    accepted_tos_at: Option<Option<DateTime<Utc>>>,
     contacts: Vec<Arc<Contact>>,
     incoming_contact_requests: Vec<Arc<User>>,
     outgoing_contact_requests: Vec<Arc<User>>,
@@ -180,24 +171,23 @@ impl UserStore {
         let (mut current_user_tx, current_user_rx) = watch::channel();
         let (update_contacts_tx, mut update_contacts_rx) = mpsc::unbounded();
         let rpc_subscriptions = vec![
-            client.add_message_handler(cx.weak_entity(), Self::handle_update_plan),
             client.add_message_handler(cx.weak_entity(), Self::handle_update_contacts),
             client.add_message_handler(cx.weak_entity(), Self::handle_update_invite_info),
             client.add_message_handler(cx.weak_entity(), Self::handle_show_contacts),
         ];
+
+        client.add_message_to_client_handler({
+            let this = cx.weak_entity();
+            move |message, cx| Self::handle_message_to_client(this.clone(), message, cx)
+        });
+
         Self {
             users: Default::default(),
             by_github_login: Default::default(),
             current_user: current_user_rx,
-            current_plan: None,
-            subscription_period: None,
-            trial_started_at: None,
+            plan_info: None,
             model_request_usage: None,
             edit_prediction_usage: None,
-            is_usage_based_billing_enabled: None,
-            account_too_young: None,
-            has_overdue_invoices: None,
-            accepted_tos_at: None,
             contacts: Default::default(),
             incoming_contact_requests: Default::default(),
             participant_indices: Default::default(),
@@ -226,61 +216,54 @@ impl UserStore {
                         return Ok(());
                     };
                     match status {
-                        Status::Connected { .. } => {
+                        Status::Authenticated | Status::Connected { .. } => {
                             if let Some(user_id) = client.user_id() {
-                                let fetch_user = if let Ok(fetch_user) =
-                                    this.update(cx, |this, cx| this.get_user(user_id, cx).log_err())
-                                {
-                                    fetch_user
+                                let response = client
+                                    .cloud_client()
+                                    .get_authenticated_user()
+                                    .await
+                                    .log_err();
+
+                                let current_user_and_response = if let Some(response) = response {
+                                    let user = Arc::new(User {
+                                        id: user_id,
+                                        github_login: response.user.github_login.clone().into(),
+                                        avatar_uri: response.user.avatar_url.clone().into(),
+                                        name: response.user.name.clone(),
+                                    });
+
+                                    Some((user, response))
                                 } else {
-                                    break;
+                                    None
                                 };
-                                let fetch_private_user_info =
-                                    client.request(proto::GetPrivateUserInfo {}).log_err();
-                                let (user, info) =
-                                    futures::join!(fetch_user, fetch_private_user_info);
+                                current_user_tx
+                                    .send(
+                                        current_user_and_response
+                                            .as_ref()
+                                            .map(|(user, _)| user.clone()),
+                                    )
+                                    .await
+                                    .ok();
 
                                 cx.update(|cx| {
-                                    if let Some(info) = info {
-                                        let staff =
-                                            info.staff && !*feature_flags::ZED_DISABLE_STAFF;
-                                        cx.update_flags(staff, info.flags);
-                                        client.telemetry.set_authenticated_user_info(
-                                            Some(info.metrics_id.clone()),
-                                            staff,
-                                        );
-
+                                    if let Some((user, response)) = current_user_and_response {
                                         this.update(cx, |this, cx| {
-                                            let accepted_tos_at = {
-                                                #[cfg(debug_assertions)]
-                                                if std::env::var("ZED_IGNORE_ACCEPTED_TOS").is_ok()
-                                                {
-                                                    None
-                                                } else {
-                                                    info.accepted_tos_at
-                                                }
-
-                                                #[cfg(not(debug_assertions))]
-                                                info.accepted_tos_at
-                                            };
-
-                                            this.set_current_user_accepted_tos_at(accepted_tos_at);
-                                            cx.emit(Event::PrivateUserInfoUpdated);
+                                            this.by_github_login
+                                                .insert(user.github_login.clone(), user_id);
+                                            this.users.insert(user_id, user);
+                                            this.update_authenticated_user(response, cx)
                                         })
                                     } else {
                                         anyhow::Ok(())
                                     }
                                 })??;
 
-                                current_user_tx.send(user).await.ok();
-
                                 this.update(cx, |_, cx| cx.notify())?;
                             }
                         }
                         Status::SignedOut => {
                             current_user_tx.send(None).await.ok();
                             this.update(cx, |this, cx| {
-                                this.accepted_tos_at = None;
                                 cx.emit(Event::PrivateUserInfoUpdated);
                                 cx.notify();
                                 this.clear_contacts()
@@ -341,9 +324,9 @@ impl UserStore {
     async fn handle_update_contacts(
         this: Entity<Self>,
         message: TypedEnvelope<proto::UpdateContacts>,
-        mut cx: AsyncApp,
+        cx: AsyncApp,
     ) -> Result<()> {
-        this.read_with(&mut cx, |this, _| {
+        this.read_with(&cx, |this, _| {
             this.update_contacts_tx
                 .unbounded_send(UpdateContacts::Update(message.payload))
                 .unwrap();
@@ -351,64 +334,6 @@ impl UserStore {
         Ok(())
     }
 
-    async fn handle_update_plan(
-        this: Entity<Self>,
-        message: TypedEnvelope<proto::UpdateUserPlan>,
-        mut cx: AsyncApp,
-    ) -> Result<()> {
-        this.update(&mut cx, |this, cx| {
-            this.current_plan = Some(message.payload.plan());
-            this.subscription_period = maybe!({
-                let period = message.payload.subscription_period?;
-                let started_at = DateTime::from_timestamp(period.started_at as i64, 0)?;
-                let ended_at = DateTime::from_timestamp(period.ended_at as i64, 0)?;
-
-                Some((started_at, ended_at))
-            });
-            this.trial_started_at = message
-                .payload
-                .trial_started_at
-                .and_then(|trial_started_at| DateTime::from_timestamp(trial_started_at as i64, 0));
-            this.is_usage_based_billing_enabled = message.payload.is_usage_based_billing_enabled;
-            this.account_too_young = message.payload.account_too_young;
-            this.has_overdue_invoices = message.payload.has_overdue_invoices;
-
-            if let Some(usage) = message.payload.usage {
-                // limits are always present even though they are wrapped in Option
-                this.model_request_usage = usage
-                    .model_requests_usage_limit
-                    .and_then(|limit| {
-                        RequestUsage::from_proto(usage.model_requests_usage_amount, limit)
-                    })
-                    .map(ModelRequestUsage);
-                this.edit_prediction_usage = usage
-                    .edit_predictions_usage_limit
-                    .and_then(|limit| {
-                        RequestUsage::from_proto(usage.model_requests_usage_amount, limit)
-                    })
-                    .map(EditPredictionUsage);
-            }
-
-            cx.emit(Event::PlanUpdated);
-            cx.notify();
-        })?;
-        Ok(())
-    }
-
-    pub fn update_model_request_usage(&mut self, usage: ModelRequestUsage, cx: &mut Context<Self>) {
-        self.model_request_usage = Some(usage);
-        cx.notify();
-    }
-
-    pub fn update_edit_prediction_usage(
-        &mut self,
-        usage: EditPredictionUsage,
-        cx: &mut Context<Self>,
-    ) {
-        self.edit_prediction_usage = Some(usage);
-        cx.notify();
-    }
-
     fn update_contacts(&mut self, message: UpdateContacts, cx: &Context<Self>) -> Task<Result<()>> {
         match message {
             UpdateContacts::Wait(barrier) => {
@@ -765,87 +690,141 @@ impl UserStore {
         self.current_user.borrow().clone()
     }
 
-    pub fn current_plan(&self) -> Option<proto::Plan> {
+    pub fn plan(&self) -> Option<cloud_llm_client::Plan> {
         #[cfg(debug_assertions)]
         if let Ok(plan) = std::env::var("ZED_SIMULATE_PLAN").as_ref() {
             return match plan.as_str() {
-                "free" => Some(proto::Plan::Free),
-                "trial" => Some(proto::Plan::ZedProTrial),
-                "pro" => Some(proto::Plan::ZedPro),
+                "free" => Some(cloud_llm_client::Plan::ZedFree),
+                "trial" => Some(cloud_llm_client::Plan::ZedProTrial),
+                "pro" => Some(cloud_llm_client::Plan::ZedPro),
                 _ => {
                     panic!("ZED_SIMULATE_PLAN must be one of 'free', 'trial', or 'pro'");
                 }
             };
         }
 
-        self.current_plan
+        self.plan_info.as_ref().map(|info| info.plan)
     }
 
     pub fn subscription_period(&self) -> Option<(DateTime<Utc>, DateTime<Utc>)> {
-        self.subscription_period
+        self.plan_info
+            .as_ref()
+            .and_then(|plan| plan.subscription_period)
+            .map(|subscription_period| {
+                (
+                    subscription_period.started_at.0,
+                    subscription_period.ended_at.0,
+                )
+            })
     }
 
     pub fn trial_started_at(&self) -> Option<DateTime<Utc>> {
-        self.trial_started_at
+        self.plan_info
+            .as_ref()
+            .and_then(|plan| plan.trial_started_at)
+            .map(|trial_started_at| trial_started_at.0)
     }
 
-    pub fn usage_based_billing_enabled(&self) -> Option<bool> {
-        self.is_usage_based_billing_enabled
+    /// Returns whether the user's account is too new to use the service.
+    pub fn account_too_young(&self) -> bool {
+        self.plan_info
+            .as_ref()
+            .map(|plan| plan.is_account_too_young)
+            .unwrap_or_default()
+    }
+
+    /// Returns whether the current user has overdue invoices and usage should be blocked.
+    pub fn has_overdue_invoices(&self) -> bool {
+        self.plan_info
+            .as_ref()
+            .map(|plan| plan.has_overdue_invoices)
+            .unwrap_or_default()
+    }
+
+    pub fn is_usage_based_billing_enabled(&self) -> bool {
+        self.plan_info
+            .as_ref()
+            .map(|plan| plan.is_usage_based_billing_enabled)
+            .unwrap_or_default()
     }
 
     pub fn model_request_usage(&self) -> Option<ModelRequestUsage> {
         self.model_request_usage
     }
 
+    pub fn update_model_request_usage(&mut self, usage: ModelRequestUsage, cx: &mut Context<Self>) {
+        self.model_request_usage = Some(usage);
+        cx.notify();
+    }
+
     pub fn edit_prediction_usage(&self) -> Option<EditPredictionUsage> {
         self.edit_prediction_usage
     }
 
+    pub fn update_edit_prediction_usage(
+        &mut self,
+        usage: EditPredictionUsage,
+        cx: &mut Context<Self>,
+    ) {
+        self.edit_prediction_usage = Some(usage);
+        cx.notify();
+    }
+
+    fn update_authenticated_user(
+        &mut self,
+        response: GetAuthenticatedUserResponse,
+        cx: &mut Context<Self>,
+    ) {
+        let staff = response.user.is_staff && !*feature_flags::ZED_DISABLE_STAFF;
+        cx.update_flags(staff, response.feature_flags);
+        if let Some(client) = self.client.upgrade() {
+            client
+                .telemetry
+                .set_authenticated_user_info(Some(response.user.metrics_id.clone()), staff);
+        }
+
+        self.model_request_usage = Some(ModelRequestUsage(RequestUsage {
+            limit: response.plan.usage.model_requests.limit,
+            amount: response.plan.usage.model_requests.used as i32,
+        }));
+        self.edit_prediction_usage = Some(EditPredictionUsage(RequestUsage {
+            limit: response.plan.usage.edit_predictions.limit,
+            amount: response.plan.usage.edit_predictions.used as i32,
+        }));
+        self.plan_info = Some(response.plan);
+        cx.emit(Event::PrivateUserInfoUpdated);
+    }
+
+    fn handle_message_to_client(this: WeakEntity<Self>, message: &MessageToClient, cx: &App) {
+        cx.spawn(async move |cx| {
+            match message {
+                MessageToClient::UserUpdated => {
+                    let cloud_client = cx
+                        .update(|cx| {
+                            this.read_with(cx, |this, _cx| {
+                                this.client.upgrade().map(|client| client.cloud_client())
+                            })
+                        })??
+                        .ok_or(anyhow::anyhow!("Failed to get Cloud client"))?;
+
+                    let response = cloud_client.get_authenticated_user().await?;
+                    cx.update(|cx| {
+                        this.update(cx, |this, cx| {
+                            this.update_authenticated_user(response, cx);
+                        })
+                    })??;
+                }
+            }
+
+            anyhow::Ok(())
+        })
+        .detach_and_log_err(cx);
+    }
+
     pub fn watch_current_user(&self) -> watch::Receiver<Option<Arc<User>>> {
         self.current_user.clone()
     }
 
-    /// Returns whether the user's account is too new to use the service.
-    pub fn account_too_young(&self) -> bool {
-        self.account_too_young.unwrap_or(false)
-    }
-
-    /// Returns whether the current user has overdue invoices and usage should be blocked.
-    pub fn has_overdue_invoices(&self) -> bool {
-        self.has_overdue_invoices.unwrap_or(false)
-    }
-
-    pub fn current_user_has_accepted_terms(&self) -> Option<bool> {
-        self.accepted_tos_at
-            .map(|accepted_tos_at| accepted_tos_at.is_some())
-    }
-
-    pub fn accept_terms_of_service(&self, cx: &Context<Self>) -> Task<Result<()>> {
-        if self.current_user().is_none() {
-            return Task::ready(Err(anyhow!("no current user")));
-        };
-
-        let client = self.client.clone();
-        cx.spawn(async move |this, cx| -> anyhow::Result<()> {
-            let client = client.upgrade().context("client not found")?;
-            let response = client
-                .request(proto::AcceptTermsOfService {})
-                .await
-                .context("error accepting tos")?;
-            this.update(cx, |this, cx| {
-                this.set_current_user_accepted_tos_at(Some(response.accepted_tos_at));
-                cx.emit(Event::PrivateUserInfoUpdated);
-            })?;
-            Ok(())
-        })
-    }
-
-    fn set_current_user_accepted_tos_at(&mut self, accepted_tos_at: Option<u64>) {
-        self.accepted_tos_at = Some(
-            accepted_tos_at.and_then(|timestamp| DateTime::from_timestamp(timestamp as i64, 0)),
-        );
-    }
-
     fn load_users(
         &self,
         request: impl RequestMessage<Response = UsersResponse>,
@@ -868,10 +847,10 @@ impl UserStore {
         let mut ret = Vec::with_capacity(users.len());
         for user in users {
             let user = User::new(user);
-            if let Some(old) = self.users.insert(user.id, user.clone()) {
-                if old.github_login != user.github_login {
-                    self.by_github_login.remove(&old.github_login);
-                }
+            if let Some(old) = self.users.insert(user.id, user.clone())
+                && old.github_login != user.github_login
+            {
+                self.by_github_login.remove(&old.github_login);
             }
             self.by_github_login
                 .insert(user.github_login.clone(), user.id);
@@ -972,19 +951,6 @@ impl RequestUsage {
         }
     }
 
-    pub fn from_proto(amount: u32, limit: proto::UsageLimit) -> Option<Self> {
-        let limit = match limit.variant? {
-            proto::usage_limit::Variant::Limited(limited) => {
-                UsageLimit::Limited(limited.limit as i32)
-            }
-            proto::usage_limit::Variant::Unlimited(_) => UsageLimit::Unlimited,
-        };
-        Some(RequestUsage {
-            limit,
-            amount: amount as i32,
-        })
-    }
-
     fn from_headers(
         limit_name: &str,
         amount_name: &str,
diff --git a/crates/client/src/zed_urls.rs b/crates/client/src/zed_urls.rs
index 693c7bf836..9df41906d7 100644
--- a/crates/client/src/zed_urls.rs
+++ b/crates/client/src/zed_urls.rs
@@ -35,3 +35,11 @@ pub fn upgrade_to_zed_pro_url(cx: &App) -> String {
 pub fn terms_of_service(cx: &App) -> String {
     format!("{server_url}/terms-of-service", server_url = server_url(cx))
 }
+
+/// Returns the URL to Zed AI's privacy and security docs.
+pub fn ai_privacy_and_security(cx: &App) -> String {
+    format!(
+        "{server_url}/docs/ai/privacy-and-security",
+        server_url = server_url(cx)
+    )
+}
diff --git a/crates/cloud_api_client/Cargo.toml b/crates/cloud_api_client/Cargo.toml
index d56aa94c6e..8e50ccb191 100644
--- a/crates/cloud_api_client/Cargo.toml
+++ b/crates/cloud_api_client/Cargo.toml
@@ -15,7 +15,10 @@ path = "src/cloud_api_client.rs"
 anyhow.workspace = true
 cloud_api_types.workspace = true
 futures.workspace = true
+gpui.workspace = true
+gpui_tokio.workspace = true
 http_client.workspace = true
 parking_lot.workspace = true
 serde_json.workspace = true
 workspace-hack.workspace = true
+yawc.workspace = true
diff --git a/crates/cloud_api_client/src/cloud_api_client.rs b/crates/cloud_api_client/src/cloud_api_client.rs
index 2d017cf2ee..7fd96fcef0 100644
--- a/crates/cloud_api_client/src/cloud_api_client.rs
+++ b/crates/cloud_api_client/src/cloud_api_client.rs
@@ -1,10 +1,19 @@
+mod websocket;
+
 use std::sync::Arc;
 
-use anyhow::{Result, anyhow};
+use anyhow::{Context, Result, anyhow};
+use cloud_api_types::websocket_protocol::{PROTOCOL_VERSION, PROTOCOL_VERSION_HEADER_NAME};
 pub use cloud_api_types::*;
 use futures::AsyncReadExt as _;
-use http_client::{AsyncBody, HttpClientWithUrl, Method, Request};
+use gpui::{App, Task};
+use gpui_tokio::Tokio;
+use http_client::http::request;
+use http_client::{AsyncBody, HttpClientWithUrl, Method, Request, StatusCode};
 use parking_lot::RwLock;
+use yawc::WebSocket;
+
+use crate::websocket::Connection;
 
 struct Credentials {
     user_id: u32,
@@ -39,29 +48,25 @@ impl CloudApiClient {
         *self.credentials.write() = None;
     }
 
-    fn authorization_header(&self) -> Result<String> {
-        let guard = self.credentials.read();
-        let credentials = guard
-            .as_ref()
-            .ok_or_else(|| anyhow!("No credentials provided"))?;
-
-        Ok(format!(
-            "{} {}",
-            credentials.user_id, credentials.access_token
-        ))
+    fn build_request(
+        &self,
+        req: request::Builder,
+        body: impl Into<AsyncBody>,
+    ) -> Result<Request<AsyncBody>> {
+        let credentials = self.credentials.read();
+        let credentials = credentials.as_ref().context("no credentials provided")?;
+        build_request(req, body, credentials)
     }
 
     pub async fn get_authenticated_user(&self) -> Result<GetAuthenticatedUserResponse> {
-        let request = Request::builder()
-            .method(Method::GET)
-            .uri(
+        let request = self.build_request(
+            Request::builder().method(Method::GET).uri(
                 self.http_client
                     .build_zed_cloud_url("/client/users/me", &[])?
                     .as_ref(),
-            )
-            .header("Content-Type", "application/json")
-            .header("Authorization", self.authorization_header()?)
-            .body(AsyncBody::default())?;
+            ),
+            AsyncBody::default(),
+        )?;
 
         let mut response = self.http_client.send(request).await?;
 
@@ -80,4 +85,113 @@ impl CloudApiClient {
 
         Ok(serde_json::from_str(&body)?)
     }
+
+    pub fn connect(&self, cx: &App) -> Result<Task<Result<Connection>>> {
+        let mut connect_url = self
+            .http_client
+            .build_zed_cloud_url("/client/users/connect", &[])?;
+        connect_url
+            .set_scheme(match connect_url.scheme() {
+                "https" => "wss",
+                "http" => "ws",
+                scheme => Err(anyhow!("invalid URL scheme: {scheme}"))?,
+            })
+            .map_err(|_| anyhow!("failed to set URL scheme"))?;
+
+        let credentials = self.credentials.read();
+        let credentials = credentials.as_ref().context("no credentials provided")?;
+        let authorization_header = format!("{} {}", credentials.user_id, credentials.access_token);
+
+        Ok(Tokio::spawn_result(cx, async move {
+            let ws = WebSocket::connect(connect_url)
+                .with_request(
+                    request::Builder::new()
+                        .header("Authorization", authorization_header)
+                        .header(PROTOCOL_VERSION_HEADER_NAME, PROTOCOL_VERSION.to_string()),
+                )
+                .await?;
+
+            Ok(Connection::new(ws))
+        }))
+    }
+
+    pub async fn create_llm_token(
+        &self,
+        system_id: Option<String>,
+    ) -> Result<CreateLlmTokenResponse> {
+        let mut request_builder = Request::builder().method(Method::POST).uri(
+            self.http_client
+                .build_zed_cloud_url("/client/llm_tokens", &[])?
+                .as_ref(),
+        );
+
+        if let Some(system_id) = system_id {
+            request_builder = request_builder.header(ZED_SYSTEM_ID_HEADER_NAME, system_id);
+        }
+
+        let request = self.build_request(request_builder, AsyncBody::default())?;
+
+        let mut response = self.http_client.send(request).await?;
+
+        if !response.status().is_success() {
+            let mut body = String::new();
+            response.body_mut().read_to_string(&mut body).await?;
+
+            anyhow::bail!(
+                "Failed to create LLM token.\nStatus: {:?}\nBody: {body}",
+                response.status()
+            )
+        }
+
+        let mut body = String::new();
+        response.body_mut().read_to_string(&mut body).await?;
+
+        Ok(serde_json::from_str(&body)?)
+    }
+
+    pub async fn validate_credentials(&self, user_id: u32, access_token: &str) -> Result<bool> {
+        let request = build_request(
+            Request::builder().method(Method::GET).uri(
+                self.http_client
+                    .build_zed_cloud_url("/client/users/me", &[])?
+                    .as_ref(),
+            ),
+            AsyncBody::default(),
+            &Credentials {
+                user_id,
+                access_token: access_token.into(),
+            },
+        )?;
+
+        let mut response = self.http_client.send(request).await?;
+
+        if response.status().is_success() {
+            Ok(true)
+        } else {
+            let mut body = String::new();
+            response.body_mut().read_to_string(&mut body).await?;
+            if response.status() == StatusCode::UNAUTHORIZED {
+                Ok(false)
+            } else {
+                Err(anyhow!(
+                    "Failed to get authenticated user.\nStatus: {:?}\nBody: {body}",
+                    response.status()
+                ))
+            }
+        }
+    }
+}
+
+fn build_request(
+    req: request::Builder,
+    body: impl Into<AsyncBody>,
+    credentials: &Credentials,
+) -> Result<Request<AsyncBody>> {
+    Ok(req
+        .header("Content-Type", "application/json")
+        .header(
+            "Authorization",
+            format!("{} {}", credentials.user_id, credentials.access_token),
+        )
+        .body(body.into())?)
 }
diff --git a/crates/cloud_api_client/src/websocket.rs b/crates/cloud_api_client/src/websocket.rs
new file mode 100644
index 0000000000..48a628db78
--- /dev/null
+++ b/crates/cloud_api_client/src/websocket.rs
@@ -0,0 +1,73 @@
+use std::pin::Pin;
+use std::time::Duration;
+
+use anyhow::Result;
+use cloud_api_types::websocket_protocol::MessageToClient;
+use futures::channel::mpsc::unbounded;
+use futures::stream::{SplitSink, SplitStream};
+use futures::{FutureExt as _, SinkExt as _, Stream, StreamExt as _, TryStreamExt as _, pin_mut};
+use gpui::{App, BackgroundExecutor, Task};
+use yawc::WebSocket;
+use yawc::frame::{FrameView, OpCode};
+
+const KEEPALIVE_INTERVAL: Duration = Duration::from_secs(1);
+
+pub type MessageStream = Pin<Box<dyn Stream<Item = Result<MessageToClient>>>>;
+
+pub struct Connection {
+    tx: SplitSink<WebSocket, FrameView>,
+    rx: SplitStream<WebSocket>,
+}
+
+impl Connection {
+    pub fn new(ws: WebSocket) -> Self {
+        let (tx, rx) = ws.split();
+
+        Self { tx, rx }
+    }
+
+    pub fn spawn(self, cx: &App) -> (MessageStream, Task<()>) {
+        let (mut tx, rx) = (self.tx, self.rx);
+
+        let (message_tx, message_rx) = unbounded();
+
+        let handle_io = |executor: BackgroundExecutor| async move {
+            // Send messages on this frequency so the connection isn't closed.
+            let keepalive_timer = executor.timer(KEEPALIVE_INTERVAL).fuse();
+            futures::pin_mut!(keepalive_timer);
+
+            let rx = rx.fuse();
+            pin_mut!(rx);
+
+            loop {
+                futures::select_biased! {
+                    _ = keepalive_timer => {
+                        let _ = tx.send(FrameView::ping(Vec::new())).await;
+
+                        keepalive_timer.set(executor.timer(KEEPALIVE_INTERVAL).fuse());
+                    }
+                    frame = rx.next() => {
+                        let Some(frame) = frame else {
+                            break;
+                        };
+
+                        match frame.opcode {
+                            OpCode::Binary => {
+                                let message_result = MessageToClient::deserialize(&frame.payload);
+                                message_tx.unbounded_send(message_result).ok();
+                            }
+                            OpCode::Close => {
+                                break;
+                            }
+                            _ => {}
+                        }
+                    }
+                }
+            }
+        };
+
+        let task = cx.spawn(async move |cx| handle_io(cx.background_executor().clone()).await);
+
+        (message_rx.into_stream().boxed(), task)
+    }
+}
diff --git a/crates/cloud_api_types/Cargo.toml b/crates/cloud_api_types/Cargo.toml
index 868797df3b..28e0a36a44 100644
--- a/crates/cloud_api_types/Cargo.toml
+++ b/crates/cloud_api_types/Cargo.toml
@@ -12,7 +12,9 @@ workspace = true
 path = "src/cloud_api_types.rs"
 
 [dependencies]
+anyhow.workspace = true
 chrono.workspace = true
+ciborium.workspace = true
 cloud_llm_client.workspace = true
 serde.workspace = true
 workspace-hack.workspace = true
diff --git a/crates/cloud_api_types/src/cloud_api_types.rs b/crates/cloud_api_types/src/cloud_api_types.rs
index e4d4a27af5..fa189cd3b5 100644
--- a/crates/cloud_api_types/src/cloud_api_types.rs
+++ b/crates/cloud_api_types/src/cloud_api_types.rs
@@ -1,4 +1,5 @@
 mod timestamp;
+pub mod websocket_protocol;
 
 use serde::{Deserialize, Serialize};
 
@@ -41,6 +42,11 @@ pub struct SubscriptionPeriod {
     pub ended_at: Timestamp,
 }
 
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct AcceptTermsOfServiceResponse {
+    pub user: AuthenticatedUser,
+}
+
 #[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
 pub struct LlmToken(pub String);
 
diff --git a/crates/cloud_api_types/src/websocket_protocol.rs b/crates/cloud_api_types/src/websocket_protocol.rs
new file mode 100644
index 0000000000..75f6a73b43
--- /dev/null
+++ b/crates/cloud_api_types/src/websocket_protocol.rs
@@ -0,0 +1,28 @@
+use anyhow::{Context as _, Result};
+use serde::{Deserialize, Serialize};
+
+/// The version of the Cloud WebSocket protocol.
+pub const PROTOCOL_VERSION: u32 = 0;
+
+/// The name of the header used to indicate the protocol version in use.
+pub const PROTOCOL_VERSION_HEADER_NAME: &str = "x-zed-protocol-version";
+
+/// A message from Cloud to the Zed client.
+#[derive(Debug, Serialize, Deserialize)]
+pub enum MessageToClient {
+    /// The user was updated and should be refreshed.
+    UserUpdated,
+}
+
+impl MessageToClient {
+    pub fn serialize(&self) -> Result<Vec<u8>> {
+        let mut buffer = Vec::new();
+        ciborium::into_writer(self, &mut buffer).context("failed to serialize message")?;
+
+        Ok(buffer)
+    }
+
+    pub fn deserialize(data: &[u8]) -> Result<Self> {
+        ciborium::from_reader(data).context("failed to deserialize message")
+    }
+}
diff --git a/crates/cloud_llm_client/src/cloud_llm_client.rs b/crates/cloud_llm_client/src/cloud_llm_client.rs
index 171c923154..741945af10 100644
--- a/crates/cloud_llm_client/src/cloud_llm_client.rs
+++ b/crates/cloud_llm_client/src/cloud_llm_client.rs
@@ -149,6 +149,22 @@ pub struct PredictEditsBody {
     pub can_collect_data: bool,
     #[serde(skip_serializing_if = "Option::is_none", default)]
     pub diagnostic_groups: Option<Vec<(String, serde_json::Value)>>,
+    /// Info about the git repository state, only present when can_collect_data is true.
+    #[serde(skip_serializing_if = "Option::is_none", default)]
+    pub git_info: Option<PredictEditsGitInfo>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct PredictEditsGitInfo {
+    /// SHA of git HEAD commit at time of prediction.
+    #[serde(skip_serializing_if = "Option::is_none", default)]
+    pub head_sha: Option<String>,
+    /// URL of the remote called `origin`.
+    #[serde(skip_serializing_if = "Option::is_none", default)]
+    pub remote_origin_url: Option<String>,
+    /// URL of the remote called `upstream`.
+    #[serde(skip_serializing_if = "Option::is_none", default)]
+    pub remote_upstream_url: Option<String>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -247,12 +263,12 @@ pub struct WebSearchBody {
     pub query: String,
 }
 
-#[derive(Serialize, Deserialize, Clone)]
+#[derive(Debug, Serialize, Deserialize, Clone)]
 pub struct WebSearchResponse {
     pub results: Vec<WebSearchResult>,
 }
 
-#[derive(Serialize, Deserialize, Clone)]
+#[derive(Debug, Serialize, Deserialize, Clone)]
 pub struct WebSearchResult {
     pub title: String,
     pub url: String,
diff --git a/crates/collab/Cargo.toml b/crates/collab/Cargo.toml
index 9af95317e6..4fccd3be7f 100644
--- a/crates/collab/Cargo.toml
+++ b/crates/collab/Cargo.toml
@@ -19,7 +19,6 @@ test-support = ["sqlite"]
 
 [dependencies]
 anyhow.workspace = true
-async-stripe.workspace = true
 async-trait.workspace = true
 async-tungstenite.workspace = true
 aws-config = { version = "1.1.5" }
@@ -30,16 +29,13 @@ axum-extra = { version = "0.4", features = ["erased-json"] }
 base64.workspace = true
 chrono.workspace = true
 clock.workspace = true
-cloud_llm_client.workspace = true
 collections.workspace = true
 dashmap.workspace = true
-derive_more.workspace = true
 envy = "0.4.2"
 futures.workspace = true
 gpui.workspace = true
 hex.workspace = true
 http_client.workspace = true
-jsonwebtoken.workspace = true
 livekit_api.workspace = true
 log.workspace = true
 nanoid.workspace = true
@@ -65,7 +61,6 @@ subtle.workspace = true
 supermaven_api.workspace = true
 telemetry_events.workspace = true
 text.workspace = true
-thiserror.workspace = true
 time.workspace = true
 tokio = { workspace = true, features = ["full"] }
 toml.workspace = true
@@ -136,6 +131,3 @@ util.workspace = true
 workspace = { workspace = true, features = ["test-support"] }
 worktree = { workspace = true, features = ["test-support"] }
 zlog.workspace = true
-
-[package.metadata.cargo-machete]
-ignored = ["async-stripe"]
diff --git a/crates/collab/k8s/collab.template.yml b/crates/collab/k8s/collab.template.yml
index 45fc018a4a..214b550ac2 100644
--- a/crates/collab/k8s/collab.template.yml
+++ b/crates/collab/k8s/collab.template.yml
@@ -219,12 +219,6 @@ spec:
                 secretKeyRef:
                   name: slack
                   key: panics_webhook
-            - name: STRIPE_API_KEY
-              valueFrom:
-                secretKeyRef:
-                  name: stripe
-                  key: api_key
-                  optional: true
             - name: COMPLETE_WITH_LANGUAGE_MODEL_RATE_LIMIT_PER_HOUR
               value: "1000"
             - name: SUPERMAVEN_ADMIN_API_KEY
diff --git a/crates/collab/k8s/environments/production.sh b/crates/collab/k8s/environments/production.sh
index e9e68849b8..2861f37896 100644
--- a/crates/collab/k8s/environments/production.sh
+++ b/crates/collab/k8s/environments/production.sh
@@ -2,5 +2,6 @@ ZED_ENVIRONMENT=production
 RUST_LOG=info
 INVITE_LINK_PREFIX=https://zed.dev/invites/
 AUTO_JOIN_CHANNEL_ID=283
-DATABASE_MAX_CONNECTIONS=250
+# Set DATABASE_MAX_CONNECTIONS max connections in the `deploy_collab.yml`:
+# https://github.com/zed-industries/zed/blob/main/.github/workflows/deploy_collab.yml
 LLM_DATABASE_MAX_CONNECTIONS=25
diff --git a/crates/collab/migrations.sqlite/20221109000000_test_schema.sql b/crates/collab/migrations.sqlite/20221109000000_test_schema.sql
index ca840493ad..43581fd942 100644
--- a/crates/collab/migrations.sqlite/20221109000000_test_schema.sql
+++ b/crates/collab/migrations.sqlite/20221109000000_test_schema.sql
@@ -116,6 +116,7 @@ CREATE TABLE "project_repositories" (
     "scan_id" INTEGER NOT NULL,
     "is_deleted" BOOL NOT NULL,
     "current_merge_conflicts" VARCHAR,
+    "merge_message" VARCHAR,
     "branch_summary" VARCHAR,
     "head_commit_details" VARCHAR,
     PRIMARY KEY (project_id, id)
@@ -173,6 +174,7 @@ CREATE TABLE "language_servers" (
     "id" INTEGER NOT NULL,
     "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
     "name" VARCHAR NOT NULL,
+    "capabilities" TEXT NOT NULL,
     PRIMARY KEY (project_id, id)
 );
 
@@ -473,67 +475,6 @@ CREATE UNIQUE INDEX "index_extensions_external_id" ON "extensions" ("external_id
 
 CREATE INDEX "index_extensions_total_download_count" ON "extensions" ("total_download_count");
 
-CREATE TABLE rate_buckets (
-    user_id INT NOT NULL,
-    rate_limit_name VARCHAR(255) NOT NULL,
-    token_count INT NOT NULL,
-    last_refill TIMESTAMP WITHOUT TIME ZONE NOT NULL,
-    PRIMARY KEY (user_id, rate_limit_name),
-    FOREIGN KEY (user_id) REFERENCES users (id)
-);
-
-CREATE INDEX idx_user_id_rate_limit ON rate_buckets (user_id, rate_limit_name);
-
-CREATE TABLE IF NOT EXISTS billing_preferences (
-    id INTEGER PRIMARY KEY AUTOINCREMENT,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    user_id INTEGER NOT NULL REFERENCES users (id),
-    max_monthly_llm_usage_spending_in_cents INTEGER NOT NULL,
-    model_request_overages_enabled bool NOT NULL DEFAULT FALSE,
-    model_request_overages_spend_limit_in_cents integer NOT NULL DEFAULT 0
-);
-
-CREATE UNIQUE INDEX "uix_billing_preferences_on_user_id" ON billing_preferences (user_id);
-
-CREATE TABLE IF NOT EXISTS billing_customers (
-    id INTEGER PRIMARY KEY AUTOINCREMENT,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    user_id INTEGER NOT NULL REFERENCES users (id),
-    has_overdue_invoices BOOLEAN NOT NULL DEFAULT FALSE,
-    stripe_customer_id TEXT NOT NULL,
-    trial_started_at TIMESTAMP
-);
-
-CREATE UNIQUE INDEX "uix_billing_customers_on_user_id" ON billing_customers (user_id);
-
-CREATE UNIQUE INDEX "uix_billing_customers_on_stripe_customer_id" ON billing_customers (stripe_customer_id);
-
-CREATE TABLE IF NOT EXISTS billing_subscriptions (
-    id INTEGER PRIMARY KEY AUTOINCREMENT,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    billing_customer_id INTEGER NOT NULL REFERENCES billing_customers (id),
-    stripe_subscription_id TEXT NOT NULL,
-    stripe_subscription_status TEXT NOT NULL,
-    stripe_cancel_at TIMESTAMP,
-    stripe_cancellation_reason TEXT,
-    kind TEXT,
-    stripe_current_period_start BIGINT,
-    stripe_current_period_end BIGINT
-);
-
-CREATE INDEX "ix_billing_subscriptions_on_billing_customer_id" ON billing_subscriptions (billing_customer_id);
-
-CREATE UNIQUE INDEX "uix_billing_subscriptions_on_stripe_subscription_id" ON billing_subscriptions (stripe_subscription_id);
-
-CREATE TABLE IF NOT EXISTS processed_stripe_events (
-    stripe_event_id TEXT PRIMARY KEY,
-    stripe_event_type TEXT NOT NULL,
-    stripe_event_created_timestamp INTEGER NOT NULL,
-    processed_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
-);
-
-CREATE INDEX "ix_processed_stripe_events_on_stripe_event_created_timestamp" ON processed_stripe_events (stripe_event_created_timestamp);
-
 CREATE TABLE IF NOT EXISTS "breakpoints" (
     "id" INTEGER PRIMARY KEY AUTOINCREMENT,
     "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
diff --git a/crates/collab/migrations/20250804080620_language_server_capabilities.sql b/crates/collab/migrations/20250804080620_language_server_capabilities.sql
new file mode 100644
index 0000000000..f74f094ed2
--- /dev/null
+++ b/crates/collab/migrations/20250804080620_language_server_capabilities.sql
@@ -0,0 +1,5 @@
+ALTER TABLE language_servers
+    ADD COLUMN capabilities TEXT NOT NULL DEFAULT '{}';
+
+ALTER TABLE language_servers
+    ALTER COLUMN capabilities DROP DEFAULT;
diff --git a/crates/collab/migrations/20250816124707_make_admin_required_on_users.sql b/crates/collab/migrations/20250816124707_make_admin_required_on_users.sql
new file mode 100644
index 0000000000..e372723d6d
--- /dev/null
+++ b/crates/collab/migrations/20250816124707_make_admin_required_on_users.sql
@@ -0,0 +1,2 @@
+alter table users
+alter column admin set not null;
diff --git a/crates/collab/migrations/20250816133027_add_orb_customer_id_to_billing_customers.sql b/crates/collab/migrations/20250816133027_add_orb_customer_id_to_billing_customers.sql
new file mode 100644
index 0000000000..ea5e4de52a
--- /dev/null
+++ b/crates/collab/migrations/20250816133027_add_orb_customer_id_to_billing_customers.sql
@@ -0,0 +1,2 @@
+alter table billing_customers
+    add column orb_customer_id text;
diff --git a/crates/collab/migrations/20250816135346_drop_rate_buckets_table.sql b/crates/collab/migrations/20250816135346_drop_rate_buckets_table.sql
new file mode 100644
index 0000000000..f51a33ed30
--- /dev/null
+++ b/crates/collab/migrations/20250816135346_drop_rate_buckets_table.sql
@@ -0,0 +1 @@
+drop table rate_buckets;
diff --git a/crates/collab/migrations/20250818192156_add_git_merge_message.sql b/crates/collab/migrations/20250818192156_add_git_merge_message.sql
new file mode 100644
index 0000000000..335ea2f824
--- /dev/null
+++ b/crates/collab/migrations/20250818192156_add_git_merge_message.sql
@@ -0,0 +1 @@
+ALTER TABLE "project_repositories" ADD COLUMN "merge_message" VARCHAR;
diff --git a/crates/collab/migrations/20250819022421_add_orb_subscription_id_to_billing_subscriptions.sql b/crates/collab/migrations/20250819022421_add_orb_subscription_id_to_billing_subscriptions.sql
new file mode 100644
index 0000000000..317f6a7653
--- /dev/null
+++ b/crates/collab/migrations/20250819022421_add_orb_subscription_id_to_billing_subscriptions.sql
@@ -0,0 +1,2 @@
+alter table billing_subscriptions
+    add column orb_subscription_id text;
diff --git a/crates/collab/migrations/20250819225916_make_stripe_fields_optional_on_billing_subscription.sql b/crates/collab/migrations/20250819225916_make_stripe_fields_optional_on_billing_subscription.sql
new file mode 100644
index 0000000000..cf3b79da60
--- /dev/null
+++ b/crates/collab/migrations/20250819225916_make_stripe_fields_optional_on_billing_subscription.sql
@@ -0,0 +1,3 @@
+alter table billing_subscriptions
+    alter column stripe_subscription_id drop not null,
+    alter column stripe_subscription_status drop not null;
diff --git a/crates/collab/migrations/20250821133754_add_orb_subscription_status_and_period_to_billing_subscriptions.sql b/crates/collab/migrations/20250821133754_add_orb_subscription_status_and_period_to_billing_subscriptions.sql
new file mode 100644
index 0000000000..89a42ab82b
--- /dev/null
+++ b/crates/collab/migrations/20250821133754_add_orb_subscription_status_and_period_to_billing_subscriptions.sql
@@ -0,0 +1,4 @@
+alter table billing_subscriptions
+    add column orb_subscription_status text,
+    add column orb_current_billing_period_start_date timestamp without time zone,
+    add column orb_current_billing_period_end_date timestamp without time zone;
diff --git a/crates/collab/src/api.rs b/crates/collab/src/api.rs
index 609fdd128c..0cc7e2b2e9 100644
--- a/crates/collab/src/api.rs
+++ b/crates/collab/src/api.rs
@@ -1,19 +1,11 @@
-pub mod billing;
 pub mod contributors;
 pub mod events;
 pub mod extensions;
 pub mod ips_file;
 pub mod slack;
 
-use crate::db::Database;
-use crate::{
-    AppState, Error, Result, auth,
-    db::{User, UserId},
-    rpc,
-};
-use ::rpc::proto;
+use crate::{AppState, Error, Result, auth, db::UserId, rpc};
 use anyhow::Context as _;
-use axum::extract;
 use axum::{
     Extension, Json, Router,
     body::Body,
@@ -25,7 +17,6 @@ use axum::{
     routing::{get, post},
 };
 use axum_extra::response::ErasedJson;
-use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 use std::sync::{Arc, OnceLock};
 use tower::ServiceBuilder;
@@ -100,11 +91,7 @@ impl std::fmt::Display for SystemIdHeader {
 
 pub fn routes(rpc_server: Arc<rpc::Server>) -> Router<(), Body> {
     Router::new()
-        .route("/user", get(legacy_update_or_create_authenticated_user))
-        .route("/users/look_up", get(look_up_user))
         .route("/users/:id/access_tokens", post(create_access_token))
-        .route("/users/:id/refresh_llm_tokens", post(refresh_llm_tokens))
-        .route("/users/:id/update_plan", post(update_plan))
         .route("/rpc_server_snapshot", get(get_rpc_server_snapshot))
         .merge(contributors::router())
         .layer(
@@ -145,144 +132,6 @@ pub async fn validate_api_token<B>(req: Request<B>, next: Next<B>) -> impl IntoR
     Ok::<_, Error>(next.run(req).await)
 }
 
-#[derive(Debug, Deserialize)]
-struct AuthenticatedUserParams {
-    github_user_id: i32,
-    github_login: String,
-    github_email: Option<String>,
-    github_name: Option<String>,
-    github_user_created_at: chrono::DateTime<chrono::Utc>,
-}
-
-#[derive(Debug, Serialize)]
-struct AuthenticatedUserResponse {
-    user: User,
-    metrics_id: String,
-    feature_flags: Vec<String>,
-}
-
-/// This is a legacy endpoint that is no longer used in production.
-///
-/// It currently only exists to be used when developing Collab locally.
-async fn legacy_update_or_create_authenticated_user(
-    Query(params): Query<AuthenticatedUserParams>,
-    Extension(app): Extension<Arc<AppState>>,
-) -> Result<Json<AuthenticatedUserResponse>> {
-    let initial_channel_id = app.config.auto_join_channel_id;
-
-    let user = app
-        .db
-        .update_or_create_user_by_github_account(
-            &params.github_login,
-            params.github_user_id,
-            params.github_email.as_deref(),
-            params.github_name.as_deref(),
-            params.github_user_created_at,
-            initial_channel_id,
-        )
-        .await?;
-    let metrics_id = app.db.get_user_metrics_id(user.id).await?;
-    let feature_flags = app.db.get_user_flags(user.id).await?;
-    Ok(Json(AuthenticatedUserResponse {
-        user,
-        metrics_id,
-        feature_flags,
-    }))
-}
-
-#[derive(Debug, Deserialize)]
-struct LookUpUserParams {
-    identifier: String,
-}
-
-#[derive(Debug, Serialize)]
-struct LookUpUserResponse {
-    user: Option<User>,
-}
-
-async fn look_up_user(
-    Query(params): Query<LookUpUserParams>,
-    Extension(app): Extension<Arc<AppState>>,
-) -> Result<Json<LookUpUserResponse>> {
-    let user = resolve_identifier_to_user(&app.db, &params.identifier).await?;
-    let user = if let Some(user) = user {
-        match user {
-            UserOrId::User(user) => Some(user),
-            UserOrId::Id(id) => app.db.get_user_by_id(id).await?,
-        }
-    } else {
-        None
-    };
-
-    Ok(Json(LookUpUserResponse { user }))
-}
-
-enum UserOrId {
-    User(User),
-    Id(UserId),
-}
-
-async fn resolve_identifier_to_user(
-    db: &Arc<Database>,
-    identifier: &str,
-) -> Result<Option<UserOrId>> {
-    if let Some(identifier) = identifier.parse::<i32>().ok() {
-        let user = db.get_user_by_id(UserId(identifier)).await?;
-
-        return Ok(user.map(UserOrId::User));
-    }
-
-    if identifier.starts_with("cus_") {
-        let billing_customer = db
-            .get_billing_customer_by_stripe_customer_id(&identifier)
-            .await?;
-
-        return Ok(billing_customer.map(|billing_customer| UserOrId::Id(billing_customer.user_id)));
-    }
-
-    if identifier.starts_with("sub_") {
-        let billing_subscription = db
-            .get_billing_subscription_by_stripe_subscription_id(&identifier)
-            .await?;
-
-        if let Some(billing_subscription) = billing_subscription {
-            let billing_customer = db
-                .get_billing_customer_by_id(billing_subscription.billing_customer_id)
-                .await?;
-
-            return Ok(
-                billing_customer.map(|billing_customer| UserOrId::Id(billing_customer.user_id))
-            );
-        } else {
-            return Ok(None);
-        }
-    }
-
-    if identifier.contains('@') {
-        let user = db.get_user_by_email(identifier).await?;
-
-        return Ok(user.map(UserOrId::User));
-    }
-
-    if let Some(user) = db.get_user_by_github_login(identifier).await? {
-        return Ok(Some(UserOrId::User(user)));
-    }
-
-    Ok(None)
-}
-
-#[derive(Deserialize, Debug)]
-struct CreateUserParams {
-    github_user_id: i32,
-    github_login: String,
-    email_address: String,
-    email_confirmation_code: Option<String>,
-    #[serde(default)]
-    admin: bool,
-    #[serde(default)]
-    invite_count: i32,
-}
-
 async fn get_rpc_server_snapshot(
     Extension(rpc_server): Extension<Arc<rpc::Server>>,
 ) -> Result<ErasedJson> {
@@ -341,90 +190,3 @@ async fn create_access_token(
         encrypted_access_token,
     }))
 }
-
-#[derive(Serialize)]
-struct RefreshLlmTokensResponse {}
-
-async fn refresh_llm_tokens(
-    Path(user_id): Path<UserId>,
-    Extension(rpc_server): Extension<Arc<rpc::Server>>,
-) -> Result<Json<RefreshLlmTokensResponse>> {
-    rpc_server.refresh_llm_tokens_for_user(user_id).await;
-
-    Ok(Json(RefreshLlmTokensResponse {}))
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-struct UpdatePlanBody {
-    pub plan: cloud_llm_client::Plan,
-    pub subscription_period: SubscriptionPeriod,
-    pub usage: cloud_llm_client::CurrentUsage,
-    pub trial_started_at: Option<DateTime<Utc>>,
-    pub is_usage_based_billing_enabled: bool,
-    pub is_account_too_young: bool,
-    pub has_overdue_invoices: bool,
-}
-
-#[derive(Debug, PartialEq, Clone, Copy, Serialize, Deserialize)]
-struct SubscriptionPeriod {
-    pub started_at: DateTime<Utc>,
-    pub ended_at: DateTime<Utc>,
-}
-
-#[derive(Serialize)]
-struct UpdatePlanResponse {}
-
-async fn update_plan(
-    Path(user_id): Path<UserId>,
-    Extension(rpc_server): Extension<Arc<rpc::Server>>,
-    extract::Json(body): extract::Json<UpdatePlanBody>,
-) -> Result<Json<UpdatePlanResponse>> {
-    let plan = match body.plan {
-        cloud_llm_client::Plan::ZedFree => proto::Plan::Free,
-        cloud_llm_client::Plan::ZedPro => proto::Plan::ZedPro,
-        cloud_llm_client::Plan::ZedProTrial => proto::Plan::ZedProTrial,
-    };
-
-    let update_user_plan = proto::UpdateUserPlan {
-        plan: plan.into(),
-        trial_started_at: body
-            .trial_started_at
-            .map(|trial_started_at| trial_started_at.timestamp() as u64),
-        is_usage_based_billing_enabled: Some(body.is_usage_based_billing_enabled),
-        usage: Some(proto::SubscriptionUsage {
-            model_requests_usage_amount: body.usage.model_requests.used,
-            model_requests_usage_limit: Some(usage_limit_to_proto(body.usage.model_requests.limit)),
-            edit_predictions_usage_amount: body.usage.edit_predictions.used,
-            edit_predictions_usage_limit: Some(usage_limit_to_proto(
-                body.usage.edit_predictions.limit,
-            )),
-        }),
-        subscription_period: Some(proto::SubscriptionPeriod {
-            started_at: body.subscription_period.started_at.timestamp() as u64,
-            ended_at: body.subscription_period.ended_at.timestamp() as u64,
-        }),
-        account_too_young: Some(body.is_account_too_young),
-        has_overdue_invoices: Some(body.has_overdue_invoices),
-    };
-
-    rpc_server
-        .update_plan_for_user(user_id, update_user_plan)
-        .await?;
-
-    Ok(Json(UpdatePlanResponse {}))
-}
-
-fn usage_limit_to_proto(limit: cloud_llm_client::UsageLimit) -> proto::UsageLimit {
-    proto::UsageLimit {
-        variant: Some(match limit {
-            cloud_llm_client::UsageLimit::Limited(limit) => {
-                proto::usage_limit::Variant::Limited(proto::usage_limit::Limited {
-                    limit: limit as u32,
-                })
-            }
-            cloud_llm_client::UsageLimit::Unlimited => {
-                proto::usage_limit::Variant::Unlimited(proto::usage_limit::Unlimited {})
-            }
-        }),
-    }
-}
diff --git a/crates/collab/src/api/billing.rs b/crates/collab/src/api/billing.rs
deleted file mode 100644
index 0e15308ffe..0000000000
--- a/crates/collab/src/api/billing.rs
+++ /dev/null
@@ -1,735 +0,0 @@
-use anyhow::{Context as _, bail};
-use chrono::{DateTime, Utc};
-use cloud_llm_client::LanguageModelProvider;
-use collections::{HashMap, HashSet};
-use sea_orm::ActiveValue;
-use std::{sync::Arc, time::Duration};
-use stripe::{CancellationDetailsReason, EventObject, EventType, ListEvents, SubscriptionStatus};
-use util::{ResultExt, maybe};
-
-use crate::AppState;
-use crate::db::billing_subscription::{
-    StripeCancellationReason, StripeSubscriptionStatus, SubscriptionKind,
-};
-use crate::llm::db::subscription_usage_meter::{self, CompletionMode};
-use crate::rpc::{ResultExt as _, Server};
-use crate::stripe_client::{
-    StripeCancellationDetailsReason, StripeClient, StripeCustomerId, StripeSubscription,
-    StripeSubscriptionId,
-};
-use crate::{db::UserId, llm::db::LlmDatabase};
-use crate::{
-    db::{
-        CreateBillingCustomerParams, CreateBillingSubscriptionParams,
-        CreateProcessedStripeEventParams, UpdateBillingCustomerParams,
-        UpdateBillingSubscriptionParams, billing_customer,
-    },
-    stripe_billing::StripeBilling,
-};
-
-/// The amount of time we wait in between each poll of Stripe events.
-///
-/// This value should strike a balance between:
-///   1. Being short enough that we update quickly when something in Stripe changes
-///   2. Being long enough that we don't eat into our rate limits.
-///
-/// As a point of reference, the Sequin folks say they have this at **500ms**:
-///
-/// > We poll the Stripe /events endpoint every 500ms per account
-/// >
-/// > — https://blog.sequinstream.com/events-not-webhooks/
-const POLL_EVENTS_INTERVAL: Duration = Duration::from_secs(5);
-
-/// The maximum number of events to return per page.
-///
-/// We set this to 100 (the max) so we have to make fewer requests to Stripe.
-///
-/// > Limit can range between 1 and 100, and the default is 10.
-const EVENTS_LIMIT_PER_PAGE: u64 = 100;
-
-/// The number of pages consisting entirely of already-processed events that we
-/// will see before we stop retrieving events.
-///
-/// This is used to prevent over-fetching the Stripe events API for events we've
-/// already seen and processed.
-const NUMBER_OF_ALREADY_PROCESSED_PAGES_BEFORE_WE_STOP: usize = 4;
-
-/// Polls the Stripe events API periodically to reconcile the records in our
-/// database with the data in Stripe.
-pub fn poll_stripe_events_periodically(app: Arc<AppState>, rpc_server: Arc<Server>) {
-    let Some(real_stripe_client) = app.real_stripe_client.clone() else {
-        log::warn!("failed to retrieve Stripe client");
-        return;
-    };
-    let Some(stripe_client) = app.stripe_client.clone() else {
-        log::warn!("failed to retrieve Stripe client");
-        return;
-    };
-
-    let executor = app.executor.clone();
-    executor.spawn_detached({
-        let executor = executor.clone();
-        async move {
-            loop {
-                poll_stripe_events(&app, &rpc_server, &stripe_client, &real_stripe_client)
-                    .await
-                    .log_err();
-
-                executor.sleep(POLL_EVENTS_INTERVAL).await;
-            }
-        }
-    });
-}
-
-async fn poll_stripe_events(
-    app: &Arc<AppState>,
-    rpc_server: &Arc<Server>,
-    stripe_client: &Arc<dyn StripeClient>,
-    real_stripe_client: &stripe::Client,
-) -> anyhow::Result<()> {
-    let feature_flags = app.db.list_feature_flags().await?;
-    let sync_events_using_cloud = feature_flags
-        .iter()
-        .any(|flag| flag.flag == "cloud-stripe-events-polling" && flag.enabled_for_all);
-    if sync_events_using_cloud {
-        return Ok(());
-    }
-
-    fn event_type_to_string(event_type: EventType) -> String {
-        // Calling `to_string` on `stripe::EventType` members gives us a quoted string,
-        // so we need to unquote it.
-        event_type.to_string().trim_matches('"').to_string()
-    }
-
-    let event_types = [
-        EventType::CustomerCreated,
-        EventType::CustomerUpdated,
-        EventType::CustomerSubscriptionCreated,
-        EventType::CustomerSubscriptionUpdated,
-        EventType::CustomerSubscriptionPaused,
-        EventType::CustomerSubscriptionResumed,
-        EventType::CustomerSubscriptionDeleted,
-    ]
-    .into_iter()
-    .map(event_type_to_string)
-    .collect::<Vec<_>>();
-
-    let mut pages_of_already_processed_events = 0;
-    let mut unprocessed_events = Vec::new();
-
-    log::info!(
-        "Stripe events: starting retrieval for {}",
-        event_types.join(", ")
-    );
-    let mut params = ListEvents::new();
-    params.types = Some(event_types.clone());
-    params.limit = Some(EVENTS_LIMIT_PER_PAGE);
-
-    let mut event_pages = stripe::Event::list(&real_stripe_client, &params)
-        .await?
-        .paginate(params);
-
-    loop {
-        let processed_event_ids = {
-            let event_ids = event_pages
-                .page
-                .data
-                .iter()
-                .map(|event| event.id.as_str())
-                .collect::<Vec<_>>();
-            app.db
-                .get_processed_stripe_events_by_event_ids(&event_ids)
-                .await?
-                .into_iter()
-                .map(|event| event.stripe_event_id)
-                .collect::<Vec<_>>()
-        };
-
-        let mut processed_events_in_page = 0;
-        let events_in_page = event_pages.page.data.len();
-        for event in &event_pages.page.data {
-            if processed_event_ids.contains(&event.id.to_string()) {
-                processed_events_in_page += 1;
-                log::debug!("Stripe events: already processed '{}', skipping", event.id);
-            } else {
-                unprocessed_events.push(event.clone());
-            }
-        }
-
-        if processed_events_in_page == events_in_page {
-            pages_of_already_processed_events += 1;
-        }
-
-        if event_pages.page.has_more {
-            if pages_of_already_processed_events >= NUMBER_OF_ALREADY_PROCESSED_PAGES_BEFORE_WE_STOP
-            {
-                log::info!(
-                    "Stripe events: stopping, saw {pages_of_already_processed_events} pages of already-processed events"
-                );
-                break;
-            } else {
-                log::info!("Stripe events: retrieving next page");
-                event_pages = event_pages.next(&real_stripe_client).await?;
-            }
-        } else {
-            break;
-        }
-    }
-
-    log::info!("Stripe events: unprocessed {}", unprocessed_events.len());
-
-    // Sort all of the unprocessed events in ascending order, so we can handle them in the order they occurred.
-    unprocessed_events.sort_by(|a, b| a.created.cmp(&b.created).then_with(|| a.id.cmp(&b.id)));
-
-    for event in unprocessed_events {
-        let event_id = event.id.clone();
-        let processed_event_params = CreateProcessedStripeEventParams {
-            stripe_event_id: event.id.to_string(),
-            stripe_event_type: event_type_to_string(event.type_),
-            stripe_event_created_timestamp: event.created,
-        };
-
-        // If the event has happened too far in the past, we don't want to
-        // process it and risk overwriting other more-recent updates.
-        //
-        // 1 day was chosen arbitrarily. This could be made longer or shorter.
-        let one_day = Duration::from_secs(24 * 60 * 60);
-        let a_day_ago = Utc::now() - one_day;
-        if a_day_ago.timestamp() > event.created {
-            log::info!(
-                "Stripe events: event '{}' is more than {one_day:?} old, marking as processed",
-                event_id
-            );
-            app.db
-                .create_processed_stripe_event(&processed_event_params)
-                .await?;
-
-            continue;
-        }
-
-        let process_result = match event.type_ {
-            EventType::CustomerCreated | EventType::CustomerUpdated => {
-                handle_customer_event(app, real_stripe_client, event).await
-            }
-            EventType::CustomerSubscriptionCreated
-            | EventType::CustomerSubscriptionUpdated
-            | EventType::CustomerSubscriptionPaused
-            | EventType::CustomerSubscriptionResumed
-            | EventType::CustomerSubscriptionDeleted => {
-                handle_customer_subscription_event(app, rpc_server, stripe_client, event).await
-            }
-            _ => Ok(()),
-        };
-
-        if let Some(()) = process_result
-            .with_context(|| format!("failed to process event {event_id} successfully"))
-            .log_err()
-        {
-            app.db
-                .create_processed_stripe_event(&processed_event_params)
-                .await?;
-        }
-    }
-
-    Ok(())
-}
-
-async fn handle_customer_event(
-    app: &Arc<AppState>,
-    _stripe_client: &stripe::Client,
-    event: stripe::Event,
-) -> anyhow::Result<()> {
-    let EventObject::Customer(customer) = event.data.object else {
-        bail!("unexpected event payload for {}", event.id);
-    };
-
-    log::info!("handling Stripe {} event: {}", event.type_, event.id);
-
-    let Some(email) = customer.email else {
-        log::info!("Stripe customer has no email: skipping");
-        return Ok(());
-    };
-
-    let Some(user) = app.db.get_user_by_email(&email).await? else {
-        log::info!("no user found for email: skipping");
-        return Ok(());
-    };
-
-    if let Some(existing_customer) = app
-        .db
-        .get_billing_customer_by_stripe_customer_id(&customer.id)
-        .await?
-    {
-        app.db
-            .update_billing_customer(
-                existing_customer.id,
-                &UpdateBillingCustomerParams {
-                    // For now we just leave the information as-is, as it is not
-                    // likely to change.
-                    ..Default::default()
-                },
-            )
-            .await?;
-    } else {
-        app.db
-            .create_billing_customer(&CreateBillingCustomerParams {
-                user_id: user.id,
-                stripe_customer_id: customer.id.to_string(),
-            })
-            .await?;
-    }
-
-    Ok(())
-}
-
-async fn sync_subscription(
-    app: &Arc<AppState>,
-    stripe_client: &Arc<dyn StripeClient>,
-    subscription: StripeSubscription,
-) -> anyhow::Result<billing_customer::Model> {
-    let subscription_kind = if let Some(stripe_billing) = &app.stripe_billing {
-        stripe_billing
-            .determine_subscription_kind(&subscription)
-            .await
-    } else {
-        None
-    };
-
-    let billing_customer =
-        find_or_create_billing_customer(app, stripe_client.as_ref(), &subscription.customer)
-            .await?
-            .context("billing customer not found")?;
-
-    if let Some(SubscriptionKind::ZedProTrial) = subscription_kind {
-        if subscription.status == SubscriptionStatus::Trialing {
-            let current_period_start =
-                DateTime::from_timestamp(subscription.current_period_start, 0)
-                    .context("No trial subscription period start")?;
-
-            app.db
-                .update_billing_customer(
-                    billing_customer.id,
-                    &UpdateBillingCustomerParams {
-                        trial_started_at: ActiveValue::set(Some(current_period_start.naive_utc())),
-                        ..Default::default()
-                    },
-                )
-                .await?;
-        }
-    }
-
-    let was_canceled_due_to_payment_failure = subscription.status == SubscriptionStatus::Canceled
-        && subscription
-            .cancellation_details
-            .as_ref()
-            .and_then(|details| details.reason)
-            .map_or(false, |reason| {
-                reason == StripeCancellationDetailsReason::PaymentFailed
-            });
-
-    if was_canceled_due_to_payment_failure {
-        app.db
-            .update_billing_customer(
-                billing_customer.id,
-                &UpdateBillingCustomerParams {
-                    has_overdue_invoices: ActiveValue::set(true),
-                    ..Default::default()
-                },
-            )
-            .await?;
-    }
-
-    if let Some(existing_subscription) = app
-        .db
-        .get_billing_subscription_by_stripe_subscription_id(subscription.id.0.as_ref())
-        .await?
-    {
-        app.db
-            .update_billing_subscription(
-                existing_subscription.id,
-                &UpdateBillingSubscriptionParams {
-                    billing_customer_id: ActiveValue::set(billing_customer.id),
-                    kind: ActiveValue::set(subscription_kind),
-                    stripe_subscription_id: ActiveValue::set(subscription.id.to_string()),
-                    stripe_subscription_status: ActiveValue::set(subscription.status.into()),
-                    stripe_cancel_at: ActiveValue::set(
-                        subscription
-                            .cancel_at
-                            .and_then(|cancel_at| DateTime::from_timestamp(cancel_at, 0))
-                            .map(|time| time.naive_utc()),
-                    ),
-                    stripe_cancellation_reason: ActiveValue::set(
-                        subscription
-                            .cancellation_details
-                            .and_then(|details| details.reason)
-                            .map(|reason| reason.into()),
-                    ),
-                    stripe_current_period_start: ActiveValue::set(Some(
-                        subscription.current_period_start,
-                    )),
-                    stripe_current_period_end: ActiveValue::set(Some(
-                        subscription.current_period_end,
-                    )),
-                },
-            )
-            .await?;
-    } else {
-        if let Some(existing_subscription) = app
-            .db
-            .get_active_billing_subscription(billing_customer.user_id)
-            .await?
-        {
-            if existing_subscription.kind == Some(SubscriptionKind::ZedFree)
-                && subscription_kind == Some(SubscriptionKind::ZedProTrial)
-            {
-                let stripe_subscription_id = StripeSubscriptionId(
-                    existing_subscription.stripe_subscription_id.clone().into(),
-                );
-
-                stripe_client
-                    .cancel_subscription(&stripe_subscription_id)
-                    .await?;
-            } else {
-                // If the user already has an active billing subscription, ignore the
-                // event and return an `Ok` to signal that it was processed
-                // successfully.
-                //
-                // There is the possibility that this could cause us to not create a
-                // subscription in the following scenario:
-                //
-                //   1. User has an active subscription A
-                //   2. User cancels subscription A
-                //   3. User creates a new subscription B
-                //   4. We process the new subscription B before the cancellation of subscription A
-                //   5. User ends up with no subscriptions
-                //
-                // In theory this situation shouldn't arise as we try to process the events in the order they occur.
-
-                log::info!(
-                    "user {user_id} already has an active subscription, skipping creation of subscription {subscription_id}",
-                    user_id = billing_customer.user_id,
-                    subscription_id = subscription.id
-                );
-                return Ok(billing_customer);
-            }
-        }
-
-        app.db
-            .create_billing_subscription(&CreateBillingSubscriptionParams {
-                billing_customer_id: billing_customer.id,
-                kind: subscription_kind,
-                stripe_subscription_id: subscription.id.to_string(),
-                stripe_subscription_status: subscription.status.into(),
-                stripe_cancellation_reason: subscription
-                    .cancellation_details
-                    .and_then(|details| details.reason)
-                    .map(|reason| reason.into()),
-                stripe_current_period_start: Some(subscription.current_period_start),
-                stripe_current_period_end: Some(subscription.current_period_end),
-            })
-            .await?;
-    }
-
-    if let Some(stripe_billing) = app.stripe_billing.as_ref() {
-        if subscription.status == SubscriptionStatus::Canceled
-            || subscription.status == SubscriptionStatus::Paused
-        {
-            let already_has_active_billing_subscription = app
-                .db
-                .has_active_billing_subscription(billing_customer.user_id)
-                .await?;
-            if !already_has_active_billing_subscription {
-                let stripe_customer_id =
-                    StripeCustomerId(billing_customer.stripe_customer_id.clone().into());
-
-                stripe_billing
-                    .subscribe_to_zed_free(stripe_customer_id)
-                    .await?;
-            }
-        }
-    }
-
-    Ok(billing_customer)
-}
-
-async fn handle_customer_subscription_event(
-    app: &Arc<AppState>,
-    rpc_server: &Arc<Server>,
-    stripe_client: &Arc<dyn StripeClient>,
-    event: stripe::Event,
-) -> anyhow::Result<()> {
-    let EventObject::Subscription(subscription) = event.data.object else {
-        bail!("unexpected event payload for {}", event.id);
-    };
-
-    log::info!("handling Stripe {} event: {}", event.type_, event.id);
-
-    let billing_customer = sync_subscription(app, stripe_client, subscription.into()).await?;
-
-    // When the user's subscription changes, push down any changes to their plan.
-    rpc_server
-        .update_plan_for_user_legacy(billing_customer.user_id)
-        .await
-        .trace_err();
-
-    // When the user's subscription changes, we want to refresh their LLM tokens
-    // to either grant/revoke access.
-    rpc_server
-        .refresh_llm_tokens_for_user(billing_customer.user_id)
-        .await;
-
-    Ok(())
-}
-
-impl From<SubscriptionStatus> for StripeSubscriptionStatus {
-    fn from(value: SubscriptionStatus) -> Self {
-        match value {
-            SubscriptionStatus::Incomplete => Self::Incomplete,
-            SubscriptionStatus::IncompleteExpired => Self::IncompleteExpired,
-            SubscriptionStatus::Trialing => Self::Trialing,
-            SubscriptionStatus::Active => Self::Active,
-            SubscriptionStatus::PastDue => Self::PastDue,
-            SubscriptionStatus::Canceled => Self::Canceled,
-            SubscriptionStatus::Unpaid => Self::Unpaid,
-            SubscriptionStatus::Paused => Self::Paused,
-        }
-    }
-}
-
-impl From<CancellationDetailsReason> for StripeCancellationReason {
-    fn from(value: CancellationDetailsReason) -> Self {
-        match value {
-            CancellationDetailsReason::CancellationRequested => Self::CancellationRequested,
-            CancellationDetailsReason::PaymentDisputed => Self::PaymentDisputed,
-            CancellationDetailsReason::PaymentFailed => Self::PaymentFailed,
-        }
-    }
-}
-
-/// Finds or creates a billing customer using the provided customer.
-pub async fn find_or_create_billing_customer(
-    app: &Arc<AppState>,
-    stripe_client: &dyn StripeClient,
-    customer_id: &StripeCustomerId,
-) -> anyhow::Result<Option<billing_customer::Model>> {
-    // If we already have a billing customer record associated with the Stripe customer,
-    // there's nothing more we need to do.
-    if let Some(billing_customer) = app
-        .db
-        .get_billing_customer_by_stripe_customer_id(customer_id.0.as_ref())
-        .await?
-    {
-        return Ok(Some(billing_customer));
-    }
-
-    let customer = stripe_client.get_customer(customer_id).await?;
-
-    let Some(email) = customer.email else {
-        return Ok(None);
-    };
-
-    let Some(user) = app.db.get_user_by_email(&email).await? else {
-        return Ok(None);
-    };
-
-    let billing_customer = app
-        .db
-        .create_billing_customer(&CreateBillingCustomerParams {
-            user_id: user.id,
-            stripe_customer_id: customer.id.to_string(),
-        })
-        .await?;
-
-    Ok(Some(billing_customer))
-}
-
-const SYNC_LLM_REQUEST_USAGE_WITH_STRIPE_INTERVAL: Duration = Duration::from_secs(60);
-
-pub fn sync_llm_request_usage_with_stripe_periodically(app: Arc<AppState>) {
-    let Some(stripe_billing) = app.stripe_billing.clone() else {
-        log::warn!("failed to retrieve Stripe billing object");
-        return;
-    };
-    let Some(llm_db) = app.llm_db.clone() else {
-        log::warn!("failed to retrieve LLM database");
-        return;
-    };
-
-    let executor = app.executor.clone();
-    executor.spawn_detached({
-        let executor = executor.clone();
-        async move {
-            loop {
-                sync_model_request_usage_with_stripe(&app, &llm_db, &stripe_billing)
-                    .await
-                    .context("failed to sync LLM request usage to Stripe")
-                    .trace_err();
-                executor
-                    .sleep(SYNC_LLM_REQUEST_USAGE_WITH_STRIPE_INTERVAL)
-                    .await;
-            }
-        }
-    });
-}
-
-async fn sync_model_request_usage_with_stripe(
-    app: &Arc<AppState>,
-    llm_db: &Arc<LlmDatabase>,
-    stripe_billing: &Arc<StripeBilling>,
-) -> anyhow::Result<()> {
-    let feature_flags = app.db.list_feature_flags().await?;
-    let sync_model_request_usage_using_cloud = feature_flags
-        .iter()
-        .any(|flag| flag.flag == "cloud-stripe-usage-meters-sync" && flag.enabled_for_all);
-    if sync_model_request_usage_using_cloud {
-        return Ok(());
-    }
-
-    log::info!("Stripe usage sync: Starting");
-    let started_at = Utc::now();
-
-    let staff_users = app.db.get_staff_users().await?;
-    let staff_user_ids = staff_users
-        .iter()
-        .map(|user| user.id)
-        .collect::<HashSet<UserId>>();
-
-    let usage_meters = llm_db
-        .get_current_subscription_usage_meters(Utc::now())
-        .await?;
-    let mut usage_meters_by_user_id =
-        HashMap::<UserId, Vec<subscription_usage_meter::Model>>::default();
-    for (usage_meter, usage) in usage_meters {
-        let meters = usage_meters_by_user_id.entry(usage.user_id).or_default();
-        meters.push(usage_meter);
-    }
-
-    log::info!("Stripe usage sync: Retrieving Zed Pro subscriptions");
-    let get_zed_pro_subscriptions_started_at = Utc::now();
-    let billing_subscriptions = app.db.get_active_zed_pro_billing_subscriptions().await?;
-    log::info!(
-        "Stripe usage sync: Retrieved {} Zed Pro subscriptions in {}",
-        billing_subscriptions.len(),
-        Utc::now() - get_zed_pro_subscriptions_started_at
-    );
-
-    let claude_sonnet_4 = stripe_billing
-        .find_price_by_lookup_key("claude-sonnet-4-requests")
-        .await?;
-    let claude_sonnet_4_max = stripe_billing
-        .find_price_by_lookup_key("claude-sonnet-4-requests-max")
-        .await?;
-    let claude_opus_4 = stripe_billing
-        .find_price_by_lookup_key("claude-opus-4-requests")
-        .await?;
-    let claude_opus_4_max = stripe_billing
-        .find_price_by_lookup_key("claude-opus-4-requests-max")
-        .await?;
-    let claude_3_5_sonnet = stripe_billing
-        .find_price_by_lookup_key("claude-3-5-sonnet-requests")
-        .await?;
-    let claude_3_7_sonnet = stripe_billing
-        .find_price_by_lookup_key("claude-3-7-sonnet-requests")
-        .await?;
-    let claude_3_7_sonnet_max = stripe_billing
-        .find_price_by_lookup_key("claude-3-7-sonnet-requests-max")
-        .await?;
-
-    let model_mode_combinations = [
-        ("claude-opus-4", CompletionMode::Max),
-        ("claude-opus-4", CompletionMode::Normal),
-        ("claude-sonnet-4", CompletionMode::Max),
-        ("claude-sonnet-4", CompletionMode::Normal),
-        ("claude-3-7-sonnet", CompletionMode::Max),
-        ("claude-3-7-sonnet", CompletionMode::Normal),
-        ("claude-3-5-sonnet", CompletionMode::Normal),
-    ];
-
-    let billing_subscription_count = billing_subscriptions.len();
-
-    log::info!("Stripe usage sync: Syncing {billing_subscription_count} Zed Pro subscriptions");
-
-    for (user_id, (billing_customer, billing_subscription)) in billing_subscriptions {
-        maybe!(async {
-            if staff_user_ids.contains(&user_id) {
-                return anyhow::Ok(());
-            }
-
-            let stripe_customer_id =
-                StripeCustomerId(billing_customer.stripe_customer_id.clone().into());
-            let stripe_subscription_id =
-                StripeSubscriptionId(billing_subscription.stripe_subscription_id.clone().into());
-
-            let usage_meters = usage_meters_by_user_id.get(&user_id);
-
-            for (model, mode) in &model_mode_combinations {
-                let Ok(model) =
-                    llm_db.model(LanguageModelProvider::Anthropic, model)
-                else {
-                    log::warn!("Failed to load model for user {user_id}: {model}");
-                    continue;
-                };
-
-                let (price, meter_event_name) = match model.name.as_str() {
-                    "claude-opus-4" => match mode {
-                        CompletionMode::Normal => (&claude_opus_4, "claude_opus_4/requests"),
-                        CompletionMode::Max => (&claude_opus_4_max, "claude_opus_4/requests/max"),
-                    },
-                    "claude-sonnet-4" => match mode {
-                        CompletionMode::Normal => (&claude_sonnet_4, "claude_sonnet_4/requests"),
-                        CompletionMode::Max => {
-                            (&claude_sonnet_4_max, "claude_sonnet_4/requests/max")
-                        }
-                    },
-                    "claude-3-5-sonnet" => (&claude_3_5_sonnet, "claude_3_5_sonnet/requests"),
-                    "claude-3-7-sonnet" => match mode {
-                        CompletionMode::Normal => {
-                            (&claude_3_7_sonnet, "claude_3_7_sonnet/requests")
-                        }
-                        CompletionMode::Max => {
-                            (&claude_3_7_sonnet_max, "claude_3_7_sonnet/requests/max")
-                        }
-                    },
-                    model_name => {
-                        bail!("Attempted to sync usage meter for unsupported model: {model_name:?}")
-                    }
-                };
-
-                let model_requests = usage_meters
-                    .and_then(|usage_meters| {
-                        usage_meters
-                            .iter()
-                            .find(|meter| meter.model_id == model.id && meter.mode == *mode)
-                    })
-                    .map(|usage_meter| usage_meter.requests)
-                    .unwrap_or(0);
-
-                if model_requests > 0 {
-                    stripe_billing
-                        .subscribe_to_price(&stripe_subscription_id, price)
-                        .await?;
-                }
-
-                stripe_billing
-                    .bill_model_request_usage(&stripe_customer_id, meter_event_name, model_requests)
-                    .await
-                    .with_context(|| {
-                        format!(
-                            "Failed to bill model request usage of {model_requests} for {stripe_customer_id}: {meter_event_name}",
-                        )
-                    })?;
-            }
-
-            Ok(())
-        })
-        .await
-        .log_err();
-    }
-
-    log::info!(
-        "Stripe usage sync: Synced {billing_subscription_count} Zed Pro subscriptions in {}",
-        Utc::now() - started_at
-    );
-
-    Ok(())
-}
diff --git a/crates/collab/src/api/events.rs b/crates/collab/src/api/events.rs
index bc7dd152b0..da78a98069 100644
--- a/crates/collab/src/api/events.rs
+++ b/crates/collab/src/api/events.rs
@@ -149,35 +149,35 @@ pub async fn post_crash(
         "crash report"
     );
 
-    if let Some(kinesis_client) = app.kinesis_client.clone() {
-        if let Some(stream) = app.config.kinesis_stream.clone() {
-            let properties = json!({
-                "app_version": report.header.app_version,
-                "os_version": report.header.os_version,
-                "os_name": "macOS",
-                "bundle_id": report.header.bundle_id,
-                "incident_id": report.header.incident_id,
-                "installation_id": installation_id,
-                "description": description,
-                "backtrace": summary,
-            });
-            let row = SnowflakeRow::new(
-                "Crash Reported",
-                None,
-                false,
-                Some(installation_id),
-                properties,
-            );
-            let data = serde_json::to_vec(&row)?;
-            kinesis_client
-                .put_record()
-                .stream_name(stream)
-                .partition_key(row.insert_id.unwrap_or_default())
-                .data(data.into())
-                .send()
-                .await
-                .log_err();
-        }
+    if let Some(kinesis_client) = app.kinesis_client.clone()
+        && let Some(stream) = app.config.kinesis_stream.clone()
+    {
+        let properties = json!({
+            "app_version": report.header.app_version,
+            "os_version": report.header.os_version,
+            "os_name": "macOS",
+            "bundle_id": report.header.bundle_id,
+            "incident_id": report.header.incident_id,
+            "installation_id": installation_id,
+            "description": description,
+            "backtrace": summary,
+        });
+        let row = SnowflakeRow::new(
+            "Crash Reported",
+            None,
+            false,
+            Some(installation_id),
+            properties,
+        );
+        let data = serde_json::to_vec(&row)?;
+        kinesis_client
+            .put_record()
+            .stream_name(stream)
+            .partition_key(row.insert_id.unwrap_or_default())
+            .data(data.into())
+            .send()
+            .await
+            .log_err();
     }
 
     if let Some(slack_panics_webhook) = app.config.slack_panics_webhook.clone() {
@@ -280,7 +280,7 @@ pub async fn post_hang(
         service = "client",
         version = %report.app_version.unwrap_or_default().to_string(),
         os_name = %report.os_name,
-        os_version = report.os_version.unwrap_or_default().to_string(),
+        os_version = report.os_version.unwrap_or_default(),
         incident_id = %incident_id,
         installation_id = %report.installation_id.unwrap_or_default(),
         backtrace = %backtrace,
@@ -359,34 +359,34 @@ pub async fn post_panic(
         "panic report"
     );
 
-    if let Some(kinesis_client) = app.kinesis_client.clone() {
-        if let Some(stream) = app.config.kinesis_stream.clone() {
-            let properties = json!({
-                "app_version": panic.app_version,
-                "os_name": panic.os_name,
-                "os_version": panic.os_version,
-                "incident_id": incident_id,
-                "installation_id": panic.installation_id,
-                "description": panic.payload,
-                "backtrace": backtrace,
-            });
-            let row = SnowflakeRow::new(
-                "Panic Reported",
-                None,
-                false,
-                panic.installation_id.clone(),
-                properties,
-            );
-            let data = serde_json::to_vec(&row)?;
-            kinesis_client
-                .put_record()
-                .stream_name(stream)
-                .partition_key(row.insert_id.unwrap_or_default())
-                .data(data.into())
-                .send()
-                .await
-                .log_err();
-        }
+    if let Some(kinesis_client) = app.kinesis_client.clone()
+        && let Some(stream) = app.config.kinesis_stream.clone()
+    {
+        let properties = json!({
+            "app_version": panic.app_version,
+            "os_name": panic.os_name,
+            "os_version": panic.os_version,
+            "incident_id": incident_id,
+            "installation_id": panic.installation_id,
+            "description": panic.payload,
+            "backtrace": backtrace,
+        });
+        let row = SnowflakeRow::new(
+            "Panic Reported",
+            None,
+            false,
+            panic.installation_id.clone(),
+            properties,
+        );
+        let data = serde_json::to_vec(&row)?;
+        kinesis_client
+            .put_record()
+            .stream_name(stream)
+            .partition_key(row.insert_id.unwrap_or_default())
+            .data(data.into())
+            .send()
+            .await
+            .log_err();
     }
 
     if !report_to_slack(&panic) {
@@ -518,31 +518,31 @@ pub async fn post_events(
     let first_event_at = chrono::Utc::now()
         - chrono::Duration::milliseconds(last_event.milliseconds_since_first_event);
 
-    if let Some(kinesis_client) = app.kinesis_client.clone() {
-        if let Some(stream) = app.config.kinesis_stream.clone() {
-            let mut request = kinesis_client.put_records().stream_name(stream);
-            let mut has_records = false;
-            for row in for_snowflake(
-                request_body.clone(),
-                first_event_at,
-                country_code.clone(),
-                checksum_matched,
-            ) {
-                if let Some(data) = serde_json::to_vec(&row).log_err() {
-                    request = request.records(
-                        aws_sdk_kinesis::types::PutRecordsRequestEntry::builder()
-                            .partition_key(request_body.system_id.clone().unwrap_or_default())
-                            .data(data.into())
-                            .build()
-                            .unwrap(),
-                    );
-                    has_records = true;
-                }
-            }
-            if has_records {
-                request.send().await.log_err();
+    if let Some(kinesis_client) = app.kinesis_client.clone()
+        && let Some(stream) = app.config.kinesis_stream.clone()
+    {
+        let mut request = kinesis_client.put_records().stream_name(stream);
+        let mut has_records = false;
+        for row in for_snowflake(
+            request_body.clone(),
+            first_event_at,
+            country_code.clone(),
+            checksum_matched,
+        ) {
+            if let Some(data) = serde_json::to_vec(&row).log_err() {
+                request = request.records(
+                    aws_sdk_kinesis::types::PutRecordsRequestEntry::builder()
+                        .partition_key(request_body.system_id.clone().unwrap_or_default())
+                        .data(data.into())
+                        .build()
+                        .unwrap(),
+                );
+                has_records = true;
             }
         }
+        if has_records {
+            request.send().await.log_err();
+        }
     };
 
     Ok(())
@@ -564,170 +564,10 @@ fn for_snowflake(
     country_code: Option<String>,
     checksum_matched: bool,
 ) -> impl Iterator<Item = SnowflakeRow> {
-    body.events.into_iter().filter_map(move |event| {
+    body.events.into_iter().map(move |event| {
         let timestamp =
             first_event_at + Duration::milliseconds(event.milliseconds_since_first_event);
-        // We will need to double check, but I believe all of the events that
-        // are being transformed here are now migrated over to use the
-        // telemetry::event! macro, as of this commit so this code can go away
-        // when we feel enough users have upgraded past this point.
         let (event_type, mut event_properties) = match &event.event {
-            Event::Editor(e) => (
-                match e.operation.as_str() {
-                    "open" => "Editor Opened".to_string(),
-                    "save" => "Editor Saved".to_string(),
-                    _ => format!("Unknown Editor Event: {}", e.operation),
-                },
-                serde_json::to_value(e).unwrap(),
-            ),
-            Event::InlineCompletion(e) => (
-                format!(
-                    "Edit Prediction {}",
-                    if e.suggestion_accepted {
-                        "Accepted"
-                    } else {
-                        "Discarded"
-                    }
-                ),
-                serde_json::to_value(e).unwrap(),
-            ),
-            Event::InlineCompletionRating(e) => (
-                "Edit Prediction Rated".to_string(),
-                serde_json::to_value(e).unwrap(),
-            ),
-            Event::Call(e) => {
-                let event_type = match e.operation.trim() {
-                    "unshare project" => "Project Unshared".to_string(),
-                    "open channel notes" => "Channel Notes Opened".to_string(),
-                    "share project" => "Project Shared".to_string(),
-                    "join channel" => "Channel Joined".to_string(),
-                    "hang up" => "Call Ended".to_string(),
-                    "accept incoming" => "Incoming Call Accepted".to_string(),
-                    "invite" => "Participant Invited".to_string(),
-                    "disable microphone" => "Microphone Disabled".to_string(),
-                    "enable microphone" => "Microphone Enabled".to_string(),
-                    "enable screen share" => "Screen Share Enabled".to_string(),
-                    "disable screen share" => "Screen Share Disabled".to_string(),
-                    "decline incoming" => "Incoming Call Declined".to_string(),
-                    _ => format!("Unknown Call Event: {}", e.operation),
-                };
-
-                (event_type, serde_json::to_value(e).unwrap())
-            }
-            Event::Assistant(e) => (
-                match e.phase {
-                    telemetry_events::AssistantPhase::Response => "Assistant Responded".to_string(),
-                    telemetry_events::AssistantPhase::Invoked => "Assistant Invoked".to_string(),
-                    telemetry_events::AssistantPhase::Accepted => {
-                        "Assistant Response Accepted".to_string()
-                    }
-                    telemetry_events::AssistantPhase::Rejected => {
-                        "Assistant Response Rejected".to_string()
-                    }
-                },
-                serde_json::to_value(e).unwrap(),
-            ),
-            Event::Cpu(_) | Event::Memory(_) => return None,
-            Event::App(e) => {
-                let mut properties = json!({});
-                let event_type = match e.operation.trim() {
-                    // App
-                    "open" => "App Opened".to_string(),
-                    "first open" => "App First Opened".to_string(),
-                    "first open for release channel" => {
-                        "App First Opened For Release Channel".to_string()
-                    }
-                    "close" => "App Closed".to_string(),
-
-                    // Project
-                    "open project" => "Project Opened".to_string(),
-                    "open node project" => {
-                        properties["project_type"] = json!("node");
-                        "Project Opened".to_string()
-                    }
-                    "open pnpm project" => {
-                        properties["project_type"] = json!("pnpm");
-                        "Project Opened".to_string()
-                    }
-                    "open yarn project" => {
-                        properties["project_type"] = json!("yarn");
-                        "Project Opened".to_string()
-                    }
-
-                    // SSH
-                    "create ssh server" => "SSH Server Created".to_string(),
-                    "create ssh project" => "SSH Project Created".to_string(),
-                    "open ssh project" => "SSH Project Opened".to_string(),
-
-                    // Welcome Page
-                    "welcome page: change keymap" => "Welcome Keymap Changed".to_string(),
-                    "welcome page: change theme" => "Welcome Theme Changed".to_string(),
-                    "welcome page: close" => "Welcome Page Closed".to_string(),
-                    "welcome page: edit settings" => "Welcome Settings Edited".to_string(),
-                    "welcome page: install cli" => "Welcome CLI Installed".to_string(),
-                    "welcome page: open" => "Welcome Page Opened".to_string(),
-                    "welcome page: open extensions" => "Welcome Extensions Page Opened".to_string(),
-                    "welcome page: sign in to copilot" => "Welcome Copilot Signed In".to_string(),
-                    "welcome page: toggle diagnostic telemetry" => {
-                        "Welcome Diagnostic Telemetry Toggled".to_string()
-                    }
-                    "welcome page: toggle metric telemetry" => {
-                        "Welcome Metric Telemetry Toggled".to_string()
-                    }
-                    "welcome page: toggle vim" => "Welcome Vim Mode Toggled".to_string(),
-                    "welcome page: view docs" => "Welcome Documentation Viewed".to_string(),
-
-                    // Extensions
-                    "extensions page: open" => "Extensions Page Opened".to_string(),
-                    "extensions: install extension" => "Extension Installed".to_string(),
-                    "extensions: uninstall extension" => "Extension Uninstalled".to_string(),
-
-                    // Misc
-                    "markdown preview: open" => "Markdown Preview Opened".to_string(),
-                    "project diagnostics: open" => "Project Diagnostics Opened".to_string(),
-                    "project search: open" => "Project Search Opened".to_string(),
-                    "repl sessions: open" => "REPL Session Started".to_string(),
-
-                    // Feature Upsell
-                    "feature upsell: toggle vim" => {
-                        properties["source"] = json!("Feature Upsell");
-                        "Vim Mode Toggled".to_string()
-                    }
-                    _ => e
-                        .operation
-                        .strip_prefix("feature upsell: viewed docs (")
-                        .and_then(|s| s.strip_suffix(')'))
-                        .map_or_else(
-                            || format!("Unknown App Event: {}", e.operation),
-                            |docs_url| {
-                                properties["url"] = json!(docs_url);
-                                properties["source"] = json!("Feature Upsell");
-                                "Documentation Viewed".to_string()
-                            },
-                        ),
-                };
-                (event_type, properties)
-            }
-            Event::Setting(e) => (
-                "Settings Changed".to_string(),
-                serde_json::to_value(e).unwrap(),
-            ),
-            Event::Extension(e) => (
-                "Extension Loaded".to_string(),
-                serde_json::to_value(e).unwrap(),
-            ),
-            Event::Edit(e) => (
-                "Editor Edited".to_string(),
-                serde_json::to_value(e).unwrap(),
-            ),
-            Event::Action(e) => (
-                "Action Invoked".to_string(),
-                serde_json::to_value(e).unwrap(),
-            ),
-            Event::Repl(e) => (
-                "Kernel Status Changed".to_string(),
-                serde_json::to_value(e).unwrap(),
-            ),
             Event::Flexible(e) => (
                 e.event_type.clone(),
                 serde_json::to_value(&e.event_properties).unwrap(),
@@ -759,7 +599,7 @@ fn for_snowflake(
             })
         });
 
-        Some(SnowflakeRow {
+        SnowflakeRow {
             time: timestamp,
             user_id: body.metrics_id.clone(),
             device_id: body.system_id.clone(),
@@ -767,7 +607,7 @@ fn for_snowflake(
             event_properties,
             user_properties,
             insert_id: Some(Uuid::new_v4().to_string()),
-        })
+        }
     })
 }
 
diff --git a/crates/collab/src/api/extensions.rs b/crates/collab/src/api/extensions.rs
index 9170c39e47..1ace433db2 100644
--- a/crates/collab/src/api/extensions.rs
+++ b/crates/collab/src/api/extensions.rs
@@ -337,8 +337,7 @@ async fn fetch_extensions_from_blob_store(
             if known_versions
                 .binary_search_by_key(&published_version, |known_version| known_version)
                 .is_err()
-            {
-                if let Some(extension) = fetch_extension_manifest(
+                && let Some(extension) = fetch_extension_manifest(
                     blob_store_client,
                     blob_store_bucket,
                     extension_id,
@@ -346,12 +345,11 @@ async fn fetch_extensions_from_blob_store(
                 )
                 .await
                 .log_err()
-                {
-                    new_versions
-                        .entry(extension_id)
-                        .or_default()
-                        .push(extension);
-                }
+            {
+                new_versions
+                    .entry(extension_id)
+                    .or_default()
+                    .push(extension);
             }
         }
     }
diff --git a/crates/collab/src/auth.rs b/crates/collab/src/auth.rs
index 00f37c6758..e484d6b510 100644
--- a/crates/collab/src/auth.rs
+++ b/crates/collab/src/auth.rs
@@ -79,27 +79,27 @@ pub async fn validate_header<B>(mut req: Request<B>, next: Next<B>) -> impl Into
         verify_access_token(access_token, user_id, &state.db).await
     };
 
-    if let Ok(validate_result) = validate_result {
-        if validate_result.is_valid {
-            let user = state
-                .db
-                .get_user_by_id(user_id)
-                .await?
-                .with_context(|| format!("user {user_id} not found"))?;
+    if let Ok(validate_result) = validate_result
+        && validate_result.is_valid
+    {
+        let user = state
+            .db
+            .get_user_by_id(user_id)
+            .await?
+            .with_context(|| format!("user {user_id} not found"))?;
 
-            if let Some(impersonator_id) = validate_result.impersonator_id {
-                let admin = state
-                    .db
-                    .get_user_by_id(impersonator_id)
-                    .await?
-                    .with_context(|| format!("user {impersonator_id} not found"))?;
-                req.extensions_mut()
-                    .insert(Principal::Impersonated { user, admin });
-            } else {
-                req.extensions_mut().insert(Principal::User(user));
-            };
-            return Ok::<_, Error>(next.run(req).await);
-        }
+        if let Some(impersonator_id) = validate_result.impersonator_id {
+            let admin = state
+                .db
+                .get_user_by_id(impersonator_id)
+                .await?
+                .with_context(|| format!("user {impersonator_id} not found"))?;
+            req.extensions_mut()
+                .insert(Principal::Impersonated { user, admin });
+        } else {
+            req.extensions_mut().insert(Principal::User(user));
+        };
+        return Ok::<_, Error>(next.run(req).await);
     }
 
     Err(Error::http(
@@ -236,7 +236,7 @@ mod test {
 
     #[gpui::test]
     async fn test_verify_access_token(cx: &mut gpui::TestAppContext) {
-        let test_db = crate::db::TestDb::sqlite(cx.executor().clone());
+        let test_db = crate::db::TestDb::sqlite(cx.executor());
         let db = test_db.db();
 
         let user = db
diff --git a/crates/collab/src/db.rs b/crates/collab/src/db.rs
index 8cd1e3ea83..95a485305c 100644
--- a/crates/collab/src/db.rs
+++ b/crates/collab/src/db.rs
@@ -41,12 +41,7 @@ use worktree_settings_file::LocalSettingsKind;
 pub use tests::TestDb;
 
 pub use ids::*;
-pub use queries::billing_customers::{CreateBillingCustomerParams, UpdateBillingCustomerParams};
-pub use queries::billing_subscriptions::{
-    CreateBillingSubscriptionParams, UpdateBillingSubscriptionParams,
-};
 pub use queries::contributors::ContributorSelector;
-pub use queries::processed_stripe_events::CreateProcessedStripeEventParams;
 pub use sea_orm::ConnectOptions;
 pub use tables::user::Model as User;
 pub use tables::*;
@@ -529,11 +524,17 @@ pub struct RejoinedProject {
     pub worktrees: Vec<RejoinedWorktree>,
     pub updated_repositories: Vec<proto::UpdateRepository>,
     pub removed_repositories: Vec<u64>,
-    pub language_servers: Vec<proto::LanguageServer>,
+    pub language_servers: Vec<LanguageServer>,
 }
 
 impl RejoinedProject {
     pub fn to_proto(&self) -> proto::RejoinedProject {
+        let (language_servers, language_server_capabilities) = self
+            .language_servers
+            .clone()
+            .into_iter()
+            .map(|server| (server.server, server.capabilities))
+            .unzip();
         proto::RejoinedProject {
             id: self.id.to_proto(),
             worktrees: self
@@ -551,7 +552,8 @@ impl RejoinedProject {
                 .iter()
                 .map(|collaborator| collaborator.to_proto())
                 .collect(),
-            language_servers: self.language_servers.clone(),
+            language_servers,
+            language_server_capabilities,
         }
     }
 }
@@ -598,7 +600,7 @@ pub struct Project {
     pub collaborators: Vec<ProjectCollaborator>,
     pub worktrees: BTreeMap<u64, Worktree>,
     pub repositories: Vec<proto::UpdateRepository>,
-    pub language_servers: Vec<proto::LanguageServer>,
+    pub language_servers: Vec<LanguageServer>,
 }
 
 pub struct ProjectCollaborator {
@@ -623,6 +625,12 @@ impl ProjectCollaborator {
     }
 }
 
+#[derive(Debug, Clone)]
+pub struct LanguageServer {
+    pub server: proto::LanguageServer,
+    pub capabilities: String,
+}
+
 #[derive(Debug)]
 pub struct LeftProject {
     pub id: ProjectId,
@@ -677,7 +685,7 @@ impl LocalSettingsKind {
         }
     }
 
-    pub fn to_proto(&self) -> proto::LocalSettingsKind {
+    pub fn to_proto(self) -> proto::LocalSettingsKind {
         match self {
             Self::Settings => proto::LocalSettingsKind::Settings,
             Self::Tasks => proto::LocalSettingsKind::Tasks,
diff --git a/crates/collab/src/db/ids.rs b/crates/collab/src/db/ids.rs
index 2ba7ec1051..8f116cfd63 100644
--- a/crates/collab/src/db/ids.rs
+++ b/crates/collab/src/db/ids.rs
@@ -70,9 +70,6 @@ macro_rules! id_type {
 }
 
 id_type!(AccessTokenId);
-id_type!(BillingCustomerId);
-id_type!(BillingSubscriptionId);
-id_type!(BillingPreferencesId);
 id_type!(BufferId);
 id_type!(ChannelBufferCollaboratorId);
 id_type!(ChannelChatParticipantId);
diff --git a/crates/collab/src/db/queries.rs b/crates/collab/src/db/queries.rs
index 64b627e475..95e45dc004 100644
--- a/crates/collab/src/db/queries.rs
+++ b/crates/collab/src/db/queries.rs
@@ -1,9 +1,6 @@
 use super::*;
 
 pub mod access_tokens;
-pub mod billing_customers;
-pub mod billing_preferences;
-pub mod billing_subscriptions;
 pub mod buffers;
 pub mod channels;
 pub mod contacts;
@@ -12,7 +9,6 @@ pub mod embeddings;
 pub mod extensions;
 pub mod messages;
 pub mod notifications;
-pub mod processed_stripe_events;
 pub mod projects;
 pub mod rooms;
 pub mod servers;
diff --git a/crates/collab/src/db/queries/billing_customers.rs b/crates/collab/src/db/queries/billing_customers.rs
deleted file mode 100644
index ead9e6cd32..0000000000
--- a/crates/collab/src/db/queries/billing_customers.rs
+++ /dev/null
@@ -1,100 +0,0 @@
-use super::*;
-
-#[derive(Debug)]
-pub struct CreateBillingCustomerParams {
-    pub user_id: UserId,
-    pub stripe_customer_id: String,
-}
-
-#[derive(Debug, Default)]
-pub struct UpdateBillingCustomerParams {
-    pub user_id: ActiveValue<UserId>,
-    pub stripe_customer_id: ActiveValue<String>,
-    pub has_overdue_invoices: ActiveValue<bool>,
-    pub trial_started_at: ActiveValue<Option<DateTime>>,
-}
-
-impl Database {
-    /// Creates a new billing customer.
-    pub async fn create_billing_customer(
-        &self,
-        params: &CreateBillingCustomerParams,
-    ) -> Result<billing_customer::Model> {
-        self.transaction(|tx| async move {
-            let customer = billing_customer::Entity::insert(billing_customer::ActiveModel {
-                user_id: ActiveValue::set(params.user_id),
-                stripe_customer_id: ActiveValue::set(params.stripe_customer_id.clone()),
-                ..Default::default()
-            })
-            .exec_with_returning(&*tx)
-            .await?;
-
-            Ok(customer)
-        })
-        .await
-    }
-
-    /// Updates the specified billing customer.
-    pub async fn update_billing_customer(
-        &self,
-        id: BillingCustomerId,
-        params: &UpdateBillingCustomerParams,
-    ) -> Result<()> {
-        self.transaction(|tx| async move {
-            billing_customer::Entity::update(billing_customer::ActiveModel {
-                id: ActiveValue::set(id),
-                user_id: params.user_id.clone(),
-                stripe_customer_id: params.stripe_customer_id.clone(),
-                has_overdue_invoices: params.has_overdue_invoices.clone(),
-                trial_started_at: params.trial_started_at.clone(),
-                created_at: ActiveValue::not_set(),
-            })
-            .exec(&*tx)
-            .await?;
-
-            Ok(())
-        })
-        .await
-    }
-
-    pub async fn get_billing_customer_by_id(
-        &self,
-        id: BillingCustomerId,
-    ) -> Result<Option<billing_customer::Model>> {
-        self.transaction(|tx| async move {
-            Ok(billing_customer::Entity::find()
-                .filter(billing_customer::Column::Id.eq(id))
-                .one(&*tx)
-                .await?)
-        })
-        .await
-    }
-
-    /// Returns the billing customer for the user with the specified ID.
-    pub async fn get_billing_customer_by_user_id(
-        &self,
-        user_id: UserId,
-    ) -> Result<Option<billing_customer::Model>> {
-        self.transaction(|tx| async move {
-            Ok(billing_customer::Entity::find()
-                .filter(billing_customer::Column::UserId.eq(user_id))
-                .one(&*tx)
-                .await?)
-        })
-        .await
-    }
-
-    /// Returns the billing customer for the user with the specified Stripe customer ID.
-    pub async fn get_billing_customer_by_stripe_customer_id(
-        &self,
-        stripe_customer_id: &str,
-    ) -> Result<Option<billing_customer::Model>> {
-        self.transaction(|tx| async move {
-            Ok(billing_customer::Entity::find()
-                .filter(billing_customer::Column::StripeCustomerId.eq(stripe_customer_id))
-                .one(&*tx)
-                .await?)
-        })
-        .await
-    }
-}
diff --git a/crates/collab/src/db/queries/billing_preferences.rs b/crates/collab/src/db/queries/billing_preferences.rs
deleted file mode 100644
index f370964ecd..0000000000
--- a/crates/collab/src/db/queries/billing_preferences.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-use super::*;
-
-impl Database {
-    /// Returns the billing preferences for the given user, if they exist.
-    pub async fn get_billing_preferences(
-        &self,
-        user_id: UserId,
-    ) -> Result<Option<billing_preference::Model>> {
-        self.transaction(|tx| async move {
-            Ok(billing_preference::Entity::find()
-                .filter(billing_preference::Column::UserId.eq(user_id))
-                .one(&*tx)
-                .await?)
-        })
-        .await
-    }
-}
diff --git a/crates/collab/src/db/queries/billing_subscriptions.rs b/crates/collab/src/db/queries/billing_subscriptions.rs
deleted file mode 100644
index 9f82e3dbc4..0000000000
--- a/crates/collab/src/db/queries/billing_subscriptions.rs
+++ /dev/null
@@ -1,284 +0,0 @@
-use anyhow::Context as _;
-
-use crate::db::billing_subscription::{
-    StripeCancellationReason, StripeSubscriptionStatus, SubscriptionKind,
-};
-
-use super::*;
-
-#[derive(Debug)]
-pub struct CreateBillingSubscriptionParams {
-    pub billing_customer_id: BillingCustomerId,
-    pub kind: Option<SubscriptionKind>,
-    pub stripe_subscription_id: String,
-    pub stripe_subscription_status: StripeSubscriptionStatus,
-    pub stripe_cancellation_reason: Option<StripeCancellationReason>,
-    pub stripe_current_period_start: Option<i64>,
-    pub stripe_current_period_end: Option<i64>,
-}
-
-#[derive(Debug, Default)]
-pub struct UpdateBillingSubscriptionParams {
-    pub billing_customer_id: ActiveValue<BillingCustomerId>,
-    pub kind: ActiveValue<Option<SubscriptionKind>>,
-    pub stripe_subscription_id: ActiveValue<String>,
-    pub stripe_subscription_status: ActiveValue<StripeSubscriptionStatus>,
-    pub stripe_cancel_at: ActiveValue<Option<DateTime>>,
-    pub stripe_cancellation_reason: ActiveValue<Option<StripeCancellationReason>>,
-    pub stripe_current_period_start: ActiveValue<Option<i64>>,
-    pub stripe_current_period_end: ActiveValue<Option<i64>>,
-}
-
-impl Database {
-    /// Creates a new billing subscription.
-    pub async fn create_billing_subscription(
-        &self,
-        params: &CreateBillingSubscriptionParams,
-    ) -> Result<billing_subscription::Model> {
-        self.transaction(|tx| async move {
-            let id = billing_subscription::Entity::insert(billing_subscription::ActiveModel {
-                billing_customer_id: ActiveValue::set(params.billing_customer_id),
-                kind: ActiveValue::set(params.kind),
-                stripe_subscription_id: ActiveValue::set(params.stripe_subscription_id.clone()),
-                stripe_subscription_status: ActiveValue::set(params.stripe_subscription_status),
-                stripe_cancellation_reason: ActiveValue::set(params.stripe_cancellation_reason),
-                stripe_current_period_start: ActiveValue::set(params.stripe_current_period_start),
-                stripe_current_period_end: ActiveValue::set(params.stripe_current_period_end),
-                ..Default::default()
-            })
-            .exec(&*tx)
-            .await?
-            .last_insert_id;
-
-            Ok(billing_subscription::Entity::find_by_id(id)
-                .one(&*tx)
-                .await?
-                .context("failed to retrieve inserted billing subscription")?)
-        })
-        .await
-    }
-
-    /// Updates the specified billing subscription.
-    pub async fn update_billing_subscription(
-        &self,
-        id: BillingSubscriptionId,
-        params: &UpdateBillingSubscriptionParams,
-    ) -> Result<()> {
-        self.transaction(|tx| async move {
-            billing_subscription::Entity::update(billing_subscription::ActiveModel {
-                id: ActiveValue::set(id),
-                billing_customer_id: params.billing_customer_id.clone(),
-                kind: params.kind.clone(),
-                stripe_subscription_id: params.stripe_subscription_id.clone(),
-                stripe_subscription_status: params.stripe_subscription_status.clone(),
-                stripe_cancel_at: params.stripe_cancel_at.clone(),
-                stripe_cancellation_reason: params.stripe_cancellation_reason.clone(),
-                stripe_current_period_start: params.stripe_current_period_start.clone(),
-                stripe_current_period_end: params.stripe_current_period_end.clone(),
-                created_at: ActiveValue::not_set(),
-            })
-            .exec(&*tx)
-            .await?;
-
-            Ok(())
-        })
-        .await
-    }
-
-    /// Returns the billing subscription with the specified ID.
-    pub async fn get_billing_subscription_by_id(
-        &self,
-        id: BillingSubscriptionId,
-    ) -> Result<Option<billing_subscription::Model>> {
-        self.transaction(|tx| async move {
-            Ok(billing_subscription::Entity::find_by_id(id)
-                .one(&*tx)
-                .await?)
-        })
-        .await
-    }
-
-    /// Returns the billing subscription with the specified Stripe subscription ID.
-    pub async fn get_billing_subscription_by_stripe_subscription_id(
-        &self,
-        stripe_subscription_id: &str,
-    ) -> Result<Option<billing_subscription::Model>> {
-        self.transaction(|tx| async move {
-            Ok(billing_subscription::Entity::find()
-                .filter(
-                    billing_subscription::Column::StripeSubscriptionId.eq(stripe_subscription_id),
-                )
-                .one(&*tx)
-                .await?)
-        })
-        .await
-    }
-
-    pub async fn get_active_billing_subscription(
-        &self,
-        user_id: UserId,
-    ) -> Result<Option<billing_subscription::Model>> {
-        self.transaction(|tx| async move {
-            Ok(billing_subscription::Entity::find()
-                .inner_join(billing_customer::Entity)
-                .filter(billing_customer::Column::UserId.eq(user_id))
-                .filter(
-                    Condition::all()
-                        .add(
-                            Condition::any()
-                                .add(
-                                    billing_subscription::Column::StripeSubscriptionStatus
-                                        .eq(StripeSubscriptionStatus::Active),
-                                )
-                                .add(
-                                    billing_subscription::Column::StripeSubscriptionStatus
-                                        .eq(StripeSubscriptionStatus::Trialing),
-                                ),
-                        )
-                        .add(billing_subscription::Column::Kind.is_not_null()),
-                )
-                .one(&*tx)
-                .await?)
-        })
-        .await
-    }
-
-    /// Returns all of the billing subscriptions for the user with the specified ID.
-    ///
-    /// Note that this returns the subscriptions regardless of their status.
-    /// If you're wanting to check if a use has an active billing subscription,
-    /// use `get_active_billing_subscriptions` instead.
-    pub async fn get_billing_subscriptions(
-        &self,
-        user_id: UserId,
-    ) -> Result<Vec<billing_subscription::Model>> {
-        self.transaction(|tx| async move {
-            let subscriptions = billing_subscription::Entity::find()
-                .inner_join(billing_customer::Entity)
-                .filter(billing_customer::Column::UserId.eq(user_id))
-                .order_by_asc(billing_subscription::Column::Id)
-                .all(&*tx)
-                .await?;
-
-            Ok(subscriptions)
-        })
-        .await
-    }
-
-    pub async fn get_active_billing_subscriptions(
-        &self,
-        user_ids: HashSet<UserId>,
-    ) -> Result<HashMap<UserId, (billing_customer::Model, billing_subscription::Model)>> {
-        self.transaction(|tx| {
-            let user_ids = user_ids.clone();
-            async move {
-                let mut rows = billing_subscription::Entity::find()
-                    .inner_join(billing_customer::Entity)
-                    .select_also(billing_customer::Entity)
-                    .filter(billing_customer::Column::UserId.is_in(user_ids))
-                    .filter(
-                        billing_subscription::Column::StripeSubscriptionStatus
-                            .eq(StripeSubscriptionStatus::Active),
-                    )
-                    .filter(billing_subscription::Column::Kind.is_null())
-                    .order_by_asc(billing_subscription::Column::Id)
-                    .stream(&*tx)
-                    .await?;
-
-                let mut subscriptions = HashMap::default();
-                while let Some(row) = rows.next().await {
-                    if let (subscription, Some(customer)) = row? {
-                        subscriptions.insert(customer.user_id, (customer, subscription));
-                    }
-                }
-                Ok(subscriptions)
-            }
-        })
-        .await
-    }
-
-    pub async fn get_active_zed_pro_billing_subscriptions(
-        &self,
-    ) -> Result<HashMap<UserId, (billing_customer::Model, billing_subscription::Model)>> {
-        self.transaction(|tx| async move {
-            let mut rows = billing_subscription::Entity::find()
-                .inner_join(billing_customer::Entity)
-                .select_also(billing_customer::Entity)
-                .filter(
-                    billing_subscription::Column::StripeSubscriptionStatus
-                        .eq(StripeSubscriptionStatus::Active),
-                )
-                .filter(billing_subscription::Column::Kind.eq(SubscriptionKind::ZedPro))
-                .order_by_asc(billing_subscription::Column::Id)
-                .stream(&*tx)
-                .await?;
-
-            let mut subscriptions = HashMap::default();
-            while let Some(row) = rows.next().await {
-                if let (subscription, Some(customer)) = row? {
-                    subscriptions.insert(customer.user_id, (customer, subscription));
-                }
-            }
-            Ok(subscriptions)
-        })
-        .await
-    }
-
-    pub async fn get_active_zed_pro_billing_subscriptions_for_users(
-        &self,
-        user_ids: HashSet<UserId>,
-    ) -> Result<HashMap<UserId, (billing_customer::Model, billing_subscription::Model)>> {
-        self.transaction(|tx| {
-            let user_ids = user_ids.clone();
-            async move {
-                let mut rows = billing_subscription::Entity::find()
-                    .inner_join(billing_customer::Entity)
-                    .select_also(billing_customer::Entity)
-                    .filter(billing_customer::Column::UserId.is_in(user_ids))
-                    .filter(
-                        billing_subscription::Column::StripeSubscriptionStatus
-                            .eq(StripeSubscriptionStatus::Active),
-                    )
-                    .filter(billing_subscription::Column::Kind.eq(SubscriptionKind::ZedPro))
-                    .order_by_asc(billing_subscription::Column::Id)
-                    .stream(&*tx)
-                    .await?;
-
-                let mut subscriptions = HashMap::default();
-                while let Some(row) = rows.next().await {
-                    if let (subscription, Some(customer)) = row? {
-                        subscriptions.insert(customer.user_id, (customer, subscription));
-                    }
-                }
-                Ok(subscriptions)
-            }
-        })
-        .await
-    }
-
-    /// Returns whether the user has an active billing subscription.
-    pub async fn has_active_billing_subscription(&self, user_id: UserId) -> Result<bool> {
-        Ok(self.count_active_billing_subscriptions(user_id).await? > 0)
-    }
-
-    /// Returns the count of the active billing subscriptions for the user with the specified ID.
-    pub async fn count_active_billing_subscriptions(&self, user_id: UserId) -> Result<usize> {
-        self.transaction(|tx| async move {
-            let count = billing_subscription::Entity::find()
-                .inner_join(billing_customer::Entity)
-                .filter(
-                    billing_customer::Column::UserId.eq(user_id).and(
-                        billing_subscription::Column::StripeSubscriptionStatus
-                            .eq(StripeSubscriptionStatus::Active)
-                            .or(billing_subscription::Column::StripeSubscriptionStatus
-                                .eq(StripeSubscriptionStatus::Trialing)),
-                    ),
-                )
-                .count(&*tx)
-                .await?;
-
-            Ok(count as usize)
-        })
-        .await
-    }
-}
diff --git a/crates/collab/src/db/queries/buffers.rs b/crates/collab/src/db/queries/buffers.rs
index a288a4e7eb..2e6b4719d1 100644
--- a/crates/collab/src/db/queries/buffers.rs
+++ b/crates/collab/src/db/queries/buffers.rs
@@ -786,6 +786,32 @@ impl Database {
             })
             .collect())
     }
+
+    /// Update language server capabilities for a given id.
+    pub async fn update_server_capabilities(
+        &self,
+        project_id: ProjectId,
+        server_id: u64,
+        new_capabilities: String,
+    ) -> Result<()> {
+        self.transaction(|tx| {
+            let new_capabilities = new_capabilities.clone();
+            async move {
+                Ok(
+                    language_server::Entity::update(language_server::ActiveModel {
+                        project_id: ActiveValue::unchanged(project_id),
+                        id: ActiveValue::unchanged(server_id as i64),
+                        capabilities: ActiveValue::set(new_capabilities),
+                        ..Default::default()
+                    })
+                    .exec(&*tx)
+                    .await?,
+                )
+            }
+        })
+        .await?;
+        Ok(())
+    }
 }
 
 fn operation_to_storage(
diff --git a/crates/collab/src/db/queries/extensions.rs b/crates/collab/src/db/queries/extensions.rs
index 7d8aad2be4..f218ff2850 100644
--- a/crates/collab/src/db/queries/extensions.rs
+++ b/crates/collab/src/db/queries/extensions.rs
@@ -87,10 +87,10 @@ impl Database {
                 continue;
             };
 
-            if let Some((_, max_extension_version)) = &max_versions.get(&version.extension_id) {
-                if max_extension_version > &extension_version {
-                    continue;
-                }
+            if let Some((_, max_extension_version)) = &max_versions.get(&version.extension_id)
+                && max_extension_version > &extension_version
+            {
+                continue;
             }
 
             if let Some(constraints) = constraints {
@@ -331,10 +331,10 @@ impl Database {
                 .exec_without_returning(&*tx)
                 .await?;
 
-                if let Ok(db_version) = semver::Version::parse(&extension.latest_version) {
-                    if db_version >= latest_version.version {
-                        continue;
-                    }
+                if let Ok(db_version) = semver::Version::parse(&extension.latest_version)
+                    && db_version >= latest_version.version
+                {
+                    continue;
                 }
 
                 let mut extension = extension.into_active_model();
diff --git a/crates/collab/src/db/queries/processed_stripe_events.rs b/crates/collab/src/db/queries/processed_stripe_events.rs
deleted file mode 100644
index f14ad480e0..0000000000
--- a/crates/collab/src/db/queries/processed_stripe_events.rs
+++ /dev/null
@@ -1,69 +0,0 @@
-use super::*;
-
-#[derive(Debug)]
-pub struct CreateProcessedStripeEventParams {
-    pub stripe_event_id: String,
-    pub stripe_event_type: String,
-    pub stripe_event_created_timestamp: i64,
-}
-
-impl Database {
-    /// Creates a new processed Stripe event.
-    pub async fn create_processed_stripe_event(
-        &self,
-        params: &CreateProcessedStripeEventParams,
-    ) -> Result<()> {
-        self.transaction(|tx| async move {
-            processed_stripe_event::Entity::insert(processed_stripe_event::ActiveModel {
-                stripe_event_id: ActiveValue::set(params.stripe_event_id.clone()),
-                stripe_event_type: ActiveValue::set(params.stripe_event_type.clone()),
-                stripe_event_created_timestamp: ActiveValue::set(
-                    params.stripe_event_created_timestamp,
-                ),
-                ..Default::default()
-            })
-            .exec_without_returning(&*tx)
-            .await?;
-
-            Ok(())
-        })
-        .await
-    }
-
-    /// Returns the processed Stripe event with the specified event ID.
-    pub async fn get_processed_stripe_event_by_event_id(
-        &self,
-        event_id: &str,
-    ) -> Result<Option<processed_stripe_event::Model>> {
-        self.transaction(|tx| async move {
-            Ok(processed_stripe_event::Entity::find_by_id(event_id)
-                .one(&*tx)
-                .await?)
-        })
-        .await
-    }
-
-    /// Returns the processed Stripe events with the specified event IDs.
-    pub async fn get_processed_stripe_events_by_event_ids(
-        &self,
-        event_ids: &[&str],
-    ) -> Result<Vec<processed_stripe_event::Model>> {
-        self.transaction(|tx| async move {
-            Ok(processed_stripe_event::Entity::find()
-                .filter(
-                    processed_stripe_event::Column::StripeEventId.is_in(event_ids.iter().copied()),
-                )
-                .all(&*tx)
-                .await?)
-        })
-        .await
-    }
-
-    /// Returns whether the Stripe event with the specified ID has already been processed.
-    pub async fn already_processed_stripe_event(&self, event_id: &str) -> Result<bool> {
-        Ok(self
-            .get_processed_stripe_event_by_event_id(event_id)
-            .await?
-            .is_some())
-    }
-}
diff --git a/crates/collab/src/db/queries/projects.rs b/crates/collab/src/db/queries/projects.rs
index ba22a7b4e3..393f2c80f8 100644
--- a/crates/collab/src/db/queries/projects.rs
+++ b/crates/collab/src/db/queries/projects.rs
@@ -349,11 +349,11 @@ impl Database {
                                     serde_json::to_string(&repository.current_merge_conflicts)
                                         .unwrap(),
                                 )),
-
-                                // Old clients do not use abs path, entry ids or head_commit_details.
+                                // Old clients do not use abs path, entry ids, head_commit_details, or merge_message.
                                 abs_path: ActiveValue::set(String::new()),
                                 entry_ids: ActiveValue::set("[]".into()),
                                 head_commit_details: ActiveValue::set(None),
+                                merge_message: ActiveValue::set(None),
                             }
                         }),
                     )
@@ -502,6 +502,7 @@ impl Database {
                 current_merge_conflicts: ActiveValue::Set(Some(
                     serde_json::to_string(&update.current_merge_conflicts).unwrap(),
                 )),
+                merge_message: ActiveValue::set(update.merge_message.clone()),
             })
             .on_conflict(
                 OnConflict::columns([
@@ -515,6 +516,7 @@ impl Database {
                     project_repository::Column::AbsPath,
                     project_repository::Column::CurrentMergeConflicts,
                     project_repository::Column::HeadCommitDetails,
+                    project_repository::Column::MergeMessage,
                 ])
                 .to_owned(),
             )
@@ -692,13 +694,17 @@ impl Database {
                 project_id: ActiveValue::set(project_id),
                 id: ActiveValue::set(server.id as i64),
                 name: ActiveValue::set(server.name.clone()),
+                capabilities: ActiveValue::set(update.capabilities.clone()),
             })
             .on_conflict(
                 OnConflict::columns([
                     language_server::Column::ProjectId,
                     language_server::Column::Id,
                 ])
-                .update_column(language_server::Column::Name)
+                .update_columns([
+                    language_server::Column::Name,
+                    language_server::Column::Capabilities,
+                ])
                 .to_owned(),
             )
             .exec(&*tx)
@@ -939,21 +945,21 @@ impl Database {
                 let current_merge_conflicts = db_repository_entry
                     .current_merge_conflicts
                     .as_ref()
-                    .map(|conflicts| serde_json::from_str(&conflicts))
+                    .map(|conflicts| serde_json::from_str(conflicts))
                     .transpose()?
                     .unwrap_or_default();
 
                 let branch_summary = db_repository_entry
                     .branch_summary
                     .as_ref()
-                    .map(|branch_summary| serde_json::from_str(&branch_summary))
+                    .map(|branch_summary| serde_json::from_str(branch_summary))
                     .transpose()?
                     .unwrap_or_default();
 
                 let head_commit_details = db_repository_entry
                     .head_commit_details
                     .as_ref()
-                    .map(|head_commit_details| serde_json::from_str(&head_commit_details))
+                    .map(|head_commit_details| serde_json::from_str(head_commit_details))
                     .transpose()?
                     .unwrap_or_default();
 
@@ -986,6 +992,7 @@ impl Database {
                         head_commit_details,
                         scan_id: db_repository_entry.scan_id as u64,
                         is_last_update: true,
+                        merge_message: db_repository_entry.merge_message,
                     });
                 }
             }
@@ -1054,10 +1061,13 @@ impl Database {
             repositories,
             language_servers: language_servers
                 .into_iter()
-                .map(|language_server| proto::LanguageServer {
-                    id: language_server.id as u64,
-                    name: language_server.name,
-                    worktree_id: None,
+                .map(|language_server| LanguageServer {
+                    server: proto::LanguageServer {
+                        id: language_server.id as u64,
+                        name: language_server.name,
+                        worktree_id: None,
+                    },
+                    capabilities: language_server.capabilities,
                 })
                 .collect(),
         };
@@ -1311,10 +1321,10 @@ impl Database {
             .await?;
 
         let mut connection_ids = HashSet::default();
-        if let Some(host_connection) = project.host_connection().log_err() {
-            if !exclude_dev_server {
-                connection_ids.insert(host_connection);
-            }
+        if let Some(host_connection) = project.host_connection().log_err()
+            && !exclude_dev_server
+        {
+            connection_ids.insert(host_connection);
         }
 
         while let Some(collaborator) = collaborators.next().await {
diff --git a/crates/collab/src/db/queries/rooms.rs b/crates/collab/src/db/queries/rooms.rs
index cb805786dd..9e7cabf9b2 100644
--- a/crates/collab/src/db/queries/rooms.rs
+++ b/crates/collab/src/db/queries/rooms.rs
@@ -746,21 +746,21 @@ impl Database {
                     let current_merge_conflicts = db_repository
                         .current_merge_conflicts
                         .as_ref()
-                        .map(|conflicts| serde_json::from_str(&conflicts))
+                        .map(|conflicts| serde_json::from_str(conflicts))
                         .transpose()?
                         .unwrap_or_default();
 
                     let branch_summary = db_repository
                         .branch_summary
                         .as_ref()
-                        .map(|branch_summary| serde_json::from_str(&branch_summary))
+                        .map(|branch_summary| serde_json::from_str(branch_summary))
                         .transpose()?
                         .unwrap_or_default();
 
                     let head_commit_details = db_repository
                         .head_commit_details
                         .as_ref()
-                        .map(|head_commit_details| serde_json::from_str(&head_commit_details))
+                        .map(|head_commit_details| serde_json::from_str(head_commit_details))
                         .transpose()?
                         .unwrap_or_default();
 
@@ -793,6 +793,7 @@ impl Database {
                             abs_path: db_repository.abs_path,
                             scan_id: db_repository.scan_id as u64,
                             is_last_update: true,
+                            merge_message: db_repository.merge_message,
                         });
                     }
                 }
@@ -804,10 +805,13 @@ impl Database {
             .all(tx)
             .await?
             .into_iter()
-            .map(|language_server| proto::LanguageServer {
-                id: language_server.id as u64,
-                name: language_server.name,
-                worktree_id: None,
+            .map(|language_server| LanguageServer {
+                server: proto::LanguageServer {
+                    id: language_server.id as u64,
+                    name: language_server.name,
+                    worktree_id: None,
+                },
+                capabilities: language_server.capabilities,
             })
             .collect::<Vec<_>>();
 
diff --git a/crates/collab/src/db/tables.rs b/crates/collab/src/db/tables.rs
index d87ab174bd..0082a9fb03 100644
--- a/crates/collab/src/db/tables.rs
+++ b/crates/collab/src/db/tables.rs
@@ -1,7 +1,4 @@
 pub mod access_token;
-pub mod billing_customer;
-pub mod billing_preference;
-pub mod billing_subscription;
 pub mod buffer;
 pub mod buffer_operation;
 pub mod buffer_snapshot;
@@ -23,7 +20,6 @@ pub mod notification;
 pub mod notification_kind;
 pub mod observed_buffer_edits;
 pub mod observed_channel_messages;
-pub mod processed_stripe_event;
 pub mod project;
 pub mod project_collaborator;
 pub mod project_repository;
diff --git a/crates/collab/src/db/tables/billing_customer.rs b/crates/collab/src/db/tables/billing_customer.rs
deleted file mode 100644
index e7d4a216e3..0000000000
--- a/crates/collab/src/db/tables/billing_customer.rs
+++ /dev/null
@@ -1,41 +0,0 @@
-use crate::db::{BillingCustomerId, UserId};
-use sea_orm::entity::prelude::*;
-
-/// A billing customer.
-#[derive(Clone, Debug, Default, PartialEq, Eq, DeriveEntityModel)]
-#[sea_orm(table_name = "billing_customers")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id: BillingCustomerId,
-    pub user_id: UserId,
-    pub stripe_customer_id: String,
-    pub has_overdue_invoices: bool,
-    pub trial_started_at: Option<DateTime>,
-    pub created_at: DateTime,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {
-    #[sea_orm(
-        belongs_to = "super::user::Entity",
-        from = "Column::UserId",
-        to = "super::user::Column::Id"
-    )]
-    User,
-    #[sea_orm(has_many = "super::billing_subscription::Entity")]
-    BillingSubscription,
-}
-
-impl Related<super::user::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::User.def()
-    }
-}
-
-impl Related<super::billing_subscription::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::BillingSubscription.def()
-    }
-}
-
-impl ActiveModelBehavior for ActiveModel {}
diff --git a/crates/collab/src/db/tables/billing_preference.rs b/crates/collab/src/db/tables/billing_preference.rs
deleted file mode 100644
index c1888d3b2f..0000000000
--- a/crates/collab/src/db/tables/billing_preference.rs
+++ /dev/null
@@ -1,32 +0,0 @@
-use crate::db::{BillingPreferencesId, UserId};
-use sea_orm::entity::prelude::*;
-
-#[derive(Clone, Debug, Default, PartialEq, Eq, DeriveEntityModel)]
-#[sea_orm(table_name = "billing_preferences")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id: BillingPreferencesId,
-    pub created_at: DateTime,
-    pub user_id: UserId,
-    pub max_monthly_llm_usage_spending_in_cents: i32,
-    pub model_request_overages_enabled: bool,
-    pub model_request_overages_spend_limit_in_cents: i32,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {
-    #[sea_orm(
-        belongs_to = "super::user::Entity",
-        from = "Column::UserId",
-        to = "super::user::Column::Id"
-    )]
-    User,
-}
-
-impl Related<super::user::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::User.def()
-    }
-}
-
-impl ActiveModelBehavior for ActiveModel {}
diff --git a/crates/collab/src/db/tables/billing_subscription.rs b/crates/collab/src/db/tables/billing_subscription.rs
deleted file mode 100644
index 522973dbc9..0000000000
--- a/crates/collab/src/db/tables/billing_subscription.rs
+++ /dev/null
@@ -1,176 +0,0 @@
-use crate::db::{BillingCustomerId, BillingSubscriptionId};
-use crate::stripe_client;
-use chrono::{Datelike as _, NaiveDate, Utc};
-use sea_orm::entity::prelude::*;
-use serde::Serialize;
-
-/// A billing subscription.
-#[derive(Clone, Debug, Default, PartialEq, Eq, DeriveEntityModel)]
-#[sea_orm(table_name = "billing_subscriptions")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id: BillingSubscriptionId,
-    pub billing_customer_id: BillingCustomerId,
-    pub kind: Option<SubscriptionKind>,
-    pub stripe_subscription_id: String,
-    pub stripe_subscription_status: StripeSubscriptionStatus,
-    pub stripe_cancel_at: Option<DateTime>,
-    pub stripe_cancellation_reason: Option<StripeCancellationReason>,
-    pub stripe_current_period_start: Option<i64>,
-    pub stripe_current_period_end: Option<i64>,
-    pub created_at: DateTime,
-}
-
-impl Model {
-    pub fn current_period_start_at(&self) -> Option<DateTimeUtc> {
-        let period_start = self.stripe_current_period_start?;
-        chrono::DateTime::from_timestamp(period_start, 0)
-    }
-
-    pub fn current_period_end_at(&self) -> Option<DateTimeUtc> {
-        let period_end = self.stripe_current_period_end?;
-        chrono::DateTime::from_timestamp(period_end, 0)
-    }
-
-    pub fn current_period(
-        subscription: Option<Self>,
-        is_staff: bool,
-    ) -> Option<(DateTimeUtc, DateTimeUtc)> {
-        if is_staff {
-            let now = Utc::now();
-            let year = now.year();
-            let month = now.month();
-
-            let first_day_of_this_month =
-                NaiveDate::from_ymd_opt(year, month, 1)?.and_hms_opt(0, 0, 0)?;
-
-            let next_month = if month == 12 { 1 } else { month + 1 };
-            let next_month_year = if month == 12 { year + 1 } else { year };
-            let first_day_of_next_month =
-                NaiveDate::from_ymd_opt(next_month_year, next_month, 1)?.and_hms_opt(23, 59, 59)?;
-
-            let last_day_of_this_month = first_day_of_next_month - chrono::Days::new(1);
-
-            Some((
-                first_day_of_this_month.and_utc(),
-                last_day_of_this_month.and_utc(),
-            ))
-        } else {
-            let subscription = subscription?;
-            let period_start_at = subscription.current_period_start_at()?;
-            let period_end_at = subscription.current_period_end_at()?;
-
-            Some((period_start_at, period_end_at))
-        }
-    }
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {
-    #[sea_orm(
-        belongs_to = "super::billing_customer::Entity",
-        from = "Column::BillingCustomerId",
-        to = "super::billing_customer::Column::Id"
-    )]
-    BillingCustomer,
-}
-
-impl Related<super::billing_customer::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::BillingCustomer.def()
-    }
-}
-
-impl ActiveModelBehavior for ActiveModel {}
-
-#[derive(Eq, PartialEq, Copy, Clone, Debug, EnumIter, DeriveActiveEnum, Hash, Serialize)]
-#[sea_orm(rs_type = "String", db_type = "String(StringLen::None)")]
-#[serde(rename_all = "snake_case")]
-pub enum SubscriptionKind {
-    #[sea_orm(string_value = "zed_pro")]
-    ZedPro,
-    #[sea_orm(string_value = "zed_pro_trial")]
-    ZedProTrial,
-    #[sea_orm(string_value = "zed_free")]
-    ZedFree,
-}
-
-impl From<SubscriptionKind> for cloud_llm_client::Plan {
-    fn from(value: SubscriptionKind) -> Self {
-        match value {
-            SubscriptionKind::ZedPro => Self::ZedPro,
-            SubscriptionKind::ZedProTrial => Self::ZedProTrial,
-            SubscriptionKind::ZedFree => Self::ZedFree,
-        }
-    }
-}
-
-/// The status of a Stripe subscription.
-///
-/// [Stripe docs](https://docs.stripe.com/api/subscriptions/object#subscription_object-status)
-#[derive(
-    Eq, PartialEq, Copy, Clone, Debug, EnumIter, DeriveActiveEnum, Default, Hash, Serialize,
-)]
-#[sea_orm(rs_type = "String", db_type = "String(StringLen::None)")]
-#[serde(rename_all = "snake_case")]
-pub enum StripeSubscriptionStatus {
-    #[default]
-    #[sea_orm(string_value = "incomplete")]
-    Incomplete,
-    #[sea_orm(string_value = "incomplete_expired")]
-    IncompleteExpired,
-    #[sea_orm(string_value = "trialing")]
-    Trialing,
-    #[sea_orm(string_value = "active")]
-    Active,
-    #[sea_orm(string_value = "past_due")]
-    PastDue,
-    #[sea_orm(string_value = "canceled")]
-    Canceled,
-    #[sea_orm(string_value = "unpaid")]
-    Unpaid,
-    #[sea_orm(string_value = "paused")]
-    Paused,
-}
-
-impl StripeSubscriptionStatus {
-    pub fn is_cancelable(&self) -> bool {
-        match self {
-            Self::Trialing | Self::Active | Self::PastDue => true,
-            Self::Incomplete
-            | Self::IncompleteExpired
-            | Self::Canceled
-            | Self::Unpaid
-            | Self::Paused => false,
-        }
-    }
-}
-
-/// The cancellation reason for a Stripe subscription.
-///
-/// [Stripe docs](https://docs.stripe.com/api/subscriptions/object#subscription_object-cancellation_details-reason)
-#[derive(Eq, PartialEq, Copy, Clone, Debug, EnumIter, DeriveActiveEnum, Hash, Serialize)]
-#[sea_orm(rs_type = "String", db_type = "String(StringLen::None)")]
-#[serde(rename_all = "snake_case")]
-pub enum StripeCancellationReason {
-    #[sea_orm(string_value = "cancellation_requested")]
-    CancellationRequested,
-    #[sea_orm(string_value = "payment_disputed")]
-    PaymentDisputed,
-    #[sea_orm(string_value = "payment_failed")]
-    PaymentFailed,
-}
-
-impl From<stripe_client::StripeCancellationDetailsReason> for StripeCancellationReason {
-    fn from(value: stripe_client::StripeCancellationDetailsReason) -> Self {
-        match value {
-            stripe_client::StripeCancellationDetailsReason::CancellationRequested => {
-                Self::CancellationRequested
-            }
-            stripe_client::StripeCancellationDetailsReason::PaymentDisputed => {
-                Self::PaymentDisputed
-            }
-            stripe_client::StripeCancellationDetailsReason::PaymentFailed => Self::PaymentFailed,
-        }
-    }
-}
diff --git a/crates/collab/src/db/tables/language_server.rs b/crates/collab/src/db/tables/language_server.rs
index 9ff8c75fc6..34c7514d91 100644
--- a/crates/collab/src/db/tables/language_server.rs
+++ b/crates/collab/src/db/tables/language_server.rs
@@ -9,6 +9,7 @@ pub struct Model {
     #[sea_orm(primary_key)]
     pub id: i64,
     pub name: String,
+    pub capabilities: String,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
diff --git a/crates/collab/src/db/tables/processed_stripe_event.rs b/crates/collab/src/db/tables/processed_stripe_event.rs
deleted file mode 100644
index 7b6f0cdc31..0000000000
--- a/crates/collab/src/db/tables/processed_stripe_event.rs
+++ /dev/null
@@ -1,16 +0,0 @@
-use sea_orm::entity::prelude::*;
-
-#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
-#[sea_orm(table_name = "processed_stripe_events")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub stripe_event_id: String,
-    pub stripe_event_type: String,
-    pub stripe_event_created_timestamp: i64,
-    pub processed_at: DateTime,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {}
-
-impl ActiveModelBehavior for ActiveModel {}
diff --git a/crates/collab/src/db/tables/project_repository.rs b/crates/collab/src/db/tables/project_repository.rs
index 665e87cd1f..eb653ecee3 100644
--- a/crates/collab/src/db/tables/project_repository.rs
+++ b/crates/collab/src/db/tables/project_repository.rs
@@ -16,6 +16,8 @@ pub struct Model {
     pub is_deleted: bool,
     // JSON array typed string
     pub current_merge_conflicts: Option<String>,
+    // The suggested merge commit message
+    pub merge_message: Option<String>,
     // A JSON object representing the current Branch values
     pub branch_summary: Option<String>,
     // A JSON object representing the current Head commit values
diff --git a/crates/collab/src/db/tables/user.rs b/crates/collab/src/db/tables/user.rs
index 49fe3eb58f..af43fe300a 100644
--- a/crates/collab/src/db/tables/user.rs
+++ b/crates/collab/src/db/tables/user.rs
@@ -29,8 +29,6 @@ pub struct Model {
 pub enum Relation {
     #[sea_orm(has_many = "super::access_token::Entity")]
     AccessToken,
-    #[sea_orm(has_one = "super::billing_customer::Entity")]
-    BillingCustomer,
     #[sea_orm(has_one = "super::room_participant::Entity")]
     RoomParticipant,
     #[sea_orm(has_many = "super::project::Entity")]
@@ -68,12 +66,6 @@ impl Related<super::access_token::Entity> for Entity {
     }
 }
 
-impl Related<super::billing_customer::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::BillingCustomer.def()
-    }
-}
-
 impl Related<super::room_participant::Entity> for Entity {
     fn to() -> RelationDef {
         Relation::RoomParticipant.def()
diff --git a/crates/collab/src/db/tests.rs b/crates/collab/src/db/tests.rs
index 9404e2670c..2eb8d377ac 100644
--- a/crates/collab/src/db/tests.rs
+++ b/crates/collab/src/db/tests.rs
@@ -1,4 +1,3 @@
-mod billing_subscription_tests;
 mod buffer_tests;
 mod channel_tests;
 mod contributor_tests;
@@ -9,7 +8,6 @@ mod embedding_tests;
 mod extension_tests;
 mod feature_flag_tests;
 mod message_tests;
-mod processed_stripe_event_tests;
 mod user_tests;
 
 use crate::migrations::run_database_migrations;
diff --git a/crates/collab/src/db/tests/billing_subscription_tests.rs b/crates/collab/src/db/tests/billing_subscription_tests.rs
deleted file mode 100644
index fb5f8552a3..0000000000
--- a/crates/collab/src/db/tests/billing_subscription_tests.rs
+++ /dev/null
@@ -1,96 +0,0 @@
-use std::sync::Arc;
-
-use crate::db::billing_subscription::StripeSubscriptionStatus;
-use crate::db::tests::new_test_user;
-use crate::db::{CreateBillingCustomerParams, CreateBillingSubscriptionParams};
-use crate::test_both_dbs;
-
-use super::Database;
-
-test_both_dbs!(
-    test_get_active_billing_subscriptions,
-    test_get_active_billing_subscriptions_postgres,
-    test_get_active_billing_subscriptions_sqlite
-);
-
-async fn test_get_active_billing_subscriptions(db: &Arc<Database>) {
-    // A user with no subscription has no active billing subscriptions.
-    {
-        let user_id = new_test_user(db, "no-subscription-user@example.com").await;
-        let subscription_count = db
-            .count_active_billing_subscriptions(user_id)
-            .await
-            .unwrap();
-
-        assert_eq!(subscription_count, 0);
-    }
-
-    // A user with an active subscription has one active billing subscription.
-    {
-        let user_id = new_test_user(db, "active-user@example.com").await;
-        let customer = db
-            .create_billing_customer(&CreateBillingCustomerParams {
-                user_id,
-                stripe_customer_id: "cus_active_user".into(),
-            })
-            .await
-            .unwrap();
-        assert_eq!(customer.stripe_customer_id, "cus_active_user".to_string());
-
-        db.create_billing_subscription(&CreateBillingSubscriptionParams {
-            billing_customer_id: customer.id,
-            kind: None,
-            stripe_subscription_id: "sub_active_user".into(),
-            stripe_subscription_status: StripeSubscriptionStatus::Active,
-            stripe_cancellation_reason: None,
-            stripe_current_period_start: None,
-            stripe_current_period_end: None,
-        })
-        .await
-        .unwrap();
-
-        let subscriptions = db.get_billing_subscriptions(user_id).await.unwrap();
-        assert_eq!(subscriptions.len(), 1);
-
-        let subscription = &subscriptions[0];
-        assert_eq!(
-            subscription.stripe_subscription_id,
-            "sub_active_user".to_string()
-        );
-        assert_eq!(
-            subscription.stripe_subscription_status,
-            StripeSubscriptionStatus::Active
-        );
-    }
-
-    // A user with a past-due subscription has no active billing subscriptions.
-    {
-        let user_id = new_test_user(db, "past-due-user@example.com").await;
-        let customer = db
-            .create_billing_customer(&CreateBillingCustomerParams {
-                user_id,
-                stripe_customer_id: "cus_past_due_user".into(),
-            })
-            .await
-            .unwrap();
-        assert_eq!(customer.stripe_customer_id, "cus_past_due_user".to_string());
-
-        db.create_billing_subscription(&CreateBillingSubscriptionParams {
-            billing_customer_id: customer.id,
-            kind: None,
-            stripe_subscription_id: "sub_past_due_user".into(),
-            stripe_subscription_status: StripeSubscriptionStatus::PastDue,
-            stripe_cancellation_reason: None,
-            stripe_current_period_start: None,
-            stripe_current_period_end: None,
-        })
-        .await
-        .unwrap();
-
-        let subscription_count = db
-            .count_active_billing_subscriptions(user_id)
-            .await
-            .unwrap();
-        assert_eq!(subscription_count, 0);
-    }
-}
diff --git a/crates/collab/src/db/tests/embedding_tests.rs b/crates/collab/src/db/tests/embedding_tests.rs
index 367e89f87b..5d8d69c030 100644
--- a/crates/collab/src/db/tests/embedding_tests.rs
+++ b/crates/collab/src/db/tests/embedding_tests.rs
@@ -8,7 +8,7 @@ use time::{Duration, OffsetDateTime, PrimitiveDateTime};
 // SQLite does not support array arguments, so we only test this against a real postgres instance
 #[gpui::test]
 async fn test_get_embeddings_postgres(cx: &mut gpui::TestAppContext) {
-    let test_db = TestDb::postgres(cx.executor().clone());
+    let test_db = TestDb::postgres(cx.executor());
     let db = test_db.db();
 
     let provider = "test_model";
@@ -38,7 +38,7 @@ async fn test_get_embeddings_postgres(cx: &mut gpui::TestAppContext) {
 
 #[gpui::test]
 async fn test_purge_old_embeddings(cx: &mut gpui::TestAppContext) {
-    let test_db = TestDb::postgres(cx.executor().clone());
+    let test_db = TestDb::postgres(cx.executor());
     let db = test_db.db();
 
     let model = "test_model";
diff --git a/crates/collab/src/db/tests/processed_stripe_event_tests.rs b/crates/collab/src/db/tests/processed_stripe_event_tests.rs
deleted file mode 100644
index ad93b5a658..0000000000
--- a/crates/collab/src/db/tests/processed_stripe_event_tests.rs
+++ /dev/null
@@ -1,38 +0,0 @@
-use std::sync::Arc;
-
-use crate::test_both_dbs;
-
-use super::{CreateProcessedStripeEventParams, Database};
-
-test_both_dbs!(
-    test_already_processed_stripe_event,
-    test_already_processed_stripe_event_postgres,
-    test_already_processed_stripe_event_sqlite
-);
-
-async fn test_already_processed_stripe_event(db: &Arc<Database>) {
-    let unprocessed_event_id = "evt_1PiJOuRxOf7d5PNaw2zzWiyO".to_string();
-    let processed_event_id = "evt_1PiIfMRxOf7d5PNakHrAUe8P".to_string();
-
-    db.create_processed_stripe_event(&CreateProcessedStripeEventParams {
-        stripe_event_id: processed_event_id.clone(),
-        stripe_event_type: "customer.created".into(),
-        stripe_event_created_timestamp: 1722355968,
-    })
-    .await
-    .unwrap();
-
-    assert!(
-        db.already_processed_stripe_event(&processed_event_id)
-            .await
-            .unwrap(),
-        "Expected {processed_event_id} to already be processed"
-    );
-
-    assert!(
-        !db.already_processed_stripe_event(&unprocessed_event_id)
-            .await
-            .unwrap(),
-        "Expected {unprocessed_event_id} to be unprocessed"
-    );
-}
diff --git a/crates/collab/src/lib.rs b/crates/collab/src/lib.rs
index 905859ca69..191025df37 100644
--- a/crates/collab/src/lib.rs
+++ b/crates/collab/src/lib.rs
@@ -7,8 +7,6 @@ pub mod llm;
 pub mod migrations;
 pub mod rpc;
 pub mod seed;
-pub mod stripe_billing;
-pub mod stripe_client;
 pub mod user_backfiller;
 
 #[cfg(test)]
@@ -22,21 +20,16 @@ use axum::{
 };
 use db::{ChannelId, Database};
 use executor::Executor;
-use llm::db::LlmDatabase;
 use serde::Deserialize;
 use std::{path::PathBuf, sync::Arc};
 use util::ResultExt;
 
-use crate::stripe_billing::StripeBilling;
-use crate::stripe_client::{RealStripeClient, StripeClient};
-
 pub type Result<T, E = Error> = std::result::Result<T, E>;
 
 pub enum Error {
     Http(StatusCode, String, HeaderMap),
     Database(sea_orm::error::DbErr),
     Internal(anyhow::Error),
-    Stripe(stripe::StripeError),
 }
 
 impl From<anyhow::Error> for Error {
@@ -51,12 +44,6 @@ impl From<sea_orm::error::DbErr> for Error {
     }
 }
 
-impl From<stripe::StripeError> for Error {
-    fn from(error: stripe::StripeError) -> Self {
-        Self::Stripe(error)
-    }
-}
-
 impl From<axum::Error> for Error {
     fn from(error: axum::Error) -> Self {
         Self::Internal(error.into())
@@ -104,14 +91,6 @@ impl IntoResponse for Error {
                 );
                 (StatusCode::INTERNAL_SERVER_ERROR, format!("{}", &error)).into_response()
             }
-            Error::Stripe(error) => {
-                log::error!(
-                    "HTTP error {}: {:?}",
-                    StatusCode::INTERNAL_SERVER_ERROR,
-                    &error
-                );
-                (StatusCode::INTERNAL_SERVER_ERROR, format!("{}", &error)).into_response()
-            }
         }
     }
 }
@@ -122,7 +101,6 @@ impl std::fmt::Debug for Error {
             Error::Http(code, message, _headers) => (code, message).fmt(f),
             Error::Database(error) => error.fmt(f),
             Error::Internal(error) => error.fmt(f),
-            Error::Stripe(error) => error.fmt(f),
         }
     }
 }
@@ -133,7 +111,6 @@ impl std::fmt::Display for Error {
             Error::Http(code, message, _) => write!(f, "{code}: {message}"),
             Error::Database(error) => error.fmt(f),
             Error::Internal(error) => error.fmt(f),
-            Error::Stripe(error) => error.fmt(f),
         }
     }
 }
@@ -179,7 +156,6 @@ pub struct Config {
     pub zed_client_checksum_seed: Option<String>,
     pub slack_panics_webhook: Option<String>,
     pub auto_join_channel_id: Option<ChannelId>,
-    pub stripe_api_key: Option<String>,
     pub supermaven_admin_api_key: Option<Arc<str>>,
     pub user_backfiller_github_access_token: Option<Arc<str>>,
 }
@@ -234,7 +210,6 @@ impl Config {
             auto_join_channel_id: None,
             migrations_path: None,
             seed_path: None,
-            stripe_api_key: None,
             supermaven_admin_api_key: None,
             user_backfiller_github_access_token: None,
             kinesis_region: None,
@@ -266,14 +241,8 @@ impl ServiceMode {
 
 pub struct AppState {
     pub db: Arc<Database>,
-    pub llm_db: Option<Arc<LlmDatabase>>,
     pub livekit_client: Option<Arc<dyn livekit_api::Client>>,
     pub blob_store_client: Option<aws_sdk_s3::Client>,
-    /// This is a real instance of the Stripe client; we're working to replace references to this with the
-    /// [`StripeClient`] trait.
-    pub real_stripe_client: Option<Arc<stripe::Client>>,
-    pub stripe_client: Option<Arc<dyn StripeClient>>,
-    pub stripe_billing: Option<Arc<StripeBilling>>,
     pub executor: Executor,
     pub kinesis_client: Option<::aws_sdk_kinesis::Client>,
     pub config: Config,
@@ -286,20 +255,6 @@ impl AppState {
         let mut db = Database::new(db_options).await?;
         db.initialize_notification_kinds().await?;
 
-        let llm_db = if let Some((llm_database_url, llm_database_max_connections)) = config
-            .llm_database_url
-            .clone()
-            .zip(config.llm_database_max_connections)
-        {
-            let mut llm_db_options = db::ConnectOptions::new(llm_database_url);
-            llm_db_options.max_connections(llm_database_max_connections);
-            let mut llm_db = LlmDatabase::new(llm_db_options, executor.clone()).await?;
-            llm_db.initialize().await?;
-            Some(Arc::new(llm_db))
-        } else {
-            None
-        };
-
         let livekit_client = if let Some(((server, key), secret)) = config
             .livekit_server
             .as_ref()
@@ -316,18 +271,10 @@ impl AppState {
         };
 
         let db = Arc::new(db);
-        let stripe_client = build_stripe_client(&config).map(Arc::new).log_err();
         let this = Self {
             db: db.clone(),
-            llm_db,
             livekit_client,
             blob_store_client: build_blob_store_client(&config).await.log_err(),
-            stripe_billing: stripe_client
-                .clone()
-                .map(|stripe_client| Arc::new(StripeBilling::new(stripe_client))),
-            real_stripe_client: stripe_client.clone(),
-            stripe_client: stripe_client
-                .map(|stripe_client| Arc::new(RealStripeClient::new(stripe_client)) as _),
             executor,
             kinesis_client: if config.kinesis_access_key.is_some() {
                 build_kinesis_client(&config).await.log_err()
@@ -340,14 +287,6 @@ impl AppState {
     }
 }
 
-fn build_stripe_client(config: &Config) -> anyhow::Result<stripe::Client> {
-    let api_key = config
-        .stripe_api_key
-        .as_ref()
-        .context("missing stripe_api_key")?;
-    Ok(stripe::Client::new(api_key))
-}
-
 async fn build_blob_store_client(config: &Config) -> anyhow::Result<aws_sdk_s3::Client> {
     let keys = aws_sdk_s3::config::Credentials::new(
         config
diff --git a/crates/collab/src/llm.rs b/crates/collab/src/llm.rs
index de74858168..dec10232bd 100644
--- a/crates/collab/src/llm.rs
+++ b/crates/collab/src/llm.rs
@@ -1,12 +1 @@
 pub mod db;
-mod token;
-
-pub use token::*;
-
-pub const AGENT_EXTENDED_TRIAL_FEATURE_FLAG: &str = "agent-extended-trial";
-
-/// The name of the feature flag that bypasses the account age check.
-pub const BYPASS_ACCOUNT_AGE_CHECK_FEATURE_FLAG: &str = "bypass-account-age-check";
-
-/// The minimum account age an account must have in order to use the LLM service.
-pub const MIN_ACCOUNT_AGE_FOR_LLM_USE: chrono::Duration = chrono::Duration::days(30);
diff --git a/crates/collab/src/llm/db.rs b/crates/collab/src/llm/db.rs
index 18ad624dab..b15d5a42b5 100644
--- a/crates/collab/src/llm/db.rs
+++ b/crates/collab/src/llm/db.rs
@@ -1,30 +1,9 @@
-mod ids;
-mod queries;
-mod seed;
-mod tables;
-
-#[cfg(test)]
-mod tests;
-
-use cloud_llm_client::LanguageModelProvider;
-use collections::HashMap;
-pub use ids::*;
-pub use seed::*;
-pub use tables::*;
-
-#[cfg(test)]
-pub use tests::TestLlmDb;
-use usage_measure::UsageMeasure;
-
 use std::future::Future;
 use std::sync::Arc;
 
 use anyhow::Context;
 pub use sea_orm::ConnectOptions;
-use sea_orm::prelude::*;
-use sea_orm::{
-    ActiveValue, DatabaseConnection, DatabaseTransaction, IsolationLevel, TransactionTrait,
-};
+use sea_orm::{DatabaseConnection, DatabaseTransaction, IsolationLevel, TransactionTrait};
 
 use crate::Result;
 use crate::db::TransactionHandle;
@@ -36,9 +15,6 @@ pub struct LlmDatabase {
     pool: DatabaseConnection,
     #[allow(unused)]
     executor: Executor,
-    provider_ids: HashMap<LanguageModelProvider, ProviderId>,
-    models: HashMap<(LanguageModelProvider, String), model::Model>,
-    usage_measure_ids: HashMap<UsageMeasure, UsageMeasureId>,
     #[cfg(test)]
     runtime: Option<tokio::runtime::Runtime>,
 }
@@ -51,59 +27,11 @@ impl LlmDatabase {
             options: options.clone(),
             pool: sea_orm::Database::connect(options).await?,
             executor,
-            provider_ids: HashMap::default(),
-            models: HashMap::default(),
-            usage_measure_ids: HashMap::default(),
             #[cfg(test)]
             runtime: None,
         })
     }
 
-    pub async fn initialize(&mut self) -> Result<()> {
-        self.initialize_providers().await?;
-        self.initialize_models().await?;
-        self.initialize_usage_measures().await?;
-        Ok(())
-    }
-
-    /// Returns the list of all known models, with their [`LanguageModelProvider`].
-    pub fn all_models(&self) -> Vec<(LanguageModelProvider, model::Model)> {
-        self.models
-            .iter()
-            .map(|((model_provider, _model_name), model)| (*model_provider, model.clone()))
-            .collect::<Vec<_>>()
-    }
-
-    /// Returns the names of the known models for the given [`LanguageModelProvider`].
-    pub fn model_names_for_provider(&self, provider: LanguageModelProvider) -> Vec<String> {
-        self.models
-            .keys()
-            .filter_map(|(model_provider, model_name)| {
-                if model_provider == &provider {
-                    Some(model_name)
-                } else {
-                    None
-                }
-            })
-            .cloned()
-            .collect::<Vec<_>>()
-    }
-
-    pub fn model(&self, provider: LanguageModelProvider, name: &str) -> Result<&model::Model> {
-        Ok(self
-            .models
-            .get(&(provider, name.to_string()))
-            .with_context(|| format!("unknown model {provider:?}:{name}"))?)
-    }
-
-    pub fn model_by_id(&self, id: ModelId) -> Result<&model::Model> {
-        Ok(self
-            .models
-            .values()
-            .find(|model| model.id == id)
-            .with_context(|| format!("no model for ID {id:?}"))?)
-    }
-
     pub fn options(&self) -> &ConnectOptions {
         &self.options
     }
diff --git a/crates/collab/src/llm/db/ids.rs b/crates/collab/src/llm/db/ids.rs
deleted file mode 100644
index 03cab6cee0..0000000000
--- a/crates/collab/src/llm/db/ids.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-use sea_orm::{DbErr, entity::prelude::*};
-use serde::{Deserialize, Serialize};
-
-use crate::id_type;
-
-id_type!(BillingEventId);
-id_type!(ModelId);
-id_type!(ProviderId);
-id_type!(RevokedAccessTokenId);
-id_type!(UsageId);
-id_type!(UsageMeasureId);
diff --git a/crates/collab/src/llm/db/queries.rs b/crates/collab/src/llm/db/queries.rs
deleted file mode 100644
index 3565366fdd..0000000000
--- a/crates/collab/src/llm/db/queries.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-use super::*;
-
-pub mod providers;
-pub mod subscription_usage_meters;
-pub mod subscription_usages;
-pub mod usages;
diff --git a/crates/collab/src/llm/db/queries/providers.rs b/crates/collab/src/llm/db/queries/providers.rs
deleted file mode 100644
index 9c7dbdd184..0000000000
--- a/crates/collab/src/llm/db/queries/providers.rs
+++ /dev/null
@@ -1,134 +0,0 @@
-use super::*;
-use sea_orm::{QueryOrder, sea_query::OnConflict};
-use std::str::FromStr;
-use strum::IntoEnumIterator as _;
-
-pub struct ModelParams {
-    pub provider: LanguageModelProvider,
-    pub name: String,
-    pub max_requests_per_minute: i64,
-    pub max_tokens_per_minute: i64,
-    pub max_tokens_per_day: i64,
-    pub price_per_million_input_tokens: i32,
-    pub price_per_million_output_tokens: i32,
-}
-
-impl LlmDatabase {
-    pub async fn initialize_providers(&mut self) -> Result<()> {
-        self.provider_ids = self
-            .transaction(|tx| async move {
-                let existing_providers = provider::Entity::find().all(&*tx).await?;
-
-                let mut new_providers = LanguageModelProvider::iter()
-                    .filter(|provider| {
-                        !existing_providers
-                            .iter()
-                            .any(|p| p.name == provider.to_string())
-                    })
-                    .map(|provider| provider::ActiveModel {
-                        name: ActiveValue::set(provider.to_string()),
-                        ..Default::default()
-                    })
-                    .peekable();
-
-                if new_providers.peek().is_some() {
-                    provider::Entity::insert_many(new_providers)
-                        .exec(&*tx)
-                        .await?;
-                }
-
-                let all_providers: HashMap<_, _> = provider::Entity::find()
-                    .all(&*tx)
-                    .await?
-                    .iter()
-                    .filter_map(|provider| {
-                        LanguageModelProvider::from_str(&provider.name)
-                            .ok()
-                            .map(|p| (p, provider.id))
-                    })
-                    .collect();
-
-                Ok(all_providers)
-            })
-            .await?;
-        Ok(())
-    }
-
-    pub async fn initialize_models(&mut self) -> Result<()> {
-        let all_provider_ids = &self.provider_ids;
-        self.models = self
-            .transaction(|tx| async move {
-                let all_models: HashMap<_, _> = model::Entity::find()
-                    .all(&*tx)
-                    .await?
-                    .into_iter()
-                    .filter_map(|model| {
-                        let provider = all_provider_ids.iter().find_map(|(provider, id)| {
-                            if *id == model.provider_id {
-                                Some(provider)
-                            } else {
-                                None
-                            }
-                        })?;
-                        Some(((*provider, model.name.clone()), model))
-                    })
-                    .collect();
-                Ok(all_models)
-            })
-            .await?;
-        Ok(())
-    }
-
-    pub async fn insert_models(&mut self, models: &[ModelParams]) -> Result<()> {
-        let all_provider_ids = &self.provider_ids;
-        self.transaction(|tx| async move {
-            model::Entity::insert_many(models.iter().map(|model_params| {
-                let provider_id = all_provider_ids[&model_params.provider];
-                model::ActiveModel {
-                    provider_id: ActiveValue::set(provider_id),
-                    name: ActiveValue::set(model_params.name.clone()),
-                    max_requests_per_minute: ActiveValue::set(model_params.max_requests_per_minute),
-                    max_tokens_per_minute: ActiveValue::set(model_params.max_tokens_per_minute),
-                    max_tokens_per_day: ActiveValue::set(model_params.max_tokens_per_day),
-                    price_per_million_input_tokens: ActiveValue::set(
-                        model_params.price_per_million_input_tokens,
-                    ),
-                    price_per_million_output_tokens: ActiveValue::set(
-                        model_params.price_per_million_output_tokens,
-                    ),
-                    ..Default::default()
-                }
-            }))
-            .on_conflict(
-                OnConflict::columns([model::Column::ProviderId, model::Column::Name])
-                    .update_columns([
-                        model::Column::MaxRequestsPerMinute,
-                        model::Column::MaxTokensPerMinute,
-                        model::Column::MaxTokensPerDay,
-                        model::Column::PricePerMillionInputTokens,
-                        model::Column::PricePerMillionOutputTokens,
-                    ])
-                    .to_owned(),
-            )
-            .exec_without_returning(&*tx)
-            .await?;
-            Ok(())
-        })
-        .await?;
-        self.initialize_models().await
-    }
-
-    /// Returns the list of LLM providers.
-    pub async fn list_providers(&self) -> Result<Vec<LanguageModelProvider>> {
-        self.transaction(|tx| async move {
-            Ok(provider::Entity::find()
-                .order_by_asc(provider::Column::Name)
-                .all(&*tx)
-                .await?
-                .into_iter()
-                .filter_map(|p| LanguageModelProvider::from_str(&p.name).ok())
-                .collect())
-        })
-        .await
-    }
-}
diff --git a/crates/collab/src/llm/db/queries/subscription_usage_meters.rs b/crates/collab/src/llm/db/queries/subscription_usage_meters.rs
deleted file mode 100644
index c0ce5d679b..0000000000
--- a/crates/collab/src/llm/db/queries/subscription_usage_meters.rs
+++ /dev/null
@@ -1,72 +0,0 @@
-use crate::db::UserId;
-use crate::llm::db::queries::subscription_usages::convert_chrono_to_time;
-
-use super::*;
-
-impl LlmDatabase {
-    /// Returns all current subscription usage meters as of the given timestamp.
-    pub async fn get_current_subscription_usage_meters(
-        &self,
-        now: DateTimeUtc,
-    ) -> Result<Vec<(subscription_usage_meter::Model, subscription_usage::Model)>> {
-        let now = convert_chrono_to_time(now)?;
-
-        self.transaction(|tx| async move {
-            let result = subscription_usage_meter::Entity::find()
-                .inner_join(subscription_usage::Entity)
-                .filter(
-                    subscription_usage::Column::PeriodStartAt
-                        .lte(now)
-                        .and(subscription_usage::Column::PeriodEndAt.gte(now)),
-                )
-                .select_also(subscription_usage::Entity)
-                .all(&*tx)
-                .await?;
-
-            let result = result
-                .into_iter()
-                .filter_map(|(meter, usage)| {
-                    let usage = usage?;
-                    Some((meter, usage))
-                })
-                .collect();
-
-            Ok(result)
-        })
-        .await
-    }
-
-    /// Returns all current subscription usage meters for the given user as of the given timestamp.
-    pub async fn get_current_subscription_usage_meters_for_user(
-        &self,
-        user_id: UserId,
-        now: DateTimeUtc,
-    ) -> Result<Vec<(subscription_usage_meter::Model, subscription_usage::Model)>> {
-        let now = convert_chrono_to_time(now)?;
-
-        self.transaction(|tx| async move {
-            let result = subscription_usage_meter::Entity::find()
-                .inner_join(subscription_usage::Entity)
-                .filter(subscription_usage::Column::UserId.eq(user_id))
-                .filter(
-                    subscription_usage::Column::PeriodStartAt
-                        .lte(now)
-                        .and(subscription_usage::Column::PeriodEndAt.gte(now)),
-                )
-                .select_also(subscription_usage::Entity)
-                .all(&*tx)
-                .await?;
-
-            let result = result
-                .into_iter()
-                .filter_map(|(meter, usage)| {
-                    let usage = usage?;
-                    Some((meter, usage))
-                })
-                .collect();
-
-            Ok(result)
-        })
-        .await
-    }
-}
diff --git a/crates/collab/src/llm/db/queries/subscription_usages.rs b/crates/collab/src/llm/db/queries/subscription_usages.rs
deleted file mode 100644
index ee1ebf59b8..0000000000
--- a/crates/collab/src/llm/db/queries/subscription_usages.rs
+++ /dev/null
@@ -1,59 +0,0 @@
-use time::PrimitiveDateTime;
-
-use crate::db::UserId;
-
-use super::*;
-
-pub fn convert_chrono_to_time(datetime: DateTimeUtc) -> anyhow::Result<PrimitiveDateTime> {
-    use chrono::{Datelike as _, Timelike as _};
-
-    let date = time::Date::from_calendar_date(
-        datetime.year(),
-        time::Month::try_from(datetime.month() as u8).unwrap(),
-        datetime.day() as u8,
-    )?;
-
-    let time = time::Time::from_hms_nano(
-        datetime.hour() as u8,
-        datetime.minute() as u8,
-        datetime.second() as u8,
-        datetime.nanosecond(),
-    )?;
-
-    Ok(PrimitiveDateTime::new(date, time))
-}
-
-impl LlmDatabase {
-    pub async fn get_subscription_usage_for_period(
-        &self,
-        user_id: UserId,
-        period_start_at: DateTimeUtc,
-        period_end_at: DateTimeUtc,
-    ) -> Result<Option<subscription_usage::Model>> {
-        self.transaction(|tx| async move {
-            self.get_subscription_usage_for_period_in_tx(
-                user_id,
-                period_start_at,
-                period_end_at,
-                &tx,
-            )
-            .await
-        })
-        .await
-    }
-
-    async fn get_subscription_usage_for_period_in_tx(
-        &self,
-        user_id: UserId,
-        period_start_at: DateTimeUtc,
-        period_end_at: DateTimeUtc,
-        tx: &DatabaseTransaction,
-    ) -> Result<Option<subscription_usage::Model>> {
-        Ok(subscription_usage::Entity::find()
-            .filter(subscription_usage::Column::UserId.eq(user_id))
-            .filter(subscription_usage::Column::PeriodStartAt.eq(period_start_at))
-            .filter(subscription_usage::Column::PeriodEndAt.eq(period_end_at))
-            .one(tx)
-            .await?)
-    }
-}
diff --git a/crates/collab/src/llm/db/queries/usages.rs b/crates/collab/src/llm/db/queries/usages.rs
deleted file mode 100644
index a917703f96..0000000000
--- a/crates/collab/src/llm/db/queries/usages.rs
+++ /dev/null
@@ -1,44 +0,0 @@
-use std::str::FromStr;
-use strum::IntoEnumIterator as _;
-
-use super::*;
-
-impl LlmDatabase {
-    pub async fn initialize_usage_measures(&mut self) -> Result<()> {
-        let all_measures = self
-            .transaction(|tx| async move {
-                let existing_measures = usage_measure::Entity::find().all(&*tx).await?;
-
-                let new_measures = UsageMeasure::iter()
-                    .filter(|measure| {
-                        !existing_measures
-                            .iter()
-                            .any(|m| m.name == measure.to_string())
-                    })
-                    .map(|measure| usage_measure::ActiveModel {
-                        name: ActiveValue::set(measure.to_string()),
-                        ..Default::default()
-                    })
-                    .collect::<Vec<_>>();
-
-                if !new_measures.is_empty() {
-                    usage_measure::Entity::insert_many(new_measures)
-                        .exec(&*tx)
-                        .await?;
-                }
-
-                Ok(usage_measure::Entity::find().all(&*tx).await?)
-            })
-            .await?;
-
-        self.usage_measure_ids = all_measures
-            .into_iter()
-            .filter_map(|measure| {
-                UsageMeasure::from_str(&measure.name)
-                    .ok()
-                    .map(|um| (um, measure.id))
-            })
-            .collect();
-        Ok(())
-    }
-}
diff --git a/crates/collab/src/llm/db/seed.rs b/crates/collab/src/llm/db/seed.rs
deleted file mode 100644
index 55c6c30cd5..0000000000
--- a/crates/collab/src/llm/db/seed.rs
+++ /dev/null
@@ -1,45 +0,0 @@
-use super::*;
-use crate::{Config, Result};
-use queries::providers::ModelParams;
-
-pub async fn seed_database(_config: &Config, db: &mut LlmDatabase, _force: bool) -> Result<()> {
-    db.insert_models(&[
-        ModelParams {
-            provider: LanguageModelProvider::Anthropic,
-            name: "claude-3-5-sonnet".into(),
-            max_requests_per_minute: 5,
-            max_tokens_per_minute: 20_000,
-            max_tokens_per_day: 300_000,
-            price_per_million_input_tokens: 300,   // $3.00/MTok
-            price_per_million_output_tokens: 1500, // $15.00/MTok
-        },
-        ModelParams {
-            provider: LanguageModelProvider::Anthropic,
-            name: "claude-3-opus".into(),
-            max_requests_per_minute: 5,
-            max_tokens_per_minute: 10_000,
-            max_tokens_per_day: 300_000,
-            price_per_million_input_tokens: 1500,  // $15.00/MTok
-            price_per_million_output_tokens: 7500, // $75.00/MTok
-        },
-        ModelParams {
-            provider: LanguageModelProvider::Anthropic,
-            name: "claude-3-sonnet".into(),
-            max_requests_per_minute: 5,
-            max_tokens_per_minute: 20_000,
-            max_tokens_per_day: 300_000,
-            price_per_million_input_tokens: 1500,  // $15.00/MTok
-            price_per_million_output_tokens: 7500, // $75.00/MTok
-        },
-        ModelParams {
-            provider: LanguageModelProvider::Anthropic,
-            name: "claude-3-haiku".into(),
-            max_requests_per_minute: 5,
-            max_tokens_per_minute: 25_000,
-            max_tokens_per_day: 300_000,
-            price_per_million_input_tokens: 25,   // $0.25/MTok
-            price_per_million_output_tokens: 125, // $1.25/MTok
-        },
-    ])
-    .await
-}
diff --git a/crates/collab/src/llm/db/tables.rs b/crates/collab/src/llm/db/tables.rs
deleted file mode 100644
index 75ea8f5140..0000000000
--- a/crates/collab/src/llm/db/tables.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-pub mod model;
-pub mod provider;
-pub mod subscription_usage;
-pub mod subscription_usage_meter;
-pub mod usage;
-pub mod usage_measure;
diff --git a/crates/collab/src/llm/db/tables/model.rs b/crates/collab/src/llm/db/tables/model.rs
deleted file mode 100644
index f0a858b4a6..0000000000
--- a/crates/collab/src/llm/db/tables/model.rs
+++ /dev/null
@@ -1,48 +0,0 @@
-use sea_orm::entity::prelude::*;
-
-use crate::llm::db::{ModelId, ProviderId};
-
-/// An LLM model.
-#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
-#[sea_orm(table_name = "models")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id: ModelId,
-    pub provider_id: ProviderId,
-    pub name: String,
-    pub max_requests_per_minute: i64,
-    pub max_tokens_per_minute: i64,
-    pub max_input_tokens_per_minute: i64,
-    pub max_output_tokens_per_minute: i64,
-    pub max_tokens_per_day: i64,
-    pub price_per_million_input_tokens: i32,
-    pub price_per_million_cache_creation_input_tokens: i32,
-    pub price_per_million_cache_read_input_tokens: i32,
-    pub price_per_million_output_tokens: i32,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {
-    #[sea_orm(
-        belongs_to = "super::provider::Entity",
-        from = "Column::ProviderId",
-        to = "super::provider::Column::Id"
-    )]
-    Provider,
-    #[sea_orm(has_many = "super::usage::Entity")]
-    Usages,
-}
-
-impl Related<super::provider::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Provider.def()
-    }
-}
-
-impl Related<super::usage::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Usages.def()
-    }
-}
-
-impl ActiveModelBehavior for ActiveModel {}
diff --git a/crates/collab/src/llm/db/tables/provider.rs b/crates/collab/src/llm/db/tables/provider.rs
deleted file mode 100644
index 90838f7c65..0000000000
--- a/crates/collab/src/llm/db/tables/provider.rs
+++ /dev/null
@@ -1,25 +0,0 @@
-use crate::llm::db::ProviderId;
-use sea_orm::entity::prelude::*;
-
-/// An LLM provider.
-#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
-#[sea_orm(table_name = "providers")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id: ProviderId,
-    pub name: String,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {
-    #[sea_orm(has_many = "super::model::Entity")]
-    Models,
-}
-
-impl Related<super::model::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Models.def()
-    }
-}
-
-impl ActiveModelBehavior for ActiveModel {}
diff --git a/crates/collab/src/llm/db/tables/subscription_usage.rs b/crates/collab/src/llm/db/tables/subscription_usage.rs
deleted file mode 100644
index dd93b03d05..0000000000
--- a/crates/collab/src/llm/db/tables/subscription_usage.rs
+++ /dev/null
@@ -1,22 +0,0 @@
-use crate::db::UserId;
-use crate::db::billing_subscription::SubscriptionKind;
-use sea_orm::entity::prelude::*;
-use time::PrimitiveDateTime;
-
-#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
-#[sea_orm(table_name = "subscription_usages_v2")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id: Uuid,
-    pub user_id: UserId,
-    pub period_start_at: PrimitiveDateTime,
-    pub period_end_at: PrimitiveDateTime,
-    pub plan: SubscriptionKind,
-    pub model_requests: i32,
-    pub edit_predictions: i32,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {}
-
-impl ActiveModelBehavior for ActiveModel {}
diff --git a/crates/collab/src/llm/db/tables/subscription_usage_meter.rs b/crates/collab/src/llm/db/tables/subscription_usage_meter.rs
deleted file mode 100644
index c082cf3bc1..0000000000
--- a/crates/collab/src/llm/db/tables/subscription_usage_meter.rs
+++ /dev/null
@@ -1,55 +0,0 @@
-use sea_orm::entity::prelude::*;
-use serde::Serialize;
-
-use crate::llm::db::ModelId;
-
-#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
-#[sea_orm(table_name = "subscription_usage_meters_v2")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id: Uuid,
-    pub subscription_usage_id: Uuid,
-    pub model_id: ModelId,
-    pub mode: CompletionMode,
-    pub requests: i32,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {
-    #[sea_orm(
-        belongs_to = "super::subscription_usage::Entity",
-        from = "Column::SubscriptionUsageId",
-        to = "super::subscription_usage::Column::Id"
-    )]
-    SubscriptionUsage,
-    #[sea_orm(
-        belongs_to = "super::model::Entity",
-        from = "Column::ModelId",
-        to = "super::model::Column::Id"
-    )]
-    Model,
-}
-
-impl Related<super::subscription_usage::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::SubscriptionUsage.def()
-    }
-}
-
-impl Related<super::model::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Model.def()
-    }
-}
-
-impl ActiveModelBehavior for ActiveModel {}
-
-#[derive(Eq, PartialEq, Copy, Clone, Debug, EnumIter, DeriveActiveEnum, Hash, Serialize)]
-#[sea_orm(rs_type = "String", db_type = "String(StringLen::None)")]
-#[serde(rename_all = "snake_case")]
-pub enum CompletionMode {
-    #[sea_orm(string_value = "normal")]
-    Normal,
-    #[sea_orm(string_value = "max")]
-    Max,
-}
diff --git a/crates/collab/src/llm/db/tables/usage.rs b/crates/collab/src/llm/db/tables/usage.rs
deleted file mode 100644
index 331c94a8a9..0000000000
--- a/crates/collab/src/llm/db/tables/usage.rs
+++ /dev/null
@@ -1,52 +0,0 @@
-use crate::{
-    db::UserId,
-    llm::db::{ModelId, UsageId, UsageMeasureId},
-};
-use sea_orm::entity::prelude::*;
-
-/// An LLM usage record.
-#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
-#[sea_orm(table_name = "usages")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id: UsageId,
-    /// The ID of the Zed user.
-    ///
-    /// Corresponds to the `users` table in the primary collab database.
-    pub user_id: UserId,
-    pub model_id: ModelId,
-    pub measure_id: UsageMeasureId,
-    pub timestamp: DateTime,
-    pub buckets: Vec<i64>,
-    pub is_staff: bool,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {
-    #[sea_orm(
-        belongs_to = "super::model::Entity",
-        from = "Column::ModelId",
-        to = "super::model::Column::Id"
-    )]
-    Model,
-    #[sea_orm(
-        belongs_to = "super::usage_measure::Entity",
-        from = "Column::MeasureId",
-        to = "super::usage_measure::Column::Id"
-    )]
-    UsageMeasure,
-}
-
-impl Related<super::model::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Model.def()
-    }
-}
-
-impl Related<super::usage_measure::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::UsageMeasure.def()
-    }
-}
-
-impl ActiveModelBehavior for ActiveModel {}
diff --git a/crates/collab/src/llm/db/tables/usage_measure.rs b/crates/collab/src/llm/db/tables/usage_measure.rs
deleted file mode 100644
index 4f75577ed4..0000000000
--- a/crates/collab/src/llm/db/tables/usage_measure.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-use crate::llm::db::UsageMeasureId;
-use sea_orm::entity::prelude::*;
-
-#[derive(
-    Copy, Clone, Debug, PartialEq, Eq, Hash, strum::EnumString, strum::Display, strum::EnumIter,
-)]
-#[strum(serialize_all = "snake_case")]
-pub enum UsageMeasure {
-    RequestsPerMinute,
-    TokensPerMinute,
-    InputTokensPerMinute,
-    OutputTokensPerMinute,
-    TokensPerDay,
-}
-
-#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
-#[sea_orm(table_name = "usage_measures")]
-pub struct Model {
-    #[sea_orm(primary_key)]
-    pub id: UsageMeasureId,
-    pub name: String,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {
-    #[sea_orm(has_many = "super::usage::Entity")]
-    Usages,
-}
-
-impl Related<super::usage::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Usages.def()
-    }
-}
-
-impl ActiveModelBehavior for ActiveModel {}
diff --git a/crates/collab/src/llm/db/tests.rs b/crates/collab/src/llm/db/tests.rs
deleted file mode 100644
index 43a1b8b0d4..0000000000
--- a/crates/collab/src/llm/db/tests.rs
+++ /dev/null
@@ -1,107 +0,0 @@
-mod provider_tests;
-
-use gpui::BackgroundExecutor;
-use parking_lot::Mutex;
-use rand::prelude::*;
-use sea_orm::ConnectionTrait;
-use sqlx::migrate::MigrateDatabase;
-use std::time::Duration;
-
-use crate::migrations::run_database_migrations;
-
-use super::*;
-
-pub struct TestLlmDb {
-    pub db: Option<LlmDatabase>,
-    pub connection: Option<sqlx::AnyConnection>,
-}
-
-impl TestLlmDb {
-    pub fn postgres(background: BackgroundExecutor) -> Self {
-        static LOCK: Mutex<()> = Mutex::new(());
-
-        let _guard = LOCK.lock();
-        let mut rng = StdRng::from_entropy();
-        let url = format!(
-            "postgres://postgres@localhost/zed-llm-test-{}",
-            rng.r#gen::<u128>()
-        );
-        let runtime = tokio::runtime::Builder::new_current_thread()
-            .enable_io()
-            .enable_time()
-            .build()
-            .unwrap();
-
-        let mut db = runtime.block_on(async {
-            sqlx::Postgres::create_database(&url)
-                .await
-                .expect("failed to create test db");
-            let mut options = ConnectOptions::new(url);
-            options
-                .max_connections(5)
-                .idle_timeout(Duration::from_secs(0));
-            let db = LlmDatabase::new(options, Executor::Deterministic(background))
-                .await
-                .unwrap();
-            let migrations_path = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations_llm");
-            run_database_migrations(db.options(), migrations_path)
-                .await
-                .unwrap();
-            db
-        });
-
-        db.runtime = Some(runtime);
-
-        Self {
-            db: Some(db),
-            connection: None,
-        }
-    }
-
-    pub fn db(&mut self) -> &mut LlmDatabase {
-        self.db.as_mut().unwrap()
-    }
-}
-
-#[macro_export]
-macro_rules! test_llm_db {
-    ($test_name:ident, $postgres_test_name:ident) => {
-        #[gpui::test]
-        async fn $postgres_test_name(cx: &mut gpui::TestAppContext) {
-            if !cfg!(target_os = "macos") {
-                return;
-            }
-
-            let mut test_db = $crate::llm::db::TestLlmDb::postgres(cx.executor().clone());
-            $test_name(test_db.db()).await;
-        }
-    };
-}
-
-impl Drop for TestLlmDb {
-    fn drop(&mut self) {
-        let db = self.db.take().unwrap();
-        if let sea_orm::DatabaseBackend::Postgres = db.pool.get_database_backend() {
-            db.runtime.as_ref().unwrap().block_on(async {
-                use util::ResultExt;
-                let query = "
-                        SELECT pg_terminate_backend(pg_stat_activity.pid)
-                        FROM pg_stat_activity
-                        WHERE
-                            pg_stat_activity.datname = current_database() AND
-                            pid <> pg_backend_pid();
-                    ";
-                db.pool
-                    .execute(sea_orm::Statement::from_string(
-                        db.pool.get_database_backend(),
-                        query,
-                    ))
-                    .await
-                    .log_err();
-                sqlx::Postgres::drop_database(db.options.get_url())
-                    .await
-                    .log_err();
-            })
-        }
-    }
-}
diff --git a/crates/collab/src/llm/db/tests/provider_tests.rs b/crates/collab/src/llm/db/tests/provider_tests.rs
deleted file mode 100644
index f4e1de40ec..0000000000
--- a/crates/collab/src/llm/db/tests/provider_tests.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-use cloud_llm_client::LanguageModelProvider;
-use pretty_assertions::assert_eq;
-
-use crate::llm::db::LlmDatabase;
-use crate::test_llm_db;
-
-test_llm_db!(
-    test_initialize_providers,
-    test_initialize_providers_postgres
-);
-
-async fn test_initialize_providers(db: &mut LlmDatabase) {
-    let initial_providers = db.list_providers().await.unwrap();
-    assert_eq!(initial_providers, vec![]);
-
-    db.initialize_providers().await.unwrap();
-
-    // Do it twice, to make sure the operation is idempotent.
-    db.initialize_providers().await.unwrap();
-
-    let providers = db.list_providers().await.unwrap();
-
-    assert_eq!(
-        providers,
-        &[
-            LanguageModelProvider::Anthropic,
-            LanguageModelProvider::Google,
-            LanguageModelProvider::OpenAi,
-        ]
-    )
-}
diff --git a/crates/collab/src/llm/token.rs b/crates/collab/src/llm/token.rs
deleted file mode 100644
index da01c7f3be..0000000000
--- a/crates/collab/src/llm/token.rs
+++ /dev/null
@@ -1,146 +0,0 @@
-use crate::db::billing_subscription::SubscriptionKind;
-use crate::db::{billing_customer, billing_subscription, user};
-use crate::llm::{AGENT_EXTENDED_TRIAL_FEATURE_FLAG, BYPASS_ACCOUNT_AGE_CHECK_FEATURE_FLAG};
-use crate::{Config, db::billing_preference};
-use anyhow::{Context as _, Result};
-use chrono::{NaiveDateTime, Utc};
-use cloud_llm_client::Plan;
-use jsonwebtoken::{DecodingKey, EncodingKey, Header, Validation};
-use serde::{Deserialize, Serialize};
-use std::time::Duration;
-use thiserror::Error;
-use uuid::Uuid;
-
-#[derive(Clone, Debug, Default, Serialize, Deserialize)]
-#[serde(rename_all = "camelCase")]
-pub struct LlmTokenClaims {
-    pub iat: u64,
-    pub exp: u64,
-    pub jti: String,
-    pub user_id: u64,
-    pub system_id: Option<String>,
-    pub metrics_id: Uuid,
-    pub github_user_login: String,
-    pub account_created_at: NaiveDateTime,
-    pub is_staff: bool,
-    pub has_llm_closed_beta_feature_flag: bool,
-    pub bypass_account_age_check: bool,
-    pub use_llm_request_queue: bool,
-    pub plan: Plan,
-    pub has_extended_trial: bool,
-    pub subscription_period: (NaiveDateTime, NaiveDateTime),
-    pub enable_model_request_overages: bool,
-    pub model_request_overages_spend_limit_in_cents: u32,
-    pub can_use_web_search_tool: bool,
-    #[serde(default)]
-    pub has_overdue_invoices: bool,
-}
-
-const LLM_TOKEN_LIFETIME: Duration = Duration::from_secs(60 * 60);
-
-impl LlmTokenClaims {
-    pub fn create(
-        user: &user::Model,
-        is_staff: bool,
-        billing_customer: billing_customer::Model,
-        billing_preferences: Option<billing_preference::Model>,
-        feature_flags: &Vec<String>,
-        subscription: billing_subscription::Model,
-        system_id: Option<String>,
-        config: &Config,
-    ) -> Result<String> {
-        let secret = config
-            .llm_api_secret
-            .as_ref()
-            .context("no LLM API secret")?;
-
-        let plan = if is_staff {
-            Plan::ZedPro
-        } else {
-            subscription.kind.map_or(Plan::ZedFree, |kind| match kind {
-                SubscriptionKind::ZedFree => Plan::ZedFree,
-                SubscriptionKind::ZedPro => Plan::ZedPro,
-                SubscriptionKind::ZedProTrial => Plan::ZedProTrial,
-            })
-        };
-        let subscription_period =
-            billing_subscription::Model::current_period(Some(subscription), is_staff)
-                .map(|(start, end)| (start.naive_utc(), end.naive_utc()))
-                .context("A plan is required to use Zed's hosted models or edit predictions. Visit https://zed.dev/account to get started.")?;
-
-        let now = Utc::now();
-        let claims = Self {
-            iat: now.timestamp() as u64,
-            exp: (now + LLM_TOKEN_LIFETIME).timestamp() as u64,
-            jti: uuid::Uuid::new_v4().to_string(),
-            user_id: user.id.to_proto(),
-            system_id,
-            metrics_id: user.metrics_id,
-            github_user_login: user.github_login.clone(),
-            account_created_at: user.account_created_at(),
-            is_staff,
-            has_llm_closed_beta_feature_flag: feature_flags
-                .iter()
-                .any(|flag| flag == "llm-closed-beta"),
-            bypass_account_age_check: feature_flags
-                .iter()
-                .any(|flag| flag == BYPASS_ACCOUNT_AGE_CHECK_FEATURE_FLAG),
-            can_use_web_search_tool: true,
-            use_llm_request_queue: feature_flags.iter().any(|flag| flag == "llm-request-queue"),
-            plan,
-            has_extended_trial: feature_flags
-                .iter()
-                .any(|flag| flag == AGENT_EXTENDED_TRIAL_FEATURE_FLAG),
-            subscription_period,
-            enable_model_request_overages: billing_preferences
-                .as_ref()
-                .map_or(false, |preferences| {
-                    preferences.model_request_overages_enabled
-                }),
-            model_request_overages_spend_limit_in_cents: billing_preferences
-                .as_ref()
-                .map_or(0, |preferences| {
-                    preferences.model_request_overages_spend_limit_in_cents as u32
-                }),
-            has_overdue_invoices: billing_customer.has_overdue_invoices,
-        };
-
-        Ok(jsonwebtoken::encode(
-            &Header::default(),
-            &claims,
-            &EncodingKey::from_secret(secret.as_ref()),
-        )?)
-    }
-
-    pub fn validate(token: &str, config: &Config) -> Result<LlmTokenClaims, ValidateLlmTokenError> {
-        let secret = config
-            .llm_api_secret
-            .as_ref()
-            .context("no LLM API secret")?;
-
-        match jsonwebtoken::decode::<Self>(
-            token,
-            &DecodingKey::from_secret(secret.as_ref()),
-            &Validation::default(),
-        ) {
-            Ok(token) => Ok(token.claims),
-            Err(e) => {
-                if e.kind() == &jsonwebtoken::errors::ErrorKind::ExpiredSignature {
-                    Err(ValidateLlmTokenError::Expired)
-                } else {
-                    Err(ValidateLlmTokenError::JwtError(e))
-                }
-            }
-        }
-    }
-}
-
-#[derive(Error, Debug)]
-pub enum ValidateLlmTokenError {
-    #[error("access token is expired")]
-    Expired,
-    #[error("access token validation error: {0}")]
-    JwtError(#[from] jsonwebtoken::errors::Error),
-    #[error("{0}")]
-    Other(#[from] anyhow::Error),
-}
diff --git a/crates/collab/src/main.rs b/crates/collab/src/main.rs
index 6a78049b3f..cb6f6cad1d 100644
--- a/crates/collab/src/main.rs
+++ b/crates/collab/src/main.rs
@@ -7,8 +7,8 @@ use axum::{
     routing::get,
 };
 
+use collab::ServiceMode;
 use collab::api::CloudflareIpCountryHeader;
-use collab::api::billing::sync_llm_request_usage_with_stripe_periodically;
 use collab::llm::db::LlmDatabase;
 use collab::migrations::run_database_migrations;
 use collab::user_backfiller::spawn_user_backfiller;
@@ -16,7 +16,6 @@ use collab::{
     AppState, Config, Result, api::fetch_extensions_from_blob_store_periodically, db, env,
     executor::Executor, rpc::ResultExt,
 };
-use collab::{ServiceMode, api::billing::poll_stripe_events_periodically};
 use db::Database;
 use std::{
     env::args,
@@ -31,7 +30,7 @@ use tower_http::trace::TraceLayer;
 use tracing_subscriber::{
     Layer, filter::EnvFilter, fmt::format::JsonFields, util::SubscriberInitExt,
 };
-use util::{ResultExt as _, maybe};
+use util::ResultExt as _;
 
 const VERSION: &str = env!("CARGO_PKG_VERSION");
 const REVISION: Option<&'static str> = option_env!("GITHUB_SHA");
@@ -63,13 +62,6 @@ async fn main() -> Result<()> {
             db.initialize_notification_kinds().await?;
 
             collab::seed::seed(&config, &db, false).await?;
-
-            if let Some(llm_database_url) = config.llm_database_url.clone() {
-                let db_options = db::ConnectOptions::new(llm_database_url);
-                let mut db = LlmDatabase::new(db_options.clone(), Executor::Production).await?;
-                db.initialize().await?;
-                collab::llm::db::seed_database(&config, &mut db, true).await?;
-            }
         }
         Some("serve") => {
             let mode = match args.next().as_deref() {
@@ -103,13 +95,6 @@ async fn main() -> Result<()> {
 
                 let state = AppState::new(config, Executor::Production).await?;
 
-                if let Some(stripe_billing) = state.stripe_billing.clone() {
-                    let executor = state.executor.clone();
-                    executor.spawn_detached(async move {
-                        stripe_billing.initialize().await.trace_err();
-                    });
-                }
-
                 if mode.is_collab() {
                     state.db.purge_old_embeddings().await.trace_err();
 
@@ -120,8 +105,6 @@ async fn main() -> Result<()> {
                     let rpc_server = collab::rpc::Server::new(epoch, state.clone());
                     rpc_server.start().await?;
 
-                    poll_stripe_events_periodically(state.clone(), rpc_server.clone());
-
                     app = app
                         .merge(collab::api::routes(rpc_server.clone()))
                         .merge(collab::rpc::routes(rpc_server.clone()));
@@ -133,29 +116,6 @@ async fn main() -> Result<()> {
                     fetch_extensions_from_blob_store_periodically(state.clone());
                     spawn_user_backfiller(state.clone());
 
-                    let llm_db = maybe!(async {
-                        let database_url = state
-                            .config
-                            .llm_database_url
-                            .as_ref()
-                            .context("missing LLM_DATABASE_URL")?;
-                        let max_connections = state
-                            .config
-                            .llm_database_max_connections
-                            .context("missing LLM_DATABASE_MAX_CONNECTIONS")?;
-
-                        let mut db_options = db::ConnectOptions::new(database_url);
-                        db_options.max_connections(max_connections);
-                        LlmDatabase::new(db_options, state.executor.clone()).await
-                    })
-                    .await
-                    .trace_err();
-
-                    if let Some(mut llm_db) = llm_db {
-                        llm_db.initialize().await?;
-                        sync_llm_request_usage_with_stripe_periodically(state.clone());
-                    }
-
                     app = app
                         .merge(collab::api::events::router())
                         .merge(collab::api::extensions::router())
@@ -296,9 +256,6 @@ async fn setup_llm_database(config: &Config) -> Result<()> {
         .llm_database_migrations_path
         .as_deref()
         .unwrap_or_else(|| {
-            #[cfg(feature = "sqlite")]
-            let default_migrations = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations_llm.sqlite");
-            #[cfg(not(feature = "sqlite"))]
             let default_migrations = concat!(env!("CARGO_MANIFEST_DIR"), "/migrations_llm");
 
             Path::new(default_migrations)
diff --git a/crates/collab/src/rpc.rs b/crates/collab/src/rpc.rs
index 5c35394e1d..73f327166a 100644
--- a/crates/collab/src/rpc.rs
+++ b/crates/collab/src/rpc.rs
@@ -1,14 +1,6 @@
 mod connection_pool;
 
-use crate::api::billing::find_or_create_billing_customer;
 use crate::api::{CloudflareIpCountryHeader, SystemIdHeader};
-use crate::db::billing_subscription::SubscriptionKind;
-use crate::llm::db::LlmDatabase;
-use crate::llm::{
-    AGENT_EXTENDED_TRIAL_FEATURE_FLAG, BYPASS_ACCOUNT_AGE_CHECK_FEATURE_FLAG, LlmTokenClaims,
-    MIN_ACCOUNT_AGE_FOR_LLM_USE,
-};
-use crate::stripe_client::StripeCustomerId;
 use crate::{
     AppState, Error, Result, auth,
     db::{
@@ -37,13 +29,14 @@ use axum::{
     response::IntoResponse,
     routing::get,
 };
-use chrono::Utc;
 use collections::{HashMap, HashSet};
 pub use connection_pool::{ConnectionPool, ZedVersion};
 use core::fmt::{self, Debug, Formatter};
+use futures::TryFutureExt as _;
 use reqwest_client::ReqwestClient;
-use rpc::proto::split_repository_update;
+use rpc::proto::{MultiLspQuery, split_repository_update};
 use supermaven_api::{CreateExternalUserRequest, SupermavenAdminApi};
+use tracing::Span;
 
 use futures::{
     FutureExt, SinkExt, StreamExt, TryStreamExt, channel::oneshot, future::BoxFuture,
@@ -94,8 +87,13 @@ const MAX_CONCURRENT_CONNECTIONS: usize = 512;
 
 static CONCURRENT_CONNECTIONS: AtomicUsize = AtomicUsize::new(0);
 
+const TOTAL_DURATION_MS: &str = "total_duration_ms";
+const PROCESSING_DURATION_MS: &str = "processing_duration_ms";
+const QUEUE_DURATION_MS: &str = "queue_duration_ms";
+const HOST_WAITING_MS: &str = "host_waiting_ms";
+
 type MessageHandler =
-    Box<dyn Send + Sync + Fn(Box<dyn AnyTypedEnvelope>, Session) -> BoxFuture<'static, ()>>;
+    Box<dyn Send + Sync + Fn(Box<dyn AnyTypedEnvelope>, Session, Span) -> BoxFuture<'static, ()>>;
 
 pub struct ConnectionGuard;
 
@@ -141,13 +139,6 @@ pub enum Principal {
 }
 
 impl Principal {
-    fn user(&self) -> &User {
-        match self {
-            Principal::User(user) => user,
-            Principal::Impersonated { user, .. } => user,
-        }
-    }
-
     fn update_span(&self, span: &tracing::Span) {
         match &self {
             Principal::User(user) => {
@@ -163,6 +154,42 @@ impl Principal {
     }
 }
 
+#[derive(Clone)]
+struct MessageContext {
+    session: Session,
+    span: tracing::Span,
+}
+
+impl Deref for MessageContext {
+    type Target = Session;
+
+    fn deref(&self) -> &Self::Target {
+        &self.session
+    }
+}
+
+impl MessageContext {
+    pub fn forward_request<T: RequestMessage>(
+        &self,
+        receiver_id: ConnectionId,
+        request: T,
+    ) -> impl Future<Output = anyhow::Result<T::Response>> {
+        let request_start_time = Instant::now();
+        let span = self.span.clone();
+        tracing::info!("start forwarding request");
+        self.peer
+            .forward_request(self.connection_id, receiver_id, request)
+            .inspect(move |_| {
+                span.record(
+                    HOST_WAITING_MS,
+                    request_start_time.elapsed().as_micros() as f64 / 1000.0,
+                );
+            })
+            .inspect_err(|_| tracing::error!("error forwarding request"))
+            .inspect_ok(|_| tracing::info!("finished forwarding request"))
+    }
+}
+
 #[derive(Clone)]
 struct Session {
     principal: Principal,
@@ -175,6 +202,7 @@ struct Session {
     /// The GeoIP country code for the user.
     #[allow(unused)]
     geoip_country_code: Option<String>,
+    #[allow(unused)]
     system_id: Option<String>,
     _executor: Executor,
 }
@@ -282,7 +310,7 @@ impl Server {
         let mut server = Self {
             id: parking_lot::Mutex::new(id),
             peer: Peer::new(id.0 as u32),
-            app_state: app_state.clone(),
+            app_state,
             connection_pool: Default::default(),
             handlers: Default::default(),
             teardown: watch::channel(false).0,
@@ -315,7 +343,7 @@ impl Server {
             .add_request_handler(forward_read_only_project_request::<proto::GetDefinition>)
             .add_request_handler(forward_read_only_project_request::<proto::GetTypeDefinition>)
             .add_request_handler(forward_read_only_project_request::<proto::GetReferences>)
-            .add_request_handler(forward_find_search_candidates_request)
+            .add_request_handler(forward_read_only_project_request::<proto::FindSearchCandidates>)
             .add_request_handler(forward_read_only_project_request::<proto::GetDocumentHighlights>)
             .add_request_handler(forward_read_only_project_request::<proto::GetDocumentSymbols>)
             .add_request_handler(forward_read_only_project_request::<proto::GetProjectSymbols>)
@@ -340,9 +368,6 @@ impl Server {
             .add_request_handler(forward_read_only_project_request::<proto::LspExtCancelFlycheck>)
             .add_request_handler(forward_read_only_project_request::<proto::LspExtRunFlycheck>)
             .add_request_handler(forward_read_only_project_request::<proto::LspExtClearFlycheck>)
-            .add_request_handler(
-                forward_read_only_project_request::<proto::LanguageServerIdForName>,
-            )
             .add_request_handler(forward_read_only_project_request::<proto::GetDocumentDiagnostics>)
             .add_request_handler(
                 forward_mutating_project_request::<proto::RegisterBufferWithLanguageServers>,
@@ -374,7 +399,9 @@ impl Server {
             .add_request_handler(forward_mutating_project_request::<proto::OnTypeFormatting>)
             .add_request_handler(forward_mutating_project_request::<proto::SaveBuffer>)
             .add_request_handler(forward_mutating_project_request::<proto::BlameBuffer>)
-            .add_request_handler(forward_mutating_project_request::<proto::MultiLspQuery>)
+            .add_request_handler(multi_lsp_query)
+            .add_request_handler(lsp_query)
+            .add_message_handler(broadcast_project_message_from_host::<proto::LspQueryResponse>)
             .add_request_handler(forward_mutating_project_request::<proto::RestartLanguageServers>)
             .add_request_handler(forward_mutating_project_request::<proto::StopLanguageServers>)
             .add_request_handler(forward_mutating_project_request::<proto::LinkedEditingRange>)
@@ -423,9 +450,6 @@ impl Server {
             .add_request_handler(follow)
             .add_message_handler(unfollow)
             .add_message_handler(update_followers)
-            .add_request_handler(get_private_user_info)
-            .add_request_handler(get_llm_api_token)
-            .add_request_handler(accept_terms_of_service)
             .add_message_handler(acknowledge_channel_message)
             .add_message_handler(acknowledge_buffer_version)
             .add_request_handler(get_supermaven_api_key)
@@ -594,10 +618,10 @@ impl Server {
                             }
                         }
 
-                        if let Some(live_kit) = livekit_client.as_ref() {
-                            if delete_livekit_room {
-                                live_kit.delete_room(livekit_room).await.trace_err();
-                            }
+                        if let Some(live_kit) = livekit_client.as_ref()
+                            && delete_livekit_room
+                        {
+                            live_kit.delete_room(livekit_room).await.trace_err();
                         }
                     }
                 }
@@ -649,42 +673,37 @@ impl Server {
 
     fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
     where
-        F: 'static + Send + Sync + Fn(TypedEnvelope<M>, Session) -> Fut,
+        F: 'static + Send + Sync + Fn(TypedEnvelope<M>, MessageContext) -> Fut,
         Fut: 'static + Send + Future<Output = Result<()>>,
         M: EnvelopedMessage,
     {
         let prev_handler = self.handlers.insert(
             TypeId::of::<M>(),
-            Box::new(move |envelope, session| {
+            Box::new(move |envelope, session, span| {
                 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
                 let received_at = envelope.received_at;
                 tracing::info!("message received");
                 let start_time = Instant::now();
-                let future = (handler)(*envelope, session);
+                let future = (handler)(
+                    *envelope,
+                    MessageContext {
+                        session,
+                        span: span.clone(),
+                    },
+                );
                 async move {
                     let result = future.await;
                     let total_duration_ms = received_at.elapsed().as_micros() as f64 / 1000.0;
                     let processing_duration_ms = start_time.elapsed().as_micros() as f64 / 1000.0;
                     let queue_duration_ms = total_duration_ms - processing_duration_ms;
-                    let payload_type = M::NAME;
-
+                    span.record(TOTAL_DURATION_MS, total_duration_ms);
+                    span.record(PROCESSING_DURATION_MS, processing_duration_ms);
+                    span.record(QUEUE_DURATION_MS, queue_duration_ms);
                     match result {
                         Err(error) => {
-                            tracing::error!(
-                                ?error,
-                                total_duration_ms,
-                                processing_duration_ms,
-                                queue_duration_ms,
-                                payload_type,
-                                "error handling message"
-                            )
+                            tracing::error!(?error, "error handling message")
                         }
-                        Ok(()) => tracing::info!(
-                            total_duration_ms,
-                            processing_duration_ms,
-                            queue_duration_ms,
-                            "finished handling message"
-                        ),
+                        Ok(()) => tracing::info!("finished handling message"),
                     }
                 }
                 .boxed()
@@ -698,7 +717,7 @@ impl Server {
 
     fn add_message_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
     where
-        F: 'static + Send + Sync + Fn(M, Session) -> Fut,
+        F: 'static + Send + Sync + Fn(M, MessageContext) -> Fut,
         Fut: 'static + Send + Future<Output = Result<()>>,
         M: EnvelopedMessage,
     {
@@ -708,7 +727,7 @@ impl Server {
 
     fn add_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
     where
-        F: 'static + Send + Sync + Fn(M, Response<M>, Session) -> Fut,
+        F: 'static + Send + Sync + Fn(M, Response<M>, MessageContext) -> Fut,
         Fut: Send + Future<Output = Result<()>>,
         M: RequestMessage,
     {
@@ -751,6 +770,7 @@ impl Server {
         address: String,
         principal: Principal,
         zed_version: ZedVersion,
+        release_channel: Option<String>,
         user_agent: Option<String>,
         geoip_country_code: Option<String>,
         system_id: Option<String>,
@@ -765,12 +785,16 @@ impl Server {
             login=field::Empty,
             impersonator=field::Empty,
             user_agent=field::Empty,
-            geoip_country_code=field::Empty
+            geoip_country_code=field::Empty,
+            release_channel=field::Empty,
         );
         principal.update_span(&span);
         if let Some(user_agent) = user_agent {
             span.record("user_agent", user_agent);
         }
+        if let Some(release_channel) = release_channel {
+            span.record("release_channel", release_channel);
+        }
 
         if let Some(country_code) = geoip_country_code.as_ref() {
             span.record("geoip_country_code", country_code);
@@ -780,12 +804,11 @@ impl Server {
         async move {
             if *teardown.borrow() {
                 tracing::error!("server is tearing down");
-                return
+                return;
             }
 
-            let (connection_id, handle_io, mut incoming_rx) = this
-                .peer
-                .add_connection(connection, {
+            let (connection_id, handle_io, mut incoming_rx) =
+                this.peer.add_connection(connection, {
                     let executor = executor.clone();
                     move |duration| executor.sleep(duration)
                 });
@@ -802,10 +825,14 @@ impl Server {
                 }
             };
 
-            let supermaven_client = this.app_state.config.supermaven_admin_api_key.clone().map(|supermaven_admin_api_key| Arc::new(SupermavenAdminApi::new(
-                    supermaven_admin_api_key.to_string(),
-                    http_client.clone(),
-                )));
+            let supermaven_client = this.app_state.config.supermaven_admin_api_key.clone().map(
+                |supermaven_admin_api_key| {
+                    Arc::new(SupermavenAdminApi::new(
+                        supermaven_admin_api_key.to_string(),
+                        http_client.clone(),
+                    ))
+                },
+            );
 
             let session = Session {
                 principal: principal.clone(),
@@ -820,7 +847,15 @@ impl Server {
                 supermaven_client,
             };
 
-            if let Err(error) = this.send_initial_client_update(connection_id, zed_version, send_connection_id, &session).await {
+            if let Err(error) = this
+                .send_initial_client_update(
+                    connection_id,
+                    zed_version,
+                    send_connection_id,
+                    &session,
+                )
+                .await
+            {
                 tracing::error!(?error, "failed to send initial client update");
                 return;
             }
@@ -837,14 +872,22 @@ impl Server {
             //
             // This arrangement ensures we will attempt to process earlier messages first, but fall
             // back to processing messages arrived later in the spirit of making progress.
+            const MAX_CONCURRENT_HANDLERS: usize = 256;
             let mut foreground_message_handlers = FuturesUnordered::new();
-            let concurrent_handlers = Arc::new(Semaphore::new(512));
+            let concurrent_handlers = Arc::new(Semaphore::new(MAX_CONCURRENT_HANDLERS));
+            let get_concurrent_handlers = {
+                let concurrent_handlers = concurrent_handlers.clone();
+                move || MAX_CONCURRENT_HANDLERS - concurrent_handlers.available_permits()
+            };
             loop {
                 let next_message = async {
                     let permit = concurrent_handlers.clone().acquire_owned().await.unwrap();
                     let message = incoming_rx.next().await;
-                    (permit, message)
-                }.fuse();
+                    // Cache the concurrent_handlers here, so that we know what the
+                    // queue looks like as each handler starts
+                    (permit, message, get_concurrent_handlers())
+                }
+                .fuse();
                 futures::pin_mut!(next_message);
                 futures::select_biased! {
                     _ = teardown.changed().fuse() => return,
@@ -856,21 +899,33 @@ impl Server {
                     }
                     _ = foreground_message_handlers.next() => {}
                     next_message = next_message => {
-                        let (permit, message) = next_message;
+                        let (permit, message, concurrent_handlers) = next_message;
                         if let Some(message) = message {
                             let type_name = message.payload_type_name();
                             // note: we copy all the fields from the parent span so we can query them in the logs.
                             // (https://github.com/tokio-rs/tracing/issues/2670).
-                            let span = tracing::info_span!("receive message", %connection_id, %address, type_name,
+                            let span = tracing::info_span!("receive message",
+                                %connection_id,
+                                %address,
+                                type_name,
+                                concurrent_handlers,
                                 user_id=field::Empty,
                                 login=field::Empty,
                                 impersonator=field::Empty,
+                                // todo(lsp) remove after Zed Stable hits v0.204.x
+                                multi_lsp_query_request=field::Empty,
+                                lsp_query_request=field::Empty,
+                                release_channel=field::Empty,
+                                { TOTAL_DURATION_MS }=field::Empty,
+                                { PROCESSING_DURATION_MS }=field::Empty,
+                                { QUEUE_DURATION_MS }=field::Empty,
+                                { HOST_WAITING_MS }=field::Empty
                             );
                             principal.update_span(&span);
                             let span_enter = span.enter();
                             if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
                                 let is_background = message.is_background();
-                                let handle_message = (handler)(message, session.clone());
+                                let handle_message = (handler)(message, session.clone(), span.clone());
                                 drop(span_enter);
 
                                 let handle_message = async move {
@@ -894,12 +949,13 @@ impl Server {
             }
 
             drop(foreground_message_handlers);
-            tracing::info!("signing out");
+            let concurrent_handlers = get_concurrent_handlers();
+            tracing::info!(concurrent_handlers, "signing out");
             if let Err(error) = connection_lost(session, teardown, executor).await {
                 tracing::error!(?error, "error signing out");
             }
-
-        }.instrument(span)
+        }
+        .instrument(span)
     }
 
     async fn send_initial_client_update(
@@ -930,8 +986,6 @@ impl Server {
                         .await?;
                 }
 
-                update_user_plan(session).await?;
-
                 let contacts = self.app_state.db.get_contacts(user.id).await?;
 
                 {
@@ -965,99 +1019,52 @@ impl Server {
         inviter_id: UserId,
         invitee_id: UserId,
     ) -> Result<()> {
-        if let Some(user) = self.app_state.db.get_user_by_id(inviter_id).await? {
-            if let Some(code) = &user.invite_code {
-                let pool = self.connection_pool.lock();
-                let invitee_contact = contact_for_user(invitee_id, false, &pool);
-                for connection_id in pool.user_connection_ids(inviter_id) {
-                    self.peer.send(
-                        connection_id,
-                        proto::UpdateContacts {
-                            contacts: vec![invitee_contact.clone()],
-                            ..Default::default()
-                        },
-                    )?;
-                    self.peer.send(
-                        connection_id,
-                        proto::UpdateInviteInfo {
-                            url: format!("{}{}", self.app_state.config.invite_link_prefix, &code),
-                            count: user.invite_count as u32,
-                        },
-                    )?;
-                }
+        if let Some(user) = self.app_state.db.get_user_by_id(inviter_id).await?
+            && let Some(code) = &user.invite_code
+        {
+            let pool = self.connection_pool.lock();
+            let invitee_contact = contact_for_user(invitee_id, false, &pool);
+            for connection_id in pool.user_connection_ids(inviter_id) {
+                self.peer.send(
+                    connection_id,
+                    proto::UpdateContacts {
+                        contacts: vec![invitee_contact.clone()],
+                        ..Default::default()
+                    },
+                )?;
+                self.peer.send(
+                    connection_id,
+                    proto::UpdateInviteInfo {
+                        url: format!("{}{}", self.app_state.config.invite_link_prefix, &code),
+                        count: user.invite_count as u32,
+                    },
+                )?;
             }
         }
         Ok(())
     }
 
     pub async fn invite_count_updated(self: &Arc<Self>, user_id: UserId) -> Result<()> {
-        if let Some(user) = self.app_state.db.get_user_by_id(user_id).await? {
-            if let Some(invite_code) = &user.invite_code {
-                let pool = self.connection_pool.lock();
-                for connection_id in pool.user_connection_ids(user_id) {
-                    self.peer.send(
-                        connection_id,
-                        proto::UpdateInviteInfo {
-                            url: format!(
-                                "{}{}",
-                                self.app_state.config.invite_link_prefix, invite_code
-                            ),
-                            count: user.invite_count as u32,
-                        },
-                    )?;
-                }
+        if let Some(user) = self.app_state.db.get_user_by_id(user_id).await?
+            && let Some(invite_code) = &user.invite_code
+        {
+            let pool = self.connection_pool.lock();
+            for connection_id in pool.user_connection_ids(user_id) {
+                self.peer.send(
+                    connection_id,
+                    proto::UpdateInviteInfo {
+                        url: format!(
+                            "{}{}",
+                            self.app_state.config.invite_link_prefix, invite_code
+                        ),
+                        count: user.invite_count as u32,
+                    },
+                )?;
             }
         }
         Ok(())
     }
 
-    pub async fn update_plan_for_user(
-        self: &Arc<Self>,
-        user_id: UserId,
-        update_user_plan: proto::UpdateUserPlan,
-    ) -> Result<()> {
-        let pool = self.connection_pool.lock();
-        for connection_id in pool.user_connection_ids(user_id) {
-            self.peer
-                .send(connection_id, update_user_plan.clone())
-                .trace_err();
-        }
-
-        Ok(())
-    }
-
-    /// This is the legacy way of updating the user's plan, where we fetch the data to construct the `UpdateUserPlan`
-    /// message on the Collab server.
-    ///
-    /// The new way is to receive the data from Cloud via the `POST /users/:id/update_plan` endpoint.
-    pub async fn update_plan_for_user_legacy(self: &Arc<Self>, user_id: UserId) -> Result<()> {
-        let user = self
-            .app_state
-            .db
-            .get_user_by_id(user_id)
-            .await?
-            .context("user not found")?;
-
-        let update_user_plan = make_update_user_plan_message(
-            &user,
-            user.admin,
-            &self.app_state.db,
-            self.app_state.llm_db.clone(),
-        )
-        .await?;
-
-        self.update_plan_for_user(user_id, update_user_plan).await
-    }
-
-    pub async fn refresh_llm_tokens_for_user(self: &Arc<Self>, user_id: UserId) {
-        let pool = self.connection_pool.lock();
-        for connection_id in pool.user_connection_ids(user_id) {
-            self.peer
-                .send(connection_id, proto::RefreshLlmToken {})
-                .trace_err();
-        }
-    }
-
     pub async fn snapshot(self: &Arc<Self>) -> ServerSnapshot<'_> {
         ServerSnapshot {
             connection_pool: ConnectionPoolGuard {
@@ -1098,10 +1105,10 @@ fn broadcast<F>(
     F: FnMut(ConnectionId) -> anyhow::Result<()>,
 {
     for receiver_id in receiver_ids {
-        if Some(receiver_id) != sender_id {
-            if let Err(error) = f(receiver_id) {
-                tracing::error!("failed to send to {:?} {}", receiver_id, error);
-            }
+        if Some(receiver_id) != sender_id
+            && let Err(error) = f(receiver_id)
+        {
+            tracing::error!("failed to send to {:?} {}", receiver_id, error);
         }
     }
 }
@@ -1161,6 +1168,35 @@ impl Header for AppVersionHeader {
     }
 }
 
+#[derive(Debug)]
+pub struct ReleaseChannelHeader(String);
+
+impl Header for ReleaseChannelHeader {
+    fn name() -> &'static HeaderName {
+        static ZED_RELEASE_CHANNEL: OnceLock<HeaderName> = OnceLock::new();
+        ZED_RELEASE_CHANNEL.get_or_init(|| HeaderName::from_static("x-zed-release-channel"))
+    }
+
+    fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
+    where
+        Self: Sized,
+        I: Iterator<Item = &'i axum::http::HeaderValue>,
+    {
+        Ok(Self(
+            values
+                .next()
+                .ok_or_else(axum::headers::Error::invalid)?
+                .to_str()
+                .map_err(|_| axum::headers::Error::invalid())?
+                .to_owned(),
+        ))
+    }
+
+    fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
+        values.extend([self.0.parse().unwrap()]);
+    }
+}
+
 pub fn routes(server: Arc<Server>) -> Router<(), Body> {
     Router::new()
         .route("/rpc", get(handle_websocket_request))
@@ -1176,6 +1212,7 @@ pub fn routes(server: Arc<Server>) -> Router<(), Body> {
 pub async fn handle_websocket_request(
     TypedHeader(ProtocolVersion(protocol_version)): TypedHeader<ProtocolVersion>,
     app_version_header: Option<TypedHeader<AppVersionHeader>>,
+    release_channel_header: Option<TypedHeader<ReleaseChannelHeader>>,
     ConnectInfo(socket_address): ConnectInfo<SocketAddr>,
     Extension(server): Extension<Arc<Server>>,
     Extension(principal): Extension<Principal>,
@@ -1200,6 +1237,8 @@ pub async fn handle_websocket_request(
             .into_response();
     };
 
+    let release_channel = release_channel_header.map(|header| header.0.0);
+
     if !version.can_collaborate() {
         return (
             StatusCode::UPGRADE_REQUIRED,
@@ -1235,6 +1274,7 @@ pub async fn handle_websocket_request(
                     socket_address,
                     principal,
                     version,
+                    release_channel,
                     user_agent.map(|header| header.to_string()),
                     country_code_header.map(|header| header.to_string()),
                     system_id_header.map(|header| header.to_string()),
@@ -1328,7 +1368,11 @@ async fn connection_lost(
 }
 
 /// Acknowledges a ping from a client, used to keep the connection alive.
-async fn ping(_: proto::Ping, response: Response<proto::Ping>, _session: Session) -> Result<()> {
+async fn ping(
+    _: proto::Ping,
+    response: Response<proto::Ping>,
+    _session: MessageContext,
+) -> Result<()> {
     response.send(proto::Ack {})?;
     Ok(())
 }
@@ -1337,7 +1381,7 @@ async fn ping(_: proto::Ping, response: Response<proto::Ping>, _session: Session
 async fn create_room(
     _request: proto::CreateRoom,
     response: Response<proto::CreateRoom>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let livekit_room = nanoid::nanoid!(30);
 
@@ -1346,9 +1390,7 @@ async fn create_room(
         let live_kit = live_kit?;
         let user_id = session.user_id().to_string();
 
-        let token = live_kit
-            .room_token(&livekit_room, &user_id.to_string())
-            .trace_err()?;
+        let token = live_kit.room_token(&livekit_room, &user_id).trace_err()?;
 
         Some(proto::LiveKitConnectionInfo {
             server_url: live_kit.url().into(),
@@ -1377,7 +1419,7 @@ async fn create_room(
 async fn join_room(
     request: proto::JoinRoom,
     response: Response<proto::JoinRoom>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let room_id = RoomId::from_proto(request.id);
 
@@ -1444,7 +1486,7 @@ async fn join_room(
 async fn rejoin_room(
     request: proto::RejoinRoom,
     response: Response<proto::RejoinRoom>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let room;
     let channel;
@@ -1572,15 +1614,15 @@ fn notify_rejoined_projects(
             }
 
             // Stream this worktree's diagnostics.
-            for summary in worktree.diagnostic_summaries {
-                session.peer.send(
-                    session.connection_id,
-                    proto::UpdateDiagnosticSummary {
-                        project_id: project.id.to_proto(),
-                        worktree_id: worktree.id,
-                        summary: Some(summary),
-                    },
-                )?;
+            let mut worktree_diagnostics = worktree.diagnostic_summaries.into_iter();
+            if let Some(summary) = worktree_diagnostics.next() {
+                let message = proto::UpdateDiagnosticSummary {
+                    project_id: project.id.to_proto(),
+                    worktree_id: worktree.id,
+                    summary: Some(summary),
+                    more_summaries: worktree_diagnostics.collect(),
+                };
+                session.peer.send(session.connection_id, message)?;
             }
 
             for settings_file in worktree.settings_files {
@@ -1621,7 +1663,7 @@ fn notify_rejoined_projects(
 async fn leave_room(
     _: proto::LeaveRoom,
     response: Response<proto::LeaveRoom>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     leave_room_for_session(&session, session.connection_id).await?;
     response.send(proto::Ack {})?;
@@ -1632,7 +1674,7 @@ async fn leave_room(
 async fn set_room_participant_role(
     request: proto::SetRoomParticipantRole,
     response: Response<proto::SetRoomParticipantRole>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let user_id = UserId::from_proto(request.user_id);
     let role = ChannelRole::from(request.role());
@@ -1680,7 +1722,7 @@ async fn set_room_participant_role(
 async fn call(
     request: proto::Call,
     response: Response<proto::Call>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let room_id = RoomId::from_proto(request.room_id);
     let calling_user_id = session.user_id();
@@ -1749,7 +1791,7 @@ async fn call(
 async fn cancel_call(
     request: proto::CancelCall,
     response: Response<proto::CancelCall>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let called_user_id = UserId::from_proto(request.called_user_id);
     let room_id = RoomId::from_proto(request.room_id);
@@ -1784,7 +1826,7 @@ async fn cancel_call(
 }
 
 /// Decline an incoming call.
-async fn decline_call(message: proto::DeclineCall, session: Session) -> Result<()> {
+async fn decline_call(message: proto::DeclineCall, session: MessageContext) -> Result<()> {
     let room_id = RoomId::from_proto(message.room_id);
     {
         let room = session
@@ -1819,7 +1861,7 @@ async fn decline_call(message: proto::DeclineCall, session: Session) -> Result<(
 async fn update_participant_location(
     request: proto::UpdateParticipantLocation,
     response: Response<proto::UpdateParticipantLocation>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let room_id = RoomId::from_proto(request.room_id);
     let location = request.location.context("invalid location")?;
@@ -1838,7 +1880,7 @@ async fn update_participant_location(
 async fn share_project(
     request: proto::ShareProject,
     response: Response<proto::ShareProject>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let (project_id, room) = &*session
         .db()
@@ -1859,7 +1901,7 @@ async fn share_project(
 }
 
 /// Unshare a project from the room.
-async fn unshare_project(message: proto::UnshareProject, session: Session) -> Result<()> {
+async fn unshare_project(message: proto::UnshareProject, session: MessageContext) -> Result<()> {
     let project_id = ProjectId::from_proto(message.project_id);
     unshare_project_internal(project_id, session.connection_id, &session).await
 }
@@ -1906,7 +1948,7 @@ async fn unshare_project_internal(
 async fn join_project(
     request: proto::JoinProject,
     response: Response<proto::JoinProject>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let project_id = ProjectId::from_proto(request.project_id);
 
@@ -1967,12 +2009,19 @@ async fn join_project(
     }
 
     // First, we send the metadata associated with each worktree.
+    let (language_servers, language_server_capabilities) = project
+        .language_servers
+        .clone()
+        .into_iter()
+        .map(|server| (server.server, server.capabilities))
+        .unzip();
     response.send(proto::JoinProjectResponse {
         project_id: project.id.0 as u64,
-        worktrees: worktrees.clone(),
+        worktrees,
         replica_id: replica_id.0 as u32,
-        collaborators: collaborators.clone(),
-        language_servers: project.language_servers.clone(),
+        collaborators,
+        language_servers,
+        language_server_capabilities,
         role: project.role.into(),
     })?;
 
@@ -1995,15 +2044,15 @@ async fn join_project(
         }
 
         // Stream this worktree's diagnostics.
-        for summary in worktree.diagnostic_summaries {
-            session.peer.send(
-                session.connection_id,
-                proto::UpdateDiagnosticSummary {
-                    project_id: project_id.to_proto(),
-                    worktree_id: worktree.id,
-                    summary: Some(summary),
-                },
-            )?;
+        let mut worktree_diagnostics = worktree.diagnostic_summaries.into_iter();
+        if let Some(summary) = worktree_diagnostics.next() {
+            let message = proto::UpdateDiagnosticSummary {
+                project_id: project.id.to_proto(),
+                worktree_id: worktree.id,
+                summary: Some(summary),
+                more_summaries: worktree_diagnostics.collect(),
+            };
+            session.peer.send(session.connection_id, message)?;
         }
 
         for settings_file in worktree.settings_files {
@@ -2031,8 +2080,8 @@ async fn join_project(
             session.connection_id,
             proto::UpdateLanguageServer {
                 project_id: project_id.to_proto(),
-                server_name: Some(language_server.name.clone()),
-                language_server_id: language_server.id,
+                server_name: Some(language_server.server.name.clone()),
+                language_server_id: language_server.server.id,
                 variant: Some(
                     proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
                         proto::LspDiskBasedDiagnosticsUpdated {},
@@ -2046,7 +2095,7 @@ async fn join_project(
 }
 
 /// Leave someone elses shared project.
-async fn leave_project(request: proto::LeaveProject, session: Session) -> Result<()> {
+async fn leave_project(request: proto::LeaveProject, session: MessageContext) -> Result<()> {
     let sender_id = session.connection_id;
     let project_id = ProjectId::from_proto(request.project_id);
     let db = session.db().await;
@@ -2069,7 +2118,7 @@ async fn leave_project(request: proto::LeaveProject, session: Session) -> Result
 async fn update_project(
     request: proto::UpdateProject,
     response: Response<proto::UpdateProject>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let project_id = ProjectId::from_proto(request.project_id);
     let (room, guest_connection_ids) = &*session
@@ -2098,7 +2147,7 @@ async fn update_project(
 async fn update_worktree(
     request: proto::UpdateWorktree,
     response: Response<proto::UpdateWorktree>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let guest_connection_ids = session
         .db()
@@ -2122,7 +2171,7 @@ async fn update_worktree(
 async fn update_repository(
     request: proto::UpdateRepository,
     response: Response<proto::UpdateRepository>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let guest_connection_ids = session
         .db()
@@ -2146,7 +2195,7 @@ async fn update_repository(
 async fn remove_repository(
     request: proto::RemoveRepository,
     response: Response<proto::RemoveRepository>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let guest_connection_ids = session
         .db()
@@ -2170,7 +2219,7 @@ async fn remove_repository(
 /// Updates other participants with changes to the diagnostics
 async fn update_diagnostic_summary(
     message: proto::UpdateDiagnosticSummary,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let guest_connection_ids = session
         .db()
@@ -2194,7 +2243,7 @@ async fn update_diagnostic_summary(
 /// Updates other participants with changes to the worktree settings
 async fn update_worktree_settings(
     message: proto::UpdateWorktreeSettings,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let guest_connection_ids = session
         .db()
@@ -2218,7 +2267,7 @@ async fn update_worktree_settings(
 /// Notify other participants that a language server has started.
 async fn start_language_server(
     request: proto::StartLanguageServer,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let guest_connection_ids = session
         .db()
@@ -2241,12 +2290,19 @@ async fn start_language_server(
 /// Notify other participants that a language server has changed.
 async fn update_language_server(
     request: proto::UpdateLanguageServer,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let project_id = ProjectId::from_proto(request.project_id);
-    let project_connection_ids = session
-        .db()
-        .await
+    let db = session.db().await;
+
+    if let Some(proto::update_language_server::Variant::MetadataUpdated(update)) = &request.variant
+        && let Some(capabilities) = update.capabilities.clone()
+    {
+        db.update_server_capabilities(project_id, request.language_server_id, capabilities)
+            .await?;
+    }
+
+    let project_connection_ids = db
         .project_connection_ids(project_id, session.connection_id, true)
         .await?;
     broadcast(
@@ -2266,7 +2322,7 @@ async fn update_language_server(
 async fn forward_read_only_project_request<T>(
     request: T,
     response: Response<T>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()>
 where
     T: EntityMessage + RequestMessage,
@@ -2277,29 +2333,7 @@ where
         .await
         .host_for_read_only_project_request(project_id, session.connection_id)
         .await?;
-    let payload = session
-        .peer
-        .forward_request(session.connection_id, host_connection_id, request)
-        .await?;
-    response.send(payload)?;
-    Ok(())
-}
-
-async fn forward_find_search_candidates_request(
-    request: proto::FindSearchCandidates,
-    response: Response<proto::FindSearchCandidates>,
-    session: Session,
-) -> Result<()> {
-    let project_id = ProjectId::from_proto(request.remote_entity_id());
-    let host_connection_id = session
-        .db()
-        .await
-        .host_for_read_only_project_request(project_id, session.connection_id)
-        .await?;
-    let payload = session
-        .peer
-        .forward_request(session.connection_id, host_connection_id, request)
-        .await?;
+    let payload = session.forward_request(host_connection_id, request).await?;
     response.send(payload)?;
     Ok(())
 }
@@ -2309,7 +2343,7 @@ async fn forward_find_search_candidates_request(
 async fn forward_mutating_project_request<T>(
     request: T,
     response: Response<T>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()>
 where
     T: EntityMessage + RequestMessage,
@@ -2321,18 +2355,41 @@ where
         .await
         .host_for_mutating_project_request(project_id, session.connection_id)
         .await?;
-    let payload = session
-        .peer
-        .forward_request(session.connection_id, host_connection_id, request)
-        .await?;
+    let payload = session.forward_request(host_connection_id, request).await?;
     response.send(payload)?;
     Ok(())
 }
 
+// todo(lsp) remove after Zed Stable hits v0.204.x
+async fn multi_lsp_query(
+    request: MultiLspQuery,
+    response: Response<MultiLspQuery>,
+    session: MessageContext,
+) -> Result<()> {
+    tracing::Span::current().record("multi_lsp_query_request", request.request_str());
+    tracing::info!("multi_lsp_query message received");
+    forward_mutating_project_request(request, response, session).await
+}
+
+async fn lsp_query(
+    request: proto::LspQuery,
+    response: Response<proto::LspQuery>,
+    session: MessageContext,
+) -> Result<()> {
+    let (name, should_write) = request.query_name_and_write_permissions();
+    tracing::Span::current().record("lsp_query_request", name);
+    tracing::info!("lsp_query message received");
+    if should_write {
+        forward_mutating_project_request(request, response, session).await
+    } else {
+        forward_read_only_project_request(request, response, session).await
+    }
+}
+
 /// Notify other participants that a new buffer has been created
 async fn create_buffer_for_peer(
     request: proto::CreateBufferForPeer,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     session
         .db()
@@ -2354,7 +2411,7 @@ async fn create_buffer_for_peer(
 async fn update_buffer(
     request: proto::UpdateBuffer,
     response: Response<proto::UpdateBuffer>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let project_id = ProjectId::from_proto(request.project_id);
     let mut capability = Capability::ReadOnly;
@@ -2389,17 +2446,14 @@ async fn update_buffer(
     };
 
     if host != session.connection_id {
-        session
-            .peer
-            .forward_request(session.connection_id, host, request.clone())
-            .await?;
+        session.forward_request(host, request.clone()).await?;
     }
 
     response.send(proto::Ack {})?;
     Ok(())
 }
 
-async fn update_context(message: proto::UpdateContext, session: Session) -> Result<()> {
+async fn update_context(message: proto::UpdateContext, session: MessageContext) -> Result<()> {
     let project_id = ProjectId::from_proto(message.project_id);
 
     let operation = message.operation.as_ref().context("invalid operation")?;
@@ -2444,7 +2498,7 @@ async fn update_context(message: proto::UpdateContext, session: Session) -> Resu
 /// Notify other participants that a project has been updated.
 async fn broadcast_project_message_from_host<T: EntityMessage<Entity = ShareProject>>(
     request: T,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let project_id = ProjectId::from_proto(request.remote_entity_id());
     let project_connection_ids = session
@@ -2469,7 +2523,7 @@ async fn broadcast_project_message_from_host<T: EntityMessage<Entity = ShareProj
 async fn follow(
     request: proto::Follow,
     response: Response<proto::Follow>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let room_id = RoomId::from_proto(request.room_id);
     let project_id = request.project_id.map(ProjectId::from_proto);
@@ -2482,10 +2536,7 @@ async fn follow(
         .check_room_participants(room_id, leader_id, session.connection_id)
         .await?;
 
-    let response_payload = session
-        .peer
-        .forward_request(session.connection_id, leader_id, request)
-        .await?;
+    let response_payload = session.forward_request(leader_id, request).await?;
     response.send(response_payload)?;
 
     if let Some(project_id) = project_id {
@@ -2501,7 +2552,7 @@ async fn follow(
 }
 
 /// Stop following another user in a call.
-async fn unfollow(request: proto::Unfollow, session: Session) -> Result<()> {
+async fn unfollow(request: proto::Unfollow, session: MessageContext) -> Result<()> {
     let room_id = RoomId::from_proto(request.room_id);
     let project_id = request.project_id.map(ProjectId::from_proto);
     let leader_id = request.leader_id.context("invalid leader id")?.into();
@@ -2530,7 +2581,7 @@ async fn unfollow(request: proto::Unfollow, session: Session) -> Result<()> {
 }
 
 /// Notify everyone following you of your current location.
-async fn update_followers(request: proto::UpdateFollowers, session: Session) -> Result<()> {
+async fn update_followers(request: proto::UpdateFollowers, session: MessageContext) -> Result<()> {
     let room_id = RoomId::from_proto(request.room_id);
     let database = session.db.lock().await;
 
@@ -2565,7 +2616,7 @@ async fn update_followers(request: proto::UpdateFollowers, session: Session) ->
 async fn get_users(
     request: proto::GetUsers,
     response: Response<proto::GetUsers>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let user_ids = request
         .user_ids
@@ -2593,7 +2644,7 @@ async fn get_users(
 async fn fuzzy_search_users(
     request: proto::FuzzySearchUsers,
     response: Response<proto::FuzzySearchUsers>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let query = request.query;
     let users = match query.len() {
@@ -2625,7 +2676,7 @@ async fn fuzzy_search_users(
 async fn request_contact(
     request: proto::RequestContact,
     response: Response<proto::RequestContact>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let requester_id = session.user_id();
     let responder_id = UserId::from_proto(request.responder_id);
@@ -2672,7 +2723,7 @@ async fn request_contact(
 async fn respond_to_contact_request(
     request: proto::RespondToContactRequest,
     response: Response<proto::RespondToContactRequest>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let responder_id = session.user_id();
     let requester_id = UserId::from_proto(request.requester_id);
@@ -2730,7 +2781,7 @@ async fn respond_to_contact_request(
 async fn remove_contact(
     request: proto::RemoveContact,
     response: Response<proto::RemoveContact>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let requester_id = session.user_id();
     let responder_id = UserId::from_proto(request.user_id);
@@ -2781,215 +2832,10 @@ fn should_auto_subscribe_to_channels(version: ZedVersion) -> bool {
     version.0.minor() < 139
 }
 
-async fn current_plan(db: &Arc<Database>, user_id: UserId, is_staff: bool) -> Result<proto::Plan> {
-    if is_staff {
-        return Ok(proto::Plan::ZedPro);
-    }
-
-    let subscription = db.get_active_billing_subscription(user_id).await?;
-    let subscription_kind = subscription.and_then(|subscription| subscription.kind);
-
-    let plan = if let Some(subscription_kind) = subscription_kind {
-        match subscription_kind {
-            SubscriptionKind::ZedPro => proto::Plan::ZedPro,
-            SubscriptionKind::ZedProTrial => proto::Plan::ZedProTrial,
-            SubscriptionKind::ZedFree => proto::Plan::Free,
-        }
-    } else {
-        proto::Plan::Free
-    };
-
-    Ok(plan)
-}
-
-async fn make_update_user_plan_message(
-    user: &User,
-    is_staff: bool,
-    db: &Arc<Database>,
-    llm_db: Option<Arc<LlmDatabase>>,
-) -> Result<proto::UpdateUserPlan> {
-    let feature_flags = db.get_user_flags(user.id).await?;
-    let plan = current_plan(db, user.id, is_staff).await?;
-    let billing_customer = db.get_billing_customer_by_user_id(user.id).await?;
-    let billing_preferences = db.get_billing_preferences(user.id).await?;
-
-    let (subscription_period, usage) = if let Some(llm_db) = llm_db {
-        let subscription = db.get_active_billing_subscription(user.id).await?;
-
-        let subscription_period =
-            crate::db::billing_subscription::Model::current_period(subscription, is_staff);
-
-        let usage = if let Some((period_start_at, period_end_at)) = subscription_period {
-            llm_db
-                .get_subscription_usage_for_period(user.id, period_start_at, period_end_at)
-                .await?
-        } else {
-            None
-        };
-
-        (subscription_period, usage)
-    } else {
-        (None, None)
-    };
-
-    let bypass_account_age_check = feature_flags
-        .iter()
-        .any(|flag| flag == BYPASS_ACCOUNT_AGE_CHECK_FEATURE_FLAG);
-    let account_too_young = !matches!(plan, proto::Plan::ZedPro)
-        && !bypass_account_age_check
-        && user.account_age() < MIN_ACCOUNT_AGE_FOR_LLM_USE;
-
-    Ok(proto::UpdateUserPlan {
-        plan: plan.into(),
-        trial_started_at: billing_customer
-            .as_ref()
-            .and_then(|billing_customer| billing_customer.trial_started_at)
-            .map(|trial_started_at| trial_started_at.and_utc().timestamp() as u64),
-        is_usage_based_billing_enabled: if is_staff {
-            Some(true)
-        } else {
-            billing_preferences.map(|preferences| preferences.model_request_overages_enabled)
-        },
-        subscription_period: subscription_period.map(|(started_at, ended_at)| {
-            proto::SubscriptionPeriod {
-                started_at: started_at.timestamp() as u64,
-                ended_at: ended_at.timestamp() as u64,
-            }
-        }),
-        account_too_young: Some(account_too_young),
-        has_overdue_invoices: billing_customer
-            .map(|billing_customer| billing_customer.has_overdue_invoices),
-        usage: Some(
-            usage
-                .map(|usage| subscription_usage_to_proto(plan, usage, &feature_flags))
-                .unwrap_or_else(|| make_default_subscription_usage(plan, &feature_flags)),
-        ),
-    })
-}
-
-fn model_requests_limit(
-    plan: cloud_llm_client::Plan,
-    feature_flags: &Vec<String>,
-) -> cloud_llm_client::UsageLimit {
-    match plan.model_requests_limit() {
-        cloud_llm_client::UsageLimit::Limited(limit) => {
-            let limit = if plan == cloud_llm_client::Plan::ZedProTrial
-                && feature_flags
-                    .iter()
-                    .any(|flag| flag == AGENT_EXTENDED_TRIAL_FEATURE_FLAG)
-            {
-                1_000
-            } else {
-                limit
-            };
-
-            cloud_llm_client::UsageLimit::Limited(limit)
-        }
-        cloud_llm_client::UsageLimit::Unlimited => cloud_llm_client::UsageLimit::Unlimited,
-    }
-}
-
-fn subscription_usage_to_proto(
-    plan: proto::Plan,
-    usage: crate::llm::db::subscription_usage::Model,
-    feature_flags: &Vec<String>,
-) -> proto::SubscriptionUsage {
-    let plan = match plan {
-        proto::Plan::Free => cloud_llm_client::Plan::ZedFree,
-        proto::Plan::ZedPro => cloud_llm_client::Plan::ZedPro,
-        proto::Plan::ZedProTrial => cloud_llm_client::Plan::ZedProTrial,
-    };
-
-    proto::SubscriptionUsage {
-        model_requests_usage_amount: usage.model_requests as u32,
-        model_requests_usage_limit: Some(proto::UsageLimit {
-            variant: Some(match model_requests_limit(plan, feature_flags) {
-                cloud_llm_client::UsageLimit::Limited(limit) => {
-                    proto::usage_limit::Variant::Limited(proto::usage_limit::Limited {
-                        limit: limit as u32,
-                    })
-                }
-                cloud_llm_client::UsageLimit::Unlimited => {
-                    proto::usage_limit::Variant::Unlimited(proto::usage_limit::Unlimited {})
-                }
-            }),
-        }),
-        edit_predictions_usage_amount: usage.edit_predictions as u32,
-        edit_predictions_usage_limit: Some(proto::UsageLimit {
-            variant: Some(match plan.edit_predictions_limit() {
-                cloud_llm_client::UsageLimit::Limited(limit) => {
-                    proto::usage_limit::Variant::Limited(proto::usage_limit::Limited {
-                        limit: limit as u32,
-                    })
-                }
-                cloud_llm_client::UsageLimit::Unlimited => {
-                    proto::usage_limit::Variant::Unlimited(proto::usage_limit::Unlimited {})
-                }
-            }),
-        }),
-    }
-}
-
-fn make_default_subscription_usage(
-    plan: proto::Plan,
-    feature_flags: &Vec<String>,
-) -> proto::SubscriptionUsage {
-    let plan = match plan {
-        proto::Plan::Free => cloud_llm_client::Plan::ZedFree,
-        proto::Plan::ZedPro => cloud_llm_client::Plan::ZedPro,
-        proto::Plan::ZedProTrial => cloud_llm_client::Plan::ZedProTrial,
-    };
-
-    proto::SubscriptionUsage {
-        model_requests_usage_amount: 0,
-        model_requests_usage_limit: Some(proto::UsageLimit {
-            variant: Some(match model_requests_limit(plan, feature_flags) {
-                cloud_llm_client::UsageLimit::Limited(limit) => {
-                    proto::usage_limit::Variant::Limited(proto::usage_limit::Limited {
-                        limit: limit as u32,
-                    })
-                }
-                cloud_llm_client::UsageLimit::Unlimited => {
-                    proto::usage_limit::Variant::Unlimited(proto::usage_limit::Unlimited {})
-                }
-            }),
-        }),
-        edit_predictions_usage_amount: 0,
-        edit_predictions_usage_limit: Some(proto::UsageLimit {
-            variant: Some(match plan.edit_predictions_limit() {
-                cloud_llm_client::UsageLimit::Limited(limit) => {
-                    proto::usage_limit::Variant::Limited(proto::usage_limit::Limited {
-                        limit: limit as u32,
-                    })
-                }
-                cloud_llm_client::UsageLimit::Unlimited => {
-                    proto::usage_limit::Variant::Unlimited(proto::usage_limit::Unlimited {})
-                }
-            }),
-        }),
-    }
-}
-
-async fn update_user_plan(session: &Session) -> Result<()> {
-    let db = session.db().await;
-
-    let update_user_plan = make_update_user_plan_message(
-        session.principal.user(),
-        session.is_staff(),
-        &db.0,
-        session.app_state.llm_db.clone(),
-    )
-    .await?;
-
-    session
-        .peer
-        .send(session.connection_id, update_user_plan)
-        .trace_err();
-
-    Ok(())
-}
-
-async fn subscribe_to_channels(_: proto::SubscribeToChannels, session: Session) -> Result<()> {
+async fn subscribe_to_channels(
+    _: proto::SubscribeToChannels,
+    session: MessageContext,
+) -> Result<()> {
     subscribe_user_to_channels(session.user_id(), &session).await?;
     Ok(())
 }
@@ -3015,7 +2861,7 @@ async fn subscribe_user_to_channels(user_id: UserId, session: &Session) -> Resul
 async fn create_channel(
     request: proto::CreateChannel,
     response: Response<proto::CreateChannel>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
 
@@ -3070,7 +2916,7 @@ async fn create_channel(
 async fn delete_channel(
     request: proto::DeleteChannel,
     response: Response<proto::DeleteChannel>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
 
@@ -3098,7 +2944,7 @@ async fn delete_channel(
 async fn invite_channel_member(
     request: proto::InviteChannelMember,
     response: Response<proto::InviteChannelMember>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
     let channel_id = ChannelId::from_proto(request.channel_id);
@@ -3135,7 +2981,7 @@ async fn invite_channel_member(
 async fn remove_channel_member(
     request: proto::RemoveChannelMember,
     response: Response<proto::RemoveChannelMember>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
     let channel_id = ChannelId::from_proto(request.channel_id);
@@ -3179,7 +3025,7 @@ async fn remove_channel_member(
 async fn set_channel_visibility(
     request: proto::SetChannelVisibility,
     response: Response<proto::SetChannelVisibility>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
     let channel_id = ChannelId::from_proto(request.channel_id);
@@ -3224,7 +3070,7 @@ async fn set_channel_visibility(
 async fn set_channel_member_role(
     request: proto::SetChannelMemberRole,
     response: Response<proto::SetChannelMemberRole>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
     let channel_id = ChannelId::from_proto(request.channel_id);
@@ -3272,7 +3118,7 @@ async fn set_channel_member_role(
 async fn rename_channel(
     request: proto::RenameChannel,
     response: Response<proto::RenameChannel>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
     let channel_id = ChannelId::from_proto(request.channel_id);
@@ -3304,7 +3150,7 @@ async fn rename_channel(
 async fn move_channel(
     request: proto::MoveChannel,
     response: Response<proto::MoveChannel>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let channel_id = ChannelId::from_proto(request.channel_id);
     let to = ChannelId::from_proto(request.to);
@@ -3346,7 +3192,7 @@ async fn move_channel(
 async fn reorder_channel(
     request: proto::ReorderChannel,
     response: Response<proto::ReorderChannel>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let channel_id = ChannelId::from_proto(request.channel_id);
     let direction = request.direction();
@@ -3392,7 +3238,7 @@ async fn reorder_channel(
 async fn get_channel_members(
     request: proto::GetChannelMembers,
     response: Response<proto::GetChannelMembers>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
     let channel_id = ChannelId::from_proto(request.channel_id);
@@ -3412,7 +3258,7 @@ async fn get_channel_members(
 async fn respond_to_channel_invite(
     request: proto::RespondToChannelInvite,
     response: Response<proto::RespondToChannelInvite>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
     let channel_id = ChannelId::from_proto(request.channel_id);
@@ -3453,7 +3299,7 @@ async fn respond_to_channel_invite(
 async fn join_channel(
     request: proto::JoinChannel,
     response: Response<proto::JoinChannel>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let channel_id = ChannelId::from_proto(request.channel_id);
     join_channel_internal(channel_id, Box::new(response), session).await
@@ -3476,7 +3322,7 @@ impl JoinChannelInternalResponse for Response<proto::JoinRoom> {
 async fn join_channel_internal(
     channel_id: ChannelId,
     response: Box<impl JoinChannelInternalResponse>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let joined_room = {
         let mut db = session.db().await;
@@ -3571,7 +3417,7 @@ async fn join_channel_internal(
 async fn join_channel_buffer(
     request: proto::JoinChannelBuffer,
     response: Response<proto::JoinChannelBuffer>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
     let channel_id = ChannelId::from_proto(request.channel_id);
@@ -3602,7 +3448,7 @@ async fn join_channel_buffer(
 /// Edit the channel notes
 async fn update_channel_buffer(
     request: proto::UpdateChannelBuffer,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
     let channel_id = ChannelId::from_proto(request.channel_id);
@@ -3654,7 +3500,7 @@ async fn update_channel_buffer(
 async fn rejoin_channel_buffers(
     request: proto::RejoinChannelBuffers,
     response: Response<proto::RejoinChannelBuffers>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
     let buffers = db
@@ -3689,7 +3535,7 @@ async fn rejoin_channel_buffers(
 async fn leave_channel_buffer(
     request: proto::LeaveChannelBuffer,
     response: Response<proto::LeaveChannelBuffer>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let db = session.db().await;
     let channel_id = ChannelId::from_proto(request.channel_id);
@@ -3751,7 +3597,7 @@ fn send_notifications(
 async fn send_channel_message(
     request: proto::SendChannelMessage,
     response: Response<proto::SendChannelMessage>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     // Validate the message body.
     let body = request.body.trim().to_string();
@@ -3844,7 +3690,7 @@ async fn send_channel_message(
 async fn remove_channel_message(
     request: proto::RemoveChannelMessage,
     response: Response<proto::RemoveChannelMessage>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let channel_id = ChannelId::from_proto(request.channel_id);
     let message_id = MessageId::from_proto(request.message_id);
@@ -3879,7 +3725,7 @@ async fn remove_channel_message(
 async fn update_channel_message(
     request: proto::UpdateChannelMessage,
     response: Response<proto::UpdateChannelMessage>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let channel_id = ChannelId::from_proto(request.channel_id);
     let message_id = MessageId::from_proto(request.message_id);
@@ -3963,7 +3809,7 @@ async fn update_channel_message(
 /// Mark a channel message as read
 async fn acknowledge_channel_message(
     request: proto::AckChannelMessage,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let channel_id = ChannelId::from_proto(request.channel_id);
     let message_id = MessageId::from_proto(request.message_id);
@@ -3983,7 +3829,7 @@ async fn acknowledge_channel_message(
 /// Mark a buffer version as synced
 async fn acknowledge_buffer_version(
     request: proto::AckBufferOperation,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let buffer_id = BufferId::from_proto(request.buffer_id);
     session
@@ -4003,7 +3849,7 @@ async fn acknowledge_buffer_version(
 async fn get_supermaven_api_key(
     _request: proto::GetSupermavenApiKey,
     response: Response<proto::GetSupermavenApiKey>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let user_id: String = session.user_id().to_string();
     if !session.is_staff() {
@@ -4032,7 +3878,7 @@ async fn get_supermaven_api_key(
 async fn join_channel_chat(
     request: proto::JoinChannelChat,
     response: Response<proto::JoinChannelChat>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let channel_id = ChannelId::from_proto(request.channel_id);
 
@@ -4050,7 +3896,10 @@ async fn join_channel_chat(
 }
 
 /// Stop receiving chat updates for a channel
-async fn leave_channel_chat(request: proto::LeaveChannelChat, session: Session) -> Result<()> {
+async fn leave_channel_chat(
+    request: proto::LeaveChannelChat,
+    session: MessageContext,
+) -> Result<()> {
     let channel_id = ChannelId::from_proto(request.channel_id);
     session
         .db()
@@ -4064,7 +3913,7 @@ async fn leave_channel_chat(request: proto::LeaveChannelChat, session: Session)
 async fn get_channel_messages(
     request: proto::GetChannelMessages,
     response: Response<proto::GetChannelMessages>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let channel_id = ChannelId::from_proto(request.channel_id);
     let messages = session
@@ -4088,7 +3937,7 @@ async fn get_channel_messages(
 async fn get_channel_messages_by_id(
     request: proto::GetChannelMessagesById,
     response: Response<proto::GetChannelMessagesById>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let message_ids = request
         .message_ids
@@ -4111,7 +3960,7 @@ async fn get_channel_messages_by_id(
 async fn get_notifications(
     request: proto::GetNotifications,
     response: Response<proto::GetNotifications>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let notifications = session
         .db()
@@ -4133,7 +3982,7 @@ async fn get_notifications(
 async fn mark_notification_as_read(
     request: proto::MarkNotificationRead,
     response: Response<proto::MarkNotificationRead>,
-    session: Session,
+    session: MessageContext,
 ) -> Result<()> {
     let database = &session.db().await;
     let notifications = database
@@ -4151,139 +4000,6 @@ async fn mark_notification_as_read(
     Ok(())
 }
 
-/// Get the current users information
-async fn get_private_user_info(
-    _request: proto::GetPrivateUserInfo,
-    response: Response<proto::GetPrivateUserInfo>,
-    session: Session,
-) -> Result<()> {
-    let db = session.db().await;
-
-    let metrics_id = db.get_user_metrics_id(session.user_id()).await?;
-    let user = db
-        .get_user_by_id(session.user_id())
-        .await?
-        .context("user not found")?;
-    let flags = db.get_user_flags(session.user_id()).await?;
-
-    response.send(proto::GetPrivateUserInfoResponse {
-        metrics_id,
-        staff: user.admin,
-        flags,
-        accepted_tos_at: user.accepted_tos_at.map(|t| t.and_utc().timestamp() as u64),
-    })?;
-    Ok(())
-}
-
-/// Accept the terms of service (tos) on behalf of the current user
-async fn accept_terms_of_service(
-    _request: proto::AcceptTermsOfService,
-    response: Response<proto::AcceptTermsOfService>,
-    session: Session,
-) -> Result<()> {
-    let db = session.db().await;
-
-    let accepted_tos_at = Utc::now();
-    db.set_user_accepted_tos_at(session.user_id(), Some(accepted_tos_at.naive_utc()))
-        .await?;
-
-    response.send(proto::AcceptTermsOfServiceResponse {
-        accepted_tos_at: accepted_tos_at.timestamp() as u64,
-    })?;
-
-    // When the user accepts the terms of service, we want to refresh their LLM
-    // token to grant access.
-    session
-        .peer
-        .send(session.connection_id, proto::RefreshLlmToken {})?;
-
-    Ok(())
-}
-
-async fn get_llm_api_token(
-    _request: proto::GetLlmToken,
-    response: Response<proto::GetLlmToken>,
-    session: Session,
-) -> Result<()> {
-    let db = session.db().await;
-
-    let flags = db.get_user_flags(session.user_id()).await?;
-
-    let user_id = session.user_id();
-    let user = db
-        .get_user_by_id(user_id)
-        .await?
-        .with_context(|| format!("user {user_id} not found"))?;
-
-    if user.accepted_tos_at.is_none() {
-        Err(anyhow!("terms of service not accepted"))?
-    }
-
-    let stripe_client = session
-        .app_state
-        .stripe_client
-        .as_ref()
-        .context("failed to retrieve Stripe client")?;
-
-    let stripe_billing = session
-        .app_state
-        .stripe_billing
-        .as_ref()
-        .context("failed to retrieve Stripe billing object")?;
-
-    let billing_customer = if let Some(billing_customer) =
-        db.get_billing_customer_by_user_id(user.id).await?
-    {
-        billing_customer
-    } else {
-        let customer_id = stripe_billing
-            .find_or_create_customer_by_email(user.email_address.as_deref())
-            .await?;
-
-        find_or_create_billing_customer(&session.app_state, stripe_client.as_ref(), &customer_id)
-            .await?
-            .context("billing customer not found")?
-    };
-
-    let billing_subscription =
-        if let Some(billing_subscription) = db.get_active_billing_subscription(user.id).await? {
-            billing_subscription
-        } else {
-            let stripe_customer_id =
-                StripeCustomerId(billing_customer.stripe_customer_id.clone().into());
-
-            let stripe_subscription = stripe_billing
-                .subscribe_to_zed_free(stripe_customer_id)
-                .await?;
-
-            db.create_billing_subscription(&db::CreateBillingSubscriptionParams {
-                billing_customer_id: billing_customer.id,
-                kind: Some(SubscriptionKind::ZedFree),
-                stripe_subscription_id: stripe_subscription.id.to_string(),
-                stripe_subscription_status: stripe_subscription.status.into(),
-                stripe_cancellation_reason: None,
-                stripe_current_period_start: Some(stripe_subscription.current_period_start),
-                stripe_current_period_end: Some(stripe_subscription.current_period_end),
-            })
-            .await?
-        };
-
-    let billing_preferences = db.get_billing_preferences(user.id).await?;
-
-    let token = LlmTokenClaims::create(
-        &user,
-        session.is_staff(),
-        billing_customer,
-        billing_preferences,
-        &flags,
-        billing_subscription,
-        session.system_id.clone(),
-        &session.app_state.config,
-    )?;
-    response.send(proto::GetLlmTokenResponse { token })?;
-    Ok(())
-}
-
 fn to_axum_message(message: TungsteniteMessage) -> anyhow::Result<AxumMessage> {
     let message = match message {
         TungsteniteMessage::Text(payload) => AxumMessage::Text(payload.as_str().to_string()),
diff --git a/crates/collab/src/rpc/connection_pool.rs b/crates/collab/src/rpc/connection_pool.rs
index 35290fa697..729e7c8533 100644
--- a/crates/collab/src/rpc/connection_pool.rs
+++ b/crates/collab/src/rpc/connection_pool.rs
@@ -30,7 +30,19 @@ impl fmt::Display for ZedVersion {
 
 impl ZedVersion {
     pub fn can_collaborate(&self) -> bool {
-        self.0 >= SemanticVersion::new(0, 157, 0)
+        // v0.198.4 is the first version where we no longer connect to Collab automatically.
+        // We reject any clients older than that to prevent them from connecting to Collab just for authentication.
+        if self.0 < SemanticVersion::new(0, 198, 4) {
+            return false;
+        }
+
+        // Since we hotfixed the changes to no longer connect to Collab automatically to Preview, we also need to reject
+        // versions in the range [v0.199.0, v0.199.1].
+        if self.0 >= SemanticVersion::new(0, 199, 0) && self.0 < SemanticVersion::new(0, 199, 2) {
+            return false;
+        }
+
+        true
     }
 }
 
diff --git a/crates/collab/src/stripe_billing.rs b/crates/collab/src/stripe_billing.rs
deleted file mode 100644
index 850b716a9f..0000000000
--- a/crates/collab/src/stripe_billing.rs
+++ /dev/null
@@ -1,256 +0,0 @@
-use std::sync::Arc;
-
-use anyhow::anyhow;
-use chrono::Utc;
-use collections::HashMap;
-use stripe::SubscriptionStatus;
-use tokio::sync::RwLock;
-use uuid::Uuid;
-
-use crate::Result;
-use crate::db::billing_subscription::SubscriptionKind;
-use crate::stripe_client::{
-    RealStripeClient, StripeAutomaticTax, StripeClient, StripeCreateMeterEventParams,
-    StripeCreateMeterEventPayload, StripeCreateSubscriptionItems, StripeCreateSubscriptionParams,
-    StripeCustomerId, StripePrice, StripePriceId, StripeSubscription, StripeSubscriptionId,
-    StripeSubscriptionTrialSettings, StripeSubscriptionTrialSettingsEndBehavior,
-    StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod, UpdateSubscriptionItems,
-    UpdateSubscriptionParams,
-};
-
-pub struct StripeBilling {
-    state: RwLock<StripeBillingState>,
-    client: Arc<dyn StripeClient>,
-}
-
-#[derive(Default)]
-struct StripeBillingState {
-    prices_by_lookup_key: HashMap<String, StripePrice>,
-}
-
-impl StripeBilling {
-    pub fn new(client: Arc<stripe::Client>) -> Self {
-        Self {
-            client: Arc::new(RealStripeClient::new(client.clone())),
-            state: RwLock::default(),
-        }
-    }
-
-    #[cfg(test)]
-    pub fn test(client: Arc<crate::stripe_client::FakeStripeClient>) -> Self {
-        Self {
-            client,
-            state: RwLock::default(),
-        }
-    }
-
-    pub fn client(&self) -> &Arc<dyn StripeClient> {
-        &self.client
-    }
-
-    pub async fn initialize(&self) -> Result<()> {
-        log::info!("StripeBilling: initializing");
-
-        let mut state = self.state.write().await;
-
-        let prices = self.client.list_prices().await?;
-
-        for price in prices {
-            if let Some(lookup_key) = price.lookup_key.clone() {
-                state.prices_by_lookup_key.insert(lookup_key, price);
-            }
-        }
-
-        log::info!("StripeBilling: initialized");
-
-        Ok(())
-    }
-
-    pub async fn zed_pro_price_id(&self) -> Result<StripePriceId> {
-        self.find_price_id_by_lookup_key("zed-pro").await
-    }
-
-    pub async fn zed_free_price_id(&self) -> Result<StripePriceId> {
-        self.find_price_id_by_lookup_key("zed-free").await
-    }
-
-    pub async fn find_price_id_by_lookup_key(&self, lookup_key: &str) -> Result<StripePriceId> {
-        self.state
-            .read()
-            .await
-            .prices_by_lookup_key
-            .get(lookup_key)
-            .map(|price| price.id.clone())
-            .ok_or_else(|| crate::Error::Internal(anyhow!("no price ID found for {lookup_key:?}")))
-    }
-
-    pub async fn find_price_by_lookup_key(&self, lookup_key: &str) -> Result<StripePrice> {
-        self.state
-            .read()
-            .await
-            .prices_by_lookup_key
-            .get(lookup_key)
-            .cloned()
-            .ok_or_else(|| crate::Error::Internal(anyhow!("no price found for {lookup_key:?}")))
-    }
-
-    pub async fn determine_subscription_kind(
-        &self,
-        subscription: &StripeSubscription,
-    ) -> Option<SubscriptionKind> {
-        let zed_pro_price_id = self.zed_pro_price_id().await.ok()?;
-        let zed_free_price_id = self.zed_free_price_id().await.ok()?;
-
-        subscription.items.iter().find_map(|item| {
-            let price = item.price.as_ref()?;
-
-            if price.id == zed_pro_price_id {
-                Some(if subscription.status == SubscriptionStatus::Trialing {
-                    SubscriptionKind::ZedProTrial
-                } else {
-                    SubscriptionKind::ZedPro
-                })
-            } else if price.id == zed_free_price_id {
-                Some(SubscriptionKind::ZedFree)
-            } else {
-                None
-            }
-        })
-    }
-
-    /// Returns the Stripe customer associated with the provided email address, or creates a new customer, if one does
-    /// not already exist.
-    ///
-    /// Always returns a new Stripe customer if the email address is `None`.
-    pub async fn find_or_create_customer_by_email(
-        &self,
-        email_address: Option<&str>,
-    ) -> Result<StripeCustomerId> {
-        let existing_customer = if let Some(email) = email_address {
-            let customers = self.client.list_customers_by_email(email).await?;
-
-            customers.first().cloned()
-        } else {
-            None
-        };
-
-        let customer_id = if let Some(existing_customer) = existing_customer {
-            existing_customer.id
-        } else {
-            let customer = self
-                .client
-                .create_customer(crate::stripe_client::CreateCustomerParams {
-                    email: email_address,
-                })
-                .await?;
-
-            customer.id
-        };
-
-        Ok(customer_id)
-    }
-
-    pub async fn subscribe_to_price(
-        &self,
-        subscription_id: &StripeSubscriptionId,
-        price: &StripePrice,
-    ) -> Result<()> {
-        let subscription = self.client.get_subscription(subscription_id).await?;
-
-        if subscription_contains_price(&subscription, &price.id) {
-            return Ok(());
-        }
-
-        const BILLING_THRESHOLD_IN_CENTS: i64 = 20 * 100;
-
-        let price_per_unit = price.unit_amount.unwrap_or_default();
-        let _units_for_billing_threshold = BILLING_THRESHOLD_IN_CENTS / price_per_unit;
-
-        self.client
-            .update_subscription(
-                subscription_id,
-                UpdateSubscriptionParams {
-                    items: Some(vec![UpdateSubscriptionItems {
-                        price: Some(price.id.clone()),
-                    }]),
-                    trial_settings: Some(StripeSubscriptionTrialSettings {
-                        end_behavior: StripeSubscriptionTrialSettingsEndBehavior {
-                            missing_payment_method: StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod::Cancel
-                        },
-                    }),
-                },
-            )
-            .await?;
-
-        Ok(())
-    }
-
-    pub async fn bill_model_request_usage(
-        &self,
-        customer_id: &StripeCustomerId,
-        event_name: &str,
-        requests: i32,
-    ) -> Result<()> {
-        let timestamp = Utc::now().timestamp();
-        let idempotency_key = Uuid::new_v4();
-
-        self.client
-            .create_meter_event(StripeCreateMeterEventParams {
-                identifier: &format!("model_requests/{}", idempotency_key),
-                event_name,
-                payload: StripeCreateMeterEventPayload {
-                    value: requests as u64,
-                    stripe_customer_id: customer_id,
-                },
-                timestamp: Some(timestamp),
-            })
-            .await?;
-
-        Ok(())
-    }
-
-    pub async fn subscribe_to_zed_free(
-        &self,
-        customer_id: StripeCustomerId,
-    ) -> Result<StripeSubscription> {
-        let zed_free_price_id = self.zed_free_price_id().await?;
-
-        let existing_subscriptions = self
-            .client
-            .list_subscriptions_for_customer(&customer_id)
-            .await?;
-
-        let existing_active_subscription =
-            existing_subscriptions.into_iter().find(|subscription| {
-                subscription.status == SubscriptionStatus::Active
-                    || subscription.status == SubscriptionStatus::Trialing
-            });
-        if let Some(subscription) = existing_active_subscription {
-            return Ok(subscription);
-        }
-
-        let params = StripeCreateSubscriptionParams {
-            customer: customer_id,
-            items: vec![StripeCreateSubscriptionItems {
-                price: Some(zed_free_price_id),
-                quantity: Some(1),
-            }],
-            automatic_tax: Some(StripeAutomaticTax { enabled: true }),
-        };
-
-        let subscription = self.client.create_subscription(params).await?;
-
-        Ok(subscription)
-    }
-}
-
-fn subscription_contains_price(
-    subscription: &StripeSubscription,
-    price_id: &StripePriceId,
-) -> bool {
-    subscription.items.iter().any(|item| {
-        item.price
-            .as_ref()
-            .map_or(false, |price| price.id == *price_id)
-    })
-}
diff --git a/crates/collab/src/stripe_client.rs b/crates/collab/src/stripe_client.rs
deleted file mode 100644
index 6e75a4d874..0000000000
--- a/crates/collab/src/stripe_client.rs
+++ /dev/null
@@ -1,285 +0,0 @@
-#[cfg(test)]
-mod fake_stripe_client;
-mod real_stripe_client;
-
-use std::collections::HashMap;
-use std::sync::Arc;
-
-use anyhow::Result;
-use async_trait::async_trait;
-
-#[cfg(test)]
-pub use fake_stripe_client::*;
-pub use real_stripe_client::*;
-use serde::{Deserialize, Serialize};
-
-#[derive(Debug, PartialEq, Eq, Hash, Clone, derive_more::Display, Serialize)]
-pub struct StripeCustomerId(pub Arc<str>);
-
-#[derive(Debug, Clone)]
-pub struct StripeCustomer {
-    pub id: StripeCustomerId,
-    pub email: Option<String>,
-}
-
-#[derive(Debug)]
-pub struct CreateCustomerParams<'a> {
-    pub email: Option<&'a str>,
-}
-
-#[derive(Debug)]
-pub struct UpdateCustomerParams<'a> {
-    pub email: Option<&'a str>,
-}
-
-#[derive(Debug, PartialEq, Eq, Hash, Clone, derive_more::Display)]
-pub struct StripeSubscriptionId(pub Arc<str>);
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct StripeSubscription {
-    pub id: StripeSubscriptionId,
-    pub customer: StripeCustomerId,
-    // TODO: Create our own version of this enum.
-    pub status: stripe::SubscriptionStatus,
-    pub current_period_end: i64,
-    pub current_period_start: i64,
-    pub items: Vec<StripeSubscriptionItem>,
-    pub cancel_at: Option<i64>,
-    pub cancellation_details: Option<StripeCancellationDetails>,
-}
-
-#[derive(Debug, PartialEq, Eq, Hash, Clone, derive_more::Display)]
-pub struct StripeSubscriptionItemId(pub Arc<str>);
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct StripeSubscriptionItem {
-    pub id: StripeSubscriptionItemId,
-    pub price: Option<StripePrice>,
-}
-
-#[derive(Debug, Clone, PartialEq)]
-pub struct StripeCancellationDetails {
-    pub reason: Option<StripeCancellationDetailsReason>,
-}
-
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
-pub enum StripeCancellationDetailsReason {
-    CancellationRequested,
-    PaymentDisputed,
-    PaymentFailed,
-}
-
-#[derive(Debug)]
-pub struct StripeCreateSubscriptionParams {
-    pub customer: StripeCustomerId,
-    pub items: Vec<StripeCreateSubscriptionItems>,
-    pub automatic_tax: Option<StripeAutomaticTax>,
-}
-
-#[derive(Debug)]
-pub struct StripeCreateSubscriptionItems {
-    pub price: Option<StripePriceId>,
-    pub quantity: Option<u64>,
-}
-
-#[derive(Debug, Clone)]
-pub struct UpdateSubscriptionParams {
-    pub items: Option<Vec<UpdateSubscriptionItems>>,
-    pub trial_settings: Option<StripeSubscriptionTrialSettings>,
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct UpdateSubscriptionItems {
-    pub price: Option<StripePriceId>,
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct StripeSubscriptionTrialSettings {
-    pub end_behavior: StripeSubscriptionTrialSettingsEndBehavior,
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct StripeSubscriptionTrialSettingsEndBehavior {
-    pub missing_payment_method: StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod,
-}
-
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
-pub enum StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod {
-    Cancel,
-    CreateInvoice,
-    Pause,
-}
-
-#[derive(Debug, PartialEq, Eq, Hash, Clone, derive_more::Display)]
-pub struct StripePriceId(pub Arc<str>);
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct StripePrice {
-    pub id: StripePriceId,
-    pub unit_amount: Option<i64>,
-    pub lookup_key: Option<String>,
-    pub recurring: Option<StripePriceRecurring>,
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct StripePriceRecurring {
-    pub meter: Option<String>,
-}
-
-#[derive(Debug, PartialEq, Eq, Hash, Clone, derive_more::Display, Deserialize)]
-pub struct StripeMeterId(pub Arc<str>);
-
-#[derive(Debug, Clone, Deserialize)]
-pub struct StripeMeter {
-    pub id: StripeMeterId,
-    pub event_name: String,
-}
-
-#[derive(Debug, Serialize)]
-pub struct StripeCreateMeterEventParams<'a> {
-    pub identifier: &'a str,
-    pub event_name: &'a str,
-    pub payload: StripeCreateMeterEventPayload<'a>,
-    pub timestamp: Option<i64>,
-}
-
-#[derive(Debug, Serialize)]
-pub struct StripeCreateMeterEventPayload<'a> {
-    pub value: u64,
-    pub stripe_customer_id: &'a StripeCustomerId,
-}
-
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
-pub enum StripeBillingAddressCollection {
-    Auto,
-    Required,
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct StripeCustomerUpdate {
-    pub address: Option<StripeCustomerUpdateAddress>,
-    pub name: Option<StripeCustomerUpdateName>,
-    pub shipping: Option<StripeCustomerUpdateShipping>,
-}
-
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
-pub enum StripeCustomerUpdateAddress {
-    Auto,
-    Never,
-}
-
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
-pub enum StripeCustomerUpdateName {
-    Auto,
-    Never,
-}
-
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
-pub enum StripeCustomerUpdateShipping {
-    Auto,
-    Never,
-}
-
-#[derive(Debug, Default)]
-pub struct StripeCreateCheckoutSessionParams<'a> {
-    pub customer: Option<&'a StripeCustomerId>,
-    pub client_reference_id: Option<&'a str>,
-    pub mode: Option<StripeCheckoutSessionMode>,
-    pub line_items: Option<Vec<StripeCreateCheckoutSessionLineItems>>,
-    pub payment_method_collection: Option<StripeCheckoutSessionPaymentMethodCollection>,
-    pub subscription_data: Option<StripeCreateCheckoutSessionSubscriptionData>,
-    pub success_url: Option<&'a str>,
-    pub billing_address_collection: Option<StripeBillingAddressCollection>,
-    pub customer_update: Option<StripeCustomerUpdate>,
-    pub tax_id_collection: Option<StripeTaxIdCollection>,
-}
-
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
-pub enum StripeCheckoutSessionMode {
-    Payment,
-    Setup,
-    Subscription,
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct StripeCreateCheckoutSessionLineItems {
-    pub price: Option<String>,
-    pub quantity: Option<u64>,
-}
-
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
-pub enum StripeCheckoutSessionPaymentMethodCollection {
-    Always,
-    IfRequired,
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct StripeCreateCheckoutSessionSubscriptionData {
-    pub metadata: Option<HashMap<String, String>>,
-    pub trial_period_days: Option<u32>,
-    pub trial_settings: Option<StripeSubscriptionTrialSettings>,
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct StripeTaxIdCollection {
-    pub enabled: bool,
-}
-
-#[derive(Debug, Clone)]
-pub struct StripeAutomaticTax {
-    pub enabled: bool,
-}
-
-#[derive(Debug)]
-pub struct StripeCheckoutSession {
-    pub url: Option<String>,
-}
-
-#[async_trait]
-pub trait StripeClient: Send + Sync {
-    async fn list_customers_by_email(&self, email: &str) -> Result<Vec<StripeCustomer>>;
-
-    async fn get_customer(&self, customer_id: &StripeCustomerId) -> Result<StripeCustomer>;
-
-    async fn create_customer(&self, params: CreateCustomerParams<'_>) -> Result<StripeCustomer>;
-
-    async fn update_customer(
-        &self,
-        customer_id: &StripeCustomerId,
-        params: UpdateCustomerParams<'_>,
-    ) -> Result<StripeCustomer>;
-
-    async fn list_subscriptions_for_customer(
-        &self,
-        customer_id: &StripeCustomerId,
-    ) -> Result<Vec<StripeSubscription>>;
-
-    async fn get_subscription(
-        &self,
-        subscription_id: &StripeSubscriptionId,
-    ) -> Result<StripeSubscription>;
-
-    async fn create_subscription(
-        &self,
-        params: StripeCreateSubscriptionParams,
-    ) -> Result<StripeSubscription>;
-
-    async fn update_subscription(
-        &self,
-        subscription_id: &StripeSubscriptionId,
-        params: UpdateSubscriptionParams,
-    ) -> Result<()>;
-
-    async fn cancel_subscription(&self, subscription_id: &StripeSubscriptionId) -> Result<()>;
-
-    async fn list_prices(&self) -> Result<Vec<StripePrice>>;
-
-    async fn list_meters(&self) -> Result<Vec<StripeMeter>>;
-
-    async fn create_meter_event(&self, params: StripeCreateMeterEventParams<'_>) -> Result<()>;
-
-    async fn create_checkout_session(
-        &self,
-        params: StripeCreateCheckoutSessionParams<'_>,
-    ) -> Result<StripeCheckoutSession>;
-}
diff --git a/crates/collab/src/stripe_client/fake_stripe_client.rs b/crates/collab/src/stripe_client/fake_stripe_client.rs
deleted file mode 100644
index 9bb08443ec..0000000000
--- a/crates/collab/src/stripe_client/fake_stripe_client.rs
+++ /dev/null
@@ -1,247 +0,0 @@
-use std::sync::Arc;
-
-use anyhow::{Result, anyhow};
-use async_trait::async_trait;
-use chrono::{Duration, Utc};
-use collections::HashMap;
-use parking_lot::Mutex;
-use uuid::Uuid;
-
-use crate::stripe_client::{
-    CreateCustomerParams, StripeBillingAddressCollection, StripeCheckoutSession,
-    StripeCheckoutSessionMode, StripeCheckoutSessionPaymentMethodCollection, StripeClient,
-    StripeCreateCheckoutSessionLineItems, StripeCreateCheckoutSessionParams,
-    StripeCreateCheckoutSessionSubscriptionData, StripeCreateMeterEventParams,
-    StripeCreateSubscriptionParams, StripeCustomer, StripeCustomerId, StripeCustomerUpdate,
-    StripeMeter, StripeMeterId, StripePrice, StripePriceId, StripeSubscription,
-    StripeSubscriptionId, StripeSubscriptionItem, StripeSubscriptionItemId, StripeTaxIdCollection,
-    UpdateCustomerParams, UpdateSubscriptionParams,
-};
-
-#[derive(Debug, Clone)]
-pub struct StripeCreateMeterEventCall {
-    pub identifier: Arc<str>,
-    pub event_name: Arc<str>,
-    pub value: u64,
-    pub stripe_customer_id: StripeCustomerId,
-    pub timestamp: Option<i64>,
-}
-
-#[derive(Debug, Clone)]
-pub struct StripeCreateCheckoutSessionCall {
-    pub customer: Option<StripeCustomerId>,
-    pub client_reference_id: Option<String>,
-    pub mode: Option<StripeCheckoutSessionMode>,
-    pub line_items: Option<Vec<StripeCreateCheckoutSessionLineItems>>,
-    pub payment_method_collection: Option<StripeCheckoutSessionPaymentMethodCollection>,
-    pub subscription_data: Option<StripeCreateCheckoutSessionSubscriptionData>,
-    pub success_url: Option<String>,
-    pub billing_address_collection: Option<StripeBillingAddressCollection>,
-    pub customer_update: Option<StripeCustomerUpdate>,
-    pub tax_id_collection: Option<StripeTaxIdCollection>,
-}
-
-pub struct FakeStripeClient {
-    pub customers: Arc<Mutex<HashMap<StripeCustomerId, StripeCustomer>>>,
-    pub subscriptions: Arc<Mutex<HashMap<StripeSubscriptionId, StripeSubscription>>>,
-    pub update_subscription_calls:
-        Arc<Mutex<Vec<(StripeSubscriptionId, UpdateSubscriptionParams)>>>,
-    pub prices: Arc<Mutex<HashMap<StripePriceId, StripePrice>>>,
-    pub meters: Arc<Mutex<HashMap<StripeMeterId, StripeMeter>>>,
-    pub create_meter_event_calls: Arc<Mutex<Vec<StripeCreateMeterEventCall>>>,
-    pub create_checkout_session_calls: Arc<Mutex<Vec<StripeCreateCheckoutSessionCall>>>,
-}
-
-impl FakeStripeClient {
-    pub fn new() -> Self {
-        Self {
-            customers: Arc::new(Mutex::new(HashMap::default())),
-            subscriptions: Arc::new(Mutex::new(HashMap::default())),
-            update_subscription_calls: Arc::new(Mutex::new(Vec::new())),
-            prices: Arc::new(Mutex::new(HashMap::default())),
-            meters: Arc::new(Mutex::new(HashMap::default())),
-            create_meter_event_calls: Arc::new(Mutex::new(Vec::new())),
-            create_checkout_session_calls: Arc::new(Mutex::new(Vec::new())),
-        }
-    }
-}
-
-#[async_trait]
-impl StripeClient for FakeStripeClient {
-    async fn list_customers_by_email(&self, email: &str) -> Result<Vec<StripeCustomer>> {
-        Ok(self
-            .customers
-            .lock()
-            .values()
-            .filter(|customer| customer.email.as_deref() == Some(email))
-            .cloned()
-            .collect())
-    }
-
-    async fn get_customer(&self, customer_id: &StripeCustomerId) -> Result<StripeCustomer> {
-        self.customers
-            .lock()
-            .get(customer_id)
-            .cloned()
-            .ok_or_else(|| anyhow!("no customer found for {customer_id:?}"))
-    }
-
-    async fn create_customer(&self, params: CreateCustomerParams<'_>) -> Result<StripeCustomer> {
-        let customer = StripeCustomer {
-            id: StripeCustomerId(format!("cus_{}", Uuid::new_v4()).into()),
-            email: params.email.map(|email| email.to_string()),
-        };
-
-        self.customers
-            .lock()
-            .insert(customer.id.clone(), customer.clone());
-
-        Ok(customer)
-    }
-
-    async fn update_customer(
-        &self,
-        customer_id: &StripeCustomerId,
-        params: UpdateCustomerParams<'_>,
-    ) -> Result<StripeCustomer> {
-        let mut customers = self.customers.lock();
-        if let Some(customer) = customers.get_mut(customer_id) {
-            if let Some(email) = params.email {
-                customer.email = Some(email.to_string());
-            }
-            Ok(customer.clone())
-        } else {
-            Err(anyhow!("no customer found for {customer_id:?}"))
-        }
-    }
-
-    async fn list_subscriptions_for_customer(
-        &self,
-        customer_id: &StripeCustomerId,
-    ) -> Result<Vec<StripeSubscription>> {
-        let subscriptions = self
-            .subscriptions
-            .lock()
-            .values()
-            .filter(|subscription| subscription.customer == *customer_id)
-            .cloned()
-            .collect();
-
-        Ok(subscriptions)
-    }
-
-    async fn get_subscription(
-        &self,
-        subscription_id: &StripeSubscriptionId,
-    ) -> Result<StripeSubscription> {
-        self.subscriptions
-            .lock()
-            .get(subscription_id)
-            .cloned()
-            .ok_or_else(|| anyhow!("no subscription found for {subscription_id:?}"))
-    }
-
-    async fn create_subscription(
-        &self,
-        params: StripeCreateSubscriptionParams,
-    ) -> Result<StripeSubscription> {
-        let now = Utc::now();
-
-        let subscription = StripeSubscription {
-            id: StripeSubscriptionId(format!("sub_{}", Uuid::new_v4()).into()),
-            customer: params.customer,
-            status: stripe::SubscriptionStatus::Active,
-            current_period_start: now.timestamp(),
-            current_period_end: (now + Duration::days(30)).timestamp(),
-            items: params
-                .items
-                .into_iter()
-                .map(|item| StripeSubscriptionItem {
-                    id: StripeSubscriptionItemId(format!("si_{}", Uuid::new_v4()).into()),
-                    price: item
-                        .price
-                        .and_then(|price_id| self.prices.lock().get(&price_id).cloned()),
-                })
-                .collect(),
-            cancel_at: None,
-            cancellation_details: None,
-        };
-
-        self.subscriptions
-            .lock()
-            .insert(subscription.id.clone(), subscription.clone());
-
-        Ok(subscription)
-    }
-
-    async fn update_subscription(
-        &self,
-        subscription_id: &StripeSubscriptionId,
-        params: UpdateSubscriptionParams,
-    ) -> Result<()> {
-        let subscription = self.get_subscription(subscription_id).await?;
-
-        self.update_subscription_calls
-            .lock()
-            .push((subscription.id, params));
-
-        Ok(())
-    }
-
-    async fn cancel_subscription(&self, subscription_id: &StripeSubscriptionId) -> Result<()> {
-        // TODO: Implement fake subscription cancellation.
-        let _ = subscription_id;
-
-        Ok(())
-    }
-
-    async fn list_prices(&self) -> Result<Vec<StripePrice>> {
-        let prices = self.prices.lock().values().cloned().collect();
-
-        Ok(prices)
-    }
-
-    async fn list_meters(&self) -> Result<Vec<StripeMeter>> {
-        let meters = self.meters.lock().values().cloned().collect();
-
-        Ok(meters)
-    }
-
-    async fn create_meter_event(&self, params: StripeCreateMeterEventParams<'_>) -> Result<()> {
-        self.create_meter_event_calls
-            .lock()
-            .push(StripeCreateMeterEventCall {
-                identifier: params.identifier.into(),
-                event_name: params.event_name.into(),
-                value: params.payload.value,
-                stripe_customer_id: params.payload.stripe_customer_id.clone(),
-                timestamp: params.timestamp,
-            });
-
-        Ok(())
-    }
-
-    async fn create_checkout_session(
-        &self,
-        params: StripeCreateCheckoutSessionParams<'_>,
-    ) -> Result<StripeCheckoutSession> {
-        self.create_checkout_session_calls
-            .lock()
-            .push(StripeCreateCheckoutSessionCall {
-                customer: params.customer.cloned(),
-                client_reference_id: params.client_reference_id.map(|id| id.to_string()),
-                mode: params.mode,
-                line_items: params.line_items,
-                payment_method_collection: params.payment_method_collection,
-                subscription_data: params.subscription_data,
-                success_url: params.success_url.map(|url| url.to_string()),
-                billing_address_collection: params.billing_address_collection,
-                customer_update: params.customer_update,
-                tax_id_collection: params.tax_id_collection,
-            });
-
-        Ok(StripeCheckoutSession {
-            url: Some("https://checkout.stripe.com/c/pay/cs_test_1".to_string()),
-        })
-    }
-}
diff --git a/crates/collab/src/stripe_client/real_stripe_client.rs b/crates/collab/src/stripe_client/real_stripe_client.rs
deleted file mode 100644
index 07c191ff30..0000000000
--- a/crates/collab/src/stripe_client/real_stripe_client.rs
+++ /dev/null
@@ -1,612 +0,0 @@
-use std::str::FromStr as _;
-use std::sync::Arc;
-
-use anyhow::{Context as _, Result, anyhow};
-use async_trait::async_trait;
-use serde::{Deserialize, Serialize};
-use stripe::{
-    CancellationDetails, CancellationDetailsReason, CheckoutSession, CheckoutSessionMode,
-    CheckoutSessionPaymentMethodCollection, CreateCheckoutSession, CreateCheckoutSessionLineItems,
-    CreateCheckoutSessionSubscriptionData, CreateCheckoutSessionSubscriptionDataTrialSettings,
-    CreateCheckoutSessionSubscriptionDataTrialSettingsEndBehavior,
-    CreateCheckoutSessionSubscriptionDataTrialSettingsEndBehaviorMissingPaymentMethod,
-    CreateCustomer, CreateSubscriptionAutomaticTax, Customer, CustomerId, ListCustomers, Price,
-    PriceId, Recurring, Subscription, SubscriptionId, SubscriptionItem, SubscriptionItemId,
-    UpdateCustomer, UpdateSubscriptionItems, UpdateSubscriptionTrialSettings,
-    UpdateSubscriptionTrialSettingsEndBehavior,
-    UpdateSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod,
-};
-
-use crate::stripe_client::{
-    CreateCustomerParams, StripeAutomaticTax, StripeBillingAddressCollection,
-    StripeCancellationDetails, StripeCancellationDetailsReason, StripeCheckoutSession,
-    StripeCheckoutSessionMode, StripeCheckoutSessionPaymentMethodCollection, StripeClient,
-    StripeCreateCheckoutSessionLineItems, StripeCreateCheckoutSessionParams,
-    StripeCreateCheckoutSessionSubscriptionData, StripeCreateMeterEventParams,
-    StripeCreateSubscriptionParams, StripeCustomer, StripeCustomerId, StripeCustomerUpdate,
-    StripeCustomerUpdateAddress, StripeCustomerUpdateName, StripeCustomerUpdateShipping,
-    StripeMeter, StripePrice, StripePriceId, StripePriceRecurring, StripeSubscription,
-    StripeSubscriptionId, StripeSubscriptionItem, StripeSubscriptionItemId,
-    StripeSubscriptionTrialSettings, StripeSubscriptionTrialSettingsEndBehavior,
-    StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod, StripeTaxIdCollection,
-    UpdateCustomerParams, UpdateSubscriptionParams,
-};
-
-pub struct RealStripeClient {
-    client: Arc<stripe::Client>,
-}
-
-impl RealStripeClient {
-    pub fn new(client: Arc<stripe::Client>) -> Self {
-        Self { client }
-    }
-}
-
-#[async_trait]
-impl StripeClient for RealStripeClient {
-    async fn list_customers_by_email(&self, email: &str) -> Result<Vec<StripeCustomer>> {
-        let response = Customer::list(
-            &self.client,
-            &ListCustomers {
-                email: Some(email),
-                ..Default::default()
-            },
-        )
-        .await?;
-
-        Ok(response
-            .data
-            .into_iter()
-            .map(StripeCustomer::from)
-            .collect())
-    }
-
-    async fn get_customer(&self, customer_id: &StripeCustomerId) -> Result<StripeCustomer> {
-        let customer_id = customer_id.try_into()?;
-
-        let customer = Customer::retrieve(&self.client, &customer_id, &[]).await?;
-
-        Ok(StripeCustomer::from(customer))
-    }
-
-    async fn create_customer(&self, params: CreateCustomerParams<'_>) -> Result<StripeCustomer> {
-        let customer = Customer::create(
-            &self.client,
-            CreateCustomer {
-                email: params.email,
-                ..Default::default()
-            },
-        )
-        .await?;
-
-        Ok(StripeCustomer::from(customer))
-    }
-
-    async fn update_customer(
-        &self,
-        customer_id: &StripeCustomerId,
-        params: UpdateCustomerParams<'_>,
-    ) -> Result<StripeCustomer> {
-        let customer = Customer::update(
-            &self.client,
-            &customer_id.try_into()?,
-            UpdateCustomer {
-                email: params.email,
-                ..Default::default()
-            },
-        )
-        .await?;
-
-        Ok(StripeCustomer::from(customer))
-    }
-
-    async fn list_subscriptions_for_customer(
-        &self,
-        customer_id: &StripeCustomerId,
-    ) -> Result<Vec<StripeSubscription>> {
-        let customer_id = customer_id.try_into()?;
-
-        let subscriptions = stripe::Subscription::list(
-            &self.client,
-            &stripe::ListSubscriptions {
-                customer: Some(customer_id),
-                status: None,
-                ..Default::default()
-            },
-        )
-        .await?;
-
-        Ok(subscriptions
-            .data
-            .into_iter()
-            .map(StripeSubscription::from)
-            .collect())
-    }
-
-    async fn get_subscription(
-        &self,
-        subscription_id: &StripeSubscriptionId,
-    ) -> Result<StripeSubscription> {
-        let subscription_id = subscription_id.try_into()?;
-
-        let subscription = Subscription::retrieve(&self.client, &subscription_id, &[]).await?;
-
-        Ok(StripeSubscription::from(subscription))
-    }
-
-    async fn create_subscription(
-        &self,
-        params: StripeCreateSubscriptionParams,
-    ) -> Result<StripeSubscription> {
-        let customer_id = params.customer.try_into()?;
-
-        let mut create_subscription = stripe::CreateSubscription::new(customer_id);
-        create_subscription.items = Some(
-            params
-                .items
-                .into_iter()
-                .map(|item| stripe::CreateSubscriptionItems {
-                    price: item.price.map(|price| price.to_string()),
-                    quantity: item.quantity,
-                    ..Default::default()
-                })
-                .collect(),
-        );
-        create_subscription.automatic_tax = params.automatic_tax.map(Into::into);
-
-        let subscription = Subscription::create(&self.client, create_subscription).await?;
-
-        Ok(StripeSubscription::from(subscription))
-    }
-
-    async fn update_subscription(
-        &self,
-        subscription_id: &StripeSubscriptionId,
-        params: UpdateSubscriptionParams,
-    ) -> Result<()> {
-        let subscription_id = subscription_id.try_into()?;
-
-        stripe::Subscription::update(
-            &self.client,
-            &subscription_id,
-            stripe::UpdateSubscription {
-                items: params.items.map(|items| {
-                    items
-                        .into_iter()
-                        .map(|item| UpdateSubscriptionItems {
-                            price: item.price.map(|price| price.to_string()),
-                            ..Default::default()
-                        })
-                        .collect()
-                }),
-                trial_settings: params.trial_settings.map(Into::into),
-                ..Default::default()
-            },
-        )
-        .await?;
-
-        Ok(())
-    }
-
-    async fn cancel_subscription(&self, subscription_id: &StripeSubscriptionId) -> Result<()> {
-        let subscription_id = subscription_id.try_into()?;
-
-        Subscription::cancel(
-            &self.client,
-            &subscription_id,
-            stripe::CancelSubscription {
-                invoice_now: None,
-                ..Default::default()
-            },
-        )
-        .await?;
-
-        Ok(())
-    }
-
-    async fn list_prices(&self) -> Result<Vec<StripePrice>> {
-        let response = stripe::Price::list(
-            &self.client,
-            &stripe::ListPrices {
-                limit: Some(100),
-                ..Default::default()
-            },
-        )
-        .await?;
-
-        Ok(response.data.into_iter().map(StripePrice::from).collect())
-    }
-
-    async fn list_meters(&self) -> Result<Vec<StripeMeter>> {
-        #[derive(Serialize)]
-        struct Params {
-            #[serde(skip_serializing_if = "Option::is_none")]
-            limit: Option<u64>,
-        }
-
-        let response = self
-            .client
-            .get_query::<stripe::List<StripeMeter>, _>(
-                "/billing/meters",
-                Params { limit: Some(100) },
-            )
-            .await?;
-
-        Ok(response.data)
-    }
-
-    async fn create_meter_event(&self, params: StripeCreateMeterEventParams<'_>) -> Result<()> {
-        #[derive(Deserialize)]
-        struct StripeMeterEvent {
-            pub identifier: String,
-        }
-
-        let identifier = params.identifier;
-        match self
-            .client
-            .post_form::<StripeMeterEvent, _>("/billing/meter_events", params)
-            .await
-        {
-            Ok(_event) => Ok(()),
-            Err(stripe::StripeError::Stripe(error)) => {
-                if error.http_status == 400
-                    && error
-                        .message
-                        .as_ref()
-                        .map_or(false, |message| message.contains(identifier))
-                {
-                    Ok(())
-                } else {
-                    Err(anyhow!(stripe::StripeError::Stripe(error)))
-                }
-            }
-            Err(error) => Err(anyhow!("failed to create meter event: {error:?}")),
-        }
-    }
-
-    async fn create_checkout_session(
-        &self,
-        params: StripeCreateCheckoutSessionParams<'_>,
-    ) -> Result<StripeCheckoutSession> {
-        let params = params.try_into()?;
-        let session = CheckoutSession::create(&self.client, params).await?;
-
-        Ok(session.into())
-    }
-}
-
-impl From<CustomerId> for StripeCustomerId {
-    fn from(value: CustomerId) -> Self {
-        Self(value.as_str().into())
-    }
-}
-
-impl TryFrom<StripeCustomerId> for CustomerId {
-    type Error = anyhow::Error;
-
-    fn try_from(value: StripeCustomerId) -> Result<Self, Self::Error> {
-        Self::from_str(value.0.as_ref()).context("failed to parse Stripe customer ID")
-    }
-}
-
-impl TryFrom<&StripeCustomerId> for CustomerId {
-    type Error = anyhow::Error;
-
-    fn try_from(value: &StripeCustomerId) -> Result<Self, Self::Error> {
-        Self::from_str(value.0.as_ref()).context("failed to parse Stripe customer ID")
-    }
-}
-
-impl From<Customer> for StripeCustomer {
-    fn from(value: Customer) -> Self {
-        StripeCustomer {
-            id: value.id.into(),
-            email: value.email,
-        }
-    }
-}
-
-impl From<SubscriptionId> for StripeSubscriptionId {
-    fn from(value: SubscriptionId) -> Self {
-        Self(value.as_str().into())
-    }
-}
-
-impl TryFrom<&StripeSubscriptionId> for SubscriptionId {
-    type Error = anyhow::Error;
-
-    fn try_from(value: &StripeSubscriptionId) -> Result<Self, Self::Error> {
-        Self::from_str(value.0.as_ref()).context("failed to parse Stripe subscription ID")
-    }
-}
-
-impl From<Subscription> for StripeSubscription {
-    fn from(value: Subscription) -> Self {
-        Self {
-            id: value.id.into(),
-            customer: value.customer.id().into(),
-            status: value.status,
-            current_period_start: value.current_period_start,
-            current_period_end: value.current_period_end,
-            items: value.items.data.into_iter().map(Into::into).collect(),
-            cancel_at: value.cancel_at,
-            cancellation_details: value.cancellation_details.map(Into::into),
-        }
-    }
-}
-
-impl From<CancellationDetails> for StripeCancellationDetails {
-    fn from(value: CancellationDetails) -> Self {
-        Self {
-            reason: value.reason.map(Into::into),
-        }
-    }
-}
-
-impl From<CancellationDetailsReason> for StripeCancellationDetailsReason {
-    fn from(value: CancellationDetailsReason) -> Self {
-        match value {
-            CancellationDetailsReason::CancellationRequested => Self::CancellationRequested,
-            CancellationDetailsReason::PaymentDisputed => Self::PaymentDisputed,
-            CancellationDetailsReason::PaymentFailed => Self::PaymentFailed,
-        }
-    }
-}
-
-impl From<SubscriptionItemId> for StripeSubscriptionItemId {
-    fn from(value: SubscriptionItemId) -> Self {
-        Self(value.as_str().into())
-    }
-}
-
-impl From<SubscriptionItem> for StripeSubscriptionItem {
-    fn from(value: SubscriptionItem) -> Self {
-        Self {
-            id: value.id.into(),
-            price: value.price.map(Into::into),
-        }
-    }
-}
-
-impl From<StripeAutomaticTax> for CreateSubscriptionAutomaticTax {
-    fn from(value: StripeAutomaticTax) -> Self {
-        Self {
-            enabled: value.enabled,
-            liability: None,
-        }
-    }
-}
-
-impl From<StripeSubscriptionTrialSettings> for UpdateSubscriptionTrialSettings {
-    fn from(value: StripeSubscriptionTrialSettings) -> Self {
-        Self {
-            end_behavior: value.end_behavior.into(),
-        }
-    }
-}
-
-impl From<StripeSubscriptionTrialSettingsEndBehavior>
-    for UpdateSubscriptionTrialSettingsEndBehavior
-{
-    fn from(value: StripeSubscriptionTrialSettingsEndBehavior) -> Self {
-        Self {
-            missing_payment_method: value.missing_payment_method.into(),
-        }
-    }
-}
-
-impl From<StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod>
-    for UpdateSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod
-{
-    fn from(value: StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod) -> Self {
-        match value {
-            StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod::Cancel => Self::Cancel,
-            StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod::CreateInvoice => {
-                Self::CreateInvoice
-            }
-            StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod::Pause => Self::Pause,
-        }
-    }
-}
-
-impl From<PriceId> for StripePriceId {
-    fn from(value: PriceId) -> Self {
-        Self(value.as_str().into())
-    }
-}
-
-impl TryFrom<StripePriceId> for PriceId {
-    type Error = anyhow::Error;
-
-    fn try_from(value: StripePriceId) -> Result<Self, Self::Error> {
-        Self::from_str(value.0.as_ref()).context("failed to parse Stripe price ID")
-    }
-}
-
-impl From<Price> for StripePrice {
-    fn from(value: Price) -> Self {
-        Self {
-            id: value.id.into(),
-            unit_amount: value.unit_amount,
-            lookup_key: value.lookup_key,
-            recurring: value.recurring.map(StripePriceRecurring::from),
-        }
-    }
-}
-
-impl From<Recurring> for StripePriceRecurring {
-    fn from(value: Recurring) -> Self {
-        Self { meter: value.meter }
-    }
-}
-
-impl<'a> TryFrom<StripeCreateCheckoutSessionParams<'a>> for CreateCheckoutSession<'a> {
-    type Error = anyhow::Error;
-
-    fn try_from(value: StripeCreateCheckoutSessionParams<'a>) -> Result<Self, Self::Error> {
-        Ok(Self {
-            customer: value
-                .customer
-                .map(|customer_id| customer_id.try_into())
-                .transpose()?,
-            client_reference_id: value.client_reference_id,
-            mode: value.mode.map(Into::into),
-            line_items: value
-                .line_items
-                .map(|line_items| line_items.into_iter().map(Into::into).collect()),
-            payment_method_collection: value.payment_method_collection.map(Into::into),
-            subscription_data: value.subscription_data.map(Into::into),
-            success_url: value.success_url,
-            billing_address_collection: value.billing_address_collection.map(Into::into),
-            customer_update: value.customer_update.map(Into::into),
-            tax_id_collection: value.tax_id_collection.map(Into::into),
-            ..Default::default()
-        })
-    }
-}
-
-impl From<StripeCheckoutSessionMode> for CheckoutSessionMode {
-    fn from(value: StripeCheckoutSessionMode) -> Self {
-        match value {
-            StripeCheckoutSessionMode::Payment => Self::Payment,
-            StripeCheckoutSessionMode::Setup => Self::Setup,
-            StripeCheckoutSessionMode::Subscription => Self::Subscription,
-        }
-    }
-}
-
-impl From<StripeCreateCheckoutSessionLineItems> for CreateCheckoutSessionLineItems {
-    fn from(value: StripeCreateCheckoutSessionLineItems) -> Self {
-        Self {
-            price: value.price,
-            quantity: value.quantity,
-            ..Default::default()
-        }
-    }
-}
-
-impl From<StripeCheckoutSessionPaymentMethodCollection> for CheckoutSessionPaymentMethodCollection {
-    fn from(value: StripeCheckoutSessionPaymentMethodCollection) -> Self {
-        match value {
-            StripeCheckoutSessionPaymentMethodCollection::Always => Self::Always,
-            StripeCheckoutSessionPaymentMethodCollection::IfRequired => Self::IfRequired,
-        }
-    }
-}
-
-impl From<StripeCreateCheckoutSessionSubscriptionData> for CreateCheckoutSessionSubscriptionData {
-    fn from(value: StripeCreateCheckoutSessionSubscriptionData) -> Self {
-        Self {
-            trial_period_days: value.trial_period_days,
-            trial_settings: value.trial_settings.map(Into::into),
-            metadata: value.metadata,
-            ..Default::default()
-        }
-    }
-}
-
-impl From<StripeSubscriptionTrialSettings> for CreateCheckoutSessionSubscriptionDataTrialSettings {
-    fn from(value: StripeSubscriptionTrialSettings) -> Self {
-        Self {
-            end_behavior: value.end_behavior.into(),
-        }
-    }
-}
-
-impl From<StripeSubscriptionTrialSettingsEndBehavior>
-    for CreateCheckoutSessionSubscriptionDataTrialSettingsEndBehavior
-{
-    fn from(value: StripeSubscriptionTrialSettingsEndBehavior) -> Self {
-        Self {
-            missing_payment_method: value.missing_payment_method.into(),
-        }
-    }
-}
-
-impl From<StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod>
-    for CreateCheckoutSessionSubscriptionDataTrialSettingsEndBehaviorMissingPaymentMethod
-{
-    fn from(value: StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod) -> Self {
-        match value {
-            StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod::Cancel => Self::Cancel,
-            StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod::CreateInvoice => {
-                Self::CreateInvoice
-            }
-            StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod::Pause => Self::Pause,
-        }
-    }
-}
-
-impl From<CheckoutSession> for StripeCheckoutSession {
-    fn from(value: CheckoutSession) -> Self {
-        Self { url: value.url }
-    }
-}
-
-impl From<StripeBillingAddressCollection> for stripe::CheckoutSessionBillingAddressCollection {
-    fn from(value: StripeBillingAddressCollection) -> Self {
-        match value {
-            StripeBillingAddressCollection::Auto => {
-                stripe::CheckoutSessionBillingAddressCollection::Auto
-            }
-            StripeBillingAddressCollection::Required => {
-                stripe::CheckoutSessionBillingAddressCollection::Required
-            }
-        }
-    }
-}
-
-impl From<StripeCustomerUpdateAddress> for stripe::CreateCheckoutSessionCustomerUpdateAddress {
-    fn from(value: StripeCustomerUpdateAddress) -> Self {
-        match value {
-            StripeCustomerUpdateAddress::Auto => {
-                stripe::CreateCheckoutSessionCustomerUpdateAddress::Auto
-            }
-            StripeCustomerUpdateAddress::Never => {
-                stripe::CreateCheckoutSessionCustomerUpdateAddress::Never
-            }
-        }
-    }
-}
-
-impl From<StripeCustomerUpdateName> for stripe::CreateCheckoutSessionCustomerUpdateName {
-    fn from(value: StripeCustomerUpdateName) -> Self {
-        match value {
-            StripeCustomerUpdateName::Auto => stripe::CreateCheckoutSessionCustomerUpdateName::Auto,
-            StripeCustomerUpdateName::Never => {
-                stripe::CreateCheckoutSessionCustomerUpdateName::Never
-            }
-        }
-    }
-}
-
-impl From<StripeCustomerUpdateShipping> for stripe::CreateCheckoutSessionCustomerUpdateShipping {
-    fn from(value: StripeCustomerUpdateShipping) -> Self {
-        match value {
-            StripeCustomerUpdateShipping::Auto => {
-                stripe::CreateCheckoutSessionCustomerUpdateShipping::Auto
-            }
-            StripeCustomerUpdateShipping::Never => {
-                stripe::CreateCheckoutSessionCustomerUpdateShipping::Never
-            }
-        }
-    }
-}
-
-impl From<StripeCustomerUpdate> for stripe::CreateCheckoutSessionCustomerUpdate {
-    fn from(value: StripeCustomerUpdate) -> Self {
-        stripe::CreateCheckoutSessionCustomerUpdate {
-            address: value.address.map(Into::into),
-            name: value.name.map(Into::into),
-            shipping: value.shipping.map(Into::into),
-        }
-    }
-}
-
-impl From<StripeTaxIdCollection> for stripe::CreateCheckoutSessionTaxIdCollection {
-    fn from(value: StripeTaxIdCollection) -> Self {
-        stripe::CreateCheckoutSessionTaxIdCollection {
-            enabled: value.enabled,
-        }
-    }
-}
diff --git a/crates/collab/src/tests.rs b/crates/collab/src/tests.rs
index 8d5d076780..ddf245b06f 100644
--- a/crates/collab/src/tests.rs
+++ b/crates/collab/src/tests.rs
@@ -8,7 +8,6 @@ mod channel_buffer_tests;
 mod channel_guest_tests;
 mod channel_message_tests;
 mod channel_tests;
-// mod debug_panel_tests;
 mod editor_tests;
 mod following_tests;
 mod git_tests;
@@ -18,7 +17,6 @@ mod random_channel_buffer_tests;
 mod random_project_collaboration_tests;
 mod randomized_test_helpers;
 mod remote_editing_collaboration_tests;
-mod stripe_billing_tests;
 mod test_server;
 
 use language::{Language, LanguageConfig, LanguageMatcher, tree_sitter_rust};
diff --git a/crates/collab/src/tests/editor_tests.rs b/crates/collab/src/tests/editor_tests.rs
index 73ab2b8167..59d66f1821 100644
--- a/crates/collab/src/tests/editor_tests.rs
+++ b/crates/collab/src/tests/editor_tests.rs
@@ -15,19 +15,17 @@ use editor::{
     },
 };
 use fs::Fs;
-use futures::{StreamExt, lock::Mutex};
+use futures::{SinkExt, StreamExt, channel::mpsc, lock::Mutex};
 use gpui::{App, Rgba, TestAppContext, UpdateGlobal, VisualContext, VisualTestContext};
 use indoc::indoc;
 use language::{
     FakeLspAdapter,
     language_settings::{AllLanguageSettings, InlayHintSettings},
 };
+use lsp::LSP_REQUEST_TIMEOUT;
 use project::{
     ProjectPath, SERVER_PROGRESS_THROTTLE_TIMEOUT,
-    lsp_store::{
-        lsp_ext_command::{ExpandedMacro, LspExtExpandMacro},
-        rust_analyzer_ext::RUST_ANALYZER_NAME,
-    },
+    lsp_store::lsp_ext_command::{ExpandedMacro, LspExtExpandMacro},
     project_settings::{InlineBlameSettings, ProjectSettings},
 };
 use recent_projects::disconnected_overlay::DisconnectedOverlay;
@@ -296,19 +294,28 @@ async fn test_collaborating_with_completion(cx_a: &mut TestAppContext, cx_b: &mu
         .await;
     let active_call_a = cx_a.read(ActiveCall::global);
 
+    let capabilities = lsp::ServerCapabilities {
+        completion_provider: Some(lsp::CompletionOptions {
+            trigger_characters: Some(vec![".".to_string()]),
+            resolve_provider: Some(true),
+            ..lsp::CompletionOptions::default()
+        }),
+        ..lsp::ServerCapabilities::default()
+    };
     client_a.language_registry().add(rust_lang());
     let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
         "Rust",
         FakeLspAdapter {
-            capabilities: lsp::ServerCapabilities {
-                completion_provider: Some(lsp::CompletionOptions {
-                    trigger_characters: Some(vec![".".to_string()]),
-                    resolve_provider: Some(true),
-                    ..Default::default()
-                }),
-                ..Default::default()
-            },
-            ..Default::default()
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            capabilities,
+            ..FakeLspAdapter::default()
         },
     );
 
@@ -566,11 +573,14 @@ async fn test_collaborating_with_code_actions(
 
     cx_b.update(editor::init);
 
-    // Set up a fake language server.
     client_a.language_registry().add(rust_lang());
     let mut fake_language_servers = client_a
         .language_registry()
         .register_fake_lsp("Rust", FakeLspAdapter::default());
+    client_b.language_registry().add(rust_lang());
+    client_b
+        .language_registry()
+        .register_fake_lsp("Rust", FakeLspAdapter::default());
 
     client_a
         .fs()
@@ -775,19 +785,27 @@ async fn test_collaborating_with_renames(cx_a: &mut TestAppContext, cx_b: &mut T
 
     cx_b.update(editor::init);
 
-    // Set up a fake language server.
+    let capabilities = lsp::ServerCapabilities {
+        rename_provider: Some(lsp::OneOf::Right(lsp::RenameOptions {
+            prepare_provider: Some(true),
+            work_done_progress_options: Default::default(),
+        })),
+        ..lsp::ServerCapabilities::default()
+    };
     client_a.language_registry().add(rust_lang());
     let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
         "Rust",
         FakeLspAdapter {
-            capabilities: lsp::ServerCapabilities {
-                rename_provider: Some(lsp::OneOf::Right(lsp::RenameOptions {
-                    prepare_provider: Some(true),
-                    work_done_progress_options: Default::default(),
-                })),
-                ..Default::default()
-            },
-            ..Default::default()
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            capabilities,
+            ..FakeLspAdapter::default()
         },
     );
 
@@ -818,6 +836,8 @@ async fn test_collaborating_with_renames(cx_a: &mut TestAppContext, cx_b: &mut T
         .downcast::<Editor>()
         .unwrap();
     let fake_language_server = fake_language_servers.next().await.unwrap();
+    cx_a.run_until_parked();
+    cx_b.run_until_parked();
 
     // Move cursor to a location that can be renamed.
     let prepare_rename = editor_b.update_in(cx_b, |editor, window, cx| {
@@ -998,6 +1018,211 @@ async fn test_collaborating_with_renames(cx_a: &mut TestAppContext, cx_b: &mut T
     })
 }
 
+#[gpui::test]
+async fn test_slow_lsp_server(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
+    let mut server = TestServer::start(cx_a.executor()).await;
+    let client_a = server.create_client(cx_a, "user_a").await;
+    let client_b = server.create_client(cx_b, "user_b").await;
+    server
+        .create_room(&mut [(&client_a, cx_a), (&client_b, cx_b)])
+        .await;
+    let active_call_a = cx_a.read(ActiveCall::global);
+    cx_b.update(editor::init);
+
+    let command_name = "test_command";
+    let capabilities = lsp::ServerCapabilities {
+        code_lens_provider: Some(lsp::CodeLensOptions {
+            resolve_provider: None,
+        }),
+        execute_command_provider: Some(lsp::ExecuteCommandOptions {
+            commands: vec![command_name.to_string()],
+            ..lsp::ExecuteCommandOptions::default()
+        }),
+        ..lsp::ServerCapabilities::default()
+    };
+    client_a.language_registry().add(rust_lang());
+    let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
+        "Rust",
+        FakeLspAdapter {
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            capabilities,
+            ..FakeLspAdapter::default()
+        },
+    );
+
+    client_a
+        .fs()
+        .insert_tree(
+            path!("/dir"),
+            json!({
+                "one.rs": "const ONE: usize = 1;"
+            }),
+        )
+        .await;
+    let (project_a, worktree_id) = client_a.build_local_project(path!("/dir"), cx_a).await;
+    let project_id = active_call_a
+        .update(cx_a, |call, cx| call.share_project(project_a.clone(), cx))
+        .await
+        .unwrap();
+    let project_b = client_b.join_remote_project(project_id, cx_b).await;
+
+    let (workspace_b, cx_b) = client_b.build_workspace(&project_b, cx_b);
+    let editor_b = workspace_b
+        .update_in(cx_b, |workspace, window, cx| {
+            workspace.open_path((worktree_id, "one.rs"), None, true, window, cx)
+        })
+        .await
+        .unwrap()
+        .downcast::<Editor>()
+        .unwrap();
+    let (lsp_store_b, buffer_b) = editor_b.update(cx_b, |editor, cx| {
+        let lsp_store = editor.project().unwrap().read(cx).lsp_store();
+        let buffer = editor.buffer().read(cx).as_singleton().unwrap();
+        (lsp_store, buffer)
+    });
+    let fake_language_server = fake_language_servers.next().await.unwrap();
+    cx_a.run_until_parked();
+    cx_b.run_until_parked();
+
+    let long_request_time = LSP_REQUEST_TIMEOUT / 2;
+    let (request_started_tx, mut request_started_rx) = mpsc::unbounded();
+    let requests_started = Arc::new(AtomicUsize::new(0));
+    let requests_completed = Arc::new(AtomicUsize::new(0));
+    let _lens_requests = fake_language_server
+        .set_request_handler::<lsp::request::CodeLensRequest, _, _>({
+            let request_started_tx = request_started_tx.clone();
+            let requests_started = requests_started.clone();
+            let requests_completed = requests_completed.clone();
+            move |params, cx| {
+                let mut request_started_tx = request_started_tx.clone();
+                let requests_started = requests_started.clone();
+                let requests_completed = requests_completed.clone();
+                async move {
+                    assert_eq!(
+                        params.text_document.uri.as_str(),
+                        uri!("file:///dir/one.rs")
+                    );
+                    requests_started.fetch_add(1, atomic::Ordering::Release);
+                    request_started_tx.send(()).await.unwrap();
+                    cx.background_executor().timer(long_request_time).await;
+                    let i = requests_completed.fetch_add(1, atomic::Ordering::Release) + 1;
+                    Ok(Some(vec![lsp::CodeLens {
+                        range: lsp::Range::new(lsp::Position::new(0, 0), lsp::Position::new(0, 9)),
+                        command: Some(lsp::Command {
+                            title: format!("LSP Command {i}"),
+                            command: command_name.to_string(),
+                            arguments: None,
+                        }),
+                        data: None,
+                    }]))
+                }
+            }
+        });
+
+    // Move cursor to a location, this should trigger the code lens call.
+    editor_b.update_in(cx_b, |editor, window, cx| {
+        editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
+            s.select_ranges([7..7])
+        });
+    });
+    let () = request_started_rx.next().await.unwrap();
+    assert_eq!(
+        requests_started.load(atomic::Ordering::Acquire),
+        1,
+        "Selection change should have initiated the first request"
+    );
+    assert_eq!(
+        requests_completed.load(atomic::Ordering::Acquire),
+        0,
+        "Slow requests should be running still"
+    );
+    let _first_task = lsp_store_b.update(cx_b, |lsp_store, cx| {
+        lsp_store
+            .forget_code_lens_task(buffer_b.read(cx).remote_id())
+            .expect("Should have the fetch task started")
+    });
+
+    editor_b.update_in(cx_b, |editor, window, cx| {
+        editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
+            s.select_ranges([1..1])
+        });
+    });
+    let () = request_started_rx.next().await.unwrap();
+    assert_eq!(
+        requests_started.load(atomic::Ordering::Acquire),
+        2,
+        "Selection change should have initiated the second request"
+    );
+    assert_eq!(
+        requests_completed.load(atomic::Ordering::Acquire),
+        0,
+        "Slow requests should be running still"
+    );
+    let _second_task = lsp_store_b.update(cx_b, |lsp_store, cx| {
+        lsp_store
+            .forget_code_lens_task(buffer_b.read(cx).remote_id())
+            .expect("Should have the fetch task started for the 2nd time")
+    });
+
+    editor_b.update_in(cx_b, |editor, window, cx| {
+        editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
+            s.select_ranges([2..2])
+        });
+    });
+    let () = request_started_rx.next().await.unwrap();
+    assert_eq!(
+        requests_started.load(atomic::Ordering::Acquire),
+        3,
+        "Selection change should have initiated the third request"
+    );
+    assert_eq!(
+        requests_completed.load(atomic::Ordering::Acquire),
+        0,
+        "Slow requests should be running still"
+    );
+
+    _first_task.await.unwrap();
+    _second_task.await.unwrap();
+    cx_b.run_until_parked();
+    assert_eq!(
+        requests_started.load(atomic::Ordering::Acquire),
+        3,
+        "No selection changes should trigger no more code lens requests"
+    );
+    assert_eq!(
+        requests_completed.load(atomic::Ordering::Acquire),
+        3,
+        "After enough time, all 3 LSP requests should have been served by the language server"
+    );
+    let resulting_lens_actions = editor_b
+        .update(cx_b, |editor, cx| {
+            let lsp_store = editor.project().unwrap().read(cx).lsp_store();
+            lsp_store.update(cx, |lsp_store, cx| {
+                lsp_store.code_lens_actions(&buffer_b, cx)
+            })
+        })
+        .await
+        .unwrap()
+        .unwrap();
+    assert_eq!(
+        resulting_lens_actions.len(),
+        1,
+        "Should have fetched one code lens action, but got: {resulting_lens_actions:?}"
+    );
+    assert_eq!(
+        resulting_lens_actions.first().unwrap().lsp_action.title(),
+        "LSP Command 3",
+        "Only the final code lens action should be in the data"
+    )
+}
+
 #[gpui::test(iterations = 10)]
 async fn test_language_server_statuses(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
     let mut server = TestServer::start(cx_a.executor()).await;
@@ -1055,7 +1280,7 @@ async fn test_language_server_statuses(cx_a: &mut TestAppContext, cx_b: &mut Tes
 
     project_a.read_with(cx_a, |project, cx| {
         let status = project.language_server_statuses(cx).next().unwrap().1;
-        assert_eq!(status.name, "the-language-server");
+        assert_eq!(status.name.0, "the-language-server");
         assert_eq!(status.pending_work.len(), 1);
         assert_eq!(
             status.pending_work["the-token"].message.as_ref().unwrap(),
@@ -1072,7 +1297,7 @@ async fn test_language_server_statuses(cx_a: &mut TestAppContext, cx_b: &mut Tes
 
     project_b.read_with(cx_b, |project, cx| {
         let status = project.language_server_statuses(cx).next().unwrap().1;
-        assert_eq!(status.name, "the-language-server");
+        assert_eq!(status.name.0, "the-language-server");
     });
 
     executor.advance_clock(SERVER_PROGRESS_THROTTLE_TIMEOUT);
@@ -1089,7 +1314,7 @@ async fn test_language_server_statuses(cx_a: &mut TestAppContext, cx_b: &mut Tes
 
     project_a.read_with(cx_a, |project, cx| {
         let status = project.language_server_statuses(cx).next().unwrap().1;
-        assert_eq!(status.name, "the-language-server");
+        assert_eq!(status.name.0, "the-language-server");
         assert_eq!(status.pending_work.len(), 1);
         assert_eq!(
             status.pending_work["the-token"].message.as_ref().unwrap(),
@@ -1099,7 +1324,7 @@ async fn test_language_server_statuses(cx_a: &mut TestAppContext, cx_b: &mut Tes
 
     project_b.read_with(cx_b, |project, cx| {
         let status = project.language_server_statuses(cx).next().unwrap().1;
-        assert_eq!(status.name, "the-language-server");
+        assert_eq!(status.name.0, "the-language-server");
         assert_eq!(status.pending_work.len(), 1);
         assert_eq!(
             status.pending_work["the-token"].message.as_ref().unwrap(),
@@ -1422,18 +1647,27 @@ async fn test_on_input_format_from_guest_to_host(
         .await;
     let active_call_a = cx_a.read(ActiveCall::global);
 
+    let capabilities = lsp::ServerCapabilities {
+        document_on_type_formatting_provider: Some(lsp::DocumentOnTypeFormattingOptions {
+            first_trigger_character: ":".to_string(),
+            more_trigger_character: Some(vec![">".to_string()]),
+        }),
+        ..lsp::ServerCapabilities::default()
+    };
     client_a.language_registry().add(rust_lang());
     let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
         "Rust",
         FakeLspAdapter {
-            capabilities: lsp::ServerCapabilities {
-                document_on_type_formatting_provider: Some(lsp::DocumentOnTypeFormattingOptions {
-                    first_trigger_character: ":".to_string(),
-                    more_trigger_character: Some(vec![">".to_string()]),
-                }),
-                ..Default::default()
-            },
-            ..Default::default()
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            capabilities,
+            ..FakeLspAdapter::default()
         },
     );
 
@@ -1588,16 +1822,24 @@ async fn test_mutual_editor_inlay_hint_cache_update(
         });
     });
 
+    let capabilities = lsp::ServerCapabilities {
+        inlay_hint_provider: Some(lsp::OneOf::Left(true)),
+        ..lsp::ServerCapabilities::default()
+    };
     client_a.language_registry().add(rust_lang());
-    client_b.language_registry().add(rust_lang());
     let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
         "Rust",
         FakeLspAdapter {
-            capabilities: lsp::ServerCapabilities {
-                inlay_hint_provider: Some(lsp::OneOf::Left(true)),
-                ..Default::default()
-            },
-            ..Default::default()
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            capabilities,
+            ..FakeLspAdapter::default()
         },
     );
 
@@ -1830,16 +2072,24 @@ async fn test_inlay_hint_refresh_is_forwarded(
         });
     });
 
+    let capabilities = lsp::ServerCapabilities {
+        inlay_hint_provider: Some(lsp::OneOf::Left(true)),
+        ..lsp::ServerCapabilities::default()
+    };
     client_a.language_registry().add(rust_lang());
-    client_b.language_registry().add(rust_lang());
     let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
         "Rust",
         FakeLspAdapter {
-            capabilities: lsp::ServerCapabilities {
-                inlay_hint_provider: Some(lsp::OneOf::Left(true)),
-                ..Default::default()
-            },
-            ..Default::default()
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            capabilities,
+            ..FakeLspAdapter::default()
         },
     );
 
@@ -2004,15 +2254,23 @@ async fn test_lsp_document_color(cx_a: &mut TestAppContext, cx_b: &mut TestAppCo
         });
     });
 
+    let capabilities = lsp::ServerCapabilities {
+        color_provider: Some(lsp::ColorProviderCapability::Simple(true)),
+        ..lsp::ServerCapabilities::default()
+    };
     client_a.language_registry().add(rust_lang());
-    client_b.language_registry().add(rust_lang());
     let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
         "Rust",
         FakeLspAdapter {
-            capabilities: lsp::ServerCapabilities {
-                color_provider: Some(lsp::ColorProviderCapability::Simple(true)),
-                ..lsp::ServerCapabilities::default()
-            },
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            capabilities,
             ..FakeLspAdapter::default()
         },
     );
@@ -2063,6 +2321,8 @@ async fn test_lsp_document_color(cx_a: &mut TestAppContext, cx_b: &mut TestAppCo
         .unwrap();
 
     let fake_language_server = fake_language_servers.next().await.unwrap();
+    cx_a.run_until_parked();
+    cx_b.run_until_parked();
 
     let requests_made = Arc::new(AtomicUsize::new(0));
     let closure_requests_made = Arc::clone(&requests_made);
@@ -2264,24 +2524,32 @@ async fn test_lsp_pull_diagnostics(
     cx_a.update(editor::init);
     cx_b.update(editor::init);
 
+    let capabilities = lsp::ServerCapabilities {
+        diagnostic_provider: Some(lsp::DiagnosticServerCapabilities::Options(
+            lsp::DiagnosticOptions {
+                identifier: Some("test-pulls".to_string()),
+                inter_file_dependencies: true,
+                workspace_diagnostics: true,
+                work_done_progress_options: lsp::WorkDoneProgressOptions {
+                    work_done_progress: None,
+                },
+            },
+        )),
+        ..lsp::ServerCapabilities::default()
+    };
     client_a.language_registry().add(rust_lang());
-    client_b.language_registry().add(rust_lang());
     let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
         "Rust",
         FakeLspAdapter {
-            capabilities: lsp::ServerCapabilities {
-                diagnostic_provider: Some(lsp::DiagnosticServerCapabilities::Options(
-                    lsp::DiagnosticOptions {
-                        identifier: Some("test-pulls".to_string()),
-                        inter_file_dependencies: true,
-                        workspace_diagnostics: true,
-                        work_done_progress_options: lsp::WorkDoneProgressOptions {
-                            work_done_progress: None,
-                        },
-                    },
-                )),
-                ..lsp::ServerCapabilities::default()
-            },
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            capabilities,
             ..FakeLspAdapter::default()
         },
     );
@@ -2334,6 +2602,8 @@ async fn test_lsp_pull_diagnostics(
         .unwrap();
 
     let fake_language_server = fake_language_servers.next().await.unwrap();
+    cx_a.run_until_parked();
+    cx_b.run_until_parked();
     let expected_push_diagnostic_main_message = "pushed main diagnostic";
     let expected_push_diagnostic_lib_message = "pushed lib diagnostic";
     let expected_pull_diagnostic_main_message = "pulled main diagnostic";
@@ -2689,6 +2959,7 @@ async fn test_lsp_pull_diagnostics(
         .unwrap()
         .downcast::<Editor>()
         .unwrap();
+    cx_b.run_until_parked();
 
     pull_diagnostics_handle.next().await.unwrap();
     assert_eq!(
@@ -2843,7 +3114,7 @@ async fn test_lsp_pull_diagnostics(
 
     {
         assert!(
-            diagnostics_pulls_result_ids.lock().await.len() > 0,
+            !diagnostics_pulls_result_ids.lock().await.is_empty(),
             "Initial diagnostics pulls should report None at least"
         );
         assert_eq!(
@@ -3036,9 +3307,7 @@ async fn test_git_blame_is_forwarded(cx_a: &mut TestAppContext, cx_b: &mut TestA
     // Turn inline-blame-off by default so no state is transferred without us explicitly doing so
     let inline_blame_off_settings = Some(InlineBlameSettings {
         enabled: false,
-        delay_ms: None,
-        min_column: None,
-        show_commit_summary: false,
+        ..Default::default()
     });
     cx_a.update(|cx| {
         SettingsStore::update_global(cx, |store, cx| {
@@ -3530,7 +3799,7 @@ async fn test_add_breakpoints(cx_a: &mut TestAppContext, cx_b: &mut TestAppConte
     let abs_path = project_a.read_with(cx_a, |project, cx| {
         project
             .absolute_path(&project_path, cx)
-            .map(|path_buf| Arc::from(path_buf.to_owned()))
+            .map(Arc::from)
             .unwrap()
     });
 
@@ -3584,20 +3853,16 @@ async fn test_add_breakpoints(cx_a: &mut TestAppContext, cx_b: &mut TestAppConte
     let breakpoints_a = editor_a.update(cx_a, |editor, cx| {
         editor
             .breakpoint_store()
-            .clone()
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
     let breakpoints_b = editor_b.update(cx_b, |editor, cx| {
         editor
             .breakpoint_store()
-            .clone()
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_eq!(1, breakpoints_a.len());
@@ -3617,20 +3882,16 @@ async fn test_add_breakpoints(cx_a: &mut TestAppContext, cx_b: &mut TestAppConte
     let breakpoints_a = editor_a.update(cx_a, |editor, cx| {
         editor
             .breakpoint_store()
-            .clone()
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
     let breakpoints_b = editor_b.update(cx_b, |editor, cx| {
         editor
             .breakpoint_store()
-            .clone()
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_eq!(1, breakpoints_a.len());
@@ -3650,20 +3911,16 @@ async fn test_add_breakpoints(cx_a: &mut TestAppContext, cx_b: &mut TestAppConte
     let breakpoints_a = editor_a.update(cx_a, |editor, cx| {
         editor
             .breakpoint_store()
-            .clone()
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
     let breakpoints_b = editor_b.update(cx_b, |editor, cx| {
         editor
             .breakpoint_store()
-            .clone()
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_eq!(1, breakpoints_a.len());
@@ -3683,20 +3940,16 @@ async fn test_add_breakpoints(cx_a: &mut TestAppContext, cx_b: &mut TestAppConte
     let breakpoints_a = editor_a.update(cx_a, |editor, cx| {
         editor
             .breakpoint_store()
-            .clone()
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
     let breakpoints_b = editor_b.update(cx_b, |editor, cx| {
         editor
             .breakpoint_store()
-            .clone()
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_eq!(0, breakpoints_a.len());
@@ -3718,11 +3971,18 @@ async fn test_client_can_query_lsp_ext(cx_a: &mut TestAppContext, cx_b: &mut Tes
     cx_b.update(editor::init);
 
     client_a.language_registry().add(rust_lang());
-    client_b.language_registry().add(rust_lang());
     let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
         "Rust",
         FakeLspAdapter {
-            name: RUST_ANALYZER_NAME,
+            name: "rust-analyzer",
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            name: "rust-analyzer",
             ..FakeLspAdapter::default()
         },
     );
diff --git a/crates/collab/src/tests/following_tests.rs b/crates/collab/src/tests/following_tests.rs
index d9fd8ffeb2..1e0c915bcb 100644
--- a/crates/collab/src/tests/following_tests.rs
+++ b/crates/collab/src/tests/following_tests.rs
@@ -970,7 +970,7 @@ async fn test_peers_following_each_other(cx_a: &mut TestAppContext, cx_b: &mut T
     // the follow.
     workspace_b.update_in(cx_b, |workspace, window, cx| {
         workspace.active_pane().update(cx, |pane, cx| {
-            pane.activate_prev_item(true, window, cx);
+            pane.activate_previous_item(&Default::default(), window, cx);
         });
     });
     executor.run_until_parked();
@@ -1073,7 +1073,7 @@ async fn test_peers_following_each_other(cx_a: &mut TestAppContext, cx_b: &mut T
     // Client A cycles through some tabs.
     workspace_a.update_in(cx_a, |workspace, window, cx| {
         workspace.active_pane().update(cx, |pane, cx| {
-            pane.activate_prev_item(true, window, cx);
+            pane.activate_previous_item(&Default::default(), window, cx);
         });
     });
     executor.run_until_parked();
@@ -1117,7 +1117,7 @@ async fn test_peers_following_each_other(cx_a: &mut TestAppContext, cx_b: &mut T
 
     workspace_a.update_in(cx_a, |workspace, window, cx| {
         workspace.active_pane().update(cx, |pane, cx| {
-            pane.activate_prev_item(true, window, cx);
+            pane.activate_previous_item(&Default::default(), window, cx);
         });
     });
     executor.run_until_parked();
@@ -1164,7 +1164,7 @@ async fn test_peers_following_each_other(cx_a: &mut TestAppContext, cx_b: &mut T
 
     workspace_a.update_in(cx_a, |workspace, window, cx| {
         workspace.active_pane().update(cx, |pane, cx| {
-            pane.activate_prev_item(true, window, cx);
+            pane.activate_previous_item(&Default::default(), window, cx);
         });
     });
     executor.run_until_parked();
diff --git a/crates/collab/src/tests/integration_tests.rs b/crates/collab/src/tests/integration_tests.rs
index 7aa41e0e7d..5c73253048 100644
--- a/crates/collab/src/tests/integration_tests.rs
+++ b/crates/collab/src/tests/integration_tests.rs
@@ -1286,7 +1286,7 @@ async fn test_calls_on_multiple_connections(
     client_b1.disconnect(&cx_b1.to_async());
     executor.advance_clock(RECEIVE_TIMEOUT);
     client_b1
-        .authenticate_and_connect(false, &cx_b1.to_async())
+        .connect(false, &cx_b1.to_async())
         .await
         .into_response()
         .unwrap();
@@ -1667,7 +1667,7 @@ async fn test_project_reconnect(
     // Client A reconnects. Their project is re-shared, and client B re-joins it.
     server.allow_connections();
     client_a
-        .authenticate_and_connect(false, &cx_a.to_async())
+        .connect(false, &cx_a.to_async())
         .await
         .into_response()
         .unwrap();
@@ -1796,7 +1796,7 @@ async fn test_project_reconnect(
     // Client B reconnects. They re-join the room and the remaining shared project.
     server.allow_connections();
     client_b
-        .authenticate_and_connect(false, &cx_b.to_async())
+        .connect(false, &cx_b.to_async())
         .await
         .into_response()
         .unwrap();
@@ -3208,7 +3208,7 @@ async fn test_fs_operations(
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
 
     worktree_a.read_with(cx_a, |worktree, _| {
@@ -3237,7 +3237,7 @@ async fn test_fs_operations(
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
 
     worktree_a.read_with(cx_a, |worktree, _| {
@@ -3266,7 +3266,7 @@ async fn test_fs_operations(
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
 
     worktree_a.read_with(cx_a, |worktree, _| {
@@ -3295,7 +3295,7 @@ async fn test_fs_operations(
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
 
     project_b
@@ -3304,7 +3304,7 @@ async fn test_fs_operations(
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
 
     project_b
@@ -3313,7 +3313,7 @@ async fn test_fs_operations(
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
 
     worktree_a.read_with(cx_a, |worktree, _| {
@@ -4778,10 +4778,27 @@ async fn test_definition(
         .await;
     let active_call_a = cx_a.read(ActiveCall::global);
 
-    let mut fake_language_servers = client_a
-        .language_registry()
-        .register_fake_lsp("Rust", Default::default());
+    let capabilities = lsp::ServerCapabilities {
+        definition_provider: Some(OneOf::Left(true)),
+        type_definition_provider: Some(lsp::TypeDefinitionProviderCapability::Simple(true)),
+        ..lsp::ServerCapabilities::default()
+    };
     client_a.language_registry().add(rust_lang());
+    let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
+        "Rust",
+        FakeLspAdapter {
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            capabilities,
+            ..FakeLspAdapter::default()
+        },
+    );
 
     client_a
         .fs()
@@ -4827,13 +4844,20 @@ async fn test_definition(
             )))
         },
     );
+    cx_a.run_until_parked();
+    cx_b.run_until_parked();
 
     let definitions_1 = project_b
         .update(cx_b, |p, cx| p.definitions(&buffer_b, 23, cx))
         .await
+        .unwrap()
         .unwrap();
     cx_b.read(|cx| {
-        assert_eq!(definitions_1.len(), 1);
+        assert_eq!(
+            definitions_1.len(),
+            1,
+            "Unexpected definitions: {definitions_1:?}"
+        );
         assert_eq!(project_b.read(cx).worktrees(cx).count(), 2);
         let target_buffer = definitions_1[0].target.buffer.read(cx);
         assert_eq!(
@@ -4862,6 +4886,7 @@ async fn test_definition(
     let definitions_2 = project_b
         .update(cx_b, |p, cx| p.definitions(&buffer_b, 33, cx))
         .await
+        .unwrap()
         .unwrap();
     cx_b.read(|cx| {
         assert_eq!(definitions_2.len(), 1);
@@ -4899,9 +4924,14 @@ async fn test_definition(
     let type_definitions = project_b
         .update(cx_b, |p, cx| p.type_definitions(&buffer_b, 7, cx))
         .await
+        .unwrap()
         .unwrap();
     cx_b.read(|cx| {
-        assert_eq!(type_definitions.len(), 1);
+        assert_eq!(
+            type_definitions.len(),
+            1,
+            "Unexpected type definitions: {type_definitions:?}"
+        );
         let target_buffer = type_definitions[0].target.buffer.read(cx);
         assert_eq!(target_buffer.text(), "type T2 = usize;");
         assert_eq!(
@@ -4925,16 +4955,26 @@ async fn test_references(
         .await;
     let active_call_a = cx_a.read(ActiveCall::global);
 
+    let capabilities = lsp::ServerCapabilities {
+        references_provider: Some(lsp::OneOf::Left(true)),
+        ..lsp::ServerCapabilities::default()
+    };
     client_a.language_registry().add(rust_lang());
     let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
         "Rust",
         FakeLspAdapter {
             name: "my-fake-lsp-adapter",
-            capabilities: lsp::ServerCapabilities {
-                references_provider: Some(lsp::OneOf::Left(true)),
-                ..Default::default()
-            },
-            ..Default::default()
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            name: "my-fake-lsp-adapter",
+            capabilities,
+            ..FakeLspAdapter::default()
         },
     );
 
@@ -4989,6 +5029,8 @@ async fn test_references(
             }
         }
     });
+    cx_a.run_until_parked();
+    cx_b.run_until_parked();
 
     let references = project_b.update(cx_b, |p, cx| p.references(&buffer_b, 7, cx));
 
@@ -4996,7 +5038,7 @@ async fn test_references(
     executor.run_until_parked();
     project_b.read_with(cx_b, |project, cx| {
         let status = project.language_server_statuses(cx).next().unwrap().1;
-        assert_eq!(status.name, "my-fake-lsp-adapter");
+        assert_eq!(status.name.0, "my-fake-lsp-adapter");
         assert_eq!(
             status.pending_work.values().next().unwrap().message,
             Some("Finding references...".into())
@@ -5021,7 +5063,7 @@ async fn test_references(
         ])))
         .unwrap();
 
-    let references = references.await.unwrap();
+    let references = references.await.unwrap().unwrap();
     executor.run_until_parked();
     project_b.read_with(cx_b, |project, cx| {
         // User is informed that a request is no longer pending.
@@ -5054,7 +5096,7 @@ async fn test_references(
     executor.run_until_parked();
     project_b.read_with(cx_b, |project, cx| {
         let status = project.language_server_statuses(cx).next().unwrap().1;
-        assert_eq!(status.name, "my-fake-lsp-adapter");
+        assert_eq!(status.name.0, "my-fake-lsp-adapter");
         assert_eq!(
             status.pending_work.values().next().unwrap().message,
             Some("Finding references...".into())
@@ -5065,7 +5107,7 @@ async fn test_references(
     lsp_response_tx
         .unbounded_send(Err(anyhow!("can't find references")))
         .unwrap();
-    assert_eq!(references.await.unwrap(), []);
+    assert_eq!(references.await.unwrap().unwrap(), []);
 
     // User is informed that the request is no longer pending.
     executor.run_until_parked();
@@ -5204,10 +5246,26 @@ async fn test_document_highlights(
         )
         .await;
 
-    let mut fake_language_servers = client_a
-        .language_registry()
-        .register_fake_lsp("Rust", Default::default());
     client_a.language_registry().add(rust_lang());
+    let capabilities = lsp::ServerCapabilities {
+        document_highlight_provider: Some(lsp::OneOf::Left(true)),
+        ..lsp::ServerCapabilities::default()
+    };
+    let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
+        "Rust",
+        FakeLspAdapter {
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            capabilities,
+            ..FakeLspAdapter::default()
+        },
+    );
 
     let (project_a, worktree_id) = client_a.build_local_project(path!("/root-1"), cx_a).await;
     let project_id = active_call_a
@@ -5256,6 +5314,8 @@ async fn test_document_highlights(
             ]))
         },
     );
+    cx_a.run_until_parked();
+    cx_b.run_until_parked();
 
     let highlights = project_b
         .update(cx_b, |p, cx| p.document_highlights(&buffer_b, 34, cx))
@@ -5306,30 +5366,49 @@ async fn test_lsp_hover(
 
     client_a.language_registry().add(rust_lang());
     let language_server_names = ["rust-analyzer", "CrabLang-ls"];
+    let capabilities_1 = lsp::ServerCapabilities {
+        hover_provider: Some(lsp::HoverProviderCapability::Simple(true)),
+        ..lsp::ServerCapabilities::default()
+    };
+    let capabilities_2 = lsp::ServerCapabilities {
+        hover_provider: Some(lsp::HoverProviderCapability::Simple(true)),
+        ..lsp::ServerCapabilities::default()
+    };
     let mut language_servers = [
         client_a.language_registry().register_fake_lsp(
             "Rust",
             FakeLspAdapter {
-                name: "rust-analyzer",
-                capabilities: lsp::ServerCapabilities {
-                    hover_provider: Some(lsp::HoverProviderCapability::Simple(true)),
-                    ..lsp::ServerCapabilities::default()
-                },
+                name: language_server_names[0],
+                capabilities: capabilities_1.clone(),
                 ..FakeLspAdapter::default()
             },
         ),
         client_a.language_registry().register_fake_lsp(
             "Rust",
             FakeLspAdapter {
-                name: "CrabLang-ls",
-                capabilities: lsp::ServerCapabilities {
-                    hover_provider: Some(lsp::HoverProviderCapability::Simple(true)),
-                    ..lsp::ServerCapabilities::default()
-                },
+                name: language_server_names[1],
+                capabilities: capabilities_2.clone(),
                 ..FakeLspAdapter::default()
             },
         ),
     ];
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            name: language_server_names[0],
+            capabilities: capabilities_1,
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            name: language_server_names[1],
+            capabilities: capabilities_2,
+            ..FakeLspAdapter::default()
+        },
+    );
 
     let (project_a, worktree_id) = client_a.build_local_project(path!("/root-1"), cx_a).await;
     let project_id = active_call_a
@@ -5423,11 +5502,14 @@ async fn test_lsp_hover(
             unexpected => panic!("Unexpected server name: {unexpected}"),
         }
     }
+    cx_a.run_until_parked();
+    cx_b.run_until_parked();
 
     // Request hover information as the guest.
     let mut hovers = project_b
         .update(cx_b, |p, cx| p.hover(&buffer_b, 22, cx))
-        .await;
+        .await
+        .unwrap();
     assert_eq!(
         hovers.len(),
         2,
@@ -5605,10 +5687,26 @@ async fn test_open_buffer_while_getting_definition_pointing_to_it(
         .await;
     let active_call_a = cx_a.read(ActiveCall::global);
 
+    let capabilities = lsp::ServerCapabilities {
+        definition_provider: Some(OneOf::Left(true)),
+        ..lsp::ServerCapabilities::default()
+    };
     client_a.language_registry().add(rust_lang());
-    let mut fake_language_servers = client_a
-        .language_registry()
-        .register_fake_lsp("Rust", Default::default());
+    let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
+        "Rust",
+        FakeLspAdapter {
+            capabilities: capabilities.clone(),
+            ..FakeLspAdapter::default()
+        },
+    );
+    client_b.language_registry().add(rust_lang());
+    client_b.language_registry().register_fake_lsp_adapter(
+        "Rust",
+        FakeLspAdapter {
+            capabilities,
+            ..FakeLspAdapter::default()
+        },
+    );
 
     client_a
         .fs()
@@ -5649,6 +5747,8 @@ async fn test_open_buffer_while_getting_definition_pointing_to_it(
     let definitions;
     let buffer_b2;
     if rng.r#gen() {
+        cx_a.run_until_parked();
+        cx_b.run_until_parked();
         definitions = project_b.update(cx_b, |p, cx| p.definitions(&buffer_b1, 23, cx));
         (buffer_b2, _) = project_b
             .update(cx_b, |p, cx| {
@@ -5663,11 +5763,17 @@ async fn test_open_buffer_while_getting_definition_pointing_to_it(
             })
             .await
             .unwrap();
+        cx_a.run_until_parked();
+        cx_b.run_until_parked();
         definitions = project_b.update(cx_b, |p, cx| p.definitions(&buffer_b1, 23, cx));
     }
 
-    let definitions = definitions.await.unwrap();
-    assert_eq!(definitions.len(), 1);
+    let definitions = definitions.await.unwrap().unwrap();
+    assert_eq!(
+        definitions.len(),
+        1,
+        "Unexpected definitions: {definitions:?}"
+    );
     assert_eq!(definitions[0].target.buffer, buffer_b2);
 }
 
@@ -5738,7 +5844,7 @@ async fn test_contacts(
 
     server.allow_connections();
     client_c
-        .authenticate_and_connect(false, &cx_c.to_async())
+        .connect(false, &cx_c.to_async())
         .await
         .into_response()
         .unwrap();
@@ -6269,7 +6375,7 @@ async fn test_contact_requests(
         client.disconnect(&cx.to_async());
         client.clear_contacts(cx).await;
         client
-            .authenticate_and_connect(false, &cx.to_async())
+            .connect(false, &cx.to_async())
             .await
             .into_response()
             .unwrap();
diff --git a/crates/collab/src/tests/notification_tests.rs b/crates/collab/src/tests/notification_tests.rs
index 4e64b5526b..9bf906694e 100644
--- a/crates/collab/src/tests/notification_tests.rs
+++ b/crates/collab/src/tests/notification_tests.rs
@@ -3,6 +3,7 @@ use std::sync::Arc;
 use gpui::{BackgroundExecutor, TestAppContext};
 use notifications::NotificationEvent;
 use parking_lot::Mutex;
+use pretty_assertions::assert_eq;
 use rpc::{Notification, proto};
 
 use crate::tests::TestServer;
@@ -17,6 +18,9 @@ async fn test_notifications(
     let client_a = server.create_client(cx_a, "user_a").await;
     let client_b = server.create_client(cx_b, "user_b").await;
 
+    // Wait for authentication/connection to Collab to be established.
+    executor.run_until_parked();
+
     let notification_events_a = Arc::new(Mutex::new(Vec::new()));
     let notification_events_b = Arc::new(Mutex::new(Vec::new()));
     client_a.notification_store().update(cx_a, |_, cx| {
diff --git a/crates/collab/src/tests/random_channel_buffer_tests.rs b/crates/collab/src/tests/random_channel_buffer_tests.rs
index c283a9fcd1..6fcd6d75cd 100644
--- a/crates/collab/src/tests/random_channel_buffer_tests.rs
+++ b/crates/collab/src/tests/random_channel_buffer_tests.rs
@@ -266,7 +266,7 @@ impl RandomizedTest for RandomChannelBufferTest {
                                 "client {user_id} has different text than client {prev_user_id} for channel {channel_name}",
                             );
                         } else {
-                            prev_text = Some((user_id, text.clone()));
+                            prev_text = Some((user_id, text));
                         }
 
                         // Assert that all clients and the server agree about who is present in the
diff --git a/crates/collab/src/tests/random_project_collaboration_tests.rs b/crates/collab/src/tests/random_project_collaboration_tests.rs
index 4d94d041b9..ac5c4c54ca 100644
--- a/crates/collab/src/tests/random_project_collaboration_tests.rs
+++ b/crates/collab/src/tests/random_project_collaboration_tests.rs
@@ -304,7 +304,7 @@ impl RandomizedTest for ProjectCollaborationTest {
                                         let worktree = worktree.read(cx);
                                         worktree.is_visible()
                                             && worktree.entries(false, 0).any(|e| e.is_file())
-                                            && worktree.root_entry().map_or(false, |e| e.is_dir())
+                                            && worktree.root_entry().is_some_and(|e| e.is_dir())
                                     })
                                     .choose(rng)
                             });
@@ -643,7 +643,7 @@ impl RandomizedTest for ProjectCollaborationTest {
                 );
 
                 let project = project.await?;
-                client.dev_server_projects_mut().push(project.clone());
+                client.dev_server_projects_mut().push(project);
             }
 
             ClientOperation::CreateWorktreeEntry {
@@ -1162,8 +1162,8 @@ impl RandomizedTest for ProjectCollaborationTest {
                             Some((project, cx))
                         });
 
-                        if !guest_project.is_disconnected(cx) {
-                            if let Some((host_project, host_cx)) = host_project {
+                        if !guest_project.is_disconnected(cx)
+                            && let Some((host_project, host_cx)) = host_project {
                                 let host_worktree_snapshots =
                                     host_project.read_with(host_cx, |host_project, cx| {
                                         host_project
@@ -1235,7 +1235,6 @@ impl RandomizedTest for ProjectCollaborationTest {
                                     );
                                 }
                             }
-                        }
 
                         for buffer in guest_project.opened_buffers(cx) {
                             let buffer = buffer.read(cx);
diff --git a/crates/collab/src/tests/randomized_test_helpers.rs b/crates/collab/src/tests/randomized_test_helpers.rs
index cabf10cfbc..d6c299a6a9 100644
--- a/crates/collab/src/tests/randomized_test_helpers.rs
+++ b/crates/collab/src/tests/randomized_test_helpers.rs
@@ -198,11 +198,11 @@ pub async fn run_randomized_test<T: RandomizedTest>(
 }
 
 pub fn save_randomized_test_plan() {
-    if let Some(serialize_plan) = LAST_PLAN.lock().take() {
-        if let Some(path) = plan_save_path() {
-            eprintln!("saved test plan to path {:?}", path);
-            std::fs::write(path, serialize_plan()).unwrap();
-        }
+    if let Some(serialize_plan) = LAST_PLAN.lock().take()
+        && let Some(path) = plan_save_path()
+    {
+        eprintln!("saved test plan to path {:?}", path);
+        std::fs::write(path, serialize_plan()).unwrap();
     }
 }
 
@@ -290,10 +290,9 @@ impl<T: RandomizedTest> TestPlan<T> {
                         if let StoredOperation::Client {
                             user_id, batch_id, ..
                         } = operation
+                            && batch_id == current_batch_id
                         {
-                            if batch_id == current_batch_id {
-                                return Some(user_id);
-                            }
+                            return Some(user_id);
                         }
                         None
                     }));
@@ -366,10 +365,9 @@ impl<T: RandomizedTest> TestPlan<T> {
                     },
                     applied,
                 ) = stored_operation
+                    && user_id == &current_user_id
                 {
-                    if user_id == &current_user_id {
-                        return Some((operation.clone(), applied.clone()));
-                    }
+                    return Some((operation.clone(), applied.clone()));
                 }
             }
             None
@@ -550,11 +548,11 @@ impl<T: RandomizedTest> TestPlan<T> {
                         .unwrap();
                     let pool = server.connection_pool.lock();
                     for contact in contacts {
-                        if let db::Contact::Accepted { user_id, busy, .. } = contact {
-                            if user_id == removed_user_id {
-                                assert!(!pool.is_user_online(user_id));
-                                assert!(!busy);
-                            }
+                        if let db::Contact::Accepted { user_id, busy, .. } = contact
+                            && user_id == removed_user_id
+                        {
+                            assert!(!pool.is_user_online(user_id));
+                            assert!(!busy);
                         }
                     }
                 }
diff --git a/crates/collab/src/tests/stripe_billing_tests.rs b/crates/collab/src/tests/stripe_billing_tests.rs
deleted file mode 100644
index 5c5bcd5832..0000000000
--- a/crates/collab/src/tests/stripe_billing_tests.rs
+++ /dev/null
@@ -1,360 +0,0 @@
-use std::sync::Arc;
-
-use chrono::{Duration, Utc};
-use pretty_assertions::assert_eq;
-
-use crate::stripe_billing::StripeBilling;
-use crate::stripe_client::{
-    FakeStripeClient, StripeCustomerId, StripeMeter, StripeMeterId, StripePrice, StripePriceId,
-    StripePriceRecurring, StripeSubscription, StripeSubscriptionId, StripeSubscriptionItem,
-    StripeSubscriptionItemId, UpdateSubscriptionItems,
-};
-
-fn make_stripe_billing() -> (StripeBilling, Arc<FakeStripeClient>) {
-    let stripe_client = Arc::new(FakeStripeClient::new());
-    let stripe_billing = StripeBilling::test(stripe_client.clone());
-
-    (stripe_billing, stripe_client)
-}
-
-#[gpui::test]
-async fn test_initialize() {
-    let (stripe_billing, stripe_client) = make_stripe_billing();
-
-    // Add test meters
-    let meter1 = StripeMeter {
-        id: StripeMeterId("meter_1".into()),
-        event_name: "event_1".to_string(),
-    };
-    let meter2 = StripeMeter {
-        id: StripeMeterId("meter_2".into()),
-        event_name: "event_2".to_string(),
-    };
-    stripe_client
-        .meters
-        .lock()
-        .insert(meter1.id.clone(), meter1);
-    stripe_client
-        .meters
-        .lock()
-        .insert(meter2.id.clone(), meter2);
-
-    // Add test prices
-    let price1 = StripePrice {
-        id: StripePriceId("price_1".into()),
-        unit_amount: Some(1_000),
-        lookup_key: Some("zed-pro".to_string()),
-        recurring: None,
-    };
-    let price2 = StripePrice {
-        id: StripePriceId("price_2".into()),
-        unit_amount: Some(0),
-        lookup_key: Some("zed-free".to_string()),
-        recurring: None,
-    };
-    let price3 = StripePrice {
-        id: StripePriceId("price_3".into()),
-        unit_amount: Some(500),
-        lookup_key: None,
-        recurring: Some(StripePriceRecurring {
-            meter: Some("meter_1".to_string()),
-        }),
-    };
-    stripe_client
-        .prices
-        .lock()
-        .insert(price1.id.clone(), price1);
-    stripe_client
-        .prices
-        .lock()
-        .insert(price2.id.clone(), price2);
-    stripe_client
-        .prices
-        .lock()
-        .insert(price3.id.clone(), price3);
-
-    // Initialize the billing system
-    stripe_billing.initialize().await.unwrap();
-
-    // Verify that prices can be found by lookup key
-    let zed_pro_price_id = stripe_billing.zed_pro_price_id().await.unwrap();
-    assert_eq!(zed_pro_price_id.to_string(), "price_1");
-
-    let zed_free_price_id = stripe_billing.zed_free_price_id().await.unwrap();
-    assert_eq!(zed_free_price_id.to_string(), "price_2");
-
-    // Verify that a price can be found by lookup key
-    let zed_pro_price = stripe_billing
-        .find_price_by_lookup_key("zed-pro")
-        .await
-        .unwrap();
-    assert_eq!(zed_pro_price.id.to_string(), "price_1");
-    assert_eq!(zed_pro_price.unit_amount, Some(1_000));
-
-    // Verify that finding a non-existent lookup key returns an error
-    let result = stripe_billing
-        .find_price_by_lookup_key("non-existent")
-        .await;
-    assert!(result.is_err());
-}
-
-#[gpui::test]
-async fn test_find_or_create_customer_by_email() {
-    let (stripe_billing, stripe_client) = make_stripe_billing();
-
-    // Create a customer with an email that doesn't yet correspond to a customer.
-    {
-        let email = "user@example.com";
-
-        let customer_id = stripe_billing
-            .find_or_create_customer_by_email(Some(email))
-            .await
-            .unwrap();
-
-        let customer = stripe_client
-            .customers
-            .lock()
-            .get(&customer_id)
-            .unwrap()
-            .clone();
-        assert_eq!(customer.email.as_deref(), Some(email));
-    }
-
-    // Create a customer with an email that corresponds to an existing customer.
-    {
-        let email = "user2@example.com";
-
-        let existing_customer_id = stripe_billing
-            .find_or_create_customer_by_email(Some(email))
-            .await
-            .unwrap();
-
-        let customer_id = stripe_billing
-            .find_or_create_customer_by_email(Some(email))
-            .await
-            .unwrap();
-        assert_eq!(customer_id, existing_customer_id);
-
-        let customer = stripe_client
-            .customers
-            .lock()
-            .get(&customer_id)
-            .unwrap()
-            .clone();
-        assert_eq!(customer.email.as_deref(), Some(email));
-    }
-}
-
-#[gpui::test]
-async fn test_subscribe_to_price() {
-    let (stripe_billing, stripe_client) = make_stripe_billing();
-
-    let price = StripePrice {
-        id: StripePriceId("price_test".into()),
-        unit_amount: Some(2000),
-        lookup_key: Some("test-price".to_string()),
-        recurring: None,
-    };
-    stripe_client
-        .prices
-        .lock()
-        .insert(price.id.clone(), price.clone());
-
-    let now = Utc::now();
-    let subscription = StripeSubscription {
-        id: StripeSubscriptionId("sub_test".into()),
-        customer: StripeCustomerId("cus_test".into()),
-        status: stripe::SubscriptionStatus::Active,
-        current_period_start: now.timestamp(),
-        current_period_end: (now + Duration::days(30)).timestamp(),
-        items: vec![],
-        cancel_at: None,
-        cancellation_details: None,
-    };
-    stripe_client
-        .subscriptions
-        .lock()
-        .insert(subscription.id.clone(), subscription.clone());
-
-    stripe_billing
-        .subscribe_to_price(&subscription.id, &price)
-        .await
-        .unwrap();
-
-    let update_subscription_calls = stripe_client
-        .update_subscription_calls
-        .lock()
-        .iter()
-        .map(|(id, params)| (id.clone(), params.clone()))
-        .collect::<Vec<_>>();
-    assert_eq!(update_subscription_calls.len(), 1);
-    assert_eq!(update_subscription_calls[0].0, subscription.id);
-    assert_eq!(
-        update_subscription_calls[0].1.items,
-        Some(vec![UpdateSubscriptionItems {
-            price: Some(price.id.clone())
-        }])
-    );
-
-    // Subscribing to a price that is already on the subscription is a no-op.
-    {
-        let now = Utc::now();
-        let subscription = StripeSubscription {
-            id: StripeSubscriptionId("sub_test".into()),
-            customer: StripeCustomerId("cus_test".into()),
-            status: stripe::SubscriptionStatus::Active,
-            current_period_start: now.timestamp(),
-            current_period_end: (now + Duration::days(30)).timestamp(),
-            items: vec![StripeSubscriptionItem {
-                id: StripeSubscriptionItemId("si_test".into()),
-                price: Some(price.clone()),
-            }],
-            cancel_at: None,
-            cancellation_details: None,
-        };
-        stripe_client
-            .subscriptions
-            .lock()
-            .insert(subscription.id.clone(), subscription.clone());
-
-        stripe_billing
-            .subscribe_to_price(&subscription.id, &price)
-            .await
-            .unwrap();
-
-        assert_eq!(stripe_client.update_subscription_calls.lock().len(), 1);
-    }
-}
-
-#[gpui::test]
-async fn test_subscribe_to_zed_free() {
-    let (stripe_billing, stripe_client) = make_stripe_billing();
-
-    let zed_pro_price = StripePrice {
-        id: StripePriceId("price_1".into()),
-        unit_amount: Some(0),
-        lookup_key: Some("zed-pro".to_string()),
-        recurring: None,
-    };
-    stripe_client
-        .prices
-        .lock()
-        .insert(zed_pro_price.id.clone(), zed_pro_price.clone());
-    let zed_free_price = StripePrice {
-        id: StripePriceId("price_2".into()),
-        unit_amount: Some(0),
-        lookup_key: Some("zed-free".to_string()),
-        recurring: None,
-    };
-    stripe_client
-        .prices
-        .lock()
-        .insert(zed_free_price.id.clone(), zed_free_price.clone());
-
-    stripe_billing.initialize().await.unwrap();
-
-    // Customer is subscribed to Zed Free when not already subscribed to a plan.
-    {
-        let customer_id = StripeCustomerId("cus_no_plan".into());
-
-        let subscription = stripe_billing
-            .subscribe_to_zed_free(customer_id)
-            .await
-            .unwrap();
-
-        assert_eq!(subscription.items[0].price.as_ref(), Some(&zed_free_price));
-    }
-
-    // Customer is not subscribed to Zed Free when they already have an active subscription.
-    {
-        let customer_id = StripeCustomerId("cus_active_subscription".into());
-
-        let now = Utc::now();
-        let existing_subscription = StripeSubscription {
-            id: StripeSubscriptionId("sub_existing_active".into()),
-            customer: customer_id.clone(),
-            status: stripe::SubscriptionStatus::Active,
-            current_period_start: now.timestamp(),
-            current_period_end: (now + Duration::days(30)).timestamp(),
-            items: vec![StripeSubscriptionItem {
-                id: StripeSubscriptionItemId("si_test".into()),
-                price: Some(zed_pro_price.clone()),
-            }],
-            cancel_at: None,
-            cancellation_details: None,
-        };
-        stripe_client.subscriptions.lock().insert(
-            existing_subscription.id.clone(),
-            existing_subscription.clone(),
-        );
-
-        let subscription = stripe_billing
-            .subscribe_to_zed_free(customer_id)
-            .await
-            .unwrap();
-
-        assert_eq!(subscription, existing_subscription);
-    }
-
-    // Customer is not subscribed to Zed Free when they already have a trial subscription.
-    {
-        let customer_id = StripeCustomerId("cus_trial_subscription".into());
-
-        let now = Utc::now();
-        let existing_subscription = StripeSubscription {
-            id: StripeSubscriptionId("sub_existing_trial".into()),
-            customer: customer_id.clone(),
-            status: stripe::SubscriptionStatus::Trialing,
-            current_period_start: now.timestamp(),
-            current_period_end: (now + Duration::days(14)).timestamp(),
-            items: vec![StripeSubscriptionItem {
-                id: StripeSubscriptionItemId("si_test".into()),
-                price: Some(zed_pro_price.clone()),
-            }],
-            cancel_at: None,
-            cancellation_details: None,
-        };
-        stripe_client.subscriptions.lock().insert(
-            existing_subscription.id.clone(),
-            existing_subscription.clone(),
-        );
-
-        let subscription = stripe_billing
-            .subscribe_to_zed_free(customer_id)
-            .await
-            .unwrap();
-
-        assert_eq!(subscription, existing_subscription);
-    }
-}
-
-#[gpui::test]
-async fn test_bill_model_request_usage() {
-    let (stripe_billing, stripe_client) = make_stripe_billing();
-
-    let customer_id = StripeCustomerId("cus_test".into());
-
-    stripe_billing
-        .bill_model_request_usage(&customer_id, "some_model/requests", 73)
-        .await
-        .unwrap();
-
-    let create_meter_event_calls = stripe_client
-        .create_meter_event_calls
-        .lock()
-        .iter()
-        .cloned()
-        .collect::<Vec<_>>();
-    assert_eq!(create_meter_event_calls.len(), 1);
-    assert!(
-        create_meter_event_calls[0]
-            .identifier
-            .starts_with("model_requests/")
-    );
-    assert_eq!(create_meter_event_calls[0].stripe_customer_id, customer_id);
-    assert_eq!(
-        create_meter_event_calls[0].event_name.as_ref(),
-        "some_model/requests"
-    );
-    assert_eq!(create_meter_event_calls[0].value, 73);
-}
diff --git a/crates/collab/src/tests/test_server.rs b/crates/collab/src/tests/test_server.rs
index 3751d6918e..fd5e3eefc1 100644
--- a/crates/collab/src/tests/test_server.rs
+++ b/crates/collab/src/tests/test_server.rs
@@ -1,4 +1,3 @@
-use crate::stripe_client::FakeStripeClient;
 use crate::{
     AppState, Config,
     db::{NewUserParams, UserId, tests::TestDb},
@@ -8,7 +7,7 @@ use crate::{
 use anyhow::anyhow;
 use call::ActiveCall;
 use channel::{ChannelBuffer, ChannelStore};
-use client::CloudUserStore;
+use client::test::{make_get_authenticated_user_response, parse_authorization_header};
 use client::{
     self, ChannelId, Client, Connection, Credentials, EstablishConnectionError, UserStore,
     proto::PeerId,
@@ -21,7 +20,7 @@ use fs::FakeFs;
 use futures::{StreamExt as _, channel::oneshot};
 use git::GitHostingProviderRegistry;
 use gpui::{AppContext as _, BackgroundExecutor, Entity, Task, TestAppContext, VisualTestContext};
-use http_client::FakeHttpClient;
+use http_client::{FakeHttpClient, Method};
 use language::LanguageRegistry;
 use node_runtime::NodeRuntime;
 use notifications::NotificationStore;
@@ -162,6 +161,8 @@ impl TestServer {
     }
 
     pub async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
+        const ACCESS_TOKEN: &str = "the-token";
+
         let fs = FakeFs::new(cx.executor());
 
         cx.update(|cx| {
@@ -176,7 +177,7 @@ impl TestServer {
         });
 
         let clock = Arc::new(FakeSystemClock::new());
-        let http = FakeHttpClient::with_404_response();
+
         let user_id = if let Ok(Some(user)) = self.app_state.db.get_user_by_github_login(name).await
         {
             user.id
@@ -198,6 +199,47 @@ impl TestServer {
                 .expect("creating user failed")
                 .user_id
         };
+
+        let http = FakeHttpClient::create({
+            let name = name.to_string();
+            move |req| {
+                let name = name.clone();
+                async move {
+                    match (req.method(), req.uri().path()) {
+                        (&Method::GET, "/client/users/me") => {
+                            let credentials = parse_authorization_header(&req);
+                            if credentials
+                                != Some(Credentials {
+                                    user_id: user_id.to_proto(),
+                                    access_token: ACCESS_TOKEN.into(),
+                                })
+                            {
+                                return Ok(http_client::Response::builder()
+                                    .status(401)
+                                    .body("Unauthorized".into())
+                                    .unwrap());
+                            }
+
+                            Ok(http_client::Response::builder()
+                                .status(200)
+                                .body(
+                                    serde_json::to_string(&make_get_authenticated_user_response(
+                                        user_id.0, name,
+                                    ))
+                                    .unwrap()
+                                    .into(),
+                                )
+                                .unwrap())
+                        }
+                        _ => Ok(http_client::Response::builder()
+                            .status(404)
+                            .body("Not Found".into())
+                            .unwrap()),
+                    }
+                }
+            }
+        });
+
         let client_name = name.to_string();
         let mut client = cx.update(|cx| Client::new(clock, http.clone(), cx));
         let server = self.server.clone();
@@ -209,11 +251,10 @@ impl TestServer {
             .unwrap()
             .set_id(user_id.to_proto())
             .override_authenticate(move |cx| {
-                let access_token = "the-token".to_string();
                 cx.spawn(async move |_| {
                     Ok(Credentials {
                         user_id: user_id.to_proto(),
-                        access_token,
+                        access_token: ACCESS_TOKEN.into(),
                     })
                 })
             })
@@ -222,7 +263,7 @@ impl TestServer {
                     credentials,
                     &Credentials {
                         user_id: user_id.0 as u64,
-                        access_token: "the-token".into()
+                        access_token: ACCESS_TOKEN.into(),
                     }
                 );
 
@@ -255,6 +296,7 @@ impl TestServer {
                             client_name,
                             Principal::User(user),
                             ZedVersion(SemanticVersion::new(1, 0, 0)),
+                            Some("test".to_string()),
                             None,
                             None,
                             None,
@@ -282,15 +324,12 @@ impl TestServer {
             .register_hosting_provider(Arc::new(git_hosting_providers::Github::public_instance()));
 
         let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
-        let cloud_user_store =
-            cx.new(|cx| CloudUserStore::new(client.cloud_client(), user_store.clone(), cx));
         let workspace_store = cx.new(|cx| WorkspaceStore::new(client.clone(), cx));
         let language_registry = Arc::new(LanguageRegistry::test(cx.executor()));
         let session = cx.new(|cx| AppSession::new(Session::test(), cx));
         let app_state = Arc::new(workspace::AppState {
             client: client.clone(),
             user_store: user_store.clone(),
-            cloud_user_store,
             workspace_store,
             languages: language_registry,
             fs: fs.clone(),
@@ -323,7 +362,7 @@ impl TestServer {
         });
 
         client
-            .authenticate_and_connect(false, &cx.to_async())
+            .connect(false, &cx.to_async())
             .await
             .into_response()
             .unwrap();
@@ -331,8 +370,8 @@ impl TestServer {
         let client = TestClient {
             app_state,
             username: name.to_string(),
-            channel_store: cx.read(ChannelStore::global).clone(),
-            notification_store: cx.read(NotificationStore::global).clone(),
+            channel_store: cx.read(ChannelStore::global),
+            notification_store: cx.read(NotificationStore::global),
             state: Default::default(),
         };
         client.wait_for_current_user(cx).await;
@@ -526,12 +565,8 @@ impl TestServer {
     ) -> Arc<AppState> {
         Arc::new(AppState {
             db: test_db.db().clone(),
-            llm_db: None,
             livekit_client: Some(Arc::new(livekit_test_server.create_api_client())),
             blob_store_client: None,
-            real_stripe_client: None,
-            stripe_client: Some(Arc::new(FakeStripeClient::new())),
-            stripe_billing: None,
             executor,
             kinesis_client: None,
             config: Config {
@@ -568,7 +603,6 @@ impl TestServer {
                 auto_join_channel_id: None,
                 migrations_path: None,
                 seed_path: None,
-                stripe_api_key: None,
                 supermaven_admin_api_key: None,
                 user_backfiller_github_access_token: None,
                 kinesis_region: None,
@@ -863,7 +897,7 @@ impl TestClient {
         let window = cx.update(|cx| cx.active_window().unwrap().downcast::<Workspace>().unwrap());
 
         let entity = window.root(cx).unwrap();
-        let cx = VisualTestContext::from_window(*window.deref(), cx).as_mut();
+        let cx = VisualTestContext::from_window(*window.deref(), cx).into_mut();
         // it might be nice to try and cleanup these at the end of each test.
         (entity, cx)
     }
diff --git a/crates/collab/src/user_backfiller.rs b/crates/collab/src/user_backfiller.rs
index 71b99a3d4c..569a298c9c 100644
--- a/crates/collab/src/user_backfiller.rs
+++ b/crates/collab/src/user_backfiller.rs
@@ -130,17 +130,17 @@ impl UserBackfiller {
             .and_then(|value| value.parse::<i64>().ok())
             .and_then(|value| DateTime::from_timestamp(value, 0));
 
-        if rate_limit_remaining == Some(0) {
-            if let Some(reset_at) = rate_limit_reset {
-                let now = Utc::now();
-                if reset_at > now {
-                    let sleep_duration = reset_at - now;
-                    log::info!(
-                        "rate limit reached. Sleeping for {} seconds",
-                        sleep_duration.num_seconds()
-                    );
-                    self.executor.sleep(sleep_duration.to_std().unwrap()).await;
-                }
+        if rate_limit_remaining == Some(0)
+            && let Some(reset_at) = rate_limit_reset
+        {
+            let now = Utc::now();
+            if reset_at > now {
+                let sleep_duration = reset_at - now;
+                log::info!(
+                    "rate limit reached. Sleeping for {} seconds",
+                    sleep_duration.num_seconds()
+                );
+                self.executor.sleep(sleep_duration.to_std().unwrap()).await;
             }
         }
 
diff --git a/crates/collab_ui/src/channel_view.rs b/crates/collab_ui/src/channel_view.rs
index b86d72d92f..61b3e05e48 100644
--- a/crates/collab_ui/src/channel_view.rs
+++ b/crates/collab_ui/src/channel_view.rs
@@ -66,7 +66,7 @@ impl ChannelView {
             channel_id,
             link_position,
             pane.clone(),
-            workspace.clone(),
+            workspace,
             window,
             cx,
         );
@@ -107,43 +107,32 @@ impl ChannelView {
                     .find(|view| view.read(cx).channel_buffer.read(cx).remote_id(cx) == buffer_id);
 
                 // If this channel buffer is already open in this pane, just return it.
-                if let Some(existing_view) = existing_view.clone() {
-                    if existing_view.read(cx).channel_buffer == channel_view.read(cx).channel_buffer
-                    {
-                        if let Some(link_position) = link_position {
-                            existing_view.update(cx, |channel_view, cx| {
-                                channel_view.focus_position_from_link(
-                                    link_position,
-                                    true,
-                                    window,
-                                    cx,
-                                )
-                            });
-                        }
-                        return existing_view;
+                if let Some(existing_view) = existing_view.clone()
+                    && existing_view.read(cx).channel_buffer == channel_view.read(cx).channel_buffer
+                {
+                    if let Some(link_position) = link_position {
+                        existing_view.update(cx, |channel_view, cx| {
+                            channel_view.focus_position_from_link(link_position, true, window, cx)
+                        });
                     }
+                    return existing_view;
                 }
 
                 // If the pane contained a disconnected view for this channel buffer,
                 // replace that.
-                if let Some(existing_item) = existing_view {
-                    if let Some(ix) = pane.index_for_item(&existing_item) {
-                        pane.close_item_by_id(
-                            existing_item.entity_id(),
-                            SaveIntent::Skip,
-                            window,
-                            cx,
-                        )
+                if let Some(existing_item) = existing_view
+                    && let Some(ix) = pane.index_for_item(&existing_item)
+                {
+                    pane.close_item_by_id(existing_item.entity_id(), SaveIntent::Skip, window, cx)
                         .detach();
-                        pane.add_item(
-                            Box::new(channel_view.clone()),
-                            true,
-                            true,
-                            Some(ix),
-                            window,
-                            cx,
-                        );
-                    }
+                    pane.add_item(
+                        Box::new(channel_view.clone()),
+                        true,
+                        true,
+                        Some(ix),
+                        window,
+                        cx,
+                    );
                 }
 
                 if let Some(link_position) = link_position {
@@ -259,26 +248,21 @@ impl ChannelView {
             .editor
             .update(cx, |editor, cx| editor.snapshot(window, cx));
 
-        if let Some(outline) = snapshot.buffer_snapshot.outline(None) {
-            if let Some(item) = outline
+        if let Some(outline) = snapshot.buffer_snapshot.outline(None)
+            && let Some(item) = outline
                 .items
                 .iter()
                 .find(|item| &Channel::slug(&item.text).to_lowercase() == &position)
-            {
-                self.editor.update(cx, |editor, cx| {
-                    editor.change_selections(
-                        SelectionEffects::scroll(Autoscroll::focused()),
-                        window,
-                        cx,
-                        |s| {
-                            s.replace_cursors_with(|map| {
-                                vec![item.range.start.to_display_point(map)]
-                            })
-                        },
-                    )
-                });
-                return;
-            }
+        {
+            self.editor.update(cx, |editor, cx| {
+                editor.change_selections(
+                    SelectionEffects::scroll(Autoscroll::focused()),
+                    window,
+                    cx,
+                    |s| s.replace_cursors_with(|map| vec![item.range.start.to_display_point(map)]),
+                )
+            });
+            return;
         }
 
         if !first_attempt {
diff --git a/crates/collab_ui/src/chat_panel.rs b/crates/collab_ui/src/chat_panel.rs
index 3e2d813f1b..8aaf6c0aa2 100644
--- a/crates/collab_ui/src/chat_panel.rs
+++ b/crates/collab_ui/src/chat_panel.rs
@@ -103,28 +103,16 @@ impl ChatPanel {
         });
 
         cx.new(|cx| {
-            let entity = cx.entity().downgrade();
-            let message_list = ListState::new(
-                0,
-                gpui::ListAlignment::Bottom,
-                px(1000.),
-                move |ix, window, cx| {
-                    if let Some(entity) = entity.upgrade() {
-                        entity.update(cx, |this: &mut Self, cx| {
-                            this.render_message(ix, window, cx).into_any_element()
-                        })
-                    } else {
-                        div().into_any()
-                    }
-                },
-            );
+            let message_list = ListState::new(0, gpui::ListAlignment::Bottom, px(1000.));
 
-            message_list.set_scroll_handler(cx.listener(|this, event: &ListScrollEvent, _, cx| {
-                if event.visible_range.start < MESSAGE_LOADING_THRESHOLD {
-                    this.load_more_messages(cx);
-                }
-                this.is_scrolled_to_bottom = !event.is_scrolled;
-            }));
+            message_list.set_scroll_handler(cx.listener(
+                |this: &mut Self, event: &ListScrollEvent, _, cx| {
+                    if event.visible_range.start < MESSAGE_LOADING_THRESHOLD {
+                        this.load_more_messages(cx);
+                    }
+                    this.is_scrolled_to_bottom = !event.is_scrolled;
+                },
+            ));
 
             let local_offset = chrono::Local::now().offset().local_minus_utc();
             let mut this = Self {
@@ -299,19 +287,20 @@ impl ChatPanel {
     }
 
     fn acknowledge_last_message(&mut self, cx: &mut Context<Self>) {
-        if self.active && self.is_scrolled_to_bottom {
-            if let Some((chat, _)) = &self.active_chat {
-                if let Some(channel_id) = self.channel_id(cx) {
-                    self.last_acknowledged_message_id = self
-                        .channel_store
-                        .read(cx)
-                        .last_acknowledge_message_id(channel_id);
-                }
-
-                chat.update(cx, |chat, cx| {
-                    chat.acknowledge_last_message(cx);
-                });
+        if self.active
+            && self.is_scrolled_to_bottom
+            && let Some((chat, _)) = &self.active_chat
+        {
+            if let Some(channel_id) = self.channel_id(cx) {
+                self.last_acknowledged_message_id = self
+                    .channel_store
+                    .read(cx)
+                    .last_acknowledge_message_id(channel_id);
             }
+
+            chat.update(cx, |chat, cx| {
+                chat.acknowledge_last_message(cx);
+            });
         }
     }
 
@@ -399,7 +388,7 @@ impl ChatPanel {
         ix: usize,
         window: &mut Window,
         cx: &mut Context<Self>,
-    ) -> impl IntoElement {
+    ) -> AnyElement {
         let active_chat = &self.active_chat.as_ref().unwrap().0;
         let (message, is_continuation_from_previous, is_admin) =
             active_chat.update(cx, |active_chat, cx| {
@@ -417,14 +406,13 @@ impl ChatPanel {
                     && last_message.id != this_message.id
                     && duration_since_last_message < Duration::from_secs(5 * 60);
 
-                if let ChannelMessageId::Saved(id) = this_message.id {
-                    if this_message
+                if let ChannelMessageId::Saved(id) = this_message.id
+                    && this_message
                         .mentions
                         .iter()
                         .any(|(_, user_id)| Some(*user_id) == self.client.user_id())
-                    {
-                        active_chat.acknowledge_message(id);
-                    }
+                {
+                    active_chat.acknowledge_message(id);
                 }
 
                 (this_message, is_continuation_from_previous, is_admin)
@@ -582,6 +570,7 @@ impl ChatPanel {
                 self.render_popover_buttons(message_id, can_delete_message, can_edit_message, cx)
                     .mt_neg_2p5(),
             )
+            .into_any_element()
     }
 
     fn has_open_menu(&self, message_id: Option<u64>) -> bool {
@@ -685,7 +674,7 @@ impl ChatPanel {
                 })
             })
             .when_some(message_id, |el, message_id| {
-                let this = cx.entity().clone();
+                let this = cx.entity();
 
                 el.child(
                     self.render_popover_button(
@@ -882,34 +871,33 @@ impl ChatPanel {
                 scroll_to_message_id.or(this.last_acknowledged_message_id)
             })?;
 
-            if let Some(message_id) = scroll_to_message_id {
-                if let Some(item_ix) =
+            if let Some(message_id) = scroll_to_message_id
+                && let Some(item_ix) =
                     ChannelChat::load_history_since_message(chat.clone(), message_id, cx.clone())
                         .await
-                {
-                    this.update(cx, |this, cx| {
-                        if let Some(highlight_message_id) = highlight_message_id {
-                            let task = cx.spawn(async move |this, cx| {
-                                cx.background_executor().timer(Duration::from_secs(2)).await;
-                                this.update(cx, |this, cx| {
-                                    this.highlighted_message.take();
-                                    cx.notify();
-                                })
-                                .ok();
-                            });
+            {
+                this.update(cx, |this, cx| {
+                    if let Some(highlight_message_id) = highlight_message_id {
+                        let task = cx.spawn(async move |this, cx| {
+                            cx.background_executor().timer(Duration::from_secs(2)).await;
+                            this.update(cx, |this, cx| {
+                                this.highlighted_message.take();
+                                cx.notify();
+                            })
+                            .ok();
+                        });
 
-                            this.highlighted_message = Some((highlight_message_id, task));
-                        }
+                        this.highlighted_message = Some((highlight_message_id, task));
+                    }
 
-                        if this.active_chat.as_ref().map_or(false, |(c, _)| *c == chat) {
-                            this.message_list.scroll_to(ListOffset {
-                                item_ix,
-                                offset_in_item: px(0.0),
-                            });
-                            cx.notify();
-                        }
-                    })?;
-                }
+                    if this.active_chat.as_ref().is_some_and(|(c, _)| *c == chat) {
+                        this.message_list.scroll_to(ListOffset {
+                            item_ix,
+                            offset_in_item: px(0.0),
+                        });
+                        cx.notify();
+                    }
+                })?;
             }
 
             Ok(())
@@ -979,7 +967,13 @@ impl Render for ChatPanel {
             )
             .child(div().flex_grow().px_2().map(|this| {
                 if self.active_chat.is_some() {
-                    this.child(list(self.message_list.clone()).size_full())
+                    this.child(
+                        list(
+                            self.message_list.clone(),
+                            cx.processor(Self::render_message),
+                        )
+                        .size_full(),
+                    )
                 } else {
                     this.child(
                         div()
@@ -1044,7 +1038,7 @@ impl Render for ChatPanel {
                     .cloned();
 
                 el.when_some(reply_message, |el, reply_message| {
-                    let user_being_replied_to = reply_message.sender.clone();
+                    let user_being_replied_to = reply_message.sender;
 
                     el.child(
                         h_flex()
@@ -1162,7 +1156,7 @@ impl Panel for ChatPanel {
     }
 
     fn icon(&self, _window: &Window, cx: &App) -> Option<ui::IconName> {
-        self.enabled(cx).then(|| ui::IconName::MessageBubbles)
+        self.enabled(cx).then(|| ui::IconName::Chat)
     }
 
     fn icon_tooltip(&self, _: &Window, _: &App) -> Option<&'static str> {
@@ -1192,7 +1186,7 @@ impl Panel for ChatPanel {
                 let is_in_call = ActiveCall::global(cx)
                     .read(cx)
                     .room()
-                    .map_or(false, |room| room.read(cx).contains_guests());
+                    .is_some_and(|room| room.read(cx).contains_guests());
 
                 self.active || is_in_call
             }
diff --git a/crates/collab_ui/src/chat_panel/message_editor.rs b/crates/collab_ui/src/chat_panel/message_editor.rs
index 03d39cb8ce..5fead5bcf1 100644
--- a/crates/collab_ui/src/chat_panel/message_editor.rs
+++ b/crates/collab_ui/src/chat_panel/message_editor.rs
@@ -241,38 +241,36 @@ impl MessageEditor {
     ) -> Task<Result<Vec<CompletionResponse>>> {
         if let Some((start_anchor, query, candidates)) =
             self.collect_mention_candidates(buffer, end_anchor, cx)
+            && !candidates.is_empty()
         {
-            if !candidates.is_empty() {
-                return cx.spawn(async move |_, cx| {
-                    let completion_response = Self::completions_for_candidates(
-                        &cx,
-                        query.as_str(),
-                        &candidates,
-                        start_anchor..end_anchor,
-                        Self::completion_for_mention,
-                    )
-                    .await;
-                    Ok(vec![completion_response])
-                });
-            }
+            return cx.spawn(async move |_, cx| {
+                let completion_response = Self::completions_for_candidates(
+                    cx,
+                    query.as_str(),
+                    &candidates,
+                    start_anchor..end_anchor,
+                    Self::completion_for_mention,
+                )
+                .await;
+                Ok(vec![completion_response])
+            });
         }
 
         if let Some((start_anchor, query, candidates)) =
             self.collect_emoji_candidates(buffer, end_anchor, cx)
+            && !candidates.is_empty()
         {
-            if !candidates.is_empty() {
-                return cx.spawn(async move |_, cx| {
-                    let completion_response = Self::completions_for_candidates(
-                        &cx,
-                        query.as_str(),
-                        candidates,
-                        start_anchor..end_anchor,
-                        Self::completion_for_emoji,
-                    )
-                    .await;
-                    Ok(vec![completion_response])
-                });
-            }
+            return cx.spawn(async move |_, cx| {
+                let completion_response = Self::completions_for_candidates(
+                    cx,
+                    query.as_str(),
+                    candidates,
+                    start_anchor..end_anchor,
+                    Self::completion_for_emoji,
+                )
+                .await;
+                Ok(vec![completion_response])
+            });
         }
 
         Task::ready(Ok(vec![CompletionResponse {
@@ -399,11 +397,10 @@ impl MessageEditor {
     ) -> Option<(Anchor, String, &'static [StringMatchCandidate])> {
         static EMOJI_FUZZY_MATCH_CANDIDATES: LazyLock<Vec<StringMatchCandidate>> =
             LazyLock::new(|| {
-                let emojis = emojis::iter()
+                emojis::iter()
                     .flat_map(|s| s.shortcodes())
                     .map(|emoji| StringMatchCandidate::new(0, emoji))
-                    .collect::<Vec<_>>();
-                emojis
+                    .collect::<Vec<_>>()
             });
 
         let end_offset = end_anchor.to_offset(buffer.read(cx));
@@ -474,18 +471,17 @@ impl MessageEditor {
                 for range in ranges {
                     text.clear();
                     text.extend(buffer.text_for_range(range.clone()));
-                    if let Some(username) = text.strip_prefix('@') {
-                        if let Some(user) = this
+                    if let Some(username) = text.strip_prefix('@')
+                        && let Some(user) = this
                             .user_store
                             .read(cx)
                             .cached_user_by_github_login(username)
-                        {
-                            let start = multi_buffer.anchor_after(range.start);
-                            let end = multi_buffer.anchor_after(range.end);
+                    {
+                        let start = multi_buffer.anchor_after(range.start);
+                        let end = multi_buffer.anchor_after(range.end);
 
-                            mentioned_user_ids.push(user.id);
-                            anchor_ranges.push(start..end);
-                        }
+                        mentioned_user_ids.push(user.id);
+                        anchor_ranges.push(start..end);
                     }
                 }
 
diff --git a/crates/collab_ui/src/collab_panel.rs b/crates/collab_ui/src/collab_panel.rs
index f53b94c209..d85a6610a5 100644
--- a/crates/collab_ui/src/collab_panel.rs
+++ b/crates/collab_ui/src/collab_panel.rs
@@ -95,7 +95,7 @@ pub fn init(cx: &mut App) {
                 .and_then(|room| room.read(cx).channel_id());
 
             if let Some(channel_id) = channel_id {
-                let workspace = cx.entity().clone();
+                let workspace = cx.entity();
                 window.defer(cx, move |window, cx| {
                     ChannelView::open(channel_id, None, workspace, window, cx)
                         .detach_and_log_err(cx)
@@ -311,10 +311,10 @@ impl CollabPanel {
                 window,
                 |this: &mut Self, _, event, window, cx| {
                     if let editor::EditorEvent::Blurred = event {
-                        if let Some(state) = &this.channel_editing_state {
-                            if state.pending_name().is_some() {
-                                return;
-                            }
+                        if let Some(state) = &this.channel_editing_state
+                            && state.pending_name().is_some()
+                        {
+                            return;
                         }
                         this.take_editing_state(window, cx);
                         this.update_entries(false, cx);
@@ -324,20 +324,6 @@ impl CollabPanel {
             )
             .detach();
 
-            let entity = cx.entity().downgrade();
-            let list_state = ListState::new(
-                0,
-                gpui::ListAlignment::Top,
-                px(1000.),
-                move |ix, window, cx| {
-                    if let Some(entity) = entity.upgrade() {
-                        entity.update(cx, |this, cx| this.render_list_entry(ix, window, cx))
-                    } else {
-                        div().into_any()
-                    }
-                },
-            );
-
             let mut this = Self {
                 width: None,
                 focus_handle: cx.focus_handle(),
@@ -345,7 +331,7 @@ impl CollabPanel {
                 fs: workspace.app_state().fs.clone(),
                 pending_serialization: Task::ready(None),
                 context_menu: None,
-                list_state,
+                list_state: ListState::new(0, gpui::ListAlignment::Top, px(1000.)),
                 channel_name_editor,
                 filter_editor,
                 entries: Vec::default(),
@@ -505,11 +491,11 @@ impl CollabPanel {
             if !self.collapsed_sections.contains(&Section::ActiveCall) {
                 let room = room.read(cx);
 
-                if query.is_empty() {
-                    if let Some(channel_id) = room.channel_id() {
-                        self.entries.push(ListEntry::ChannelNotes { channel_id });
-                        self.entries.push(ListEntry::ChannelChat { channel_id });
-                    }
+                if query.is_empty()
+                    && let Some(channel_id) = room.channel_id()
+                {
+                    self.entries.push(ListEntry::ChannelNotes { channel_id });
+                    self.entries.push(ListEntry::ChannelChat { channel_id });
                 }
 
                 // Populate the active user.
@@ -653,10 +639,10 @@ impl CollabPanel {
                 &Default::default(),
                 executor.clone(),
             ));
-            if let Some(state) = &self.channel_editing_state {
-                if matches!(state, ChannelEditingState::Create { location: None, .. }) {
-                    self.entries.push(ListEntry::ChannelEditor { depth: 0 });
-                }
+            if let Some(state) = &self.channel_editing_state
+                && matches!(state, ChannelEditingState::Create { location: None, .. })
+            {
+                self.entries.push(ListEntry::ChannelEditor { depth: 0 });
             }
             let mut collapse_depth = None;
             for mat in matches {
@@ -678,9 +664,7 @@ impl CollabPanel {
 
                 let has_children = channel_store
                     .channel_at_index(mat.candidate_id + 1)
-                    .map_or(false, |next_channel| {
-                        next_channel.parent_path.ends_with(&[channel.id])
-                    });
+                    .is_some_and(|next_channel| next_channel.parent_path.ends_with(&[channel.id]));
 
                 match &self.channel_editing_state {
                     Some(ChannelEditingState::Create {
@@ -1124,7 +1108,7 @@ impl CollabPanel {
                     .relative()
                     .gap_1()
                     .child(render_tree_branch(false, false, window, cx))
-                    .child(IconButton::new(0, IconName::MessageBubbles))
+                    .child(IconButton::new(0, IconName::Chat))
                     .children(has_messages_notification.then(|| {
                         div()
                             .w_1p5()
@@ -1139,7 +1123,7 @@ impl CollabPanel {
     }
 
     fn has_subchannels(&self, ix: usize) -> bool {
-        self.entries.get(ix).map_or(false, |entry| {
+        self.entries.get(ix).is_some_and(|entry| {
             if let ListEntry::Channel { has_children, .. } = entry {
                 *has_children
             } else {
@@ -1156,7 +1140,7 @@ impl CollabPanel {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        let this = cx.entity().clone();
+        let this = cx.entity();
         if !(role == proto::ChannelRole::Guest
             || role == proto::ChannelRole::Talker
             || role == proto::ChannelRole::Member)
@@ -1286,7 +1270,7 @@ impl CollabPanel {
                 .channel_for_id(clipboard.channel_id)
                 .map(|channel| channel.name.clone())
         });
-        let this = cx.entity().clone();
+        let this = cx.entity();
 
         let context_menu = ContextMenu::build(window, cx, |mut context_menu, window, cx| {
             if self.has_subchannels(ix) {
@@ -1453,7 +1437,7 @@ impl CollabPanel {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        let this = cx.entity().clone();
+        let this = cx.entity();
         let in_room = ActiveCall::global(cx).read(cx).room().is_some();
 
         let context_menu = ContextMenu::build(window, cx, |mut context_menu, _, _| {
@@ -1566,98 +1550,93 @@ impl CollabPanel {
             return;
         }
 
-        if let Some(selection) = self.selection {
-            if let Some(entry) = self.entries.get(selection) {
-                match entry {
-                    ListEntry::Header(section) => match section {
-                        Section::ActiveCall => Self::leave_call(window, cx),
-                        Section::Channels => self.new_root_channel(window, cx),
-                        Section::Contacts => self.toggle_contact_finder(window, cx),
-                        Section::ContactRequests
-                        | Section::Online
-                        | Section::Offline
-                        | Section::ChannelInvites => {
-                            self.toggle_section_expanded(*section, cx);
-                        }
-                    },
-                    ListEntry::Contact { contact, calling } => {
-                        if contact.online && !contact.busy && !calling {
-                            self.call(contact.user.id, window, cx);
-                        }
+        if let Some(selection) = self.selection
+            && let Some(entry) = self.entries.get(selection)
+        {
+            match entry {
+                ListEntry::Header(section) => match section {
+                    Section::ActiveCall => Self::leave_call(window, cx),
+                    Section::Channels => self.new_root_channel(window, cx),
+                    Section::Contacts => self.toggle_contact_finder(window, cx),
+                    Section::ContactRequests
+                    | Section::Online
+                    | Section::Offline
+                    | Section::ChannelInvites => {
+                        self.toggle_section_expanded(*section, cx);
                     }
-                    ListEntry::ParticipantProject {
-                        project_id,
-                        host_user_id,
-                        ..
-                    } => {
-                        if let Some(workspace) = self.workspace.upgrade() {
-                            let app_state = workspace.read(cx).app_state().clone();
-                            workspace::join_in_room_project(
-                                *project_id,
-                                *host_user_id,
-                                app_state,
-                                cx,
-                            )
+                },
+                ListEntry::Contact { contact, calling } => {
+                    if contact.online && !contact.busy && !calling {
+                        self.call(contact.user.id, window, cx);
+                    }
+                }
+                ListEntry::ParticipantProject {
+                    project_id,
+                    host_user_id,
+                    ..
+                } => {
+                    if let Some(workspace) = self.workspace.upgrade() {
+                        let app_state = workspace.read(cx).app_state().clone();
+                        workspace::join_in_room_project(*project_id, *host_user_id, app_state, cx)
                             .detach_and_prompt_err(
                                 "Failed to join project",
                                 window,
                                 cx,
                                 |_, _, _| None,
                             );
-                        }
                     }
-                    ListEntry::ParticipantScreen { peer_id, .. } => {
-                        let Some(peer_id) = peer_id else {
-                            return;
-                        };
-                        if let Some(workspace) = self.workspace.upgrade() {
-                            workspace.update(cx, |workspace, cx| {
-                                workspace.open_shared_screen(*peer_id, window, cx)
-                            });
-                        }
-                    }
-                    ListEntry::Channel { channel, .. } => {
-                        let is_active = maybe!({
-                            let call_channel = ActiveCall::global(cx)
-                                .read(cx)
-                                .room()?
-                                .read(cx)
-                                .channel_id()?;
-
-                            Some(call_channel == channel.id)
-                        })
-                        .unwrap_or(false);
-                        if is_active {
-                            self.open_channel_notes(channel.id, window, cx)
-                        } else {
-                            self.join_channel(channel.id, window, cx)
-                        }
-                    }
-                    ListEntry::ContactPlaceholder => self.toggle_contact_finder(window, cx),
-                    ListEntry::CallParticipant { user, peer_id, .. } => {
-                        if Some(user) == self.user_store.read(cx).current_user().as_ref() {
-                            Self::leave_call(window, cx);
-                        } else if let Some(peer_id) = peer_id {
-                            self.workspace
-                                .update(cx, |workspace, cx| workspace.follow(*peer_id, window, cx))
-                                .ok();
-                        }
-                    }
-                    ListEntry::IncomingRequest(user) => {
-                        self.respond_to_contact_request(user.id, true, window, cx)
-                    }
-                    ListEntry::ChannelInvite(channel) => {
-                        self.respond_to_channel_invite(channel.id, true, cx)
-                    }
-                    ListEntry::ChannelNotes { channel_id } => {
-                        self.open_channel_notes(*channel_id, window, cx)
-                    }
-                    ListEntry::ChannelChat { channel_id } => {
-                        self.join_channel_chat(*channel_id, window, cx)
-                    }
-                    ListEntry::OutgoingRequest(_) => {}
-                    ListEntry::ChannelEditor { .. } => {}
                 }
+                ListEntry::ParticipantScreen { peer_id, .. } => {
+                    let Some(peer_id) = peer_id else {
+                        return;
+                    };
+                    if let Some(workspace) = self.workspace.upgrade() {
+                        workspace.update(cx, |workspace, cx| {
+                            workspace.open_shared_screen(*peer_id, window, cx)
+                        });
+                    }
+                }
+                ListEntry::Channel { channel, .. } => {
+                    let is_active = maybe!({
+                        let call_channel = ActiveCall::global(cx)
+                            .read(cx)
+                            .room()?
+                            .read(cx)
+                            .channel_id()?;
+
+                        Some(call_channel == channel.id)
+                    })
+                    .unwrap_or(false);
+                    if is_active {
+                        self.open_channel_notes(channel.id, window, cx)
+                    } else {
+                        self.join_channel(channel.id, window, cx)
+                    }
+                }
+                ListEntry::ContactPlaceholder => self.toggle_contact_finder(window, cx),
+                ListEntry::CallParticipant { user, peer_id, .. } => {
+                    if Some(user) == self.user_store.read(cx).current_user().as_ref() {
+                        Self::leave_call(window, cx);
+                    } else if let Some(peer_id) = peer_id {
+                        self.workspace
+                            .update(cx, |workspace, cx| workspace.follow(*peer_id, window, cx))
+                            .ok();
+                    }
+                }
+                ListEntry::IncomingRequest(user) => {
+                    self.respond_to_contact_request(user.id, true, window, cx)
+                }
+                ListEntry::ChannelInvite(channel) => {
+                    self.respond_to_channel_invite(channel.id, true, cx)
+                }
+                ListEntry::ChannelNotes { channel_id } => {
+                    self.open_channel_notes(*channel_id, window, cx)
+                }
+                ListEntry::ChannelChat { channel_id } => {
+                    self.join_channel_chat(*channel_id, window, cx)
+                }
+                ListEntry::OutgoingRequest(_) => {}
+                ListEntry::ChannelEditor { .. } => {}
             }
         }
     }
@@ -1842,10 +1821,10 @@ impl CollabPanel {
     }
 
     fn select_channel_editor(&mut self) {
-        self.selection = self.entries.iter().position(|entry| match entry {
-            ListEntry::ChannelEditor { .. } => true,
-            _ => false,
-        });
+        self.selection = self
+            .entries
+            .iter()
+            .position(|entry| matches!(entry, ListEntry::ChannelEditor { .. }));
     }
 
     fn new_subchannel(
@@ -2331,7 +2310,7 @@ impl CollabPanel {
                                 let client = this.client.clone();
                                 cx.spawn_in(window, async move |_, cx| {
                                     client
-                                        .authenticate_and_connect(true, &cx)
+                                        .connect(true, cx)
                                         .await
                                         .into_response()
                                         .notify_async_err(cx);
@@ -2431,7 +2410,13 @@ impl CollabPanel {
         });
         v_flex()
             .size_full()
-            .child(list(self.list_state.clone()).size_full())
+            .child(
+                list(
+                    self.list_state.clone(),
+                    cx.processor(Self::render_list_entry),
+                )
+                .size_full(),
+            )
             .child(
                 v_flex()
                     .child(div().mx_2().border_primary(cx).border_t_1())
@@ -2522,7 +2507,7 @@ impl CollabPanel {
 
         let button = match section {
             Section::ActiveCall => channel_link.map(|channel_link| {
-                let channel_link_copy = channel_link.clone();
+                let channel_link_copy = channel_link;
                 IconButton::new("channel-link", IconName::Copy)
                     .icon_size(IconSize::Small)
                     .size(ButtonSize::None)
@@ -2605,7 +2590,7 @@ impl CollabPanel {
                                     let contact = contact.clone();
                                     move |this, event: &ClickEvent, window, cx| {
                                         this.deploy_contact_context_menu(
-                                            event.down.position,
+                                            event.position(),
                                             contact.clone(),
                                             window,
                                             cx,
@@ -2706,7 +2691,7 @@ impl CollabPanel {
                 h_flex()
                     .w_full()
                     .justify_between()
-                    .child(Label::new(github_login.clone()))
+                    .child(Label::new(github_login))
                     .child(h_flex().children(controls)),
             )
             .start_slot(Avatar::new(user.avatar_uri.clone()))
@@ -2920,10 +2905,12 @@ impl CollabPanel {
                 h_flex().absolute().right(rems(0.)).h_full().child(
                     h_flex()
                         .h_full()
+                        .bg(cx.theme().colors().background)
+                        .rounded_l_sm()
                         .gap_1()
                         .px_1()
                         .child(
-                            IconButton::new("channel_chat", IconName::MessageBubbles)
+                            IconButton::new("channel_chat", IconName::Chat)
                                 .style(ButtonStyle::Filled)
                                 .shape(ui::IconButtonShape::Square)
                                 .icon_size(IconSize::Small)
@@ -2935,11 +2922,10 @@ impl CollabPanel {
                                 .on_click(cx.listener(move |this, _, window, cx| {
                                     this.join_channel_chat(channel_id, window, cx)
                                 }))
-                                .tooltip(Tooltip::text("Open channel chat"))
-                                .visible_on_hover(""),
+                                .tooltip(Tooltip::text("Open channel chat")),
                         )
                         .child(
-                            IconButton::new("channel_notes", IconName::File)
+                            IconButton::new("channel_notes", IconName::Reader)
                                 .style(ButtonStyle::Filled)
                                 .shape(ui::IconButtonShape::Square)
                                 .icon_size(IconSize::Small)
@@ -2951,9 +2937,9 @@ impl CollabPanel {
                                 .on_click(cx.listener(move |this, _, window, cx| {
                                     this.open_channel_notes(channel_id, window, cx)
                                 }))
-                                .tooltip(Tooltip::text("Open channel notes"))
-                                .visible_on_hover(""),
-                        ),
+                                .tooltip(Tooltip::text("Open channel notes")),
+                        )
+                        .visible_on_hover(""),
                 ),
             )
             .tooltip({
@@ -3061,7 +3047,7 @@ impl Render for CollabPanel {
             .on_action(cx.listener(CollabPanel::move_channel_down))
             .track_focus(&self.focus_handle)
             .size_full()
-            .child(if self.user_store.read(cx).current_user().is_none() {
+            .child(if !self.client.status().borrow().is_connected() {
                 self.render_signed_out(cx)
             } else {
                 self.render_signed_in(window, cx)
@@ -3140,7 +3126,7 @@ impl Panel for CollabPanel {
 
 impl Focusable for CollabPanel {
     fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
-        self.filter_editor.focus_handle(cx).clone()
+        self.filter_editor.focus_handle(cx)
     }
 }
 
diff --git a/crates/collab_ui/src/collab_panel/channel_modal.rs b/crates/collab_ui/src/collab_panel/channel_modal.rs
index c0d3130ee9..e558835dba 100644
--- a/crates/collab_ui/src/collab_panel/channel_modal.rs
+++ b/crates/collab_ui/src/collab_panel/channel_modal.rs
@@ -586,7 +586,7 @@ impl ChannelModalDelegate {
             return;
         };
         let user_id = membership.user.id;
-        let picker = cx.entity().clone();
+        let picker = cx.entity();
         let context_menu = ContextMenu::build(window, cx, |mut menu, _window, _cx| {
             let role = membership.role;
 
diff --git a/crates/collab_ui/src/notification_panel.rs b/crates/collab_ui/src/notification_panel.rs
index fba8f66c2d..bf6fc3b224 100644
--- a/crates/collab_ui/src/notification_panel.rs
+++ b/crates/collab_ui/src/notification_panel.rs
@@ -118,25 +118,15 @@ impl NotificationPanel {
             })
             .detach();
 
-            let entity = cx.entity().downgrade();
-            let notification_list =
-                ListState::new(0, ListAlignment::Top, px(1000.), move |ix, window, cx| {
-                    entity
-                        .upgrade()
-                        .and_then(|entity| {
-                            entity.update(cx, |this, cx| this.render_notification(ix, window, cx))
-                        })
-                        .unwrap_or_else(|| div().into_any())
-                });
+            let notification_list = ListState::new(0, ListAlignment::Top, px(1000.));
             notification_list.set_scroll_handler(cx.listener(
                 |this, event: &ListScrollEvent, _, cx| {
-                    if event.count.saturating_sub(event.visible_range.end) < LOADING_THRESHOLD {
-                        if let Some(task) = this
+                    if event.count.saturating_sub(event.visible_range.end) < LOADING_THRESHOLD
+                        && let Some(task) = this
                             .notification_store
                             .update(cx, |store, cx| store.load_more_notifications(false, cx))
-                        {
-                            task.detach();
-                        }
+                    {
+                        task.detach();
                     }
                 },
             ));
@@ -299,7 +289,7 @@ impl NotificationPanel {
                         .gap_1()
                         .size_full()
                         .overflow_hidden()
-                        .child(Label::new(text.clone()))
+                        .child(Label::new(text))
                         .child(
                             h_flex()
                                 .child(
@@ -330,7 +320,7 @@ impl NotificationPanel {
                                             .justify_end()
                                             .child(Button::new("decline", "Decline").on_click({
                                                 let notification = notification.clone();
-                                                let entity = cx.entity().clone();
+                                                let entity = cx.entity();
                                                 move |_, _, cx| {
                                                     entity.update(cx, |this, cx| {
                                                         this.respond_to_notification(
@@ -343,7 +333,7 @@ impl NotificationPanel {
                                             }))
                                             .child(Button::new("accept", "Accept").on_click({
                                                 let notification = notification.clone();
-                                                let entity = cx.entity().clone();
+                                                let entity = cx.entity();
                                                 move |_, _, cx| {
                                                     entity.update(cx, |this, cx| {
                                                         this.respond_to_notification(
@@ -478,20 +468,19 @@ impl NotificationPanel {
             channel_id,
             ..
         } = notification.clone()
+            && let Some(workspace) = self.workspace.upgrade()
         {
-            if let Some(workspace) = self.workspace.upgrade() {
-                window.defer(cx, move |window, cx| {
-                    workspace.update(cx, |workspace, cx| {
-                        if let Some(panel) = workspace.focus_panel::<ChatPanel>(window, cx) {
-                            panel.update(cx, |panel, cx| {
-                                panel
-                                    .select_channel(ChannelId(channel_id), Some(message_id), cx)
-                                    .detach_and_log_err(cx);
-                            });
-                        }
-                    });
+            window.defer(cx, move |window, cx| {
+                workspace.update(cx, |workspace, cx| {
+                    if let Some(panel) = workspace.focus_panel::<ChatPanel>(window, cx) {
+                        panel.update(cx, |panel, cx| {
+                            panel
+                                .select_channel(ChannelId(channel_id), Some(message_id), cx)
+                                .detach_and_log_err(cx);
+                        });
+                    }
                 });
-            }
+            });
         }
     }
 
@@ -500,18 +489,18 @@ impl NotificationPanel {
             return false;
         }
 
-        if let Notification::ChannelMessageMention { channel_id, .. } = &notification {
-            if let Some(workspace) = self.workspace.upgrade() {
-                return if let Some(panel) = workspace.read(cx).panel::<ChatPanel>(cx) {
-                    let panel = panel.read(cx);
-                    panel.is_scrolled_to_bottom()
-                        && panel
-                            .active_chat()
-                            .map_or(false, |chat| chat.read(cx).channel_id.0 == *channel_id)
-                } else {
-                    false
-                };
-            }
+        if let Notification::ChannelMessageMention { channel_id, .. } = &notification
+            && let Some(workspace) = self.workspace.upgrade()
+        {
+            return if let Some(panel) = workspace.read(cx).panel::<ChatPanel>(cx) {
+                let panel = panel.read(cx);
+                panel.is_scrolled_to_bottom()
+                    && panel
+                        .active_chat()
+                        .is_some_and(|chat| chat.read(cx).channel_id.0 == *channel_id)
+            } else {
+                false
+            };
         }
 
         false
@@ -591,16 +580,16 @@ impl NotificationPanel {
     }
 
     fn remove_toast(&mut self, notification_id: u64, cx: &mut Context<Self>) {
-        if let Some((current_id, _)) = &self.current_notification_toast {
-            if *current_id == notification_id {
-                self.current_notification_toast.take();
-                self.workspace
-                    .update(cx, |workspace, cx| {
-                        let id = NotificationId::unique::<NotificationToast>();
-                        workspace.dismiss_notification(&id, cx)
-                    })
-                    .ok();
-            }
+        if let Some((current_id, _)) = &self.current_notification_toast
+            && *current_id == notification_id
+        {
+            self.current_notification_toast.take();
+            self.workspace
+                .update(cx, |workspace, cx| {
+                    let id = NotificationId::unique::<NotificationToast>();
+                    workspace.dismiss_notification(&id, cx)
+                })
+                .ok();
         }
     }
 
@@ -634,13 +623,13 @@ impl Render for NotificationPanel {
                     .child(Icon::new(IconName::Envelope)),
             )
             .map(|this| {
-                if self.client.user_id().is_none() {
+                if !self.client.status().borrow().is_connected() {
                     this.child(
                         v_flex()
                             .gap_2()
                             .p_4()
                             .child(
-                                Button::new("sign_in_prompt_button", "Sign in")
+                                Button::new("connect_prompt_button", "Connect")
                                     .icon_color(Color::Muted)
                                     .icon(IconName::Github)
                                     .icon_position(IconPosition::Start)
@@ -652,10 +641,7 @@ impl Render for NotificationPanel {
                                             let client = client.clone();
                                             window
                                                 .spawn(cx, async move |cx| {
-                                                    match client
-                                                        .authenticate_and_connect(true, &cx)
-                                                        .await
-                                                    {
+                                                    match client.connect(true, cx).await {
                                                         util::ConnectionResult::Timeout => {
                                                             log::error!("Connection timeout");
                                                         }
@@ -673,7 +659,7 @@ impl Render for NotificationPanel {
                             )
                             .child(
                                 div().flex().w_full().items_center().child(
-                                    Label::new("Sign in to view notifications.")
+                                    Label::new("Connect to view notifications.")
                                         .color(Color::Muted)
                                         .size(LabelSize::Small),
                                 ),
@@ -690,7 +676,16 @@ impl Render for NotificationPanel {
                         ),
                     )
                 } else {
-                    this.child(list(self.notification_list.clone()).size_full())
+                    this.child(
+                        list(
+                            self.notification_list.clone(),
+                            cx.processor(|this, ix, window, cx| {
+                                this.render_notification(ix, window, cx)
+                                    .unwrap_or_else(|| div().into_any())
+                            }),
+                        )
+                        .size_full(),
+                    )
                 }
             })
     }
diff --git a/crates/command_palette/src/command_palette.rs b/crates/command_palette/src/command_palette.rs
index dfaede0dc4..227d246f04 100644
--- a/crates/command_palette/src/command_palette.rs
+++ b/crates/command_palette/src/command_palette.rs
@@ -136,7 +136,10 @@ impl Focusable for CommandPalette {
 
 impl Render for CommandPalette {
     fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
-        v_flex().w(rems(34.)).child(self.picker.clone())
+        v_flex()
+            .key_context("CommandPalette")
+            .w(rems(34.))
+            .child(self.picker.clone())
     }
 }
 
@@ -203,7 +206,7 @@ impl CommandPaletteDelegate {
         if parse_zed_link(&query, cx).is_some() {
             intercept_results = vec![CommandInterceptResult {
                 action: OpenZedUrl { url: query.clone() }.boxed_clone(),
-                string: query.clone(),
+                string: query,
                 positions: vec![],
             }]
         }
diff --git a/crates/command_palette/src/persistence.rs b/crates/command_palette/src/persistence.rs
index 5be97c36bc..01cf403083 100644
--- a/crates/command_palette/src/persistence.rs
+++ b/crates/command_palette/src/persistence.rs
@@ -1,7 +1,10 @@
 use anyhow::Result;
 use db::{
-    define_connection, query,
-    sqlez::{bindable::Column, statement::Statement},
+    query,
+    sqlez::{
+        bindable::Column, domain::Domain, statement::Statement,
+        thread_safe_connection::ThreadSafeConnection,
+    },
     sqlez_macros::sql,
 };
 use serde::{Deserialize, Serialize};
@@ -50,8 +53,11 @@ impl Column for SerializedCommandInvocation {
     }
 }
 
-define_connection!(pub static ref COMMAND_PALETTE_HISTORY: CommandPaletteDB<()> =
-    &[sql!(
+pub struct CommandPaletteDB(ThreadSafeConnection);
+
+impl Domain for CommandPaletteDB {
+    const NAME: &str = stringify!(CommandPaletteDB);
+    const MIGRATIONS: &[&str] = &[sql!(
         CREATE TABLE IF NOT EXISTS command_invocations(
             id INTEGER PRIMARY KEY AUTOINCREMENT,
             command_name TEXT NOT NULL,
@@ -59,7 +65,9 @@ define_connection!(pub static ref COMMAND_PALETTE_HISTORY: CommandPaletteDB<()>
             last_invoked INTEGER DEFAULT (unixepoch())  NOT NULL
         ) STRICT;
     )];
-);
+}
+
+db::static_connection!(COMMAND_PALETTE_HISTORY, CommandPaletteDB, []);
 
 impl CommandPaletteDB {
     pub async fn write_command_invocation(
diff --git a/crates/component/src/component.rs b/crates/component/src/component.rs
index 02840cc3cb..0c05ba4a97 100644
--- a/crates/component/src/component.rs
+++ b/crates/component/src/component.rs
@@ -318,8 +318,10 @@ pub enum ComponentScope {
     Notification,
     #[strum(serialize = "Overlays & Layering")]
     Overlays,
+    Onboarding,
     Status,
     Typography,
+    Utilities,
     #[strum(serialize = "Version Control")]
     VersionControl,
 }
diff --git a/crates/component/src/component_layout.rs b/crates/component/src/component_layout.rs
index 58bf1d8f0c..a840d520a6 100644
--- a/crates/component/src/component_layout.rs
+++ b/crates/component/src/component_layout.rs
@@ -42,7 +42,7 @@ impl RenderOnce for ComponentExample {
                             div()
                                 .text_size(rems(0.875))
                                 .text_color(cx.theme().colors().text_muted)
-                                .child(description.clone()),
+                                .child(description),
                         )
                     }),
             )
diff --git a/crates/context_server/src/client.rs b/crates/context_server/src/client.rs
index 1eb29bbbf9..03cf047ac5 100644
--- a/crates/context_server/src/client.rs
+++ b/crates/context_server/src/client.rs
@@ -67,11 +67,7 @@ pub(crate) struct Client {
 pub(crate) struct ContextServerId(pub Arc<str>);
 
 fn is_null_value<T: Serialize>(value: &T) -> bool {
-    if let Ok(Value::Null) = serde_json::to_value(value) {
-        true
-    } else {
-        false
-    }
+    matches!(serde_json::to_value(value), Ok(Value::Null))
 }
 
 #[derive(Serialize, Deserialize)]
@@ -161,7 +157,7 @@ impl Client {
         working_directory: &Option<PathBuf>,
         cx: AsyncApp,
     ) -> Result<Self> {
-        log::info!(
+        log::debug!(
             "starting context server (executable={:?}, args={:?})",
             binary.executable,
             &binary.args
@@ -271,10 +267,10 @@ impl Client {
                     );
                 }
             } else if let Ok(response) = serde_json::from_str::<AnyResponse>(&message) {
-                if let Some(handlers) = response_handlers.lock().as_mut() {
-                    if let Some(handler) = handlers.remove(&response.id) {
-                        handler(Ok(message.to_string()));
-                    }
+                if let Some(handlers) = response_handlers.lock().as_mut()
+                    && let Some(handler) = handlers.remove(&response.id)
+                {
+                    handler(Ok(message.to_string()));
                 }
             } else if let Ok(notification) = serde_json::from_str::<AnyNotification>(&message) {
                 let mut notification_handlers = notification_handlers.lock();
@@ -295,7 +291,7 @@ impl Client {
     /// Continuously reads and logs any error messages from the server.
     async fn handle_err(transport: Arc<dyn Transport>) -> anyhow::Result<()> {
         while let Some(err) = transport.receive_err().next().await {
-            log::warn!("context server stderr: {}", err.trim());
+            log::debug!("context server stderr: {}", err.trim());
         }
 
         Ok(())
@@ -441,14 +437,12 @@ impl Client {
         Ok(())
     }
 
-    #[allow(unused)]
-    pub fn on_notification<F>(&self, method: &'static str, f: F)
-    where
-        F: 'static + Send + FnMut(Value, AsyncApp),
-    {
-        self.notification_handlers
-            .lock()
-            .insert(method, Box::new(f));
+    pub fn on_notification(
+        &self,
+        method: &'static str,
+        f: Box<dyn 'static + Send + FnMut(Value, AsyncApp)>,
+    ) {
+        self.notification_handlers.lock().insert(method, f);
     }
 }
 
diff --git a/crates/context_server/src/context_server.rs b/crates/context_server/src/context_server.rs
index e76e7972f7..9ca78138db 100644
--- a/crates/context_server/src/context_server.rs
+++ b/crates/context_server/src/context_server.rs
@@ -95,8 +95,28 @@ impl ContextServer {
         self.client.read().clone()
     }
 
-    pub async fn start(self: Arc<Self>, cx: &AsyncApp) -> Result<()> {
-        let client = match &self.configuration {
+    pub async fn start(&self, cx: &AsyncApp) -> Result<()> {
+        self.initialize(self.new_client(cx)?).await
+    }
+
+    /// Starts the context server, making sure handlers are registered before initialization happens
+    pub async fn start_with_handlers(
+        &self,
+        notification_handlers: Vec<(
+            &'static str,
+            Box<dyn 'static + Send + FnMut(serde_json::Value, AsyncApp)>,
+        )>,
+        cx: &AsyncApp,
+    ) -> Result<()> {
+        let client = self.new_client(cx)?;
+        for (method, handler) in notification_handlers {
+            client.on_notification(method, handler);
+        }
+        self.initialize(client).await
+    }
+
+    fn new_client(&self, cx: &AsyncApp) -> Result<Client> {
+        Ok(match &self.configuration {
             ContextServerTransport::Stdio(command, working_directory) => Client::stdio(
                 client::ContextServerId(self.id.0.clone()),
                 client::ModelContextServerBinary {
@@ -113,12 +133,11 @@ impl ContextServer {
                 transport.clone(),
                 cx.clone(),
             )?,
-        };
-        self.initialize(client).await
+        })
     }
 
     async fn initialize(&self, client: Client) -> Result<()> {
-        log::info!("starting context server {}", self.id);
+        log::debug!("starting context server {}", self.id);
         let protocol = crate::protocol::ModelContextProtocol::new(client);
         let client_info = types::Implementation {
             name: "Zed".to_string(),
diff --git a/crates/context_server/src/listener.rs b/crates/context_server/src/listener.rs
index 34e3a9a78c..4e5da2566e 100644
--- a/crates/context_server/src/listener.rs
+++ b/crates/context_server/src/listener.rs
@@ -14,6 +14,7 @@ use serde::de::DeserializeOwned;
 use serde_json::{json, value::RawValue};
 use smol::stream::StreamExt;
 use std::{
+    any::TypeId,
     cell::RefCell,
     path::{Path, PathBuf},
     rc::Rc,
@@ -77,29 +78,40 @@ impl McpServer {
                 socket_path,
                 _server_task: server_task,
                 tools,
-                handlers: handlers,
+                handlers,
             })
         })
     }
 
     pub fn add_tool<T: McpServerTool + Clone + 'static>(&mut self, tool: T) {
-        let output_schema = schemars::schema_for!(T::Output);
-        let unit_schema = schemars::schema_for!(());
+        let mut settings = schemars::generate::SchemaSettings::draft07();
+        settings.inline_subschemas = true;
+        let mut generator = settings.into_generator();
+
+        let input_schema = generator.root_schema_for::<T::Input>();
+
+        let description = input_schema
+            .get("description")
+            .and_then(|desc| desc.as_str())
+            .map(|desc| desc.to_string());
+        debug_assert!(
+            description.is_some(),
+            "Input schema struct must include a doc comment for the tool description"
+        );
 
         let registered_tool = RegisteredTool {
             tool: Tool {
                 name: T::NAME.into(),
-                description: Some(tool.description().into()),
-                input_schema: schemars::schema_for!(T::Input).into(),
-                output_schema: if output_schema == unit_schema {
+                description,
+                input_schema: input_schema.into(),
+                output_schema: if TypeId::of::<T::Output>() == TypeId::of::<()>() {
                     None
                 } else {
-                    Some(output_schema.into())
+                    Some(generator.root_schema_for::<T::Output>().into())
                 },
                 annotations: Some(tool.annotations()),
             },
             handler: Box::new({
-                let tool = tool.clone();
                 move |input_value, cx| {
                     let input = match input_value {
                         Some(input) => serde_json::from_value(input),
@@ -311,12 +323,12 @@ impl McpServer {
                     Self::send_err(
                         request_id,
                         format!("Tool not found: {}", params.name),
-                        &outgoing_tx,
+                        outgoing_tx,
                     );
                 }
             }
             Err(err) => {
-                Self::send_err(request_id, err.to_string(), &outgoing_tx);
+                Self::send_err(request_id, err.to_string(), outgoing_tx);
             }
         }
     }
@@ -395,8 +407,6 @@ pub trait McpServerTool {
 
     const NAME: &'static str;
 
-    fn description(&self) -> &'static str;
-
     fn annotations(&self) -> ToolAnnotations {
         ToolAnnotations {
             title: None,
@@ -414,6 +424,7 @@ pub trait McpServerTool {
     ) -> impl Future<Output = Result<ToolResponse<Self::Output>>>;
 }
 
+#[derive(Debug)]
 pub struct ToolResponse<T> {
     pub content: Vec<ToolResponseContent>,
     pub structured_content: T,
diff --git a/crates/context_server/src/protocol.rs b/crates/context_server/src/protocol.rs
index 9ccbc8a553..5355f20f62 100644
--- a/crates/context_server/src/protocol.rs
+++ b/crates/context_server/src/protocol.rs
@@ -115,10 +115,11 @@ impl InitializedContextServerProtocol {
         self.inner.notify(T::METHOD, params)
     }
 
-    pub fn on_notification<F>(&self, method: &'static str, f: F)
-    where
-        F: 'static + Send + FnMut(Value, AsyncApp),
-    {
+    pub fn on_notification(
+        &self,
+        method: &'static str,
+        f: Box<dyn 'static + Send + FnMut(Value, AsyncApp)>,
+    ) {
         self.inner.on_notification(method, f);
     }
 }
diff --git a/crates/context_server/src/test.rs b/crates/context_server/src/test.rs
index dedf589664..008542ab24 100644
--- a/crates/context_server/src/test.rs
+++ b/crates/context_server/src/test.rs
@@ -1,6 +1,6 @@
 use anyhow::Context as _;
 use collections::HashMap;
-use futures::{Stream, StreamExt as _, lock::Mutex};
+use futures::{FutureExt, Stream, StreamExt as _, future::BoxFuture, lock::Mutex};
 use gpui::BackgroundExecutor;
 use std::{pin::Pin, sync::Arc};
 
@@ -14,9 +14,12 @@ pub fn create_fake_transport(
     executor: BackgroundExecutor,
 ) -> FakeTransport {
     let name = name.into();
-    FakeTransport::new(executor).on_request::<crate::types::requests::Initialize>(move |_params| {
-        create_initialize_response(name.clone())
-    })
+    FakeTransport::new(executor).on_request::<crate::types::requests::Initialize, _>(
+        move |_params| {
+            let name = name.clone();
+            async move { create_initialize_response(name.clone()) }
+        },
+    )
 }
 
 fn create_initialize_response(server_name: String) -> InitializeResponse {
@@ -32,8 +35,10 @@ fn create_initialize_response(server_name: String) -> InitializeResponse {
 }
 
 pub struct FakeTransport {
-    request_handlers:
-        HashMap<&'static str, Arc<dyn Fn(serde_json::Value) -> serde_json::Value + Send + Sync>>,
+    request_handlers: HashMap<
+        &'static str,
+        Arc<dyn Send + Sync + Fn(serde_json::Value) -> BoxFuture<'static, serde_json::Value>>,
+    >,
     tx: futures::channel::mpsc::UnboundedSender<String>,
     rx: Arc<Mutex<futures::channel::mpsc::UnboundedReceiver<String>>>,
     executor: BackgroundExecutor,
@@ -50,18 +55,25 @@ impl FakeTransport {
         }
     }
 
-    pub fn on_request<T: crate::types::Request>(
+    pub fn on_request<T, Fut>(
         mut self,
-        handler: impl Fn(T::Params) -> T::Response + Send + Sync + 'static,
-    ) -> Self {
+        handler: impl 'static + Send + Sync + Fn(T::Params) -> Fut,
+    ) -> Self
+    where
+        T: crate::types::Request,
+        Fut: 'static + Send + Future<Output = T::Response>,
+    {
         self.request_handlers.insert(
             T::METHOD,
             Arc::new(move |value| {
-                let params = value.get("params").expect("Missing parameters").clone();
+                let params = value
+                    .get("params")
+                    .cloned()
+                    .unwrap_or(serde_json::Value::Null);
                 let params: T::Params =
                     serde_json::from_value(params).expect("Invalid parameters received");
                 let response = handler(params);
-                serde_json::to_value(response).unwrap()
+                async move { serde_json::to_value(response.await).unwrap() }.boxed()
             }),
         );
         self
@@ -77,7 +89,7 @@ impl Transport for FakeTransport {
             if let Some(method) = msg.get("method") {
                 let method = method.as_str().expect("Invalid method received");
                 if let Some(handler) = self.request_handlers.get(method) {
-                    let payload = handler(msg);
+                    let payload = handler(msg).await;
                     let response = serde_json::json!({
                         "jsonrpc": "2.0",
                         "id": id,
diff --git a/crates/context_server/src/types.rs b/crates/context_server/src/types.rs
index 5fa2420a3d..03aca4f3ca 100644
--- a/crates/context_server/src/types.rs
+++ b/crates/context_server/src/types.rs
@@ -691,7 +691,7 @@ impl CallToolResponse {
         let mut text = String::new();
         for chunk in &self.content {
             if let ToolResponseContent::Text { text: chunk } = chunk {
-                text.push_str(&chunk)
+                text.push_str(chunk)
             };
         }
         text
@@ -711,6 +711,16 @@ pub enum ToolResponseContent {
     Resource { resource: ResourceContents },
 }
 
+impl ToolResponseContent {
+    pub fn text(&self) -> Option<&str> {
+        if let ToolResponseContent::Text { text } = self {
+            Some(text)
+        } else {
+            None
+        }
+    }
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct ListToolsResponse {
diff --git a/crates/copilot/Cargo.toml b/crates/copilot/Cargo.toml
index 234875d420..0fc119f311 100644
--- a/crates/copilot/Cargo.toml
+++ b/crates/copilot/Cargo.toml
@@ -34,7 +34,7 @@ fs.workspace = true
 futures.workspace = true
 gpui.workspace = true
 http_client.workspace = true
-inline_completion.workspace = true
+edit_prediction.workspace = true
 language.workspace = true
 log.workspace = true
 lsp.workspace = true
@@ -46,6 +46,7 @@ project.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 settings.workspace = true
+sum_tree.workspace = true
 task.workspace = true
 ui.workspace = true
 util.workspace = true
diff --git a/crates/copilot/src/copilot.rs b/crates/copilot/src/copilot.rs
index e11242cb15..b7d8423fd7 100644
--- a/crates/copilot/src/copilot.rs
+++ b/crates/copilot/src/copilot.rs
@@ -6,7 +6,6 @@ mod sign_in;
 use crate::sign_in::initiate_sign_in_within_workspace;
 use ::fs::Fs;
 use anyhow::{Context as _, Result, anyhow};
-use client::DisableAiSettings;
 use collections::{HashMap, HashSet};
 use command_palette_hooks::CommandPaletteFilter;
 use futures::{Future, FutureExt, TryFutureExt, channel::oneshot, future::Shared};
@@ -22,8 +21,9 @@ use language::{
     point_from_lsp, point_to_lsp,
 };
 use lsp::{LanguageServer, LanguageServerBinary, LanguageServerId, LanguageServerName};
-use node_runtime::NodeRuntime;
+use node_runtime::{NodeRuntime, VersionStrategy};
 use parking_lot::Mutex;
+use project::DisableAiSettings;
 use request::StatusNotification;
 use serde_json::json;
 use settings::Settings;
@@ -39,6 +39,7 @@ use std::{
     path::{Path, PathBuf},
     sync::Arc,
 };
+use sum_tree::Dimensions;
 use util::{ResultExt, fs::remove_matching};
 use workspace::Workspace;
 
@@ -80,50 +81,15 @@ pub fn init(
     };
     copilot_chat::init(fs.clone(), http.clone(), configuration, cx);
 
-    let copilot = cx.new({
-        let node_runtime = node_runtime.clone();
-        move |cx| Copilot::start(new_server_id, fs, node_runtime, cx)
-    });
+    let copilot = cx.new(move |cx| Copilot::start(new_server_id, fs, node_runtime, cx));
     Copilot::set_global(copilot.clone(), cx);
-    cx.observe(&copilot, |handle, cx| {
-        let copilot_action_types = [
-            TypeId::of::<Suggest>(),
-            TypeId::of::<NextSuggestion>(),
-            TypeId::of::<PreviousSuggestion>(),
-            TypeId::of::<Reinstall>(),
-        ];
-        let copilot_auth_action_types = [TypeId::of::<SignOut>()];
-        let copilot_no_auth_action_types = [TypeId::of::<SignIn>()];
-        let status = handle.read(cx).status();
-
-        let is_ai_disabled = DisableAiSettings::get_global(cx).disable_ai;
-        let filter = CommandPaletteFilter::global_mut(cx);
-
-        if is_ai_disabled {
-            filter.hide_action_types(&copilot_action_types);
-            filter.hide_action_types(&copilot_auth_action_types);
-            filter.hide_action_types(&copilot_no_auth_action_types);
-        } else {
-            match status {
-                Status::Disabled => {
-                    filter.hide_action_types(&copilot_action_types);
-                    filter.hide_action_types(&copilot_auth_action_types);
-                    filter.hide_action_types(&copilot_no_auth_action_types);
-                }
-                Status::Authorized => {
-                    filter.hide_action_types(&copilot_no_auth_action_types);
-                    filter.show_action_types(
-                        copilot_action_types
-                            .iter()
-                            .chain(&copilot_auth_action_types),
-                    );
-                }
-                _ => {
-                    filter.hide_action_types(&copilot_action_types);
-                    filter.hide_action_types(&copilot_auth_action_types);
-                    filter.show_action_types(copilot_no_auth_action_types.iter());
-                }
-            }
+    cx.observe(&copilot, |copilot, cx| {
+        copilot.update(cx, |copilot, cx| copilot.update_action_visibilities(cx));
+    })
+    .detach();
+    cx.observe_global::<SettingsStore>(|cx| {
+        if let Some(copilot) = Copilot::global(cx) {
+            copilot.update(cx, |copilot, cx| copilot.update_action_visibilities(cx));
         }
     })
     .detach();
@@ -160,7 +126,7 @@ impl CopilotServer {
     fn as_authenticated(&mut self) -> Result<&mut RunningCopilotServer> {
         let server = self.as_running()?;
         anyhow::ensure!(
-            matches!(server.sign_in_status, SignInStatus::Authorized { .. }),
+            matches!(server.sign_in_status, SignInStatus::Authorized),
             "must sign in before using copilot"
         );
         Ok(server)
@@ -271,7 +237,7 @@ impl RegisteredBuffer {
                         let new_snapshot = new_snapshot.clone();
                         async move {
                             new_snapshot
-                                .edits_since::<(PointUtf16, usize)>(&old_version)
+                                .edits_since::<Dimensions<PointUtf16, usize>>(&old_version)
                                 .map(|edit| {
                                     let edit_start = edit.new.start.0;
                                     let edit_end = edit_start + (edit.old.end.0 - edit.old.start.0);
@@ -380,7 +346,11 @@ impl Copilot {
         this.start_copilot(true, false, cx);
         cx.observe_global::<SettingsStore>(move |this, cx| {
             this.start_copilot(true, false, cx);
-            this.send_configuration_update(cx);
+            if let Ok(server) = this.server.as_running() {
+                notify_did_change_config_to_server(&server.lsp, cx)
+                    .context("copilot setting change: did change configuration")
+                    .log_err();
+            }
         })
         .detach();
         this
@@ -469,43 +439,6 @@ impl Copilot {
         if env.is_empty() { None } else { Some(env) }
     }
 
-    fn send_configuration_update(&mut self, cx: &mut Context<Self>) {
-        let copilot_settings = all_language_settings(None, cx)
-            .edit_predictions
-            .copilot
-            .clone();
-
-        let settings = json!({
-            "http": {
-                "proxy": copilot_settings.proxy,
-                "proxyStrictSSL": !copilot_settings.proxy_no_verify.unwrap_or(false)
-            },
-            "github-enterprise": {
-                "uri": copilot_settings.enterprise_uri
-            }
-        });
-
-        if let Some(copilot_chat) = copilot_chat::CopilotChat::global(cx) {
-            copilot_chat.update(cx, |chat, cx| {
-                chat.set_configuration(
-                    copilot_chat::CopilotChatConfiguration {
-                        enterprise_uri: copilot_settings.enterprise_uri.clone(),
-                    },
-                    cx,
-                );
-            });
-        }
-
-        if let Ok(server) = self.server.as_running() {
-            server
-                .lsp
-                .notify::<lsp::notification::DidChangeConfiguration>(
-                    &lsp::DidChangeConfigurationParams { settings },
-                )
-                .log_err();
-        }
-    }
-
     #[cfg(any(test, feature = "test-support"))]
     pub fn fake(cx: &mut gpui::TestAppContext) -> (Entity<Self>, lsp::FakeLanguageServer) {
         use fs::FakeFs;
@@ -604,6 +537,9 @@ impl Copilot {
                 })?
                 .await?;
 
+            this.update(cx, |_, cx| notify_did_change_config_to_server(&server, cx))?
+                .context("copilot: did change configuration")?;
+
             let status = server
                 .request::<request::CheckStatus>(request::CheckStatusParams {
                     local_checks_only: false,
@@ -629,8 +565,6 @@ impl Copilot {
                     });
                     cx.emit(Event::CopilotLanguageServerStarted);
                     this.update_sign_in_status(status, cx);
-                    // Send configuration now that the LSP is fully started
-                    this.send_configuration_update(cx);
                 }
                 Err(error) => {
                     this.server = CopilotServer::Error(error.to_string().into());
@@ -644,12 +578,12 @@ impl Copilot {
     pub(crate) fn sign_in(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
         if let CopilotServer::Running(server) = &mut self.server {
             let task = match &server.sign_in_status {
-                SignInStatus::Authorized { .. } => Task::ready(Ok(())).shared(),
+                SignInStatus::Authorized => Task::ready(Ok(())).shared(),
                 SignInStatus::SigningIn { task, .. } => {
                     cx.notify();
                     task.clone()
                 }
-                SignInStatus::SignedOut { .. } | SignInStatus::Unauthorized { .. } => {
+                SignInStatus::SignedOut { .. } | SignInStatus::Unauthorized => {
                     let lsp = server.lsp.clone();
                     let task = cx
                         .spawn(async move |this, cx| {
@@ -671,15 +605,13 @@ impl Copilot {
                                                 sign_in_status: status,
                                                 ..
                                             }) = &mut this.server
-                                            {
-                                                if let SignInStatus::SigningIn {
+                                                && let SignInStatus::SigningIn {
                                                     prompt: prompt_flow,
                                                     ..
                                                 } = status
-                                                {
-                                                    *prompt_flow = Some(flow.clone());
-                                                    cx.notify();
-                                                }
+                                            {
+                                                *prompt_flow = Some(flow.clone());
+                                                cx.notify();
                                             }
                                         })?;
                                         let response = lsp
@@ -795,7 +727,7 @@ impl Copilot {
             ..
         }) = &mut self.server
         {
-            if !matches!(status, SignInStatus::Authorized { .. }) {
+            if !matches!(status, SignInStatus::Authorized) {
                 return;
             }
 
@@ -845,59 +777,58 @@ impl Copilot {
         event: &language::BufferEvent,
         cx: &mut Context<Self>,
     ) -> Result<()> {
-        if let Ok(server) = self.server.as_running() {
-            if let Some(registered_buffer) = server.registered_buffers.get_mut(&buffer.entity_id())
-            {
-                match event {
-                    language::BufferEvent::Edited => {
-                        drop(registered_buffer.report_changes(&buffer, cx));
-                    }
-                    language::BufferEvent::Saved => {
+        if let Ok(server) = self.server.as_running()
+            && let Some(registered_buffer) = server.registered_buffers.get_mut(&buffer.entity_id())
+        {
+            match event {
+                language::BufferEvent::Edited => {
+                    drop(registered_buffer.report_changes(&buffer, cx));
+                }
+                language::BufferEvent::Saved => {
+                    server
+                        .lsp
+                        .notify::<lsp::notification::DidSaveTextDocument>(
+                            &lsp::DidSaveTextDocumentParams {
+                                text_document: lsp::TextDocumentIdentifier::new(
+                                    registered_buffer.uri.clone(),
+                                ),
+                                text: None,
+                            },
+                        )?;
+                }
+                language::BufferEvent::FileHandleChanged
+                | language::BufferEvent::LanguageChanged => {
+                    let new_language_id = id_for_language(buffer.read(cx).language());
+                    let Ok(new_uri) = uri_for_buffer(&buffer, cx) else {
+                        return Ok(());
+                    };
+                    if new_uri != registered_buffer.uri
+                        || new_language_id != registered_buffer.language_id
+                    {
+                        let old_uri = mem::replace(&mut registered_buffer.uri, new_uri);
+                        registered_buffer.language_id = new_language_id;
                         server
                             .lsp
-                            .notify::<lsp::notification::DidSaveTextDocument>(
-                                &lsp::DidSaveTextDocumentParams {
-                                    text_document: lsp::TextDocumentIdentifier::new(
+                            .notify::<lsp::notification::DidCloseTextDocument>(
+                                &lsp::DidCloseTextDocumentParams {
+                                    text_document: lsp::TextDocumentIdentifier::new(old_uri),
+                                },
+                            )?;
+                        server
+                            .lsp
+                            .notify::<lsp::notification::DidOpenTextDocument>(
+                                &lsp::DidOpenTextDocumentParams {
+                                    text_document: lsp::TextDocumentItem::new(
                                         registered_buffer.uri.clone(),
+                                        registered_buffer.language_id.clone(),
+                                        registered_buffer.snapshot_version,
+                                        registered_buffer.snapshot.text(),
                                     ),
-                                    text: None,
                                 },
                             )?;
                     }
-                    language::BufferEvent::FileHandleChanged
-                    | language::BufferEvent::LanguageChanged => {
-                        let new_language_id = id_for_language(buffer.read(cx).language());
-                        let Ok(new_uri) = uri_for_buffer(&buffer, cx) else {
-                            return Ok(());
-                        };
-                        if new_uri != registered_buffer.uri
-                            || new_language_id != registered_buffer.language_id
-                        {
-                            let old_uri = mem::replace(&mut registered_buffer.uri, new_uri);
-                            registered_buffer.language_id = new_language_id;
-                            server
-                                .lsp
-                                .notify::<lsp::notification::DidCloseTextDocument>(
-                                    &lsp::DidCloseTextDocumentParams {
-                                        text_document: lsp::TextDocumentIdentifier::new(old_uri),
-                                    },
-                                )?;
-                            server
-                                .lsp
-                                .notify::<lsp::notification::DidOpenTextDocument>(
-                                    &lsp::DidOpenTextDocumentParams {
-                                        text_document: lsp::TextDocumentItem::new(
-                                            registered_buffer.uri.clone(),
-                                            registered_buffer.language_id.clone(),
-                                            registered_buffer.snapshot_version,
-                                            registered_buffer.snapshot.text(),
-                                        ),
-                                    },
-                                )?;
-                        }
-                    }
-                    _ => {}
                 }
+                _ => {}
             }
         }
 
@@ -905,17 +836,17 @@ impl Copilot {
     }
 
     fn unregister_buffer(&mut self, buffer: &WeakEntity<Buffer>) {
-        if let Ok(server) = self.server.as_running() {
-            if let Some(buffer) = server.registered_buffers.remove(&buffer.entity_id()) {
-                server
-                    .lsp
-                    .notify::<lsp::notification::DidCloseTextDocument>(
-                        &lsp::DidCloseTextDocumentParams {
-                            text_document: lsp::TextDocumentIdentifier::new(buffer.uri),
-                        },
-                    )
-                    .ok();
-            }
+        if let Ok(server) = self.server.as_running()
+            && let Some(buffer) = server.registered_buffers.remove(&buffer.entity_id())
+        {
+            server
+                .lsp
+                .notify::<lsp::notification::DidCloseTextDocument>(
+                    &lsp::DidCloseTextDocumentParams {
+                        text_document: lsp::TextDocumentIdentifier::new(buffer.uri),
+                    },
+                )
+                .ok();
         }
     }
 
@@ -1078,8 +1009,8 @@ impl Copilot {
             CopilotServer::Error(error) => Status::Error(error.clone()),
             CopilotServer::Running(RunningCopilotServer { sign_in_status, .. }) => {
                 match sign_in_status {
-                    SignInStatus::Authorized { .. } => Status::Authorized,
-                    SignInStatus::Unauthorized { .. } => Status::Unauthorized,
+                    SignInStatus::Authorized => Status::Authorized,
+                    SignInStatus::Unauthorized => Status::Unauthorized,
                     SignInStatus::SigningIn { prompt, .. } => Status::SigningIn {
                         prompt: prompt.clone(),
                     },
@@ -1131,6 +1062,44 @@ impl Copilot {
             cx.notify();
         }
     }
+
+    fn update_action_visibilities(&self, cx: &mut App) {
+        let signed_in_actions = [
+            TypeId::of::<Suggest>(),
+            TypeId::of::<NextSuggestion>(),
+            TypeId::of::<PreviousSuggestion>(),
+            TypeId::of::<Reinstall>(),
+        ];
+        let auth_actions = [TypeId::of::<SignOut>()];
+        let no_auth_actions = [TypeId::of::<SignIn>()];
+        let status = self.status();
+
+        let is_ai_disabled = DisableAiSettings::get_global(cx).disable_ai;
+        let filter = CommandPaletteFilter::global_mut(cx);
+
+        if is_ai_disabled {
+            filter.hide_action_types(&signed_in_actions);
+            filter.hide_action_types(&auth_actions);
+            filter.hide_action_types(&no_auth_actions);
+        } else {
+            match status {
+                Status::Disabled => {
+                    filter.hide_action_types(&signed_in_actions);
+                    filter.hide_action_types(&auth_actions);
+                    filter.hide_action_types(&no_auth_actions);
+                }
+                Status::Authorized => {
+                    filter.hide_action_types(&no_auth_actions);
+                    filter.show_action_types(signed_in_actions.iter().chain(&auth_actions));
+                }
+                _ => {
+                    filter.hide_action_types(&signed_in_actions);
+                    filter.hide_action_types(&auth_actions);
+                    filter.show_action_types(no_auth_actions.iter());
+                }
+            }
+        }
+    }
 }
 
 fn id_for_language(language: Option<&Arc<Language>>) -> String {
@@ -1149,6 +1118,41 @@ fn uri_for_buffer(buffer: &Entity<Buffer>, cx: &App) -> Result<lsp::Url, ()> {
     }
 }
 
+fn notify_did_change_config_to_server(
+    server: &Arc<LanguageServer>,
+    cx: &mut Context<Copilot>,
+) -> std::result::Result<(), anyhow::Error> {
+    let copilot_settings = all_language_settings(None, cx)
+        .edit_predictions
+        .copilot
+        .clone();
+
+    if let Some(copilot_chat) = copilot_chat::CopilotChat::global(cx) {
+        copilot_chat.update(cx, |chat, cx| {
+            chat.set_configuration(
+                copilot_chat::CopilotChatConfiguration {
+                    enterprise_uri: copilot_settings.enterprise_uri.clone(),
+                },
+                cx,
+            );
+        });
+    }
+
+    let settings = json!({
+        "http": {
+            "proxy": copilot_settings.proxy,
+            "proxyStrictSSL": !copilot_settings.proxy_no_verify.unwrap_or(false)
+        },
+        "github-enterprise": {
+            "uri": copilot_settings.enterprise_uri
+        }
+    });
+
+    server.notify::<lsp::notification::DidChangeConfiguration>(&lsp::DidChangeConfigurationParams {
+        settings,
+    })
+}
+
 async fn clear_copilot_dir() {
     remove_matching(paths::copilot_dir(), |_| true).await
 }
@@ -1174,7 +1178,7 @@ async fn get_copilot_lsp(fs: Arc<dyn Fs>, node_runtime: NodeRuntime) -> anyhow::
             PACKAGE_NAME,
             &server_path,
             paths::copilot_dir(),
-            &latest_version,
+            VersionStrategy::Latest(&latest_version),
         )
         .await;
     if should_install {
diff --git a/crates/copilot/src/copilot_chat.rs b/crates/copilot/src/copilot_chat.rs
index 4c91b4fedb..e8e2251648 100644
--- a/crates/copilot/src/copilot_chat.rs
+++ b/crates/copilot/src/copilot_chat.rs
@@ -484,7 +484,7 @@ impl CopilotChat {
         };
 
         if this.oauth_token.is_some() {
-            cx.spawn(async move |this, mut cx| Self::update_models(&this, &mut cx).await)
+            cx.spawn(async move |this, cx| Self::update_models(&this, cx).await)
                 .detach_and_log_err(cx);
         }
 
@@ -863,7 +863,7 @@ mod tests {
               "object": "list"
             }"#;
 
-        let schema: ModelSchema = serde_json::from_str(&json).unwrap();
+        let schema: ModelSchema = serde_json::from_str(json).unwrap();
 
         assert_eq!(schema.data.len(), 2);
         assert_eq!(schema.data[0].id, "gpt-4");
diff --git a/crates/copilot/src/copilot_completion_provider.rs b/crates/copilot/src/copilot_completion_provider.rs
index 8dc04622f9..52d75175e5 100644
--- a/crates/copilot/src/copilot_completion_provider.rs
+++ b/crates/copilot/src/copilot_completion_provider.rs
@@ -1,7 +1,7 @@
 use crate::{Completion, Copilot};
 use anyhow::Result;
+use edit_prediction::{Direction, EditPrediction, EditPredictionProvider};
 use gpui::{App, Context, Entity, EntityId, Task};
-use inline_completion::{Direction, EditPredictionProvider, InlineCompletion};
 use language::{Buffer, OffsetRangeExt, ToOffset, language_settings::AllLanguageSettings};
 use project::Project;
 use settings::Settings;
@@ -58,11 +58,19 @@ impl EditPredictionProvider for CopilotCompletionProvider {
     }
 
     fn show_completions_in_menu() -> bool {
+        true
+    }
+
+    fn show_tab_accept_marker() -> bool {
+        true
+    }
+
+    fn supports_jump_to_edit() -> bool {
         false
     }
 
     fn is_refreshing(&self) -> bool {
-        self.pending_refresh.is_some()
+        self.pending_refresh.is_some() && self.completions.is_empty()
     }
 
     fn is_enabled(
@@ -210,7 +218,7 @@ impl EditPredictionProvider for CopilotCompletionProvider {
         buffer: &Entity<Buffer>,
         cursor_position: language::Anchor,
         cx: &mut Context<Self>,
-    ) -> Option<InlineCompletion> {
+    ) -> Option<EditPrediction> {
         let buffer_id = buffer.entity_id();
         let buffer = buffer.read(cx);
         let completion = self.active_completion()?;
@@ -241,7 +249,7 @@ impl EditPredictionProvider for CopilotCompletionProvider {
                 None
             } else {
                 let position = cursor_position.bias_right(buffer);
-                Some(InlineCompletion {
+                Some(EditPrediction {
                     id: None,
                     edits: vec![(position..position, completion_text.into())],
                     edit_preview: None,
@@ -293,6 +301,7 @@ mod tests {
         init_test(cx, |settings| {
             settings.defaults.completions = Some(CompletionSettings {
                 words: WordsCompletionMode::Disabled,
+                words_min_length: 0,
                 lsp: true,
                 lsp_fetch_timeout_ms: 0,
                 lsp_insert_mode: LspInsertMode::Insert,
@@ -343,8 +352,8 @@ mod tests {
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, window, cx| {
             assert!(editor.context_menu_visible());
-            assert!(!editor.has_active_inline_completion());
-            // Since we have both, the copilot suggestion is not shown inline
+            assert!(editor.has_active_edit_prediction());
+            // Since we have both, the copilot suggestion is existing but does not show up as ghost text
             assert_eq!(editor.text(cx), "one.\ntwo\nthree\n");
             assert_eq!(editor.display_text(cx), "one.\ntwo\nthree\n");
 
@@ -355,7 +364,7 @@ mod tests {
                 .unwrap()
                 .detach();
             assert!(!editor.context_menu_visible());
-            assert!(!editor.has_active_inline_completion());
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(editor.text(cx), "one.completion_a\ntwo\nthree\n");
             assert_eq!(editor.display_text(cx), "one.completion_a\ntwo\nthree\n");
         });
@@ -389,7 +398,7 @@ mod tests {
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, _, cx| {
             assert!(!editor.context_menu_visible());
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             // Since only the copilot is available, it's shown inline
             assert_eq!(editor.display_text(cx), "one.copilot1\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.\ntwo\nthree\n");
@@ -400,7 +409,7 @@ mod tests {
         executor.run_until_parked();
         cx.update_editor(|editor, _, cx| {
             assert!(!editor.context_menu_visible());
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one.copilot1\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.c\ntwo\nthree\n");
         });
@@ -418,25 +427,25 @@ mod tests {
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, window, cx| {
             assert!(!editor.context_menu_visible());
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one.copilot2\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.c\ntwo\nthree\n");
 
             // Canceling should remove the active Copilot suggestion.
             editor.cancel(&Default::default(), window, cx);
-            assert!(!editor.has_active_inline_completion());
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one.c\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.c\ntwo\nthree\n");
 
             // After canceling, tabbing shouldn't insert the previously shown suggestion.
             editor.tab(&Default::default(), window, cx);
-            assert!(!editor.has_active_inline_completion());
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one.c   \ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.c   \ntwo\nthree\n");
 
             // When undoing the previously active suggestion is shown again.
             editor.undo(&Default::default(), window, cx);
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one.copilot2\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.c\ntwo\nthree\n");
         });
@@ -444,25 +453,25 @@ mod tests {
         // If an edit occurs outside of this editor, the suggestion is still correctly interpolated.
         cx.update_buffer(|buffer, cx| buffer.edit([(5..5, "o")], None, cx));
         cx.update_editor(|editor, window, cx| {
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one.copilot2\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.co\ntwo\nthree\n");
 
             // AcceptEditPrediction when there is an active suggestion inserts it.
             editor.accept_edit_prediction(&Default::default(), window, cx);
-            assert!(!editor.has_active_inline_completion());
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one.copilot2\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.copilot2\ntwo\nthree\n");
 
             // When undoing the previously active suggestion is shown again.
             editor.undo(&Default::default(), window, cx);
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one.copilot2\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.co\ntwo\nthree\n");
 
             // Hide suggestion.
             editor.cancel(&Default::default(), window, cx);
-            assert!(!editor.has_active_inline_completion());
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one.co\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.co\ntwo\nthree\n");
         });
@@ -471,7 +480,7 @@ mod tests {
         // we won't make it visible.
         cx.update_buffer(|buffer, cx| buffer.edit([(6..6, "p")], None, cx));
         cx.update_editor(|editor, _, cx| {
-            assert!(!editor.has_active_inline_completion());
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one.cop\ntwo\nthree\n");
             assert_eq!(editor.text(cx), "one.cop\ntwo\nthree\n");
         });
@@ -498,19 +507,19 @@ mod tests {
         });
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, window, cx| {
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "fn foo() {\n    let x = 4;\n}");
             assert_eq!(editor.text(cx), "fn foo() {\n  \n}");
 
             // Tabbing inside of leading whitespace inserts indentation without accepting the suggestion.
             editor.tab(&Default::default(), window, cx);
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.text(cx), "fn foo() {\n    \n}");
             assert_eq!(editor.display_text(cx), "fn foo() {\n    let x = 4;\n}");
 
             // Using AcceptEditPrediction again accepts the suggestion.
             editor.accept_edit_prediction(&Default::default(), window, cx);
-            assert!(!editor.has_active_inline_completion());
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(editor.text(cx), "fn foo() {\n    let x = 4;\n}");
             assert_eq!(editor.display_text(cx), "fn foo() {\n    let x = 4;\n}");
         });
@@ -525,6 +534,7 @@ mod tests {
         init_test(cx, |settings| {
             settings.defaults.completions = Some(CompletionSettings {
                 words: WordsCompletionMode::Disabled,
+                words_min_length: 0,
                 lsp: true,
                 lsp_fetch_timeout_ms: 0,
                 lsp_insert_mode: LspInsertMode::Insert,
@@ -575,17 +585,17 @@ mod tests {
         );
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, window, cx| {
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
 
             // Accepting the first word of the suggestion should only accept the first word and still show the rest.
-            editor.accept_partial_inline_completion(&Default::default(), window, cx);
-            assert!(editor.has_active_inline_completion());
+            editor.accept_partial_edit_prediction(&Default::default(), window, cx);
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.text(cx), "one.copilot\ntwo\nthree\n");
             assert_eq!(editor.display_text(cx), "one.copilot1\ntwo\nthree\n");
 
             // Accepting next word should accept the non-word and copilot suggestion should be gone
-            editor.accept_partial_inline_completion(&Default::default(), window, cx);
-            assert!(!editor.has_active_inline_completion());
+            editor.accept_partial_edit_prediction(&Default::default(), window, cx);
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(editor.text(cx), "one.copilot1\ntwo\nthree\n");
             assert_eq!(editor.display_text(cx), "one.copilot1\ntwo\nthree\n");
         });
@@ -617,11 +627,11 @@ mod tests {
         );
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, window, cx| {
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
 
             // Accepting the first word (non-word) of the suggestion should only accept the first word and still show the rest.
-            editor.accept_partial_inline_completion(&Default::default(), window, cx);
-            assert!(editor.has_active_inline_completion());
+            editor.accept_partial_edit_prediction(&Default::default(), window, cx);
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.text(cx), "one.123. \ntwo\nthree\n");
             assert_eq!(
                 editor.display_text(cx),
@@ -629,8 +639,8 @@ mod tests {
             );
 
             // Accepting next word should accept the next word and copilot suggestion should still exist
-            editor.accept_partial_inline_completion(&Default::default(), window, cx);
-            assert!(editor.has_active_inline_completion());
+            editor.accept_partial_edit_prediction(&Default::default(), window, cx);
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.text(cx), "one.123. copilot\ntwo\nthree\n");
             assert_eq!(
                 editor.display_text(cx),
@@ -638,8 +648,8 @@ mod tests {
             );
 
             // Accepting the whitespace should accept the non-word/whitespaces with newline and copilot suggestion should be gone
-            editor.accept_partial_inline_completion(&Default::default(), window, cx);
-            assert!(!editor.has_active_inline_completion());
+            editor.accept_partial_edit_prediction(&Default::default(), window, cx);
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(editor.text(cx), "one.123. copilot\n 456\ntwo\nthree\n");
             assert_eq!(
                 editor.display_text(cx),
@@ -692,29 +702,29 @@ mod tests {
         });
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, window, cx| {
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one\ntwo.foo()\nthree\n");
             assert_eq!(editor.text(cx), "one\ntw\nthree\n");
 
             editor.backspace(&Default::default(), window, cx);
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one\ntwo.foo()\nthree\n");
             assert_eq!(editor.text(cx), "one\nt\nthree\n");
 
             editor.backspace(&Default::default(), window, cx);
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one\ntwo.foo()\nthree\n");
             assert_eq!(editor.text(cx), "one\n\nthree\n");
 
             // Deleting across the original suggestion range invalidates it.
             editor.backspace(&Default::default(), window, cx);
-            assert!(!editor.has_active_inline_completion());
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one\nthree\n");
             assert_eq!(editor.text(cx), "one\nthree\n");
 
             // Undoing the deletion restores the suggestion.
             editor.undo(&Default::default(), window, cx);
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one\ntwo.foo()\nthree\n");
             assert_eq!(editor.text(cx), "one\n\nthree\n");
         });
@@ -775,7 +785,7 @@ mod tests {
         });
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         _ = editor.update(cx, |editor, _, cx| {
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(
                 editor.display_text(cx),
                 "\n\na = 1\nb = 2 + a\n\n\n\nc = 3\nd = 4\n"
@@ -797,7 +807,7 @@ mod tests {
             editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
                 s.select_ranges([Point::new(4, 5)..Point::new(4, 5)])
             });
-            assert!(!editor.has_active_inline_completion());
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(
                 editor.display_text(cx),
                 "\n\na = 1\nb = 2\n\n\n\nc = 3\nd = 4\n"
@@ -806,7 +816,7 @@ mod tests {
 
             // Type a character, ensuring we don't even try to interpolate the previous suggestion.
             editor.handle_input(" ", window, cx);
-            assert!(!editor.has_active_inline_completion());
+            assert!(!editor.has_active_edit_prediction());
             assert_eq!(
                 editor.display_text(cx),
                 "\n\na = 1\nb = 2\n\n\n\nc = 3\nd = 4 \n"
@@ -817,7 +827,7 @@ mod tests {
         // Ensure the new suggestion is displayed when the debounce timeout expires.
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         _ = editor.update(cx, |editor, _, cx| {
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(
                 editor.display_text(cx),
                 "\n\na = 1\nb = 2\n\n\n\nc = 3\nd = 4 + c\n"
@@ -880,7 +890,7 @@ mod tests {
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, _, cx| {
             assert!(!editor.context_menu_visible());
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one\ntwo.foo()\nthree\n");
             assert_eq!(editor.text(cx), "one\ntw\nthree\n");
         });
@@ -907,7 +917,7 @@ mod tests {
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, _, cx| {
             assert!(!editor.context_menu_visible());
-            assert!(editor.has_active_inline_completion());
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.display_text(cx), "one\ntwo.foo()\nthree\n");
             assert_eq!(editor.text(cx), "one\ntwo\nthree\n");
         });
@@ -934,8 +944,9 @@ mod tests {
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
         cx.update_editor(|editor, _, cx| {
             assert!(editor.context_menu_visible());
-            assert!(!editor.has_active_inline_completion(),);
+            assert!(editor.has_active_edit_prediction());
             assert_eq!(editor.text(cx), "one\ntwo.\nthree\n");
+            assert_eq!(editor.display_text(cx), "one\ntwo.\nthree\n");
         });
     }
 
@@ -1023,7 +1034,7 @@ mod tests {
             editor.change_selections(SelectionEffects::no_scroll(), window, cx, |selections| {
                 selections.select_ranges([Point::new(0, 0)..Point::new(0, 0)])
             });
-            editor.refresh_inline_completion(true, false, window, cx);
+            editor.refresh_edit_prediction(true, false, window, cx);
         });
 
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
@@ -1033,7 +1044,7 @@ mod tests {
             editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
                 s.select_ranges([Point::new(5, 0)..Point::new(5, 0)])
             });
-            editor.refresh_inline_completion(true, false, window, cx);
+            editor.refresh_edit_prediction(true, false, window, cx);
         });
 
         executor.advance_clock(COPILOT_DEBOUNCE_TIMEOUT);
@@ -1074,11 +1085,9 @@ mod tests {
         let replace_range_marker: TextRangeMarker = ('<', '>').into();
         let (_, mut marked_ranges) = marked_text_ranges_by(
             marked_string,
-            vec![complete_from_marker.clone(), replace_range_marker.clone()],
+            vec![complete_from_marker, replace_range_marker.clone()],
         );
 
-        let complete_from_position =
-            cx.to_lsp(marked_ranges.remove(&complete_from_marker).unwrap()[0].start);
         let replace_range =
             cx.to_lsp_range(marked_ranges.remove(&replace_range_marker).unwrap()[0].clone());
 
@@ -1087,10 +1096,6 @@ mod tests {
                 let completions = completions.clone();
                 async move {
                     assert_eq!(params.text_document_position.text_document.uri, url.clone());
-                    assert_eq!(
-                        params.text_document_position.position,
-                        complete_from_position
-                    );
                     Ok(Some(lsp::CompletionResponse::Array(
                         completions
                             .iter()
diff --git a/crates/crashes/Cargo.toml b/crates/crashes/Cargo.toml
new file mode 100644
index 0000000000..370f0bb5f6
--- /dev/null
+++ b/crates/crashes/Cargo.toml
@@ -0,0 +1,28 @@
+[package]
+name = "crashes"
+version = "0.1.0"
+publish.workspace = true
+edition.workspace = true
+license = "GPL-3.0-or-later"
+
+[dependencies]
+bincode.workspace = true
+crash-handler.workspace = true
+log.workspace = true
+minidumper.workspace = true
+paths.workspace = true
+release_channel.workspace = true
+smol.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+system_specs.workspace = true
+workspace-hack.workspace = true
+
+[target.'cfg(target_os = "macos")'.dependencies]
+mach2.workspace = true
+
+[lints]
+workspace = true
+
+[lib]
+path = "src/crashes.rs"
diff --git a/crates/welcome/LICENSE-GPL b/crates/crashes/LICENSE-GPL
similarity index 100%
rename from crates/welcome/LICENSE-GPL
rename to crates/crashes/LICENSE-GPL
diff --git a/crates/crashes/src/crashes.rs b/crates/crashes/src/crashes.rs
new file mode 100644
index 0000000000..f7bc96bff9
--- /dev/null
+++ b/crates/crashes/src/crashes.rs
@@ -0,0 +1,319 @@
+use crash_handler::CrashHandler;
+use log::info;
+use minidumper::{Client, LoopAction, MinidumpBinary};
+use release_channel::{RELEASE_CHANNEL, ReleaseChannel};
+use serde::{Deserialize, Serialize};
+
+#[cfg(target_os = "macos")]
+use std::sync::atomic::AtomicU32;
+use std::{
+    env,
+    fs::{self, File},
+    io,
+    panic::Location,
+    path::{Path, PathBuf},
+    process::{self, Command},
+    sync::{
+        Arc, OnceLock,
+        atomic::{AtomicBool, Ordering},
+    },
+    thread,
+    time::Duration,
+};
+
+// set once the crash handler has initialized and the client has connected to it
+pub static CRASH_HANDLER: OnceLock<Arc<Client>> = OnceLock::new();
+// set when the first minidump request is made to avoid generating duplicate crash reports
+pub static REQUESTED_MINIDUMP: AtomicBool = AtomicBool::new(false);
+const CRASH_HANDLER_PING_TIMEOUT: Duration = Duration::from_secs(60);
+const CRASH_HANDLER_CONNECT_TIMEOUT: Duration = Duration::from_secs(10);
+
+#[cfg(target_os = "macos")]
+static PANIC_THREAD_ID: AtomicU32 = AtomicU32::new(0);
+
+pub async fn init(crash_init: InitCrashHandler) {
+    if *RELEASE_CHANNEL == ReleaseChannel::Dev && env::var("ZED_GENERATE_MINIDUMPS").is_err() {
+        return;
+    }
+
+    let exe = env::current_exe().expect("unable to find ourselves");
+    let zed_pid = process::id();
+    // TODO: we should be able to get away with using 1 crash-handler process per machine,
+    // but for now we append the PID of the current process which makes it unique per remote
+    // server or interactive zed instance. This solves an issue where occasionally the socket
+    // used by the crash handler isn't destroyed correctly which causes it to stay on the file
+    // system and block further attempts to initialize crash handlers with that socket path.
+    let socket_name = paths::temp_dir().join(format!("zed-crash-handler-{zed_pid}"));
+    #[allow(unused)]
+    let server_pid = Command::new(exe)
+        .arg("--crash-handler")
+        .arg(&socket_name)
+        .spawn()
+        .expect("unable to spawn server process")
+        .id();
+    info!("spawning crash handler process");
+
+    let mut elapsed = Duration::ZERO;
+    let retry_frequency = Duration::from_millis(100);
+    let mut maybe_client = None;
+    while maybe_client.is_none() {
+        if let Ok(client) = Client::with_name(socket_name.as_path()) {
+            maybe_client = Some(client);
+            info!("connected to crash handler process after {elapsed:?}");
+            break;
+        }
+        elapsed += retry_frequency;
+        smol::Timer::after(retry_frequency).await;
+    }
+    let client = maybe_client.unwrap();
+    client
+        .send_message(1, serde_json::to_vec(&crash_init).unwrap())
+        .unwrap();
+
+    let client = Arc::new(client);
+    let handler = crash_handler::CrashHandler::attach(unsafe {
+        let client = client.clone();
+        crash_handler::make_crash_event(move |crash_context: &crash_handler::CrashContext| {
+            // only request a minidump once
+            let res = if REQUESTED_MINIDUMP
+                .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
+                .is_ok()
+            {
+                #[cfg(target_os = "macos")]
+                suspend_all_other_threads();
+
+                client.ping().unwrap();
+                client.request_dump(crash_context).is_ok()
+            } else {
+                true
+            };
+            crash_handler::CrashEventResult::Handled(res)
+        })
+    })
+    .expect("failed to attach signal handler");
+
+    #[cfg(target_os = "linux")]
+    {
+        handler.set_ptracer(Some(server_pid));
+    }
+    CRASH_HANDLER.set(client.clone()).ok();
+    std::mem::forget(handler);
+    info!("crash handler registered");
+
+    loop {
+        client.ping().ok();
+        smol::Timer::after(Duration::from_secs(10)).await;
+    }
+}
+
+#[cfg(target_os = "macos")]
+unsafe fn suspend_all_other_threads() {
+    let task = unsafe { mach2::traps::current_task() };
+    let mut threads: mach2::mach_types::thread_act_array_t = std::ptr::null_mut();
+    let mut count = 0;
+    unsafe {
+        mach2::task::task_threads(task, &raw mut threads, &raw mut count);
+    }
+    let current = unsafe { mach2::mach_init::mach_thread_self() };
+    let panic_thread = PANIC_THREAD_ID.load(Ordering::SeqCst);
+    for i in 0..count {
+        let t = unsafe { *threads.add(i as usize) };
+        if t != current && t != panic_thread {
+            unsafe { mach2::thread_act::thread_suspend(t) };
+        }
+    }
+}
+
+pub struct CrashServer {
+    initialization_params: OnceLock<InitCrashHandler>,
+    panic_info: OnceLock<CrashPanic>,
+    active_gpu: OnceLock<system_specs::GpuSpecs>,
+    has_connection: Arc<AtomicBool>,
+}
+
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct CrashInfo {
+    pub init: InitCrashHandler,
+    pub panic: Option<CrashPanic>,
+    pub minidump_error: Option<String>,
+    pub gpus: Vec<system_specs::GpuInfo>,
+    pub active_gpu: Option<system_specs::GpuSpecs>,
+}
+
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct InitCrashHandler {
+    pub session_id: String,
+    pub zed_version: String,
+    pub release_channel: String,
+    pub commit_sha: String,
+}
+
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct CrashPanic {
+    pub message: String,
+    pub span: String,
+}
+
+impl minidumper::ServerHandler for CrashServer {
+    fn create_minidump_file(&self) -> Result<(File, PathBuf), io::Error> {
+        let err_message = "Missing initialization data";
+        let dump_path = paths::logs_dir()
+            .join(
+                &self
+                    .initialization_params
+                    .get()
+                    .expect(err_message)
+                    .session_id,
+            )
+            .with_extension("dmp");
+        let file = File::create(&dump_path)?;
+        Ok((file, dump_path))
+    }
+
+    fn on_minidump_created(&self, result: Result<MinidumpBinary, minidumper::Error>) -> LoopAction {
+        let minidump_error = match result {
+            Ok(mut md_bin) => {
+                use io::Write;
+                let _ = md_bin.file.flush();
+                None
+            }
+            Err(e) => Some(format!("{e:?}")),
+        };
+
+        #[cfg(not(any(target_os = "linux", target_os = "freebsd")))]
+        let gpus = vec![];
+
+        #[cfg(any(target_os = "linux", target_os = "freebsd"))]
+        let gpus = match system_specs::read_gpu_info_from_sys_class_drm() {
+            Ok(gpus) => gpus,
+            Err(err) => {
+                log::warn!("Failed to collect GPU information for crash report: {err}");
+                vec![]
+            }
+        };
+
+        let crash_info = CrashInfo {
+            init: self
+                .initialization_params
+                .get()
+                .expect("not initialized")
+                .clone(),
+            panic: self.panic_info.get().cloned(),
+            minidump_error,
+            active_gpu: self.active_gpu.get().cloned(),
+            gpus,
+        };
+
+        let crash_data_path = paths::logs_dir()
+            .join(&crash_info.init.session_id)
+            .with_extension("json");
+
+        fs::write(crash_data_path, serde_json::to_vec(&crash_info).unwrap()).ok();
+
+        LoopAction::Exit
+    }
+
+    fn on_message(&self, kind: u32, buffer: Vec<u8>) {
+        match kind {
+            1 => {
+                let init_data =
+                    serde_json::from_slice::<InitCrashHandler>(&buffer).expect("invalid init data");
+                self.initialization_params
+                    .set(init_data)
+                    .expect("already initialized");
+            }
+            2 => {
+                let panic_data =
+                    serde_json::from_slice::<CrashPanic>(&buffer).expect("invalid panic data");
+                self.panic_info.set(panic_data).expect("already panicked");
+            }
+            3 => {
+                let gpu_specs: system_specs::GpuSpecs =
+                    bincode::deserialize(&buffer).expect("gpu specs");
+                self.active_gpu
+                    .set(gpu_specs)
+                    .expect("already set active gpu");
+            }
+            _ => {
+                panic!("invalid message kind");
+            }
+        }
+    }
+
+    fn on_client_disconnected(&self, _clients: usize) -> LoopAction {
+        LoopAction::Exit
+    }
+
+    fn on_client_connected(&self, _clients: usize) -> LoopAction {
+        self.has_connection.store(true, Ordering::SeqCst);
+        LoopAction::Continue
+    }
+}
+
+pub fn handle_panic(message: String, span: Option<&Location>) {
+    let span = span
+        .map(|loc| format!("{}:{}", loc.file(), loc.line()))
+        .unwrap_or_default();
+
+    // wait 500ms for the crash handler process to start up
+    // if it's still not there just write panic info and no minidump
+    let retry_frequency = Duration::from_millis(100);
+    for _ in 0..5 {
+        if let Some(client) = CRASH_HANDLER.get() {
+            client
+                .send_message(
+                    2,
+                    serde_json::to_vec(&CrashPanic { message, span }).unwrap(),
+                )
+                .ok();
+            log::error!("triggering a crash to generate a minidump...");
+
+            #[cfg(target_os = "macos")]
+            PANIC_THREAD_ID.store(
+                unsafe { mach2::mach_init::mach_thread_self() },
+                Ordering::SeqCst,
+            );
+
+            #[cfg(target_os = "linux")]
+            CrashHandler.simulate_signal(crash_handler::Signal::Trap as u32);
+            #[cfg(not(target_os = "linux"))]
+            CrashHandler.simulate_exception(None);
+            break;
+        }
+        thread::sleep(retry_frequency);
+    }
+}
+
+pub fn crash_server(socket: &Path) {
+    let Ok(mut server) = minidumper::Server::with_name(socket) else {
+        log::info!("Couldn't create socket, there may already be a running crash server");
+        return;
+    };
+
+    let shutdown = Arc::new(AtomicBool::new(false));
+    let has_connection = Arc::new(AtomicBool::new(false));
+
+    std::thread::spawn({
+        let shutdown = shutdown.clone();
+        let has_connection = has_connection.clone();
+        move || {
+            std::thread::sleep(CRASH_HANDLER_CONNECT_TIMEOUT);
+            if !has_connection.load(Ordering::SeqCst) {
+                shutdown.store(true, Ordering::SeqCst);
+            }
+        }
+    });
+
+    server
+        .run(
+            Box::new(CrashServer {
+                initialization_params: OnceLock::new(),
+                panic_info: OnceLock::new(),
+                has_connection,
+                active_gpu: OnceLock::new(),
+            }),
+            &shutdown,
+            Some(CRASH_HANDLER_PING_TIMEOUT),
+        )
+        .expect("failed to run server");
+}
diff --git a/crates/credentials_provider/src/credentials_provider.rs b/crates/credentials_provider/src/credentials_provider.rs
index f72fd6c39b..2c8dd6fc81 100644
--- a/crates/credentials_provider/src/credentials_provider.rs
+++ b/crates/credentials_provider/src/credentials_provider.rs
@@ -19,7 +19,7 @@ use release_channel::ReleaseChannel;
 /// Only works in development. Setting this environment variable in other
 /// release channels is a no-op.
 static ZED_DEVELOPMENT_USE_KEYCHAIN: LazyLock<bool> = LazyLock::new(|| {
-    std::env::var("ZED_DEVELOPMENT_USE_KEYCHAIN").map_or(false, |value| !value.is_empty())
+    std::env::var("ZED_DEVELOPMENT_USE_KEYCHAIN").is_ok_and(|value| !value.is_empty())
 });
 
 /// A provider for credentials.
diff --git a/crates/dap/src/adapters.rs b/crates/dap/src/adapters.rs
index 0c88f37ff8..2cef266677 100644
--- a/crates/dap/src/adapters.rs
+++ b/crates/dap/src/adapters.rs
@@ -74,6 +74,12 @@ impl Borrow<str> for DebugAdapterName {
     }
 }
 
+impl Borrow<SharedString> for DebugAdapterName {
+    fn borrow(&self) -> &SharedString {
+        &self.0
+    }
+}
+
 impl std::fmt::Display for DebugAdapterName {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(&self.0, f)
@@ -279,7 +285,7 @@ pub async fn download_adapter_from_github(
     }
 
     if !adapter_path.exists() {
-        fs.create_dir(&adapter_path.as_path())
+        fs.create_dir(adapter_path.as_path())
             .await
             .context("Failed creating adapter path")?;
     }
diff --git a/crates/dap/src/client.rs b/crates/dap/src/client.rs
index 86a15b2d8a..2590bf5c8b 100644
--- a/crates/dap/src/client.rs
+++ b/crates/dap/src/client.rs
@@ -23,7 +23,7 @@ impl SessionId {
         Self(client_id as u32)
     }
 
-    pub fn to_proto(&self) -> u64 {
+    pub fn to_proto(self) -> u64 {
         self.0 as u64
     }
 }
@@ -295,7 +295,7 @@ mod tests {
                     request: dap_types::StartDebuggingRequestArgumentsRequest::Launch,
                 },
             },
-            Box::new(|_| panic!("Did not expect to hit this code path")),
+            Box::new(|_| {}),
             &mut cx.to_async(),
         )
         .await
diff --git a/crates/dap/src/registry.rs b/crates/dap/src/registry.rs
index d56e2f8f34..212fa2bc23 100644
--- a/crates/dap/src/registry.rs
+++ b/crates/dap/src/registry.rs
@@ -87,7 +87,7 @@ impl DapRegistry {
         self.0.read().adapters.get(name).cloned()
     }
 
-    pub fn enumerate_adapters(&self) -> Vec<DebugAdapterName> {
+    pub fn enumerate_adapters<B: FromIterator<DebugAdapterName>>(&self) -> B {
         self.0.read().adapters.keys().cloned().collect()
     }
 }
diff --git a/crates/dap/src/transport.rs b/crates/dap/src/transport.rs
index 6dadf1cf35..f9fbbfc842 100644
--- a/crates/dap/src/transport.rs
+++ b/crates/dap/src/transport.rs
@@ -883,6 +883,7 @@ impl FakeTransport {
                                         break Err(anyhow!("exit in response to request"));
                                     }
                                 };
+                                let success = response.success;
                                 let message =
                                     serde_json::to_string(&Message::Response(response)).unwrap();
 
@@ -893,6 +894,25 @@ impl FakeTransport {
                                     )
                                     .await
                                     .unwrap();
+
+                                if request.command == dap_types::requests::Initialize::COMMAND
+                                    && success
+                                {
+                                    let message = serde_json::to_string(&Message::Event(Box::new(
+                                        dap_types::messages::Events::Initialized(Some(
+                                            Default::default(),
+                                        )),
+                                    )))
+                                    .unwrap();
+                                    writer
+                                        .write_all(
+                                            TransportDelegate::build_rpc_message(message)
+                                                .as_bytes(),
+                                        )
+                                        .await
+                                        .unwrap();
+                                }
+
                                 writer.flush().await.unwrap();
                             }
                         }
diff --git a/crates/dap_adapters/src/codelldb.rs b/crates/dap_adapters/src/codelldb.rs
index 5b88db4432..25dc875740 100644
--- a/crates/dap_adapters/src/codelldb.rs
+++ b/crates/dap_adapters/src/codelldb.rs
@@ -338,8 +338,8 @@ impl DebugAdapter for CodeLldbDebugAdapter {
         if command.is_none() {
             delegate.output_to_console(format!("Checking latest version of {}...", self.name()));
             let adapter_path = paths::debug_adapters_dir().join(&Self::ADAPTER_NAME);
-            let version_path =
-                if let Ok(version) = self.fetch_latest_adapter_version(delegate).await {
+            let version_path = match self.fetch_latest_adapter_version(delegate).await {
+                Ok(version) => {
                     adapters::download_adapter_from_github(
                         self.name(),
                         version.clone(),
@@ -351,10 +351,26 @@ impl DebugAdapter for CodeLldbDebugAdapter {
                         adapter_path.join(format!("{}_{}", Self::ADAPTER_NAME, version.tag_name));
                     remove_matching(&adapter_path, |entry| entry != version_path).await;
                     version_path
-                } else {
-                    let mut paths = delegate.fs().read_dir(&adapter_path).await?;
-                    paths.next().await.context("No adapter found")??
-                };
+                }
+                Err(e) => {
+                    delegate.output_to_console("Unable to fetch latest version".to_string());
+                    log::error!("Error fetching latest version of {}: {}", self.name(), e);
+                    delegate.output_to_console(format!(
+                        "Searching for adapters in: {}",
+                        adapter_path.display()
+                    ));
+                    let mut paths = delegate
+                        .fs()
+                        .read_dir(&adapter_path)
+                        .await
+                        .context("No cached adapter directory")?;
+                    paths
+                        .next()
+                        .await
+                        .context("No cached adapter found")?
+                        .context("No cached adapter found")?
+                }
+            };
             let adapter_dir = version_path.join("extension").join("adapter");
             let path = adapter_dir.join("codelldb").to_string_lossy().to_string();
             self.path_to_codelldb.set(path.clone()).ok();
@@ -369,7 +385,7 @@ impl DebugAdapter for CodeLldbDebugAdapter {
                     && let Some(source_languages) = config.get("sourceLanguages").filter(|value| {
                         value
                             .as_array()
-                            .map_or(false, |array| array.iter().all(Value::is_string))
+                            .is_some_and(|array| array.iter().all(Value::is_string))
                     })
                 {
                     let ret = vec![
diff --git a/crates/dap_adapters/src/go.rs b/crates/dap_adapters/src/go.rs
index 22d8262b93..db8a45ceb4 100644
--- a/crates/dap_adapters/src/go.rs
+++ b/crates/dap_adapters/src/go.rs
@@ -36,7 +36,7 @@ impl GoDebugAdapter {
         delegate: &Arc<dyn DapDelegate>,
     ) -> Result<AdapterVersion> {
         let release = latest_github_release(
-            &"zed-industries/delve-shim-dap",
+            "zed-industries/delve-shim-dap",
             true,
             false,
             delegate.http_client(),
diff --git a/crates/dap_adapters/src/javascript.rs b/crates/dap_adapters/src/javascript.rs
index 2d19921a0f..a8826d563b 100644
--- a/crates/dap_adapters/src/javascript.rs
+++ b/crates/dap_adapters/src/javascript.rs
@@ -99,10 +99,10 @@ impl JsDebugAdapter {
                 }
             }
 
-            if let Some(env) = configuration.get("env").cloned() {
-                if let Ok(env) = serde_json::from_value(env) {
-                    envs = env;
-                }
+            if let Some(env) = configuration.get("env").cloned()
+                && let Ok(env) = serde_json::from_value(env)
+            {
+                envs = env;
             }
 
             configuration
@@ -514,7 +514,7 @@ impl DebugAdapter for JsDebugAdapter {
             }
         }
 
-        self.get_installed_binary(delegate, &config, user_installed_path, user_args, cx)
+        self.get_installed_binary(delegate, config, user_installed_path, user_args, cx)
             .await
     }
 
diff --git a/crates/dap_adapters/src/python.rs b/crates/dap_adapters/src/python.rs
index aa64fea6ed..614cd0e05d 100644
--- a/crates/dap_adapters/src/python.rs
+++ b/crates/dap_adapters/src/python.rs
@@ -1,38 +1,37 @@
 use crate::*;
 use anyhow::Context as _;
 use dap::{DebugRequest, StartDebuggingRequestArguments, adapters::DebugTaskDefinition};
+use fs::RemoveOptions;
+use futures::{StreamExt, TryStreamExt};
+use gpui::http_client::AsyncBody;
 use gpui::{AsyncApp, SharedString};
 use json_dotpath::DotPaths;
 use language::LanguageName;
 use paths::debug_adapters_dir;
 use serde_json::Value;
+use smol::fs::File;
+use smol::io::AsyncReadExt;
 use smol::lock::OnceCell;
+use std::ffi::OsString;
 use std::net::Ipv4Addr;
+use std::str::FromStr;
 use std::{
     collections::HashMap,
     ffi::OsStr,
     path::{Path, PathBuf},
 };
+use util::{ResultExt, maybe};
 
 #[derive(Default)]
 pub(crate) struct PythonDebugAdapter {
-    python_venv_base: OnceCell<Result<Arc<Path>, String>>,
+    base_venv_path: OnceCell<Result<Arc<Path>, String>>,
+    debugpy_whl_base_path: OnceCell<Result<Arc<Path>, String>>,
 }
 
 impl PythonDebugAdapter {
     const ADAPTER_NAME: &'static str = "Debugpy";
     const DEBUG_ADAPTER_NAME: DebugAdapterName =
         DebugAdapterName(SharedString::new_static(Self::ADAPTER_NAME));
-    const PYTHON_ADAPTER_IN_VENV: &'static str = if cfg!(target_os = "windows") {
-        "Scripts/python3"
-    } else {
-        "bin/python3"
-    };
-    const ADAPTER_PATH: &'static str = if cfg!(target_os = "windows") {
-        "debugpy-venv/Scripts/debugpy-adapter"
-    } else {
-        "debugpy-venv/bin/debugpy-adapter"
-    };
 
     const LANGUAGE_NAME: &'static str = "Python";
 
@@ -41,7 +40,6 @@ impl PythonDebugAdapter {
         port: u16,
         user_installed_path: Option<&Path>,
         user_args: Option<Vec<String>>,
-        installed_in_venv: bool,
     ) -> Result<Vec<String>> {
         let mut args = if let Some(user_installed_path) = user_installed_path {
             log::debug!(
@@ -49,13 +47,11 @@ impl PythonDebugAdapter {
                 user_installed_path.display()
             );
             vec![user_installed_path.to_string_lossy().to_string()]
-        } else if installed_in_venv {
-            log::debug!("Using venv-installed debugpy");
-            vec!["-m".to_string(), "debugpy.adapter".to_string()]
         } else {
             let adapter_path = paths::debug_adapters_dir().join(Self::DEBUG_ADAPTER_NAME.as_ref());
             let path = adapter_path
-                .join(Self::ADAPTER_PATH)
+                .join("debugpy")
+                .join("adapter")
                 .to_string_lossy()
                 .into_owned();
             log::debug!("Using pip debugpy adapter from: {path}");
@@ -96,68 +92,185 @@ impl PythonDebugAdapter {
         })
     }
 
-    async fn ensure_venv(delegate: &dyn DapDelegate) -> Result<Arc<Path>> {
-        let python_path = Self::find_base_python(delegate)
+    async fn fetch_wheel(&self, delegate: &Arc<dyn DapDelegate>) -> Result<Arc<Path>, String> {
+        let download_dir = debug_adapters_dir().join(Self::ADAPTER_NAME).join("wheels");
+        std::fs::create_dir_all(&download_dir).map_err(|e| e.to_string())?;
+        let system_python = self.base_venv_path(delegate).await?;
+
+        let installation_succeeded = util::command::new_smol_command(system_python.as_ref())
+            .args([
+                "-m",
+                "pip",
+                "download",
+                "debugpy",
+                "--only-binary=:all:",
+                "-d",
+                download_dir.to_string_lossy().as_ref(),
+            ])
+            .output()
             .await
-            .context("Could not find Python installation for DebugPy")?;
-        let work_dir = debug_adapters_dir().join(Self::ADAPTER_NAME);
-        let mut path = work_dir.clone();
-        path.push("debugpy-venv");
-        if !path.exists() {
-            util::command::new_smol_command(python_path)
-                .arg("-m")
-                .arg("venv")
-                .arg("debugpy-venv")
-                .current_dir(work_dir)
-                .spawn()?
-                .output()
-                .await?;
+            .map_err(|e| format!("{e}"))?
+            .status
+            .success();
+        if !installation_succeeded {
+            return Err("debugpy installation failed (could not fetch Debugpy's wheel)".into());
         }
 
-        Ok(path.into())
+        let wheel_path = std::fs::read_dir(&download_dir)
+            .map_err(|e| e.to_string())?
+            .find_map(|entry| {
+                entry.ok().filter(|e| {
+                    e.file_type().is_ok_and(|typ| typ.is_file())
+                        && Path::new(&e.file_name()).extension() == Some("whl".as_ref())
+                })
+            })
+            .ok_or_else(|| String::from("Did not find a .whl in {download_dir}"))?;
+
+        util::archive::extract_zip(
+            &debug_adapters_dir().join(Self::ADAPTER_NAME),
+            File::open(&wheel_path.path())
+                .await
+                .map_err(|e| e.to_string())?,
+        )
+        .await
+        .map_err(|e| e.to_string())?;
+
+        Ok(Arc::from(wheel_path.path()))
     }
 
-    // Find "baseline", user python version from which we'll create our own venv.
-    async fn find_base_python(delegate: &dyn DapDelegate) -> Option<PathBuf> {
-        for path in ["python3", "python"] {
-            if let Some(path) = delegate.which(path.as_ref()).await {
-                return Some(path);
+    async fn maybe_fetch_new_wheel(&self, delegate: &Arc<dyn DapDelegate>) {
+        let latest_release = delegate
+            .http_client()
+            .get(
+                "https://pypi.org/pypi/debugpy/json",
+                AsyncBody::empty(),
+                false,
+            )
+            .await
+            .log_err();
+        maybe!(async move {
+            let response = latest_release.filter(|response| response.status().is_success())?;
+
+            let download_dir = debug_adapters_dir().join(Self::ADAPTER_NAME);
+            std::fs::create_dir_all(&download_dir).ok()?;
+
+            let mut output = String::new();
+            response
+                .into_body()
+                .read_to_string(&mut output)
+                .await
+                .ok()?;
+            let as_json = serde_json::Value::from_str(&output).ok()?;
+            let latest_version = as_json.get("info").and_then(|info| {
+                info.get("version")
+                    .and_then(|version| version.as_str())
+                    .map(ToOwned::to_owned)
+            })?;
+            let dist_info_dirname: OsString = format!("debugpy-{latest_version}.dist-info").into();
+            let is_up_to_date = delegate
+                .fs()
+                .read_dir(&debug_adapters_dir().join(Self::ADAPTER_NAME))
+                .await
+                .ok()?
+                .into_stream()
+                .any(async |entry| {
+                    entry.is_ok_and(|e| e.file_name().is_some_and(|name| name == dist_info_dirname))
+                })
+                .await;
+
+            if !is_up_to_date {
+                delegate
+                    .fs()
+                    .remove_dir(
+                        &debug_adapters_dir().join(Self::ADAPTER_NAME),
+                        RemoveOptions {
+                            recursive: true,
+                            ignore_if_not_exists: true,
+                        },
+                    )
+                    .await
+                    .ok()?;
+                self.fetch_wheel(delegate).await.ok()?;
             }
-        }
-        None
+            Some(())
+        })
+        .await;
     }
 
-    async fn base_venv(&self, delegate: &dyn DapDelegate) -> Result<Arc<Path>, String> {
-        const BINARY_DIR: &str = if cfg!(target_os = "windows") {
-            "Scripts"
-        } else {
-            "bin"
-        };
-        self.python_venv_base
-            .get_or_init(move || async move {
-                let venv_base = Self::ensure_venv(delegate)
-                    .await
-                    .map_err(|e| format!("{e}"))?;
-                let pip_path = venv_base.join(BINARY_DIR).join("pip3");
-                let installation_succeeded = util::command::new_smol_command(pip_path.as_path())
-                    .arg("install")
-                    .arg("debugpy")
-                    .arg("-U")
-                    .output()
-                    .await
-                    .map_err(|e| format!("{e}"))?
-                    .status
-                    .success();
-                if !installation_succeeded {
-                    return Err("debugpy installation failed".into());
-                }
-
-                Ok(venv_base)
+    async fn fetch_debugpy_whl(
+        &self,
+        delegate: &Arc<dyn DapDelegate>,
+    ) -> Result<Arc<Path>, String> {
+        self.debugpy_whl_base_path
+            .get_or_init(|| async move {
+                self.maybe_fetch_new_wheel(delegate).await;
+                Ok(Arc::from(
+                    debug_adapters_dir()
+                        .join(Self::ADAPTER_NAME)
+                        .join("debugpy")
+                        .join("adapter")
+                        .as_ref(),
+                ))
             })
             .await
             .clone()
     }
 
+    async fn base_venv_path(&self, delegate: &Arc<dyn DapDelegate>) -> Result<Arc<Path>, String> {
+        self.base_venv_path
+            .get_or_init(|| async {
+                let base_python = Self::system_python_name(delegate)
+                    .await
+                    .ok_or_else(|| String::from("Could not find a Python installation"))?;
+
+                let did_succeed = util::command::new_smol_command(base_python)
+                    .args(["-m", "venv", "zed_base_venv"])
+                    .current_dir(
+                        paths::debug_adapters_dir().join(Self::DEBUG_ADAPTER_NAME.as_ref()),
+                    )
+                    .spawn()
+                    .map_err(|e| format!("{e:#?}"))?
+                    .status()
+                    .await
+                    .map_err(|e| format!("{e:#?}"))?
+                    .success();
+                if !did_succeed {
+                    return Err("Failed to create base virtual environment".into());
+                }
+
+                const DIR: &str = if cfg!(target_os = "windows") {
+                    "Scripts"
+                } else {
+                    "bin"
+                };
+                Ok(Arc::from(
+                    paths::debug_adapters_dir()
+                        .join(Self::DEBUG_ADAPTER_NAME.as_ref())
+                        .join("zed_base_venv")
+                        .join(DIR)
+                        .join("python3")
+                        .as_ref(),
+                ))
+            })
+            .await
+            .clone()
+    }
+    async fn system_python_name(delegate: &Arc<dyn DapDelegate>) -> Option<String> {
+        const BINARY_NAMES: [&str; 3] = ["python3", "python", "py"];
+        let mut name = None;
+
+        for cmd in BINARY_NAMES {
+            name = delegate
+                .which(OsStr::new(cmd))
+                .await
+                .map(|path| path.to_string_lossy().to_string());
+            if name.is_some() {
+                break;
+            }
+        }
+        name
+    }
+
     async fn get_installed_binary(
         &self,
         delegate: &Arc<dyn DapDelegate>,
@@ -165,27 +278,14 @@ impl PythonDebugAdapter {
         user_installed_path: Option<PathBuf>,
         user_args: Option<Vec<String>>,
         python_from_toolchain: Option<String>,
-        installed_in_venv: bool,
     ) -> Result<DebugAdapterBinary> {
-        const BINARY_NAMES: [&str; 3] = ["python3", "python", "py"];
         let tcp_connection = config.tcp_connection.clone().unwrap_or_default();
         let (host, port, timeout) = crate::configure_tcp_connection(tcp_connection).await?;
 
         let python_path = if let Some(toolchain) = python_from_toolchain {
             Some(toolchain)
         } else {
-            let mut name = None;
-
-            for cmd in BINARY_NAMES {
-                name = delegate
-                    .which(OsStr::new(cmd))
-                    .await
-                    .map(|path| path.to_string_lossy().to_string());
-                if name.is_some() {
-                    break;
-                }
-            }
-            name
+            Self::system_python_name(delegate).await
         };
 
         let python_command = python_path.context("failed to find binary path for Python")?;
@@ -196,7 +296,6 @@ impl PythonDebugAdapter {
             port,
             user_installed_path.as_deref(),
             user_args,
-            installed_in_venv,
         )
         .await?;
 
@@ -618,63 +717,53 @@ impl DebugAdapter for PythonDebugAdapter {
                 local_path.display()
             );
             return self
-                .get_installed_binary(
-                    delegate,
-                    &config,
-                    Some(local_path.clone()),
-                    user_args,
-                    None,
-                    false,
-                )
+                .get_installed_binary(delegate, config, Some(local_path.clone()), user_args, None)
                 .await;
         }
 
+        let base_path = config
+            .config
+            .get("cwd")
+            .and_then(|cwd| {
+                cwd.as_str()
+                    .map(Path::new)?
+                    .strip_prefix(delegate.worktree_root_path())
+                    .ok()
+            })
+            .unwrap_or_else(|| "".as_ref())
+            .into();
         let toolchain = delegate
             .toolchain_store()
             .active_toolchain(
                 delegate.worktree_id(),
-                Arc::from("".as_ref()),
+                base_path,
                 language::LanguageName::new(Self::LANGUAGE_NAME),
                 cx,
             )
             .await;
 
-        if let Some(toolchain) = &toolchain {
-            if let Some(path) = Path::new(&toolchain.path.to_string()).parent() {
-                let debugpy_path = path.join("debugpy");
-                if delegate.fs().is_file(&debugpy_path).await {
-                    log::debug!(
-                        "Found debugpy in toolchain environment: {}",
-                        debugpy_path.display()
-                    );
-                    return self
-                        .get_installed_binary(
-                            delegate,
-                            &config,
-                            None,
-                            user_args,
-                            Some(toolchain.path.to_string()),
-                            true,
-                        )
-                        .await;
-                }
-            }
-        }
-        let toolchain = self
-            .base_venv(&**delegate)
+        let debugpy_path = self
+            .fetch_debugpy_whl(delegate)
             .await
-            .map_err(|e| anyhow::anyhow!(e))?
-            .join(Self::PYTHON_ADAPTER_IN_VENV);
+            .map_err(|e| anyhow::anyhow!("{e}"))?;
+        if let Some(toolchain) = &toolchain {
+            log::debug!(
+                "Found debugpy in toolchain environment: {}",
+                debugpy_path.display()
+            );
+            return self
+                .get_installed_binary(
+                    delegate,
+                    config,
+                    None,
+                    user_args,
+                    Some(toolchain.path.to_string()),
+                )
+                .await;
+        }
 
-        self.get_installed_binary(
-            delegate,
-            &config,
-            None,
-            user_args,
-            Some(toolchain.to_string_lossy().into_owned()),
-            false,
-        )
-        .await
+        self.get_installed_binary(delegate, config, None, user_args, None)
+            .await
     }
 
     fn label_for_child_session(&self, args: &StartDebuggingRequestArguments) -> Option<String> {
@@ -689,6 +778,8 @@ impl DebugAdapter for PythonDebugAdapter {
 
 #[cfg(test)]
 mod tests {
+    use util::path;
+
     use super::*;
     use std::{net::Ipv4Addr, path::PathBuf};
 
@@ -699,30 +790,24 @@ mod tests {
 
         // Case 1: User-defined debugpy path (highest precedence)
         let user_path = PathBuf::from("/custom/path/to/debugpy/src/debugpy/adapter");
-        let user_args = PythonDebugAdapter::generate_debugpy_arguments(
-            &host,
-            port,
-            Some(&user_path),
-            None,
-            false,
-        )
-        .await
-        .unwrap();
-
-        // Case 2: Venv-installed debugpy (uses -m debugpy.adapter)
-        let venv_args =
-            PythonDebugAdapter::generate_debugpy_arguments(&host, port, None, None, true)
+        let user_args =
+            PythonDebugAdapter::generate_debugpy_arguments(&host, port, Some(&user_path), None)
                 .await
                 .unwrap();
 
+        // Case 2: Venv-installed debugpy (uses -m debugpy.adapter)
+        let venv_args = PythonDebugAdapter::generate_debugpy_arguments(&host, port, None, None)
+            .await
+            .unwrap();
+
         assert_eq!(user_args[0], "/custom/path/to/debugpy/src/debugpy/adapter");
         assert_eq!(user_args[1], "--host=127.0.0.1");
         assert_eq!(user_args[2], "--port=5678");
 
-        assert_eq!(venv_args[0], "-m");
-        assert_eq!(venv_args[1], "debugpy.adapter");
-        assert_eq!(venv_args[2], "--host=127.0.0.1");
-        assert_eq!(venv_args[3], "--port=5678");
+        let expected_suffix = path!("debug_adapters/Debugpy/debugpy/adapter");
+        assert!(venv_args[0].ends_with(expected_suffix));
+        assert_eq!(venv_args[1], "--host=127.0.0.1");
+        assert_eq!(venv_args[2], "--port=5678");
 
         // The same cases, with arguments overridden by the user
         let user_args = PythonDebugAdapter::generate_debugpy_arguments(
@@ -730,7 +815,6 @@ mod tests {
             port,
             Some(&user_path),
             Some(vec!["foo".into()]),
-            false,
         )
         .await
         .unwrap();
@@ -739,7 +823,6 @@ mod tests {
             port,
             None,
             Some(vec!["foo".into()]),
-            true,
         )
         .await
         .unwrap();
@@ -747,9 +830,8 @@ mod tests {
         assert!(user_args[0].ends_with("src/debugpy/adapter"));
         assert_eq!(user_args[1], "foo");
 
-        assert_eq!(venv_args[0], "-m");
-        assert_eq!(venv_args[1], "debugpy.adapter");
-        assert_eq!(venv_args[2], "foo");
+        assert!(venv_args[0].ends_with(expected_suffix));
+        assert_eq!(venv_args[1], "foo");
 
         // Note: Case 3 (GitHub-downloaded debugpy) is not tested since this requires mocking the Github API.
     }
diff --git a/crates/db/src/db.rs b/crates/db/src/db.rs
index de55212cba..0802bd8bb7 100644
--- a/crates/db/src/db.rs
+++ b/crates/db/src/db.rs
@@ -37,7 +37,7 @@ const FALLBACK_DB_NAME: &str = "FALLBACK_MEMORY_DB";
 const DB_FILE_NAME: &str = "db.sqlite";
 
 pub static ZED_STATELESS: LazyLock<bool> =
-    LazyLock::new(|| env::var("ZED_STATELESS").map_or(false, |v| !v.is_empty()));
+    LazyLock::new(|| env::var("ZED_STATELESS").is_ok_and(|v| !v.is_empty()));
 
 pub static ALL_FILE_DB_FAILED: LazyLock<AtomicBool> = LazyLock::new(|| AtomicBool::new(false));
 
@@ -74,7 +74,7 @@ pub async fn open_db<M: Migrator + 'static>(db_dir: &Path, scope: &str) -> Threa
 }
 
 async fn open_main_db<M: Migrator>(db_path: &Path) -> Option<ThreadSafeConnection> {
-    log::info!("Opening database {}", db_path.display());
+    log::trace!("Opening database {}", db_path.display());
     ThreadSafeConnection::builder::<M>(db_path.to_string_lossy().as_ref(), true)
         .with_db_initialization_query(DB_INITIALIZE_QUERY)
         .with_connection_initialize_query(CONNECTION_INITIALIZE_QUERY)
@@ -110,11 +110,14 @@ pub async fn open_test_db<M: Migrator>(db_name: &str) -> ThreadSafeConnection {
 }
 
 /// Implements a basic DB wrapper for a given domain
+///
+/// Arguments:
+/// - static variable name for connection
+/// - type of connection wrapper
+/// - dependencies, whose migrations should be run prior to this domain's migrations
 #[macro_export]
-macro_rules! define_connection {
-    (pub static ref $id:ident: $t:ident<()> = $migrations:expr; $($global:ident)?) => {
-        pub struct $t($crate::sqlez::thread_safe_connection::ThreadSafeConnection);
-
+macro_rules! static_connection {
+    ($id:ident, $t:ident, [ $($d:ty),* ] $(, $global:ident)?) => {
         impl ::std::ops::Deref for $t {
             type Target = $crate::sqlez::thread_safe_connection::ThreadSafeConnection;
 
@@ -123,16 +126,6 @@ macro_rules! define_connection {
             }
         }
 
-        impl $crate::sqlez::domain::Domain for $t {
-            fn name() -> &'static str {
-                stringify!($t)
-            }
-
-            fn migrations() -> &'static [&'static str] {
-                $migrations
-            }
-        }
-
         impl $t {
             #[cfg(any(test, feature = "test-support"))]
             pub async fn open_test_db(name: &'static str) -> Self {
@@ -142,7 +135,8 @@ macro_rules! define_connection {
 
         #[cfg(any(test, feature = "test-support"))]
         pub static $id: std::sync::LazyLock<$t> = std::sync::LazyLock::new(|| {
-            $t($crate::smol::block_on($crate::open_test_db::<$t>(stringify!($id))))
+            #[allow(unused_parens)]
+            $t($crate::smol::block_on($crate::open_test_db::<($($d,)* $t)>(stringify!($id))))
         });
 
         #[cfg(not(any(test, feature = "test-support")))]
@@ -153,46 +147,10 @@ macro_rules! define_connection {
             } else {
                 $crate::RELEASE_CHANNEL.dev_name()
             };
-            $t($crate::smol::block_on($crate::open_db::<$t>(db_dir, scope)))
+            #[allow(unused_parens)]
+            $t($crate::smol::block_on($crate::open_db::<($($d,)* $t)>(db_dir, scope)))
         });
-    };
-    (pub static ref $id:ident: $t:ident<$($d:ty),+> = $migrations:expr; $($global:ident)?) => {
-        pub struct $t($crate::sqlez::thread_safe_connection::ThreadSafeConnection);
-
-        impl ::std::ops::Deref for $t {
-            type Target = $crate::sqlez::thread_safe_connection::ThreadSafeConnection;
-
-            fn deref(&self) -> &Self::Target {
-                &self.0
-            }
-        }
-
-        impl $crate::sqlez::domain::Domain for $t {
-            fn name() -> &'static str {
-                stringify!($t)
-            }
-
-            fn migrations() -> &'static [&'static str] {
-                $migrations
-            }
-        }
-
-        #[cfg(any(test, feature = "test-support"))]
-        pub static $id: std::sync::LazyLock<$t> = std::sync::LazyLock::new(|| {
-            $t($crate::smol::block_on($crate::open_test_db::<($($d),+, $t)>(stringify!($id))))
-        });
-
-        #[cfg(not(any(test, feature = "test-support")))]
-        pub static $id: std::sync::LazyLock<$t> = std::sync::LazyLock::new(|| {
-            let db_dir = $crate::database_dir();
-            let scope = if false $(|| stringify!($global) == "global")? {
-                "global"
-            } else {
-                $crate::RELEASE_CHANNEL.dev_name()
-            };
-            $t($crate::smol::block_on($crate::open_db::<($($d),+, $t)>(db_dir, scope)))
-        });
-    };
+    }
 }
 
 pub fn write_and_log<F>(cx: &App, db_write: impl FnOnce() -> F + Send + 'static)
@@ -219,17 +177,12 @@ mod tests {
         enum BadDB {}
 
         impl Domain for BadDB {
-            fn name() -> &'static str {
-                "db_tests"
-            }
-
-            fn migrations() -> &'static [&'static str] {
-                &[
-                    sql!(CREATE TABLE test(value);),
-                    // failure because test already exists
-                    sql!(CREATE TABLE test(value);),
-                ]
-            }
+            const NAME: &str = "db_tests";
+            const MIGRATIONS: &[&str] = &[
+                sql!(CREATE TABLE test(value);),
+                // failure because test already exists
+                sql!(CREATE TABLE test(value);),
+            ];
         }
 
         let tempdir = tempfile::Builder::new()
@@ -238,7 +191,7 @@ mod tests {
             .unwrap();
         let _bad_db = open_db::<BadDB>(
             tempdir.path(),
-            &release_channel::ReleaseChannel::Dev.dev_name(),
+            release_channel::ReleaseChannel::Dev.dev_name(),
         )
         .await;
     }
@@ -251,25 +204,15 @@ mod tests {
         enum CorruptedDB {}
 
         impl Domain for CorruptedDB {
-            fn name() -> &'static str {
-                "db_tests"
-            }
-
-            fn migrations() -> &'static [&'static str] {
-                &[sql!(CREATE TABLE test(value);)]
-            }
+            const NAME: &str = "db_tests";
+            const MIGRATIONS: &[&str] = &[sql!(CREATE TABLE test(value);)];
         }
 
         enum GoodDB {}
 
         impl Domain for GoodDB {
-            fn name() -> &'static str {
-                "db_tests" //Notice same name
-            }
-
-            fn migrations() -> &'static [&'static str] {
-                &[sql!(CREATE TABLE test2(value);)] //But different migration
-            }
+            const NAME: &str = "db_tests"; //Notice same name
+            const MIGRATIONS: &[&str] = &[sql!(CREATE TABLE test2(value);)];
         }
 
         let tempdir = tempfile::Builder::new()
@@ -279,7 +222,7 @@ mod tests {
         {
             let corrupt_db = open_db::<CorruptedDB>(
                 tempdir.path(),
-                &release_channel::ReleaseChannel::Dev.dev_name(),
+                release_channel::ReleaseChannel::Dev.dev_name(),
             )
             .await;
             assert!(corrupt_db.persistent());
@@ -287,7 +230,7 @@ mod tests {
 
         let good_db = open_db::<GoodDB>(
             tempdir.path(),
-            &release_channel::ReleaseChannel::Dev.dev_name(),
+            release_channel::ReleaseChannel::Dev.dev_name(),
         )
         .await;
         assert!(
@@ -305,25 +248,16 @@ mod tests {
         enum CorruptedDB {}
 
         impl Domain for CorruptedDB {
-            fn name() -> &'static str {
-                "db_tests"
-            }
+            const NAME: &str = "db_tests";
 
-            fn migrations() -> &'static [&'static str] {
-                &[sql!(CREATE TABLE test(value);)]
-            }
+            const MIGRATIONS: &[&str] = &[sql!(CREATE TABLE test(value);)];
         }
 
         enum GoodDB {}
 
         impl Domain for GoodDB {
-            fn name() -> &'static str {
-                "db_tests" //Notice same name
-            }
-
-            fn migrations() -> &'static [&'static str] {
-                &[sql!(CREATE TABLE test2(value);)] //But different migration
-            }
+            const NAME: &str = "db_tests"; //Notice same name
+            const MIGRATIONS: &[&str] = &[sql!(CREATE TABLE test2(value);)]; // But different migration
         }
 
         let tempdir = tempfile::Builder::new()
@@ -334,7 +268,7 @@ mod tests {
             // Setup the bad database
             let corrupt_db = open_db::<CorruptedDB>(
                 tempdir.path(),
-                &release_channel::ReleaseChannel::Dev.dev_name(),
+                release_channel::ReleaseChannel::Dev.dev_name(),
             )
             .await;
             assert!(corrupt_db.persistent());
@@ -347,7 +281,7 @@ mod tests {
             let guard = thread::spawn(move || {
                 let good_db = smol::block_on(open_db::<GoodDB>(
                     tmp_path.as_path(),
-                    &release_channel::ReleaseChannel::Dev.dev_name(),
+                    release_channel::ReleaseChannel::Dev.dev_name(),
                 ));
                 assert!(
                     good_db.select_row::<usize>("SELECT * FROM test2").unwrap()()
diff --git a/crates/db/src/kvp.rs b/crates/db/src/kvp.rs
index daf0b136fd..8ea877b35b 100644
--- a/crates/db/src/kvp.rs
+++ b/crates/db/src/kvp.rs
@@ -2,16 +2,26 @@ use gpui::App;
 use sqlez_macros::sql;
 use util::ResultExt as _;
 
-use crate::{define_connection, query, write_and_log};
+use crate::{
+    query,
+    sqlez::{domain::Domain, thread_safe_connection::ThreadSafeConnection},
+    write_and_log,
+};
 
-define_connection!(pub static ref KEY_VALUE_STORE: KeyValueStore<()> =
-    &[sql!(
+pub struct KeyValueStore(crate::sqlez::thread_safe_connection::ThreadSafeConnection);
+
+impl Domain for KeyValueStore {
+    const NAME: &str = stringify!(KeyValueStore);
+
+    const MIGRATIONS: &[&str] = &[sql!(
         CREATE TABLE IF NOT EXISTS kv_store(
             key TEXT PRIMARY KEY,
             value TEXT NOT NULL
         ) STRICT;
     )];
-);
+}
+
+crate::static_connection!(KEY_VALUE_STORE, KeyValueStore, []);
 
 pub trait Dismissable {
     const KEY: &'static str;
@@ -20,7 +30,7 @@ pub trait Dismissable {
         KEY_VALUE_STORE
             .read_kvp(Self::KEY)
             .log_err()
-            .map_or(false, |s| s.is_some())
+            .is_some_and(|s| s.is_some())
     }
 
     fn set_dismissed(is_dismissed: bool, cx: &mut App) {
@@ -91,15 +101,19 @@ mod tests {
     }
 }
 
-define_connection!(pub static ref GLOBAL_KEY_VALUE_STORE: GlobalKeyValueStore<()> =
-    &[sql!(
+pub struct GlobalKeyValueStore(ThreadSafeConnection);
+
+impl Domain for GlobalKeyValueStore {
+    const NAME: &str = stringify!(GlobalKeyValueStore);
+    const MIGRATIONS: &[&str] = &[sql!(
         CREATE TABLE IF NOT EXISTS kv_store(
             key TEXT PRIMARY KEY,
             value TEXT NOT NULL
         ) STRICT;
     )];
-    global
-);
+}
+
+crate::static_connection!(GLOBAL_KEY_VALUE_STORE, GlobalKeyValueStore, [], global);
 
 impl GlobalKeyValueStore {
     query! {
diff --git a/crates/debugger_tools/src/dap_log.rs b/crates/debugger_tools/src/dap_log.rs
index b806381d25..c4338c6d00 100644
--- a/crates/debugger_tools/src/dap_log.rs
+++ b/crates/debugger_tools/src/dap_log.rs
@@ -392,7 +392,7 @@ impl LogStore {
                         session.label(),
                         session
                             .adapter_client()
-                            .map_or(false, |client| client.has_adapter_logs()),
+                            .is_some_and(|client| client.has_adapter_logs()),
                     )
                 });
 
@@ -485,7 +485,7 @@ impl LogStore {
         &mut self,
         id: &LogStoreEntryIdentifier<'_>,
     ) -> Option<&Vec<SharedString>> {
-        self.get_debug_adapter_state(&id)
+        self.get_debug_adapter_state(id)
             .map(|state| &state.rpc_messages.initialization_sequence)
     }
 }
@@ -536,11 +536,11 @@ impl Render for DapLogToolbarItemView {
                     })
                     .unwrap_or_else(|| "No adapter selected".into()),
             ))
-            .menu(move |mut window, cx| {
+            .menu(move |window, cx| {
                 let log_view = log_view.clone();
                 let menu_rows = menu_rows.clone();
                 let project = project.clone();
-                ContextMenu::build(&mut window, cx, move |mut menu, window, _cx| {
+                ContextMenu::build(window, cx, move |mut menu, window, _cx| {
                     for row in menu_rows.into_iter() {
                         menu = menu.custom_row(move |_window, _cx| {
                             div()
@@ -661,11 +661,11 @@ impl ToolbarItemView for DapLogToolbarItemView {
         _window: &mut Window,
         cx: &mut Context<Self>,
     ) -> workspace::ToolbarItemLocation {
-        if let Some(item) = active_pane_item {
-            if let Some(log_view) = item.downcast::<DapLogView>() {
-                self.log_view = Some(log_view.clone());
-                return workspace::ToolbarItemLocation::PrimaryLeft;
-            }
+        if let Some(item) = active_pane_item
+            && let Some(log_view) = item.downcast::<DapLogView>()
+        {
+            self.log_view = Some(log_view);
+            return workspace::ToolbarItemLocation::PrimaryLeft;
         }
         self.log_view = None;
 
@@ -1131,7 +1131,7 @@ impl LogStore {
         project: &WeakEntity<Project>,
         session_id: SessionId,
     ) -> Vec<SharedString> {
-        self.projects.get(&project).map_or(vec![], |state| {
+        self.projects.get(project).map_or(vec![], |state| {
             state
                 .debug_sessions
                 .get(&session_id)
diff --git a/crates/debugger_ui/src/debugger_panel.rs b/crates/debugger_ui/src/debugger_panel.rs
index d81c593484..f81c1fff89 100644
--- a/crates/debugger_ui/src/debugger_panel.rs
+++ b/crates/debugger_ui/src/debugger_panel.rs
@@ -36,7 +36,7 @@ use settings::Settings;
 use std::sync::{Arc, LazyLock};
 use task::{DebugScenario, TaskContext};
 use tree_sitter::{Query, StreamingIterator as _};
-use ui::{ContextMenu, Divider, PopoverMenuHandle, Tooltip, prelude::*};
+use ui::{ContextMenu, Divider, PopoverMenuHandle, Tab, Tooltip, prelude::*};
 use util::{ResultExt, debug_panic, maybe};
 use workspace::SplitDirection;
 use workspace::item::SaveOptions;
@@ -257,7 +257,7 @@ impl DebugPanel {
                                         .as_ref()
                                         .map(|entity| entity.downgrade()),
                                     task_context: task_context.clone(),
-                                    worktree_id: worktree_id,
+                                    worktree_id,
                                 });
                             };
                             running.resolve_scenario(
@@ -300,7 +300,7 @@ impl DebugPanel {
         });
 
         session.update(cx, |session, _| match &mut session.mode {
-            SessionState::Building(state_task) => {
+            SessionState::Booting(state_task) => {
                 *state_task = Some(boot_task);
             }
             SessionState::Running(_) => {
@@ -386,10 +386,10 @@ impl DebugPanel {
             return;
         };
 
-        let dap_store_handle = self.project.read(cx).dap_store().clone();
+        let dap_store_handle = self.project.read(cx).dap_store();
         let label = curr_session.read(cx).label();
         let quirks = curr_session.read(cx).quirks();
-        let adapter = curr_session.read(cx).adapter().clone();
+        let adapter = curr_session.read(cx).adapter();
         let binary = curr_session.read(cx).binary().cloned().unwrap();
         let task_context = curr_session.read(cx).task_context().clone();
 
@@ -447,9 +447,9 @@ impl DebugPanel {
             return;
         };
 
-        let dap_store_handle = self.project.read(cx).dap_store().clone();
+        let dap_store_handle = self.project.read(cx).dap_store();
         let label = self.label_for_child_session(&parent_session, request, cx);
-        let adapter = parent_session.read(cx).adapter().clone();
+        let adapter = parent_session.read(cx).adapter();
         let quirks = parent_session.read(cx).quirks();
         let Some(mut binary) = parent_session.read(cx).binary().cloned() else {
             log::error!("Attempted to start a child-session without a binary");
@@ -530,10 +530,9 @@ impl DebugPanel {
                     .active_session
                     .as_ref()
                     .map(|session| session.entity_id())
+                    && active_session_id == entity_id
                 {
-                    if active_session_id == entity_id {
-                        this.active_session = this.sessions_with_children.keys().next().cloned();
-                    }
+                    this.active_session = this.sessions_with_children.keys().next().cloned();
                 }
                 cx.notify()
             })
@@ -642,14 +641,16 @@ impl DebugPanel {
                     }
                 })
         };
+
         let documentation_button = || {
             IconButton::new("debug-open-documentation", IconName::CircleHelp)
                 .icon_size(IconSize::Small)
                 .on_click(move |_, _, cx| cx.open_url("https://zed.dev/docs/debugger"))
                 .tooltip(Tooltip::text("Open Documentation"))
         };
+
         let logs_button = || {
-            IconButton::new("debug-open-logs", IconName::ScrollText)
+            IconButton::new("debug-open-logs", IconName::Notepad)
                 .icon_size(IconSize::Small)
                 .on_click(move |_, window, cx| {
                     window.dispatch_action(debugger_tools::OpenDebugAdapterLogs.boxed_clone(), cx)
@@ -658,16 +659,18 @@ impl DebugPanel {
         };
 
         Some(
-            div.border_b_1()
-                .border_color(cx.theme().colors().border)
-                .p_1()
+            div.w_full()
+                .py_1()
+                .px_1p5()
                 .justify_between()
-                .w_full()
+                .border_b_1()
+                .border_color(cx.theme().colors().border)
                 .when(is_side, |this| this.gap_1())
                 .child(
                     h_flex()
+                        .justify_between()
                         .child(
-                            h_flex().gap_2().w_full().when_some(
+                            h_flex().gap_1().w_full().when_some(
                                 active_session
                                     .as_ref()
                                     .map(|session| session.read(cx).running_state()),
@@ -679,6 +682,7 @@ impl DebugPanel {
                                     let capabilities = running_state.read(cx).capabilities(cx);
                                     let supports_detach =
                                         running_state.read(cx).session().read(cx).is_attached();
+
                                     this.map(|this| {
                                         if thread_status == ThreadStatus::Running {
                                             this.child(
@@ -686,10 +690,9 @@ impl DebugPanel {
                                                     "debug-pause",
                                                     IconName::DebugPause,
                                                 )
-                                                .icon_size(IconSize::XSmall)
-                                                .shape(ui::IconButtonShape::Square)
+                                                .icon_size(IconSize::Small)
                                                 .on_click(window.listener_for(
-                                                    &running_state,
+                                                    running_state,
                                                     |this, _, _window, cx| {
                                                         this.pause_thread(cx);
                                                     },
@@ -698,7 +701,7 @@ impl DebugPanel {
                                                     let focus_handle = focus_handle.clone();
                                                     move |window, cx| {
                                                         Tooltip::for_action_in(
-                                                            "Pause program",
+                                                            "Pause Program",
                                                             &Pause,
                                                             &focus_handle,
                                                             window,
@@ -713,10 +716,9 @@ impl DebugPanel {
                                                     "debug-continue",
                                                     IconName::DebugContinue,
                                                 )
-                                                .icon_size(IconSize::XSmall)
-                                                .shape(ui::IconButtonShape::Square)
+                                                .icon_size(IconSize::Small)
                                                 .on_click(window.listener_for(
-                                                    &running_state,
+                                                    running_state,
                                                     |this, _, _window, cx| this.continue_thread(cx),
                                                 ))
                                                 .disabled(thread_status != ThreadStatus::Stopped)
@@ -724,7 +726,7 @@ impl DebugPanel {
                                                     let focus_handle = focus_handle.clone();
                                                     move |window, cx| {
                                                         Tooltip::for_action_in(
-                                                            "Continue program",
+                                                            "Continue Program",
                                                             &Continue,
                                                             &focus_handle,
                                                             window,
@@ -737,10 +739,9 @@ impl DebugPanel {
                                     })
                                     .child(
                                         IconButton::new("debug-step-over", IconName::ArrowRight)
-                                            .icon_size(IconSize::XSmall)
-                                            .shape(ui::IconButtonShape::Square)
+                                            .icon_size(IconSize::Small)
                                             .on_click(window.listener_for(
-                                                &running_state,
+                                                running_state,
                                                 |this, _, _window, cx| {
                                                     this.step_over(cx);
                                                 },
@@ -750,7 +751,7 @@ impl DebugPanel {
                                                 let focus_handle = focus_handle.clone();
                                                 move |window, cx| {
                                                     Tooltip::for_action_in(
-                                                        "Step over",
+                                                        "Step Over",
                                                         &StepOver,
                                                         &focus_handle,
                                                         window,
@@ -764,10 +765,9 @@ impl DebugPanel {
                                             "debug-step-into",
                                             IconName::ArrowDownRight,
                                         )
-                                        .icon_size(IconSize::XSmall)
-                                        .shape(ui::IconButtonShape::Square)
+                                        .icon_size(IconSize::Small)
                                         .on_click(window.listener_for(
-                                            &running_state,
+                                            running_state,
                                             |this, _, _window, cx| {
                                                 this.step_in(cx);
                                             },
@@ -777,7 +777,7 @@ impl DebugPanel {
                                             let focus_handle = focus_handle.clone();
                                             move |window, cx| {
                                                 Tooltip::for_action_in(
-                                                    "Step in",
+                                                    "Step In",
                                                     &StepInto,
                                                     &focus_handle,
                                                     window,
@@ -788,10 +788,9 @@ impl DebugPanel {
                                     )
                                     .child(
                                         IconButton::new("debug-step-out", IconName::ArrowUpRight)
-                                            .icon_size(IconSize::XSmall)
-                                            .shape(ui::IconButtonShape::Square)
+                                            .icon_size(IconSize::Small)
                                             .on_click(window.listener_for(
-                                                &running_state,
+                                                running_state,
                                                 |this, _, _window, cx| {
                                                     this.step_out(cx);
                                                 },
@@ -801,7 +800,7 @@ impl DebugPanel {
                                                 let focus_handle = focus_handle.clone();
                                                 move |window, cx| {
                                                     Tooltip::for_action_in(
-                                                        "Step out",
+                                                        "Step Out",
                                                         &StepOut,
                                                         &focus_handle,
                                                         window,
@@ -812,10 +811,10 @@ impl DebugPanel {
                                     )
                                     .child(Divider::vertical())
                                     .child(
-                                        IconButton::new("debug-restart", IconName::DebugRestart)
-                                            .icon_size(IconSize::XSmall)
+                                        IconButton::new("debug-restart", IconName::RotateCcw)
+                                            .icon_size(IconSize::Small)
                                             .on_click(window.listener_for(
-                                                &running_state,
+                                                running_state,
                                                 |this, _, window, cx| {
                                                     this.rerun_session(window, cx);
                                                 },
@@ -835,9 +834,9 @@ impl DebugPanel {
                                     )
                                     .child(
                                         IconButton::new("debug-stop", IconName::Power)
-                                            .icon_size(IconSize::XSmall)
+                                            .icon_size(IconSize::Small)
                                             .on_click(window.listener_for(
-                                                &running_state,
+                                                running_state,
                                                 |this, _, _window, cx| {
                                                     if this.session().read(cx).is_building() {
                                                         this.session().update(cx, |session, cx| {
@@ -890,9 +889,9 @@ impl DebugPanel {
                                                     thread_status != ThreadStatus::Stopped
                                                         && thread_status != ThreadStatus::Running,
                                                 )
-                                                .icon_size(IconSize::XSmall)
+                                                .icon_size(IconSize::Small)
                                                 .on_click(window.listener_for(
-                                                    &running_state,
+                                                    running_state,
                                                     |this, _, _, cx| {
                                                         this.detach_client(cx);
                                                     },
@@ -915,7 +914,6 @@ impl DebugPanel {
                                 },
                             ),
                         )
-                        .justify_around()
                         .when(is_side, |this| {
                             this.child(new_session_button())
                                 .child(logs_button())
@@ -924,7 +922,7 @@ impl DebugPanel {
                 )
                 .child(
                     h_flex()
-                        .gap_2()
+                        .gap_0p5()
                         .when(is_side, |this| this.justify_between())
                         .child(
                             h_flex().when_some(
@@ -934,7 +932,6 @@ impl DebugPanel {
                                     .cloned(),
                                 |this, running_state| {
                                     this.children({
-                                        let running_state = running_state.clone();
                                         let threads =
                                             running_state.update(cx, |running_state, cx| {
                                                 let session = running_state.session();
@@ -954,12 +951,15 @@ impl DebugPanel {
                                             )
                                         })
                                     })
-                                    .when(!is_side, |this| this.gap_2().child(Divider::vertical()))
+                                    .when(!is_side, |this| {
+                                        this.gap_0p5().child(Divider::vertical())
+                                    })
                                 },
                             ),
                         )
                         .child(
                             h_flex()
+                                .gap_0p5()
                                 .children(self.render_session_menu(
                                     self.active_session(),
                                     self.running_state(cx),
@@ -1158,7 +1158,7 @@ impl DebugPanel {
                         workspace
                             .project()
                             .read(cx)
-                            .project_path_for_absolute_path(&path, cx)
+                            .project_path_for_absolute_path(path, cx)
                             .context(
                                 "Couldn't get project path for .zed/debug.json in active worktree",
                             )
@@ -1300,10 +1300,10 @@ impl DebugPanel {
         cx: &mut Context<'_, Self>,
     ) -> Option<SharedString> {
         let adapter = parent_session.read(cx).adapter();
-        if let Some(adapter) = DapRegistry::global(cx).adapter(&adapter) {
-            if let Some(label) = adapter.label_for_child_session(request) {
-                return Some(label.into());
-            }
+        if let Some(adapter) = DapRegistry::global(cx).adapter(&adapter)
+            && let Some(label) = adapter.label_for_child_session(request)
+        {
+            return Some(label.into());
         }
         None
     }
@@ -1644,7 +1644,6 @@ impl Render for DebugPanel {
                 }
             })
             .on_action({
-                let this = this.clone();
                 move |_: &ToggleSessionPicker, window, cx| {
                     this.update(cx, |this, cx| {
                         this.toggle_session_picker(window, cx);
@@ -1702,6 +1701,7 @@ impl Render for DebugPanel {
                     this.child(active_session)
                 } else {
                     let docked_to_bottom = self.position(window, cx) == DockPosition::Bottom;
+
                     let welcome_experience = v_flex()
                         .when_else(
                             docked_to_bottom,
@@ -1767,54 +1767,58 @@ impl Render for DebugPanel {
                                 );
                             }),
                         );
-                    let breakpoint_list =
-                        v_flex()
-                            .group("base-breakpoint-list")
-                            .items_start()
-                            .when_else(
-                                docked_to_bottom,
-                                |this| this.min_w_1_3().h_full(),
-                                |this| this.w_full().h_2_3(),
-                            )
-                            .p_1()
-                            .child(
-                                h_flex()
-                                    .pl_1()
-                                    .w_full()
-                                    .justify_between()
-                                    .child(Label::new("Breakpoints").size(LabelSize::Small))
-                                    .child(h_flex().visible_on_hover("base-breakpoint-list").child(
+
+                    let breakpoint_list = v_flex()
+                        .group("base-breakpoint-list")
+                        .when_else(
+                            docked_to_bottom,
+                            |this| this.min_w_1_3().h_full(),
+                            |this| this.size_full().h_2_3(),
+                        )
+                        .child(
+                            h_flex()
+                                .track_focus(&self.breakpoint_list.focus_handle(cx))
+                                .h(Tab::container_height(cx))
+                                .p_1p5()
+                                .w_full()
+                                .justify_between()
+                                .border_b_1()
+                                .border_color(cx.theme().colors().border_variant)
+                                .child(Label::new("Breakpoints").size(LabelSize::Small))
+                                .child(
+                                    h_flex().visible_on_hover("base-breakpoint-list").child(
                                         self.breakpoint_list.read(cx).render_control_strip(),
-                                    ))
-                                    .track_focus(&self.breakpoint_list.focus_handle(cx)),
-                            )
-                            .child(Divider::horizontal())
-                            .child(self.breakpoint_list.clone());
+                                    ),
+                                ),
+                        )
+                        .child(self.breakpoint_list.clone());
+
                     this.child(
                         v_flex()
-                            .h_full()
+                            .size_full()
                             .gap_1()
                             .items_center()
                             .justify_center()
-                            .child(
-                                div()
-                                    .when_else(docked_to_bottom, Div::h_flex, Div::v_flex)
-                                    .size_full()
-                                    .map(|this| {
-                                        if docked_to_bottom {
-                                            this.items_start()
-                                                .child(breakpoint_list)
-                                                .child(Divider::vertical())
-                                                .child(welcome_experience)
-                                                .child(Divider::vertical())
-                                        } else {
-                                            this.items_end()
-                                                .child(welcome_experience)
-                                                .child(Divider::horizontal())
-                                                .child(breakpoint_list)
-                                        }
-                                    }),
-                            ),
+                            .map(|this| {
+                                if docked_to_bottom {
+                                    this.child(
+                                        h_flex()
+                                            .size_full()
+                                            .child(breakpoint_list)
+                                            .child(Divider::vertical())
+                                            .child(welcome_experience)
+                                            .child(Divider::vertical()),
+                                    )
+                                } else {
+                                    this.child(
+                                        v_flex()
+                                            .size_full()
+                                            .child(welcome_experience)
+                                            .child(Divider::horizontal())
+                                            .child(breakpoint_list),
+                                    )
+                                }
+                            }),
                     )
                 }
             })
diff --git a/crates/debugger_ui/src/debugger_ui.rs b/crates/debugger_ui/src/debugger_ui.rs
index 9eac59af83..581cc16ff4 100644
--- a/crates/debugger_ui/src/debugger_ui.rs
+++ b/crates/debugger_ui/src/debugger_ui.rs
@@ -272,7 +272,6 @@ pub fn init(cx: &mut App) {
                     }
                 })
                 .on_action({
-                    let active_item = active_item.clone();
                     move |_: &ToggleIgnoreBreakpoints, _, cx| {
                         active_item
                             .update(cx, |item, cx| item.toggle_ignore_breakpoints(cx))
@@ -293,65 +292,81 @@ pub fn init(cx: &mut App) {
                     let Some(debug_panel) = workspace.read(cx).panel::<DebugPanel>(cx) else {
                         return;
                     };
-                    let Some(active_session) = debug_panel
-                        .clone()
-                        .update(cx, |panel, _| panel.active_session())
+                    let Some(active_session) =
+                        debug_panel.update(cx, |panel, _| panel.active_session())
                     else {
                         return;
                     };
+
+                    let session = active_session
+                        .read(cx)
+                        .running_state
+                        .read(cx)
+                        .session()
+                        .read(cx);
+
+                    if session.is_terminated() {
+                        return;
+                    }
+
                     let editor = cx.entity().downgrade();
-                    window.on_action(TypeId::of::<editor::actions::RunToCursor>(), {
-                        let editor = editor.clone();
-                        let active_session = active_session.clone();
-                        move |_, phase, _, cx| {
-                            if phase != DispatchPhase::Bubble {
-                                return;
-                            }
-                            maybe!({
-                                let (buffer, position, _) = editor
-                                    .update(cx, |editor, cx| {
-                                        let cursor_point: language::Point =
-                                            editor.selections.newest(cx).head();
 
-                                        editor
-                                            .buffer()
-                                            .read(cx)
-                                            .point_to_buffer_point(cursor_point, cx)
-                                    })
-                                    .ok()??;
+                    window.on_action_when(
+                        session.any_stopped_thread(),
+                        TypeId::of::<editor::actions::RunToCursor>(),
+                        {
+                            let editor = editor.clone();
+                            let active_session = active_session.clone();
+                            move |_, phase, _, cx| {
+                                if phase != DispatchPhase::Bubble {
+                                    return;
+                                }
+                                maybe!({
+                                    let (buffer, position, _) = editor
+                                        .update(cx, |editor, cx| {
+                                            let cursor_point: language::Point =
+                                                editor.selections.newest(cx).head();
 
-                                let path =
+                                            editor
+                                                .buffer()
+                                                .read(cx)
+                                                .point_to_buffer_point(cursor_point, cx)
+                                        })
+                                        .ok()??;
+
+                                    let path =
                                 debugger::breakpoint_store::BreakpointStore::abs_path_from_buffer(
                                     &buffer, cx,
                                 )?;
 
-                                let source_breakpoint = SourceBreakpoint {
-                                    row: position.row,
-                                    path,
-                                    message: None,
-                                    condition: None,
-                                    hit_condition: None,
-                                    state: debugger::breakpoint_store::BreakpointState::Enabled,
-                                };
+                                    let source_breakpoint = SourceBreakpoint {
+                                        row: position.row,
+                                        path,
+                                        message: None,
+                                        condition: None,
+                                        hit_condition: None,
+                                        state: debugger::breakpoint_store::BreakpointState::Enabled,
+                                    };
 
-                                active_session.update(cx, |session, cx| {
-                                    session.running_state().update(cx, |state, cx| {
-                                        if let Some(thread_id) = state.selected_thread_id() {
-                                            state.session().update(cx, |session, cx| {
-                                                session.run_to_position(
-                                                    source_breakpoint,
-                                                    thread_id,
-                                                    cx,
-                                                );
-                                            })
-                                        }
+                                    active_session.update(cx, |session, cx| {
+                                        session.running_state().update(cx, |state, cx| {
+                                            if let Some(thread_id) = state.selected_thread_id() {
+                                                state.session().update(cx, |session, cx| {
+                                                    session.run_to_position(
+                                                        source_breakpoint,
+                                                        thread_id,
+                                                        cx,
+                                                    );
+                                                })
+                                            }
+                                        });
                                     });
-                                });
 
-                                Some(())
-                            });
-                        }
-                    });
+                                    Some(())
+                                });
+                            }
+                        },
+                    );
 
                     window.on_action(
                         TypeId::of::<editor::actions::EvaluateSelectedText>(),
diff --git a/crates/debugger_ui/src/dropdown_menus.rs b/crates/debugger_ui/src/dropdown_menus.rs
index dca15eb052..c5399f6f69 100644
--- a/crates/debugger_ui/src/dropdown_menus.rs
+++ b/crates/debugger_ui/src/dropdown_menus.rs
@@ -272,10 +272,9 @@ impl DebugPanel {
             .child(session_entry.label_element(self_depth, cx))
             .child(
                 IconButton::new("close-debug-session", IconName::Close)
-                    .visible_on_hover(id.clone())
+                    .visible_on_hover(id)
                     .icon_size(IconSize::Small)
                     .on_click({
-                        let weak = weak.clone();
                         move |_, window, cx| {
                             weak.update(cx, |panel, cx| {
                                 panel.close_session(session_entity_id, window, cx);
diff --git a/crates/debugger_ui/src/new_process_modal.rs b/crates/debugger_ui/src/new_process_modal.rs
index 42f77ab056..b30e3995ff 100644
--- a/crates/debugger_ui/src/new_process_modal.rs
+++ b/crates/debugger_ui/src/new_process_modal.rs
@@ -1,5 +1,5 @@
 use anyhow::{Context as _, bail};
-use collections::{FxHashMap, HashMap};
+use collections::{FxHashMap, HashMap, HashSet};
 use language::LanguageRegistry;
 use std::{
     borrow::Cow,
@@ -343,10 +343,10 @@ impl NewProcessModal {
             return;
         }
 
-        if let NewProcessMode::Launch = &self.mode {
-            if self.configure_mode.read(cx).save_to_debug_json.selected() {
-                self.save_debug_scenario(window, cx);
-            }
+        if let NewProcessMode::Launch = &self.mode
+            && self.configure_mode.read(cx).save_to_debug_json.selected()
+        {
+            self.save_debug_scenario(window, cx);
         }
 
         let Some(debugger) = self.debugger.clone() else {
@@ -413,7 +413,7 @@ impl NewProcessModal {
         let Some(adapter) = self.debugger.as_ref() else {
             return;
         };
-        let scenario = self.debug_scenario(&adapter, cx);
+        let scenario = self.debug_scenario(adapter, cx);
         cx.spawn_in(window, async move |this, cx| {
             let scenario = scenario.await.context("no scenario to save")?;
             let worktree_id = task_contexts
@@ -450,7 +450,7 @@ impl NewProcessModal {
             .and_then(|buffer| buffer.read(cx).language())
             .cloned();
 
-        let mut available_adapters = workspace
+        let mut available_adapters: Vec<_> = workspace
             .update(cx, |_, cx| DapRegistry::global(cx).enumerate_adapters())
             .unwrap_or_default();
         if let Some(language) = active_buffer_language {
@@ -659,12 +659,7 @@ impl Render for NewProcessModal {
                             this.mode = NewProcessMode::Attach;
 
                             if let Some(debugger) = this.debugger.as_ref() {
-                                Self::update_attach_picker(
-                                    &this.attach_mode,
-                                    &debugger,
-                                    window,
-                                    cx,
-                                );
+                                Self::update_attach_picker(&this.attach_mode, debugger, window, cx);
                             }
                             this.mode_focus_handle(cx).focus(window);
                             cx.notify();
@@ -790,7 +785,7 @@ impl RenderOnce for AttachMode {
         v_flex()
             .w_full()
             .track_focus(&self.attach_picker.focus_handle(cx))
-            .child(self.attach_picker.clone())
+            .child(self.attach_picker)
     }
 }
 
@@ -1015,15 +1010,13 @@ impl DebugDelegate {
         let language_names = languages.language_names();
         let language = dap_registry
             .adapter_language(&scenario.adapter)
-            .map(|language| TaskSourceKind::Language {
-                name: language.into(),
-            });
+            .map(|language| TaskSourceKind::Language { name: language.0 });
 
         let language = language.or_else(|| {
             scenario.label.split_whitespace().find_map(|word| {
                 language_names
                     .iter()
-                    .find(|name| name.eq_ignore_ascii_case(word))
+                    .find(|name| name.as_ref().eq_ignore_ascii_case(word))
                     .map(|name| TaskSourceKind::Language {
                         name: name.to_owned().into(),
                     })
@@ -1056,6 +1049,9 @@ impl DebugDelegate {
                 })
             })
         });
+
+        let valid_adapters: HashSet<_> = cx.global::<DapRegistry>().enumerate_adapters();
+
         cx.spawn(async move |this, cx| {
             let (recent, scenarios) = if let Some(task) = task {
                 task.await
@@ -1082,7 +1078,7 @@ impl DebugDelegate {
                     .into_iter()
                     .map(|(scenario, context)| {
                         let (kind, scenario) =
-                            Self::get_scenario_kind(&languages, &dap_registry, scenario);
+                            Self::get_scenario_kind(&languages, dap_registry, scenario);
                         (kind, scenario, Some(context))
                     })
                     .chain(
@@ -1096,9 +1092,10 @@ impl DebugDelegate {
                                 } => !(hide_vscode && dir.ends_with(".vscode")),
                                 _ => true,
                             })
+                            .filter(|(_, scenario)| valid_adapters.contains(&scenario.adapter))
                             .map(|(kind, scenario)| {
                                 let (language, scenario) =
-                                    Self::get_scenario_kind(&languages, &dap_registry, scenario);
+                                    Self::get_scenario_kind(&languages, dap_registry, scenario);
                                 (language.or(Some(kind)), scenario, None)
                             }),
                     )
diff --git a/crates/debugger_ui/src/onboarding_modal.rs b/crates/debugger_ui/src/onboarding_modal.rs
index c9fa009940..2a9f68d0c9 100644
--- a/crates/debugger_ui/src/onboarding_modal.rs
+++ b/crates/debugger_ui/src/onboarding_modal.rs
@@ -131,7 +131,7 @@ impl Render for DebuggerOnboardingModal {
                     .child(Headline::new("Zed's Debugger").size(HeadlineSize::Large)),
             )
             .child(h_flex().absolute().top_2().right_2().child(
-                IconButton::new("cancel", IconName::X).on_click(cx.listener(
+                IconButton::new("cancel", IconName::Close).on_click(cx.listener(
                     |_, _: &ClickEvent, _window, cx| {
                         debugger_onboarding_event!("Cancelled", trigger = "X click");
                         cx.emit(DismissEvent);
diff --git a/crates/debugger_ui/src/persistence.rs b/crates/debugger_ui/src/persistence.rs
index 3a0ad7a40e..cff2ba8335 100644
--- a/crates/debugger_ui/src/persistence.rs
+++ b/crates/debugger_ui/src/persistence.rs
@@ -256,7 +256,7 @@ pub(crate) fn deserialize_pane_layout(
             Some(Member::Axis(PaneAxis::load(
                 if should_invert { axis.invert() } else { axis },
                 members,
-                flexes.clone(),
+                flexes,
             )))
         }
         SerializedPaneLayout::Pane(serialized_pane) => {
@@ -341,7 +341,7 @@ impl SerializedPaneLayout {
     pub(crate) fn in_order(&self) -> Vec<SerializedPaneLayout> {
         let mut panes = vec![];
 
-        Self::inner_in_order(&self, &mut panes);
+        Self::inner_in_order(self, &mut panes);
         panes
     }
 
diff --git a/crates/debugger_ui/src/session.rs b/crates/debugger_ui/src/session.rs
index 73cfef78cc..0fc003a14d 100644
--- a/crates/debugger_ui/src/session.rs
+++ b/crates/debugger_ui/src/session.rs
@@ -87,7 +87,7 @@ impl DebugSession {
         self.stack_trace_view.get_or_init(|| {
             let stackframe_list = running_state.read(cx).stack_frame_list().clone();
 
-            let stack_frame_view = cx.new(|cx| {
+            cx.new(|cx| {
                 StackTraceView::new(
                     workspace.clone(),
                     project.clone(),
@@ -95,9 +95,7 @@ impl DebugSession {
                     window,
                     cx,
                 )
-            });
-
-            stack_frame_view
+            })
         })
     }
 
diff --git a/crates/debugger_ui/src/session/running.rs b/crates/debugger_ui/src/session/running.rs
index 2651a94520..9991395f35 100644
--- a/crates/debugger_ui/src/session/running.rs
+++ b/crates/debugger_ui/src/session/running.rs
@@ -48,10 +48,8 @@ use task::{
 };
 use terminal_view::TerminalView;
 use ui::{
-    ActiveTheme, AnyElement, App, ButtonCommon as _, Clickable as _, Context, FluentBuilder,
-    IconButton, IconName, IconSize, InteractiveElement, IntoElement, Label, LabelCommon as _,
-    ParentElement, Render, SharedString, StatefulInteractiveElement, Styled, Tab, Tooltip,
-    VisibleOnHover, VisualContext, Window, div, h_flex, v_flex,
+    FluentBuilder, IntoElement, Render, StatefulInteractiveElement, Tab, Tooltip, VisibleOnHover,
+    VisualContext, prelude::*,
 };
 use util::ResultExt;
 use variable_list::VariableList;
@@ -104,7 +102,7 @@ impl Render for RunningState {
             .find(|pane| pane.read(cx).is_zoomed());
 
         let active = self.panes.panes().into_iter().next();
-        let pane = if let Some(ref zoomed_pane) = zoomed_pane {
+        let pane = if let Some(zoomed_pane) = zoomed_pane {
             zoomed_pane.update(cx, |pane, cx| pane.render(window, cx).into_any_element())
         } else if let Some(active) = active {
             self.panes
@@ -182,7 +180,7 @@ impl SubView {
         let weak_list = list.downgrade();
         let focus_handle = list.focus_handle(cx);
         let this = Self::new(
-            focus_handle.clone(),
+            focus_handle,
             list.into(),
             DebuggerPaneItem::BreakpointList,
             cx,
@@ -293,7 +291,7 @@ pub(crate) fn new_debugger_pane(
             let Some(project) = project.upgrade() else {
                 return ControlFlow::Break(());
             };
-            let this_pane = cx.entity().clone();
+            let this_pane = cx.entity();
             let item = if tab.pane == this_pane {
                 pane.item_for_index(tab.ix)
             } else {
@@ -360,7 +358,7 @@ pub(crate) fn new_debugger_pane(
         }
     };
 
-    let ret = cx.new(move |cx| {
+    cx.new(move |cx| {
         let mut pane = Pane::new(
             workspace.clone(),
             project.clone(),
@@ -416,19 +414,19 @@ pub(crate) fn new_debugger_pane(
                     .and_then(|item| item.downcast::<SubView>());
                 let is_hovered = as_subview
                     .as_ref()
-                    .map_or(false, |item| item.read(cx).hovered);
+                    .is_some_and(|item| item.read(cx).hovered);
 
                 h_flex()
-                    .group(pane_group_id.clone())
-                    .justify_between()
-                    .bg(cx.theme().colors().tab_bar_background)
-                    .border_b_1()
-                    .px_2()
-                    .border_color(cx.theme().colors().border)
                     .track_focus(&focus_handle)
+                    .group(pane_group_id.clone())
+                    .pl_1p5()
+                    .pr_1()
+                    .justify_between()
+                    .border_b_1()
+                    .border_color(cx.theme().colors().border)
+                    .bg(cx.theme().colors().tab_bar_background)
                     .on_action(|_: &menu::Cancel, window, cx| {
                         if cx.stop_active_drag(window) {
-                            return;
                         } else {
                             cx.propagate();
                         }
@@ -450,7 +448,7 @@ pub(crate) fn new_debugger_pane(
                             .children(pane.items().enumerate().map(|(ix, item)| {
                                 let selected = active_pane_item
                                     .as_ref()
-                                    .map_or(false, |active| active.item_id() == item.item_id());
+                                    .is_some_and(|active| active.item_id() == item.item_id());
                                 let deemphasized = !pane.has_focus(window, cx);
                                 let item_ = item.boxed_clone();
                                 div()
@@ -503,7 +501,7 @@ pub(crate) fn new_debugger_pane(
                                     .on_drag(
                                         DraggedTab {
                                             item: item.boxed_clone(),
-                                            pane: cx.entity().clone(),
+                                            pane: cx.entity(),
                                             detail: 0,
                                             is_active: selected,
                                             ix,
@@ -514,6 +512,7 @@ pub(crate) fn new_debugger_pane(
                     )
                     .child({
                         let zoomed = pane.is_zoomed();
+
                         h_flex()
                             .visible_on_hover(pane_group_id)
                             .when(is_hovered, |this| this.visible())
@@ -537,7 +536,7 @@ pub(crate) fn new_debugger_pane(
                                         IconName::Maximize
                                     },
                                 )
-                                .icon_size(IconSize::XSmall)
+                                .icon_size(IconSize::Small)
                                 .on_click(cx.listener(move |pane, _, _, cx| {
                                     let is_zoomed = pane.is_zoomed();
                                     pane.set_zoomed(!is_zoomed, cx);
@@ -563,9 +562,7 @@ pub(crate) fn new_debugger_pane(
             }
         });
         pane
-    });
-
-    ret
+    })
 }
 
 pub struct DebugTerminal {
@@ -592,10 +589,11 @@ impl DebugTerminal {
 }
 
 impl gpui::Render for DebugTerminal {
-    fn render(&mut self, _window: &mut Window, _: &mut Context<Self>) -> impl IntoElement {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         div()
-            .size_full()
             .track_focus(&self.focus_handle)
+            .size_full()
+            .bg(cx.theme().colors().editor_background)
             .children(self.terminal.clone())
     }
 }
@@ -626,7 +624,7 @@ impl RunningState {
                 if s.starts_with("\"$ZED_") && s.ends_with('"') {
                     *s = s[1..s.len() - 1].to_string();
                 }
-                if let Some(substituted) = substitute_variables_in_str(&s, context) {
+                if let Some(substituted) = substitute_variables_in_str(s, context) {
                     *s = substituted;
                 }
             }
@@ -656,7 +654,7 @@ impl RunningState {
                 }
                 resolve_path(s);
 
-                if let Some(substituted) = substitute_variables_in_str(&s, context) {
+                if let Some(substituted) = substitute_variables_in_str(s, context) {
                     *s = substituted;
                 }
             }
@@ -918,7 +916,10 @@ impl RunningState {
         let task_store = project.read(cx).task_store().downgrade();
         let weak_project = project.downgrade();
         let weak_workspace = workspace.downgrade();
-        let is_local = project.read(cx).is_local();
+        let ssh_info = project
+            .read(cx)
+            .ssh_client()
+            .and_then(|it| it.read(cx).ssh_info());
 
         cx.spawn_in(window, async move |this, cx| {
             let DebugScenario {
@@ -953,7 +954,7 @@ impl RunningState {
                                 inventory.read(cx).task_template_by_label(
                                     buffer,
                                     worktree_id,
-                                    &label,
+                                    label,
                                     cx,
                                 )
                             })
@@ -1002,7 +1003,7 @@ impl RunningState {
                     None
                 };
 
-                let builder = ShellBuilder::new(is_local, &task.resolved.shell);
+                let builder = ShellBuilder::new(ssh_info.as_ref().map(|info| &*info.shell), &task.resolved.shell);
                 let command_label = builder.command_label(&task.resolved.command_label);
                 let (command, args) =
                     builder.build(task.resolved.command.clone(), &task.resolved.args);
@@ -1014,10 +1015,9 @@ impl RunningState {
                     ..task.resolved.clone()
                 };
                 let terminal = project
-                    .update_in(cx, |project, window, cx| {
+                    .update(cx, |project, cx| {
                         project.create_terminal(
                             TerminalKind::Task(task_with_shell.clone()),
-                            window.window_handle(),
                             cx,
                         )
                     })?
@@ -1116,9 +1116,8 @@ impl RunningState {
         };
         let session = self.session.read(cx);
 
-        let cwd = Some(&request.cwd)
-            .filter(|cwd| cwd.len() > 0)
-            .map(PathBuf::from)
+        let cwd = (!request.cwd.is_empty())
+            .then(|| PathBuf::from(&request.cwd))
             .or_else(|| session.binary().unwrap().cwd.clone());
 
         let mut envs: HashMap<String, String> =
@@ -1153,7 +1152,7 @@ impl RunningState {
             } else {
                 None
             }
-        } else if args.len() > 0 {
+        } else if !args.is_empty() {
             Some(args.remove(0))
         } else {
             None
@@ -1170,9 +1169,9 @@ impl RunningState {
             id: task::TaskId("debug".to_string()),
             full_label: title.clone(),
             label: title.clone(),
-            command: command.clone(),
+            command,
             args,
-            command_label: title.clone(),
+            command_label: title,
             cwd,
             env: envs,
             use_new_terminal: true,
@@ -1189,9 +1188,7 @@ impl RunningState {
         let workspace = self.workspace.clone();
         let weak_project = project.downgrade();
 
-        let terminal_task = project.update(cx, |project, cx| {
-            project.create_terminal(kind, window.window_handle(), cx)
-        });
+        let terminal_task = project.update(cx, |project, cx| project.create_terminal(kind, cx));
         let terminal_task = cx.spawn_in(window, async move |_, cx| {
             let terminal = terminal_task.await?;
 
@@ -1312,7 +1309,7 @@ impl RunningState {
         let mut pane_item_status = IndexMap::from_iter(
             DebuggerPaneItem::all()
                 .iter()
-                .filter(|kind| kind.is_supported(&caps))
+                .filter(|kind| kind.is_supported(caps))
                 .map(|kind| (*kind, false)),
         );
         self.panes.panes().iter().for_each(|pane| {
@@ -1373,7 +1370,7 @@ impl RunningState {
         this.serialize_layout(window, cx);
         match event {
             Event::Remove { .. } => {
-                let _did_find_pane = this.panes.remove(&source_pane).is_ok();
+                let _did_find_pane = this.panes.remove(source_pane).is_ok();
                 debug_assert!(_did_find_pane);
                 cx.notify();
             }
@@ -1651,7 +1648,7 @@ impl RunningState {
 
         let is_building = self.session.update(cx, |session, cx| {
             session.shutdown(cx).detach();
-            matches!(session.mode, session::SessionState::Building(_))
+            matches!(session.mode, session::SessionState::Booting(_))
         });
 
         if is_building {
@@ -1761,7 +1758,7 @@ impl RunningState {
             this.activate_item(0, false, false, window, cx);
         });
 
-        let rightmost_pane = new_debugger_pane(workspace.clone(), project.clone(), window, cx);
+        let rightmost_pane = new_debugger_pane(workspace.clone(), project, window, cx);
         rightmost_pane.update(cx, |this, cx| {
             this.add_item(
                 Box::new(SubView::new(
diff --git a/crates/debugger_ui/src/session/running/breakpoint_list.rs b/crates/debugger_ui/src/session/running/breakpoint_list.rs
index 6ac4b1c878..233dba4c52 100644
--- a/crates/debugger_ui/src/session/running/breakpoint_list.rs
+++ b/crates/debugger_ui/src/session/running/breakpoint_list.rs
@@ -23,13 +23,9 @@ use project::{
     worktree_store::WorktreeStore,
 };
 use ui::{
-    ActiveTheme, AnyElement, App, ButtonCommon, Clickable, Color, Context, Disableable, Div,
-    Divider, FluentBuilder as _, Icon, IconButton, IconName, IconSize, InteractiveElement,
-    IntoElement, Label, LabelCommon, LabelSize, ListItem, ParentElement, Render, RenderOnce,
-    Scrollbar, ScrollbarState, SharedString, StatefulInteractiveElement, Styled, Toggleable,
-    Tooltip, Window, div, h_flex, px, v_flex,
+    Divider, DividerColor, FluentBuilder as _, Indicator, IntoElement, ListItem, Render, Scrollbar,
+    ScrollbarState, StatefulInteractiveElement, Tooltip, prelude::*,
 };
-use util::ResultExt;
 use workspace::Workspace;
 use zed_actions::{ToggleEnableBreakpoint, UnsetBreakpoint};
 
@@ -56,8 +52,6 @@ pub(crate) struct BreakpointList {
     scrollbar_state: ScrollbarState,
     breakpoints: Vec<BreakpointEntry>,
     session: Option<Entity<Session>>,
-    hide_scrollbar_task: Option<Task<()>>,
-    show_scrollbar: bool,
     focus_handle: FocusHandle,
     scroll_handle: UniformListScrollHandle,
     selected_ix: Option<usize>,
@@ -103,8 +97,6 @@ impl BreakpointList {
                 worktree_store,
                 scrollbar_state,
                 breakpoints: Default::default(),
-                hide_scrollbar_task: None,
-                show_scrollbar: false,
                 workspace,
                 session,
                 focus_handle,
@@ -247,14 +239,12 @@ impl BreakpointList {
     }
 
     fn select_next(&mut self, _: &menu::SelectNext, window: &mut Window, cx: &mut Context<Self>) {
-        if self.strip_mode.is_some() {
-            if self.input.focus_handle(cx).contains_focused(window, cx) {
-                cx.propagate();
-                return;
-            }
+        if self.strip_mode.is_some() && self.input.focus_handle(cx).contains_focused(window, cx) {
+            cx.propagate();
+            return;
         }
         let ix = match self.selected_ix {
-            _ if self.breakpoints.len() == 0 => None,
+            _ if self.breakpoints.is_empty() => None,
             None => Some(0),
             Some(ix) => {
                 if ix == self.breakpoints.len() - 1 {
@@ -273,14 +263,12 @@ impl BreakpointList {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if self.strip_mode.is_some() {
-            if self.input.focus_handle(cx).contains_focused(window, cx) {
-                cx.propagate();
-                return;
-            }
+        if self.strip_mode.is_some() && self.input.focus_handle(cx).contains_focused(window, cx) {
+            cx.propagate();
+            return;
         }
         let ix = match self.selected_ix {
-            _ if self.breakpoints.len() == 0 => None,
+            _ if self.breakpoints.is_empty() => None,
             None => Some(self.breakpoints.len() - 1),
             Some(ix) => {
                 if ix == 0 {
@@ -294,13 +282,11 @@ impl BreakpointList {
     }
 
     fn select_first(&mut self, _: &menu::SelectFirst, window: &mut Window, cx: &mut Context<Self>) {
-        if self.strip_mode.is_some() {
-            if self.input.focus_handle(cx).contains_focused(window, cx) {
-                cx.propagate();
-                return;
-            }
+        if self.strip_mode.is_some() && self.input.focus_handle(cx).contains_focused(window, cx) {
+            cx.propagate();
+            return;
         }
-        let ix = if self.breakpoints.len() > 0 {
+        let ix = if !self.breakpoints.is_empty() {
             Some(0)
         } else {
             None
@@ -309,13 +295,11 @@ impl BreakpointList {
     }
 
     fn select_last(&mut self, _: &menu::SelectLast, window: &mut Window, cx: &mut Context<Self>) {
-        if self.strip_mode.is_some() {
-            if self.input.focus_handle(cx).contains_focused(window, cx) {
-                cx.propagate();
-                return;
-            }
+        if self.strip_mode.is_some() && self.input.focus_handle(cx).contains_focused(window, cx) {
+            cx.propagate();
+            return;
         }
-        let ix = if self.breakpoints.len() > 0 {
+        let ix = if !self.breakpoints.is_empty() {
             Some(self.breakpoints.len() - 1)
         } else {
             None
@@ -345,8 +329,8 @@ impl BreakpointList {
                 let text = self.input.read(cx).text(cx);
 
                 match mode {
-                    ActiveBreakpointStripMode::Log => match &entry.kind {
-                        BreakpointEntryKind::LineBreakpoint(line_breakpoint) => {
+                    ActiveBreakpointStripMode::Log => {
+                        if let BreakpointEntryKind::LineBreakpoint(line_breakpoint) = &entry.kind {
                             Self::edit_line_breakpoint_inner(
                                 &self.breakpoint_store,
                                 line_breakpoint.breakpoint.path.clone(),
@@ -355,10 +339,9 @@ impl BreakpointList {
                                 cx,
                             );
                         }
-                        _ => {}
-                    },
-                    ActiveBreakpointStripMode::Condition => match &entry.kind {
-                        BreakpointEntryKind::LineBreakpoint(line_breakpoint) => {
+                    }
+                    ActiveBreakpointStripMode::Condition => {
+                        if let BreakpointEntryKind::LineBreakpoint(line_breakpoint) = &entry.kind {
                             Self::edit_line_breakpoint_inner(
                                 &self.breakpoint_store,
                                 line_breakpoint.breakpoint.path.clone(),
@@ -367,10 +350,9 @@ impl BreakpointList {
                                 cx,
                             );
                         }
-                        _ => {}
-                    },
-                    ActiveBreakpointStripMode::HitCondition => match &entry.kind {
-                        BreakpointEntryKind::LineBreakpoint(line_breakpoint) => {
+                    }
+                    ActiveBreakpointStripMode::HitCondition => {
+                        if let BreakpointEntryKind::LineBreakpoint(line_breakpoint) = &entry.kind {
                             Self::edit_line_breakpoint_inner(
                                 &self.breakpoint_store,
                                 line_breakpoint.breakpoint.path.clone(),
@@ -379,8 +361,7 @@ impl BreakpointList {
                                 cx,
                             );
                         }
-                        _ => {}
-                    },
+                    }
                 }
                 self.focus_handle.focus(window);
             } else {
@@ -409,11 +390,9 @@ impl BreakpointList {
         let Some(entry) = self.selected_ix.and_then(|ix| self.breakpoints.get_mut(ix)) else {
             return;
         };
-        if self.strip_mode.is_some() {
-            if self.input.focus_handle(cx).contains_focused(window, cx) {
-                cx.propagate();
-                return;
-            }
+        if self.strip_mode.is_some() && self.input.focus_handle(cx).contains_focused(window, cx) {
+            cx.propagate();
+            return;
         }
 
         match &mut entry.kind {
@@ -444,13 +423,10 @@ impl BreakpointList {
             return;
         };
 
-        match &mut entry.kind {
-            BreakpointEntryKind::LineBreakpoint(line_breakpoint) => {
-                let path = line_breakpoint.breakpoint.path.clone();
-                let row = line_breakpoint.breakpoint.row;
-                self.edit_line_breakpoint(path, row, BreakpointEditAction::Toggle, cx);
-            }
-            _ => {}
+        if let BreakpointEntryKind::LineBreakpoint(line_breakpoint) = &mut entry.kind {
+            let path = line_breakpoint.breakpoint.path.clone();
+            let row = line_breakpoint.breakpoint.row;
+            self.edit_line_breakpoint(path, row, BreakpointEditAction::Toggle, cx);
         }
         cx.notify();
     }
@@ -502,7 +478,7 @@ impl BreakpointList {
     fn toggle_data_breakpoint(&mut self, id: &str, cx: &mut Context<Self>) {
         if let Some(session) = &self.session {
             session.update(cx, |this, cx| {
-                this.toggle_data_breakpoint(&id, cx);
+                this.toggle_data_breakpoint(id, cx);
             });
         }
     }
@@ -510,7 +486,7 @@ impl BreakpointList {
     fn toggle_exception_breakpoint(&mut self, id: &str, cx: &mut Context<Self>) {
         if let Some(session) = &self.session {
             session.update(cx, |this, cx| {
-                this.toggle_exception_breakpoint(&id, cx);
+                this.toggle_exception_breakpoint(id, cx);
             });
             cx.notify();
             const EXCEPTION_SERIALIZATION_INTERVAL: Duration = Duration::from_secs(1);
@@ -546,7 +522,7 @@ impl BreakpointList {
             cx.background_executor()
                 .spawn(async move { KEY_VALUE_STORE.write_kvp(key, value?).await })
         } else {
-            return Task::ready(Result::Ok(()));
+            Task::ready(Result::Ok(()))
         }
     }
 
@@ -565,21 +541,6 @@ impl BreakpointList {
         Ok(())
     }
 
-    fn hide_scrollbar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
-        self.hide_scrollbar_task = Some(cx.spawn_in(window, async move |panel, cx| {
-            cx.background_executor()
-                .timer(SCROLLBAR_SHOW_INTERVAL)
-                .await;
-            panel
-                .update(cx, |panel, cx| {
-                    panel.show_scrollbar = false;
-                    cx.notify();
-                })
-                .log_err();
-        }))
-    }
-
     fn render_list(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
         let selected_ix = self.selected_ix;
         let focus_handle = self.focus_handle.clone();
@@ -589,6 +550,7 @@ impl BreakpointList {
             .map(|session| SupportedBreakpointProperties::from(session.read(cx).capabilities()))
             .unwrap_or_else(SupportedBreakpointProperties::empty);
         let strip_mode = self.strip_mode;
+
         uniform_list(
             "breakpoint-list",
             self.breakpoints.len(),
@@ -611,49 +573,46 @@ impl BreakpointList {
             }),
         )
         .track_scroll(self.scroll_handle.clone())
-        .flex_grow()
+        .flex_1()
     }
 
-    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Option<Stateful<Div>> {
-        if !(self.show_scrollbar || self.scrollbar_state.is_dragging()) {
-            return None;
-        }
-        Some(
-            div()
-                .occlude()
-                .id("breakpoint-list-vertical-scrollbar")
-                .on_mouse_move(cx.listener(|_, _, _, cx| {
-                    cx.notify();
-                    cx.stop_propagation()
-                }))
-                .on_hover(|_, _, cx| {
+    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
+        div()
+            .occlude()
+            .id("breakpoint-list-vertical-scrollbar")
+            .on_mouse_move(cx.listener(|_, _, _, cx| {
+                cx.notify();
+                cx.stop_propagation()
+            }))
+            .on_hover(|_, _, cx| {
+                cx.stop_propagation();
+            })
+            .on_any_mouse_down(|_, _, cx| {
+                cx.stop_propagation();
+            })
+            .on_mouse_up(
+                MouseButton::Left,
+                cx.listener(|_, _, _, cx| {
                     cx.stop_propagation();
-                })
-                .on_any_mouse_down(|_, _, cx| {
-                    cx.stop_propagation();
-                })
-                .on_mouse_up(
-                    MouseButton::Left,
-                    cx.listener(|_, _, _, cx| {
-                        cx.stop_propagation();
-                    }),
-                )
-                .on_scroll_wheel(cx.listener(|_, _, _, cx| {
-                    cx.notify();
-                }))
-                .h_full()
-                .absolute()
-                .right_1()
-                .top_1()
-                .bottom_0()
-                .w(px(12.))
-                .cursor_default()
-                .children(Scrollbar::vertical(self.scrollbar_state.clone())),
-        )
+                }),
+            )
+            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
+                cx.notify();
+            }))
+            .h_full()
+            .absolute()
+            .right_1()
+            .top_1()
+            .bottom_0()
+            .w(px(12.))
+            .cursor_default()
+            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
     }
+
     pub(crate) fn render_control_strip(&self) -> AnyElement {
         let selection_kind = self.selection_kind();
         let focus_handle = self.focus_handle.clone();
+
         let remove_breakpoint_tooltip = selection_kind.map(|(kind, _)| match kind {
             SelectedBreakpointKind::Source => "Remove breakpoint from a breakpoint list",
             SelectedBreakpointKind::Exception => {
@@ -661,6 +620,7 @@ impl BreakpointList {
             }
             SelectedBreakpointKind::Data => "Remove data breakpoint from a breakpoint list",
         });
+
         let toggle_label = selection_kind.map(|(_, is_enabled)| {
             if is_enabled {
                 (
@@ -673,13 +633,12 @@ impl BreakpointList {
         });
 
         h_flex()
-            .gap_2()
             .child(
                 IconButton::new(
                     "disable-breakpoint-breakpoint-list",
                     IconName::DebugDisabledBreakpoint,
                 )
-                .icon_size(IconSize::XSmall)
+                .icon_size(IconSize::Small)
                 .when_some(toggle_label, |this, (label, meta)| {
                     this.tooltip({
                         let focus_handle = focus_handle.clone();
@@ -705,9 +664,8 @@ impl BreakpointList {
                 }),
             )
             .child(
-                IconButton::new("remove-breakpoint-breakpoint-list", IconName::X)
-                    .icon_size(IconSize::XSmall)
-                    .icon_color(ui::Color::Error)
+                IconButton::new("remove-breakpoint-breakpoint-list", IconName::Trash)
+                    .icon_size(IconSize::Small)
                     .when_some(remove_breakpoint_tooltip, |this, tooltip| {
                         this.tooltip({
                             let focus_handle = focus_handle.clone();
@@ -727,14 +685,12 @@ impl BreakpointList {
                         selection_kind.map(|kind| kind.0) != Some(SelectedBreakpointKind::Source),
                     )
                     .on_click({
-                        let focus_handle = focus_handle.clone();
                         move |_, window, cx| {
                             focus_handle.focus(window);
                             window.dispatch_action(UnsetBreakpoint.boxed_clone(), cx)
                         }
                     }),
             )
-            .mr_2()
             .into_any_element()
     }
 }
@@ -815,19 +771,11 @@ impl Render for BreakpointList {
                 .chain(data_breakpoints)
                 .chain(exception_breakpoints),
         );
+
         v_flex()
             .id("breakpoint-list")
             .key_context("BreakpointList")
             .track_focus(&self.focus_handle)
-            .on_hover(cx.listener(|this, hovered, window, cx| {
-                if *hovered {
-                    this.show_scrollbar = true;
-                    this.hide_scrollbar_task.take();
-                    cx.notify();
-                } else if !this.focus_handle.contains_focused(window, cx) {
-                    this.hide_scrollbar(window, cx);
-                }
-            }))
             .on_action(cx.listener(Self::select_next))
             .on_action(cx.listener(Self::select_previous))
             .on_action(cx.listener(Self::select_first))
@@ -839,35 +787,33 @@ impl Render for BreakpointList {
             .on_action(cx.listener(Self::next_breakpoint_property))
             .on_action(cx.listener(Self::previous_breakpoint_property))
             .size_full()
-            .m_0p5()
-            .child(
-                v_flex()
-                    .size_full()
-                    .child(self.render_list(cx))
-                    .children(self.render_vertical_scrollbar(cx)),
-            )
+            .pt_1()
+            .child(self.render_list(cx))
+            .child(self.render_vertical_scrollbar(cx))
             .when_some(self.strip_mode, |this, _| {
-                this.child(Divider::horizontal()).child(
-                    h_flex()
-                        // .w_full()
-                        .m_0p5()
-                        .p_0p5()
-                        .border_1()
-                        .rounded_sm()
-                        .when(
-                            self.input.focus_handle(cx).contains_focused(window, cx),
-                            |this| {
-                                let colors = cx.theme().colors();
-                                let border = if self.input.read(cx).read_only(cx) {
-                                    colors.border_disabled
-                                } else {
-                                    colors.border_focused
-                                };
-                                this.border_color(border)
-                            },
-                        )
-                        .child(self.input.clone()),
-                )
+                this.child(Divider::horizontal().color(DividerColor::Border))
+                    .child(
+                        h_flex()
+                            .p_1()
+                            .rounded_sm()
+                            .bg(cx.theme().colors().editor_background)
+                            .border_1()
+                            .when(
+                                self.input.focus_handle(cx).contains_focused(window, cx),
+                                |this| {
+                                    let colors = cx.theme().colors();
+
+                                    let border_color = if self.input.read(cx).read_only(cx) {
+                                        colors.border_disabled
+                                    } else {
+                                        colors.border_transparent
+                                    };
+
+                                    this.border_color(border_color)
+                                },
+                            )
+                            .child(self.input.clone()),
+                    )
             })
     }
 }
@@ -898,12 +844,17 @@ impl LineBreakpoint {
         let path = self.breakpoint.path.clone();
         let row = self.breakpoint.row;
         let is_enabled = self.breakpoint.state.is_enabled();
+
         let indicator = div()
             .id(SharedString::from(format!(
                 "breakpoint-ui-toggle-{:?}/{}:{}",
                 self.dir, self.name, self.line
             )))
-            .cursor_pointer()
+            .child(
+                Icon::new(icon_name)
+                    .color(Color::Debugger)
+                    .size(IconSize::XSmall),
+            )
             .tooltip({
                 let focus_handle = focus_handle.clone();
                 move |window, cx| {
@@ -935,17 +886,14 @@ impl LineBreakpoint {
                     .ok();
                 }
             })
-            .child(
-                Icon::new(icon_name)
-                    .color(Color::Debugger)
-                    .size(IconSize::XSmall),
-            )
             .on_mouse_down(MouseButton::Left, move |_, _, _| {});
 
         ListItem::new(SharedString::from(format!(
             "breakpoint-ui-item-{:?}/{}:{}",
             self.dir, self.name, self.line
         )))
+        .toggle_state(is_selected)
+        .inset(true)
         .on_click({
             let weak = weak.clone();
             move |_, window, cx| {
@@ -955,23 +903,20 @@ impl LineBreakpoint {
                 .ok();
             }
         })
-        .start_slot(indicator)
-        .rounded()
         .on_secondary_mouse_down(|_, _, cx| {
             cx.stop_propagation();
         })
+        .start_slot(indicator)
         .child(
             h_flex()
-                .w_full()
-                .mr_4()
-                .py_0p5()
-                .gap_1()
-                .min_h(px(26.))
-                .justify_between()
                 .id(SharedString::from(format!(
                     "breakpoint-ui-on-click-go-to-line-{:?}/{}:{}",
                     self.dir, self.name, self.line
                 )))
+                .w_full()
+                .gap_1()
+                .min_h(rems_from_px(26.))
+                .justify_between()
                 .on_click({
                     let weak = weak.clone();
                     move |_, window, cx| {
@@ -982,9 +927,9 @@ impl LineBreakpoint {
                         .ok();
                     }
                 })
-                .cursor_pointer()
                 .child(
                     h_flex()
+                        .id("label-container")
                         .gap_0p5()
                         .child(
                             Label::new(format!("{}:{}", self.name, self.line))
@@ -1004,16 +949,18 @@ impl LineBreakpoint {
                                     .line_height_style(ui::LineHeightStyle::UiLabel)
                                     .truncate(),
                             )
-                        })),
+                        }))
+                        .when_some(self.dir.as_ref(), |this, parent_dir| {
+                            this.tooltip(Tooltip::text(format!(
+                                "Worktree parent path: {parent_dir}"
+                            )))
+                        }),
                 )
-                .when_some(self.dir.as_ref(), |this, parent_dir| {
-                    this.tooltip(Tooltip::text(format!("Worktree parent path: {parent_dir}")))
-                })
                 .child(BreakpointOptionsStrip {
                     props,
                     breakpoint: BreakpointEntry {
                         kind: BreakpointEntryKind::LineBreakpoint(self.clone()),
-                        weak: weak,
+                        weak,
                     },
                     is_selected,
                     focus_handle,
@@ -1021,15 +968,16 @@ impl LineBreakpoint {
                     index: ix,
                 }),
         )
-        .toggle_state(is_selected)
     }
 }
+
 #[derive(Clone, Debug)]
 struct ExceptionBreakpoint {
     id: String,
     data: ExceptionBreakpointsFilter,
     is_enabled: bool,
 }
+
 #[derive(Clone, Debug)]
 struct DataBreakpoint(project::debugger::session::DataBreakpointState);
 
@@ -1050,17 +998,24 @@ impl DataBreakpoint {
         };
         let is_enabled = self.0.is_enabled;
         let id = self.0.dap.data_id.clone();
+
         ListItem::new(SharedString::from(format!(
             "data-breakpoint-ui-item-{}",
             self.0.dap.data_id
         )))
-        .rounded()
+        .toggle_state(is_selected)
+        .inset(true)
         .start_slot(
             div()
                 .id(SharedString::from(format!(
                     "data-breakpoint-ui-item-{}-click-handler",
                     self.0.dap.data_id
                 )))
+                .child(
+                    Icon::new(IconName::Binary)
+                        .color(color)
+                        .size(IconSize::Small),
+                )
                 .tooltip({
                     let focus_handle = focus_handle.clone();
                     move |window, cx| {
@@ -1085,25 +1040,18 @@ impl DataBreakpoint {
                         })
                         .ok();
                     }
-                })
-                .cursor_pointer()
-                .child(
-                    Icon::new(IconName::Binary)
-                        .color(color)
-                        .size(IconSize::Small),
-                ),
+                }),
         )
         .child(
             h_flex()
                 .w_full()
-                .mr_4()
-                .py_0p5()
+                .gap_1()
+                .min_h(rems_from_px(26.))
                 .justify_between()
                 .child(
                     v_flex()
                         .py_1()
                         .gap_1()
-                        .min_h(px(26.))
                         .justify_center()
                         .id(("data-breakpoint-label", ix))
                         .child(
@@ -1124,7 +1072,6 @@ impl DataBreakpoint {
                     index: ix,
                 }),
         )
-        .toggle_state(is_selected)
     }
 }
 
@@ -1146,10 +1093,13 @@ impl ExceptionBreakpoint {
         let id = SharedString::from(&self.id);
         let is_enabled = self.is_enabled;
         let weak = list.clone();
+
         ListItem::new(SharedString::from(format!(
             "exception-breakpoint-ui-item-{}",
             self.id
         )))
+        .toggle_state(is_selected)
+        .inset(true)
         .on_click({
             let list = list.clone();
             move |_, window, cx| {
@@ -1157,7 +1107,6 @@ impl ExceptionBreakpoint {
                     .ok();
             }
         })
-        .rounded()
         .on_secondary_mouse_down(|_, _, cx| {
             cx.stop_propagation();
         })
@@ -1167,6 +1116,11 @@ impl ExceptionBreakpoint {
                     "exception-breakpoint-ui-item-{}-click-handler",
                     self.id
                 )))
+                .child(
+                    Icon::new(IconName::Flame)
+                        .color(color)
+                        .size(IconSize::Small),
+                )
                 .tooltip({
                     let focus_handle = focus_handle.clone();
                     move |window, cx| {
@@ -1184,32 +1138,24 @@ impl ExceptionBreakpoint {
                     }
                 })
                 .on_click({
-                    let list = list.clone();
                     move |_, _, cx| {
                         list.update(cx, |this, cx| {
                             this.toggle_exception_breakpoint(&id, cx);
                         })
                         .ok();
                     }
-                })
-                .cursor_pointer()
-                .child(
-                    Icon::new(IconName::Flame)
-                        .color(color)
-                        .size(IconSize::Small),
-                ),
+                }),
         )
         .child(
             h_flex()
                 .w_full()
-                .mr_4()
-                .py_0p5()
+                .gap_1()
+                .min_h(rems_from_px(26.))
                 .justify_between()
                 .child(
                     v_flex()
                         .py_1()
                         .gap_1()
-                        .min_h(px(26.))
                         .justify_center()
                         .id(("exception-breakpoint-label", ix))
                         .child(
@@ -1225,7 +1171,7 @@ impl ExceptionBreakpoint {
                     props,
                     breakpoint: BreakpointEntry {
                         kind: BreakpointEntryKind::ExceptionBreakpoint(self.clone()),
-                        weak: weak,
+                        weak,
                     },
                     is_selected,
                     focus_handle,
@@ -1233,7 +1179,6 @@ impl ExceptionBreakpoint {
                     index: ix,
                 }),
         )
-        .toggle_state(is_selected)
     }
 }
 #[derive(Clone, Debug)]
@@ -1335,6 +1280,7 @@ impl BreakpointEntry {
         }
     }
 }
+
 bitflags::bitflags! {
     #[derive(Clone, Copy)]
     pub struct SupportedBreakpointProperties: u32 {
@@ -1393,6 +1339,7 @@ impl BreakpointOptionsStrip {
     fn is_toggled(&self, expected_mode: ActiveBreakpointStripMode) -> bool {
         self.is_selected && self.strip_mode == Some(expected_mode)
     }
+
     fn on_click_callback(
         &self,
         mode: ActiveBreakpointStripMode,
@@ -1412,7 +1359,8 @@ impl BreakpointOptionsStrip {
             .ok();
         }
     }
-    fn add_border(
+
+    fn add_focus_styles(
         &self,
         kind: ActiveBreakpointStripMode,
         available: bool,
@@ -1421,22 +1369,25 @@ impl BreakpointOptionsStrip {
     ) -> impl Fn(Div) -> Div {
         move |this: Div| {
             // Avoid layout shifts in case there's no colored border
-            let this = this.border_2().rounded_sm();
+            let this = this.border_1().rounded_sm();
+            let color = cx.theme().colors();
+
             if self.is_selected && self.strip_mode == Some(kind) {
-                let theme = cx.theme().colors();
                 if self.focus_handle.is_focused(window) {
-                    this.border_color(theme.border_selected)
+                    this.bg(color.editor_background)
+                        .border_color(color.border_focused)
                 } else {
-                    this.border_color(theme.border_disabled)
+                    this.border_color(color.border)
                 }
             } else if !available {
-                this.border_color(cx.theme().colors().border_disabled)
+                this.border_color(color.border_transparent)
             } else {
                 this
             }
         }
     }
 }
+
 impl RenderOnce for BreakpointOptionsStrip {
     fn render(self, window: &mut Window, cx: &mut App) -> impl IntoElement {
         let id = self.breakpoint.id();
@@ -1459,73 +1410,117 @@ impl RenderOnce for BreakpointOptionsStrip {
         };
         let color_for_toggle = |is_enabled| {
             if is_enabled {
-                ui::Color::Default
+                Color::Default
             } else {
-                ui::Color::Muted
+                Color::Muted
             }
         };
 
         h_flex()
-            .gap_1()
+            .gap_px()
+            .mr_3() // Space to avoid overlapping with the scrollbar
             .child(
-                div().map(self.add_border(ActiveBreakpointStripMode::Log, supports_logs, window, cx))
+                div()
+                    .map(self.add_focus_styles(
+                        ActiveBreakpointStripMode::Log,
+                        supports_logs,
+                        window,
+                        cx,
+                    ))
                     .child(
                         IconButton::new(
                             SharedString::from(format!("{id}-log-toggle")),
-                            IconName::ScrollText,
+                            IconName::Notepad,
                         )
-                        .icon_size(IconSize::XSmall)
+                        .shape(ui::IconButtonShape::Square)
                         .style(style_for_toggle(ActiveBreakpointStripMode::Log, has_logs))
+                        .icon_size(IconSize::Small)
                         .icon_color(color_for_toggle(has_logs))
+                        .when(has_logs, |this| this.indicator(Indicator::dot().color(Color::Info)))
                         .disabled(!supports_logs)
                         .toggle_state(self.is_toggled(ActiveBreakpointStripMode::Log))
-                        .on_click(self.on_click_callback(ActiveBreakpointStripMode::Log)).tooltip(|window, cx| Tooltip::with_meta("Set Log Message", None, "Set log message to display (instead of stopping) when a breakpoint is hit", window, cx))
+                        .on_click(self.on_click_callback(ActiveBreakpointStripMode::Log))
+                        .tooltip(|window, cx| {
+                            Tooltip::with_meta(
+                                "Set Log Message",
+                                None,
+                                "Set log message to display (instead of stopping) when a breakpoint is hit.",
+                                window,
+                                cx,
+                            )
+                        }),
                     )
                     .when(!has_logs && !self.is_selected, |this| this.invisible()),
             )
             .child(
-                div().map(self.add_border(
-                    ActiveBreakpointStripMode::Condition,
-                    supports_condition,
-                    window, cx
-                ))
+                div()
+                    .map(self.add_focus_styles(
+                        ActiveBreakpointStripMode::Condition,
+                        supports_condition,
+                        window,
+                        cx,
+                    ))
                     .child(
                         IconButton::new(
                             SharedString::from(format!("{id}-condition-toggle")),
                             IconName::SplitAlt,
                         )
-                        .icon_size(IconSize::XSmall)
+                        .shape(ui::IconButtonShape::Square)
                         .style(style_for_toggle(
                             ActiveBreakpointStripMode::Condition,
-                            has_condition
+                            has_condition,
                         ))
+                        .icon_size(IconSize::Small)
                         .icon_color(color_for_toggle(has_condition))
+                        .when(has_condition, |this| this.indicator(Indicator::dot().color(Color::Info)))
                         .disabled(!supports_condition)
                         .toggle_state(self.is_toggled(ActiveBreakpointStripMode::Condition))
                         .on_click(self.on_click_callback(ActiveBreakpointStripMode::Condition))
-                        .tooltip(|window, cx| Tooltip::with_meta("Set Condition", None, "Set condition to evaluate when a breakpoint is hit. Program execution will stop only when the condition is met", window, cx))
+                        .tooltip(|window, cx| {
+                            Tooltip::with_meta(
+                                "Set Condition",
+                                None,
+                                "Set condition to evaluate when a breakpoint is hit. Program execution will stop only when the condition is met.",
+                                window,
+                                cx,
+                            )
+                        }),
                     )
                     .when(!has_condition && !self.is_selected, |this| this.invisible()),
             )
             .child(
-                div().map(self.add_border(
-                    ActiveBreakpointStripMode::HitCondition,
-                    supports_hit_condition,window, cx
-                ))
+                div()
+                    .map(self.add_focus_styles(
+                        ActiveBreakpointStripMode::HitCondition,
+                        supports_hit_condition,
+                        window,
+                        cx,
+                    ))
                     .child(
                         IconButton::new(
                             SharedString::from(format!("{id}-hit-condition-toggle")),
                             IconName::ArrowDown10,
                         )
-                        .icon_size(IconSize::XSmall)
                         .style(style_for_toggle(
                             ActiveBreakpointStripMode::HitCondition,
                             has_hit_condition,
                         ))
+                        .shape(ui::IconButtonShape::Square)
+                        .icon_size(IconSize::Small)
                         .icon_color(color_for_toggle(has_hit_condition))
+                        .when(has_hit_condition, |this| this.indicator(Indicator::dot().color(Color::Info)))
                         .disabled(!supports_hit_condition)
                         .toggle_state(self.is_toggled(ActiveBreakpointStripMode::HitCondition))
-                        .on_click(self.on_click_callback(ActiveBreakpointStripMode::HitCondition)).tooltip(|window, cx| Tooltip::with_meta("Set Hit Condition", None, "Set expression that controls how many hits of the breakpoint are ignored.", window, cx))
+                        .on_click(self.on_click_callback(ActiveBreakpointStripMode::HitCondition))
+                        .tooltip(|window, cx| {
+                            Tooltip::with_meta(
+                                "Set Hit Condition",
+                                None,
+                                "Set expression that controls how many hits of the breakpoint are ignored.",
+                                window,
+                                cx,
+                            )
+                        }),
                     )
                     .when(!has_hit_condition && !self.is_selected, |this| {
                         this.invisible()
diff --git a/crates/debugger_ui/src/session/running/console.rs b/crates/debugger_ui/src/session/running/console.rs
index 1385bec54e..a801cedd26 100644
--- a/crates/debugger_ui/src/session/running/console.rs
+++ b/crates/debugger_ui/src/session/running/console.rs
@@ -352,7 +352,7 @@ impl Console {
                     .child(
                         div()
                             .px_1()
-                            .child(Icon::new(IconName::ChevronDownSmall).size(IconSize::XSmall)),
+                            .child(Icon::new(IconName::ChevronDown).size(IconSize::XSmall)),
                     ),
             )
             .when(
@@ -365,9 +365,9 @@ impl Console {
                         Some(ContextMenu::build(window, cx, |context_menu, _, _| {
                             context_menu
                                 .when_some(keybinding_target.clone(), |el, keybinding_target| {
-                                    el.context(keybinding_target.clone())
+                                    el.context(keybinding_target)
                                 })
-                                .action("Watch expression", WatchExpression.boxed_clone())
+                                .action("Watch Expression", WatchExpression.boxed_clone())
                         }))
                     })
                 },
@@ -452,18 +452,22 @@ impl Render for Console {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let query_focus_handle = self.query_bar.focus_handle(cx);
         self.update_output(window, cx);
+
         v_flex()
             .track_focus(&self.focus_handle)
             .key_context("DebugConsole")
             .on_action(cx.listener(Self::evaluate))
             .on_action(cx.listener(Self::watch_expression))
             .size_full()
+            .border_2()
+            .bg(cx.theme().colors().editor_background)
             .child(self.render_console(cx))
             .when(self.is_running(cx), |this| {
                 this.child(Divider::horizontal()).child(
                     h_flex()
                         .on_action(cx.listener(Self::previous_query))
                         .on_action(cx.listener(Self::next_query))
+                        .p_1()
                         .gap_1()
                         .bg(cx.theme().colors().editor_background)
                         .child(self.render_query_bar(cx))
@@ -474,6 +478,9 @@ impl Render for Console {
                             .on_click(move |_, window, cx| {
                                 window.dispatch_action(Box::new(Confirm), cx)
                             })
+                            .layer(ui::ElevationIndex::ModalSurface)
+                            .size(ui::ButtonSize::Compact)
+                            .child(Label::new("Evaluate"))
                             .tooltip({
                                 let query_focus_handle = query_focus_handle.clone();
 
@@ -486,10 +493,7 @@ impl Render for Console {
                                         cx,
                                     )
                                 }
-                            })
-                            .layer(ui::ElevationIndex::ModalSurface)
-                            .size(ui::ButtonSize::Compact)
-                            .child(Label::new("Evaluate")),
+                            }),
                             self.render_submit_menu(
                                 ElementId::Name("split-button-right-confirm-button".into()),
                                 Some(query_focus_handle.clone()),
@@ -499,7 +503,6 @@ impl Render for Console {
                         )),
                 )
             })
-            .border_2()
     }
 }
 
@@ -608,17 +611,16 @@ impl ConsoleQueryBarCompletionProvider {
             for variable in console.variable_list.update(cx, |variable_list, cx| {
                 variable_list.completion_variables(cx)
             }) {
-                if let Some(evaluate_name) = &variable.evaluate_name {
-                    if variables
+                if let Some(evaluate_name) = &variable.evaluate_name
+                    && variables
                         .insert(evaluate_name.clone(), variable.value.clone())
                         .is_none()
-                    {
-                        string_matches.push(StringMatchCandidate {
-                            id: 0,
-                            string: evaluate_name.clone(),
-                            char_bag: evaluate_name.chars().collect(),
-                        });
-                    }
+                {
+                    string_matches.push(StringMatchCandidate {
+                        id: 0,
+                        string: evaluate_name.clone(),
+                        char_bag: evaluate_name.chars().collect(),
+                    });
                 }
 
                 if variables
@@ -694,7 +696,7 @@ impl ConsoleQueryBarCompletionProvider {
         new_bytes: &[u8],
         snapshot: &TextBufferSnapshot,
     ) -> Range<Anchor> {
-        let buffer_offset = buffer_position.to_offset(&snapshot);
+        let buffer_offset = buffer_position.to_offset(snapshot);
         let buffer_bytes = &buffer_text.as_bytes()[0..buffer_offset];
 
         let mut prefix_len = 0;
@@ -974,7 +976,7 @@ mod tests {
             &cx.buffer_text(),
             snapshot.anchor_before(buffer_position),
             replacement.as_bytes(),
-            &snapshot,
+            snapshot,
         );
 
         cx.update_editor(|editor, _, cx| {
diff --git a/crates/debugger_ui/src/session/running/loaded_source_list.rs b/crates/debugger_ui/src/session/running/loaded_source_list.rs
index dd5487e042..921ebd8b5f 100644
--- a/crates/debugger_ui/src/session/running/loaded_source_list.rs
+++ b/crates/debugger_ui/src/session/running/loaded_source_list.rs
@@ -13,22 +13,8 @@ pub(crate) struct LoadedSourceList {
 
 impl LoadedSourceList {
     pub fn new(session: Entity<Session>, cx: &mut Context<Self>) -> Self {
-        let weak_entity = cx.weak_entity();
         let focus_handle = cx.focus_handle();
-
-        let list = ListState::new(
-            0,
-            gpui::ListAlignment::Top,
-            px(1000.),
-            move |ix, _window, cx| {
-                weak_entity
-                    .upgrade()
-                    .map(|loaded_sources| {
-                        loaded_sources.update(cx, |this, cx| this.render_entry(ix, cx))
-                    })
-                    .unwrap_or(div().into_any())
-            },
-        );
+        let list = ListState::new(0, gpui::ListAlignment::Top, px(1000.));
 
         let _subscription = cx.subscribe(&session, |this, _, event, cx| match event {
             SessionEvent::Stopped(_) | SessionEvent::LoadedSources => {
@@ -71,7 +57,7 @@ impl LoadedSourceList {
                 h_flex()
                     .text_ui_xs(cx)
                     .text_color(cx.theme().colors().text_muted)
-                    .when_some(source.path.clone(), |this, path| this.child(path)),
+                    .when_some(source.path, |this, path| this.child(path)),
             )
             .into_any()
     }
@@ -98,6 +84,12 @@ impl Render for LoadedSourceList {
             .track_focus(&self.focus_handle)
             .size_full()
             .p_1()
-            .child(list(self.list.clone()).size_full())
+            .child(
+                list(
+                    self.list.clone(),
+                    cx.processor(|this, ix, _window, cx| this.render_entry(ix, cx)),
+                )
+                .size_full(),
+            )
     }
 }
diff --git a/crates/debugger_ui/src/session/running/memory_view.rs b/crates/debugger_ui/src/session/running/memory_view.rs
index 7b62a1d55d..e7b7963d3f 100644
--- a/crates/debugger_ui/src/session/running/memory_view.rs
+++ b/crates/debugger_ui/src/session/running/memory_view.rs
@@ -18,12 +18,9 @@ use project::debugger::{MemoryCell, dap_command::DataBreakpointContext, session:
 use settings::Settings;
 use theme::ThemeSettings;
 use ui::{
-    ActiveTheme, AnyElement, App, Color, Context, ContextMenu, Div, Divider, DropdownMenu, Element,
-    FluentBuilder, Icon, IconName, InteractiveElement, IntoElement, Label, LabelCommon,
-    ParentElement, Pixels, PopoverMenuHandle, Render, Scrollbar, ScrollbarState, SharedString,
-    StatefulInteractiveElement, Styled, TextSize, Tooltip, Window, div, h_flex, px, v_flex,
+    ContextMenu, Divider, DropdownMenu, FluentBuilder, IntoElement, PopoverMenuHandle, Render,
+    Scrollbar, ScrollbarState, StatefulInteractiveElement, Tooltip, prelude::*,
 };
-use util::ResultExt;
 use workspace::Workspace;
 
 use crate::{ToggleDataBreakpoint, session::running::stack_frame_list::StackFrameList};
@@ -34,9 +31,7 @@ pub(crate) struct MemoryView {
     workspace: WeakEntity<Workspace>,
     scroll_handle: UniformListScrollHandle,
     scroll_state: ScrollbarState,
-    show_scrollbar: bool,
     stack_frame_list: WeakEntity<StackFrameList>,
-    hide_scrollbar_task: Option<Task<()>>,
     focus_handle: FocusHandle,
     view_state: ViewState,
     query_editor: Entity<Editor>,
@@ -150,8 +145,6 @@ impl MemoryView {
             scroll_state,
             scroll_handle,
             stack_frame_list,
-            show_scrollbar: false,
-            hide_scrollbar_task: None,
             focus_handle: cx.focus_handle(),
             view_state,
             query_editor,
@@ -168,61 +161,42 @@ impl MemoryView {
         .detach();
         this
     }
-    fn hide_scrollbar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
-        self.hide_scrollbar_task = Some(cx.spawn_in(window, async move |panel, cx| {
-            cx.background_executor()
-                .timer(SCROLLBAR_SHOW_INTERVAL)
-                .await;
-            panel
-                .update(cx, |panel, cx| {
-                    panel.show_scrollbar = false;
-                    cx.notify();
-                })
-                .log_err();
-        }))
-    }
 
-    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Option<Stateful<Div>> {
-        if !(self.show_scrollbar || self.scroll_state.is_dragging()) {
-            return None;
-        }
-        Some(
-            div()
-                .occlude()
-                .id("memory-view-vertical-scrollbar")
-                .on_drag_move(cx.listener(|this, evt, _, cx| {
-                    let did_handle = this.handle_scroll_drag(evt);
-                    cx.notify();
-                    if did_handle {
-                        cx.stop_propagation()
-                    }
-                }))
-                .on_drag(ScrollbarDragging, |_, _, _, cx| cx.new(|_| Empty))
-                .on_hover(|_, _, cx| {
+    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
+        div()
+            .occlude()
+            .id("memory-view-vertical-scrollbar")
+            .on_drag_move(cx.listener(|this, evt, _, cx| {
+                let did_handle = this.handle_scroll_drag(evt);
+                cx.notify();
+                if did_handle {
+                    cx.stop_propagation()
+                }
+            }))
+            .on_drag(ScrollbarDragging, |_, _, _, cx| cx.new(|_| Empty))
+            .on_hover(|_, _, cx| {
+                cx.stop_propagation();
+            })
+            .on_any_mouse_down(|_, _, cx| {
+                cx.stop_propagation();
+            })
+            .on_mouse_up(
+                MouseButton::Left,
+                cx.listener(|_, _, _, cx| {
                     cx.stop_propagation();
-                })
-                .on_any_mouse_down(|_, _, cx| {
-                    cx.stop_propagation();
-                })
-                .on_mouse_up(
-                    MouseButton::Left,
-                    cx.listener(|_, _, _, cx| {
-                        cx.stop_propagation();
-                    }),
-                )
-                .on_scroll_wheel(cx.listener(|_, _, _, cx| {
-                    cx.notify();
-                }))
-                .h_full()
-                .absolute()
-                .right_1()
-                .top_1()
-                .bottom_0()
-                .w(px(12.))
-                .cursor_default()
-                .children(Scrollbar::vertical(self.scroll_state.clone())),
-        )
+                }),
+            )
+            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
+                cx.notify();
+            }))
+            .h_full()
+            .absolute()
+            .right_1()
+            .top_1()
+            .bottom_0()
+            .w(px(12.))
+            .cursor_default()
+            .children(Scrollbar::vertical(self.scroll_state.clone()).map(|s| s.auto_hide(cx)))
     }
 
     fn render_memory(&self, cx: &mut Context<Self>) -> UniformList {
@@ -288,7 +262,7 @@ impl MemoryView {
         cx: &mut Context<Self>,
     ) {
         use parse_int::parse;
-        let Ok(as_address) = parse::<u64>(&memory_reference) else {
+        let Ok(as_address) = parse::<u64>(memory_reference) else {
             return;
         };
         let access_size = evaluate_name
@@ -487,7 +461,7 @@ impl MemoryView {
             let data_breakpoint_info = this.data_breakpoint_info(context.clone(), None, cx);
             cx.spawn(async move |this, cx| {
                 if let Some(info) = data_breakpoint_info.await {
-                    let Some(data_id) = info.data_id.clone() else {
+                    let Some(data_id) = info.data_id else {
                         return;
                     };
                     _ = this.update(cx, |this, cx| {
@@ -920,15 +894,6 @@ impl Render for MemoryView {
             .on_action(cx.listener(Self::page_up))
             .size_full()
             .track_focus(&self.focus_handle)
-            .on_hover(cx.listener(|this, hovered, window, cx| {
-                if *hovered {
-                    this.show_scrollbar = true;
-                    this.hide_scrollbar_task.take();
-                    cx.notify();
-                } else if !this.focus_handle.contains_focused(window, cx) {
-                    this.hide_scrollbar(window, cx);
-                }
-            }))
             .child(
                 h_flex()
                     .w_full()
@@ -966,7 +931,7 @@ impl Render for MemoryView {
                 v_flex()
                     .size_full()
                     .on_drag_move(cx.listener(|this, evt, _, _| {
-                        this.handle_memory_drag(&evt);
+                        this.handle_memory_drag(evt);
                     }))
                     .child(self.render_memory(cx).size_full())
                     .children(self.open_context_menu.as_ref().map(|(menu, position, _)| {
@@ -978,7 +943,7 @@ impl Render for MemoryView {
                         )
                         .with_priority(1)
                     }))
-                    .children(self.render_vertical_scrollbar(cx)),
+                    .child(self.render_vertical_scrollbar(cx)),
             )
     }
 }
diff --git a/crates/debugger_ui/src/session/running/module_list.rs b/crates/debugger_ui/src/session/running/module_list.rs
index 74a9fb457a..7743cfbdee 100644
--- a/crates/debugger_ui/src/session/running/module_list.rs
+++ b/crates/debugger_ui/src/session/running/module_list.rs
@@ -157,7 +157,7 @@ impl ModuleList {
                 h_flex()
                     .text_ui_xs(cx)
                     .text_color(cx.theme().colors().text_muted)
-                    .when_some(module.path.clone(), |this, path| this.child(path)),
+                    .when_some(module.path, |this, path| this.child(path)),
             )
             .into_any()
     }
@@ -223,7 +223,7 @@ impl ModuleList {
 
     fn select_next(&mut self, _: &menu::SelectNext, _window: &mut Window, cx: &mut Context<Self>) {
         let ix = match self.selected_ix {
-            _ if self.entries.len() == 0 => None,
+            _ if self.entries.is_empty() => None,
             None => Some(0),
             Some(ix) => {
                 if ix == self.entries.len() - 1 {
@@ -243,7 +243,7 @@ impl ModuleList {
         cx: &mut Context<Self>,
     ) {
         let ix = match self.selected_ix {
-            _ if self.entries.len() == 0 => None,
+            _ if self.entries.is_empty() => None,
             None => Some(self.entries.len() - 1),
             Some(ix) => {
                 if ix == 0 {
@@ -262,7 +262,7 @@ impl ModuleList {
         _window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        let ix = if self.entries.len() > 0 {
+        let ix = if !self.entries.is_empty() {
             Some(0)
         } else {
             None
@@ -271,7 +271,7 @@ impl ModuleList {
     }
 
     fn select_last(&mut self, _: &menu::SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
-        let ix = if self.entries.len() > 0 {
+        let ix = if !self.entries.is_empty() {
             Some(self.entries.len() - 1)
         } else {
             None
diff --git a/crates/debugger_ui/src/session/running/stack_frame_list.rs b/crates/debugger_ui/src/session/running/stack_frame_list.rs
index da3674c8e2..a4ea4ab654 100644
--- a/crates/debugger_ui/src/session/running/stack_frame_list.rs
+++ b/crates/debugger_ui/src/session/running/stack_frame_list.rs
@@ -70,13 +70,7 @@ impl StackFrameList {
                 _ => {}
             });
 
-        let list_state = ListState::new(0, gpui::ListAlignment::Top, px(1000.), {
-            let this = cx.weak_entity();
-            move |ix, _window, cx| {
-                this.update(cx, |this, cx| this.render_entry(ix, cx))
-                    .unwrap_or(div().into_any())
-            }
-        });
+        let list_state = ListState::new(0, gpui::ListAlignment::Top, px(1000.));
         let scrollbar_state = ScrollbarState::new(list_state.clone());
 
         let mut this = Self {
@@ -132,7 +126,7 @@ impl StackFrameList {
         self.stack_frames(cx)
             .unwrap_or_default()
             .into_iter()
-            .map(|stack_frame| stack_frame.dap.clone())
+            .map(|stack_frame| stack_frame.dap)
             .collect()
     }
 
@@ -230,7 +224,7 @@ impl StackFrameList {
 
         let collapsed_entries = std::mem::take(&mut collapsed_entries);
         if !collapsed_entries.is_empty() {
-            entries.push(StackFrameEntry::Collapsed(collapsed_entries.clone()));
+            entries.push(StackFrameEntry::Collapsed(collapsed_entries));
         }
         self.entries = entries;
 
@@ -424,7 +418,7 @@ impl StackFrameList {
         let source = stack_frame.source.clone();
         let is_selected_frame = Some(ix) == self.selected_ix;
 
-        let path = source.clone().and_then(|s| s.path.or(s.name));
+        let path = source.and_then(|s| s.path.or(s.name));
         let formatted_path = path.map(|path| format!("{}:{}", path, stack_frame.line,));
         let formatted_path = formatted_path.map(|path| {
             Label::new(path)
@@ -499,7 +493,7 @@ impl StackFrameList {
                             .child(
                                 IconButton::new(
                                     ("restart-stack-frame", stack_frame.id),
-                                    IconName::DebugRestart,
+                                    IconName::RotateCcw,
                                 )
                                 .icon_size(IconSize::Small)
                                 .on_click(cx.listener({
@@ -627,7 +621,7 @@ impl StackFrameList {
 
     fn select_next(&mut self, _: &menu::SelectNext, _window: &mut Window, cx: &mut Context<Self>) {
         let ix = match self.selected_ix {
-            _ if self.entries.len() == 0 => None,
+            _ if self.entries.is_empty() => None,
             None => Some(0),
             Some(ix) => {
                 if ix == self.entries.len() - 1 {
@@ -647,7 +641,7 @@ impl StackFrameList {
         cx: &mut Context<Self>,
     ) {
         let ix = match self.selected_ix {
-            _ if self.entries.len() == 0 => None,
+            _ if self.entries.is_empty() => None,
             None => Some(self.entries.len() - 1),
             Some(ix) => {
                 if ix == 0 {
@@ -666,7 +660,7 @@ impl StackFrameList {
         _window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        let ix = if self.entries.len() > 0 {
+        let ix = if !self.entries.is_empty() {
             Some(0)
         } else {
             None
@@ -675,7 +669,7 @@ impl StackFrameList {
     }
 
     fn select_last(&mut self, _: &menu::SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
-        let ix = if self.entries.len() > 0 {
+        let ix = if !self.entries.is_empty() {
             Some(self.entries.len() - 1)
         } else {
             None
@@ -708,11 +702,14 @@ impl StackFrameList {
         self.activate_selected_entry(window, cx);
     }
 
-    fn render_list(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
-        div()
-            .p_1()
-            .size_full()
-            .child(list(self.list_state.clone()).size_full())
+    fn render_list(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        div().p_1().size_full().child(
+            list(
+                self.list_state.clone(),
+                cx.processor(|this, ix, _window, cx| this.render_entry(ix, cx)),
+            )
+            .size_full(),
+        )
     }
 }
 
diff --git a/crates/debugger_ui/src/session/running/variable_list.rs b/crates/debugger_ui/src/session/running/variable_list.rs
index 906e482687..b396f0921e 100644
--- a/crates/debugger_ui/src/session/running/variable_list.rs
+++ b/crates/debugger_ui/src/session/running/variable_list.rs
@@ -272,7 +272,7 @@ impl VariableList {
         let mut entries = vec![];
 
         let scopes: Vec<_> = self.session.update(cx, |session, cx| {
-            session.scopes(stack_frame_id, cx).iter().cloned().collect()
+            session.scopes(stack_frame_id, cx).to_vec()
         });
 
         let mut contains_local_scope = false;
@@ -291,7 +291,7 @@ impl VariableList {
                 }
 
                 self.session.update(cx, |session, cx| {
-                    session.variables(scope.variables_reference, cx).len() > 0
+                    !session.variables(scope.variables_reference, cx).is_empty()
                 })
             })
             .map(|scope| {
@@ -313,7 +313,7 @@ impl VariableList {
                         watcher.variables_reference,
                         watcher.variables_reference,
                         EntryPath::for_watcher(watcher.expression.clone()),
-                        DapEntry::Watcher(watcher.clone()),
+                        DapEntry::Watcher(watcher),
                     )
                 })
                 .collect::<Vec<_>>(),
@@ -947,7 +947,7 @@ impl VariableList {
     #[track_caller]
     #[cfg(test)]
     pub(crate) fn assert_visual_entries(&self, expected: Vec<&str>) {
-        const INDENT: &'static str = "    ";
+        const INDENT: &str = "    ";
 
         let entries = &self.entries;
         let mut visual_entries = Vec::with_capacity(entries.len());
@@ -997,7 +997,7 @@ impl VariableList {
                 DapEntry::Watcher { .. } => continue,
                 DapEntry::Variable(dap) => scopes[idx].1.push(dap.clone()),
                 DapEntry::Scope(scope) => {
-                    if scopes.len() > 0 {
+                    if !scopes.is_empty() {
                         idx += 1;
                     }
 
@@ -1107,7 +1107,7 @@ impl VariableList {
                                     let variable_value = value.clone();
                                     this.on_click(cx.listener(
                                         move |this, click: &ClickEvent, window, cx| {
-                                            if click.down.click_count < 2 {
+                                            if click.click_count() < 2 {
                                                 return;
                                             }
                                             let editor = Self::create_variable_editor(
@@ -1289,7 +1289,7 @@ impl VariableList {
                             }),
                         )
                         .child(self.render_variable_value(
-                            &entry,
+                            entry,
                             &variable_color,
                             watcher.value.to_string(),
                             cx,
@@ -1301,8 +1301,6 @@ impl VariableList {
                         IconName::Close,
                     )
                     .on_click({
-                        let weak = weak.clone();
-                        let path = path.clone();
                         move |_, window, cx| {
                             weak.update(cx, |variable_list, cx| {
                                 variable_list.selection = Some(path.clone());
@@ -1470,7 +1468,6 @@ impl VariableList {
                     }))
                 })
                 .on_secondary_mouse_down(cx.listener({
-                    let path = path.clone();
                     let entry = variable.clone();
                     move |this, event: &MouseDownEvent, window, cx| {
                         this.selection = Some(path.clone());
@@ -1494,7 +1491,7 @@ impl VariableList {
                             }),
                         )
                         .child(self.render_variable_value(
-                            &variable,
+                            variable,
                             &variable_color,
                             dap.value.clone(),
                             cx,
diff --git a/crates/debugger_ui/src/tests/attach_modal.rs b/crates/debugger_ui/src/tests/attach_modal.rs
index 906a7a0d4b..80e2b73d5a 100644
--- a/crates/debugger_ui/src/tests/attach_modal.rs
+++ b/crates/debugger_ui/src/tests/attach_modal.rs
@@ -139,7 +139,7 @@ async fn test_show_attach_modal_and_select_process(
     workspace
         .update(cx, |_, window, cx| {
             let names =
-                attach_modal.update(cx, |modal, cx| attach_modal::_process_names(&modal, cx));
+                attach_modal.update(cx, |modal, cx| attach_modal::_process_names(modal, cx));
             // Initially all processes are visible.
             assert_eq!(3, names.len());
             attach_modal.update(cx, |this, cx| {
@@ -154,7 +154,7 @@ async fn test_show_attach_modal_and_select_process(
     workspace
         .update(cx, |_, _, cx| {
             let names =
-                attach_modal.update(cx, |modal, cx| attach_modal::_process_names(&modal, cx));
+                attach_modal.update(cx, |modal, cx| attach_modal::_process_names(modal, cx));
             // Initially all processes are visible.
             assert_eq!(2, names.len());
         })
diff --git a/crates/debugger_ui/src/tests/debugger_panel.rs b/crates/debugger_ui/src/tests/debugger_panel.rs
index 6180831ea9..ab6d5cb960 100644
--- a/crates/debugger_ui/src/tests/debugger_panel.rs
+++ b/crates/debugger_ui/src/tests/debugger_panel.rs
@@ -1330,7 +1330,6 @@ async fn test_unsetting_breakpoints_on_clear_breakpoint_action(
     let called_set_breakpoints = Arc::new(AtomicBool::new(false));
 
     client.on_request::<SetBreakpoints, _>({
-        let called_set_breakpoints = called_set_breakpoints.clone();
         move |_, args| {
             assert!(
                 args.breakpoints.is_none_or(|bps| bps.is_empty()),
@@ -1445,7 +1444,6 @@ async fn test_we_send_arguments_from_user_config(
     let launch_handler_called = Arc::new(AtomicBool::new(false));
 
     start_debug_session_with(&workspace, cx, debug_definition.clone(), {
-        let debug_definition = debug_definition.clone();
         let launch_handler_called = launch_handler_called.clone();
 
         move |client| {
@@ -1783,9 +1781,8 @@ async fn test_debug_adapters_shutdown_on_app_quit(
     let disconnect_request_received = Arc::new(AtomicBool::new(false));
     let disconnect_clone = disconnect_request_received.clone();
 
-    let disconnect_clone_for_handler = disconnect_clone.clone();
     client.on_request::<Disconnect, _>(move |_, _| {
-        disconnect_clone_for_handler.store(true, Ordering::SeqCst);
+        disconnect_clone.store(true, Ordering::SeqCst);
         Ok(())
     });
 
diff --git a/crates/debugger_ui/src/tests/new_process_modal.rs b/crates/debugger_ui/src/tests/new_process_modal.rs
index 0805060bf4..bfc445cf67 100644
--- a/crates/debugger_ui/src/tests/new_process_modal.rs
+++ b/crates/debugger_ui/src/tests/new_process_modal.rs
@@ -106,9 +106,7 @@ async fn test_debug_session_substitutes_variables_and_relativizes_paths(
                         );
 
                         let expected_other_field = if input_path.contains("$ZED_WORKTREE_ROOT") {
-                            input_path
-                                .replace("$ZED_WORKTREE_ROOT", &path!("/test/worktree/path"))
-                                .to_owned()
+                            input_path.replace("$ZED_WORKTREE_ROOT", path!("/test/worktree/path"))
                         } else {
                             input_path.to_string()
                         };
@@ -298,7 +296,7 @@ async fn test_dap_adapter_config_conversion_and_validation(cx: &mut TestAppConte
 
     let adapter_names = cx.update(|cx| {
         let registry = DapRegistry::global(cx);
-        registry.enumerate_adapters()
+        registry.enumerate_adapters::<Vec<_>>()
     });
 
     let zed_config = ZedDebugConfig {
diff --git a/crates/debugger_ui/src/tests/variable_list.rs b/crates/debugger_ui/src/tests/variable_list.rs
index fbbd529641..4cfdae093f 100644
--- a/crates/debugger_ui/src/tests/variable_list.rs
+++ b/crates/debugger_ui/src/tests/variable_list.rs
@@ -1445,11 +1445,8 @@ async fn test_variable_list_only_sends_requests_when_rendering(
 
     cx.run_until_parked();
 
-    let running_state = active_debug_session_panel(workspace, cx).update_in(cx, |item, _, _| {
-        let state = item.running_state().clone();
-
-        state
-    });
+    let running_state = active_debug_session_panel(workspace, cx)
+        .update_in(cx, |item, _, _| item.running_state().clone());
 
     client
         .fake_event(dap::messages::Events::Stopped(dap::StoppedEvent {
diff --git a/crates/diagnostics/Cargo.toml b/crates/diagnostics/Cargo.toml
index 53b5792e10..fd678078e8 100644
--- a/crates/diagnostics/Cargo.toml
+++ b/crates/diagnostics/Cargo.toml
@@ -18,7 +18,6 @@ collections.workspace = true
 component.workspace = true
 ctor.workspace = true
 editor.workspace = true
-futures.workspace = true
 gpui.workspace = true
 indoc.workspace = true
 language.workspace = true
diff --git a/crates/diagnostics/src/diagnostic_renderer.rs b/crates/diagnostics/src/diagnostic_renderer.rs
index ce7b253702..e9731f84ce 100644
--- a/crates/diagnostics/src/diagnostic_renderer.rs
+++ b/crates/diagnostics/src/diagnostic_renderer.rs
@@ -46,7 +46,7 @@ impl DiagnosticRenderer {
                     markdown.push_str(" (");
                 }
                 if let Some(source) = diagnostic.source.as_ref() {
-                    markdown.push_str(&Markdown::escape(&source));
+                    markdown.push_str(&Markdown::escape(source));
                 }
                 if diagnostic.source.is_some() && diagnostic.code.is_some() {
                     markdown.push(' ');
@@ -287,15 +287,13 @@ impl DiagnosticBlock {
                     }
                 }
             }
-        } else {
-            if let Some(diagnostic) = editor
-                .snapshot(window, cx)
-                .buffer_snapshot
-                .diagnostic_group(buffer_id, group_id)
-                .nth(ix)
-            {
-                Self::jump_to(editor, diagnostic.range, window, cx)
-            }
+        } else if let Some(diagnostic) = editor
+            .snapshot(window, cx)
+            .buffer_snapshot
+            .diagnostic_group(buffer_id, group_id)
+            .nth(ix)
+        {
+            Self::jump_to(editor, diagnostic.range, window, cx)
         };
     }
 
@@ -306,7 +304,7 @@ impl DiagnosticBlock {
         cx: &mut Context<Editor>,
     ) {
         let snapshot = &editor.buffer().read(cx).snapshot(cx);
-        let range = range.start.to_offset(&snapshot)..range.end.to_offset(&snapshot);
+        let range = range.start.to_offset(snapshot)..range.end.to_offset(snapshot);
 
         editor.unfold_ranges(&[range.start..range.end], true, false, cx);
         editor.change_selections(Default::default(), window, cx, |s| {
diff --git a/crates/diagnostics/src/diagnostics.rs b/crates/diagnostics/src/diagnostics.rs
index ba64ba0eed..1c27e820a0 100644
--- a/crates/diagnostics/src/diagnostics.rs
+++ b/crates/diagnostics/src/diagnostics.rs
@@ -13,7 +13,6 @@ use editor::{
     DEFAULT_MULTIBUFFER_CONTEXT, Editor, EditorEvent, ExcerptRange, MultiBuffer, PathKey,
     display_map::{BlockPlacement, BlockProperties, BlockStyle, CustomBlockId},
 };
-use futures::future::join_all;
 use gpui::{
     AnyElement, AnyView, App, AsyncApp, Context, Entity, EventEmitter, FocusHandle, Focusable,
     Global, InteractiveElement, IntoElement, ParentElement, Render, SharedString, Styled,
@@ -24,7 +23,6 @@ use language::{
 };
 use project::{
     DiagnosticSummary, Project, ProjectPath,
-    lsp_store::rust_analyzer_ext::{cancel_flycheck, run_flycheck},
     project_settings::{DiagnosticSeverity, ProjectSettings},
 };
 use settings::Settings;
@@ -79,17 +77,10 @@ pub(crate) struct ProjectDiagnosticsEditor {
     paths_to_update: BTreeSet<ProjectPath>,
     include_warnings: bool,
     update_excerpts_task: Option<Task<Result<()>>>,
-    cargo_diagnostics_fetch: CargoDiagnosticsFetchState,
     diagnostic_summary_update: Task<()>,
     _subscription: Subscription,
 }
 
-struct CargoDiagnosticsFetchState {
-    fetch_task: Option<Task<()>>,
-    cancel_task: Option<Task<()>>,
-    diagnostic_sources: Arc<Vec<ProjectPath>>,
-}
-
 impl EventEmitter<EditorEvent> for ProjectDiagnosticsEditor {}
 
 const DIAGNOSTICS_UPDATE_DELAY: Duration = Duration::from_millis(50);
@@ -177,9 +168,9 @@ impl ProjectDiagnosticsEditor {
                 }
                 project::Event::DiagnosticsUpdated {
                     language_server_id,
-                    path,
+                    paths,
                 } => {
-                    this.paths_to_update.insert(path.clone());
+                    this.paths_to_update.extend(paths.clone());
                     let project = project.clone();
                     this.diagnostic_summary_update = cx.spawn(async move |this, cx| {
                         cx.background_executor()
@@ -193,9 +184,9 @@ impl ProjectDiagnosticsEditor {
                     cx.emit(EditorEvent::TitleChanged);
 
                     if this.editor.focus_handle(cx).contains_focused(window, cx) || this.focus_handle.contains_focused(window, cx) {
-                        log::debug!("diagnostics updated for server {language_server_id}, path {path:?}. recording change");
+                        log::debug!("diagnostics updated for server {language_server_id}, paths {paths:?}. recording change");
                     } else {
-                        log::debug!("diagnostics updated for server {language_server_id}, path {path:?}. updating excerpts");
+                        log::debug!("diagnostics updated for server {language_server_id}, paths {paths:?}. updating excerpts");
                         this.update_stale_excerpts(window, cx);
                     }
                 }
@@ -260,11 +251,7 @@ impl ProjectDiagnosticsEditor {
                 )
             });
             this.diagnostics.clear();
-            this.update_all_diagnostics(false, window, cx);
-        })
-        .detach();
-        cx.observe_release(&cx.entity(), |editor, _, cx| {
-            editor.stop_cargo_diagnostics_fetch(cx);
+            this.update_all_excerpts(window, cx);
         })
         .detach();
 
@@ -281,15 +268,10 @@ impl ProjectDiagnosticsEditor {
             editor,
             paths_to_update: Default::default(),
             update_excerpts_task: None,
-            cargo_diagnostics_fetch: CargoDiagnosticsFetchState {
-                fetch_task: None,
-                cancel_task: None,
-                diagnostic_sources: Arc::new(Vec::new()),
-            },
             diagnostic_summary_update: Task::ready(()),
             _subscription: project_event_subscription,
         };
-        this.update_all_diagnostics(true, window, cx);
+        this.update_all_excerpts(window, cx);
         this
     }
 
@@ -373,22 +355,10 @@ impl ProjectDiagnosticsEditor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        let fetch_cargo_diagnostics = ProjectSettings::get_global(cx)
-            .diagnostics
-            .fetch_cargo_diagnostics();
-
-        if fetch_cargo_diagnostics {
-            if self.cargo_diagnostics_fetch.fetch_task.is_some() {
-                self.stop_cargo_diagnostics_fetch(cx);
-            } else {
-                self.update_all_diagnostics(false, window, cx);
-            }
+        if self.update_excerpts_task.is_some() {
+            self.update_excerpts_task = None;
         } else {
-            if self.update_excerpts_task.is_some() {
-                self.update_excerpts_task = None;
-            } else {
-                self.update_all_diagnostics(false, window, cx);
-            }
+            self.update_all_excerpts(window, cx);
         }
         cx.notify();
     }
@@ -406,73 +376,6 @@ impl ProjectDiagnosticsEditor {
         }
     }
 
-    fn update_all_diagnostics(
-        &mut self,
-        first_launch: bool,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) {
-        let cargo_diagnostics_sources = self.cargo_diagnostics_sources(cx);
-        if cargo_diagnostics_sources.is_empty() {
-            self.update_all_excerpts(window, cx);
-        } else if first_launch && !self.summary.is_empty() {
-            self.update_all_excerpts(window, cx);
-        } else {
-            self.fetch_cargo_diagnostics(Arc::new(cargo_diagnostics_sources), cx);
-        }
-    }
-
-    fn fetch_cargo_diagnostics(
-        &mut self,
-        diagnostics_sources: Arc<Vec<ProjectPath>>,
-        cx: &mut Context<Self>,
-    ) {
-        let project = self.project.clone();
-        self.cargo_diagnostics_fetch.cancel_task = None;
-        self.cargo_diagnostics_fetch.fetch_task = None;
-        self.cargo_diagnostics_fetch.diagnostic_sources = diagnostics_sources.clone();
-        if self.cargo_diagnostics_fetch.diagnostic_sources.is_empty() {
-            return;
-        }
-
-        self.cargo_diagnostics_fetch.fetch_task = Some(cx.spawn(async move |editor, cx| {
-            let mut fetch_tasks = Vec::new();
-            for buffer_path in diagnostics_sources.iter().cloned() {
-                if cx
-                    .update(|cx| {
-                        fetch_tasks.push(run_flycheck(project.clone(), buffer_path, cx));
-                    })
-                    .is_err()
-                {
-                    break;
-                }
-            }
-
-            let _ = join_all(fetch_tasks).await;
-            editor
-                .update(cx, |editor, _| {
-                    editor.cargo_diagnostics_fetch.fetch_task = None;
-                })
-                .ok();
-        }));
-    }
-
-    fn stop_cargo_diagnostics_fetch(&mut self, cx: &mut App) {
-        self.cargo_diagnostics_fetch.fetch_task = None;
-        let mut cancel_gasks = Vec::new();
-        for buffer_path in std::mem::take(&mut self.cargo_diagnostics_fetch.diagnostic_sources)
-            .iter()
-            .cloned()
-        {
-            cancel_gasks.push(cancel_flycheck(self.project.clone(), buffer_path, cx));
-        }
-
-        self.cargo_diagnostics_fetch.cancel_task = Some(cx.background_spawn(async move {
-            let _ = join_all(cancel_gasks).await;
-            log::info!("Finished fetching cargo diagnostics");
-        }));
-    }
-
     /// Enqueue an update of all excerpts. Updates all paths that either
     /// currently have diagnostics or are currently present in this view.
     fn update_all_excerpts(&mut self, window: &mut Window, cx: &mut Context<Self>) {
@@ -528,7 +431,7 @@ impl ProjectDiagnosticsEditor {
             lsp::DiagnosticSeverity::ERROR
         };
 
-        cx.spawn_in(window, async move |this, mut cx| {
+        cx.spawn_in(window, async move |this, cx| {
             let diagnostics = buffer_snapshot
                 .diagnostics_in_range::<_, text::Anchor>(
                     Point::zero()..buffer_snapshot.max_point(),
@@ -542,7 +445,7 @@ impl ProjectDiagnosticsEditor {
                     return true;
                 }
                 this.diagnostics.insert(buffer_id, diagnostics.clone());
-                return false;
+                false
             })?;
             if unchanged {
                 return Ok(());
@@ -595,7 +498,7 @@ impl ProjectDiagnosticsEditor {
                     b.initial_range.clone(),
                     DEFAULT_MULTIBUFFER_CONTEXT,
                     buffer_snapshot.clone(),
-                    &mut cx,
+                    cx,
                 )
                 .await;
                 let i = excerpt_ranges
@@ -639,17 +542,15 @@ impl ProjectDiagnosticsEditor {
                 #[cfg(test)]
                 let cloned_blocks = blocks.clone();
 
-                if was_empty {
-                    if let Some(anchor_range) = anchor_ranges.first() {
-                        let range_to_select = anchor_range.start..anchor_range.start;
-                        this.editor.update(cx, |editor, cx| {
-                            editor.change_selections(Default::default(), window, cx, |s| {
-                                s.select_anchor_ranges([range_to_select]);
-                            })
-                        });
-                        if this.focus_handle.is_focused(window) {
-                            this.editor.read(cx).focus_handle(cx).focus(window);
-                        }
+                if was_empty && let Some(anchor_range) = anchor_ranges.first() {
+                    let range_to_select = anchor_range.start..anchor_range.start;
+                    this.editor.update(cx, |editor, cx| {
+                        editor.change_selections(Default::default(), window, cx, |s| {
+                            s.select_anchor_ranges([range_to_select]);
+                        })
+                    });
+                    if this.focus_handle.is_focused(window) {
+                        this.editor.read(cx).focus_handle(cx).focus(window);
                     }
                 }
 
@@ -699,30 +600,6 @@ impl ProjectDiagnosticsEditor {
             })
         })
     }
-
-    pub fn cargo_diagnostics_sources(&self, cx: &App) -> Vec<ProjectPath> {
-        let fetch_cargo_diagnostics = ProjectSettings::get_global(cx)
-            .diagnostics
-            .fetch_cargo_diagnostics();
-        if !fetch_cargo_diagnostics {
-            return Vec::new();
-        }
-        self.project
-            .read(cx)
-            .worktrees(cx)
-            .filter_map(|worktree| {
-                let _cargo_toml_entry = worktree.read(cx).entry_for_path("Cargo.toml")?;
-                let rust_file_entry = worktree.read(cx).entries(false, 0).find(|entry| {
-                    entry
-                        .path
-                        .extension()
-                        .and_then(|extension| extension.to_str())
-                        == Some("rs")
-                })?;
-                self.project.read(cx).path_for_entry(rust_file_entry.id, cx)
-            })
-            .collect()
-    }
 }
 
 impl Focusable for ProjectDiagnosticsEditor {
@@ -980,18 +857,16 @@ async fn heuristic_syntactic_expand(
         // Remove blank lines from start and end
         if let Some(start_row) = (outline_range.start.row..outline_range.end.row)
             .find(|row| !snapshot.line_indent_for_row(*row).is_line_blank())
-        {
-            if let Some(end_row) = (outline_range.start.row..outline_range.end.row + 1)
+            && let Some(end_row) = (outline_range.start.row..outline_range.end.row + 1)
                 .rev()
                 .find(|row| !snapshot.line_indent_for_row(*row).is_line_blank())
-            {
-                let row_count = end_row.saturating_sub(start_row);
-                if row_count <= max_row_count {
-                    return Some(RangeInclusive::new(
-                        outline_range.start.row,
-                        outline_range.end.row,
-                    ));
-                }
+        {
+            let row_count = end_row.saturating_sub(start_row);
+            if row_count <= max_row_count {
+                return Some(RangeInclusive::new(
+                    outline_range.start.row,
+                    outline_range.end.row,
+                ));
             }
         }
     }
diff --git a/crates/diagnostics/src/diagnostics_tests.rs b/crates/diagnostics/src/diagnostics_tests.rs
index 1364aaf853..4a544f9ea7 100644
--- a/crates/diagnostics/src/diagnostics_tests.rs
+++ b/crates/diagnostics/src/diagnostics_tests.rs
@@ -862,7 +862,7 @@ async fn test_random_diagnostics_with_inlays(cx: &mut TestAppContext, mut rng: S
             21..=50 => mutated_diagnostics.update_in(cx, |diagnostics, window, cx| {
                 diagnostics.editor.update(cx, |editor, cx| {
                     let snapshot = editor.snapshot(window, cx);
-                    if snapshot.buffer_snapshot.len() > 0 {
+                    if !snapshot.buffer_snapshot.is_empty() {
                         let position = rng.gen_range(0..snapshot.buffer_snapshot.len());
                         let position = snapshot.buffer_snapshot.clip_offset(position, Bias::Left);
                         log::info!(
@@ -873,10 +873,10 @@ async fn test_random_diagnostics_with_inlays(cx: &mut TestAppContext, mut rng: S
 
                         editor.splice_inlays(
                             &[],
-                            vec![Inlay::inline_completion(
+                            vec![Inlay::edit_prediction(
                                 post_inc(&mut next_inlay_id),
                                 snapshot.buffer_snapshot.anchor_before(position),
-                                format!("Test inlay {next_inlay_id}"),
+                                Rope::from_iter(["Test inlay ", "next_inlay_id"]),
                             )],
                             cx,
                         );
@@ -971,7 +971,7 @@ async fn active_diagnostics_dismiss_after_invalidation(cx: &mut TestAppContext)
 
     let mut cx = EditorTestContext::new(cx).await;
     let lsp_store =
-        cx.update_editor(|editor, _, cx| editor.project.as_ref().unwrap().read(cx).lsp_store());
+        cx.update_editor(|editor, _, cx| editor.project().unwrap().read(cx).lsp_store());
 
     cx.set_state(indoc! {"
         ˇfn func(abc def: i32) -> u32 {
@@ -1065,7 +1065,7 @@ async fn cycle_through_same_place_diagnostics(cx: &mut TestAppContext) {
 
     let mut cx = EditorTestContext::new(cx).await;
     let lsp_store =
-        cx.update_editor(|editor, _, cx| editor.project.as_ref().unwrap().read(cx).lsp_store());
+        cx.update_editor(|editor, _, cx| editor.project().unwrap().read(cx).lsp_store());
 
     cx.set_state(indoc! {"
         ˇfn func(abc def: i32) -> u32 {
@@ -1239,7 +1239,7 @@ async fn test_diagnostics_with_links(cx: &mut TestAppContext) {
         }
     "});
     let lsp_store =
-        cx.update_editor(|editor, _, cx| editor.project.as_ref().unwrap().read(cx).lsp_store());
+        cx.update_editor(|editor, _, cx| editor.project().unwrap().read(cx).lsp_store());
 
     cx.update(|_, cx| {
         lsp_store.update(cx, |lsp_store, cx| {
@@ -1293,7 +1293,7 @@ async fn test_hover_diagnostic_and_info_popovers(cx: &mut gpui::TestAppContext)
         fn «test»() { println!(); }
     "});
     let lsp_store =
-        cx.update_editor(|editor, _, cx| editor.project.as_ref().unwrap().read(cx).lsp_store());
+        cx.update_editor(|editor, _, cx| editor.project().unwrap().read(cx).lsp_store());
     cx.update(|_, cx| {
         lsp_store.update(cx, |lsp_store, cx| {
             lsp_store.update_diagnostics(
@@ -1450,7 +1450,7 @@ async fn go_to_diagnostic_with_severity(cx: &mut TestAppContext) {
 
     let mut cx = EditorTestContext::new(cx).await;
     let lsp_store =
-        cx.update_editor(|editor, _, cx| editor.project.as_ref().unwrap().read(cx).lsp_store());
+        cx.update_editor(|editor, _, cx| editor.project().unwrap().read(cx).lsp_store());
 
     cx.set_state(indoc! {"error warning info hiˇnt"});
 
diff --git a/crates/diagnostics/src/toolbar_controls.rs b/crates/diagnostics/src/toolbar_controls.rs
index 9a7dcbe62f..404db39164 100644
--- a/crates/diagnostics/src/toolbar_controls.rs
+++ b/crates/diagnostics/src/toolbar_controls.rs
@@ -1,5 +1,3 @@
-use std::sync::Arc;
-
 use crate::{ProjectDiagnosticsEditor, ToggleDiagnosticsRefresh};
 use gpui::{Context, Entity, EventEmitter, ParentElement, Render, WeakEntity, Window};
 use ui::prelude::*;
@@ -15,26 +13,18 @@ impl Render for ToolbarControls {
         let mut include_warnings = false;
         let mut has_stale_excerpts = false;
         let mut is_updating = false;
-        let cargo_diagnostics_sources = Arc::new(self.diagnostics().map_or(Vec::new(), |editor| {
-            editor.read(cx).cargo_diagnostics_sources(cx)
-        }));
-        let fetch_cargo_diagnostics = !cargo_diagnostics_sources.is_empty();
 
         if let Some(editor) = self.diagnostics() {
             let diagnostics = editor.read(cx);
             include_warnings = diagnostics.include_warnings;
             has_stale_excerpts = !diagnostics.paths_to_update.is_empty();
-            is_updating = if fetch_cargo_diagnostics {
-                diagnostics.cargo_diagnostics_fetch.fetch_task.is_some()
-            } else {
-                diagnostics.update_excerpts_task.is_some()
-                    || diagnostics
-                        .project
-                        .read(cx)
-                        .language_servers_running_disk_based_diagnostics(cx)
-                        .next()
-                        .is_some()
-            };
+            is_updating = diagnostics.update_excerpts_task.is_some()
+                || diagnostics
+                    .project
+                    .read(cx)
+                    .language_servers_running_disk_based_diagnostics(cx)
+                    .next()
+                    .is_some();
         }
 
         let tooltip = if include_warnings {
@@ -54,7 +44,7 @@ impl Render for ToolbarControls {
             .map(|div| {
                 if is_updating {
                     div.child(
-                        IconButton::new("stop-updating", IconName::StopFilled)
+                        IconButton::new("stop-updating", IconName::Stop)
                             .icon_color(Color::Info)
                             .shape(IconButtonShape::Square)
                             .tooltip(Tooltip::for_action_title(
@@ -64,7 +54,6 @@ impl Render for ToolbarControls {
                             .on_click(cx.listener(move |toolbar_controls, _, _, cx| {
                                 if let Some(diagnostics) = toolbar_controls.diagnostics() {
                                     diagnostics.update(cx, |diagnostics, cx| {
-                                        diagnostics.stop_cargo_diagnostics_fetch(cx);
                                         diagnostics.update_excerpts_task = None;
                                         cx.notify();
                                     });
@@ -73,10 +62,10 @@ impl Render for ToolbarControls {
                     )
                 } else {
                     div.child(
-                        IconButton::new("refresh-diagnostics", IconName::Update)
+                        IconButton::new("refresh-diagnostics", IconName::ArrowCircle)
                             .icon_color(Color::Info)
                             .shape(IconButtonShape::Square)
-                            .disabled(!has_stale_excerpts && !fetch_cargo_diagnostics)
+                            .disabled(!has_stale_excerpts)
                             .tooltip(Tooltip::for_action_title(
                                 "Refresh diagnostics",
                                 &ToggleDiagnosticsRefresh,
@@ -84,17 +73,8 @@ impl Render for ToolbarControls {
                             .on_click(cx.listener({
                                 move |toolbar_controls, _, window, cx| {
                                     if let Some(diagnostics) = toolbar_controls.diagnostics() {
-                                        let cargo_diagnostics_sources =
-                                            Arc::clone(&cargo_diagnostics_sources);
                                         diagnostics.update(cx, move |diagnostics, cx| {
-                                            if fetch_cargo_diagnostics {
-                                                diagnostics.fetch_cargo_diagnostics(
-                                                    cargo_diagnostics_sources,
-                                                    cx,
-                                                );
-                                            } else {
-                                                diagnostics.update_all_excerpts(window, cx);
-                                            }
+                                            diagnostics.update_all_excerpts(window, cx);
                                         });
                                     }
                                 }
diff --git a/crates/docs_preprocessor/src/main.rs b/crates/docs_preprocessor/src/main.rs
index 1448f4cb52..c900eb692a 100644
--- a/crates/docs_preprocessor/src/main.rs
+++ b/crates/docs_preprocessor/src/main.rs
@@ -8,7 +8,7 @@ use std::borrow::Cow;
 use std::collections::{HashMap, HashSet};
 use std::io::{self, Read};
 use std::process;
-use std::sync::LazyLock;
+use std::sync::{LazyLock, OnceLock};
 use util::paths::PathExt;
 
 static KEYMAP_MACOS: LazyLock<KeymapFile> = LazyLock::new(|| {
@@ -21,7 +21,7 @@ static KEYMAP_LINUX: LazyLock<KeymapFile> = LazyLock::new(|| {
 
 static ALL_ACTIONS: LazyLock<Vec<ActionDef>> = LazyLock::new(dump_all_gpui_actions);
 
-const FRONT_MATTER_COMMENT: &'static str = "<!-- ZED_META {} -->";
+const FRONT_MATTER_COMMENT: &str = "<!-- ZED_META {} -->";
 
 fn main() -> Result<()> {
     zlog::init();
@@ -61,15 +61,13 @@ impl PreprocessorError {
             for alias in action.deprecated_aliases {
                 if alias == &action_name {
                     return PreprocessorError::DeprecatedActionUsed {
-                        used: action_name.clone(),
+                        used: action_name,
                         should_be: action.name.to_string(),
                     };
                 }
             }
         }
-        PreprocessorError::ActionNotFound {
-            action_name: action_name.to_string(),
-        }
+        PreprocessorError::ActionNotFound { action_name }
     }
 }
 
@@ -101,12 +99,13 @@ fn handle_preprocessing() -> Result<()> {
     let mut errors = HashSet::<PreprocessorError>::new();
 
     handle_frontmatter(&mut book, &mut errors);
+    template_big_table_of_actions(&mut book);
     template_and_validate_keybindings(&mut book, &mut errors);
     template_and_validate_actions(&mut book, &mut errors);
 
     if !errors.is_empty() {
-        const ANSI_RED: &'static str = "\x1b[31m";
-        const ANSI_RESET: &'static str = "\x1b[0m";
+        const ANSI_RED: &str = "\x1b[31m";
+        const ANSI_RESET: &str = "\x1b[0m";
         for error in &errors {
             eprintln!("{ANSI_RED}ERROR{ANSI_RESET}: {}", error);
         }
@@ -129,7 +128,7 @@ fn handle_frontmatter(book: &mut Book, errors: &mut HashSet<PreprocessorError>)
                 let Some((name, value)) = line.split_once(':') else {
                     errors.insert(PreprocessorError::InvalidFrontmatterLine(format!(
                         "{}: {}",
-                        chapter_breadcrumbs(&chapter),
+                        chapter_breadcrumbs(chapter),
                         line
                     )));
                     continue;
@@ -143,11 +142,20 @@ fn handle_frontmatter(book: &mut Book, errors: &mut HashSet<PreprocessorError>)
                 &serde_json::to_string(&metadata).expect("Failed to serialize metadata"),
             )
         });
-        match new_content {
-            Cow::Owned(content) => {
-                chapter.content = content;
-            }
-            Cow::Borrowed(_) => {}
+        if let Cow::Owned(content) = new_content {
+            chapter.content = content;
+        }
+    });
+}
+
+fn template_big_table_of_actions(book: &mut Book) {
+    for_each_chapter_mut(book, |chapter| {
+        let needle = "{#ACTIONS_TABLE#}";
+        if let Some(start) = chapter.content.rfind(needle) {
+            chapter.content.replace_range(
+                start..start + needle.len(),
+                &generate_big_table_of_actions(),
+            );
         }
     });
 }
@@ -282,6 +290,7 @@ struct ActionDef {
     name: &'static str,
     human_name: String,
     deprecated_aliases: &'static [&'static str],
+    docs: Option<&'static str>,
 }
 
 fn dump_all_gpui_actions() -> Vec<ActionDef> {
@@ -290,12 +299,13 @@ fn dump_all_gpui_actions() -> Vec<ActionDef> {
             name: action.name,
             human_name: command_palette::humanize_action_name(action.name),
             deprecated_aliases: action.deprecated_aliases,
+            docs: action.documentation,
         })
         .collect::<Vec<ActionDef>>();
 
     actions.sort_by_key(|a| a.name);
 
-    return actions;
+    actions
 }
 
 fn handle_postprocessing() -> Result<()> {
@@ -388,7 +398,7 @@ fn handle_postprocessing() -> Result<()> {
         let meta_title = format!("{} | {}", page_title, meta_title);
         zlog::trace!(logger => "Updating {:?}", pretty_path(&file, &root_dir));
         let contents = contents.replace("#description#", meta_description);
-        let contents = TITLE_REGEX
+        let contents = title_regex()
             .replace(&contents, |_: &regex::Captures| {
                 format!("<title>{}</title>", meta_title)
             })
@@ -402,21 +412,75 @@ fn handle_postprocessing() -> Result<()> {
         path: &'a std::path::PathBuf,
         root: &'a std::path::PathBuf,
     ) -> &'a std::path::Path {
-        &path.strip_prefix(&root).unwrap_or(&path)
+        path.strip_prefix(&root).unwrap_or(path)
     }
-    const TITLE_REGEX: std::cell::LazyCell<Regex> =
-        std::cell::LazyCell::new(|| Regex::new(r"<title>\s*(.*?)\s*</title>").unwrap());
     fn extract_title_from_page(contents: &str, pretty_path: &std::path::Path) -> String {
-        let title_tag_contents = &TITLE_REGEX
-            .captures(&contents)
+        let title_tag_contents = &title_regex()
+            .captures(contents)
             .with_context(|| format!("Failed to find title in {:?}", pretty_path))
             .expect("Page has <title> element")[1];
-        let title = title_tag_contents
+
+        title_tag_contents
             .trim()
             .strip_suffix("- Zed")
             .unwrap_or(title_tag_contents)
             .trim()
-            .to_string();
-        title
+            .to_string()
     }
 }
+
+fn title_regex() -> &'static Regex {
+    static TITLE_REGEX: OnceLock<Regex> = OnceLock::new();
+    TITLE_REGEX.get_or_init(|| Regex::new(r"<title>\s*(.*?)\s*</title>").unwrap())
+}
+
+fn generate_big_table_of_actions() -> String {
+    let actions = &*ALL_ACTIONS;
+    let mut output = String::new();
+
+    let mut actions_sorted = actions.iter().collect::<Vec<_>>();
+    actions_sorted.sort_by_key(|a| a.name);
+
+    // Start the definition list with custom styling for better spacing
+    output.push_str("<dl style=\"line-height: 1.8;\">\n");
+
+    for action in actions_sorted.into_iter() {
+        // Add the humanized action name as the term with margin
+        output.push_str(
+            "<dt style=\"margin-top: 1.5em; margin-bottom: 0.5em; font-weight: bold;\"><code>",
+        );
+        output.push_str(&action.human_name);
+        output.push_str("</code></dt>\n");
+
+        // Add the definition with keymap name and description
+        output.push_str("<dd style=\"margin-left: 2em; margin-bottom: 1em;\">\n");
+
+        // Add the description, escaping HTML if needed
+        if let Some(description) = action.docs {
+            output.push_str(
+                &description
+                    .replace("&", "&amp;")
+                    .replace("<", "&lt;")
+                    .replace(">", "&gt;"),
+            );
+            output.push_str("<br>\n");
+        }
+        output.push_str("Keymap Name: <code>");
+        output.push_str(action.name);
+        output.push_str("</code><br>\n");
+        if !action.deprecated_aliases.is_empty() {
+            output.push_str("Deprecated Aliases:");
+            for alias in action.deprecated_aliases.iter() {
+                output.push_str("<code>");
+                output.push_str(alias);
+                output.push_str("</code>, ");
+            }
+        }
+        output.push_str("\n</dd>\n");
+    }
+
+    // Close the definition list
+    output.push_str("</dl>\n");
+
+    output
+}
diff --git a/crates/inline_completion/Cargo.toml b/crates/edit_prediction/Cargo.toml
similarity index 82%
rename from crates/inline_completion/Cargo.toml
rename to crates/edit_prediction/Cargo.toml
index 3a90875def..81c1e5dec2 100644
--- a/crates/inline_completion/Cargo.toml
+++ b/crates/edit_prediction/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "inline_completion"
+name = "edit_prediction"
 version = "0.1.0"
 edition.workspace = true
 publish.workspace = true
@@ -9,7 +9,7 @@ license = "GPL-3.0-or-later"
 workspace = true
 
 [lib]
-path = "src/inline_completion.rs"
+path = "src/edit_prediction.rs"
 
 [dependencies]
 client.workspace = true
diff --git a/crates/edit_prediction/LICENSE-GPL b/crates/edit_prediction/LICENSE-GPL
new file mode 120000
index 0000000000..89e542f750
--- /dev/null
+++ b/crates/edit_prediction/LICENSE-GPL
@@ -0,0 +1 @@
+../../LICENSE-GPL
\ No newline at end of file
diff --git a/crates/inline_completion/src/inline_completion.rs b/crates/edit_prediction/src/edit_prediction.rs
similarity index 90%
rename from crates/inline_completion/src/inline_completion.rs
rename to crates/edit_prediction/src/edit_prediction.rs
index c8f35bf16a..6b695af1ae 100644
--- a/crates/inline_completion/src/inline_completion.rs
+++ b/crates/edit_prediction/src/edit_prediction.rs
@@ -7,7 +7,7 @@ use project::Project;
 
 // TODO: Find a better home for `Direction`.
 //
-// This should live in an ancestor crate of `editor` and `inline_completion`,
+// This should live in an ancestor crate of `editor` and `edit_prediction`,
 // but at time of writing there isn't an obvious spot.
 #[derive(Copy, Clone, PartialEq, Eq)]
 pub enum Direction {
@@ -16,7 +16,7 @@ pub enum Direction {
 }
 
 #[derive(Clone)]
-pub struct InlineCompletion {
+pub struct EditPrediction {
     /// The ID of the completion, if it has one.
     pub id: Option<SharedString>,
     pub edits: Vec<(Range<language::Anchor>, String)>,
@@ -34,7 +34,7 @@ pub enum DataCollectionState {
 
 impl DataCollectionState {
     pub fn is_supported(&self) -> bool {
-        !matches!(self, DataCollectionState::Unsupported { .. })
+        !matches!(self, DataCollectionState::Unsupported)
     }
 
     pub fn is_enabled(&self) -> bool {
@@ -61,6 +61,10 @@ pub trait EditPredictionProvider: 'static + Sized {
     fn show_tab_accept_marker() -> bool {
         false
     }
+    fn supports_jump_to_edit() -> bool {
+        true
+    }
+
     fn data_collection_state(&self, _cx: &App) -> DataCollectionState {
         DataCollectionState::Unsupported
     }
@@ -85,9 +89,6 @@ pub trait EditPredictionProvider: 'static + Sized {
         debounce: bool,
         cx: &mut Context<Self>,
     );
-    fn needs_terms_acceptance(&self, _cx: &App) -> bool {
-        false
-    }
     fn cycle(
         &mut self,
         buffer: Entity<Buffer>,
@@ -102,10 +103,10 @@ pub trait EditPredictionProvider: 'static + Sized {
         buffer: &Entity<Buffer>,
         cursor_position: language::Anchor,
         cx: &mut Context<Self>,
-    ) -> Option<InlineCompletion>;
+    ) -> Option<EditPrediction>;
 }
 
-pub trait InlineCompletionProviderHandle {
+pub trait EditPredictionProviderHandle {
     fn name(&self) -> &'static str;
     fn display_name(&self) -> &'static str;
     fn is_enabled(
@@ -116,10 +117,10 @@ pub trait InlineCompletionProviderHandle {
     ) -> bool;
     fn show_completions_in_menu(&self) -> bool;
     fn show_tab_accept_marker(&self) -> bool;
+    fn supports_jump_to_edit(&self) -> bool;
     fn data_collection_state(&self, cx: &App) -> DataCollectionState;
     fn usage(&self, cx: &App) -> Option<EditPredictionUsage>;
     fn toggle_data_collection(&self, cx: &mut App);
-    fn needs_terms_acceptance(&self, cx: &App) -> bool;
     fn is_refreshing(&self, cx: &App) -> bool;
     fn refresh(
         &self,
@@ -143,10 +144,10 @@ pub trait InlineCompletionProviderHandle {
         buffer: &Entity<Buffer>,
         cursor_position: language::Anchor,
         cx: &mut App,
-    ) -> Option<InlineCompletion>;
+    ) -> Option<EditPrediction>;
 }
 
-impl<T> InlineCompletionProviderHandle for Entity<T>
+impl<T> EditPredictionProviderHandle for Entity<T>
 where
     T: EditPredictionProvider,
 {
@@ -166,6 +167,10 @@ where
         T::show_tab_accept_marker()
     }
 
+    fn supports_jump_to_edit(&self) -> bool {
+        T::supports_jump_to_edit()
+    }
+
     fn data_collection_state(&self, cx: &App) -> DataCollectionState {
         self.read(cx).data_collection_state(cx)
     }
@@ -187,10 +192,6 @@ where
         self.read(cx).is_enabled(buffer, cursor_position, cx)
     }
 
-    fn needs_terms_acceptance(&self, cx: &App) -> bool {
-        self.read(cx).needs_terms_acceptance(cx)
-    }
-
     fn is_refreshing(&self, cx: &App) -> bool {
         self.read(cx).is_refreshing()
     }
@@ -233,7 +234,7 @@ where
         buffer: &Entity<Buffer>,
         cursor_position: language::Anchor,
         cx: &mut App,
-    ) -> Option<InlineCompletion> {
+    ) -> Option<EditPrediction> {
         self.update(cx, |this, cx| this.suggest(buffer, cursor_position, cx))
     }
 }
diff --git a/crates/inline_completion_button/Cargo.toml b/crates/edit_prediction_button/Cargo.toml
similarity index 89%
rename from crates/inline_completion_button/Cargo.toml
rename to crates/edit_prediction_button/Cargo.toml
index b34e59336b..07447280fa 100644
--- a/crates/inline_completion_button/Cargo.toml
+++ b/crates/edit_prediction_button/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "inline_completion_button"
+name = "edit_prediction_button"
 version = "0.1.0"
 edition.workspace = true
 publish.workspace = true
@@ -9,7 +9,7 @@ license = "GPL-3.0-or-later"
 workspace = true
 
 [lib]
-path = "src/inline_completion_button.rs"
+path = "src/edit_prediction_button.rs"
 doctest = false
 
 [dependencies]
@@ -22,9 +22,10 @@ feature_flags.workspace = true
 fs.workspace = true
 gpui.workspace = true
 indoc.workspace = true
-inline_completion.workspace = true
+edit_prediction.workspace = true
 language.workspace = true
 paths.workspace = true
+project.workspace = true
 regex.workspace = true
 settings.workspace = true
 supermaven.workspace = true
diff --git a/crates/edit_prediction_button/LICENSE-GPL b/crates/edit_prediction_button/LICENSE-GPL
new file mode 120000
index 0000000000..89e542f750
--- /dev/null
+++ b/crates/edit_prediction_button/LICENSE-GPL
@@ -0,0 +1 @@
+../../LICENSE-GPL
\ No newline at end of file
diff --git a/crates/inline_completion_button/src/inline_completion_button.rs b/crates/edit_prediction_button/src/edit_prediction_button.rs
similarity index 94%
rename from crates/inline_completion_button/src/inline_completion_button.rs
rename to crates/edit_prediction_button/src/edit_prediction_button.rs
index 81d9181cfc..0e3fe8cb1a 100644
--- a/crates/inline_completion_button/src/inline_completion_button.rs
+++ b/crates/edit_prediction_button/src/edit_prediction_button.rs
@@ -1,12 +1,8 @@
 use anyhow::Result;
-use client::{DisableAiSettings, UserStore, zed_urls};
+use client::{UserStore, zed_urls};
 use cloud_llm_client::UsageLimit;
 use copilot::{Copilot, Status};
-use editor::{
-    Editor, SelectionEffects,
-    actions::{ShowEditPrediction, ToggleEditPrediction},
-    scroll::Autoscroll,
-};
+use editor::{Editor, SelectionEffects, actions::ShowEditPrediction, scroll::Autoscroll};
 use feature_flags::{FeatureFlagAppExt, PredictEditsRateCompletionsFeatureFlag};
 use fs::Fs;
 use gpui::{
@@ -19,6 +15,7 @@ use language::{
     EditPredictionsMode, File, Language,
     language_settings::{self, AllLanguageSettings, EditPredictionProvider, all_language_settings},
 };
+use project::DisableAiSettings;
 use regex::Regex;
 use settings::{Settings, SettingsStore, update_settings_file};
 use std::{
@@ -40,7 +37,7 @@ use zeta::RateCompletions;
 actions!(
     edit_prediction,
     [
-        /// Toggles the inline completion menu.
+        /// Toggles the edit prediction menu.
         ToggleMenu
     ]
 );
@@ -50,14 +47,14 @@ const PRIVACY_DOCS: &str = "https://zed.dev/docs/ai/privacy-and-security";
 
 struct CopilotErrorToast;
 
-pub struct InlineCompletionButton {
+pub struct EditPredictionButton {
     editor_subscription: Option<(Subscription, usize)>,
     editor_enabled: Option<bool>,
     editor_show_predictions: bool,
     editor_focus_handle: Option<FocusHandle>,
     language: Option<Arc<Language>>,
     file: Option<Arc<dyn File>>,
-    edit_prediction_provider: Option<Arc<dyn inline_completion::InlineCompletionProviderHandle>>,
+    edit_prediction_provider: Option<Arc<dyn edit_prediction::EditPredictionProviderHandle>>,
     fs: Arc<dyn Fs>,
     user_store: Entity<UserStore>,
     popover_menu_handle: PopoverMenuHandle<ContextMenu>,
@@ -70,7 +67,7 @@ enum SupermavenButtonStatus {
     Initializing,
 }
 
-impl Render for InlineCompletionButton {
+impl Render for EditPredictionButton {
     fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         // Return empty div if AI is disabled
         if DisableAiSettings::get_global(cx).disable_ai {
@@ -130,7 +127,7 @@ impl Render for InlineCompletionButton {
                             }),
                     );
                 }
-                let this = cx.entity().clone();
+                let this = cx.entity();
 
                 div().child(
                     PopoverMenu::new("copilot")
@@ -171,7 +168,7 @@ impl Render for InlineCompletionButton {
                         let account_status = agent.account_status.clone();
                         match account_status {
                             AccountStatus::NeedsActivation { activate_url } => {
-                                SupermavenButtonStatus::NeedsActivation(activate_url.clone())
+                                SupermavenButtonStatus::NeedsActivation(activate_url)
                             }
                             AccountStatus::Unknown => SupermavenButtonStatus::Initializing,
                             AccountStatus::Ready => SupermavenButtonStatus::Ready,
@@ -185,10 +182,10 @@ impl Render for InlineCompletionButton {
                 let icon = status.to_icon();
                 let tooltip_text = status.to_tooltip();
                 let has_menu = status.has_menu();
-                let this = cx.entity().clone();
+                let this = cx.entity();
                 let fs = self.fs.clone();
 
-                return div().child(
+                div().child(
                     PopoverMenu::new("supermaven")
                         .menu(move |window, cx| match &status {
                             SupermavenButtonStatus::NeedsActivation(activate_url) => {
@@ -233,7 +230,7 @@ impl Render for InlineCompletionButton {
                             },
                         )
                         .with_handle(self.popover_menu_handle.clone()),
-                );
+                )
             }
 
             EditPredictionProvider::Zed => {
@@ -245,13 +242,12 @@ impl Render for InlineCompletionButton {
                     IconName::ZedPredictDisabled
                 };
 
-                if zeta::should_show_upsell_modal(&self.user_store, cx) {
-                    let tooltip_meta =
-                        match self.user_store.read(cx).current_user_has_accepted_terms() {
-                            Some(true) => "Choose a Plan",
-                            Some(false) => "Accept the Terms of Service",
-                            None => "Sign In",
-                        };
+                if zeta::should_show_upsell_modal() {
+                    let tooltip_meta = if self.user_store.read(cx).current_user().is_some() {
+                        "Choose a Plan"
+                    } else {
+                        "Sign In"
+                    };
 
                     return div().child(
                         IconButton::new("zed-predict-pending-button", zeta_icon)
@@ -331,7 +327,7 @@ impl Render for InlineCompletionButton {
                         })
                     });
 
-                let this = cx.entity().clone();
+                let this = cx.entity();
 
                 let mut popover_menu = PopoverMenu::new("zeta")
                     .menu(move |window, cx| {
@@ -343,7 +339,7 @@ impl Render for InlineCompletionButton {
                 let is_refreshing = self
                     .edit_prediction_provider
                     .as_ref()
-                    .map_or(false, |provider| provider.is_refreshing(cx));
+                    .is_some_and(|provider| provider.is_refreshing(cx));
 
                 if is_refreshing {
                     popover_menu = popover_menu.trigger(
@@ -365,7 +361,7 @@ impl Render for InlineCompletionButton {
     }
 }
 
-impl InlineCompletionButton {
+impl EditPredictionButton {
     pub fn new(
         fs: Arc<dyn Fs>,
         user_store: Entity<UserStore>,
@@ -387,9 +383,9 @@ impl InlineCompletionButton {
             language: None,
             file: None,
             edit_prediction_provider: None,
+            user_store,
             popover_menu_handle,
             fs,
-            user_store,
         }
     }
 
@@ -437,9 +433,13 @@ impl InlineCompletionButton {
         if let Some(editor_focus_handle) = self.editor_focus_handle.clone() {
             let entry = ContextMenuEntry::new("This Buffer")
                 .toggleable(IconPosition::Start, self.editor_show_predictions)
-                .action(Box::new(ToggleEditPrediction))
+                .action(Box::new(editor::actions::ToggleEditPrediction))
                 .handler(move |window, cx| {
-                    editor_focus_handle.dispatch_action(&ToggleEditPrediction, window, cx);
+                    editor_focus_handle.dispatch_action(
+                        &editor::actions::ToggleEditPrediction,
+                        window,
+                        cx,
+                    );
                 });
 
             match language_state.clone() {
@@ -466,7 +466,7 @@ impl InlineCompletionButton {
                 IconPosition::Start,
                 None,
                 move |_, cx| {
-                    toggle_show_inline_completions_for_language(language.clone(), fs.clone(), cx)
+                    toggle_show_edit_predictions_for_language(language.clone(), fs.clone(), cx)
                 },
             );
         }
@@ -474,17 +474,25 @@ impl InlineCompletionButton {
         let settings = AllLanguageSettings::get_global(cx);
 
         let globally_enabled = settings.show_edit_predictions(None, cx);
-        menu = menu.toggleable_entry("All Files", globally_enabled, IconPosition::Start, None, {
-            let fs = fs.clone();
-            move |_, cx| toggle_inline_completions_globally(fs.clone(), cx)
-        });
+        let entry = ContextMenuEntry::new("All Files")
+            .toggleable(IconPosition::Start, globally_enabled)
+            .action(workspace::ToggleEditPrediction.boxed_clone())
+            .handler(|window, cx| {
+                window.dispatch_action(workspace::ToggleEditPrediction.boxed_clone(), cx)
+            });
+        menu = menu.item(entry);
 
         let provider = settings.edit_predictions.provider;
         let current_mode = settings.edit_predictions_mode();
         let subtle_mode = matches!(current_mode, EditPredictionsMode::Subtle);
         let eager_mode = matches!(current_mode, EditPredictionsMode::Eager);
 
-        if matches!(provider, EditPredictionProvider::Zed) {
+        if matches!(
+            provider,
+            EditPredictionProvider::Zed
+                | EditPredictionProvider::Copilot
+                | EditPredictionProvider::Supermaven
+        ) {
             menu = menu
                 .separator()
                 .header("Display Modes")
@@ -831,7 +839,7 @@ impl InlineCompletionButton {
     }
 }
 
-impl StatusItemView for InlineCompletionButton {
+impl StatusItemView for EditPredictionButton {
     fn set_active_pane_item(
         &mut self,
         item: Option<&dyn ItemHandle>,
@@ -901,7 +909,7 @@ async fn open_disabled_globs_setting_in_editor(
 
             let settings = cx.global::<SettingsStore>();
 
-            // Ensure that we always have "inline_completions { "disabled_globs": [] }"
+            // Ensure that we always have "edit_predictions { "disabled_globs": [] }"
             let edits = settings.edits_for_update::<AllLanguageSettings>(&text, |file| {
                 file.edit_predictions
                     .get_or_insert_with(Default::default)
@@ -939,13 +947,6 @@ async fn open_disabled_globs_setting_in_editor(
     anyhow::Ok(())
 }
 
-fn toggle_inline_completions_globally(fs: Arc<dyn Fs>, cx: &mut App) {
-    let show_edit_predictions = all_language_settings(None, cx).show_edit_predictions(None, cx);
-    update_settings_file::<AllLanguageSettings>(fs, cx, move |file, _| {
-        file.defaults.show_edit_predictions = Some(!show_edit_predictions)
-    });
-}
-
 fn set_completion_provider(fs: Arc<dyn Fs>, cx: &mut App, provider: EditPredictionProvider) {
     update_settings_file::<AllLanguageSettings>(fs, cx, move |file, _| {
         file.features
@@ -954,7 +955,7 @@ fn set_completion_provider(fs: Arc<dyn Fs>, cx: &mut App, provider: EditPredicti
     });
 }
 
-fn toggle_show_inline_completions_for_language(
+fn toggle_show_edit_predictions_for_language(
     language: Arc<Language>,
     fs: Arc<dyn Fs>,
     cx: &mut App,
diff --git a/crates/editor/Cargo.toml b/crates/editor/Cargo.toml
index ab2d1c8ecb..339f98ae8b 100644
--- a/crates/editor/Cargo.toml
+++ b/crates/editor/Cargo.toml
@@ -48,7 +48,7 @@ fs.workspace = true
 git.workspace = true
 gpui.workspace = true
 indoc.workspace = true
-inline_completion.workspace = true
+edit_prediction.workspace = true
 itertools.workspace = true
 language.workspace = true
 linkify.workspace = true
diff --git a/crates/editor/src/actions.rs b/crates/editor/src/actions.rs
index 1212651cb3..ce02c4d2bf 100644
--- a/crates/editor/src/actions.rs
+++ b/crates/editor/src/actions.rs
@@ -273,6 +273,16 @@ pub enum UuidVersion {
     V7,
 }
 
+/// Splits selection into individual lines.
+#[derive(PartialEq, Clone, Deserialize, Default, JsonSchema, Action)]
+#[action(namespace = editor)]
+#[serde(deny_unknown_fields)]
+pub struct SplitSelectionIntoLines {
+    /// Keep the text selected after splitting instead of collapsing to cursors.
+    #[serde(default)]
+    pub keep_selections: bool,
+}
+
 /// Goes to the next diagnostic in the file.
 #[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema, Action)]
 #[action(namespace = editor)]
@@ -315,9 +325,8 @@ actions!(
     [
         /// Accepts the full edit prediction.
         AcceptEditPrediction,
-        /// Accepts a partial Copilot suggestion.
-        AcceptPartialCopilotSuggestion,
         /// Accepts a partial edit prediction.
+        #[action(deprecated_aliases = ["editor::AcceptPartialCopilotSuggestion"])]
         AcceptPartialEditPrediction,
         /// Adds a cursor above the current selection.
         AddSelectionAbove,
@@ -673,8 +682,6 @@ actions!(
         SortLinesCaseInsensitive,
         /// Sorts selected lines case-sensitively.
         SortLinesCaseSensitive,
-        /// Splits selection into individual lines.
-        SplitSelectionIntoLines,
         /// Stops the language server for the current file.
         StopLanguageServer,
         /// Switches between source and header files.
@@ -746,5 +753,6 @@ actions!(
         UniqueLinesCaseInsensitive,
         /// Removes duplicate lines (case-sensitive).
         UniqueLinesCaseSensitive,
+        UnwrapSyntaxNode
     ]
 );
diff --git a/crates/editor/src/clangd_ext.rs b/crates/editor/src/clangd_ext.rs
index b745bf8c37..c78d4c83c0 100644
--- a/crates/editor/src/clangd_ext.rs
+++ b/crates/editor/src/clangd_ext.rs
@@ -13,7 +13,7 @@ use crate::{Editor, SwitchSourceHeader, element::register_action};
 use project::lsp_store::clangd_ext::CLANGD_SERVER_NAME;
 
 fn is_c_language(language: &Language) -> bool {
-    return language.name() == "C++".into() || language.name() == "C".into();
+    language.name() == "C++".into() || language.name() == "C".into()
 }
 
 pub fn switch_source_header(
@@ -29,16 +29,14 @@ pub fn switch_source_header(
         return;
     };
 
-    let server_lookup =
-        find_specific_language_server_in_selection(editor, cx, is_c_language, CLANGD_SERVER_NAME);
+    let Some((_, _, server_to_query, buffer)) =
+        find_specific_language_server_in_selection(editor, cx, is_c_language, CLANGD_SERVER_NAME)
+    else {
+        return;
+    };
     let project = project.clone();
     let upstream_client = project.read(cx).lsp_store().read(cx).upstream_client();
     cx.spawn_in(window, async move |_editor, cx| {
-        let Some((_, _, server_to_query, buffer)) =
-            server_lookup.await
-        else {
-            return Ok(());
-        };
         let source_file = buffer.read_with(cx, |buffer, _| {
             buffer.file().map(|file| file.path()).map(|path| path.to_string_lossy().to_string()).unwrap_or_else(|| "Unknown".to_string())
         })?;
@@ -106,6 +104,6 @@ pub fn apply_related_actions(editor: &Entity<Editor>, window: &mut Window, cx: &
         .filter_map(|buffer| buffer.read(cx).language())
         .any(|language| is_c_language(language))
     {
-        register_action(&editor, window, switch_source_header);
+        register_action(editor, window, switch_source_header);
     }
 }
diff --git a/crates/editor/src/code_completion_tests.rs b/crates/editor/src/code_completion_tests.rs
index fd8db29584..a1d9f04a9c 100644
--- a/crates/editor/src/code_completion_tests.rs
+++ b/crates/editor/src/code_completion_tests.rs
@@ -317,7 +317,7 @@ async fn filter_and_sort_matches(
     let candidates: Arc<[StringMatchCandidate]> = completions
         .iter()
         .enumerate()
-        .map(|(id, completion)| StringMatchCandidate::new(id, &completion.label.filter_text()))
+        .map(|(id, completion)| StringMatchCandidate::new(id, completion.label.filter_text()))
         .collect();
     let cancel_flag = Arc::new(AtomicBool::new(false));
     let background_executor = cx.executor();
@@ -331,5 +331,5 @@ async fn filter_and_sort_matches(
         background_executor,
     )
     .await;
-    CompletionsMenu::sort_string_matches(matches, Some(query), snippet_sort_order, &completions)
+    CompletionsMenu::sort_string_matches(matches, Some(query), snippet_sort_order, completions)
 }
diff --git a/crates/editor/src/code_context_menus.rs b/crates/editor/src/code_context_menus.rs
index 4ae2a14ca7..96809d6877 100644
--- a/crates/editor/src/code_context_menus.rs
+++ b/crates/editor/src/code_context_menus.rs
@@ -321,7 +321,7 @@ impl CompletionsMenu {
         let match_candidates = choices
             .iter()
             .enumerate()
-            .map(|(id, completion)| StringMatchCandidate::new(id, &completion))
+            .map(|(id, completion)| StringMatchCandidate::new(id, completion))
             .collect();
         let entries = choices
             .iter()
@@ -514,7 +514,7 @@ impl CompletionsMenu {
         // Expand the range to resolve more completions than are predicted to be visible, to reduce
         // jank on navigation.
         let entry_indices = util::expanded_and_wrapped_usize_range(
-            entry_range.clone(),
+            entry_range,
             RESOLVE_BEFORE_ITEMS,
             RESOLVE_AFTER_ITEMS,
             entries.len(),
@@ -1111,10 +1111,8 @@ impl CompletionsMenu {
             let query_start_doesnt_match_split_words = query_start_lower
                 .map(|query_char| {
                     !split_words(&string_match.string).any(|word| {
-                        word.chars()
-                            .next()
-                            .and_then(|c| c.to_lowercase().next())
-                            .map_or(false, |word_char| word_char == query_char)
+                        word.chars().next().and_then(|c| c.to_lowercase().next())
+                            == Some(query_char)
                     })
                 })
                 .unwrap_or(false);
diff --git a/crates/editor/src/display_map.rs b/crates/editor/src/display_map.rs
index 5425d5a8b9..c16e4a6ddb 100644
--- a/crates/editor/src/display_map.rs
+++ b/crates/editor/src/display_map.rs
@@ -635,7 +635,7 @@ pub(crate) struct Highlights<'a> {
 }
 
 #[derive(Clone, Copy, Debug)]
-pub struct InlineCompletionStyles {
+pub struct EditPredictionStyles {
     pub insertion: HighlightStyle,
     pub whitespace: HighlightStyle,
 }
@@ -643,7 +643,7 @@ pub struct InlineCompletionStyles {
 #[derive(Default, Debug, Clone, Copy)]
 pub struct HighlightStyles {
     pub inlay_hint: Option<HighlightStyle>,
-    pub inline_completion: Option<InlineCompletionStyles>,
+    pub edit_prediction: Option<EditPredictionStyles>,
 }
 
 #[derive(Clone)]
@@ -958,7 +958,7 @@ impl DisplaySnapshot {
             language_aware,
             HighlightStyles {
                 inlay_hint: Some(editor_style.inlay_hints_style),
-                inline_completion: Some(editor_style.inline_completion_styles),
+                edit_prediction: Some(editor_style.edit_prediction_styles),
             },
         )
         .flat_map(|chunk| {
@@ -969,13 +969,13 @@ impl DisplaySnapshot {
             if let Some(chunk_highlight) = chunk.highlight_style {
                 // For color inlays, blend the color with the editor background
                 let mut processed_highlight = chunk_highlight;
-                if chunk.is_inlay {
-                    if let Some(inlay_color) = chunk_highlight.color {
-                        // Only blend if the color has transparency (alpha < 1.0)
-                        if inlay_color.a < 1.0 {
-                            let blended_color = editor_style.background.blend(inlay_color);
-                            processed_highlight.color = Some(blended_color);
-                        }
+                if chunk.is_inlay
+                    && let Some(inlay_color) = chunk_highlight.color
+                {
+                    // Only blend if the color has transparency (alpha < 1.0)
+                    if inlay_color.a < 1.0 {
+                        let blended_color = editor_style.background.blend(inlay_color);
+                        processed_highlight.color = Some(blended_color);
                     }
                 }
 
@@ -991,7 +991,7 @@ impl DisplaySnapshot {
             if let Some(severity) = chunk.diagnostic_severity.filter(|severity| {
                 self.diagnostics_max_severity
                     .into_lsp()
-                    .map_or(false, |max_severity| severity <= &max_severity)
+                    .is_some_and(|max_severity| severity <= &max_severity)
             }) {
                 if chunk.is_unnecessary {
                     diagnostic_highlight.fade_out = Some(editor_style.unnecessary_code_fade);
@@ -2036,7 +2036,7 @@ pub mod tests {
         map.update(cx, |map, cx| {
             map.splice_inlays(
                 &[],
-                vec![Inlay::inline_completion(
+                vec![Inlay::edit_prediction(
                     0,
                     buffer_snapshot.anchor_after(0),
                     "\n",
@@ -2351,11 +2351,12 @@ pub mod tests {
                 .highlight_style
                 .and_then(|style| style.color)
                 .map_or(black, |color| color.to_rgb());
-            if let Some((last_chunk, last_severity, last_color)) = chunks.last_mut() {
-                if *last_severity == chunk.diagnostic_severity && *last_color == color {
-                    last_chunk.push_str(chunk.text);
-                    continue;
-                }
+            if let Some((last_chunk, last_severity, last_color)) = chunks.last_mut()
+                && *last_severity == chunk.diagnostic_severity
+                && *last_color == color
+            {
+                last_chunk.push_str(chunk.text);
+                continue;
             }
 
             chunks.push((chunk.text.to_string(), chunk.diagnostic_severity, color));
@@ -2901,11 +2902,12 @@ pub mod tests {
                 .syntax_highlight_id
                 .and_then(|id| id.style(theme)?.color);
             let highlight_color = chunk.highlight_style.and_then(|style| style.color);
-            if let Some((last_chunk, last_syntax_color, last_highlight_color)) = chunks.last_mut() {
-                if syntax_color == *last_syntax_color && highlight_color == *last_highlight_color {
-                    last_chunk.push_str(chunk.text);
-                    continue;
-                }
+            if let Some((last_chunk, last_syntax_color, last_highlight_color)) = chunks.last_mut()
+                && syntax_color == *last_syntax_color
+                && highlight_color == *last_highlight_color
+            {
+                last_chunk.push_str(chunk.text);
+                continue;
             }
             chunks.push((chunk.text.to_string(), syntax_color, highlight_color));
         }
diff --git a/crates/editor/src/display_map/block_map.rs b/crates/editor/src/display_map/block_map.rs
index 85495a2611..b073fe7be7 100644
--- a/crates/editor/src/display_map/block_map.rs
+++ b/crates/editor/src/display_map/block_map.rs
@@ -22,7 +22,7 @@ use std::{
         atomic::{AtomicUsize, Ordering::SeqCst},
     },
 };
-use sum_tree::{Bias, SumTree, Summary, TreeMap};
+use sum_tree::{Bias, Dimensions, SumTree, Summary, TreeMap};
 use text::{BufferId, Edit};
 use ui::ElementId;
 
@@ -290,7 +290,10 @@ pub enum Block {
     ExcerptBoundary {
         excerpt: ExcerptInfo,
         height: u32,
-        starts_new_buffer: bool,
+    },
+    BufferHeader {
+        excerpt: ExcerptInfo,
+        height: u32,
     },
 }
 
@@ -303,27 +306,37 @@ impl Block {
                 ..
             } => BlockId::ExcerptBoundary(next_excerpt.id),
             Block::FoldedBuffer { first_excerpt, .. } => BlockId::FoldedBuffer(first_excerpt.id),
+            Block::BufferHeader {
+                excerpt: next_excerpt,
+                ..
+            } => BlockId::ExcerptBoundary(next_excerpt.id),
         }
     }
 
     pub fn has_height(&self) -> bool {
         match self {
             Block::Custom(block) => block.height.is_some(),
-            Block::ExcerptBoundary { .. } | Block::FoldedBuffer { .. } => true,
+            Block::ExcerptBoundary { .. }
+            | Block::FoldedBuffer { .. }
+            | Block::BufferHeader { .. } => true,
         }
     }
 
     pub fn height(&self) -> u32 {
         match self {
             Block::Custom(block) => block.height.unwrap_or(0),
-            Block::ExcerptBoundary { height, .. } | Block::FoldedBuffer { height, .. } => *height,
+            Block::ExcerptBoundary { height, .. }
+            | Block::FoldedBuffer { height, .. }
+            | Block::BufferHeader { height, .. } => *height,
         }
     }
 
     pub fn style(&self) -> BlockStyle {
         match self {
             Block::Custom(block) => block.style,
-            Block::ExcerptBoundary { .. } | Block::FoldedBuffer { .. } => BlockStyle::Sticky,
+            Block::ExcerptBoundary { .. }
+            | Block::FoldedBuffer { .. }
+            | Block::BufferHeader { .. } => BlockStyle::Sticky,
         }
     }
 
@@ -332,6 +345,7 @@ impl Block {
             Block::Custom(block) => matches!(block.placement, BlockPlacement::Above(_)),
             Block::FoldedBuffer { .. } => false,
             Block::ExcerptBoundary { .. } => true,
+            Block::BufferHeader { .. } => true,
         }
     }
 
@@ -340,6 +354,7 @@ impl Block {
             Block::Custom(block) => matches!(block.placement, BlockPlacement::Near(_)),
             Block::FoldedBuffer { .. } => false,
             Block::ExcerptBoundary { .. } => false,
+            Block::BufferHeader { .. } => false,
         }
     }
 
@@ -351,6 +366,7 @@ impl Block {
             ),
             Block::FoldedBuffer { .. } => false,
             Block::ExcerptBoundary { .. } => false,
+            Block::BufferHeader { .. } => false,
         }
     }
 
@@ -359,6 +375,7 @@ impl Block {
             Block::Custom(block) => matches!(block.placement, BlockPlacement::Replace(_)),
             Block::FoldedBuffer { .. } => true,
             Block::ExcerptBoundary { .. } => false,
+            Block::BufferHeader { .. } => false,
         }
     }
 
@@ -367,6 +384,7 @@ impl Block {
             Block::Custom(_) => false,
             Block::FoldedBuffer { .. } => true,
             Block::ExcerptBoundary { .. } => true,
+            Block::BufferHeader { .. } => true,
         }
     }
 
@@ -374,9 +392,8 @@ impl Block {
         match self {
             Block::Custom(_) => false,
             Block::FoldedBuffer { .. } => true,
-            Block::ExcerptBoundary {
-                starts_new_buffer, ..
-            } => *starts_new_buffer,
+            Block::ExcerptBoundary { .. } => false,
+            Block::BufferHeader { .. } => true,
         }
     }
 }
@@ -393,14 +410,14 @@ impl Debug for Block {
                 .field("first_excerpt", &first_excerpt)
                 .field("height", height)
                 .finish(),
-            Self::ExcerptBoundary {
-                starts_new_buffer,
-                excerpt,
-                height,
-            } => f
+            Self::ExcerptBoundary { excerpt, height } => f
                 .debug_struct("ExcerptBoundary")
                 .field("excerpt", excerpt)
-                .field("starts_new_buffer", starts_new_buffer)
+                .field("height", height)
+                .finish(),
+            Self::BufferHeader { excerpt, height } => f
+                .debug_struct("BufferHeader")
+                .field("excerpt", excerpt)
                 .field("height", height)
                 .finish(),
         }
@@ -416,7 +433,7 @@ struct TransformSummary {
 }
 
 pub struct BlockChunks<'a> {
-    transforms: sum_tree::Cursor<'a, Transform, (BlockRow, WrapRow)>,
+    transforms: sum_tree::Cursor<'a, Transform, Dimensions<BlockRow, WrapRow>>,
     input_chunks: wrap_map::WrapChunks<'a>,
     input_chunk: Chunk<'a>,
     output_row: u32,
@@ -426,7 +443,7 @@ pub struct BlockChunks<'a> {
 
 #[derive(Clone)]
 pub struct BlockRows<'a> {
-    transforms: sum_tree::Cursor<'a, Transform, (BlockRow, WrapRow)>,
+    transforms: sum_tree::Cursor<'a, Transform, Dimensions<BlockRow, WrapRow>>,
     input_rows: wrap_map::WrapRows<'a>,
     output_row: BlockRow,
     started: bool,
@@ -525,26 +542,22 @@ impl BlockMap {
             // * Below blocks that end at the start of the edit
             // However, if we hit a replace block that ends at the start of the edit we want to reconstruct it.
             new_transforms.append(cursor.slice(&old_start, Bias::Left), &());
-            if let Some(transform) = cursor.item() {
-                if transform.summary.input_rows > 0
-                    && cursor.end() == old_start
-                    && transform
-                        .block
-                        .as_ref()
-                        .map_or(true, |b| !b.is_replacement())
-                {
-                    // Preserve the transform (push and next)
-                    new_transforms.push(transform.clone(), &());
-                    cursor.next();
+            if let Some(transform) = cursor.item()
+                && transform.summary.input_rows > 0
+                && cursor.end() == old_start
+                && transform.block.as_ref().is_none_or(|b| !b.is_replacement())
+            {
+                // Preserve the transform (push and next)
+                new_transforms.push(transform.clone(), &());
+                cursor.next();
 
-                    // Preserve below blocks at end of edit
-                    while let Some(transform) = cursor.item() {
-                        if transform.block.as_ref().map_or(false, |b| b.place_below()) {
-                            new_transforms.push(transform.clone(), &());
-                            cursor.next();
-                        } else {
-                            break;
-                        }
+                // Preserve below blocks at end of edit
+                while let Some(transform) = cursor.item() {
+                    if transform.block.as_ref().is_some_and(|b| b.place_below()) {
+                        new_transforms.push(transform.clone(), &());
+                        cursor.next();
+                    } else {
+                        break;
                     }
                 }
             }
@@ -607,7 +620,7 @@ impl BlockMap {
 
             // Discard below blocks at the end of the edit. They'll be reconstructed.
             while let Some(transform) = cursor.item() {
-                if transform.block.as_ref().map_or(false, |b| b.place_below()) {
+                if transform.block.as_ref().is_some_and(|b| b.place_below()) {
                     cursor.next();
                 } else {
                     break;
@@ -657,22 +670,20 @@ impl BlockMap {
                     .iter()
                     .filter_map(|block| {
                         let placement = block.placement.to_wrap_row(wrap_snapshot)?;
-                        if let BlockPlacement::Above(row) = placement {
-                            if row < new_start {
-                                return None;
-                            }
+                        if let BlockPlacement::Above(row) = placement
+                            && row < new_start
+                        {
+                            return None;
                         }
                         Some((placement, Block::Custom(block.clone())))
                     }),
             );
 
-            if buffer.show_headers() {
-                blocks_in_edit.extend(self.header_and_footer_blocks(
-                    buffer,
-                    (start_bound, end_bound),
-                    wrap_snapshot,
-                ));
-            }
+            blocks_in_edit.extend(self.header_and_footer_blocks(
+                buffer,
+                (start_bound, end_bound),
+                wrap_snapshot,
+            ));
 
             BlockMap::sort_blocks(&mut blocks_in_edit);
 
@@ -775,7 +786,7 @@ impl BlockMap {
                     if self.buffers_with_disabled_headers.contains(&new_buffer_id) {
                         continue;
                     }
-                    if self.folded_buffers.contains(&new_buffer_id) {
+                    if self.folded_buffers.contains(&new_buffer_id) && buffer.show_headers() {
                         let mut last_excerpt_end_row = first_excerpt.end_row;
 
                         while let Some(next_boundary) = boundaries.peek() {
@@ -808,20 +819,24 @@ impl BlockMap {
                     }
                 }
 
-                if new_buffer_id.is_some() {
+                let starts_new_buffer = new_buffer_id.is_some();
+                let block = if starts_new_buffer && buffer.show_headers() {
                     height += self.buffer_header_height;
-                } else {
+                    Block::BufferHeader {
+                        excerpt: excerpt_boundary.next,
+                        height,
+                    }
+                } else if excerpt_boundary.prev.is_some() {
                     height += self.excerpt_header_height;
-                }
-
-                return Some((
-                    BlockPlacement::Above(WrapRow(wrap_row)),
                     Block::ExcerptBoundary {
                         excerpt: excerpt_boundary.next,
                         height,
-                        starts_new_buffer: new_buffer_id.is_some(),
-                    },
-                ));
+                    }
+                } else {
+                    continue;
+                };
+
+                return Some((BlockPlacement::Above(WrapRow(wrap_row)), block));
             }
         })
     }
@@ -846,13 +861,25 @@ impl BlockMap {
                     (
                         Block::ExcerptBoundary {
                             excerpt: excerpt_a, ..
+                        }
+                        | Block::BufferHeader {
+                            excerpt: excerpt_a, ..
                         },
                         Block::ExcerptBoundary {
                             excerpt: excerpt_b, ..
+                        }
+                        | Block::BufferHeader {
+                            excerpt: excerpt_b, ..
                         },
                     ) => Some(excerpt_a.id).cmp(&Some(excerpt_b.id)),
-                    (Block::ExcerptBoundary { .. }, Block::Custom(_)) => Ordering::Less,
-                    (Block::Custom(_), Block::ExcerptBoundary { .. }) => Ordering::Greater,
+                    (
+                        Block::ExcerptBoundary { .. } | Block::BufferHeader { .. },
+                        Block::Custom(_),
+                    ) => Ordering::Less,
+                    (
+                        Block::Custom(_),
+                        Block::ExcerptBoundary { .. } | Block::BufferHeader { .. },
+                    ) => Ordering::Greater,
                     (Block::Custom(block_a), Block::Custom(block_b)) => block_a
                         .priority
                         .cmp(&block_b.priority)
@@ -970,17 +997,17 @@ impl BlockMapReader<'_> {
                 .unwrap_or(self.wrap_snapshot.max_point().row() + 1),
         );
 
-        let mut cursor = self.transforms.cursor::<(WrapRow, BlockRow)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<WrapRow, BlockRow>>(&());
         cursor.seek(&start_wrap_row, Bias::Left);
         while let Some(transform) = cursor.item() {
             if cursor.start().0 > end_wrap_row {
                 break;
             }
 
-            if let Some(BlockId::Custom(id)) = transform.block.as_ref().map(|block| block.id()) {
-                if id == block_id {
-                    return Some(cursor.start().1);
-                }
+            if let Some(BlockId::Custom(id)) = transform.block.as_ref().map(|block| block.id())
+                && id == block_id
+            {
+                return Some(cursor.start().1);
             }
             cursor.next();
         }
@@ -1292,21 +1319,21 @@ impl BlockSnapshot {
     ) -> BlockChunks<'a> {
         let max_output_row = cmp::min(rows.end, self.transforms.summary().output_rows);
 
-        let mut cursor = self.transforms.cursor::<(BlockRow, WrapRow)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<BlockRow, WrapRow>>(&());
         cursor.seek(&BlockRow(rows.start), Bias::Right);
         let transform_output_start = cursor.start().0.0;
         let transform_input_start = cursor.start().1.0;
 
         let mut input_start = transform_input_start;
         let mut input_end = transform_input_start;
-        if let Some(transform) = cursor.item() {
-            if transform.block.is_none() {
-                input_start += rows.start - transform_output_start;
-                input_end += cmp::min(
-                    rows.end - transform_output_start,
-                    transform.summary.input_rows,
-                );
-            }
+        if let Some(transform) = cursor.item()
+            && transform.block.is_none()
+        {
+            input_start += rows.start - transform_output_start;
+            input_end += cmp::min(
+                rows.end - transform_output_start,
+                transform.summary.input_rows,
+            );
         }
 
         BlockChunks {
@@ -1324,12 +1351,12 @@ impl BlockSnapshot {
     }
 
     pub(super) fn row_infos(&self, start_row: BlockRow) -> BlockRows<'_> {
-        let mut cursor = self.transforms.cursor::<(BlockRow, WrapRow)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<BlockRow, WrapRow>>(&());
         cursor.seek(&start_row, Bias::Right);
-        let (output_start, input_start) = cursor.start();
+        let Dimensions(output_start, input_start, _) = cursor.start();
         let overshoot = if cursor
             .item()
-            .map_or(false, |transform| transform.block.is_none())
+            .is_some_and(|transform| transform.block.is_none())
         {
             start_row.0 - output_start.0
         } else {
@@ -1359,7 +1386,7 @@ impl BlockSnapshot {
                         && transform
                             .block
                             .as_ref()
-                            .map_or(false, |block| block.height() > 0))
+                            .is_some_and(|block| block.height() > 0))
                 {
                     break;
                 }
@@ -1381,7 +1408,9 @@ impl BlockSnapshot {
 
         while let Some(transform) = cursor.item() {
             match &transform.block {
-                Some(Block::ExcerptBoundary { excerpt, .. }) => {
+                Some(
+                    Block::ExcerptBoundary { excerpt, .. } | Block::BufferHeader { excerpt, .. },
+                ) => {
                     return Some(StickyHeaderExcerpt { excerpt });
                 }
                 Some(block) if block.is_buffer_header() => return None,
@@ -1441,14 +1470,14 @@ impl BlockSnapshot {
     }
 
     pub fn longest_row_in_range(&self, range: Range<BlockRow>) -> BlockRow {
-        let mut cursor = self.transforms.cursor::<(BlockRow, WrapRow)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<BlockRow, WrapRow>>(&());
         cursor.seek(&range.start, Bias::Right);
 
         let mut longest_row = range.start;
         let mut longest_row_chars = 0;
         if let Some(transform) = cursor.item() {
             if transform.block.is_none() {
-                let (output_start, input_start) = cursor.start();
+                let Dimensions(output_start, input_start, _) = cursor.start();
                 let overshoot = range.start.0 - output_start.0;
                 let wrap_start_row = input_start.0 + overshoot;
                 let wrap_end_row = cmp::min(
@@ -1472,18 +1501,18 @@ impl BlockSnapshot {
                 longest_row_chars = summary.longest_row_chars;
             }
 
-            if let Some(transform) = cursor.item() {
-                if transform.block.is_none() {
-                    let (output_start, input_start) = cursor.start();
-                    let overshoot = range.end.0 - output_start.0;
-                    let wrap_start_row = input_start.0;
-                    let wrap_end_row = input_start.0 + overshoot;
-                    let summary = self
-                        .wrap_snapshot
-                        .text_summary_for_range(wrap_start_row..wrap_end_row);
-                    if summary.longest_row_chars > longest_row_chars {
-                        longest_row = BlockRow(output_start.0 + summary.longest_row);
-                    }
+            if let Some(transform) = cursor.item()
+                && transform.block.is_none()
+            {
+                let Dimensions(output_start, input_start, _) = cursor.start();
+                let overshoot = range.end.0 - output_start.0;
+                let wrap_start_row = input_start.0;
+                let wrap_end_row = input_start.0 + overshoot;
+                let summary = self
+                    .wrap_snapshot
+                    .text_summary_for_range(wrap_start_row..wrap_end_row);
+                if summary.longest_row_chars > longest_row_chars {
+                    longest_row = BlockRow(output_start.0 + summary.longest_row);
                 }
             }
         }
@@ -1492,10 +1521,10 @@ impl BlockSnapshot {
     }
 
     pub(super) fn line_len(&self, row: BlockRow) -> u32 {
-        let mut cursor = self.transforms.cursor::<(BlockRow, WrapRow)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<BlockRow, WrapRow>>(&());
         cursor.seek(&BlockRow(row.0), Bias::Right);
         if let Some(transform) = cursor.item() {
-            let (output_start, input_start) = cursor.start();
+            let Dimensions(output_start, input_start, _) = cursor.start();
             let overshoot = row.0 - output_start.0;
             if transform.block.is_some() {
                 0
@@ -1510,13 +1539,13 @@ impl BlockSnapshot {
     }
 
     pub(super) fn is_block_line(&self, row: BlockRow) -> bool {
-        let mut cursor = self.transforms.cursor::<(BlockRow, WrapRow)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<BlockRow, WrapRow>>(&());
         cursor.seek(&row, Bias::Right);
-        cursor.item().map_or(false, |t| t.block.is_some())
+        cursor.item().is_some_and(|t| t.block.is_some())
     }
 
     pub(super) fn is_folded_buffer_header(&self, row: BlockRow) -> bool {
-        let mut cursor = self.transforms.cursor::<(BlockRow, WrapRow)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<BlockRow, WrapRow>>(&());
         cursor.seek(&row, Bias::Right);
         let Some(transform) = cursor.item() else {
             return false;
@@ -1528,18 +1557,18 @@ impl BlockSnapshot {
         let wrap_point = self
             .wrap_snapshot
             .make_wrap_point(Point::new(row.0, 0), Bias::Left);
-        let mut cursor = self.transforms.cursor::<(WrapRow, BlockRow)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<WrapRow, BlockRow>>(&());
         cursor.seek(&WrapRow(wrap_point.row()), Bias::Right);
-        cursor.item().map_or(false, |transform| {
+        cursor.item().is_some_and(|transform| {
             transform
                 .block
                 .as_ref()
-                .map_or(false, |block| block.is_replacement())
+                .is_some_and(|block| block.is_replacement())
         })
     }
 
     pub fn clip_point(&self, point: BlockPoint, bias: Bias) -> BlockPoint {
-        let mut cursor = self.transforms.cursor::<(BlockRow, WrapRow)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<BlockRow, WrapRow>>(&());
         cursor.seek(&BlockRow(point.row), Bias::Right);
 
         let max_input_row = WrapRow(self.transforms.summary().input_rows);
@@ -1549,20 +1578,19 @@ impl BlockSnapshot {
 
         loop {
             if let Some(transform) = cursor.item() {
-                let (output_start_row, input_start_row) = cursor.start();
-                let (output_end_row, input_end_row) = cursor.end();
+                let Dimensions(output_start_row, input_start_row, _) = cursor.start();
+                let Dimensions(output_end_row, input_end_row, _) = cursor.end();
                 let output_start = Point::new(output_start_row.0, 0);
                 let input_start = Point::new(input_start_row.0, 0);
                 let input_end = Point::new(input_end_row.0, 0);
 
                 match transform.block.as_ref() {
                     Some(block) => {
-                        if block.is_replacement() {
-                            if ((bias == Bias::Left || search_left) && output_start <= point.0)
-                                || (!search_left && output_start >= point.0)
-                            {
-                                return BlockPoint(output_start);
-                            }
+                        if block.is_replacement()
+                            && (((bias == Bias::Left || search_left) && output_start <= point.0)
+                                || (!search_left && output_start >= point.0))
+                        {
+                            return BlockPoint(output_start);
                         }
                     }
                     None => {
@@ -1599,13 +1627,13 @@ impl BlockSnapshot {
     }
 
     pub fn to_block_point(&self, wrap_point: WrapPoint) -> BlockPoint {
-        let mut cursor = self.transforms.cursor::<(WrapRow, BlockRow)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<WrapRow, BlockRow>>(&());
         cursor.seek(&WrapRow(wrap_point.row()), Bias::Right);
         if let Some(transform) = cursor.item() {
             if transform.block.is_some() {
                 BlockPoint::new(cursor.start().1.0, 0)
             } else {
-                let (input_start_row, output_start_row) = cursor.start();
+                let Dimensions(input_start_row, output_start_row, _) = cursor.start();
                 let input_start = Point::new(input_start_row.0, 0);
                 let output_start = Point::new(output_start_row.0, 0);
                 let input_overshoot = wrap_point.0 - input_start;
@@ -1617,7 +1645,7 @@ impl BlockSnapshot {
     }
 
     pub fn to_wrap_point(&self, block_point: BlockPoint, bias: Bias) -> WrapPoint {
-        let mut cursor = self.transforms.cursor::<(BlockRow, WrapRow)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<BlockRow, WrapRow>>(&());
         cursor.seek(&BlockRow(block_point.row), Bias::Right);
         if let Some(transform) = cursor.item() {
             match transform.block.as_ref() {
@@ -1655,7 +1683,7 @@ impl BlockChunks<'_> {
             if transform
                 .block
                 .as_ref()
-                .map_or(false, |block| block.height() == 0)
+                .is_some_and(|block| block.height() == 0)
             {
                 self.transforms.next();
             } else {
@@ -1666,7 +1694,7 @@ impl BlockChunks<'_> {
         if self
             .transforms
             .item()
-            .map_or(false, |transform| transform.block.is_none())
+            .is_some_and(|transform| transform.block.is_none())
         {
             let start_input_row = self.transforms.start().1.0;
             let start_output_row = self.transforms.start().0.0;
@@ -1776,7 +1804,7 @@ impl Iterator for BlockRows<'_> {
                 if transform
                     .block
                     .as_ref()
-                    .map_or(false, |block| block.height() == 0)
+                    .is_some_and(|block| block.height() == 0)
                 {
                     self.transforms.next();
                 } else {
@@ -1788,7 +1816,7 @@ impl Iterator for BlockRows<'_> {
             if transform
                 .block
                 .as_ref()
-                .map_or(true, |block| block.is_replacement())
+                .is_none_or(|block| block.is_replacement())
             {
                 self.input_rows.seek(self.transforms.start().1.0);
             }
@@ -2161,7 +2189,7 @@ mod tests {
         }
 
         let multi_buffer_snapshot = multi_buffer.read(cx).snapshot(cx);
-        let (_, inlay_snapshot) = InlayMap::new(multi_buffer_snapshot.clone());
+        let (_, inlay_snapshot) = InlayMap::new(multi_buffer_snapshot);
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
         let (_, wraps_snapshot) = WrapMap::new(tab_snapshot, font, font_size, Some(wrap_width), cx);
@@ -2280,7 +2308,7 @@ mod tests {
             new_heights.insert(block_ids[0], 3);
             block_map_writer.resize(new_heights);
 
-            let snapshot = block_map.read(wraps_snapshot.clone(), Default::default());
+            let snapshot = block_map.read(wraps_snapshot, Default::default());
             // Same height as before, should remain the same
             assert_eq!(snapshot.text(), "aaa\n\n\n\n\n\nbbb\nccc\nddd\n\n\n");
         }
@@ -2290,8 +2318,6 @@ mod tests {
     fn test_blocks_on_wrapped_lines(cx: &mut gpui::TestAppContext) {
         cx.update(init_test);
 
-        let _font_id = cx.text_system().font_id(&font("Helvetica")).unwrap();
-
         let text = "one two three\nfour five six\nseven eight";
 
         let buffer = cx.update(|cx| MultiBuffer::build_simple(text, cx));
@@ -2367,16 +2393,14 @@ mod tests {
             buffer.edit([(Point::new(2, 0)..Point::new(3, 0), "")], None, cx);
             buffer.snapshot(cx)
         });
-        let (inlay_snapshot, inlay_edits) = inlay_map.sync(
-            buffer_snapshot.clone(),
-            buffer_subscription.consume().into_inner(),
-        );
+        let (inlay_snapshot, inlay_edits) =
+            inlay_map.sync(buffer_snapshot, buffer_subscription.consume().into_inner());
         let (fold_snapshot, fold_edits) = fold_map.read(inlay_snapshot, inlay_edits);
         let (tab_snapshot, tab_edits) = tab_map.sync(fold_snapshot, fold_edits, tab_size);
         let (wraps_snapshot, wrap_edits) = wrap_map.update(cx, |wrap_map, cx| {
             wrap_map.sync(tab_snapshot, tab_edits, cx)
         });
-        let blocks_snapshot = block_map.read(wraps_snapshot.clone(), wrap_edits);
+        let blocks_snapshot = block_map.read(wraps_snapshot, wrap_edits);
         assert_eq!(blocks_snapshot.text(), "line1\n\n\n\n\nline5");
 
         let buffer_snapshot = buffer.update(cx, |buffer, cx| {
@@ -2461,7 +2485,7 @@ mod tests {
         // Removing the replace block shows all the hidden blocks again.
         let mut writer = block_map.write(wraps_snapshot.clone(), Default::default());
         writer.remove(HashSet::from_iter([replace_block_id]));
-        let blocks_snapshot = block_map.read(wraps_snapshot.clone(), Default::default());
+        let blocks_snapshot = block_map.read(wraps_snapshot, Default::default());
         assert_eq!(
             blocks_snapshot.text(),
             "\nline1\n\nline2\n\n\nline 2.1\nline2.2\nline 2.3\nline 2.4\n\nline4\n\nline5"
@@ -2800,7 +2824,7 @@ mod tests {
         buffer.read_with(cx, |buffer, cx| {
             writer.fold_buffers([buffer_id_3], buffer, cx);
         });
-        let blocks_snapshot = block_map.read(wrap_snapshot.clone(), Patch::default());
+        let blocks_snapshot = block_map.read(wrap_snapshot, Patch::default());
         let blocks = blocks_snapshot
             .blocks_in_range(0..u32::MAX)
             .collect::<Vec<_>>();
@@ -2853,7 +2877,7 @@ mod tests {
         assert_eq!(buffer_ids.len(), 1);
         let buffer_id = buffer_ids[0];
 
-        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot);
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
         let (_, wrap_snapshot) =
@@ -2867,7 +2891,7 @@ mod tests {
         buffer.read_with(cx, |buffer, cx| {
             writer.fold_buffers([buffer_id], buffer, cx);
         });
-        let blocks_snapshot = block_map.read(wrap_snapshot.clone(), Patch::default());
+        let blocks_snapshot = block_map.read(wrap_snapshot, Patch::default());
         let blocks = blocks_snapshot
             .blocks_in_range(0..u32::MAX)
             .collect::<Vec<_>>();
@@ -2875,12 +2899,7 @@ mod tests {
             1,
             blocks
                 .iter()
-                .filter(|(_, block)| {
-                    match block {
-                        Block::FoldedBuffer { .. } => true,
-                        _ => false,
-                    }
-                })
+                .filter(|(_, block)| { matches!(block, Block::FoldedBuffer { .. }) })
                 .count(),
             "Should have one folded block, producing a header of the second buffer"
         );
@@ -3197,9 +3216,9 @@ mod tests {
             // so we special case row 0 to assume a leading '\n'.
             //
             // Linehood is the birthright of strings.
-            let mut input_text_lines = input_text.split('\n').enumerate().peekable();
+            let input_text_lines = input_text.split('\n').enumerate().peekable();
             let mut block_row = 0;
-            while let Some((wrap_row, input_line)) = input_text_lines.next() {
+            for (wrap_row, input_line) in input_text_lines {
                 let wrap_row = wrap_row as u32;
                 let multibuffer_row = wraps_snapshot
                     .to_point(WrapPoint::new(wrap_row, 0), Bias::Left)
@@ -3230,34 +3249,32 @@ mod tests {
                 let mut is_in_replace_block = false;
                 if let Some((BlockPlacement::Replace(replace_range), block)) =
                     sorted_blocks_iter.peek()
+                    && wrap_row >= replace_range.start().0
                 {
-                    if wrap_row >= replace_range.start().0 {
-                        is_in_replace_block = true;
+                    is_in_replace_block = true;
 
-                        if wrap_row == replace_range.start().0 {
-                            if matches!(block, Block::FoldedBuffer { .. }) {
-                                expected_buffer_rows.push(None);
-                            } else {
-                                expected_buffer_rows
-                                    .push(input_buffer_rows[multibuffer_row as usize]);
-                            }
+                    if wrap_row == replace_range.start().0 {
+                        if matches!(block, Block::FoldedBuffer { .. }) {
+                            expected_buffer_rows.push(None);
+                        } else {
+                            expected_buffer_rows.push(input_buffer_rows[multibuffer_row as usize]);
                         }
+                    }
 
-                        if wrap_row == replace_range.end().0 {
-                            expected_block_positions.push((block_row, block.id()));
-                            let text = "\n".repeat((block.height() - 1) as usize);
-                            if block_row > 0 {
-                                expected_text.push('\n');
-                            }
-                            expected_text.push_str(&text);
-
-                            for _ in 1..block.height() {
-                                expected_buffer_rows.push(None);
-                            }
-                            block_row += block.height();
-
-                            sorted_blocks_iter.next();
+                    if wrap_row == replace_range.end().0 {
+                        expected_block_positions.push((block_row, block.id()));
+                        let text = "\n".repeat((block.height() - 1) as usize);
+                        if block_row > 0 {
+                            expected_text.push('\n');
                         }
+                        expected_text.push_str(&text);
+
+                        for _ in 1..block.height() {
+                            expected_buffer_rows.push(None);
+                        }
+                        block_row += block.height();
+
+                        sorted_blocks_iter.next();
                     }
                 }
 
@@ -3541,7 +3558,7 @@ mod tests {
                 ..buffer_snapshot.anchor_after(Point::new(1, 0))],
             false,
         );
-        let blocks_snapshot = block_map.read(wraps_snapshot.clone(), Default::default());
+        let blocks_snapshot = block_map.read(wraps_snapshot, Default::default());
         assert_eq!(blocks_snapshot.text(), "abc\n\ndef\nghi\njkl\nmno");
     }
 
diff --git a/crates/editor/src/display_map/custom_highlights.rs b/crates/editor/src/display_map/custom_highlights.rs
index ae69e9cf8c..f3737ea4b7 100644
--- a/crates/editor/src/display_map/custom_highlights.rs
+++ b/crates/editor/src/display_map/custom_highlights.rs
@@ -77,7 +77,7 @@ fn create_highlight_endpoints(
             let ranges = &text_highlights.1;
 
             let start_ix = match ranges.binary_search_by(|probe| {
-                let cmp = probe.end.cmp(&start, &buffer);
+                let cmp = probe.end.cmp(&start, buffer);
                 if cmp.is_gt() {
                     cmp::Ordering::Greater
                 } else {
@@ -88,18 +88,18 @@ fn create_highlight_endpoints(
             };
 
             for range in &ranges[start_ix..] {
-                if range.start.cmp(&end, &buffer).is_ge() {
+                if range.start.cmp(&end, buffer).is_ge() {
                     break;
                 }
 
                 highlight_endpoints.push(HighlightEndpoint {
-                    offset: range.start.to_offset(&buffer),
+                    offset: range.start.to_offset(buffer),
                     is_start: true,
                     tag,
                     style,
                 });
                 highlight_endpoints.push(HighlightEndpoint {
-                    offset: range.end.to_offset(&buffer),
+                    offset: range.end.to_offset(buffer),
                     is_start: false,
                     tag,
                     style,
diff --git a/crates/editor/src/display_map/fold_map.rs b/crates/editor/src/display_map/fold_map.rs
index 829d34ff58..42f46fb749 100644
--- a/crates/editor/src/display_map/fold_map.rs
+++ b/crates/editor/src/display_map/fold_map.rs
@@ -17,7 +17,7 @@ use std::{
     sync::Arc,
     usize,
 };
-use sum_tree::{Bias, Cursor, FilterCursor, SumTree, Summary, TreeMap};
+use sum_tree::{Bias, Cursor, Dimensions, FilterCursor, SumTree, Summary, TreeMap};
 use ui::IntoElement as _;
 use util::post_inc;
 
@@ -98,7 +98,9 @@ impl FoldPoint {
     }
 
     pub fn to_inlay_point(self, snapshot: &FoldSnapshot) -> InlayPoint {
-        let mut cursor = snapshot.transforms.cursor::<(FoldPoint, InlayPoint)>(&());
+        let mut cursor = snapshot
+            .transforms
+            .cursor::<Dimensions<FoldPoint, InlayPoint>>(&());
         cursor.seek(&self, Bias::Right);
         let overshoot = self.0 - cursor.start().0.0;
         InlayPoint(cursor.start().1.0 + overshoot)
@@ -107,7 +109,7 @@ impl FoldPoint {
     pub fn to_offset(self, snapshot: &FoldSnapshot) -> FoldOffset {
         let mut cursor = snapshot
             .transforms
-            .cursor::<(FoldPoint, TransformSummary)>(&());
+            .cursor::<Dimensions<FoldPoint, TransformSummary>>(&());
         cursor.seek(&self, Bias::Right);
         let overshoot = self.0 - cursor.start().1.output.lines;
         let mut offset = cursor.start().1.output.len;
@@ -287,25 +289,25 @@ impl FoldMapWriter<'_> {
             let ChunkRendererId::Fold(id) = id else {
                 continue;
             };
-            if let Some(metadata) = self.0.snapshot.fold_metadata_by_id.get(&id).cloned() {
-                if Some(new_width) != metadata.width {
-                    let buffer_start = metadata.range.start.to_offset(buffer);
-                    let buffer_end = metadata.range.end.to_offset(buffer);
-                    let inlay_range = inlay_snapshot.to_inlay_offset(buffer_start)
-                        ..inlay_snapshot.to_inlay_offset(buffer_end);
-                    edits.push(InlayEdit {
-                        old: inlay_range.clone(),
-                        new: inlay_range.clone(),
-                    });
+            if let Some(metadata) = self.0.snapshot.fold_metadata_by_id.get(&id).cloned()
+                && Some(new_width) != metadata.width
+            {
+                let buffer_start = metadata.range.start.to_offset(buffer);
+                let buffer_end = metadata.range.end.to_offset(buffer);
+                let inlay_range = inlay_snapshot.to_inlay_offset(buffer_start)
+                    ..inlay_snapshot.to_inlay_offset(buffer_end);
+                edits.push(InlayEdit {
+                    old: inlay_range.clone(),
+                    new: inlay_range.clone(),
+                });
 
-                    self.0.snapshot.fold_metadata_by_id.insert(
-                        id,
-                        FoldMetadata {
-                            range: metadata.range,
-                            width: Some(new_width),
-                        },
-                    );
-                }
+                self.0.snapshot.fold_metadata_by_id.insert(
+                    id,
+                    FoldMetadata {
+                        range: metadata.range,
+                        width: Some(new_width),
+                    },
+                );
             }
         }
 
@@ -415,18 +417,18 @@ impl FoldMap {
             cursor.seek(&InlayOffset(0), Bias::Right);
 
             while let Some(mut edit) = inlay_edits_iter.next() {
-                if let Some(item) = cursor.item() {
-                    if !item.is_fold() {
-                        new_transforms.update_last(
-                            |transform| {
-                                if !transform.is_fold() {
-                                    transform.summary.add_summary(&item.summary, &());
-                                    cursor.next();
-                                }
-                            },
-                            &(),
-                        );
-                    }
+                if let Some(item) = cursor.item()
+                    && !item.is_fold()
+                {
+                    new_transforms.update_last(
+                        |transform| {
+                            if !transform.is_fold() {
+                                transform.summary.add_summary(&item.summary, &());
+                                cursor.next();
+                            }
+                        },
+                        &(),
+                    );
                 }
                 new_transforms.append(cursor.slice(&edit.old.start, Bias::Left), &());
                 edit.new.start -= edit.old.start - *cursor.start();
@@ -489,14 +491,14 @@ impl FoldMap {
 
                 while folds
                     .peek()
-                    .map_or(false, |(_, fold_range)| fold_range.start < edit.new.end)
+                    .is_some_and(|(_, fold_range)| fold_range.start < edit.new.end)
                 {
                     let (fold, mut fold_range) = folds.next().unwrap();
                     let sum = new_transforms.summary();
 
                     assert!(fold_range.start.0 >= sum.input.len);
 
-                    while folds.peek().map_or(false, |(next_fold, next_fold_range)| {
+                    while folds.peek().is_some_and(|(next_fold, next_fold_range)| {
                         next_fold_range.start < fold_range.end
                             || (next_fold_range.start == fold_range.end
                                 && fold.placeholder.merge_adjacent
@@ -567,19 +569,20 @@ impl FoldMap {
                 let mut old_transforms = self
                     .snapshot
                     .transforms
-                    .cursor::<(InlayOffset, FoldOffset)>(&());
-                let mut new_transforms = new_transforms.cursor::<(InlayOffset, FoldOffset)>(&());
+                    .cursor::<Dimensions<InlayOffset, FoldOffset>>(&());
+                let mut new_transforms =
+                    new_transforms.cursor::<Dimensions<InlayOffset, FoldOffset>>(&());
 
                 for mut edit in inlay_edits {
                     old_transforms.seek(&edit.old.start, Bias::Left);
-                    if old_transforms.item().map_or(false, |t| t.is_fold()) {
+                    if old_transforms.item().is_some_and(|t| t.is_fold()) {
                         edit.old.start = old_transforms.start().0;
                     }
                     let old_start =
                         old_transforms.start().1.0 + (edit.old.start - old_transforms.start().0).0;
 
                     old_transforms.seek_forward(&edit.old.end, Bias::Right);
-                    if old_transforms.item().map_or(false, |t| t.is_fold()) {
+                    if old_transforms.item().is_some_and(|t| t.is_fold()) {
                         old_transforms.next();
                         edit.old.end = old_transforms.start().0;
                     }
@@ -587,14 +590,14 @@ impl FoldMap {
                         old_transforms.start().1.0 + (edit.old.end - old_transforms.start().0).0;
 
                     new_transforms.seek(&edit.new.start, Bias::Left);
-                    if new_transforms.item().map_or(false, |t| t.is_fold()) {
+                    if new_transforms.item().is_some_and(|t| t.is_fold()) {
                         edit.new.start = new_transforms.start().0;
                     }
                     let new_start =
                         new_transforms.start().1.0 + (edit.new.start - new_transforms.start().0).0;
 
                     new_transforms.seek_forward(&edit.new.end, Bias::Right);
-                    if new_transforms.item().map_or(false, |t| t.is_fold()) {
+                    if new_transforms.item().is_some_and(|t| t.is_fold()) {
                         new_transforms.next();
                         edit.new.end = new_transforms.start().0;
                     }
@@ -651,7 +654,9 @@ impl FoldSnapshot {
     pub fn text_summary_for_range(&self, range: Range<FoldPoint>) -> TextSummary {
         let mut summary = TextSummary::default();
 
-        let mut cursor = self.transforms.cursor::<(FoldPoint, InlayPoint)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<FoldPoint, InlayPoint>>(&());
         cursor.seek(&range.start, Bias::Right);
         if let Some(transform) = cursor.item() {
             let start_in_transform = range.start.0 - cursor.start().0.0;
@@ -700,9 +705,11 @@ impl FoldSnapshot {
     }
 
     pub fn to_fold_point(&self, point: InlayPoint, bias: Bias) -> FoldPoint {
-        let mut cursor = self.transforms.cursor::<(InlayPoint, FoldPoint)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<InlayPoint, FoldPoint>>(&());
         cursor.seek(&point, Bias::Right);
-        if cursor.item().map_or(false, |t| t.is_fold()) {
+        if cursor.item().is_some_and(|t| t.is_fold()) {
             if bias == Bias::Left || point == cursor.start().0 {
                 cursor.start().1
             } else {
@@ -734,7 +741,9 @@ impl FoldSnapshot {
         }
 
         let fold_point = FoldPoint::new(start_row, 0);
-        let mut cursor = self.transforms.cursor::<(FoldPoint, InlayPoint)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<FoldPoint, InlayPoint>>(&());
         cursor.seek(&fold_point, Bias::Left);
 
         let overshoot = fold_point.0 - cursor.start().0.0;
@@ -779,7 +788,7 @@ impl FoldSnapshot {
         let inlay_offset = self.inlay_snapshot.to_inlay_offset(buffer_offset);
         let mut cursor = self.transforms.cursor::<InlayOffset>(&());
         cursor.seek(&inlay_offset, Bias::Right);
-        cursor.item().map_or(false, |t| t.placeholder.is_some())
+        cursor.item().is_some_and(|t| t.placeholder.is_some())
     }
 
     pub fn is_line_folded(&self, buffer_row: MultiBufferRow) -> bool {
@@ -816,7 +825,9 @@ impl FoldSnapshot {
         language_aware: bool,
         highlights: Highlights<'a>,
     ) -> FoldChunks<'a> {
-        let mut transform_cursor = self.transforms.cursor::<(FoldOffset, InlayOffset)>(&());
+        let mut transform_cursor = self
+            .transforms
+            .cursor::<Dimensions<FoldOffset, InlayOffset>>(&());
         transform_cursor.seek(&range.start, Bias::Right);
 
         let inlay_start = {
@@ -828,7 +839,7 @@ impl FoldSnapshot {
 
         let inlay_end = if transform_cursor
             .item()
-            .map_or(true, |transform| transform.is_fold())
+            .is_none_or(|transform| transform.is_fold())
         {
             inlay_start
         } else if range.end < transform_end.0 {
@@ -871,7 +882,9 @@ impl FoldSnapshot {
     }
 
     pub fn clip_point(&self, point: FoldPoint, bias: Bias) -> FoldPoint {
-        let mut cursor = self.transforms.cursor::<(FoldPoint, InlayPoint)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<FoldPoint, InlayPoint>>(&());
         cursor.seek(&point, Bias::Right);
         if let Some(transform) = cursor.item() {
             let transform_start = cursor.start().0.0;
@@ -1196,7 +1209,7 @@ impl<'a> sum_tree::Dimension<'a, FoldSummary> for usize {
 
 #[derive(Clone)]
 pub struct FoldRows<'a> {
-    cursor: Cursor<'a, Transform, (FoldPoint, InlayPoint)>,
+    cursor: Cursor<'a, Transform, Dimensions<FoldPoint, InlayPoint>>,
     input_rows: InlayBufferRows<'a>,
     fold_point: FoldPoint,
 }
@@ -1313,7 +1326,7 @@ impl DerefMut for ChunkRendererContext<'_, '_> {
 }
 
 pub struct FoldChunks<'a> {
-    transform_cursor: Cursor<'a, Transform, (FoldOffset, InlayOffset)>,
+    transform_cursor: Cursor<'a, Transform, Dimensions<FoldOffset, InlayOffset>>,
     inlay_chunks: InlayChunks<'a>,
     inlay_chunk: Option<(InlayOffset, InlayChunk<'a>)>,
     inlay_offset: InlayOffset,
@@ -1335,7 +1348,7 @@ impl FoldChunks<'_> {
         let inlay_end = if self
             .transform_cursor
             .item()
-            .map_or(true, |transform| transform.is_fold())
+            .is_none_or(|transform| transform.is_fold())
         {
             inlay_start
         } else if range.end < transform_end.0 {
@@ -1448,9 +1461,9 @@ impl FoldOffset {
     pub fn to_point(self, snapshot: &FoldSnapshot) -> FoldPoint {
         let mut cursor = snapshot
             .transforms
-            .cursor::<(FoldOffset, TransformSummary)>(&());
+            .cursor::<Dimensions<FoldOffset, TransformSummary>>(&());
         cursor.seek(&self, Bias::Right);
-        let overshoot = if cursor.item().map_or(true, |t| t.is_fold()) {
+        let overshoot = if cursor.item().is_none_or(|t| t.is_fold()) {
             Point::new(0, (self.0 - cursor.start().0.0) as u32)
         } else {
             let inlay_offset = cursor.start().1.input.len + self.0 - cursor.start().0.0;
@@ -1462,7 +1475,9 @@ impl FoldOffset {
 
     #[cfg(test)]
     pub fn to_inlay_offset(self, snapshot: &FoldSnapshot) -> InlayOffset {
-        let mut cursor = snapshot.transforms.cursor::<(FoldOffset, InlayOffset)>(&());
+        let mut cursor = snapshot
+            .transforms
+            .cursor::<Dimensions<FoldOffset, InlayOffset>>(&());
         cursor.seek(&self, Bias::Right);
         let overshoot = self.0 - cursor.start().0.0;
         InlayOffset(cursor.start().1.0 + overshoot)
@@ -1542,7 +1557,7 @@ mod tests {
         let buffer = MultiBuffer::build_simple(&sample_text(5, 6, 'a'), cx);
         let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot);
         let mut map = FoldMap::new(inlay_snapshot.clone()).0;
 
         let (mut writer, _, _) = map.write(inlay_snapshot, vec![]);
@@ -1621,7 +1636,7 @@ mod tests {
         let buffer = MultiBuffer::build_simple("abcdefghijkl", cx);
         let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot);
 
         {
             let mut map = FoldMap::new(inlay_snapshot.clone()).0;
@@ -1697,7 +1712,7 @@ mod tests {
         let buffer = MultiBuffer::build_simple(&sample_text(5, 6, 'a'), cx);
         let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot);
         let mut map = FoldMap::new(inlay_snapshot.clone()).0;
 
         let (mut writer, _, _) = map.write(inlay_snapshot.clone(), vec![]);
@@ -1705,7 +1720,7 @@ mod tests {
             (Point::new(0, 2)..Point::new(2, 2), FoldPlaceholder::test()),
             (Point::new(3, 1)..Point::new(4, 1), FoldPlaceholder::test()),
         ]);
-        let (snapshot, _) = map.read(inlay_snapshot.clone(), vec![]);
+        let (snapshot, _) = map.read(inlay_snapshot, vec![]);
         assert_eq!(snapshot.text(), "aa⋯cccc\nd⋯eeeee");
 
         let buffer_snapshot = buffer.update(cx, |buffer, cx| {
@@ -1732,7 +1747,7 @@ mod tests {
             (Point::new(1, 2)..Point::new(3, 2), FoldPlaceholder::test()),
             (Point::new(3, 1)..Point::new(4, 1), FoldPlaceholder::test()),
         ]);
-        let (snapshot, _) = map.read(inlay_snapshot.clone(), vec![]);
+        let (snapshot, _) = map.read(inlay_snapshot, vec![]);
         let fold_ranges = snapshot
             .folds_in_range(Point::new(1, 0)..Point::new(1, 3))
             .map(|fold| {
@@ -1767,7 +1782,7 @@ mod tests {
         let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
         let mut map = FoldMap::new(inlay_snapshot.clone()).0;
 
-        let (mut initial_snapshot, _) = map.read(inlay_snapshot.clone(), vec![]);
+        let (mut initial_snapshot, _) = map.read(inlay_snapshot, vec![]);
         let mut snapshot_edits = Vec::new();
 
         let mut next_inlay_id = 0;
diff --git a/crates/editor/src/display_map/inlay_map.rs b/crates/editor/src/display_map/inlay_map.rs
index a36d18ff6d..3db9d10fdc 100644
--- a/crates/editor/src/display_map/inlay_map.rs
+++ b/crates/editor/src/display_map/inlay_map.rs
@@ -10,7 +10,7 @@ use std::{
     ops::{Add, AddAssign, Range, Sub, SubAssign},
     sync::Arc,
 };
-use sum_tree::{Bias, Cursor, SumTree};
+use sum_tree::{Bias, Cursor, Dimensions, SumTree};
 use text::{Patch, Rope};
 use ui::{ActiveTheme, IntoElement as _, ParentElement as _, Styled as _, div};
 
@@ -48,16 +48,16 @@ pub struct Inlay {
 impl Inlay {
     pub fn hint(id: usize, position: Anchor, hint: &project::InlayHint) -> Self {
         let mut text = hint.text();
-        if hint.padding_right && !text.ends_with(' ') {
-            text.push(' ');
+        if hint.padding_right && text.reversed_chars_at(text.len()).next() != Some(' ') {
+            text.push(" ");
         }
-        if hint.padding_left && !text.starts_with(' ') {
-            text.insert(0, ' ');
+        if hint.padding_left && text.chars_at(0).next() != Some(' ') {
+            text.push_front(" ");
         }
         Self {
             id: InlayId::Hint(id),
             position,
-            text: text.into(),
+            text,
             color: None,
         }
     }
@@ -81,9 +81,9 @@ impl Inlay {
         }
     }
 
-    pub fn inline_completion<T: Into<Rope>>(id: usize, position: Anchor, text: T) -> Self {
+    pub fn edit_prediction<T: Into<Rope>>(id: usize, position: Anchor, text: T) -> Self {
         Self {
-            id: InlayId::InlineCompletion(id),
+            id: InlayId::EditPrediction(id),
             position,
             text: text.into(),
             color: None,
@@ -235,14 +235,14 @@ impl<'a> sum_tree::Dimension<'a, TransformSummary> for Point {
 
 #[derive(Clone)]
 pub struct InlayBufferRows<'a> {
-    transforms: Cursor<'a, Transform, (InlayPoint, Point)>,
+    transforms: Cursor<'a, Transform, Dimensions<InlayPoint, Point>>,
     buffer_rows: MultiBufferRows<'a>,
     inlay_row: u32,
     max_buffer_row: MultiBufferRow,
 }
 
 pub struct InlayChunks<'a> {
-    transforms: Cursor<'a, Transform, (InlayOffset, usize)>,
+    transforms: Cursor<'a, Transform, Dimensions<InlayOffset, usize>>,
     buffer_chunks: CustomHighlightsChunks<'a>,
     buffer_chunk: Option<Chunk<'a>>,
     inlay_chunks: Option<text::Chunks<'a>>,
@@ -340,15 +340,13 @@ impl<'a> Iterator for InlayChunks<'a> {
 
                 let mut renderer = None;
                 let mut highlight_style = match inlay.id {
-                    InlayId::InlineCompletion(_) => {
-                        self.highlight_styles.inline_completion.map(|s| {
-                            if inlay.text.chars().all(|c| c.is_whitespace()) {
-                                s.whitespace
-                            } else {
-                                s.insertion
-                            }
-                        })
-                    }
+                    InlayId::EditPrediction(_) => self.highlight_styles.edit_prediction.map(|s| {
+                        if inlay.text.chars().all(|c| c.is_whitespace()) {
+                            s.whitespace
+                        } else {
+                            s.insertion
+                        }
+                    }),
                     InlayId::Hint(_) => self.highlight_styles.inlay_hint,
                     InlayId::DebuggerValue(_) => self.highlight_styles.inlay_hint,
                     InlayId::Color(_) => {
@@ -553,15 +551,17 @@ impl InlayMap {
         } else {
             let mut inlay_edits = Patch::default();
             let mut new_transforms = SumTree::default();
-            let mut cursor = snapshot.transforms.cursor::<(usize, InlayOffset)>(&());
+            let mut cursor = snapshot
+                .transforms
+                .cursor::<Dimensions<usize, InlayOffset>>(&());
             let mut buffer_edits_iter = buffer_edits.iter().peekable();
             while let Some(buffer_edit) = buffer_edits_iter.next() {
                 new_transforms.append(cursor.slice(&buffer_edit.old.start, Bias::Left), &());
-                if let Some(Transform::Isomorphic(transform)) = cursor.item() {
-                    if cursor.end().0 == buffer_edit.old.start {
-                        push_isomorphic(&mut new_transforms, *transform);
-                        cursor.next();
-                    }
+                if let Some(Transform::Isomorphic(transform)) = cursor.item()
+                    && cursor.end().0 == buffer_edit.old.start
+                {
+                    push_isomorphic(&mut new_transforms, *transform);
+                    cursor.next();
                 }
 
                 // Remove all the inlays and transforms contained by the edit.
@@ -625,7 +625,7 @@ impl InlayMap {
                 // we can push its remainder.
                 if buffer_edits_iter
                     .peek()
-                    .map_or(true, |edit| edit.old.start >= cursor.end().0)
+                    .is_none_or(|edit| edit.old.start >= cursor.end().0)
                 {
                     let transform_start = new_transforms.summary().input.len;
                     let transform_end =
@@ -737,13 +737,13 @@ impl InlayMap {
                     Inlay::mock_hint(
                         post_inc(next_inlay_id),
                         snapshot.buffer.anchor_at(position, bias),
-                        text.clone(),
+                        &text,
                     )
                 } else {
-                    Inlay::inline_completion(
+                    Inlay::edit_prediction(
                         post_inc(next_inlay_id),
                         snapshot.buffer.anchor_at(position, bias),
-                        text.clone(),
+                        &text,
                     )
                 };
                 let inlay_id = next_inlay.id;
@@ -772,20 +772,20 @@ impl InlaySnapshot {
     pub fn to_point(&self, offset: InlayOffset) -> InlayPoint {
         let mut cursor = self
             .transforms
-            .cursor::<(InlayOffset, (InlayPoint, usize))>(&());
+            .cursor::<Dimensions<InlayOffset, InlayPoint, usize>>(&());
         cursor.seek(&offset, Bias::Right);
         let overshoot = offset.0 - cursor.start().0.0;
         match cursor.item() {
             Some(Transform::Isomorphic(_)) => {
-                let buffer_offset_start = cursor.start().1.1;
+                let buffer_offset_start = cursor.start().2;
                 let buffer_offset_end = buffer_offset_start + overshoot;
                 let buffer_start = self.buffer.offset_to_point(buffer_offset_start);
                 let buffer_end = self.buffer.offset_to_point(buffer_offset_end);
-                InlayPoint(cursor.start().1.0.0 + (buffer_end - buffer_start))
+                InlayPoint(cursor.start().1.0 + (buffer_end - buffer_start))
             }
             Some(Transform::Inlay(inlay)) => {
                 let overshoot = inlay.text.offset_to_point(overshoot);
-                InlayPoint(cursor.start().1.0.0 + overshoot)
+                InlayPoint(cursor.start().1.0 + overshoot)
             }
             None => self.max_point(),
         }
@@ -802,26 +802,26 @@ impl InlaySnapshot {
     pub fn to_offset(&self, point: InlayPoint) -> InlayOffset {
         let mut cursor = self
             .transforms
-            .cursor::<(InlayPoint, (InlayOffset, Point))>(&());
+            .cursor::<Dimensions<InlayPoint, InlayOffset, Point>>(&());
         cursor.seek(&point, Bias::Right);
         let overshoot = point.0 - cursor.start().0.0;
         match cursor.item() {
             Some(Transform::Isomorphic(_)) => {
-                let buffer_point_start = cursor.start().1.1;
+                let buffer_point_start = cursor.start().2;
                 let buffer_point_end = buffer_point_start + overshoot;
                 let buffer_offset_start = self.buffer.point_to_offset(buffer_point_start);
                 let buffer_offset_end = self.buffer.point_to_offset(buffer_point_end);
-                InlayOffset(cursor.start().1.0.0 + (buffer_offset_end - buffer_offset_start))
+                InlayOffset(cursor.start().1.0 + (buffer_offset_end - buffer_offset_start))
             }
             Some(Transform::Inlay(inlay)) => {
                 let overshoot = inlay.text.point_to_offset(overshoot);
-                InlayOffset(cursor.start().1.0.0 + overshoot)
+                InlayOffset(cursor.start().1.0 + overshoot)
             }
             None => self.len(),
         }
     }
     pub fn to_buffer_point(&self, point: InlayPoint) -> Point {
-        let mut cursor = self.transforms.cursor::<(InlayPoint, Point)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<InlayPoint, Point>>(&());
         cursor.seek(&point, Bias::Right);
         match cursor.item() {
             Some(Transform::Isomorphic(_)) => {
@@ -833,7 +833,9 @@ impl InlaySnapshot {
         }
     }
     pub fn to_buffer_offset(&self, offset: InlayOffset) -> usize {
-        let mut cursor = self.transforms.cursor::<(InlayOffset, usize)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<InlayOffset, usize>>(&());
         cursor.seek(&offset, Bias::Right);
         match cursor.item() {
             Some(Transform::Isomorphic(_)) => {
@@ -846,7 +848,9 @@ impl InlaySnapshot {
     }
 
     pub fn to_inlay_offset(&self, offset: usize) -> InlayOffset {
-        let mut cursor = self.transforms.cursor::<(usize, InlayOffset)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<usize, InlayOffset>>(&());
         cursor.seek(&offset, Bias::Left);
         loop {
             match cursor.item() {
@@ -879,7 +883,7 @@ impl InlaySnapshot {
         }
     }
     pub fn to_inlay_point(&self, point: Point) -> InlayPoint {
-        let mut cursor = self.transforms.cursor::<(Point, InlayPoint)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<Point, InlayPoint>>(&());
         cursor.seek(&point, Bias::Left);
         loop {
             match cursor.item() {
@@ -913,7 +917,7 @@ impl InlaySnapshot {
     }
 
     pub fn clip_point(&self, mut point: InlayPoint, mut bias: Bias) -> InlayPoint {
-        let mut cursor = self.transforms.cursor::<(InlayPoint, Point)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<InlayPoint, Point>>(&());
         cursor.seek(&point, Bias::Left);
         loop {
             match cursor.item() {
@@ -1010,7 +1014,9 @@ impl InlaySnapshot {
     pub fn text_summary_for_range(&self, range: Range<InlayOffset>) -> TextSummary {
         let mut summary = TextSummary::default();
 
-        let mut cursor = self.transforms.cursor::<(InlayOffset, usize)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<InlayOffset, usize>>(&());
         cursor.seek(&range.start, Bias::Right);
 
         let overshoot = range.start.0 - cursor.start().0.0;
@@ -1058,7 +1064,7 @@ impl InlaySnapshot {
     }
 
     pub fn row_infos(&self, row: u32) -> InlayBufferRows<'_> {
-        let mut cursor = self.transforms.cursor::<(InlayPoint, Point)>(&());
+        let mut cursor = self.transforms.cursor::<Dimensions<InlayPoint, Point>>(&());
         let inlay_point = InlayPoint::new(row, 0);
         cursor.seek(&inlay_point, Bias::Left);
 
@@ -1100,7 +1106,9 @@ impl InlaySnapshot {
         language_aware: bool,
         highlights: Highlights<'a>,
     ) -> InlayChunks<'a> {
-        let mut cursor = self.transforms.cursor::<(InlayOffset, usize)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<InlayOffset, usize>>(&());
         cursor.seek(&range.start, Bias::Right);
 
         let buffer_range = self.to_buffer_offset(range.start)..self.to_buffer_offset(range.end);
@@ -1297,6 +1305,29 @@ mod tests {
         );
     }
 
+    #[gpui::test]
+    fn test_inlay_hint_padding_with_multibyte_chars() {
+        assert_eq!(
+            Inlay::hint(
+                0,
+                Anchor::min(),
+                &InlayHint {
+                    label: InlayHintLabel::String("🎨".to_string()),
+                    position: text::Anchor::default(),
+                    padding_left: true,
+                    padding_right: true,
+                    tooltip: None,
+                    kind: None,
+                    resolve_state: ResolveState::Resolved,
+                },
+            )
+            .text
+            .to_string(),
+            " 🎨 ",
+            "Should pad single emoji correctly"
+        );
+    }
+
     #[gpui::test]
     fn test_basic_inlays(cx: &mut App) {
         let buffer = MultiBuffer::build_simple("abcdefghi", cx);
@@ -1389,7 +1420,7 @@ mod tests {
                     buffer.read(cx).snapshot(cx).anchor_before(3),
                     "|123|",
                 ),
-                Inlay::inline_completion(
+                Inlay::edit_prediction(
                     post_inc(&mut next_inlay_id),
                     buffer.read(cx).snapshot(cx).anchor_after(3),
                     "|456|",
@@ -1609,7 +1640,7 @@ mod tests {
                     buffer.read(cx).snapshot(cx).anchor_before(4),
                     "|456|",
                 ),
-                Inlay::inline_completion(
+                Inlay::edit_prediction(
                     post_inc(&mut next_inlay_id),
                     buffer.read(cx).snapshot(cx).anchor_before(7),
                     "\n|567|\n",
@@ -1686,7 +1717,7 @@ mod tests {
                     (offset, inlay.clone())
                 })
                 .collect::<Vec<_>>();
-            let mut expected_text = Rope::from(buffer_snapshot.text());
+            let mut expected_text = Rope::from(&buffer_snapshot.text());
             for (offset, inlay) in inlays.iter().rev() {
                 expected_text.replace(*offset..*offset, &inlay.text.to_string());
             }
diff --git a/crates/editor/src/display_map/invisibles.rs b/crates/editor/src/display_map/invisibles.rs
index 199986f2a4..0712ddf9e2 100644
--- a/crates/editor/src/display_map/invisibles.rs
+++ b/crates/editor/src/display_map/invisibles.rs
@@ -36,8 +36,8 @@ pub fn is_invisible(c: char) -> bool {
     } else if c >= '\u{7f}' {
         c <= '\u{9f}'
             || (c.is_whitespace() && c != IDEOGRAPHIC_SPACE)
-            || contains(c, &FORMAT)
-            || contains(c, &OTHER)
+            || contains(c, FORMAT)
+            || contains(c, OTHER)
     } else {
         false
     }
@@ -50,7 +50,7 @@ pub fn replacement(c: char) -> Option<&'static str> {
         Some(C0_SYMBOLS[c as usize])
     } else if c == '\x7f' {
         Some(DEL)
-    } else if contains(c, &PRESERVE) {
+    } else if contains(c, PRESERVE) {
         None
     } else {
         Some("\u{2007}") // fixed width space
@@ -61,14 +61,14 @@ pub fn replacement(c: char) -> Option<&'static str> {
 // but could if we tracked state in the classifier.
 const IDEOGRAPHIC_SPACE: char = '\u{3000}';
 
-const C0_SYMBOLS: &'static [&'static str] = &[
+const C0_SYMBOLS: &[&str] = &[
     "␀", "␁", "␂", "␃", "␄", "␅", "␆", "␇", "␈", "␉", "␊", "␋", "␌", "␍", "␎", "␏", "␐", "␑", "␒",
     "␓", "␔", "␕", "␖", "␗", "␘", "␙", "␚", "␛", "␜", "␝", "␞", "␟",
 ];
-const DEL: &'static str = "␡";
+const DEL: &str = "␡";
 
 // generated using ucd-generate: ucd-generate general-category --include Format --chars ucd-16.0.0
-pub const FORMAT: &'static [(char, char)] = &[
+pub const FORMAT: &[(char, char)] = &[
     ('\u{ad}', '\u{ad}'),
     ('\u{600}', '\u{605}'),
     ('\u{61c}', '\u{61c}'),
@@ -93,7 +93,7 @@ pub const FORMAT: &'static [(char, char)] = &[
 ];
 
 // hand-made base on https://invisible-characters.com (Excluding Cf)
-pub const OTHER: &'static [(char, char)] = &[
+pub const OTHER: &[(char, char)] = &[
     ('\u{034f}', '\u{034f}'),
     ('\u{115F}', '\u{1160}'),
     ('\u{17b4}', '\u{17b5}'),
@@ -107,7 +107,7 @@ pub const OTHER: &'static [(char, char)] = &[
 ];
 
 // a subset of FORMAT/OTHER that may appear within glyphs
-const PRESERVE: &'static [(char, char)] = &[
+const PRESERVE: &[(char, char)] = &[
     ('\u{034f}', '\u{034f}'),
     ('\u{200d}', '\u{200d}'),
     ('\u{17b4}', '\u{17b5}'),
diff --git a/crates/editor/src/display_map/tab_map.rs b/crates/editor/src/display_map/tab_map.rs
index eb5d57d484..6f5df9bb8e 100644
--- a/crates/editor/src/display_map/tab_map.rs
+++ b/crates/editor/src/display_map/tab_map.rs
@@ -116,7 +116,7 @@ impl TabMap {
                             state.new.end = edit.new.end;
                             Some(None) // Skip this edit, it's merged
                         } else {
-                            let new_state = edit.clone();
+                            let new_state = edit;
                             let result = Some(Some(state.clone())); // Yield the previous edit
                             **state = new_state;
                             result
@@ -611,7 +611,7 @@ mod tests {
     fn test_expand_tabs(cx: &mut gpui::App) {
         let buffer = MultiBuffer::build_simple("", cx);
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
-        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot);
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
 
@@ -628,7 +628,7 @@ mod tests {
 
         let buffer = MultiBuffer::build_simple(input, cx);
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
-        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot);
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, mut tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
 
@@ -675,7 +675,7 @@ mod tests {
 
         let buffer = MultiBuffer::build_simple(input, cx);
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
-        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot);
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, mut tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
 
@@ -689,7 +689,7 @@ mod tests {
 
         let buffer = MultiBuffer::build_simple(input, cx);
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
-        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
+        let (_, inlay_snapshot) = InlayMap::new(buffer_snapshot);
         let (_, fold_snapshot) = FoldMap::new(inlay_snapshot);
         let (_, tab_snapshot) = TabMap::new(fold_snapshot, 4.try_into().unwrap());
 
@@ -749,7 +749,7 @@ mod tests {
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
         log::info!("Buffer text: {:?}", buffer_snapshot.text());
 
-        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot.clone());
+        let (mut inlay_map, inlay_snapshot) = InlayMap::new(buffer_snapshot);
         log::info!("InlayMap text: {:?}", inlay_snapshot.text());
         let (mut fold_map, _) = FoldMap::new(inlay_snapshot.clone());
         fold_map.randomly_mutate(&mut rng);
@@ -758,7 +758,7 @@ mod tests {
         let (inlay_snapshot, _) = inlay_map.randomly_mutate(&mut 0, &mut rng);
         log::info!("InlayMap text: {:?}", inlay_snapshot.text());
 
-        let (mut tab_map, _) = TabMap::new(fold_snapshot.clone(), tab_size);
+        let (mut tab_map, _) = TabMap::new(fold_snapshot, tab_size);
         let tabs_snapshot = tab_map.set_max_expansion_column(32);
 
         let text = text::Rope::from(tabs_snapshot.text().as_str());
diff --git a/crates/editor/src/display_map/wrap_map.rs b/crates/editor/src/display_map/wrap_map.rs
index d55577826e..500ec3a0bb 100644
--- a/crates/editor/src/display_map/wrap_map.rs
+++ b/crates/editor/src/display_map/wrap_map.rs
@@ -9,7 +9,7 @@ use multi_buffer::{MultiBufferSnapshot, RowInfo};
 use smol::future::yield_now;
 use std::sync::LazyLock;
 use std::{cmp, collections::VecDeque, mem, ops::Range, time::Duration};
-use sum_tree::{Bias, Cursor, SumTree};
+use sum_tree::{Bias, Cursor, Dimensions, SumTree};
 use text::Patch;
 
 pub use super::tab_map::TextSummary;
@@ -55,7 +55,7 @@ pub struct WrapChunks<'a> {
     input_chunk: Chunk<'a>,
     output_position: WrapPoint,
     max_output_row: u32,
-    transforms: Cursor<'a, Transform, (WrapPoint, TabPoint)>,
+    transforms: Cursor<'a, Transform, Dimensions<WrapPoint, TabPoint>>,
     snapshot: &'a WrapSnapshot,
 }
 
@@ -66,7 +66,7 @@ pub struct WrapRows<'a> {
     output_row: u32,
     soft_wrapped: bool,
     max_output_row: u32,
-    transforms: Cursor<'a, Transform, (WrapPoint, TabPoint)>,
+    transforms: Cursor<'a, Transform, Dimensions<WrapPoint, TabPoint>>,
 }
 
 impl WrapRows<'_> {
@@ -74,10 +74,10 @@ impl WrapRows<'_> {
         self.transforms
             .seek(&WrapPoint::new(start_row, 0), Bias::Left);
         let mut input_row = self.transforms.start().1.row();
-        if self.transforms.item().map_or(false, |t| t.is_isomorphic()) {
+        if self.transforms.item().is_some_and(|t| t.is_isomorphic()) {
             input_row += start_row - self.transforms.start().0.row();
         }
-        self.soft_wrapped = self.transforms.item().map_or(false, |t| !t.is_isomorphic());
+        self.soft_wrapped = self.transforms.item().is_some_and(|t| !t.is_isomorphic());
         self.input_buffer_rows.seek(input_row);
         self.input_buffer_row = self.input_buffer_rows.next().unwrap();
         self.output_row = start_row;
@@ -249,48 +249,48 @@ impl WrapMap {
             return;
         }
 
-        if let Some(wrap_width) = self.wrap_width {
-            if self.background_task.is_none() {
-                let pending_edits = self.pending_edits.clone();
-                let mut snapshot = self.snapshot.clone();
-                let text_system = cx.text_system().clone();
-                let (font, font_size) = self.font_with_size.clone();
-                let update_task = cx.background_spawn(async move {
-                    let mut edits = Patch::default();
-                    let mut line_wrapper = text_system.line_wrapper(font, font_size);
-                    for (tab_snapshot, tab_edits) in pending_edits {
-                        let wrap_edits = snapshot
-                            .update(tab_snapshot, &tab_edits, wrap_width, &mut line_wrapper)
-                            .await;
-                        edits = edits.compose(&wrap_edits);
-                    }
-                    (snapshot, edits)
-                });
+        if let Some(wrap_width) = self.wrap_width
+            && self.background_task.is_none()
+        {
+            let pending_edits = self.pending_edits.clone();
+            let mut snapshot = self.snapshot.clone();
+            let text_system = cx.text_system().clone();
+            let (font, font_size) = self.font_with_size.clone();
+            let update_task = cx.background_spawn(async move {
+                let mut edits = Patch::default();
+                let mut line_wrapper = text_system.line_wrapper(font, font_size);
+                for (tab_snapshot, tab_edits) in pending_edits {
+                    let wrap_edits = snapshot
+                        .update(tab_snapshot, &tab_edits, wrap_width, &mut line_wrapper)
+                        .await;
+                    edits = edits.compose(&wrap_edits);
+                }
+                (snapshot, edits)
+            });
 
-                match cx
-                    .background_executor()
-                    .block_with_timeout(Duration::from_millis(1), update_task)
-                {
-                    Ok((snapshot, output_edits)) => {
-                        self.snapshot = snapshot;
-                        self.edits_since_sync = self.edits_since_sync.compose(&output_edits);
-                    }
-                    Err(update_task) => {
-                        self.background_task = Some(cx.spawn(async move |this, cx| {
-                            let (snapshot, edits) = update_task.await;
-                            this.update(cx, |this, cx| {
-                                this.snapshot = snapshot;
-                                this.edits_since_sync = this
-                                    .edits_since_sync
-                                    .compose(mem::take(&mut this.interpolated_edits).invert())
-                                    .compose(&edits);
-                                this.background_task = None;
-                                this.flush_edits(cx);
-                                cx.notify();
-                            })
-                            .ok();
-                        }));
-                    }
+            match cx
+                .background_executor()
+                .block_with_timeout(Duration::from_millis(1), update_task)
+            {
+                Ok((snapshot, output_edits)) => {
+                    self.snapshot = snapshot;
+                    self.edits_since_sync = self.edits_since_sync.compose(&output_edits);
+                }
+                Err(update_task) => {
+                    self.background_task = Some(cx.spawn(async move |this, cx| {
+                        let (snapshot, edits) = update_task.await;
+                        this.update(cx, |this, cx| {
+                            this.snapshot = snapshot;
+                            this.edits_since_sync = this
+                                .edits_since_sync
+                                .compose(mem::take(&mut this.interpolated_edits).invert())
+                                .compose(&edits);
+                            this.background_task = None;
+                            this.flush_edits(cx);
+                            cx.notify();
+                        })
+                        .ok();
+                    }));
                 }
             }
         }
@@ -598,10 +598,12 @@ impl WrapSnapshot {
     ) -> WrapChunks<'a> {
         let output_start = WrapPoint::new(rows.start, 0);
         let output_end = WrapPoint::new(rows.end, 0);
-        let mut transforms = self.transforms.cursor::<(WrapPoint, TabPoint)>(&());
+        let mut transforms = self
+            .transforms
+            .cursor::<Dimensions<WrapPoint, TabPoint>>(&());
         transforms.seek(&output_start, Bias::Right);
         let mut input_start = TabPoint(transforms.start().1.0);
-        if transforms.item().map_or(false, |t| t.is_isomorphic()) {
+        if transforms.item().is_some_and(|t| t.is_isomorphic()) {
             input_start.0 += output_start.0 - transforms.start().0.0;
         }
         let input_end = self
@@ -626,11 +628,13 @@ impl WrapSnapshot {
     }
 
     pub fn line_len(&self, row: u32) -> u32 {
-        let mut cursor = self.transforms.cursor::<(WrapPoint, TabPoint)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<WrapPoint, TabPoint>>(&());
         cursor.seek(&WrapPoint::new(row + 1, 0), Bias::Left);
         if cursor
             .item()
-            .map_or(false, |transform| transform.is_isomorphic())
+            .is_some_and(|transform| transform.is_isomorphic())
         {
             let overshoot = row - cursor.start().0.row();
             let tab_row = cursor.start().1.row() + overshoot;
@@ -651,7 +655,9 @@ impl WrapSnapshot {
         let start = WrapPoint::new(rows.start, 0);
         let end = WrapPoint::new(rows.end, 0);
 
-        let mut cursor = self.transforms.cursor::<(WrapPoint, TabPoint)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<WrapPoint, TabPoint>>(&());
         cursor.seek(&start, Bias::Right);
         if let Some(transform) = cursor.item() {
             let start_in_transform = start.0 - cursor.start().0.0;
@@ -721,13 +727,15 @@ impl WrapSnapshot {
     }
 
     pub fn row_infos(&self, start_row: u32) -> WrapRows<'_> {
-        let mut transforms = self.transforms.cursor::<(WrapPoint, TabPoint)>(&());
+        let mut transforms = self
+            .transforms
+            .cursor::<Dimensions<WrapPoint, TabPoint>>(&());
         transforms.seek(&WrapPoint::new(start_row, 0), Bias::Left);
         let mut input_row = transforms.start().1.row();
-        if transforms.item().map_or(false, |t| t.is_isomorphic()) {
+        if transforms.item().is_some_and(|t| t.is_isomorphic()) {
             input_row += start_row - transforms.start().0.row();
         }
-        let soft_wrapped = transforms.item().map_or(false, |t| !t.is_isomorphic());
+        let soft_wrapped = transforms.item().is_some_and(|t| !t.is_isomorphic());
         let mut input_buffer_rows = self.tab_snapshot.rows(input_row);
         let input_buffer_row = input_buffer_rows.next().unwrap();
         WrapRows {
@@ -741,10 +749,12 @@ impl WrapSnapshot {
     }
 
     pub fn to_tab_point(&self, point: WrapPoint) -> TabPoint {
-        let mut cursor = self.transforms.cursor::<(WrapPoint, TabPoint)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<WrapPoint, TabPoint>>(&());
         cursor.seek(&point, Bias::Right);
         let mut tab_point = cursor.start().1.0;
-        if cursor.item().map_or(false, |t| t.is_isomorphic()) {
+        if cursor.item().is_some_and(|t| t.is_isomorphic()) {
             tab_point += point.0 - cursor.start().0.0;
         }
         TabPoint(tab_point)
@@ -759,7 +769,9 @@ impl WrapSnapshot {
     }
 
     pub fn tab_point_to_wrap_point(&self, point: TabPoint) -> WrapPoint {
-        let mut cursor = self.transforms.cursor::<(TabPoint, WrapPoint)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<TabPoint, WrapPoint>>(&());
         cursor.seek(&point, Bias::Right);
         WrapPoint(cursor.start().1.0 + (point.0 - cursor.start().0.0))
     }
@@ -768,7 +780,7 @@ impl WrapSnapshot {
         if bias == Bias::Left {
             let mut cursor = self.transforms.cursor::<WrapPoint>(&());
             cursor.seek(&point, Bias::Right);
-            if cursor.item().map_or(false, |t| !t.is_isomorphic()) {
+            if cursor.item().is_some_and(|t| !t.is_isomorphic()) {
                 point = *cursor.start();
                 *point.column_mut() -= 1;
             }
@@ -784,7 +796,9 @@ impl WrapSnapshot {
 
         *point.column_mut() = 0;
 
-        let mut cursor = self.transforms.cursor::<(WrapPoint, TabPoint)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<WrapPoint, TabPoint>>(&());
         cursor.seek(&point, Bias::Right);
         if cursor.item().is_none() {
             cursor.prev();
@@ -804,7 +818,9 @@ impl WrapSnapshot {
     pub fn next_row_boundary(&self, mut point: WrapPoint) -> Option<u32> {
         point.0 += Point::new(1, 0);
 
-        let mut cursor = self.transforms.cursor::<(WrapPoint, TabPoint)>(&());
+        let mut cursor = self
+            .transforms
+            .cursor::<Dimensions<WrapPoint, TabPoint>>(&());
         cursor.seek(&point, Bias::Right);
         while let Some(transform) = cursor.item() {
             if transform.is_isomorphic() && cursor.start().1.column() == 0 {
@@ -885,7 +901,7 @@ impl WrapChunks<'_> {
         let output_end = WrapPoint::new(rows.end, 0);
         self.transforms.seek(&output_start, Bias::Right);
         let mut input_start = TabPoint(self.transforms.start().1.0);
-        if self.transforms.item().map_or(false, |t| t.is_isomorphic()) {
+        if self.transforms.item().is_some_and(|t| t.is_isomorphic()) {
             input_start.0 += output_start.0 - self.transforms.start().0.0;
         }
         let input_end = self
@@ -977,7 +993,7 @@ impl Iterator for WrapRows<'_> {
         self.output_row += 1;
         self.transforms
             .seek_forward(&WrapPoint::new(self.output_row, 0), Bias::Left);
-        if self.transforms.item().map_or(false, |t| t.is_isomorphic()) {
+        if self.transforms.item().is_some_and(|t| t.is_isomorphic()) {
             self.input_buffer_row = self.input_buffer_rows.next().unwrap();
             self.soft_wrapped = false;
         } else {
@@ -1049,12 +1065,12 @@ impl sum_tree::Item for Transform {
 }
 
 fn push_isomorphic(transforms: &mut Vec<Transform>, summary: TextSummary) {
-    if let Some(last_transform) = transforms.last_mut() {
-        if last_transform.is_isomorphic() {
-            last_transform.summary.input += &summary;
-            last_transform.summary.output += &summary;
-            return;
-        }
+    if let Some(last_transform) = transforms.last_mut()
+        && last_transform.is_isomorphic()
+    {
+        last_transform.summary.input += &summary;
+        last_transform.summary.output += &summary;
+        return;
     }
     transforms.push(Transform::isomorphic(summary));
 }
@@ -1207,7 +1223,7 @@ mod tests {
         let tab_size = NonZeroU32::new(rng.gen_range(1..=4)).unwrap();
 
         let font = test_font();
-        let _font_id = text_system.font_id(&font);
+        let _font_id = text_system.resolve_font(&font);
         let font_size = px(14.0);
 
         log::info!("Tab size: {}", tab_size);
@@ -1445,7 +1461,7 @@ mod tests {
                 }
 
                 let mut prev_ix = 0;
-                for boundary in line_wrapper.wrap_line(&[LineFragment::text(&line)], wrap_width) {
+                for boundary in line_wrapper.wrap_line(&[LineFragment::text(line)], wrap_width) {
                     wrapped_text.push_str(&line[prev_ix..boundary.ix]);
                     wrapped_text.push('\n');
                     wrapped_text.push_str(&" ".repeat(boundary.next_indent as usize));
diff --git a/crates/editor/src/inline_completion_tests.rs b/crates/editor/src/edit_prediction_tests.rs
similarity index 52%
rename from crates/editor/src/inline_completion_tests.rs
rename to crates/editor/src/edit_prediction_tests.rs
index 5ac34c94f5..bba632e81f 100644
--- a/crates/editor/src/inline_completion_tests.rs
+++ b/crates/editor/src/edit_prediction_tests.rs
@@ -1,26 +1,28 @@
+use edit_prediction::EditPredictionProvider;
 use gpui::{Entity, prelude::*};
 use indoc::indoc;
-use inline_completion::EditPredictionProvider;
 use multi_buffer::{Anchor, MultiBufferSnapshot, ToPoint};
 use project::Project;
 use std::ops::Range;
 use text::{Point, ToOffset};
 
 use crate::{
-    InlineCompletion, editor_tests::init_test, test::editor_test_context::EditorTestContext,
+    EditPrediction,
+    editor_tests::{init_test, update_test_language_settings},
+    test::editor_test_context::EditorTestContext,
 };
 
 #[gpui::test]
-async fn test_inline_completion_insert(cx: &mut gpui::TestAppContext) {
+async fn test_edit_prediction_insert(cx: &mut gpui::TestAppContext) {
     init_test(cx, |_| {});
 
     let mut cx = EditorTestContext::new(cx).await;
-    let provider = cx.new(|_| FakeInlineCompletionProvider::default());
+    let provider = cx.new(|_| FakeEditPredictionProvider::default());
     assign_editor_completion_provider(provider.clone(), &mut cx);
     cx.set_state("let absolute_zero_celsius = ˇ;");
 
     propose_edits(&provider, vec![(28..28, "-273.15")], &mut cx);
-    cx.update_editor(|editor, window, cx| editor.update_visible_inline_completion(window, cx));
+    cx.update_editor(|editor, window, cx| editor.update_visible_edit_prediction(window, cx));
 
     assert_editor_active_edit_completion(&mut cx, |_, edits| {
         assert_eq!(edits.len(), 1);
@@ -33,16 +35,16 @@ async fn test_inline_completion_insert(cx: &mut gpui::TestAppContext) {
 }
 
 #[gpui::test]
-async fn test_inline_completion_modification(cx: &mut gpui::TestAppContext) {
+async fn test_edit_prediction_modification(cx: &mut gpui::TestAppContext) {
     init_test(cx, |_| {});
 
     let mut cx = EditorTestContext::new(cx).await;
-    let provider = cx.new(|_| FakeInlineCompletionProvider::default());
+    let provider = cx.new(|_| FakeEditPredictionProvider::default());
     assign_editor_completion_provider(provider.clone(), &mut cx);
     cx.set_state("let pi = ˇ\"foo\";");
 
     propose_edits(&provider, vec![(9..14, "3.14159")], &mut cx);
-    cx.update_editor(|editor, window, cx| editor.update_visible_inline_completion(window, cx));
+    cx.update_editor(|editor, window, cx| editor.update_visible_edit_prediction(window, cx));
 
     assert_editor_active_edit_completion(&mut cx, |_, edits| {
         assert_eq!(edits.len(), 1);
@@ -55,11 +57,11 @@ async fn test_inline_completion_modification(cx: &mut gpui::TestAppContext) {
 }
 
 #[gpui::test]
-async fn test_inline_completion_jump_button(cx: &mut gpui::TestAppContext) {
+async fn test_edit_prediction_jump_button(cx: &mut gpui::TestAppContext) {
     init_test(cx, |_| {});
 
     let mut cx = EditorTestContext::new(cx).await;
-    let provider = cx.new(|_| FakeInlineCompletionProvider::default());
+    let provider = cx.new(|_| FakeEditPredictionProvider::default());
     assign_editor_completion_provider(provider.clone(), &mut cx);
 
     // Cursor is 2+ lines above the proposed edit
@@ -77,7 +79,7 @@ async fn test_inline_completion_jump_button(cx: &mut gpui::TestAppContext) {
         &mut cx,
     );
 
-    cx.update_editor(|editor, window, cx| editor.update_visible_inline_completion(window, cx));
+    cx.update_editor(|editor, window, cx| editor.update_visible_edit_prediction(window, cx));
     assert_editor_active_move_completion(&mut cx, |snapshot, move_target| {
         assert_eq!(move_target.to_point(&snapshot), Point::new(4, 3));
     });
@@ -107,7 +109,7 @@ async fn test_inline_completion_jump_button(cx: &mut gpui::TestAppContext) {
         &mut cx,
     );
 
-    cx.update_editor(|editor, window, cx| editor.update_visible_inline_completion(window, cx));
+    cx.update_editor(|editor, window, cx| editor.update_visible_edit_prediction(window, cx));
     assert_editor_active_move_completion(&mut cx, |snapshot, move_target| {
         assert_eq!(move_target.to_point(&snapshot), Point::new(1, 3));
     });
@@ -124,11 +126,11 @@ async fn test_inline_completion_jump_button(cx: &mut gpui::TestAppContext) {
 }
 
 #[gpui::test]
-async fn test_inline_completion_invalidation_range(cx: &mut gpui::TestAppContext) {
+async fn test_edit_prediction_invalidation_range(cx: &mut gpui::TestAppContext) {
     init_test(cx, |_| {});
 
     let mut cx = EditorTestContext::new(cx).await;
-    let provider = cx.new(|_| FakeInlineCompletionProvider::default());
+    let provider = cx.new(|_| FakeEditPredictionProvider::default());
     assign_editor_completion_provider(provider.clone(), &mut cx);
 
     // Cursor is 3+ lines above the proposed edit
@@ -148,7 +150,7 @@ async fn test_inline_completion_invalidation_range(cx: &mut gpui::TestAppContext
         &mut cx,
     );
 
-    cx.update_editor(|editor, window, cx| editor.update_visible_inline_completion(window, cx));
+    cx.update_editor(|editor, window, cx| editor.update_visible_edit_prediction(window, cx));
     assert_editor_active_move_completion(&mut cx, |snapshot, move_target| {
         assert_eq!(move_target.to_point(&snapshot), edit_location);
     });
@@ -176,7 +178,7 @@ async fn test_inline_completion_invalidation_range(cx: &mut gpui::TestAppContext
         line
     "});
     cx.editor(|editor, _, _| {
-        assert!(editor.active_inline_completion.is_none());
+        assert!(editor.active_edit_prediction.is_none());
     });
 
     // Cursor is 3+ lines below the proposed edit
@@ -196,7 +198,7 @@ async fn test_inline_completion_invalidation_range(cx: &mut gpui::TestAppContext
         &mut cx,
     );
 
-    cx.update_editor(|editor, window, cx| editor.update_visible_inline_completion(window, cx));
+    cx.update_editor(|editor, window, cx| editor.update_visible_edit_prediction(window, cx));
     assert_editor_active_move_completion(&mut cx, |snapshot, move_target| {
         assert_eq!(move_target.to_point(&snapshot), edit_location);
     });
@@ -224,7 +226,88 @@ async fn test_inline_completion_invalidation_range(cx: &mut gpui::TestAppContext
         line ˇ5
     "});
     cx.editor(|editor, _, _| {
-        assert!(editor.active_inline_completion.is_none());
+        assert!(editor.active_edit_prediction.is_none());
+    });
+}
+
+#[gpui::test]
+async fn test_edit_prediction_jump_disabled_for_non_zed_providers(cx: &mut gpui::TestAppContext) {
+    init_test(cx, |_| {});
+
+    let mut cx = EditorTestContext::new(cx).await;
+    let provider = cx.new(|_| FakeNonZedEditPredictionProvider::default());
+    assign_editor_completion_provider_non_zed(provider.clone(), &mut cx);
+
+    // Cursor is 2+ lines above the proposed edit
+    cx.set_state(indoc! {"
+        line 0
+        line ˇ1
+        line 2
+        line 3
+        line
+    "});
+
+    propose_edits_non_zed(
+        &provider,
+        vec![(Point::new(4, 3)..Point::new(4, 3), " 4")],
+        &mut cx,
+    );
+
+    cx.update_editor(|editor, window, cx| editor.update_visible_edit_prediction(window, cx));
+
+    // For non-Zed providers, there should be no move completion (jump functionality disabled)
+    cx.editor(|editor, _, _| {
+        if let Some(completion_state) = &editor.active_edit_prediction {
+            // Should be an Edit prediction, not a Move prediction
+            match &completion_state.completion {
+                EditPrediction::Edit { .. } => {
+                    // This is expected for non-Zed providers
+                }
+                EditPrediction::Move { .. } => {
+                    panic!(
+                        "Non-Zed providers should not show Move predictions (jump functionality)"
+                    );
+                }
+            }
+        }
+    });
+}
+
+#[gpui::test]
+async fn test_edit_predictions_disabled_in_scope(cx: &mut gpui::TestAppContext) {
+    init_test(cx, |_| {});
+
+    update_test_language_settings(cx, |settings| {
+        settings.defaults.edit_predictions_disabled_in = Some(vec!["string".to_string()]);
+    });
+
+    let mut cx = EditorTestContext::new(cx).await;
+    let provider = cx.new(|_| FakeEditPredictionProvider::default());
+    assign_editor_completion_provider(provider.clone(), &mut cx);
+
+    let language = languages::language("javascript", tree_sitter_typescript::LANGUAGE_TSX.into());
+    cx.update_buffer(|buffer, cx| buffer.set_language(Some(language), cx));
+
+    // Test disabled inside of string
+    cx.set_state("const x = \"hello ˇworld\";");
+    propose_edits(&provider, vec![(17..17, "beautiful ")], &mut cx);
+    cx.update_editor(|editor, window, cx| editor.update_visible_edit_prediction(window, cx));
+    cx.editor(|editor, _, _| {
+        assert!(
+            editor.active_edit_prediction.is_none(),
+            "Edit predictions should be disabled in string scopes when configured in edit_predictions_disabled_in"
+        );
+    });
+
+    // Test enabled outside of string
+    cx.set_state("const x = \"hello world\"; ˇ");
+    propose_edits(&provider, vec![(24..24, "// comment")], &mut cx);
+    cx.update_editor(|editor, window, cx| editor.update_visible_edit_prediction(window, cx));
+    cx.editor(|editor, _, _| {
+        assert!(
+            editor.active_edit_prediction.is_some(),
+            "Edit predictions should work outside of disabled scopes"
+        );
     });
 }
 
@@ -234,11 +317,11 @@ fn assert_editor_active_edit_completion(
 ) {
     cx.editor(|editor, _, cx| {
         let completion_state = editor
-            .active_inline_completion
+            .active_edit_prediction
             .as_ref()
             .expect("editor has no active completion");
 
-        if let InlineCompletion::Edit { edits, .. } = &completion_state.completion {
+        if let EditPrediction::Edit { edits, .. } = &completion_state.completion {
             assert(editor.buffer().read(cx).snapshot(cx), edits);
         } else {
             panic!("expected edit completion");
@@ -252,11 +335,11 @@ fn assert_editor_active_move_completion(
 ) {
     cx.editor(|editor, _, cx| {
         let completion_state = editor
-            .active_inline_completion
+            .active_edit_prediction
             .as_ref()
             .expect("editor has no active completion");
 
-        if let InlineCompletion::Move { target, .. } = &completion_state.completion {
+        if let EditPrediction::Move { target, .. } = &completion_state.completion {
             assert(editor.buffer().read(cx).snapshot(cx), *target);
         } else {
             panic!("expected move completion");
@@ -271,7 +354,7 @@ fn accept_completion(cx: &mut EditorTestContext) {
 }
 
 fn propose_edits<T: ToOffset>(
-    provider: &Entity<FakeInlineCompletionProvider>,
+    provider: &Entity<FakeEditPredictionProvider>,
     edits: Vec<(Range<T>, &str)>,
     cx: &mut EditorTestContext,
 ) {
@@ -283,7 +366,7 @@ fn propose_edits<T: ToOffset>(
 
     cx.update(|_, cx| {
         provider.update(cx, |provider, _| {
-            provider.set_inline_completion(Some(inline_completion::InlineCompletion {
+            provider.set_edit_prediction(Some(edit_prediction::EditPrediction {
                 id: None,
                 edits: edits.collect(),
                 edit_preview: None,
@@ -293,7 +376,38 @@ fn propose_edits<T: ToOffset>(
 }
 
 fn assign_editor_completion_provider(
-    provider: Entity<FakeInlineCompletionProvider>,
+    provider: Entity<FakeEditPredictionProvider>,
+    cx: &mut EditorTestContext,
+) {
+    cx.update_editor(|editor, window, cx| {
+        editor.set_edit_prediction_provider(Some(provider), window, cx);
+    })
+}
+
+fn propose_edits_non_zed<T: ToOffset>(
+    provider: &Entity<FakeNonZedEditPredictionProvider>,
+    edits: Vec<(Range<T>, &str)>,
+    cx: &mut EditorTestContext,
+) {
+    let snapshot = cx.buffer_snapshot();
+    let edits = edits.into_iter().map(|(range, text)| {
+        let range = snapshot.anchor_after(range.start)..snapshot.anchor_before(range.end);
+        (range, text.into())
+    });
+
+    cx.update(|_, cx| {
+        provider.update(cx, |provider, _| {
+            provider.set_edit_prediction(Some(edit_prediction::EditPrediction {
+                id: None,
+                edits: edits.collect(),
+                edit_preview: None,
+            }))
+        })
+    });
+}
+
+fn assign_editor_completion_provider_non_zed(
+    provider: Entity<FakeNonZedEditPredictionProvider>,
     cx: &mut EditorTestContext,
 ) {
     cx.update_editor(|editor, window, cx| {
@@ -302,20 +416,17 @@ fn assign_editor_completion_provider(
 }
 
 #[derive(Default, Clone)]
-pub struct FakeInlineCompletionProvider {
-    pub completion: Option<inline_completion::InlineCompletion>,
+pub struct FakeEditPredictionProvider {
+    pub completion: Option<edit_prediction::EditPrediction>,
 }
 
-impl FakeInlineCompletionProvider {
-    pub fn set_inline_completion(
-        &mut self,
-        completion: Option<inline_completion::InlineCompletion>,
-    ) {
+impl FakeEditPredictionProvider {
+    pub fn set_edit_prediction(&mut self, completion: Option<edit_prediction::EditPrediction>) {
         self.completion = completion;
     }
 }
 
-impl EditPredictionProvider for FakeInlineCompletionProvider {
+impl EditPredictionProvider for FakeEditPredictionProvider {
     fn name() -> &'static str {
         "fake-completion-provider"
     }
@@ -328,6 +439,84 @@ impl EditPredictionProvider for FakeInlineCompletionProvider {
         false
     }
 
+    fn supports_jump_to_edit() -> bool {
+        true
+    }
+
+    fn is_enabled(
+        &self,
+        _buffer: &gpui::Entity<language::Buffer>,
+        _cursor_position: language::Anchor,
+        _cx: &gpui::App,
+    ) -> bool {
+        true
+    }
+
+    fn is_refreshing(&self) -> bool {
+        false
+    }
+
+    fn refresh(
+        &mut self,
+        _project: Option<Entity<Project>>,
+        _buffer: gpui::Entity<language::Buffer>,
+        _cursor_position: language::Anchor,
+        _debounce: bool,
+        _cx: &mut gpui::Context<Self>,
+    ) {
+    }
+
+    fn cycle(
+        &mut self,
+        _buffer: gpui::Entity<language::Buffer>,
+        _cursor_position: language::Anchor,
+        _direction: edit_prediction::Direction,
+        _cx: &mut gpui::Context<Self>,
+    ) {
+    }
+
+    fn accept(&mut self, _cx: &mut gpui::Context<Self>) {}
+
+    fn discard(&mut self, _cx: &mut gpui::Context<Self>) {}
+
+    fn suggest<'a>(
+        &mut self,
+        _buffer: &gpui::Entity<language::Buffer>,
+        _cursor_position: language::Anchor,
+        _cx: &mut gpui::Context<Self>,
+    ) -> Option<edit_prediction::EditPrediction> {
+        self.completion.clone()
+    }
+}
+
+#[derive(Default, Clone)]
+pub struct FakeNonZedEditPredictionProvider {
+    pub completion: Option<edit_prediction::EditPrediction>,
+}
+
+impl FakeNonZedEditPredictionProvider {
+    pub fn set_edit_prediction(&mut self, completion: Option<edit_prediction::EditPrediction>) {
+        self.completion = completion;
+    }
+}
+
+impl EditPredictionProvider for FakeNonZedEditPredictionProvider {
+    fn name() -> &'static str {
+        "fake-non-zed-provider"
+    }
+
+    fn display_name() -> &'static str {
+        "Fake Non-Zed Provider"
+    }
+
+    fn show_completions_in_menu() -> bool {
+        false
+    }
+
+    fn supports_jump_to_edit() -> bool {
+        false
+    }
+
     fn is_enabled(
         &self,
         _buffer: &gpui::Entity<language::Buffer>,
@@ -355,7 +544,7 @@ impl EditPredictionProvider for FakeInlineCompletionProvider {
         &mut self,
         _buffer: gpui::Entity<language::Buffer>,
         _cursor_position: language::Anchor,
-        _direction: inline_completion::Direction,
+        _direction: edit_prediction::Direction,
         _cx: &mut gpui::Context<Self>,
     ) {
     }
@@ -369,7 +558,7 @@ impl EditPredictionProvider for FakeInlineCompletionProvider {
         _buffer: &gpui::Entity<language::Buffer>,
         _cursor_position: language::Anchor,
         _cx: &mut gpui::Context<Self>,
-    ) -> Option<inline_completion::InlineCompletion> {
+    ) -> Option<edit_prediction::EditPrediction> {
         self.completion.clone()
     }
 }
diff --git a/crates/editor/src/editor.rs b/crates/editor/src/editor.rs
index 3516eff45c..29e009fdf8 100644
--- a/crates/editor/src/editor.rs
+++ b/crates/editor/src/editor.rs
@@ -43,50 +43,65 @@ pub mod tasks;
 #[cfg(test)]
 mod code_completion_tests;
 #[cfg(test)]
-mod editor_tests;
+mod edit_prediction_tests;
 #[cfg(test)]
-mod inline_completion_tests;
+mod editor_tests;
 mod signature_help;
 #[cfg(any(test, feature = "test-support"))]
 pub mod test;
 
 pub(crate) use actions::*;
-pub use actions::{AcceptEditPrediction, OpenExcerpts, OpenExcerptsSplit};
-use aho_corasick::AhoCorasick;
-use anyhow::{Context as _, Result, anyhow};
-use blink_manager::BlinkManager;
-use buffer_diff::DiffHunkStatus;
-use client::{Collaborator, DisableAiSettings, ParticipantIndex};
-use clock::{AGENT_REPLICA_ID, ReplicaId};
-use collections::{BTreeMap, HashMap, HashSet, VecDeque};
-use convert_case::{Case, Casing};
-use dap::TelemetrySpawnLocation;
-use display_map::*;
 pub use display_map::{ChunkRenderer, ChunkRendererContext, DisplayPoint, FoldPlaceholder};
+pub use edit_prediction::Direction;
 pub use editor_settings::{
     CurrentLineHighlight, DocumentColorsRenderMode, EditorSettings, HideMouseMode,
     ScrollBeyondLastLine, ScrollbarAxes, SearchSettings, ShowMinimap, ShowScrollbar,
 };
-use editor_settings::{GoToDefinitionFallback, Minimap as MinimapSettings};
 pub use editor_settings_controls::*;
-use element::{AcceptEditPredictionBinding, LineWithInvisibles, PositionMap, layout_line};
 pub use element::{
     CursorLayout, EditorElement, HighlightedRange, HighlightedRangeLine, PointForPosition,
 };
+pub use git::blame::BlameRenderer;
+pub use hover_popover::hover_markdown_style;
+pub use items::MAX_TAB_TITLE_LEN;
+pub use lsp::CompletionContext;
+pub use lsp_ext::lsp_tasks;
+pub use multi_buffer::{
+    Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, PathKey,
+    RowInfo, ToOffset, ToPoint,
+};
+pub use proposed_changes_editor::{
+    ProposedChangeLocation, ProposedChangesEditor, ProposedChangesEditorToolbar,
+};
+pub use text::Bias;
+
+use ::git::{
+    Restore,
+    blame::{BlameEntry, ParsedCommitMessage},
+};
+use aho_corasick::AhoCorasick;
+use anyhow::{Context as _, Result, anyhow};
+use blink_manager::BlinkManager;
+use buffer_diff::DiffHunkStatus;
+use client::{Collaborator, ParticipantIndex};
+use clock::{AGENT_REPLICA_ID, ReplicaId};
+use code_context_menus::{
+    AvailableCodeAction, CodeActionContents, CodeActionsItem, CodeActionsMenu, CodeContextMenu,
+    CompletionsMenu, ContextMenuOrigin,
+};
+use collections::{BTreeMap, HashMap, HashSet, VecDeque};
+use convert_case::{Case, Casing};
+use dap::TelemetrySpawnLocation;
+use display_map::*;
+use edit_prediction::{EditPredictionProvider, EditPredictionProviderHandle};
+use editor_settings::{GoToDefinitionFallback, Minimap as MinimapSettings};
+use element::{AcceptEditPredictionBinding, LineWithInvisibles, PositionMap, layout_line};
 use futures::{
     FutureExt, StreamExt as _,
     future::{self, Shared, join},
     stream::FuturesUnordered,
 };
 use fuzzy::{StringMatch, StringMatchCandidate};
-use lsp_colors::LspColorData;
-
-use ::git::blame::BlameEntry;
-use ::git::{Restore, blame::ParsedCommitMessage};
-use code_context_menus::{
-    AvailableCodeAction, CodeActionContents, CodeActionsItem, CodeActionsMenu, CodeContextMenu,
-    CompletionsMenu, ContextMenuOrigin,
-};
 use git::blame::{GitBlame, GlobalBlameRenderer};
 use gpui::{
     Action, Animation, AnimationExt, AnyElement, App, AppContext, AsyncWindowContext,
@@ -100,32 +115,42 @@ use gpui::{
 };
 use highlight_matching_bracket::refresh_matching_bracket_highlights;
 use hover_links::{HoverLink, HoveredLinkState, InlayHighlight, find_file};
-pub use hover_popover::hover_markdown_style;
 use hover_popover::{HoverState, hide_hover};
 use indent_guides::ActiveIndentGuidesState;
 use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};
-pub use inline_completion::Direction;
-use inline_completion::{EditPredictionProvider, InlineCompletionProviderHandle};
-pub use items::MAX_TAB_TITLE_LEN;
-use itertools::Itertools;
+use itertools::{Either, Itertools};
 use language::{
-    AutoindentMode, BlockCommentConfig, BracketMatch, BracketPair, Buffer, Capability, CharKind,
-    CodeLabel, CursorShape, DiagnosticEntry, DiffOptions, EditPredictionsMode, EditPreview,
-    HighlightedText, IndentKind, IndentSize, Language, OffsetRangeExt, Point, Selection,
-    SelectionGoal, TextObject, TransactionId, TreeSitterOptions, WordsQuery,
+    AutoindentMode, BlockCommentConfig, BracketMatch, BracketPair, Buffer, BufferRow,
+    BufferSnapshot, Capability, CharClassifier, CharKind, CodeLabel, CursorShape, DiagnosticEntry,
+    DiffOptions, EditPredictionsMode, EditPreview, HighlightedText, IndentKind, IndentSize,
+    Language, OffsetRangeExt, Point, Runnable, RunnableRange, Selection, SelectionGoal, TextObject,
+    TransactionId, TreeSitterOptions, WordsQuery,
     language_settings::{
         self, InlayHintSettings, LspInsertMode, RewrapBehavior, WordsCompletionMode,
         all_language_settings, language_settings,
     },
-    point_from_lsp, text_diff_with_options,
+    point_from_lsp, point_to_lsp, text_diff_with_options,
 };
-use language::{BufferRow, CharClassifier, Runnable, RunnableRange, point_to_lsp};
 use linked_editing_ranges::refresh_linked_ranges;
+use lsp::{
+    CodeActionKind, CompletionItemKind, CompletionTriggerKind, InsertTextFormat, InsertTextMode,
+    LanguageServerId,
+};
+use lsp_colors::LspColorData;
 use markdown::Markdown;
 use mouse_context_menu::MouseContextMenu;
+use movement::TextLayoutDetails;
+use multi_buffer::{
+    ExcerptInfo, ExpandExcerptDirection, MultiBufferDiffHunk, MultiBufferPoint, MultiBufferRow,
+    MultiOrSingleBufferOffsetRange, ToOffsetUtf16,
+};
+use parking_lot::Mutex;
 use persistence::DB;
 use project::{
-    BreakpointWithPosition, CompletionResponse, ProjectPath,
+    BreakpointWithPosition, CodeAction, Completion, CompletionIntent, CompletionResponse,
+    CompletionSource, DisableAiSettings, DocumentHighlight, InlayHint, Location, LocationLink,
+    PrepareRenameResponse, Project, ProjectItem, ProjectPath, ProjectTransaction, TaskSourceKind,
+    debugger::breakpoint_store::Breakpoint,
     debugger::{
         breakpoint_store::{
             BreakpointEditAction, BreakpointSessionState, BreakpointState, BreakpointStore,
@@ -134,44 +159,12 @@ use project::{
         session::{Session, SessionEvent},
     },
     git_store::{GitStoreEvent, RepositoryEvent},
-    project_settings::{DiagnosticSeverity, GoToDiagnosticSeverityFilter},
-};
-
-pub use git::blame::BlameRenderer;
-pub use proposed_changes_editor::{
-    ProposedChangeLocation, ProposedChangesEditor, ProposedChangesEditorToolbar,
-};
-use std::{cell::OnceCell, iter::Peekable, ops::Not};
-use task::{ResolvedTask, RunnableTag, TaskTemplate, TaskVariables};
-
-pub use lsp::CompletionContext;
-use lsp::{
-    CodeActionKind, CompletionItemKind, CompletionTriggerKind, InsertTextFormat, InsertTextMode,
-    LanguageServerId, LanguageServerName,
-};
-
-use language::BufferSnapshot;
-pub use lsp_ext::lsp_tasks;
-use movement::TextLayoutDetails;
-pub use multi_buffer::{
-    Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, PathKey,
-    RowInfo, ToOffset, ToPoint,
-};
-use multi_buffer::{
-    ExcerptInfo, ExpandExcerptDirection, MultiBufferDiffHunk, MultiBufferPoint, MultiBufferRow,
-    MultiOrSingleBufferOffsetRange, ToOffsetUtf16,
-};
-use parking_lot::Mutex;
-use project::{
-    CodeAction, Completion, CompletionIntent, CompletionSource, DocumentHighlight, InlayHint,
-    Location, LocationLink, PrepareRenameResponse, Project, ProjectItem, ProjectTransaction,
-    TaskSourceKind,
-    debugger::breakpoint_store::Breakpoint,
     lsp_store::{CompletionDocumentation, FormatTrigger, LspFormatTarget, OpenLspBufferHandle},
+    project_settings::{DiagnosticSeverity, GoToDiagnosticSeverityFilter},
     project_settings::{GitGutterSetting, ProjectSettings},
 };
-use rand::prelude::*;
-use rpc::{ErrorExt, proto::*};
+use rand::{seq::SliceRandom, thread_rng};
+use rpc::{ErrorCode, ErrorExt, proto::PeerId};
 use scroll::{Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide};
 use selections_collection::{
     MutableSelectionsCollection, SelectionsCollection, resolve_selections,
@@ -180,21 +173,24 @@ use serde::{Deserialize, Serialize};
 use settings::{Settings, SettingsLocation, SettingsStore, update_settings_file};
 use smallvec::{SmallVec, smallvec};
 use snippet::Snippet;
-use std::sync::Arc;
 use std::{
     any::TypeId,
     borrow::Cow,
+    cell::OnceCell,
     cell::RefCell,
     cmp::{self, Ordering, Reverse},
+    iter::Peekable,
     mem,
     num::NonZeroU32,
+    ops::Not,
     ops::{ControlFlow, Deref, DerefMut, Range, RangeInclusive},
     path::{Path, PathBuf},
     rc::Rc,
+    sync::Arc,
     time::{Duration, Instant},
 };
-pub use sum_tree::Bias;
 use sum_tree::TreeMap;
+use task::{ResolvedTask, RunnableTag, TaskTemplate, TaskVariables};
 use text::{BufferId, FromAnchor, OffsetUtf16, Rope};
 use theme::{
     ActiveTheme, PlayerColor, StatusColors, SyntaxTheme, Theme, ThemeSettings,
@@ -213,14 +209,11 @@ use workspace::{
     notifications::{DetachAndPromptErr, NotificationId, NotifyTaskExt},
     searchable::SearchEvent,
 };
-use zed_actions;
 
 use crate::{
     code_context_menus::CompletionsMenuSource,
-    hover_links::{find_url, find_url_from_range},
-};
-use crate::{
     editor_settings::MultiCursorModifier,
+    hover_links::{find_url, find_url_from_range},
     signature_help::{SignatureHelpHiddenBy, SignatureHelpState},
 };
 
@@ -257,6 +250,22 @@ pub type RenderDiffHunkControlsFn = Arc<
     ) -> AnyElement,
 >;
 
+enum ReportEditorEvent {
+    Saved { auto_saved: bool },
+    EditorOpened,
+    Closed,
+}
+
+impl ReportEditorEvent {
+    pub fn event_type(&self) -> &'static str {
+        match self {
+            Self::Saved { .. } => "Editor Saved",
+            Self::EditorOpened => "Editor Opened",
+            Self::Closed => "Editor Closed",
+        }
+    }
+}
+
 struct InlineValueCache {
     enabled: bool,
     inlays: Vec<InlayId>,
@@ -275,7 +284,7 @@ impl InlineValueCache {
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub enum InlayId {
-    InlineCompletion(usize),
+    EditPrediction(usize),
     DebuggerValue(usize),
     // LSP
     Hint(usize),
@@ -285,7 +294,7 @@ pub enum InlayId {
 impl InlayId {
     fn id(&self) -> usize {
         match self {
-            Self::InlineCompletion(id) => *id,
+            Self::EditPrediction(id) => *id,
             Self::DebuggerValue(id) => *id,
             Self::Hint(id) => *id,
             Self::Color(id) => *id,
@@ -554,7 +563,7 @@ pub struct EditorStyle {
     pub syntax: Arc<SyntaxTheme>,
     pub status: StatusColors,
     pub inlay_hints_style: HighlightStyle,
-    pub inline_completion_styles: InlineCompletionStyles,
+    pub edit_prediction_styles: EditPredictionStyles,
     pub unnecessary_code_fade: f32,
     pub show_underlines: bool,
 }
@@ -573,7 +582,7 @@ impl Default for EditorStyle {
             // style and retrieve them directly from the theme.
             status: StatusColors::dark(),
             inlay_hints_style: HighlightStyle::default(),
-            inline_completion_styles: InlineCompletionStyles {
+            edit_prediction_styles: EditPredictionStyles {
                 insertion: HighlightStyle::default(),
                 whitespace: HighlightStyle::default(),
             },
@@ -595,8 +604,8 @@ pub fn make_inlay_hints_style(cx: &mut App) -> HighlightStyle {
     }
 }
 
-pub fn make_suggestion_styles(cx: &mut App) -> InlineCompletionStyles {
-    InlineCompletionStyles {
+pub fn make_suggestion_styles(cx: &mut App) -> EditPredictionStyles {
+    EditPredictionStyles {
         insertion: HighlightStyle {
             color: Some(cx.theme().status().predictive),
             ..HighlightStyle::default()
@@ -616,7 +625,7 @@ pub(crate) enum EditDisplayMode {
     Inline,
 }
 
-enum InlineCompletion {
+enum EditPrediction {
     Edit {
         edits: Vec<(Range<Anchor>, String)>,
         edit_preview: Option<EditPreview>,
@@ -629,9 +638,9 @@ enum InlineCompletion {
     },
 }
 
-struct InlineCompletionState {
+struct EditPredictionState {
     inlay_ids: Vec<InlayId>,
-    completion: InlineCompletion,
+    completion: EditPrediction,
     completion_id: Option<SharedString>,
     invalidation_range: Range<Anchor>,
 }
@@ -644,7 +653,7 @@ enum EditPredictionSettings {
     },
 }
 
-enum InlineCompletionHighlight {}
+enum EditPredictionHighlight {}
 
 #[derive(Debug, Clone)]
 struct InlineDiagnostic {
@@ -655,7 +664,7 @@ struct InlineDiagnostic {
     severity: lsp::DiagnosticSeverity,
 }
 
-pub enum MenuInlineCompletionsPolicy {
+pub enum MenuEditPredictionsPolicy {
     Never,
     ByProvider,
 }
@@ -771,10 +780,7 @@ impl MinimapVisibility {
     }
 
     fn disabled(&self) -> bool {
-        match *self {
-            Self::Disabled => true,
-            _ => false,
-        }
+        matches!(*self, Self::Disabled)
     }
 
     fn settings_visibility(&self) -> bool {
@@ -931,10 +937,10 @@ impl ChangeList {
     }
 
     pub fn invert_last_group(&mut self) {
-        if let Some(last) = self.changes.last_mut() {
-            if let Some(current) = last.current.as_mut() {
-                mem::swap(&mut last.original, current);
-            }
+        if let Some(last) = self.changes.last_mut()
+            && let Some(current) = last.current.as_mut()
+        {
+            mem::swap(&mut last.original, current);
         }
     }
 }
@@ -1028,9 +1034,7 @@ pub struct Editor {
     inline_diagnostics: Vec<(Anchor, InlineDiagnostic)>,
     soft_wrap_mode_override: Option<language_settings::SoftWrap>,
     hard_wrap: Option<usize>,
-
-    // TODO: make this a access method
-    pub project: Option<Entity<Project>>,
+    project: Option<Entity<Project>>,
     semantics_provider: Option<Rc<dyn SemanticsProvider>>,
     completion_provider: Option<Rc<dyn CompletionProvider>>,
     collaboration_hub: Option<Box<dyn CollaborationHub>>,
@@ -1094,15 +1098,15 @@ pub struct Editor {
     pending_mouse_down: Option<Rc<RefCell<Option<MouseDownEvent>>>>,
     gutter_hovered: bool,
     hovered_link_state: Option<HoveredLinkState>,
-    edit_prediction_provider: Option<RegisteredInlineCompletionProvider>,
+    edit_prediction_provider: Option<RegisteredEditPredictionProvider>,
     code_action_providers: Vec<Rc<dyn CodeActionProvider>>,
-    active_inline_completion: Option<InlineCompletionState>,
+    active_edit_prediction: Option<EditPredictionState>,
     /// Used to prevent flickering as the user types while the menu is open
-    stale_inline_completion_in_menu: Option<InlineCompletionState>,
+    stale_edit_prediction_in_menu: Option<EditPredictionState>,
     edit_prediction_settings: EditPredictionSettings,
-    inline_completions_hidden_for_vim_mode: bool,
-    show_inline_completions_override: Option<bool>,
-    menu_inline_completions_policy: MenuInlineCompletionsPolicy,
+    edit_predictions_hidden_for_vim_mode: bool,
+    show_edit_predictions_override: Option<bool>,
+    menu_edit_predictions_policy: MenuEditPredictionsPolicy,
     edit_prediction_preview: EditPredictionPreview,
     edit_prediction_indent_conflict: bool,
     edit_prediction_requires_modifier_in_indent_conflict: bool,
@@ -1420,7 +1424,7 @@ impl SelectionHistory {
         if self
             .undo_stack
             .back()
-            .map_or(true, |e| e.selections != entry.selections)
+            .is_none_or(|e| e.selections != entry.selections)
         {
             self.undo_stack.push_back(entry);
             if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
@@ -1433,7 +1437,7 @@ impl SelectionHistory {
         if self
             .redo_stack
             .back()
-            .map_or(true, |e| e.selections != entry.selections)
+            .is_none_or(|e| e.selections != entry.selections)
         {
             self.redo_stack.push_back(entry);
             if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
@@ -1517,8 +1521,8 @@ pub struct RenameState {
 
 struct InvalidationStack<T>(Vec<T>);
 
-struct RegisteredInlineCompletionProvider {
-    provider: Arc<dyn InlineCompletionProviderHandle>,
+struct RegisteredEditPredictionProvider {
+    provider: Arc<dyn EditPredictionProviderHandle>,
     _subscription: Subscription,
 }
 
@@ -1848,114 +1852,166 @@ impl Editor {
             blink_manager
         });
 
-        let soft_wrap_mode_override = matches!(mode, EditorMode::SingleLine { .. })
-            .then(|| language_settings::SoftWrap::None);
+        let soft_wrap_mode_override =
+            matches!(mode, EditorMode::SingleLine).then(|| language_settings::SoftWrap::None);
 
         let mut project_subscriptions = Vec::new();
-        if full_mode {
-            if let Some(project) = project.as_ref() {
-                project_subscriptions.push(cx.subscribe_in(
-                    project,
-                    window,
-                    |editor, _, event, window, cx| match event {
-                        project::Event::RefreshCodeLens => {
-                            // we always query lens with actions, without storing them, always refreshing them
+        if full_mode && let Some(project) = project.as_ref() {
+            project_subscriptions.push(cx.subscribe_in(
+                project,
+                window,
+                |editor, _, event, window, cx| match event {
+                    project::Event::RefreshCodeLens => {
+                        // we always query lens with actions, without storing them, always refreshing them
+                    }
+                    project::Event::RefreshInlayHints => {
+                        editor.refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
+                    }
+                    project::Event::LanguageServerAdded(..)
+                    | project::Event::LanguageServerRemoved(..) => {
+                        if editor.tasks_update_task.is_none() {
+                            editor.tasks_update_task = Some(editor.refresh_runnables(window, cx));
                         }
-                        project::Event::RefreshInlayHints => {
-                            editor
-                                .refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
-                        }
-                        project::Event::LanguageServerAdded(..)
-                        | project::Event::LanguageServerRemoved(..) => {
-                            if editor.tasks_update_task.is_none() {
-                                editor.tasks_update_task =
-                                    Some(editor.refresh_runnables(window, cx));
-                            }
-                            editor.update_lsp_data(true, None, window, cx);
-                        }
-                        project::Event::SnippetEdit(id, snippet_edits) => {
-                            if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
-                                let focus_handle = editor.focus_handle(cx);
-                                if focus_handle.is_focused(window) {
-                                    let snapshot = buffer.read(cx).snapshot();
-                                    for (range, snippet) in snippet_edits {
-                                        let editor_range =
-                                            language::range_from_lsp(*range).to_offset(&snapshot);
-                                        editor
-                                            .insert_snippet(
-                                                &[editor_range],
-                                                snippet.clone(),
-                                                window,
-                                                cx,
-                                            )
-                                            .ok();
-                                    }
+                    }
+                    project::Event::SnippetEdit(id, snippet_edits) => {
+                        if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
+                            let focus_handle = editor.focus_handle(cx);
+                            if focus_handle.is_focused(window) {
+                                let snapshot = buffer.read(cx).snapshot();
+                                for (range, snippet) in snippet_edits {
+                                    let editor_range =
+                                        language::range_from_lsp(*range).to_offset(&snapshot);
+                                    editor
+                                        .insert_snippet(
+                                            &[editor_range],
+                                            snippet.clone(),
+                                            window,
+                                            cx,
+                                        )
+                                        .ok();
                                 }
                             }
                         }
-                        _ => {}
-                    },
-                ));
-                if let Some(task_inventory) = project
-                    .read(cx)
-                    .task_store()
-                    .read(cx)
-                    .task_inventory()
-                    .cloned()
-                {
-                    project_subscriptions.push(cx.observe_in(
-                        &task_inventory,
-                        window,
-                        |editor, _, window, cx| {
-                            editor.tasks_update_task = Some(editor.refresh_runnables(window, cx));
-                        },
-                    ));
-                };
-
-                project_subscriptions.push(cx.subscribe_in(
-                    &project.read(cx).breakpoint_store(),
-                    window,
-                    |editor, _, event, window, cx| match event {
-                        BreakpointStoreEvent::ClearDebugLines => {
-                            editor.clear_row_highlights::<ActiveDebugLine>();
-                            editor.refresh_inline_values(cx);
-                        }
-                        BreakpointStoreEvent::SetDebugLine => {
-                            if editor.go_to_active_debug_line(window, cx) {
-                                cx.stop_propagation();
-                            }
-
-                            editor.refresh_inline_values(cx);
-                        }
-                        _ => {}
-                    },
-                ));
-                let git_store = project.read(cx).git_store().clone();
-                let project = project.clone();
-                project_subscriptions.push(cx.subscribe(&git_store, move |this, _, event, cx| {
-                    match event {
-                        GitStoreEvent::RepositoryUpdated(
-                            _,
-                            RepositoryEvent::Updated {
-                                new_instance: true, ..
-                            },
-                            _,
-                        ) => {
-                            this.load_diff_task = Some(
-                                update_uncommitted_diff_for_buffer(
-                                    cx.entity(),
-                                    &project,
-                                    this.buffer.read(cx).all_buffers(),
-                                    this.buffer.clone(),
-                                    cx,
-                                )
-                                .shared(),
-                            );
-                        }
-                        _ => {}
                     }
-                }));
-            }
+                    project::Event::LanguageServerBufferRegistered { buffer_id, .. } => {
+                        if editor.buffer().read(cx).buffer(*buffer_id).is_some() {
+                            editor.update_lsp_data(false, Some(*buffer_id), window, cx);
+                        }
+                    }
+
+                    project::Event::EntryRenamed(transaction) => {
+                        let Some(workspace) = editor.workspace() else {
+                            return;
+                        };
+                        let Some(active_editor) = workspace.read(cx).active_item_as::<Self>(cx)
+                        else {
+                            return;
+                        };
+                        if active_editor.entity_id() == cx.entity_id() {
+                            let edited_buffers_already_open = {
+                                let other_editors: Vec<Entity<Editor>> = workspace
+                                    .read(cx)
+                                    .panes()
+                                    .iter()
+                                    .flat_map(|pane| pane.read(cx).items_of_type::<Editor>())
+                                    .filter(|editor| editor.entity_id() != cx.entity_id())
+                                    .collect();
+
+                                transaction.0.keys().all(|buffer| {
+                                    other_editors.iter().any(|editor| {
+                                        let multi_buffer = editor.read(cx).buffer();
+                                        multi_buffer.read(cx).is_singleton()
+                                            && multi_buffer.read(cx).as_singleton().map_or(
+                                                false,
+                                                |singleton| {
+                                                    singleton.entity_id() == buffer.entity_id()
+                                                },
+                                            )
+                                    })
+                                })
+                            };
+
+                            if !edited_buffers_already_open {
+                                let workspace = workspace.downgrade();
+                                let transaction = transaction.clone();
+                                cx.defer_in(window, move |_, window, cx| {
+                                    cx.spawn_in(window, async move |editor, cx| {
+                                        Self::open_project_transaction(
+                                            &editor,
+                                            workspace,
+                                            transaction,
+                                            "Rename".to_string(),
+                                            cx,
+                                        )
+                                        .await
+                                        .ok()
+                                    })
+                                    .detach();
+                                });
+                            }
+                        }
+                    }
+
+                    _ => {}
+                },
+            ));
+            if let Some(task_inventory) = project
+                .read(cx)
+                .task_store()
+                .read(cx)
+                .task_inventory()
+                .cloned()
+            {
+                project_subscriptions.push(cx.observe_in(
+                    &task_inventory,
+                    window,
+                    |editor, _, window, cx| {
+                        editor.tasks_update_task = Some(editor.refresh_runnables(window, cx));
+                    },
+                ));
+            };
+
+            project_subscriptions.push(cx.subscribe_in(
+                &project.read(cx).breakpoint_store(),
+                window,
+                |editor, _, event, window, cx| match event {
+                    BreakpointStoreEvent::ClearDebugLines => {
+                        editor.clear_row_highlights::<ActiveDebugLine>();
+                        editor.refresh_inline_values(cx);
+                    }
+                    BreakpointStoreEvent::SetDebugLine => {
+                        if editor.go_to_active_debug_line(window, cx) {
+                            cx.stop_propagation();
+                        }
+
+                        editor.refresh_inline_values(cx);
+                    }
+                    _ => {}
+                },
+            ));
+            let git_store = project.read(cx).git_store().clone();
+            let project = project.clone();
+            project_subscriptions.push(cx.subscribe(&git_store, move |this, _, event, cx| {
+                if let GitStoreEvent::RepositoryUpdated(
+                    _,
+                    RepositoryEvent::Updated {
+                        new_instance: true, ..
+                    },
+                    _,
+                ) = event
+                {
+                    this.load_diff_task = Some(
+                        update_uncommitted_diff_for_buffer(
+                            cx.entity(),
+                            &project,
+                            this.buffer.read(cx).all_buffers(),
+                            this.buffer.clone(),
+                            cx,
+                        )
+                        .shared(),
+                    );
+                }
+            }));
         }
 
         let buffer_snapshot = buffer.read(cx).snapshot(cx);
@@ -1976,14 +2032,12 @@ impl Editor {
                 .detach();
         }
 
-        let show_indent_guides = if matches!(
-            mode,
-            EditorMode::SingleLine { .. } | EditorMode::Minimap { .. }
-        ) {
-            Some(false)
-        } else {
-            None
-        };
+        let show_indent_guides =
+            if matches!(mode, EditorMode::SingleLine | EditorMode::Minimap { .. }) {
+                Some(false)
+            } else {
+                None
+            };
 
         let breakpoint_store = match (&mode, project.as_ref()) {
             (EditorMode::Full { .. }, Some(project)) => Some(project.read(cx).breakpoint_store()),
@@ -2043,7 +2097,7 @@ impl Editor {
                 vertical: full_mode,
             },
             minimap_visibility: MinimapVisibility::for_mode(&mode, cx),
-            offset_content: !matches!(mode, EditorMode::SingleLine { .. }),
+            offset_content: !matches!(mode, EditorMode::SingleLine),
             show_breadcrumbs: EditorSettings::get_global(cx).toolbar.breadcrumbs,
             show_gutter: full_mode,
             show_line_numbers: (!full_mode).then_some(false),
@@ -2103,8 +2157,8 @@ impl Editor {
             pending_mouse_down: None,
             hovered_link_state: None,
             edit_prediction_provider: None,
-            active_inline_completion: None,
-            stale_inline_completion_in_menu: None,
+            active_edit_prediction: None,
+            stale_edit_prediction_in_menu: None,
             edit_prediction_preview: EditPredictionPreview::Inactive {
                 released_too_fast: false,
             },
@@ -2123,9 +2177,9 @@ impl Editor {
             hovered_cursors: HashMap::default(),
             next_editor_action_id: EditorActionId::default(),
             editor_actions: Rc::default(),
-            inline_completions_hidden_for_vim_mode: false,
-            show_inline_completions_override: None,
-            menu_inline_completions_policy: MenuInlineCompletionsPolicy::ByProvider,
+            edit_predictions_hidden_for_vim_mode: false,
+            show_edit_predictions_override: None,
+            menu_edit_predictions_policy: MenuEditPredictionsPolicy::ByProvider,
             edit_prediction_settings: EditPredictionSettings::Disabled,
             edit_prediction_indent_conflict: false,
             edit_prediction_requires_modifier_in_indent_conflict: true,
@@ -2310,15 +2364,15 @@ impl Editor {
 
             editor.go_to_active_debug_line(window, cx);
 
-            if let Some(buffer) = buffer.read(cx).as_singleton() {
-                if let Some(project) = editor.project.as_ref() {
-                    let handle = project.update(cx, |project, cx| {
-                        project.register_buffer_with_language_servers(&buffer, cx)
-                    });
-                    editor
-                        .registered_buffers
-                        .insert(buffer.read(cx).remote_id(), handle);
-                }
+            if let Some(buffer) = buffer.read(cx).as_singleton()
+                && let Some(project) = editor.project()
+            {
+                let handle = project.update(cx, |project, cx| {
+                    project.register_buffer_with_language_servers(&buffer, cx)
+                });
+                editor
+                    .registered_buffers
+                    .insert(buffer.read(cx).remote_id(), handle);
             }
 
             editor.minimap =
@@ -2328,7 +2382,7 @@ impl Editor {
         }
 
         if editor.mode.is_full() {
-            editor.report_editor_event("Editor Opened", None, cx);
+            editor.report_editor_event(ReportEditorEvent::EditorOpened, None, cx);
         }
 
         editor
@@ -2356,8 +2410,36 @@ impl Editor {
             .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(window))
     }
 
+    pub fn is_range_selected(&mut self, range: &Range<Anchor>, cx: &mut Context<Self>) -> bool {
+        if self
+            .selections
+            .pending
+            .as_ref()
+            .is_some_and(|pending_selection| {
+                let snapshot = self.buffer().read(cx).snapshot(cx);
+                pending_selection
+                    .selection
+                    .range()
+                    .includes(range, &snapshot)
+            })
+        {
+            return true;
+        }
+
+        self.selections
+            .disjoint_in_range::<usize>(range.clone(), cx)
+            .into_iter()
+            .any(|selection| {
+                // This is needed to cover a corner case, if we just check for an existing
+                // selection in the fold range, having a cursor at the start of the fold
+                // marks it as selected. Non-empty selections don't cause this.
+                let length = selection.end - selection.start;
+                length > 0
+            })
+    }
+
     pub fn key_context(&self, window: &Window, cx: &App) -> KeyContext {
-        self.key_context_internal(self.has_active_inline_completion(), window, cx)
+        self.key_context_internal(self.has_active_edit_prediction(), window, cx)
     }
 
     fn key_context_internal(
@@ -2369,7 +2451,7 @@ impl Editor {
         let mut key_context = KeyContext::new_with_defaults();
         key_context.add("Editor");
         let mode = match self.mode {
-            EditorMode::SingleLine { .. } => "single_line",
+            EditorMode::SingleLine => "single_line",
             EditorMode::AutoHeight { .. } => "auto_height",
             EditorMode::Minimap { .. } => "minimap",
             EditorMode::Full { .. } => "full",
@@ -2475,9 +2557,7 @@ impl Editor {
             .context_menu
             .borrow()
             .as_ref()
-            .map_or(false, |context| {
-                matches!(context, CodeContextMenu::Completions(_))
-            });
+            .is_some_and(|context| matches!(context, CodeContextMenu::Completions(_)));
 
         showing_completions
             || self.edit_prediction_requires_modifier()
@@ -2508,7 +2588,7 @@ impl Editor {
                 || binding
                     .keystrokes()
                     .first()
-                    .map_or(false, |keystroke| keystroke.modifiers.modified())
+                    .is_some_and(|keystroke| keystroke.modifiers.modified())
         }))
     }
 
@@ -2611,6 +2691,10 @@ impl Editor {
         &self.buffer
     }
 
+    pub fn project(&self) -> Option<&Entity<Project>> {
+        self.project.as_ref()
+    }
+
     pub fn workspace(&self) -> Option<Entity<Workspace>> {
         self.workspace.as_ref()?.0.upgrade()
     }
@@ -2708,6 +2792,11 @@ impl Editor {
         self.completion_provider = provider;
     }
 
+    #[cfg(any(test, feature = "test-support"))]
+    pub fn completion_provider(&self) -> Option<Rc<dyn CompletionProvider>> {
+        self.completion_provider.clone()
+    }
+
     pub fn semantics_provider(&self) -> Option<Rc<dyn SemanticsProvider>> {
         self.semantics_provider.clone()
     }
@@ -2724,17 +2813,16 @@ impl Editor {
     ) where
         T: EditPredictionProvider,
     {
-        self.edit_prediction_provider =
-            provider.map(|provider| RegisteredInlineCompletionProvider {
-                _subscription: cx.observe_in(&provider, window, |this, _, window, cx| {
-                    if this.focus_handle.is_focused(window) {
-                        this.update_visible_inline_completion(window, cx);
-                    }
-                }),
-                provider: Arc::new(provider),
-            });
+        self.edit_prediction_provider = provider.map(|provider| RegisteredEditPredictionProvider {
+            _subscription: cx.observe_in(&provider, window, |this, _, window, cx| {
+                if this.focus_handle.is_focused(window) {
+                    this.update_visible_edit_prediction(window, cx);
+                }
+            }),
+            provider: Arc::new(provider),
+        });
         self.update_edit_prediction_settings(cx);
-        self.refresh_inline_completion(false, false, window, cx);
+        self.refresh_edit_prediction(false, false, window, cx);
     }
 
     pub fn placeholder_text(&self) -> Option<&str> {
@@ -2805,24 +2893,24 @@ impl Editor {
         self.input_enabled = input_enabled;
     }
 
-    pub fn set_inline_completions_hidden_for_vim_mode(
+    pub fn set_edit_predictions_hidden_for_vim_mode(
         &mut self,
         hidden: bool,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if hidden != self.inline_completions_hidden_for_vim_mode {
-            self.inline_completions_hidden_for_vim_mode = hidden;
+        if hidden != self.edit_predictions_hidden_for_vim_mode {
+            self.edit_predictions_hidden_for_vim_mode = hidden;
             if hidden {
-                self.update_visible_inline_completion(window, cx);
+                self.update_visible_edit_prediction(window, cx);
             } else {
-                self.refresh_inline_completion(true, false, window, cx);
+                self.refresh_edit_prediction(true, false, window, cx);
             }
         }
     }
 
-    pub fn set_menu_inline_completions_policy(&mut self, value: MenuInlineCompletionsPolicy) {
-        self.menu_inline_completions_policy = value;
+    pub fn set_menu_edit_predictions_policy(&mut self, value: MenuEditPredictionsPolicy) {
+        self.menu_edit_predictions_policy = value;
     }
 
     pub fn set_autoindent(&mut self, autoindent: bool) {
@@ -2859,7 +2947,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if self.show_inline_completions_override.is_some() {
+        if self.show_edit_predictions_override.is_some() {
             self.set_show_edit_predictions(None, window, cx);
         } else {
             let show_edit_predictions = !self.edit_predictions_enabled();
@@ -2873,17 +2961,17 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.show_inline_completions_override = show_edit_predictions;
+        self.show_edit_predictions_override = show_edit_predictions;
         self.update_edit_prediction_settings(cx);
 
         if let Some(false) = show_edit_predictions {
-            self.discard_inline_completion(false, cx);
+            self.discard_edit_prediction(false, cx);
         } else {
-            self.refresh_inline_completion(false, true, window, cx);
+            self.refresh_edit_prediction(false, true, window, cx);
         }
     }
 
-    fn inline_completions_disabled_in_scope(
+    fn edit_predictions_disabled_in_scope(
         &self,
         buffer: &Entity<Buffer>,
         buffer_position: language::Anchor,
@@ -2896,7 +2984,7 @@ impl Editor {
             return false;
         };
 
-        scope.override_name().map_or(false, |scope_name| {
+        scope.override_name().is_some_and(|scope_name| {
             settings
                 .edit_predictions_disabled_in
                 .iter()
@@ -2986,20 +3074,19 @@ impl Editor {
         }
 
         if local {
-            if let Some(buffer_id) = new_cursor_position.buffer_id {
-                if !self.registered_buffers.contains_key(&buffer_id) {
-                    if let Some(project) = self.project.as_ref() {
-                        project.update(cx, |project, cx| {
-                            let Some(buffer) = self.buffer.read(cx).buffer(buffer_id) else {
-                                return;
-                            };
-                            self.registered_buffers.insert(
-                                buffer_id,
-                                project.register_buffer_with_language_servers(&buffer, cx),
-                            );
-                        })
-                    }
-                }
+            if let Some(buffer_id) = new_cursor_position.buffer_id
+                && !self.registered_buffers.contains_key(&buffer_id)
+                && let Some(project) = self.project.as_ref()
+            {
+                project.update(cx, |project, cx| {
+                    let Some(buffer) = self.buffer.read(cx).buffer(buffer_id) else {
+                        return;
+                    };
+                    self.registered_buffers.insert(
+                        buffer_id,
+                        project.register_buffer_with_language_servers(&buffer, cx),
+                    );
+                })
             }
 
             let mut context_menu = self.context_menu.borrow_mut();
@@ -3014,28 +3101,28 @@ impl Editor {
             let completion_position = completion_menu.map(|menu| menu.initial_position);
             drop(context_menu);
 
-            if effects.completions {
-                if let Some(completion_position) = completion_position {
-                    let start_offset = selection_start.to_offset(buffer);
-                    let position_matches = start_offset == completion_position.to_offset(buffer);
-                    let continue_showing = if position_matches {
-                        if self.snippet_stack.is_empty() {
-                            buffer.char_kind_before(start_offset, true) == Some(CharKind::Word)
-                        } else {
-                            // Snippet choices can be shown even when the cursor is in whitespace.
-                            // Dismissing the menu with actions like backspace is handled by
-                            // invalidation regions.
-                            true
-                        }
+            if effects.completions
+                && let Some(completion_position) = completion_position
+            {
+                let start_offset = selection_start.to_offset(buffer);
+                let position_matches = start_offset == completion_position.to_offset(buffer);
+                let continue_showing = if position_matches {
+                    if self.snippet_stack.is_empty() {
+                        buffer.char_kind_before(start_offset, true) == Some(CharKind::Word)
                     } else {
-                        false
-                    };
-
-                    if continue_showing {
-                        self.show_completions(&ShowCompletions { trigger: None }, window, cx);
-                    } else {
-                        self.hide_context_menu(window, cx);
+                        // Snippet choices can be shown even when the cursor is in whitespace.
+                        // Dismissing the menu with actions like backspace is handled by
+                        // invalidation regions.
+                        true
                     }
+                } else {
+                    false
+                };
+
+                if continue_showing {
+                    self.show_completions(&ShowCompletions { trigger: None }, window, cx);
+                } else {
+                    self.hide_context_menu(window, cx);
                 }
             }
 
@@ -3050,7 +3137,7 @@ impl Editor {
             self.refresh_document_highlights(cx);
             self.refresh_selected_text_highlights(false, window, cx);
             refresh_matching_bracket_highlights(self, window, cx);
-            self.update_visible_inline_completion(window, cx);
+            self.update_visible_edit_prediction(window, cx);
             self.edit_prediction_requires_modifier_in_indent_conflict = true;
             linked_editing_ranges::refresh_linked_ranges(self, window, cx);
             self.inline_blame_popover.take();
@@ -3066,30 +3153,27 @@ impl Editor {
         if selections.len() == 1 {
             cx.emit(SearchEvent::ActiveMatchChanged)
         }
-        if local {
-            if let Some((_, _, buffer_snapshot)) = buffer.as_singleton() {
-                let inmemory_selections = selections
-                    .iter()
-                    .map(|s| {
-                        text::ToPoint::to_point(&s.range().start.text_anchor, buffer_snapshot)
-                            ..text::ToPoint::to_point(&s.range().end.text_anchor, buffer_snapshot)
-                    })
-                    .collect();
-                self.update_restoration_data(cx, |data| {
-                    data.selections = inmemory_selections;
-                });
+        if local && let Some((_, _, buffer_snapshot)) = buffer.as_singleton() {
+            let inmemory_selections = selections
+                .iter()
+                .map(|s| {
+                    text::ToPoint::to_point(&s.range().start.text_anchor, buffer_snapshot)
+                        ..text::ToPoint::to_point(&s.range().end.text_anchor, buffer_snapshot)
+                })
+                .collect();
+            self.update_restoration_data(cx, |data| {
+                data.selections = inmemory_selections;
+            });
 
-                if WorkspaceSettings::get(None, cx).restore_on_startup
-                    != RestoreOnStartupBehavior::None
-                {
-                    if let Some(workspace_id) =
-                        self.workspace.as_ref().and_then(|workspace| workspace.1)
-                    {
-                        let snapshot = self.buffer().read(cx).snapshot(cx);
-                        let selections = selections.clone();
-                        let background_executor = cx.background_executor().clone();
-                        let editor_id = cx.entity().entity_id().as_u64() as ItemId;
-                        self.serialize_selections = cx.background_spawn(async move {
+            if WorkspaceSettings::get(None, cx).restore_on_startup != RestoreOnStartupBehavior::None
+                && let Some(workspace_id) =
+                    self.workspace.as_ref().and_then(|workspace| workspace.1)
+            {
+                let snapshot = self.buffer().read(cx).snapshot(cx);
+                let selections = selections.clone();
+                let background_executor = cx.background_executor().clone();
+                let editor_id = cx.entity().entity_id().as_u64() as ItemId;
+                self.serialize_selections = cx.background_spawn(async move {
                             background_executor.timer(SERIALIZATION_THROTTLE_TIME).await;
                             let db_selections = selections
                                 .iter()
@@ -3106,8 +3190,6 @@ impl Editor {
                                 .with_context(|| format!("persisting editor selections for editor {editor_id}, workspace {workspace_id:?}"))
                                 .log_err();
                         });
-                    }
-                }
             }
         }
 
@@ -3184,35 +3266,31 @@ impl Editor {
             selections.select_anchors(other_selections);
         });
 
-        let other_subscription =
-            cx.subscribe(&other, |this, other, other_evt, cx| match other_evt {
-                EditorEvent::SelectionsChanged { local: true } => {
-                    let other_selections = other.read(cx).selections.disjoint.to_vec();
-                    if other_selections.is_empty() {
-                        return;
-                    }
-                    this.selections.change_with(cx, |selections| {
-                        selections.select_anchors(other_selections);
-                    });
+        let other_subscription = cx.subscribe(&other, |this, other, other_evt, cx| {
+            if let EditorEvent::SelectionsChanged { local: true } = other_evt {
+                let other_selections = other.read(cx).selections.disjoint.to_vec();
+                if other_selections.is_empty() {
+                    return;
                 }
-                _ => {}
-            });
+                this.selections.change_with(cx, |selections| {
+                    selections.select_anchors(other_selections);
+                });
+            }
+        });
 
-        let this_subscription =
-            cx.subscribe_self::<EditorEvent>(move |this, this_evt, cx| match this_evt {
-                EditorEvent::SelectionsChanged { local: true } => {
-                    let these_selections = this.selections.disjoint.to_vec();
-                    if these_selections.is_empty() {
-                        return;
-                    }
-                    other.update(cx, |other_editor, cx| {
-                        other_editor.selections.change_with(cx, |selections| {
-                            selections.select_anchors(these_selections);
-                        })
-                    });
+        let this_subscription = cx.subscribe_self::<EditorEvent>(move |this, this_evt, cx| {
+            if let EditorEvent::SelectionsChanged { local: true } = this_evt {
+                let these_selections = this.selections.disjoint.to_vec();
+                if these_selections.is_empty() {
+                    return;
                 }
-                _ => {}
-            });
+                other.update(cx, |other_editor, cx| {
+                    other_editor.selections.change_with(cx, |selections| {
+                        selections.select_anchors(these_selections);
+                    })
+                });
+            }
+        });
 
         Subscription::join(other_subscription, this_subscription)
     }
@@ -3293,9 +3371,9 @@ impl Editor {
 
             let old_cursor_position = &state.old_cursor_position;
 
-            self.selections_did_change(true, &old_cursor_position, state.effects, window, cx);
+            self.selections_did_change(true, old_cursor_position, state.effects, window, cx);
 
-            if self.should_open_signature_help_automatically(&old_cursor_position, cx) {
+            if self.should_open_signature_help_automatically(old_cursor_position, cx) {
                 self.show_signature_help(&ShowSignatureHelp, window, cx);
             }
         }
@@ -3715,9 +3793,9 @@ impl Editor {
             ColumnarSelectionState::FromMouse {
                 selection_tail,
                 display_point,
-            } => display_point.unwrap_or_else(|| selection_tail.to_display_point(&display_map)),
+            } => display_point.unwrap_or_else(|| selection_tail.to_display_point(display_map)),
             ColumnarSelectionState::FromSelection { selection_tail } => {
-                selection_tail.to_display_point(&display_map)
+                selection_tail.to_display_point(display_map)
             }
         };
 
@@ -3840,7 +3918,7 @@ impl Editor {
             return true;
         }
 
-        if is_user_requested && self.discard_inline_completion(true, cx) {
+        if is_user_requested && self.discard_edit_prediction(true, cx) {
             return true;
         }
 
@@ -3994,18 +4072,18 @@ impl Editor {
                             let following_text_allows_autoclose = snapshot
                                 .chars_at(selection.start)
                                 .next()
-                                .map_or(true, |c| scope.should_autoclose_before(c));
+                                .is_none_or(|c| scope.should_autoclose_before(c));
 
                             let preceding_text_allows_autoclose = selection.start.column == 0
-                                || snapshot.reversed_chars_at(selection.start).next().map_or(
-                                    true,
-                                    |c| {
+                                || snapshot
+                                    .reversed_chars_at(selection.start)
+                                    .next()
+                                    .is_none_or(|c| {
                                         bracket_pair.start != bracket_pair.end
                                             || !snapshot
                                                 .char_classifier_at(selection.start)
                                                 .is_word(c)
-                                    },
-                                );
+                                    });
 
                             let is_closing_quote = if bracket_pair.end == bracket_pair.start
                                 && bracket_pair.start.len() == 1
@@ -4105,42 +4183,38 @@ impl Editor {
             if self.auto_replace_emoji_shortcode
                 && selection.is_empty()
                 && text.as_ref().ends_with(':')
-            {
-                if let Some(possible_emoji_short_code) =
+                && let Some(possible_emoji_short_code) =
                     Self::find_possible_emoji_shortcode_at_position(&snapshot, selection.start)
-                {
-                    if !possible_emoji_short_code.is_empty() {
-                        if let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code) {
-                            let emoji_shortcode_start = Point::new(
-                                selection.start.row,
-                                selection.start.column - possible_emoji_short_code.len() as u32 - 1,
-                            );
+                && !possible_emoji_short_code.is_empty()
+                && let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code)
+            {
+                let emoji_shortcode_start = Point::new(
+                    selection.start.row,
+                    selection.start.column - possible_emoji_short_code.len() as u32 - 1,
+                );
 
-                            // Remove shortcode from buffer
-                            edits.push((
-                                emoji_shortcode_start..selection.start,
-                                "".to_string().into(),
-                            ));
-                            new_selections.push((
-                                Selection {
-                                    id: selection.id,
-                                    start: snapshot.anchor_after(emoji_shortcode_start),
-                                    end: snapshot.anchor_before(selection.start),
-                                    reversed: selection.reversed,
-                                    goal: selection.goal,
-                                },
-                                0,
-                            ));
+                // Remove shortcode from buffer
+                edits.push((
+                    emoji_shortcode_start..selection.start,
+                    "".to_string().into(),
+                ));
+                new_selections.push((
+                    Selection {
+                        id: selection.id,
+                        start: snapshot.anchor_after(emoji_shortcode_start),
+                        end: snapshot.anchor_before(selection.start),
+                        reversed: selection.reversed,
+                        goal: selection.goal,
+                    },
+                    0,
+                ));
 
-                            // Insert emoji
-                            let selection_start_anchor = snapshot.anchor_after(selection.start);
-                            new_selections.push((selection.map(|_| selection_start_anchor), 0));
-                            edits.push((selection.start..selection.end, emoji.to_string().into()));
+                // Insert emoji
+                let selection_start_anchor = snapshot.anchor_after(selection.start);
+                new_selections.push((selection.map(|_| selection_start_anchor), 0));
+                edits.push((selection.start..selection.end, emoji.to_string().into()));
 
-                            continue;
-                        }
-                    }
-                }
+                continue;
             }
 
             // If not handling any auto-close operation, then just replace the selected
@@ -4150,7 +4224,7 @@ impl Editor {
             if !self.linked_edit_ranges.is_empty() {
                 let start_anchor = snapshot.anchor_before(selection.start);
 
-                let is_word_char = text.chars().next().map_or(true, |char| {
+                let is_word_char = text.chars().next().is_none_or(|char| {
                     let classifier = snapshot
                         .char_classifier_at(start_anchor.to_offset(&snapshot))
                         .ignore_punctuation(true);
@@ -4246,7 +4320,7 @@ impl Editor {
                 );
             }
 
-            let had_active_inline_completion = this.has_active_inline_completion();
+            let had_active_edit_prediction = this.has_active_edit_prediction();
             this.change_selections(
                 SelectionEffects::scroll(Autoscroll::fit()).completions(false),
                 window,
@@ -4254,12 +4328,11 @@ impl Editor {
                 |s| s.select(new_selections),
             );
 
-            if !bracket_inserted {
-                if let Some(on_type_format_task) =
+            if !bracket_inserted
+                && let Some(on_type_format_task) =
                     this.trigger_on_type_formatting(text.to_string(), window, cx)
-                {
-                    on_type_format_task.detach_and_log_err(cx);
-                }
+            {
+                on_type_format_task.detach_and_log_err(cx);
             }
 
             let editor_settings = EditorSettings::get_global(cx);
@@ -4271,7 +4344,7 @@ impl Editor {
             }
 
             let trigger_in_words =
-                this.show_edit_predictions_in_menu() || !had_active_inline_completion;
+                this.show_edit_predictions_in_menu() || !had_active_edit_prediction;
             if this.hard_wrap.is_some() {
                 let latest: Range<Point> = this.selections.newest(cx).range();
                 if latest.is_empty()
@@ -4293,7 +4366,7 @@ impl Editor {
             }
             this.trigger_completion_on_input(&text, trigger_in_words, window, cx);
             linked_editing_ranges::refresh_linked_ranges(this, window, cx);
-            this.refresh_inline_completion(true, false, window, cx);
+            this.refresh_edit_prediction(true, false, window, cx);
             jsx_tag_auto_close::handle_from(this, initial_buffer_versions, window, cx);
         });
     }
@@ -4505,7 +4578,7 @@ impl Editor {
                                     let mut char_position = 0u32;
                                     let mut end_tag_offset = None;
 
-                                    'outer: for chunk in snapshot.text_for_range(range.clone()) {
+                                    'outer: for chunk in snapshot.text_for_range(range) {
                                         if let Some(byte_pos) = chunk.find(&**end_tag) {
                                             let chars_before_match =
                                                 chunk[..byte_pos].chars().count() as u32;
@@ -4628,7 +4701,7 @@ impl Editor {
                 .collect();
 
             this.change_selections(Default::default(), window, cx, |s| s.select(new_selections));
-            this.refresh_inline_completion(true, false, window, cx);
+            this.refresh_edit_prediction(true, false, window, cx);
         });
     }
 
@@ -4855,11 +4928,7 @@ impl Editor {
         cx: &mut Context<Self>,
     ) -> bool {
         let position = self.selections.newest_anchor().head();
-        let multibuffer = self.buffer.read(cx);
-        let Some(buffer) = position
-            .buffer_id
-            .and_then(|buffer_id| multibuffer.buffer(buffer_id).clone())
-        else {
+        let Some(buffer) = self.buffer.read(cx).buffer_for_anchor(position, cx) else {
             return false;
         };
 
@@ -5193,7 +5262,7 @@ impl Editor {
         restrict_to_languages: Option<&HashSet<Arc<Language>>>,
         cx: &mut Context<Editor>,
     ) -> HashMap<ExcerptId, (Entity<Buffer>, clock::Global, Range<usize>)> {
-        let Some(project) = self.project.as_ref() else {
+        let Some(project) = self.project() else {
             return HashMap::default();
         };
         let project = project.read(cx);
@@ -5225,10 +5294,10 @@ impl Editor {
                 }
 
                 let language = buffer.language()?;
-                if let Some(restrict_to_languages) = restrict_to_languages {
-                    if !restrict_to_languages.contains(language) {
-                        return None;
-                    }
+                if let Some(restrict_to_languages) = restrict_to_languages
+                    && !restrict_to_languages.contains(language)
+                {
+                    return None;
                 }
                 Some((
                     excerpt_id,
@@ -5275,7 +5344,7 @@ impl Editor {
             return None;
         }
 
-        let project = self.project.as_ref()?;
+        let project = self.project()?;
         let position = self.selections.newest_anchor().head();
         let (buffer, buffer_position) = self
             .buffer
@@ -5393,11 +5462,11 @@ impl Editor {
 
         let sort_completions = provider
             .as_ref()
-            .map_or(false, |provider| provider.sort_completions());
+            .is_some_and(|provider| provider.sort_completions());
 
         let filter_completions = provider
             .as_ref()
-            .map_or(true, |provider| provider.filter_completions());
+            .is_none_or(|provider| provider.filter_completions());
 
         let trigger_kind = match trigger {
             Some(trigger) if buffer.read(cx).completion_triggers().contains(trigger) => {
@@ -5503,7 +5572,12 @@ impl Editor {
 
         let skip_digits = query
             .as_ref()
-            .map_or(true, |query| !query.chars().any(|c| c.is_digit(10)));
+            .is_none_or(|query| !query.chars().any(|c| c.is_digit(10)));
+
+        let omit_word_completions = match &query {
+            Some(query) => query.chars().count() < completion_settings.words_min_length,
+            None => completion_settings.words_min_length != 0,
+        };
 
         let (mut words, provider_responses) = match &provider {
             Some(provider) => {
@@ -5516,9 +5590,11 @@ impl Editor {
                     cx,
                 );
 
-                let words = match completion_settings.words {
-                    WordsCompletionMode::Disabled => Task::ready(BTreeMap::default()),
-                    WordsCompletionMode::Enabled | WordsCompletionMode::Fallback => cx
+                let words = match (omit_word_completions, completion_settings.words) {
+                    (true, _) | (_, WordsCompletionMode::Disabled) => {
+                        Task::ready(BTreeMap::default())
+                    }
+                    (false, WordsCompletionMode::Enabled | WordsCompletionMode::Fallback) => cx
                         .background_spawn(async move {
                             buffer_snapshot.words_in_range(WordsQuery {
                                 fuzzy_contents: None,
@@ -5530,16 +5606,20 @@ impl Editor {
 
                 (words, provider_responses)
             }
-            None => (
-                cx.background_spawn(async move {
-                    buffer_snapshot.words_in_range(WordsQuery {
-                        fuzzy_contents: None,
-                        range: word_search_range,
-                        skip_digits,
+            None => {
+                let words = if omit_word_completions {
+                    Task::ready(BTreeMap::default())
+                } else {
+                    cx.background_spawn(async move {
+                        buffer_snapshot.words_in_range(WordsQuery {
+                            fuzzy_contents: None,
+                            range: word_search_range,
+                            skip_digits,
+                        })
                     })
-                }),
-                Task::ready(Ok(Vec::new())),
-            ),
+                };
+                (words, Task::ready(Ok(Vec::new())))
+            }
         };
 
         let snippet_sort_order = EditorSettings::get_global(cx).snippet_sort_order;
@@ -5556,15 +5636,15 @@ impl Editor {
             // that having one source with `is_incomplete: true` doesn't cause all to be re-queried.
             let mut completions = Vec::new();
             let mut is_incomplete = false;
-            if let Some(provider_responses) = provider_responses.await.log_err() {
-                if !provider_responses.is_empty() {
-                    for response in provider_responses {
-                        completions.extend(response.completions);
-                        is_incomplete = is_incomplete || response.is_incomplete;
-                    }
-                    if completion_settings.words == WordsCompletionMode::Fallback {
-                        words = Task::ready(BTreeMap::default());
-                    }
+            if let Some(provider_responses) = provider_responses.await.log_err()
+                && !provider_responses.is_empty()
+            {
+                for response in provider_responses {
+                    completions.extend(response.completions);
+                    is_incomplete = is_incomplete || response.is_incomplete;
+                }
+                if completion_settings.words == WordsCompletionMode::Fallback {
+                    words = Task::ready(BTreeMap::default());
                 }
             }
 
@@ -5629,34 +5709,31 @@ impl Editor {
 
                 let Ok(()) = editor.update_in(cx, |editor, window, cx| {
                     // Newer menu already set, so exit.
-                    match editor.context_menu.borrow().as_ref() {
-                        Some(CodeContextMenu::Completions(prev_menu)) => {
-                            if prev_menu.id > id {
-                                return;
-                            }
-                        }
-                        _ => {}
+                    if let Some(CodeContextMenu::Completions(prev_menu)) =
+                        editor.context_menu.borrow().as_ref()
+                        && prev_menu.id > id
+                    {
+                        return;
                     };
 
                     // Only valid to take prev_menu because it the new menu is immediately set
                     // below, or the menu is hidden.
-                    match editor.context_menu.borrow_mut().take() {
-                        Some(CodeContextMenu::Completions(prev_menu)) => {
-                            let position_matches =
-                                if prev_menu.initial_position == menu.initial_position {
-                                    true
-                                } else {
-                                    let snapshot = editor.buffer.read(cx).read(cx);
-                                    prev_menu.initial_position.to_offset(&snapshot)
-                                        == menu.initial_position.to_offset(&snapshot)
-                                };
-                            if position_matches {
-                                // Preserve markdown cache before `set_filter_results` because it will
-                                // try to populate the documentation cache.
-                                menu.preserve_markdown_cache(prev_menu);
-                            }
+                    if let Some(CodeContextMenu::Completions(prev_menu)) =
+                        editor.context_menu.borrow_mut().take()
+                    {
+                        let position_matches =
+                            if prev_menu.initial_position == menu.initial_position {
+                                true
+                            } else {
+                                let snapshot = editor.buffer.read(cx).read(cx);
+                                prev_menu.initial_position.to_offset(&snapshot)
+                                    == menu.initial_position.to_offset(&snapshot)
+                            };
+                        if position_matches {
+                            // Preserve markdown cache before `set_filter_results` because it will
+                            // try to populate the documentation cache.
+                            menu.preserve_markdown_cache(prev_menu);
                         }
-                        _ => {}
                     };
 
                     menu.set_filter_results(matches, provider, window, cx);
@@ -5669,30 +5746,30 @@ impl Editor {
 
             editor
                 .update_in(cx, |editor, window, cx| {
-                    if editor.focus_handle.is_focused(window) {
-                        if let Some(menu) = menu {
-                            *editor.context_menu.borrow_mut() =
-                                Some(CodeContextMenu::Completions(menu));
+                    if editor.focus_handle.is_focused(window)
+                        && let Some(menu) = menu
+                    {
+                        *editor.context_menu.borrow_mut() =
+                            Some(CodeContextMenu::Completions(menu));
 
-                            crate::hover_popover::hide_hover(editor, cx);
-                            if editor.show_edit_predictions_in_menu() {
-                                editor.update_visible_inline_completion(window, cx);
-                            } else {
-                                editor.discard_inline_completion(false, cx);
-                            }
-
-                            cx.notify();
-                            return;
+                        crate::hover_popover::hide_hover(editor, cx);
+                        if editor.show_edit_predictions_in_menu() {
+                            editor.update_visible_edit_prediction(window, cx);
+                        } else {
+                            editor.discard_edit_prediction(false, cx);
                         }
+
+                        cx.notify();
+                        return;
                     }
 
                     if editor.completion_tasks.len() <= 1 {
                         // If there are no more completion tasks and the last menu was empty, we should hide it.
                         let was_hidden = editor.hide_context_menu(window, cx).is_none();
-                        // If it was already hidden and we don't show inline completions in the menu, we should
-                        // also show the inline-completion when available.
+                        // If it was already hidden and we don't show edit predictions in the menu,
+                        // we should also show the edit prediction when available.
                         if was_hidden && editor.show_edit_predictions_in_menu() {
-                            editor.update_visible_inline_completion(window, cx);
+                            editor.update_visible_edit_prediction(window, cx);
                         }
                     }
                 })
@@ -5786,7 +5863,7 @@ impl Editor {
             let entries = completions_menu.entries.borrow();
             let mat = entries.get(item_ix.unwrap_or(completions_menu.selected_item))?;
             if self.show_edit_predictions_in_menu() {
-                self.discard_inline_completion(true, cx);
+                self.discard_edit_prediction(true, cx);
             }
             mat.candidate_id
         };
@@ -5826,7 +5903,7 @@ impl Editor {
             multibuffer_anchor.start.to_offset(&snapshot)
                 ..multibuffer_anchor.end.to_offset(&snapshot)
         };
-        if newest_anchor.head().buffer_id != Some(buffer.remote_id()) {
+        if snapshot.buffer_id_for_anchor(newest_anchor.head()) != Some(buffer.remote_id()) {
             return None;
         }
 
@@ -5930,14 +6007,14 @@ impl Editor {
                 })
             }
 
-            editor.refresh_inline_completion(true, false, window, cx);
+            editor.refresh_edit_prediction(true, false, window, cx);
         });
         self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), &snapshot);
 
         let show_new_completions_on_confirm = completion
             .confirm
             .as_ref()
-            .map_or(false, |confirm| confirm(intent, window, cx));
+            .is_some_and(|confirm| confirm(intent, window, cx));
         if show_new_completions_on_confirm {
             self.show_completions(&ShowCompletions { trigger: None }, window, cx);
         }
@@ -5990,7 +6067,7 @@ impl Editor {
         let deployed_from = action.deployed_from.clone();
         let action = action.clone();
         self.completion_tasks.clear();
-        self.discard_inline_completion(false, cx);
+        self.discard_edit_prediction(false, cx);
 
         let multibuffer_point = match &action.deployed_from {
             Some(CodeActionSource::Indicator(row)) | Some(CodeActionSource::RunMenu(row)) => {
@@ -6030,11 +6107,11 @@ impl Editor {
             Some(CodeActionSource::Indicator(_)) => Task::ready(Ok(Default::default())),
             _ => {
                 let mut task_context_task = Task::ready(None);
-                if let Some(tasks) = &tasks {
-                    if let Some(project) = project {
-                        task_context_task =
-                            Self::build_tasks_context(&project, &buffer, buffer_row, &tasks, cx);
-                    }
+                if let Some(tasks) = &tasks
+                    && let Some(project) = project
+                {
+                    task_context_task =
+                        Self::build_tasks_context(&project, &buffer, buffer_row, tasks, cx);
                 }
 
                 cx.spawn_in(window, {
@@ -6069,10 +6146,10 @@ impl Editor {
             let spawn_straight_away = quick_launch
                 && resolved_tasks
                     .as_ref()
-                    .map_or(false, |tasks| tasks.templates.len() == 1)
+                    .is_some_and(|tasks| tasks.templates.len() == 1)
                 && code_actions
                     .as_ref()
-                    .map_or(true, |actions| actions.is_empty())
+                    .is_none_or(|actions| actions.is_empty())
                 && debug_scenarios.is_empty();
 
             editor.update_in(cx, |editor, window, cx| {
@@ -6099,14 +6176,14 @@ impl Editor {
                         deployed_from,
                     }));
                 cx.notify();
-                if spawn_straight_away {
-                    if let Some(task) = editor.confirm_code_action(
+                if spawn_straight_away
+                    && let Some(task) = editor.confirm_code_action(
                         &ConfirmCodeAction { item_ix: Some(0) },
                         window,
                         cx,
-                    ) {
-                        return task;
-                    }
+                    )
+                {
+                    return task;
                 }
 
                 Task::ready(Ok(()))
@@ -6122,7 +6199,7 @@ impl Editor {
         cx: &mut App,
     ) -> Task<Vec<task::DebugScenario>> {
         maybe!({
-            let project = self.project.as_ref()?;
+            let project = self.project()?;
             let dap_store = project.read(cx).dap_store();
             let mut scenarios = vec![];
             let resolved_tasks = resolved_tasks.as_ref()?;
@@ -6147,12 +6224,11 @@ impl Editor {
                 }
             });
             Some(cx.background_spawn(async move {
-                let scenarios = futures::future::join_all(scenarios)
+                futures::future::join_all(scenarios)
                     .await
                     .into_iter()
                     .flatten()
-                    .collect::<Vec<_>>();
-                scenarios
+                    .collect::<Vec<_>>()
             }))
         })
         .unwrap_or_else(|| Task::ready(vec![]))
@@ -6250,7 +6326,7 @@ impl Editor {
                 }))
             }
             CodeActionsItem::DebugScenario(scenario) => {
-                let context = actions_menu.actions.context.clone();
+                let context = actions_menu.actions.context;
 
                 workspace.update(cx, |workspace, cx| {
                     dap::send_telemetry(&scenario, TelemetrySpawnLocation::Gutter, cx);
@@ -6269,7 +6345,7 @@ impl Editor {
     }
 
     pub async fn open_project_transaction(
-        this: &WeakEntity<Editor>,
+        editor: &WeakEntity<Editor>,
         workspace: WeakEntity<Workspace>,
         transaction: ProjectTransaction,
         title: String,
@@ -6287,27 +6363,26 @@ impl Editor {
 
         if let Some((buffer, transaction)) = entries.first() {
             if entries.len() == 1 {
-                let excerpt = this.update(cx, |editor, cx| {
+                let excerpt = editor.update(cx, |editor, cx| {
                     editor
                         .buffer()
                         .read(cx)
                         .excerpt_containing(editor.selections.newest_anchor().head(), cx)
                 })?;
-                if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
-                    if excerpted_buffer == *buffer {
-                        let all_edits_within_excerpt = buffer.read_with(cx, |buffer, _| {
-                            let excerpt_range = excerpt_range.to_offset(buffer);
-                            buffer
-                                .edited_ranges_for_transaction::<usize>(transaction)
-                                .all(|range| {
-                                    excerpt_range.start <= range.start
-                                        && excerpt_range.end >= range.end
-                                })
-                        })?;
+                if let Some((_, excerpted_buffer, excerpt_range)) = excerpt
+                    && excerpted_buffer == *buffer
+                {
+                    let all_edits_within_excerpt = buffer.read_with(cx, |buffer, _| {
+                        let excerpt_range = excerpt_range.to_offset(buffer);
+                        buffer
+                            .edited_ranges_for_transaction::<usize>(transaction)
+                            .all(|range| {
+                                excerpt_range.start <= range.start && excerpt_range.end >= range.end
+                            })
+                    })?;
 
-                        if all_edits_within_excerpt {
-                            return Ok(());
-                        }
+                    if all_edits_within_excerpt {
+                        return Ok(());
                     }
                 }
             }
@@ -6410,7 +6485,6 @@ impl Editor {
         IconButton::new("inline_code_actions", ui::IconName::BoltFilled)
             .icon_size(icon_size)
             .shape(ui::IconButtonShape::Square)
-            .style(ButtonStyle::Transparent)
             .icon_color(ui::Color::Hidden)
             .toggle_state(is_active)
             .when(show_tooltip, |this| {
@@ -6452,7 +6526,7 @@ impl Editor {
 
     fn refresh_code_actions(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<()> {
         let newest_selection = self.selections.newest_anchor().clone();
-        let newest_selection_adjusted = self.selections.newest_adjusted(cx).clone();
+        let newest_selection_adjusted = self.selections.newest_adjusted(cx);
         let buffer = self.buffer.read(cx);
         if newest_selection.head().diff_base_anchor.is_some() {
             return None;
@@ -6686,11 +6760,10 @@ impl Editor {
                         return;
                     }
 
-                    let buffer_id = cursor_position.buffer_id;
                     let buffer = this.buffer.read(cx);
-                    if !buffer
+                    if buffer
                         .text_anchor_for_position(cursor_position, cx)
-                        .map_or(false, |(buffer, _)| buffer == cursor_buffer)
+                        .is_none_or(|(buffer, _)| buffer != cursor_buffer)
                     {
                         return;
                     }
@@ -6699,8 +6772,8 @@ impl Editor {
                     let mut write_ranges = Vec::new();
                     let mut read_ranges = Vec::new();
                     for highlight in highlights {
-                        for (excerpt_id, excerpt_range) in
-                            buffer.excerpts_for_buffer(cursor_buffer.read(cx).remote_id(), cx)
+                        let buffer_id = cursor_buffer.read(cx).remote_id();
+                        for (excerpt_id, excerpt_range) in buffer.excerpts_for_buffer(buffer_id, cx)
                         {
                             let start = highlight
                                 .range
@@ -6715,12 +6788,12 @@ impl Editor {
                             }
 
                             let range = Anchor {
-                                buffer_id,
+                                buffer_id: Some(buffer_id),
                                 excerpt_id,
                                 text_anchor: start,
                                 diff_base_anchor: None,
                             }..Anchor {
-                                buffer_id,
+                                buffer_id: Some(buffer_id),
                                 excerpt_id,
                                 text_anchor: end,
                                 diff_base_anchor: None,
@@ -6755,7 +6828,7 @@ impl Editor {
         &mut self,
         cx: &mut Context<Editor>,
     ) -> Option<(String, Range<Anchor>)> {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             return None;
         }
         if !EditorSettings::get_global(cx).selection_highlight {
@@ -6816,7 +6889,7 @@ impl Editor {
                 for (buffer_snapshot, search_range, excerpt_id) in buffer_ranges {
                     match_ranges.extend(
                         regex
-                            .search(&buffer_snapshot, Some(search_range.clone()))
+                            .search(buffer_snapshot, Some(search_range.clone()))
                             .await
                             .into_iter()
                             .filter_map(|match_range| {
@@ -6940,9 +7013,7 @@ impl Editor {
             || self
                 .quick_selection_highlight_task
                 .as_ref()
-                .map_or(true, |(prev_anchor_range, _)| {
-                    prev_anchor_range != &query_range
-                })
+                .is_none_or(|(prev_anchor_range, _)| prev_anchor_range != &query_range)
         {
             let multi_buffer_visible_start = self
                 .scroll_manager
@@ -6971,9 +7042,7 @@ impl Editor {
             || self
                 .debounced_selection_highlight_task
                 .as_ref()
-                .map_or(true, |(prev_anchor_range, _)| {
-                    prev_anchor_range != &query_range
-                })
+                .is_none_or(|(prev_anchor_range, _)| prev_anchor_range != &query_range)
         {
             let multi_buffer_start = multi_buffer_snapshot
                 .anchor_before(0)
@@ -6996,20 +7065,24 @@ impl Editor {
         }
     }
 
-    pub fn refresh_inline_completion(
+    pub fn refresh_edit_prediction(
         &mut self,
         debounce: bool,
         user_requested: bool,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Option<()> {
+        if DisableAiSettings::get_global(cx).disable_ai {
+            return None;
+        }
+
         let provider = self.edit_prediction_provider()?;
         let cursor = self.selections.newest_anchor().head();
         let (buffer, cursor_buffer_position) =
             self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
 
         if !self.edit_predictions_enabled_in_buffer(&buffer, cursor_buffer_position, cx) {
-            self.discard_inline_completion(false, cx);
+            self.discard_edit_prediction(false, cx);
             return None;
         }
 
@@ -7018,11 +7091,11 @@ impl Editor {
                 || !self.is_focused(window)
                 || buffer.read(cx).is_empty())
         {
-            self.discard_inline_completion(false, cx);
+            self.discard_edit_prediction(false, cx);
             return None;
         }
 
-        self.update_visible_inline_completion(window, cx);
+        self.update_visible_edit_prediction(window, cx);
         provider.refresh(
             self.project.clone(),
             buffer,
@@ -7060,6 +7133,7 @@ impl Editor {
     pub fn update_edit_prediction_settings(&mut self, cx: &mut Context<Self>) {
         if self.edit_prediction_provider.is_none() || DisableAiSettings::get_global(cx).disable_ai {
             self.edit_prediction_settings = EditPredictionSettings::Disabled;
+            self.discard_edit_prediction(false, cx);
         } else {
             let selection = self.selections.newest_anchor();
             let cursor = selection.head();
@@ -7080,8 +7154,8 @@ impl Editor {
         cx: &App,
     ) -> EditPredictionSettings {
         if !self.mode.is_full()
-            || !self.show_inline_completions_override.unwrap_or(true)
-            || self.inline_completions_disabled_in_scope(buffer, buffer_position, cx)
+            || !self.show_edit_predictions_override.unwrap_or(true)
+            || self.edit_predictions_disabled_in_scope(buffer, buffer_position, cx)
         {
             return EditPredictionSettings::Disabled;
         }
@@ -7095,17 +7169,15 @@ impl Editor {
         };
 
         let by_provider = matches!(
-            self.menu_inline_completions_policy,
-            MenuInlineCompletionsPolicy::ByProvider
+            self.menu_edit_predictions_policy,
+            MenuEditPredictionsPolicy::ByProvider
         );
 
         let show_in_menu = by_provider
             && self
                 .edit_prediction_provider
                 .as_ref()
-                .map_or(false, |provider| {
-                    provider.provider.show_completions_in_menu()
-                });
+                .is_some_and(|provider| provider.provider.show_completions_in_menu());
 
         let preview_requires_modifier =
             all_language_settings(file, cx).edit_predictions_mode() == EditPredictionsMode::Subtle;
@@ -7153,7 +7225,7 @@ impl Editor {
                 return Some(false);
             }
             let provider = self.edit_prediction_provider()?;
-            if !provider.is_enabled(&buffer, buffer_position, cx) {
+            if !provider.is_enabled(buffer, buffer_position, cx) {
                 return Some(false);
             }
             let buffer = buffer.read(cx);
@@ -7166,7 +7238,7 @@ impl Editor {
         .unwrap_or(false)
     }
 
-    fn cycle_inline_completion(
+    fn cycle_edit_prediction(
         &mut self,
         direction: Direction,
         window: &mut Window,
@@ -7176,28 +7248,28 @@ impl Editor {
         let cursor = self.selections.newest_anchor().head();
         let (buffer, cursor_buffer_position) =
             self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
-        if self.inline_completions_hidden_for_vim_mode || !self.should_show_edit_predictions() {
+        if self.edit_predictions_hidden_for_vim_mode || !self.should_show_edit_predictions() {
             return None;
         }
 
         provider.cycle(buffer, cursor_buffer_position, direction, cx);
-        self.update_visible_inline_completion(window, cx);
+        self.update_visible_edit_prediction(window, cx);
 
         Some(())
     }
 
-    pub fn show_inline_completion(
+    pub fn show_edit_prediction(
         &mut self,
         _: &ShowEditPrediction,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if !self.has_active_inline_completion() {
-            self.refresh_inline_completion(false, true, window, cx);
+        if !self.has_active_edit_prediction() {
+            self.refresh_edit_prediction(false, true, window, cx);
             return;
         }
 
-        self.update_visible_inline_completion(window, cx);
+        self.update_visible_edit_prediction(window, cx);
     }
 
     pub fn display_cursor_names(
@@ -7229,11 +7301,11 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if self.has_active_inline_completion() {
-            self.cycle_inline_completion(Direction::Next, window, cx);
+        if self.has_active_edit_prediction() {
+            self.cycle_edit_prediction(Direction::Next, window, cx);
         } else {
             let is_copilot_disabled = self
-                .refresh_inline_completion(false, true, window, cx)
+                .refresh_edit_prediction(false, true, window, cx)
                 .is_none();
             if is_copilot_disabled {
                 cx.propagate();
@@ -7247,11 +7319,11 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if self.has_active_inline_completion() {
-            self.cycle_inline_completion(Direction::Prev, window, cx);
+        if self.has_active_edit_prediction() {
+            self.cycle_edit_prediction(Direction::Prev, window, cx);
         } else {
             let is_copilot_disabled = self
-                .refresh_inline_completion(false, true, window, cx)
+                .refresh_edit_prediction(false, true, window, cx)
                 .is_none();
             if is_copilot_disabled {
                 cx.propagate();
@@ -7269,18 +7341,14 @@ impl Editor {
             self.hide_context_menu(window, cx);
         }
 
-        let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
+        let Some(active_edit_prediction) = self.active_edit_prediction.as_ref() else {
             return;
         };
 
-        self.report_inline_completion_event(
-            active_inline_completion.completion_id.clone(),
-            true,
-            cx,
-        );
+        self.report_edit_prediction_event(active_edit_prediction.completion_id.clone(), true, cx);
 
-        match &active_inline_completion.completion {
-            InlineCompletion::Move { target, .. } => {
+        match &active_edit_prediction.completion {
+            EditPrediction::Move { target, .. } => {
                 let target = *target;
 
                 if let Some(position_map) = &self.last_position_map {
@@ -7322,7 +7390,7 @@ impl Editor {
                     }
                 }
             }
-            InlineCompletion::Edit { edits, .. } => {
+            EditPrediction::Edit { edits, .. } => {
                 if let Some(provider) = self.edit_prediction_provider() {
                     provider.accept(cx);
                 }
@@ -7350,9 +7418,9 @@ impl Editor {
                     }
                 }
 
-                self.update_visible_inline_completion(window, cx);
-                if self.active_inline_completion.is_none() {
-                    self.refresh_inline_completion(true, true, window, cx);
+                self.update_visible_edit_prediction(window, cx);
+                if self.active_edit_prediction.is_none() {
+                    self.refresh_edit_prediction(true, true, window, cx);
                 }
 
                 cx.notify();
@@ -7362,27 +7430,23 @@ impl Editor {
         self.edit_prediction_requires_modifier_in_indent_conflict = false;
     }
 
-    pub fn accept_partial_inline_completion(
+    pub fn accept_partial_edit_prediction(
         &mut self,
         _: &AcceptPartialEditPrediction,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
+        let Some(active_edit_prediction) = self.active_edit_prediction.as_ref() else {
             return;
         };
         if self.selections.count() != 1 {
             return;
         }
 
-        self.report_inline_completion_event(
-            active_inline_completion.completion_id.clone(),
-            true,
-            cx,
-        );
+        self.report_edit_prediction_event(active_edit_prediction.completion_id.clone(), true, cx);
 
-        match &active_inline_completion.completion {
-            InlineCompletion::Move { target, .. } => {
+        match &active_edit_prediction.completion {
+            EditPrediction::Move { target, .. } => {
                 let target = *target;
                 self.change_selections(
                     SelectionEffects::scroll(Autoscroll::newest()),
@@ -7393,7 +7457,7 @@ impl Editor {
                     },
                 );
             }
-            InlineCompletion::Edit { edits, .. } => {
+            EditPrediction::Edit { edits, .. } => {
                 // Find an insertion that starts at the cursor position.
                 let snapshot = self.buffer.read(cx).snapshot(cx);
                 let cursor_offset = self.selections.newest::<usize>(cx).head();
@@ -7427,7 +7491,7 @@ impl Editor {
 
                     self.insert_with_autoindent_mode(&partial_completion, None, window, cx);
 
-                    self.refresh_inline_completion(true, true, window, cx);
+                    self.refresh_edit_prediction(true, true, window, cx);
                     cx.notify();
                 } else {
                     self.accept_edit_prediction(&Default::default(), window, cx);
@@ -7436,28 +7500,28 @@ impl Editor {
         }
     }
 
-    fn discard_inline_completion(
+    fn discard_edit_prediction(
         &mut self,
-        should_report_inline_completion_event: bool,
+        should_report_edit_prediction_event: bool,
         cx: &mut Context<Self>,
     ) -> bool {
-        if should_report_inline_completion_event {
+        if should_report_edit_prediction_event {
             let completion_id = self
-                .active_inline_completion
+                .active_edit_prediction
                 .as_ref()
                 .and_then(|active_completion| active_completion.completion_id.clone());
 
-            self.report_inline_completion_event(completion_id, false, cx);
+            self.report_edit_prediction_event(completion_id, false, cx);
         }
 
         if let Some(provider) = self.edit_prediction_provider() {
             provider.discard(cx);
         }
 
-        self.take_active_inline_completion(cx)
+        self.take_active_edit_prediction(cx)
     }
 
-    fn report_inline_completion_event(&self, id: Option<SharedString>, accepted: bool, cx: &App) {
+    fn report_edit_prediction_event(&self, id: Option<SharedString>, accepted: bool, cx: &App) {
         let Some(provider) = self.edit_prediction_provider() else {
             return;
         };
@@ -7488,18 +7552,18 @@ impl Editor {
         );
     }
 
-    pub fn has_active_inline_completion(&self) -> bool {
-        self.active_inline_completion.is_some()
+    pub fn has_active_edit_prediction(&self) -> bool {
+        self.active_edit_prediction.is_some()
     }
 
-    fn take_active_inline_completion(&mut self, cx: &mut Context<Self>) -> bool {
-        let Some(active_inline_completion) = self.active_inline_completion.take() else {
+    fn take_active_edit_prediction(&mut self, cx: &mut Context<Self>) -> bool {
+        let Some(active_edit_prediction) = self.active_edit_prediction.take() else {
             return false;
         };
 
-        self.splice_inlays(&active_inline_completion.inlay_ids, Default::default(), cx);
-        self.clear_highlights::<InlineCompletionHighlight>(cx);
-        self.stale_inline_completion_in_menu = Some(active_inline_completion);
+        self.splice_inlays(&active_edit_prediction.inlay_ids, Default::default(), cx);
+        self.clear_highlights::<EditPredictionHighlight>(cx);
+        self.stale_edit_prediction_in_menu = Some(active_edit_prediction);
         true
     }
 
@@ -7644,7 +7708,7 @@ impl Editor {
                     since: Instant::now(),
                 };
 
-                self.update_visible_inline_completion(window, cx);
+                self.update_visible_edit_prediction(window, cx);
                 cx.notify();
             }
         } else if let EditPredictionPreview::Active {
@@ -7667,16 +7731,20 @@ impl Editor {
                 released_too_fast: since.elapsed() < Duration::from_millis(200),
             };
             self.clear_row_highlights::<EditPredictionPreview>();
-            self.update_visible_inline_completion(window, cx);
+            self.update_visible_edit_prediction(window, cx);
             cx.notify();
         }
     }
 
-    fn update_visible_inline_completion(
+    fn update_visible_edit_prediction(
         &mut self,
         _window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Option<()> {
+        if DisableAiSettings::get_global(cx).disable_ai {
+            return None;
+        }
+
         let selection = self.selections.newest_anchor();
         let cursor = selection.head();
         let multibuffer = self.buffer.read(cx).snapshot(cx);
@@ -7686,24 +7754,24 @@ impl Editor {
         let show_in_menu = self.show_edit_predictions_in_menu();
         let completions_menu_has_precedence = !show_in_menu
             && (self.context_menu.borrow().is_some()
-                || (!self.completion_tasks.is_empty() && !self.has_active_inline_completion()));
+                || (!self.completion_tasks.is_empty() && !self.has_active_edit_prediction()));
 
         if completions_menu_has_precedence
             || !offset_selection.is_empty()
             || self
-                .active_inline_completion
+                .active_edit_prediction
                 .as_ref()
-                .map_or(false, |completion| {
+                .is_some_and(|completion| {
                     let invalidation_range = completion.invalidation_range.to_offset(&multibuffer);
                     let invalidation_range = invalidation_range.start..=invalidation_range.end;
                     !invalidation_range.contains(&offset_selection.head())
                 })
         {
-            self.discard_inline_completion(false, cx);
+            self.discard_edit_prediction(false, cx);
             return None;
         }
 
-        self.take_active_inline_completion(cx);
+        self.take_active_edit_prediction(cx);
         let Some(provider) = self.edit_prediction_provider() else {
             self.edit_prediction_settings = EditPredictionSettings::Disabled;
             return None;
@@ -7715,6 +7783,11 @@ impl Editor {
         self.edit_prediction_settings =
             self.edit_prediction_settings_at_position(&buffer, cursor_buffer_position, cx);
 
+        if let EditPredictionSettings::Disabled = self.edit_prediction_settings {
+            self.discard_edit_prediction(false, cx);
+            return None;
+        };
+
         self.edit_prediction_indent_conflict = multibuffer.is_line_whitespace_upto(cursor);
 
         if self.edit_prediction_indent_conflict {
@@ -7722,15 +7795,15 @@ impl Editor {
 
             let indents = multibuffer.suggested_indents(cursor_point.row..cursor_point.row + 1, cx);
 
-            if let Some((_, indent)) = indents.iter().next() {
-                if indent.len == cursor_point.column {
-                    self.edit_prediction_indent_conflict = false;
-                }
+            if let Some((_, indent)) = indents.iter().next()
+                && indent.len == cursor_point.column
+            {
+                self.edit_prediction_indent_conflict = false;
             }
         }
 
-        let inline_completion = provider.suggest(&buffer, cursor_buffer_position, cx)?;
-        let edits = inline_completion
+        let edit_prediction = provider.suggest(&buffer, cursor_buffer_position, cx)?;
+        let edits = edit_prediction
             .edits
             .into_iter()
             .flat_map(|(range, new_text)| {
@@ -7764,16 +7837,22 @@ impl Editor {
         } else {
             None
         };
-        let is_move =
-            move_invalidation_row_range.is_some() || self.inline_completions_hidden_for_vim_mode;
+        let supports_jump = self
+            .edit_prediction_provider
+            .as_ref()
+            .map(|provider| provider.provider.supports_jump_to_edit())
+            .unwrap_or(true);
+
+        let is_move = supports_jump
+            && (move_invalidation_row_range.is_some() || self.edit_predictions_hidden_for_vim_mode);
         let completion = if is_move {
             invalidation_row_range =
                 move_invalidation_row_range.unwrap_or(edit_start_row..edit_end_row);
             let target = first_edit_start;
-            InlineCompletion::Move { target, snapshot }
+            EditPrediction::Move { target, snapshot }
         } else {
             let show_completions_in_buffer = !self.edit_prediction_visible_in_cursor_popover(true)
-                && !self.inline_completions_hidden_for_vim_mode;
+                && !self.edit_predictions_hidden_for_vim_mode;
 
             if show_completions_in_buffer {
                 if edits
@@ -7782,7 +7861,7 @@ impl Editor {
                 {
                     let mut inlays = Vec::new();
                     for (range, new_text) in &edits {
-                        let inlay = Inlay::inline_completion(
+                        let inlay = Inlay::edit_prediction(
                             post_inc(&mut self.next_inlay_id),
                             range.start,
                             new_text.as_str(),
@@ -7794,7 +7873,7 @@ impl Editor {
                     self.splice_inlays(&[], inlays, cx);
                 } else {
                     let background_color = cx.theme().status().deleted_background;
-                    self.highlight_text::<InlineCompletionHighlight>(
+                    self.highlight_text::<EditPredictionHighlight>(
                         edits.iter().map(|(range, _)| range.clone()).collect(),
                         HighlightStyle {
                             background_color: Some(background_color),
@@ -7817,9 +7896,9 @@ impl Editor {
                 EditDisplayMode::DiffPopover
             };
 
-            InlineCompletion::Edit {
+            EditPrediction::Edit {
                 edits,
-                edit_preview: inline_completion.edit_preview,
+                edit_preview: edit_prediction.edit_preview,
                 display_mode,
                 snapshot,
             }
@@ -7832,11 +7911,11 @@ impl Editor {
                 multibuffer.line_len(MultiBufferRow(invalidation_row_range.end)),
             ));
 
-        self.stale_inline_completion_in_menu = None;
-        self.active_inline_completion = Some(InlineCompletionState {
+        self.stale_edit_prediction_in_menu = None;
+        self.active_edit_prediction = Some(EditPredictionState {
             inlay_ids,
             completion,
-            completion_id: inline_completion.id,
+            completion_id: edit_prediction.id,
             invalidation_range,
         });
 
@@ -7845,7 +7924,7 @@ impl Editor {
         Some(())
     }
 
-    pub fn edit_prediction_provider(&self) -> Option<Arc<dyn InlineCompletionProviderHandle>> {
+    pub fn edit_prediction_provider(&self) -> Option<Arc<dyn EditPredictionProviderHandle>> {
         Some(self.edit_prediction_provider.as_ref()?.provider.clone())
     }
 
@@ -7882,7 +7961,7 @@ impl Editor {
         let snapshot = self.snapshot(window, cx);
 
         let multi_buffer_snapshot = &snapshot.display_snapshot.buffer_snapshot;
-        let Some(project) = self.project.as_ref() else {
+        let Some(project) = self.project() else {
             return breakpoint_display_points;
         };
 
@@ -7911,7 +7990,7 @@ impl Editor {
                 let multi_buffer_anchor =
                     Anchor::in_buffer(excerpt_id, buffer_snapshot.remote_id(), breakpoint.position);
                 let position = multi_buffer_anchor
-                    .to_point(&multi_buffer_snapshot)
+                    .to_point(multi_buffer_snapshot)
                     .to_display_point(&snapshot);
 
                 breakpoint_display_points.insert(
@@ -8165,8 +8244,6 @@ impl Editor {
             .icon_color(color)
             .style(ButtonStyle::Transparent)
             .on_click(cx.listener({
-                let breakpoint = breakpoint.clone();
-
                 move |editor, event: &ClickEvent, window, cx| {
                     let edit_action = if event.modifiers().platform || breakpoint.is_disabled() {
                         BreakpointEditAction::InvertState
@@ -8187,7 +8264,7 @@ impl Editor {
                 editor.set_breakpoint_context_menu(
                     row,
                     Some(position),
-                    event.down.position,
+                    event.position(),
                     window,
                     cx,
                 );
@@ -8345,26 +8422,33 @@ impl Editor {
         let color = Color::Muted;
         let position = breakpoint.as_ref().map(|(anchor, _, _)| *anchor);
 
-        IconButton::new(("run_indicator", row.0 as usize), ui::IconName::Play)
-            .shape(ui::IconButtonShape::Square)
-            .icon_size(IconSize::XSmall)
-            .icon_color(color)
-            .toggle_state(is_active)
-            .on_click(cx.listener(move |editor, e: &ClickEvent, window, cx| {
-                let quick_launch = e.down.button == MouseButton::Left;
-                window.focus(&editor.focus_handle(cx));
-                editor.toggle_code_actions(
-                    &ToggleCodeActions {
-                        deployed_from: Some(CodeActionSource::RunMenu(row)),
-                        quick_launch,
-                    },
-                    window,
-                    cx,
-                );
-            }))
-            .on_right_click(cx.listener(move |editor, event: &ClickEvent, window, cx| {
-                editor.set_breakpoint_context_menu(row, position, event.down.position, window, cx);
-            }))
+        IconButton::new(
+            ("run_indicator", row.0 as usize),
+            ui::IconName::PlayOutlined,
+        )
+        .shape(ui::IconButtonShape::Square)
+        .icon_size(IconSize::XSmall)
+        .icon_color(color)
+        .toggle_state(is_active)
+        .on_click(cx.listener(move |editor, e: &ClickEvent, window, cx| {
+            let quick_launch = match e {
+                ClickEvent::Keyboard(_) => true,
+                ClickEvent::Mouse(e) => e.down.button == MouseButton::Left,
+            };
+
+            window.focus(&editor.focus_handle(cx));
+            editor.toggle_code_actions(
+                &ToggleCodeActions {
+                    deployed_from: Some(CodeActionSource::RunMenu(row)),
+                    quick_launch,
+                },
+                window,
+                cx,
+            );
+        }))
+        .on_right_click(cx.listener(move |editor, event: &ClickEvent, window, cx| {
+            editor.set_breakpoint_context_menu(row, position, event.position(), window, cx);
+        }))
     }
 
     pub fn context_menu_visible(&self) -> bool {
@@ -8373,7 +8457,7 @@ impl Editor {
                 .context_menu
                 .borrow()
                 .as_ref()
-                .map_or(false, |menu| menu.visible())
+                .is_some_and(|menu| menu.visible())
     }
 
     pub fn context_menu_origin(&self) -> Option<ContextMenuOrigin> {
@@ -8411,14 +8495,14 @@ impl Editor {
         if self.mode().is_minimap() {
             return None;
         }
-        let active_inline_completion = self.active_inline_completion.as_ref()?;
+        let active_edit_prediction = self.active_edit_prediction.as_ref()?;
 
         if self.edit_prediction_visible_in_cursor_popover(true) {
             return None;
         }
 
-        match &active_inline_completion.completion {
-            InlineCompletion::Move { target, .. } => {
+        match &active_edit_prediction.completion {
+            EditPrediction::Move { target, .. } => {
                 let target_display_point = target.to_display_point(editor_snapshot);
 
                 if self.edit_prediction_requires_modifier() {
@@ -8455,11 +8539,11 @@ impl Editor {
                     )
                 }
             }
-            InlineCompletion::Edit {
+            EditPrediction::Edit {
                 display_mode: EditDisplayMode::Inline,
                 ..
             } => None,
-            InlineCompletion::Edit {
+            EditPrediction::Edit {
                 display_mode: EditDisplayMode::TabAccept,
                 edits,
                 ..
@@ -8480,7 +8564,7 @@ impl Editor {
                     cx,
                 )
             }
-            InlineCompletion::Edit {
+            EditPrediction::Edit {
                 edits,
                 edit_preview,
                 display_mode: EditDisplayMode::DiffPopover,
@@ -8796,8 +8880,12 @@ impl Editor {
             return None;
         }
 
-        let highlighted_edits =
-            crate::inline_completion_edit_text(&snapshot, edits, edit_preview.as_ref()?, false, cx);
+        let highlighted_edits = if let Some(edit_preview) = edit_preview.as_ref() {
+            crate::edit_prediction_edit_text(snapshot, edits, edit_preview, false, cx)
+        } else {
+            // Fallback for providers without edit_preview
+            crate::edit_prediction_fallback_text(edits, cx)
+        };
 
         let styled_text = highlighted_edits.to_styled_text(&style.text);
         let line_count = highlighted_edits.text.lines().count();
@@ -8915,9 +9003,8 @@ impl Editor {
                     let end_row = start_row + line_count as u32;
                     visible_row_range.contains(&start_row)
                         && visible_row_range.contains(&end_row)
-                        && cursor_row.map_or(true, |cursor_row| {
-                            !((start_row..end_row).contains(&cursor_row))
-                        })
+                        && cursor_row
+                            .is_none_or(|cursor_row| !((start_row..end_row).contains(&cursor_row)))
                 })?;
 
             content_origin
@@ -9065,6 +9152,18 @@ impl Editor {
         let editor_bg_color = cx.theme().colors().editor_background;
         editor_bg_color.blend(accent_color.opacity(0.6))
     }
+    fn get_prediction_provider_icon_name(
+        provider: &Option<RegisteredEditPredictionProvider>,
+    ) -> IconName {
+        match provider {
+            Some(provider) => match provider.provider.name() {
+                "copilot" => IconName::Copilot,
+                "supermaven" => IconName::Supermaven,
+                _ => IconName::ZedPredict,
+            },
+            None => IconName::ZedPredict,
+        }
+    }
 
     fn render_edit_prediction_cursor_popover(
         &self,
@@ -9077,57 +9176,15 @@ impl Editor {
         cx: &mut Context<Editor>,
     ) -> Option<AnyElement> {
         let provider = self.edit_prediction_provider.as_ref()?;
-
-        if provider.provider.needs_terms_acceptance(cx) {
-            return Some(
-                h_flex()
-                    .min_w(min_width)
-                    .flex_1()
-                    .px_2()
-                    .py_1()
-                    .gap_3()
-                    .elevation_2(cx)
-                    .hover(|style| style.bg(cx.theme().colors().element_hover))
-                    .id("accept-terms")
-                    .cursor_pointer()
-                    .on_mouse_down(MouseButton::Left, |_, window, _| window.prevent_default())
-                    .on_click(cx.listener(|this, _event, window, cx| {
-                        cx.stop_propagation();
-                        this.report_editor_event("Edit Prediction Provider ToS Clicked", None, cx);
-                        window.dispatch_action(
-                            zed_actions::OpenZedPredictOnboarding.boxed_clone(),
-                            cx,
-                        );
-                    }))
-                    .child(
-                        h_flex()
-                            .flex_1()
-                            .gap_2()
-                            .child(Icon::new(IconName::ZedPredict))
-                            .child(Label::new("Accept Terms of Service"))
-                            .child(div().w_full())
-                            .child(
-                                Icon::new(IconName::ArrowUpRight)
-                                    .color(Color::Muted)
-                                    .size(IconSize::Small),
-                            )
-                            .into_any_element(),
-                    )
-                    .into_any(),
-            );
-        }
+        let provider_icon = Self::get_prediction_provider_icon_name(&self.edit_prediction_provider);
 
         let is_refreshing = provider.provider.is_refreshing(cx);
 
-        fn pending_completion_container() -> Div {
-            h_flex()
-                .h_full()
-                .flex_1()
-                .gap_2()
-                .child(Icon::new(IconName::ZedPredict))
+        fn pending_completion_container(icon: IconName) -> Div {
+            h_flex().h_full().flex_1().gap_2().child(Icon::new(icon))
         }
 
-        let completion = match &self.active_inline_completion {
+        let completion = match &self.active_edit_prediction {
             Some(prediction) => {
                 if !self.has_visible_completions_menu() {
                     const RADIUS: Pixels = px(6.);
@@ -9145,16 +9202,16 @@ impl Editor {
                             .rounded_tl(px(0.))
                             .overflow_hidden()
                             .child(div().px_1p5().child(match &prediction.completion {
-                                InlineCompletion::Move { target, snapshot } => {
+                                EditPrediction::Move { target, snapshot } => {
                                     use text::ToPoint as _;
-                                    if target.text_anchor.to_point(&snapshot).row > cursor_point.row
+                                    if target.text_anchor.to_point(snapshot).row > cursor_point.row
                                     {
                                         Icon::new(IconName::ZedPredictDown)
                                     } else {
                                         Icon::new(IconName::ZedPredictUp)
                                     }
                                 }
-                                InlineCompletion::Edit { .. } => Icon::new(IconName::ZedPredict),
+                                EditPrediction::Edit { .. } => Icon::new(provider_icon),
                             }))
                             .child(
                                 h_flex()
@@ -9213,7 +9270,7 @@ impl Editor {
                 )?
             }
 
-            None if is_refreshing => match &self.stale_inline_completion_in_menu {
+            None if is_refreshing => match &self.stale_edit_prediction_in_menu {
                 Some(stale_completion) => self.render_edit_prediction_cursor_popover_preview(
                     stale_completion,
                     cursor_point,
@@ -9221,15 +9278,15 @@ impl Editor {
                     cx,
                 )?,
 
-                None => {
-                    pending_completion_container().child(Label::new("...").size(LabelSize::Small))
-                }
+                None => pending_completion_container(provider_icon)
+                    .child(Label::new("...").size(LabelSize::Small)),
             },
 
-            None => pending_completion_container().child(Label::new("No Prediction")),
+            None => pending_completion_container(provider_icon)
+                .child(Label::new("...").size(LabelSize::Small)),
         };
 
-        let completion = if is_refreshing {
+        let completion = if is_refreshing || self.active_edit_prediction.is_none() {
             completion
                 .with_animation(
                     "loading-completion",
@@ -9243,7 +9300,7 @@ impl Editor {
             completion.into_any_element()
         };
 
-        let has_completion = self.active_inline_completion.is_some();
+        let has_completion = self.active_edit_prediction.is_some();
 
         let is_platform_style_mac = PlatformStyle::platform() == PlatformStyle::Mac;
         Some(
@@ -9302,7 +9359,7 @@ impl Editor {
 
     fn render_edit_prediction_cursor_popover_preview(
         &self,
-        completion: &InlineCompletionState,
+        completion: &EditPredictionState,
         cursor_point: Point,
         style: &EditorStyle,
         cx: &mut Context<Editor>,
@@ -9329,40 +9386,51 @@ impl Editor {
                 .child(Icon::new(arrow).color(Color::Muted).size(IconSize::Small))
         }
 
-        match &completion.completion {
-            InlineCompletion::Move {
-                target, snapshot, ..
-            } => Some(
-                h_flex()
-                    .px_2()
-                    .gap_2()
-                    .flex_1()
-                    .child(
-                        if target.text_anchor.to_point(&snapshot).row > cursor_point.row {
-                            Icon::new(IconName::ZedPredictDown)
-                        } else {
-                            Icon::new(IconName::ZedPredictUp)
-                        },
-                    )
-                    .child(Label::new("Jump to Edit")),
-            ),
+        let supports_jump = self
+            .edit_prediction_provider
+            .as_ref()
+            .map(|provider| provider.provider.supports_jump_to_edit())
+            .unwrap_or(true);
 
-            InlineCompletion::Edit {
+        match &completion.completion {
+            EditPrediction::Move {
+                target, snapshot, ..
+            } => {
+                if !supports_jump {
+                    return None;
+                }
+
+                Some(
+                    h_flex()
+                        .px_2()
+                        .gap_2()
+                        .flex_1()
+                        .child(
+                            if target.text_anchor.to_point(snapshot).row > cursor_point.row {
+                                Icon::new(IconName::ZedPredictDown)
+                            } else {
+                                Icon::new(IconName::ZedPredictUp)
+                            },
+                        )
+                        .child(Label::new("Jump to Edit")),
+                )
+            }
+
+            EditPrediction::Edit {
                 edits,
                 edit_preview,
                 snapshot,
                 display_mode: _,
             } => {
-                let first_edit_row = edits.first()?.0.start.text_anchor.to_point(&snapshot).row;
+                let first_edit_row = edits.first()?.0.start.text_anchor.to_point(snapshot).row;
 
-                let (highlighted_edits, has_more_lines) = crate::inline_completion_edit_text(
-                    &snapshot,
-                    &edits,
-                    edit_preview.as_ref()?,
-                    true,
-                    cx,
-                )
-                .first_line_preview();
+                let (highlighted_edits, has_more_lines) =
+                    if let Some(edit_preview) = edit_preview.as_ref() {
+                        crate::edit_prediction_edit_text(snapshot, edits, edit_preview, true, cx)
+                            .first_line_preview()
+                    } else {
+                        crate::edit_prediction_fallback_text(edits, cx).first_line_preview()
+                    };
 
                 let styled_text = gpui::StyledText::new(highlighted_edits.text)
                     .with_default_highlights(&style.text, highlighted_edits.highlights);
@@ -9373,11 +9441,13 @@ impl Editor {
                     .child(styled_text)
                     .when(has_more_lines, |parent| parent.child("…"));
 
-                let left = if first_edit_row != cursor_point.row {
+                let left = if supports_jump && first_edit_row != cursor_point.row {
                     render_relative_row_jump("", cursor_point.row, first_edit_row)
                         .into_any_element()
                 } else {
-                    Icon::new(IconName::ZedPredict).into_any_element()
+                    let icon_name =
+                        Editor::get_prediction_provider_icon_name(&self.edit_prediction_provider);
+                    Icon::new(icon_name).into_any_element()
                 };
 
                 Some(
@@ -9433,12 +9503,12 @@ impl Editor {
         cx.notify();
         self.completion_tasks.clear();
         let context_menu = self.context_menu.borrow_mut().take();
-        self.stale_inline_completion_in_menu.take();
-        self.update_visible_inline_completion(window, cx);
-        if let Some(CodeContextMenu::Completions(_)) = &context_menu {
-            if let Some(completion_provider) = &self.completion_provider {
-                completion_provider.selection_changed(None, window, cx);
-            }
+        self.stale_edit_prediction_in_menu.take();
+        self.update_visible_edit_prediction(window, cx);
+        if let Some(CodeContextMenu::Completions(_)) = &context_menu
+            && let Some(completion_provider) = &self.completion_provider
+        {
+            completion_provider.selection_changed(None, window, cx);
         }
         context_menu
     }
@@ -9449,17 +9519,21 @@ impl Editor {
         selection: Range<Anchor>,
         cx: &mut Context<Self>,
     ) {
-        let buffer_id = match (&selection.start.buffer_id, &selection.end.buffer_id) {
-            (Some(a), Some(b)) if a == b => a,
-            _ => {
-                log::error!("expected anchor range to have matching buffer IDs");
-                return;
-            }
-        };
-        let multi_buffer = self.buffer().read(cx);
-        let Some(buffer) = multi_buffer.buffer(*buffer_id) else {
+        let Some((_, buffer, _)) = self
+            .buffer()
+            .read(cx)
+            .excerpt_containing(selection.start, cx)
+        else {
             return;
         };
+        let Some((_, end_buffer, _)) = self.buffer().read(cx).excerpt_containing(selection.end, cx)
+        else {
+            return;
+        };
+        if buffer != end_buffer {
+            log::error!("expected anchor range to have matching buffer IDs");
+            return;
+        }
 
         let id = post_inc(&mut self.next_completion_id);
         let snippet_sort_order = EditorSettings::get_global(cx).snippet_sort_order;
@@ -9505,7 +9579,7 @@ impl Editor {
                 .tabstops
                 .iter()
                 .map(|tabstop| {
-                    let is_end_tabstop = tabstop.ranges.first().map_or(false, |tabstop| {
+                    let is_end_tabstop = tabstop.ranges.first().is_some_and(|tabstop| {
                         tabstop.is_empty() && tabstop.start == snippet.text.len() as isize
                     });
                     let mut tabstop_ranges = tabstop
@@ -9543,10 +9617,10 @@ impl Editor {
                 s.select_ranges(tabstop.ranges.iter().rev().cloned());
             });
 
-            if let Some(choices) = &tabstop.choices {
-                if let Some(selection) = tabstop.ranges.first() {
-                    self.show_snippet_choices(choices, selection.clone(), cx)
-                }
+            if let Some(choices) = &tabstop.choices
+                && let Some(selection) = tabstop.ranges.first()
+            {
+                self.show_snippet_choices(choices, selection.clone(), cx)
             }
 
             // If we're already at the last tabstop and it's at the end of the snippet,
@@ -9680,10 +9754,10 @@ impl Editor {
                     s.select_ranges(current_ranges.iter().rev().cloned())
                 });
 
-                if let Some(choices) = &snippet.choices[snippet.active_index] {
-                    if let Some(selection) = current_ranges.first() {
-                        self.show_snippet_choices(&choices, selection.clone(), cx);
-                    }
+                if let Some(choices) = &snippet.choices[snippet.active_index]
+                    && let Some(selection) = current_ranges.first()
+                {
+                    self.show_snippet_choices(choices, selection.clone(), cx);
                 }
 
                 // If snippet state is not at the last tabstop, push it back on the stack
@@ -9705,6 +9779,9 @@ impl Editor {
     }
 
     pub fn backspace(&mut self, _: &Backspace, window: &mut Window, cx: &mut Context<Self>) {
+        if self.read_only(cx) {
+            return;
+        }
         self.hide_mouse_cursor(HideMouseCursorOrigin::TypingAction, cx);
         self.transact(window, cx, |this, window, cx| {
             this.select_autoclose_pair(window, cx);
@@ -9792,12 +9869,15 @@ impl Editor {
                     this.edit(edits, None, cx);
                 })
             }
-            this.refresh_inline_completion(true, false, window, cx);
+            this.refresh_edit_prediction(true, false, window, cx);
             linked_editing_ranges::refresh_linked_ranges(this, window, cx);
         });
     }
 
     pub fn delete(&mut self, _: &Delete, window: &mut Window, cx: &mut Context<Self>) {
+        if self.read_only(cx) {
+            return;
+        }
         self.hide_mouse_cursor(HideMouseCursorOrigin::TypingAction, cx);
         self.transact(window, cx, |this, window, cx| {
             this.change_selections(Default::default(), window, cx, |s| {
@@ -9811,7 +9891,7 @@ impl Editor {
                 })
             });
             this.insert("", window, cx);
-            this.refresh_inline_completion(true, false, window, cx);
+            this.refresh_edit_prediction(true, false, window, cx);
         });
     }
 
@@ -9944,7 +10024,7 @@ impl Editor {
         self.transact(window, cx, |this, window, cx| {
             this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
             this.change_selections(Default::default(), window, cx, |s| s.select(selections));
-            this.refresh_inline_completion(true, false, window, cx);
+            this.refresh_edit_prediction(true, false, window, cx);
         });
     }
 
@@ -10080,10 +10160,10 @@ impl Editor {
 
                 // Avoid re-outdenting a row that has already been outdented by a
                 // previous selection.
-                if let Some(last_row) = last_outdent {
-                    if last_row == rows.start {
-                        rows.start = rows.start.next_row();
-                    }
+                if let Some(last_row) = last_outdent
+                    && last_row == rows.start
+                {
+                    rows.start = rows.start.next_row();
                 }
                 let has_multiple_rows = rows.len() > 1;
                 for row in rows.iter_rows() {
@@ -10261,11 +10341,11 @@ impl Editor {
                 MultiBufferRow(selection.end.row)
             };
 
-            if let Some(last_row_range) = row_ranges.last_mut() {
-                if start <= last_row_range.end {
-                    last_row_range.end = end;
-                    continue;
-                }
+            if let Some(last_row_range) = row_ranges.last_mut()
+                && start <= last_row_range.end
+            {
+                last_row_range.end = end;
+                continue;
             }
             row_ranges.push(start..end);
         }
@@ -10443,7 +10523,7 @@ impl Editor {
     ) {
         if let Some(working_directory) = self.active_excerpt(cx).and_then(|(_, buffer, _)| {
             let project_path = buffer.read(cx).project_path(cx)?;
-            let project = self.project.as_ref()?.read(cx);
+            let project = self.project()?.read(cx);
             let entry = project.entry_for_path(&project_path, cx)?;
             let parent = match &entry.canonical_path {
                 Some(canonical_path) => canonical_path.to_path_buf(),
@@ -10546,16 +10626,12 @@ impl Editor {
         snapshot: &EditorSnapshot,
         cx: &mut Context<Self>,
     ) -> Option<(Anchor, Breakpoint)> {
-        let project = self.project.clone()?;
-
-        let buffer_id = breakpoint_position.buffer_id.or_else(|| {
-            snapshot
-                .buffer_snapshot
-                .buffer_id_for_excerpt(breakpoint_position.excerpt_id)
-        })?;
+        let buffer = self
+            .buffer
+            .read(cx)
+            .buffer_for_anchor(breakpoint_position, cx)?;
 
         let enclosing_excerpt = breakpoint_position.excerpt_id;
-        let buffer = project.read(cx).buffer_for_id(buffer_id, cx)?;
         let buffer_snapshot = buffer.read(cx).snapshot();
 
         let row = buffer_snapshot
@@ -10567,8 +10643,7 @@ impl Editor {
             .buffer_snapshot
             .anchor_after(Point::new(row, line_len));
 
-        let bp = self
-            .breakpoint_store
+        self.breakpoint_store
             .as_ref()?
             .read_with(cx, |breakpoint_store, cx| {
                 breakpoint_store
@@ -10593,8 +10668,7 @@ impl Editor {
                             None
                         }
                     })
-            });
-        bp
+            })
     }
 
     pub fn edit_log_breakpoint(
@@ -10630,7 +10704,7 @@ impl Editor {
         let cursors = self
             .selections
             .disjoint_anchors()
-            .into_iter()
+            .iter()
             .map(|selection| {
                 let cursor_position: Point = selection.head().to_point(&snapshot.buffer_snapshot);
 
@@ -10730,21 +10804,11 @@ impl Editor {
             return;
         };
 
-        let Some(buffer_id) = breakpoint_position.buffer_id.or_else(|| {
-            if breakpoint_position == Anchor::min() {
-                self.buffer()
-                    .read(cx)
-                    .excerpt_buffer_ids()
-                    .into_iter()
-                    .next()
-            } else {
-                None
-            }
-        }) else {
-            return;
-        };
-
-        let Some(buffer) = self.buffer().read(cx).buffer(buffer_id) else {
+        let Some(buffer) = self
+            .buffer
+            .read(cx)
+            .buffer_for_anchor(breakpoint_position, cx)
+        else {
             return;
         };
 
@@ -10972,7 +11036,7 @@ impl Editor {
                 let mut col = 0;
                 let mut changed = false;
 
-                while let Some(ch) = chars.next() {
+                for ch in chars.by_ref() {
                     match ch {
                         ' ' => {
                             reindented_line.push(' ');
@@ -11028,7 +11092,7 @@ impl Editor {
                 let mut first_non_indent_char = None;
                 let mut changed = false;
 
-                while let Some(ch) = chars.next() {
+                for ch in chars.by_ref() {
                     match ch {
                         ' ' => {
                             // Keep track of spaces. Append \t when we reach tab_size
@@ -11636,7 +11700,7 @@ impl Editor {
                     let transpose_start = display_map
                         .buffer_snapshot
                         .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
-                    if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
+                    if edits.last().is_none_or(|e| e.0.end <= transpose_start) {
                         let transpose_end = display_map
                             .buffer_snapshot
                             .clip_offset(transpose_offset + 1, Bias::Right);
@@ -12118,6 +12182,8 @@ impl Editor {
         let clipboard_text = Cow::Borrowed(text);
 
         self.transact(window, cx, |this, window, cx| {
+            let had_active_edit_prediction = this.has_active_edit_prediction();
+
             if let Some(mut clipboard_selections) = clipboard_selections {
                 let old_selections = this.selections.all::<usize>(cx);
                 let all_selections_were_entire_line =
@@ -12190,6 +12256,11 @@ impl Editor {
             } else {
                 this.insert(&clipboard_text, window, cx);
             }
+
+            let trigger_in_words =
+                this.show_edit_predictions_in_menu() || !had_active_edit_prediction;
+
+            this.trigger_completion_on_input(text, trigger_in_words, window, cx);
         });
     }
 
@@ -12273,7 +12344,7 @@ impl Editor {
             }
             self.request_autoscroll(Autoscroll::fit(), cx);
             self.unmark_text(window, cx);
-            self.refresh_inline_completion(true, false, window, cx);
+            self.refresh_edit_prediction(true, false, window, cx);
             cx.emit(EditorEvent::Edited { transaction_id });
             cx.emit(EditorEvent::TransactionUndone { transaction_id });
         }
@@ -12303,7 +12374,7 @@ impl Editor {
             }
             self.request_autoscroll(Autoscroll::fit(), cx);
             self.unmark_text(window, cx);
-            self.refresh_inline_completion(true, false, window, cx);
+            self.refresh_edit_prediction(true, false, window, cx);
             cx.emit(EditorEvent::Edited { transaction_id });
         }
     }
@@ -12543,7 +12614,7 @@ impl Editor {
             return;
         }
 
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -12667,7 +12738,7 @@ impl Editor {
             return;
         }
 
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13151,7 +13222,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13172,7 +13243,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13193,7 +13264,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13214,7 +13285,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13235,7 +13306,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13260,7 +13331,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13285,7 +13356,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13310,7 +13381,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13335,7 +13406,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13356,7 +13427,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13377,7 +13448,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13398,7 +13469,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13419,7 +13490,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13444,7 +13515,7 @@ impl Editor {
     }
 
     pub fn move_to_end(&mut self, _: &MoveToEnd, window: &mut Window, cx: &mut Context<Self>) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -13547,7 +13618,7 @@ impl Editor {
 
     pub fn split_selection_into_lines(
         &mut self,
-        _: &SplitSelectionIntoLines,
+        action: &SplitSelectionIntoLines,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
@@ -13564,8 +13635,21 @@ impl Editor {
             let buffer = self.buffer.read(cx).read(cx);
             for selection in selections {
                 for row in selection.start.row..selection.end.row {
-                    let cursor = Point::new(row, buffer.line_len(MultiBufferRow(row)));
-                    new_selection_ranges.push(cursor..cursor);
+                    let line_start = Point::new(row, 0);
+                    let line_end = Point::new(row, buffer.line_len(MultiBufferRow(row)));
+
+                    if action.keep_selections {
+                        // Keep the selection range for each line
+                        let selection_start = if row == selection.start.row {
+                            selection.start
+                        } else {
+                            line_start
+                        };
+                        new_selection_ranges.push(selection_start..line_end);
+                    } else {
+                        // Collapse to cursor at end of line
+                        new_selection_ranges.push(line_end..line_end);
+                    }
                 }
 
                 let is_multiline_selection = selection.start.row != selection.end.row;
@@ -13573,7 +13657,16 @@ impl Editor {
                 // so this action feels more ergonomic when paired with other selection operations
                 let should_skip_last = is_multiline_selection && selection.end.column == 0;
                 if !should_skip_last {
-                    new_selection_ranges.push(selection.end..selection.end);
+                    if action.keep_selections {
+                        if is_multiline_selection {
+                            let line_start = Point::new(selection.end.row, 0);
+                            new_selection_ranges.push(line_start..selection.end);
+                        } else {
+                            new_selection_ranges.push(selection.start..selection.end);
+                        }
+                    } else {
+                        new_selection_ranges.push(selection.end..selection.end);
+                    }
                 }
             }
         }
@@ -14471,7 +14564,7 @@ impl Editor {
             let advance_downwards = action.advance_downwards
                 && selections_on_single_row
                 && !selections_selecting
-                && !matches!(this.mode, EditorMode::SingleLine { .. });
+                && !matches!(this.mode, EditorMode::SingleLine);
 
             if advance_downwards {
                 let snapshot = this.buffer.read(cx).snapshot(cx);
@@ -14708,12 +14801,94 @@ impl Editor {
         }
     }
 
+    pub fn unwrap_syntax_node(
+        &mut self,
+        _: &UnwrapSyntaxNode,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        self.hide_mouse_cursor(HideMouseCursorOrigin::MovementAction, cx);
+
+        let buffer = self.buffer.read(cx).snapshot(cx);
+        let selections = self
+            .selections
+            .all::<usize>(cx)
+            .into_iter()
+            // subtracting the offset requires sorting
+            .sorted_by_key(|i| i.start);
+
+        let full_edits = selections
+            .into_iter()
+            .filter_map(|selection| {
+                // Only requires two branches once if-let-chains stabilize (#53667)
+                let child = if !selection.is_empty() {
+                    selection.range()
+                } else if let Some((_, ancestor_range)) =
+                    buffer.syntax_ancestor(selection.start..selection.end)
+                {
+                    match ancestor_range {
+                        MultiOrSingleBufferOffsetRange::Single(range) => range,
+                        MultiOrSingleBufferOffsetRange::Multi(range) => range,
+                    }
+                } else {
+                    selection.range()
+                };
+
+                let mut parent = child.clone();
+                while let Some((_, ancestor_range)) = buffer.syntax_ancestor(parent.clone()) {
+                    parent = match ancestor_range {
+                        MultiOrSingleBufferOffsetRange::Single(range) => range,
+                        MultiOrSingleBufferOffsetRange::Multi(range) => range,
+                    };
+                    if parent.start < child.start || parent.end > child.end {
+                        break;
+                    }
+                }
+
+                if parent == child {
+                    return None;
+                }
+                let text = buffer.text_for_range(child).collect::<String>();
+                Some((selection.id, parent, text))
+            })
+            .collect::<Vec<_>>();
+
+        self.transact(window, cx, |this, window, cx| {
+            this.buffer.update(cx, |buffer, cx| {
+                buffer.edit(
+                    full_edits
+                        .iter()
+                        .map(|(_, p, t)| (p.clone(), t.clone()))
+                        .collect::<Vec<_>>(),
+                    None,
+                    cx,
+                );
+            });
+            this.change_selections(Default::default(), window, cx, |s| {
+                let mut offset = 0;
+                let mut selections = vec![];
+                for (id, parent, text) in full_edits {
+                    let start = parent.start - offset;
+                    offset += parent.len() - text.len();
+                    selections.push(Selection {
+                        id,
+                        start,
+                        end: start + text.len(),
+                        reversed: false,
+                        goal: Default::default(),
+                    });
+                }
+                s.select(selections);
+            });
+        });
+    }
+
     fn refresh_runnables(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Task<()> {
         if !EditorSettings::get_global(cx).gutter.runnables {
             self.clear_tasks();
             return Task::ready(());
         }
-        let project = self.project.as_ref().map(Entity::downgrade);
+        let project = self.project().map(Entity::downgrade);
         let task_sources = self.lsp_task_sources(cx);
         let multi_buffer = self.buffer.downgrade();
         cx.spawn_in(window, async move |editor, cx| {
@@ -14728,10 +14903,7 @@ impl Editor {
             };
 
             let hide_runnables = project
-                .update(cx, |project, cx| {
-                    // Do not display any test indicators in non-dev server remote projects.
-                    project.is_via_collab() && project.ssh_connection_string(cx).is_none()
-                })
+                .update(cx, |project, _| project.is_via_collab())
                 .unwrap_or(true);
             if hide_runnables {
                 return;
@@ -15124,17 +15296,15 @@ impl Editor {
         if direction == ExpandExcerptDirection::Down {
             let multi_buffer = self.buffer.read(cx);
             let snapshot = multi_buffer.snapshot(cx);
-            if let Some(buffer_id) = snapshot.buffer_id_for_excerpt(excerpt) {
-                if let Some(buffer) = multi_buffer.buffer(buffer_id) {
-                    if let Some(excerpt_range) = snapshot.buffer_range_for_excerpt(excerpt) {
-                        let buffer_snapshot = buffer.read(cx).snapshot();
-                        let excerpt_end_row =
-                            Point::from_anchor(&excerpt_range.end, &buffer_snapshot).row;
-                        let last_row = buffer_snapshot.max_point().row;
-                        let lines_below = last_row.saturating_sub(excerpt_end_row);
-                        should_scroll_up = lines_below >= lines_to_expand;
-                    }
-                }
+            if let Some(buffer_id) = snapshot.buffer_id_for_excerpt(excerpt)
+                && let Some(buffer) = multi_buffer.buffer(buffer_id)
+                && let Some(excerpt_range) = snapshot.buffer_range_for_excerpt(excerpt)
+            {
+                let buffer_snapshot = buffer.read(cx).snapshot();
+                let excerpt_end_row = Point::from_anchor(&excerpt_range.end, &buffer_snapshot).row;
+                let last_row = buffer_snapshot.max_point().row;
+                let lines_below = last_row.saturating_sub(excerpt_end_row);
+                should_scroll_up = lines_below >= lines_to_expand;
             }
         }
 
@@ -15219,10 +15389,10 @@ impl Editor {
         let selection = self.selections.newest::<usize>(cx);
 
         let mut active_group_id = None;
-        if let ActiveDiagnostic::Group(active_group) = &self.active_diagnostics {
-            if active_group.active_range.start.to_offset(&buffer) == selection.start {
-                active_group_id = Some(active_group.group_id);
-            }
+        if let ActiveDiagnostic::Group(active_group) = &self.active_diagnostics
+            && active_group.active_range.start.to_offset(&buffer) == selection.start
+        {
+            active_group_id = Some(active_group.group_id);
         }
 
         fn filtered(
@@ -15281,7 +15451,8 @@ impl Editor {
             return;
         };
 
-        let Some(buffer_id) = buffer.anchor_after(next_diagnostic.range.start).buffer_id else {
+        let next_diagnostic_start = buffer.anchor_after(next_diagnostic.range.start);
+        let Some(buffer_id) = buffer.buffer_id_for_anchor(next_diagnostic_start) else {
             return;
         };
         self.change_selections(Default::default(), window, cx, |s| {
@@ -15290,7 +15461,7 @@ impl Editor {
             ])
         });
         self.activate_diagnostics(buffer_id, next_diagnostic, window, cx);
-        self.refresh_inline_completion(false, true, window, cx);
+        self.refresh_edit_prediction(false, true, window, cx);
     }
 
     pub fn go_to_next_hunk(&mut self, _: &GoToHunk, window: &mut Window, cx: &mut Context<Self>) {
@@ -15551,18 +15722,17 @@ impl Editor {
         };
         let head = self.selections.newest::<usize>(cx).head();
         let buffer = self.buffer.read(cx);
-        let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
-            text_anchor
-        } else {
+        let Some((buffer, head)) = buffer.text_anchor_for_position(head, cx) else {
             return Task::ready(Ok(Navigated::No));
         };
-
         let Some(definitions) = provider.definitions(&buffer, head, kind, cx) else {
             return Task::ready(Ok(Navigated::No));
         };
 
         cx.spawn_in(window, async move |editor, cx| {
-            let definitions = definitions.await?;
+            let Some(definitions) = definitions.await? else {
+                return Ok(Navigated::No);
+            };
             let navigated = editor
                 .update_in(cx, |editor, window, cx| {
                     editor.navigate_to_hover_links(
@@ -15661,62 +15831,120 @@ impl Editor {
     pub(crate) fn navigate_to_hover_links(
         &mut self,
         kind: Option<GotoDefinitionKind>,
-        mut definitions: Vec<HoverLink>,
+        definitions: Vec<HoverLink>,
         split: bool,
         window: &mut Window,
         cx: &mut Context<Editor>,
     ) -> Task<Result<Navigated>> {
-        // If there is one definition, just open it directly
-        if definitions.len() == 1 {
-            let definition = definitions.pop().unwrap();
-
-            enum TargetTaskResult {
-                Location(Option<Location>),
-                AlreadyNavigated,
-            }
-
-            let target_task = match definition {
-                HoverLink::Text(link) => {
-                    Task::ready(anyhow::Ok(TargetTaskResult::Location(Some(link.target))))
-                }
+        // Separate out url and file links, we can only handle one of them at most or an arbitrary number of locations
+        let mut first_url_or_file = None;
+        let definitions: Vec<_> = definitions
+            .into_iter()
+            .filter_map(|def| match def {
+                HoverLink::Text(link) => Some(Task::ready(anyhow::Ok(Some(link.target)))),
                 HoverLink::InlayHint(lsp_location, server_id) => {
                     let computation =
                         self.compute_target_location(lsp_location, server_id, window, cx);
-                    cx.background_spawn(async move {
-                        let location = computation.await?;
-                        Ok(TargetTaskResult::Location(location))
-                    })
+                    Some(cx.background_spawn(computation))
                 }
                 HoverLink::Url(url) => {
-                    cx.open_url(&url);
-                    Task::ready(Ok(TargetTaskResult::AlreadyNavigated))
+                    first_url_or_file = Some(Either::Left(url));
+                    None
                 }
                 HoverLink::File(path) => {
-                    if let Some(workspace) = self.workspace() {
-                        cx.spawn_in(window, async move |_, cx| {
-                            workspace
-                                .update_in(cx, |workspace, window, cx| {
-                                    workspace.open_resolved_path(path, window, cx)
-                                })?
-                                .await
-                                .map(|_| TargetTaskResult::AlreadyNavigated)
-                        })
-                    } else {
-                        Task::ready(Ok(TargetTaskResult::Location(None)))
-                    }
+                    first_url_or_file = Some(Either::Right(path));
+                    None
                 }
-            };
-            cx.spawn_in(window, async move |editor, cx| {
-                let target = match target_task.await.context("target resolution task")? {
-                    TargetTaskResult::AlreadyNavigated => return Ok(Navigated::Yes),
-                    TargetTaskResult::Location(None) => return Ok(Navigated::No),
-                    TargetTaskResult::Location(Some(target)) => target,
+            })
+            .collect();
+
+        let workspace = self.workspace();
+
+        cx.spawn_in(window, async move |editor, acx| {
+            let mut locations: Vec<Location> = future::join_all(definitions)
+                .await
+                .into_iter()
+                .filter_map(|location| location.transpose())
+                .collect::<Result<_>>()
+                .context("location tasks")?;
+
+            if locations.len() > 1 {
+                let Some(workspace) = workspace else {
+                    return Ok(Navigated::No);
                 };
 
-                editor.update_in(cx, |editor, window, cx| {
-                    let Some(workspace) = editor.workspace() else {
-                        return Navigated::No;
-                    };
+                let tab_kind = match kind {
+                    Some(GotoDefinitionKind::Implementation) => "Implementations",
+                    Some(GotoDefinitionKind::Symbol) | None => "Definitions",
+                    Some(GotoDefinitionKind::Declaration) => "Declarations",
+                    Some(GotoDefinitionKind::Type) => "Types",
+                };
+                let title = editor
+                    .update_in(acx, |_, _, cx| {
+                        let target = locations
+                            .iter()
+                            .map(|location| {
+                                location
+                                    .buffer
+                                    .read(cx)
+                                    .text_for_range(location.range.clone())
+                                    .collect::<String>()
+                            })
+                            .filter(|text| !text.contains('\n'))
+                            .unique()
+                            .take(3)
+                            .join(", ");
+                        if target.is_empty() {
+                            tab_kind.to_owned()
+                        } else {
+                            format!("{tab_kind} for {target}")
+                        }
+                    })
+                    .context("buffer title")?;
+
+                let opened = workspace
+                    .update_in(acx, |workspace, window, cx| {
+                        Self::open_locations_in_multibuffer(
+                            workspace,
+                            locations,
+                            title,
+                            split,
+                            MultibufferSelectionMode::First,
+                            window,
+                            cx,
+                        )
+                    })
+                    .is_ok();
+
+                anyhow::Ok(Navigated::from_bool(opened))
+            } else if locations.is_empty() {
+                // If there is one definition, just open it directly
+                match first_url_or_file {
+                    Some(Either::Left(url)) => {
+                        acx.update(|_, cx| cx.open_url(&url))?;
+                        Ok(Navigated::Yes)
+                    }
+                    Some(Either::Right(path)) => {
+                        let Some(workspace) = workspace else {
+                            return Ok(Navigated::No);
+                        };
+
+                        workspace
+                            .update_in(acx, |workspace, window, cx| {
+                                workspace.open_resolved_path(path, window, cx)
+                            })?
+                            .await?;
+                        Ok(Navigated::Yes)
+                    }
+                    None => Ok(Navigated::No),
+                }
+            } else {
+                let Some(workspace) = workspace else {
+                    return Ok(Navigated::No);
+                };
+
+                let target = locations.pop().unwrap();
+                editor.update_in(acx, |editor, window, cx| {
                     let pane = workspace.read(cx).active_pane().clone();
 
                     let range = target.range.to_point(target.buffer.read(cx));
@@ -15726,7 +15954,7 @@ impl Editor {
                     if !split
                         && Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref()
                     {
-                        editor.go_to_singleton_buffer_range(range.clone(), window, cx);
+                        editor.go_to_singleton_buffer_range(range, window, cx);
                     } else {
                         window.defer(cx, move |window, cx| {
                             let target_editor: Entity<Self> =
@@ -15757,81 +15985,8 @@ impl Editor {
                     }
                     Navigated::Yes
                 })
-            })
-        } else if !definitions.is_empty() {
-            cx.spawn_in(window, async move |editor, cx| {
-                let (title, location_tasks, workspace) = editor
-                    .update_in(cx, |editor, window, cx| {
-                        let tab_kind = match kind {
-                            Some(GotoDefinitionKind::Implementation) => "Implementations",
-                            _ => "Definitions",
-                        };
-                        let title = definitions
-                            .iter()
-                            .find_map(|definition| match definition {
-                                HoverLink::Text(link) => link.origin.as_ref().map(|origin| {
-                                    let buffer = origin.buffer.read(cx);
-                                    format!(
-                                        "{} for {}",
-                                        tab_kind,
-                                        buffer
-                                            .text_for_range(origin.range.clone())
-                                            .collect::<String>()
-                                    )
-                                }),
-                                HoverLink::InlayHint(_, _) => None,
-                                HoverLink::Url(_) => None,
-                                HoverLink::File(_) => None,
-                            })
-                            .unwrap_or(tab_kind.to_string());
-                        let location_tasks = definitions
-                            .into_iter()
-                            .map(|definition| match definition {
-                                HoverLink::Text(link) => Task::ready(Ok(Some(link.target))),
-                                HoverLink::InlayHint(lsp_location, server_id) => editor
-                                    .compute_target_location(lsp_location, server_id, window, cx),
-                                HoverLink::Url(_) => Task::ready(Ok(None)),
-                                HoverLink::File(_) => Task::ready(Ok(None)),
-                            })
-                            .collect::<Vec<_>>();
-                        (title, location_tasks, editor.workspace().clone())
-                    })
-                    .context("location tasks preparation")?;
-
-                let locations: Vec<Location> = future::join_all(location_tasks)
-                    .await
-                    .into_iter()
-                    .filter_map(|location| location.transpose())
-                    .collect::<Result<_>>()
-                    .context("location tasks")?;
-
-                if locations.is_empty() {
-                    return Ok(Navigated::No);
-                }
-
-                let Some(workspace) = workspace else {
-                    return Ok(Navigated::No);
-                };
-
-                let opened = workspace
-                    .update_in(cx, |workspace, window, cx| {
-                        Self::open_locations_in_multibuffer(
-                            workspace,
-                            locations,
-                            title,
-                            split,
-                            MultibufferSelectionMode::First,
-                            window,
-                            cx,
-                        )
-                    })
-                    .ok();
-
-                anyhow::Ok(Navigated::from_bool(opened.is_some()))
-            })
-        } else {
-            Task::ready(Ok(Navigated::No))
-        }
+            }
+        })
     }
 
     fn compute_target_location(
@@ -15848,38 +16003,24 @@ impl Editor {
         cx.spawn_in(window, async move |editor, cx| {
             let location_task = editor.update(cx, |_, cx| {
                 project.update(cx, |project, cx| {
-                    let language_server_name = project
-                        .language_server_statuses(cx)
-                        .find(|(id, _)| server_id == *id)
-                        .map(|(_, status)| LanguageServerName::from(status.name.as_str()));
-                    language_server_name.map(|language_server_name| {
-                        project.open_local_buffer_via_lsp(
-                            lsp_location.uri.clone(),
-                            server_id,
-                            language_server_name,
-                            cx,
-                        )
-                    })
+                    project.open_local_buffer_via_lsp(lsp_location.uri.clone(), server_id, cx)
                 })
             })?;
-            let location = match location_task {
-                Some(task) => Some({
-                    let target_buffer_handle = task.await.context("open local buffer")?;
-                    let range = target_buffer_handle.read_with(cx, |target_buffer, _| {
-                        let target_start = target_buffer
-                            .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
-                        let target_end = target_buffer
-                            .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
-                        target_buffer.anchor_after(target_start)
-                            ..target_buffer.anchor_before(target_end)
-                    })?;
-                    Location {
-                        buffer: target_buffer_handle,
-                        range,
-                    }
-                }),
-                None => None,
-            };
+            let location = Some({
+                let target_buffer_handle = location_task.await.context("open local buffer")?;
+                let range = target_buffer_handle.read_with(cx, |target_buffer, _| {
+                    let target_start = target_buffer
+                        .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
+                    let target_end = target_buffer
+                        .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
+                    target_buffer.anchor_after(target_start)
+                        ..target_buffer.anchor_before(target_end)
+                })?;
+                Location {
+                    buffer: target_buffer_handle,
+                    range,
+                }
+            });
             Ok(location)
         })
     }
@@ -15933,25 +16074,32 @@ impl Editor {
                 }
             });
 
-            let locations = references.await?;
+            let Some(locations) = references.await? else {
+                return anyhow::Ok(Navigated::No);
+            };
             if locations.is_empty() {
                 return anyhow::Ok(Navigated::No);
             }
 
             workspace.update_in(cx, |workspace, window, cx| {
-                let title = locations
-                    .first()
-                    .as_ref()
+                let target = locations
+                    .iter()
                     .map(|location| {
-                        let buffer = location.buffer.read(cx);
-                        format!(
-                            "References to `{}`",
-                            buffer
-                                .text_for_range(location.range.clone())
-                                .collect::<String>()
-                        )
+                        location
+                            .buffer
+                            .read(cx)
+                            .text_for_range(location.range.clone())
+                            .collect::<String>()
                     })
-                    .unwrap();
+                    .filter(|text| !text.contains('\n'))
+                    .unique()
+                    .take(3)
+                    .join(", ");
+                let title = if target.is_empty() {
+                    "References".to_owned()
+                } else {
+                    format!("References to {target}")
+                };
                 Self::open_locations_in_multibuffer(
                     workspace,
                     locations,
@@ -16066,24 +16214,22 @@ impl Editor {
         let item_id = item.item_id();
 
         if split {
-            workspace.split_item(SplitDirection::Right, item.clone(), window, cx);
-        } else {
-            if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
-                let (preview_item_id, preview_item_idx) =
-                    workspace.active_pane().read_with(cx, |pane, _| {
-                        (pane.preview_item_id(), pane.preview_item_idx())
-                    });
+            workspace.split_item(SplitDirection::Right, item, window, cx);
+        } else if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
+            let (preview_item_id, preview_item_idx) =
+                workspace.active_pane().read_with(cx, |pane, _| {
+                    (pane.preview_item_id(), pane.preview_item_idx())
+                });
 
-                workspace.add_item_to_active_pane(item.clone(), preview_item_idx, true, window, cx);
+            workspace.add_item_to_active_pane(item, preview_item_idx, true, window, cx);
 
-                if let Some(preview_item_id) = preview_item_id {
-                    workspace.active_pane().update(cx, |pane, cx| {
-                        pane.remove_item(preview_item_id, false, false, window, cx);
-                    });
-                }
-            } else {
-                workspace.add_item_to_active_pane(item.clone(), None, true, window, cx);
+            if let Some(preview_item_id) = preview_item_id {
+                workspace.active_pane().update(cx, |pane, cx| {
+                    pane.remove_item(preview_item_id, false, false, window, cx);
+                });
             }
+        } else {
+            workspace.add_item_to_active_pane(item, None, true, window, cx);
         }
         workspace.active_pane().update(cx, |pane, cx| {
             pane.set_preview_item_id(Some(item_id), cx);
@@ -16254,7 +16400,7 @@ impl Editor {
                                                     font_weight: Some(FontWeight::BOLD),
                                                     ..make_inlay_hints_style(cx.app)
                                                 },
-                                                inline_completion_styles: make_suggestion_styles(
+                                                edit_prediction_styles: make_suggestion_styles(
                                                     cx.app,
                                                 ),
                                                 ..EditorStyle::default()
@@ -16473,10 +16619,7 @@ impl Editor {
                     .transaction(transaction_id_prev)
                     .map(|t| t.0.clone())
             })
-            .unwrap_or_else(|| {
-                log::info!("Failed to determine selections from before format. Falling back to selections when format was initiated");
-                self.selections.disjoint_anchors()
-            });
+            .unwrap_or_else(|| self.selections.disjoint_anchors());
 
         let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
         let format = project.update(cx, |project, cx| {
@@ -16494,10 +16637,10 @@ impl Editor {
 
             buffer
                 .update(cx, |buffer, cx| {
-                    if let Some(transaction) = transaction {
-                        if !buffer.is_singleton() {
-                            buffer.push_transaction(&transaction.0, cx);
-                        }
+                    if let Some(transaction) = transaction
+                        && !buffer.is_singleton()
+                    {
+                        buffer.push_transaction(&transaction.0, cx);
                     }
                     cx.notify();
                 })
@@ -16563,10 +16706,10 @@ impl Editor {
             buffer
                 .update(cx, |buffer, cx| {
                     // check if we need this
-                    if let Some(transaction) = transaction {
-                        if !buffer.is_singleton() {
-                            buffer.push_transaction(&transaction.0, cx);
-                        }
+                    if let Some(transaction) = transaction
+                        && !buffer.is_singleton()
+                    {
+                        buffer.push_transaction(&transaction.0, cx);
                     }
                     cx.notify();
                 })
@@ -16915,7 +17058,7 @@ impl Editor {
         if !pull_diagnostics_settings.enabled {
             return None;
         }
-        let project = self.project.as_ref()?.downgrade();
+        let project = self.project()?.downgrade();
         let debounce = Duration::from_millis(pull_diagnostics_settings.debounce_ms);
         let mut buffers = self.buffer.read(cx).all_buffers();
         if let Some(buffer_id) = buffer_id {
@@ -17198,12 +17341,12 @@ impl Editor {
                 }
 
                 for row in (0..=range.start.row).rev() {
-                    if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
-                        if crease.range().end.row >= buffer_start_row {
-                            to_fold.push(crease);
-                            if row <= range.start.row {
-                                break;
-                            }
+                    if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row))
+                        && crease.range().end.row >= buffer_start_row
+                    {
+                        to_fold.push(crease);
+                        if row <= range.start.row {
+                            break;
                         }
                     }
                 }
@@ -17731,7 +17874,7 @@ impl Editor {
         ranges: &[Range<Anchor>],
         snapshot: &MultiBufferSnapshot,
     ) -> bool {
-        let mut hunks = self.diff_hunks_in_ranges(ranges, &snapshot);
+        let mut hunks = self.diff_hunks_in_ranges(ranges, snapshot);
         hunks.any(|hunk| hunk.status().has_secondary_hunk())
     }
 
@@ -17879,7 +18022,7 @@ impl Editor {
         hunks: impl Iterator<Item = MultiBufferDiffHunk>,
         cx: &mut App,
     ) -> Option<()> {
-        let project = self.project.as_ref()?;
+        let project = self.project()?;
         let buffer = project.read(cx).buffer_for_id(buffer_id, cx)?;
         let diff = self.buffer.read(cx).diff_for(buffer_id)?;
         let buffer_snapshot = buffer.read(cx).snapshot();
@@ -18513,10 +18656,10 @@ impl Editor {
 
     pub fn working_directory(&self, cx: &App) -> Option<PathBuf> {
         if let Some(buffer) = self.buffer().read(cx).as_singleton() {
-            if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
-                if let Some(dir) = file.abs_path(cx).parent() {
-                    return Some(dir.to_owned());
-                }
+            if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local())
+                && let Some(dir) = file.abs_path(cx).parent()
+            {
+                return Some(dir.to_owned());
             }
 
             if let Some(project_path) = buffer.read(cx).project_path(cx) {
@@ -18539,7 +18682,7 @@ impl Editor {
         self.active_excerpt(cx).and_then(|(_, buffer, _)| {
             let buffer = buffer.read(cx);
             if let Some(project_path) = buffer.project_path(cx) {
-                let project = self.project.as_ref()?.read(cx);
+                let project = self.project()?.read(cx);
                 project.absolute_path(&project_path, cx)
             } else {
                 buffer
@@ -18552,7 +18695,7 @@ impl Editor {
     fn target_file_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
         self.active_excerpt(cx).and_then(|(_, buffer, _)| {
             let project_path = buffer.read(cx).project_path(cx)?;
-            let project = self.project.as_ref()?.read(cx);
+            let project = self.project()?.read(cx);
             let entry = project.entry_for_path(&project_path, cx)?;
             let path = entry.path.to_path_buf();
             Some(path)
@@ -18576,10 +18719,10 @@ impl Editor {
         _window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(path) = self.target_file_abs_path(cx) {
-            if let Some(path) = path.to_str() {
-                cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
-            }
+        if let Some(path) = self.target_file_abs_path(cx)
+            && let Some(path) = path.to_str()
+        {
+            cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
         }
     }
 
@@ -18589,10 +18732,10 @@ impl Editor {
         _window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(path) = self.target_file_path(cx) {
-            if let Some(path) = path.to_str() {
-                cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
-            }
+        if let Some(path) = self.target_file_path(cx)
+            && let Some(path) = path.to_str()
+        {
+            cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
         }
     }
 
@@ -18661,22 +18804,20 @@ impl Editor {
         _: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(file) = self.target_file(cx) {
-            if let Some(file_stem) = file.path().file_stem() {
-                if let Some(name) = file_stem.to_str() {
-                    cx.write_to_clipboard(ClipboardItem::new_string(name.to_string()));
-                }
-            }
+        if let Some(file) = self.target_file(cx)
+            && let Some(file_stem) = file.path().file_stem()
+            && let Some(name) = file_stem.to_str()
+        {
+            cx.write_to_clipboard(ClipboardItem::new_string(name.to_string()));
         }
     }
 
     pub fn copy_file_name(&mut self, _: &CopyFileName, _: &mut Window, cx: &mut Context<Self>) {
-        if let Some(file) = self.target_file(cx) {
-            if let Some(file_name) = file.path().file_name() {
-                if let Some(name) = file_name.to_str() {
-                    cx.write_to_clipboard(ClipboardItem::new_string(name.to_string()));
-                }
-            }
+        if let Some(file) = self.target_file(cx)
+            && let Some(file_name) = file.path().file_name()
+            && let Some(name) = file_name.to_str()
+        {
+            cx.write_to_clipboard(ClipboardItem::new_string(name.to_string()));
         }
     }
 
@@ -18773,7 +18914,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(project) = self.project.as_ref() {
+        if let Some(project) = self.project() {
             let Some(buffer) = self.buffer().read(cx).as_singleton() else {
                 return;
             };
@@ -18850,7 +18991,7 @@ impl Editor {
 
     fn has_blame_entries(&self, cx: &App) -> bool {
         self.blame()
-            .map_or(false, |blame| blame.read(cx).has_generated_entries())
+            .is_some_and(|blame| blame.read(cx).has_generated_entries())
     }
 
     fn newest_selection_head_on_empty_line(&self, cx: &App) -> bool {
@@ -18877,19 +19018,16 @@ impl Editor {
                 buffer_ranges.last()
             }?;
 
-            let selection = text::ToPoint::to_point(&range.start, &buffer).row
-                ..text::ToPoint::to_point(&range.end, &buffer).row;
-            Some((
-                multi_buffer.buffer(buffer.remote_id()).unwrap().clone(),
-                selection,
-            ))
+            let selection = text::ToPoint::to_point(&range.start, buffer).row
+                ..text::ToPoint::to_point(&range.end, buffer).row;
+            Some((multi_buffer.buffer(buffer.remote_id()).unwrap(), selection))
         });
 
         let Some((buffer, selection)) = buffer_and_selection else {
             return Task::ready(Err(anyhow!("failed to determine buffer and selection")));
         };
 
-        let Some(project) = self.project.as_ref() else {
+        let Some(project) = self.project() else {
             return Task::ready(Err(anyhow!("editor does not have project")));
         };
 
@@ -18946,10 +19084,10 @@ impl Editor {
         cx: &mut Context<Self>,
     ) {
         let selection = self.selections.newest::<Point>(cx).start.row + 1;
-        if let Some(file) = self.target_file(cx) {
-            if let Some(path) = file.path().to_str() {
-                cx.write_to_clipboard(ClipboardItem::new_string(format!("{path}:{selection}")));
-            }
+        if let Some(file) = self.target_file(cx)
+            && let Some(path) = file.path().to_str()
+        {
+            cx.write_to_clipboard(ClipboardItem::new_string(format!("{path}:{selection}")));
         }
     }
 
@@ -19028,7 +19166,7 @@ impl Editor {
                     (selection.range(), uuid.to_string())
                 });
             this.edit(edits, cx);
-            this.refresh_inline_completion(true, false, window, cx);
+            this.refresh_edit_prediction(true, false, window, cx);
         });
     }
 
@@ -19053,7 +19191,7 @@ impl Editor {
         let locations = self
             .selections
             .all_anchors(cx)
-            .into_iter()
+            .iter()
             .map(|selection| Location {
                 buffer: buffer.clone(),
                 range: selection.start.text_anchor..selection.end.text_anchor,
@@ -19124,7 +19262,7 @@ impl Editor {
                 row_highlights.insert(
                     ix,
                     RowHighlight {
-                        range: range.clone(),
+                        range,
                         index,
                         color,
                         options,
@@ -19500,7 +19638,7 @@ impl Editor {
     pub fn has_background_highlights<T: 'static>(&self) -> bool {
         self.background_highlights
             .get(&HighlightKey::Type(TypeId::of::<T>()))
-            .map_or(false, |(_, highlights)| !highlights.is_empty())
+            .is_some_and(|(_, highlights)| !highlights.is_empty())
     }
 
     pub fn background_highlights_in_range(
@@ -19589,10 +19727,10 @@ impl Editor {
                 break;
             }
             let end = range.end.to_point(&display_snapshot.buffer_snapshot);
-            if let Some(current_row) = &end_row {
-                if end.row == current_row.row {
-                    continue;
-                }
+            if let Some(current_row) = &end_row
+                && end.row == current_row.row
+            {
+                continue;
             }
             let start = range.start.to_point(&display_snapshot.buffer_snapshot);
             if start_row.is_none() {
@@ -19765,11 +19903,8 @@ impl Editor {
         event: &SessionEvent,
         cx: &mut Context<Self>,
     ) {
-        match event {
-            SessionEvent::InvalidateInlineValue => {
-                self.refresh_inline_values(cx);
-            }
-            _ => {}
+        if let SessionEvent::InvalidateInlineValue = event {
+            self.refresh_inline_values(cx);
         }
     }
 
@@ -19881,20 +20016,19 @@ impl Editor {
                 self.refresh_selected_text_highlights(true, window, cx);
                 self.refresh_single_line_folds(window, cx);
                 refresh_matching_bracket_highlights(self, window, cx);
-                if self.has_active_inline_completion() {
-                    self.update_visible_inline_completion(window, cx);
+                if self.has_active_edit_prediction() {
+                    self.update_visible_edit_prediction(window, cx);
                 }
-                if let Some(project) = self.project.as_ref() {
-                    if let Some(edited_buffer) = edited_buffer {
-                        project.update(cx, |project, cx| {
-                            self.registered_buffers
-                                .entry(edited_buffer.read(cx).remote_id())
-                                .or_insert_with(|| {
-                                    project
-                                        .register_buffer_with_language_servers(&edited_buffer, cx)
-                                });
-                        });
-                    }
+                if let Some(project) = self.project.as_ref()
+                    && let Some(edited_buffer) = edited_buffer
+                {
+                    project.update(cx, |project, cx| {
+                        self.registered_buffers
+                            .entry(edited_buffer.read(cx).remote_id())
+                            .or_insert_with(|| {
+                                project.register_buffer_with_language_servers(edited_buffer, cx)
+                            });
+                    });
                 }
                 cx.emit(EditorEvent::BufferEdited);
                 cx.emit(SearchEvent::MatchesInvalidated);
@@ -19904,10 +20038,10 @@ impl Editor {
                 }
 
                 if *singleton_buffer_edited {
-                    if let Some(buffer) = edited_buffer {
-                        if buffer.read(cx).file().is_none() {
-                            cx.emit(EditorEvent::TitleChanged);
-                        }
+                    if let Some(buffer) = edited_buffer
+                        && buffer.read(cx).file().is_none()
+                    {
+                        cx.emit(EditorEvent::TitleChanged);
                     }
                     if let Some(project) = &self.project {
                         #[allow(clippy::mutable_key_type)]
@@ -19953,17 +20087,17 @@ impl Editor {
             } => {
                 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
                 let buffer_id = buffer.read(cx).remote_id();
-                if self.buffer.read(cx).diff_for(buffer_id).is_none() {
-                    if let Some(project) = &self.project {
-                        update_uncommitted_diff_for_buffer(
-                            cx.entity(),
-                            project,
-                            [buffer.clone()],
-                            self.buffer.clone(),
-                            cx,
-                        )
-                        .detach();
-                    }
+                if self.buffer.read(cx).diff_for(buffer_id).is_none()
+                    && let Some(project) = &self.project
+                {
+                    update_uncommitted_diff_for_buffer(
+                        cx.entity(),
+                        project,
+                        [buffer.clone()],
+                        self.buffer.clone(),
+                        cx,
+                    )
+                    .detach();
                 }
                 self.update_lsp_data(false, Some(buffer_id), window, cx);
                 cx.emit(EditorEvent::ExcerptsAdded {
@@ -20084,7 +20218,7 @@ impl Editor {
         }
         self.tasks_update_task = Some(self.refresh_runnables(window, cx));
         self.update_edit_prediction_settings(cx);
-        self.refresh_inline_completion(true, false, window, cx);
+        self.refresh_edit_prediction(true, false, window, cx);
         self.refresh_inline_values(cx);
         self.refresh_inlay_hints(
             InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
@@ -20096,6 +20230,7 @@ impl Editor {
         );
 
         let old_cursor_shape = self.cursor_shape;
+        let old_show_breadcrumbs = self.show_breadcrumbs;
 
         {
             let editor_settings = EditorSettings::get_global(cx);
@@ -20109,6 +20244,10 @@ impl Editor {
             cx.emit(EditorEvent::CursorShapeChanged);
         }
 
+        if old_show_breadcrumbs != self.show_breadcrumbs {
+            cx.emit(EditorEvent::BreadcrumbsChanged);
+        }
+
         let project_settings = ProjectSettings::get_global(cx);
         self.serialize_dirty_buffers =
             !self.mode.is_minimap() && project_settings.session.restore_unsaved_buffers;
@@ -20306,11 +20445,8 @@ impl Editor {
                         .range_to_buffer_ranges_with_deleted_hunks(selection.range())
                     {
                         if let Some(anchor) = anchor {
-                            // selection is in a deleted hunk
-                            let Some(buffer_id) = anchor.buffer_id else {
-                                continue;
-                            };
-                            let Some(buffer_handle) = multi_buffer.buffer(buffer_id) else {
+                            let Some(buffer_handle) = multi_buffer.buffer_for_anchor(anchor, cx)
+                            else {
                                 continue;
                             };
                             let offset = text::ToOffset::to_offset(
@@ -20418,7 +20554,7 @@ impl Editor {
     // For now, don't allow opening excerpts in buffers that aren't backed by
     // regular project files.
     fn can_open_excerpts_in_file(file: Option<&Arc<dyn language::File>>) -> bool {
-        file.map_or(true, |file| project::File::from_dyn(Some(file)).is_some())
+        file.is_none_or(|file| project::File::from_dyn(Some(file)).is_some())
     }
 
     fn marked_text_ranges(&self, cx: &App) -> Option<Vec<Range<OffsetUtf16>>> {
@@ -20461,7 +20597,7 @@ impl Editor {
 
     fn report_editor_event(
         &self,
-        event_type: &'static str,
+        reported_event: ReportEditorEvent,
         file_extension: Option<String>,
         cx: &App,
     ) {
@@ -20495,15 +20631,30 @@ impl Editor {
             .show_edit_predictions;
 
         let project = project.read(cx);
-        telemetry::event!(
-            event_type,
-            file_extension,
-            vim_mode,
-            copilot_enabled,
-            copilot_enabled_for_language,
-            edit_predictions_provider,
-            is_via_ssh = project.is_via_ssh(),
-        );
+        let event_type = reported_event.event_type();
+
+        if let ReportEditorEvent::Saved { auto_saved } = reported_event {
+            telemetry::event!(
+                event_type,
+                type = if auto_saved {"autosave"} else {"manual"},
+                file_extension,
+                vim_mode,
+                copilot_enabled,
+                copilot_enabled_for_language,
+                edit_predictions_provider,
+                is_via_ssh = project.is_via_ssh(),
+            );
+        } else {
+            telemetry::event!(
+                event_type,
+                file_extension,
+                vim_mode,
+                copilot_enabled,
+                copilot_enabled_for_language,
+                edit_predictions_provider,
+                is_via_ssh = project.is_via_ssh(),
+            );
+        };
     }
 
     /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
@@ -20547,11 +20698,11 @@ impl Editor {
             let mut chunk_lines = chunk.text.split('\n').peekable();
             while let Some(text) = chunk_lines.next() {
                 let mut merged_with_last_token = false;
-                if let Some(last_token) = line.back_mut() {
-                    if last_token.highlight == highlight {
-                        last_token.text.push_str(text);
-                        merged_with_last_token = true;
-                    }
+                if let Some(last_token) = line.back_mut()
+                    && last_token.highlight == highlight
+                {
+                    last_token.text.push_str(text);
+                    merged_with_last_token = true;
                 }
 
                 if !merged_with_last_token {
@@ -20716,7 +20867,7 @@ impl Editor {
         {
             self.hide_context_menu(window, cx);
         }
-        self.discard_inline_completion(false, cx);
+        self.discard_edit_prediction(false, cx);
         cx.emit(EditorEvent::Blurred);
         cx.notify();
     }
@@ -20741,7 +20892,7 @@ impl Editor {
 
         let existing_pending = self
             .text_highlights::<PendingInput>(cx)
-            .map(|(_, ranges)| ranges.iter().cloned().collect::<Vec<_>>());
+            .map(|(_, ranges)| ranges.to_vec());
         if existing_pending.is_none() && pending.is_empty() {
             return;
         }
@@ -20856,7 +21007,7 @@ impl Editor {
         cx: &mut Context<Self>,
     ) {
         let workspace = self.workspace();
-        let project = self.project.as_ref();
+        let project = self.project();
         let save_tasks = self.buffer().update(cx, |multi_buffer, cx| {
             let mut tasks = Vec::new();
             for (buffer_id, changes) in revert_changes {
@@ -20894,7 +21045,7 @@ impl Editor {
                     };
                     if let Some((workspace, path)) = workspace.as_ref().zip(path) {
                         let Some(task) = cx
-                            .update_window_entity(&workspace, |workspace, window, cx| {
+                            .update_window_entity(workspace, |workspace, window, cx| {
                                 workspace
                                     .open_path_preview(path, None, false, false, false, window, cx)
                             })
@@ -20946,7 +21097,7 @@ impl Editor {
 
     pub fn has_visible_completions_menu(&self) -> bool {
         !self.edit_prediction_preview_is_active()
-            && self.context_menu.borrow().as_ref().map_or(false, |menu| {
+            && self.context_menu.borrow().as_ref().is_some_and(|menu| {
                 menu.visible() && matches!(menu, CodeContextMenu::Completions(_))
             })
     }
@@ -21010,39 +21161,37 @@ impl Editor {
         {
             let buffer_snapshot = OnceCell::new();
 
-            if let Some(folds) = DB.get_editor_folds(item_id, workspace_id).log_err() {
-                if !folds.is_empty() {
-                    let snapshot =
-                        buffer_snapshot.get_or_init(|| self.buffer.read(cx).snapshot(cx));
-                    self.fold_ranges(
-                        folds
-                            .into_iter()
-                            .map(|(start, end)| {
-                                snapshot.clip_offset(start, Bias::Left)
-                                    ..snapshot.clip_offset(end, Bias::Right)
-                            })
-                            .collect(),
-                        false,
-                        window,
-                        cx,
-                    );
-                }
-            }
-
-            if let Some(selections) = DB.get_editor_selections(item_id, workspace_id).log_err() {
-                if !selections.is_empty() {
-                    let snapshot =
-                        buffer_snapshot.get_or_init(|| self.buffer.read(cx).snapshot(cx));
-                    // skip adding the initial selection to selection history
-                    self.selection_history.mode = SelectionHistoryMode::Skipping;
-                    self.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
-                        s.select_ranges(selections.into_iter().map(|(start, end)| {
+            if let Some(folds) = DB.get_editor_folds(item_id, workspace_id).log_err()
+                && !folds.is_empty()
+            {
+                let snapshot = buffer_snapshot.get_or_init(|| self.buffer.read(cx).snapshot(cx));
+                self.fold_ranges(
+                    folds
+                        .into_iter()
+                        .map(|(start, end)| {
                             snapshot.clip_offset(start, Bias::Left)
                                 ..snapshot.clip_offset(end, Bias::Right)
-                        }));
-                    });
-                    self.selection_history.mode = SelectionHistoryMode::Normal;
-                }
+                        })
+                        .collect(),
+                    false,
+                    window,
+                    cx,
+                );
+            }
+
+            if let Some(selections) = DB.get_editor_selections(item_id, workspace_id).log_err()
+                && !selections.is_empty()
+            {
+                let snapshot = buffer_snapshot.get_or_init(|| self.buffer.read(cx).snapshot(cx));
+                // skip adding the initial selection to selection history
+                self.selection_history.mode = SelectionHistoryMode::Skipping;
+                self.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
+                    s.select_ranges(selections.into_iter().map(|(start, end)| {
+                        snapshot.clip_offset(start, Bias::Left)
+                            ..snapshot.clip_offset(end, Bias::Right)
+                    }));
+                });
+                self.selection_history.mode = SelectionHistoryMode::Normal;
             };
         }
 
@@ -21084,17 +21233,15 @@ fn process_completion_for_edit(
         let mut snippet_source = completion.new_text.clone();
         let mut previous_point = text::ToPoint::to_point(cursor_position, buffer);
         previous_point.column = previous_point.column.saturating_sub(1);
-        if let Some(scope) = buffer_snapshot.language_scope_at(previous_point) {
-            if scope.prefers_label_for_snippet_in_completion() {
-                if let Some(label) = completion.label() {
-                    if matches!(
-                        completion.kind(),
-                        Some(CompletionItemKind::FUNCTION) | Some(CompletionItemKind::METHOD)
-                    ) {
-                        snippet_source = label;
-                    }
-                }
-            }
+        if let Some(scope) = buffer_snapshot.language_scope_at(previous_point)
+            && scope.prefers_label_for_snippet_in_completion()
+            && let Some(label) = completion.label()
+            && matches!(
+                completion.kind(),
+                Some(CompletionItemKind::FUNCTION) | Some(CompletionItemKind::METHOD)
+            )
+        {
+            snippet_source = label;
         }
         match Snippet::parse(&snippet_source).log_err() {
             Some(parsed_snippet) => (Some(parsed_snippet.clone()), parsed_snippet.text),
@@ -21118,24 +21265,17 @@ fn process_completion_for_edit(
             debug_assert!(
                 insert_range
                     .start
-                    .cmp(&cursor_position, &buffer_snapshot)
+                    .cmp(cursor_position, &buffer_snapshot)
                     .is_le(),
                 "insert_range should start before or at cursor position"
             );
             debug_assert!(
                 replace_range
                     .start
-                    .cmp(&cursor_position, &buffer_snapshot)
+                    .cmp(cursor_position, &buffer_snapshot)
                     .is_le(),
                 "replace_range should start before or at cursor position"
             );
-            debug_assert!(
-                insert_range
-                    .end
-                    .cmp(&cursor_position, &buffer_snapshot)
-                    .is_le(),
-                "insert_range should end before or at cursor position"
-            );
 
             let should_replace = match intent {
                 CompletionIntent::CompleteWithInsert => false,
@@ -21155,10 +21295,10 @@ fn process_completion_for_edit(
                             );
                             let mut current_needle = text_to_replace.next();
                             for haystack_ch in completion.label.text.chars() {
-                                if let Some(needle_ch) = current_needle {
-                                    if haystack_ch.eq_ignore_ascii_case(&needle_ch) {
-                                        current_needle = text_to_replace.next();
-                                    }
+                                if let Some(needle_ch) = current_needle
+                                    && haystack_ch.eq_ignore_ascii_case(&needle_ch)
+                                {
+                                    current_needle = text_to_replace.next();
                                 }
                             }
                             current_needle.is_none()
@@ -21166,7 +21306,7 @@ fn process_completion_for_edit(
                         LspInsertMode::ReplaceSuffix => {
                             if replace_range
                                 .end
-                                .cmp(&cursor_position, &buffer_snapshot)
+                                .cmp(cursor_position, &buffer_snapshot)
                                 .is_gt()
                             {
                                 let range_after_cursor = *cursor_position..replace_range.end;
@@ -21202,7 +21342,7 @@ fn process_completion_for_edit(
 
     if range_to_replace
         .end
-        .cmp(&cursor_position, &buffer_snapshot)
+        .cmp(cursor_position, &buffer_snapshot)
         .is_lt()
     {
         range_to_replace.end = *cursor_position;
@@ -21210,7 +21350,7 @@ fn process_completion_for_edit(
 
     CompletionEdit {
         new_text,
-        replace_range: range_to_replace.to_offset(&buffer),
+        replace_range: range_to_replace.to_offset(buffer),
         snippet,
     }
 }
@@ -21380,9 +21520,9 @@ fn is_grapheme_whitespace(text: &str) -> bool {
 }
 
 fn should_stay_with_preceding_ideograph(text: &str) -> bool {
-    text.chars().next().map_or(false, |ch| {
-        matches!(ch, '。' | '、' | '，' | '？' | '！' | '：' | '；' | '…')
-    })
+    text.chars()
+        .next()
+        .is_some_and(|ch| matches!(ch, '。' | '、' | '，' | '？' | '！' | '：' | '；' | '…'))
 }
 
 #[derive(PartialEq, Eq, Debug, Clone, Copy)]
@@ -21412,20 +21552,20 @@ impl<'a> Iterator for WordBreakingTokenizer<'a> {
             offset += first_grapheme.len();
             grapheme_len += 1;
             if is_grapheme_ideographic(first_grapheme) && !is_whitespace {
-                if let Some(grapheme) = iter.peek().copied() {
-                    if should_stay_with_preceding_ideograph(grapheme) {
-                        offset += grapheme.len();
-                        grapheme_len += 1;
-                    }
+                if let Some(grapheme) = iter.peek().copied()
+                    && should_stay_with_preceding_ideograph(grapheme)
+                {
+                    offset += grapheme.len();
+                    grapheme_len += 1;
                 }
             } else {
                 let mut words = self.input[offset..].split_word_bound_indices().peekable();
                 let mut next_word_bound = words.peek().copied();
-                if next_word_bound.map_or(false, |(i, _)| i == 0) {
+                if next_word_bound.is_some_and(|(i, _)| i == 0) {
                     next_word_bound = words.next();
                 }
                 while let Some(grapheme) = iter.peek().copied() {
-                    if next_word_bound.map_or(false, |(i, _)| i == offset) {
+                    if next_word_bound.is_some_and(|(i, _)| i == offset) {
                         break;
                     };
                     if is_grapheme_whitespace(grapheme) != is_whitespace
@@ -21546,7 +21686,7 @@ fn wrap_with_prefix(
     let subsequent_lines_prefix_len =
         char_len_with_expanded_tabs(0, &subsequent_lines_prefix, tab_size);
     let mut wrapped_text = String::new();
-    let mut current_line = first_line_prefix.clone();
+    let mut current_line = first_line_prefix;
     let mut is_first_line = true;
 
     let tokenizer = WordBreakingTokenizer::new(&unwrapped_text);
@@ -21718,7 +21858,7 @@ pub trait SemanticsProvider {
         buffer: &Entity<Buffer>,
         position: text::Anchor,
         cx: &mut App,
-    ) -> Option<Task<Vec<project::Hover>>>;
+    ) -> Option<Task<Option<Vec<project::Hover>>>>;
 
     fn inline_values(
         &self,
@@ -21757,7 +21897,7 @@ pub trait SemanticsProvider {
         position: text::Anchor,
         kind: GotoDefinitionKind,
         cx: &mut App,
-    ) -> Option<Task<Result<Vec<LocationLink>>>>;
+    ) -> Option<Task<Result<Option<Vec<LocationLink>>>>>;
 
     fn range_for_rename(
         &self,
@@ -21870,7 +22010,13 @@ impl CodeActionProvider for Entity<Project> {
                 Ok(code_lens_actions
                     .context("code lens fetch")?
                     .into_iter()
-                    .chain(code_actions.context("code action fetch")?)
+                    .flatten()
+                    .chain(
+                        code_actions
+                            .context("code action fetch")?
+                            .into_iter()
+                            .flatten(),
+                    )
                     .collect())
             })
         })
@@ -21959,7 +22105,7 @@ fn snippet_completions(
                     snippet
                         .prefix
                         .iter()
-                        .map(move |prefix| StringMatchCandidate::new(ix, &prefix))
+                        .map(move |prefix| StringMatchCandidate::new(ix, prefix))
                 })
                 .collect::<Vec<StringMatchCandidate>>();
 
@@ -22165,7 +22311,7 @@ impl SemanticsProvider for Entity<Project> {
         buffer: &Entity<Buffer>,
         position: text::Anchor,
         cx: &mut App,
-    ) -> Option<Task<Vec<project::Hover>>> {
+    ) -> Option<Task<Option<Vec<project::Hover>>>> {
         Some(self.update(cx, |project, cx| project.hover(buffer, position, cx)))
     }
 
@@ -22186,17 +22332,16 @@ impl SemanticsProvider for Entity<Project> {
         position: text::Anchor,
         kind: GotoDefinitionKind,
         cx: &mut App,
-    ) -> Option<Task<Result<Vec<LocationLink>>>> {
+    ) -> Option<Task<Result<Option<Vec<LocationLink>>>>> {
         Some(self.update(cx, |project, cx| match kind {
-            GotoDefinitionKind::Symbol => project.definitions(&buffer, position, cx),
-            GotoDefinitionKind::Declaration => project.declarations(&buffer, position, cx),
-            GotoDefinitionKind::Type => project.type_definitions(&buffer, position, cx),
-            GotoDefinitionKind::Implementation => project.implementations(&buffer, position, cx),
+            GotoDefinitionKind::Symbol => project.definitions(buffer, position, cx),
+            GotoDefinitionKind::Declaration => project.declarations(buffer, position, cx),
+            GotoDefinitionKind::Type => project.type_definitions(buffer, position, cx),
+            GotoDefinitionKind::Implementation => project.implementations(buffer, position, cx),
         }))
     }
 
     fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &mut App) -> bool {
-        // TODO: make this work for remote projects
         self.update(cx, |project, cx| {
             if project
                 .active_debug_session(cx)
@@ -22723,6 +22868,7 @@ pub enum EditorEvent {
     },
     Reloaded,
     CursorShapeChanged,
+    BreadcrumbsChanged,
     PushedToNavHistory {
         anchor: Anchor,
         is_deactivate: bool,
@@ -22742,7 +22888,7 @@ impl Render for Editor {
         let settings = ThemeSettings::get_global(cx);
 
         let mut text_style = match self.mode {
-            EditorMode::SingleLine { .. } | EditorMode::AutoHeight { .. } => TextStyle {
+            EditorMode::SingleLine | EditorMode::AutoHeight { .. } => TextStyle {
                 color: cx.theme().colors().editor_foreground,
                 font_family: settings.ui_font.family.clone(),
                 font_features: settings.ui_font.features.clone(),
@@ -22768,7 +22914,7 @@ impl Render for Editor {
         }
 
         let background = match self.mode {
-            EditorMode::SingleLine { .. } => cx.theme().system().transparent,
+            EditorMode::SingleLine => cx.theme().system().transparent,
             EditorMode::AutoHeight { .. } => cx.theme().system().transparent,
             EditorMode::Full { .. } => cx.theme().colors().editor_background,
             EditorMode::Minimap { .. } => cx.theme().colors().editor_background.opacity(0.7),
@@ -22785,7 +22931,7 @@ impl Render for Editor {
                 syntax: cx.theme().syntax().clone(),
                 status: cx.theme().status().clone(),
                 inlay_hints_style: make_inlay_hints_style(cx),
-                inline_completion_styles: make_suggestion_styles(cx),
+                edit_prediction_styles: make_suggestion_styles(cx),
                 unnecessary_code_fade: ThemeSettings::get_global(cx).unnecessary_code_fade,
                 show_underlines: self.diagnostics_enabled(),
             },
@@ -23180,7 +23326,7 @@ impl InvalidationRegion for SnippetState {
     }
 }
 
-fn inline_completion_edit_text(
+fn edit_prediction_edit_text(
     current_snapshot: &BufferSnapshot,
     edits: &[(Range<Anchor>, String)],
     edit_preview: &EditPreview,
@@ -23200,6 +23346,33 @@ fn inline_completion_edit_text(
     edit_preview.highlight_edits(current_snapshot, &edits, include_deletions, cx)
 }
 
+fn edit_prediction_fallback_text(edits: &[(Range<Anchor>, String)], cx: &App) -> HighlightedText {
+    // Fallback for providers that don't provide edit_preview (like Copilot/Supermaven)
+    // Just show the raw edit text with basic styling
+    let mut text = String::new();
+    let mut highlights = Vec::new();
+
+    let insertion_highlight_style = HighlightStyle {
+        color: Some(cx.theme().colors().text),
+        ..Default::default()
+    };
+
+    for (_, edit_text) in edits {
+        let start_offset = text.len();
+        text.push_str(edit_text);
+        let end_offset = text.len();
+
+        if start_offset < end_offset {
+            highlights.push((start_offset..end_offset, insertion_highlight_style));
+        }
+    }
+
+    HighlightedText {
+        text: text.into(),
+        highlights,
+    }
+}
+
 pub fn diagnostic_style(severity: lsp::DiagnosticSeverity, colors: &StatusColors) -> Hsla {
     match severity {
         lsp::DiagnosticSeverity::ERROR => colors.error,
@@ -23573,7 +23746,7 @@ fn all_edits_insertions_or_deletions(
     let mut all_deletions = true;
 
     for (range, new_text) in edits.iter() {
-        let range_is_empty = range.to_offset(&snapshot).is_empty();
+        let range_is_empty = range.to_offset(snapshot).is_empty();
         let text_is_empty = new_text.is_empty();
 
         if range_is_empty != text_is_empty {
diff --git a/crates/editor/src/editor_settings.rs b/crates/editor/src/editor_settings.rs
index 14f46c0e60..1d7e04cae0 100644
--- a/crates/editor/src/editor_settings.rs
+++ b/crates/editor/src/editor_settings.rs
@@ -20,6 +20,7 @@ pub struct EditorSettings {
     pub lsp_highlight_debounce: u64,
     pub hover_popover_enabled: bool,
     pub hover_popover_delay: u64,
+    pub status_bar: StatusBar,
     pub toolbar: Toolbar,
     pub scrollbar: Scrollbar,
     pub minimap: Minimap,
@@ -125,6 +126,18 @@ pub struct JupyterContent {
     pub enabled: Option<bool>,
 }
 
+#[derive(Copy, Clone, Default, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
+pub struct StatusBar {
+    /// Whether to display the active language button in the status bar.
+    ///
+    /// Default: true
+    pub active_language_button: bool,
+    /// Whether to show the cursor position button in the status bar.
+    ///
+    /// Default: true
+    pub cursor_position_button: bool,
+}
+
 #[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
 pub struct Toolbar {
     pub breadcrumbs: bool,
@@ -440,6 +453,8 @@ pub struct EditorSettingsContent {
     ///
     /// Default: 300
     pub hover_popover_delay: Option<u64>,
+    /// Status bar related settings
+    pub status_bar: Option<StatusBarContent>,
     /// Toolbar related settings
     pub toolbar: Option<ToolbarContent>,
     /// Scrollbar related settings
@@ -567,6 +582,19 @@ pub struct EditorSettingsContent {
     pub lsp_document_colors: Option<DocumentColorsRenderMode>,
 }
 
+// Status bar related settings
+#[derive(Clone, Default, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
+pub struct StatusBarContent {
+    /// Whether to display the active language button in the status bar.
+    ///
+    /// Default: true
+    pub active_language_button: Option<bool>,
+    /// Whether to show the cursor position button in the status bar.
+    ///
+    /// Default: true
+    pub cursor_position_button: Option<bool>,
+}
+
 // Toolbar related settings
 #[derive(Clone, Default, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
 pub struct ToolbarContent {
@@ -782,10 +810,8 @@ impl Settings for EditorSettings {
             if gutter.line_numbers.is_some() {
                 old_gutter.line_numbers = gutter.line_numbers
             }
-        } else {
-            if gutter != GutterContent::default() {
-                current.gutter = Some(gutter)
-            }
+        } else if gutter != GutterContent::default() {
+            current.gutter = Some(gutter)
         }
         if let Some(b) = vscode.read_bool("editor.scrollBeyondLastLine") {
             current.scroll_beyond_last_line = Some(if b {
diff --git a/crates/editor/src/editor_settings_controls.rs b/crates/editor/src/editor_settings_controls.rs
index dc5557b052..91022d94a8 100644
--- a/crates/editor/src/editor_settings_controls.rs
+++ b/crates/editor/src/editor_settings_controls.rs
@@ -88,7 +88,7 @@ impl RenderOnce for BufferFontFamilyControl {
             .child(Icon::new(IconName::Font))
             .child(DropdownMenu::new(
                 "buffer-font-family",
-                value.clone(),
+                value,
                 ContextMenu::build(window, cx, |mut menu, _, cx| {
                     let font_family_cache = FontFamilyCache::global(cx);
 
diff --git a/crates/editor/src/editor_tests.rs b/crates/editor/src/editor_tests.rs
index 503fe2abc3..2cfdb92593 100644
--- a/crates/editor/src/editor_tests.rs
+++ b/crates/editor/src/editor_tests.rs
@@ -2,7 +2,7 @@ use super::*;
 use crate::{
     JoinLines,
     code_context_menus::CodeContextMenu,
-    inline_completion_tests::FakeInlineCompletionProvider,
+    edit_prediction_tests::FakeEditPredictionProvider,
     linked_editing_ranges::LinkedEditingRanges,
     scroll::scroll_amount::ScrollAmount,
     test::{
@@ -57,7 +57,9 @@ use util::{
 use workspace::{
     CloseActiveItem, CloseAllItems, CloseOtherItems, MoveItemToPaneInDirection, NavigationEntry,
     OpenOptions, ViewId,
+    invalid_buffer_view::InvalidBufferView,
     item::{FollowEvent, FollowableItem, Item, ItemHandle, SaveOptions},
+    register_project_item,
 };
 
 #[gpui::test]
@@ -74,7 +76,7 @@ fn test_edit_events(cx: &mut TestAppContext) {
     let editor1 = cx.add_window({
         let events = events.clone();
         |window, cx| {
-            let entity = cx.entity().clone();
+            let entity = cx.entity();
             cx.subscribe_in(
                 &entity,
                 window,
@@ -95,7 +97,7 @@ fn test_edit_events(cx: &mut TestAppContext) {
         let events = events.clone();
         |window, cx| {
             cx.subscribe_in(
-                &cx.entity().clone(),
+                &cx.entity(),
                 window,
                 move |_, _, event: &EditorEvent, _, _| match event {
                     EditorEvent::Edited { .. } => events.borrow_mut().push(("editor2", "edited")),
@@ -708,7 +710,7 @@ async fn test_navigation_history(cx: &mut TestAppContext) {
     _ = workspace.update(cx, |_v, window, cx| {
         cx.new(|cx| {
             let buffer = MultiBuffer::build_simple(&sample_text(300, 5, 'a'), cx);
-            let mut editor = build_editor(buffer.clone(), window, cx);
+            let mut editor = build_editor(buffer, window, cx);
             let handle = cx.entity();
             editor.set_nav_history(Some(pane.read(cx).nav_history_for_item(&handle)));
 
@@ -898,7 +900,7 @@ fn test_fold_action(cx: &mut TestAppContext) {
             .unindent(),
             cx,
         );
-        build_editor(buffer.clone(), window, cx)
+        build_editor(buffer, window, cx)
     });
 
     _ = editor.update(cx, |editor, window, cx| {
@@ -989,7 +991,7 @@ fn test_fold_action_whitespace_sensitive_language(cx: &mut TestAppContext) {
             .unindent(),
             cx,
         );
-        build_editor(buffer.clone(), window, cx)
+        build_editor(buffer, window, cx)
     });
 
     _ = editor.update(cx, |editor, window, cx| {
@@ -1074,7 +1076,7 @@ fn test_fold_action_multiple_line_breaks(cx: &mut TestAppContext) {
             .unindent(),
             cx,
         );
-        build_editor(buffer.clone(), window, cx)
+        build_editor(buffer, window, cx)
     });
 
     _ = editor.update(cx, |editor, window, cx| {
@@ -1173,7 +1175,7 @@ fn test_fold_at_level(cx: &mut TestAppContext) {
             .unindent(),
             cx,
         );
-        build_editor(buffer.clone(), window, cx)
+        build_editor(buffer, window, cx)
     });
 
     _ = editor.update(cx, |editor, window, cx| {
@@ -1335,7 +1337,7 @@ fn test_move_cursor_multibyte(cx: &mut TestAppContext) {
 
     let editor = cx.add_window(|window, cx| {
         let buffer = MultiBuffer::build_simple("🟥🟧🟨🟩🟦🟪\nabcde\nαβγδε", cx);
-        build_editor(buffer.clone(), window, cx)
+        build_editor(buffer, window, cx)
     });
 
     assert_eq!('🟥'.len_utf8(), 4);
@@ -1452,7 +1454,7 @@ fn test_move_cursor_different_line_lengths(cx: &mut TestAppContext) {
 
     let editor = cx.add_window(|window, cx| {
         let buffer = MultiBuffer::build_simple("ⓐⓑⓒⓓⓔ\nabcd\nαβγ\nabcd\nⓐⓑⓒⓓⓔ\n", cx);
-        build_editor(buffer.clone(), window, cx)
+        build_editor(buffer, window, cx)
     });
     _ = editor.update(cx, |editor, window, cx| {
         editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
@@ -1901,6 +1903,51 @@ fn test_beginning_of_line_stop_at_indent(cx: &mut TestAppContext) {
     });
 }
 
+#[gpui::test]
+fn test_beginning_of_line_with_cursor_between_line_start_and_indent(cx: &mut TestAppContext) {
+    init_test(cx, |_| {});
+
+    let move_to_beg = MoveToBeginningOfLine {
+        stop_at_soft_wraps: true,
+        stop_at_indent: true,
+    };
+
+    let editor = cx.add_window(|window, cx| {
+        let buffer = MultiBuffer::build_simple("    hello\nworld", cx);
+        build_editor(buffer, window, cx)
+    });
+
+    _ = editor.update(cx, |editor, window, cx| {
+        // test cursor between line_start and indent_start
+        editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
+            s.select_display_ranges([
+                DisplayPoint::new(DisplayRow(0), 3)..DisplayPoint::new(DisplayRow(0), 3)
+            ]);
+        });
+
+        // cursor should move to line_start
+        editor.move_to_beginning_of_line(&move_to_beg, window, cx);
+        assert_eq!(
+            editor.selections.display_ranges(cx),
+            &[DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(0), 0)]
+        );
+
+        // cursor should move to indent_start
+        editor.move_to_beginning_of_line(&move_to_beg, window, cx);
+        assert_eq!(
+            editor.selections.display_ranges(cx),
+            &[DisplayPoint::new(DisplayRow(0), 4)..DisplayPoint::new(DisplayRow(0), 4)]
+        );
+
+        // cursor should move to back to line_start
+        editor.move_to_beginning_of_line(&move_to_beg, window, cx);
+        assert_eq!(
+            editor.selections.display_ranges(cx),
+            &[DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(0), 0)]
+        );
+    });
+}
+
 #[gpui::test]
 fn test_prev_next_word_boundary(cx: &mut TestAppContext) {
     init_test(cx, |_| {});
@@ -2434,7 +2481,7 @@ fn test_delete_to_word_boundary(cx: &mut TestAppContext) {
 
     let editor = cx.add_window(|window, cx| {
         let buffer = MultiBuffer::build_simple("one two three four", cx);
-        build_editor(buffer.clone(), window, cx)
+        build_editor(buffer, window, cx)
     });
 
     _ = editor.update(cx, |editor, window, cx| {
@@ -2482,7 +2529,7 @@ fn test_delete_to_previous_word_start_or_newline(cx: &mut TestAppContext) {
 
     let editor = cx.add_window(|window, cx| {
         let buffer = MultiBuffer::build_simple("one\n2\nthree\n4", cx);
-        build_editor(buffer.clone(), window, cx)
+        build_editor(buffer, window, cx)
     });
     let del_to_prev_word_start = DeleteToPreviousWordStart {
         ignore_newlines: false,
@@ -2518,7 +2565,7 @@ fn test_delete_to_next_word_end_or_newline(cx: &mut TestAppContext) {
 
     let editor = cx.add_window(|window, cx| {
         let buffer = MultiBuffer::build_simple("\none\n   two\nthree\n   four", cx);
-        build_editor(buffer.clone(), window, cx)
+        build_editor(buffer, window, cx)
     });
     let del_to_next_word_end = DeleteToNextWordEnd {
         ignore_newlines: false,
@@ -2563,7 +2610,7 @@ fn test_newline(cx: &mut TestAppContext) {
 
     let editor = cx.add_window(|window, cx| {
         let buffer = MultiBuffer::build_simple("aaaa\n    bbbb\n", cx);
-        build_editor(buffer.clone(), window, cx)
+        build_editor(buffer, window, cx)
     });
 
     _ = editor.update(cx, |editor, window, cx| {
@@ -2599,7 +2646,7 @@ fn test_newline_with_old_selections(cx: &mut TestAppContext) {
             .as_str(),
             cx,
         );
-        let mut editor = build_editor(buffer.clone(), window, cx);
+        let mut editor = build_editor(buffer, window, cx);
         editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
             s.select_ranges([
                 Point::new(2, 4)..Point::new(2, 5),
@@ -3130,7 +3177,7 @@ fn test_insert_with_old_selections(cx: &mut TestAppContext) {
 
     let editor = cx.add_window(|window, cx| {
         let buffer = MultiBuffer::build_simple("a( X ), b( Y ), c( Z )", cx);
-        let mut editor = build_editor(buffer.clone(), window, cx);
+        let mut editor = build_editor(buffer, window, cx);
         editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
             s.select_ranges([3..4, 11..12, 19..20])
         });
@@ -5517,7 +5564,7 @@ async fn test_rewrap(cx: &mut TestAppContext) {
             # ˇThis is a long comment using a pound
             # sign.
         "},
-        python_language.clone(),
+        python_language,
         &mut cx,
     );
 
@@ -5624,7 +5671,7 @@ async fn test_rewrap(cx: &mut TestAppContext) {
               also very long and should not merge
               with the numbered item.ˇ»
         "},
-        markdown_language.clone(),
+        markdown_language,
         &mut cx,
     );
 
@@ -5655,7 +5702,7 @@ async fn test_rewrap(cx: &mut TestAppContext) {
                // This is the second long comment block
                // to be wrapped.ˇ»
            "},
-        rust_language.clone(),
+        rust_language,
         &mut cx,
     );
 
@@ -5678,7 +5725,7 @@ async fn test_rewrap(cx: &mut TestAppContext) {
             «\tThis is a very long indented line
             \tthat will be wrapped.ˇ»
          "},
-        plaintext_language.clone(),
+        plaintext_language,
         &mut cx,
     );
 
@@ -6356,7 +6403,7 @@ async fn test_split_selection_into_lines(cx: &mut TestAppContext) {
     fn test(cx: &mut EditorTestContext, initial_state: &'static str, expected_state: &'static str) {
         cx.set_state(initial_state);
         cx.update_editor(|e, window, cx| {
-            e.split_selection_into_lines(&SplitSelectionIntoLines, window, cx)
+            e.split_selection_into_lines(&Default::default(), window, cx)
         });
         cx.assert_editor_state(expected_state);
     }
@@ -6444,7 +6491,7 @@ async fn test_split_selection_into_lines_interacting_with_creases(cx: &mut TestA
                 DisplayPoint::new(DisplayRow(4), 4)..DisplayPoint::new(DisplayRow(4), 4),
             ])
         });
-        editor.split_selection_into_lines(&SplitSelectionIntoLines, window, cx);
+        editor.split_selection_into_lines(&Default::default(), window, cx);
         assert_eq!(
             editor.display_text(cx),
             "aaaaa\nbbbbb\nccc⋯eeee\nfffff\nggggg\n⋯i"
@@ -6460,7 +6507,7 @@ async fn test_split_selection_into_lines_interacting_with_creases(cx: &mut TestA
                 DisplayPoint::new(DisplayRow(5), 0)..DisplayPoint::new(DisplayRow(0), 1)
             ])
         });
-        editor.split_selection_into_lines(&SplitSelectionIntoLines, window, cx);
+        editor.split_selection_into_lines(&Default::default(), window, cx);
         assert_eq!(
             editor.display_text(cx),
             "aaaaa\nbbbbb\nccccc\nddddd\neeeee\nfffff\nggggg\nhhhhh\niiiii"
@@ -7251,12 +7298,12 @@ async fn test_undo_format_scrolls_to_last_edit_pos(cx: &mut TestAppContext) {
 }
 
 #[gpui::test]
-async fn test_undo_inline_completion_scrolls_to_edit_pos(cx: &mut TestAppContext) {
+async fn test_undo_edit_prediction_scrolls_to_edit_pos(cx: &mut TestAppContext) {
     init_test(cx, |_| {});
 
     let mut cx = EditorTestContext::new(cx).await;
 
-    let provider = cx.new(|_| FakeInlineCompletionProvider::default());
+    let provider = cx.new(|_| FakeEditPredictionProvider::default());
     cx.update_editor(|editor, window, cx| {
         editor.set_edit_prediction_provider(Some(provider.clone()), window, cx);
     });
@@ -7279,7 +7326,7 @@ async fn test_undo_inline_completion_scrolls_to_edit_pos(cx: &mut TestAppContext
 
     cx.update(|_, cx| {
         provider.update(cx, |provider, _| {
-            provider.set_inline_completion(Some(inline_completion::InlineCompletion {
+            provider.set_edit_prediction(Some(edit_prediction::EditPrediction {
                 id: None,
                 edits: vec![(edit_position..edit_position, "X".into())],
                 edit_preview: None,
@@ -7287,7 +7334,7 @@ async fn test_undo_inline_completion_scrolls_to_edit_pos(cx: &mut TestAppContext
         })
     });
 
-    cx.update_editor(|editor, window, cx| editor.update_visible_inline_completion(window, cx));
+    cx.update_editor(|editor, window, cx| editor.update_visible_edit_prediction(window, cx));
     cx.update_editor(|editor, window, cx| {
         editor.accept_edit_prediction(&crate::AcceptEditPrediction, window, cx)
     });
@@ -7969,6 +8016,29 @@ async fn test_select_larger_smaller_syntax_node_for_string(cx: &mut TestAppConte
     });
 }
 
+#[gpui::test]
+async fn test_unwrap_syntax_nodes(cx: &mut gpui::TestAppContext) {
+    init_test(cx, |_| {});
+
+    let mut cx = EditorTestContext::new(cx).await;
+
+    let language = Arc::new(Language::new(
+        LanguageConfig::default(),
+        Some(tree_sitter_rust::LANGUAGE.into()),
+    ));
+
+    cx.update_buffer(|buffer, cx| {
+        buffer.set_language(Some(language), cx);
+    });
+
+    cx.set_state(indoc! { r#"use mod1::{mod2::{«mod3ˇ», mod4}, mod5::{mod6, «mod7ˇ»}};"# });
+    cx.update_editor(|editor, window, cx| {
+        editor.unwrap_syntax_node(&UnwrapSyntaxNode, window, cx);
+    });
+
+    cx.assert_editor_state(indoc! { r#"use mod1::{mod2::«mod3ˇ», mod5::«mod7ˇ»};"# });
+}
+
 #[gpui::test]
 async fn test_fold_function_bodies(cx: &mut TestAppContext) {
     init_test(cx, |_| {});
@@ -8137,6 +8207,216 @@ async fn test_autoindent(cx: &mut TestAppContext) {
     });
 }
 
+#[gpui::test]
+async fn test_autoindent_disabled(cx: &mut TestAppContext) {
+    init_test(cx, |settings| settings.defaults.auto_indent = Some(false));
+
+    let language = Arc::new(
+        Language::new(
+            LanguageConfig {
+                brackets: BracketPairConfig {
+                    pairs: vec![
+                        BracketPair {
+                            start: "{".to_string(),
+                            end: "}".to_string(),
+                            close: false,
+                            surround: false,
+                            newline: true,
+                        },
+                        BracketPair {
+                            start: "(".to_string(),
+                            end: ")".to_string(),
+                            close: false,
+                            surround: false,
+                            newline: true,
+                        },
+                    ],
+                    ..Default::default()
+                },
+                ..Default::default()
+            },
+            Some(tree_sitter_rust::LANGUAGE.into()),
+        )
+        .with_indents_query(
+            r#"
+                (_ "(" ")" @end) @indent
+                (_ "{" "}" @end) @indent
+            "#,
+        )
+        .unwrap(),
+    );
+
+    let text = "fn a() {}";
+
+    let buffer = cx.new(|cx| Buffer::local(text, cx).with_language(language, cx));
+    let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
+    let (editor, cx) = cx.add_window_view(|window, cx| build_editor(buffer, window, cx));
+    editor
+        .condition::<crate::EditorEvent>(cx, |editor, cx| !editor.buffer.read(cx).is_parsing(cx))
+        .await;
+
+    editor.update_in(cx, |editor, window, cx| {
+        editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
+            s.select_ranges([5..5, 8..8, 9..9])
+        });
+        editor.newline(&Newline, window, cx);
+        assert_eq!(
+            editor.text(cx),
+            indoc!(
+                "
+                fn a(
+
+                ) {
+
+                }
+                "
+            )
+        );
+        assert_eq!(
+            editor.selections.ranges(cx),
+            &[
+                Point::new(1, 0)..Point::new(1, 0),
+                Point::new(3, 0)..Point::new(3, 0),
+                Point::new(5, 0)..Point::new(5, 0)
+            ]
+        );
+    });
+}
+
+#[gpui::test]
+async fn test_autoindent_disabled_with_nested_language(cx: &mut TestAppContext) {
+    init_test(cx, |settings| {
+        settings.defaults.auto_indent = Some(true);
+        settings.languages.0.insert(
+            "python".into(),
+            LanguageSettingsContent {
+                auto_indent: Some(false),
+                ..Default::default()
+            },
+        );
+    });
+
+    let mut cx = EditorTestContext::new(cx).await;
+
+    let injected_language = Arc::new(
+        Language::new(
+            LanguageConfig {
+                brackets: BracketPairConfig {
+                    pairs: vec![
+                        BracketPair {
+                            start: "{".to_string(),
+                            end: "}".to_string(),
+                            close: false,
+                            surround: false,
+                            newline: true,
+                        },
+                        BracketPair {
+                            start: "(".to_string(),
+                            end: ")".to_string(),
+                            close: true,
+                            surround: false,
+                            newline: true,
+                        },
+                    ],
+                    ..Default::default()
+                },
+                name: "python".into(),
+                ..Default::default()
+            },
+            Some(tree_sitter_python::LANGUAGE.into()),
+        )
+        .with_indents_query(
+            r#"
+                (_ "(" ")" @end) @indent
+                (_ "{" "}" @end) @indent
+            "#,
+        )
+        .unwrap(),
+    );
+
+    let language = Arc::new(
+        Language::new(
+            LanguageConfig {
+                brackets: BracketPairConfig {
+                    pairs: vec![
+                        BracketPair {
+                            start: "{".to_string(),
+                            end: "}".to_string(),
+                            close: false,
+                            surround: false,
+                            newline: true,
+                        },
+                        BracketPair {
+                            start: "(".to_string(),
+                            end: ")".to_string(),
+                            close: true,
+                            surround: false,
+                            newline: true,
+                        },
+                    ],
+                    ..Default::default()
+                },
+                name: LanguageName::new("rust"),
+                ..Default::default()
+            },
+            Some(tree_sitter_rust::LANGUAGE.into()),
+        )
+        .with_indents_query(
+            r#"
+                (_ "(" ")" @end) @indent
+                (_ "{" "}" @end) @indent
+            "#,
+        )
+        .unwrap()
+        .with_injection_query(
+            r#"
+            (macro_invocation
+                macro: (identifier) @_macro_name
+                (token_tree) @injection.content
+                (#set! injection.language "python"))
+           "#,
+        )
+        .unwrap(),
+    );
+
+    cx.language_registry().add(injected_language);
+    cx.language_registry().add(language.clone());
+
+    cx.update_buffer(|buffer, cx| {
+        buffer.set_language(Some(language), cx);
+    });
+
+    cx.set_state(r#"struct A {ˇ}"#);
+
+    cx.update_editor(|editor, window, cx| {
+        editor.newline(&Default::default(), window, cx);
+    });
+
+    cx.assert_editor_state(indoc!(
+        "struct A {
+            ˇ
+        }"
+    ));
+
+    cx.set_state(r#"select_biased!(ˇ)"#);
+
+    cx.update_editor(|editor, window, cx| {
+        editor.newline(&Default::default(), window, cx);
+        editor.handle_input("def ", window, cx);
+        editor.handle_input("(", window, cx);
+        editor.newline(&Default::default(), window, cx);
+        editor.handle_input("a", window, cx);
+    });
+
+    cx.assert_editor_state(indoc!(
+        "select_biased!(
+        def (
+        aˇ
+        )
+        )"
+    ));
+}
+
 #[gpui::test]
 async fn test_autoindent_selections(cx: &mut TestAppContext) {
     init_test(cx, |_| {});
@@ -8611,7 +8891,8 @@ async fn test_autoclose_with_embedded_language(cx: &mut TestAppContext) {
     ));
 
     cx.language_registry().add(html_language.clone());
-    cx.language_registry().add(javascript_language.clone());
+    cx.language_registry().add(javascript_language);
+    cx.executor().run_until_parked();
 
     cx.update_buffer(|buffer, cx| {
         buffer.set_language(Some(html_language), cx);
@@ -9354,7 +9635,7 @@ async fn test_snippets(cx: &mut TestAppContext) {
             .selections
             .all(cx)
             .iter()
-            .map(|s| s.range().clone())
+            .map(|s| s.range())
             .collect::<Vec<_>>();
         editor
             .insert_snippet(&insertion_ranges, snippet, window, cx)
@@ -9434,7 +9715,7 @@ async fn test_snippet_indentation(cx: &mut TestAppContext) {
             .selections
             .all(cx)
             .iter()
-            .map(|s| s.range().clone())
+            .map(|s| s.range())
             .collect::<Vec<_>>();
         editor
             .insert_snippet(&insertion_ranges, snippet, window, cx)
@@ -10503,7 +10784,7 @@ async fn test_multiple_formatters(cx: &mut TestAppContext) {
                     kind: Some("code-action-2".into()),
                     edit: Some(lsp::WorkspaceEdit::new(
                         [(
-                            uri.clone(),
+                            uri,
                             vec![lsp::TextEdit::new(
                                 lsp::Range::new(lsp::Position::new(0, 0), lsp::Position::new(0, 0)),
                                 "applied-code-action-2-edit\n".to_string(),
@@ -11958,6 +12239,7 @@ async fn test_completion_mode(cx: &mut TestAppContext) {
                 settings.defaults.completions = Some(CompletionSettings {
                     lsp_insert_mode,
                     words: WordsCompletionMode::Disabled,
+                    words_min_length: 0,
                     lsp: true,
                     lsp_fetch_timeout_ms: 0,
                 });
@@ -12016,6 +12298,7 @@ async fn test_completion_with_mode_specified_by_action(cx: &mut TestAppContext)
     update_test_language_settings(&mut cx, |settings| {
         settings.defaults.completions = Some(CompletionSettings {
             words: WordsCompletionMode::Disabled,
+            words_min_length: 0,
             // set the opposite here to ensure that the action is overriding the default behavior
             lsp_insert_mode: LspInsertMode::Insert,
             lsp: true,
@@ -12031,7 +12314,7 @@ async fn test_completion_with_mode_specified_by_action(cx: &mut TestAppContext)
     let counter = Arc::new(AtomicUsize::new(0));
     handle_completion_request_with_insert_and_replace(
         &mut cx,
-        &buffer_marked_text,
+        buffer_marked_text,
         vec![(completion_text, completion_text)],
         counter.clone(),
     )
@@ -12045,13 +12328,14 @@ async fn test_completion_with_mode_specified_by_action(cx: &mut TestAppContext)
             .confirm_completion_replace(&ConfirmCompletionReplace, window, cx)
             .unwrap()
     });
-    cx.assert_editor_state(&expected_with_replace_mode);
+    cx.assert_editor_state(expected_with_replace_mode);
     handle_resolve_completion_request(&mut cx, None).await;
     apply_additional_edits.await.unwrap();
 
     update_test_language_settings(&mut cx, |settings| {
         settings.defaults.completions = Some(CompletionSettings {
             words: WordsCompletionMode::Disabled,
+            words_min_length: 0,
             // set the opposite here to ensure that the action is overriding the default behavior
             lsp_insert_mode: LspInsertMode::Replace,
             lsp: true,
@@ -12065,7 +12349,7 @@ async fn test_completion_with_mode_specified_by_action(cx: &mut TestAppContext)
     });
     handle_completion_request_with_insert_and_replace(
         &mut cx,
-        &buffer_marked_text,
+        buffer_marked_text,
         vec![(completion_text, completion_text)],
         counter.clone(),
     )
@@ -12079,7 +12363,7 @@ async fn test_completion_with_mode_specified_by_action(cx: &mut TestAppContext)
             .confirm_completion_insert(&ConfirmCompletionInsert, window, cx)
             .unwrap()
     });
-    cx.assert_editor_state(&expected_with_insert_mode);
+    cx.assert_editor_state(expected_with_insert_mode);
     handle_resolve_completion_request(&mut cx, None).await;
     apply_additional_edits.await.unwrap();
 }
@@ -12793,6 +13077,7 @@ async fn test_word_completion(cx: &mut TestAppContext) {
     init_test(cx, |language_settings| {
         language_settings.defaults.completions = Some(CompletionSettings {
             words: WordsCompletionMode::Fallback,
+            words_min_length: 0,
             lsp: true,
             lsp_fetch_timeout_ms: 10,
             lsp_insert_mode: LspInsertMode::Insert,
@@ -12853,7 +13138,7 @@ async fn test_word_completion(cx: &mut TestAppContext) {
         if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
         {
             assert_eq!(
-                completion_menu_entries(&menu),
+                completion_menu_entries(menu),
                 &["first", "last"],
                 "When LSP server is fast to reply, no fallback word completions are used"
             );
@@ -12876,7 +13161,7 @@ async fn test_word_completion(cx: &mut TestAppContext) {
     cx.update_editor(|editor, _, _| {
         if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
         {
-            assert_eq!(completion_menu_entries(&menu), &["one", "three", "two"],
+            assert_eq!(completion_menu_entries(menu), &["one", "three", "two"],
                 "When LSP server is slow, document words can be shown instead, if configured accordingly");
         } else {
             panic!("expected completion menu to be open");
@@ -12889,6 +13174,7 @@ async fn test_word_completions_do_not_duplicate_lsp_ones(cx: &mut TestAppContext
     init_test(cx, |language_settings| {
         language_settings.defaults.completions = Some(CompletionSettings {
             words: WordsCompletionMode::Enabled,
+            words_min_length: 0,
             lsp: true,
             lsp_fetch_timeout_ms: 0,
             lsp_insert_mode: LspInsertMode::Insert,
@@ -12937,7 +13223,7 @@ async fn test_word_completions_do_not_duplicate_lsp_ones(cx: &mut TestAppContext
         if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
         {
             assert_eq!(
-                completion_menu_entries(&menu),
+                completion_menu_entries(menu),
                 &["first", "last", "second"],
                 "Word completions that has the same edit as the any of the LSP ones, should not be proposed"
             );
@@ -12952,6 +13238,7 @@ async fn test_word_completions_continue_on_typing(cx: &mut TestAppContext) {
     init_test(cx, |language_settings| {
         language_settings.defaults.completions = Some(CompletionSettings {
             words: WordsCompletionMode::Disabled,
+            words_min_length: 0,
             lsp: true,
             lsp_fetch_timeout_ms: 0,
             lsp_insert_mode: LspInsertMode::Insert,
@@ -12993,7 +13280,7 @@ async fn test_word_completions_continue_on_typing(cx: &mut TestAppContext) {
         if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
         {
             assert_eq!(
-                completion_menu_entries(&menu),
+                completion_menu_entries(menu),
                 &["first", "last", "second"],
                 "`ShowWordCompletions` action should show word completions"
             );
@@ -13010,7 +13297,7 @@ async fn test_word_completions_continue_on_typing(cx: &mut TestAppContext) {
         if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
         {
             assert_eq!(
-                completion_menu_entries(&menu),
+                completion_menu_entries(menu),
                 &["last"],
                 "After showing word completions, further editing should filter them and not query the LSP"
             );
@@ -13025,6 +13312,7 @@ async fn test_word_completions_usually_skip_digits(cx: &mut TestAppContext) {
     init_test(cx, |language_settings| {
         language_settings.defaults.completions = Some(CompletionSettings {
             words: WordsCompletionMode::Fallback,
+            words_min_length: 0,
             lsp: false,
             lsp_fetch_timeout_ms: 0,
             lsp_insert_mode: LspInsertMode::Insert,
@@ -13049,7 +13337,7 @@ async fn test_word_completions_usually_skip_digits(cx: &mut TestAppContext) {
         if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
         {
             assert_eq!(
-                completion_menu_entries(&menu),
+                completion_menu_entries(menu),
                 &["let"],
                 "With no digits in the completion query, no digits should be in the word completions"
             );
@@ -13074,7 +13362,7 @@ async fn test_word_completions_usually_skip_digits(cx: &mut TestAppContext) {
     cx.update_editor(|editor, _, _| {
         if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
         {
-            assert_eq!(completion_menu_entries(&menu), &["33", "35f32"], "The digit is in the completion query, \
+            assert_eq!(completion_menu_entries(menu), &["33", "35f32"], "The digit is in the completion query, \
                 return matching words with digits (`33`, `35f32`) but exclude query duplicates (`3`)");
         } else {
             panic!("expected completion menu to be open");
@@ -13082,6 +13370,56 @@ async fn test_word_completions_usually_skip_digits(cx: &mut TestAppContext) {
     });
 }
 
+#[gpui::test]
+async fn test_word_completions_do_not_show_before_threshold(cx: &mut TestAppContext) {
+    init_test(cx, |language_settings| {
+        language_settings.defaults.completions = Some(CompletionSettings {
+            words: WordsCompletionMode::Enabled,
+            words_min_length: 3,
+            lsp: true,
+            lsp_fetch_timeout_ms: 0,
+            lsp_insert_mode: LspInsertMode::Insert,
+        });
+    });
+
+    let mut cx = EditorLspTestContext::new_rust(lsp::ServerCapabilities::default(), cx).await;
+    cx.set_state(indoc! {"ˇ
+        wow
+        wowen
+        wowser
+    "});
+    cx.simulate_keystroke("w");
+    cx.executor().run_until_parked();
+    cx.update_editor(|editor, _, _| {
+        if editor.context_menu.borrow_mut().is_some() {
+            panic!(
+                "expected completion menu to be hidden, as words completion threshold is not met"
+            );
+        }
+    });
+
+    cx.simulate_keystroke("o");
+    cx.executor().run_until_parked();
+    cx.update_editor(|editor, _, _| {
+        if editor.context_menu.borrow_mut().is_some() {
+            panic!(
+                "expected completion menu to be hidden, as words completion threshold is not met still"
+            );
+        }
+    });
+
+    cx.simulate_keystroke("w");
+    cx.executor().run_until_parked();
+    cx.update_editor(|editor, _, _| {
+        if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
+        {
+            assert_eq!(completion_menu_entries(menu), &["wowen", "wowser"], "After word completion threshold is met, matching words should be shown, excluding the already typed word");
+        } else {
+            panic!("expected completion menu to be open after the word completions threshold is met");
+        }
+    });
+}
+
 fn gen_text_edit(params: &CompletionParams, text: &str) -> Option<lsp::CompletionTextEdit> {
     let position = || lsp::Position {
         line: params.text_document_position.position.line,
@@ -13311,7 +13649,7 @@ async fn test_completion_page_up_down_keys(cx: &mut TestAppContext) {
     cx.update_editor(|editor, _, _| {
         if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
         {
-            assert_eq!(completion_menu_entries(&menu), &["first", "last"]);
+            assert_eq!(completion_menu_entries(menu), &["first", "last"]);
         } else {
             panic!("expected completion menu to be open");
         }
@@ -14087,7 +14425,7 @@ async fn test_toggle_block_comment(cx: &mut TestAppContext) {
     ));
 
     cx.language_registry().add(html_language.clone());
-    cx.language_registry().add(javascript_language.clone());
+    cx.language_registry().add(javascript_language);
     cx.update_buffer(|buffer, cx| {
         buffer.set_language(Some(html_language), cx);
     });
@@ -14264,7 +14602,7 @@ fn test_editing_overlapping_excerpts(cx: &mut TestAppContext) {
     );
     let excerpt_ranges = markers.into_iter().map(|marker| {
         let context = excerpt_ranges.remove(&marker).unwrap()[0].clone();
-        ExcerptRange::new(context.clone())
+        ExcerptRange::new(context)
     });
     let buffer = cx.new(|cx| Buffer::local(initial_text, cx));
     let multibuffer = cx.new(|cx| {
@@ -14549,7 +14887,7 @@ fn test_highlighted_ranges(cx: &mut TestAppContext) {
 
     let editor = cx.add_window(|window, cx| {
         let buffer = MultiBuffer::build_simple(&sample_text(16, 8, 'a'), cx);
-        build_editor(buffer.clone(), window, cx)
+        build_editor(buffer, window, cx)
     });
 
     _ = editor.update(cx, |editor, window, cx| {
@@ -15004,7 +15342,7 @@ async fn go_to_prev_overlapping_diagnostic(executor: BackgroundExecutor, cx: &mu
 
     let mut cx = EditorTestContext::new(cx).await;
     let lsp_store =
-        cx.update_editor(|editor, _, cx| editor.project.as_ref().unwrap().read(cx).lsp_store());
+        cx.update_editor(|editor, _, cx| editor.project().unwrap().read(cx).lsp_store());
 
     cx.set_state(indoc! {"
         ˇfn func(abc def: i32) -> u32 {
@@ -15471,8 +15809,7 @@ async fn test_on_type_formatting_is_applied_after_autoindent(cx: &mut TestAppCon
     cx.simulate_keystroke("\n");
     cx.run_until_parked();
 
-    let buffer_cloned =
-        cx.multibuffer(|multi_buffer, _| multi_buffer.as_singleton().unwrap().clone());
+    let buffer_cloned = cx.multibuffer(|multi_buffer, _| multi_buffer.as_singleton().unwrap());
     let mut request =
         cx.set_request_handler::<lsp::request::OnTypeFormatting, _, _>(move |_, _, mut cx| {
             let buffer_cloned = buffer_cloned.clone();
@@ -16414,7 +16751,7 @@ async fn test_completions_in_languages_with_extra_word_characters(cx: &mut TestA
         if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
         {
             assert_eq!(
-                completion_menu_entries(&menu),
+                completion_menu_entries(menu),
                 &["bg-blue", "bg-red", "bg-yellow"]
             );
         } else {
@@ -16427,7 +16764,7 @@ async fn test_completions_in_languages_with_extra_word_characters(cx: &mut TestA
     cx.update_editor(|editor, _, _| {
         if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
         {
-            assert_eq!(completion_menu_entries(&menu), &["bg-blue", "bg-yellow"]);
+            assert_eq!(completion_menu_entries(menu), &["bg-blue", "bg-yellow"]);
         } else {
             panic!("expected completion menu to be open");
         }
@@ -16441,7 +16778,7 @@ async fn test_completions_in_languages_with_extra_word_characters(cx: &mut TestA
     cx.update_editor(|editor, _, _| {
         if let Some(CodeContextMenu::Completions(menu)) = editor.context_menu.borrow_mut().as_ref()
         {
-            assert_eq!(completion_menu_entries(&menu), &["bg-yellow"]);
+            assert_eq!(completion_menu_entries(menu), &["bg-yellow"]);
         } else {
             panic!("expected completion menu to be open");
         }
@@ -17010,7 +17347,7 @@ async fn test_multibuffer_reverts(cx: &mut TestAppContext) {
             (buffer_2.clone(), base_text_2),
             (buffer_3.clone(), base_text_3),
         ] {
-            let diff = cx.new(|cx| BufferDiff::new_with_base_text(&diff_base, &buffer, cx));
+            let diff = cx.new(|cx| BufferDiff::new_with_base_text(diff_base, &buffer, cx));
             editor
                 .buffer
                 .update(cx, |buffer, cx| buffer.add_diff(diff, cx));
@@ -17631,7 +17968,7 @@ async fn test_toggle_diff_expand_in_multi_buffer(cx: &mut TestAppContext) {
                 (buffer_2.clone(), file_2_old),
                 (buffer_3.clone(), file_3_old),
             ] {
-                let diff = cx.new(|cx| BufferDiff::new_with_base_text(&diff_base, &buffer, cx));
+                let diff = cx.new(|cx| BufferDiff::new_with_base_text(diff_base, &buffer, cx));
                 editor
                     .buffer
                     .update(cx, |buffer, cx| buffer.add_diff(diff, cx));
@@ -19176,7 +19513,7 @@ async fn test_adjacent_diff_hunks(executor: BackgroundExecutor, cx: &mut TestApp
         let buffer_id = hunks[0].buffer_id;
         hunks
             .into_iter()
-            .map(|hunk| Anchor::range_in_buffer(excerpt_id, buffer_id, hunk.buffer_range.clone()))
+            .map(|hunk| Anchor::range_in_buffer(excerpt_id, buffer_id, hunk.buffer_range))
             .collect::<Vec<_>>()
     });
     assert_eq!(hunk_ranges.len(), 2);
@@ -19267,7 +19604,7 @@ async fn test_adjacent_diff_hunks(executor: BackgroundExecutor, cx: &mut TestApp
         let buffer_id = hunks[0].buffer_id;
         hunks
             .into_iter()
-            .map(|hunk| Anchor::range_in_buffer(excerpt_id, buffer_id, hunk.buffer_range.clone()))
+            .map(|hunk| Anchor::range_in_buffer(excerpt_id, buffer_id, hunk.buffer_range))
             .collect::<Vec<_>>()
     });
     assert_eq!(hunk_ranges.len(), 2);
@@ -19333,7 +19670,7 @@ async fn test_toggle_deletion_hunk_at_start_of_file(
         let buffer_id = hunks[0].buffer_id;
         hunks
             .into_iter()
-            .map(|hunk| Anchor::range_in_buffer(excerpt_id, buffer_id, hunk.buffer_range.clone()))
+            .map(|hunk| Anchor::range_in_buffer(excerpt_id, buffer_id, hunk.buffer_range))
             .collect::<Vec<_>>()
     });
     assert_eq!(hunk_ranges.len(), 1);
@@ -19356,7 +19693,7 @@ async fn test_toggle_deletion_hunk_at_start_of_file(
     });
     executor.run_until_parked();
 
-    cx.assert_state_with_diff(hunk_expanded.clone());
+    cx.assert_state_with_diff(hunk_expanded);
 }
 
 #[gpui::test]
@@ -19556,13 +19893,8 @@ fn test_crease_insertion_and_rendering(cx: &mut TestAppContext) {
 
             editor.insert_creases(Some(crease), cx);
             let snapshot = editor.snapshot(window, cx);
-            let _div = snapshot.render_crease_toggle(
-                MultiBufferRow(1),
-                false,
-                cx.entity().clone(),
-                window,
-                cx,
-            );
+            let _div =
+                snapshot.render_crease_toggle(MultiBufferRow(1), false, cx.entity(), window, cx);
             snapshot
         })
         .unwrap();
@@ -20551,7 +20883,7 @@ async fn test_multi_buffer_navigation_with_folded_buffers(cx: &mut TestAppContex
 }
 
 #[gpui::test]
-async fn test_inline_completion_text(cx: &mut TestAppContext) {
+async fn test_edit_prediction_text(cx: &mut TestAppContext) {
     init_test(cx, |_| {});
 
     // Simple insertion
@@ -20650,7 +20982,7 @@ async fn test_inline_completion_text(cx: &mut TestAppContext) {
 }
 
 #[gpui::test]
-async fn test_inline_completion_text_with_deletions(cx: &mut TestAppContext) {
+async fn test_edit_prediction_text_with_deletions(cx: &mut TestAppContext) {
     init_test(cx, |_| {});
 
     // Deletion
@@ -20740,8 +21072,8 @@ async fn assert_highlighted_edits(
         .await;
 
     cx.update(|_window, cx| {
-        let highlighted_edits = inline_completion_edit_text(
-            &snapshot.as_singleton().unwrap().2,
+        let highlighted_edits = edit_prediction_edit_text(
+            snapshot.as_singleton().unwrap().2,
             &edits,
             &edit_preview,
             include_deletions,
@@ -20757,13 +21089,13 @@ fn assert_breakpoint(
     path: &Arc<Path>,
     expected: Vec<(u32, Breakpoint)>,
 ) {
-    if expected.len() == 0usize {
+    if expected.is_empty() {
         assert!(!breakpoints.contains_key(path), "{}", path.display());
     } else {
         let mut breakpoint = breakpoints
             .get(path)
             .unwrap()
-            .into_iter()
+            .iter()
             .map(|breakpoint| {
                 (
                     breakpoint.row,
@@ -20792,13 +21124,7 @@ fn add_log_breakpoint_at_cursor(
     let (anchor, bp) = editor
         .breakpoints_at_cursors(window, cx)
         .first()
-        .and_then(|(anchor, bp)| {
-            if let Some(bp) = bp {
-                Some((*anchor, bp.clone()))
-            } else {
-                None
-            }
-        })
+        .and_then(|(anchor, bp)| bp.as_ref().map(|bp| (*anchor, bp.clone())))
         .unwrap_or_else(|| {
             let cursor_position: Point = editor.selections.newest(cx).head();
 
@@ -20808,7 +21134,7 @@ fn add_log_breakpoint_at_cursor(
                 .buffer_snapshot
                 .anchor_before(Point::new(cursor_position.row, 0));
 
-            (breakpoint_position, Breakpoint::new_log(&log_message))
+            (breakpoint_position, Breakpoint::new_log(log_message))
         });
 
     editor.edit_breakpoint_at_anchor(
@@ -20876,7 +21202,7 @@ async fn test_breakpoint_toggling(cx: &mut TestAppContext) {
     let abs_path = project.read_with(cx, |project, cx| {
         project
             .absolute_path(&project_path, cx)
-            .map(|path_buf| Arc::from(path_buf.to_owned()))
+            .map(Arc::from)
             .unwrap()
     });
 
@@ -20894,7 +21220,6 @@ async fn test_breakpoint_toggling(cx: &mut TestAppContext) {
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_eq!(1, breakpoints.len());
@@ -20919,7 +21244,6 @@ async fn test_breakpoint_toggling(cx: &mut TestAppContext) {
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_eq!(1, breakpoints.len());
@@ -20941,7 +21265,6 @@ async fn test_breakpoint_toggling(cx: &mut TestAppContext) {
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_eq!(0, breakpoints.len());
@@ -20993,7 +21316,7 @@ async fn test_log_breakpoint_editing(cx: &mut TestAppContext) {
     let abs_path = project.read_with(cx, |project, cx| {
         project
             .absolute_path(&project_path, cx)
-            .map(|path_buf| Arc::from(path_buf.to_owned()))
+            .map(Arc::from)
             .unwrap()
     });
 
@@ -21008,7 +21331,6 @@ async fn test_log_breakpoint_editing(cx: &mut TestAppContext) {
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_breakpoint(
@@ -21029,7 +21351,6 @@ async fn test_log_breakpoint_editing(cx: &mut TestAppContext) {
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_breakpoint(&breakpoints, &abs_path, vec![]);
@@ -21049,7 +21370,6 @@ async fn test_log_breakpoint_editing(cx: &mut TestAppContext) {
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_breakpoint(
@@ -21072,7 +21392,6 @@ async fn test_log_breakpoint_editing(cx: &mut TestAppContext) {
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_breakpoint(
@@ -21095,7 +21414,6 @@ async fn test_log_breakpoint_editing(cx: &mut TestAppContext) {
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_breakpoint(
@@ -21168,7 +21486,7 @@ async fn test_breakpoint_enabling_and_disabling(cx: &mut TestAppContext) {
     let abs_path = project.read_with(cx, |project, cx| {
         project
             .absolute_path(&project_path, cx)
-            .map(|path_buf| Arc::from(path_buf.to_owned()))
+            .map(Arc::from)
             .unwrap()
     });
 
@@ -21188,7 +21506,6 @@ async fn test_breakpoint_enabling_and_disabling(cx: &mut TestAppContext) {
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_eq!(1, breakpoints.len());
@@ -21220,7 +21537,6 @@ async fn test_breakpoint_enabling_and_disabling(cx: &mut TestAppContext) {
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     let disable_breakpoint = {
@@ -21256,7 +21572,6 @@ async fn test_breakpoint_enabling_and_disabling(cx: &mut TestAppContext) {
             .unwrap()
             .read(cx)
             .all_source_breakpoints(cx)
-            .clone()
     });
 
     assert_eq!(1, breakpoints.len());
@@ -22235,10 +22550,7 @@ async fn test_html_linked_edits_on_completion(cx: &mut TestAppContext) {
         let closing_range =
             buffer.anchor_before(Point::new(0, 6))..buffer.anchor_after(Point::new(0, 8));
         let mut linked_ranges = HashMap::default();
-        linked_ranges.insert(
-            buffer_id,
-            vec![(opening_range.clone(), vec![closing_range.clone()])],
-        );
+        linked_ranges.insert(buffer_id, vec![(opening_range, vec![closing_range])]);
         editor.linked_edit_ranges = LinkedEditingRanges(linked_ranges);
     });
     let mut completion_handle =
@@ -22403,7 +22715,7 @@ async fn test_invisible_worktree_servers(cx: &mut TestAppContext) {
     .await
     .unwrap();
     pane.update_in(cx, |pane, window, cx| {
-        pane.navigate_backward(window, cx);
+        pane.navigate_backward(&Default::default(), window, cx);
     });
     cx.run_until_parked();
     pane.update(cx, |pane, cx| {
@@ -22423,7 +22735,7 @@ async fn test_invisible_worktree_servers(cx: &mut TestAppContext) {
     );
 
     cx.update(|_, cx| {
-        workspace::reload(&workspace::Reload::default(), cx);
+        workspace::reload(cx);
     });
     assert_language_servers_count(
         1,
@@ -23348,7 +23660,7 @@ pub fn handle_completion_request(
                     complete_from_position
                 );
                 Ok(Some(lsp::CompletionResponse::List(lsp::CompletionList {
-                    is_incomplete: is_incomplete,
+                    is_incomplete,
                     item_defaults: None,
                     items: completions
                         .iter()
@@ -23990,7 +24302,7 @@ async fn test_document_colors(cx: &mut TestAppContext) {
     workspace
         .update(cx, |workspace, window, cx| {
             workspace.active_pane().update(cx, |pane, cx| {
-                pane.navigate_backward(window, cx);
+                pane.navigate_backward(&Default::default(), window, cx);
             })
         })
         .unwrap();
@@ -24038,6 +24350,41 @@ async fn test_newline_replacement_in_single_line(cx: &mut TestAppContext) {
     });
 }
 
+#[gpui::test]
+async fn test_non_utf_8_opens(cx: &mut TestAppContext) {
+    init_test(cx, |_| {});
+
+    cx.update(|cx| {
+        register_project_item::<Editor>(cx);
+    });
+
+    let fs = FakeFs::new(cx.executor());
+    fs.insert_tree("/root1", json!({})).await;
+    fs.insert_file("/root1/one.pdf", vec![0xff, 0xfe, 0xfd])
+        .await;
+
+    let project = Project::test(fs, ["/root1".as_ref()], cx).await;
+    let (workspace, cx) =
+        cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
+
+    let worktree_id = project.update(cx, |project, cx| {
+        project.worktrees(cx).next().unwrap().read(cx).id()
+    });
+
+    let handle = workspace
+        .update_in(cx, |workspace, window, cx| {
+            let project_path = (worktree_id, "one.pdf");
+            workspace.open_path(project_path, None, true, window, cx)
+        })
+        .await
+        .unwrap();
+
+    assert_eq!(
+        handle.to_any().entity_type(),
+        TypeId::of::<InvalidBufferView>()
+    );
+}
+
 #[track_caller]
 fn extract_color_inlays(editor: &Editor, cx: &App) -> Vec<Rgba> {
     editor
diff --git a/crates/editor/src/element.rs b/crates/editor/src/element.rs
index 7e77f113ac..4f3580da07 100644
--- a/crates/editor/src/element.rs
+++ b/crates/editor/src/element.rs
@@ -3,11 +3,11 @@ use crate::{
     CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker, ConflictsOuter,
     ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape, CustomBlockId,
     DisplayDiffHunk, DisplayPoint, DisplayRow, DocumentHighlightRead, DocumentHighlightWrite,
-    EditDisplayMode, Editor, EditorMode, EditorSettings, EditorSnapshot, EditorStyle,
-    FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp, HandleInput,
-    HoveredCursor, InlayHintRefreshReason, InlineCompletion, JumpData, LineDown, LineHighlight,
-    LineUp, MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts,
-    PageDown, PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
+    EditDisplayMode, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
+    EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
+    HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
+    MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
+    PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
     SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
     ToggleFold, ToggleFoldAll,
     code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
@@ -40,14 +40,15 @@ use git::{
 };
 use gpui::{
     Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
-    Bounds, ClickEvent, ContentMask, Context, Corner, Corners, CursorStyle, DispatchPhase, Edges,
-    Element, ElementInputHandler, Entity, Focusable as _, FontId, GlobalElementId, Hitbox,
-    HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero, Keystroke, Length,
-    ModifiersChangedEvent, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad,
-    ParentElement, Pixels, ScrollDelta, ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString,
-    Size, StatefulInteractiveElement, Style, Styled, TextRun, TextStyleRefinement, WeakEntity,
-    Window, anchored, deferred, div, fill, linear_color_stop, linear_gradient, outline, point, px,
-    quad, relative, size, solid_background, transparent_black,
+    Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
+    DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, FontId,
+    GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero,
+    Keystroke, Length, ModifiersChangedEvent, MouseButton, MouseClickEvent, MouseDownEvent,
+    MouseMoveEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, ScrollDelta, ScrollHandle,
+    ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement, Style, Styled,
+    TextRun, TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill,
+    linear_color_stop, linear_gradient, outline, point, px, quad, relative, size, solid_background,
+    transparent_black,
 };
 use itertools::Itertools;
 use language::language_settings::{
@@ -60,7 +61,7 @@ use multi_buffer::{
 };
 
 use project::{
-    ProjectPath,
+    Entry, ProjectPath,
     debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
     project_settings::{GitGutterSetting, GitHunkStyleSetting, ProjectSettings},
 };
@@ -73,6 +74,7 @@ use std::{
     fmt::{self, Write},
     iter, mem,
     ops::{Deref, Range},
+    path::{self, Path},
     rc::Rc,
     sync::Arc,
     time::{Duration, Instant},
@@ -80,13 +82,17 @@ use std::{
 use sum_tree::Bias;
 use text::{BufferId, SelectionGoal};
 use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
-use ui::{ButtonLike, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*};
+use ui::{
+    ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*,
+    right_click_menu,
+};
 use unicode_segmentation::UnicodeSegmentation;
 use util::post_inc;
 use util::{RangeExt, ResultExt, debug_panic};
-use workspace::{CollaboratorId, Workspace, item::Item, notifications::NotifyTaskExt};
-
-const INLINE_BLAME_PADDING_EM_WIDTHS: f32 = 7.;
+use workspace::{
+    CollaboratorId, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel, Workspace,
+    item::Item, notifications::NotifyTaskExt,
+};
 
 /// Determines what kinds of highlights should be applied to a lines background.
 #[derive(Clone, Copy, Default)]
@@ -357,6 +363,7 @@ impl EditorElement {
         register_action(editor, window, Editor::toggle_comments);
         register_action(editor, window, Editor::select_larger_syntax_node);
         register_action(editor, window, Editor::select_smaller_syntax_node);
+        register_action(editor, window, Editor::unwrap_syntax_node);
         register_action(editor, window, Editor::select_enclosing_symbol);
         register_action(editor, window, Editor::move_to_enclosing_bracket);
         register_action(editor, window, Editor::undo_selection);
@@ -554,7 +561,7 @@ impl EditorElement {
         register_action(editor, window, Editor::signature_help_next);
         register_action(editor, window, Editor::next_edit_prediction);
         register_action(editor, window, Editor::previous_edit_prediction);
-        register_action(editor, window, Editor::show_inline_completion);
+        register_action(editor, window, Editor::show_edit_prediction);
         register_action(editor, window, Editor::context_menu_first);
         register_action(editor, window, Editor::context_menu_prev);
         register_action(editor, window, Editor::context_menu_next);
@@ -562,7 +569,7 @@ impl EditorElement {
         register_action(editor, window, Editor::display_cursor_names);
         register_action(editor, window, Editor::unique_lines_case_insensitive);
         register_action(editor, window, Editor::unique_lines_case_sensitive);
-        register_action(editor, window, Editor::accept_partial_inline_completion);
+        register_action(editor, window, Editor::accept_partial_edit_prediction);
         register_action(editor, window, Editor::accept_edit_prediction);
         register_action(editor, window, Editor::restore_file);
         register_action(editor, window, Editor::git_restore);
@@ -718,7 +725,7 @@ impl EditorElement {
                         ColumnarMode::FromMouse => true,
                         ColumnarMode::FromSelection => false,
                     },
-                    mode: mode,
+                    mode,
                     goal_column: point_for_position.exact_unclipped.column(),
                 },
                 window,
@@ -911,6 +918,11 @@ impl EditorElement {
         } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
             && event.button == MouseButton::Middle
         {
+            #[allow(
+                clippy::collapsible_if,
+                clippy::needless_return,
+                reason = "The cfg-block below makes this a false positive"
+            )]
             if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
                 return;
             }
@@ -949,8 +961,12 @@ impl EditorElement {
 
         let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
 
-        if !pending_nonempty_selections && hovered_link_modifier && text_hitbox.is_hovered(window) {
-            let point = position_map.point_for_position(event.up.position);
+        if let Some(mouse_position) = event.mouse_position()
+            && !pending_nonempty_selections
+            && hovered_link_modifier
+            && text_hitbox.is_hovered(window)
+        {
+            let point = position_map.point_for_position(mouse_position);
             editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
             editor.selection_drag_state = SelectionDragState::None;
 
@@ -1112,26 +1128,24 @@ impl EditorElement {
 
         let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
             Some(control_row)
-        } else {
-            if text_hovered {
-                let current_row = valid_point.row();
-                position_map.display_hunks.iter().find_map(|(hunk, _)| {
-                    if let DisplayDiffHunk::Unfolded {
-                        display_row_range, ..
-                    } = hunk
-                    {
-                        if display_row_range.contains(&current_row) {
-                            Some(display_row_range.start)
-                        } else {
-                            None
-                        }
+        } else if text_hovered {
+            let current_row = valid_point.row();
+            position_map.display_hunks.iter().find_map(|(hunk, _)| {
+                if let DisplayDiffHunk::Unfolded {
+                    display_row_range, ..
+                } = hunk
+                {
+                    if display_row_range.contains(&current_row) {
+                        Some(display_row_range.start)
                     } else {
                         None
                     }
-                })
-            } else {
-                None
-            }
+                } else {
+                    None
+                }
+            })
+        } else {
+            None
         };
 
         if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
@@ -1145,14 +1159,14 @@ impl EditorElement {
                 .inline_blame_popover
                 .as_ref()
                 .and_then(|state| state.popover_bounds)
-                .map_or(false, |bounds| bounds.contains(&event.position));
+                .is_some_and(|bounds| bounds.contains(&event.position));
             let keyboard_grace = editor
                 .inline_blame_popover
                 .as_ref()
-                .map_or(false, |state| state.keyboard_grace);
+                .is_some_and(|state| state.keyboard_grace);
 
             if mouse_over_inline_blame || mouse_over_popover {
-                editor.show_blame_popover(&blame_entry, event.position, false, cx);
+                editor.show_blame_popover(blame_entry, event.position, false, cx);
             } else if !keyboard_grace {
                 editor.hide_blame_popover(cx);
             }
@@ -1176,10 +1190,10 @@ impl EditorElement {
                 let is_visible = editor
                     .gutter_breakpoint_indicator
                     .0
-                    .map_or(false, |indicator| indicator.is_active);
+                    .is_some_and(|indicator| indicator.is_active);
 
                 let has_existing_breakpoint =
-                    editor.breakpoint_store.as_ref().map_or(false, |store| {
+                    editor.breakpoint_store.as_ref().is_some_and(|store| {
                         let Some(project) = &editor.project else {
                             return false;
                         };
@@ -1377,29 +1391,27 @@ impl EditorElement {
                     ref drop_cursor,
                     ref hide_drop_cursor,
                 } = editor.selection_drag_state
+                    && !hide_drop_cursor
+                    && (drop_cursor
+                        .start
+                        .cmp(&selection.start, &snapshot.buffer_snapshot)
+                        .eq(&Ordering::Less)
+                        || drop_cursor
+                            .end
+                            .cmp(&selection.end, &snapshot.buffer_snapshot)
+                            .eq(&Ordering::Greater))
                 {
-                    if !hide_drop_cursor
-                        && (drop_cursor
-                            .start
-                            .cmp(&selection.start, &snapshot.buffer_snapshot)
-                            .eq(&Ordering::Less)
-                            || drop_cursor
-                                .end
-                                .cmp(&selection.end, &snapshot.buffer_snapshot)
-                                .eq(&Ordering::Greater))
-                    {
-                        let drag_cursor_layout = SelectionLayout::new(
-                            drop_cursor.clone(),
-                            false,
-                            CursorShape::Bar,
-                            &snapshot.display_snapshot,
-                            false,
-                            false,
-                            None,
-                        );
-                        let absent_color = cx.theme().players().absent();
-                        selections.push((absent_color, vec![drag_cursor_layout]));
-                    }
+                    let drag_cursor_layout = SelectionLayout::new(
+                        drop_cursor.clone(),
+                        false,
+                        CursorShape::Bar,
+                        &snapshot.display_snapshot,
+                        false,
+                        false,
+                        None,
+                    );
+                    let absent_color = cx.theme().players().absent();
+                    selections.push((absent_color, vec![drag_cursor_layout]));
                 }
             }
 
@@ -1410,19 +1422,15 @@ impl EditorElement {
                         CollaboratorId::PeerId(peer_id) => {
                             if let Some(collaborator) =
                                 collaboration_hub.collaborators(cx).get(&peer_id)
-                            {
-                                if let Some(participant_index) = collaboration_hub
+                                && let Some(participant_index) = collaboration_hub
                                     .user_participant_indices(cx)
                                     .get(&collaborator.user_id)
-                                {
-                                    if let Some((local_selection_style, _)) = selections.first_mut()
-                                    {
-                                        *local_selection_style = cx
-                                            .theme()
-                                            .players()
-                                            .color_for_participant(participant_index.0);
-                                    }
-                                }
+                                && let Some((local_selection_style, _)) = selections.first_mut()
+                            {
+                                *local_selection_style = cx
+                                    .theme()
+                                    .players()
+                                    .color_for_participant(participant_index.0);
                             }
                         }
                         CollaboratorId::Agent => {
@@ -2093,7 +2101,7 @@ impl EditorElement {
         row_block_types: &HashMap<DisplayRow, bool>,
         content_origin: gpui::Point<Pixels>,
         scroll_pixel_position: gpui::Point<Pixels>,
-        inline_completion_popover_origin: Option<gpui::Point<Pixels>>,
+        edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
         start_row: DisplayRow,
         end_row: DisplayRow,
         line_height: Pixels,
@@ -2165,11 +2173,13 @@ impl EditorElement {
         };
 
         let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
-        let min_x = ProjectSettings::get_global(cx)
-            .diagnostics
-            .inline
-            .min_column as f32
-            * em_width;
+        let min_x = self.column_pixels(
+            ProjectSettings::get_global(cx)
+                .diagnostics
+                .inline
+                .min_column as usize,
+            window,
+        );
 
         let mut elements = HashMap::default();
         for (row, mut diagnostics) in diagnostics_by_rows {
@@ -2210,12 +2220,12 @@ impl EditorElement {
                 cmp::max(padded_line, min_start)
             };
 
-            let behind_inline_completion_popover = inline_completion_popover_origin
+            let behind_edit_prediction_popover = edit_prediction_popover_origin
                 .as_ref()
-                .map_or(false, |inline_completion_popover_origin| {
-                    (pos_y..pos_y + line_height).contains(&inline_completion_popover_origin.y)
+                .is_some_and(|edit_prediction_popover_origin| {
+                    (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
                 });
-            let opacity = if behind_inline_completion_popover {
+            let opacity = if behind_edit_prediction_popover {
                 0.5
             } else {
                 1.0
@@ -2280,9 +2290,7 @@ impl EditorElement {
                         None
                     }
                 })
-                .map_or(false, |source| {
-                    matches!(source, CodeActionSource::Indicator(..))
-                });
+                .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
             Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
         })?;
 
@@ -2422,19 +2430,21 @@ impl EditorElement {
         let editor = self.editor.read(cx);
         let blame = editor.blame.clone()?;
         let padding = {
-            const INLINE_BLAME_PADDING_EM_WIDTHS: f32 = 6.;
             const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
 
-            let mut padding = INLINE_BLAME_PADDING_EM_WIDTHS;
+            let mut padding = ProjectSettings::get_global(cx)
+                .git
+                .inline_blame
+                .unwrap_or_default()
+                .padding as f32;
 
-            if let Some(inline_completion) = editor.active_inline_completion.as_ref() {
-                match &inline_completion.completion {
-                    InlineCompletion::Edit {
-                        display_mode: EditDisplayMode::TabAccept,
-                        ..
-                    } => padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS,
-                    _ => {}
-                }
+            if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
+                && let EditPrediction::Edit {
+                    display_mode: EditDisplayMode::TabAccept,
+                    ..
+                } = &edit_prediction.completion
+            {
+                padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
             }
 
             padding * em_width
@@ -2463,7 +2473,7 @@ impl EditorElement {
             let min_column_in_pixels = ProjectSettings::get_global(cx)
                 .git
                 .inline_blame
-                .and_then(|settings| settings.min_column)
+                .map(|settings| settings.min_column)
                 .map(|col| self.column_pixels(col as usize, window))
                 .unwrap_or(px(0.));
             let min_start = content_origin.x - scroll_pixel_position.x + min_column_in_pixels;
@@ -2740,7 +2750,10 @@ impl EditorElement {
         let mut block_offset = 0;
         let mut found_excerpt_header = false;
         for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
-            if matches!(block, Block::ExcerptBoundary { .. }) {
+            if matches!(
+                block,
+                Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
+            ) {
                 found_excerpt_header = true;
                 break;
             }
@@ -2757,7 +2770,10 @@ impl EditorElement {
         let mut block_height = 0;
         let mut found_excerpt_header = false;
         for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
-            if matches!(block, Block::ExcerptBoundary { .. }) {
+            if matches!(
+                block,
+                Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
+            ) {
                 found_excerpt_header = true;
             }
             block_height += block.height();
@@ -2804,7 +2820,7 @@ impl EditorElement {
                     }
 
                     let row =
-                        MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(&snapshot).row);
+                        MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
                     if snapshot.is_line_folded(row) {
                         return None;
                     }
@@ -2895,7 +2911,7 @@ impl EditorElement {
                         if multibuffer_row
                             .0
                             .checked_sub(1)
-                            .map_or(false, |previous_row| {
+                            .is_some_and(|previous_row| {
                                 snapshot.is_line_folded(MultiBufferRow(previous_row))
                             })
                         {
@@ -2968,8 +2984,8 @@ impl EditorElement {
             .ilog10()
             + 1;
 
-        let elements = buffer_rows
-            .into_iter()
+        buffer_rows
+            .iter()
             .enumerate()
             .map(|(ix, row_info)| {
                 let ExpandInfo {
@@ -3004,7 +3020,7 @@ impl EditorElement {
                     .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
                     .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
                     .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
-                    .width(width.into())
+                    .width(width)
                     .on_click(move |_, window, cx| {
                         editor.update(cx, |editor, cx| {
                             editor.expand_excerpt(excerpt_id, direction, window, cx);
@@ -3024,9 +3040,7 @@ impl EditorElement {
 
                 Some((toggle, origin))
             })
-            .collect();
-
-        elements
+            .collect()
     }
 
     fn calculate_relative_line_numbers(
@@ -3126,7 +3140,7 @@ impl EditorElement {
         let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
         let mut line_number = String::new();
         let line_numbers = buffer_rows
-            .into_iter()
+            .iter()
             .enumerate()
             .flat_map(|(ix, row_info)| {
                 let display_row = DisplayRow(rows.start.0 + ix as u32);
@@ -3203,7 +3217,7 @@ impl EditorElement {
             && self.editor.read(cx).is_singleton(cx);
         if include_fold_statuses {
             row_infos
-                .into_iter()
+                .iter()
                 .enumerate()
                 .map(|(ix, info)| {
                     if info.expand_info.is_some() {
@@ -3298,7 +3312,7 @@ impl EditorElement {
             let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
             LineWithInvisibles::from_chunks(
                 chunks,
-                &style,
+                style,
                 MAX_LINE_LEN,
                 rows.len(),
                 &snapshot.mode,
@@ -3379,7 +3393,7 @@ impl EditorElement {
                 let line_ix = align_to.row().0.checked_sub(rows.start.0);
                 x_position =
                     if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
-                        x_and_width(&layout)
+                        x_and_width(layout)
                     } else {
                         x_and_width(&layout_line(
                             align_to.row(),
@@ -3445,42 +3459,41 @@ impl EditorElement {
                     .into_any_element()
             }
 
-            Block::ExcerptBoundary {
-                excerpt,
-                height,
-                starts_new_buffer,
-                ..
-            } => {
+            Block::ExcerptBoundary { .. } => {
                 let color = cx.theme().colors().clone();
                 let mut result = v_flex().id(block_id).w_full();
 
+                result = result.child(
+                    h_flex().relative().child(
+                        div()
+                            .top(line_height / 2.)
+                            .absolute()
+                            .w_full()
+                            .h_px()
+                            .bg(color.border_variant),
+                    ),
+                );
+
+                result.into_any()
+            }
+
+            Block::BufferHeader { excerpt, height } => {
+                let mut result = v_flex().id(block_id).w_full();
+
                 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
 
-                if *starts_new_buffer {
-                    if sticky_header_excerpt_id != Some(excerpt.id) {
-                        let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
+                if sticky_header_excerpt_id != Some(excerpt.id) {
+                    let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
 
-                        result = result.child(div().pr(editor_margins.right).child(
-                            self.render_buffer_header(
-                                excerpt, false, selected, false, jump_data, window, cx,
-                            ),
-                        ));
-                    } else {
-                        result =
-                            result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
-                    }
-                } else {
-                    result = result.child(
-                        h_flex().relative().child(
-                            div()
-                                .top(line_height / 2.)
-                                .absolute()
-                                .w_full()
-                                .h_px()
-                                .bg(color.border_variant),
+                    result = result.child(div().pr(editor_margins.right).child(
+                        self.render_buffer_header(
+                            excerpt, false, selected, false, jump_data, window, cx,
                         ),
-                    );
-                };
+                    ));
+                } else {
+                    result =
+                        result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
+                }
 
                 result.into_any()
             }
@@ -3504,33 +3517,33 @@ impl EditorElement {
         let mut x_offset = px(0.);
         let mut is_block = true;
 
-        if let BlockId::Custom(custom_block_id) = block_id {
-            if block.has_height() {
-                if block.place_near() {
-                    if let Some((x_target, line_width)) = x_position {
-                        let margin = em_width * 2;
-                        if line_width + final_size.width + margin
-                            < editor_width + editor_margins.gutter.full_width()
-                            && !row_block_types.contains_key(&(row - 1))
-                            && element_height_in_lines == 1
-                        {
-                            x_offset = line_width + margin;
-                            row = row - 1;
-                            is_block = false;
-                            element_height_in_lines = 0;
-                            row_block_types.insert(row, is_block);
-                        } else {
-                            let max_offset = editor_width + editor_margins.gutter.full_width()
-                                - final_size.width;
-                            let min_offset = (x_target + em_width - final_size.width)
-                                .max(editor_margins.gutter.full_width());
-                            x_offset = x_target.min(max_offset).max(min_offset);
-                        }
-                    }
-                };
-                if element_height_in_lines != block.height() {
-                    resized_blocks.insert(custom_block_id, element_height_in_lines);
+        if let BlockId::Custom(custom_block_id) = block_id
+            && block.has_height()
+        {
+            if block.place_near()
+                && let Some((x_target, line_width)) = x_position
+            {
+                let margin = em_width * 2;
+                if line_width + final_size.width + margin
+                    < editor_width + editor_margins.gutter.full_width()
+                    && !row_block_types.contains_key(&(row - 1))
+                    && element_height_in_lines == 1
+                {
+                    x_offset = line_width + margin;
+                    row = row - 1;
+                    is_block = false;
+                    element_height_in_lines = 0;
+                    row_block_types.insert(row, is_block);
+                } else {
+                    let max_offset =
+                        editor_width + editor_margins.gutter.full_width() - final_size.width;
+                    let min_offset = (x_target + em_width - final_size.width)
+                        .max(editor_margins.gutter.full_width());
+                    x_offset = x_target.min(max_offset).max(min_offset);
                 }
+            };
+            if element_height_in_lines != block.height() {
+                resized_blocks.insert(custom_block_id, element_height_in_lines);
             }
         }
         for i in 0..element_height_in_lines {
@@ -3549,11 +3562,10 @@ impl EditorElement {
         jump_data: JumpData,
         window: &mut Window,
         cx: &mut App,
-    ) -> Div {
+    ) -> impl IntoElement {
         let editor = self.editor.read(cx);
-        let file_status = editor
-            .buffer
-            .read(cx)
+        let multi_buffer = editor.buffer.read(cx);
+        let file_status = multi_buffer
             .all_diff_hunks_expanded()
             .then(|| {
                 editor
@@ -3563,6 +3575,17 @@ impl EditorElement {
                     .status_for_buffer_id(for_excerpt.buffer_id, cx)
             })
             .flatten();
+        let indicator = multi_buffer
+            .buffer(for_excerpt.buffer_id)
+            .and_then(|buffer| {
+                let buffer = buffer.read(cx);
+                let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
+                    (true, _) => Some(Color::Warning),
+                    (_, true) => Some(Color::Accent),
+                    (false, false) => None,
+                };
+                indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
+            });
 
         let include_root = editor
             .project
@@ -3570,17 +3593,17 @@ impl EditorElement {
             .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
             .unwrap_or_default();
         let can_open_excerpts = Editor::can_open_excerpts_in_file(for_excerpt.buffer.file());
-        let path = for_excerpt.buffer.resolve_file_path(cx, include_root);
-        let filename = path
+        let relative_path = for_excerpt.buffer.resolve_file_path(cx, include_root);
+        let filename = relative_path
             .as_ref()
             .and_then(|path| Some(path.file_name()?.to_string_lossy().to_string()));
-        let parent_path = path.as_ref().and_then(|path| {
+        let parent_path = relative_path.as_ref().and_then(|path| {
             Some(path.parent()?.to_string_lossy().to_string() + std::path::MAIN_SEPARATOR_STR)
         });
         let focus_handle = editor.focus_handle(cx);
         let colors = cx.theme().colors();
 
-        div()
+        let header = div()
             .p_1()
             .w_full()
             .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
@@ -3620,7 +3643,7 @@ impl EditorElement {
                                     ButtonLike::new("toggle-buffer-fold")
                                         .style(ui::ButtonStyle::Transparent)
                                         .height(px(28.).into())
-                                        .width(px(28.).into())
+                                        .width(px(28.))
                                         .children(toggle_chevron_icon)
                                         .tooltip({
                                             let focus_handle = focus_handle.clone();
@@ -3670,38 +3693,54 @@ impl EditorElement {
                             })
                             .take(1),
                     )
+                    .child(
+                        h_flex()
+                            .size(Pixels(12.0))
+                            .justify_center()
+                            .children(indicator),
+                    )
                     .child(
                         h_flex()
                             .cursor_pointer()
                             .id("path header block")
                             .size_full()
                             .justify_between()
+                            .overflow_hidden()
                             .child(
                                 h_flex()
                                     .gap_2()
-                                    .child(
-                                        Label::new(
-                                            filename
-                                                .map(SharedString::from)
-                                                .unwrap_or_else(|| "untitled".into()),
-                                        )
-                                        .single_line()
-                                        .when_some(
-                                            file_status,
-                                            |el, status| {
-                                                el.color(if status.is_conflicted() {
-                                                    Color::Conflict
-                                                } else if status.is_modified() {
-                                                    Color::Modified
-                                                } else if status.is_deleted() {
-                                                    Color::Disabled
-                                                } else {
-                                                    Color::Created
-                                                })
-                                                .when(status.is_deleted(), |el| el.strikethrough())
-                                            },
-                                        ),
-                                    )
+                                    .map(|path_header| {
+                                        let filename = filename
+                                            .map(SharedString::from)
+                                            .unwrap_or_else(|| "untitled".into());
+
+                                        path_header
+                                            .when(ItemSettings::get_global(cx).file_icons, |el| {
+                                                let path = path::Path::new(filename.as_str());
+                                                let icon = FileIcons::get_icon(path, cx)
+                                                    .unwrap_or_default();
+                                                let icon =
+                                                    Icon::from_path(icon).color(Color::Muted);
+                                                el.child(icon)
+                                            })
+                                            .child(Label::new(filename).single_line().when_some(
+                                                file_status,
+                                                |el, status| {
+                                                    el.color(if status.is_conflicted() {
+                                                        Color::Conflict
+                                                    } else if status.is_modified() {
+                                                        Color::Modified
+                                                    } else if status.is_deleted() {
+                                                        Color::Disabled
+                                                    } else {
+                                                        Color::Created
+                                                    })
+                                                    .when(status.is_deleted(), |el| {
+                                                        el.strikethrough()
+                                                    })
+                                                },
+                                            ))
+                                    })
                                     .when_some(parent_path, |then, path| {
                                         then.child(div().child(path).text_color(
                                             if file_status.is_some_and(FileStatus::is_deleted) {
@@ -3712,36 +3751,139 @@ impl EditorElement {
                                         ))
                                     }),
                             )
-                            .when(can_open_excerpts && is_selected && path.is_some(), |el| {
-                                el.child(
-                                    h_flex()
-                                        .id("jump-to-file-button")
-                                        .gap_2p5()
-                                        .child(Label::new("Jump To File"))
-                                        .children(
-                                            KeyBinding::for_action_in(
-                                                &OpenExcerpts,
-                                                &focus_handle,
-                                                window,
-                                                cx,
-                                            )
-                                            .map(|binding| binding.into_any_element()),
-                                        ),
-                                )
-                            })
+                            .when(
+                                can_open_excerpts && is_selected && relative_path.is_some(),
+                                |el| {
+                                    el.child(
+                                        h_flex()
+                                            .id("jump-to-file-button")
+                                            .gap_2p5()
+                                            .child(Label::new("Jump To File"))
+                                            .children(
+                                                KeyBinding::for_action_in(
+                                                    &OpenExcerpts,
+                                                    &focus_handle,
+                                                    window,
+                                                    cx,
+                                                )
+                                                .map(|binding| binding.into_any_element()),
+                                            ),
+                                    )
+                                },
+                            )
                             .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
                             .on_click(window.listener_for(&self.editor, {
                                 move |editor, e: &ClickEvent, window, cx| {
                                     editor.open_excerpts_common(
                                         Some(jump_data.clone()),
-                                        e.down.modifiers.secondary(),
+                                        e.modifiers().secondary(),
                                         window,
                                         cx,
                                     );
                                 }
                             })),
                     ),
-            )
+            );
+
+        let file = for_excerpt.buffer.file().cloned();
+        let editor = self.editor.clone();
+        right_click_menu("buffer-header-context-menu")
+            .trigger(move |_, _, _| header)
+            .menu(move |window, cx| {
+                let menu_context = focus_handle.clone();
+                let editor = editor.clone();
+                let file = file.clone();
+                ContextMenu::build(window, cx, move |mut menu, window, cx| {
+                    if let Some(file) = file
+                        && let Some(project) = editor.read(cx).project()
+                        && let Some(worktree) =
+                            project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
+                    {
+                        let worktree = worktree.read(cx);
+                        let relative_path = file.path();
+                        let entry_for_path = worktree.entry_for_path(relative_path);
+                        let abs_path = entry_for_path.map(|e| {
+                            e.canonical_path.as_deref().map_or_else(
+                                || worktree.abs_path().join(relative_path),
+                                Path::to_path_buf,
+                            )
+                        });
+                        let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
+
+                        let parent_abs_path = abs_path
+                            .as_ref()
+                            .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
+                        let relative_path = has_relative_path
+                            .then_some(relative_path)
+                            .map(ToOwned::to_owned);
+
+                        let visible_in_project_panel =
+                            relative_path.is_some() && worktree.is_visible();
+                        let reveal_in_project_panel = entry_for_path
+                            .filter(|_| visible_in_project_panel)
+                            .map(|entry| entry.id);
+                        menu = menu
+                            .when_some(abs_path, |menu, abs_path| {
+                                menu.entry(
+                                    "Copy Path",
+                                    Some(Box::new(zed_actions::workspace::CopyPath)),
+                                    window.handler_for(&editor, move |_, _, cx| {
+                                        cx.write_to_clipboard(ClipboardItem::new_string(
+                                            abs_path.to_string_lossy().to_string(),
+                                        ));
+                                    }),
+                                )
+                            })
+                            .when_some(relative_path, |menu, relative_path| {
+                                menu.entry(
+                                    "Copy Relative Path",
+                                    Some(Box::new(zed_actions::workspace::CopyRelativePath)),
+                                    window.handler_for(&editor, move |_, _, cx| {
+                                        cx.write_to_clipboard(ClipboardItem::new_string(
+                                            relative_path.to_string_lossy().to_string(),
+                                        ));
+                                    }),
+                                )
+                            })
+                            .when(
+                                reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
+                                |menu| menu.separator(),
+                            )
+                            .when_some(reveal_in_project_panel, |menu, entry_id| {
+                                menu.entry(
+                                    "Reveal In Project Panel",
+                                    Some(Box::new(RevealInProjectPanel::default())),
+                                    window.handler_for(&editor, move |editor, _, cx| {
+                                        if let Some(project) = &mut editor.project {
+                                            project.update(cx, |_, cx| {
+                                                cx.emit(project::Event::RevealInProjectPanel(
+                                                    entry_id,
+                                                ))
+                                            });
+                                        }
+                                    }),
+                                )
+                            })
+                            .when_some(parent_abs_path, |menu, parent_abs_path| {
+                                menu.entry(
+                                    "Open in Terminal",
+                                    Some(Box::new(OpenInTerminal)),
+                                    window.handler_for(&editor, move |_, window, cx| {
+                                        window.dispatch_action(
+                                            OpenTerminal {
+                                                working_directory: parent_abs_path.clone(),
+                                            }
+                                            .boxed_clone(),
+                                            cx,
+                                        );
+                                    }),
+                                )
+                            });
+                    }
+
+                    menu.context(menu_context)
+                })
+            })
     }
 
     fn render_blocks(
@@ -3779,7 +3921,7 @@ impl EditorElement {
         for (row, block) in fixed_blocks {
             let block_id = block.id();
 
-            if focused_block.as_ref().map_or(false, |b| b.id == block_id) {
+            if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
                 focused_block = None;
             }
 
@@ -3836,7 +3978,7 @@ impl EditorElement {
             };
             let block_id = block.id();
 
-            if focused_block.as_ref().map_or(false, |b| b.id == block_id) {
+            if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
                 focused_block = None;
             }
 
@@ -3877,60 +4019,58 @@ impl EditorElement {
             }
         }
 
-        if let Some(focused_block) = focused_block {
-            if let Some(focus_handle) = focused_block.focus_handle.upgrade() {
-                if focus_handle.is_focused(window) {
-                    if let Some(block) = snapshot.block_for_id(focused_block.id) {
-                        let style = block.style();
-                        let width = match style {
-                            BlockStyle::Fixed => AvailableSpace::MinContent,
-                            BlockStyle::Flex => AvailableSpace::Definite(
-                                hitbox
-                                    .size
-                                    .width
-                                    .max(fixed_block_max_width)
-                                    .max(editor_margins.gutter.width + *scroll_width),
-                            ),
-                            BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
-                        };
+        if let Some(focused_block) = focused_block
+            && let Some(focus_handle) = focused_block.focus_handle.upgrade()
+            && focus_handle.is_focused(window)
+            && let Some(block) = snapshot.block_for_id(focused_block.id)
+        {
+            let style = block.style();
+            let width = match style {
+                BlockStyle::Fixed => AvailableSpace::MinContent,
+                BlockStyle::Flex => AvailableSpace::Definite(
+                    hitbox
+                        .size
+                        .width
+                        .max(fixed_block_max_width)
+                        .max(editor_margins.gutter.width + *scroll_width),
+                ),
+                BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
+            };
 
-                        if let Some((element, element_size, _, x_offset)) = self.render_block(
-                            &block,
-                            width,
-                            focused_block.id,
-                            rows.end,
-                            snapshot,
-                            text_x,
-                            &rows,
-                            line_layouts,
-                            editor_margins,
-                            line_height,
-                            em_width,
-                            text_hitbox,
-                            editor_width,
-                            scroll_width,
-                            &mut resized_blocks,
-                            &mut row_block_types,
-                            selections,
-                            selected_buffer_ids,
-                            is_row_soft_wrapped,
-                            sticky_header_excerpt_id,
-                            window,
-                            cx,
-                        ) {
-                            blocks.push(BlockLayout {
-                                id: block.id(),
-                                x_offset,
-                                row: None,
-                                element,
-                                available_space: size(width, element_size.height.into()),
-                                style,
-                                overlaps_gutter: true,
-                                is_buffer_header: block.is_buffer_header(),
-                            });
-                        }
-                    }
-                }
+            if let Some((element, element_size, _, x_offset)) = self.render_block(
+                &block,
+                width,
+                focused_block.id,
+                rows.end,
+                snapshot,
+                text_x,
+                &rows,
+                line_layouts,
+                editor_margins,
+                line_height,
+                em_width,
+                text_hitbox,
+                editor_width,
+                scroll_width,
+                &mut resized_blocks,
+                &mut row_block_types,
+                selections,
+                selected_buffer_ids,
+                is_row_soft_wrapped,
+                sticky_header_excerpt_id,
+                window,
+                cx,
+            ) {
+                blocks.push(BlockLayout {
+                    id: block.id(),
+                    x_offset,
+                    row: None,
+                    element,
+                    available_space: size(width, element_size.height.into()),
+                    style,
+                    overlaps_gutter: true,
+                    is_buffer_header: block.is_buffer_header(),
+                });
             }
         }
 
@@ -4086,27 +4226,26 @@ impl EditorElement {
 
         {
             let editor = self.editor.read(cx);
-            if editor
-                .edit_prediction_visible_in_cursor_popover(editor.has_active_inline_completion())
+            if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
             {
                 height_above_menu +=
                     editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
                 edit_prediction_popover_visible = true;
             }
 
-            if editor.context_menu_visible() {
-                if let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin() {
-                    let (min_height_in_lines, max_height_in_lines) = editor
-                        .context_menu_options
-                        .as_ref()
-                        .map_or((3, 12), |options| {
-                            (options.min_entries_visible, options.max_entries_visible)
-                        });
+            if editor.context_menu_visible()
+                && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
+            {
+                let (min_height_in_lines, max_height_in_lines) = editor
+                    .context_menu_options
+                    .as_ref()
+                    .map_or((3, 12), |options| {
+                        (options.min_entries_visible, options.max_entries_visible)
+                    });
 
-                    min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
-                    max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
-                    context_menu_visible = true;
-                }
+                min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
+                max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
+                context_menu_visible = true;
             }
             context_menu_placement = editor
                 .context_menu_options
@@ -4618,7 +4757,7 @@ impl EditorElement {
                 }
             };
 
-            let source_included = source_display_point.map_or(true, |source_display_point| {
+            let source_included = source_display_point.is_none_or(|source_display_point| {
                 visible_range
                     .to_inclusive()
                     .contains(&source_display_point.row())
@@ -4798,7 +4937,7 @@ impl EditorElement {
         let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
             context_menu_layout
                 .as_ref()
-                .map_or(false, |menu| bounds.intersects(&menu.bounds))
+                .is_some_and(|menu| bounds.intersects(&menu.bounds))
         };
 
         let can_place_above = {
@@ -4983,7 +5122,7 @@ impl EditorElement {
 
                 if active_positions
                     .iter()
-                    .any(|p| p.map_or(false, |p| display_row_range.contains(&p.row())))
+                    .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
                 {
                     let y = display_row_range.start.as_f32() * line_height
                         + text_hitbox.bounds.top()
@@ -5096,7 +5235,7 @@ impl EditorElement {
         let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
             context_menu_layout
                 .as_ref()
-                .map_or(false, |menu| bounds.intersects(&menu.bounds))
+                .is_some_and(|menu| bounds.intersects(&menu.bounds))
         };
 
         let final_origin = if popover_bounds_above.is_contained_within(hitbox)
@@ -5181,7 +5320,7 @@ impl EditorElement {
                     let mut end_row = start_row.0;
                     while active_rows
                         .peek()
-                        .map_or(false, |(active_row, has_selection)| {
+                        .is_some_and(|(active_row, has_selection)| {
                             active_row.0 == end_row + 1
                                 && has_selection.selection == contains_non_empty_selection.selection
                         })
@@ -5440,9 +5579,9 @@ impl EditorElement {
             // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
             // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
             if is_singleton {
-                window.set_cursor_style(CursorStyle::IBeam, &hitbox);
+                window.set_cursor_style(CursorStyle::IBeam, hitbox);
             } else {
-                window.set_cursor_style(CursorStyle::PointingHand, &hitbox);
+                window.set_cursor_style(CursorStyle::PointingHand, hitbox);
             }
         }
     }
@@ -5461,7 +5600,7 @@ impl EditorElement {
                             &layout.position_map.snapshot,
                             line_height,
                             layout.gutter_hitbox.bounds,
-                            &hunk,
+                            hunk,
                         );
                         Some((
                             hunk_bounds,
@@ -5597,7 +5736,10 @@ impl EditorElement {
                     let end_row_in_current_excerpt = snapshot
                         .blocks_in_range(start_row..end_row)
                         .find_map(|(start_row, block)| {
-                            if matches!(block, Block::ExcerptBoundary { .. }) {
+                            if matches!(
+                                block,
+                                Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
+                            ) {
                                 Some(start_row)
                             } else {
                                 None
@@ -5652,16 +5794,15 @@ impl EditorElement {
         cx: &mut App,
     ) {
         for (_, hunk_hitbox) in &layout.display_hunks {
-            if let Some(hunk_hitbox) = hunk_hitbox {
-                if !self
+            if let Some(hunk_hitbox) = hunk_hitbox
+                && !self
                     .editor
                     .read(cx)
                     .buffer()
                     .read(cx)
                     .all_diff_hunks_expanded()
-                {
-                    window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
-                }
+            {
+                window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
             }
         }
 
@@ -5983,10 +6124,10 @@ impl EditorElement {
 
                     if axis == ScrollbarAxis::Vertical {
                         let fast_markers =
-                            self.collect_fast_scrollbar_markers(layout, &scrollbar_layout, cx);
+                            self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
                         // Refresh slow scrollbar markers in the background. Below, we
                         // paint whatever markers have already been computed.
-                        self.refresh_slow_scrollbar_markers(layout, &scrollbar_layout, window, cx);
+                        self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
 
                         let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
                         for marker in markers.iter().chain(&fast_markers) {
@@ -6020,7 +6161,7 @@ impl EditorElement {
                         if any_scrollbar_dragged {
                             window.set_window_cursor_style(CursorStyle::Arrow);
                         } else {
-                            window.set_cursor_style(CursorStyle::Arrow, &hitbox);
+                            window.set_cursor_style(CursorStyle::Arrow, hitbox);
                         }
                     }
                 })
@@ -6570,25 +6711,23 @@ impl EditorElement {
                                 editor.set_scroll_position(position, window, cx);
                             }
                             cx.stop_propagation();
-                        } else {
-                            if minimap_hitbox.is_hovered(window) {
-                                editor.scroll_manager.set_is_hovering_minimap_thumb(
-                                    !event.dragging()
-                                        && layout
-                                            .thumb_layout
-                                            .thumb_bounds
-                                            .is_some_and(|bounds| bounds.contains(&event.position)),
-                                    cx,
-                                );
+                        } else if minimap_hitbox.is_hovered(window) {
+                            editor.scroll_manager.set_is_hovering_minimap_thumb(
+                                !event.dragging()
+                                    && layout
+                                        .thumb_layout
+                                        .thumb_bounds
+                                        .is_some_and(|bounds| bounds.contains(&event.position)),
+                                cx,
+                            );
 
-                                // Stop hover events from propagating to the
-                                // underlying editor if the minimap hitbox is hovered
-                                if !event.dragging() {
-                                    cx.stop_propagation();
-                                }
-                            } else {
-                                editor.scroll_manager.hide_minimap_thumb(cx);
+                            // Stop hover events from propagating to the
+                            // underlying editor if the minimap hitbox is hovered
+                            if !event.dragging() {
+                                cx.stop_propagation();
                             }
+                        } else {
+                            editor.scroll_manager.hide_minimap_thumb(cx);
                         }
                         mouse_position = event.position;
                     });
@@ -6676,14 +6815,14 @@ impl EditorElement {
         }
     }
 
-    fn paint_inline_completion_popover(
+    fn paint_edit_prediction_popover(
         &mut self,
         layout: &mut EditorLayout,
         window: &mut Window,
         cx: &mut App,
     ) {
-        if let Some(inline_completion_popover) = layout.inline_completion_popover.as_mut() {
-            inline_completion_popover.paint(window, cx);
+        if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
+            edit_prediction_popover.paint(window, cx);
         }
     }
 
@@ -6882,10 +7021,10 @@ impl EditorElement {
                 // Fire click handlers during the bubble phase.
                 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
                     if let Some(mouse_down) = captured_mouse_down.take() {
-                        let event = ClickEvent {
+                        let event = ClickEvent::Mouse(MouseClickEvent {
                             down: mouse_down,
                             up: event.clone(),
-                        };
+                        });
                         Self::click(editor, &event, &position_map, window, cx);
                     }
                 }),
@@ -6967,9 +7106,7 @@ impl EditorElement {
         let unstaged_hollow = ProjectSettings::get_global(cx)
             .git
             .hunk_style
-            .map_or(false, |style| {
-                matches!(style, GitHunkStyleSetting::UnstagedHollow)
-            });
+            .is_some_and(|style| matches!(style, GitHunkStyleSetting::UnstagedHollow));
 
         unstaged == unstaged_hollow
     }
@@ -7103,7 +7240,7 @@ fn render_blame_entry_popover(
 ) -> Option<AnyElement> {
     let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
     let blame = blame.read(cx);
-    let repository = blame.repository(cx)?.clone();
+    let repository = blame.repository(cx)?;
     renderer.render_blame_entry_popover(
         blame_entry,
         scroll_handle,
@@ -7808,7 +7945,7 @@ impl Element for EditorElement {
                         min_lines,
                         max_lines,
                     } => {
-                        let editor_handle = cx.entity().clone();
+                        let editor_handle = cx.entity();
                         let max_line_number_width =
                             self.max_line_number_width(&editor.snapshot(window, cx), window);
                         window.request_measured_layout(
@@ -7999,7 +8136,7 @@ impl Element for EditorElement {
                     // The max scroll position for the top of the window
                     let max_scroll_top = if matches!(
                         snapshot.mode,
-                        EditorMode::SingleLine { .. }
+                        EditorMode::SingleLine
                             | EditorMode::AutoHeight { .. }
                             | EditorMode::Full {
                                 sized_by_content: true,
@@ -8024,12 +8161,20 @@ impl Element for EditorElement {
                         autoscroll_containing_element,
                         needs_horizontal_autoscroll,
                     ) = self.editor.update(cx, |editor, cx| {
-                        let autoscroll_request = editor.autoscroll_request();
+                        let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
+
                         let autoscroll_containing_element =
                             autoscroll_request.is_some() || editor.has_pending_selection();
 
                         let (needs_horizontal_autoscroll, was_scrolled) = editor
-                            .autoscroll_vertically(bounds, line_height, max_scroll_top, window, cx);
+                            .autoscroll_vertically(
+                                bounds,
+                                line_height,
+                                max_scroll_top,
+                                autoscroll_request,
+                                window,
+                                cx,
+                            );
                         if was_scrolled.0 {
                             snapshot = editor.snapshot(window, cx);
                         }
@@ -8058,7 +8203,7 @@ impl Element for EditorElement {
                     let is_row_soft_wrapped = |row: usize| {
                         row_infos
                             .get(row)
-                            .map_or(true, |info| info.buffer_row.is_none())
+                            .is_none_or(|info| info.buffer_row.is_none())
                     };
 
                     let start_anchor = if start_row == Default::default() {
@@ -8351,7 +8496,13 @@ impl Element for EditorElement {
                                 })
                                 .flatten()?;
                             let mut element = render_inline_blame_entry(blame_entry, &style, cx)?;
-                            let inline_blame_padding = INLINE_BLAME_PADDING_EM_WIDTHS * em_advance;
+                            let inline_blame_padding = ProjectSettings::get_global(cx)
+                                .git
+                                .inline_blame
+                                .unwrap_or_default()
+                                .padding
+                                as f32
+                                * em_advance;
                             Some(
                                 element
                                     .layout_as_root(AvailableSpace::min_size(), window, cx)
@@ -8419,7 +8570,11 @@ impl Element for EditorElement {
                         Ok(blocks) => blocks,
                         Err(resized_blocks) => {
                             self.editor.update(cx, |editor, cx| {
-                                editor.resize_blocks(resized_blocks, autoscroll_request, cx)
+                                editor.resize_blocks(
+                                    resized_blocks,
+                                    autoscroll_request.map(|(autoscroll, _)| autoscroll),
+                                    cx,
+                                )
                             });
                             return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
                         }
@@ -8464,6 +8619,7 @@ impl Element for EditorElement {
                                 scroll_width,
                                 em_advance,
                                 &line_layouts,
+                                autoscroll_request,
                                 window,
                                 cx,
                             )
@@ -8501,7 +8657,7 @@ impl Element for EditorElement {
                             )
                         });
 
-                    let (inline_completion_popover, inline_completion_popover_origin) = self
+                    let (edit_prediction_popover, edit_prediction_popover_origin) = self
                         .editor
                         .update(cx, |editor, cx| {
                             editor.render_edit_prediction_popover(
@@ -8530,7 +8686,7 @@ impl Element for EditorElement {
                         &row_block_types,
                         content_origin,
                         scroll_pixel_position,
-                        inline_completion_popover_origin,
+                        edit_prediction_popover_origin,
                         start_row,
                         end_row,
                         line_height,
@@ -8884,7 +9040,7 @@ impl Element for EditorElement {
                             .as_ref()
                             .map(|layout| (layout.bounds, layout.entry.clone())),
                         display_hunks: display_hunks.clone(),
-                        diff_hunk_control_bounds: diff_hunk_control_bounds.clone(),
+                        diff_hunk_control_bounds,
                     });
 
                     self.editor.update(cx, |editor, _| {
@@ -8919,7 +9075,7 @@ impl Element for EditorElement {
                         cursors,
                         visible_cursors,
                         selections,
-                        inline_completion_popover,
+                        edit_prediction_popover,
                         diff_hunk_controls,
                         mouse_context_menu,
                         test_indicators,
@@ -9001,7 +9157,7 @@ impl Element for EditorElement {
 
                     self.paint_minimap(layout, window, cx);
                     self.paint_scrollbars(layout, window, cx);
-                    self.paint_inline_completion_popover(layout, window, cx);
+                    self.paint_edit_prediction_popover(layout, window, cx);
                     self.paint_mouse_context_menu(layout, window, cx);
                 });
             })
@@ -9102,7 +9258,7 @@ pub struct EditorLayout {
     expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
     diff_hunk_controls: Vec<AnyElement>,
     crease_trailers: Vec<Option<CreaseTrailerLayout>>,
-    inline_completion_popover: Option<AnyElement>,
+    edit_prediction_popover: Option<AnyElement>,
     mouse_context_menu: Option<AnyElement>,
     tab_invisible: ShapedLine,
     space_invisible: ShapedLine,
@@ -9582,14 +9738,12 @@ impl PointForPosition {
             false
         } else if start_row == end_row {
             candidate_col >= start_col && candidate_col < end_col
+        } else if candidate_row == start_row {
+            candidate_col >= start_col
+        } else if candidate_row == end_row {
+            candidate_col < end_col
         } else {
-            if candidate_row == start_row {
-                candidate_col >= start_col
-            } else if candidate_row == end_row {
-                candidate_col < end_col
-            } else {
-                true
-            }
+            true
         }
     }
 }
@@ -9654,7 +9808,7 @@ pub fn layout_line(
     let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
     LineWithInvisibles::from_chunks(
         chunks,
-        &style,
+        style,
         MAX_LINE_LEN,
         1,
         &snapshot.mode,
@@ -9771,7 +9925,7 @@ impl CursorLayout {
                 .px_0p5()
                 .line_height(text_size + px(2.))
                 .text_color(cursor_name.color)
-                .child(cursor_name.string.clone())
+                .child(cursor_name.string)
                 .into_any_element();
 
             name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
@@ -10024,10 +10178,10 @@ fn compute_auto_height_layout(
     let overscroll = size(em_width, px(0.));
 
     let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
-    if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None) {
-        if editor.set_wrap_width(Some(editor_width), cx) {
-            snapshot = editor.snapshot(window, cx);
-        }
+    if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
+        && editor.set_wrap_width(Some(editor_width), cx)
+    {
+        snapshot = editor.snapshot(window, cx);
     }
 
     let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
@@ -10059,6 +10213,71 @@ mod tests {
     use std::num::NonZeroU32;
     use util::test::sample_text;
 
+    #[gpui::test]
+    async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
+        init_test(cx, |_| {});
+
+        let window = cx.add_window(|window, cx| {
+            let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
+            let mut editor = Editor::new(
+                EditorMode::AutoHeight {
+                    min_lines: 1,
+                    max_lines: None,
+                },
+                buffer,
+                None,
+                window,
+                cx,
+            );
+            editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
+            editor
+        });
+        let cx = &mut VisualTestContext::from_window(*window, cx);
+        let editor = window.root(cx).unwrap();
+        let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
+
+        for x in 1..=100 {
+            let (_, state) = cx.draw(
+                Default::default(),
+                size(px(200. + 0.13 * x as f32), px(500.)),
+                |_, _| EditorElement::new(&editor, style.clone()),
+            );
+
+            assert!(
+                state.position_map.scroll_max.x == 0.,
+                "Soft wrapped editor should have no horizontal scrolling!"
+            );
+        }
+    }
+
+    #[gpui::test]
+    async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
+        init_test(cx, |_| {});
+
+        let window = cx.add_window(|window, cx| {
+            let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
+            let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
+            editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
+            editor
+        });
+        let cx = &mut VisualTestContext::from_window(*window, cx);
+        let editor = window.root(cx).unwrap();
+        let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
+
+        for x in 1..=100 {
+            let (_, state) = cx.draw(
+                Default::default(),
+                size(px(200. + 0.13 * x as f32), px(500.)),
+                |_, _| EditorElement::new(&editor, style.clone()),
+            );
+
+            assert!(
+                state.position_map.scroll_max.x == 0.,
+                "Soft wrapped editor should have no horizontal scrolling!"
+            );
+        }
+    }
+
     #[gpui::test]
     fn test_shape_line_numbers(cx: &mut TestAppContext) {
         init_test(cx, |_| {});
diff --git a/crates/editor/src/git/blame.rs b/crates/editor/src/git/blame.rs
index fc350a5a15..b11617ccec 100644
--- a/crates/editor/src/git/blame.rs
+++ b/crates/editor/src/git/blame.rs
@@ -213,8 +213,8 @@ impl GitBlame {
         let project_subscription = cx.subscribe(&project, {
             let buffer = buffer.clone();
 
-            move |this, _, event, cx| match event {
-                project::Event::WorktreeUpdatedEntries(_, updated) => {
+            move |this, _, event, cx| {
+                if let project::Event::WorktreeUpdatedEntries(_, updated) = event {
                     let project_entry_id = buffer.read(cx).entry_id(cx);
                     if updated
                         .iter()
@@ -224,7 +224,6 @@ impl GitBlame {
                         this.generate(cx);
                     }
                 }
-                _ => {}
             }
         });
 
@@ -292,7 +291,7 @@ impl GitBlame {
 
         let buffer_id = self.buffer_snapshot.remote_id();
         let mut cursor = self.entries.cursor::<u32>(&());
-        rows.into_iter().map(move |info| {
+        rows.iter().map(move |info| {
             let row = info
                 .buffer_row
                 .filter(|_| info.buffer_id == Some(buffer_id))?;
@@ -312,10 +311,10 @@ impl GitBlame {
                 .as_ref()
                 .and_then(|entry| entry.author.as_ref())
                 .map(|author| author.len());
-            if let Some(author_len) = author_len {
-                if author_len > max_author_length {
-                    max_author_length = author_len;
-                }
+            if let Some(author_len) = author_len
+                && author_len > max_author_length
+            {
+                max_author_length = author_len;
             }
         }
 
@@ -415,21 +414,20 @@ impl GitBlame {
             let old_end = cursor.end();
             if row_edits
                 .peek()
-                .map_or(true, |next_edit| next_edit.old.start >= old_end)
+                .is_none_or(|next_edit| next_edit.old.start >= old_end)
+                && let Some(entry) = cursor.item()
             {
-                if let Some(entry) = cursor.item() {
-                    if old_end > edit.old.end {
-                        new_entries.push(
-                            GitBlameEntry {
-                                rows: cursor.end() - edit.old.end,
-                                blame: entry.blame.clone(),
-                            },
-                            &(),
-                        );
-                    }
-
-                    cursor.next();
+                if old_end > edit.old.end {
+                    new_entries.push(
+                        GitBlameEntry {
+                            rows: cursor.end() - edit.old.end,
+                            blame: entry.blame.clone(),
+                        },
+                        &(),
+                    );
                 }
+
+                cursor.next();
             }
         }
         new_entries.append(cursor.suffix(), &());
diff --git a/crates/editor/src/highlight_matching_bracket.rs b/crates/editor/src/highlight_matching_bracket.rs
index e38197283d..aa4e616924 100644
--- a/crates/editor/src/highlight_matching_bracket.rs
+++ b/crates/editor/src/highlight_matching_bracket.rs
@@ -1,6 +1,7 @@
 use crate::{Editor, RangeToAnchorExt};
-use gpui::{Context, Window};
+use gpui::{Context, HighlightStyle, Window};
 use language::CursorShape;
+use theme::ActiveTheme;
 
 enum MatchingBracketHighlight {}
 
@@ -9,7 +10,7 @@ pub fn refresh_matching_bracket_highlights(
     window: &mut Window,
     cx: &mut Context<Editor>,
 ) {
-    editor.clear_background_highlights::<MatchingBracketHighlight>(cx);
+    editor.clear_highlights::<MatchingBracketHighlight>(cx);
 
     let newest_selection = editor.selections.newest::<usize>(cx);
     // Don't highlight brackets if the selection isn't empty
@@ -35,12 +36,19 @@ pub fn refresh_matching_bracket_highlights(
         .buffer_snapshot
         .innermost_enclosing_bracket_ranges(head..tail, None)
     {
-        editor.highlight_background::<MatchingBracketHighlight>(
-            &[
+        editor.highlight_text::<MatchingBracketHighlight>(
+            vec![
                 opening_range.to_anchors(&snapshot.buffer_snapshot),
                 closing_range.to_anchors(&snapshot.buffer_snapshot),
             ],
-            |theme| theme.colors().editor_document_highlight_bracket_background,
+            HighlightStyle {
+                background_color: Some(
+                    cx.theme()
+                        .colors()
+                        .editor_document_highlight_bracket_background,
+                ),
+                ..Default::default()
+            },
             cx,
         )
     }
@@ -104,7 +112,7 @@ mod tests {
                 another_test(1, 2, 3);
             }
         "#});
-        cx.assert_editor_background_highlights::<MatchingBracketHighlight>(indoc! {r#"
+        cx.assert_editor_text_highlights::<MatchingBracketHighlight>(indoc! {r#"
             pub fn test«(»"Test argument"«)» {
                 another_test(1, 2, 3);
             }
@@ -115,7 +123,7 @@ mod tests {
                 another_test(1, ˇ2, 3);
             }
         "#});
-        cx.assert_editor_background_highlights::<MatchingBracketHighlight>(indoc! {r#"
+        cx.assert_editor_text_highlights::<MatchingBracketHighlight>(indoc! {r#"
             pub fn test("Test argument") {
                 another_test«(»1, 2, 3«)»;
             }
@@ -126,7 +134,7 @@ mod tests {
                 anotherˇ_test(1, 2, 3);
             }
         "#});
-        cx.assert_editor_background_highlights::<MatchingBracketHighlight>(indoc! {r#"
+        cx.assert_editor_text_highlights::<MatchingBracketHighlight>(indoc! {r#"
             pub fn test("Test argument") «{»
                 another_test(1, 2, 3);
             «}»
@@ -138,7 +146,7 @@ mod tests {
                 another_test(1, 2, 3);
             }
         "#});
-        cx.assert_editor_background_highlights::<MatchingBracketHighlight>(indoc! {r#"
+        cx.assert_editor_text_highlights::<MatchingBracketHighlight>(indoc! {r#"
             pub fn test("Test argument") {
                 another_test(1, 2, 3);
             }
@@ -150,8 +158,8 @@ mod tests {
                 another_test(1, 2, 3);
             }
         "#});
-        cx.assert_editor_background_highlights::<MatchingBracketHighlight>(indoc! {r#"
-            pub fn test("Test argument") {
+        cx.assert_editor_text_highlights::<MatchingBracketHighlight>(indoc! {r#"
+            pub fn test«("Test argument") {
                 another_test(1, 2, 3);
             }
         "#});
diff --git a/crates/editor/src/hover_links.rs b/crates/editor/src/hover_links.rs
index 02f93e6829..94f49f601a 100644
--- a/crates/editor/src/hover_links.rs
+++ b/crates/editor/src/hover_links.rs
@@ -271,7 +271,7 @@ impl Editor {
             Task::ready(Ok(Navigated::No))
         };
         self.select(SelectPhase::End, window, cx);
-        return navigate_task;
+        navigate_task
     }
 }
 
@@ -321,7 +321,10 @@ pub fn update_inlay_link_and_hover_points(
             if let Some(cached_hint) = inlay_hint_cache.hint_by_id(excerpt_id, hovered_hint.id) {
                 match cached_hint.resolve_state {
                     ResolveState::CanResolve(_, _) => {
-                        if let Some(buffer_id) = previous_valid_anchor.buffer_id {
+                        if let Some(buffer_id) = snapshot
+                            .buffer_snapshot
+                            .buffer_id_for_anchor(previous_valid_anchor)
+                        {
                             inlay_hint_cache.spawn_hint_resolve(
                                 buffer_id,
                                 excerpt_id,
@@ -418,24 +421,22 @@ pub fn update_inlay_link_and_hover_points(
                                     }
                                     if let Some((language_server_id, location)) =
                                         hovered_hint_part.location
+                                        && secondary_held
+                                        && !editor.has_pending_nonempty_selection()
                                     {
-                                        if secondary_held
-                                            && !editor.has_pending_nonempty_selection()
-                                        {
-                                            go_to_definition_updated = true;
-                                            show_link_definition(
-                                                shift_held,
-                                                editor,
-                                                TriggerPoint::InlayHint(
-                                                    highlight,
-                                                    location,
-                                                    language_server_id,
-                                                ),
-                                                snapshot,
-                                                window,
-                                                cx,
-                                            );
-                                        }
+                                        go_to_definition_updated = true;
+                                        show_link_definition(
+                                            shift_held,
+                                            editor,
+                                            TriggerPoint::InlayHint(
+                                                highlight,
+                                                location,
+                                                language_server_id,
+                                            ),
+                                            snapshot,
+                                            window,
+                                            cx,
+                                        );
                                     }
                                 }
                             }
@@ -561,7 +562,7 @@ pub fn show_link_definition(
                             provider.definitions(&buffer, buffer_position, preferred_kind, cx)
                         })?;
                         if let Some(task) = task {
-                            task.await.ok().map(|definition_result| {
+                            task.await.ok().flatten().map(|definition_result| {
                                 (
                                     definition_result.iter().find_map(|link| {
                                         link.origin.as_ref().and_then(|origin| {
@@ -657,11 +658,11 @@ pub fn show_link_definition(
 pub(crate) fn find_url(
     buffer: &Entity<language::Buffer>,
     position: text::Anchor,
-    mut cx: AsyncWindowContext,
+    cx: AsyncWindowContext,
 ) -> Option<(Range<text::Anchor>, String)> {
     const LIMIT: usize = 2048;
 
-    let Ok(snapshot) = buffer.read_with(&mut cx, |buffer, _| buffer.snapshot()) else {
+    let Ok(snapshot) = buffer.read_with(&cx, |buffer, _| buffer.snapshot()) else {
         return None;
     };
 
@@ -719,11 +720,11 @@ pub(crate) fn find_url(
 pub(crate) fn find_url_from_range(
     buffer: &Entity<language::Buffer>,
     range: Range<text::Anchor>,
-    mut cx: AsyncWindowContext,
+    cx: AsyncWindowContext,
 ) -> Option<String> {
     const LIMIT: usize = 2048;
 
-    let Ok(snapshot) = buffer.read_with(&mut cx, |buffer, _| buffer.snapshot()) else {
+    let Ok(snapshot) = buffer.read_with(&cx, |buffer, _| buffer.snapshot()) else {
         return None;
     };
 
@@ -766,10 +767,11 @@ pub(crate) fn find_url_from_range(
     let mut finder = LinkFinder::new();
     finder.kinds(&[LinkKind::Url]);
 
-    if let Some(link) = finder.links(&text).next() {
-        if link.start() == 0 && link.end() == text.len() {
-            return Some(link.as_str().to_string());
-        }
+    if let Some(link) = finder.links(&text).next()
+        && link.start() == 0
+        && link.end() == text.len()
+    {
+        return Some(link.as_str().to_string());
     }
 
     None
@@ -794,7 +796,7 @@ pub(crate) async fn find_file(
     ) -> Option<ResolvedPath> {
         project
             .update(cx, |project, cx| {
-                project.resolve_path_in_buffer(&candidate_file_path, buffer, cx)
+                project.resolve_path_in_buffer(candidate_file_path, buffer, cx)
             })
             .ok()?
             .await
@@ -872,7 +874,7 @@ fn surrounding_filename(
         .peekable();
     while let Some(ch) = forwards.next() {
         // Skip escaped whitespace
-        if ch == '\\' && forwards.peek().map_or(false, |ch| ch.is_whitespace()) {
+        if ch == '\\' && forwards.peek().is_some_and(|ch| ch.is_whitespace()) {
             token_end += ch.len_utf8();
             let whitespace = forwards.next().unwrap();
             token_end += whitespace.len_utf8();
diff --git a/crates/editor/src/hover_popover.rs b/crates/editor/src/hover_popover.rs
index bda229e346..fab5345787 100644
--- a/crates/editor/src/hover_popover.rs
+++ b/crates/editor/src/hover_popover.rs
@@ -142,11 +142,11 @@ pub fn hover_at_inlay(
             .info_popovers
             .iter()
             .any(|InfoPopover { symbol_range, .. }| {
-                if let RangeInEditor::Inlay(range) = symbol_range {
-                    if range == &inlay_hover.range {
-                        // Hover triggered from same location as last time. Don't show again.
-                        return true;
-                    }
+                if let RangeInEditor::Inlay(range) = symbol_range
+                    && range == &inlay_hover.range
+                {
+                    // Hover triggered from same location as last time. Don't show again.
+                    return true;
                 }
                 false
             })
@@ -167,17 +167,16 @@ pub fn hover_at_inlay(
 
                 let language_registry = project.read_with(cx, |p, _| p.languages().clone())?;
                 let blocks = vec![inlay_hover.tooltip];
-                let parsed_content = parse_blocks(&blocks, &language_registry, None, cx).await;
+                let parsed_content =
+                    parse_blocks(&blocks, Some(&language_registry), None, cx).await;
 
                 let scroll_handle = ScrollHandle::new();
 
                 let subscription = this
                     .update(cx, |_, cx| {
-                        if let Some(parsed_content) = &parsed_content {
-                            Some(cx.observe(parsed_content, |_, _, cx| cx.notify()))
-                        } else {
-                            None
-                        }
+                        parsed_content.as_ref().map(|parsed_content| {
+                            cx.observe(parsed_content, |_, _, cx| cx.notify())
+                        })
                     })
                     .ok()
                     .flatten();
@@ -251,7 +250,9 @@ fn show_hover(
 
     let (excerpt_id, _, _) = editor.buffer().read(cx).excerpt_containing(anchor, cx)?;
 
-    let language_registry = editor.project.as_ref()?.read(cx).languages().clone();
+    let language_registry = editor
+        .project()
+        .map(|project| project.read(cx).languages().clone());
     let provider = editor.semantics_provider.clone()?;
 
     if !ignore_timeout {
@@ -267,13 +268,12 @@ fn show_hover(
     }
 
     // Don't request again if the location is the same as the previous request
-    if let Some(triggered_from) = &editor.hover_state.triggered_from {
-        if triggered_from
+    if let Some(triggered_from) = &editor.hover_state.triggered_from
+        && triggered_from
             .cmp(&anchor, &snapshot.buffer_snapshot)
             .is_eq()
-        {
-            return None;
-        }
+    {
+        return None;
     }
 
     let hover_popover_delay = EditorSettings::get_global(cx).hover_popover_delay;
@@ -428,7 +428,7 @@ fn show_hover(
             };
 
             let hovers_response = if let Some(hover_request) = hover_request {
-                hover_request.await
+                hover_request.await.unwrap_or_default()
             } else {
                 Vec::new()
             };
@@ -443,15 +443,14 @@ fn show_hover(
                     text: format!("Unicode character U+{:02X}", invisible as u32),
                     kind: HoverBlockKind::PlainText,
                 }];
-                let parsed_content = parse_blocks(&blocks, &language_registry, None, cx).await;
+                let parsed_content =
+                    parse_blocks(&blocks, language_registry.as_ref(), None, cx).await;
                 let scroll_handle = ScrollHandle::new();
                 let subscription = this
                     .update(cx, |_, cx| {
-                        if let Some(parsed_content) = &parsed_content {
-                            Some(cx.observe(parsed_content, |_, _, cx| cx.notify()))
-                        } else {
-                            None
-                        }
+                        parsed_content.as_ref().map(|parsed_content| {
+                            cx.observe(parsed_content, |_, _, cx| cx.notify())
+                        })
                     })
                     .ok()
                     .flatten();
@@ -493,16 +492,15 @@ fn show_hover(
 
                 let blocks = hover_result.contents;
                 let language = hover_result.language;
-                let parsed_content = parse_blocks(&blocks, &language_registry, language, cx).await;
+                let parsed_content =
+                    parse_blocks(&blocks, language_registry.as_ref(), language, cx).await;
                 let scroll_handle = ScrollHandle::new();
                 hover_highlights.push(range.clone());
                 let subscription = this
                     .update(cx, |_, cx| {
-                        if let Some(parsed_content) = &parsed_content {
-                            Some(cx.observe(parsed_content, |_, _, cx| cx.notify()))
-                        } else {
-                            None
-                        }
+                        parsed_content.as_ref().map(|parsed_content| {
+                            cx.observe(parsed_content, |_, _, cx| cx.notify())
+                        })
                     })
                     .ok()
                     .flatten();
@@ -583,7 +581,7 @@ fn same_diagnostic_hover(editor: &Editor, snapshot: &EditorSnapshot, anchor: Anc
 
 async fn parse_blocks(
     blocks: &[HoverBlock],
-    language_registry: &Arc<LanguageRegistry>,
+    language_registry: Option<&Arc<LanguageRegistry>>,
     language: Option<Arc<Language>>,
     cx: &mut AsyncWindowContext,
 ) -> Option<Entity<Markdown>> {
@@ -599,18 +597,15 @@ async fn parse_blocks(
         })
         .join("\n\n");
 
-    let rendered_block = cx
-        .new_window_entity(|_window, cx| {
-            Markdown::new(
-                combined_text.into(),
-                Some(language_registry.clone()),
-                language.map(|language| language.name()),
-                cx,
-            )
-        })
-        .ok();
-
-    rendered_block
+    cx.new_window_entity(|_window, cx| {
+        Markdown::new(
+            combined_text.into(),
+            language_registry.cloned(),
+            language.map(|language| language.name()),
+            cx,
+        )
+    })
+    .ok()
 }
 
 pub fn hover_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
@@ -622,7 +617,7 @@ pub fn hover_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
 
     let mut base_text_style = window.text_style();
     base_text_style.refine(&TextStyleRefinement {
-        font_family: Some(ui_font_family.clone()),
+        font_family: Some(ui_font_family),
         font_fallbacks: ui_font_fallbacks,
         color: Some(cx.theme().colors().editor_foreground),
         ..Default::default()
@@ -671,7 +666,7 @@ pub fn diagnostics_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
 
     let mut base_text_style = window.text_style();
     base_text_style.refine(&TextStyleRefinement {
-        font_family: Some(ui_font_family.clone()),
+        font_family: Some(ui_font_family),
         font_fallbacks: ui_font_fallbacks,
         color: Some(cx.theme().colors().editor_foreground),
         ..Default::default()
@@ -712,59 +707,54 @@ pub fn diagnostics_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
 }
 
 pub fn open_markdown_url(link: SharedString, window: &mut Window, cx: &mut App) {
-    if let Ok(uri) = Url::parse(&link) {
-        if uri.scheme() == "file" {
-            if let Some(workspace) = window.root::<Workspace>().flatten() {
-                workspace.update(cx, |workspace, cx| {
-                    let task = workspace.open_abs_path(
-                        PathBuf::from(uri.path()),
-                        OpenOptions {
-                            visible: Some(OpenVisible::None),
-                            ..Default::default()
-                        },
-                        window,
-                        cx,
-                    );
+    if let Ok(uri) = Url::parse(&link)
+        && uri.scheme() == "file"
+        && let Some(workspace) = window.root::<Workspace>().flatten()
+    {
+        workspace.update(cx, |workspace, cx| {
+            let task = workspace.open_abs_path(
+                PathBuf::from(uri.path()),
+                OpenOptions {
+                    visible: Some(OpenVisible::None),
+                    ..Default::default()
+                },
+                window,
+                cx,
+            );
 
-                    cx.spawn_in(window, async move |_, cx| {
-                        let item = task.await?;
-                        // Ruby LSP uses URLs with #L1,1-4,4
-                        // we'll just take the first number and assume it's a line number
-                        let Some(fragment) = uri.fragment() else {
-                            return anyhow::Ok(());
-                        };
-                        let mut accum = 0u32;
-                        for c in fragment.chars() {
-                            if c >= '0' && c <= '9' && accum < u32::MAX / 2 {
-                                accum *= 10;
-                                accum += c as u32 - '0' as u32;
-                            } else if accum > 0 {
-                                break;
-                            }
-                        }
-                        if accum == 0 {
-                            return Ok(());
-                        }
-                        let Some(editor) = cx.update(|_, cx| item.act_as::<Editor>(cx))? else {
-                            return Ok(());
-                        };
-                        editor.update_in(cx, |editor, window, cx| {
-                            editor.change_selections(
-                                Default::default(),
-                                window,
-                                cx,
-                                |selections| {
-                                    selections.select_ranges([text::Point::new(accum - 1, 0)
-                                        ..text::Point::new(accum - 1, 0)]);
-                                },
-                            );
-                        })
-                    })
-                    .detach_and_log_err(cx);
-                });
-                return;
-            }
-        }
+            cx.spawn_in(window, async move |_, cx| {
+                let item = task.await?;
+                // Ruby LSP uses URLs with #L1,1-4,4
+                // we'll just take the first number and assume it's a line number
+                let Some(fragment) = uri.fragment() else {
+                    return anyhow::Ok(());
+                };
+                let mut accum = 0u32;
+                for c in fragment.chars() {
+                    if c >= '0' && c <= '9' && accum < u32::MAX / 2 {
+                        accum *= 10;
+                        accum += c as u32 - '0' as u32;
+                    } else if accum > 0 {
+                        break;
+                    }
+                }
+                if accum == 0 {
+                    return Ok(());
+                }
+                let Some(editor) = cx.update(|_, cx| item.act_as::<Editor>(cx))? else {
+                    return Ok(());
+                };
+                editor.update_in(cx, |editor, window, cx| {
+                    editor.change_selections(Default::default(), window, cx, |selections| {
+                        selections.select_ranges([
+                            text::Point::new(accum - 1, 0)..text::Point::new(accum - 1, 0)
+                        ]);
+                    });
+                })
+            })
+            .detach_and_log_err(cx);
+        });
+        return;
     }
     cx.open_url(&link);
 }
@@ -834,21 +824,20 @@ impl HoverState {
     pub fn focused(&self, window: &mut Window, cx: &mut Context<Editor>) -> bool {
         let mut hover_popover_is_focused = false;
         for info_popover in &self.info_popovers {
-            if let Some(markdown_view) = &info_popover.parsed_content {
-                if markdown_view.focus_handle(cx).is_focused(window) {
-                    hover_popover_is_focused = true;
-                }
-            }
-        }
-        if let Some(diagnostic_popover) = &self.diagnostic_popover {
-            if diagnostic_popover
-                .markdown
-                .focus_handle(cx)
-                .is_focused(window)
+            if let Some(markdown_view) = &info_popover.parsed_content
+                && markdown_view.focus_handle(cx).is_focused(window)
             {
                 hover_popover_is_focused = true;
             }
         }
+        if let Some(diagnostic_popover) = &self.diagnostic_popover
+            && diagnostic_popover
+                .markdown
+                .focus_handle(cx)
+                .is_focused(window)
+        {
+            hover_popover_is_focused = true;
+        }
         hover_popover_is_focused
     }
 }
diff --git a/crates/editor/src/indent_guides.rs b/crates/editor/src/indent_guides.rs
index f6d51c929a..23717eeb15 100644
--- a/crates/editor/src/indent_guides.rs
+++ b/crates/editor/src/indent_guides.rs
@@ -164,15 +164,15 @@ pub fn indent_guides_in_range(
     let end_anchor = snapshot.buffer_snapshot.anchor_after(end_offset);
 
     let mut fold_ranges = Vec::<Range<Point>>::new();
-    let mut folds = snapshot.folds_in_range(start_offset..end_offset).peekable();
-    while let Some(fold) = folds.next() {
+    let folds = snapshot.folds_in_range(start_offset..end_offset).peekable();
+    for fold in folds {
         let start = fold.range.start.to_point(&snapshot.buffer_snapshot);
         let end = fold.range.end.to_point(&snapshot.buffer_snapshot);
-        if let Some(last_range) = fold_ranges.last_mut() {
-            if last_range.end >= start {
-                last_range.end = last_range.end.max(end);
-                continue;
-            }
+        if let Some(last_range) = fold_ranges.last_mut()
+            && last_range.end >= start
+        {
+            last_range.end = last_range.end.max(end);
+            continue;
         }
         fold_ranges.push(start..end);
     }
diff --git a/crates/editor/src/inlay_hint_cache.rs b/crates/editor/src/inlay_hint_cache.rs
index db01cc7ad1..dbf5ac95b7 100644
--- a/crates/editor/src/inlay_hint_cache.rs
+++ b/crates/editor/src/inlay_hint_cache.rs
@@ -475,10 +475,7 @@ impl InlayHintCache {
             let excerpt_cached_hints = excerpt_cached_hints.read();
             let mut excerpt_cache = excerpt_cached_hints.ordered_hints.iter().fuse().peekable();
             shown_excerpt_hints_to_remove.retain(|(shown_anchor, shown_hint_id)| {
-                let Some(buffer) = shown_anchor
-                    .buffer_id
-                    .and_then(|buffer_id| multi_buffer.buffer(buffer_id))
-                else {
+                let Some(buffer) = multi_buffer.buffer_for_anchor(*shown_anchor, cx) else {
                     return false;
                 };
                 let buffer_snapshot = buffer.read(cx).snapshot();
@@ -498,16 +495,14 @@ impl InlayHintCache {
                                 cmp::Ordering::Less | cmp::Ordering::Equal => {
                                     if !old_kinds.contains(&cached_hint.kind)
                                         && new_kinds.contains(&cached_hint.kind)
-                                    {
-                                        if let Some(anchor) = multi_buffer_snapshot
+                                        && let Some(anchor) = multi_buffer_snapshot
                                             .anchor_in_excerpt(*excerpt_id, cached_hint.position)
-                                        {
-                                            to_insert.push(Inlay::hint(
-                                                cached_hint_id.id(),
-                                                anchor,
-                                                cached_hint,
-                                            ));
-                                        }
+                                    {
+                                        to_insert.push(Inlay::hint(
+                                            cached_hint_id.id(),
+                                            anchor,
+                                            cached_hint,
+                                        ));
                                     }
                                     excerpt_cache.next();
                                 }
@@ -522,16 +517,16 @@ impl InlayHintCache {
             for cached_hint_id in excerpt_cache {
                 let maybe_missed_cached_hint = &excerpt_cached_hints.hints_by_id[cached_hint_id];
                 let cached_hint_kind = maybe_missed_cached_hint.kind;
-                if !old_kinds.contains(&cached_hint_kind) && new_kinds.contains(&cached_hint_kind) {
-                    if let Some(anchor) = multi_buffer_snapshot
+                if !old_kinds.contains(&cached_hint_kind)
+                    && new_kinds.contains(&cached_hint_kind)
+                    && let Some(anchor) = multi_buffer_snapshot
                         .anchor_in_excerpt(*excerpt_id, maybe_missed_cached_hint.position)
-                    {
-                        to_insert.push(Inlay::hint(
-                            cached_hint_id.id(),
-                            anchor,
-                            maybe_missed_cached_hint,
-                        ));
-                    }
+                {
+                    to_insert.push(Inlay::hint(
+                        cached_hint_id.id(),
+                        anchor,
+                        maybe_missed_cached_hint,
+                    ));
                 }
             }
         }
@@ -620,44 +615,44 @@ impl InlayHintCache {
     ) {
         if let Some(excerpt_hints) = self.hints.get(&excerpt_id) {
             let mut guard = excerpt_hints.write();
-            if let Some(cached_hint) = guard.hints_by_id.get_mut(&id) {
-                if let ResolveState::CanResolve(server_id, _) = &cached_hint.resolve_state {
-                    let hint_to_resolve = cached_hint.clone();
-                    let server_id = *server_id;
-                    cached_hint.resolve_state = ResolveState::Resolving;
-                    drop(guard);
-                    cx.spawn_in(window, async move |editor, cx| {
-                        let resolved_hint_task = editor.update(cx, |editor, cx| {
-                            let buffer = editor.buffer().read(cx).buffer(buffer_id)?;
-                            editor.semantics_provider.as_ref()?.resolve_inlay_hint(
-                                hint_to_resolve,
-                                buffer,
-                                server_id,
-                                cx,
-                            )
-                        })?;
-                        if let Some(resolved_hint_task) = resolved_hint_task {
-                            let mut resolved_hint =
-                                resolved_hint_task.await.context("hint resolve task")?;
-                            editor.read_with(cx, |editor, _| {
-                                if let Some(excerpt_hints) =
-                                    editor.inlay_hint_cache.hints.get(&excerpt_id)
+            if let Some(cached_hint) = guard.hints_by_id.get_mut(&id)
+                && let ResolveState::CanResolve(server_id, _) = &cached_hint.resolve_state
+            {
+                let hint_to_resolve = cached_hint.clone();
+                let server_id = *server_id;
+                cached_hint.resolve_state = ResolveState::Resolving;
+                drop(guard);
+                cx.spawn_in(window, async move |editor, cx| {
+                    let resolved_hint_task = editor.update(cx, |editor, cx| {
+                        let buffer = editor.buffer().read(cx).buffer(buffer_id)?;
+                        editor.semantics_provider.as_ref()?.resolve_inlay_hint(
+                            hint_to_resolve,
+                            buffer,
+                            server_id,
+                            cx,
+                        )
+                    })?;
+                    if let Some(resolved_hint_task) = resolved_hint_task {
+                        let mut resolved_hint =
+                            resolved_hint_task.await.context("hint resolve task")?;
+                        editor.read_with(cx, |editor, _| {
+                            if let Some(excerpt_hints) =
+                                editor.inlay_hint_cache.hints.get(&excerpt_id)
+                            {
+                                let mut guard = excerpt_hints.write();
+                                if let Some(cached_hint) = guard.hints_by_id.get_mut(&id)
+                                    && cached_hint.resolve_state == ResolveState::Resolving
                                 {
-                                    let mut guard = excerpt_hints.write();
-                                    if let Some(cached_hint) = guard.hints_by_id.get_mut(&id) {
-                                        if cached_hint.resolve_state == ResolveState::Resolving {
-                                            resolved_hint.resolve_state = ResolveState::Resolved;
-                                            *cached_hint = resolved_hint;
-                                        }
-                                    }
+                                    resolved_hint.resolve_state = ResolveState::Resolved;
+                                    *cached_hint = resolved_hint;
                                 }
-                            })?;
-                        }
+                            }
+                        })?;
+                    }
 
-                        anyhow::Ok(())
-                    })
-                    .detach_and_log_err(cx);
-                }
+                    anyhow::Ok(())
+                })
+                .detach_and_log_err(cx);
             }
         }
     }
@@ -990,8 +985,8 @@ fn fetch_and_update_hints(
 
                 let buffer = editor.buffer().read(cx).buffer(query.buffer_id)?;
 
-                if !editor.registered_buffers.contains_key(&query.buffer_id) {
-                    if let Some(project) = editor.project.as_ref() {
+                if !editor.registered_buffers.contains_key(&query.buffer_id)
+                    && let Some(project) = editor.project.as_ref() {
                         project.update(cx, |project, cx| {
                             editor.registered_buffers.insert(
                                 query.buffer_id,
@@ -999,7 +994,6 @@ fn fetch_and_update_hints(
                             );
                         })
                     }
-                }
 
                 editor
                     .semantics_provider
@@ -1240,14 +1234,12 @@ fn apply_hint_update(
             .inlay_hint_cache
             .allowed_hint_kinds
             .contains(&new_hint.kind)
-        {
-            if let Some(new_hint_position) =
+            && let Some(new_hint_position) =
                 multi_buffer_snapshot.anchor_in_excerpt(query.excerpt_id, new_hint.position)
-            {
-                splice
-                    .to_insert
-                    .push(Inlay::hint(new_inlay_id, new_hint_position, &new_hint));
-            }
+        {
+            splice
+                .to_insert
+                .push(Inlay::hint(new_inlay_id, new_hint_position, &new_hint));
         }
         let new_id = InlayId::Hint(new_inlay_id);
         cached_excerpt_hints.hints_by_id.insert(new_id, new_hint);
@@ -3546,7 +3538,7 @@ pub mod tests {
             let excerpt_hints = excerpt_hints.read();
             for id in &excerpt_hints.ordered_hints {
                 let hint = &excerpt_hints.hints_by_id[id];
-                let mut label = hint.text();
+                let mut label = hint.text().to_string();
                 if hint.padding_left {
                     label.insert(0, ' ');
                 }
diff --git a/crates/editor/src/items.rs b/crates/editor/src/items.rs
index ca635a2132..b7110190fd 100644
--- a/crates/editor/src/items.rs
+++ b/crates/editor/src/items.rs
@@ -1,7 +1,7 @@
 use crate::{
     Anchor, Autoscroll, Editor, EditorEvent, EditorSettings, ExcerptId, ExcerptRange, FormatTarget,
-    MultiBuffer, MultiBufferSnapshot, NavigationData, SearchWithinRange, SelectionEffects,
-    ToPoint as _,
+    MultiBuffer, MultiBufferSnapshot, NavigationData, ReportEditorEvent, SearchWithinRange,
+    SelectionEffects, ToPoint as _,
     display_map::HighlightKey,
     editor_settings::SeedQuerySetting,
     persistence::{DB, SerializedEditor},
@@ -42,6 +42,7 @@ use ui::{IconDecorationKind, prelude::*};
 use util::{ResultExt, TryFutureExt, paths::PathExt};
 use workspace::{
     CollaboratorId, ItemId, ItemNavHistory, ToolbarItemLocation, ViewId, Workspace, WorkspaceId,
+    invalid_buffer_view::InvalidBufferView,
     item::{FollowableItem, Item, ItemEvent, ProjectItem, SaveOptions},
     searchable::{Direction, SearchEvent, SearchableItem, SearchableItemHandle},
 };
@@ -103,9 +104,9 @@ impl FollowableItem for Editor {
                         multibuffer = MultiBuffer::new(project.read(cx).capability());
                         let mut sorted_excerpts = state.excerpts.clone();
                         sorted_excerpts.sort_by_key(|e| e.id);
-                        let mut sorted_excerpts = sorted_excerpts.into_iter().peekable();
+                        let sorted_excerpts = sorted_excerpts.into_iter().peekable();
 
-                        while let Some(excerpt) = sorted_excerpts.next() {
+                        for excerpt in sorted_excerpts {
                             let Ok(buffer_id) = BufferId::new(excerpt.buffer_id) else {
                                 continue;
                             };
@@ -201,7 +202,7 @@ impl FollowableItem for Editor {
         if buffer
             .as_singleton()
             .and_then(|buffer| buffer.read(cx).file())
-            .map_or(false, |file| file.is_private())
+            .is_some_and(|file| file.is_private())
         {
             return None;
         }
@@ -293,7 +294,7 @@ impl FollowableItem for Editor {
                 EditorEvent::ExcerptsRemoved { ids, .. } => {
                     update
                         .deleted_excerpts
-                        .extend(ids.iter().map(ExcerptId::to_proto));
+                        .extend(ids.iter().copied().map(ExcerptId::to_proto));
                     true
                 }
                 EditorEvent::ScrollPositionChanged { autoscroll, .. } if !autoscroll => {
@@ -524,8 +525,8 @@ fn serialize_selection(
 ) -> proto::Selection {
     proto::Selection {
         id: selection.id as u64,
-        start: Some(serialize_anchor(&selection.start, &buffer)),
-        end: Some(serialize_anchor(&selection.end, &buffer)),
+        start: Some(serialize_anchor(&selection.start, buffer)),
+        end: Some(serialize_anchor(&selection.end, buffer)),
         reversed: selection.reversed,
     }
 }
@@ -654,6 +655,10 @@ impl Item for Editor {
         }
     }
 
+    fn suggested_filename(&self, cx: &App) -> SharedString {
+        self.buffer.read(cx).title(cx).to_string().into()
+    }
+
     fn tab_icon(&self, _: &Window, cx: &App) -> Option<Icon> {
         ItemSettings::get_global(cx)
             .file_icons
@@ -674,7 +679,7 @@ impl Item for Editor {
                     let buffer = buffer.read(cx);
                     let path = buffer.project_path(cx)?;
                     let buffer_id = buffer.remote_id();
-                    let project = self.project.as_ref()?.read(cx);
+                    let project = self.project()?.read(cx);
                     let entry = project.entry_for_path(&path, cx)?;
                     let (repo, repo_path) = project
                         .git_store()
@@ -711,7 +716,7 @@ impl Item for Editor {
             .read(cx)
             .as_singleton()
             .and_then(|buffer| buffer.read(cx).file())
-            .map_or(false, |file| file.disk_state() == DiskState::Deleted);
+            .is_some_and(|file| file.disk_state() == DiskState::Deleted);
 
         h_flex()
             .gap_2()
@@ -776,6 +781,10 @@ impl Item for Editor {
         }
     }
 
+    fn on_removed(&self, cx: &App) {
+        self.report_editor_event(ReportEditorEvent::Closed, None, cx);
+    }
+
     fn deactivated(&mut self, _: &mut Window, cx: &mut Context<Self>) {
         let selection = self.selections.newest_anchor();
         self.push_to_nav_history(selection.head(), None, true, false, cx);
@@ -815,9 +824,9 @@ impl Item for Editor {
     ) -> Task<Result<()>> {
         // Add meta data tracking # of auto saves
         if options.autosave {
-            self.report_editor_event("Editor Autosaved", None, cx);
+            self.report_editor_event(ReportEditorEvent::Saved { auto_saved: true }, None, cx);
         } else {
-            self.report_editor_event("Editor Saved", None, cx);
+            self.report_editor_event(ReportEditorEvent::Saved { auto_saved: false }, None, cx);
         }
 
         let buffers = self.buffer().clone().read(cx).all_buffers();
@@ -896,7 +905,11 @@ impl Item for Editor {
             .path
             .extension()
             .map(|a| a.to_string_lossy().to_string());
-        self.report_editor_event("Editor Saved", file_extension, cx);
+        self.report_editor_event(
+            ReportEditorEvent::Saved { auto_saved: false },
+            file_extension,
+            cx,
+        );
 
         project.update(cx, |project, cx| project.save_buffer_as(buffer, path, cx))
     }
@@ -918,10 +931,10 @@ impl Item for Editor {
             })?;
             buffer
                 .update(cx, |buffer, cx| {
-                    if let Some(transaction) = transaction {
-                        if !buffer.is_singleton() {
-                            buffer.push_transaction(&transaction.0, cx);
-                        }
+                    if let Some(transaction) = transaction
+                        && !buffer.is_singleton()
+                    {
+                        buffer.push_transaction(&transaction.0, cx);
                     }
                 })
                 .ok();
@@ -997,8 +1010,8 @@ impl Item for Editor {
     ) {
         self.workspace = Some((workspace.weak_handle(), workspace.database_id()));
         if let Some(workspace) = &workspace.weak_handle().upgrade() {
-            cx.subscribe(&workspace, |editor, _, event: &workspace::Event, _cx| {
-                if matches!(event, workspace::Event::ModalOpened) {
+            cx.subscribe(workspace, |editor, _, event: &workspace::Event, _cx| {
+                if let workspace::Event::ModalOpened = event {
                     editor.mouse_context_menu.take();
                     editor.inline_blame_popover.take();
                 }
@@ -1024,6 +1037,10 @@ impl Item for Editor {
                 f(ItemEvent::UpdateBreadcrumbs);
             }
 
+            EditorEvent::BreadcrumbsChanged => {
+                f(ItemEvent::UpdateBreadcrumbs);
+            }
+
             EditorEvent::DirtyChanged => {
                 f(ItemEvent::UpdateTab);
             }
@@ -1276,7 +1293,7 @@ impl SerializableItem for Editor {
             project
                 .read(cx)
                 .worktree_for_id(worktree_id, cx)
-                .and_then(|worktree| worktree.read(cx).absolutize(&file.path()).ok())
+                .and_then(|worktree| worktree.read(cx).absolutize(file.path()).ok())
                 .or_else(|| {
                     let full_path = file.full_path(cx);
                     let project_path = project.read(cx).find_project_path(&full_path, cx)?;
@@ -1354,40 +1371,47 @@ impl ProjectItem for Editor {
         let mut editor = Self::for_buffer(buffer.clone(), Some(project), window, cx);
         if let Some((excerpt_id, buffer_id, snapshot)) =
             editor.buffer().read(cx).snapshot(cx).as_singleton()
+            && WorkspaceSettings::get(None, cx).restore_on_file_reopen
+            && let Some(restoration_data) = Self::project_item_kind()
+                .and_then(|kind| pane.as_ref()?.project_item_restoration_data.get(&kind))
+                .and_then(|data| data.downcast_ref::<EditorRestorationData>())
+                .and_then(|data| {
+                    let file = project::File::from_dyn(buffer.read(cx).file())?;
+                    data.entries.get(&file.abs_path(cx))
+                })
         {
-            if WorkspaceSettings::get(None, cx).restore_on_file_reopen {
-                if let Some(restoration_data) = Self::project_item_kind()
-                    .and_then(|kind| pane.as_ref()?.project_item_restoration_data.get(&kind))
-                    .and_then(|data| data.downcast_ref::<EditorRestorationData>())
-                    .and_then(|data| {
-                        let file = project::File::from_dyn(buffer.read(cx).file())?;
-                        data.entries.get(&file.abs_path(cx))
-                    })
-                {
-                    editor.fold_ranges(
-                        clip_ranges(&restoration_data.folds, &snapshot),
-                        false,
-                        window,
-                        cx,
-                    );
-                    if !restoration_data.selections.is_empty() {
-                        editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
-                            s.select_ranges(clip_ranges(&restoration_data.selections, &snapshot));
-                        });
-                    }
-                    let (top_row, offset) = restoration_data.scroll_position;
-                    let anchor = Anchor::in_buffer(
-                        *excerpt_id,
-                        buffer_id,
-                        snapshot.anchor_before(Point::new(top_row, 0)),
-                    );
-                    editor.set_scroll_anchor(ScrollAnchor { anchor, offset }, window, cx);
-                }
+            editor.fold_ranges(
+                clip_ranges(&restoration_data.folds, snapshot),
+                false,
+                window,
+                cx,
+            );
+            if !restoration_data.selections.is_empty() {
+                editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
+                    s.select_ranges(clip_ranges(&restoration_data.selections, snapshot));
+                });
             }
+            let (top_row, offset) = restoration_data.scroll_position;
+            let anchor = Anchor::in_buffer(
+                *excerpt_id,
+                buffer_id,
+                snapshot.anchor_before(Point::new(top_row, 0)),
+            );
+            editor.set_scroll_anchor(ScrollAnchor { anchor, offset }, window, cx);
         }
 
         editor
     }
+
+    fn for_broken_project_item(
+        abs_path: &Path,
+        is_local: bool,
+        e: &anyhow::Error,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> Option<InvalidBufferView> {
+        Some(InvalidBufferView::new(abs_path, is_local, e, window, cx))
+    }
 }
 
 fn clip_ranges<'a>(
@@ -1825,7 +1849,7 @@ pub fn entry_diagnostic_aware_icon_name_and_color(
     diagnostic_severity: Option<DiagnosticSeverity>,
 ) -> Option<(IconName, Color)> {
     match diagnostic_severity {
-        Some(DiagnosticSeverity::ERROR) => Some((IconName::X, Color::Error)),
+        Some(DiagnosticSeverity::ERROR) => Some((IconName::Close, Color::Error)),
         Some(DiagnosticSeverity::WARNING) => Some((IconName::Triangle, Color::Warning)),
         _ => None,
     }
diff --git a/crates/editor/src/jsx_tag_auto_close.rs b/crates/editor/src/jsx_tag_auto_close.rs
index 95a7925839..e6c518beae 100644
--- a/crates/editor/src/jsx_tag_auto_close.rs
+++ b/crates/editor/src/jsx_tag_auto_close.rs
@@ -37,7 +37,7 @@ pub(crate) fn should_auto_close(
         let text = buffer
             .text_for_range(edited_range.clone())
             .collect::<String>();
-        let edited_range = edited_range.to_offset(&buffer);
+        let edited_range = edited_range.to_offset(buffer);
         if !text.ends_with(">") {
             continue;
         }
@@ -51,12 +51,11 @@ pub(crate) fn should_auto_close(
             continue;
         };
         let mut jsx_open_tag_node = node;
-        if node.grammar_name() != config.open_tag_node_name {
-            if let Some(parent) = node.parent() {
-                if parent.grammar_name() == config.open_tag_node_name {
-                    jsx_open_tag_node = parent;
-                }
-            }
+        if node.grammar_name() != config.open_tag_node_name
+            && let Some(parent) = node.parent()
+            && parent.grammar_name() == config.open_tag_node_name
+        {
+            jsx_open_tag_node = parent;
         }
         if jsx_open_tag_node.grammar_name() != config.open_tag_node_name {
             continue;
@@ -87,9 +86,9 @@ pub(crate) fn should_auto_close(
         });
     }
     if to_auto_edit.is_empty() {
-        return None;
+        None
     } else {
-        return Some(to_auto_edit);
+        Some(to_auto_edit)
     }
 }
 
@@ -182,12 +181,12 @@ pub(crate) fn generate_auto_close_edits(
          */
         {
             let tag_node_name_equals = |node: &Node, name: &str| {
-                let is_empty = name.len() == 0;
+                let is_empty = name.is_empty();
                 if let Some(node_name) = node.named_child(TS_NODE_TAG_NAME_CHILD_INDEX) {
                     let range = node_name.byte_range();
                     return buffer.text_for_range(range).equals_str(name);
                 }
-                return is_empty;
+                is_empty
             };
 
             let tree_root_node = {
@@ -208,7 +207,7 @@ pub(crate) fn generate_auto_close_edits(
                     cur = descendant;
                 }
 
-                assert!(ancestors.len() > 0);
+                assert!(!ancestors.is_empty());
 
                 let mut tree_root_node = open_tag;
 
@@ -228,7 +227,7 @@ pub(crate) fn generate_auto_close_edits(
                             let has_open_tag_with_same_tag_name = ancestor
                                 .named_child(0)
                                 .filter(|n| n.kind() == config.open_tag_node_name)
-                                .map_or(false, |element_open_tag_node| {
+                                .is_some_and(|element_open_tag_node| {
                                     tag_node_name_equals(&element_open_tag_node, &tag_name)
                                 });
                             if has_open_tag_with_same_tag_name {
@@ -264,8 +263,7 @@ pub(crate) fn generate_auto_close_edits(
             }
 
             let is_after_open_tag = |node: &Node| {
-                return node.start_byte() < open_tag.start_byte()
-                    && node.end_byte() < open_tag.start_byte();
+                node.start_byte() < open_tag.start_byte() && node.end_byte() < open_tag.start_byte()
             };
 
             // perf: use cursor for more efficient traversal
@@ -284,10 +282,8 @@ pub(crate) fn generate_auto_close_edits(
                         unclosed_open_tag_count -= 1;
                     }
                 } else if has_erroneous_close_tag && kind == erroneous_close_tag_node_name {
-                    if tag_node_name_equals(&node, &tag_name) {
-                        if !is_after_open_tag(&node) {
-                            unclosed_open_tag_count -= 1;
-                        }
+                    if tag_node_name_equals(&node, &tag_name) && !is_after_open_tag(&node) {
+                        unclosed_open_tag_count -= 1;
                     }
                 } else if kind == config.jsx_element_node_name {
                     // perf: filter only open,close,element,erroneous nodes
@@ -304,7 +300,7 @@ pub(crate) fn generate_auto_close_edits(
         let edit_range = edit_anchor..edit_anchor;
         edits.push((edit_range, format!("</{}>", tag_name)));
     }
-    return Ok(edits);
+    Ok(edits)
 }
 
 pub(crate) fn refresh_enabled_in_any_buffer(
@@ -370,7 +366,7 @@ pub(crate) fn construct_initial_buffer_versions_map<
             initial_buffer_versions.insert(buffer_id, buffer_version);
         }
     }
-    return initial_buffer_versions;
+    initial_buffer_versions
 }
 
 pub(crate) fn handle_from(
@@ -458,12 +454,9 @@ pub(crate) fn handle_from(
             let ensure_no_edits_since_start = || -> Option<()> {
                 let has_edits_since_start = this
                     .read_with(cx, |this, cx| {
-                        this.buffer
-                            .read(cx)
-                            .buffer(buffer_id)
-                            .map_or(true, |buffer| {
-                                buffer.read(cx).has_edits_since(&buffer_version_initial)
-                            })
+                        this.buffer.read(cx).buffer(buffer_id).is_none_or(|buffer| {
+                            buffer.read(cx).has_edits_since(&buffer_version_initial)
+                        })
                     })
                     .ok()?;
 
@@ -514,7 +507,7 @@ pub(crate) fn handle_from(
 
             {
                 let selections = this
-                    .read_with(cx, |this, _| this.selections.disjoint_anchors().clone())
+                    .read_with(cx, |this, _| this.selections.disjoint_anchors())
                     .ok()?;
                 for selection in selections.iter() {
                     let Some(selection_buffer_offset_head) =
@@ -815,10 +808,7 @@ mod jsx_tag_autoclose_tests {
             );
             buf
         });
-        let buffer_c = cx.new(|cx| {
-            let buf = language::Buffer::local("<span", cx);
-            buf
-        });
+        let buffer_c = cx.new(|cx| language::Buffer::local("<span", cx));
         let buffer = cx.new(|cx| {
             let mut buf = MultiBuffer::new(language::Capability::ReadWrite);
             buf.push_excerpts(
diff --git a/crates/editor/src/linked_editing_ranges.rs b/crates/editor/src/linked_editing_ranges.rs
index 7c2672fc0d..4f1313797f 100644
--- a/crates/editor/src/linked_editing_ranges.rs
+++ b/crates/editor/src/linked_editing_ranges.rs
@@ -51,7 +51,7 @@ pub(super) fn refresh_linked_ranges(
     if editor.pending_rename.is_some() {
         return None;
     }
-    let project = editor.project.as_ref()?.downgrade();
+    let project = editor.project()?.downgrade();
 
     editor.linked_editing_range_task = Some(cx.spawn_in(window, async move |editor, cx| {
         cx.background_executor().timer(UPDATE_DEBOUNCE).await;
@@ -72,7 +72,7 @@ pub(super) fn refresh_linked_ranges(
                         // Throw away selections spanning multiple buffers.
                         continue;
                     }
-                    if let Some(buffer) = end_position.buffer_id.and_then(|id| buffer.buffer(id)) {
+                    if let Some(buffer) = buffer.buffer_for_anchor(end_position, cx) {
                         applicable_selections.push((
                             buffer,
                             start_position.text_anchor,
@@ -95,7 +95,7 @@ pub(super) fn refresh_linked_ranges(
                     let snapshot = buffer.read(cx).snapshot();
                     let buffer_id = buffer.read(cx).remote_id();
 
-                    let linked_edits_task = project.linked_edit(buffer, *start, cx);
+                    let linked_edits_task = project.linked_edits(buffer, *start, cx);
                     let highlights = move || async move {
                         let edits = linked_edits_task.await.log_err()?;
                         // Find the range containing our current selection.
diff --git a/crates/editor/src/lsp_colors.rs b/crates/editor/src/lsp_colors.rs
index 08cf9078f2..29eb9f249a 100644
--- a/crates/editor/src/lsp_colors.rs
+++ b/crates/editor/src/lsp_colors.rs
@@ -207,7 +207,7 @@ impl Editor {
                             .entry(buffer_snapshot.remote_id())
                             .or_insert_with(Vec::new);
                         let excerpt_point_range =
-                            excerpt_range.context.to_point_utf16(&buffer_snapshot);
+                            excerpt_range.context.to_point_utf16(buffer_snapshot);
                         excerpt_data.push((
                             excerpt_id,
                             buffer_snapshot.clone(),
diff --git a/crates/editor/src/lsp_ext.rs b/crates/editor/src/lsp_ext.rs
index 8d078f304c..18ad2d71c8 100644
--- a/crates/editor/src/lsp_ext.rs
+++ b/crates/editor/src/lsp_ext.rs
@@ -3,9 +3,8 @@ use std::time::Duration;
 
 use crate::Editor;
 use collections::HashMap;
-use futures::stream::FuturesUnordered;
 use gpui::AsyncApp;
-use gpui::{App, AppContext as _, Entity, Task};
+use gpui::{App, Entity, Task};
 use itertools::Itertools;
 use language::Buffer;
 use language::Language;
@@ -18,7 +17,6 @@ use project::Project;
 use project::TaskSourceKind;
 use project::lsp_store::lsp_ext_command::GetLspRunnables;
 use smol::future::FutureExt as _;
-use smol::stream::StreamExt;
 use task::ResolvedTask;
 use task::TaskContext;
 use text::BufferId;
@@ -29,52 +27,32 @@ pub(crate) fn find_specific_language_server_in_selection<F>(
     editor: &Editor,
     cx: &mut App,
     filter_language: F,
-    language_server_name: &str,
-) -> Task<Option<(Anchor, Arc<Language>, LanguageServerId, Entity<Buffer>)>>
+    language_server_name: LanguageServerName,
+) -> Option<(Anchor, Arc<Language>, LanguageServerId, Entity<Buffer>)>
 where
     F: Fn(&Language) -> bool,
 {
-    let Some(project) = &editor.project else {
-        return Task::ready(None);
-    };
-
-    let applicable_buffers = editor
+    let project = editor.project.clone()?;
+    editor
         .selections
         .disjoint_anchors()
         .iter()
         .filter_map(|selection| Some((selection.head(), selection.head().buffer_id?)))
         .unique_by(|(_, buffer_id)| *buffer_id)
-        .filter_map(|(trigger_anchor, buffer_id)| {
+        .find_map(|(trigger_anchor, buffer_id)| {
             let buffer = editor.buffer().read(cx).buffer(buffer_id)?;
             let language = buffer.read(cx).language_at(trigger_anchor.text_anchor)?;
             if filter_language(&language) {
-                Some((trigger_anchor, buffer, language))
+                let server_id = buffer.update(cx, |buffer, cx| {
+                    project
+                        .read(cx)
+                        .language_server_id_for_name(buffer, &language_server_name, cx)
+                })?;
+                Some((trigger_anchor, language, server_id, buffer))
             } else {
                 None
             }
         })
-        .collect::<Vec<_>>();
-
-    let applicable_buffer_tasks = applicable_buffers
-        .into_iter()
-        .map(|(trigger_anchor, buffer, language)| {
-            let task = buffer.update(cx, |buffer, cx| {
-                project.update(cx, |project, cx| {
-                    project.language_server_id_for_name(buffer, language_server_name, cx)
-                })
-            });
-            (trigger_anchor, buffer, language, task)
-        })
-        .collect::<Vec<_>>();
-    cx.background_spawn(async move {
-        for (trigger_anchor, buffer, language, task) in applicable_buffer_tasks {
-            if let Some(server_id) = task.await {
-                return Some((trigger_anchor, language, server_id, buffer));
-            }
-        }
-
-        None
-    })
 }
 
 async fn lsp_task_context(
@@ -98,7 +76,7 @@ async fn lsp_task_context(
 
     let project_env = project
         .update(cx, |project, cx| {
-            project.buffer_environment(&buffer, &worktree_store, cx)
+            project.buffer_environment(buffer, &worktree_store, cx)
         })
         .ok()?
         .await;
@@ -116,9 +94,9 @@ pub fn lsp_tasks(
     for_position: Option<text::Anchor>,
     cx: &mut App,
 ) -> Task<Vec<(TaskSourceKind, Vec<(Option<LocationLink>, ResolvedTask)>)>> {
-    let mut lsp_task_sources = task_sources
+    let lsp_task_sources = task_sources
         .iter()
-        .map(|(name, buffer_ids)| {
+        .filter_map(|(name, buffer_ids)| {
             let buffers = buffer_ids
                 .iter()
                 .filter(|&&buffer_id| match for_position {
@@ -127,61 +105,62 @@ pub fn lsp_tasks(
                 })
                 .filter_map(|&buffer_id| project.read(cx).buffer_for_id(buffer_id, cx))
                 .collect::<Vec<_>>();
-            language_server_for_buffers(project.clone(), name.clone(), buffers, cx)
+
+            let server_id = buffers.iter().find_map(|buffer| {
+                project.read_with(cx, |project, cx| {
+                    project.language_server_id_for_name(buffer.read(cx), name, cx)
+                })
+            });
+            server_id.zip(Some(buffers))
         })
-        .collect::<FuturesUnordered<_>>();
+        .collect::<Vec<_>>();
 
     cx.spawn(async move |cx| {
         cx.spawn(async move |cx| {
             let mut lsp_tasks = HashMap::default();
-            while let Some(server_to_query) = lsp_task_sources.next().await {
-                if let Some((server_id, buffers)) = server_to_query {
-                    let mut new_lsp_tasks = Vec::new();
-                    for buffer in buffers {
-                        let source_kind = match buffer.update(cx, |buffer, _| {
-                            buffer.language().map(|language| language.name())
-                        }) {
-                            Ok(Some(language_name)) => TaskSourceKind::Lsp {
-                                server: server_id,
-                                language_name: SharedString::from(language_name),
-                            },
-                            Ok(None) => continue,
-                            Err(_) => return Vec::new(),
-                        };
-                        let id_base = source_kind.to_id_base();
-                        let lsp_buffer_context = lsp_task_context(&project, &buffer, cx)
-                            .await
-                            .unwrap_or_default();
+            for (server_id, buffers) in lsp_task_sources {
+                let mut new_lsp_tasks = Vec::new();
+                for buffer in buffers {
+                    let source_kind = match buffer.update(cx, |buffer, _| {
+                        buffer.language().map(|language| language.name())
+                    }) {
+                        Ok(Some(language_name)) => TaskSourceKind::Lsp {
+                            server: server_id,
+                            language_name: SharedString::from(language_name),
+                        },
+                        Ok(None) => continue,
+                        Err(_) => return Vec::new(),
+                    };
+                    let id_base = source_kind.to_id_base();
+                    let lsp_buffer_context = lsp_task_context(&project, &buffer, cx)
+                        .await
+                        .unwrap_or_default();
 
-                        if let Ok(runnables_task) = project.update(cx, |project, cx| {
-                            let buffer_id = buffer.read(cx).remote_id();
-                            project.request_lsp(
-                                buffer,
-                                LanguageServerToQuery::Other(server_id),
-                                GetLspRunnables {
-                                    buffer_id,
-                                    position: for_position,
-                                },
-                                cx,
-                            )
-                        }) {
-                            if let Some(new_runnables) = runnables_task.await.log_err() {
-                                new_lsp_tasks.extend(
-                                    new_runnables.runnables.into_iter().filter_map(
-                                        |(location, runnable)| {
-                                            let resolved_task = runnable
-                                                .resolve_task(&id_base, &lsp_buffer_context)?;
-                                            Some((location, resolved_task))
-                                        },
-                                    ),
-                                );
-                            }
-                        }
-                        lsp_tasks
-                            .entry(source_kind)
-                            .or_insert_with(Vec::new)
-                            .append(&mut new_lsp_tasks);
+                    if let Ok(runnables_task) = project.update(cx, |project, cx| {
+                        let buffer_id = buffer.read(cx).remote_id();
+                        project.request_lsp(
+                            buffer,
+                            LanguageServerToQuery::Other(server_id),
+                            GetLspRunnables {
+                                buffer_id,
+                                position: for_position,
+                            },
+                            cx,
+                        )
+                    }) && let Some(new_runnables) = runnables_task.await.log_err()
+                    {
+                        new_lsp_tasks.extend(new_runnables.runnables.into_iter().filter_map(
+                            |(location, runnable)| {
+                                let resolved_task =
+                                    runnable.resolve_task(&id_base, &lsp_buffer_context)?;
+                                Some((location, resolved_task))
+                            },
+                        ));
                     }
+                    lsp_tasks
+                        .entry(source_kind)
+                        .or_insert_with(Vec::new)
+                        .append(&mut new_lsp_tasks);
                 }
             }
             lsp_tasks.into_iter().collect()
@@ -198,27 +177,3 @@ pub fn lsp_tasks(
         .await
     })
 }
-
-fn language_server_for_buffers(
-    project: Entity<Project>,
-    name: LanguageServerName,
-    candidates: Vec<Entity<Buffer>>,
-    cx: &mut App,
-) -> Task<Option<(LanguageServerId, Vec<Entity<Buffer>>)>> {
-    cx.spawn(async move |cx| {
-        for buffer in &candidates {
-            let server_id = buffer
-                .update(cx, |buffer, cx| {
-                    project.update(cx, |project, cx| {
-                        project.language_server_id_for_name(buffer, &name.0, cx)
-                    })
-                })
-                .ok()?
-                .await;
-            if let Some(server_id) = server_id {
-                return Some((server_id, candidates));
-            }
-        }
-        None
-    })
-}
diff --git a/crates/editor/src/mouse_context_menu.rs b/crates/editor/src/mouse_context_menu.rs
index cbb6791a2f..3bc334c54c 100644
--- a/crates/editor/src/mouse_context_menu.rs
+++ b/crates/editor/src/mouse_context_menu.rs
@@ -1,8 +1,8 @@
 use crate::{
     Copy, CopyAndTrim, CopyPermalinkToLine, Cut, DisplayPoint, DisplaySnapshot, Editor,
     EvaluateSelectedText, FindAllReferences, GoToDeclaration, GoToDefinition, GoToImplementation,
-    GoToTypeDefinition, Paste, Rename, RevealInFileManager, SelectMode, SelectionEffects,
-    SelectionExt, ToDisplayPoint, ToggleCodeActions,
+    GoToTypeDefinition, Paste, Rename, RevealInFileManager, RunToCursor, SelectMode,
+    SelectionEffects, SelectionExt, ToDisplayPoint, ToggleCodeActions,
     actions::{Format, FormatSelections},
     selections_collection::SelectionsCollection,
 };
@@ -61,13 +61,13 @@ impl MouseContextMenu {
             source,
             offset: position - (source_position + content_origin),
         };
-        return Some(MouseContextMenu::new(
+        Some(MouseContextMenu::new(
             editor,
             menu_position,
             context_menu,
             window,
             cx,
-        ));
+        ))
     }
 
     pub(crate) fn new(
@@ -102,11 +102,11 @@ impl MouseContextMenu {
                 let display_snapshot = &editor
                     .display_map
                     .update(cx, |display_map, cx| display_map.snapshot(cx));
-                let selection_init_range = selection_init.display_range(&display_snapshot);
+                let selection_init_range = selection_init.display_range(display_snapshot);
                 let selection_now_range = editor
                     .selections
                     .newest_anchor()
-                    .display_range(&display_snapshot);
+                    .display_range(display_snapshot);
                 if selection_now_range == selection_init_range {
                     return;
                 }
@@ -190,25 +190,33 @@ pub fn deploy_context_menu(
             .all::<PointUtf16>(cx)
             .into_iter()
             .any(|s| !s.is_empty());
-        let has_git_repo = anchor.buffer_id.is_some_and(|buffer_id| {
-            project
-                .read(cx)
-                .git_store()
-                .read(cx)
-                .repository_and_path_for_buffer_id(buffer_id, cx)
-                .is_some()
-        });
+        let has_git_repo = buffer
+            .buffer_id_for_anchor(anchor)
+            .is_some_and(|buffer_id| {
+                project
+                    .read(cx)
+                    .git_store()
+                    .read(cx)
+                    .repository_and_path_for_buffer_id(buffer_id, cx)
+                    .is_some()
+            });
 
         let evaluate_selection = window.is_action_available(&EvaluateSelectedText, cx);
+        let run_to_cursor = window.is_action_available(&RunToCursor, cx);
 
         ui::ContextMenu::build(window, cx, |menu, _window, _cx| {
             let builder = menu
                 .on_blur_subscription(Subscription::new(|| {}))
-                .when(evaluate_selection && has_selections, |builder| {
-                    builder
-                        .action("Evaluate Selection", Box::new(EvaluateSelectedText))
-                        .separator()
+                .when(run_to_cursor, |builder| {
+                    builder.action("Run to Cursor", Box::new(RunToCursor))
                 })
+                .when(evaluate_selection && has_selections, |builder| {
+                    builder.action("Evaluate Selection", Box::new(EvaluateSelectedText))
+                })
+                .when(
+                    run_to_cursor || (evaluate_selection && has_selections),
+                    |builder| builder.separator(),
+                )
                 .action("Go to Definition", Box::new(GoToDefinition))
                 .action("Go to Declaration", Box::new(GoToDeclaration))
                 .action("Go to Type Definition", Box::new(GoToTypeDefinition))
diff --git a/crates/editor/src/movement.rs b/crates/editor/src/movement.rs
index b9b7cb2e58..7a008e3ba2 100644
--- a/crates/editor/src/movement.rs
+++ b/crates/editor/src/movement.rs
@@ -230,7 +230,7 @@ pub fn indented_line_beginning(
     if stop_at_soft_boundaries && soft_line_start > indent_start && display_point != soft_line_start
     {
         soft_line_start
-    } else if stop_at_indent && display_point != indent_start {
+    } else if stop_at_indent && (display_point > indent_start || display_point == line_start) {
         indent_start
     } else {
         line_start
@@ -439,17 +439,17 @@ pub fn start_of_excerpt(
     };
     match direction {
         Direction::Prev => {
-            let mut start = excerpt.start_anchor().to_display_point(&map);
+            let mut start = excerpt.start_anchor().to_display_point(map);
             if start >= display_point && start.row() > DisplayRow(0) {
                 let Some(excerpt) = map.buffer_snapshot.excerpt_before(excerpt.id()) else {
                     return display_point;
                 };
-                start = excerpt.start_anchor().to_display_point(&map);
+                start = excerpt.start_anchor().to_display_point(map);
             }
             start
         }
         Direction::Next => {
-            let mut end = excerpt.end_anchor().to_display_point(&map);
+            let mut end = excerpt.end_anchor().to_display_point(map);
             *end.row_mut() += 1;
             map.clip_point(end, Bias::Right)
         }
@@ -467,7 +467,7 @@ pub fn end_of_excerpt(
     };
     match direction {
         Direction::Prev => {
-            let mut start = excerpt.start_anchor().to_display_point(&map);
+            let mut start = excerpt.start_anchor().to_display_point(map);
             if start.row() > DisplayRow(0) {
                 *start.row_mut() -= 1;
             }
@@ -476,7 +476,7 @@ pub fn end_of_excerpt(
             start
         }
         Direction::Next => {
-            let mut end = excerpt.end_anchor().to_display_point(&map);
+            let mut end = excerpt.end_anchor().to_display_point(map);
             *end.column_mut() = 0;
             if end <= display_point {
                 *end.row_mut() += 1;
@@ -485,7 +485,7 @@ pub fn end_of_excerpt(
                 else {
                     return display_point;
                 };
-                end = excerpt.end_anchor().to_display_point(&map);
+                end = excerpt.end_anchor().to_display_point(map);
                 *end.column_mut() = 0;
             }
             end
@@ -510,10 +510,10 @@ pub fn find_preceding_boundary_point(
         if find_range == FindRange::SingleLine && ch == '\n' {
             break;
         }
-        if let Some(prev_ch) = prev_ch {
-            if is_boundary(ch, prev_ch) {
-                break;
-            }
+        if let Some(prev_ch) = prev_ch
+            && is_boundary(ch, prev_ch)
+        {
+            break;
         }
 
         offset -= ch.len_utf8();
@@ -562,13 +562,13 @@ pub fn find_boundary_point(
         if find_range == FindRange::SingleLine && ch == '\n' {
             break;
         }
-        if let Some(prev_ch) = prev_ch {
-            if is_boundary(prev_ch, ch) {
-                if return_point_before_boundary {
-                    return map.clip_point(prev_offset.to_display_point(map), Bias::Right);
-                } else {
-                    break;
-                }
+        if let Some(prev_ch) = prev_ch
+            && is_boundary(prev_ch, ch)
+        {
+            if return_point_before_boundary {
+                return map.clip_point(prev_offset.to_display_point(map), Bias::Right);
+            } else {
+                break;
             }
         }
         prev_offset = offset;
@@ -603,13 +603,13 @@ pub fn find_preceding_boundary_trail(
     // Find the boundary
     let start_offset = offset;
     for ch in forward {
-        if let Some(prev_ch) = prev_ch {
-            if is_boundary(prev_ch, ch) {
-                if start_offset == offset {
-                    trail_offset = Some(offset);
-                } else {
-                    break;
-                }
+        if let Some(prev_ch) = prev_ch
+            && is_boundary(prev_ch, ch)
+        {
+            if start_offset == offset {
+                trail_offset = Some(offset);
+            } else {
+                break;
             }
         }
         offset -= ch.len_utf8();
@@ -651,13 +651,13 @@ pub fn find_boundary_trail(
     // Find the boundary
     let start_offset = offset;
     for ch in forward {
-        if let Some(prev_ch) = prev_ch {
-            if is_boundary(prev_ch, ch) {
-                if start_offset == offset {
-                    trail_offset = Some(offset);
-                } else {
-                    break;
-                }
+        if let Some(prev_ch) = prev_ch
+            && is_boundary(prev_ch, ch)
+        {
+            if start_offset == offset {
+                trail_offset = Some(offset);
+            } else {
+                break;
             }
         }
         offset += ch.len_utf8();
@@ -907,12 +907,12 @@ mod tests {
         let inlays = (0..buffer_snapshot.len())
             .flat_map(|offset| {
                 [
-                    Inlay::inline_completion(
+                    Inlay::edit_prediction(
                         post_inc(&mut id),
                         buffer_snapshot.anchor_at(offset, Bias::Left),
                         "test",
                     ),
-                    Inlay::inline_completion(
+                    Inlay::edit_prediction(
                         post_inc(&mut id),
                         buffer_snapshot.anchor_at(offset, Bias::Right),
                         "test",
diff --git a/crates/editor/src/persistence.rs b/crates/editor/src/persistence.rs
index 88fde53947..ec7c149b4e 100644
--- a/crates/editor/src/persistence.rs
+++ b/crates/editor/src/persistence.rs
@@ -1,13 +1,17 @@
 use anyhow::Result;
-use db::sqlez::bindable::{Bind, Column, StaticColumnCount};
-use db::sqlez::statement::Statement;
+use db::{
+    query,
+    sqlez::{
+        bindable::{Bind, Column, StaticColumnCount},
+        domain::Domain,
+        statement::Statement,
+    },
+    sqlez_macros::sql,
+};
 use fs::MTime;
 use itertools::Itertools as _;
 use std::path::PathBuf;
 
-use db::sqlez_macros::sql;
-use db::{define_connection, query};
-
 use workspace::{ItemId, WorkspaceDb, WorkspaceId};
 
 #[derive(Clone, Debug, PartialEq, Default)]
@@ -83,7 +87,11 @@ impl Column for SerializedEditor {
     }
 }
 
-define_connection!(
+pub struct EditorDb(db::sqlez::thread_safe_connection::ThreadSafeConnection);
+
+impl Domain for EditorDb {
+    const NAME: &str = stringify!(EditorDb);
+
     // Current schema shape using pseudo-rust syntax:
     // editors(
     //   item_id: usize,
@@ -113,7 +121,8 @@ define_connection!(
     //   start: usize,
     //   end: usize,
     // )
-    pub static ref DB: EditorDb<WorkspaceDb> = &[
+
+    const MIGRATIONS: &[&str] = &[
         sql! (
             CREATE TABLE editors(
                 item_id INTEGER NOT NULL,
@@ -189,7 +198,9 @@ define_connection!(
             ) STRICT;
         ),
     ];
-);
+}
+
+db::static_connection!(DB, EditorDb, [WorkspaceDb]);
 
 // https://www.sqlite.org/limits.html
 // > <..> the maximum value of a host parameter number is SQLITE_MAX_VARIABLE_NUMBER,
diff --git a/crates/editor/src/proposed_changes_editor.rs b/crates/editor/src/proposed_changes_editor.rs
index 1ead45b3de..2d4710a8d4 100644
--- a/crates/editor/src/proposed_changes_editor.rs
+++ b/crates/editor/src/proposed_changes_editor.rs
@@ -241,24 +241,13 @@ impl ProposedChangesEditor {
         event: &BufferEvent,
         _cx: &mut Context<Self>,
     ) {
-        match event {
-            BufferEvent::Operation { .. } => {
-                self.recalculate_diffs_tx
-                    .unbounded_send(RecalculateDiff {
-                        buffer,
-                        debounce: true,
-                    })
-                    .ok();
-            }
-            // BufferEvent::DiffBaseChanged => {
-            //     self.recalculate_diffs_tx
-            //         .unbounded_send(RecalculateDiff {
-            //             buffer,
-            //             debounce: false,
-            //         })
-            //         .ok();
-            // }
-            _ => (),
+        if let BufferEvent::Operation { .. } = event {
+            self.recalculate_diffs_tx
+                .unbounded_send(RecalculateDiff {
+                    buffer,
+                    debounce: true,
+                })
+                .ok();
         }
     }
 }
@@ -442,7 +431,7 @@ impl SemanticsProvider for BranchBufferSemanticsProvider {
         buffer: &Entity<Buffer>,
         position: text::Anchor,
         cx: &mut App,
-    ) -> Option<Task<Vec<project::Hover>>> {
+    ) -> Option<Task<Option<Vec<project::Hover>>>> {
         let buffer = self.to_base(buffer, &[position], cx)?;
         self.0.hover(&buffer, position, cx)
     }
@@ -478,7 +467,7 @@ impl SemanticsProvider for BranchBufferSemanticsProvider {
     }
 
     fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &mut App) -> bool {
-        if let Some(buffer) = self.to_base(&buffer, &[], cx) {
+        if let Some(buffer) = self.to_base(buffer, &[], cx) {
             self.0.supports_inlay_hints(&buffer, cx)
         } else {
             false
@@ -491,7 +480,7 @@ impl SemanticsProvider for BranchBufferSemanticsProvider {
         position: text::Anchor,
         cx: &mut App,
     ) -> Option<Task<anyhow::Result<Vec<project::DocumentHighlight>>>> {
-        let buffer = self.to_base(&buffer, &[position], cx)?;
+        let buffer = self.to_base(buffer, &[position], cx)?;
         self.0.document_highlights(&buffer, position, cx)
     }
 
@@ -501,8 +490,8 @@ impl SemanticsProvider for BranchBufferSemanticsProvider {
         position: text::Anchor,
         kind: crate::GotoDefinitionKind,
         cx: &mut App,
-    ) -> Option<Task<anyhow::Result<Vec<project::LocationLink>>>> {
-        let buffer = self.to_base(&buffer, &[position], cx)?;
+    ) -> Option<Task<anyhow::Result<Option<Vec<project::LocationLink>>>>> {
+        let buffer = self.to_base(buffer, &[position], cx)?;
         self.0.definitions(&buffer, position, kind, cx)
     }
 
diff --git a/crates/editor/src/rust_analyzer_ext.rs b/crates/editor/src/rust_analyzer_ext.rs
index da0f11036f..cf74ee0a9e 100644
--- a/crates/editor/src/rust_analyzer_ext.rs
+++ b/crates/editor/src/rust_analyzer_ext.rs
@@ -26,6 +26,17 @@ fn is_rust_language(language: &Language) -> bool {
 }
 
 pub fn apply_related_actions(editor: &Entity<Editor>, window: &mut Window, cx: &mut App) {
+    if editor.read(cx).project().is_some_and(|project| {
+        project
+            .read(cx)
+            .language_server_statuses(cx)
+            .any(|(_, status)| status.name == RUST_ANALYZER_NAME)
+    }) {
+        register_action(editor, window, cancel_flycheck_action);
+        register_action(editor, window, run_flycheck_action);
+        register_action(editor, window, clear_flycheck_action);
+    }
+
     if editor
         .read(cx)
         .buffer()
@@ -35,12 +46,9 @@ pub fn apply_related_actions(editor: &Entity<Editor>, window: &mut Window, cx: &
         .filter_map(|buffer| buffer.read(cx).language())
         .any(|language| is_rust_language(language))
     {
-        register_action(&editor, window, go_to_parent_module);
-        register_action(&editor, window, expand_macro_recursively);
-        register_action(&editor, window, open_docs);
-        register_action(&editor, window, cancel_flycheck_action);
-        register_action(&editor, window, run_flycheck_action);
-        register_action(&editor, window, clear_flycheck_action);
+        register_action(editor, window, go_to_parent_module);
+        register_action(editor, window, expand_macro_recursively);
+        register_action(editor, window, open_docs);
     }
 }
 
@@ -57,21 +65,21 @@ pub fn go_to_parent_module(
         return;
     };
 
-    let server_lookup = find_specific_language_server_in_selection(
-        editor,
-        cx,
-        is_rust_language,
-        RUST_ANALYZER_NAME,
-    );
+    let Some((trigger_anchor, _, server_to_query, buffer)) =
+        find_specific_language_server_in_selection(
+            editor,
+            cx,
+            is_rust_language,
+            RUST_ANALYZER_NAME,
+        )
+    else {
+        return;
+    };
 
     let project = project.clone();
     let lsp_store = project.read(cx).lsp_store();
     let upstream_client = lsp_store.read(cx).upstream_client();
     cx.spawn_in(window, async move |editor, cx| {
-        let Some((trigger_anchor, _, server_to_query, buffer)) = server_lookup.await else {
-            return anyhow::Ok(());
-        };
-
         let location_links = if let Some((client, project_id)) = upstream_client {
             let buffer_id = buffer.read_with(cx, |buffer, _| buffer.remote_id())?;
 
@@ -121,7 +129,7 @@ pub fn go_to_parent_module(
                 )
             })?
             .await?;
-        Ok(())
+        anyhow::Ok(())
     })
     .detach_and_log_err(cx);
 }
@@ -139,21 +147,19 @@ pub fn expand_macro_recursively(
         return;
     };
 
-    let server_lookup = find_specific_language_server_in_selection(
-        editor,
-        cx,
-        is_rust_language,
-        RUST_ANALYZER_NAME,
-    );
-
+    let Some((trigger_anchor, rust_language, server_to_query, buffer)) =
+        find_specific_language_server_in_selection(
+            editor,
+            cx,
+            is_rust_language,
+            RUST_ANALYZER_NAME,
+        )
+    else {
+        return;
+    };
     let project = project.clone();
     let upstream_client = project.read(cx).lsp_store().read(cx).upstream_client();
     cx.spawn_in(window, async move |_editor, cx| {
-        let Some((trigger_anchor, rust_language, server_to_query, buffer)) = server_lookup.await
-        else {
-            return Ok(());
-        };
-
         let macro_expansion = if let Some((client, project_id)) = upstream_client {
             let buffer_id = buffer.update(cx, |buffer, _| buffer.remote_id())?;
             let request = proto::LspExtExpandMacro {
@@ -231,20 +237,20 @@ pub fn open_docs(editor: &mut Editor, _: &OpenDocs, window: &mut Window, cx: &mu
         return;
     };
 
-    let server_lookup = find_specific_language_server_in_selection(
-        editor,
-        cx,
-        is_rust_language,
-        RUST_ANALYZER_NAME,
-    );
+    let Some((trigger_anchor, _, server_to_query, buffer)) =
+        find_specific_language_server_in_selection(
+            editor,
+            cx,
+            is_rust_language,
+            RUST_ANALYZER_NAME,
+        )
+    else {
+        return;
+    };
 
     let project = project.clone();
     let upstream_client = project.read(cx).lsp_store().read(cx).upstream_client();
     cx.spawn_in(window, async move |_editor, cx| {
-        let Some((trigger_anchor, _, server_to_query, buffer)) = server_lookup.await else {
-            return Ok(());
-        };
-
         let docs_urls = if let Some((client, project_id)) = upstream_client {
             let buffer_id = buffer.read_with(cx, |buffer, _| buffer.remote_id())?;
             let request = proto::LspExtOpenDocs {
@@ -287,11 +293,11 @@ pub fn open_docs(editor: &mut Editor, _: &OpenDocs, window: &mut Window, cx: &mu
         workspace.update(cx, |_workspace, cx| {
             // Check if the local document exists, otherwise fallback to the online document.
             // Open with the default browser.
-            if let Some(local_url) = docs_urls.local {
-                if fs::metadata(Path::new(&local_url[8..])).is_ok() {
-                    cx.open_url(&local_url);
-                    return;
-                }
+            if let Some(local_url) = docs_urls.local
+                && fs::metadata(Path::new(&local_url[8..])).is_ok()
+            {
+                cx.open_url(&local_url);
+                return;
             }
 
             if let Some(web_url) = docs_urls.web {
@@ -311,7 +317,7 @@ fn cancel_flycheck_action(
     let Some(project) = &editor.project else {
         return;
     };
-    let Some(buffer_id) = editor
+    let buffer_id = editor
         .selections
         .disjoint_anchors()
         .iter()
@@ -323,10 +329,7 @@ fn cancel_flycheck_action(
                 .read(cx)
                 .entry_id(cx)?;
             project.path_for_entry(entry_id, cx)
-        })
-    else {
-        return;
-    };
+        });
     cancel_flycheck(project.clone(), buffer_id, cx).detach_and_log_err(cx);
 }
 
@@ -339,7 +342,7 @@ fn run_flycheck_action(
     let Some(project) = &editor.project else {
         return;
     };
-    let Some(buffer_id) = editor
+    let buffer_id = editor
         .selections
         .disjoint_anchors()
         .iter()
@@ -351,10 +354,7 @@ fn run_flycheck_action(
                 .read(cx)
                 .entry_id(cx)?;
             project.path_for_entry(entry_id, cx)
-        })
-    else {
-        return;
-    };
+        });
     run_flycheck(project.clone(), buffer_id, cx).detach_and_log_err(cx);
 }
 
@@ -367,7 +367,7 @@ fn clear_flycheck_action(
     let Some(project) = &editor.project else {
         return;
     };
-    let Some(buffer_id) = editor
+    let buffer_id = editor
         .selections
         .disjoint_anchors()
         .iter()
@@ -379,9 +379,6 @@ fn clear_flycheck_action(
                 .read(cx)
                 .entry_id(cx)?;
             project.path_for_entry(entry_id, cx)
-        })
-    else {
-        return;
-    };
+        });
     clear_flycheck(project.clone(), buffer_id, cx).detach_and_log_err(cx);
 }
diff --git a/crates/editor/src/scroll.rs b/crates/editor/src/scroll.rs
index ecaf7c11e4..8231448618 100644
--- a/crates/editor/src/scroll.rs
+++ b/crates/editor/src/scroll.rs
@@ -348,8 +348,8 @@ impl ScrollManager {
         self.show_scrollbars
     }
 
-    pub fn autoscroll_request(&self) -> Option<Autoscroll> {
-        self.autoscroll_request.map(|(autoscroll, _)| autoscroll)
+    pub fn take_autoscroll_request(&mut self) -> Option<(Autoscroll, bool)> {
+        self.autoscroll_request.take()
     }
 
     pub fn active_scrollbar_state(&self) -> Option<&ActiveScrollbarState> {
@@ -675,7 +675,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
@@ -703,20 +703,20 @@ impl Editor {
         if matches!(
             settings.defaults.soft_wrap,
             SoftWrap::PreferredLineLength | SoftWrap::Bounded
-        ) {
-            if (settings.defaults.preferred_line_length as f32) < visible_column_count {
-                visible_column_count = settings.defaults.preferred_line_length as f32;
-            }
+        ) && (settings.defaults.preferred_line_length as f32) < visible_column_count
+        {
+            visible_column_count = settings.defaults.preferred_line_length as f32;
         }
 
         // If the scroll position is currently at the left edge of the document
         // (x == 0.0) and the intent is to scroll right, the gutter's margin
         // should first be added to the current position, otherwise the cursor
         // will end at the column position minus the margin, which looks off.
-        if current_position.x == 0.0 && amount.columns(visible_column_count) > 0. {
-            if let Some(last_position_map) = &self.last_position_map {
-                current_position.x += self.gutter_dimensions.margin / last_position_map.em_advance;
-            }
+        if current_position.x == 0.0
+            && amount.columns(visible_column_count) > 0.
+            && let Some(last_position_map) = &self.last_position_map
+        {
+            current_position.x += self.gutter_dimensions.margin / last_position_map.em_advance;
         }
         let new_position = current_position
             + point(
@@ -749,12 +749,10 @@ impl Editor {
 
         if let (Some(visible_lines), Some(visible_columns)) =
             (self.visible_line_count(), self.visible_column_count())
+            && newest_head.row() <= DisplayRow(screen_top.row().0 + visible_lines as u32)
+            && newest_head.column() <= screen_top.column() + visible_columns as u32
         {
-            if newest_head.row() <= DisplayRow(screen_top.row().0 + visible_lines as u32)
-                && newest_head.column() <= screen_top.column() + visible_columns as u32
-            {
-                return Ordering::Equal;
-            }
+            return Ordering::Equal;
         }
 
         Ordering::Greater
diff --git a/crates/editor/src/scroll/actions.rs b/crates/editor/src/scroll/actions.rs
index 72827b2fee..f8104665f9 100644
--- a/crates/editor/src/scroll/actions.rs
+++ b/crates/editor/src/scroll/actions.rs
@@ -16,7 +16,7 @@ impl Editor {
             return;
         }
 
-        if matches!(self.mode, EditorMode::SingleLine { .. }) {
+        if matches!(self.mode, EditorMode::SingleLine) {
             cx.propagate();
             return;
         }
diff --git a/crates/editor/src/scroll/autoscroll.rs b/crates/editor/src/scroll/autoscroll.rs
index e8a1f8da73..057d622903 100644
--- a/crates/editor/src/scroll/autoscroll.rs
+++ b/crates/editor/src/scroll/autoscroll.rs
@@ -102,15 +102,12 @@ impl AutoscrollStrategy {
 pub(crate) struct NeedsHorizontalAutoscroll(pub(crate) bool);
 
 impl Editor {
-    pub fn autoscroll_request(&self) -> Option<Autoscroll> {
-        self.scroll_manager.autoscroll_request()
-    }
-
     pub(crate) fn autoscroll_vertically(
         &mut self,
         bounds: Bounds<Pixels>,
         line_height: Pixels,
         max_scroll_top: f32,
+        autoscroll_request: Option<(Autoscroll, bool)>,
         window: &mut Window,
         cx: &mut Context<Editor>,
     ) -> (NeedsHorizontalAutoscroll, WasScrolled) {
@@ -119,12 +116,12 @@ impl Editor {
         let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
         let mut scroll_position = self.scroll_manager.scroll_position(&display_map);
         let original_y = scroll_position.y;
-        if let Some(last_bounds) = self.expect_bounds_change.take() {
-            if scroll_position.y != 0. {
-                scroll_position.y += (bounds.top() - last_bounds.top()) / line_height;
-                if scroll_position.y < 0. {
-                    scroll_position.y = 0.;
-                }
+        if let Some(last_bounds) = self.expect_bounds_change.take()
+            && scroll_position.y != 0.
+        {
+            scroll_position.y += (bounds.top() - last_bounds.top()) / line_height;
+            if scroll_position.y < 0. {
+                scroll_position.y = 0.;
             }
         }
         if scroll_position.y > max_scroll_top {
@@ -137,7 +134,7 @@ impl Editor {
             WasScrolled(false)
         };
 
-        let Some((autoscroll, local)) = self.scroll_manager.autoscroll_request.take() else {
+        let Some((autoscroll, local)) = autoscroll_request else {
             return (NeedsHorizontalAutoscroll(false), editor_was_scrolled);
         };
 
@@ -284,9 +281,12 @@ impl Editor {
         scroll_width: Pixels,
         em_advance: Pixels,
         layouts: &[LineWithInvisibles],
+        autoscroll_request: Option<(Autoscroll, bool)>,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Option<gpui::Point<f32>> {
+        let (_, local) = autoscroll_request?;
+
         let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
         let selections = self.selections.all::<Point>(cx);
         let mut scroll_position = self.scroll_manager.scroll_position(&display_map);
@@ -335,10 +335,10 @@ impl Editor {
 
         let was_scrolled = if target_left < scroll_left {
             scroll_position.x = target_left / em_advance;
-            self.set_scroll_position_internal(scroll_position, true, true, window, cx)
+            self.set_scroll_position_internal(scroll_position, local, true, window, cx)
         } else if target_right > scroll_right {
             scroll_position.x = (target_right - viewport_width) / em_advance;
-            self.set_scroll_position_internal(scroll_position, true, true, window, cx)
+            self.set_scroll_position_internal(scroll_position, local, true, window, cx)
         } else {
             WasScrolled(false)
         };
diff --git a/crates/editor/src/scroll/scroll_amount.rs b/crates/editor/src/scroll/scroll_amount.rs
index b2af4f8e4f..5992c9023c 100644
--- a/crates/editor/src/scroll/scroll_amount.rs
+++ b/crates/editor/src/scroll/scroll_amount.rs
@@ -67,10 +67,7 @@ impl ScrollAmount {
     }
 
     pub fn is_full_page(&self) -> bool {
-        match self {
-            ScrollAmount::Page(count) if count.abs() == 1.0 => true,
-            _ => false,
-        }
+        matches!(self, ScrollAmount::Page(count) if count.abs() == 1.0)
     }
 
     pub fn direction(&self) -> ScrollDirection {
diff --git a/crates/editor/src/selections_collection.rs b/crates/editor/src/selections_collection.rs
index 73c5f1c076..0a02390b64 100644
--- a/crates/editor/src/selections_collection.rs
+++ b/crates/editor/src/selections_collection.rs
@@ -119,8 +119,8 @@ impl SelectionsCollection {
         cx: &mut App,
     ) -> Option<Selection<D>> {
         let map = self.display_map(cx);
-        let selection = resolve_selections(self.pending_anchor().as_ref(), &map).next();
-        selection
+
+        resolve_selections(self.pending_anchor().as_ref(), &map).next()
     }
 
     pub(crate) fn pending_mode(&self) -> Option<SelectMode> {
@@ -276,18 +276,18 @@ impl SelectionsCollection {
         cx: &mut App,
     ) -> Selection<D> {
         let map = self.display_map(cx);
-        let selection = resolve_selections([self.newest_anchor()], &map)
+
+        resolve_selections([self.newest_anchor()], &map)
             .next()
-            .unwrap();
-        selection
+            .unwrap()
     }
 
     pub fn newest_display(&self, cx: &mut App) -> Selection<DisplayPoint> {
         let map = self.display_map(cx);
-        let selection = resolve_selections_display([self.newest_anchor()], &map)
+
+        resolve_selections_display([self.newest_anchor()], &map)
             .next()
-            .unwrap();
-        selection
+            .unwrap()
     }
 
     pub fn oldest_anchor(&self) -> &Selection<Anchor> {
@@ -303,10 +303,10 @@ impl SelectionsCollection {
         cx: &mut App,
     ) -> Selection<D> {
         let map = self.display_map(cx);
-        let selection = resolve_selections([self.oldest_anchor()], &map)
+
+        resolve_selections([self.oldest_anchor()], &map)
             .next()
-            .unwrap();
-        selection
+            .unwrap()
     }
 
     pub fn first_anchor(&self) -> Selection<Anchor> {
diff --git a/crates/editor/src/signature_help.rs b/crates/editor/src/signature_help.rs
index 3447e66ccd..cb21f35d7e 100644
--- a/crates/editor/src/signature_help.rs
+++ b/crates/editor/src/signature_help.rs
@@ -169,7 +169,7 @@ impl Editor {
         else {
             return;
         };
-        let Some(lsp_store) = self.project.as_ref().map(|p| p.read(cx).lsp_store()) else {
+        let Some(lsp_store) = self.project().map(|p| p.read(cx).lsp_store()) else {
             return;
         };
         let task = lsp_store.update(cx, |lsp_store, cx| {
@@ -182,7 +182,9 @@ impl Editor {
                 let signature_help = task.await;
                 editor
                     .update(cx, |editor, cx| {
-                        let Some(mut signature_help) = signature_help.into_iter().next() else {
+                        let Some(mut signature_help) =
+                            signature_help.unwrap_or_default().into_iter().next()
+                        else {
                             editor
                                 .signature_help_state
                                 .hide(SignatureHelpHiddenBy::AutoClose);
@@ -191,12 +193,12 @@ impl Editor {
 
                         if let Some(language) = language {
                             for signature in &mut signature_help.signatures {
-                                let text = Rope::from(signature.label.to_string());
+                                let text = Rope::from(signature.label.as_ref());
                                 let highlights = language
                                     .highlight_text(&text, 0..signature.label.len())
                                     .into_iter()
                                     .flat_map(|(range, highlight_id)| {
-                                        Some((range, highlight_id.style(&cx.theme().syntax())?))
+                                        Some((range, highlight_id.style(cx.theme().syntax())?))
                                     });
                                 signature.highlights =
                                     combine_highlights(signature.highlights.clone(), highlights)
diff --git a/crates/editor/src/tasks.rs b/crates/editor/src/tasks.rs
index 0d497e4cac..8be2a3a2e1 100644
--- a/crates/editor/src/tasks.rs
+++ b/crates/editor/src/tasks.rs
@@ -89,7 +89,7 @@ impl Editor {
                     .lsp_task_source()?;
                 if lsp_settings
                     .get(&lsp_tasks_source)
-                    .map_or(true, |s| s.enable_lsp_tasks)
+                    .is_none_or(|s| s.enable_lsp_tasks)
                 {
                     let buffer_id = buffer.read(cx).remote_id();
                     Some((lsp_tasks_source, buffer_id))
diff --git a/crates/editor/src/test.rs b/crates/editor/src/test.rs
index 0a9d5e9535..960fecf59a 100644
--- a/crates/editor/src/test.rs
+++ b/crates/editor/src/test.rs
@@ -53,7 +53,7 @@ pub fn marked_display_snapshot(
     let (unmarked_text, markers) = marked_text_offsets(text);
 
     let font = Font {
-        family: "Zed Plex Mono".into(),
+        family: ".ZedMono".into(),
         features: FontFeatures::default(),
         fallbacks: None,
         weight: FontWeight::default(),
@@ -184,12 +184,12 @@ pub fn editor_content_with_blocks(editor: &Entity<Editor>, cx: &mut VisualTestCo
     for (row, block) in blocks {
         match block {
             Block::Custom(custom_block) => {
-                if let BlockPlacement::Near(x) = &custom_block.placement {
-                    if snapshot.intersects_fold(x.to_point(&snapshot.buffer_snapshot)) {
-                        continue;
-                    }
+                if let BlockPlacement::Near(x) = &custom_block.placement
+                    && snapshot.intersects_fold(x.to_point(&snapshot.buffer_snapshot))
+                {
+                    continue;
                 };
-                let content = block_content_for_tests(&editor, custom_block.id, cx)
+                let content = block_content_for_tests(editor, custom_block.id, cx)
                     .expect("block content not found");
                 // 2: "related info 1 for diagnostic 0"
                 if let Some(height) = custom_block.height {
@@ -230,26 +230,23 @@ pub fn editor_content_with_blocks(editor: &Entity<Editor>, cx: &mut VisualTestCo
                     lines[row as usize].push_str("§ -----");
                 }
             }
-            Block::ExcerptBoundary {
-                excerpt,
-                height,
-                starts_new_buffer,
-            } => {
-                if starts_new_buffer {
-                    lines[row.0 as usize].push_str(&cx.update(|_, cx| {
-                        format!(
-                            "§ {}",
-                            excerpt
-                                .buffer
-                                .file()
-                                .unwrap()
-                                .file_name(cx)
-                                .to_string_lossy()
-                        )
-                    }));
-                } else {
-                    lines[row.0 as usize].push_str("§ -----")
+            Block::ExcerptBoundary { height, .. } => {
+                for row in row.0..row.0 + height {
+                    lines[row as usize].push_str("§ -----");
                 }
+            }
+            Block::BufferHeader { excerpt, height } => {
+                lines[row.0 as usize].push_str(&cx.update(|_, cx| {
+                    format!(
+                        "§ {}",
+                        excerpt
+                            .buffer
+                            .file()
+                            .unwrap()
+                            .file_name(cx)
+                            .to_string_lossy()
+                    )
+                }));
                 for row in row.0 + 1..row.0 + height {
                     lines[row as usize].push_str("§ -----");
                 }
diff --git a/crates/editor/src/test/editor_lsp_test_context.rs b/crates/editor/src/test/editor_lsp_test_context.rs
index c59786b1eb..3f78fa2f3e 100644
--- a/crates/editor/src/test/editor_lsp_test_context.rs
+++ b/crates/editor/src/test/editor_lsp_test_context.rs
@@ -300,6 +300,7 @@ impl EditorLspTestContext {
         self.to_lsp_range(ranges[0].clone())
     }
 
+    #[expect(clippy::wrong_self_convention, reason = "This is test code")]
     pub fn to_lsp_range(&mut self, range: Range<usize>) -> lsp::Range {
         let snapshot = self.update_editor(|editor, window, cx| editor.snapshot(window, cx));
         let start_point = range.start.to_point(&snapshot.buffer_snapshot);
@@ -326,6 +327,7 @@ impl EditorLspTestContext {
         })
     }
 
+    #[expect(clippy::wrong_self_convention, reason = "This is test code")]
     pub fn to_lsp(&mut self, offset: usize) -> lsp::Position {
         let snapshot = self.update_editor(|editor, window, cx| editor.snapshot(window, cx));
         let point = offset.to_point(&snapshot.buffer_snapshot);
diff --git a/crates/editor/src/test/editor_test_context.rs b/crates/editor/src/test/editor_test_context.rs
index bdf73da5fb..8c54c265ed 100644
--- a/crates/editor/src/test/editor_test_context.rs
+++ b/crates/editor/src/test/editor_test_context.rs
@@ -119,13 +119,7 @@ impl EditorTestContext {
             for excerpt in excerpts.into_iter() {
                 let (text, ranges) = marked_text_ranges(excerpt, false);
                 let buffer = cx.new(|cx| Buffer::local(text, cx));
-                multibuffer.push_excerpts(
-                    buffer,
-                    ranges
-                        .into_iter()
-                        .map(|range| ExcerptRange::new(range.clone())),
-                    cx,
-                );
+                multibuffer.push_excerpts(buffer, ranges.into_iter().map(ExcerptRange::new), cx);
             }
             multibuffer
         });
@@ -297,9 +291,8 @@ impl EditorTestContext {
 
     pub fn set_head_text(&mut self, diff_base: &str) {
         self.cx.run_until_parked();
-        let fs = self.update_editor(|editor, _, cx| {
-            editor.project.as_ref().unwrap().read(cx).fs().as_fake()
-        });
+        let fs =
+            self.update_editor(|editor, _, cx| editor.project().unwrap().read(cx).fs().as_fake());
         let path = self.update_buffer(|buffer, _| buffer.file().unwrap().path().clone());
         fs.set_head_for_repo(
             &Self::root_path().join(".git"),
@@ -311,18 +304,16 @@ impl EditorTestContext {
 
     pub fn clear_index_text(&mut self) {
         self.cx.run_until_parked();
-        let fs = self.update_editor(|editor, _, cx| {
-            editor.project.as_ref().unwrap().read(cx).fs().as_fake()
-        });
+        let fs =
+            self.update_editor(|editor, _, cx| editor.project().unwrap().read(cx).fs().as_fake());
         fs.set_index_for_repo(&Self::root_path().join(".git"), &[]);
         self.cx.run_until_parked();
     }
 
     pub fn set_index_text(&mut self, diff_base: &str) {
         self.cx.run_until_parked();
-        let fs = self.update_editor(|editor, _, cx| {
-            editor.project.as_ref().unwrap().read(cx).fs().as_fake()
-        });
+        let fs =
+            self.update_editor(|editor, _, cx| editor.project().unwrap().read(cx).fs().as_fake());
         let path = self.update_buffer(|buffer, _| buffer.file().unwrap().path().clone());
         fs.set_index_for_repo(
             &Self::root_path().join(".git"),
@@ -333,9 +324,8 @@ impl EditorTestContext {
 
     #[track_caller]
     pub fn assert_index_text(&mut self, expected: Option<&str>) {
-        let fs = self.update_editor(|editor, _, cx| {
-            editor.project.as_ref().unwrap().read(cx).fs().as_fake()
-        });
+        let fs =
+            self.update_editor(|editor, _, cx| editor.project().unwrap().read(cx).fs().as_fake());
         let path = self.update_buffer(|buffer, _| buffer.file().unwrap().path().clone());
         let mut found = None;
         fs.with_git_state(&Self::root_path().join(".git"), false, |git_state| {
@@ -430,7 +420,7 @@ impl EditorTestContext {
             if expected_text == "[FOLDED]\n" {
                 assert!(is_folded, "excerpt {} should be folded", ix);
                 let is_selected = selections.iter().any(|s| s.head().excerpt_id == excerpt_id);
-                if expected_selections.len() > 0 {
+                if !expected_selections.is_empty() {
                     assert!(
                         is_selected,
                         "excerpt {ix} should be selected. got {:?}",
diff --git a/crates/eval/build.rs b/crates/eval/build.rs
new file mode 100644
index 0000000000..9ab40da0fb
--- /dev/null
+++ b/crates/eval/build.rs
@@ -0,0 +1,14 @@
+fn main() {
+    let cargo_toml =
+        std::fs::read_to_string("../zed/Cargo.toml").expect("Failed to read crates/zed/Cargo.toml");
+    let version = cargo_toml
+        .lines()
+        .find(|line| line.starts_with("version = "))
+        .expect("Version not found in crates/zed/Cargo.toml")
+        .split('=')
+        .nth(1)
+        .expect("Invalid version format")
+        .trim()
+        .trim_matches('"');
+    println!("cargo:rustc-env=ZED_PKG_VERSION={}", version);
+}
diff --git a/crates/eval/src/assertions.rs b/crates/eval/src/assertions.rs
index 489e4aa22e..01fac186d3 100644
--- a/crates/eval/src/assertions.rs
+++ b/crates/eval/src/assertions.rs
@@ -54,7 +54,7 @@ impl AssertionsReport {
     pub fn passed_count(&self) -> usize {
         self.ran
             .iter()
-            .filter(|a| a.result.as_ref().map_or(false, |result| result.passed))
+            .filter(|a| a.result.as_ref().is_ok_and(|result| result.passed))
             .count()
     }
 
diff --git a/crates/eval/src/eval.rs b/crates/eval/src/eval.rs
index a02b4a7f0b..9e0504abca 100644
--- a/crates/eval/src/eval.rs
+++ b/crates/eval/src/eval.rs
@@ -18,7 +18,7 @@ use collections::{HashMap, HashSet};
 use extension::ExtensionHostProxy;
 use futures::future;
 use gpui::http_client::read_proxy_from_env;
-use gpui::{App, AppContext, Application, AsyncApp, Entity, SemanticVersion, UpdateGlobal};
+use gpui::{App, AppContext, Application, AsyncApp, Entity, UpdateGlobal};
 use gpui_tokio::Tokio;
 use language::LanguageRegistry;
 use language_model::{ConfiguredModel, LanguageModel, LanguageModelRegistry, SelectedModel};
@@ -103,7 +103,7 @@ fn main() {
     let languages: HashSet<String> = args.languages.into_iter().collect();
 
     let http_client = Arc::new(ReqwestClient::new());
-    let app = Application::headless().with_http_client(http_client.clone());
+    let app = Application::headless().with_http_client(http_client);
     let all_threads = examples::all(&examples_dir);
 
     app.run(move |cx| {
@@ -112,7 +112,7 @@ fn main() {
         let telemetry = app_state.client.telemetry();
         telemetry.start(system_id, installation_id, session_id, cx);
 
-        let enable_telemetry = env::var("ZED_EVAL_TELEMETRY").map_or(false, |value| value == "1")
+        let enable_telemetry = env::var("ZED_EVAL_TELEMETRY").is_ok_and(|value| value == "1")
             && telemetry.has_checksum_seed();
         if enable_telemetry {
             println!("Telemetry enabled");
@@ -167,15 +167,14 @@ fn main() {
                     continue;
                 }
 
-                if let Some(language) = meta.language_server {
-                    if !languages.contains(&language.file_extension) {
+                if let Some(language) = meta.language_server
+                    && !languages.contains(&language.file_extension) {
                         panic!(
                             "Eval for {:?} could not be run because no language server was found for extension {:?}",
                             meta.name,
                             language.file_extension
                         );
                     }
-                }
 
                 // TODO: This creates a worktree per repetition. Ideally these examples should
                 // either be run sequentially on the same worktree, or reuse worktrees when there
@@ -337,7 +336,8 @@ pub struct AgentAppState {
 }
 
 pub fn init(cx: &mut App) -> Arc<AgentAppState> {
-    release_channel::init(SemanticVersion::default(), cx);
+    let app_version = AppVersion::load(env!("ZED_PKG_VERSION"));
+    release_channel::init(app_version, cx);
     gpui_tokio::init(cx);
 
     let mut settings_store = SettingsStore::new(cx);
@@ -349,8 +349,8 @@ pub fn init(cx: &mut App) -> Arc<AgentAppState> {
 
     // Set User-Agent so we can download language servers from GitHub
     let user_agent = format!(
-        "Zed/{} ({}; {})",
-        AppVersion::global(cx),
+        "Zed Agent Eval/{} ({}; {})",
+        app_version,
         std::env::consts::OS,
         std::env::consts::ARCH
     );
@@ -416,11 +416,7 @@ pub fn init(cx: &mut App) -> Arc<AgentAppState> {
 
     language::init(cx);
     debug_adapter_extension::init(extension_host_proxy.clone(), cx);
-    language_extension::init(
-        LspAccess::Noop,
-        extension_host_proxy.clone(),
-        languages.clone(),
-    );
+    language_extension::init(LspAccess::Noop, extension_host_proxy, languages.clone());
     language_model::init(client.clone(), cx);
     language_models::init(user_store.clone(), client.clone(), cx);
     languages::init(languages.clone(), node_runtime.clone(), cx);
@@ -519,7 +515,7 @@ async fn judge_example(
     enable_telemetry: bool,
     cx: &AsyncApp,
 ) -> JudgeOutput {
-    let judge_output = example.judge(model.clone(), &run_output, cx).await;
+    let judge_output = example.judge(model.clone(), run_output, cx).await;
 
     if enable_telemetry {
         telemetry::event!(
@@ -530,7 +526,7 @@ async fn judge_example(
             example_name = example.name.clone(),
             example_repetition = example.repetition,
             diff_evaluation = judge_output.diff.clone(),
-            thread_evaluation = judge_output.thread.clone(),
+            thread_evaluation = judge_output.thread,
             tool_metrics = run_output.tool_metrics,
             response_count = run_output.response_count,
             token_usage = run_output.token_usage,
@@ -710,7 +706,7 @@ fn print_report(
             println!("Average thread score: {average_thread_score}%");
         }
 
-        println!("");
+        println!();
 
         print_h2("CUMULATIVE TOOL METRICS");
         println!("{}", cumulative_tool_metrics);
diff --git a/crates/eval/src/example.rs b/crates/eval/src/example.rs
index 23c8814916..457b62e98c 100644
--- a/crates/eval/src/example.rs
+++ b/crates/eval/src/example.rs
@@ -64,7 +64,7 @@ impl ExampleMetadata {
         self.url
             .split('/')
             .next_back()
-            .unwrap_or(&"")
+            .unwrap_or("")
             .trim_end_matches(".git")
             .into()
     }
@@ -255,7 +255,7 @@ impl ExampleContext {
                     thread.update(cx, |thread, _cx| {
                         if let Some(tool_use) = pending_tool_use {
                             let mut tool_metrics = tool_metrics.lock().unwrap();
-                            if let Some(tool_result) = thread.tool_result(&tool_use_id) {
+                            if let Some(tool_result) = thread.tool_result(tool_use_id) {
                                 let message = if tool_result.is_error {
                                     format!("✖︎ {}", tool_use.name)
                                 } else {
@@ -335,7 +335,7 @@ impl ExampleContext {
             for message in thread.messages().skip(message_count_before) {
                 messages.push(Message {
                     _role: message.role,
-                    text: message.to_string(),
+                    text: message.to_message_content(),
                     tool_use: thread
                         .tool_uses_for_message(message.id, cx)
                         .into_iter()
diff --git a/crates/eval/src/examples/add_arg_to_trait_method.rs b/crates/eval/src/examples/add_arg_to_trait_method.rs
index 9c538f9260..084f12bc62 100644
--- a/crates/eval/src/examples/add_arg_to_trait_method.rs
+++ b/crates/eval/src/examples/add_arg_to_trait_method.rs
@@ -70,10 +70,10 @@ impl Example for AddArgToTraitMethod {
             let path_str = format!("crates/assistant_tools/src/{}.rs", tool_name);
             let edits = edits.get(Path::new(&path_str));
 
-            let ignored = edits.map_or(false, |edits| {
+            let ignored = edits.is_some_and(|edits| {
                 edits.has_added_line("        _window: Option<gpui::AnyWindowHandle>,\n")
             });
-            let uningored = edits.map_or(false, |edits| {
+            let uningored = edits.is_some_and(|edits| {
                 edits.has_added_line("        window: Option<gpui::AnyWindowHandle>,\n")
             });
 
@@ -89,7 +89,7 @@ impl Example for AddArgToTraitMethod {
         let batch_tool_edits = edits.get(Path::new("crates/assistant_tools/src/batch_tool.rs"));
 
         cx.assert(
-            batch_tool_edits.map_or(false, |edits| {
+            batch_tool_edits.is_some_and(|edits| {
                 edits.has_added_line("        window: Option<gpui::AnyWindowHandle>,\n")
             }),
             "Argument:   batch_tool",
diff --git a/crates/eval/src/explorer.rs b/crates/eval/src/explorer.rs
index ee1dfa95c3..3326070cea 100644
--- a/crates/eval/src/explorer.rs
+++ b/crates/eval/src/explorer.rs
@@ -46,27 +46,25 @@ fn find_target_files_recursive(
                 max_depth,
                 found_files,
             )?;
-        } else if path.is_file() {
-            if let Some(filename_osstr) = path.file_name() {
-                if let Some(filename_str) = filename_osstr.to_str() {
-                    if filename_str == target_filename {
-                        found_files.push(path);
-                    }
-                }
-            }
+        } else if path.is_file()
+            && let Some(filename_osstr) = path.file_name()
+            && let Some(filename_str) = filename_osstr.to_str()
+            && filename_str == target_filename
+        {
+            found_files.push(path);
         }
     }
     Ok(())
 }
 
 pub fn generate_explorer_html(input_paths: &[PathBuf], output_path: &PathBuf) -> Result<String> {
-    if let Some(parent) = output_path.parent() {
-        if !parent.exists() {
-            fs::create_dir_all(parent).context(format!(
-                "Failed to create output directory: {}",
-                parent.display()
-            ))?;
-        }
+    if let Some(parent) = output_path.parent()
+        && !parent.exists()
+    {
+        fs::create_dir_all(parent).context(format!(
+            "Failed to create output directory: {}",
+            parent.display()
+        ))?;
     }
 
     let template_path = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("src/explorer.html");
diff --git a/crates/eval/src/instance.rs b/crates/eval/src/instance.rs
index 0f2b4c18ea..c6e4e0b6ec 100644
--- a/crates/eval/src/instance.rs
+++ b/crates/eval/src/instance.rs
@@ -90,11 +90,8 @@ impl ExampleInstance {
         worktrees_dir: &Path,
         repetition: usize,
     ) -> Self {
-        let name = thread.meta().name.to_string();
-        let run_directory = run_dir
-            .join(&name)
-            .join(repetition.to_string())
-            .to_path_buf();
+        let name = thread.meta().name;
+        let run_directory = run_dir.join(&name).join(repetition.to_string());
 
         let repo_path = repo_path_for_url(repos_dir, &thread.meta().url);
 
@@ -376,11 +373,10 @@ impl ExampleInstance {
             );
             let result = this.thread.conversation(&mut example_cx).await;
 
-            if let Err(err) = result {
-                if !err.is::<FailedAssertion>() {
+            if let Err(err) = result
+                && !err.is::<FailedAssertion>() {
                     return Err(err);
                 }
-            }
 
             println!("{}Stopped", this.log_prefix);
 
@@ -459,8 +455,8 @@ impl ExampleInstance {
         let mut output_file =
             File::create(self.run_directory.join("judge.md")).expect("failed to create judge.md");
 
-        let diff_task = self.judge_diff(model.clone(), &run_output, cx);
-        let thread_task = self.judge_thread(model.clone(), &run_output, cx);
+        let diff_task = self.judge_diff(model.clone(), run_output, cx);
+        let thread_task = self.judge_thread(model.clone(), run_output, cx);
 
         let (diff_result, thread_result) = futures::join!(diff_task, thread_task);
 
@@ -661,7 +657,7 @@ pub fn wait_for_lang_server(
         .update(cx, |buffer, cx| {
             lsp_store.update(cx, |lsp_store, cx| {
                 lsp_store
-                    .language_servers_for_local_buffer(&buffer, cx)
+                    .language_servers_for_local_buffer(buffer, cx)
                     .next()
                     .is_some()
             })
@@ -679,8 +675,8 @@ pub fn wait_for_lang_server(
         [
             cx.subscribe(&lsp_store, {
                 let log_prefix = log_prefix.clone();
-                move |_, event, _| match event {
-                    project::LspStoreEvent::LanguageServerUpdate {
+                move |_, event, _| {
+                    if let project::LspStoreEvent::LanguageServerUpdate {
                         message:
                             client::proto::update_language_server::Variant::WorkProgress(
                                 LspWorkProgress {
@@ -689,11 +685,13 @@ pub fn wait_for_lang_server(
                                 },
                             ),
                         ..
-                    } => println!("{}⟲ {message}", log_prefix),
-                    _ => {}
+                    } = event
+                    {
+                        println!("{}⟲ {message}", log_prefix)
+                    }
                 }
             }),
-            cx.subscribe(&project, {
+            cx.subscribe(project, {
                 let buffer = buffer.clone();
                 move |project, event, cx| match event {
                     project::Event::LanguageServerAdded(_, _, _) => {
@@ -771,7 +769,7 @@ pub async fn query_lsp_diagnostics(
 }
 
 fn parse_assertion_result(response: &str) -> Result<RanAssertionResult> {
-    let analysis = get_tag("analysis", response)?.to_string();
+    let analysis = get_tag("analysis", response)?;
     let passed = match get_tag("passed", response)?.to_lowercase().as_str() {
         "true" => true,
         "false" => false,
@@ -838,7 +836,7 @@ fn messages_to_markdown<'a>(message_iter: impl IntoIterator<Item = &'a Message>)
         for segment in &message.segments {
             match segment {
                 MessageSegment::Text(text) => {
-                    messages.push_str(&text);
+                    messages.push_str(text);
                     messages.push_str("\n\n");
                 }
                 MessageSegment::Thinking { text, signature } => {
@@ -846,7 +844,7 @@ fn messages_to_markdown<'a>(message_iter: impl IntoIterator<Item = &'a Message>)
                     if let Some(sig) = signature {
                         messages.push_str(&format!("Signature: {}\n\n", sig));
                     }
-                    messages.push_str(&text);
+                    messages.push_str(text);
                     messages.push_str("\n");
                 }
                 MessageSegment::RedactedThinking(items) => {
@@ -878,7 +876,7 @@ pub async fn send_language_model_request(
     request: LanguageModelRequest,
     cx: &AsyncApp,
 ) -> anyhow::Result<String> {
-    match model.stream_completion_text(request, &cx).await {
+    match model.stream_completion_text(request, cx).await {
         Ok(mut stream) => {
             let mut full_response = String::new();
             while let Some(chunk_result) = stream.stream.next().await {
@@ -915,9 +913,9 @@ impl RequestMarkdown {
             for tool in &request.tools {
                 write!(&mut tools, "# {}\n\n", tool.name).unwrap();
                 write!(&mut tools, "{}\n\n", tool.description).unwrap();
-                write!(
+                writeln!(
                     &mut tools,
-                    "{}\n",
+                    "{}",
                     MarkdownCodeBlock {
                         tag: "json",
                         text: &format!("{:#}", tool.input_schema)
@@ -1191,7 +1189,7 @@ mod test {
             output.analysis,
             Some("The model did a good job but there were still compilations errors.".into())
         );
-        assert_eq!(output.passed, true);
+        assert!(output.passed);
 
         let response = r#"
             Text around ignored
@@ -1211,6 +1209,6 @@ mod test {
             output.analysis,
             Some("Failed to compile:\n- Error 1\n- Error 2".into())
         );
-        assert_eq!(output.passed, false);
+        assert!(!output.passed);
     }
 }
diff --git a/crates/extension/src/extension.rs b/crates/extension/src/extension.rs
index 35f7f41938..6af793253b 100644
--- a/crates/extension/src/extension.rs
+++ b/crates/extension/src/extension.rs
@@ -178,16 +178,15 @@ pub fn parse_wasm_extension_version(
     for part in wasmparser::Parser::new(0).parse_all(wasm_bytes) {
         if let wasmparser::Payload::CustomSection(s) =
             part.context("error parsing wasm extension")?
+            && s.name() == "zed:api-version"
         {
-            if s.name() == "zed:api-version" {
-                version = parse_wasm_extension_version_custom_section(s.data());
-                if version.is_none() {
-                    bail!(
-                        "extension {} has invalid zed:api-version section: {:?}",
-                        extension_id,
-                        s.data()
-                    );
-                }
+            version = parse_wasm_extension_version_custom_section(s.data());
+            if version.is_none() {
+                bail!(
+                    "extension {} has invalid zed:api-version section: {:?}",
+                    extension_id,
+                    s.data()
+                );
             }
         }
     }
diff --git a/crates/extension/src/extension_builder.rs b/crates/extension/src/extension_builder.rs
index 621ba9250c..3a3026f19c 100644
--- a/crates/extension/src/extension_builder.rs
+++ b/crates/extension/src/extension_builder.rs
@@ -401,7 +401,7 @@ impl ExtensionBuilder {
         let mut clang_path = wasi_sdk_dir.clone();
         clang_path.extend(["bin", &format!("clang{}", env::consts::EXE_SUFFIX)]);
 
-        if fs::metadata(&clang_path).map_or(false, |metadata| metadata.is_file()) {
+        if fs::metadata(&clang_path).is_ok_and(|metadata| metadata.is_file()) {
             return Ok(clang_path);
         }
 
@@ -452,7 +452,7 @@ impl ExtensionBuilder {
         let mut output = Vec::new();
         let mut stack = Vec::new();
 
-        for payload in Parser::new(0).parse_all(&input) {
+        for payload in Parser::new(0).parse_all(input) {
             let payload = payload?;
 
             // Track nesting depth, so that we don't mess with inner producer sections:
@@ -484,14 +484,10 @@ impl ExtensionBuilder {
                 _ => {}
             }
 
-            match &payload {
-                CustomSection(c) => {
-                    if strip_custom_section(c.name()) {
-                        continue;
-                    }
-                }
-
-                _ => {}
+            if let CustomSection(c) = &payload
+                && strip_custom_section(c.name())
+            {
+                continue;
             }
             if let Some((id, range)) = payload.as_section() {
                 RawSection {
diff --git a/crates/extension/src/extension_events.rs b/crates/extension/src/extension_events.rs
index b151b3f412..94f3277b05 100644
--- a/crates/extension/src/extension_events.rs
+++ b/crates/extension/src/extension_events.rs
@@ -19,9 +19,8 @@ pub struct ExtensionEvents;
 impl ExtensionEvents {
     /// Returns the global [`ExtensionEvents`].
     pub fn try_global(cx: &App) -> Option<Entity<Self>> {
-        return cx
-            .try_global::<GlobalExtensionEvents>()
-            .map(|g| g.0.clone());
+        cx.try_global::<GlobalExtensionEvents>()
+            .map(|g| g.0.clone())
     }
 
     fn new(_cx: &mut Context<Self>) -> Self {
diff --git a/crates/extension/src/extension_host_proxy.rs b/crates/extension/src/extension_host_proxy.rs
index 917739759f..6a24e3ba3f 100644
--- a/crates/extension/src/extension_host_proxy.rs
+++ b/crates/extension/src/extension_host_proxy.rs
@@ -28,7 +28,6 @@ pub struct ExtensionHostProxy {
     snippet_proxy: RwLock<Option<Arc<dyn ExtensionSnippetProxy>>>,
     slash_command_proxy: RwLock<Option<Arc<dyn ExtensionSlashCommandProxy>>>,
     context_server_proxy: RwLock<Option<Arc<dyn ExtensionContextServerProxy>>>,
-    indexed_docs_provider_proxy: RwLock<Option<Arc<dyn ExtensionIndexedDocsProviderProxy>>>,
     debug_adapter_provider_proxy: RwLock<Option<Arc<dyn ExtensionDebugAdapterProviderProxy>>>,
 }
 
@@ -54,7 +53,6 @@ impl ExtensionHostProxy {
             snippet_proxy: RwLock::default(),
             slash_command_proxy: RwLock::default(),
             context_server_proxy: RwLock::default(),
-            indexed_docs_provider_proxy: RwLock::default(),
             debug_adapter_provider_proxy: RwLock::default(),
         }
     }
@@ -87,14 +85,6 @@ impl ExtensionHostProxy {
         self.context_server_proxy.write().replace(Arc::new(proxy));
     }
 
-    pub fn register_indexed_docs_provider_proxy(
-        &self,
-        proxy: impl ExtensionIndexedDocsProviderProxy,
-    ) {
-        self.indexed_docs_provider_proxy
-            .write()
-            .replace(Arc::new(proxy));
-    }
     pub fn register_debug_adapter_proxy(&self, proxy: impl ExtensionDebugAdapterProviderProxy) {
         self.debug_adapter_provider_proxy
             .write()
@@ -408,30 +398,6 @@ impl ExtensionContextServerProxy for ExtensionHostProxy {
     }
 }
 
-pub trait ExtensionIndexedDocsProviderProxy: Send + Sync + 'static {
-    fn register_indexed_docs_provider(&self, extension: Arc<dyn Extension>, provider_id: Arc<str>);
-
-    fn unregister_indexed_docs_provider(&self, provider_id: Arc<str>);
-}
-
-impl ExtensionIndexedDocsProviderProxy for ExtensionHostProxy {
-    fn register_indexed_docs_provider(&self, extension: Arc<dyn Extension>, provider_id: Arc<str>) {
-        let Some(proxy) = self.indexed_docs_provider_proxy.read().clone() else {
-            return;
-        };
-
-        proxy.register_indexed_docs_provider(extension, provider_id)
-    }
-
-    fn unregister_indexed_docs_provider(&self, provider_id: Arc<str>) {
-        let Some(proxy) = self.indexed_docs_provider_proxy.read().clone() else {
-            return;
-        };
-
-        proxy.unregister_indexed_docs_provider(provider_id)
-    }
-}
-
 pub trait ExtensionDebugAdapterProviderProxy: Send + Sync + 'static {
     fn register_debug_adapter(
         &self,
diff --git a/crates/extension/src/extension_manifest.rs b/crates/extension/src/extension_manifest.rs
index e3235cf561..f5296198b0 100644
--- a/crates/extension/src/extension_manifest.rs
+++ b/crates/extension/src/extension_manifest.rs
@@ -84,8 +84,6 @@ pub struct ExtensionManifest {
     #[serde(default)]
     pub slash_commands: BTreeMap<Arc<str>, SlashCommandManifestEntry>,
     #[serde(default)]
-    pub indexed_docs_providers: BTreeMap<Arc<str>, IndexedDocsProviderEntry>,
-    #[serde(default)]
     pub snippets: Option<PathBuf>,
     #[serde(default)]
     pub capabilities: Vec<ExtensionCapability>,
@@ -163,7 +161,7 @@ pub struct LanguageServerManifestEntry {
     #[serde(default)]
     languages: Vec<LanguageName>,
     #[serde(default)]
-    pub language_ids: HashMap<String, String>,
+    pub language_ids: HashMap<LanguageName, String>,
     #[serde(default)]
     pub code_action_kinds: Option<Vec<lsp::CodeActionKind>>,
 }
@@ -195,9 +193,6 @@ pub struct SlashCommandManifestEntry {
     pub requires_argument: bool,
 }
 
-#[derive(Clone, PartialEq, Eq, Debug, Deserialize, Serialize)]
-pub struct IndexedDocsProviderEntry {}
-
 #[derive(Clone, PartialEq, Eq, Debug, Deserialize, Serialize)]
 pub struct DebugAdapterManifestEntry {
     pub schema_path: Option<PathBuf>,
@@ -271,7 +266,6 @@ fn manifest_from_old_manifest(
         language_servers: Default::default(),
         context_servers: BTreeMap::default(),
         slash_commands: BTreeMap::default(),
-        indexed_docs_providers: BTreeMap::default(),
         snippets: None,
         capabilities: Vec::new(),
         debug_adapters: Default::default(),
@@ -304,7 +298,6 @@ mod tests {
             language_servers: BTreeMap::default(),
             context_servers: BTreeMap::default(),
             slash_commands: BTreeMap::default(),
-            indexed_docs_providers: BTreeMap::default(),
             snippets: None,
             capabilities: vec![],
             debug_adapters: Default::default(),
diff --git a/crates/extension_api/src/extension_api.rs b/crates/extension_api/src/extension_api.rs
index aacc5d8795..72327179ee 100644
--- a/crates/extension_api/src/extension_api.rs
+++ b/crates/extension_api/src/extension_api.rs
@@ -232,10 +232,10 @@ pub trait Extension: Send + Sync {
     ///
     /// To work through a real-world example, take a `cargo run` task and a hypothetical `cargo` locator:
     /// 1. We may need to modify the task; in this case, it is problematic that `cargo run` spawns a binary. We should turn `cargo run` into a debug scenario with
-    /// `cargo build` task. This is the decision we make at `dap_locator_create_scenario` scope.
+    ///    `cargo build` task. This is the decision we make at `dap_locator_create_scenario` scope.
     /// 2. Then, after the build task finishes, we will run `run_dap_locator` of the locator that produced the build task to find the program to be debugged. This function
-    /// should give us a debugger-agnostic configuration for launching a debug target (that we end up resolving with [`Extension::dap_config_to_scenario`]). It's almost as if the user
-    /// found the artifact path by themselves.
+    ///    should give us a debugger-agnostic configuration for launching a debug target (that we end up resolving with [`Extension::dap_config_to_scenario`]). It's almost as if the user
+    ///    found the artifact path by themselves.
     ///
     /// Note that you're not obliged to use build tasks with locators. Specifically, it is sufficient to provide a debug configuration directly in the return value of
     /// `dap_locator_create_scenario` if you're able to do that. Make sure to not fill out `build` field in that case, as that will prevent Zed from running second phase of resolution in such case.
diff --git a/crates/extension_cli/src/main.rs b/crates/extension_cli/src/main.rs
index ab4a9cddb0..d6c0501efd 100644
--- a/crates/extension_cli/src/main.rs
+++ b/crates/extension_cli/src/main.rs
@@ -144,10 +144,6 @@ fn extension_provides(manifest: &ExtensionManifest) -> BTreeSet<ExtensionProvide
         provides.insert(ExtensionProvides::ContextServers);
     }
 
-    if !manifest.indexed_docs_providers.is_empty() {
-        provides.insert(ExtensionProvides::IndexedDocsProviders);
-    }
-
     if manifest.snippets.is_some() {
         provides.insert(ExtensionProvides::Snippets);
     }
diff --git a/crates/extension_host/benches/extension_compilation_benchmark.rs b/crates/extension_host/benches/extension_compilation_benchmark.rs
index a4fa9bfeff..6f0897af6e 100644
--- a/crates/extension_host/benches/extension_compilation_benchmark.rs
+++ b/crates/extension_host/benches/extension_compilation_benchmark.rs
@@ -132,7 +132,6 @@ fn manifest() -> ExtensionManifest {
             .collect(),
         context_servers: BTreeMap::default(),
         slash_commands: BTreeMap::default(),
-        indexed_docs_providers: BTreeMap::default(),
         snippets: None,
         capabilities: vec![ExtensionCapability::ProcessExec(
             extension::ProcessExecCapability {
diff --git a/crates/extension_host/src/capability_granter.rs b/crates/extension_host/src/capability_granter.rs
index c77e5ecba1..5491967e08 100644
--- a/crates/extension_host/src/capability_granter.rs
+++ b/crates/extension_host/src/capability_granter.rs
@@ -108,7 +108,6 @@ mod tests {
             language_servers: BTreeMap::default(),
             context_servers: BTreeMap::default(),
             slash_commands: BTreeMap::default(),
-            indexed_docs_providers: BTreeMap::default(),
             snippets: None,
             capabilities: vec![],
             debug_adapters: Default::default(),
@@ -146,7 +145,7 @@ mod tests {
                 command: "*".to_string(),
                 args: vec!["**".to_string()],
             })],
-            manifest.clone(),
+            manifest,
         );
         assert!(granter.grant_exec("ls", &["-la"]).is_ok());
     }
diff --git a/crates/extension_host/src/extension_host.rs b/crates/extension_host/src/extension_host.rs
index dc38c244f1..fde0aeac94 100644
--- a/crates/extension_host/src/extension_host.rs
+++ b/crates/extension_host/src/extension_host.rs
@@ -16,9 +16,9 @@ pub use extension::ExtensionManifest;
 use extension::extension_builder::{CompileExtensionOptions, ExtensionBuilder};
 use extension::{
     ExtensionContextServerProxy, ExtensionDebugAdapterProviderProxy, ExtensionEvents,
-    ExtensionGrammarProxy, ExtensionHostProxy, ExtensionIndexedDocsProviderProxy,
-    ExtensionLanguageProxy, ExtensionLanguageServerProxy, ExtensionSlashCommandProxy,
-    ExtensionSnippetProxy, ExtensionThemeProxy,
+    ExtensionGrammarProxy, ExtensionHostProxy, ExtensionLanguageProxy,
+    ExtensionLanguageServerProxy, ExtensionSlashCommandProxy, ExtensionSnippetProxy,
+    ExtensionThemeProxy,
 };
 use fs::{Fs, RemoveOptions};
 use futures::future::join_all;
@@ -93,10 +93,9 @@ pub fn is_version_compatible(
         .wasm_api_version
         .as_ref()
         .and_then(|wasm_api_version| SemanticVersion::from_str(wasm_api_version).ok())
+        && !is_supported_wasm_api_version(release_channel, wasm_api_version)
     {
-        if !is_supported_wasm_api_version(release_channel, wasm_api_version) {
-            return false;
-        }
+        return false;
     }
 
     true
@@ -292,19 +291,17 @@ impl ExtensionStore {
         // it must be asynchronously rebuilt.
         let mut extension_index = ExtensionIndex::default();
         let mut extension_index_needs_rebuild = true;
-        if let Ok(index_content) = index_content {
-            if let Some(index) = serde_json::from_str(&index_content).log_err() {
-                extension_index = index;
-                if let (Ok(Some(index_metadata)), Ok(Some(extensions_metadata))) =
-                    (index_metadata, extensions_metadata)
-                {
-                    if index_metadata
-                        .mtime
-                        .bad_is_greater_than(extensions_metadata.mtime)
-                    {
-                        extension_index_needs_rebuild = false;
-                    }
-                }
+        if let Ok(index_content) = index_content
+            && let Some(index) = serde_json::from_str(&index_content).log_err()
+        {
+            extension_index = index;
+            if let (Ok(Some(index_metadata)), Ok(Some(extensions_metadata))) =
+                (index_metadata, extensions_metadata)
+                && index_metadata
+                    .mtime
+                    .bad_is_greater_than(extensions_metadata.mtime)
+            {
+                extension_index_needs_rebuild = false;
             }
         }
 
@@ -392,10 +389,9 @@ impl ExtensionStore {
 
                         if let Some(path::Component::Normal(extension_dir_name)) =
                             event_path.components().next()
+                            && let Some(extension_id) = extension_dir_name.to_str()
                         {
-                            if let Some(extension_id) = extension_dir_name.to_str() {
-                                reload_tx.unbounded_send(Some(extension_id.into())).ok();
-                            }
+                            reload_tx.unbounded_send(Some(extension_id.into())).ok();
                         }
                     }
                 }
@@ -566,12 +562,12 @@ impl ExtensionStore {
                 extensions
                     .into_iter()
                     .filter(|extension| {
-                        this.extension_index.extensions.get(&extension.id).map_or(
-                            true,
-                            |installed_extension| {
+                        this.extension_index
+                            .extensions
+                            .get(&extension.id)
+                            .is_none_or(|installed_extension| {
                                 installed_extension.manifest.version != extension.manifest.version
-                            },
-                        )
+                            })
                     })
                     .collect()
             })
@@ -763,8 +759,8 @@ impl ExtensionStore {
             if let ExtensionOperation::Install = operation {
                 this.update( cx, |this, cx| {
                     cx.emit(Event::ExtensionInstalled(extension_id.clone()));
-                    if let Some(events) = ExtensionEvents::try_global(cx) {
-                        if let Some(manifest) = this.extension_manifest_for_id(&extension_id) {
+                    if let Some(events) = ExtensionEvents::try_global(cx)
+                        && let Some(manifest) = this.extension_manifest_for_id(&extension_id) {
                             events.update(cx, |this, cx| {
                                 this.emit(
                                     extension::Event::ExtensionInstalled(manifest.clone()),
@@ -772,7 +768,6 @@ impl ExtensionStore {
                                 )
                             });
                         }
-                    }
                 })
                 .ok();
             }
@@ -912,12 +907,12 @@ impl ExtensionStore {
 
             extension_store.update(cx, |_, cx| {
                 cx.emit(Event::ExtensionUninstalled(extension_id.clone()));
-                if let Some(events) = ExtensionEvents::try_global(cx) {
-                    if let Some(manifest) = extension_manifest {
-                        events.update(cx, |this, cx| {
-                            this.emit(extension::Event::ExtensionUninstalled(manifest.clone()), cx)
-                        });
-                    }
+                if let Some(events) = ExtensionEvents::try_global(cx)
+                    && let Some(manifest) = extension_manifest
+                {
+                    events.update(cx, |this, cx| {
+                        this.emit(extension::Event::ExtensionUninstalled(manifest.clone()), cx)
+                    });
                 }
             })?;
 
@@ -997,12 +992,12 @@ impl ExtensionStore {
             this.update(cx, |this, cx| this.reload(None, cx))?.await;
             this.update(cx, |this, cx| {
                 cx.emit(Event::ExtensionInstalled(extension_id.clone()));
-                if let Some(events) = ExtensionEvents::try_global(cx) {
-                    if let Some(manifest) = this.extension_manifest_for_id(&extension_id) {
-                        events.update(cx, |this, cx| {
-                            this.emit(extension::Event::ExtensionInstalled(manifest.clone()), cx)
-                        });
-                    }
+                if let Some(events) = ExtensionEvents::try_global(cx)
+                    && let Some(manifest) = this.extension_manifest_for_id(&extension_id)
+                {
+                    events.update(cx, |this, cx| {
+                        this.emit(extension::Event::ExtensionInstalled(manifest.clone()), cx)
+                    });
                 }
             })?;
 
@@ -1118,15 +1113,17 @@ impl ExtensionStore {
             extensions_to_unload.len() - reload_count
         );
 
-        for extension_id in &extensions_to_load {
-            if let Some(extension) = new_index.extensions.get(extension_id) {
-                telemetry::event!(
-                    "Extension Loaded",
-                    extension_id,
-                    version = extension.manifest.version
-                );
-            }
-        }
+        let extension_ids = extensions_to_load
+            .iter()
+            .filter_map(|id| {
+                Some((
+                    id.clone(),
+                    new_index.extensions.get(id)?.manifest.version.clone(),
+                ))
+            })
+            .collect::<Vec<_>>();
+
+        telemetry::event!("Extensions Loaded", id_and_versions = extension_ids);
 
         let themes_to_remove = old_index
             .themes
@@ -1178,22 +1175,18 @@ impl ExtensionStore {
                 }
             }
 
-            for (server_id, _) in &extension.manifest.context_servers {
+            for server_id in extension.manifest.context_servers.keys() {
                 self.proxy.unregister_context_server(server_id.clone(), cx);
             }
-            for (adapter, _) in &extension.manifest.debug_adapters {
+            for adapter in extension.manifest.debug_adapters.keys() {
                 self.proxy.unregister_debug_adapter(adapter.clone());
             }
-            for (locator, _) in &extension.manifest.debug_locators {
+            for locator in extension.manifest.debug_locators.keys() {
                 self.proxy.unregister_debug_locator(locator.clone());
             }
-            for (command_name, _) in &extension.manifest.slash_commands {
+            for command_name in extension.manifest.slash_commands.keys() {
                 self.proxy.unregister_slash_command(command_name.clone());
             }
-            for (provider_id, _) in &extension.manifest.indexed_docs_providers {
-                self.proxy
-                    .unregister_indexed_docs_provider(provider_id.clone());
-            }
         }
 
         self.wasm_extensions
@@ -1277,6 +1270,7 @@ impl ExtensionStore {
                         queries,
                         context_provider,
                         toolchain_provider: None,
+                        manifest_name: None,
                     })
                 }),
             );
@@ -1342,7 +1336,7 @@ impl ExtensionStore {
                     &extension_path,
                     &extension.manifest,
                     wasm_host.clone(),
-                    &cx,
+                    cx,
                 )
                 .await
                 .with_context(|| format!("Loading extension from {extension_path:?}"));
@@ -1392,16 +1386,11 @@ impl ExtensionStore {
                         );
                     }
 
-                    for (id, _context_server_entry) in &manifest.context_servers {
+                    for id in manifest.context_servers.keys() {
                         this.proxy
                             .register_context_server(extension.clone(), id.clone(), cx);
                     }
 
-                    for (provider_id, _provider) in &manifest.indexed_docs_providers {
-                        this.proxy
-                            .register_indexed_docs_provider(extension.clone(), provider_id.clone());
-                    }
-
                     for (debug_adapter, meta) in &manifest.debug_adapters {
                         let mut path = root_dir.clone();
                         path.push(Path::new(manifest.id.as_ref()));
@@ -1462,7 +1451,7 @@ impl ExtensionStore {
 
                     if extension_dir
                         .file_name()
-                        .map_or(false, |file_name| file_name == ".DS_Store")
+                        .is_some_and(|file_name| file_name == ".DS_Store")
                     {
                         continue;
                     }
@@ -1686,9 +1675,8 @@ impl ExtensionStore {
                 let schema_path = &extension::build_debug_adapter_schema_path(adapter_name, meta);
 
                 if fs.is_file(&src_dir.join(schema_path)).await {
-                    match schema_path.parent() {
-                        Some(parent) => fs.create_dir(&tmp_dir.join(parent)).await?,
-                        None => {}
+                    if let Some(parent) = schema_path.parent() {
+                        fs.create_dir(&tmp_dir.join(parent)).await?
                     }
                     fs.copy_file(
                         &src_dir.join(schema_path),
@@ -1782,7 +1770,7 @@ impl ExtensionStore {
         })?;
 
         for client in clients {
-            Self::sync_extensions_over_ssh(&this, client, cx)
+            Self::sync_extensions_over_ssh(this, client, cx)
                 .await
                 .log_err();
         }
@@ -1794,10 +1782,10 @@ impl ExtensionStore {
         let connection_options = client.read(cx).connection_options();
         let ssh_url = connection_options.ssh_url();
 
-        if let Some(existing_client) = self.ssh_clients.get(&ssh_url) {
-            if existing_client.upgrade().is_some() {
-                return;
-            }
+        if let Some(existing_client) = self.ssh_clients.get(&ssh_url)
+            && existing_client.upgrade().is_some()
+        {
+            return;
         }
 
         self.ssh_clients.insert(ssh_url, client.downgrade());
diff --git a/crates/extension_host/src/extension_store_test.rs b/crates/extension_host/src/extension_store_test.rs
index 891ab91852..347a610439 100644
--- a/crates/extension_host/src/extension_store_test.rs
+++ b/crates/extension_host/src/extension_store_test.rs
@@ -10,7 +10,7 @@ use fs::{FakeFs, Fs, RealFs};
 use futures::{AsyncReadExt, StreamExt, io::BufReader};
 use gpui::{AppContext as _, SemanticVersion, TestAppContext};
 use http_client::{FakeHttpClient, Response};
-use language::{BinaryStatus, LanguageMatcher, LanguageRegistry};
+use language::{BinaryStatus, LanguageMatcher, LanguageName, LanguageRegistry};
 use language_extension::LspAccess;
 use lsp::LanguageServerName;
 use node_runtime::NodeRuntime;
@@ -160,7 +160,6 @@ async fn test_extension_store(cx: &mut TestAppContext) {
                         language_servers: BTreeMap::default(),
                         context_servers: BTreeMap::default(),
                         slash_commands: BTreeMap::default(),
-                        indexed_docs_providers: BTreeMap::default(),
                         snippets: None,
                         capabilities: Vec::new(),
                         debug_adapters: Default::default(),
@@ -191,7 +190,6 @@ async fn test_extension_store(cx: &mut TestAppContext) {
                         language_servers: BTreeMap::default(),
                         context_servers: BTreeMap::default(),
                         slash_commands: BTreeMap::default(),
-                        indexed_docs_providers: BTreeMap::default(),
                         snippets: None,
                         capabilities: Vec::new(),
                         debug_adapters: Default::default(),
@@ -306,7 +304,11 @@ async fn test_extension_store(cx: &mut TestAppContext) {
 
         assert_eq!(
             language_registry.language_names(),
-            ["ERB", "Plain Text", "Ruby"]
+            [
+                LanguageName::new("ERB"),
+                LanguageName::new("Plain Text"),
+                LanguageName::new("Ruby"),
+            ]
         );
         assert_eq!(
             theme_registry.list_names(),
@@ -367,7 +369,6 @@ async fn test_extension_store(cx: &mut TestAppContext) {
                 language_servers: BTreeMap::default(),
                 context_servers: BTreeMap::default(),
                 slash_commands: BTreeMap::default(),
-                indexed_docs_providers: BTreeMap::default(),
                 snippets: None,
                 capabilities: Vec::new(),
                 debug_adapters: Default::default(),
@@ -458,7 +459,11 @@ async fn test_extension_store(cx: &mut TestAppContext) {
 
         assert_eq!(
             language_registry.language_names(),
-            ["ERB", "Plain Text", "Ruby"]
+            [
+                LanguageName::new("ERB"),
+                LanguageName::new("Plain Text"),
+                LanguageName::new("Ruby"),
+            ]
         );
         assert_eq!(
             language_registry.grammar_names(),
@@ -513,7 +518,10 @@ async fn test_extension_store(cx: &mut TestAppContext) {
             assert_eq!(actual_language.hidden, expected_language.hidden);
         }
 
-        assert_eq!(language_registry.language_names(), ["Plain Text"]);
+        assert_eq!(
+            language_registry.language_names(),
+            [LanguageName::new("Plain Text")]
+        );
         assert_eq!(language_registry.grammar_names(), []);
     });
 }
diff --git a/crates/extension_host/src/headless_host.rs b/crates/extension_host/src/headless_host.rs
index adc9638c29..a6305118cd 100644
--- a/crates/extension_host/src/headless_host.rs
+++ b/crates/extension_host/src/headless_host.rs
@@ -163,6 +163,7 @@ impl HeadlessExtensionStore {
                             queries: LanguageQueries::default(),
                             context_provider: None,
                             toolchain_provider: None,
+                            manifest_name: None,
                         })
                     }),
                 );
@@ -174,7 +175,7 @@ impl HeadlessExtensionStore {
         }
 
         let wasm_extension: Arc<dyn Extension> =
-            Arc::new(WasmExtension::load(&extension_dir, &manifest, wasm_host.clone(), &cx).await?);
+            Arc::new(WasmExtension::load(&extension_dir, &manifest, wasm_host.clone(), cx).await?);
 
         for (language_server_id, language_server_config) in &manifest.language_servers {
             for language in language_server_config.languages() {
diff --git a/crates/extension_host/src/wasm_host.rs b/crates/extension_host/src/wasm_host.rs
index d990b670f4..c5bc21fc1c 100644
--- a/crates/extension_host/src/wasm_host.rs
+++ b/crates/extension_host/src/wasm_host.rs
@@ -532,7 +532,7 @@ fn wasm_engine(executor: &BackgroundExecutor) -> wasmtime::Engine {
                     // `Future::poll`.
                     const EPOCH_INTERVAL: Duration = Duration::from_millis(100);
                     let mut timer = Timer::interval(EPOCH_INTERVAL);
-                    while let Some(_) = timer.next().await {
+                    while (timer.next().await).is_some() {
                         // Exit the loop and thread once the engine is dropped.
                         let Some(engine) = engine_ref.upgrade() else {
                             break;
@@ -701,16 +701,15 @@ pub fn parse_wasm_extension_version(
     for part in wasmparser::Parser::new(0).parse_all(wasm_bytes) {
         if let wasmparser::Payload::CustomSection(s) =
             part.context("error parsing wasm extension")?
+            && s.name() == "zed:api-version"
         {
-            if s.name() == "zed:api-version" {
-                version = parse_wasm_extension_version_custom_section(s.data());
-                if version.is_none() {
-                    bail!(
-                        "extension {} has invalid zed:api-version section: {:?}",
-                        extension_id,
-                        s.data()
-                    );
-                }
+            version = parse_wasm_extension_version_custom_section(s.data());
+            if version.is_none() {
+                bail!(
+                    "extension {} has invalid zed:api-version section: {:?}",
+                    extension_id,
+                    s.data()
+                );
             }
         }
     }
diff --git a/crates/extension_host/src/wasm_host/wit/since_v0_6_0.rs b/crates/extension_host/src/wasm_host/wit/since_v0_6_0.rs
index 767b9033ad..84794d5386 100644
--- a/crates/extension_host/src/wasm_host/wit/since_v0_6_0.rs
+++ b/crates/extension_host/src/wasm_host/wit/since_v0_6_0.rs
@@ -938,7 +938,7 @@ impl ExtensionImports for WasmState {
                             binary: settings.binary.map(|binary| settings::CommandSettings {
                                 path: binary.path,
                                 arguments: binary.arguments,
-                                env: binary.env,
+                                env: binary.env.map(|env| env.into_iter().collect()),
                             }),
                             settings: settings.settings,
                             initialization_options: settings.initialization_options,
diff --git a/crates/extensions_ui/src/components/feature_upsell.rs b/crates/extensions_ui/src/components/feature_upsell.rs
index e2e65f1598..0515dd46d3 100644
--- a/crates/extensions_ui/src/components/feature_upsell.rs
+++ b/crates/extensions_ui/src/components/feature_upsell.rs
@@ -58,10 +58,9 @@ impl RenderOnce for FeatureUpsell {
                     el.child(
                         Button::new("open_docs", "View Documentation")
                             .icon(IconName::ArrowUpRight)
-                            .icon_size(IconSize::XSmall)
+                            .icon_size(IconSize::Small)
                             .icon_position(IconPosition::End)
                             .on_click({
-                                let docs_url = docs_url.clone();
                                 move |_event, _window, cx| {
                                     telemetry::event!(
                                         "Documentation Viewed",
diff --git a/crates/extensions_ui/src/extensions_ui.rs b/crates/extensions_ui/src/extensions_ui.rs
index fe3e94f5c2..fd504764b6 100644
--- a/crates/extensions_ui/src/extensions_ui.rs
+++ b/crates/extensions_ui/src/extensions_ui.rs
@@ -116,6 +116,7 @@ pub fn init(cx: &mut App) {
                         files: false,
                         directories: true,
                         multiple: false,
+                        prompt: None,
                     },
                     DirectoryLister::Local(
                         workspace.project().clone(),
@@ -693,7 +694,7 @@ impl ExtensionsPage {
                                 cx.open_url(&repository_url);
                             }
                         }))
-                        .tooltip(Tooltip::text(repository_url.clone()))
+                        .tooltip(Tooltip::text(repository_url))
                     })),
             )
     }
@@ -703,7 +704,7 @@ impl ExtensionsPage {
         extension: &ExtensionMetadata,
         cx: &mut Context<Self>,
     ) -> ExtensionCard {
-        let this = cx.entity().clone();
+        let this = cx.entity();
         let status = Self::extension_status(&extension.id, cx);
         let has_dev_extension = Self::dev_extension_exists(&extension.id, cx);
 
@@ -826,7 +827,7 @@ impl ExtensionsPage {
                                         cx.open_url(&repository_url);
                                     }
                                 }))
-                                .tooltip(Tooltip::text(repository_url.clone())),
+                                .tooltip(Tooltip::text(repository_url)),
                             )
                             .child(
                                 PopoverMenu::new(SharedString::from(format!(
@@ -862,7 +863,7 @@ impl ExtensionsPage {
         window: &mut Window,
         cx: &mut App,
     ) -> Entity<ContextMenu> {
-        let context_menu = ContextMenu::build(window, cx, |context_menu, window, _| {
+        ContextMenu::build(window, cx, |context_menu, window, _| {
             context_menu
                 .entry(
                     "Install Another Version...",
@@ -886,9 +887,7 @@ impl ExtensionsPage {
                         cx.write_to_clipboard(ClipboardItem::new_string(authors.join(", ")));
                     }
                 })
-        });
-
-        context_menu
+        })
     }
 
     fn show_extension_version_list(
@@ -1030,15 +1029,14 @@ impl ExtensionsPage {
                                 .read(cx)
                                 .extension_manifest_for_id(&extension_id)
                                 .cloned()
+                                && let Some(events) = extension::ExtensionEvents::try_global(cx)
                             {
-                                if let Some(events) = extension::ExtensionEvents::try_global(cx) {
-                                    events.update(cx, |this, cx| {
-                                        this.emit(
-                                            extension::Event::ConfigureExtensionRequested(manifest),
-                                            cx,
-                                        )
-                                    });
-                                }
+                                events.update(cx, |this, cx| {
+                                    this.emit(
+                                        extension::Event::ConfigureExtensionRequested(manifest),
+                                        cx,
+                                    )
+                                });
                             }
                         }
                     })
diff --git a/crates/feature_flags/src/feature_flags.rs b/crates/feature_flags/src/feature_flags.rs
index 631bafc841..f5f7fc42b3 100644
--- a/crates/feature_flags/src/feature_flags.rs
+++ b/crates/feature_flags/src/feature_flags.rs
@@ -14,7 +14,7 @@ struct FeatureFlags {
 }
 
 pub static ZED_DISABLE_STAFF: LazyLock<bool> = LazyLock::new(|| {
-    std::env::var("ZED_DISABLE_STAFF").map_or(false, |value| !value.is_empty() && value != "0")
+    std::env::var("ZED_DISABLE_STAFF").is_ok_and(|value| !value.is_empty() && value != "0")
 });
 
 impl FeatureFlags {
@@ -77,14 +77,6 @@ impl FeatureFlag for NotebookFeatureFlag {
     const NAME: &'static str = "notebooks";
 }
 
-pub struct ThreadAutoCaptureFeatureFlag {}
-impl FeatureFlag for ThreadAutoCaptureFeatureFlag {
-    const NAME: &'static str = "thread-auto-capture";
-
-    fn enabled_for_staff() -> bool {
-        false
-    }
-}
 pub struct PanicFeatureFlag;
 
 impl FeatureFlag for PanicFeatureFlag {
@@ -97,10 +89,25 @@ impl FeatureFlag for JjUiFeatureFlag {
     const NAME: &'static str = "jj-ui";
 }
 
-pub struct AcpFeatureFlag;
+pub struct GeminiAndNativeFeatureFlag;
 
-impl FeatureFlag for AcpFeatureFlag {
-    const NAME: &'static str = "acp";
+impl FeatureFlag for GeminiAndNativeFeatureFlag {
+    // This was previously called "acp".
+    //
+    // We renamed it because existing builds used it to enable the Claude Code
+    // integration too, and we'd like to turn Gemini/Native on in new builds
+    // without enabling Claude Code in old builds.
+    const NAME: &'static str = "gemini-and-native";
+
+    fn enabled_for_all() -> bool {
+        true
+    }
+}
+
+pub struct ClaudeCodeFeatureFlag;
+
+impl FeatureFlag for ClaudeCodeFeatureFlag {
+    const NAME: &'static str = "claude-code";
 }
 
 pub trait FeatureFlagViewExt<V: 'static> {
@@ -158,6 +165,11 @@ where
     }
 }
 
+#[derive(Debug)]
+pub struct OnFlagsReady {
+    pub is_staff: bool,
+}
+
 pub trait FeatureFlagAppExt {
     fn wait_for_flag<T: FeatureFlag>(&mut self) -> WaitForFlag;
 
@@ -169,6 +181,10 @@ pub trait FeatureFlagAppExt {
     fn has_flag<T: FeatureFlag>(&self) -> bool;
     fn is_staff(&self) -> bool;
 
+    fn on_flags_ready<F>(&mut self, callback: F) -> Subscription
+    where
+        F: FnMut(OnFlagsReady, &mut App) + 'static;
+
     fn observe_flag<T: FeatureFlag, F>(&mut self, callback: F) -> Subscription
     where
         F: FnMut(bool, &mut App) + 'static;
@@ -189,7 +205,7 @@ impl FeatureFlagAppExt for App {
     fn has_flag<T: FeatureFlag>(&self) -> bool {
         self.try_global::<FeatureFlags>()
             .map(|flags| flags.has_flag::<T>())
-            .unwrap_or(false)
+            .unwrap_or(T::enabled_for_all())
     }
 
     fn is_staff(&self) -> bool {
@@ -198,6 +214,21 @@ impl FeatureFlagAppExt for App {
             .unwrap_or(false)
     }
 
+    fn on_flags_ready<F>(&mut self, mut callback: F) -> Subscription
+    where
+        F: FnMut(OnFlagsReady, &mut App) + 'static,
+    {
+        self.observe_global::<FeatureFlags>(move |cx| {
+            let feature_flags = cx.global::<FeatureFlags>();
+            callback(
+                OnFlagsReady {
+                    is_staff: feature_flags.staff,
+                },
+                cx,
+            );
+        })
+    }
+
     fn observe_flag<T: FeatureFlag, F>(&mut self, mut callback: F) -> Subscription
     where
         F: FnMut(bool, &mut App) + 'static,
diff --git a/crates/feedback/Cargo.toml b/crates/feedback/Cargo.toml
index 3a2c1fd713..db872f7a15 100644
--- a/crates/feedback/Cargo.toml
+++ b/crates/feedback/Cargo.toml
@@ -15,13 +15,9 @@ path = "src/feedback.rs"
 test-support = []
 
 [dependencies]
-client.workspace = true
 gpui.workspace = true
-human_bytes = "0.4.1"
 menu.workspace = true
-release_channel.workspace = true
-serde.workspace = true
-sysinfo.workspace = true
+system_specs.workspace = true
 ui.workspace = true
 urlencoding.workspace = true
 util.workspace = true
diff --git a/crates/feedback/src/feedback.rs b/crates/feedback/src/feedback.rs
index 40c2707d34..3822dd7ba3 100644
--- a/crates/feedback/src/feedback.rs
+++ b/crates/feedback/src/feedback.rs
@@ -1,18 +1,14 @@
 use gpui::{App, ClipboardItem, PromptLevel, actions};
-use system_specs::SystemSpecs;
+use system_specs::{CopySystemSpecsIntoClipboard, SystemSpecs};
 use util::ResultExt;
 use workspace::Workspace;
 use zed_actions::feedback::FileBugReport;
 
 pub mod feedback_modal;
 
-pub mod system_specs;
-
 actions!(
     zed,
     [
-        /// Copies system specifications to the clipboard for bug reports.
-        CopySystemSpecsIntoClipboard,
         /// Opens email client to send feedback to Zed support.
         EmailZed,
         /// Opens the Zed repository on GitHub.
diff --git a/crates/file_finder/src/file_finder.rs b/crates/file_finder/src/file_finder.rs
index e5ac70bb58..7512152324 100644
--- a/crates/file_finder/src/file_finder.rs
+++ b/crates/file_finder/src/file_finder.rs
@@ -17,7 +17,7 @@ use fuzzy::{CharBag, PathMatch, PathMatchCandidate};
 use gpui::{
     Action, AnyElement, App, Context, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable,
     KeyContext, Modifiers, ModifiersChangedEvent, ParentElement, Render, Styled, Task, WeakEntity,
-    Window, actions,
+    Window, actions, rems,
 };
 use open_path_prompt::OpenPathPrompt;
 use picker::{Picker, PickerDelegate};
@@ -209,11 +209,11 @@ impl FileFinder {
         let Some(init_modifiers) = self.init_modifiers.take() else {
             return;
         };
-        if self.picker.read(cx).delegate.has_changed_selected_index {
-            if !event.modified() || !init_modifiers.is_subset_of(&event) {
-                self.init_modifiers = None;
-                window.dispatch_action(menu::Confirm.boxed_clone(), cx);
-            }
+        if self.picker.read(cx).delegate.has_changed_selected_index
+            && (!event.modified() || !init_modifiers.is_subset_of(event))
+        {
+            self.init_modifiers = None;
+            window.dispatch_action(menu::Confirm.boxed_clone(), cx);
         }
     }
 
@@ -267,10 +267,9 @@ impl FileFinder {
     ) {
         self.picker.update(cx, |picker, cx| {
             picker.delegate.include_ignored = match picker.delegate.include_ignored {
-                Some(true) => match FileFinderSettings::get_global(cx).include_ignored {
-                    Some(_) => Some(false),
-                    None => None,
-                },
+                Some(true) => FileFinderSettings::get_global(cx)
+                    .include_ignored
+                    .map(|_| false),
                 Some(false) => Some(true),
                 None => Some(true),
             };
@@ -323,34 +322,34 @@ impl FileFinder {
     ) {
         self.picker.update(cx, |picker, cx| {
             let delegate = &mut picker.delegate;
-            if let Some(workspace) = delegate.workspace.upgrade() {
-                if let Some(m) = delegate.matches.get(delegate.selected_index()) {
-                    let path = match &m {
-                        Match::History { path, .. } => {
-                            let worktree_id = path.project.worktree_id;
-                            ProjectPath {
-                                worktree_id,
-                                path: Arc::clone(&path.project.path),
-                            }
+            if let Some(workspace) = delegate.workspace.upgrade()
+                && let Some(m) = delegate.matches.get(delegate.selected_index())
+            {
+                let path = match &m {
+                    Match::History { path, .. } => {
+                        let worktree_id = path.project.worktree_id;
+                        ProjectPath {
+                            worktree_id,
+                            path: Arc::clone(&path.project.path),
                         }
-                        Match::Search(m) => ProjectPath {
-                            worktree_id: WorktreeId::from_usize(m.0.worktree_id),
-                            path: m.0.path.clone(),
-                        },
-                        Match::CreateNew(p) => p.clone(),
-                    };
-                    let open_task = workspace.update(cx, move |workspace, cx| {
-                        workspace.split_path_preview(path, false, Some(split_direction), window, cx)
-                    });
-                    open_task.detach_and_log_err(cx);
-                }
+                    }
+                    Match::Search(m) => ProjectPath {
+                        worktree_id: WorktreeId::from_usize(m.0.worktree_id),
+                        path: m.0.path.clone(),
+                    },
+                    Match::CreateNew(p) => p.clone(),
+                };
+                let open_task = workspace.update(cx, move |workspace, cx| {
+                    workspace.split_path_preview(path, false, Some(split_direction), window, cx)
+                });
+                open_task.detach_and_log_err(cx);
             }
         })
     }
 
     pub fn modal_max_width(width_setting: Option<FileFinderWidth>, window: &mut Window) -> Pixels {
         let window_width = window.viewport_size().width;
-        let small_width = Pixels(545.);
+        let small_width = rems(34.).to_pixels(window.rem_size());
 
         match width_setting {
             None | Some(FileFinderWidth::Small) => small_width,
@@ -497,7 +496,7 @@ impl Match {
     fn panel_match(&self) -> Option<&ProjectPanelOrdMatch> {
         match self {
             Match::History { panel_match, .. } => panel_match.as_ref(),
-            Match::Search(panel_match) => Some(&panel_match),
+            Match::Search(panel_match) => Some(panel_match),
             Match::CreateNew(_) => None,
         }
     }
@@ -537,7 +536,7 @@ impl Matches {
             self.matches.binary_search_by(|m| {
                 // `reverse()` since if cmp_matches(a, b) == Ordering::Greater, then a is better than b.
                 // And we want the better entries go first.
-                Self::cmp_matches(self.separate_history, currently_opened, &m, &entry).reverse()
+                Self::cmp_matches(self.separate_history, currently_opened, m, entry).reverse()
             })
         }
     }
@@ -675,17 +674,17 @@ impl Matches {
             let path_str = panel_match.0.path.to_string_lossy();
             let filename_str = filename.to_string_lossy();
 
-            if let Some(filename_pos) = path_str.rfind(&*filename_str) {
-                if panel_match.0.positions[0] >= filename_pos {
-                    let mut prev_position = panel_match.0.positions[0];
-                    for p in &panel_match.0.positions[1..] {
-                        if *p != prev_position + 1 {
-                            return false;
-                        }
-                        prev_position = *p;
+            if let Some(filename_pos) = path_str.rfind(&*filename_str)
+                && panel_match.0.positions[0] >= filename_pos
+            {
+                let mut prev_position = panel_match.0.positions[0];
+                for p in &panel_match.0.positions[1..] {
+                    if *p != prev_position + 1 {
+                        return false;
                     }
-                    return true;
+                    prev_position = *p;
                 }
+                return true;
             }
         }
 
@@ -878,9 +877,7 @@ impl FileFinderDelegate {
                 PathMatchCandidateSet {
                     snapshot: worktree.snapshot(),
                     include_ignored: self.include_ignored.unwrap_or_else(|| {
-                        worktree
-                            .root_entry()
-                            .map_or(false, |entry| entry.is_ignored)
+                        worktree.root_entry().is_some_and(|entry| entry.is_ignored)
                     }),
                     include_root_name,
                     candidates: project::Candidates::Files,
@@ -1045,10 +1042,10 @@ impl FileFinderDelegate {
                         )
                     } else {
                         let mut path = Arc::clone(project_relative_path);
-                        if project_relative_path.as_ref() == Path::new("") {
-                            if let Some(absolute_path) = &entry_path.absolute {
-                                path = Arc::from(absolute_path.as_path());
-                            }
+                        if project_relative_path.as_ref() == Path::new("")
+                            && let Some(absolute_path) = &entry_path.absolute
+                        {
+                            path = Arc::from(absolute_path.as_path());
                         }
 
                         let mut path_match = PathMatch {
@@ -1078,23 +1075,21 @@ impl FileFinderDelegate {
                 ),
             };
 
-        if file_name_positions.is_empty() {
-            if let Some(user_home_path) = std::env::var("HOME").ok() {
-                let user_home_path = user_home_path.trim();
-                if !user_home_path.is_empty() {
-                    if (&full_path).starts_with(user_home_path) {
-                        full_path.replace_range(0..user_home_path.len(), "~");
-                        full_path_positions.retain_mut(|pos| {
-                            if *pos >= user_home_path.len() {
-                                *pos -= user_home_path.len();
-                                *pos += 1;
-                                true
-                            } else {
-                                false
-                            }
-                        })
+        if file_name_positions.is_empty()
+            && let Some(user_home_path) = std::env::var("HOME").ok()
+        {
+            let user_home_path = user_home_path.trim();
+            if !user_home_path.is_empty() && full_path.starts_with(user_home_path) {
+                full_path.replace_range(0..user_home_path.len(), "~");
+                full_path_positions.retain_mut(|pos| {
+                    if *pos >= user_home_path.len() {
+                        *pos -= user_home_path.len();
+                        *pos += 1;
+                        true
+                    } else {
+                        false
                     }
-                }
+                })
             }
         }
 
@@ -1242,14 +1237,13 @@ impl FileFinderDelegate {
 
     /// Skips first history match (that is displayed topmost) if it's currently opened.
     fn calculate_selected_index(&self, cx: &mut Context<Picker<Self>>) -> usize {
-        if FileFinderSettings::get_global(cx).skip_focus_for_active_in_search {
-            if let Some(Match::History { path, .. }) = self.matches.get(0) {
-                if Some(path) == self.currently_opened_path.as_ref() {
-                    let elements_after_first = self.matches.len() - 1;
-                    if elements_after_first > 0 {
-                        return 1;
-                    }
-                }
+        if FileFinderSettings::get_global(cx).skip_focus_for_active_in_search
+            && let Some(Match::History { path, .. }) = self.matches.get(0)
+            && Some(path) == self.currently_opened_path.as_ref()
+        {
+            let elements_after_first = self.matches.len() - 1;
+            if elements_after_first > 0 {
+                return 1;
             }
         }
 
@@ -1310,10 +1304,10 @@ impl PickerDelegate for FileFinderDelegate {
                 .enumerate()
                 .find(|(_, m)| !matches!(m, Match::History { .. }))
                 .map(|(i, _)| i);
-            if let Some(first_non_history_index) = first_non_history_index {
-                if first_non_history_index > 0 {
-                    return vec![first_non_history_index - 1];
-                }
+            if let Some(first_non_history_index) = first_non_history_index
+                && first_non_history_index > 0
+            {
+                return vec![first_non_history_index - 1];
             }
         }
         Vec::new()
@@ -1402,18 +1396,21 @@ impl PickerDelegate for FileFinderDelegate {
             cx.notify();
             Task::ready(())
         } else {
-            let path_position = PathWithPosition::parse_str(&raw_query);
+            let path_position = PathWithPosition::parse_str(raw_query);
 
             #[cfg(windows)]
             let raw_query = raw_query.trim().to_owned().replace("/", "\\");
             #[cfg(not(windows))]
-            let raw_query = raw_query.trim().to_owned();
+            let raw_query = raw_query.trim();
 
-            let file_query_end = if path_position.path.to_str().unwrap_or(&raw_query) == raw_query {
+            let raw_query = raw_query.trim_end_matches(':').to_owned();
+            let path = path_position.path.to_str();
+            let path_trimmed = path.unwrap_or(&raw_query).trim_end_matches(':');
+            let file_query_end = if path_trimmed == raw_query {
                 None
             } else {
                 // Safe to unwrap as we won't get here when the unwrap in if fails
-                Some(path_position.path.to_str().unwrap().len())
+                Some(path.unwrap().len())
             };
 
             let query = FileSearchQuery {
@@ -1436,69 +1433,101 @@ impl PickerDelegate for FileFinderDelegate {
         window: &mut Window,
         cx: &mut Context<Picker<FileFinderDelegate>>,
     ) {
-        if let Some(m) = self.matches.get(self.selected_index()) {
-            if let Some(workspace) = self.workspace.upgrade() {
-                let open_task = workspace.update(cx, |workspace, cx| {
-                    let split_or_open =
-                        |workspace: &mut Workspace,
-                         project_path,
-                         window: &mut Window,
-                         cx: &mut Context<Workspace>| {
-                            let allow_preview =
-                                PreviewTabsSettings::get_global(cx).enable_preview_from_file_finder;
-                            if secondary {
-                                workspace.split_path_preview(
-                                    project_path,
-                                    allow_preview,
-                                    None,
-                                    window,
-                                    cx,
-                                )
-                            } else {
-                                workspace.open_path_preview(
-                                    project_path,
-                                    None,
-                                    true,
-                                    allow_preview,
-                                    true,
-                                    window,
-                                    cx,
-                                )
-                            }
-                        };
-                    match &m {
-                        Match::CreateNew(project_path) => {
-                            // Create a new file with the given filename
-                            if secondary {
-                                workspace.split_path_preview(
-                                    project_path.clone(),
-                                    false,
-                                    None,
-                                    window,
-                                    cx,
-                                )
-                            } else {
-                                workspace.open_path_preview(
-                                    project_path.clone(),
-                                    None,
-                                    true,
-                                    false,
-                                    true,
-                                    window,
-                                    cx,
-                                )
-                            }
+        if let Some(m) = self.matches.get(self.selected_index())
+            && let Some(workspace) = self.workspace.upgrade()
+        {
+            let open_task = workspace.update(cx, |workspace, cx| {
+                let split_or_open =
+                    |workspace: &mut Workspace,
+                     project_path,
+                     window: &mut Window,
+                     cx: &mut Context<Workspace>| {
+                        let allow_preview =
+                            PreviewTabsSettings::get_global(cx).enable_preview_from_file_finder;
+                        if secondary {
+                            workspace.split_path_preview(
+                                project_path,
+                                allow_preview,
+                                None,
+                                window,
+                                cx,
+                            )
+                        } else {
+                            workspace.open_path_preview(
+                                project_path,
+                                None,
+                                true,
+                                allow_preview,
+                                true,
+                                window,
+                                cx,
+                            )
                         }
+                    };
+                match &m {
+                    Match::CreateNew(project_path) => {
+                        // Create a new file with the given filename
+                        if secondary {
+                            workspace.split_path_preview(
+                                project_path.clone(),
+                                false,
+                                None,
+                                window,
+                                cx,
+                            )
+                        } else {
+                            workspace.open_path_preview(
+                                project_path.clone(),
+                                None,
+                                true,
+                                false,
+                                true,
+                                window,
+                                cx,
+                            )
+                        }
+                    }
 
-                        Match::History { path, .. } => {
-                            let worktree_id = path.project.worktree_id;
-                            if workspace
-                                .project()
-                                .read(cx)
-                                .worktree_for_id(worktree_id, cx)
-                                .is_some()
-                            {
-                                split_or_open(
+                    Match::History { path, .. } => {
+                        let worktree_id = path.project.worktree_id;
+                        if workspace
+                            .project()
+                            .read(cx)
+                            .worktree_for_id(worktree_id, cx)
+                            .is_some()
+                        {
+                            split_or_open(
+                                workspace,
+                                ProjectPath {
+                                    worktree_id,
+                                    path: Arc::clone(&path.project.path),
+                                },
+                                window,
+                                cx,
+                            )
+                        } else {
+                            match path.absolute.as_ref() {
+                                Some(abs_path) => {
+                                    if secondary {
+                                        workspace.split_abs_path(
+                                            abs_path.to_path_buf(),
+                                            false,
+                                            window,
+                                            cx,
+                                        )
+                                    } else {
+                                        workspace.open_abs_path(
+                                            abs_path.to_path_buf(),
+                                            OpenOptions {
+                                                visible: Some(OpenVisible::None),
+                                                ..Default::default()
+                                            },
+                                            window,
+                                            cx,
+                                        )
+                                    }
+                                }
+                                None => split_or_open(
                                     workspace,
                                     ProjectPath {
                                         worktree_id,
@@ -1506,88 +1535,52 @@ impl PickerDelegate for FileFinderDelegate {
                                     },
                                     window,
                                     cx,
-                                )
-                            } else {
-                                match path.absolute.as_ref() {
-                                    Some(abs_path) => {
-                                        if secondary {
-                                            workspace.split_abs_path(
-                                                abs_path.to_path_buf(),
-                                                false,
-                                                window,
-                                                cx,
-                                            )
-                                        } else {
-                                            workspace.open_abs_path(
-                                                abs_path.to_path_buf(),
-                                                OpenOptions {
-                                                    visible: Some(OpenVisible::None),
-                                                    ..Default::default()
-                                                },
-                                                window,
-                                                cx,
-                                            )
-                                        }
-                                    }
-                                    None => split_or_open(
-                                        workspace,
-                                        ProjectPath {
-                                            worktree_id,
-                                            path: Arc::clone(&path.project.path),
-                                        },
-                                        window,
-                                        cx,
-                                    ),
-                                }
+                                ),
                             }
                         }
-                        Match::Search(m) => split_or_open(
-                            workspace,
-                            ProjectPath {
-                                worktree_id: WorktreeId::from_usize(m.0.worktree_id),
-                                path: m.0.path.clone(),
-                            },
-                            window,
-                            cx,
-                        ),
                     }
-                });
+                    Match::Search(m) => split_or_open(
+                        workspace,
+                        ProjectPath {
+                            worktree_id: WorktreeId::from_usize(m.0.worktree_id),
+                            path: m.0.path.clone(),
+                        },
+                        window,
+                        cx,
+                    ),
+                }
+            });
 
-                let row = self
-                    .latest_search_query
-                    .as_ref()
-                    .and_then(|query| query.path_position.row)
-                    .map(|row| row.saturating_sub(1));
-                let col = self
-                    .latest_search_query
-                    .as_ref()
-                    .and_then(|query| query.path_position.column)
-                    .unwrap_or(0)
-                    .saturating_sub(1);
-                let finder = self.file_finder.clone();
+            let row = self
+                .latest_search_query
+                .as_ref()
+                .and_then(|query| query.path_position.row)
+                .map(|row| row.saturating_sub(1));
+            let col = self
+                .latest_search_query
+                .as_ref()
+                .and_then(|query| query.path_position.column)
+                .unwrap_or(0)
+                .saturating_sub(1);
+            let finder = self.file_finder.clone();
 
-                cx.spawn_in(window, async move |_, cx| {
-                    let item = open_task.await.notify_async_err(cx)?;
-                    if let Some(row) = row {
-                        if let Some(active_editor) = item.downcast::<Editor>() {
-                            active_editor
-                                .downgrade()
-                                .update_in(cx, |editor, window, cx| {
-                                    editor.go_to_singleton_buffer_point(
-                                        Point::new(row, col),
-                                        window,
-                                        cx,
-                                    );
-                                })
-                                .log_err();
-                        }
-                    }
-                    finder.update(cx, |_, cx| cx.emit(DismissEvent)).ok()?;
+            cx.spawn_in(window, async move |_, cx| {
+                let item = open_task.await.notify_async_err(cx)?;
+                if let Some(row) = row
+                    && let Some(active_editor) = item.downcast::<Editor>()
+                {
+                    active_editor
+                        .downgrade()
+                        .update_in(cx, |editor, window, cx| {
+                            editor.go_to_singleton_buffer_point(Point::new(row, col), window, cx);
+                        })
+                        .log_err();
+                }
+                finder.update(cx, |_, cx| cx.emit(DismissEvent)).ok()?;
 
-                    Some(())
-                })
-                .detach();
-            }
+                Some(())
+            })
+            .detach();
         }
     }
 
@@ -1759,7 +1752,7 @@ impl PickerDelegate for FileFinderDelegate {
                                         Some(ContextMenu::build(window, cx, {
                                             let focus_handle = focus_handle.clone();
                                             move |menu, _, _| {
-                                                menu.context(focus_handle.clone())
+                                                menu.context(focus_handle)
                                                     .action(
                                                         "Split Left",
                                                         pane::SplitLeft.boxed_clone(),
diff --git a/crates/file_finder/src/file_finder_tests.rs b/crates/file_finder/src/file_finder_tests.rs
index db259ccef8..cd0f203d6a 100644
--- a/crates/file_finder/src/file_finder_tests.rs
+++ b/crates/file_finder/src/file_finder_tests.rs
@@ -218,6 +218,7 @@ async fn test_matching_paths(cx: &mut TestAppContext) {
         " ndan ",
         " band ",
         "a bandana",
+        "bandana:",
     ] {
         picker
             .update_in(cx, |picker, window, cx| {
@@ -252,6 +253,53 @@ async fn test_matching_paths(cx: &mut TestAppContext) {
     }
 }
 
+#[gpui::test]
+async fn test_matching_paths_with_colon(cx: &mut TestAppContext) {
+    let app_state = init_test(cx);
+    app_state
+        .fs
+        .as_fake()
+        .insert_tree(
+            path!("/root"),
+            json!({
+                "a": {
+                    "foo:bar.rs": "",
+                    "foo.rs": "",
+                }
+            }),
+        )
+        .await;
+
+    let project = Project::test(app_state.fs.clone(), [path!("/root").as_ref()], cx).await;
+
+    let (picker, _, cx) = build_find_picker(project, cx);
+
+    // 'foo:' matches both files
+    cx.simulate_input("foo:");
+    picker.update(cx, |picker, _| {
+        assert_eq!(picker.delegate.matches.len(), 3);
+        assert_match_at_position(picker, 0, "foo.rs");
+        assert_match_at_position(picker, 1, "foo:bar.rs");
+    });
+
+    // 'foo:b' matches one of the files
+    cx.simulate_input("b");
+    picker.update(cx, |picker, _| {
+        assert_eq!(picker.delegate.matches.len(), 2);
+        assert_match_at_position(picker, 0, "foo:bar.rs");
+    });
+
+    cx.dispatch_action(editor::actions::Backspace);
+
+    // 'foo:1' matches both files, specifying which row to jump to
+    cx.simulate_input("1");
+    picker.update(cx, |picker, _| {
+        assert_eq!(picker.delegate.matches.len(), 3);
+        assert_match_at_position(picker, 0, "foo.rs");
+        assert_match_at_position(picker, 1, "foo:bar.rs");
+    });
+}
+
 #[gpui::test]
 async fn test_unicode_paths(cx: &mut TestAppContext) {
     let app_state = init_test(cx);
@@ -1614,7 +1662,7 @@ async fn test_select_current_open_file_when_no_history(cx: &mut gpui::TestAppCon
 
     let picker = open_file_picker(&workspace, cx);
     picker.update(cx, |finder, _| {
-        assert_match_selection(&finder, 0, "1_qw");
+        assert_match_selection(finder, 0, "1_qw");
     });
 }
 
@@ -2623,7 +2671,7 @@ async fn open_queried_buffer(
     workspace: &Entity<Workspace>,
     cx: &mut gpui::VisualTestContext,
 ) -> Vec<FoundPath> {
-    let picker = open_file_picker(&workspace, cx);
+    let picker = open_file_picker(workspace, cx);
     cx.simulate_input(input);
 
     let history_items = picker.update(cx, |finder, _| {
diff --git a/crates/file_finder/src/open_path_prompt.rs b/crates/file_finder/src/open_path_prompt.rs
index 68ba7a78b5..4625872e46 100644
--- a/crates/file_finder/src/open_path_prompt.rs
+++ b/crates/file_finder/src/open_path_prompt.rs
@@ -75,16 +75,16 @@ impl OpenPathDelegate {
                 ..
             } => {
                 let mut i = selected_match_index;
-                if let Some(user_input) = user_input {
-                    if !user_input.exists || !user_input.is_dir {
-                        if i == 0 {
-                            return Some(CandidateInfo {
-                                path: user_input.file.clone(),
-                                is_dir: false,
-                            });
-                        } else {
-                            i -= 1;
-                        }
+                if let Some(user_input) = user_input
+                    && (!user_input.exists || !user_input.is_dir)
+                {
+                    if i == 0 {
+                        return Some(CandidateInfo {
+                            path: user_input.file.clone(),
+                            is_dir: false,
+                        });
+                    } else {
+                        i -= 1;
                     }
                 }
                 let id = self.string_matches.get(i)?.candidate_id;
@@ -112,7 +112,7 @@ impl OpenPathDelegate {
                 entries,
                 ..
             } => user_input
-                .into_iter()
+                .iter()
                 .filter(|user_input| !user_input.exists || !user_input.is_dir)
                 .map(|user_input| user_input.file.string.clone())
                 .chain(self.string_matches.iter().filter_map(|string_match| {
@@ -637,7 +637,7 @@ impl PickerDelegate for OpenPathDelegate {
                 FileIcons::get_folder_icon(false, cx)?
             } else {
                 let path = path::Path::new(&candidate.path.string);
-                FileIcons::get_icon(&path, cx)?
+                FileIcons::get_icon(path, cx)?
             };
             Some(Icon::from_path(icon).color(Color::Muted))
         });
@@ -653,7 +653,7 @@ impl PickerDelegate for OpenPathDelegate {
                         if parent_path == &self.prompt_root {
                             format!("{}{}", self.prompt_root, candidate.path.string)
                         } else {
-                            candidate.path.string.clone()
+                            candidate.path.string
                         },
                         match_positions,
                     )),
@@ -684,7 +684,7 @@ impl PickerDelegate for OpenPathDelegate {
                                 };
                                 StyledText::new(label)
                                     .with_default_highlights(
-                                        &window.text_style().clone(),
+                                        &window.text_style(),
                                         vec![(
                                             delta..delta + label_len,
                                             HighlightStyle::color(Color::Conflict.color(cx)),
@@ -694,7 +694,7 @@ impl PickerDelegate for OpenPathDelegate {
                             } else {
                                 StyledText::new(format!("{label} (create)"))
                                     .with_default_highlights(
-                                        &window.text_style().clone(),
+                                        &window.text_style(),
                                         vec![(
                                             delta..delta + label_len,
                                             HighlightStyle::color(Color::Created.color(cx)),
@@ -728,7 +728,7 @@ impl PickerDelegate for OpenPathDelegate {
                         .child(LabelLike::new().child(label_with_highlights)),
                 )
             }
-            DirectoryState::None { .. } => return None,
+            DirectoryState::None { .. } => None,
         }
     }
 
diff --git a/crates/file_icons/src/file_icons.rs b/crates/file_icons/src/file_icons.rs
index 2f159771b1..42c00fb12d 100644
--- a/crates/file_icons/src/file_icons.rs
+++ b/crates/file_icons/src/file_icons.rs
@@ -33,13 +33,23 @@ impl FileIcons {
         // TODO: Associate a type with the languages and have the file's language
         //       override these associations
 
-        // check if file name is in suffixes
-        // e.g. catch file named `eslint.config.js` instead of `.eslint.config.js`
-        if let Some(typ) = path.file_name().and_then(|typ| typ.to_str()) {
+        if let Some(mut typ) = path.file_name().and_then(|typ| typ.to_str()) {
+            // check if file name is in suffixes
+            // e.g. catch file named `eslint.config.js` instead of `.eslint.config.js`
             let maybe_path = get_icon_from_suffix(typ);
             if maybe_path.is_some() {
                 return maybe_path;
             }
+
+            // check if suffix based on first dot is in suffixes
+            // e.g. consider `module.js` as suffix to angular's module file named `auth.module.js`
+            while let Some((_, suffix)) = typ.split_once('.') {
+                let maybe_path = get_icon_from_suffix(suffix);
+                if maybe_path.is_some() {
+                    return maybe_path;
+                }
+                typ = suffix;
+            }
         }
 
         // primary case: check if the files extension or the hidden file name
@@ -62,7 +72,7 @@ impl FileIcons {
                 return maybe_path;
             }
         }
-        return this.get_icon_for_type("default", cx);
+        this.get_icon_for_type("default", cx)
     }
 
     fn default_icon_theme(cx: &App) -> Option<Arc<IconTheme>> {
diff --git a/crates/fs/Cargo.toml b/crates/fs/Cargo.toml
index 633fc1fc99..1d4161134e 100644
--- a/crates/fs/Cargo.toml
+++ b/crates/fs/Cargo.toml
@@ -51,6 +51,7 @@ ashpd.workspace = true
 
 [dev-dependencies]
 gpui = { workspace = true, features = ["test-support"] }
+git = { workspace = true, features = ["test-support"] }
 
 [features]
 test-support = ["gpui/test-support", "git/test-support"]
diff --git a/crates/fs/src/fake_git_repo.rs b/crates/fs/src/fake_git_repo.rs
index 378a8fb7df..8a67eddcd7 100644
--- a/crates/fs/src/fake_git_repo.rs
+++ b/crates/fs/src/fake_git_repo.rs
@@ -1,8 +1,9 @@
-use crate::{FakeFs, Fs};
+use crate::{FakeFs, FakeFsEntry, Fs};
 use anyhow::{Context as _, Result};
 use collections::{HashMap, HashSet};
 use futures::future::{self, BoxFuture, join_all};
 use git::{
+    Oid,
     blame::Blame,
     repository::{
         AskPassDelegate, Branch, CommitDetails, CommitOptions, FetchOptions, GitRepository,
@@ -10,8 +11,9 @@ use git::{
     },
     status::{FileStatus, GitStatus, StatusCode, TrackedStatus, UnmergedStatus},
 };
-use gpui::{AsyncApp, BackgroundExecutor};
+use gpui::{AsyncApp, BackgroundExecutor, SharedString, Task};
 use ignore::gitignore::GitignoreBuilder;
+use parking_lot::Mutex;
 use rope::Rope;
 use smol::future::FutureExt as _;
 use std::{path::PathBuf, sync::Arc};
@@ -19,6 +21,7 @@ use std::{path::PathBuf, sync::Arc};
 #[derive(Clone)]
 pub struct FakeGitRepository {
     pub(crate) fs: Arc<FakeFs>,
+    pub(crate) checkpoints: Arc<Mutex<HashMap<Oid, FakeFsEntry>>>,
     pub(crate) executor: BackgroundExecutor,
     pub(crate) dot_git_path: PathBuf,
     pub(crate) repository_dir_path: PathBuf,
@@ -183,7 +186,7 @@ impl GitRepository for FakeGitRepository {
         async move { None }.boxed()
     }
 
-    fn status(&self, path_prefixes: &[RepoPath]) -> BoxFuture<'_, Result<GitStatus>> {
+    fn status(&self, path_prefixes: &[RepoPath]) -> Task<Result<GitStatus>> {
         let workdir_path = self.dot_git_path.parent().unwrap();
 
         // Load gitignores
@@ -311,7 +314,10 @@ impl GitRepository for FakeGitRepository {
                 entries: entries.into(),
             })
         });
-        async move { result? }.boxed()
+        Task::ready(match result {
+            Ok(result) => result,
+            Err(e) => Err(e),
+        })
     }
 
     fn branches(&self) -> BoxFuture<'_, Result<Vec<Branch>>> {
@@ -339,7 +345,7 @@ impl GitRepository for FakeGitRepository {
 
     fn create_branch(&self, name: String) -> BoxFuture<'_, Result<()>> {
         self.with_state_async(true, move |state| {
-            state.branches.insert(name.to_owned());
+            state.branches.insert(name);
             Ok(())
         })
     }
@@ -402,11 +408,11 @@ impl GitRepository for FakeGitRepository {
         &self,
         _paths: Vec<RepoPath>,
         _env: Arc<HashMap<String, String>>,
-    ) -> BoxFuture<Result<()>> {
+    ) -> BoxFuture<'_, Result<()>> {
         unimplemented!()
     }
 
-    fn stash_pop(&self, _env: Arc<HashMap<String, String>>) -> BoxFuture<Result<()>> {
+    fn stash_pop(&self, _env: Arc<HashMap<String, String>>) -> BoxFuture<'_, Result<()>> {
         unimplemented!()
     }
 
@@ -466,22 +472,57 @@ impl GitRepository for FakeGitRepository {
     }
 
     fn checkpoint(&self) -> BoxFuture<'static, Result<GitRepositoryCheckpoint>> {
-        unimplemented!()
+        let executor = self.executor.clone();
+        let fs = self.fs.clone();
+        let checkpoints = self.checkpoints.clone();
+        let repository_dir_path = self.repository_dir_path.parent().unwrap().to_path_buf();
+        async move {
+            executor.simulate_random_delay().await;
+            let oid = Oid::random(&mut executor.rng());
+            let entry = fs.entry(&repository_dir_path)?;
+            checkpoints.lock().insert(oid, entry);
+            Ok(GitRepositoryCheckpoint { commit_sha: oid })
+        }
+        .boxed()
     }
 
-    fn restore_checkpoint(
-        &self,
-        _checkpoint: GitRepositoryCheckpoint,
-    ) -> BoxFuture<'_, Result<()>> {
-        unimplemented!()
+    fn restore_checkpoint(&self, checkpoint: GitRepositoryCheckpoint) -> BoxFuture<'_, Result<()>> {
+        let executor = self.executor.clone();
+        let fs = self.fs.clone();
+        let checkpoints = self.checkpoints.clone();
+        let repository_dir_path = self.repository_dir_path.parent().unwrap().to_path_buf();
+        async move {
+            executor.simulate_random_delay().await;
+            let checkpoints = checkpoints.lock();
+            let entry = checkpoints
+                .get(&checkpoint.commit_sha)
+                .context(format!("invalid checkpoint: {}", checkpoint.commit_sha))?;
+            fs.insert_entry(&repository_dir_path, entry.clone())?;
+            Ok(())
+        }
+        .boxed()
     }
 
     fn compare_checkpoints(
         &self,
-        _left: GitRepositoryCheckpoint,
-        _right: GitRepositoryCheckpoint,
+        left: GitRepositoryCheckpoint,
+        right: GitRepositoryCheckpoint,
     ) -> BoxFuture<'_, Result<bool>> {
-        unimplemented!()
+        let executor = self.executor.clone();
+        let checkpoints = self.checkpoints.clone();
+        async move {
+            executor.simulate_random_delay().await;
+            let checkpoints = checkpoints.lock();
+            let left = checkpoints
+                .get(&left.commit_sha)
+                .context(format!("invalid left checkpoint: {}", left.commit_sha))?;
+            let right = checkpoints
+                .get(&right.commit_sha)
+                .context(format!("invalid right checkpoint: {}", right.commit_sha))?;
+
+            Ok(left == right)
+        }
+        .boxed()
     }
 
     fn diff_checkpoints(
@@ -491,4 +532,68 @@ impl GitRepository for FakeGitRepository {
     ) -> BoxFuture<'_, Result<String>> {
         unimplemented!()
     }
+
+    fn default_branch(&self) -> BoxFuture<'_, Result<Option<SharedString>>> {
+        unimplemented!()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::{FakeFs, Fs};
+    use gpui::BackgroundExecutor;
+    use serde_json::json;
+    use std::path::Path;
+    use util::path;
+
+    #[gpui::test]
+    async fn test_checkpoints(executor: BackgroundExecutor) {
+        let fs = FakeFs::new(executor);
+        fs.insert_tree(
+            path!("/"),
+            json!({
+                "bar": {
+                    "baz": "qux"
+                },
+                "foo": {
+                    ".git": {},
+                    "a": "lorem",
+                    "b": "ipsum",
+                },
+            }),
+        )
+        .await;
+        fs.with_git_state(Path::new("/foo/.git"), true, |_git| {})
+            .unwrap();
+        let repository = fs.open_repo(Path::new("/foo/.git")).unwrap();
+
+        let checkpoint_1 = repository.checkpoint().await.unwrap();
+        fs.write(Path::new("/foo/b"), b"IPSUM").await.unwrap();
+        fs.write(Path::new("/foo/c"), b"dolor").await.unwrap();
+        let checkpoint_2 = repository.checkpoint().await.unwrap();
+        let checkpoint_3 = repository.checkpoint().await.unwrap();
+
+        assert!(
+            repository
+                .compare_checkpoints(checkpoint_2.clone(), checkpoint_3.clone())
+                .await
+                .unwrap()
+        );
+        assert!(
+            !repository
+                .compare_checkpoints(checkpoint_1.clone(), checkpoint_2.clone())
+                .await
+                .unwrap()
+        );
+
+        repository.restore_checkpoint(checkpoint_1).await.unwrap();
+        assert_eq!(
+            fs.files_with_contents(Path::new("")),
+            [
+                (Path::new(path!("/bar/baz")).into(), b"qux".into()),
+                (Path::new(path!("/foo/a")).into(), b"lorem".into()),
+                (Path::new(path!("/foo/b")).into(), b"ipsum".into())
+            ]
+        );
+    }
 }
diff --git a/crates/fs/src/fs.rs b/crates/fs/src/fs.rs
index a76ccee2bf..75312c5c0c 100644
--- a/crates/fs/src/fs.rs
+++ b/crates/fs/src/fs.rs
@@ -12,7 +12,7 @@ use gpui::BackgroundExecutor;
 use gpui::Global;
 use gpui::ReadGlobal as _;
 use std::borrow::Cow;
-use util::command::new_std_command;
+use util::command::{new_smol_command, new_std_command};
 
 #[cfg(unix)]
 use std::os::fd::{AsFd, AsRawFd};
@@ -134,6 +134,7 @@ pub trait Fs: Send + Sync {
     fn home_dir(&self) -> Option<PathBuf>;
     fn open_repo(&self, abs_dot_git: &Path) -> Option<Arc<dyn GitRepository>>;
     fn git_init(&self, abs_work_directory: &Path, fallback_branch_name: String) -> Result<()>;
+    async fn git_clone(&self, repo_url: &str, abs_work_directory: &Path) -> Result<()>;
     fn is_fake(&self) -> bool;
     async fn is_case_sensitive(&self) -> Result<bool>;
 
@@ -419,18 +420,19 @@ impl Fs for RealFs {
 
     async fn remove_file(&self, path: &Path, options: RemoveOptions) -> Result<()> {
         #[cfg(windows)]
-        if let Ok(Some(metadata)) = self.metadata(path).await {
-            if metadata.is_symlink && metadata.is_dir {
-                self.remove_dir(
-                    path,
-                    RemoveOptions {
-                        recursive: false,
-                        ignore_if_not_exists: true,
-                    },
-                )
-                .await?;
-                return Ok(());
-            }
+        if let Ok(Some(metadata)) = self.metadata(path).await
+            && metadata.is_symlink
+            && metadata.is_dir
+        {
+            self.remove_dir(
+                path,
+                RemoveOptions {
+                    recursive: false,
+                    ignore_if_not_exists: true,
+                },
+            )
+            .await?;
+            return Ok(());
         }
 
         match smol::fs::remove_file(path).await {
@@ -466,11 +468,11 @@ impl Fs for RealFs {
 
     #[cfg(any(target_os = "linux", target_os = "freebsd"))]
     async fn trash_file(&self, path: &Path, _options: RemoveOptions) -> Result<()> {
-        if let Ok(Some(metadata)) = self.metadata(path).await {
-            if metadata.is_symlink {
-                // TODO: trash_file does not support trashing symlinks yet - https://github.com/bilelmoussaoui/ashpd/issues/255
-                return self.remove_file(path, RemoveOptions::default()).await;
-            }
+        if let Ok(Some(metadata)) = self.metadata(path).await
+            && metadata.is_symlink
+        {
+            // TODO: trash_file does not support trashing symlinks yet - https://github.com/bilelmoussaoui/ashpd/issues/255
+            return self.remove_file(path, RemoveOptions::default()).await;
         }
         let file = smol::fs::File::open(path).await?;
         match trash::trash_file(&file.as_fd()).await {
@@ -623,13 +625,13 @@ impl Fs for RealFs {
     async fn is_file(&self, path: &Path) -> bool {
         smol::fs::metadata(path)
             .await
-            .map_or(false, |metadata| metadata.is_file())
+            .is_ok_and(|metadata| metadata.is_file())
     }
 
     async fn is_dir(&self, path: &Path) -> bool {
         smol::fs::metadata(path)
             .await
-            .map_or(false, |metadata| metadata.is_dir())
+            .is_ok_and(|metadata| metadata.is_dir())
     }
 
     async fn metadata(&self, path: &Path) -> Result<Option<Metadata>> {
@@ -765,24 +767,23 @@ impl Fs for RealFs {
         let pending_paths: Arc<Mutex<Vec<PathEvent>>> = Default::default();
         let watcher = Arc::new(fs_watcher::FsWatcher::new(tx, pending_paths.clone()));
 
-        if watcher.add(path).is_err() {
-            // If the path doesn't exist yet (e.g. settings.json), watch the parent dir to learn when it's created.
-            if let Some(parent) = path.parent() {
-                if let Err(e) = watcher.add(parent) {
-                    log::warn!("Failed to watch: {e}");
-                }
-            }
+        // If the path doesn't exist yet (e.g. settings.json), watch the parent dir to learn when it's created.
+        if watcher.add(path).is_err()
+            && let Some(parent) = path.parent()
+            && let Err(e) = watcher.add(parent)
+        {
+            log::warn!("Failed to watch: {e}");
         }
 
         // Check if path is a symlink and follow the target parent
-        if let Some(mut target) = self.read_link(&path).await.ok() {
+        if let Some(mut target) = self.read_link(path).await.ok() {
             // Check if symlink target is relative path, if so make it absolute
-            if target.is_relative() {
-                if let Some(parent) = path.parent() {
-                    target = parent.join(target);
-                    if let Ok(canonical) = self.canonicalize(&target).await {
-                        target = SanitizedPath::from(canonical).as_path().to_path_buf();
-                    }
+            if target.is_relative()
+                && let Some(parent) = path.parent()
+            {
+                target = parent.join(target);
+                if let Ok(canonical) = self.canonicalize(&target).await {
+                    target = SanitizedPath::from(canonical).as_path().to_path_buf();
                 }
             }
             watcher.add(&target).ok();
@@ -839,6 +840,23 @@ impl Fs for RealFs {
         Ok(())
     }
 
+    async fn git_clone(&self, repo_url: &str, abs_work_directory: &Path) -> Result<()> {
+        let output = new_smol_command("git")
+            .current_dir(abs_work_directory)
+            .args(&["clone", repo_url])
+            .output()
+            .await?;
+
+        if !output.status.success() {
+            anyhow::bail!(
+                "git clone failed: {}",
+                String::from_utf8_lossy(&output.stderr)
+            );
+        }
+
+        Ok(())
+    }
+
     fn is_fake(&self) -> bool {
         false
     }
@@ -906,7 +924,7 @@ pub struct FakeFs {
 
 #[cfg(any(test, feature = "test-support"))]
 struct FakeFsState {
-    root: Arc<Mutex<FakeFsEntry>>,
+    root: FakeFsEntry,
     next_inode: u64,
     next_mtime: SystemTime,
     git_event_tx: smol::channel::Sender<PathBuf>,
@@ -921,7 +939,7 @@ struct FakeFsState {
 }
 
 #[cfg(any(test, feature = "test-support"))]
-#[derive(Debug)]
+#[derive(Clone, Debug)]
 enum FakeFsEntry {
     File {
         inode: u64,
@@ -935,7 +953,7 @@ enum FakeFsEntry {
         inode: u64,
         mtime: MTime,
         len: u64,
-        entries: BTreeMap<String, Arc<Mutex<FakeFsEntry>>>,
+        entries: BTreeMap<String, FakeFsEntry>,
         git_repo_state: Option<Arc<Mutex<FakeGitRepositoryState>>>,
     },
     Symlink {
@@ -943,6 +961,67 @@ enum FakeFsEntry {
     },
 }
 
+#[cfg(any(test, feature = "test-support"))]
+impl PartialEq for FakeFsEntry {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (
+                Self::File {
+                    inode: l_inode,
+                    mtime: l_mtime,
+                    len: l_len,
+                    content: l_content,
+                    git_dir_path: l_git_dir_path,
+                },
+                Self::File {
+                    inode: r_inode,
+                    mtime: r_mtime,
+                    len: r_len,
+                    content: r_content,
+                    git_dir_path: r_git_dir_path,
+                },
+            ) => {
+                l_inode == r_inode
+                    && l_mtime == r_mtime
+                    && l_len == r_len
+                    && l_content == r_content
+                    && l_git_dir_path == r_git_dir_path
+            }
+            (
+                Self::Dir {
+                    inode: l_inode,
+                    mtime: l_mtime,
+                    len: l_len,
+                    entries: l_entries,
+                    git_repo_state: l_git_repo_state,
+                },
+                Self::Dir {
+                    inode: r_inode,
+                    mtime: r_mtime,
+                    len: r_len,
+                    entries: r_entries,
+                    git_repo_state: r_git_repo_state,
+                },
+            ) => {
+                let same_repo_state = match (l_git_repo_state.as_ref(), r_git_repo_state.as_ref()) {
+                    (Some(l), Some(r)) => Arc::ptr_eq(l, r),
+                    (None, None) => true,
+                    _ => false,
+                };
+                l_inode == r_inode
+                    && l_mtime == r_mtime
+                    && l_len == r_len
+                    && l_entries == r_entries
+                    && same_repo_state
+            }
+            (Self::Symlink { target: l_target }, Self::Symlink { target: r_target }) => {
+                l_target == r_target
+            }
+            _ => false,
+        }
+    }
+}
+
 #[cfg(any(test, feature = "test-support"))]
 impl FakeFsState {
     fn get_and_increment_mtime(&mut self) -> MTime {
@@ -957,25 +1036,9 @@ impl FakeFsState {
         inode
     }
 
-    fn read_path(&self, target: &Path) -> Result<Arc<Mutex<FakeFsEntry>>> {
-        Ok(self
-            .try_read_path(target, true)
-            .ok_or_else(|| {
-                anyhow!(io::Error::new(
-                    io::ErrorKind::NotFound,
-                    format!("not found: {target:?}")
-                ))
-            })?
-            .0)
-    }
-
-    fn try_read_path(
-        &self,
-        target: &Path,
-        follow_symlink: bool,
-    ) -> Option<(Arc<Mutex<FakeFsEntry>>, PathBuf)> {
-        let mut path = target.to_path_buf();
+    fn canonicalize(&self, target: &Path, follow_symlink: bool) -> Option<PathBuf> {
         let mut canonical_path = PathBuf::new();
+        let mut path = target.to_path_buf();
         let mut entry_stack = Vec::new();
         'outer: loop {
             let mut path_components = path.components().peekable();
@@ -985,7 +1048,7 @@ impl FakeFsState {
                     Component::Prefix(prefix_component) => prefix = Some(prefix_component),
                     Component::RootDir => {
                         entry_stack.clear();
-                        entry_stack.push(self.root.clone());
+                        entry_stack.push(&self.root);
                         canonical_path.clear();
                         match prefix {
                             Some(prefix_component) => {
@@ -1002,20 +1065,18 @@ impl FakeFsState {
                         canonical_path.pop();
                     }
                     Component::Normal(name) => {
-                        let current_entry = entry_stack.last().cloned()?;
-                        let current_entry = current_entry.lock();
-                        if let FakeFsEntry::Dir { entries, .. } = &*current_entry {
-                            let entry = entries.get(name.to_str().unwrap()).cloned()?;
-                            if path_components.peek().is_some() || follow_symlink {
-                                let entry = entry.lock();
-                                if let FakeFsEntry::Symlink { target, .. } = &*entry {
-                                    let mut target = target.clone();
-                                    target.extend(path_components);
-                                    path = target;
-                                    continue 'outer;
-                                }
+                        let current_entry = *entry_stack.last()?;
+                        if let FakeFsEntry::Dir { entries, .. } = current_entry {
+                            let entry = entries.get(name.to_str().unwrap())?;
+                            if (path_components.peek().is_some() || follow_symlink)
+                                && let FakeFsEntry::Symlink { target, .. } = entry
+                            {
+                                let mut target = target.clone();
+                                target.extend(path_components);
+                                path = target;
+                                continue 'outer;
                             }
-                            entry_stack.push(entry.clone());
+                            entry_stack.push(entry);
                             canonical_path = canonical_path.join(name);
                         } else {
                             return None;
@@ -1025,19 +1086,74 @@ impl FakeFsState {
             }
             break;
         }
-        Some((entry_stack.pop()?, canonical_path))
+
+        if entry_stack.is_empty() {
+            None
+        } else {
+            Some(canonical_path)
+        }
     }
 
-    fn write_path<Fn, T>(&self, path: &Path, callback: Fn) -> Result<T>
+    fn try_entry(
+        &mut self,
+        target: &Path,
+        follow_symlink: bool,
+    ) -> Option<(&mut FakeFsEntry, PathBuf)> {
+        let canonical_path = self.canonicalize(target, follow_symlink)?;
+
+        let mut components = canonical_path
+            .components()
+            .skip_while(|component| matches!(component, Component::Prefix(_)));
+        let Some(Component::RootDir) = components.next() else {
+            panic!(
+                "the path {:?} was not canonicalized properly {:?}",
+                target, canonical_path
+            )
+        };
+
+        let mut entry = &mut self.root;
+        for component in components {
+            match component {
+                Component::Normal(name) => {
+                    if let FakeFsEntry::Dir { entries, .. } = entry {
+                        entry = entries.get_mut(name.to_str().unwrap())?;
+                    } else {
+                        return None;
+                    }
+                }
+                _ => {
+                    panic!(
+                        "the path {:?} was not canonicalized properly {:?}",
+                        target, canonical_path
+                    )
+                }
+            }
+        }
+
+        Some((entry, canonical_path))
+    }
+
+    fn entry(&mut self, target: &Path) -> Result<&mut FakeFsEntry> {
+        Ok(self
+            .try_entry(target, true)
+            .ok_or_else(|| {
+                anyhow!(io::Error::new(
+                    io::ErrorKind::NotFound,
+                    format!("not found: {target:?}")
+                ))
+            })?
+            .0)
+    }
+
+    fn write_path<Fn, T>(&mut self, path: &Path, callback: Fn) -> Result<T>
     where
-        Fn: FnOnce(btree_map::Entry<String, Arc<Mutex<FakeFsEntry>>>) -> Result<T>,
+        Fn: FnOnce(btree_map::Entry<String, FakeFsEntry>) -> Result<T>,
     {
         let path = normalize_path(path);
         let filename = path.file_name().context("cannot overwrite the root")?;
         let parent_path = path.parent().unwrap();
 
-        let parent = self.read_path(parent_path)?;
-        let mut parent = parent.lock();
+        let parent = self.entry(parent_path)?;
         let new_entry = parent
             .dir_entries(parent_path)?
             .entry(filename.to_str().unwrap().into());
@@ -1087,13 +1203,13 @@ impl FakeFs {
             this: this.clone(),
             executor: executor.clone(),
             state: Arc::new(Mutex::new(FakeFsState {
-                root: Arc::new(Mutex::new(FakeFsEntry::Dir {
+                root: FakeFsEntry::Dir {
                     inode: 0,
                     mtime: MTime(UNIX_EPOCH),
                     len: 0,
                     entries: Default::default(),
                     git_repo_state: None,
-                })),
+                },
                 git_event_tx: tx,
                 next_mtime: UNIX_EPOCH + Self::SYSTEMTIME_INTERVAL,
                 next_inode: 1,
@@ -1143,15 +1259,15 @@ impl FakeFs {
             .write_path(path, move |entry| {
                 match entry {
                     btree_map::Entry::Vacant(e) => {
-                        e.insert(Arc::new(Mutex::new(FakeFsEntry::File {
+                        e.insert(FakeFsEntry::File {
                             inode: new_inode,
                             mtime: new_mtime,
                             content: Vec::new(),
                             len: 0,
                             git_dir_path: None,
-                        })));
+                        });
                     }
-                    btree_map::Entry::Occupied(mut e) => match &mut *e.get_mut().lock() {
+                    btree_map::Entry::Occupied(mut e) => match &mut *e.get_mut() {
                         FakeFsEntry::File { mtime, .. } => *mtime = new_mtime,
                         FakeFsEntry::Dir { mtime, .. } => *mtime = new_mtime,
                         FakeFsEntry::Symlink { .. } => {}
@@ -1170,7 +1286,7 @@ impl FakeFs {
     pub async fn insert_symlink(&self, path: impl AsRef<Path>, target: PathBuf) {
         let mut state = self.state.lock();
         let path = path.as_ref();
-        let file = Arc::new(Mutex::new(FakeFsEntry::Symlink { target }));
+        let file = FakeFsEntry::Symlink { target };
         state
             .write_path(path.as_ref(), move |e| match e {
                 btree_map::Entry::Vacant(e) => {
@@ -1203,13 +1319,13 @@ impl FakeFs {
             match entry {
                 btree_map::Entry::Vacant(e) => {
                     kind = Some(PathEventKind::Created);
-                    e.insert(Arc::new(Mutex::new(FakeFsEntry::File {
+                    e.insert(FakeFsEntry::File {
                         inode: new_inode,
                         mtime: new_mtime,
                         len: new_len,
                         content: new_content,
                         git_dir_path: None,
-                    })));
+                    });
                 }
                 btree_map::Entry::Occupied(mut e) => {
                     kind = Some(PathEventKind::Changed);
@@ -1219,7 +1335,7 @@ impl FakeFs {
                         len,
                         content,
                         ..
-                    } = &mut *e.get_mut().lock()
+                    } = e.get_mut()
                     {
                         *mtime = new_mtime;
                         *content = new_content;
@@ -1241,9 +1357,8 @@ impl FakeFs {
     pub fn read_file_sync(&self, path: impl AsRef<Path>) -> Result<Vec<u8>> {
         let path = path.as_ref();
         let path = normalize_path(path);
-        let state = self.state.lock();
-        let entry = state.read_path(&path)?;
-        let entry = entry.lock();
+        let mut state = self.state.lock();
+        let entry = state.entry(&path)?;
         entry.file_content(&path).cloned()
     }
 
@@ -1251,9 +1366,8 @@ impl FakeFs {
         let path = path.as_ref();
         let path = normalize_path(path);
         self.simulate_random_delay().await;
-        let state = self.state.lock();
-        let entry = state.read_path(&path)?;
-        let entry = entry.lock();
+        let mut state = self.state.lock();
+        let entry = state.entry(&path)?;
         entry.file_content(&path).cloned()
     }
 
@@ -1274,6 +1388,25 @@ impl FakeFs {
         self.state.lock().flush_events(count);
     }
 
+    pub(crate) fn entry(&self, target: &Path) -> Result<FakeFsEntry> {
+        self.state.lock().entry(target).cloned()
+    }
+
+    pub(crate) fn insert_entry(&self, target: &Path, new_entry: FakeFsEntry) -> Result<()> {
+        let mut state = self.state.lock();
+        state.write_path(target, |entry| {
+            match entry {
+                btree_map::Entry::Vacant(vacant_entry) => {
+                    vacant_entry.insert(new_entry);
+                }
+                btree_map::Entry::Occupied(mut occupied_entry) => {
+                    occupied_entry.insert(new_entry);
+                }
+            }
+            Ok(())
+        })
+    }
+
     #[must_use]
     pub fn insert_tree<'a>(
         &'a self,
@@ -1343,20 +1476,19 @@ impl FakeFs {
         F: FnOnce(&mut FakeGitRepositoryState, &Path, &Path) -> T,
     {
         let mut state = self.state.lock();
-        let entry = state.read_path(dot_git).context("open .git")?;
-        let mut entry = entry.lock();
+        let git_event_tx = state.git_event_tx.clone();
+        let entry = state.entry(dot_git).context("open .git")?;
 
-        if let FakeFsEntry::Dir { git_repo_state, .. } = &mut *entry {
+        if let FakeFsEntry::Dir { git_repo_state, .. } = entry {
             let repo_state = git_repo_state.get_or_insert_with(|| {
                 log::debug!("insert git state for {dot_git:?}");
-                Arc::new(Mutex::new(FakeGitRepositoryState::new(
-                    state.git_event_tx.clone(),
-                )))
+                Arc::new(Mutex::new(FakeGitRepositoryState::new(git_event_tx)))
             });
             let mut repo_state = repo_state.lock();
 
             let result = f(&mut repo_state, dot_git, dot_git);
 
+            drop(repo_state);
             if emit_git_event {
                 state.emit_event([(dot_git, None)]);
             }
@@ -1380,21 +1512,20 @@ impl FakeFs {
                 }
             }
             .clone();
-            drop(entry);
-            let Some((git_dir_entry, canonical_path)) = state.try_read_path(&path, true) else {
+            let Some((git_dir_entry, canonical_path)) = state.try_entry(&path, true) else {
                 anyhow::bail!("pointed-to git dir {path:?} not found")
             };
             let FakeFsEntry::Dir {
                 git_repo_state,
                 entries,
                 ..
-            } = &mut *git_dir_entry.lock()
+            } = git_dir_entry
             else {
                 anyhow::bail!("gitfile points to a non-directory")
             };
             let common_dir = if let Some(child) = entries.get("commondir") {
                 Path::new(
-                    std::str::from_utf8(child.lock().file_content("commondir".as_ref())?)
+                    std::str::from_utf8(child.file_content("commondir".as_ref())?)
                         .context("commondir content")?,
                 )
                 .to_owned()
@@ -1402,15 +1533,14 @@ impl FakeFs {
                 canonical_path.clone()
             };
             let repo_state = git_repo_state.get_or_insert_with(|| {
-                Arc::new(Mutex::new(FakeGitRepositoryState::new(
-                    state.git_event_tx.clone(),
-                )))
+                Arc::new(Mutex::new(FakeGitRepositoryState::new(git_event_tx)))
             });
             let mut repo_state = repo_state.lock();
 
             let result = f(&mut repo_state, &canonical_path, &common_dir);
 
             if emit_git_event {
+                drop(repo_state);
                 state.emit_event([(canonical_path, None)]);
             }
 
@@ -1438,10 +1568,10 @@ impl FakeFs {
 
     pub fn insert_branches(&self, dot_git: &Path, branches: &[&str]) {
         self.with_git_state(dot_git, true, |state| {
-            if let Some(first) = branches.first() {
-                if state.current_branch_name.is_none() {
-                    state.current_branch_name = Some(first.to_string())
-                }
+            if let Some(first) = branches.first()
+                && state.current_branch_name.is_none()
+            {
+                state.current_branch_name = Some(first.to_string())
             }
             state
                 .branches
@@ -1549,7 +1679,7 @@ impl FakeFs {
     /// by mutating the head, index, and unmerged state.
     pub fn set_status_for_repo(&self, dot_git: &Path, statuses: &[(&Path, FileStatus)]) {
         let workdir_path = dot_git.parent().unwrap();
-        let workdir_contents = self.files_with_contents(&workdir_path);
+        let workdir_contents = self.files_with_contents(workdir_path);
         self.with_git_state(dot_git, true, |state| {
             state.index_contents.clear();
             state.head_contents.clear();
@@ -1637,14 +1767,12 @@ impl FakeFs {
     pub fn paths(&self, include_dot_git: bool) -> Vec<PathBuf> {
         let mut result = Vec::new();
         let mut queue = collections::VecDeque::new();
-        queue.push_back((
-            PathBuf::from(util::path!("/")),
-            self.state.lock().root.clone(),
-        ));
+        let state = &*self.state.lock();
+        queue.push_back((PathBuf::from(util::path!("/")), &state.root));
         while let Some((path, entry)) = queue.pop_front() {
-            if let FakeFsEntry::Dir { entries, .. } = &*entry.lock() {
+            if let FakeFsEntry::Dir { entries, .. } = entry {
                 for (name, entry) in entries {
-                    queue.push_back((path.join(name), entry.clone()));
+                    queue.push_back((path.join(name), entry));
                 }
             }
             if include_dot_git
@@ -1661,14 +1789,12 @@ impl FakeFs {
     pub fn directories(&self, include_dot_git: bool) -> Vec<PathBuf> {
         let mut result = Vec::new();
         let mut queue = collections::VecDeque::new();
-        queue.push_back((
-            PathBuf::from(util::path!("/")),
-            self.state.lock().root.clone(),
-        ));
+        let state = &*self.state.lock();
+        queue.push_back((PathBuf::from(util::path!("/")), &state.root));
         while let Some((path, entry)) = queue.pop_front() {
-            if let FakeFsEntry::Dir { entries, .. } = &*entry.lock() {
+            if let FakeFsEntry::Dir { entries, .. } = entry {
                 for (name, entry) in entries {
-                    queue.push_back((path.join(name), entry.clone()));
+                    queue.push_back((path.join(name), entry));
                 }
                 if include_dot_git
                     || !path
@@ -1685,17 +1811,14 @@ impl FakeFs {
     pub fn files(&self) -> Vec<PathBuf> {
         let mut result = Vec::new();
         let mut queue = collections::VecDeque::new();
-        queue.push_back((
-            PathBuf::from(util::path!("/")),
-            self.state.lock().root.clone(),
-        ));
+        let state = &*self.state.lock();
+        queue.push_back((PathBuf::from(util::path!("/")), &state.root));
         while let Some((path, entry)) = queue.pop_front() {
-            let e = entry.lock();
-            match &*e {
+            match entry {
                 FakeFsEntry::File { .. } => result.push(path),
                 FakeFsEntry::Dir { entries, .. } => {
                     for (name, entry) in entries {
-                        queue.push_back((path.join(name), entry.clone()));
+                        queue.push_back((path.join(name), entry));
                     }
                 }
                 FakeFsEntry::Symlink { .. } => {}
@@ -1707,13 +1830,10 @@ impl FakeFs {
     pub fn files_with_contents(&self, prefix: &Path) -> Vec<(PathBuf, Vec<u8>)> {
         let mut result = Vec::new();
         let mut queue = collections::VecDeque::new();
-        queue.push_back((
-            PathBuf::from(util::path!("/")),
-            self.state.lock().root.clone(),
-        ));
+        let state = &*self.state.lock();
+        queue.push_back((PathBuf::from(util::path!("/")), &state.root));
         while let Some((path, entry)) = queue.pop_front() {
-            let e = entry.lock();
-            match &*e {
+            match entry {
                 FakeFsEntry::File { content, .. } => {
                     if path.starts_with(prefix) {
                         result.push((path, content.clone()));
@@ -1721,7 +1841,7 @@ impl FakeFs {
                 }
                 FakeFsEntry::Dir { entries, .. } => {
                     for (name, entry) in entries {
-                        queue.push_back((path.join(name), entry.clone()));
+                        queue.push_back((path.join(name), entry));
                     }
                 }
                 FakeFsEntry::Symlink { .. } => {}
@@ -1787,10 +1907,7 @@ impl FakeFsEntry {
         }
     }
 
-    fn dir_entries(
-        &mut self,
-        path: &Path,
-    ) -> Result<&mut BTreeMap<String, Arc<Mutex<FakeFsEntry>>>> {
+    fn dir_entries(&mut self, path: &Path) -> Result<&mut BTreeMap<String, FakeFsEntry>> {
         if let Self::Dir { entries, .. } = self {
             Ok(entries)
         } else {
@@ -1837,13 +1954,13 @@ struct FakeHandle {
 impl FileHandle for FakeHandle {
     fn current_path(&self, fs: &Arc<dyn Fs>) -> Result<PathBuf> {
         let fs = fs.as_fake();
-        let state = fs.state.lock();
-        let Some(target) = state.moves.get(&self.inode) else {
+        let mut state = fs.state.lock();
+        let Some(target) = state.moves.get(&self.inode).cloned() else {
             anyhow::bail!("fake fd not moved")
         };
 
-        if state.try_read_path(&target, false).is_some() {
-            return Ok(target.clone());
+        if state.try_entry(&target, false).is_some() {
+            return Ok(target);
         }
         anyhow::bail!("fake fd target not found")
     }
@@ -1870,13 +1987,13 @@ impl Fs for FakeFs {
             state.write_path(&cur_path, |entry| {
                 entry.or_insert_with(|| {
                     created_dirs.push((cur_path.clone(), Some(PathEventKind::Created)));
-                    Arc::new(Mutex::new(FakeFsEntry::Dir {
+                    FakeFsEntry::Dir {
                         inode,
                         mtime,
                         len: 0,
                         entries: Default::default(),
                         git_repo_state: None,
-                    }))
+                    }
                 });
                 Ok(())
             })?
@@ -1891,13 +2008,13 @@ impl Fs for FakeFs {
         let mut state = self.state.lock();
         let inode = state.get_and_increment_inode();
         let mtime = state.get_and_increment_mtime();
-        let file = Arc::new(Mutex::new(FakeFsEntry::File {
+        let file = FakeFsEntry::File {
             inode,
             mtime,
             len: 0,
             content: Vec::new(),
             git_dir_path: None,
-        }));
+        };
         let mut kind = Some(PathEventKind::Created);
         state.write_path(path, |entry| {
             match entry {
@@ -1921,7 +2038,7 @@ impl Fs for FakeFs {
 
     async fn create_symlink(&self, path: &Path, target: PathBuf) -> Result<()> {
         let mut state = self.state.lock();
-        let file = Arc::new(Mutex::new(FakeFsEntry::Symlink { target }));
+        let file = FakeFsEntry::Symlink { target };
         state
             .write_path(path.as_ref(), move |e| match e {
                 btree_map::Entry::Vacant(e) => {
@@ -1984,7 +2101,7 @@ impl Fs for FakeFs {
             }
         })?;
 
-        let inode = match *moved_entry.lock() {
+        let inode = match moved_entry {
             FakeFsEntry::File { inode, .. } => inode,
             FakeFsEntry::Dir { inode, .. } => inode,
             _ => 0,
@@ -2033,8 +2150,8 @@ impl Fs for FakeFs {
         let mut state = self.state.lock();
         let mtime = state.get_and_increment_mtime();
         let inode = state.get_and_increment_inode();
-        let source_entry = state.read_path(&source)?;
-        let content = source_entry.lock().file_content(&source)?.clone();
+        let source_entry = state.entry(&source)?;
+        let content = source_entry.file_content(&source)?.clone();
         let mut kind = Some(PathEventKind::Created);
         state.write_path(&target, |e| match e {
             btree_map::Entry::Occupied(e) => {
@@ -2048,13 +2165,13 @@ impl Fs for FakeFs {
                 }
             }
             btree_map::Entry::Vacant(e) => Ok(Some(
-                e.insert(Arc::new(Mutex::new(FakeFsEntry::File {
+                e.insert(FakeFsEntry::File {
                     inode,
                     mtime,
                     len: content.len() as u64,
                     content,
                     git_dir_path: None,
-                })))
+                })
                 .clone(),
             )),
         })?;
@@ -2070,8 +2187,7 @@ impl Fs for FakeFs {
         let base_name = path.file_name().context("cannot remove the root")?;
 
         let mut state = self.state.lock();
-        let parent_entry = state.read_path(parent_path)?;
-        let mut parent_entry = parent_entry.lock();
+        let parent_entry = state.entry(parent_path)?;
         let entry = parent_entry
             .dir_entries(parent_path)?
             .entry(base_name.to_str().unwrap().into());
@@ -2082,15 +2198,14 @@ impl Fs for FakeFs {
                     anyhow::bail!("{path:?} does not exist");
                 }
             }
-            btree_map::Entry::Occupied(e) => {
+            btree_map::Entry::Occupied(mut entry) => {
                 {
-                    let mut entry = e.get().lock();
-                    let children = entry.dir_entries(&path)?;
+                    let children = entry.get_mut().dir_entries(&path)?;
                     if !options.recursive && !children.is_empty() {
                         anyhow::bail!("{path:?} is not empty");
                     }
                 }
-                e.remove();
+                entry.remove();
             }
         }
         state.emit_event([(path, Some(PathEventKind::Removed))]);
@@ -2104,8 +2219,7 @@ impl Fs for FakeFs {
         let parent_path = path.parent().context("cannot remove the root")?;
         let base_name = path.file_name().unwrap();
         let mut state = self.state.lock();
-        let parent_entry = state.read_path(parent_path)?;
-        let mut parent_entry = parent_entry.lock();
+        let parent_entry = state.entry(parent_path)?;
         let entry = parent_entry
             .dir_entries(parent_path)?
             .entry(base_name.to_str().unwrap().into());
@@ -2115,9 +2229,9 @@ impl Fs for FakeFs {
                     anyhow::bail!("{path:?} does not exist");
                 }
             }
-            btree_map::Entry::Occupied(e) => {
-                e.get().lock().file_content(&path)?;
-                e.remove();
+            btree_map::Entry::Occupied(mut entry) => {
+                entry.get_mut().file_content(&path)?;
+                entry.remove();
             }
         }
         state.emit_event([(path, Some(PathEventKind::Removed))]);
@@ -2131,12 +2245,10 @@ impl Fs for FakeFs {
 
     async fn open_handle(&self, path: &Path) -> Result<Arc<dyn FileHandle>> {
         self.simulate_random_delay().await;
-        let state = self.state.lock();
-        let entry = state.read_path(&path)?;
-        let entry = entry.lock();
-        let inode = match *entry {
-            FakeFsEntry::File { inode, .. } => inode,
-            FakeFsEntry::Dir { inode, .. } => inode,
+        let mut state = self.state.lock();
+        let inode = match state.entry(path)? {
+            FakeFsEntry::File { inode, .. } => *inode,
+            FakeFsEntry::Dir { inode, .. } => *inode,
             _ => unreachable!(),
         };
         Ok(Arc::new(FakeHandle { inode }))
@@ -2144,7 +2256,7 @@ impl Fs for FakeFs {
 
     async fn load(&self, path: &Path) -> Result<String> {
         let content = self.load_internal(path).await?;
-        Ok(String::from_utf8(content.clone())?)
+        Ok(String::from_utf8(content)?)
     }
 
     async fn load_bytes(&self, path: &Path) -> Result<Vec<u8>> {
@@ -2154,6 +2266,9 @@ impl Fs for FakeFs {
     async fn atomic_write(&self, path: PathBuf, data: String) -> Result<()> {
         self.simulate_random_delay().await;
         let path = normalize_path(path.as_path());
+        if let Some(path) = path.parent() {
+            self.create_dir(path).await?;
+        }
         self.write_file_internal(path, data.into_bytes(), true)?;
         Ok(())
     }
@@ -2183,8 +2298,8 @@ impl Fs for FakeFs {
         let path = normalize_path(path);
         self.simulate_random_delay().await;
         let state = self.state.lock();
-        let (_, canonical_path) = state
-            .try_read_path(&path, true)
+        let canonical_path = state
+            .canonicalize(&path, true)
             .with_context(|| format!("path does not exist: {path:?}"))?;
         Ok(canonical_path)
     }
@@ -2192,9 +2307,9 @@ impl Fs for FakeFs {
     async fn is_file(&self, path: &Path) -> bool {
         let path = normalize_path(path);
         self.simulate_random_delay().await;
-        let state = self.state.lock();
-        if let Some((entry, _)) = state.try_read_path(&path, true) {
-            entry.lock().is_file()
+        let mut state = self.state.lock();
+        if let Some((entry, _)) = state.try_entry(&path, true) {
+            entry.is_file()
         } else {
             false
         }
@@ -2211,17 +2326,16 @@ impl Fs for FakeFs {
         let path = normalize_path(path);
         let mut state = self.state.lock();
         state.metadata_call_count += 1;
-        if let Some((mut entry, _)) = state.try_read_path(&path, false) {
-            let is_symlink = entry.lock().is_symlink();
+        if let Some((mut entry, _)) = state.try_entry(&path, false) {
+            let is_symlink = entry.is_symlink();
             if is_symlink {
-                if let Some(e) = state.try_read_path(&path, true).map(|e| e.0) {
+                if let Some(e) = state.try_entry(&path, true).map(|e| e.0) {
                     entry = e;
                 } else {
                     return Ok(None);
                 }
             }
 
-            let entry = entry.lock();
             Ok(Some(match &*entry {
                 FakeFsEntry::File {
                     inode, mtime, len, ..
@@ -2253,12 +2367,11 @@ impl Fs for FakeFs {
     async fn read_link(&self, path: &Path) -> Result<PathBuf> {
         self.simulate_random_delay().await;
         let path = normalize_path(path);
-        let state = self.state.lock();
+        let mut state = self.state.lock();
         let (entry, _) = state
-            .try_read_path(&path, false)
+            .try_entry(&path, false)
             .with_context(|| format!("path does not exist: {path:?}"))?;
-        let entry = entry.lock();
-        if let FakeFsEntry::Symlink { target } = &*entry {
+        if let FakeFsEntry::Symlink { target } = entry {
             Ok(target.clone())
         } else {
             anyhow::bail!("not a symlink: {path:?}")
@@ -2273,8 +2386,7 @@ impl Fs for FakeFs {
         let path = normalize_path(path);
         let mut state = self.state.lock();
         state.read_dir_call_count += 1;
-        let entry = state.read_path(&path)?;
-        let mut entry = entry.lock();
+        let entry = state.entry(&path)?;
         let children = entry.dir_entries(&path)?;
         let paths = children
             .keys()
@@ -2300,19 +2412,18 @@ impl Fs for FakeFs {
             tx,
             original_path: path.to_owned(),
             fs_state: self.state.clone(),
-            prefixes: Mutex::new(vec![path.to_owned()]),
+            prefixes: Mutex::new(vec![path]),
         });
         (
             Box::pin(futures::StreamExt::filter(rx, {
                 let watcher = watcher.clone();
                 move |events| {
                     let result = events.iter().any(|evt_path| {
-                        let result = watcher
+                        watcher
                             .prefixes
                             .lock()
                             .iter()
-                            .any(|prefix| evt_path.path.starts_with(prefix));
-                        result
+                            .any(|prefix| evt_path.path.starts_with(prefix))
                     });
                     let executor = executor.clone();
                     async move {
@@ -2338,6 +2449,7 @@ impl Fs for FakeFs {
                     dot_git_path: abs_dot_git.to_path_buf(),
                     repository_dir_path: repository_dir_path.to_owned(),
                     common_dir_path: common_dir_path.to_owned(),
+                    checkpoints: Arc::default(),
                 }) as _
             },
         )
@@ -2352,6 +2464,10 @@ impl Fs for FakeFs {
         smol::block_on(self.create_dir(&abs_work_directory_path.join(".git")))
     }
 
+    async fn git_clone(&self, _repo_url: &str, _abs_work_directory: &Path) -> Result<()> {
+        anyhow::bail!("Git clone is not supported in fake Fs")
+    }
+
     fn is_fake(&self) -> bool {
         true
     }
diff --git a/crates/fs/src/fs_watcher.rs b/crates/fs/src/fs_watcher.rs
index 9fdf2ad0b1..6ad03ba6df 100644
--- a/crates/fs/src/fs_watcher.rs
+++ b/crates/fs/src/fs_watcher.rs
@@ -1,6 +1,9 @@
 use notify::EventKind;
 use parking_lot::Mutex;
-use std::sync::{Arc, OnceLock};
+use std::{
+    collections::HashMap,
+    sync::{Arc, OnceLock},
+};
 use util::{ResultExt, paths::SanitizedPath};
 
 use crate::{PathEvent, PathEventKind, Watcher};
@@ -8,6 +11,7 @@ use crate::{PathEvent, PathEventKind, Watcher};
 pub struct FsWatcher {
     tx: smol::channel::Sender<()>,
     pending_path_events: Arc<Mutex<Vec<PathEvent>>>,
+    registrations: Mutex<HashMap<Arc<std::path::Path>, WatcherRegistrationId>>,
 }
 
 impl FsWatcher {
@@ -18,10 +22,24 @@ impl FsWatcher {
         Self {
             tx,
             pending_path_events,
+            registrations: Default::default(),
         }
     }
 }
 
+impl Drop for FsWatcher {
+    fn drop(&mut self) {
+        let mut registrations = self.registrations.lock();
+        let registrations = registrations.drain();
+
+        let _ = global(|g| {
+            for (_, registration) in registrations {
+                g.remove(registration);
+            }
+        });
+    }
+}
+
 impl Watcher for FsWatcher {
     fn add(&self, path: &std::path::Path) -> anyhow::Result<()> {
         let root_path = SanitizedPath::from(path);
@@ -29,75 +47,143 @@ impl Watcher for FsWatcher {
         let tx = self.tx.clone();
         let pending_paths = self.pending_path_events.clone();
 
-        use notify::Watcher;
+        let path: Arc<std::path::Path> = path.into();
 
-        global({
+        if self.registrations.lock().contains_key(&path) {
+            return Ok(());
+        }
+
+        let registration_id = global({
+            let path = path.clone();
             |g| {
-                g.add(move |event: &notify::Event| {
-                    let kind = match event.kind {
-                        EventKind::Create(_) => Some(PathEventKind::Created),
-                        EventKind::Modify(_) => Some(PathEventKind::Changed),
-                        EventKind::Remove(_) => Some(PathEventKind::Removed),
-                        _ => None,
-                    };
-                    let mut path_events = event
-                        .paths
-                        .iter()
-                        .filter_map(|event_path| {
-                            let event_path = SanitizedPath::from(event_path);
-                            event_path.starts_with(&root_path).then(|| PathEvent {
-                                path: event_path.as_path().to_path_buf(),
-                                kind,
+                g.add(
+                    path,
+                    notify::RecursiveMode::NonRecursive,
+                    move |event: &notify::Event| {
+                        let kind = match event.kind {
+                            EventKind::Create(_) => Some(PathEventKind::Created),
+                            EventKind::Modify(_) => Some(PathEventKind::Changed),
+                            EventKind::Remove(_) => Some(PathEventKind::Removed),
+                            _ => None,
+                        };
+                        let mut path_events = event
+                            .paths
+                            .iter()
+                            .filter_map(|event_path| {
+                                let event_path = SanitizedPath::from(event_path);
+                                event_path.starts_with(&root_path).then(|| PathEvent {
+                                    path: event_path.as_path().to_path_buf(),
+                                    kind,
+                                })
                             })
-                        })
-                        .collect::<Vec<_>>();
+                            .collect::<Vec<_>>();
 
-                    if !path_events.is_empty() {
-                        path_events.sort();
-                        let mut pending_paths = pending_paths.lock();
-                        if pending_paths.is_empty() {
-                            tx.try_send(()).ok();
+                        if !path_events.is_empty() {
+                            path_events.sort();
+                            let mut pending_paths = pending_paths.lock();
+                            if pending_paths.is_empty() {
+                                tx.try_send(()).ok();
+                            }
+                            util::extend_sorted(
+                                &mut *pending_paths,
+                                path_events,
+                                usize::MAX,
+                                |a, b| a.path.cmp(&b.path),
+                            );
                         }
-                        util::extend_sorted(
-                            &mut *pending_paths,
-                            path_events,
-                            usize::MAX,
-                            |a, b| a.path.cmp(&b.path),
-                        );
-                    }
-                })
+                    },
+                )
             }
-        })?;
-
-        global(|g| {
-            g.watcher
-                .lock()
-                .watch(path, notify::RecursiveMode::NonRecursive)
         })??;
 
+        self.registrations.lock().insert(path, registration_id);
+
         Ok(())
     }
 
     fn remove(&self, path: &std::path::Path) -> anyhow::Result<()> {
-        use notify::Watcher;
-        Ok(global(|w| w.watcher.lock().unwatch(path))??)
+        let Some(registration) = self.registrations.lock().remove(path) else {
+            return Ok(());
+        };
+
+        global(|w| w.remove(registration))
     }
 }
 
+#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct WatcherRegistrationId(u32);
+
+struct WatcherRegistrationState {
+    callback: Arc<dyn Fn(&notify::Event) + Send + Sync>,
+    path: Arc<std::path::Path>,
+}
+
+struct WatcherState {
+    watchers: HashMap<WatcherRegistrationId, WatcherRegistrationState>,
+    path_registrations: HashMap<Arc<std::path::Path>, u32>,
+    last_registration: WatcherRegistrationId,
+}
+
 pub struct GlobalWatcher {
+    state: Mutex<WatcherState>,
+
+    // DANGER: never keep the state lock while holding the watcher lock
     // two mutexes because calling watcher.add triggers an watcher.event, which needs watchers.
     #[cfg(target_os = "linux")]
-    pub(super) watcher: Mutex<notify::INotifyWatcher>,
+    watcher: Mutex<notify::INotifyWatcher>,
     #[cfg(target_os = "freebsd")]
-    pub(super) watcher: Mutex<notify::KqueueWatcher>,
+    watcher: Mutex<notify::KqueueWatcher>,
     #[cfg(target_os = "windows")]
-    pub(super) watcher: Mutex<notify::ReadDirectoryChangesWatcher>,
-    pub(super) watchers: Mutex<Vec<Box<dyn Fn(&notify::Event) + Send + Sync>>>,
+    watcher: Mutex<notify::ReadDirectoryChangesWatcher>,
 }
 
 impl GlobalWatcher {
-    pub(super) fn add(&self, cb: impl Fn(&notify::Event) + Send + Sync + 'static) {
-        self.watchers.lock().push(Box::new(cb))
+    #[must_use]
+    fn add(
+        &self,
+        path: Arc<std::path::Path>,
+        mode: notify::RecursiveMode,
+        cb: impl Fn(&notify::Event) + Send + Sync + 'static,
+    ) -> anyhow::Result<WatcherRegistrationId> {
+        use notify::Watcher;
+
+        self.watcher.lock().watch(&path, mode)?;
+
+        let mut state = self.state.lock();
+
+        let id = state.last_registration;
+        state.last_registration = WatcherRegistrationId(id.0 + 1);
+
+        let registration_state = WatcherRegistrationState {
+            callback: Arc::new(cb),
+            path: path.clone(),
+        };
+        state.watchers.insert(id, registration_state);
+        *state.path_registrations.entry(path).or_insert(0) += 1;
+
+        Ok(id)
+    }
+
+    pub fn remove(&self, id: WatcherRegistrationId) {
+        use notify::Watcher;
+        let mut state = self.state.lock();
+        let Some(registration_state) = state.watchers.remove(&id) else {
+            return;
+        };
+
+        let Some(count) = state.path_registrations.get_mut(&registration_state.path) else {
+            return;
+        };
+        *count -= 1;
+        if *count == 0 {
+            state.path_registrations.remove(&registration_state.path);
+
+            drop(state);
+            self.watcher
+                .lock()
+                .unwatch(&registration_state.path)
+                .log_err();
+        }
     }
 }
 
@@ -114,8 +200,16 @@ fn handle_event(event: Result<notify::Event, notify::Error>) {
         return;
     };
     global::<()>(move |watcher| {
-        for f in watcher.watchers.lock().iter() {
-            f(&event)
+        let callbacks = {
+            let state = watcher.state.lock();
+            state
+                .watchers
+                .values()
+                .map(|r| r.callback.clone())
+                .collect::<Vec<_>>()
+        };
+        for callback in callbacks {
+            callback(&event);
         }
     })
     .log_err();
@@ -124,8 +218,12 @@ fn handle_event(event: Result<notify::Event, notify::Error>) {
 pub fn global<T>(f: impl FnOnce(&GlobalWatcher) -> T) -> anyhow::Result<T> {
     let result = FS_WATCHER_INSTANCE.get_or_init(|| {
         notify::recommended_watcher(handle_event).map(|file_watcher| GlobalWatcher {
+            state: Mutex::new(WatcherState {
+                watchers: Default::default(),
+                path_registrations: Default::default(),
+                last_registration: Default::default(),
+            }),
             watcher: Mutex::new(file_watcher),
-            watchers: Default::default(),
         })
     });
     match result {
diff --git a/crates/fs/src/mac_watcher.rs b/crates/fs/src/mac_watcher.rs
index aa75ad31d9..7bd176639f 100644
--- a/crates/fs/src/mac_watcher.rs
+++ b/crates/fs/src/mac_watcher.rs
@@ -41,10 +41,9 @@ impl Watcher for MacWatcher {
         if let Some((watched_path, _)) = handles
             .range::<Path, _>((Bound::Unbounded, Bound::Included(path)))
             .next_back()
+            && path.starts_with(watched_path)
         {
-            if path.starts_with(watched_path) {
-                return Ok(());
-            }
+            return Ok(());
         }
 
         let (stream, handle) = EventStream::new(&[path], self.latency);
diff --git a/crates/fsevent/src/fsevent.rs b/crates/fsevent/src/fsevent.rs
index 81ca0a4114..c97ab5f35d 100644
--- a/crates/fsevent/src/fsevent.rs
+++ b/crates/fsevent/src/fsevent.rs
@@ -178,40 +178,39 @@ impl EventStream {
                     flags.contains(StreamFlags::USER_DROPPED)
                         || flags.contains(StreamFlags::KERNEL_DROPPED)
                 })
+                && let Some(last_valid_event_id) = state.last_valid_event_id.take()
             {
-                if let Some(last_valid_event_id) = state.last_valid_event_id.take() {
-                    fs::FSEventStreamStop(state.stream);
-                    fs::FSEventStreamInvalidate(state.stream);
-                    fs::FSEventStreamRelease(state.stream);
+                fs::FSEventStreamStop(state.stream);
+                fs::FSEventStreamInvalidate(state.stream);
+                fs::FSEventStreamRelease(state.stream);
 
-                    let stream_context = fs::FSEventStreamContext {
-                        version: 0,
-                        info,
-                        retain: None,
-                        release: None,
-                        copy_description: None,
-                    };
-                    let stream = fs::FSEventStreamCreate(
-                        cf::kCFAllocatorDefault,
-                        Self::trampoline,
-                        &stream_context,
-                        state.paths,
-                        last_valid_event_id,
-                        state.latency.as_secs_f64(),
-                        fs::kFSEventStreamCreateFlagFileEvents
-                            | fs::kFSEventStreamCreateFlagNoDefer
-                            | fs::kFSEventStreamCreateFlagWatchRoot,
-                    );
+                let stream_context = fs::FSEventStreamContext {
+                    version: 0,
+                    info,
+                    retain: None,
+                    release: None,
+                    copy_description: None,
+                };
+                let stream = fs::FSEventStreamCreate(
+                    cf::kCFAllocatorDefault,
+                    Self::trampoline,
+                    &stream_context,
+                    state.paths,
+                    last_valid_event_id,
+                    state.latency.as_secs_f64(),
+                    fs::kFSEventStreamCreateFlagFileEvents
+                        | fs::kFSEventStreamCreateFlagNoDefer
+                        | fs::kFSEventStreamCreateFlagWatchRoot,
+                );
 
-                    state.stream = stream;
-                    fs::FSEventStreamScheduleWithRunLoop(
-                        state.stream,
-                        cf::CFRunLoopGetCurrent(),
-                        cf::kCFRunLoopDefaultMode,
-                    );
-                    fs::FSEventStreamStart(state.stream);
-                    stream_restarted = true;
-                }
+                state.stream = stream;
+                fs::FSEventStreamScheduleWithRunLoop(
+                    state.stream,
+                    cf::CFRunLoopGetCurrent(),
+                    cf::kCFRunLoopDefaultMode,
+                );
+                fs::FSEventStreamStart(state.stream);
+                stream_restarted = true;
             }
 
             if !stream_restarted {
diff --git a/crates/fuzzy/src/matcher.rs b/crates/fuzzy/src/matcher.rs
index aff6390534..e649d47dd6 100644
--- a/crates/fuzzy/src/matcher.rs
+++ b/crates/fuzzy/src/matcher.rs
@@ -208,8 +208,15 @@ impl<'a> Matcher<'a> {
             return 1.0;
         }
 
-        let path_len = prefix.len() + path.len();
+        let limit = self.last_positions[query_idx];
+        let max_valid_index = (prefix.len() + path_lowercased.len()).saturating_sub(1);
+        let safe_limit = limit.min(max_valid_index);
 
+        if path_idx > safe_limit {
+            return 0.0;
+        }
+
+        let path_len = prefix.len() + path.len();
         if let Some(memoized) = self.score_matrix[query_idx * path_len + path_idx] {
             return memoized;
         }
@@ -218,16 +225,13 @@ impl<'a> Matcher<'a> {
         let mut best_position = 0;
 
         let query_char = self.lowercase_query[query_idx];
-        let limit = self.last_positions[query_idx];
-
-        let max_valid_index = (prefix.len() + path_lowercased.len()).saturating_sub(1);
-        let safe_limit = limit.min(max_valid_index);
 
         let mut last_slash = 0;
+
         for j in path_idx..=safe_limit {
             let extra_lowercase_chars_count = extra_lowercase_chars
                 .iter()
-                .take_while(|(i, _)| i < &&j)
+                .take_while(|&(&i, _)| i < j)
                 .map(|(_, increment)| increment)
                 .sum::<usize>();
             let j_regular = j - extra_lowercase_chars_count;
@@ -236,10 +240,9 @@ impl<'a> Matcher<'a> {
                 lowercase_prefix[j]
             } else {
                 let path_index = j - prefix.len();
-                if path_index < path_lowercased.len() {
-                    path_lowercased[path_index]
-                } else {
-                    continue;
+                match path_lowercased.get(path_index) {
+                    Some(&char) => char,
+                    None => continue,
                 }
             };
             let is_path_sep = path_char == MAIN_SEPARATOR;
@@ -255,18 +258,16 @@ impl<'a> Matcher<'a> {
             #[cfg(target_os = "windows")]
             let need_to_score = query_char == path_char || (is_path_sep && query_char == '_');
             if need_to_score {
-                let curr = if j_regular < prefix.len() {
-                    prefix[j_regular]
-                } else {
-                    path[j_regular - prefix.len()]
+                let curr = match prefix.get(j_regular) {
+                    Some(&curr) => curr,
+                    None => path[j_regular - prefix.len()],
                 };
 
                 let mut char_score = 1.0;
                 if j > path_idx {
-                    let last = if j_regular - 1 < prefix.len() {
-                        prefix[j_regular - 1]
-                    } else {
-                        path[j_regular - 1 - prefix.len()]
+                    let last = match prefix.get(j_regular - 1) {
+                        Some(&last) => last,
+                        None => path[j_regular - 1 - prefix.len()],
                     };
 
                     if last == MAIN_SEPARATOR {
diff --git a/crates/git/Cargo.toml b/crates/git/Cargo.toml
index ab2210094d..74656f1d4c 100644
--- a/crates/git/Cargo.toml
+++ b/crates/git/Cargo.toml
@@ -12,7 +12,7 @@ workspace = true
 path = "src/git.rs"
 
 [features]
-test-support = []
+test-support = ["rand"]
 
 [dependencies]
 anyhow.workspace = true
@@ -26,6 +26,7 @@ http_client.workspace = true
 log.workspace = true
 parking_lot.workspace = true
 regex.workspace = true
+rand = { workspace = true, optional = true }
 rope.workspace = true
 schemars.workspace = true
 serde.workspace = true
@@ -47,3 +48,4 @@ text = { workspace = true, features = ["test-support"] }
 unindent.workspace = true
 gpui = { workspace = true, features = ["test-support"] }
 tempfile.workspace = true
+rand.workspace = true
diff --git a/crates/git/src/blame.rs b/crates/git/src/blame.rs
index 2128fa55c3..24b2c44218 100644
--- a/crates/git/src/blame.rs
+++ b/crates/git/src/blame.rs
@@ -73,6 +73,7 @@ async fn run_git_blame(
         .current_dir(working_directory)
         .arg("blame")
         .arg("--incremental")
+        .arg("-w")
         .arg("--contents")
         .arg("-")
         .arg(path.as_os_str())
@@ -288,14 +289,12 @@ fn parse_git_blame(output: &str) -> Result<Vec<BlameEntry>> {
             }
         };
 
-        if done {
-            if let Some(entry) = current_entry.take() {
-                index.insert(entry.sha, entries.len());
+        if done && let Some(entry) = current_entry.take() {
+            index.insert(entry.sha, entries.len());
 
-                // We only want annotations that have a commit.
-                if !entry.sha.is_zero() {
-                    entries.push(entry);
-                }
+            // We only want annotations that have a commit.
+            if !entry.sha.is_zero() {
+                entries.push(entry);
             }
         }
     }
diff --git a/crates/git/src/git.rs b/crates/git/src/git.rs
index 553361e673..e84014129c 100644
--- a/crates/git/src/git.rs
+++ b/crates/git/src/git.rs
@@ -93,6 +93,8 @@ actions!(
         Init,
         /// Opens all modified files in the editor.
         OpenModifiedFiles,
+        /// Clones a repository.
+        Clone,
     ]
 );
 
@@ -117,6 +119,13 @@ impl Oid {
         Ok(Self(oid))
     }
 
+    #[cfg(any(test, feature = "test-support"))]
+    pub fn random(rng: &mut impl rand::Rng) -> Self {
+        let mut bytes = [0; 20];
+        rng.fill(&mut bytes);
+        Self::from_bytes(&bytes).unwrap()
+    }
+
     pub fn as_bytes(&self) -> &[u8] {
         self.0.as_bytes()
     }
diff --git a/crates/git/src/repository.rs b/crates/git/src/repository.rs
index a63315e69e..fd12dafa98 100644
--- a/crates/git/src/repository.rs
+++ b/crates/git/src/repository.rs
@@ -6,7 +6,7 @@ use collections::HashMap;
 use futures::future::BoxFuture;
 use futures::{AsyncWriteExt, FutureExt as _, select_biased};
 use git2::BranchType;
-use gpui::{AppContext as _, AsyncApp, BackgroundExecutor, SharedString};
+use gpui::{AppContext as _, AsyncApp, BackgroundExecutor, SharedString, Task};
 use parking_lot::Mutex;
 use rope::Rope;
 use schemars::JsonSchema;
@@ -269,10 +269,8 @@ impl GitExcludeOverride {
     pub async fn restore_original(&mut self) -> Result<()> {
         if let Some(ref original) = self.original_excludes {
             smol::fs::write(&self.git_exclude_path, original).await?;
-        } else {
-            if self.git_exclude_path.exists() {
-                smol::fs::remove_file(&self.git_exclude_path).await?;
-            }
+        } else if self.git_exclude_path.exists() {
+            smol::fs::remove_file(&self.git_exclude_path).await?;
         }
 
         self.added_excludes = None;
@@ -338,7 +336,7 @@ pub trait GitRepository: Send + Sync {
 
     fn merge_message(&self) -> BoxFuture<'_, Option<String>>;
 
-    fn status(&self, path_prefixes: &[RepoPath]) -> BoxFuture<'_, Result<GitStatus>>;
+    fn status(&self, path_prefixes: &[RepoPath]) -> Task<Result<GitStatus>>;
 
     fn branches(&self) -> BoxFuture<'_, Result<Vec<Branch>>>;
 
@@ -399,9 +397,9 @@ pub trait GitRepository: Send + Sync {
         &self,
         paths: Vec<RepoPath>,
         env: Arc<HashMap<String, String>>,
-    ) -> BoxFuture<Result<()>>;
+    ) -> BoxFuture<'_, Result<()>>;
 
-    fn stash_pop(&self, env: Arc<HashMap<String, String>>) -> BoxFuture<Result<()>>;
+    fn stash_pop(&self, env: Arc<HashMap<String, String>>) -> BoxFuture<'_, Result<()>>;
 
     fn push(
         &self,
@@ -463,6 +461,8 @@ pub trait GitRepository: Send + Sync {
         base_checkpoint: GitRepositoryCheckpoint,
         target_checkpoint: GitRepositoryCheckpoint,
     ) -> BoxFuture<'_, Result<String>>;
+
+    fn default_branch(&self) -> BoxFuture<'_, Result<Option<SharedString>>>;
 }
 
 pub enum DiffType {
@@ -844,21 +844,19 @@ impl GitRepository for RealGitRepository {
                         .stdin(Stdio::piped())
                         .stdout(Stdio::piped())
                         .spawn()?;
-                    child
-                        .stdin
-                        .take()
-                        .unwrap()
-                        .write_all(content.as_bytes())
-                        .await?;
+                    let mut stdin = child.stdin.take().unwrap();
+                    stdin.write_all(content.as_bytes()).await?;
+                    stdin.flush().await?;
+                    drop(stdin);
                     let output = child.output().await?.stdout;
-                    let sha = String::from_utf8(output)?;
+                    let sha = str::from_utf8(&output)?.trim();
 
                     log::debug!("indexing SHA: {sha}, path {path:?}");
 
                     let output = new_smol_command(&git_binary_path)
                         .current_dir(&working_directory)
                         .envs(env.iter())
-                        .args(["update-index", "--add", "--cacheinfo", "100644", &sha])
+                        .args(["update-index", "--add", "--cacheinfo", "100644", sha])
                         .arg(path.to_unix_style())
                         .output()
                         .await?;
@@ -869,6 +867,7 @@ impl GitRepository for RealGitRepository {
                         String::from_utf8_lossy(&output.stderr)
                     );
                 } else {
+                    log::debug!("removing path {path:?} from the index");
                     let output = new_smol_command(&git_binary_path)
                         .current_dir(&working_directory)
                         .envs(env.iter())
@@ -917,8 +916,9 @@ impl GitRepository for RealGitRepository {
                     .context("no stdin for git cat-file subprocess")?;
                 let mut stdin = BufWriter::new(stdin);
                 for rev in &revs {
-                    write!(&mut stdin, "{rev}\n")?;
+                    writeln!(&mut stdin, "{rev}")?;
                 }
+                stdin.flush()?;
                 drop(stdin);
 
                 let output = process.wait_with_output()?;
@@ -951,25 +951,27 @@ impl GitRepository for RealGitRepository {
             .boxed()
     }
 
-    fn status(&self, path_prefixes: &[RepoPath]) -> BoxFuture<'_, Result<GitStatus>> {
+    fn status(&self, path_prefixes: &[RepoPath]) -> Task<Result<GitStatus>> {
         let git_binary_path = self.git_binary_path.clone();
-        let working_directory = self.working_directory();
-        let path_prefixes = path_prefixes.to_owned();
-        self.executor
-            .spawn(async move {
-                let output = new_std_command(&git_binary_path)
-                    .current_dir(working_directory?)
-                    .args(git_status_args(&path_prefixes))
-                    .output()?;
-                if output.status.success() {
-                    let stdout = String::from_utf8_lossy(&output.stdout);
-                    stdout.parse()
-                } else {
-                    let stderr = String::from_utf8_lossy(&output.stderr);
-                    anyhow::bail!("git status failed: {stderr}");
-                }
-            })
-            .boxed()
+        let working_directory = match self.working_directory() {
+            Ok(working_directory) => working_directory,
+            Err(e) => return Task::ready(Err(e)),
+        };
+        let args = git_status_args(path_prefixes);
+        log::debug!("Checking for git status in {path_prefixes:?}");
+        self.executor.spawn(async move {
+            let output = new_std_command(&git_binary_path)
+                .current_dir(working_directory)
+                .args(args)
+                .output()?;
+            if output.status.success() {
+                let stdout = String::from_utf8_lossy(&output.stdout);
+                stdout.parse()
+            } else {
+                let stderr = String::from_utf8_lossy(&output.stderr);
+                anyhow::bail!("git status failed: {stderr}");
+            }
+        })
     }
 
     fn branches(&self) -> BoxFuture<'_, Result<Vec<Branch>>> {
@@ -1052,7 +1054,7 @@ impl GitRepository for RealGitRepository {
                 let (_, branch_name) = name.split_once("/").context("Unexpected branch format")?;
                 let revision = revision.get();
                 let branch_commit = revision.peel_to_commit()?;
-                let mut branch = repo.branch(&branch_name, &branch_commit, false)?;
+                let mut branch = repo.branch(branch_name, &branch_commit, false)?;
                 branch.set_upstream(Some(&name))?;
                 branch
             } else {
@@ -1201,7 +1203,7 @@ impl GitRepository for RealGitRepository {
         &self,
         paths: Vec<RepoPath>,
         env: Arc<HashMap<String, String>>,
-    ) -> BoxFuture<Result<()>> {
+    ) -> BoxFuture<'_, Result<()>> {
         let working_directory = self.working_directory();
         self.executor
             .spawn(async move {
@@ -1225,7 +1227,7 @@ impl GitRepository for RealGitRepository {
             .boxed()
     }
 
-    fn stash_pop(&self, env: Arc<HashMap<String, String>>) -> BoxFuture<Result<()>> {
+    fn stash_pop(&self, env: Arc<HashMap<String, String>>) -> BoxFuture<'_, Result<()>> {
         let working_directory = self.working_directory();
         self.executor
             .spawn(async move {
@@ -1443,12 +1445,11 @@ impl GitRepository for RealGitRepository {
 
                 let mut remote_branches = vec![];
                 let mut add_if_matching = async |remote_head: &str| {
-                    if let Ok(merge_base) = git_cmd(&["merge-base", &head, remote_head]).await {
-                        if merge_base.trim() == head {
-                            if let Some(s) = remote_head.strip_prefix("refs/remotes/") {
-                                remote_branches.push(s.to_owned().into());
-                            }
-                        }
+                    if let Ok(merge_base) = git_cmd(&["merge-base", &head, remote_head]).await
+                        && merge_base.trim() == head
+                        && let Some(s) = remote_head.strip_prefix("refs/remotes/")
+                    {
+                        remote_branches.push(s.to_owned().into());
                     }
                 };
 
@@ -1570,10 +1571,9 @@ impl GitRepository for RealGitRepository {
                     Err(error) => {
                         if let Some(GitBinaryCommandError { status, .. }) =
                             error.downcast_ref::<GitBinaryCommandError>()
+                            && status.code() == Some(1)
                         {
-                            if status.code() == Some(1) {
-                                return Ok(false);
-                            }
+                            return Ok(false);
                         }
 
                         Err(error)
@@ -1607,6 +1607,37 @@ impl GitRepository for RealGitRepository {
             })
             .boxed()
     }
+
+    fn default_branch(&self) -> BoxFuture<'_, Result<Option<SharedString>>> {
+        let working_directory = self.working_directory();
+        let git_binary_path = self.git_binary_path.clone();
+
+        let executor = self.executor.clone();
+        self.executor
+            .spawn(async move {
+                let working_directory = working_directory?;
+                let git = GitBinary::new(git_binary_path, working_directory, executor);
+
+                if let Ok(output) = git
+                    .run(&["symbolic-ref", "refs/remotes/upstream/HEAD"])
+                    .await
+                {
+                    let output = output
+                        .strip_prefix("refs/remotes/upstream/")
+                        .map(|s| SharedString::from(s.to_owned()));
+                    return Ok(output);
+                }
+
+                let output = git
+                    .run(&["symbolic-ref", "refs/remotes/origin/HEAD"])
+                    .await?;
+
+                Ok(output
+                    .strip_prefix("refs/remotes/origin/")
+                    .map(|s| SharedString::from(s.to_owned())))
+            })
+            .boxed()
+    }
 }
 
 fn git_status_args(path_prefixes: &[RepoPath]) -> Vec<OsString> {
@@ -1997,7 +2028,7 @@ fn parse_branch_input(input: &str) -> Result<Vec<Branch>> {
 
         branches.push(Branch {
             is_head: is_current_branch,
-            ref_name: ref_name,
+            ref_name,
             most_recent_commit: Some(CommitSummary {
                 sha: head_sha,
                 subject,
@@ -2019,7 +2050,7 @@ fn parse_branch_input(input: &str) -> Result<Vec<Branch>> {
 }
 
 fn parse_upstream_track(upstream_track: &str) -> Result<UpstreamTracking> {
-    if upstream_track == "" {
+    if upstream_track.is_empty() {
         return Ok(UpstreamTracking::Tracked(UpstreamTrackingStatus {
             ahead: 0,
             behind: 0,
@@ -2314,7 +2345,7 @@ mod tests {
         #[allow(clippy::octal_escapes)]
         let input = "*\0060964da10574cd9bf06463a53bf6e0769c5c45e\0\0refs/heads/zed-patches\0refs/remotes/origin/zed-patches\0\01733187470\0generated protobuf\n";
         assert_eq!(
-            parse_branch_input(&input).unwrap(),
+            parse_branch_input(input).unwrap(),
             vec![Branch {
                 is_head: true,
                 ref_name: "refs/heads/zed-patches".into(),
diff --git a/crates/git/src/status.rs b/crates/git/src/status.rs
index 6158b51798..71ca14c5b2 100644
--- a/crates/git/src/status.rs
+++ b/crates/git/src/status.rs
@@ -153,17 +153,11 @@ impl FileStatus {
     }
 
     pub fn is_conflicted(self) -> bool {
-        match self {
-            FileStatus::Unmerged { .. } => true,
-            _ => false,
-        }
+        matches!(self, FileStatus::Unmerged { .. })
     }
 
     pub fn is_ignored(self) -> bool {
-        match self {
-            FileStatus::Ignored => true,
-            _ => false,
-        }
+        matches!(self, FileStatus::Ignored)
     }
 
     pub fn has_changes(&self) -> bool {
@@ -176,40 +170,31 @@ impl FileStatus {
 
     pub fn is_modified(self) -> bool {
         match self {
-            FileStatus::Tracked(tracked) => match (tracked.index_status, tracked.worktree_status) {
-                (StatusCode::Modified, _) | (_, StatusCode::Modified) => true,
-                _ => false,
-            },
+            FileStatus::Tracked(tracked) => matches!(
+                (tracked.index_status, tracked.worktree_status),
+                (StatusCode::Modified, _) | (_, StatusCode::Modified)
+            ),
             _ => false,
         }
     }
 
     pub fn is_created(self) -> bool {
         match self {
-            FileStatus::Tracked(tracked) => match (tracked.index_status, tracked.worktree_status) {
-                (StatusCode::Added, _) | (_, StatusCode::Added) => true,
-                _ => false,
-            },
+            FileStatus::Tracked(tracked) => matches!(
+                (tracked.index_status, tracked.worktree_status),
+                (StatusCode::Added, _) | (_, StatusCode::Added)
+            ),
             FileStatus::Untracked => true,
             _ => false,
         }
     }
 
     pub fn is_deleted(self) -> bool {
-        match self {
-            FileStatus::Tracked(tracked) => match (tracked.index_status, tracked.worktree_status) {
-                (StatusCode::Deleted, _) | (_, StatusCode::Deleted) => true,
-                _ => false,
-            },
-            _ => false,
-        }
+        matches!(self, FileStatus::Tracked(tracked) if matches!((tracked.index_status, tracked.worktree_status), (StatusCode::Deleted, _) | (_, StatusCode::Deleted)))
     }
 
     pub fn is_untracked(self) -> bool {
-        match self {
-            FileStatus::Untracked => true,
-            _ => false,
-        }
+        matches!(self, FileStatus::Untracked)
     }
 
     pub fn summary(self) -> GitSummary {
@@ -468,7 +453,7 @@ impl FromStr for GitStatus {
                 Some((path, status))
             })
             .collect::<Vec<_>>();
-        entries.sort_unstable_by(|(a, _), (b, _)| a.cmp(&b));
+        entries.sort_unstable_by(|(a, _), (b, _)| a.cmp(b));
         // When a file exists in HEAD, is deleted in the index, and exists again in the working copy,
         // git produces two lines for it, one reading `D ` (deleted in index, unmodified in working copy)
         // and the other reading `??` (untracked). Merge these two into the equivalent of `DA`.
diff --git a/crates/git_hosting_providers/src/git_hosting_providers.rs b/crates/git_hosting_providers/src/git_hosting_providers.rs
index b31412ed4a..1d88c47f2e 100644
--- a/crates/git_hosting_providers/src/git_hosting_providers.rs
+++ b/crates/git_hosting_providers/src/git_hosting_providers.rs
@@ -49,13 +49,13 @@ pub fn register_additional_providers(
 
 pub fn get_host_from_git_remote_url(remote_url: &str) -> Result<String> {
     maybe!({
-        if let Some(remote_url) = remote_url.strip_prefix("git@") {
-            if let Some((host, _)) = remote_url.trim_start_matches("git@").split_once(':') {
-                return Some(host.to_string());
-            }
+        if let Some(remote_url) = remote_url.strip_prefix("git@")
+            && let Some((host, _)) = remote_url.trim_start_matches("git@").split_once(':')
+        {
+            return Some(host.to_string());
         }
 
-        Url::parse(&remote_url)
+        Url::parse(remote_url)
             .ok()
             .and_then(|remote_url| remote_url.host_str().map(|host| host.to_string()))
     })
diff --git a/crates/git_hosting_providers/src/providers/bitbucket.rs b/crates/git_hosting_providers/src/providers/bitbucket.rs
index 074a169135..26df7b567a 100644
--- a/crates/git_hosting_providers/src/providers/bitbucket.rs
+++ b/crates/git_hosting_providers/src/providers/bitbucket.rs
@@ -1,12 +1,22 @@
 use std::str::FromStr;
+use std::sync::LazyLock;
 
+use regex::Regex;
 use url::Url;
 
 use git::{
     BuildCommitPermalinkParams, BuildPermalinkParams, GitHostingProvider, ParsedGitRemote,
-    RemoteUrl,
+    PullRequest, RemoteUrl,
 };
 
+fn pull_request_regex() -> &'static Regex {
+    static PULL_REQUEST_REGEX: LazyLock<Regex> = LazyLock::new(|| {
+        // This matches Bitbucket PR reference pattern: (pull request #xxx)
+        Regex::new(r"\(pull request #(\d+)\)").unwrap()
+    });
+    &PULL_REQUEST_REGEX
+}
+
 pub struct Bitbucket {
     name: String,
     base_url: Url,
@@ -96,6 +106,22 @@ impl GitHostingProvider for Bitbucket {
         );
         permalink
     }
+
+    fn extract_pull_request(&self, remote: &ParsedGitRemote, message: &str) -> Option<PullRequest> {
+        // Check first line of commit message for PR references
+        let first_line = message.lines().next()?;
+
+        // Try to match against our PR patterns
+        let capture = pull_request_regex().captures(first_line)?;
+        let number = capture.get(1)?.as_str().parse::<u32>().ok()?;
+
+        // Construct the PR URL in Bitbucket format
+        let mut url = self.base_url();
+        let path = format!("/{}/{}/pull-requests/{}", remote.owner, remote.repo, number);
+        url.set_path(&path);
+
+        Some(PullRequest { number, url })
+    }
 }
 
 #[cfg(test)]
@@ -203,4 +229,34 @@ mod tests {
             "https://bitbucket.org/zed-industries/zed/src/f00b4r/main.rs#lines-24:48";
         assert_eq!(permalink.to_string(), expected_url.to_string())
     }
+
+    #[test]
+    fn test_bitbucket_pull_requests() {
+        use indoc::indoc;
+
+        let remote = ParsedGitRemote {
+            owner: "zed-industries".into(),
+            repo: "zed".into(),
+        };
+
+        let bitbucket = Bitbucket::public_instance();
+
+        // Test message without PR reference
+        let message = "This does not contain a pull request";
+        assert!(bitbucket.extract_pull_request(&remote, message).is_none());
+
+        // Pull request number at end of first line
+        let message = indoc! {r#"
+            Merged in feature-branch (pull request #123)
+
+            Some detailed description of the changes.
+        "#};
+
+        let pr = bitbucket.extract_pull_request(&remote, message).unwrap();
+        assert_eq!(pr.number, 123);
+        assert_eq!(
+            pr.url.as_str(),
+            "https://bitbucket.org/zed-industries/zed/pull-requests/123"
+        );
+    }
 }
diff --git a/crates/git_hosting_providers/src/providers/chromium.rs b/crates/git_hosting_providers/src/providers/chromium.rs
index b68c629ec7..5d940fb496 100644
--- a/crates/git_hosting_providers/src/providers/chromium.rs
+++ b/crates/git_hosting_providers/src/providers/chromium.rs
@@ -292,7 +292,7 @@ mod tests {
 
         assert_eq!(
             Chromium
-                .extract_pull_request(&remote, &message)
+                .extract_pull_request(&remote, message)
                 .unwrap()
                 .url
                 .as_str(),
diff --git a/crates/git_hosting_providers/src/providers/github.rs b/crates/git_hosting_providers/src/providers/github.rs
index 30f8d058a7..4475afeb49 100644
--- a/crates/git_hosting_providers/src/providers/github.rs
+++ b/crates/git_hosting_providers/src/providers/github.rs
@@ -474,7 +474,7 @@ mod tests {
 
         assert_eq!(
             github
-                .extract_pull_request(&remote, &message)
+                .extract_pull_request(&remote, message)
                 .unwrap()
                 .url
                 .as_str(),
@@ -488,6 +488,6 @@ mod tests {
             See the original PR, this is a fix.
             "#
         };
-        assert_eq!(github.extract_pull_request(&remote, &message), None);
+        assert_eq!(github.extract_pull_request(&remote, message), None);
     }
 }
diff --git a/crates/git_ui/Cargo.toml b/crates/git_ui/Cargo.toml
index 4c919249ee..35f7a60354 100644
--- a/crates/git_ui/Cargo.toml
+++ b/crates/git_ui/Cargo.toml
@@ -23,7 +23,6 @@ askpass.workspace = true
 buffer_diff.workspace = true
 call.workspace = true
 chrono.workspace = true
-client.workspace = true
 cloud_llm_client.workspace = true
 collections.workspace = true
 command_palette_hooks.workspace = true
@@ -71,6 +70,7 @@ windows.workspace = true
 ctor.workspace = true
 editor = { workspace = true, features = ["test-support"] }
 gpui = { workspace = true, features = ["test-support"] }
+indoc.workspace = true
 pretty_assertions.workspace = true
 project = { workspace = true, features = ["test-support"] }
 settings = { workspace = true, features = ["test-support"] }
diff --git a/crates/git_ui/src/blame_ui.rs b/crates/git_ui/src/blame_ui.rs
index f910de7bbe..2768e3dc68 100644
--- a/crates/git_ui/src/blame_ui.rs
+++ b/crates/git_ui/src/blame_ui.rs
@@ -172,7 +172,7 @@ impl BlameRenderer for GitBlameRenderer {
                 .clone()
                 .unwrap_or("<no name>".to_string())
                 .into(),
-            author_email: blame.author_mail.clone().unwrap_or("".to_string()).into(),
+            author_email: blame.author_mail.unwrap_or("".to_string()).into(),
             message: details,
         };
 
@@ -186,7 +186,7 @@ impl BlameRenderer for GitBlameRenderer {
             .get(0..8)
             .map(|sha| sha.to_string().into())
             .unwrap_or_else(|| commit_details.sha.clone());
-        let full_sha = commit_details.sha.to_string().clone();
+        let full_sha = commit_details.sha.to_string();
         let absolute_timestamp = format_local_timestamp(
             commit_details.commit_time,
             OffsetDateTime::now_utc(),
@@ -377,7 +377,7 @@ impl BlameRenderer for GitBlameRenderer {
                 has_parent: true,
             },
             repository.downgrade(),
-            workspace.clone(),
+            workspace,
             window,
             cx,
         )
diff --git a/crates/git_ui/src/branch_picker.rs b/crates/git_ui/src/branch_picker.rs
index 9eac3ce5af..fb56cdcc5d 100644
--- a/crates/git_ui/src/branch_picker.rs
+++ b/crates/git_ui/src/branch_picker.rs
@@ -13,7 +13,7 @@ use project::git_store::Repository;
 use std::sync::Arc;
 use time::OffsetDateTime;
 use time_format::format_local_timestamp;
-use ui::{HighlightedLabel, ListItem, ListItemSpacing, prelude::*};
+use ui::{HighlightedLabel, ListItem, ListItemSpacing, Tooltip, prelude::*};
 use util::ResultExt;
 use workspace::notifications::DetachAndPromptErr;
 use workspace::{ModalView, Workspace};
@@ -48,7 +48,7 @@ pub fn open(
     window: &mut Window,
     cx: &mut Context<Workspace>,
 ) {
-    let repository = workspace.project().read(cx).active_repository(cx).clone();
+    let repository = workspace.project().read(cx).active_repository(cx);
     let style = BranchListStyle::Modal;
     workspace.toggle_modal(window, cx, |window, cx| {
         BranchList::new(repository, style, rems(34.), window, cx)
@@ -90,11 +90,21 @@ impl BranchList {
         let all_branches_request = repository
             .clone()
             .map(|repository| repository.update(cx, |repository, _| repository.branches()));
+        let default_branch_request = repository
+            .clone()
+            .map(|repository| repository.update(cx, |repository, _| repository.default_branch()));
 
         cx.spawn_in(window, async move |this, cx| {
             let mut all_branches = all_branches_request
                 .context("No active repository")?
                 .await??;
+            let default_branch = default_branch_request
+                .context("No active repository")?
+                .await
+                .map(Result::ok)
+                .ok()
+                .flatten()
+                .flatten();
 
             let all_branches = cx
                 .background_spawn(async move {
@@ -124,6 +134,7 @@ impl BranchList {
 
             this.update_in(cx, |this, window, cx| {
                 this.picker.update(cx, |picker, cx| {
+                    picker.delegate.default_branch = default_branch;
                     picker.delegate.all_branches = Some(all_branches);
                     picker.refresh(window, cx);
                 })
@@ -133,7 +144,7 @@ impl BranchList {
         })
         .detach_and_log_err(cx);
 
-        let delegate = BranchListDelegate::new(repository.clone(), style);
+        let delegate = BranchListDelegate::new(repository, style);
         let picker = cx.new(|cx| Picker::uniform_list(delegate, window, cx));
 
         let _subscription = cx.subscribe(&picker, |_, _, _, cx| {
@@ -169,6 +180,7 @@ impl Focusable for BranchList {
 impl Render for BranchList {
     fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         v_flex()
+            .key_context("GitBranchSelector")
             .w(self.width)
             .on_modifiers_changed(cx.listener(Self::handle_modifiers_changed))
             .child(self.picker.clone())
@@ -192,6 +204,7 @@ struct BranchEntry {
 pub struct BranchListDelegate {
     matches: Vec<BranchEntry>,
     all_branches: Option<Vec<Branch>>,
+    default_branch: Option<SharedString>,
     repo: Option<Entity<Repository>>,
     style: BranchListStyle,
     selected_index: usize,
@@ -206,6 +219,7 @@ impl BranchListDelegate {
             repo,
             style,
             all_branches: None,
+            default_branch: None,
             selected_index: 0,
             last_query: Default::default(),
             modifiers: Default::default(),
@@ -214,6 +228,7 @@ impl BranchListDelegate {
 
     fn create_branch(
         &self,
+        from_branch: Option<SharedString>,
         new_branch_name: SharedString,
         window: &mut Window,
         cx: &mut Context<Picker<Self>>,
@@ -223,6 +238,11 @@ impl BranchListDelegate {
         };
         let new_branch_name = new_branch_name.to_string().replace(' ', "-");
         cx.spawn(async move |_, cx| {
+            if let Some(based_branch) = from_branch {
+                repo.update(cx, |repo, _| repo.change_branch(based_branch.to_string()))?
+                    .await??;
+            }
+
             repo.update(cx, |repo, _| {
                 repo.create_branch(new_branch_name.to_string())
             })?
@@ -353,12 +373,22 @@ impl PickerDelegate for BranchListDelegate {
         })
     }
 
-    fn confirm(&mut self, _secondary: bool, window: &mut Window, cx: &mut Context<Picker<Self>>) {
+    fn confirm(&mut self, secondary: bool, window: &mut Window, cx: &mut Context<Picker<Self>>) {
         let Some(entry) = self.matches.get(self.selected_index()) else {
             return;
         };
         if entry.is_new {
-            self.create_branch(entry.branch.name().to_owned().into(), window, cx);
+            let from_branch = if secondary {
+                self.default_branch.clone()
+            } else {
+                None
+            };
+            self.create_branch(
+                from_branch,
+                entry.branch.name().to_owned().into(),
+                window,
+                cx,
+            );
             return;
         }
 
@@ -439,6 +469,28 @@ impl PickerDelegate for BranchListDelegate {
             })
             .unwrap_or_else(|| (None, None));
 
+        let icon = if let Some(default_branch) = self.default_branch.clone()
+            && entry.is_new
+        {
+            Some(
+                IconButton::new("branch-from-default", IconName::GitBranchAlt)
+                    .on_click(cx.listener(move |this, _, window, cx| {
+                        this.delegate.set_selected_index(ix, window, cx);
+                        this.delegate.confirm(true, window, cx);
+                    }))
+                    .tooltip(move |window, cx| {
+                        Tooltip::for_action(
+                            format!("Create branch based off default: {default_branch}"),
+                            &menu::SecondaryConfirm,
+                            window,
+                            cx,
+                        )
+                    }),
+            )
+        } else {
+            None
+        };
+
         let branch_name = if entry.is_new {
             h_flex()
                 .gap_1()
@@ -504,7 +556,8 @@ impl PickerDelegate for BranchListDelegate {
                                     .color(Color::Muted)
                             }))
                         }),
-                ),
+                )
+                .end_slot::<IconButton>(icon),
         )
     }
 
diff --git a/crates/git_ui/src/commit_modal.rs b/crates/git_ui/src/commit_modal.rs
index 88ec2dc84e..cae4d28a83 100644
--- a/crates/git_ui/src/commit_modal.rs
+++ b/crates/git_ui/src/commit_modal.rs
@@ -1,9 +1,9 @@
 use crate::branch_picker::{self, BranchList};
 use crate::git_panel::{GitPanel, commit_message_editor};
-use client::DisableAiSettings;
 use git::repository::CommitOptions;
 use git::{Amend, Commit, GenerateCommitMessage, Signoff};
 use panel::{panel_button, panel_editor_style};
+use project::DisableAiSettings;
 use settings::Settings;
 use ui::{
     ContextMenu, KeybindingHint, PopoverMenu, PopoverMenuHandle, SplitButton, Tooltip, prelude::*,
@@ -35,7 +35,7 @@ impl ModalContainerProperties {
 
         // Calculate width based on character width
         let mut modal_width = 460.0;
-        let style = window.text_style().clone();
+        let style = window.text_style();
         let font_id = window.text_system().resolve_font(&style.font());
         let font_size = style.font_size.to_pixels(window.rem_size());
 
@@ -135,11 +135,10 @@ impl CommitModal {
                             .as_ref()
                             .and_then(|repo| repo.read(cx).head_commit.as_ref())
                             .is_some()
+                            && !git_panel.amend_pending()
                         {
-                            if !git_panel.amend_pending() {
-                                git_panel.set_amend_pending(true, cx);
-                                git_panel.load_last_commit_message_if_empty(cx);
-                            }
+                            git_panel.set_amend_pending(true, cx);
+                            git_panel.load_last_commit_message_if_empty(cx);
                         }
                     }
                     ForceMode::Commit => {
@@ -180,7 +179,7 @@ impl CommitModal {
 
         let commit_editor = git_panel.update(cx, |git_panel, cx| {
             git_panel.set_modal_open(true, cx);
-            let buffer = git_panel.commit_message_buffer(cx).clone();
+            let buffer = git_panel.commit_message_buffer(cx);
             let panel_editor = git_panel.commit_editor.clone();
             let project = git_panel.project.clone();
 
@@ -195,12 +194,12 @@ impl CommitModal {
 
         let commit_message = commit_editor.read(cx).text(cx);
 
-        if let Some(suggested_commit_message) = suggested_commit_message {
-            if commit_message.is_empty() {
-                commit_editor.update(cx, |editor, cx| {
-                    editor.set_placeholder_text(suggested_commit_message, cx);
-                });
-            }
+        if let Some(suggested_commit_message) = suggested_commit_message
+            && commit_message.is_empty()
+        {
+            commit_editor.update(cx, |editor, cx| {
+                editor.set_placeholder_text(suggested_commit_message, cx);
+            });
         }
 
         let focus_handle = commit_editor.focus_handle(cx);
@@ -272,7 +271,7 @@ impl CommitModal {
                     .child(
                         div()
                             .px_1()
-                            .child(Icon::new(IconName::ChevronDownSmall).size(IconSize::XSmall)),
+                            .child(Icon::new(IconName::ChevronDown).size(IconSize::XSmall)),
                     ),
             )
             .menu({
@@ -286,7 +285,7 @@ impl CommitModal {
                     Some(ContextMenu::build(window, cx, |context_menu, _, _| {
                         context_menu
                             .when_some(keybinding_target.clone(), |el, keybinding_target| {
-                                el.context(keybinding_target.clone())
+                                el.context(keybinding_target)
                             })
                             .when(has_previous_commit, |this| {
                                 this.toggleable_entry(
@@ -392,15 +391,9 @@ impl CommitModal {
             });
         let focus_handle = self.focus_handle(cx);
 
-        let close_kb_hint =
-            if let Some(close_kb) = ui::KeyBinding::for_action(&menu::Cancel, window, cx) {
-                Some(
-                    KeybindingHint::new(close_kb, cx.theme().colors().editor_background)
-                        .suffix("Cancel"),
-                )
-            } else {
-                None
-            };
+        let close_kb_hint = ui::KeyBinding::for_action(&menu::Cancel, window, cx).map(|close_kb| {
+            KeybindingHint::new(close_kb, cx.theme().colors().editor_background).suffix("Cancel")
+        });
 
         h_flex()
             .group("commit_editor_footer")
@@ -483,7 +476,7 @@ impl CommitModal {
                         }),
                         self.render_git_commit_menu(
                             ElementId::Name(format!("split-button-right-{}", commit_label).into()),
-                            Some(focus_handle.clone()),
+                            Some(focus_handle),
                         )
                         .into_any_element(),
                     )),
diff --git a/crates/git_ui/src/commit_tooltip.rs b/crates/git_ui/src/commit_tooltip.rs
index 00ab911610..a470bc6925 100644
--- a/crates/git_ui/src/commit_tooltip.rs
+++ b/crates/git_ui/src/commit_tooltip.rs
@@ -181,7 +181,7 @@ impl Render for CommitTooltip {
             .get(0..8)
             .map(|sha| sha.to_string().into())
             .unwrap_or_else(|| self.commit.sha.clone());
-        let full_sha = self.commit.sha.to_string().clone();
+        let full_sha = self.commit.sha.to_string();
         let absolute_timestamp = format_local_timestamp(
             self.commit.commit_time,
             OffsetDateTime::now_utc(),
diff --git a/crates/git_ui/src/commit_view.rs b/crates/git_ui/src/commit_view.rs
index c8c237fe90..d428ccbb05 100644
--- a/crates/git_ui/src/commit_view.rs
+++ b/crates/git_ui/src/commit_view.rs
@@ -88,11 +88,10 @@ impl CommitView {
                             let ix = pane.items().position(|item| {
                                 let commit_view = item.downcast::<CommitView>();
                                 commit_view
-                                    .map_or(false, |view| view.read(cx).commit.sha == commit.sha)
+                                    .is_some_and(|view| view.read(cx).commit.sha == commit.sha)
                             });
                             if let Some(ix) = ix {
                                 pane.activate_item(ix, true, true, window, cx);
-                                return;
                             } else {
                                 pane.add_item(Box::new(commit_view), true, true, None, window, cx);
                             }
@@ -160,7 +159,7 @@ impl CommitView {
             });
         }
 
-        cx.spawn(async move |this, mut cx| {
+        cx.spawn(async move |this, cx| {
             for file in commit_diff.files {
                 let is_deleted = file.new_text.is_none();
                 let new_text = file.new_text.unwrap_or_default();
@@ -179,9 +178,9 @@ impl CommitView {
                     worktree_id,
                 }) as Arc<dyn language::File>;
 
-                let buffer = build_buffer(new_text, file, &language_registry, &mut cx).await?;
+                let buffer = build_buffer(new_text, file, &language_registry, cx).await?;
                 let buffer_diff =
-                    build_buffer_diff(old_text, &buffer, &language_registry, &mut cx).await?;
+                    build_buffer_diff(old_text, &buffer, &language_registry, cx).await?;
 
                 this.update(cx, |this, cx| {
                     this.multibuffer.update(cx, |multibuffer, cx| {
diff --git a/crates/git_ui/src/conflict_view.rs b/crates/git_ui/src/conflict_view.rs
index 0bbb9411be..ee1b82920d 100644
--- a/crates/git_ui/src/conflict_view.rs
+++ b/crates/git_ui/src/conflict_view.rs
@@ -55,7 +55,7 @@ pub fn register_editor(editor: &mut Editor, buffer: Entity<MultiBuffer>, cx: &mu
         buffers: Default::default(),
     });
 
-    let buffers = buffer.read(cx).all_buffers().clone();
+    let buffers = buffer.read(cx).all_buffers();
     for buffer in buffers {
         buffer_added(editor, buffer, cx);
     }
@@ -112,7 +112,7 @@ fn excerpt_for_buffer_updated(
 }
 
 fn buffer_added(editor: &mut Editor, buffer: Entity<Buffer>, cx: &mut Context<Editor>) {
-    let Some(project) = &editor.project else {
+    let Some(project) = editor.project() else {
         return;
     };
     let git_store = project.read(cx).git_store().clone();
@@ -129,7 +129,7 @@ fn buffer_added(editor: &mut Editor, buffer: Entity<Buffer>, cx: &mut Context<Ed
             let subscription = cx.subscribe(&conflict_set, conflicts_updated);
             BufferConflicts {
                 block_ids: Vec::new(),
-                conflict_set: conflict_set.clone(),
+                conflict_set,
                 _subscription: subscription,
             }
         });
@@ -156,7 +156,7 @@ fn buffers_removed(editor: &mut Editor, removed_buffer_ids: &[BufferId], cx: &mu
         .unwrap()
         .buffers
         .retain(|buffer_id, buffer| {
-            if removed_buffer_ids.contains(&buffer_id) {
+            if removed_buffer_ids.contains(buffer_id) {
                 removed_block_ids.extend(buffer.block_ids.iter().map(|(_, block_id)| *block_id));
                 false
             } else {
@@ -222,12 +222,12 @@ fn conflicts_updated(
                 let precedes_start = range
                     .context
                     .start
-                    .cmp(&conflict_range.start, &buffer_snapshot)
+                    .cmp(&conflict_range.start, buffer_snapshot)
                     .is_le();
                 let follows_end = range
                     .context
                     .end
-                    .cmp(&conflict_range.start, &buffer_snapshot)
+                    .cmp(&conflict_range.start, buffer_snapshot)
                     .is_ge();
                 precedes_start && follows_end
             }) else {
@@ -268,12 +268,12 @@ fn conflicts_updated(
             let precedes_start = range
                 .context
                 .start
-                .cmp(&conflict.range.start, &buffer_snapshot)
+                .cmp(&conflict.range.start, buffer_snapshot)
                 .is_le();
             let follows_end = range
                 .context
                 .end
-                .cmp(&conflict.range.start, &buffer_snapshot)
+                .cmp(&conflict.range.start, buffer_snapshot)
                 .is_ge();
             precedes_start && follows_end
         }) else {
@@ -437,7 +437,6 @@ fn render_conflict_buttons(
             Button::new("both", "Use Both")
                 .label_size(LabelSize::Small)
                 .on_click({
-                    let editor = editor.clone();
                     let conflict = conflict.clone();
                     let ours = conflict.ours.clone();
                     let theirs = conflict.theirs.clone();
@@ -469,7 +468,7 @@ pub(crate) fn resolve_conflict(
         let Some((workspace, project, multibuffer, buffer)) = editor
             .update(cx, |editor, cx| {
                 let workspace = editor.workspace()?;
-                let project = editor.project.clone()?;
+                let project = editor.project()?.clone();
                 let multibuffer = editor.buffer().clone();
                 let buffer_id = resolved_conflict.ours.end.buffer_id?;
                 let buffer = multibuffer.read(cx).buffer(buffer_id)?;
diff --git a/crates/git_ui/src/file_diff_view.rs b/crates/git_ui/src/file_diff_view.rs
index 2f8a744ed8..a320888b3b 100644
--- a/crates/git_ui/src/file_diff_view.rs
+++ b/crates/git_ui/src/file_diff_view.rs
@@ -123,7 +123,7 @@ impl FileDiffView {
             old_buffer,
             new_buffer,
             _recalculate_diff_task: cx.spawn(async move |this, cx| {
-                while let Ok(_) = buffer_changes_rx.recv().await {
+                while buffer_changes_rx.recv().await.is_ok() {
                     loop {
                         let mut timer = cx
                             .background_executor()
@@ -398,7 +398,7 @@ mod tests {
 
         let project = Project::test(fs.clone(), [path!("/test").as_ref()], cx).await;
 
-        let (workspace, mut cx) =
+        let (workspace, cx) =
             cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
 
         let diff_view = workspace
@@ -417,7 +417,7 @@ mod tests {
         // Verify initial diff
         assert_state_with_diff(
             &diff_view.read_with(cx, |diff_view, _| diff_view.editor.clone()),
-            &mut cx,
+            cx,
             &unindent(
                 "
                 - old line 1
@@ -452,7 +452,7 @@ mod tests {
         cx.executor().advance_clock(RECALCULATE_DIFF_DEBOUNCE);
         assert_state_with_diff(
             &diff_view.read_with(cx, |diff_view, _| diff_view.editor.clone()),
-            &mut cx,
+            cx,
             &unindent(
                 "
                 - old line 1
@@ -487,7 +487,7 @@ mod tests {
         cx.executor().advance_clock(RECALCULATE_DIFF_DEBOUNCE);
         assert_state_with_diff(
             &diff_view.read_with(cx, |diff_view, _| diff_view.editor.clone()),
-            &mut cx,
+            cx,
             &unindent(
                 "
                   ˇnew line 1
diff --git a/crates/git_ui/src/git_panel.rs b/crates/git_ui/src/git_panel.rs
index ee74ac4d54..958a609a09 100644
--- a/crates/git_ui/src/git_panel.rs
+++ b/crates/git_ui/src/git_panel.rs
@@ -12,7 +12,6 @@ use crate::{
 use agent_settings::AgentSettings;
 use anyhow::Context as _;
 use askpass::AskPassDelegate;
-use client::DisableAiSettings;
 use db::kvp::KEY_VALUE_STORE;
 use editor::{
     Editor, EditorElement, EditorMode, EditorSettings, MultiBuffer, ShowScrollbar,
@@ -51,10 +50,9 @@ use panel::{
     PanelHeader, panel_button, panel_editor_container, panel_editor_style, panel_filled_button,
     panel_icon_button,
 };
-use project::git_store::{RepositoryEvent, RepositoryId};
 use project::{
-    Fs, Project, ProjectPath,
-    git_store::{GitStoreEvent, Repository},
+    DisableAiSettings, Fs, Project, ProjectPath,
+    git_store::{GitStoreEvent, Repository, RepositoryEvent, RepositoryId},
 };
 use serde::{Deserialize, Serialize};
 use settings::{Settings, SettingsStore};
@@ -105,7 +103,7 @@ fn prompt<T>(
 where
     T: IntoEnumIterator + VariantNames + 'static,
 {
-    let rx = window.prompt(PromptLevel::Info, msg, detail, &T::VARIANTS, cx);
+    let rx = window.prompt(PromptLevel::Info, msg, detail, T::VARIANTS, cx);
     cx.spawn(async move |_| Ok(T::iter().nth(rx.await?).unwrap()))
 }
 
@@ -428,7 +426,7 @@ impl GitPanel {
         let git_store = project.read(cx).git_store().clone();
         let active_repository = project.read(cx).active_repository(cx);
 
-        let git_panel = cx.new(|cx| {
+        cx.new(|cx| {
             let focus_handle = cx.focus_handle();
             cx.on_focus(&focus_handle, window, Self::focus_in).detach();
             cx.on_focus_out(&focus_handle, window, |this, _, window, cx| {
@@ -565,9 +563,7 @@ impl GitPanel {
 
             this.schedule_update(false, window, cx);
             this
-        });
-
-        git_panel
+        })
     }
 
     fn hide_scrollbars(&mut self, window: &mut Window, cx: &mut Context<Self>) {
@@ -654,14 +650,14 @@ impl GitPanel {
         if GitPanelSettings::get_global(cx).sort_by_path {
             return self
                 .entries
-                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(&path))
+                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(path))
                 .ok();
         }
 
         if self.conflicted_count > 0 {
             let conflicted_start = 1;
             if let Ok(ix) = self.entries[conflicted_start..conflicted_start + self.conflicted_count]
-                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(&path))
+                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(path))
             {
                 return Some(conflicted_start + ix);
             }
@@ -673,7 +669,7 @@ impl GitPanel {
                 0
             } + 1;
             if let Ok(ix) = self.entries[tracked_start..tracked_start + self.tracked_count]
-                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(&path))
+                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(path))
             {
                 return Some(tracked_start + ix);
             }
@@ -689,7 +685,7 @@ impl GitPanel {
                 0
             } + 1;
             if let Ok(ix) = self.entries[untracked_start..untracked_start + self.new_count]
-                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(&path))
+                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(path))
             {
                 return Some(untracked_start + ix);
             }
@@ -777,7 +773,7 @@ impl GitPanel {
 
         if window
             .focused(cx)
-            .map_or(false, |focused| self.focus_handle == focused)
+            .is_some_and(|focused| self.focus_handle == focused)
         {
             dispatch_context.add("menu");
             dispatch_context.add("ChangesList");
@@ -896,9 +892,7 @@ impl GitPanel {
         let have_entries = self
             .active_repository
             .as_ref()
-            .map_or(false, |active_repository| {
-                active_repository.read(cx).status_summary().count > 0
-            });
+            .is_some_and(|active_repository| active_repository.read(cx).status_summary().count > 0);
         if have_entries && self.selected_entry.is_none() {
             self.selected_entry = Some(1);
             self.scroll_to_selected_entry(cx);
@@ -928,19 +922,17 @@ impl GitPanel {
             let workspace = self.workspace.upgrade()?;
             let git_repo = self.active_repository.as_ref()?;
 
-            if let Some(project_diff) = workspace.read(cx).active_item_as::<ProjectDiff>(cx) {
-                if let Some(project_path) = project_diff.read(cx).active_path(cx) {
-                    if Some(&entry.repo_path)
-                        == git_repo
-                            .read(cx)
-                            .project_path_to_repo_path(&project_path, cx)
-                            .as_ref()
-                    {
-                        project_diff.focus_handle(cx).focus(window);
-                        project_diff.update(cx, |project_diff, cx| project_diff.autoscroll(cx));
-                        return None;
-                    }
-                }
+            if let Some(project_diff) = workspace.read(cx).active_item_as::<ProjectDiff>(cx)
+                && let Some(project_path) = project_diff.read(cx).active_path(cx)
+                && Some(&entry.repo_path)
+                    == git_repo
+                        .read(cx)
+                        .project_path_to_repo_path(&project_path, cx)
+                        .as_ref()
+            {
+                project_diff.focus_handle(cx).focus(window);
+                project_diff.update(cx, |project_diff, cx| project_diff.autoscroll(cx));
+                return None;
             };
 
             self.workspace
@@ -1204,16 +1196,13 @@ impl GitPanel {
             window,
             cx,
         );
-        cx.spawn(async move |this, cx| match prompt.await {
-            Ok(RestoreCancel::RestoreTrackedFiles) => {
+        cx.spawn(async move |this, cx| {
+            if let Ok(RestoreCancel::RestoreTrackedFiles) = prompt.await {
                 this.update(cx, |this, cx| {
                     this.perform_checkout(entries, cx);
                 })
                 .ok();
             }
-            _ => {
-                return;
-            }
         })
         .detach();
     }
@@ -1343,10 +1332,10 @@ impl GitPanel {
                     .iter()
                     .filter_map(|entry| entry.status_entry())
                     .filter(|status_entry| {
-                        section.contains(&status_entry, repository)
+                        section.contains(status_entry, repository)
                             && status_entry.staging.as_bool() != Some(goal_staged_state)
                     })
-                    .map(|status_entry| status_entry.clone())
+                    .cloned()
                     .collect::<Vec<_>>();
 
                 (goal_staged_state, entries)
@@ -1478,7 +1467,6 @@ impl GitPanel {
             .read(cx)
             .as_singleton()
             .unwrap()
-            .clone()
     }
 
     fn toggle_staged_for_selected(
@@ -1644,13 +1632,12 @@ impl GitPanel {
     fn has_commit_message(&self, cx: &mut Context<Self>) -> bool {
         let text = self.commit_editor.read(cx).text(cx);
         if !text.trim().is_empty() {
-            return true;
+            true
         } else if text.is_empty() {
-            return self
-                .suggest_commit_message(cx)
-                .is_some_and(|text| !text.trim().is_empty());
+            self.suggest_commit_message(cx)
+                .is_some_and(|text| !text.trim().is_empty())
         } else {
-            return false;
+            false
         }
     }
 
@@ -1835,7 +1822,9 @@ impl GitPanel {
 
         let git_status_entry = if let Some(staged_entry) = &self.single_staged_entry {
             Some(staged_entry)
-        } else if let Some(single_tracked_entry) = &self.single_tracked_entry {
+        } else if self.total_staged_count() == 0
+            && let Some(single_tracked_entry) = &self.single_tracked_entry
+        {
             Some(single_tracked_entry)
         } else {
             None
@@ -1952,7 +1941,7 @@ impl GitPanel {
                     thinking_allowed: false,
                 };
 
-                let stream = model.stream_completion_text(request, &cx);
+                let stream = model.stream_completion_text(request, cx);
                 match stream.await {
                     Ok(mut messages) => {
                         if !text_empty {
@@ -2083,6 +2072,100 @@ impl GitPanel {
             .detach_and_log_err(cx);
     }
 
+    pub(crate) fn git_clone(&mut self, repo: String, window: &mut Window, cx: &mut Context<Self>) {
+        let path = cx.prompt_for_paths(gpui::PathPromptOptions {
+            files: false,
+            directories: true,
+            multiple: false,
+            prompt: Some("Select as Repository Destination".into()),
+        });
+
+        let workspace = self.workspace.clone();
+
+        cx.spawn_in(window, async move |this, cx| {
+            let mut paths = path.await.ok()?.ok()??;
+            let mut path = paths.pop()?;
+            let repo_name = repo
+                .split(std::path::MAIN_SEPARATOR_STR)
+                .last()?
+                .strip_suffix(".git")?
+                .to_owned();
+
+            let fs = this.read_with(cx, |this, _| this.fs.clone()).ok()?;
+
+            let prompt_answer = match fs.git_clone(&repo, path.as_path()).await {
+                Ok(_) => cx.update(|window, cx| {
+                    window.prompt(
+                        PromptLevel::Info,
+                        &format!("Git Clone: {}", repo_name),
+                        None,
+                        &["Add repo to project", "Open repo in new project"],
+                        cx,
+                    )
+                }),
+                Err(e) => {
+                    this.update(cx, |this: &mut GitPanel, cx| {
+                        let toast = StatusToast::new(e.to_string(), cx, |this, _| {
+                            this.icon(ToastIcon::new(IconName::XCircle).color(Color::Error))
+                                .dismiss_button(true)
+                        });
+
+                        this.workspace
+                            .update(cx, |workspace, cx| {
+                                workspace.toggle_status_toast(toast, cx);
+                            })
+                            .ok();
+                    })
+                    .ok()?;
+
+                    return None;
+                }
+            }
+            .ok()?;
+
+            path.push(repo_name);
+            match prompt_answer.await.ok()? {
+                0 => {
+                    workspace
+                        .update(cx, |workspace, cx| {
+                            workspace
+                                .project()
+                                .update(cx, |project, cx| {
+                                    project.create_worktree(path.as_path(), true, cx)
+                                })
+                                .detach();
+                        })
+                        .ok();
+                }
+                1 => {
+                    workspace
+                        .update(cx, move |workspace, cx| {
+                            workspace::open_new(
+                                Default::default(),
+                                workspace.app_state().clone(),
+                                cx,
+                                move |workspace, _, cx| {
+                                    cx.activate(true);
+                                    workspace
+                                        .project()
+                                        .update(cx, |project, cx| {
+                                            project.create_worktree(&path, true, cx)
+                                        })
+                                        .detach();
+                                },
+                            )
+                            .detach();
+                        })
+                        .ok();
+                }
+                _ => {}
+            }
+
+            Some(())
+        })
+        .detach();
+    }
+
     pub(crate) fn git_init(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         let worktrees = self
             .project
@@ -2092,7 +2175,7 @@ impl GitPanel {
 
         let worktree = if worktrees.len() == 1 {
             Task::ready(Some(worktrees.first().unwrap().clone()))
-        } else if worktrees.len() == 0 {
+        } else if worktrees.is_empty() {
             let result = window.prompt(
                 PromptLevel::Warning,
                 "Unable to initialize a git repository",
@@ -2420,10 +2503,11 @@ impl GitPanel {
                 new_co_authors.push((name.clone(), email.clone()))
             }
         }
-        if !project.is_local() && !project.is_read_only(cx) {
-            if let Some(local_committer) = self.local_committer(room, cx) {
-                new_co_authors.push(local_committer);
-            }
+        if !project.is_local()
+            && !project.is_read_only(cx)
+            && let Some(local_committer) = self.local_committer(room, cx)
+        {
+            new_co_authors.push(local_committer);
         }
         new_co_authors
     }
@@ -2662,35 +2746,34 @@ impl GitPanel {
         for pending in self.pending.iter() {
             if pending.target_status == TargetStatus::Staged {
                 pending_staged_count += pending.entries.len();
-                last_pending_staged = pending.entries.iter().next().cloned();
+                last_pending_staged = pending.entries.first().cloned();
             }
-            if let Some(single_staged) = &single_staged_entry {
-                if pending
+            if let Some(single_staged) = &single_staged_entry
+                && pending
                     .entries
                     .iter()
                     .any(|entry| entry.repo_path == single_staged.repo_path)
-                {
-                    pending_status_for_single_staged = Some(pending.target_status);
-                }
+            {
+                pending_status_for_single_staged = Some(pending.target_status);
             }
         }
 
-        if conflict_entries.len() == 0 && staged_count == 1 && pending_staged_count == 0 {
+        if conflict_entries.is_empty() && staged_count == 1 && pending_staged_count == 0 {
             match pending_status_for_single_staged {
                 Some(TargetStatus::Staged) | None => {
                     self.single_staged_entry = single_staged_entry;
                 }
                 _ => {}
             }
-        } else if conflict_entries.len() == 0 && pending_staged_count == 1 {
+        } else if conflict_entries.is_empty() && pending_staged_count == 1 {
             self.single_staged_entry = last_pending_staged;
         }
 
-        if conflict_entries.len() == 0 && changed_entries.len() == 1 {
+        if conflict_entries.is_empty() && changed_entries.len() == 1 {
             self.single_tracked_entry = changed_entries.first().cloned();
         }
 
-        if conflict_entries.len() > 0 {
+        if !conflict_entries.is_empty() {
             self.entries.push(GitListEntry::Header(GitHeaderEntry {
                 header: Section::Conflict,
             }));
@@ -2698,7 +2781,7 @@ impl GitPanel {
                 .extend(conflict_entries.into_iter().map(GitListEntry::Status));
         }
 
-        if changed_entries.len() > 0 {
+        if !changed_entries.is_empty() {
             if !sort_by_path {
                 self.entries.push(GitListEntry::Header(GitHeaderEntry {
                     header: Section::Tracked,
@@ -2707,7 +2790,7 @@ impl GitPanel {
             self.entries
                 .extend(changed_entries.into_iter().map(GitListEntry::Status));
         }
-        if new_entries.len() > 0 {
+        if !new_entries.is_empty() {
             self.entries.push(GitListEntry::Header(GitHeaderEntry {
                 header: Section::New,
             }));
@@ -2846,8 +2929,7 @@ impl GitPanel {
             .matches(git::repository::REMOTE_CANCELLED_BY_USER)
             .next()
             .is_some()
-        {
-            return; // Hide the cancelled by user message
+        { // Hide the cancelled by user message
         } else {
             workspace.update(cx, |workspace, cx| {
                 let workspace_weak = cx.weak_entity();
@@ -2901,9 +2983,9 @@ impl GitPanel {
             let status_toast = StatusToast::new(message, cx, move |this, _cx| {
                 use remote_output::SuccessStyle::*;
                 match style {
-                    Toast { .. } => this,
+                    Toast => this.icon(ToastIcon::new(IconName::GitBranchAlt).color(Color::Muted)),
                     ToastWithLog { output } => this
-                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
+                        .icon(ToastIcon::new(IconName::GitBranchAlt).color(Color::Muted))
                         .action("View Log", move |window, cx| {
                             let output = output.clone();
                             let output =
@@ -2914,9 +2996,9 @@ impl GitPanel {
                                 })
                                 .ok();
                         }),
-                    PushPrLink { link } => this
-                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
-                        .action("Open Pull Request", move |_, cx| cx.open_url(&link)),
+                    PushPrLink { text, link } => this
+                        .icon(ToastIcon::new(IconName::GitBranchAlt).color(Color::Muted))
+                        .action(text, move |_, cx| cx.open_url(&link)),
                 }
             });
             workspace.toggle_status_toast(status_toast, cx)
@@ -3109,7 +3191,7 @@ impl GitPanel {
                             .justify_center()
                             .border_l_1()
                             .border_color(cx.theme().colors().border)
-                            .child(Icon::new(IconName::ChevronDownSmall).size(IconSize::XSmall)),
+                            .child(Icon::new(IconName::ChevronDown).size(IconSize::XSmall)),
                     ),
             )
             .menu({
@@ -3122,7 +3204,7 @@ impl GitPanel {
                     Some(ContextMenu::build(window, cx, |context_menu, _, _| {
                         context_menu
                             .when_some(keybinding_target.clone(), |el, keybinding_target| {
-                                el.context(keybinding_target.clone())
+                                el.context(keybinding_target)
                             })
                             .when(has_previous_commit, |this| {
                                 this.toggleable_entry(
@@ -3178,12 +3260,10 @@ impl GitPanel {
             } else {
                 "Amend Tracked"
             }
+        } else if self.has_staged_changes() {
+            "Commit"
         } else {
-            if self.has_staged_changes() {
-                "Commit"
-            } else {
-                "Commit Tracked"
-            }
+            "Commit Tracked"
         }
     }
 
@@ -3304,7 +3384,7 @@ impl GitPanel {
         let enable_coauthors = self.render_co_authors(cx);
 
         let editor_focus_handle = self.commit_editor.focus_handle(cx);
-        let expand_tooltip_focus_handle = editor_focus_handle.clone();
+        let expand_tooltip_focus_handle = editor_focus_handle;
 
         let branch = active_repository.read(cx).branch.clone();
         let head_commit = active_repository.read(cx).head_commit.clone();
@@ -3317,7 +3397,7 @@ impl GitPanel {
             * MAX_PANEL_EDITOR_LINES
             + gap;
 
-        let git_panel = cx.entity().clone();
+        let git_panel = cx.entity();
         let display_name = SharedString::from(Arc::from(
             active_repository
                 .read(cx)
@@ -3333,7 +3413,7 @@ impl GitPanel {
                 display_name,
                 branch,
                 head_commit,
-                Some(git_panel.clone()),
+                Some(git_panel),
             ))
             .child(
                 panel_editor_container(window, cx)
@@ -3484,7 +3564,7 @@ impl GitPanel {
                 }),
                 self.render_git_commit_menu(
                     ElementId::Name(format!("split-button-right-{}", title).into()),
-                    Some(commit_tooltip_focus_handle.clone()),
+                    Some(commit_tooltip_focus_handle),
                     cx,
                 )
                 .into_any_element(),
@@ -3550,7 +3630,7 @@ impl GitPanel {
                                 CommitView::open(
                                     commit.clone(),
                                     repo.clone(),
-                                    workspace.clone().clone(),
+                                    workspace.clone(),
                                     window,
                                     cx,
                                 );
@@ -4258,7 +4338,7 @@ impl GitPanel {
                         }
                     })
                     .child(
-                        self.entry_label(display_name.clone(), label_color)
+                        self.entry_label(display_name, label_color)
                             .when(status.is_deleted(), |this| this.strikethrough()),
                     ),
             )
@@ -4386,7 +4466,7 @@ fn current_language_model(cx: &Context<'_, GitPanel>) -> Option<Arc<dyn Language
     is_enabled
         .then(|| {
             let ConfiguredModel { provider, model } =
-                LanguageModelRegistry::read_global(cx).commit_message_model()?;
+                LanguageModelRegistry::read_global(cx).commit_message_model(cx)?;
 
             provider.is_authenticated(cx).then(|| model)
         })
@@ -4396,7 +4476,7 @@ fn current_language_model(cx: &Context<'_, GitPanel>) -> Option<Arc<dyn Language
 impl Render for GitPanel {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let project = self.project.read(cx);
-        let has_entries = self.entries.len() > 0;
+        let has_entries = !self.entries.is_empty();
         let room = self
             .workspace
             .upgrade()
@@ -4404,7 +4484,7 @@ impl Render for GitPanel {
 
         let has_write_access = self.has_write_access(cx);
 
-        let has_co_authors = room.map_or(false, |room| {
+        let has_co_authors = room.is_some_and(|room| {
             self.load_local_committer(cx);
             let room = room.read(cx);
             room.remote_participants()
@@ -4524,7 +4604,7 @@ impl editor::Addon for GitPanelAddon {
 
         git_panel
             .read(cx)
-            .render_buffer_header_controls(&git_panel, &file, window, cx)
+            .render_buffer_header_controls(&git_panel, file, window, cx)
     }
 }
 
@@ -4561,7 +4641,7 @@ impl Panel for GitPanel {
     }
 
     fn icon(&self, _: &Window, cx: &App) -> Option<ui::IconName> {
-        Some(ui::IconName::GitBranchSmall).filter(|_| GitPanelSettings::get_global(cx).button)
+        Some(ui::IconName::GitBranchAlt).filter(|_| GitPanelSettings::get_global(cx).button)
     }
 
     fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
@@ -4607,7 +4687,7 @@ impl GitPanelMessageTooltip {
                     author_email: details.author_email.clone(),
                     commit_time: OffsetDateTime::from_unix_timestamp(details.commit_timestamp)?,
                     message: Some(ParsedCommitMessage {
-                        message: details.message.clone(),
+                        message: details.message,
                         ..Default::default()
                     }),
                 };
@@ -4720,12 +4800,10 @@ impl RenderOnce for PanelRepoFooter {
 
         // ideally, show the whole branch and repo names but
         // when we can't, use a budget to allocate space between the two
-        let (repo_display_len, branch_display_len) = if branch_actual_len + repo_actual_len
-            <= LABEL_CHARACTER_BUDGET
-        {
-            (repo_actual_len, branch_actual_len)
-        } else {
-            if branch_actual_len <= MAX_BRANCH_LEN {
+        let (repo_display_len, branch_display_len) =
+            if branch_actual_len + repo_actual_len <= LABEL_CHARACTER_BUDGET {
+                (repo_actual_len, branch_actual_len)
+            } else if branch_actual_len <= MAX_BRANCH_LEN {
                 let repo_space = (LABEL_CHARACTER_BUDGET - branch_actual_len).min(MAX_REPO_LEN);
                 (repo_space, branch_actual_len)
             } else if repo_actual_len <= MAX_REPO_LEN {
@@ -4733,8 +4811,7 @@ impl RenderOnce for PanelRepoFooter {
                 (repo_actual_len, branch_space)
             } else {
                 (MAX_REPO_LEN, MAX_BRANCH_LEN)
-            }
-        };
+            };
 
         let truncated_repo_name = if repo_actual_len <= repo_display_len {
             active_repo_name.to_string()
@@ -4743,7 +4820,7 @@ impl RenderOnce for PanelRepoFooter {
         };
 
         let truncated_branch_name = if branch_actual_len <= branch_display_len {
-            branch_name.to_string()
+            branch_name
         } else {
             util::truncate_and_trailoff(branch_name.trim_ascii(), branch_display_len)
         };
@@ -4756,7 +4833,7 @@ impl RenderOnce for PanelRepoFooter {
 
         let repo_selector = PopoverMenu::new("repository-switcher")
             .menu({
-                let project = project.clone();
+                let project = project;
                 move |window, cx| {
                     let project = project.clone()?;
                     Some(cx.new(|cx| RepositorySelector::new(project, rems(16.), window, cx)))
@@ -4808,7 +4885,7 @@ impl RenderOnce for PanelRepoFooter {
                     .items_center()
                     .child(
                         div().child(
-                            Icon::new(IconName::GitBranchSmall)
+                            Icon::new(IconName::GitBranchAlt)
                                 .size(IconSize::Small)
                                 .color(if single_repo {
                                     Color::Disabled
@@ -4927,10 +5004,7 @@ impl Component for PanelRepoFooter {
                                 div()
                                     .w(example_width)
                                     .overflow_hidden()
-                                    .child(PanelRepoFooter::new_preview(
-                                        active_repository(1).clone(),
-                                        None,
-                                    ))
+                                    .child(PanelRepoFooter::new_preview(active_repository(1), None))
                                     .into_any_element(),
                             ),
                             single_example(
@@ -4939,7 +5013,7 @@ impl Component for PanelRepoFooter {
                                     .w(example_width)
                                     .overflow_hidden()
                                     .child(PanelRepoFooter::new_preview(
-                                        active_repository(2).clone(),
+                                        active_repository(2),
                                         Some(branch(unknown_upstream)),
                                     ))
                                     .into_any_element(),
@@ -4950,7 +5024,7 @@ impl Component for PanelRepoFooter {
                                     .w(example_width)
                                     .overflow_hidden()
                                     .child(PanelRepoFooter::new_preview(
-                                        active_repository(3).clone(),
+                                        active_repository(3),
                                         Some(branch(no_remote_upstream)),
                                     ))
                                     .into_any_element(),
@@ -4961,7 +5035,7 @@ impl Component for PanelRepoFooter {
                                     .w(example_width)
                                     .overflow_hidden()
                                     .child(PanelRepoFooter::new_preview(
-                                        active_repository(4).clone(),
+                                        active_repository(4),
                                         Some(branch(not_ahead_or_behind_upstream)),
                                     ))
                                     .into_any_element(),
@@ -4972,7 +5046,7 @@ impl Component for PanelRepoFooter {
                                     .w(example_width)
                                     .overflow_hidden()
                                     .child(PanelRepoFooter::new_preview(
-                                        active_repository(5).clone(),
+                                        active_repository(5),
                                         Some(branch(behind_upstream)),
                                     ))
                                     .into_any_element(),
@@ -4983,7 +5057,7 @@ impl Component for PanelRepoFooter {
                                     .w(example_width)
                                     .overflow_hidden()
                                     .child(PanelRepoFooter::new_preview(
-                                        active_repository(6).clone(),
+                                        active_repository(6),
                                         Some(branch(ahead_of_upstream)),
                                     ))
                                     .into_any_element(),
@@ -4994,7 +5068,7 @@ impl Component for PanelRepoFooter {
                                     .w(example_width)
                                     .overflow_hidden()
                                     .child(PanelRepoFooter::new_preview(
-                                        active_repository(7).clone(),
+                                        active_repository(7),
                                         Some(branch(ahead_and_behind_upstream)),
                                     ))
                                     .into_any_element(),
@@ -5115,7 +5189,6 @@ mod tests {
             language::init(cx);
             editor::init(cx);
             Project::init_settings(cx);
-            client::DisableAiSettings::register(cx);
             crate::init(cx);
         });
     }
@@ -5166,7 +5239,7 @@ mod tests {
             project
                 .read(cx)
                 .worktrees(cx)
-                .nth(0)
+                .next()
                 .unwrap()
                 .read(cx)
                 .as_local()
@@ -5291,7 +5364,7 @@ mod tests {
             project
                 .read(cx)
                 .worktrees(cx)
-                .nth(0)
+                .next()
                 .unwrap()
                 .read(cx)
                 .as_local()
@@ -5342,7 +5415,7 @@ mod tests {
             project
                 .read(cx)
                 .worktrees(cx)
-                .nth(0)
+                .next()
                 .unwrap()
                 .read(cx)
                 .as_local()
@@ -5391,7 +5464,7 @@ mod tests {
             project
                 .read(cx)
                 .worktrees(cx)
-                .nth(0)
+                .next()
                 .unwrap()
                 .read(cx)
                 .as_local()
diff --git a/crates/git_ui/src/git_ui.rs b/crates/git_ui/src/git_ui.rs
index 0163175eda..5369b8b404 100644
--- a/crates/git_ui/src/git_ui.rs
+++ b/crates/git_ui/src/git_ui.rs
@@ -10,14 +10,17 @@ use git::{
     status::{FileStatus, StatusCode, UnmergedStatus, UnmergedStatusCode},
 };
 use git_panel_settings::GitPanelSettings;
-use gpui::{Action, App, Context, FocusHandle, Window, actions};
+use gpui::{
+    Action, App, Context, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, Window,
+    actions,
+};
 use onboarding::GitOnboardingModal;
 use project_diff::ProjectDiff;
 use ui::prelude::*;
-use workspace::Workspace;
+use workspace::{ModalView, Workspace};
 use zed_actions;
 
-use crate::text_diff_view::TextDiffView;
+use crate::{git_panel::GitPanel, text_diff_view::TextDiffView};
 
 mod askpass_modal;
 pub mod branch_picker;
@@ -169,6 +172,15 @@ pub fn init(cx: &mut App) {
                 panel.git_init(window, cx);
             });
         });
+        workspace.register_action(|workspace, _action: &git::Clone, window, cx| {
+            let Some(panel) = workspace.panel::<git_panel::GitPanel>(cx) else {
+                return;
+            };
+
+            workspace.toggle_modal(window, cx, |window, cx| {
+                GitCloneModal::show(panel, window, cx)
+            });
+        });
         workspace.register_action(|workspace, _: &git::OpenModifiedFiles, window, cx| {
             open_modified_files(workspace, window, cx);
         });
@@ -233,12 +245,12 @@ fn render_remote_button(
             }
             (0, 0) => None,
             (ahead, 0) => Some(remote_button::render_push_button(
-                keybinding_target.clone(),
+                keybinding_target,
                 id,
                 ahead,
             )),
             (ahead, behind) => Some(remote_button::render_pull_button(
-                keybinding_target.clone(),
+                keybinding_target,
                 id,
                 ahead,
                 behind,
@@ -356,7 +368,7 @@ mod remote_button {
             "Publish",
             0,
             0,
-            Some(IconName::ArrowUpFromLine),
+            Some(IconName::ExpandUp),
             keybinding_target.clone(),
             move |_, window, cx| {
                 window.dispatch_action(Box::new(git::Push), cx);
@@ -383,7 +395,7 @@ mod remote_button {
             "Republish",
             0,
             0,
-            Some(IconName::ArrowUpFromLine),
+            Some(IconName::ExpandUp),
             keybinding_target.clone(),
             move |_, window, cx| {
                 window.dispatch_action(Box::new(git::Push), cx);
@@ -413,16 +425,9 @@ mod remote_button {
         let command = command.into();
 
         if let Some(handle) = focus_handle {
-            Tooltip::with_meta_in(
-                label.clone(),
-                Some(action),
-                command.clone(),
-                &handle,
-                window,
-                cx,
-            )
+            Tooltip::with_meta_in(label, Some(action), command, &handle, window, cx)
         } else {
-            Tooltip::with_meta(label.clone(), Some(action), command.clone(), window, cx)
+            Tooltip::with_meta(label, Some(action), command, window, cx)
         }
     }
 
@@ -438,14 +443,14 @@ mod remote_button {
                     .child(
                         div()
                             .px_1()
-                            .child(Icon::new(IconName::ChevronDownSmall).size(IconSize::XSmall)),
+                            .child(Icon::new(IconName::ChevronDown).size(IconSize::XSmall)),
                     ),
             )
             .menu(move |window, cx| {
                 Some(ContextMenu::build(window, cx, |context_menu, _, _| {
                     context_menu
                         .when_some(keybinding_target.clone(), |el, keybinding_target| {
-                            el.context(keybinding_target.clone())
+                            el.context(keybinding_target)
                         })
                         .action("Fetch", git::Fetch.boxed_clone())
                         .action("Fetch From", git::FetchFrom.boxed_clone())
@@ -613,3 +618,88 @@ impl Component for GitStatusIcon {
         )
     }
 }
+
+struct GitCloneModal {
+    panel: Entity<GitPanel>,
+    repo_input: Entity<Editor>,
+    focus_handle: FocusHandle,
+}
+
+impl GitCloneModal {
+    pub fn show(panel: Entity<GitPanel>, window: &mut Window, cx: &mut Context<Self>) -> Self {
+        let repo_input = cx.new(|cx| {
+            let mut editor = Editor::single_line(window, cx);
+            editor.set_placeholder_text("Enter repository URL…", cx);
+            editor
+        });
+        let focus_handle = repo_input.focus_handle(cx);
+
+        window.focus(&focus_handle);
+
+        Self {
+            panel,
+            repo_input,
+            focus_handle,
+        }
+    }
+}
+
+impl Focusable for GitCloneModal {
+    fn focus_handle(&self, _: &App) -> FocusHandle {
+        self.focus_handle.clone()
+    }
+}
+
+impl Render for GitCloneModal {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        div()
+            .elevation_3(cx)
+            .w(rems(34.))
+            .flex_1()
+            .overflow_hidden()
+            .child(
+                div()
+                    .w_full()
+                    .p_2()
+                    .border_b_1()
+                    .border_color(cx.theme().colors().border_variant)
+                    .child(self.repo_input.clone()),
+            )
+            .child(
+                h_flex()
+                    .w_full()
+                    .p_2()
+                    .gap_0p5()
+                    .rounded_b_sm()
+                    .bg(cx.theme().colors().editor_background)
+                    .child(
+                        Label::new("Clone a repository from GitHub or other sources.")
+                            .color(Color::Muted)
+                            .size(LabelSize::Small),
+                    )
+                    .child(
+                        Button::new("learn-more", "Learn More")
+                            .label_size(LabelSize::Small)
+                            .icon(IconName::ArrowUpRight)
+                            .icon_size(IconSize::XSmall)
+                            .on_click(|_, _, cx| {
+                                cx.open_url("https://github.com/git-guides/git-clone");
+                            }),
+                    ),
+            )
+            .on_action(cx.listener(|_, _: &menu::Cancel, _, cx| {
+                cx.emit(DismissEvent);
+            }))
+            .on_action(cx.listener(|this, _: &menu::Confirm, window, cx| {
+                let repo = this.repo_input.read(cx).text(cx);
+                this.panel.update(cx, |panel, cx| {
+                    panel.git_clone(repo, window, cx);
+                });
+                cx.emit(DismissEvent);
+            }))
+    }
+}
+
+impl EventEmitter<DismissEvent> for GitCloneModal {}
+
+impl ModalView for GitCloneModal {}
diff --git a/crates/git_ui/src/onboarding.rs b/crates/git_ui/src/onboarding.rs
index d721b21a2a..d1709e043b 100644
--- a/crates/git_ui/src/onboarding.rs
+++ b/crates/git_ui/src/onboarding.rs
@@ -110,7 +110,7 @@ impl Render for GitOnboardingModal {
                     .child(Headline::new("Native Git Support").size(HeadlineSize::Large)),
             )
             .child(h_flex().absolute().top_2().right_2().child(
-                IconButton::new("cancel", IconName::X).on_click(cx.listener(
+                IconButton::new("cancel", IconName::Close).on_click(cx.listener(
                     |_, _: &ClickEvent, _window, cx| {
                         git_onboarding_event!("Cancelled", trigger = "X click");
                         cx.emit(DismissEvent);
diff --git a/crates/git_ui/src/picker_prompt.rs b/crates/git_ui/src/picker_prompt.rs
index 4077e0f362..3f1d507c42 100644
--- a/crates/git_ui/src/picker_prompt.rs
+++ b/crates/git_ui/src/picker_prompt.rs
@@ -152,7 +152,7 @@ impl PickerDelegate for PickerPromptDelegate {
                     .all_options
                     .iter()
                     .enumerate()
-                    .map(|(ix, option)| StringMatchCandidate::new(ix, &option))
+                    .map(|(ix, option)| StringMatchCandidate::new(ix, option))
                     .collect::<Vec<StringMatchCandidate>>()
             });
             let Some(candidates) = candidates.log_err() else {
diff --git a/crates/git_ui/src/project_diff.rs b/crates/git_ui/src/project_diff.rs
index d6a4e27286..524dbf13d3 100644
--- a/crates/git_ui/src/project_diff.rs
+++ b/crates/git_ui/src/project_diff.rs
@@ -242,7 +242,7 @@ impl ProjectDiff {
             TRACKED_NAMESPACE
         };
 
-        let path_key = PathKey::namespaced(namespace, entry.repo_path.0.clone());
+        let path_key = PathKey::namespaced(namespace, entry.repo_path.0);
 
         self.move_to_path(path_key, window, cx)
     }
@@ -280,7 +280,7 @@ impl ProjectDiff {
     fn button_states(&self, cx: &App) -> ButtonStates {
         let editor = self.editor.read(cx);
         let snapshot = self.multibuffer.read(cx).snapshot(cx);
-        let prev_next = snapshot.diff_hunks().skip(1).next().is_some();
+        let prev_next = snapshot.diff_hunks().nth(1).is_some();
         let mut selection = true;
 
         let mut ranges = editor
@@ -329,14 +329,14 @@ impl ProjectDiff {
             })
             .ok();
 
-        return ButtonStates {
+        ButtonStates {
             stage: has_unstaged_hunks,
             unstage: has_staged_hunks,
             prev_next,
             selection,
             stage_all,
             unstage_all,
-        };
+        }
     }
 
     fn handle_editor_event(
@@ -346,27 +346,24 @@ impl ProjectDiff {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        match event {
-            EditorEvent::SelectionsChanged { local: true } => {
-                let Some(project_path) = self.active_path(cx) else {
-                    return;
-                };
-                self.workspace
-                    .update(cx, |workspace, cx| {
-                        if let Some(git_panel) = workspace.panel::<GitPanel>(cx) {
-                            git_panel.update(cx, |git_panel, cx| {
-                                git_panel.select_entry_by_path(project_path, window, cx)
-                            })
-                        }
-                    })
-                    .ok();
-            }
-            _ => {}
+        if let EditorEvent::SelectionsChanged { local: true } = event {
+            let Some(project_path) = self.active_path(cx) else {
+                return;
+            };
+            self.workspace
+                .update(cx, |workspace, cx| {
+                    if let Some(git_panel) = workspace.panel::<GitPanel>(cx) {
+                        git_panel.update(cx, |git_panel, cx| {
+                            git_panel.select_entry_by_path(project_path, window, cx)
+                        })
+                    }
+                })
+                .ok();
         }
-        if editor.focus_handle(cx).contains_focused(window, cx) {
-            if self.multibuffer.read(cx).is_empty() {
-                self.focus_handle.focus(window)
-            }
+        if editor.focus_handle(cx).contains_focused(window, cx)
+            && self.multibuffer.read(cx).is_empty()
+        {
+            self.focus_handle.focus(window)
         }
     }
 
@@ -451,10 +448,10 @@ impl ProjectDiff {
         let diff = diff.read(cx);
         let diff_hunk_ranges = diff
             .hunks_intersecting_range(Anchor::MIN..Anchor::MAX, &snapshot, cx)
-            .map(|diff_hunk| diff_hunk.buffer_range.clone());
+            .map(|diff_hunk| diff_hunk.buffer_range);
         let conflicts = conflict_addon
             .conflict_set(snapshot.remote_id())
-            .map(|conflict_set| conflict_set.read(cx).snapshot().conflicts.clone())
+            .map(|conflict_set| conflict_set.read(cx).snapshot().conflicts)
             .unwrap_or_default();
         let conflicts = conflicts.iter().map(|conflict| conflict.range.clone());
 
@@ -513,7 +510,7 @@ impl ProjectDiff {
         mut recv: postage::watch::Receiver<()>,
         cx: &mut AsyncWindowContext,
     ) -> Result<()> {
-        while let Some(_) = recv.next().await {
+        while (recv.next().await).is_some() {
             let buffers_to_load = this.update(cx, |this, cx| this.load_buffers(cx))?;
             for buffer_to_load in buffers_to_load {
                 if let Some(buffer) = buffer_to_load.await.log_err() {
@@ -740,7 +737,7 @@ impl Render for ProjectDiff {
                 } else {
                     None
                 };
-                let keybinding_focus_handle = self.focus_handle(cx).clone();
+                let keybinding_focus_handle = self.focus_handle(cx);
                 el.child(
                     v_flex()
                         .gap_1()
@@ -1073,8 +1070,7 @@ pub struct ProjectDiffEmptyState {
 impl RenderOnce for ProjectDiffEmptyState {
     fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
         let status_against_remote = |ahead_by: usize, behind_by: usize| -> bool {
-            match self.current_branch {
-                Some(Branch {
+            matches!(self.current_branch, Some(Branch {
                     upstream:
                         Some(Upstream {
                             tracking:
@@ -1084,9 +1080,7 @@ impl RenderOnce for ProjectDiffEmptyState {
                             ..
                         }),
                     ..
-                }) if (ahead > 0) == (ahead_by > 0) && (behind > 0) == (behind_by > 0) => true,
-                _ => false,
-            }
+                }) if (ahead > 0) == (ahead_by > 0) && (behind > 0) == (behind_by > 0))
         };
 
         let change_count = |current_branch: &Branch| -> (usize, usize) {
@@ -1173,7 +1167,7 @@ impl RenderOnce for ProjectDiffEmptyState {
                             .child(Label::new("No Changes").color(Color::Muted))
                     } else {
                         this.when_some(self.current_branch.as_ref(), |this, branch| {
-                            this.child(has_branch_container(&branch))
+                            this.child(has_branch_container(branch))
                         })
                     }
                 }),
@@ -1332,14 +1326,14 @@ fn merge_anchor_ranges<'a>(
         loop {
             if let Some(left_range) = left
                 .peek()
-                .filter(|range| range.start.cmp(&next_range.end, &snapshot).is_le())
+                .filter(|range| range.start.cmp(&next_range.end, snapshot).is_le())
                 .cloned()
             {
                 left.next();
                 next_range.end = left_range.end;
             } else if let Some(right_range) = right
                 .peek()
-                .filter(|range| range.start.cmp(&next_range.end, &snapshot).is_le())
+                .filter(|range| range.start.cmp(&next_range.end, snapshot).is_le())
                 .cloned()
             {
                 right.next();
diff --git a/crates/git_ui/src/remote_output.rs b/crates/git_ui/src/remote_output.rs
index 03fbf4f917..8437bf0d0d 100644
--- a/crates/git_ui/src/remote_output.rs
+++ b/crates/git_ui/src/remote_output.rs
@@ -24,7 +24,7 @@ impl RemoteAction {
 pub enum SuccessStyle {
     Toast,
     ToastWithLog { output: RemoteCommandOutput },
-    PushPrLink { link: String },
+    PushPrLink { text: String, link: String },
 }
 
 pub struct SuccessMessage {
@@ -37,7 +37,7 @@ pub fn format_output(action: &RemoteAction, output: RemoteCommandOutput) -> Succ
         RemoteAction::Fetch(remote) => {
             if output.stderr.is_empty() {
                 SuccessMessage {
-                    message: "Already up to date".into(),
+                    message: "Fetch: Already up to date".into(),
                     style: SuccessStyle::Toast,
                 }
             } else {
@@ -68,10 +68,9 @@ pub fn format_output(action: &RemoteAction, output: RemoteCommandOutput) -> Succ
 
                 Ok(files_changed)
             };
-
-            if output.stderr.starts_with("Everything up to date") {
+            if output.stdout.ends_with("Already up to date.\n") {
                 SuccessMessage {
-                    message: output.stderr.trim().to_owned(),
+                    message: "Pull: Already up to date".into(),
                     style: SuccessStyle::Toast,
                 }
             } else if output.stdout.starts_with("Updating") {
@@ -119,48 +118,42 @@ pub fn format_output(action: &RemoteAction, output: RemoteCommandOutput) -> Succ
             }
         }
         RemoteAction::Push(branch_name, remote_ref) => {
-            if output.stderr.contains("* [new branch]") {
-                let pr_hints = [
-                    // GitHub
-                    "Create a pull request",
-                    // Bitbucket
-                    "Create pull request",
-                    // GitLab
-                    "create a merge request",
-                ];
-                let style = if pr_hints
-                    .iter()
-                    .any(|indicator| output.stderr.contains(indicator))
-                {
-                    let finder = LinkFinder::new();
-                    let first_link = finder
-                        .links(&output.stderr)
-                        .filter(|link| *link.kind() == LinkKind::Url)
-                        .map(|link| link.start()..link.end())
-                        .next();
-                    if let Some(link) = first_link {
-                        let link = output.stderr[link].to_string();
-                        SuccessStyle::PushPrLink { link }
-                    } else {
-                        SuccessStyle::ToastWithLog { output }
-                    }
-                } else {
-                    SuccessStyle::ToastWithLog { output }
-                };
-                SuccessMessage {
-                    message: format!("Published {} to {}", branch_name, remote_ref.name),
-                    style,
-                }
-            } else if output.stderr.starts_with("Everything up to date") {
-                SuccessMessage {
-                    message: output.stderr.trim().to_owned(),
-                    style: SuccessStyle::Toast,
-                }
+            let message = if output.stderr.ends_with("Everything up-to-date\n") {
+                "Push: Everything is up-to-date".to_string()
             } else {
-                SuccessMessage {
-                    message: format!("Pushed {} to {}", branch_name, remote_ref.name),
-                    style: SuccessStyle::ToastWithLog { output },
-                }
+                format!("Pushed {} to {}", branch_name, remote_ref.name)
+            };
+
+            let style = if output.stderr.ends_with("Everything up-to-date\n") {
+                Some(SuccessStyle::Toast)
+            } else if output.stderr.contains("\nremote: ") {
+                let pr_hints = [
+                    ("Create a pull request", "Create Pull Request"), // GitHub
+                    ("Create pull request", "Create Pull Request"),   // Bitbucket
+                    ("create a merge request", "Create Merge Request"), // GitLab
+                    ("View merge request", "View Merge Request"),     // GitLab
+                ];
+                pr_hints
+                    .iter()
+                    .find(|(indicator, _)| output.stderr.contains(indicator))
+                    .and_then(|(_, mapped)| {
+                        let finder = LinkFinder::new();
+                        finder
+                            .links(&output.stderr)
+                            .filter(|link| *link.kind() == LinkKind::Url)
+                            .map(|link| link.start()..link.end())
+                            .next()
+                            .map(|link| SuccessStyle::PushPrLink {
+                                text: mapped.to_string(),
+                                link: output.stderr[link].to_string(),
+                            })
+                    })
+            } else {
+                None
+            };
+            SuccessMessage {
+                message,
+                style: style.unwrap_or(SuccessStyle::ToastWithLog { output }),
             }
         }
     }
@@ -169,6 +162,7 @@ pub fn format_output(action: &RemoteAction, output: RemoteCommandOutput) -> Succ
 #[cfg(test)]
 mod tests {
     use super::*;
+    use indoc::indoc;
 
     #[test]
     fn test_push_new_branch_pull_request() {
@@ -181,8 +175,7 @@ mod tests {
 
         let output = RemoteCommandOutput {
             stdout: String::new(),
-            stderr: String::from(
-                "
+            stderr: indoc! { "
                 Total 0 (delta 0), reused 0 (delta 0), pack-reused 0 (from 0)
                 remote:
                 remote: Create a pull request for 'test' on GitHub by visiting:
@@ -190,13 +183,14 @@ mod tests {
                 remote:
                 To example.com:test/test.git
                  * [new branch]      test -> test
-                ",
-            ),
+                "}
+            .to_string(),
         };
 
         let msg = format_output(&action, output);
 
-        if let SuccessStyle::PushPrLink { link } = &msg.style {
+        if let SuccessStyle::PushPrLink { text: hint, link } = &msg.style {
+            assert_eq!(hint, "Create Pull Request");
             assert_eq!(link, "https://example.com/test/test/pull/new/test");
         } else {
             panic!("Expected PushPrLink variant");
@@ -214,7 +208,7 @@ mod tests {
 
         let output = RemoteCommandOutput {
             stdout: String::new(),
-            stderr: String::from("
+            stderr: indoc! {"
                 Total 0 (delta 0), reused 0 (delta 0), pack-reused 0 (from 0)
                 remote:
                 remote: To create a merge request for test, visit:
@@ -222,12 +216,14 @@ mod tests {
                 remote:
                 To example.com:test/test.git
                  * [new branch]      test -> test
-                "),
-        };
+                "}
+            .to_string()
+            };
 
         let msg = format_output(&action, output);
 
-        if let SuccessStyle::PushPrLink { link } = &msg.style {
+        if let SuccessStyle::PushPrLink { text, link } = &msg.style {
+            assert_eq!(text, "Create Merge Request");
             assert_eq!(
                 link,
                 "https://example.com/test/test/-/merge_requests/new?merge_request%5Bsource_branch%5D=test"
@@ -237,6 +233,39 @@ mod tests {
         }
     }
 
+    #[test]
+    fn test_push_branch_existing_merge_request() {
+        let action = RemoteAction::Push(
+            SharedString::new("test_branch"),
+            Remote {
+                name: SharedString::new("test_remote"),
+            },
+        );
+
+        let output = RemoteCommandOutput {
+            stdout: String::new(),
+            stderr: indoc! {"
+                Total 0 (delta 0), reused 0 (delta 0), pack-reused 0 (from 0)
+                remote:
+                remote: View merge request for test:
+                remote:    https://example.com/test/test/-/merge_requests/99999
+                remote:
+                To example.com:test/test.git
+                    + 80bd3c83be...e03d499d2e test -> test
+                "}
+            .to_string(),
+        };
+
+        let msg = format_output(&action, output);
+
+        if let SuccessStyle::PushPrLink { text, link } = &msg.style {
+            assert_eq!(text, "View Merge Request");
+            assert_eq!(link, "https://example.com/test/test/-/merge_requests/99999");
+        } else {
+            panic!("Expected PushPrLink variant");
+        }
+    }
+
     #[test]
     fn test_push_new_branch_no_link() {
         let action = RemoteAction::Push(
@@ -248,12 +277,12 @@ mod tests {
 
         let output = RemoteCommandOutput {
             stdout: String::new(),
-            stderr: String::from(
-                "
+            stderr: indoc! { "
                 To http://example.com/test/test.git
                  * [new branch]      test -> test
                 ",
-            ),
+            }
+            .to_string(),
         };
 
         let msg = format_output(&action, output);
@@ -261,10 +290,7 @@ mod tests {
         if let SuccessStyle::ToastWithLog { output } = &msg.style {
             assert_eq!(
                 output.stderr,
-                "
-                To http://example.com/test/test.git
-                 * [new branch]      test -> test
-                "
+                "To http://example.com/test/test.git\n * [new branch]      test -> test\n"
             );
         } else {
             panic!("Expected ToastWithLog variant");
diff --git a/crates/git_ui/src/repository_selector.rs b/crates/git_ui/src/repository_selector.rs
index b5865e9a85..db080ab0b4 100644
--- a/crates/git_ui/src/repository_selector.rs
+++ b/crates/git_ui/src/repository_selector.rs
@@ -109,7 +109,10 @@ impl Focusable for RepositorySelector {
 
 impl Render for RepositorySelector {
     fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
-        div().w(self.width).child(self.picker.clone())
+        div()
+            .key_context("GitRepositorySelector")
+            .w(self.width)
+            .child(self.picker.clone())
     }
 }
 
diff --git a/crates/git_ui/src/text_diff_view.rs b/crates/git_ui/src/text_diff_view.rs
index 005c1e18b4..ebf32d1b99 100644
--- a/crates/git_ui/src/text_diff_view.rs
+++ b/crates/git_ui/src/text_diff_view.rs
@@ -48,7 +48,7 @@ impl TextDiffView {
 
         let selection_data = source_editor.update(cx, |editor, cx| {
             let multibuffer = editor.buffer().read(cx);
-            let source_buffer = multibuffer.as_singleton()?.clone();
+            let source_buffer = multibuffer.as_singleton()?;
             let selections = editor.selections.all::<Point>(cx);
             let buffer_snapshot = source_buffer.read(cx);
             let first_selection = selections.first()?;
@@ -207,7 +207,7 @@ impl TextDiffView {
             path: Some(format!("Clipboard ↔ {selection_location_path}").into()),
             buffer_changes_tx,
             _recalculate_diff_task: cx.spawn(async move |_, cx| {
-                while let Ok(_) = buffer_changes_rx.recv().await {
+                while buffer_changes_rx.recv().await.is_ok() {
                     loop {
                         let mut timer = cx
                             .background_executor()
@@ -259,7 +259,7 @@ async fn update_diff_buffer(
     let source_buffer_snapshot = source_buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
 
     let base_buffer_snapshot = clipboard_buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
-    let base_text = base_buffer_snapshot.text().to_string();
+    let base_text = base_buffer_snapshot.text();
 
     let diff_snapshot = cx
         .update(|cx| {
@@ -686,7 +686,7 @@ mod tests {
 
         let project = Project::test(fs, [project_root.as_ref()], cx).await;
 
-        let (workspace, mut cx) =
+        let (workspace, cx) =
             cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
 
         let buffer = project
@@ -725,7 +725,7 @@ mod tests {
 
         assert_state_with_diff(
             &diff_view.read_with(cx, |diff_view, _| diff_view.diff_editor.clone()),
-            &mut cx,
+            cx,
             expected_diff,
         );
 
diff --git a/crates/go_to_line/src/cursor_position.rs b/crates/go_to_line/src/cursor_position.rs
index 322a791b13..e60a3651aa 100644
--- a/crates/go_to_line/src/cursor_position.rs
+++ b/crates/go_to_line/src/cursor_position.rs
@@ -1,4 +1,4 @@
-use editor::{Editor, MultiBufferSnapshot};
+use editor::{Editor, EditorSettings, MultiBufferSnapshot};
 use gpui::{App, Entity, FocusHandle, Focusable, Subscription, Task, WeakEntity};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
@@ -95,10 +95,8 @@ impl CursorPosition {
                 .ok()
                 .unwrap_or(true);
 
-            if !is_singleton {
-                if let Some(debounce) = debounce {
-                    cx.background_executor().timer(debounce).await;
-                }
+            if !is_singleton && let Some(debounce) = debounce {
+                cx.background_executor().timer(debounce).await;
             }
 
             editor
@@ -108,7 +106,7 @@ impl CursorPosition {
                         cursor_position.selected_count.selections = editor.selections.count();
                         match editor.mode() {
                             editor::EditorMode::AutoHeight { .. }
-                            | editor::EditorMode::SingleLine { .. }
+                            | editor::EditorMode::SingleLine
                             | editor::EditorMode::Minimap { .. } => {
                                 cursor_position.position = None;
                                 cursor_position.context = None;
@@ -131,7 +129,7 @@ impl CursorPosition {
                                                 cursor_position.selected_count.lines += 1;
                                             }
                                         }
-                                        if last_selection.as_ref().map_or(true, |last_selection| {
+                                        if last_selection.as_ref().is_none_or(|last_selection| {
                                             selection.id > last_selection.id
                                         }) {
                                             last_selection = Some(selection);
@@ -209,6 +207,13 @@ impl CursorPosition {
 
 impl Render for CursorPosition {
     fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        if !EditorSettings::get_global(cx)
+            .status_bar
+            .cursor_position_button
+        {
+            return div();
+        }
+
         div().when_some(self.position, |el, position| {
             let mut text = format!(
                 "{}{FILE_ROW_COLUMN_DELIMITER}{}",
@@ -227,13 +232,11 @@ impl Render for CursorPosition {
                                 if let Some(editor) = workspace
                                     .active_item(cx)
                                     .and_then(|item| item.act_as::<Editor>(cx))
+                                    && let Some((_, buffer, _)) = editor.read(cx).active_excerpt(cx)
                                 {
-                                    if let Some((_, buffer, _)) = editor.read(cx).active_excerpt(cx)
-                                    {
-                                        workspace.toggle_modal(window, cx, |window, cx| {
-                                            crate::GoToLine::new(editor, buffer, window, cx)
-                                        })
-                                    }
+                                    workspace.toggle_modal(window, cx, |window, cx| {
+                                        crate::GoToLine::new(editor, buffer, window, cx)
+                                    })
                                 }
                             });
                         }
@@ -308,10 +311,14 @@ impl Settings for LineIndicatorFormat {
     type FileContent = Option<LineIndicatorFormatContent>;
 
     fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> anyhow::Result<Self> {
-        let format = [sources.release_channel, sources.user]
-            .into_iter()
-            .find_map(|value| value.copied().flatten())
-            .unwrap_or(sources.default.ok_or_else(Self::missing_default)?);
+        let format = [
+            sources.release_channel,
+            sources.operating_system,
+            sources.user,
+        ]
+        .into_iter()
+        .find_map(|value| value.copied().flatten())
+        .unwrap_or(sources.default.ok_or_else(Self::missing_default)?);
 
         Ok(format.0)
     }
diff --git a/crates/go_to_line/src/go_to_line.rs b/crates/go_to_line/src/go_to_line.rs
index 1ac933e316..2afc72e989 100644
--- a/crates/go_to_line/src/go_to_line.rs
+++ b/crates/go_to_line/src/go_to_line.rs
@@ -103,11 +103,11 @@ impl GoToLine {
                             return;
                         };
                         editor.update(cx, |editor, cx| {
-                            if let Some(placeholder_text) = editor.placeholder_text() {
-                                if editor.text(cx).is_empty() {
-                                    let placeholder_text = placeholder_text.to_string();
-                                    editor.set_text(placeholder_text, window, cx);
-                                }
+                            if let Some(placeholder_text) = editor.placeholder_text()
+                                && editor.text(cx).is_empty()
+                            {
+                                let placeholder_text = placeholder_text.to_string();
+                                editor.set_text(placeholder_text, window, cx);
                             }
                         });
                     }
@@ -157,7 +157,7 @@ impl GoToLine {
                 self.prev_scroll_position.take();
                 cx.emit(DismissEvent)
             }
-            editor::EditorEvent::BufferEdited { .. } => self.highlight_current_line(cx),
+            editor::EditorEvent::BufferEdited => self.highlight_current_line(cx),
             _ => {}
         }
     }
@@ -712,7 +712,7 @@ mod tests {
     ) -> Entity<GoToLine> {
         cx.dispatch_action(editor::actions::ToggleGoToLine);
         workspace.update(cx, |workspace, cx| {
-            workspace.active_modal::<GoToLine>(cx).unwrap().clone()
+            workspace.active_modal::<GoToLine>(cx).unwrap()
         })
     }
 
diff --git a/crates/google_ai/src/google_ai.rs b/crates/google_ai/src/google_ai.rs
index dfa51d024c..ca0aa309b1 100644
--- a/crates/google_ai/src/google_ai.rs
+++ b/crates/google_ai/src/google_ai.rs
@@ -106,10 +106,9 @@ pub fn validate_generate_content_request(request: &GenerateContentRequest) -> Re
         .contents
         .iter()
         .find(|content| content.role == Role::User)
+        && user_content.parts.is_empty()
     {
-        if user_content.parts.is_empty() {
-            bail!("User content must contain at least one part");
-        }
+        bail!("User content must contain at least one part");
     }
 
     Ok(())
@@ -267,7 +266,7 @@ pub struct CitationMetadata {
 pub struct PromptFeedback {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub block_reason: Option<String>,
-    pub safety_ratings: Vec<SafetyRating>,
+    pub safety_ratings: Option<Vec<SafetyRating>>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub block_reason_message: Option<String>,
 }
@@ -478,10 +477,10 @@ impl<'de> Deserialize<'de> for ModelName {
                 model_id: id.to_string(),
             })
         } else {
-            return Err(serde::de::Error::custom(format!(
+            Err(serde::de::Error::custom(format!(
                 "Expected model name to begin with {}, got: {}",
                 MODEL_NAME_PREFIX, string
-            )));
+            )))
         }
     }
 }
diff --git a/crates/gpui/Cargo.toml b/crates/gpui/Cargo.toml
index 2bf49fa7d8..9f5b66087d 100644
--- a/crates/gpui/Cargo.toml
+++ b/crates/gpui/Cargo.toml
@@ -119,9 +119,10 @@ serde_json.workspace = true
 slotmap = "1.0.6"
 smallvec.workspace = true
 smol.workspace = true
+stacksafe.workspace = true
 strum.workspace = true
 sum_tree.workspace = true
-taffy = "=0.8.3"
+taffy = "=0.9.0"
 thiserror.workspace = true
 util.workspace = true
 uuid.workspace = true
@@ -209,7 +210,7 @@ xkbcommon = { version = "0.8.0", features = [
     "wayland",
     "x11",
 ], optional = true }
-xim = { git = "https://github.com/XDeme1/xim-rs", rev = "d50d461764c2213655cd9cf65a0ea94c70d3c4fd", features = [
+xim = { git = "https://github.com/zed-industries/xim-rs", rev = "c0a70c1bd2ce197364216e5e818a2cb3adb99a8d" , features = [
     "x11rb-xcb",
     "x11rb-client",
 ], optional = true }
@@ -305,3 +306,7 @@ path = "examples/uniform_list.rs"
 [[example]]
 name = "window_shadow"
 path = "examples/window_shadow.rs"
+
+[[example]]
+name = "grid_layout"
+path = "examples/grid_layout.rs"
diff --git a/crates/gpui/build.rs b/crates/gpui/build.rs
index 2b574ebdd8..0040046f90 100644
--- a/crates/gpui/build.rs
+++ b/crates/gpui/build.rs
@@ -310,15 +310,27 @@ mod windows {
                 &rust_binding_path,
             );
         }
+
+        {
+            let shader_path = PathBuf::from(std::env::var("CARGO_MANIFEST_DIR").unwrap())
+                .join("src/platform/windows/color_text_raster.hlsl");
+            compile_shader_for_module(
+                "emoji_rasterization",
+                &out_dir,
+                &fxc_path,
+                shader_path.to_str().unwrap(),
+                &rust_binding_path,
+            );
+        }
     }
 
     /// You can set the `GPUI_FXC_PATH` environment variable to specify the path to the fxc.exe compiler.
     fn find_fxc_compiler() -> String {
         // Check environment variable
-        if let Ok(path) = std::env::var("GPUI_FXC_PATH") {
-            if Path::new(&path).exists() {
-                return path;
-            }
+        if let Ok(path) = std::env::var("GPUI_FXC_PATH")
+            && Path::new(&path).exists()
+        {
+            return path;
         }
 
         // Try to find in PATH
@@ -326,11 +338,10 @@ mod windows {
         if let Ok(output) = std::process::Command::new("where.exe")
             .arg("fxc.exe")
             .output()
+            && output.status.success()
         {
-            if output.status.success() {
-                let path = String::from_utf8_lossy(&output.stdout);
-                return path.trim().to_string();
-            }
+            let path = String::from_utf8_lossy(&output.stdout);
+            return path.trim().to_string();
         }
 
         // Check the default path
@@ -362,7 +373,7 @@ mod windows {
             shader_path,
             "vs_4_1",
         );
-        generate_rust_binding(&const_name, &output_file, &rust_binding_path);
+        generate_rust_binding(&const_name, &output_file, rust_binding_path);
 
         // Compile fragment shader
         let output_file = format!("{}/{}_ps.h", out_dir, module);
@@ -375,7 +386,7 @@ mod windows {
             shader_path,
             "ps_4_1",
         );
-        generate_rust_binding(&const_name, &output_file, &rust_binding_path);
+        generate_rust_binding(&const_name, &output_file, rust_binding_path);
     }
 
     fn compile_shader_impl(
diff --git a/crates/gpui/examples/grid_layout.rs b/crates/gpui/examples/grid_layout.rs
new file mode 100644
index 0000000000..f285497578
--- /dev/null
+++ b/crates/gpui/examples/grid_layout.rs
@@ -0,0 +1,80 @@
+use gpui::{
+    App, Application, Bounds, Context, Hsla, Window, WindowBounds, WindowOptions, div, prelude::*,
+    px, rgb, size,
+};
+
+// https://en.wikipedia.org/wiki/Holy_grail_(web_design)
+struct HolyGrailExample {}
+
+impl Render for HolyGrailExample {
+    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+        let block = |color: Hsla| {
+            div()
+                .size_full()
+                .bg(color)
+                .border_1()
+                .border_dashed()
+                .rounded_md()
+                .border_color(gpui::white())
+                .items_center()
+        };
+
+        div()
+            .gap_1()
+            .grid()
+            .bg(rgb(0x505050))
+            .size(px(500.0))
+            .shadow_lg()
+            .border_1()
+            .size_full()
+            .grid_cols(5)
+            .grid_rows(5)
+            .child(
+                block(gpui::white())
+                    .row_span(1)
+                    .col_span_full()
+                    .child("Header"),
+            )
+            .child(
+                block(gpui::red())
+                    .col_span(1)
+                    .h_56()
+                    .child("Table of contents"),
+            )
+            .child(
+                block(gpui::green())
+                    .col_span(3)
+                    .row_span(3)
+                    .child("Content"),
+            )
+            .child(
+                block(gpui::blue())
+                    .col_span(1)
+                    .row_span(3)
+                    .child("AD :(")
+                    .text_color(gpui::white()),
+            )
+            .child(
+                block(gpui::black())
+                    .row_span(1)
+                    .col_span_full()
+                    .text_color(gpui::white())
+                    .child("Footer"),
+            )
+    }
+}
+
+fn main() {
+    Application::new().run(|cx: &mut App| {
+        let bounds = Bounds::centered(None, size(px(500.), px(500.0)), cx);
+        cx.open_window(
+            WindowOptions {
+                window_bounds: Some(WindowBounds::Windowed(bounds)),
+                ..Default::default()
+            },
+            |_, cx| cx.new(|_| HolyGrailExample {}),
+        )
+        .unwrap();
+        cx.activate(true);
+    });
+}
diff --git a/crates/gpui/examples/input.rs b/crates/gpui/examples/input.rs
index 52a5b08b96..37115feaa5 100644
--- a/crates/gpui/examples/input.rs
+++ b/crates/gpui/examples/input.rs
@@ -137,14 +137,14 @@ impl TextInput {
     fn copy(&mut self, _: &Copy, _: &mut Window, cx: &mut Context<Self>) {
         if !self.selected_range.is_empty() {
             cx.write_to_clipboard(ClipboardItem::new_string(
-                (&self.content[self.selected_range.clone()]).to_string(),
+                self.content[self.selected_range.clone()].to_string(),
             ));
         }
     }
     fn cut(&mut self, _: &Cut, window: &mut Window, cx: &mut Context<Self>) {
         if !self.selected_range.is_empty() {
             cx.write_to_clipboard(ClipboardItem::new_string(
-                (&self.content[self.selected_range.clone()]).to_string(),
+                self.content[self.selected_range.clone()].to_string(),
             ));
             self.replace_text_in_range(None, "", window, cx)
         }
@@ -446,7 +446,7 @@ impl Element for TextElement {
         let (display_text, text_color) = if content.is_empty() {
             (input.placeholder.clone(), hsla(0., 0., 0., 0.2))
         } else {
-            (content.clone(), style.color)
+            (content, style.color)
         };
 
         let run = TextRun {
@@ -474,7 +474,7 @@ impl Element for TextElement {
                 },
                 TextRun {
                     len: display_text.len() - marked_range.end,
-                    ..run.clone()
+                    ..run
                 },
             ]
             .into_iter()
@@ -549,10 +549,10 @@ impl Element for TextElement {
         line.paint(bounds.origin, window.line_height(), window, cx)
             .unwrap();
 
-        if focus_handle.is_focused(window) {
-            if let Some(cursor) = prepaint.cursor.take() {
-                window.paint_quad(cursor);
-            }
+        if focus_handle.is_focused(window)
+            && let Some(cursor) = prepaint.cursor.take()
+        {
+            window.paint_quad(cursor);
         }
 
         self.input.update(cx, |input, _cx| {
@@ -595,9 +595,7 @@ impl Render for TextInput {
                     .w_full()
                     .p(px(4.))
                     .bg(white())
-                    .child(TextElement {
-                        input: cx.entity().clone(),
-                    }),
+                    .child(TextElement { input: cx.entity() }),
             )
     }
 }
diff --git a/crates/gpui/examples/set_menus.rs b/crates/gpui/examples/set_menus.rs
index f53fff7c7f..8a97a8d8a2 100644
--- a/crates/gpui/examples/set_menus.rs
+++ b/crates/gpui/examples/set_menus.rs
@@ -1,5 +1,6 @@
 use gpui::{
-    App, Application, Context, Menu, MenuItem, Window, WindowOptions, actions, div, prelude::*, rgb,
+    App, Application, Context, Menu, MenuItem, SystemMenuType, Window, WindowOptions, actions, div,
+    prelude::*, rgb,
 };
 
 struct SetMenus;
@@ -27,7 +28,11 @@ fn main() {
         // Add menu items
         cx.set_menus(vec![Menu {
             name: "set_menus".into(),
-            items: vec![MenuItem::action("Quit", Quit)],
+            items: vec![
+                MenuItem::os_submenu("Services", SystemMenuType::Services),
+                MenuItem::separator(),
+                MenuItem::action("Quit", Quit),
+            ],
         }]);
         cx.open_window(WindowOptions::default(), |_, cx| cx.new(|_| SetMenus {}))
             .unwrap();
diff --git a/crates/gpui/examples/tab_stop.rs b/crates/gpui/examples/tab_stop.rs
index 1f6500f3e6..8dbcbeccb7 100644
--- a/crates/gpui/examples/tab_stop.rs
+++ b/crates/gpui/examples/tab_stop.rs
@@ -111,8 +111,24 @@ impl Render for Example {
                     .flex_row()
                     .gap_3()
                     .items_center()
-                    .child(button("el1").tab_index(4).child("Button 1"))
-                    .child(button("el2").tab_index(5).child("Button 2")),
+                    .child(
+                        button("el1")
+                            .tab_index(4)
+                            .child("Button 1")
+                            .on_click(cx.listener(|this, _, _, cx| {
+                                this.message = "You have clicked Button 1.".into();
+                                cx.notify();
+                            })),
+                    )
+                    .child(
+                        button("el2")
+                            .tab_index(5)
+                            .child("Button 2")
+                            .on_click(cx.listener(|this, _, _, cx| {
+                                this.message = "You have clicked Button 2.".into();
+                                cx.notify();
+                            })),
+                    ),
             )
     }
 }
diff --git a/crates/gpui/examples/text.rs b/crates/gpui/examples/text.rs
index 19214aebde..66e9cff0aa 100644
--- a/crates/gpui/examples/text.rs
+++ b/crates/gpui/examples/text.rs
@@ -155,7 +155,7 @@ impl RenderOnce for Specimen {
             .text_size(px(font_size * scale))
             .line_height(relative(line_height))
             .p(px(10.0))
-            .child(self.string.clone())
+            .child(self.string)
     }
 }
 
@@ -198,7 +198,7 @@ impl RenderOnce for CharacterGrid {
             "χ", "ψ", "∂", "а", "в", "Ж", "ж", "З", "з", "К", "к", "л", "м", "Н", "н", "Р", "р",
             "У", "у", "ф", "ч", "ь", "ы", "Э", "э", "Я", "я", "ij", "öẋ", ".,", "⣝⣑", "~", "*",
             "_", "^", "`", "'", "(", "{", "«", "#", "&", "@", "$", "¢", "%", "|", "?", "¶", "µ",
-            "❮", "<=", "!=", "==", "--", "++", "=>", "->",
+            "❮", "<=", "!=", "==", "--", "++", "=>", "->", "🏀", "🎊", "😍", "❤️", "👍", "👎",
         ];
 
         let columns = 11;
diff --git a/crates/gpui/examples/window_shadow.rs b/crates/gpui/examples/window_shadow.rs
index 06dde91133..469017da79 100644
--- a/crates/gpui/examples/window_shadow.rs
+++ b/crates/gpui/examples/window_shadow.rs
@@ -165,8 +165,8 @@ impl Render for WindowShadow {
                                                     },
                                                 )
                                                 .on_click(|e, window, _| {
-                                                    if e.down.button == MouseButton::Right {
-                                                        window.show_window_menu(e.up.position);
+                                                    if e.is_right_click() {
+                                                        window.show_window_menu(e.position());
                                                     }
                                                 })
                                                 .text_color(black())
diff --git a/crates/gpui/src/action.rs b/crates/gpui/src/action.rs
index b179076cd5..0b824fec34 100644
--- a/crates/gpui/src/action.rs
+++ b/crates/gpui/src/action.rs
@@ -73,18 +73,18 @@ macro_rules! actions {
 /// - `name = "ActionName"` overrides the action's name. This must not contain `::`.
 ///
 /// - `no_json` causes the `build` method to always error and `action_json_schema` to return `None`,
-/// and allows actions not implement `serde::Serialize` and `schemars::JsonSchema`.
+///   and allows actions not implement `serde::Serialize` and `schemars::JsonSchema`.
 ///
 /// - `no_register` skips registering the action. This is useful for implementing the `Action` trait
-/// while not supporting invocation by name or JSON deserialization.
+///   while not supporting invocation by name or JSON deserialization.
 ///
 /// - `deprecated_aliases = ["editor::SomeAction"]` specifies deprecated old names for the action.
-/// These action names should *not* correspond to any actions that are registered. These old names
-/// can then still be used to refer to invoke this action. In Zed, the keymap JSON schema will
-/// accept these old names and provide warnings.
+///   These action names should *not* correspond to any actions that are registered. These old names
+///   can then still be used to refer to invoke this action. In Zed, the keymap JSON schema will
+///   accept these old names and provide warnings.
 ///
 /// - `deprecated = "Message about why this action is deprecation"` specifies a deprecation message.
-/// In Zed, the keymap JSON schema will cause this to be displayed as a warning.
+///   In Zed, the keymap JSON schema will cause this to be displayed as a warning.
 ///
 /// # Manual Implementation
 ///
diff --git a/crates/gpui/src/app.rs b/crates/gpui/src/app.rs
index ded7bae316..bbd59fa7bc 100644
--- a/crates/gpui/src/app.rs
+++ b/crates/gpui/src/app.rs
@@ -277,6 +277,8 @@ pub struct App {
     pub(crate) release_listeners: SubscriberSet<EntityId, ReleaseListener>,
     pub(crate) global_observers: SubscriberSet<TypeId, Handler>,
     pub(crate) quit_observers: SubscriberSet<(), QuitHandler>,
+    pub(crate) restart_observers: SubscriberSet<(), Handler>,
+    pub(crate) restart_path: Option<PathBuf>,
     pub(crate) window_closed_observers: SubscriberSet<(), WindowClosedHandler>,
     pub(crate) layout_id_buffer: Vec<LayoutId>, // We recycle this memory across layout requests.
     pub(crate) propagate_event: bool,
@@ -349,6 +351,8 @@ impl App {
                 keyboard_layout_observers: SubscriberSet::new(),
                 global_observers: SubscriberSet::new(),
                 quit_observers: SubscriberSet::new(),
+                restart_observers: SubscriberSet::new(),
+                restart_path: None,
                 window_closed_observers: SubscriberSet::new(),
                 layout_id_buffer: Default::default(),
                 propagate_event: true,
@@ -364,7 +368,7 @@ impl App {
             }),
         });
 
-        init_app_menus(platform.as_ref(), &mut app.borrow_mut());
+        init_app_menus(platform.as_ref(), &app.borrow());
 
         platform.on_keyboard_layout_change(Box::new({
             let app = Rc::downgrade(&app);
@@ -812,8 +816,9 @@ impl App {
     pub fn prompt_for_new_path(
         &self,
         directory: &Path,
+        suggested_name: Option<&str>,
     ) -> oneshot::Receiver<Result<Option<PathBuf>>> {
-        self.platform.prompt_for_new_path(directory)
+        self.platform.prompt_for_new_path(directory, suggested_name)
     }
 
     /// Reveals the specified path at the platform level, such as in Finder on macOS.
@@ -832,8 +837,16 @@ impl App {
     }
 
     /// Restarts the application.
-    pub fn restart(&self, binary_path: Option<PathBuf>) {
-        self.platform.restart(binary_path)
+    pub fn restart(&mut self) {
+        self.restart_observers
+            .clone()
+            .retain(&(), |observer| observer(self));
+        self.platform.restart(self.restart_path.take())
+    }
+
+    /// Sets the path to use when restarting the application.
+    pub fn set_restart_path(&mut self, path: PathBuf) {
+        self.restart_path = Some(path);
     }
 
     /// Returns the HTTP client for the application.
@@ -1297,7 +1310,7 @@ impl App {
         T: 'static,
     {
         let window_handle = window.handle;
-        self.observe_release(&handle, move |entity, cx| {
+        self.observe_release(handle, move |entity, cx| {
             let _ = window_handle.update(cx, |_, window, cx| on_release(entity, window, cx));
         })
     }
@@ -1319,7 +1332,7 @@ impl App {
         }
 
         inner(
-            &mut self.keystroke_observers,
+            &self.keystroke_observers,
             Box::new(move |event, window, cx| {
                 f(event, window, cx);
                 true
@@ -1345,7 +1358,7 @@ impl App {
         }
 
         inner(
-            &mut self.keystroke_interceptors,
+            &self.keystroke_interceptors,
             Box::new(move |event, window, cx| {
                 f(event, window, cx);
                 true
@@ -1466,6 +1479,21 @@ impl App {
         subscription
     }
 
+    /// Register a callback to be invoked when the application is about to restart.
+    ///
+    /// These callbacks are called before any `on_app_quit` callbacks.
+    pub fn on_app_restart(&self, mut on_restart: impl 'static + FnMut(&mut App)) -> Subscription {
+        let (subscription, activate) = self.restart_observers.insert(
+            (),
+            Box::new(move |cx| {
+                on_restart(cx);
+                true
+            }),
+        );
+        activate();
+        subscription
+    }
+
     /// Register a callback to be invoked when a window is closed
     /// The window is no longer accessible at the point this callback is invoked.
     pub fn on_window_closed(&self, mut on_closed: impl FnMut(&mut App) + 'static) -> Subscription {
@@ -1488,12 +1516,11 @@ impl App {
     /// the bindings in the element tree, and any global action listeners.
     pub fn is_action_available(&mut self, action: &dyn Action) -> bool {
         let mut action_available = false;
-        if let Some(window) = self.active_window() {
-            if let Ok(window_action_available) =
+        if let Some(window) = self.active_window()
+            && let Ok(window_action_available) =
                 window.update(self, |_, window, cx| window.is_action_available(action, cx))
-            {
-                action_available = window_action_available;
-            }
+        {
+            action_available = window_action_available;
         }
 
         action_available
@@ -1578,27 +1605,26 @@ impl App {
                 .insert(action.as_any().type_id(), global_listeners);
         }
 
-        if self.propagate_event {
-            if let Some(mut global_listeners) = self
+        if self.propagate_event
+            && let Some(mut global_listeners) = self
                 .global_action_listeners
                 .remove(&action.as_any().type_id())
-            {
-                for listener in global_listeners.iter().rev() {
-                    listener(action.as_any(), DispatchPhase::Bubble, self);
-                    if !self.propagate_event {
-                        break;
-                    }
+        {
+            for listener in global_listeners.iter().rev() {
+                listener(action.as_any(), DispatchPhase::Bubble, self);
+                if !self.propagate_event {
+                    break;
                 }
-
-                global_listeners.extend(
-                    self.global_action_listeners
-                        .remove(&action.as_any().type_id())
-                        .unwrap_or_default(),
-                );
-
-                self.global_action_listeners
-                    .insert(action.as_any().type_id(), global_listeners);
             }
+
+            global_listeners.extend(
+                self.global_action_listeners
+                    .remove(&action.as_any().type_id())
+                    .unwrap_or_default(),
+            );
+
+            self.global_action_listeners
+                .insert(action.as_any().type_id(), global_listeners);
         }
     }
 
@@ -1681,8 +1707,8 @@ impl App {
             .unwrap_or_else(|| {
                 is_first = true;
                 let future = A::load(source.clone(), self);
-                let task = self.background_executor().spawn(future).shared();
-                task
+
+                self.background_executor().spawn(future).shared()
             });
 
         self.loading_assets.insert(asset_id, Box::new(task.clone()));
@@ -1889,7 +1915,7 @@ impl AppContext for App {
         G: Global,
     {
         let mut g = self.global::<G>();
-        callback(&g, self)
+        callback(g, self)
     }
 }
 
diff --git a/crates/gpui/src/app/async_context.rs b/crates/gpui/src/app/async_context.rs
index d9d21c0244..5eb4362904 100644
--- a/crates/gpui/src/app/async_context.rs
+++ b/crates/gpui/src/app/async_context.rs
@@ -465,7 +465,7 @@ impl VisualContext for AsyncWindowContext {
         V: Focusable,
     {
         self.window.update(self, |_, window, cx| {
-            view.read(cx).focus_handle(cx).clone().focus(window);
+            view.read(cx).focus_handle(cx).focus(window);
         })
     }
 }
diff --git a/crates/gpui/src/app/context.rs b/crates/gpui/src/app/context.rs
index 392be2ffe9..1112878a66 100644
--- a/crates/gpui/src/app/context.rs
+++ b/crates/gpui/src/app/context.rs
@@ -164,6 +164,20 @@ impl<'a, T: 'static> Context<'a, T> {
         subscription
     }
 
+    /// Register a callback to be invoked when the application is about to restart.
+    pub fn on_app_restart(
+        &self,
+        mut on_restart: impl FnMut(&mut T, &mut App) + 'static,
+    ) -> Subscription
+    where
+        T: 'static,
+    {
+        let handle = self.weak_entity();
+        self.app.on_app_restart(move |cx| {
+            handle.update(cx, |entity, cx| on_restart(entity, cx)).ok();
+        })
+    }
+
     /// Arrange for the given function to be invoked whenever the application is quit.
     /// The future returned from this callback will be polled for up to [crate::SHUTDOWN_TIMEOUT] until the app fully quits.
     pub fn on_app_quit<Fut>(
@@ -175,20 +189,15 @@ impl<'a, T: 'static> Context<'a, T> {
         T: 'static,
     {
         let handle = self.weak_entity();
-        let (subscription, activate) = self.app.quit_observers.insert(
-            (),
-            Box::new(move |cx| {
-                let future = handle.update(cx, |entity, cx| on_quit(entity, cx)).ok();
-                async move {
-                    if let Some(future) = future {
-                        future.await;
-                    }
+        self.app.on_app_quit(move |cx| {
+            let future = handle.update(cx, |entity, cx| on_quit(entity, cx)).ok();
+            async move {
+                if let Some(future) = future {
+                    future.await;
                 }
-                .boxed_local()
-            }),
-        );
-        activate();
-        subscription
+            }
+            .boxed_local()
+        })
     }
 
     /// Tell GPUI that this entity has changed and observers of it should be notified.
@@ -463,7 +472,7 @@ impl<'a, T: 'static> Context<'a, T> {
 
         let view = self.weak_entity();
         inner(
-            &mut self.keystroke_observers,
+            &self.keystroke_observers,
             Box::new(move |event, window, cx| {
                 if let Some(view) = view.upgrade() {
                     view.update(cx, |view, cx| f(view, event, window, cx));
@@ -601,16 +610,16 @@ impl<'a, T: 'static> Context<'a, T> {
         let (subscription, activate) =
             window.new_focus_listener(Box::new(move |event, window, cx| {
                 view.update(cx, |view, cx| {
-                    if let Some(blurred_id) = event.previous_focus_path.last().copied() {
-                        if event.is_focus_out(focus_id) {
-                            let event = FocusOutEvent {
-                                blurred: WeakFocusHandle {
-                                    id: blurred_id,
-                                    handles: Arc::downgrade(&cx.focus_handles),
-                                },
-                            };
-                            listener(view, event, window, cx)
-                        }
+                    if let Some(blurred_id) = event.previous_focus_path.last().copied()
+                        && event.is_focus_out(focus_id)
+                    {
+                        let event = FocusOutEvent {
+                            blurred: WeakFocusHandle {
+                                id: blurred_id,
+                                handles: Arc::downgrade(&cx.focus_handles),
+                            },
+                        };
+                        listener(view, event, window, cx)
                     }
                 })
                 .is_ok()
diff --git a/crates/gpui/src/app/entity_map.rs b/crates/gpui/src/app/entity_map.rs
index fccb417caa..ea52b46d9f 100644
--- a/crates/gpui/src/app/entity_map.rs
+++ b/crates/gpui/src/app/entity_map.rs
@@ -231,14 +231,15 @@ impl AnyEntity {
         Self {
             entity_id: id,
             entity_type,
-            entity_map: entity_map.clone(),
             #[cfg(any(test, feature = "leak-detection"))]
             handle_id: entity_map
+                .clone()
                 .upgrade()
                 .unwrap()
                 .write()
                 .leak_detector
                 .handle_created(id),
+            entity_map,
         }
     }
 
@@ -661,7 +662,7 @@ pub struct WeakEntity<T> {
 
 impl<T> std::fmt::Debug for WeakEntity<T> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct(&type_name::<Self>())
+        f.debug_struct(type_name::<Self>())
             .field("entity_id", &self.any_entity.entity_id)
             .field("entity_type", &type_name::<T>())
             .finish()
@@ -786,7 +787,7 @@ impl<T: 'static> PartialOrd for WeakEntity<T> {
 
 #[cfg(any(test, feature = "leak-detection"))]
 static LEAK_BACKTRACE: std::sync::LazyLock<bool> =
-    std::sync::LazyLock::new(|| std::env::var("LEAK_BACKTRACE").map_or(false, |b| !b.is_empty()));
+    std::sync::LazyLock::new(|| std::env::var("LEAK_BACKTRACE").is_ok_and(|b| !b.is_empty()));
 
 #[cfg(any(test, feature = "leak-detection"))]
 #[derive(Clone, Copy, Debug, Default, Hash, PartialEq, Eq)]
diff --git a/crates/gpui/src/app/test_context.rs b/crates/gpui/src/app/test_context.rs
index 35e6032671..c65c045f6b 100644
--- a/crates/gpui/src/app/test_context.rs
+++ b/crates/gpui/src/app/test_context.rs
@@ -134,7 +134,7 @@ impl TestAppContext {
             app: App::new_app(platform.clone(), asset_source, http_client),
             background_executor,
             foreground_executor,
-            dispatcher: dispatcher.clone(),
+            dispatcher,
             test_platform: platform,
             text_system,
             fn_name,
@@ -192,6 +192,7 @@ impl TestAppContext {
         &self.foreground_executor
     }
 
+    #[expect(clippy::wrong_self_convention)]
     fn new<T: 'static>(&mut self, build_entity: impl FnOnce(&mut Context<T>) -> T) -> Entity<T> {
         let mut cx = self.app.borrow_mut();
         cx.new(build_entity)
@@ -219,7 +220,7 @@ impl TestAppContext {
         let mut cx = self.app.borrow_mut();
 
         // Some tests rely on the window size matching the bounds of the test display
-        let bounds = Bounds::maximized(None, &mut cx);
+        let bounds = Bounds::maximized(None, &cx);
         cx.open_window(
             WindowOptions {
                 window_bounds: Some(WindowBounds::Windowed(bounds)),
@@ -233,7 +234,7 @@ impl TestAppContext {
     /// Adds a new window with no content.
     pub fn add_empty_window(&mut self) -> &mut VisualTestContext {
         let mut cx = self.app.borrow_mut();
-        let bounds = Bounds::maximized(None, &mut cx);
+        let bounds = Bounds::maximized(None, &cx);
         let window = cx
             .open_window(
                 WindowOptions {
@@ -244,7 +245,7 @@ impl TestAppContext {
             )
             .unwrap();
         drop(cx);
-        let cx = VisualTestContext::from_window(*window.deref(), self).as_mut();
+        let cx = VisualTestContext::from_window(*window.deref(), self).into_mut();
         cx.run_until_parked();
         cx
     }
@@ -261,7 +262,7 @@ impl TestAppContext {
         V: 'static + Render,
     {
         let mut cx = self.app.borrow_mut();
-        let bounds = Bounds::maximized(None, &mut cx);
+        let bounds = Bounds::maximized(None, &cx);
         let window = cx
             .open_window(
                 WindowOptions {
@@ -273,7 +274,7 @@ impl TestAppContext {
             .unwrap();
         drop(cx);
         let view = window.root(self).unwrap();
-        let cx = VisualTestContext::from_window(*window.deref(), self).as_mut();
+        let cx = VisualTestContext::from_window(*window.deref(), self).into_mut();
         cx.run_until_parked();
 
         // it might be nice to try and cleanup these at the end of each test.
@@ -338,7 +339,7 @@ impl TestAppContext {
 
     /// Returns all windows open in the test.
     pub fn windows(&self) -> Vec<AnyWindowHandle> {
-        self.app.borrow().windows().clone()
+        self.app.borrow().windows()
     }
 
     /// Run the given task on the main thread.
@@ -585,7 +586,7 @@ impl<V: 'static> Entity<V> {
         cx.executor().advance_clock(advance_clock_by);
 
         async move {
-            let notification = crate::util::timeout(duration, rx.recv())
+            let notification = crate::util::smol_timeout(duration, rx.recv())
                 .await
                 .expect("next notification timed out");
             drop(subscription);
@@ -618,7 +619,7 @@ impl<V> Entity<V> {
                 }
             }),
             cx.subscribe(self, {
-                let mut tx = tx.clone();
+                let mut tx = tx;
                 move |_, _: &Evt, _| {
                     tx.blocking_send(()).ok();
                 }
@@ -629,7 +630,7 @@ impl<V> Entity<V> {
         let handle = self.downgrade();
 
         async move {
-            crate::util::timeout(Duration::from_secs(1), async move {
+            crate::util::smol_timeout(Duration::from_secs(1), async move {
                 loop {
                     {
                         let cx = cx.borrow();
@@ -882,7 +883,7 @@ impl VisualTestContext {
 
     /// Get an &mut VisualTestContext (which is mostly what you need to pass to other methods).
     /// This method internally retains the VisualTestContext until the end of the test.
-    pub fn as_mut(self) -> &'static mut Self {
+    pub fn into_mut(self) -> &'static mut Self {
         let ptr = Box::into_raw(Box::new(self));
         // safety: on_quit will be called after the test has finished.
         // the executor will ensure that all tasks related to the test have stopped.
@@ -1025,7 +1026,7 @@ impl VisualContext for VisualTestContext {
     fn focus<V: crate::Focusable>(&mut self, view: &Entity<V>) -> Self::Result<()> {
         self.window
             .update(&mut self.cx, |_, window, cx| {
-                view.read(cx).focus_handle(cx).clone().focus(window)
+                view.read(cx).focus_handle(cx).focus(window)
             })
             .unwrap()
     }
diff --git a/crates/gpui/src/arena.rs b/crates/gpui/src/arena.rs
index ee72d0e964..0983bd2345 100644
--- a/crates/gpui/src/arena.rs
+++ b/crates/gpui/src/arena.rs
@@ -142,7 +142,7 @@ impl Arena {
                 if self.current_chunk_index >= self.chunks.len() {
                     self.chunks.push(Chunk::new(self.chunk_size));
                     assert_eq!(self.current_chunk_index, self.chunks.len() - 1);
-                    log::info!(
+                    log::trace!(
                         "increased element arena capacity to {}kb",
                         self.capacity() / 1024,
                     );
diff --git a/crates/gpui/src/color.rs b/crates/gpui/src/color.rs
index a16c8f46be..cb7329c03f 100644
--- a/crates/gpui/src/color.rs
+++ b/crates/gpui/src/color.rs
@@ -35,6 +35,7 @@ pub(crate) fn swap_rgba_pa_to_bgra(color: &mut [u8]) {
 
 /// An RGBA color
 #[derive(PartialEq, Clone, Copy, Default)]
+#[repr(C)]
 pub struct Rgba {
     /// The red component of the color, in the range 0.0 to 1.0
     pub r: f32,
@@ -904,9 +905,9 @@ mod tests {
         assert_eq!(background.solid, color);
 
         assert_eq!(background.opacity(0.5).solid, color.opacity(0.5));
-        assert_eq!(background.is_transparent(), false);
+        assert!(!background.is_transparent());
         background.solid = hsla(0.0, 0.0, 0.0, 0.0);
-        assert_eq!(background.is_transparent(), true);
+        assert!(background.is_transparent());
     }
 
     #[test]
@@ -920,7 +921,7 @@ mod tests {
 
         assert_eq!(background.opacity(0.5).colors[0], from.opacity(0.5));
         assert_eq!(background.opacity(0.5).colors[1], to.opacity(0.5));
-        assert_eq!(background.is_transparent(), false);
-        assert_eq!(background.opacity(0.0).is_transparent(), true);
+        assert!(!background.is_transparent());
+        assert!(background.opacity(0.0).is_transparent());
     }
 }
diff --git a/crates/gpui/src/element.rs b/crates/gpui/src/element.rs
index e5f49c7be1..f537bc5ac8 100644
--- a/crates/gpui/src/element.rs
+++ b/crates/gpui/src/element.rs
@@ -603,10 +603,8 @@ impl AnyElement {
 
         self.0.prepaint(window, cx);
 
-        if !focus_assigned {
-            if let Some(focus_id) = window.next_frame.focus {
-                return FocusHandle::for_id(focus_id, &cx.focus_handles);
-            }
+        if !focus_assigned && let Some(focus_id) = window.next_frame.focus {
+            return FocusHandle::for_id(focus_id, &cx.focus_handles);
         }
 
         None
diff --git a/crates/gpui/src/elements/div.rs b/crates/gpui/src/elements/div.rs
index fa47758581..c9826b704e 100644
--- a/crates/gpui/src/elements/div.rs
+++ b/crates/gpui/src/elements/div.rs
@@ -19,14 +19,15 @@ use crate::{
     Action, AnyDrag, AnyElement, AnyTooltip, AnyView, App, Bounds, ClickEvent, DispatchPhase,
     Element, ElementId, Entity, FocusHandle, Global, GlobalElementId, Hitbox, HitboxBehavior,
     HitboxId, InspectorElementId, IntoElement, IsZero, KeyContext, KeyDownEvent, KeyUpEvent,
-    LayoutId, ModifiersChangedEvent, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent,
-    Overflow, ParentElement, Pixels, Point, Render, ScrollWheelEvent, SharedString, Size, Style,
-    StyleRefinement, Styled, Task, TooltipId, Visibility, Window, WindowControlArea, point, px,
-    size,
+    KeyboardButton, KeyboardClickEvent, LayoutId, ModifiersChangedEvent, MouseButton,
+    MouseClickEvent, MouseDownEvent, MouseMoveEvent, MouseUpEvent, Overflow, ParentElement, Pixels,
+    Point, Render, ScrollWheelEvent, SharedString, Size, Style, StyleRefinement, Styled, Task,
+    TooltipId, Visibility, Window, WindowControlArea, point, px, size,
 };
 use collections::HashMap;
 use refineable::Refineable;
 use smallvec::SmallVec;
+use stacksafe::{StackSafe, stacksafe};
 use std::{
     any::{Any, TypeId},
     cell::RefCell,
@@ -285,21 +286,20 @@ impl Interactivity {
     {
         self.mouse_move_listeners
             .push(Box::new(move |event, phase, hitbox, window, cx| {
-                if phase == DispatchPhase::Capture {
-                    if let Some(drag) = &cx.active_drag {
-                        if drag.value.as_ref().type_id() == TypeId::of::<T>() {
-                            (listener)(
-                                &DragMoveEvent {
-                                    event: event.clone(),
-                                    bounds: hitbox.bounds,
-                                    drag: PhantomData,
-                                    dragged_item: Arc::clone(&drag.value),
-                                },
-                                window,
-                                cx,
-                            );
-                        }
-                    }
+                if phase == DispatchPhase::Capture
+                    && let Some(drag) = &cx.active_drag
+                    && drag.value.as_ref().type_id() == TypeId::of::<T>()
+                {
+                    (listener)(
+                        &DragMoveEvent {
+                            event: event.clone(),
+                            bounds: hitbox.bounds,
+                            drag: PhantomData,
+                            dragged_item: Arc::clone(&drag.value),
+                        },
+                        window,
+                        cx,
+                    );
                 }
             }));
     }
@@ -484,10 +484,9 @@ impl Interactivity {
     where
         Self: Sized,
     {
-        self.click_listeners
-            .push(Box::new(move |event, window, cx| {
-                listener(event, window, cx)
-            }));
+        self.click_listeners.push(Rc::new(move |event, window, cx| {
+            listener(event, window, cx)
+        }));
     }
 
     /// On drag initiation, this callback will be used to create a new view to render the dragged value for a
@@ -1156,7 +1155,7 @@ pub(crate) type MouseMoveListener =
 pub(crate) type ScrollWheelListener =
     Box<dyn Fn(&ScrollWheelEvent, DispatchPhase, &Hitbox, &mut Window, &mut App) + 'static>;
 
-pub(crate) type ClickListener = Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>;
+pub(crate) type ClickListener = Rc<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>;
 
 pub(crate) type DragListener =
     Box<dyn Fn(&dyn Any, Point<Pixels>, &mut Window, &mut App) -> AnyView + 'static>;
@@ -1196,7 +1195,7 @@ pub fn div() -> Div {
 /// A [`Div`] element, the all-in-one element for building complex UIs in GPUI
 pub struct Div {
     interactivity: Interactivity,
-    children: SmallVec<[AnyElement; 2]>,
+    children: SmallVec<[StackSafe<AnyElement>; 2]>,
     prepaint_listener: Option<Box<dyn Fn(Vec<Bounds<Pixels>>, &mut Window, &mut App) + 'static>>,
     image_cache: Option<Box<dyn ImageCacheProvider>>,
 }
@@ -1257,7 +1256,8 @@ impl InteractiveElement for Div {
 
 impl ParentElement for Div {
     fn extend(&mut self, elements: impl IntoIterator<Item = AnyElement>) {
-        self.children.extend(elements)
+        self.children
+            .extend(elements.into_iter().map(StackSafe::new))
     }
 }
 
@@ -1273,6 +1273,7 @@ impl Element for Div {
         self.interactivity.source_location()
     }
 
+    #[stacksafe]
     fn request_layout(
         &mut self,
         global_id: Option<&GlobalElementId>,
@@ -1308,6 +1309,7 @@ impl Element for Div {
         (layout_id, DivFrameState { child_layout_ids })
     }
 
+    #[stacksafe]
     fn prepaint(
         &mut self,
         global_id: Option<&GlobalElementId>,
@@ -1377,6 +1379,7 @@ impl Element for Div {
         )
     }
 
+    #[stacksafe]
     fn paint(
         &mut self,
         global_id: Option<&GlobalElementId>,
@@ -1510,15 +1513,14 @@ impl Interactivity {
                 let mut element_state =
                     element_state.map(|element_state| element_state.unwrap_or_default());
 
-                if let Some(element_state) = element_state.as_ref() {
-                    if cx.has_active_drag() {
-                        if let Some(pending_mouse_down) = element_state.pending_mouse_down.as_ref()
-                        {
-                            *pending_mouse_down.borrow_mut() = None;
-                        }
-                        if let Some(clicked_state) = element_state.clicked_state.as_ref() {
-                            *clicked_state.borrow_mut() = ElementClickedState::default();
-                        }
+                if let Some(element_state) = element_state.as_ref()
+                    && cx.has_active_drag()
+                {
+                    if let Some(pending_mouse_down) = element_state.pending_mouse_down.as_ref() {
+                        *pending_mouse_down.borrow_mut() = None;
+                    }
+                    if let Some(clicked_state) = element_state.clicked_state.as_ref() {
+                        *clicked_state.borrow_mut() = ElementClickedState::default();
                     }
                 }
 
@@ -1526,35 +1528,35 @@ impl Interactivity {
                 // If there's an explicit focus handle we're tracking, use that. Otherwise
                 // create a new handle and store it in the element state, which lives for as
                 // as frames contain an element with this id.
-                if self.focusable && self.tracked_focus_handle.is_none() {
-                    if let Some(element_state) = element_state.as_mut() {
-                        let mut handle = element_state
-                            .focus_handle
-                            .get_or_insert_with(|| cx.focus_handle())
-                            .clone()
-                            .tab_stop(false);
+                if self.focusable
+                    && self.tracked_focus_handle.is_none()
+                    && let Some(element_state) = element_state.as_mut()
+                {
+                    let mut handle = element_state
+                        .focus_handle
+                        .get_or_insert_with(|| cx.focus_handle())
+                        .clone()
+                        .tab_stop(false);
 
-                        if let Some(index) = self.tab_index {
-                            handle = handle.tab_index(index).tab_stop(true);
-                        }
-
-                        self.tracked_focus_handle = Some(handle);
+                    if let Some(index) = self.tab_index {
+                        handle = handle.tab_index(index).tab_stop(true);
                     }
+
+                    self.tracked_focus_handle = Some(handle);
                 }
 
                 if let Some(scroll_handle) = self.tracked_scroll_handle.as_ref() {
                     self.scroll_offset = Some(scroll_handle.0.borrow().offset.clone());
-                } else if self.base_style.overflow.x == Some(Overflow::Scroll)
-                    || self.base_style.overflow.y == Some(Overflow::Scroll)
+                } else if (self.base_style.overflow.x == Some(Overflow::Scroll)
+                    || self.base_style.overflow.y == Some(Overflow::Scroll))
+                    && let Some(element_state) = element_state.as_mut()
                 {
-                    if let Some(element_state) = element_state.as_mut() {
-                        self.scroll_offset = Some(
-                            element_state
-                                .scroll_offset
-                                .get_or_insert_with(Rc::default)
-                                .clone(),
-                        );
-                    }
+                    self.scroll_offset = Some(
+                        element_state
+                            .scroll_offset
+                            .get_or_insert_with(Rc::default)
+                            .clone(),
+                    );
                 }
 
                 let style = self.compute_style_internal(None, element_state.as_mut(), window, cx);
@@ -1950,6 +1952,12 @@ impl Interactivity {
         window: &mut Window,
         cx: &mut App,
     ) {
+        let is_focused = self
+            .tracked_focus_handle
+            .as_ref()
+            .map(|handle| handle.is_focused(window))
+            .unwrap_or(false);
+
         // If this element can be focused, register a mouse down listener
         // that will automatically transfer focus when hitting the element.
         // This behavior can be suppressed by using `cx.prevent_default()`.
@@ -2021,26 +2029,27 @@ impl Interactivity {
             let hitbox = hitbox.clone();
             window.on_mouse_event({
                 move |_: &MouseUpEvent, phase, window, cx| {
-                    if let Some(drag) = &cx.active_drag {
-                        if phase == DispatchPhase::Bubble && hitbox.is_hovered(window) {
-                            let drag_state_type = drag.value.as_ref().type_id();
-                            for (drop_state_type, listener) in &drop_listeners {
-                                if *drop_state_type == drag_state_type {
-                                    let drag = cx
-                                        .active_drag
-                                        .take()
-                                        .expect("checked for type drag state type above");
+                    if let Some(drag) = &cx.active_drag
+                        && phase == DispatchPhase::Bubble
+                        && hitbox.is_hovered(window)
+                    {
+                        let drag_state_type = drag.value.as_ref().type_id();
+                        for (drop_state_type, listener) in &drop_listeners {
+                            if *drop_state_type == drag_state_type {
+                                let drag = cx
+                                    .active_drag
+                                    .take()
+                                    .expect("checked for type drag state type above");
 
-                                    let mut can_drop = true;
-                                    if let Some(predicate) = &can_drop_predicate {
-                                        can_drop = predicate(drag.value.as_ref(), window, cx);
-                                    }
+                                let mut can_drop = true;
+                                if let Some(predicate) = &can_drop_predicate {
+                                    can_drop = predicate(drag.value.as_ref(), window, cx);
+                                }
 
-                                    if can_drop {
-                                        listener(drag.value.as_ref(), window, cx);
-                                        window.refresh();
-                                        cx.stop_propagation();
-                                    }
+                                if can_drop {
+                                    listener(drag.value.as_ref(), window, cx);
+                                    window.refresh();
+                                    cx.stop_propagation();
                                 }
                             }
                         }
@@ -2084,35 +2093,61 @@ impl Interactivity {
                         }
 
                         let mut pending_mouse_down = pending_mouse_down.borrow_mut();
-                        if let Some(mouse_down) = pending_mouse_down.clone() {
-                            if !cx.has_active_drag()
-                                && (event.position - mouse_down.position).magnitude()
-                                    > DRAG_THRESHOLD
-                            {
-                                if let Some((drag_value, drag_listener)) = drag_listener.take() {
-                                    *clicked_state.borrow_mut() = ElementClickedState::default();
-                                    let cursor_offset = event.position - hitbox.origin;
-                                    let drag = (drag_listener)(
-                                        drag_value.as_ref(),
-                                        cursor_offset,
-                                        window,
-                                        cx,
-                                    );
-                                    cx.active_drag = Some(AnyDrag {
-                                        view: drag,
-                                        value: drag_value,
-                                        cursor_offset,
-                                        cursor_style: drag_cursor_style,
-                                    });
-                                    pending_mouse_down.take();
-                                    window.refresh();
-                                    cx.stop_propagation();
-                                }
-                            }
+                        if let Some(mouse_down) = pending_mouse_down.clone()
+                            && !cx.has_active_drag()
+                            && (event.position - mouse_down.position).magnitude() > DRAG_THRESHOLD
+                            && let Some((drag_value, drag_listener)) = drag_listener.take()
+                        {
+                            *clicked_state.borrow_mut() = ElementClickedState::default();
+                            let cursor_offset = event.position - hitbox.origin;
+                            let drag =
+                                (drag_listener)(drag_value.as_ref(), cursor_offset, window, cx);
+                            cx.active_drag = Some(AnyDrag {
+                                view: drag,
+                                value: drag_value,
+                                cursor_offset,
+                                cursor_style: drag_cursor_style,
+                            });
+                            pending_mouse_down.take();
+                            window.refresh();
+                            cx.stop_propagation();
                         }
                     }
                 });
 
+                if is_focused {
+                    // Press enter, space to trigger click, when the element is focused.
+                    window.on_key_event({
+                        let click_listeners = click_listeners.clone();
+                        let hitbox = hitbox.clone();
+                        move |event: &KeyUpEvent, phase, window, cx| {
+                            if phase.bubble() && !window.default_prevented() {
+                                let stroke = &event.keystroke;
+                                let keyboard_button = if stroke.key.eq("enter") {
+                                    Some(KeyboardButton::Enter)
+                                } else if stroke.key.eq("space") {
+                                    Some(KeyboardButton::Space)
+                                } else {
+                                    None
+                                };
+
+                                if let Some(button) = keyboard_button
+                                    && !stroke.modifiers.modified()
+                                {
+                                    let click_event = ClickEvent::Keyboard(KeyboardClickEvent {
+                                        button,
+                                        bounds: hitbox.bounds,
+                                    });
+
+                                    for listener in &click_listeners {
+                                        listener(&click_event, window, cx);
+                                    }
+                                }
+                            }
+                        }
+                    });
+                }
+
                 window.on_mouse_event({
                     let mut captured_mouse_down = None;
                     let hitbox = hitbox.clone();
@@ -2138,10 +2173,10 @@ impl Interactivity {
                         // Fire click handlers during the bubble phase.
                         DispatchPhase::Bubble => {
                             if let Some(mouse_down) = captured_mouse_down.take() {
-                                let mouse_click = ClickEvent {
+                                let mouse_click = ClickEvent::Mouse(MouseClickEvent {
                                     down: mouse_down,
                                     up: event.clone(),
-                                };
+                                });
                                 for listener in &click_listeners {
                                     listener(&mouse_click, window, cx);
                                 }
@@ -2239,7 +2274,7 @@ impl Interactivity {
                 window.on_mouse_event(move |_: &MouseDownEvent, phase, window, _cx| {
                     if phase == DispatchPhase::Bubble && !window.default_prevented() {
                         let group_hovered = active_group_hitbox
-                            .map_or(false, |group_hitbox_id| group_hitbox_id.is_hovered(window));
+                            .is_some_and(|group_hitbox_id| group_hitbox_id.is_hovered(window));
                         let element_hovered = hitbox.is_hovered(window);
                         if group_hovered || element_hovered {
                             *active_state.borrow_mut() = ElementClickedState {
@@ -2385,33 +2420,32 @@ impl Interactivity {
         style.refine(&self.base_style);
 
         if let Some(focus_handle) = self.tracked_focus_handle.as_ref() {
-            if let Some(in_focus_style) = self.in_focus_style.as_ref() {
-                if focus_handle.within_focused(window, cx) {
-                    style.refine(in_focus_style);
-                }
+            if let Some(in_focus_style) = self.in_focus_style.as_ref()
+                && focus_handle.within_focused(window, cx)
+            {
+                style.refine(in_focus_style);
             }
 
-            if let Some(focus_style) = self.focus_style.as_ref() {
-                if focus_handle.is_focused(window) {
-                    style.refine(focus_style);
-                }
+            if let Some(focus_style) = self.focus_style.as_ref()
+                && focus_handle.is_focused(window)
+            {
+                style.refine(focus_style);
             }
         }
 
         if let Some(hitbox) = hitbox {
             if !cx.has_active_drag() {
-                if let Some(group_hover) = self.group_hover_style.as_ref() {
-                    if let Some(group_hitbox_id) = GroupHitboxes::get(&group_hover.group, cx) {
-                        if group_hitbox_id.is_hovered(window) {
-                            style.refine(&group_hover.style);
-                        }
-                    }
+                if let Some(group_hover) = self.group_hover_style.as_ref()
+                    && let Some(group_hitbox_id) = GroupHitboxes::get(&group_hover.group, cx)
+                    && group_hitbox_id.is_hovered(window)
+                {
+                    style.refine(&group_hover.style);
                 }
 
-                if let Some(hover_style) = self.hover_style.as_ref() {
-                    if hitbox.is_hovered(window) {
-                        style.refine(hover_style);
-                    }
+                if let Some(hover_style) = self.hover_style.as_ref()
+                    && hitbox.is_hovered(window)
+                {
+                    style.refine(hover_style);
                 }
             }
 
@@ -2425,12 +2459,10 @@ impl Interactivity {
                     for (state_type, group_drag_style) in &self.group_drag_over_styles {
                         if let Some(group_hitbox_id) =
                             GroupHitboxes::get(&group_drag_style.group, cx)
+                            && *state_type == drag.value.as_ref().type_id()
+                            && group_hitbox_id.is_hovered(window)
                         {
-                            if *state_type == drag.value.as_ref().type_id()
-                                && group_hitbox_id.is_hovered(window)
-                            {
-                                style.refine(&group_drag_style.style);
-                            }
+                            style.refine(&group_drag_style.style);
                         }
                     }
 
@@ -2452,16 +2484,16 @@ impl Interactivity {
                 .clicked_state
                 .get_or_insert_with(Default::default)
                 .borrow();
-            if clicked_state.group {
-                if let Some(group) = self.group_active_style.as_ref() {
-                    style.refine(&group.style)
-                }
+            if clicked_state.group
+                && let Some(group) = self.group_active_style.as_ref()
+            {
+                style.refine(&group.style)
             }
 
-            if let Some(active_style) = self.active_style.as_ref() {
-                if clicked_state.element {
-                    style.refine(active_style)
-                }
+            if let Some(active_style) = self.active_style.as_ref()
+                && clicked_state.element
+            {
+                style.refine(active_style)
             }
         }
 
@@ -2582,7 +2614,7 @@ pub(crate) fn register_tooltip_mouse_handlers(
     window.on_mouse_event({
         let active_tooltip = active_tooltip.clone();
         move |_: &MouseDownEvent, _phase, window: &mut Window, _cx| {
-            if !tooltip_id.map_or(false, |tooltip_id| tooltip_id.is_hovered(window)) {
+            if !tooltip_id.is_some_and(|tooltip_id| tooltip_id.is_hovered(window)) {
                 clear_active_tooltip_if_not_hoverable(&active_tooltip, window);
             }
         }
@@ -2591,7 +2623,7 @@ pub(crate) fn register_tooltip_mouse_handlers(
     window.on_mouse_event({
         let active_tooltip = active_tooltip.clone();
         move |_: &ScrollWheelEvent, _phase, window: &mut Window, _cx| {
-            if !tooltip_id.map_or(false, |tooltip_id| tooltip_id.is_hovered(window)) {
+            if !tooltip_id.is_some_and(|tooltip_id| tooltip_id.is_hovered(window)) {
                 clear_active_tooltip_if_not_hoverable(&active_tooltip, window);
             }
         }
@@ -2747,7 +2779,7 @@ fn handle_tooltip_check_visible_and_update(
 
     match action {
         Action::None => {}
-        Action::Hide => clear_active_tooltip(&active_tooltip, window),
+        Action::Hide => clear_active_tooltip(active_tooltip, window),
         Action::ScheduleHide(tooltip) => {
             let delayed_hide_task = window.spawn(cx, {
                 let active_tooltip = active_tooltip.clone();
diff --git a/crates/gpui/src/elements/image_cache.rs b/crates/gpui/src/elements/image_cache.rs
index e7bdeaf9eb..ee1436134a 100644
--- a/crates/gpui/src/elements/image_cache.rs
+++ b/crates/gpui/src/elements/image_cache.rs
@@ -64,7 +64,7 @@ mod any_image_cache {
         cx: &mut App,
     ) -> Option<Result<Arc<RenderImage>, ImageCacheError>> {
         let image_cache = image_cache.clone().downcast::<I>().unwrap();
-        return image_cache.update(cx, |image_cache, cx| image_cache.load(resource, window, cx));
+        image_cache.update(cx, |image_cache, cx| image_cache.load(resource, window, cx))
     }
 }
 
@@ -297,10 +297,10 @@ impl RetainAllImageCache {
     /// Remove the image from the cache by the given source.
     pub fn remove(&mut self, source: &Resource, window: &mut Window, cx: &mut App) {
         let hash = hash(source);
-        if let Some(mut item) = self.0.remove(&hash) {
-            if let Some(Ok(image)) = item.get() {
-                cx.drop_image(image, Some(window));
-            }
+        if let Some(mut item) = self.0.remove(&hash)
+            && let Some(Ok(image)) = item.get()
+        {
+            cx.drop_image(image, Some(window));
         }
     }
 
diff --git a/crates/gpui/src/elements/img.rs b/crates/gpui/src/elements/img.rs
index 993b319b69..893860d7e1 100644
--- a/crates/gpui/src/elements/img.rs
+++ b/crates/gpui/src/elements/img.rs
@@ -379,13 +379,12 @@ impl Element for Img {
                         None => {
                             if let Some(state) = &mut state {
                                 if let Some((started_loading, _)) = state.started_loading {
-                                    if started_loading.elapsed() > LOADING_DELAY {
-                                        if let Some(loading) = self.style.loading.as_ref() {
-                                            let mut element = loading();
-                                            replacement_id =
-                                                Some(element.request_layout(window, cx));
-                                            layout_state.replacement = Some(element);
-                                        }
+                                    if started_loading.elapsed() > LOADING_DELAY
+                                        && let Some(loading) = self.style.loading.as_ref()
+                                    {
+                                        let mut element = loading();
+                                        replacement_id = Some(element.request_layout(window, cx));
+                                        layout_state.replacement = Some(element);
                                     }
                                 } else {
                                     let current_view = window.current_view();
@@ -476,7 +475,7 @@ impl Element for Img {
                         .paint_image(
                             new_bounds,
                             corner_radii,
-                            data.clone(),
+                            data,
                             layout_state.frame_index,
                             self.style.grayscale,
                         )
diff --git a/crates/gpui/src/elements/list.rs b/crates/gpui/src/elements/list.rs
index 328a6a4cc1..6758f4eee1 100644
--- a/crates/gpui/src/elements/list.rs
+++ b/crates/gpui/src/elements/list.rs
@@ -16,12 +16,18 @@ use crate::{
 use collections::VecDeque;
 use refineable::Refineable as _;
 use std::{cell::RefCell, ops::Range, rc::Rc};
-use sum_tree::{Bias, SumTree};
+use sum_tree::{Bias, Dimensions, SumTree};
+
+type RenderItemFn = dyn FnMut(usize, &mut Window, &mut App) -> AnyElement + 'static;
 
 /// Construct a new list element
-pub fn list(state: ListState) -> List {
+pub fn list(
+    state: ListState,
+    render_item: impl FnMut(usize, &mut Window, &mut App) -> AnyElement + 'static,
+) -> List {
     List {
         state,
+        render_item: Box::new(render_item),
         style: StyleRefinement::default(),
         sizing_behavior: ListSizingBehavior::default(),
     }
@@ -30,6 +36,7 @@ pub fn list(state: ListState) -> List {
 /// A list element
 pub struct List {
     state: ListState,
+    render_item: Box<RenderItemFn>,
     style: StyleRefinement,
     sizing_behavior: ListSizingBehavior,
 }
@@ -55,7 +62,6 @@ impl std::fmt::Debug for ListState {
 struct StateInner {
     last_layout_bounds: Option<Bounds<Pixels>>,
     last_padding: Option<Edges<Pixels>>,
-    render_item: Box<dyn FnMut(usize, &mut Window, &mut App) -> AnyElement>,
     items: SumTree<ListItem>,
     logical_scroll_top: Option<ListOffset>,
     alignment: ListAlignment,
@@ -186,19 +192,10 @@ impl ListState {
     /// above and below the visible area. Elements within this area will
     /// be measured even though they are not visible. This can help ensure
     /// that the list doesn't flicker or pop in when scrolling.
-    pub fn new<R>(
-        item_count: usize,
-        alignment: ListAlignment,
-        overdraw: Pixels,
-        render_item: R,
-    ) -> Self
-    where
-        R: 'static + FnMut(usize, &mut Window, &mut App) -> AnyElement,
-    {
+    pub fn new(item_count: usize, alignment: ListAlignment, overdraw: Pixels) -> Self {
         let this = Self(Rc::new(RefCell::new(StateInner {
             last_layout_bounds: None,
             last_padding: None,
-            render_item: Box::new(render_item),
             items: SumTree::default(),
             logical_scroll_top: None,
             alignment,
@@ -371,14 +368,14 @@ impl ListState {
             return None;
         }
 
-        let mut cursor = state.items.cursor::<(Count, Height)>(&());
+        let mut cursor = state.items.cursor::<Dimensions<Count, Height>>(&());
         cursor.seek(&Count(scroll_top.item_ix), Bias::Right);
 
         let scroll_top = cursor.start().1.0 + scroll_top.offset_in_item;
 
         cursor.seek_forward(&Count(ix), Bias::Right);
         if let Some(&ListItem::Measured { size, .. }) = cursor.item() {
-            let &(Count(count), Height(top)) = cursor.start();
+            let &Dimensions(Count(count), Height(top), _) = cursor.start();
             if count == ix {
                 let top = bounds.top() + top - scroll_top;
                 return Some(Bounds::from_corners(
@@ -532,6 +529,7 @@ impl StateInner {
         available_width: Option<Pixels>,
         available_height: Pixels,
         padding: &Edges<Pixels>,
+        render_item: &mut RenderItemFn,
         window: &mut Window,
         cx: &mut App,
     ) -> LayoutItemsResponse {
@@ -566,7 +564,7 @@ impl StateInner {
             // If we're within the visible area or the height wasn't cached, render and measure the item's element
             if visible_height < available_height || size.is_none() {
                 let item_index = scroll_top.item_ix + ix;
-                let mut element = (self.render_item)(item_index, window, cx);
+                let mut element = render_item(item_index, window, cx);
                 let element_size = element.layout_as_root(available_item_space, window, cx);
                 size = Some(element_size);
                 if visible_height < available_height {
@@ -601,7 +599,7 @@ impl StateInner {
                 cursor.prev();
                 if let Some(item) = cursor.item() {
                     let item_index = cursor.start().0;
-                    let mut element = (self.render_item)(item_index, window, cx);
+                    let mut element = render_item(item_index, window, cx);
                     let element_size = element.layout_as_root(available_item_space, window, cx);
                     let focus_handle = item.focus_handle();
                     rendered_height += element_size.height;
@@ -650,7 +648,7 @@ impl StateInner {
                 let size = if let ListItem::Measured { size, .. } = item {
                     *size
                 } else {
-                    let mut element = (self.render_item)(cursor.start().0, window, cx);
+                    let mut element = render_item(cursor.start().0, window, cx);
                     element.layout_as_root(available_item_space, window, cx)
                 };
 
@@ -683,7 +681,7 @@ impl StateInner {
             while let Some(item) = cursor.item() {
                 if item.contains_focused(window, cx) {
                     let item_index = cursor.start().0;
-                    let mut element = (self.render_item)(cursor.start().0, window, cx);
+                    let mut element = render_item(cursor.start().0, window, cx);
                     let size = element.layout_as_root(available_item_space, window, cx);
                     item_layouts.push_back(ItemLayout {
                         index: item_index,
@@ -708,6 +706,7 @@ impl StateInner {
         bounds: Bounds<Pixels>,
         padding: Edges<Pixels>,
         autoscroll: bool,
+        render_item: &mut RenderItemFn,
         window: &mut Window,
         cx: &mut App,
     ) -> Result<LayoutItemsResponse, ListOffset> {
@@ -716,6 +715,7 @@ impl StateInner {
                 Some(bounds.size.width),
                 bounds.size.height,
                 &padding,
+                render_item,
                 window,
                 cx,
             );
@@ -732,47 +732,44 @@ impl StateInner {
                         item.element.prepaint_at(item_origin, window, cx);
                     });
 
-                    if let Some(autoscroll_bounds) = window.take_autoscroll() {
-                        if autoscroll {
-                            if autoscroll_bounds.top() < bounds.top() {
-                                return Err(ListOffset {
-                                    item_ix: item.index,
-                                    offset_in_item: autoscroll_bounds.top() - item_origin.y,
-                                });
-                            } else if autoscroll_bounds.bottom() > bounds.bottom() {
-                                let mut cursor = self.items.cursor::<Count>(&());
-                                cursor.seek(&Count(item.index), Bias::Right);
-                                let mut height = bounds.size.height - padding.top - padding.bottom;
-
-                                // Account for the height of the element down until the autoscroll bottom.
-                                height -= autoscroll_bounds.bottom() - item_origin.y;
-
-                                // Keep decreasing the scroll top until we fill all the available space.
-                                while height > Pixels::ZERO {
-                                    cursor.prev();
-                                    let Some(item) = cursor.item() else { break };
-
-                                    let size = item.size().unwrap_or_else(|| {
-                                        let mut item =
-                                            (self.render_item)(cursor.start().0, window, cx);
-                                        let item_available_size = size(
-                                            bounds.size.width.into(),
-                                            AvailableSpace::MinContent,
-                                        );
-                                        item.layout_as_root(item_available_size, window, cx)
-                                    });
-                                    height -= size.height;
-                                }
-
-                                return Err(ListOffset {
-                                    item_ix: cursor.start().0,
-                                    offset_in_item: if height < Pixels::ZERO {
-                                        -height
-                                    } else {
-                                        Pixels::ZERO
-                                    },
+                    if let Some(autoscroll_bounds) = window.take_autoscroll()
+                        && autoscroll
+                    {
+                        if autoscroll_bounds.top() < bounds.top() {
+                            return Err(ListOffset {
+                                item_ix: item.index,
+                                offset_in_item: autoscroll_bounds.top() - item_origin.y,
+                            });
+                        } else if autoscroll_bounds.bottom() > bounds.bottom() {
+                            let mut cursor = self.items.cursor::<Count>(&());
+                            cursor.seek(&Count(item.index), Bias::Right);
+                            let mut height = bounds.size.height - padding.top - padding.bottom;
+
+                            // Account for the height of the element down until the autoscroll bottom.
+                            height -= autoscroll_bounds.bottom() - item_origin.y;
+
+                            // Keep decreasing the scroll top until we fill all the available space.
+                            while height > Pixels::ZERO {
+                                cursor.prev();
+                                let Some(item) = cursor.item() else { break };
+
+                                let size = item.size().unwrap_or_else(|| {
+                                    let mut item = render_item(cursor.start().0, window, cx);
+                                    let item_available_size =
+                                        size(bounds.size.width.into(), AvailableSpace::MinContent);
+                                    item.layout_as_root(item_available_size, window, cx)
                                 });
+                                height -= size.height;
                             }
+
+                            return Err(ListOffset {
+                                item_ix: cursor.start().0,
+                                offset_in_item: if height < Pixels::ZERO {
+                                    -height
+                                } else {
+                                    Pixels::ZERO
+                                },
+                            });
                         }
                     }
 
@@ -876,8 +873,14 @@ impl Element for List {
                         window.rem_size(),
                     );
 
-                    let layout_response =
-                        state.layout_items(None, available_height, &padding, window, cx);
+                    let layout_response = state.layout_items(
+                        None,
+                        available_height,
+                        &padding,
+                        &mut self.render_item,
+                        window,
+                        cx,
+                    );
                     let max_element_width = layout_response.max_item_width;
 
                     let summary = state.items.summary();
@@ -935,9 +938,10 @@ impl Element for List {
         let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
 
         // If the width of the list has changed, invalidate all cached item heights
-        if state.last_layout_bounds.map_or(true, |last_bounds| {
-            last_bounds.size.width != bounds.size.width
-        }) {
+        if state
+            .last_layout_bounds
+            .is_none_or(|last_bounds| last_bounds.size.width != bounds.size.width)
+        {
             let new_items = SumTree::from_iter(
                 state.items.iter().map(|item| ListItem::Unmeasured {
                     focus_handle: item.focus_handle(),
@@ -951,15 +955,16 @@ impl Element for List {
         let padding = style
             .padding
             .to_pixels(bounds.size.into(), window.rem_size());
-        let layout = match state.prepaint_items(bounds, padding, true, window, cx) {
-            Ok(layout) => layout,
-            Err(autoscroll_request) => {
-                state.logical_scroll_top = Some(autoscroll_request);
-                state
-                    .prepaint_items(bounds, padding, false, window, cx)
-                    .unwrap()
-            }
-        };
+        let layout =
+            match state.prepaint_items(bounds, padding, true, &mut self.render_item, window, cx) {
+                Ok(layout) => layout,
+                Err(autoscroll_request) => {
+                    state.logical_scroll_top = Some(autoscroll_request);
+                    state
+                        .prepaint_items(bounds, padding, false, &mut self.render_item, window, cx)
+                        .unwrap()
+                }
+            };
 
         state.last_layout_bounds = Some(bounds);
         state.last_padding = Some(padding);
@@ -1108,9 +1113,7 @@ mod test {
 
         let cx = cx.add_empty_window();
 
-        let state = ListState::new(5, crate::ListAlignment::Top, px(10.), |_, _, _| {
-            div().h(px(10.)).w_full().into_any()
-        });
+        let state = ListState::new(5, crate::ListAlignment::Top, px(10.));
 
         // Ensure that the list is scrolled to the top
         state.scroll_to(gpui::ListOffset {
@@ -1121,7 +1124,11 @@ mod test {
         struct TestView(ListState);
         impl Render for TestView {
             fn render(&mut self, _: &mut Window, _: &mut Context<Self>) -> impl IntoElement {
-                list(self.0.clone()).w_full().h_full()
+                list(self.0.clone(), |_, _, _| {
+                    div().h(px(10.)).w_full().into_any()
+                })
+                .w_full()
+                .h_full()
             }
         }
 
@@ -1154,14 +1161,16 @@ mod test {
 
         let cx = cx.add_empty_window();
 
-        let state = ListState::new(5, crate::ListAlignment::Top, px(10.), |_, _, _| {
-            div().h(px(20.)).w_full().into_any()
-        });
+        let state = ListState::new(5, crate::ListAlignment::Top, px(10.));
 
         struct TestView(ListState);
         impl Render for TestView {
             fn render(&mut self, _: &mut Window, _: &mut Context<Self>) -> impl IntoElement {
-                list(self.0.clone()).w_full().h_full()
+                list(self.0.clone(), |_, _, _| {
+                    div().h(px(20.)).w_full().into_any()
+                })
+                .w_full()
+                .h_full()
             }
         }
 
diff --git a/crates/gpui/src/elements/text.rs b/crates/gpui/src/elements/text.rs
index 014f617e2c..b5e0712796 100644
--- a/crates/gpui/src/elements/text.rs
+++ b/crates/gpui/src/elements/text.rs
@@ -326,7 +326,7 @@ impl TextLayout {
             vec![text_style.to_run(text.len())]
         };
 
-        let layout_id = window.request_measured_layout(Default::default(), {
+        window.request_measured_layout(Default::default(), {
             let element_state = self.clone();
 
             move |known_dimensions, available_space, window, cx| {
@@ -356,12 +356,11 @@ impl TextLayout {
                         (None, "".into())
                     };
 
-                if let Some(text_layout) = element_state.0.borrow().as_ref() {
-                    if text_layout.size.is_some()
-                        && (wrap_width.is_none() || wrap_width == text_layout.wrap_width)
-                    {
-                        return text_layout.size.unwrap();
-                    }
+                if let Some(text_layout) = element_state.0.borrow().as_ref()
+                    && text_layout.size.is_some()
+                    && (wrap_width.is_none() || wrap_width == text_layout.wrap_width)
+                {
+                    return text_layout.size.unwrap();
                 }
 
                 let mut line_wrapper = cx.text_system().line_wrapper(text_style.font(), font_size);
@@ -417,9 +416,7 @@ impl TextLayout {
 
                 size
             }
-        });
-
-        layout_id
+        })
     }
 
     fn prepaint(&self, bounds: Bounds<Pixels>, text: &str) {
@@ -763,14 +760,13 @@ impl Element for InteractiveText {
                 let mut interactive_state = interactive_state.unwrap_or_default();
                 if let Some(click_listener) = self.click_listener.take() {
                     let mouse_position = window.mouse_position();
-                    if let Ok(ix) = text_layout.index_for_position(mouse_position) {
-                        if self
+                    if let Ok(ix) = text_layout.index_for_position(mouse_position)
+                        && self
                             .clickable_ranges
                             .iter()
                             .any(|range| range.contains(&ix))
-                        {
-                            window.set_cursor_style(crate::CursorStyle::PointingHand, hitbox)
-                        }
+                    {
+                        window.set_cursor_style(crate::CursorStyle::PointingHand, hitbox)
                     }
 
                     let text_layout = text_layout.clone();
@@ -803,13 +799,13 @@ impl Element for InteractiveText {
                     } else {
                         let hitbox = hitbox.clone();
                         window.on_mouse_event(move |event: &MouseDownEvent, phase, window, _| {
-                            if phase == DispatchPhase::Bubble && hitbox.is_hovered(window) {
-                                if let Ok(mouse_down_index) =
+                            if phase == DispatchPhase::Bubble
+                                && hitbox.is_hovered(window)
+                                && let Ok(mouse_down_index) =
                                     text_layout.index_for_position(event.position)
-                                {
-                                    mouse_down.set(Some(mouse_down_index));
-                                    window.refresh();
-                                }
+                            {
+                                mouse_down.set(Some(mouse_down_index));
+                                window.refresh();
                             }
                         });
                     }
diff --git a/crates/gpui/src/geometry.rs b/crates/gpui/src/geometry.rs
index 74be6344f9..87cabc8cd9 100644
--- a/crates/gpui/src/geometry.rs
+++ b/crates/gpui/src/geometry.rs
@@ -9,12 +9,14 @@ use refineable::Refineable;
 use schemars::{JsonSchema, json_schema};
 use serde::{Deserialize, Deserializer, Serialize, Serializer, de};
 use std::borrow::Cow;
+use std::ops::Range;
 use std::{
     cmp::{self, PartialOrd},
     fmt::{self, Display},
     hash::Hash,
     ops::{Add, Div, Mul, MulAssign, Neg, Sub},
 };
+use taffy::prelude::{TaffyGridLine, TaffyGridSpan};
 
 use crate::{App, DisplayId};
 
@@ -1044,7 +1046,7 @@ where
             size: self.size.clone()
                 + size(
                     amount.left.clone() + amount.right.clone(),
-                    amount.top.clone() + amount.bottom.clone(),
+                    amount.top.clone() + amount.bottom,
                 ),
         }
     }
@@ -1157,10 +1159,10 @@ where
     /// Computes the space available within outer bounds.
     pub fn space_within(&self, outer: &Self) -> Edges<T> {
         Edges {
-            top: self.top().clone() - outer.top().clone(),
-            right: outer.right().clone() - self.right().clone(),
-            bottom: outer.bottom().clone() - self.bottom().clone(),
-            left: self.left().clone() - outer.left().clone(),
+            top: self.top() - outer.top(),
+            right: outer.right() - self.right(),
+            bottom: outer.bottom() - self.bottom(),
+            left: self.left() - outer.left(),
         }
     }
 }
@@ -1639,7 +1641,7 @@ impl Bounds<Pixels> {
     }
 
     /// Convert the bounds from logical pixels to physical pixels
-    pub fn to_device_pixels(&self, factor: f32) -> Bounds<DevicePixels> {
+    pub fn to_device_pixels(self, factor: f32) -> Bounds<DevicePixels> {
         Bounds {
             origin: point(
                 DevicePixels((self.origin.x.0 * factor).round() as i32),
@@ -1710,7 +1712,7 @@ where
             top: self.top.clone() * rhs.top,
             right: self.right.clone() * rhs.right,
             bottom: self.bottom.clone() * rhs.bottom,
-            left: self.left.clone() * rhs.left,
+            left: self.left * rhs.left,
         }
     }
 }
@@ -1955,7 +1957,7 @@ impl Edges<DefiniteLength> {
     /// assert_eq!(edges_in_pixels.bottom, px(32.0)); // 2 rems
     /// assert_eq!(edges_in_pixels.left, px(50.0)); // 25% of parent width
     /// ```
-    pub fn to_pixels(&self, parent_size: Size<AbsoluteLength>, rem_size: Pixels) -> Edges<Pixels> {
+    pub fn to_pixels(self, parent_size: Size<AbsoluteLength>, rem_size: Pixels) -> Edges<Pixels> {
         Edges {
             top: self.top.to_pixels(parent_size.height, rem_size),
             right: self.right.to_pixels(parent_size.width, rem_size),
@@ -2025,7 +2027,7 @@ impl Edges<AbsoluteLength> {
     /// assert_eq!(edges_in_pixels.bottom, px(20.0)); // Already in pixels
     /// assert_eq!(edges_in_pixels.left, px(32.0)); // 2 rems converted to pixels
     /// ```
-    pub fn to_pixels(&self, rem_size: Pixels) -> Edges<Pixels> {
+    pub fn to_pixels(self, rem_size: Pixels) -> Edges<Pixels> {
         Edges {
             top: self.top.to_pixels(rem_size),
             right: self.right.to_pixels(rem_size),
@@ -2270,7 +2272,7 @@ impl Corners<AbsoluteLength> {
     /// assert_eq!(corners_in_pixels.bottom_right, Pixels(30.0));
     /// assert_eq!(corners_in_pixels.bottom_left, Pixels(32.0)); // 2 rems converted to pixels
     /// ```
-    pub fn to_pixels(&self, rem_size: Pixels) -> Corners<Pixels> {
+    pub fn to_pixels(self, rem_size: Pixels) -> Corners<Pixels> {
         Corners {
             top_left: self.top_left.to_pixels(rem_size),
             top_right: self.top_right.to_pixels(rem_size),
@@ -2409,7 +2411,7 @@ where
             top_left: self.top_left.clone() * rhs.top_left,
             top_right: self.top_right.clone() * rhs.top_right,
             bottom_right: self.bottom_right.clone() * rhs.bottom_right,
-            bottom_left: self.bottom_left.clone() * rhs.bottom_left,
+            bottom_left: self.bottom_left * rhs.bottom_left,
         }
     }
 }
@@ -2856,7 +2858,7 @@ impl DevicePixels {
     /// let total_bytes = pixels.to_bytes(bytes_per_pixel);
     /// assert_eq!(total_bytes, 40); // 10 pixels * 4 bytes/pixel = 40 bytes
     /// ```
-    pub fn to_bytes(&self, bytes_per_pixel: u8) -> u32 {
+    pub fn to_bytes(self, bytes_per_pixel: u8) -> u32 {
         self.0 as u32 * bytes_per_pixel as u32
     }
 }
@@ -3071,8 +3073,8 @@ pub struct Rems(pub f32);
 
 impl Rems {
     /// Convert this Rem value to pixels.
-    pub fn to_pixels(&self, rem_size: Pixels) -> Pixels {
-        *self * rem_size
+    pub fn to_pixels(self, rem_size: Pixels) -> Pixels {
+        self * rem_size
     }
 }
 
@@ -3166,9 +3168,9 @@ impl AbsoluteLength {
     /// assert_eq!(length_in_pixels.to_pixels(rem_size), Pixels(42.0));
     /// assert_eq!(length_in_rems.to_pixels(rem_size), Pixels(32.0));
     /// ```
-    pub fn to_pixels(&self, rem_size: Pixels) -> Pixels {
+    pub fn to_pixels(self, rem_size: Pixels) -> Pixels {
         match self {
-            AbsoluteLength::Pixels(pixels) => *pixels,
+            AbsoluteLength::Pixels(pixels) => pixels,
             AbsoluteLength::Rems(rems) => rems.to_pixels(rem_size),
         }
     }
@@ -3182,10 +3184,10 @@ impl AbsoluteLength {
     /// # Returns
     ///
     /// Returns the `AbsoluteLength` as `Pixels`.
-    pub fn to_rems(&self, rem_size: Pixels) -> Rems {
+    pub fn to_rems(self, rem_size: Pixels) -> Rems {
         match self {
             AbsoluteLength::Pixels(pixels) => Rems(pixels.0 / rem_size.0),
-            AbsoluteLength::Rems(rems) => *rems,
+            AbsoluteLength::Rems(rems) => rems,
         }
     }
 }
@@ -3313,12 +3315,12 @@ impl DefiniteLength {
     /// assert_eq!(length_in_rems.to_pixels(base_size, rem_size), Pixels(32.0));
     /// assert_eq!(length_as_fraction.to_pixels(base_size, rem_size), Pixels(50.0));
     /// ```
-    pub fn to_pixels(&self, base_size: AbsoluteLength, rem_size: Pixels) -> Pixels {
+    pub fn to_pixels(self, base_size: AbsoluteLength, rem_size: Pixels) -> Pixels {
         match self {
             DefiniteLength::Absolute(size) => size.to_pixels(rem_size),
             DefiniteLength::Fraction(fraction) => match base_size {
-                AbsoluteLength::Pixels(px) => px * *fraction,
-                AbsoluteLength::Rems(rems) => rems * rem_size * *fraction,
+                AbsoluteLength::Pixels(px) => px * fraction,
+                AbsoluteLength::Rems(rems) => rems * rem_size * fraction,
             },
         }
     }
@@ -3522,7 +3524,7 @@ impl Serialize for Length {
 /// # Returns
 ///
 /// A `DefiniteLength` representing the relative length as a fraction of the parent's size.
-pub fn relative(fraction: f32) -> DefiniteLength {
+pub const fn relative(fraction: f32) -> DefiniteLength {
     DefiniteLength::Fraction(fraction)
 }
 
@@ -3608,6 +3610,37 @@ impl From<()> for Length {
     }
 }
 
+/// A location in a grid layout.
+#[derive(Clone, PartialEq, Debug, Serialize, Deserialize, JsonSchema, Default)]
+pub struct GridLocation {
+    /// The rows this item uses within the grid.
+    pub row: Range<GridPlacement>,
+    /// The columns this item uses within the grid.
+    pub column: Range<GridPlacement>,
+}
+
+/// The placement of an item within a grid layout's column or row.
+#[derive(Clone, Copy, PartialEq, Debug, Serialize, Deserialize, JsonSchema, Default)]
+pub enum GridPlacement {
+    /// The grid line index to place this item.
+    Line(i16),
+    /// The number of grid lines to span.
+    Span(u16),
+    /// Automatically determine the placement, equivalent to Span(1)
+    #[default]
+    Auto,
+}
+
+impl From<GridPlacement> for taffy::GridPlacement {
+    fn from(placement: GridPlacement) -> Self {
+        match placement {
+            GridPlacement::Line(index) => taffy::GridPlacement::from_line_index(index),
+            GridPlacement::Span(span) => taffy::GridPlacement::from_span(span),
+            GridPlacement::Auto => taffy::GridPlacement::Auto,
+        }
+    }
+}
+
 /// Provides a trait for types that can calculate half of their value.
 ///
 /// The `Half` trait is used for types that can be evenly divided, returning a new instance of the same type
diff --git a/crates/gpui/src/gpui.rs b/crates/gpui/src/gpui.rs
index 09799eb910..0f5b98df39 100644
--- a/crates/gpui/src/gpui.rs
+++ b/crates/gpui/src/gpui.rs
@@ -157,7 +157,7 @@ pub use taffy::{AvailableSpace, LayoutId};
 #[cfg(any(test, feature = "test-support"))]
 pub use test::*;
 pub use text_system::*;
-pub use util::arc_cow::ArcCow;
+pub use util::{FutureExt, Timeout, arc_cow::ArcCow};
 pub use view::*;
 pub use window::*;
 
@@ -172,6 +172,10 @@ pub trait AppContext {
     type Result<T>;
 
     /// Create a new entity in the app context.
+    #[expect(
+        clippy::wrong_self_convention,
+        reason = "`App::new` is an ubiquitous function for creating entities"
+    )]
     fn new<T: 'static>(
         &mut self,
         build_entity: impl FnOnce(&mut Context<T>) -> T,
@@ -348,7 +352,7 @@ impl<T> Flatten<T> for Result<T> {
 }
 
 /// Information about the GPU GPUI is running on.
-#[derive(Default, Debug)]
+#[derive(Default, Debug, serde::Serialize, serde::Deserialize, Clone)]
 pub struct GpuSpecs {
     /// Whether the GPU is really a fake (like `llvmpipe`) running on the CPU.
     pub is_software_emulated: bool,
diff --git a/crates/gpui/src/inspector.rs b/crates/gpui/src/inspector.rs
index 23c46edcc1..9f86576a59 100644
--- a/crates/gpui/src/inspector.rs
+++ b/crates/gpui/src/inspector.rs
@@ -164,7 +164,7 @@ mod conditional {
                     if let Some(render_inspector) = cx
                         .inspector_element_registry
                         .renderers_by_type_id
-                        .remove(&type_id)
+                        .remove(type_id)
                     {
                         let mut element = (render_inspector)(
                             active_element.id.clone(),
diff --git a/crates/gpui/src/interactive.rs b/crates/gpui/src/interactive.rs
index edd807da11..218ae5fcdf 100644
--- a/crates/gpui/src/interactive.rs
+++ b/crates/gpui/src/interactive.rs
@@ -1,6 +1,6 @@
 use crate::{
-    Capslock, Context, Empty, IntoElement, Keystroke, Modifiers, Pixels, Point, Render, Window,
-    point, seal::Sealed,
+    Bounds, Capslock, Context, Empty, IntoElement, Keystroke, Modifiers, Pixels, Point, Render,
+    Window, point, seal::Sealed,
 };
 use smallvec::SmallVec;
 use std::{any::Any, fmt::Debug, ops::Deref, path::PathBuf};
@@ -141,7 +141,7 @@ impl MouseEvent for MouseUpEvent {}
 
 /// A click event, generated when a mouse button is pressed and released.
 #[derive(Clone, Debug, Default)]
-pub struct ClickEvent {
+pub struct MouseClickEvent {
     /// The mouse event when the button was pressed.
     pub down: MouseDownEvent,
 
@@ -149,18 +149,126 @@ pub struct ClickEvent {
     pub up: MouseUpEvent,
 }
 
+/// A click event that was generated by a keyboard button being pressed and released.
+#[derive(Clone, Debug, Default)]
+pub struct KeyboardClickEvent {
+    /// The keyboard button that was pressed to trigger the click.
+    pub button: KeyboardButton,
+
+    /// The bounds of the element that was clicked.
+    pub bounds: Bounds<Pixels>,
+}
+
+/// A click event, generated when a mouse button or keyboard button is pressed and released.
+#[derive(Clone, Debug)]
+pub enum ClickEvent {
+    /// A click event trigger by a mouse button being pressed and released.
+    Mouse(MouseClickEvent),
+    /// A click event trigger by a keyboard button being pressed and released.
+    Keyboard(KeyboardClickEvent),
+}
+
+impl Default for ClickEvent {
+    fn default() -> Self {
+        ClickEvent::Keyboard(KeyboardClickEvent::default())
+    }
+}
+
 impl ClickEvent {
-    /// Returns the modifiers that were held down during both the
-    /// mouse down and mouse up events
+    /// Returns the modifiers that were held during the click event
+    ///
+    /// `Keyboard`: The keyboard click events never have modifiers.
+    /// `Mouse`: Modifiers that were held during the mouse key up event.
     pub fn modifiers(&self) -> Modifiers {
-        Modifiers {
-            control: self.up.modifiers.control && self.down.modifiers.control,
-            alt: self.up.modifiers.alt && self.down.modifiers.alt,
-            shift: self.up.modifiers.shift && self.down.modifiers.shift,
-            platform: self.up.modifiers.platform && self.down.modifiers.platform,
-            function: self.up.modifiers.function && self.down.modifiers.function,
+        match self {
+            // Click events are only generated from keyboard events _without any modifiers_, so we know the modifiers are always Default
+            ClickEvent::Keyboard(_) => Modifiers::default(),
+            // Click events on the web only reflect the modifiers for the keyup event,
+            // tested via observing the behavior of the `ClickEvent.shiftKey` field in Chrome 138
+            // under various combinations of modifiers and keyUp / keyDown events.
+            ClickEvent::Mouse(event) => event.up.modifiers,
         }
     }
+
+    /// Returns the position of the click event
+    ///
+    /// `Keyboard`: The bottom left corner of the clicked hitbox
+    /// `Mouse`: The position of the mouse when the button was released.
+    pub fn position(&self) -> Point<Pixels> {
+        match self {
+            ClickEvent::Keyboard(event) => event.bounds.bottom_left(),
+            ClickEvent::Mouse(event) => event.up.position,
+        }
+    }
+
+    /// Returns the mouse position of the click event
+    ///
+    /// `Keyboard`: None
+    /// `Mouse`: The position of the mouse when the button was released.
+    pub fn mouse_position(&self) -> Option<Point<Pixels>> {
+        match self {
+            ClickEvent::Keyboard(_) => None,
+            ClickEvent::Mouse(event) => Some(event.up.position),
+        }
+    }
+
+    /// Returns if this was a right click
+    ///
+    /// `Keyboard`: false
+    /// `Mouse`: Whether the right button was pressed and released
+    pub fn is_right_click(&self) -> bool {
+        match self {
+            ClickEvent::Keyboard(_) => false,
+            ClickEvent::Mouse(event) => {
+                event.down.button == MouseButton::Right && event.up.button == MouseButton::Right
+            }
+        }
+    }
+
+    /// Returns whether the click was a standard click
+    ///
+    /// `Keyboard`: Always true
+    /// `Mouse`: Left button pressed and released
+    pub fn standard_click(&self) -> bool {
+        match self {
+            ClickEvent::Keyboard(_) => true,
+            ClickEvent::Mouse(event) => {
+                event.down.button == MouseButton::Left && event.up.button == MouseButton::Left
+            }
+        }
+    }
+
+    /// Returns whether the click focused the element
+    ///
+    /// `Keyboard`: false, keyboard clicks only work if an element is already focused
+    /// `Mouse`: Whether this was the first focusing click
+    pub fn first_focus(&self) -> bool {
+        match self {
+            ClickEvent::Keyboard(_) => false,
+            ClickEvent::Mouse(event) => event.down.first_mouse,
+        }
+    }
+
+    /// Returns the click count of the click event
+    ///
+    /// `Keyboard`: Always 1
+    /// `Mouse`: Count of clicks from MouseUpEvent
+    pub fn click_count(&self) -> usize {
+        match self {
+            ClickEvent::Keyboard(_) => 1,
+            ClickEvent::Mouse(event) => event.up.click_count,
+        }
+    }
+}
+
+/// An enum representing the keyboard button that was pressed for a click event.
+#[derive(Hash, PartialEq, Eq, Copy, Clone, Debug, Default)]
+pub enum KeyboardButton {
+    /// Enter key was clicked
+    #[default]
+    Enter,
+    /// Space key was clicked
+    Space,
 }
 
 /// An enum representing the mouse button that was pressed.
diff --git a/crates/gpui/src/key_dispatch.rs b/crates/gpui/src/key_dispatch.rs
index cc6ebb9b08..95374e579f 100644
--- a/crates/gpui/src/key_dispatch.rs
+++ b/crates/gpui/src/key_dispatch.rs
@@ -408,7 +408,7 @@ impl DispatchTree {
         keymap
             .bindings_for_action(action)
             .filter(|binding| {
-                Self::binding_matches_predicate_and_not_shadowed(&keymap, &binding, context_stack)
+                Self::binding_matches_predicate_and_not_shadowed(&keymap, binding, context_stack)
             })
             .cloned()
             .collect()
@@ -426,7 +426,7 @@ impl DispatchTree {
             .bindings_for_action(action)
             .rev()
             .find(|binding| {
-                Self::binding_matches_predicate_and_not_shadowed(&keymap, &binding, context_stack)
+                Self::binding_matches_predicate_and_not_shadowed(&keymap, binding, context_stack)
             })
             .cloned()
     }
@@ -458,7 +458,7 @@ impl DispatchTree {
             .keymap
             .borrow()
             .bindings_for_input(input, &context_stack);
-        return (bindings, partial, context_stack);
+        (bindings, partial, context_stack)
     }
 
     /// dispatch_key processes the keystroke
@@ -611,9 +611,17 @@ impl DispatchTree {
 
 #[cfg(test)]
 mod tests {
-    use std::{cell::RefCell, rc::Rc};
+    use crate::{
+        self as gpui, Element, ElementId, GlobalElementId, InspectorElementId, LayoutId, Style,
+    };
+    use core::panic;
+    use std::{cell::RefCell, ops::Range, rc::Rc};
 
-    use crate::{Action, ActionRegistry, DispatchTree, KeyBinding, KeyContext, Keymap};
+    use crate::{
+        Action, ActionRegistry, App, Bounds, Context, DispatchTree, FocusHandle, InputHandler,
+        IntoElement, KeyBinding, KeyContext, Keymap, Pixels, Point, Render, TestAppContext,
+        UTF16Selection, Window,
+    };
 
     #[derive(PartialEq, Eq)]
     struct TestAction;
@@ -631,10 +639,7 @@ mod tests {
         }
 
         fn partial_eq(&self, action: &dyn Action) -> bool {
-            action
-                .as_any()
-                .downcast_ref::<Self>()
-                .map_or(false, |a| self == a)
+            action.as_any().downcast_ref::<Self>() == Some(self)
         }
 
         fn boxed_clone(&self) -> std::boxed::Box<dyn Action> {
@@ -674,4 +679,165 @@ mod tests {
 
         assert!(keybinding[0].action.partial_eq(&TestAction))
     }
+
+    #[crate::test]
+    fn test_input_handler_pending(cx: &mut TestAppContext) {
+        #[derive(Clone)]
+        struct CustomElement {
+            focus_handle: FocusHandle,
+            text: Rc<RefCell<String>>,
+        }
+        impl CustomElement {
+            fn new(cx: &mut Context<Self>) -> Self {
+                Self {
+                    focus_handle: cx.focus_handle(),
+                    text: Rc::default(),
+                }
+            }
+        }
+        impl Element for CustomElement {
+            type RequestLayoutState = ();
+
+            type PrepaintState = ();
+
+            fn id(&self) -> Option<ElementId> {
+                Some("custom".into())
+            }
+            fn source_location(&self) -> Option<&'static panic::Location<'static>> {
+                None
+            }
+            fn request_layout(
+                &mut self,
+                _: Option<&GlobalElementId>,
+                _: Option<&InspectorElementId>,
+                window: &mut Window,
+                cx: &mut App,
+            ) -> (LayoutId, Self::RequestLayoutState) {
+                (window.request_layout(Style::default(), [], cx), ())
+            }
+            fn prepaint(
+                &mut self,
+                _: Option<&GlobalElementId>,
+                _: Option<&InspectorElementId>,
+                _: Bounds<Pixels>,
+                _: &mut Self::RequestLayoutState,
+                window: &mut Window,
+                cx: &mut App,
+            ) -> Self::PrepaintState {
+                window.set_focus_handle(&self.focus_handle, cx);
+            }
+            fn paint(
+                &mut self,
+                _: Option<&GlobalElementId>,
+                _: Option<&InspectorElementId>,
+                _: Bounds<Pixels>,
+                _: &mut Self::RequestLayoutState,
+                _: &mut Self::PrepaintState,
+                window: &mut Window,
+                cx: &mut App,
+            ) {
+                let mut key_context = KeyContext::default();
+                key_context.add("Terminal");
+                window.set_key_context(key_context);
+                window.handle_input(&self.focus_handle, self.clone(), cx);
+                window.on_action(std::any::TypeId::of::<TestAction>(), |_, _, _, _| {});
+            }
+        }
+        impl IntoElement for CustomElement {
+            type Element = Self;
+
+            fn into_element(self) -> Self::Element {
+                self
+            }
+        }
+
+        impl InputHandler for CustomElement {
+            fn selected_text_range(
+                &mut self,
+                _: bool,
+                _: &mut Window,
+                _: &mut App,
+            ) -> Option<UTF16Selection> {
+                None
+            }
+
+            fn marked_text_range(&mut self, _: &mut Window, _: &mut App) -> Option<Range<usize>> {
+                None
+            }
+
+            fn text_for_range(
+                &mut self,
+                _: Range<usize>,
+                _: &mut Option<Range<usize>>,
+                _: &mut Window,
+                _: &mut App,
+            ) -> Option<String> {
+                None
+            }
+
+            fn replace_text_in_range(
+                &mut self,
+                replacement_range: Option<Range<usize>>,
+                text: &str,
+                _: &mut Window,
+                _: &mut App,
+            ) {
+                if replacement_range.is_some() {
+                    unimplemented!()
+                }
+                self.text.borrow_mut().push_str(text)
+            }
+
+            fn replace_and_mark_text_in_range(
+                &mut self,
+                replacement_range: Option<Range<usize>>,
+                new_text: &str,
+                _: Option<Range<usize>>,
+                _: &mut Window,
+                _: &mut App,
+            ) {
+                if replacement_range.is_some() {
+                    unimplemented!()
+                }
+                self.text.borrow_mut().push_str(new_text)
+            }
+
+            fn unmark_text(&mut self, _: &mut Window, _: &mut App) {}
+
+            fn bounds_for_range(
+                &mut self,
+                _: Range<usize>,
+                _: &mut Window,
+                _: &mut App,
+            ) -> Option<Bounds<Pixels>> {
+                None
+            }
+
+            fn character_index_for_point(
+                &mut self,
+                _: Point<Pixels>,
+                _: &mut Window,
+                _: &mut App,
+            ) -> Option<usize> {
+                None
+            }
+        }
+        impl Render for CustomElement {
+            fn render(&mut self, _: &mut Window, _: &mut Context<Self>) -> impl IntoElement {
+                self.clone()
+            }
+        }
+
+        cx.update(|cx| {
+            cx.bind_keys([KeyBinding::new("ctrl-b", TestAction, Some("Terminal"))]);
+            cx.bind_keys([KeyBinding::new("ctrl-b h", TestAction, Some("Terminal"))]);
+        });
+        let (test, cx) = cx.add_window_view(|_, cx| CustomElement::new(cx));
+        cx.update(|window, cx| {
+            window.focus(&test.read(cx).focus_handle);
+            window.activate_window();
+        });
+        cx.simulate_keystrokes("ctrl-b [");
+        test.update(cx, |test, _| assert_eq!(test.text.borrow().as_str(), "["))
+    }
 }
diff --git a/crates/gpui/src/keymap.rs b/crates/gpui/src/keymap.rs
index 83d7479a04..757205fcc3 100644
--- a/crates/gpui/src/keymap.rs
+++ b/crates/gpui/src/keymap.rs
@@ -148,7 +148,7 @@ impl Keymap {
         let mut pending_bindings = SmallVec::<[(BindingIndex, &KeyBinding); 1]>::new();
 
         for (ix, binding) in self.bindings().enumerate().rev() {
-            let Some(depth) = self.binding_enabled(binding, &context_stack) else {
+            let Some(depth) = self.binding_enabled(binding, context_stack) else {
                 continue;
             };
             let Some(pending) = binding.match_keystrokes(input) else {
@@ -264,7 +264,7 @@ mod tests {
         ];
 
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         let (result, pending) = keymap.bindings_for_input(
             &[Keystroke::parse("ctrl-a").unwrap()],
@@ -290,7 +290,7 @@ mod tests {
         ];
 
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         // binding is only enabled in a specific context
         assert!(
@@ -344,7 +344,7 @@ mod tests {
         ];
 
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         let space = || Keystroke::parse("space").unwrap();
         let w = || Keystroke::parse("w").unwrap();
@@ -364,29 +364,29 @@ mod tests {
         // Ensure `space` results in pending input on the workspace, but not editor
         let space_workspace = keymap.bindings_for_input(&[space()], &workspace_context());
         assert!(space_workspace.0.is_empty());
-        assert_eq!(space_workspace.1, true);
+        assert!(space_workspace.1);
 
         let space_editor = keymap.bindings_for_input(&[space()], &editor_workspace_context());
         assert!(space_editor.0.is_empty());
-        assert_eq!(space_editor.1, false);
+        assert!(!space_editor.1);
 
         // Ensure `space w` results in pending input on the workspace, but not editor
         let space_w_workspace = keymap.bindings_for_input(&space_w, &workspace_context());
         assert!(space_w_workspace.0.is_empty());
-        assert_eq!(space_w_workspace.1, true);
+        assert!(space_w_workspace.1);
 
         let space_w_editor = keymap.bindings_for_input(&space_w, &editor_workspace_context());
         assert!(space_w_editor.0.is_empty());
-        assert_eq!(space_w_editor.1, false);
+        assert!(!space_w_editor.1);
 
         // Ensure `space w w` results in the binding in the workspace, but not in the editor
         let space_w_w_workspace = keymap.bindings_for_input(&space_w_w, &workspace_context());
         assert!(!space_w_w_workspace.0.is_empty());
-        assert_eq!(space_w_w_workspace.1, false);
+        assert!(!space_w_w_workspace.1);
 
         let space_w_w_editor = keymap.bindings_for_input(&space_w_w, &editor_workspace_context());
         assert!(space_w_w_editor.0.is_empty());
-        assert_eq!(space_w_w_editor.1, false);
+        assert!(!space_w_w_editor.1);
 
         // Now test what happens if we have another binding defined AFTER the NoAction
         // that should result in pending
@@ -396,11 +396,11 @@ mod tests {
             KeyBinding::new("space w x", ActionAlpha {}, Some("editor")),
         ];
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         let space_editor = keymap.bindings_for_input(&[space()], &editor_workspace_context());
         assert!(space_editor.0.is_empty());
-        assert_eq!(space_editor.1, true);
+        assert!(space_editor.1);
 
         // Now test what happens if we have another binding defined BEFORE the NoAction
         // that should result in pending
@@ -410,11 +410,11 @@ mod tests {
             KeyBinding::new("space w w", NoAction {}, Some("editor")),
         ];
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         let space_editor = keymap.bindings_for_input(&[space()], &editor_workspace_context());
         assert!(space_editor.0.is_empty());
-        assert_eq!(space_editor.1, true);
+        assert!(space_editor.1);
 
         // Now test what happens if we have another binding defined at a higher context
         // that should result in pending
@@ -424,11 +424,11 @@ mod tests {
             KeyBinding::new("space w w", NoAction {}, Some("editor")),
         ];
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         let space_editor = keymap.bindings_for_input(&[space()], &editor_workspace_context());
         assert!(space_editor.0.is_empty());
-        assert_eq!(space_editor.1, true);
+        assert!(space_editor.1);
     }
 
     #[test]
@@ -439,7 +439,7 @@ mod tests {
         ];
 
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         // Ensure `space` results in pending input on the workspace, but not editor
         let (result, pending) = keymap.bindings_for_input(
@@ -447,7 +447,7 @@ mod tests {
             &[KeyContext::parse("editor").unwrap()],
         );
         assert!(result.is_empty());
-        assert_eq!(pending, true);
+        assert!(pending);
 
         let bindings = [
             KeyBinding::new("ctrl-w left", ActionAlpha {}, Some("editor")),
@@ -455,7 +455,7 @@ mod tests {
         ];
 
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         // Ensure `space` results in pending input on the workspace, but not editor
         let (result, pending) = keymap.bindings_for_input(
@@ -463,7 +463,7 @@ mod tests {
             &[KeyContext::parse("editor").unwrap()],
         );
         assert_eq!(result.len(), 1);
-        assert_eq!(pending, false);
+        assert!(!pending);
     }
 
     #[test]
@@ -474,7 +474,7 @@ mod tests {
         ];
 
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         // Ensure `space` results in pending input on the workspace, but not editor
         let (result, pending) = keymap.bindings_for_input(
@@ -482,7 +482,7 @@ mod tests {
             &[KeyContext::parse("editor").unwrap()],
         );
         assert!(result.is_empty());
-        assert_eq!(pending, false);
+        assert!(!pending);
     }
 
     #[test]
@@ -494,7 +494,7 @@ mod tests {
         ];
 
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         // Ensure `space` results in pending input on the workspace, but not editor
         let (result, pending) = keymap.bindings_for_input(
@@ -505,7 +505,7 @@ mod tests {
             ],
         );
         assert_eq!(result.len(), 1);
-        assert_eq!(pending, false);
+        assert!(!pending);
     }
 
     #[test]
@@ -516,7 +516,7 @@ mod tests {
         ];
 
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         // Ensure `space` results in pending input on the workspace, but not editor
         let (result, pending) = keymap.bindings_for_input(
@@ -527,7 +527,7 @@ mod tests {
             ],
         );
         assert_eq!(result.len(), 0);
-        assert_eq!(pending, false);
+        assert!(!pending);
     }
 
     #[test]
@@ -537,7 +537,7 @@ mod tests {
             KeyBinding::new("ctrl-x 0", ActionAlpha, Some("Workspace")),
         ];
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         let matched = keymap.bindings_for_input(
             &[Keystroke::parse("ctrl-x")].map(Result::unwrap),
@@ -560,7 +560,7 @@ mod tests {
             KeyBinding::new("ctrl-x 0", NoAction, Some("Workspace")),
         ];
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         let matched = keymap.bindings_for_input(
             &[Keystroke::parse("ctrl-x")].map(Result::unwrap),
@@ -579,7 +579,7 @@ mod tests {
             KeyBinding::new("ctrl-x 0", NoAction, Some("vim_mode == normal")),
         ];
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         let matched = keymap.bindings_for_input(
             &[Keystroke::parse("ctrl-x")].map(Result::unwrap),
@@ -602,7 +602,7 @@ mod tests {
             KeyBinding::new("ctrl-x", ActionBeta, Some("vim_mode == normal")),
         ];
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         let matched = keymap.bindings_for_input(
             &[Keystroke::parse("ctrl-x")].map(Result::unwrap),
@@ -629,7 +629,7 @@ mod tests {
         ];
 
         let mut keymap = Keymap::default();
-        keymap.add_bindings(bindings.clone());
+        keymap.add_bindings(bindings);
 
         assert_bindings(&keymap, &ActionAlpha {}, &["ctrl-a"]);
         assert_bindings(&keymap, &ActionBeta {}, &[]);
diff --git a/crates/gpui/src/keymap/binding.rs b/crates/gpui/src/keymap/binding.rs
index 1d3f612c5b..729498d153 100644
--- a/crates/gpui/src/keymap/binding.rs
+++ b/crates/gpui/src/keymap/binding.rs
@@ -30,11 +30,8 @@ impl Clone for KeyBinding {
 impl KeyBinding {
     /// Construct a new keybinding from the given data. Panics on parse error.
     pub fn new<A: Action>(keystrokes: &str, action: A, context: Option<&str>) -> Self {
-        let context_predicate = if let Some(context) = context {
-            Some(KeyBindingContextPredicate::parse(context).unwrap().into())
-        } else {
-            None
-        };
+        let context_predicate =
+            context.map(|context| KeyBindingContextPredicate::parse(context).unwrap().into());
         Self::load(keystrokes, Box::new(action), context_predicate, None, None).unwrap()
     }
 
@@ -53,10 +50,10 @@ impl KeyBinding {
 
         if let Some(equivalents) = key_equivalents {
             for keystroke in keystrokes.iter_mut() {
-                if keystroke.key.chars().count() == 1 {
-                    if let Some(key) = equivalents.get(&keystroke.key.chars().next().unwrap()) {
-                        keystroke.key = key.to_string();
-                    }
+                if keystroke.key.chars().count() == 1
+                    && let Some(key) = equivalents.get(&keystroke.key.chars().next().unwrap())
+                {
+                    keystroke.key = key.to_string();
                 }
             }
         }
diff --git a/crates/gpui/src/keymap/context.rs b/crates/gpui/src/keymap/context.rs
index f4b878ae77..960bd1752f 100644
--- a/crates/gpui/src/keymap/context.rs
+++ b/crates/gpui/src/keymap/context.rs
@@ -287,7 +287,7 @@ impl KeyBindingContextPredicate {
                         return false;
                     }
                 }
-                return true;
+                true
             }
             // Workspace > Pane > Editor
             //
@@ -305,7 +305,7 @@ impl KeyBindingContextPredicate {
                         return true;
                     }
                 }
-                return false;
+                false
             }
             Self::And(left, right) => {
                 left.eval_inner(contexts, all_contexts) && right.eval_inner(contexts, all_contexts)
@@ -461,6 +461,8 @@ fn skip_whitespace(source: &str) -> &str {
 
 #[cfg(test)]
 mod tests {
+    use core::slice;
+
     use super::*;
     use crate as gpui;
     use KeyBindingContextPredicate::*;
@@ -666,20 +668,16 @@ mod tests {
         let contexts = vec![other_context.clone(), child_context.clone()];
         assert!(!predicate.eval(&contexts));
 
-        let contexts = vec![
-            parent_context.clone(),
-            other_context.clone(),
-            child_context.clone(),
-        ];
+        let contexts = vec![parent_context.clone(), other_context, child_context.clone()];
         assert!(predicate.eval(&contexts));
 
         assert!(!predicate.eval(&[]));
-        assert!(!predicate.eval(&[child_context.clone()]));
+        assert!(!predicate.eval(slice::from_ref(&child_context)));
         assert!(!predicate.eval(&[parent_context]));
 
         let zany_predicate = KeyBindingContextPredicate::parse("child > child").unwrap();
-        assert!(!zany_predicate.eval(&[child_context.clone()]));
-        assert!(zany_predicate.eval(&[child_context.clone(), child_context.clone()]));
+        assert!(!zany_predicate.eval(slice::from_ref(&child_context)));
+        assert!(zany_predicate.eval(&[child_context.clone(), child_context]));
     }
 
     #[test]
@@ -690,13 +688,13 @@ mod tests {
         let parent_context = KeyContext::try_from("parent").unwrap();
         let child_context = KeyContext::try_from("child").unwrap();
 
-        assert!(not_predicate.eval(&[workspace_context.clone()]));
-        assert!(!not_predicate.eval(&[editor_context.clone()]));
+        assert!(not_predicate.eval(slice::from_ref(&workspace_context)));
+        assert!(!not_predicate.eval(slice::from_ref(&editor_context)));
         assert!(!not_predicate.eval(&[editor_context.clone(), workspace_context.clone()]));
         assert!(!not_predicate.eval(&[workspace_context.clone(), editor_context.clone()]));
 
         let complex_not = KeyBindingContextPredicate::parse("!editor && workspace").unwrap();
-        assert!(complex_not.eval(&[workspace_context.clone()]));
+        assert!(complex_not.eval(slice::from_ref(&workspace_context)));
         assert!(!complex_not.eval(&[editor_context.clone(), workspace_context.clone()]));
 
         let not_mode_predicate = KeyBindingContextPredicate::parse("!(mode == full)").unwrap();
@@ -709,18 +707,18 @@ mod tests {
         assert!(not_mode_predicate.eval(&[other_mode_context]));
 
         let not_descendant = KeyBindingContextPredicate::parse("!(parent > child)").unwrap();
-        assert!(not_descendant.eval(&[parent_context.clone()]));
-        assert!(not_descendant.eval(&[child_context.clone()]));
+        assert!(not_descendant.eval(slice::from_ref(&parent_context)));
+        assert!(not_descendant.eval(slice::from_ref(&child_context)));
         assert!(!not_descendant.eval(&[parent_context.clone(), child_context.clone()]));
 
         let not_descendant = KeyBindingContextPredicate::parse("parent > !child").unwrap();
-        assert!(!not_descendant.eval(&[parent_context.clone()]));
-        assert!(!not_descendant.eval(&[child_context.clone()]));
-        assert!(!not_descendant.eval(&[parent_context.clone(), child_context.clone()]));
+        assert!(!not_descendant.eval(slice::from_ref(&parent_context)));
+        assert!(!not_descendant.eval(slice::from_ref(&child_context)));
+        assert!(!not_descendant.eval(&[parent_context, child_context]));
 
         let double_not = KeyBindingContextPredicate::parse("!!editor").unwrap();
-        assert!(double_not.eval(&[editor_context.clone()]));
-        assert!(!double_not.eval(&[workspace_context.clone()]));
+        assert!(double_not.eval(slice::from_ref(&editor_context)));
+        assert!(!double_not.eval(slice::from_ref(&workspace_context)));
 
         // Test complex descendant cases
         let workspace_context = KeyContext::try_from("Workspace").unwrap();
@@ -754,9 +752,9 @@ mod tests {
 
         // !Workspace - shouldn't match when Workspace is in the context
         let not_workspace = KeyBindingContextPredicate::parse("!Workspace").unwrap();
-        assert!(!not_workspace.eval(&[workspace_context.clone()]));
-        assert!(not_workspace.eval(&[pane_context.clone()]));
-        assert!(not_workspace.eval(&[editor_context.clone()]));
+        assert!(!not_workspace.eval(slice::from_ref(&workspace_context)));
+        assert!(not_workspace.eval(slice::from_ref(&pane_context)));
+        assert!(not_workspace.eval(slice::from_ref(&editor_context)));
         assert!(!not_workspace.eval(&workspace_pane_editor));
     }
 }
diff --git a/crates/gpui/src/path_builder.rs b/crates/gpui/src/path_builder.rs
index 6c8cfddd52..38903ea588 100644
--- a/crates/gpui/src/path_builder.rs
+++ b/crates/gpui/src/path_builder.rs
@@ -278,7 +278,7 @@ impl PathBuilder {
         options: &StrokeOptions,
     ) -> Result<Path<Pixels>, Error> {
         let path = if let Some(dash_array) = dash_array {
-            let measurements = lyon::algorithms::measure::PathMeasurements::from_path(&path, 0.01);
+            let measurements = lyon::algorithms::measure::PathMeasurements::from_path(path, 0.01);
             let mut sampler = measurements
                 .create_sampler(path, lyon::algorithms::measure::SampleType::Normalized);
             let mut builder = lyon::path::Path::builder();
diff --git a/crates/gpui/src/platform.rs b/crates/gpui/src/platform.rs
index b495d70dfd..4d2feeaf1d 100644
--- a/crates/gpui/src/platform.rs
+++ b/crates/gpui/src/platform.rs
@@ -220,7 +220,11 @@ pub(crate) trait Platform: 'static {
         &self,
         options: PathPromptOptions,
     ) -> oneshot::Receiver<Result<Option<Vec<PathBuf>>>>;
-    fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Result<Option<PathBuf>>>;
+    fn prompt_for_new_path(
+        &self,
+        directory: &Path,
+        suggested_name: Option<&str>,
+    ) -> oneshot::Receiver<Result<Option<PathBuf>>>;
     fn can_select_mixed_files_and_dirs(&self) -> bool;
     fn reveal_path(&self, path: &Path);
     fn open_with_system(&self, path: &Path);
@@ -588,7 +592,7 @@ impl PlatformTextSystem for NoopTextSystem {
     }
 
     fn font_id(&self, _descriptor: &Font) -> Result<FontId> {
-        return Ok(FontId(1));
+        Ok(FontId(1))
     }
 
     fn font_metrics(&self, _font_id: FontId) -> FontMetrics {
@@ -669,7 +673,7 @@ impl PlatformTextSystem for NoopTextSystem {
             }
         }
         let mut runs = Vec::default();
-        if glyphs.len() > 0 {
+        if !glyphs.is_empty() {
             runs.push(ShapedRun {
                 font_id: FontId(0),
                 glyphs,
@@ -1274,7 +1278,7 @@ pub enum WindowBackgroundAppearance {
 }
 
 /// The options that can be configured for a file dialog prompt
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Debug)]
 pub struct PathPromptOptions {
     /// Should the prompt allow files to be selected?
     pub files: bool,
@@ -1282,6 +1286,8 @@ pub struct PathPromptOptions {
     pub directories: bool,
     /// Should the prompt allow multiple files to be selected?
     pub multiple: bool,
+    /// The prompt to show to a user when selecting a path
+    pub prompt: Option<SharedString>,
 }
 
 /// What kind of prompt styling to show
@@ -1502,7 +1508,7 @@ impl ClipboardItem {
 
         for entry in self.entries.iter() {
             if let ClipboardEntry::String(ClipboardString { text, metadata: _ }) = entry {
-                answer.push_str(&text);
+                answer.push_str(text);
                 any_entries = true;
             }
         }
diff --git a/crates/gpui/src/platform/app_menu.rs b/crates/gpui/src/platform/app_menu.rs
index 2815cbdd7f..4069fee726 100644
--- a/crates/gpui/src/platform/app_menu.rs
+++ b/crates/gpui/src/platform/app_menu.rs
@@ -20,6 +20,34 @@ impl Menu {
     }
 }
 
+/// OS menus are menus that are recognized by the operating system
+/// This allows the operating system to provide specialized items for
+/// these menus
+pub struct OsMenu {
+    /// The name of the menu
+    pub name: SharedString,
+
+    /// The type of menu
+    pub menu_type: SystemMenuType,
+}
+
+impl OsMenu {
+    /// Create an OwnedOsMenu from this OsMenu
+    pub fn owned(self) -> OwnedOsMenu {
+        OwnedOsMenu {
+            name: self.name.to_string().into(),
+            menu_type: self.menu_type,
+        }
+    }
+}
+
+/// The type of system menu
+#[derive(Copy, Clone, Eq, PartialEq)]
+pub enum SystemMenuType {
+    /// The 'Services' menu in the Application menu on macOS
+    Services,
+}
+
 /// The different kinds of items that can be in a menu
 pub enum MenuItem {
     /// A separator between items
@@ -28,6 +56,9 @@ pub enum MenuItem {
     /// A submenu
     Submenu(Menu),
 
+    /// A menu, managed by the system (for example, the Services menu on macOS)
+    SystemMenu(OsMenu),
+
     /// An action that can be performed
     Action {
         /// The name of this menu item
@@ -53,6 +84,14 @@ impl MenuItem {
         Self::Submenu(menu)
     }
 
+    /// Creates a new submenu that is populated by the OS
+    pub fn os_submenu(name: impl Into<SharedString>, menu_type: SystemMenuType) -> Self {
+        Self::SystemMenu(OsMenu {
+            name: name.into(),
+            menu_type,
+        })
+    }
+
     /// Creates a new menu item that invokes an action
     pub fn action(name: impl Into<SharedString>, action: impl Action) -> Self {
         Self::Action {
@@ -89,10 +128,23 @@ impl MenuItem {
                 action,
                 os_action,
             },
+            MenuItem::SystemMenu(os_menu) => OwnedMenuItem::SystemMenu(os_menu.owned()),
         }
     }
 }
 
+/// OS menus are menus that are recognized by the operating system
+/// This allows the operating system to provide specialized items for
+/// these menus
+#[derive(Clone)]
+pub struct OwnedOsMenu {
+    /// The name of the menu
+    pub name: SharedString,
+
+    /// The type of menu
+    pub menu_type: SystemMenuType,
+}
+
 /// A menu of the application, either a main menu or a submenu
 #[derive(Clone)]
 pub struct OwnedMenu {
@@ -111,6 +163,9 @@ pub enum OwnedMenuItem {
     /// A submenu
     Submenu(OwnedMenu),
 
+    /// A menu, managed by the system (for example, the Services menu on macOS)
+    SystemMenu(OwnedOsMenu),
+
     /// An action that can be performed
     Action {
         /// The name of this menu item
@@ -139,6 +194,7 @@ impl Clone for OwnedMenuItem {
                 action: action.boxed_clone(),
                 os_action: *os_action,
             },
+            OwnedMenuItem::SystemMenu(os_menu) => OwnedMenuItem::SystemMenu(os_menu.clone()),
         }
     }
 }
diff --git a/crates/gpui/src/platform/blade/blade_context.rs b/crates/gpui/src/platform/blade/blade_context.rs
index 48872f1619..12c68a1e70 100644
--- a/crates/gpui/src/platform/blade/blade_context.rs
+++ b/crates/gpui/src/platform/blade/blade_context.rs
@@ -49,7 +49,7 @@ fn parse_pci_id(id: &str) -> anyhow::Result<u32> {
         "Expected a 4 digit PCI ID in hexadecimal format"
     );
 
-    return u32::from_str_radix(id, 16).context("parsing PCI ID as hex");
+    u32::from_str_radix(id, 16).context("parsing PCI ID as hex")
 }
 
 #[cfg(test)]
diff --git a/crates/gpui/src/platform/blade/blade_renderer.rs b/crates/gpui/src/platform/blade/blade_renderer.rs
index 2e18d2be22..cc1df7748b 100644
--- a/crates/gpui/src/platform/blade/blade_renderer.rs
+++ b/crates/gpui/src/platform/blade/blade_renderer.rs
@@ -434,24 +434,24 @@ impl BladeRenderer {
     }
 
     fn wait_for_gpu(&mut self) {
-        if let Some(last_sp) = self.last_sync_point.take() {
-            if !self.gpu.wait_for(&last_sp, MAX_FRAME_TIME_MS) {
-                log::error!("GPU hung");
-                #[cfg(target_os = "linux")]
-                if self.gpu.device_information().driver_name == "radv" {
-                    log::error!(
-                        "there's a known bug with amdgpu/radv, try setting ZED_PATH_SAMPLE_COUNT=0 as a workaround"
-                    );
-                    log::error!(
-                        "if that helps you're running into https://github.com/zed-industries/zed/issues/26143"
-                    );
-                }
+        if let Some(last_sp) = self.last_sync_point.take()
+            && !self.gpu.wait_for(&last_sp, MAX_FRAME_TIME_MS)
+        {
+            log::error!("GPU hung");
+            #[cfg(target_os = "linux")]
+            if self.gpu.device_information().driver_name == "radv" {
                 log::error!(
-                    "your device information is: {:?}",
-                    self.gpu.device_information()
+                    "there's a known bug with amdgpu/radv, try setting ZED_PATH_SAMPLE_COUNT=0 as a workaround"
+                );
+                log::error!(
+                    "if that helps you're running into https://github.com/zed-industries/zed/issues/26143"
                 );
-                while !self.gpu.wait_for(&last_sp, MAX_FRAME_TIME_MS) {}
             }
+            log::error!(
+                "your device information is: {:?}",
+                self.gpu.device_information()
+            );
+            while !self.gpu.wait_for(&last_sp, MAX_FRAME_TIME_MS) {}
         }
     }
 
@@ -606,7 +606,7 @@ impl BladeRenderer {
                     xy_position: v.xy_position,
                     st_position: v.st_position,
                     color: path.color,
-                    bounds: path.bounds.intersect(&path.content_mask.bounds),
+                    bounds: path.clipped_bounds(),
                 }));
             }
             let vertex_buf = unsafe { self.instance_belt.alloc_typed(&vertices, &self.gpu) };
@@ -735,13 +735,13 @@ impl BladeRenderer {
                         paths
                             .iter()
                             .map(|path| PathSprite {
-                                bounds: path.bounds,
+                                bounds: path.clipped_bounds(),
                             })
                             .collect()
                     } else {
-                        let mut bounds = first_path.bounds;
+                        let mut bounds = first_path.clipped_bounds();
                         for path in paths.iter().skip(1) {
-                            bounds = bounds.union(&path.bounds);
+                            bounds = bounds.union(&path.clipped_bounds());
                         }
                         vec![PathSprite { bounds }]
                     };
diff --git a/crates/gpui/src/platform/blade/shaders.wgsl b/crates/gpui/src/platform/blade/shaders.wgsl
index b1ffb1812e..95980b54fe 100644
--- a/crates/gpui/src/platform/blade/shaders.wgsl
+++ b/crates/gpui/src/platform/blade/shaders.wgsl
@@ -1057,6 +1057,9 @@ fn vs_underline(@builtin(vertex_index) vertex_id: u32, @builtin(instance_index)
 
 @fragment
 fn fs_underline(input: UnderlineVarying) -> @location(0) vec4<f32> {
+    const WAVE_FREQUENCY: f32 = 2.0;
+    const WAVE_HEIGHT_RATIO: f32 = 0.8;
+
     // Alpha clip first, since we don't have `clip_distance`.
     if (any(input.clip_distances < vec4<f32>(0.0))) {
         return vec4<f32>(0.0);
@@ -1069,9 +1072,11 @@ fn fs_underline(input: UnderlineVarying) -> @location(0) vec4<f32> {
     }
 
     let half_thickness = underline.thickness * 0.5;
+
     let st = (input.position.xy - underline.bounds.origin) / underline.bounds.size.y - vec2<f32>(0.0, 0.5);
-    let frequency = M_PI_F * 3.0 * underline.thickness / 3.0;
-    let amplitude = 1.0 / (4.0 * underline.thickness);
+    let frequency = M_PI_F * WAVE_FREQUENCY * underline.thickness / underline.bounds.size.y;
+    let amplitude = (underline.thickness * WAVE_HEIGHT_RATIO) / underline.bounds.size.y;
+
     let sine = sin(st.x * frequency) * amplitude;
     let dSine = cos(st.x * frequency) * amplitude * frequency;
     let distance = (st.y - sine) / sqrt(1.0 + dSine * dSine);
diff --git a/crates/gpui/src/platform/linux/platform.rs b/crates/gpui/src/platform/linux/platform.rs
index fe6a36baa8..3fb1ef4572 100644
--- a/crates/gpui/src/platform/linux/platform.rs
+++ b/crates/gpui/src/platform/linux/platform.rs
@@ -108,13 +108,13 @@ impl LinuxCommon {
 
         let callbacks = PlatformHandlers::default();
 
-        let dispatcher = Arc::new(LinuxDispatcher::new(main_sender.clone()));
+        let dispatcher = Arc::new(LinuxDispatcher::new(main_sender));
 
         let background_executor = BackgroundExecutor::new(dispatcher.clone());
 
         let common = LinuxCommon {
             background_executor,
-            foreground_executor: ForegroundExecutor::new(dispatcher.clone()),
+            foreground_executor: ForegroundExecutor::new(dispatcher),
             text_system,
             appearance: WindowAppearance::Light,
             auto_hide_scrollbars: false,
@@ -294,6 +294,7 @@ impl<P: LinuxClient + 'static> Platform for P {
                 let request = match ashpd::desktop::file_chooser::OpenFileRequest::default()
                     .modal(true)
                     .title(title)
+                    .accept_label(options.prompt.as_ref().map(crate::SharedString::as_str))
                     .multiple(options.multiple)
                     .directory(options.directories)
                     .send()
@@ -327,26 +328,35 @@ impl<P: LinuxClient + 'static> Platform for P {
         done_rx
     }
 
-    fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Result<Option<PathBuf>>> {
+    fn prompt_for_new_path(
+        &self,
+        directory: &Path,
+        suggested_name: Option<&str>,
+    ) -> oneshot::Receiver<Result<Option<PathBuf>>> {
         let (done_tx, done_rx) = oneshot::channel();
 
         #[cfg(not(any(feature = "wayland", feature = "x11")))]
-        let _ = (done_tx.send(Ok(None)), directory);
+        let _ = (done_tx.send(Ok(None)), directory, suggested_name);
 
         #[cfg(any(feature = "wayland", feature = "x11"))]
         self.foreground_executor()
             .spawn({
                 let directory = directory.to_owned();
+                let suggested_name = suggested_name.map(|s| s.to_owned());
 
                 async move {
-                    let request = match ashpd::desktop::file_chooser::SaveFileRequest::default()
-                        .modal(true)
-                        .title("Save File")
-                        .current_folder(directory)
-                        .expect("pathbuf should not be nul terminated")
-                        .send()
-                        .await
-                    {
+                    let mut request_builder =
+                        ashpd::desktop::file_chooser::SaveFileRequest::default()
+                            .modal(true)
+                            .title("Save File")
+                            .current_folder(directory)
+                            .expect("pathbuf should not be nul terminated");
+
+                    if let Some(suggested_name) = suggested_name {
+                        request_builder = request_builder.current_name(suggested_name.as_str());
+                    }
+
+                    let request = match request_builder.send().await {
                         Ok(request) => request,
                         Err(err) => {
                             let result = match err {
@@ -431,7 +441,7 @@ impl<P: LinuxClient + 'static> Platform for P {
     fn app_path(&self) -> Result<PathBuf> {
         // get the path of the executable of the current process
         let app_path = env::current_exe()?;
-        return Ok(app_path);
+        Ok(app_path)
     }
 
     fn set_menus(&self, menus: Vec<Menu>, _keymap: &Keymap) {
@@ -632,7 +642,7 @@ pub(super) fn get_xkb_compose_state(cx: &xkb::Context) -> Option<xkb::compose::S
     let mut state: Option<xkb::compose::State> = None;
     for locale in locales {
         if let Ok(table) =
-            xkb::compose::Table::new_from_locale(&cx, &locale, xkb::compose::COMPILE_NO_FLAGS)
+            xkb::compose::Table::new_from_locale(cx, &locale, xkb::compose::COMPILE_NO_FLAGS)
         {
             state = Some(xkb::compose::State::new(
                 &table,
@@ -657,7 +667,7 @@ pub(super) const DEFAULT_CURSOR_ICON_NAME: &str = "left_ptr";
 
 impl CursorStyle {
     #[cfg(any(feature = "wayland", feature = "x11"))]
-    pub(super) fn to_icon_names(&self) -> &'static [&'static str] {
+    pub(super) fn to_icon_names(self) -> &'static [&'static str] {
         // Based on cursor names from chromium:
         // https://github.com/chromium/chromium/blob/d3069cf9c973dc3627fa75f64085c6a86c8f41bf/ui/base/cursor/cursor_factory.cc#L113
         match self {
@@ -980,21 +990,18 @@ mod tests {
     #[test]
     fn test_is_within_click_distance() {
         let zero = Point::new(px(0.0), px(0.0));
-        assert_eq!(
-            is_within_click_distance(zero, Point::new(px(5.0), px(5.0))),
-            true
-        );
-        assert_eq!(
-            is_within_click_distance(zero, Point::new(px(-4.9), px(5.0))),
-            true
-        );
-        assert_eq!(
-            is_within_click_distance(Point::new(px(3.0), px(2.0)), Point::new(px(-2.0), px(-2.0))),
-            true
-        );
-        assert_eq!(
-            is_within_click_distance(zero, Point::new(px(5.0), px(5.1))),
-            false
-        );
+        assert!(is_within_click_distance(zero, Point::new(px(5.0), px(5.0))));
+        assert!(is_within_click_distance(
+            zero,
+            Point::new(px(-4.9), px(5.0))
+        ));
+        assert!(is_within_click_distance(
+            Point::new(px(3.0), px(2.0)),
+            Point::new(px(-2.0), px(-2.0))
+        ));
+        assert!(!is_within_click_distance(
+            zero,
+            Point::new(px(5.0), px(5.1))
+        ),);
     }
 }
diff --git a/crates/gpui/src/platform/linux/text_system.rs b/crates/gpui/src/platform/linux/text_system.rs
index e6f6e9a680..f66a2e71d4 100644
--- a/crates/gpui/src/platform/linux/text_system.rs
+++ b/crates/gpui/src/platform/linux/text_system.rs
@@ -213,11 +213,7 @@ impl CosmicTextSystemState {
         features: &FontFeatures,
     ) -> Result<SmallVec<[FontId; 4]>> {
         // TODO: Determine the proper system UI font.
-        let name = if name == ".SystemUIFont" {
-            "Zed Plex Sans"
-        } else {
-            name
-        };
+        let name = crate::text_system::font_name_with_fallbacks(name, "IBM Plex Sans");
 
         let families = self
             .font_system
diff --git a/crates/gpui/src/platform/linux/wayland.rs b/crates/gpui/src/platform/linux/wayland.rs
index cf73832b11..487bc9f38c 100644
--- a/crates/gpui/src/platform/linux/wayland.rs
+++ b/crates/gpui/src/platform/linux/wayland.rs
@@ -12,7 +12,7 @@ use wayland_protocols::wp::cursor_shape::v1::client::wp_cursor_shape_device_v1::
 use crate::CursorStyle;
 
 impl CursorStyle {
-    pub(super) fn to_shape(&self) -> Shape {
+    pub(super) fn to_shape(self) -> Shape {
         match self {
             CursorStyle::Arrow => Shape::Default,
             CursorStyle::IBeam => Shape::Text,
diff --git a/crates/gpui/src/platform/linux/wayland/client.rs b/crates/gpui/src/platform/linux/wayland/client.rs
index 72e4477ecf..189cfa1954 100644
--- a/crates/gpui/src/platform/linux/wayland/client.rs
+++ b/crates/gpui/src/platform/linux/wayland/client.rs
@@ -359,13 +359,13 @@ impl WaylandClientStatePtr {
             }
             changed
         };
-        if changed {
-            if let Some(mut callback) = state.common.callbacks.keyboard_layout_change.take() {
-                drop(state);
-                callback();
-                state = client.borrow_mut();
-                state.common.callbacks.keyboard_layout_change = Some(callback);
-            }
+
+        if changed && let Some(mut callback) = state.common.callbacks.keyboard_layout_change.take()
+        {
+            drop(state);
+            callback();
+            state = client.borrow_mut();
+            state.common.callbacks.keyboard_layout_change = Some(callback);
         }
     }
 
@@ -373,15 +373,15 @@ impl WaylandClientStatePtr {
         let mut client = self.get_client();
         let mut state = client.borrow_mut();
         let closed_window = state.windows.remove(surface_id).unwrap();
-        if let Some(window) = state.mouse_focused_window.take() {
-            if !window.ptr_eq(&closed_window) {
-                state.mouse_focused_window = Some(window);
-            }
+        if let Some(window) = state.mouse_focused_window.take()
+            && !window.ptr_eq(&closed_window)
+        {
+            state.mouse_focused_window = Some(window);
         }
-        if let Some(window) = state.keyboard_focused_window.take() {
-            if !window.ptr_eq(&closed_window) {
-                state.keyboard_focused_window = Some(window);
-            }
+        if let Some(window) = state.keyboard_focused_window.take()
+            && !window.ptr_eq(&closed_window)
+        {
+            state.keyboard_focused_window = Some(window);
         }
         if state.windows.is_empty() {
             state.common.signal.stop();
@@ -528,7 +528,7 @@ impl WaylandClient {
 
                             client.common.appearance = appearance;
 
-                            for (_, window) in &mut client.windows {
+                            for window in client.windows.values_mut() {
                                 window.set_appearance(appearance);
                             }
                         }
@@ -710,9 +710,7 @@ impl LinuxClient for WaylandClient {
     fn set_cursor_style(&self, style: CursorStyle) {
         let mut state = self.0.borrow_mut();
 
-        let need_update = state
-            .cursor_style
-            .map_or(true, |current_style| current_style != style);
+        let need_update = state.cursor_style != Some(style);
 
         if need_update {
             let serial = state.serial_tracker.get(SerialKind::MouseEnter);
@@ -951,11 +949,8 @@ impl Dispatch<WlCallback, ObjectId> for WaylandClientStatePtr {
         };
         drop(state);
 
-        match event {
-            wl_callback::Event::Done { .. } => {
-                window.frame();
-            }
-            _ => {}
+        if let wl_callback::Event::Done { .. } = event {
+            window.frame();
         }
     }
 }
@@ -1145,7 +1140,7 @@ impl Dispatch<wl_seat::WlSeat, ()> for WaylandClientStatePtr {
                     .globals
                     .text_input_manager
                     .as_ref()
-                    .map(|text_input_manager| text_input_manager.get_text_input(&seat, qh, ()));
+                    .map(|text_input_manager| text_input_manager.get_text_input(seat, qh, ()));
 
                 if let Some(wl_keyboard) = &state.wl_keyboard {
                     wl_keyboard.release();
@@ -1285,7 +1280,6 @@ impl Dispatch<wl_keyboard::WlKeyboard, ()> for WaylandClientStatePtr {
                 let Some(focused_window) = focused_window else {
                     return;
                 };
-                let focused_window = focused_window.clone();
 
                 let keymap_state = state.keymap_state.as_ref().unwrap();
                 let keycode = Keycode::from(key + MIN_KEYCODE);
@@ -1294,7 +1288,7 @@ impl Dispatch<wl_keyboard::WlKeyboard, ()> for WaylandClientStatePtr {
                 match key_state {
                     wl_keyboard::KeyState::Pressed if !keysym.is_modifier_key() => {
                         let mut keystroke =
-                            Keystroke::from_xkb(&keymap_state, state.modifiers, keycode);
+                            Keystroke::from_xkb(keymap_state, state.modifiers, keycode);
                         if let Some(mut compose) = state.compose_state.take() {
                             compose.feed(keysym);
                             match compose.status() {
@@ -1538,12 +1532,9 @@ impl Dispatch<wl_pointer::WlPointer, ()> for WaylandClientStatePtr {
                             cursor_shape_device.set_shape(serial, style.to_shape());
                         } else {
                             let scale = window.primary_output_scale();
-                            state.cursor.set_icon(
-                                &wl_pointer,
-                                serial,
-                                style.to_icon_names(),
-                                scale,
-                            );
+                            state
+                                .cursor
+                                .set_icon(wl_pointer, serial, style.to_icon_names(), scale);
                         }
                     }
                     drop(state);
@@ -1580,7 +1571,7 @@ impl Dispatch<wl_pointer::WlPointer, ()> for WaylandClientStatePtr {
                     if state
                         .keyboard_focused_window
                         .as_ref()
-                        .map_or(false, |keyboard_window| window.ptr_eq(&keyboard_window))
+                        .is_some_and(|keyboard_window| window.ptr_eq(keyboard_window))
                     {
                         state.enter_token = None;
                     }
@@ -1787,17 +1778,17 @@ impl Dispatch<wl_pointer::WlPointer, ()> for WaylandClientStatePtr {
                             drop(state);
                             window.handle_input(input);
                         }
-                    } else if let Some(discrete) = discrete {
-                        if let Some(window) = state.mouse_focused_window.clone() {
-                            let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
-                                position: state.mouse_location.unwrap(),
-                                delta: ScrollDelta::Lines(discrete),
-                                modifiers: state.modifiers,
-                                touch_phase: TouchPhase::Moved,
-                            });
-                            drop(state);
-                            window.handle_input(input);
-                        }
+                    } else if let Some(discrete) = discrete
+                        && let Some(window) = state.mouse_focused_window.clone()
+                    {
+                        let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
+                            position: state.mouse_location.unwrap(),
+                            delta: ScrollDelta::Lines(discrete),
+                            modifiers: state.modifiers,
+                            touch_phase: TouchPhase::Moved,
+                        });
+                        drop(state);
+                        window.handle_input(input);
                     }
                 }
             }
@@ -2019,25 +2010,22 @@ impl Dispatch<wl_data_offer::WlDataOffer, ()> for WaylandClientStatePtr {
         let client = this.get_client();
         let mut state = client.borrow_mut();
 
-        match event {
-            wl_data_offer::Event::Offer { mime_type } => {
-                // Drag and drop
-                if mime_type == FILE_LIST_MIME_TYPE {
-                    let serial = state.serial_tracker.get(SerialKind::DataDevice);
-                    let mime_type = mime_type.clone();
-                    data_offer.accept(serial, Some(mime_type));
-                }
-
-                // Clipboard
-                if let Some(offer) = state
-                    .data_offers
-                    .iter_mut()
-                    .find(|wrapper| wrapper.inner.id() == data_offer.id())
-                {
-                    offer.add_mime_type(mime_type);
-                }
+        if let wl_data_offer::Event::Offer { mime_type } = event {
+            // Drag and drop
+            if mime_type == FILE_LIST_MIME_TYPE {
+                let serial = state.serial_tracker.get(SerialKind::DataDevice);
+                let mime_type = mime_type.clone();
+                data_offer.accept(serial, Some(mime_type));
+            }
+
+            // Clipboard
+            if let Some(offer) = state
+                .data_offers
+                .iter_mut()
+                .find(|wrapper| wrapper.inner.id() == data_offer.id())
+            {
+                offer.add_mime_type(mime_type);
             }
-            _ => {}
         }
     }
 }
@@ -2118,13 +2106,10 @@ impl Dispatch<zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()>
         let client = this.get_client();
         let mut state = client.borrow_mut();
 
-        match event {
-            zwp_primary_selection_offer_v1::Event::Offer { mime_type } => {
-                if let Some(offer) = state.primary_data_offer.as_mut() {
-                    offer.add_mime_type(mime_type);
-                }
-            }
-            _ => {}
+        if let zwp_primary_selection_offer_v1::Event::Offer { mime_type } = event
+            && let Some(offer) = state.primary_data_offer.as_mut()
+        {
+            offer.add_mime_type(mime_type);
         }
     }
 }
diff --git a/crates/gpui/src/platform/linux/wayland/cursor.rs b/crates/gpui/src/platform/linux/wayland/cursor.rs
index 2a24d0e1ba..c7c9139dea 100644
--- a/crates/gpui/src/platform/linux/wayland/cursor.rs
+++ b/crates/gpui/src/platform/linux/wayland/cursor.rs
@@ -45,10 +45,11 @@ impl Cursor {
     }
 
     fn set_theme_internal(&mut self, theme_name: Option<String>) {
-        if let Some(loaded_theme) = self.loaded_theme.as_ref() {
-            if loaded_theme.name == theme_name && loaded_theme.scaled_size == self.scaled_size {
-                return;
-            }
+        if let Some(loaded_theme) = self.loaded_theme.as_ref()
+            && loaded_theme.name == theme_name
+            && loaded_theme.scaled_size == self.scaled_size
+        {
+            return;
         }
         let result = if let Some(theme_name) = theme_name.as_ref() {
             CursorTheme::load_from_name(
@@ -66,7 +67,7 @@ impl Cursor {
         {
             self.loaded_theme = Some(LoadedTheme {
                 theme,
-                name: theme_name.map(|name| name.to_string()),
+                name: theme_name,
                 scaled_size: self.scaled_size,
             });
         }
@@ -144,7 +145,7 @@ impl Cursor {
             hot_y as i32 / scale,
         );
 
-        self.surface.attach(Some(&buffer), 0, 0);
+        self.surface.attach(Some(buffer), 0, 0);
         self.surface.damage(0, 0, width as i32, height as i32);
         self.surface.commit();
     }
diff --git a/crates/gpui/src/platform/linux/wayland/window.rs b/crates/gpui/src/platform/linux/wayland/window.rs
index 2b2207e22c..7570c58c09 100644
--- a/crates/gpui/src/platform/linux/wayland/window.rs
+++ b/crates/gpui/src/platform/linux/wayland/window.rs
@@ -355,85 +355,82 @@ impl WaylandWindowStatePtr {
     }
 
     pub fn handle_xdg_surface_event(&self, event: xdg_surface::Event) {
-        match event {
-            xdg_surface::Event::Configure { serial } => {
-                {
-                    let mut state = self.state.borrow_mut();
-                    if let Some(window_controls) = state.in_progress_window_controls.take() {
-                        state.window_controls = window_controls;
-
-                        drop(state);
-                        let mut callbacks = self.callbacks.borrow_mut();
-                        if let Some(appearance_changed) = callbacks.appearance_changed.as_mut() {
-                            appearance_changed();
-                        }
-                    }
-                }
-                {
-                    let mut state = self.state.borrow_mut();
-
-                    if let Some(mut configure) = state.in_progress_configure.take() {
-                        let got_unmaximized = state.maximized && !configure.maximized;
-                        state.fullscreen = configure.fullscreen;
-                        state.maximized = configure.maximized;
-                        state.tiling = configure.tiling;
-                        // Limit interactive resizes to once per vblank
-                        if configure.resizing && state.resize_throttle {
-                            return;
-                        } else if configure.resizing {
-                            state.resize_throttle = true;
-                        }
-                        if !configure.fullscreen && !configure.maximized {
-                            configure.size = if got_unmaximized {
-                                Some(state.window_bounds.size)
-                            } else {
-                                compute_outer_size(state.inset(), configure.size, state.tiling)
-                            };
-                            if let Some(size) = configure.size {
-                                state.window_bounds = Bounds {
-                                    origin: Point::default(),
-                                    size,
-                                };
-                            }
-                        }
-                        drop(state);
-                        if let Some(size) = configure.size {
-                            self.resize(size);
-                        }
-                    }
-                }
+        if let xdg_surface::Event::Configure { serial } = event {
+            {
                 let mut state = self.state.borrow_mut();
-                state.xdg_surface.ack_configure(serial);
+                if let Some(window_controls) = state.in_progress_window_controls.take() {
+                    state.window_controls = window_controls;
 
-                let window_geometry = inset_by_tiling(
-                    state.bounds.map_origin(|_| px(0.0)),
-                    state.inset(),
-                    state.tiling,
-                )
-                .map(|v| v.0 as i32)
-                .map_size(|v| if v <= 0 { 1 } else { v });
-
-                state.xdg_surface.set_window_geometry(
-                    window_geometry.origin.x,
-                    window_geometry.origin.y,
-                    window_geometry.size.width,
-                    window_geometry.size.height,
-                );
-
-                let request_frame_callback = !state.acknowledged_first_configure;
-                if request_frame_callback {
-                    state.acknowledged_first_configure = true;
                     drop(state);
-                    self.frame();
+                    let mut callbacks = self.callbacks.borrow_mut();
+                    if let Some(appearance_changed) = callbacks.appearance_changed.as_mut() {
+                        appearance_changed();
+                    }
                 }
             }
-            _ => {}
+            {
+                let mut state = self.state.borrow_mut();
+
+                if let Some(mut configure) = state.in_progress_configure.take() {
+                    let got_unmaximized = state.maximized && !configure.maximized;
+                    state.fullscreen = configure.fullscreen;
+                    state.maximized = configure.maximized;
+                    state.tiling = configure.tiling;
+                    // Limit interactive resizes to once per vblank
+                    if configure.resizing && state.resize_throttle {
+                        return;
+                    } else if configure.resizing {
+                        state.resize_throttle = true;
+                    }
+                    if !configure.fullscreen && !configure.maximized {
+                        configure.size = if got_unmaximized {
+                            Some(state.window_bounds.size)
+                        } else {
+                            compute_outer_size(state.inset(), configure.size, state.tiling)
+                        };
+                        if let Some(size) = configure.size {
+                            state.window_bounds = Bounds {
+                                origin: Point::default(),
+                                size,
+                            };
+                        }
+                    }
+                    drop(state);
+                    if let Some(size) = configure.size {
+                        self.resize(size);
+                    }
+                }
+            }
+            let mut state = self.state.borrow_mut();
+            state.xdg_surface.ack_configure(serial);
+
+            let window_geometry = inset_by_tiling(
+                state.bounds.map_origin(|_| px(0.0)),
+                state.inset(),
+                state.tiling,
+            )
+            .map(|v| v.0 as i32)
+            .map_size(|v| if v <= 0 { 1 } else { v });
+
+            state.xdg_surface.set_window_geometry(
+                window_geometry.origin.x,
+                window_geometry.origin.y,
+                window_geometry.size.width,
+                window_geometry.size.height,
+            );
+
+            let request_frame_callback = !state.acknowledged_first_configure;
+            if request_frame_callback {
+                state.acknowledged_first_configure = true;
+                drop(state);
+                self.frame();
+            }
         }
     }
 
     pub fn handle_toplevel_decoration_event(&self, event: zxdg_toplevel_decoration_v1::Event) {
-        match event {
-            zxdg_toplevel_decoration_v1::Event::Configure { mode } => match mode {
+        if let zxdg_toplevel_decoration_v1::Event::Configure { mode } = event {
+            match mode {
                 WEnum::Value(zxdg_toplevel_decoration_v1::Mode::ServerSide) => {
                     self.state.borrow_mut().decorations = WindowDecorations::Server;
                     if let Some(mut appearance_changed) =
@@ -457,17 +454,13 @@ impl WaylandWindowStatePtr {
                 WEnum::Unknown(v) => {
                     log::warn!("Unknown decoration mode: {}", v);
                 }
-            },
-            _ => {}
+            }
         }
     }
 
     pub fn handle_fractional_scale_event(&self, event: wp_fractional_scale_v1::Event) {
-        match event {
-            wp_fractional_scale_v1::Event::PreferredScale { scale } => {
-                self.rescale(scale as f32 / 120.0);
-            }
-            _ => {}
+        if let wp_fractional_scale_v1::Event::PreferredScale { scale } = event {
+            self.rescale(scale as f32 / 120.0);
         }
     }
 
@@ -669,8 +662,8 @@ impl WaylandWindowStatePtr {
     pub fn set_size_and_scale(&self, size: Option<Size<Pixels>>, scale: Option<f32>) {
         let (size, scale) = {
             let mut state = self.state.borrow_mut();
-            if size.map_or(true, |size| size == state.bounds.size)
-                && scale.map_or(true, |scale| scale == state.scale)
+            if size.is_none_or(|size| size == state.bounds.size)
+                && scale.is_none_or(|scale| scale == state.scale)
             {
                 return;
             }
@@ -713,21 +706,20 @@ impl WaylandWindowStatePtr {
     }
 
     pub fn handle_input(&self, input: PlatformInput) {
-        if let Some(ref mut fun) = self.callbacks.borrow_mut().input {
-            if !fun(input.clone()).propagate {
-                return;
-            }
+        if let Some(ref mut fun) = self.callbacks.borrow_mut().input
+            && !fun(input.clone()).propagate
+        {
+            return;
         }
-        if let PlatformInput::KeyDown(event) = input {
-            if event.keystroke.modifiers.is_subset_of(&Modifiers::shift()) {
-                if let Some(key_char) = &event.keystroke.key_char {
-                    let mut state = self.state.borrow_mut();
-                    if let Some(mut input_handler) = state.input_handler.take() {
-                        drop(state);
-                        input_handler.replace_text_in_range(None, key_char);
-                        self.state.borrow_mut().input_handler = Some(input_handler);
-                    }
-                }
+        if let PlatformInput::KeyDown(event) = input
+            && event.keystroke.modifiers.is_subset_of(&Modifiers::shift())
+            && let Some(key_char) = &event.keystroke.key_char
+        {
+            let mut state = self.state.borrow_mut();
+            if let Some(mut input_handler) = state.input_handler.take() {
+                drop(state);
+                input_handler.replace_text_in_range(None, key_char);
+                self.state.borrow_mut().input_handler = Some(input_handler);
             }
         }
     }
@@ -1147,7 +1139,7 @@ fn update_window(mut state: RefMut<WaylandWindowState>) {
 }
 
 impl WindowDecorations {
-    fn to_xdg(&self) -> zxdg_toplevel_decoration_v1::Mode {
+    fn to_xdg(self) -> zxdg_toplevel_decoration_v1::Mode {
         match self {
             WindowDecorations::Client => zxdg_toplevel_decoration_v1::Mode::ClientSide,
             WindowDecorations::Server => zxdg_toplevel_decoration_v1::Mode::ServerSide,
@@ -1156,7 +1148,7 @@ impl WindowDecorations {
 }
 
 impl ResizeEdge {
-    fn to_xdg(&self) -> xdg_toplevel::ResizeEdge {
+    fn to_xdg(self) -> xdg_toplevel::ResizeEdge {
         match self {
             ResizeEdge::Top => xdg_toplevel::ResizeEdge::Top,
             ResizeEdge::TopRight => xdg_toplevel::ResizeEdge::TopRight,
diff --git a/crates/gpui/src/platform/linux/x11/client.rs b/crates/gpui/src/platform/linux/x11/client.rs
index 573e4addf7..9a43bd6470 100644
--- a/crates/gpui/src/platform/linux/x11/client.rs
+++ b/crates/gpui/src/platform/linux/x11/client.rs
@@ -232,15 +232,12 @@ impl X11ClientStatePtr {
         };
         let mut state = client.0.borrow_mut();
 
-        if let Some(window_ref) = state.windows.remove(&x_window) {
-            match window_ref.refresh_state {
-                Some(RefreshState::PeriodicRefresh {
-                    event_loop_token, ..
-                }) => {
-                    state.loop_handle.remove(event_loop_token);
-                }
-                _ => {}
-            }
+        if let Some(window_ref) = state.windows.remove(&x_window)
+            && let Some(RefreshState::PeriodicRefresh {
+                event_loop_token, ..
+            }) = window_ref.refresh_state
+        {
+            state.loop_handle.remove(event_loop_token);
         }
         if state.mouse_focused_window == Some(x_window) {
             state.mouse_focused_window = None;
@@ -459,7 +456,7 @@ impl X11Client {
                 move |event, _, client| match event {
                     XDPEvent::WindowAppearance(appearance) => {
                         client.with_common(|common| common.appearance = appearance);
-                        for (_, window) in &mut client.0.borrow_mut().windows {
+                        for window in client.0.borrow_mut().windows.values_mut() {
                             window.window.set_appearance(appearance);
                         }
                     }
@@ -565,10 +562,10 @@ impl X11Client {
                                     events.push(last_keymap_change_event);
                                 }
 
-                                if let Some(last_press) = last_key_press.as_ref() {
-                                    if last_press.detail == key_press.detail {
-                                        continue;
-                                    }
+                                if let Some(last_press) = last_key_press.as_ref()
+                                    && last_press.detail == key_press.detail
+                                {
+                                    continue;
                                 }
 
                                 if let Some(Event::KeyRelease(key_release)) =
@@ -642,13 +639,7 @@ impl X11Client {
                 let xim_connected = xim_handler.connected;
                 drop(state);
 
-                let xim_filtered = match ximc.filter_event(&event, &mut xim_handler) {
-                    Ok(handled) => handled,
-                    Err(err) => {
-                        log::error!("XIMClientError: {}", err);
-                        false
-                    }
-                };
+                let xim_filtered = ximc.filter_event(&event, &mut xim_handler);
                 let xim_callback_event = xim_handler.last_callback_event.take();
 
                 let mut state = self.0.borrow_mut();
@@ -659,14 +650,28 @@ impl X11Client {
                     self.handle_xim_callback_event(event);
                 }
 
-                if xim_filtered {
-                    continue;
-                }
-
-                if xim_connected {
-                    self.xim_handle_event(event);
-                } else {
-                    self.handle_event(event);
+                match xim_filtered {
+                    Ok(handled) => {
+                        if handled {
+                            continue;
+                        }
+                        if xim_connected {
+                            self.xim_handle_event(event);
+                        } else {
+                            self.handle_event(event);
+                        }
+                    }
+                    Err(err) => {
+                        // this might happen when xim server crashes on one of the events
+                        // we do lose 1-2 keys when crash happens since there is no reliable way to get that info
+                        // luckily, x11 sends us window not found error when xim server crashes upon further key press
+                        // hence we fall back to handle_event
+                        log::error!("XIMClientError: {}", err);
+                        let mut state = self.0.borrow_mut();
+                        state.take_xim();
+                        drop(state);
+                        self.handle_event(event);
+                    }
                 }
             }
         }
@@ -868,22 +873,19 @@ impl X11Client {
                 let Some(reply) = reply else {
                     return Some(());
                 };
-                match str::from_utf8(&reply.value) {
-                    Ok(file_list) => {
-                        let paths: SmallVec<[_; 2]> = file_list
-                            .lines()
-                            .filter_map(|path| Url::parse(path).log_err())
-                            .filter_map(|url| url.to_file_path().log_err())
-                            .collect();
-                        let input = PlatformInput::FileDrop(FileDropEvent::Entered {
-                            position: state.xdnd_state.position,
-                            paths: crate::ExternalPaths(paths),
-                        });
-                        drop(state);
-                        window.handle_input(input);
-                        self.0.borrow_mut().xdnd_state.retrieved = true;
-                    }
-                    Err(_) => {}
+                if let Ok(file_list) = str::from_utf8(&reply.value) {
+                    let paths: SmallVec<[_; 2]> = file_list
+                        .lines()
+                        .filter_map(|path| Url::parse(path).log_err())
+                        .filter_map(|url| url.to_file_path().log_err())
+                        .collect();
+                    let input = PlatformInput::FileDrop(FileDropEvent::Entered {
+                        position: state.xdnd_state.position,
+                        paths: crate::ExternalPaths(paths),
+                    });
+                    drop(state);
+                    window.handle_input(input);
+                    self.0.borrow_mut().xdnd_state.retrieved = true;
                 }
             }
             Event::ConfigureNotify(event) => {
@@ -1204,7 +1206,7 @@ impl X11Client {
 
                 state = self.0.borrow_mut();
                 if let Some(mut pointer) = state.pointer_device_states.get_mut(&event.sourceid) {
-                    let scroll_delta = get_scroll_delta_and_update_state(&mut pointer, &event);
+                    let scroll_delta = get_scroll_delta_and_update_state(pointer, &event);
                     drop(state);
                     if let Some(scroll_delta) = scroll_delta {
                         window.handle_input(PlatformInput::ScrollWheel(make_scroll_wheel_event(
@@ -1263,7 +1265,7 @@ impl X11Client {
             Event::XinputDeviceChanged(event) => {
                 let mut state = self.0.borrow_mut();
                 if let Some(mut pointer) = state.pointer_device_states.get_mut(&event.sourceid) {
-                    reset_pointer_device_scroll_positions(&mut pointer);
+                    reset_pointer_device_scroll_positions(pointer);
                 }
             }
             _ => {}
@@ -1327,7 +1329,7 @@ impl X11Client {
         state.composing = false;
         drop(state);
         if let Some(mut keystroke) = keystroke {
-            keystroke.key_char = Some(text.clone());
+            keystroke.key_char = Some(text);
             window.handle_input(PlatformInput::KeyDown(crate::KeyDownEvent {
                 keystroke,
                 is_held: false,
@@ -1578,11 +1580,11 @@ impl LinuxClient for X11Client {
 
     fn read_from_primary(&self) -> Option<crate::ClipboardItem> {
         let state = self.0.borrow_mut();
-        return state
+        state
             .clipboard
             .get_any(clipboard::ClipboardKind::Primary)
             .context("X11: Failed to read from clipboard (primary)")
-            .log_with_level(log::Level::Debug);
+            .log_with_level(log::Level::Debug)
     }
 
     fn read_from_clipboard(&self) -> Option<crate::ClipboardItem> {
@@ -1595,11 +1597,11 @@ impl LinuxClient for X11Client {
         {
             return state.clipboard_item.clone();
         }
-        return state
+        state
             .clipboard
             .get_any(clipboard::ClipboardKind::Clipboard)
             .context("X11: Failed to read from clipboard (clipboard)")
-            .log_with_level(log::Level::Debug);
+            .log_with_level(log::Level::Debug)
     }
 
     fn run(&self) {
@@ -2002,12 +2004,12 @@ fn check_gtk_frame_extents_supported(
 }
 
 fn xdnd_is_atom_supported(atom: u32, atoms: &XcbAtoms) -> bool {
-    return atom == atoms.TEXT
+    atom == atoms.TEXT
         || atom == atoms.STRING
         || atom == atoms.UTF8_STRING
         || atom == atoms.TEXT_PLAIN
         || atom == atoms.TEXT_PLAIN_UTF8
-        || atom == atoms.TextUriList;
+        || atom == atoms.TextUriList
 }
 
 fn xdnd_get_supported_atom(
@@ -2027,16 +2029,15 @@ fn xdnd_get_supported_atom(
         ),
     )
     .log_with_level(Level::Warn)
+        && let Some(atoms) = reply.value32()
     {
-        if let Some(atoms) = reply.value32() {
-            for atom in atoms {
-                if xdnd_is_atom_supported(atom, &supported_atoms) {
-                    return atom;
-                }
+        for atom in atoms {
+            if xdnd_is_atom_supported(atom, supported_atoms) {
+                return atom;
             }
         }
     }
-    return 0;
+    0
 }
 
 fn xdnd_send_finished(
@@ -2107,7 +2108,7 @@ fn current_pointer_device_states(
                     .classes
                     .iter()
                     .filter_map(|class| class.data.as_scroll())
-                    .map(|class| *class)
+                    .copied()
                     .rev()
                     .collect::<Vec<_>>();
                 let old_state = scroll_values_to_preserve.get(&info.deviceid);
@@ -2137,7 +2138,7 @@ fn current_pointer_device_states(
     if pointer_device_states.is_empty() {
         log::error!("Found no xinput mouse pointers.");
     }
-    return Some(pointer_device_states);
+    Some(pointer_device_states)
 }
 
 /// Returns true if the device is a pointer device. Does not include pointer device groups.
@@ -2403,11 +2404,13 @@ fn legacy_get_randr_scale_factor(connection: &XCBConnection, root: u32) -> Optio
     let mut crtc_infos: HashMap<randr::Crtc, randr::GetCrtcInfoReply> = HashMap::default();
     let mut valid_outputs: HashSet<randr::Output> = HashSet::new();
     for (crtc, cookie) in crtc_cookies {
-        if let Ok(reply) = cookie.reply() {
-            if reply.width > 0 && reply.height > 0 && !reply.outputs.is_empty() {
-                crtc_infos.insert(crtc, reply.clone());
-                valid_outputs.extend(&reply.outputs);
-            }
+        if let Ok(reply) = cookie.reply()
+            && reply.width > 0
+            && reply.height > 0
+            && !reply.outputs.is_empty()
+        {
+            crtc_infos.insert(crtc, reply.clone());
+            valid_outputs.extend(&reply.outputs);
         }
     }
 
diff --git a/crates/gpui/src/platform/linux/x11/clipboard.rs b/crates/gpui/src/platform/linux/x11/clipboard.rs
index 5d42eadaaf..a6f96d38c4 100644
--- a/crates/gpui/src/platform/linux/x11/clipboard.rs
+++ b/crates/gpui/src/platform/linux/x11/clipboard.rs
@@ -1078,11 +1078,11 @@ impl Clipboard {
         } else {
             String::from_utf8(result.bytes).map_err(|_| Error::ConversionFailure)?
         };
-        return Ok(ClipboardItem::new_string(text));
+        Ok(ClipboardItem::new_string(text))
     }
 
     pub fn is_owner(&self, selection: ClipboardKind) -> bool {
-        return self.inner.is_owner(selection).unwrap_or(false);
+        self.inner.is_owner(selection).unwrap_or(false)
     }
 }
 
@@ -1120,25 +1120,25 @@ impl Drop for Clipboard {
                 log::error!("Failed to flush the clipboard window. Error: {}", e);
                 return;
             }
-            if let Some(global_cb) = global_cb {
-                if let Err(e) = global_cb.server_handle.join() {
-                    // Let's try extracting the error message
-                    let message;
-                    if let Some(msg) = e.downcast_ref::<&'static str>() {
-                        message = Some((*msg).to_string());
-                    } else if let Some(msg) = e.downcast_ref::<String>() {
-                        message = Some(msg.clone());
-                    } else {
-                        message = None;
-                    }
-                    if let Some(message) = message {
-                        log::error!(
-                            "The clipboard server thread panicked. Panic message: '{}'",
-                            message,
-                        );
-                    } else {
-                        log::error!("The clipboard server thread panicked.");
-                    }
+            if let Some(global_cb) = global_cb
+                && let Err(e) = global_cb.server_handle.join()
+            {
+                // Let's try extracting the error message
+                let message;
+                if let Some(msg) = e.downcast_ref::<&'static str>() {
+                    message = Some((*msg).to_string());
+                } else if let Some(msg) = e.downcast_ref::<String>() {
+                    message = Some(msg.clone());
+                } else {
+                    message = None;
+                }
+                if let Some(message) = message {
+                    log::error!(
+                        "The clipboard server thread panicked. Panic message: '{}'",
+                        message,
+                    );
+                } else {
+                    log::error!("The clipboard server thread panicked.");
                 }
             }
         }
diff --git a/crates/gpui/src/platform/linux/x11/event.rs b/crates/gpui/src/platform/linux/x11/event.rs
index cd4cef24a3..17bcc908d3 100644
--- a/crates/gpui/src/platform/linux/x11/event.rs
+++ b/crates/gpui/src/platform/linux/x11/event.rs
@@ -73,8 +73,8 @@ pub(crate) fn get_valuator_axis_index(
     // valuator present in this event's axisvalues. Axisvalues is ordered from
     // lowest valuator number to highest, so counting bits before the 1 bit for
     // this valuator yields the index in axisvalues.
-    if bit_is_set_in_vec(&valuator_mask, valuator_number) {
-        Some(popcount_upto_bit_index(&valuator_mask, valuator_number) as usize)
+    if bit_is_set_in_vec(valuator_mask, valuator_number) {
+        Some(popcount_upto_bit_index(valuator_mask, valuator_number) as usize)
     } else {
         None
     }
@@ -104,7 +104,7 @@ fn bit_is_set_in_vec(bit_vec: &Vec<u32>, bit_index: u16) -> bool {
     let array_index = bit_index as usize / 32;
     bit_vec
         .get(array_index)
-        .map_or(false, |bits| bit_is_set(*bits, bit_index % 32))
+        .is_some_and(|bits| bit_is_set(*bits, bit_index % 32))
 }
 
 fn bit_is_set(bits: u32, bit_index: u16) -> bool {
diff --git a/crates/gpui/src/platform/linux/x11/window.rs b/crates/gpui/src/platform/linux/x11/window.rs
index 1a3c323c35..6af943b317 100644
--- a/crates/gpui/src/platform/linux/x11/window.rs
+++ b/crates/gpui/src/platform/linux/x11/window.rs
@@ -95,7 +95,7 @@ fn query_render_extent(
 }
 
 impl ResizeEdge {
-    fn to_moveresize(&self) -> u32 {
+    fn to_moveresize(self) -> u32 {
         match self {
             ResizeEdge::TopLeft => 0,
             ResizeEdge::Top => 1,
@@ -397,7 +397,7 @@ impl X11WindowState {
             .display_id
             .map_or(x_main_screen_index, |did| did.0 as usize);
 
-        let visual_set = find_visuals(&xcb, x_screen_index);
+        let visual_set = find_visuals(xcb, x_screen_index);
 
         let visual = match visual_set.transparent {
             Some(visual) => visual,
@@ -515,19 +515,19 @@ impl X11WindowState {
                     xcb.configure_window(x_window, &xproto::ConfigureWindowAux::new().x(x).y(y)),
                 )?;
             }
-            if let Some(titlebar) = params.titlebar {
-                if let Some(title) = titlebar.title {
-                    check_reply(
-                        || "X11 ChangeProperty8 on window title failed.",
-                        xcb.change_property8(
-                            xproto::PropMode::REPLACE,
-                            x_window,
-                            xproto::AtomEnum::WM_NAME,
-                            xproto::AtomEnum::STRING,
-                            title.as_bytes(),
-                        ),
-                    )?;
-                }
+            if let Some(titlebar) = params.titlebar
+                && let Some(title) = titlebar.title
+            {
+                check_reply(
+                    || "X11 ChangeProperty8 on window title failed.",
+                    xcb.change_property8(
+                        xproto::PropMode::REPLACE,
+                        x_window,
+                        xproto::AtomEnum::WM_NAME,
+                        xproto::AtomEnum::STRING,
+                        title.as_bytes(),
+                    ),
+                )?;
             }
             if params.kind == WindowKind::PopUp {
                 check_reply(
@@ -604,7 +604,7 @@ impl X11WindowState {
                 ),
             )?;
 
-            xcb_flush(&xcb);
+            xcb_flush(xcb);
 
             let renderer = {
                 let raw_window = RawWindow {
@@ -664,7 +664,7 @@ impl X11WindowState {
                 || "X11 DestroyWindow failed while cleaning it up after setup failure.",
                 xcb.destroy_window(x_window),
             )?;
-            xcb_flush(&xcb);
+            xcb_flush(xcb);
         }
 
         setup_result
@@ -956,10 +956,10 @@ impl X11WindowStatePtr {
     }
 
     pub fn handle_input(&self, input: PlatformInput) {
-        if let Some(ref mut fun) = self.callbacks.borrow_mut().input {
-            if !fun(input.clone()).propagate {
-                return;
-            }
+        if let Some(ref mut fun) = self.callbacks.borrow_mut().input
+            && !fun(input.clone()).propagate
+        {
+            return;
         }
         if let PlatformInput::KeyDown(event) = input {
             // only allow shift modifier when inserting text
@@ -1068,15 +1068,14 @@ impl X11WindowStatePtr {
         }
 
         let mut callbacks = self.callbacks.borrow_mut();
-        if let Some((content_size, scale_factor)) = resize_args {
-            if let Some(ref mut fun) = callbacks.resize {
-                fun(content_size, scale_factor)
-            }
+        if let Some((content_size, scale_factor)) = resize_args
+            && let Some(ref mut fun) = callbacks.resize
+        {
+            fun(content_size, scale_factor)
         }
-        if !is_resize {
-            if let Some(ref mut fun) = callbacks.moved {
-                fun();
-            }
+
+        if !is_resize && let Some(ref mut fun) = callbacks.moved {
+            fun();
         }
 
         Ok(())
diff --git a/crates/gpui/src/platform/mac/events.rs b/crates/gpui/src/platform/mac/events.rs
index 0dc361b9dc..938db4b762 100644
--- a/crates/gpui/src/platform/mac/events.rs
+++ b/crates/gpui/src/platform/mac/events.rs
@@ -311,9 +311,8 @@ unsafe fn parse_keystroke(native_event: id) -> Keystroke {
         let mut shift = modifiers.contains(NSEventModifierFlags::NSShiftKeyMask);
         let command = modifiers.contains(NSEventModifierFlags::NSCommandKeyMask);
         let function = modifiers.contains(NSEventModifierFlags::NSFunctionKeyMask)
-            && first_char.map_or(true, |ch| {
-                !(NSUpArrowFunctionKey..=NSModeSwitchFunctionKey).contains(&ch)
-            });
+            && first_char
+                .is_none_or(|ch| !(NSUpArrowFunctionKey..=NSModeSwitchFunctionKey).contains(&ch));
 
         #[allow(non_upper_case_globals)]
         let key = match first_char {
@@ -427,7 +426,7 @@ unsafe fn parse_keystroke(native_event: id) -> Keystroke {
                     key_char = Some(chars_for_modified_key(native_event.keyCode(), mods));
                 }
 
-                let mut key = if shift
+                if shift
                     && chars_ignoring_modifiers
                         .chars()
                         .all(|c| c.is_ascii_lowercase())
@@ -438,9 +437,7 @@ unsafe fn parse_keystroke(native_event: id) -> Keystroke {
                     chars_with_shift
                 } else {
                     chars_ignoring_modifiers
-                };
-
-                key
+                }
             }
         };
 
diff --git a/crates/gpui/src/platform/mac/metal_renderer.rs b/crates/gpui/src/platform/mac/metal_renderer.rs
index fb5cb852d6..9e5d6ec5ff 100644
--- a/crates/gpui/src/platform/mac/metal_renderer.rs
+++ b/crates/gpui/src/platform/mac/metal_renderer.rs
@@ -314,6 +314,15 @@ impl MetalRenderer {
     }
 
     fn update_path_intermediate_textures(&mut self, size: Size<DevicePixels>) {
+        // We are uncertain when this happens, but sometimes size can be 0 here. Most likely before
+        // the layout pass on window creation. Zero-sized texture creation causes SIGABRT.
+        // https://github.com/zed-industries/zed/issues/36229
+        if size.width.0 <= 0 || size.height.0 <= 0 {
+            self.path_intermediate_texture = None;
+            self.path_intermediate_msaa_texture = None;
+            return;
+        }
+
         let texture_descriptor = metal::TextureDescriptor::new();
         texture_descriptor.set_width(size.width.0 as u64);
         texture_descriptor.set_height(size.height.0 as u64);
@@ -323,7 +332,7 @@ impl MetalRenderer {
         self.path_intermediate_texture = Some(self.device.new_texture(&texture_descriptor));
 
         if self.path_sample_count > 1 {
-            let mut msaa_descriptor = texture_descriptor.clone();
+            let mut msaa_descriptor = texture_descriptor;
             msaa_descriptor.set_texture_type(metal::MTLTextureType::D2Multisample);
             msaa_descriptor.set_storage_mode(metal::MTLStorageMode::Private);
             msaa_descriptor.set_sample_count(self.path_sample_count as _);
@@ -436,14 +445,14 @@ impl MetalRenderer {
                     instance_buffer,
                     &mut instance_offset,
                     viewport_size,
-                    &command_encoder,
+                    command_encoder,
                 ),
                 PrimitiveBatch::Quads(quads) => self.draw_quads(
                     quads,
                     instance_buffer,
                     &mut instance_offset,
                     viewport_size,
-                    &command_encoder,
+                    command_encoder,
                 ),
                 PrimitiveBatch::Paths(paths) => {
                     command_encoder.end_encoding();
@@ -471,7 +480,7 @@ impl MetalRenderer {
                             instance_buffer,
                             &mut instance_offset,
                             viewport_size,
-                            &command_encoder,
+                            command_encoder,
                         )
                     } else {
                         false
@@ -482,7 +491,7 @@ impl MetalRenderer {
                     instance_buffer,
                     &mut instance_offset,
                     viewport_size,
-                    &command_encoder,
+                    command_encoder,
                 ),
                 PrimitiveBatch::MonochromeSprites {
                     texture_id,
@@ -493,7 +502,7 @@ impl MetalRenderer {
                     instance_buffer,
                     &mut instance_offset,
                     viewport_size,
-                    &command_encoder,
+                    command_encoder,
                 ),
                 PrimitiveBatch::PolychromeSprites {
                     texture_id,
@@ -504,14 +513,14 @@ impl MetalRenderer {
                     instance_buffer,
                     &mut instance_offset,
                     viewport_size,
-                    &command_encoder,
+                    command_encoder,
                 ),
                 PrimitiveBatch::Surfaces(surfaces) => self.draw_surfaces(
                     surfaces,
                     instance_buffer,
                     &mut instance_offset,
                     viewport_size,
-                    &command_encoder,
+                    command_encoder,
                 ),
             };
             if !ok {
@@ -754,7 +763,7 @@ impl MetalRenderer {
         viewport_size: Size<DevicePixels>,
         command_encoder: &metal::RenderCommandEncoderRef,
     ) -> bool {
-        let Some(ref first_path) = paths.first() else {
+        let Some(first_path) = paths.first() else {
             return true;
         };
 
@@ -791,13 +800,13 @@ impl MetalRenderer {
             sprites = paths
                 .iter()
                 .map(|path| PathSprite {
-                    bounds: path.bounds,
+                    bounds: path.clipped_bounds(),
                 })
                 .collect();
         } else {
-            let mut bounds = first_path.bounds;
+            let mut bounds = first_path.clipped_bounds();
             for path in paths.iter().skip(1) {
-                bounds = bounds.union(&path.bounds);
+                bounds = bounds.union(&path.clipped_bounds());
             }
             sprites = vec![PathSprite { bounds }];
         }
diff --git a/crates/gpui/src/platform/mac/open_type.rs b/crates/gpui/src/platform/mac/open_type.rs
index 2ae5e8f87a..37a29559fd 100644
--- a/crates/gpui/src/platform/mac/open_type.rs
+++ b/crates/gpui/src/platform/mac/open_type.rs
@@ -35,14 +35,14 @@ pub fn apply_features_and_fallbacks(
     unsafe {
         let mut keys = vec![kCTFontFeatureSettingsAttribute];
         let mut values = vec![generate_feature_array(features)];
-        if let Some(fallbacks) = fallbacks {
-            if !fallbacks.fallback_list().is_empty() {
-                keys.push(kCTFontCascadeListAttribute);
-                values.push(generate_fallback_array(
-                    fallbacks,
-                    font.native_font().as_concrete_TypeRef(),
-                ));
-            }
+        if let Some(fallbacks) = fallbacks
+            && !fallbacks.fallback_list().is_empty()
+        {
+            keys.push(kCTFontCascadeListAttribute);
+            values.push(generate_fallback_array(
+                fallbacks,
+                font.native_font().as_concrete_TypeRef(),
+            ));
         }
         let attrs = CFDictionaryCreate(
             kCFAllocatorDefault,
diff --git a/crates/gpui/src/platform/mac/platform.rs b/crates/gpui/src/platform/mac/platform.rs
index 1d2146cf73..832550dc46 100644
--- a/crates/gpui/src/platform/mac/platform.rs
+++ b/crates/gpui/src/platform/mac/platform.rs
@@ -7,9 +7,9 @@ use super::{
 use crate::{
     Action, AnyWindowHandle, BackgroundExecutor, ClipboardEntry, ClipboardItem, ClipboardString,
     CursorStyle, ForegroundExecutor, Image, ImageFormat, KeyContext, Keymap, MacDispatcher,
-    MacDisplay, MacWindow, Menu, MenuItem, OwnedMenu, PathPromptOptions, Platform, PlatformDisplay,
-    PlatformKeyboardLayout, PlatformTextSystem, PlatformWindow, Result, SemanticVersion, Task,
-    WindowAppearance, WindowParams, hash,
+    MacDisplay, MacWindow, Menu, MenuItem, OsMenu, OwnedMenu, PathPromptOptions, Platform,
+    PlatformDisplay, PlatformKeyboardLayout, PlatformTextSystem, PlatformWindow, Result,
+    SemanticVersion, SystemMenuType, Task, WindowAppearance, WindowParams, hash,
 };
 use anyhow::{Context as _, anyhow};
 use block::ConcreteBlock;
@@ -47,7 +47,7 @@ use objc::{
 use parking_lot::Mutex;
 use ptr::null_mut;
 use std::{
-    cell::{Cell, LazyCell},
+    cell::Cell,
     convert::TryInto,
     ffi::{CStr, OsStr, c_void},
     os::{raw::c_char, unix::ffi::OsStrExt},
@@ -56,7 +56,7 @@ use std::{
     ptr,
     rc::Rc,
     slice, str,
-    sync::Arc,
+    sync::{Arc, OnceLock},
 };
 use strum::IntoEnumIterator;
 use util::ResultExt;
@@ -296,18 +296,7 @@ impl MacPlatform {
         actions: &mut Vec<Box<dyn Action>>,
         keymap: &Keymap,
     ) -> id {
-        const DEFAULT_CONTEXT: LazyCell<Vec<KeyContext>> = LazyCell::new(|| {
-            let mut workspace_context = KeyContext::new_with_defaults();
-            workspace_context.add("Workspace");
-            let mut pane_context = KeyContext::new_with_defaults();
-            pane_context.add("Pane");
-            let mut editor_context = KeyContext::new_with_defaults();
-            editor_context.add("Editor");
-
-            pane_context.extend(&editor_context);
-            workspace_context.extend(&pane_context);
-            vec![workspace_context]
-        });
+        static DEFAULT_CONTEXT: OnceLock<Vec<KeyContext>> = OnceLock::new();
 
         unsafe {
             match item {
@@ -323,9 +312,20 @@ impl MacPlatform {
                     let keystrokes = keymap
                         .bindings_for_action(action.as_ref())
                         .find_or_first(|binding| {
-                            binding
-                                .predicate()
-                                .is_none_or(|predicate| predicate.eval(&DEFAULT_CONTEXT))
+                            binding.predicate().is_none_or(|predicate| {
+                                predicate.eval(DEFAULT_CONTEXT.get_or_init(|| {
+                                    let mut workspace_context = KeyContext::new_with_defaults();
+                                    workspace_context.add("Workspace");
+                                    let mut pane_context = KeyContext::new_with_defaults();
+                                    pane_context.add("Pane");
+                                    let mut editor_context = KeyContext::new_with_defaults();
+                                    editor_context.add("Editor");
+
+                                    pane_context.extend(&editor_context);
+                                    workspace_context.extend(&pane_context);
+                                    vec![workspace_context]
+                                }))
+                            })
                         })
                         .map(|binding| binding.keystrokes());
 
@@ -371,7 +371,7 @@ impl MacPlatform {
 
                             item = NSMenuItem::alloc(nil)
                                 .initWithTitle_action_keyEquivalent_(
-                                    ns_string(&name),
+                                    ns_string(name),
                                     selector,
                                     ns_string(key_to_native(&keystroke.key).as_ref()),
                                 )
@@ -383,7 +383,7 @@ impl MacPlatform {
                         } else {
                             item = NSMenuItem::alloc(nil)
                                 .initWithTitle_action_keyEquivalent_(
-                                    ns_string(&name),
+                                    ns_string(name),
                                     selector,
                                     ns_string(""),
                                 )
@@ -392,7 +392,7 @@ impl MacPlatform {
                     } else {
                         item = NSMenuItem::alloc(nil)
                             .initWithTitle_action_keyEquivalent_(
-                                ns_string(&name),
+                                ns_string(name),
                                 selector,
                                 ns_string(""),
                             )
@@ -412,10 +412,21 @@ impl MacPlatform {
                         submenu.addItem_(Self::create_menu_item(item, delegate, actions, keymap));
                     }
                     item.setSubmenu_(submenu);
-                    item.setTitle_(ns_string(&name));
-                    if name == "Services" {
-                        let app: id = msg_send![APP_CLASS, sharedApplication];
-                        app.setServicesMenu_(item);
+                    item.setTitle_(ns_string(name));
+                    item
+                }
+                MenuItem::SystemMenu(OsMenu { name, menu_type }) => {
+                    let item = NSMenuItem::new(nil).autorelease();
+                    let submenu = NSMenu::new(nil).autorelease();
+                    submenu.setDelegate_(delegate);
+                    item.setSubmenu_(submenu);
+                    item.setTitle_(ns_string(name));
+
+                    match menu_type {
+                        SystemMenuType::Services => {
+                            let app: id = msg_send![APP_CLASS, sharedApplication];
+                            app.setServicesMenu_(item);
+                        }
                     }
 
                     item
@@ -694,6 +705,7 @@ impl Platform for MacPlatform {
                     panel.setCanChooseDirectories_(options.directories.to_objc());
                     panel.setCanChooseFiles_(options.files.to_objc());
                     panel.setAllowsMultipleSelection_(options.multiple.to_objc());
+
                     panel.setCanCreateDirectories(true.to_objc());
                     panel.setResolvesAliases_(false.to_objc());
                     let done_tx = Cell::new(Some(done_tx));
@@ -703,10 +715,10 @@ impl Platform for MacPlatform {
                             let urls = panel.URLs();
                             for i in 0..urls.count() {
                                 let url = urls.objectAtIndex(i);
-                                if url.isFileURL() == YES {
-                                    if let Ok(path) = ns_url_to_path(url) {
-                                        result.push(path)
-                                    }
+                                if url.isFileURL() == YES
+                                    && let Ok(path) = ns_url_to_path(url)
+                                {
+                                    result.push(path)
                                 }
                             }
                             Some(result)
@@ -719,6 +731,11 @@ impl Platform for MacPlatform {
                         }
                     });
                     let block = block.copy();
+
+                    if let Some(prompt) = options.prompt {
+                        let _: () = msg_send![panel, setPrompt: ns_string(&prompt)];
+                    }
+
                     let _: () = msg_send![panel, beginWithCompletionHandler: block];
                 }
             })
@@ -726,8 +743,13 @@ impl Platform for MacPlatform {
         done_rx
     }
 
-    fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Result<Option<PathBuf>>> {
+    fn prompt_for_new_path(
+        &self,
+        directory: &Path,
+        suggested_name: Option<&str>,
+    ) -> oneshot::Receiver<Result<Option<PathBuf>>> {
         let directory = directory.to_owned();
+        let suggested_name = suggested_name.map(|s| s.to_owned());
         let (done_tx, done_rx) = oneshot::channel();
         self.foreground_executor()
             .spawn(async move {
@@ -737,6 +759,11 @@ impl Platform for MacPlatform {
                     let url = NSURL::fileURLWithPath_isDirectory_(nil, path, true.to_objc());
                     panel.setDirectoryURL(url);
 
+                    if let Some(suggested_name) = suggested_name {
+                        let name_string = ns_string(&suggested_name);
+                        let _: () = msg_send![panel, setNameFieldStringValue: name_string];
+                    }
+
                     let done_tx = Cell::new(Some(done_tx));
                     let block = ConcreteBlock::new(move |response: NSModalResponse| {
                         let mut result = None;
@@ -759,17 +786,18 @@ impl Platform for MacPlatform {
                                     // This is conditional on OS version because I'd like to get rid of it, so that
                                     // you can manually create a file called `a.sql.s`. That said it seems better
                                     // to break that use-case than breaking `a.sql`.
-                                    if chunks.len() == 3 && chunks[1].starts_with(chunks[2]) {
-                                        if Self::os_version() >= SemanticVersion::new(15, 0, 0) {
-                                            let new_filename = OsStr::from_bytes(
-                                                &filename.as_bytes()
-                                                    [..chunks[0].len() + 1 + chunks[1].len()],
-                                            )
-                                            .to_owned();
-                                            result.set_file_name(&new_filename);
-                                        }
+                                    if chunks.len() == 3
+                                        && chunks[1].starts_with(chunks[2])
+                                        && Self::os_version() >= SemanticVersion::new(15, 0, 0)
+                                    {
+                                        let new_filename = OsStr::from_bytes(
+                                            &filename.as_bytes()
+                                                [..chunks[0].len() + 1 + chunks[1].len()],
+                                        )
+                                        .to_owned();
+                                        result.set_file_name(&new_filename);
                                     }
-                                    return result;
+                                    result
                                 })
                             }
                         }
diff --git a/crates/gpui/src/platform/mac/shaders.metal b/crates/gpui/src/platform/mac/shaders.metal
index f9d5bdbf4c..83c978b853 100644
--- a/crates/gpui/src/platform/mac/shaders.metal
+++ b/crates/gpui/src/platform/mac/shaders.metal
@@ -567,15 +567,20 @@ vertex UnderlineVertexOutput underline_vertex(
 fragment float4 underline_fragment(UnderlineFragmentInput input [[stage_in]],
                                    constant Underline *underlines
                                    [[buffer(UnderlineInputIndex_Underlines)]]) {
+  const float WAVE_FREQUENCY = 2.0;
+  const float WAVE_HEIGHT_RATIO = 0.8;
+
   Underline underline = underlines[input.underline_id];
   if (underline.wavy) {
     float half_thickness = underline.thickness * 0.5;
     float2 origin =
         float2(underline.bounds.origin.x, underline.bounds.origin.y);
+
     float2 st = ((input.position.xy - origin) / underline.bounds.size.height) -
                 float2(0., 0.5);
-    float frequency = (M_PI_F * (3. * underline.thickness)) / 8.;
-    float amplitude = 1. / (2. * underline.thickness);
+    float frequency = (M_PI_F * WAVE_FREQUENCY * underline.thickness) / underline.bounds.size.height;
+    float amplitude = (underline.thickness * WAVE_HEIGHT_RATIO) / underline.bounds.size.height;
+
     float sine = sin(st.x * frequency) * amplitude;
     float dSine = cos(st.x * frequency) * amplitude * frequency;
     float distance = (st.y - sine) / sqrt(1. + dSine * dSine);
diff --git a/crates/gpui/src/platform/mac/text_system.rs b/crates/gpui/src/platform/mac/text_system.rs
index c45888bce7..72a0f2e565 100644
--- a/crates/gpui/src/platform/mac/text_system.rs
+++ b/crates/gpui/src/platform/mac/text_system.rs
@@ -211,11 +211,7 @@ impl MacTextSystemState {
         features: &FontFeatures,
         fallbacks: Option<&FontFallbacks>,
     ) -> Result<SmallVec<[FontId; 4]>> {
-        let name = if name == ".SystemUIFont" {
-            ".AppleSystemUIFont"
-        } else {
-            name
-        };
+        let name = crate::text_system::font_name_with_fallbacks(name, ".AppleSystemUIFont");
 
         let mut font_ids = SmallVec::new();
         let family = self
@@ -323,7 +319,7 @@ impl MacTextSystemState {
     fn is_emoji(&self, font_id: FontId) -> bool {
         self.postscript_names_by_font_id
             .get(&font_id)
-            .map_or(false, |postscript_name| {
+            .is_some_and(|postscript_name| {
                 postscript_name == "AppleColorEmoji" || postscript_name == ".AppleColorEmojiUI"
             })
     }
diff --git a/crates/gpui/src/platform/mac/window.rs b/crates/gpui/src/platform/mac/window.rs
index aedf131909..4425d4fe24 100644
--- a/crates/gpui/src/platform/mac/window.rs
+++ b/crates/gpui/src/platform/mac/window.rs
@@ -653,7 +653,7 @@ impl MacWindow {
                     .and_then(|titlebar| titlebar.traffic_light_position),
                 transparent_titlebar: titlebar
                     .as_ref()
-                    .map_or(true, |titlebar| titlebar.appears_transparent),
+                    .is_none_or(|titlebar| titlebar.appears_transparent),
                 previous_modifiers_changed_event: None,
                 keystroke_for_do_command: None,
                 do_command_handled: None,
@@ -688,7 +688,7 @@ impl MacWindow {
                 });
             }
 
-            if titlebar.map_or(true, |titlebar| titlebar.appears_transparent) {
+            if titlebar.is_none_or(|titlebar| titlebar.appears_transparent) {
                 native_window.setTitlebarAppearsTransparent_(YES);
                 native_window.setTitleVisibility_(NSWindowTitleVisibility::NSWindowTitleHidden);
             }
@@ -1090,7 +1090,7 @@ impl PlatformWindow for MacWindow {
                         NSView::removeFromSuperview(blur_view);
                         this.blurred_view = None;
                     }
-                } else if this.blurred_view == None {
+                } else if this.blurred_view.is_none() {
                     let content_view = this.native_window.contentView();
                     let frame = NSView::bounds(content_view);
                     let mut blur_view: id = msg_send![BLURRED_VIEW_CLASS, alloc];
@@ -1478,18 +1478,18 @@ extern "C" fn handle_key_event(this: &Object, native_event: id, key_equivalent:
                 return YES;
             }
 
-            if key_down_event.is_held {
-                if let Some(key_char) = key_down_event.keystroke.key_char.as_ref() {
-                    let handled = with_input_handler(&this, |input_handler| {
-                        if !input_handler.apple_press_and_hold_enabled() {
-                            input_handler.replace_text_in_range(None, &key_char);
-                            return YES;
-                        }
-                        NO
-                    });
-                    if handled == Some(YES) {
+            if key_down_event.is_held
+                && let Some(key_char) = key_down_event.keystroke.key_char.as_ref()
+            {
+                let handled = with_input_handler(this, |input_handler| {
+                    if !input_handler.apple_press_and_hold_enabled() {
+                        input_handler.replace_text_in_range(None, key_char);
                         return YES;
                     }
+                    NO
+                });
+                if handled == Some(YES) {
+                    return YES;
                 }
             }
 
@@ -1624,10 +1624,10 @@ extern "C" fn handle_view_event(this: &Object, _: Sel, native_event: id) {
                     modifiers: prev_modifiers,
                     capslock: prev_capslock,
                 })) = &lock.previous_modifiers_changed_event
+                    && prev_modifiers == modifiers
+                    && prev_capslock == capslock
                 {
-                    if prev_modifiers == modifiers && prev_capslock == capslock {
-                        return;
-                    }
+                    return;
                 }
 
                 lock.previous_modifiers_changed_event = Some(event.clone());
@@ -1949,7 +1949,7 @@ extern "C" fn insert_text(this: &Object, _: Sel, text: id, replacement_range: NS
         let text = text.to_str();
         let replacement_range = replacement_range.to_range();
         with_input_handler(this, |input_handler| {
-            input_handler.replace_text_in_range(replacement_range, &text)
+            input_handler.replace_text_in_range(replacement_range, text)
         });
     }
 }
@@ -1973,7 +1973,7 @@ extern "C" fn set_marked_text(
         let replacement_range = replacement_range.to_range();
         let text = text.to_str();
         with_input_handler(this, |input_handler| {
-            input_handler.replace_and_mark_text_in_range(replacement_range, &text, selected_range)
+            input_handler.replace_and_mark_text_in_range(replacement_range, text, selected_range)
         });
     }
 }
@@ -1995,10 +1995,10 @@ extern "C" fn attributed_substring_for_proposed_range(
         let mut adjusted: Option<Range<usize>> = None;
 
         let selected_text = input_handler.text_for_range(range.clone(), &mut adjusted)?;
-        if let Some(adjusted) = adjusted {
-            if adjusted != range {
-                unsafe { (actual_range as *mut NSRange).write(NSRange::from(adjusted)) };
-            }
+        if let Some(adjusted) = adjusted
+            && adjusted != range
+        {
+            unsafe { (actual_range as *mut NSRange).write(NSRange::from(adjusted)) };
         }
         unsafe {
             let string: id = msg_send![class!(NSAttributedString), alloc];
@@ -2063,8 +2063,8 @@ fn screen_point_to_gpui_point(this: &Object, position: NSPoint) -> Point<Pixels>
     let frame = get_frame(this);
     let window_x = position.x - frame.origin.x;
     let window_y = frame.size.height - (position.y - frame.origin.y);
-    let position = point(px(window_x as f32), px(window_y as f32));
-    position
+
+    point(px(window_x as f32), px(window_y as f32))
 }
 
 extern "C" fn dragging_entered(this: &Object, _: Sel, dragging_info: id) -> NSDragOperation {
@@ -2073,11 +2073,10 @@ extern "C" fn dragging_entered(this: &Object, _: Sel, dragging_info: id) -> NSDr
     let paths = external_paths_from_event(dragging_info);
     if let Some(event) =
         paths.map(|paths| PlatformInput::FileDrop(FileDropEvent::Entered { position, paths }))
+        && send_new_event(&window_state, event)
     {
-        if send_new_event(&window_state, event) {
-            window_state.lock().external_files_dragged = true;
-            return NSDragOperationCopy;
-        }
+        window_state.lock().external_files_dragged = true;
+        return NSDragOperationCopy;
     }
     NSDragOperationNone
 }
diff --git a/crates/gpui/src/platform/scap_screen_capture.rs b/crates/gpui/src/platform/scap_screen_capture.rs
index 32041b655f..d6d19cd810 100644
--- a/crates/gpui/src/platform/scap_screen_capture.rs
+++ b/crates/gpui/src/platform/scap_screen_capture.rs
@@ -228,7 +228,7 @@ fn run_capture(
         display,
         size,
     }));
-    if let Err(_) = stream_send_result {
+    if stream_send_result.is_err() {
         return;
     }
     while !cancel_stream.load(std::sync::atomic::Ordering::SeqCst) {
diff --git a/crates/gpui/src/platform/test/dispatcher.rs b/crates/gpui/src/platform/test/dispatcher.rs
index 16edabfa4b..4ce62c4bdc 100644
--- a/crates/gpui/src/platform/test/dispatcher.rs
+++ b/crates/gpui/src/platform/test/dispatcher.rs
@@ -78,11 +78,11 @@ impl TestDispatcher {
             let state = self.state.lock();
             let next_due_time = state.delayed.first().map(|(time, _)| *time);
             drop(state);
-            if let Some(due_time) = next_due_time {
-                if due_time <= new_now {
-                    self.state.lock().time = due_time;
-                    continue;
-                }
+            if let Some(due_time) = next_due_time
+                && due_time <= new_now
+            {
+                self.state.lock().time = due_time;
+                continue;
             }
             break;
         }
@@ -270,9 +270,7 @@ impl PlatformDispatcher for TestDispatcher {
     fn dispatch(&self, runnable: Runnable, label: Option<TaskLabel>) {
         {
             let mut state = self.state.lock();
-            if label.map_or(false, |label| {
-                state.deprioritized_task_labels.contains(&label)
-            }) {
+            if label.is_some_and(|label| state.deprioritized_task_labels.contains(&label)) {
                 state.deprioritized_background.push(runnable);
             } else {
                 state.background.push(runnable);
diff --git a/crates/gpui/src/platform/test/platform.rs b/crates/gpui/src/platform/test/platform.rs
index a26b65576c..00afcd81b5 100644
--- a/crates/gpui/src/platform/test/platform.rs
+++ b/crates/gpui/src/platform/test/platform.rs
@@ -187,24 +187,24 @@ impl TestPlatform {
             .push_back(TestPrompt {
                 msg: msg.to_string(),
                 detail: detail.map(|s| s.to_string()),
-                answers: answers.clone(),
+                answers,
                 tx,
             });
         rx
     }
 
     pub(crate) fn set_active_window(&self, window: Option<TestWindow>) {
-        let executor = self.foreground_executor().clone();
+        let executor = self.foreground_executor();
         let previous_window = self.active_window.borrow_mut().take();
         self.active_window.borrow_mut().clone_from(&window);
 
         executor
             .spawn(async move {
                 if let Some(previous_window) = previous_window {
-                    if let Some(window) = window.as_ref() {
-                        if Rc::ptr_eq(&previous_window.0, &window.0) {
-                            return;
-                        }
+                    if let Some(window) = window.as_ref()
+                        && Rc::ptr_eq(&previous_window.0, &window.0)
+                    {
+                        return;
                     }
                     previous_window.simulate_active_status_change(false);
                 }
@@ -336,6 +336,7 @@ impl Platform for TestPlatform {
     fn prompt_for_new_path(
         &self,
         directory: &std::path::Path,
+        _suggested_name: Option<&str>,
     ) -> oneshot::Receiver<Result<Option<std::path::PathBuf>>> {
         let (tx, rx) = oneshot::channel();
         self.background_executor()
diff --git a/crates/gpui/src/platform/windows.rs b/crates/gpui/src/platform/windows.rs
index 5268d3ccba..77e0ca41bf 100644
--- a/crates/gpui/src/platform/windows.rs
+++ b/crates/gpui/src/platform/windows.rs
@@ -10,6 +10,7 @@ mod keyboard;
 mod platform;
 mod system_settings;
 mod util;
+mod vsync;
 mod window;
 mod wrapper;
 
@@ -25,6 +26,7 @@ pub(crate) use keyboard::*;
 pub(crate) use platform::*;
 pub(crate) use system_settings::*;
 pub(crate) use util::*;
+pub(crate) use vsync::*;
 pub(crate) use window::*;
 pub(crate) use wrapper::*;
 
diff --git a/crates/gpui/src/platform/windows/color_text_raster.hlsl b/crates/gpui/src/platform/windows/color_text_raster.hlsl
new file mode 100644
index 0000000000..ccc5fa26f0
--- /dev/null
+++ b/crates/gpui/src/platform/windows/color_text_raster.hlsl
@@ -0,0 +1,39 @@
+struct RasterVertexOutput {
+    float4 position : SV_Position;
+    float2 texcoord : TEXCOORD0;
+};
+
+RasterVertexOutput emoji_rasterization_vertex(uint vertexID : SV_VERTEXID)
+{
+    RasterVertexOutput output;
+    output.texcoord = float2((vertexID << 1) & 2, vertexID & 2);
+    output.position = float4(output.texcoord * 2.0f - 1.0f, 0.0f, 1.0f);
+    output.position.y = -output.position.y;
+
+    return output;
+}
+
+struct PixelInput {
+    float4 position: SV_Position;
+    float2 texcoord : TEXCOORD0;
+};
+
+struct Bounds {
+    int2 origin;
+    int2 size;
+};
+
+Texture2D<float4> t_layer : register(t0);
+SamplerState s_layer : register(s0);
+
+cbuffer GlyphLayerTextureParams : register(b0) {
+    Bounds bounds;
+    float4 run_color;
+};
+
+float4 emoji_rasterization_fragment(PixelInput input): SV_Target {
+    float3 sampled = t_layer.Sample(s_layer, input.texcoord.xy).rgb;
+    float alpha = (sampled.r + sampled.g + sampled.b) / 3;
+
+    return float4(run_color.rgb, alpha);
+}
diff --git a/crates/gpui/src/platform/windows/direct_write.rs b/crates/gpui/src/platform/windows/direct_write.rs
index ada306c15c..a86a1fab62 100644
--- a/crates/gpui/src/platform/windows/direct_write.rs
+++ b/crates/gpui/src/platform/windows/direct_write.rs
@@ -10,10 +10,11 @@ use windows::{
         Foundation::*,
         Globalization::GetUserDefaultLocaleName,
         Graphics::{
-            Direct2D::{Common::*, *},
+            Direct3D::D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP,
+            Direct3D11::*,
             DirectWrite::*,
             Dxgi::Common::*,
-            Gdi::LOGFONTW,
+            Gdi::{IsRectEmpty, LOGFONTW},
             Imaging::*,
         },
         System::SystemServices::LOCALE_NAME_MAX_LENGTH,
@@ -40,16 +41,21 @@ struct DirectWriteComponent {
     locale: String,
     factory: IDWriteFactory5,
     bitmap_factory: AgileReference<IWICImagingFactory>,
-    d2d1_factory: ID2D1Factory,
     in_memory_loader: IDWriteInMemoryFontFileLoader,
     builder: IDWriteFontSetBuilder1,
     text_renderer: Arc<TextRendererWrapper>,
-    render_context: GlyphRenderContext,
+
+    render_params: IDWriteRenderingParams3,
+    gpu_state: GPUState,
 }
 
-struct GlyphRenderContext {
-    params: IDWriteRenderingParams3,
-    dc_target: ID2D1DeviceContext4,
+struct GPUState {
+    device: ID3D11Device,
+    device_context: ID3D11DeviceContext,
+    sampler: [Option<ID3D11SamplerState>; 1],
+    blend_state: ID3D11BlendState,
+    vertex_shader: ID3D11VertexShader,
+    pixel_shader: ID3D11PixelShader,
 }
 
 struct DirectWriteState {
@@ -70,12 +76,11 @@ struct FontIdentifier {
 }
 
 impl DirectWriteComponent {
-    pub fn new(bitmap_factory: &IWICImagingFactory) -> Result<Self> {
+    pub fn new(bitmap_factory: &IWICImagingFactory, gpu_context: &DirectXDevices) -> Result<Self> {
+        // todo: ideally this would not be a large unsafe block but smaller isolated ones for easier auditing
         unsafe {
             let factory: IDWriteFactory5 = DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED)?;
             let bitmap_factory = AgileReference::new(bitmap_factory)?;
-            let d2d1_factory: ID2D1Factory =
-                D2D1CreateFactory(D2D1_FACTORY_TYPE_MULTI_THREADED, None)?;
             // The `IDWriteInMemoryFontFileLoader` here is supported starting from
             // Windows 10 Creators Update, which consequently requires the entire
             // `DirectWriteTextSystem` to run on `win10 1703`+.
@@ -86,60 +91,132 @@ impl DirectWriteComponent {
             GetUserDefaultLocaleName(&mut locale_vec);
             let locale = String::from_utf16_lossy(&locale_vec);
             let text_renderer = Arc::new(TextRendererWrapper::new(&locale));
-            let render_context = GlyphRenderContext::new(&factory, &d2d1_factory)?;
+
+            let render_params = {
+                let default_params: IDWriteRenderingParams3 =
+                    factory.CreateRenderingParams()?.cast()?;
+                let gamma = default_params.GetGamma();
+                let enhanced_contrast = default_params.GetEnhancedContrast();
+                let gray_contrast = default_params.GetGrayscaleEnhancedContrast();
+                let cleartype_level = default_params.GetClearTypeLevel();
+                let grid_fit_mode = default_params.GetGridFitMode();
+
+                factory.CreateCustomRenderingParams(
+                    gamma,
+                    enhanced_contrast,
+                    gray_contrast,
+                    cleartype_level,
+                    DWRITE_PIXEL_GEOMETRY_RGB,
+                    DWRITE_RENDERING_MODE1_NATURAL_SYMMETRIC,
+                    grid_fit_mode,
+                )?
+            };
+
+            let gpu_state = GPUState::new(gpu_context)?;
 
             Ok(DirectWriteComponent {
                 locale,
                 factory,
                 bitmap_factory,
-                d2d1_factory,
                 in_memory_loader,
                 builder,
                 text_renderer,
-                render_context,
+                render_params,
+                gpu_state,
             })
         }
     }
 }
 
-impl GlyphRenderContext {
-    pub fn new(factory: &IDWriteFactory5, d2d1_factory: &ID2D1Factory) -> Result<Self> {
-        unsafe {
-            let default_params: IDWriteRenderingParams3 =
-                factory.CreateRenderingParams()?.cast()?;
-            let gamma = default_params.GetGamma();
-            let enhanced_contrast = default_params.GetEnhancedContrast();
-            let gray_contrast = default_params.GetGrayscaleEnhancedContrast();
-            let cleartype_level = default_params.GetClearTypeLevel();
-            let grid_fit_mode = default_params.GetGridFitMode();
+impl GPUState {
+    fn new(gpu_context: &DirectXDevices) -> Result<Self> {
+        let device = gpu_context.device.clone();
+        let device_context = gpu_context.device_context.clone();
 
-            let params = factory.CreateCustomRenderingParams(
-                gamma,
-                enhanced_contrast,
-                gray_contrast,
-                cleartype_level,
-                DWRITE_PIXEL_GEOMETRY_RGB,
-                DWRITE_RENDERING_MODE1_NATURAL_SYMMETRIC,
-                grid_fit_mode,
-            )?;
-            let dc_target = {
-                let target = d2d1_factory.CreateDCRenderTarget(&get_render_target_property(
-                    DXGI_FORMAT_B8G8R8A8_UNORM,
-                    D2D1_ALPHA_MODE_PREMULTIPLIED,
-                ))?;
-                let target = target.cast::<ID2D1DeviceContext4>()?;
-                target.SetTextRenderingParams(&params);
-                target
+        let blend_state = {
+            let mut blend_state = None;
+            let desc = D3D11_BLEND_DESC {
+                AlphaToCoverageEnable: false.into(),
+                IndependentBlendEnable: false.into(),
+                RenderTarget: [
+                    D3D11_RENDER_TARGET_BLEND_DESC {
+                        BlendEnable: true.into(),
+                        SrcBlend: D3D11_BLEND_SRC_ALPHA,
+                        DestBlend: D3D11_BLEND_INV_SRC_ALPHA,
+                        BlendOp: D3D11_BLEND_OP_ADD,
+                        SrcBlendAlpha: D3D11_BLEND_SRC_ALPHA,
+                        DestBlendAlpha: D3D11_BLEND_INV_SRC_ALPHA,
+                        BlendOpAlpha: D3D11_BLEND_OP_ADD,
+                        RenderTargetWriteMask: D3D11_COLOR_WRITE_ENABLE_ALL.0 as u8,
+                    },
+                    Default::default(),
+                    Default::default(),
+                    Default::default(),
+                    Default::default(),
+                    Default::default(),
+                    Default::default(),
+                    Default::default(),
+                ],
             };
+            unsafe { device.CreateBlendState(&desc, Some(&mut blend_state)) }?;
+            blend_state.unwrap()
+        };
 
-            Ok(Self { params, dc_target })
-        }
+        let sampler = {
+            let mut sampler = None;
+            let desc = D3D11_SAMPLER_DESC {
+                Filter: D3D11_FILTER_MIN_MAG_MIP_POINT,
+                AddressU: D3D11_TEXTURE_ADDRESS_BORDER,
+                AddressV: D3D11_TEXTURE_ADDRESS_BORDER,
+                AddressW: D3D11_TEXTURE_ADDRESS_BORDER,
+                MipLODBias: 0.0,
+                MaxAnisotropy: 1,
+                ComparisonFunc: D3D11_COMPARISON_ALWAYS,
+                BorderColor: [0.0, 0.0, 0.0, 0.0],
+                MinLOD: 0.0,
+                MaxLOD: 0.0,
+            };
+            unsafe { device.CreateSamplerState(&desc, Some(&mut sampler)) }?;
+            [sampler]
+        };
+
+        let vertex_shader = {
+            let source = shader_resources::RawShaderBytes::new(
+                shader_resources::ShaderModule::EmojiRasterization,
+                shader_resources::ShaderTarget::Vertex,
+            )?;
+            let mut shader = None;
+            unsafe { device.CreateVertexShader(source.as_bytes(), None, Some(&mut shader)) }?;
+            shader.unwrap()
+        };
+
+        let pixel_shader = {
+            let source = shader_resources::RawShaderBytes::new(
+                shader_resources::ShaderModule::EmojiRasterization,
+                shader_resources::ShaderTarget::Fragment,
+            )?;
+            let mut shader = None;
+            unsafe { device.CreatePixelShader(source.as_bytes(), None, Some(&mut shader)) }?;
+            shader.unwrap()
+        };
+
+        Ok(Self {
+            device,
+            device_context,
+            sampler,
+            blend_state,
+            vertex_shader,
+            pixel_shader,
+        })
     }
 }
 
 impl DirectWriteTextSystem {
-    pub(crate) fn new(bitmap_factory: &IWICImagingFactory) -> Result<Self> {
-        let components = DirectWriteComponent::new(bitmap_factory)?;
+    pub(crate) fn new(
+        gpu_context: &DirectXDevices,
+        bitmap_factory: &IWICImagingFactory,
+    ) -> Result<Self> {
+        let components = DirectWriteComponent::new(bitmap_factory, gpu_context)?;
         let system_font_collection = unsafe {
             let mut result = std::mem::zeroed();
             components
@@ -421,8 +498,9 @@ impl DirectWriteState {
                 )
                 .unwrap()
             } else {
+                let family = self.system_ui_font_name.clone();
                 self.find_font_id(
-                    target_font.family.as_ref(),
+                    font_name_with_fallbacks(target_font.family.as_ref(), family.as_ref()),
                     target_font.weight,
                     target_font.style,
                     &target_font.features,
@@ -435,7 +513,6 @@ impl DirectWriteState {
                     }
                     #[cfg(not(any(test, feature = "test-support")))]
                     {
-                        let family = self.system_ui_font_name.clone();
                         log::error!("{} not found, use {} instead.", target_font.family, family);
                         self.get_font_id_from_font_collection(
                             family.as_ref(),
@@ -648,15 +725,13 @@ impl DirectWriteState {
         }
     }
 
-    fn raster_bounds(&self, params: &RenderGlyphParams) -> Result<Bounds<DevicePixels>> {
-        let render_target = &self.components.render_context.dc_target;
-        unsafe {
-            render_target.SetUnitMode(D2D1_UNIT_MODE_DIPS);
-            render_target.SetDpi(96.0 * params.scale_factor, 96.0 * params.scale_factor);
-        }
+    fn create_glyph_run_analysis(
+        &self,
+        params: &RenderGlyphParams,
+    ) -> Result<IDWriteGlyphRunAnalysis> {
         let font = &self.fonts[params.font_id.0];
         let glyph_id = [params.glyph_id.0 as u16];
-        let advance = [0.0f32];
+        let advance = [0.0];
         let offset = [DWRITE_GLYPH_OFFSET::default()];
         let glyph_run = DWRITE_GLYPH_RUN {
             fontFace: unsafe { std::mem::transmute_copy(&font.font_face) },
@@ -668,44 +743,87 @@ impl DirectWriteState {
             isSideways: BOOL(0),
             bidiLevel: 0,
         };
-        let bounds = unsafe {
-            render_target.GetGlyphRunWorldBounds(
-                Vector2 { X: 0.0, Y: 0.0 },
-                &glyph_run,
-                DWRITE_MEASURING_MODE_NATURAL,
-            )?
+        let transform = DWRITE_MATRIX {
+            m11: params.scale_factor,
+            m12: 0.0,
+            m21: 0.0,
+            m22: params.scale_factor,
+            dx: 0.0,
+            dy: 0.0,
         };
-        // todo(windows)
-        // This is a walkaround, deleted when figured out.
-        let y_offset;
-        let extra_height;
-        if params.is_emoji {
-            y_offset = 0;
-            extra_height = 0;
-        } else {
-            // make some room for scaler.
-            y_offset = -1;
-            extra_height = 2;
+        let subpixel_shift = params
+            .subpixel_variant
+            .map(|v| v as f32 / SUBPIXEL_VARIANTS as f32);
+        let baseline_origin_x = subpixel_shift.x / params.scale_factor;
+        let baseline_origin_y = subpixel_shift.y / params.scale_factor;
+
+        let mut rendering_mode = DWRITE_RENDERING_MODE1::default();
+        let mut grid_fit_mode = DWRITE_GRID_FIT_MODE::default();
+        unsafe {
+            font.font_face.GetRecommendedRenderingMode(
+                params.font_size.0,
+                // The dpi here seems that it has the same effect with `Some(&transform)`
+                1.0,
+                1.0,
+                Some(&transform),
+                false,
+                DWRITE_OUTLINE_THRESHOLD_ANTIALIASED,
+                DWRITE_MEASURING_MODE_NATURAL,
+                &self.components.render_params,
+                &mut rendering_mode,
+                &mut grid_fit_mode,
+            )?;
         }
 
-        if bounds.right < bounds.left {
+        let glyph_analysis = unsafe {
+            self.components.factory.CreateGlyphRunAnalysis(
+                &glyph_run,
+                Some(&transform),
+                rendering_mode,
+                DWRITE_MEASURING_MODE_NATURAL,
+                grid_fit_mode,
+                // We're using cleartype not grayscale for monochrome is because it provides better quality
+                DWRITE_TEXT_ANTIALIAS_MODE_CLEARTYPE,
+                baseline_origin_x,
+                baseline_origin_y,
+            )
+        }?;
+        Ok(glyph_analysis)
+    }
+
+    fn raster_bounds(&self, params: &RenderGlyphParams) -> Result<Bounds<DevicePixels>> {
+        let glyph_analysis = self.create_glyph_run_analysis(params)?;
+
+        let bounds = unsafe { glyph_analysis.GetAlphaTextureBounds(DWRITE_TEXTURE_CLEARTYPE_3x1)? };
+        // Some glyphs cannot be drawn with ClearType, such as bitmap fonts. In that case
+        // GetAlphaTextureBounds() supposedly returns an empty RECT, but I haven't tested that yet.
+        if !unsafe { IsRectEmpty(&bounds) }.as_bool() {
             Ok(Bounds {
-                origin: point(0.into(), 0.into()),
-                size: size(0.into(), 0.into()),
+                origin: point(bounds.left.into(), bounds.top.into()),
+                size: size(
+                    (bounds.right - bounds.left).into(),
+                    (bounds.bottom - bounds.top).into(),
+                ),
             })
         } else {
-            Ok(Bounds {
-                origin: point(
-                    ((bounds.left * params.scale_factor).ceil() as i32).into(),
-                    ((bounds.top * params.scale_factor).ceil() as i32 + y_offset).into(),
-                ),
-                size: size(
-                    (((bounds.right - bounds.left) * params.scale_factor).ceil() as i32).into(),
-                    (((bounds.bottom - bounds.top) * params.scale_factor).ceil() as i32
-                        + extra_height)
-                        .into(),
-                ),
-            })
+            // If it's empty, retry with grayscale AA.
+            let bounds =
+                unsafe { glyph_analysis.GetAlphaTextureBounds(DWRITE_TEXTURE_ALIASED_1x1)? };
+
+            if bounds.right < bounds.left {
+                Ok(Bounds {
+                    origin: point(0.into(), 0.into()),
+                    size: size(0.into(), 0.into()),
+                })
+            } else {
+                Ok(Bounds {
+                    origin: point(bounds.left.into(), bounds.top.into()),
+                    size: size(
+                        (bounds.right - bounds.left).into(),
+                        (bounds.bottom - bounds.top).into(),
+                    ),
+                })
+            }
         }
     }
 
@@ -731,7 +849,95 @@ impl DirectWriteState {
             anyhow::bail!("glyph bounds are empty");
         }
 
-        let font_info = &self.fonts[params.font_id.0];
+        let bitmap_data = if params.is_emoji {
+            if let Ok(color) = self.rasterize_color(params, glyph_bounds) {
+                color
+            } else {
+                let monochrome = self.rasterize_monochrome(params, glyph_bounds)?;
+                monochrome
+                    .into_iter()
+                    .flat_map(|pixel| [0, 0, 0, pixel])
+                    .collect::<Vec<_>>()
+            }
+        } else {
+            self.rasterize_monochrome(params, glyph_bounds)?
+        };
+
+        Ok((glyph_bounds.size, bitmap_data))
+    }
+
+    fn rasterize_monochrome(
+        &self,
+        params: &RenderGlyphParams,
+        glyph_bounds: Bounds<DevicePixels>,
+    ) -> Result<Vec<u8>> {
+        let mut bitmap_data =
+            vec![0u8; glyph_bounds.size.width.0 as usize * glyph_bounds.size.height.0 as usize * 3];
+
+        let glyph_analysis = self.create_glyph_run_analysis(params)?;
+        unsafe {
+            glyph_analysis.CreateAlphaTexture(
+                // We're using cleartype not grayscale for monochrome is because it provides better quality
+                DWRITE_TEXTURE_CLEARTYPE_3x1,
+                &RECT {
+                    left: glyph_bounds.origin.x.0,
+                    top: glyph_bounds.origin.y.0,
+                    right: glyph_bounds.size.width.0 + glyph_bounds.origin.x.0,
+                    bottom: glyph_bounds.size.height.0 + glyph_bounds.origin.y.0,
+                },
+                &mut bitmap_data,
+            )?;
+        }
+
+        let bitmap_factory = self.components.bitmap_factory.resolve()?;
+        let bitmap = unsafe {
+            bitmap_factory.CreateBitmapFromMemory(
+                glyph_bounds.size.width.0 as u32,
+                glyph_bounds.size.height.0 as u32,
+                &GUID_WICPixelFormat24bppRGB,
+                glyph_bounds.size.width.0 as u32 * 3,
+                &bitmap_data,
+            )
+        }?;
+
+        let grayscale_bitmap =
+            unsafe { WICConvertBitmapSource(&GUID_WICPixelFormat8bppGray, &bitmap) }?;
+
+        let mut bitmap_data =
+            vec![0u8; glyph_bounds.size.width.0 as usize * glyph_bounds.size.height.0 as usize];
+        unsafe {
+            grayscale_bitmap.CopyPixels(
+                std::ptr::null() as _,
+                glyph_bounds.size.width.0 as u32,
+                &mut bitmap_data,
+            )
+        }?;
+
+        Ok(bitmap_data)
+    }
+
+    fn rasterize_color(
+        &self,
+        params: &RenderGlyphParams,
+        glyph_bounds: Bounds<DevicePixels>,
+    ) -> Result<Vec<u8>> {
+        let bitmap_size = glyph_bounds.size;
+        let subpixel_shift = params
+            .subpixel_variant
+            .map(|v| v as f32 / SUBPIXEL_VARIANTS as f32);
+        let baseline_origin_x = subpixel_shift.x / params.scale_factor;
+        let baseline_origin_y = subpixel_shift.y / params.scale_factor;
+
+        let transform = DWRITE_MATRIX {
+            m11: params.scale_factor,
+            m12: 0.0,
+            m21: 0.0,
+            m22: params.scale_factor,
+            dx: 0.0,
+            dy: 0.0,
+        };
+
+        let font = &self.fonts[params.font_id.0];
         let glyph_id = [params.glyph_id.0 as u16];
         let advance = [glyph_bounds.size.width.0 as f32];
         let offset = [DWRITE_GLYPH_OFFSET {
@@ -739,7 +945,7 @@ impl DirectWriteState {
             ascenderOffset: glyph_bounds.origin.y.0 as f32 / params.scale_factor,
         }];
         let glyph_run = DWRITE_GLYPH_RUN {
-            fontFace: unsafe { std::mem::transmute_copy(&font_info.font_face) },
+            fontFace: unsafe { std::mem::transmute_copy(&font.font_face) },
             fontEmSize: params.font_size.0,
             glyphCount: 1,
             glyphIndices: glyph_id.as_ptr(),
@@ -749,160 +955,254 @@ impl DirectWriteState {
             bidiLevel: 0,
         };
 
-        // Add an extra pixel when the subpixel variant isn't zero to make room for anti-aliasing.
-        let mut bitmap_size = glyph_bounds.size;
-        if params.subpixel_variant.x > 0 {
-            bitmap_size.width += DevicePixels(1);
-        }
-        if params.subpixel_variant.y > 0 {
-            bitmap_size.height += DevicePixels(1);
-        }
-        let bitmap_size = bitmap_size;
+        // todo: support formats other than COLR
+        let color_enumerator = unsafe {
+            self.components.factory.TranslateColorGlyphRun(
+                Vector2::new(baseline_origin_x, baseline_origin_y),
+                &glyph_run,
+                None,
+                DWRITE_GLYPH_IMAGE_FORMATS_COLR,
+                DWRITE_MEASURING_MODE_NATURAL,
+                Some(&transform),
+                0,
+            )
+        }?;
 
-        let total_bytes;
-        let bitmap_format;
-        let render_target_property;
-        let bitmap_width;
-        let bitmap_height;
-        let bitmap_stride;
-        let bitmap_dpi;
-        if params.is_emoji {
-            total_bytes = bitmap_size.height.0 as usize * bitmap_size.width.0 as usize * 4;
-            bitmap_format = &GUID_WICPixelFormat32bppPBGRA;
-            render_target_property = get_render_target_property(
-                DXGI_FORMAT_B8G8R8A8_UNORM,
-                D2D1_ALPHA_MODE_PREMULTIPLIED,
-            );
-            bitmap_width = bitmap_size.width.0 as u32;
-            bitmap_height = bitmap_size.height.0 as u32;
-            bitmap_stride = bitmap_size.width.0 as u32 * 4;
-            bitmap_dpi = 96.0;
-        } else {
-            total_bytes = bitmap_size.height.0 as usize * bitmap_size.width.0 as usize;
-            bitmap_format = &GUID_WICPixelFormat8bppAlpha;
-            render_target_property =
-                get_render_target_property(DXGI_FORMAT_A8_UNORM, D2D1_ALPHA_MODE_STRAIGHT);
-            bitmap_width = bitmap_size.width.0 as u32 * 2;
-            bitmap_height = bitmap_size.height.0 as u32 * 2;
-            bitmap_stride = bitmap_size.width.0 as u32;
-            bitmap_dpi = 192.0;
+        let mut glyph_layers = Vec::new();
+        loop {
+            let color_run = unsafe { color_enumerator.GetCurrentRun() }?;
+            let color_run = unsafe { &*color_run };
+            let image_format = color_run.glyphImageFormat & !DWRITE_GLYPH_IMAGE_FORMATS_TRUETYPE;
+            if image_format == DWRITE_GLYPH_IMAGE_FORMATS_COLR {
+                let color_analysis = unsafe {
+                    self.components.factory.CreateGlyphRunAnalysis(
+                        &color_run.Base.glyphRun as *const _,
+                        Some(&transform),
+                        DWRITE_RENDERING_MODE1_NATURAL_SYMMETRIC,
+                        DWRITE_MEASURING_MODE_NATURAL,
+                        DWRITE_GRID_FIT_MODE_DEFAULT,
+                        DWRITE_TEXT_ANTIALIAS_MODE_CLEARTYPE,
+                        baseline_origin_x,
+                        baseline_origin_y,
+                    )
+                }?;
+
+                let color_bounds =
+                    unsafe { color_analysis.GetAlphaTextureBounds(DWRITE_TEXTURE_CLEARTYPE_3x1) }?;
+
+                let color_size = size(
+                    color_bounds.right - color_bounds.left,
+                    color_bounds.bottom - color_bounds.top,
+                );
+                if color_size.width > 0 && color_size.height > 0 {
+                    let mut alpha_data =
+                        vec![0u8; (color_size.width * color_size.height * 3) as usize];
+                    unsafe {
+                        color_analysis.CreateAlphaTexture(
+                            DWRITE_TEXTURE_CLEARTYPE_3x1,
+                            &color_bounds,
+                            &mut alpha_data,
+                        )
+                    }?;
+
+                    let run_color = {
+                        let run_color = color_run.Base.runColor;
+                        Rgba {
+                            r: run_color.r,
+                            g: run_color.g,
+                            b: run_color.b,
+                            a: run_color.a,
+                        }
+                    };
+                    let bounds = bounds(point(color_bounds.left, color_bounds.top), color_size);
+                    let alpha_data = alpha_data
+                        .chunks_exact(3)
+                        .flat_map(|chunk| [chunk[0], chunk[1], chunk[2], 255])
+                        .collect::<Vec<_>>();
+                    glyph_layers.push(GlyphLayerTexture::new(
+                        &self.components.gpu_state,
+                        run_color,
+                        bounds,
+                        &alpha_data,
+                    )?);
+                }
+            }
+
+            let has_next = unsafe { color_enumerator.MoveNext() }
+                .map(|e| e.as_bool())
+                .unwrap_or(false);
+            if !has_next {
+                break;
+            }
         }
 
-        let bitmap_factory = self.components.bitmap_factory.resolve()?;
-        unsafe {
-            let bitmap = bitmap_factory.CreateBitmap(
-                bitmap_width,
-                bitmap_height,
-                bitmap_format,
-                WICBitmapCacheOnLoad,
-            )?;
-            let render_target = self
-                .components
-                .d2d1_factory
-                .CreateWicBitmapRenderTarget(&bitmap, &render_target_property)?;
-            let brush = render_target.CreateSolidColorBrush(&BRUSH_COLOR, None)?;
-            let subpixel_shift = params
-                .subpixel_variant
-                .map(|v| v as f32 / SUBPIXEL_VARIANTS as f32);
-            let baseline_origin = Vector2 {
-                X: subpixel_shift.x / params.scale_factor,
-                Y: subpixel_shift.y / params.scale_factor,
+        let gpu_state = &self.components.gpu_state;
+        let params_buffer = {
+            let desc = D3D11_BUFFER_DESC {
+                ByteWidth: std::mem::size_of::<GlyphLayerTextureParams>() as u32,
+                Usage: D3D11_USAGE_DYNAMIC,
+                BindFlags: D3D11_BIND_CONSTANT_BUFFER.0 as u32,
+                CPUAccessFlags: D3D11_CPU_ACCESS_WRITE.0 as u32,
+                MiscFlags: 0,
+                StructureByteStride: 0,
             };
 
-            // This `cast()` action here should never fail since we are running on Win10+, and
-            // ID2D1DeviceContext4 requires Win8+
-            let render_target = render_target.cast::<ID2D1DeviceContext4>().unwrap();
-            render_target.SetUnitMode(D2D1_UNIT_MODE_DIPS);
-            render_target.SetDpi(
-                bitmap_dpi * params.scale_factor,
-                bitmap_dpi * params.scale_factor,
-            );
-            render_target.SetTextRenderingParams(&self.components.render_context.params);
-            render_target.BeginDraw();
+            let mut buffer = None;
+            unsafe {
+                gpu_state
+                    .device
+                    .CreateBuffer(&desc, None, Some(&mut buffer))
+            }?;
+            [buffer]
+        };
 
-            if params.is_emoji {
-                // WARN: only DWRITE_GLYPH_IMAGE_FORMATS_COLR has been tested
-                let enumerator = self.components.factory.TranslateColorGlyphRun(
-                    baseline_origin,
-                    &glyph_run as _,
-                    None,
-                    DWRITE_GLYPH_IMAGE_FORMATS_COLR
-                        | DWRITE_GLYPH_IMAGE_FORMATS_SVG
-                        | DWRITE_GLYPH_IMAGE_FORMATS_PNG
-                        | DWRITE_GLYPH_IMAGE_FORMATS_JPEG
-                        | DWRITE_GLYPH_IMAGE_FORMATS_PREMULTIPLIED_B8G8R8A8,
-                    DWRITE_MEASURING_MODE_NATURAL,
-                    None,
+        let render_target_texture = {
+            let mut texture = None;
+            let desc = D3D11_TEXTURE2D_DESC {
+                Width: bitmap_size.width.0 as u32,
+                Height: bitmap_size.height.0 as u32,
+                MipLevels: 1,
+                ArraySize: 1,
+                Format: DXGI_FORMAT_B8G8R8A8_UNORM,
+                SampleDesc: DXGI_SAMPLE_DESC {
+                    Count: 1,
+                    Quality: 0,
+                },
+                Usage: D3D11_USAGE_DEFAULT,
+                BindFlags: D3D11_BIND_RENDER_TARGET.0 as u32,
+                CPUAccessFlags: 0,
+                MiscFlags: 0,
+            };
+            unsafe {
+                gpu_state
+                    .device
+                    .CreateTexture2D(&desc, None, Some(&mut texture))
+            }?;
+            texture.unwrap()
+        };
+
+        let render_target_view = {
+            let desc = D3D11_RENDER_TARGET_VIEW_DESC {
+                Format: DXGI_FORMAT_B8G8R8A8_UNORM,
+                ViewDimension: D3D11_RTV_DIMENSION_TEXTURE2D,
+                Anonymous: D3D11_RENDER_TARGET_VIEW_DESC_0 {
+                    Texture2D: D3D11_TEX2D_RTV { MipSlice: 0 },
+                },
+            };
+            let mut rtv = None;
+            unsafe {
+                gpu_state.device.CreateRenderTargetView(
+                    &render_target_texture,
+                    Some(&desc),
+                    Some(&mut rtv),
+                )
+            }?;
+            [rtv]
+        };
+
+        let staging_texture = {
+            let mut texture = None;
+            let desc = D3D11_TEXTURE2D_DESC {
+                Width: bitmap_size.width.0 as u32,
+                Height: bitmap_size.height.0 as u32,
+                MipLevels: 1,
+                ArraySize: 1,
+                Format: DXGI_FORMAT_B8G8R8A8_UNORM,
+                SampleDesc: DXGI_SAMPLE_DESC {
+                    Count: 1,
+                    Quality: 0,
+                },
+                Usage: D3D11_USAGE_STAGING,
+                BindFlags: 0,
+                CPUAccessFlags: D3D11_CPU_ACCESS_READ.0 as u32,
+                MiscFlags: 0,
+            };
+            unsafe {
+                gpu_state
+                    .device
+                    .CreateTexture2D(&desc, None, Some(&mut texture))
+            }?;
+            texture.unwrap()
+        };
+
+        let device_context = &gpu_state.device_context;
+        unsafe { device_context.IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP) };
+        unsafe { device_context.VSSetShader(&gpu_state.vertex_shader, None) };
+        unsafe { device_context.PSSetShader(&gpu_state.pixel_shader, None) };
+        unsafe { device_context.VSSetConstantBuffers(0, Some(&params_buffer)) };
+        unsafe { device_context.PSSetConstantBuffers(0, Some(&params_buffer)) };
+        unsafe { device_context.OMSetRenderTargets(Some(&render_target_view), None) };
+        unsafe { device_context.PSSetSamplers(0, Some(&gpu_state.sampler)) };
+        unsafe { device_context.OMSetBlendState(&gpu_state.blend_state, None, 0xffffffff) };
+
+        for layer in glyph_layers {
+            let params = GlyphLayerTextureParams {
+                run_color: layer.run_color,
+                bounds: layer.bounds,
+            };
+            unsafe {
+                let mut dest = std::mem::zeroed();
+                gpu_state.device_context.Map(
+                    params_buffer[0].as_ref().unwrap(),
                     0,
+                    D3D11_MAP_WRITE_DISCARD,
+                    0,
+                    Some(&mut dest),
                 )?;
-                while enumerator.MoveNext().is_ok() {
-                    let Ok(color_glyph) = enumerator.GetCurrentRun() else {
-                        break;
-                    };
-                    let color_glyph = &*color_glyph;
-                    let brush_color = translate_color(&color_glyph.Base.runColor);
-                    brush.SetColor(&brush_color);
-                    match color_glyph.glyphImageFormat {
-                        DWRITE_GLYPH_IMAGE_FORMATS_PNG
-                        | DWRITE_GLYPH_IMAGE_FORMATS_JPEG
-                        | DWRITE_GLYPH_IMAGE_FORMATS_PREMULTIPLIED_B8G8R8A8 => render_target
-                            .DrawColorBitmapGlyphRun(
-                                color_glyph.glyphImageFormat,
-                                baseline_origin,
-                                &color_glyph.Base.glyphRun,
-                                color_glyph.measuringMode,
-                                D2D1_COLOR_BITMAP_GLYPH_SNAP_OPTION_DEFAULT,
-                            ),
-                        DWRITE_GLYPH_IMAGE_FORMATS_SVG => render_target.DrawSvgGlyphRun(
-                            baseline_origin,
-                            &color_glyph.Base.glyphRun,
-                            &brush,
-                            None,
-                            color_glyph.Base.paletteIndex as u32,
-                            color_glyph.measuringMode,
-                        ),
-                        _ => render_target.DrawGlyphRun(
-                            baseline_origin,
-                            &color_glyph.Base.glyphRun,
-                            Some(color_glyph.Base.glyphRunDescription as *const _),
-                            &brush,
-                            color_glyph.measuringMode,
-                        ),
-                    }
-                }
-            } else {
-                render_target.DrawGlyphRun(
-                    baseline_origin,
-                    &glyph_run,
-                    None,
-                    &brush,
-                    DWRITE_MEASURING_MODE_NATURAL,
-                );
-            }
-            render_target.EndDraw(None, None)?;
+                std::ptr::copy_nonoverlapping(&params as *const _, dest.pData as *mut _, 1);
+                gpu_state
+                    .device_context
+                    .Unmap(params_buffer[0].as_ref().unwrap(), 0);
+            };
 
-            let mut raw_data = vec![0u8; total_bytes];
-            if params.is_emoji {
-                bitmap.CopyPixels(std::ptr::null() as _, bitmap_stride, &mut raw_data)?;
-                // Convert from BGRA with premultiplied alpha to BGRA with straight alpha.
-                for pixel in raw_data.chunks_exact_mut(4) {
-                    let a = pixel[3] as f32 / 255.;
-                    pixel[0] = (pixel[0] as f32 / a) as u8;
-                    pixel[1] = (pixel[1] as f32 / a) as u8;
-                    pixel[2] = (pixel[2] as f32 / a) as u8;
-                }
-            } else {
-                let scaler = bitmap_factory.CreateBitmapScaler()?;
-                scaler.Initialize(
-                    &bitmap,
-                    bitmap_size.width.0 as u32,
-                    bitmap_size.height.0 as u32,
-                    WICBitmapInterpolationModeHighQualityCubic,
-                )?;
-                scaler.CopyPixels(std::ptr::null() as _, bitmap_stride, &mut raw_data)?;
-            }
-            Ok((bitmap_size, raw_data))
+            let texture = [Some(layer.texture_view)];
+            unsafe { device_context.PSSetShaderResources(0, Some(&texture)) };
+
+            let viewport = [D3D11_VIEWPORT {
+                TopLeftX: layer.bounds.origin.x as f32,
+                TopLeftY: layer.bounds.origin.y as f32,
+                Width: layer.bounds.size.width as f32,
+                Height: layer.bounds.size.height as f32,
+                MinDepth: 0.0,
+                MaxDepth: 1.0,
+            }];
+            unsafe { device_context.RSSetViewports(Some(&viewport)) };
+
+            unsafe { device_context.Draw(4, 0) };
         }
+
+        unsafe { device_context.CopyResource(&staging_texture, &render_target_texture) };
+
+        let mapped_data = {
+            let mut mapped_data = D3D11_MAPPED_SUBRESOURCE::default();
+            unsafe {
+                device_context.Map(
+                    &staging_texture,
+                    0,
+                    D3D11_MAP_READ,
+                    0,
+                    Some(&mut mapped_data),
+                )
+            }?;
+            mapped_data
+        };
+        let mut rasterized =
+            vec![0u8; (bitmap_size.width.0 as u32 * bitmap_size.height.0 as u32 * 4) as usize];
+
+        for y in 0..bitmap_size.height.0 as usize {
+            let width = bitmap_size.width.0 as usize;
+            unsafe {
+                std::ptr::copy_nonoverlapping::<u8>(
+                    (mapped_data.pData as *const u8).byte_add(mapped_data.RowPitch as usize * y),
+                    rasterized
+                        .as_mut_ptr()
+                        .byte_add(width * y * std::mem::size_of::<u32>()),
+                    width * std::mem::size_of::<u32>(),
+                )
+            };
+        }
+
+        Ok(rasterized)
     }
 
     fn get_typographic_bounds(&self, font_id: FontId, glyph_id: GlyphId) -> Result<Bounds<f32>> {
@@ -976,6 +1276,84 @@ impl Drop for DirectWriteState {
     }
 }
 
+struct GlyphLayerTexture {
+    run_color: Rgba,
+    bounds: Bounds<i32>,
+    texture_view: ID3D11ShaderResourceView,
+    // holding on to the texture to not RAII drop it
+    _texture: ID3D11Texture2D,
+}
+
+impl GlyphLayerTexture {
+    pub fn new(
+        gpu_state: &GPUState,
+        run_color: Rgba,
+        bounds: Bounds<i32>,
+        alpha_data: &[u8],
+    ) -> Result<Self> {
+        let texture_size = bounds.size;
+
+        let desc = D3D11_TEXTURE2D_DESC {
+            Width: texture_size.width as u32,
+            Height: texture_size.height as u32,
+            MipLevels: 1,
+            ArraySize: 1,
+            Format: DXGI_FORMAT_R8G8B8A8_UNORM,
+            SampleDesc: DXGI_SAMPLE_DESC {
+                Count: 1,
+                Quality: 0,
+            },
+            Usage: D3D11_USAGE_DEFAULT,
+            BindFlags: D3D11_BIND_SHADER_RESOURCE.0 as u32,
+            CPUAccessFlags: D3D11_CPU_ACCESS_WRITE.0 as u32,
+            MiscFlags: 0,
+        };
+
+        let texture = {
+            let mut texture: Option<ID3D11Texture2D> = None;
+            unsafe {
+                gpu_state
+                    .device
+                    .CreateTexture2D(&desc, None, Some(&mut texture))?
+            };
+            texture.unwrap()
+        };
+        let texture_view = {
+            let mut view: Option<ID3D11ShaderResourceView> = None;
+            unsafe {
+                gpu_state
+                    .device
+                    .CreateShaderResourceView(&texture, None, Some(&mut view))?
+            };
+            view.unwrap()
+        };
+
+        unsafe {
+            gpu_state.device_context.UpdateSubresource(
+                &texture,
+                0,
+                None,
+                alpha_data.as_ptr() as _,
+                (texture_size.width * 4) as u32,
+                0,
+            )
+        };
+
+        Ok(GlyphLayerTexture {
+            run_color,
+            bounds,
+            texture_view,
+            _texture: texture,
+        })
+    }
+}
+
+#[repr(C)]
+struct GlyphLayerTextureParams {
+    bounds: Bounds<i32>,
+    run_color: Rgba,
+}
+
 struct TextRendererWrapper(pub IDWriteTextRenderer);
 
 impl TextRendererWrapper {
@@ -1406,7 +1784,7 @@ fn apply_font_features(
         }
 
         unsafe {
-            direct_write_features.AddFontFeature(make_direct_write_feature(&tag, *value))?;
+            direct_write_features.AddFontFeature(make_direct_write_feature(tag, *value))?;
         }
     }
     unsafe {
@@ -1470,16 +1848,6 @@ fn get_name(string: IDWriteLocalizedStrings, locale: &str) -> Result<String> {
     Ok(String::from_utf16_lossy(&name_vec[..name_length]))
 }
 
-#[inline]
-fn translate_color(color: &DWRITE_COLOR_F) -> D2D1_COLOR_F {
-    D2D1_COLOR_F {
-        r: color.r,
-        g: color.g,
-        b: color.b,
-        a: color.a,
-    }
-}
-
 fn get_system_ui_font_name() -> SharedString {
     unsafe {
         let mut info: LOGFONTW = std::mem::zeroed();
@@ -1504,24 +1872,6 @@ fn get_system_ui_font_name() -> SharedString {
     }
 }
 
-#[inline]
-fn get_render_target_property(
-    pixel_format: DXGI_FORMAT,
-    alpha_mode: D2D1_ALPHA_MODE,
-) -> D2D1_RENDER_TARGET_PROPERTIES {
-    D2D1_RENDER_TARGET_PROPERTIES {
-        r#type: D2D1_RENDER_TARGET_TYPE_DEFAULT,
-        pixelFormat: D2D1_PIXEL_FORMAT {
-            format: pixel_format,
-            alphaMode: alpha_mode,
-        },
-        dpiX: 96.0,
-        dpiY: 96.0,
-        usage: D2D1_RENDER_TARGET_USAGE_NONE,
-        minLevel: D2D1_FEATURE_LEVEL_DEFAULT,
-    }
-}
-
 // One would think that with newer DirectWrite method: IDWriteFontFace4::GetGlyphImageFormats
 // but that doesn't seem to work for some glyphs, say ❤
 fn is_color_glyph(
@@ -1561,12 +1911,6 @@ fn is_color_glyph(
 }
 
 const DEFAULT_LOCALE_NAME: PCWSTR = windows::core::w!("en-US");
-const BRUSH_COLOR: D2D1_COLOR_F = D2D1_COLOR_F {
-    r: 1.0,
-    g: 1.0,
-    b: 1.0,
-    a: 1.0,
-};
 
 #[cfg(test)]
 mod tests {
diff --git a/crates/gpui/src/platform/windows/directx_atlas.rs b/crates/gpui/src/platform/windows/directx_atlas.rs
index 988943c766..6bced4c11d 100644
--- a/crates/gpui/src/platform/windows/directx_atlas.rs
+++ b/crates/gpui/src/platform/windows/directx_atlas.rs
@@ -7,7 +7,7 @@ use windows::Win32::Graphics::{
         D3D11_USAGE_DEFAULT, ID3D11Device, ID3D11DeviceContext, ID3D11ShaderResourceView,
         ID3D11Texture2D,
     },
-    Dxgi::Common::{DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_SAMPLE_DESC},
+    Dxgi::Common::*,
 };
 
 use crate::{
@@ -167,7 +167,7 @@ impl DirectXAtlasState {
         let bytes_per_pixel;
         match kind {
             AtlasTextureKind::Monochrome => {
-                pixel_format = DXGI_FORMAT_A8_UNORM;
+                pixel_format = DXGI_FORMAT_R8_UNORM;
                 bind_flag = D3D11_BIND_SHADER_RESOURCE;
                 bytes_per_pixel = 1;
             }
diff --git a/crates/gpui/src/platform/windows/directx_renderer.rs b/crates/gpui/src/platform/windows/directx_renderer.rs
index fcd52b6956..f84a1c1b6d 100644
--- a/crates/gpui/src/platform/windows/directx_renderer.rs
+++ b/crates/gpui/src/platform/windows/directx_renderer.rs
@@ -42,8 +42,8 @@ pub(crate) struct DirectXRenderer {
 pub(crate) struct DirectXDevices {
     adapter: IDXGIAdapter1,
     dxgi_factory: IDXGIFactory6,
-    device: ID3D11Device,
-    device_context: ID3D11DeviceContext,
+    pub(crate) device: ID3D11Device,
+    pub(crate) device_context: ID3D11DeviceContext,
     dxgi_device: Option<IDXGIDevice>,
 }
 
@@ -187,7 +187,7 @@ impl DirectXRenderer {
                     self.resources.viewport[0].Width,
                     self.resources.viewport[0].Height,
                 ],
-                ..Default::default()
+                _pad: 0,
             }],
         )?;
         unsafe {
@@ -207,7 +207,7 @@ impl DirectXRenderer {
 
     fn present(&mut self) -> Result<()> {
         unsafe {
-            let result = self.resources.swap_chain.Present(1, DXGI_PRESENT(0));
+            let result = self.resources.swap_chain.Present(0, DXGI_PRESENT(0));
             // Presenting the swap chain can fail if the DirectX device was removed or reset.
             if result == DXGI_ERROR_DEVICE_REMOVED || result == DXGI_ERROR_DEVICE_RESET {
                 let reason = self.devices.device.GetDeviceRemovedReason();
@@ -435,7 +435,7 @@ impl DirectXRenderer {
                 xy_position: v.xy_position,
                 st_position: v.st_position,
                 color: path.color,
-                bounds: path.bounds.intersect(&path.content_mask.bounds),
+                bounds: path.clipped_bounds(),
             }));
         }
 
@@ -487,13 +487,13 @@ impl DirectXRenderer {
             paths
                 .iter()
                 .map(|path| PathSprite {
-                    bounds: path.bounds,
+                    bounds: path.clipped_bounds(),
                 })
                 .collect::<Vec<_>>()
         } else {
-            let mut bounds = first_path.bounds;
+            let mut bounds = first_path.clipped_bounds();
             for path in paths.iter().skip(1) {
-                bounds = bounds.union(&path.bounds);
+                bounds = bounds.union(&path.clipped_bounds());
             }
             vec![PathSprite { bounds }]
         };
@@ -758,7 +758,7 @@ impl DirectXRenderPipelines {
 
 impl DirectComposition {
     pub fn new(dxgi_device: &IDXGIDevice, hwnd: HWND) -> Result<Self> {
-        let comp_device = get_comp_device(&dxgi_device)?;
+        let comp_device = get_comp_device(dxgi_device)?;
         let comp_target = unsafe { comp_device.CreateTargetForHwnd(hwnd, true) }?;
         let comp_visual = unsafe { comp_device.CreateVisual() }?;
 
@@ -1144,7 +1144,7 @@ fn create_resources(
     [D3D11_VIEWPORT; 1],
 )> {
     let (render_target, render_target_view) =
-        create_render_target_and_its_view(&swap_chain, &devices.device)?;
+        create_render_target_and_its_view(swap_chain, &devices.device)?;
     let (path_intermediate_texture, path_intermediate_srv) =
         create_path_intermediate_texture(&devices.device, width, height)?;
     let (path_intermediate_msaa_texture, path_intermediate_msaa_view) =
@@ -1441,7 +1441,7 @@ fn report_live_objects(device: &ID3D11Device) -> Result<()> {
 
 const BUFFER_COUNT: usize = 3;
 
-mod shader_resources {
+pub(crate) mod shader_resources {
     use anyhow::Result;
 
     #[cfg(debug_assertions)]
@@ -1454,7 +1454,7 @@ mod shader_resources {
     };
 
     #[derive(Copy, Clone, Debug, Eq, PartialEq)]
-    pub(super) enum ShaderModule {
+    pub(crate) enum ShaderModule {
         Quad,
         Shadow,
         Underline,
@@ -1462,15 +1462,16 @@ mod shader_resources {
         PathSprite,
         MonochromeSprite,
         PolychromeSprite,
+        EmojiRasterization,
     }
 
     #[derive(Copy, Clone, Debug, Eq, PartialEq)]
-    pub(super) enum ShaderTarget {
+    pub(crate) enum ShaderTarget {
         Vertex,
         Fragment,
     }
 
-    pub(super) struct RawShaderBytes<'t> {
+    pub(crate) struct RawShaderBytes<'t> {
         inner: &'t [u8],
 
         #[cfg(debug_assertions)]
@@ -1478,7 +1479,7 @@ mod shader_resources {
     }
 
     impl<'t> RawShaderBytes<'t> {
-        pub(super) fn new(module: ShaderModule, target: ShaderTarget) -> Result<Self> {
+        pub(crate) fn new(module: ShaderModule, target: ShaderTarget) -> Result<Self> {
             #[cfg(not(debug_assertions))]
             {
                 Ok(Self::from_bytes(module, target))
@@ -1496,7 +1497,7 @@ mod shader_resources {
             }
         }
 
-        pub(super) fn as_bytes(&'t self) -> &'t [u8] {
+        pub(crate) fn as_bytes(&'t self) -> &'t [u8] {
             self.inner
         }
 
@@ -1531,6 +1532,10 @@ mod shader_resources {
                     ShaderTarget::Vertex => POLYCHROME_SPRITE_VERTEX_BYTES,
                     ShaderTarget::Fragment => POLYCHROME_SPRITE_FRAGMENT_BYTES,
                 },
+                ShaderModule::EmojiRasterization => match target {
+                    ShaderTarget::Vertex => EMOJI_RASTERIZATION_VERTEX_BYTES,
+                    ShaderTarget::Fragment => EMOJI_RASTERIZATION_FRAGMENT_BYTES,
+                },
             };
             Self { inner: bytes }
         }
@@ -1539,6 +1544,12 @@ mod shader_resources {
     #[cfg(debug_assertions)]
     pub(super) fn build_shader_blob(entry: ShaderModule, target: ShaderTarget) -> Result<ID3DBlob> {
         unsafe {
+            let shader_name = if matches!(entry, ShaderModule::EmojiRasterization) {
+                "color_text_raster.hlsl"
+            } else {
+                "shaders.hlsl"
+            };
+
             let entry = format!(
                 "{}_{}\0",
                 entry.as_str(),
@@ -1555,7 +1566,7 @@ mod shader_resources {
             let mut compile_blob = None;
             let mut error_blob = None;
             let shader_path = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-                .join("src/platform/windows/shaders.hlsl")
+                .join(&format!("src/platform/windows/{}", shader_name))
                 .canonicalize()?;
 
             let entry_point = PCSTR::from_raw(entry.as_ptr());
@@ -1601,6 +1612,7 @@ mod shader_resources {
                 ShaderModule::PathSprite => "path_sprite",
                 ShaderModule::MonochromeSprite => "monochrome_sprite",
                 ShaderModule::PolychromeSprite => "polychrome_sprite",
+                ShaderModule::EmojiRasterization => "emoji_rasterization",
             }
         }
     }
@@ -1612,11 +1624,10 @@ mod nvidia {
         os::raw::{c_char, c_int, c_uint},
     };
 
-    use anyhow::{Context, Result};
-    use windows::{
-        Win32::System::LibraryLoader::{GetProcAddress, LoadLibraryA},
-        core::s,
-    };
+    use anyhow::Result;
+    use windows::{Win32::System::LibraryLoader::GetProcAddress, core::s};
+
+    use crate::with_dll_library;
 
     // https://github.com/NVIDIA/nvapi/blob/7cb76fce2f52de818b3da497af646af1ec16ce27/nvapi_lite_common.h#L180
     const NVAPI_SHORT_STRING_MAX: usize = 64;
@@ -1633,13 +1644,12 @@ mod nvidia {
     ) -> c_int;
 
     pub(super) fn get_driver_version() -> Result<String> {
-        unsafe {
-            // Try to load the NVIDIA driver DLL
-            #[cfg(target_pointer_width = "64")]
-            let nvidia_dll = LoadLibraryA(s!("nvapi64.dll")).context("Can't load nvapi64.dll")?;
-            #[cfg(target_pointer_width = "32")]
-            let nvidia_dll = LoadLibraryA(s!("nvapi.dll")).context("Can't load nvapi.dll")?;
+        #[cfg(target_pointer_width = "64")]
+        let nvidia_dll_name = s!("nvapi64.dll");
+        #[cfg(target_pointer_width = "32")]
+        let nvidia_dll_name = s!("nvapi.dll");
 
+        with_dll_library(nvidia_dll_name, |nvidia_dll| unsafe {
             let nvapi_query_addr = GetProcAddress(nvidia_dll, s!("nvapi_QueryInterface"))
                 .ok_or_else(|| anyhow::anyhow!("Failed to get nvapi_QueryInterface address"))?;
             let nvapi_query: extern "C" fn(u32) -> *mut () = std::mem::transmute(nvapi_query_addr);
@@ -1674,18 +1684,17 @@ mod nvidia {
                 minor,
                 branch_string.to_string_lossy()
             ))
-        }
+        })
     }
 }
 
 mod amd {
     use std::os::raw::{c_char, c_int, c_void};
 
-    use anyhow::{Context, Result};
-    use windows::{
-        Win32::System::LibraryLoader::{GetProcAddress, LoadLibraryA},
-        core::s,
-    };
+    use anyhow::Result;
+    use windows::{Win32::System::LibraryLoader::GetProcAddress, core::s};
+
+    use crate::with_dll_library;
 
     // https://github.com/GPUOpen-LibrariesAndSDKs/AGS_SDK/blob/5d8812d703d0335741b6f7ffc37838eeb8b967f7/ags_lib/inc/amd_ags.h#L145
     const AGS_CURRENT_VERSION: i32 = (6 << 22) | (3 << 12);
@@ -1719,14 +1728,12 @@ mod amd {
     type agsDeInitialize_t = unsafe extern "C" fn(context: *mut AGSContext) -> c_int;
 
     pub(super) fn get_driver_version() -> Result<String> {
-        unsafe {
-            #[cfg(target_pointer_width = "64")]
-            let amd_dll =
-                LoadLibraryA(s!("amd_ags_x64.dll")).context("Failed to load AMD AGS library")?;
-            #[cfg(target_pointer_width = "32")]
-            let amd_dll =
-                LoadLibraryA(s!("amd_ags_x86.dll")).context("Failed to load AMD AGS library")?;
+        #[cfg(target_pointer_width = "64")]
+        let amd_dll_name = s!("amd_ags_x64.dll");
+        #[cfg(target_pointer_width = "32")]
+        let amd_dll_name = s!("amd_ags_x86.dll");
 
+        with_dll_library(amd_dll_name, |amd_dll| unsafe {
             let ags_initialize_addr = GetProcAddress(amd_dll, s!("agsInitialize"))
                 .ok_or_else(|| anyhow::anyhow!("Failed to get agsInitialize address"))?;
             let ags_deinitialize_addr = GetProcAddress(amd_dll, s!("agsDeInitialize"))
@@ -1772,7 +1779,7 @@ mod amd {
 
             ags_deinitialize(context);
             Ok(format!("{} ({})", software_version, driver_version))
-        }
+        })
     }
 }
 
diff --git a/crates/gpui/src/platform/windows/dispatcher.rs b/crates/gpui/src/platform/windows/dispatcher.rs
index e5b9c020d5..f554dea128 100644
--- a/crates/gpui/src/platform/windows/dispatcher.rs
+++ b/crates/gpui/src/platform/windows/dispatcher.rs
@@ -9,10 +9,8 @@ use parking::Parker;
 use parking_lot::Mutex;
 use util::ResultExt;
 use windows::{
-    Foundation::TimeSpan,
     System::Threading::{
-        ThreadPool, ThreadPoolTimer, TimerElapsedHandler, WorkItemHandler, WorkItemOptions,
-        WorkItemPriority,
+        ThreadPool, ThreadPoolTimer, TimerElapsedHandler, WorkItemHandler, WorkItemPriority,
     },
     Win32::{
         Foundation::{LPARAM, WPARAM},
@@ -56,12 +54,7 @@ impl WindowsDispatcher {
                 Ok(())
             })
         };
-        ThreadPool::RunWithPriorityAndOptionsAsync(
-            &handler,
-            WorkItemPriority::High,
-            WorkItemOptions::TimeSliced,
-        )
-        .log_err();
+        ThreadPool::RunWithPriorityAsync(&handler, WorkItemPriority::High).log_err();
     }
 
     fn dispatch_on_threadpool_after(&self, runnable: Runnable, duration: Duration) {
@@ -72,12 +65,7 @@ impl WindowsDispatcher {
                 Ok(())
             })
         };
-        let delay = TimeSpan {
-            // A time period expressed in 100-nanosecond units.
-            // 10,000,000 ticks per second
-            Duration: (duration.as_nanos() / 100) as i64,
-        };
-        ThreadPoolTimer::CreateTimer(&handler, delay).log_err();
+        ThreadPoolTimer::CreateTimer(&handler, duration.into()).log_err();
     }
 }
 
diff --git a/crates/gpui/src/platform/windows/events.rs b/crates/gpui/src/platform/windows/events.rs
index 61f410a8c6..4def6a11a5 100644
--- a/crates/gpui/src/platform/windows/events.rs
+++ b/crates/gpui/src/platform/windows/events.rs
@@ -28,712 +28,685 @@ pub(crate) const WM_GPUI_FORCE_UPDATE_WINDOW: u32 = WM_USER + 5;
 const SIZE_MOVE_LOOP_TIMER_ID: usize = 1;
 const AUTO_HIDE_TASKBAR_THICKNESS_PX: i32 = 1;
 
-pub(crate) fn handle_msg(
-    handle: HWND,
-    msg: u32,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> LRESULT {
-    let handled = match msg {
-        WM_ACTIVATE => handle_activate_msg(wparam, state_ptr),
-        WM_CREATE => handle_create_msg(handle, state_ptr),
-        WM_DEVICECHANGE => handle_device_change_msg(handle, wparam, state_ptr),
-        WM_MOVE => handle_move_msg(handle, lparam, state_ptr),
-        WM_SIZE => handle_size_msg(wparam, lparam, state_ptr),
-        WM_GETMINMAXINFO => handle_get_min_max_info_msg(lparam, state_ptr),
-        WM_ENTERSIZEMOVE | WM_ENTERMENULOOP => handle_size_move_loop(handle),
-        WM_EXITSIZEMOVE | WM_EXITMENULOOP => handle_size_move_loop_exit(handle),
-        WM_TIMER => handle_timer_msg(handle, wparam, state_ptr),
-        WM_NCCALCSIZE => handle_calc_client_size(handle, wparam, lparam, state_ptr),
-        WM_DPICHANGED => handle_dpi_changed_msg(handle, wparam, lparam, state_ptr),
-        WM_DISPLAYCHANGE => handle_display_change_msg(handle, state_ptr),
-        WM_NCHITTEST => handle_hit_test_msg(handle, msg, wparam, lparam, state_ptr),
-        WM_PAINT => handle_paint_msg(handle, state_ptr),
-        WM_CLOSE => handle_close_msg(state_ptr),
-        WM_DESTROY => handle_destroy_msg(handle, state_ptr),
-        WM_MOUSEMOVE => handle_mouse_move_msg(handle, lparam, wparam, state_ptr),
-        WM_MOUSELEAVE | WM_NCMOUSELEAVE => handle_mouse_leave_msg(state_ptr),
-        WM_NCMOUSEMOVE => handle_nc_mouse_move_msg(handle, lparam, state_ptr),
-        WM_NCLBUTTONDOWN => {
-            handle_nc_mouse_down_msg(handle, MouseButton::Left, wparam, lparam, state_ptr)
+impl WindowsWindowInner {
+    pub(crate) fn handle_msg(
+        self: &Rc<Self>,
+        handle: HWND,
+        msg: u32,
+        wparam: WPARAM,
+        lparam: LPARAM,
+    ) -> LRESULT {
+        let handled = match msg {
+            WM_ACTIVATE => self.handle_activate_msg(wparam),
+            WM_CREATE => self.handle_create_msg(handle),
+            WM_DEVICECHANGE => self.handle_device_change_msg(handle, wparam),
+            WM_MOVE => self.handle_move_msg(handle, lparam),
+            WM_SIZE => self.handle_size_msg(wparam, lparam),
+            WM_GETMINMAXINFO => self.handle_get_min_max_info_msg(lparam),
+            WM_ENTERSIZEMOVE | WM_ENTERMENULOOP => self.handle_size_move_loop(handle),
+            WM_EXITSIZEMOVE | WM_EXITMENULOOP => self.handle_size_move_loop_exit(handle),
+            WM_TIMER => self.handle_timer_msg(handle, wparam),
+            WM_NCCALCSIZE => self.handle_calc_client_size(handle, wparam, lparam),
+            WM_DPICHANGED => self.handle_dpi_changed_msg(handle, wparam, lparam),
+            WM_DISPLAYCHANGE => self.handle_display_change_msg(handle),
+            WM_NCHITTEST => self.handle_hit_test_msg(handle, msg, wparam, lparam),
+            WM_PAINT => self.handle_paint_msg(handle),
+            WM_CLOSE => self.handle_close_msg(),
+            WM_DESTROY => self.handle_destroy_msg(handle),
+            WM_MOUSEMOVE => self.handle_mouse_move_msg(handle, lparam, wparam),
+            WM_MOUSELEAVE | WM_NCMOUSELEAVE => self.handle_mouse_leave_msg(),
+            WM_NCMOUSEMOVE => self.handle_nc_mouse_move_msg(handle, lparam),
+            WM_NCLBUTTONDOWN => {
+                self.handle_nc_mouse_down_msg(handle, MouseButton::Left, wparam, lparam)
+            }
+            WM_NCRBUTTONDOWN => {
+                self.handle_nc_mouse_down_msg(handle, MouseButton::Right, wparam, lparam)
+            }
+            WM_NCMBUTTONDOWN => {
+                self.handle_nc_mouse_down_msg(handle, MouseButton::Middle, wparam, lparam)
+            }
+            WM_NCLBUTTONUP => {
+                self.handle_nc_mouse_up_msg(handle, MouseButton::Left, wparam, lparam)
+            }
+            WM_NCRBUTTONUP => {
+                self.handle_nc_mouse_up_msg(handle, MouseButton::Right, wparam, lparam)
+            }
+            WM_NCMBUTTONUP => {
+                self.handle_nc_mouse_up_msg(handle, MouseButton::Middle, wparam, lparam)
+            }
+            WM_LBUTTONDOWN => self.handle_mouse_down_msg(handle, MouseButton::Left, lparam),
+            WM_RBUTTONDOWN => self.handle_mouse_down_msg(handle, MouseButton::Right, lparam),
+            WM_MBUTTONDOWN => self.handle_mouse_down_msg(handle, MouseButton::Middle, lparam),
+            WM_XBUTTONDOWN => {
+                self.handle_xbutton_msg(handle, wparam, lparam, Self::handle_mouse_down_msg)
+            }
+            WM_LBUTTONUP => self.handle_mouse_up_msg(handle, MouseButton::Left, lparam),
+            WM_RBUTTONUP => self.handle_mouse_up_msg(handle, MouseButton::Right, lparam),
+            WM_MBUTTONUP => self.handle_mouse_up_msg(handle, MouseButton::Middle, lparam),
+            WM_XBUTTONUP => {
+                self.handle_xbutton_msg(handle, wparam, lparam, Self::handle_mouse_up_msg)
+            }
+            WM_MOUSEWHEEL => self.handle_mouse_wheel_msg(handle, wparam, lparam),
+            WM_MOUSEHWHEEL => self.handle_mouse_horizontal_wheel_msg(handle, wparam, lparam),
+            WM_SYSKEYDOWN => self.handle_syskeydown_msg(handle, wparam, lparam),
+            WM_SYSKEYUP => self.handle_syskeyup_msg(handle, wparam, lparam),
+            WM_SYSCOMMAND => self.handle_system_command(wparam),
+            WM_KEYDOWN => self.handle_keydown_msg(handle, wparam, lparam),
+            WM_KEYUP => self.handle_keyup_msg(handle, wparam, lparam),
+            WM_CHAR => self.handle_char_msg(wparam),
+            WM_DEADCHAR => self.handle_dead_char_msg(wparam),
+            WM_IME_STARTCOMPOSITION => self.handle_ime_position(handle),
+            WM_IME_COMPOSITION => self.handle_ime_composition(handle, lparam),
+            WM_SETCURSOR => self.handle_set_cursor(handle, lparam),
+            WM_SETTINGCHANGE => self.handle_system_settings_changed(handle, wparam, lparam),
+            WM_INPUTLANGCHANGE => self.handle_input_language_changed(lparam),
+            WM_SHOWWINDOW => self.handle_window_visibility_changed(handle, wparam),
+            WM_GPUI_CURSOR_STYLE_CHANGED => self.handle_cursor_changed(lparam),
+            WM_GPUI_FORCE_UPDATE_WINDOW => self.draw_window(handle, true),
+            _ => None,
+        };
+        if let Some(n) = handled {
+            LRESULT(n)
+        } else {
+            unsafe { DefWindowProcW(handle, msg, wparam, lparam) }
         }
-        WM_NCRBUTTONDOWN => {
-            handle_nc_mouse_down_msg(handle, MouseButton::Right, wparam, lparam, state_ptr)
-        }
-        WM_NCMBUTTONDOWN => {
-            handle_nc_mouse_down_msg(handle, MouseButton::Middle, wparam, lparam, state_ptr)
-        }
-        WM_NCLBUTTONUP => {
-            handle_nc_mouse_up_msg(handle, MouseButton::Left, wparam, lparam, state_ptr)
-        }
-        WM_NCRBUTTONUP => {
-            handle_nc_mouse_up_msg(handle, MouseButton::Right, wparam, lparam, state_ptr)
-        }
-        WM_NCMBUTTONUP => {
-            handle_nc_mouse_up_msg(handle, MouseButton::Middle, wparam, lparam, state_ptr)
-        }
-        WM_LBUTTONDOWN => handle_mouse_down_msg(handle, MouseButton::Left, lparam, state_ptr),
-        WM_RBUTTONDOWN => handle_mouse_down_msg(handle, MouseButton::Right, lparam, state_ptr),
-        WM_MBUTTONDOWN => handle_mouse_down_msg(handle, MouseButton::Middle, lparam, state_ptr),
-        WM_XBUTTONDOWN => {
-            handle_xbutton_msg(handle, wparam, lparam, handle_mouse_down_msg, state_ptr)
-        }
-        WM_LBUTTONUP => handle_mouse_up_msg(handle, MouseButton::Left, lparam, state_ptr),
-        WM_RBUTTONUP => handle_mouse_up_msg(handle, MouseButton::Right, lparam, state_ptr),
-        WM_MBUTTONUP => handle_mouse_up_msg(handle, MouseButton::Middle, lparam, state_ptr),
-        WM_XBUTTONUP => handle_xbutton_msg(handle, wparam, lparam, handle_mouse_up_msg, state_ptr),
-        WM_MOUSEWHEEL => handle_mouse_wheel_msg(handle, wparam, lparam, state_ptr),
-        WM_MOUSEHWHEEL => handle_mouse_horizontal_wheel_msg(handle, wparam, lparam, state_ptr),
-        WM_SYSKEYDOWN => handle_syskeydown_msg(handle, wparam, lparam, state_ptr),
-        WM_SYSKEYUP => handle_syskeyup_msg(handle, wparam, lparam, state_ptr),
-        WM_SYSCOMMAND => handle_system_command(wparam, state_ptr),
-        WM_KEYDOWN => handle_keydown_msg(handle, wparam, lparam, state_ptr),
-        WM_KEYUP => handle_keyup_msg(handle, wparam, lparam, state_ptr),
-        WM_CHAR => handle_char_msg(wparam, state_ptr),
-        WM_DEADCHAR => handle_dead_char_msg(wparam, state_ptr),
-        WM_IME_STARTCOMPOSITION => handle_ime_position(handle, state_ptr),
-        WM_IME_COMPOSITION => handle_ime_composition(handle, lparam, state_ptr),
-        WM_SETCURSOR => handle_set_cursor(handle, lparam, state_ptr),
-        WM_SETTINGCHANGE => handle_system_settings_changed(handle, wparam, lparam, state_ptr),
-        WM_INPUTLANGCHANGE => handle_input_language_changed(lparam, state_ptr),
-        WM_GPUI_CURSOR_STYLE_CHANGED => handle_cursor_changed(lparam, state_ptr),
-        WM_GPUI_FORCE_UPDATE_WINDOW => draw_window(handle, true, state_ptr),
-        _ => None,
-    };
-    if let Some(n) = handled {
-        LRESULT(n)
-    } else {
-        unsafe { DefWindowProcW(handle, msg, wparam, lparam) }
-    }
-}
-
-fn handle_move_msg(
-    handle: HWND,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let mut lock = state_ptr.state.borrow_mut();
-    let origin = logical_point(
-        lparam.signed_loword() as f32,
-        lparam.signed_hiword() as f32,
-        lock.scale_factor,
-    );
-    lock.origin = origin;
-    let size = lock.logical_size;
-    let center_x = origin.x.0 + size.width.0 / 2.;
-    let center_y = origin.y.0 + size.height.0 / 2.;
-    let monitor_bounds = lock.display.bounds();
-    if center_x < monitor_bounds.left().0
-        || center_x > monitor_bounds.right().0
-        || center_y < monitor_bounds.top().0
-        || center_y > monitor_bounds.bottom().0
-    {
-        // center of the window may have moved to another monitor
-        let monitor = unsafe { MonitorFromWindow(handle, MONITOR_DEFAULTTONULL) };
-        // minimize the window can trigger this event too, in this case,
-        // monitor is invalid, we do nothing.
-        if !monitor.is_invalid() && lock.display.handle != monitor {
-            // we will get the same monitor if we only have one
-            lock.display = WindowsDisplay::new_with_handle(monitor);
-        }
-    }
-    if let Some(mut callback) = lock.callbacks.moved.take() {
-        drop(lock);
-        callback();
-        state_ptr.state.borrow_mut().callbacks.moved = Some(callback);
-    }
-    Some(0)
-}
-
-fn handle_get_min_max_info_msg(
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let lock = state_ptr.state.borrow();
-    let min_size = lock.min_size?;
-    let scale_factor = lock.scale_factor;
-    let boarder_offset = lock.border_offset;
-    drop(lock);
-    unsafe {
-        let minmax_info = &mut *(lparam.0 as *mut MINMAXINFO);
-        minmax_info.ptMinTrackSize.x =
-            min_size.width.scale(scale_factor).0 as i32 + boarder_offset.width_offset;
-        minmax_info.ptMinTrackSize.y =
-            min_size.height.scale(scale_factor).0 as i32 + boarder_offset.height_offset;
-    }
-    Some(0)
-}
-
-fn handle_size_msg(
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let mut lock = state_ptr.state.borrow_mut();
-
-    // Don't resize the renderer when the window is minimized, but record that it was minimized so
-    // that on restore the swap chain can be recreated via `update_drawable_size_even_if_unchanged`.
-    if wparam.0 == SIZE_MINIMIZED as usize {
-        lock.restore_from_minimized = lock.callbacks.request_frame.take();
-        return Some(0);
     }
 
-    let width = lparam.loword().max(1) as i32;
-    let height = lparam.hiword().max(1) as i32;
-    let new_size = size(DevicePixels(width), DevicePixels(height));
-    let scale_factor = lock.scale_factor;
-    if lock.restore_from_minimized.is_some() {
-        lock.callbacks.request_frame = lock.restore_from_minimized.take();
-    } else {
-        lock.renderer.resize(new_size).log_err();
-    }
-    let new_size = new_size.to_pixels(scale_factor);
-    lock.logical_size = new_size;
-    if let Some(mut callback) = lock.callbacks.resize.take() {
-        drop(lock);
-        callback(new_size, scale_factor);
-        state_ptr.state.borrow_mut().callbacks.resize = Some(callback);
-    }
-    Some(0)
-}
-
-fn handle_size_move_loop(handle: HWND) -> Option<isize> {
-    unsafe {
-        let ret = SetTimer(
-            Some(handle),
-            SIZE_MOVE_LOOP_TIMER_ID,
-            USER_TIMER_MINIMUM,
-            None,
+    fn handle_move_msg(&self, handle: HWND, lparam: LPARAM) -> Option<isize> {
+        let mut lock = self.state.borrow_mut();
+        let origin = logical_point(
+            lparam.signed_loword() as f32,
+            lparam.signed_hiword() as f32,
+            lock.scale_factor,
         );
-        if ret == 0 {
-            log::error!(
-                "unable to create timer: {}",
-                std::io::Error::last_os_error()
-            );
+        lock.origin = origin;
+        let size = lock.logical_size;
+        let center_x = origin.x.0 + size.width.0 / 2.;
+        let center_y = origin.y.0 + size.height.0 / 2.;
+        let monitor_bounds = lock.display.bounds();
+        if center_x < monitor_bounds.left().0
+            || center_x > monitor_bounds.right().0
+            || center_y < monitor_bounds.top().0
+            || center_y > monitor_bounds.bottom().0
+        {
+            // center of the window may have moved to another monitor
+            let monitor = unsafe { MonitorFromWindow(handle, MONITOR_DEFAULTTONULL) };
+            // minimize the window can trigger this event too, in this case,
+            // monitor is invalid, we do nothing.
+            if !monitor.is_invalid() && lock.display.handle != monitor {
+                // we will get the same monitor if we only have one
+                lock.display = WindowsDisplay::new_with_handle(monitor);
+            }
         }
-    }
-    None
-}
-
-fn handle_size_move_loop_exit(handle: HWND) -> Option<isize> {
-    unsafe {
-        KillTimer(Some(handle), SIZE_MOVE_LOOP_TIMER_ID).log_err();
-    }
-    None
-}
-
-fn handle_timer_msg(
-    handle: HWND,
-    wparam: WPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    if wparam.0 == SIZE_MOVE_LOOP_TIMER_ID {
-        for runnable in state_ptr.main_receiver.drain() {
-            runnable.run();
+        if let Some(mut callback) = lock.callbacks.moved.take() {
+            drop(lock);
+            callback();
+            self.state.borrow_mut().callbacks.moved = Some(callback);
         }
-        handle_paint_msg(handle, state_ptr)
-    } else {
-        None
+        Some(0)
     }
-}
 
-fn handle_paint_msg(handle: HWND, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    draw_window(handle, false, state_ptr)
-}
-
-fn handle_close_msg(state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    let mut callback = state_ptr.state.borrow_mut().callbacks.should_close.take()?;
-    let should_close = callback();
-    state_ptr.state.borrow_mut().callbacks.should_close = Some(callback);
-    if should_close { None } else { Some(0) }
-}
-
-fn handle_destroy_msg(handle: HWND, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    let callback = {
-        let mut lock = state_ptr.state.borrow_mut();
-        lock.callbacks.close.take()
-    };
-    if let Some(callback) = callback {
-        callback();
-    }
-    unsafe {
-        PostThreadMessageW(
-            state_ptr.main_thread_id_win32,
-            WM_GPUI_CLOSE_ONE_WINDOW,
-            WPARAM(state_ptr.validation_number),
-            LPARAM(handle.0 as isize),
-        )
-        .log_err();
-    }
-    Some(0)
-}
-
-fn handle_mouse_move_msg(
-    handle: HWND,
-    lparam: LPARAM,
-    wparam: WPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    start_tracking_mouse(handle, &state_ptr, TME_LEAVE);
-
-    let mut lock = state_ptr.state.borrow_mut();
-    let Some(mut func) = lock.callbacks.input.take() else {
-        return Some(1);
-    };
-    let scale_factor = lock.scale_factor;
-    drop(lock);
-
-    let pressed_button = match MODIFIERKEYS_FLAGS(wparam.loword() as u32) {
-        flags if flags.contains(MK_LBUTTON) => Some(MouseButton::Left),
-        flags if flags.contains(MK_RBUTTON) => Some(MouseButton::Right),
-        flags if flags.contains(MK_MBUTTON) => Some(MouseButton::Middle),
-        flags if flags.contains(MK_XBUTTON1) => {
-            Some(MouseButton::Navigate(NavigationDirection::Back))
-        }
-        flags if flags.contains(MK_XBUTTON2) => {
-            Some(MouseButton::Navigate(NavigationDirection::Forward))
-        }
-        _ => None,
-    };
-    let x = lparam.signed_loword() as f32;
-    let y = lparam.signed_hiword() as f32;
-    let input = PlatformInput::MouseMove(MouseMoveEvent {
-        position: logical_point(x, y, scale_factor),
-        pressed_button,
-        modifiers: current_modifiers(),
-    });
-    let handled = !func(input).propagate;
-    state_ptr.state.borrow_mut().callbacks.input = Some(func);
-
-    if handled { Some(0) } else { Some(1) }
-}
-
-fn handle_mouse_leave_msg(state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    let mut lock = state_ptr.state.borrow_mut();
-    lock.hovered = false;
-    if let Some(mut callback) = lock.callbacks.hovered_status_change.take() {
+    fn handle_get_min_max_info_msg(&self, lparam: LPARAM) -> Option<isize> {
+        let lock = self.state.borrow();
+        let min_size = lock.min_size?;
+        let scale_factor = lock.scale_factor;
+        let boarder_offset = lock.border_offset;
         drop(lock);
-        callback(false);
-        state_ptr.state.borrow_mut().callbacks.hovered_status_change = Some(callback);
+        unsafe {
+            let minmax_info = &mut *(lparam.0 as *mut MINMAXINFO);
+            minmax_info.ptMinTrackSize.x =
+                min_size.width.scale(scale_factor).0 as i32 + boarder_offset.width_offset;
+            minmax_info.ptMinTrackSize.y =
+                min_size.height.scale(scale_factor).0 as i32 + boarder_offset.height_offset;
+        }
+        Some(0)
     }
 
-    Some(0)
-}
+    fn handle_size_msg(&self, wparam: WPARAM, lparam: LPARAM) -> Option<isize> {
+        let mut lock = self.state.borrow_mut();
 
-fn handle_syskeydown_msg(
-    handle: HWND,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let mut lock = state_ptr.state.borrow_mut();
-    let input = handle_key_event(handle, wparam, lparam, &mut lock, |keystroke| {
-        PlatformInput::KeyDown(KeyDownEvent {
-            keystroke,
-            is_held: lparam.0 & (0x1 << 30) > 0,
-        })
-    })?;
-    let mut func = lock.callbacks.input.take()?;
-    drop(lock);
+        // Don't resize the renderer when the window is minimized, but record that it was minimized so
+        // that on restore the swap chain can be recreated via `update_drawable_size_even_if_unchanged`.
+        if wparam.0 == SIZE_MINIMIZED as usize {
+            lock.restore_from_minimized = lock.callbacks.request_frame.take();
+            return Some(0);
+        }
 
-    let handled = !func(input).propagate;
+        let width = lparam.loword().max(1) as i32;
+        let height = lparam.hiword().max(1) as i32;
+        let new_size = size(DevicePixels(width), DevicePixels(height));
 
-    let mut lock = state_ptr.state.borrow_mut();
-    lock.callbacks.input = Some(func);
+        let scale_factor = lock.scale_factor;
+        let mut should_resize_renderer = false;
+        if lock.restore_from_minimized.is_some() {
+            lock.callbacks.request_frame = lock.restore_from_minimized.take();
+        } else {
+            should_resize_renderer = true;
+        }
+        drop(lock);
 
-    if handled {
-        lock.system_key_handled = true;
+        self.handle_size_change(new_size, scale_factor, should_resize_renderer);
         Some(0)
-    } else {
-        // we need to call `DefWindowProcW`, or we will lose the system-wide `Alt+F4`, `Alt+{other keys}`
-        // shortcuts.
+    }
+
+    fn handle_size_change(
+        &self,
+        device_size: Size<DevicePixels>,
+        scale_factor: f32,
+        should_resize_renderer: bool,
+    ) {
+        let new_logical_size = device_size.to_pixels(scale_factor);
+        let mut lock = self.state.borrow_mut();
+        lock.logical_size = new_logical_size;
+        if should_resize_renderer {
+            lock.renderer.resize(device_size).log_err();
+        }
+        if let Some(mut callback) = lock.callbacks.resize.take() {
+            drop(lock);
+            callback(new_logical_size, scale_factor);
+            self.state.borrow_mut().callbacks.resize = Some(callback);
+        }
+    }
+
+    fn handle_size_move_loop(&self, handle: HWND) -> Option<isize> {
+        unsafe {
+            let ret = SetTimer(
+                Some(handle),
+                SIZE_MOVE_LOOP_TIMER_ID,
+                USER_TIMER_MINIMUM,
+                None,
+            );
+            if ret == 0 {
+                log::error!(
+                    "unable to create timer: {}",
+                    std::io::Error::last_os_error()
+                );
+            }
+        }
         None
     }
-}
 
-fn handle_syskeyup_msg(
-    handle: HWND,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let mut lock = state_ptr.state.borrow_mut();
-    let input = handle_key_event(handle, wparam, lparam, &mut lock, |keystroke| {
-        PlatformInput::KeyUp(KeyUpEvent { keystroke })
-    })?;
-    let mut func = lock.callbacks.input.take()?;
-    drop(lock);
-    func(input);
-    state_ptr.state.borrow_mut().callbacks.input = Some(func);
-
-    // Always return 0 to indicate that the message was handled, so we could properly handle `ModifiersChanged` event.
-    Some(0)
-}
-
-// It's a known bug that you can't trigger `ctrl-shift-0`. See:
-// https://superuser.com/questions/1455762/ctrl-shift-number-key-combination-has-stopped-working-for-a-few-numbers
-fn handle_keydown_msg(
-    handle: HWND,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let mut lock = state_ptr.state.borrow_mut();
-    let Some(input) = handle_key_event(handle, wparam, lparam, &mut lock, |keystroke| {
-        PlatformInput::KeyDown(KeyDownEvent {
-            keystroke,
-            is_held: lparam.0 & (0x1 << 30) > 0,
-        })
-    }) else {
-        return Some(1);
-    };
-    drop(lock);
-
-    let is_composing = with_input_handler(&state_ptr, |input_handler| {
-        input_handler.marked_text_range()
-    })
-    .flatten()
-    .is_some();
-    if is_composing {
-        translate_message(handle, wparam, lparam);
-        return Some(0);
+    fn handle_size_move_loop_exit(&self, handle: HWND) -> Option<isize> {
+        unsafe {
+            KillTimer(Some(handle), SIZE_MOVE_LOOP_TIMER_ID).log_err();
+        }
+        None
     }
 
-    let Some(mut func) = state_ptr.state.borrow_mut().callbacks.input.take() else {
-        return Some(1);
-    };
+    fn handle_timer_msg(&self, handle: HWND, wparam: WPARAM) -> Option<isize> {
+        if wparam.0 == SIZE_MOVE_LOOP_TIMER_ID {
+            for runnable in self.main_receiver.drain() {
+                runnable.run();
+            }
+            self.handle_paint_msg(handle)
+        } else {
+            None
+        }
+    }
 
-    let handled = !func(input).propagate;
+    fn handle_paint_msg(&self, handle: HWND) -> Option<isize> {
+        self.draw_window(handle, false)
+    }
 
-    state_ptr.state.borrow_mut().callbacks.input = Some(func);
+    fn handle_close_msg(&self) -> Option<isize> {
+        let mut callback = self.state.borrow_mut().callbacks.should_close.take()?;
+        let should_close = callback();
+        self.state.borrow_mut().callbacks.should_close = Some(callback);
+        if should_close { None } else { Some(0) }
+    }
 
-    if handled {
+    fn handle_destroy_msg(&self, handle: HWND) -> Option<isize> {
+        let callback = {
+            let mut lock = self.state.borrow_mut();
+            lock.callbacks.close.take()
+        };
+        if let Some(callback) = callback {
+            callback();
+        }
+        unsafe {
+            PostThreadMessageW(
+                self.main_thread_id_win32,
+                WM_GPUI_CLOSE_ONE_WINDOW,
+                WPARAM(self.validation_number),
+                LPARAM(handle.0 as isize),
+            )
+            .log_err();
+        }
         Some(0)
-    } else {
-        translate_message(handle, wparam, lparam);
-        Some(1)
     }
-}
 
-fn handle_keyup_msg(
-    handle: HWND,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let mut lock = state_ptr.state.borrow_mut();
-    let Some(input) = handle_key_event(handle, wparam, lparam, &mut lock, |keystroke| {
-        PlatformInput::KeyUp(KeyUpEvent { keystroke })
-    }) else {
-        return Some(1);
-    };
+    fn handle_mouse_move_msg(&self, handle: HWND, lparam: LPARAM, wparam: WPARAM) -> Option<isize> {
+        self.start_tracking_mouse(handle, TME_LEAVE);
 
-    let Some(mut func) = lock.callbacks.input.take() else {
-        return Some(1);
-    };
-    drop(lock);
+        let mut lock = self.state.borrow_mut();
+        let Some(mut func) = lock.callbacks.input.take() else {
+            return Some(1);
+        };
+        let scale_factor = lock.scale_factor;
+        drop(lock);
 
-    let handled = !func(input).propagate;
-    state_ptr.state.borrow_mut().callbacks.input = Some(func);
+        let pressed_button = match MODIFIERKEYS_FLAGS(wparam.loword() as u32) {
+            flags if flags.contains(MK_LBUTTON) => Some(MouseButton::Left),
+            flags if flags.contains(MK_RBUTTON) => Some(MouseButton::Right),
+            flags if flags.contains(MK_MBUTTON) => Some(MouseButton::Middle),
+            flags if flags.contains(MK_XBUTTON1) => {
+                Some(MouseButton::Navigate(NavigationDirection::Back))
+            }
+            flags if flags.contains(MK_XBUTTON2) => {
+                Some(MouseButton::Navigate(NavigationDirection::Forward))
+            }
+            _ => None,
+        };
+        let x = lparam.signed_loword() as f32;
+        let y = lparam.signed_hiword() as f32;
+        let input = PlatformInput::MouseMove(MouseMoveEvent {
+            position: logical_point(x, y, scale_factor),
+            pressed_button,
+            modifiers: current_modifiers(),
+        });
+        let handled = !func(input).propagate;
+        self.state.borrow_mut().callbacks.input = Some(func);
 
-    if handled { Some(0) } else { Some(1) }
-}
+        if handled { Some(0) } else { Some(1) }
+    }
 
-fn handle_char_msg(wparam: WPARAM, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    let input = parse_char_message(wparam, &state_ptr)?;
-    with_input_handler(&state_ptr, |input_handler| {
-        input_handler.replace_text_in_range(None, &input);
-    });
+    fn handle_mouse_leave_msg(&self) -> Option<isize> {
+        let mut lock = self.state.borrow_mut();
+        lock.hovered = false;
+        if let Some(mut callback) = lock.callbacks.hovered_status_change.take() {
+            drop(lock);
+            callback(false);
+            self.state.borrow_mut().callbacks.hovered_status_change = Some(callback);
+        }
 
-    Some(0)
-}
+        Some(0)
+    }
 
-fn handle_dead_char_msg(wparam: WPARAM, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    let ch = char::from_u32(wparam.0 as u32)?.to_string();
-    with_input_handler(&state_ptr, |input_handler| {
-        input_handler.replace_and_mark_text_in_range(None, &ch, None);
-    });
-    None
-}
+    fn handle_syskeydown_msg(&self, handle: HWND, wparam: WPARAM, lparam: LPARAM) -> Option<isize> {
+        let mut lock = self.state.borrow_mut();
+        let input = handle_key_event(handle, wparam, lparam, &mut lock, |keystroke| {
+            PlatformInput::KeyDown(KeyDownEvent {
+                keystroke,
+                is_held: lparam.0 & (0x1 << 30) > 0,
+            })
+        })?;
+        let mut func = lock.callbacks.input.take()?;
+        drop(lock);
 
-fn handle_mouse_down_msg(
-    handle: HWND,
-    button: MouseButton,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    unsafe { SetCapture(handle) };
-    let mut lock = state_ptr.state.borrow_mut();
-    let Some(mut func) = lock.callbacks.input.take() else {
-        return Some(1);
-    };
-    let x = lparam.signed_loword();
-    let y = lparam.signed_hiword();
-    let physical_point = point(DevicePixels(x as i32), DevicePixels(y as i32));
-    let click_count = lock.click_state.update(button, physical_point);
-    let scale_factor = lock.scale_factor;
-    drop(lock);
+        let handled = !func(input).propagate;
 
-    let input = PlatformInput::MouseDown(MouseDownEvent {
-        button,
-        position: logical_point(x as f32, y as f32, scale_factor),
-        modifiers: current_modifiers(),
-        click_count,
-        first_mouse: false,
-    });
-    let handled = !func(input).propagate;
-    state_ptr.state.borrow_mut().callbacks.input = Some(func);
+        let mut lock = self.state.borrow_mut();
+        lock.callbacks.input = Some(func);
 
-    if handled { Some(0) } else { Some(1) }
-}
+        if handled {
+            lock.system_key_handled = true;
+            Some(0)
+        } else {
+            // we need to call `DefWindowProcW`, or we will lose the system-wide `Alt+F4`, `Alt+{other keys}`
+            // shortcuts.
+            None
+        }
+    }
 
-fn handle_mouse_up_msg(
-    _handle: HWND,
-    button: MouseButton,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    unsafe { ReleaseCapture().log_err() };
-    let mut lock = state_ptr.state.borrow_mut();
-    let Some(mut func) = lock.callbacks.input.take() else {
-        return Some(1);
-    };
-    let x = lparam.signed_loword() as f32;
-    let y = lparam.signed_hiword() as f32;
-    let click_count = lock.click_state.current_count;
-    let scale_factor = lock.scale_factor;
-    drop(lock);
+    fn handle_syskeyup_msg(&self, handle: HWND, wparam: WPARAM, lparam: LPARAM) -> Option<isize> {
+        let mut lock = self.state.borrow_mut();
+        let input = handle_key_event(handle, wparam, lparam, &mut lock, |keystroke| {
+            PlatformInput::KeyUp(KeyUpEvent { keystroke })
+        })?;
+        let mut func = lock.callbacks.input.take()?;
+        drop(lock);
+        func(input);
+        self.state.borrow_mut().callbacks.input = Some(func);
 
-    let input = PlatformInput::MouseUp(MouseUpEvent {
-        button,
-        position: logical_point(x, y, scale_factor),
-        modifiers: current_modifiers(),
-        click_count,
-    });
-    let handled = !func(input).propagate;
-    state_ptr.state.borrow_mut().callbacks.input = Some(func);
+        // Always return 0 to indicate that the message was handled, so we could properly handle `ModifiersChanged` event.
+        Some(0)
+    }
 
-    if handled { Some(0) } else { Some(1) }
-}
+    // It's a known bug that you can't trigger `ctrl-shift-0`. See:
+    // https://superuser.com/questions/1455762/ctrl-shift-number-key-combination-has-stopped-working-for-a-few-numbers
+    fn handle_keydown_msg(&self, handle: HWND, wparam: WPARAM, lparam: LPARAM) -> Option<isize> {
+        let mut lock = self.state.borrow_mut();
+        let Some(input) = handle_key_event(handle, wparam, lparam, &mut lock, |keystroke| {
+            PlatformInput::KeyDown(KeyDownEvent {
+                keystroke,
+                is_held: lparam.0 & (0x1 << 30) > 0,
+            })
+        }) else {
+            return Some(1);
+        };
+        drop(lock);
 
-fn handle_xbutton_msg(
-    handle: HWND,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    handler: impl Fn(HWND, MouseButton, LPARAM, Rc<WindowsWindowStatePtr>) -> Option<isize>,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let nav_dir = match wparam.hiword() {
-        XBUTTON1 => NavigationDirection::Back,
-        XBUTTON2 => NavigationDirection::Forward,
-        _ => return Some(1),
-    };
-    handler(handle, MouseButton::Navigate(nav_dir), lparam, state_ptr)
-}
+        let is_composing = self
+            .with_input_handler(|input_handler| input_handler.marked_text_range())
+            .flatten()
+            .is_some();
+        if is_composing {
+            translate_message(handle, wparam, lparam);
+            return Some(0);
+        }
 
-fn handle_mouse_wheel_msg(
-    handle: HWND,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let modifiers = current_modifiers();
-    let mut lock = state_ptr.state.borrow_mut();
-    let Some(mut func) = lock.callbacks.input.take() else {
-        return Some(1);
-    };
-    let scale_factor = lock.scale_factor;
-    let wheel_scroll_amount = match modifiers.shift {
-        true => lock.system_settings.mouse_wheel_settings.wheel_scroll_chars,
-        false => lock.system_settings.mouse_wheel_settings.wheel_scroll_lines,
-    };
-    drop(lock);
+        let Some(mut func) = self.state.borrow_mut().callbacks.input.take() else {
+            return Some(1);
+        };
 
-    let wheel_distance =
-        (wparam.signed_hiword() as f32 / WHEEL_DELTA as f32) * wheel_scroll_amount as f32;
-    let mut cursor_point = POINT {
-        x: lparam.signed_loword().into(),
-        y: lparam.signed_hiword().into(),
-    };
-    unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
-    let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
-        position: logical_point(cursor_point.x as f32, cursor_point.y as f32, scale_factor),
-        delta: ScrollDelta::Lines(match modifiers.shift {
-            true => Point {
+        let handled = !func(input).propagate;
+
+        self.state.borrow_mut().callbacks.input = Some(func);
+
+        if handled {
+            Some(0)
+        } else {
+            translate_message(handle, wparam, lparam);
+            Some(1)
+        }
+    }
+
+    fn handle_keyup_msg(&self, handle: HWND, wparam: WPARAM, lparam: LPARAM) -> Option<isize> {
+        let mut lock = self.state.borrow_mut();
+        let Some(input) = handle_key_event(handle, wparam, lparam, &mut lock, |keystroke| {
+            PlatformInput::KeyUp(KeyUpEvent { keystroke })
+        }) else {
+            return Some(1);
+        };
+
+        let Some(mut func) = lock.callbacks.input.take() else {
+            return Some(1);
+        };
+        drop(lock);
+
+        let handled = !func(input).propagate;
+        self.state.borrow_mut().callbacks.input = Some(func);
+
+        if handled { Some(0) } else { Some(1) }
+    }
+
+    fn handle_char_msg(&self, wparam: WPARAM) -> Option<isize> {
+        let input = self.parse_char_message(wparam)?;
+        self.with_input_handler(|input_handler| {
+            input_handler.replace_text_in_range(None, &input);
+        });
+
+        Some(0)
+    }
+
+    fn handle_dead_char_msg(&self, wparam: WPARAM) -> Option<isize> {
+        let ch = char::from_u32(wparam.0 as u32)?.to_string();
+        self.with_input_handler(|input_handler| {
+            input_handler.replace_and_mark_text_in_range(None, &ch, None);
+        });
+        None
+    }
+
+    fn handle_mouse_down_msg(
+        &self,
+        handle: HWND,
+        button: MouseButton,
+        lparam: LPARAM,
+    ) -> Option<isize> {
+        unsafe { SetCapture(handle) };
+        let mut lock = self.state.borrow_mut();
+        let Some(mut func) = lock.callbacks.input.take() else {
+            return Some(1);
+        };
+        let x = lparam.signed_loword();
+        let y = lparam.signed_hiword();
+        let physical_point = point(DevicePixels(x as i32), DevicePixels(y as i32));
+        let click_count = lock.click_state.update(button, physical_point);
+        let scale_factor = lock.scale_factor;
+        drop(lock);
+
+        let input = PlatformInput::MouseDown(MouseDownEvent {
+            button,
+            position: logical_point(x as f32, y as f32, scale_factor),
+            modifiers: current_modifiers(),
+            click_count,
+            first_mouse: false,
+        });
+        let handled = !func(input).propagate;
+        self.state.borrow_mut().callbacks.input = Some(func);
+
+        if handled { Some(0) } else { Some(1) }
+    }
+
+    fn handle_mouse_up_msg(
+        &self,
+        _handle: HWND,
+        button: MouseButton,
+        lparam: LPARAM,
+    ) -> Option<isize> {
+        unsafe { ReleaseCapture().log_err() };
+        let mut lock = self.state.borrow_mut();
+        let Some(mut func) = lock.callbacks.input.take() else {
+            return Some(1);
+        };
+        let x = lparam.signed_loword() as f32;
+        let y = lparam.signed_hiword() as f32;
+        let click_count = lock.click_state.current_count;
+        let scale_factor = lock.scale_factor;
+        drop(lock);
+
+        let input = PlatformInput::MouseUp(MouseUpEvent {
+            button,
+            position: logical_point(x, y, scale_factor),
+            modifiers: current_modifiers(),
+            click_count,
+        });
+        let handled = !func(input).propagate;
+        self.state.borrow_mut().callbacks.input = Some(func);
+
+        if handled { Some(0) } else { Some(1) }
+    }
+
+    fn handle_xbutton_msg(
+        &self,
+        handle: HWND,
+        wparam: WPARAM,
+        lparam: LPARAM,
+        handler: impl Fn(&Self, HWND, MouseButton, LPARAM) -> Option<isize>,
+    ) -> Option<isize> {
+        let nav_dir = match wparam.hiword() {
+            XBUTTON1 => NavigationDirection::Back,
+            XBUTTON2 => NavigationDirection::Forward,
+            _ => return Some(1),
+        };
+        handler(self, handle, MouseButton::Navigate(nav_dir), lparam)
+    }
+
+    fn handle_mouse_wheel_msg(
+        &self,
+        handle: HWND,
+        wparam: WPARAM,
+        lparam: LPARAM,
+    ) -> Option<isize> {
+        let modifiers = current_modifiers();
+        let mut lock = self.state.borrow_mut();
+        let Some(mut func) = lock.callbacks.input.take() else {
+            return Some(1);
+        };
+        let scale_factor = lock.scale_factor;
+        let wheel_scroll_amount = match modifiers.shift {
+            true => lock.system_settings.mouse_wheel_settings.wheel_scroll_chars,
+            false => lock.system_settings.mouse_wheel_settings.wheel_scroll_lines,
+        };
+        drop(lock);
+
+        let wheel_distance =
+            (wparam.signed_hiword() as f32 / WHEEL_DELTA as f32) * wheel_scroll_amount as f32;
+        let mut cursor_point = POINT {
+            x: lparam.signed_loword().into(),
+            y: lparam.signed_hiword().into(),
+        };
+        unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
+        let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
+            position: logical_point(cursor_point.x as f32, cursor_point.y as f32, scale_factor),
+            delta: ScrollDelta::Lines(match modifiers.shift {
+                true => Point {
+                    x: wheel_distance,
+                    y: 0.0,
+                },
+                false => Point {
+                    y: wheel_distance,
+                    x: 0.0,
+                },
+            }),
+            modifiers,
+            touch_phase: TouchPhase::Moved,
+        });
+        let handled = !func(input).propagate;
+        self.state.borrow_mut().callbacks.input = Some(func);
+
+        if handled { Some(0) } else { Some(1) }
+    }
+
+    fn handle_mouse_horizontal_wheel_msg(
+        &self,
+        handle: HWND,
+        wparam: WPARAM,
+        lparam: LPARAM,
+    ) -> Option<isize> {
+        let mut lock = self.state.borrow_mut();
+        let Some(mut func) = lock.callbacks.input.take() else {
+            return Some(1);
+        };
+        let scale_factor = lock.scale_factor;
+        let wheel_scroll_chars = lock.system_settings.mouse_wheel_settings.wheel_scroll_chars;
+        drop(lock);
+
+        let wheel_distance =
+            (-wparam.signed_hiword() as f32 / WHEEL_DELTA as f32) * wheel_scroll_chars as f32;
+        let mut cursor_point = POINT {
+            x: lparam.signed_loword().into(),
+            y: lparam.signed_hiword().into(),
+        };
+        unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
+        let event = PlatformInput::ScrollWheel(ScrollWheelEvent {
+            position: logical_point(cursor_point.x as f32, cursor_point.y as f32, scale_factor),
+            delta: ScrollDelta::Lines(Point {
                 x: wheel_distance,
                 y: 0.0,
-            },
-            false => Point {
-                y: wheel_distance,
-                x: 0.0,
-            },
-        }),
-        modifiers,
-        touch_phase: TouchPhase::Moved,
-    });
-    let handled = !func(input).propagate;
-    state_ptr.state.borrow_mut().callbacks.input = Some(func);
+            }),
+            modifiers: current_modifiers(),
+            touch_phase: TouchPhase::Moved,
+        });
+        let handled = !func(event).propagate;
+        self.state.borrow_mut().callbacks.input = Some(func);
 
-    if handled { Some(0) } else { Some(1) }
-}
+        if handled { Some(0) } else { Some(1) }
+    }
 
-fn handle_mouse_horizontal_wheel_msg(
-    handle: HWND,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let mut lock = state_ptr.state.borrow_mut();
-    let Some(mut func) = lock.callbacks.input.take() else {
-        return Some(1);
-    };
-    let scale_factor = lock.scale_factor;
-    let wheel_scroll_chars = lock.system_settings.mouse_wheel_settings.wheel_scroll_chars;
-    drop(lock);
-
-    let wheel_distance =
-        (-wparam.signed_hiword() as f32 / WHEEL_DELTA as f32) * wheel_scroll_chars as f32;
-    let mut cursor_point = POINT {
-        x: lparam.signed_loword().into(),
-        y: lparam.signed_hiword().into(),
-    };
-    unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
-    let event = PlatformInput::ScrollWheel(ScrollWheelEvent {
-        position: logical_point(cursor_point.x as f32, cursor_point.y as f32, scale_factor),
-        delta: ScrollDelta::Lines(Point {
-            x: wheel_distance,
-            y: 0.0,
-        }),
-        modifiers: current_modifiers(),
-        touch_phase: TouchPhase::Moved,
-    });
-    let handled = !func(event).propagate;
-    state_ptr.state.borrow_mut().callbacks.input = Some(func);
-
-    if handled { Some(0) } else { Some(1) }
-}
-
-fn retrieve_caret_position(state_ptr: &Rc<WindowsWindowStatePtr>) -> Option<POINT> {
-    with_input_handler_and_scale_factor(state_ptr, |input_handler, scale_factor| {
-        let caret_range = input_handler.selected_text_range(false)?;
-        let caret_position = input_handler.bounds_for_range(caret_range.range)?;
-        Some(POINT {
-            // logical to physical
-            x: (caret_position.origin.x.0 * scale_factor) as i32,
-            y: (caret_position.origin.y.0 * scale_factor) as i32
-                + ((caret_position.size.height.0 * scale_factor) as i32 / 2),
+    fn retrieve_caret_position(&self) -> Option<POINT> {
+        self.with_input_handler_and_scale_factor(|input_handler, scale_factor| {
+            let caret_range = input_handler.selected_text_range(false)?;
+            let caret_position = input_handler.bounds_for_range(caret_range.range)?;
+            Some(POINT {
+                // logical to physical
+                x: (caret_position.origin.x.0 * scale_factor) as i32,
+                y: (caret_position.origin.y.0 * scale_factor) as i32
+                    + ((caret_position.size.height.0 * scale_factor) as i32 / 2),
+            })
         })
-    })
-}
+    }
 
-fn handle_ime_position(handle: HWND, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    unsafe {
-        let ctx = ImmGetContext(handle);
+    fn handle_ime_position(&self, handle: HWND) -> Option<isize> {
+        unsafe {
+            let ctx = ImmGetContext(handle);
 
-        let Some(caret_position) = retrieve_caret_position(&state_ptr) else {
-            return Some(0);
-        };
-        {
-            let config = COMPOSITIONFORM {
-                dwStyle: CFS_POINT,
-                ptCurrentPos: caret_position,
-                ..Default::default()
+            let Some(caret_position) = self.retrieve_caret_position() else {
+                return Some(0);
             };
-            ImmSetCompositionWindow(ctx, &config as _).ok().log_err();
+            {
+                let config = COMPOSITIONFORM {
+                    dwStyle: CFS_POINT,
+                    ptCurrentPos: caret_position,
+                    ..Default::default()
+                };
+                ImmSetCompositionWindow(ctx, &config as _).ok().log_err();
+            }
+            {
+                let config = CANDIDATEFORM {
+                    dwStyle: CFS_CANDIDATEPOS,
+                    ptCurrentPos: caret_position,
+                    ..Default::default()
+                };
+                ImmSetCandidateWindow(ctx, &config as _).ok().log_err();
+            }
+            ImmReleaseContext(handle, ctx).ok().log_err();
+            Some(0)
         }
-        {
-            let config = CANDIDATEFORM {
-                dwStyle: CFS_CANDIDATEPOS,
-                ptCurrentPos: caret_position,
-                ..Default::default()
-            };
-            ImmSetCandidateWindow(ctx, &config as _).ok().log_err();
-        }
-        ImmReleaseContext(handle, ctx).ok().log_err();
-        Some(0)
     }
-}
 
-fn handle_ime_composition(
-    handle: HWND,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let ctx = unsafe { ImmGetContext(handle) };
-    let result = handle_ime_composition_inner(ctx, lparam, state_ptr);
-    unsafe { ImmReleaseContext(handle, ctx).ok().log_err() };
-    result
-}
+    fn handle_ime_composition(&self, handle: HWND, lparam: LPARAM) -> Option<isize> {
+        let ctx = unsafe { ImmGetContext(handle) };
+        let result = self.handle_ime_composition_inner(ctx, lparam);
+        unsafe { ImmReleaseContext(handle, ctx).ok().log_err() };
+        result
+    }
 
-fn handle_ime_composition_inner(
-    ctx: HIMC,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let lparam = lparam.0 as u32;
-    if lparam == 0 {
-        // Japanese IME may send this message with lparam = 0, which indicates that
-        // there is no composition string.
-        with_input_handler(&state_ptr, |input_handler| {
-            input_handler.replace_text_in_range(None, "");
-        })?;
-        Some(0)
-    } else {
-        if lparam & GCS_COMPSTR.0 > 0 {
-            let comp_string = parse_ime_composition_string(ctx, GCS_COMPSTR)?;
-            let caret_pos = (!comp_string.is_empty() && lparam & GCS_CURSORPOS.0 > 0).then(|| {
-                let pos = retrieve_composition_cursor_position(ctx);
-                pos..pos
-            });
-            with_input_handler(&state_ptr, |input_handler| {
-                input_handler.replace_and_mark_text_in_range(None, &comp_string, caret_pos);
+    fn handle_ime_composition_inner(&self, ctx: HIMC, lparam: LPARAM) -> Option<isize> {
+        let lparam = lparam.0 as u32;
+        if lparam == 0 {
+            // Japanese IME may send this message with lparam = 0, which indicates that
+            // there is no composition string.
+            self.with_input_handler(|input_handler| {
+                input_handler.replace_text_in_range(None, "");
             })?;
-        }
-        if lparam & GCS_RESULTSTR.0 > 0 {
-            let comp_result = parse_ime_composition_string(ctx, GCS_RESULTSTR)?;
-            with_input_handler(&state_ptr, |input_handler| {
-                input_handler.replace_text_in_range(None, &comp_result);
-            })?;
-            return Some(0);
-        }
+            Some(0)
+        } else {
+            if lparam & GCS_COMPSTR.0 > 0 {
+                let comp_string = parse_ime_composition_string(ctx, GCS_COMPSTR)?;
+                let caret_pos =
+                    (!comp_string.is_empty() && lparam & GCS_CURSORPOS.0 > 0).then(|| {
+                        let pos = retrieve_composition_cursor_position(ctx);
+                        pos..pos
+                    });
+                self.with_input_handler(|input_handler| {
+                    input_handler.replace_and_mark_text_in_range(None, &comp_string, caret_pos);
+                })?;
+            }
+            if lparam & GCS_RESULTSTR.0 > 0 {
+                let comp_result = parse_ime_composition_string(ctx, GCS_RESULTSTR)?;
+                self.with_input_handler(|input_handler| {
+                    input_handler.replace_text_in_range(None, &comp_result);
+                })?;
+                return Some(0);
+            }
 
-        // currently, we don't care other stuff
-        None
-    }
-}
-
-/// SEE: https://learn.microsoft.com/en-us/windows/win32/winmsg/wm-nccalcsize
-fn handle_calc_client_size(
-    handle: HWND,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    if !state_ptr.hide_title_bar || state_ptr.state.borrow().is_fullscreen() || wparam.0 == 0 {
-        return None;
+            // currently, we don't care other stuff
+            None
+        }
     }
 
-    let is_maximized = state_ptr.state.borrow().is_maximized();
-    let insets = get_client_area_insets(handle, is_maximized, state_ptr.windows_version);
-    // wparam is TRUE so lparam points to an NCCALCSIZE_PARAMS structure
-    let mut params = lparam.0 as *mut NCCALCSIZE_PARAMS;
-    let mut requested_client_rect = unsafe { &mut ((*params).rgrc) };
+    /// SEE: https://learn.microsoft.com/en-us/windows/win32/winmsg/wm-nccalcsize
+    fn handle_calc_client_size(
+        &self,
+        handle: HWND,
+        wparam: WPARAM,
+        lparam: LPARAM,
+    ) -> Option<isize> {
+        if !self.hide_title_bar || self.state.borrow().is_fullscreen() || wparam.0 == 0 {
+            return None;
+        }
 
-    requested_client_rect[0].left += insets.left;
-    requested_client_rect[0].top += insets.top;
-    requested_client_rect[0].right -= insets.right;
-    requested_client_rect[0].bottom -= insets.bottom;
+        let is_maximized = self.state.borrow().is_maximized();
+        let insets = get_client_area_insets(handle, is_maximized, self.windows_version);
+        // wparam is TRUE so lparam points to an NCCALCSIZE_PARAMS structure
+        let mut params = lparam.0 as *mut NCCALCSIZE_PARAMS;
+        let mut requested_client_rect = unsafe { &mut ((*params).rgrc) };
 
-    // Fix auto hide taskbar not showing. This solution is based on the approach
-    // used by Chrome. However, it may result in one row of pixels being obscured
-    // in our client area. But as Chrome says, "there seems to be no better solution."
-    if is_maximized {
-        if let Some(ref taskbar_position) = state_ptr
-            .state
-            .borrow()
-            .system_settings
-            .auto_hide_taskbar_position
+        requested_client_rect[0].left += insets.left;
+        requested_client_rect[0].top += insets.top;
+        requested_client_rect[0].right -= insets.right;
+        requested_client_rect[0].bottom -= insets.bottom;
+
+        // Fix auto hide taskbar not showing. This solution is based on the approach
+        // used by Chrome. However, it may result in one row of pixels being obscured
+        // in our client area. But as Chrome says, "there seems to be no better solution."
+        if is_maximized
+            && let Some(ref taskbar_position) = self
+                .state
+                .borrow()
+                .system_settings
+                .auto_hide_taskbar_position
         {
             // Fot the auto-hide taskbar, adjust in by 1 pixel on taskbar edge,
             // so the window isn't treated as a "fullscreen app", which would cause
@@ -753,527 +726,550 @@ fn handle_calc_client_size(
                 }
             }
         }
-    }
 
-    Some(0)
-}
-
-fn handle_activate_msg(wparam: WPARAM, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    let activated = wparam.loword() > 0;
-    let this = state_ptr.clone();
-    state_ptr
-        .executor
-        .spawn(async move {
-            let mut lock = this.state.borrow_mut();
-            if let Some(mut func) = lock.callbacks.active_status_change.take() {
-                drop(lock);
-                func(activated);
-                this.state.borrow_mut().callbacks.active_status_change = Some(func);
-            }
-        })
-        .detach();
-
-    None
-}
-
-fn handle_create_msg(handle: HWND, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    if state_ptr.hide_title_bar {
-        notify_frame_changed(handle);
         Some(0)
-    } else {
-        None
-    }
-}
-
-fn handle_dpi_changed_msg(
-    handle: HWND,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let new_dpi = wparam.loword() as f32;
-    let mut lock = state_ptr.state.borrow_mut();
-    lock.scale_factor = new_dpi / USER_DEFAULT_SCREEN_DPI as f32;
-    lock.border_offset.update(handle).log_err();
-    drop(lock);
-
-    let rect = unsafe { &*(lparam.0 as *const RECT) };
-    let width = rect.right - rect.left;
-    let height = rect.bottom - rect.top;
-    // this will emit `WM_SIZE` and `WM_MOVE` right here
-    // even before this function returns
-    // the new size is handled in `WM_SIZE`
-    unsafe {
-        SetWindowPos(
-            handle,
-            None,
-            rect.left,
-            rect.top,
-            width,
-            height,
-            SWP_NOZORDER | SWP_NOACTIVATE,
-        )
-        .context("unable to set window position after dpi has changed")
-        .log_err();
     }
 
-    Some(0)
-}
-
-/// The following conditions will trigger this event:
-/// 1. The monitor on which the window is located goes offline or changes resolution.
-/// 2. Another monitor goes offline, is plugged in, or changes resolution.
-///
-/// In either case, the window will only receive information from the monitor on which
-/// it is located.
-///
-/// For example, in the case of condition 2, where the monitor on which the window is
-/// located has actually changed nothing, it will still receive this event.
-fn handle_display_change_msg(handle: HWND, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    // NOTE:
-    // Even the `lParam` holds the resolution of the screen, we just ignore it.
-    // Because WM_DPICHANGED, WM_MOVE, WM_SIZE will come first, window reposition and resize
-    // are handled there.
-    // So we only care about if monitor is disconnected.
-    let previous_monitor = state_ptr.state.borrow().display;
-    if WindowsDisplay::is_connected(previous_monitor.handle) {
-        // we are fine, other display changed
-        return None;
-    }
-    // display disconnected
-    // in this case, the OS will move our window to another monitor, and minimize it.
-    // we deminimize the window and query the monitor after moving
-    unsafe {
-        let _ = ShowWindow(handle, SW_SHOWNORMAL);
-    };
-    let new_monitor = unsafe { MonitorFromWindow(handle, MONITOR_DEFAULTTONULL) };
-    // all monitors disconnected
-    if new_monitor.is_invalid() {
-        log::error!("No monitor detected!");
-        return None;
-    }
-    let new_display = WindowsDisplay::new_with_handle(new_monitor);
-    state_ptr.state.borrow_mut().display = new_display;
-    Some(0)
-}
-
-fn handle_hit_test_msg(
-    handle: HWND,
-    msg: u32,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    if !state_ptr.is_movable || state_ptr.state.borrow().is_fullscreen() {
-        return None;
-    }
-
-    let mut lock = state_ptr.state.borrow_mut();
-    if let Some(mut callback) = lock.callbacks.hit_test_window_control.take() {
-        drop(lock);
-        let area = callback();
-        state_ptr
-            .state
-            .borrow_mut()
-            .callbacks
-            .hit_test_window_control = Some(callback);
-        if let Some(area) = area {
-            return match area {
-                WindowControlArea::Drag => Some(HTCAPTION as _),
-                WindowControlArea::Close => Some(HTCLOSE as _),
-                WindowControlArea::Max => Some(HTMAXBUTTON as _),
-                WindowControlArea::Min => Some(HTMINBUTTON as _),
-            };
-        }
-    } else {
-        drop(lock);
-    }
-
-    if !state_ptr.hide_title_bar {
-        // If the OS draws the title bar, we don't need to handle hit test messages.
-        return None;
-    }
-
-    // default handler for resize areas
-    let hit = unsafe { DefWindowProcW(handle, msg, wparam, lparam) };
-    if matches!(
-        hit.0 as u32,
-        HTNOWHERE
-            | HTRIGHT
-            | HTLEFT
-            | HTTOPLEFT
-            | HTTOP
-            | HTTOPRIGHT
-            | HTBOTTOMRIGHT
-            | HTBOTTOM
-            | HTBOTTOMLEFT
-    ) {
-        return Some(hit.0);
-    }
-
-    if state_ptr.state.borrow().is_fullscreen() {
-        return Some(HTCLIENT as _);
-    }
-
-    let dpi = unsafe { GetDpiForWindow(handle) };
-    let frame_y = unsafe { GetSystemMetricsForDpi(SM_CYFRAME, dpi) };
-
-    let mut cursor_point = POINT {
-        x: lparam.signed_loword().into(),
-        y: lparam.signed_hiword().into(),
-    };
-    unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
-    if !state_ptr.state.borrow().is_maximized() && cursor_point.y >= 0 && cursor_point.y <= frame_y
-    {
-        return Some(HTTOP as _);
-    }
-
-    Some(HTCLIENT as _)
-}
-
-fn handle_nc_mouse_move_msg(
-    handle: HWND,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    start_tracking_mouse(handle, &state_ptr, TME_LEAVE | TME_NONCLIENT);
-
-    let mut lock = state_ptr.state.borrow_mut();
-    let mut func = lock.callbacks.input.take()?;
-    let scale_factor = lock.scale_factor;
-    drop(lock);
-
-    let mut cursor_point = POINT {
-        x: lparam.signed_loword().into(),
-        y: lparam.signed_hiword().into(),
-    };
-    unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
-    let input = PlatformInput::MouseMove(MouseMoveEvent {
-        position: logical_point(cursor_point.x as f32, cursor_point.y as f32, scale_factor),
-        pressed_button: None,
-        modifiers: current_modifiers(),
-    });
-    let handled = !func(input).propagate;
-    state_ptr.state.borrow_mut().callbacks.input = Some(func);
-
-    if handled { Some(0) } else { None }
-}
-
-fn handle_nc_mouse_down_msg(
-    handle: HWND,
-    button: MouseButton,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let mut lock = state_ptr.state.borrow_mut();
-    if let Some(mut func) = lock.callbacks.input.take() {
-        let scale_factor = lock.scale_factor;
-        let mut cursor_point = POINT {
-            x: lparam.signed_loword().into(),
-            y: lparam.signed_hiword().into(),
-        };
-        unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
-        let physical_point = point(DevicePixels(cursor_point.x), DevicePixels(cursor_point.y));
-        let click_count = lock.click_state.update(button, physical_point);
-        drop(lock);
-
-        let input = PlatformInput::MouseDown(MouseDownEvent {
-            button,
-            position: logical_point(cursor_point.x as f32, cursor_point.y as f32, scale_factor),
-            modifiers: current_modifiers(),
-            click_count,
-            first_mouse: false,
-        });
-        let result = func(input.clone());
-        let handled = !result.propagate || result.default_prevented;
-        state_ptr.state.borrow_mut().callbacks.input = Some(func);
-
-        if handled {
-            return Some(0);
-        }
-    } else {
-        drop(lock);
-    };
-
-    // Since these are handled in handle_nc_mouse_up_msg we must prevent the default window proc
-    if button == MouseButton::Left {
-        match wparam.0 as u32 {
-            HTMINBUTTON => state_ptr.state.borrow_mut().nc_button_pressed = Some(HTMINBUTTON),
-            HTMAXBUTTON => state_ptr.state.borrow_mut().nc_button_pressed = Some(HTMAXBUTTON),
-            HTCLOSE => state_ptr.state.borrow_mut().nc_button_pressed = Some(HTCLOSE),
-            _ => return None,
-        };
-        Some(0)
-    } else {
-        None
-    }
-}
-
-fn handle_nc_mouse_up_msg(
-    handle: HWND,
-    button: MouseButton,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let mut lock = state_ptr.state.borrow_mut();
-    if let Some(mut func) = lock.callbacks.input.take() {
-        let scale_factor = lock.scale_factor;
-        drop(lock);
-
-        let mut cursor_point = POINT {
-            x: lparam.signed_loword().into(),
-            y: lparam.signed_hiword().into(),
-        };
-        unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
-        let input = PlatformInput::MouseUp(MouseUpEvent {
-            button,
-            position: logical_point(cursor_point.x as f32, cursor_point.y as f32, scale_factor),
-            modifiers: current_modifiers(),
-            click_count: 1,
-        });
-        let handled = !func(input).propagate;
-        state_ptr.state.borrow_mut().callbacks.input = Some(func);
-
-        if handled {
-            return Some(0);
-        }
-    } else {
-        drop(lock);
-    }
-
-    let last_pressed = state_ptr.state.borrow_mut().nc_button_pressed.take();
-    if button == MouseButton::Left
-        && let Some(last_pressed) = last_pressed
-    {
-        let handled = match (wparam.0 as u32, last_pressed) {
-            (HTMINBUTTON, HTMINBUTTON) => {
-                unsafe { ShowWindowAsync(handle, SW_MINIMIZE).ok().log_err() };
-                true
-            }
-            (HTMAXBUTTON, HTMAXBUTTON) => {
-                if state_ptr.state.borrow().is_maximized() {
-                    unsafe { ShowWindowAsync(handle, SW_NORMAL).ok().log_err() };
-                } else {
-                    unsafe { ShowWindowAsync(handle, SW_MAXIMIZE).ok().log_err() };
+    fn handle_activate_msg(self: &Rc<Self>, wparam: WPARAM) -> Option<isize> {
+        let activated = wparam.loword() > 0;
+        let this = self.clone();
+        self.executor
+            .spawn(async move {
+                let mut lock = this.state.borrow_mut();
+                if let Some(mut func) = lock.callbacks.active_status_change.take() {
+                    drop(lock);
+                    func(activated);
+                    this.state.borrow_mut().callbacks.active_status_change = Some(func);
                 }
-                true
-            }
-            (HTCLOSE, HTCLOSE) => {
-                unsafe {
-                    PostMessageW(Some(handle), WM_CLOSE, WPARAM::default(), LPARAM::default())
-                        .log_err()
-                };
-                true
-            }
-            _ => false,
-        };
-        if handled {
-            return Some(0);
-        }
-    }
+            })
+            .detach();
 
-    None
-}
-
-fn handle_cursor_changed(lparam: LPARAM, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    let mut state = state_ptr.state.borrow_mut();
-    let had_cursor = state.current_cursor.is_some();
-
-    state.current_cursor = if lparam.0 == 0 {
-        None
-    } else {
-        Some(HCURSOR(lparam.0 as _))
-    };
-
-    if had_cursor != state.current_cursor.is_some() {
-        unsafe { SetCursor(state.current_cursor) };
-    }
-
-    Some(0)
-}
-
-fn handle_set_cursor(
-    handle: HWND,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    if unsafe { !IsWindowEnabled(handle).as_bool() }
-        || matches!(
-            lparam.loword() as u32,
-            HTLEFT
-                | HTRIGHT
-                | HTTOP
-                | HTTOPLEFT
-                | HTTOPRIGHT
-                | HTBOTTOM
-                | HTBOTTOMLEFT
-                | HTBOTTOMRIGHT
-        )
-    {
-        return None;
-    }
-    unsafe {
-        SetCursor(state_ptr.state.borrow().current_cursor);
-    };
-    Some(1)
-}
-
-fn handle_system_settings_changed(
-    handle: HWND,
-    wparam: WPARAM,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    if wparam.0 != 0 {
-        let mut lock = state_ptr.state.borrow_mut();
-        let display = lock.display;
-        lock.system_settings.update(display, wparam.0);
-        lock.click_state.system_update(wparam.0);
-        lock.border_offset.update(handle).log_err();
-    } else {
-        handle_system_theme_changed(handle, lparam, state_ptr)?;
-    };
-    // Force to trigger WM_NCCALCSIZE event to ensure that we handle auto hide
-    // taskbar correctly.
-    notify_frame_changed(handle);
-
-    Some(0)
-}
-
-fn handle_system_command(wparam: WPARAM, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
-    if wparam.0 == SC_KEYMENU as usize {
-        let mut lock = state_ptr.state.borrow_mut();
-        if lock.system_key_handled {
-            lock.system_key_handled = false;
-            return Some(0);
-        }
-    }
-    None
-}
-
-fn handle_system_theme_changed(
-    handle: HWND,
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    // lParam is a pointer to a string that indicates the area containing the system parameter
-    // that was changed.
-    let parameter = PCWSTR::from_raw(lparam.0 as _);
-    if unsafe { !parameter.is_null() && !parameter.is_empty() } {
-        if let Some(parameter_string) = unsafe { parameter.to_string() }.log_err() {
-            log::info!("System settings changed: {}", parameter_string);
-            match parameter_string.as_str() {
-                "ImmersiveColorSet" => {
-                    let new_appearance = system_appearance()
-                        .context("unable to get system appearance when handling ImmersiveColorSet")
-                        .log_err()?;
-                    let mut lock = state_ptr.state.borrow_mut();
-                    if new_appearance != lock.appearance {
-                        lock.appearance = new_appearance;
-                        let mut callback = lock.callbacks.appearance_changed.take()?;
-                        drop(lock);
-                        callback();
-                        state_ptr.state.borrow_mut().callbacks.appearance_changed = Some(callback);
-                        configure_dwm_dark_mode(handle, new_appearance);
-                    }
-                }
-                _ => {}
-            }
-        }
-    }
-    Some(0)
-}
-
-fn handle_input_language_changed(
-    lparam: LPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let thread = state_ptr.main_thread_id_win32;
-    let validation = state_ptr.validation_number;
-    unsafe {
-        PostThreadMessageW(thread, WM_INPUTLANGCHANGE, WPARAM(validation), lparam).log_err();
-    }
-    Some(0)
-}
-
-fn handle_device_change_msg(
-    handle: HWND,
-    wparam: WPARAM,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    if wparam.0 == DBT_DEVNODES_CHANGED as usize {
-        // The reason for sending this message is to actually trigger a redraw of the window.
-        unsafe {
-            PostMessageW(
-                Some(handle),
-                WM_GPUI_FORCE_UPDATE_WINDOW,
-                WPARAM(0),
-                LPARAM(0),
-            )
-            .log_err();
-        }
-        // If the GPU device is lost, this redraw will take care of recreating the device context.
-        // The WM_GPUI_FORCE_UPDATE_WINDOW message will take care of redrawing the window, after
-        // the device context has been recreated.
-        draw_window(handle, true, state_ptr)
-    } else {
-        // Other device change messages are not handled.
         None
     }
-}
 
-#[inline]
-fn draw_window(
-    handle: HWND,
-    force_render: bool,
-    state_ptr: Rc<WindowsWindowStatePtr>,
-) -> Option<isize> {
-    let mut request_frame = state_ptr
-        .state
-        .borrow_mut()
-        .callbacks
-        .request_frame
-        .take()?;
-    request_frame(RequestFrameOptions {
-        require_presentation: false,
-        force_render,
-    });
-    state_ptr.state.borrow_mut().callbacks.request_frame = Some(request_frame);
-    unsafe { ValidateRect(Some(handle), None).ok().log_err() };
-    Some(0)
-}
-
-#[inline]
-fn parse_char_message(wparam: WPARAM, state_ptr: &Rc<WindowsWindowStatePtr>) -> Option<String> {
-    let code_point = wparam.loword();
-    let mut lock = state_ptr.state.borrow_mut();
-    // https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-3/#G2630
-    match code_point {
-        0xD800..=0xDBFF => {
-            // High surrogate, wait for low surrogate
-            lock.pending_surrogate = Some(code_point);
+    fn handle_create_msg(&self, handle: HWND) -> Option<isize> {
+        if self.hide_title_bar {
+            notify_frame_changed(handle);
+            Some(0)
+        } else {
             None
         }
-        0xDC00..=0xDFFF => {
-            if let Some(high_surrogate) = lock.pending_surrogate.take() {
-                // Low surrogate, combine with pending high surrogate
-                String::from_utf16(&[high_surrogate, code_point]).ok()
-            } else {
-                // Invalid low surrogate without a preceding high surrogate
-                log::warn!(
-                    "Received low surrogate without a preceding high surrogate: {code_point:x}"
-                );
-                None
+    }
+
+    fn handle_dpi_changed_msg(
+        &self,
+        handle: HWND,
+        wparam: WPARAM,
+        lparam: LPARAM,
+    ) -> Option<isize> {
+        let new_dpi = wparam.loword() as f32;
+        let mut lock = self.state.borrow_mut();
+        let is_maximized = lock.is_maximized();
+        let new_scale_factor = new_dpi / USER_DEFAULT_SCREEN_DPI as f32;
+        lock.scale_factor = new_scale_factor;
+        lock.border_offset.update(handle).log_err();
+        drop(lock);
+
+        let rect = unsafe { &*(lparam.0 as *const RECT) };
+        let width = rect.right - rect.left;
+        let height = rect.bottom - rect.top;
+        // this will emit `WM_SIZE` and `WM_MOVE` right here
+        // even before this function returns
+        // the new size is handled in `WM_SIZE`
+        unsafe {
+            SetWindowPos(
+                handle,
+                None,
+                rect.left,
+                rect.top,
+                width,
+                height,
+                SWP_NOZORDER | SWP_NOACTIVATE,
+            )
+            .context("unable to set window position after dpi has changed")
+            .log_err();
+        }
+
+        // When maximized, SetWindowPos doesn't send WM_SIZE, so we need to manually
+        // update the size and call the resize callback
+        if is_maximized {
+            let device_size = size(DevicePixels(width), DevicePixels(height));
+            self.handle_size_change(device_size, new_scale_factor, true);
+        }
+
+        Some(0)
+    }
+
+    /// The following conditions will trigger this event:
+    /// 1. The monitor on which the window is located goes offline or changes resolution.
+    /// 2. Another monitor goes offline, is plugged in, or changes resolution.
+    ///
+    /// In either case, the window will only receive information from the monitor on which
+    /// it is located.
+    ///
+    /// For example, in the case of condition 2, where the monitor on which the window is
+    /// located has actually changed nothing, it will still receive this event.
+    fn handle_display_change_msg(&self, handle: HWND) -> Option<isize> {
+        // NOTE:
+        // Even the `lParam` holds the resolution of the screen, we just ignore it.
+        // Because WM_DPICHANGED, WM_MOVE, WM_SIZE will come first, window reposition and resize
+        // are handled there.
+        // So we only care about if monitor is disconnected.
+        let previous_monitor = self.state.borrow().display;
+        if WindowsDisplay::is_connected(previous_monitor.handle) {
+            // we are fine, other display changed
+            return None;
+        }
+        // display disconnected
+        // in this case, the OS will move our window to another monitor, and minimize it.
+        // we deminimize the window and query the monitor after moving
+        unsafe {
+            let _ = ShowWindow(handle, SW_SHOWNORMAL);
+        };
+        let new_monitor = unsafe { MonitorFromWindow(handle, MONITOR_DEFAULTTONULL) };
+        // all monitors disconnected
+        if new_monitor.is_invalid() {
+            log::error!("No monitor detected!");
+            return None;
+        }
+        let new_display = WindowsDisplay::new_with_handle(new_monitor);
+        self.state.borrow_mut().display = new_display;
+        Some(0)
+    }
+
+    fn handle_hit_test_msg(
+        &self,
+        handle: HWND,
+        msg: u32,
+        wparam: WPARAM,
+        lparam: LPARAM,
+    ) -> Option<isize> {
+        if !self.is_movable || self.state.borrow().is_fullscreen() {
+            return None;
+        }
+
+        let mut lock = self.state.borrow_mut();
+        if let Some(mut callback) = lock.callbacks.hit_test_window_control.take() {
+            drop(lock);
+            let area = callback();
+            self.state.borrow_mut().callbacks.hit_test_window_control = Some(callback);
+            if let Some(area) = area {
+                return match area {
+                    WindowControlArea::Drag => Some(HTCAPTION as _),
+                    WindowControlArea::Close => Some(HTCLOSE as _),
+                    WindowControlArea::Max => Some(HTMAXBUTTON as _),
+                    WindowControlArea::Min => Some(HTMINBUTTON as _),
+                };
+            }
+        } else {
+            drop(lock);
+        }
+
+        if !self.hide_title_bar {
+            // If the OS draws the title bar, we don't need to handle hit test messages.
+            return None;
+        }
+
+        // default handler for resize areas
+        let hit = unsafe { DefWindowProcW(handle, msg, wparam, lparam) };
+        if matches!(
+            hit.0 as u32,
+            HTNOWHERE
+                | HTRIGHT
+                | HTLEFT
+                | HTTOPLEFT
+                | HTTOP
+                | HTTOPRIGHT
+                | HTBOTTOMRIGHT
+                | HTBOTTOM
+                | HTBOTTOMLEFT
+        ) {
+            return Some(hit.0);
+        }
+
+        if self.state.borrow().is_fullscreen() {
+            return Some(HTCLIENT as _);
+        }
+
+        let dpi = unsafe { GetDpiForWindow(handle) };
+        let frame_y = unsafe { GetSystemMetricsForDpi(SM_CYFRAME, dpi) };
+
+        let mut cursor_point = POINT {
+            x: lparam.signed_loword().into(),
+            y: lparam.signed_hiword().into(),
+        };
+        unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
+        if !self.state.borrow().is_maximized() && cursor_point.y >= 0 && cursor_point.y <= frame_y {
+            return Some(HTTOP as _);
+        }
+
+        Some(HTCLIENT as _)
+    }
+
+    fn handle_nc_mouse_move_msg(&self, handle: HWND, lparam: LPARAM) -> Option<isize> {
+        self.start_tracking_mouse(handle, TME_LEAVE | TME_NONCLIENT);
+
+        let mut lock = self.state.borrow_mut();
+        let mut func = lock.callbacks.input.take()?;
+        let scale_factor = lock.scale_factor;
+        drop(lock);
+
+        let mut cursor_point = POINT {
+            x: lparam.signed_loword().into(),
+            y: lparam.signed_hiword().into(),
+        };
+        unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
+        let input = PlatformInput::MouseMove(MouseMoveEvent {
+            position: logical_point(cursor_point.x as f32, cursor_point.y as f32, scale_factor),
+            pressed_button: None,
+            modifiers: current_modifiers(),
+        });
+        let handled = !func(input).propagate;
+        self.state.borrow_mut().callbacks.input = Some(func);
+
+        if handled { Some(0) } else { None }
+    }
+
+    fn handle_nc_mouse_down_msg(
+        &self,
+        handle: HWND,
+        button: MouseButton,
+        wparam: WPARAM,
+        lparam: LPARAM,
+    ) -> Option<isize> {
+        let mut lock = self.state.borrow_mut();
+        if let Some(mut func) = lock.callbacks.input.take() {
+            let scale_factor = lock.scale_factor;
+            let mut cursor_point = POINT {
+                x: lparam.signed_loword().into(),
+                y: lparam.signed_hiword().into(),
+            };
+            unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
+            let physical_point = point(DevicePixels(cursor_point.x), DevicePixels(cursor_point.y));
+            let click_count = lock.click_state.update(button, physical_point);
+            drop(lock);
+
+            let input = PlatformInput::MouseDown(MouseDownEvent {
+                button,
+                position: logical_point(cursor_point.x as f32, cursor_point.y as f32, scale_factor),
+                modifiers: current_modifiers(),
+                click_count,
+                first_mouse: false,
+            });
+            let result = func(input);
+            let handled = !result.propagate || result.default_prevented;
+            self.state.borrow_mut().callbacks.input = Some(func);
+
+            if handled {
+                return Some(0);
+            }
+        } else {
+            drop(lock);
+        };
+
+        // Since these are handled in handle_nc_mouse_up_msg we must prevent the default window proc
+        if button == MouseButton::Left {
+            match wparam.0 as u32 {
+                HTMINBUTTON => self.state.borrow_mut().nc_button_pressed = Some(HTMINBUTTON),
+                HTMAXBUTTON => self.state.borrow_mut().nc_button_pressed = Some(HTMAXBUTTON),
+                HTCLOSE => self.state.borrow_mut().nc_button_pressed = Some(HTCLOSE),
+                _ => return None,
+            };
+            Some(0)
+        } else {
+            None
+        }
+    }
+
+    fn handle_nc_mouse_up_msg(
+        &self,
+        handle: HWND,
+        button: MouseButton,
+        wparam: WPARAM,
+        lparam: LPARAM,
+    ) -> Option<isize> {
+        let mut lock = self.state.borrow_mut();
+        if let Some(mut func) = lock.callbacks.input.take() {
+            let scale_factor = lock.scale_factor;
+            drop(lock);
+
+            let mut cursor_point = POINT {
+                x: lparam.signed_loword().into(),
+                y: lparam.signed_hiword().into(),
+            };
+            unsafe { ScreenToClient(handle, &mut cursor_point).ok().log_err() };
+            let input = PlatformInput::MouseUp(MouseUpEvent {
+                button,
+                position: logical_point(cursor_point.x as f32, cursor_point.y as f32, scale_factor),
+                modifiers: current_modifiers(),
+                click_count: 1,
+            });
+            let handled = !func(input).propagate;
+            self.state.borrow_mut().callbacks.input = Some(func);
+
+            if handled {
+                return Some(0);
+            }
+        } else {
+            drop(lock);
+        }
+
+        let last_pressed = self.state.borrow_mut().nc_button_pressed.take();
+        if button == MouseButton::Left
+            && let Some(last_pressed) = last_pressed
+        {
+            let handled = match (wparam.0 as u32, last_pressed) {
+                (HTMINBUTTON, HTMINBUTTON) => {
+                    unsafe { ShowWindowAsync(handle, SW_MINIMIZE).ok().log_err() };
+                    true
+                }
+                (HTMAXBUTTON, HTMAXBUTTON) => {
+                    if self.state.borrow().is_maximized() {
+                        unsafe { ShowWindowAsync(handle, SW_NORMAL).ok().log_err() };
+                    } else {
+                        unsafe { ShowWindowAsync(handle, SW_MAXIMIZE).ok().log_err() };
+                    }
+                    true
+                }
+                (HTCLOSE, HTCLOSE) => {
+                    unsafe {
+                        PostMessageW(Some(handle), WM_CLOSE, WPARAM::default(), LPARAM::default())
+                            .log_err()
+                    };
+                    true
+                }
+                _ => false,
+            };
+            if handled {
+                return Some(0);
             }
         }
-        _ => {
-            lock.pending_surrogate = None;
-            char::from_u32(code_point as u32)
-                .filter(|c| !c.is_control())
-                .map(|c| c.to_string())
+
+        None
+    }
+
+    fn handle_cursor_changed(&self, lparam: LPARAM) -> Option<isize> {
+        let mut state = self.state.borrow_mut();
+        let had_cursor = state.current_cursor.is_some();
+
+        state.current_cursor = if lparam.0 == 0 {
+            None
+        } else {
+            Some(HCURSOR(lparam.0 as _))
+        };
+
+        if had_cursor != state.current_cursor.is_some() {
+            unsafe { SetCursor(state.current_cursor) };
         }
+
+        Some(0)
+    }
+
+    fn handle_set_cursor(&self, handle: HWND, lparam: LPARAM) -> Option<isize> {
+        if unsafe { !IsWindowEnabled(handle).as_bool() }
+            || matches!(
+                lparam.loword() as u32,
+                HTLEFT
+                    | HTRIGHT
+                    | HTTOP
+                    | HTTOPLEFT
+                    | HTTOPRIGHT
+                    | HTBOTTOM
+                    | HTBOTTOMLEFT
+                    | HTBOTTOMRIGHT
+            )
+        {
+            return None;
+        }
+        unsafe {
+            SetCursor(self.state.borrow().current_cursor);
+        };
+        Some(1)
+    }
+
+    fn handle_system_settings_changed(
+        &self,
+        handle: HWND,
+        wparam: WPARAM,
+        lparam: LPARAM,
+    ) -> Option<isize> {
+        if wparam.0 != 0 {
+            let mut lock = self.state.borrow_mut();
+            let display = lock.display;
+            lock.system_settings.update(display, wparam.0);
+            lock.click_state.system_update(wparam.0);
+            lock.border_offset.update(handle).log_err();
+        } else {
+            self.handle_system_theme_changed(handle, lparam)?;
+        };
+        // Force to trigger WM_NCCALCSIZE event to ensure that we handle auto hide
+        // taskbar correctly.
+        notify_frame_changed(handle);
+
+        Some(0)
+    }
+
+    fn handle_system_command(&self, wparam: WPARAM) -> Option<isize> {
+        if wparam.0 == SC_KEYMENU as usize {
+            let mut lock = self.state.borrow_mut();
+            if lock.system_key_handled {
+                lock.system_key_handled = false;
+                return Some(0);
+            }
+        }
+        None
+    }
+
+    fn handle_system_theme_changed(&self, handle: HWND, lparam: LPARAM) -> Option<isize> {
+        // lParam is a pointer to a string that indicates the area containing the system parameter
+        // that was changed.
+        let parameter = PCWSTR::from_raw(lparam.0 as _);
+        if unsafe { !parameter.is_null() && !parameter.is_empty() }
+            && let Some(parameter_string) = unsafe { parameter.to_string() }.log_err()
+        {
+            log::info!("System settings changed: {}", parameter_string);
+            if parameter_string.as_str() == "ImmersiveColorSet" {
+                let new_appearance = system_appearance()
+                    .context("unable to get system appearance when handling ImmersiveColorSet")
+                    .log_err()?;
+                let mut lock = self.state.borrow_mut();
+                if new_appearance != lock.appearance {
+                    lock.appearance = new_appearance;
+                    let mut callback = lock.callbacks.appearance_changed.take()?;
+                    drop(lock);
+                    callback();
+                    self.state.borrow_mut().callbacks.appearance_changed = Some(callback);
+                    configure_dwm_dark_mode(handle, new_appearance);
+                }
+            }
+        }
+        Some(0)
+    }
+
+    fn handle_input_language_changed(&self, lparam: LPARAM) -> Option<isize> {
+        let thread = self.main_thread_id_win32;
+        let validation = self.validation_number;
+        unsafe {
+            PostThreadMessageW(thread, WM_INPUTLANGCHANGE, WPARAM(validation), lparam).log_err();
+        }
+        Some(0)
+    }
+
+    fn handle_window_visibility_changed(&self, handle: HWND, wparam: WPARAM) -> Option<isize> {
+        if wparam.0 == 1 {
+            self.draw_window(handle, false);
+        }
+        None
+    }
+
+    fn handle_device_change_msg(&self, handle: HWND, wparam: WPARAM) -> Option<isize> {
+        if wparam.0 == DBT_DEVNODES_CHANGED as usize {
+            // The reason for sending this message is to actually trigger a redraw of the window.
+            unsafe {
+                PostMessageW(
+                    Some(handle),
+                    WM_GPUI_FORCE_UPDATE_WINDOW,
+                    WPARAM(0),
+                    LPARAM(0),
+                )
+                .log_err();
+            }
+            // If the GPU device is lost, this redraw will take care of recreating the device context.
+            // The WM_GPUI_FORCE_UPDATE_WINDOW message will take care of redrawing the window, after
+            // the device context has been recreated.
+            self.draw_window(handle, true)
+        } else {
+            // Other device change messages are not handled.
+            None
+        }
+    }
+
+    #[inline]
+    fn draw_window(&self, handle: HWND, force_render: bool) -> Option<isize> {
+        let mut request_frame = self.state.borrow_mut().callbacks.request_frame.take()?;
+        request_frame(RequestFrameOptions {
+            require_presentation: false,
+            force_render,
+        });
+        self.state.borrow_mut().callbacks.request_frame = Some(request_frame);
+        unsafe { ValidateRect(Some(handle), None).ok().log_err() };
+        Some(0)
+    }
+
+    #[inline]
+    fn parse_char_message(&self, wparam: WPARAM) -> Option<String> {
+        let code_point = wparam.loword();
+        let mut lock = self.state.borrow_mut();
+        // https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-3/#G2630
+        match code_point {
+            0xD800..=0xDBFF => {
+                // High surrogate, wait for low surrogate
+                lock.pending_surrogate = Some(code_point);
+                None
+            }
+            0xDC00..=0xDFFF => {
+                if let Some(high_surrogate) = lock.pending_surrogate.take() {
+                    // Low surrogate, combine with pending high surrogate
+                    String::from_utf16(&[high_surrogate, code_point]).ok()
+                } else {
+                    // Invalid low surrogate without a preceding high surrogate
+                    log::warn!(
+                        "Received low surrogate without a preceding high surrogate: {code_point:x}"
+                    );
+                    None
+                }
+            }
+            _ => {
+                lock.pending_surrogate = None;
+                char::from_u32(code_point as u32)
+                    .filter(|c| !c.is_control())
+                    .map(|c| c.to_string())
+            }
+        }
+    }
+
+    fn start_tracking_mouse(&self, handle: HWND, flags: TRACKMOUSEEVENT_FLAGS) {
+        let mut lock = self.state.borrow_mut();
+        if !lock.hovered {
+            lock.hovered = true;
+            unsafe {
+                TrackMouseEvent(&mut TRACKMOUSEEVENT {
+                    cbSize: std::mem::size_of::<TRACKMOUSEEVENT>() as u32,
+                    dwFlags: flags,
+                    hwndTrack: handle,
+                    dwHoverTime: HOVER_DEFAULT,
+                })
+                .log_err()
+            };
+            if let Some(mut callback) = lock.callbacks.hovered_status_change.take() {
+                drop(lock);
+                callback(true);
+                self.state.borrow_mut().callbacks.hovered_status_change = Some(callback);
+            }
+        }
+    }
+
+    fn with_input_handler<F, R>(&self, f: F) -> Option<R>
+    where
+        F: FnOnce(&mut PlatformInputHandler) -> R,
+    {
+        let mut input_handler = self.state.borrow_mut().input_handler.take()?;
+        let result = f(&mut input_handler);
+        self.state.borrow_mut().input_handler = Some(input_handler);
+        Some(result)
+    }
+
+    fn with_input_handler_and_scale_factor<F, R>(&self, f: F) -> Option<R>
+    where
+        F: FnOnce(&mut PlatformInputHandler, f32) -> Option<R>,
+    {
+        let mut lock = self.state.borrow_mut();
+        let mut input_handler = lock.input_handler.take()?;
+        let scale_factor = lock.scale_factor;
+        drop(lock);
+        let result = f(&mut input_handler, scale_factor);
+        self.state.borrow_mut().input_handler = Some(input_handler);
+        result
     }
 }
 
@@ -1470,7 +1466,7 @@ pub(crate) fn current_modifiers() -> Modifiers {
 #[inline]
 pub(crate) fn current_capslock() -> Capslock {
     let on = unsafe { GetKeyState(VK_CAPITAL.0 as i32) & 1 } > 0;
-    Capslock { on: on }
+    Capslock { on }
 }
 
 fn get_client_area_insets(
@@ -1543,54 +1539,3 @@ fn notify_frame_changed(handle: HWND) {
         .log_err();
     }
 }
-
-fn start_tracking_mouse(
-    handle: HWND,
-    state_ptr: &Rc<WindowsWindowStatePtr>,
-    flags: TRACKMOUSEEVENT_FLAGS,
-) {
-    let mut lock = state_ptr.state.borrow_mut();
-    if !lock.hovered {
-        lock.hovered = true;
-        unsafe {
-            TrackMouseEvent(&mut TRACKMOUSEEVENT {
-                cbSize: std::mem::size_of::<TRACKMOUSEEVENT>() as u32,
-                dwFlags: flags,
-                hwndTrack: handle,
-                dwHoverTime: HOVER_DEFAULT,
-            })
-            .log_err()
-        };
-        if let Some(mut callback) = lock.callbacks.hovered_status_change.take() {
-            drop(lock);
-            callback(true);
-            state_ptr.state.borrow_mut().callbacks.hovered_status_change = Some(callback);
-        }
-    }
-}
-
-fn with_input_handler<F, R>(state_ptr: &Rc<WindowsWindowStatePtr>, f: F) -> Option<R>
-where
-    F: FnOnce(&mut PlatformInputHandler) -> R,
-{
-    let mut input_handler = state_ptr.state.borrow_mut().input_handler.take()?;
-    let result = f(&mut input_handler);
-    state_ptr.state.borrow_mut().input_handler = Some(input_handler);
-    Some(result)
-}
-
-fn with_input_handler_and_scale_factor<F, R>(
-    state_ptr: &Rc<WindowsWindowStatePtr>,
-    f: F,
-) -> Option<R>
-where
-    F: FnOnce(&mut PlatformInputHandler, f32) -> Option<R>,
-{
-    let mut lock = state_ptr.state.borrow_mut();
-    let mut input_handler = lock.input_handler.take()?;
-    let scale_factor = lock.scale_factor;
-    drop(lock);
-    let result = f(&mut input_handler, scale_factor);
-    state_ptr.state.borrow_mut().input_handler = Some(input_handler);
-    result
-}
diff --git a/crates/gpui/src/platform/windows/platform.rs b/crates/gpui/src/platform/windows/platform.rs
index 8433e29c6d..6202e05fb3 100644
--- a/crates/gpui/src/platform/windows/platform.rs
+++ b/crates/gpui/src/platform/windows/platform.rs
@@ -1,5 +1,6 @@
 use std::{
     cell::RefCell,
+    ffi::OsStr,
     mem::ManuallyDrop,
     path::{Path, PathBuf},
     rc::Rc,
@@ -32,7 +33,7 @@ use crate::*;
 
 pub(crate) struct WindowsPlatform {
     state: RefCell<WindowsPlatformState>,
-    raw_window_handles: RwLock<SmallVec<[HWND; 4]>>,
+    raw_window_handles: Arc<RwLock<SmallVec<[SafeHwnd; 4]>>>,
     // The below members will never change throughout the entire lifecycle of the app.
     icon: HICON,
     main_receiver: flume::Receiver<Runnable>,
@@ -44,6 +45,7 @@ pub(crate) struct WindowsPlatform {
     drop_target_helper: IDropTargetHelper,
     validation_number: usize,
     main_thread_id_win32: u32,
+    disable_direct_composition: bool,
 }
 
 pub(crate) struct WindowsPlatformState {
@@ -93,14 +95,18 @@ impl WindowsPlatform {
             main_thread_id_win32,
             validation_number,
         ));
+        let disable_direct_composition = std::env::var(DISABLE_DIRECT_COMPOSITION)
+            .is_ok_and(|value| value == "true" || value == "1");
         let background_executor = BackgroundExecutor::new(dispatcher.clone());
         let foreground_executor = ForegroundExecutor::new(dispatcher);
+        let directx_devices = DirectXDevices::new(disable_direct_composition)
+            .context("Unable to init directx devices.")?;
         let bitmap_factory = ManuallyDrop::new(unsafe {
             CoCreateInstance(&CLSID_WICImagingFactory, None, CLSCTX_INPROC_SERVER)
                 .context("Error creating bitmap factory.")?
         });
         let text_system = Arc::new(
-            DirectWriteTextSystem::new(&bitmap_factory)
+            DirectWriteTextSystem::new(&directx_devices, &bitmap_factory)
                 .context("Error creating DirectWriteTextSystem")?,
         );
         let drop_target_helper: IDropTargetHelper = unsafe {
@@ -109,7 +115,7 @@ impl WindowsPlatform {
         };
         let icon = load_icon().unwrap_or_default();
         let state = RefCell::new(WindowsPlatformState::new());
-        let raw_window_handles = RwLock::new(SmallVec::new());
+        let raw_window_handles = Arc::new(RwLock::new(SmallVec::new()));
         let windows_version = WindowsVersion::new().context("Error retrieve windows version")?;
 
         Ok(Self {
@@ -120,6 +126,7 @@ impl WindowsPlatform {
             background_executor,
             foreground_executor,
             text_system,
+            disable_direct_composition,
             windows_version,
             bitmap_factory,
             drop_target_helper,
@@ -128,22 +135,12 @@ impl WindowsPlatform {
         })
     }
 
-    fn redraw_all(&self) {
-        for handle in self.raw_window_handles.read().iter() {
-            unsafe {
-                RedrawWindow(Some(*handle), None, None, RDW_INVALIDATE | RDW_UPDATENOW)
-                    .ok()
-                    .log_err();
-            }
-        }
-    }
-
-    pub fn try_get_windows_inner_from_hwnd(&self, hwnd: HWND) -> Option<Rc<WindowsWindowStatePtr>> {
+    pub fn window_from_hwnd(&self, hwnd: HWND) -> Option<Rc<WindowsWindowInner>> {
         self.raw_window_handles
             .read()
             .iter()
-            .find(|entry| *entry == &hwnd)
-            .and_then(|hwnd| try_get_window_inner(*hwnd))
+            .find(|entry| entry.as_raw() == hwnd)
+            .and_then(|hwnd| window_from_hwnd(hwnd.as_raw()))
     }
 
     #[inline]
@@ -152,7 +149,7 @@ impl WindowsPlatform {
             .read()
             .iter()
             .for_each(|handle| unsafe {
-                PostMessageW(Some(*handle), message, wparam, lparam).log_err();
+                PostMessageW(Some(handle.as_raw()), message, wparam, lparam).log_err();
             });
     }
 
@@ -160,7 +157,7 @@ impl WindowsPlatform {
         let mut lock = self.raw_window_handles.write();
         let index = lock
             .iter()
-            .position(|handle| *handle == target_window)
+            .position(|handle| handle.as_raw() == target_window)
             .unwrap();
         lock.remove(index);
 
@@ -184,6 +181,7 @@ impl WindowsPlatform {
             validation_number: self.validation_number,
             main_receiver: self.main_receiver.clone(),
             main_thread_id_win32: self.main_thread_id_win32,
+            disable_direct_composition: self.disable_direct_composition,
         }
     }
 
@@ -219,19 +217,19 @@ impl WindowsPlatform {
         }
     }
 
-    // Returns true if the app should quit.
-    fn handle_events(&self) -> bool {
+    // Returns if the app should quit.
+    fn handle_events(&self) {
         let mut msg = MSG::default();
         unsafe {
-            while PeekMessageW(&mut msg, None, 0, 0, PM_REMOVE).as_bool() {
+            while GetMessageW(&mut msg, None, 0, 0).as_bool() {
                 match msg.message {
-                    WM_QUIT => return true,
+                    WM_QUIT => return,
                     WM_INPUTLANGCHANGE
                     | WM_GPUI_CLOSE_ONE_WINDOW
                     | WM_GPUI_TASK_DISPATCHED_ON_MAIN_THREAD
                     | WM_GPUI_DOCK_MENU_ACTION => {
-                        if self.handle_gpui_evnets(msg.message, msg.wParam, msg.lParam, &msg) {
-                            return true;
+                        if self.handle_gpui_events(msg.message, msg.wParam, msg.lParam, &msg) {
+                            return;
                         }
                     }
                     _ => {
@@ -240,11 +238,10 @@ impl WindowsPlatform {
                 }
             }
         }
-        false
     }
 
     // Returns true if the app should quit.
-    fn handle_gpui_evnets(
+    fn handle_gpui_events(
         &self,
         message: u32,
         wparam: WPARAM,
@@ -308,8 +305,28 @@ impl WindowsPlatform {
         self.raw_window_handles
             .read()
             .iter()
-            .find(|&&hwnd| hwnd == active_window_hwnd)
-            .copied()
+            .find(|hwnd| hwnd.as_raw() == active_window_hwnd)
+            .map(|hwnd| hwnd.as_raw())
+    }
+
+    fn begin_vsync_thread(&self) {
+        let all_windows = Arc::downgrade(&self.raw_window_handles);
+        std::thread::spawn(move || {
+            let vsync_provider = VSyncProvider::new();
+            loop {
+                vsync_provider.wait_for_vsync();
+                let Some(all_windows) = all_windows.upgrade() else {
+                    break;
+                };
+                for hwnd in all_windows.read().iter() {
+                    unsafe {
+                        RedrawWindow(Some(hwnd.as_raw()), None, None, RDW_INVALIDATE)
+                            .ok()
+                            .log_err();
+                    }
+                }
+            }
+        });
     }
 }
 
@@ -340,12 +357,8 @@ impl Platform for WindowsPlatform {
 
     fn run(&self, on_finish_launching: Box<dyn 'static + FnOnce()>) {
         on_finish_launching();
-        loop {
-            if self.handle_events() {
-                break;
-            }
-            self.redraw_all();
-        }
+        self.begin_vsync_thread();
+        self.handle_events();
 
         if let Some(ref mut callback) = self.state.borrow_mut().callbacks.quit {
             callback();
@@ -358,9 +371,9 @@ impl Platform for WindowsPlatform {
             .detach();
     }
 
-    fn restart(&self, _: Option<PathBuf>) {
+    fn restart(&self, binary_path: Option<PathBuf>) {
         let pid = std::process::id();
-        let Some(app_path) = self.app_path().log_err() else {
+        let Some(app_path) = binary_path.or(self.app_path().log_err()) else {
             return;
         };
         let script = format!(
@@ -427,7 +440,7 @@ impl Platform for WindowsPlatform {
 
     fn active_window(&self) -> Option<AnyWindowHandle> {
         let active_window_hwnd = unsafe { GetActiveWindow() };
-        self.try_get_windows_inner_from_hwnd(active_window_hwnd)
+        self.window_from_hwnd(active_window_hwnd)
             .map(|inner| inner.handle)
     }
 
@@ -438,7 +451,7 @@ impl Platform for WindowsPlatform {
     ) -> Result<Box<dyn PlatformWindow>> {
         let window = WindowsWindow::new(handle, options, self.generate_creation_info())?;
         let handle = window.get_raw_handle();
-        self.raw_window_handles.write().push(handle);
+        self.raw_window_handles.write().push(handle.into());
 
         Ok(Box::new(window))
     }
@@ -448,13 +461,15 @@ impl Platform for WindowsPlatform {
     }
 
     fn open_url(&self, url: &str) {
+        if url.is_empty() {
+            return;
+        }
         let url_string = url.to_string();
         self.background_executor()
             .spawn(async move {
-                if url_string.is_empty() {
-                    return;
-                }
-                open_target(url_string.as_str());
+                open_target(&url_string)
+                    .with_context(|| format!("Opening url: {}", url_string))
+                    .log_err();
             })
             .detach();
     }
@@ -478,13 +493,18 @@ impl Platform for WindowsPlatform {
         rx
     }
 
-    fn prompt_for_new_path(&self, directory: &Path) -> Receiver<Result<Option<PathBuf>>> {
+    fn prompt_for_new_path(
+        &self,
+        directory: &Path,
+        suggested_name: Option<&str>,
+    ) -> Receiver<Result<Option<PathBuf>>> {
         let directory = directory.to_owned();
+        let suggested_name = suggested_name.map(|s| s.to_owned());
         let (tx, rx) = oneshot::channel();
         let window = self.find_current_active_window();
         self.foreground_executor()
             .spawn(async move {
-                let _ = tx.send(file_save_dialog(directory, window));
+                let _ = tx.send(file_save_dialog(directory, suggested_name, window));
             })
             .detach();
 
@@ -497,37 +517,29 @@ impl Platform for WindowsPlatform {
     }
 
     fn reveal_path(&self, path: &Path) {
-        let Ok(file_full_path) = path.canonicalize() else {
-            log::error!("unable to parse file path");
+        if path.as_os_str().is_empty() {
             return;
-        };
+        }
+        let path = path.to_path_buf();
         self.background_executor()
             .spawn(async move {
-                let Some(path) = file_full_path.to_str() else {
-                    return;
-                };
-                if path.is_empty() {
-                    return;
-                }
-                open_target_in_explorer(path);
+                open_target_in_explorer(&path)
+                    .with_context(|| format!("Revealing path {} in explorer", path.display()))
+                    .log_err();
             })
             .detach();
     }
 
     fn open_with_system(&self, path: &Path) {
-        let Ok(full_path) = path.canonicalize() else {
-            log::error!("unable to parse file full path: {}", path.display());
+        if path.as_os_str().is_empty() {
             return;
-        };
+        }
+        let path = path.to_path_buf();
         self.background_executor()
             .spawn(async move {
-                let Some(full_path_str) = full_path.to_str() else {
-                    return;
-                };
-                if full_path_str.is_empty() {
-                    return;
-                };
-                open_target(full_path_str);
+                open_target(&path)
+                    .with_context(|| format!("Opening {} with system", path.display()))
+                    .log_err();
             })
             .detach();
     }
@@ -715,41 +727,70 @@ pub(crate) struct WindowCreationInfo {
     pub(crate) validation_number: usize,
     pub(crate) main_receiver: flume::Receiver<Runnable>,
     pub(crate) main_thread_id_win32: u32,
+    pub(crate) disable_direct_composition: bool,
 }
 
-fn open_target(target: &str) {
-    unsafe {
-        let ret = ShellExecuteW(
+fn open_target(target: impl AsRef<OsStr>) -> Result<()> {
+    let target = target.as_ref();
+    let ret = unsafe {
+        ShellExecuteW(
             None,
             windows::core::w!("open"),
             &HSTRING::from(target),
             None,
             None,
             SW_SHOWDEFAULT,
-        );
-        if ret.0 as isize <= 32 {
-            log::error!("Unable to open target: {}", std::io::Error::last_os_error());
-        }
+        )
+    };
+    if ret.0 as isize <= 32 {
+        Err(anyhow::anyhow!(
+            "Unable to open target: {}",
+            std::io::Error::last_os_error()
+        ))
+    } else {
+        Ok(())
     }
 }
 
-fn open_target_in_explorer(target: &str) {
+fn open_target_in_explorer(target: &Path) -> Result<()> {
+    let dir = target.parent().context("No parent folder found")?;
+    let desktop = unsafe { SHGetDesktopFolder()? };
+
+    let mut dir_item = std::ptr::null_mut();
     unsafe {
-        let ret = ShellExecuteW(
+        desktop.ParseDisplayName(
+            HWND::default(),
             None,
-            windows::core::w!("open"),
-            windows::core::w!("explorer.exe"),
-            &HSTRING::from(format!("/select,{}", target).as_str()),
+            &HSTRING::from(dir),
             None,
-            SW_SHOWDEFAULT,
-        );
-        if ret.0 as isize <= 32 {
-            log::error!(
-                "Unable to open target in explorer: {}",
-                std::io::Error::last_os_error()
-            );
-        }
+            &mut dir_item,
+            std::ptr::null_mut(),
+        )?;
     }
+
+    let mut file_item = std::ptr::null_mut();
+    unsafe {
+        desktop.ParseDisplayName(
+            HWND::default(),
+            None,
+            &HSTRING::from(target),
+            None,
+            &mut file_item,
+            std::ptr::null_mut(),
+        )?;
+    }
+
+    let highlight = [file_item as *const _];
+    unsafe { SHOpenFolderAndSelectItems(dir_item as _, Some(&highlight), 0) }.or_else(|err| {
+        if err.code().0 == ERROR_FILE_NOT_FOUND.0 as i32 {
+            // On some systems, the above call mysteriously fails with "file not
+            // found" even though the file is there.  In these cases, ShellExecute()
+            // seems to work as a fallback (although it won't select the file).
+            open_target(dir).context("Opening target parent folder")
+        } else {
+            Err(anyhow::anyhow!("Can not open target path: {}", err))
+        }
+    })
 }
 
 fn file_open_dialog(
@@ -769,6 +810,12 @@ fn file_open_dialog(
 
     unsafe {
         folder_dialog.SetOptions(dialog_options)?;
+
+        if let Some(prompt) = options.prompt {
+            let prompt: &str = &prompt;
+            folder_dialog.SetOkButtonLabel(&HSTRING::from(prompt))?;
+        }
+
         if folder_dialog.Show(window).is_err() {
             // User cancelled
             return Ok(None);
@@ -791,17 +838,26 @@ fn file_open_dialog(
     Ok(Some(paths))
 }
 
-fn file_save_dialog(directory: PathBuf, window: Option<HWND>) -> Result<Option<PathBuf>> {
+fn file_save_dialog(
+    directory: PathBuf,
+    suggested_name: Option<String>,
+    window: Option<HWND>,
+) -> Result<Option<PathBuf>> {
     let dialog: IFileSaveDialog = unsafe { CoCreateInstance(&FileSaveDialog, None, CLSCTX_ALL)? };
-    if !directory.to_string_lossy().is_empty() {
-        if let Some(full_path) = directory.canonicalize().log_err() {
-            let full_path = SanitizedPath::from(full_path);
-            let full_path_string = full_path.to_string();
-            let path_item: IShellItem =
-                unsafe { SHCreateItemFromParsingName(&HSTRING::from(full_path_string), None)? };
-            unsafe { dialog.SetFolder(&path_item).log_err() };
-        }
+    if !directory.to_string_lossy().is_empty()
+        && let Some(full_path) = directory.canonicalize().log_err()
+    {
+        let full_path = SanitizedPath::from(full_path);
+        let full_path_string = full_path.to_string();
+        let path_item: IShellItem =
+            unsafe { SHCreateItemFromParsingName(&HSTRING::from(full_path_string), None)? };
+        unsafe { dialog.SetFolder(&path_item).log_err() };
     }
+
+    if let Some(suggested_name) = suggested_name {
+        unsafe { dialog.SetFileName(&HSTRING::from(suggested_name)).log_err() };
+    }
+
     unsafe {
         dialog.SetFileTypes(&[Common::COMDLG_FILTERSPEC {
             pszName: windows::core::w!("All files"),
diff --git a/crates/gpui/src/platform/windows/shaders.hlsl b/crates/gpui/src/platform/windows/shaders.hlsl
index 954040c4c3..6fabe859e3 100644
--- a/crates/gpui/src/platform/windows/shaders.hlsl
+++ b/crates/gpui/src/platform/windows/shaders.hlsl
@@ -1,6 +1,6 @@
 cbuffer GlobalParams: register(b0) {
     float2 global_viewport_size;
-    uint2 _global_pad;
+    uint2 _pad;
 };
 
 Texture2D<float4> t_sprite: register(t0);
@@ -914,7 +914,7 @@ float4 path_rasterization_fragment(PathFragmentInput input): SV_Target {
     float2 dx = ddx(input.st_position);
     float2 dy = ddy(input.st_position);
     PathRasterizationSprite sprite = path_rasterization_sprites[input.vertex_id];
-    
+
     Background background = sprite.color;
     Bounds bounds = sprite.bounds;
 
@@ -1021,13 +1021,18 @@ UnderlineVertexOutput underline_vertex(uint vertex_id: SV_VertexID, uint underli
 }
 
 float4 underline_fragment(UnderlineFragmentInput input): SV_Target {
+    const float WAVE_FREQUENCY = 2.0;
+    const float WAVE_HEIGHT_RATIO = 0.8;
+
     Underline underline = underlines[input.underline_id];
     if (underline.wavy) {
         float half_thickness = underline.thickness * 0.5;
         float2 origin = underline.bounds.origin;
+
         float2 st = ((input.position.xy - origin) / underline.bounds.size.y) - float2(0., 0.5);
-        float frequency = (M_PI_F * (3. * underline.thickness)) / 8.;
-        float amplitude = 1. / (2. * underline.thickness);
+        float frequency = (M_PI_F * WAVE_FREQUENCY * underline.thickness) / underline.bounds.size.y;
+        float amplitude = (underline.thickness * WAVE_HEIGHT_RATIO) / underline.bounds.size.y;
+
         float sine = sin(st.x * frequency) * amplitude;
         float dSine = cos(st.x * frequency) * amplitude * frequency;
         float distance = (st.y - sine) / sqrt(1. + dSine * dSine);
@@ -1069,6 +1074,7 @@ struct MonochromeSpriteFragmentInput {
     float4 position: SV_Position;
     float2 tile_position: POSITION;
     nointerpolation float4 color: COLOR;
+    float4 clip_distance: SV_ClipDistance;
 };
 
 StructuredBuffer<MonochromeSprite> mono_sprites: register(t1);
@@ -1091,10 +1097,8 @@ MonochromeSpriteVertexOutput monochrome_sprite_vertex(uint vertex_id: SV_VertexI
 }
 
 float4 monochrome_sprite_fragment(MonochromeSpriteFragmentInput input): SV_Target {
-    float4 sample = t_sprite.Sample(s_sprite, input.tile_position);
-    float4 color = input.color;
-    color.a *= sample.a;
-    return color;
+    float sample = t_sprite.Sample(s_sprite, input.tile_position).r;
+    return float4(input.color.rgb, input.color.a * sample);
 }
 
 /*
diff --git a/crates/gpui/src/platform/windows/util.rs b/crates/gpui/src/platform/windows/util.rs
index 5fb8febe3b..af71dfe4a1 100644
--- a/crates/gpui/src/platform/windows/util.rs
+++ b/crates/gpui/src/platform/windows/util.rs
@@ -1,14 +1,18 @@
 use std::sync::OnceLock;
 
 use ::util::ResultExt;
+use anyhow::Context;
 use windows::{
     UI::{
         Color,
         ViewManagement::{UIColorType, UISettings},
     },
     Wdk::System::SystemServices::RtlGetVersion,
-    Win32::{Foundation::*, Graphics::Dwm::*, UI::WindowsAndMessaging::*},
-    core::{BOOL, HSTRING},
+    Win32::{
+        Foundation::*, Graphics::Dwm::*, System::LibraryLoader::LoadLibraryA,
+        UI::WindowsAndMessaging::*,
+    },
+    core::{BOOL, HSTRING, PCSTR},
 };
 
 use crate::*;
@@ -197,3 +201,19 @@ pub(crate) fn show_error(title: &str, content: String) {
         )
     };
 }
+
+pub(crate) fn with_dll_library<R, F>(dll_name: PCSTR, f: F) -> Result<R>
+where
+    F: FnOnce(HMODULE) -> Result<R>,
+{
+    let library = unsafe {
+        LoadLibraryA(dll_name).with_context(|| format!("Loading dll: {}", dll_name.display()))?
+    };
+    let result = f(library);
+    unsafe {
+        FreeLibrary(library)
+            .with_context(|| format!("Freeing dll: {}", dll_name.display()))
+            .log_err();
+    }
+    result
+}
diff --git a/crates/gpui/src/platform/windows/vsync.rs b/crates/gpui/src/platform/windows/vsync.rs
new file mode 100644
index 0000000000..6d09b0960f
--- /dev/null
+++ b/crates/gpui/src/platform/windows/vsync.rs
@@ -0,0 +1,174 @@
+use std::{
+    sync::LazyLock,
+    time::{Duration, Instant},
+};
+
+use anyhow::{Context, Result};
+use util::ResultExt;
+use windows::{
+    Win32::{
+        Foundation::{HANDLE, HWND},
+        Graphics::{
+            DirectComposition::{
+                COMPOSITION_FRAME_ID_COMPLETED, COMPOSITION_FRAME_ID_TYPE, COMPOSITION_FRAME_STATS,
+                COMPOSITION_TARGET_ID,
+            },
+            Dwm::{DWM_TIMING_INFO, DwmFlush, DwmGetCompositionTimingInfo},
+        },
+        System::{
+            LibraryLoader::{GetModuleHandleA, GetProcAddress},
+            Performance::QueryPerformanceFrequency,
+            Threading::INFINITE,
+        },
+    },
+    core::{HRESULT, s},
+};
+
+static QPC_TICKS_PER_SECOND: LazyLock<u64> = LazyLock::new(|| {
+    let mut frequency = 0;
+    // On systems that run Windows XP or later, the function will always succeed and
+    // will thus never return zero.
+    unsafe { QueryPerformanceFrequency(&mut frequency).unwrap() };
+    frequency as u64
+});
+
+const VSYNC_INTERVAL_THRESHOLD: Duration = Duration::from_millis(1);
+const DEFAULT_VSYNC_INTERVAL: Duration = Duration::from_micros(16_666); // ~60Hz
+
+// Here we are using dynamic loading of DirectComposition functions,
+// or the app will refuse to start on windows systems that do not support DirectComposition.
+type DCompositionGetFrameId =
+    unsafe extern "system" fn(frameidtype: COMPOSITION_FRAME_ID_TYPE, frameid: *mut u64) -> HRESULT;
+type DCompositionGetStatistics = unsafe extern "system" fn(
+    frameid: u64,
+    framestats: *mut COMPOSITION_FRAME_STATS,
+    targetidcount: u32,
+    targetids: *mut COMPOSITION_TARGET_ID,
+    actualtargetidcount: *mut u32,
+) -> HRESULT;
+type DCompositionWaitForCompositorClock =
+    unsafe extern "system" fn(count: u32, handles: *const HANDLE, timeoutinms: u32) -> u32;
+
+pub(crate) struct VSyncProvider {
+    interval: Duration,
+    f: Box<dyn Fn() -> bool>,
+}
+
+impl VSyncProvider {
+    pub(crate) fn new() -> Self {
+        if let Some((get_frame_id, get_statistics, wait_for_comp_clock)) =
+            initialize_direct_composition()
+                .context("Retrieving DirectComposition functions")
+                .log_with_level(log::Level::Warn)
+        {
+            let interval = get_dwm_interval_from_direct_composition(get_frame_id, get_statistics)
+                .context("Failed to get DWM interval from DirectComposition")
+                .log_err()
+                .unwrap_or(DEFAULT_VSYNC_INTERVAL);
+            log::info!(
+                "DirectComposition is supported for VSync, interval: {:?}",
+                interval
+            );
+            let f = Box::new(move || unsafe {
+                wait_for_comp_clock(0, std::ptr::null(), INFINITE) == 0
+            });
+            Self { interval, f }
+        } else {
+            let interval = get_dwm_interval()
+                .context("Failed to get DWM interval")
+                .log_err()
+                .unwrap_or(DEFAULT_VSYNC_INTERVAL);
+            log::info!(
+                "DirectComposition is not supported for VSync, falling back to DWM, interval: {:?}",
+                interval
+            );
+            let f = Box::new(|| unsafe { DwmFlush().is_ok() });
+            Self { interval, f }
+        }
+    }
+
+    pub(crate) fn wait_for_vsync(&self) {
+        let vsync_start = Instant::now();
+        let wait_succeeded = (self.f)();
+        let elapsed = vsync_start.elapsed();
+        // DwmFlush and DCompositionWaitForCompositorClock returns very early
+        // instead of waiting until vblank when the monitor goes to sleep or is
+        // unplugged (nothing to present due to desktop occlusion). We use 1ms as
+        // a threshhold for the duration of the wait functions and fallback to
+        // Sleep() if it returns before that. This could happen during normal
+        // operation for the first call after the vsync thread becomes non-idle,
+        // but it shouldn't happen often.
+        if !wait_succeeded || elapsed < VSYNC_INTERVAL_THRESHOLD {
+            log::trace!("VSyncProvider::wait_for_vsync() took less time than expected");
+            std::thread::sleep(self.interval);
+        }
+    }
+}
+
+fn initialize_direct_composition() -> Result<(
+    DCompositionGetFrameId,
+    DCompositionGetStatistics,
+    DCompositionWaitForCompositorClock,
+)> {
+    unsafe {
+        // Load DLL at runtime since older Windows versions don't have dcomp.
+        let hmodule = GetModuleHandleA(s!("dcomp.dll")).context("Loading dcomp.dll")?;
+        let get_frame_id_addr = GetProcAddress(hmodule, s!("DCompositionGetFrameId"))
+            .context("Function DCompositionGetFrameId not found")?;
+        let get_statistics_addr = GetProcAddress(hmodule, s!("DCompositionGetStatistics"))
+            .context("Function DCompositionGetStatistics not found")?;
+        let wait_for_compositor_clock_addr =
+            GetProcAddress(hmodule, s!("DCompositionWaitForCompositorClock"))
+                .context("Function DCompositionWaitForCompositorClock not found")?;
+        let get_frame_id: DCompositionGetFrameId = std::mem::transmute(get_frame_id_addr);
+        let get_statistics: DCompositionGetStatistics = std::mem::transmute(get_statistics_addr);
+        let wait_for_compositor_clock: DCompositionWaitForCompositorClock =
+            std::mem::transmute(wait_for_compositor_clock_addr);
+        Ok((get_frame_id, get_statistics, wait_for_compositor_clock))
+    }
+}
+
+fn get_dwm_interval_from_direct_composition(
+    get_frame_id: DCompositionGetFrameId,
+    get_statistics: DCompositionGetStatistics,
+) -> Result<Duration> {
+    let mut frame_id = 0;
+    unsafe { get_frame_id(COMPOSITION_FRAME_ID_COMPLETED, &mut frame_id) }.ok()?;
+    let mut stats = COMPOSITION_FRAME_STATS::default();
+    unsafe {
+        get_statistics(
+            frame_id,
+            &mut stats,
+            0,
+            std::ptr::null_mut(),
+            std::ptr::null_mut(),
+        )
+    }
+    .ok()?;
+    Ok(retrieve_duration(stats.framePeriod, *QPC_TICKS_PER_SECOND))
+}
+
+fn get_dwm_interval() -> Result<Duration> {
+    let mut timing_info = DWM_TIMING_INFO {
+        cbSize: std::mem::size_of::<DWM_TIMING_INFO>() as u32,
+        ..Default::default()
+    };
+    unsafe { DwmGetCompositionTimingInfo(HWND::default(), &mut timing_info) }?;
+    let interval = retrieve_duration(timing_info.qpcRefreshPeriod, *QPC_TICKS_PER_SECOND);
+    // Check for interval values that are impossibly low. A 29 microsecond
+    // interval was seen (from a qpcRefreshPeriod of 60).
+    if interval < VSYNC_INTERVAL_THRESHOLD {
+        Ok(retrieve_duration(
+            timing_info.rateRefresh.uiDenominator as u64,
+            timing_info.rateRefresh.uiNumerator as u64,
+        ))
+    } else {
+        Ok(interval)
+    }
+}
+
+#[inline]
+fn retrieve_duration(counts: u64, ticks_per_second: u64) -> Duration {
+    let ticks_per_microsecond = ticks_per_second / 1_000_000;
+    Duration::from_micros(counts / ticks_per_microsecond)
+}
diff --git a/crates/gpui/src/platform/windows/window.rs b/crates/gpui/src/platform/windows/window.rs
index 1141e93565..99e5073371 100644
--- a/crates/gpui/src/platform/windows/window.rs
+++ b/crates/gpui/src/platform/windows/window.rs
@@ -28,7 +28,7 @@ use windows::{
 
 use crate::*;
 
-pub(crate) struct WindowsWindow(pub Rc<WindowsWindowStatePtr>);
+pub(crate) struct WindowsWindow(pub Rc<WindowsWindowInner>);
 
 pub struct WindowsWindowState {
     pub origin: Point<Pixels>,
@@ -61,9 +61,9 @@ pub struct WindowsWindowState {
     hwnd: HWND,
 }
 
-pub(crate) struct WindowsWindowStatePtr {
+pub(crate) struct WindowsWindowInner {
     hwnd: HWND,
-    this: Weak<Self>,
+    pub(super) this: Weak<Self>,
     drop_target_helper: IDropTargetHelper,
     pub(crate) state: RefCell<WindowsWindowState>,
     pub(crate) handle: AnyWindowHandle,
@@ -79,7 +79,7 @@ pub(crate) struct WindowsWindowStatePtr {
 impl WindowsWindowState {
     fn new(
         hwnd: HWND,
-        cs: &CREATESTRUCTW,
+        window_params: &CREATESTRUCTW,
         current_cursor: Option<HCURSOR>,
         display: WindowsDisplay,
         min_size: Option<Size<Pixels>>,
@@ -90,9 +90,12 @@ impl WindowsWindowState {
             let monitor_dpi = unsafe { GetDpiForWindow(hwnd) } as f32;
             monitor_dpi / USER_DEFAULT_SCREEN_DPI as f32
         };
-        let origin = logical_point(cs.x as f32, cs.y as f32, scale_factor);
+        let origin = logical_point(window_params.x as f32, window_params.y as f32, scale_factor);
         let logical_size = {
-            let physical_size = size(DevicePixels(cs.cx), DevicePixels(cs.cy));
+            let physical_size = size(
+                DevicePixels(window_params.cx),
+                DevicePixels(window_params.cy),
+            );
             physical_size.to_pixels(scale_factor)
         };
         let fullscreen_restore_bounds = Bounds {
@@ -201,7 +204,7 @@ impl WindowsWindowState {
     }
 }
 
-impl WindowsWindowStatePtr {
+impl WindowsWindowInner {
     fn new(context: &WindowCreateContext, hwnd: HWND, cs: &CREATESTRUCTW) -> Result<Rc<Self>> {
         let state = RefCell::new(WindowsWindowState::new(
             hwnd,
@@ -230,13 +233,13 @@ impl WindowsWindowStatePtr {
     }
 
     fn toggle_fullscreen(&self) {
-        let Some(state_ptr) = self.this.upgrade() else {
+        let Some(this) = self.this.upgrade() else {
             log::error!("Unable to toggle fullscreen: window has been dropped");
             return;
         };
         self.executor
             .spawn(async move {
-                let mut lock = state_ptr.state.borrow_mut();
+                let mut lock = this.state.borrow_mut();
                 let StyleAndBounds {
                     style,
                     x,
@@ -248,10 +251,9 @@ impl WindowsWindowStatePtr {
                 } else {
                     let (window_bounds, _) = lock.calculate_window_bounds();
                     lock.fullscreen_restore_bounds = window_bounds;
-                    let style =
-                        WINDOW_STYLE(unsafe { get_window_long(state_ptr.hwnd, GWL_STYLE) } as _);
+                    let style = WINDOW_STYLE(unsafe { get_window_long(this.hwnd, GWL_STYLE) } as _);
                     let mut rc = RECT::default();
-                    unsafe { GetWindowRect(state_ptr.hwnd, &mut rc) }.log_err();
+                    unsafe { GetWindowRect(this.hwnd, &mut rc) }.log_err();
                     let _ = lock.fullscreen.insert(StyleAndBounds {
                         style,
                         x: rc.left,
@@ -275,10 +277,10 @@ impl WindowsWindowStatePtr {
                     }
                 };
                 drop(lock);
-                unsafe { set_window_long(state_ptr.hwnd, GWL_STYLE, style.0 as isize) };
+                unsafe { set_window_long(this.hwnd, GWL_STYLE, style.0 as isize) };
                 unsafe {
                     SetWindowPos(
-                        state_ptr.hwnd,
+                        this.hwnd,
                         None,
                         x,
                         y,
@@ -328,7 +330,7 @@ pub(crate) struct Callbacks {
 }
 
 struct WindowCreateContext {
-    inner: Option<Result<Rc<WindowsWindowStatePtr>>>,
+    inner: Option<Result<Rc<WindowsWindowInner>>>,
     handle: AnyWindowHandle,
     hide_title_bar: bool,
     display: WindowsDisplay,
@@ -360,14 +362,15 @@ impl WindowsWindow {
             validation_number,
             main_receiver,
             main_thread_id_win32,
+            disable_direct_composition,
         } = creation_info;
-        let classname = register_wnd_class(icon);
+        register_window_class(icon);
         let hide_title_bar = params
             .titlebar
             .as_ref()
             .map(|titlebar| titlebar.appears_transparent)
             .unwrap_or(true);
-        let windowname = HSTRING::from(
+        let window_name = HSTRING::from(
             params
                 .titlebar
                 .as_ref()
@@ -375,8 +378,6 @@ impl WindowsWindow {
                 .map(|title| title.as_ref())
                 .unwrap_or(""),
         );
-        let disable_direct_composition = std::env::var(DISABLE_DIRECT_COMPOSITION)
-            .is_ok_and(|value| value == "true" || value == "1");
 
         let (mut dwexstyle, dwstyle) = if params.kind == WindowKind::PopUp {
             (WS_EX_TOOLWINDOW, WINDOW_STYLE(0x0))
@@ -415,12 +416,11 @@ impl WindowsWindow {
             appearance,
             disable_direct_composition,
         };
-        let lpparam = Some(&context as *const _ as *const _);
         let creation_result = unsafe {
             CreateWindowExW(
                 dwexstyle,
-                classname,
-                &windowname,
+                WINDOW_CLASS_NAME,
+                &window_name,
                 dwstyle,
                 CW_USEDEFAULT,
                 CW_USEDEFAULT,
@@ -429,33 +429,35 @@ impl WindowsWindow {
                 None,
                 None,
                 Some(hinstance.into()),
-                lpparam,
+                Some(&context as *const _ as *const _),
             )
         };
-        // We should call `?` on state_ptr first, then call `?` on hwnd.
-        // Or, we will lose the error info reported by `WindowsWindowState::new`
-        let state_ptr = context.inner.take().unwrap()?;
+
+        // Failure to create a `WindowsWindowState` can cause window creation to fail,
+        // so check the inner result first.
+        let this = context.inner.take().unwrap()?;
         let hwnd = creation_result?;
-        register_drag_drop(state_ptr.clone())?;
+
+        register_drag_drop(&this)?;
         configure_dwm_dark_mode(hwnd, appearance);
-        state_ptr.state.borrow_mut().border_offset.update(hwnd)?;
+        this.state.borrow_mut().border_offset.update(hwnd)?;
         let placement = retrieve_window_placement(
             hwnd,
             display,
             params.bounds,
-            state_ptr.state.borrow().scale_factor,
-            state_ptr.state.borrow().border_offset,
+            this.state.borrow().scale_factor,
+            this.state.borrow().border_offset,
         )?;
         if params.show {
             unsafe { SetWindowPlacement(hwnd, &placement)? };
         } else {
-            state_ptr.state.borrow_mut().initial_placement = Some(WindowOpenStatus {
+            this.state.borrow_mut().initial_placement = Some(WindowOpenStatus {
                 placement,
                 state: WindowOpenState::Windowed,
             });
         }
 
-        Ok(Self(state_ptr))
+        Ok(Self(this))
     }
 }
 
@@ -590,10 +592,7 @@ impl PlatformWindow for WindowsWindow {
     ) -> Option<Receiver<usize>> {
         let (done_tx, done_rx) = oneshot::channel();
         let msg = msg.to_string();
-        let detail_string = match detail {
-            Some(info) => Some(info.to_string()),
-            None => None,
-        };
+        let detail_string = detail.map(|detail| detail.to_string());
         let handle = self.0.hwnd;
         let answers = answers.to_vec();
         self.0
@@ -675,6 +674,36 @@ impl PlatformWindow for WindowsWindow {
                 this.set_window_placement().log_err();
                 unsafe { SetActiveWindow(hwnd).log_err() };
                 unsafe { SetFocus(Some(hwnd)).log_err() };
+
+                // premium ragebait by windows, this is needed because the window
+                // must have received an input event to be able to set itself to foreground
+                // so let's just simulate user input as that seems to be the most reliable way
+                // some more info: https://gist.github.com/Aetopia/1581b40f00cc0cadc93a0e8ccb65dc8c
+                // bonus: this bug also doesn't manifest if you have vs attached to the process
+                let inputs = [
+                    INPUT {
+                        r#type: INPUT_KEYBOARD,
+                        Anonymous: INPUT_0 {
+                            ki: KEYBDINPUT {
+                                wVk: VK_MENU,
+                                dwFlags: KEYBD_EVENT_FLAGS(0),
+                                ..Default::default()
+                            },
+                        },
+                    },
+                    INPUT {
+                        r#type: INPUT_KEYBOARD,
+                        Anonymous: INPUT_0 {
+                            ki: KEYBDINPUT {
+                                wVk: VK_MENU,
+                                dwFlags: KEYEVENTF_KEYUP,
+                                ..Default::default()
+                            },
+                        },
+                    },
+                ];
+                unsafe { SendInput(&inputs, std::mem::size_of::<INPUT>() as i32) };
+
                 // todo(windows)
                 // crate `windows 0.56` reports true as Err
                 unsafe { SetForegroundWindow(hwnd).as_bool() };
@@ -804,7 +833,7 @@ impl PlatformWindow for WindowsWindow {
 }
 
 #[implement(IDropTarget)]
-struct WindowsDragDropHandler(pub Rc<WindowsWindowStatePtr>);
+struct WindowsDragDropHandler(pub Rc<WindowsWindowInner>);
 
 impl WindowsDragDropHandler {
     fn handle_drag_drop(&self, input: PlatformInput) {
@@ -1085,15 +1114,15 @@ enum WindowOpenState {
     Windowed,
 }
 
-fn register_wnd_class(icon_handle: HICON) -> PCWSTR {
-    const CLASS_NAME: PCWSTR = w!("Zed::Window");
+const WINDOW_CLASS_NAME: PCWSTR = w!("Zed::Window");
 
+fn register_window_class(icon_handle: HICON) {
     static ONCE: Once = Once::new();
     ONCE.call_once(|| {
         let wc = WNDCLASSW {
-            lpfnWndProc: Some(wnd_proc),
+            lpfnWndProc: Some(window_procedure),
             hIcon: icon_handle,
-            lpszClassName: PCWSTR(CLASS_NAME.as_ptr()),
+            lpszClassName: PCWSTR(WINDOW_CLASS_NAME.as_ptr()),
             style: CS_HREDRAW | CS_VREDRAW,
             hInstance: get_module_handle().into(),
             hbrBackground: unsafe { CreateSolidBrush(COLORREF(0x00000000)) },
@@ -1101,54 +1130,58 @@ fn register_wnd_class(icon_handle: HICON) -> PCWSTR {
         };
         unsafe { RegisterClassW(&wc) };
     });
-
-    CLASS_NAME
 }
 
-unsafe extern "system" fn wnd_proc(
+unsafe extern "system" fn window_procedure(
     hwnd: HWND,
     msg: u32,
     wparam: WPARAM,
     lparam: LPARAM,
 ) -> LRESULT {
     if msg == WM_NCCREATE {
-        let cs = lparam.0 as *const CREATESTRUCTW;
-        let cs = unsafe { &*cs };
-        let ctx = cs.lpCreateParams as *mut WindowCreateContext;
-        let ctx = unsafe { &mut *ctx };
-        let creation_result = WindowsWindowStatePtr::new(ctx, hwnd, cs);
-        if creation_result.is_err() {
-            ctx.inner = Some(creation_result);
-            return LRESULT(0);
-        }
-        let weak = Box::new(Rc::downgrade(creation_result.as_ref().unwrap()));
-        unsafe { set_window_long(hwnd, GWLP_USERDATA, Box::into_raw(weak) as isize) };
-        ctx.inner = Some(creation_result);
-        return unsafe { DefWindowProcW(hwnd, msg, wparam, lparam) };
+        let window_params = lparam.0 as *const CREATESTRUCTW;
+        let window_params = unsafe { &*window_params };
+        let window_creation_context = window_params.lpCreateParams as *mut WindowCreateContext;
+        let window_creation_context = unsafe { &mut *window_creation_context };
+        return match WindowsWindowInner::new(window_creation_context, hwnd, window_params) {
+            Ok(window_state) => {
+                let weak = Box::new(Rc::downgrade(&window_state));
+                unsafe { set_window_long(hwnd, GWLP_USERDATA, Box::into_raw(weak) as isize) };
+                window_creation_context.inner = Some(Ok(window_state));
+                unsafe { DefWindowProcW(hwnd, msg, wparam, lparam) }
+            }
+            Err(error) => {
+                window_creation_context.inner = Some(Err(error));
+                LRESULT(0)
+            }
+        };
     }
-    let ptr = unsafe { get_window_long(hwnd, GWLP_USERDATA) } as *mut Weak<WindowsWindowStatePtr>;
+
+    let ptr = unsafe { get_window_long(hwnd, GWLP_USERDATA) } as *mut Weak<WindowsWindowInner>;
     if ptr.is_null() {
         return unsafe { DefWindowProcW(hwnd, msg, wparam, lparam) };
     }
     let inner = unsafe { &*ptr };
-    let r = if let Some(state) = inner.upgrade() {
-        handle_msg(hwnd, msg, wparam, lparam, state)
+    let result = if let Some(inner) = inner.upgrade() {
+        inner.handle_msg(hwnd, msg, wparam, lparam)
     } else {
         unsafe { DefWindowProcW(hwnd, msg, wparam, lparam) }
     };
+
     if msg == WM_NCDESTROY {
         unsafe { set_window_long(hwnd, GWLP_USERDATA, 0) };
         unsafe { drop(Box::from_raw(ptr)) };
     }
-    r
+
+    result
 }
 
-pub(crate) fn try_get_window_inner(hwnd: HWND) -> Option<Rc<WindowsWindowStatePtr>> {
+pub(crate) fn window_from_hwnd(hwnd: HWND) -> Option<Rc<WindowsWindowInner>> {
     if hwnd.is_invalid() {
         return None;
     }
 
-    let ptr = unsafe { get_window_long(hwnd, GWLP_USERDATA) } as *mut Weak<WindowsWindowStatePtr>;
+    let ptr = unsafe { get_window_long(hwnd, GWLP_USERDATA) } as *mut Weak<WindowsWindowInner>;
     if !ptr.is_null() {
         let inner = unsafe { &*ptr };
         inner.upgrade()
@@ -1171,9 +1204,9 @@ fn get_module_handle() -> HMODULE {
     }
 }
 
-fn register_drag_drop(state_ptr: Rc<WindowsWindowStatePtr>) -> Result<()> {
-    let window_handle = state_ptr.hwnd;
-    let handler = WindowsDragDropHandler(state_ptr);
+fn register_drag_drop(window: &Rc<WindowsWindowInner>) -> Result<()> {
+    let window_handle = window.hwnd;
+    let handler = WindowsDragDropHandler(window.clone());
     // The lifetime of `IDropTarget` is handled by Windows, it won't release until
     // we call `RevokeDragDrop`.
     // So, it's safe to drop it here.
diff --git a/crates/gpui/src/platform/windows/wrapper.rs b/crates/gpui/src/platform/windows/wrapper.rs
index 6015dffdab..60bbc433ca 100644
--- a/crates/gpui/src/platform/windows/wrapper.rs
+++ b/crates/gpui/src/platform/windows/wrapper.rs
@@ -1,28 +1,6 @@
 use std::ops::Deref;
 
-use windows::Win32::{Foundation::HANDLE, UI::WindowsAndMessaging::HCURSOR};
-
-#[derive(Debug, Clone, Copy)]
-pub(crate) struct SafeHandle {
-    raw: HANDLE,
-}
-
-unsafe impl Send for SafeHandle {}
-unsafe impl Sync for SafeHandle {}
-
-impl From<HANDLE> for SafeHandle {
-    fn from(value: HANDLE) -> Self {
-        SafeHandle { raw: value }
-    }
-}
-
-impl Deref for SafeHandle {
-    type Target = HANDLE;
-
-    fn deref(&self) -> &Self::Target {
-        &self.raw
-    }
-}
+use windows::Win32::{Foundation::HWND, UI::WindowsAndMessaging::HCURSOR};
 
 #[derive(Debug, Clone, Copy)]
 pub(crate) struct SafeCursor {
@@ -45,3 +23,31 @@ impl Deref for SafeCursor {
         &self.raw
     }
 }
+
+#[derive(Debug, Clone, Copy)]
+pub(crate) struct SafeHwnd {
+    raw: HWND,
+}
+
+impl SafeHwnd {
+    pub(crate) fn as_raw(&self) -> HWND {
+        self.raw
+    }
+}
+
+unsafe impl Send for SafeHwnd {}
+unsafe impl Sync for SafeHwnd {}
+
+impl From<HWND> for SafeHwnd {
+    fn from(value: HWND) -> Self {
+        SafeHwnd { raw: value }
+    }
+}
+
+impl Deref for SafeHwnd {
+    type Target = HWND;
+
+    fn deref(&self) -> &Self::Target {
+        &self.raw
+    }
+}
diff --git a/crates/gpui/src/scene.rs b/crates/gpui/src/scene.rs
index ec8d720cdf..758d06e597 100644
--- a/crates/gpui/src/scene.rs
+++ b/crates/gpui/src/scene.rs
@@ -8,7 +8,12 @@ use crate::{
     AtlasTextureId, AtlasTile, Background, Bounds, ContentMask, Corners, Edges, Hsla, Pixels,
     Point, Radians, ScaledPixels, Size, bounds_tree::BoundsTree, point,
 };
-use std::{fmt::Debug, iter::Peekable, ops::Range, slice};
+use std::{
+    fmt::Debug,
+    iter::Peekable,
+    ops::{Add, Range, Sub},
+    slice,
+};
 
 #[allow(non_camel_case_types, unused)]
 pub(crate) type PathVertex_ScaledPixels = PathVertex<ScaledPixels>;
@@ -471,7 +476,7 @@ pub(crate) struct Underline {
     pub content_mask: ContentMask<ScaledPixels>,
     pub color: Hsla,
     pub thickness: ScaledPixels,
-    pub wavy: bool,
+    pub wavy: u32,
 }
 
 impl From<Underline> for Primitive {
@@ -793,6 +798,16 @@ impl Path<Pixels> {
     }
 }
 
+impl<T> Path<T>
+where
+    T: Clone + Debug + Default + PartialEq + PartialOrd + Add<T, Output = T> + Sub<Output = T>,
+{
+    #[allow(unused)]
+    pub(crate) fn clipped_bounds(&self) -> Bounds<T> {
+        self.bounds.intersect(&self.content_mask.bounds)
+    }
+}
+
 impl From<Path<ScaledPixels>> for Primitive {
     fn from(path: Path<ScaledPixels>) -> Self {
         Primitive::Path(path)
diff --git a/crates/gpui/src/shared_string.rs b/crates/gpui/src/shared_string.rs
index c325f98cd2..350184d350 100644
--- a/crates/gpui/src/shared_string.rs
+++ b/crates/gpui/src/shared_string.rs
@@ -23,6 +23,11 @@ impl SharedString {
     pub fn new(str: impl Into<Arc<str>>) -> Self {
         SharedString(ArcCow::Owned(str.into()))
     }
+
+    /// Get a &str from the underlying string.
+    pub fn as_str(&self) -> &str {
+        &self.0
+    }
 }
 
 impl JsonSchema for SharedString {
@@ -103,7 +108,7 @@ impl From<SharedString> for Arc<str> {
     fn from(val: SharedString) -> Self {
         match val.0 {
             ArcCow::Borrowed(borrowed) => Arc::from(borrowed),
-            ArcCow::Owned(owned) => owned.clone(),
+            ArcCow::Owned(owned) => owned,
         }
     }
 }
diff --git a/crates/gpui/src/style.rs b/crates/gpui/src/style.rs
index 560de7b924..5b69ce7fa6 100644
--- a/crates/gpui/src/style.rs
+++ b/crates/gpui/src/style.rs
@@ -7,7 +7,7 @@ use std::{
 use crate::{
     AbsoluteLength, App, Background, BackgroundTag, BorderStyle, Bounds, ContentMask, Corners,
     CornersRefinement, CursorStyle, DefiniteLength, DevicePixels, Edges, EdgesRefinement, Font,
-    FontFallbacks, FontFeatures, FontStyle, FontWeight, Hsla, Length, Pixels, Point,
+    FontFallbacks, FontFeatures, FontStyle, FontWeight, GridLocation, Hsla, Length, Pixels, Point,
     PointRefinement, Rgba, SharedString, Size, SizeRefinement, Styled, TextRun, Window, black, phi,
     point, quad, rems, size,
 };
@@ -260,6 +260,17 @@ pub struct Style {
     /// The opacity of this element
     pub opacity: Option<f32>,
 
+    /// The grid columns of this element
+    /// Equivalent to the Tailwind `grid-cols-<number>`
+    pub grid_cols: Option<u16>,
+
+    /// The row span of this element
+    /// Equivalent to the Tailwind `grid-rows-<number>`
+    pub grid_rows: Option<u16>,
+
+    /// The grid location of this element
+    pub grid_location: Option<GridLocation>,
+
     /// Whether to draw a red debugging outline around this element
     #[cfg(debug_assertions)]
     pub debug: bool,
@@ -275,6 +286,13 @@ impl Styled for StyleRefinement {
     }
 }
 
+impl StyleRefinement {
+    /// The grid location of this element
+    pub fn grid_location_mut(&mut self) -> &mut GridLocation {
+        self.grid_location.get_or_insert_default()
+    }
+}
+
 /// The value of the visibility property, similar to the CSS property `visibility`
 #[derive(Default, Clone, Copy, Debug, Eq, PartialEq, Serialize, Deserialize, JsonSchema)]
 pub enum Visibility {
@@ -555,7 +573,7 @@ impl Style {
 
                 if self
                     .border_color
-                    .map_or(false, |color| !color.is_transparent())
+                    .is_some_and(|color| !color.is_transparent())
                 {
                     min.x += self.border_widths.left.to_pixels(rem_size);
                     max.x -= self.border_widths.right.to_pixels(rem_size);
@@ -615,7 +633,7 @@ impl Style {
         window.paint_shadows(bounds, corner_radii, &self.box_shadow);
 
         let background_color = self.background.as_ref().and_then(Fill::color);
-        if background_color.map_or(false, |color| !color.is_transparent()) {
+        if background_color.is_some_and(|color| !color.is_transparent()) {
             let mut border_color = match background_color {
                 Some(color) => match color.tag {
                     BackgroundTag::Solid => color.solid,
@@ -711,7 +729,7 @@ impl Style {
 
     fn is_border_visible(&self) -> bool {
         self.border_color
-            .map_or(false, |color| !color.is_transparent())
+            .is_some_and(|color| !color.is_transparent())
             && self.border_widths.any(|length| !length.is_zero())
     }
 }
@@ -757,6 +775,9 @@ impl Default for Style {
             text: TextStyleRefinement::default(),
             mouse_cursor: None,
             opacity: None,
+            grid_rows: None,
+            grid_cols: None,
+            grid_location: None,
 
             #[cfg(debug_assertions)]
             debug: false,
diff --git a/crates/gpui/src/styled.rs b/crates/gpui/src/styled.rs
index b689f32687..c714cac14f 100644
--- a/crates/gpui/src/styled.rs
+++ b/crates/gpui/src/styled.rs
@@ -1,8 +1,8 @@
 use crate::{
     self as gpui, AbsoluteLength, AlignContent, AlignItems, BorderStyle, CursorStyle,
-    DefiniteLength, Display, Fill, FlexDirection, FlexWrap, Font, FontStyle, FontWeight, Hsla,
-    JustifyContent, Length, SharedString, StrikethroughStyle, StyleRefinement, TextAlign,
-    TextOverflow, TextStyleRefinement, UnderlineStyle, WhiteSpace, px, relative, rems,
+    DefiniteLength, Display, Fill, FlexDirection, FlexWrap, Font, FontStyle, FontWeight,
+    GridPlacement, Hsla, JustifyContent, Length, SharedString, StrikethroughStyle, StyleRefinement,
+    TextAlign, TextOverflow, TextStyleRefinement, UnderlineStyle, WhiteSpace, px, relative, rems,
 };
 pub use gpui_macros::{
     border_style_methods, box_shadow_style_methods, cursor_style_methods, margin_style_methods,
@@ -46,6 +46,13 @@ pub trait Styled: Sized {
         self
     }
 
+    /// Sets the display type of the element to `grid`.
+    /// [Docs](https://tailwindcss.com/docs/display)
+    fn grid(mut self) -> Self {
+        self.style().display = Some(Display::Grid);
+        self
+    }
+
     /// Sets the whitespace of the element to `normal`.
     /// [Docs](https://tailwindcss.com/docs/whitespace#normal)
     fn whitespace_normal(mut self) -> Self {
@@ -640,6 +647,102 @@ pub trait Styled: Sized {
         self
     }
 
+    /// Sets the grid columns of this element.
+    fn grid_cols(mut self, cols: u16) -> Self {
+        self.style().grid_cols = Some(cols);
+        self
+    }
+
+    /// Sets the grid rows of this element.
+    fn grid_rows(mut self, rows: u16) -> Self {
+        self.style().grid_rows = Some(rows);
+        self
+    }
+
+    /// Sets the column start of this element.
+    fn col_start(mut self, start: i16) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.column.start = GridPlacement::Line(start);
+        self
+    }
+
+    /// Sets the column start of this element to auto.
+    fn col_start_auto(mut self) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.column.start = GridPlacement::Auto;
+        self
+    }
+
+    /// Sets the column end of this element.
+    fn col_end(mut self, end: i16) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.column.end = GridPlacement::Line(end);
+        self
+    }
+
+    /// Sets the column end of this element to auto.
+    fn col_end_auto(mut self) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.column.end = GridPlacement::Auto;
+        self
+    }
+
+    /// Sets the column span of this element.
+    fn col_span(mut self, span: u16) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.column = GridPlacement::Span(span)..GridPlacement::Span(span);
+        self
+    }
+
+    /// Sets the row span of this element.
+    fn col_span_full(mut self) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.column = GridPlacement::Line(1)..GridPlacement::Line(-1);
+        self
+    }
+
+    /// Sets the row start of this element.
+    fn row_start(mut self, start: i16) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.row.start = GridPlacement::Line(start);
+        self
+    }
+
+    /// Sets the row start of this element to "auto"
+    fn row_start_auto(mut self) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.row.start = GridPlacement::Auto;
+        self
+    }
+
+    /// Sets the row end of this element.
+    fn row_end(mut self, end: i16) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.row.end = GridPlacement::Line(end);
+        self
+    }
+
+    /// Sets the row end of this element to "auto"
+    fn row_end_auto(mut self) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.row.end = GridPlacement::Auto;
+        self
+    }
+
+    /// Sets the row span of this element.
+    fn row_span(mut self, span: u16) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.row = GridPlacement::Span(span)..GridPlacement::Span(span);
+        self
+    }
+
+    /// Sets the row span of this element.
+    fn row_span_full(mut self) -> Self {
+        let grid_location = self.style().grid_location_mut();
+        grid_location.row = GridPlacement::Line(1)..GridPlacement::Line(-1);
+        self
+    }
+
     /// Draws a debug border around this element.
     #[cfg(debug_assertions)]
     fn debug(mut self) -> Self {
diff --git a/crates/gpui/src/subscription.rs b/crates/gpui/src/subscription.rs
index a584f1a45f..bd869f8d32 100644
--- a/crates/gpui/src/subscription.rs
+++ b/crates/gpui/src/subscription.rs
@@ -201,3 +201,9 @@ impl Drop for Subscription {
         }
     }
 }
+
+impl std::fmt::Debug for Subscription {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("Subscription").finish()
+    }
+}
diff --git a/crates/gpui/src/tab_stop.rs b/crates/gpui/src/tab_stop.rs
index 7dde42efed..c4d2fda6e9 100644
--- a/crates/gpui/src/tab_stop.rs
+++ b/crates/gpui/src/tab_stop.rs
@@ -45,27 +45,18 @@ impl TabHandles {
             })
             .unwrap_or_default();
 
-        if let Some(next_handle) = self.handles.get(next_ix) {
-            Some(next_handle.clone())
-        } else {
-            None
-        }
+        self.handles.get(next_ix).cloned()
     }
 
     pub(crate) fn prev(&self, focused_id: Option<&FocusId>) -> Option<FocusHandle> {
         let ix = self.current_index(focused_id).unwrap_or_default();
-        let prev_ix;
-        if ix == 0 {
-            prev_ix = self.handles.len().saturating_sub(1);
+        let prev_ix = if ix == 0 {
+            self.handles.len().saturating_sub(1)
         } else {
-            prev_ix = ix.saturating_sub(1);
-        }
+            ix.saturating_sub(1)
+        };
 
-        if let Some(prev_handle) = self.handles.get(prev_ix) {
-            Some(prev_handle.clone())
-        } else {
-            None
-        }
+        self.handles.get(prev_ix).cloned()
     }
 }
 
@@ -90,7 +81,7 @@ mod tests {
         ];
 
         for handle in focus_handles.iter() {
-            tab.insert(&handle);
+            tab.insert(handle);
         }
         assert_eq!(
             tab.handles
diff --git a/crates/gpui/src/taffy.rs b/crates/gpui/src/taffy.rs
index f7fa54256d..58386ad1f5 100644
--- a/crates/gpui/src/taffy.rs
+++ b/crates/gpui/src/taffy.rs
@@ -3,7 +3,8 @@ use crate::{
 };
 use collections::{FxHashMap, FxHashSet};
 use smallvec::SmallVec;
-use std::fmt::Debug;
+use stacksafe::{StackSafe, stacksafe};
+use std::{fmt::Debug, ops::Range};
 use taffy::{
     TaffyTree, TraversePartialTree as _,
     geometry::{Point as TaffyPoint, Rect as TaffyRect, Size as TaffySize},
@@ -11,8 +12,15 @@ use taffy::{
     tree::NodeId,
 };
 
-type NodeMeasureFn = Box<
-    dyn FnMut(Size<Option<Pixels>>, Size<AvailableSpace>, &mut Window, &mut App) -> Size<Pixels>,
+type NodeMeasureFn = StackSafe<
+    Box<
+        dyn FnMut(
+            Size<Option<Pixels>>,
+            Size<AvailableSpace>,
+            &mut Window,
+            &mut App,
+        ) -> Size<Pixels>,
+    >,
 >;
 
 struct NodeContext {
@@ -50,23 +58,21 @@ impl TaffyLayoutEngine {
         children: &[LayoutId],
     ) -> LayoutId {
         let taffy_style = style.to_taffy(rem_size);
-        let layout_id = if children.is_empty() {
+
+        if children.is_empty() {
             self.taffy
                 .new_leaf(taffy_style)
                 .expect(EXPECT_MESSAGE)
                 .into()
         } else {
-            let parent_id = self
-                .taffy
+            self.taffy
                 // This is safe because LayoutId is repr(transparent) to taffy::tree::NodeId.
                 .new_with_children(taffy_style, unsafe {
                     std::mem::transmute::<&[LayoutId], &[taffy::NodeId]>(children)
                 })
                 .expect(EXPECT_MESSAGE)
-                .into();
-            parent_id
-        };
-        layout_id
+                .into()
+        }
     }
 
     pub fn request_measured_layout(
@@ -83,17 +89,15 @@ impl TaffyLayoutEngine {
     ) -> LayoutId {
         let taffy_style = style.to_taffy(rem_size);
 
-        let layout_id = self
-            .taffy
+        self.taffy
             .new_leaf_with_context(
                 taffy_style,
                 NodeContext {
-                    measure: Box::new(measure),
+                    measure: StackSafe::new(Box::new(measure)),
                 },
             )
             .expect(EXPECT_MESSAGE)
-            .into();
-        layout_id
+            .into()
     }
 
     // Used to understand performance
@@ -143,6 +147,7 @@ impl TaffyLayoutEngine {
         Ok(edges)
     }
 
+    #[stacksafe]
     pub fn compute_layout(
         &mut self,
         id: LayoutId,
@@ -159,7 +164,6 @@ impl TaffyLayoutEngine {
         // for (a, b) in self.get_edges(id)? {
         //     println!("N{} --> N{}", u64::from(a), u64::from(b));
         // }
-        // println!("");
         //
 
         if !self.computed_layouts.insert(id) {
@@ -251,6 +255,25 @@ trait ToTaffy<Output> {
 
 impl ToTaffy<taffy::style::Style> for Style {
     fn to_taffy(&self, rem_size: Pixels) -> taffy::style::Style {
+        use taffy::style_helpers::{fr, length, minmax, repeat};
+
+        fn to_grid_line(
+            placement: &Range<crate::GridPlacement>,
+        ) -> taffy::Line<taffy::GridPlacement> {
+            taffy::Line {
+                start: placement.start.into(),
+                end: placement.end.into(),
+            }
+        }
+
+        fn to_grid_repeat<T: taffy::style::CheapCloneStr>(
+            unit: &Option<u16>,
+        ) -> Vec<taffy::GridTemplateComponent<T>> {
+            // grid-template-columns: repeat(<number>, minmax(0, 1fr));
+            unit.map(|count| vec![repeat(count, vec![minmax(length(0.0), fr(1.0))])])
+                .unwrap_or_default()
+        }
+
         taffy::style::Style {
             display: self.display.into(),
             overflow: self.overflow.into(),
@@ -274,7 +297,19 @@ impl ToTaffy<taffy::style::Style> for Style {
             flex_basis: self.flex_basis.to_taffy(rem_size),
             flex_grow: self.flex_grow,
             flex_shrink: self.flex_shrink,
-            ..Default::default() // Ignore grid properties for now
+            grid_template_rows: to_grid_repeat(&self.grid_rows),
+            grid_template_columns: to_grid_repeat(&self.grid_cols),
+            grid_row: self
+                .grid_location
+                .as_ref()
+                .map(|location| to_grid_line(&location.row))
+                .unwrap_or_default(),
+            grid_column: self
+                .grid_location
+                .as_ref()
+                .map(|location| to_grid_line(&location.column))
+                .unwrap_or_default(),
+            ..Default::default()
         }
     }
 }
diff --git a/crates/gpui/src/text_system.rs b/crates/gpui/src/text_system.rs
index ed1307c6cd..53991089da 100644
--- a/crates/gpui/src/text_system.rs
+++ b/crates/gpui/src/text_system.rs
@@ -65,7 +65,7 @@ impl TextSystem {
             font_runs_pool: Mutex::default(),
             fallback_font_stack: smallvec![
                 // TODO: Remove this when Linux have implemented setting fallbacks.
-                font("Zed Plex Mono"),
+                font(".ZedMono"),
                 font("Helvetica"),
                 font("Segoe UI"),  // Windows
                 font("Cantarell"), // Gnome
@@ -96,7 +96,7 @@ impl TextSystem {
     }
 
     /// Get the FontId for the configure font family and style.
-    pub fn font_id(&self, font: &Font) -> Result<FontId> {
+    fn font_id(&self, font: &Font) -> Result<FontId> {
         fn clone_font_id_result(font_id: &Result<FontId>) -> Result<FontId> {
             match font_id {
                 Ok(font_id) => Ok(*font_id),
@@ -366,15 +366,14 @@ impl WindowTextSystem {
 
         let mut decoration_runs = SmallVec::<[DecorationRun; 32]>::new();
         for run in runs {
-            if let Some(last_run) = decoration_runs.last_mut() {
-                if last_run.color == run.color
-                    && last_run.underline == run.underline
-                    && last_run.strikethrough == run.strikethrough
-                    && last_run.background_color == run.background_color
-                {
-                    last_run.len += run.len as u32;
-                    continue;
-                }
+            if let Some(last_run) = decoration_runs.last_mut()
+                && last_run.color == run.color
+                && last_run.underline == run.underline
+                && last_run.strikethrough == run.strikethrough
+                && last_run.background_color == run.background_color
+            {
+                last_run.len += run.len as u32;
+                continue;
             }
             decoration_runs.push(DecorationRun {
                 len: run.len as u32,
@@ -436,7 +435,7 @@ impl WindowTextSystem {
                     });
                 }
 
-                if decoration_runs.last().map_or(false, |last_run| {
+                if decoration_runs.last().is_some_and(|last_run| {
                     last_run.color == run.color
                         && last_run.underline == run.underline
                         && last_run.strikethrough == run.strikethrough
@@ -492,14 +491,14 @@ impl WindowTextSystem {
         let mut split_lines = text.split('\n');
         let mut processed = false;
 
-        if let Some(first_line) = split_lines.next() {
-            if let Some(second_line) = split_lines.next() {
-                processed = true;
-                process_line(first_line.to_string().into());
-                process_line(second_line.to_string().into());
-                for line_text in split_lines {
-                    process_line(line_text.to_string().into());
-                }
+        if let Some(first_line) = split_lines.next()
+            && let Some(second_line) = split_lines.next()
+        {
+            processed = true;
+            process_line(first_line.to_string().into());
+            process_line(second_line.to_string().into());
+            for line_text in split_lines {
+                process_line(line_text.to_string().into());
             }
         }
 
@@ -534,11 +533,11 @@ impl WindowTextSystem {
         let mut font_runs = self.font_runs_pool.lock().pop().unwrap_or_default();
         for run in runs.iter() {
             let font_id = self.resolve_font(&run.font);
-            if let Some(last_run) = font_runs.last_mut() {
-                if last_run.font_id == font_id {
-                    last_run.len += run.len;
-                    continue;
-                }
+            if let Some(last_run) = font_runs.last_mut()
+                && last_run.font_id == font_id
+            {
+                last_run.len += run.len;
+                continue;
             }
             font_runs.push(FontRun {
                 len: run.len,
@@ -844,3 +843,16 @@ impl FontMetrics {
         (self.bounding_box / self.units_per_em as f32 * font_size.0).map(px)
     }
 }
+
+#[allow(unused)]
+pub(crate) fn font_name_with_fallbacks<'a>(name: &'a str, system: &'a str) -> &'a str {
+    // Note: the "Zed Plex" fonts were deprecated as we are not allowed to use "Plex"
+    // in a derived font name. They are essentially indistinguishable from IBM Plex/Lilex,
+    // and so retained here for backward compatibility.
+    match name {
+        ".SystemUIFont" => system,
+        ".ZedSans" | "Zed Plex Sans" => "IBM Plex Sans",
+        ".ZedMono" | "Zed Plex Mono" => "Lilex",
+        _ => name,
+    }
+}
diff --git a/crates/gpui/src/text_system/line.rs b/crates/gpui/src/text_system/line.rs
index 3813393d81..8d559f9815 100644
--- a/crates/gpui/src/text_system/line.rs
+++ b/crates/gpui/src/text_system/line.rs
@@ -292,10 +292,10 @@ fn paint_line(
                     }
 
                     if let Some(style_run) = style_run {
-                        if let Some((_, underline_style)) = &mut current_underline {
-                            if style_run.underline.as_ref() != Some(underline_style) {
-                                finished_underline = current_underline.take();
-                            }
+                        if let Some((_, underline_style)) = &mut current_underline
+                            && style_run.underline.as_ref() != Some(underline_style)
+                        {
+                            finished_underline = current_underline.take();
                         }
                         if let Some(run_underline) = style_run.underline.as_ref() {
                             current_underline.get_or_insert((
@@ -310,10 +310,10 @@ fn paint_line(
                                 },
                             ));
                         }
-                        if let Some((_, strikethrough_style)) = &mut current_strikethrough {
-                            if style_run.strikethrough.as_ref() != Some(strikethrough_style) {
-                                finished_strikethrough = current_strikethrough.take();
-                            }
+                        if let Some((_, strikethrough_style)) = &mut current_strikethrough
+                            && style_run.strikethrough.as_ref() != Some(strikethrough_style)
+                        {
+                            finished_strikethrough = current_strikethrough.take();
                         }
                         if let Some(run_strikethrough) = style_run.strikethrough.as_ref() {
                             current_strikethrough.get_or_insert((
@@ -509,10 +509,10 @@ fn paint_line_background(
                     }
 
                     if let Some(style_run) = style_run {
-                        if let Some((_, background_color)) = &mut current_background {
-                            if style_run.background_color.as_ref() != Some(background_color) {
-                                finished_background = current_background.take();
-                            }
+                        if let Some((_, background_color)) = &mut current_background
+                            && style_run.background_color.as_ref() != Some(background_color)
+                        {
+                            finished_background = current_background.take();
                         }
                         if let Some(run_background) = style_run.background_color {
                             current_background.get_or_insert((
diff --git a/crates/gpui/src/text_system/line_layout.rs b/crates/gpui/src/text_system/line_layout.rs
index 9c2dd7f087..43694702a8 100644
--- a/crates/gpui/src/text_system/line_layout.rs
+++ b/crates/gpui/src/text_system/line_layout.rs
@@ -185,10 +185,10 @@ impl LineLayout {
 
             if width > wrap_width && boundary > last_boundary {
                 // When used line_clamp, we should limit the number of lines.
-                if let Some(max_lines) = max_lines {
-                    if boundaries.len() >= max_lines - 1 {
-                        break;
-                    }
+                if let Some(max_lines) = max_lines
+                    && boundaries.len() >= max_lines - 1
+                {
+                    break;
                 }
 
                 if let Some(last_candidate_ix) = last_candidate_ix.take() {
diff --git a/crates/gpui/src/text_system/line_wrapper.rs b/crates/gpui/src/text_system/line_wrapper.rs
index 5de26511d3..93ec6c854c 100644
--- a/crates/gpui/src/text_system/line_wrapper.rs
+++ b/crates/gpui/src/text_system/line_wrapper.rs
@@ -44,7 +44,7 @@ impl LineWrapper {
         let mut prev_c = '\0';
         let mut index = 0;
         let mut candidates = fragments
-            .into_iter()
+            .iter()
             .flat_map(move |fragment| fragment.wrap_boundary_candidates())
             .peekable();
         iter::from_fn(move || {
@@ -327,7 +327,7 @@ mod tests {
     fn build_wrapper() -> LineWrapper {
         let dispatcher = TestDispatcher::new(StdRng::seed_from_u64(0));
         let cx = TestAppContext::build(dispatcher, None);
-        let id = cx.text_system().font_id(&font("Zed Plex Mono")).unwrap();
+        let id = cx.text_system().resolve_font(&font(".ZedMono"));
         LineWrapper::new(id, px(16.), cx.text_system().platform_text_system.clone())
     }
 
diff --git a/crates/gpui/src/util.rs b/crates/gpui/src/util.rs
index 5e92335fdc..3d7fa06e6c 100644
--- a/crates/gpui/src/util.rs
+++ b/crates/gpui/src/util.rs
@@ -1,13 +1,11 @@
-use std::sync::atomic::AtomicUsize;
-use std::sync::atomic::Ordering::SeqCst;
-#[cfg(any(test, feature = "test-support"))]
-use std::time::Duration;
-
-#[cfg(any(test, feature = "test-support"))]
-use futures::Future;
-
-#[cfg(any(test, feature = "test-support"))]
-use smol::future::FutureExt;
+use crate::{BackgroundExecutor, Task};
+use std::{
+    future::Future,
+    pin::Pin,
+    sync::atomic::{AtomicUsize, Ordering::SeqCst},
+    task,
+    time::Duration,
+};
 
 pub use util::*;
 
@@ -60,18 +58,63 @@ pub trait FluentBuilder {
     where
         Self: Sized,
     {
-        self.map(|this| {
-            if let Some(_) = option {
-                this
-            } else {
-                then(this)
-            }
-        })
+        self.map(|this| if option.is_some() { this } else { then(this) })
+    }
+}
+
+/// Extensions for Future types that provide additional combinators and utilities.
+pub trait FutureExt {
+    /// Requires a Future to complete before the specified duration has elapsed.
+    /// Similar to tokio::timeout.
+    fn with_timeout(self, timeout: Duration, executor: &BackgroundExecutor) -> WithTimeout<Self>
+    where
+        Self: Sized;
+}
+
+impl<T: Future> FutureExt for T {
+    fn with_timeout(self, timeout: Duration, executor: &BackgroundExecutor) -> WithTimeout<Self>
+    where
+        Self: Sized,
+    {
+        WithTimeout {
+            future: self,
+            timer: executor.timer(timeout),
+        }
+    }
+}
+
+pub struct WithTimeout<T> {
+    future: T,
+    timer: Task<()>,
+}
+
+#[derive(Debug, thiserror::Error)]
+#[error("Timed out before future resolved")]
+/// Error returned by with_timeout when the timeout duration elapsed before the future resolved
+pub struct Timeout;
+
+impl<T: Future> Future for WithTimeout<T> {
+    type Output = Result<T::Output, Timeout>;
+
+    fn poll(self: Pin<&mut Self>, cx: &mut task::Context) -> task::Poll<Self::Output> {
+        // SAFETY: the fields of Timeout are private and we never move the future ourselves
+        // And its already pinned since we are being polled (all futures need to be pinned to be polled)
+        let this = unsafe { self.get_unchecked_mut() };
+        let future = unsafe { Pin::new_unchecked(&mut this.future) };
+        let timer = unsafe { Pin::new_unchecked(&mut this.timer) };
+
+        if let task::Poll::Ready(output) = future.poll(cx) {
+            task::Poll::Ready(Ok(output))
+        } else if timer.poll(cx).is_ready() {
+            task::Poll::Ready(Err(Timeout))
+        } else {
+            task::Poll::Pending
+        }
     }
 }
 
 #[cfg(any(test, feature = "test-support"))]
-pub async fn timeout<F, T>(timeout: Duration, f: F) -> Result<T, ()>
+pub async fn smol_timeout<F, T>(timeout: Duration, f: F) -> Result<T, ()>
 where
     F: Future<Output = T>,
 {
@@ -80,7 +123,7 @@ where
         Err(())
     };
     let future = async move { Ok(f.await) };
-    timer.race(future).await
+    smol::future::FutureExt::race(timer, future).await
 }
 
 /// Increment the given atomic counter if it is not zero.
diff --git a/crates/gpui/src/view.rs b/crates/gpui/src/view.rs
index f461e2f7d0..217971792e 100644
--- a/crates/gpui/src/view.rs
+++ b/crates/gpui/src/view.rs
@@ -205,22 +205,21 @@ impl Element for AnyView {
                     let content_mask = window.content_mask();
                     let text_style = window.text_style();
 
-                    if let Some(mut element_state) = element_state {
-                        if element_state.cache_key.bounds == bounds
-                            && element_state.cache_key.content_mask == content_mask
-                            && element_state.cache_key.text_style == text_style
-                            && !window.dirty_views.contains(&self.entity_id())
-                            && !window.refreshing
-                        {
-                            let prepaint_start = window.prepaint_index();
-                            window.reuse_prepaint(element_state.prepaint_range.clone());
-                            cx.entities
-                                .extend_accessed(&element_state.accessed_entities);
-                            let prepaint_end = window.prepaint_index();
-                            element_state.prepaint_range = prepaint_start..prepaint_end;
+                    if let Some(mut element_state) = element_state
+                        && element_state.cache_key.bounds == bounds
+                        && element_state.cache_key.content_mask == content_mask
+                        && element_state.cache_key.text_style == text_style
+                        && !window.dirty_views.contains(&self.entity_id())
+                        && !window.refreshing
+                    {
+                        let prepaint_start = window.prepaint_index();
+                        window.reuse_prepaint(element_state.prepaint_range.clone());
+                        cx.entities
+                            .extend_accessed(&element_state.accessed_entities);
+                        let prepaint_end = window.prepaint_index();
+                        element_state.prepaint_range = prepaint_start..prepaint_end;
 
-                            return (None, element_state);
-                        }
+                        return (None, element_state);
                     }
 
                     let refreshing = mem::replace(&mut window.refreshing, true);
diff --git a/crates/gpui/src/window.rs b/crates/gpui/src/window.rs
index 6ebb1cac40..0791dcc621 100644
--- a/crates/gpui/src/window.rs
+++ b/crates/gpui/src/window.rs
@@ -79,11 +79,13 @@ pub enum DispatchPhase {
 
 impl DispatchPhase {
     /// Returns true if this represents the "bubble" phase.
+    #[inline]
     pub fn bubble(self) -> bool {
         self == DispatchPhase::Bubble
     }
 
     /// Returns true if this represents the "capture" phase.
+    #[inline]
     pub fn capture(self) -> bool {
         self == DispatchPhase::Capture
     }
@@ -241,14 +243,14 @@ impl FocusId {
     pub fn contains_focused(&self, window: &Window, cx: &App) -> bool {
         window
             .focused(cx)
-            .map_or(false, |focused| self.contains(focused.id, window))
+            .is_some_and(|focused| self.contains(focused.id, window))
     }
 
     /// Obtains whether the element associated with this handle is contained within the
     /// focused element or is itself focused.
     pub fn within_focused(&self, window: &Window, cx: &App) -> bool {
         let focused = window.focused(cx);
-        focused.map_or(false, |focused| focused.id.contains(*self, window))
+        focused.is_some_and(|focused| focused.id.contains(*self, window))
     }
 
     /// Obtains whether this handle contains the given handle in the most recently rendered frame.
@@ -502,7 +504,7 @@ impl HitboxId {
                 return true;
             }
         }
-        return false;
+        false
     }
 
     /// Checks if the hitbox with this ID contains the mouse and should handle scroll events.
@@ -632,7 +634,7 @@ impl TooltipId {
         window
             .tooltip_bounds
             .as_ref()
-            .map_or(false, |tooltip_bounds| {
+            .is_some_and(|tooltip_bounds| {
                 tooltip_bounds.id == *self
                     && tooltip_bounds.bounds.contains(&window.mouse_position())
             })
@@ -2451,7 +2453,7 @@ impl Window {
     /// time.
     pub fn get_asset<A: Asset>(&mut self, source: &A::Source, cx: &mut App) -> Option<A::Output> {
         let (task, _) = cx.fetch_asset::<A>(source);
-        task.clone().now_or_never()
+        task.now_or_never()
     }
     /// Obtain the current element offset. This method should only be called during the
     /// prepaint phase of element drawing.
@@ -2812,7 +2814,7 @@ impl Window {
             content_mask: content_mask.scale(scale_factor),
             color: style.color.unwrap_or_default().opacity(element_opacity),
             thickness: style.thickness.scale(scale_factor),
-            wavy: style.wavy,
+            wavy: if style.wavy { 1 } else { 0 },
         });
     }
 
@@ -2843,7 +2845,7 @@ impl Window {
             content_mask: content_mask.scale(scale_factor),
             thickness: style.thickness.scale(scale_factor),
             color: style.color.unwrap_or_default().opacity(opacity),
-            wavy: false,
+            wavy: 0,
         });
     }
 
@@ -3042,7 +3044,7 @@ impl Window {
 
         let tile = self
             .sprite_atlas
-            .get_or_insert_with(&params.clone().into(), &mut || {
+            .get_or_insert_with(&params.into(), &mut || {
                 Ok(Some((
                     data.size(frame_index),
                     Cow::Borrowed(
@@ -3399,16 +3401,16 @@ impl Window {
         let focus_id = handle.id;
         let (subscription, activate) =
             self.new_focus_listener(Box::new(move |event, window, cx| {
-                if let Some(blurred_id) = event.previous_focus_path.last().copied() {
-                    if event.is_focus_out(focus_id) {
-                        let event = FocusOutEvent {
-                            blurred: WeakFocusHandle {
-                                id: blurred_id,
-                                handles: Arc::downgrade(&cx.focus_handles),
-                            },
-                        };
-                        listener(event, window, cx)
-                    }
+                if let Some(blurred_id) = event.previous_focus_path.last().copied()
+                    && event.is_focus_out(focus_id)
+                {
+                    let event = FocusOutEvent {
+                        blurred: WeakFocusHandle {
+                            id: blurred_id,
+                            handles: Arc::downgrade(&cx.focus_handles),
+                        },
+                    };
+                    listener(event, window, cx)
                 }
                 true
             }));
@@ -3442,12 +3444,12 @@ impl Window {
             return true;
         }
 
-        if let Some(input) = keystroke.key_char {
-            if let Some(mut input_handler) = self.platform_window.take_input_handler() {
-                input_handler.dispatch_input(&input, self, cx);
-                self.platform_window.set_input_handler(input_handler);
-                return true;
-            }
+        if let Some(input) = keystroke.key_char
+            && let Some(mut input_handler) = self.platform_window.take_input_handler()
+        {
+            input_handler.dispatch_input(&input, self, cx);
+            self.platform_window.set_input_handler(input_handler);
+            return true;
         }
 
         false
@@ -3686,7 +3688,8 @@ impl Window {
         );
 
         if !match_result.to_replay.is_empty() {
-            self.replay_pending_input(match_result.to_replay, cx)
+            self.replay_pending_input(match_result.to_replay, cx);
+            cx.propagate_event = true;
         }
 
         if !match_result.pending.is_empty() {
@@ -3728,7 +3731,7 @@ impl Window {
                 self.dispatch_keystroke_observers(
                     event,
                     Some(binding.action),
-                    match_result.context_stack.clone(),
+                    match_result.context_stack,
                     cx,
                 );
                 self.pending_input_changed(cx);
@@ -3861,11 +3864,11 @@ impl Window {
             if !cx.propagate_event {
                 continue 'replay;
             }
-            if let Some(input) = replay.keystroke.key_char.as_ref().cloned() {
-                if let Some(mut input_handler) = self.platform_window.take_input_handler() {
-                    input_handler.dispatch_input(&input, self, cx);
-                    self.platform_window.set_input_handler(input_handler)
-                }
+            if let Some(input) = replay.keystroke.key_char.as_ref().cloned()
+                && let Some(mut input_handler) = self.platform_window.take_input_handler()
+            {
+                input_handler.dispatch_input(&input, self, cx);
+                self.platform_window.set_input_handler(input_handler)
             }
         }
     }
@@ -4246,6 +4249,25 @@ impl Window {
             .on_action(action_type, Rc::new(listener));
     }
 
+    /// Register an action listener on the window for the next frame if the condition is true.
+    /// The type of action is determined by the first parameter of the given listener.
+    /// When the next frame is rendered the listener will be cleared.
+    ///
+    /// This is a fairly low-level method, so prefer using action handlers on elements unless you have
+    /// a specific need to register a global listener.
+    pub fn on_action_when(
+        &mut self,
+        condition: bool,
+        action_type: TypeId,
+        listener: impl Fn(&dyn Any, DispatchPhase, &mut Window, &mut App) + 'static,
+    ) {
+        if condition {
+            self.next_frame
+                .dispatch_tree
+                .on_action(action_type, Rc::new(listener));
+        }
+    }
+
     /// Read information about the GPU backing this window.
     /// Currently returns None on Mac and Windows.
     pub fn gpu_specs(&self) -> Option<GpuSpecs> {
@@ -4287,15 +4309,15 @@ impl Window {
         cx: &mut App,
         f: impl FnOnce(&mut Option<T>, &mut Self) -> R,
     ) -> R {
-        if let Some(inspector_id) = _inspector_id {
-            if let Some(inspector) = &self.inspector {
-                let inspector = inspector.clone();
-                let active_element_id = inspector.read(cx).active_element_id();
-                if Some(inspector_id) == active_element_id {
-                    return inspector.update(cx, |inspector, _cx| {
-                        inspector.with_active_element_state(self, f)
-                    });
-                }
+        if let Some(inspector_id) = _inspector_id
+            && let Some(inspector) = &self.inspector
+        {
+            let inspector = inspector.clone();
+            let active_element_id = inspector.read(cx).active_element_id();
+            if Some(inspector_id) == active_element_id {
+                return inspector.update(cx, |inspector, _cx| {
+                    inspector.with_active_element_state(self, f)
+                });
             }
         }
         f(&mut None, self)
@@ -4367,15 +4389,13 @@ impl Window {
         if let Some(inspector) = self.inspector.as_ref() {
             let inspector = inspector.read(cx);
             if let Some((hitbox_id, _)) = self.hovered_inspector_hitbox(inspector, &self.next_frame)
-            {
-                if let Some(hitbox) = self
+                && let Some(hitbox) = self
                     .next_frame
                     .hitboxes
                     .iter()
                     .find(|hitbox| hitbox.id == hitbox_id)
-                {
-                    self.paint_quad(crate::fill(hitbox.bounds, crate::rgba(0x61afef4d)));
-                }
+            {
+                self.paint_quad(crate::fill(hitbox.bounds, crate::rgba(0x61afef4d)));
             }
         }
     }
@@ -4422,7 +4442,7 @@ impl Window {
                         if let Some((_, inspector_id)) =
                             self.hovered_inspector_hitbox(inspector, &self.rendered_frame)
                         {
-                            inspector.set_active_element_id(inspector_id.clone(), self);
+                            inspector.set_active_element_id(inspector_id, self);
                         }
                     }
                 });
@@ -4446,7 +4466,7 @@ impl Window {
                 }
             }
         }
-        return None;
+        None
     }
 }
 
@@ -4563,7 +4583,7 @@ impl<V: 'static + Render> WindowHandle<V> {
     where
         C: AppContext,
     {
-        cx.read_window(self, |root_view, _cx| root_view.clone())
+        cx.read_window(self, |root_view, _cx| root_view)
     }
 
     /// Check if this window is 'active'.
@@ -4699,6 +4719,8 @@ pub enum ElementId {
     Path(Arc<std::path::Path>),
     /// A code location.
     CodeLocation(core::panic::Location<'static>),
+    /// A labeled child of an element.
+    NamedChild(Box<ElementId>, SharedString),
 }
 
 impl ElementId {
@@ -4719,6 +4741,7 @@ impl Display for ElementId {
             ElementId::Uuid(uuid) => write!(f, "{}", uuid)?,
             ElementId::Path(path) => write!(f, "{}", path.display())?,
             ElementId::CodeLocation(location) => write!(f, "{}", location)?,
+            ElementId::NamedChild(id, name) => write!(f, "{}-{}", id, name)?,
         }
 
         Ok(())
@@ -4809,6 +4832,12 @@ impl From<(&'static str, u32)> for ElementId {
     }
 }
 
+impl<T: Into<SharedString>> From<(ElementId, T)> for ElementId {
+    fn from((id, name): (ElementId, T)) -> Self {
+        ElementId::NamedChild(Box::new(id), name.into())
+    }
+}
+
 /// A rectangle to be rendered in the window at the given position and size.
 /// Passed as an argument [`Window::paint_quad`].
 #[derive(Clone)]
diff --git a/crates/gpui_macros/src/derive_inspector_reflection.rs b/crates/gpui_macros/src/derive_inspector_reflection.rs
index fa22f95f9a..9c1cb503a8 100644
--- a/crates/gpui_macros/src/derive_inspector_reflection.rs
+++ b/crates/gpui_macros/src/derive_inspector_reflection.rs
@@ -160,16 +160,14 @@ fn extract_doc_comment(attrs: &[Attribute]) -> Option<String> {
     let mut doc_lines = Vec::new();
 
     for attr in attrs {
-        if attr.path().is_ident("doc") {
-            if let Meta::NameValue(meta) = &attr.meta {
-                if let Expr::Lit(expr_lit) = &meta.value {
-                    if let Lit::Str(lit_str) = &expr_lit.lit {
-                        let line = lit_str.value();
-                        let line = line.strip_prefix(' ').unwrap_or(&line);
-                        doc_lines.push(line.to_string());
-                    }
-                }
-            }
+        if attr.path().is_ident("doc")
+            && let Meta::NameValue(meta) = &attr.meta
+            && let Expr::Lit(expr_lit) = &meta.value
+            && let Lit::Str(lit_str) = &expr_lit.lit
+        {
+            let line = lit_str.value();
+            let line = line.strip_prefix(' ').unwrap_or(&line);
+            doc_lines.push(line.to_string());
         }
     }
 
@@ -191,7 +189,7 @@ fn extract_cfg_attributes(attrs: &[Attribute]) -> Vec<Attribute> {
 fn is_called_from_gpui_crate(_span: Span) -> bool {
     // Check if we're being called from within the gpui crate by examining the call site
     // This is a heuristic approach - we check if the current crate name is "gpui"
-    std::env::var("CARGO_PKG_NAME").map_or(false, |name| name == "gpui")
+    std::env::var("CARGO_PKG_NAME").is_ok_and(|name| name == "gpui")
 }
 
 struct MacroExpander;
diff --git a/crates/gpui_macros/src/gpui_macros.rs b/crates/gpui_macros/src/gpui_macros.rs
index 3a58af6705..0f1365be77 100644
--- a/crates/gpui_macros/src/gpui_macros.rs
+++ b/crates/gpui_macros/src/gpui_macros.rs
@@ -172,7 +172,7 @@ pub fn box_shadow_style_methods(input: TokenStream) -> TokenStream {
 /// - `#[gpui::test(iterations = 5)]` runs five times, providing as seed the values in the range `0..5`.
 /// - `#[gpui::test(retries = 3)]` runs up to four times if it fails to try and make it pass.
 /// - `#[gpui::test(on_failure = "crate::test::report_failure")]` will call the specified function after the
-///    tests fail so that you can write out more detail about the failure.
+///   tests fail so that you can write out more detail about the failure.
 ///
 /// You can combine `iterations = ...` with `seeds(...)`:
 /// - `#[gpui::test(iterations = 5, seed = 10)]` is equivalent to `#[gpui::test(seeds(0, 1, 2, 3, 4, 10))]`.
diff --git a/crates/gpui_macros/src/test.rs b/crates/gpui_macros/src/test.rs
index 2c52149897..648d3499ed 100644
--- a/crates/gpui_macros/src/test.rs
+++ b/crates/gpui_macros/src/test.rs
@@ -73,7 +73,7 @@ impl Parse for Args {
                 (Meta::NameValue(meta), "seed") => {
                     seeds = vec![parse_usize_from_expr(&meta.value)? as u64]
                 }
-                (Meta::List(list), "seeds") => seeds = parse_u64_array(&list)?,
+                (Meta::List(list), "seeds") => seeds = parse_u64_array(list)?,
                 (Meta::Path(_), _) => {
                     return Err(syn::Error::new(meta.span(), "invalid path argument"));
                 }
@@ -86,7 +86,7 @@ impl Parse for Args {
         Ok(Args {
             seeds,
             max_retries,
-            max_iterations: max_iterations,
+            max_iterations,
             on_failure_fn_name,
         })
     }
@@ -152,27 +152,28 @@ fn generate_test_function(
                         }
                         _ => {}
                     }
-                } else if let Type::Reference(ty) = &*arg.ty {
-                    if let Type::Path(ty) = &*ty.elem {
-                        let last_segment = ty.path.segments.last();
-                        if let Some("TestAppContext") =
-                            last_segment.map(|s| s.ident.to_string()).as_deref()
-                        {
-                            let cx_varname = format_ident!("cx_{}", ix);
-                            cx_vars.extend(quote!(
-                                let mut #cx_varname = gpui::TestAppContext::build(
-                                    dispatcher.clone(),
-                                    Some(stringify!(#outer_fn_name)),
-                                );
-                            ));
-                            cx_teardowns.extend(quote!(
-                                dispatcher.run_until_parked();
-                                #cx_varname.quit();
-                                dispatcher.run_until_parked();
-                            ));
-                            inner_fn_args.extend(quote!(&mut #cx_varname,));
-                            continue;
-                        }
+                } else if let Type::Reference(ty) = &*arg.ty
+                    && let Type::Path(ty) = &*ty.elem
+                {
+                    let last_segment = ty.path.segments.last();
+                    if let Some("TestAppContext") =
+                        last_segment.map(|s| s.ident.to_string()).as_deref()
+                    {
+                        let cx_varname = format_ident!("cx_{}", ix);
+                        cx_vars.extend(quote!(
+                            let mut #cx_varname = gpui::TestAppContext::build(
+                                dispatcher.clone(),
+                                Some(stringify!(#outer_fn_name)),
+                            );
+                        ));
+                        cx_teardowns.extend(quote!(
+                            dispatcher.run_until_parked();
+                            #cx_varname.executor().forbid_parking();
+                            #cx_varname.quit();
+                            dispatcher.run_until_parked();
+                        ));
+                        inner_fn_args.extend(quote!(&mut #cx_varname,));
+                        continue;
                     }
                 }
             }
@@ -214,47 +215,48 @@ fn generate_test_function(
                         inner_fn_args.extend(quote!(rand::SeedableRng::seed_from_u64(_seed),));
                         continue;
                     }
-                } else if let Type::Reference(ty) = &*arg.ty {
-                    if let Type::Path(ty) = &*ty.elem {
-                        let last_segment = ty.path.segments.last();
-                        match last_segment.map(|s| s.ident.to_string()).as_deref() {
-                            Some("App") => {
-                                let cx_varname = format_ident!("cx_{}", ix);
-                                let cx_varname_lock = format_ident!("cx_{}_lock", ix);
-                                cx_vars.extend(quote!(
-                                    let mut #cx_varname = gpui::TestAppContext::build(
-                                       dispatcher.clone(),
-                                       Some(stringify!(#outer_fn_name))
-                                    );
-                                    let mut #cx_varname_lock = #cx_varname.app.borrow_mut();
-                                ));
-                                inner_fn_args.extend(quote!(&mut #cx_varname_lock,));
-                                cx_teardowns.extend(quote!(
+                } else if let Type::Reference(ty) = &*arg.ty
+                    && let Type::Path(ty) = &*ty.elem
+                {
+                    let last_segment = ty.path.segments.last();
+                    match last_segment.map(|s| s.ident.to_string()).as_deref() {
+                        Some("App") => {
+                            let cx_varname = format_ident!("cx_{}", ix);
+                            let cx_varname_lock = format_ident!("cx_{}_lock", ix);
+                            cx_vars.extend(quote!(
+                                let mut #cx_varname = gpui::TestAppContext::build(
+                                   dispatcher.clone(),
+                                   Some(stringify!(#outer_fn_name))
+                                );
+                                let mut #cx_varname_lock = #cx_varname.app.borrow_mut();
+                            ));
+                            inner_fn_args.extend(quote!(&mut #cx_varname_lock,));
+                            cx_teardowns.extend(quote!(
                                     drop(#cx_varname_lock);
                                     dispatcher.run_until_parked();
-                                    #cx_varname.update(|cx| { cx.quit() });
+                                    #cx_varname.update(|cx| { cx.background_executor().forbid_parking(); cx.quit(); });
                                     dispatcher.run_until_parked();
                                 ));
-                                continue;
-                            }
-                            Some("TestAppContext") => {
-                                let cx_varname = format_ident!("cx_{}", ix);
-                                cx_vars.extend(quote!(
-                                    let mut #cx_varname = gpui::TestAppContext::build(
-                                        dispatcher.clone(),
-                                        Some(stringify!(#outer_fn_name))
-                                    );
-                                ));
-                                cx_teardowns.extend(quote!(
-                                    dispatcher.run_until_parked();
-                                    #cx_varname.quit();
-                                    dispatcher.run_until_parked();
-                                ));
-                                inner_fn_args.extend(quote!(&mut #cx_varname,));
-                                continue;
-                            }
-                            _ => {}
+                            continue;
                         }
+                        Some("TestAppContext") => {
+                            let cx_varname = format_ident!("cx_{}", ix);
+                            cx_vars.extend(quote!(
+                                let mut #cx_varname = gpui::TestAppContext::build(
+                                    dispatcher.clone(),
+                                    Some(stringify!(#outer_fn_name))
+                                );
+                            ));
+                            cx_teardowns.extend(quote!(
+                                dispatcher.run_until_parked();
+                                #cx_varname.executor().forbid_parking();
+                                #cx_varname.quit();
+                                dispatcher.run_until_parked();
+                            ));
+                            inner_fn_args.extend(quote!(&mut #cx_varname,));
+                            continue;
+                        }
+                        _ => {}
                     }
                 }
             }
diff --git a/crates/gpui_macros/tests/derive_inspector_reflection.rs b/crates/gpui_macros/tests/derive_inspector_reflection.rs
index 522c0a62c4..a0adcb7801 100644
--- a/crates/gpui_macros/tests/derive_inspector_reflection.rs
+++ b/crates/gpui_macros/tests/derive_inspector_reflection.rs
@@ -34,13 +34,6 @@ trait Transform: Clone {
 
     /// Adds one to the value
     fn add_one(self) -> Self;
-
-    /// cfg attributes are respected
-    #[cfg(all())]
-    fn cfg_included(self) -> Self;
-
-    #[cfg(any())]
-    fn cfg_omitted(self) -> Self;
 }
 
 #[derive(Debug, Clone, PartialEq)]
@@ -70,10 +63,6 @@ impl Transform for Number {
     fn add_one(self) -> Self {
         Number(self.0 + 1)
     }
-
-    fn cfg_included(self) -> Self {
-        Number(self.0)
-    }
 }
 
 #[test]
@@ -83,14 +72,13 @@ fn test_derive_inspector_reflection() {
     // Get all methods that match the pattern fn(self) -> Self or fn(mut self) -> Self
     let methods = methods::<Number>();
 
-    assert_eq!(methods.len(), 6);
+    assert_eq!(methods.len(), 5);
     let method_names: Vec<_> = methods.iter().map(|m| m.name).collect();
     assert!(method_names.contains(&"double"));
     assert!(method_names.contains(&"triple"));
     assert!(method_names.contains(&"increment"));
     assert!(method_names.contains(&"quadruple"));
     assert!(method_names.contains(&"add_one"));
-    assert!(method_names.contains(&"cfg_included"));
 
     // Invoke methods by name
     let num = Number(5);
@@ -106,9 +94,7 @@ fn test_derive_inspector_reflection() {
         .invoke(num.clone());
     assert_eq!(incremented, Number(6));
 
-    let quadrupled = find_method::<Number>("quadruple")
-        .unwrap()
-        .invoke(num.clone());
+    let quadrupled = find_method::<Number>("quadruple").unwrap().invoke(num);
     assert_eq!(quadrupled, Number(20));
 
     // Try to invoke a non-existent method
diff --git a/crates/gpui_tokio/Cargo.toml b/crates/gpui_tokio/Cargo.toml
index 46d5eafd5a..2d4abf4063 100644
--- a/crates/gpui_tokio/Cargo.toml
+++ b/crates/gpui_tokio/Cargo.toml
@@ -13,6 +13,7 @@ path = "src/gpui_tokio.rs"
 doctest = false
 
 [dependencies]
+anyhow.workspace = true
 util.workspace = true
 gpui.workspace = true
 tokio = { workspace = true, features = ["rt", "rt-multi-thread"] }
diff --git a/crates/gpui_tokio/src/gpui_tokio.rs b/crates/gpui_tokio/src/gpui_tokio.rs
index fffe18a616..8384f2a88e 100644
--- a/crates/gpui_tokio/src/gpui_tokio.rs
+++ b/crates/gpui_tokio/src/gpui_tokio.rs
@@ -52,6 +52,28 @@ impl Tokio {
         })
     }
 
+    /// Spawns the given future on Tokio's thread pool, and returns it via a GPUI task
+    /// Note that the Tokio task will be cancelled if the GPUI task is dropped
+    pub fn spawn_result<C, Fut, R>(cx: &C, f: Fut) -> C::Result<Task<anyhow::Result<R>>>
+    where
+        C: AppContext,
+        Fut: Future<Output = anyhow::Result<R>> + Send + 'static,
+        R: Send + 'static,
+    {
+        cx.read_global(|tokio: &GlobalTokio, cx| {
+            let join_handle = tokio.runtime.spawn(f);
+            let abort_handle = join_handle.abort_handle();
+            let cancel = defer(move || {
+                abort_handle.abort();
+            });
+            cx.background_spawn(async move {
+                let result = join_handle.await?;
+                drop(cancel);
+                result
+            })
+        })
+    }
+
     pub fn handle(cx: &App) -> tokio::runtime::Handle {
         GlobalTokio::global(cx).runtime.handle().clone()
     }
diff --git a/crates/html_to_markdown/src/markdown.rs b/crates/html_to_markdown/src/markdown.rs
index b9ffbac79c..bb3b3563bc 100644
--- a/crates/html_to_markdown/src/markdown.rs
+++ b/crates/html_to_markdown/src/markdown.rs
@@ -34,15 +34,14 @@ impl HandleTag for ParagraphHandler {
         tag: &HtmlElement,
         writer: &mut MarkdownWriter,
     ) -> StartTagOutcome {
-        if tag.is_inline() && writer.is_inside("p") {
-            if let Some(parent) = writer.current_element_stack().iter().last() {
-                if !(parent.is_inline()
-                    || writer.markdown.ends_with(' ')
-                    || writer.markdown.ends_with('\n'))
-                {
-                    writer.push_str(" ");
-                }
-            }
+        if tag.is_inline()
+            && writer.is_inside("p")
+            && let Some(parent) = writer.current_element_stack().iter().last()
+            && !(parent.is_inline()
+                || writer.markdown.ends_with(' ')
+                || writer.markdown.ends_with('\n'))
+        {
+            writer.push_str(" ");
         }
 
         if tag.tag() == "p" {
diff --git a/crates/http_client/Cargo.toml b/crates/http_client/Cargo.toml
index 2045708ff2..f63bff295e 100644
--- a/crates/http_client/Cargo.toml
+++ b/crates/http_client/Cargo.toml
@@ -23,6 +23,8 @@ futures.workspace = true
 http.workspace = true
 http-body.workspace = true
 log.workspace = true
+parking_lot.workspace = true
+reqwest.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 url.workspace = true
diff --git a/crates/http_client/src/async_body.rs b/crates/http_client/src/async_body.rs
index 88972d279c..6b99a54a7d 100644
--- a/crates/http_client/src/async_body.rs
+++ b/crates/http_client/src/async_body.rs
@@ -40,7 +40,7 @@ impl AsyncBody {
     }
 
     pub fn from_bytes(bytes: Bytes) -> Self {
-        Self(Inner::Bytes(Cursor::new(bytes.clone())))
+        Self(Inner::Bytes(Cursor::new(bytes)))
     }
 }
 
@@ -88,6 +88,17 @@ impl From<&'static str> for AsyncBody {
     }
 }
 
+impl TryFrom<reqwest::Body> for AsyncBody {
+    type Error = anyhow::Error;
+
+    fn try_from(value: reqwest::Body) -> Result<Self, Self::Error> {
+        value
+            .as_bytes()
+            .ok_or_else(|| anyhow::anyhow!("Underlying data is a stream"))
+            .map(|bytes| Self::from_bytes(Bytes::copy_from_slice(bytes)))
+    }
+}
+
 impl<T: Into<Self>> From<Option<T>> for AsyncBody {
     fn from(body: Option<T>) -> Self {
         match body {
diff --git a/crates/http_client/src/github.rs b/crates/http_client/src/github.rs
index a038915e2f..32efed8e72 100644
--- a/crates/http_client/src/github.rs
+++ b/crates/http_client/src/github.rs
@@ -8,6 +8,7 @@ use url::Url;
 pub struct GitHubLspBinaryVersion {
     pub name: String,
     pub url: String,
+    pub digest: Option<String>,
 }
 
 #[derive(Deserialize, Debug)]
@@ -24,6 +25,7 @@ pub struct GithubRelease {
 pub struct GithubReleaseAsset {
     pub name: String,
     pub browser_download_url: String,
+    pub digest: Option<String>,
 }
 
 pub async fn latest_github_release(
@@ -69,11 +71,19 @@ pub async fn latest_github_release(
         }
     };
 
-    releases
+    let mut release = releases
         .into_iter()
         .filter(|release| !require_assets || !release.assets.is_empty())
         .find(|release| release.pre_release == pre_release)
-        .context("finding a prerelease")
+        .context("finding a prerelease")?;
+    release.assets.iter_mut().for_each(|asset| {
+        if let Some(digest) = &mut asset.digest
+            && let Some(stripped) = digest.strip_prefix("sha256:")
+        {
+            *digest = stripped.to_owned();
+        }
+    });
+    Ok(release)
 }
 
 pub async fn get_release_by_tag_name(
diff --git a/crates/http_client/src/http_client.rs b/crates/http_client/src/http_client.rs
index 06875718d9..62468573ed 100644
--- a/crates/http_client/src/http_client.rs
+++ b/crates/http_client/src/http_client.rs
@@ -7,14 +7,15 @@ use derive_more::Deref;
 use http::HeaderValue;
 pub use http::{self, Method, Request, Response, StatusCode, Uri};
 
-use futures::future::BoxFuture;
+use futures::{
+    FutureExt as _,
+    future::{self, BoxFuture},
+};
 use http::request::Builder;
+use parking_lot::Mutex;
 #[cfg(feature = "test-support")]
 use std::fmt;
-use std::{
-    any::type_name,
-    sync::{Arc, Mutex},
-};
+use std::{any::type_name, sync::Arc};
 pub use url::Url;
 
 #[derive(Default, Debug, Clone, PartialEq, Eq, Hash)]
@@ -86,6 +87,19 @@ pub trait HttpClient: 'static + Send + Sync {
     }
 
     fn proxy(&self) -> Option<&Url>;
+
+    #[cfg(feature = "test-support")]
+    fn as_fake(&self) -> &FakeHttpClient {
+        panic!("called as_fake on {}", type_name::<Self>())
+    }
+
+    fn send_multipart_form<'a>(
+        &'a self,
+        _url: &str,
+        _request: reqwest::multipart::Form,
+    ) -> BoxFuture<'a, anyhow::Result<Response<AsyncBody>>> {
+        future::ready(Err(anyhow!("not implemented"))).boxed()
+    }
 }
 
 /// An [`HttpClient`] that may have a proxy.
@@ -132,26 +146,18 @@ impl HttpClient for HttpClientWithProxy {
     fn type_name(&self) -> &'static str {
         self.client.type_name()
     }
-}
 
-impl HttpClient for Arc<HttpClientWithProxy> {
-    fn send(
-        &self,
-        req: Request<AsyncBody>,
-    ) -> BoxFuture<'static, anyhow::Result<Response<AsyncBody>>> {
-        self.client.send(req)
+    #[cfg(feature = "test-support")]
+    fn as_fake(&self) -> &FakeHttpClient {
+        self.client.as_fake()
     }
 
-    fn user_agent(&self) -> Option<&HeaderValue> {
-        self.client.user_agent()
-    }
-
-    fn proxy(&self) -> Option<&Url> {
-        self.proxy.as_ref()
-    }
-
-    fn type_name(&self) -> &'static str {
-        self.client.type_name()
+    fn send_multipart_form<'a>(
+        &'a self,
+        url: &str,
+        form: reqwest::multipart::Form,
+    ) -> BoxFuture<'a, anyhow::Result<Response<AsyncBody>>> {
+        self.client.send_multipart_form(url, form)
     }
 }
 
@@ -199,20 +205,13 @@ impl HttpClientWithUrl {
 
     /// Returns the base URL.
     pub fn base_url(&self) -> String {
-        self.base_url
-            .lock()
-            .map_or_else(|_| Default::default(), |url| url.clone())
+        self.base_url.lock().clone()
     }
 
     /// Sets the base URL.
     pub fn set_base_url(&self, base_url: impl Into<String>) {
         let base_url = base_url.into();
-        self.base_url
-            .lock()
-            .map(|mut url| {
-                *url = base_url;
-            })
-            .ok();
+        *self.base_url.lock() = base_url;
     }
 
     /// Builds a URL using the given path.
@@ -269,27 +268,6 @@ impl HttpClientWithUrl {
     }
 }
 
-impl HttpClient for Arc<HttpClientWithUrl> {
-    fn send(
-        &self,
-        req: Request<AsyncBody>,
-    ) -> BoxFuture<'static, anyhow::Result<Response<AsyncBody>>> {
-        self.client.send(req)
-    }
-
-    fn user_agent(&self) -> Option<&HeaderValue> {
-        self.client.user_agent()
-    }
-
-    fn proxy(&self) -> Option<&Url> {
-        self.client.proxy.as_ref()
-    }
-
-    fn type_name(&self) -> &'static str {
-        self.client.type_name()
-    }
-}
-
 impl HttpClient for HttpClientWithUrl {
     fn send(
         &self,
@@ -309,6 +287,19 @@ impl HttpClient for HttpClientWithUrl {
     fn type_name(&self) -> &'static str {
         self.client.type_name()
     }
+
+    #[cfg(feature = "test-support")]
+    fn as_fake(&self) -> &FakeHttpClient {
+        self.client.as_fake()
+    }
+
+    fn send_multipart_form<'a>(
+        &'a self,
+        url: &str,
+        request: reqwest::multipart::Form,
+    ) -> BoxFuture<'a, anyhow::Result<Response<AsyncBody>>> {
+        self.client.send_multipart_form(url, request)
+    }
 }
 
 pub fn read_proxy_from_env() -> Option<Url> {
@@ -360,10 +351,15 @@ impl HttpClient for BlockedHttpClient {
     fn type_name(&self) -> &'static str {
         type_name::<Self>()
     }
+
+    #[cfg(feature = "test-support")]
+    fn as_fake(&self) -> &FakeHttpClient {
+        panic!("called as_fake on {}", type_name::<Self>())
+    }
 }
 
 #[cfg(feature = "test-support")]
-type FakeHttpHandler = Box<
+type FakeHttpHandler = Arc<
     dyn Fn(Request<AsyncBody>) -> BoxFuture<'static, anyhow::Result<Response<AsyncBody>>>
         + Send
         + Sync
@@ -372,7 +368,7 @@ type FakeHttpHandler = Box<
 
 #[cfg(feature = "test-support")]
 pub struct FakeHttpClient {
-    handler: FakeHttpHandler,
+    handler: Mutex<Option<FakeHttpHandler>>,
     user_agent: HeaderValue,
 }
 
@@ -387,7 +383,7 @@ impl FakeHttpClient {
             base_url: Mutex::new("http://test.example".into()),
             client: HttpClientWithProxy {
                 client: Arc::new(Self {
-                    handler: Box::new(move |req| Box::pin(handler(req))),
+                    handler: Mutex::new(Some(Arc::new(move |req| Box::pin(handler(req))))),
                     user_agent: HeaderValue::from_static(type_name::<Self>()),
                 }),
                 proxy: None,
@@ -412,6 +408,18 @@ impl FakeHttpClient {
                 .unwrap())
         })
     }
+
+    pub fn replace_handler<Fut, F>(&self, new_handler: F)
+    where
+        Fut: futures::Future<Output = anyhow::Result<Response<AsyncBody>>> + Send + 'static,
+        F: Fn(FakeHttpHandler, Request<AsyncBody>) -> Fut + Send + Sync + 'static,
+    {
+        let mut handler = self.handler.lock();
+        let old_handler = handler.take().unwrap();
+        *handler = Some(Arc::new(move |req| {
+            Box::pin(new_handler(old_handler.clone(), req))
+        }));
+    }
 }
 
 #[cfg(feature = "test-support")]
@@ -427,8 +435,7 @@ impl HttpClient for FakeHttpClient {
         &self,
         req: Request<AsyncBody>,
     ) -> BoxFuture<'static, anyhow::Result<Response<AsyncBody>>> {
-        let future = (self.handler)(req);
-        future
+        ((self.handler.lock().as_ref().unwrap())(req)) as _
     }
 
     fn user_agent(&self) -> Option<&HeaderValue> {
@@ -442,4 +449,8 @@ impl HttpClient for FakeHttpClient {
     fn type_name(&self) -> &'static str {
         type_name::<Self>()
     }
+
+    fn as_fake(&self) -> &FakeHttpClient {
+        self
+    }
 }
diff --git a/crates/icons/README.md b/crates/icons/README.md
new file mode 100644
index 0000000000..e340a00277
--- /dev/null
+++ b/crates/icons/README.md
@@ -0,0 +1,29 @@
+# Zed Icons
+
+## Guidelines
+
+Icons are a big part of Zed, and they're how we convey hundreds of actions without relying on labeled buttons.
+When introducing a new icon, it's important to ensure consistency with the existing set, which follows these guidelines:
+
+1. The SVG view box should be 16x16.
+2. For outlined icons, use a 1.2px stroke width.
+3. Not all icons are mathematically aligned; there's quite a bit of optical adjustment. However, try to keep the icon within an internal 12x12 bounding box as much as possible while ensuring proper visibility.
+4. Use the `filled` and `outlined` terminology when introducing icons that will have these two variants.
+5. Icons that are deeply contextual may have the feature context as their name prefix. For example, `ToolWeb`, `ReplPlay`, `DebugStepInto`, etc.
+6. Avoid complex layer structures in the icon SVG, like clipping masks and similar elements. When the shape becomes too complex, we recommend running the SVG through [SVGOMG](https://jakearchibald.github.io/svgomg/) to clean it up.
+
+## Sourcing
+
+Most icons are created by sourcing them from [Lucide](https://lucide.dev/).
+Then, they're modified, adjusted, cleaned up, and simplified depending on their use and overall fit with Zed.
+
+Sometimes, we may use other sources like [Phosphor](https://phosphoricons.com/), but we also design many icons completely from scratch.
+
+## Contributing
+
+To introduce a new icon, add the `.svg` file to the `assets/icon` directory and then add its corresponding item to the `icons.rs` file within the `crates` directory.
+
+- SVG files in the assets folder follow a snake_case name format.
+- Icons in the `icons.rs` file follow the PascalCase name format.
+
+Make sure to tag a member of Zed's design team so we can review and adjust any newly introduced icon.
diff --git a/crates/icons/src/icons.rs b/crates/icons/src/icons.rs
index 7552060be4..4fc6039fd7 100644
--- a/crates/icons/src/icons.rs
+++ b/crates/icons/src/icons.rs
@@ -28,17 +28,13 @@ pub enum IconName {
     ArrowCircle,
     ArrowDown,
     ArrowDown10,
-    ArrowDownFromLine,
     ArrowDownRight,
     ArrowLeft,
     ArrowRight,
     ArrowRightLeft,
     ArrowUp,
-    ArrowUpAlt,
-    ArrowUpFromLine,
     ArrowUpRight,
-    ArrowUpRightAlt,
-    AtSign,
+    Attach,
     AudioOff,
     AudioOn,
     Backspace,
@@ -48,34 +44,26 @@ pub enum IconName {
     BellRing,
     Binary,
     Blocks,
-    Bolt,
+    BoltOutlined,
     BoltFilled,
-    BoltFilledAlt,
     Book,
     BookCopy,
-    BookPlus,
-    Brain,
-    BugOff,
     CaseSensitive,
+    Chat,
     Check,
     CheckDouble,
     ChevronDown,
-    /// This chevron indicates a popover menu.
-    ChevronDownSmall,
     ChevronLeft,
     ChevronRight,
     ChevronUp,
     ChevronUpDown,
     Circle,
-    CircleOff,
     CircleHelp,
     Close,
-    Cloud,
     CloudDownload,
     Code,
     Cog,
     Command,
-    Context,
     Control,
     Copilot,
     CopilotDisabled,
@@ -96,73 +84,67 @@ pub enum IconName {
     DebugIgnoreBreakpoints,
     DebugLogBreakpoint,
     DebugPause,
-    DebugRestart,
     DebugStepBack,
     DebugStepInto,
     DebugStepOut,
     DebugStepOver,
-    DebugStop,
-    Delete,
     Diff,
     Disconnected,
-    DocumentText,
     Download,
+    EditorAtom,
+    EditorCursor,
+    EditorEmacs,
+    EditorJetBrains,
+    EditorSublime,
+    EditorVsCode,
     Ellipsis,
     EllipsisVertical,
     Envelope,
-    Equal,
     Eraser,
     Escape,
     Exit,
     ExpandDown,
     ExpandUp,
     ExpandVertical,
-    ExternalLink,
     Eye,
     File,
     FileCode,
-    FileCreate,
     FileDiff,
     FileDoc,
     FileGeneric,
     FileGit,
     FileLock,
+    FileMarkdown,
     FileRust,
-    FileSearch,
-    FileText,
+    FileTextFilled,
+    FileTextOutlined,
     FileToml,
     FileTree,
     Filter,
     Flame,
     Folder,
     FolderOpen,
-    FolderX,
+    FolderSearch,
     Font,
     FontSize,
     FontWeight,
     ForwardArrow,
-    Function,
     GenericClose,
     GenericMaximize,
     GenericMinimize,
     GenericRestore,
     GitBranch,
-    GitBranchSmall,
+    GitBranchAlt,
     Github,
-    Globe,
-    Hammer,
     Hash,
     HistoryRerun,
     Image,
     Indicator,
     Info,
-    InlayHint,
+    Json,
     Keyboard,
-    Layout,
     Library,
-    LightBulb,
     LineHeight,
-    Link,
     ListCollapse,
     ListTodo,
     ListTree,
@@ -170,42 +152,30 @@ pub enum IconName {
     LoadCircle,
     LocationEdit,
     LockOutlined,
-    LspDebug,
-    LspRestart,
-    LspStop,
     MagnifyingGlass,
-    MailOpen,
     Maximize,
     Menu,
     MenuAlt,
-    MessageBubbles,
+    MenuAltTemp,
     Mic,
     MicMute,
-    Microscope,
     Minimize,
-    NewFromSummary,
-    NewTextThread,
-    NewThread,
+    Notepad,
     Option,
     PageDown,
     PageUp,
-    PanelLeft,
-    PanelRight,
     Pencil,
+    PencilUnavailable,
     Person,
-    PersonCircle,
-    PhoneIncoming,
     Pin,
-    Play,
-    PlayAlt,
-    PlayBug,
+    PlayOutlined,
     PlayFilled,
     Plus,
-    PocketKnife,
     Power,
     Public,
     PullRequest,
     Quote,
+    Reader,
     RefreshTitle,
     Regex,
     ReplNeutral,
@@ -215,31 +185,20 @@ pub enum IconName {
     ReplyArrowRight,
     Rerun,
     Return,
-    Reveal,
     RotateCcw,
     RotateCw,
-    Route,
-    Save,
     Scissors,
     Screen,
-    ScrollText,
-    SearchSelection,
     SelectAll,
     Send,
     Server,
     Settings,
-    SettingsAlt,
+    ShieldCheck,
     Shift,
     Slash,
-    SlashSquare,
     Sliders,
-    SlidersVertical,
-    Snip,
     Space,
     Sparkle,
-    SparkleAlt,
-    SparkleFilled,
-    Spinner,
     Split,
     SplitAlt,
     SquareDot,
@@ -248,8 +207,6 @@ pub enum IconName {
     Star,
     StarFilled,
     Stop,
-    StopFilled,
-    Strikethrough,
     Supermaven,
     SupermavenDisabled,
     SupermavenError,
@@ -259,12 +216,14 @@ pub enum IconName {
     Terminal,
     TerminalAlt,
     TextSnippet,
+    TextThread,
+    Thread,
+    ThreadFromSummary,
     ThumbsDown,
     ThumbsUp,
     TodoComplete,
     TodoPending,
     TodoProgress,
-    ToolBulb,
     ToolCopy,
     ToolDeleteFile,
     ToolDiagnostics,
@@ -276,25 +235,22 @@ pub enum IconName {
     ToolRegex,
     ToolSearch,
     ToolTerminal,
+    ToolThink,
     ToolWeb,
     Trash,
-    TrashAlt,
     Triangle,
     TriangleRight,
     Undo,
     Unpin,
-    Update,
     UserCheck,
     UserGroup,
     UserRoundPen,
-    Visible,
-    Wand,
     Warning,
     WholeWord,
-    X,
     XCircle,
+    XCircleFilled,
+    ZedAgent,
     ZedAssistant,
-    ZedAssistantFilled,
     ZedBurnMode,
     ZedBurnModeOn,
     ZedMcpCustom,
diff --git a/crates/image_viewer/src/image_viewer.rs b/crates/image_viewer/src/image_viewer.rs
index b96557b391..2dca57424b 100644
--- a/crates/image_viewer/src/image_viewer.rs
+++ b/crates/image_viewer/src/image_viewer.rs
@@ -401,12 +401,19 @@ pub fn init(cx: &mut App) {
 mod persistence {
     use std::path::PathBuf;
 
-    use db::{define_connection, query, sqlez_macros::sql};
+    use db::{
+        query,
+        sqlez::{domain::Domain, thread_safe_connection::ThreadSafeConnection},
+        sqlez_macros::sql,
+    };
     use workspace::{ItemId, WorkspaceDb, WorkspaceId};
 
-    define_connection! {
-        pub static ref IMAGE_VIEWER: ImageViewerDb<WorkspaceDb> =
-            &[sql!(
+    pub struct ImageViewerDb(ThreadSafeConnection);
+
+    impl Domain for ImageViewerDb {
+        const NAME: &str = stringify!(ImageViewerDb);
+
+        const MIGRATIONS: &[&str] = &[sql!(
                 CREATE TABLE image_viewers (
                     workspace_id INTEGER,
                     item_id INTEGER UNIQUE,
@@ -417,9 +424,11 @@ mod persistence {
                     FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
                     ON DELETE CASCADE
                 ) STRICT;
-            )];
+        )];
     }
 
+    db::static_connection!(IMAGE_VIEWER, ImageViewerDb, [WorkspaceDb]);
+
     impl ImageViewerDb {
         query! {
             pub async fn save_image_path(
diff --git a/crates/indexed_docs/Cargo.toml b/crates/indexed_docs/Cargo.toml
deleted file mode 100644
index eb269ad939..0000000000
--- a/crates/indexed_docs/Cargo.toml
+++ /dev/null
@@ -1,38 +0,0 @@
-[package]
-name = "indexed_docs"
-version = "0.1.0"
-edition.workspace = true
-publish.workspace = true
-license = "GPL-3.0-or-later"
-
-[lints]
-workspace = true
-
-[lib]
-path = "src/indexed_docs.rs"
-
-[dependencies]
-anyhow.workspace = true
-async-trait.workspace = true
-cargo_metadata.workspace = true
-collections.workspace = true
-derive_more.workspace = true
-extension.workspace = true
-fs.workspace = true
-futures.workspace = true
-fuzzy.workspace = true
-gpui.workspace = true
-heed.workspace = true
-html_to_markdown.workspace = true
-http_client.workspace = true
-indexmap.workspace = true
-parking_lot.workspace = true
-paths.workspace = true
-serde.workspace = true
-strum.workspace = true
-util.workspace = true
-workspace-hack.workspace = true
-
-[dev-dependencies]
-indoc.workspace = true
-pretty_assertions.workspace = true
diff --git a/crates/indexed_docs/src/extension_indexed_docs_provider.rs b/crates/indexed_docs/src/extension_indexed_docs_provider.rs
deleted file mode 100644
index c77ea4066d..0000000000
--- a/crates/indexed_docs/src/extension_indexed_docs_provider.rs
+++ /dev/null
@@ -1,81 +0,0 @@
-use std::path::PathBuf;
-use std::sync::Arc;
-
-use anyhow::Result;
-use async_trait::async_trait;
-use extension::{Extension, ExtensionHostProxy, ExtensionIndexedDocsProviderProxy};
-use gpui::App;
-
-use crate::{
-    IndexedDocsDatabase, IndexedDocsProvider, IndexedDocsRegistry, PackageName, ProviderId,
-};
-
-pub fn init(cx: &mut App) {
-    let proxy = ExtensionHostProxy::default_global(cx);
-    proxy.register_indexed_docs_provider_proxy(IndexedDocsRegistryProxy {
-        indexed_docs_registry: IndexedDocsRegistry::global(cx),
-    });
-}
-
-struct IndexedDocsRegistryProxy {
-    indexed_docs_registry: Arc<IndexedDocsRegistry>,
-}
-
-impl ExtensionIndexedDocsProviderProxy for IndexedDocsRegistryProxy {
-    fn register_indexed_docs_provider(&self, extension: Arc<dyn Extension>, provider_id: Arc<str>) {
-        self.indexed_docs_registry
-            .register_provider(Box::new(ExtensionIndexedDocsProvider::new(
-                extension,
-                ProviderId(provider_id),
-            )));
-    }
-
-    fn unregister_indexed_docs_provider(&self, provider_id: Arc<str>) {
-        self.indexed_docs_registry
-            .unregister_provider(&ProviderId(provider_id));
-    }
-}
-
-pub struct ExtensionIndexedDocsProvider {
-    extension: Arc<dyn Extension>,
-    id: ProviderId,
-}
-
-impl ExtensionIndexedDocsProvider {
-    pub fn new(extension: Arc<dyn Extension>, id: ProviderId) -> Self {
-        Self { extension, id }
-    }
-}
-
-#[async_trait]
-impl IndexedDocsProvider for ExtensionIndexedDocsProvider {
-    fn id(&self) -> ProviderId {
-        self.id.clone()
-    }
-
-    fn database_path(&self) -> PathBuf {
-        let mut database_path = PathBuf::from(self.extension.work_dir().as_ref());
-        database_path.push("docs");
-        database_path.push(format!("{}.0.mdb", self.id));
-
-        database_path
-    }
-
-    async fn suggest_packages(&self) -> Result<Vec<PackageName>> {
-        let packages = self
-            .extension
-            .suggest_docs_packages(self.id.0.clone())
-            .await?;
-
-        Ok(packages
-            .into_iter()
-            .map(|package| PackageName::from(package.as_str()))
-            .collect())
-    }
-
-    async fn index(&self, package: PackageName, database: Arc<IndexedDocsDatabase>) -> Result<()> {
-        self.extension
-            .index_docs(self.id.0.clone(), package.as_ref().into(), database)
-            .await
-    }
-}
diff --git a/crates/indexed_docs/src/indexed_docs.rs b/crates/indexed_docs/src/indexed_docs.rs
deleted file mode 100644
index 97538329d4..0000000000
--- a/crates/indexed_docs/src/indexed_docs.rs
+++ /dev/null
@@ -1,16 +0,0 @@
-mod extension_indexed_docs_provider;
-mod providers;
-mod registry;
-mod store;
-
-use gpui::App;
-
-pub use crate::extension_indexed_docs_provider::ExtensionIndexedDocsProvider;
-pub use crate::providers::rustdoc::*;
-pub use crate::registry::*;
-pub use crate::store::*;
-
-pub fn init(cx: &mut App) {
-    IndexedDocsRegistry::init_global(cx);
-    extension_indexed_docs_provider::init(cx);
-}
diff --git a/crates/indexed_docs/src/providers.rs b/crates/indexed_docs/src/providers.rs
deleted file mode 100644
index c6505a2ab6..0000000000
--- a/crates/indexed_docs/src/providers.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub mod rustdoc;
diff --git a/crates/indexed_docs/src/providers/rustdoc.rs b/crates/indexed_docs/src/providers/rustdoc.rs
deleted file mode 100644
index ac6dc3a10b..0000000000
--- a/crates/indexed_docs/src/providers/rustdoc.rs
+++ /dev/null
@@ -1,291 +0,0 @@
-mod item;
-mod to_markdown;
-
-use cargo_metadata::MetadataCommand;
-use futures::future::BoxFuture;
-pub use item::*;
-use parking_lot::RwLock;
-pub use to_markdown::convert_rustdoc_to_markdown;
-
-use std::collections::BTreeSet;
-use std::path::PathBuf;
-use std::sync::{Arc, LazyLock};
-use std::time::{Duration, Instant};
-
-use anyhow::{Context as _, Result, bail};
-use async_trait::async_trait;
-use collections::{HashSet, VecDeque};
-use fs::Fs;
-use futures::{AsyncReadExt, FutureExt};
-use http_client::{AsyncBody, HttpClient, HttpClientWithUrl};
-
-use crate::{IndexedDocsDatabase, IndexedDocsProvider, PackageName, ProviderId};
-
-#[derive(Debug)]
-struct RustdocItemWithHistory {
-    pub item: RustdocItem,
-    #[cfg(debug_assertions)]
-    pub history: Vec<String>,
-}
-
-pub struct LocalRustdocProvider {
-    fs: Arc<dyn Fs>,
-    cargo_workspace_root: PathBuf,
-}
-
-impl LocalRustdocProvider {
-    pub fn id() -> ProviderId {
-        ProviderId("rustdoc".into())
-    }
-
-    pub fn new(fs: Arc<dyn Fs>, cargo_workspace_root: PathBuf) -> Self {
-        Self {
-            fs,
-            cargo_workspace_root,
-        }
-    }
-}
-
-#[async_trait]
-impl IndexedDocsProvider for LocalRustdocProvider {
-    fn id(&self) -> ProviderId {
-        Self::id()
-    }
-
-    fn database_path(&self) -> PathBuf {
-        paths::data_dir().join("docs/rust/rustdoc-db.1.mdb")
-    }
-
-    async fn suggest_packages(&self) -> Result<Vec<PackageName>> {
-        static WORKSPACE_CRATES: LazyLock<RwLock<Option<(BTreeSet<PackageName>, Instant)>>> =
-            LazyLock::new(|| RwLock::new(None));
-
-        if let Some((crates, fetched_at)) = &*WORKSPACE_CRATES.read() {
-            if fetched_at.elapsed() < Duration::from_secs(300) {
-                return Ok(crates.iter().cloned().collect());
-            }
-        }
-
-        let workspace = MetadataCommand::new()
-            .manifest_path(self.cargo_workspace_root.join("Cargo.toml"))
-            .exec()
-            .context("failed to load cargo metadata")?;
-
-        let workspace_crates = workspace
-            .packages
-            .into_iter()
-            .map(|package| PackageName::from(package.name.as_str()))
-            .collect::<BTreeSet<_>>();
-
-        *WORKSPACE_CRATES.write() = Some((workspace_crates.clone(), Instant::now()));
-
-        Ok(workspace_crates.into_iter().collect())
-    }
-
-    async fn index(&self, package: PackageName, database: Arc<IndexedDocsDatabase>) -> Result<()> {
-        index_rustdoc(package, database, {
-            move |crate_name, item| {
-                let fs = self.fs.clone();
-                let cargo_workspace_root = self.cargo_workspace_root.clone();
-                let crate_name = crate_name.clone();
-                let item = item.cloned();
-                async move {
-                    let target_doc_path = cargo_workspace_root.join("target/doc");
-                    let mut local_cargo_doc_path = target_doc_path.join(crate_name.as_ref().replace('-', "_"));
-
-                    if !fs.is_dir(&local_cargo_doc_path).await {
-                        let cargo_doc_exists_at_all = fs.is_dir(&target_doc_path).await;
-                        if cargo_doc_exists_at_all {
-                            bail!(
-                                "no docs directory for '{crate_name}'. if this is a valid crate name, try running `cargo doc`"
-                            );
-                        } else {
-                            bail!("no cargo doc directory. run `cargo doc`");
-                        }
-                    }
-
-                    if let Some(item) = item {
-                        local_cargo_doc_path.push(item.url_path());
-                    } else {
-                        local_cargo_doc_path.push("index.html");
-                    }
-
-                    let Ok(contents) = fs.load(&local_cargo_doc_path).await else {
-                        return Ok(None);
-                    };
-
-                    Ok(Some(contents))
-                }
-                .boxed()
-            }
-        })
-        .await
-    }
-}
-
-pub struct DocsDotRsProvider {
-    http_client: Arc<HttpClientWithUrl>,
-}
-
-impl DocsDotRsProvider {
-    pub fn id() -> ProviderId {
-        ProviderId("docs-rs".into())
-    }
-
-    pub fn new(http_client: Arc<HttpClientWithUrl>) -> Self {
-        Self { http_client }
-    }
-}
-
-#[async_trait]
-impl IndexedDocsProvider for DocsDotRsProvider {
-    fn id(&self) -> ProviderId {
-        Self::id()
-    }
-
-    fn database_path(&self) -> PathBuf {
-        paths::data_dir().join("docs/rust/docs-rs-db.1.mdb")
-    }
-
-    async fn suggest_packages(&self) -> Result<Vec<PackageName>> {
-        static POPULAR_CRATES: LazyLock<Vec<PackageName>> = LazyLock::new(|| {
-            include_str!("./rustdoc/popular_crates.txt")
-                .lines()
-                .filter(|line| !line.starts_with('#'))
-                .map(|line| PackageName::from(line.trim()))
-                .collect()
-        });
-
-        Ok(POPULAR_CRATES.clone())
-    }
-
-    async fn index(&self, package: PackageName, database: Arc<IndexedDocsDatabase>) -> Result<()> {
-        index_rustdoc(package, database, {
-            move |crate_name, item| {
-                let http_client = self.http_client.clone();
-                let crate_name = crate_name.clone();
-                let item = item.cloned();
-                async move {
-                    let version = "latest";
-                    let path = format!(
-                        "{crate_name}/{version}/{crate_name}{item_path}",
-                        item_path = item
-                            .map(|item| format!("/{}", item.url_path()))
-                            .unwrap_or_default()
-                    );
-
-                    let mut response = http_client
-                        .get(
-                            &format!("https://docs.rs/{path}"),
-                            AsyncBody::default(),
-                            true,
-                        )
-                        .await?;
-
-                    let mut body = Vec::new();
-                    response
-                        .body_mut()
-                        .read_to_end(&mut body)
-                        .await
-                        .context("error reading docs.rs response body")?;
-
-                    if response.status().is_client_error() {
-                        let text = String::from_utf8_lossy(body.as_slice());
-                        bail!(
-                            "status error {}, response: {text:?}",
-                            response.status().as_u16()
-                        );
-                    }
-
-                    Ok(Some(String::from_utf8(body)?))
-                }
-                .boxed()
-            }
-        })
-        .await
-    }
-}
-
-async fn index_rustdoc(
-    package: PackageName,
-    database: Arc<IndexedDocsDatabase>,
-    fetch_page: impl Fn(
-        &PackageName,
-        Option<&RustdocItem>,
-    ) -> BoxFuture<'static, Result<Option<String>>>
-    + Send
-    + Sync,
-) -> Result<()> {
-    let Some(package_root_content) = fetch_page(&package, None).await? else {
-        return Ok(());
-    };
-
-    let (crate_root_markdown, items) =
-        convert_rustdoc_to_markdown(package_root_content.as_bytes())?;
-
-    database
-        .insert(package.to_string(), crate_root_markdown)
-        .await?;
-
-    let mut seen_items = HashSet::from_iter(items.clone());
-    let mut items_to_visit: VecDeque<RustdocItemWithHistory> =
-        VecDeque::from_iter(items.into_iter().map(|item| RustdocItemWithHistory {
-            item,
-            #[cfg(debug_assertions)]
-            history: Vec::new(),
-        }));
-
-    while let Some(item_with_history) = items_to_visit.pop_front() {
-        let item = &item_with_history.item;
-
-        let Some(result) = fetch_page(&package, Some(item)).await.with_context(|| {
-            #[cfg(debug_assertions)]
-            {
-                format!(
-                    "failed to fetch {item:?}: {history:?}",
-                    history = item_with_history.history
-                )
-            }
-
-            #[cfg(not(debug_assertions))]
-            {
-                format!("failed to fetch {item:?}")
-            }
-        })?
-        else {
-            continue;
-        };
-
-        let (markdown, referenced_items) = convert_rustdoc_to_markdown(result.as_bytes())?;
-
-        database
-            .insert(format!("{package}::{}", item.display()), markdown)
-            .await?;
-
-        let parent_item = item;
-        for mut item in referenced_items {
-            if seen_items.contains(&item) {
-                continue;
-            }
-
-            seen_items.insert(item.clone());
-
-            item.path.extend(parent_item.path.clone());
-            if parent_item.kind == RustdocItemKind::Mod {
-                item.path.push(parent_item.name.clone());
-            }
-
-            items_to_visit.push_back(RustdocItemWithHistory {
-                #[cfg(debug_assertions)]
-                history: {
-                    let mut history = item_with_history.history.clone();
-                    history.push(item.url_path());
-                    history
-                },
-                item,
-            });
-        }
-    }
-
-    Ok(())
-}
diff --git a/crates/indexed_docs/src/providers/rustdoc/item.rs b/crates/indexed_docs/src/providers/rustdoc/item.rs
deleted file mode 100644
index 7d9023ef3e..0000000000
--- a/crates/indexed_docs/src/providers/rustdoc/item.rs
+++ /dev/null
@@ -1,82 +0,0 @@
-use std::sync::Arc;
-
-use serde::{Deserialize, Serialize};
-use strum::EnumIter;
-
-#[derive(
-    Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize, EnumIter,
-)]
-#[serde(rename_all = "snake_case")]
-pub enum RustdocItemKind {
-    Mod,
-    Macro,
-    Struct,
-    Enum,
-    Constant,
-    Trait,
-    Function,
-    TypeAlias,
-    AttributeMacro,
-    DeriveMacro,
-}
-
-impl RustdocItemKind {
-    pub(crate) const fn class(&self) -> &'static str {
-        match self {
-            Self::Mod => "mod",
-            Self::Macro => "macro",
-            Self::Struct => "struct",
-            Self::Enum => "enum",
-            Self::Constant => "constant",
-            Self::Trait => "trait",
-            Self::Function => "fn",
-            Self::TypeAlias => "type",
-            Self::AttributeMacro => "attr",
-            Self::DeriveMacro => "derive",
-        }
-    }
-}
-
-#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone)]
-pub struct RustdocItem {
-    pub kind: RustdocItemKind,
-    /// The item path, up until the name of the item.
-    pub path: Vec<Arc<str>>,
-    /// The name of the item.
-    pub name: Arc<str>,
-}
-
-impl RustdocItem {
-    pub fn display(&self) -> String {
-        let mut path_segments = self.path.clone();
-        path_segments.push(self.name.clone());
-
-        path_segments.join("::")
-    }
-
-    pub fn url_path(&self) -> String {
-        let name = &self.name;
-        let mut path_components = self.path.clone();
-
-        match self.kind {
-            RustdocItemKind::Mod => {
-                path_components.push(name.clone());
-                path_components.push("index.html".into());
-            }
-            RustdocItemKind::Macro
-            | RustdocItemKind::Struct
-            | RustdocItemKind::Enum
-            | RustdocItemKind::Constant
-            | RustdocItemKind::Trait
-            | RustdocItemKind::Function
-            | RustdocItemKind::TypeAlias
-            | RustdocItemKind::AttributeMacro
-            | RustdocItemKind::DeriveMacro => {
-                path_components
-                    .push(format!("{kind}.{name}.html", kind = self.kind.class()).into());
-            }
-        }
-
-        path_components.join("/")
-    }
-}
diff --git a/crates/indexed_docs/src/providers/rustdoc/popular_crates.txt b/crates/indexed_docs/src/providers/rustdoc/popular_crates.txt
deleted file mode 100644
index ce2c3d51d8..0000000000
--- a/crates/indexed_docs/src/providers/rustdoc/popular_crates.txt
+++ /dev/null
@@ -1,252 +0,0 @@
-# A list of the most popular Rust crates.
-# Sourced from https://lib.rs/std.
-serde
-serde_json
-syn
-clap
-thiserror
-rand
-log
-tokio
-anyhow
-regex
-quote
-proc-macro2
-base64
-itertools
-chrono
-lazy_static
-once_cell
-libc
-reqwest
-futures
-bitflags
-tracing
-url
-bytes
-toml
-tempfile
-uuid
-indexmap
-env_logger
-num-traits
-async-trait
-sha2
-hex
-tracing-subscriber
-http
-parking_lot
-cfg-if
-futures-util
-cc
-hashbrown
-rayon
-hyper
-getrandom
-semver
-strum
-flate2
-tokio-util
-smallvec
-criterion
-paste
-heck
-rand_core
-nom
-rustls
-nix
-glob
-time
-byteorder
-strum_macros
-serde_yaml
-wasm-bindgen
-ahash
-either
-num_cpus
-rand_chacha
-prost
-percent-encoding
-pin-project-lite
-tokio-stream
-bincode
-walkdir
-bindgen
-axum
-windows-sys
-futures-core
-ring
-digest
-num-bigint
-rustls-pemfile
-serde_with
-crossbeam-channel
-tokio-rustls
-hmac
-fastrand
-dirs
-zeroize
-socket2
-pin-project
-tower
-derive_more
-memchr
-toml_edit
-static_assertions
-pretty_assertions
-js-sys
-convert_case
-unicode-width
-pkg-config
-itoa
-colored
-rustc-hash
-darling
-mime
-web-sys
-image
-bytemuck
-which
-sha1
-dashmap
-arrayvec
-fnv
-tonic
-humantime
-libloading
-winapi
-rustc_version
-http-body
-indoc
-num
-home
-serde_urlencoded
-http-body-util
-unicode-segmentation
-num-integer
-webpki-roots
-phf
-futures-channel
-indicatif
-petgraph
-ordered-float
-strsim
-zstd
-console
-encoding_rs
-wasm-bindgen-futures
-urlencoding
-subtle
-crc32fast
-slab
-rustix
-predicates
-spin
-hyper-rustls
-backtrace
-rustversion
-mio
-scopeguard
-proc-macro-error
-hyper-util
-ryu
-prost-types
-textwrap
-memmap2
-zip
-zerocopy
-generic-array
-tar
-pyo3
-async-stream
-quick-xml
-memoffset
-csv
-crossterm
-windows
-num_enum
-tokio-tungstenite
-crossbeam-utils
-async-channel
-lru
-aes
-futures-lite
-tracing-core
-prettyplease
-httparse
-serde_bytes
-tracing-log
-tower-service
-cargo_metadata
-pest
-mime_guess
-tower-http
-data-encoding
-native-tls
-prost-build
-proptest
-derivative
-serial_test
-libm
-half
-futures-io
-bitvec
-rustls-native-certs
-ureq
-object
-anstyle
-tonic-build
-form_urlencoded
-num-derive
-pest_derive
-schemars
-proc-macro-crate
-rstest
-futures-executor
-assert_cmd
-termcolor
-serde_repr
-ctrlc
-sha3
-clap_complete
-flume
-mockall
-ipnet
-aho-corasick
-atty
-signal-hook
-async-std
-filetime
-num-complex
-opentelemetry
-cmake
-arc-swap
-derive_builder
-async-recursion
-dyn-clone
-bumpalo
-fs_extra
-git2
-sysinfo
-shlex
-instant
-approx
-rmp-serde
-rand_distr
-rustls-pki-types
-maplit
-sqlx
-blake3
-hyper-tls
-dotenvy
-jsonwebtoken
-openssl-sys
-crossbeam
-camino
-winreg
-config
-rsa
-bit-vec
-chrono-tz
-async-lock
-bstr
diff --git a/crates/indexed_docs/src/providers/rustdoc/to_markdown.rs b/crates/indexed_docs/src/providers/rustdoc/to_markdown.rs
deleted file mode 100644
index 87e3863728..0000000000
--- a/crates/indexed_docs/src/providers/rustdoc/to_markdown.rs
+++ /dev/null
@@ -1,618 +0,0 @@
-use std::cell::RefCell;
-use std::io::Read;
-use std::rc::Rc;
-
-use anyhow::Result;
-use html_to_markdown::markdown::{
-    HeadingHandler, ListHandler, ParagraphHandler, StyledTextHandler, TableHandler,
-};
-use html_to_markdown::{
-    HandleTag, HandlerOutcome, HtmlElement, MarkdownWriter, StartTagOutcome, TagHandler,
-    convert_html_to_markdown,
-};
-use indexmap::IndexSet;
-use strum::IntoEnumIterator;
-
-use crate::{RustdocItem, RustdocItemKind};
-
-/// Converts the provided rustdoc HTML to Markdown.
-pub fn convert_rustdoc_to_markdown(html: impl Read) -> Result<(String, Vec<RustdocItem>)> {
-    let item_collector = Rc::new(RefCell::new(RustdocItemCollector::new()));
-
-    let mut handlers: Vec<TagHandler> = vec![
-        Rc::new(RefCell::new(ParagraphHandler)),
-        Rc::new(RefCell::new(HeadingHandler)),
-        Rc::new(RefCell::new(ListHandler)),
-        Rc::new(RefCell::new(TableHandler::new())),
-        Rc::new(RefCell::new(StyledTextHandler)),
-        Rc::new(RefCell::new(RustdocChromeRemover)),
-        Rc::new(RefCell::new(RustdocHeadingHandler)),
-        Rc::new(RefCell::new(RustdocCodeHandler)),
-        Rc::new(RefCell::new(RustdocItemHandler)),
-        item_collector.clone(),
-    ];
-
-    let markdown = convert_html_to_markdown(html, &mut handlers)?;
-
-    let items = item_collector
-        .borrow()
-        .items
-        .iter()
-        .cloned()
-        .collect::<Vec<_>>();
-
-    Ok((markdown, items))
-}
-
-pub struct RustdocHeadingHandler;
-
-impl HandleTag for RustdocHeadingHandler {
-    fn should_handle(&self, _tag: &str) -> bool {
-        // We're only handling text, so we don't need to visit any tags.
-        false
-    }
-
-    fn handle_text(&mut self, text: &str, writer: &mut MarkdownWriter) -> HandlerOutcome {
-        if writer.is_inside("h1")
-            || writer.is_inside("h2")
-            || writer.is_inside("h3")
-            || writer.is_inside("h4")
-            || writer.is_inside("h5")
-            || writer.is_inside("h6")
-        {
-            let text = text
-                .trim_matches(|char| char == '\n' || char == '\r')
-                .replace('\n', " ");
-            writer.push_str(&text);
-
-            return HandlerOutcome::Handled;
-        }
-
-        HandlerOutcome::NoOp
-    }
-}
-
-pub struct RustdocCodeHandler;
-
-impl HandleTag for RustdocCodeHandler {
-    fn should_handle(&self, tag: &str) -> bool {
-        matches!(tag, "pre" | "code")
-    }
-
-    fn handle_tag_start(
-        &mut self,
-        tag: &HtmlElement,
-        writer: &mut MarkdownWriter,
-    ) -> StartTagOutcome {
-        match tag.tag() {
-            "code" => {
-                if !writer.is_inside("pre") {
-                    writer.push_str("`");
-                }
-            }
-            "pre" => {
-                let classes = tag.classes();
-                let is_rust = classes.iter().any(|class| class == "rust");
-                let language = is_rust
-                    .then_some("rs")
-                    .or_else(|| {
-                        classes.iter().find_map(|class| {
-                            if let Some((_, language)) = class.split_once("language-") {
-                                Some(language.trim())
-                            } else {
-                                None
-                            }
-                        })
-                    })
-                    .unwrap_or("");
-
-                writer.push_str(&format!("\n\n```{language}\n"));
-            }
-            _ => {}
-        }
-
-        StartTagOutcome::Continue
-    }
-
-    fn handle_tag_end(&mut self, tag: &HtmlElement, writer: &mut MarkdownWriter) {
-        match tag.tag() {
-            "code" => {
-                if !writer.is_inside("pre") {
-                    writer.push_str("`");
-                }
-            }
-            "pre" => writer.push_str("\n```\n"),
-            _ => {}
-        }
-    }
-
-    fn handle_text(&mut self, text: &str, writer: &mut MarkdownWriter) -> HandlerOutcome {
-        if writer.is_inside("pre") {
-            writer.push_str(text);
-            return HandlerOutcome::Handled;
-        }
-
-        HandlerOutcome::NoOp
-    }
-}
-
-const RUSTDOC_ITEM_NAME_CLASS: &str = "item-name";
-
-pub struct RustdocItemHandler;
-
-impl RustdocItemHandler {
-    /// Returns whether we're currently inside of an `.item-name` element, which
-    /// rustdoc uses to display Rust items in a list.
-    fn is_inside_item_name(writer: &MarkdownWriter) -> bool {
-        writer
-            .current_element_stack()
-            .iter()
-            .any(|element| element.has_class(RUSTDOC_ITEM_NAME_CLASS))
-    }
-}
-
-impl HandleTag for RustdocItemHandler {
-    fn should_handle(&self, tag: &str) -> bool {
-        matches!(tag, "div" | "span")
-    }
-
-    fn handle_tag_start(
-        &mut self,
-        tag: &HtmlElement,
-        writer: &mut MarkdownWriter,
-    ) -> StartTagOutcome {
-        match tag.tag() {
-            "div" | "span" => {
-                if Self::is_inside_item_name(writer) && tag.has_class("stab") {
-                    writer.push_str(" [");
-                }
-            }
-            _ => {}
-        }
-
-        StartTagOutcome::Continue
-    }
-
-    fn handle_tag_end(&mut self, tag: &HtmlElement, writer: &mut MarkdownWriter) {
-        match tag.tag() {
-            "div" | "span" => {
-                if tag.has_class(RUSTDOC_ITEM_NAME_CLASS) {
-                    writer.push_str(": ");
-                }
-
-                if Self::is_inside_item_name(writer) && tag.has_class("stab") {
-                    writer.push_str("]");
-                }
-            }
-            _ => {}
-        }
-    }
-
-    fn handle_text(&mut self, text: &str, writer: &mut MarkdownWriter) -> HandlerOutcome {
-        if Self::is_inside_item_name(writer)
-            && !writer.is_inside("span")
-            && !writer.is_inside("code")
-        {
-            writer.push_str(&format!("`{text}`"));
-            return HandlerOutcome::Handled;
-        }
-
-        HandlerOutcome::NoOp
-    }
-}
-
-pub struct RustdocChromeRemover;
-
-impl HandleTag for RustdocChromeRemover {
-    fn should_handle(&self, tag: &str) -> bool {
-        matches!(
-            tag,
-            "head" | "script" | "nav" | "summary" | "button" | "a" | "div" | "span"
-        )
-    }
-
-    fn handle_tag_start(
-        &mut self,
-        tag: &HtmlElement,
-        _writer: &mut MarkdownWriter,
-    ) -> StartTagOutcome {
-        match tag.tag() {
-            "head" | "script" | "nav" => return StartTagOutcome::Skip,
-            "summary" => {
-                if tag.has_class("hideme") {
-                    return StartTagOutcome::Skip;
-                }
-            }
-            "button" => {
-                if tag.attr("id").as_deref() == Some("copy-path") {
-                    return StartTagOutcome::Skip;
-                }
-            }
-            "a" => {
-                if tag.has_any_classes(&["anchor", "doc-anchor", "src"]) {
-                    return StartTagOutcome::Skip;
-                }
-            }
-            "div" | "span" => {
-                if tag.has_any_classes(&["nav-container", "sidebar-elems", "out-of-band"]) {
-                    return StartTagOutcome::Skip;
-                }
-            }
-
-            _ => {}
-        }
-
-        StartTagOutcome::Continue
-    }
-}
-
-pub struct RustdocItemCollector {
-    pub items: IndexSet<RustdocItem>,
-}
-
-impl RustdocItemCollector {
-    pub fn new() -> Self {
-        Self {
-            items: IndexSet::new(),
-        }
-    }
-
-    fn parse_item(tag: &HtmlElement) -> Option<RustdocItem> {
-        if tag.tag() != "a" {
-            return None;
-        }
-
-        let href = tag.attr("href")?;
-        if href.starts_with('#') || href.starts_with("https://") || href.starts_with("../") {
-            return None;
-        }
-
-        for kind in RustdocItemKind::iter() {
-            if tag.has_class(kind.class()) {
-                let mut parts = href.trim_end_matches("/index.html").split('/');
-
-                if let Some(last_component) = parts.next_back() {
-                    let last_component = match last_component.split_once('#') {
-                        Some((component, _fragment)) => component,
-                        None => last_component,
-                    };
-
-                    let name = last_component
-                        .trim_start_matches(&format!("{}.", kind.class()))
-                        .trim_end_matches(".html");
-
-                    return Some(RustdocItem {
-                        kind,
-                        name: name.into(),
-                        path: parts.map(Into::into).collect(),
-                    });
-                }
-            }
-        }
-
-        None
-    }
-}
-
-impl HandleTag for RustdocItemCollector {
-    fn should_handle(&self, tag: &str) -> bool {
-        tag == "a"
-    }
-
-    fn handle_tag_start(
-        &mut self,
-        tag: &HtmlElement,
-        writer: &mut MarkdownWriter,
-    ) -> StartTagOutcome {
-        if tag.tag() == "a" {
-            let is_reexport = writer.current_element_stack().iter().any(|element| {
-                if let Some(id) = element.attr("id") {
-                    id.starts_with("reexport.") || id.starts_with("method.")
-                } else {
-                    false
-                }
-            });
-
-            if !is_reexport {
-                if let Some(item) = Self::parse_item(tag) {
-                    self.items.insert(item);
-                }
-            }
-        }
-
-        StartTagOutcome::Continue
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use html_to_markdown::{TagHandler, convert_html_to_markdown};
-    use indoc::indoc;
-    use pretty_assertions::assert_eq;
-
-    use super::*;
-
-    fn rustdoc_handlers() -> Vec<TagHandler> {
-        vec![
-            Rc::new(RefCell::new(ParagraphHandler)),
-            Rc::new(RefCell::new(HeadingHandler)),
-            Rc::new(RefCell::new(ListHandler)),
-            Rc::new(RefCell::new(TableHandler::new())),
-            Rc::new(RefCell::new(StyledTextHandler)),
-            Rc::new(RefCell::new(RustdocChromeRemover)),
-            Rc::new(RefCell::new(RustdocHeadingHandler)),
-            Rc::new(RefCell::new(RustdocCodeHandler)),
-            Rc::new(RefCell::new(RustdocItemHandler)),
-        ]
-    }
-
-    #[test]
-    fn test_main_heading_buttons_get_removed() {
-        let html = indoc! {r##"
-            <div class="main-heading">
-                <h1>Crate <a class="mod" href="#">serde</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1>
-                <span class="out-of-band">
-                    <a class="src" href="../src/serde/lib.rs.html#1-340">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button>
-                </span>
-            </div>
-        "##};
-        let expected = indoc! {"
-            # Crate serde
-        "}
-        .trim();
-
-        assert_eq!(
-            convert_html_to_markdown(html.as_bytes(), &mut rustdoc_handlers()).unwrap(),
-            expected
-        )
-    }
-
-    #[test]
-    fn test_single_paragraph() {
-        let html = indoc! {r#"
-            <p>In particular, the last point is what sets <code>axum</code> apart from other frameworks.
-            <code>axum</code> doesn’t have its own middleware system but instead uses
-            <a href="https://docs.rs/tower-service/0.3.2/x86_64-unknown-linux-gnu/tower_service/trait.Service.html" title="trait tower_service::Service"><code>tower::Service</code></a>. This means <code>axum</code> gets timeouts, tracing, compression,
-            authorization, and more, for free. It also enables you to share middleware with
-            applications written using <a href="http://crates.io/crates/hyper"><code>hyper</code></a> or <a href="http://crates.io/crates/tonic"><code>tonic</code></a>.</p>
-        "#};
-        let expected = indoc! {"
-            In particular, the last point is what sets `axum` apart from other frameworks. `axum` doesn’t have its own middleware system but instead uses `tower::Service`. This means `axum` gets timeouts, tracing, compression, authorization, and more, for free. It also enables you to share middleware with applications written using `hyper` or `tonic`.
-        "}
-        .trim();
-
-        assert_eq!(
-            convert_html_to_markdown(html.as_bytes(), &mut rustdoc_handlers()).unwrap(),
-            expected
-        )
-    }
-
-    #[test]
-    fn test_multiple_paragraphs() {
-        let html = indoc! {r##"
-            <h2 id="serde"><a class="doc-anchor" href="#serde">§</a>Serde</h2>
-            <p>Serde is a framework for <em><strong>ser</strong></em>ializing and <em><strong>de</strong></em>serializing Rust data
-            structures efficiently and generically.</p>
-            <p>The Serde ecosystem consists of data structures that know how to serialize
-            and deserialize themselves along with data formats that know how to
-            serialize and deserialize other things. Serde provides the layer by which
-            these two groups interact with each other, allowing any supported data
-            structure to be serialized and deserialized using any supported data format.</p>
-            <p>See the Serde website <a href="https://serde.rs/">https://serde.rs/</a> for additional documentation and
-            usage examples.</p>
-            <h3 id="design"><a class="doc-anchor" href="#design">§</a>Design</h3>
-            <p>Where many other languages rely on runtime reflection for serializing data,
-            Serde is instead built on Rust’s powerful trait system. A data structure
-            that knows how to serialize and deserialize itself is one that implements
-            Serde’s <code>Serialize</code> and <code>Deserialize</code> traits (or uses Serde’s derive
-            attribute to automatically generate implementations at compile time). This
-            avoids any overhead of reflection or runtime type information. In fact in
-            many situations the interaction between data structure and data format can
-            be completely optimized away by the Rust compiler, leaving Serde
-            serialization to perform the same speed as a handwritten serializer for the
-            specific selection of data structure and data format.</p>
-        "##};
-        let expected = indoc! {"
-            ## Serde
-
-            Serde is a framework for _**ser**_ializing and _**de**_serializing Rust data structures efficiently and generically.
-
-            The Serde ecosystem consists of data structures that know how to serialize and deserialize themselves along with data formats that know how to serialize and deserialize other things. Serde provides the layer by which these two groups interact with each other, allowing any supported data structure to be serialized and deserialized using any supported data format.
-
-            See the Serde website https://serde.rs/ for additional documentation and usage examples.
-
-            ### Design
-
-            Where many other languages rely on runtime reflection for serializing data, Serde is instead built on Rust’s powerful trait system. A data structure that knows how to serialize and deserialize itself is one that implements Serde’s `Serialize` and `Deserialize` traits (or uses Serde’s derive attribute to automatically generate implementations at compile time). This avoids any overhead of reflection or runtime type information. In fact in many situations the interaction between data structure and data format can be completely optimized away by the Rust compiler, leaving Serde serialization to perform the same speed as a handwritten serializer for the specific selection of data structure and data format.
-        "}
-        .trim();
-
-        assert_eq!(
-            convert_html_to_markdown(html.as_bytes(), &mut rustdoc_handlers()).unwrap(),
-            expected
-        )
-    }
-
-    #[test]
-    fn test_styled_text() {
-        let html = indoc! {r#"
-            <p>This text is <strong>bolded</strong>.</p>
-            <p>This text is <em>italicized</em>.</p>
-        "#};
-        let expected = indoc! {"
-            This text is **bolded**.
-
-            This text is _italicized_.
-        "}
-        .trim();
-
-        assert_eq!(
-            convert_html_to_markdown(html.as_bytes(), &mut rustdoc_handlers()).unwrap(),
-            expected
-        )
-    }
-
-    #[test]
-    fn test_rust_code_block() {
-        let html = indoc! {r#"
-            <pre class="rust rust-example-rendered"><code><span class="kw">use </span>axum::extract::{Path, Query, Json};
-            <span class="kw">use </span>std::collections::HashMap;
-
-            <span class="comment">// `Path` gives you the path parameters and deserializes them.
-            </span><span class="kw">async fn </span>path(Path(user_id): Path&lt;u32&gt;) {}
-
-            <span class="comment">// `Query` gives you the query parameters and deserializes them.
-            </span><span class="kw">async fn </span>query(Query(params): Query&lt;HashMap&lt;String, String&gt;&gt;) {}
-
-            <span class="comment">// Buffer the request body and deserialize it as JSON into a
-            // `serde_json::Value`. `Json` supports any type that implements
-            // `serde::Deserialize`.
-            </span><span class="kw">async fn </span>json(Json(payload): Json&lt;serde_json::Value&gt;) {}</code></pre>
-        "#};
-        let expected = indoc! {"
-            ```rs
-            use axum::extract::{Path, Query, Json};
-            use std::collections::HashMap;
-
-            // `Path` gives you the path parameters and deserializes them.
-            async fn path(Path(user_id): Path<u32>) {}
-
-            // `Query` gives you the query parameters and deserializes them.
-            async fn query(Query(params): Query<HashMap<String, String>>) {}
-
-            // Buffer the request body and deserialize it as JSON into a
-            // `serde_json::Value`. `Json` supports any type that implements
-            // `serde::Deserialize`.
-            async fn json(Json(payload): Json<serde_json::Value>) {}
-            ```
-        "}
-        .trim();
-
-        assert_eq!(
-            convert_html_to_markdown(html.as_bytes(), &mut rustdoc_handlers()).unwrap(),
-            expected
-        )
-    }
-
-    #[test]
-    fn test_toml_code_block() {
-        let html = indoc! {r##"
-            <h2 id="required-dependencies"><a class="doc-anchor" href="#required-dependencies">§</a>Required dependencies</h2>
-            <p>To use axum there are a few dependencies you have to pull in as well:</p>
-            <div class="example-wrap"><pre class="language-toml"><code>[dependencies]
-            axum = &quot;&lt;latest-version&gt;&quot;
-            tokio = { version = &quot;&lt;latest-version&gt;&quot;, features = [&quot;full&quot;] }
-            tower = &quot;&lt;latest-version&gt;&quot;
-            </code></pre></div>
-        "##};
-        let expected = indoc! {r#"
-            ## Required dependencies
-
-            To use axum there are a few dependencies you have to pull in as well:
-
-            ```toml
-            [dependencies]
-            axum = "<latest-version>"
-            tokio = { version = "<latest-version>", features = ["full"] }
-            tower = "<latest-version>"
-
-            ```
-        "#}
-        .trim();
-
-        assert_eq!(
-            convert_html_to_markdown(html.as_bytes(), &mut rustdoc_handlers()).unwrap(),
-            expected
-        )
-    }
-
-    #[test]
-    fn test_item_table() {
-        let html = indoc! {r##"
-            <h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2>
-            <ul class="item-table">
-            <li><div class="item-name"><a class="struct" href="struct.Error.html" title="struct axum::Error">Error</a></div><div class="desc docblock-short">Errors that can happen when using axum.</div></li>
-            <li><div class="item-name"><a class="struct" href="struct.Extension.html" title="struct axum::Extension">Extension</a></div><div class="desc docblock-short">Extractor and response for extensions.</div></li>
-            <li><div class="item-name"><a class="struct" href="struct.Form.html" title="struct axum::Form">Form</a><span class="stab portability" title="Available on crate feature `form` only"><code>form</code></span></div><div class="desc docblock-short">URL encoded extractor and response.</div></li>
-            <li><div class="item-name"><a class="struct" href="struct.Json.html" title="struct axum::Json">Json</a><span class="stab portability" title="Available on crate feature `json` only"><code>json</code></span></div><div class="desc docblock-short">JSON Extractor / Response.</div></li>
-            <li><div class="item-name"><a class="struct" href="struct.Router.html" title="struct axum::Router">Router</a></div><div class="desc docblock-short">The router type for composing handlers and services.</div></li></ul>
-            <h2 id="functions" class="section-header">Functions<a href="#functions" class="anchor">§</a></h2>
-            <ul class="item-table">
-            <li><div class="item-name"><a class="fn" href="fn.serve.html" title="fn axum::serve">serve</a><span class="stab portability" title="Available on crate feature `tokio` and (crate features `http1` or `http2`) only"><code>tokio</code> and (<code>http1</code> or <code>http2</code>)</span></div><div class="desc docblock-short">Serve the service with the supplied listener.</div></li>
-            </ul>
-        "##};
-        let expected = indoc! {r#"
-            ## Structs
-
-            - `Error`: Errors that can happen when using axum.
-            - `Extension`: Extractor and response for extensions.
-            - `Form` [`form`]: URL encoded extractor and response.
-            - `Json` [`json`]: JSON Extractor / Response.
-            - `Router`: The router type for composing handlers and services.
-
-            ## Functions
-
-            - `serve` [`tokio` and (`http1` or `http2`)]: Serve the service with the supplied listener.
-        "#}
-        .trim();
-
-        assert_eq!(
-            convert_html_to_markdown(html.as_bytes(), &mut rustdoc_handlers()).unwrap(),
-            expected
-        )
-    }
-
-    #[test]
-    fn test_table() {
-        let html = indoc! {r##"
-            <h2 id="feature-flags"><a class="doc-anchor" href="#feature-flags">§</a>Feature flags</h2>
-            <p>axum uses a set of <a href="https://doc.rust-lang.org/cargo/reference/features.html#the-features-section">feature flags</a> to reduce the amount of compiled and
-            optional dependencies.</p>
-            <p>The following optional features are available:</p>
-            <div><table><thead><tr><th>Name</th><th>Description</th><th>Default?</th></tr></thead><tbody>
-            <tr><td><code>http1</code></td><td>Enables hyper’s <code>http1</code> feature</td><td>Yes</td></tr>
-            <tr><td><code>http2</code></td><td>Enables hyper’s <code>http2</code> feature</td><td>No</td></tr>
-            <tr><td><code>json</code></td><td>Enables the <a href="struct.Json.html" title="struct axum::Json"><code>Json</code></a> type and some similar convenience functionality</td><td>Yes</td></tr>
-            <tr><td><code>macros</code></td><td>Enables optional utility macros</td><td>No</td></tr>
-            <tr><td><code>matched-path</code></td><td>Enables capturing of every request’s router path and the <a href="extract/struct.MatchedPath.html" title="struct axum::extract::MatchedPath"><code>MatchedPath</code></a> extractor</td><td>Yes</td></tr>
-            <tr><td><code>multipart</code></td><td>Enables parsing <code>multipart/form-data</code> requests with <a href="extract/struct.Multipart.html" title="struct axum::extract::Multipart"><code>Multipart</code></a></td><td>No</td></tr>
-            <tr><td><code>original-uri</code></td><td>Enables capturing of every request’s original URI and the <a href="extract/struct.OriginalUri.html" title="struct axum::extract::OriginalUri"><code>OriginalUri</code></a> extractor</td><td>Yes</td></tr>
-            <tr><td><code>tokio</code></td><td>Enables <code>tokio</code> as a dependency and <code>axum::serve</code>, <code>SSE</code> and <code>extract::connect_info</code> types.</td><td>Yes</td></tr>
-            <tr><td><code>tower-log</code></td><td>Enables <code>tower</code>’s <code>log</code> feature</td><td>Yes</td></tr>
-            <tr><td><code>tracing</code></td><td>Log rejections from built-in extractors</td><td>Yes</td></tr>
-            <tr><td><code>ws</code></td><td>Enables WebSockets support via <a href="extract/ws/index.html" title="mod axum::extract::ws"><code>extract::ws</code></a></td><td>No</td></tr>
-            <tr><td><code>form</code></td><td>Enables the <code>Form</code> extractor</td><td>Yes</td></tr>
-            <tr><td><code>query</code></td><td>Enables the <code>Query</code> extractor</td><td>Yes</td></tr>
-            </tbody></table>
-        "##};
-        let expected = indoc! {r#"
-            ## Feature flags
-
-            axum uses a set of feature flags to reduce the amount of compiled and optional dependencies.
-
-            The following optional features are available:
-
-            | Name | Description | Default? |
-            | --- | --- | --- |
-            | `http1` | Enables hyper’s `http1` feature | Yes |
-            | `http2` | Enables hyper’s `http2` feature | No |
-            | `json` | Enables the `Json` type and some similar convenience functionality | Yes |
-            | `macros` | Enables optional utility macros | No |
-            | `matched-path` | Enables capturing of every request’s router path and the `MatchedPath` extractor | Yes |
-            | `multipart` | Enables parsing `multipart/form-data` requests with `Multipart` | No |
-            | `original-uri` | Enables capturing of every request’s original URI and the `OriginalUri` extractor | Yes |
-            | `tokio` | Enables `tokio` as a dependency and `axum::serve`, `SSE` and `extract::connect_info` types. | Yes |
-            | `tower-log` | Enables `tower`’s `log` feature | Yes |
-            | `tracing` | Log rejections from built-in extractors | Yes |
-            | `ws` | Enables WebSockets support via `extract::ws` | No |
-            | `form` | Enables the `Form` extractor | Yes |
-            | `query` | Enables the `Query` extractor | Yes |
-        "#}
-        .trim();
-
-        assert_eq!(
-            convert_html_to_markdown(html.as_bytes(), &mut rustdoc_handlers()).unwrap(),
-            expected
-        )
-    }
-}
diff --git a/crates/indexed_docs/src/registry.rs b/crates/indexed_docs/src/registry.rs
deleted file mode 100644
index 6757cd9c1a..0000000000
--- a/crates/indexed_docs/src/registry.rs
+++ /dev/null
@@ -1,62 +0,0 @@
-use std::sync::Arc;
-
-use collections::HashMap;
-use gpui::{App, BackgroundExecutor, Global, ReadGlobal, UpdateGlobal};
-use parking_lot::RwLock;
-
-use crate::{IndexedDocsProvider, IndexedDocsStore, ProviderId};
-
-struct GlobalIndexedDocsRegistry(Arc<IndexedDocsRegistry>);
-
-impl Global for GlobalIndexedDocsRegistry {}
-
-pub struct IndexedDocsRegistry {
-    executor: BackgroundExecutor,
-    stores_by_provider: RwLock<HashMap<ProviderId, Arc<IndexedDocsStore>>>,
-}
-
-impl IndexedDocsRegistry {
-    pub fn global(cx: &App) -> Arc<Self> {
-        GlobalIndexedDocsRegistry::global(cx).0.clone()
-    }
-
-    pub(crate) fn init_global(cx: &mut App) {
-        GlobalIndexedDocsRegistry::set_global(
-            cx,
-            GlobalIndexedDocsRegistry(Arc::new(Self::new(cx.background_executor().clone()))),
-        );
-    }
-
-    pub fn new(executor: BackgroundExecutor) -> Self {
-        Self {
-            executor,
-            stores_by_provider: RwLock::new(HashMap::default()),
-        }
-    }
-
-    pub fn list_providers(&self) -> Vec<ProviderId> {
-        self.stores_by_provider
-            .read()
-            .keys()
-            .cloned()
-            .collect::<Vec<_>>()
-    }
-
-    pub fn register_provider(
-        &self,
-        provider: Box<dyn IndexedDocsProvider + Send + Sync + 'static>,
-    ) {
-        self.stores_by_provider.write().insert(
-            provider.id(),
-            Arc::new(IndexedDocsStore::new(provider, self.executor.clone())),
-        );
-    }
-
-    pub fn unregister_provider(&self, provider_id: &ProviderId) {
-        self.stores_by_provider.write().remove(provider_id);
-    }
-
-    pub fn get_provider_store(&self, provider_id: ProviderId) -> Option<Arc<IndexedDocsStore>> {
-        self.stores_by_provider.read().get(&provider_id).cloned()
-    }
-}
diff --git a/crates/indexed_docs/src/store.rs b/crates/indexed_docs/src/store.rs
deleted file mode 100644
index 1407078efa..0000000000
--- a/crates/indexed_docs/src/store.rs
+++ /dev/null
@@ -1,346 +0,0 @@
-use std::path::PathBuf;
-use std::sync::Arc;
-use std::sync::atomic::AtomicBool;
-
-use anyhow::{Context as _, Result, anyhow};
-use async_trait::async_trait;
-use collections::HashMap;
-use derive_more::{Deref, Display};
-use futures::FutureExt;
-use futures::future::{self, BoxFuture, Shared};
-use fuzzy::StringMatchCandidate;
-use gpui::{App, BackgroundExecutor, Task};
-use heed::Database;
-use heed::types::SerdeBincode;
-use parking_lot::RwLock;
-use serde::{Deserialize, Serialize};
-use util::ResultExt;
-
-use crate::IndexedDocsRegistry;
-
-#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Deref, Display)]
-pub struct ProviderId(pub Arc<str>);
-
-/// The name of a package.
-#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Deref, Display)]
-pub struct PackageName(Arc<str>);
-
-impl From<&str> for PackageName {
-    fn from(value: &str) -> Self {
-        Self(value.into())
-    }
-}
-
-#[async_trait]
-pub trait IndexedDocsProvider {
-    /// Returns the ID of this provider.
-    fn id(&self) -> ProviderId;
-
-    /// Returns the path to the database for this provider.
-    fn database_path(&self) -> PathBuf;
-
-    /// Returns a list of packages as suggestions to be included in the search
-    /// results.
-    ///
-    /// This can be used to provide completions for known packages (e.g., from the
-    /// local project or a registry) before a package has been indexed.
-    async fn suggest_packages(&self) -> Result<Vec<PackageName>>;
-
-    /// Indexes the package with the given name.
-    async fn index(&self, package: PackageName, database: Arc<IndexedDocsDatabase>) -> Result<()>;
-}
-
-/// A store for indexed docs.
-pub struct IndexedDocsStore {
-    executor: BackgroundExecutor,
-    database_future:
-        Shared<BoxFuture<'static, Result<Arc<IndexedDocsDatabase>, Arc<anyhow::Error>>>>,
-    provider: Box<dyn IndexedDocsProvider + Send + Sync + 'static>,
-    indexing_tasks_by_package:
-        RwLock<HashMap<PackageName, Shared<Task<Result<(), Arc<anyhow::Error>>>>>>,
-    latest_errors_by_package: RwLock<HashMap<PackageName, Arc<str>>>,
-}
-
-impl IndexedDocsStore {
-    pub fn try_global(provider: ProviderId, cx: &App) -> Result<Arc<Self>> {
-        let registry = IndexedDocsRegistry::global(cx);
-        registry
-            .get_provider_store(provider.clone())
-            .with_context(|| format!("no indexed docs store found for {provider}"))
-    }
-
-    pub fn new(
-        provider: Box<dyn IndexedDocsProvider + Send + Sync + 'static>,
-        executor: BackgroundExecutor,
-    ) -> Self {
-        let database_future = executor
-            .spawn({
-                let executor = executor.clone();
-                let database_path = provider.database_path();
-                async move { IndexedDocsDatabase::new(database_path, executor) }
-            })
-            .then(|result| future::ready(result.map(Arc::new).map_err(Arc::new)))
-            .boxed()
-            .shared();
-
-        Self {
-            executor,
-            database_future,
-            provider,
-            indexing_tasks_by_package: RwLock::new(HashMap::default()),
-            latest_errors_by_package: RwLock::new(HashMap::default()),
-        }
-    }
-
-    pub fn latest_error_for_package(&self, package: &PackageName) -> Option<Arc<str>> {
-        self.latest_errors_by_package.read().get(package).cloned()
-    }
-
-    /// Returns whether the package with the given name is currently being indexed.
-    pub fn is_indexing(&self, package: &PackageName) -> bool {
-        self.indexing_tasks_by_package.read().contains_key(package)
-    }
-
-    pub async fn load(&self, key: String) -> Result<MarkdownDocs> {
-        self.database_future
-            .clone()
-            .await
-            .map_err(|err| anyhow!(err))?
-            .load(key)
-            .await
-    }
-
-    pub async fn load_many_by_prefix(&self, prefix: String) -> Result<Vec<(String, MarkdownDocs)>> {
-        self.database_future
-            .clone()
-            .await
-            .map_err(|err| anyhow!(err))?
-            .load_many_by_prefix(prefix)
-            .await
-    }
-
-    /// Returns whether any entries exist with the given prefix.
-    pub async fn any_with_prefix(&self, prefix: String) -> Result<bool> {
-        self.database_future
-            .clone()
-            .await
-            .map_err(|err| anyhow!(err))?
-            .any_with_prefix(prefix)
-            .await
-    }
-
-    pub fn suggest_packages(self: Arc<Self>) -> Task<Result<Vec<PackageName>>> {
-        let this = self.clone();
-        self.executor
-            .spawn(async move { this.provider.suggest_packages().await })
-    }
-
-    pub fn index(
-        self: Arc<Self>,
-        package: PackageName,
-    ) -> Shared<Task<Result<(), Arc<anyhow::Error>>>> {
-        if let Some(existing_task) = self.indexing_tasks_by_package.read().get(&package) {
-            return existing_task.clone();
-        }
-
-        let indexing_task = self
-            .executor
-            .spawn({
-                let this = self.clone();
-                let package = package.clone();
-                async move {
-                    let _finally = util::defer({
-                        let this = this.clone();
-                        let package = package.clone();
-                        move || {
-                            this.indexing_tasks_by_package.write().remove(&package);
-                        }
-                    });
-
-                    let index_task = {
-                        let package = package.clone();
-                        async {
-                            let database = this
-                                .database_future
-                                .clone()
-                                .await
-                                .map_err(|err| anyhow!(err))?;
-                            this.provider.index(package, database).await
-                        }
-                    };
-
-                    let result = index_task.await.map_err(Arc::new);
-                    match &result {
-                        Ok(_) => {
-                            this.latest_errors_by_package.write().remove(&package);
-                        }
-                        Err(err) => {
-                            this.latest_errors_by_package
-                                .write()
-                                .insert(package, err.to_string().into());
-                        }
-                    }
-
-                    result
-                }
-            })
-            .shared();
-
-        self.indexing_tasks_by_package
-            .write()
-            .insert(package, indexing_task.clone());
-
-        indexing_task
-    }
-
-    pub fn search(&self, query: String) -> Task<Vec<String>> {
-        let executor = self.executor.clone();
-        let database_future = self.database_future.clone();
-        self.executor.spawn(async move {
-            let Some(database) = database_future.await.map_err(|err| anyhow!(err)).log_err() else {
-                return Vec::new();
-            };
-
-            let Some(items) = database.keys().await.log_err() else {
-                return Vec::new();
-            };
-
-            let candidates = items
-                .iter()
-                .enumerate()
-                .map(|(ix, item_path)| StringMatchCandidate::new(ix, &item_path))
-                .collect::<Vec<_>>();
-
-            let matches = fuzzy::match_strings(
-                &candidates,
-                &query,
-                false,
-                true,
-                100,
-                &AtomicBool::default(),
-                executor,
-            )
-            .await;
-
-            matches
-                .into_iter()
-                .map(|mat| items[mat.candidate_id].clone())
-                .collect()
-        })
-    }
-}
-
-#[derive(Debug, PartialEq, Eq, Clone, Display, Serialize, Deserialize)]
-pub struct MarkdownDocs(pub String);
-
-pub struct IndexedDocsDatabase {
-    executor: BackgroundExecutor,
-    env: heed::Env,
-    entries: Database<SerdeBincode<String>, SerdeBincode<MarkdownDocs>>,
-}
-
-impl IndexedDocsDatabase {
-    pub fn new(path: PathBuf, executor: BackgroundExecutor) -> Result<Self> {
-        std::fs::create_dir_all(&path)?;
-
-        const ONE_GB_IN_BYTES: usize = 1024 * 1024 * 1024;
-        let env = unsafe {
-            heed::EnvOpenOptions::new()
-                .map_size(ONE_GB_IN_BYTES)
-                .max_dbs(1)
-                .open(path)?
-        };
-
-        let mut txn = env.write_txn()?;
-        let entries = env.create_database(&mut txn, Some("rustdoc_entries"))?;
-        txn.commit()?;
-
-        Ok(Self {
-            executor,
-            env,
-            entries,
-        })
-    }
-
-    pub fn keys(&self) -> Task<Result<Vec<String>>> {
-        let env = self.env.clone();
-        let entries = self.entries;
-
-        self.executor.spawn(async move {
-            let txn = env.read_txn()?;
-            let mut iter = entries.iter(&txn)?;
-            let mut keys = Vec::new();
-            while let Some((key, _value)) = iter.next().transpose()? {
-                keys.push(key);
-            }
-
-            Ok(keys)
-        })
-    }
-
-    pub fn load(&self, key: String) -> Task<Result<MarkdownDocs>> {
-        let env = self.env.clone();
-        let entries = self.entries;
-
-        self.executor.spawn(async move {
-            let txn = env.read_txn()?;
-            entries
-                .get(&txn, &key)?
-                .with_context(|| format!("no docs found for {key}"))
-        })
-    }
-
-    pub fn load_many_by_prefix(&self, prefix: String) -> Task<Result<Vec<(String, MarkdownDocs)>>> {
-        let env = self.env.clone();
-        let entries = self.entries;
-
-        self.executor.spawn(async move {
-            let txn = env.read_txn()?;
-            let results = entries
-                .iter(&txn)?
-                .filter_map(|entry| {
-                    let (key, value) = entry.ok()?;
-                    if key.starts_with(&prefix) {
-                        Some((key, value))
-                    } else {
-                        None
-                    }
-                })
-                .collect::<Vec<_>>();
-
-            Ok(results)
-        })
-    }
-
-    /// Returns whether any entries exist with the given prefix.
-    pub fn any_with_prefix(&self, prefix: String) -> Task<Result<bool>> {
-        let env = self.env.clone();
-        let entries = self.entries;
-
-        self.executor.spawn(async move {
-            let txn = env.read_txn()?;
-            let any = entries
-                .iter(&txn)?
-                .any(|entry| entry.map_or(false, |(key, _value)| key.starts_with(&prefix)));
-            Ok(any)
-        })
-    }
-
-    pub fn insert(&self, key: String, docs: String) -> Task<Result<()>> {
-        let env = self.env.clone();
-        let entries = self.entries;
-
-        self.executor.spawn(async move {
-            let mut txn = env.write_txn()?;
-            entries.put(&mut txn, &key, &MarkdownDocs(docs))?;
-            txn.commit()?;
-            Ok(())
-        })
-    }
-}
-
-impl extension::KeyValueStoreDelegate for IndexedDocsDatabase {
-    fn insert(&self, key: String, docs: String) -> Task<Result<()>> {
-        IndexedDocsDatabase::insert(&self, key, docs)
-    }
-}
diff --git a/crates/inspector_ui/Cargo.toml b/crates/inspector_ui/Cargo.toml
index 8e55a8a477..cefe888974 100644
--- a/crates/inspector_ui/Cargo.toml
+++ b/crates/inspector_ui/Cargo.toml
@@ -24,6 +24,7 @@ serde_json_lenient.workspace = true
 theme.workspace = true
 ui.workspace = true
 util.workspace = true
+util_macros.workspace = true
 workspace-hack.workspace = true
 workspace.workspace = true
 zed_actions.workspace = true
diff --git a/crates/inspector_ui/src/div_inspector.rs b/crates/inspector_ui/src/div_inspector.rs
index bd395aa01b..c3d687e57a 100644
--- a/crates/inspector_ui/src/div_inspector.rs
+++ b/crates/inspector_ui/src/div_inspector.rs
@@ -25,7 +25,7 @@ use util::split_str_with_ranges;
 
 /// Path used for unsaved buffer that contains style json. To support the json language server, this
 /// matches the name used in the generated schemas.
-const ZED_INSPECTOR_STYLE_JSON: &str = "/zed-inspector-style.json";
+const ZED_INSPECTOR_STYLE_JSON: &str = util_macros::path!("/zed-inspector-style.json");
 
 pub(crate) struct DivInspector {
     state: State,
@@ -93,8 +93,8 @@ impl DivInspector {
                     Ok((json_style_buffer, rust_style_buffer)) => {
                         this.update_in(cx, |this, window, cx| {
                             this.state = State::BuffersLoaded {
-                                json_style_buffer: json_style_buffer,
-                                rust_style_buffer: rust_style_buffer,
+                                json_style_buffer,
+                                rust_style_buffer,
                             };
 
                             // Initialize editors immediately instead of waiting for
@@ -200,8 +200,8 @@ impl DivInspector {
         cx.subscribe_in(&json_style_editor, window, {
             let id = id.clone();
             let rust_style_buffer = rust_style_buffer.clone();
-            move |this, editor, event: &EditorEvent, window, cx| match event {
-                EditorEvent::BufferEdited => {
+            move |this, editor, event: &EditorEvent, window, cx| {
+                if event == &EditorEvent::BufferEdited {
                     let style_json = editor.read(cx).text(cx);
                     match serde_json_lenient::from_str_lenient::<StyleRefinement>(&style_json) {
                         Ok(new_style) => {
@@ -243,7 +243,6 @@ impl DivInspector {
                         Err(err) => this.json_style_error = Some(err.to_string().into()),
                     }
                 }
-                _ => {}
             }
         })
         .detach();
@@ -251,11 +250,10 @@ impl DivInspector {
         cx.subscribe(&rust_style_editor, {
             let json_style_buffer = json_style_buffer.clone();
             let rust_style_buffer = rust_style_buffer.clone();
-            move |this, _editor, event: &EditorEvent, cx| match event {
-                EditorEvent::BufferEdited => {
+            move |this, _editor, event: &EditorEvent, cx| {
+                if let EditorEvent::BufferEdited = event {
                     this.update_json_style_from_rust(&json_style_buffer, &rust_style_buffer, cx);
                 }
-                _ => {}
             }
         })
         .detach();
@@ -271,23 +269,19 @@ impl DivInspector {
     }
 
     fn reset_style(&mut self, cx: &mut App) {
-        match &self.state {
-            State::Ready {
-                rust_style_buffer,
-                json_style_buffer,
-                ..
-            } => {
-                if let Err(err) = self.reset_style_editors(
-                    &rust_style_buffer.clone(),
-                    &json_style_buffer.clone(),
-                    cx,
-                ) {
-                    self.json_style_error = Some(format!("{err}").into());
-                } else {
-                    self.json_style_error = None;
-                }
+        if let State::Ready {
+            rust_style_buffer,
+            json_style_buffer,
+            ..
+        } = &self.state
+        {
+            if let Err(err) =
+                self.reset_style_editors(&rust_style_buffer.clone(), &json_style_buffer.clone(), cx)
+            {
+                self.json_style_error = Some(format!("{err}").into());
+            } else {
+                self.json_style_error = None;
             }
-            _ => {}
         }
     }
 
@@ -395,11 +389,11 @@ impl DivInspector {
             .zip(self.rust_completion_replace_range.as_ref())
         {
             let before_text = snapshot
-                .text_for_range(0..completion_range.start.to_offset(&snapshot))
+                .text_for_range(0..completion_range.start.to_offset(snapshot))
                 .collect::<String>();
             let after_text = snapshot
                 .text_for_range(
-                    completion_range.end.to_offset(&snapshot)
+                    completion_range.end.to_offset(snapshot)
                         ..snapshot.clip_offset(usize::MAX, Bias::Left),
                 )
                 .collect::<String>();
@@ -702,10 +696,10 @@ impl CompletionProvider for RustStyleCompletionProvider {
 }
 
 fn completion_replace_range(snapshot: &BufferSnapshot, anchor: &Anchor) -> Option<Range<Anchor>> {
-    let point = anchor.to_point(&snapshot);
-    let offset = point.to_offset(&snapshot);
-    let line_start = Point::new(point.row, 0).to_offset(&snapshot);
-    let line_end = Point::new(point.row, snapshot.line_len(point.row)).to_offset(&snapshot);
+    let point = anchor.to_point(snapshot);
+    let offset = point.to_offset(snapshot);
+    let line_start = Point::new(point.row, 0).to_offset(snapshot);
+    let line_end = Point::new(point.row, snapshot.line_len(point.row)).to_offset(snapshot);
     let mut lines = snapshot.text_for_range(line_start..line_end).lines();
     let line = lines.next()?;
 
diff --git a/crates/install_cli/src/install_cli.rs b/crates/install_cli/src/install_cli.rs
index 12c094448b..dc9e0e31ab 100644
--- a/crates/install_cli/src/install_cli.rs
+++ b/crates/install_cli/src/install_cli.rs
@@ -105,7 +105,7 @@ pub fn install_cli(window: &mut Window, cx: &mut Context<Workspace>) {
                 cx,
             )
         })?;
-        register_zed_scheme(&cx).await.log_err();
+        register_zed_scheme(cx).await.log_err();
         Ok(())
     })
     .detach_and_prompt_err("Error installing zed cli", window, cx, |_, _, _| None);
diff --git a/crates/jj/src/jj_repository.rs b/crates/jj/src/jj_repository.rs
index 93ae79eb90..afbe54c99d 100644
--- a/crates/jj/src/jj_repository.rs
+++ b/crates/jj/src/jj_repository.rs
@@ -50,16 +50,13 @@ impl RealJujutsuRepository {
 
 impl JujutsuRepository for RealJujutsuRepository {
     fn list_bookmarks(&self) -> Vec<Bookmark> {
-        let bookmarks = self
-            .repository
+        self.repository
             .view()
             .bookmarks()
             .map(|(ref_name, _target)| Bookmark {
                 ref_name: ref_name.as_str().to_string().into(),
             })
-            .collect();
-
-        bookmarks
+            .collect()
     }
 }
 
diff --git a/crates/jj/src/jj_store.rs b/crates/jj/src/jj_store.rs
index a10f06fad4..2d2d958d7f 100644
--- a/crates/jj/src/jj_store.rs
+++ b/crates/jj/src/jj_store.rs
@@ -16,7 +16,7 @@ pub struct JujutsuStore {
 
 impl JujutsuStore {
     pub fn init_global(cx: &mut App) {
-        let Some(repository) = RealJujutsuRepository::new(&Path::new(".")).ok() else {
+        let Some(repository) = RealJujutsuRepository::new(Path::new(".")).ok() else {
             return;
         };
 
diff --git a/crates/journal/src/journal.rs b/crates/journal/src/journal.rs
index 0335a746cd..c09ab6f764 100644
--- a/crates/journal/src/journal.rs
+++ b/crates/journal/src/journal.rs
@@ -123,7 +123,7 @@ pub fn new_journal_entry(workspace: &Workspace, window: &mut Window, cx: &mut Ap
     }
 
     let app_state = workspace.app_state().clone();
-    let view_snapshot = workspace.weak_handle().clone();
+    let view_snapshot = workspace.weak_handle();
 
     window
         .spawn(cx, async move |cx| {
@@ -170,23 +170,23 @@ pub fn new_journal_entry(workspace: &Workspace, window: &mut Window, cx: &mut Ap
                     .await
             };
 
-            if let Some(Some(Ok(item))) = opened.first() {
-                if let Some(editor) = item.downcast::<Editor>().map(|editor| editor.downgrade()) {
-                    editor.update_in(cx, |editor, window, cx| {
-                        let len = editor.buffer().read(cx).len(cx);
-                        editor.change_selections(
-                            SelectionEffects::scroll(Autoscroll::center()),
-                            window,
-                            cx,
-                            |s| s.select_ranges([len..len]),
-                        );
-                        if len > 0 {
-                            editor.insert("\n\n", window, cx);
-                        }
-                        editor.insert(&entry_heading, window, cx);
+            if let Some(Some(Ok(item))) = opened.first()
+                && let Some(editor) = item.downcast::<Editor>().map(|editor| editor.downgrade())
+            {
+                editor.update_in(cx, |editor, window, cx| {
+                    let len = editor.buffer().read(cx).len(cx);
+                    editor.change_selections(
+                        SelectionEffects::scroll(Autoscroll::center()),
+                        window,
+                        cx,
+                        |s| s.select_ranges([len..len]),
+                    );
+                    if len > 0 {
                         editor.insert("\n\n", window, cx);
-                    })?;
-                }
+                    }
+                    editor.insert(&entry_heading, window, cx);
+                    editor.insert("\n\n", window, cx);
+                })?;
             }
 
             anyhow::Ok(())
@@ -195,11 +195,9 @@ pub fn new_journal_entry(workspace: &Workspace, window: &mut Window, cx: &mut Ap
 }
 
 fn journal_dir(path: &str) -> Option<PathBuf> {
-    let expanded_journal_dir = shellexpand::full(path) //TODO handle this better
+    shellexpand::full(path) //TODO handle this better
         .ok()
-        .map(|dir| Path::new(&dir.to_string()).to_path_buf().join("journal"));
-
-    expanded_journal_dir
+        .map(|dir| Path::new(&dir.to_string()).to_path_buf().join("journal"))
 }
 
 fn heading_entry(now: NaiveTime, hour_format: &Option<HourFormat>) -> String {
diff --git a/crates/language/src/buffer.rs b/crates/language/src/buffer.rs
index 83517accc2..4ddc2b3018 100644
--- a/crates/language/src/buffer.rs
+++ b/crates/language/src/buffer.rs
@@ -716,7 +716,7 @@ impl EditPreview {
                     &self.applied_edits_snapshot,
                     &self.syntax_snapshot,
                     None,
-                    &syntax_theme,
+                    syntax_theme,
                 );
             }
 
@@ -727,7 +727,7 @@ impl EditPreview {
                     &current_snapshot.text,
                     &current_snapshot.syntax,
                     Some(deletion_highlight_style),
-                    &syntax_theme,
+                    syntax_theme,
                 );
             }
 
@@ -737,7 +737,7 @@ impl EditPreview {
                     &self.applied_edits_snapshot,
                     &self.syntax_snapshot,
                     Some(insertion_highlight_style),
-                    &syntax_theme,
+                    syntax_theme,
                 );
             }
 
@@ -749,7 +749,7 @@ impl EditPreview {
             &self.applied_edits_snapshot,
             &self.syntax_snapshot,
             None,
-            &syntax_theme,
+            syntax_theme,
         );
 
         highlighted_text.build()
@@ -974,8 +974,6 @@ impl Buffer {
                 TextBuffer::new_normalized(0, buffer_id, Default::default(), text).snapshot();
             let mut syntax = SyntaxMap::new(&text).snapshot();
             if let Some(language) = language.clone() {
-                let text = text.clone();
-                let language = language.clone();
                 let language_registry = language_registry.clone();
                 syntax.reparse(&text, language_registry, language);
             }
@@ -1020,9 +1018,6 @@ impl Buffer {
         let text = TextBuffer::new_normalized(0, buffer_id, Default::default(), text).snapshot();
         let mut syntax = SyntaxMap::new(&text).snapshot();
         if let Some(language) = language.clone() {
-            let text = text.clone();
-            let language = language.clone();
-            let language_registry = language_registry.clone();
             syntax.reparse(&text, language_registry, language);
         }
         BufferSnapshot {
@@ -1128,7 +1123,7 @@ impl Buffer {
         } else {
             ranges.as_slice()
         }
-        .into_iter()
+        .iter()
         .peekable();
 
         let mut edits = Vec::new();
@@ -1158,13 +1153,12 @@ impl Buffer {
             base_buffer.edit(edits, None, cx)
         });
 
-        if let Some(operation) = operation {
-            if let Some(BufferBranchState {
+        if let Some(operation) = operation
+            && let Some(BufferBranchState {
                 merged_operations, ..
             }) = &mut self.branch_state
-            {
-                merged_operations.push(operation);
-            }
+        {
+            merged_operations.push(operation);
         }
     }
 
@@ -1185,11 +1179,11 @@ impl Buffer {
         };
 
         let mut operation_to_undo = None;
-        if let Operation::Buffer(text::Operation::Edit(operation)) = &operation {
-            if let Ok(ix) = merged_operations.binary_search(&operation.timestamp) {
-                merged_operations.remove(ix);
-                operation_to_undo = Some(operation.timestamp);
-            }
+        if let Operation::Buffer(text::Operation::Edit(operation)) = &operation
+            && let Ok(ix) = merged_operations.binary_search(&operation.timestamp)
+        {
+            merged_operations.remove(ix);
+            operation_to_undo = Some(operation.timestamp);
         }
 
         self.apply_ops([operation.clone()], cx);
@@ -1396,7 +1390,8 @@ impl Buffer {
                     is_first = false;
                     return true;
                 }
-                let any_sub_ranges_contain_range = layer
+
+                layer
                     .included_sub_ranges
                     .map(|sub_ranges| {
                         sub_ranges.iter().any(|sub_range| {
@@ -1405,9 +1400,7 @@ impl Buffer {
                             !is_before_start && !is_after_end
                         })
                     })
-                    .unwrap_or(true);
-                let result = any_sub_ranges_contain_range;
-                return result;
+                    .unwrap_or(true)
             })
             .last()
             .map(|info| info.language.clone())
@@ -1424,10 +1417,10 @@ impl Buffer {
             .map(|info| info.language.clone())
             .collect();
 
-        if languages.is_empty() {
-            if let Some(buffer_language) = self.language() {
-                languages.push(buffer_language.clone());
-            }
+        if languages.is_empty()
+            && let Some(buffer_language) = self.language()
+        {
+            languages.push(buffer_language.clone());
         }
 
         languages
@@ -1521,12 +1514,12 @@ impl Buffer {
                     let new_syntax_map = parse_task.await;
                     this.update(cx, move |this, cx| {
                         let grammar_changed =
-                            this.language.as_ref().map_or(true, |current_language| {
+                            this.language.as_ref().is_none_or(|current_language| {
                                 !Arc::ptr_eq(&language, current_language)
                             });
                         let language_registry_changed = new_syntax_map
                             .contains_unknown_injections()
-                            && language_registry.map_or(false, |registry| {
+                            && language_registry.is_some_and(|registry| {
                                 registry.version() != new_syntax_map.language_registry_version()
                             });
                         let parse_again = language_registry_changed
@@ -1571,15 +1564,26 @@ impl Buffer {
             diagnostics: diagnostics.iter().cloned().collect(),
             lamport_timestamp,
         };
+
         self.apply_diagnostic_update(server_id, diagnostics, lamport_timestamp, cx);
         self.send_operation(op, true, cx);
     }
 
-    pub fn get_diagnostics(&self, server_id: LanguageServerId) -> Option<&DiagnosticSet> {
-        let Ok(idx) = self.diagnostics.binary_search_by_key(&server_id, |v| v.0) else {
-            return None;
-        };
-        Some(&self.diagnostics[idx].1)
+    pub fn buffer_diagnostics(
+        &self,
+        for_server: Option<LanguageServerId>,
+    ) -> Vec<&DiagnosticEntry<Anchor>> {
+        match for_server {
+            Some(server_id) => match self.diagnostics.binary_search_by_key(&server_id, |v| v.0) {
+                Ok(idx) => self.diagnostics[idx].1.iter().collect(),
+                Err(_) => Vec::new(),
+            },
+            None => self
+                .diagnostics
+                .iter()
+                .flat_map(|(_, diagnostic_set)| diagnostic_set.iter())
+                .collect(),
+        }
     }
 
     fn request_autoindent(&mut self, cx: &mut Context<Self>) {
@@ -1719,8 +1723,7 @@ impl Buffer {
                                 })
                                 .with_delta(suggestion.delta, language_indent_size);
 
-                            if old_suggestions.get(&new_row).map_or(
-                                true,
+                            if old_suggestions.get(&new_row).is_none_or(
                                 |(old_indentation, was_within_error)| {
                                     suggested_indent != *old_indentation
                                         && (!suggestion.within_error || *was_within_error)
@@ -2014,7 +2017,7 @@ impl Buffer {
 
     fn was_changed(&mut self) {
         self.change_bits.retain(|change_bit| {
-            change_bit.upgrade().map_or(false, |bit| {
+            change_bit.upgrade().is_some_and(|bit| {
                 bit.replace(true);
                 true
             })
@@ -2191,7 +2194,7 @@ impl Buffer {
         if self
             .remote_selections
             .get(&self.text.replica_id())
-            .map_or(true, |set| !set.selections.is_empty())
+            .is_none_or(|set| !set.selections.is_empty())
         {
             self.set_active_selections(Arc::default(), false, Default::default(), cx);
         }
@@ -2208,7 +2211,7 @@ impl Buffer {
         self.remote_selections.insert(
             AGENT_REPLICA_ID,
             SelectionSet {
-                selections: selections.clone(),
+                selections,
                 lamport_timestamp,
                 line_mode,
                 cursor_shape,
@@ -2270,13 +2273,11 @@ impl Buffer {
             }
             let new_text = new_text.into();
             if !new_text.is_empty() || !range.is_empty() {
-                if let Some((prev_range, prev_text)) = edits.last_mut() {
-                    if prev_range.end >= range.start {
-                        prev_range.end = cmp::max(prev_range.end, range.end);
-                        *prev_text = format!("{prev_text}{new_text}").into();
-                    } else {
-                        edits.push((range, new_text));
-                    }
+                if let Some((prev_range, prev_text)) = edits.last_mut()
+                    && prev_range.end >= range.start
+                {
+                    prev_range.end = cmp::max(prev_range.end, range.end);
+                    *prev_text = format!("{prev_text}{new_text}").into();
                 } else {
                     edits.push((range, new_text));
                 }
@@ -2296,10 +2297,27 @@ impl Buffer {
 
         if let Some((before_edit, mode)) = autoindent_request {
             let mut delta = 0isize;
-            let entries = edits
+            let mut previous_setting = None;
+            let entries: Vec<_> = edits
                 .into_iter()
                 .enumerate()
                 .zip(&edit_operation.as_edit().unwrap().new_text)
+                .filter(|((_, (range, _)), _)| {
+                    let language = before_edit.language_at(range.start);
+                    let language_id = language.map(|l| l.id());
+                    if let Some((cached_language_id, auto_indent)) = previous_setting
+                        && cached_language_id == language_id
+                    {
+                        auto_indent
+                    } else {
+                        // The auto-indent setting is not present in editorconfigs, hence
+                        // we can avoid passing the file here.
+                        let auto_indent =
+                            language_settings(language.map(|l| l.name()), None, cx).auto_indent;
+                        previous_setting = Some((language_id, auto_indent));
+                        auto_indent
+                    }
+                })
                 .map(|((ix, (range, _)), new_text)| {
                     let new_text_length = new_text.len();
                     let old_start = range.start.to_point(&before_edit);
@@ -2373,12 +2391,14 @@ impl Buffer {
                 })
                 .collect();
 
-            self.autoindent_requests.push(Arc::new(AutoindentRequest {
-                before_edit,
-                entries,
-                is_block_mode: matches!(mode, AutoindentMode::Block { .. }),
-                ignore_empty_lines: false,
-            }));
+            if !entries.is_empty() {
+                self.autoindent_requests.push(Arc::new(AutoindentRequest {
+                    before_edit,
+                    entries,
+                    is_block_mode: matches!(mode, AutoindentMode::Block { .. }),
+                    ignore_empty_lines: false,
+                }));
+            }
         }
 
         self.end_transaction(cx);
@@ -2571,10 +2591,10 @@ impl Buffer {
                 line_mode,
                 cursor_shape,
             } => {
-                if let Some(set) = self.remote_selections.get(&lamport_timestamp.replica_id) {
-                    if set.lamport_timestamp > lamport_timestamp {
-                        return;
-                    }
+                if let Some(set) = self.remote_selections.get(&lamport_timestamp.replica_id)
+                    && set.lamport_timestamp > lamport_timestamp
+                {
+                    return;
                 }
 
                 self.remote_selections.insert(
@@ -2600,7 +2620,7 @@ impl Buffer {
                     self.completion_triggers = self
                         .completion_triggers_per_language_server
                         .values()
-                        .flat_map(|triggers| triggers.into_iter().cloned())
+                        .flat_map(|triggers| triggers.iter().cloned())
                         .collect();
                 } else {
                     self.completion_triggers_per_language_server
@@ -2760,7 +2780,7 @@ impl Buffer {
             self.completion_triggers = self
                 .completion_triggers_per_language_server
                 .values()
-                .flat_map(|triggers| triggers.into_iter().cloned())
+                .flat_map(|triggers| triggers.iter().cloned())
                 .collect();
         } else {
             self.completion_triggers_per_language_server
@@ -2822,7 +2842,7 @@ impl Buffer {
         let mut edits: Vec<(Range<usize>, String)> = Vec::new();
         let mut last_end = None;
         for _ in 0..old_range_count {
-            if last_end.map_or(false, |last_end| last_end >= self.len()) {
+            if last_end.is_some_and(|last_end| last_end >= self.len()) {
                 break;
             }
 
@@ -2991,9 +3011,9 @@ impl BufferSnapshot {
         }
 
         let mut error_ranges = Vec::<Range<Point>>::new();
-        let mut matches = self.syntax.matches(range.clone(), &self.text, |grammar| {
-            grammar.error_query.as_ref()
-        });
+        let mut matches = self
+            .syntax
+            .matches(range, &self.text, |grammar| grammar.error_query.as_ref());
         while let Some(mat) = matches.peek() {
             let node = mat.captures[0].node;
             let start = Point::from_ts_point(node.start_position());
@@ -3042,14 +3062,14 @@ impl BufferSnapshot {
                 if config
                     .decrease_indent_pattern
                     .as_ref()
-                    .map_or(false, |regex| regex.is_match(line))
+                    .is_some_and(|regex| regex.is_match(line))
                 {
                     indent_change_rows.push((row, Ordering::Less));
                 }
                 if config
                     .increase_indent_pattern
                     .as_ref()
-                    .map_or(false, |regex| regex.is_match(line))
+                    .is_some_and(|regex| regex.is_match(line))
                 {
                     indent_change_rows.push((row + 1, Ordering::Greater));
                 }
@@ -3065,7 +3085,7 @@ impl BufferSnapshot {
                     }
                 }
                 for rule in &config.decrease_indent_patterns {
-                    if rule.pattern.as_ref().map_or(false, |r| r.is_match(line)) {
+                    if rule.pattern.as_ref().is_some_and(|r| r.is_match(line)) {
                         let row_start_column = self.indent_size_for_line(row).len;
                         let basis_row = rule
                             .valid_after
@@ -3278,8 +3298,7 @@ impl BufferSnapshot {
         range: Range<D>,
     ) -> Option<SyntaxLayer<'_>> {
         let range = range.to_offset(self);
-        return self
-            .syntax
+        self.syntax
             .layers_for_range(range, &self.text, false)
             .max_by(|a, b| {
                 if a.depth != b.depth {
@@ -3289,7 +3308,7 @@ impl BufferSnapshot {
                 } else {
                     a.node().end_byte().cmp(&b.node().end_byte()).reverse()
                 }
-            });
+            })
     }
 
     /// Returns the main [`Language`].
@@ -3347,9 +3366,8 @@ impl BufferSnapshot {
                 }
             }
 
-            if let Some(range) = range {
-                if smallest_range_and_depth.as_ref().map_or(
-                    true,
+            if let Some(range) = range
+                && smallest_range_and_depth.as_ref().is_none_or(
                     |(smallest_range, smallest_range_depth)| {
                         if layer.depth > *smallest_range_depth {
                             true
@@ -3359,13 +3377,13 @@ impl BufferSnapshot {
                             false
                         }
                     },
-                ) {
-                    smallest_range_and_depth = Some((range, layer.depth));
-                    scope = Some(LanguageScope {
-                        language: layer.language.clone(),
-                        override_id: layer.override_id(offset, &self.text),
-                    });
-                }
+                )
+            {
+                smallest_range_and_depth = Some((range, layer.depth));
+                scope = Some(LanguageScope {
+                    language: layer.language.clone(),
+                    override_id: layer.override_id(offset, &self.text),
+                });
             }
         }
 
@@ -3481,17 +3499,17 @@ impl BufferSnapshot {
                 // If there is a candidate node on both sides of the (empty) range, then
                 // decide between the two by favoring a named node over an anonymous token.
                 // If both nodes are the same in that regard, favor the right one.
-                if let Some(right_node) = right_node {
-                    if right_node.is_named() || !left_node.is_named() {
-                        layer_result = right_node;
-                    }
+                if let Some(right_node) = right_node
+                    && (right_node.is_named() || !left_node.is_named())
+                {
+                    layer_result = right_node;
                 }
             }
 
-            if let Some(previous_result) = &result {
-                if previous_result.byte_range().len() < layer_result.byte_range().len() {
-                    continue;
-                }
+            if let Some(previous_result) = &result
+                && previous_result.byte_range().len() < layer_result.byte_range().len()
+            {
+                continue;
             }
             result = Some(layer_result);
         }
@@ -3526,7 +3544,7 @@ impl BufferSnapshot {
             }
         }
 
-        return Some(cursor.node());
+        Some(cursor.node())
     }
 
     /// Returns the outline for the buffer.
@@ -3555,7 +3573,7 @@ impl BufferSnapshot {
         )?;
         let mut prev_depth = None;
         items.retain(|item| {
-            let result = prev_depth.map_or(true, |prev_depth| item.depth > prev_depth);
+            let result = prev_depth.is_none_or(|prev_depth| item.depth > prev_depth);
             prev_depth = Some(item.depth);
             result
         });
@@ -4062,11 +4080,11 @@ impl BufferSnapshot {
         // Get the ranges of the innermost pair of brackets.
         let mut result: Option<(Range<usize>, Range<usize>)> = None;
 
-        for pair in self.enclosing_bracket_ranges(range.clone()) {
-            if let Some(range_filter) = range_filter {
-                if !range_filter(pair.open_range.clone(), pair.close_range.clone()) {
-                    continue;
-                }
+        for pair in self.enclosing_bracket_ranges(range) {
+            if let Some(range_filter) = range_filter
+                && !range_filter(pair.open_range.clone(), pair.close_range.clone())
+            {
+                continue;
             }
 
             let len = pair.close_range.end - pair.open_range.start;
@@ -4235,7 +4253,7 @@ impl BufferSnapshot {
                         .map(|(range, name)| {
                             (
                                 name.to_string(),
-                                self.text_for_range(range.clone()).collect::<String>(),
+                                self.text_for_range(range).collect::<String>(),
                             )
                         })
                         .collect();
@@ -4432,7 +4450,7 @@ impl BufferSnapshot {
 
     pub fn words_in_range(&self, query: WordsQuery) -> BTreeMap<String, Range<Anchor>> {
         let query_str = query.fuzzy_contents;
-        if query_str.map_or(false, |query| query.is_empty()) {
+        if query_str.is_some_and(|query| query.is_empty()) {
             return BTreeMap::default();
         }
 
@@ -4456,27 +4474,26 @@ impl BufferSnapshot {
                         current_word_start_ix = Some(ix);
                     }
 
-                    if let Some(query_chars) = &query_chars {
-                        if query_ix < query_len {
-                            if c.to_lowercase().eq(query_chars[query_ix].to_lowercase()) {
-                                query_ix += 1;
-                            }
-                        }
+                    if let Some(query_chars) = &query_chars
+                        && query_ix < query_len
+                        && c.to_lowercase().eq(query_chars[query_ix].to_lowercase())
+                    {
+                        query_ix += 1;
                     }
                     continue;
-                } else if let Some(word_start) = current_word_start_ix.take() {
-                    if query_ix == query_len {
-                        let word_range = self.anchor_before(word_start)..self.anchor_after(ix);
-                        let mut word_text = self.text_for_range(word_start..ix).peekable();
-                        let first_char = word_text
-                            .peek()
-                            .and_then(|first_chunk| first_chunk.chars().next());
-                        // Skip empty and "words" starting with digits as a heuristic to reduce useless completions
-                        if !query.skip_digits
-                            || first_char.map_or(true, |first_char| !first_char.is_digit(10))
-                        {
-                            words.insert(word_text.collect(), word_range);
-                        }
+                } else if let Some(word_start) = current_word_start_ix.take()
+                    && query_ix == query_len
+                {
+                    let word_range = self.anchor_before(word_start)..self.anchor_after(ix);
+                    let mut word_text = self.text_for_range(word_start..ix).peekable();
+                    let first_char = word_text
+                        .peek()
+                        .and_then(|first_chunk| first_chunk.chars().next());
+                    // Skip empty and "words" starting with digits as a heuristic to reduce useless completions
+                    if !query.skip_digits
+                        || first_char.is_none_or(|first_char| !first_char.is_digit(10))
+                    {
+                        words.insert(word_text.collect(), word_range);
                     }
                 }
                 query_ix = 0;
@@ -4589,17 +4606,17 @@ impl<'a> BufferChunks<'a> {
                 highlights
                     .stack
                     .retain(|(end_offset, _)| *end_offset > range.start);
-                if let Some(capture) = &highlights.next_capture {
-                    if range.start >= capture.node.start_byte() {
-                        let next_capture_end = capture.node.end_byte();
-                        if range.start < next_capture_end {
-                            highlights.stack.push((
-                                next_capture_end,
-                                highlights.highlight_maps[capture.grammar_index].get(capture.index),
-                            ));
-                        }
-                        highlights.next_capture.take();
+                if let Some(capture) = &highlights.next_capture
+                    && range.start >= capture.node.start_byte()
+                {
+                    let next_capture_end = capture.node.end_byte();
+                    if range.start < next_capture_end {
+                        highlights.stack.push((
+                            next_capture_end,
+                            highlights.highlight_maps[capture.grammar_index].get(capture.index),
+                        ));
                     }
+                    highlights.next_capture.take();
                 }
             } else if let Some(snapshot) = self.buffer_snapshot {
                 let (captures, highlight_maps) = snapshot.get_highlights(self.range.clone());
@@ -4624,33 +4641,33 @@ impl<'a> BufferChunks<'a> {
     }
 
     fn initialize_diagnostic_endpoints(&mut self) {
-        if let Some(diagnostics) = self.diagnostic_endpoints.as_mut() {
-            if let Some(buffer) = self.buffer_snapshot {
-                let mut diagnostic_endpoints = Vec::new();
-                for entry in buffer.diagnostics_in_range::<_, usize>(self.range.clone(), false) {
-                    diagnostic_endpoints.push(DiagnosticEndpoint {
-                        offset: entry.range.start,
-                        is_start: true,
-                        severity: entry.diagnostic.severity,
-                        is_unnecessary: entry.diagnostic.is_unnecessary,
-                        underline: entry.diagnostic.underline,
-                    });
-                    diagnostic_endpoints.push(DiagnosticEndpoint {
-                        offset: entry.range.end,
-                        is_start: false,
-                        severity: entry.diagnostic.severity,
-                        is_unnecessary: entry.diagnostic.is_unnecessary,
-                        underline: entry.diagnostic.underline,
-                    });
-                }
-                diagnostic_endpoints
-                    .sort_unstable_by_key(|endpoint| (endpoint.offset, !endpoint.is_start));
-                *diagnostics = diagnostic_endpoints.into_iter().peekable();
-                self.hint_depth = 0;
-                self.error_depth = 0;
-                self.warning_depth = 0;
-                self.information_depth = 0;
+        if let Some(diagnostics) = self.diagnostic_endpoints.as_mut()
+            && let Some(buffer) = self.buffer_snapshot
+        {
+            let mut diagnostic_endpoints = Vec::new();
+            for entry in buffer.diagnostics_in_range::<_, usize>(self.range.clone(), false) {
+                diagnostic_endpoints.push(DiagnosticEndpoint {
+                    offset: entry.range.start,
+                    is_start: true,
+                    severity: entry.diagnostic.severity,
+                    is_unnecessary: entry.diagnostic.is_unnecessary,
+                    underline: entry.diagnostic.underline,
+                });
+                diagnostic_endpoints.push(DiagnosticEndpoint {
+                    offset: entry.range.end,
+                    is_start: false,
+                    severity: entry.diagnostic.severity,
+                    is_unnecessary: entry.diagnostic.is_unnecessary,
+                    underline: entry.diagnostic.underline,
+                });
             }
+            diagnostic_endpoints
+                .sort_unstable_by_key(|endpoint| (endpoint.offset, !endpoint.is_start));
+            *diagnostics = diagnostic_endpoints.into_iter().peekable();
+            self.hint_depth = 0;
+            self.error_depth = 0;
+            self.warning_depth = 0;
+            self.information_depth = 0;
         }
     }
 
@@ -4761,11 +4778,11 @@ impl<'a> Iterator for BufferChunks<'a> {
                 .min(next_capture_start)
                 .min(next_diagnostic_endpoint);
             let mut highlight_id = None;
-            if let Some(highlights) = self.highlights.as_ref() {
-                if let Some((parent_capture_end, parent_highlight_id)) = highlights.stack.last() {
-                    chunk_end = chunk_end.min(*parent_capture_end);
-                    highlight_id = Some(*parent_highlight_id);
-                }
+            if let Some(highlights) = self.highlights.as_ref()
+                && let Some((parent_capture_end, parent_highlight_id)) = highlights.stack.last()
+            {
+                chunk_end = chunk_end.min(*parent_capture_end);
+                highlight_id = Some(*parent_highlight_id);
             }
 
             let slice =
@@ -4959,11 +4976,12 @@ pub(crate) fn contiguous_ranges(
     std::iter::from_fn(move || {
         loop {
             if let Some(value) = values.next() {
-                if let Some(range) = &mut current_range {
-                    if value == range.end && range.len() < max_len {
-                        range.end += 1;
-                        continue;
-                    }
+                if let Some(range) = &mut current_range
+                    && value == range.end
+                    && range.len() < max_len
+                {
+                    range.end += 1;
+                    continue;
                 }
 
                 let prev_range = current_range.clone();
@@ -5031,10 +5049,10 @@ impl CharClassifier {
             } else {
                 scope.word_characters()
             };
-            if let Some(characters) = characters {
-                if characters.contains(&c) {
-                    return CharKind::Word;
-                }
+            if let Some(characters) = characters
+                && characters.contains(&c)
+            {
+                return CharKind::Word;
             }
         }
 
diff --git a/crates/language/src/buffer_tests.rs b/crates/language/src/buffer_tests.rs
index 2e2df7e658..ce65afa628 100644
--- a/crates/language/src/buffer_tests.rs
+++ b/crates/language/src/buffer_tests.rs
@@ -1744,7 +1744,7 @@ fn test_autoindent_block_mode(cx: &mut App) {
         buffer.edit(
             [(Point::new(2, 8)..Point::new(2, 8), inserted_text)],
             Some(AutoindentMode::Block {
-                original_indent_columns: original_indent_columns.clone(),
+                original_indent_columns,
             }),
             cx,
         );
@@ -1790,9 +1790,9 @@ fn test_autoindent_block_mode_with_newline(cx: &mut App) {
         "#
         .unindent();
         buffer.edit(
-            [(Point::new(2, 0)..Point::new(2, 0), inserted_text.clone())],
+            [(Point::new(2, 0)..Point::new(2, 0), inserted_text)],
             Some(AutoindentMode::Block {
-                original_indent_columns: original_indent_columns.clone(),
+                original_indent_columns,
             }),
             cx,
         );
@@ -1843,7 +1843,7 @@ fn test_autoindent_block_mode_without_original_indent_columns(cx: &mut App) {
         buffer.edit(
             [(Point::new(2, 0)..Point::new(2, 0), inserted_text)],
             Some(AutoindentMode::Block {
-                original_indent_columns: original_indent_columns.clone(),
+                original_indent_columns,
             }),
             cx,
         );
@@ -2030,7 +2030,7 @@ fn test_autoindent_with_injected_languages(cx: &mut App) {
 
     let language_registry = Arc::new(LanguageRegistry::test(cx.background_executor().clone()));
     language_registry.add(html_language.clone());
-    language_registry.add(javascript_language.clone());
+    language_registry.add(javascript_language);
 
     cx.new(|cx| {
         let (text, ranges) = marked_text_ranges(
diff --git a/crates/language/src/language.rs b/crates/language/src/language.rs
index 549afc931c..7ae77c9141 100644
--- a/crates/language/src/language.rs
+++ b/crates/language/src/language.rs
@@ -44,6 +44,7 @@ use serde::{Deserialize, Deserializer, Serialize, Serializer, de};
 use serde_json::Value;
 use settings::WorktreeId;
 use smol::future::FutureExt as _;
+use std::num::NonZeroU32;
 use std::{
     any::Any,
     ffi::OsStr,
@@ -59,7 +60,6 @@ use std::{
         atomic::{AtomicU64, AtomicUsize, Ordering::SeqCst},
     },
 };
-use std::{num::NonZeroU32, sync::OnceLock};
 use syntax_map::{QueryCursorHandle, SyntaxSnapshot};
 use task::RunnableTag;
 pub use task_context::{ContextLocation, ContextProvider, RunnableRange};
@@ -67,7 +67,9 @@ pub use text_diff::{
     DiffOptions, apply_diff_patch, line_diff, text_diff, text_diff_with_options, unified_diff,
 };
 use theme::SyntaxTheme;
-pub use toolchain::{LanguageToolchainStore, Toolchain, ToolchainList, ToolchainLister};
+pub use toolchain::{
+    LanguageToolchainStore, LocalLanguageToolchainStore, Toolchain, ToolchainList, ToolchainLister,
+};
 use tree_sitter::{self, Query, QueryCursor, WasmStore, wasmtime};
 use util::serde::default_true;
 
@@ -119,8 +121,8 @@ where
     func(cursor.deref_mut())
 }
 
-static NEXT_LANGUAGE_ID: LazyLock<AtomicUsize> = LazyLock::new(Default::default);
-static NEXT_GRAMMAR_ID: LazyLock<AtomicUsize> = LazyLock::new(Default::default);
+static NEXT_LANGUAGE_ID: AtomicUsize = AtomicUsize::new(0);
+static NEXT_GRAMMAR_ID: AtomicUsize = AtomicUsize::new(0);
 static WASM_ENGINE: LazyLock<wasmtime::Engine> = LazyLock::new(|| {
     wasmtime::Engine::new(&wasmtime::Config::new()).expect("Failed to create Wasmtime engine")
 });
@@ -161,11 +163,10 @@ pub struct CachedLspAdapter {
     pub name: LanguageServerName,
     pub disk_based_diagnostic_sources: Vec<String>,
     pub disk_based_diagnostics_progress_token: Option<String>,
-    language_ids: HashMap<String, String>,
+    language_ids: HashMap<LanguageName, String>,
     pub adapter: Arc<dyn LspAdapter>,
     pub reinstall_attempt_count: AtomicU64,
     cached_binary: futures::lock::Mutex<Option<LanguageServerBinary>>,
-    manifest_name: OnceLock<Option<ManifestName>>,
 }
 
 impl Debug for CachedLspAdapter {
@@ -201,18 +202,17 @@ impl CachedLspAdapter {
             adapter,
             cached_binary: Default::default(),
             reinstall_attempt_count: AtomicU64::new(0),
-            manifest_name: Default::default(),
         })
     }
 
     pub fn name(&self) -> LanguageServerName {
-        self.adapter.name().clone()
+        self.adapter.name()
     }
 
     pub async fn get_language_server_command(
         self: Arc<Self>,
         delegate: Arc<dyn LspAdapterDelegate>,
-        toolchains: Arc<dyn LanguageToolchainStore>,
+        toolchains: Option<Toolchain>,
         binary_options: LanguageServerBinaryOptions,
         cx: &mut AsyncApp,
     ) -> Result<LanguageServerBinary> {
@@ -277,24 +277,10 @@ impl CachedLspAdapter {
 
     pub fn language_id(&self, language_name: &LanguageName) -> String {
         self.language_ids
-            .get(language_name.as_ref())
+            .get(language_name)
             .cloned()
             .unwrap_or_else(|| language_name.lsp_id())
     }
-    pub fn manifest_name(&self) -> Option<ManifestName> {
-        self.manifest_name
-            .get_or_init(|| self.adapter.manifest_name())
-            .clone()
-    }
-}
-
-/// Determines what gets sent out as a workspace folders content
-#[derive(Clone, Copy, Debug, PartialEq)]
-pub enum WorkspaceFoldersContent {
-    /// Send out a single entry with the root of the workspace.
-    WorktreeRoot,
-    /// Send out a list of subproject roots.
-    SubprojectRoots,
 }
 
 /// [`LspAdapterDelegate`] allows [`LspAdapter]` implementations to interface with the application
@@ -326,7 +312,7 @@ pub trait LspAdapter: 'static + Send + Sync {
     fn get_language_server_command<'a>(
         self: Arc<Self>,
         delegate: Arc<dyn LspAdapterDelegate>,
-        toolchains: Arc<dyn LanguageToolchainStore>,
+        toolchains: Option<Toolchain>,
         binary_options: LanguageServerBinaryOptions,
         mut cached_binary: futures::lock::MutexGuard<'a, Option<LanguageServerBinary>>,
         cx: &'a mut AsyncApp,
@@ -343,9 +329,9 @@ pub trait LspAdapter: 'static + Send + Sync {
             // We only want to cache when we fall back to the global one,
             // because we don't want to download and overwrite our global one
             // for each worktree we might have open.
-            if binary_options.allow_path_lookup {
-                if let Some(binary) = self.check_if_user_installed(delegate.as_ref(), toolchains, cx).await {
-                    log::info!(
+            if binary_options.allow_path_lookup
+                && let Some(binary) = self.check_if_user_installed(delegate.as_ref(), toolchains, cx).await {
+                    log::debug!(
                         "found user-installed language server for {}. path: {:?}, arguments: {:?}",
                         self.name().0,
                         binary.path,
@@ -353,7 +339,6 @@ pub trait LspAdapter: 'static + Send + Sync {
                     );
                     return Ok(binary);
                 }
-            }
 
             anyhow::ensure!(binary_options.allow_binary_download, "downloading language servers disabled");
 
@@ -401,7 +386,7 @@ pub trait LspAdapter: 'static + Send + Sync {
     async fn check_if_user_installed(
         &self,
         _: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         None
@@ -534,7 +519,7 @@ pub trait LspAdapter: 'static + Send + Sync {
         self: Arc<Self>,
         _: &dyn Fs,
         _: &Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _cx: &mut AsyncApp,
     ) -> Result<Value> {
         Ok(serde_json::json!({}))
@@ -554,7 +539,6 @@ pub trait LspAdapter: 'static + Send + Sync {
         _target_language_server_id: LanguageServerName,
         _: &dyn Fs,
         _: &Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
         _cx: &mut AsyncApp,
     ) -> Result<Option<Value>> {
         Ok(None)
@@ -573,8 +557,8 @@ pub trait LspAdapter: 'static + Send + Sync {
         None
     }
 
-    fn language_ids(&self) -> HashMap<String, String> {
-        Default::default()
+    fn language_ids(&self) -> HashMap<LanguageName, String> {
+        HashMap::default()
     }
 
     /// Support custom initialize params.
@@ -586,17 +570,6 @@ pub trait LspAdapter: 'static + Send + Sync {
         Ok(original)
     }
 
-    /// Determines whether a language server supports workspace folders.
-    ///
-    /// And does not trip over itself in the process.
-    fn workspace_folders_content(&self) -> WorkspaceFoldersContent {
-        WorkspaceFoldersContent::SubprojectRoots
-    }
-
-    fn manifest_name(&self) -> Option<ManifestName> {
-        None
-    }
-
     /// Method only implemented by the default JSON language server adapter.
     /// Used to provide dynamic reloading of the JSON schemas used to
     /// provide autocompletion and diagnostics in Zed setting and keybind
@@ -628,7 +601,7 @@ async fn try_fetch_server_binary<L: LspAdapter + 'static + Send + Sync + ?Sized>
     }
 
     let name = adapter.name();
-    log::info!("fetching latest version of language server {:?}", name.0);
+    log::debug!("fetching latest version of language server {:?}", name.0);
     delegate.update_status(name.clone(), BinaryStatus::CheckingForUpdate);
 
     let latest_version = adapter
@@ -639,7 +612,7 @@ async fn try_fetch_server_binary<L: LspAdapter + 'static + Send + Sync + ?Sized>
         .check_if_version_installed(latest_version.as_ref(), &container_dir, delegate.as_ref())
         .await
     {
-        log::info!("language server {:?} is already installed", name.0);
+        log::debug!("language server {:?} is already installed", name.0);
         delegate.update_status(name.clone(), BinaryStatus::None);
         Ok(binary)
     } else {
@@ -990,11 +963,11 @@ where
 
 fn deserialize_regex_vec<'de, D: Deserializer<'de>>(d: D) -> Result<Vec<Regex>, D::Error> {
     let sources = Vec::<String>::deserialize(d)?;
-    let mut regexes = Vec::new();
-    for source in sources {
-        regexes.push(regex::Regex::new(&source).map_err(de::Error::custom)?);
-    }
-    Ok(regexes)
+    sources
+        .into_iter()
+        .map(|source| regex::Regex::new(&source))
+        .collect::<Result<_, _>>()
+        .map_err(de::Error::custom)
 }
 
 fn regex_vec_json_schema(_: &mut SchemaGenerator) -> schemars::Schema {
@@ -1060,12 +1033,10 @@ impl<'de> Deserialize<'de> for BracketPairConfig {
         D: Deserializer<'de>,
     {
         let result = Vec::<BracketPairContent>::deserialize(deserializer)?;
-        let mut brackets = Vec::with_capacity(result.len());
-        let mut disabled_scopes_by_bracket_ix = Vec::with_capacity(result.len());
-        for entry in result {
-            brackets.push(entry.bracket_pair);
-            disabled_scopes_by_bracket_ix.push(entry.not_in);
-        }
+        let (brackets, disabled_scopes_by_bracket_ix) = result
+            .into_iter()
+            .map(|entry| (entry.bracket_pair, entry.not_in))
+            .unzip();
 
         Ok(BracketPairConfig {
             pairs: brackets,
@@ -1107,6 +1078,7 @@ pub struct Language {
     pub(crate) grammar: Option<Arc<Grammar>>,
     pub(crate) context_provider: Option<Arc<dyn ContextProvider>>,
     pub(crate) toolchain: Option<Arc<dyn ToolchainLister>>,
+    pub(crate) manifest_name: Option<ManifestName>,
 }
 
 #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
@@ -1317,6 +1289,7 @@ impl Language {
             }),
             context_provider: None,
             toolchain: None,
+            manifest_name: None,
         }
     }
 
@@ -1330,6 +1303,10 @@ impl Language {
         self
     }
 
+    pub fn with_manifest(mut self, name: Option<ManifestName>) -> Self {
+        self.manifest_name = name;
+        self
+    }
     pub fn with_queries(mut self, queries: LanguageQueries) -> Result<Self> {
         if let Some(query) = queries.highlights {
             self = self
@@ -1399,16 +1376,14 @@ impl Language {
         let grammar = self.grammar_mut().context("cannot mutate grammar")?;
 
         let query = Query::new(&grammar.ts_language, source)?;
-        let mut extra_captures = Vec::with_capacity(query.capture_names().len());
-
-        for name in query.capture_names().iter() {
-            let kind = if *name == "run" {
-                RunnableCapture::Run
-            } else {
-                RunnableCapture::Named(name.to_string().into())
-            };
-            extra_captures.push(kind);
-        }
+        let extra_captures: Vec<_> = query
+            .capture_names()
+            .iter()
+            .map(|&name| match name {
+                "run" => RunnableCapture::Run,
+                name => RunnableCapture::Named(name.to_string().into()),
+            })
+            .collect();
 
         grammar.runnable_config = Some(RunnableConfig {
             extra_captures,
@@ -1538,9 +1513,8 @@ impl Language {
             .map(|ix| {
                 let mut config = BracketsPatternConfig::default();
                 for setting in query.property_settings(ix) {
-                    match setting.key.as_ref() {
-                        "newline.only" => config.newline_only = true,
-                        _ => {}
+                    if setting.key.as_ref() == "newline.only" {
+                        config.newline_only = true
                     }
                 }
                 config
@@ -1763,6 +1737,9 @@ impl Language {
     pub fn name(&self) -> LanguageName {
         self.config.name.clone()
     }
+    pub fn manifest(&self) -> Option<&ManifestName> {
+        self.manifest_name.as_ref()
+    }
 
     pub fn code_fence_block_name(&self) -> Arc<str> {
         self.config
@@ -1797,10 +1774,10 @@ impl Language {
                 BufferChunks::new(text, range, Some((captures, highlight_maps)), false, None)
             {
                 let end_offset = offset + chunk.text.len();
-                if let Some(highlight_id) = chunk.syntax_highlight_id {
-                    if !highlight_id.is_default() {
-                        result.push((offset..end_offset, highlight_id));
-                    }
+                if let Some(highlight_id) = chunk.syntax_highlight_id
+                    && !highlight_id.is_default()
+                {
+                    result.push((offset..end_offset, highlight_id));
                 }
                 offset = end_offset;
             }
@@ -1817,11 +1794,11 @@ impl Language {
     }
 
     pub fn set_theme(&self, theme: &SyntaxTheme) {
-        if let Some(grammar) = self.grammar.as_ref() {
-            if let Some(highlights_query) = &grammar.highlights_query {
-                *grammar.highlight_map.lock() =
-                    HighlightMap::new(highlights_query.capture_names(), theme);
-            }
+        if let Some(grammar) = self.grammar.as_ref()
+            && let Some(highlights_query) = &grammar.highlights_query
+        {
+            *grammar.highlight_map.lock() =
+                HighlightMap::new(highlights_query.capture_names(), theme);
         }
     }
 
@@ -1851,7 +1828,7 @@ impl Language {
 
 impl LanguageScope {
     pub fn path_suffixes(&self) -> &[String] {
-        &self.language.path_suffixes()
+        self.language.path_suffixes()
     }
 
     pub fn language_name(&self) -> LanguageName {
@@ -1941,11 +1918,11 @@ impl LanguageScope {
             .enumerate()
             .map(move |(ix, bracket)| {
                 let mut is_enabled = true;
-                if let Some(next_disabled_ix) = disabled_ids.first() {
-                    if ix == *next_disabled_ix as usize {
-                        disabled_ids = &disabled_ids[1..];
-                        is_enabled = false;
-                    }
+                if let Some(next_disabled_ix) = disabled_ids.first()
+                    && ix == *next_disabled_ix as usize
+                {
+                    disabled_ids = &disabled_ids[1..];
+                    is_enabled = false;
                 }
                 (bracket, is_enabled)
             })
@@ -2208,7 +2185,7 @@ impl LspAdapter for FakeLspAdapter {
     async fn check_if_user_installed(
         &self,
         _: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         Some(self.language_server_binary.clone())
@@ -2217,7 +2194,7 @@ impl LspAdapter for FakeLspAdapter {
     fn get_language_server_command<'a>(
         self: Arc<Self>,
         _: Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: LanguageServerBinaryOptions,
         _: futures::lock::MutexGuard<'a, Option<LanguageServerBinary>>,
         _: &'a mut AsyncApp,
@@ -2352,9 +2329,9 @@ mod tests {
         assert_eq!(
             languages.language_names(),
             &[
-                "JSON".to_string(),
-                "Plain Text".to_string(),
-                "Rust".to_string(),
+                LanguageName::new("JSON"),
+                LanguageName::new("Plain Text"),
+                LanguageName::new("Rust"),
             ]
         );
 
@@ -2365,9 +2342,9 @@ mod tests {
         assert_eq!(
             languages.language_names(),
             &[
-                "JSON".to_string(),
-                "Plain Text".to_string(),
-                "Rust".to_string(),
+                LanguageName::new("JSON"),
+                LanguageName::new("Plain Text"),
+                LanguageName::new("Rust"),
             ]
         );
 
@@ -2378,9 +2355,9 @@ mod tests {
         assert_eq!(
             languages.language_names(),
             &[
-                "JSON".to_string(),
-                "Plain Text".to_string(),
-                "Rust".to_string(),
+                LanguageName::new("JSON"),
+                LanguageName::new("Plain Text"),
+                LanguageName::new("Rust"),
             ]
         );
 
diff --git a/crates/language/src/language_registry.rs b/crates/language/src/language_registry.rs
index ab3c0f9b37..4f07240e44 100644
--- a/crates/language/src/language_registry.rs
+++ b/crates/language/src/language_registry.rs
@@ -1,6 +1,6 @@
 use crate::{
     CachedLspAdapter, File, Language, LanguageConfig, LanguageId, LanguageMatcher,
-    LanguageServerName, LspAdapter, PLAIN_TEXT, ToolchainLister,
+    LanguageServerName, LspAdapter, ManifestName, PLAIN_TEXT, ToolchainLister,
     language_settings::{
         AllLanguageSettingsContent, LanguageSettingsContent, all_language_settings,
     },
@@ -49,7 +49,7 @@ impl LanguageName {
     pub fn from_proto(s: String) -> Self {
         Self(SharedString::from(s))
     }
-    pub fn to_proto(self) -> String {
+    pub fn to_proto(&self) -> String {
         self.0.to_string()
     }
     pub fn lsp_id(&self) -> String {
@@ -172,6 +172,7 @@ pub struct AvailableLanguage {
     hidden: bool,
     load: Arc<dyn Fn() -> Result<LoadedLanguage> + 'static + Send + Sync>,
     loaded: bool,
+    manifest_name: Option<ManifestName>,
 }
 
 impl AvailableLanguage {
@@ -259,6 +260,7 @@ pub struct LoadedLanguage {
     pub queries: LanguageQueries,
     pub context_provider: Option<Arc<dyn ContextProvider>>,
     pub toolchain_provider: Option<Arc<dyn ToolchainLister>>,
+    pub manifest_name: Option<ManifestName>,
 }
 
 impl LanguageRegistry {
@@ -349,12 +351,14 @@ impl LanguageRegistry {
             config.grammar.clone(),
             config.matcher.clone(),
             config.hidden,
+            None,
             Arc::new(move || {
                 Ok(LoadedLanguage {
                     config: config.clone(),
                     queries: Default::default(),
                     toolchain_provider: None,
                     context_provider: None,
+                    manifest_name: None,
                 })
             }),
         )
@@ -411,30 +415,6 @@ impl LanguageRegistry {
         cached
     }
 
-    pub fn get_or_register_lsp_adapter(
-        &self,
-        language_name: LanguageName,
-        server_name: LanguageServerName,
-        build_adapter: impl FnOnce() -> Arc<dyn LspAdapter> + 'static,
-    ) -> Arc<CachedLspAdapter> {
-        let registered = self
-            .state
-            .write()
-            .lsp_adapters
-            .entry(language_name.clone())
-            .or_default()
-            .iter()
-            .find(|cached_adapter| cached_adapter.name == server_name)
-            .cloned();
-
-        if let Some(found) = registered {
-            found
-        } else {
-            let adapter = build_adapter();
-            self.register_lsp_adapter(language_name, adapter)
-        }
-    }
-
     /// Register a fake language server and adapter
     /// The returned channel receives a new instance of the language server every time it is started
     #[cfg(any(feature = "test-support", test))]
@@ -452,7 +432,7 @@ impl LanguageRegistry {
             let mut state = self.state.write();
             state
                 .lsp_adapters
-                .entry(language_name.clone())
+                .entry(language_name)
                 .or_default()
                 .push(adapter.clone());
             state.all_lsp_adapters.insert(adapter.name(), adapter);
@@ -474,7 +454,7 @@ impl LanguageRegistry {
         let cached_adapter = CachedLspAdapter::new(Arc::new(adapter));
         state
             .lsp_adapters
-            .entry(language_name.clone())
+            .entry(language_name)
             .or_default()
             .push(cached_adapter.clone());
         state
@@ -511,6 +491,7 @@ impl LanguageRegistry {
         grammar_name: Option<Arc<str>>,
         matcher: LanguageMatcher,
         hidden: bool,
+        manifest_name: Option<ManifestName>,
         load: Arc<dyn Fn() -> Result<LoadedLanguage> + 'static + Send + Sync>,
     ) {
         let state = &mut *self.state.write();
@@ -520,6 +501,7 @@ impl LanguageRegistry {
                 existing_language.grammar = grammar_name;
                 existing_language.matcher = matcher;
                 existing_language.load = load;
+                existing_language.manifest_name = manifest_name;
                 return;
             }
         }
@@ -532,6 +514,7 @@ impl LanguageRegistry {
             load,
             hidden,
             loaded: false,
+            manifest_name,
         });
         state.version += 1;
         state.reload_count += 1;
@@ -571,15 +554,15 @@ impl LanguageRegistry {
         self.state.read().language_settings.clone()
     }
 
-    pub fn language_names(&self) -> Vec<String> {
+    pub fn language_names(&self) -> Vec<LanguageName> {
         let state = self.state.read();
         let mut result = state
             .available_languages
             .iter()
-            .filter_map(|l| l.loaded.not().then_some(l.name.to_string()))
-            .chain(state.languages.iter().map(|l| l.config.name.to_string()))
+            .filter_map(|l| l.loaded.not().then_some(l.name.clone()))
+            .chain(state.languages.iter().map(|l| l.config.name.clone()))
             .collect::<Vec<_>>();
-        result.sort_unstable_by_key(|language_name| language_name.to_lowercase());
+        result.sort_unstable_by_key(|language_name| language_name.as_ref().to_lowercase());
         result
     }
 
@@ -599,6 +582,7 @@ impl LanguageRegistry {
             grammar: language.config.grammar.clone(),
             matcher: language.config.matcher.clone(),
             hidden: language.config.hidden,
+            manifest_name: None,
             load: Arc::new(|| Err(anyhow!("already loaded"))),
             loaded: true,
         });
@@ -789,7 +773,7 @@ impl LanguageRegistry {
             };
 
             let content_matches = || {
-                config.first_line_pattern.as_ref().map_or(false, |pattern| {
+                config.first_line_pattern.as_ref().is_some_and(|pattern| {
                     content
                         .as_ref()
                         .is_some_and(|content| pattern.is_match(content))
@@ -938,10 +922,12 @@ impl LanguageRegistry {
                                 Language::new_with_id(id, loaded_language.config, grammar)
                                     .with_context_provider(loaded_language.context_provider)
                                     .with_toolchain_lister(loaded_language.toolchain_provider)
+                                    .with_manifest(loaded_language.manifest_name)
                                     .with_queries(loaded_language.queries)
                             } else {
                                 Ok(Language::new_with_id(id, loaded_language.config, None)
                                     .with_context_provider(loaded_language.context_provider)
+                                    .with_manifest(loaded_language.manifest_name)
                                     .with_toolchain_lister(loaded_language.toolchain_provider))
                             }
                         }
@@ -1116,7 +1102,7 @@ impl LanguageRegistry {
         use gpui::AppContext as _;
 
         let mut state = self.state.write();
-        let fake_entry = state.fake_server_entries.get_mut(&name)?;
+        let fake_entry = state.fake_server_entries.get_mut(name)?;
         let (server, mut fake_server) = lsp::FakeLanguageServer::new(
             server_id,
             binary,
@@ -1181,8 +1167,7 @@ impl LanguageRegistryState {
                 soft_wrap: language.config.soft_wrap,
                 auto_indent_on_paste: language.config.auto_indent_on_paste,
                 ..Default::default()
-            }
-            .clone(),
+            },
         );
         self.languages.push(language);
         self.version += 1;
diff --git a/crates/language/src/language_settings.rs b/crates/language/src/language_settings.rs
index 9b0abb1537..0f82d3997f 100644
--- a/crates/language/src/language_settings.rs
+++ b/crates/language/src/language_settings.rs
@@ -5,7 +5,7 @@ use anyhow::Result;
 use collections::{FxHashMap, HashMap, HashSet};
 use ec4rs::{
     Properties as EditorconfigProperties,
-    property::{FinalNewline, IndentSize, IndentStyle, TabWidth, TrimTrailingWs},
+    property::{FinalNewline, IndentSize, IndentStyle, MaxLineLen, TabWidth, TrimTrailingWs},
 };
 use globset::{Glob, GlobMatcher, GlobSet, GlobSetBuilder};
 use gpui::{App, Modifiers};
@@ -133,6 +133,8 @@ pub struct LanguageSettings {
     /// Whether to use additional LSP queries to format (and amend) the code after
     /// every "trigger" symbol input, defined by LSP server capabilities.
     pub use_on_type_format: bool,
+    /// Whether indentation should be adjusted based on the context whilst typing.
+    pub auto_indent: bool,
     /// Whether indentation of pasted content should be adjusted based on the context.
     pub auto_indent_on_paste: bool,
     /// Controls how the editor handles the autoclosed characters.
@@ -185,8 +187,8 @@ impl LanguageSettings {
         let rest = available_language_servers
             .iter()
             .filter(|&available_language_server| {
-                !disabled_language_servers.contains(&available_language_server)
-                    && !enabled_language_servers.contains(&available_language_server)
+                !disabled_language_servers.contains(available_language_server)
+                    && !enabled_language_servers.contains(available_language_server)
             })
             .cloned()
             .collect::<Vec<_>>();
@@ -197,7 +199,7 @@ impl LanguageSettings {
                 if language_server.0.as_ref() == Self::REST_OF_LANGUAGE_SERVERS {
                     rest.clone()
                 } else {
-                    vec![language_server.clone()]
+                    vec![language_server]
                 }
             })
             .collect::<Vec<_>>()
@@ -251,7 +253,7 @@ impl EditPredictionSettings {
         !self.disabled_globs.iter().any(|glob| {
             if glob.is_absolute {
                 file.as_local()
-                    .map_or(false, |local| glob.matcher.is_match(local.abs_path(cx)))
+                    .is_some_and(|local| glob.matcher.is_match(local.abs_path(cx)))
             } else {
                 glob.matcher.is_match(file.path())
             }
@@ -348,6 +350,12 @@ pub struct CompletionSettings {
     /// Default: `fallback`
     #[serde(default = "default_words_completion_mode")]
     pub words: WordsCompletionMode,
+    /// How many characters has to be in the completions query to automatically show the words-based completions.
+    /// Before that value, it's still possible to trigger the words-based completion manually with the corresponding editor command.
+    ///
+    /// Default: 3
+    #[serde(default = "default_3")]
+    pub words_min_length: usize,
     /// Whether to fetch LSP completions or not.
     ///
     /// Default: true
@@ -357,7 +365,7 @@ pub struct CompletionSettings {
     /// When set to 0, waits indefinitely.
     ///
     /// Default: 0
-    #[serde(default = "default_lsp_fetch_timeout_ms")]
+    #[serde(default)]
     pub lsp_fetch_timeout_ms: u64,
     /// Controls how LSP completions are inserted.
     ///
@@ -403,8 +411,8 @@ fn default_lsp_insert_mode() -> LspInsertMode {
     LspInsertMode::ReplaceSuffix
 }
 
-fn default_lsp_fetch_timeout_ms() -> u64 {
-    0
+fn default_3() -> usize {
+    3
 }
 
 /// The settings for a particular language.
@@ -561,6 +569,10 @@ pub struct LanguageSettingsContent {
     ///
     /// Default: true
     pub linked_edits: Option<bool>,
+    /// Whether indentation should be adjusted based on the context whilst typing.
+    ///
+    /// Default: true
+    pub auto_indent: Option<bool>,
     /// Whether indentation of pasted content should be adjusted based on the context.
     ///
     /// Default: true
@@ -987,7 +999,7 @@ pub struct InlayHintSettings {
     /// Default: false
     #[serde(default)]
     pub enabled: bool,
-    /// Global switch to toggle inline values on and off.
+    /// Global switch to toggle inline values on and off when debugging.
     ///
     /// Default: true
     #[serde(default = "default_true")]
@@ -1125,6 +1137,10 @@ impl AllLanguageSettings {
 }
 
 fn merge_with_editorconfig(settings: &mut LanguageSettings, cfg: &EditorconfigProperties) {
+    let preferred_line_length = cfg.get::<MaxLineLen>().ok().and_then(|v| match v {
+        MaxLineLen::Value(u) => Some(u as u32),
+        MaxLineLen::Off => None,
+    });
     let tab_size = cfg.get::<IndentSize>().ok().and_then(|v| match v {
         IndentSize::Value(u) => NonZeroU32::new(u as u32),
         IndentSize::UseTabWidth => cfg.get::<TabWidth>().ok().and_then(|w| match w {
@@ -1152,6 +1168,7 @@ fn merge_with_editorconfig(settings: &mut LanguageSettings, cfg: &EditorconfigPr
             *target = value;
         }
     }
+    merge(&mut settings.preferred_line_length, preferred_line_length);
     merge(&mut settings.tab_size, tab_size);
     merge(&mut settings.hard_tabs, hard_tabs);
     merge(
@@ -1457,6 +1474,7 @@ impl settings::Settings for AllLanguageSettings {
             } else {
                 d.completions = Some(CompletionSettings {
                     words: mode,
+                    words_min_length: 3,
                     lsp: true,
                     lsp_fetch_timeout_ms: 0,
                     lsp_insert_mode: LspInsertMode::ReplaceSuffix,
@@ -1517,6 +1535,7 @@ fn merge_settings(settings: &mut LanguageSettings, src: &LanguageSettingsContent
     merge(&mut settings.use_autoclose, src.use_autoclose);
     merge(&mut settings.use_auto_surround, src.use_auto_surround);
     merge(&mut settings.use_on_type_format, src.use_on_type_format);
+    merge(&mut settings.auto_indent, src.auto_indent);
     merge(&mut settings.auto_indent_on_paste, src.auto_indent_on_paste);
     merge(
         &mut settings.always_treat_brackets_as_autoclosed,
@@ -1786,7 +1805,7 @@ mod tests {
         assert!(!settings.enabled_for_file(&dot_env_file, &cx));
 
         // Test tilde expansion
-        let home = shellexpand::tilde("~").into_owned().to_string();
+        let home = shellexpand::tilde("~").into_owned();
         let home_file = make_test_file(&[&home, "test.rs"]);
         let settings = build_settings(&["~/test.rs"]);
         assert!(!settings.enabled_for_file(&home_file, &cx));
diff --git a/crates/language/src/manifest.rs b/crates/language/src/manifest.rs
index 37505fec3b..3ca0ddf71d 100644
--- a/crates/language/src/manifest.rs
+++ b/crates/language/src/manifest.rs
@@ -12,6 +12,12 @@ impl Borrow<SharedString> for ManifestName {
     }
 }
 
+impl Borrow<str> for ManifestName {
+    fn borrow(&self) -> &str {
+        &self.0
+    }
+}
+
 impl From<SharedString> for ManifestName {
     fn from(value: SharedString) -> Self {
         Self(value)
diff --git a/crates/language/src/proto.rs b/crates/language/src/proto.rs
index 18f6bb8709..3be189cea0 100644
--- a/crates/language/src/proto.rs
+++ b/crates/language/src/proto.rs
@@ -86,7 +86,7 @@ pub fn serialize_operation(operation: &crate::Operation) -> proto::Operation {
                 proto::operation::UpdateCompletionTriggers {
                     replica_id: lamport_timestamp.replica_id as u32,
                     lamport_timestamp: lamport_timestamp.value,
-                    triggers: triggers.iter().cloned().collect(),
+                    triggers: triggers.clone(),
                     language_server_id: server_id.to_proto(),
                 },
             ),
@@ -385,12 +385,10 @@ pub fn deserialize_undo_map_entry(
 
 /// Deserializes selections from the RPC representation.
 pub fn deserialize_selections(selections: Vec<proto::Selection>) -> Arc<[Selection<Anchor>]> {
-    Arc::from(
-        selections
-            .into_iter()
-            .filter_map(deserialize_selection)
-            .collect::<Vec<_>>(),
-    )
+    selections
+        .into_iter()
+        .filter_map(deserialize_selection)
+        .collect()
 }
 
 /// Deserializes a [`Selection`] from the RPC representation.
diff --git a/crates/language/src/syntax_map.rs b/crates/language/src/syntax_map.rs
index f441114a90..38aad007fe 100644
--- a/crates/language/src/syntax_map.rs
+++ b/crates/language/src/syntax_map.rs
@@ -17,7 +17,7 @@ use std::{
     sync::Arc,
 };
 use streaming_iterator::StreamingIterator;
-use sum_tree::{Bias, SeekTarget, SumTree};
+use sum_tree::{Bias, Dimensions, SeekTarget, SumTree};
 use text::{Anchor, BufferSnapshot, OffsetRangeExt, Point, Rope, ToOffset, ToPoint};
 use tree_sitter::{Node, Query, QueryCapture, QueryCaptures, QueryCursor, QueryMatches, Tree};
 
@@ -285,7 +285,7 @@ impl SyntaxSnapshot {
 
     pub fn interpolate(&mut self, text: &BufferSnapshot) {
         let edits = text
-            .anchored_edits_since::<(usize, Point)>(&self.interpolated_version)
+            .anchored_edits_since::<Dimensions<usize, Point>>(&self.interpolated_version)
             .collect::<Vec<_>>();
         self.interpolated_version = text.version().clone();
 
@@ -333,7 +333,8 @@ impl SyntaxSnapshot {
             };
 
             let Some(layer) = cursor.item() else { break };
-            let (start_byte, start_point) = layer.range.start.summary::<(usize, Point)>(text);
+            let Dimensions(start_byte, start_point, _) =
+                layer.range.start.summary::<Dimensions<usize, Point>>(text);
 
             // Ignore edits that end before the start of this layer, and don't consider them
             // for any subsequent layers at this same depth.
@@ -413,42 +414,42 @@ impl SyntaxSnapshot {
             .collect::<Vec<_>>();
         self.reparse_with_ranges(text, root_language.clone(), edit_ranges, registry.as_ref());
 
-        if let Some(registry) = registry {
-            if registry.version() != self.language_registry_version {
-                let mut resolved_injection_ranges = Vec::new();
-                let mut cursor = self
-                    .layers
-                    .filter::<_, ()>(text, |summary| summary.contains_unknown_injections);
+        if let Some(registry) = registry
+            && registry.version() != self.language_registry_version
+        {
+            let mut resolved_injection_ranges = Vec::new();
+            let mut cursor = self
+                .layers
+                .filter::<_, ()>(text, |summary| summary.contains_unknown_injections);
+            cursor.next();
+            while let Some(layer) = cursor.item() {
+                let SyntaxLayerContent::Pending { language_name } = &layer.content else {
+                    unreachable!()
+                };
+                if registry
+                    .language_for_name_or_extension(language_name)
+                    .now_or_never()
+                    .and_then(|language| language.ok())
+                    .is_some()
+                {
+                    let range = layer.range.to_offset(text);
+                    log::trace!("reparse range {range:?} for language {language_name:?}");
+                    resolved_injection_ranges.push(range);
+                }
+
                 cursor.next();
-                while let Some(layer) = cursor.item() {
-                    let SyntaxLayerContent::Pending { language_name } = &layer.content else {
-                        unreachable!()
-                    };
-                    if registry
-                        .language_for_name_or_extension(language_name)
-                        .now_or_never()
-                        .and_then(|language| language.ok())
-                        .is_some()
-                    {
-                        let range = layer.range.to_offset(text);
-                        log::trace!("reparse range {range:?} for language {language_name:?}");
-                        resolved_injection_ranges.push(range);
-                    }
-
-                    cursor.next();
-                }
-                drop(cursor);
-
-                if !resolved_injection_ranges.is_empty() {
-                    self.reparse_with_ranges(
-                        text,
-                        root_language,
-                        resolved_injection_ranges,
-                        Some(&registry),
-                    );
-                }
-                self.language_registry_version = registry.version();
             }
+            drop(cursor);
+
+            if !resolved_injection_ranges.is_empty() {
+                self.reparse_with_ranges(
+                    text,
+                    root_language,
+                    resolved_injection_ranges,
+                    Some(&registry),
+                );
+            }
+            self.language_registry_version = registry.version();
         }
 
         self.update_count += 1;
@@ -562,8 +563,8 @@ impl SyntaxSnapshot {
             }
 
             let Some(step) = step else { break };
-            let (step_start_byte, step_start_point) =
-                step.range.start.summary::<(usize, Point)>(text);
+            let Dimensions(step_start_byte, step_start_point, _) =
+                step.range.start.summary::<Dimensions<usize, Point>>(text);
             let step_end_byte = step.range.end.to_offset(text);
 
             let mut old_layer = cursor.item();
@@ -831,7 +832,7 @@ impl SyntaxSnapshot {
         query: fn(&Grammar) -> Option<&Query>,
     ) -> SyntaxMapCaptures<'a> {
         SyntaxMapCaptures::new(
-            range.clone(),
+            range,
             text,
             [SyntaxLayer {
                 language,
@@ -1064,10 +1065,10 @@ impl<'a> SyntaxMapCaptures<'a> {
     pub fn set_byte_range(&mut self, range: Range<usize>) {
         for layer in &mut self.layers {
             layer.captures.set_byte_range(range.clone());
-            if let Some(capture) = &layer.next_capture {
-                if capture.node.end_byte() > range.start {
-                    continue;
-                }
+            if let Some(capture) = &layer.next_capture
+                && capture.node.end_byte() > range.start
+            {
+                continue;
             }
             layer.advance();
         }
@@ -1276,11 +1277,11 @@ fn join_ranges(
             (None, None) => break,
         };
 
-        if let Some(last) = result.last_mut() {
-            if range.start <= last.end {
-                last.end = last.end.max(range.end);
-                continue;
-            }
+        if let Some(last) = result.last_mut()
+            && range.start <= last.end
+        {
+            last.end = last.end.max(range.end);
+            continue;
         }
         result.push(range);
     }
@@ -1296,7 +1297,7 @@ fn parse_text(
 ) -> anyhow::Result<Tree> {
     with_parser(|parser| {
         let mut chunks = text.chunks_in_range(start_byte..text.len());
-        parser.set_included_ranges(&ranges)?;
+        parser.set_included_ranges(ranges)?;
         parser.set_language(&grammar.ts_language)?;
         parser
             .parse_with_options(
@@ -1329,14 +1330,13 @@ fn get_injections(
     // if there currently no matches for that injection.
     combined_injection_ranges.clear();
     for pattern in &config.patterns {
-        if let (Some(language_name), true) = (pattern.language.as_ref(), pattern.combined) {
-            if let Some(language) = language_registry
+        if let (Some(language_name), true) = (pattern.language.as_ref(), pattern.combined)
+            && let Some(language) = language_registry
                 .language_for_name_or_extension(language_name)
                 .now_or_never()
                 .and_then(|language| language.ok())
-            {
-                combined_injection_ranges.insert(language.id, (language, Vec::new()));
-            }
+        {
+            combined_injection_ranges.insert(language.id, (language, Vec::new()));
         }
     }
 
@@ -1356,10 +1356,11 @@ fn get_injections(
                 content_ranges.first().unwrap().start_byte..content_ranges.last().unwrap().end_byte;
 
             // Avoid duplicate matches if two changed ranges intersect the same injection.
-            if let Some((prev_pattern_ix, prev_range)) = &prev_match {
-                if mat.pattern_index == *prev_pattern_ix && content_range == *prev_range {
-                    continue;
-                }
+            if let Some((prev_pattern_ix, prev_range)) = &prev_match
+                && mat.pattern_index == *prev_pattern_ix
+                && content_range == *prev_range
+            {
+                continue;
             }
 
             prev_match = Some((mat.pattern_index, content_range.clone()));
@@ -1629,10 +1630,8 @@ impl<'a> SyntaxLayer<'a> {
                     if offset < range.start || offset > range.end {
                         continue;
                     }
-                } else {
-                    if offset <= range.start || offset >= range.end {
-                        continue;
-                    }
+                } else if offset <= range.start || offset >= range.end {
+                    continue;
                 }
 
                 if let Some((_, smallest_range)) = &smallest_match {
diff --git a/crates/language/src/syntax_map/syntax_map_tests.rs b/crates/language/src/syntax_map/syntax_map_tests.rs
index d576c95cd5..622731b781 100644
--- a/crates/language/src/syntax_map/syntax_map_tests.rs
+++ b/crates/language/src/syntax_map/syntax_map_tests.rs
@@ -58,8 +58,7 @@ fn test_splice_included_ranges() {
     assert_eq!(change, 0..1);
 
     // does not create overlapping ranges
-    let (new_ranges, change) =
-        splice_included_ranges(ranges.clone(), &[0..18], &[ts_range(20..32)]);
+    let (new_ranges, change) = splice_included_ranges(ranges, &[0..18], &[ts_range(20..32)]);
     assert_eq!(
         new_ranges,
         &[ts_range(20..32), ts_range(50..60), ts_range(80..90)]
@@ -104,7 +103,7 @@ fn test_syntax_map_layers_for_range(cx: &mut App) {
     );
 
     let mut syntax_map = SyntaxMap::new(&buffer);
-    syntax_map.set_language_registry(registry.clone());
+    syntax_map.set_language_registry(registry);
     syntax_map.reparse(language.clone(), &buffer);
 
     assert_layers_for_range(
@@ -165,7 +164,7 @@ fn test_syntax_map_layers_for_range(cx: &mut App) {
     // Put the vec! macro back, adding back the syntactic layer.
     buffer.undo();
     syntax_map.interpolate(&buffer);
-    syntax_map.reparse(language.clone(), &buffer);
+    syntax_map.reparse(language, &buffer);
 
     assert_layers_for_range(
         &syntax_map,
@@ -252,8 +251,8 @@ fn test_dynamic_language_injection(cx: &mut App) {
     assert!(syntax_map.contains_unknown_injections());
 
     registry.add(Arc::new(html_lang()));
-    syntax_map.reparse(markdown.clone(), &buffer);
-    syntax_map.reparse(markdown_inline.clone(), &buffer);
+    syntax_map.reparse(markdown, &buffer);
+    syntax_map.reparse(markdown_inline, &buffer);
     assert_layers_for_range(
         &syntax_map,
         &buffer,
@@ -862,7 +861,7 @@ fn test_syntax_map_languages_loading_with_erb(cx: &mut App) {
     log::info!("editing");
     buffer.edit_via_marked_text(&text);
     syntax_map.interpolate(&buffer);
-    syntax_map.reparse(language.clone(), &buffer);
+    syntax_map.reparse(language, &buffer);
 
     assert_capture_ranges(
         &syntax_map,
@@ -986,7 +985,7 @@ fn test_random_edits(
     syntax_map.reparse(language.clone(), &buffer);
 
     let mut reference_syntax_map = SyntaxMap::new(&buffer);
-    reference_syntax_map.set_language_registry(registry.clone());
+    reference_syntax_map.set_language_registry(registry);
 
     log::info!("initial text:\n{}", buffer.text());
 
diff --git a/crates/language/src/text_diff.rs b/crates/language/src/text_diff.rs
index f9221f571a..11d8a070d2 100644
--- a/crates/language/src/text_diff.rs
+++ b/crates/language/src/text_diff.rs
@@ -88,11 +88,11 @@ pub fn text_diff_with_options(
                 let new_offset = new_byte_range.start;
                 hunk_input.clear();
                 hunk_input.update_before(tokenize(
-                    &old_text[old_byte_range.clone()],
+                    &old_text[old_byte_range],
                     options.language_scope.clone(),
                 ));
                 hunk_input.update_after(tokenize(
-                    &new_text[new_byte_range.clone()],
+                    &new_text[new_byte_range],
                     options.language_scope.clone(),
                 ));
                 diff_internal(&hunk_input, |old_byte_range, new_byte_range, _, _| {
@@ -103,7 +103,7 @@ pub fn text_diff_with_options(
                     let replacement_text = if new_byte_range.is_empty() {
                         empty.clone()
                     } else {
-                        new_text[new_byte_range.clone()].into()
+                        new_text[new_byte_range].into()
                     };
                     edits.push((old_byte_range, replacement_text));
                 });
@@ -111,9 +111,9 @@ pub fn text_diff_with_options(
                 let replacement_text = if new_byte_range.is_empty() {
                     empty.clone()
                 } else {
-                    new_text[new_byte_range.clone()].into()
+                    new_text[new_byte_range].into()
                 };
-                edits.push((old_byte_range.clone(), replacement_text));
+                edits.push((old_byte_range, replacement_text));
             }
         },
     );
@@ -154,19 +154,19 @@ fn diff_internal(
         input,
         |old_tokens: Range<u32>, new_tokens: Range<u32>| {
             old_offset += token_len(
-                &input,
+                input,
                 &input.before[old_token_ix as usize..old_tokens.start as usize],
             );
             new_offset += token_len(
-                &input,
+                input,
                 &input.after[new_token_ix as usize..new_tokens.start as usize],
             );
             let old_len = token_len(
-                &input,
+                input,
                 &input.before[old_tokens.start as usize..old_tokens.end as usize],
             );
             let new_len = token_len(
-                &input,
+                input,
                 &input.after[new_tokens.start as usize..new_tokens.end as usize],
             );
             let old_byte_range = old_offset..old_offset + old_len;
@@ -186,14 +186,14 @@ fn tokenize(text: &str, language_scope: Option<LanguageScope>) -> impl Iterator<
     let mut prev = None;
     let mut start_ix = 0;
     iter::from_fn(move || {
-        while let Some((ix, c)) = chars.next() {
+        for (ix, c) in chars.by_ref() {
             let mut token = None;
             let kind = classifier.kind(c);
-            if let Some((prev_char, prev_kind)) = prev {
-                if kind != prev_kind || (kind == CharKind::Punctuation && c != prev_char) {
-                    token = Some(&text[start_ix..ix]);
-                    start_ix = ix;
-                }
+            if let Some((prev_char, prev_kind)) = prev
+                && (kind != prev_kind || (kind == CharKind::Punctuation && c != prev_char))
+            {
+                token = Some(&text[start_ix..ix]);
+                start_ix = ix;
             }
             prev = Some((c, kind));
             if token.is_some() {
diff --git a/crates/language/src/toolchain.rs b/crates/language/src/toolchain.rs
index 1f4b038f68..73c142c8ca 100644
--- a/crates/language/src/toolchain.rs
+++ b/crates/language/src/toolchain.rs
@@ -17,7 +17,7 @@ use settings::WorktreeId;
 use crate::{LanguageName, ManifestName};
 
 /// Represents a single toolchain.
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Eq)]
 pub struct Toolchain {
     /// User-facing label
     pub name: SharedString,
@@ -27,6 +27,14 @@ pub struct Toolchain {
     pub as_json: serde_json::Value,
 }
 
+impl std::hash::Hash for Toolchain {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        self.name.hash(state);
+        self.path.hash(state);
+        self.language_name.hash(state);
+    }
+}
+
 impl PartialEq for Toolchain {
     fn eq(&self, other: &Self) -> bool {
         // Do not use as_json for comparisons; it shouldn't impact equality, as it's not user-surfaced.
@@ -64,8 +72,31 @@ pub trait LanguageToolchainStore: Send + Sync + 'static {
     ) -> Option<Toolchain>;
 }
 
+pub trait LocalLanguageToolchainStore: Send + Sync + 'static {
+    fn active_toolchain(
+        self: Arc<Self>,
+        worktree_id: WorktreeId,
+        relative_path: &Arc<Path>,
+        language_name: LanguageName,
+        cx: &mut AsyncApp,
+    ) -> Option<Toolchain>;
+}
+
+#[async_trait(?Send )]
+impl<T: LocalLanguageToolchainStore> LanguageToolchainStore for T {
+    async fn active_toolchain(
+        self: Arc<Self>,
+        worktree_id: WorktreeId,
+        relative_path: Arc<Path>,
+        language_name: LanguageName,
+        cx: &mut AsyncApp,
+    ) -> Option<Toolchain> {
+        self.active_toolchain(worktree_id, &relative_path, language_name, cx)
+    }
+}
+
 type DefaultIndex = usize;
-#[derive(Default, Clone)]
+#[derive(Default, Clone, Debug)]
 pub struct ToolchainList {
     pub toolchains: Vec<Toolchain>,
     pub default: Option<DefaultIndex>,
diff --git a/crates/language_extension/src/extension_lsp_adapter.rs b/crates/language_extension/src/extension_lsp_adapter.rs
index 58fbe6cda2..e465a8dd0a 100644
--- a/crates/language_extension/src/extension_lsp_adapter.rs
+++ b/crates/language_extension/src/extension_lsp_adapter.rs
@@ -12,8 +12,8 @@ use fs::Fs;
 use futures::{Future, FutureExt, future::join_all};
 use gpui::{App, AppContext, AsyncApp, Task};
 use language::{
-    BinaryStatus, CodeLabel, HighlightId, Language, LanguageName, LanguageToolchainStore,
-    LspAdapter, LspAdapterDelegate,
+    BinaryStatus, CodeLabel, HighlightId, Language, LanguageName, LspAdapter, LspAdapterDelegate,
+    Toolchain,
 };
 use lsp::{
     CodeActionKind, LanguageServerBinary, LanguageServerBinaryOptions, LanguageServerName,
@@ -159,7 +159,7 @@ impl LspAdapter for ExtensionLspAdapter {
     fn get_language_server_command<'a>(
         self: Arc<Self>,
         delegate: Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: LanguageServerBinaryOptions,
         _: futures::lock::MutexGuard<'a, Option<LanguageServerBinary>>,
         _: &'a mut AsyncApp,
@@ -242,7 +242,7 @@ impl LspAdapter for ExtensionLspAdapter {
         ]))
     }
 
-    fn language_ids(&self) -> HashMap<String, String> {
+    fn language_ids(&self) -> HashMap<LanguageName, String> {
         // TODO: The language IDs can be provided via the language server options
         // in `extension.toml now but we're leaving these existing usages in place temporarily
         // to avoid any compatibility issues between Zed and the extension versions.
@@ -250,7 +250,7 @@ impl LspAdapter for ExtensionLspAdapter {
         // We can remove once the following extension versions no longer see any use:
         // - php@0.0.1
         if self.extension.manifest().id.as_ref() == "php" {
-            return HashMap::from_iter([("PHP".into(), "php".into())]);
+            return HashMap::from_iter([(LanguageName::new("PHP"), "php".into())]);
         }
 
         self.extension
@@ -288,7 +288,7 @@ impl LspAdapter for ExtensionLspAdapter {
         self: Arc<Self>,
         _: &dyn Fs,
         delegate: &Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _cx: &mut AsyncApp,
     ) -> Result<Value> {
         let delegate = Arc::new(WorktreeDelegateAdapter(delegate.clone())) as _;
@@ -336,7 +336,7 @@ impl LspAdapter for ExtensionLspAdapter {
         target_language_server_id: LanguageServerName,
         _: &dyn Fs,
         delegate: &Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
+
         _cx: &mut AsyncApp,
     ) -> Result<Option<serde_json::Value>> {
         let delegate = Arc::new(WorktreeDelegateAdapter(delegate.clone())) as _;
diff --git a/crates/language_extension/src/language_extension.rs b/crates/language_extension/src/language_extension.rs
index 1915eae2d1..510f870ce8 100644
--- a/crates/language_extension/src/language_extension.rs
+++ b/crates/language_extension/src/language_extension.rs
@@ -52,7 +52,7 @@ impl ExtensionLanguageProxy for LanguageServerRegistryProxy {
         load: Arc<dyn Fn() -> Result<LoadedLanguage> + Send + Sync + 'static>,
     ) {
         self.language_registry
-            .register_language(language, grammar, matcher, hidden, load);
+            .register_language(language, grammar, matcher, hidden, None, load);
     }
 
     fn remove_languages(
@@ -61,6 +61,6 @@ impl ExtensionLanguageProxy for LanguageServerRegistryProxy {
         grammars_to_remove: &[Arc<str>],
     ) {
         self.language_registry
-            .remove_languages(&languages_to_remove, &grammars_to_remove);
+            .remove_languages(languages_to_remove, grammars_to_remove);
     }
 }
diff --git a/crates/language_model/Cargo.toml b/crates/language_model/Cargo.toml
index 841be60b0e..f9920623b5 100644
--- a/crates/language_model/Cargo.toml
+++ b/crates/language_model/Cargo.toml
@@ -20,6 +20,7 @@ anthropic = { workspace = true, features = ["schemars"] }
 anyhow.workspace = true
 base64.workspace = true
 client.workspace = true
+cloud_api_types.workspace = true
 cloud_llm_client.workspace = true
 collections.workspace = true
 futures.workspace = true
diff --git a/crates/language_model/src/fake_provider.rs b/crates/language_model/src/fake_provider.rs
index d54db7554a..b06a475f93 100644
--- a/crates/language_model/src/fake_provider.rs
+++ b/crates/language_model/src/fake_provider.rs
@@ -1,14 +1,19 @@
 use crate::{
-    AuthenticateError, LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent,
-    LanguageModelId, LanguageModelName, LanguageModelProvider, LanguageModelProviderId,
-    LanguageModelProviderName, LanguageModelProviderState, LanguageModelRequest,
-    LanguageModelToolChoice,
+    AuthenticateError, ConfigurationViewTargetAgent, LanguageModel, LanguageModelCompletionError,
+    LanguageModelCompletionEvent, LanguageModelId, LanguageModelName, LanguageModelProvider,
+    LanguageModelProviderId, LanguageModelProviderName, LanguageModelProviderState,
+    LanguageModelRequest, LanguageModelToolChoice,
 };
-use futures::{FutureExt, StreamExt, channel::mpsc, future::BoxFuture, stream::BoxStream};
+use anyhow::anyhow;
+use futures::{FutureExt, channel::mpsc, future::BoxFuture, stream::BoxStream};
 use gpui::{AnyView, App, AsyncApp, Entity, Task, Window};
 use http_client::Result;
 use parking_lot::Mutex;
-use std::sync::Arc;
+use smol::stream::StreamExt;
+use std::sync::{
+    Arc,
+    atomic::{AtomicBool, Ordering::SeqCst},
+};
 
 #[derive(Clone)]
 pub struct FakeLanguageModelProvider {
@@ -62,7 +67,12 @@ impl LanguageModelProvider for FakeLanguageModelProvider {
         Task::ready(Ok(()))
     }
 
-    fn configuration_view(&self, _window: &mut Window, _: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: ConfigurationViewTargetAgent,
+        _window: &mut Window,
+        _: &mut App,
+    ) -> AnyView {
         unimplemented!()
     }
 
@@ -92,7 +102,15 @@ pub struct ToolUseRequest {
 pub struct FakeLanguageModel {
     provider_id: LanguageModelProviderId,
     provider_name: LanguageModelProviderName,
-    current_completion_txs: Mutex<Vec<(LanguageModelRequest, mpsc::UnboundedSender<String>)>>,
+    current_completion_txs: Mutex<
+        Vec<(
+            LanguageModelRequest,
+            mpsc::UnboundedSender<
+                Result<LanguageModelCompletionEvent, LanguageModelCompletionError>,
+            >,
+        )>,
+    >,
+    forbid_requests: AtomicBool,
 }
 
 impl Default for FakeLanguageModel {
@@ -101,11 +119,20 @@ impl Default for FakeLanguageModel {
             provider_id: LanguageModelProviderId::from("fake".to_string()),
             provider_name: LanguageModelProviderName::from("Fake".to_string()),
             current_completion_txs: Mutex::new(Vec::new()),
+            forbid_requests: AtomicBool::new(false),
         }
     }
 }
 
 impl FakeLanguageModel {
+    pub fn allow_requests(&self) {
+        self.forbid_requests.store(false, SeqCst);
+    }
+
+    pub fn forbid_requests(&self) {
+        self.forbid_requests.store(true, SeqCst);
+    }
+
     pub fn pending_completions(&self) -> Vec<LanguageModelRequest> {
         self.current_completion_txs
             .lock()
@@ -118,10 +145,21 @@ impl FakeLanguageModel {
         self.current_completion_txs.lock().len()
     }
 
-    pub fn stream_completion_response(
+    pub fn send_completion_stream_text_chunk(
         &self,
         request: &LanguageModelRequest,
         chunk: impl Into<String>,
+    ) {
+        self.send_completion_stream_event(
+            request,
+            LanguageModelCompletionEvent::Text(chunk.into()),
+        );
+    }
+
+    pub fn send_completion_stream_event(
+        &self,
+        request: &LanguageModelRequest,
+        event: impl Into<LanguageModelCompletionEvent>,
     ) {
         let current_completion_txs = self.current_completion_txs.lock();
         let tx = current_completion_txs
@@ -129,7 +167,21 @@ impl FakeLanguageModel {
             .find(|(req, _)| req == request)
             .map(|(_, tx)| tx)
             .unwrap();
-        tx.unbounded_send(chunk.into()).unwrap();
+        tx.unbounded_send(Ok(event.into())).unwrap();
+    }
+
+    pub fn send_completion_stream_error(
+        &self,
+        request: &LanguageModelRequest,
+        error: impl Into<LanguageModelCompletionError>,
+    ) {
+        let current_completion_txs = self.current_completion_txs.lock();
+        let tx = current_completion_txs
+            .iter()
+            .find(|(req, _)| req == request)
+            .map(|(_, tx)| tx)
+            .unwrap();
+        tx.unbounded_send(Err(error.into())).unwrap();
     }
 
     pub fn end_completion_stream(&self, request: &LanguageModelRequest) {
@@ -138,8 +190,22 @@ impl FakeLanguageModel {
             .retain(|(req, _)| req != request);
     }
 
-    pub fn stream_last_completion_response(&self, chunk: impl Into<String>) {
-        self.stream_completion_response(self.pending_completions().last().unwrap(), chunk);
+    pub fn send_last_completion_stream_text_chunk(&self, chunk: impl Into<String>) {
+        self.send_completion_stream_text_chunk(self.pending_completions().last().unwrap(), chunk);
+    }
+
+    pub fn send_last_completion_stream_event(
+        &self,
+        event: impl Into<LanguageModelCompletionEvent>,
+    ) {
+        self.send_completion_stream_event(self.pending_completions().last().unwrap(), event);
+    }
+
+    pub fn send_last_completion_stream_error(
+        &self,
+        error: impl Into<LanguageModelCompletionError>,
+    ) {
+        self.send_completion_stream_error(self.pending_completions().last().unwrap(), error);
     }
 
     pub fn end_last_completion_stream(&self) {
@@ -199,14 +265,18 @@ impl LanguageModel for FakeLanguageModel {
             LanguageModelCompletionError,
         >,
     > {
-        let (tx, rx) = mpsc::unbounded();
-        self.current_completion_txs.lock().push((request, tx));
-        async move {
-            Ok(rx
-                .map(|text| Ok(LanguageModelCompletionEvent::Text(text)))
-                .boxed())
+        if self.forbid_requests.load(SeqCst) {
+            async move {
+                Err(LanguageModelCompletionError::Other(anyhow!(
+                    "requests are forbidden"
+                )))
+            }
+            .boxed()
+        } else {
+            let (tx, rx) = mpsc::unbounded();
+            self.current_completion_txs.lock().push((request, tx));
+            async move { Ok(rx.boxed()) }.boxed()
         }
-        .boxed()
     }
 
     fn as_fake(&self) -> &Self {
diff --git a/crates/language_model/src/language_model.rs b/crates/language_model/src/language_model.rs
index 1637d2de8a..d5313b6a3a 100644
--- a/crates/language_model/src/language_model.rs
+++ b/crates/language_model/src/language_model.rs
@@ -14,7 +14,7 @@ use client::Client;
 use cloud_llm_client::{CompletionMode, CompletionRequestStatus};
 use futures::FutureExt;
 use futures::{StreamExt, future::BoxFuture, stream::BoxStream};
-use gpui::{AnyElement, AnyView, App, AsyncApp, SharedString, Task, Window};
+use gpui::{AnyView, App, AsyncApp, SharedString, Task, Window};
 use http_client::{StatusCode, http};
 use icons::IconName;
 use parking_lot::Mutex;
@@ -54,7 +54,7 @@ pub const ZED_CLOUD_PROVIDER_NAME: LanguageModelProviderName =
 
 pub fn init(client: Arc<Client>, cx: &mut App) {
     init_settings(cx);
-    RefreshLlmTokenListener::register(client.clone(), cx);
+    RefreshLlmTokenListener::register(client, cx);
 }
 
 pub fn init_settings(cx: &mut App) {
@@ -300,7 +300,7 @@ impl From<AnthropicError> for LanguageModelCompletionError {
             },
             AnthropicError::ServerOverloaded { retry_after } => Self::ServerOverloaded {
                 provider,
-                retry_after: retry_after,
+                retry_after,
             },
             AnthropicError::ApiError(api_error) => api_error.into(),
         }
@@ -538,7 +538,7 @@ pub trait LanguageModel: Send + Sync {
             if let Some(first_event) = events.next().await {
                 match first_event {
                     Ok(LanguageModelCompletionEvent::StartMessage { message_id: id }) => {
-                        message_id = Some(id.clone());
+                        message_id = Some(id);
                     }
                     Ok(LanguageModelCompletionEvent::Text(text)) => {
                         first_item_text = Some(text);
@@ -634,20 +634,22 @@ pub trait LanguageModelProvider: 'static {
     }
     fn is_authenticated(&self, cx: &App) -> bool;
     fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>>;
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView;
-    fn must_accept_terms(&self, _cx: &App) -> bool {
-        false
-    }
-    fn render_accept_terms(
+    fn configuration_view(
         &self,
-        _view: LanguageModelProviderTosView,
-        _cx: &mut App,
-    ) -> Option<AnyElement> {
-        None
-    }
+        target_agent: ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView;
     fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>>;
 }
 
+#[derive(Default, Clone)]
+pub enum ConfigurationViewTargetAgent {
+    #[default]
+    ZedAgent,
+    Other(SharedString),
+}
+
 #[derive(PartialEq, Eq)]
 pub enum LanguageModelProviderTosView {
     /// When there are some past interactions in the Agent Panel.
diff --git a/crates/language_model/src/model/cloud_model.rs b/crates/language_model/src/model/cloud_model.rs
index 72b7132c60..8a7f3456fb 100644
--- a/crates/language_model/src/model/cloud_model.rs
+++ b/crates/language_model/src/model/cloud_model.rs
@@ -3,10 +3,9 @@ use std::sync::Arc;
 
 use anyhow::Result;
 use client::Client;
-use gpui::{
-    App, AppContext as _, AsyncApp, Context, Entity, EventEmitter, Global, ReadGlobal as _,
-};
-use proto::{Plan, TypedEnvelope};
+use cloud_api_types::websocket_protocol::MessageToClient;
+use cloud_llm_client::Plan;
+use gpui::{App, AppContext as _, Context, Entity, EventEmitter, Global, ReadGlobal as _};
 use smol::lock::{RwLock, RwLockUpgradableReadGuard, RwLockWriteGuard};
 use thiserror::Error;
 
@@ -30,7 +29,7 @@ pub struct ModelRequestLimitReachedError {
 impl fmt::Display for ModelRequestLimitReachedError {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         let message = match self.plan {
-            Plan::Free => "Model request limit reached. Upgrade to Zed Pro for more requests.",
+            Plan::ZedFree => "Model request limit reached. Upgrade to Zed Pro for more requests.",
             Plan::ZedPro => {
                 "Model request limit reached. Upgrade to usage-based billing for more requests."
             }
@@ -43,6 +42,18 @@ impl fmt::Display for ModelRequestLimitReachedError {
     }
 }
 
+#[derive(Error, Debug)]
+pub struct ToolUseLimitReachedError;
+
+impl fmt::Display for ToolUseLimitReachedError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(
+            f,
+            "Consecutive tool use limit reached. Enable Burn Mode for unlimited tool use."
+        )
+    }
+}
+
 #[derive(Clone, Default)]
 pub struct LlmApiToken(Arc<RwLock<Option<String>>>);
 
@@ -64,9 +75,14 @@ impl LlmApiToken {
         mut lock: RwLockWriteGuard<'_, Option<String>>,
         client: &Arc<Client>,
     ) -> Result<String> {
-        let response = client.request(proto::GetLlmToken {}).await?;
-        *lock = Some(response.token.clone());
-        Ok(response.token.clone())
+        let system_id = client
+            .telemetry()
+            .system_id()
+            .map(|system_id| system_id.to_string());
+
+        let response = client.cloud_client().create_llm_token(system_id).await?;
+        *lock = Some(response.token.0.clone());
+        Ok(response.token.0)
     }
 }
 
@@ -76,9 +92,7 @@ impl Global for GlobalRefreshLlmTokenListener {}
 
 pub struct RefreshLlmTokenEvent;
 
-pub struct RefreshLlmTokenListener {
-    _llm_token_subscription: client::Subscription,
-}
+pub struct RefreshLlmTokenListener;
 
 impl EventEmitter<RefreshLlmTokenEvent> for RefreshLlmTokenListener {}
 
@@ -93,17 +107,21 @@ impl RefreshLlmTokenListener {
     }
 
     fn new(client: Arc<Client>, cx: &mut Context<Self>) -> Self {
-        Self {
-            _llm_token_subscription: client
-                .add_message_handler(cx.weak_entity(), Self::handle_refresh_llm_token),
-        }
+        client.add_message_to_client_handler({
+            let this = cx.entity();
+            move |message, cx| {
+                Self::handle_refresh_llm_token(this.clone(), message, cx);
+            }
+        });
+
+        Self
     }
 
-    async fn handle_refresh_llm_token(
-        this: Entity<Self>,
-        _: TypedEnvelope<proto::RefreshLlmToken>,
-        mut cx: AsyncApp,
-    ) -> Result<()> {
-        this.update(&mut cx, |_this, cx| cx.emit(RefreshLlmTokenEvent))
+    fn handle_refresh_llm_token(this: Entity<Self>, message: &MessageToClient, cx: &mut App) {
+        match message {
+            MessageToClient::UserUpdated => {
+                this.update(cx, |_this, cx| cx.emit(RefreshLlmTokenEvent));
+            }
+        }
     }
 }
diff --git a/crates/language_model/src/registry.rs b/crates/language_model/src/registry.rs
index 7cf071808a..c7693a64c7 100644
--- a/crates/language_model/src/registry.rs
+++ b/crates/language_model/src/registry.rs
@@ -6,7 +6,6 @@ use collections::BTreeMap;
 use gpui::{App, Context, Entity, EventEmitter, Global, prelude::*};
 use std::{str::FromStr, sync::Arc};
 use thiserror::Error;
-use util::maybe;
 
 pub fn init(cx: &mut App) {
     let registry = cx.new(|_cx| LanguageModelRegistry::default());
@@ -21,13 +20,10 @@ impl Global for GlobalLanguageModelRegistry {}
 pub enum ConfigurationError {
     #[error("Configure at least one LLM provider to start using the panel.")]
     NoProvider,
-    #[error("LLM Provider is not configured or does not support the configured model.")]
+    #[error("LLM provider is not configured or does not support the configured model.")]
     ModelNotFound,
     #[error("{} LLM provider is not configured.", .0.name().0)]
     ProviderNotAuthenticated(Arc<dyn LanguageModelProvider>),
-    #[error("Using the {} LLM provider requires accepting the Terms of Service.",
-    .0.name().0)]
-    ProviderPendingTermsAcceptance(Arc<dyn LanguageModelProvider>),
 }
 
 impl std::fmt::Debug for ConfigurationError {
@@ -38,9 +34,6 @@ impl std::fmt::Debug for ConfigurationError {
             Self::ProviderNotAuthenticated(provider) => {
                 write!(f, "ProviderNotAuthenticated({})", provider.id())
             }
-            Self::ProviderPendingTermsAcceptance(provider) => {
-                write!(f, "ProviderPendingTermsAcceptance({})", provider.id())
-            }
         }
     }
 }
@@ -48,7 +41,9 @@ impl std::fmt::Debug for ConfigurationError {
 #[derive(Default)]
 pub struct LanguageModelRegistry {
     default_model: Option<ConfiguredModel>,
-    default_fast_model: Option<ConfiguredModel>,
+    /// This model is automatically configured by a user's environment after
+    /// authenticating all providers. It's only used when default_model is not available.
+    environment_fallback_model: Option<ConfiguredModel>,
     inline_assistant_model: Option<ConfiguredModel>,
     commit_message_model: Option<ConfiguredModel>,
     thread_summary_model: Option<ConfiguredModel>,
@@ -104,10 +99,7 @@ impl ConfiguredModel {
 
 pub enum Event {
     DefaultModelChanged,
-    InlineAssistantModelChanged,
-    CommitMessageModelChanged,
-    ThreadSummaryModelChanged,
-    ProviderStateChanged,
+    ProviderStateChanged(LanguageModelProviderId),
     AddedProvider(LanguageModelProviderId),
     RemovedProvider(LanguageModelProviderId),
 }
@@ -148,8 +140,11 @@ impl LanguageModelRegistry {
     ) {
         let id = provider.id();
 
-        let subscription = provider.subscribe(cx, |_, cx| {
-            cx.emit(Event::ProviderStateChanged);
+        let subscription = provider.subscribe(cx, {
+            let id = id.clone();
+            move |_, cx| {
+                cx.emit(Event::ProviderStateChanged(id.clone()));
+            }
         });
         if let Some(subscription) = subscription {
             subscription.detach();
@@ -197,12 +192,6 @@ impl LanguageModelRegistry {
             return Some(ConfigurationError::ProviderNotAuthenticated(model.provider));
         }
 
-        if model.provider.must_accept_terms(cx) {
-            return Some(ConfigurationError::ProviderPendingTermsAcceptance(
-                model.provider,
-            ));
-        }
-
         None
     }
 
@@ -235,7 +224,7 @@ impl LanguageModelRegistry {
         cx: &mut Context<Self>,
     ) {
         let configured_model = model.and_then(|model| self.select_model(model, cx));
-        self.set_inline_assistant_model(configured_model, cx);
+        self.set_inline_assistant_model(configured_model);
     }
 
     pub fn select_commit_message_model(
@@ -244,7 +233,7 @@ impl LanguageModelRegistry {
         cx: &mut Context<Self>,
     ) {
         let configured_model = model.and_then(|model| self.select_model(model, cx));
-        self.set_commit_message_model(configured_model, cx);
+        self.set_commit_message_model(configured_model);
     }
 
     pub fn select_thread_summary_model(
@@ -253,7 +242,7 @@ impl LanguageModelRegistry {
         cx: &mut Context<Self>,
     ) {
         let configured_model = model.and_then(|model| self.select_model(model, cx));
-        self.set_thread_summary_model(configured_model, cx);
+        self.set_thread_summary_model(configured_model);
     }
 
     /// Selects and sets the inline alternatives for language models based on
@@ -287,68 +276,60 @@ impl LanguageModelRegistry {
     }
 
     pub fn set_default_model(&mut self, model: Option<ConfiguredModel>, cx: &mut Context<Self>) {
-        match (self.default_model.as_ref(), model.as_ref()) {
+        match (self.default_model(), model.as_ref()) {
             (Some(old), Some(new)) if old.is_same_as(new) => {}
             (None, None) => {}
             _ => cx.emit(Event::DefaultModelChanged),
         }
-        self.default_fast_model = maybe!({
-            let provider = &model.as_ref()?.provider;
-            let fast_model = provider.default_fast_model(cx)?;
-            Some(ConfiguredModel {
-                provider: provider.clone(),
-                model: fast_model,
-            })
-        });
         self.default_model = model;
     }
 
-    pub fn set_inline_assistant_model(
+    pub fn set_environment_fallback_model(
         &mut self,
         model: Option<ConfiguredModel>,
         cx: &mut Context<Self>,
     ) {
-        match (self.inline_assistant_model.as_ref(), model.as_ref()) {
-            (Some(old), Some(new)) if old.is_same_as(new) => {}
-            (None, None) => {}
-            _ => cx.emit(Event::InlineAssistantModelChanged),
+        if self.default_model.is_none() {
+            match (self.environment_fallback_model.as_ref(), model.as_ref()) {
+                (Some(old), Some(new)) if old.is_same_as(new) => {}
+                (None, None) => {}
+                _ => cx.emit(Event::DefaultModelChanged),
+            }
         }
+        self.environment_fallback_model = model;
+    }
+
+    pub fn set_inline_assistant_model(&mut self, model: Option<ConfiguredModel>) {
         self.inline_assistant_model = model;
     }
 
-    pub fn set_commit_message_model(
-        &mut self,
-        model: Option<ConfiguredModel>,
-        cx: &mut Context<Self>,
-    ) {
-        match (self.commit_message_model.as_ref(), model.as_ref()) {
-            (Some(old), Some(new)) if old.is_same_as(new) => {}
-            (None, None) => {}
-            _ => cx.emit(Event::CommitMessageModelChanged),
-        }
+    pub fn set_commit_message_model(&mut self, model: Option<ConfiguredModel>) {
         self.commit_message_model = model;
     }
 
-    pub fn set_thread_summary_model(
-        &mut self,
-        model: Option<ConfiguredModel>,
-        cx: &mut Context<Self>,
-    ) {
-        match (self.thread_summary_model.as_ref(), model.as_ref()) {
-            (Some(old), Some(new)) if old.is_same_as(new) => {}
-            (None, None) => {}
-            _ => cx.emit(Event::ThreadSummaryModelChanged),
-        }
+    pub fn set_thread_summary_model(&mut self, model: Option<ConfiguredModel>) {
         self.thread_summary_model = model;
     }
 
+    #[track_caller]
     pub fn default_model(&self) -> Option<ConfiguredModel> {
         #[cfg(debug_assertions)]
         if std::env::var("ZED_SIMULATE_NO_LLM_PROVIDER").is_ok() {
             return None;
         }
 
-        self.default_model.clone()
+        self.default_model
+            .clone()
+            .or_else(|| self.environment_fallback_model.clone())
+    }
+
+    pub fn default_fast_model(&self, cx: &App) -> Option<ConfiguredModel> {
+        let provider = self.default_model()?.provider;
+        let fast_model = provider.default_fast_model(cx)?;
+        Some(ConfiguredModel {
+            provider,
+            model: fast_model,
+        })
     }
 
     pub fn inline_assistant_model(&self) -> Option<ConfiguredModel> {
@@ -362,7 +343,7 @@ impl LanguageModelRegistry {
             .or_else(|| self.default_model.clone())
     }
 
-    pub fn commit_message_model(&self) -> Option<ConfiguredModel> {
+    pub fn commit_message_model(&self, cx: &App) -> Option<ConfiguredModel> {
         #[cfg(debug_assertions)]
         if std::env::var("ZED_SIMULATE_NO_LLM_PROVIDER").is_ok() {
             return None;
@@ -370,11 +351,11 @@ impl LanguageModelRegistry {
 
         self.commit_message_model
             .clone()
-            .or_else(|| self.default_fast_model.clone())
+            .or_else(|| self.default_fast_model(cx))
             .or_else(|| self.default_model.clone())
     }
 
-    pub fn thread_summary_model(&self) -> Option<ConfiguredModel> {
+    pub fn thread_summary_model(&self, cx: &App) -> Option<ConfiguredModel> {
         #[cfg(debug_assertions)]
         if std::env::var("ZED_SIMULATE_NO_LLM_PROVIDER").is_ok() {
             return None;
@@ -382,7 +363,7 @@ impl LanguageModelRegistry {
 
         self.thread_summary_model
             .clone()
-            .or_else(|| self.default_fast_model.clone())
+            .or_else(|| self.default_fast_model(cx))
             .or_else(|| self.default_model.clone())
     }
 
@@ -419,4 +400,34 @@ mod tests {
         let providers = registry.read(cx).providers();
         assert!(providers.is_empty());
     }
+
+    #[gpui::test]
+    async fn test_configure_environment_fallback_model(cx: &mut gpui::TestAppContext) {
+        let registry = cx.new(|_| LanguageModelRegistry::default());
+
+        let provider = FakeLanguageModelProvider::default();
+        registry.update(cx, |registry, cx| {
+            registry.register_provider(provider.clone(), cx);
+        });
+
+        cx.update(|cx| provider.authenticate(cx)).await.unwrap();
+
+        registry.update(cx, |registry, cx| {
+            let provider = registry.provider(&provider.id()).unwrap();
+
+            registry.set_environment_fallback_model(
+                Some(ConfiguredModel {
+                    provider: provider.clone(),
+                    model: provider.default_model(cx).unwrap(),
+                }),
+                cx,
+            );
+
+            let default_model = registry.default_model().unwrap();
+            let fallback_model = registry.environment_fallback_model.clone().unwrap();
+
+            assert_eq!(default_model.model.id(), fallback_model.model.id());
+            assert_eq!(default_model.provider.id(), fallback_model.provider.id());
+        });
+    }
 }
diff --git a/crates/language_model/src/request.rs b/crates/language_model/src/request.rs
index dc485e9937..1182e0f7a8 100644
--- a/crates/language_model/src/request.rs
+++ b/crates/language_model/src/request.rs
@@ -220,42 +220,39 @@ impl<'de> Deserialize<'de> for LanguageModelToolResultContent {
 
             // Accept wrapped text format: { "type": "text", "text": "..." }
             if let (Some(type_value), Some(text_value)) =
-                (get_field(&obj, "type"), get_field(&obj, "text"))
+                (get_field(obj, "type"), get_field(obj, "text"))
+                && let Some(type_str) = type_value.as_str()
+                && type_str.to_lowercase() == "text"
+                && let Some(text) = text_value.as_str()
             {
-                if let Some(type_str) = type_value.as_str() {
-                    if type_str.to_lowercase() == "text" {
-                        if let Some(text) = text_value.as_str() {
-                            return Ok(Self::Text(Arc::from(text)));
-                        }
-                    }
-                }
+                return Ok(Self::Text(Arc::from(text)));
             }
 
             // Check for wrapped Text variant: { "text": "..." }
-            if let Some((_key, value)) = obj.iter().find(|(k, _)| k.to_lowercase() == "text") {
-                if obj.len() == 1 {
-                    // Only one field, and it's "text" (case-insensitive)
-                    if let Some(text) = value.as_str() {
-                        return Ok(Self::Text(Arc::from(text)));
-                    }
+            if let Some((_key, value)) = obj.iter().find(|(k, _)| k.to_lowercase() == "text")
+                && obj.len() == 1
+            {
+                // Only one field, and it's "text" (case-insensitive)
+                if let Some(text) = value.as_str() {
+                    return Ok(Self::Text(Arc::from(text)));
                 }
             }
 
             // Check for wrapped Image variant: { "image": { "source": "...", "size": ... } }
-            if let Some((_key, value)) = obj.iter().find(|(k, _)| k.to_lowercase() == "image") {
-                if obj.len() == 1 {
-                    // Only one field, and it's "image" (case-insensitive)
-                    // Try to parse the nested image object
-                    if let Some(image_obj) = value.as_object() {
-                        if let Some(image) = LanguageModelImage::from_json(image_obj) {
-                            return Ok(Self::Image(image));
-                        }
-                    }
+            if let Some((_key, value)) = obj.iter().find(|(k, _)| k.to_lowercase() == "image")
+                && obj.len() == 1
+            {
+                // Only one field, and it's "image" (case-insensitive)
+                // Try to parse the nested image object
+                if let Some(image_obj) = value.as_object()
+                    && let Some(image) = LanguageModelImage::from_json(image_obj)
+                {
+                    return Ok(Self::Image(image));
                 }
             }
 
             // Try as direct Image (object with "source" and "size" fields)
-            if let Some(image) = LanguageModelImage::from_json(&obj) {
+            if let Some(image) = LanguageModelImage::from_json(obj) {
                 return Ok(Self::Image(image));
             }
         }
@@ -272,7 +269,7 @@ impl<'de> Deserialize<'de> for LanguageModelToolResultContent {
 impl LanguageModelToolResultContent {
     pub fn to_str(&self) -> Option<&str> {
         match self {
-            Self::Text(text) => Some(&text),
+            Self::Text(text) => Some(text),
             Self::Image(_) => None,
         }
     }
@@ -297,6 +294,12 @@ impl From<String> for LanguageModelToolResultContent {
     }
 }
 
+impl From<LanguageModelImage> for LanguageModelToolResultContent {
+    fn from(image: LanguageModelImage) -> Self {
+        Self::Image(image)
+    }
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, Hash)]
 pub enum MessageContent {
     Text(String),
diff --git a/crates/language_model/src/role.rs b/crates/language_model/src/role.rs
index 953dfa6fdf..4b47ef36dd 100644
--- a/crates/language_model/src/role.rs
+++ b/crates/language_model/src/role.rs
@@ -19,7 +19,7 @@ impl Role {
         }
     }
 
-    pub fn to_proto(&self) -> proto::LanguageModelRole {
+    pub fn to_proto(self) -> proto::LanguageModelRole {
         match self {
             Role::User => proto::LanguageModelRole::LanguageModelUser,
             Role::Assistant => proto::LanguageModelRole::LanguageModelAssistant,
diff --git a/crates/language_models/Cargo.toml b/crates/language_models/Cargo.toml
index 208b0d99c9..cd41478668 100644
--- a/crates/language_models/Cargo.toml
+++ b/crates/language_models/Cargo.toml
@@ -44,7 +44,7 @@ ollama = { workspace = true, features = ["schemars"] }
 open_ai = { workspace = true, features = ["schemars"] }
 open_router = { workspace = true, features = ["schemars"] }
 partial-json-fixer.workspace = true
-proto.workspace = true
+project.workspace = true
 release_channel.workspace = true
 schemars.workspace = true
 serde.workspace = true
diff --git a/crates/language_models/src/language_models.rs b/crates/language_models/src/language_models.rs
index 18e6f47ed0..beed306e74 100644
--- a/crates/language_models/src/language_models.rs
+++ b/crates/language_models/src/language_models.rs
@@ -3,8 +3,12 @@ use std::sync::Arc;
 use ::settings::{Settings, SettingsStore};
 use client::{Client, UserStore};
 use collections::HashSet;
-use gpui::{App, Context, Entity};
-use language_model::{LanguageModelProviderId, LanguageModelRegistry};
+use futures::future;
+use gpui::{App, AppContext as _, Context, Entity};
+use language_model::{
+    AuthenticateError, ConfiguredModel, LanguageModelProviderId, LanguageModelRegistry,
+};
+use project::DisableAiSettings;
 use provider::deepseek::DeepSeekLanguageModelProvider;
 
 pub mod provider;
@@ -13,7 +17,7 @@ pub mod ui;
 
 use crate::provider::anthropic::AnthropicLanguageModelProvider;
 use crate::provider::bedrock::BedrockLanguageModelProvider;
-use crate::provider::cloud::CloudLanguageModelProvider;
+use crate::provider::cloud::{self, CloudLanguageModelProvider};
 use crate::provider::copilot_chat::CopilotChatLanguageModelProvider;
 use crate::provider::google::GoogleLanguageModelProvider;
 use crate::provider::lmstudio::LmStudioLanguageModelProvider;
@@ -48,6 +52,13 @@ pub fn init(user_store: Entity<UserStore>, client: Arc<Client>, cx: &mut App) {
             cx,
         );
     });
+
+    let mut already_authenticated = false;
+    if !DisableAiSettings::get_global(cx).disable_ai {
+        authenticate_all_providers(registry.clone(), cx);
+        already_authenticated = true;
+    }
+
     cx.observe_global::<SettingsStore>(move |cx| {
         let openai_compatible_providers_new = AllLanguageModelSettings::get_global(cx)
             .openai_compatible
@@ -65,6 +76,12 @@ pub fn init(user_store: Entity<UserStore>, client: Arc<Client>, cx: &mut App) {
                 );
             });
             openai_compatible_providers = openai_compatible_providers_new;
+            already_authenticated = false;
+        }
+
+        if !DisableAiSettings::get_global(cx).disable_ai && !already_authenticated {
+            authenticate_all_providers(registry.clone(), cx);
+            already_authenticated = true;
         }
     })
     .detach();
@@ -104,7 +121,7 @@ fn register_language_model_providers(
     cx: &mut Context<LanguageModelRegistry>,
 ) {
     registry.register_provider(
-        CloudLanguageModelProvider::new(user_store.clone(), client.clone(), cx),
+        CloudLanguageModelProvider::new(user_store, client.clone(), cx),
         cx,
     );
 
@@ -151,3 +168,83 @@ fn register_language_model_providers(
     registry.register_provider(XAiLanguageModelProvider::new(client.http_client(), cx), cx);
     registry.register_provider(CopilotChatLanguageModelProvider::new(cx), cx);
 }
+
+/// Authenticates all providers in the [`LanguageModelRegistry`].
+///
+/// We do this so that we can populate the language selector with all of the
+/// models from the configured providers.
+///
+/// This function won't do anything if AI is disabled.
+fn authenticate_all_providers(registry: Entity<LanguageModelRegistry>, cx: &mut App) {
+    let providers_to_authenticate = registry
+        .read(cx)
+        .providers()
+        .iter()
+        .map(|provider| (provider.id(), provider.name(), provider.authenticate(cx)))
+        .collect::<Vec<_>>();
+
+    let mut tasks = Vec::with_capacity(providers_to_authenticate.len());
+
+    for (provider_id, provider_name, authenticate_task) in providers_to_authenticate {
+        tasks.push(cx.background_spawn(async move {
+            if let Err(err) = authenticate_task.await {
+                if matches!(err, AuthenticateError::CredentialsNotFound) {
+                    // Since we're authenticating these providers in the
+                    // background for the purposes of populating the
+                    // language selector, we don't care about providers
+                    // where the credentials are not found.
+                } else {
+                    // Some providers have noisy failure states that we
+                    // don't want to spam the logs with every time the
+                    // language model selector is initialized.
+                    //
+                    // Ideally these should have more clear failure modes
+                    // that we know are safe to ignore here, like what we do
+                    // with `CredentialsNotFound` above.
+                    match provider_id.0.as_ref() {
+                        "lmstudio" | "ollama" => {
+                            // LM Studio and Ollama both make fetch requests to the local APIs to determine if they are "authenticated".
+                            //
+                            // These fail noisily, so we don't log them.
+                        }
+                        "copilot_chat" => {
+                            // Copilot Chat returns an error if Copilot is not enabled, so we don't log those errors.
+                        }
+                        _ => {
+                            log::error!(
+                                "Failed to authenticate provider: {}: {err}",
+                                provider_name.0
+                            );
+                        }
+                    }
+                }
+            }
+        }));
+    }
+
+    let all_authenticated_future = future::join_all(tasks);
+
+    cx.spawn(async move |cx| {
+        all_authenticated_future.await;
+
+        registry
+            .update(cx, |registry, cx| {
+                let cloud_provider = registry.provider(&cloud::PROVIDER_ID);
+                let fallback_model = cloud_provider
+                    .iter()
+                    .chain(registry.providers().iter())
+                    .find(|provider| provider.is_authenticated(cx))
+                    .and_then(|provider| {
+                        Some(ConfiguredModel {
+                            provider: provider.clone(),
+                            model: provider
+                                .default_model(cx)
+                                .or_else(|| provider.recommended_models(cx).first().cloned())?,
+                        })
+                    });
+                registry.set_environment_fallback_model(fallback_model, cx);
+            })
+            .ok();
+    })
+    .detach();
+}
diff --git a/crates/language_models/src/provider/anthropic.rs b/crates/language_models/src/provider/anthropic.rs
index 959cbccf39..c492edeaf5 100644
--- a/crates/language_models/src/provider/anthropic.rs
+++ b/crates/language_models/src/provider/anthropic.rs
@@ -15,11 +15,11 @@ use gpui::{
 };
 use http_client::HttpClient;
 use language_model::{
-    AuthenticateError, LanguageModel, LanguageModelCacheConfiguration,
-    LanguageModelCompletionError, LanguageModelId, LanguageModelName, LanguageModelProvider,
-    LanguageModelProviderId, LanguageModelProviderName, LanguageModelProviderState,
-    LanguageModelRequest, LanguageModelToolChoice, LanguageModelToolResultContent, MessageContent,
-    RateLimiter, Role,
+    AuthenticateError, ConfigurationViewTargetAgent, LanguageModel,
+    LanguageModelCacheConfiguration, LanguageModelCompletionError, LanguageModelId,
+    LanguageModelName, LanguageModelProvider, LanguageModelProviderId, LanguageModelProviderName,
+    LanguageModelProviderState, LanguageModelRequest, LanguageModelToolChoice,
+    LanguageModelToolResultContent, MessageContent, RateLimiter, Role,
 };
 use language_model::{LanguageModelCompletionEvent, LanguageModelToolUse, StopReason};
 use schemars::JsonSchema;
@@ -114,7 +114,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .delete_credentials(&api_url, &cx)
+                .delete_credentials(&api_url, cx)
                 .await
                 .ok();
             this.update(cx, |this, cx| {
@@ -133,7 +133,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
+                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), cx)
                 .await
                 .ok();
 
@@ -153,29 +153,14 @@ impl State {
             return Task::ready(Ok(()));
         }
 
-        let credentials_provider = <dyn CredentialsProvider>::global(cx);
-        let api_url = AllLanguageModelSettings::get_global(cx)
-            .anthropic
-            .api_url
-            .clone();
+        let key = AnthropicLanguageModelProvider::api_key(cx);
 
         cx.spawn(async move |this, cx| {
-            let (api_key, from_env) = if let Ok(api_key) = std::env::var(ANTHROPIC_API_KEY_VAR) {
-                (api_key, true)
-            } else {
-                let (_, api_key) = credentials_provider
-                    .read_credentials(&api_url, &cx)
-                    .await?
-                    .ok_or(AuthenticateError::CredentialsNotFound)?;
-                (
-                    String::from_utf8(api_key).context("invalid {PROVIDER_NAME} API key")?,
-                    false,
-                )
-            };
+            let key = key.await?;
 
             this.update(cx, |this, cx| {
-                this.api_key = Some(api_key);
-                this.api_key_from_env = from_env;
+                this.api_key = Some(key.key);
+                this.api_key_from_env = key.from_env;
                 cx.notify();
             })?;
 
@@ -184,6 +169,11 @@ impl State {
     }
 }
 
+pub struct ApiKey {
+    pub key: String,
+    pub from_env: bool,
+}
+
 impl AnthropicLanguageModelProvider {
     pub fn new(http_client: Arc<dyn HttpClient>, cx: &mut App) -> Self {
         let state = cx.new(|cx| State {
@@ -206,6 +196,33 @@ impl AnthropicLanguageModelProvider {
             request_limiter: RateLimiter::new(4),
         })
     }
+
+    pub fn api_key(cx: &mut App) -> Task<Result<ApiKey>> {
+        let credentials_provider = <dyn CredentialsProvider>::global(cx);
+        let api_url = AllLanguageModelSettings::get_global(cx)
+            .anthropic
+            .api_url
+            .clone();
+
+        if let Ok(key) = std::env::var(ANTHROPIC_API_KEY_VAR) {
+            Task::ready(Ok(ApiKey {
+                key,
+                from_env: true,
+            }))
+        } else {
+            cx.spawn(async move |cx| {
+                let (_, api_key) = credentials_provider
+                    .read_credentials(&api_url, cx)
+                    .await?
+                    .ok_or(AuthenticateError::CredentialsNotFound)?;
+
+                Ok(ApiKey {
+                    key: String::from_utf8(api_key).context("invalid {PROVIDER_NAME} API key")?,
+                    from_env: false,
+                })
+            })
+        }
+    }
 }
 
 impl LanguageModelProviderState for AnthropicLanguageModelProvider {
@@ -299,8 +316,13 @@ impl LanguageModelProvider for AnthropicLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
-        cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
+    fn configuration_view(
+        &self,
+        target_agent: ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
+        cx.new(|cx| ConfigurationView::new(self.state.clone(), target_agent, window, cx))
             .into()
     }
 
@@ -532,7 +554,7 @@ pub fn into_anthropic(
                     .into_iter()
                     .filter_map(|content| match content {
                         MessageContent::Text(text) => {
-                            let text = if text.chars().last().map_or(false, |c| c.is_whitespace()) {
+                            let text = if text.chars().last().is_some_and(|c| c.is_whitespace()) {
                                 text.trim_end().to_string()
                             } else {
                                 text
@@ -611,11 +633,11 @@ pub fn into_anthropic(
                     Role::Assistant => anthropic::Role::Assistant,
                     Role::System => unreachable!("System role should never occur here"),
                 };
-                if let Some(last_message) = new_messages.last_mut() {
-                    if last_message.role == anthropic_role {
-                        last_message.content.extend(anthropic_message_content);
-                        continue;
-                    }
+                if let Some(last_message) = new_messages.last_mut()
+                    && last_message.role == anthropic_role
+                {
+                    last_message.content.extend(anthropic_message_content);
+                    continue;
                 }
 
                 // Mark the last segment of the message as cached
@@ -791,7 +813,7 @@ impl AnthropicEventMapper {
                             ))];
                         }
                     }
-                    return vec![];
+                    vec![]
                 }
             },
             Event::ContentBlockStop { index } => {
@@ -902,12 +924,18 @@ struct ConfigurationView {
     api_key_editor: Entity<Editor>,
     state: gpui::Entity<State>,
     load_credentials_task: Option<Task<()>>,
+    target_agent: ConfigurationViewTargetAgent,
 }
 
 impl ConfigurationView {
     const PLACEHOLDER_TEXT: &'static str = "sk-ant-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
 
-    fn new(state: gpui::Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
+    fn new(
+        state: gpui::Entity<State>,
+        target_agent: ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Self {
         cx.observe(&state, |_, _, cx| {
             cx.notify();
         })
@@ -939,6 +967,7 @@ impl ConfigurationView {
             }),
             state,
             load_credentials_task,
+            target_agent,
         }
     }
 
@@ -1012,7 +1041,10 @@ impl Render for ConfigurationView {
             v_flex()
                 .size_full()
                 .on_action(cx.listener(Self::save_api_key))
-                .child(Label::new("To use Zed's assistant with Anthropic, you need to add an API key. Follow these steps:"))
+                .child(Label::new(format!("To use {}, you need to add an API key. Follow these steps:", match &self.target_agent {
+                    ConfigurationViewTargetAgent::ZedAgent => "Zed's agent with Anthropic".into(),
+                    ConfigurationViewTargetAgent::Other(agent) => agent.clone(),
+                })))
                 .child(
                     List::new()
                         .child(
@@ -1023,7 +1055,7 @@ impl Render for ConfigurationView {
                             )
                         )
                         .child(
-                            InstructionListItem::text_only("Paste your API key below and hit enter to start using the assistant")
+                            InstructionListItem::text_only("Paste your API key below and hit enter to start using the agent")
                         )
                 )
                 .child(
diff --git a/crates/language_models/src/provider/bedrock.rs b/crates/language_models/src/provider/bedrock.rs
index a86b3e78f5..178c767950 100644
--- a/crates/language_models/src/provider/bedrock.rs
+++ b/crates/language_models/src/provider/bedrock.rs
@@ -150,7 +150,7 @@ impl State {
         let credentials_provider = <dyn CredentialsProvider>::global(cx);
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .delete_credentials(AMAZON_AWS_URL, &cx)
+                .delete_credentials(AMAZON_AWS_URL, cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -174,7 +174,7 @@ impl State {
                     AMAZON_AWS_URL,
                     "Bearer",
                     &serde_json::to_vec(&credentials)?,
-                    &cx,
+                    cx,
                 )
                 .await?;
             this.update(cx, |this, cx| {
@@ -206,7 +206,7 @@ impl State {
                     (credentials, true)
                 } else {
                     let (_, credentials) = credentials_provider
-                        .read_credentials(AMAZON_AWS_URL, &cx)
+                        .read_credentials(AMAZON_AWS_URL, cx)
                         .await?
                         .ok_or_else(|| AuthenticateError::CredentialsNotFound)?;
                     (
@@ -348,7 +348,12 @@ impl LanguageModelProvider for BedrockLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
             .into()
     }
@@ -407,10 +412,10 @@ impl BedrockModel {
                     .region(Region::new(region))
                     .timeout_config(TimeoutConfig::disabled());
 
-                if let Some(endpoint_url) = endpoint {
-                    if !endpoint_url.is_empty() {
-                        config_builder = config_builder.endpoint_url(endpoint_url);
-                    }
+                if let Some(endpoint_url) = endpoint
+                    && !endpoint_url.is_empty()
+                {
+                    config_builder = config_builder.endpoint_url(endpoint_url);
                 }
 
                 match auth_method {
@@ -460,7 +465,7 @@ impl BedrockModel {
         Result<BoxStream<'static, Result<BedrockStreamingResponse, BedrockError>>>,
     > {
         let Ok(runtime_client) = self
-            .get_or_init_client(&cx)
+            .get_or_init_client(cx)
             .cloned()
             .context("Bedrock client not initialized")
         else {
@@ -723,11 +728,11 @@ pub fn into_bedrock(
                     Role::Assistant => bedrock::BedrockRole::Assistant,
                     Role::System => unreachable!("System role should never occur here"),
                 };
-                if let Some(last_message) = new_messages.last_mut() {
-                    if last_message.role == bedrock_role {
-                        last_message.content.extend(bedrock_message_content);
-                        continue;
-                    }
+                if let Some(last_message) = new_messages.last_mut()
+                    && last_message.role == bedrock_role
+                {
+                    last_message.content.extend(bedrock_message_content);
+                    continue;
                 }
                 new_messages.push(
                     BedrockMessage::builder()
@@ -912,7 +917,7 @@ pub fn map_to_language_model_completion_events(
                             Some(ContentBlockDelta::ReasoningContent(thinking)) => match thinking {
                                 ReasoningContentBlockDelta::Text(thoughts) => {
                                     Some(Ok(LanguageModelCompletionEvent::Thinking {
-                                        text: thoughts.clone(),
+                                        text: thoughts,
                                         signature: None,
                                     }))
                                 }
@@ -963,7 +968,7 @@ pub fn map_to_language_model_completion_events(
                                         id: tool_use.id.into(),
                                         name: tool_use.name.into(),
                                         is_input_complete: true,
-                                        raw_input: tool_use.input_json.clone(),
+                                        raw_input: tool_use.input_json,
                                         input,
                                     },
                                 ))
@@ -1081,21 +1086,18 @@ impl ConfigurationView {
             .access_key_id_editor
             .read(cx)
             .text(cx)
-            .to_string()
             .trim()
             .to_string();
         let secret_access_key = self
             .secret_access_key_editor
             .read(cx)
             .text(cx)
-            .to_string()
             .trim()
             .to_string();
         let session_token = self
             .session_token_editor
             .read(cx)
             .text(cx)
-            .to_string()
             .trim()
             .to_string();
         let session_token = if session_token.is_empty() {
@@ -1103,13 +1105,7 @@ impl ConfigurationView {
         } else {
             Some(session_token)
         };
-        let region = self
-            .region_editor
-            .read(cx)
-            .text(cx)
-            .to_string()
-            .trim()
-            .to_string();
+        let region = self.region_editor.read(cx).text(cx).trim().to_string();
         let region = if region.is_empty() {
             "us-east-1".to_string()
         } else {
@@ -1251,7 +1247,7 @@ impl Render for ConfigurationView {
         v_flex()
             .size_full()
             .on_action(cx.listener(ConfigurationView::save_credentials))
-            .child(Label::new("To use Zed's assistant with Bedrock, you can set a custom authentication strategy through the settings.json, or use static credentials."))
+            .child(Label::new("To use Zed's agent with Bedrock, you can set a custom authentication strategy through the settings.json, or use static credentials."))
             .child(Label::new("But, to access models on AWS, you need to:").mt_1())
             .child(
                 List::new()
diff --git a/crates/language_models/src/provider/cloud.rs b/crates/language_models/src/provider/cloud.rs
index 3de135c5a2..fb6e2fb1e4 100644
--- a/crates/language_models/src/provider/cloud.rs
+++ b/crates/language_models/src/provider/cloud.rs
@@ -6,7 +6,7 @@ use client::{Client, ModelRequestUsage, UserStore, zed_urls};
 use cloud_llm_client::{
     CLIENT_SUPPORTS_STATUS_MESSAGES_HEADER_NAME, CURRENT_PLAN_HEADER_NAME, CompletionBody,
     CompletionEvent, CompletionRequestStatus, CountTokensBody, CountTokensResponse,
-    EXPIRED_LLM_TOKEN_HEADER_NAME, ListModelsResponse, MODEL_REQUESTS_RESOURCE_HEADER_VALUE,
+    EXPIRED_LLM_TOKEN_HEADER_NAME, ListModelsResponse, MODEL_REQUESTS_RESOURCE_HEADER_VALUE, Plan,
     SERVER_SUPPORTS_STATUS_MESSAGES_HEADER_NAME, SUBSCRIPTION_LIMIT_RESOURCE_HEADER_NAME,
     TOOL_USE_LIMIT_REACHED_HEADER_NAME, ZED_VERSION_HEADER_NAME,
 };
@@ -23,11 +23,10 @@ use language_model::{
     AuthenticateError, LanguageModel, LanguageModelCacheConfiguration,
     LanguageModelCompletionError, LanguageModelCompletionEvent, LanguageModelId, LanguageModelName,
     LanguageModelProvider, LanguageModelProviderId, LanguageModelProviderName,
-    LanguageModelProviderState, LanguageModelProviderTosView, LanguageModelRequest,
-    LanguageModelToolChoice, LanguageModelToolSchemaFormat, LlmApiToken,
-    ModelRequestLimitReachedError, PaymentRequiredError, RateLimiter, RefreshLlmTokenListener,
+    LanguageModelProviderState, LanguageModelRequest, LanguageModelToolChoice,
+    LanguageModelToolSchemaFormat, LlmApiToken, ModelRequestLimitReachedError,
+    PaymentRequiredError, RateLimiter, RefreshLlmTokenListener,
 };
-use proto::Plan;
 use release_channel::AppVersion;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize, de::DeserializeOwned};
@@ -45,8 +44,8 @@ use crate::provider::anthropic::{AnthropicEventMapper, count_anthropic_tokens, i
 use crate::provider::google::{GoogleEventMapper, into_google};
 use crate::provider::open_ai::{OpenAiEventMapper, count_open_ai_tokens, into_open_ai};
 
-const PROVIDER_ID: LanguageModelProviderId = language_model::ZED_CLOUD_PROVIDER_ID;
-const PROVIDER_NAME: LanguageModelProviderName = language_model::ZED_CLOUD_PROVIDER_NAME;
+pub const PROVIDER_ID: LanguageModelProviderId = language_model::ZED_CLOUD_PROVIDER_ID;
+pub const PROVIDER_NAME: LanguageModelProviderName = language_model::ZED_CLOUD_PROVIDER_NAME;
 
 #[derive(Default, Clone, Debug, PartialEq)]
 pub struct ZedDotDevSettings {
@@ -119,7 +118,6 @@ pub struct State {
     llm_api_token: LlmApiToken,
     user_store: Entity<UserStore>,
     status: client::Status,
-    accept_terms_of_service_task: Option<Task<Result<()>>>,
     models: Vec<Arc<cloud_llm_client::LanguageModel>>,
     default_model: Option<Arc<cloud_llm_client::LanguageModel>>,
     default_fast_model: Option<Arc<cloud_llm_client::LanguageModel>>,
@@ -137,37 +135,29 @@ impl State {
         cx: &mut Context<Self>,
     ) -> Self {
         let refresh_llm_token_listener = RefreshLlmTokenListener::global(cx);
-
+        let mut current_user = user_store.read(cx).watch_current_user();
         Self {
             client: client.clone(),
             llm_api_token: LlmApiToken::default(),
             user_store,
             status,
-            accept_terms_of_service_task: None,
             models: Vec::new(),
             default_model: None,
             default_fast_model: None,
             recommended_models: Vec::new(),
             _fetch_models_task: cx.spawn(async move |this, cx| {
-                maybe!(async move {
+                maybe!(async {
                     let (client, llm_api_token) = this
                         .read_with(cx, |this, _cx| (client.clone(), this.llm_api_token.clone()))?;
 
-                    loop {
-                        let status = this.read_with(cx, |this, _cx| this.status)?;
-                        if matches!(status, client::Status::Connected { .. }) {
-                            break;
-                        }
-
-                        cx.background_executor()
-                            .timer(Duration::from_millis(100))
-                            .await;
+                    while current_user.borrow().is_none() {
+                        current_user.next().await;
                     }
 
-                    let response = Self::fetch_models(client, llm_api_token).await?;
-                    this.update(cx, |this, cx| {
-                        this.update_models(response, cx);
-                    })
+                    let response =
+                        Self::fetch_models(client.clone(), llm_api_token.clone()).await?;
+                    this.update(cx, |this, cx| this.update_models(response, cx))?;
+                    anyhow::Ok(())
                 })
                 .await
                 .context("failed to fetch Zed models")
@@ -194,41 +184,17 @@ impl State {
         }
     }
 
-    fn is_signed_out(&self) -> bool {
-        self.status.is_signed_out()
+    fn is_signed_out(&self, cx: &App) -> bool {
+        self.user_store.read(cx).current_user().is_none()
     }
 
     fn authenticate(&self, cx: &mut Context<Self>) -> Task<Result<()>> {
         let client = self.client.clone();
         cx.spawn(async move |state, cx| {
-            client
-                .authenticate_and_connect(true, &cx)
-                .await
-                .into_response()?;
+            client.sign_in_with_optional_connect(true, cx).await?;
             state.update(cx, |_, cx| cx.notify())
         })
     }
-
-    fn has_accepted_terms_of_service(&self, cx: &App) -> bool {
-        self.user_store
-            .read(cx)
-            .current_user_has_accepted_terms()
-            .unwrap_or(false)
-    }
-
-    fn accept_terms_of_service(&mut self, cx: &mut Context<Self>) {
-        let user_store = self.user_store.clone();
-        self.accept_terms_of_service_task = Some(cx.spawn(async move |this, cx| {
-            let _ = user_store
-                .update(cx, |store, cx| store.accept_terms_of_service(cx))?
-                .await;
-            this.update(cx, |this, cx| {
-                this.accept_terms_of_service_task = None;
-                cx.notify()
-            })
-        }));
-    }
-
     fn update_models(&mut self, response: ListModelsResponse, cx: &mut Context<Self>) {
         let mut models = Vec::new();
 
@@ -284,7 +250,7 @@ impl State {
         if response.status().is_success() {
             let mut body = String::new();
             response.body_mut().read_to_string(&mut body).await?;
-            return Ok(serde_json::from_str(&body)?);
+            Ok(serde_json::from_str(&body)?)
         } else {
             let mut body = String::new();
             response.body_mut().read_to_string(&mut body).await?;
@@ -321,7 +287,7 @@ impl CloudLanguageModelProvider {
 
         Self {
             client,
-            state: state.clone(),
+            state,
             _maintain_client_status: maintain_client_status,
         }
     }
@@ -334,7 +300,7 @@ impl CloudLanguageModelProvider {
         Arc::new(CloudLanguageModel {
             id: LanguageModelId(SharedString::from(model.id.0.clone())),
             model,
-            llm_api_token: llm_api_token.clone(),
+            llm_api_token,
             client: self.client.clone(),
             request_limiter: RateLimiter::new(4),
         })
@@ -398,124 +364,28 @@ impl LanguageModelProvider for CloudLanguageModelProvider {
 
     fn is_authenticated(&self, cx: &App) -> bool {
         let state = self.state.read(cx);
-        !state.is_signed_out() && state.has_accepted_terms_of_service(cx)
+        !state.is_signed_out(cx)
     }
 
     fn authenticate(&self, _cx: &mut App) -> Task<Result<(), AuthenticateError>> {
         Task::ready(Ok(()))
     }
 
-    fn configuration_view(&self, _: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        _: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         cx.new(|_| ConfigurationView::new(self.state.clone()))
             .into()
     }
 
-    fn must_accept_terms(&self, cx: &App) -> bool {
-        !self.state.read(cx).has_accepted_terms_of_service(cx)
-    }
-
-    fn render_accept_terms(
-        &self,
-        view: LanguageModelProviderTosView,
-        cx: &mut App,
-    ) -> Option<AnyElement> {
-        let state = self.state.read(cx);
-        if state.has_accepted_terms_of_service(cx) {
-            return None;
-        }
-        Some(
-            render_accept_terms(view, state.accept_terms_of_service_task.is_some(), {
-                let state = self.state.clone();
-                move |_window, cx| {
-                    state.update(cx, |state, cx| state.accept_terms_of_service(cx));
-                }
-            })
-            .into_any_element(),
-        )
-    }
-
     fn reset_credentials(&self, _cx: &mut App) -> Task<Result<()>> {
         Task::ready(Ok(()))
     }
 }
 
-fn render_accept_terms(
-    view_kind: LanguageModelProviderTosView,
-    accept_terms_of_service_in_progress: bool,
-    accept_terms_callback: impl Fn(&mut Window, &mut App) + 'static,
-) -> impl IntoElement {
-    let thread_fresh_start = matches!(view_kind, LanguageModelProviderTosView::ThreadFreshStart);
-    let thread_empty_state = matches!(view_kind, LanguageModelProviderTosView::ThreadEmptyState);
-
-    let terms_button = Button::new("terms_of_service", "Terms of Service")
-        .style(ButtonStyle::Subtle)
-        .icon(IconName::ArrowUpRight)
-        .icon_color(Color::Muted)
-        .icon_size(IconSize::XSmall)
-        .when(thread_empty_state, |this| this.label_size(LabelSize::Small))
-        .on_click(move |_, _window, cx| cx.open_url("https://zed.dev/terms-of-service"));
-
-    let button_container = h_flex().child(
-        Button::new("accept_terms", "I accept the Terms of Service")
-            .when(!thread_empty_state, |this| {
-                this.full_width()
-                    .style(ButtonStyle::Tinted(TintColor::Accent))
-                    .icon(IconName::Check)
-                    .icon_position(IconPosition::Start)
-                    .icon_size(IconSize::Small)
-            })
-            .when(thread_empty_state, |this| {
-                this.style(ButtonStyle::Tinted(TintColor::Warning))
-                    .label_size(LabelSize::Small)
-            })
-            .disabled(accept_terms_of_service_in_progress)
-            .on_click(move |_, window, cx| (accept_terms_callback)(window, cx)),
-    );
-
-    if thread_empty_state {
-        h_flex()
-            .w_full()
-            .flex_wrap()
-            .justify_between()
-            .child(
-                h_flex()
-                    .child(
-                        Label::new("To start using Zed AI, please read and accept the")
-                            .size(LabelSize::Small),
-                    )
-                    .child(terms_button),
-            )
-            .child(button_container)
-    } else {
-        v_flex()
-            .w_full()
-            .gap_2()
-            .child(
-                h_flex()
-                    .flex_wrap()
-                    .when(thread_fresh_start, |this| this.justify_center())
-                    .child(Label::new(
-                        "To start using Zed AI, please read and accept the",
-                    ))
-                    .child(terms_button),
-            )
-            .child({
-                match view_kind {
-                    LanguageModelProviderTosView::TextThreadPopup => {
-                        button_container.w_full().justify_end()
-                    }
-                    LanguageModelProviderTosView::Configuration => {
-                        button_container.w_full().justify_start()
-                    }
-                    LanguageModelProviderTosView::ThreadFreshStart => {
-                        button_container.w_full().justify_center()
-                    }
-                    LanguageModelProviderTosView::ThreadEmptyState => div().w_0(),
-                }
-            })
-    }
-}
-
 pub struct CloudLanguageModel {
     id: LanguageModelId,
     model: Arc<cloud_llm_client::LanguageModel>,
@@ -606,20 +476,13 @@ impl CloudLanguageModel {
                     .headers()
                     .get(SUBSCRIPTION_LIMIT_RESOURCE_HEADER_NAME)
                     .and_then(|resource| resource.to_str().ok())
-                {
-                    if let Some(plan) = response
+                    && let Some(plan) = response
                         .headers()
                         .get(CURRENT_PLAN_HEADER_NAME)
                         .and_then(|plan| plan.to_str().ok())
                         .and_then(|plan| cloud_llm_client::Plan::from_str(plan).ok())
-                    {
-                        let plan = match plan {
-                            cloud_llm_client::Plan::ZedFree => Plan::Free,
-                            cloud_llm_client::Plan::ZedPro => Plan::ZedPro,
-                            cloud_llm_client::Plan::ZedProTrial => Plan::ZedProTrial,
-                        };
-                        return Err(anyhow!(ModelRequestLimitReachedError { plan }));
-                    }
+                {
+                    return Err(anyhow!(ModelRequestLimitReachedError { plan }));
                 }
             } else if status == StatusCode::PAYMENT_REQUIRED {
                 return Err(anyhow!(PaymentRequiredError));
@@ -676,29 +539,29 @@ where
 
 impl From<ApiError> for LanguageModelCompletionError {
     fn from(error: ApiError) -> Self {
-        if let Ok(cloud_error) = serde_json::from_str::<CloudApiError>(&error.body) {
-            if cloud_error.code.starts_with("upstream_http_") {
-                let status = if let Some(status) = cloud_error.upstream_status {
-                    status
-                } else if cloud_error.code.ends_with("_error") {
-                    error.status
-                } else {
-                    // If there's a status code in the code string (e.g. "upstream_http_429")
-                    // then use that; otherwise, see if the JSON contains a status code.
-                    cloud_error
-                        .code
-                        .strip_prefix("upstream_http_")
-                        .and_then(|code_str| code_str.parse::<u16>().ok())
-                        .and_then(|code| StatusCode::from_u16(code).ok())
-                        .unwrap_or(error.status)
-                };
+        if let Ok(cloud_error) = serde_json::from_str::<CloudApiError>(&error.body)
+            && cloud_error.code.starts_with("upstream_http_")
+        {
+            let status = if let Some(status) = cloud_error.upstream_status {
+                status
+            } else if cloud_error.code.ends_with("_error") {
+                error.status
+            } else {
+                // If there's a status code in the code string (e.g. "upstream_http_429")
+                // then use that; otherwise, see if the JSON contains a status code.
+                cloud_error
+                    .code
+                    .strip_prefix("upstream_http_")
+                    .and_then(|code_str| code_str.parse::<u16>().ok())
+                    .and_then(|code| StatusCode::from_u16(code).ok())
+                    .unwrap_or(error.status)
+            };
 
-                return LanguageModelCompletionError::UpstreamProviderError {
-                    message: cloud_error.message,
-                    status,
-                    retry_after: cloud_error.retry_after.map(Duration::from_secs_f64),
-                };
-            }
+            return LanguageModelCompletionError::UpstreamProviderError {
+                message: cloud_error.message,
+                status,
+                retry_after: cloud_error.retry_after.map(Duration::from_secs_f64),
+            };
         }
 
         let retry_after = None;
@@ -960,6 +823,8 @@ impl LanguageModel for CloudLanguageModel {
                     request,
                     model.id(),
                     model.supports_parallel_tool_calls(),
+                    model.supports_prompt_cache_key(),
+                    None,
                     None,
                 );
                 let llm_api_token = self.llm_api_token.clone();
@@ -1118,13 +983,10 @@ fn response_lines<T: DeserializeOwned>(
 #[derive(IntoElement, RegisterComponent)]
 struct ZedAiConfiguration {
     is_connected: bool,
-    plan: Option<proto::Plan>,
+    plan: Option<Plan>,
     subscription_period: Option<(DateTime<Utc>, DateTime<Utc>)>,
     eligible_for_trial: bool,
-    has_accepted_terms_of_service: bool,
     account_too_young: bool,
-    accept_terms_of_service_in_progress: bool,
-    accept_terms_of_service_callback: Arc<dyn Fn(&mut Window, &mut App) + Send + Sync>,
     sign_in_callback: Arc<dyn Fn(&mut Window, &mut App) + Send + Sync>,
 }
 
@@ -1132,15 +994,15 @@ impl RenderOnce for ZedAiConfiguration {
     fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement {
         let young_account_banner = YoungAccountBanner;
 
-        let is_pro = self.plan == Some(proto::Plan::ZedPro);
+        let is_pro = self.plan == Some(Plan::ZedPro);
         let subscription_text = match (self.plan, self.subscription_period) {
-            (Some(proto::Plan::ZedPro), Some(_)) => {
+            (Some(Plan::ZedPro), Some(_)) => {
                 "You have access to Zed's hosted models through your Pro subscription."
             }
-            (Some(proto::Plan::ZedProTrial), Some(_)) => {
+            (Some(Plan::ZedProTrial), Some(_)) => {
                 "You have access to Zed's hosted models through your Pro trial."
             }
-            (Some(proto::Plan::Free), Some(_)) => {
+            (Some(Plan::ZedFree), Some(_)) => {
                 "You have basic access to Zed's hosted models through the Free plan."
             }
             _ => {
@@ -1190,58 +1052,30 @@ impl RenderOnce for ZedAiConfiguration {
                 );
         }
 
-        v_flex()
-            .gap_2()
-            .w_full()
-            .when(!self.has_accepted_terms_of_service, |this| {
-                this.child(render_accept_terms(
-                    LanguageModelProviderTosView::Configuration,
-                    self.accept_terms_of_service_in_progress,
-                    {
-                        let callback = self.accept_terms_of_service_callback.clone();
-                        move |window, cx| (callback)(window, cx)
-                    },
-                ))
-            })
-            .map(|this| {
-                if self.has_accepted_terms_of_service && self.account_too_young {
-                    this.child(young_account_banner).child(
-                        Button::new("upgrade", "Upgrade to Pro")
-                            .style(ui::ButtonStyle::Tinted(ui::TintColor::Accent))
-                            .full_width()
-                            .on_click(|_, _, cx| {
-                                cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx))
-                            }),
-                    )
-                } else if self.has_accepted_terms_of_service {
-                    this.text_sm()
-                        .child(subscription_text)
-                        .child(manage_subscription_buttons)
-                } else {
-                    this
-                }
-            })
-            .when(self.has_accepted_terms_of_service, |this| this)
+        v_flex().gap_2().w_full().map(|this| {
+            if self.account_too_young {
+                this.child(young_account_banner).child(
+                    Button::new("upgrade", "Upgrade to Pro")
+                        .style(ui::ButtonStyle::Tinted(ui::TintColor::Accent))
+                        .full_width()
+                        .on_click(|_, _, cx| cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx))),
+                )
+            } else {
+                this.text_sm()
+                    .child(subscription_text)
+                    .child(manage_subscription_buttons)
+            }
+        })
     }
 }
 
 struct ConfigurationView {
     state: Entity<State>,
-    accept_terms_of_service_callback: Arc<dyn Fn(&mut Window, &mut App) + Send + Sync>,
     sign_in_callback: Arc<dyn Fn(&mut Window, &mut App) + Send + Sync>,
 }
 
 impl ConfigurationView {
     fn new(state: Entity<State>) -> Self {
-        let accept_terms_of_service_callback = Arc::new({
-            let state = state.clone();
-            move |_window: &mut Window, cx: &mut App| {
-                state.update(cx, |state, cx| {
-                    state.accept_terms_of_service(cx);
-                });
-            }
-        });
-
         let sign_in_callback = Arc::new({
             let state = state.clone();
             move |_window: &mut Window, cx: &mut App| {
@@ -1253,7 +1087,6 @@ impl ConfigurationView {
 
         Self {
             state,
-            accept_terms_of_service_callback,
             sign_in_callback,
         }
     }
@@ -1265,31 +1098,35 @@ impl Render for ConfigurationView {
         let user_store = state.user_store.read(cx);
 
         ZedAiConfiguration {
-            is_connected: !state.is_signed_out(),
-            plan: user_store.current_plan(),
+            is_connected: !state.is_signed_out(cx),
+            plan: user_store.plan(),
             subscription_period: user_store.subscription_period(),
             eligible_for_trial: user_store.trial_started_at().is_none(),
-            has_accepted_terms_of_service: state.has_accepted_terms_of_service(cx),
             account_too_young: user_store.account_too_young(),
-            accept_terms_of_service_in_progress: state.accept_terms_of_service_task.is_some(),
-            accept_terms_of_service_callback: self.accept_terms_of_service_callback.clone(),
             sign_in_callback: self.sign_in_callback.clone(),
         }
     }
 }
 
 impl Component for ZedAiConfiguration {
+    fn name() -> &'static str {
+        "AI Configuration Content"
+    }
+
+    fn sort_name() -> &'static str {
+        "AI Configuration Content"
+    }
+
     fn scope() -> ComponentScope {
-        ComponentScope::Agent
+        ComponentScope::Onboarding
     }
 
     fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
         fn configuration(
             is_connected: bool,
-            plan: Option<proto::Plan>,
+            plan: Option<Plan>,
             eligible_for_trial: bool,
             account_too_young: bool,
-            has_accepted_terms_of_service: bool,
         ) -> AnyElement {
             ZedAiConfiguration {
                 is_connected,
@@ -1298,10 +1135,7 @@ impl Component for ZedAiConfiguration {
                     .is_some()
                     .then(|| (Utc::now(), Utc::now() + chrono::Duration::days(7))),
                 eligible_for_trial,
-                has_accepted_terms_of_service,
                 account_too_young,
-                accept_terms_of_service_in_progress: false,
-                accept_terms_of_service_callback: Arc::new(|_, _| {}),
                 sign_in_callback: Arc::new(|_, _| {}),
             }
             .into_any_element()
@@ -1312,33 +1146,30 @@ impl Component for ZedAiConfiguration {
                 .p_4()
                 .gap_4()
                 .children(vec![
-                    single_example(
-                        "Not connected",
-                        configuration(false, None, false, false, true),
-                    ),
+                    single_example("Not connected", configuration(false, None, false, false)),
                     single_example(
                         "Accept Terms of Service",
-                        configuration(true, None, true, false, false),
+                        configuration(true, None, true, false),
                     ),
                     single_example(
                         "No Plan - Not eligible for trial",
-                        configuration(true, None, false, false, true),
+                        configuration(true, None, false, false),
                     ),
                     single_example(
                         "No Plan - Eligible for trial",
-                        configuration(true, None, true, false, true),
+                        configuration(true, None, true, false),
                     ),
                     single_example(
                         "Free Plan",
-                        configuration(true, Some(proto::Plan::Free), true, false, true),
+                        configuration(true, Some(Plan::ZedFree), true, false),
                     ),
                     single_example(
                         "Zed Pro Trial Plan",
-                        configuration(true, Some(proto::Plan::ZedProTrial), true, false, true),
+                        configuration(true, Some(Plan::ZedProTrial), true, false),
                     ),
                     single_example(
                         "Zed Pro Plan",
-                        configuration(true, Some(proto::Plan::ZedPro), true, false, true),
+                        configuration(true, Some(Plan::ZedPro), true, false),
                     ),
                 ])
                 .into_any_element(),
diff --git a/crates/language_models/src/provider/copilot_chat.rs b/crates/language_models/src/provider/copilot_chat.rs
index 3cdc2e5401..eb12c0056f 100644
--- a/crates/language_models/src/provider/copilot_chat.rs
+++ b/crates/language_models/src/provider/copilot_chat.rs
@@ -176,7 +176,12 @@ impl LanguageModelProvider for CopilotChatLanguageModelProvider {
         Task::ready(Err(err.into()))
     }
 
-    fn configuration_view(&self, _: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        _: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         let state = self.state.clone();
         cx.new(|cx| ConfigurationView::new(state, cx)).into()
     }
@@ -706,7 +711,8 @@ impl Render for ConfigurationView {
                             .child(svg().size_8().path(IconName::CopilotError.path()))
                     }
                     _ => {
-                        const LABEL: &str = "To use Zed's assistant with GitHub Copilot, you need to be logged in to GitHub. Note that your GitHub account must have an active Copilot Chat subscription.";
+                        const LABEL: &str = "To use Zed's agent with GitHub Copilot, you need to be logged in to GitHub. Note that your GitHub account must have an active Copilot Chat subscription.";
+
                         v_flex().gap_2().child(Label::new(LABEL)).child(
                             Button::new("sign_in", "Sign in to use GitHub Copilot")
                                 .icon_color(Color::Muted)
diff --git a/crates/language_models/src/provider/deepseek.rs b/crates/language_models/src/provider/deepseek.rs
index a568ef4034..8c7f8bcc35 100644
--- a/crates/language_models/src/provider/deepseek.rs
+++ b/crates/language_models/src/provider/deepseek.rs
@@ -77,7 +77,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .delete_credentials(&api_url, &cx)
+                .delete_credentials(&api_url, cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -96,7 +96,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
+                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), cx)
                 .await?;
             this.update(cx, |this, cx| {
                 this.api_key = Some(api_key);
@@ -120,7 +120,7 @@ impl State {
                 (api_key, true)
             } else {
                 let (_, api_key) = credentials_provider
-                    .read_credentials(&api_url, &cx)
+                    .read_credentials(&api_url, cx)
                     .await?
                     .ok_or(AuthenticateError::CredentialsNotFound)?;
                 (
@@ -229,7 +229,12 @@ impl LanguageModelProvider for DeepSeekLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
             .into()
     }
diff --git a/crates/language_models/src/provider/google.rs b/crates/language_models/src/provider/google.rs
index bd8a09970a..f252ab7aa3 100644
--- a/crates/language_models/src/provider/google.rs
+++ b/crates/language_models/src/provider/google.rs
@@ -12,9 +12,9 @@ use gpui::{
 };
 use http_client::HttpClient;
 use language_model::{
-    AuthenticateError, LanguageModelCompletionError, LanguageModelCompletionEvent,
-    LanguageModelToolChoice, LanguageModelToolSchemaFormat, LanguageModelToolUse,
-    LanguageModelToolUseId, MessageContent, StopReason,
+    AuthenticateError, ConfigurationViewTargetAgent, LanguageModelCompletionError,
+    LanguageModelCompletionEvent, LanguageModelToolChoice, LanguageModelToolSchemaFormat,
+    LanguageModelToolUse, LanguageModelToolUseId, MessageContent, StopReason,
 };
 use language_model::{
     LanguageModel, LanguageModelId, LanguageModelName, LanguageModelProvider,
@@ -37,6 +37,8 @@ use util::ResultExt;
 use crate::AllLanguageModelSettings;
 use crate::ui::InstructionListItem;
 
+use super::anthropic::ApiKey;
+
 const PROVIDER_ID: LanguageModelProviderId = language_model::GOOGLE_PROVIDER_ID;
 const PROVIDER_NAME: LanguageModelProviderName = language_model::GOOGLE_PROVIDER_NAME;
 
@@ -110,7 +112,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .delete_credentials(&api_url, &cx)
+                .delete_credentials(&api_url, cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -129,7 +131,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
+                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), cx)
                 .await?;
             this.update(cx, |this, cx| {
                 this.api_key = Some(api_key);
@@ -156,7 +158,7 @@ impl State {
                 (api_key, true)
             } else {
                 let (_, api_key) = credentials_provider
-                    .read_credentials(&api_url, &cx)
+                    .read_credentials(&api_url, cx)
                     .await?
                     .ok_or(AuthenticateError::CredentialsNotFound)?;
                 (
@@ -198,6 +200,33 @@ impl GoogleLanguageModelProvider {
             request_limiter: RateLimiter::new(4),
         })
     }
+
+    pub fn api_key(cx: &mut App) -> Task<Result<ApiKey>> {
+        let credentials_provider = <dyn CredentialsProvider>::global(cx);
+        let api_url = AllLanguageModelSettings::get_global(cx)
+            .google
+            .api_url
+            .clone();
+
+        if let Ok(key) = std::env::var(GEMINI_API_KEY_VAR) {
+            Task::ready(Ok(ApiKey {
+                key,
+                from_env: true,
+            }))
+        } else {
+            cx.spawn(async move |cx| {
+                let (_, api_key) = credentials_provider
+                    .read_credentials(&api_url, cx)
+                    .await?
+                    .ok_or(AuthenticateError::CredentialsNotFound)?;
+
+                Ok(ApiKey {
+                    key: String::from_utf8(api_key).context("invalid {PROVIDER_NAME} API key")?,
+                    from_env: false,
+                })
+            })
+        }
+    }
 }
 
 impl LanguageModelProviderState for GoogleLanguageModelProvider {
@@ -277,8 +306,13 @@ impl LanguageModelProvider for GoogleLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
-        cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
+    fn configuration_view(
+        &self,
+        target_agent: language_model::ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
+        cx.new(|cx| ConfigurationView::new(self.state.clone(), target_agent, window, cx))
             .into()
     }
 
@@ -382,7 +416,7 @@ impl LanguageModel for GoogleLanguageModel {
         cx: &App,
     ) -> BoxFuture<'static, Result<u64>> {
         let model_id = self.model.request_id().to_string();
-        let request = into_google(request, model_id.clone(), self.model.mode());
+        let request = into_google(request, model_id, self.model.mode());
         let http_client = self.http_client.clone();
         let api_key = self.state.read(cx).api_key.clone();
 
@@ -525,7 +559,7 @@ pub fn into_google(
     let system_instructions = if request
         .messages
         .first()
-        .map_or(false, |msg| matches!(msg.role, Role::System))
+        .is_some_and(|msg| matches!(msg.role, Role::System))
     {
         let message = request.messages.remove(0);
         Some(SystemInstruction {
@@ -572,7 +606,7 @@ pub fn into_google(
             top_k: None,
         }),
         safety_settings: None,
-        tools: (request.tools.len() > 0).then(|| {
+        tools: (!request.tools.is_empty()).then(|| {
             vec![google_ai::Tool {
                 function_declarations: request
                     .tools
@@ -771,11 +805,17 @@ fn convert_usage(usage: &UsageMetadata) -> language_model::TokenUsage {
 struct ConfigurationView {
     api_key_editor: Entity<Editor>,
     state: gpui::Entity<State>,
+    target_agent: language_model::ConfigurationViewTargetAgent,
     load_credentials_task: Option<Task<()>>,
 }
 
 impl ConfigurationView {
-    fn new(state: gpui::Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
+    fn new(
+        state: gpui::Entity<State>,
+        target_agent: language_model::ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Self {
         cx.observe(&state, |_, _, cx| {
             cx.notify();
         })
@@ -805,6 +845,7 @@ impl ConfigurationView {
                 editor.set_placeholder_text("AIzaSy...", cx);
                 editor
             }),
+            target_agent,
             state,
             load_credentials_task,
         }
@@ -880,7 +921,10 @@ impl Render for ConfigurationView {
             v_flex()
                 .size_full()
                 .on_action(cx.listener(Self::save_api_key))
-                .child(Label::new("To use Zed's assistant with Google AI, you need to add an API key. Follow these steps:"))
+                .child(Label::new(format!("To use {}, you need to add an API key. Follow these steps:", match &self.target_agent {
+                    ConfigurationViewTargetAgent::ZedAgent => "Zed's agent with Google AI".into(),
+                    ConfigurationViewTargetAgent::Other(agent) => agent.clone(),
+                })))
                 .child(
                     List::new()
                         .child(InstructionListItem::new(
diff --git a/crates/language_models/src/provider/lmstudio.rs b/crates/language_models/src/provider/lmstudio.rs
index 01600f3646..80b28a396b 100644
--- a/crates/language_models/src/provider/lmstudio.rs
+++ b/crates/language_models/src/provider/lmstudio.rs
@@ -210,7 +210,7 @@ impl LanguageModelProvider for LmStudioLanguageModelProvider {
             .map(|model| {
                 Arc::new(LmStudioLanguageModel {
                     id: LanguageModelId::from(model.name.clone()),
-                    model: model.clone(),
+                    model,
                     http_client: self.http_client.clone(),
                     request_limiter: RateLimiter::new(4),
                 }) as Arc<dyn LanguageModel>
@@ -226,7 +226,12 @@ impl LanguageModelProvider for LmStudioLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, _window: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        _window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         let state = self.state.clone();
         cx.new(|cx| ConfigurationView::new(state, cx)).into()
     }
@@ -690,7 +695,7 @@ impl Render for ConfigurationView {
                                             Button::new("lmstudio-site", "LM Studio")
                                                 .style(ButtonStyle::Subtle)
                                                 .icon(IconName::ArrowUpRight)
-                                                .icon_size(IconSize::XSmall)
+                                                .icon_size(IconSize::Small)
                                                 .icon_color(Color::Muted)
                                                 .on_click(move |_, _window, cx| {
                                                     cx.open_url(LMSTUDIO_SITE)
@@ -705,7 +710,7 @@ impl Render for ConfigurationView {
                                             )
                                             .style(ButtonStyle::Subtle)
                                             .icon(IconName::ArrowUpRight)
-                                            .icon_size(IconSize::XSmall)
+                                            .icon_size(IconSize::Small)
                                             .icon_color(Color::Muted)
                                             .on_click(move |_, _window, cx| {
                                                 cx.open_url(LMSTUDIO_DOWNLOAD_URL)
@@ -718,7 +723,7 @@ impl Render for ConfigurationView {
                                     Button::new("view-models", "Model Catalog")
                                         .style(ButtonStyle::Subtle)
                                         .icon(IconName::ArrowUpRight)
-                                        .icon_size(IconSize::XSmall)
+                                        .icon_size(IconSize::Small)
                                         .icon_color(Color::Muted)
                                         .on_click(move |_, _window, cx| {
                                             cx.open_url(LMSTUDIO_CATALOG_URL)
@@ -744,7 +749,7 @@ impl Render for ConfigurationView {
                                     Button::new("retry_lmstudio_models", "Connect")
                                         .icon_position(IconPosition::Start)
                                         .icon_size(IconSize::XSmall)
-                                        .icon(IconName::Play)
+                                        .icon(IconName::PlayFilled)
                                         .on_click(cx.listener(move |this, _, _window, cx| {
                                             this.retry_connection(cx)
                                         })),
diff --git a/crates/language_models/src/provider/mistral.rs b/crates/language_models/src/provider/mistral.rs
index fb385308fa..3f8c2e2a67 100644
--- a/crates/language_models/src/provider/mistral.rs
+++ b/crates/language_models/src/provider/mistral.rs
@@ -47,6 +47,7 @@ pub struct AvailableModel {
     pub max_completion_tokens: Option<u64>,
     pub supports_tools: Option<bool>,
     pub supports_images: Option<bool>,
+    pub supports_thinking: Option<bool>,
 }
 
 pub struct MistralLanguageModelProvider {
@@ -75,7 +76,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .delete_credentials(&api_url, &cx)
+                .delete_credentials(&api_url, cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -94,7 +95,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
+                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), cx)
                 .await?;
             this.update(cx, |this, cx| {
                 this.api_key = Some(api_key);
@@ -118,7 +119,7 @@ impl State {
                 (api_key, true)
             } else {
                 let (_, api_key) = credentials_provider
-                    .read_credentials(&api_url, &cx)
+                    .read_credentials(&api_url, cx)
                     .await?
                     .ok_or(AuthenticateError::CredentialsNotFound)?;
                 (
@@ -215,6 +216,7 @@ impl LanguageModelProvider for MistralLanguageModelProvider {
                     max_completion_tokens: model.max_completion_tokens,
                     supports_tools: model.supports_tools,
                     supports_images: model.supports_images,
+                    supports_thinking: model.supports_thinking,
                 },
             );
         }
@@ -241,7 +243,12 @@ impl LanguageModelProvider for MistralLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
             .into()
     }
@@ -366,11 +373,7 @@ impl LanguageModel for MistralLanguageModel {
             LanguageModelCompletionError,
         >,
     > {
-        let request = into_mistral(
-            request,
-            self.model.id().to_string(),
-            self.max_output_tokens(),
-        );
+        let request = into_mistral(request, self.model.clone(), self.max_output_tokens());
         let stream = self.stream_completion(request, cx);
 
         async move {
@@ -384,7 +387,7 @@ impl LanguageModel for MistralLanguageModel {
 
 pub fn into_mistral(
     request: LanguageModelRequest,
-    model: String,
+    model: mistral::Model,
     max_output_tokens: Option<u64>,
 ) -> mistral::Request {
     let stream = true;
@@ -401,13 +404,20 @@ pub fn into_mistral(
                                 .push_part(mistral::MessagePart::Text { text: text.clone() });
                         }
                         MessageContent::Image(image_content) => {
-                            message_content.push_part(mistral::MessagePart::ImageUrl {
-                                image_url: image_content.to_base64_url(),
-                            });
+                            if model.supports_images() {
+                                message_content.push_part(mistral::MessagePart::ImageUrl {
+                                    image_url: image_content.to_base64_url(),
+                                });
+                            }
                         }
                         MessageContent::Thinking { text, .. } => {
-                            message_content
-                                .push_part(mistral::MessagePart::Text { text: text.clone() });
+                            if model.supports_thinking() {
+                                message_content.push_part(mistral::MessagePart::Thinking {
+                                    thinking: vec![mistral::ThinkingPart::Text {
+                                        text: text.clone(),
+                                    }],
+                                });
+                            }
                         }
                         MessageContent::RedactedThinking(_) => {}
                         MessageContent::ToolUse(_) => {
@@ -437,12 +447,28 @@ pub fn into_mistral(
             Role::Assistant => {
                 for content in &message.content {
                     match content {
-                        MessageContent::Text(text) | MessageContent::Thinking { text, .. } => {
+                        MessageContent::Text(text) => {
                             messages.push(mistral::RequestMessage::Assistant {
-                                content: Some(text.clone()),
+                                content: Some(mistral::MessageContent::Plain {
+                                    content: text.clone(),
+                                }),
                                 tool_calls: Vec::new(),
                             });
                         }
+                        MessageContent::Thinking { text, .. } => {
+                            if model.supports_thinking() {
+                                messages.push(mistral::RequestMessage::Assistant {
+                                    content: Some(mistral::MessageContent::Multipart {
+                                        content: vec![mistral::MessagePart::Thinking {
+                                            thinking: vec![mistral::ThinkingPart::Text {
+                                                text: text.clone(),
+                                            }],
+                                        }],
+                                    }),
+                                    tool_calls: Vec::new(),
+                                });
+                            }
+                        }
                         MessageContent::RedactedThinking(_) => {}
                         MessageContent::Image(_) => {}
                         MessageContent::ToolUse(tool_use) => {
@@ -477,11 +503,26 @@ pub fn into_mistral(
             Role::System => {
                 for content in &message.content {
                     match content {
-                        MessageContent::Text(text) | MessageContent::Thinking { text, .. } => {
+                        MessageContent::Text(text) => {
                             messages.push(mistral::RequestMessage::System {
-                                content: text.clone(),
+                                content: mistral::MessageContent::Plain {
+                                    content: text.clone(),
+                                },
                             });
                         }
+                        MessageContent::Thinking { text, .. } => {
+                            if model.supports_thinking() {
+                                messages.push(mistral::RequestMessage::System {
+                                    content: mistral::MessageContent::Multipart {
+                                        content: vec![mistral::MessagePart::Thinking {
+                                            thinking: vec![mistral::ThinkingPart::Text {
+                                                text: text.clone(),
+                                            }],
+                                        }],
+                                    },
+                                });
+                            }
+                        }
                         MessageContent::RedactedThinking(_) => {}
                         MessageContent::Image(_)
                         | MessageContent::ToolUse(_)
@@ -494,37 +535,8 @@ pub fn into_mistral(
         }
     }
 
-    // The Mistral API requires that tool messages be followed by assistant messages,
-    // not user messages. When we have a tool->user sequence in the conversation,
-    // we need to insert a placeholder assistant message to maintain proper conversation
-    // flow and prevent API errors. This is a Mistral-specific requirement that differs
-    // from other language model APIs.
-    let messages = {
-        let mut fixed_messages = Vec::with_capacity(messages.len());
-        let mut messages_iter = messages.into_iter().peekable();
-
-        while let Some(message) = messages_iter.next() {
-            let is_tool_message = matches!(message, mistral::RequestMessage::Tool { .. });
-            fixed_messages.push(message);
-
-            // Insert assistant message between tool and user messages
-            if is_tool_message {
-                if let Some(next_msg) = messages_iter.peek() {
-                    if matches!(next_msg, mistral::RequestMessage::User { .. }) {
-                        fixed_messages.push(mistral::RequestMessage::Assistant {
-                            content: Some(" ".to_string()),
-                            tool_calls: Vec::new(),
-                        });
-                    }
-                }
-            }
-        }
-
-        fixed_messages
-    };
-
     mistral::Request {
-        model,
+        model: model.id().to_string(),
         messages,
         stream,
         max_tokens: max_output_tokens,
@@ -595,8 +607,38 @@ impl MistralEventMapper {
         };
 
         let mut events = Vec::new();
-        if let Some(content) = choice.delta.content.clone() {
-            events.push(Ok(LanguageModelCompletionEvent::Text(content)));
+        if let Some(content) = choice.delta.content.as_ref() {
+            match content {
+                mistral::MessageContentDelta::Text(text) => {
+                    events.push(Ok(LanguageModelCompletionEvent::Text(text.clone())));
+                }
+                mistral::MessageContentDelta::Parts(parts) => {
+                    for part in parts {
+                        match part {
+                            mistral::MessagePart::Text { text } => {
+                                events.push(Ok(LanguageModelCompletionEvent::Text(text.clone())));
+                            }
+                            mistral::MessagePart::Thinking { thinking } => {
+                                for tp in thinking.iter().cloned() {
+                                    match tp {
+                                        mistral::ThinkingPart::Text { text } => {
+                                            events.push(Ok(
+                                                LanguageModelCompletionEvent::Thinking {
+                                                    text,
+                                                    signature: None,
+                                                },
+                                            ));
+                                        }
+                                    }
+                                }
+                            }
+                            mistral::MessagePart::ImageUrl { .. } => {
+                                // We currently don't emit a separate event for images in responses.
+                            }
+                        }
+                    }
+                }
+            }
         }
 
         if let Some(tool_calls) = choice.delta.tool_calls.as_ref() {
@@ -807,7 +849,7 @@ impl Render for ConfigurationView {
             v_flex()
                 .size_full()
                 .on_action(cx.listener(Self::save_api_key))
-                .child(Label::new("To use Zed's assistant with Mistral, you need to add an API key. Follow these steps:"))
+                .child(Label::new("To use Zed's agent with Mistral, you need to add an API key. Follow these steps:"))
                 .child(
                     List::new()
                         .child(InstructionListItem::new(
@@ -908,7 +950,7 @@ mod tests {
             thinking_allowed: true,
         };
 
-        let mistral_request = into_mistral(request, "mistral-small-latest".into(), None);
+        let mistral_request = into_mistral(request, mistral::Model::MistralSmallLatest, None);
 
         assert_eq!(mistral_request.model, "mistral-small-latest");
         assert_eq!(mistral_request.temperature, Some(0.5));
@@ -941,7 +983,7 @@ mod tests {
             thinking_allowed: true,
         };
 
-        let mistral_request = into_mistral(request, "pixtral-12b-latest".into(), None);
+        let mistral_request = into_mistral(request, mistral::Model::Pixtral12BLatest, None);
 
         assert_eq!(mistral_request.messages.len(), 1);
         assert!(matches!(
diff --git a/crates/language_models/src/provider/ollama.rs b/crates/language_models/src/provider/ollama.rs
index c20ea0ee1e..3f2d47fba3 100644
--- a/crates/language_models/src/provider/ollama.rs
+++ b/crates/language_models/src/provider/ollama.rs
@@ -237,7 +237,7 @@ impl LanguageModelProvider for OllamaLanguageModelProvider {
             .map(|model| {
                 Arc::new(OllamaLanguageModel {
                     id: LanguageModelId::from(model.name.clone()),
-                    model: model.clone(),
+                    model,
                     http_client: self.http_client.clone(),
                     request_limiter: RateLimiter::new(4),
                 }) as Arc<dyn LanguageModel>
@@ -255,7 +255,12 @@ impl LanguageModelProvider for OllamaLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         let state = self.state.clone();
         cx.new(|cx| ConfigurationView::new(state, window, cx))
             .into()
@@ -608,7 +613,7 @@ impl Render for ConfigurationView {
                                             Button::new("ollama-site", "Ollama")
                                                 .style(ButtonStyle::Subtle)
                                                 .icon(IconName::ArrowUpRight)
-                                                .icon_size(IconSize::XSmall)
+                                                .icon_size(IconSize::Small)
                                                 .icon_color(Color::Muted)
                                                 .on_click(move |_, _, cx| cx.open_url(OLLAMA_SITE))
                                                 .into_any_element(),
@@ -621,7 +626,7 @@ impl Render for ConfigurationView {
                                             )
                                             .style(ButtonStyle::Subtle)
                                             .icon(IconName::ArrowUpRight)
-                                            .icon_size(IconSize::XSmall)
+                                            .icon_size(IconSize::Small)
                                             .icon_color(Color::Muted)
                                             .on_click(move |_, _, cx| {
                                                 cx.open_url(OLLAMA_DOWNLOAD_URL)
@@ -631,10 +636,10 @@ impl Render for ConfigurationView {
                                     }
                                 })
                                 .child(
-                                    Button::new("view-models", "All Models")
+                                    Button::new("view-models", "View All Models")
                                         .style(ButtonStyle::Subtle)
                                         .icon(IconName::ArrowUpRight)
-                                        .icon_size(IconSize::XSmall)
+                                        .icon_size(IconSize::Small)
                                         .icon_color(Color::Muted)
                                         .on_click(move |_, _, cx| cx.open_url(OLLAMA_LIBRARY_URL)),
                                 ),
@@ -658,7 +663,7 @@ impl Render for ConfigurationView {
                                     Button::new("retry_ollama_models", "Connect")
                                         .icon_position(IconPosition::Start)
                                         .icon_size(IconSize::XSmall)
-                                        .icon(IconName::Play)
+                                        .icon(IconName::PlayFilled)
                                         .on_click(cx.listener(move |this, _, _, cx| {
                                             this.retry_connection(cx)
                                         })),
diff --git a/crates/language_models/src/provider/open_ai.rs b/crates/language_models/src/provider/open_ai.rs
index 6c4d4c9b3e..4348fd4211 100644
--- a/crates/language_models/src/provider/open_ai.rs
+++ b/crates/language_models/src/provider/open_ai.rs
@@ -14,7 +14,7 @@ use language_model::{
     RateLimiter, Role, StopReason, TokenUsage,
 };
 use menu;
-use open_ai::{ImageUrl, Model, ResponseStreamEvent, stream_completion};
+use open_ai::{ImageUrl, Model, ReasoningEffort, ResponseStreamEvent, stream_completion};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 use settings::{Settings, SettingsStore};
@@ -45,6 +45,7 @@ pub struct AvailableModel {
     pub max_tokens: u64,
     pub max_output_tokens: Option<u64>,
     pub max_completion_tokens: Option<u64>,
+    pub reasoning_effort: Option<ReasoningEffort>,
 }
 
 pub struct OpenAiLanguageModelProvider {
@@ -74,7 +75,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .delete_credentials(&api_url, &cx)
+                .delete_credentials(&api_url, cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -93,7 +94,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
+                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -118,7 +119,7 @@ impl State {
                 (api_key, true)
             } else {
                 let (_, api_key) = credentials_provider
-                    .read_credentials(&api_url, &cx)
+                    .read_credentials(&api_url, cx)
                     .await?
                     .ok_or(AuthenticateError::CredentialsNotFound)?;
                 (
@@ -213,6 +214,7 @@ impl LanguageModelProvider for OpenAiLanguageModelProvider {
                     max_tokens: model.max_tokens,
                     max_output_tokens: model.max_output_tokens,
                     max_completion_tokens: model.max_completion_tokens,
+                    reasoning_effort: model.reasoning_effort.clone(),
                 },
             );
         }
@@ -231,7 +233,12 @@ impl LanguageModelProvider for OpenAiLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
             .into()
     }
@@ -301,7 +308,25 @@ impl LanguageModel for OpenAiLanguageModel {
     }
 
     fn supports_images(&self) -> bool {
-        false
+        use open_ai::Model;
+        match &self.model {
+            Model::FourOmni
+            | Model::FourOmniMini
+            | Model::FourPointOne
+            | Model::FourPointOneMini
+            | Model::FourPointOneNano
+            | Model::Five
+            | Model::FiveMini
+            | Model::FiveNano
+            | Model::O1
+            | Model::O3
+            | Model::O4Mini => true,
+            Model::ThreePointFiveTurbo
+            | Model::Four
+            | Model::FourTurbo
+            | Model::O3Mini
+            | Model::Custom { .. } => false,
+        }
     }
 
     fn supports_tool_choice(&self, choice: LanguageModelToolChoice) -> bool {
@@ -350,7 +375,9 @@ impl LanguageModel for OpenAiLanguageModel {
             request,
             self.model.id(),
             self.model.supports_parallel_tool_calls(),
+            self.model.supports_prompt_cache_key(),
             self.max_output_tokens(),
+            self.model.reasoning_effort(),
         );
         let completions = self.stream_completion(request, cx);
         async move {
@@ -365,7 +392,9 @@ pub fn into_open_ai(
     request: LanguageModelRequest,
     model_id: &str,
     supports_parallel_tool_calls: bool,
+    supports_prompt_cache_key: bool,
     max_output_tokens: Option<u64>,
+    reasoning_effort: Option<ReasoningEffort>,
 ) -> open_ai::Request {
     let stream = !model_id.starts_with("o1-");
 
@@ -375,7 +404,7 @@ pub fn into_open_ai(
             match content {
                 MessageContent::Text(text) | MessageContent::Thinking { text, .. } => {
                     add_message_content_part(
-                        open_ai::MessagePart::Text { text: text },
+                        open_ai::MessagePart::Text { text },
                         message.role,
                         &mut messages,
                     )
@@ -455,6 +484,11 @@ pub fn into_open_ai(
         } else {
             None
         },
+        prompt_cache_key: if supports_prompt_cache_key {
+            request.thread_id
+        } else {
+            None
+        },
         tools: request
             .tools
             .into_iter()
@@ -471,6 +505,7 @@ pub fn into_open_ai(
             LanguageModelToolChoice::Any => open_ai::ToolChoice::Required,
             LanguageModelToolChoice::None => open_ai::ToolChoice::None,
         }),
+        reasoning_effort,
     }
 }
 
@@ -674,6 +709,10 @@ pub fn count_open_ai_tokens(
             | Model::O3
             | Model::O3Mini
             | Model::O4Mini => tiktoken_rs::num_tokens_from_messages(model.id(), &messages),
+            // GPT-5 models don't have tiktoken support yet; fall back on gpt-4o tokenizer
+            Model::Five | Model::FiveMini | Model::FiveNano => {
+                tiktoken_rs::num_tokens_from_messages("gpt-4o", &messages)
+            }
         }
         .map(|tokens| tokens as u64)
     })
@@ -780,7 +819,7 @@ impl Render for ConfigurationView {
         let api_key_section = if self.should_render_editor(cx) {
             v_flex()
                 .on_action(cx.listener(Self::save_api_key))
-                .child(Label::new("To use Zed's assistant with OpenAI, you need to add an API key. Follow these steps:"))
+                .child(Label::new("To use Zed's agent with OpenAI, you need to add an API key. Follow these steps:"))
                 .child(
                     List::new()
                         .child(InstructionListItem::new(
@@ -865,10 +904,10 @@ impl Render for ConfigurationView {
             .child(
                 Button::new("docs", "Learn More")
                     .icon(IconName::ArrowUpRight)
-                    .icon_size(IconSize::XSmall)
+                    .icon_size(IconSize::Small)
                     .icon_color(Color::Muted)
                     .on_click(move |_, _window, cx| {
-                        cx.open_url("https://zed.dev/docs/ai/configuration#openai-api-compatible")
+                        cx.open_url("https://zed.dev/docs/ai/llm-providers#openai-api-compatible")
                     }),
             );
 
diff --git a/crates/language_models/src/provider/open_ai_compatible.rs b/crates/language_models/src/provider/open_ai_compatible.rs
index 64add5483d..55df534cc9 100644
--- a/crates/language_models/src/provider/open_ai_compatible.rs
+++ b/crates/language_models/src/provider/open_ai_compatible.rs
@@ -38,6 +38,27 @@ pub struct AvailableModel {
     pub max_tokens: u64,
     pub max_output_tokens: Option<u64>,
     pub max_completion_tokens: Option<u64>,
+    #[serde(default)]
+    pub capabilities: ModelCapabilities,
+}
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]
+pub struct ModelCapabilities {
+    pub tools: bool,
+    pub images: bool,
+    pub parallel_tool_calls: bool,
+    pub prompt_cache_key: bool,
+}
+
+impl Default for ModelCapabilities {
+    fn default() -> Self {
+        Self {
+            tools: true,
+            images: false,
+            parallel_tool_calls: false,
+            prompt_cache_key: false,
+        }
+    }
 }
 
 pub struct OpenAiCompatibleLanguageModelProvider {
@@ -66,7 +87,7 @@ impl State {
         let api_url = self.settings.api_url.clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .delete_credentials(&api_url, &cx)
+                .delete_credentials(&api_url, cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -82,7 +103,7 @@ impl State {
         let api_url = self.settings.api_url.clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
+                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -105,7 +126,7 @@ impl State {
                 (api_key, true)
             } else {
                 let (_, api_key) = credentials_provider
-                    .read_credentials(&api_url, &cx)
+                    .read_credentials(&api_url, cx)
                     .await?
                     .ok_or(AuthenticateError::CredentialsNotFound)?;
                 (
@@ -222,7 +243,12 @@ impl LanguageModelProvider for OpenAiCompatibleLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
             .into()
     }
@@ -293,17 +319,17 @@ impl LanguageModel for OpenAiCompatibleLanguageModel {
     }
 
     fn supports_tools(&self) -> bool {
-        true
+        self.model.capabilities.tools
     }
 
     fn supports_images(&self) -> bool {
-        false
+        self.model.capabilities.images
     }
 
     fn supports_tool_choice(&self, choice: LanguageModelToolChoice) -> bool {
         match choice {
-            LanguageModelToolChoice::Auto => true,
-            LanguageModelToolChoice::Any => true,
+            LanguageModelToolChoice::Auto => self.model.capabilities.tools,
+            LanguageModelToolChoice::Any => self.model.capabilities.tools,
             LanguageModelToolChoice::None => true,
         }
     }
@@ -355,7 +381,14 @@ impl LanguageModel for OpenAiCompatibleLanguageModel {
             LanguageModelCompletionError,
         >,
     > {
-        let request = into_open_ai(request, &self.model.name, true, self.max_output_tokens());
+        let request = into_open_ai(
+            request,
+            &self.model.name,
+            self.model.capabilities.parallel_tool_calls,
+            self.model.capabilities.prompt_cache_key,
+            self.max_output_tokens(),
+            None,
+        );
         let completions = self.stream_completion(request, cx);
         async move {
             let mapper = OpenAiEventMapper::new();
@@ -466,7 +499,7 @@ impl Render for ConfigurationView {
         let api_key_section = if self.should_render_editor(cx) {
             v_flex()
                 .on_action(cx.listener(Self::save_api_key))
-                .child(Label::new("To use Zed's assistant with an OpenAI compatible provider, you need to add an API key."))
+                .child(Label::new("To use Zed's agent with an OpenAI-compatible provider, you need to add an API key."))
                 .child(
                     div()
                         .pt(DynamicSpacing::Base04.rems(cx))
diff --git a/crates/language_models/src/provider/open_router.rs b/crates/language_models/src/provider/open_router.rs
index 5a6acc4329..8f2abfce35 100644
--- a/crates/language_models/src/provider/open_router.rs
+++ b/crates/language_models/src/provider/open_router.rs
@@ -112,7 +112,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .delete_credentials(&api_url, &cx)
+                .delete_credentials(&api_url, cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -131,7 +131,7 @@ impl State {
             .clone();
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
+                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -157,7 +157,7 @@ impl State {
                 (api_key, true)
             } else {
                 let (_, api_key) = credentials_provider
-                    .read_credentials(&api_url, &cx)
+                    .read_credentials(&api_url, cx)
                     .await?
                     .ok_or(AuthenticateError::CredentialsNotFound)?;
                 (
@@ -306,7 +306,12 @@ impl LanguageModelProvider for OpenRouterLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
             .into()
     }
@@ -855,7 +860,7 @@ impl Render for ConfigurationView {
             v_flex()
                 .size_full()
                 .on_action(cx.listener(Self::save_api_key))
-                .child(Label::new("To use Zed's assistant with OpenRouter, you need to add an API key. Follow these steps:"))
+                .child(Label::new("To use Zed's agent with OpenRouter, you need to add an API key. Follow these steps:"))
                 .child(
                     List::new()
                         .child(InstructionListItem::new(
diff --git a/crates/language_models/src/provider/vercel.rs b/crates/language_models/src/provider/vercel.rs
index 037ce467d0..84f3175d1e 100644
--- a/crates/language_models/src/provider/vercel.rs
+++ b/crates/language_models/src/provider/vercel.rs
@@ -71,7 +71,7 @@ impl State {
         };
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .delete_credentials(&api_url, &cx)
+                .delete_credentials(&api_url, cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -92,7 +92,7 @@ impl State {
         };
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
+                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -119,7 +119,7 @@ impl State {
                 (api_key, true)
             } else {
                 let (_, api_key) = credentials_provider
-                    .read_credentials(&api_url, &cx)
+                    .read_credentials(&api_url, cx)
                     .await?
                     .ok_or(AuthenticateError::CredentialsNotFound)?;
                 (
@@ -230,7 +230,12 @@ impl LanguageModelProvider for VercelLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
             .into()
     }
@@ -355,7 +360,9 @@ impl LanguageModel for VercelLanguageModel {
             request,
             self.model.id(),
             self.model.supports_parallel_tool_calls(),
+            self.model.supports_prompt_cache_key(),
             self.max_output_tokens(),
+            None,
         );
         let completions = self.stream_completion(request, cx);
         async move {
diff --git a/crates/language_models/src/provider/x_ai.rs b/crates/language_models/src/provider/x_ai.rs
index 5f6034571b..b37a55e19f 100644
--- a/crates/language_models/src/provider/x_ai.rs
+++ b/crates/language_models/src/provider/x_ai.rs
@@ -71,7 +71,7 @@ impl State {
         };
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .delete_credentials(&api_url, &cx)
+                .delete_credentials(&api_url, cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -92,7 +92,7 @@ impl State {
         };
         cx.spawn(async move |this, cx| {
             credentials_provider
-                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
+                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), cx)
                 .await
                 .log_err();
             this.update(cx, |this, cx| {
@@ -119,7 +119,7 @@ impl State {
                 (api_key, true)
             } else {
                 let (_, api_key) = credentials_provider
-                    .read_credentials(&api_url, &cx)
+                    .read_credentials(&api_url, cx)
                     .await?
                     .ok_or(AuthenticateError::CredentialsNotFound)?;
                 (
@@ -230,7 +230,12 @@ impl LanguageModelProvider for XAiLanguageModelProvider {
         self.state.update(cx, |state, cx| state.authenticate(cx))
     }
 
-    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
+    fn configuration_view(
+        &self,
+        _target_agent: language_model::ConfigurationViewTargetAgent,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyView {
         cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
             .into()
     }
@@ -359,7 +364,9 @@ impl LanguageModel for XAiLanguageModel {
             request,
             self.model.id(),
             self.model.supports_parallel_tool_calls(),
+            self.model.supports_prompt_cache_key(),
             self.max_output_tokens(),
+            None,
         );
         let completions = self.stream_completion(request, cx);
         async move {
diff --git a/crates/language_models/src/ui/instruction_list_item.rs b/crates/language_models/src/ui/instruction_list_item.rs
index 794a85b400..bdb5fbe242 100644
--- a/crates/language_models/src/ui/instruction_list_item.rs
+++ b/crates/language_models/src/ui/instruction_list_item.rs
@@ -37,7 +37,7 @@ impl IntoElement for InstructionListItem {
         let item_content = if let (Some(button_label), Some(button_link)) =
             (self.button_label, self.button_link)
         {
-            let link = button_link.clone();
+            let link = button_link;
             let unique_id = SharedString::from(format!("{}-button", self.label));
 
             h_flex()
@@ -47,7 +47,7 @@ impl IntoElement for InstructionListItem {
                     Button::new(unique_id, button_label)
                         .style(ButtonStyle::Subtle)
                         .icon(IconName::ArrowUpRight)
-                        .icon_size(IconSize::XSmall)
+                        .icon_size(IconSize::Small)
                         .icon_color(Color::Muted)
                         .on_click(move |_, _window, cx| cx.open_url(&link)),
                 )
diff --git a/crates/language_selector/src/active_buffer_language.rs b/crates/language_selector/src/active_buffer_language.rs
index 250d0c23d8..56924c4cd2 100644
--- a/crates/language_selector/src/active_buffer_language.rs
+++ b/crates/language_selector/src/active_buffer_language.rs
@@ -1,8 +1,9 @@
-use editor::Editor;
+use editor::{Editor, EditorSettings};
 use gpui::{
     Context, Entity, IntoElement, ParentElement, Render, Subscription, WeakEntity, Window, div,
 };
 use language::LanguageName;
+use settings::Settings as _;
 use ui::{Button, ButtonCommon, Clickable, FluentBuilder, LabelSize, Tooltip};
 use workspace::{StatusItemView, Workspace, item::ItemHandle};
 
@@ -27,10 +28,10 @@ impl ActiveBufferLanguage {
         self.active_language = Some(None);
 
         let editor = editor.read(cx);
-        if let Some((_, buffer, _)) = editor.active_excerpt(cx) {
-            if let Some(language) = buffer.read(cx).language() {
-                self.active_language = Some(Some(language.name()));
-            }
+        if let Some((_, buffer, _)) = editor.active_excerpt(cx)
+            && let Some(language) = buffer.read(cx).language()
+        {
+            self.active_language = Some(Some(language.name()));
         }
 
         cx.notify();
@@ -39,6 +40,13 @@ impl ActiveBufferLanguage {
 
 impl Render for ActiveBufferLanguage {
     fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        if !EditorSettings::get_global(cx)
+            .status_bar
+            .active_language_button
+        {
+            return div();
+        }
+
         div().when_some(self.active_language.as_ref(), |el, active_language| {
             let active_language_text = if let Some(active_language_text) = active_language {
                 active_language_text.to_string()
diff --git a/crates/language_selector/src/language_selector.rs b/crates/language_selector/src/language_selector.rs
index 4c03430553..f6e2d75015 100644
--- a/crates/language_selector/src/language_selector.rs
+++ b/crates/language_selector/src/language_selector.rs
@@ -86,7 +86,10 @@ impl LanguageSelector {
 
 impl Render for LanguageSelector {
     fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
-        v_flex().w(rems(34.)).child(self.picker.clone())
+        v_flex()
+            .key_context("LanguageSelector")
+            .w(rems(34.))
+            .child(self.picker.clone())
     }
 }
 
@@ -121,13 +124,13 @@ impl LanguageSelectorDelegate {
             .into_iter()
             .filter_map(|name| {
                 language_registry
-                    .available_language_for_name(&name)?
+                    .available_language_for_name(name.as_ref())?
                     .hidden()
                     .not()
                     .then_some(name)
             })
             .enumerate()
-            .map(|(candidate_id, name)| StringMatchCandidate::new(candidate_id, &name))
+            .map(|(candidate_id, name)| StringMatchCandidate::new(candidate_id, name.as_ref()))
             .collect::<Vec<_>>();
 
         Self {
diff --git a/crates/language_tools/src/key_context_view.rs b/crates/language_tools/src/key_context_view.rs
index 88131781ec..057259d114 100644
--- a/crates/language_tools/src/key_context_view.rs
+++ b/crates/language_tools/src/key_context_view.rs
@@ -71,12 +71,10 @@ impl KeyContextView {
                         } else {
                             None
                         }
+                    } else if this.action_matches(&e.action, binding.action()) {
+                        Some(true)
                     } else {
-                        if this.action_matches(&e.action, binding.action()) {
-                            Some(true)
-                        } else {
-                            Some(false)
-                        }
+                        Some(false)
                     };
                     let predicate = if let Some(predicate) = binding.predicate() {
                         format!("{}", predicate)
@@ -98,9 +96,7 @@ impl KeyContextView {
             cx.notify();
         });
         let sub2 = cx.observe_pending_input(window, |this, window, cx| {
-            this.pending_keystrokes = window
-                .pending_input_keystrokes()
-                .map(|k| k.iter().cloned().collect());
+            this.pending_keystrokes = window.pending_input_keystrokes().map(|k| k.to_vec());
             if this.pending_keystrokes.is_some() {
                 this.last_keystrokes.take();
             }
diff --git a/crates/language_tools/src/lsp_log.rs b/crates/language_tools/src/lsp_log.rs
index 2b0e13f4be..d5206c1f26 100644
--- a/crates/language_tools/src/lsp_log.rs
+++ b/crates/language_tools/src/lsp_log.rs
@@ -253,36 +253,36 @@ impl LogStore {
 
         let copilot_subscription = Copilot::global(cx).map(|copilot| {
             let copilot = &copilot;
-            cx.subscribe(copilot, |this, copilot, inline_completion_event, cx| {
-                if let copilot::Event::CopilotLanguageServerStarted = inline_completion_event {
-                    if let Some(server) = copilot.read(cx).language_server() {
-                        let server_id = server.server_id();
-                        let weak_this = cx.weak_entity();
-                        this.copilot_log_subscription =
-                            Some(server.on_notification::<copilot::request::LogMessage, _>(
-                                move |params, cx| {
-                                    weak_this
-                                        .update(cx, |this, cx| {
-                                            this.add_language_server_log(
-                                                server_id,
-                                                MessageType::LOG,
-                                                &params.message,
-                                                cx,
-                                            );
-                                        })
-                                        .ok();
-                                },
-                            ));
-                        let name = LanguageServerName::new_static("copilot");
-                        this.add_language_server(
-                            LanguageServerKind::Global,
-                            server.server_id(),
-                            Some(name),
-                            None,
-                            Some(server.clone()),
-                            cx,
-                        );
-                    }
+            cx.subscribe(copilot, |this, copilot, edit_prediction_event, cx| {
+                if let copilot::Event::CopilotLanguageServerStarted = edit_prediction_event
+                    && let Some(server) = copilot.read(cx).language_server()
+                {
+                    let server_id = server.server_id();
+                    let weak_this = cx.weak_entity();
+                    this.copilot_log_subscription =
+                        Some(server.on_notification::<copilot::request::LogMessage, _>(
+                            move |params, cx| {
+                                weak_this
+                                    .update(cx, |this, cx| {
+                                        this.add_language_server_log(
+                                            server_id,
+                                            MessageType::LOG,
+                                            &params.message,
+                                            cx,
+                                        );
+                                    })
+                                    .ok();
+                            },
+                        ));
+                    let name = LanguageServerName::new_static("copilot");
+                    this.add_language_server(
+                        LanguageServerKind::Global,
+                        server.server_id(),
+                        Some(name),
+                        None,
+                        Some(server.clone()),
+                        cx,
+                    );
                 }
             })
         });
@@ -406,10 +406,7 @@ impl LogStore {
             server_state.worktree_id = Some(worktree_id);
         }
 
-        if let Some(server) = server
-            .clone()
-            .filter(|_| server_state.io_logs_subscription.is_none())
-        {
+        if let Some(server) = server.filter(|_| server_state.io_logs_subscription.is_none()) {
             let io_tx = self.io_tx.clone();
             let server_id = server.server_id();
             server_state.io_logs_subscription = Some(server.on_io(move |io_kind, message| {
@@ -661,7 +658,7 @@ impl LogStore {
             IoKind::StdOut => true,
             IoKind::StdIn => false,
             IoKind::StdErr => {
-                self.add_language_server_log(language_server_id, MessageType::LOG, &message, cx);
+                self.add_language_server_log(language_server_id, MessageType::LOG, message, cx);
                 return Some(());
             }
         };
@@ -733,16 +730,14 @@ impl LspLogView {
                 let first_server_id_for_project =
                     store.read(cx).server_ids_for_project(&weak_project).next();
                 if let Some(current_lsp) = this.current_server_id {
-                    if !store.read(cx).language_servers.contains_key(&current_lsp) {
-                        if let Some(server_id) = first_server_id_for_project {
-                            match this.active_entry_kind {
-                                LogKind::Rpc => {
-                                    this.show_rpc_trace_for_server(server_id, window, cx)
-                                }
-                                LogKind::Trace => this.show_trace_for_server(server_id, window, cx),
-                                LogKind::Logs => this.show_logs_for_server(server_id, window, cx),
-                                LogKind::ServerInfo => this.show_server_info(server_id, window, cx),
-                            }
+                    if !store.read(cx).language_servers.contains_key(&current_lsp)
+                        && let Some(server_id) = first_server_id_for_project
+                    {
+                        match this.active_entry_kind {
+                            LogKind::Rpc => this.show_rpc_trace_for_server(server_id, window, cx),
+                            LogKind::Trace => this.show_trace_for_server(server_id, window, cx),
+                            LogKind::Logs => this.show_logs_for_server(server_id, window, cx),
+                            LogKind::ServerInfo => this.show_server_info(server_id, window, cx),
                         }
                     }
                 } else if let Some(server_id) = first_server_id_for_project {
@@ -776,21 +771,17 @@ impl LspLogView {
                                 ],
                                 cx,
                             );
-                            if text.len() > 1024 {
-                                if let Some((fold_offset, _)) =
+                            if text.len() > 1024
+                                && let Some((fold_offset, _)) =
                                     text.char_indices().dropping(1024).next()
-                                {
-                                    if fold_offset < text.len() {
-                                        editor.fold_ranges(
-                                            vec![
-                                                last_offset + fold_offset..last_offset + text.len(),
-                                            ],
-                                            false,
-                                            window,
-                                            cx,
-                                        );
-                                    }
-                                }
+                                && fold_offset < text.len()
+                            {
+                                editor.fold_ranges(
+                                    vec![last_offset + fold_offset..last_offset + text.len()],
+                                    false,
+                                    window,
+                                    cx,
+                                );
                             }
 
                             if newest_cursor_is_at_end {
@@ -936,7 +927,7 @@ impl LspLogView {
                         let state = log_store.language_servers.get(&server_id)?;
                         Some(LogMenuItem {
                             server_id,
-                            server_name: name.clone(),
+                            server_name: name,
                             server_kind: state.kind.clone(),
                             worktree_root_name: "supplementary".to_string(),
                             rpc_trace_enabled: state.rpc_state.is_some(),
@@ -1311,14 +1302,14 @@ impl ToolbarItemView for LspLogToolbarItemView {
         _: &mut Window,
         cx: &mut Context<Self>,
     ) -> workspace::ToolbarItemLocation {
-        if let Some(item) = active_pane_item {
-            if let Some(log_view) = item.downcast::<LspLogView>() {
-                self.log_view = Some(log_view.clone());
-                self._log_view_subscription = Some(cx.observe(&log_view, |_, _, cx| {
-                    cx.notify();
-                }));
-                return ToolbarItemLocation::PrimaryLeft;
-            }
+        if let Some(item) = active_pane_item
+            && let Some(log_view) = item.downcast::<LspLogView>()
+        {
+            self.log_view = Some(log_view.clone());
+            self._log_view_subscription = Some(cx.observe(&log_view, |_, _, cx| {
+                cx.notify();
+            }));
+            return ToolbarItemLocation::PrimaryLeft;
         }
         self.log_view = None;
         self._log_view_subscription = None;
@@ -1358,7 +1349,7 @@ impl Render for LspLogToolbarItemView {
             })
             .collect();
 
-        let log_toolbar_view = cx.entity().clone();
+        let log_toolbar_view = cx.entity();
 
         let lsp_menu = PopoverMenu::new("LspLogView")
             .anchor(Corner::TopLeft)
@@ -1533,7 +1524,7 @@ impl Render for LspLogToolbarItemView {
                                             .icon_color(Color::Muted),
                                         )
                                         .menu({
-                                            let log_view = log_view.clone();
+                                            let log_view = log_view;
 
                                             move |window, cx| {
                                                 let id = log_view.read(cx).current_server_id?;
@@ -1601,7 +1592,7 @@ impl Render for LspLogToolbarItemView {
                                             .icon_color(Color::Muted),
                                         )
                                         .menu({
-                                            let log_view = log_view.clone();
+                                            let log_view = log_view;
 
                                             move |window, cx| {
                                                 let id = log_view.read(cx).current_server_id?;
@@ -1752,6 +1743,5 @@ pub enum Event {
 }
 
 impl EventEmitter<Event> for LogStore {}
-impl EventEmitter<Event> for LspLogView {}
 impl EventEmitter<EditorEvent> for LspLogView {}
 impl EventEmitter<SearchEvent> for LspLogView {}
diff --git a/crates/language_tools/src/lsp_tool.rs b/crates/language_tools/src/lsp_tool.rs
index a339f3b941..dd3e80212f 100644
--- a/crates/language_tools/src/lsp_tool.rs
+++ b/crates/language_tools/src/lsp_tool.rs
@@ -349,7 +349,6 @@ impl LanguageServerState {
                             .detach();
                         } else {
                             cx.propagate();
-                            return;
                         }
                     }
                 },
@@ -523,7 +522,6 @@ impl LspTool {
                 if ProjectSettings::get_global(cx).global_lsp_settings.button {
                     if lsp_tool.lsp_menu.is_none() {
                         lsp_tool.refresh_lsp_menu(true, window, cx);
-                        return;
                     }
                 } else if lsp_tool.lsp_menu.take().is_some() {
                     cx.notify();
@@ -1007,7 +1005,7 @@ impl Render for LspTool {
             (None, "All Servers Operational")
         };
 
-        let lsp_tool = cx.entity().clone();
+        let lsp_tool = cx.entity();
 
         div().child(
             PopoverMenu::new("lsp-tool")
@@ -1015,7 +1013,7 @@ impl Render for LspTool {
                 .anchor(Corner::BottomLeft)
                 .with_handle(self.popover_menu_handle.clone())
                 .trigger_with_tooltip(
-                    IconButton::new("zed-lsp-tool-button", IconName::Bolt)
+                    IconButton::new("zed-lsp-tool-button", IconName::BoltOutlined)
                         .when_some(indicator, IconButton::indicator)
                         .icon_size(IconSize::Small)
                         .indicator_border_color(Some(cx.theme().colors().status_bar_background)),
diff --git a/crates/language_tools/src/syntax_tree_view.rs b/crates/language_tools/src/syntax_tree_view.rs
index eadba2c1d2..cf84ac34c4 100644
--- a/crates/language_tools/src/syntax_tree_view.rs
+++ b/crates/language_tools/src/syntax_tree_view.rs
@@ -103,12 +103,11 @@ impl SyntaxTreeView {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(item) = active_item {
-            if item.item_id() != cx.entity_id() {
-                if let Some(editor) = item.act_as::<Editor>(cx) {
-                    self.set_editor(editor, window, cx);
-                }
-            }
+        if let Some(item) = active_item
+            && item.item_id() != cx.entity_id()
+            && let Some(editor) = item.act_as::<Editor>(cx)
+        {
+            self.set_editor(editor, window, cx);
         }
     }
 
@@ -157,7 +156,7 @@ impl SyntaxTreeView {
                 .buffer_snapshot
                 .range_to_buffer_ranges(selection_range)
                 .pop()?;
-            let buffer = multi_buffer.buffer(buffer.remote_id()).unwrap().clone();
+            let buffer = multi_buffer.buffer(buffer.remote_id()).unwrap();
             Some((buffer, range, excerpt_id))
         })?;
 
@@ -456,7 +455,7 @@ impl SyntaxTreeToolbarItemView {
         let active_layer = buffer_state.active_layer.clone()?;
         let active_buffer = buffer_state.buffer.read(cx).snapshot();
 
-        let view = cx.entity().clone();
+        let view = cx.entity();
         Some(
             PopoverMenu::new("Syntax Tree")
                 .trigger(Self::render_header(&active_layer))
@@ -537,12 +536,12 @@ impl ToolbarItemView for SyntaxTreeToolbarItemView {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> ToolbarItemLocation {
-        if let Some(item) = active_pane_item {
-            if let Some(view) = item.downcast::<SyntaxTreeView>() {
-                self.tree_view = Some(view.clone());
-                self.subscription = Some(cx.observe_in(&view, window, |_, _, _, cx| cx.notify()));
-                return ToolbarItemLocation::PrimaryLeft;
-            }
+        if let Some(item) = active_pane_item
+            && let Some(view) = item.downcast::<SyntaxTreeView>()
+        {
+            self.tree_view = Some(view.clone());
+            self.subscription = Some(cx.observe_in(&view, window, |_, _, _, cx| cx.notify()));
+            return ToolbarItemLocation::PrimaryLeft;
         }
         self.tree_view = None;
         self.subscription = None;
diff --git a/crates/languages/Cargo.toml b/crates/languages/Cargo.toml
index 260126da63..8e25818070 100644
--- a/crates/languages/Cargo.toml
+++ b/crates/languages/Cargo.toml
@@ -36,6 +36,7 @@ load-grammars = [
 [dependencies]
 anyhow.workspace = true
 async-compression.workspace = true
+async-fs.workspace = true
 async-tar.workspace = true
 async-trait.workspace = true
 chrono.workspace = true
@@ -62,6 +63,7 @@ regex.workspace = true
 rope.workspace = true
 rust-embed.workspace = true
 schemars.workspace = true
+sha2.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 serde_json_lenient.workspace = true
@@ -69,6 +71,7 @@ settings.workspace = true
 smol.workspace = true
 snippet_provider.workspace = true
 task.workspace = true
+tempfile.workspace = true
 toml.workspace = true
 tree-sitter = { workspace = true, optional = true }
 tree-sitter-bash = { workspace = true, optional = true }
diff --git a/crates/languages/src/bash/overrides.scm b/crates/languages/src/bash/overrides.scm
new file mode 100644
index 0000000000..81fec9a5f5
--- /dev/null
+++ b/crates/languages/src/bash/overrides.scm
@@ -0,0 +1,2 @@
+(comment) @comment.inclusive
+(string) @string
diff --git a/crates/languages/src/c.rs b/crates/languages/src/c.rs
index c06c35ee69..2820f55a49 100644
--- a/crates/languages/src/c.rs
+++ b/crates/languages/src/c.rs
@@ -2,14 +2,16 @@ use anyhow::{Context as _, Result, bail};
 use async_trait::async_trait;
 use futures::StreamExt;
 use gpui::{App, AsyncApp};
-use http_client::github::{GitHubLspBinaryVersion, latest_github_release};
+use http_client::github::{AssetKind, GitHubLspBinaryVersion, latest_github_release};
 pub use language::*;
 use lsp::{InitializeParams, LanguageServerBinary, LanguageServerName};
 use project::lsp_store::clangd_ext;
 use serde_json::json;
 use smol::fs;
 use std::{any::Any, env::consts, path::PathBuf, sync::Arc};
-use util::{ResultExt, archive::extract_zip, fs::remove_matching, maybe, merge_json_value_into};
+use util::{ResultExt, fs::remove_matching, maybe, merge_json_value_into};
+
+use crate::github_download::{GithubBinaryMetadata, download_server_binary};
 
 pub struct CLspAdapter;
 
@@ -20,13 +22,13 @@ impl CLspAdapter {
 #[async_trait(?Send)]
 impl super::LspAdapter for CLspAdapter {
     fn name(&self) -> LanguageServerName {
-        Self::SERVER_NAME.clone()
+        Self::SERVER_NAME
     }
 
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         let path = delegate.which(Self::SERVER_NAME.as_ref()).await?;
@@ -58,6 +60,7 @@ impl super::LspAdapter for CLspAdapter {
         let version = GitHubLspBinaryVersion {
             name: release.tag_name,
             url: asset.browser_download_url.clone(),
+            digest: asset.digest.clone(),
         };
         Ok(Box::new(version) as Box<_>)
     }
@@ -68,32 +71,72 @@ impl super::LspAdapter for CLspAdapter {
         container_dir: PathBuf,
         delegate: &dyn LspAdapterDelegate,
     ) -> Result<LanguageServerBinary> {
-        let version = version.downcast::<GitHubLspBinaryVersion>().unwrap();
-        let version_dir = container_dir.join(format!("clangd_{}", version.name));
+        let GitHubLspBinaryVersion {
+            name,
+            url,
+            digest: expected_digest,
+        } = *version.downcast::<GitHubLspBinaryVersion>().unwrap();
+        let version_dir = container_dir.join(format!("clangd_{name}"));
         let binary_path = version_dir.join("bin/clangd");
 
-        if fs::metadata(&binary_path).await.is_err() {
-            let mut response = delegate
-                .http_client()
-                .get(&version.url, Default::default(), true)
-                .await
-                .context("error downloading release")?;
-            anyhow::ensure!(
-                response.status().is_success(),
-                "download failed with status {}",
-                response.status().to_string()
-            );
-            extract_zip(&container_dir, response.body_mut())
-                .await
-                .with_context(|| format!("unzipping clangd archive to {container_dir:?}"))?;
-            remove_matching(&container_dir, |entry| entry != version_dir).await;
-        }
-
-        Ok(LanguageServerBinary {
-            path: binary_path,
+        let binary = LanguageServerBinary {
+            path: binary_path.clone(),
             env: None,
-            arguments: Vec::new(),
-        })
+            arguments: Default::default(),
+        };
+
+        let metadata_path = version_dir.join("metadata");
+        let metadata = GithubBinaryMetadata::read_from_file(&metadata_path)
+            .await
+            .ok();
+        if let Some(metadata) = metadata {
+            let validity_check = async || {
+                delegate
+                    .try_exec(LanguageServerBinary {
+                        path: binary_path.clone(),
+                        arguments: vec!["--version".into()],
+                        env: None,
+                    })
+                    .await
+                    .inspect_err(|err| {
+                        log::warn!("Unable to run {binary_path:?} asset, redownloading: {err}",)
+                    })
+            };
+            if let (Some(actual_digest), Some(expected_digest)) =
+                (&metadata.digest, &expected_digest)
+            {
+                if actual_digest == expected_digest {
+                    if validity_check().await.is_ok() {
+                        return Ok(binary);
+                    }
+                } else {
+                    log::info!(
+                        "SHA-256 mismatch for {binary_path:?} asset, downloading new asset. Expected: {expected_digest}, Got: {actual_digest}"
+                    );
+                }
+            } else if validity_check().await.is_ok() {
+                return Ok(binary);
+            }
+        }
+        download_server_binary(
+            delegate,
+            &url,
+            expected_digest.as_deref(),
+            &container_dir,
+            AssetKind::Zip,
+        )
+        .await?;
+        remove_matching(&container_dir, |entry| entry != version_dir).await;
+        GithubBinaryMetadata::write_to_file(
+            &GithubBinaryMetadata {
+                metadata_version: 1,
+                digest: expected_digest,
+            },
+            &metadata_path,
+        )
+        .await?;
+
+        Ok(binary)
     }
 
     async fn cached_server_binary(
@@ -210,8 +253,7 @@ impl super::LspAdapter for CLspAdapter {
                     .grammar()
                     .and_then(|g| g.highlight_id_for_name(highlight_name?))
                 {
-                    let mut label =
-                        CodeLabel::plain(label.to_string(), completion.filter_text.as_deref());
+                    let mut label = CodeLabel::plain(label, completion.filter_text.as_deref());
                     label.runs.push((
                         0..label.text.rfind('(').unwrap_or(label.text.len()),
                         highlight_id,
@@ -221,10 +263,7 @@ impl super::LspAdapter for CLspAdapter {
             }
             _ => {}
         }
-        Some(CodeLabel::plain(
-            label.to_string(),
-            completion.filter_text.as_deref(),
-        ))
+        Some(CodeLabel::plain(label, completion.filter_text.as_deref()))
     }
 
     async fn label_for_symbol(
diff --git a/crates/languages/src/cpp/config.toml b/crates/languages/src/cpp/config.toml
index fab88266d7..7e24415f9d 100644
--- a/crates/languages/src/cpp/config.toml
+++ b/crates/languages/src/cpp/config.toml
@@ -1,6 +1,6 @@
 name = "C++"
 grammar = "cpp"
-path_suffixes = ["cc", "hh", "cpp", "h", "hpp", "cxx", "hxx", "c++", "ipp", "inl", "ixx", "cu", "cuh", "C", "H"]
+path_suffixes = ["cc", "hh", "cpp", "h", "hpp", "cxx", "hxx", "c++", "ipp", "inl", "ino", "ixx", "cu", "cuh", "C", "H"]
 line_comments = ["// ", "/// ", "//! "]
 decrease_indent_patterns = [
   { pattern = "^\\s*\\{.*\\}?\\s*$", valid_after = ["if", "for", "while", "do", "switch", "else"] },
diff --git a/crates/languages/src/cpp/outline.scm b/crates/languages/src/cpp/outline.scm
index 448fe35220..c897366558 100644
--- a/crates/languages/src/cpp/outline.scm
+++ b/crates/languages/src/cpp/outline.scm
@@ -149,7 +149,9 @@
                 parameters: (parameter_list
                     "(" @context
                     ")" @context)))
-    ]
-    (type_qualifier)? @context) @item
+    ; Fields declarations may define multiple fields, and so @item is on the
+    ; declarator so they each get distinct ranges.
+    ] @item
+    (type_qualifier)? @context)
 
 (comment) @annotation
diff --git a/crates/languages/src/css.rs b/crates/languages/src/css.rs
index f2a94809a0..2480d40268 100644
--- a/crates/languages/src/css.rs
+++ b/crates/languages/src/css.rs
@@ -2,10 +2,10 @@ use anyhow::{Context as _, Result};
 use async_trait::async_trait;
 use futures::StreamExt;
 use gpui::AsyncApp;
-use language::{LanguageToolchainStore, LspAdapter, LspAdapterDelegate};
+use language::{LspAdapter, LspAdapterDelegate, Toolchain};
 use lsp::{LanguageServerBinary, LanguageServerName};
-use node_runtime::NodeRuntime;
-use project::Fs;
+use node_runtime::{NodeRuntime, VersionStrategy};
+use project::{Fs, lsp_store::language_server_settings};
 use serde_json::json;
 use smol::fs;
 use std::{
@@ -14,7 +14,7 @@ use std::{
     path::{Path, PathBuf},
     sync::Arc,
 };
-use util::{ResultExt, maybe};
+use util::{ResultExt, maybe, merge_json_value_into};
 
 const SERVER_PATH: &str =
     "node_modules/vscode-langservers-extracted/bin/vscode-css-language-server";
@@ -43,7 +43,7 @@ impl LspAdapter for CssLspAdapter {
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         let path = delegate
@@ -103,7 +103,12 @@ impl LspAdapter for CssLspAdapter {
 
         let should_install_language_server = self
             .node
-            .should_install_npm_package(Self::PACKAGE_NAME, &server_path, &container_dir, &version)
+            .should_install_npm_package(
+                Self::PACKAGE_NAME,
+                &server_path,
+                container_dir,
+                VersionStrategy::Latest(version),
+            )
             .await;
 
         if should_install_language_server {
@@ -134,6 +139,37 @@ impl LspAdapter for CssLspAdapter {
             "provideFormatter": true
         })))
     }
+
+    async fn workspace_configuration(
+        self: Arc<Self>,
+        _: &dyn Fs,
+        delegate: &Arc<dyn LspAdapterDelegate>,
+        _: Option<Toolchain>,
+        cx: &mut AsyncApp,
+    ) -> Result<serde_json::Value> {
+        let mut default_config = json!({
+            "css": {
+                "lint": {}
+            },
+            "less": {
+                "lint": {}
+            },
+            "scss": {
+                "lint": {}
+            }
+        });
+
+        let project_options = cx.update(|cx| {
+            language_server_settings(delegate.as_ref(), &self.name(), cx)
+                .and_then(|s| s.settings.clone())
+        })?;
+
+        if let Some(override_options) = project_options {
+            merge_json_value_into(override_options, &mut default_config);
+        }
+
+        Ok(default_config)
+    }
 }
 
 async fn get_cached_server_binary(
diff --git a/crates/languages/src/github_download.rs b/crates/languages/src/github_download.rs
new file mode 100644
index 0000000000..766c894fbb
--- /dev/null
+++ b/crates/languages/src/github_download.rs
@@ -0,0 +1,190 @@
+use std::{path::Path, pin::Pin, task::Poll};
+
+use anyhow::{Context, Result};
+use async_compression::futures::bufread::GzipDecoder;
+use futures::{AsyncRead, AsyncSeek, AsyncSeekExt, AsyncWrite, io::BufReader};
+use http_client::github::AssetKind;
+use language::LspAdapterDelegate;
+use sha2::{Digest, Sha256};
+
+#[derive(serde::Deserialize, serde::Serialize, Debug)]
+pub(crate) struct GithubBinaryMetadata {
+    pub(crate) metadata_version: u64,
+    pub(crate) digest: Option<String>,
+}
+
+impl GithubBinaryMetadata {
+    pub(crate) async fn read_from_file(metadata_path: &Path) -> Result<GithubBinaryMetadata> {
+        let metadata_content = async_fs::read_to_string(metadata_path)
+            .await
+            .with_context(|| format!("reading metadata file at {metadata_path:?}"))?;
+        serde_json::from_str(&metadata_content)
+            .with_context(|| format!("parsing metadata file at {metadata_path:?}"))
+    }
+
+    pub(crate) async fn write_to_file(&self, metadata_path: &Path) -> Result<()> {
+        let metadata_content = serde_json::to_string(self)
+            .with_context(|| format!("serializing metadata for {metadata_path:?}"))?;
+        async_fs::write(metadata_path, metadata_content.as_bytes())
+            .await
+            .with_context(|| format!("writing metadata file at {metadata_path:?}"))?;
+        Ok(())
+    }
+}
+
+pub(crate) async fn download_server_binary(
+    delegate: &dyn LspAdapterDelegate,
+    url: &str,
+    digest: Option<&str>,
+    destination_path: &Path,
+    asset_kind: AssetKind,
+) -> Result<(), anyhow::Error> {
+    log::info!("downloading github artifact from {url}");
+    let mut response = delegate
+        .http_client()
+        .get(url, Default::default(), true)
+        .await
+        .with_context(|| format!("downloading release from {url}"))?;
+    let body = response.body_mut();
+    match digest {
+        Some(expected_sha_256) => {
+            let temp_asset_file = tempfile::NamedTempFile::new()
+                .with_context(|| format!("creating a temporary file for {url}"))?;
+            let (temp_asset_file, _temp_guard) = temp_asset_file.into_parts();
+            let mut writer = HashingWriter {
+                writer: async_fs::File::from(temp_asset_file),
+                hasher: Sha256::new(),
+            };
+            futures::io::copy(&mut BufReader::new(body), &mut writer)
+                .await
+                .with_context(|| {
+                    format!("saving archive contents into the temporary file for {url}",)
+                })?;
+            let asset_sha_256 = format!("{:x}", writer.hasher.finalize());
+
+            anyhow::ensure!(
+                asset_sha_256 == expected_sha_256,
+                "{url} asset got SHA-256 mismatch. Expected: {expected_sha_256}, Got: {asset_sha_256}",
+            );
+            writer
+                .writer
+                .seek(std::io::SeekFrom::Start(0))
+                .await
+                .with_context(|| format!("seeking temporary file {destination_path:?}",))?;
+            stream_file_archive(&mut writer.writer, url, destination_path, asset_kind)
+                .await
+                .with_context(|| {
+                    format!("extracting downloaded asset for {url} into {destination_path:?}",)
+                })?;
+        }
+        None => stream_response_archive(body, url, destination_path, asset_kind)
+            .await
+            .with_context(|| {
+                format!("extracting response for asset {url} into {destination_path:?}",)
+            })?,
+    }
+    Ok(())
+}
+
+async fn stream_response_archive(
+    response: impl AsyncRead + Unpin,
+    url: &str,
+    destination_path: &Path,
+    asset_kind: AssetKind,
+) -> Result<()> {
+    match asset_kind {
+        AssetKind::TarGz => extract_tar_gz(destination_path, url, response).await?,
+        AssetKind::Gz => extract_gz(destination_path, url, response).await?,
+        AssetKind::Zip => {
+            util::archive::extract_zip(destination_path, response).await?;
+        }
+    };
+    Ok(())
+}
+
+async fn stream_file_archive(
+    file_archive: impl AsyncRead + AsyncSeek + Unpin,
+    url: &str,
+    destination_path: &Path,
+    asset_kind: AssetKind,
+) -> Result<()> {
+    match asset_kind {
+        AssetKind::TarGz => extract_tar_gz(destination_path, url, file_archive).await?,
+        AssetKind::Gz => extract_gz(destination_path, url, file_archive).await?,
+        #[cfg(not(windows))]
+        AssetKind::Zip => {
+            util::archive::extract_seekable_zip(destination_path, file_archive).await?;
+        }
+        #[cfg(windows)]
+        AssetKind::Zip => {
+            util::archive::extract_zip(destination_path, file_archive).await?;
+        }
+    };
+    Ok(())
+}
+
+async fn extract_tar_gz(
+    destination_path: &Path,
+    url: &str,
+    from: impl AsyncRead + Unpin,
+) -> Result<(), anyhow::Error> {
+    let decompressed_bytes = GzipDecoder::new(BufReader::new(from));
+    let archive = async_tar::Archive::new(decompressed_bytes);
+    archive
+        .unpack(&destination_path)
+        .await
+        .with_context(|| format!("extracting {url} to {destination_path:?}"))?;
+    Ok(())
+}
+
+async fn extract_gz(
+    destination_path: &Path,
+    url: &str,
+    from: impl AsyncRead + Unpin,
+) -> Result<(), anyhow::Error> {
+    let mut decompressed_bytes = GzipDecoder::new(BufReader::new(from));
+    let mut file = smol::fs::File::create(&destination_path)
+        .await
+        .with_context(|| {
+            format!("creating a file {destination_path:?} for a download from {url}")
+        })?;
+    futures::io::copy(&mut decompressed_bytes, &mut file)
+        .await
+        .with_context(|| format!("extracting {url} to {destination_path:?}"))?;
+    Ok(())
+}
+
+struct HashingWriter<W: AsyncWrite + Unpin> {
+    writer: W,
+    hasher: Sha256,
+}
+
+impl<W: AsyncWrite + Unpin> AsyncWrite for HashingWriter<W> {
+    fn poll_write(
+        mut self: Pin<&mut Self>,
+        cx: &mut std::task::Context<'_>,
+        buf: &[u8],
+    ) -> Poll<std::result::Result<usize, std::io::Error>> {
+        match Pin::new(&mut self.writer).poll_write(cx, buf) {
+            Poll::Ready(Ok(n)) => {
+                self.hasher.update(&buf[..n]);
+                Poll::Ready(Ok(n))
+            }
+            other => other,
+        }
+    }
+
+    fn poll_flush(
+        mut self: Pin<&mut Self>,
+        cx: &mut std::task::Context<'_>,
+    ) -> Poll<Result<(), std::io::Error>> {
+        Pin::new(&mut self.writer).poll_flush(cx)
+    }
+
+    fn poll_close(
+        mut self: Pin<&mut Self>,
+        cx: &mut std::task::Context<'_>,
+    ) -> Poll<std::result::Result<(), std::io::Error>> {
+        Pin::new(&mut self.writer).poll_close(cx)
+    }
+}
diff --git a/crates/languages/src/go.rs b/crates/languages/src/go.rs
index 16c1b67203..24e2ca2f56 100644
--- a/crates/languages/src/go.rs
+++ b/crates/languages/src/go.rs
@@ -53,7 +53,7 @@ const BINARY: &str = if cfg!(target_os = "windows") {
 #[async_trait(?Send)]
 impl super::LspAdapter for GoLspAdapter {
     fn name(&self) -> LanguageServerName {
-        Self::SERVER_NAME.clone()
+        Self::SERVER_NAME
     }
 
     async fn fetch_latest_server_version(
@@ -75,7 +75,7 @@ impl super::LspAdapter for GoLspAdapter {
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         let path = delegate.which(Self::SERVER_NAME.as_ref()).await?;
@@ -131,19 +131,19 @@ impl super::LspAdapter for GoLspAdapter {
 
         if let Some(version) = *version {
             let binary_path = container_dir.join(format!("gopls_{version}_go_{go_version}"));
-            if let Ok(metadata) = fs::metadata(&binary_path).await {
-                if metadata.is_file() {
-                    remove_matching(&container_dir, |entry| {
-                        entry != binary_path && entry.file_name() != Some(OsStr::new("gobin"))
-                    })
-                    .await;
+            if let Ok(metadata) = fs::metadata(&binary_path).await
+                && metadata.is_file()
+            {
+                remove_matching(&container_dir, |entry| {
+                    entry != binary_path && entry.file_name() != Some(OsStr::new("gobin"))
+                })
+                .await;
 
-                    return Ok(LanguageServerBinary {
-                        path: binary_path.to_path_buf(),
-                        arguments: server_binary_arguments(),
-                        env: None,
-                    });
-                }
+                return Ok(LanguageServerBinary {
+                    path: binary_path.to_path_buf(),
+                    arguments: server_binary_arguments(),
+                    env: None,
+                });
             }
         } else if let Some(path) = this
             .cached_server_binary(container_dir.clone(), delegate)
@@ -452,7 +452,7 @@ async fn get_cached_server_binary(container_dir: PathBuf) -> Option<LanguageServ
                 && entry
                     .file_name()
                     .to_str()
-                    .map_or(false, |name| name.starts_with("gopls_"))
+                    .is_some_and(|name| name.starts_with("gopls_"))
             {
                 last_binary_path = Some(entry.path());
             }
@@ -487,6 +487,8 @@ const GO_MODULE_ROOT_TASK_VARIABLE: VariableName =
     VariableName::Custom(Cow::Borrowed("GO_MODULE_ROOT"));
 const GO_SUBTEST_NAME_TASK_VARIABLE: VariableName =
     VariableName::Custom(Cow::Borrowed("GO_SUBTEST_NAME"));
+const GO_TABLE_TEST_CASE_NAME_TASK_VARIABLE: VariableName =
+    VariableName::Custom(Cow::Borrowed("GO_TABLE_TEST_CASE_NAME"));
 
 impl ContextProvider for GoContextProvider {
     fn build_context(
@@ -523,7 +525,7 @@ impl ContextProvider for GoContextProvider {
                     })
                     .unwrap_or_else(|| format!("{}", buffer_dir.to_string_lossy()));
 
-                (GO_PACKAGE_TASK_VARIABLE.clone(), package_name.to_string())
+                (GO_PACKAGE_TASK_VARIABLE.clone(), package_name)
             });
 
         let go_module_root_variable = local_abs_path
@@ -545,10 +547,19 @@ impl ContextProvider for GoContextProvider {
         let go_subtest_variable = extract_subtest_name(_subtest_name.unwrap_or(""))
             .map(|subtest_name| (GO_SUBTEST_NAME_TASK_VARIABLE.clone(), subtest_name));
 
+        let table_test_case_name = variables.get(&VariableName::Custom(Cow::Borrowed(
+            "_table_test_case_name",
+        )));
+
+        let go_table_test_case_variable = table_test_case_name
+            .and_then(extract_subtest_name)
+            .map(|case_name| (GO_TABLE_TEST_CASE_NAME_TASK_VARIABLE.clone(), case_name));
+
         Task::ready(Ok(TaskVariables::from_iter(
             [
                 go_package_variable,
                 go_subtest_variable,
+                go_table_test_case_variable,
                 go_module_root_variable,
             ]
             .into_iter()
@@ -570,6 +581,28 @@ impl ContextProvider for GoContextProvider {
         let module_cwd = Some(GO_MODULE_ROOT_TASK_VARIABLE.template_value());
 
         Task::ready(Some(TaskTemplates(vec![
+            TaskTemplate {
+                label: format!(
+                    "go test {} -v -run {}/{}",
+                    GO_PACKAGE_TASK_VARIABLE.template_value(),
+                    VariableName::Symbol.template_value(),
+                    GO_TABLE_TEST_CASE_NAME_TASK_VARIABLE.template_value(),
+                ),
+                command: "go".into(),
+                args: vec![
+                    "test".into(),
+                    "-v".into(),
+                    "-run".into(),
+                    format!(
+                        "\\^{}\\$/\\^{}\\$",
+                        VariableName::Symbol.template_value(),
+                        GO_TABLE_TEST_CASE_NAME_TASK_VARIABLE.template_value(),
+                    ),
+                ],
+                cwd: package_cwd.clone(),
+                tags: vec!["go-table-test-case".to_owned()],
+                ..TaskTemplate::default()
+            },
             TaskTemplate {
                 label: format!(
                     "go test {} -run {}",
@@ -669,7 +702,7 @@ impl ContextProvider for GoContextProvider {
                 label: format!("go generate {}", GO_PACKAGE_TASK_VARIABLE.template_value()),
                 command: "go".into(),
                 args: vec!["generate".into()],
-                cwd: package_cwd.clone(),
+                cwd: package_cwd,
                 tags: vec!["go-generate".to_owned()],
                 ..TaskTemplate::default()
             },
@@ -677,7 +710,7 @@ impl ContextProvider for GoContextProvider {
                 label: "go generate ./...".into(),
                 command: "go".into(),
                 args: vec!["generate".into(), "./...".into()],
-                cwd: module_cwd.clone(),
+                cwd: module_cwd,
                 ..TaskTemplate::default()
             },
         ])))
@@ -842,10 +875,21 @@ mod tests {
                 .collect()
         });
 
+        let tag_strings: Vec<String> = runnables
+            .iter()
+            .flat_map(|r| &r.runnable.tags)
+            .map(|tag| tag.0.to_string())
+            .collect();
+
         assert!(
-            runnables.len() == 2,
-            "Should find test function and subtest with double quotes, found: {}",
-            runnables.len()
+            tag_strings.contains(&"go-test".to_string()),
+            "Should find go-test tag, found: {:?}",
+            tag_strings
+        );
+        assert!(
+            tag_strings.contains(&"go-subtest".to_string()),
+            "Should find go-subtest tag, found: {:?}",
+            tag_strings
         );
 
         let buffer = cx.new(|cx| {
@@ -860,10 +904,299 @@ mod tests {
                 .collect()
         });
 
+        let tag_strings: Vec<String> = runnables
+            .iter()
+            .flat_map(|r| &r.runnable.tags)
+            .map(|tag| tag.0.to_string())
+            .collect();
+
         assert!(
-            runnables.len() == 2,
-            "Should find test function and subtest with backticks, found: {}",
-            runnables.len()
+            tag_strings.contains(&"go-test".to_string()),
+            "Should find go-test tag, found: {:?}",
+            tag_strings
+        );
+        assert!(
+            tag_strings.contains(&"go-subtest".to_string()),
+            "Should find go-subtest tag, found: {:?}",
+            tag_strings
+        );
+    }
+
+    #[gpui::test]
+    fn test_go_table_test_slice_detection(cx: &mut TestAppContext) {
+        let language = language("go", tree_sitter_go::LANGUAGE.into());
+
+        let table_test = r#"
+        package main
+
+        import "testing"
+
+        func TestExample(t *testing.T) {
+            _ = "some random string"
+
+            testCases := []struct{
+                name string
+                anotherStr string
+            }{
+                {
+                    name: "test case 1",
+                    anotherStr: "foo",
+                },
+                {
+                    name: "test case 2",
+                    anotherStr: "bar",
+                },
+            }
+
+            notATableTest := []struct{
+                name string
+            }{
+                {
+                    name: "some string",
+                },
+                {
+                    name: "some other string",
+                },
+            }
+
+            for _, tc := range testCases {
+                t.Run(tc.name, func(t *testing.T) {
+                    // test code here
+                })
+            }
+        }
+        "#;
+
+        let buffer =
+            cx.new(|cx| crate::Buffer::local(table_test, cx).with_language(language.clone(), cx));
+        cx.executor().run_until_parked();
+
+        let runnables: Vec<_> = buffer.update(cx, |buffer, _| {
+            let snapshot = buffer.snapshot();
+            snapshot.runnable_ranges(0..table_test.len()).collect()
+        });
+
+        let tag_strings: Vec<String> = runnables
+            .iter()
+            .flat_map(|r| &r.runnable.tags)
+            .map(|tag| tag.0.to_string())
+            .collect();
+
+        assert!(
+            tag_strings.contains(&"go-test".to_string()),
+            "Should find go-test tag, found: {:?}",
+            tag_strings
+        );
+        assert!(
+            tag_strings.contains(&"go-table-test-case".to_string()),
+            "Should find go-table-test-case tag, found: {:?}",
+            tag_strings
+        );
+
+        let go_test_count = tag_strings.iter().filter(|&tag| tag == "go-test").count();
+        let go_table_test_count = tag_strings
+            .iter()
+            .filter(|&tag| tag == "go-table-test-case")
+            .count();
+
+        assert!(
+            go_test_count == 1,
+            "Should find exactly 1 go-test, found: {}",
+            go_test_count
+        );
+        assert!(
+            go_table_test_count == 2,
+            "Should find exactly 2 go-table-test-case, found: {}",
+            go_table_test_count
+        );
+    }
+
+    #[gpui::test]
+    fn test_go_table_test_slice_ignored(cx: &mut TestAppContext) {
+        let language = language("go", tree_sitter_go::LANGUAGE.into());
+
+        let table_test = r#"
+        package main
+
+        func Example() {
+            _ = "some random string"
+
+            notATableTest := []struct{
+                name string
+            }{
+                {
+                    name: "some string",
+                },
+                {
+                    name: "some other string",
+                },
+            }
+        }
+        "#;
+
+        let buffer =
+            cx.new(|cx| crate::Buffer::local(table_test, cx).with_language(language.clone(), cx));
+        cx.executor().run_until_parked();
+
+        let runnables: Vec<_> = buffer.update(cx, |buffer, _| {
+            let snapshot = buffer.snapshot();
+            snapshot.runnable_ranges(0..table_test.len()).collect()
+        });
+
+        let tag_strings: Vec<String> = runnables
+            .iter()
+            .flat_map(|r| &r.runnable.tags)
+            .map(|tag| tag.0.to_string())
+            .collect();
+
+        assert!(
+            !tag_strings.contains(&"go-test".to_string()),
+            "Should find go-test tag, found: {:?}",
+            tag_strings
+        );
+        assert!(
+            !tag_strings.contains(&"go-table-test-case".to_string()),
+            "Should find go-table-test-case tag, found: {:?}",
+            tag_strings
+        );
+    }
+
+    #[gpui::test]
+    fn test_go_table_test_map_detection(cx: &mut TestAppContext) {
+        let language = language("go", tree_sitter_go::LANGUAGE.into());
+
+        let table_test = r#"
+        package main
+
+        import "testing"
+
+        func TestExample(t *testing.T) {
+            _ = "some random string"
+
+           	testCases := map[string]struct {
+          		someStr string
+          		fail    bool
+           	}{
+          		"test failure": {
+         			someStr: "foo",
+         			fail:    true,
+          		},
+          		"test success": {
+         			someStr: "bar",
+         			fail:    false,
+          		},
+           	}
+
+           	notATableTest := map[string]struct {
+          		someStr string
+           	}{
+          		"some string": {
+         			someStr: "foo",
+          		},
+          		"some other string": {
+         			someStr: "bar",
+          		},
+           	}
+
+            for name, tc := range testCases {
+                t.Run(name, func(t *testing.T) {
+                    // test code here
+                })
+            }
+        }
+        "#;
+
+        let buffer =
+            cx.new(|cx| crate::Buffer::local(table_test, cx).with_language(language.clone(), cx));
+        cx.executor().run_until_parked();
+
+        let runnables: Vec<_> = buffer.update(cx, |buffer, _| {
+            let snapshot = buffer.snapshot();
+            snapshot.runnable_ranges(0..table_test.len()).collect()
+        });
+
+        let tag_strings: Vec<String> = runnables
+            .iter()
+            .flat_map(|r| &r.runnable.tags)
+            .map(|tag| tag.0.to_string())
+            .collect();
+
+        assert!(
+            tag_strings.contains(&"go-test".to_string()),
+            "Should find go-test tag, found: {:?}",
+            tag_strings
+        );
+        assert!(
+            tag_strings.contains(&"go-table-test-case".to_string()),
+            "Should find go-table-test-case tag, found: {:?}",
+            tag_strings
+        );
+
+        let go_test_count = tag_strings.iter().filter(|&tag| tag == "go-test").count();
+        let go_table_test_count = tag_strings
+            .iter()
+            .filter(|&tag| tag == "go-table-test-case")
+            .count();
+
+        assert!(
+            go_test_count == 1,
+            "Should find exactly 1 go-test, found: {}",
+            go_test_count
+        );
+        assert!(
+            go_table_test_count == 2,
+            "Should find exactly 2 go-table-test-case, found: {}",
+            go_table_test_count
+        );
+    }
+
+    #[gpui::test]
+    fn test_go_table_test_map_ignored(cx: &mut TestAppContext) {
+        let language = language("go", tree_sitter_go::LANGUAGE.into());
+
+        let table_test = r#"
+        package main
+
+        func Example() {
+            _ = "some random string"
+
+           	notATableTest := map[string]struct {
+          		someStr string
+           	}{
+          		"some string": {
+         			someStr: "foo",
+          		},
+          		"some other string": {
+         			someStr: "bar",
+          		},
+           	}
+        }
+        "#;
+
+        let buffer =
+            cx.new(|cx| crate::Buffer::local(table_test, cx).with_language(language.clone(), cx));
+        cx.executor().run_until_parked();
+
+        let runnables: Vec<_> = buffer.update(cx, |buffer, _| {
+            let snapshot = buffer.snapshot();
+            snapshot.runnable_ranges(0..table_test.len()).collect()
+        });
+
+        let tag_strings: Vec<String> = runnables
+            .iter()
+            .flat_map(|r| &r.runnable.tags)
+            .map(|tag| tag.0.to_string())
+            .collect();
+
+        assert!(
+            !tag_strings.contains(&"go-test".to_string()),
+            "Should find go-test tag, found: {:?}",
+            tag_strings
+        );
+        assert!(
+            !tag_strings.contains(&"go-table-test-case".to_string()),
+            "Should find go-table-test-case tag, found: {:?}",
+            tag_strings
         );
     }
 
diff --git a/crates/languages/src/go/outline.scm b/crates/languages/src/go/outline.scm
index e37ae7e572..c745f55aff 100644
--- a/crates/languages/src/go/outline.scm
+++ b/crates/languages/src/go/outline.scm
@@ -1,4 +1,5 @@
 (comment) @annotation
+
 (type_declaration
     "type" @context
     [
@@ -42,13 +43,13 @@
     (var_declaration
         "var" @context
         [
+            ; The declaration may define multiple variables, and so @item is on
+            ; the identifier so they get distinct ranges.
             (var_spec
-                name: (identifier) @name) @item
+                name: (identifier) @name @item)
             (var_spec_list
-                "("
                 (var_spec
-                    name: (identifier) @name) @item
-                ")"
+                    name: (identifier) @name @item)
             )
         ]
      )
@@ -60,5 +61,7 @@
       "(" @context
       ")" @context)) @item
 
+; Fields declarations may define multiple fields, and so @item is on the
+; declarator so they each get distinct ranges.
 (field_declaration
-    name: (_) @name) @item
+    name: (_) @name @item)
diff --git a/crates/languages/src/go/runnables.scm b/crates/languages/src/go/runnables.scm
index 6418cd04d8..f56262f799 100644
--- a/crates/languages/src/go/runnables.scm
+++ b/crates/languages/src/go/runnables.scm
@@ -91,3 +91,103 @@
   ) @_
   (#set! tag go-main)
 )
+
+; Table test cases - slice and map
+(
+  (short_var_declaration
+    left: (expression_list (identifier) @_collection_var)
+    right: (expression_list
+      (composite_literal
+        type: [
+          (slice_type)
+          (map_type
+            key: (type_identifier) @_key_type
+            (#eq? @_key_type "string")
+          )
+        ]
+        body: (literal_value
+          [
+            (literal_element
+              (literal_value
+                (keyed_element
+                  (literal_element
+                    (identifier) @_field_name
+                  )
+                  (literal_element
+                    [
+                      (interpreted_string_literal) @run @_table_test_case_name
+                      (raw_string_literal) @run @_table_test_case_name
+                    ]
+                  )
+                )
+              )
+            )
+            (keyed_element
+              (literal_element
+                [
+                  (interpreted_string_literal) @run @_table_test_case_name
+                  (raw_string_literal) @run @_table_test_case_name
+                ]
+              )
+            )
+          ]
+        )
+      )
+    )
+  )
+  (for_statement
+    (range_clause
+      left: (expression_list
+        [
+          (
+            (identifier)
+            (identifier) @_loop_var
+          )
+          (identifier) @_loop_var
+        ]
+      )
+      right: (identifier) @_range_var
+      (#eq? @_range_var @_collection_var)
+    )
+    body: (block
+      (expression_statement
+        (call_expression
+          function: (selector_expression
+            operand: (identifier) @_t_var
+            field: (field_identifier) @_run_method
+            (#eq? @_run_method "Run")
+          )
+          arguments: (argument_list
+            .
+            [
+              (selector_expression
+                operand: (identifier) @_tc_var
+                (#eq? @_tc_var @_loop_var)
+                field: (field_identifier) @_field_check
+                (#eq? @_field_check @_field_name)
+              )
+              (identifier) @_arg_var
+              (#eq? @_arg_var @_loop_var)
+            ]
+            .
+            (func_literal
+              parameters: (parameter_list
+                (parameter_declaration
+                  type: (pointer_type
+                    (qualified_type
+                      package: (package_identifier) @_pkg
+                      name: (type_identifier) @_type
+                      (#eq? @_pkg "testing")
+                      (#eq? @_type "T")
+                    )
+                  )
+                )
+              )
+            )
+          )
+        )
+      )
+    )
+  ) @_
+  (#set! tag go-table-test-case)
+)
diff --git a/crates/languages/src/javascript/highlights.scm b/crates/languages/src/javascript/highlights.scm
index 73cb1a5e45..ebeac7efff 100644
--- a/crates/languages/src/javascript/highlights.scm
+++ b/crates/languages/src/javascript/highlights.scm
@@ -146,6 +146,7 @@
   "&&="
   "||="
   "??="
+  "..."
 ] @operator
 
 (regex "/" @string.regex)
@@ -230,6 +231,7 @@
   "implements"
   "interface"
   "keyof"
+  "module"
   "namespace"
   "private"
   "protected"
@@ -249,4 +251,4 @@
 (jsx_closing_element (["</" ">"]) @punctuation.bracket.jsx)
 (jsx_self_closing_element (["<" "/>"]) @punctuation.bracket.jsx)
 (jsx_attribute "=" @punctuation.delimiter.jsx)
-(jsx_text) @text.jsx
\ No newline at end of file
+(jsx_text) @text.jsx
diff --git a/crates/languages/src/javascript/injections.scm b/crates/languages/src/javascript/injections.scm
index 7baba5f227..dbec1937b1 100644
--- a/crates/languages/src/javascript/injections.scm
+++ b/crates/languages/src/javascript/injections.scm
@@ -11,6 +11,21 @@
                               (#set! injection.language "css"))
 )
 
+(call_expression
+  function: (member_expression
+    object: (identifier) @_obj (#eq? @_obj "styled")
+    property: (property_identifier))
+  arguments: (template_string (string_fragment) @injection.content
+                              (#set! injection.language "css"))
+)
+
+(call_expression
+  function: (call_expression
+    function: (identifier) @_name (#eq? @_name "styled"))
+  arguments: (template_string (string_fragment) @injection.content
+                              (#set! injection.language "css"))
+)
+
 (call_expression
   function: (identifier) @_name (#eq? @_name "html")
   arguments: (template_string) @injection.content
diff --git a/crates/languages/src/javascript/outline.scm b/crates/languages/src/javascript/outline.scm
index 026c71e1f9..ca16c27a27 100644
--- a/crates/languages/src/javascript/outline.scm
+++ b/crates/languages/src/javascript/outline.scm
@@ -31,12 +31,16 @@
     (export_statement
         (lexical_declaration
             ["let" "const"] @context
+            ; Multiple names may be exported - @item is on the declarator to keep
+            ; ranges distinct.
             (variable_declarator
                 name: (_) @name) @item)))
 
 (program
     (lexical_declaration
         ["let" "const"] @context
+        ; Multiple names may be defined - @item is on the declarator to keep
+        ; ranges distinct.
         (variable_declarator
             name: (_) @name) @item))
 
diff --git a/crates/languages/src/json.rs b/crates/languages/src/json.rs
index 15818730b8..4fcf865568 100644
--- a/crates/languages/src/json.rs
+++ b/crates/languages/src/json.rs
@@ -8,11 +8,11 @@ use futures::StreamExt;
 use gpui::{App, AsyncApp, Task};
 use http_client::github::{GitHubLspBinaryVersion, latest_github_release};
 use language::{
-    ContextProvider, LanguageRegistry, LanguageToolchainStore, LocalFile as _, LspAdapter,
-    LspAdapterDelegate,
+    ContextProvider, LanguageName, LanguageRegistry, LocalFile as _, LspAdapter,
+    LspAdapterDelegate, Toolchain,
 };
 use lsp::{LanguageServerBinary, LanguageServerName};
-use node_runtime::NodeRuntime;
+use node_runtime::{NodeRuntime, VersionStrategy};
 use project::{Fs, lsp_store::language_server_settings};
 use serde_json::{Value, json};
 use settings::{KeymapFile, SettingsJsonSchemaParams, SettingsStore};
@@ -234,7 +234,7 @@ impl JsonLspAdapter {
         schemas
             .as_array_mut()
             .unwrap()
-            .extend(cx.all_action_names().into_iter().map(|&name| {
+            .extend(cx.all_action_names().iter().map(|&name| {
                 project::lsp_store::json_language_server_ext::url_schema_for_action(name)
             }));
 
@@ -269,10 +269,18 @@ impl JsonLspAdapter {
             .await;
 
         let config = cx.update(|cx| {
-            Self::get_workspace_config(self.languages.language_names().clone(), adapter_schemas, cx)
+            Self::get_workspace_config(
+                self.languages
+                    .language_names()
+                    .into_iter()
+                    .map(|name| name.to_string())
+                    .collect(),
+                adapter_schemas,
+                cx,
+            )
         })?;
         writer.replace(config.clone());
-        return Ok(config);
+        Ok(config)
     }
 }
 
@@ -295,7 +303,7 @@ impl LspAdapter for JsonLspAdapter {
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         let path = delegate
@@ -332,7 +340,12 @@ impl LspAdapter for JsonLspAdapter {
 
         let should_install_language_server = self
             .node
-            .should_install_npm_package(Self::PACKAGE_NAME, &server_path, &container_dir, &version)
+            .should_install_npm_package(
+                Self::PACKAGE_NAME,
+                &server_path,
+                container_dir,
+                VersionStrategy::Latest(version),
+            )
             .await;
 
         if should_install_language_server {
@@ -391,7 +404,7 @@ impl LspAdapter for JsonLspAdapter {
         self: Arc<Self>,
         _: &dyn Fs,
         delegate: &Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         cx: &mut AsyncApp,
     ) -> Result<Value> {
         let mut config = self.get_or_init_workspace_config(cx).await?;
@@ -408,10 +421,10 @@ impl LspAdapter for JsonLspAdapter {
         Ok(config)
     }
 
-    fn language_ids(&self) -> HashMap<String, String> {
+    fn language_ids(&self) -> HashMap<LanguageName, String> {
         [
-            ("JSON".into(), "json".into()),
-            ("JSONC".into(), "jsonc".into()),
+            (LanguageName::new("JSON"), "json".into()),
+            (LanguageName::new("JSONC"), "jsonc".into()),
         ]
         .into_iter()
         .collect()
@@ -475,7 +488,7 @@ impl NodeVersionAdapter {
 #[async_trait(?Send)]
 impl LspAdapter for NodeVersionAdapter {
     fn name(&self) -> LanguageServerName {
-        Self::SERVER_NAME.clone()
+        Self::SERVER_NAME
     }
 
     async fn fetch_latest_server_version(
@@ -509,13 +522,14 @@ impl LspAdapter for NodeVersionAdapter {
         Ok(Box::new(GitHubLspBinaryVersion {
             name: release.tag_name,
             url: asset.browser_download_url.clone(),
+            digest: asset.digest.clone(),
         }))
     }
 
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         let path = delegate.which(Self::SERVER_NAME.as_ref()).await?;
diff --git a/crates/languages/src/jsonc/overrides.scm b/crates/languages/src/jsonc/overrides.scm
index cc966ad4c1..81fec9a5f5 100644
--- a/crates/languages/src/jsonc/overrides.scm
+++ b/crates/languages/src/jsonc/overrides.scm
@@ -1 +1,2 @@
+(comment) @comment.inclusive
 (string) @string
diff --git a/crates/languages/src/lib.rs b/crates/languages/src/lib.rs
index 001fd15200..d391e67d33 100644
--- a/crates/languages/src/lib.rs
+++ b/crates/languages/src/lib.rs
@@ -1,6 +1,6 @@
 use anyhow::Context as _;
 use feature_flags::{FeatureFlag, FeatureFlagAppExt as _};
-use gpui::{App, UpdateGlobal};
+use gpui::{App, SharedString, UpdateGlobal};
 use node_runtime::NodeRuntime;
 use python::PyprojectTomlManifestProvider;
 use rust::CargoManifestProvider;
@@ -17,6 +17,7 @@ use crate::{json::JsonTaskProvider, python::BasedPyrightLspAdapter};
 mod bash;
 mod c;
 mod css;
+mod github_download;
 mod go;
 mod json;
 mod package_json;
@@ -103,7 +104,7 @@ pub fn init(languages: Arc<LanguageRegistry>, node: NodeRuntime, cx: &mut App) {
     let typescript_context = Arc::new(typescript::TypeScriptContextProvider::new());
     let typescript_lsp_adapter = Arc::new(typescript::TypeScriptLspAdapter::new(node.clone()));
     let vtsls_adapter = Arc::new(vtsls::VtslsLspAdapter::new(node.clone()));
-    let yaml_lsp_adapter = Arc::new(yaml::YamlLspAdapter::new(node.clone()));
+    let yaml_lsp_adapter = Arc::new(yaml::YamlLspAdapter::new(node));
 
     let built_in_languages = [
         LanguageInfo {
@@ -118,12 +119,12 @@ pub fn init(languages: Arc<LanguageRegistry>, node: NodeRuntime, cx: &mut App) {
         },
         LanguageInfo {
             name: "cpp",
-            adapters: vec![c_lsp_adapter.clone()],
+            adapters: vec![c_lsp_adapter],
             ..Default::default()
         },
         LanguageInfo {
             name: "css",
-            adapters: vec![css_lsp_adapter.clone()],
+            adapters: vec![css_lsp_adapter],
             ..Default::default()
         },
         LanguageInfo {
@@ -145,20 +146,20 @@ pub fn init(languages: Arc<LanguageRegistry>, node: NodeRuntime, cx: &mut App) {
         },
         LanguageInfo {
             name: "gowork",
-            adapters: vec![go_lsp_adapter.clone()],
-            context: Some(go_context_provider.clone()),
+            adapters: vec![go_lsp_adapter],
+            context: Some(go_context_provider),
             ..Default::default()
         },
         LanguageInfo {
             name: "json",
-            adapters: vec![json_lsp_adapter.clone(), node_version_lsp_adapter.clone()],
+            adapters: vec![json_lsp_adapter.clone(), node_version_lsp_adapter],
             context: Some(json_context_provider.clone()),
             ..Default::default()
         },
         LanguageInfo {
             name: "jsonc",
-            adapters: vec![json_lsp_adapter.clone()],
-            context: Some(json_context_provider.clone()),
+            adapters: vec![json_lsp_adapter],
+            context: Some(json_context_provider),
             ..Default::default()
         },
         LanguageInfo {
@@ -173,14 +174,16 @@ pub fn init(languages: Arc<LanguageRegistry>, node: NodeRuntime, cx: &mut App) {
         },
         LanguageInfo {
             name: "python",
-            adapters: vec![python_lsp_adapter.clone(), py_lsp_adapter.clone()],
+            adapters: vec![python_lsp_adapter, py_lsp_adapter],
             context: Some(python_context_provider),
             toolchain: Some(python_toolchain_provider),
+            manifest_name: Some(SharedString::new_static("pyproject.toml").into()),
         },
         LanguageInfo {
             name: "rust",
             adapters: vec![rust_lsp_adapter],
             context: Some(rust_context_provider),
+            manifest_name: Some(SharedString::new_static("Cargo.toml").into()),
             ..Default::default()
         },
         LanguageInfo {
@@ -198,7 +201,7 @@ pub fn init(languages: Arc<LanguageRegistry>, node: NodeRuntime, cx: &mut App) {
         LanguageInfo {
             name: "javascript",
             adapters: vec![typescript_lsp_adapter.clone(), vtsls_adapter.clone()],
-            context: Some(typescript_context.clone()),
+            context: Some(typescript_context),
             ..Default::default()
         },
         LanguageInfo {
@@ -233,6 +236,7 @@ pub fn init(languages: Arc<LanguageRegistry>, node: NodeRuntime, cx: &mut App) {
             registration.adapters,
             registration.context,
             registration.toolchain,
+            registration.manifest_name,
         );
     }
 
@@ -240,11 +244,8 @@ pub fn init(languages: Arc<LanguageRegistry>, node: NodeRuntime, cx: &mut App) {
     cx.observe_flag::<BasedPyrightFeatureFlag, _>({
         let languages = languages.clone();
         move |enabled, _| {
-            if enabled {
-                if let Some(adapter) = basedpyright_lsp_adapter.take() {
-                    languages
-                        .register_available_lsp_adapter(adapter.name(), move || adapter.clone());
-                }
+            if enabled && let Some(adapter) = basedpyright_lsp_adapter.take() {
+                languages.register_available_lsp_adapter(adapter.name(), move || adapter.clone());
             }
         }
     })
@@ -276,13 +277,13 @@ pub fn init(languages: Arc<LanguageRegistry>, node: NodeRuntime, cx: &mut App) {
         move || adapter.clone()
     });
     languages.register_available_lsp_adapter(LanguageServerName("vtsls".into()), {
-        let adapter = vtsls_adapter.clone();
+        let adapter = vtsls_adapter;
         move || adapter.clone()
     });
     languages.register_available_lsp_adapter(
         LanguageServerName("typescript-language-server".into()),
         {
-            let adapter = typescript_lsp_adapter.clone();
+            let adapter = typescript_lsp_adapter;
             move || adapter.clone()
         },
     );
@@ -339,7 +340,7 @@ pub fn init(languages: Arc<LanguageRegistry>, node: NodeRuntime, cx: &mut App) {
         Arc::from(PyprojectTomlManifestProvider),
     ];
     for provider in manifest_providers {
-        project::ManifestProviders::global(cx).register(provider);
+        project::ManifestProvidersStore::global(cx).register(provider);
     }
 }
 
@@ -349,6 +350,7 @@ struct LanguageInfo {
     adapters: Vec<Arc<dyn LspAdapter>>,
     context: Option<Arc<dyn ContextProvider>>,
     toolchain: Option<Arc<dyn ToolchainLister>>,
+    manifest_name: Option<ManifestName>,
 }
 
 fn register_language(
@@ -357,6 +359,7 @@ fn register_language(
     adapters: Vec<Arc<dyn LspAdapter>>,
     context: Option<Arc<dyn ContextProvider>>,
     toolchain: Option<Arc<dyn ToolchainLister>>,
+    manifest_name: Option<ManifestName>,
 ) {
     let config = load_config(name);
     for adapter in adapters {
@@ -367,12 +370,14 @@ fn register_language(
         config.grammar.clone(),
         config.matcher.clone(),
         config.hidden,
+        manifest_name.clone(),
         Arc::new(move || {
             Ok(LoadedLanguage {
                 config: config.clone(),
                 queries: load_queries(name),
                 context_provider: context.clone(),
                 toolchain_provider: toolchain.clone(),
+                manifest_name: manifest_name.clone(),
             })
         }),
     );
diff --git a/crates/languages/src/python.rs b/crates/languages/src/python.rs
index 0524c02fd5..d21b5dabd3 100644
--- a/crates/languages/src/python.rs
+++ b/crates/languages/src/python.rs
@@ -4,16 +4,16 @@ use async_trait::async_trait;
 use collections::HashMap;
 use gpui::{App, Task};
 use gpui::{AsyncApp, SharedString};
+use language::Toolchain;
 use language::ToolchainList;
 use language::ToolchainLister;
 use language::language_settings::language_settings;
 use language::{ContextLocation, LanguageToolchainStore};
 use language::{ContextProvider, LspAdapter, LspAdapterDelegate};
 use language::{LanguageName, ManifestName, ManifestProvider, ManifestQuery};
-use language::{Toolchain, WorkspaceFoldersContent};
 use lsp::LanguageServerBinary;
 use lsp::LanguageServerName;
-use node_runtime::NodeRuntime;
+use node_runtime::{NodeRuntime, VersionStrategy};
 use pet_core::Configuration;
 use pet_core::os_environment::Environment;
 use pet_core::python_environment::PythonEnvironmentKind;
@@ -103,7 +103,7 @@ impl PythonLspAdapter {
 #[async_trait(?Send)]
 impl LspAdapter for PythonLspAdapter {
     fn name(&self) -> LanguageServerName {
-        Self::SERVER_NAME.clone()
+        Self::SERVER_NAME
     }
 
     async fn initialization_options(
@@ -127,7 +127,7 @@ impl LspAdapter for PythonLspAdapter {
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         if let Some(pyright_bin) = delegate.which("pyright-langserver".as_ref()).await {
@@ -204,8 +204,8 @@ impl LspAdapter for PythonLspAdapter {
             .should_install_npm_package(
                 Self::SERVER_NAME.as_ref(),
                 &server_path,
-                &container_dir,
-                &version,
+                container_dir,
+                VersionStrategy::Latest(version),
             )
             .await;
 
@@ -319,17 +319,9 @@ impl LspAdapter for PythonLspAdapter {
         self: Arc<Self>,
         _: &dyn Fs,
         adapter: &Arc<dyn LspAdapterDelegate>,
-        toolchains: Arc<dyn LanguageToolchainStore>,
+        toolchain: Option<Toolchain>,
         cx: &mut AsyncApp,
     ) -> Result<Value> {
-        let toolchain = toolchains
-            .active_toolchain(
-                adapter.worktree_id(),
-                Arc::from("".as_ref()),
-                LanguageName::new("Python"),
-                cx,
-            )
-            .await;
         cx.update(move |cx| {
             let mut user_settings =
                 language_server_settings(adapter.as_ref(), &Self::SERVER_NAME, cx)
@@ -346,31 +338,31 @@ impl LspAdapter for PythonLspAdapter {
                 let interpreter_path = toolchain.path.to_string();
 
                 // Detect if this is a virtual environment
-                if let Some(interpreter_dir) = Path::new(&interpreter_path).parent() {
-                    if let Some(venv_dir) = interpreter_dir.parent() {
-                        // Check if this looks like a virtual environment
-                        if venv_dir.join("pyvenv.cfg").exists()
-                            || venv_dir.join("bin/activate").exists()
-                            || venv_dir.join("Scripts/activate.bat").exists()
-                        {
-                            // Set venvPath and venv at the root level
-                            // This matches the format of a pyrightconfig.json file
-                            if let Some(parent) = venv_dir.parent() {
-                                // Use relative path if the venv is inside the workspace
-                                let venv_path = if parent == adapter.worktree_root_path() {
-                                    ".".to_string()
-                                } else {
-                                    parent.to_string_lossy().into_owned()
-                                };
-                                object.insert("venvPath".to_string(), Value::String(venv_path));
-                            }
+                if let Some(interpreter_dir) = Path::new(&interpreter_path).parent()
+                    && let Some(venv_dir) = interpreter_dir.parent()
+                {
+                    // Check if this looks like a virtual environment
+                    if venv_dir.join("pyvenv.cfg").exists()
+                        || venv_dir.join("bin/activate").exists()
+                        || venv_dir.join("Scripts/activate.bat").exists()
+                    {
+                        // Set venvPath and venv at the root level
+                        // This matches the format of a pyrightconfig.json file
+                        if let Some(parent) = venv_dir.parent() {
+                            // Use relative path if the venv is inside the workspace
+                            let venv_path = if parent == adapter.worktree_root_path() {
+                                ".".to_string()
+                            } else {
+                                parent.to_string_lossy().into_owned()
+                            };
+                            object.insert("venvPath".to_string(), Value::String(venv_path));
+                        }
 
-                            if let Some(venv_name) = venv_dir.file_name() {
-                                object.insert(
-                                    "venv".to_owned(),
-                                    Value::String(venv_name.to_string_lossy().into_owned()),
-                                );
-                            }
+                        if let Some(venv_name) = venv_dir.file_name() {
+                            object.insert(
+                                "venv".to_owned(),
+                                Value::String(venv_name.to_string_lossy().into_owned()),
+                            );
                         }
                     }
                 }
@@ -397,12 +389,6 @@ impl LspAdapter for PythonLspAdapter {
             user_settings
         })
     }
-    fn manifest_name(&self) -> Option<ManifestName> {
-        Some(SharedString::new_static("pyproject.toml").into())
-    }
-    fn workspace_folders_content(&self) -> WorkspaceFoldersContent {
-        WorkspaceFoldersContent::WorktreeRoot
-    }
 }
 
 async fn get_cached_server_binary(
@@ -725,7 +711,7 @@ impl Default for PythonToolchainProvider {
     }
 }
 
-static ENV_PRIORITY_LIST: &'static [PythonEnvironmentKind] = &[
+static ENV_PRIORITY_LIST: &[PythonEnvironmentKind] = &[
     // Prioritize non-Conda environments.
     PythonEnvironmentKind::Poetry,
     PythonEnvironmentKind::Pipenv,
@@ -842,7 +828,7 @@ impl ToolchainLister for PythonToolchainProvider {
                         .get_env_var("CONDA_PREFIX".to_string())
                         .map(|conda_prefix| {
                             let is_match = |exe: &Option<PathBuf>| {
-                                exe.as_ref().map_or(false, |e| e.starts_with(&conda_prefix))
+                                exe.as_ref().is_some_and(|e| e.starts_with(&conda_prefix))
                             };
                             match (is_match(&lhs.executable), is_match(&rhs.executable)) {
                                 (true, false) => Ordering::Less,
@@ -1040,14 +1026,14 @@ const BINARY_DIR: &str = if cfg!(target_os = "windows") {
 #[async_trait(?Send)]
 impl LspAdapter for PyLspAdapter {
     fn name(&self) -> LanguageServerName {
-        Self::SERVER_NAME.clone()
+        Self::SERVER_NAME
     }
 
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        toolchains: Arc<dyn LanguageToolchainStore>,
-        cx: &AsyncApp,
+        toolchain: Option<Toolchain>,
+        _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         if let Some(pylsp_bin) = delegate.which(Self::SERVER_NAME.as_ref()).await {
             let env = delegate.shell_env().await;
@@ -1057,14 +1043,7 @@ impl LspAdapter for PyLspAdapter {
                 arguments: vec![],
             })
         } else {
-            let venv = toolchains
-                .active_toolchain(
-                    delegate.worktree_id(),
-                    Arc::from("".as_ref()),
-                    LanguageName::new("Python"),
-                    &mut cx.clone(),
-                )
-                .await?;
+            let venv = toolchain?;
             let pylsp_path = Path::new(venv.path.as_ref()).parent()?.join("pylsp");
             pylsp_path.exists().then(|| LanguageServerBinary {
                 path: venv.path.to_string().into(),
@@ -1211,17 +1190,9 @@ impl LspAdapter for PyLspAdapter {
         self: Arc<Self>,
         _: &dyn Fs,
         adapter: &Arc<dyn LspAdapterDelegate>,
-        toolchains: Arc<dyn LanguageToolchainStore>,
+        toolchain: Option<Toolchain>,
         cx: &mut AsyncApp,
     ) -> Result<Value> {
-        let toolchain = toolchains
-            .active_toolchain(
-                adapter.worktree_id(),
-                Arc::from("".as_ref()),
-                LanguageName::new("Python"),
-                cx,
-            )
-            .await;
         cx.update(move |cx| {
             let mut user_settings =
                 language_server_settings(adapter.as_ref(), &Self::SERVER_NAME, cx)
@@ -1282,12 +1253,6 @@ impl LspAdapter for PyLspAdapter {
             user_settings
         })
     }
-    fn manifest_name(&self) -> Option<ManifestName> {
-        Some(SharedString::new_static("pyproject.toml").into())
-    }
-    fn workspace_folders_content(&self) -> WorkspaceFoldersContent {
-        WorkspaceFoldersContent::WorktreeRoot
-    }
 }
 
 pub(crate) struct BasedPyrightLspAdapter {
@@ -1353,7 +1318,7 @@ impl BasedPyrightLspAdapter {
 #[async_trait(?Send)]
 impl LspAdapter for BasedPyrightLspAdapter {
     fn name(&self) -> LanguageServerName {
-        Self::SERVER_NAME.clone()
+        Self::SERVER_NAME
     }
 
     async fn initialization_options(
@@ -1377,8 +1342,8 @@ impl LspAdapter for BasedPyrightLspAdapter {
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        toolchains: Arc<dyn LanguageToolchainStore>,
-        cx: &AsyncApp,
+        toolchain: Option<Toolchain>,
+        _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         if let Some(bin) = delegate.which(Self::BINARY_NAME.as_ref()).await {
             let env = delegate.shell_env().await;
@@ -1388,15 +1353,7 @@ impl LspAdapter for BasedPyrightLspAdapter {
                 arguments: vec!["--stdio".into()],
             })
         } else {
-            let venv = toolchains
-                .active_toolchain(
-                    delegate.worktree_id(),
-                    Arc::from("".as_ref()),
-                    LanguageName::new("Python"),
-                    &mut cx.clone(),
-                )
-                .await?;
-            let path = Path::new(venv.path.as_ref())
+            let path = Path::new(toolchain?.path.as_ref())
                 .parent()?
                 .join(Self::BINARY_NAME);
             path.exists().then(|| LanguageServerBinary {
@@ -1543,17 +1500,9 @@ impl LspAdapter for BasedPyrightLspAdapter {
         self: Arc<Self>,
         _: &dyn Fs,
         adapter: &Arc<dyn LspAdapterDelegate>,
-        toolchains: Arc<dyn LanguageToolchainStore>,
+        toolchain: Option<Toolchain>,
         cx: &mut AsyncApp,
     ) -> Result<Value> {
-        let toolchain = toolchains
-            .active_toolchain(
-                adapter.worktree_id(),
-                Arc::from("".as_ref()),
-                LanguageName::new("Python"),
-                cx,
-            )
-            .await;
         cx.update(move |cx| {
             let mut user_settings =
                 language_server_settings(adapter.as_ref(), &Self::SERVER_NAME, cx)
@@ -1570,31 +1519,31 @@ impl LspAdapter for BasedPyrightLspAdapter {
                 let interpreter_path = toolchain.path.to_string();
 
                 // Detect if this is a virtual environment
-                if let Some(interpreter_dir) = Path::new(&interpreter_path).parent() {
-                    if let Some(venv_dir) = interpreter_dir.parent() {
-                        // Check if this looks like a virtual environment
-                        if venv_dir.join("pyvenv.cfg").exists()
-                            || venv_dir.join("bin/activate").exists()
-                            || venv_dir.join("Scripts/activate.bat").exists()
-                        {
-                            // Set venvPath and venv at the root level
-                            // This matches the format of a pyrightconfig.json file
-                            if let Some(parent) = venv_dir.parent() {
-                                // Use relative path if the venv is inside the workspace
-                                let venv_path = if parent == adapter.worktree_root_path() {
-                                    ".".to_string()
-                                } else {
-                                    parent.to_string_lossy().into_owned()
-                                };
-                                object.insert("venvPath".to_string(), Value::String(venv_path));
-                            }
+                if let Some(interpreter_dir) = Path::new(&interpreter_path).parent()
+                    && let Some(venv_dir) = interpreter_dir.parent()
+                {
+                    // Check if this looks like a virtual environment
+                    if venv_dir.join("pyvenv.cfg").exists()
+                        || venv_dir.join("bin/activate").exists()
+                        || venv_dir.join("Scripts/activate.bat").exists()
+                    {
+                        // Set venvPath and venv at the root level
+                        // This matches the format of a pyrightconfig.json file
+                        if let Some(parent) = venv_dir.parent() {
+                            // Use relative path if the venv is inside the workspace
+                            let venv_path = if parent == adapter.worktree_root_path() {
+                                ".".to_string()
+                            } else {
+                                parent.to_string_lossy().into_owned()
+                            };
+                            object.insert("venvPath".to_string(), Value::String(venv_path));
+                        }
 
-                            if let Some(venv_name) = venv_dir.file_name() {
-                                object.insert(
-                                    "venv".to_owned(),
-                                    Value::String(venv_name.to_string_lossy().into_owned()),
-                                );
-                            }
+                        if let Some(venv_name) = venv_dir.file_name() {
+                            object.insert(
+                                "venv".to_owned(),
+                                Value::String(venv_name.to_string_lossy().into_owned()),
+                            );
                         }
                     }
                 }
@@ -1621,14 +1570,6 @@ impl LspAdapter for BasedPyrightLspAdapter {
             user_settings
         })
     }
-
-    fn manifest_name(&self) -> Option<ManifestName> {
-        Some(SharedString::new_static("pyproject.toml").into())
-    }
-
-    fn workspace_folders_content(&self) -> WorkspaceFoldersContent {
-        WorkspaceFoldersContent::WorktreeRoot
-    }
 }
 
 #[cfg(test)]
diff --git a/crates/languages/src/rust.rs b/crates/languages/src/rust.rs
index 3f83c9c000..3e8dce756b 100644
--- a/crates/languages/src/rust.rs
+++ b/crates/languages/src/rust.rs
@@ -1,8 +1,7 @@
 use anyhow::{Context as _, Result};
-use async_compression::futures::bufread::GzipDecoder;
 use async_trait::async_trait;
 use collections::HashMap;
-use futures::{StreamExt, io::BufReader};
+use futures::StreamExt;
 use gpui::{App, AppContext, AsyncApp, SharedString, Task};
 use http_client::github::AssetKind;
 use http_client::github::{GitHubLspBinaryVersion, latest_github_release};
@@ -16,6 +15,7 @@ use serde_json::json;
 use settings::Settings as _;
 use smol::fs::{self};
 use std::fmt::Display;
+use std::ops::Range;
 use std::{
     any::Any,
     borrow::Cow,
@@ -23,14 +23,11 @@ use std::{
     sync::{Arc, LazyLock},
 };
 use task::{TaskTemplate, TaskTemplates, TaskVariables, VariableName};
-use util::archive::extract_zip;
+use util::fs::{make_file_executable, remove_matching};
 use util::merge_json_value_into;
-use util::{
-    ResultExt,
-    fs::{make_file_executable, remove_matching},
-    maybe,
-};
+use util::{ResultExt, maybe};
 
+use crate::github_download::{GithubBinaryMetadata, download_server_binary};
 use crate::language_settings::language_settings;
 
 pub struct RustLspAdapter;
@@ -109,17 +106,13 @@ impl ManifestProvider for CargoManifestProvider {
 #[async_trait(?Send)]
 impl LspAdapter for RustLspAdapter {
     fn name(&self) -> LanguageServerName {
-        SERVER_NAME.clone()
-    }
-
-    fn manifest_name(&self) -> Option<ManifestName> {
-        Some(SharedString::new_static("Cargo.toml").into())
+        SERVER_NAME
     }
 
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         let path = delegate.which("rust-analyzer".as_ref()).await?;
@@ -163,15 +156,15 @@ impl LspAdapter for RustLspAdapter {
         )
         .await?;
         let asset_name = Self::build_asset_name();
-
         let asset = release
             .assets
-            .iter()
+            .into_iter()
             .find(|asset| asset.name == asset_name)
             .with_context(|| format!("no asset found matching `{asset_name:?}`"))?;
         Ok(Box::new(GitHubLspBinaryVersion {
             name: release.tag_name,
-            url: asset.browser_download_url.clone(),
+            url: asset.browser_download_url,
+            digest: asset.digest,
         }))
     }
 
@@ -181,58 +174,76 @@ impl LspAdapter for RustLspAdapter {
         container_dir: PathBuf,
         delegate: &dyn LspAdapterDelegate,
     ) -> Result<LanguageServerBinary> {
-        let version = version.downcast::<GitHubLspBinaryVersion>().unwrap();
-        let destination_path = container_dir.join(format!("rust-analyzer-{}", version.name));
+        let GitHubLspBinaryVersion {
+            name,
+            url,
+            digest: expected_digest,
+        } = *version.downcast::<GitHubLspBinaryVersion>().unwrap();
+        let destination_path = container_dir.join(format!("rust-analyzer-{name}"));
         let server_path = match Self::GITHUB_ASSET_KIND {
             AssetKind::TarGz | AssetKind::Gz => destination_path.clone(), // Tar and gzip extract in place.
             AssetKind::Zip => destination_path.clone().join("rust-analyzer.exe"), // zip contains a .exe
         };
 
-        if fs::metadata(&server_path).await.is_err() {
-            remove_matching(&container_dir, |entry| entry != destination_path).await;
+        let binary = LanguageServerBinary {
+            path: server_path.clone(),
+            env: None,
+            arguments: Default::default(),
+        };
 
-            let mut response = delegate
-                .http_client()
-                .get(&version.url, Default::default(), true)
-                .await
-                .with_context(|| format!("downloading release from {}", version.url))?;
-            match Self::GITHUB_ASSET_KIND {
-                AssetKind::TarGz => {
-                    let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
-                    let archive = async_tar::Archive::new(decompressed_bytes);
-                    archive.unpack(&destination_path).await.with_context(|| {
-                        format!("extracting {} to {:?}", version.url, destination_path)
-                    })?;
-                }
-                AssetKind::Gz => {
-                    let mut decompressed_bytes =
-                        GzipDecoder::new(BufReader::new(response.body_mut()));
-                    let mut file =
-                        fs::File::create(&destination_path).await.with_context(|| {
-                            format!(
-                                "creating a file {:?} for a download from {}",
-                                destination_path, version.url,
-                            )
-                        })?;
-                    futures::io::copy(&mut decompressed_bytes, &mut file)
-                        .await
-                        .with_context(|| {
-                            format!("extracting {} to {:?}", version.url, destination_path)
-                        })?;
-                }
-                AssetKind::Zip => {
-                    extract_zip(&destination_path, response.body_mut())
-                        .await
-                        .with_context(|| {
-                            format!("unzipping {} to {:?}", version.url, destination_path)
-                        })?;
-                }
+        let metadata_path = destination_path.with_extension("metadata");
+        let metadata = GithubBinaryMetadata::read_from_file(&metadata_path)
+            .await
+            .ok();
+        if let Some(metadata) = metadata {
+            let validity_check = async || {
+                delegate
+                    .try_exec(LanguageServerBinary {
+                        path: server_path.clone(),
+                        arguments: vec!["--version".into()],
+                        env: None,
+                    })
+                    .await
+                    .inspect_err(|err| {
+                        log::warn!("Unable to run {server_path:?} asset, redownloading: {err}",)
+                    })
             };
-
-            // todo("windows")
-            make_file_executable(&server_path).await?;
+            if let (Some(actual_digest), Some(expected_digest)) =
+                (&metadata.digest, &expected_digest)
+            {
+                if actual_digest == expected_digest {
+                    if validity_check().await.is_ok() {
+                        return Ok(binary);
+                    }
+                } else {
+                    log::info!(
+                        "SHA-256 mismatch for {destination_path:?} asset, downloading new asset. Expected: {expected_digest}, Got: {actual_digest}"
+                    );
+                }
+            } else if validity_check().await.is_ok() {
+                return Ok(binary);
+            }
         }
 
+        download_server_binary(
+            delegate,
+            &url,
+            expected_digest.as_deref(),
+            &destination_path,
+            Self::GITHUB_ASSET_KIND,
+        )
+        .await?;
+        make_file_executable(&server_path).await?;
+        remove_matching(&container_dir, |path| path != destination_path).await;
+        GithubBinaryMetadata::write_to_file(
+            &GithubBinaryMetadata {
+                metadata_version: 1,
+                digest: expected_digest,
+            },
+            &metadata_path,
+        )
+        .await?;
+
         Ok(LanguageServerBinary {
             path: server_path,
             env: None,
@@ -291,66 +302,62 @@ impl LspAdapter for RustLspAdapter {
         completion: &lsp::CompletionItem,
         language: &Arc<Language>,
     ) -> Option<CodeLabel> {
-        let detail = completion
+        // rust-analyzer calls these detail left and detail right in terms of where it expects things to be rendered
+        // this usually contains signatures of the thing to be completed
+        let detail_right = completion
             .label_details
             .as_ref()
-            .and_then(|detail| detail.detail.as_ref())
+            .and_then(|detail| detail.description.as_ref())
             .or(completion.detail.as_ref())
             .map(|detail| detail.trim());
-        let function_signature = completion
+        // this tends to contain alias and import information
+        let detail_left = completion
             .label_details
             .as_ref()
-            .and_then(|detail| detail.description.as_deref())
-            .or(completion.detail.as_deref());
-        match (detail, completion.kind) {
-            (Some(detail), Some(lsp::CompletionItemKind::FIELD)) => {
+            .and_then(|detail| detail.detail.as_deref());
+        let mk_label = |text: String, filter_range: &dyn Fn() -> Range<usize>, runs| {
+            let filter_range = completion
+                .filter_text
+                .as_deref()
+                .and_then(|filter| text.find(filter).map(|ix| ix..ix + filter.len()))
+                .or_else(|| {
+                    text.find(&completion.label)
+                        .map(|ix| ix..ix + completion.label.len())
+                })
+                .unwrap_or_else(filter_range);
+
+            CodeLabel {
+                text,
+                runs,
+                filter_range,
+            }
+        };
+        let mut label = match (detail_right, completion.kind) {
+            (Some(signature), Some(lsp::CompletionItemKind::FIELD)) => {
                 let name = &completion.label;
-                let text = format!("{name}: {detail}");
+                let text = format!("{name}: {signature}");
                 let prefix = "struct S { ";
-                let source = Rope::from(format!("{prefix}{text} }}"));
+                let source = Rope::from_iter([prefix, &text, " }"]);
                 let runs =
                     language.highlight_text(&source, prefix.len()..prefix.len() + text.len());
-                let filter_range = completion
-                    .filter_text
-                    .as_deref()
-                    .and_then(|filter| text.find(filter).map(|ix| ix..ix + filter.len()))
-                    .unwrap_or(0..name.len());
-                return Some(CodeLabel {
-                    text,
-                    runs,
-                    filter_range,
-                });
+                mk_label(text, &|| 0..completion.label.len(), runs)
             }
             (
-                Some(detail),
+                Some(signature),
                 Some(lsp::CompletionItemKind::CONSTANT | lsp::CompletionItemKind::VARIABLE),
             ) if completion.insert_text_format != Some(lsp::InsertTextFormat::SNIPPET) => {
                 let name = &completion.label;
-                let text = format!(
-                    "{}: {}",
-                    name,
-                    completion.detail.as_deref().unwrap_or(detail)
-                );
+                let text = format!("{name}: {signature}",);
                 let prefix = "let ";
-                let source = Rope::from(format!("{prefix}{text} = ();"));
+                let source = Rope::from_iter([prefix, &text, " = ();"]);
                 let runs =
                     language.highlight_text(&source, prefix.len()..prefix.len() + text.len());
-                let filter_range = completion
-                    .filter_text
-                    .as_deref()
-                    .and_then(|filter| text.find(filter).map(|ix| ix..ix + filter.len()))
-                    .unwrap_or(0..name.len());
-                return Some(CodeLabel {
-                    text,
-                    runs,
-                    filter_range,
-                });
+                mk_label(text, &|| 0..completion.label.len(), runs)
             }
             (
-                Some(detail),
+                function_signature,
                 Some(lsp::CompletionItemKind::FUNCTION | lsp::CompletionItemKind::METHOD),
             ) => {
-                static REGEX: LazyLock<Regex> = LazyLock::new(|| Regex::new("\\(…?\\)").unwrap());
                 const FUNCTION_PREFIXES: [&str; 6] = [
                     "async fn",
                     "async unsafe fn",
@@ -359,57 +366,62 @@ impl LspAdapter for RustLspAdapter {
                     "unsafe fn",
                     "fn",
                 ];
-                // Is it function `async`?
-                let fn_keyword = FUNCTION_PREFIXES.iter().find_map(|prefix| {
-                    function_signature.as_ref().and_then(|signature| {
-                        signature
-                            .strip_prefix(*prefix)
-                            .map(|suffix| (*prefix, suffix))
-                    })
+                let fn_prefixed = FUNCTION_PREFIXES.iter().find_map(|&prefix| {
+                    function_signature?
+                        .strip_prefix(prefix)
+                        .map(|suffix| (prefix, suffix))
                 });
-                // fn keyword should be followed by opening parenthesis.
-                if let Some((prefix, suffix)) = fn_keyword {
-                    let mut text = REGEX.replace(&completion.label, suffix).to_string();
-                    let source = Rope::from(format!("{prefix} {text} {{}}"));
+                let label = if let Some(label) = completion
+                    .label
+                    .strip_suffix("(…)")
+                    .or_else(|| completion.label.strip_suffix("()"))
+                {
+                    label
+                } else {
+                    &completion.label
+                };
+
+                static FULL_SIGNATURE_REGEX: LazyLock<Regex> =
+                    LazyLock::new(|| Regex::new(r"fn (.?+)\(").expect("Failed to create REGEX"));
+                if let Some((function_signature, match_)) = function_signature
+                    .filter(|it| it.contains(&label))
+                    .and_then(|it| Some((it, FULL_SIGNATURE_REGEX.find(it)?)))
+                {
+                    let source = Rope::from(function_signature);
+                    let runs = language.highlight_text(&source, 0..function_signature.len());
+                    mk_label(
+                        function_signature.to_owned(),
+                        &|| match_.range().start - 3..match_.range().end - 1,
+                        runs,
+                    )
+                } else if let Some((prefix, suffix)) = fn_prefixed {
+                    let text = format!("{label}{suffix}");
+                    let source = Rope::from_iter([prefix, " ", &text, " {}"]);
                     let run_start = prefix.len() + 1;
                     let runs = language.highlight_text(&source, run_start..run_start + text.len());
-                    if detail.starts_with("(") {
-                        text.push(' ');
-                        text.push_str(&detail);
-                    }
-                    let filter_range = completion
-                        .filter_text
-                        .as_deref()
-                        .and_then(|filter| text.find(filter).map(|ix| ix..ix + filter.len()))
-                        .unwrap_or(0..completion.label.find('(').unwrap_or(text.len()));
-                    return Some(CodeLabel {
-                        filter_range,
-                        text,
-                        runs,
-                    });
+                    mk_label(text, &|| 0..label.len(), runs)
                 } else if completion
                     .detail
                     .as_ref()
-                    .map_or(false, |detail| detail.starts_with("macro_rules! "))
+                    .is_some_and(|detail| detail.starts_with("macro_rules! "))
                 {
                     let text = completion.label.clone();
                     let len = text.len();
                     let source = Rope::from(text.as_str());
                     let runs = language.highlight_text(&source, 0..len);
-                    let filter_range = completion
-                        .filter_text
-                        .as_deref()
-                        .and_then(|filter| text.find(filter).map(|ix| ix..ix + filter.len()))
-                        .unwrap_or(0..len);
-                    return Some(CodeLabel {
-                        filter_range,
-                        text,
-                        runs,
-                    });
+                    mk_label(text, &|| 0..completion.label.len(), runs)
+                } else if detail_left.is_none() {
+                    return None;
+                } else {
+                    mk_label(
+                        completion.label.clone(),
+                        &|| 0..completion.label.len(),
+                        vec![],
+                    )
                 }
             }
-            (_, Some(kind)) => {
-                let highlight_name = match kind {
+            (_, kind) => {
+                let highlight_name = kind.and_then(|kind| match kind {
                     lsp::CompletionItemKind::STRUCT
                     | lsp::CompletionItemKind::INTERFACE
                     | lsp::CompletionItemKind::ENUM => Some("type"),
@@ -419,27 +431,35 @@ impl LspAdapter for RustLspAdapter {
                         Some("constant")
                     }
                     _ => None,
-                };
+                });
 
-                let mut label = completion.label.clone();
-                if let Some(detail) = detail.filter(|detail| detail.starts_with("(")) {
-                    label.push(' ');
-                    label.push_str(detail);
-                }
-                let mut label = CodeLabel::plain(label, completion.filter_text.as_deref());
+                let label = completion.label.clone();
+                let mut runs = vec![];
                 if let Some(highlight_name) = highlight_name {
                     let highlight_id = language.grammar()?.highlight_id_for_name(highlight_name)?;
-                    label.runs.push((
-                        0..label.text.rfind('(').unwrap_or(completion.label.len()),
+                    runs.push((
+                        0..label.rfind('(').unwrap_or(completion.label.len()),
                         highlight_id,
                     ));
+                } else if detail_left.is_none() {
+                    return None;
                 }
 
-                return Some(label);
+                mk_label(label, &|| 0..completion.label.len(), runs)
+            }
+        };
+
+        if let Some(detail_left) = detail_left {
+            label.text.push(' ');
+            if !detail_left.starts_with('(') {
+                label.text.push('(');
+            }
+            label.text.push_str(detail_left);
+            if !detail_left.ends_with(')') {
+                label.text.push(')');
             }
-            _ => {}
         }
-        None
+        Some(label)
     }
 
     async fn label_for_symbol(
@@ -448,55 +468,22 @@ impl LspAdapter for RustLspAdapter {
         kind: lsp::SymbolKind,
         language: &Arc<Language>,
     ) -> Option<CodeLabel> {
-        let (text, filter_range, display_range) = match kind {
-            lsp::SymbolKind::METHOD | lsp::SymbolKind::FUNCTION => {
-                let text = format!("fn {} () {{}}", name);
-                let filter_range = 3..3 + name.len();
-                let display_range = 0..filter_range.end;
-                (text, filter_range, display_range)
-            }
-            lsp::SymbolKind::STRUCT => {
-                let text = format!("struct {} {{}}", name);
-                let filter_range = 7..7 + name.len();
-                let display_range = 0..filter_range.end;
-                (text, filter_range, display_range)
-            }
-            lsp::SymbolKind::ENUM => {
-                let text = format!("enum {} {{}}", name);
-                let filter_range = 5..5 + name.len();
-                let display_range = 0..filter_range.end;
-                (text, filter_range, display_range)
-            }
-            lsp::SymbolKind::INTERFACE => {
-                let text = format!("trait {} {{}}", name);
-                let filter_range = 6..6 + name.len();
-                let display_range = 0..filter_range.end;
-                (text, filter_range, display_range)
-            }
-            lsp::SymbolKind::CONSTANT => {
-                let text = format!("const {}: () = ();", name);
-                let filter_range = 6..6 + name.len();
-                let display_range = 0..filter_range.end;
-                (text, filter_range, display_range)
-            }
-            lsp::SymbolKind::MODULE => {
-                let text = format!("mod {} {{}}", name);
-                let filter_range = 4..4 + name.len();
-                let display_range = 0..filter_range.end;
-                (text, filter_range, display_range)
-            }
-            lsp::SymbolKind::TYPE_PARAMETER => {
-                let text = format!("type {} {{}}", name);
-                let filter_range = 5..5 + name.len();
-                let display_range = 0..filter_range.end;
-                (text, filter_range, display_range)
-            }
+        let (prefix, suffix) = match kind {
+            lsp::SymbolKind::METHOD | lsp::SymbolKind::FUNCTION => ("fn ", " () {}"),
+            lsp::SymbolKind::STRUCT => ("struct ", " {}"),
+            lsp::SymbolKind::ENUM => ("enum ", " {}"),
+            lsp::SymbolKind::INTERFACE => ("trait ", " {}"),
+            lsp::SymbolKind::CONSTANT => ("const ", ": () = ();"),
+            lsp::SymbolKind::MODULE => ("mod ", " {}"),
+            lsp::SymbolKind::TYPE_PARAMETER => ("type ", " {}"),
             _ => return None,
         };
 
+        let filter_range = prefix.len()..prefix.len() + name.len();
+        let display_range = 0..filter_range.end;
         Some(CodeLabel {
-            runs: language.highlight_text(&text.as_str().into(), display_range.clone()),
-            text: text[display_range].to_string(),
+            runs: language.highlight_text(&Rope::from_iter([prefix, name, suffix]), display_range),
+            text: format!("{prefix}{name}"),
             filter_range,
         })
     }
@@ -509,7 +496,7 @@ impl LspAdapter for RustLspAdapter {
         let enable_lsp_tasks = ProjectSettings::get_global(cx)
             .lsp
             .get(&SERVER_NAME)
-            .map_or(false, |s| s.enable_lsp_tasks);
+            .is_some_and(|s| s.enable_lsp_tasks);
         if enable_lsp_tasks {
             let experimental = json!({
                 "runnables": {
@@ -523,20 +510,6 @@ impl LspAdapter for RustLspAdapter {
             }
         }
 
-        let cargo_diagnostics_fetched_separately = ProjectSettings::get_global(cx)
-            .diagnostics
-            .fetch_cargo_diagnostics();
-        if cargo_diagnostics_fetched_separately {
-            let disable_check_on_save = json!({
-                "checkOnSave": false,
-            });
-            if let Some(initialization_options) = &mut original.initialization_options {
-                merge_json_value_into(disable_check_on_save, initialization_options);
-            } else {
-                original.initialization_options = Some(disable_check_on_save);
-            }
-        }
-
         Ok(original)
     }
 }
@@ -594,7 +567,7 @@ impl ContextProvider for RustContextProvider {
 
         if let (Some(path), Some(stem)) = (&local_abs_path, task_variables.get(&VariableName::Stem))
         {
-            let fragment = test_fragment(&variables, &path, stem);
+            let fragment = test_fragment(&variables, path, stem);
             variables.insert(RUST_TEST_FRAGMENT_TASK_VARIABLE, fragment);
         };
         if let Some(test_name) =
@@ -611,16 +584,14 @@ impl ContextProvider for RustContextProvider {
             if let Some(path) = local_abs_path
                 .as_deref()
                 .and_then(|local_abs_path| local_abs_path.parent())
-            {
-                if let Some(package_name) =
+                && let Some(package_name) =
                     human_readable_package_name(path, project_env.as_ref()).await
-                {
-                    variables.insert(RUST_PACKAGE_TASK_VARIABLE.clone(), package_name);
-                }
+            {
+                variables.insert(RUST_PACKAGE_TASK_VARIABLE.clone(), package_name);
             }
             if let Some(path) = local_abs_path.as_ref()
                 && let Some((target, manifest_path)) =
-                    target_info_from_abs_path(&path, project_env.as_ref()).await
+                    target_info_from_abs_path(path, project_env.as_ref()).await
             {
                 if let Some(target) = target {
                     variables.extend(TaskVariables::from_iter([
@@ -674,7 +645,7 @@ impl ContextProvider for RustContextProvider {
             .variables
             .get(CUSTOM_TARGET_DIR)
             .cloned();
-        let run_task_args = if let Some(package_to_run) = package_to_run.clone() {
+        let run_task_args = if let Some(package_to_run) = package_to_run {
             vec!["run".into(), "-p".into(), package_to_run]
         } else {
             vec!["run".into()]
@@ -1025,11 +996,21 @@ async fn get_cached_server_binary(container_dir: PathBuf) -> Option<LanguageServ
         let mut last = None;
         let mut entries = fs::read_dir(&container_dir).await?;
         while let Some(entry) = entries.next().await {
-            last = Some(entry?.path());
+            let path = entry?.path();
+            if path.extension().is_some_and(|ext| ext == "metadata") {
+                continue;
+            }
+            last = Some(path);
         }
 
+        let path = last.context("no cached binary")?;
+        let path = match RustLspAdapter::GITHUB_ASSET_KIND {
+            AssetKind::TarGz | AssetKind::Gz => path, // Tar and gzip extract in place.
+            AssetKind::Zip => path.join("rust-analyzer.exe"), // zip contains a .exe
+        };
+
         anyhow::Ok(LanguageServerBinary {
-            path: last.context("no cached binary")?,
+            path,
             env: None,
             arguments: Default::default(),
         })
@@ -1169,7 +1150,7 @@ mod tests {
                         kind: Some(lsp::CompletionItemKind::FUNCTION),
                         label: "hello(…)".to_string(),
                         label_details: Some(CompletionItemLabelDetails {
-                            detail: Some(" (use crate::foo)".into()),
+                            detail: Some("(use crate::foo)".into()),
                             description: Some("async fn(&mut Option<T>) -> Vec<T>".to_string()),
                         }),
                         ..Default::default()
@@ -1216,7 +1197,7 @@ mod tests {
                         kind: Some(lsp::CompletionItemKind::FUNCTION),
                         label: "hello(…)".to_string(),
                         label_details: Some(CompletionItemLabelDetails {
-                            detail: Some(" (use crate::foo)".to_string()),
+                            detail: Some("(use crate::foo)".to_string()),
                             description: Some("fn(&mut Option<T>) -> Vec<T>".to_string()),
                         }),
 
@@ -1239,6 +1220,35 @@ mod tests {
             })
         );
 
+        assert_eq!(
+            adapter
+                .label_for_completion(
+                    &lsp::CompletionItem {
+                        kind: Some(lsp::CompletionItemKind::FUNCTION),
+                        label: "hello".to_string(),
+                        label_details: Some(CompletionItemLabelDetails {
+                            detail: Some("(use crate::foo)".to_string()),
+                            description: Some("fn(&mut Option<T>) -> Vec<T>".to_string()),
+                        }),
+                        ..Default::default()
+                    },
+                    &language
+                )
+                .await,
+            Some(CodeLabel {
+                text: "hello(&mut Option<T>) -> Vec<T> (use crate::foo)".to_string(),
+                filter_range: 0..5,
+                runs: vec![
+                    (0..5, highlight_function),
+                    (7..10, highlight_keyword),
+                    (11..17, highlight_type),
+                    (18..19, highlight_type),
+                    (25..28, highlight_type),
+                    (29..30, highlight_type),
+                ],
+            })
+        );
+
         assert_eq!(
             adapter
                 .label_for_completion(
@@ -1256,9 +1266,46 @@ mod tests {
                 )
                 .await,
             Some(CodeLabel {
-                text: "await.as_deref_mut()".to_string(),
+                text: "await.as_deref_mut(&mut self) -> IterMut<'_, T>".to_string(),
                 filter_range: 6..18,
-                runs: vec![],
+                runs: vec![
+                    (6..18, HighlightId(2)),
+                    (20..23, HighlightId(1)),
+                    (33..40, HighlightId(0)),
+                    (45..46, HighlightId(0))
+                ],
+            })
+        );
+
+        assert_eq!(
+            adapter
+                .label_for_completion(
+                    &lsp::CompletionItem {
+                        kind: Some(lsp::CompletionItemKind::METHOD),
+                        label: "as_deref_mut()".to_string(),
+                        filter_text: Some("as_deref_mut".to_string()),
+                        label_details: Some(CompletionItemLabelDetails {
+                            detail: None,
+                            description: Some(
+                                "pub fn as_deref_mut(&mut self) -> IterMut<'_, T>".to_string()
+                            ),
+                        }),
+                        ..Default::default()
+                    },
+                    &language
+                )
+                .await,
+            Some(CodeLabel {
+                text: "pub fn as_deref_mut(&mut self) -> IterMut<'_, T>".to_string(),
+                filter_range: 7..19,
+                runs: vec![
+                    (0..3, HighlightId(1)),
+                    (4..6, HighlightId(1)),
+                    (7..19, HighlightId(2)),
+                    (21..24, HighlightId(1)),
+                    (34..41, HighlightId(0)),
+                    (46..47, HighlightId(0))
+                ],
             })
         );
 
@@ -1507,7 +1554,7 @@ mod tests {
             let found = test_fragment(
                 &TaskVariables::from_iter(variables.into_iter().map(|(k, v)| (k, v.to_owned()))),
                 path,
-                &path.file_stem().unwrap().to_str().unwrap(),
+                path.file_stem().unwrap().to_str().unwrap(),
             );
             assert_eq!(expected, found);
         }
diff --git a/crates/languages/src/tailwind.rs b/crates/languages/src/tailwind.rs
index cb4e939083..47eb254053 100644
--- a/crates/languages/src/tailwind.rs
+++ b/crates/languages/src/tailwind.rs
@@ -3,9 +3,9 @@ use async_trait::async_trait;
 use collections::HashMap;
 use futures::StreamExt;
 use gpui::AsyncApp;
-use language::{LanguageToolchainStore, LspAdapter, LspAdapterDelegate};
+use language::{LanguageName, LspAdapter, LspAdapterDelegate, Toolchain};
 use lsp::{LanguageServerBinary, LanguageServerName};
-use node_runtime::NodeRuntime;
+use node_runtime::{NodeRuntime, VersionStrategy};
 use project::{Fs, lsp_store::language_server_settings};
 use serde_json::{Value, json};
 use smol::fs;
@@ -44,13 +44,13 @@ impl TailwindLspAdapter {
 #[async_trait(?Send)]
 impl LspAdapter for TailwindLspAdapter {
     fn name(&self) -> LanguageServerName {
-        Self::SERVER_NAME.clone()
+        Self::SERVER_NAME
     }
 
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         let path = delegate.which(Self::SERVER_NAME.as_ref()).await?;
@@ -108,7 +108,12 @@ impl LspAdapter for TailwindLspAdapter {
 
         let should_install_language_server = self
             .node
-            .should_install_npm_package(Self::PACKAGE_NAME, &server_path, &container_dir, &version)
+            .should_install_npm_package(
+                Self::PACKAGE_NAME,
+                &server_path,
+                container_dir,
+                VersionStrategy::Latest(version),
+            )
             .await;
 
         if should_install_language_server {
@@ -150,7 +155,7 @@ impl LspAdapter for TailwindLspAdapter {
         self: Arc<Self>,
         _: &dyn Fs,
         delegate: &Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         cx: &mut AsyncApp,
     ) -> Result<Value> {
         let mut tailwind_user_settings = cx.update(|cx| {
@@ -168,20 +173,20 @@ impl LspAdapter for TailwindLspAdapter {
         }))
     }
 
-    fn language_ids(&self) -> HashMap<String, String> {
+    fn language_ids(&self) -> HashMap<LanguageName, String> {
         HashMap::from_iter([
-            ("Astro".to_string(), "astro".to_string()),
-            ("HTML".to_string(), "html".to_string()),
-            ("CSS".to_string(), "css".to_string()),
-            ("JavaScript".to_string(), "javascript".to_string()),
-            ("TSX".to_string(), "typescriptreact".to_string()),
-            ("Svelte".to_string(), "svelte".to_string()),
-            ("Elixir".to_string(), "phoenix-heex".to_string()),
-            ("HEEX".to_string(), "phoenix-heex".to_string()),
-            ("ERB".to_string(), "erb".to_string()),
-            ("HTML/ERB".to_string(), "erb".to_string()),
-            ("PHP".to_string(), "php".to_string()),
-            ("Vue.js".to_string(), "vue".to_string()),
+            (LanguageName::new("Astro"), "astro".to_string()),
+            (LanguageName::new("HTML"), "html".to_string()),
+            (LanguageName::new("CSS"), "css".to_string()),
+            (LanguageName::new("JavaScript"), "javascript".to_string()),
+            (LanguageName::new("TSX"), "typescriptreact".to_string()),
+            (LanguageName::new("Svelte"), "svelte".to_string()),
+            (LanguageName::new("Elixir"), "phoenix-heex".to_string()),
+            (LanguageName::new("HEEX"), "phoenix-heex".to_string()),
+            (LanguageName::new("ERB"), "erb".to_string()),
+            (LanguageName::new("HTML/ERB"), "erb".to_string()),
+            (LanguageName::new("PHP"), "php".to_string()),
+            (LanguageName::new("Vue.js"), "vue".to_string()),
         ])
     }
 }
diff --git a/crates/languages/src/tsx/highlights.scm b/crates/languages/src/tsx/highlights.scm
index e2837c61fd..f7cb987831 100644
--- a/crates/languages/src/tsx/highlights.scm
+++ b/crates/languages/src/tsx/highlights.scm
@@ -146,6 +146,7 @@
   "&&="
   "||="
   "??="
+  "..."
 ] @operator
 
 (regex "/" @string.regex)
@@ -236,6 +237,7 @@
   "implements"
   "interface"
   "keyof"
+  "module"
   "namespace"
   "private"
   "protected"
@@ -255,4 +257,4 @@
 (jsx_closing_element (["</" ">"]) @punctuation.bracket.jsx)
 (jsx_self_closing_element (["<" "/>"]) @punctuation.bracket.jsx)
 (jsx_attribute "=" @punctuation.delimiter.jsx)
-(jsx_text) @text.jsx
\ No newline at end of file
+(jsx_text) @text.jsx
diff --git a/crates/languages/src/tsx/injections.scm b/crates/languages/src/tsx/injections.scm
index 48da80995b..9eec01cc89 100644
--- a/crates/languages/src/tsx/injections.scm
+++ b/crates/languages/src/tsx/injections.scm
@@ -11,6 +11,21 @@
                               (#set! injection.language "css"))
 )
 
+(call_expression
+  function: (member_expression
+    object: (identifier) @_obj (#eq? @_obj "styled")
+    property: (property_identifier))
+  arguments: (template_string (string_fragment) @injection.content
+                              (#set! injection.language "css"))
+)
+
+(call_expression
+  function: (call_expression
+    function: (identifier) @_name (#eq? @_name "styled"))
+  arguments: (template_string (string_fragment) @injection.content
+                              (#set! injection.language "css"))
+)
+
 (call_expression
   function: (identifier) @_name (#eq? @_name "html")
   arguments: (template_string (string_fragment) @injection.content
diff --git a/crates/languages/src/tsx/outline.scm b/crates/languages/src/tsx/outline.scm
index 5dafe791e4..f4261b9697 100644
--- a/crates/languages/src/tsx/outline.scm
+++ b/crates/languages/src/tsx/outline.scm
@@ -34,12 +34,16 @@
 (export_statement
     (lexical_declaration
         ["let" "const"] @context
+        ; Multiple names may be exported - @item is on the declarator to keep
+        ; ranges distinct.
         (variable_declarator
             name: (_) @name) @item))
 
 (program
     (lexical_declaration
         ["let" "const"] @context
+        ; Multiple names may be defined - @item is on the declarator to keep
+        ; ranges distinct.
         (variable_declarator
             name: (_) @name) @item))
 
diff --git a/crates/languages/src/typescript.rs b/crates/languages/src/typescript.rs
index fb51544841..77cf1a64f1 100644
--- a/crates/languages/src/typescript.rs
+++ b/crates/languages/src/typescript.rs
@@ -1,6 +1,4 @@
 use anyhow::{Context as _, Result};
-use async_compression::futures::bufread::GzipDecoder;
-use async_tar::Archive;
 use async_trait::async_trait;
 use chrono::{DateTime, Local};
 use collections::HashMap;
@@ -8,13 +6,14 @@ use futures::future::join_all;
 use gpui::{App, AppContext, AsyncApp, Task};
 use http_client::github::{AssetKind, GitHubLspBinaryVersion, build_asset_url};
 use language::{
-    ContextLocation, ContextProvider, File, LanguageToolchainStore, LspAdapter, LspAdapterDelegate,
+    ContextLocation, ContextProvider, File, LanguageName, LanguageToolchainStore, LspAdapter,
+    LspAdapterDelegate, Toolchain,
 };
 use lsp::{CodeActionKind, LanguageServerBinary, LanguageServerName};
-use node_runtime::NodeRuntime;
+use node_runtime::{NodeRuntime, VersionStrategy};
 use project::{Fs, lsp_store::language_server_settings};
 use serde_json::{Value, json};
-use smol::{fs, io::BufReader, lock::RwLock, stream::StreamExt};
+use smol::{fs, lock::RwLock, stream::StreamExt};
 use std::{
     any::Any,
     borrow::Cow,
@@ -23,11 +22,10 @@ use std::{
     sync::Arc,
 };
 use task::{TaskTemplate, TaskTemplates, VariableName};
-use util::archive::extract_zip;
 use util::merge_json_value_into;
 use util::{ResultExt, fs::remove_matching, maybe};
 
-use crate::{PackageJson, PackageJsonData};
+use crate::{PackageJson, PackageJsonData, github_download::download_server_binary};
 
 #[derive(Debug)]
 pub(crate) struct TypeScriptContextProvider {
@@ -343,10 +341,10 @@ async fn detect_package_manager(
     fs: Arc<dyn Fs>,
     package_json_data: Option<PackageJsonData>,
 ) -> &'static str {
-    if let Some(package_json_data) = package_json_data {
-        if let Some(package_manager) = package_json_data.package_manager {
-            return package_manager;
-        }
+    if let Some(package_json_data) = package_json_data
+        && let Some(package_manager) = package_json_data.package_manager
+    {
+        return package_manager;
     }
     if fs.is_file(&worktree_root.join("pnpm-lock.yaml")).await {
         return "pnpm";
@@ -559,7 +557,7 @@ struct TypeScriptVersions {
 #[async_trait(?Send)]
 impl LspAdapter for TypeScriptLspAdapter {
     fn name(&self) -> LanguageServerName {
-        Self::SERVER_NAME.clone()
+        Self::SERVER_NAME
     }
 
     async fn fetch_latest_server_version(
@@ -589,8 +587,8 @@ impl LspAdapter for TypeScriptLspAdapter {
             .should_install_npm_package(
                 Self::PACKAGE_NAME,
                 &server_path,
-                &container_dir,
-                version.typescript_version.as_str(),
+                container_dir,
+                VersionStrategy::Latest(version.typescript_version.as_str()),
             )
             .await;
 
@@ -724,7 +722,7 @@ impl LspAdapter for TypeScriptLspAdapter {
         self: Arc<Self>,
         _: &dyn Fs,
         delegate: &Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         cx: &mut AsyncApp,
     ) -> Result<Value> {
         let override_options = cx.update(|cx| {
@@ -741,11 +739,11 @@ impl LspAdapter for TypeScriptLspAdapter {
         }))
     }
 
-    fn language_ids(&self) -> HashMap<String, String> {
+    fn language_ids(&self) -> HashMap<LanguageName, String> {
         HashMap::from_iter([
-            ("TypeScript".into(), "typescript".into()),
-            ("JavaScript".into(), "javascript".into()),
-            ("TSX".into(), "typescriptreact".into()),
+            (LanguageName::new("TypeScript"), "typescript".into()),
+            (LanguageName::new("JavaScript"), "javascript".into()),
+            (LanguageName::new("TSX"), "typescriptreact".into()),
         ])
     }
 }
@@ -824,7 +822,7 @@ impl LspAdapter for EsLintLspAdapter {
         self: Arc<Self>,
         _: &dyn Fs,
         delegate: &Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         cx: &mut AsyncApp,
     ) -> Result<Value> {
         let workspace_root = delegate.worktree_root_path();
@@ -881,7 +879,7 @@ impl LspAdapter for EsLintLspAdapter {
     }
 
     fn name(&self) -> LanguageServerName {
-        Self::SERVER_NAME.clone()
+        Self::SERVER_NAME
     }
 
     async fn fetch_latest_server_version(
@@ -896,6 +894,7 @@ impl LspAdapter for EsLintLspAdapter {
 
         Ok(Box::new(GitHubLspBinaryVersion {
             name: Self::CURRENT_VERSION.into(),
+            digest: None,
             url,
         }))
     }
@@ -911,45 +910,16 @@ impl LspAdapter for EsLintLspAdapter {
         let server_path = destination_path.join(Self::SERVER_PATH);
 
         if fs::metadata(&server_path).await.is_err() {
-            remove_matching(&container_dir, |entry| entry != destination_path).await;
+            remove_matching(&container_dir, |_| true).await;
 
-            let mut response = delegate
-                .http_client()
-                .get(&version.url, Default::default(), true)
-                .await
-                .context("downloading release")?;
-            match Self::GITHUB_ASSET_KIND {
-                AssetKind::TarGz => {
-                    let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
-                    let archive = Archive::new(decompressed_bytes);
-                    archive.unpack(&destination_path).await.with_context(|| {
-                        format!("extracting {} to {:?}", version.url, destination_path)
-                    })?;
-                }
-                AssetKind::Gz => {
-                    let mut decompressed_bytes =
-                        GzipDecoder::new(BufReader::new(response.body_mut()));
-                    let mut file =
-                        fs::File::create(&destination_path).await.with_context(|| {
-                            format!(
-                                "creating a file {:?} for a download from {}",
-                                destination_path, version.url,
-                            )
-                        })?;
-                    futures::io::copy(&mut decompressed_bytes, &mut file)
-                        .await
-                        .with_context(|| {
-                            format!("extracting {} to {:?}", version.url, destination_path)
-                        })?;
-                }
-                AssetKind::Zip => {
-                    extract_zip(&destination_path, response.body_mut())
-                        .await
-                        .with_context(|| {
-                            format!("unzipping {} to {:?}", version.url, destination_path)
-                        })?;
-                }
-            }
+            download_server_binary(
+                delegate,
+                &version.url,
+                None,
+                &destination_path,
+                Self::GITHUB_ASSET_KIND,
+            )
+            .await?;
 
             let mut dir = fs::read_dir(&destination_path).await?;
             let first = dir.next().await.context("missing first file")??;
diff --git a/crates/languages/src/typescript/highlights.scm b/crates/languages/src/typescript/highlights.scm
index 486e5a7684..84cbbae77d 100644
--- a/crates/languages/src/typescript/highlights.scm
+++ b/crates/languages/src/typescript/highlights.scm
@@ -167,6 +167,7 @@
   "&&="
   "||="
   "??="
+  "..."
 ] @operator
 
 (regex "/" @string.regex)
@@ -247,6 +248,7 @@
   "is"
   "keyof"
   "let"
+  "module"
   "namespace"
   "new"
   "of"
@@ -271,4 +273,4 @@
   "while"
   "with"
   "yield"
-] @keyword
\ No newline at end of file
+] @keyword
diff --git a/crates/languages/src/typescript/injections.scm b/crates/languages/src/typescript/injections.scm
index 7affdc5b75..1ca1e9ad59 100644
--- a/crates/languages/src/typescript/injections.scm
+++ b/crates/languages/src/typescript/injections.scm
@@ -15,6 +15,21 @@
                               (#set! injection.language "css"))
 )
 
+(call_expression
+  function: (member_expression
+    object: (identifier) @_obj (#eq? @_obj "styled")
+    property: (property_identifier))
+  arguments: (template_string (string_fragment) @injection.content
+                              (#set! injection.language "css"))
+)
+
+(call_expression
+  function: (call_expression
+    function: (identifier) @_name (#eq? @_name "styled"))
+  arguments: (template_string (string_fragment) @injection.content
+                              (#set! injection.language "css"))
+)
+
 (call_expression
   function: (identifier) @_name (#eq? @_name "html")
   arguments: (template_string) @injection.content
diff --git a/crates/languages/src/typescript/outline.scm b/crates/languages/src/typescript/outline.scm
index 5dafe791e4..f4261b9697 100644
--- a/crates/languages/src/typescript/outline.scm
+++ b/crates/languages/src/typescript/outline.scm
@@ -34,12 +34,16 @@
 (export_statement
     (lexical_declaration
         ["let" "const"] @context
+        ; Multiple names may be exported - @item is on the declarator to keep
+        ; ranges distinct.
         (variable_declarator
             name: (_) @name) @item))
 
 (program
     (lexical_declaration
         ["let" "const"] @context
+        ; Multiple names may be defined - @item is on the declarator to keep
+        ; ranges distinct.
         (variable_declarator
             name: (_) @name) @item))
 
diff --git a/crates/languages/src/vtsls.rs b/crates/languages/src/vtsls.rs
index ca07673d5f..f7152b0b5d 100644
--- a/crates/languages/src/vtsls.rs
+++ b/crates/languages/src/vtsls.rs
@@ -2,9 +2,9 @@ use anyhow::Result;
 use async_trait::async_trait;
 use collections::HashMap;
 use gpui::AsyncApp;
-use language::{LanguageToolchainStore, LspAdapter, LspAdapterDelegate};
+use language::{LanguageName, LspAdapter, LspAdapterDelegate, Toolchain};
 use lsp::{CodeActionKind, LanguageServerBinary, LanguageServerName};
-use node_runtime::NodeRuntime;
+use node_runtime::{NodeRuntime, VersionStrategy};
 use project::{Fs, lsp_store::language_server_settings};
 use serde_json::Value;
 use std::{
@@ -67,7 +67,7 @@ const SERVER_NAME: LanguageServerName = LanguageServerName::new_static("vtsls");
 #[async_trait(?Send)]
 impl LspAdapter for VtslsLspAdapter {
     fn name(&self) -> LanguageServerName {
-        SERVER_NAME.clone()
+        SERVER_NAME
     }
 
     async fn fetch_latest_server_version(
@@ -86,7 +86,7 @@ impl LspAdapter for VtslsLspAdapter {
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         let env = delegate.shell_env().await;
@@ -115,7 +115,7 @@ impl LspAdapter for VtslsLspAdapter {
                 Self::PACKAGE_NAME,
                 &server_path,
                 &container_dir,
-                &latest_version.server_version,
+                VersionStrategy::Latest(&latest_version.server_version),
             )
             .await
         {
@@ -128,7 +128,7 @@ impl LspAdapter for VtslsLspAdapter {
                 Self::TYPESCRIPT_PACKAGE_NAME,
                 &container_dir.join(Self::TYPESCRIPT_TSDK_PATH),
                 &container_dir,
-                &latest_version.typescript_version,
+                VersionStrategy::Latest(&latest_version.typescript_version),
             )
             .await
         {
@@ -211,7 +211,7 @@ impl LspAdapter for VtslsLspAdapter {
         self: Arc<Self>,
         fs: &dyn Fs,
         delegate: &Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         cx: &mut AsyncApp,
     ) -> Result<Value> {
         let tsdk_path = Self::tsdk_path(fs, delegate).await;
@@ -273,11 +273,11 @@ impl LspAdapter for VtslsLspAdapter {
         Ok(default_workspace_configuration)
     }
 
-    fn language_ids(&self) -> HashMap<String, String> {
+    fn language_ids(&self) -> HashMap<LanguageName, String> {
         HashMap::from_iter([
-            ("TypeScript".into(), "typescript".into()),
-            ("JavaScript".into(), "javascript".into()),
-            ("TSX".into(), "typescriptreact".into()),
+            (LanguageName::new("TypeScript"), "typescript".into()),
+            (LanguageName::new("JavaScript"), "javascript".into()),
+            (LanguageName::new("TSX"), "typescriptreact".into()),
         ])
     }
 }
diff --git a/crates/languages/src/yaml.rs b/crates/languages/src/yaml.rs
index 815605d524..b9197b12ae 100644
--- a/crates/languages/src/yaml.rs
+++ b/crates/languages/src/yaml.rs
@@ -2,11 +2,9 @@ use anyhow::{Context as _, Result};
 use async_trait::async_trait;
 use futures::StreamExt;
 use gpui::AsyncApp;
-use language::{
-    LanguageToolchainStore, LspAdapter, LspAdapterDelegate, language_settings::AllLanguageSettings,
-};
+use language::{LspAdapter, LspAdapterDelegate, Toolchain, language_settings::AllLanguageSettings};
 use lsp::{LanguageServerBinary, LanguageServerName};
-use node_runtime::NodeRuntime;
+use node_runtime::{NodeRuntime, VersionStrategy};
 use project::{Fs, lsp_store::language_server_settings};
 use serde_json::Value;
 use settings::{Settings, SettingsLocation};
@@ -40,7 +38,7 @@ impl YamlLspAdapter {
 #[async_trait(?Send)]
 impl LspAdapter for YamlLspAdapter {
     fn name(&self) -> LanguageServerName {
-        Self::SERVER_NAME.clone()
+        Self::SERVER_NAME
     }
 
     async fn fetch_latest_server_version(
@@ -57,7 +55,7 @@ impl LspAdapter for YamlLspAdapter {
     async fn check_if_user_installed(
         &self,
         delegate: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         let path = delegate.which(Self::SERVER_NAME.as_ref()).await?;
@@ -104,7 +102,12 @@ impl LspAdapter for YamlLspAdapter {
 
         let should_install_language_server = self
             .node
-            .should_install_npm_package(Self::PACKAGE_NAME, &server_path, &container_dir, &version)
+            .should_install_npm_package(
+                Self::PACKAGE_NAME,
+                &server_path,
+                container_dir,
+                VersionStrategy::Latest(version),
+            )
             .await;
 
         if should_install_language_server {
@@ -130,7 +133,7 @@ impl LspAdapter for YamlLspAdapter {
         self: Arc<Self>,
         _: &dyn Fs,
         delegate: &Arc<dyn LspAdapterDelegate>,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         cx: &mut AsyncApp,
     ) -> Result<Value> {
         let location = SettingsLocation {
diff --git a/crates/languages/src/yaml/config.toml b/crates/languages/src/yaml/config.toml
index 4dfb890c54..e54bceda1a 100644
--- a/crates/languages/src/yaml/config.toml
+++ b/crates/languages/src/yaml/config.toml
@@ -1,6 +1,6 @@
 name = "YAML"
 grammar = "yaml"
-path_suffixes = ["yml", "yaml"]
+path_suffixes = ["yml", "yaml", "pixi.lock"]
 line_comments = ["# "]
 autoclose_before = ",]}"
 brackets = [
diff --git a/crates/languages/src/yaml/outline.scm b/crates/languages/src/yaml/outline.scm
index 7ab007835f..c5a7f8e5d4 100644
--- a/crates/languages/src/yaml/outline.scm
+++ b/crates/languages/src/yaml/outline.scm
@@ -1 +1,9 @@
-(block_mapping_pair key: (flow_node (plain_scalar (string_scalar) @name))) @item
+(block_mapping_pair
+    key:
+        (flow_node
+            (plain_scalar
+                (string_scalar) @name))
+    value:
+        (flow_node
+            (plain_scalar
+                (string_scalar) @context))?) @item
diff --git a/crates/languages/src/yaml/overrides.scm b/crates/languages/src/yaml/overrides.scm
new file mode 100644
index 0000000000..9503051a62
--- /dev/null
+++ b/crates/languages/src/yaml/overrides.scm
@@ -0,0 +1,5 @@
+(comment) @comment.inclusive
+[
+  (single_quote_scalar)
+  (double_quote_scalar)
+] @string
diff --git a/crates/livekit_client/Cargo.toml b/crates/livekit_client/Cargo.toml
index 821fd5d390..3575325ac0 100644
--- a/crates/livekit_client/Cargo.toml
+++ b/crates/livekit_client/Cargo.toml
@@ -25,6 +25,7 @@ async-trait.workspace = true
 collections.workspace = true
 cpal.workspace = true
 futures.workspace = true
+audio.workspace = true
 gpui = { workspace = true, features = ["screen-capture", "x11", "wayland", "windows-manifest"] }
 gpui_tokio.workspace = true
 http_client_tls.workspace = true
@@ -35,10 +36,13 @@ nanoid.workspace = true
 parking_lot.workspace = true
 postage.workspace = true
 smallvec.workspace = true
+settings.workspace = true
 tokio-tungstenite.workspace = true
 util.workspace = true
 workspace-hack.workspace = true
 
+rodio = { workspace = true, features = ["wav_output"] }
+
 [target.'cfg(not(any(all(target_os = "windows", target_env = "gnu"), target_os = "freebsd")))'.dependencies]
 libwebrtc = { rev = "5f04705ac3f356350ae31534ffbc476abc9ea83d", git = "https://github.com/zed-industries/livekit-rust-sdks" }
 livekit = { rev = "5f04705ac3f356350ae31534ffbc476abc9ea83d", git = "https://github.com/zed-industries/livekit-rust-sdks", features = [
diff --git a/crates/livekit_client/examples/test_app.rs b/crates/livekit_client/examples/test_app.rs
index e1d01df534..7580642990 100644
--- a/crates/livekit_client/examples/test_app.rs
+++ b/crates/livekit_client/examples/test_app.rs
@@ -159,14 +159,14 @@ impl LivekitWindow {
                 if output
                     .audio_output_stream
                     .as_ref()
-                    .map_or(false, |(track, _)| track.sid() == unpublish_sid)
+                    .is_some_and(|(track, _)| track.sid() == unpublish_sid)
                 {
                     output.audio_output_stream.take();
                 }
                 if output
                     .screen_share_output_view
                     .as_ref()
-                    .map_or(false, |(track, _)| track.sid() == unpublish_sid)
+                    .is_some_and(|(track, _)| track.sid() == unpublish_sid)
                 {
                     output.screen_share_output_view.take();
                 }
@@ -183,7 +183,7 @@ impl LivekitWindow {
                 match track {
                     livekit_client::RemoteTrack::Audio(track) => {
                         output.audio_output_stream = Some((
-                            publication.clone(),
+                            publication,
                             room.play_remote_audio_track(&track, cx).unwrap(),
                         ));
                     }
diff --git a/crates/livekit_client/src/lib.rs b/crates/livekit_client/src/lib.rs
index 149859fdc8..055aa3704e 100644
--- a/crates/livekit_client/src/lib.rs
+++ b/crates/livekit_client/src/lib.rs
@@ -1,7 +1,13 @@
+use anyhow::Context as _;
 use collections::HashMap;
 
 mod remote_video_track_view;
+use cpal::traits::HostTrait as _;
 pub use remote_video_track_view::{RemoteVideoTrackView, RemoteVideoTrackViewEvent};
+use rodio::DeviceTrait as _;
+
+mod record;
+pub use record::CaptureInput;
 
 #[cfg(not(any(
     test,
@@ -18,6 +24,11 @@ mod livekit_client;
 )))]
 pub use livekit_client::*;
 
+// If you need proper LSP in livekit_client you've got to comment
+// - the cfg blocks above
+// - the mods: mock_client & test and their conditional blocks
+// - the pub use mock_client::* and their conditional blocks
+
 #[cfg(any(
     test,
     feature = "test-support",
@@ -168,3 +179,59 @@ pub enum RoomEvent {
     Reconnecting,
     Reconnected,
 }
+
+pub(crate) fn default_device(
+    input: bool,
+) -> anyhow::Result<(cpal::Device, cpal::SupportedStreamConfig)> {
+    let device;
+    let config;
+    if input {
+        device = cpal::default_host()
+            .default_input_device()
+            .context("no audio input device available")?;
+        config = device
+            .default_input_config()
+            .context("failed to get default input config")?;
+    } else {
+        device = cpal::default_host()
+            .default_output_device()
+            .context("no audio output device available")?;
+        config = device
+            .default_output_config()
+            .context("failed to get default output config")?;
+    }
+    Ok((device, config))
+}
+
+pub(crate) fn get_sample_data(
+    sample_format: cpal::SampleFormat,
+    data: &cpal::Data,
+) -> anyhow::Result<Vec<i16>> {
+    match sample_format {
+        cpal::SampleFormat::I8 => Ok(convert_sample_data::<i8, i16>(data)),
+        cpal::SampleFormat::I16 => Ok(data.as_slice::<i16>().unwrap().to_vec()),
+        cpal::SampleFormat::I24 => Ok(convert_sample_data::<cpal::I24, i16>(data)),
+        cpal::SampleFormat::I32 => Ok(convert_sample_data::<i32, i16>(data)),
+        cpal::SampleFormat::I64 => Ok(convert_sample_data::<i64, i16>(data)),
+        cpal::SampleFormat::U8 => Ok(convert_sample_data::<u8, i16>(data)),
+        cpal::SampleFormat::U16 => Ok(convert_sample_data::<u16, i16>(data)),
+        cpal::SampleFormat::U32 => Ok(convert_sample_data::<u32, i16>(data)),
+        cpal::SampleFormat::U64 => Ok(convert_sample_data::<u64, i16>(data)),
+        cpal::SampleFormat::F32 => Ok(convert_sample_data::<f32, i16>(data)),
+        cpal::SampleFormat::F64 => Ok(convert_sample_data::<f64, i16>(data)),
+        _ => anyhow::bail!("Unsupported sample format"),
+    }
+}
+
+pub(crate) fn convert_sample_data<
+    TSource: cpal::SizedSample,
+    TDest: cpal::SizedSample + cpal::FromSample<TSource>,
+>(
+    data: &cpal::Data,
+) -> Vec<TDest> {
+    data.as_slice::<TSource>()
+        .unwrap()
+        .iter()
+        .map(|e| e.to_sample::<TDest>())
+        .collect()
+}
diff --git a/crates/livekit_client/src/livekit_client.rs b/crates/livekit_client/src/livekit_client.rs
index 8f0ac1a456..0751b014f4 100644
--- a/crates/livekit_client/src/livekit_client.rs
+++ b/crates/livekit_client/src/livekit_client.rs
@@ -1,11 +1,14 @@
 use std::sync::Arc;
 
 use anyhow::{Context as _, Result};
+use audio::AudioSettings;
 use collections::HashMap;
 use futures::{SinkExt, channel::mpsc};
 use gpui::{App, AsyncApp, ScreenCaptureSource, ScreenCaptureStream, Task};
 use gpui_tokio::Tokio;
+use log::info;
 use playback::capture_local_video_track;
+use settings::Settings;
 
 mod playback;
 
@@ -123,9 +126,14 @@ impl Room {
     pub fn play_remote_audio_track(
         &self,
         track: &RemoteAudioTrack,
-        _cx: &App,
+        cx: &mut App,
     ) -> Result<playback::AudioStream> {
-        Ok(self.playback.play_remote_audio_track(&track.0))
+        if AudioSettings::get_global(cx).rodio_audio {
+            info!("Using experimental.rodio_audio audio pipeline");
+            playback::play_remote_audio_track(&track.0, cx)
+        } else {
+            Ok(self.playback.play_remote_audio_track(&track.0))
+        }
     }
 }
 
diff --git a/crates/livekit_client/src/livekit_client/playback.rs b/crates/livekit_client/src/livekit_client/playback.rs
index c62b8853b4..d6b64dbaca 100644
--- a/crates/livekit_client/src/livekit_client/playback.rs
+++ b/crates/livekit_client/src/livekit_client/playback.rs
@@ -1,6 +1,6 @@
 use anyhow::{Context as _, Result};
 
-use cpal::traits::{DeviceTrait, HostTrait, StreamTrait as _};
+use cpal::traits::{DeviceTrait, StreamTrait as _};
 use futures::channel::mpsc::UnboundedSender;
 use futures::{Stream, StreamExt as _};
 use gpui::{
@@ -18,13 +18,16 @@ use livekit::webrtc::{
     video_stream::native::NativeVideoStream,
 };
 use parking_lot::Mutex;
+use rodio::Source;
 use std::cell::RefCell;
 use std::sync::Weak;
-use std::sync::atomic::{self, AtomicI32};
+use std::sync::atomic::{AtomicBool, AtomicI32, Ordering};
 use std::time::Duration;
 use std::{borrow::Cow, collections::VecDeque, sync::Arc, thread};
 use util::{ResultExt as _, maybe};
 
+mod source;
+
 pub(crate) struct AudioStack {
     executor: BackgroundExecutor,
     apm: Arc<Mutex<apm::AudioProcessingModule>>,
@@ -40,6 +43,29 @@ pub(crate) struct AudioStack {
 const SAMPLE_RATE: u32 = 48000;
 const NUM_CHANNELS: u32 = 2;
 
+pub(crate) fn play_remote_audio_track(
+    track: &livekit::track::RemoteAudioTrack,
+    cx: &mut gpui::App,
+) -> Result<AudioStream> {
+    let stop_handle = Arc::new(AtomicBool::new(false));
+    let stop_handle_clone = stop_handle.clone();
+    let stream = source::LiveKitStream::new(cx.background_executor(), track)
+        .stoppable()
+        .periodic_access(Duration::from_millis(50), move |s| {
+            if stop_handle.load(Ordering::Relaxed) {
+                s.stop();
+            }
+        });
+    audio::Audio::play_source(stream, cx).context("Could not play audio")?;
+
+    let on_drop = util::defer(move || {
+        stop_handle_clone.store(true, Ordering::Relaxed);
+    });
+    Ok(AudioStream::Output {
+        _drop: Box::new(on_drop),
+    })
+}
+
 impl AudioStack {
     pub(crate) fn new(executor: BackgroundExecutor) -> Self {
         let apm = Arc::new(Mutex::new(apm::AudioProcessingModule::new(
@@ -61,7 +87,7 @@ impl AudioStack {
     ) -> AudioStream {
         let output_task = self.start_output();
 
-        let next_ssrc = self.next_ssrc.fetch_add(1, atomic::Ordering::Relaxed);
+        let next_ssrc = self.next_ssrc.fetch_add(1, Ordering::Relaxed);
         let source = AudioMixerSource {
             ssrc: next_ssrc,
             sample_rate: SAMPLE_RATE,
@@ -97,6 +123,23 @@ impl AudioStack {
         }
     }
 
+    fn start_output(&self) -> Arc<Task<()>> {
+        if let Some(task) = self._output_task.borrow().upgrade() {
+            return task;
+        }
+        let task = Arc::new(self.executor.spawn({
+            let apm = self.apm.clone();
+            let mixer = self.mixer.clone();
+            async move {
+                Self::play_output(apm, mixer, SAMPLE_RATE, NUM_CHANNELS)
+                    .await
+                    .log_err();
+            }
+        }));
+        *self._output_task.borrow_mut() = Arc::downgrade(&task);
+        task
+    }
+
     pub(crate) fn capture_local_microphone_track(
         &self,
     ) -> Result<(crate::LocalAudioTrack, AudioStream)> {
@@ -117,7 +160,6 @@ impl AudioStack {
 
         let (frame_tx, mut frame_rx) = futures::channel::mpsc::unbounded();
         let transmit_task = self.executor.spawn({
-            let source = source.clone();
             async move {
                 while let Some(frame) = frame_rx.next().await {
                     source.capture_frame(&frame).await.log_err();
@@ -132,29 +174,12 @@ impl AudioStack {
             drop(transmit_task);
             drop(capture_task);
         });
-        return Ok((
+        Ok((
             super::LocalAudioTrack(track),
             AudioStream::Output {
                 _drop: Box::new(on_drop),
             },
-        ));
-    }
-
-    fn start_output(&self) -> Arc<Task<()>> {
-        if let Some(task) = self._output_task.borrow().upgrade() {
-            return task;
-        }
-        let task = Arc::new(self.executor.spawn({
-            let apm = self.apm.clone();
-            let mixer = self.mixer.clone();
-            async move {
-                Self::play_output(apm, mixer, SAMPLE_RATE, NUM_CHANNELS)
-                    .await
-                    .log_err();
-            }
-        }));
-        *self._output_task.borrow_mut() = Arc::downgrade(&task);
-        task
+        ))
     }
 
     async fn play_output(
@@ -165,7 +190,7 @@ impl AudioStack {
     ) -> Result<()> {
         loop {
             let mut device_change_listener = DeviceChangeListener::new(false)?;
-            let (output_device, output_config) = default_device(false)?;
+            let (output_device, output_config) = crate::default_device(false)?;
             let (end_on_drop_tx, end_on_drop_rx) = std::sync::mpsc::channel::<()>();
             let mixer = mixer.clone();
             let apm = apm.clone();
@@ -237,7 +262,7 @@ impl AudioStack {
     ) -> Result<()> {
         loop {
             let mut device_change_listener = DeviceChangeListener::new(true)?;
-            let (device, config) = default_device(true)?;
+            let (device, config) = crate::default_device(true)?;
             let (end_on_drop_tx, end_on_drop_rx) = std::sync::mpsc::channel::<()>();
             let apm = apm.clone();
             let frame_tx = frame_tx.clone();
@@ -258,9 +283,15 @@ impl AudioStack {
                     let stream = device
                         .build_input_stream_raw(
                             &config.config(),
-                            cpal::SampleFormat::I16,
+                            config.sample_format(),
                             move |data, _: &_| {
-                                let mut data = data.as_slice::<i16>().unwrap();
+                                let data =
+                                    crate::get_sample_data(config.sample_format(), data).log_err();
+                                let Some(data) = data else {
+                                    return;
+                                };
+                                let mut data = data.as_slice();
+
                                 while data.len() > 0 {
                                     let remainder = (buf.capacity() - buf.len()).min(data.len());
                                     buf.extend_from_slice(&data[..remainder]);
@@ -359,27 +390,6 @@ pub(crate) async fn capture_local_video_track(
     ))
 }
 
-fn default_device(input: bool) -> Result<(cpal::Device, cpal::SupportedStreamConfig)> {
-    let device;
-    let config;
-    if input {
-        device = cpal::default_host()
-            .default_input_device()
-            .context("no audio input device available")?;
-        config = device
-            .default_input_config()
-            .context("failed to get default input config")?;
-    } else {
-        device = cpal::default_host()
-            .default_output_device()
-            .context("no audio output device available")?;
-        config = device
-            .default_output_config()
-            .context("failed to get default output config")?;
-    }
-    Ok((device, config))
-}
-
 #[derive(Clone)]
 struct AudioMixerSource {
     ssrc: i32,
diff --git a/crates/livekit_client/src/livekit_client/playback/source.rs b/crates/livekit_client/src/livekit_client/playback/source.rs
new file mode 100644
index 0000000000..021640247d
--- /dev/null
+++ b/crates/livekit_client/src/livekit_client/playback/source.rs
@@ -0,0 +1,67 @@
+use futures::StreamExt;
+use libwebrtc::{audio_stream::native::NativeAudioStream, prelude::AudioFrame};
+use livekit::track::RemoteAudioTrack;
+use rodio::{Source, buffer::SamplesBuffer, conversions::SampleTypeConverter};
+
+use crate::livekit_client::playback::{NUM_CHANNELS, SAMPLE_RATE};
+
+fn frame_to_samplesbuffer(frame: AudioFrame) -> SamplesBuffer {
+    let samples = frame.data.iter().copied();
+    let samples = SampleTypeConverter::<_, _>::new(samples);
+    let samples: Vec<f32> = samples.collect();
+    SamplesBuffer::new(frame.num_channels as u16, frame.sample_rate, samples)
+}
+
+pub struct LiveKitStream {
+    // shared_buffer: SharedBuffer,
+    inner: rodio::queue::SourcesQueueOutput,
+    _receiver_task: gpui::Task<()>,
+}
+
+impl LiveKitStream {
+    pub fn new(executor: &gpui::BackgroundExecutor, track: &RemoteAudioTrack) -> Self {
+        let mut stream =
+            NativeAudioStream::new(track.rtc_track(), SAMPLE_RATE as i32, NUM_CHANNELS as i32);
+        let (queue_input, queue_output) = rodio::queue::queue(true);
+        // spawn rtc stream
+        let receiver_task = executor.spawn({
+            async move {
+                while let Some(frame) = stream.next().await {
+                    let samples = frame_to_samplesbuffer(frame);
+                    queue_input.append(samples);
+                }
+            }
+        });
+
+        LiveKitStream {
+            _receiver_task: receiver_task,
+            inner: queue_output,
+        }
+    }
+}
+
+impl Iterator for LiveKitStream {
+    type Item = rodio::Sample;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        self.inner.next()
+    }
+}
+
+impl Source for LiveKitStream {
+    fn current_span_len(&self) -> Option<usize> {
+        self.inner.current_span_len()
+    }
+
+    fn channels(&self) -> rodio::ChannelCount {
+        self.inner.channels()
+    }
+
+    fn sample_rate(&self) -> rodio::SampleRate {
+        self.inner.sample_rate()
+    }
+
+    fn total_duration(&self) -> Option<std::time::Duration> {
+        self.inner.total_duration()
+    }
+}
diff --git a/crates/livekit_client/src/record.rs b/crates/livekit_client/src/record.rs
new file mode 100644
index 0000000000..925c0d4c67
--- /dev/null
+++ b/crates/livekit_client/src/record.rs
@@ -0,0 +1,91 @@
+use std::{
+    env,
+    path::{Path, PathBuf},
+    sync::{Arc, Mutex},
+    time::Duration,
+};
+
+use anyhow::{Context, Result};
+use cpal::traits::{DeviceTrait, StreamTrait};
+use rodio::{buffer::SamplesBuffer, conversions::SampleTypeConverter};
+use util::ResultExt;
+
+pub struct CaptureInput {
+    pub name: String,
+    config: cpal::SupportedStreamConfig,
+    samples: Arc<Mutex<Vec<i16>>>,
+    _stream: cpal::Stream,
+}
+
+impl CaptureInput {
+    pub fn start() -> anyhow::Result<Self> {
+        let (device, config) = crate::default_device(true)?;
+        let name = device.name().unwrap_or("<unknown>".to_string());
+        log::info!("Using microphone: {}", name);
+
+        let samples = Arc::new(Mutex::new(Vec::new()));
+        let stream = start_capture(device, config.clone(), samples.clone())?;
+
+        Ok(Self {
+            name,
+            _stream: stream,
+            config,
+            samples,
+        })
+    }
+
+    pub fn finish(self) -> Result<PathBuf> {
+        let name = self.name;
+        let mut path = env::current_dir().context("Could not get current dir")?;
+        path.push(&format!("test_recording_{name}.wav"));
+        log::info!("Test recording written to: {}", path.display());
+        write_out(self.samples, self.config, &path)?;
+        Ok(path)
+    }
+}
+
+fn start_capture(
+    device: cpal::Device,
+    config: cpal::SupportedStreamConfig,
+    samples: Arc<Mutex<Vec<i16>>>,
+) -> Result<cpal::Stream> {
+    let stream = device
+        .build_input_stream_raw(
+            &config.config(),
+            config.sample_format(),
+            move |data, _: &_| {
+                let data = crate::get_sample_data(config.sample_format(), data).log_err();
+                let Some(data) = data else {
+                    return;
+                };
+                samples
+                    .try_lock()
+                    .expect("Only locked after stream ends")
+                    .extend_from_slice(&data);
+            },
+            |err| log::error!("error capturing audio track: {:?}", err),
+            Some(Duration::from_millis(100)),
+        )
+        .context("failed to build input stream")?;
+
+    stream.play()?;
+    Ok(stream)
+}
+
+fn write_out(
+    samples: Arc<Mutex<Vec<i16>>>,
+    config: cpal::SupportedStreamConfig,
+    path: &Path,
+) -> Result<()> {
+    let samples = std::mem::take(
+        &mut *samples
+            .try_lock()
+            .expect("Stream has ended, callback cant hold the lock"),
+    );
+    let samples: Vec<f32> = SampleTypeConverter::<_, f32>::new(samples.into_iter()).collect();
+    let mut samples = SamplesBuffer::new(config.channels(), config.sample_rate().0, samples);
+    match rodio::output_to_wav(&mut samples, path) {
+        Ok(_) => Ok(()),
+        Err(e) => Err(anyhow::anyhow!("Failed to write wav file: {}", e)),
+    }
+}
diff --git a/crates/livekit_client/src/test.rs b/crates/livekit_client/src/test.rs
index e02c4d876f..873e0222d0 100644
--- a/crates/livekit_client/src/test.rs
+++ b/crates/livekit_client/src/test.rs
@@ -421,7 +421,7 @@ impl TestServer {
         track_sid: &TrackSid,
         muted: bool,
     ) -> Result<()> {
-        let claims = livekit_api::token::validate(&token, &self.secret_key)?;
+        let claims = livekit_api::token::validate(token, &self.secret_key)?;
         let room_name = claims.video.room.unwrap();
         let identity = ParticipantIdentity(claims.sub.unwrap().to_string());
         let mut server_rooms = self.rooms.lock();
@@ -475,7 +475,7 @@ impl TestServer {
     }
 
     pub(crate) fn is_track_muted(&self, token: &str, track_sid: &TrackSid) -> Option<bool> {
-        let claims = livekit_api::token::validate(&token, &self.secret_key).ok()?;
+        let claims = livekit_api::token::validate(token, &self.secret_key).ok()?;
         let room_name = claims.video.room.unwrap();
 
         let mut server_rooms = self.rooms.lock();
@@ -736,14 +736,14 @@ impl Room {
 
 impl Drop for RoomState {
     fn drop(&mut self) {
-        if self.connection_state == ConnectionState::Connected {
-            if let Ok(server) = TestServer::get(&self.url) {
-                let executor = server.executor.clone();
-                let token = self.token.clone();
-                executor
-                    .spawn(async move { server.leave_room(token).await.ok() })
-                    .detach();
-            }
+        if self.connection_state == ConnectionState::Connected
+            && let Ok(server) = TestServer::get(&self.url)
+        {
+            let executor = server.executor.clone();
+            let token = self.token.clone();
+            executor
+                .spawn(async move { server.leave_room(token).await.ok() })
+                .detach();
         }
     }
 }
diff --git a/crates/lsp/src/input_handler.rs b/crates/lsp/src/input_handler.rs
index db3f1190fc..001ebf1fc9 100644
--- a/crates/lsp/src/input_handler.rs
+++ b/crates/lsp/src/input_handler.rs
@@ -13,14 +13,15 @@ use parking_lot::Mutex;
 use smol::io::BufReader;
 
 use crate::{
-    AnyNotification, AnyResponse, CONTENT_LEN_HEADER, IoHandler, IoKind, RequestId, ResponseHandler,
+    AnyResponse, CONTENT_LEN_HEADER, IoHandler, IoKind, NotificationOrRequest, RequestId,
+    ResponseHandler,
 };
 
 const HEADER_DELIMITER: &[u8; 4] = b"\r\n\r\n";
 /// Handler for stdout of language server.
 pub struct LspStdoutHandler {
     pub(super) loop_handle: Task<Result<()>>,
-    pub(super) notifications_channel: UnboundedReceiver<AnyNotification>,
+    pub(super) incoming_messages: UnboundedReceiver<NotificationOrRequest>,
 }
 
 async fn read_headers<Stdout>(reader: &mut BufReader<Stdout>, buffer: &mut Vec<u8>) -> Result<()>
@@ -54,13 +55,13 @@ impl LspStdoutHandler {
         let loop_handle = cx.spawn(Self::handler(stdout, tx, response_handlers, io_handlers));
         Self {
             loop_handle,
-            notifications_channel,
+            incoming_messages: notifications_channel,
         }
     }
 
     async fn handler<Input>(
         stdout: Input,
-        notifications_sender: UnboundedSender<AnyNotification>,
+        notifications_sender: UnboundedSender<NotificationOrRequest>,
         response_handlers: Arc<Mutex<Option<HashMap<RequestId, ResponseHandler>>>>,
         io_handlers: Arc<Mutex<HashMap<i32, IoHandler>>>,
     ) -> anyhow::Result<()>
@@ -96,7 +97,7 @@ impl LspStdoutHandler {
                 }
             }
 
-            if let Ok(msg) = serde_json::from_slice::<AnyNotification>(&buffer) {
+            if let Ok(msg) = serde_json::from_slice::<NotificationOrRequest>(&buffer) {
                 notifications_sender.unbounded_send(msg)?;
             } else if let Ok(AnyResponse {
                 id, error, result, ..
diff --git a/crates/lsp/src/lsp.rs b/crates/lsp/src/lsp.rs
index b9701a83d2..942225d098 100644
--- a/crates/lsp/src/lsp.rs
+++ b/crates/lsp/src/lsp.rs
@@ -45,7 +45,7 @@ use util::{ConnectionResult, ResultExt, TryFutureExt, redact};
 const JSON_RPC_VERSION: &str = "2.0";
 const CONTENT_LEN_HEADER: &str = "Content-Length: ";
 
-const LSP_REQUEST_TIMEOUT: Duration = Duration::from_secs(60 * 2);
+pub const LSP_REQUEST_TIMEOUT: Duration = Duration::from_secs(60 * 2);
 const SERVER_SHUTDOWN_TIMEOUT: Duration = Duration::from_secs(5);
 
 type NotificationHandler = Box<dyn Send + FnMut(Option<RequestId>, Value, &mut AsyncApp)>;
@@ -242,7 +242,7 @@ struct Notification<'a, T> {
 
 /// Language server RPC notification message before it is deserialized into a concrete type.
 #[derive(Debug, Clone, Deserialize)]
-struct AnyNotification {
+struct NotificationOrRequest {
     #[serde(default)]
     id: Option<RequestId>,
     method: String,
@@ -252,7 +252,10 @@ struct AnyNotification {
 
 #[derive(Debug, Serialize, Deserialize)]
 struct Error {
+    code: i64,
     message: String,
+    #[serde(default)]
+    data: Option<serde_json::Value>,
 }
 
 pub trait LspRequestFuture<O>: Future<Output = ConnectionResult<O>> {
@@ -315,6 +318,8 @@ impl LanguageServer {
         } else {
             root_path.parent().unwrap_or_else(|| Path::new("/"))
         };
+        let root_uri = Url::from_file_path(&working_dir)
+            .map_err(|()| anyhow!("{working_dir:?} is not a valid URI"))?;
 
         log::info!(
             "starting language server process. binary path: {:?}, working directory: {:?}, args: {:?}",
@@ -342,8 +347,6 @@ impl LanguageServer {
         let stdin = server.stdin.take().unwrap();
         let stdout = server.stdout.take().unwrap();
         let stderr = server.stderr.take().unwrap();
-        let root_uri = Url::from_file_path(&working_dir)
-            .map_err(|()| anyhow!("{working_dir:?} is not a valid URI"))?;
         let server = Self::new_internal(
             server_id,
             server_name,
@@ -364,6 +367,7 @@ impl LanguageServer {
                     notification.method,
                     serde_json::to_string_pretty(&notification.params).unwrap(),
                 );
+                false
             },
         );
 
@@ -389,7 +393,7 @@ impl LanguageServer {
         Stdin: AsyncWrite + Unpin + Send + 'static,
         Stdout: AsyncRead + Unpin + Send + 'static,
         Stderr: AsyncRead + Unpin + Send + 'static,
-        F: FnMut(AnyNotification) + 'static + Send + Sync + Clone,
+        F: Fn(&NotificationOrRequest) -> bool + 'static + Send + Sync + Clone,
     {
         let (outbound_tx, outbound_rx) = channel::unbounded::<String>();
         let (output_done_tx, output_done_rx) = barrier::channel();
@@ -400,14 +404,34 @@ impl LanguageServer {
         let io_handlers = Arc::new(Mutex::new(HashMap::default()));
 
         let stdout_input_task = cx.spawn({
-            let on_unhandled_notification = on_unhandled_notification.clone();
+            let unhandled_notification_wrapper = {
+                let response_channel = outbound_tx.clone();
+                async move |msg: NotificationOrRequest| {
+                    let did_handle = on_unhandled_notification(&msg);
+                    if !did_handle && let Some(message_id) = msg.id {
+                        let response = AnyResponse {
+                            jsonrpc: JSON_RPC_VERSION,
+                            id: message_id,
+                            error: Some(Error {
+                                code: -32601,
+                                message: format!("Unrecognized method `{}`", msg.method),
+                                data: None,
+                            }),
+                            result: None,
+                        };
+                        if let Ok(response) = serde_json::to_string(&response) {
+                            response_channel.send(response).await.ok();
+                        }
+                    }
+                }
+            };
             let notification_handlers = notification_handlers.clone();
             let response_handlers = response_handlers.clone();
             let io_handlers = io_handlers.clone();
             async move |cx| {
-                Self::handle_input(
+                Self::handle_incoming_messages(
                     stdout,
-                    on_unhandled_notification,
+                    unhandled_notification_wrapper,
                     notification_handlers,
                     response_handlers,
                     io_handlers,
@@ -433,7 +457,7 @@ impl LanguageServer {
             stdout.or(stderr)
         });
         let output_task = cx.background_spawn({
-            Self::handle_output(
+            Self::handle_outgoing_messages(
                 stdin,
                 outbound_rx,
                 output_done_tx,
@@ -479,9 +503,9 @@ impl LanguageServer {
         self.code_action_kinds.clone()
     }
 
-    async fn handle_input<Stdout, F>(
+    async fn handle_incoming_messages<Stdout>(
         stdout: Stdout,
-        mut on_unhandled_notification: F,
+        on_unhandled_notification: impl AsyncFn(NotificationOrRequest) + 'static + Send,
         notification_handlers: Arc<Mutex<HashMap<&'static str, NotificationHandler>>>,
         response_handlers: Arc<Mutex<Option<HashMap<RequestId, ResponseHandler>>>>,
         io_handlers: Arc<Mutex<HashMap<i32, IoHandler>>>,
@@ -489,7 +513,6 @@ impl LanguageServer {
     ) -> anyhow::Result<()>
     where
         Stdout: AsyncRead + Unpin + Send + 'static,
-        F: FnMut(AnyNotification) + 'static + Send,
     {
         use smol::stream::StreamExt;
         let stdout = BufReader::new(stdout);
@@ -506,15 +529,19 @@ impl LanguageServer {
             cx.background_executor().clone(),
         );
 
-        while let Some(msg) = input_handler.notifications_channel.next().await {
-            {
+        while let Some(msg) = input_handler.incoming_messages.next().await {
+            let unhandled_message = {
                 let mut notification_handlers = notification_handlers.lock();
                 if let Some(handler) = notification_handlers.get_mut(msg.method.as_str()) {
                     handler(msg.id, msg.params.unwrap_or(Value::Null), cx);
+                    None
                 } else {
-                    drop(notification_handlers);
-                    on_unhandled_notification(msg);
+                    Some(msg)
                 }
+            };
+
+            if let Some(msg) = unhandled_message {
+                on_unhandled_notification(msg).await;
             }
 
             // Don't starve the main thread when receiving lots of notifications at once.
@@ -558,7 +585,7 @@ impl LanguageServer {
         }
     }
 
-    async fn handle_output<Stdin>(
+    async fn handle_outgoing_messages<Stdin>(
         stdin: Stdin,
         outbound_rx: channel::Receiver<String>,
         output_done_tx: barrier::Sender,
@@ -624,7 +651,7 @@ impl LanguageServer {
             capabilities: ClientCapabilities {
                 general: Some(GeneralClientCapabilities {
                     position_encodings: Some(vec![PositionEncodingKind::UTF16]),
-                    ..Default::default()
+                    ..GeneralClientCapabilities::default()
                 }),
                 workspace: Some(WorkspaceClientCapabilities {
                     configuration: Some(true),
@@ -638,6 +665,7 @@ impl LanguageServer {
                     workspace_folders: Some(true),
                     symbol: Some(WorkspaceSymbolClientCapabilities {
                         resolve_support: None,
+                        dynamic_registration: Some(true),
                         ..WorkspaceSymbolClientCapabilities::default()
                     }),
                     inlay_hint: Some(InlayHintWorkspaceClientCapabilities {
@@ -661,21 +689,21 @@ impl LanguageServer {
                         ..WorkspaceEditClientCapabilities::default()
                     }),
                     file_operations: Some(WorkspaceFileOperationsClientCapabilities {
-                        dynamic_registration: Some(false),
+                        dynamic_registration: Some(true),
                         did_rename: Some(true),
                         will_rename: Some(true),
-                        ..Default::default()
+                        ..WorkspaceFileOperationsClientCapabilities::default()
                     }),
                     apply_edit: Some(true),
                     execute_command: Some(ExecuteCommandClientCapabilities {
-                        dynamic_registration: Some(false),
+                        dynamic_registration: Some(true),
                     }),
-                    ..Default::default()
+                    ..WorkspaceClientCapabilities::default()
                 }),
                 text_document: Some(TextDocumentClientCapabilities {
                     definition: Some(GotoCapability {
                         link_support: Some(true),
-                        dynamic_registration: None,
+                        dynamic_registration: Some(true),
                     }),
                     code_action: Some(CodeActionClientCapabilities {
                         code_action_literal_support: Some(CodeActionLiteralSupport {
@@ -698,7 +726,8 @@ impl LanguageServer {
                                 "command".to_string(),
                             ],
                         }),
-                        ..Default::default()
+                        dynamic_registration: Some(true),
+                        ..CodeActionClientCapabilities::default()
                     }),
                     completion: Some(CompletionClientCapabilities {
                         completion_item: Some(CompletionItemCapability {
@@ -720,7 +749,11 @@ impl LanguageServer {
                                     InsertTextMode::ADJUST_INDENTATION,
                                 ],
                             }),
-                            ..Default::default()
+                            documentation_format: Some(vec![
+                                MarkupKind::Markdown,
+                                MarkupKind::PlainText,
+                            ]),
+                            ..CompletionItemCapability::default()
                         }),
                         insert_text_mode: Some(InsertTextMode::ADJUST_INDENTATION),
                         completion_list: Some(CompletionListCapability {
@@ -733,18 +766,20 @@ impl LanguageServer {
                             ]),
                         }),
                         context_support: Some(true),
-                        ..Default::default()
+                        dynamic_registration: Some(true),
+                        ..CompletionClientCapabilities::default()
                     }),
                     rename: Some(RenameClientCapabilities {
                         prepare_support: Some(true),
                         prepare_support_default_behavior: Some(
                             PrepareSupportDefaultBehavior::IDENTIFIER,
                         ),
-                        ..Default::default()
+                        dynamic_registration: Some(true),
+                        ..RenameClientCapabilities::default()
                     }),
                     hover: Some(HoverClientCapabilities {
                         content_format: Some(vec![MarkupKind::Markdown]),
-                        dynamic_registration: None,
+                        dynamic_registration: Some(true),
                     }),
                     inlay_hint: Some(InlayHintClientCapabilities {
                         resolve_support: Some(InlayHintResolveClientCapabilities {
@@ -756,7 +791,7 @@ impl LanguageServer {
                                 "label.command".to_string(),
                             ],
                         }),
-                        dynamic_registration: Some(false),
+                        dynamic_registration: Some(true),
                     }),
                     publish_diagnostics: Some(PublishDiagnosticsClientCapabilities {
                         related_information: Some(true),
@@ -787,26 +822,29 @@ impl LanguageServer {
                             }),
                             active_parameter_support: Some(true),
                         }),
+                        dynamic_registration: Some(true),
                         ..SignatureHelpClientCapabilities::default()
                     }),
                     synchronization: Some(TextDocumentSyncClientCapabilities {
                         did_save: Some(true),
+                        dynamic_registration: Some(true),
                         ..TextDocumentSyncClientCapabilities::default()
                     }),
                     code_lens: Some(CodeLensClientCapabilities {
-                        dynamic_registration: Some(false),
+                        dynamic_registration: Some(true),
                     }),
                     document_symbol: Some(DocumentSymbolClientCapabilities {
                         hierarchical_document_symbol_support: Some(true),
+                        dynamic_registration: Some(true),
                         ..DocumentSymbolClientCapabilities::default()
                     }),
                     diagnostic: Some(DiagnosticClientCapabilities {
-                        dynamic_registration: Some(false),
+                        dynamic_registration: Some(true),
                         related_document_support: Some(true),
                     })
                     .filter(|_| pull_diagnostics),
                     color_provider: Some(DocumentColorClientCapabilities {
-                        dynamic_registration: Some(false),
+                        dynamic_registration: Some(true),
                     }),
                     ..TextDocumentClientCapabilities::default()
                 }),
@@ -819,7 +857,7 @@ impl LanguageServer {
                     show_message: Some(ShowMessageRequestClientCapabilities {
                         message_action_item: None,
                     }),
-                    ..Default::default()
+                    ..WindowClientCapabilities::default()
                 }),
             },
             trace: None,
@@ -831,8 +869,7 @@ impl LanguageServer {
                 }
             }),
             locale: None,
-
-            ..Default::default()
+            ..InitializeParams::default()
         }
     }
 
@@ -1036,7 +1073,9 @@ impl LanguageServer {
                                                 jsonrpc: JSON_RPC_VERSION,
                                                 id,
                                                 value: LspResult::Error(Some(Error {
+                                                    code: lsp_types::error_codes::REQUEST_FAILED,
                                                     message: error.to_string(),
+                                                    data: None,
                                                 })),
                                             },
                                         };
@@ -1057,7 +1096,9 @@ impl LanguageServer {
                                 id,
                                 result: None,
                                 error: Some(Error {
+                                    code: -32700, // Parse error
                                     message: error.to_string(),
+                                    data: None,
                                 }),
                             };
                             if let Some(response) = serde_json::to_string(&response).log_err() {
@@ -1559,7 +1600,7 @@ impl FakeLanguageServer {
             root,
             Some(workspace_folders.clone()),
             cx,
-            |_| {},
+            |_| false,
         );
         server.process_name = process_name;
         let fake = FakeLanguageServer {
@@ -1582,9 +1623,10 @@ impl FakeLanguageServer {
                         notifications_tx
                             .try_send((
                                 msg.method.to_string(),
-                                msg.params.unwrap_or(Value::Null).to_string(),
+                                msg.params.as_ref().unwrap_or(&Value::Null).to_string(),
                             ))
                             .ok();
+                        true
                     },
                 );
                 server.process_name = name.as_str().into();
@@ -1636,7 +1678,7 @@ impl LanguageServer {
             workspace_symbol_provider: Some(OneOf::Left(true)),
             implementation_provider: Some(ImplementationProviderCapability::Simple(true)),
             type_definition_provider: Some(TypeDefinitionProviderCapability::Simple(true)),
-            ..Default::default()
+            ..ServerCapabilities::default()
         }
     }
 }
@@ -1862,7 +1904,7 @@ mod tests {
     #[gpui::test]
     fn test_deserialize_string_digit_id() {
         let json = r#"{"jsonrpc":"2.0","id":"2","method":"workspace/configuration","params":{"items":[{"scopeUri":"file:///Users/mph/Devel/personal/hello-scala/","section":"metals"}]}}"#;
-        let notification = serde_json::from_str::<AnyNotification>(json)
+        let notification = serde_json::from_str::<NotificationOrRequest>(json)
             .expect("message with string id should be parsed");
         let expected_id = RequestId::Str("2".to_string());
         assert_eq!(notification.id, Some(expected_id));
@@ -1871,7 +1913,7 @@ mod tests {
     #[gpui::test]
     fn test_deserialize_string_id() {
         let json = r#"{"jsonrpc":"2.0","id":"anythingAtAll","method":"workspace/configuration","params":{"items":[{"scopeUri":"file:///Users/mph/Devel/personal/hello-scala/","section":"metals"}]}}"#;
-        let notification = serde_json::from_str::<AnyNotification>(json)
+        let notification = serde_json::from_str::<NotificationOrRequest>(json)
             .expect("message with string id should be parsed");
         let expected_id = RequestId::Str("anythingAtAll".to_string());
         assert_eq!(notification.id, Some(expected_id));
@@ -1880,7 +1922,7 @@ mod tests {
     #[gpui::test]
     fn test_deserialize_int_id() {
         let json = r#"{"jsonrpc":"2.0","id":2,"method":"workspace/configuration","params":{"items":[{"scopeUri":"file:///Users/mph/Devel/personal/hello-scala/","section":"metals"}]}}"#;
-        let notification = serde_json::from_str::<AnyNotification>(json)
+        let notification = serde_json::from_str::<NotificationOrRequest>(json)
             .expect("message with string id should be parsed");
         let expected_id = RequestId::Int(2);
         assert_eq!(notification.id, Some(expected_id));
diff --git a/crates/markdown/examples/markdown.rs b/crates/markdown/examples/markdown.rs
index bf685bd9ac..c651c7921d 100644
--- a/crates/markdown/examples/markdown.rs
+++ b/crates/markdown/examples/markdown.rs
@@ -77,16 +77,16 @@ impl Render for MarkdownExample {
     fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let markdown_style = MarkdownStyle {
             base_text_style: gpui::TextStyle {
-                font_family: "Zed Plex Sans".into(),
+                font_family: ".ZedSans".into(),
                 color: cx.theme().colors().terminal_ansi_black,
                 ..Default::default()
             },
             code_block: StyleRefinement::default()
-                .font_family("Zed Plex Mono")
+                .font_family(".ZedMono")
                 .m(rems(1.))
                 .bg(rgb(0xAAAAAAA)),
             inline_code: gpui::TextStyleRefinement {
-                font_family: Some("Zed Mono".into()),
+                font_family: Some(".ZedMono".into()),
                 color: Some(cx.theme().colors().editor_foreground),
                 background_color: Some(cx.theme().colors().editor_background),
                 ..Default::default()
diff --git a/crates/markdown/examples/markdown_as_child.rs b/crates/markdown/examples/markdown_as_child.rs
index 862b657c8c..16c198601a 100644
--- a/crates/markdown/examples/markdown_as_child.rs
+++ b/crates/markdown/examples/markdown_as_child.rs
@@ -30,7 +30,7 @@ pub fn main() {
 
         let node_runtime = NodeRuntime::unavailable();
         let language_registry = Arc::new(LanguageRegistry::new(cx.background_executor().clone()));
-        languages::init(language_registry.clone(), node_runtime, cx);
+        languages::init(language_registry, node_runtime, cx);
         theme::init(LoadThemes::JustBase, cx);
         Assets.load_fonts(cx).unwrap();
 
diff --git a/crates/markdown/src/markdown.rs b/crates/markdown/src/markdown.rs
index dba4bc64b1..f16da45d79 100644
--- a/crates/markdown/src/markdown.rs
+++ b/crates/markdown/src/markdown.rs
@@ -340,27 +340,26 @@ impl Markdown {
             }
 
             for (range, event) in &events {
-                if let MarkdownEvent::Start(MarkdownTag::Image { dest_url, .. }) = event {
-                    if let Some(data_url) = dest_url.strip_prefix("data:") {
-                        let Some((mime_info, data)) = data_url.split_once(',') else {
-                            continue;
-                        };
-                        let Some((mime_type, encoding)) = mime_info.split_once(';') else {
-                            continue;
-                        };
-                        let Some(format) = ImageFormat::from_mime_type(mime_type) else {
-                            continue;
-                        };
-                        let is_base64 = encoding == "base64";
-                        if is_base64 {
-                            if let Some(bytes) = base64::prelude::BASE64_STANDARD
-                                .decode(data)
-                                .log_with_level(Level::Debug)
-                            {
-                                let image = Arc::new(Image::from_bytes(format, bytes));
-                                images_by_source_offset.insert(range.start, image);
-                            }
-                        }
+                if let MarkdownEvent::Start(MarkdownTag::Image { dest_url, .. }) = event
+                    && let Some(data_url) = dest_url.strip_prefix("data:")
+                {
+                    let Some((mime_info, data)) = data_url.split_once(',') else {
+                        continue;
+                    };
+                    let Some((mime_type, encoding)) = mime_info.split_once(';') else {
+                        continue;
+                    };
+                    let Some(format) = ImageFormat::from_mime_type(mime_type) else {
+                        continue;
+                    };
+                    let is_base64 = encoding == "base64";
+                    if is_base64
+                        && let Some(bytes) = base64::prelude::BASE64_STANDARD
+                            .decode(data)
+                            .log_with_level(Level::Debug)
+                    {
+                        let image = Arc::new(Image::from_bytes(format, bytes));
+                        images_by_source_offset.insert(range.start, image);
                     }
                 }
             }
@@ -659,13 +658,13 @@ impl MarkdownElement {
             let rendered_text = rendered_text.clone();
             move |markdown, event: &MouseUpEvent, phase, window, cx| {
                 if phase.bubble() {
-                    if let Some(pressed_link) = markdown.pressed_link.take() {
-                        if Some(&pressed_link) == rendered_text.link_for_position(event.position) {
-                            if let Some(open_url) = on_open_url.as_ref() {
-                                open_url(pressed_link.destination_url, window, cx);
-                            } else {
-                                cx.open_url(&pressed_link.destination_url);
-                            }
+                    if let Some(pressed_link) = markdown.pressed_link.take()
+                        && Some(&pressed_link) == rendered_text.link_for_position(event.position)
+                    {
+                        if let Some(open_url) = on_open_url.as_ref() {
+                            open_url(pressed_link.destination_url, window, cx);
+                        } else {
+                            cx.open_url(&pressed_link.destination_url);
                         }
                     }
                 } else if markdown.selection.pending {
@@ -758,10 +757,10 @@ impl Element for MarkdownElement {
         let mut current_img_block_range: Option<Range<usize>> = None;
         for (range, event) in parsed_markdown.events.iter() {
             // Skip alt text for images that rendered
-            if let Some(current_img_block_range) = &current_img_block_range {
-                if current_img_block_range.end > range.end {
-                    continue;
-                }
+            if let Some(current_img_block_range) = &current_img_block_range
+                && current_img_block_range.end > range.end
+            {
+                continue;
             }
 
             match event {
@@ -875,7 +874,7 @@ impl Element for MarkdownElement {
                                 (CodeBlockRenderer::Custom { render, .. }, _) => {
                                     let parent_container = render(
                                         kind,
-                                        &parsed_markdown,
+                                        parsed_markdown,
                                         range.clone(),
                                         metadata.clone(),
                                         window,
@@ -1084,7 +1083,15 @@ impl Element for MarkdownElement {
                                     self.markdown.clone(),
                                     cx,
                                 );
-                                el.child(div().absolute().top_1().right_1().w_5().child(codeblock))
+                                el.child(
+                                    h_flex()
+                                        .w_4()
+                                        .absolute()
+                                        .top_1p5()
+                                        .right_1p5()
+                                        .justify_end()
+                                        .child(codeblock),
+                                )
                             });
                         }
 
@@ -1108,11 +1115,12 @@ impl Element for MarkdownElement {
                                     cx,
                                 );
                                 el.child(
-                                    div()
+                                    h_flex()
+                                        .w_4()
                                         .absolute()
                                         .top_0()
                                         .right_0()
-                                        .w_5()
+                                        .justify_end()
                                         .visible_on_hover("code_block")
                                         .child(codeblock),
                                 )
@@ -1312,11 +1320,12 @@ fn render_copy_code_block_button(
         },
     )
     .icon_color(Color::Muted)
+    .icon_size(IconSize::Small)
+    .style(ButtonStyle::Filled)
     .shape(ui::IconButtonShape::Square)
     .tooltip(Tooltip::text("Copy Code"))
     .on_click({
-        let id = id.clone();
-        let markdown = markdown.clone();
+        let markdown = markdown;
         move |_event, _window, cx| {
             let id = id.clone();
             markdown.update(cx, |this, cx| {
@@ -1693,10 +1702,10 @@ impl RenderedText {
         while let Some(line) = lines.next() {
             let line_bounds = line.layout.bounds();
             if position.y > line_bounds.bottom() {
-                if let Some(next_line) = lines.peek() {
-                    if position.y < next_line.layout.bounds().top() {
-                        return Err(line.source_end);
-                    }
+                if let Some(next_line) = lines.peek()
+                    && position.y < next_line.layout.bounds().top()
+                {
+                    return Err(line.source_end);
                 }
 
                 continue;
diff --git a/crates/markdown/src/parser.rs b/crates/markdown/src/parser.rs
index 1035335ccb..3720e5b1ef 100644
--- a/crates/markdown/src/parser.rs
+++ b/crates/markdown/src/parser.rs
@@ -247,7 +247,7 @@ pub fn parse_markdown(
                             events.push(event_for(
                                 text,
                                 range.source_range.start..range.source_range.start + prefix_len,
-                                &head,
+                                head,
                             ));
                             range.parsed = CowStr::Boxed(tail.into());
                             range.merged_range.start += prefix_len;
diff --git a/crates/markdown_preview/src/markdown_parser.rs b/crates/markdown_preview/src/markdown_parser.rs
index 27691f2ecf..b51b98a2ed 100644
--- a/crates/markdown_preview/src/markdown_parser.rs
+++ b/crates/markdown_preview/src/markdown_parser.rs
@@ -76,22 +76,22 @@ impl<'a> MarkdownParser<'a> {
         if self.eof() || (steps + self.cursor) >= self.tokens.len() {
             return self.tokens.last();
         }
-        return self.tokens.get(self.cursor + steps);
+        self.tokens.get(self.cursor + steps)
     }
 
     fn previous(&self) -> Option<&(Event<'_>, Range<usize>)> {
         if self.cursor == 0 || self.cursor > self.tokens.len() {
             return None;
         }
-        return self.tokens.get(self.cursor - 1);
+        self.tokens.get(self.cursor - 1)
     }
 
     fn current(&self) -> Option<&(Event<'_>, Range<usize>)> {
-        return self.peek(0);
+        self.peek(0)
     }
 
     fn current_event(&self) -> Option<&Event<'_>> {
-        return self.current().map(|(event, _)| event);
+        self.current().map(|(event, _)| event)
     }
 
     fn is_text_like(event: &Event) -> bool {
@@ -178,7 +178,6 @@ impl<'a> MarkdownParser<'a> {
                 _ => None,
             },
             Event::Rule => {
-                let source_range = source_range.clone();
                 self.cursor += 1;
                 Some(vec![ParsedMarkdownElement::HorizontalRule(source_range)])
             }
@@ -300,13 +299,12 @@ impl<'a> MarkdownParser<'a> {
 
                     if style != MarkdownHighlightStyle::default() && last_run_len < text.len() {
                         let mut new_highlight = true;
-                        if let Some((last_range, last_style)) = highlights.last_mut() {
-                            if last_range.end == last_run_len
-                                && last_style == &MarkdownHighlight::Style(style.clone())
-                            {
-                                last_range.end = text.len();
-                                new_highlight = false;
-                            }
+                        if let Some((last_range, last_style)) = highlights.last_mut()
+                            && last_range.end == last_run_len
+                            && last_style == &MarkdownHighlight::Style(style.clone())
+                        {
+                            last_range.end = text.len();
+                            new_highlight = false;
                         }
                         if new_highlight {
                             highlights.push((
@@ -402,7 +400,7 @@ impl<'a> MarkdownParser<'a> {
         }
         if !text.is_empty() {
             markdown_text_like.push(MarkdownParagraphChunk::Text(ParsedMarkdownText {
-                source_range: source_range.clone(),
+                source_range,
                 contents: text,
                 highlights,
                 regions,
@@ -421,7 +419,7 @@ impl<'a> MarkdownParser<'a> {
         self.cursor += 1;
 
         ParsedMarkdownHeading {
-            source_range: source_range.clone(),
+            source_range,
             level: match level {
                 pulldown_cmark::HeadingLevel::H1 => HeadingLevel::H1,
                 pulldown_cmark::HeadingLevel::H2 => HeadingLevel::H2,
@@ -579,10 +577,10 @@ impl<'a> MarkdownParser<'a> {
                             }
                         } else {
                             let block = self.parse_block().await;
-                            if let Some(block) = block {
-                                if let Some(list_item) = items_stack.last_mut() {
-                                    list_item.content.extend(block);
-                                }
+                            if let Some(block) = block
+                                && let Some(list_item) = items_stack.last_mut()
+                            {
+                                list_item.content.extend(block);
                             }
                         }
                     }
diff --git a/crates/markdown_preview/src/markdown_preview_view.rs b/crates/markdown_preview/src/markdown_preview_view.rs
index 03cfd7ee82..1121d64655 100644
--- a/crates/markdown_preview/src/markdown_preview_view.rs
+++ b/crates/markdown_preview/src/markdown_preview_view.rs
@@ -18,6 +18,7 @@ use workspace::item::{Item, ItemHandle};
 use workspace::{Pane, Workspace};
 
 use crate::markdown_elements::ParsedMarkdownElement;
+use crate::markdown_renderer::CheckboxClickedEvent;
 use crate::{
     MovePageDown, MovePageUp, OpenFollowingPreview, OpenPreview, OpenPreviewToTheSide,
     markdown_elements::ParsedMarkdown,
@@ -114,8 +115,7 @@ impl MarkdownPreviewView {
                         pane.activate_item(existing_follow_view_idx, true, true, window, cx);
                     });
                 } else {
-                    let view =
-                        Self::create_following_markdown_view(workspace, editor.clone(), window, cx);
+                    let view = Self::create_following_markdown_view(workspace, editor, window, cx);
                     workspace.active_pane().update(cx, |pane, cx| {
                         pane.add_item(Box::new(view.clone()), true, true, None, window, cx)
                     });
@@ -150,10 +150,9 @@ impl MarkdownPreviewView {
         if let Some(editor) = workspace
             .active_item(cx)
             .and_then(|item| item.act_as::<Editor>(cx))
+            && Self::is_markdown_file(&editor, cx)
         {
-            if Self::is_markdown_file(&editor, cx) {
-                return Some(editor);
-            }
+            return Some(editor);
         }
         None
     }
@@ -203,114 +202,7 @@ impl MarkdownPreviewView {
         cx: &mut Context<Workspace>,
     ) -> Entity<Self> {
         cx.new(|cx| {
-            let view = cx.entity().downgrade();
-
-            let list_state = ListState::new(
-                0,
-                gpui::ListAlignment::Top,
-                px(1000.),
-                move |ix, window, cx| {
-                    if let Some(view) = view.upgrade() {
-                        view.update(cx, |this: &mut Self, cx| {
-                            let Some(contents) = &this.contents else {
-                                return div().into_any();
-                            };
-
-                            let mut render_cx =
-                                RenderContext::new(Some(this.workspace.clone()), window, cx)
-                                    .with_checkbox_clicked_callback({
-                                        let view = view.clone();
-                                        move |checked, source_range, window, cx| {
-                                            view.update(cx, |view, cx| {
-                                                if let Some(editor) = view
-                                                    .active_editor
-                                                    .as_ref()
-                                                    .map(|s| s.editor.clone())
-                                                {
-                                                    editor.update(cx, |editor, cx| {
-                                                        let task_marker =
-                                                            if checked { "[x]" } else { "[ ]" };
-
-                                                        editor.edit(
-                                                            vec![(source_range, task_marker)],
-                                                            cx,
-                                                        );
-                                                    });
-                                                    view.parse_markdown_from_active_editor(
-                                                        false, window, cx,
-                                                    );
-                                                    cx.notify();
-                                                }
-                                            })
-                                        }
-                                    });
-
-                            let block = contents.children.get(ix).unwrap();
-                            let rendered_block = render_markdown_block(block, &mut render_cx);
-
-                            let should_apply_padding = Self::should_apply_padding_between(
-                                block,
-                                contents.children.get(ix + 1),
-                            );
-
-                            div()
-                                .id(ix)
-                                .when(should_apply_padding, |this| {
-                                    this.pb(render_cx.scaled_rems(0.75))
-                                })
-                                .group("markdown-block")
-                                .on_click(cx.listener(
-                                    move |this, event: &ClickEvent, window, cx| {
-                                        if event.down.click_count == 2 {
-                                            if let Some(source_range) = this
-                                                .contents
-                                                .as_ref()
-                                                .and_then(|c| c.children.get(ix))
-                                                .and_then(|block| block.source_range())
-                                            {
-                                                this.move_cursor_to_block(
-                                                    window,
-                                                    cx,
-                                                    source_range.start..source_range.start,
-                                                );
-                                            }
-                                        }
-                                    },
-                                ))
-                                .map(move |container| {
-                                    let indicator = div()
-                                        .h_full()
-                                        .w(px(4.0))
-                                        .when(ix == this.selected_block, |this| {
-                                            this.bg(cx.theme().colors().border)
-                                        })
-                                        .group_hover("markdown-block", |s| {
-                                            if ix == this.selected_block {
-                                                s
-                                            } else {
-                                                s.bg(cx.theme().colors().border_variant)
-                                            }
-                                        })
-                                        .rounded_xs();
-
-                                    container.child(
-                                        div()
-                                            .relative()
-                                            .child(
-                                                div()
-                                                    .pl(render_cx.scaled_rems(1.0))
-                                                    .child(rendered_block),
-                                            )
-                                            .child(indicator.absolute().left_0().top_0()),
-                                    )
-                                })
-                                .into_any()
-                        })
-                    } else {
-                        div().into_any()
-                    }
-                },
-            );
+            let list_state = ListState::new(0, gpui::ListAlignment::Top, px(1000.));
 
             let mut this = Self {
                 selected_block: 0,
@@ -349,32 +241,30 @@ impl MarkdownPreviewView {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(item) = active_item {
-            if item.item_id() != cx.entity_id() {
-                if let Some(editor) = item.act_as::<Editor>(cx) {
-                    if Self::is_markdown_file(&editor, cx) {
-                        self.set_editor(editor, window, cx);
-                    }
-                }
-            }
+        if let Some(item) = active_item
+            && item.item_id() != cx.entity_id()
+            && let Some(editor) = item.act_as::<Editor>(cx)
+            && Self::is_markdown_file(&editor, cx)
+        {
+            self.set_editor(editor, window, cx);
         }
     }
 
     pub fn is_markdown_file<V>(editor: &Entity<Editor>, cx: &mut Context<V>) -> bool {
         let buffer = editor.read(cx).buffer().read(cx);
-        if let Some(buffer) = buffer.as_singleton() {
-            if let Some(language) = buffer.read(cx).language() {
-                return language.name() == "Markdown".into();
-            }
+        if let Some(buffer) = buffer.as_singleton()
+            && let Some(language) = buffer.read(cx).language()
+        {
+            return language.name() == "Markdown".into();
         }
         false
     }
 
     fn set_editor(&mut self, editor: Entity<Editor>, window: &mut Window, cx: &mut Context<Self>) {
-        if let Some(active) = &self.active_editor {
-            if active.editor == editor {
-                return;
-            }
+        if let Some(active) = &self.active_editor
+            && active.editor == editor
+        {
+            return;
         }
 
         let subscription = cx.subscribe_in(
@@ -607,10 +497,106 @@ impl Render for MarkdownPreviewView {
             .p_4()
             .text_size(buffer_size)
             .line_height(relative(buffer_line_height.value()))
-            .child(
-                div()
-                    .flex_grow()
-                    .map(|this| this.child(list(self.list_state.clone()).size_full())),
-            )
+            .child(div().flex_grow().map(|this| {
+                this.child(
+                    list(
+                        self.list_state.clone(),
+                        cx.processor(|this, ix, window, cx| {
+                            let Some(contents) = &this.contents else {
+                                return div().into_any();
+                            };
+
+                            let mut render_cx =
+                                RenderContext::new(Some(this.workspace.clone()), window, cx)
+                                    .with_checkbox_clicked_callback(cx.listener(
+                                        move |this, e: &CheckboxClickedEvent, window, cx| {
+                                            if let Some(editor) = this
+                                                .active_editor
+                                                .as_ref()
+                                                .map(|s| s.editor.clone())
+                                            {
+                                                editor.update(cx, |editor, cx| {
+                                                    let task_marker =
+                                                        if e.checked() { "[x]" } else { "[ ]" };
+
+                                                    editor.edit(
+                                                        vec![(e.source_range(), task_marker)],
+                                                        cx,
+                                                    );
+                                                });
+                                                this.parse_markdown_from_active_editor(
+                                                    false, window, cx,
+                                                );
+                                                cx.notify();
+                                            }
+                                        },
+                                    ));
+
+                            let block = contents.children.get(ix).unwrap();
+                            let rendered_block = render_markdown_block(block, &mut render_cx);
+
+                            let should_apply_padding = Self::should_apply_padding_between(
+                                block,
+                                contents.children.get(ix + 1),
+                            );
+
+                            div()
+                                .id(ix)
+                                .when(should_apply_padding, |this| {
+                                    this.pb(render_cx.scaled_rems(0.75))
+                                })
+                                .group("markdown-block")
+                                .on_click(cx.listener(
+                                    move |this, event: &ClickEvent, window, cx| {
+                                        if event.click_count() == 2
+                                            && let Some(source_range) = this
+                                                .contents
+                                                .as_ref()
+                                                .and_then(|c| c.children.get(ix))
+                                                .and_then(|block: &ParsedMarkdownElement| {
+                                                    block.source_range()
+                                                })
+                                        {
+                                            this.move_cursor_to_block(
+                                                window,
+                                                cx,
+                                                source_range.start..source_range.start,
+                                            );
+                                        }
+                                    },
+                                ))
+                                .map(move |container| {
+                                    let indicator = div()
+                                        .h_full()
+                                        .w(px(4.0))
+                                        .when(ix == this.selected_block, |this| {
+                                            this.bg(cx.theme().colors().border)
+                                        })
+                                        .group_hover("markdown-block", |s| {
+                                            if ix == this.selected_block {
+                                                s
+                                            } else {
+                                                s.bg(cx.theme().colors().border_variant)
+                                            }
+                                        })
+                                        .rounded_xs();
+
+                                    container.child(
+                                        div()
+                                            .relative()
+                                            .child(
+                                                div()
+                                                    .pl(render_cx.scaled_rems(1.0))
+                                                    .child(rendered_block),
+                                            )
+                                            .child(indicator.absolute().left_0().top_0()),
+                                    )
+                                })
+                                .into_any()
+                        }),
+                    )
+                    .size_full(),
+                )
+            }))
     }
 }
diff --git a/crates/markdown_preview/src/markdown_renderer.rs b/crates/markdown_preview/src/markdown_renderer.rs
index 80bed8a6e8..b0b10e927c 100644
--- a/crates/markdown_preview/src/markdown_renderer.rs
+++ b/crates/markdown_preview/src/markdown_renderer.rs
@@ -26,7 +26,22 @@ use ui::{
 };
 use workspace::{OpenOptions, OpenVisible, Workspace};
 
-type CheckboxClickedCallback = Arc<Box<dyn Fn(bool, Range<usize>, &mut Window, &mut App)>>;
+pub struct CheckboxClickedEvent {
+    pub checked: bool,
+    pub source_range: Range<usize>,
+}
+
+impl CheckboxClickedEvent {
+    pub fn source_range(&self) -> Range<usize> {
+        self.source_range.clone()
+    }
+
+    pub fn checked(&self) -> bool {
+        self.checked
+    }
+}
+
+type CheckboxClickedCallback = Arc<Box<dyn Fn(&CheckboxClickedEvent, &mut Window, &mut App)>>;
 
 #[derive(Clone)]
 pub struct RenderContext {
@@ -80,7 +95,7 @@ impl RenderContext {
 
     pub fn with_checkbox_clicked_callback(
         mut self,
-        callback: impl Fn(bool, Range<usize>, &mut Window, &mut App) + 'static,
+        callback: impl Fn(&CheckboxClickedEvent, &mut Window, &mut App) + 'static,
     ) -> Self {
         self.checkbox_clicked_callback = Some(Arc::new(Box::new(callback)));
         self
@@ -96,11 +111,10 @@ impl RenderContext {
     /// buffer font size changes. The callees of this function should be reimplemented to use real
     /// relative sizing once that is implemented in GPUI
     pub fn scaled_rems(&self, rems: f32) -> Rems {
-        return self
-            .buffer_text_style
+        self.buffer_text_style
             .font_size
             .to_rems(self.window_rem_size)
-            .mul(rems);
+            .mul(rems)
     }
 
     /// This ensures that children inside of block quotes
@@ -229,7 +243,14 @@ fn render_markdown_list_item(
                                 };
 
                                 if window.modifiers().secondary() {
-                                    callback(checked, range.clone(), window, cx);
+                                    callback(
+                                        &CheckboxClickedEvent {
+                                            checked,
+                                            source_range: range.clone(),
+                                        },
+                                        window,
+                                        cx,
+                                    );
                                 }
                             }
                         })
@@ -437,13 +458,13 @@ fn render_markdown_table(parsed: &ParsedMarkdownTable, cx: &mut RenderContext) -
     let mut max_lengths: Vec<usize> = vec![0; parsed.header.children.len()];
 
     for (index, cell) in parsed.header.children.iter().enumerate() {
-        let length = paragraph_len(&cell);
+        let length = paragraph_len(cell);
         max_lengths[index] = length;
     }
 
     for row in &parsed.body {
         for (index, cell) in row.children.iter().enumerate() {
-            let length = paragraph_len(&cell);
+            let length = paragraph_len(cell);
 
             if length > max_lengths[index] {
                 max_lengths[index] = length;
diff --git a/crates/migrator/src/migrations/m_2025_01_02/settings.rs b/crates/migrator/src/migrations/m_2025_01_02/settings.rs
index 3ce85e6b26..a35b1ebd2e 100644
--- a/crates/migrator/src/migrations/m_2025_01_02/settings.rs
+++ b/crates/migrator/src/migrations/m_2025_01_02/settings.rs
@@ -20,14 +20,14 @@ fn replace_deprecated_settings_values(
         .nodes_for_capture_index(parent_object_capture_ix)
         .next()?
         .byte_range();
-    let parent_object_name = contents.get(parent_object_range.clone())?;
+    let parent_object_name = contents.get(parent_object_range)?;
 
     let setting_name_ix = query.capture_index_for_name("setting_name")?;
     let setting_name_range = mat
         .nodes_for_capture_index(setting_name_ix)
         .next()?
         .byte_range();
-    let setting_name = contents.get(setting_name_range.clone())?;
+    let setting_name = contents.get(setting_name_range)?;
 
     let setting_value_ix = query.capture_index_for_name("setting_value")?;
     let setting_value_range = mat
diff --git a/crates/migrator/src/migrations/m_2025_01_29/keymap.rs b/crates/migrator/src/migrations/m_2025_01_29/keymap.rs
index c32da88229..eed2c46e08 100644
--- a/crates/migrator/src/migrations/m_2025_01_29/keymap.rs
+++ b/crates/migrator/src/migrations/m_2025_01_29/keymap.rs
@@ -279,7 +279,7 @@ fn rename_context_key(
         new_predicate = new_predicate.replace(old_key, new_key);
     }
     if new_predicate != old_predicate {
-        Some((context_predicate_range, new_predicate.to_string()))
+        Some((context_predicate_range, new_predicate))
     } else {
         None
     }
diff --git a/crates/migrator/src/migrations/m_2025_01_29/settings.rs b/crates/migrator/src/migrations/m_2025_01_29/settings.rs
index 8d3261676b..46cfe2f178 100644
--- a/crates/migrator/src/migrations/m_2025_01_29/settings.rs
+++ b/crates/migrator/src/migrations/m_2025_01_29/settings.rs
@@ -57,7 +57,7 @@ pub fn replace_edit_prediction_provider_setting(
         .nodes_for_capture_index(parent_object_capture_ix)
         .next()?
         .byte_range();
-    let parent_object_name = contents.get(parent_object_range.clone())?;
+    let parent_object_name = contents.get(parent_object_range)?;
 
     let setting_name_ix = query.capture_index_for_name("setting_name")?;
     let setting_range = mat
diff --git a/crates/migrator/src/migrations/m_2025_01_30/settings.rs b/crates/migrator/src/migrations/m_2025_01_30/settings.rs
index 23a3243b82..2d763e4722 100644
--- a/crates/migrator/src/migrations/m_2025_01_30/settings.rs
+++ b/crates/migrator/src/migrations/m_2025_01_30/settings.rs
@@ -25,7 +25,7 @@ fn replace_tab_close_button_setting_key(
         .nodes_for_capture_index(parent_object_capture_ix)
         .next()?
         .byte_range();
-    let parent_object_name = contents.get(parent_object_range.clone())?;
+    let parent_object_name = contents.get(parent_object_range)?;
 
     let setting_name_ix = query.capture_index_for_name("setting_name")?;
     let setting_range = mat
@@ -51,14 +51,14 @@ fn replace_tab_close_button_setting_value(
         .nodes_for_capture_index(parent_object_capture_ix)
         .next()?
         .byte_range();
-    let parent_object_name = contents.get(parent_object_range.clone())?;
+    let parent_object_name = contents.get(parent_object_range)?;
 
     let setting_name_ix = query.capture_index_for_name("setting_name")?;
     let setting_name_range = mat
         .nodes_for_capture_index(setting_name_ix)
         .next()?
         .byte_range();
-    let setting_name = contents.get(setting_name_range.clone())?;
+    let setting_name = contents.get(setting_name_range)?;
 
     let setting_value_ix = query.capture_index_for_name("setting_value")?;
     let setting_value_range = mat
diff --git a/crates/migrator/src/migrations/m_2025_03_29/settings.rs b/crates/migrator/src/migrations/m_2025_03_29/settings.rs
index 47f65b407d..8f83d8e39e 100644
--- a/crates/migrator/src/migrations/m_2025_03_29/settings.rs
+++ b/crates/migrator/src/migrations/m_2025_03_29/settings.rs
@@ -19,7 +19,7 @@ fn replace_setting_value(
         .nodes_for_capture_index(setting_capture_ix)
         .next()?
         .byte_range();
-    let setting_name = contents.get(setting_name_range.clone())?;
+    let setting_name = contents.get(setting_name_range)?;
 
     if setting_name != "hide_mouse_while_typing" {
         return None;
diff --git a/crates/migrator/src/migrations/m_2025_05_05/settings.rs b/crates/migrator/src/migrations/m_2025_05_05/settings.rs
index 88c6c338d1..77da1b9a07 100644
--- a/crates/migrator/src/migrations/m_2025_05_05/settings.rs
+++ b/crates/migrator/src/migrations/m_2025_05_05/settings.rs
@@ -24,7 +24,7 @@ fn rename_assistant(
         .nodes_for_capture_index(key_capture_ix)
         .next()?
         .byte_range();
-    return Some((key_range, "agent".to_string()));
+    Some((key_range, "agent".to_string()))
 }
 
 fn rename_edit_prediction_assistant(
@@ -37,5 +37,5 @@ fn rename_edit_prediction_assistant(
         .nodes_for_capture_index(key_capture_ix)
         .next()?
         .byte_range();
-    return Some((key_range, "enabled_in_text_threads".to_string()));
+    Some((key_range, "enabled_in_text_threads".to_string()))
 }
diff --git a/crates/migrator/src/migrations/m_2025_05_29/settings.rs b/crates/migrator/src/migrations/m_2025_05_29/settings.rs
index 56d72836fa..37ef0e45cc 100644
--- a/crates/migrator/src/migrations/m_2025_05_29/settings.rs
+++ b/crates/migrator/src/migrations/m_2025_05_29/settings.rs
@@ -19,7 +19,7 @@ fn replace_preferred_completion_mode_value(
         .nodes_for_capture_index(parent_object_capture_ix)
         .next()?
         .byte_range();
-    let parent_object_name = contents.get(parent_object_range.clone())?;
+    let parent_object_name = contents.get(parent_object_range)?;
 
     if parent_object_name != "agent" {
         return None;
@@ -30,7 +30,7 @@ fn replace_preferred_completion_mode_value(
         .nodes_for_capture_index(setting_name_capture_ix)
         .next()?
         .byte_range();
-    let setting_name = contents.get(setting_name_range.clone())?;
+    let setting_name = contents.get(setting_name_range)?;
 
     if setting_name != "preferred_completion_mode" {
         return None;
diff --git a/crates/migrator/src/migrations/m_2025_06_16/settings.rs b/crates/migrator/src/migrations/m_2025_06_16/settings.rs
index cce407e21b..cd79eae204 100644
--- a/crates/migrator/src/migrations/m_2025_06_16/settings.rs
+++ b/crates/migrator/src/migrations/m_2025_06_16/settings.rs
@@ -40,20 +40,20 @@ fn migrate_context_server_settings(
     // Parse the server settings to check what keys it contains
     let mut cursor = server_settings.walk();
     for child in server_settings.children(&mut cursor) {
-        if child.kind() == "pair" {
-            if let Some(key_node) = child.child_by_field_name("key") {
-                if let (None, Some(quote_content)) = (column, key_node.child(0)) {
-                    column = Some(quote_content.start_position().column);
-                }
-                if let Some(string_content) = key_node.child(1) {
-                    let key = &contents[string_content.byte_range()];
-                    match key {
-                        // If it already has a source key, don't modify it
-                        "source" => return None,
-                        "command" => has_command = true,
-                        "settings" => has_settings = true,
-                        _ => other_keys += 1,
-                    }
+        if child.kind() == "pair"
+            && let Some(key_node) = child.child_by_field_name("key")
+        {
+            if let (None, Some(quote_content)) = (column, key_node.child(0)) {
+                column = Some(quote_content.start_position().column);
+            }
+            if let Some(string_content) = key_node.child(1) {
+                let key = &contents[string_content.byte_range()];
+                match key {
+                    // If it already has a source key, don't modify it
+                    "source" => return None,
+                    "command" => has_command = true,
+                    "settings" => has_settings = true,
+                    _ => other_keys += 1,
                 }
             }
         }
diff --git a/crates/migrator/src/migrations/m_2025_06_25/settings.rs b/crates/migrator/src/migrations/m_2025_06_25/settings.rs
index 5dd6c3093a..2bf7658eeb 100644
--- a/crates/migrator/src/migrations/m_2025_06_25/settings.rs
+++ b/crates/migrator/src/migrations/m_2025_06_25/settings.rs
@@ -84,10 +84,10 @@ fn remove_pair_with_whitespace(
         }
     } else {
         // If no next sibling, check if there's a comma before
-        if let Some(prev_sibling) = pair_node.prev_sibling() {
-            if prev_sibling.kind() == "," {
-                range_to_remove.start = prev_sibling.start_byte();
-            }
+        if let Some(prev_sibling) = pair_node.prev_sibling()
+            && prev_sibling.kind() == ","
+        {
+            range_to_remove.start = prev_sibling.start_byte();
         }
     }
 
@@ -123,10 +123,10 @@ fn remove_pair_with_whitespace(
 
     // Also check if we need to include trailing whitespace up to the next line
     let text_after = &contents[range_to_remove.end..];
-    if let Some(newline_pos) = text_after.find('\n') {
-        if text_after[..newline_pos].chars().all(|c| c.is_whitespace()) {
-            range_to_remove.end += newline_pos + 1;
-        }
+    if let Some(newline_pos) = text_after.find('\n')
+        && text_after[..newline_pos].chars().all(|c| c.is_whitespace())
+    {
+        range_to_remove.end += newline_pos + 1;
     }
 
     Some((range_to_remove, String::new()))
diff --git a/crates/migrator/src/migrations/m_2025_06_27/settings.rs b/crates/migrator/src/migrations/m_2025_06_27/settings.rs
index 6156308fce..e3e951b1a6 100644
--- a/crates/migrator/src/migrations/m_2025_06_27/settings.rs
+++ b/crates/migrator/src/migrations/m_2025_06_27/settings.rs
@@ -56,19 +56,18 @@ fn flatten_context_server_command(
 
     let mut cursor = command_object.walk();
     for child in command_object.children(&mut cursor) {
-        if child.kind() == "pair" {
-            if let Some(key_node) = child.child_by_field_name("key") {
-                if let Some(string_content) = key_node.child(1) {
-                    let key = &contents[string_content.byte_range()];
-                    if let Some(value_node) = child.child_by_field_name("value") {
-                        let value_range = value_node.byte_range();
-                        match key {
-                            "path" => path_value = Some(&contents[value_range]),
-                            "args" => args_value = Some(&contents[value_range]),
-                            "env" => env_value = Some(&contents[value_range]),
-                            _ => {}
-                        }
-                    }
+        if child.kind() == "pair"
+            && let Some(key_node) = child.child_by_field_name("key")
+            && let Some(string_content) = key_node.child(1)
+        {
+            let key = &contents[string_content.byte_range()];
+            if let Some(value_node) = child.child_by_field_name("value") {
+                let value_range = value_node.byte_range();
+                match key {
+                    "path" => path_value = Some(&contents[value_range]),
+                    "args" => args_value = Some(&contents[value_range]),
+                    "env" => env_value = Some(&contents[value_range]),
+                    _ => {}
                 }
             }
         }
diff --git a/crates/migrator/src/migrator.rs b/crates/migrator/src/migrator.rs
index b425f7f1d5..2180a049d0 100644
--- a/crates/migrator/src/migrator.rs
+++ b/crates/migrator/src/migrator.rs
@@ -28,7 +28,7 @@ fn migrate(text: &str, patterns: MigrationPatterns, query: &Query) -> Result<Opt
     let mut parser = tree_sitter::Parser::new();
     parser.set_language(&tree_sitter_json::LANGUAGE.into())?;
     let syntax_tree = parser
-        .parse(&text, None)
+        .parse(text, None)
         .context("failed to parse settings")?;
 
     let mut cursor = tree_sitter::QueryCursor::new();
@@ -37,7 +37,7 @@ fn migrate(text: &str, patterns: MigrationPatterns, query: &Query) -> Result<Opt
     let mut edits = vec![];
     while let Some(mat) = matches.next() {
         if let Some((_, callback)) = patterns.get(mat.pattern_index) {
-            edits.extend(callback(&text, &mat, query));
+            edits.extend(callback(text, mat, query));
         }
     }
 
@@ -170,7 +170,7 @@ pub fn migrate_settings(text: &str) -> Result<Option<String>> {
 
 pub fn migrate_edit_prediction_provider_settings(text: &str) -> Result<Option<String>> {
     migrate(
-        &text,
+        text,
         &[(
             SETTINGS_NESTED_KEY_VALUE_PATTERN,
             migrations::m_2025_01_29::replace_edit_prediction_provider_setting,
@@ -293,12 +293,12 @@ mod tests {
     use super::*;
 
     fn assert_migrate_keymap(input: &str, output: Option<&str>) {
-        let migrated = migrate_keymap(&input).unwrap();
+        let migrated = migrate_keymap(input).unwrap();
         pretty_assertions::assert_eq!(migrated.as_deref(), output);
     }
 
     fn assert_migrate_settings(input: &str, output: Option<&str>) {
-        let migrated = migrate_settings(&input).unwrap();
+        let migrated = migrate_settings(input).unwrap();
         pretty_assertions::assert_eq!(migrated.as_deref(), output);
     }
 
diff --git a/crates/mistral/src/mistral.rs b/crates/mistral/src/mistral.rs
index c466a598a0..5b4d05377c 100644
--- a/crates/mistral/src/mistral.rs
+++ b/crates/mistral/src/mistral.rs
@@ -86,6 +86,7 @@ pub enum Model {
         max_completion_tokens: Option<u64>,
         supports_tools: Option<bool>,
         supports_images: Option<bool>,
+        supports_thinking: Option<bool>,
     },
 }
 
@@ -214,6 +215,16 @@ impl Model {
             } => supports_images.unwrap_or(false),
         }
     }
+
+    pub fn supports_thinking(&self) -> bool {
+        match self {
+            Self::MagistralMediumLatest | Self::MagistralSmallLatest => true,
+            Self::Custom {
+                supports_thinking, ..
+            } => supports_thinking.unwrap_or(false),
+            _ => false,
+        }
+    }
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -288,7 +299,9 @@ pub enum ToolChoice {
 #[serde(tag = "role", rename_all = "lowercase")]
 pub enum RequestMessage {
     Assistant {
-        content: Option<String>,
+        #[serde(flatten)]
+        #[serde(default, skip_serializing_if = "Option::is_none")]
+        content: Option<MessageContent>,
         #[serde(default, skip_serializing_if = "Vec::is_empty")]
         tool_calls: Vec<ToolCall>,
     },
@@ -297,7 +310,8 @@ pub enum RequestMessage {
         content: MessageContent,
     },
     System {
-        content: String,
+        #[serde(flatten)]
+        content: MessageContent,
     },
     Tool {
         content: String,
@@ -305,7 +319,7 @@ pub enum RequestMessage {
     },
 }
 
-#[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Eq, PartialEq, Clone)]
 #[serde(untagged)]
 pub enum MessageContent {
     #[serde(rename = "content")]
@@ -346,11 +360,21 @@ impl MessageContent {
     }
 }
 
-#[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Eq, PartialEq, Clone)]
 #[serde(tag = "type", rename_all = "snake_case")]
 pub enum MessagePart {
     Text { text: String },
     ImageUrl { image_url: String },
+    Thinking { thinking: Vec<ThinkingPart> },
+}
+
+// Backwards-compatibility alias for provider code that refers to ContentPart
+pub type ContentPart = MessagePart;
+
+#[derive(Serialize, Deserialize, Debug, Eq, PartialEq, Clone)]
+#[serde(tag = "type", rename_all = "snake_case")]
+pub enum ThinkingPart {
+    Text { text: String },
 }
 
 #[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
@@ -418,24 +442,30 @@ pub struct StreamChoice {
     pub finish_reason: Option<String>,
 }
 
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct StreamDelta {
     pub role: Option<Role>,
-    pub content: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub content: Option<MessageContentDelta>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub tool_calls: Option<Vec<ToolCallChunk>>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub reasoning_content: Option<String>,
 }
 
-#[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Eq, PartialEq, Clone)]
+#[serde(untagged)]
+pub enum MessageContentDelta {
+    Text(String),
+    Parts(Vec<MessagePart>),
+}
+
+#[derive(Serialize, Deserialize, Debug, Eq, PartialEq, Clone)]
 pub struct ToolCallChunk {
     pub index: usize,
     pub id: Option<String>,
     pub function: Option<FunctionChunk>,
 }
 
-#[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Eq, PartialEq, Clone)]
 pub struct FunctionChunk {
     pub name: Option<String>,
     pub arguments: Option<String>,
diff --git a/crates/multi_buffer/src/anchor.rs b/crates/multi_buffer/src/anchor.rs
index 1305328d38..6bed0a4028 100644
--- a/crates/multi_buffer/src/anchor.rs
+++ b/crates/multi_buffer/src/anchor.rs
@@ -76,27 +76,26 @@ impl Anchor {
             if text_cmp.is_ne() {
                 return text_cmp;
             }
-            if self.diff_base_anchor.is_some() || other.diff_base_anchor.is_some() {
-                if let Some(base_text) = snapshot
+            if (self.diff_base_anchor.is_some() || other.diff_base_anchor.is_some())
+                && let Some(base_text) = snapshot
                     .diffs
                     .get(&excerpt.buffer_id)
                     .map(|diff| diff.base_text())
-                {
-                    let self_anchor = self.diff_base_anchor.filter(|a| base_text.can_resolve(a));
-                    let other_anchor = other.diff_base_anchor.filter(|a| base_text.can_resolve(a));
-                    return match (self_anchor, other_anchor) {
-                        (Some(a), Some(b)) => a.cmp(&b, base_text),
-                        (Some(_), None) => match other.text_anchor.bias {
-                            Bias::Left => Ordering::Greater,
-                            Bias::Right => Ordering::Less,
-                        },
-                        (None, Some(_)) => match self.text_anchor.bias {
-                            Bias::Left => Ordering::Less,
-                            Bias::Right => Ordering::Greater,
-                        },
-                        (None, None) => Ordering::Equal,
-                    };
-                }
+            {
+                let self_anchor = self.diff_base_anchor.filter(|a| base_text.can_resolve(a));
+                let other_anchor = other.diff_base_anchor.filter(|a| base_text.can_resolve(a));
+                return match (self_anchor, other_anchor) {
+                    (Some(a), Some(b)) => a.cmp(&b, base_text),
+                    (Some(_), None) => match other.text_anchor.bias {
+                        Bias::Left => Ordering::Greater,
+                        Bias::Right => Ordering::Less,
+                    },
+                    (None, Some(_)) => match self.text_anchor.bias {
+                        Bias::Left => Ordering::Less,
+                        Bias::Right => Ordering::Greater,
+                    },
+                    (None, None) => Ordering::Equal,
+                };
             }
         }
         Ordering::Equal
@@ -107,51 +106,49 @@ impl Anchor {
     }
 
     pub fn bias_left(&self, snapshot: &MultiBufferSnapshot) -> Anchor {
-        if self.text_anchor.bias != Bias::Left {
-            if let Some(excerpt) = snapshot.excerpt(self.excerpt_id) {
-                return Self {
-                    buffer_id: self.buffer_id,
-                    excerpt_id: self.excerpt_id,
-                    text_anchor: self.text_anchor.bias_left(&excerpt.buffer),
-                    diff_base_anchor: self.diff_base_anchor.map(|a| {
-                        if let Some(base_text) = snapshot
-                            .diffs
-                            .get(&excerpt.buffer_id)
-                            .map(|diff| diff.base_text())
-                        {
-                            if a.buffer_id == Some(base_text.remote_id()) {
-                                return a.bias_left(base_text);
-                            }
-                        }
-                        a
-                    }),
-                };
-            }
+        if self.text_anchor.bias != Bias::Left
+            && let Some(excerpt) = snapshot.excerpt(self.excerpt_id)
+        {
+            return Self {
+                buffer_id: self.buffer_id,
+                excerpt_id: self.excerpt_id,
+                text_anchor: self.text_anchor.bias_left(&excerpt.buffer),
+                diff_base_anchor: self.diff_base_anchor.map(|a| {
+                    if let Some(base_text) = snapshot
+                        .diffs
+                        .get(&excerpt.buffer_id)
+                        .map(|diff| diff.base_text())
+                        && a.buffer_id == Some(base_text.remote_id())
+                    {
+                        return a.bias_left(base_text);
+                    }
+                    a
+                }),
+            };
         }
         *self
     }
 
     pub fn bias_right(&self, snapshot: &MultiBufferSnapshot) -> Anchor {
-        if self.text_anchor.bias != Bias::Right {
-            if let Some(excerpt) = snapshot.excerpt(self.excerpt_id) {
-                return Self {
-                    buffer_id: self.buffer_id,
-                    excerpt_id: self.excerpt_id,
-                    text_anchor: self.text_anchor.bias_right(&excerpt.buffer),
-                    diff_base_anchor: self.diff_base_anchor.map(|a| {
-                        if let Some(base_text) = snapshot
-                            .diffs
-                            .get(&excerpt.buffer_id)
-                            .map(|diff| diff.base_text())
-                        {
-                            if a.buffer_id == Some(base_text.remote_id()) {
-                                return a.bias_right(&base_text);
-                            }
-                        }
-                        a
-                    }),
-                };
-            }
+        if self.text_anchor.bias != Bias::Right
+            && let Some(excerpt) = snapshot.excerpt(self.excerpt_id)
+        {
+            return Self {
+                buffer_id: self.buffer_id,
+                excerpt_id: self.excerpt_id,
+                text_anchor: self.text_anchor.bias_right(&excerpt.buffer),
+                diff_base_anchor: self.diff_base_anchor.map(|a| {
+                    if let Some(base_text) = snapshot
+                        .diffs
+                        .get(&excerpt.buffer_id)
+                        .map(|diff| diff.base_text())
+                        && a.buffer_id == Some(base_text.remote_id())
+                    {
+                        return a.bias_right(base_text);
+                    }
+                    a
+                }),
+            };
         }
         *self
     }
@@ -212,7 +209,7 @@ impl AnchorRangeExt for Range<Anchor> {
     }
 
     fn includes(&self, other: &Range<Anchor>, buffer: &MultiBufferSnapshot) -> bool {
-        self.start.cmp(&other.start, &buffer).is_le() && other.end.cmp(&self.end, &buffer).is_le()
+        self.start.cmp(&other.start, buffer).is_le() && other.end.cmp(&self.end, buffer).is_le()
     }
 
     fn overlaps(&self, other: &Range<Anchor>, buffer: &MultiBufferSnapshot) -> bool {
diff --git a/crates/multi_buffer/src/multi_buffer.rs b/crates/multi_buffer/src/multi_buffer.rs
index f0913e30fb..e27cbf868a 100644
--- a/crates/multi_buffer/src/multi_buffer.rs
+++ b/crates/multi_buffer/src/multi_buffer.rs
@@ -43,7 +43,7 @@ use std::{
     sync::Arc,
     time::{Duration, Instant},
 };
-use sum_tree::{Bias, Cursor, Dimension, SumTree, Summary, TreeMap};
+use sum_tree::{Bias, Cursor, Dimension, Dimensions, SumTree, Summary, TreeMap};
 use text::{
     BufferId, Edit, LineIndent, TextSummary,
     locator::Locator,
@@ -474,7 +474,7 @@ pub struct MultiBufferRows<'a> {
 
 pub struct MultiBufferChunks<'a> {
     excerpts: Cursor<'a, Excerpt, ExcerptOffset>,
-    diff_transforms: Cursor<'a, DiffTransform, (usize, ExcerptOffset)>,
+    diff_transforms: Cursor<'a, DiffTransform, Dimensions<usize, ExcerptOffset>>,
     diffs: &'a TreeMap<BufferId, BufferDiffSnapshot>,
     diff_base_chunks: Option<(BufferId, BufferChunks<'a>)>,
     buffer_chunk: Option<Chunk<'a>>,
@@ -835,7 +835,7 @@ impl MultiBuffer {
                 this.convert_edits_to_buffer_edits(edits, &snapshot, &original_indent_columns);
             drop(snapshot);
 
-            let mut buffer_ids = Vec::new();
+            let mut buffer_ids = Vec::with_capacity(buffer_edits.len());
             for (buffer_id, mut edits) in buffer_edits {
                 buffer_ids.push(buffer_id);
                 edits.sort_by_key(|edit| edit.range.start);
@@ -1082,11 +1082,11 @@ impl MultiBuffer {
 
                 let mut ranges: Vec<Range<usize>> = Vec::new();
                 for edit in edits {
-                    if let Some(last_range) = ranges.last_mut() {
-                        if edit.range.start <= last_range.end {
-                            last_range.end = last_range.end.max(edit.range.end);
-                            continue;
-                        }
+                    if let Some(last_range) = ranges.last_mut()
+                        && edit.range.start <= last_range.end
+                    {
+                        last_range.end = last_range.end.max(edit.range.end);
+                        continue;
                     }
                     ranges.push(edit.range);
                 }
@@ -1146,13 +1146,13 @@ impl MultiBuffer {
 
     pub fn last_transaction_id(&self, cx: &App) -> Option<TransactionId> {
         if let Some(buffer) = self.as_singleton() {
-            return buffer
+            buffer
                 .read(cx)
                 .peek_undo_stack()
-                .map(|history_entry| history_entry.transaction_id());
+                .map(|history_entry| history_entry.transaction_id())
         } else {
             let last_transaction = self.history.undo_stack.last()?;
-            return Some(last_transaction.id);
+            Some(last_transaction.id)
         }
     }
 
@@ -1212,25 +1212,24 @@ impl MultiBuffer {
             for range in buffer.edited_ranges_for_transaction_id::<D>(*buffer_transaction) {
                 for excerpt_id in &buffer_state.excerpts {
                     cursor.seek(excerpt_id, Bias::Left);
-                    if let Some(excerpt) = cursor.item() {
-                        if excerpt.locator == *excerpt_id {
-                            let excerpt_buffer_start =
-                                excerpt.range.context.start.summary::<D>(buffer);
-                            let excerpt_buffer_end = excerpt.range.context.end.summary::<D>(buffer);
-                            let excerpt_range = excerpt_buffer_start..excerpt_buffer_end;
-                            if excerpt_range.contains(&range.start)
-                                && excerpt_range.contains(&range.end)
-                            {
-                                let excerpt_start = D::from_text_summary(&cursor.start().text);
+                    if let Some(excerpt) = cursor.item()
+                        && excerpt.locator == *excerpt_id
+                    {
+                        let excerpt_buffer_start = excerpt.range.context.start.summary::<D>(buffer);
+                        let excerpt_buffer_end = excerpt.range.context.end.summary::<D>(buffer);
+                        let excerpt_range = excerpt_buffer_start..excerpt_buffer_end;
+                        if excerpt_range.contains(&range.start)
+                            && excerpt_range.contains(&range.end)
+                        {
+                            let excerpt_start = D::from_text_summary(&cursor.start().text);
 
-                                let mut start = excerpt_start;
-                                start.add_assign(&(range.start - excerpt_buffer_start));
-                                let mut end = excerpt_start;
-                                end.add_assign(&(range.end - excerpt_buffer_start));
+                            let mut start = excerpt_start;
+                            start.add_assign(&(range.start - excerpt_buffer_start));
+                            let mut end = excerpt_start;
+                            end.add_assign(&(range.end - excerpt_buffer_start));
 
-                                ranges.push(start..end);
-                                break;
-                            }
+                            ranges.push(start..end);
+                            break;
                         }
                     }
                 }
@@ -1251,25 +1250,25 @@ impl MultiBuffer {
             buffer.update(cx, |buffer, _| {
                 buffer.merge_transactions(transaction, destination)
             });
-        } else if let Some(transaction) = self.history.forget(transaction) {
-            if let Some(destination) = self.history.transaction_mut(destination) {
-                for (buffer_id, buffer_transaction_id) in transaction.buffer_transactions {
-                    if let Some(destination_buffer_transaction_id) =
-                        destination.buffer_transactions.get(&buffer_id)
-                    {
-                        if let Some(state) = self.buffers.borrow().get(&buffer_id) {
-                            state.buffer.update(cx, |buffer, _| {
-                                buffer.merge_transactions(
-                                    buffer_transaction_id,
-                                    *destination_buffer_transaction_id,
-                                )
-                            });
-                        }
-                    } else {
-                        destination
-                            .buffer_transactions
-                            .insert(buffer_id, buffer_transaction_id);
+        } else if let Some(transaction) = self.history.forget(transaction)
+            && let Some(destination) = self.history.transaction_mut(destination)
+        {
+            for (buffer_id, buffer_transaction_id) in transaction.buffer_transactions {
+                if let Some(destination_buffer_transaction_id) =
+                    destination.buffer_transactions.get(&buffer_id)
+                {
+                    if let Some(state) = self.buffers.borrow().get(&buffer_id) {
+                        state.buffer.update(cx, |buffer, _| {
+                            buffer.merge_transactions(
+                                buffer_transaction_id,
+                                *destination_buffer_transaction_id,
+                            )
+                        });
                     }
+                } else {
+                    destination
+                        .buffer_transactions
+                        .insert(buffer_id, buffer_transaction_id);
                 }
             }
         }
@@ -1562,11 +1561,11 @@ impl MultiBuffer {
             });
             let mut merged_ranges: Vec<ExcerptRange<Point>> = Vec::new();
             for range in expanded_ranges {
-                if let Some(last_range) = merged_ranges.last_mut() {
-                    if last_range.context.end >= range.context.start {
-                        last_range.context.end = range.context.end;
-                        continue;
-                    }
+                if let Some(last_range) = merged_ranges.last_mut()
+                    && last_range.context.end >= range.context.start
+                {
+                    last_range.context.end = range.context.end;
+                    continue;
                 }
                 merged_ranges.push(range)
             }
@@ -1686,7 +1685,7 @@ impl MultiBuffer {
         cx: &mut Context<Self>,
     ) -> (Vec<Range<Anchor>>, bool) {
         let (excerpt_ids, added_a_new_excerpt) =
-            self.update_path_excerpts(path, buffer, &buffer_snapshot, new, cx);
+            self.update_path_excerpts(path, buffer, buffer_snapshot, new, cx);
 
         let mut result = Vec::new();
         let mut ranges = ranges.into_iter();
@@ -1726,7 +1725,7 @@ impl MultiBuffer {
             merged_ranges.push(range.clone());
             counts.push(1);
         }
-        return (merged_ranges, counts);
+        (merged_ranges, counts)
     }
 
     fn update_path_excerpts(
@@ -1784,7 +1783,7 @@ impl MultiBuffer {
                     }
                     Some((
                         *existing_id,
-                        excerpt.range.context.to_point(&buffer_snapshot),
+                        excerpt.range.context.to_point(buffer_snapshot),
                     ))
                 } else {
                     None
@@ -1794,25 +1793,25 @@ impl MultiBuffer {
             };
 
             if let Some((last_id, last)) = to_insert.last_mut() {
-                if let Some(new) = new {
-                    if last.context.end >= new.context.start {
-                        last.context.end = last.context.end.max(new.context.end);
-                        excerpt_ids.push(*last_id);
-                        new_iter.next();
-                        continue;
-                    }
+                if let Some(new) = new
+                    && last.context.end >= new.context.start
+                {
+                    last.context.end = last.context.end.max(new.context.end);
+                    excerpt_ids.push(*last_id);
+                    new_iter.next();
+                    continue;
                 }
-                if let Some((existing_id, existing_range)) = &existing {
-                    if last.context.end >= existing_range.start {
-                        last.context.end = last.context.end.max(existing_range.end);
-                        to_remove.push(*existing_id);
-                        self.snapshot
-                            .borrow_mut()
-                            .replaced_excerpts
-                            .insert(*existing_id, *last_id);
-                        existing_iter.next();
-                        continue;
-                    }
+                if let Some((existing_id, existing_range)) = &existing
+                    && last.context.end >= existing_range.start
+                {
+                    last.context.end = last.context.end.max(existing_range.end);
+                    to_remove.push(*existing_id);
+                    self.snapshot
+                        .borrow_mut()
+                        .replaced_excerpts
+                        .insert(*existing_id, *last_id);
+                    existing_iter.next();
+                    continue;
                 }
             }
 
@@ -2105,10 +2104,10 @@ impl MultiBuffer {
             .flatten()
         {
             cursor.seek_forward(&Some(locator), Bias::Left);
-            if let Some(excerpt) = cursor.item() {
-                if excerpt.locator == *locator {
-                    excerpts.push((excerpt.id, excerpt.range.clone()));
-                }
+            if let Some(excerpt) = cursor.item()
+                && excerpt.locator == *locator
+            {
+                excerpts.push((excerpt.id, excerpt.range.clone()));
             }
         }
 
@@ -2120,10 +2119,10 @@ impl MultiBuffer {
         let buffers = self.buffers.borrow();
         let mut excerpts = snapshot
             .excerpts
-            .cursor::<(Option<&Locator>, ExcerptDimension<Point>)>(&());
+            .cursor::<Dimensions<Option<&Locator>, ExcerptDimension<Point>>>(&());
         let mut diff_transforms = snapshot
             .diff_transforms
-            .cursor::<(ExcerptDimension<Point>, OutputDimension<Point>)>(&());
+            .cursor::<Dimensions<ExcerptDimension<Point>, OutputDimension<Point>>>(&());
         diff_transforms.next();
         let locators = buffers
             .get(&buffer_id)
@@ -2132,22 +2131,21 @@ impl MultiBuffer {
         let mut result = Vec::new();
         for locator in locators {
             excerpts.seek_forward(&Some(locator), Bias::Left);
-            if let Some(excerpt) = excerpts.item() {
-                if excerpt.locator == *locator {
-                    let excerpt_start = excerpts.start().1.clone();
-                    let excerpt_end =
-                        ExcerptDimension(excerpt_start.0 + excerpt.text_summary.lines);
+            if let Some(excerpt) = excerpts.item()
+                && excerpt.locator == *locator
+            {
+                let excerpt_start = excerpts.start().1.clone();
+                let excerpt_end = ExcerptDimension(excerpt_start.0 + excerpt.text_summary.lines);
 
-                    diff_transforms.seek_forward(&excerpt_start, Bias::Left);
-                    let overshoot = excerpt_start.0 - diff_transforms.start().0.0;
-                    let start = diff_transforms.start().1.0 + overshoot;
+                diff_transforms.seek_forward(&excerpt_start, Bias::Left);
+                let overshoot = excerpt_start.0 - diff_transforms.start().0.0;
+                let start = diff_transforms.start().1.0 + overshoot;
 
-                    diff_transforms.seek_forward(&excerpt_end, Bias::Right);
-                    let overshoot = excerpt_end.0 - diff_transforms.start().0.0;
-                    let end = diff_transforms.start().1.0 + overshoot;
+                diff_transforms.seek_forward(&excerpt_end, Bias::Right);
+                let overshoot = excerpt_end.0 - diff_transforms.start().0.0;
+                let end = diff_transforms.start().1.0 + overshoot;
 
-                    result.push(start..end)
-                }
+                result.push(start..end)
             }
         }
         result
@@ -2198,6 +2196,15 @@ impl MultiBuffer {
             })
     }
 
+    pub fn buffer_for_anchor(&self, anchor: Anchor, cx: &App) -> Option<Entity<Buffer>> {
+        if let Some(buffer_id) = anchor.buffer_id {
+            self.buffer(buffer_id)
+        } else {
+            let (_, buffer, _) = self.excerpt_containing(anchor, cx)?;
+            Some(buffer)
+        }
+    }
+
     // If point is at the end of the buffer, the last excerpt is returned
     pub fn point_to_buffer_offset<T: ToOffset>(
         &self,
@@ -2281,7 +2288,7 @@ impl MultiBuffer {
         let mut new_excerpts = SumTree::default();
         let mut cursor = snapshot
             .excerpts
-            .cursor::<(Option<&Locator>, ExcerptOffset)>(&());
+            .cursor::<Dimensions<Option<&Locator>, ExcerptOffset>>(&());
         let mut edits = Vec::new();
         let mut excerpt_ids = ids.iter().copied().peekable();
         let mut removed_buffer_ids = Vec::new();
@@ -2316,12 +2323,12 @@ impl MultiBuffer {
                     // Skip over any subsequent excerpts that are also removed.
                     if let Some(&next_excerpt_id) = excerpt_ids.peek() {
                         let next_locator = snapshot.excerpt_locator_for_id(next_excerpt_id);
-                        if let Some(next_excerpt) = cursor.item() {
-                            if next_excerpt.locator == *next_locator {
-                                excerpt_ids.next();
-                                excerpt = next_excerpt;
-                                continue 'remove_excerpts;
-                            }
+                        if let Some(next_excerpt) = cursor.item()
+                            && next_excerpt.locator == *next_locator
+                        {
+                            excerpt_ids.next();
+                            excerpt = next_excerpt;
+                            continue 'remove_excerpts;
                         }
                     }
 
@@ -2429,7 +2436,7 @@ impl MultiBuffer {
         cx.emit(match event {
             language::BufferEvent::Edited => Event::Edited {
                 singleton_buffer_edited: true,
-                edited_buffer: Some(buffer.clone()),
+                edited_buffer: Some(buffer),
             },
             language::BufferEvent::DirtyChanged => Event::DirtyChanged,
             language::BufferEvent::Saved => Event::Saved,
@@ -2484,7 +2491,7 @@ impl MultiBuffer {
         let base_text_changed = snapshot
             .diffs
             .get(&buffer_id)
-            .map_or(true, |old_diff| !new_diff.base_texts_eq(old_diff));
+            .is_none_or(|old_diff| !new_diff.base_texts_eq(old_diff));
 
         snapshot.diffs.insert(buffer_id, new_diff);
 
@@ -2492,35 +2499,35 @@ impl MultiBuffer {
         for locator in &buffer_state.excerpts {
             let mut cursor = snapshot
                 .excerpts
-                .cursor::<(Option<&Locator>, ExcerptOffset)>(&());
+                .cursor::<Dimensions<Option<&Locator>, ExcerptOffset>>(&());
             cursor.seek_forward(&Some(locator), Bias::Left);
-            if let Some(excerpt) = cursor.item() {
-                if excerpt.locator == *locator {
-                    let excerpt_buffer_range = excerpt.range.context.to_offset(&excerpt.buffer);
-                    if diff_change_range.end < excerpt_buffer_range.start
-                        || diff_change_range.start > excerpt_buffer_range.end
-                    {
-                        continue;
-                    }
-                    let excerpt_start = cursor.start().1;
-                    let excerpt_len = ExcerptOffset::new(excerpt.text_summary.len);
-                    let diff_change_start_in_excerpt = ExcerptOffset::new(
-                        diff_change_range
-                            .start
-                            .saturating_sub(excerpt_buffer_range.start),
-                    );
-                    let diff_change_end_in_excerpt = ExcerptOffset::new(
-                        diff_change_range
-                            .end
-                            .saturating_sub(excerpt_buffer_range.start),
-                    );
-                    let edit_start = excerpt_start + diff_change_start_in_excerpt.min(excerpt_len);
-                    let edit_end = excerpt_start + diff_change_end_in_excerpt.min(excerpt_len);
-                    excerpt_edits.push(Edit {
-                        old: edit_start..edit_end,
-                        new: edit_start..edit_end,
-                    });
+            if let Some(excerpt) = cursor.item()
+                && excerpt.locator == *locator
+            {
+                let excerpt_buffer_range = excerpt.range.context.to_offset(&excerpt.buffer);
+                if diff_change_range.end < excerpt_buffer_range.start
+                    || diff_change_range.start > excerpt_buffer_range.end
+                {
+                    continue;
                 }
+                let excerpt_start = cursor.start().1;
+                let excerpt_len = ExcerptOffset::new(excerpt.text_summary.len);
+                let diff_change_start_in_excerpt = ExcerptOffset::new(
+                    diff_change_range
+                        .start
+                        .saturating_sub(excerpt_buffer_range.start),
+                );
+                let diff_change_end_in_excerpt = ExcerptOffset::new(
+                    diff_change_range
+                        .end
+                        .saturating_sub(excerpt_buffer_range.start),
+                );
+                let edit_start = excerpt_start + diff_change_start_in_excerpt.min(excerpt_len);
+                let edit_end = excerpt_start + diff_change_end_in_excerpt.min(excerpt_len);
+                excerpt_edits.push(Edit {
+                    old: edit_start..edit_end,
+                    new: edit_start..edit_end,
+                });
             }
         }
 
@@ -2778,7 +2785,7 @@ impl MultiBuffer {
                 if diff_hunk.excerpt_id.cmp(&end_excerpt_id, &snapshot).is_gt() {
                     continue;
                 }
-                if last_hunk_row.map_or(false, |row| row >= diff_hunk.row_range.start) {
+                if last_hunk_row.is_some_and(|row| row >= diff_hunk.row_range.start) {
                     continue;
                 }
                 let start = Anchor::in_buffer(
@@ -2845,7 +2852,7 @@ impl MultiBuffer {
         let mut new_excerpts = SumTree::default();
         let mut cursor = snapshot
             .excerpts
-            .cursor::<(Option<&Locator>, ExcerptOffset)>(&());
+            .cursor::<Dimensions<Option<&Locator>, ExcerptOffset>>(&());
         let mut edits = Vec::<Edit<ExcerptOffset>>::new();
 
         let prefix = cursor.slice(&Some(locator), Bias::Left);
@@ -2921,7 +2928,7 @@ impl MultiBuffer {
         let mut new_excerpts = SumTree::default();
         let mut cursor = snapshot
             .excerpts
-            .cursor::<(Option<&Locator>, ExcerptOffset)>(&());
+            .cursor::<Dimensions<Option<&Locator>, ExcerptOffset>>(&());
         let mut edits = Vec::<Edit<ExcerptOffset>>::new();
 
         for locator in &locators {
@@ -3042,7 +3049,7 @@ impl MultiBuffer {
             is_dirty |= buffer.is_dirty();
             has_deleted_file |= buffer
                 .file()
-                .map_or(false, |file| file.disk_state() == DiskState::Deleted);
+                .is_some_and(|file| file.disk_state() == DiskState::Deleted);
             has_conflict |= buffer.has_conflict();
         }
         if edited {
@@ -3056,7 +3063,7 @@ impl MultiBuffer {
         snapshot.has_conflict = has_conflict;
 
         for (id, diff) in self.diffs.iter() {
-            if snapshot.diffs.get(&id).is_none() {
+            if snapshot.diffs.get(id).is_none() {
                 snapshot.diffs.insert(*id, diff.diff.read(cx).snapshot(cx));
             }
         }
@@ -3067,7 +3074,7 @@ impl MultiBuffer {
         let mut new_excerpts = SumTree::default();
         let mut cursor = snapshot
             .excerpts
-            .cursor::<(Option<&Locator>, ExcerptOffset)>(&());
+            .cursor::<Dimensions<Option<&Locator>, ExcerptOffset>>(&());
 
         for (locator, buffer, buffer_edited) in excerpts_to_edit {
             new_excerpts.append(cursor.slice(&Some(locator), Bias::Left), &());
@@ -3135,7 +3142,7 @@ impl MultiBuffer {
         let mut excerpts = snapshot.excerpts.cursor::<ExcerptOffset>(&());
         let mut old_diff_transforms = snapshot
             .diff_transforms
-            .cursor::<(ExcerptOffset, usize)>(&());
+            .cursor::<Dimensions<ExcerptOffset, usize>>(&());
         let mut new_diff_transforms = SumTree::default();
         let mut old_expanded_hunks = HashSet::default();
         let mut output_edits = Vec::new();
@@ -3155,13 +3162,12 @@ impl MultiBuffer {
                 at_transform_boundary = false;
                 let transforms_before_edit = old_diff_transforms.slice(&edit.old.start, Bias::Left);
                 self.append_diff_transforms(&mut new_diff_transforms, transforms_before_edit);
-                if let Some(transform) = old_diff_transforms.item() {
-                    if old_diff_transforms.end().0 == edit.old.start
-                        && old_diff_transforms.start().0 < edit.old.start
-                    {
-                        self.push_diff_transform(&mut new_diff_transforms, transform.clone());
-                        old_diff_transforms.next();
-                    }
+                if let Some(transform) = old_diff_transforms.item()
+                    && old_diff_transforms.end().0 == edit.old.start
+                    && old_diff_transforms.start().0 < edit.old.start
+                {
+                    self.push_diff_transform(&mut new_diff_transforms, transform.clone());
+                    old_diff_transforms.next();
                 }
             }
 
@@ -3177,7 +3183,7 @@ impl MultiBuffer {
                 &mut new_diff_transforms,
                 &mut end_of_current_insert,
                 &mut old_expanded_hunks,
-                &snapshot,
+                snapshot,
                 change_kind,
             );
 
@@ -3201,9 +3207,10 @@ impl MultiBuffer {
             // If this is the last edit that intersects the current diff transform,
             // then recreate the content up to the end of this transform, to prepare
             // for reusing additional slices of the old transforms.
-            if excerpt_edits.peek().map_or(true, |next_edit| {
-                next_edit.old.start >= old_diff_transforms.end().0
-            }) {
+            if excerpt_edits
+                .peek()
+                .is_none_or(|next_edit| next_edit.old.start >= old_diff_transforms.end().0)
+            {
                 let keep_next_old_transform = (old_diff_transforms.start().0 >= edit.old.end)
                     && match old_diff_transforms.item() {
                         Some(DiffTransform::BufferContent {
@@ -3223,7 +3230,7 @@ impl MultiBuffer {
 
                 old_expanded_hunks.clear();
                 self.push_buffer_content_transform(
-                    &snapshot,
+                    snapshot,
                     &mut new_diff_transforms,
                     excerpt_offset,
                     end_of_current_insert,
@@ -3260,7 +3267,7 @@ impl MultiBuffer {
         &self,
         edit: &Edit<TypedOffset<Excerpt>>,
         excerpts: &mut Cursor<Excerpt, TypedOffset<Excerpt>>,
-        old_diff_transforms: &mut Cursor<DiffTransform, (TypedOffset<Excerpt>, usize)>,
+        old_diff_transforms: &mut Cursor<DiffTransform, Dimensions<TypedOffset<Excerpt>, usize>>,
         new_diff_transforms: &mut SumTree<DiffTransform>,
         end_of_current_insert: &mut Option<(TypedOffset<Excerpt>, DiffTransformHunkInfo)>,
         old_expanded_hunks: &mut HashSet<DiffTransformHunkInfo>,
@@ -3431,18 +3438,17 @@ impl MultiBuffer {
             inserted_hunk_info,
             summary,
         }) = subtree.first()
-        {
-            if self.extend_last_buffer_content_transform(
+            && self.extend_last_buffer_content_transform(
                 new_transforms,
                 *inserted_hunk_info,
                 *summary,
-            ) {
-                let mut cursor = subtree.cursor::<()>(&());
-                cursor.next();
-                cursor.next();
-                new_transforms.append(cursor.suffix(), &());
-                return;
-            }
+            )
+        {
+            let mut cursor = subtree.cursor::<()>(&());
+            cursor.next();
+            cursor.next();
+            new_transforms.append(cursor.suffix(), &());
+            return;
         }
         new_transforms.append(subtree, &());
     }
@@ -3456,14 +3462,13 @@ impl MultiBuffer {
             inserted_hunk_info: inserted_hunk_anchor,
             summary,
         } = transform
-        {
-            if self.extend_last_buffer_content_transform(
+            && self.extend_last_buffer_content_transform(
                 new_transforms,
                 inserted_hunk_anchor,
                 summary,
-            ) {
-                return;
-            }
+            )
+        {
+            return;
         }
         new_transforms.push(transform, &());
     }
@@ -3518,11 +3523,10 @@ impl MultiBuffer {
                     summary,
                     inserted_hunk_info: inserted_hunk_anchor,
                 } = last_transform
+                    && *inserted_hunk_anchor == new_inserted_hunk_info
                 {
-                    if *inserted_hunk_anchor == new_inserted_hunk_info {
-                        *summary += summary_to_add;
-                        did_extend = true;
-                    }
+                    *summary += summary_to_add;
+                    did_extend = true;
                 }
             },
             &(),
@@ -3565,9 +3569,7 @@ impl MultiBuffer {
         let multi = cx.new(|_| Self::new(Capability::ReadWrite));
         for (text, ranges) in excerpts {
             let buffer = cx.new(|cx| Buffer::local(text, cx));
-            let excerpt_ranges = ranges
-                .into_iter()
-                .map(|range| ExcerptRange::new(range.clone()));
+            let excerpt_ranges = ranges.into_iter().map(ExcerptRange::new);
             multi.update(cx, |multi, cx| {
                 multi.push_excerpts(buffer, excerpt_ranges, cx)
             });
@@ -3601,7 +3603,7 @@ impl MultiBuffer {
         let mut edits: Vec<(Range<usize>, Arc<str>)> = Vec::new();
         let mut last_end = None;
         for _ in 0..edit_count {
-            if last_end.map_or(false, |last_end| last_end >= snapshot.len()) {
+            if last_end.is_some_and(|last_end| last_end >= snapshot.len()) {
                 break;
             }
 
@@ -3916,8 +3918,8 @@ impl MultiBufferSnapshot {
         &self,
         range: Range<T>,
     ) -> Vec<(&BufferSnapshot, Range<usize>, ExcerptId)> {
-        let start = range.start.to_offset(&self);
-        let end = range.end.to_offset(&self);
+        let start = range.start.to_offset(self);
+        let end = range.end.to_offset(self);
 
         let mut cursor = self.cursor::<usize>();
         cursor.seek(&start);
@@ -3955,8 +3957,8 @@ impl MultiBufferSnapshot {
         &self,
         range: Range<T>,
     ) -> impl Iterator<Item = (&BufferSnapshot, Range<usize>, ExcerptId, Option<Anchor>)> + '_ {
-        let start = range.start.to_offset(&self);
-        let end = range.end.to_offset(&self);
+        let start = range.start.to_offset(self);
+        let end = range.end.to_offset(self);
 
         let mut cursor = self.cursor::<usize>();
         cursor.seek(&start);
@@ -4037,10 +4039,10 @@ impl MultiBufferSnapshot {
 
         cursor.seek(&query_range.start);
 
-        if let Some(region) = cursor.region().filter(|region| !region.is_main_buffer) {
-            if region.range.start > D::zero(&()) {
-                cursor.prev()
-            }
+        if let Some(region) = cursor.region().filter(|region| !region.is_main_buffer)
+            && region.range.start > D::zero(&())
+        {
+            cursor.prev()
         }
 
         iter::from_fn(move || {
@@ -4070,19 +4072,15 @@ impl MultiBufferSnapshot {
                         buffer_start = cursor.main_buffer_position()?;
                     };
                     let mut buffer_end = excerpt.range.context.end.summary::<D>(&excerpt.buffer);
-                    if let Some((end_excerpt_id, end_buffer_offset)) = range_end {
-                        if excerpt.id == end_excerpt_id {
-                            buffer_end = buffer_end.min(end_buffer_offset);
-                        }
+                    if let Some((end_excerpt_id, end_buffer_offset)) = range_end
+                        && excerpt.id == end_excerpt_id
+                    {
+                        buffer_end = buffer_end.min(end_buffer_offset);
                     }
 
-                    if let Some(iterator) =
-                        get_buffer_metadata(&excerpt.buffer, buffer_start..buffer_end)
-                    {
-                        Some(&mut current_excerpt_metadata.insert((excerpt.id, iterator)).1)
-                    } else {
-                        None
-                    }
+                    get_buffer_metadata(&excerpt.buffer, buffer_start..buffer_end).map(|iterator| {
+                        &mut current_excerpt_metadata.insert((excerpt.id, iterator)).1
+                    })
                 };
 
                 // Visit each metadata item.
@@ -4144,10 +4142,10 @@ impl MultiBufferSnapshot {
                 // When there are no more metadata items for this excerpt, move to the next excerpt.
                 else {
                     current_excerpt_metadata.take();
-                    if let Some((end_excerpt_id, _)) = range_end {
-                        if excerpt.id == end_excerpt_id {
-                            return None;
-                        }
+                    if let Some((end_excerpt_id, _)) = range_end
+                        && excerpt.id == end_excerpt_id
+                    {
+                        return None;
                     }
                     cursor.next_excerpt();
                 }
@@ -4186,7 +4184,7 @@ impl MultiBufferSnapshot {
                 }
                 let start =
                     Anchor::in_buffer(excerpt.id, excerpt.buffer_id, hunk.buffer_range.start)
-                        .to_point(&self);
+                        .to_point(self);
                 return Some(MultiBufferRow(start.row));
             }
         }
@@ -4204,7 +4202,7 @@ impl MultiBufferSnapshot {
                 continue;
             };
             let start = Anchor::in_buffer(excerpt.id, excerpt.buffer_id, hunk.buffer_range.start)
-                .to_point(&self);
+                .to_point(self);
             return Some(MultiBufferRow(start.row));
         }
     }
@@ -4455,7 +4453,7 @@ impl MultiBufferSnapshot {
             let mut buffer_position = region.buffer_range.start;
             buffer_position.add_assign(&overshoot);
             let clipped_buffer_position =
-                clip_buffer_position(&region.buffer, buffer_position, bias);
+                clip_buffer_position(region.buffer, buffer_position, bias);
             let mut position = region.range.start;
             position.add_assign(&(clipped_buffer_position - region.buffer_range.start));
             position
@@ -4485,7 +4483,7 @@ impl MultiBufferSnapshot {
             let buffer_start_value = region.buffer_range.start.value.unwrap();
             let mut buffer_key = buffer_start_key;
             buffer_key.add_assign(&(key - start_key));
-            let buffer_value = convert_buffer_dimension(&region.buffer, buffer_key);
+            let buffer_value = convert_buffer_dimension(region.buffer, buffer_key);
             let mut result = start_value;
             result.add_assign(&(buffer_value - buffer_start_value));
             result
@@ -4622,20 +4620,20 @@ impl MultiBufferSnapshot {
     pub fn indent_and_comment_for_line(&self, row: MultiBufferRow, cx: &App) -> String {
         let mut indent = self.indent_size_for_line(row).chars().collect::<String>();
 
-        if self.language_settings(cx).extend_comment_on_newline {
-            if let Some(language_scope) = self.language_scope_at(Point::new(row.0, 0)) {
-                let delimiters = language_scope.line_comment_prefixes();
-                for delimiter in delimiters {
-                    if *self
-                        .chars_at(Point::new(row.0, indent.len() as u32))
-                        .take(delimiter.chars().count())
-                        .collect::<String>()
-                        .as_str()
-                        == **delimiter
-                    {
-                        indent.push_str(&delimiter);
-                        break;
-                    }
+        if self.language_settings(cx).extend_comment_on_newline
+            && let Some(language_scope) = self.language_scope_at(Point::new(row.0, 0))
+        {
+            let delimiters = language_scope.line_comment_prefixes();
+            for delimiter in delimiters {
+                if *self
+                    .chars_at(Point::new(row.0, indent.len() as u32))
+                    .take(delimiter.chars().count())
+                    .collect::<String>()
+                    .as_str()
+                    == **delimiter
+                {
+                    indent.push_str(delimiter);
+                    break;
                 }
             }
         }
@@ -4655,7 +4653,7 @@ impl MultiBufferSnapshot {
                 return true;
             }
         }
-        return true;
+        true
     }
 
     pub fn prev_non_blank_row(&self, mut row: MultiBufferRow) -> Option<MultiBufferRow> {
@@ -4713,7 +4711,9 @@ impl MultiBufferSnapshot {
         O: ToOffset,
     {
         let range = range.start.to_offset(self)..range.end.to_offset(self);
-        let mut cursor = self.diff_transforms.cursor::<(usize, ExcerptOffset)>(&());
+        let mut cursor = self
+            .diff_transforms
+            .cursor::<Dimensions<usize, ExcerptOffset>>(&());
         cursor.seek(&range.start, Bias::Right);
 
         let Some(first_transform) = cursor.item() else {
@@ -4867,7 +4867,10 @@ impl MultiBufferSnapshot {
         &self,
         anchor: &Anchor,
         excerpt_position: D,
-        diff_transforms: &mut Cursor<DiffTransform, (ExcerptDimension<D>, OutputDimension<D>)>,
+        diff_transforms: &mut Cursor<
+            DiffTransform,
+            Dimensions<ExcerptDimension<D>, OutputDimension<D>>,
+        >,
     ) -> D
     where
         D: TextDimension + Ord + Sub<D, Output = D>,
@@ -4888,25 +4891,22 @@ impl MultiBufferSnapshot {
                     base_text_byte_range,
                     ..
                 }) => {
-                    if let Some(diff_base_anchor) = &anchor.diff_base_anchor {
-                        if let Some(base_text) =
+                    if let Some(diff_base_anchor) = &anchor.diff_base_anchor
+                        && let Some(base_text) =
                             self.diffs.get(buffer_id).map(|diff| diff.base_text())
+                        && base_text.can_resolve(diff_base_anchor)
+                    {
+                        let base_text_offset = diff_base_anchor.to_offset(base_text);
+                        if base_text_offset >= base_text_byte_range.start
+                            && base_text_offset <= base_text_byte_range.end
                         {
-                            if base_text.can_resolve(&diff_base_anchor) {
-                                let base_text_offset = diff_base_anchor.to_offset(&base_text);
-                                if base_text_offset >= base_text_byte_range.start
-                                    && base_text_offset <= base_text_byte_range.end
-                                {
-                                    let position_in_hunk = base_text
-                                        .text_summary_for_range::<D, _>(
-                                            base_text_byte_range.start..base_text_offset,
-                                        );
-                                    position.add_assign(&position_in_hunk);
-                                } else if at_transform_end {
-                                    diff_transforms.next();
-                                    continue;
-                                }
-                            }
+                            let position_in_hunk = base_text.text_summary_for_range::<D, _>(
+                                base_text_byte_range.start..base_text_offset,
+                            );
+                            position.add_assign(&position_in_hunk);
+                        } else if at_transform_end {
+                            diff_transforms.next();
+                            continue;
                         }
                     }
                 }
@@ -4927,7 +4927,7 @@ impl MultiBufferSnapshot {
     fn excerpt_offset_for_anchor(&self, anchor: &Anchor) -> ExcerptOffset {
         let mut cursor = self
             .excerpts
-            .cursor::<(Option<&Locator>, ExcerptOffset)>(&());
+            .cursor::<Dimensions<Option<&Locator>, ExcerptOffset>>(&());
         let locator = self.excerpt_locator_for_id(anchor.excerpt_id);
 
         cursor.seek(&Some(locator), Bias::Left);
@@ -4936,20 +4936,19 @@ impl MultiBufferSnapshot {
         }
 
         let mut position = cursor.start().1;
-        if let Some(excerpt) = cursor.item() {
-            if excerpt.id == anchor.excerpt_id {
-                let excerpt_buffer_start = excerpt
-                    .buffer
-                    .offset_for_anchor(&excerpt.range.context.start);
-                let excerpt_buffer_end =
-                    excerpt.buffer.offset_for_anchor(&excerpt.range.context.end);
-                let buffer_position = cmp::min(
-                    excerpt_buffer_end,
-                    excerpt.buffer.offset_for_anchor(&anchor.text_anchor),
-                );
-                if buffer_position > excerpt_buffer_start {
-                    position.value += buffer_position - excerpt_buffer_start;
-                }
+        if let Some(excerpt) = cursor.item()
+            && excerpt.id == anchor.excerpt_id
+        {
+            let excerpt_buffer_start = excerpt
+                .buffer
+                .offset_for_anchor(&excerpt.range.context.start);
+            let excerpt_buffer_end = excerpt.buffer.offset_for_anchor(&excerpt.range.context.end);
+            let buffer_position = cmp::min(
+                excerpt_buffer_end,
+                excerpt.buffer.offset_for_anchor(&anchor.text_anchor),
+            );
+            if buffer_position > excerpt_buffer_start {
+                position.value += buffer_position - excerpt_buffer_start;
             }
         }
         position
@@ -4959,7 +4958,7 @@ impl MultiBufferSnapshot {
         while let Some(replacement) = self.replaced_excerpts.get(&excerpt_id) {
             excerpt_id = *replacement;
         }
-        return excerpt_id;
+        excerpt_id
     }
 
     pub fn summaries_for_anchors<'a, D, I>(&'a self, anchors: I) -> Vec<D>
@@ -4971,7 +4970,7 @@ impl MultiBufferSnapshot {
         let mut cursor = self.excerpts.cursor::<ExcerptSummary>(&());
         let mut diff_transforms_cursor = self
             .diff_transforms
-            .cursor::<(ExcerptDimension<D>, OutputDimension<D>)>(&());
+            .cursor::<Dimensions<ExcerptDimension<D>, OutputDimension<D>>>(&());
         diff_transforms_cursor.next();
 
         let mut summaries = Vec::new();
@@ -5077,9 +5076,9 @@ impl MultiBufferSnapshot {
                 if point == region.range.end.key && region.has_trailing_newline {
                     position.add_assign(&D::from_text_summary(&TextSummary::newline()));
                 }
-                return Some(position);
+                Some(position)
             } else {
-                return Some(D::from_text_summary(&self.text_summary()));
+                Some(D::from_text_summary(&self.text_summary()))
             }
         })
     }
@@ -5119,7 +5118,7 @@ impl MultiBufferSnapshot {
                 // Leave min and max anchors unchanged if invalid or
                 // if the old excerpt still exists at this location
                 let mut kept_position = next_excerpt
-                    .map_or(false, |e| e.id == old_excerpt_id && e.contains(&anchor))
+                    .is_some_and(|e| e.id == old_excerpt_id && e.contains(&anchor))
                     || old_excerpt_id == ExcerptId::max()
                     || old_excerpt_id == ExcerptId::min();
 
@@ -5201,18 +5200,17 @@ impl MultiBufferSnapshot {
 
         // Find the given position in the diff transforms. Determine the corresponding
         // offset in the excerpts, and whether the position is within a deleted hunk.
-        let mut diff_transforms = self.diff_transforms.cursor::<(usize, ExcerptOffset)>(&());
+        let mut diff_transforms = self
+            .diff_transforms
+            .cursor::<Dimensions<usize, ExcerptOffset>>(&());
         diff_transforms.seek(&offset, Bias::Right);
 
-        if offset == diff_transforms.start().0 && bias == Bias::Left {
-            if let Some(prev_item) = diff_transforms.prev_item() {
-                match prev_item {
-                    DiffTransform::DeletedHunk { .. } => {
-                        diff_transforms.prev();
-                    }
-                    _ => {}
-                }
-            }
+        if offset == diff_transforms.start().0
+            && bias == Bias::Left
+            && let Some(prev_item) = diff_transforms.prev_item()
+            && let DiffTransform::DeletedHunk { .. } = prev_item
+        {
+            diff_transforms.prev();
         }
         let offset_in_transform = offset - diff_transforms.start().0;
         let mut excerpt_offset = diff_transforms.start().1;
@@ -5239,18 +5237,9 @@ impl MultiBufferSnapshot {
             excerpt_offset += ExcerptOffset::new(offset_in_transform);
         };
 
-        if let Some((excerpt_id, buffer_id, buffer)) = self.as_singleton() {
-            return Anchor {
-                buffer_id: Some(buffer_id),
-                excerpt_id: *excerpt_id,
-                text_anchor: buffer.anchor_at(excerpt_offset.value, bias),
-                diff_base_anchor,
-            };
-        }
-
         let mut excerpts = self
             .excerpts
-            .cursor::<(ExcerptOffset, Option<ExcerptId>)>(&());
+            .cursor::<Dimensions<ExcerptOffset, Option<ExcerptId>>>(&());
         excerpts.seek(&excerpt_offset, Bias::Right);
         if excerpts.item().is_none() && excerpt_offset == excerpts.start().0 && bias == Bias::Left {
             excerpts.prev();
@@ -5271,10 +5260,17 @@ impl MultiBufferSnapshot {
                 text_anchor,
                 diff_base_anchor,
             }
-        } else if excerpt_offset.is_zero() && bias == Bias::Left {
-            Anchor::min()
         } else {
-            Anchor::max()
+            let mut anchor = if excerpt_offset.is_zero() && bias == Bias::Left {
+                Anchor::min()
+            } else {
+                Anchor::max()
+            };
+            // TODO this is a hack, remove it
+            if let Some((excerpt_id, _, _)) = self.as_singleton() {
+                anchor.excerpt_id = *excerpt_id;
+            }
+            anchor
         }
     }
 
@@ -5289,17 +5285,17 @@ impl MultiBufferSnapshot {
         let locator = self.excerpt_locator_for_id(excerpt_id);
         let mut cursor = self.excerpts.cursor::<Option<&Locator>>(&());
         cursor.seek(locator, Bias::Left);
-        if let Some(excerpt) = cursor.item() {
-            if excerpt.id == excerpt_id {
-                let text_anchor = excerpt.clip_anchor(text_anchor);
-                drop(cursor);
-                return Some(Anchor {
-                    buffer_id: Some(excerpt.buffer_id),
-                    excerpt_id,
-                    text_anchor,
-                    diff_base_anchor: None,
-                });
-            }
+        if let Some(excerpt) = cursor.item()
+            && excerpt.id == excerpt_id
+        {
+            let text_anchor = excerpt.clip_anchor(text_anchor);
+            drop(cursor);
+            return Some(Anchor {
+                buffer_id: Some(excerpt.buffer_id),
+                excerpt_id,
+                text_anchor,
+                diff_base_anchor: None,
+            });
         }
         None
     }
@@ -5341,7 +5337,7 @@ impl MultiBufferSnapshot {
         let start_locator = self.excerpt_locator_for_id(id);
         let mut excerpts = self
             .excerpts
-            .cursor::<(Option<&Locator>, ExcerptDimension<usize>)>(&());
+            .cursor::<Dimensions<Option<&Locator>, ExcerptDimension<usize>>>(&());
         excerpts.seek(&Some(start_locator), Bias::Left);
         excerpts.prev();
 
@@ -5484,7 +5480,7 @@ impl MultiBufferSnapshot {
         let range_filter = |open: Range<usize>, close: Range<usize>| -> bool {
             excerpt_buffer_range.contains(&open.start)
                 && excerpt_buffer_range.contains(&close.end)
-                && range_filter.map_or(true, |filter| filter(buffer, open, close))
+                && range_filter.is_none_or(|filter| filter(buffer, open, close))
         };
 
         let (open, close) = excerpt.buffer().innermost_enclosing_bracket_ranges(
@@ -5644,10 +5640,10 @@ impl MultiBufferSnapshot {
                 .buffer
                 .line_indents_in_row_range(buffer_start_row..buffer_end_row);
             cursor.next();
-            return Some(line_indents.map(move |(buffer_row, indent)| {
+            Some(line_indents.map(move |(buffer_row, indent)| {
                 let row = region.range.start.row + (buffer_row - region.buffer_range.start.row);
                 (MultiBufferRow(row), indent, &region.excerpt.buffer)
-            }));
+            }))
         })
         .flatten()
     }
@@ -5684,10 +5680,10 @@ impl MultiBufferSnapshot {
                 .buffer
                 .reversed_line_indents_in_row_range(buffer_start_row..buffer_end_row);
             cursor.prev();
-            return Some(line_indents.map(move |(buffer_row, indent)| {
+            Some(line_indents.map(move |(buffer_row, indent)| {
                 let row = region.range.start.row + (buffer_row - region.buffer_range.start.row);
                 (MultiBufferRow(row), indent, &region.excerpt.buffer)
-            }));
+            }))
         })
         .flatten()
     }
@@ -5853,10 +5849,10 @@ impl MultiBufferSnapshot {
             let current_depth = indent_stack.len() as u32;
 
             // Avoid retrieving the language settings repeatedly for every buffer row.
-            if let Some((prev_buffer_id, _)) = &prev_settings {
-                if prev_buffer_id != &buffer.remote_id() {
-                    prev_settings.take();
-                }
+            if let Some((prev_buffer_id, _)) = &prev_settings
+                && prev_buffer_id != &buffer.remote_id()
+            {
+                prev_settings.take();
             }
             let settings = &prev_settings
                 .get_or_insert_with(|| {
@@ -6185,10 +6181,10 @@ impl MultiBufferSnapshot {
         } else {
             let mut cursor = self.excerpt_ids.cursor::<ExcerptId>(&());
             cursor.seek(&id, Bias::Left);
-            if let Some(entry) = cursor.item() {
-                if entry.id == id {
-                    return &entry.locator;
-                }
+            if let Some(entry) = cursor.item()
+                && entry.id == id
+            {
+                return &entry.locator;
             }
             panic!("invalid excerpt id {id:?}")
         }
@@ -6242,14 +6238,14 @@ impl MultiBufferSnapshot {
     pub fn range_for_excerpt(&self, excerpt_id: ExcerptId) -> Option<Range<Point>> {
         let mut cursor = self
             .excerpts
-            .cursor::<(Option<&Locator>, ExcerptDimension<Point>)>(&());
+            .cursor::<Dimensions<Option<&Locator>, ExcerptDimension<Point>>>(&());
         let locator = self.excerpt_locator_for_id(excerpt_id);
         if cursor.seek(&Some(locator), Bias::Left) {
             let start = cursor.start().1.clone();
             let end = cursor.end().1;
             let mut diff_transforms = self
                 .diff_transforms
-                .cursor::<(ExcerptDimension<Point>, OutputDimension<Point>)>(&());
+                .cursor::<Dimensions<ExcerptDimension<Point>, OutputDimension<Point>>>(&());
             diff_transforms.seek(&start, Bias::Left);
             let overshoot = start.0 - diff_transforms.start().0.0;
             let start = diff_transforms.start().1.0 + overshoot;
@@ -6265,10 +6261,10 @@ impl MultiBufferSnapshot {
     pub fn buffer_range_for_excerpt(&self, excerpt_id: ExcerptId) -> Option<Range<text::Anchor>> {
         let mut cursor = self.excerpts.cursor::<Option<&Locator>>(&());
         let locator = self.excerpt_locator_for_id(excerpt_id);
-        if cursor.seek(&Some(locator), Bias::Left) {
-            if let Some(excerpt) = cursor.item() {
-                return Some(excerpt.range.context.clone());
-            }
+        if cursor.seek(&Some(locator), Bias::Left)
+            && let Some(excerpt) = cursor.item()
+        {
+            return Some(excerpt.range.context.clone());
         }
         None
     }
@@ -6277,10 +6273,10 @@ impl MultiBufferSnapshot {
         let mut cursor = self.excerpts.cursor::<Option<&Locator>>(&());
         let locator = self.excerpt_locator_for_id(excerpt_id);
         cursor.seek(&Some(locator), Bias::Left);
-        if let Some(excerpt) = cursor.item() {
-            if excerpt.id == excerpt_id {
-                return Some(excerpt);
-            }
+        if let Some(excerpt) = cursor.item()
+            && excerpt.id == excerpt_id
+        {
+            return Some(excerpt);
         }
         None
     }
@@ -6316,6 +6312,14 @@ impl MultiBufferSnapshot {
         })
     }
 
+    pub fn buffer_id_for_anchor(&self, anchor: Anchor) -> Option<BufferId> {
+        if let Some(id) = anchor.buffer_id {
+            return Some(id);
+        }
+        let excerpt = self.excerpt_containing(anchor..anchor)?;
+        Some(excerpt.buffer_id())
+    }
+
     pub fn selections_in_range<'a>(
         &'a self,
         range: &'a Range<Anchor>,
@@ -6411,7 +6415,7 @@ impl MultiBufferSnapshot {
 
         for (ix, entry) in excerpt_ids.iter().enumerate() {
             if ix == 0 {
-                if entry.id.cmp(&ExcerptId::min(), &self).is_le() {
+                if entry.id.cmp(&ExcerptId::min(), self).is_le() {
                     panic!("invalid first excerpt id {:?}", entry.id);
                 }
             } else if entry.id <= excerpt_ids[ix - 1].id {
@@ -6439,13 +6443,12 @@ impl MultiBufferSnapshot {
                     inserted_hunk_info: prev_inserted_hunk_info,
                     ..
                 }) = prev_transform
+                    && *inserted_hunk_info == *prev_inserted_hunk_info
                 {
-                    if *inserted_hunk_info == *prev_inserted_hunk_info {
-                        panic!(
-                            "multiple adjacent buffer content transforms with is_inserted_hunk = {inserted_hunk_info:?}. transforms: {:+?}",
-                            self.diff_transforms.items(&())
-                        );
-                    }
+                    panic!(
+                        "multiple adjacent buffer content transforms with is_inserted_hunk = {inserted_hunk_info:?}. transforms: {:+?}",
+                        self.diff_transforms.items(&())
+                    );
                 }
                 if summary.len == 0 && !self.is_empty() {
                     panic!("empty buffer content transform");
@@ -6545,14 +6548,12 @@ where
                     self.excerpts.next();
                 } else if let Some(DiffTransform::DeletedHunk { hunk_info, .. }) =
                     self.diff_transforms.item()
-                {
-                    if self
+                    && self
                         .excerpts
                         .item()
-                        .map_or(false, |excerpt| excerpt.id != hunk_info.excerpt_id)
-                    {
-                        self.excerpts.next();
-                    }
+                        .is_some_and(|excerpt| excerpt.id != hunk_info.excerpt_id)
+                {
+                    self.excerpts.next();
                 }
             }
         }
@@ -6597,7 +6598,7 @@ where
         let prev_transform = self.diff_transforms.item();
         self.diff_transforms.next();
 
-        prev_transform.map_or(true, |next_transform| {
+        prev_transform.is_none_or(|next_transform| {
             matches!(next_transform, DiffTransform::BufferContent { .. })
         })
     }
@@ -6612,12 +6613,12 @@ where
         }
 
         let next_transform = self.diff_transforms.next_item();
-        next_transform.map_or(true, |next_transform| match next_transform {
+        next_transform.is_none_or(|next_transform| match next_transform {
             DiffTransform::BufferContent { .. } => true,
             DiffTransform::DeletedHunk { hunk_info, .. } => self
                 .excerpts
                 .item()
-                .map_or(false, |excerpt| excerpt.id != hunk_info.excerpt_id),
+                .is_some_and(|excerpt| excerpt.id != hunk_info.excerpt_id),
         })
     }
 
@@ -6641,7 +6642,7 @@ where
                 hunk_info,
                 ..
             } => {
-                let diff = self.diffs.get(&buffer_id)?;
+                let diff = self.diffs.get(buffer_id)?;
                 let buffer = diff.base_text();
                 let mut rope_cursor = buffer.as_rope().cursor(0);
                 let buffer_start = rope_cursor.summary::<D>(base_text_byte_range.start);
@@ -6650,7 +6651,7 @@ where
                 buffer_end.add_assign(&buffer_range_len);
                 let start = self.diff_transforms.start().output_dimension.0;
                 let end = self.diff_transforms.end().output_dimension.0;
-                return Some(MultiBufferRegion {
+                Some(MultiBufferRegion {
                     buffer,
                     excerpt,
                     has_trailing_newline: *has_trailing_newline,
@@ -6660,7 +6661,7 @@ where
                     )),
                     buffer_range: buffer_start..buffer_end,
                     range: start..end,
-                });
+                })
             }
             DiffTransform::BufferContent {
                 inserted_hunk_info, ..
@@ -6997,7 +6998,7 @@ impl Excerpt {
     }
 
     fn contains(&self, anchor: &Anchor) -> bool {
-        Some(self.buffer_id) == anchor.buffer_id
+        (anchor.buffer_id == None || anchor.buffer_id == Some(self.buffer_id))
             && self
                 .range
                 .context
@@ -7157,7 +7158,7 @@ impl ExcerptId {
         Self(usize::MAX)
     }
 
-    pub fn to_proto(&self) -> u64 {
+    pub fn to_proto(self) -> u64 {
         self.0 as _
     }
 
@@ -7498,61 +7499,59 @@ impl Iterator for MultiBufferRows<'_> {
             self.cursor.next();
             if let Some(next_region) = self.cursor.region() {
                 region = next_region;
-            } else {
-                if self.point == self.cursor.diff_transforms.end().output_dimension.0 {
-                    let multibuffer_row = MultiBufferRow(self.point.row);
-                    let last_excerpt = self
-                        .cursor
-                        .excerpts
-                        .item()
-                        .or(self.cursor.excerpts.prev_item())?;
-                    let last_row = last_excerpt
-                        .range
-                        .context
-                        .end
-                        .to_point(&last_excerpt.buffer)
-                        .row;
+            } else if self.point == self.cursor.diff_transforms.end().output_dimension.0 {
+                let multibuffer_row = MultiBufferRow(self.point.row);
+                let last_excerpt = self
+                    .cursor
+                    .excerpts
+                    .item()
+                    .or(self.cursor.excerpts.prev_item())?;
+                let last_row = last_excerpt
+                    .range
+                    .context
+                    .end
+                    .to_point(&last_excerpt.buffer)
+                    .row;
 
-                    let first_row = last_excerpt
-                        .range
-                        .context
-                        .start
-                        .to_point(&last_excerpt.buffer)
-                        .row;
+                let first_row = last_excerpt
+                    .range
+                    .context
+                    .start
+                    .to_point(&last_excerpt.buffer)
+                    .row;
 
-                    let expand_info = if self.is_singleton {
-                        None
-                    } else {
-                        let needs_expand_up = first_row == last_row
-                            && last_row > 0
-                            && !region.diff_hunk_status.is_some_and(|d| d.is_deleted());
-                        let needs_expand_down = last_row < last_excerpt.buffer.max_point().row;
-
-                        if needs_expand_up && needs_expand_down {
-                            Some(ExpandExcerptDirection::UpAndDown)
-                        } else if needs_expand_up {
-                            Some(ExpandExcerptDirection::Up)
-                        } else if needs_expand_down {
-                            Some(ExpandExcerptDirection::Down)
-                        } else {
-                            None
-                        }
-                        .map(|direction| ExpandInfo {
-                            direction,
-                            excerpt_id: last_excerpt.id,
-                        })
-                    };
-                    self.point += Point::new(1, 0);
-                    return Some(RowInfo {
-                        buffer_id: Some(last_excerpt.buffer_id),
-                        buffer_row: Some(last_row),
-                        multibuffer_row: Some(multibuffer_row),
-                        diff_status: None,
-                        expand_info,
-                    });
+                let expand_info = if self.is_singleton {
+                    None
                 } else {
-                    return None;
-                }
+                    let needs_expand_up = first_row == last_row
+                        && last_row > 0
+                        && !region.diff_hunk_status.is_some_and(|d| d.is_deleted());
+                    let needs_expand_down = last_row < last_excerpt.buffer.max_point().row;
+
+                    if needs_expand_up && needs_expand_down {
+                        Some(ExpandExcerptDirection::UpAndDown)
+                    } else if needs_expand_up {
+                        Some(ExpandExcerptDirection::Up)
+                    } else if needs_expand_down {
+                        Some(ExpandExcerptDirection::Down)
+                    } else {
+                        None
+                    }
+                    .map(|direction| ExpandInfo {
+                        direction,
+                        excerpt_id: last_excerpt.id,
+                    })
+                };
+                self.point += Point::new(1, 0);
+                return Some(RowInfo {
+                    buffer_id: Some(last_excerpt.buffer_id),
+                    buffer_row: Some(last_row),
+                    multibuffer_row: Some(multibuffer_row),
+                    diff_status: None,
+                    expand_info,
+                });
+            } else {
+                return None;
             };
         }
 
@@ -7760,7 +7759,7 @@ impl<'a> Iterator for MultiBufferChunks<'a> {
                     }
                     chunks
                 } else {
-                    let base_buffer = &self.diffs.get(&buffer_id)?.base_text();
+                    let base_buffer = &self.diffs.get(buffer_id)?.base_text();
                     base_buffer.chunks(base_text_start..base_text_end, self.language_aware)
                 };
 
@@ -7848,10 +7847,11 @@ impl io::Read for ReversedMultiBufferBytes<'_> {
         if len > 0 {
             self.range.end -= len;
             self.chunk = &self.chunk[..self.chunk.len() - len];
-            if !self.range.is_empty() && self.chunk.is_empty() {
-                if let Some(chunk) = self.chunks.next() {
-                    self.chunk = chunk.as_bytes();
-                }
+            if !self.range.is_empty()
+                && self.chunk.is_empty()
+                && let Some(chunk) = self.chunks.next()
+            {
+                self.chunk = chunk.as_bytes();
             }
         }
         Ok(len)
diff --git a/crates/multi_buffer/src/multi_buffer_tests.rs b/crates/multi_buffer/src/multi_buffer_tests.rs
index 824efa559f..61b4b0520f 100644
--- a/crates/multi_buffer/src/multi_buffer_tests.rs
+++ b/crates/multi_buffer/src/multi_buffer_tests.rs
@@ -473,7 +473,7 @@ fn test_editing_text_in_diff_hunks(cx: &mut TestAppContext) {
     let base_text = "one\ntwo\nfour\nfive\nsix\nseven\n";
     let text = "one\ntwo\nTHREE\nfour\nfive\nseven\n";
     let buffer = cx.new(|cx| Buffer::local(text, cx));
-    let diff = cx.new(|cx| BufferDiff::new_with_base_text(&base_text, &buffer, cx));
+    let diff = cx.new(|cx| BufferDiff::new_with_base_text(base_text, &buffer, cx));
     let multibuffer = cx.new(|cx| MultiBuffer::singleton(buffer.clone(), cx));
 
     let (mut snapshot, mut subscription) = multibuffer.update(cx, |multibuffer, cx| {
@@ -2250,11 +2250,11 @@ impl ReferenceMultibuffer {
             let base_buffer = diff.base_text();
 
             let mut offset = buffer_range.start;
-            let mut hunks = diff
+            let hunks = diff
                 .hunks_intersecting_range(excerpt.range.clone(), buffer, cx)
                 .peekable();
 
-            while let Some(hunk) = hunks.next() {
+            for hunk in hunks {
                 // Ignore hunks that are outside the excerpt range.
                 let mut hunk_range = hunk.buffer_range.to_offset(buffer);
 
@@ -2265,14 +2265,14 @@ impl ReferenceMultibuffer {
                 }
 
                 if !excerpt.expanded_diff_hunks.iter().any(|expanded_anchor| {
-                    expanded_anchor.to_offset(&buffer).max(buffer_range.start)
+                    expanded_anchor.to_offset(buffer).max(buffer_range.start)
                         == hunk_range.start.max(buffer_range.start)
                 }) {
                     log::trace!("skipping a hunk that's not marked as expanded");
                     continue;
                 }
 
-                if !hunk.buffer_range.start.is_valid(&buffer) {
+                if !hunk.buffer_range.start.is_valid(buffer) {
                     log::trace!("skipping hunk with deleted start: {:?}", hunk.range);
                     continue;
                 }
@@ -2449,7 +2449,7 @@ impl ReferenceMultibuffer {
                     return false;
                 }
                 while let Some(hunk) = hunks.peek() {
-                    match hunk.buffer_range.start.cmp(&hunk_anchor, &buffer) {
+                    match hunk.buffer_range.start.cmp(hunk_anchor, &buffer) {
                         cmp::Ordering::Less => {
                             hunks.next();
                         }
@@ -2519,8 +2519,8 @@ async fn test_random_set_ranges(cx: &mut TestAppContext, mut rng: StdRng) {
         let mut seen_ranges = Vec::default();
 
         for (_, buf, range) in snapshot.excerpts() {
-            let start = range.context.start.to_point(&buf);
-            let end = range.context.end.to_point(&buf);
+            let start = range.context.start.to_point(buf);
+            let end = range.context.end.to_point(buf);
             seen_ranges.push(start..end);
 
             if let Some(last_end) = last_end.take() {
@@ -2739,9 +2739,8 @@ async fn test_random_multibuffer(cx: &mut TestAppContext, mut rng: StdRng) {
                     let id = buffer_handle.read(cx).remote_id();
                     if multibuffer.diff_for(id).is_none() {
                         let base_text = base_texts.get(&id).unwrap();
-                        let diff = cx.new(|cx| {
-                            BufferDiff::new_with_base_text(base_text, &buffer_handle, cx)
-                        });
+                        let diff = cx
+                            .new(|cx| BufferDiff::new_with_base_text(base_text, buffer_handle, cx));
                         reference.add_diff(diff.clone(), cx);
                         multibuffer.add_diff(diff, cx)
                     }
@@ -3593,24 +3592,20 @@ fn assert_position_translation(snapshot: &MultiBufferSnapshot) {
 
     for (anchors, bias) in [(&left_anchors, Bias::Left), (&right_anchors, Bias::Right)] {
         for (ix, (offset, anchor)) in offsets.iter().zip(anchors).enumerate() {
-            if ix > 0 {
-                if *offset == 252 {
-                    if offset > &offsets[ix - 1] {
-                        let prev_anchor = left_anchors[ix - 1];
-                        assert!(
-                            anchor.cmp(&prev_anchor, snapshot).is_gt(),
-                            "anchor({}, {bias:?}).cmp(&anchor({}, {bias:?}).is_gt()",
-                            offsets[ix],
-                            offsets[ix - 1],
-                        );
-                        assert!(
-                            prev_anchor.cmp(&anchor, snapshot).is_lt(),
-                            "anchor({}, {bias:?}).cmp(&anchor({}, {bias:?}).is_lt()",
-                            offsets[ix - 1],
-                            offsets[ix],
-                        );
-                    }
-                }
+            if ix > 0 && *offset == 252 && offset > &offsets[ix - 1] {
+                let prev_anchor = left_anchors[ix - 1];
+                assert!(
+                    anchor.cmp(&prev_anchor, snapshot).is_gt(),
+                    "anchor({}, {bias:?}).cmp(&anchor({}, {bias:?}).is_gt()",
+                    offsets[ix],
+                    offsets[ix - 1],
+                );
+                assert!(
+                    prev_anchor.cmp(anchor, snapshot).is_lt(),
+                    "anchor({}, {bias:?}).cmp(&anchor({}, {bias:?}).is_lt()",
+                    offsets[ix - 1],
+                    offsets[ix],
+                );
             }
         }
     }
diff --git a/crates/multi_buffer/src/position.rs b/crates/multi_buffer/src/position.rs
index 0650875059..8a3ce78d0d 100644
--- a/crates/multi_buffer/src/position.rs
+++ b/crates/multi_buffer/src/position.rs
@@ -126,17 +126,17 @@ impl<T> Default for TypedRow<T> {
 
 impl<T> PartialOrd for TypedOffset<T> {
     fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
-        Some(self.cmp(&other))
+        Some(self.cmp(other))
     }
 }
 impl<T> PartialOrd for TypedPoint<T> {
     fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
-        Some(self.cmp(&other))
+        Some(self.cmp(other))
     }
 }
 impl<T> PartialOrd for TypedRow<T> {
     fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
-        Some(self.cmp(&other))
+        Some(self.cmp(other))
     }
 }
 
diff --git a/crates/node_runtime/src/node_runtime.rs b/crates/node_runtime/src/node_runtime.rs
index 08698a1d6c..9d41eb1562 100644
--- a/crates/node_runtime/src/node_runtime.rs
+++ b/crates/node_runtime/src/node_runtime.rs
@@ -29,6 +29,13 @@ pub struct NodeBinaryOptions {
     pub use_paths: Option<(PathBuf, PathBuf)>,
 }
 
+pub enum VersionStrategy<'a> {
+    /// Install if current version doesn't match pinned version
+    Pin(&'a str),
+    /// Install if current version is older than latest version
+    Latest(&'a str),
+}
+
 #[derive(Clone)]
 pub struct NodeRuntime(Arc<Mutex<NodeRuntimeState>>);
 
@@ -69,9 +76,8 @@ impl NodeRuntime {
         let mut state = self.0.lock().await;
 
         let options = loop {
-            match state.options.borrow().as_ref() {
-                Some(options) => break options.clone(),
-                None => {}
+            if let Some(options) = state.options.borrow().as_ref() {
+                break options.clone();
             }
             match state.options.changed().await {
                 Ok(()) => {}
@@ -190,7 +196,7 @@ impl NodeRuntime {
 
         state.instance = Some(instance.boxed_clone());
         state.last_options = Some(options);
-        return instance;
+        instance
     }
 
     pub async fn binary_path(&self) -> Result<PathBuf> {
@@ -286,7 +292,7 @@ impl NodeRuntime {
         package_name: &str,
         local_executable_path: &Path,
         local_package_directory: &Path,
-        latest_version: &str,
+        version_strategy: VersionStrategy<'_>,
     ) -> bool {
         // In the case of the local system not having the package installed,
         // or in the instances where we fail to parse package.json data,
@@ -307,11 +313,21 @@ impl NodeRuntime {
         let Some(installed_version) = Version::parse(&installed_version).log_err() else {
             return true;
         };
-        let Some(latest_version) = Version::parse(latest_version).log_err() else {
-            return true;
-        };
 
-        installed_version < latest_version
+        match version_strategy {
+            VersionStrategy::Pin(pinned_version) => {
+                let Some(pinned_version) = Version::parse(pinned_version).log_err() else {
+                    return true;
+                };
+                installed_version != pinned_version
+            }
+            VersionStrategy::Latest(latest_version) => {
+                let Some(latest_version) = Version::parse(latest_version).log_err() else {
+                    return true;
+                };
+                installed_version < latest_version
+            }
+        }
     }
 }
 
diff --git a/crates/notifications/src/notification_store.rs b/crates/notifications/src/notification_store.rs
index 0329a53cc7..af2601bd18 100644
--- a/crates/notifications/src/notification_store.rs
+++ b/crates/notifications/src/notification_store.rs
@@ -6,7 +6,7 @@ use db::smol::stream::StreamExt;
 use gpui::{App, AppContext as _, AsyncApp, Context, Entity, EventEmitter, Global, Task};
 use rpc::{Notification, TypedEnvelope, proto};
 use std::{ops::Range, sync::Arc};
-use sum_tree::{Bias, SumTree};
+use sum_tree::{Bias, Dimensions, SumTree};
 use time::OffsetDateTime;
 use util::ResultExt;
 
@@ -138,10 +138,10 @@ impl NotificationStore {
     pub fn notification_for_id(&self, id: u64) -> Option<&NotificationEntry> {
         let mut cursor = self.notifications.cursor::<NotificationId>(&());
         cursor.seek(&NotificationId(id), Bias::Left);
-        if let Some(item) = cursor.item() {
-            if item.id == id {
-                return Some(item);
-            }
+        if let Some(item) = cursor.item()
+            && item.id == id
+        {
+            return Some(item);
         }
         None
     }
@@ -229,25 +229,24 @@ impl NotificationStore {
         mut cx: AsyncApp,
     ) -> Result<()> {
         this.update(&mut cx, |this, cx| {
-            if let Some(notification) = envelope.payload.notification {
-                if let Some(rpc::Notification::ChannelMessageMention { message_id, .. }) =
+            if let Some(notification) = envelope.payload.notification
+                && let Some(rpc::Notification::ChannelMessageMention { message_id, .. }) =
                     Notification::from_proto(&notification)
-                {
-                    let fetch_message_task = this.channel_store.update(cx, |this, cx| {
-                        this.fetch_channel_messages(vec![message_id], cx)
-                    });
+            {
+                let fetch_message_task = this.channel_store.update(cx, |this, cx| {
+                    this.fetch_channel_messages(vec![message_id], cx)
+                });
 
-                    cx.spawn(async move |this, cx| {
-                        let messages = fetch_message_task.await?;
-                        this.update(cx, move |this, cx| {
-                            for message in messages {
-                                this.channel_messages.insert(message_id, message);
-                            }
-                            cx.notify();
-                        })
+                cx.spawn(async move |this, cx| {
+                    let messages = fetch_message_task.await?;
+                    this.update(cx, move |this, cx| {
+                        for message in messages {
+                            this.channel_messages.insert(message_id, message);
+                        }
+                        cx.notify();
                     })
-                    .detach_and_log_err(cx)
-                }
+                })
+                .detach_and_log_err(cx)
             }
             Ok(())
         })?
@@ -360,7 +359,9 @@ impl NotificationStore {
         is_new: bool,
         cx: &mut Context<NotificationStore>,
     ) {
-        let mut cursor = self.notifications.cursor::<(NotificationId, Count)>(&());
+        let mut cursor = self
+            .notifications
+            .cursor::<Dimensions<NotificationId, Count>>(&());
         let mut new_notifications = SumTree::default();
         let mut old_range = 0..0;
 
@@ -388,12 +389,12 @@ impl NotificationStore {
                         });
                     }
                 }
-            } else if let Some(new_notification) = &new_notification {
-                if is_new {
-                    cx.emit(NotificationEvent::NewNotification {
-                        entry: new_notification.clone(),
-                    });
-                }
+            } else if let Some(new_notification) = &new_notification
+                && is_new
+            {
+                cx.emit(NotificationEvent::NewNotification {
+                    entry: new_notification.clone(),
+                });
             }
 
             if let Some(notification) = new_notification {
diff --git a/crates/notifications/src/status_toast.rs b/crates/notifications/src/status_toast.rs
index ffd87e0b8b..7affa93f5a 100644
--- a/crates/notifications/src/status_toast.rs
+++ b/crates/notifications/src/status_toast.rs
@@ -205,7 +205,7 @@ impl Component for StatusToast {
 
         let pr_example =
             StatusToast::new("`zed/new-notification-system` created!", cx, |this, _cx| {
-                this.icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
+                this.icon(ToastIcon::new(IconName::GitBranchAlt).color(Color::Muted))
                     .action("Open Pull Request", |_, cx| {
                         cx.open_url("https://github.com/")
                     })
diff --git a/crates/ollama/src/ollama.rs b/crates/ollama/src/ollama.rs
index 62c32b4161..64cd1cc0cb 100644
--- a/crates/ollama/src/ollama.rs
+++ b/crates/ollama/src/ollama.rs
@@ -58,7 +58,7 @@ fn get_max_tokens(name: &str) -> u64 {
         "magistral" => 40000,
         "llama3.1" | "llama3.2" | "llama3.3" | "phi3" | "phi3.5" | "phi4" | "command-r"
         | "qwen3" | "gemma3" | "deepseek-coder-v2" | "deepseek-v3" | "deepseek-r1" | "yi-coder"
-        | "devstral" => 128000,
+        | "devstral" | "gpt-oss" => 128000,
         _ => DEFAULT_TOKENS,
     }
     .clamp(1, MAXIMUM_TOKENS)
diff --git a/crates/onboarding/Cargo.toml b/crates/onboarding/Cargo.toml
index c6536afecd..4157be3172 100644
--- a/crates/onboarding/Cargo.toml
+++ b/crates/onboarding/Cargo.toml
@@ -15,19 +15,28 @@ path = "src/onboarding.rs"
 default = []
 
 [dependencies]
+ai_onboarding.workspace = true
 anyhow.workspace = true
 client.workspace = true
-command_palette_hooks.workspace = true
+component.workspace = true
 db.workspace = true
+documented.workspace = true
 editor.workspace = true
-feature_flags.workspace = true
 fs.workspace = true
+fuzzy.workspace = true
+git.workspace = true
 gpui.workspace = true
+itertools.workspace = true
 language.workspace = true
+language_model.workspace = true
+menu.workspace = true
+notifications.workspace = true
+picker.workspace = true
 project.workspace = true
 schemars.workspace = true
 serde.workspace = true
 settings.workspace = true
+telemetry.workspace = true
 theme.workspace = true
 ui.workspace = true
 util.workspace = true
diff --git a/crates/onboarding/src/ai_setup_page.rs b/crates/onboarding/src/ai_setup_page.rs
new file mode 100644
index 0000000000..54c49bc72a
--- /dev/null
+++ b/crates/onboarding/src/ai_setup_page.rs
@@ -0,0 +1,431 @@
+use std::sync::Arc;
+
+use ai_onboarding::AiUpsellCard;
+use client::{Client, UserStore, zed_urls};
+use fs::Fs;
+use gpui::{
+    Action, AnyView, App, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, WeakEntity,
+    Window, prelude::*,
+};
+use itertools;
+use language_model::{LanguageModelProvider, LanguageModelProviderId, LanguageModelRegistry};
+use project::DisableAiSettings;
+use settings::{Settings, update_settings_file};
+use ui::{
+    Badge, ButtonLike, Divider, KeyBinding, Modal, ModalFooter, ModalHeader, Section, SwitchField,
+    ToggleState, prelude::*, tooltip_container,
+};
+use util::ResultExt;
+use workspace::{ModalView, Workspace};
+use zed_actions::agent::OpenSettings;
+
+const FEATURED_PROVIDERS: [&str; 4] = ["anthropic", "google", "openai", "ollama"];
+
+fn render_llm_provider_section(
+    tab_index: &mut isize,
+    workspace: WeakEntity<Workspace>,
+    disabled: bool,
+    window: &mut Window,
+    cx: &mut App,
+) -> impl IntoElement {
+    v_flex()
+        .gap_4()
+        .child(
+            v_flex()
+                .child(Label::new("Or use other LLM providers").size(LabelSize::Large))
+                .child(
+                    Label::new("Bring your API keys to use the available providers with Zed's UI for free.")
+                        .color(Color::Muted),
+                ),
+        )
+        .child(render_llm_provider_card(tab_index, workspace, disabled, window, cx))
+}
+
+fn render_privacy_card(tab_index: &mut isize, disabled: bool, cx: &mut App) -> impl IntoElement {
+    let (title, description) = if disabled {
+        (
+            "AI is disabled across Zed",
+            "Re-enable it any time in Settings.",
+        )
+    } else {
+        (
+            "Privacy is the default for Zed",
+            "Any use or storage of your data is with your explicit, single-use, opt-in consent.",
+        )
+    };
+
+    v_flex()
+        .relative()
+        .pt_2()
+        .pb_2p5()
+        .pl_3()
+        .pr_2()
+        .border_1()
+        .border_dashed()
+        .border_color(cx.theme().colors().border.opacity(0.5))
+        .bg(cx.theme().colors().surface_background.opacity(0.3))
+        .rounded_lg()
+        .overflow_hidden()
+        .child(
+            h_flex()
+                .gap_2()
+                .justify_between()
+                .child(Label::new(title))
+                .child(
+                    h_flex()
+                        .gap_1()
+                        .child(
+                            Badge::new("Privacy")
+                                .icon(IconName::ShieldCheck)
+                                .tooltip(move |_, cx| cx.new(|_| AiPrivacyTooltip::new()).into()),
+                        )
+                        .child(
+                            Button::new("learn_more", "Learn More")
+                                .style(ButtonStyle::Outlined)
+                                .label_size(LabelSize::Small)
+                                .icon(IconName::ArrowUpRight)
+                                .icon_size(IconSize::XSmall)
+                                .icon_color(Color::Muted)
+                                .on_click(|_, _, cx| {
+                                    cx.open_url(&zed_urls::ai_privacy_and_security(cx))
+                                })
+                                .tab_index({
+                                    *tab_index += 1;
+                                    *tab_index - 1
+                                }),
+                        ),
+                ),
+        )
+        .child(
+            Label::new(description)
+                .size(LabelSize::Small)
+                .color(Color::Muted),
+        )
+}
+
+fn render_llm_provider_card(
+    tab_index: &mut isize,
+    workspace: WeakEntity<Workspace>,
+    disabled: bool,
+    _: &mut Window,
+    cx: &mut App,
+) -> impl IntoElement {
+    let registry = LanguageModelRegistry::read_global(cx);
+
+    v_flex()
+        .border_1()
+        .border_color(cx.theme().colors().border)
+        .bg(cx.theme().colors().surface_background.opacity(0.5))
+        .rounded_lg()
+        .overflow_hidden()
+        .children(itertools::intersperse_with(
+            FEATURED_PROVIDERS
+                .into_iter()
+                .flat_map(|provider_name| {
+                    registry.provider(&LanguageModelProviderId::new(provider_name))
+                })
+                .enumerate()
+                .map(|(index, provider)| {
+                    let group_name = SharedString::new(format!("onboarding-hover-group-{}", index));
+                    let is_authenticated = provider.is_authenticated(cx);
+
+                    ButtonLike::new(("onboarding-ai-setup-buttons", index))
+                        .size(ButtonSize::Large)
+                        .tab_index({
+                            *tab_index += 1;
+                            *tab_index - 1
+                        })
+                        .child(
+                            h_flex()
+                                .group(&group_name)
+                                .px_0p5()
+                                .w_full()
+                                .gap_2()
+                                .justify_between()
+                                .child(
+                                    h_flex()
+                                        .gap_1()
+                                        .child(
+                                            Icon::new(provider.icon())
+                                                .color(Color::Muted)
+                                                .size(IconSize::XSmall),
+                                        )
+                                        .child(Label::new(provider.name().0)),
+                                )
+                                .child(
+                                    h_flex()
+                                        .gap_1()
+                                        .when(!is_authenticated, |el| {
+                                            el.visible_on_hover(group_name.clone())
+                                                .child(
+                                                    Icon::new(IconName::Settings)
+                                                        .color(Color::Muted)
+                                                        .size(IconSize::XSmall),
+                                                )
+                                                .child(
+                                                    Label::new("Configure")
+                                                        .color(Color::Muted)
+                                                        .size(LabelSize::Small),
+                                                )
+                                        })
+                                        .when(is_authenticated && !disabled, |el| {
+                                            el.child(
+                                                Icon::new(IconName::Check)
+                                                    .color(Color::Success)
+                                                    .size(IconSize::XSmall),
+                                            )
+                                            .child(
+                                                Label::new("Configured")
+                                                    .color(Color::Muted)
+                                                    .size(LabelSize::Small),
+                                            )
+                                        }),
+                                ),
+                        )
+                        .on_click({
+                            let workspace = workspace.clone();
+                            move |_, window, cx| {
+                                workspace
+                                    .update(cx, |workspace, cx| {
+                                        workspace.toggle_modal(window, cx, |window, cx| {
+                                            telemetry::event!(
+                                                "Welcome AI Modal Opened",
+                                                provider = provider.name().0,
+                                            );
+
+                                            let modal = AiConfigurationModal::new(
+                                                provider.clone(),
+                                                window,
+                                                cx,
+                                            );
+                                            window.focus(&modal.focus_handle(cx));
+                                            modal
+                                        });
+                                    })
+                                    .log_err();
+                            }
+                        })
+                        .into_any_element()
+                }),
+            || Divider::horizontal().into_any_element(),
+        ))
+        .child(Divider::horizontal())
+        .child(
+            Button::new("agent_settings", "Add Many Others")
+                .size(ButtonSize::Large)
+                .icon(IconName::Plus)
+                .icon_position(IconPosition::Start)
+                .icon_color(Color::Muted)
+                .icon_size(IconSize::XSmall)
+                .on_click(|_event, window, cx| {
+                    window.dispatch_action(OpenSettings.boxed_clone(), cx)
+                })
+                .tab_index({
+                    *tab_index += 1;
+                    *tab_index - 1
+                }),
+        )
+}
+
+pub(crate) fn render_ai_setup_page(
+    workspace: WeakEntity<Workspace>,
+    user_store: Entity<UserStore>,
+    client: Arc<Client>,
+    window: &mut Window,
+    cx: &mut App,
+) -> impl IntoElement {
+    let mut tab_index = 0;
+    let is_ai_disabled = DisableAiSettings::get_global(cx).disable_ai;
+
+    v_flex()
+        .gap_2()
+        .child(
+            SwitchField::new(
+                "enable_ai",
+                "Enable AI features",
+                None,
+                if is_ai_disabled {
+                    ToggleState::Unselected
+                } else {
+                    ToggleState::Selected
+                },
+                |&toggle_state, _, cx| {
+                    let enabled = match toggle_state {
+                        ToggleState::Indeterminate => {
+                            return;
+                        }
+                        ToggleState::Unselected => true,
+                        ToggleState::Selected => false,
+                    };
+
+                    telemetry::event!(
+                        "Welcome AI Enabled",
+                        toggle = if enabled { "on" } else { "off" },
+                    );
+
+                    let fs = <dyn Fs>::global(cx);
+                    update_settings_file::<DisableAiSettings>(
+                        fs,
+                        cx,
+                        move |ai_settings: &mut Option<bool>, _| {
+                            *ai_settings = Some(enabled);
+                        },
+                    );
+                },
+            )
+            .tab_index({
+                tab_index += 1;
+                tab_index - 1
+            }),
+        )
+        .child(render_privacy_card(&mut tab_index, is_ai_disabled, cx))
+        .child(
+            v_flex()
+                .mt_2()
+                .gap_6()
+                .child(
+                    AiUpsellCard::new(client, &user_store, user_store.read(cx).plan(), cx)
+                        .tab_index(Some({
+                            tab_index += 1;
+                            tab_index - 1
+                        })),
+                )
+                .child(render_llm_provider_section(
+                    &mut tab_index,
+                    workspace,
+                    is_ai_disabled,
+                    window,
+                    cx,
+                ))
+                .when(is_ai_disabled, |this| {
+                    this.child(
+                        div()
+                            .id("backdrop")
+                            .size_full()
+                            .absolute()
+                            .inset_0()
+                            .bg(cx.theme().colors().editor_background)
+                            .opacity(0.8)
+                            .block_mouse_except_scroll(),
+                    )
+                }),
+        )
+}
+
+struct AiConfigurationModal {
+    focus_handle: FocusHandle,
+    selected_provider: Arc<dyn LanguageModelProvider>,
+    configuration_view: AnyView,
+}
+
+impl AiConfigurationModal {
+    fn new(
+        selected_provider: Arc<dyn LanguageModelProvider>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let focus_handle = cx.focus_handle();
+        let configuration_view = selected_provider.configuration_view(
+            language_model::ConfigurationViewTargetAgent::ZedAgent,
+            window,
+            cx,
+        );
+
+        Self {
+            focus_handle,
+            configuration_view,
+            selected_provider,
+        }
+    }
+
+    fn cancel(&mut self, _: &menu::Cancel, cx: &mut Context<Self>) {
+        cx.emit(DismissEvent);
+    }
+}
+
+impl ModalView for AiConfigurationModal {}
+
+impl EventEmitter<DismissEvent> for AiConfigurationModal {}
+
+impl Focusable for AiConfigurationModal {
+    fn focus_handle(&self, _cx: &App) -> FocusHandle {
+        self.focus_handle.clone()
+    }
+}
+
+impl Render for AiConfigurationModal {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        v_flex()
+            .key_context("OnboardingAiConfigurationModal")
+            .w(rems(34.))
+            .elevation_3(cx)
+            .track_focus(&self.focus_handle)
+            .on_action(
+                cx.listener(|this, _: &menu::Cancel, _window, cx| this.cancel(&menu::Cancel, cx)),
+            )
+            .child(
+                Modal::new("onboarding-ai-setup-modal", None)
+                    .header(
+                        ModalHeader::new()
+                            .icon(
+                                Icon::new(self.selected_provider.icon())
+                                    .color(Color::Muted)
+                                    .size(IconSize::Small),
+                            )
+                            .headline(self.selected_provider.name().0),
+                    )
+                    .section(Section::new().child(self.configuration_view.clone()))
+                    .footer(
+                        ModalFooter::new().end_slot(
+                            Button::new("ai-onb-modal-Done", "Done")
+                                .key_binding(
+                                    KeyBinding::for_action_in(
+                                        &menu::Cancel,
+                                        &self.focus_handle.clone(),
+                                        window,
+                                        cx,
+                                    )
+                                    .map(|kb| kb.size(rems_from_px(12.))),
+                                )
+                                .on_click(cx.listener(|this, _event, _window, cx| {
+                                    this.cancel(&menu::Cancel, cx)
+                                })),
+                        ),
+                    ),
+            )
+    }
+}
+
+pub struct AiPrivacyTooltip {}
+
+impl AiPrivacyTooltip {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl Render for AiPrivacyTooltip {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        const DESCRIPTION: &str = "We believe in opt-in data sharing as the default for building AI products, rather than opt-out. We'll only use or store your data if you affirmatively send it to us. ";
+
+        tooltip_container(window, cx, move |this, _, _| {
+            this.child(
+                h_flex()
+                    .gap_1()
+                    .child(
+                        Icon::new(IconName::ShieldCheck)
+                            .size(IconSize::Small)
+                            .color(Color::Muted),
+                    )
+                    .child(Label::new("Privacy First")),
+            )
+            .child(
+                div().max_w_64().child(
+                    Label::new(DESCRIPTION)
+                        .size(LabelSize::Small)
+                        .color(Color::Muted),
+                ),
+            )
+        })
+    }
+}
diff --git a/crates/welcome/src/base_keymap_picker.rs b/crates/onboarding/src/base_keymap_picker.rs
similarity index 99%
rename from crates/welcome/src/base_keymap_picker.rs
rename to crates/onboarding/src/base_keymap_picker.rs
index 92317ca711..0ac07d9a9d 100644
--- a/crates/welcome/src/base_keymap_picker.rs
+++ b/crates/onboarding/src/base_keymap_picker.rs
@@ -12,7 +12,7 @@ use util::ResultExt;
 use workspace::{ModalView, Workspace, ui::HighlightedLabel};
 
 actions!(
-    welcome,
+    zed,
     [
         /// Toggles the base keymap selector modal.
         ToggleBaseKeymapSelector
diff --git a/crates/onboarding/src/basics_page.rs b/crates/onboarding/src/basics_page.rs
index a57e49977a..441d2ca4b7 100644
--- a/crates/onboarding/src/basics_page.rs
+++ b/crates/onboarding/src/basics_page.rs
@@ -4,78 +4,222 @@ use client::TelemetrySettings;
 use fs::Fs;
 use gpui::{App, IntoElement};
 use settings::{BaseKeymap, Settings, update_settings_file};
-use theme::{Appearance, SystemAppearance, ThemeMode, ThemeSettings};
+use theme::{
+    Appearance, SystemAppearance, ThemeMode, ThemeName, ThemeRegistry, ThemeSelection,
+    ThemeSettings,
+};
 use ui::{
-    SwitchField, ThemePreviewTile, ToggleButtonGroup, ToggleButtonSimple, ToggleButtonWithIcon,
-    prelude::*,
+    ParentElement as _, StatefulInteractiveElement, SwitchField, ToggleButtonGroup,
+    ToggleButtonSimple, ToggleButtonWithIcon, prelude::*, rems_from_px,
 };
 use vim_mode_setting::VimModeSetting;
 
-use crate::Onboarding;
+use crate::theme_preview::{ThemePreviewStyle, ThemePreviewTile};
 
-fn read_theme_selection(cx: &App) -> (ThemeMode, SharedString) {
-    let settings = ThemeSettings::get_global(cx);
-    (
-        settings
-            .theme_selection
-            .as_ref()
-            .and_then(|selection| selection.mode())
-            .unwrap_or_default(),
-        settings.active_theme.name.clone(),
-    )
+const LIGHT_THEMES: [&str; 3] = ["One Light", "Ayu Light", "Gruvbox Light"];
+const DARK_THEMES: [&str; 3] = ["One Dark", "Ayu Dark", "Gruvbox Dark"];
+const FAMILY_NAMES: [SharedString; 3] = [
+    SharedString::new_static("One"),
+    SharedString::new_static("Ayu"),
+    SharedString::new_static("Gruvbox"),
+];
+
+fn get_theme_family_themes(theme_name: &str) -> Option<(&'static str, &'static str)> {
+    for i in 0..LIGHT_THEMES.len() {
+        if LIGHT_THEMES[i] == theme_name || DARK_THEMES[i] == theme_name {
+            return Some((LIGHT_THEMES[i], DARK_THEMES[i]));
+        }
+    }
+    None
 }
 
-fn write_theme_selection(theme_mode: ThemeMode, cx: &App) {
-    let fs = <dyn Fs>::global(cx);
-
-    update_settings_file::<ThemeSettings>(fs, cx, move |settings, _| {
-        settings.set_mode(theme_mode);
+fn render_theme_section(tab_index: &mut isize, cx: &mut App) -> impl IntoElement {
+    let theme_selection = ThemeSettings::get_global(cx).theme_selection.clone();
+    let system_appearance = theme::SystemAppearance::global(cx);
+    let theme_selection = theme_selection.unwrap_or_else(|| ThemeSelection::Dynamic {
+        mode: match *system_appearance {
+            Appearance::Light => ThemeMode::Light,
+            Appearance::Dark => ThemeMode::Dark,
+        },
+        light: ThemeName("One Light".into()),
+        dark: ThemeName("One Dark".into()),
     });
-}
 
-fn write_keymap_base(keymap_base: BaseKeymap, cx: &App) {
-    let fs = <dyn Fs>::global(cx);
+    let theme_mode = theme_selection
+        .mode()
+        .unwrap_or_else(|| match *system_appearance {
+            Appearance::Light => ThemeMode::Light,
+            Appearance::Dark => ThemeMode::Dark,
+        });
 
-    update_settings_file::<BaseKeymap>(fs, cx, move |setting, _| {
-        *setting = Some(keymap_base);
-    });
-}
-
-fn render_theme_section(theme_mode: ThemeMode) -> impl IntoElement {
-    h_flex().justify_between().child(Label::new("Theme")).child(
-        ToggleButtonGroup::single_row(
-            "theme-selector-onboarding",
-            [
-                ToggleButtonSimple::new("Light", |_, _, cx| {
-                    write_theme_selection(ThemeMode::Light, cx)
-                }),
-                ToggleButtonSimple::new("Dark", |_, _, cx| {
-                    write_theme_selection(ThemeMode::Dark, cx)
-                }),
-                ToggleButtonSimple::new("System", |_, _, cx| {
-                    write_theme_selection(ThemeMode::System, cx)
-                }),
-            ],
+    return v_flex()
+        .gap_2()
+        .child(
+            h_flex().justify_between().child(Label::new("Theme")).child(
+                ToggleButtonGroup::single_row(
+                    "theme-selector-onboarding-dark-light",
+                    [ThemeMode::Light, ThemeMode::Dark, ThemeMode::System].map(|mode| {
+                        const MODE_NAMES: [SharedString; 3] = [
+                            SharedString::new_static("Light"),
+                            SharedString::new_static("Dark"),
+                            SharedString::new_static("System"),
+                        ];
+                        ToggleButtonSimple::new(
+                            MODE_NAMES[mode as usize].clone(),
+                            move |_, _, cx| {
+                                write_mode_change(mode, cx);
+                            },
+                        )
+                    }),
+                )
+                .tab_index(tab_index)
+                .selected_index(theme_mode as usize)
+                .style(ui::ToggleButtonGroupStyle::Outlined)
+                .width(rems_from_px(3. * 64.)),
+            ),
         )
-        .selected_index(match theme_mode {
-            ThemeMode::Light => 0,
-            ThemeMode::Dark => 1,
-            ThemeMode::System => 2,
+        .child(
+            h_flex()
+                .gap_4()
+                .justify_between()
+                .children(render_theme_previews(tab_index, &theme_selection, cx)),
+        );
+
+    fn render_theme_previews(
+        tab_index: &mut isize,
+        theme_selection: &ThemeSelection,
+        cx: &mut App,
+    ) -> [impl IntoElement; 3] {
+        let system_appearance = SystemAppearance::global(cx);
+        let theme_registry = ThemeRegistry::global(cx);
+
+        let theme_seed = 0xBEEF as f32;
+        let theme_mode = theme_selection
+            .mode()
+            .unwrap_or_else(|| match *system_appearance {
+                Appearance::Light => ThemeMode::Light,
+                Appearance::Dark => ThemeMode::Dark,
+            });
+        let appearance = match theme_mode {
+            ThemeMode::Light => Appearance::Light,
+            ThemeMode::Dark => Appearance::Dark,
+            ThemeMode::System => *system_appearance,
+        };
+        let current_theme_name = theme_selection.theme(appearance);
+
+        let theme_names = match appearance {
+            Appearance::Light => LIGHT_THEMES,
+            Appearance::Dark => DARK_THEMES,
+        };
+
+        let themes = theme_names.map(|theme| theme_registry.get(theme).unwrap());
+
+        [0, 1, 2].map(|index| {
+            let theme = &themes[index];
+            let is_selected = theme.name == current_theme_name;
+            let name = theme.name.clone();
+            let colors = cx.theme().colors();
+
+            v_flex()
+                .w_full()
+                .items_center()
+                .gap_1()
+                .child(
+                    h_flex()
+                        .id(name)
+                        .relative()
+                        .w_full()
+                        .border_2()
+                        .border_color(colors.border_transparent)
+                        .rounded(ThemePreviewTile::ROOT_RADIUS)
+                        .map(|this| {
+                            if is_selected {
+                                this.border_color(colors.border_selected)
+                            } else {
+                                this.opacity(0.8).hover(|s| s.border_color(colors.border))
+                            }
+                        })
+                        .tab_index({
+                            *tab_index += 1;
+                            *tab_index - 1
+                        })
+                        .focus(|mut style| {
+                            style.border_color = Some(colors.border_focused);
+                            style
+                        })
+                        .on_click({
+                            let theme_name = theme.name.clone();
+                            move |_, _, cx| {
+                                write_theme_change(theme_name.clone(), theme_mode, cx);
+                            }
+                        })
+                        .map(|this| {
+                            if theme_mode == ThemeMode::System {
+                                let (light, dark) = (
+                                    theme_registry.get(LIGHT_THEMES[index]).unwrap(),
+                                    theme_registry.get(DARK_THEMES[index]).unwrap(),
+                                );
+                                this.child(
+                                    ThemePreviewTile::new(light, theme_seed)
+                                        .style(ThemePreviewStyle::SideBySide(dark)),
+                                )
+                            } else {
+                                this.child(
+                                    ThemePreviewTile::new(theme.clone(), theme_seed)
+                                        .style(ThemePreviewStyle::Bordered),
+                                )
+                            }
+                        }),
+                )
+                .child(
+                    Label::new(FAMILY_NAMES[index].clone())
+                        .color(Color::Muted)
+                        .size(LabelSize::Small),
+                )
         })
-        .style(ui::ToggleButtonGroupStyle::Outlined)
-        .button_width(rems_from_px(64.)),
-    )
+    }
+
+    fn write_mode_change(mode: ThemeMode, cx: &mut App) {
+        let fs = <dyn Fs>::global(cx);
+        update_settings_file::<ThemeSettings>(fs, cx, move |settings, _cx| {
+            settings.set_mode(mode);
+        });
+    }
+
+    fn write_theme_change(theme: impl Into<Arc<str>>, theme_mode: ThemeMode, cx: &mut App) {
+        let fs = <dyn Fs>::global(cx);
+        let theme = theme.into();
+        update_settings_file::<ThemeSettings>(fs, cx, move |settings, cx| {
+            if theme_mode == ThemeMode::System {
+                let (light_theme, dark_theme) =
+                    get_theme_family_themes(&theme).unwrap_or((theme.as_ref(), theme.as_ref()));
+
+                settings.theme = Some(ThemeSelection::Dynamic {
+                    mode: ThemeMode::System,
+                    light: ThemeName(light_theme.into()),
+                    dark: ThemeName(dark_theme.into()),
+                });
+            } else {
+                let appearance = *SystemAppearance::global(cx);
+                settings.set_theme(theme, appearance);
+            }
+        });
+    }
 }
 
-fn render_telemetry_section(fs: Arc<dyn Fs>, cx: &App) -> impl IntoElement {
-    v_flex()
+fn render_telemetry_section(tab_index: &mut isize, cx: &App) -> impl IntoElement {
+    let fs = <dyn Fs>::global(cx);
 
+    v_flex()
+        .pt_6()
         .gap_4()
+        .border_t_1()
+        .border_color(cx.theme().colors().border_variant.opacity(0.5))
         .child(Label::new("Telemetry").size(LabelSize::Large))
         .child(SwitchField::new(
             "onboarding-telemetry-metrics",
             "Help Improve Zed",
-            "Sending anonymous usage data helps us build the right features and create the best experience.",
+            Some("Anonymous usage data helps us build the right features and improve your experience.".into()),
             if TelemetrySettings::get_global(cx).metrics {
                 ui::ToggleState::Selected
             } else {
@@ -96,11 +240,14 @@ fn render_telemetry_section(fs: Arc<dyn Fs>, cx: &App) -> impl IntoElement {
                     move |setting, _| setting.metrics = Some(enabled),
                 );
             }},
-        ))
+        ).tab_index({
+            *tab_index += 1;
+            *tab_index
+        }))
         .child(SwitchField::new(
             "onboarding-telemetry-crash-reports",
             "Help Fix Zed",
-            "Send crash reports so we can fix critical issues fast.",
+            Some("Send crash reports so we can fix critical issues fast.".into()),
             if TelemetrySettings::get_global(cx).diagnostics {
                 ui::ToggleState::Selected
             } else {
@@ -122,20 +269,13 @@ fn render_telemetry_section(fs: Arc<dyn Fs>, cx: &App) -> impl IntoElement {
                     );
                 }
             }
-        ))
+        ).tab_index({
+                    *tab_index += 1;
+                    *tab_index
+                }))
 }
 
-pub(crate) fn render_basics_page(onboarding: &Onboarding, cx: &mut App) -> impl IntoElement {
-    let (theme_mode, active_theme_name) = read_theme_selection(cx);
-    let themes = match theme_mode {
-        ThemeMode::Dark => &onboarding.dark_themes,
-        ThemeMode::Light => &onboarding.light_themes,
-        ThemeMode::System => match SystemAppearance::global(cx).0 {
-            Appearance::Light => &onboarding.light_themes,
-            Appearance::Dark => &onboarding.dark_themes,
-        },
-    };
-
+fn render_base_keymap_section(tab_index: &mut isize, cx: &mut App) -> impl IntoElement {
     let base_keymap = match BaseKeymap::get_global(cx) {
         BaseKeymap::VSCode => Some(0),
         BaseKeymap::JetBrains => Some(1),
@@ -146,81 +286,86 @@ pub(crate) fn render_basics_page(onboarding: &Onboarding, cx: &mut App) -> impl
         BaseKeymap::TextMate | BaseKeymap::None => None,
     };
 
+    return v_flex().gap_2().child(Label::new("Base Keymap")).child(
+        ToggleButtonGroup::two_rows(
+            "base_keymap_selection",
+            [
+                ToggleButtonWithIcon::new("VS Code", IconName::EditorVsCode, |_, _, cx| {
+                    write_keymap_base(BaseKeymap::VSCode, cx);
+                }),
+                ToggleButtonWithIcon::new("Jetbrains", IconName::EditorJetBrains, |_, _, cx| {
+                    write_keymap_base(BaseKeymap::JetBrains, cx);
+                }),
+                ToggleButtonWithIcon::new("Sublime Text", IconName::EditorSublime, |_, _, cx| {
+                    write_keymap_base(BaseKeymap::SublimeText, cx);
+                }),
+            ],
+            [
+                ToggleButtonWithIcon::new("Atom", IconName::EditorAtom, |_, _, cx| {
+                    write_keymap_base(BaseKeymap::Atom, cx);
+                }),
+                ToggleButtonWithIcon::new("Emacs", IconName::EditorEmacs, |_, _, cx| {
+                    write_keymap_base(BaseKeymap::Emacs, cx);
+                }),
+                ToggleButtonWithIcon::new("Cursor", IconName::EditorCursor, |_, _, cx| {
+                    write_keymap_base(BaseKeymap::Cursor, cx);
+                }),
+            ],
+        )
+        .when_some(base_keymap, |this, base_keymap| {
+            this.selected_index(base_keymap)
+        })
+        .full_width()
+        .tab_index(tab_index)
+        .size(ui::ToggleButtonGroupSize::Medium)
+        .style(ui::ToggleButtonGroupStyle::Outlined),
+    );
+
+    fn write_keymap_base(keymap_base: BaseKeymap, cx: &App) {
+        let fs = <dyn Fs>::global(cx);
+
+        update_settings_file::<BaseKeymap>(fs, cx, move |setting, _| {
+            *setting = Some(keymap_base);
+        });
+    }
+}
+
+fn render_vim_mode_switch(tab_index: &mut isize, cx: &mut App) -> impl IntoElement {
+    let toggle_state = if VimModeSetting::get_global(cx).0 {
+        ui::ToggleState::Selected
+    } else {
+        ui::ToggleState::Unselected
+    };
+    SwitchField::new(
+        "onboarding-vim-mode",
+        "Vim Mode",
+        Some("Coming from Neovim? Use our first-class implementation of Vim Mode.".into()),
+        toggle_state,
+        {
+            let fs = <dyn Fs>::global(cx);
+            move |&selection, _, cx| {
+                update_settings_file::<VimModeSetting>(fs.clone(), cx, move |setting, _| {
+                    *setting = match selection {
+                        ToggleState::Selected => Some(true),
+                        ToggleState::Unselected => Some(false),
+                        ToggleState::Indeterminate => None,
+                    }
+                });
+            }
+        },
+    )
+    .tab_index({
+        *tab_index += 1;
+        *tab_index - 1
+    })
+}
+
+pub(crate) fn render_basics_page(cx: &mut App) -> impl IntoElement {
+    let mut tab_index = 0;
     v_flex()
         .gap_6()
-        .child(render_theme_section(theme_mode))
-        .child(h_flex().children(
-            themes.iter().map(|theme| {
-                ThemePreviewTile::new(theme.clone(), active_theme_name == theme.name, 0.48)
-                .on_click({
-                    let theme_name = theme.name.clone();
-                    let fs = onboarding.fs.clone();
-                    move |_, _, cx| {
-                        let theme_name = theme_name.clone();
-                        update_settings_file::<ThemeSettings>(fs.clone(), cx, move |settings, cx| {
-                            settings.set_theme(theme_name.to_string(), SystemAppearance::global(cx).0);
-                        });
-                    }
-                })
-            })
-        ))
-        .child(
-            v_flex().gap_2().child(Label::new("Base Keymap")).child(
-                ToggleButtonGroup::two_rows(
-                    "multiple_row_test",
-                    [
-                        ToggleButtonWithIcon::new("VS Code", IconName::AiZed, |_, _, cx| {
-                            write_keymap_base(BaseKeymap::VSCode, cx);
-                        }),
-                        ToggleButtonWithIcon::new("Jetbrains", IconName::AiZed, |_, _, cx| {
-                            write_keymap_base(BaseKeymap::JetBrains, cx);
-                        }),
-                        ToggleButtonWithIcon::new("Sublime Text", IconName::AiZed, |_, _, cx| {
-                            write_keymap_base(BaseKeymap::SublimeText, cx);
-                        }),
-                    ],
-                    [
-                        ToggleButtonWithIcon::new("Atom", IconName::AiZed, |_, _, cx| {
-                            write_keymap_base(BaseKeymap::Atom, cx);
-                        }),
-                        ToggleButtonWithIcon::new("Emacs", IconName::AiZed, |_, _, cx| {
-                            write_keymap_base(BaseKeymap::Emacs, cx);
-                        }),
-                        ToggleButtonWithIcon::new("Cursor (Beta)", IconName::AiZed, |_, _, cx| {
-                            write_keymap_base(BaseKeymap::Cursor, cx);
-                        }),
-                    ],
-                )
-                .when_some(base_keymap, |this, base_keymap| this.selected_index(base_keymap))
-                .button_width(rems_from_px(230.))
-                .style(ui::ToggleButtonGroupStyle::Outlined)
-            ),
-        )
-        .child(v_flex().justify_center().child(div().h_0().child("hack").invisible()).child(SwitchField::new(
-            "onboarding-vim-mode",
-            "Vim Mode",
-            "Coming from Neovim? Zed's first-class implementation of Vim Mode has got your back.",
-            if VimModeSetting::get_global(cx).0 {
-                ui::ToggleState::Selected
-            } else {
-                ui::ToggleState::Unselected
-            },
-            {
-                let fs = onboarding.fs.clone();
-                move |selection, _, cx| {
-                    let enabled = match selection {
-                        ToggleState::Selected => true,
-                        ToggleState::Unselected => false,
-                        ToggleState::Indeterminate => { return; },
-                    };
-
-                    update_settings_file::<VimModeSetting>(
-                        fs.clone(),
-                        cx,
-                        move |setting, _| *setting = Some(enabled),
-                    );
-                }
-            },
-        )))
-        .child(render_telemetry_section(onboarding.fs.clone(), cx))
+        .child(render_theme_section(&mut tab_index, cx))
+        .child(render_base_keymap_section(&mut tab_index, cx))
+        .child(render_vim_mode_switch(&mut tab_index, cx))
+        .child(render_telemetry_section(&mut tab_index, cx))
 }
diff --git a/crates/onboarding/src/editing_page.rs b/crates/onboarding/src/editing_page.rs
index 3fb9aaf0cc..47dfd84894 100644
--- a/crates/onboarding/src/editing_page.rs
+++ b/crates/onboarding/src/editing_page.rs
@@ -1,16 +1,23 @@
+use std::sync::Arc;
+
 use editor::{EditorSettings, ShowMinimap};
 use fs::Fs;
-use gpui::{Action, App, IntoElement, Pixels, Window};
-use language::language_settings::AllLanguageSettings;
+use fuzzy::{StringMatch, StringMatchCandidate};
+use gpui::{
+    Action, AnyElement, App, Context, FontFeatures, IntoElement, Pixels, SharedString, Task, Window,
+};
+use language::language_settings::{AllLanguageSettings, FormatOnSave};
+use picker::{Picker, PickerDelegate};
 use project::project_settings::ProjectSettings;
 use settings::{Settings as _, update_settings_file};
 use theme::{FontFamilyCache, FontFamilyName, ThemeSettings};
 use ui::{
-    ButtonLike, ContextMenu, DropdownMenu, NumericStepper, SwitchField, ToggleButtonGroup,
-    ToggleButtonGroupStyle, ToggleButtonSimple, ToggleState, prelude::*,
+    ButtonLike, ListItem, ListItemSpacing, NumericStepper, PopoverMenu, SwitchField,
+    ToggleButtonGroup, ToggleButtonGroupStyle, ToggleButtonSimple, ToggleState, Tooltip,
+    prelude::*,
 };
 
-use crate::{ImportCursorSettings, ImportVsCodeSettings};
+use crate::{ImportCursorSettings, ImportVsCodeSettings, SettingsImportState};
 
 fn read_show_mini_map(cx: &App) -> ShowMinimap {
     editor::EditorSettings::get_global(cx).minimap.show
@@ -28,6 +35,11 @@ fn write_show_mini_map(show: ShowMinimap, cx: &mut App) {
     EditorSettings::override_global(curr_settings, cx);
 
     update_settings_file::<EditorSettings>(fs, cx, move |editor_settings, _| {
+        telemetry::event!(
+            "Welcome Minimap Clicked",
+            from = editor_settings.minimap.unwrap_or_default(),
+            to = show
+        );
         editor_settings.minimap.get_or_insert_default().show = Some(show);
     });
 }
@@ -64,7 +76,7 @@ fn read_git_blame(cx: &App) -> bool {
     ProjectSettings::get_global(cx).git.inline_blame_enabled()
 }
 
-fn set_git_blame(enabled: bool, cx: &mut App) {
+fn write_git_blame(enabled: bool, cx: &mut App) {
     let fs = <dyn Fs>::global(cx);
 
     let mut curr_settings = ProjectSettings::get_global(cx).clone();
@@ -88,6 +100,12 @@ fn write_ui_font_family(font: SharedString, cx: &mut App) {
     let fs = <dyn Fs>::global(cx);
 
     update_settings_file::<ThemeSettings>(fs, cx, move |theme_settings, _| {
+        telemetry::event!(
+            "Welcome Font Changed",
+            type = "ui font",
+            old = theme_settings.ui_font_family,
+            new = font
+        );
         theme_settings.ui_font_family = Some(FontFamilyName(font.into()));
     });
 }
@@ -112,11 +130,135 @@ fn write_buffer_font_family(font_family: SharedString, cx: &mut App) {
     let fs = <dyn Fs>::global(cx);
 
     update_settings_file::<ThemeSettings>(fs, cx, move |theme_settings, _| {
+        telemetry::event!(
+            "Welcome Font Changed",
+            type = "editor font",
+            old = theme_settings.buffer_font_family,
+            new = font_family
+        );
+
         theme_settings.buffer_font_family = Some(FontFamilyName(font_family.into()));
     });
 }
 
-fn render_import_settings_section() -> impl IntoElement {
+fn read_font_ligatures(cx: &App) -> bool {
+    ThemeSettings::get_global(cx)
+        .buffer_font
+        .features
+        .is_calt_enabled()
+        .unwrap_or(true)
+}
+
+fn write_font_ligatures(enabled: bool, cx: &mut App) {
+    let fs = <dyn Fs>::global(cx);
+    let bit = if enabled { 1 } else { 0 };
+
+    update_settings_file::<ThemeSettings>(fs, cx, move |theme_settings, _| {
+        let mut features = theme_settings
+            .buffer_font_features
+            .as_mut()
+            .map(|features| features.tag_value_list().to_vec())
+            .unwrap_or_default();
+
+        if let Some(calt_index) = features.iter().position(|(tag, _)| tag == "calt") {
+            features[calt_index].1 = bit;
+        } else {
+            features.push(("calt".into(), bit));
+        }
+
+        theme_settings.buffer_font_features = Some(FontFeatures(Arc::new(features)));
+    });
+}
+
+fn read_format_on_save(cx: &App) -> bool {
+    match AllLanguageSettings::get_global(cx).defaults.format_on_save {
+        FormatOnSave::On | FormatOnSave::List(_) => true,
+        FormatOnSave::Off => false,
+    }
+}
+
+fn write_format_on_save(format_on_save: bool, cx: &mut App) {
+    let fs = <dyn Fs>::global(cx);
+
+    update_settings_file::<AllLanguageSettings>(fs, cx, move |language_settings, _| {
+        language_settings.defaults.format_on_save = Some(match format_on_save {
+            true => FormatOnSave::On,
+            false => FormatOnSave::Off,
+        });
+    });
+}
+
+fn render_setting_import_button(
+    tab_index: isize,
+    label: SharedString,
+    icon_name: IconName,
+    action: &dyn Action,
+    imported: bool,
+) -> impl IntoElement {
+    let action = action.boxed_clone();
+    h_flex().w_full().child(
+        ButtonLike::new(label.clone())
+            .full_width()
+            .style(ButtonStyle::Outlined)
+            .size(ButtonSize::Large)
+            .tab_index(tab_index)
+            .child(
+                h_flex()
+                    .w_full()
+                    .justify_between()
+                    .child(
+                        h_flex()
+                            .gap_1p5()
+                            .px_1()
+                            .child(
+                                Icon::new(icon_name)
+                                    .color(Color::Muted)
+                                    .size(IconSize::XSmall),
+                            )
+                            .child(Label::new(label.clone())),
+                    )
+                    .when(imported, |this| {
+                        this.child(
+                            h_flex()
+                                .gap_1p5()
+                                .child(
+                                    Icon::new(IconName::Check)
+                                        .color(Color::Success)
+                                        .size(IconSize::XSmall),
+                                )
+                                .child(Label::new("Imported").size(LabelSize::Small)),
+                        )
+                    }),
+            )
+            .on_click(move |_, window, cx| {
+                telemetry::event!("Welcome Import Settings", import_source = label,);
+                window.dispatch_action(action.boxed_clone(), cx);
+            }),
+    )
+}
+
+fn render_import_settings_section(tab_index: &mut isize, cx: &App) -> impl IntoElement {
+    let import_state = SettingsImportState::global(cx);
+    let imports: [(SharedString, IconName, &dyn Action, bool); 2] = [
+        (
+            "VS Code".into(),
+            IconName::EditorVsCode,
+            &ImportVsCodeSettings { skip_prompt: false },
+            import_state.vscode,
+        ),
+        (
+            "Cursor".into(),
+            IconName::EditorCursor,
+            &ImportCursorSettings { skip_prompt: false },
+            import_state.cursor,
+        ),
+    ];
+
+    let [vscode, cursor] = imports.map(|(label, icon_name, action, imported)| {
+        *tab_index += 1;
+        render_setting_import_button(*tab_index - 1, label, icon_name, action, imported)
+    });
+
     v_flex()
         .gap_4()
         .child(
@@ -127,71 +269,35 @@ fn render_import_settings_section() -> impl IntoElement {
                         .color(Color::Muted),
                 ),
         )
-        .child(
-            h_flex()
-                .w_full()
-                .gap_4()
-                .child(
-                    h_flex().w_full().child(
-                        ButtonLike::new("import_vs_code")
-                            .full_width()
-                            .style(ButtonStyle::Outlined)
-                            .size(ButtonSize::Large)
-                            .child(
-                                h_flex()
-                                    .w_full()
-                                    .gap_1p5()
-                                    .px_1()
-                                    .child(
-                                        Icon::new(IconName::Sparkle)
-                                            .color(Color::Muted)
-                                            .size(IconSize::XSmall),
-                                    )
-                                    .child(Label::new("VS Code")),
-                            )
-                            .on_click(|_, window, cx| {
-                                window.dispatch_action(
-                                    ImportVsCodeSettings::default().boxed_clone(),
-                                    cx,
-                                )
-                            }),
-                    ),
-                )
-                .child(
-                    h_flex().w_full().child(
-                        ButtonLike::new("import_cursor")
-                            .full_width()
-                            .style(ButtonStyle::Outlined)
-                            .size(ButtonSize::Large)
-                            .child(
-                                h_flex()
-                                    .w_full()
-                                    .gap_1p5()
-                                    .px_1()
-                                    .child(
-                                        Icon::new(IconName::Sparkle)
-                                            .color(Color::Muted)
-                                            .size(IconSize::XSmall),
-                                    )
-                                    .child(Label::new("Cursor")),
-                            )
-                            .on_click(|_, window, cx| {
-                                window.dispatch_action(
-                                    ImportCursorSettings::default().boxed_clone(),
-                                    cx,
-                                )
-                            }),
-                    ),
-                ),
-        )
+        .child(h_flex().w_full().gap_4().child(vscode).child(cursor))
 }
 
-fn render_font_customization_section(window: &mut Window, cx: &mut App) -> impl IntoElement {
+fn render_font_customization_section(
+    tab_index: &mut isize,
+    window: &mut Window,
+    cx: &mut App,
+) -> impl IntoElement {
     let theme_settings = ThemeSettings::get_global(cx);
     let ui_font_size = theme_settings.ui_font_size(cx);
-    let font_family = theme_settings.buffer_font.family.clone();
+    let ui_font_family = theme_settings.ui_font.family.clone();
+    let buffer_font_family = theme_settings.buffer_font.family.clone();
     let buffer_font_size = theme_settings.buffer_font_size(cx);
 
+    let ui_font_picker =
+        cx.new(|cx| font_picker(ui_font_family.clone(), write_ui_font_family, window, cx));
+
+    let buffer_font_picker = cx.new(|cx| {
+        font_picker(
+            buffer_font_family.clone(),
+            write_buffer_font_family,
+            window,
+            cx,
+        )
+    });
+
+    let ui_font_handle = ui::PopoverMenuHandle::default();
+    let buffer_font_handle = ui::PopoverMenuHandle::default();
+
     h_flex()
         .w_full()
         .gap_4()
@@ -206,34 +312,39 @@ fn render_font_customization_section(window: &mut Window, cx: &mut App) -> impl
                         .justify_between()
                         .gap_2()
                         .child(
-                            DropdownMenu::new(
-                                "ui-font-family",
-                                theme_settings.ui_font.family.clone(),
-                                ContextMenu::build(window, cx, |mut menu, _, cx| {
-                                    let font_family_cache = FontFamilyCache::global(cx);
-
-                                    for font_name in font_family_cache.list_font_families(cx) {
-                                        menu = menu.custom_entry(
-                                            {
-                                                let font_name = font_name.clone();
-                                                move |_window, _cx| {
-                                                    Label::new(font_name.clone()).into_any_element()
-                                                }
-                                            },
-                                            {
-                                                let font_name = font_name.clone();
-                                                move |_window, cx| {
-                                                    write_ui_font_family(font_name.clone(), cx);
-                                                }
-                                            },
-                                        )
-                                    }
-
-                                    menu
-                                }),
-                            )
-                            .style(ui::DropdownStyle::Outlined)
-                            .full_width(true),
+                            PopoverMenu::new("ui-font-picker")
+                                .menu({
+                                    let ui_font_picker = ui_font_picker;
+                                    move |_window, _cx| Some(ui_font_picker.clone())
+                                })
+                                .trigger(
+                                    ButtonLike::new("ui-font-family-button")
+                                        .style(ButtonStyle::Outlined)
+                                        .size(ButtonSize::Medium)
+                                        .full_width()
+                                        .tab_index({
+                                            *tab_index += 1;
+                                            *tab_index - 1
+                                        })
+                                        .child(
+                                            h_flex()
+                                                .w_full()
+                                                .justify_between()
+                                                .child(Label::new(ui_font_family))
+                                                .child(
+                                                    Icon::new(IconName::ChevronUpDown)
+                                                        .color(Color::Muted)
+                                                        .size(IconSize::XSmall),
+                                                ),
+                                        ),
+                                )
+                                .full_width(true)
+                                .anchor(gpui::Corner::TopLeft)
+                                .offset(gpui::Point {
+                                    x: px(0.0),
+                                    y: px(4.0),
+                                })
+                                .with_handle(ui_font_handle),
                         )
                         .child(
                             NumericStepper::new(
@@ -246,7 +357,11 @@ fn render_font_customization_section(window: &mut Window, cx: &mut App) -> impl
                                     write_ui_font_size(ui_font_size + px(1.), cx);
                                 },
                             )
-                            .style(ui::NumericStepperStyle::Outlined),
+                            .style(ui::NumericStepperStyle::Outlined)
+                            .tab_index({
+                                *tab_index += 2;
+                                *tab_index - 2
+                            }),
                         ),
                 ),
         )
@@ -261,34 +376,39 @@ fn render_font_customization_section(window: &mut Window, cx: &mut App) -> impl
                         .justify_between()
                         .gap_2()
                         .child(
-                            DropdownMenu::new(
-                                "buffer-font-family",
-                                font_family,
-                                ContextMenu::build(window, cx, |mut menu, _, cx| {
-                                    let font_family_cache = FontFamilyCache::global(cx);
-
-                                    for font_name in font_family_cache.list_font_families(cx) {
-                                        menu = menu.custom_entry(
-                                            {
-                                                let font_name = font_name.clone();
-                                                move |_window, _cx| {
-                                                    Label::new(font_name.clone()).into_any_element()
-                                                }
-                                            },
-                                            {
-                                                let font_name = font_name.clone();
-                                                move |_window, cx| {
-                                                    write_buffer_font_family(font_name.clone(), cx);
-                                                }
-                                            },
-                                        )
-                                    }
-
-                                    menu
-                                }),
-                            )
-                            .style(ui::DropdownStyle::Outlined)
-                            .full_width(true),
+                            PopoverMenu::new("buffer-font-picker")
+                                .menu({
+                                    let buffer_font_picker = buffer_font_picker;
+                                    move |_window, _cx| Some(buffer_font_picker.clone())
+                                })
+                                .trigger(
+                                    ButtonLike::new("buffer-font-family-button")
+                                        .style(ButtonStyle::Outlined)
+                                        .size(ButtonSize::Medium)
+                                        .full_width()
+                                        .tab_index({
+                                            *tab_index += 1;
+                                            *tab_index - 1
+                                        })
+                                        .child(
+                                            h_flex()
+                                                .w_full()
+                                                .justify_between()
+                                                .child(Label::new(buffer_font_family))
+                                                .child(
+                                                    Icon::new(IconName::ChevronUpDown)
+                                                        .color(Color::Muted)
+                                                        .size(IconSize::XSmall),
+                                                ),
+                                        ),
+                                )
+                                .full_width(true)
+                                .anchor(gpui::Corner::TopLeft)
+                                .offset(gpui::Point {
+                                    x: px(0.0),
+                                    y: px(4.0),
+                                })
+                                .with_handle(buffer_font_handle),
                         )
                         .child(
                             NumericStepper::new(
@@ -301,23 +421,307 @@ fn render_font_customization_section(window: &mut Window, cx: &mut App) -> impl
                                     write_buffer_font_size(buffer_font_size + px(1.), cx);
                                 },
                             )
-                            .style(ui::NumericStepperStyle::Outlined),
+                            .style(ui::NumericStepperStyle::Outlined)
+                            .tab_index({
+                                *tab_index += 2;
+                                *tab_index - 2
+                            }),
                         ),
                 ),
         )
 }
 
-fn render_popular_settings_section(window: &mut Window, cx: &mut App) -> impl IntoElement {
+type FontPicker = Picker<FontPickerDelegate>;
+
+pub struct FontPickerDelegate {
+    fonts: Vec<SharedString>,
+    filtered_fonts: Vec<StringMatch>,
+    selected_index: usize,
+    current_font: SharedString,
+    on_font_changed: Arc<dyn Fn(SharedString, &mut App) + 'static>,
+}
+
+impl FontPickerDelegate {
+    fn new(
+        current_font: SharedString,
+        on_font_changed: impl Fn(SharedString, &mut App) + 'static,
+        cx: &mut Context<FontPicker>,
+    ) -> Self {
+        let font_family_cache = FontFamilyCache::global(cx);
+
+        let fonts: Vec<SharedString> = font_family_cache
+            .list_font_families(cx)
+            .into_iter()
+            .collect();
+
+        let selected_index = fonts
+            .iter()
+            .position(|font| *font == current_font)
+            .unwrap_or(0);
+
+        Self {
+            fonts: fonts.clone(),
+            filtered_fonts: fonts
+                .iter()
+                .enumerate()
+                .map(|(index, font)| StringMatch {
+                    candidate_id: index,
+                    string: font.to_string(),
+                    positions: Vec::new(),
+                    score: 0.0,
+                })
+                .collect(),
+            selected_index,
+            current_font,
+            on_font_changed: Arc::new(on_font_changed),
+        }
+    }
+}
+
+impl PickerDelegate for FontPickerDelegate {
+    type ListItem = AnyElement;
+
+    fn match_count(&self) -> usize {
+        self.filtered_fonts.len()
+    }
+
+    fn selected_index(&self) -> usize {
+        self.selected_index
+    }
+
+    fn set_selected_index(&mut self, ix: usize, _: &mut Window, cx: &mut Context<FontPicker>) {
+        self.selected_index = ix.min(self.filtered_fonts.len().saturating_sub(1));
+        cx.notify();
+    }
+
+    fn placeholder_text(&self, _window: &mut Window, _cx: &mut App) -> Arc<str> {
+        "Search fonts…".into()
+    }
+
+    fn update_matches(
+        &mut self,
+        query: String,
+        _window: &mut Window,
+        cx: &mut Context<FontPicker>,
+    ) -> Task<()> {
+        let fonts = self.fonts.clone();
+        let current_font = self.current_font.clone();
+
+        let matches: Vec<StringMatch> = if query.is_empty() {
+            fonts
+                .iter()
+                .enumerate()
+                .map(|(index, font)| StringMatch {
+                    candidate_id: index,
+                    string: font.to_string(),
+                    positions: Vec::new(),
+                    score: 0.0,
+                })
+                .collect()
+        } else {
+            let _candidates: Vec<StringMatchCandidate> = fonts
+                .iter()
+                .enumerate()
+                .map(|(id, font)| StringMatchCandidate::new(id, font.as_ref()))
+                .collect();
+
+            fonts
+                .iter()
+                .enumerate()
+                .filter(|(_, font)| font.to_lowercase().contains(&query.to_lowercase()))
+                .map(|(index, font)| StringMatch {
+                    candidate_id: index,
+                    string: font.to_string(),
+                    positions: Vec::new(),
+                    score: 0.0,
+                })
+                .collect()
+        };
+
+        let selected_index = if query.is_empty() {
+            fonts
+                .iter()
+                .position(|font| *font == current_font)
+                .unwrap_or(0)
+        } else {
+            matches
+                .iter()
+                .position(|m| fonts[m.candidate_id] == current_font)
+                .unwrap_or(0)
+        };
+
+        self.filtered_fonts = matches;
+        self.selected_index = selected_index;
+        cx.notify();
+
+        Task::ready(())
+    }
+
+    fn confirm(&mut self, _secondary: bool, _window: &mut Window, cx: &mut Context<FontPicker>) {
+        if let Some(font_match) = self.filtered_fonts.get(self.selected_index) {
+            let font = font_match.string.clone();
+            (self.on_font_changed)(font.into(), cx);
+        }
+    }
+
+    fn dismissed(&mut self, _window: &mut Window, _cx: &mut Context<FontPicker>) {}
+
+    fn render_match(
+        &self,
+        ix: usize,
+        selected: bool,
+        _window: &mut Window,
+        _cx: &mut Context<FontPicker>,
+    ) -> Option<Self::ListItem> {
+        let font_match = self.filtered_fonts.get(ix)?;
+
+        Some(
+            ListItem::new(ix)
+                .inset(true)
+                .spacing(ListItemSpacing::Sparse)
+                .toggle_state(selected)
+                .child(Label::new(font_match.string.clone()))
+                .into_any_element(),
+        )
+    }
+}
+
+fn font_picker(
+    current_font: SharedString,
+    on_font_changed: impl Fn(SharedString, &mut App) + 'static,
+    window: &mut Window,
+    cx: &mut Context<FontPicker>,
+) -> FontPicker {
+    let delegate = FontPickerDelegate::new(current_font, on_font_changed, cx);
+
+    Picker::uniform_list(delegate, window, cx)
+        .show_scrollbar(true)
+        .width(rems_from_px(210.))
+        .max_height(Some(rems(20.).into()))
+}
+
+fn render_popular_settings_section(
+    tab_index: &mut isize,
+    window: &mut Window,
+    cx: &mut App,
+) -> impl IntoElement {
+    const LIGATURE_TOOLTIP: &str =
+        "Font ligatures combine two characters into one. For example, turning != into ≠.";
+
     v_flex()
-        .gap_5()
-        .child(Label::new("Popular Settings").size(LabelSize::Large).mt_8())
-        .child(render_font_customization_section(window, cx))
+        .pt_6()
+        .gap_4()
+        .border_t_1()
+        .border_color(cx.theme().colors().border_variant.opacity(0.5))
+        .child(Label::new("Popular Settings").size(LabelSize::Large))
+        .child(render_font_customization_section(tab_index, window, cx))
+        .child(
+            SwitchField::new(
+                "onboarding-font-ligatures",
+                "Font Ligatures",
+                Some("Combine text characters into their associated symbols.".into()),
+                if read_font_ligatures(cx) {
+                    ui::ToggleState::Selected
+                } else {
+                    ui::ToggleState::Unselected
+                },
+                |toggle_state, _, cx| {
+                    let enabled = toggle_state == &ToggleState::Selected;
+                    telemetry::event!(
+                        "Welcome Font Ligature",
+                        options = if enabled { "on" } else { "off" },
+                    );
+
+                    write_font_ligatures(enabled, cx);
+                },
+            )
+            .tab_index({
+                *tab_index += 1;
+                *tab_index - 1
+            })
+            .tooltip(Tooltip::text(LIGATURE_TOOLTIP)),
+        )
+        .child(
+            SwitchField::new(
+                "onboarding-format-on-save",
+                "Format on Save",
+                Some("Format code automatically when saving.".into()),
+                if read_format_on_save(cx) {
+                    ui::ToggleState::Selected
+                } else {
+                    ui::ToggleState::Unselected
+                },
+                |toggle_state, _, cx| {
+                    let enabled = toggle_state == &ToggleState::Selected;
+                    telemetry::event!(
+                        "Welcome Format On Save Changed",
+                        options = if enabled { "on" } else { "off" },
+                    );
+
+                    write_format_on_save(enabled, cx);
+                },
+            )
+            .tab_index({
+                *tab_index += 1;
+                *tab_index - 1
+            }),
+        )
+        .child(
+            SwitchField::new(
+                "onboarding-enable-inlay-hints",
+                "Inlay Hints",
+                Some("See parameter names for function and method calls inline.".into()),
+                if read_inlay_hints(cx) {
+                    ui::ToggleState::Selected
+                } else {
+                    ui::ToggleState::Unselected
+                },
+                |toggle_state, _, cx| {
+                    let enabled = toggle_state == &ToggleState::Selected;
+                    telemetry::event!(
+                        "Welcome Inlay Hints Changed",
+                        options = if enabled { "on" } else { "off" },
+                    );
+
+                    write_inlay_hints(enabled, cx);
+                },
+            )
+            .tab_index({
+                *tab_index += 1;
+                *tab_index - 1
+            }),
+        )
+        .child(
+            SwitchField::new(
+                "onboarding-git-blame-switch",
+                "Inline Git Blame",
+                Some("See who committed each line on a given file.".into()),
+                if read_git_blame(cx) {
+                    ui::ToggleState::Selected
+                } else {
+                    ui::ToggleState::Unselected
+                },
+                |toggle_state, _, cx| {
+                    let enabled = toggle_state == &ToggleState::Selected;
+                    telemetry::event!(
+                        "Welcome Git Blame Changed",
+                        options = if enabled { "on" } else { "off" },
+                    );
+
+                    write_git_blame(enabled, cx);
+                },
+            )
+            .tab_index({
+                *tab_index += 1;
+                *tab_index - 1
+            }),
+        )
         .child(
             h_flex()
                 .items_start()
                 .justify_between()
                 .child(
-                    v_flex().child(Label::new("Mini Map")).child(
+                    v_flex().child(Label::new("Minimap")).child(
                         Label::new("See a high-level overview of your source code.")
                             .color(Color::Muted),
                     ),
@@ -328,7 +732,10 @@ fn render_popular_settings_section(window: &mut Window, cx: &mut App) -> impl In
                         [
                             ToggleButtonSimple::new("Auto", |_, _, cx| {
                                 write_show_mini_map(ShowMinimap::Auto, cx);
-                            }),
+                            })
+                            .tooltip(Tooltip::text(
+                                "Show the minimap if the editor's scrollbar is visible.",
+                            )),
                             ToggleButtonSimple::new("Always", |_, _, cx| {
                                 write_show_mini_map(ShowMinimap::Always, cx);
                             }),
@@ -342,41 +749,17 @@ fn render_popular_settings_section(window: &mut Window, cx: &mut App) -> impl In
                         ShowMinimap::Always => 1,
                         ShowMinimap::Never => 2,
                     })
+                    .tab_index(tab_index)
                     .style(ToggleButtonGroupStyle::Outlined)
-                    .button_width(ui::rems_from_px(64.)),
+                    .width(ui::rems_from_px(3. * 64.)),
                 ),
         )
-        .child(SwitchField::new(
-            "onboarding-enable-inlay-hints",
-            "Inlay Hints",
-            "See parameter names for function and method calls inline.",
-            if read_inlay_hints(cx) {
-                ui::ToggleState::Selected
-            } else {
-                ui::ToggleState::Unselected
-            },
-            |toggle_state, _, cx| {
-                write_inlay_hints(toggle_state == &ToggleState::Selected, cx);
-            },
-        ))
-        .child(SwitchField::new(
-            "onboarding-git-blame-switch",
-            "Git Blame",
-            "See who committed each line on a given file.",
-            if read_git_blame(cx) {
-                ui::ToggleState::Selected
-            } else {
-                ui::ToggleState::Unselected
-            },
-            |toggle_state, _, cx| {
-                set_git_blame(toggle_state == &ToggleState::Selected, cx);
-            },
-        ))
 }
 
 pub(crate) fn render_editing_page(window: &mut Window, cx: &mut App) -> impl IntoElement {
+    let mut tab_index = 0;
     v_flex()
-        .gap_4()
-        .child(render_import_settings_section())
-        .child(render_popular_settings_section(window, cx))
+        .gap_6()
+        .child(render_import_settings_section(&mut tab_index, cx))
+        .child(render_popular_settings_section(&mut tab_index, window, cx))
 }
diff --git a/crates/welcome/src/multibuffer_hint.rs b/crates/onboarding/src/multibuffer_hint.rs
similarity index 99%
rename from crates/welcome/src/multibuffer_hint.rs
rename to crates/onboarding/src/multibuffer_hint.rs
index ea64cab9df..3a20cbb6bd 100644
--- a/crates/welcome/src/multibuffer_hint.rs
+++ b/crates/onboarding/src/multibuffer_hint.rs
@@ -159,7 +159,7 @@ impl Render for MultibufferHint {
                     .child(
                         Button::new("open_docs", "Learn More")
                             .icon(IconName::ArrowUpRight)
-                            .icon_size(IconSize::XSmall)
+                            .icon_size(IconSize::Small)
                             .icon_color(Color::Muted)
                             .icon_position(IconPosition::End)
                             .on_click(move |_event, _, cx| {
diff --git a/crates/onboarding/src/onboarding.rs b/crates/onboarding/src/onboarding.rs
index 9b18119b83..873dd63201 100644
--- a/crates/onboarding/src/onboarding.rs
+++ b/crates/onboarding/src/onboarding.rs
@@ -1,38 +1,38 @@
-use crate::welcome::{ShowWelcome, WelcomePage};
-use client::{Client, UserStore};
-use command_palette_hooks::CommandPaletteFilter;
+pub use crate::welcome::ShowWelcome;
+use crate::{multibuffer_hint::MultibufferHint, welcome::WelcomePage};
+use client::{Client, UserStore, zed_urls};
 use db::kvp::KEY_VALUE_STORE;
-use feature_flags::{FeatureFlag, FeatureFlagViewExt as _};
 use fs::Fs;
 use gpui::{
     Action, AnyElement, App, AppContext, AsyncWindowContext, Context, Entity, EventEmitter,
-    FocusHandle, Focusable, IntoElement, Render, SharedString, Subscription, Task, WeakEntity,
-    Window, actions,
+    FocusHandle, Focusable, Global, IntoElement, KeyContext, Render, SharedString, Subscription,
+    Task, WeakEntity, Window, actions,
 };
+use notifications::status_toast::{StatusToast, ToastIcon};
 use schemars::JsonSchema;
 use serde::Deserialize;
 use settings::{SettingsStore, VsCodeSettingsSource};
 use std::sync::Arc;
-use theme::{Theme, ThemeRegistry};
-use ui::{Avatar, FluentBuilder, KeyBinding, Vector, VectorName, prelude::*, rems_from_px};
+use ui::{
+    Avatar, ButtonLike, FluentBuilder, Headline, KeyBinding, ParentElement as _,
+    StatefulInteractiveElement, Vector, VectorName, prelude::*, rems_from_px,
+};
 use workspace::{
     AppState, Workspace, WorkspaceId,
     dock::DockPosition,
     item::{Item, ItemEvent},
     notifications::NotifyResultExt as _,
-    open_new, with_active_or_new_workspace,
+    open_new, register_serializable_item, with_active_or_new_workspace,
 };
 
+mod ai_setup_page;
+mod base_keymap_picker;
 mod basics_page;
 mod editing_page;
+pub mod multibuffer_hint;
+mod theme_preview;
 mod welcome;
 
-pub struct OnBoardingFeatureFlag {}
-
-impl FeatureFlag for OnBoardingFeatureFlag {
-    const NAME: &'static str = "onboarding";
-}
-
 /// Imports settings from Visual Studio Code.
 #[derive(Copy, Clone, Debug, Default, PartialEq, Deserialize, JsonSchema, Action)]
 #[action(namespace = zed)]
@@ -52,6 +52,7 @@ pub struct ImportCursorSettings {
 }
 
 pub const FIRST_OPEN: &str = "first_open";
+pub const DOCS_URL: &str = "https://zed.dev/docs/";
 
 actions!(
     zed,
@@ -61,7 +62,33 @@ actions!(
     ]
 );
 
+actions!(
+    onboarding,
+    [
+        /// Activates the Basics page.
+        ActivateBasicsPage,
+        /// Activates the Editing page.
+        ActivateEditingPage,
+        /// Activates the AI Setup page.
+        ActivateAISetupPage,
+        /// Finish the onboarding process.
+        Finish,
+        /// Sign in while in the onboarding flow.
+        SignIn,
+        /// Open the user account in zed.dev while in the onboarding flow.
+        OpenAccount,
+        /// Resets the welcome screen hints to their initial state.
+        ResetHints
+    ]
+);
+
 pub fn init(cx: &mut App) {
+    cx.observe_new(|workspace: &mut Workspace, _, _cx| {
+        workspace
+            .register_action(|_workspace, _: &ResetHints, _, cx| MultibufferHint::set_count(0, cx));
+    })
+    .detach();
+
     cx.on_action(|_: &OpenOnboarding, cx| {
         with_active_or_new_workspace(cx, |workspace, window, cx| {
             workspace
@@ -75,11 +102,7 @@ pub fn init(cx: &mut App) {
                     if let Some(existing) = existing {
                         workspace.activate_item(&existing, true, true, window, cx);
                     } else {
-                        let settings_page = Onboarding::new(
-                            workspace.weak_handle(),
-                            workspace.user_store().clone(),
-                            cx,
-                        );
+                        let settings_page = Onboarding::new(workspace, cx);
                         workspace.add_item_to_active_pane(
                             Box::new(settings_page),
                             None,
@@ -125,9 +148,12 @@ pub fn init(cx: &mut App) {
             let fs = <dyn Fs>::global(cx);
             let action = *action;
 
+            let workspace = cx.weak_entity();
+
             window
                 .spawn(cx, async move |cx: &mut AsyncWindowContext| {
                     handle_import_vscode_settings(
+                        workspace,
                         VsCodeSettingsSource::VsCode,
                         action.skip_prompt,
                         fs,
@@ -142,9 +168,12 @@ pub fn init(cx: &mut App) {
             let fs = <dyn Fs>::global(cx);
             let action = *action;
 
+            let workspace = cx.weak_entity();
+
             window
                 .spawn(cx, async move |cx: &mut AsyncWindowContext| {
                     handle_import_vscode_settings(
+                        workspace,
                         VsCodeSettingsSource::Cursor,
                         action.skip_prompt,
                         fs,
@@ -157,37 +186,14 @@ pub fn init(cx: &mut App) {
     })
     .detach();
 
-    cx.observe_new::<Workspace>(|_, window, cx| {
-        let Some(window) = window else {
-            return;
-        };
+    base_keymap_picker::init(cx);
 
-        let onboarding_actions = [
-            std::any::TypeId::of::<OpenOnboarding>(),
-            std::any::TypeId::of::<ShowWelcome>(),
-        ];
-
-        CommandPaletteFilter::update_global(cx, |filter, _cx| {
-            filter.hide_action_types(&onboarding_actions);
-        });
-
-        cx.observe_flag::<OnBoardingFeatureFlag, _>(window, move |is_enabled, _, _, cx| {
-            if is_enabled {
-                CommandPaletteFilter::update_global(cx, |filter, _cx| {
-                    filter.show_action_types(onboarding_actions.iter());
-                });
-            } else {
-                CommandPaletteFilter::update_global(cx, |filter, _cx| {
-                    filter.hide_action_types(&onboarding_actions);
-                });
-            }
-        })
-        .detach();
-    })
-    .detach();
+    register_serializable_item::<Onboarding>(cx);
+    register_serializable_item::<WelcomePage>(cx);
 }
 
 pub fn show_onboarding_view(app_state: Arc<AppState>, cx: &mut App) -> Task<anyhow::Result<()>> {
+    telemetry::event!("Onboarding Page Opened");
     open_new(
         Default::default(),
         app_state,
@@ -195,8 +201,7 @@ pub fn show_onboarding_view(app_state: Arc<AppState>, cx: &mut App) -> Task<anyh
         |workspace, window, cx| {
             {
                 workspace.toggle_dock(DockPosition::Left, window, cx);
-                let onboarding_page =
-                    Onboarding::new(workspace.weak_handle(), workspace.user_store().clone(), cx);
+                let onboarding_page = Onboarding::new(workspace, cx);
                 workspace.add_item_to_center(Box::new(onboarding_page.clone()), window, cx);
 
                 window.focus(&onboarding_page.focus_handle(cx));
@@ -217,121 +222,127 @@ enum SelectedPage {
     AiSetup,
 }
 
+impl SelectedPage {
+    fn name(&self) -> &'static str {
+        match self {
+            SelectedPage::Basics => "Basics",
+            SelectedPage::Editing => "Editing",
+            SelectedPage::AiSetup => "AI Setup",
+        }
+    }
+}
+
 struct Onboarding {
     workspace: WeakEntity<Workspace>,
-    light_themes: [Arc<Theme>; 3],
-    dark_themes: [Arc<Theme>; 3],
     focus_handle: FocusHandle,
     selected_page: SelectedPage,
-    fs: Arc<dyn Fs>,
     user_store: Entity<UserStore>,
     _settings_subscription: Subscription,
 }
 
 impl Onboarding {
-    fn new(
-        workspace: WeakEntity<Workspace>,
-        user_store: Entity<UserStore>,
-        cx: &mut App,
-    ) -> Entity<Self> {
-        let theme_registry = ThemeRegistry::global(cx);
-
-        let one_dark = theme_registry
-            .get("One Dark")
-            .expect("Default themes are always present");
-        let ayu_dark = theme_registry
-            .get("Ayu Dark")
-            .expect("Default themes are always present");
-        let gruvbox_dark = theme_registry
-            .get("Gruvbox Dark")
-            .expect("Default themes are always present");
-
-        let one_light = theme_registry
-            .get("One Light")
-            .expect("Default themes are always present");
-        let ayu_light = theme_registry
-            .get("Ayu Light")
-            .expect("Default themes are always present");
-        let gruvbox_light = theme_registry
-            .get("Gruvbox Light")
-            .expect("Default themes are always present");
-
+    fn new(workspace: &Workspace, cx: &mut App) -> Entity<Self> {
         cx.new(|cx| Self {
-            workspace,
-            user_store,
+            workspace: workspace.weak_handle(),
             focus_handle: cx.focus_handle(),
-            light_themes: [one_light, ayu_light, gruvbox_light],
-            dark_themes: [one_dark, ayu_dark, gruvbox_dark],
             selected_page: SelectedPage::Basics,
-            fs: <dyn Fs>::global(cx),
+            user_store: workspace.user_store().clone(),
             _settings_subscription: cx.observe_global::<SettingsStore>(move |_, cx| cx.notify()),
         })
     }
 
-    fn render_nav_button(
+    fn set_page(
         &mut self,
         page: SelectedPage,
-        _: &mut Window,
+        clicked: Option<&'static str>,
         cx: &mut Context<Self>,
-    ) -> impl IntoElement {
-        let text = match page {
-            SelectedPage::Basics => "Basics",
-            SelectedPage::Editing => "Editing",
-            SelectedPage::AiSetup => "AI Setup",
-        };
+    ) {
+        if let Some(click) = clicked {
+            telemetry::event!(
+                "Welcome Tab Clicked",
+                from = self.selected_page.name(),
+                to = page.name(),
+                clicked = click,
+            );
+        }
 
-        let binding = match page {
-            SelectedPage::Basics => {
-                KeyBinding::new(vec![gpui::Keystroke::parse("cmd-1").unwrap()], cx)
-                    .map(|kb| kb.size(rems_from_px(12.)))
-            }
-            SelectedPage::Editing => {
-                KeyBinding::new(vec![gpui::Keystroke::parse("cmd-2").unwrap()], cx)
-                    .map(|kb| kb.size(rems_from_px(12.)))
-            }
-            SelectedPage::AiSetup => {
-                KeyBinding::new(vec![gpui::Keystroke::parse("cmd-3").unwrap()], cx)
-                    .map(|kb| kb.size(rems_from_px(12.)))
-            }
-        };
+        self.selected_page = page;
+        cx.notify();
+        cx.emit(ItemEvent::UpdateTab);
+    }
 
-        let selected = self.selected_page == page;
+    fn render_nav_buttons(
+        &mut self,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> [impl IntoElement; 3] {
+        let pages = [
+            SelectedPage::Basics,
+            SelectedPage::Editing,
+            SelectedPage::AiSetup,
+        ];
 
-        h_flex()
-            .id(text)
-            .relative()
-            .w_full()
-            .gap_2()
-            .px_2()
-            .py_0p5()
-            .justify_between()
-            .rounded_sm()
-            .when(selected, |this| {
-                this.child(
-                    div()
-                        .h_4()
-                        .w_px()
-                        .bg(cx.theme().colors().text_accent)
-                        .absolute()
-                        .left_0(),
-                )
-            })
-            .hover(|style| style.bg(cx.theme().colors().element_hover))
-            .child(Label::new(text).map(|this| {
-                if selected {
-                    this.color(Color::Default)
-                } else {
-                    this.color(Color::Muted)
-                }
-            }))
-            .child(binding)
-            .on_click(cx.listener(move |this, _, _, cx| {
-                this.selected_page = page;
-                cx.notify();
-            }))
+        let text = ["Basics", "Editing", "AI Setup"];
+
+        let actions: [&dyn Action; 3] = [
+            &ActivateBasicsPage,
+            &ActivateEditingPage,
+            &ActivateAISetupPage,
+        ];
+
+        let mut binding = actions.map(|action| {
+            KeyBinding::for_action_in(action, &self.focus_handle, window, cx)
+                .map(|kb| kb.size(rems_from_px(12.)))
+        });
+
+        pages.map(|page| {
+            let i = page as usize;
+            let selected = self.selected_page == page;
+            h_flex()
+                .id(text[i])
+                .relative()
+                .w_full()
+                .gap_2()
+                .px_2()
+                .py_0p5()
+                .justify_between()
+                .rounded_sm()
+                .when(selected, |this| {
+                    this.child(
+                        div()
+                            .h_4()
+                            .w_px()
+                            .bg(cx.theme().colors().text_accent)
+                            .absolute()
+                            .left_0(),
+                    )
+                })
+                .hover(|style| style.bg(cx.theme().colors().element_hover))
+                .child(Label::new(text[i]).map(|this| {
+                    if selected {
+                        this.color(Color::Default)
+                    } else {
+                        this.color(Color::Muted)
+                    }
+                }))
+                .child(binding[i].take().map_or(
+                    gpui::Empty.into_any_element(),
+                    IntoElement::into_any_element,
+                ))
+                .on_click(cx.listener(move |this, click_event, _, cx| {
+                    let click = match click_event {
+                        gpui::ClickEvent::Mouse(_) => "mouse",
+                        gpui::ClickEvent::Keyboard(_) => "keyboard",
+                    };
+
+                    this.set_page(page, Some(click), cx);
+                }))
+        })
     }
 
     fn render_nav(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let ai_setup_page = matches!(self.selected_page, SelectedPage::AiSetup);
+
         v_flex()
             .h_full()
             .w(rems_from_px(220.))
@@ -368,73 +379,189 @@ impl Onboarding {
                                     .border_y_1()
                                     .border_color(cx.theme().colors().border_variant.opacity(0.5))
                                     .gap_1()
-                                    .children([
-                                        self.render_nav_button(SelectedPage::Basics, window, cx)
-                                            .into_element(),
-                                        self.render_nav_button(SelectedPage::Editing, window, cx)
-                                            .into_element(),
-                                        self.render_nav_button(SelectedPage::AiSetup, window, cx)
-                                            .into_element(),
-                                    ]),
+                                    .children(self.render_nav_buttons(window, cx)),
                             )
-                            .child(Button::new("skip_all", "Skip All")),
+                            .map(|this| {
+                                let keybinding = KeyBinding::for_action_in(
+                                    &Finish,
+                                    &self.focus_handle,
+                                    window,
+                                    cx,
+                                )
+                                .map(|kb| kb.size(rems_from_px(12.)));
+
+                                if ai_setup_page {
+                                    this.child(
+                                        ButtonLike::new("start_building")
+                                            .style(ButtonStyle::Outlined)
+                                            .size(ButtonSize::Medium)
+                                            .child(
+                                                h_flex()
+                                                    .ml_1()
+                                                    .w_full()
+                                                    .justify_between()
+                                                    .child(Label::new("Start Building"))
+                                                    .children(keybinding),
+                                            )
+                                            .on_click(|_, window, cx| {
+                                                window.dispatch_action(Finish.boxed_clone(), cx);
+                                            }),
+                                    )
+                                } else {
+                                    this.child(
+                                        ButtonLike::new("skip_all")
+                                            .size(ButtonSize::Medium)
+                                            .child(
+                                                h_flex()
+                                                    .ml_1()
+                                                    .w_full()
+                                                    .justify_between()
+                                                    .child(
+                                                        Label::new("Skip All").color(Color::Muted),
+                                                    )
+                                                    .children(keybinding),
+                                            )
+                                            .on_click(|_, window, cx| {
+                                                window.dispatch_action(Finish.boxed_clone(), cx);
+                                            }),
+                                    )
+                                }
+                            }),
                     ),
             )
             .child(
                 if let Some(user) = self.user_store.read(cx).current_user() {
-                    h_flex()
-                        .gap_2()
-                        .child(Avatar::new(user.avatar_uri.clone()))
-                        .child(Label::new(user.github_login.clone()))
+                    v_flex()
+                        .gap_1()
+                        .child(
+                            h_flex()
+                                .ml_2()
+                                .gap_2()
+                                .max_w_full()
+                                .w_full()
+                                .child(Avatar::new(user.avatar_uri.clone()))
+                                .child(Label::new(user.github_login.clone()).truncate()),
+                        )
+                        .child(
+                            ButtonLike::new("open_account")
+                                .size(ButtonSize::Medium)
+                                .child(
+                                    h_flex()
+                                        .ml_1()
+                                        .w_full()
+                                        .justify_between()
+                                        .child(Label::new("Open Account"))
+                                        .children(
+                                            KeyBinding::for_action_in(
+                                                &OpenAccount,
+                                                &self.focus_handle,
+                                                window,
+                                                cx,
+                                            )
+                                            .map(|kb| kb.size(rems_from_px(12.))),
+                                        ),
+                                )
+                                .on_click(|_, window, cx| {
+                                    window.dispatch_action(OpenAccount.boxed_clone(), cx);
+                                }),
+                        )
                         .into_any_element()
                 } else {
                     Button::new("sign_in", "Sign In")
-                        .style(ButtonStyle::Outlined)
                         .full_width()
+                        .style(ButtonStyle::Outlined)
+                        .size(ButtonSize::Medium)
+                        .key_binding(
+                            KeyBinding::for_action_in(&SignIn, &self.focus_handle, window, cx)
+                                .map(|kb| kb.size(rems_from_px(12.))),
+                        )
                         .on_click(|_, window, cx| {
-                            let client = Client::global(cx);
-                            window
-                                .spawn(cx, async move |cx| {
-                                    client
-                                        .authenticate_and_connect(true, &cx)
-                                        .await
-                                        .into_response()
-                                        .notify_async_err(cx);
-                                })
-                                .detach();
+                            window.dispatch_action(SignIn.boxed_clone(), cx);
                         })
                         .into_any_element()
                 },
             )
     }
 
+    fn on_finish(_: &Finish, _: &mut Window, cx: &mut App) {
+        telemetry::event!("Welcome Skip Clicked");
+        go_to_welcome_page(cx);
+    }
+
+    fn handle_sign_in(_: &SignIn, window: &mut Window, cx: &mut App) {
+        let client = Client::global(cx);
+
+        window
+            .spawn(cx, async move |cx| {
+                client
+                    .sign_in_with_optional_connect(true, cx)
+                    .await
+                    .notify_async_err(cx);
+            })
+            .detach();
+    }
+
+    fn handle_open_account(_: &OpenAccount, _: &mut Window, cx: &mut App) {
+        cx.open_url(&zed_urls::account_url(cx))
+    }
+
     fn render_page(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
+        let client = Client::global(cx);
+
         match self.selected_page {
-            SelectedPage::Basics => {
-                crate::basics_page::render_basics_page(&self, cx).into_any_element()
-            }
+            SelectedPage::Basics => crate::basics_page::render_basics_page(cx).into_any_element(),
             SelectedPage::Editing => {
                 crate::editing_page::render_editing_page(window, cx).into_any_element()
             }
-            SelectedPage::AiSetup => self.render_ai_setup_page(window, cx).into_any_element(),
+            SelectedPage::AiSetup => crate::ai_setup_page::render_ai_setup_page(
+                self.workspace.clone(),
+                self.user_store.clone(),
+                client,
+                window,
+                cx,
+            )
+            .into_any_element(),
         }
     }
-
-    fn render_ai_setup_page(&mut self, _: &mut Window, _: &mut Context<Self>) -> impl IntoElement {
-        div().child("ai setup page")
-    }
 }
 
 impl Render for Onboarding {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         h_flex()
             .image_cache(gpui::retain_all("onboarding-page"))
-            .key_context("onboarding-page")
+            .key_context({
+                let mut ctx = KeyContext::new_with_defaults();
+                ctx.add("Onboarding");
+                ctx.add("menu");
+                ctx
+            })
+            .track_focus(&self.focus_handle)
             .size_full()
             .bg(cx.theme().colors().editor_background)
+            .on_action(Self::on_finish)
+            .on_action(Self::handle_sign_in)
+            .on_action(Self::handle_open_account)
+            .on_action(cx.listener(|this, _: &ActivateBasicsPage, _, cx| {
+                this.set_page(SelectedPage::Basics, Some("action"), cx);
+            }))
+            .on_action(cx.listener(|this, _: &ActivateEditingPage, _, cx| {
+                this.set_page(SelectedPage::Editing, Some("action"), cx);
+            }))
+            .on_action(cx.listener(|this, _: &ActivateAISetupPage, _, cx| {
+                this.set_page(SelectedPage::AiSetup, Some("action"), cx);
+            }))
+            .on_action(cx.listener(|_, _: &menu::SelectNext, window, cx| {
+                window.focus_next();
+                cx.notify();
+            }))
+            .on_action(cx.listener(|_, _: &menu::SelectPrevious, window, cx| {
+                window.focus_prev();
+                cx.notify();
+            }))
             .child(
                 h_flex()
                     .max_w(rems_from_px(1100.))
+                    .max_h(rems_from_px(850.))
                     .size_full()
                     .m_auto()
                     .py_20()
@@ -443,11 +570,15 @@ impl Render for Onboarding {
                     .gap_12()
                     .child(self.render_nav(window, cx))
                     .child(
-                        div()
+                        v_flex()
+                            .id("page-content")
+                            .size_full()
+                            .max_w_full()
+                            .min_w_0()
                             .pl_12()
                             .border_l_1()
                             .border_color(cx.theme().colors().border_variant.opacity(0.5))
-                            .size_full()
+                            .overflow_y_scroll()
                             .child(self.render_page(window, cx)),
                     ),
             )
@@ -483,11 +614,13 @@ impl Item for Onboarding {
         _: &mut Window,
         cx: &mut Context<Self>,
     ) -> Option<Entity<Self>> {
-        Some(Onboarding::new(
-            self.workspace.clone(),
-            self.user_store.clone(),
-            cx,
-        ))
+        Some(cx.new(|cx| Onboarding {
+            workspace: self.workspace.clone(),
+            user_store: self.user_store.clone(),
+            selected_page: self.selected_page,
+            focus_handle: cx.focus_handle(),
+            _settings_subscription: cx.observe_global::<SettingsStore>(move |_, cx| cx.notify()),
+        }))
     }
 
     fn to_item_events(event: &Self::Event, mut f: impl FnMut(workspace::item::ItemEvent)) {
@@ -495,7 +628,42 @@ impl Item for Onboarding {
     }
 }
 
+fn go_to_welcome_page(cx: &mut App) {
+    with_active_or_new_workspace(cx, |workspace, window, cx| {
+        let Some((onboarding_id, onboarding_idx)) = workspace
+            .active_pane()
+            .read(cx)
+            .items()
+            .enumerate()
+            .find_map(|(idx, item)| {
+                let _ = item.downcast::<Onboarding>()?;
+                Some((item.item_id(), idx))
+            })
+        else {
+            return;
+        };
+
+        workspace.active_pane().update(cx, |pane, cx| {
+            // Get the index here to get around the borrow checker
+            let idx = pane.items().enumerate().find_map(|(idx, item)| {
+                let _ = item.downcast::<WelcomePage>()?;
+                Some(idx)
+            });
+
+            if let Some(idx) = idx {
+                pane.activate_item(idx, true, true, window, cx);
+            } else {
+                let item = Box::new(WelcomePage::new(window, cx));
+                pane.add_item(item, true, true, Some(onboarding_idx), window, cx);
+            }
+
+            pane.remove_item(onboarding_id, false, false, window, cx);
+        });
+    });
+}
+
 pub async fn handle_import_vscode_settings(
+    workspace: WeakEntity<Workspace>,
     source: VsCodeSettingsSource,
     skip_prompt: bool,
     fs: Arc<dyn Fs>,
@@ -536,12 +704,200 @@ pub async fn handle_import_vscode_settings(
         }
     };
 
-    cx.update(|_, cx| {
+    let Ok(result_channel) = cx.update(|_, cx| {
         let source = vscode_settings.source;
         let path = vscode_settings.path.clone();
-        cx.global::<SettingsStore>()
+        let result_channel = cx
+            .global::<SettingsStore>()
             .import_vscode_settings(fs, vscode_settings);
         zlog::info!("Imported {source} settings from {}", path.display());
-    })
-    .ok();
+        result_channel
+    }) else {
+        return;
+    };
+
+    let result = result_channel.await;
+    workspace
+        .update_in(cx, |workspace, _, cx| match result {
+            Ok(_) => {
+                let confirmation_toast = StatusToast::new(
+                    format!("Your {} settings were successfully imported.", source),
+                    cx,
+                    |this, _| {
+                        this.icon(ToastIcon::new(IconName::Check).color(Color::Success))
+                            .dismiss_button(true)
+                    },
+                );
+                SettingsImportState::update(cx, |state, _| match source {
+                    VsCodeSettingsSource::VsCode => {
+                        state.vscode = true;
+                    }
+                    VsCodeSettingsSource::Cursor => {
+                        state.cursor = true;
+                    }
+                });
+                workspace.toggle_status_toast(confirmation_toast, cx);
+            }
+            Err(_) => {
+                let error_toast = StatusToast::new(
+                    "Failed to import settings. See log for details",
+                    cx,
+                    |this, _| {
+                        this.icon(ToastIcon::new(IconName::Close).color(Color::Error))
+                            .action("Open Log", |window, cx| {
+                                window.dispatch_action(workspace::OpenLog.boxed_clone(), cx)
+                            })
+                            .dismiss_button(true)
+                    },
+                );
+                workspace.toggle_status_toast(error_toast, cx);
+            }
+        })
+        .ok();
+}
+
+#[derive(Default, Copy, Clone)]
+pub struct SettingsImportState {
+    pub cursor: bool,
+    pub vscode: bool,
+}
+
+impl Global for SettingsImportState {}
+
+impl SettingsImportState {
+    pub fn global(cx: &App) -> Self {
+        cx.try_global().cloned().unwrap_or_default()
+    }
+    pub fn update<R>(cx: &mut App, f: impl FnOnce(&mut Self, &mut App) -> R) -> R {
+        cx.update_default_global(f)
+    }
+}
+
+impl workspace::SerializableItem for Onboarding {
+    fn serialized_item_kind() -> &'static str {
+        "OnboardingPage"
+    }
+
+    fn cleanup(
+        workspace_id: workspace::WorkspaceId,
+        alive_items: Vec<workspace::ItemId>,
+        _window: &mut Window,
+        cx: &mut App,
+    ) -> gpui::Task<gpui::Result<()>> {
+        workspace::delete_unloaded_items(
+            alive_items,
+            workspace_id,
+            "onboarding_pages",
+            &persistence::ONBOARDING_PAGES,
+            cx,
+        )
+    }
+
+    fn deserialize(
+        _project: Entity<project::Project>,
+        workspace: WeakEntity<Workspace>,
+        workspace_id: workspace::WorkspaceId,
+        item_id: workspace::ItemId,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> gpui::Task<gpui::Result<Entity<Self>>> {
+        window.spawn(cx, async move |cx| {
+            if let Some(page_number) =
+                persistence::ONBOARDING_PAGES.get_onboarding_page(item_id, workspace_id)?
+            {
+                let page = match page_number {
+                    0 => Some(SelectedPage::Basics),
+                    1 => Some(SelectedPage::Editing),
+                    2 => Some(SelectedPage::AiSetup),
+                    _ => None,
+                };
+                workspace.update(cx, |workspace, cx| {
+                    let onboarding_page = Onboarding::new(workspace, cx);
+                    if let Some(page) = page {
+                        zlog::info!("Onboarding page {page:?} loaded");
+                        onboarding_page.update(cx, |onboarding_page, cx| {
+                            onboarding_page.set_page(page, None, cx);
+                        })
+                    }
+                    onboarding_page
+                })
+            } else {
+                Err(anyhow::anyhow!("No onboarding page to deserialize"))
+            }
+        })
+    }
+
+    fn serialize(
+        &mut self,
+        workspace: &mut Workspace,
+        item_id: workspace::ItemId,
+        _closing: bool,
+        _window: &mut Window,
+        cx: &mut ui::Context<Self>,
+    ) -> Option<gpui::Task<gpui::Result<()>>> {
+        let workspace_id = workspace.database_id()?;
+        let page_number = self.selected_page as u16;
+        Some(cx.background_spawn(async move {
+            persistence::ONBOARDING_PAGES
+                .save_onboarding_page(item_id, workspace_id, page_number)
+                .await
+        }))
+    }
+
+    fn should_serialize(&self, event: &Self::Event) -> bool {
+        event == &ItemEvent::UpdateTab
+    }
+}
+
+mod persistence {
+    use db::{
+        query,
+        sqlez::{domain::Domain, thread_safe_connection::ThreadSafeConnection},
+        sqlez_macros::sql,
+    };
+    use workspace::WorkspaceDb;
+
+    pub struct OnboardingPagesDb(ThreadSafeConnection);
+
+    impl Domain for OnboardingPagesDb {
+        const NAME: &str = stringify!(OnboardingPagesDb);
+
+        const MIGRATIONS: &[&str] = &[sql!(
+                    CREATE TABLE onboarding_pages (
+                        workspace_id INTEGER,
+                        item_id INTEGER UNIQUE,
+                        page_number INTEGER,
+
+                        PRIMARY KEY(workspace_id, item_id),
+                        FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
+                        ON DELETE CASCADE
+                    ) STRICT;
+        )];
+    }
+
+    db::static_connection!(ONBOARDING_PAGES, OnboardingPagesDb, [WorkspaceDb]);
+
+    impl OnboardingPagesDb {
+        query! {
+            pub async fn save_onboarding_page(
+                item_id: workspace::ItemId,
+                workspace_id: workspace::WorkspaceId,
+                page_number: u16
+            ) -> Result<()> {
+                INSERT OR REPLACE INTO onboarding_pages(item_id, workspace_id, page_number)
+                VALUES (?, ?, ?)
+            }
+        }
+
+        query! {
+            pub fn get_onboarding_page(
+                item_id: workspace::ItemId,
+                workspace_id: workspace::WorkspaceId
+            ) -> Result<Option<u16>> {
+                SELECT page_number
+                FROM onboarding_pages
+                WHERE item_id = ? AND workspace_id = ?
+            }
+        }
+    }
 }
diff --git a/crates/onboarding/src/theme_preview.rs b/crates/onboarding/src/theme_preview.rs
new file mode 100644
index 0000000000..8bd65d8a27
--- /dev/null
+++ b/crates/onboarding/src/theme_preview.rs
@@ -0,0 +1,381 @@
+#![allow(unused, dead_code)]
+use gpui::{Hsla, Length};
+use std::{
+    cell::LazyCell,
+    sync::{Arc, LazyLock, OnceLock},
+};
+use theme::{Theme, ThemeColors, ThemeRegistry};
+use ui::{
+    IntoElement, RenderOnce, component_prelude::Documented, prelude::*, utils::inner_corner_radius,
+};
+
+#[derive(Clone, PartialEq)]
+pub enum ThemePreviewStyle {
+    Bordered,
+    Borderless,
+    SideBySide(Arc<Theme>),
+}
+
+/// Shows a preview of a theme as an abstract illustration
+/// of a thumbnail-sized editor.
+#[derive(IntoElement, RegisterComponent, Documented)]
+pub struct ThemePreviewTile {
+    theme: Arc<Theme>,
+    seed: f32,
+    style: ThemePreviewStyle,
+}
+
+static CHILD_RADIUS: LazyLock<Pixels> = LazyLock::new(|| {
+    inner_corner_radius(
+        ThemePreviewTile::ROOT_RADIUS,
+        ThemePreviewTile::ROOT_BORDER,
+        ThemePreviewTile::ROOT_PADDING,
+        ThemePreviewTile::CHILD_BORDER,
+    )
+});
+
+impl ThemePreviewTile {
+    pub const SKELETON_HEIGHT_DEFAULT: Pixels = px(2.);
+    pub const SIDEBAR_SKELETON_ITEM_COUNT: usize = 8;
+    pub const SIDEBAR_WIDTH_DEFAULT: DefiniteLength = relative(0.25);
+    pub const ROOT_RADIUS: Pixels = px(8.0);
+    pub const ROOT_BORDER: Pixels = px(2.0);
+    pub const ROOT_PADDING: Pixels = px(2.0);
+    pub const CHILD_BORDER: Pixels = px(1.0);
+
+    pub fn new(theme: Arc<Theme>, seed: f32) -> Self {
+        Self {
+            theme,
+            seed,
+            style: ThemePreviewStyle::Bordered,
+        }
+    }
+
+    pub fn style(mut self, style: ThemePreviewStyle) -> Self {
+        self.style = style;
+        self
+    }
+
+    pub fn item_skeleton(w: Length, h: Length, bg: Hsla) -> impl IntoElement {
+        div().w(w).h(h).rounded_full().bg(bg)
+    }
+
+    pub fn render_sidebar_skeleton_items(
+        seed: f32,
+        colors: &ThemeColors,
+        skeleton_height: impl Into<Length> + Clone,
+    ) -> [impl IntoElement; Self::SIDEBAR_SKELETON_ITEM_COUNT] {
+        let skeleton_height = skeleton_height.into();
+        std::array::from_fn(|index| {
+            let width = {
+                let value = (seed * 1000.0 + index as f32 * 10.0).sin() * 0.5 + 0.5;
+                0.5 + value * 0.45
+            };
+            Self::item_skeleton(
+                relative(width).into(),
+                skeleton_height,
+                colors.text.alpha(0.45),
+            )
+        })
+    }
+
+    pub fn render_pseudo_code_skeleton(
+        seed: f32,
+        theme: Arc<Theme>,
+        skeleton_height: impl Into<Length>,
+    ) -> impl IntoElement {
+        let colors = theme.colors();
+        let syntax = theme.syntax();
+
+        let keyword_color = syntax.get("keyword").color;
+        let function_color = syntax.get("function").color;
+        let string_color = syntax.get("string").color;
+        let comment_color = syntax.get("comment").color;
+        let variable_color = syntax.get("variable").color;
+        let type_color = syntax.get("type").color;
+        let punctuation_color = syntax.get("punctuation").color;
+
+        let syntax_colors = [
+            keyword_color,
+            function_color,
+            string_color,
+            variable_color,
+            type_color,
+            punctuation_color,
+            comment_color,
+        ];
+
+        let skeleton_height = skeleton_height.into();
+
+        let line_width = |line_idx: usize, block_idx: usize| -> f32 {
+            let val =
+                (seed * 100.0 + line_idx as f32 * 20.0 + block_idx as f32 * 5.0).sin() * 0.5 + 0.5;
+            0.05 + val * 0.2
+        };
+
+        let indentation = |line_idx: usize| -> f32 {
+            let step = line_idx % 6;
+            if step < 3 {
+                step as f32 * 0.1
+            } else {
+                (5 - step) as f32 * 0.1
+            }
+        };
+
+        let pick_color = |line_idx: usize, block_idx: usize| -> Hsla {
+            let idx = ((seed * 10.0 + line_idx as f32 * 7.0 + block_idx as f32 * 3.0).sin() * 3.5)
+                .abs() as usize
+                % syntax_colors.len();
+            syntax_colors[idx].unwrap_or(colors.text)
+        };
+
+        let line_count = 13;
+
+        let lines = (0..line_count)
+            .map(|line_idx| {
+                let block_count = (((seed * 30.0 + line_idx as f32 * 12.0).sin() * 0.5 + 0.5) * 3.0)
+                    .round() as usize
+                    + 2;
+
+                let indent = indentation(line_idx);
+
+                let blocks = (0..block_count)
+                    .map(|block_idx| {
+                        let width = line_width(line_idx, block_idx);
+                        let color = pick_color(line_idx, block_idx);
+                        Self::item_skeleton(relative(width).into(), skeleton_height, color)
+                    })
+                    .collect::<Vec<_>>();
+
+                h_flex().gap(px(2.)).ml(relative(indent)).children(blocks)
+            })
+            .collect::<Vec<_>>();
+
+        v_flex().size_full().p_1().gap_1p5().children(lines)
+    }
+
+    pub fn render_sidebar(
+        seed: f32,
+        colors: &ThemeColors,
+        width: impl Into<Length> + Clone,
+        skeleton_height: impl Into<Length>,
+    ) -> impl IntoElement {
+        div()
+            .h_full()
+            .w(width)
+            .border_r(px(1.))
+            .border_color(colors.border_transparent)
+            .bg(colors.panel_background)
+            .child(v_flex().p_2().size_full().gap_1().children(
+                Self::render_sidebar_skeleton_items(seed, colors, skeleton_height.into()),
+            ))
+    }
+
+    pub fn render_pane(
+        seed: f32,
+        theme: Arc<Theme>,
+        skeleton_height: impl Into<Length>,
+    ) -> impl IntoElement {
+        v_flex().h_full().flex_grow().child(
+            div()
+                .size_full()
+                .overflow_hidden()
+                .bg(theme.colors().editor_background)
+                .p_2()
+                .child(Self::render_pseudo_code_skeleton(
+                    seed,
+                    theme,
+                    skeleton_height.into(),
+                )),
+        )
+    }
+
+    pub fn render_editor(
+        seed: f32,
+        theme: Arc<Theme>,
+        sidebar_width: impl Into<Length> + Clone,
+        skeleton_height: impl Into<Length> + Clone,
+    ) -> impl IntoElement {
+        div()
+            .size_full()
+            .flex()
+            .bg(theme.colors().background.alpha(1.00))
+            .child(Self::render_sidebar(
+                seed,
+                theme.colors(),
+                sidebar_width,
+                skeleton_height.clone(),
+            ))
+            .child(Self::render_pane(seed, theme, skeleton_height))
+    }
+
+    fn render_borderless(seed: f32, theme: Arc<Theme>) -> impl IntoElement {
+        Self::render_editor(
+            seed,
+            theme,
+            Self::SIDEBAR_WIDTH_DEFAULT,
+            Self::SKELETON_HEIGHT_DEFAULT,
+        )
+    }
+
+    fn render_border(seed: f32, theme: Arc<Theme>) -> impl IntoElement {
+        div()
+            .size_full()
+            .p(Self::ROOT_PADDING)
+            .rounded(Self::ROOT_RADIUS)
+            .child(
+                div()
+                    .size_full()
+                    .rounded(*CHILD_RADIUS)
+                    .border(Self::CHILD_BORDER)
+                    .border_color(theme.colors().border)
+                    .child(Self::render_editor(
+                        seed,
+                        theme.clone(),
+                        Self::SIDEBAR_WIDTH_DEFAULT,
+                        Self::SKELETON_HEIGHT_DEFAULT,
+                    )),
+            )
+    }
+
+    fn render_side_by_side(
+        seed: f32,
+        theme: Arc<Theme>,
+        other_theme: Arc<Theme>,
+        border_color: Hsla,
+    ) -> impl IntoElement {
+        let sidebar_width = relative(0.20);
+
+        div()
+            .size_full()
+            .p(Self::ROOT_PADDING)
+            .rounded(Self::ROOT_RADIUS)
+            .child(
+                h_flex()
+                    .size_full()
+                    .relative()
+                    .rounded(*CHILD_RADIUS)
+                    .border(Self::CHILD_BORDER)
+                    .border_color(border_color)
+                    .overflow_hidden()
+                    .child(div().size_full().child(Self::render_editor(
+                        seed,
+                        theme,
+                        sidebar_width,
+                        Self::SKELETON_HEIGHT_DEFAULT,
+                    )))
+                    .child(
+                        div()
+                            .size_full()
+                            .absolute()
+                            .left_1_2()
+                            .bg(other_theme.colors().editor_background)
+                            .child(Self::render_editor(
+                                seed,
+                                other_theme,
+                                sidebar_width,
+                                Self::SKELETON_HEIGHT_DEFAULT,
+                            )),
+                    ),
+            )
+            .into_any_element()
+    }
+}
+
+impl RenderOnce for ThemePreviewTile {
+    fn render(self, _window: &mut ui::Window, _cx: &mut ui::App) -> impl IntoElement {
+        match self.style {
+            ThemePreviewStyle::Bordered => {
+                Self::render_border(self.seed, self.theme).into_any_element()
+            }
+            ThemePreviewStyle::Borderless => {
+                Self::render_borderless(self.seed, self.theme).into_any_element()
+            }
+            ThemePreviewStyle::SideBySide(other_theme) => Self::render_side_by_side(
+                self.seed,
+                self.theme,
+                other_theme,
+                _cx.theme().colors().border,
+            )
+            .into_any_element(),
+        }
+    }
+}
+
+impl Component for ThemePreviewTile {
+    fn scope() -> ComponentScope {
+        ComponentScope::Onboarding
+    }
+
+    fn name() -> &'static str {
+        "Theme Preview Tile"
+    }
+
+    fn sort_name() -> &'static str {
+        "Theme Preview Tile"
+    }
+
+    fn description() -> Option<&'static str> {
+        Some(Self::DOCS)
+    }
+
+    fn preview(_window: &mut Window, cx: &mut App) -> Option<AnyElement> {
+        let theme_registry = ThemeRegistry::global(cx);
+
+        let one_dark = theme_registry.get("One Dark");
+        let one_light = theme_registry.get("One Light");
+        let gruvbox_dark = theme_registry.get("Gruvbox Dark");
+        let gruvbox_light = theme_registry.get("Gruvbox Light");
+
+        let themes_to_preview = vec![
+            one_dark.clone().ok(),
+            one_light.ok(),
+            gruvbox_dark.ok(),
+            gruvbox_light.ok(),
+        ]
+        .into_iter()
+        .flatten()
+        .collect::<Vec<_>>();
+
+        Some(
+            v_flex()
+                .gap_6()
+                .p_4()
+                .children({
+                    if let Some(one_dark) = one_dark.ok() {
+                        vec![example_group(vec![single_example(
+                            "Default",
+                            div()
+                                .w(px(240.))
+                                .h(px(180.))
+                                .child(ThemePreviewTile::new(one_dark, 0.42))
+                                .into_any_element(),
+                        )])]
+                    } else {
+                        vec![]
+                    }
+                })
+                .child(
+                    example_group(vec![single_example(
+                        "Default Themes",
+                        h_flex()
+                            .gap_4()
+                            .children(
+                                themes_to_preview
+                                    .into_iter()
+                                    .map(|theme| {
+                                        div()
+                                            .w(px(200.))
+                                            .h(px(140.))
+                                            .child(ThemePreviewTile::new(theme, 0.42))
+                                    })
+                                    .collect::<Vec<_>>(),
+                            )
+                            .into_any_element(),
+                    )])
+                    .grow(),
+                )
+                .into_any_element(),
+        )
+    }
+}
diff --git a/crates/onboarding/src/welcome.rs b/crates/onboarding/src/welcome.rs
index 9e524a5e8a..8ff55d812b 100644
--- a/crates/onboarding/src/welcome.rs
+++ b/crates/onboarding/src/welcome.rs
@@ -1,14 +1,18 @@
 use gpui::{
     Action, App, Context, Entity, EventEmitter, FocusHandle, Focusable, InteractiveElement,
-    NoAction, ParentElement, Render, Styled, Window, actions,
+    ParentElement, Render, Styled, Task, Window, actions,
 };
+use menu::{SelectNext, SelectPrevious};
 use ui::{ButtonLike, Divider, DividerColor, KeyBinding, Vector, VectorName, prelude::*};
 use workspace::{
-    NewFile, Open, Workspace, WorkspaceId,
+    NewFile, Open, WorkspaceId,
     item::{Item, ItemEvent},
+    with_active_or_new_workspace,
 };
 use zed_actions::{Extensions, OpenSettings, agent, command_palette};
 
+use crate::{Onboarding, OpenOnboarding};
+
 actions!(
     zed,
     [
@@ -33,9 +37,8 @@ const CONTENT: (Section<4>, Section<3>) = (
             },
             SectionEntry {
                 icon: IconName::CloudDownload,
-                title: "Clone a Repo",
-                // TODO: use proper action
-                action: &NoAction,
+                title: "Clone Repository",
+                action: &git::Clone,
             },
             SectionEntry {
                 icon: IconName::ListCollapse,
@@ -84,24 +87,24 @@ impl<const COLS: usize> Section<COLS> {
     ) -> impl IntoElement {
         v_flex()
             .min_w_full()
-            .gap_2()
             .child(
                 h_flex()
                     .px_1()
-                    .gap_4()
+                    .mb_2()
+                    .gap_2()
                     .child(
                         Label::new(self.title.to_ascii_uppercase())
                             .buffer_font(cx)
                             .color(Color::Muted)
                             .size(LabelSize::XSmall),
                     )
-                    .child(Divider::horizontal().color(DividerColor::Border)),
+                    .child(Divider::horizontal().color(DividerColor::BorderVariant)),
             )
             .children(
                 self.entries
                     .iter()
                     .enumerate()
-                    .map(|(index, entry)| entry.render(index_offset + index, &focus, window, cx)),
+                    .map(|(index, entry)| entry.render(index_offset + index, focus, window, cx)),
             )
     }
 }
@@ -121,11 +124,12 @@ impl SectionEntry {
         cx: &App,
     ) -> impl IntoElement {
         ButtonLike::new(("onboarding-button-id", button_index))
+            .tab_index(button_index as isize)
             .full_width()
+            .size(ButtonSize::Medium)
             .child(
                 h_flex()
                     .w_full()
-                    .gap_1()
                     .justify_between()
                     .child(
                         h_flex()
@@ -137,7 +141,10 @@ impl SectionEntry {
                             )
                             .child(Label::new(self.title)),
                     )
-                    .children(KeyBinding::for_action_in(self.action, focus, window, cx)),
+                    .children(
+                        KeyBinding::for_action_in(self.action, focus, window, cx)
+                            .map(|s| s.size(rems_from_px(12.))),
+                    ),
             )
             .on_click(|_, window, cx| window.dispatch_action(self.action.boxed_clone(), cx))
     }
@@ -147,10 +154,23 @@ pub struct WelcomePage {
     focus_handle: FocusHandle,
 }
 
+impl WelcomePage {
+    fn select_next(&mut self, _: &SelectNext, window: &mut Window, cx: &mut Context<Self>) {
+        window.focus_next();
+        cx.notify();
+    }
+
+    fn select_previous(&mut self, _: &SelectPrevious, window: &mut Window, cx: &mut Context<Self>) {
+        window.focus_prev();
+        cx.notify();
+    }
+}
+
 impl Render for WelcomePage {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let (first_section, second_entries) = CONTENT;
+        let (first_section, second_section) = CONTENT;
         let first_section_entries = first_section.entries.len();
+        let last_index = first_section_entries + second_section.entries.len();
 
         h_flex()
             .size_full()
@@ -159,6 +179,8 @@ impl Render for WelcomePage {
             .bg(cx.theme().colors().editor_background)
             .key_context("Welcome")
             .track_focus(&self.focus_handle(cx))
+            .on_action(cx.listener(Self::select_previous))
+            .on_action(cx.listener(Self::select_next))
             .child(
                 h_flex()
                     .px_12()
@@ -188,15 +210,15 @@ impl Render for WelcomePage {
                             )
                             .child(
                                 v_flex()
-                                    .mt_12()
-                                    .gap_8()
+                                    .mt_10()
+                                    .gap_6()
                                     .child(first_section.render(
                                         Default::default(),
                                         &self.focus_handle,
                                         window,
                                         cx,
                                     ))
-                                    .child(second_entries.render(
+                                    .child(second_section.render(
                                         first_section_entries,
                                         &self.focus_handle,
                                         window,
@@ -210,15 +232,71 @@ impl Render for WelcomePage {
                                             // We call this a hack
                                             .rounded_b_xs()
                                             .border_t_1()
-                                            .border_color(DividerColor::Border.hsla(cx))
+                                            .border_color(cx.theme().colors().border.opacity(0.6))
                                             .border_dashed()
                                             .child(
-                                                div().child(
                                                     Button::new("welcome-exit", "Return to Setup")
+                                                        .tab_index(last_index as isize)
                                                         .full_width()
-                                                        .label_size(LabelSize::XSmall),
+                                                        .label_size(LabelSize::XSmall)
+                                                        .on_click(|_, window, cx| {
+                                                            window.dispatch_action(
+                                                                OpenOnboarding.boxed_clone(),
+                                                                cx,
+                                                            );
+
+                                                            with_active_or_new_workspace(cx, |workspace, window, cx| {
+                                                                let Some((welcome_id, welcome_idx)) = workspace
+                                                                    .active_pane()
+                                                                    .read(cx)
+                                                                    .items()
+                                                                    .enumerate()
+                                                                    .find_map(|(idx, item)| {
+                                                                        let _ = item.downcast::<WelcomePage>()?;
+                                                                        Some((item.item_id(), idx))
+                                                                    })
+                                                                else {
+                                                                    return;
+                                                                };
+
+                                                                workspace.active_pane().update(cx, |pane, cx| {
+                                                                    // Get the index here to get around the borrow checker
+                                                                    let idx = pane.items().enumerate().find_map(
+                                                                        |(idx, item)| {
+                                                                            let _ =
+                                                                                item.downcast::<Onboarding>()?;
+                                                                            Some(idx)
+                                                                        },
+                                                                    );
+
+                                                                    if let Some(idx) = idx {
+                                                                        pane.activate_item(
+                                                                            idx, true, true, window, cx,
+                                                                        );
+                                                                    } else {
+                                                                        let item =
+                                                                            Box::new(Onboarding::new(workspace, cx));
+                                                                        pane.add_item(
+                                                                            item,
+                                                                            true,
+                                                                            true,
+                                                                            Some(welcome_idx),
+                                                                            window,
+                                                                            cx,
+                                                                        );
+                                                                    }
+
+                                                                    pane.remove_item(
+                                                                        welcome_id,
+                                                                        false,
+                                                                        false,
+                                                                        window,
+                                                                        cx,
+                                                                    );
+                                                                });
+                                                            });
+                                                        }),
                                                 ),
-                                            ),
                                     ),
                             ),
                     ),
@@ -227,7 +305,7 @@ impl Render for WelcomePage {
 }
 
 impl WelcomePage {
-    pub fn new(window: &mut Window, cx: &mut Context<Workspace>) -> Entity<Self> {
+    pub fn new(window: &mut Window, cx: &mut App) -> Entity<Self> {
         cx.new(|cx| {
             let focus_handle = cx.focus_handle();
             cx.on_focus(&focus_handle, window, |_, _, cx| cx.notify())
@@ -274,3 +352,116 @@ impl Item for WelcomePage {
         f(*event)
     }
 }
+
+impl workspace::SerializableItem for WelcomePage {
+    fn serialized_item_kind() -> &'static str {
+        "WelcomePage"
+    }
+
+    fn cleanup(
+        workspace_id: workspace::WorkspaceId,
+        alive_items: Vec<workspace::ItemId>,
+        _window: &mut Window,
+        cx: &mut App,
+    ) -> Task<gpui::Result<()>> {
+        workspace::delete_unloaded_items(
+            alive_items,
+            workspace_id,
+            "welcome_pages",
+            &persistence::WELCOME_PAGES,
+            cx,
+        )
+    }
+
+    fn deserialize(
+        _project: Entity<project::Project>,
+        _workspace: gpui::WeakEntity<workspace::Workspace>,
+        workspace_id: workspace::WorkspaceId,
+        item_id: workspace::ItemId,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> Task<gpui::Result<Entity<Self>>> {
+        if persistence::WELCOME_PAGES
+            .get_welcome_page(item_id, workspace_id)
+            .ok()
+            .is_some_and(|is_open| is_open)
+        {
+            window.spawn(cx, async move |cx| cx.update(WelcomePage::new))
+        } else {
+            Task::ready(Err(anyhow::anyhow!("No welcome page to deserialize")))
+        }
+    }
+
+    fn serialize(
+        &mut self,
+        workspace: &mut workspace::Workspace,
+        item_id: workspace::ItemId,
+        _closing: bool,
+        _window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Option<Task<gpui::Result<()>>> {
+        let workspace_id = workspace.database_id()?;
+        Some(cx.background_spawn(async move {
+            persistence::WELCOME_PAGES
+                .save_welcome_page(item_id, workspace_id, true)
+                .await
+        }))
+    }
+
+    fn should_serialize(&self, event: &Self::Event) -> bool {
+        event == &ItemEvent::UpdateTab
+    }
+}
+
+mod persistence {
+    use db::{
+        query,
+        sqlez::{domain::Domain, thread_safe_connection::ThreadSafeConnection},
+        sqlez_macros::sql,
+    };
+    use workspace::WorkspaceDb;
+
+    pub struct WelcomePagesDb(ThreadSafeConnection);
+
+    impl Domain for WelcomePagesDb {
+        const NAME: &str = stringify!(WelcomePagesDb);
+
+        const MIGRATIONS: &[&str] = (&[sql!(
+                    CREATE TABLE welcome_pages (
+                        workspace_id INTEGER,
+                        item_id INTEGER UNIQUE,
+                        is_open INTEGER DEFAULT FALSE,
+
+                        PRIMARY KEY(workspace_id, item_id),
+                        FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
+                        ON DELETE CASCADE
+                    ) STRICT;
+        )]);
+    }
+
+    db::static_connection!(WELCOME_PAGES, WelcomePagesDb, [WorkspaceDb]);
+
+    impl WelcomePagesDb {
+        query! {
+            pub async fn save_welcome_page(
+                item_id: workspace::ItemId,
+                workspace_id: workspace::WorkspaceId,
+                is_open: bool
+            ) -> Result<()> {
+                INSERT OR REPLACE INTO welcome_pages(item_id, workspace_id, is_open)
+                VALUES (?, ?, ?)
+            }
+        }
+
+        query! {
+            pub fn get_welcome_page(
+                item_id: workspace::ItemId,
+                workspace_id: workspace::WorkspaceId
+            ) -> Result<bool> {
+                SELECT is_open
+                FROM welcome_pages
+                WHERE item_id = ? AND workspace_id = ?
+            }
+        }
+    }
+}
diff --git a/crates/open_ai/Cargo.toml b/crates/open_ai/Cargo.toml
index 2d40cd2735..bae00f0a8e 100644
--- a/crates/open_ai/Cargo.toml
+++ b/crates/open_ai/Cargo.toml
@@ -20,6 +20,7 @@ anyhow.workspace = true
 futures.workspace = true
 http_client.workspace = true
 schemars = { workspace = true, optional = true }
+log.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 strum.workspace = true
diff --git a/crates/open_ai/src/open_ai.rs b/crates/open_ai/src/open_ai.rs
index 12a5cf52d2..08be82b830 100644
--- a/crates/open_ai/src/open_ai.rs
+++ b/crates/open_ai/src/open_ai.rs
@@ -9,7 +9,7 @@ use strum::EnumIter;
 pub const OPEN_AI_API_URL: &str = "https://api.openai.com/v1";
 
 fn is_none_or_empty<T: AsRef<[U]>, U>(opt: &Option<T>) -> bool {
-    opt.as_ref().map_or(true, |v| v.as_ref().is_empty())
+    opt.as_ref().is_none_or(|v| v.as_ref().is_empty())
 }
 
 #[derive(Clone, Copy, Serialize, Deserialize, Debug, Eq, PartialEq)]
@@ -74,6 +74,12 @@ pub enum Model {
     O3,
     #[serde(rename = "o4-mini")]
     O4Mini,
+    #[serde(rename = "gpt-5")]
+    Five,
+    #[serde(rename = "gpt-5-mini")]
+    FiveMini,
+    #[serde(rename = "gpt-5-nano")]
+    FiveNano,
 
     #[serde(rename = "custom")]
     Custom {
@@ -83,11 +89,13 @@ pub enum Model {
         max_tokens: u64,
         max_output_tokens: Option<u64>,
         max_completion_tokens: Option<u64>,
+        reasoning_effort: Option<ReasoningEffort>,
     },
 }
 
 impl Model {
     pub fn default_fast() -> Self {
+        // TODO: Replace with FiveMini since all other models are deprecated
         Self::FourPointOneMini
     }
 
@@ -105,6 +113,9 @@ impl Model {
             "o3-mini" => Ok(Self::O3Mini),
             "o3" => Ok(Self::O3),
             "o4-mini" => Ok(Self::O4Mini),
+            "gpt-5" => Ok(Self::Five),
+            "gpt-5-mini" => Ok(Self::FiveMini),
+            "gpt-5-nano" => Ok(Self::FiveNano),
             invalid_id => anyhow::bail!("invalid model id '{invalid_id}'"),
         }
     }
@@ -123,6 +134,9 @@ impl Model {
             Self::O3Mini => "o3-mini",
             Self::O3 => "o3",
             Self::O4Mini => "o4-mini",
+            Self::Five => "gpt-5",
+            Self::FiveMini => "gpt-5-mini",
+            Self::FiveNano => "gpt-5-nano",
             Self::Custom { name, .. } => name,
         }
     }
@@ -141,6 +155,9 @@ impl Model {
             Self::O3Mini => "o3-mini",
             Self::O3 => "o3",
             Self::O4Mini => "o4-mini",
+            Self::Five => "gpt-5",
+            Self::FiveMini => "gpt-5-mini",
+            Self::FiveNano => "gpt-5-nano",
             Self::Custom {
                 name, display_name, ..
             } => display_name.as_ref().unwrap_or(name),
@@ -161,6 +178,9 @@ impl Model {
             Self::O3Mini => 200_000,
             Self::O3 => 200_000,
             Self::O4Mini => 200_000,
+            Self::Five => 272_000,
+            Self::FiveMini => 272_000,
+            Self::FiveNano => 272_000,
             Self::Custom { max_tokens, .. } => *max_tokens,
         }
     }
@@ -182,6 +202,18 @@ impl Model {
             Self::O3Mini => Some(100_000),
             Self::O3 => Some(100_000),
             Self::O4Mini => Some(100_000),
+            Self::Five => Some(128_000),
+            Self::FiveMini => Some(128_000),
+            Self::FiveNano => Some(128_000),
+        }
+    }
+
+    pub fn reasoning_effort(&self) -> Option<ReasoningEffort> {
+        match self {
+            Self::Custom {
+                reasoning_effort, ..
+            } => reasoning_effort.to_owned(),
+            _ => None,
         }
     }
 
@@ -197,10 +229,20 @@ impl Model {
             | Self::FourOmniMini
             | Self::FourPointOne
             | Self::FourPointOneMini
-            | Self::FourPointOneNano => true,
+            | Self::FourPointOneNano
+            | Self::Five
+            | Self::FiveMini
+            | Self::FiveNano => true,
             Self::O1 | Self::O3 | Self::O3Mini | Self::O4Mini | Model::Custom { .. } => false,
         }
     }
+
+    /// Returns whether the given model supports the `prompt_cache_key` parameter.
+    ///
+    /// If the model does not support the parameter, do not pass it up.
+    pub fn supports_prompt_cache_key(&self) -> bool {
+        true
+    }
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -220,6 +262,10 @@ pub struct Request {
     pub parallel_tool_calls: Option<bool>,
     #[serde(default, skip_serializing_if = "Vec::is_empty")]
     pub tools: Vec<ToolDefinition>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub prompt_cache_key: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub reasoning_effort: Option<ReasoningEffort>,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -231,6 +277,16 @@ pub enum ToolChoice {
     Other(ToolDefinition),
 }
 
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
+#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
+#[serde(rename_all = "lowercase")]
+pub enum ReasoningEffort {
+    Minimal,
+    Low,
+    Medium,
+    High,
+}
+
 #[derive(Clone, Deserialize, Serialize, Debug)]
 #[serde(tag = "type", rename_all = "snake_case")]
 pub enum ToolDefinition {
@@ -376,16 +432,20 @@ pub struct ChoiceDelta {
     pub finish_reason: Option<String>,
 }
 
+#[derive(Serialize, Deserialize, Debug)]
+pub struct OpenAiError {
+    message: String,
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 #[serde(untagged)]
 pub enum ResponseStreamResult {
     Ok(ResponseStreamEvent),
-    Err { error: String },
+    Err { error: OpenAiError },
 }
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct ResponseStreamEvent {
-    pub model: String,
     pub choices: Vec<ChoiceDelta>,
     pub usage: Option<Usage>,
 }
@@ -419,9 +479,17 @@ pub async fn stream_completion(
                             match serde_json::from_str(line) {
                                 Ok(ResponseStreamResult::Ok(response)) => Some(Ok(response)),
                                 Ok(ResponseStreamResult::Err { error }) => {
+                                    Some(Err(anyhow!(error.message)))
+                                }
+                                Err(error) => {
+                                    log::error!(
+                                        "Failed to parse OpenAI response into ResponseStreamResult: `{}`\n\
+                                        Response: `{}`",
+                                        error,
+                                        line,
+                                    );
                                     Some(Err(anyhow!(error)))
                                 }
-                                Err(error) => Some(Err(anyhow!(error))),
                             }
                         }
                     }
@@ -438,11 +506,6 @@ pub async fn stream_completion(
             error: OpenAiError,
         }
 
-        #[derive(Deserialize)]
-        struct OpenAiError {
-            message: String,
-        }
-
         match serde_json::from_str::<OpenAiResponse>(&body) {
             Ok(response) if !response.error.message.is_empty() => Err(anyhow!(
                 "API request to {} failed: {}",
diff --git a/crates/open_router/src/open_router.rs b/crates/open_router/src/open_router.rs
index 3e6e406d98..b7e6d69d8f 100644
--- a/crates/open_router/src/open_router.rs
+++ b/crates/open_router/src/open_router.rs
@@ -8,7 +8,7 @@ use std::convert::TryFrom;
 pub const OPEN_ROUTER_API_URL: &str = "https://openrouter.ai/api/v1";
 
 fn is_none_or_empty<T: AsRef<[U]>, U>(opt: &Option<T>) -> bool {
-    opt.as_ref().map_or(true, |v| v.as_ref().is_empty())
+    opt.as_ref().is_none_or(|v| v.as_ref().is_empty())
 }
 
 #[derive(Clone, Copy, Serialize, Deserialize, Debug, Eq, PartialEq)]
@@ -240,10 +240,10 @@ impl MessageContent {
 
 impl From<Vec<MessagePart>> for MessageContent {
     fn from(parts: Vec<MessagePart>) -> Self {
-        if parts.len() == 1 {
-            if let MessagePart::Text { text } = &parts[0] {
-                return Self::Plain(text.clone());
-            }
+        if parts.len() == 1
+            && let MessagePart::Text { text } = &parts[0]
+        {
+            return Self::Plain(text.clone());
         }
         Self::Multipart(parts)
     }
diff --git a/crates/outline_panel/src/outline_panel.rs b/crates/outline_panel/src/outline_panel.rs
index 50c6c2dcce..10698cead8 100644
--- a/crates/outline_panel/src/outline_panel.rs
+++ b/crates/outline_panel/src/outline_panel.rs
@@ -503,16 +503,16 @@ impl SearchData {
             && multi_buffer_snapshot
                 .chars_at(extended_context_left_border)
                 .last()
-                .map_or(false, |c| !c.is_whitespace());
+                .is_some_and(|c| !c.is_whitespace());
         let truncated_right = entire_context_text
             .chars()
             .last()
-            .map_or(true, |c| !c.is_whitespace())
+            .is_none_or(|c| !c.is_whitespace())
             && extended_context_right_border > context_right_border
             && multi_buffer_snapshot
                 .chars_at(extended_context_right_border)
                 .next()
-                .map_or(false, |c| !c.is_whitespace());
+                .is_some_and(|c| !c.is_whitespace());
         search_match_indices.iter_mut().for_each(|range| {
             range.start = multi_buffer_snapshot.clip_offset(
                 range.start.saturating_sub(left_whitespaces_offset),
@@ -733,7 +733,8 @@ impl OutlinePanel {
     ) -> Entity<Self> {
         let project = workspace.project().clone();
         let workspace_handle = cx.entity().downgrade();
-        let outline_panel = cx.new(|cx| {
+
+        cx.new(|cx| {
             let filter_editor = cx.new(|cx| {
                 let mut editor = Editor::single_line(window, cx);
                 editor.set_placeholder_text("Filter...", cx);
@@ -912,9 +913,7 @@ impl OutlinePanel {
                 outline_panel.replace_active_editor(item, editor, window, cx);
             }
             outline_panel
-        });
-
-        outline_panel
+        })
     }
 
     fn serialization_key(workspace: &Workspace) -> Option<String> {
@@ -1041,7 +1040,7 @@ impl OutlinePanel {
 
     fn open_excerpts(
         &mut self,
-        action: &editor::OpenExcerpts,
+        action: &editor::actions::OpenExcerpts,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
@@ -1057,7 +1056,7 @@ impl OutlinePanel {
 
     fn open_excerpts_split(
         &mut self,
-        action: &editor::OpenExcerptsSplit,
+        action: &editor::actions::OpenExcerptsSplit,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
@@ -1170,12 +1169,11 @@ impl OutlinePanel {
                     });
                 } else {
                     let mut offset = Point::default();
-                    if let Some(buffer_id) = scroll_to_buffer {
-                        if multi_buffer_snapshot.as_singleton().is_none()
-                            && !active_editor.read(cx).is_buffer_folded(buffer_id, cx)
-                        {
-                            offset.y = -(active_editor.read(cx).file_header_size() as f32);
-                        }
+                    if let Some(buffer_id) = scroll_to_buffer
+                        && multi_buffer_snapshot.as_singleton().is_none()
+                        && !active_editor.read(cx).is_buffer_folded(buffer_id, cx)
+                    {
+                        offset.y = -(active_editor.read(cx).file_header_size() as f32);
                     }
 
                     active_editor.update(cx, |editor, cx| {
@@ -1260,7 +1258,7 @@ impl OutlinePanel {
                                 dirs_worktree_id == worktree_id
                                     && dirs
                                         .last()
-                                        .map_or(false, |dir| dir.path.as_ref() == parent_path)
+                                        .is_some_and(|dir| dir.path.as_ref() == parent_path)
                             }
                             _ => false,
                         })
@@ -1454,9 +1452,7 @@ impl OutlinePanel {
         if self
             .unfolded_dirs
             .get(&directory_worktree)
-            .map_or(true, |unfolded_dirs| {
-                !unfolded_dirs.contains(&directory_entry.id)
-            })
+            .is_none_or(|unfolded_dirs| !unfolded_dirs.contains(&directory_entry.id))
         {
             return false;
         }
@@ -1606,16 +1602,14 @@ impl OutlinePanel {
             }
             PanelEntry::FoldedDirs(folded_dirs) => {
                 let mut folded = false;
-                if let Some(dir_entry) = folded_dirs.entries.last() {
-                    if self
+                if let Some(dir_entry) = folded_dirs.entries.last()
+                    && self
                         .collapsed_entries
                         .insert(CollapsedEntry::Dir(folded_dirs.worktree_id, dir_entry.id))
-                    {
-                        folded = true;
-                        buffers_to_fold.extend(
-                            self.buffers_inside_directory(folded_dirs.worktree_id, dir_entry),
-                        );
-                    }
+                {
+                    folded = true;
+                    buffers_to_fold
+                        .extend(self.buffers_inside_directory(folded_dirs.worktree_id, dir_entry));
                 }
                 folded
             }
@@ -2108,11 +2102,11 @@ impl OutlinePanel {
                                 dirs_to_expand.push(current_entry.id);
                             }
 
-                            if traversal.back_to_parent() {
-                                if let Some(parent_entry) = traversal.entry() {
-                                    current_entry = parent_entry.clone();
-                                    continue;
-                                }
+                            if traversal.back_to_parent()
+                                && let Some(parent_entry) = traversal.entry()
+                            {
+                                current_entry = parent_entry.clone();
+                                continue;
                             }
                             break;
                         }
@@ -2159,7 +2153,7 @@ impl OutlinePanel {
                 ExcerptOutlines::Invalidated(outlines) => Some(outlines),
                 ExcerptOutlines::NotFetched => None,
             })
-            .map_or(false, |outlines| !outlines.is_empty());
+            .is_some_and(|outlines| !outlines.is_empty());
         let is_expanded = !self
             .collapsed_entries
             .contains(&CollapsedEntry::Excerpt(excerpt.buffer_id, excerpt.id));
@@ -2475,17 +2469,17 @@ impl OutlinePanel {
         let search_data = match render_data.get() {
             Some(search_data) => search_data,
             None => {
-                if let ItemsDisplayMode::Search(search_state) = &mut self.mode {
-                    if let Some(multi_buffer_snapshot) = multi_buffer_snapshot {
-                        search_state
-                            .highlight_search_match_tx
-                            .try_send(HighlightArguments {
-                                multi_buffer_snapshot: multi_buffer_snapshot.clone(),
-                                match_range: match_range.clone(),
-                                search_data: Arc::clone(render_data),
-                            })
-                            .ok();
-                    }
+                if let ItemsDisplayMode::Search(search_state) = &mut self.mode
+                    && let Some(multi_buffer_snapshot) = multi_buffer_snapshot
+                {
+                    search_state
+                        .highlight_search_match_tx
+                        .try_send(HighlightArguments {
+                            multi_buffer_snapshot: multi_buffer_snapshot.clone(),
+                            match_range: match_range.clone(),
+                            search_data: Arc::clone(render_data),
+                        })
+                        .ok();
                 }
                 return None;
             }
@@ -2570,11 +2564,11 @@ impl OutlinePanel {
             .on_click({
                 let clicked_entry = rendered_entry.clone();
                 cx.listener(move |outline_panel, event: &gpui::ClickEvent, window, cx| {
-                    if event.down.button == MouseButton::Right || event.down.first_mouse {
+                    if event.is_right_click() || event.first_focus() {
                         return;
                     }
 
-                    let change_focus = event.down.click_count > 1;
+                    let change_focus = event.click_count() > 1;
                     outline_panel.toggle_expanded(&clicked_entry, window, cx);
 
                     outline_panel.scroll_editor_to_entry(
@@ -2629,7 +2623,7 @@ impl OutlinePanel {
     }
 
     fn entry_name(&self, worktree_id: &WorktreeId, entry: &Entry, cx: &App) -> String {
-        let name = match self.project.read(cx).worktree_for_id(*worktree_id, cx) {
+        match self.project.read(cx).worktree_for_id(*worktree_id, cx) {
             Some(worktree) => {
                 let worktree = worktree.read(cx);
                 match worktree.snapshot().root_entry() {
@@ -2650,8 +2644,7 @@ impl OutlinePanel {
                 }
             }
             None => file_name(entry.path.as_ref()),
-        };
-        name
+        }
     }
 
     fn update_fs_entries(
@@ -2686,7 +2679,8 @@ impl OutlinePanel {
                 new_collapsed_entries = outline_panel.collapsed_entries.clone();
                 new_unfolded_dirs = outline_panel.unfolded_dirs.clone();
                 let multi_buffer_snapshot = active_multi_buffer.read(cx).snapshot(cx);
-                let buffer_excerpts = multi_buffer_snapshot.excerpts().fold(
+
+                multi_buffer_snapshot.excerpts().fold(
                     HashMap::default(),
                     |mut buffer_excerpts, (excerpt_id, buffer_snapshot, excerpt_range)| {
                         let buffer_id = buffer_snapshot.remote_id();
@@ -2733,8 +2727,7 @@ impl OutlinePanel {
                         );
                         buffer_excerpts
                     },
-                );
-                buffer_excerpts
+                )
             }) else {
                 return;
             };
@@ -2833,11 +2826,12 @@ impl OutlinePanel {
                                         let new_entry_added = entries_to_add
                                             .insert(current_entry.id, current_entry)
                                             .is_none();
-                                        if new_entry_added && traversal.back_to_parent() {
-                                            if let Some(parent_entry) = traversal.entry() {
-                                                current_entry = parent_entry.to_owned();
-                                                continue;
-                                            }
+                                        if new_entry_added
+                                            && traversal.back_to_parent()
+                                            && let Some(parent_entry) = traversal.entry()
+                                        {
+                                            current_entry = parent_entry.to_owned();
+                                            continue;
                                         }
                                         break;
                                     }
@@ -2878,18 +2872,17 @@ impl OutlinePanel {
                                 entries
                                     .into_iter()
                                     .filter_map(|entry| {
-                                        if auto_fold_dirs {
-                                            if let Some(parent) = entry.path.parent() {
-                                                let children = new_children_count
-                                                    .entry(worktree_id)
-                                                    .or_default()
-                                                    .entry(Arc::from(parent))
-                                                    .or_default();
-                                                if entry.is_dir() {
-                                                    children.dirs += 1;
-                                                } else {
-                                                    children.files += 1;
-                                                }
+                                        if auto_fold_dirs && let Some(parent) = entry.path.parent()
+                                        {
+                                            let children = new_children_count
+                                                .entry(worktree_id)
+                                                .or_default()
+                                                .entry(Arc::from(parent))
+                                                .or_default();
+                                            if entry.is_dir() {
+                                                children.dirs += 1;
+                                            } else {
+                                                children.files += 1;
                                             }
                                         }
 
@@ -2956,7 +2949,7 @@ impl OutlinePanel {
                                                         .map(|(parent_dir_id, _)| {
                                                             new_unfolded_dirs
                                                                 .get(&directory.worktree_id)
-                                                                .map_or(true, |unfolded_dirs| {
+                                                                .is_none_or(|unfolded_dirs| {
                                                                     unfolded_dirs
                                                                         .contains(parent_dir_id)
                                                                 })
@@ -3409,30 +3402,29 @@ impl OutlinePanel {
                                 {
                                     excerpt.outlines = ExcerptOutlines::Outlines(fetched_outlines);
 
-                                    if let Some(default_depth) = pending_default_depth {
-                                        if let ExcerptOutlines::Outlines(outlines) =
+                                    if let Some(default_depth) = pending_default_depth
+                                        && let ExcerptOutlines::Outlines(outlines) =
                                             &excerpt.outlines
-                                        {
-                                            outlines
-                                                .iter()
-                                                .filter(|outline| {
-                                                    (default_depth == 0
-                                                        || outline.depth >= default_depth)
-                                                        && outlines_with_children.contains(&(
-                                                            outline.range.clone(),
-                                                            outline.depth,
-                                                        ))
-                                                })
-                                                .for_each(|outline| {
-                                                    outline_panel.collapsed_entries.insert(
-                                                        CollapsedEntry::Outline(
-                                                            buffer_id,
-                                                            excerpt_id,
-                                                            outline.range.clone(),
-                                                        ),
-                                                    );
-                                                });
-                                        }
+                                    {
+                                        outlines
+                                            .iter()
+                                            .filter(|outline| {
+                                                (default_depth == 0
+                                                    || outline.depth >= default_depth)
+                                                    && outlines_with_children.contains(&(
+                                                        outline.range.clone(),
+                                                        outline.depth,
+                                                    ))
+                                            })
+                                            .for_each(|outline| {
+                                                outline_panel.collapsed_entries.insert(
+                                                    CollapsedEntry::Outline(
+                                                        buffer_id,
+                                                        excerpt_id,
+                                                        outline.range.clone(),
+                                                    ),
+                                                );
+                                            });
                                     }
 
                                     // Even if no outlines to check, we still need to update cached entries
@@ -3448,9 +3440,8 @@ impl OutlinePanel {
     }
 
     fn is_singleton_active(&self, cx: &App) -> bool {
-        self.active_editor().map_or(false, |active_editor| {
-            active_editor.read(cx).buffer().read(cx).is_singleton()
-        })
+        self.active_editor()
+            .is_some_and(|active_editor| active_editor.read(cx).buffer().read(cx).is_singleton())
     }
 
     fn invalidate_outlines(&mut self, ids: &[ExcerptId]) {
@@ -3611,10 +3602,9 @@ impl OutlinePanel {
                 .update_in(cx, |outline_panel, window, cx| {
                     outline_panel.cached_entries = new_cached_entries;
                     outline_panel.max_width_item_index = max_width_item_index;
-                    if outline_panel.selected_entry.is_invalidated()
-                        || matches!(outline_panel.selected_entry, SelectedEntry::None)
-                    {
-                        if let Some(new_selected_entry) =
+                    if (outline_panel.selected_entry.is_invalidated()
+                        || matches!(outline_panel.selected_entry, SelectedEntry::None))
+                        && let Some(new_selected_entry) =
                             outline_panel.active_editor().and_then(|active_editor| {
                                 outline_panel.location_for_editor_selection(
                                     &active_editor,
@@ -3622,9 +3612,8 @@ impl OutlinePanel {
                                     cx,
                                 )
                             })
-                        {
-                            outline_panel.select_entry(new_selected_entry, false, window, cx);
-                        }
+                    {
+                        outline_panel.select_entry(new_selected_entry, false, window, cx);
                     }
 
                     outline_panel.autoscroll(cx);
@@ -3670,7 +3659,7 @@ impl OutlinePanel {
                             let is_root = project
                                 .read(cx)
                                 .worktree_for_id(directory_entry.worktree_id, cx)
-                                .map_or(false, |worktree| {
+                                .is_some_and(|worktree| {
                                     worktree.read(cx).root_entry() == Some(&directory_entry.entry)
                                 });
                             let folded = auto_fold_dirs
@@ -3678,7 +3667,7 @@ impl OutlinePanel {
                                 && outline_panel
                                     .unfolded_dirs
                                     .get(&directory_entry.worktree_id)
-                                    .map_or(true, |unfolded_dirs| {
+                                    .is_none_or(|unfolded_dirs| {
                                         !unfolded_dirs.contains(&directory_entry.entry.id)
                                     });
                             let fs_depth = outline_panel
@@ -3758,7 +3747,7 @@ impl OutlinePanel {
                                                 .iter()
                                                 .rev()
                                                 .nth(folded_dirs.entries.len() + 1)
-                                                .map_or(true, |parent| parent.expanded);
+                                                .is_none_or(|parent| parent.expanded);
                                         if start_of_collapsed_dir_sequence
                                             || parent_expanded
                                             || query.is_some()
@@ -3818,7 +3807,7 @@ impl OutlinePanel {
                                             .iter()
                                             .all(|entry| entry.path != parent.path)
                                     })
-                                    .map_or(true, |parent| parent.expanded);
+                                    .is_none_or(|parent| parent.expanded);
                                 if !is_singleton && (parent_expanded || query.is_some()) {
                                     outline_panel.push_entry(
                                         &mut generation_state,
@@ -3843,7 +3832,7 @@ impl OutlinePanel {
                                             .iter()
                                             .all(|entry| entry.path != parent.path)
                                     })
-                                    .map_or(true, |parent| parent.expanded);
+                                    .is_none_or(|parent| parent.expanded);
                                 if !is_singleton && (parent_expanded || query.is_some()) {
                                     outline_panel.push_entry(
                                         &mut generation_state,
@@ -3921,19 +3910,19 @@ impl OutlinePanel {
                                 } else {
                                     None
                                 };
-                            if let Some((buffer_id, entry_excerpts)) = excerpts_to_consider {
-                                if !active_editor.read(cx).is_buffer_folded(buffer_id, cx) {
-                                    outline_panel.add_excerpt_entries(
-                                        &mut generation_state,
-                                        buffer_id,
-                                        entry_excerpts,
-                                        depth,
-                                        track_matches,
-                                        is_singleton,
-                                        query.as_deref(),
-                                        cx,
-                                    );
-                                }
+                            if let Some((buffer_id, entry_excerpts)) = excerpts_to_consider
+                                && !active_editor.read(cx).is_buffer_folded(buffer_id, cx)
+                            {
+                                outline_panel.add_excerpt_entries(
+                                    &mut generation_state,
+                                    buffer_id,
+                                    entry_excerpts,
+                                    depth,
+                                    track_matches,
+                                    is_singleton,
+                                    query.as_deref(),
+                                    cx,
+                                );
                             }
                         }
                     }
@@ -3964,7 +3953,7 @@ impl OutlinePanel {
                                 .iter()
                                 .all(|entry| entry.path != parent.path)
                         })
-                        .map_or(true, |parent| parent.expanded);
+                        .is_none_or(|parent| parent.expanded);
                     if parent_expanded || query.is_some() {
                         outline_panel.push_entry(
                             &mut generation_state,
@@ -4404,15 +4393,16 @@ impl OutlinePanel {
             })
             .filter(|(match_range, _)| {
                 let editor = active_editor.read(cx);
-                if let Some(buffer_id) = match_range.start.buffer_id {
-                    if editor.is_buffer_folded(buffer_id, cx) {
-                        return false;
-                    }
+                let snapshot = editor.buffer().read(cx).snapshot(cx);
+                if let Some(buffer_id) = snapshot.buffer_id_for_anchor(match_range.start)
+                    && editor.is_buffer_folded(buffer_id, cx)
+                {
+                    return false;
                 }
-                if let Some(buffer_id) = match_range.start.buffer_id {
-                    if editor.is_buffer_folded(buffer_id, cx) {
-                        return false;
-                    }
+                if let Some(buffer_id) = snapshot.buffer_id_for_anchor(match_range.end)
+                    && editor.is_buffer_folded(buffer_id, cx)
+                {
+                    return false;
                 }
                 true
             });
@@ -4444,7 +4434,7 @@ impl OutlinePanel {
     }
 
     fn should_replace_active_item(&self, new_active_item: &dyn ItemHandle) -> bool {
-        self.active_item().map_or(true, |active_item| {
+        self.active_item().is_none_or(|active_item| {
             !self.pinned && active_item.item_id() != new_active_item.item_id()
         })
     }
@@ -4456,16 +4446,14 @@ impl OutlinePanel {
         cx: &mut Context<Self>,
     ) {
         self.pinned = !self.pinned;
-        if !self.pinned {
-            if let Some((active_item, active_editor)) = self
+        if !self.pinned
+            && let Some((active_item, active_editor)) = self
                 .workspace
                 .upgrade()
                 .and_then(|workspace| workspace_active_editor(workspace.read(cx), cx))
-            {
-                if self.should_replace_active_item(active_item.as_ref()) {
-                    self.replace_active_editor(active_item, active_editor, window, cx);
-                }
-            }
+            && self.should_replace_active_item(active_item.as_ref())
+        {
+            self.replace_active_editor(active_item, active_editor, window, cx);
         }
 
         cx.notify();
@@ -4815,51 +4803,45 @@ impl OutlinePanel {
                 .when(show_indent_guides, |list| {
                     list.with_decoration(
                         ui::indent_guides(px(indent_size), IndentGuideColors::panel(cx))
-                            .with_compute_indents_fn(
-                                cx.entity().clone(),
-                                |outline_panel, range, _, _| {
-                                    let entries = outline_panel.cached_entries.get(range);
-                                    if let Some(entries) = entries {
-                                        entries.into_iter().map(|item| item.depth).collect()
-                                    } else {
-                                        smallvec::SmallVec::new()
-                                    }
-                                },
-                            )
-                            .with_render_fn(
-                                cx.entity().clone(),
-                                move |outline_panel, params, _, _| {
-                                    const LEFT_OFFSET: Pixels = px(14.);
+                            .with_compute_indents_fn(cx.entity(), |outline_panel, range, _, _| {
+                                let entries = outline_panel.cached_entries.get(range);
+                                if let Some(entries) = entries {
+                                    entries.iter().map(|item| item.depth).collect()
+                                } else {
+                                    smallvec::SmallVec::new()
+                                }
+                            })
+                            .with_render_fn(cx.entity(), move |outline_panel, params, _, _| {
+                                const LEFT_OFFSET: Pixels = px(14.);
 
-                                    let indent_size = params.indent_size;
-                                    let item_height = params.item_height;
-                                    let active_indent_guide_ix = find_active_indent_guide_ix(
-                                        outline_panel,
-                                        &params.indent_guides,
-                                    );
+                                let indent_size = params.indent_size;
+                                let item_height = params.item_height;
+                                let active_indent_guide_ix = find_active_indent_guide_ix(
+                                    outline_panel,
+                                    &params.indent_guides,
+                                );
 
-                                    params
-                                        .indent_guides
-                                        .into_iter()
-                                        .enumerate()
-                                        .map(|(ix, layout)| {
-                                            let bounds = Bounds::new(
-                                                point(
-                                                    layout.offset.x * indent_size + LEFT_OFFSET,
-                                                    layout.offset.y * item_height,
-                                                ),
-                                                size(px(1.), layout.length * item_height),
-                                            );
-                                            ui::RenderedIndentGuide {
-                                                bounds,
-                                                layout,
-                                                is_active: active_indent_guide_ix == Some(ix),
-                                                hitbox: None,
-                                            }
-                                        })
-                                        .collect()
-                                },
-                            ),
+                                params
+                                    .indent_guides
+                                    .into_iter()
+                                    .enumerate()
+                                    .map(|(ix, layout)| {
+                                        let bounds = Bounds::new(
+                                            point(
+                                                layout.offset.x * indent_size + LEFT_OFFSET,
+                                                layout.offset.y * item_height,
+                                            ),
+                                            size(px(1.), layout.length * item_height),
+                                        );
+                                        ui::RenderedIndentGuide {
+                                            bounds,
+                                            layout,
+                                            is_active: active_indent_guide_ix == Some(ix),
+                                            hitbox: None,
+                                        }
+                                    })
+                                    .collect()
+                            }),
                     )
                 })
             };
@@ -5073,24 +5055,23 @@ impl Panel for OutlinePanel {
                     let old_active = outline_panel.active;
                     outline_panel.active = active;
                     if old_active != active {
-                        if active {
-                            if let Some((active_item, active_editor)) =
+                        if active
+                            && let Some((active_item, active_editor)) =
                                 outline_panel.workspace.upgrade().and_then(|workspace| {
                                     workspace_active_editor(workspace.read(cx), cx)
                                 })
-                            {
-                                if outline_panel.should_replace_active_item(active_item.as_ref()) {
-                                    outline_panel.replace_active_editor(
-                                        active_item,
-                                        active_editor,
-                                        window,
-                                        cx,
-                                    );
-                                } else {
-                                    outline_panel.update_fs_entries(active_editor, None, window, cx)
-                                }
-                                return;
+                        {
+                            if outline_panel.should_replace_active_item(active_item.as_ref()) {
+                                outline_panel.replace_active_editor(
+                                    active_item,
+                                    active_editor,
+                                    window,
+                                    cx,
+                                );
+                            } else {
+                                outline_panel.update_fs_entries(active_editor, None, window, cx)
                             }
+                            return;
                         }
 
                         if !outline_panel.pinned {
@@ -5111,7 +5092,7 @@ impl Panel for OutlinePanel {
 
 impl Focusable for OutlinePanel {
     fn focus_handle(&self, cx: &App) -> FocusHandle {
-        self.filter_editor.focus_handle(cx).clone()
+        self.filter_editor.focus_handle(cx)
     }
 }
 
@@ -5325,8 +5306,8 @@ fn subscribe_for_editor_events(
                             })
                             .copied(),
                     );
-                    if !ignore_selections_change {
-                        if let Some(entry_to_select) = latest_unfolded_buffer_id
+                    if !ignore_selections_change
+                        && let Some(entry_to_select) = latest_unfolded_buffer_id
                             .or(latest_folded_buffer_id)
                             .and_then(|toggled_buffer_id| {
                                 outline_panel.fs_entries.iter().find_map(
@@ -5350,16 +5331,15 @@ fn subscribe_for_editor_events(
                                 )
                             })
                             .map(PanelEntry::Fs)
-                        {
-                            outline_panel.select_entry(entry_to_select, true, window, cx);
-                        }
+                    {
+                        outline_panel.select_entry(entry_to_select, true, window, cx);
                     }
 
                     outline_panel.update_fs_entries(editor.clone(), debounce, window, cx);
                 }
                 EditorEvent::Reparsed(buffer_id) => {
                     if let Some(excerpts) = outline_panel.excerpts.get_mut(buffer_id) {
-                        for (_, excerpt) in excerpts {
+                        for excerpt in excerpts.values_mut() {
                             excerpt.invalidate_outlines();
                         }
                     }
@@ -5504,7 +5484,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -5520,7 +5500,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -5538,7 +5518,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -5575,7 +5555,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -5589,7 +5569,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -5608,7 +5588,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -5636,7 +5616,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -5724,7 +5704,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     None,
                     cx,
@@ -5747,7 +5727,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     None,
                     cx,
@@ -5773,7 +5753,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     None,
                     cx,
@@ -5879,7 +5859,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -5902,7 +5882,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -5939,7 +5919,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -5958,7 +5938,7 @@ mod tests {
         });
 
         outline_panel.update_in(cx, |outline_panel, window, cx| {
-            outline_panel.open_excerpts(&editor::OpenExcerpts, window, cx);
+            outline_panel.open_excerpts(&editor::actions::OpenExcerpts, window, cx);
         });
         cx.executor()
             .advance_clock(UPDATE_DEBOUNCE + Duration::from_millis(100));
@@ -5976,7 +5956,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6079,7 +6059,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6105,7 +6085,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6129,7 +6109,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6150,7 +6130,7 @@ mod tests {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6238,7 +6218,7 @@ struct OutlineEntryExcerpt {
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6265,7 +6245,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6292,7 +6272,7 @@ outline: struct OutlineEntryExcerpt  <==== selected
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6319,7 +6299,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6346,7 +6326,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6373,7 +6353,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6400,7 +6380,7 @@ outline: struct OutlineEntryExcerpt  <==== selected
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6427,7 +6407,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6454,7 +6434,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6481,7 +6461,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6508,7 +6488,7 @@ outline: struct OutlineEntryExcerpt  <==== selected
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6614,7 +6594,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6651,7 +6631,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6679,7 +6659,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6711,7 +6691,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6742,7 +6722,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -6870,7 +6850,7 @@ outline: struct OutlineEntryExcerpt
                             .render_data
                             .get_or_init(|| SearchData::new(
                                 &search_entry.match_range,
-                                &multi_buffer_snapshot
+                                multi_buffer_snapshot
                             ))
                             .context_text
                     )
@@ -7261,7 +7241,7 @@ outline: struct OutlineEntryExcerpt
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -7320,7 +7300,7 @@ outline: fn main()"
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -7344,7 +7324,7 @@ outline: fn main()"
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -7409,7 +7389,7 @@ outline: fn main()"
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -7550,7 +7530,7 @@ outline: fn main()"
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -7588,7 +7568,7 @@ outline: fn main()"
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -7622,7 +7602,7 @@ outline: fn main()"
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
@@ -7654,7 +7634,7 @@ outline: fn main()"
             assert_eq!(
                 display_entries(
                     &project,
-                    &snapshot(&outline_panel, cx),
+                    &snapshot(outline_panel, cx),
                     &outline_panel.cached_entries,
                     outline_panel.selected_entry(),
                     cx,
diff --git a/crates/panel/src/panel.rs b/crates/panel/src/panel.rs
index 658a51167b..1930f654e9 100644
--- a/crates/panel/src/panel.rs
+++ b/crates/panel/src/panel.rs
@@ -52,7 +52,7 @@ impl RenderOnce for PanelTab {
 
 pub fn panel_button(label: impl Into<SharedString>) -> ui::Button {
     let label = label.into();
-    let id = ElementId::Name(label.clone().to_lowercase().replace(' ', "_").into());
+    let id = ElementId::Name(label.to_lowercase().replace(' ', "_").into());
     ui::Button::new(id, label)
         .label_size(ui::LabelSize::Small)
         .icon_size(ui::IconSize::Small)
diff --git a/crates/paths/src/paths.rs b/crates/paths/src/paths.rs
index 47a0f12c06..aab0354c96 100644
--- a/crates/paths/src/paths.rs
+++ b/crates/paths/src/paths.rs
@@ -41,7 +41,7 @@ pub fn remote_server_dir_relative() -> &'static Path {
 /// # Arguments
 ///
 /// * `dir` - The path to use as the custom data directory. This will be used as the base
-///           directory for all user data, including databases, extensions, and logs.
+///   directory for all user data, including databases, extensions, and logs.
 ///
 /// # Returns
 ///
diff --git a/crates/picker/src/picker.rs b/crates/picker/src/picker.rs
index 692bdd5bd7..34af5fed02 100644
--- a/crates/picker/src/picker.rs
+++ b/crates/picker/src/picker.rs
@@ -292,7 +292,7 @@ impl<D: PickerDelegate> Picker<D> {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Self {
-        let element_container = Self::create_element_container(container, cx);
+        let element_container = Self::create_element_container(container);
         let scrollbar_state = match &element_container {
             ElementContainer::UniformList(scroll_handle) => {
                 ScrollbarState::new(scroll_handle.clone())
@@ -323,31 +323,13 @@ impl<D: PickerDelegate> Picker<D> {
         this
     }
 
-    fn create_element_container(
-        container: ContainerKind,
-        cx: &mut Context<Self>,
-    ) -> ElementContainer {
+    fn create_element_container(container: ContainerKind) -> ElementContainer {
         match container {
             ContainerKind::UniformList => {
                 ElementContainer::UniformList(UniformListScrollHandle::new())
             }
             ContainerKind::List => {
-                let entity = cx.entity().downgrade();
-                ElementContainer::List(ListState::new(
-                    0,
-                    gpui::ListAlignment::Top,
-                    px(1000.),
-                    move |ix, window, cx| {
-                        entity
-                            .upgrade()
-                            .map(|entity| {
-                                entity.update(cx, |this, cx| {
-                                    this.render_element(window, cx, ix).into_any_element()
-                                })
-                            })
-                            .unwrap_or_else(|| div().into_any_element())
-                    },
-                ))
+                ElementContainer::List(ListState::new(0, gpui::ListAlignment::Top, px(1000.)))
             }
         }
     }
@@ -786,11 +768,16 @@ impl<D: PickerDelegate> Picker<D> {
             .py_1()
             .track_scroll(scroll_handle.clone())
             .into_any_element(),
-            ElementContainer::List(state) => list(state.clone())
-                .with_sizing_behavior(sizing_behavior)
-                .flex_grow()
-                .py_2()
-                .into_any_element(),
+            ElementContainer::List(state) => list(
+                state.clone(),
+                cx.processor(|this, ix, window, cx| {
+                    this.render_element(window, cx, ix).into_any_element()
+                }),
+            )
+            .with_sizing_behavior(sizing_behavior)
+            .flex_grow()
+            .py_2()
+            .into_any_element(),
         }
     }
 
diff --git a/crates/picker/src/popover_menu.rs b/crates/picker/src/popover_menu.rs
index dd1d9c2865..baf0918fd6 100644
--- a/crates/picker/src/popover_menu.rs
+++ b/crates/picker/src/popover_menu.rs
@@ -80,11 +80,12 @@ where
 {
     fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement {
         let picker = self.picker.clone();
+
         PopoverMenu::new("popover-menu")
             .menu(move |_window, _cx| Some(picker.clone()))
             .trigger_with_tooltip(self.trigger, self.tooltip)
             .anchor(self.anchor)
-            .when_some(self.handle.clone(), |menu, handle| menu.with_handle(handle))
+            .when_some(self.handle, |menu, handle| menu.with_handle(handle))
             .offset(gpui::Point {
                 x: px(0.0),
                 y: px(-2.0),
diff --git a/crates/prettier/src/prettier.rs b/crates/prettier/src/prettier.rs
index 33320e6845..32e39d466f 100644
--- a/crates/prettier/src/prettier.rs
+++ b/crates/prettier/src/prettier.rs
@@ -119,7 +119,7 @@ impl Prettier {
                                             None
                                         }
                                     }).any(|workspace_definition| {
-                                        workspace_definition == subproject_path.to_string_lossy() || PathMatcher::new(&[workspace_definition]).ok().map_or(false, |path_matcher| path_matcher.is_match(subproject_path))
+                                        workspace_definition == subproject_path.to_string_lossy() || PathMatcher::new(&[workspace_definition]).ok().is_some_and(|path_matcher| path_matcher.is_match(subproject_path))
                                     }) {
                                         anyhow::ensure!(has_prettier_in_node_modules(fs, &path_to_check).await?, "Path {path_to_check:?} is the workspace root for project in {closest_package_json_path:?}, but it has no prettier installed");
                                         log::info!("Found prettier path {path_to_check:?} in the workspace root for project in {closest_package_json_path:?}");
@@ -185,11 +185,11 @@ impl Prettier {
                     .metadata(&ignore_path)
                     .await
                     .with_context(|| format!("fetching metadata for {ignore_path:?}"))?
+                    && !metadata.is_dir
+                    && !metadata.is_symlink
                 {
-                    if !metadata.is_dir && !metadata.is_symlink {
-                        log::info!("Found prettier ignore at {ignore_path:?}");
-                        return Ok(ControlFlow::Continue(Some(path_to_check)));
-                    }
+                    log::info!("Found prettier ignore at {ignore_path:?}");
+                    return Ok(ControlFlow::Continue(Some(path_to_check)));
                 }
                 match &closest_package_json_path {
                     None => closest_package_json_path = Some(path_to_check.clone()),
@@ -217,19 +217,19 @@ impl Prettier {
                                     workspace_definition == subproject_path.to_string_lossy()
                                         || PathMatcher::new(&[workspace_definition])
                                             .ok()
-                                            .map_or(false, |path_matcher| {
+                                            .is_some_and(|path_matcher| {
                                                 path_matcher.is_match(subproject_path)
                                             })
                                 })
                             {
                                 let workspace_ignore = path_to_check.join(".prettierignore");
-                                if let Some(metadata) = fs.metadata(&workspace_ignore).await? {
-                                    if !metadata.is_dir {
-                                        log::info!(
-                                            "Found prettier ignore at workspace root {workspace_ignore:?}"
-                                        );
-                                        return Ok(ControlFlow::Continue(Some(path_to_check)));
-                                    }
+                                if let Some(metadata) = fs.metadata(&workspace_ignore).await?
+                                    && !metadata.is_dir
+                                {
+                                    log::info!(
+                                        "Found prettier ignore at workspace root {workspace_ignore:?}"
+                                    );
+                                    return Ok(ControlFlow::Continue(Some(path_to_check)));
                                 }
                             }
                         }
@@ -549,18 +549,16 @@ async fn read_package_json(
         .metadata(&possible_package_json)
         .await
         .with_context(|| format!("fetching metadata for package json {possible_package_json:?}"))?
+        && !package_json_metadata.is_dir
+        && !package_json_metadata.is_symlink
     {
-        if !package_json_metadata.is_dir && !package_json_metadata.is_symlink {
-            let package_json_contents = fs
-                .load(&possible_package_json)
-                .await
-                .with_context(|| format!("reading {possible_package_json:?} file contents"))?;
-            return serde_json::from_str::<HashMap<String, serde_json::Value>>(
-                &package_json_contents,
-            )
+        let package_json_contents = fs
+            .load(&possible_package_json)
+            .await
+            .with_context(|| format!("reading {possible_package_json:?} file contents"))?;
+        return serde_json::from_str::<HashMap<String, serde_json::Value>>(&package_json_contents)
             .map(Some)
             .with_context(|| format!("parsing {possible_package_json:?} file contents"));
-        }
     }
     Ok(None)
 }
diff --git a/crates/project/src/buffer_store.rs b/crates/project/src/buffer_store.rs
index b8101e14f3..295bad6e59 100644
--- a/crates/project/src/buffer_store.rs
+++ b/crates/project/src/buffer_store.rs
@@ -88,9 +88,18 @@ pub enum BufferStoreEvent {
     },
 }
 
-#[derive(Default, Debug)]
+#[derive(Default, Debug, Clone)]
 pub struct ProjectTransaction(pub HashMap<Entity<Buffer>, language::Transaction>);
 
+impl PartialEq for ProjectTransaction {
+    fn eq(&self, other: &Self) -> bool {
+        self.0.len() == other.0.len()
+            && self.0.iter().all(|(buffer, transaction)| {
+                other.0.get(buffer).is_some_and(|t| t.id == transaction.id)
+            })
+    }
+}
+
 impl EventEmitter<BufferStoreEvent> for BufferStore {}
 
 impl RemoteBufferStore {
@@ -168,7 +177,7 @@ impl RemoteBufferStore {
                             .with_context(|| {
                                 format!("no worktree found for id {}", file.worktree_id)
                             })?;
-                        buffer_file = Some(Arc::new(File::from_proto(file, worktree.clone(), cx)?)
+                        buffer_file = Some(Arc::new(File::from_proto(file, worktree, cx)?)
                             as Arc<dyn language::File>);
                     }
                     Buffer::from_proto(replica_id, capability, state, buffer_file)
@@ -234,7 +243,7 @@ impl RemoteBufferStore {
                 }
             }
         }
-        return Ok(None);
+        Ok(None)
     }
 
     pub fn incomplete_buffer_ids(&self) -> Vec<BufferId> {
@@ -413,13 +422,10 @@ impl LocalBufferStore {
         cx: &mut Context<BufferStore>,
     ) {
         cx.subscribe(worktree, |this, worktree, event, cx| {
-            if worktree.read(cx).is_local() {
-                match event {
-                    worktree::Event::UpdatedEntries(changes) => {
-                        Self::local_worktree_entries_changed(this, &worktree, changes, cx);
-                    }
-                    _ => {}
-                }
+            if worktree.read(cx).is_local()
+                && let worktree::Event::UpdatedEntries(changes) = event
+            {
+                Self::local_worktree_entries_changed(this, &worktree, changes, cx);
             }
         })
         .detach();
@@ -594,7 +600,7 @@ impl LocalBufferStore {
         else {
             return Task::ready(Err(anyhow!("no such worktree")));
         };
-        self.save_local_buffer(buffer, worktree, path.path.clone(), true, cx)
+        self.save_local_buffer(buffer, worktree, path.path, true, cx)
     }
 
     fn open_buffer(
@@ -848,7 +854,7 @@ impl BufferStore {
     ) -> Task<Result<()>> {
         match &mut self.state {
             BufferStoreState::Local(this) => this.save_buffer(buffer, cx),
-            BufferStoreState::Remote(this) => this.save_remote_buffer(buffer.clone(), None, cx),
+            BufferStoreState::Remote(this) => this.save_remote_buffer(buffer, None, cx),
         }
     }
 
@@ -947,10 +953,9 @@ impl BufferStore {
     }
 
     pub fn get_by_path(&self, path: &ProjectPath) -> Option<Entity<Buffer>> {
-        self.path_to_buffer_id.get(path).and_then(|buffer_id| {
-            let buffer = self.get(*buffer_id);
-            buffer
-        })
+        self.path_to_buffer_id
+            .get(path)
+            .and_then(|buffer_id| self.get(*buffer_id))
     }
 
     pub fn get(&self, buffer_id: BufferId) -> Option<Entity<Buffer>> {
@@ -1094,10 +1099,10 @@ impl BufferStore {
                         .collect::<Vec<_>>()
                 })?;
                 for buffer_task in buffers {
-                    if let Some(buffer) = buffer_task.await.log_err() {
-                        if tx.send(buffer).await.is_err() {
-                            return anyhow::Ok(());
-                        }
+                    if let Some(buffer) = buffer_task.await.log_err()
+                        && tx.send(buffer).await.is_err()
+                    {
+                        return anyhow::Ok(());
                     }
                 }
             }
@@ -1142,7 +1147,7 @@ impl BufferStore {
         envelope: TypedEnvelope<proto::UpdateBuffer>,
         mut cx: AsyncApp,
     ) -> Result<proto::Ack> {
-        let payload = envelope.payload.clone();
+        let payload = envelope.payload;
         let buffer_id = BufferId::new(payload.buffer_id)?;
         let ops = payload
             .operations
@@ -1173,11 +1178,11 @@ impl BufferStore {
         buffer_id: BufferId,
         handle: OpenLspBufferHandle,
     ) {
-        if let Some(shared_buffers) = self.shared_buffers.get_mut(&peer_id) {
-            if let Some(buffer) = shared_buffers.get_mut(&buffer_id) {
-                buffer.lsp_handle = Some(handle);
-                return;
-            }
+        if let Some(shared_buffers) = self.shared_buffers.get_mut(&peer_id)
+            && let Some(buffer) = shared_buffers.get_mut(&buffer_id)
+        {
+            buffer.lsp_handle = Some(handle);
+            return;
         }
         debug_panic!("tried to register shared lsp handle, but buffer was not shared")
     }
@@ -1313,10 +1318,7 @@ impl BufferStore {
                     let new_path = file.path.clone();
 
                     buffer.file_updated(Arc::new(file), cx);
-                    if old_file
-                        .as_ref()
-                        .map_or(true, |old| *old.path() != new_path)
-                    {
+                    if old_file.as_ref().is_none_or(|old| *old.path() != new_path) {
                         Some(old_file)
                     } else {
                         None
@@ -1345,7 +1347,7 @@ impl BufferStore {
         mut cx: AsyncApp,
     ) -> Result<proto::BufferSaved> {
         let buffer_id = BufferId::new(envelope.payload.buffer_id)?;
-        let (buffer, project_id) = this.read_with(&mut cx, |this, _| {
+        let (buffer, project_id) = this.read_with(&cx, |this, _| {
             anyhow::Ok((
                 this.get_existing(buffer_id)?,
                 this.downstream_client
@@ -1359,7 +1361,7 @@ impl BufferStore {
                 buffer.wait_for_version(deserialize_version(&envelope.payload.version))
             })?
             .await?;
-        let buffer_id = buffer.read_with(&mut cx, |buffer, _| buffer.remote_id())?;
+        let buffer_id = buffer.read_with(&cx, |buffer, _| buffer.remote_id())?;
 
         if let Some(new_path) = envelope.payload.new_path {
             let new_path = ProjectPath::from_proto(new_path);
@@ -1372,7 +1374,7 @@ impl BufferStore {
                 .await?;
         }
 
-        buffer.read_with(&mut cx, |buffer, _| proto::BufferSaved {
+        buffer.read_with(&cx, |buffer, _| proto::BufferSaved {
             project_id,
             buffer_id: buffer_id.into(),
             version: serialize_version(buffer.saved_version()),
@@ -1388,14 +1390,14 @@ impl BufferStore {
         let peer_id = envelope.sender_id;
         let buffer_id = BufferId::new(envelope.payload.buffer_id)?;
         this.update(&mut cx, |this, cx| {
-            if let Some(shared) = this.shared_buffers.get_mut(&peer_id) {
-                if shared.remove(&buffer_id).is_some() {
-                    cx.emit(BufferStoreEvent::SharedBufferClosed(peer_id, buffer_id));
-                    if shared.is_empty() {
-                        this.shared_buffers.remove(&peer_id);
-                    }
-                    return;
+            if let Some(shared) = this.shared_buffers.get_mut(&peer_id)
+                && shared.remove(&buffer_id).is_some()
+            {
+                cx.emit(BufferStoreEvent::SharedBufferClosed(peer_id, buffer_id));
+                if shared.is_empty() {
+                    this.shared_buffers.remove(&peer_id);
                 }
+                return;
             }
             debug_panic!(
                 "peer_id {} closed buffer_id {} which was either not open or already closed",
diff --git a/crates/project/src/color_extractor.rs b/crates/project/src/color_extractor.rs
index 5473da88af..6e9907e30b 100644
--- a/crates/project/src/color_extractor.rs
+++ b/crates/project/src/color_extractor.rs
@@ -4,8 +4,8 @@ use gpui::{Hsla, Rgba};
 use lsp::{CompletionItem, Documentation};
 use regex::{Regex, RegexBuilder};
 
-const HEX: &'static str = r#"(#(?:[\da-fA-F]{3}){1,2})"#;
-const RGB_OR_HSL: &'static str = r#"(rgba?|hsla?)\(\s*(\d{1,3}%?)\s*,\s*(\d{1,3}%?)\s*,\s*(\d{1,3}%?)\s*(?:,\s*(1|0?\.\d+))?\s*\)"#;
+const HEX: &str = r#"(#(?:[\da-fA-F]{3}){1,2})"#;
+const RGB_OR_HSL: &str = r#"(rgba?|hsla?)\(\s*(\d{1,3}%?)\s*,\s*(\d{1,3}%?)\s*,\s*(\d{1,3}%?)\s*(?:,\s*(1|0?\.\d+))?\s*\)"#;
 
 static RELAXED_HEX_REGEX: LazyLock<Regex> = LazyLock::new(|| {
     RegexBuilder::new(HEX)
@@ -102,7 +102,7 @@ fn parse(str: &str, mode: ParseMode) -> Option<Hsla> {
         };
     }
 
-    return None;
+    None
 }
 
 fn parse_component(value: &str, max: f32) -> Option<f32> {
@@ -141,7 +141,7 @@ mod tests {
     use gpui::rgba;
     use lsp::{CompletionItem, CompletionItemKind};
 
-    pub const COLOR_TABLE: &[(&'static str, Option<u32>)] = &[
+    pub const COLOR_TABLE: &[(&str, Option<u32>)] = &[
         // -- Invalid --
         // Invalid hex
         ("f0f", None),
diff --git a/crates/project/src/context_server_store.rs b/crates/project/src/context_server_store.rs
index c96ab4e8f3..49a430c261 100644
--- a/crates/project/src/context_server_store.rs
+++ b/crates/project/src/context_server_store.rs
@@ -368,7 +368,7 @@ impl ContextServerStore {
     }
 
     pub fn restart_server(&mut self, id: &ContextServerId, cx: &mut Context<Self>) -> Result<()> {
-        if let Some(state) = self.servers.get(&id) {
+        if let Some(state) = self.servers.get(id) {
             let configuration = state.configuration();
 
             self.stop_server(&state.server().id(), cx)?;
@@ -397,9 +397,8 @@ impl ContextServerStore {
             let server = server.clone();
             let configuration = configuration.clone();
             async move |this, cx| {
-                match server.clone().start(&cx).await {
+                match server.clone().start(cx).await {
                     Ok(_) => {
-                        log::info!("Started {} context server", id);
                         debug_assert!(server.client().is_some());
 
                         this.update(cx, |this, cx| {
@@ -588,7 +587,7 @@ impl ContextServerStore {
             for server_id in this.servers.keys() {
                 // All servers that are not in desired_servers should be removed from the store.
                 // This can happen if the user removed a server from the context server settings.
-                if !configured_servers.contains_key(&server_id) {
+                if !configured_servers.contains_key(server_id) {
                     if disabled_servers.contains_key(&server_id.0) {
                         servers_to_stop.insert(server_id.clone());
                     } else {
@@ -642,8 +641,8 @@ mod tests {
 
     #[gpui::test]
     async fn test_context_server_status(cx: &mut TestAppContext) {
-        const SERVER_1_ID: &'static str = "mcp-1";
-        const SERVER_2_ID: &'static str = "mcp-2";
+        const SERVER_1_ID: &str = "mcp-1";
+        const SERVER_2_ID: &str = "mcp-2";
 
         let (_fs, project) = setup_context_server_test(
             cx,
@@ -722,8 +721,8 @@ mod tests {
 
     #[gpui::test]
     async fn test_context_server_status_events(cx: &mut TestAppContext) {
-        const SERVER_1_ID: &'static str = "mcp-1";
-        const SERVER_2_ID: &'static str = "mcp-2";
+        const SERVER_1_ID: &str = "mcp-1";
+        const SERVER_2_ID: &str = "mcp-2";
 
         let (_fs, project) = setup_context_server_test(
             cx,
@@ -761,7 +760,7 @@ mod tests {
             &store,
             vec![
                 (server_1_id.clone(), ContextServerStatus::Starting),
-                (server_1_id.clone(), ContextServerStatus::Running),
+                (server_1_id, ContextServerStatus::Running),
                 (server_2_id.clone(), ContextServerStatus::Starting),
                 (server_2_id.clone(), ContextServerStatus::Running),
                 (server_2_id.clone(), ContextServerStatus::Stopped),
@@ -784,7 +783,7 @@ mod tests {
 
     #[gpui::test(iterations = 25)]
     async fn test_context_server_concurrent_starts(cx: &mut TestAppContext) {
-        const SERVER_1_ID: &'static str = "mcp-1";
+        const SERVER_1_ID: &str = "mcp-1";
 
         let (_fs, project) = setup_context_server_test(
             cx,
@@ -845,8 +844,8 @@ mod tests {
 
     #[gpui::test]
     async fn test_context_server_maintain_servers_loop(cx: &mut TestAppContext) {
-        const SERVER_1_ID: &'static str = "mcp-1";
-        const SERVER_2_ID: &'static str = "mcp-2";
+        const SERVER_1_ID: &str = "mcp-1";
+        const SERVER_2_ID: &str = "mcp-2";
 
         let server_1_id = ContextServerId(SERVER_1_ID.into());
         let server_2_id = ContextServerId(SERVER_2_ID.into());
@@ -1084,7 +1083,7 @@ mod tests {
 
     #[gpui::test]
     async fn test_context_server_enabled_disabled(cx: &mut TestAppContext) {
-        const SERVER_1_ID: &'static str = "mcp-1";
+        const SERVER_1_ID: &str = "mcp-1";
 
         let server_1_id = ContextServerId(SERVER_1_ID.into());
 
diff --git a/crates/project/src/context_server_store/extension.rs b/crates/project/src/context_server_store/extension.rs
index 1eb0fe7da1..2a3a0c2e4b 100644
--- a/crates/project/src/context_server_store/extension.rs
+++ b/crates/project/src/context_server_store/extension.rs
@@ -63,7 +63,7 @@ impl registry::ContextServerDescriptor for ContextServerDescriptor {
                 .await?;
             command.command = extension.path_from_extension(&command.command);
 
-            log::info!("loaded command for context server {id}: {command:?}");
+            log::debug!("loaded command for context server {id}: {command:?}");
 
             Ok(ContextServerCommand {
                 path: command.command,
diff --git a/crates/project/src/debugger.rs b/crates/project/src/debugger.rs
index 6c22468040..0bf6a0d61b 100644
--- a/crates/project/src/debugger.rs
+++ b/crates/project/src/debugger.rs
@@ -6,9 +6,9 @@
 //!
 //! There are few reasons for this divide:
 //! - Breakpoints persist across debug sessions and they're not really specific to any particular session. Sure, we have to send protocol messages for them
-//! (so they're a "thing" in the protocol), but we also want to set them before any session starts up.
+//!   (so they're a "thing" in the protocol), but we also want to set them before any session starts up.
 //! - Debug clients are doing the heavy lifting, and this is where UI grabs all of it's data from. They also rely on breakpoint store during initialization to obtain
-//! current set of breakpoints.
+//!   current set of breakpoints.
 //! - Since DAP store knows about all of the available debug sessions, it is responsible for routing RPC requests to sessions. It also knows how to find adapters for particular kind of session.
 
 pub mod breakpoint_store;
diff --git a/crates/project/src/debugger/breakpoint_store.rs b/crates/project/src/debugger/breakpoint_store.rs
index 025dca4100..c47e5d35d5 100644
--- a/crates/project/src/debugger/breakpoint_store.rs
+++ b/crates/project/src/debugger/breakpoint_store.rs
@@ -192,7 +192,7 @@ impl BreakpointStore {
     }
 
     pub(crate) fn shared(&mut self, project_id: u64, downstream_client: AnyProtoClient) {
-        self.downstream_client = Some((downstream_client.clone(), project_id));
+        self.downstream_client = Some((downstream_client, project_id));
     }
 
     pub(crate) fn unshared(&mut self, cx: &mut Context<Self>) {
@@ -267,7 +267,7 @@ impl BreakpointStore {
         message: TypedEnvelope<proto::ToggleBreakpoint>,
         mut cx: AsyncApp,
     ) -> Result<proto::Ack> {
-        let breakpoints = this.read_with(&mut cx, |this, _| this.breakpoint_store())?;
+        let breakpoints = this.read_with(&cx, |this, _| this.breakpoint_store())?;
         let path = this
             .update(&mut cx, |this, cx| {
                 this.project_path_for_absolute_path(message.payload.path.as_ref(), cx)
@@ -317,8 +317,8 @@ impl BreakpointStore {
                         .iter()
                         .filter_map(|breakpoint| {
                             breakpoint.bp.bp.to_proto(
-                                &path,
-                                &breakpoint.position(),
+                                path,
+                                breakpoint.position(),
                                 &breakpoint.session_state,
                             )
                         })
@@ -450,9 +450,9 @@ impl BreakpointStore {
                     });
 
                     if let Some(found_bp) = found_bp {
-                        found_bp.message = Some(log_message.clone());
+                        found_bp.message = Some(log_message);
                     } else {
-                        breakpoint.bp.message = Some(log_message.clone());
+                        breakpoint.bp.message = Some(log_message);
                         // We did not remove any breakpoint, hence let's toggle one.
                         breakpoint_set
                             .breakpoints
@@ -482,9 +482,9 @@ impl BreakpointStore {
                     });
 
                     if let Some(found_bp) = found_bp {
-                        found_bp.hit_condition = Some(hit_condition.clone());
+                        found_bp.hit_condition = Some(hit_condition);
                     } else {
-                        breakpoint.bp.hit_condition = Some(hit_condition.clone());
+                        breakpoint.bp.hit_condition = Some(hit_condition);
                         // We did not remove any breakpoint, hence let's toggle one.
                         breakpoint_set
                             .breakpoints
@@ -514,9 +514,9 @@ impl BreakpointStore {
                     });
 
                     if let Some(found_bp) = found_bp {
-                        found_bp.condition = Some(condition.clone());
+                        found_bp.condition = Some(condition);
                     } else {
-                        breakpoint.bp.condition = Some(condition.clone());
+                        breakpoint.bp.condition = Some(condition);
                         // We did not remove any breakpoint, hence let's toggle one.
                         breakpoint_set
                             .breakpoints
@@ -591,7 +591,7 @@ impl BreakpointStore {
         cx: &mut Context<Self>,
     ) {
         if let Some(breakpoints) = self.breakpoints.remove(&old_path) {
-            self.breakpoints.insert(new_path.clone(), breakpoints);
+            self.breakpoints.insert(new_path, breakpoints);
 
             cx.notify();
         }
@@ -623,12 +623,11 @@ impl BreakpointStore {
                 file_breakpoints.breakpoints.iter().filter_map({
                     let range = range.clone();
                     move |bp| {
-                        if let Some(range) = &range {
-                            if bp.position().cmp(&range.start, buffer_snapshot).is_lt()
-                                || bp.position().cmp(&range.end, buffer_snapshot).is_gt()
-                            {
-                                return None;
-                            }
+                        if let Some(range) = &range
+                            && (bp.position().cmp(&range.start, buffer_snapshot).is_lt()
+                                || bp.position().cmp(&range.end, buffer_snapshot).is_gt())
+                        {
+                            return None;
                         }
                         let session_state = active_session_id
                             .and_then(|id| bp.session_state.get(&id))
@@ -753,7 +752,7 @@ impl BreakpointStore {
                         .iter()
                         .map(|breakpoint| {
                             let position = snapshot
-                                .summary_for_anchor::<PointUtf16>(&breakpoint.position())
+                                .summary_for_anchor::<PointUtf16>(breakpoint.position())
                                 .row;
                             let breakpoint = &breakpoint.bp;
                             SourceBreakpoint {
@@ -832,7 +831,6 @@ impl BreakpointStore {
                     new_breakpoints.insert(path, breakpoints_for_file);
                 }
                 this.update(cx, |this, cx| {
-                    log::info!("Finish deserializing breakpoints & initializing breakpoint store");
                     for (path, count) in new_breakpoints.iter().map(|(path, bp_in_file)| {
                         (path.to_string_lossy(), bp_in_file.breakpoints.len())
                     }) {
@@ -906,7 +904,7 @@ impl BreakpointState {
     }
 
     #[inline]
-    pub fn to_int(&self) -> i32 {
+    pub fn to_int(self) -> i32 {
         match self {
             BreakpointState::Enabled => 0,
             BreakpointState::Disabled => 1,
diff --git a/crates/project/src/debugger/dap_command.rs b/crates/project/src/debugger/dap_command.rs
index 3be3192369..772ff2dcfe 100644
--- a/crates/project/src/debugger/dap_command.rs
+++ b/crates/project/src/debugger/dap_command.rs
@@ -1454,7 +1454,7 @@ impl DapCommand for EvaluateCommand {
             variables_reference: message.variable_reference,
             named_variables: message.named_variables,
             indexed_variables: message.indexed_variables,
-            memory_reference: message.memory_reference.clone(),
+            memory_reference: message.memory_reference,
             value_location_reference: None, //TODO
         })
     }
diff --git a/crates/project/src/debugger/dap_store.rs b/crates/project/src/debugger/dap_store.rs
index 6f834b5dc0..2906c32ff4 100644
--- a/crates/project/src/debugger/dap_store.rs
+++ b/crates/project/src/debugger/dap_store.rs
@@ -34,7 +34,7 @@ use http_client::HttpClient;
 use language::{Buffer, LanguageToolchainStore, language_settings::InlayHintKind};
 use node_runtime::NodeRuntime;
 
-use remote::{SshRemoteClient, ssh_session::SshArgs};
+use remote::{SshInfo, SshRemoteClient, ssh_session::SshArgs};
 use rpc::{
     AnyProtoClient, TypedEnvelope,
     proto::{self},
@@ -215,7 +215,7 @@ impl DapStore {
                     dap_settings.and_then(|s| s.binary.as_ref().map(PathBuf::from));
                 let user_args = dap_settings.map(|s| s.args.clone());
 
-                let delegate = self.delegate(&worktree, console, cx);
+                let delegate = self.delegate(worktree, console, cx);
                 let cwd: Arc<Path> = worktree.read(cx).abs_path().as_ref().into();
 
                 cx.spawn(async move |this, cx| {
@@ -254,14 +254,18 @@ impl DapStore {
                 cx.spawn(async move |_, cx| {
                     let response = request.await?;
                     let binary = DebugAdapterBinary::from_proto(response)?;
-                    let (mut ssh_command, envs, path_style) =
+                    let (mut ssh_command, envs, path_style, ssh_shell) =
                         ssh_client.read_with(cx, |ssh, _| {
-                            let (SshArgs { arguments, envs }, path_style) =
-                                ssh.ssh_info().context("SSH arguments not found")?;
+                            let SshInfo {
+                                args: SshArgs { arguments, envs },
+                                path_style,
+                                shell,
+                            } = ssh.ssh_info().context("SSH arguments not found")?;
                             anyhow::Ok((
                                 SshCommand { arguments },
                                 envs.unwrap_or_default(),
                                 path_style,
+                                shell,
                             ))
                         })??;
 
@@ -280,6 +284,7 @@ impl DapStore {
                     }
 
                     let (program, args) = wrap_for_ssh(
+                        &ssh_shell,
                         &ssh_command,
                         binary
                             .command
@@ -470,9 +475,8 @@ impl DapStore {
         session_id: impl Borrow<SessionId>,
     ) -> Option<Entity<session::Session>> {
         let session_id = session_id.borrow();
-        let client = self.sessions.get(session_id).cloned();
 
-        client
+        self.sessions.get(session_id).cloned()
     }
     pub fn sessions(&self) -> impl Iterator<Item = &Entity<Session>> {
         self.sessions.values()
@@ -685,7 +689,7 @@ impl DapStore {
             let shutdown_id = parent_session.update(cx, |parent_session, _| {
                 parent_session.remove_child_session_id(session_id);
 
-                if parent_session.child_session_ids().len() == 0 {
+                if parent_session.child_session_ids().is_empty() {
                     Some(parent_session.session_id())
                 } else {
                     None
@@ -702,7 +706,7 @@ impl DapStore {
         cx.emit(DapStoreEvent::DebugClientShutdown(session_id));
 
         cx.background_spawn(async move {
-            if shutdown_children.len() > 0 {
+            if !shutdown_children.is_empty() {
                 let _ = join_all(shutdown_children).await;
             }
 
@@ -722,7 +726,7 @@ impl DapStore {
         downstream_client: AnyProtoClient,
         _: &mut Context<Self>,
     ) {
-        self.downstream_client = Some((downstream_client.clone(), project_id));
+        self.downstream_client = Some((downstream_client, project_id));
     }
 
     pub fn unshared(&mut self, cx: &mut Context<Self>) {
@@ -902,7 +906,7 @@ impl dap::adapters::DapDelegate for DapAdapterDelegate {
     }
 
     fn worktree_root_path(&self) -> &Path {
-        &self.worktree.abs_path()
+        self.worktree.abs_path()
     }
     fn http_client(&self) -> Arc<dyn HttpClient> {
         self.http_client.clone()
diff --git a/crates/project/src/debugger/locators/cargo.rs b/crates/project/src/debugger/locators/cargo.rs
index fa265dae58..b2f9580f9c 100644
--- a/crates/project/src/debugger/locators/cargo.rs
+++ b/crates/project/src/debugger/locators/cargo.rs
@@ -117,7 +117,7 @@ impl DapLocator for CargoLocator {
             .cwd
             .clone()
             .context("Couldn't get cwd from debug config which is needed for locators")?;
-        let builder = ShellBuilder::new(true, &build_config.shell).non_interactive();
+        let builder = ShellBuilder::new(None, &build_config.shell).non_interactive();
         let (program, args) = builder.build(
             Some("cargo".into()),
             &build_config
@@ -126,7 +126,7 @@ impl DapLocator for CargoLocator {
                 .cloned()
                 .take_while(|arg| arg != "--")
                 .chain(Some("--message-format=json".to_owned()))
-                .collect(),
+                .collect::<Vec<_>>(),
         );
         let mut child = util::command::new_smol_command(program)
             .args(args)
@@ -146,7 +146,7 @@ impl DapLocator for CargoLocator {
         let is_test = build_config
             .args
             .first()
-            .map_or(false, |arg| arg == "test" || arg == "t");
+            .is_some_and(|arg| arg == "test" || arg == "t");
 
         let executables = output
             .lines()
@@ -187,12 +187,12 @@ impl DapLocator for CargoLocator {
                 .cloned();
         }
         let executable = {
-            if let Some(ref name) = test_name.as_ref().and_then(|name| {
+            if let Some(name) = test_name.as_ref().and_then(|name| {
                 name.strip_prefix('$')
                     .map(|name| build_config.env.get(name))
                     .unwrap_or(Some(name))
             }) {
-                find_best_executable(&executables, &name).await
+                find_best_executable(&executables, name).await
             } else {
                 None
             }
diff --git a/crates/project/src/debugger/locators/go.rs b/crates/project/src/debugger/locators/go.rs
index 61436fce8f..eec06084ec 100644
--- a/crates/project/src/debugger/locators/go.rs
+++ b/crates/project/src/debugger/locators/go.rs
@@ -174,7 +174,7 @@ impl DapLocator for GoLocator {
                     request: "launch".to_string(),
                     mode: "test".to_string(),
                     program,
-                    args: args,
+                    args,
                     build_flags,
                     cwd: build_config.cwd.clone(),
                     env: build_config.env.clone(),
@@ -185,7 +185,7 @@ impl DapLocator for GoLocator {
                     label: resolved_label.to_string().into(),
                     adapter: adapter.0.clone(),
                     build: None,
-                    config: config,
+                    config,
                     tcp_connection: None,
                 })
             }
@@ -220,7 +220,7 @@ impl DapLocator for GoLocator {
                     request: "launch".to_string(),
                     mode: "debug".to_string(),
                     program,
-                    args: args,
+                    args,
                     build_flags,
                 })
                 .unwrap();
diff --git a/crates/project/src/debugger/locators/python.rs b/crates/project/src/debugger/locators/python.rs
index 3de1281aed..71efbb75b9 100644
--- a/crates/project/src/debugger/locators/python.rs
+++ b/crates/project/src/debugger/locators/python.rs
@@ -28,9 +28,7 @@ impl DapLocator for PythonLocator {
         let valid_program = build_config.command.starts_with("$ZED_")
             || Path::new(&build_config.command)
                 .file_name()
-                .map_or(false, |name| {
-                    name.to_str().is_some_and(|path| path.starts_with("python"))
-                });
+                .is_some_and(|name| name.to_str().is_some_and(|path| path.starts_with("python")));
         if !valid_program || build_config.args.iter().any(|arg| arg == "-c") {
             // We cannot debug selections.
             return None;
diff --git a/crates/project/src/debugger/memory.rs b/crates/project/src/debugger/memory.rs
index fec3c344c5..42ad64e688 100644
--- a/crates/project/src/debugger/memory.rs
+++ b/crates/project/src/debugger/memory.rs
@@ -3,6 +3,7 @@
 //! Each byte in memory can either be mapped or unmapped. We try to mimic that twofold:
 //! - We assume that the memory is divided into pages of a fixed size.
 //! - We assume that each page can be either mapped or unmapped.
+//!
 //! These two assumptions drive the shape of the memory representation.
 //! In particular, we want the unmapped pages to be represented without allocating any memory, as *most*
 //! of the memory in a program space is usually unmapped.
@@ -165,8 +166,8 @@ impl Memory {
 /// - If it succeeds/fails wholesale, cool; we have no unknown memory regions in this page.
 /// - If it succeeds partially, we know # of mapped bytes.
 ///   We might also know the # of unmapped bytes.
-/// However, we're still unsure about what's *after* the unreadable region.
 ///
+/// However, we're still unsure about what's *after* the unreadable region.
 /// This is where this builder comes in. It lets us track the state of figuring out contents of a single page.
 pub(super) struct MemoryPageBuilder {
     chunks: MappedPageContents,
@@ -318,19 +319,18 @@ impl Iterator for MemoryIterator {
             return None;
         }
         if let Some((current_page_address, current_memory_chunk)) = self.current_known_page.as_mut()
+            && current_page_address.0 <= self.start
         {
-            if current_page_address.0 <= self.start {
-                if let Some(next_cell) = current_memory_chunk.next() {
-                    self.start += 1;
-                    return Some(next_cell);
-                } else {
-                    self.current_known_page.take();
-                }
+            if let Some(next_cell) = current_memory_chunk.next() {
+                self.start += 1;
+                return Some(next_cell);
+            } else {
+                self.current_known_page.take();
             }
         }
         if !self.fetch_next_page() {
             self.start += 1;
-            return Some(MemoryCell(None));
+            Some(MemoryCell(None))
         } else {
             self.next()
         }
diff --git a/crates/project/src/debugger/session.rs b/crates/project/src/debugger/session.rs
index f60a7becf7..81cb3ade2e 100644
--- a/crates/project/src/debugger/session.rs
+++ b/crates/project/src/debugger/session.rs
@@ -56,7 +56,7 @@ use std::{
 };
 use task::TaskContext;
 use text::{PointUtf16, ToPointUtf16};
-use util::{ResultExt, maybe};
+use util::{ResultExt, debug_panic, maybe};
 use worktree::Worktree;
 
 #[derive(Debug, Copy, Clone, Hash, PartialEq, PartialOrd, Ord, Eq)]
@@ -141,7 +141,10 @@ pub struct DataBreakpointState {
 }
 
 pub enum SessionState {
-    Building(Option<Task<Result<()>>>),
+    /// Represents a session that is building/initializing
+    /// even if a session doesn't have a pre build task this state
+    /// is used to run all the async tasks that are required to start the session
+    Booting(Option<Task<Result<()>>>),
     Running(RunningMode),
 }
 
@@ -223,7 +226,7 @@ impl RunningMode {
 
     fn unset_breakpoints_from_paths(&self, paths: &Vec<Arc<Path>>, cx: &mut App) -> Task<()> {
         let tasks: Vec<_> = paths
-            .into_iter()
+            .iter()
             .map(|path| {
                 self.request(dap_command::SetBreakpoints {
                     source: client_source(path),
@@ -428,7 +431,7 @@ impl RunningMode {
         let should_send_exception_breakpoints = capabilities
             .exception_breakpoint_filters
             .as_ref()
-            .map_or(false, |filters| !filters.is_empty())
+            .is_some_and(|filters| !filters.is_empty())
             || !configuration_done_supported;
         let supports_exception_filters = capabilities
             .supports_exception_filter_options
@@ -505,13 +508,12 @@ impl RunningMode {
                         .ok();
                 }
 
-                let ret = if configuration_done_supported {
+                if configuration_done_supported {
                     this.request(ConfigurationDone {})
                 } else {
                     Task::ready(Ok(()))
                 }
-                .await;
-                ret
+                .await
             }
         });
 
@@ -574,7 +576,7 @@ impl SessionState {
     {
         match self {
             SessionState::Running(debug_adapter_client) => debug_adapter_client.request(request),
-            SessionState::Building(_) => Task::ready(Err(anyhow!(
+            SessionState::Booting(_) => Task::ready(Err(anyhow!(
                 "no adapter running to send request: {request:?}"
             ))),
         }
@@ -583,7 +585,7 @@ impl SessionState {
     /// Did this debug session stop at least once?
     pub(crate) fn has_ever_stopped(&self) -> bool {
         match self {
-            SessionState::Building(_) => false,
+            SessionState::Booting(_) => false,
             SessionState::Running(running_mode) => running_mode.has_ever_stopped,
         }
     }
@@ -707,9 +709,7 @@ where
     T: LocalDapCommand + PartialEq + Eq + Hash,
 {
     fn dyn_eq(&self, rhs: &dyn CacheableCommand) -> bool {
-        (rhs as &dyn Any)
-            .downcast_ref::<Self>()
-            .map_or(false, |rhs| self == rhs)
+        (rhs as &dyn Any).downcast_ref::<Self>() == Some(self)
     }
 
     fn dyn_hash(&self, mut hasher: &mut dyn Hasher) {
@@ -838,8 +838,8 @@ impl Session {
             })
             .detach();
 
-            let this = Self {
-                mode: SessionState::Building(None),
+            Self {
+                mode: SessionState::Booting(None),
                 id: session_id,
                 child_session_ids: HashSet::default(),
                 parent_session,
@@ -867,9 +867,7 @@ impl Session {
                 task_context,
                 memory: memory::Memory::new(),
                 quirks,
-            };
-
-            this
+            }
         })
     }
 
@@ -879,7 +877,7 @@ impl Session {
 
     pub fn worktree(&self) -> Option<Entity<Worktree>> {
         match &self.mode {
-            SessionState::Building(_) => None,
+            SessionState::Booting(_) => None,
             SessionState::Running(local_mode) => local_mode.worktree.upgrade(),
         }
     }
@@ -940,14 +938,12 @@ impl Session {
             .await?;
             this.update(cx, |this, cx| {
                 match &mut this.mode {
-                    SessionState::Building(task) if task.is_some() => {
+                    SessionState::Booting(task) if task.is_some() => {
                         task.take().unwrap().detach_and_log_err(cx);
                     }
-                    _ => {
-                        debug_assert!(
-                            this.parent_session.is_some(),
-                            "Booting a root debug session without a boot task"
-                        );
+                    SessionState::Booting(_) => {}
+                    SessionState::Running(_) => {
+                        debug_panic!("Attempting to boot a session that is already running");
                     }
                 };
                 this.mode = SessionState::Running(mode);
@@ -1043,7 +1039,7 @@ impl Session {
 
     pub fn binary(&self) -> Option<&DebugAdapterBinary> {
         match &self.mode {
-            SessionState::Building(_) => None,
+            SessionState::Booting(_) => None,
             SessionState::Running(running_mode) => Some(&running_mode.binary),
         }
     }
@@ -1084,31 +1080,31 @@ impl Session {
         })
         .detach();
 
-        return tx;
+        tx
     }
 
     pub fn is_started(&self) -> bool {
         match &self.mode {
-            SessionState::Building(_) => false,
+            SessionState::Booting(_) => false,
             SessionState::Running(running) => running.is_started,
         }
     }
 
     pub fn is_building(&self) -> bool {
-        matches!(self.mode, SessionState::Building(_))
+        matches!(self.mode, SessionState::Booting(_))
     }
 
     pub fn as_running_mut(&mut self) -> Option<&mut RunningMode> {
         match &mut self.mode {
             SessionState::Running(local_mode) => Some(local_mode),
-            SessionState::Building(_) => None,
+            SessionState::Booting(_) => None,
         }
     }
 
     pub fn as_running(&self) -> Option<&RunningMode> {
         match &self.mode {
             SessionState::Running(local_mode) => Some(local_mode),
-            SessionState::Building(_) => None,
+            SessionState::Booting(_) => None,
         }
     }
 
@@ -1302,7 +1298,7 @@ impl Session {
             SessionState::Running(local_mode) => {
                 local_mode.initialize_sequence(&self.capabilities, initialize_rx, dap_store, cx)
             }
-            SessionState::Building(_) => {
+            SessionState::Booting(_) => {
                 Task::ready(Err(anyhow!("cannot initialize, still building")))
             }
         }
@@ -1339,7 +1335,7 @@ impl Session {
                 })
                 .detach();
             }
-            SessionState::Building(_) => {}
+            SessionState::Booting(_) => {}
         }
     }
 
@@ -1398,7 +1394,7 @@ impl Session {
         let breakpoint_store = self.breakpoint_store.clone();
         if let Some((local, path)) = self.as_running_mut().and_then(|local| {
             let breakpoint = local.tmp_breakpoint.take()?;
-            let path = breakpoint.path.clone();
+            let path = breakpoint.path;
             Some((local, path))
         }) {
             local
@@ -1629,7 +1625,7 @@ impl Session {
         + 'static,
         cx: &mut Context<Self>,
     ) -> Task<Option<T::Response>> {
-        if !T::is_supported(&capabilities) {
+        if !T::is_supported(capabilities) {
             log::warn!(
                 "Attempted to send a DAP request that isn't supported: {:?}",
                 request
@@ -1687,7 +1683,7 @@ impl Session {
         self.requests
             .entry((&*key.0 as &dyn Any).type_id())
             .and_modify(|request_map| {
-                request_map.remove(&key);
+                request_map.remove(key);
             });
     }
 
@@ -1714,7 +1710,7 @@ impl Session {
 
                 this.threads = result
                     .into_iter()
-                    .map(|thread| (ThreadId(thread.id), Thread::from(thread.clone())))
+                    .map(|thread| (ThreadId(thread.id), Thread::from(thread)))
                     .collect();
 
                 this.invalidate_command_type::<StackTraceCommand>();
@@ -2145,7 +2141,7 @@ impl Session {
                     )
                 }
             }
-            SessionState::Building(build_task) => {
+            SessionState::Booting(build_task) => {
                 build_task.take();
                 Task::ready(Some(()))
             }
@@ -2199,7 +2195,7 @@ impl Session {
     pub fn adapter_client(&self) -> Option<Arc<DebugAdapterClient>> {
         match self.mode {
             SessionState::Running(ref local) => Some(local.client.clone()),
-            SessionState::Building(_) => None,
+            SessionState::Booting(_) => None,
         }
     }
 
@@ -2557,10 +2553,7 @@ impl Session {
         mode: Option<String>,
         cx: &mut Context<Self>,
     ) -> Task<Option<dap::DataBreakpointInfoResponse>> {
-        let command = DataBreakpointInfoCommand {
-            context: context.clone(),
-            mode,
-        };
+        let command = DataBreakpointInfoCommand { context, mode };
 
         self.request(command, |_, response, _| response.ok(), cx)
     }
diff --git a/crates/project/src/debugger/test.rs b/crates/project/src/debugger/test.rs
index 3b9425e369..53b88323e6 100644
--- a/crates/project/src/debugger/test.rs
+++ b/crates/project/src/debugger/test.rs
@@ -1,7 +1,7 @@
 use std::{path::Path, sync::Arc};
 
 use dap::client::DebugAdapterClient;
-use gpui::{App, AppContext, Subscription};
+use gpui::{App, Subscription};
 
 use super::session::{Session, SessionStateEvent};
 
@@ -19,14 +19,6 @@ pub fn intercept_debug_sessions<T: Fn(&Arc<DebugAdapterClient>) + 'static>(
                     let client = session.adapter_client().unwrap();
                     register_default_handlers(session, &client, cx);
                     configure(&client);
-                    cx.background_spawn(async move {
-                        client
-                            .fake_event(dap::messages::Events::Initialized(
-                                Some(Default::default()),
-                            ))
-                            .await
-                    })
-                    .detach();
                 }
             })
             .detach();
diff --git a/crates/project/src/environment.rs b/crates/project/src/environment.rs
index 7379a7ef72..d109e307a8 100644
--- a/crates/project/src/environment.rs
+++ b/crates/project/src/environment.rs
@@ -198,7 +198,7 @@ async fn load_directory_shell_environment(
                 );
             };
 
-            load_shell_environment(&dir, load_direnv).await
+            load_shell_environment(dir, load_direnv).await
         }
         Err(err) => (
             None,
diff --git a/crates/project/src/git_store.rs b/crates/project/src/git_store.rs
index 28dd0e91e3..5cf298a8bf 100644
--- a/crates/project/src/git_store.rs
+++ b/crates/project/src/git_store.rs
@@ -246,6 +246,8 @@ pub struct RepositorySnapshot {
     pub head_commit: Option<CommitDetails>,
     pub scan_id: u64,
     pub merge: MergeDetails,
+    pub remote_origin_url: Option<String>,
+    pub remote_upstream_url: Option<String>,
 }
 
 type JobId = u64;
@@ -412,6 +414,7 @@ impl GitStore {
     pub fn init(client: &AnyProtoClient) {
         client.add_entity_request_handler(Self::handle_get_remotes);
         client.add_entity_request_handler(Self::handle_get_branches);
+        client.add_entity_request_handler(Self::handle_get_default_branch);
         client.add_entity_request_handler(Self::handle_change_branch);
         client.add_entity_request_handler(Self::handle_create_branch);
         client.add_entity_request_handler(Self::handle_git_init);
@@ -439,6 +442,7 @@ impl GitStore {
         client.add_entity_request_handler(Self::handle_blame_buffer);
         client.add_entity_message_handler(Self::handle_update_repository);
         client.add_entity_message_handler(Self::handle_remove_repository);
+        client.add_entity_request_handler(Self::handle_git_clone);
     }
 
     pub fn is_local(&self) -> bool {
@@ -557,7 +561,7 @@ impl GitStore {
     pub fn active_repository(&self) -> Option<Entity<Repository>> {
         self.active_repo_id
             .as_ref()
-            .map(|id| self.repositories[&id].clone())
+            .map(|id| self.repositories[id].clone())
     }
 
     pub fn open_unstaged_diff(
@@ -566,23 +570,22 @@ impl GitStore {
         cx: &mut Context<Self>,
     ) -> Task<Result<Entity<BufferDiff>>> {
         let buffer_id = buffer.read(cx).remote_id();
-        if let Some(diff_state) = self.diffs.get(&buffer_id) {
-            if let Some(unstaged_diff) = diff_state
+        if let Some(diff_state) = self.diffs.get(&buffer_id)
+            && let Some(unstaged_diff) = diff_state
                 .read(cx)
                 .unstaged_diff
                 .as_ref()
                 .and_then(|weak| weak.upgrade())
+        {
+            if let Some(task) =
+                diff_state.update(cx, |diff_state, _| diff_state.wait_for_recalculation())
             {
-                if let Some(task) =
-                    diff_state.update(cx, |diff_state, _| diff_state.wait_for_recalculation())
-                {
-                    return cx.background_executor().spawn(async move {
-                        task.await;
-                        Ok(unstaged_diff)
-                    });
-                }
-                return Task::ready(Ok(unstaged_diff));
+                return cx.background_executor().spawn(async move {
+                    task.await;
+                    Ok(unstaged_diff)
+                });
             }
+            return Task::ready(Ok(unstaged_diff));
         }
 
         let Some((repo, repo_path)) =
@@ -623,23 +626,22 @@ impl GitStore {
     ) -> Task<Result<Entity<BufferDiff>>> {
         let buffer_id = buffer.read(cx).remote_id();
 
-        if let Some(diff_state) = self.diffs.get(&buffer_id) {
-            if let Some(uncommitted_diff) = diff_state
+        if let Some(diff_state) = self.diffs.get(&buffer_id)
+            && let Some(uncommitted_diff) = diff_state
                 .read(cx)
                 .uncommitted_diff
                 .as_ref()
                 .and_then(|weak| weak.upgrade())
+        {
+            if let Some(task) =
+                diff_state.update(cx, |diff_state, _| diff_state.wait_for_recalculation())
             {
-                if let Some(task) =
-                    diff_state.update(cx, |diff_state, _| diff_state.wait_for_recalculation())
-                {
-                    return cx.background_executor().spawn(async move {
-                        task.await;
-                        Ok(uncommitted_diff)
-                    });
-                }
-                return Task::ready(Ok(uncommitted_diff));
+                return cx.background_executor().spawn(async move {
+                    task.await;
+                    Ok(uncommitted_diff)
+                });
             }
+            return Task::ready(Ok(uncommitted_diff));
         }
 
         let Some((repo, repo_path)) =
@@ -760,29 +762,26 @@ impl GitStore {
         log::debug!("open conflict set");
         let buffer_id = buffer.read(cx).remote_id();
 
-        if let Some(git_state) = self.diffs.get(&buffer_id) {
-            if let Some(conflict_set) = git_state
+        if let Some(git_state) = self.diffs.get(&buffer_id)
+            && let Some(conflict_set) = git_state
                 .read(cx)
                 .conflict_set
                 .as_ref()
                 .and_then(|weak| weak.upgrade())
-            {
-                let conflict_set = conflict_set.clone();
-                let buffer_snapshot = buffer.read(cx).text_snapshot();
+        {
+            let conflict_set = conflict_set;
+            let buffer_snapshot = buffer.read(cx).text_snapshot();
 
-                git_state.update(cx, |state, cx| {
-                    let _ = state.reparse_conflict_markers(buffer_snapshot, cx);
-                });
+            git_state.update(cx, |state, cx| {
+                let _ = state.reparse_conflict_markers(buffer_snapshot, cx);
+            });
 
-                return conflict_set;
-            }
+            return conflict_set;
         }
 
         let is_unmerged = self
             .repository_and_path_for_buffer_id(buffer_id, cx)
-            .map_or(false, |(repo, path)| {
-                repo.read(cx).snapshot.has_conflict(&path)
-            });
+            .is_some_and(|(repo, path)| repo.read(cx).snapshot.has_conflict(&path));
         let git_store = cx.weak_entity();
         let buffer_git_state = self
             .diffs
@@ -913,7 +912,7 @@ impl GitStore {
             return Task::ready(Err(anyhow!("failed to find a git repository for buffer")));
         };
         let content = match &version {
-            Some(version) => buffer.rope_for_version(version).clone(),
+            Some(version) => buffer.rope_for_version(version),
             None => buffer.as_rope().clone(),
         };
         let version = version.unwrap_or(buffer.version());
@@ -1147,29 +1146,26 @@ impl GitStore {
         for (buffer_id, diff) in self.diffs.iter() {
             if let Some((buffer_repo, repo_path)) =
                 self.repository_and_path_for_buffer_id(*buffer_id, cx)
+                && buffer_repo == repo
             {
-                if buffer_repo == repo {
-                    diff.update(cx, |diff, cx| {
-                        if let Some(conflict_set) = &diff.conflict_set {
-                            let conflict_status_changed =
-                                conflict_set.update(cx, |conflict_set, cx| {
-                                    let has_conflict = repo_snapshot.has_conflict(&repo_path);
-                                    conflict_set.set_has_conflict(has_conflict, cx)
-                                })?;
-                            if conflict_status_changed {
-                                let buffer_store = self.buffer_store.read(cx);
-                                if let Some(buffer) = buffer_store.get(*buffer_id) {
-                                    let _ = diff.reparse_conflict_markers(
-                                        buffer.read(cx).text_snapshot(),
-                                        cx,
-                                    );
-                                }
+                diff.update(cx, |diff, cx| {
+                    if let Some(conflict_set) = &diff.conflict_set {
+                        let conflict_status_changed =
+                            conflict_set.update(cx, |conflict_set, cx| {
+                                let has_conflict = repo_snapshot.has_conflict(&repo_path);
+                                conflict_set.set_has_conflict(has_conflict, cx)
+                            })?;
+                        if conflict_status_changed {
+                            let buffer_store = self.buffer_store.read(cx);
+                            if let Some(buffer) = buffer_store.get(*buffer_id) {
+                                let _ = diff
+                                    .reparse_conflict_markers(buffer.read(cx).text_snapshot(), cx);
                             }
                         }
-                        anyhow::Ok(())
-                    })
-                    .ok();
-                }
+                    }
+                    anyhow::Ok(())
+                })
+                .ok();
             }
         }
         cx.emit(GitStoreEvent::RepositoryUpdated(
@@ -1273,7 +1269,7 @@ impl GitStore {
     ) {
         match event {
             BufferStoreEvent::BufferAdded(buffer) => {
-                cx.subscribe(&buffer, |this, buffer, event, cx| {
+                cx.subscribe(buffer, |this, buffer, event, cx| {
                     if let BufferEvent::LanguageChanged = event {
                         let buffer_id = buffer.read(cx).remote_id();
                         if let Some(diff_state) = this.diffs.get(&buffer_id) {
@@ -1291,7 +1287,7 @@ impl GitStore {
                 }
             }
             BufferStoreEvent::BufferDropped(buffer_id) => {
-                self.diffs.remove(&buffer_id);
+                self.diffs.remove(buffer_id);
                 for diffs in self.shared_diffs.values_mut() {
                     diffs.remove(buffer_id);
                 }
@@ -1380,8 +1376,8 @@ impl GitStore {
             repository.update(cx, |repository, cx| {
                 let repo_abs_path = &repository.work_directory_abs_path;
                 if changed_repos.iter().any(|update| {
-                    update.old_work_directory_abs_path.as_ref() == Some(&repo_abs_path)
-                        || update.new_work_directory_abs_path.as_ref() == Some(&repo_abs_path)
+                    update.old_work_directory_abs_path.as_ref() == Some(repo_abs_path)
+                        || update.new_work_directory_abs_path.as_ref() == Some(repo_abs_path)
                 }) {
                     repository.reload_buffer_diff_bases(cx);
                 }
@@ -1462,6 +1458,45 @@ impl GitStore {
         }
     }
 
+    pub fn git_clone(
+        &self,
+        repo: String,
+        path: impl Into<Arc<std::path::Path>>,
+        cx: &App,
+    ) -> Task<Result<()>> {
+        let path = path.into();
+        match &self.state {
+            GitStoreState::Local { fs, .. } => {
+                let fs = fs.clone();
+                cx.background_executor()
+                    .spawn(async move { fs.git_clone(&repo, &path).await })
+            }
+            GitStoreState::Ssh {
+                upstream_client,
+                upstream_project_id,
+                ..
+            } => {
+                let request = upstream_client.request(proto::GitClone {
+                    project_id: upstream_project_id.0,
+                    abs_path: path.to_string_lossy().to_string(),
+                    remote_repo: repo,
+                });
+
+                cx.background_spawn(async move {
+                    let result = request.await?;
+
+                    match result.success {
+                        true => Ok(()),
+                        false => Err(anyhow!("Git Clone failed")),
+                    }
+                })
+            }
+            GitStoreState::Remote { .. } => {
+                Task::ready(Err(anyhow!("Git Clone isn't supported for remote users")))
+            }
+        }
+    }
+
     async fn handle_update_repository(
         this: Entity<Self>,
         envelope: TypedEnvelope<proto::UpdateRepository>,
@@ -1471,10 +1506,7 @@ impl GitStore {
             let mut update = envelope.payload;
 
             let id = RepositoryId::from_proto(update.id);
-            let client = this
-                .upstream_client()
-                .context("no upstream client")?
-                .clone();
+            let client = this.upstream_client().context("no upstream client")?;
 
             let mut is_new = false;
             let repo = this.repositories.entry(id).or_insert_with(|| {
@@ -1493,7 +1525,7 @@ impl GitStore {
             });
             if is_new {
                 this._subscriptions
-                    .push(cx.subscribe(&repo, Self::on_repository_event))
+                    .push(cx.subscribe(repo, Self::on_repository_event))
             }
 
             repo.update(cx, {
@@ -1548,6 +1580,22 @@ impl GitStore {
         Ok(proto::Ack {})
     }
 
+    async fn handle_git_clone(
+        this: Entity<Self>,
+        envelope: TypedEnvelope<proto::GitClone>,
+        cx: AsyncApp,
+    ) -> Result<proto::GitCloneResponse> {
+        let path: Arc<Path> = PathBuf::from(envelope.payload.abs_path).into();
+        let repo_name = envelope.payload.remote_repo;
+        let result = cx
+            .update(|cx| this.read(cx).git_clone(repo_name, path, cx))?
+            .await;
+
+        Ok(proto::GitCloneResponse {
+            success: result.is_ok(),
+        })
+    }
+
     async fn handle_fetch(
         this: Entity<Self>,
         envelope: TypedEnvelope<proto::Fetch>,
@@ -1836,6 +1884,23 @@ impl GitStore {
                 .collect::<Vec<_>>(),
         })
     }
+    async fn handle_get_default_branch(
+        this: Entity<Self>,
+        envelope: TypedEnvelope<proto::GetDefaultBranch>,
+        mut cx: AsyncApp,
+    ) -> Result<proto::GetDefaultBranchResponse> {
+        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
+        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
+
+        let branch = repository_handle
+            .update(&mut cx, |repository_handle, _| {
+                repository_handle.default_branch()
+            })?
+            .await??
+            .map(Into::into);
+
+        Ok(proto::GetDefaultBranchResponse { branch })
+    }
     async fn handle_create_branch(
         this: Entity<Self>,
         envelope: TypedEnvelope<proto::GitCreateBranch>,
@@ -2155,13 +2220,13 @@ impl GitStore {
     ) -> Result<()> {
         let buffer_id = BufferId::new(request.payload.buffer_id)?;
         this.update(&mut cx, |this, cx| {
-            if let Some(diff_state) = this.diffs.get_mut(&buffer_id) {
-                if let Some(buffer) = this.buffer_store.read(cx).get(buffer_id) {
-                    let buffer = buffer.read(cx).text_snapshot();
-                    diff_state.update(cx, |diff_state, cx| {
-                        diff_state.handle_base_texts_updated(buffer, request.payload, cx);
-                    })
-                }
+            if let Some(diff_state) = this.diffs.get_mut(&buffer_id)
+                && let Some(buffer) = this.buffer_store.read(cx).get(buffer_id)
+            {
+                let buffer = buffer.read(cx).text_snapshot();
+                diff_state.update(cx, |diff_state, cx| {
+                    diff_state.handle_base_texts_updated(buffer, request.payload, cx);
+                })
             }
         })
     }
@@ -2273,16 +2338,20 @@ impl GitStore {
                         return None;
                     };
 
-                    let mut paths = vec![];
+                    let mut paths = Vec::new();
                     // All paths prefixed by a given repo will constitute a continuous range.
                     while let Some(path) = entries.get(ix)
                         && let Some(repo_path) =
-                            RepositorySnapshot::abs_path_to_repo_path_inner(&repo_path, &path)
+                            RepositorySnapshot::abs_path_to_repo_path_inner(&repo_path, path)
                     {
                         paths.push((repo_path, ix));
                         ix += 1;
                     }
-                    Some((repo, paths))
+                    if paths.is_empty() {
+                        None
+                    } else {
+                        Some((repo, paths))
+                    }
                 });
                 tasks.push_back(task);
             }
@@ -2427,14 +2496,14 @@ impl BufferGitState {
     pub fn wait_for_recalculation(&mut self) -> Option<impl Future<Output = ()> + use<>> {
         if *self.recalculating_tx.borrow() {
             let mut rx = self.recalculating_tx.subscribe();
-            return Some(async move {
+            Some(async move {
                 loop {
                     let is_recalculating = rx.recv().await;
                     if is_recalculating != Some(true) {
                         break;
                     }
                 }
-            });
+            })
         } else {
             None
         }
@@ -2673,6 +2742,8 @@ impl RepositorySnapshot {
             head_commit: None,
             scan_id: 0,
             merge: Default::default(),
+            remote_origin_url: None,
+            remote_upstream_url: None,
         }
     }
 
@@ -2692,6 +2763,7 @@ impl RepositorySnapshot {
                 .iter()
                 .map(|repo_path| repo_path.to_proto())
                 .collect(),
+            merge_message: self.merge.message.as_ref().map(|msg| msg.to_string()),
             project_id,
             id: self.id.to_proto(),
             abs_path: self.work_directory_abs_path.to_proto(),
@@ -2754,6 +2826,7 @@ impl RepositorySnapshot {
                 .iter()
                 .map(|path| path.as_ref().to_proto())
                 .collect(),
+            merge_message: self.merge.message.as_ref().map(|msg| msg.to_string()),
             project_id,
             id: self.id.to_proto(),
             abs_path: self.work_directory_abs_path.to_proto(),
@@ -2793,15 +2866,15 @@ impl RepositorySnapshot {
     }
 
     pub fn had_conflict_on_last_merge_head_change(&self, repo_path: &RepoPath) -> bool {
-        self.merge.conflicted_paths.contains(&repo_path)
+        self.merge.conflicted_paths.contains(repo_path)
     }
 
     pub fn has_conflict(&self, repo_path: &RepoPath) -> bool {
         let had_conflict_on_last_merge_head_change =
-            self.merge.conflicted_paths.contains(&repo_path);
+            self.merge.conflicted_paths.contains(repo_path);
         let has_conflict_currently = self
-            .status_for_path(&repo_path)
-            .map_or(false, |entry| entry.status.is_conflicted());
+            .status_for_path(repo_path)
+            .is_some_and(|entry| entry.status.is_conflicted());
         had_conflict_on_last_merge_head_change || has_conflict_currently
     }
 
@@ -3342,7 +3415,6 @@ impl Repository {
         reset_mode: ResetMode,
         _cx: &mut App,
     ) -> oneshot::Receiver<Result<()>> {
-        let commit = commit.to_string();
         let id = self.id;
 
         self.send_job(None, move |git_repo, _| async move {
@@ -3449,14 +3521,13 @@ impl Repository {
                     let Some(project_path) = self.repo_path_to_project_path(path, cx) else {
                         continue;
                     };
-                    if let Some(buffer) = buffer_store.get_by_path(&project_path) {
-                        if buffer
+                    if let Some(buffer) = buffer_store.get_by_path(&project_path)
+                        && buffer
                             .read(cx)
                             .file()
-                            .map_or(false, |file| file.disk_state().exists())
-                        {
-                            save_futures.push(buffer_store.save_buffer(buffer, cx));
-                        }
+                            .is_some_and(|file| file.disk_state().exists())
+                    {
+                        save_futures.push(buffer_store.save_buffer(buffer, cx));
                     }
                 }
             })
@@ -3516,14 +3587,13 @@ impl Repository {
                     let Some(project_path) = self.repo_path_to_project_path(path, cx) else {
                         continue;
                     };
-                    if let Some(buffer) = buffer_store.get_by_path(&project_path) {
-                        if buffer
+                    if let Some(buffer) = buffer_store.get_by_path(&project_path)
+                        && buffer
                             .read(cx)
                             .file()
-                            .map_or(false, |file| file.disk_state().exists())
-                        {
-                            save_futures.push(buffer_store.save_buffer(buffer, cx));
-                        }
+                            .is_some_and(|file| file.disk_state().exists())
+                    {
+                        save_futures.push(buffer_store.save_buffer(buffer, cx));
                     }
                 }
             })
@@ -3570,7 +3640,7 @@ impl Repository {
         let to_stage = self
             .cached_status()
             .filter(|entry| !entry.status.staging().is_fully_staged())
-            .map(|entry| entry.repo_path.clone())
+            .map(|entry| entry.repo_path)
             .collect();
         self.stage_entries(to_stage, cx)
     }
@@ -3579,16 +3649,13 @@ impl Repository {
         let to_unstage = self
             .cached_status()
             .filter(|entry| entry.status.staging().has_staged())
-            .map(|entry| entry.repo_path.clone())
+            .map(|entry| entry.repo_path)
             .collect();
         self.unstage_entries(to_unstage, cx)
     }
 
     pub fn stash_all(&mut self, cx: &mut Context<Self>) -> Task<anyhow::Result<()>> {
-        let to_stash = self
-            .cached_status()
-            .map(|entry| entry.repo_path.clone())
-            .collect();
+        let to_stash = self.cached_status().map(|entry| entry.repo_path).collect();
 
         self.stash_entries(to_stash, cx)
     }
@@ -4025,6 +4092,25 @@ impl Repository {
         })
     }
 
+    pub fn default_branch(&mut self) -> oneshot::Receiver<Result<Option<SharedString>>> {
+        let id = self.id;
+        self.send_job(None, move |repo, _| async move {
+            match repo {
+                RepositoryState::Local { backend, .. } => backend.default_branch().await,
+                RepositoryState::Remote { project_id, client } => {
+                    let response = client
+                        .request(proto::GetDefaultBranch {
+                            project_id: project_id.0,
+                            repository_id: id.to_proto(),
+                        })
+                        .await?;
+
+                    anyhow::Ok(response.branch.map(SharedString::from))
+                }
+            }
+        })
+    }
+
     pub fn diff(&mut self, diff_type: DiffType, _cx: &App) -> oneshot::Receiver<Result<String>> {
         let id = self.id;
         self.send_job(None, move |repo, _cx| async move {
@@ -4165,6 +4251,7 @@ impl Repository {
             .map(proto_to_commit_details);
 
         self.snapshot.merge.conflicted_paths = conflicted_paths;
+        self.snapshot.merge.message = update.merge_message.map(SharedString::from);
 
         let edits = update
             .removed_statuses
@@ -4241,7 +4328,8 @@ impl Repository {
                     bail!("not a local repository")
                 };
                 let (snapshot, events) = this
-                    .read_with(&mut cx, |this, _| {
+                    .update(&mut cx, |this, _| {
+                        this.paths_needing_status_update.clear();
                         compute_snapshot(
                             this.id,
                             this.work_directory_abs_path.clone(),
@@ -4316,14 +4404,13 @@ impl Repository {
                 }
 
                 if let Some(job) = jobs.pop_front() {
-                    if let Some(current_key) = &job.key {
-                        if jobs
+                    if let Some(current_key) = &job.key
+                        && jobs
                             .iter()
                             .any(|other_job| other_job.key.as_ref() == Some(current_key))
                         {
                             continue;
                         }
-                    }
                     (job.job)(state.clone(), cx).await;
                 } else if let Some(job) = job_rx.next().await {
                     jobs.push_back(job);
@@ -4354,13 +4441,12 @@ impl Repository {
                 }
 
                 if let Some(job) = jobs.pop_front() {
-                    if let Some(current_key) = &job.key {
-                        if jobs
+                    if let Some(current_key) = &job.key
+                        && jobs
                             .iter()
                             .any(|other_job| other_job.key.as_ref() == Some(current_key))
-                        {
-                            continue;
-                        }
+                    {
+                        continue;
                     }
                     (job.job)(state.clone(), cx).await;
                 } else if let Some(job) = job_rx.next().await {
@@ -4471,6 +4557,9 @@ impl Repository {
                 };
 
                 let paths = changed_paths.iter().cloned().collect::<Vec<_>>();
+                if paths.is_empty() {
+                    return Ok(());
+                }
                 let statuses = backend.status(&paths).await?;
 
                 let changed_path_statuses = cx
@@ -4481,10 +4570,10 @@ impl Repository {
 
                         for (repo_path, status) in &*statuses.entries {
                             changed_paths.remove(repo_path);
-                            if cursor.seek_forward(&PathTarget::Path(repo_path), Bias::Left) {
-                                if cursor.item().is_some_and(|entry| entry.status == *status) {
-                                    continue;
-                                }
+                            if cursor.seek_forward(&PathTarget::Path(repo_path), Bias::Left)
+                                && cursor.item().is_some_and(|entry| entry.status == *status)
+                            {
+                                continue;
                             }
 
                             changed_path_statuses.push(Edit::Insert(StatusEntry {
@@ -4799,6 +4888,10 @@ async fn compute_snapshot(
         None => None,
     };
 
+    // Used by edit prediction data collection
+    let remote_origin_url = backend.remote_url("origin");
+    let remote_upstream_url = backend.remote_url("upstream");
+
     let snapshot = RepositorySnapshot {
         id,
         statuses_by_path,
@@ -4807,6 +4900,8 @@ async fn compute_snapshot(
         branch,
         head_commit,
         merge: merge_details,
+        remote_origin_url,
+        remote_upstream_url,
     };
 
     Ok((snapshot, events))
diff --git a/crates/project/src/git_store/conflict_set.rs b/crates/project/src/git_store/conflict_set.rs
index 27b191f65f..313a1e90ad 100644
--- a/crates/project/src/git_store/conflict_set.rs
+++ b/crates/project/src/git_store/conflict_set.rs
@@ -369,7 +369,7 @@ mod tests {
         .unindent();
 
         let buffer_id = BufferId::new(1).unwrap();
-        let buffer = Buffer::new(0, buffer_id, test_content.to_string());
+        let buffer = Buffer::new(0, buffer_id, test_content);
         let snapshot = buffer.snapshot();
 
         let conflict_snapshot = ConflictSet::parse(&snapshot);
@@ -400,7 +400,7 @@ mod tests {
             >>>>>>> "#
             .unindent();
         let buffer_id = BufferId::new(1).unwrap();
-        let buffer = Buffer::new(0, buffer_id, test_content.to_string());
+        let buffer = Buffer::new(0, buffer_id, test_content);
         let snapshot = buffer.snapshot();
 
         let conflict_snapshot = ConflictSet::parse(&snapshot);
@@ -653,7 +653,7 @@ mod tests {
 
         cx.run_until_parked();
         conflict_set.update(cx, |conflict_set, _| {
-            assert_eq!(conflict_set.has_conflict, false);
+            assert!(!conflict_set.has_conflict);
             assert_eq!(conflict_set.snapshot.conflicts.len(), 0);
         });
 
diff --git a/crates/project/src/git_store/git_traversal.rs b/crates/project/src/git_store/git_traversal.rs
index 777042cb02..eee492e482 100644
--- a/crates/project/src/git_store/git_traversal.rs
+++ b/crates/project/src/git_store/git_traversal.rs
@@ -42,8 +42,8 @@ impl<'a> GitTraversal<'a> {
         //   other_repo/
         //     .git/
         //   our_query.txt
-        let mut query = path.ancestors();
-        while let Some(query) = query.next() {
+        let query = path.ancestors();
+        for query in query {
             let (_, snapshot) = self
                 .repo_root_to_snapshot
                 .range(Path::new("")..=query)
@@ -110,11 +110,7 @@ impl<'a> GitTraversal<'a> {
     }
 
     pub fn advance(&mut self) -> bool {
-        self.advance_by(1)
-    }
-
-    pub fn advance_by(&mut self, count: usize) -> bool {
-        let found = self.traversal.advance_by(count);
+        let found = self.traversal.advance_by(1);
         self.synchronize_statuses(false);
         found
     }
@@ -186,11 +182,11 @@ impl<'a> Iterator for ChildEntriesGitIter<'a> {
     type Item = GitEntryRef<'a>;
 
     fn next(&mut self) -> Option<Self::Item> {
-        if let Some(item) = self.traversal.entry() {
-            if item.path.starts_with(self.parent_path) {
-                self.traversal.advance_to_sibling();
-                return Some(item);
-            }
+        if let Some(item) = self.traversal.entry()
+            && item.path.starts_with(self.parent_path)
+        {
+            self.traversal.advance_to_sibling();
+            return Some(item);
         }
         None
     }
@@ -203,7 +199,7 @@ pub struct GitEntryRef<'a> {
 }
 
 impl GitEntryRef<'_> {
-    pub fn to_owned(&self) -> GitEntry {
+    pub fn to_owned(self) -> GitEntry {
         GitEntry {
             entry: self.entry.clone(),
             git_summary: self.git_summary,
@@ -215,7 +211,7 @@ impl Deref for GitEntryRef<'_> {
     type Target = Entry;
 
     fn deref(&self) -> &Self::Target {
-        &self.entry
+        self.entry
     }
 }
 
diff --git a/crates/project/src/image_store.rs b/crates/project/src/image_store.rs
index 79f134b91a..e499d4e026 100644
--- a/crates/project/src/image_store.rs
+++ b/crates/project/src/image_store.rs
@@ -224,7 +224,7 @@ impl ProjectItem for ImageItem {
         path: &ProjectPath,
         cx: &mut App,
     ) -> Option<Task<anyhow::Result<Entity<Self>>>> {
-        if is_image_file(&project, &path, cx) {
+        if is_image_file(project, path, cx) {
             Some(cx.spawn({
                 let path = path.clone();
                 let project = project.clone();
@@ -244,7 +244,7 @@ impl ProjectItem for ImageItem {
     }
 
     fn project_path(&self, cx: &App) -> Option<ProjectPath> {
-        Some(self.project_path(cx).clone())
+        Some(self.project_path(cx))
     }
 
     fn is_dirty(&self) -> bool {
@@ -375,7 +375,6 @@ impl ImageStore {
                 let (mut tx, rx) = postage::watch::channel();
                 entry.insert(rx.clone());
 
-                let project_path = project_path.clone();
                 let load_image = self
                     .state
                     .open_image(project_path.path.clone(), worktree, cx);
@@ -446,15 +445,12 @@ impl ImageStore {
         event: &ImageItemEvent,
         cx: &mut Context<Self>,
     ) {
-        match event {
-            ImageItemEvent::FileHandleChanged => {
-                if let Some(local) = self.state.as_local() {
-                    local.update(cx, |local, cx| {
-                        local.image_changed_file(image, cx);
-                    })
-                }
-            }
-            _ => {}
+        if let ImageItemEvent::FileHandleChanged = event
+            && let Some(local) = self.state.as_local()
+        {
+            local.update(cx, |local, cx| {
+                local.image_changed_file(image, cx);
+            })
         }
     }
 }
@@ -531,13 +527,10 @@ impl ImageStoreImpl for Entity<LocalImageStore> {
 impl LocalImageStore {
     fn subscribe_to_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
         cx.subscribe(worktree, |this, worktree, event, cx| {
-            if worktree.read(cx).is_local() {
-                match event {
-                    worktree::Event::UpdatedEntries(changes) => {
-                        this.local_worktree_entries_changed(&worktree, changes, cx);
-                    }
-                    _ => {}
-                }
+            if worktree.read(cx).is_local()
+                && let worktree::Event::UpdatedEntries(changes) = event
+            {
+                this.local_worktree_entries_changed(&worktree, changes, cx);
             }
         })
         .detach();
diff --git a/crates/project/src/lsp_command.rs b/crates/project/src/lsp_command.rs
index 958921a0e6..ce7a871d1a 100644
--- a/crates/project/src/lsp_command.rs
+++ b/crates/project/src/lsp_command.rs
@@ -332,9 +332,9 @@ impl LspCommand for PrepareRename {
         _: Entity<LspStore>,
         buffer: Entity<Buffer>,
         _: LanguageServerId,
-        mut cx: AsyncApp,
+        cx: AsyncApp,
     ) -> Result<PrepareRenameResponse> {
-        buffer.read_with(&mut cx, |buffer, _| match message {
+        buffer.read_with(&cx, |buffer, _| match message {
             Some(lsp::PrepareRenameResponse::Range(range))
             | Some(lsp::PrepareRenameResponse::RangeWithPlaceholder { range, .. }) => {
                 let Range { start, end } = range_from_lsp(range);
@@ -386,7 +386,7 @@ impl LspCommand for PrepareRename {
             .await?;
 
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
         })
     }
 
@@ -500,13 +500,12 @@ impl LspCommand for PerformRename {
         mut cx: AsyncApp,
     ) -> Result<ProjectTransaction> {
         if let Some(edit) = message {
-            let (lsp_adapter, lsp_server) =
+            let (_, lsp_server) =
                 language_server_for_buffer(&lsp_store, &buffer, server_id, &mut cx)?;
             LocalLspStore::deserialize_workspace_edit(
                 lsp_store,
                 edit,
                 self.push_to_history,
-                lsp_adapter,
                 lsp_server,
                 &mut cx,
             )
@@ -544,7 +543,7 @@ impl LspCommand for PerformRename {
             })?
             .await?;
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
             new_name: message.new_name,
             push_to_history: false,
         })
@@ -659,7 +658,7 @@ impl LspCommand for GetDefinitions {
             })?
             .await?;
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
         })
     }
 
@@ -762,7 +761,7 @@ impl LspCommand for GetDeclarations {
             })?
             .await?;
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
         })
     }
 
@@ -864,7 +863,7 @@ impl LspCommand for GetImplementations {
             })?
             .await?;
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
         })
     }
 
@@ -963,7 +962,7 @@ impl LspCommand for GetTypeDefinitions {
             })?
             .await?;
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
         })
     }
 
@@ -1116,18 +1115,12 @@ pub async fn location_links_from_lsp(
         }
     }
 
-    let (lsp_adapter, language_server) =
-        language_server_for_buffer(&lsp_store, &buffer, server_id, &mut cx)?;
+    let (_, language_server) = language_server_for_buffer(&lsp_store, &buffer, server_id, &mut cx)?;
     let mut definitions = Vec::new();
     for (origin_range, target_uri, target_range) in unresolved_links {
         let target_buffer_handle = lsp_store
             .update(&mut cx, |this, cx| {
-                this.open_local_buffer_via_lsp(
-                    target_uri,
-                    language_server.server_id(),
-                    lsp_adapter.name.clone(),
-                    cx,
-                )
+                this.open_local_buffer_via_lsp(target_uri, language_server.server_id(), cx)
             })?
             .await?;
 
@@ -1172,8 +1165,7 @@ pub async fn location_link_from_lsp(
     server_id: LanguageServerId,
     cx: &mut AsyncApp,
 ) -> Result<LocationLink> {
-    let (lsp_adapter, language_server) =
-        language_server_for_buffer(&lsp_store, &buffer, server_id, cx)?;
+    let (_, language_server) = language_server_for_buffer(lsp_store, buffer, server_id, cx)?;
 
     let (origin_range, target_uri, target_range) = (
         link.origin_selection_range,
@@ -1183,12 +1175,7 @@ pub async fn location_link_from_lsp(
 
     let target_buffer_handle = lsp_store
         .update(cx, |lsp_store, cx| {
-            lsp_store.open_local_buffer_via_lsp(
-                target_uri,
-                language_server.server_id(),
-                lsp_adapter.name.clone(),
-                cx,
-            )
+            lsp_store.open_local_buffer_via_lsp(target_uri, language_server.server_id(), cx)
         })?
         .await?;
 
@@ -1326,7 +1313,7 @@ impl LspCommand for GetReferences {
         mut cx: AsyncApp,
     ) -> Result<Vec<Location>> {
         let mut references = Vec::new();
-        let (lsp_adapter, language_server) =
+        let (_, language_server) =
             language_server_for_buffer(&lsp_store, &buffer, server_id, &mut cx)?;
 
         if let Some(locations) = locations {
@@ -1336,7 +1323,6 @@ impl LspCommand for GetReferences {
                         lsp_store.open_local_buffer_via_lsp(
                             lsp_location.uri,
                             language_server.server_id(),
-                            lsp_adapter.name.clone(),
                             cx,
                         )
                     })?
@@ -1344,7 +1330,7 @@ impl LspCommand for GetReferences {
 
                 target_buffer_handle
                     .clone()
-                    .read_with(&mut cx, |target_buffer, _| {
+                    .read_with(&cx, |target_buffer, _| {
                         let target_start = target_buffer
                             .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
                         let target_end = target_buffer
@@ -1388,7 +1374,7 @@ impl LspCommand for GetReferences {
             })?
             .await?;
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
         })
     }
 
@@ -1498,9 +1484,9 @@ impl LspCommand for GetDocumentHighlights {
         _: Entity<LspStore>,
         buffer: Entity<Buffer>,
         _: LanguageServerId,
-        mut cx: AsyncApp,
+        cx: AsyncApp,
     ) -> Result<Vec<DocumentHighlight>> {
-        buffer.read_with(&mut cx, |buffer, _| {
+        buffer.read_with(&cx, |buffer, _| {
             let mut lsp_highlights = lsp_highlights.unwrap_or_default();
             lsp_highlights.sort_unstable_by_key(|h| (h.range.start, Reverse(h.range.end)));
             lsp_highlights
@@ -1548,7 +1534,7 @@ impl LspCommand for GetDocumentHighlights {
             })?
             .await?;
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
         })
     }
 
@@ -1879,7 +1865,7 @@ impl LspCommand for GetSignatureHelp {
             })?
             .await
             .with_context(|| format!("waiting for version for buffer {}", buffer.entity_id()))?;
-        let buffer_snapshot = buffer.read_with(&mut cx, |buffer, _| buffer.snapshot())?;
+        let buffer_snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot())?;
         Ok(Self {
             position: payload
                 .position
@@ -1961,13 +1947,13 @@ impl LspCommand for GetHover {
         _: Entity<LspStore>,
         buffer: Entity<Buffer>,
         _: LanguageServerId,
-        mut cx: AsyncApp,
+        cx: AsyncApp,
     ) -> Result<Self::Response> {
         let Some(hover) = message else {
             return Ok(None);
         };
 
-        let (language, range) = buffer.read_with(&mut cx, |buffer, _| {
+        let (language, range) = buffer.read_with(&cx, |buffer, _| {
             (
                 buffer.language().cloned(),
                 hover.range.map(|range| {
@@ -2053,7 +2039,7 @@ impl LspCommand for GetHover {
             })?
             .await?;
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
         })
     }
 
@@ -2127,7 +2113,7 @@ impl LspCommand for GetHover {
             return Ok(None);
         }
 
-        let language = buffer.read_with(&mut cx, |buffer, _| buffer.language().cloned())?;
+        let language = buffer.read_with(&cx, |buffer, _| buffer.language().cloned())?;
         let range = if let (Some(start), Some(end)) = (message.start, message.end) {
             language::proto::deserialize_anchor(start)
                 .and_then(|start| language::proto::deserialize_anchor(end).map(|end| start..end))
@@ -2154,6 +2140,16 @@ impl LspCommand for GetHover {
     }
 }
 
+impl GetCompletions {
+    pub fn can_resolve_completions(capabilities: &lsp::ServerCapabilities) -> bool {
+        capabilities
+            .completion_provider
+            .as_ref()
+            .and_then(|options| options.resolve_provider)
+            .unwrap_or(false)
+    }
+}
+
 #[async_trait(?Send)]
 impl LspCommand for GetCompletions {
     type Response = CoreCompletionResponse;
@@ -2212,7 +2208,7 @@ impl LspCommand for GetCompletions {
         let unfiltered_completions_count = completions.len();
 
         let language_server_adapter = lsp_store
-            .read_with(&mut cx, |lsp_store, _| {
+            .read_with(&cx, |lsp_store, _| {
                 lsp_store.language_server_adapter_for_id(server_id)
             })?
             .with_context(|| format!("no language server with id {server_id}"))?;
@@ -2345,15 +2341,14 @@ impl LspCommand for GetCompletions {
             .zip(completion_edits)
             .map(|(mut lsp_completion, mut edit)| {
                 LineEnding::normalize(&mut edit.new_text);
-                if lsp_completion.data.is_none() {
-                    if let Some(default_data) = lsp_defaults
+                if lsp_completion.data.is_none()
+                    && let Some(default_data) = lsp_defaults
                         .as_ref()
                         .and_then(|item_defaults| item_defaults.data.clone())
-                    {
-                        // Servers (e.g. JDTLS) prefer unchanged completions, when resolving the items later,
-                        // so we do not insert the defaults here, but `data` is needed for resolving, so this is an exception.
-                        lsp_completion.data = Some(default_data);
-                    }
+                {
+                    // Servers (e.g. JDTLS) prefer unchanged completions, when resolving the items later,
+                    // so we do not insert the defaults here, but `data` is needed for resolving, so this is an exception.
+                    lsp_completion.data = Some(default_data);
                 }
                 CoreCompletion {
                     replace_range: edit.replace_range,
@@ -2399,7 +2394,7 @@ impl LspCommand for GetCompletions {
             .position
             .and_then(language::proto::deserialize_anchor)
             .map(|p| {
-                buffer.read_with(&mut cx, |buffer, _| {
+                buffer.read_with(&cx, |buffer, _| {
                     buffer.clip_point_utf16(Unclipped(p.to_point_utf16(buffer)), Bias::Left)
                 })
             })
@@ -2506,8 +2501,8 @@ pub(crate) fn parse_completion_text_edit(
     };
 
     Some(ParsedCompletionEdit {
-        insert_range: insert_range,
-        replace_range: replace_range,
+        insert_range,
+        replace_range,
         new_text: new_text.clone(),
     })
 }
@@ -2600,11 +2595,9 @@ impl LspCommand for GetCodeActions {
         server_id: LanguageServerId,
         cx: AsyncApp,
     ) -> Result<Vec<CodeAction>> {
-        let requested_kinds_set = if let Some(kinds) = self.kinds {
-            Some(kinds.into_iter().collect::<HashSet<_>>())
-        } else {
-            None
-        };
+        let requested_kinds_set = self
+            .kinds
+            .map(|kinds| kinds.into_iter().collect::<HashSet<_>>());
 
         let language_server = cx.update(|cx| {
             lsp_store
@@ -2627,10 +2620,10 @@ impl LspCommand for GetCodeActions {
             .filter_map(|entry| {
                 let (lsp_action, resolved) = match entry {
                     lsp::CodeActionOrCommand::CodeAction(lsp_action) => {
-                        if let Some(command) = lsp_action.command.as_ref() {
-                            if !available_commands.contains(&command.command) {
-                                return None;
-                            }
+                        if let Some(command) = lsp_action.command.as_ref()
+                            && !available_commands.contains(&command.command)
+                        {
+                            return None;
                         }
                         (LspAction::Action(Box::new(lsp_action)), false)
                     }
@@ -2645,10 +2638,9 @@ impl LspCommand for GetCodeActions {
 
                 if let Some((requested_kinds, kind)) =
                     requested_kinds_set.as_ref().zip(lsp_action.action_kind())
+                    && !requested_kinds.contains(&kind)
                 {
-                    if !requested_kinds.contains(&kind) {
-                        return None;
-                    }
+                    return None;
                 }
 
                 Some(CodeAction {
@@ -2745,7 +2737,7 @@ impl GetCodeActions {
             Some(lsp::CodeActionProviderCapability::Options(CodeActionOptions {
                 code_action_kinds: Some(supported_action_kinds),
                 ..
-            })) => Some(supported_action_kinds.clone()),
+            })) => Some(supported_action_kinds),
             _ => capabilities.code_action_kinds,
         }
     }
@@ -2762,6 +2754,23 @@ impl GetCodeActions {
     }
 }
 
+impl OnTypeFormatting {
+    pub fn supports_on_type_formatting(trigger: &str, capabilities: &ServerCapabilities) -> bool {
+        let Some(on_type_formatting_options) = &capabilities.document_on_type_formatting_provider
+        else {
+            return false;
+        };
+        on_type_formatting_options
+            .first_trigger_character
+            .contains(trigger)
+            || on_type_formatting_options
+                .more_trigger_character
+                .iter()
+                .flatten()
+                .any(|chars| chars.contains(trigger))
+    }
+}
+
 #[async_trait(?Send)]
 impl LspCommand for OnTypeFormatting {
     type Response = Option<Transaction>;
@@ -2773,20 +2782,7 @@ impl LspCommand for OnTypeFormatting {
     }
 
     fn check_capabilities(&self, capabilities: AdapterServerCapabilities) -> bool {
-        let Some(on_type_formatting_options) = &capabilities
-            .server_capabilities
-            .document_on_type_formatting_provider
-        else {
-            return false;
-        };
-        on_type_formatting_options
-            .first_trigger_character
-            .contains(&self.trigger)
-            || on_type_formatting_options
-                .more_trigger_character
-                .iter()
-                .flatten()
-                .any(|chars| chars.contains(&self.trigger))
+        Self::supports_on_type_formatting(&self.trigger, &capabilities.server_capabilities)
     }
 
     fn to_lsp(
@@ -2864,7 +2860,7 @@ impl LspCommand for OnTypeFormatting {
         })?;
 
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
             trigger: message.trigger.clone(),
             options,
             push_to_history: false,
@@ -3270,6 +3266,16 @@ impl InlayHints {
             })
             .unwrap_or(false)
     }
+
+    pub fn check_capabilities(capabilities: &ServerCapabilities) -> bool {
+        capabilities
+            .inlay_hint_provider
+            .as_ref()
+            .is_some_and(|inlay_hint_provider| match inlay_hint_provider {
+                lsp::OneOf::Left(enabled) => *enabled,
+                lsp::OneOf::Right(_) => true,
+            })
+    }
 }
 
 #[async_trait(?Send)]
@@ -3283,17 +3289,7 @@ impl LspCommand for InlayHints {
     }
 
     fn check_capabilities(&self, capabilities: AdapterServerCapabilities) -> bool {
-        let Some(inlay_hint_provider) = &capabilities.server_capabilities.inlay_hint_provider
-        else {
-            return false;
-        };
-        match inlay_hint_provider {
-            lsp::OneOf::Left(enabled) => *enabled,
-            lsp::OneOf::Right(inlay_hint_capabilities) => match inlay_hint_capabilities {
-                lsp::InlayHintServerCapabilities::Options(_) => true,
-                lsp::InlayHintServerCapabilities::RegistrationOptions(_) => false,
-            },
-        }
+        Self::check_capabilities(&capabilities.server_capabilities)
     }
 
     fn to_lsp(
@@ -3448,10 +3444,7 @@ impl LspCommand for GetCodeLens {
         capabilities
             .server_capabilities
             .code_lens_provider
-            .as_ref()
-            .map_or(false, |code_lens_options| {
-                code_lens_options.resolve_provider.unwrap_or(false)
-            })
+            .is_some()
     }
 
     fn to_lsp(
@@ -3476,9 +3469,9 @@ impl LspCommand for GetCodeLens {
         lsp_store: Entity<LspStore>,
         buffer: Entity<Buffer>,
         server_id: LanguageServerId,
-        mut cx: AsyncApp,
+        cx: AsyncApp,
     ) -> anyhow::Result<Vec<CodeAction>> {
-        let snapshot = buffer.read_with(&mut cx, |buffer, _| buffer.snapshot())?;
+        let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot())?;
         let language_server = cx.update(|cx| {
             lsp_store
                 .read(cx)
@@ -3580,6 +3573,18 @@ impl LspCommand for GetCodeLens {
     }
 }
 
+impl LinkedEditingRange {
+    pub fn check_server_capabilities(capabilities: ServerCapabilities) -> bool {
+        let Some(linked_editing_options) = capabilities.linked_editing_range_provider else {
+            return false;
+        };
+        if let LinkedEditingRangeServerCapabilities::Simple(false) = linked_editing_options {
+            return false;
+        }
+        true
+    }
+}
+
 #[async_trait(?Send)]
 impl LspCommand for LinkedEditingRange {
     type Response = Vec<Range<Anchor>>;
@@ -3591,16 +3596,7 @@ impl LspCommand for LinkedEditingRange {
     }
 
     fn check_capabilities(&self, capabilities: AdapterServerCapabilities) -> bool {
-        let Some(linked_editing_options) = &capabilities
-            .server_capabilities
-            .linked_editing_range_provider
-        else {
-            return false;
-        };
-        if let LinkedEditingRangeServerCapabilities::Simple(false) = linked_editing_options {
-            return false;
-        }
-        true
+        Self::check_server_capabilities(capabilities.server_capabilities)
     }
 
     fn to_lsp(
@@ -3794,7 +3790,7 @@ impl GetDocumentDiagnostics {
                         },
                         uri: lsp::Url::parse(&info.location_url.unwrap()).unwrap(),
                     },
-                    message: info.message.clone(),
+                    message: info.message,
                 }
             })
             .collect::<Vec<_>>();
@@ -3822,12 +3818,11 @@ impl GetDocumentDiagnostics {
                 _ => None,
             },
             code,
-            code_description: match diagnostic.code_description {
-                Some(code_description) => Some(CodeDescription {
+            code_description: diagnostic
+                .code_description
+                .map(|code_description| CodeDescription {
                     href: Some(lsp::Url::parse(&code_description).unwrap()),
                 }),
-                None => None,
-            },
             related_information: Some(related_information),
             tags: Some(tags),
             source: diagnostic.source.clone(),
@@ -4218,8 +4213,9 @@ impl LspCommand for GetDocumentColor {
         server_capabilities
             .server_capabilities
             .color_provider
+            .as_ref()
             .is_some_and(|capability| match capability {
-                lsp::ColorProviderCapability::Simple(supported) => supported,
+                lsp::ColorProviderCapability::Simple(supported) => *supported,
                 lsp::ColorProviderCapability::ColorProvider(..) => true,
                 lsp::ColorProviderCapability::Options(..) => true,
             })
@@ -4491,9 +4487,8 @@ mod tests {
             data: Some(json!({"detail": "test detail"})),
         };
 
-        let proto_diagnostic =
-            GetDocumentDiagnostics::serialize_lsp_diagnostic(lsp_diagnostic.clone())
-                .expect("Failed to serialize diagnostic");
+        let proto_diagnostic = GetDocumentDiagnostics::serialize_lsp_diagnostic(lsp_diagnostic)
+            .expect("Failed to serialize diagnostic");
 
         let start = proto_diagnostic.start.unwrap();
         let end = proto_diagnostic.end.unwrap();
diff --git a/crates/project/src/lsp_store.rs b/crates/project/src/lsp_store.rs
index af3df72c29..deebaedd74 100644
--- a/crates/project/src/lsp_store.rs
+++ b/crates/project/src/lsp_store.rs
@@ -1,3 +1,14 @@
+//! LSP store provides unified access to the language server protocol.
+//! The consumers of LSP store can interact with language servers without knowing exactly which language server they're interacting with.
+//!
+//! # Local/Remote LSP Stores
+//! This module is split up into three distinct parts:
+//! - [`LocalLspStore`], which is ran on the host machine (either project host or SSH host), that manages the lifecycle of language servers.
+//! - [`RemoteLspStore`], which is ran on the remote machine (project guests) which is mostly about passing through the requests via RPC.
+//!   The remote stores don't really care about which language server they're running against - they don't usually get to decide which language server is going to responsible for handling their request.
+//! - [`LspStore`], which unifies the two under one consistent interface for interacting with language servers.
+//!
+//! Most of the interesting work happens at the local layer, as bulk of the complexity is with managing the lifecycle of language servers. The actual implementation of the LSP protocol is handled by [`lsp`] crate.
 pub mod clangd_ext;
 pub mod json_language_server_ext;
 pub mod lsp_ext_command;
@@ -6,20 +17,20 @@ pub mod rust_analyzer_ext;
 use crate::{
     CodeAction, ColorPresentation, Completion, CompletionResponse, CompletionSource,
     CoreCompletion, DocumentColor, Hover, InlayHint, LocationLink, LspAction, LspPullDiagnostics,
-    ProjectItem, ProjectPath, ProjectTransaction, PulledDiagnostics, ResolveState, Symbol,
-    ToolchainStore,
+    ManifestProvidersStore, ProjectItem, ProjectPath, ProjectTransaction, PulledDiagnostics,
+    ResolveState, Symbol,
     buffer_store::{BufferStore, BufferStoreEvent},
     environment::ProjectEnvironment,
     lsp_command::{self, *},
     lsp_store,
     manifest_tree::{
-        AdapterQuery, LanguageServerTree, LanguageServerTreeNode, LaunchDisposition,
-        ManifestQueryDelegate, ManifestTree,
+        LanguageServerTree, LanguageServerTreeNode, LaunchDisposition, ManifestQueryDelegate,
+        ManifestTree,
     },
     prettier_store::{self, PrettierStore, PrettierStoreEvent},
     project_settings::{LspSettings, ProjectSettings},
     relativize_path, resolve_path,
-    toolchain_store::{EmptyToolchainStore, ToolchainStoreEvent},
+    toolchain_store::{LocalToolchainStore, ToolchainStoreEvent},
     worktree_store::{WorktreeStore, WorktreeStoreEvent},
     yarn::YarnPathStore,
 };
@@ -44,9 +55,9 @@ use itertools::Itertools as _;
 use language::{
     Bias, BinaryStatus, Buffer, BufferSnapshot, CachedLspAdapter, CodeLabel, Diagnostic,
     DiagnosticEntry, DiagnosticSet, DiagnosticSourceKind, Diff, File as _, Language, LanguageName,
-    LanguageRegistry, LanguageToolchainStore, LocalFile, LspAdapter, LspAdapterDelegate, Patch,
-    PointUtf16, TextBufferSnapshot, ToOffset, ToPointUtf16, Transaction, Unclipped,
-    WorkspaceFoldersContent,
+    LanguageRegistry, LocalFile, LspAdapter, LspAdapterDelegate, ManifestDelegate, ManifestName,
+    Patch, PointUtf16, TextBufferSnapshot, ToOffset, ToPointUtf16, Toolchain, Transaction,
+    Unclipped,
     language_settings::{
         FormatOnSave, Formatter, LanguageSettings, SelectedFormatter, language_settings,
     },
@@ -58,12 +69,13 @@ use language::{
     range_from_lsp, range_to_lsp,
 };
 use lsp::{
-    CodeActionKind, CompletionContext, DiagnosticSeverity, DiagnosticTag,
-    DidChangeWatchedFilesRegistrationOptions, Edit, FileOperationFilter, FileOperationPatternKind,
-    FileOperationRegistrationOptions, FileRename, FileSystemWatcher, LanguageServer,
-    LanguageServerBinary, LanguageServerBinaryOptions, LanguageServerId, LanguageServerName,
-    LanguageServerSelector, LspRequestFuture, MessageActionItem, MessageType, OneOf,
-    RenameFilesParams, SymbolKind, TextEdit, WillRenameFiles, WorkDoneProgressCancelParams,
+    AdapterServerCapabilities, CodeActionKind, CompletionContext, DiagnosticSeverity,
+    DiagnosticTag, DidChangeWatchedFilesRegistrationOptions, Edit, FileOperationFilter,
+    FileOperationPatternKind, FileOperationRegistrationOptions, FileRename, FileSystemWatcher,
+    LSP_REQUEST_TIMEOUT, LanguageServer, LanguageServerBinary, LanguageServerBinaryOptions,
+    LanguageServerId, LanguageServerName, LanguageServerSelector, LspRequestFuture,
+    MessageActionItem, MessageType, OneOf, RenameFilesParams, SymbolKind,
+    TextDocumentSyncSaveOptions, TextEdit, WillRenameFiles, WorkDoneProgressCancelParams,
     WorkspaceFolder, notification::DidRenameFiles,
 };
 use node_runtime::read_package_installed_version;
@@ -73,7 +85,7 @@ use rand::prelude::*;
 
 use rpc::{
     AnyProtoClient,
-    proto::{FromProto, ToProto},
+    proto::{FromProto, LspRequestId, LspRequestMessage as _, ToProto},
 };
 use serde::Serialize;
 use settings::{Settings, SettingsLocation, SettingsStore};
@@ -81,7 +93,7 @@ use sha2::{Digest, Sha256};
 use smol::channel::Sender;
 use snippet::Snippet;
 use std::{
-    any::Any,
+    any::{Any, TypeId},
     borrow::Cow,
     cell::RefCell,
     cmp::{Ordering, Reverse},
@@ -96,6 +108,7 @@ use std::{
     sync::Arc,
     time::{Duration, Instant},
 };
+use sum_tree::Dimensions;
 use text::{Anchor, BufferId, LineEnding, OffsetRangeExt};
 use url::Url;
 use util::{
@@ -139,20 +152,49 @@ impl FormatTrigger {
     }
 }
 
+#[derive(Clone)]
+struct UnifiedLanguageServer {
+    id: LanguageServerId,
+    project_roots: HashSet<Arc<Path>>,
+}
+
+#[derive(Clone, Hash, PartialEq, Eq)]
+struct LanguageServerSeed {
+    worktree_id: WorktreeId,
+    name: LanguageServerName,
+    toolchain: Option<Toolchain>,
+    settings: Arc<LspSettings>,
+}
+
+#[derive(Debug)]
+pub struct DocumentDiagnosticsUpdate<'a, D> {
+    pub diagnostics: D,
+    pub result_id: Option<String>,
+    pub server_id: LanguageServerId,
+    pub disk_based_sources: Cow<'a, [String]>,
+}
+
+pub struct DocumentDiagnostics {
+    diagnostics: Vec<DiagnosticEntry<Unclipped<PointUtf16>>>,
+    document_abs_path: PathBuf,
+    version: Option<i32>,
+}
+
 pub struct LocalLspStore {
     weak: WeakEntity<LspStore>,
     worktree_store: Entity<WorktreeStore>,
-    toolchain_store: Entity<ToolchainStore>,
+    toolchain_store: Entity<LocalToolchainStore>,
     http_client: Arc<dyn HttpClient>,
     environment: Entity<ProjectEnvironment>,
     fs: Arc<dyn Fs>,
     languages: Arc<LanguageRegistry>,
-    language_server_ids: HashMap<(WorktreeId, LanguageServerName), BTreeSet<LanguageServerId>>,
+    language_server_ids: HashMap<LanguageServerSeed, UnifiedLanguageServer>,
     yarn: Entity<YarnPathStore>,
     pub language_servers: HashMap<LanguageServerId, LanguageServerState>,
     buffers_being_formatted: HashSet<BufferId>,
     last_workspace_edits_by_language_server: HashMap<LanguageServerId, ProjectTransaction>,
     language_server_watched_paths: HashMap<LanguageServerId, LanguageServerWatchedPaths>,
+    watched_manifest_filenames: HashSet<ManifestName>,
     language_server_paths_watched_for_rename:
         HashMap<LanguageServerId, RenamePathsWatchedForServer>,
     language_server_watcher_registrations:
@@ -173,7 +215,7 @@ pub struct LocalLspStore {
     >,
     buffer_snapshots: HashMap<BufferId, HashMap<LanguageServerId, Vec<LspBufferSnapshot>>>, // buffer_id -> server_id -> vec of snapshots
     _subscription: gpui::Subscription,
-    lsp_tree: Entity<LanguageServerTree>,
+    lsp_tree: LanguageServerTree,
     registered_buffers: HashMap<BufferId, usize>,
     buffers_opened_in_servers: HashMap<BufferId, HashSet<LanguageServerId>>,
     buffer_pull_diagnostics_result_ids: HashMap<LanguageServerId, HashMap<PathBuf, Option<String>>>,
@@ -193,30 +235,81 @@ impl LocalLspStore {
         }
     }
 
+    fn get_or_insert_language_server(
+        &mut self,
+        worktree_handle: &Entity<Worktree>,
+        delegate: Arc<LocalLspAdapterDelegate>,
+        disposition: &Arc<LaunchDisposition>,
+        language_name: &LanguageName,
+        cx: &mut App,
+    ) -> LanguageServerId {
+        let key = LanguageServerSeed {
+            worktree_id: worktree_handle.read(cx).id(),
+            name: disposition.server_name.clone(),
+            settings: disposition.settings.clone(),
+            toolchain: disposition.toolchain.clone(),
+        };
+        if let Some(state) = self.language_server_ids.get_mut(&key) {
+            state.project_roots.insert(disposition.path.path.clone());
+            state.id
+        } else {
+            let adapter = self
+                .languages
+                .lsp_adapters(language_name)
+                .into_iter()
+                .find(|adapter| adapter.name() == disposition.server_name)
+                .expect("To find LSP adapter");
+            let new_language_server_id = self.start_language_server(
+                worktree_handle,
+                delegate,
+                adapter,
+                disposition.settings.clone(),
+                key.clone(),
+                cx,
+            );
+            if let Some(state) = self.language_server_ids.get_mut(&key) {
+                state.project_roots.insert(disposition.path.path.clone());
+            } else {
+                debug_assert!(
+                    false,
+                    "Expected `start_language_server` to ensure that `key` exists in a map"
+                );
+            }
+            new_language_server_id
+        }
+    }
+
     fn start_language_server(
         &mut self,
         worktree_handle: &Entity<Worktree>,
         delegate: Arc<LocalLspAdapterDelegate>,
         adapter: Arc<CachedLspAdapter>,
         settings: Arc<LspSettings>,
+        key: LanguageServerSeed,
         cx: &mut App,
     ) -> LanguageServerId {
         let worktree = worktree_handle.read(cx);
-        let worktree_id = worktree.id();
-        let root_path = worktree.abs_path();
-        let key = (worktree_id, adapter.name.clone());
 
+        let root_path = worktree.abs_path();
+        let toolchain = key.toolchain.clone();
         let override_options = settings.initialization_options.clone();
 
         let stderr_capture = Arc::new(Mutex::new(Some(String::new())));
 
         let server_id = self.languages.next_language_server_id();
-        log::info!(
+        log::trace!(
             "attempting to start language server {:?}, path: {root_path:?}, id: {server_id}",
             adapter.name.0
         );
 
-        let binary = self.get_language_server_binary(adapter.clone(), delegate.clone(), true, cx);
+        let binary = self.get_language_server_binary(
+            adapter.clone(),
+            settings,
+            toolchain.clone(),
+            delegate.clone(),
+            true,
+            cx,
+        );
         let pending_workspace_folders: Arc<Mutex<BTreeSet<Url>>> = Default::default();
 
         let pending_server = cx.spawn({
@@ -252,10 +345,7 @@ impl LocalLspStore {
                     binary,
                     &root_path,
                     code_action_kinds,
-                    Some(pending_workspace_folders).filter(|_| {
-                        adapter.adapter.workspace_folders_content()
-                            == WorkspaceFoldersContent::SubprojectRoots
-                    }),
+                    Some(pending_workspace_folders),
                     cx,
                 )
             }
@@ -275,15 +365,13 @@ impl LocalLspStore {
                 .enabled;
             cx.spawn(async move |cx| {
                 let result = async {
-                    let toolchains =
-                        lsp_store.update(cx, |lsp_store, cx| lsp_store.toolchain_store(cx))?;
                     let language_server = pending_server.await?;
 
                     let workspace_config = Self::workspace_configuration_for_adapter(
                         adapter.adapter.clone(),
                         fs.as_ref(),
                         &delegate,
-                        toolchains.clone(),
+                        toolchain,
                         cx,
                     )
                     .await?;
@@ -355,14 +443,14 @@ impl LocalLspStore {
                 match result {
                     Ok(server) => {
                         lsp_store
-                            .update(cx, |lsp_store, mut cx| {
+                            .update(cx, |lsp_store, cx| {
                                 lsp_store.insert_newly_running_language_server(
                                     adapter,
                                     server.clone(),
                                     server_id,
                                     key,
                                     pending_workspace_folders,
-                                    &mut cx,
+                                    cx,
                                 );
                             })
                             .ok();
@@ -375,13 +463,17 @@ impl LocalLspStore {
                         delegate.update_status(
                             adapter.name(),
                             BinaryStatus::Failed {
-                                error: format!("{err}\n-- stderr--\n{log}"),
+                                error: if log.is_empty() {
+                                    format!("{err:#}")
+                                } else {
+                                    format!("{err:#}\n-- stderr --\n{log}")
+                                },
                             },
                         );
-                        let message =
-                            format!("Failed to start language server {server_name:?}: {err:#?}");
-                        log::error!("{message}");
-                        log::error!("server stderr: {log}");
+                        log::error!("Failed to start language server {server_name:?}: {err:?}");
+                        if !log.is_empty() {
+                            log::error!("server stderr: {log}");
+                        }
                         None
                     }
                 }
@@ -398,31 +490,26 @@ impl LocalLspStore {
         self.language_servers.insert(server_id, state);
         self.language_server_ids
             .entry(key)
-            .or_default()
-            .insert(server_id);
+            .or_insert(UnifiedLanguageServer {
+                id: server_id,
+                project_roots: Default::default(),
+            });
         server_id
     }
 
     fn get_language_server_binary(
         &self,
         adapter: Arc<CachedLspAdapter>,
+        settings: Arc<LspSettings>,
+        toolchain: Option<Toolchain>,
         delegate: Arc<dyn LspAdapterDelegate>,
         allow_binary_download: bool,
         cx: &mut App,
     ) -> Task<Result<LanguageServerBinary>> {
-        let settings = ProjectSettings::get(
-            Some(SettingsLocation {
-                worktree_id: delegate.worktree_id(),
-                path: Path::new(""),
-            }),
-            cx,
-        )
-        .lsp
-        .get(&adapter.name)
-        .and_then(|s| s.binary.clone());
-
-        if settings.as_ref().is_some_and(|b| b.path.is_some()) {
-            let settings = settings.unwrap();
+        if let Some(settings) = settings.binary.as_ref()
+            && settings.path.is_some()
+        {
+            let settings = settings.clone();
 
             return cx.background_spawn(async move {
                 let mut env = delegate.shell_env().await;
@@ -442,16 +529,17 @@ impl LocalLspStore {
         }
         let lsp_binary_options = LanguageServerBinaryOptions {
             allow_path_lookup: !settings
+                .binary
                 .as_ref()
                 .and_then(|b| b.ignore_system_version)
                 .unwrap_or_default(),
             allow_binary_download,
         };
-        let toolchains = self.toolchain_store.read(cx).as_language_toolchain_store();
+
         cx.spawn(async move |cx| {
             let binary_result = adapter
                 .clone()
-                .get_language_server_command(delegate.clone(), toolchains, lsp_binary_options, cx)
+                .get_language_server_command(delegate.clone(), toolchain, lsp_binary_options, cx)
                 .await;
 
             delegate.update_status(adapter.name.clone(), BinaryStatus::None);
@@ -461,12 +549,12 @@ impl LocalLspStore {
 
             shell_env.extend(binary.env.unwrap_or_default());
 
-            if let Some(settings) = settings {
-                if let Some(arguments) = settings.arguments {
-                    binary.arguments = arguments.into_iter().map(Into::into).collect();
+            if let Some(settings) = settings.binary.as_ref() {
+                if let Some(arguments) = &settings.arguments {
+                    binary.arguments = arguments.iter().map(Into::into).collect();
                 }
-                if let Some(env) = settings.env {
-                    shell_env.extend(env);
+                if let Some(env) = &settings.env {
+                    shell_env.extend(env.iter().map(|(k, v)| (k.clone(), v.clone())));
                 }
             }
 
@@ -502,12 +590,16 @@ impl LocalLspStore {
                                 adapter.process_diagnostics(&mut params, server_id, buffer);
                             }
 
-                            this.merge_diagnostics(
-                                server_id,
-                                params,
-                                None,
+                            this.merge_lsp_diagnostics(
                                 DiagnosticSourceKind::Pushed,
-                                &adapter.disk_based_diagnostic_sources,
+                                vec![DocumentDiagnosticsUpdate {
+                                    server_id,
+                                    diagnostics: params,
+                                    result_id: None,
+                                    disk_based_sources: Cow::Borrowed(
+                                        &adapter.disk_based_diagnostic_sources,
+                                    ),
+                                }],
                                 |_, diagnostic, cx| match diagnostic.source_kind {
                                     DiagnosticSourceKind::Other | DiagnosticSourceKind::Pushed => {
                                         adapter.retain_old_diagnostic(diagnostic, cx)
@@ -536,14 +628,20 @@ impl LocalLspStore {
                     let fs = fs.clone();
                     let mut cx = cx.clone();
                     async move {
-                        let toolchains =
-                            this.update(&mut cx, |this, cx| this.toolchain_store(cx))?;
-
+                        let toolchain_for_id = this
+                            .update(&mut cx, |this, _| {
+                                this.as_local()?.language_server_ids.iter().find_map(
+                                    |(seed, value)| {
+                                        (value.id == server_id).then(|| seed.toolchain.clone())
+                                    },
+                                )
+                            })?
+                            .context("Expected the LSP store to be in a local mode")?;
                         let workspace_config = Self::workspace_configuration_for_adapter(
                             adapter.clone(),
                             fs.as_ref(),
                             &delegate,
-                            toolchains.clone(),
+                            toolchain_for_id,
                             &mut cx,
                         )
                         .await?;
@@ -572,10 +670,10 @@ impl LocalLspStore {
                 let this = this.clone();
                 move |_, cx| {
                     let this = this.clone();
-                    let mut cx = cx.clone();
+                    let cx = cx.clone();
                     async move {
-                        let Some(server) = this
-                            .read_with(&mut cx, |this, _| this.language_server_for_id(server_id))?
+                        let Some(server) =
+                            this.read_with(&cx, |this, _| this.language_server_for_id(server_id))?
                         else {
                             return Ok(None);
                         };
@@ -604,10 +702,9 @@ impl LocalLspStore {
                     async move {
                         this.update(&mut cx, |this, _| {
                             if let Some(status) = this.language_server_statuses.get_mut(&server_id)
+                                && let lsp::NumberOrString::String(token) = params.token
                             {
-                                if let lsp::NumberOrString::String(token) = params.token {
-                                    status.progress_tokens.insert(token);
-                                }
+                                status.progress_tokens.insert(token);
                             }
                         })?;
 
@@ -619,131 +716,27 @@ impl LocalLspStore {
 
         language_server
             .on_request::<lsp::request::RegisterCapability, _, _>({
-                let this = this.clone();
+                let lsp_store = this.clone();
                 move |params, cx| {
-                    let this = this.clone();
+                    let lsp_store = lsp_store.clone();
                     let mut cx = cx.clone();
                     async move {
-                        for reg in params.registrations {
-                            match reg.method.as_str() {
-                                "workspace/didChangeWatchedFiles" => {
-                                    if let Some(options) = reg.register_options {
-                                        let options = serde_json::from_value(options)?;
-                                        this.update(&mut cx, |this, cx| {
-                                            this.as_local_mut()?.on_lsp_did_change_watched_files(
-                                                server_id, &reg.id, options, cx,
+                        lsp_store
+                            .update(&mut cx, |lsp_store, cx| {
+                                if lsp_store.as_local().is_some() {
+                                    match lsp_store
+                                        .register_server_capabilities(server_id, params, cx)
+                                    {
+                                        Ok(()) => {}
+                                        Err(e) => {
+                                            log::error!(
+                                                "Failed to register server capabilities: {e:#}"
                                             );
-                                            Some(())
-                                        })?;
-                                    }
-                                }
-                                "textDocument/rangeFormatting" => {
-                                    this.read_with(&mut cx, |this, _| {
-                                        if let Some(server) = this.language_server_for_id(server_id)
-                                        {
-                                            let options = reg
-                                                .register_options
-                                                .map(|options| {
-                                                    serde_json::from_value::<
-                                                        lsp::DocumentRangeFormattingOptions,
-                                                    >(
-                                                        options
-                                                    )
-                                                })
-                                                .transpose()?;
-                                            let provider = match options {
-                                                None => OneOf::Left(true),
-                                                Some(options) => OneOf::Right(options),
-                                            };
-                                            server.update_capabilities(|capabilities| {
-                                                capabilities.document_range_formatting_provider =
-                                                    Some(provider);
-                                            })
                                         }
-                                        anyhow::Ok(())
-                                    })??;
+                                    };
                                 }
-                                "textDocument/onTypeFormatting" => {
-                                    this.read_with(&mut cx, |this, _| {
-                                        if let Some(server) = this.language_server_for_id(server_id)
-                                        {
-                                            let options = reg
-                                                .register_options
-                                                .map(|options| {
-                                                    serde_json::from_value::<
-                                                        lsp::DocumentOnTypeFormattingOptions,
-                                                    >(
-                                                        options
-                                                    )
-                                                })
-                                                .transpose()?;
-                                            if let Some(options) = options {
-                                                server.update_capabilities(|capabilities| {
-                                                    capabilities
-                                                        .document_on_type_formatting_provider =
-                                                        Some(options);
-                                                })
-                                            }
-                                        }
-                                        anyhow::Ok(())
-                                    })??;
-                                }
-                                "textDocument/formatting" => {
-                                    this.read_with(&mut cx, |this, _| {
-                                        if let Some(server) = this.language_server_for_id(server_id)
-                                        {
-                                            let options = reg
-                                                .register_options
-                                                .map(|options| {
-                                                    serde_json::from_value::<
-                                                        lsp::DocumentFormattingOptions,
-                                                    >(
-                                                        options
-                                                    )
-                                                })
-                                                .transpose()?;
-                                            let provider = match options {
-                                                None => OneOf::Left(true),
-                                                Some(options) => OneOf::Right(options),
-                                            };
-                                            server.update_capabilities(|capabilities| {
-                                                capabilities.document_formatting_provider =
-                                                    Some(provider);
-                                            })
-                                        }
-                                        anyhow::Ok(())
-                                    })??;
-                                }
-                                "workspace/didChangeConfiguration" => {
-                                    // Ignore payload since we notify clients of setting changes unconditionally, relying on them pulling the latest settings.
-                                }
-                                "textDocument/rename" => {
-                                    this.read_with(&mut cx, |this, _| {
-                                        if let Some(server) = this.language_server_for_id(server_id)
-                                        {
-                                            let options = reg
-                                                .register_options
-                                                .map(|options| {
-                                                    serde_json::from_value::<lsp::RenameOptions>(
-                                                        options,
-                                                    )
-                                                })
-                                                .transpose()?;
-                                            let options = match options {
-                                                None => OneOf::Left(true),
-                                                Some(options) => OneOf::Right(options),
-                                            };
-
-                                            server.update_capabilities(|capabilities| {
-                                                capabilities.rename_provider = Some(options);
-                                            })
-                                        }
-                                        anyhow::Ok(())
-                                    })??;
-                                }
-                                _ => log::warn!("unhandled capability registration: {reg:?}"),
-                            }
-                        }
+                            })
+                            .ok();
                         Ok(())
                     }
                 }
@@ -752,70 +745,27 @@ impl LocalLspStore {
 
         language_server
             .on_request::<lsp::request::UnregisterCapability, _, _>({
-                let this = this.clone();
+                let lsp_store = this.clone();
                 move |params, cx| {
-                    let this = this.clone();
+                    let lsp_store = lsp_store.clone();
                     let mut cx = cx.clone();
                     async move {
-                        for unreg in params.unregisterations.iter() {
-                            match unreg.method.as_str() {
-                                "workspace/didChangeWatchedFiles" => {
-                                    this.update(&mut cx, |this, cx| {
-                                        this.as_local_mut()?
-                                            .on_lsp_unregister_did_change_watched_files(
-                                                server_id, &unreg.id, cx,
+                        lsp_store
+                            .update(&mut cx, |lsp_store, cx| {
+                                if lsp_store.as_local().is_some() {
+                                    match lsp_store
+                                        .unregister_server_capabilities(server_id, params, cx)
+                                    {
+                                        Ok(()) => {}
+                                        Err(e) => {
+                                            log::error!(
+                                                "Failed to unregister server capabilities: {e:#}"
                                             );
-                                        Some(())
-                                    })?;
-                                }
-                                "workspace/didChangeConfiguration" => {
-                                    // Ignore payload since we notify clients of setting changes unconditionally, relying on them pulling the latest settings.
-                                }
-                                "textDocument/rename" => {
-                                    this.read_with(&mut cx, |this, _| {
-                                        if let Some(server) = this.language_server_for_id(server_id)
-                                        {
-                                            server.update_capabilities(|capabilities| {
-                                                capabilities.rename_provider = None
-                                            })
                                         }
-                                    })?;
+                                    }
                                 }
-                                "textDocument/rangeFormatting" => {
-                                    this.read_with(&mut cx, |this, _| {
-                                        if let Some(server) = this.language_server_for_id(server_id)
-                                        {
-                                            server.update_capabilities(|capabilities| {
-                                                capabilities.document_range_formatting_provider =
-                                                    None
-                                            })
-                                        }
-                                    })?;
-                                }
-                                "textDocument/onTypeFormatting" => {
-                                    this.read_with(&mut cx, |this, _| {
-                                        if let Some(server) = this.language_server_for_id(server_id)
-                                        {
-                                            server.update_capabilities(|capabilities| {
-                                                capabilities.document_on_type_formatting_provider =
-                                                    None;
-                                            })
-                                        }
-                                    })?;
-                                }
-                                "textDocument/formatting" => {
-                                    this.read_with(&mut cx, |this, _| {
-                                        if let Some(server) = this.language_server_for_id(server_id)
-                                        {
-                                            server.update_capabilities(|capabilities| {
-                                                capabilities.document_formatting_provider = None;
-                                            })
-                                        }
-                                    })?;
-                                }
-                                _ => log::warn!("unhandled capability unregistration: {unreg:?}"),
-                            }
-                        }
+                            })
+                            .ok();
                         Ok(())
                     }
                 }
@@ -824,18 +774,15 @@ impl LocalLspStore {
 
         language_server
             .on_request::<lsp::request::ApplyWorkspaceEdit, _, _>({
-                let adapter = adapter.clone();
                 let this = this.clone();
                 move |params, cx| {
                     let mut cx = cx.clone();
                     let this = this.clone();
-                    let adapter = adapter.clone();
                     async move {
                         LocalLspStore::on_lsp_workspace_edit(
                             this.clone(),
                             params,
                             server_id,
-                            adapter.clone(),
                             &mut cx,
                         )
                         .await
@@ -971,7 +918,7 @@ impl LocalLspStore {
                         message: params.message,
                         actions: vec![],
                         response_channel: tx,
-                        lsp_name: name.clone(),
+                        lsp_name: name,
                     };
 
                     let _ = this.update(&mut cx, |_, cx| {
@@ -1068,10 +1015,10 @@ impl LocalLspStore {
                 }
             }
             LanguageServerState::Starting { startup, .. } => {
-                if let Some(server) = startup.await {
-                    if let Some(shutdown) = server.shutdown() {
-                        shutdown.await;
-                    }
+                if let Some(server) = startup.await
+                    && let Some(shutdown) = server.shutdown()
+                {
+                    shutdown.await;
                 }
             }
         }
@@ -1084,19 +1031,18 @@ impl LocalLspStore {
     ) -> impl Iterator<Item = &Arc<LanguageServer>> {
         self.language_server_ids
             .iter()
-            .flat_map(move |((language_server_path, _), ids)| {
-                ids.iter().filter_map(move |id| {
-                    if *language_server_path != worktree_id {
-                        return None;
-                    }
-                    if let Some(LanguageServerState::Running { server, .. }) =
-                        self.language_servers.get(id)
-                    {
-                        return Some(server);
-                    } else {
-                        None
-                    }
-                })
+            .filter_map(move |(seed, state)| {
+                if seed.worktree_id != worktree_id {
+                    return None;
+                }
+
+                if let Some(LanguageServerState::Running { server, .. }) =
+                    self.language_servers.get(&state.id)
+                {
+                    Some(server)
+                } else {
+                    None
+                }
             })
     }
 
@@ -1113,19 +1059,18 @@ impl LocalLspStore {
         else {
             return Vec::new();
         };
-        let delegate = Arc::new(ManifestQueryDelegate::new(worktree.read(cx).snapshot()));
-        let root = self.lsp_tree.update(cx, |this, cx| {
-            this.get(
+        let delegate: Arc<dyn ManifestDelegate> =
+            Arc::new(ManifestQueryDelegate::new(worktree.read(cx).snapshot()));
+
+        self.lsp_tree
+            .get(
                 project_path,
-                AdapterQuery::Language(&language.name()),
-                delegate,
+                language.name(),
+                language.manifest(),
+                &delegate,
                 cx,
             )
-            .filter_map(|node| node.server_id())
             .collect::<Vec<_>>()
-        });
-
-        root
     }
 
     fn language_server_ids_for_buffer(
@@ -1207,7 +1152,7 @@ impl LocalLspStore {
                         .collect::<Vec<_>>()
                 })
             })?;
-            for (lsp_adapter, language_server) in adapters_and_servers.iter() {
+            for (_, language_server) in adapters_and_servers.iter() {
                 let actions = Self::get_server_code_actions_from_action_kinds(
                     &lsp_store,
                     language_server.server_id(),
@@ -1219,7 +1164,6 @@ impl LocalLspStore {
                 Self::execute_code_actions_on_server(
                     &lsp_store,
                     language_server,
-                    lsp_adapter,
                     actions,
                     push_to_history,
                     &mut project_transaction,
@@ -1934,7 +1878,7 @@ impl LocalLspStore {
     ) -> Result<Vec<(Range<Anchor>, Arc<str>)>> {
         let capabilities = &language_server.capabilities();
         let range_formatting_provider = capabilities.document_range_formatting_provider.as_ref();
-        if range_formatting_provider.map_or(false, |provider| provider == &OneOf::Left(false)) {
+        if range_formatting_provider == Some(&OneOf::Left(false)) {
             anyhow::bail!(
                 "{} language server does not support range formatting",
                 language_server.name()
@@ -1981,7 +1925,7 @@ impl LocalLspStore {
         if let Some(lsp_edits) = lsp_edits {
             this.update(cx, |this, cx| {
                 this.as_local_mut().unwrap().edits_from_lsp(
-                    &buffer_handle,
+                    buffer_handle,
                     lsp_edits,
                     language_server.server_id(),
                     None,
@@ -2162,13 +2106,14 @@ impl LocalLspStore {
         let buffer = buffer_handle.read(cx);
 
         let file = buffer.file().cloned();
+
         let Some(file) = File::from_dyn(file.as_ref()) else {
             return;
         };
         if !file.is_local() {
             return;
         }
-
+        let path = ProjectPath::from_file(file, cx);
         let worktree_id = file.worktree_id(cx);
         let language = buffer.language().cloned();
 
@@ -2191,46 +2136,52 @@ impl LocalLspStore {
         let Some(language) = language else {
             return;
         };
-        for adapter in self.languages.lsp_adapters(&language.name()) {
-            let servers = self
-                .language_server_ids
-                .get(&(worktree_id, adapter.name.clone()));
-            if let Some(server_ids) = servers {
-                for server_id in server_ids {
-                    let server = self
-                        .language_servers
-                        .get(server_id)
-                        .and_then(|server_state| {
-                            if let LanguageServerState::Running { server, .. } = server_state {
-                                Some(server.clone())
-                            } else {
-                                None
-                            }
-                        });
-                    let server = match server {
-                        Some(server) => server,
-                        None => continue,
-                    };
+        let Some(snapshot) = self
+            .worktree_store
+            .read(cx)
+            .worktree_for_id(worktree_id, cx)
+            .map(|worktree| worktree.read(cx).snapshot())
+        else {
+            return;
+        };
+        let delegate: Arc<dyn ManifestDelegate> = Arc::new(ManifestQueryDelegate::new(snapshot));
 
-                    buffer_handle.update(cx, |buffer, cx| {
-                        buffer.set_completion_triggers(
-                            server.server_id(),
-                            server
-                                .capabilities()
-                                .completion_provider
+        for server_id in
+            self.lsp_tree
+                .get(path, language.name(), language.manifest(), &delegate, cx)
+        {
+            let server = self
+                .language_servers
+                .get(&server_id)
+                .and_then(|server_state| {
+                    if let LanguageServerState::Running { server, .. } = server_state {
+                        Some(server.clone())
+                    } else {
+                        None
+                    }
+                });
+            let server = match server {
+                Some(server) => server,
+                None => continue,
+            };
+
+            buffer_handle.update(cx, |buffer, cx| {
+                buffer.set_completion_triggers(
+                    server.server_id(),
+                    server
+                        .capabilities()
+                        .completion_provider
+                        .as_ref()
+                        .and_then(|provider| {
+                            provider
+                                .trigger_characters
                                 .as_ref()
-                                .and_then(|provider| {
-                                    provider
-                                        .trigger_characters
-                                        .as_ref()
-                                        .map(|characters| characters.iter().cloned().collect())
-                                })
-                                .unwrap_or_default(),
-                            cx,
-                        );
-                    });
-                }
-            }
+                                .map(|characters| characters.iter().cloned().collect())
+                        })
+                        .unwrap_or_default(),
+                    cx,
+                );
+            });
         }
     }
 
@@ -2340,6 +2291,31 @@ impl LocalLspStore {
         Ok(())
     }
 
+    fn register_language_server_for_invisible_worktree(
+        &mut self,
+        worktree: &Entity<Worktree>,
+        language_server_id: LanguageServerId,
+        cx: &mut App,
+    ) {
+        let worktree = worktree.read(cx);
+        let worktree_id = worktree.id();
+        debug_assert!(!worktree.is_visible());
+        let Some(mut origin_seed) = self
+            .language_server_ids
+            .iter()
+            .find_map(|(seed, state)| (state.id == language_server_id).then(|| seed.clone()))
+        else {
+            return;
+        };
+        origin_seed.worktree_id = worktree_id;
+        self.language_server_ids
+            .entry(origin_seed)
+            .or_insert_with(|| UnifiedLanguageServer {
+                id: language_server_id,
+                project_roots: Default::default(),
+            });
+    }
+
     fn register_buffer_with_language_servers(
         &mut self,
         buffer_handle: &Entity<Buffer>,
@@ -2380,27 +2356,23 @@ impl LocalLspStore {
         };
         let language_name = language.name();
         let (reused, delegate, servers) = self
-            .lsp_tree
-            .update(cx, |lsp_tree, cx| {
-                self.reuse_existing_language_server(lsp_tree, &worktree, &language_name, cx)
-            })
-            .map(|(delegate, servers)| (true, delegate, servers))
+            .reuse_existing_language_server(&self.lsp_tree, &worktree, &language_name, cx)
+            .map(|(delegate, apply)| (true, delegate, apply(&mut self.lsp_tree)))
             .unwrap_or_else(|| {
                 let lsp_delegate = LocalLspAdapterDelegate::from_local_lsp(self, &worktree, cx);
-                let delegate = Arc::new(ManifestQueryDelegate::new(worktree.read(cx).snapshot()));
+                let delegate: Arc<dyn ManifestDelegate> =
+                    Arc::new(ManifestQueryDelegate::new(worktree.read(cx).snapshot()));
+
                 let servers = self
                     .lsp_tree
-                    .clone()
-                    .update(cx, |language_server_tree, cx| {
-                        language_server_tree
-                            .get(
-                                ProjectPath { worktree_id, path },
-                                AdapterQuery::Language(&language.name()),
-                                delegate.clone(),
-                                cx,
-                            )
-                            .collect::<Vec<_>>()
-                    });
+                    .walk(
+                        ProjectPath { worktree_id, path },
+                        language.name(),
+                        language.manifest(),
+                        &delegate,
+                        cx,
+                    )
+                    .collect::<Vec<_>>();
                 (false, lsp_delegate, servers)
             });
         let servers_and_adapters = servers
@@ -2410,80 +2382,46 @@ impl LocalLspStore {
                     return None;
                 }
                 if !only_register_servers.is_empty() {
-                    if let Some(server_id) = server_node.server_id() {
-                        if !only_register_servers.contains(&LanguageServerSelector::Id(server_id)) {
-                            return None;
-                        }
+                    if let Some(server_id) = server_node.server_id()
+                        && !only_register_servers.contains(&LanguageServerSelector::Id(server_id))
+                    {
+                        return None;
                     }
-                    if let Some(name) = server_node.name() {
-                        if !only_register_servers.contains(&LanguageServerSelector::Name(name)) {
-                            return None;
-                        }
+                    if let Some(name) = server_node.name()
+                        && !only_register_servers.contains(&LanguageServerSelector::Name(name))
+                    {
+                        return None;
                     }
                 }
 
-                let server_id = server_node.server_id_or_init(
-                    |LaunchDisposition {
-                         server_name,
+                let server_id = server_node.server_id_or_init(|disposition| {
+                    let path = &disposition.path;
 
-                         path,
-                         settings,
-                     }| {
-                        let server_id =
-                           {
-                               let uri = Url::from_file_path(
-                                   worktree.read(cx).abs_path().join(&path.path),
-                               );
-                               let key = (worktree_id, server_name.clone());
-                               if !self.language_server_ids.contains_key(&key) {
-                                   let language_name = language.name();
-                                   let adapter = self.languages
-                                       .lsp_adapters(&language_name)
-                                       .into_iter()
-                                       .find(|adapter| &adapter.name() == server_name)
-                                       .expect("To find LSP adapter");
-                                   self.start_language_server(
-                                       &worktree,
-                                       delegate.clone(),
-                                       adapter,
-                                       settings,
-                                       cx,
-                                   );
-                               }
-                               if let Some(server_ids) = self
-                                   .language_server_ids
-                                   .get(&key)
-                               {
-                                   debug_assert_eq!(server_ids.len(), 1);
-                                   let server_id = server_ids.iter().cloned().next().unwrap();
-                                   if let Some(state) = self.language_servers.get(&server_id) {
-                                       if let Ok(uri) = uri {
-                                           state.add_workspace_folder(uri);
-                                       };
-                                   }
-                                   server_id
-                               } else {
-                                   unreachable!("Language server ID should be available, as it's registered on demand")
-                               }
+                    {
+                        let uri =
+                            Url::from_file_path(worktree.read(cx).abs_path().join(&path.path));
 
+                        let server_id = self.get_or_insert_language_server(
+                            &worktree,
+                            delegate.clone(),
+                            disposition,
+                            &language_name,
+                            cx,
+                        );
+
+                        if let Some(state) = self.language_servers.get(&server_id)
+                            && let Ok(uri) = uri
+                        {
+                            state.add_workspace_folder(uri);
                         };
-                        let lsp_store = self.weak.clone();
-                        let server_name = server_node.name();
-                        let buffer_abs_path = abs_path.to_string_lossy().to_string();
-                        cx.defer(move |cx| {
-                            lsp_store.update(cx, |_, cx| cx.emit(LspStoreEvent::LanguageServerUpdate {
-                                language_server_id: server_id,
-                                name: server_name,
-                                message: proto::update_language_server::Variant::RegisteredForBuffer(proto::RegisteredForBuffer {
-                                    buffer_abs_path,
-                                })
-                            })).ok();
-                        });
                         server_id
-                    },
-                )?;
+                    }
+                })?;
                 let server_state = self.language_servers.get(&server_id)?;
-                if let LanguageServerState::Running { server, adapter, .. } = server_state {
+                if let LanguageServerState::Running {
+                    server, adapter, ..
+                } = server_state
+                {
                     Some((server.clone(), adapter.clone()))
                 } else {
                     None
@@ -2514,11 +2452,13 @@ impl LocalLspStore {
                 snapshot: initial_snapshot.clone(),
             };
 
+            let mut registered = false;
             self.buffer_snapshots
                 .entry(buffer_id)
                 .or_default()
                 .entry(server.server_id())
                 .or_insert_with(|| {
+                    registered = true;
                     server.register_buffer(
                         uri.clone(),
                         adapter.language_id(&language.name()),
@@ -2533,25 +2473,31 @@ impl LocalLspStore {
                 .entry(buffer_id)
                 .or_default()
                 .insert(server.server_id());
-            cx.emit(LspStoreEvent::LanguageServerUpdate {
-                language_server_id: server.server_id(),
-                name: None,
-                message: proto::update_language_server::Variant::RegisteredForBuffer(
-                    proto::RegisteredForBuffer {
-                        buffer_abs_path: abs_path.to_string_lossy().to_string(),
-                    },
-                ),
-            });
+            if registered {
+                cx.emit(LspStoreEvent::LanguageServerUpdate {
+                    language_server_id: server.server_id(),
+                    name: None,
+                    message: proto::update_language_server::Variant::RegisteredForBuffer(
+                        proto::RegisteredForBuffer {
+                            buffer_abs_path: abs_path.to_string_lossy().to_string(),
+                            buffer_id: buffer_id.to_proto(),
+                        },
+                    ),
+                });
+            }
         }
     }
 
-    fn reuse_existing_language_server(
+    fn reuse_existing_language_server<'lang_name>(
         &self,
-        server_tree: &mut LanguageServerTree,
+        server_tree: &LanguageServerTree,
         worktree: &Entity<Worktree>,
-        language_name: &LanguageName,
+        language_name: &'lang_name LanguageName,
         cx: &mut App,
-    ) -> Option<(Arc<LocalLspAdapterDelegate>, Vec<LanguageServerTreeNode>)> {
+    ) -> Option<(
+        Arc<LocalLspAdapterDelegate>,
+        impl FnOnce(&mut LanguageServerTree) -> Vec<LanguageServerTreeNode> + use<'lang_name>,
+    )> {
         if worktree.read(cx).is_visible() {
             return None;
         }
@@ -2590,16 +2536,16 @@ impl LocalLspStore {
             .into_values()
             .max_by_key(|servers| servers.len())?;
 
-        for server_node in &servers {
-            server_tree.register_reused(
-                worktree.read(cx).id(),
-                language_name.clone(),
-                server_node.clone(),
-            );
-        }
+        let worktree_id = worktree.read(cx).id();
+        let apply = move |tree: &mut LanguageServerTree| {
+            for server_node in &servers {
+                tree.register_reused(worktree_id, language_name.clone(), server_node.clone());
+            }
+            servers
+        };
 
         let delegate = LocalLspAdapterDelegate::from_local_lsp(self, worktree, cx);
-        Some((delegate, servers))
+        Some((delegate, apply))
     }
 
     pub(crate) fn unregister_old_buffer_from_language_servers(
@@ -2694,13 +2640,13 @@ impl LocalLspStore {
                 this.request_lsp(buffer.clone(), server, request, cx)
             })?
             .await?;
-        return Ok(actions);
+        Ok(actions)
     }
 
     pub async fn execute_code_actions_on_server(
         lsp_store: &WeakEntity<LspStore>,
         language_server: &Arc<LanguageServer>,
-        lsp_adapter: &Arc<CachedLspAdapter>,
+
         actions: Vec<CodeAction>,
         push_to_history: bool,
         project_transaction: &mut ProjectTransaction,
@@ -2720,7 +2666,6 @@ impl LocalLspStore {
                     lsp_store.upgrade().context("project dropped")?,
                     edit.clone(),
                     push_to_history,
-                    lsp_adapter.clone(),
                     language_server.clone(),
                     cx,
                 )
@@ -2771,7 +2716,7 @@ impl LocalLspStore {
                 }
             }
         }
-        return Ok(());
+        Ok(())
     }
 
     pub async fn deserialize_text_edits(
@@ -2901,7 +2846,6 @@ impl LocalLspStore {
         this: Entity<LspStore>,
         edit: lsp::WorkspaceEdit,
         push_to_history: bool,
-        lsp_adapter: Arc<CachedLspAdapter>,
         language_server: Arc<LanguageServer>,
         cx: &mut AsyncApp,
     ) -> Result<ProjectTransaction> {
@@ -3002,7 +2946,6 @@ impl LocalLspStore {
                             this.open_local_buffer_via_lsp(
                                 op.text_document.uri.clone(),
                                 language_server.server_id(),
-                                lsp_adapter.name.clone(),
                                 cx,
                             )
                         })?
@@ -3012,11 +2955,11 @@ impl LocalLspStore {
                         .update(cx, |this, cx| {
                             let path = buffer_to_edit.read(cx).project_path(cx);
                             let active_entry = this.active_entry;
-                            let is_active_entry = path.clone().map_or(false, |project_path| {
+                            let is_active_entry = path.is_some_and(|project_path| {
                                 this.worktree_store
                                     .read(cx)
                                     .entry_for_path(&project_path, cx)
-                                    .map_or(false, |entry| Some(entry.id) == active_entry)
+                                    .is_some_and(|entry| Some(entry.id) == active_entry)
                             });
                             let local = this.as_local_mut().unwrap();
 
@@ -3102,16 +3045,14 @@ impl LocalLspStore {
                             buffer.edit([(range, text)], None, cx);
                         }
 
-                        let transaction = buffer.end_transaction(cx).and_then(|transaction_id| {
+                        buffer.end_transaction(cx).and_then(|transaction_id| {
                             if push_to_history {
                                 buffer.finalize_last_transaction();
                                 buffer.get_transaction(transaction_id).cloned()
                             } else {
                                 buffer.forget_transaction(transaction_id)
                             }
-                        });
-
-                        transaction
+                        })
                     })?;
                     if let Some(transaction) = transaction {
                         project_transaction.0.insert(buffer_to_edit, transaction);
@@ -3127,7 +3068,6 @@ impl LocalLspStore {
         this: WeakEntity<LspStore>,
         params: lsp::ApplyWorkspaceEditParams,
         server_id: LanguageServerId,
-        adapter: Arc<CachedLspAdapter>,
         cx: &mut AsyncApp,
     ) -> Result<lsp::ApplyWorkspaceEditResponse> {
         let this = this.upgrade().context("project project closed")?;
@@ -3138,7 +3078,6 @@ impl LocalLspStore {
             this.clone(),
             params.edit,
             true,
-            adapter.clone(),
             language_server.clone(),
             cx,
         )
@@ -3169,23 +3108,19 @@ impl LocalLspStore {
             prettier_store.remove_worktree(id_to_remove, cx);
         });
 
-        let mut servers_to_remove = BTreeMap::default();
+        let mut servers_to_remove = BTreeSet::default();
         let mut servers_to_preserve = HashSet::default();
-        for ((path, server_name), ref server_ids) in &self.language_server_ids {
-            if *path == id_to_remove {
-                servers_to_remove.extend(server_ids.iter().map(|id| (*id, server_name.clone())));
+        for (seed, state) in &self.language_server_ids {
+            if seed.worktree_id == id_to_remove {
+                servers_to_remove.insert(state.id);
             } else {
-                servers_to_preserve.extend(server_ids.iter().cloned());
+                servers_to_preserve.insert(state.id);
             }
         }
-        servers_to_remove.retain(|server_id, _| !servers_to_preserve.contains(server_id));
-
-        for (server_id_to_remove, _) in &servers_to_remove {
-            self.language_server_ids
-                .values_mut()
-                .for_each(|server_ids| {
-                    server_ids.remove(server_id_to_remove);
-                });
+        servers_to_remove.retain(|server_id| !servers_to_preserve.contains(server_id));
+        self.language_server_ids
+            .retain(|_, state| !servers_to_remove.contains(&state.id));
+        for server_id_to_remove in &servers_to_remove {
             self.language_server_watched_paths
                 .remove(server_id_to_remove);
             self.language_server_paths_watched_for_rename
@@ -3200,7 +3135,7 @@ impl LocalLspStore {
             }
             cx.emit(LspStoreEvent::LanguageServerRemoved(*server_id_to_remove));
         }
-        servers_to_remove.into_keys().collect()
+        servers_to_remove.into_iter().collect()
     }
 
     fn rebuild_watched_paths_inner<'a>(
@@ -3229,7 +3164,7 @@ impl LocalLspStore {
 
         for watcher in watchers {
             if let Some((worktree, literal_prefix, pattern)) =
-                self.worktree_and_path_for_file_watcher(&worktrees, &watcher, cx)
+                self.worktree_and_path_for_file_watcher(&worktrees, watcher, cx)
             {
                 worktree.update(cx, |worktree, _| {
                     if let Some((tree, glob)) =
@@ -3458,16 +3393,20 @@ impl LocalLspStore {
         Ok(Some(initialization_config))
     }
 
+    fn toolchain_store(&self) -> &Entity<LocalToolchainStore> {
+        &self.toolchain_store
+    }
+
     async fn workspace_configuration_for_adapter(
         adapter: Arc<dyn LspAdapter>,
         fs: &dyn Fs,
         delegate: &Arc<dyn LspAdapterDelegate>,
-        toolchains: Arc<dyn LanguageToolchainStore>,
+        toolchain: Option<Toolchain>,
         cx: &mut AsyncApp,
     ) -> Result<serde_json::Value> {
         let mut workspace_config = adapter
             .clone()
-            .workspace_configuration(fs, delegate, toolchains.clone(), cx)
+            .workspace_configuration(fs, delegate, toolchain, cx)
             .await?;
 
         for other_adapter in delegate.registered_lsp_adapters() {
@@ -3476,13 +3415,7 @@ impl LocalLspStore {
             }
             if let Ok(Some(target_config)) = other_adapter
                 .clone()
-                .additional_workspace_configuration(
-                    adapter.name(),
-                    fs,
-                    delegate,
-                    toolchains.clone(),
-                    cx,
-                )
+                .additional_workspace_configuration(adapter.name(), fs, delegate, cx)
                 .await
             {
                 merge_json_value_into(target_config.clone(), &mut workspace_config);
@@ -3491,6 +3424,30 @@ impl LocalLspStore {
 
         Ok(workspace_config)
     }
+
+    fn language_server_for_id(&self, id: LanguageServerId) -> Option<Arc<LanguageServer>> {
+        if let Some(LanguageServerState::Running { server, .. }) = self.language_servers.get(&id) {
+            Some(server.clone())
+        } else if let Some((_, server)) = self.supplementary_language_servers.get(&id) {
+            Some(Arc::clone(server))
+        } else {
+            None
+        }
+    }
+}
+
+fn notify_server_capabilities_updated(server: &LanguageServer, cx: &mut Context<LspStore>) {
+    if let Some(capabilities) = serde_json::to_string(&server.capabilities()).ok() {
+        cx.emit(LspStoreEvent::LanguageServerUpdate {
+            language_server_id: server.server_id(),
+            name: Some(server.name()),
+            message: proto::update_language_server::Variant::MetadataUpdated(
+                proto::ServerMetadataUpdated {
+                    capabilities: Some(capabilities),
+                },
+            ),
+        });
+    }
 }
 
 #[derive(Debug)]
@@ -3524,7 +3481,6 @@ pub struct LspStore {
     nonce: u128,
     buffer_store: Entity<BufferStore>,
     worktree_store: Entity<WorktreeStore>,
-    toolchain_store: Option<Entity<ToolchainStore>>,
     pub languages: Arc<LanguageRegistry>,
     language_server_statuses: BTreeMap<LanguageServerId, LanguageServerStatus>,
     active_entry: Option<ProjectEntryId>,
@@ -3532,8 +3488,10 @@ pub struct LspStore {
     _maintain_buffer_languages: Task<()>,
     diagnostic_summaries:
         HashMap<WorktreeId, HashMap<Arc<Path>, HashMap<LanguageServerId, DiagnosticSummary>>>,
+    pub(super) lsp_server_capabilities: HashMap<LanguageServerId, lsp::ServerCapabilities>,
     lsp_document_colors: HashMap<BufferId, DocumentColorData>,
     lsp_code_lens: HashMap<BufferId, CodeLensData>,
+    running_lsp_requests: HashMap<TypeId, (Global, HashMap<LspRequestId, Task<()>>)>,
 }
 
 #[derive(Debug, Default, Clone)]
@@ -3543,7 +3501,7 @@ pub struct DocumentColors {
 }
 
 type DocumentColorTask = Shared<Task<std::result::Result<DocumentColors, Arc<anyhow::Error>>>>;
-type CodeLensTask = Shared<Task<std::result::Result<Vec<CodeAction>, Arc<anyhow::Error>>>>;
+type CodeLensTask = Shared<Task<std::result::Result<Option<Vec<CodeAction>>, Arc<anyhow::Error>>>>;
 
 #[derive(Debug, Default)]
 struct DocumentColorData {
@@ -3585,8 +3543,8 @@ pub enum LspStoreEvent {
     RefreshInlayHints,
     RefreshCodeLens,
     DiagnosticsUpdated {
-        language_server_id: LanguageServerId,
-        path: ProjectPath,
+        server_id: LanguageServerId,
+        paths: Vec<ProjectPath>,
     },
     DiskBasedDiagnosticsStarted {
         language_server_id: LanguageServerId,
@@ -3603,7 +3561,7 @@ pub enum LspStoreEvent {
 
 #[derive(Clone, Debug, Serialize)]
 pub struct LanguageServerStatus {
-    pub name: String,
+    pub name: LanguageServerName,
     pub pending_work: BTreeMap<String, LanguageServerProgress>,
     pub has_pending_diagnostic_updates: bool,
     progress_tokens: HashSet<String>,
@@ -3623,6 +3581,8 @@ struct CoreSymbol {
 
 impl LspStore {
     pub fn init(client: &AnyProtoClient) {
+        client.add_entity_request_handler(Self::handle_lsp_query);
+        client.add_entity_message_handler(Self::handle_lsp_query_response);
         client.add_entity_request_handler(Self::handle_multi_lsp_query);
         client.add_entity_request_handler(Self::handle_restart_language_servers);
         client.add_entity_request_handler(Self::handle_stop_language_servers);
@@ -3646,7 +3606,6 @@ impl LspStore {
         client.add_entity_request_handler(Self::handle_apply_additional_edits_for_completion);
         client.add_entity_request_handler(Self::handle_register_buffer_with_language_servers);
         client.add_entity_request_handler(Self::handle_rename_project_entry);
-        client.add_entity_request_handler(Self::handle_language_server_id_for_name);
         client.add_entity_request_handler(Self::handle_pull_workspace_diagnostics);
         client.add_entity_request_handler(Self::handle_lsp_command::<GetCodeActions>);
         client.add_entity_request_handler(Self::handle_lsp_command::<GetCompletions>);
@@ -3715,7 +3674,7 @@ impl LspStore {
         buffer_store: Entity<BufferStore>,
         worktree_store: Entity<WorktreeStore>,
         prettier_store: Entity<PrettierStore>,
-        toolchain_store: Entity<ToolchainStore>,
+        toolchain_store: Entity<LocalToolchainStore>,
         environment: Entity<ProjectEnvironment>,
         manifest_tree: Entity<ManifestTree>,
         languages: Arc<LanguageRegistry>,
@@ -3757,7 +3716,7 @@ impl LspStore {
             mode: LspStoreMode::Local(LocalLspStore {
                 weak: cx.weak_entity(),
                 worktree_store: worktree_store.clone(),
-                toolchain_store: toolchain_store.clone(),
+
                 supplementary_language_servers: Default::default(),
                 languages: languages.clone(),
                 language_server_ids: Default::default(),
@@ -3780,22 +3739,30 @@ impl LspStore {
                         .unwrap()
                         .shutdown_language_servers_on_quit(cx)
                 }),
-                lsp_tree: LanguageServerTree::new(manifest_tree, languages.clone(), cx),
+                lsp_tree: LanguageServerTree::new(
+                    manifest_tree,
+                    languages.clone(),
+                    toolchain_store.clone(),
+                ),
+                toolchain_store,
                 registered_buffers: HashMap::default(),
                 buffers_opened_in_servers: HashMap::default(),
                 buffer_pull_diagnostics_result_ids: HashMap::default(),
+                watched_manifest_filenames: ManifestProvidersStore::global(cx)
+                    .manifest_file_names(),
             }),
             last_formatting_failure: None,
             downstream_client: None,
             buffer_store,
             worktree_store,
-            toolchain_store: Some(toolchain_store),
             languages: languages.clone(),
             language_server_statuses: Default::default(),
             nonce: StdRng::from_entropy().r#gen(),
             diagnostic_summaries: HashMap::default(),
+            lsp_server_capabilities: HashMap::default(),
             lsp_document_colors: HashMap::default(),
             lsp_code_lens: HashMap::default(),
+            running_lsp_requests: HashMap::default(),
             active_entry: None,
             _maintain_workspace_config,
             _maintain_buffer_languages: Self::maintain_buffer_languages(languages, cx),
@@ -3810,6 +3777,9 @@ impl LspStore {
         request: R,
         cx: &mut Context<LspStore>,
     ) -> Task<anyhow::Result<<R as LspCommand>::Response>> {
+        if !self.is_capable_for_proto_request(&buffer, &request, cx) {
+            return Task::ready(Ok(R::Response::default()));
+        }
         let message = request.to_proto(upstream_project_id, buffer.read(cx));
         cx.spawn(async move |this, cx| {
             let response = client.request(message).await?;
@@ -3823,7 +3793,6 @@ impl LspStore {
     pub(super) fn new_remote(
         buffer_store: Entity<BufferStore>,
         worktree_store: Entity<WorktreeStore>,
-        toolchain_store: Option<Entity<ToolchainStore>>,
         languages: Arc<LanguageRegistry>,
         upstream_client: AnyProtoClient,
         project_id: u64,
@@ -3852,10 +3821,12 @@ impl LspStore {
             language_server_statuses: Default::default(),
             nonce: StdRng::from_entropy().r#gen(),
             diagnostic_summaries: HashMap::default(),
+            lsp_server_capabilities: HashMap::default(),
             lsp_document_colors: HashMap::default(),
             lsp_code_lens: HashMap::default(),
+            running_lsp_requests: HashMap::default(),
             active_entry: None,
-            toolchain_store,
+
             _maintain_workspace_config,
             _maintain_buffer_languages: Self::maintain_buffer_languages(languages.clone(), cx),
         }
@@ -3873,13 +3844,13 @@ impl LspStore {
             }
             BufferStoreEvent::BufferChangedFilePath { buffer, old_file } => {
                 let buffer_id = buffer.read(cx).remote_id();
-                if let Some(local) = self.as_local_mut() {
-                    if let Some(old_file) = File::from_dyn(old_file.as_ref()) {
-                        local.reset_buffer(buffer, old_file, cx);
+                if let Some(local) = self.as_local_mut()
+                    && let Some(old_file) = File::from_dyn(old_file.as_ref())
+                {
+                    local.reset_buffer(buffer, old_file, cx);
 
-                        if local.registered_buffers.contains_key(&buffer_id) {
-                            local.unregister_old_buffer_from_language_servers(buffer, old_file, cx);
-                        }
+                    if local.registered_buffers.contains_key(&buffer_id) {
+                        local.unregister_old_buffer_from_language_servers(buffer, old_file, cx);
                     }
                 }
 
@@ -3954,14 +3925,12 @@ impl LspStore {
 
     fn on_toolchain_store_event(
         &mut self,
-        _: Entity<ToolchainStore>,
+        _: Entity<LocalToolchainStore>,
         event: &ToolchainStoreEvent,
         _: &mut Context<Self>,
     ) {
         match event {
-            ToolchainStoreEvent::ToolchainActivated { .. } => {
-                self.request_workspace_config_refresh()
-            }
+            ToolchainStoreEvent::ToolchainActivated => self.request_workspace_config_refresh(),
         }
     }
 
@@ -4033,9 +4002,9 @@ impl LspStore {
                     let local = this.as_local()?;
 
                     let mut servers = Vec::new();
-                    for ((worktree_id, _), server_ids) in &local.language_server_ids {
-                        for server_id in server_ids {
-                            let Some(states) = local.language_servers.get(server_id) else {
+                    for (seed, state) in &local.language_server_ids {
+
+                            let Some(states) = local.language_servers.get(&state.id) else {
                                 continue;
                             };
                             let (json_adapter, json_server) = match states {
@@ -4050,7 +4019,7 @@ impl LspStore {
                             let Some(worktree) = this
                                 .worktree_store
                                 .read(cx)
-                                .worktree_for_id(*worktree_id, cx)
+                                .worktree_for_id(seed.worktree_id, cx)
                             else {
                                 continue;
                             };
@@ -4066,9 +4035,9 @@ impl LspStore {
                                 );
 
                             servers.push((json_adapter, json_server, json_delegate));
-                        }
+
                     }
-                    return Some(servers);
+                    Some(servers)
                 })
                 .ok()
                 .flatten();
@@ -4077,10 +4046,10 @@ impl LspStore {
                 return;
             };
 
-            let Ok(Some((fs, toolchain_store))) = this.read_with(cx, |this, cx| {
+            let Ok(Some((fs, _))) = this.read_with(cx, |this, _| {
                 let local = this.as_local()?;
-                let toolchain_store = this.toolchain_store(cx);
-                return Some((local.fs.clone(), toolchain_store));
+                let toolchain_store = local.toolchain_store().clone();
+                Some((local.fs.clone(), toolchain_store))
             }) else {
                 return;
             };
@@ -4091,7 +4060,7 @@ impl LspStore {
                         adapter,
                         fs.as_ref(),
                         &delegate,
-                        toolchain_store.clone(),
+                        None,
                         cx,
                     )
                     .await
@@ -4160,7 +4129,7 @@ impl LspStore {
                         local.registered_buffers.remove(&buffer_id);
                         local.buffers_opened_in_servers.remove(&buffer_id);
                         if let Some(file) = File::from_dyn(buffer.read(cx).file()).cloned() {
-                            local.unregister_old_buffer_from_language_servers(&buffer, &file, cx);
+                            local.unregister_old_buffer_from_language_servers(buffer, &file, cx);
                         }
                     }
                 })
@@ -4230,14 +4199,12 @@ impl LspStore {
                                             if local
                                                 .registered_buffers
                                                 .contains_key(&buffer.read(cx).remote_id())
-                                            {
-                                                if let Some(file_url) =
+                                                && let Some(file_url) =
                                                     file_path_to_lsp_url(&f.abs_path(cx)).log_err()
-                                                {
-                                                    local.unregister_buffer_from_language_servers(
-                                                        &buffer, &file_url, cx,
-                                                    );
-                                                }
+                                            {
+                                                local.unregister_buffer_from_language_servers(
+                                                    &buffer, &file_url, cx,
+                                                );
                                             }
                                         }
                                     }
@@ -4335,25 +4302,19 @@ impl LspStore {
         let buffer = buffer_entity.read(cx);
         let buffer_file = buffer.file().cloned();
         let buffer_id = buffer.remote_id();
-        if let Some(local_store) = self.as_local_mut() {
-            if local_store.registered_buffers.contains_key(&buffer_id) {
-                if let Some(abs_path) =
-                    File::from_dyn(buffer_file.as_ref()).map(|file| file.abs_path(cx))
-                {
-                    if let Some(file_url) = file_path_to_lsp_url(&abs_path).log_err() {
-                        local_store.unregister_buffer_from_language_servers(
-                            buffer_entity,
-                            &file_url,
-                            cx,
-                        );
-                    }
-                }
-            }
+        if let Some(local_store) = self.as_local_mut()
+            && local_store.registered_buffers.contains_key(&buffer_id)
+            && let Some(abs_path) =
+                File::from_dyn(buffer_file.as_ref()).map(|file| file.abs_path(cx))
+            && let Some(file_url) = file_path_to_lsp_url(&abs_path).log_err()
+        {
+            local_store.unregister_buffer_from_language_servers(buffer_entity, &file_url, cx);
         }
         buffer_entity.update(cx, |buffer, cx| {
-            if buffer.language().map_or(true, |old_language| {
-                !Arc::ptr_eq(old_language, &new_language)
-            }) {
+            if buffer
+                .language()
+                .is_none_or(|old_language| !Arc::ptr_eq(old_language, &new_language))
+            {
                 buffer.set_language(Some(new_language.clone()), cx);
             }
         });
@@ -4365,33 +4326,28 @@ impl LspStore {
         let worktree_id = if let Some(file) = buffer_file {
             let worktree = file.worktree.clone();
 
-            if let Some(local) = self.as_local_mut() {
-                if local.registered_buffers.contains_key(&buffer_id) {
-                    local.register_buffer_with_language_servers(
-                        buffer_entity,
-                        HashSet::default(),
-                        cx,
-                    );
-                }
+            if let Some(local) = self.as_local_mut()
+                && local.registered_buffers.contains_key(&buffer_id)
+            {
+                local.register_buffer_with_language_servers(buffer_entity, HashSet::default(), cx);
             }
             Some(worktree.read(cx).id())
         } else {
             None
         };
 
-        if settings.prettier.allowed {
-            if let Some(prettier_plugins) = prettier_store::prettier_plugins_for_language(&settings)
-            {
-                let prettier_store = self.as_local().map(|s| s.prettier_store.clone());
-                if let Some(prettier_store) = prettier_store {
-                    prettier_store.update(cx, |prettier_store, cx| {
-                        prettier_store.install_default_prettier(
-                            worktree_id,
-                            prettier_plugins.iter().map(|s| Arc::from(s.as_str())),
-                            cx,
-                        )
-                    })
-                }
+        if settings.prettier.allowed
+            && let Some(prettier_plugins) = prettier_store::prettier_plugins_for_language(&settings)
+        {
+            let prettier_store = self.as_local().map(|s| s.prettier_store.clone());
+            if let Some(prettier_store) = prettier_store {
+                prettier_store.update(cx, |prettier_store, cx| {
+                    prettier_store.install_default_prettier(
+                        worktree_id,
+                        prettier_plugins.iter().map(|s| Arc::from(s.as_str())),
+                        cx,
+                    )
+                })
             }
         }
 
@@ -4410,37 +4366,92 @@ impl LspStore {
     }
 
     pub(crate) fn send_diagnostic_summaries(&self, worktree: &mut Worktree) {
-        if let Some((client, downstream_project_id)) = self.downstream_client.clone() {
-            if let Some(summaries) = self.diagnostic_summaries.get(&worktree.id()) {
-                for (path, summaries) in summaries {
-                    for (&server_id, summary) in summaries {
-                        client
-                            .send(proto::UpdateDiagnosticSummary {
-                                project_id: downstream_project_id,
-                                worktree_id: worktree.id().to_proto(),
-                                summary: Some(summary.to_proto(server_id, path)),
-                            })
-                            .log_err();
-                    }
-                }
+        if let Some((client, downstream_project_id)) = self.downstream_client.clone()
+            && let Some(diangostic_summaries) = self.diagnostic_summaries.get(&worktree.id())
+        {
+            let mut summaries = diangostic_summaries.iter().flat_map(|(path, summaries)| {
+                summaries
+                    .iter()
+                    .map(|(server_id, summary)| summary.to_proto(*server_id, path))
+            });
+            if let Some(summary) = summaries.next() {
+                client
+                    .send(proto::UpdateDiagnosticSummary {
+                        project_id: downstream_project_id,
+                        worktree_id: worktree.id().to_proto(),
+                        summary: Some(summary),
+                        more_summaries: summaries.collect(),
+                    })
+                    .log_err();
             }
         }
     }
 
-    pub fn request_lsp<R: LspCommand>(
+    fn is_capable_for_proto_request<R>(
+        &self,
+        buffer: &Entity<Buffer>,
+        request: &R,
+        cx: &Context<Self>,
+    ) -> bool
+    where
+        R: LspCommand,
+    {
+        self.check_if_capable_for_proto_request(
+            buffer,
+            |capabilities| {
+                request.check_capabilities(AdapterServerCapabilities {
+                    server_capabilities: capabilities.clone(),
+                    code_action_kinds: None,
+                })
+            },
+            cx,
+        )
+    }
+
+    fn check_if_capable_for_proto_request<F>(
+        &self,
+        buffer: &Entity<Buffer>,
+        check: F,
+        cx: &Context<Self>,
+    ) -> bool
+    where
+        F: Fn(&lsp::ServerCapabilities) -> bool,
+    {
+        let Some(language) = buffer.read(cx).language().cloned() else {
+            return false;
+        };
+        let relevant_language_servers = self
+            .languages
+            .lsp_adapters(&language.name())
+            .into_iter()
+            .map(|lsp_adapter| lsp_adapter.name())
+            .collect::<HashSet<_>>();
+        self.language_server_statuses
+            .iter()
+            .filter_map(|(server_id, server_status)| {
+                relevant_language_servers
+                    .contains(&server_status.name)
+                    .then_some(server_id)
+            })
+            .filter_map(|server_id| self.lsp_server_capabilities.get(server_id))
+            .any(check)
+    }
+
+    pub fn request_lsp<R>(
         &mut self,
-        buffer_handle: Entity<Buffer>,
+        buffer: Entity<Buffer>,
         server: LanguageServerToQuery,
         request: R,
         cx: &mut Context<Self>,
     ) -> Task<Result<R::Response>>
     where
+        R: LspCommand,
         <R::LspRequest as lsp::request::Request>::Result: Send,
         <R::LspRequest as lsp::request::Request>::Params: Send,
     {
         if let Some((upstream_client, upstream_project_id)) = self.upstream_client() {
             return self.send_lsp_proto_request(
-                buffer_handle,
+                buffer,
                 upstream_client,
                 upstream_project_id,
                 request,
@@ -4448,7 +4459,7 @@ impl LspStore {
             );
         }
 
-        let Some(language_server) = buffer_handle.update(cx, |buffer, cx| match server {
+        let Some(language_server) = buffer.update(cx, |buffer, cx| match server {
             LanguageServerToQuery::FirstCapable => self.as_local().and_then(|local| {
                 local
                     .language_servers_for_buffer(buffer, cx)
@@ -4468,8 +4479,7 @@ impl LspStore {
             return Task::ready(Ok(Default::default()));
         };
 
-        let buffer = buffer_handle.read(cx);
-        let file = File::from_dyn(buffer.file()).and_then(File::as_local);
+        let file = File::from_dyn(buffer.read(cx).file()).and_then(File::as_local);
 
         let Some(file) = file else {
             return Task::ready(Ok(Default::default()));
@@ -4477,7 +4487,7 @@ impl LspStore {
 
         let lsp_params = match request.to_lsp_params_or_response(
             &file.abs_path(cx),
-            buffer,
+            buffer.read(cx),
             &language_server,
             cx,
         ) {
@@ -4500,7 +4510,7 @@ impl LspStore {
         if !request.check_capabilities(language_server.adapter_server_capabilities()) {
             return Task::ready(Ok(Default::default()));
         }
-        return cx.spawn(async move |this, cx| {
+        cx.spawn(async move |this, cx| {
             let lsp_request = language_server.request::<R::LspRequest>(lsp_params);
 
             let id = lsp_request.id();
@@ -4549,17 +4559,16 @@ impl LspStore {
                 anyhow::anyhow!(message)
             })?;
 
-            let response = request
+            request
                 .response_from_lsp(
                     response,
                     this.upgrade().context("no app context")?,
-                    buffer_handle,
+                    buffer,
                     language_server.server_id(),
                     cx.clone(),
                 )
-                .await;
-            response
-        });
+                .await
+        })
     }
 
     fn on_settings_changed(&mut self, cx: &mut Context<Self>) {
@@ -4577,7 +4586,7 @@ impl LspStore {
             }
         }
 
-        self.refresh_server_tree(cx);
+        self.request_workspace_config_refresh();
 
         if let Some(prettier_store) = self.as_local().map(|s| s.prettier_store.clone()) {
             prettier_store.update(cx, |prettier_store, cx| {
@@ -4590,156 +4599,148 @@ impl LspStore {
 
     fn refresh_server_tree(&mut self, cx: &mut Context<Self>) {
         let buffer_store = self.buffer_store.clone();
-        if let Some(local) = self.as_local_mut() {
-            let mut adapters = BTreeMap::default();
-            let get_adapter = {
-                let languages = local.languages.clone();
-                let environment = local.environment.clone();
-                let weak = local.weak.clone();
-                let worktree_store = local.worktree_store.clone();
-                let http_client = local.http_client.clone();
-                let fs = local.fs.clone();
-                move |worktree_id, cx: &mut App| {
-                    let worktree = worktree_store.read(cx).worktree_for_id(worktree_id, cx)?;
-                    Some(LocalLspAdapterDelegate::new(
-                        languages.clone(),
-                        &environment,
-                        weak.clone(),
-                        &worktree,
-                        http_client.clone(),
-                        fs.clone(),
-                        cx,
-                    ))
-                }
-            };
+        let Some(local) = self.as_local_mut() else {
+            return;
+        };
+        let mut adapters = BTreeMap::default();
+        let get_adapter = {
+            let languages = local.languages.clone();
+            let environment = local.environment.clone();
+            let weak = local.weak.clone();
+            let worktree_store = local.worktree_store.clone();
+            let http_client = local.http_client.clone();
+            let fs = local.fs.clone();
+            move |worktree_id, cx: &mut App| {
+                let worktree = worktree_store.read(cx).worktree_for_id(worktree_id, cx)?;
+                Some(LocalLspAdapterDelegate::new(
+                    languages.clone(),
+                    &environment,
+                    weak.clone(),
+                    &worktree,
+                    http_client.clone(),
+                    fs.clone(),
+                    cx,
+                ))
+            }
+        };
 
-            let mut messages_to_report = Vec::new();
-            let to_stop = local.lsp_tree.clone().update(cx, |lsp_tree, cx| {
-                let mut rebase = lsp_tree.rebase();
-                for buffer_handle in buffer_store.read(cx).buffers().sorted_by_key(|buffer| {
-                    Reverse(
-                        File::from_dyn(buffer.read(cx).file())
-                            .map(|file| file.worktree.read(cx).is_visible()),
-                    )
-                }) {
-                    let buffer = buffer_handle.read(cx);
-                    if !local.registered_buffers.contains_key(&buffer.remote_id()) {
-                        continue;
-                    }
-                    if let Some((file, language)) = File::from_dyn(buffer.file())
-                        .cloned()
-                        .zip(buffer.language().map(|l| l.name()))
+        let mut messages_to_report = Vec::new();
+        let (new_tree, to_stop) = {
+            let mut rebase = local.lsp_tree.rebase();
+            let buffers = buffer_store
+                .read(cx)
+                .buffers()
+                .filter_map(|buffer| {
+                    let raw_buffer = buffer.read(cx);
+                    if !local
+                        .registered_buffers
+                        .contains_key(&raw_buffer.remote_id())
                     {
-                        let worktree_id = file.worktree_id(cx);
-                        let Some(worktree) = local
-                            .worktree_store
-                            .read(cx)
-                            .worktree_for_id(worktree_id, cx)
-                        else {
-                            continue;
-                        };
+                        return None;
+                    }
+                    let file = File::from_dyn(raw_buffer.file()).cloned()?;
+                    let language = raw_buffer.language().cloned()?;
+                    Some((file, language, raw_buffer.remote_id()))
+                })
+                .sorted_by_key(|(file, _, _)| Reverse(file.worktree.read(cx).is_visible()));
+            for (file, language, buffer_id) in buffers {
+                let worktree_id = file.worktree_id(cx);
+                let Some(worktree) = local
+                    .worktree_store
+                    .read(cx)
+                    .worktree_for_id(worktree_id, cx)
+                else {
+                    continue;
+                };
 
-                        let Some((reused, delegate, nodes)) = local
-                            .reuse_existing_language_server(
-                                rebase.server_tree(),
+                if let Some((_, apply)) = local.reuse_existing_language_server(
+                    rebase.server_tree(),
+                    &worktree,
+                    &language.name(),
+                    cx,
+                ) {
+                    (apply)(rebase.server_tree());
+                } else if let Some(lsp_delegate) = adapters
+                    .entry(worktree_id)
+                    .or_insert_with(|| get_adapter(worktree_id, cx))
+                    .clone()
+                {
+                    let delegate =
+                        Arc::new(ManifestQueryDelegate::new(worktree.read(cx).snapshot()));
+                    let path = file
+                        .path()
+                        .parent()
+                        .map(Arc::from)
+                        .unwrap_or_else(|| file.path().clone());
+                    let worktree_path = ProjectPath { worktree_id, path };
+                    let abs_path = file.abs_path(cx);
+                    let worktree_root = worktree.read(cx).abs_path();
+                    let nodes = rebase
+                        .walk(
+                            worktree_path,
+                            language.name(),
+                            language.manifest(),
+                            delegate.clone(),
+                            cx,
+                        )
+                        .collect::<Vec<_>>();
+                    for node in nodes {
+                        let server_id = node.server_id_or_init(|disposition| {
+                            let path = &disposition.path;
+                            let uri = Url::from_file_path(worktree_root.join(&path.path));
+                            let key = LanguageServerSeed {
+                                worktree_id,
+                                name: disposition.server_name.clone(),
+                                settings: disposition.settings.clone(),
+                                toolchain: local.toolchain_store.read(cx).active_toolchain(
+                                    path.worktree_id,
+                                    &path.path,
+                                    language.name(),
+                                ),
+                            };
+                            local.language_server_ids.remove(&key);
+
+                            let server_id = local.get_or_insert_language_server(
                                 &worktree,
-                                &language,
+                                lsp_delegate.clone(),
+                                disposition,
+                                &language.name(),
                                 cx,
-                            )
-                            .map(|(delegate, servers)| (true, delegate, servers))
-                            .or_else(|| {
-                                let lsp_delegate = adapters
-                                    .entry(worktree_id)
-                                    .or_insert_with(|| get_adapter(worktree_id, cx))
-                                    .clone()?;
-                                let delegate = Arc::new(ManifestQueryDelegate::new(
-                                    worktree.read(cx).snapshot(),
-                                ));
-                                let path = file
-                                    .path()
-                                    .parent()
-                                    .map(Arc::from)
-                                    .unwrap_or_else(|| file.path().clone());
-                                let worktree_path = ProjectPath { worktree_id, path };
+                            );
+                            if let Some(state) = local.language_servers.get(&server_id)
+                                && let Ok(uri) = uri
+                            {
+                                state.add_workspace_folder(uri);
+                            };
+                            server_id
+                        });
 
-                                let nodes = rebase.get(
-                                    worktree_path,
-                                    AdapterQuery::Language(&language),
-                                    delegate.clone(),
-                                    cx,
-                                );
-
-                                Some((false, lsp_delegate, nodes.collect()))
-                            })
-                        else {
-                            continue;
-                        };
-
-                        let abs_path = file.abs_path(cx);
-                        for node in nodes {
-                            if !reused {
-                                let server_id = node.server_id_or_init(
-                                    |LaunchDisposition {
-                                         server_name,
-
-                                         path,
-                                         settings,
-                                     }|
-                                         {
-                                            let uri = Url::from_file_path(
-                                                worktree.read(cx).abs_path().join(&path.path),
-                                            );
-                                            let key = (worktree_id, server_name.clone());
-                                            local.language_server_ids.remove(&key);
-
-                                            let adapter = local
-                                                .languages
-                                                .lsp_adapters(&language)
-                                                .into_iter()
-                                                .find(|adapter| &adapter.name() == server_name)
-                                                .expect("To find LSP adapter");
-                                            let server_id = local.start_language_server(
-                                                &worktree,
-                                                delegate.clone(),
-                                                adapter,
-                                                settings,
-                                                cx,
-                                            );
-                                            if let Some(state) =
-                                                local.language_servers.get(&server_id)
-                                            {
-                                                if let Ok(uri) = uri {
-                                                    state.add_workspace_folder(uri);
-                                                };
-                                            }
-                                            server_id
-                                        }
-                                );
-
-                                if let Some(language_server_id) = server_id {
-                                    messages_to_report.push(LspStoreEvent::LanguageServerUpdate {
-                                        language_server_id,
-                                        name: node.name(),
-                                        message:
-                                            proto::update_language_server::Variant::RegisteredForBuffer(
-                                                proto::RegisteredForBuffer {
-                                                    buffer_abs_path: abs_path.to_string_lossy().to_string(),
-                                                },
-                                            ),
-                                    });
-                                }
-                            }
+                        if let Some(language_server_id) = server_id {
+                            messages_to_report.push(LspStoreEvent::LanguageServerUpdate {
+                                language_server_id,
+                                name: node.name(),
+                                message:
+                                    proto::update_language_server::Variant::RegisteredForBuffer(
+                                        proto::RegisteredForBuffer {
+                                            buffer_abs_path: abs_path.to_string_lossy().to_string(),
+                                            buffer_id: buffer_id.to_proto(),
+                                        },
+                                    ),
+                            });
                         }
                     }
+                } else {
+                    continue;
                 }
-                rebase.finish()
-            });
-            for message in messages_to_report {
-                cx.emit(message);
-            }
-            for (id, _) in to_stop {
-                self.stop_local_language_server(id, cx).detach();
             }
+            rebase.finish()
+        };
+        for message in messages_to_report {
+            cx.emit(message);
+        }
+        local.lsp_tree = new_tree;
+        for (id, _) in to_stop {
+            self.stop_local_language_server(id, cx).detach();
         }
     }
 
@@ -4771,7 +4772,7 @@ impl LspStore {
                     .await
             })
         } else if self.mode.is_local() {
-            let Some((lsp_adapter, lang_server)) = buffer_handle.update(cx, |buffer, cx| {
+            let Some((_, lang_server)) = buffer_handle.update(cx, |buffer, cx| {
                 self.language_server_for_local_buffer(buffer, action.server_id, cx)
                     .map(|(adapter, server)| (adapter.clone(), server.clone()))
             }) else {
@@ -4781,19 +4782,18 @@ impl LspStore {
                 LocalLspStore::try_resolve_code_action(&lang_server, &mut action)
                     .await
                     .context("resolving a code action")?;
-                if let Some(edit) = action.lsp_action.edit() {
-                    if edit.changes.is_some() || edit.document_changes.is_some() {
+                if let Some(edit) = action.lsp_action.edit()
+                    && (edit.changes.is_some() || edit.document_changes.is_some()) {
                         return LocalLspStore::deserialize_workspace_edit(
                             this.upgrade().context("no app present")?,
                             edit.clone(),
                             push_to_history,
-                            lsp_adapter.clone(),
+
                             lang_server.clone(),
                             cx,
                         )
                         .await;
                     }
-                }
 
                 if let Some(command) = action.lsp_action.command() {
                     let server_capabilities = lang_server.capabilities();
@@ -4845,7 +4845,7 @@ impl LspStore {
         push_to_history: bool,
         cx: &mut Context<Self>,
     ) -> Task<anyhow::Result<ProjectTransaction>> {
-        if let Some(_) = self.as_local() {
+        if self.as_local().is_some() {
             cx.spawn(async move |lsp_store, cx| {
                 let buffers = buffers.into_iter().collect::<Vec<_>>();
                 let result = LocalLspStore::execute_code_action_kind_locally(
@@ -4899,15 +4899,20 @@ impl LspStore {
 
     pub fn resolve_inlay_hint(
         &self,
-        hint: InlayHint,
-        buffer_handle: Entity<Buffer>,
+        mut hint: InlayHint,
+        buffer: Entity<Buffer>,
         server_id: LanguageServerId,
         cx: &mut Context<Self>,
     ) -> Task<anyhow::Result<InlayHint>> {
         if let Some((upstream_client, project_id)) = self.upstream_client() {
+            if !self.check_if_capable_for_proto_request(&buffer, InlayHints::can_resolve_inlays, cx)
+            {
+                hint.resolve_state = ResolveState::Resolved;
+                return Task::ready(Ok(hint));
+            }
             let request = proto::ResolveInlayHint {
                 project_id,
-                buffer_id: buffer_handle.read(cx).remote_id().into(),
+                buffer_id: buffer.read(cx).remote_id().into(),
                 language_server_id: server_id.0 as u64,
                 hint: Some(InlayHints::project_to_proto_hint(hint.clone())),
             };
@@ -4923,7 +4928,7 @@ impl LspStore {
                 }
             })
         } else {
-            let Some(lang_server) = buffer_handle.update(cx, |buffer, cx| {
+            let Some(lang_server) = buffer.update(cx, |buffer, cx| {
                 self.language_server_for_local_buffer(buffer, server_id, cx)
                     .map(|(_, server)| server.clone())
             }) else {
@@ -4932,7 +4937,7 @@ impl LspStore {
             if !InlayHints::can_resolve_inlays(&lang_server.capabilities()) {
                 return Task::ready(Ok(hint));
             }
-            let buffer_snapshot = buffer_handle.read(cx).snapshot();
+            let buffer_snapshot = buffer.read(cx).snapshot();
             cx.spawn(async move |_, cx| {
                 let resolve_task = lang_server.request::<lsp::request::InlayHintResolveRequest>(
                     InlayHints::project_to_lsp_hint(hint, &buffer_snapshot),
@@ -4943,7 +4948,7 @@ impl LspStore {
                     .context("inlay hint resolve LSP request")?;
                 let resolved_hint = InlayHints::lsp_to_project_hint(
                     resolved_hint,
-                    &buffer_handle,
+                    &buffer,
                     server_id,
                     ResolveState::Resolved,
                     false,
@@ -5054,7 +5059,7 @@ impl LspStore {
         }
     }
 
-    pub(crate) fn linked_edit(
+    pub(crate) fn linked_edits(
         &mut self,
         buffer: &Entity<Buffer>,
         position: Anchor,
@@ -5069,10 +5074,7 @@ impl LspStore {
                     local
                         .language_servers_for_buffer(buffer, cx)
                         .filter(|(_, server)| {
-                            server
-                                .capabilities()
-                                .linked_editing_range_provider
-                                .is_some()
+                            LinkedEditingRange::check_server_capabilities(server.capabilities())
                         })
                         .filter(|(adapter, _)| {
                             scope
@@ -5099,7 +5101,7 @@ impl LspStore {
                 }) == Some(true)
             })
         else {
-            return Task::ready(Ok(vec![]));
+            return Task::ready(Ok(Vec::new()));
         };
 
         self.request_lsp(
@@ -5118,6 +5120,15 @@ impl LspStore {
         cx: &mut Context<Self>,
     ) -> Task<Result<Option<Transaction>>> {
         if let Some((client, project_id)) = self.upstream_client() {
+            if !self.check_if_capable_for_proto_request(
+                &buffer,
+                |capabilities| {
+                    OnTypeFormatting::supports_on_type_formatting(&trigger, capabilities)
+                },
+                cx,
+            ) {
+                return Task::ready(Ok(None));
+            }
             let request = proto::OnTypeFormatting {
                 project_id,
                 buffer_id: buffer.read(cx).remote_id().into(),
@@ -5224,448 +5235,395 @@ impl LspStore {
 
     pub fn definitions(
         &mut self,
-        buffer_handle: &Entity<Buffer>,
+        buffer: &Entity<Buffer>,
         position: PointUtf16,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<LocationLink>>> {
+    ) -> Task<Result<Option<Vec<LocationLink>>>> {
         if let Some((upstream_client, project_id)) = self.upstream_client() {
-            let request_task = upstream_client.request(proto::MultiLspQuery {
-                buffer_id: buffer_handle.read(cx).remote_id().into(),
-                version: serialize_version(&buffer_handle.read(cx).version()),
+            let request = GetDefinitions { position };
+            if !self.is_capable_for_proto_request(buffer, &request, cx) {
+                return Task::ready(Ok(None));
+            }
+            let request_task = upstream_client.request_lsp(
                 project_id,
-                strategy: Some(proto::multi_lsp_query::Strategy::All(
-                    proto::AllLanguageServers {},
-                )),
-                request: Some(proto::multi_lsp_query::Request::GetDefinition(
-                    GetDefinitions { position }.to_proto(project_id, buffer_handle.read(cx)),
-                )),
-            });
-            let buffer = buffer_handle.clone();
+                LSP_REQUEST_TIMEOUT,
+                cx.background_executor().clone(),
+                request.to_proto(project_id, buffer.read(cx)),
+            );
+            let buffer = buffer.clone();
             cx.spawn(async move |weak_project, cx| {
                 let Some(project) = weak_project.upgrade() else {
-                    return Ok(Vec::new());
+                    return Ok(None);
                 };
-                let responses = request_task.await?.responses;
-                let actions = join_all(
-                    responses
-                        .into_iter()
-                        .filter_map(|lsp_response| match lsp_response.response? {
-                            proto::lsp_response::Response::GetDefinitionResponse(response) => {
-                                Some(response)
-                            }
-                            unexpected => {
-                                debug_panic!("Unexpected response: {unexpected:?}");
-                                None
-                            }
-                        })
-                        .map(|definitions_response| {
-                            GetDefinitions { position }.response_from_proto(
-                                definitions_response,
-                                project.clone(),
-                                buffer.clone(),
-                                cx.clone(),
-                            )
-                        }),
-                )
+                let Some(responses) = request_task.await? else {
+                    return Ok(None);
+                };
+                let actions = join_all(responses.payload.into_iter().map(|response| {
+                    GetDefinitions { position }.response_from_proto(
+                        response.response,
+                        project.clone(),
+                        buffer.clone(),
+                        cx.clone(),
+                    )
+                }))
                 .await;
 
-                Ok(actions
-                    .into_iter()
-                    .collect::<Result<Vec<Vec<_>>>>()?
-                    .into_iter()
-                    .flatten()
-                    .dedup()
-                    .collect())
+                Ok(Some(
+                    actions
+                        .into_iter()
+                        .collect::<Result<Vec<Vec<_>>>>()?
+                        .into_iter()
+                        .flatten()
+                        .dedup()
+                        .collect(),
+                ))
             })
         } else {
             let definitions_task = self.request_multiple_lsp_locally(
-                buffer_handle,
+                buffer,
                 Some(position),
                 GetDefinitions { position },
                 cx,
             );
             cx.background_spawn(async move {
-                Ok(definitions_task
-                    .await
-                    .into_iter()
-                    .flat_map(|(_, definitions)| definitions)
-                    .dedup()
-                    .collect())
+                Ok(Some(
+                    definitions_task
+                        .await
+                        .into_iter()
+                        .flat_map(|(_, definitions)| definitions)
+                        .dedup()
+                        .collect(),
+                ))
             })
         }
     }
 
     pub fn declarations(
         &mut self,
-        buffer_handle: &Entity<Buffer>,
+        buffer: &Entity<Buffer>,
         position: PointUtf16,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<LocationLink>>> {
+    ) -> Task<Result<Option<Vec<LocationLink>>>> {
         if let Some((upstream_client, project_id)) = self.upstream_client() {
-            let request_task = upstream_client.request(proto::MultiLspQuery {
-                buffer_id: buffer_handle.read(cx).remote_id().into(),
-                version: serialize_version(&buffer_handle.read(cx).version()),
+            let request = GetDeclarations { position };
+            if !self.is_capable_for_proto_request(buffer, &request, cx) {
+                return Task::ready(Ok(None));
+            }
+            let request_task = upstream_client.request_lsp(
                 project_id,
-                strategy: Some(proto::multi_lsp_query::Strategy::All(
-                    proto::AllLanguageServers {},
-                )),
-                request: Some(proto::multi_lsp_query::Request::GetDeclaration(
-                    GetDeclarations { position }.to_proto(project_id, buffer_handle.read(cx)),
-                )),
-            });
-            let buffer = buffer_handle.clone();
+                LSP_REQUEST_TIMEOUT,
+                cx.background_executor().clone(),
+                request.to_proto(project_id, buffer.read(cx)),
+            );
+            let buffer = buffer.clone();
             cx.spawn(async move |weak_project, cx| {
                 let Some(project) = weak_project.upgrade() else {
-                    return Ok(Vec::new());
+                    return Ok(None);
                 };
-                let responses = request_task.await?.responses;
-                let actions = join_all(
-                    responses
-                        .into_iter()
-                        .filter_map(|lsp_response| match lsp_response.response? {
-                            proto::lsp_response::Response::GetDeclarationResponse(response) => {
-                                Some(response)
-                            }
-                            unexpected => {
-                                debug_panic!("Unexpected response: {unexpected:?}");
-                                None
-                            }
-                        })
-                        .map(|declarations_response| {
-                            GetDeclarations { position }.response_from_proto(
-                                declarations_response,
-                                project.clone(),
-                                buffer.clone(),
-                                cx.clone(),
-                            )
-                        }),
-                )
+                let Some(responses) = request_task.await? else {
+                    return Ok(None);
+                };
+                let actions = join_all(responses.payload.into_iter().map(|response| {
+                    GetDeclarations { position }.response_from_proto(
+                        response.response,
+                        project.clone(),
+                        buffer.clone(),
+                        cx.clone(),
+                    )
+                }))
                 .await;
 
-                Ok(actions
-                    .into_iter()
-                    .collect::<Result<Vec<Vec<_>>>>()?
-                    .into_iter()
-                    .flatten()
-                    .dedup()
-                    .collect())
+                Ok(Some(
+                    actions
+                        .into_iter()
+                        .collect::<Result<Vec<Vec<_>>>>()?
+                        .into_iter()
+                        .flatten()
+                        .dedup()
+                        .collect(),
+                ))
             })
         } else {
             let declarations_task = self.request_multiple_lsp_locally(
-                buffer_handle,
+                buffer,
                 Some(position),
                 GetDeclarations { position },
                 cx,
             );
             cx.background_spawn(async move {
-                Ok(declarations_task
-                    .await
-                    .into_iter()
-                    .flat_map(|(_, declarations)| declarations)
-                    .dedup()
-                    .collect())
+                Ok(Some(
+                    declarations_task
+                        .await
+                        .into_iter()
+                        .flat_map(|(_, declarations)| declarations)
+                        .dedup()
+                        .collect(),
+                ))
             })
         }
     }
 
     pub fn type_definitions(
         &mut self,
-        buffer_handle: &Entity<Buffer>,
+        buffer: &Entity<Buffer>,
         position: PointUtf16,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<LocationLink>>> {
+    ) -> Task<Result<Option<Vec<LocationLink>>>> {
         if let Some((upstream_client, project_id)) = self.upstream_client() {
-            let request_task = upstream_client.request(proto::MultiLspQuery {
-                buffer_id: buffer_handle.read(cx).remote_id().into(),
-                version: serialize_version(&buffer_handle.read(cx).version()),
+            let request = GetTypeDefinitions { position };
+            if !self.is_capable_for_proto_request(buffer, &request, cx) {
+                return Task::ready(Ok(None));
+            }
+            let request_task = upstream_client.request_lsp(
                 project_id,
-                strategy: Some(proto::multi_lsp_query::Strategy::All(
-                    proto::AllLanguageServers {},
-                )),
-                request: Some(proto::multi_lsp_query::Request::GetTypeDefinition(
-                    GetTypeDefinitions { position }.to_proto(project_id, buffer_handle.read(cx)),
-                )),
-            });
-            let buffer = buffer_handle.clone();
+                LSP_REQUEST_TIMEOUT,
+                cx.background_executor().clone(),
+                request.to_proto(project_id, buffer.read(cx)),
+            );
+            let buffer = buffer.clone();
             cx.spawn(async move |weak_project, cx| {
                 let Some(project) = weak_project.upgrade() else {
-                    return Ok(Vec::new());
+                    return Ok(None);
                 };
-                let responses = request_task.await?.responses;
-                let actions = join_all(
-                    responses
-                        .into_iter()
-                        .filter_map(|lsp_response| match lsp_response.response? {
-                            proto::lsp_response::Response::GetTypeDefinitionResponse(response) => {
-                                Some(response)
-                            }
-                            unexpected => {
-                                debug_panic!("Unexpected response: {unexpected:?}");
-                                None
-                            }
-                        })
-                        .map(|type_definitions_response| {
-                            GetTypeDefinitions { position }.response_from_proto(
-                                type_definitions_response,
-                                project.clone(),
-                                buffer.clone(),
-                                cx.clone(),
-                            )
-                        }),
-                )
+                let Some(responses) = request_task.await? else {
+                    return Ok(None);
+                };
+                let actions = join_all(responses.payload.into_iter().map(|response| {
+                    GetTypeDefinitions { position }.response_from_proto(
+                        response.response,
+                        project.clone(),
+                        buffer.clone(),
+                        cx.clone(),
+                    )
+                }))
                 .await;
 
-                Ok(actions
-                    .into_iter()
-                    .collect::<Result<Vec<Vec<_>>>>()?
-                    .into_iter()
-                    .flatten()
-                    .dedup()
-                    .collect())
+                Ok(Some(
+                    actions
+                        .into_iter()
+                        .collect::<Result<Vec<Vec<_>>>>()?
+                        .into_iter()
+                        .flatten()
+                        .dedup()
+                        .collect(),
+                ))
             })
         } else {
             let type_definitions_task = self.request_multiple_lsp_locally(
-                buffer_handle,
+                buffer,
                 Some(position),
                 GetTypeDefinitions { position },
                 cx,
             );
             cx.background_spawn(async move {
-                Ok(type_definitions_task
-                    .await
-                    .into_iter()
-                    .flat_map(|(_, type_definitions)| type_definitions)
-                    .dedup()
-                    .collect())
+                Ok(Some(
+                    type_definitions_task
+                        .await
+                        .into_iter()
+                        .flat_map(|(_, type_definitions)| type_definitions)
+                        .dedup()
+                        .collect(),
+                ))
             })
         }
     }
 
     pub fn implementations(
         &mut self,
-        buffer_handle: &Entity<Buffer>,
+        buffer: &Entity<Buffer>,
         position: PointUtf16,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<LocationLink>>> {
+    ) -> Task<Result<Option<Vec<LocationLink>>>> {
         if let Some((upstream_client, project_id)) = self.upstream_client() {
-            let request_task = upstream_client.request(proto::MultiLspQuery {
-                buffer_id: buffer_handle.read(cx).remote_id().into(),
-                version: serialize_version(&buffer_handle.read(cx).version()),
+            let request = GetImplementations { position };
+            if !self.is_capable_for_proto_request(buffer, &request, cx) {
+                return Task::ready(Ok(None));
+            }
+            let request_task = upstream_client.request_lsp(
                 project_id,
-                strategy: Some(proto::multi_lsp_query::Strategy::All(
-                    proto::AllLanguageServers {},
-                )),
-                request: Some(proto::multi_lsp_query::Request::GetImplementation(
-                    GetImplementations { position }.to_proto(project_id, buffer_handle.read(cx)),
-                )),
-            });
-            let buffer = buffer_handle.clone();
+                LSP_REQUEST_TIMEOUT,
+                cx.background_executor().clone(),
+                request.to_proto(project_id, buffer.read(cx)),
+            );
+            let buffer = buffer.clone();
             cx.spawn(async move |weak_project, cx| {
                 let Some(project) = weak_project.upgrade() else {
-                    return Ok(Vec::new());
+                    return Ok(None);
                 };
-                let responses = request_task.await?.responses;
-                let actions = join_all(
-                    responses
-                        .into_iter()
-                        .filter_map(|lsp_response| match lsp_response.response? {
-                            proto::lsp_response::Response::GetImplementationResponse(response) => {
-                                Some(response)
-                            }
-                            unexpected => {
-                                debug_panic!("Unexpected response: {unexpected:?}");
-                                None
-                            }
-                        })
-                        .map(|implementations_response| {
-                            GetImplementations { position }.response_from_proto(
-                                implementations_response,
-                                project.clone(),
-                                buffer.clone(),
-                                cx.clone(),
-                            )
-                        }),
-                )
+                let Some(responses) = request_task.await? else {
+                    return Ok(None);
+                };
+                let actions = join_all(responses.payload.into_iter().map(|response| {
+                    GetImplementations { position }.response_from_proto(
+                        response.response,
+                        project.clone(),
+                        buffer.clone(),
+                        cx.clone(),
+                    )
+                }))
                 .await;
 
-                Ok(actions
-                    .into_iter()
-                    .collect::<Result<Vec<Vec<_>>>>()?
-                    .into_iter()
-                    .flatten()
-                    .dedup()
-                    .collect())
+                Ok(Some(
+                    actions
+                        .into_iter()
+                        .collect::<Result<Vec<Vec<_>>>>()?
+                        .into_iter()
+                        .flatten()
+                        .dedup()
+                        .collect(),
+                ))
             })
         } else {
             let implementations_task = self.request_multiple_lsp_locally(
-                buffer_handle,
+                buffer,
                 Some(position),
                 GetImplementations { position },
                 cx,
             );
             cx.background_spawn(async move {
-                Ok(implementations_task
-                    .await
-                    .into_iter()
-                    .flat_map(|(_, implementations)| implementations)
-                    .dedup()
-                    .collect())
+                Ok(Some(
+                    implementations_task
+                        .await
+                        .into_iter()
+                        .flat_map(|(_, implementations)| implementations)
+                        .dedup()
+                        .collect(),
+                ))
             })
         }
     }
 
     pub fn references(
         &mut self,
-        buffer_handle: &Entity<Buffer>,
+        buffer: &Entity<Buffer>,
         position: PointUtf16,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<Location>>> {
+    ) -> Task<Result<Option<Vec<Location>>>> {
         if let Some((upstream_client, project_id)) = self.upstream_client() {
-            let request_task = upstream_client.request(proto::MultiLspQuery {
-                buffer_id: buffer_handle.read(cx).remote_id().into(),
-                version: serialize_version(&buffer_handle.read(cx).version()),
+            let request = GetReferences { position };
+            if !self.is_capable_for_proto_request(buffer, &request, cx) {
+                return Task::ready(Ok(None));
+            }
+
+            let request_task = upstream_client.request_lsp(
                 project_id,
-                strategy: Some(proto::multi_lsp_query::Strategy::All(
-                    proto::AllLanguageServers {},
-                )),
-                request: Some(proto::multi_lsp_query::Request::GetReferences(
-                    GetReferences { position }.to_proto(project_id, buffer_handle.read(cx)),
-                )),
-            });
-            let buffer = buffer_handle.clone();
+                LSP_REQUEST_TIMEOUT,
+                cx.background_executor().clone(),
+                request.to_proto(project_id, buffer.read(cx)),
+            );
+            let buffer = buffer.clone();
             cx.spawn(async move |weak_project, cx| {
                 let Some(project) = weak_project.upgrade() else {
-                    return Ok(Vec::new());
+                    return Ok(None);
+                };
+                let Some(responses) = request_task.await? else {
+                    return Ok(None);
                 };
-                let responses = request_task.await?.responses;
-                let actions = join_all(
-                    responses
-                        .into_iter()
-                        .filter_map(|lsp_response| match lsp_response.response? {
-                            proto::lsp_response::Response::GetReferencesResponse(response) => {
-                                Some(response)
-                            }
-                            unexpected => {
-                                debug_panic!("Unexpected response: {unexpected:?}");
-                                None
-                            }
-                        })
-                        .map(|references_response| {
-                            GetReferences { position }.response_from_proto(
-                                references_response,
-                                project.clone(),
-                                buffer.clone(),
-                                cx.clone(),
-                            )
-                        }),
-                )
-                .await;
 
-                Ok(actions
-                    .into_iter()
-                    .collect::<Result<Vec<Vec<_>>>>()?
-                    .into_iter()
-                    .flatten()
-                    .dedup()
-                    .collect())
+                let locations = join_all(responses.payload.into_iter().map(|lsp_response| {
+                    GetReferences { position }.response_from_proto(
+                        lsp_response.response,
+                        project.clone(),
+                        buffer.clone(),
+                        cx.clone(),
+                    )
+                }))
+                .await
+                .into_iter()
+                .collect::<Result<Vec<Vec<_>>>>()?
+                .into_iter()
+                .flatten()
+                .dedup()
+                .collect();
+                Ok(Some(locations))
             })
         } else {
             let references_task = self.request_multiple_lsp_locally(
-                buffer_handle,
+                buffer,
                 Some(position),
                 GetReferences { position },
                 cx,
             );
             cx.background_spawn(async move {
-                Ok(references_task
-                    .await
-                    .into_iter()
-                    .flat_map(|(_, references)| references)
-                    .dedup()
-                    .collect())
+                Ok(Some(
+                    references_task
+                        .await
+                        .into_iter()
+                        .flat_map(|(_, references)| references)
+                        .dedup()
+                        .collect(),
+                ))
             })
         }
     }
 
     pub fn code_actions(
         &mut self,
-        buffer_handle: &Entity<Buffer>,
+        buffer: &Entity<Buffer>,
         range: Range<Anchor>,
         kinds: Option<Vec<CodeActionKind>>,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<CodeAction>>> {
+    ) -> Task<Result<Option<Vec<CodeAction>>>> {
         if let Some((upstream_client, project_id)) = self.upstream_client() {
-            let request_task = upstream_client.request(proto::MultiLspQuery {
-                buffer_id: buffer_handle.read(cx).remote_id().into(),
-                version: serialize_version(&buffer_handle.read(cx).version()),
+            let request = GetCodeActions {
+                range: range.clone(),
+                kinds: kinds.clone(),
+            };
+            if !self.is_capable_for_proto_request(buffer, &request, cx) {
+                return Task::ready(Ok(None));
+            }
+            let request_task = upstream_client.request_lsp(
                 project_id,
-                strategy: Some(proto::multi_lsp_query::Strategy::All(
-                    proto::AllLanguageServers {},
-                )),
-                request: Some(proto::multi_lsp_query::Request::GetCodeActions(
+                LSP_REQUEST_TIMEOUT,
+                cx.background_executor().clone(),
+                request.to_proto(project_id, buffer.read(cx)),
+            );
+            let buffer = buffer.clone();
+            cx.spawn(async move |weak_project, cx| {
+                let Some(project) = weak_project.upgrade() else {
+                    return Ok(None);
+                };
+                let Some(responses) = request_task.await? else {
+                    return Ok(None);
+                };
+                let actions = join_all(responses.payload.into_iter().map(|response| {
                     GetCodeActions {
                         range: range.clone(),
                         kinds: kinds.clone(),
                     }
-                    .to_proto(project_id, buffer_handle.read(cx)),
-                )),
-            });
-            let buffer = buffer_handle.clone();
-            cx.spawn(async move |weak_project, cx| {
-                let Some(project) = weak_project.upgrade() else {
-                    return Ok(Vec::new());
-                };
-                let responses = request_task.await?.responses;
-                let actions = join_all(
-                    responses
-                        .into_iter()
-                        .filter_map(|lsp_response| match lsp_response.response? {
-                            proto::lsp_response::Response::GetCodeActionsResponse(response) => {
-                                Some(response)
-                            }
-                            unexpected => {
-                                debug_panic!("Unexpected response: {unexpected:?}");
-                                None
-                            }
-                        })
-                        .map(|code_actions_response| {
-                            GetCodeActions {
-                                range: range.clone(),
-                                kinds: kinds.clone(),
-                            }
-                            .response_from_proto(
-                                code_actions_response,
-                                project.clone(),
-                                buffer.clone(),
-                                cx.clone(),
-                            )
-                        }),
-                )
+                    .response_from_proto(
+                        response.response,
+                        project.clone(),
+                        buffer.clone(),
+                        cx.clone(),
+                    )
+                }))
                 .await;
 
-                Ok(actions
-                    .into_iter()
-                    .collect::<Result<Vec<Vec<_>>>>()?
-                    .into_iter()
-                    .flatten()
-                    .collect())
+                Ok(Some(
+                    actions
+                        .into_iter()
+                        .collect::<Result<Vec<Vec<_>>>>()?
+                        .into_iter()
+                        .flatten()
+                        .collect(),
+                ))
             })
         } else {
             let all_actions_task = self.request_multiple_lsp_locally(
-                buffer_handle,
+                buffer,
                 Some(range.start),
-                GetCodeActions {
-                    range: range.clone(),
-                    kinds: kinds.clone(),
-                },
+                GetCodeActions { range, kinds },
                 cx,
             );
             cx.background_spawn(async move {
-                Ok(all_actions_task
-                    .await
-                    .into_iter()
-                    .flat_map(|(_, actions)| actions)
-                    .collect())
+                Ok(Some(
+                    all_actions_task
+                        .await
+                        .into_iter()
+                        .flat_map(|(_, actions)| actions)
+                        .collect(),
+                ))
             })
         }
     }
@@ -5678,28 +5636,30 @@ impl LspStore {
         let version_queried_for = buffer.read(cx).version();
         let buffer_id = buffer.read(cx).remote_id();
 
-        if let Some(cached_data) = self.lsp_code_lens.get(&buffer_id) {
-            if !version_queried_for.changed_since(&cached_data.lens_for_version) {
-                let has_different_servers = self.as_local().is_some_and(|local| {
-                    local
-                        .buffers_opened_in_servers
-                        .get(&buffer_id)
-                        .cloned()
-                        .unwrap_or_default()
-                        != cached_data.lens.keys().copied().collect()
-                });
-                if !has_different_servers {
-                    return Task::ready(Ok(cached_data.lens.values().flatten().cloned().collect()))
-                        .shared();
-                }
+        if let Some(cached_data) = self.lsp_code_lens.get(&buffer_id)
+            && !version_queried_for.changed_since(&cached_data.lens_for_version)
+        {
+            let has_different_servers = self.as_local().is_some_and(|local| {
+                local
+                    .buffers_opened_in_servers
+                    .get(&buffer_id)
+                    .cloned()
+                    .unwrap_or_default()
+                    != cached_data.lens.keys().copied().collect()
+            });
+            if !has_different_servers {
+                return Task::ready(Ok(Some(
+                    cached_data.lens.values().flatten().cloned().collect(),
+                )))
+                .shared();
             }
         }
 
         let lsp_data = self.lsp_code_lens.entry(buffer_id).or_default();
-        if let Some((updating_for, running_update)) = &lsp_data.update {
-            if !version_queried_for.changed_since(&updating_for) {
-                return running_update.clone();
-            }
+        if let Some((updating_for, running_update)) = &lsp_data.update
+            && !version_queried_for.changed_since(updating_for)
+        {
+            return running_update.clone();
         }
         let buffer = buffer.clone();
         let query_version_queried_for = version_queried_for.clone();
@@ -5729,17 +5689,19 @@ impl LspStore {
                 lsp_store
                     .update(cx, |lsp_store, _| {
                         let lsp_data = lsp_store.lsp_code_lens.entry(buffer_id).or_default();
-                        if lsp_data.lens_for_version == query_version_queried_for {
-                            lsp_data.lens.extend(fetched_lens.clone());
-                        } else if !lsp_data
-                            .lens_for_version
-                            .changed_since(&query_version_queried_for)
-                        {
-                            lsp_data.lens_for_version = query_version_queried_for;
-                            lsp_data.lens = fetched_lens.clone();
+                        if let Some(fetched_lens) = fetched_lens {
+                            if lsp_data.lens_for_version == query_version_queried_for {
+                                lsp_data.lens.extend(fetched_lens);
+                            } else if !lsp_data
+                                .lens_for_version
+                                .changed_since(&query_version_queried_for)
+                            {
+                                lsp_data.lens_for_version = query_version_queried_for;
+                                lsp_data.lens = fetched_lens;
+                            }
                         }
                         lsp_data.update = None;
-                        lsp_data.lens.values().flatten().cloned().collect()
+                        Some(lsp_data.lens.values().flatten().cloned().collect())
                     })
                     .map_err(Arc::new)
             })
@@ -5752,60 +5714,40 @@ impl LspStore {
         &mut self,
         buffer: &Entity<Buffer>,
         cx: &mut Context<Self>,
-    ) -> Task<Result<HashMap<LanguageServerId, Vec<CodeAction>>>> {
+    ) -> Task<Result<Option<HashMap<LanguageServerId, Vec<CodeAction>>>>> {
         if let Some((upstream_client, project_id)) = self.upstream_client() {
-            let request_task = upstream_client.request(proto::MultiLspQuery {
-                buffer_id: buffer.read(cx).remote_id().into(),
-                version: serialize_version(&buffer.read(cx).version()),
+            let request = GetCodeLens;
+            if !self.is_capable_for_proto_request(buffer, &request, cx) {
+                return Task::ready(Ok(None));
+            }
+            let request_task = upstream_client.request_lsp(
                 project_id,
-                strategy: Some(proto::multi_lsp_query::Strategy::All(
-                    proto::AllLanguageServers {},
-                )),
-                request: Some(proto::multi_lsp_query::Request::GetCodeLens(
-                    GetCodeLens.to_proto(project_id, buffer.read(cx)),
-                )),
-            });
+                LSP_REQUEST_TIMEOUT,
+                cx.background_executor().clone(),
+                request.to_proto(project_id, buffer.read(cx)),
+            );
             let buffer = buffer.clone();
             cx.spawn(async move |weak_lsp_store, cx| {
                 let Some(lsp_store) = weak_lsp_store.upgrade() else {
-                    return Ok(HashMap::default());
+                    return Ok(None);
                 };
-                let responses = request_task.await?.responses;
-                let code_lens_actions = join_all(
-                    responses
-                        .into_iter()
-                        .filter_map(|lsp_response| {
-                            let response = match lsp_response.response? {
-                                proto::lsp_response::Response::GetCodeLensResponse(response) => {
-                                    Some(response)
-                                }
-                                unexpected => {
-                                    debug_panic!("Unexpected response: {unexpected:?}");
-                                    None
-                                }
-                            }?;
-                            let server_id = LanguageServerId::from_proto(lsp_response.server_id);
-                            Some((server_id, response))
-                        })
-                        .map(|(server_id, code_lens_response)| {
-                            let lsp_store = lsp_store.clone();
-                            let buffer = buffer.clone();
-                            let cx = cx.clone();
-                            async move {
-                                (
-                                    server_id,
-                                    GetCodeLens
-                                        .response_from_proto(
-                                            code_lens_response,
-                                            lsp_store,
-                                            buffer,
-                                            cx,
-                                        )
-                                        .await,
-                                )
-                            }
-                        }),
-                )
+                let Some(responses) = request_task.await? else {
+                    return Ok(None);
+                };
+
+                let code_lens_actions = join_all(responses.payload.into_iter().map(|response| {
+                    let lsp_store = lsp_store.clone();
+                    let buffer = buffer.clone();
+                    let cx = cx.clone();
+                    async move {
+                        (
+                            LanguageServerId::from_proto(response.server_id),
+                            GetCodeLens
+                                .response_from_proto(response.response, lsp_store, buffer, cx)
+                                .await,
+                        )
+                    }
+                }))
                 .await;
 
                 let mut has_errors = false;
@@ -5824,14 +5766,14 @@ impl LspStore {
                     !has_errors || !code_lens_actions.is_empty(),
                     "Failed to fetch code lens"
                 );
-                Ok(code_lens_actions)
+                Ok(Some(code_lens_actions))
             })
         } else {
             let code_lens_actions_task =
                 self.request_multiple_lsp_locally(buffer, None::<usize>, GetCodeLens, cx);
-            cx.background_spawn(
-                async move { Ok(code_lens_actions_task.await.into_iter().collect()) },
-            )
+            cx.background_spawn(async move {
+                Ok(Some(code_lens_actions_task.await.into_iter().collect()))
+            })
         }
     }
 
@@ -5846,11 +5788,15 @@ impl LspStore {
         let language_registry = self.languages.clone();
 
         if let Some((upstream_client, project_id)) = self.upstream_client() {
+            let request = GetCompletions { position, context };
+            if !self.is_capable_for_proto_request(buffer, &request, cx) {
+                return Task::ready(Ok(Vec::new()));
+            }
             let task = self.send_lsp_proto_request(
                 buffer.clone(),
                 upstream_client,
                 project_id,
-                GetCompletions { position, context },
+                request,
                 cx,
             );
             let language = buffer.read(cx).language().cloned();
@@ -5988,11 +5934,17 @@ impl LspStore {
         cx: &mut Context<Self>,
     ) -> Task<Result<bool>> {
         let client = self.upstream_client();
-
         let buffer_id = buffer.read(cx).remote_id();
         let buffer_snapshot = buffer.read(cx).snapshot();
 
-        cx.spawn(async move |this, cx| {
+        if !self.check_if_capable_for_proto_request(
+            &buffer,
+            GetCompletions::can_resolve_completions,
+            cx,
+        ) {
+            return Task::ready(Ok(false));
+        }
+        cx.spawn(async move |lsp_store, cx| {
             let mut did_resolve = false;
             if let Some((client, project_id)) = client {
                 for completion_index in completion_indices {
@@ -6029,7 +5981,7 @@ impl LspStore {
                         completion.source.server_id()
                     };
                     if let Some(server_id) = server_id {
-                        let server_and_adapter = this
+                        let server_and_adapter = lsp_store
                             .read_with(cx, |lsp_store, _| {
                                 let server = lsp_store.language_server_for_id(server_id)?;
                                 let adapter =
@@ -6044,7 +5996,6 @@ impl LspStore {
 
                         let resolved = Self::resolve_completion_local(
                             server,
-                            &buffer_snapshot,
                             completions.clone(),
                             completion_index,
                         )
@@ -6077,18 +6028,11 @@ impl LspStore {
 
     async fn resolve_completion_local(
         server: Arc<lsp::LanguageServer>,
-        snapshot: &BufferSnapshot,
         completions: Rc<RefCell<Box<[Completion]>>>,
         completion_index: usize,
     ) -> Result<()> {
         let server_id = server.server_id();
-        let can_resolve = server
-            .capabilities()
-            .completion_provider
-            .as_ref()
-            .and_then(|options| options.resolve_provider)
-            .unwrap_or(false);
-        if !can_resolve {
+        if !GetCompletions::can_resolve_completions(&server.capabilities()) {
             return Ok(());
         }
 
@@ -6122,26 +6066,8 @@ impl LspStore {
             .into_response()
             .context("resolve completion")?;
 
-        if let Some(text_edit) = resolved_completion.text_edit.as_ref() {
-            // Technically we don't have to parse the whole `text_edit`, since the only
-            // language server we currently use that does update `text_edit` in `completionItem/resolve`
-            // is `typescript-language-server` and they only update `text_edit.new_text`.
-            // But we should not rely on that.
-            let edit = parse_completion_text_edit(text_edit, snapshot);
-
-            if let Some(mut parsed_edit) = edit {
-                LineEnding::normalize(&mut parsed_edit.new_text);
-
-                let mut completions = completions.borrow_mut();
-                let completion = &mut completions[completion_index];
-
-                completion.new_text = parsed_edit.new_text;
-                completion.replace_range = parsed_edit.replace_range;
-                if let CompletionSource::Lsp { insert_range, .. } = &mut completion.source {
-                    *insert_range = parsed_edit.insert_range;
-                }
-            }
-        }
+        // We must not use any data such as sortText, filterText, insertText and textEdit to edit `Completion` since they are not suppose change during resolve.
+        // Refer: https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_completion
 
         let mut completions = completions.borrow_mut();
         let completion = &mut completions[completion_index];
@@ -6326,11 +6252,11 @@ impl LspStore {
             .old_replace_start
             .and_then(deserialize_anchor)
             .zip(response.old_replace_end.and_then(deserialize_anchor));
-        if let Some((old_replace_start, old_replace_end)) = replace_range {
-            if !response.new_text.is_empty() {
-                completion.new_text = response.new_text;
-                completion.replace_range = old_replace_start..old_replace_end;
-            }
+        if let Some((old_replace_start, old_replace_end)) = replace_range
+            && !response.new_text.is_empty()
+        {
+            completion.new_text = response.new_text;
+            completion.replace_range = old_replace_start..old_replace_end;
         }
 
         Ok(())
@@ -6391,12 +6317,10 @@ impl LspStore {
             }) else {
                 return Task::ready(Ok(None));
             };
-            let snapshot = buffer_handle.read(&cx).snapshot();
 
             cx.spawn(async move |this, cx| {
                 Self::resolve_completion_local(
                     server.clone(),
-                    &snapshot,
                     completions.clone(),
                     completion_index,
                 )
@@ -6459,47 +6383,33 @@ impl LspStore {
 
     pub fn pull_diagnostics(
         &mut self,
-        buffer_handle: Entity<Buffer>,
+        buffer: Entity<Buffer>,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<LspPullDiagnostics>>> {
-        let buffer = buffer_handle.read(cx);
-        let buffer_id = buffer.remote_id();
+    ) -> Task<Result<Option<Vec<LspPullDiagnostics>>>> {
+        let buffer_id = buffer.read(cx).remote_id();
 
         if let Some((client, upstream_project_id)) = self.upstream_client() {
-            let request_task = client.request(proto::MultiLspQuery {
-                buffer_id: buffer_id.to_proto(),
-                version: serialize_version(&buffer_handle.read(cx).version()),
-                project_id: upstream_project_id,
-                strategy: Some(proto::multi_lsp_query::Strategy::All(
-                    proto::AllLanguageServers {},
-                )),
-                request: Some(proto::multi_lsp_query::Request::GetDocumentDiagnostics(
-                    proto::GetDocumentDiagnostics {
-                        project_id: upstream_project_id,
-                        buffer_id: buffer_id.to_proto(),
-                        version: serialize_version(&buffer_handle.read(cx).version()),
-                    },
-                )),
-            });
+            let request = GetDocumentDiagnostics {
+                previous_result_id: None,
+            };
+            if !self.is_capable_for_proto_request(&buffer, &request, cx) {
+                return Task::ready(Ok(None));
+            }
+            let request_task = client.request_lsp(
+                upstream_project_id,
+                LSP_REQUEST_TIMEOUT,
+                cx.background_executor().clone(),
+                request.to_proto(upstream_project_id, buffer.read(cx)),
+            );
             cx.background_spawn(async move {
-                Ok(request_task
-                    .await?
-                    .responses
-                    .into_iter()
-                    .filter_map(|lsp_response| match lsp_response.response? {
-                        proto::lsp_response::Response::GetDocumentDiagnosticsResponse(response) => {
-                            Some(response)
-                        }
-                        unexpected => {
-                            debug_panic!("Unexpected response: {unexpected:?}");
-                            None
-                        }
-                    })
-                    .flat_map(GetDocumentDiagnostics::diagnostics_from_proto)
-                    .collect())
+                // Proto requests cause the diagnostics to be pulled from language server(s) on the local side
+                // and then, buffer state updated with the diagnostics received, which will be later propagated to the client.
+                // Do not attempt to further process the dummy responses here.
+                let _response = request_task.await?;
+                Ok(None)
             })
         } else {
-            let server_ids = buffer_handle.update(cx, |buffer, cx| {
+            let server_ids = buffer.update(cx, |buffer, cx| {
                 self.language_servers_for_local_buffer(buffer, cx)
                     .map(|(_, server)| server.server_id())
                     .collect::<Vec<_>>()
@@ -6509,7 +6419,7 @@ impl LspStore {
                 .map(|server_id| {
                     let result_id = self.result_id(server_id, buffer_id, cx);
                     self.request_lsp(
-                        buffer_handle.clone(),
+                        buffer.clone(),
                         LanguageServerToQuery::Other(server_id),
                         GetDocumentDiagnostics {
                             previous_result_id: result_id,
@@ -6524,41 +6434,43 @@ impl LspStore {
                 for diagnostics in join_all(pull_diagnostics).await {
                     responses.extend(diagnostics?);
                 }
-                Ok(responses)
+                Ok(Some(responses))
             })
         }
     }
 
     pub fn inlay_hints(
         &mut self,
-        buffer_handle: Entity<Buffer>,
+        buffer: Entity<Buffer>,
         range: Range<Anchor>,
         cx: &mut Context<Self>,
     ) -> Task<anyhow::Result<Vec<InlayHint>>> {
-        let buffer = buffer_handle.read(cx);
         let range_start = range.start;
         let range_end = range.end;
-        let buffer_id = buffer.remote_id().into();
-        let lsp_request = InlayHints { range };
+        let buffer_id = buffer.read(cx).remote_id().into();
+        let request = InlayHints { range };
 
         if let Some((client, project_id)) = self.upstream_client() {
-            let request = proto::InlayHints {
+            if !self.is_capable_for_proto_request(&buffer, &request, cx) {
+                return Task::ready(Ok(Vec::new()));
+            }
+            let proto_request = proto::InlayHints {
                 project_id,
                 buffer_id,
                 start: Some(serialize_anchor(&range_start)),
                 end: Some(serialize_anchor(&range_end)),
-                version: serialize_version(&buffer_handle.read(cx).version()),
+                version: serialize_version(&buffer.read(cx).version()),
             };
             cx.spawn(async move |project, cx| {
                 let response = client
-                    .request(request)
+                    .request(proto_request)
                     .await
                     .context("inlay hints proto request")?;
                 LspCommand::response_from_proto(
-                    lsp_request,
+                    request,
                     response,
                     project.upgrade().context("No project")?,
-                    buffer_handle.clone(),
+                    buffer.clone(),
                     cx.clone(),
                 )
                 .await
@@ -6566,13 +6478,13 @@ impl LspStore {
             })
         } else {
             let lsp_request_task = self.request_lsp(
-                buffer_handle.clone(),
+                buffer.clone(),
                 LanguageServerToQuery::FirstCapable,
-                lsp_request,
+                request,
                 cx,
             );
             cx.spawn(async move |_, cx| {
-                buffer_handle
+                buffer
                     .update(cx, |buffer, _| {
                         buffer.wait_for_edits(vec![range_start.timestamp, range_end.timestamp])
                     })?
@@ -6588,75 +6500,93 @@ impl LspStore {
         buffer: Entity<Buffer>,
         cx: &mut Context<Self>,
     ) -> Task<anyhow::Result<()>> {
-        let buffer_id = buffer.read(cx).remote_id();
         let diagnostics = self.pull_diagnostics(buffer, cx);
         cx.spawn(async move |lsp_store, cx| {
-            let diagnostics = diagnostics.await.context("pulling diagnostics")?;
+            let Some(diagnostics) = diagnostics.await.context("pulling diagnostics")? else {
+                return Ok(());
+            };
             lsp_store.update(cx, |lsp_store, cx| {
                 if lsp_store.as_local().is_none() {
                     return;
                 }
 
-                for diagnostics_set in diagnostics {
-                    let LspPullDiagnostics::Response {
-                        server_id,
-                        uri,
-                        diagnostics,
-                    } = diagnostics_set
-                    else {
-                        continue;
-                    };
-
-                    let adapter = lsp_store.language_server_adapter_for_id(server_id);
-                    let disk_based_sources = adapter
-                        .as_ref()
-                        .map(|adapter| adapter.disk_based_diagnostic_sources.as_slice())
-                        .unwrap_or(&[]);
-                    match diagnostics {
-                        PulledDiagnostics::Unchanged { result_id } => {
-                            lsp_store
-                                .merge_diagnostics(
-                                    server_id,
-                                    lsp::PublishDiagnosticsParams {
-                                        uri: uri.clone(),
-                                        diagnostics: Vec::new(),
-                                        version: None,
-                                    },
-                                    Some(result_id),
-                                    DiagnosticSourceKind::Pulled,
-                                    disk_based_sources,
-                                    |_, _, _| true,
-                                    cx,
-                                )
-                                .log_err();
-                        }
-                        PulledDiagnostics::Changed {
+                let mut unchanged_buffers = HashSet::default();
+                let mut changed_buffers = HashSet::default();
+                let server_diagnostics_updates = diagnostics
+                    .into_iter()
+                    .filter_map(|diagnostics_set| match diagnostics_set {
+                        LspPullDiagnostics::Response {
+                            server_id,
+                            uri,
                             diagnostics,
-                            result_id,
-                        } => {
-                            lsp_store
-                                .merge_diagnostics(
+                        } => Some((server_id, uri, diagnostics)),
+                        LspPullDiagnostics::Default => None,
+                    })
+                    .fold(
+                        HashMap::default(),
+                        |mut acc, (server_id, uri, diagnostics)| {
+                            let (result_id, diagnostics) = match diagnostics {
+                                PulledDiagnostics::Unchanged { result_id } => {
+                                    unchanged_buffers.insert(uri.clone());
+                                    (Some(result_id), Vec::new())
+                                }
+                                PulledDiagnostics::Changed {
+                                    result_id,
+                                    diagnostics,
+                                } => {
+                                    changed_buffers.insert(uri.clone());
+                                    (result_id, diagnostics)
+                                }
+                            };
+                            let disk_based_sources = Cow::Owned(
+                                lsp_store
+                                    .language_server_adapter_for_id(server_id)
+                                    .as_ref()
+                                    .map(|adapter| adapter.disk_based_diagnostic_sources.as_slice())
+                                    .unwrap_or(&[])
+                                    .to_vec(),
+                            );
+                            acc.entry(server_id).or_insert_with(Vec::new).push(
+                                DocumentDiagnosticsUpdate {
                                     server_id,
-                                    lsp::PublishDiagnosticsParams {
-                                        uri: uri.clone(),
+                                    diagnostics: lsp::PublishDiagnosticsParams {
+                                        uri,
                                         diagnostics,
                                         version: None,
                                     },
                                     result_id,
-                                    DiagnosticSourceKind::Pulled,
                                     disk_based_sources,
-                                    |buffer, old_diagnostic, _| match old_diagnostic.source_kind {
-                                        DiagnosticSourceKind::Pulled => {
-                                            buffer.remote_id() != buffer_id
-                                        }
-                                        DiagnosticSourceKind::Other
-                                        | DiagnosticSourceKind::Pushed => true,
-                                    },
-                                    cx,
-                                )
-                                .log_err();
-                        }
-                    }
+                                },
+                            );
+                            acc
+                        },
+                    );
+
+                for diagnostic_updates in server_diagnostics_updates.into_values() {
+                    lsp_store
+                        .merge_lsp_diagnostics(
+                            DiagnosticSourceKind::Pulled,
+                            diagnostic_updates,
+                            |buffer, old_diagnostic, cx| {
+                                File::from_dyn(buffer.file())
+                                    .and_then(|file| {
+                                        let abs_path = file.as_local()?.abs_path(cx);
+                                        lsp::Url::from_file_path(abs_path).ok()
+                                    })
+                                    .is_none_or(|buffer_uri| {
+                                        unchanged_buffers.contains(&buffer_uri)
+                                            || match old_diagnostic.source_kind {
+                                                DiagnosticSourceKind::Pulled => {
+                                                    !changed_buffers.contains(&buffer_uri)
+                                                }
+                                                DiagnosticSourceKind::Other
+                                                | DiagnosticSourceKind::Pushed => true,
+                                            }
+                                    })
+                            },
+                            cx,
+                        )
+                        .log_err();
                 }
             })
         })
@@ -6676,33 +6606,33 @@ impl LspStore {
             LspFetchStrategy::UseCache {
                 known_cache_version,
             } => {
-                if let Some(cached_data) = self.lsp_document_colors.get(&buffer_id) {
-                    if !version_queried_for.changed_since(&cached_data.colors_for_version) {
-                        let has_different_servers = self.as_local().is_some_and(|local| {
-                            local
-                                .buffers_opened_in_servers
-                                .get(&buffer_id)
-                                .cloned()
-                                .unwrap_or_default()
-                                != cached_data.colors.keys().copied().collect()
-                        });
-                        if !has_different_servers {
-                            if Some(cached_data.cache_version) == known_cache_version {
-                                return None;
-                            } else {
-                                return Some(
-                                    Task::ready(Ok(DocumentColors {
-                                        colors: cached_data
-                                            .colors
-                                            .values()
-                                            .flatten()
-                                            .cloned()
-                                            .collect(),
-                                        cache_version: Some(cached_data.cache_version),
-                                    }))
-                                    .shared(),
-                                );
-                            }
+                if let Some(cached_data) = self.lsp_document_colors.get(&buffer_id)
+                    && !version_queried_for.changed_since(&cached_data.colors_for_version)
+                {
+                    let has_different_servers = self.as_local().is_some_and(|local| {
+                        local
+                            .buffers_opened_in_servers
+                            .get(&buffer_id)
+                            .cloned()
+                            .unwrap_or_default()
+                            != cached_data.colors.keys().copied().collect()
+                    });
+                    if !has_different_servers {
+                        if Some(cached_data.cache_version) == known_cache_version {
+                            return None;
+                        } else {
+                            return Some(
+                                Task::ready(Ok(DocumentColors {
+                                    colors: cached_data
+                                        .colors
+                                        .values()
+                                        .flatten()
+                                        .cloned()
+                                        .collect(),
+                                    cache_version: Some(cached_data.cache_version),
+                                }))
+                                .shared(),
+                            );
                         }
                     }
                 }
@@ -6710,10 +6640,10 @@ impl LspStore {
         }
 
         let lsp_data = self.lsp_document_colors.entry(buffer_id).or_default();
-        if let Some((updating_for, running_update)) = &lsp_data.colors_update {
-            if !version_queried_for.changed_since(&updating_for) {
-                return Some(running_update.clone());
-            }
+        if let Some((updating_for, running_update)) = &lsp_data.colors_update
+            && !version_queried_for.changed_since(updating_for)
+        {
+            return Some(running_update.clone());
         }
         let query_version_queried_for = version_queried_for.clone();
         let new_task = cx
@@ -6760,16 +6690,18 @@ impl LspStore {
                     .update(cx, |lsp_store, _| {
                         let lsp_data = lsp_store.lsp_document_colors.entry(buffer_id).or_default();
 
-                        if lsp_data.colors_for_version == query_version_queried_for {
-                            lsp_data.colors.extend(fetched_colors.clone());
-                            lsp_data.cache_version += 1;
-                        } else if !lsp_data
-                            .colors_for_version
-                            .changed_since(&query_version_queried_for)
-                        {
-                            lsp_data.colors_for_version = query_version_queried_for;
-                            lsp_data.colors = fetched_colors.clone();
-                            lsp_data.cache_version += 1;
+                        if let Some(fetched_colors) = fetched_colors {
+                            if lsp_data.colors_for_version == query_version_queried_for {
+                                lsp_data.colors.extend(fetched_colors);
+                                lsp_data.cache_version += 1;
+                            } else if !lsp_data
+                                .colors_for_version
+                                .changed_since(&query_version_queried_for)
+                            {
+                                lsp_data.colors_for_version = query_version_queried_for;
+                                lsp_data.colors = fetched_colors;
+                                lsp_data.cache_version += 1;
+                            }
                         }
                         lsp_data.colors_update = None;
                         let colors = lsp_data
@@ -6794,51 +6726,45 @@ impl LspStore {
         &mut self,
         buffer: &Entity<Buffer>,
         cx: &mut Context<Self>,
-    ) -> Task<anyhow::Result<HashMap<LanguageServerId, HashSet<DocumentColor>>>> {
+    ) -> Task<anyhow::Result<Option<HashMap<LanguageServerId, HashSet<DocumentColor>>>>> {
         if let Some((client, project_id)) = self.upstream_client() {
-            let request_task = client.request(proto::MultiLspQuery {
+            let request = GetDocumentColor {};
+            if !self.is_capable_for_proto_request(buffer, &request, cx) {
+                return Task::ready(Ok(None));
+            }
+
+            let request_task = client.request_lsp(
                 project_id,
-                buffer_id: buffer.read(cx).remote_id().to_proto(),
-                version: serialize_version(&buffer.read(cx).version()),
-                strategy: Some(proto::multi_lsp_query::Strategy::All(
-                    proto::AllLanguageServers {},
-                )),
-                request: Some(proto::multi_lsp_query::Request::GetDocumentColor(
-                    GetDocumentColor {}.to_proto(project_id, buffer.read(cx)),
-                )),
-            });
+                LSP_REQUEST_TIMEOUT,
+                cx.background_executor().clone(),
+                request.to_proto(project_id, buffer.read(cx)),
+            );
             let buffer = buffer.clone();
-            cx.spawn(async move |project, cx| {
-                let Some(project) = project.upgrade() else {
-                    return Ok(HashMap::default());
+            cx.spawn(async move |lsp_store, cx| {
+                let Some(project) = lsp_store.upgrade() else {
+                    return Ok(None);
                 };
                 let colors = join_all(
                     request_task
                         .await
                         .log_err()
-                        .map(|response| response.responses)
+                        .flatten()
+                        .map(|response| response.payload)
                         .unwrap_or_default()
                         .into_iter()
-                        .filter_map(|lsp_response| match lsp_response.response? {
-                            proto::lsp_response::Response::GetDocumentColorResponse(response) => {
-                                Some((
-                                    LanguageServerId::from_proto(lsp_response.server_id),
-                                    response,
-                                ))
-                            }
-                            unexpected => {
-                                debug_panic!("Unexpected response: {unexpected:?}");
-                                None
-                            }
-                        })
-                        .map(|(server_id, color_response)| {
-                            let response = GetDocumentColor {}.response_from_proto(
-                                color_response,
+                        .map(|color_response| {
+                            let response = request.response_from_proto(
+                                color_response.response,
                                 project.clone(),
                                 buffer.clone(),
                                 cx.clone(),
                             );
-                            async move { (server_id, response.await.log_err().unwrap_or_default()) }
+                            async move {
+                                (
+                                    LanguageServerId::from_proto(color_response.server_id),
+                                    response.await.log_err().unwrap_or_default(),
+                                )
+                            }
                         }),
                 )
                 .await
@@ -6849,23 +6775,25 @@ impl LspStore {
                         .extend(colors);
                     acc
                 });
-                Ok(colors)
+                Ok(Some(colors))
             })
         } else {
             let document_colors_task =
                 self.request_multiple_lsp_locally(buffer, None::<usize>, GetDocumentColor, cx);
             cx.background_spawn(async move {
-                Ok(document_colors_task
-                    .await
-                    .into_iter()
-                    .fold(HashMap::default(), |mut acc, (server_id, colors)| {
-                        acc.entry(server_id)
-                            .or_insert_with(HashSet::default)
-                            .extend(colors);
-                        acc
-                    })
-                    .into_iter()
-                    .collect())
+                Ok(Some(
+                    document_colors_task
+                        .await
+                        .into_iter()
+                        .fold(HashMap::default(), |mut acc, (server_id, colors)| {
+                            acc.entry(server_id)
+                                .or_insert_with(HashSet::default)
+                                .extend(colors);
+                            acc
+                        })
+                        .into_iter()
+                        .collect(),
+                ))
             })
         }
     }
@@ -6875,45 +6803,34 @@ impl LspStore {
         buffer: &Entity<Buffer>,
         position: T,
         cx: &mut Context<Self>,
-    ) -> Task<Vec<SignatureHelp>> {
+    ) -> Task<Option<Vec<SignatureHelp>>> {
         let position = position.to_point_utf16(buffer.read(cx));
 
         if let Some((client, upstream_project_id)) = self.upstream_client() {
-            let request_task = client.request(proto::MultiLspQuery {
-                buffer_id: buffer.read(cx).remote_id().into(),
-                version: serialize_version(&buffer.read(cx).version()),
-                project_id: upstream_project_id,
-                strategy: Some(proto::multi_lsp_query::Strategy::All(
-                    proto::AllLanguageServers {},
-                )),
-                request: Some(proto::multi_lsp_query::Request::GetSignatureHelp(
-                    GetSignatureHelp { position }.to_proto(upstream_project_id, buffer.read(cx)),
-                )),
-            });
+            let request = GetSignatureHelp { position };
+            if !self.is_capable_for_proto_request(buffer, &request, cx) {
+                return Task::ready(None);
+            }
+            let request_task = client.request_lsp(
+                upstream_project_id,
+                LSP_REQUEST_TIMEOUT,
+                cx.background_executor().clone(),
+                request.to_proto(upstream_project_id, buffer.read(cx)),
+            );
             let buffer = buffer.clone();
             cx.spawn(async move |weak_project, cx| {
-                let Some(project) = weak_project.upgrade() else {
-                    return Vec::new();
-                };
-                join_all(
+                let project = weak_project.upgrade()?;
+                let signatures = join_all(
                     request_task
                         .await
                         .log_err()
-                        .map(|response| response.responses)
+                        .flatten()
+                        .map(|response| response.payload)
                         .unwrap_or_default()
                         .into_iter()
-                        .filter_map(|lsp_response| match lsp_response.response? {
-                            proto::lsp_response::Response::GetSignatureHelpResponse(response) => {
-                                Some(response)
-                            }
-                            unexpected => {
-                                debug_panic!("Unexpected response: {unexpected:?}");
-                                None
-                            }
-                        })
-                        .map(|signature_response| {
+                        .map(|response| {
                             let response = GetSignatureHelp { position }.response_from_proto(
-                                signature_response,
+                                response.response,
                                 project.clone(),
                                 buffer.clone(),
                                 cx.clone(),
@@ -6924,7 +6841,8 @@ impl LspStore {
                 .await
                 .into_iter()
                 .flatten()
-                .collect()
+                .collect();
+                Some(signatures)
             })
         } else {
             let all_actions_task = self.request_multiple_lsp_locally(
@@ -6934,11 +6852,13 @@ impl LspStore {
                 cx,
             );
             cx.background_spawn(async move {
-                all_actions_task
-                    .await
-                    .into_iter()
-                    .flat_map(|(_, actions)| actions)
-                    .collect::<Vec<_>>()
+                Some(
+                    all_actions_task
+                        .await
+                        .into_iter()
+                        .flat_map(|(_, actions)| actions)
+                        .collect::<Vec<_>>(),
+                )
             })
         }
     }
@@ -6948,43 +6868,32 @@ impl LspStore {
         buffer: &Entity<Buffer>,
         position: PointUtf16,
         cx: &mut Context<Self>,
-    ) -> Task<Vec<Hover>> {
+    ) -> Task<Option<Vec<Hover>>> {
         if let Some((client, upstream_project_id)) = self.upstream_client() {
-            let request_task = client.request(proto::MultiLspQuery {
-                buffer_id: buffer.read(cx).remote_id().into(),
-                version: serialize_version(&buffer.read(cx).version()),
-                project_id: upstream_project_id,
-                strategy: Some(proto::multi_lsp_query::Strategy::All(
-                    proto::AllLanguageServers {},
-                )),
-                request: Some(proto::multi_lsp_query::Request::GetHover(
-                    GetHover { position }.to_proto(upstream_project_id, buffer.read(cx)),
-                )),
-            });
+            let request = GetHover { position };
+            if !self.is_capable_for_proto_request(buffer, &request, cx) {
+                return Task::ready(None);
+            }
+            let request_task = client.request_lsp(
+                upstream_project_id,
+                LSP_REQUEST_TIMEOUT,
+                cx.background_executor().clone(),
+                request.to_proto(upstream_project_id, buffer.read(cx)),
+            );
             let buffer = buffer.clone();
             cx.spawn(async move |weak_project, cx| {
-                let Some(project) = weak_project.upgrade() else {
-                    return Vec::new();
-                };
-                join_all(
+                let project = weak_project.upgrade()?;
+                let hovers = join_all(
                     request_task
                         .await
                         .log_err()
-                        .map(|response| response.responses)
+                        .flatten()
+                        .map(|response| response.payload)
                         .unwrap_or_default()
                         .into_iter()
-                        .filter_map(|lsp_response| match lsp_response.response? {
-                            proto::lsp_response::Response::GetHoverResponse(response) => {
-                                Some(response)
-                            }
-                            unexpected => {
-                                debug_panic!("Unexpected response: {unexpected:?}");
-                                None
-                            }
-                        })
-                        .map(|hover_response| {
+                        .map(|response| {
                             let response = GetHover { position }.response_from_proto(
-                                hover_response,
+                                response.response,
                                 project.clone(),
                                 buffer.clone(),
                                 cx.clone(),
@@ -7001,7 +6910,8 @@ impl LspStore {
                 .await
                 .into_iter()
                 .flatten()
-                .collect()
+                .collect();
+                Some(hovers)
             })
         } else {
             let all_actions_task = self.request_multiple_lsp_locally(
@@ -7011,11 +6921,13 @@ impl LspStore {
                 cx,
             );
             cx.background_spawn(async move {
-                all_actions_task
-                    .await
-                    .into_iter()
-                    .filter_map(|(_, hover)| remove_empty_hover_blocks(hover?))
-                    .collect::<Vec<Hover>>()
+                Some(
+                    all_actions_task
+                        .await
+                        .into_iter()
+                        .filter_map(|(_, hover)| remove_empty_hover_blocks(hover?))
+                        .collect::<Vec<Hover>>(),
+                )
             })
         }
     }
@@ -7051,11 +6963,11 @@ impl LspStore {
 
             let mut requests = Vec::new();
             let mut requested_servers = BTreeSet::new();
-            'next_server: for ((worktree_id, _), server_ids) in local.language_server_ids.iter() {
+            for (seed, state) in local.language_server_ids.iter() {
                 let Some(worktree_handle) = self
                     .worktree_store
                     .read(cx)
-                    .worktree_for_id(*worktree_id, cx)
+                    .worktree_for_id(seed.worktree_id, cx)
                 else {
                     continue;
                 };
@@ -7064,31 +6976,30 @@ impl LspStore {
                     continue;
                 }
 
-                let mut servers_to_query = server_ids
-                    .difference(&requested_servers)
-                    .cloned()
-                    .collect::<BTreeSet<_>>();
-                for server_id in &servers_to_query {
-                    let (lsp_adapter, server) = match local.language_servers.get(server_id) {
-                        Some(LanguageServerState::Running {
-                            adapter, server, ..
-                        }) => (adapter.clone(), server),
+                if !requested_servers.insert(state.id) {
+                    continue;
+                }
 
-                        _ => continue 'next_server,
+                let (lsp_adapter, server) = match local.language_servers.get(&state.id) {
+                    Some(LanguageServerState::Running {
+                        adapter, server, ..
+                    }) => (adapter.clone(), server),
+
+                    _ => continue,
+                };
+                let supports_workspace_symbol_request =
+                    match server.capabilities().workspace_symbol_provider {
+                        Some(OneOf::Left(supported)) => supported,
+                        Some(OneOf::Right(_)) => true,
+                        None => false,
                     };
-                    let supports_workspace_symbol_request =
-                        match server.capabilities().workspace_symbol_provider {
-                            Some(OneOf::Left(supported)) => supported,
-                            Some(OneOf::Right(_)) => true,
-                            None => false,
-                        };
-                    if !supports_workspace_symbol_request {
-                        continue 'next_server;
-                    }
-                    let worktree_abs_path = worktree.abs_path().clone();
-                    let worktree_handle = worktree_handle.clone();
-                    let server_id = server.server_id();
-                    requests.push(
+                if !supports_workspace_symbol_request {
+                    continue;
+                }
+                let worktree_abs_path = worktree.abs_path().clone();
+                let worktree_handle = worktree_handle.clone();
+                let server_id = server.server_id();
+                requests.push(
                         server
                             .request::<lsp::request::WorkspaceSymbolRequest>(
                                 lsp::WorkspaceSymbolParams {
@@ -7130,8 +7041,6 @@ impl LspStore {
                                 }
                             }),
                     );
-                }
-                requested_servers.append(&mut servers_to_query);
             }
 
             cx.spawn(async move |this, cx| {
@@ -7160,7 +7069,7 @@ impl LspStore {
                                     worktree = tree;
                                     path = rel_path;
                                 } else {
-                                    worktree = source_worktree.clone();
+                                    worktree = source_worktree;
                                     path = relativize_path(&result.worktree_abs_path, &abs_path);
                                 }
 
@@ -7229,7 +7138,7 @@ impl LspStore {
                         include_ignored
                             || worktree
                                 .entry_for_path(path.as_ref())
-                                .map_or(false, |entry| !entry.is_ignored)
+                                .is_some_and(|entry| !entry.is_ignored)
                     })
                     .flat_map(move |(path, summaries)| {
                         summaries.iter().map(move |(server_id, summary)| {
@@ -7278,7 +7187,9 @@ impl LspStore {
 
             let build_incremental_change = || {
                 buffer
-                    .edits_since::<(PointUtf16, usize)>(previous_snapshot.snapshot.version())
+                    .edits_since::<Dimensions<PointUtf16, usize>>(
+                        previous_snapshot.snapshot.version(),
+                    )
                     .map(|edit| {
                         let edit_start = edit.new.start.0;
                         let edit_end = edit_start + (edit.old.end.0 - edit.old.start.0);
@@ -7392,7 +7303,7 @@ impl LspStore {
         None
     }
 
-    pub(crate) async fn refresh_workspace_configurations(
+    async fn refresh_workspace_configurations(
         lsp_store: &WeakEntity<Self>,
         fs: Arc<dyn Fs>,
         cx: &mut AsyncApp,
@@ -7401,90 +7312,83 @@ impl LspStore {
             let mut refreshed_servers = HashSet::default();
             let servers = lsp_store
                 .update(cx, |lsp_store, cx| {
-                    let toolchain_store = lsp_store.toolchain_store(cx);
-                    let Some(local) = lsp_store.as_local() else {
-                        return Vec::default();
-                    };
-                    local
+                    let local = lsp_store.as_local()?;
+
+                    let servers = local
                         .language_server_ids
                         .iter()
-                        .flat_map(|((worktree_id, _), server_ids)| {
+                        .filter_map(|(seed, state)| {
                             let worktree = lsp_store
                                 .worktree_store
                                 .read(cx)
-                                .worktree_for_id(*worktree_id, cx);
-                            let delegate = worktree.map(|worktree| {
-                                LocalLspAdapterDelegate::new(
-                                    local.languages.clone(),
-                                    &local.environment,
-                                    cx.weak_entity(),
-                                    &worktree,
-                                    local.http_client.clone(),
-                                    local.fs.clone(),
-                                    cx,
-                                )
-                            });
+                                .worktree_for_id(seed.worktree_id, cx);
+                            let delegate: Arc<dyn LspAdapterDelegate> =
+                                worktree.map(|worktree| {
+                                    LocalLspAdapterDelegate::new(
+                                        local.languages.clone(),
+                                        &local.environment,
+                                        cx.weak_entity(),
+                                        &worktree,
+                                        local.http_client.clone(),
+                                        local.fs.clone(),
+                                        cx,
+                                    )
+                                })?;
+                            let server_id = state.id;
 
-                            let fs = fs.clone();
-                            let toolchain_store = toolchain_store.clone();
-                            server_ids.iter().filter_map(|server_id| {
-                                let delegate = delegate.clone()? as Arc<dyn LspAdapterDelegate>;
-                                let states = local.language_servers.get(server_id)?;
+                            let states = local.language_servers.get(&server_id)?;
 
-                                match states {
-                                    LanguageServerState::Starting { .. } => None,
-                                    LanguageServerState::Running {
-                                        adapter, server, ..
-                                    } => {
-                                        let fs = fs.clone();
-                                        let toolchain_store = toolchain_store.clone();
-                                        let adapter = adapter.clone();
-                                        let server = server.clone();
-                                        refreshed_servers.insert(server.name());
-                                        Some(cx.spawn(async move |_, cx| {
-                                            let settings =
-                                                LocalLspStore::workspace_configuration_for_adapter(
-                                                    adapter.adapter.clone(),
-                                                    fs.as_ref(),
-                                                    &delegate,
-                                                    toolchain_store,
-                                                    cx,
-                                                )
-                                                .await
-                                                .ok()?;
-                                            server
-                                                .notify::<lsp::notification::DidChangeConfiguration>(
-                                                    &lsp::DidChangeConfigurationParams { settings },
-                                                )
-                                                .ok()?;
-                                            Some(())
-                                        }))
-                                    }
+                            match states {
+                                LanguageServerState::Starting { .. } => None,
+                                LanguageServerState::Running {
+                                    adapter, server, ..
+                                } => {
+                                    let fs = fs.clone();
+
+                                    let adapter = adapter.clone();
+                                    let server = server.clone();
+                                    refreshed_servers.insert(server.name());
+                                    let toolchain = seed.toolchain.clone();
+                                    Some(cx.spawn(async move |_, cx| {
+                                        let settings =
+                                            LocalLspStore::workspace_configuration_for_adapter(
+                                                adapter.adapter.clone(),
+                                                fs.as_ref(),
+                                                &delegate,
+                                                toolchain,
+                                                cx,
+                                            )
+                                            .await
+                                            .ok()?;
+                                        server
+                                            .notify::<lsp::notification::DidChangeConfiguration>(
+                                                &lsp::DidChangeConfigurationParams { settings },
+                                            )
+                                            .ok()?;
+                                        Some(())
+                                    }))
                                 }
-                            }).collect::<Vec<_>>()
+                            }
                         })
-                        .collect::<Vec<_>>()
-                })
-                .ok()?;
+                        .collect::<Vec<_>>();
 
-            log::info!("Refreshing workspace configurations for servers {refreshed_servers:?}");
+                    Some(servers)
+                })
+                .ok()
+                .flatten()?;
+
+            log::debug!("Refreshing workspace configurations for servers {refreshed_servers:?}");
             // TODO this asynchronous job runs concurrently with extension (de)registration and may take enough time for a certain extension
             // to stop and unregister its language server wrapper.
             // This is racy : an extension might have already removed all `local.language_servers` state, but here we `.clone()` and hold onto it anyway.
             // This now causes errors in the logs, we should find a way to remove such servers from the processing everywhere.
             let _: Vec<Option<()>> = join_all(servers).await;
+
             Some(())
         })
         .await;
     }
 
-    fn toolchain_store(&self, cx: &App) -> Arc<dyn LanguageToolchainStore> {
-        if let Some(toolchain_store) = self.toolchain_store.as_ref() {
-            toolchain_store.read(cx).as_language_toolchain_store()
-        } else {
-            Arc::new(EmptyToolchainStore)
-        }
-    }
     fn maintain_workspace_config(
         fs: Arc<dyn Fs>,
         external_refresh_requests: watch::Receiver<()>,
@@ -7499,8 +7403,19 @@ impl LspStore {
 
         let mut joint_future =
             futures::stream::select(settings_changed_rx, external_refresh_requests);
+        // Multiple things can happen when a workspace environment (selected toolchain + settings) change:
+        // - We might shut down a language server if it's no longer enabled for a given language (and there are no buffers using it otherwise).
+        // - We might also shut it down when the workspace configuration of all of the users of a given language server converges onto that of the other.
+        // - In the same vein, we might also decide to start a new language server if the workspace configuration *diverges* from the other.
+        // - In the easiest case (where we're not wrangling the lifetime of a language server anyhow), if none of the roots of a single language server diverge in their configuration,
+        // but it is still different to what we had before, we're gonna send out a workspace configuration update.
         cx.spawn(async move |this, cx| {
             while let Some(()) = joint_future.next().await {
+                this.update(cx, |this, cx| {
+                    this.refresh_server_tree(cx);
+                })
+                .ok();
+
                 Self::refresh_workspace_configurations(&this, fs.clone(), cx).await;
             }
 
@@ -7561,16 +7476,20 @@ impl LspStore {
         self.downstream_client = Some((downstream_client.clone(), project_id));
 
         for (server_id, status) in &self.language_server_statuses {
-            downstream_client
-                .send(proto::StartLanguageServer {
-                    project_id,
-                    server: Some(proto::LanguageServer {
-                        id: server_id.0 as u64,
-                        name: status.name.clone(),
-                        worktree_id: None,
-                    }),
-                })
-                .log_err();
+            if let Some(server) = self.language_server_for_id(*server_id) {
+                downstream_client
+                    .send(proto::StartLanguageServer {
+                        project_id,
+                        server: Some(proto::LanguageServer {
+                            id: server_id.to_proto(),
+                            name: status.name.to_string(),
+                            worktree_id: None,
+                        }),
+                        capabilities: serde_json::to_string(&server.capabilities())
+                            .expect("serializing server LSP capabilities"),
+                    })
+                    .log_err();
+            }
         }
     }
 
@@ -7590,14 +7509,21 @@ impl LspStore {
     pub(crate) fn set_language_server_statuses_from_proto(
         &mut self,
         language_servers: Vec<proto::LanguageServer>,
+        server_capabilities: Vec<String>,
     ) {
         self.language_server_statuses = language_servers
             .into_iter()
-            .map(|server| {
+            .zip(server_capabilities)
+            .map(|(server, server_capabilities)| {
+                let server_id = LanguageServerId(server.id as usize);
+                if let Ok(server_capabilities) = serde_json::from_str(&server_capabilities) {
+                    self.lsp_server_capabilities
+                        .insert(server_id, server_capabilities);
+                }
                 (
-                    LanguageServerId(server.id as usize),
+                    server_id,
                     LanguageServerStatus {
-                        name: server.name,
+                        name: LanguageServerName::from_proto(server.name),
                         pending_work: Default::default(),
                         has_pending_diagnostic_updates: false,
                         progress_tokens: Default::default(),
@@ -7607,47 +7533,6 @@ impl LspStore {
             .collect();
     }
 
-    fn register_local_language_server(
-        &mut self,
-        worktree: Entity<Worktree>,
-        language_server_name: LanguageServerName,
-        language_server_id: LanguageServerId,
-        cx: &mut App,
-    ) {
-        let Some(local) = self.as_local_mut() else {
-            return;
-        };
-
-        let worktree_id = worktree.read(cx).id();
-        if worktree.read(cx).is_visible() {
-            let path = ProjectPath {
-                worktree_id,
-                path: Arc::from("".as_ref()),
-            };
-            let delegate = Arc::new(ManifestQueryDelegate::new(worktree.read(cx).snapshot()));
-            local.lsp_tree.update(cx, |language_server_tree, cx| {
-                for node in language_server_tree.get(
-                    path,
-                    AdapterQuery::Adapter(&language_server_name),
-                    delegate,
-                    cx,
-                ) {
-                    node.server_id_or_init(|disposition| {
-                        assert_eq!(disposition.server_name, &language_server_name);
-
-                        language_server_id
-                    });
-                }
-            });
-        }
-
-        local
-            .language_server_ids
-            .entry((worktree_id, language_server_name))
-            .or_default()
-            .insert(language_server_id);
-    }
-
     #[cfg(test)]
     pub fn update_diagnostic_entries(
         &mut self,
@@ -7659,88 +7544,132 @@ impl LspStore {
         cx: &mut Context<Self>,
     ) -> anyhow::Result<()> {
         self.merge_diagnostic_entries(
-            server_id,
-            abs_path,
-            result_id,
-            version,
-            diagnostics,
+            vec![DocumentDiagnosticsUpdate {
+                diagnostics: DocumentDiagnostics {
+                    diagnostics,
+                    document_abs_path: abs_path,
+                    version,
+                },
+                result_id,
+                server_id,
+                disk_based_sources: Cow::Borrowed(&[]),
+            }],
             |_, _, _| false,
             cx,
         )?;
         Ok(())
     }
 
-    pub fn merge_diagnostic_entries(
+    pub fn merge_diagnostic_entries<'a>(
         &mut self,
-        server_id: LanguageServerId,
-        abs_path: PathBuf,
-        result_id: Option<String>,
-        version: Option<i32>,
-        mut diagnostics: Vec<DiagnosticEntry<Unclipped<PointUtf16>>>,
-        filter: impl Fn(&Buffer, &Diagnostic, &App) -> bool + Clone,
+        diagnostic_updates: Vec<DocumentDiagnosticsUpdate<'a, DocumentDiagnostics>>,
+        merge: impl Fn(&Buffer, &Diagnostic, &App) -> bool + Clone,
         cx: &mut Context<Self>,
     ) -> anyhow::Result<()> {
-        let Some((worktree, relative_path)) =
-            self.worktree_store.read(cx).find_worktree(&abs_path, cx)
-        else {
-            log::warn!("skipping diagnostics update, no worktree found for path {abs_path:?}");
-            return Ok(());
-        };
+        let mut diagnostics_summary = None::<proto::UpdateDiagnosticSummary>;
+        let mut updated_diagnostics_paths = HashMap::default();
+        for mut update in diagnostic_updates {
+            let abs_path = &update.diagnostics.document_abs_path;
+            let server_id = update.server_id;
+            let Some((worktree, relative_path)) =
+                self.worktree_store.read(cx).find_worktree(abs_path, cx)
+            else {
+                log::warn!("skipping diagnostics update, no worktree found for path {abs_path:?}");
+                return Ok(());
+            };
 
-        let project_path = ProjectPath {
-            worktree_id: worktree.read(cx).id(),
-            path: relative_path.into(),
-        };
+            let worktree_id = worktree.read(cx).id();
+            let project_path = ProjectPath {
+                worktree_id,
+                path: relative_path.into(),
+            };
 
-        if let Some(buffer_handle) = self.buffer_store.read(cx).get_by_path(&project_path) {
-            let snapshot = buffer_handle.read(cx).snapshot();
-            let buffer = buffer_handle.read(cx);
-            let reused_diagnostics = buffer
-                .get_diagnostics(server_id)
-                .into_iter()
-                .flat_map(|diag| {
-                    diag.iter()
-                        .filter(|v| filter(buffer, &v.diagnostic, cx))
-                        .map(|v| {
-                            let start = Unclipped(v.range.start.to_point_utf16(&snapshot));
-                            let end = Unclipped(v.range.end.to_point_utf16(&snapshot));
-                            DiagnosticEntry {
-                                range: start..end,
-                                diagnostic: v.diagnostic.clone(),
-                            }
-                        })
-                })
-                .collect::<Vec<_>>();
+            if let Some(buffer_handle) = self.buffer_store.read(cx).get_by_path(&project_path) {
+                let snapshot = buffer_handle.read(cx).snapshot();
+                let buffer = buffer_handle.read(cx);
+                let reused_diagnostics = buffer
+                    .buffer_diagnostics(Some(server_id))
+                    .iter()
+                    .filter(|v| merge(buffer, &v.diagnostic, cx))
+                    .map(|v| {
+                        let start = Unclipped(v.range.start.to_point_utf16(&snapshot));
+                        let end = Unclipped(v.range.end.to_point_utf16(&snapshot));
+                        DiagnosticEntry {
+                            range: start..end,
+                            diagnostic: v.diagnostic.clone(),
+                        }
+                    })
+                    .collect::<Vec<_>>();
 
-            self.as_local_mut()
-                .context("cannot merge diagnostics on a remote LspStore")?
-                .update_buffer_diagnostics(
-                    &buffer_handle,
+                self.as_local_mut()
+                    .context("cannot merge diagnostics on a remote LspStore")?
+                    .update_buffer_diagnostics(
+                        &buffer_handle,
+                        server_id,
+                        update.result_id,
+                        update.diagnostics.version,
+                        update.diagnostics.diagnostics.clone(),
+                        reused_diagnostics.clone(),
+                        cx,
+                    )?;
+
+                update.diagnostics.diagnostics.extend(reused_diagnostics);
+            }
+
+            let updated = worktree.update(cx, |worktree, cx| {
+                self.update_worktree_diagnostics(
+                    worktree.id(),
                     server_id,
-                    result_id,
-                    version,
-                    diagnostics.clone(),
-                    reused_diagnostics.clone(),
+                    project_path.path.clone(),
+                    update.diagnostics.diagnostics,
                     cx,
-                )?;
-
-            diagnostics.extend(reused_diagnostics);
+                )
+            })?;
+            match updated {
+                ControlFlow::Continue(new_summary) => {
+                    if let Some((project_id, new_summary)) = new_summary {
+                        match &mut diagnostics_summary {
+                            Some(diagnostics_summary) => {
+                                diagnostics_summary
+                                    .more_summaries
+                                    .push(proto::DiagnosticSummary {
+                                        path: project_path.path.as_ref().to_proto(),
+                                        language_server_id: server_id.0 as u64,
+                                        error_count: new_summary.error_count,
+                                        warning_count: new_summary.warning_count,
+                                    })
+                            }
+                            None => {
+                                diagnostics_summary = Some(proto::UpdateDiagnosticSummary {
+                                    project_id,
+                                    worktree_id: worktree_id.to_proto(),
+                                    summary: Some(proto::DiagnosticSummary {
+                                        path: project_path.path.as_ref().to_proto(),
+                                        language_server_id: server_id.0 as u64,
+                                        error_count: new_summary.error_count,
+                                        warning_count: new_summary.warning_count,
+                                    }),
+                                    more_summaries: Vec::new(),
+                                })
+                            }
+                        }
+                    }
+                    updated_diagnostics_paths
+                        .entry(server_id)
+                        .or_insert_with(Vec::new)
+                        .push(project_path);
+                }
+                ControlFlow::Break(()) => {}
+            }
         }
 
-        let updated = worktree.update(cx, |worktree, cx| {
-            self.update_worktree_diagnostics(
-                worktree.id(),
-                server_id,
-                project_path.path.clone(),
-                diagnostics,
-                cx,
-            )
-        })?;
-        if updated {
-            cx.emit(LspStoreEvent::DiagnosticsUpdated {
-                language_server_id: server_id,
-                path: project_path,
-            })
+        if let Some((diagnostics_summary, (downstream_client, _))) =
+            diagnostics_summary.zip(self.downstream_client.as_ref())
+        {
+            downstream_client.send(diagnostics_summary).log_err();
+        }
+        for (server_id, paths) in updated_diagnostics_paths {
+            cx.emit(LspStoreEvent::DiagnosticsUpdated { server_id, paths });
         }
         Ok(())
     }
@@ -7749,10 +7678,10 @@ impl LspStore {
         &mut self,
         worktree_id: WorktreeId,
         server_id: LanguageServerId,
-        worktree_path: Arc<Path>,
+        path_in_worktree: Arc<Path>,
         diagnostics: Vec<DiagnosticEntry<Unclipped<PointUtf16>>>,
         _: &mut Context<Worktree>,
-    ) -> Result<bool> {
+    ) -> Result<ControlFlow<(), Option<(u64, proto::DiagnosticSummary)>>> {
         let local = match &mut self.mode {
             LspStoreMode::Local(local_lsp_store) => local_lsp_store,
             _ => anyhow::bail!("update_worktree_diagnostics called on remote"),
@@ -7760,7 +7689,9 @@ impl LspStore {
 
         let summaries_for_tree = self.diagnostic_summaries.entry(worktree_id).or_default();
         let diagnostics_for_tree = local.diagnostics.entry(worktree_id).or_default();
-        let summaries_by_server_id = summaries_for_tree.entry(worktree_path.clone()).or_default();
+        let summaries_by_server_id = summaries_for_tree
+            .entry(path_in_worktree.clone())
+            .or_default();
 
         let old_summary = summaries_by_server_id
             .remove(&server_id)
@@ -7768,18 +7699,19 @@ impl LspStore {
 
         let new_summary = DiagnosticSummary::new(&diagnostics);
         if new_summary.is_empty() {
-            if let Some(diagnostics_by_server_id) = diagnostics_for_tree.get_mut(&worktree_path) {
+            if let Some(diagnostics_by_server_id) = diagnostics_for_tree.get_mut(&path_in_worktree)
+            {
                 if let Ok(ix) = diagnostics_by_server_id.binary_search_by_key(&server_id, |e| e.0) {
                     diagnostics_by_server_id.remove(ix);
                 }
                 if diagnostics_by_server_id.is_empty() {
-                    diagnostics_for_tree.remove(&worktree_path);
+                    diagnostics_for_tree.remove(&path_in_worktree);
                 }
             }
         } else {
             summaries_by_server_id.insert(server_id, new_summary);
             let diagnostics_by_server_id = diagnostics_for_tree
-                .entry(worktree_path.clone())
+                .entry(path_in_worktree.clone())
                 .or_default();
             match diagnostics_by_server_id.binary_search_by_key(&server_id, |e| e.0) {
                 Ok(ix) => {
@@ -7792,23 +7724,22 @@ impl LspStore {
         }
 
         if !old_summary.is_empty() || !new_summary.is_empty() {
-            if let Some((downstream_client, project_id)) = &self.downstream_client {
-                downstream_client
-                    .send(proto::UpdateDiagnosticSummary {
-                        project_id: *project_id,
-                        worktree_id: worktree_id.to_proto(),
-                        summary: Some(proto::DiagnosticSummary {
-                            path: worktree_path.to_proto(),
-                            language_server_id: server_id.0 as u64,
-                            error_count: new_summary.error_count as u32,
-                            warning_count: new_summary.warning_count as u32,
-                        }),
-                    })
-                    .log_err();
+            if let Some((_, project_id)) = &self.downstream_client {
+                Ok(ControlFlow::Continue(Some((
+                    *project_id,
+                    proto::DiagnosticSummary {
+                        path: path_in_worktree.to_proto(),
+                        language_server_id: server_id.0 as u64,
+                        error_count: new_summary.error_count as u32,
+                        warning_count: new_summary.warning_count as u32,
+                    },
+                ))))
+            } else {
+                Ok(ControlFlow::Continue(None))
             }
+        } else {
+            Ok(ControlFlow::Break(()))
         }
-
-        Ok(!old_summary.is_empty() || !new_summary.is_empty())
     }
 
     pub fn open_buffer_for_symbol(
@@ -7828,17 +7759,12 @@ impl LspStore {
                     .await
             })
         } else if let Some(local) = self.as_local() {
-            let Some(language_server_id) = local
-                .language_server_ids
-                .get(&(
-                    symbol.source_worktree_id,
-                    symbol.language_server_name.clone(),
-                ))
-                .and_then(|ids| {
-                    ids.contains(&symbol.source_language_server_id)
-                        .then_some(symbol.source_language_server_id)
-                })
-            else {
+            let is_valid = local.language_server_ids.iter().any(|(seed, state)| {
+                seed.worktree_id == symbol.source_worktree_id
+                    && state.id == symbol.source_language_server_id
+                    && symbol.language_server_name == seed.name
+            });
+            if !is_valid {
                 return Task::ready(Err(anyhow!(
                     "language server for worktree and language not found"
                 )));
@@ -7862,22 +7788,16 @@ impl LspStore {
                 return Task::ready(Err(anyhow!("invalid symbol path")));
             };
 
-            self.open_local_buffer_via_lsp(
-                symbol_uri,
-                language_server_id,
-                symbol.language_server_name.clone(),
-                cx,
-            )
+            self.open_local_buffer_via_lsp(symbol_uri, symbol.source_language_server_id, cx)
         } else {
             Task::ready(Err(anyhow!("no upstream client or local store")))
         }
     }
 
-    pub fn open_local_buffer_via_lsp(
+    pub(crate) fn open_local_buffer_via_lsp(
         &mut self,
         mut abs_path: lsp::Url,
         language_server_id: LanguageServerId,
-        language_server_name: LanguageServerName,
         cx: &mut Context<Self>,
     ) -> Task<Result<Entity<Buffer>>> {
         cx.spawn(async move |lsp_store, cx| {
@@ -7928,12 +7848,13 @@ impl LspStore {
                 if worktree.read_with(cx, |worktree, _| worktree.is_local())? {
                     lsp_store
                         .update(cx, |lsp_store, cx| {
-                            lsp_store.register_local_language_server(
-                                worktree.clone(),
-                                language_server_name,
-                                language_server_id,
-                                cx,
-                            )
+                            if let Some(local) = lsp_store.as_local_mut() {
+                                local.register_language_server_for_invisible_worktree(
+                                    &worktree,
+                                    language_server_id,
+                                    cx,
+                                )
+                            }
                         })
                         .ok();
                 }
@@ -8066,12 +7987,209 @@ impl LspStore {
         })?
     }
 
+    async fn handle_lsp_query(
+        lsp_store: Entity<Self>,
+        envelope: TypedEnvelope<proto::LspQuery>,
+        mut cx: AsyncApp,
+    ) -> Result<proto::Ack> {
+        use proto::lsp_query::Request;
+        let sender_id = envelope.original_sender_id().unwrap_or_default();
+        let lsp_query = envelope.payload;
+        let lsp_request_id = LspRequestId(lsp_query.lsp_request_id);
+        match lsp_query.request.context("invalid LSP query request")? {
+            Request::GetReferences(get_references) => {
+                let position = get_references.position.clone().and_then(deserialize_anchor);
+                Self::query_lsp_locally::<GetReferences>(
+                    lsp_store,
+                    sender_id,
+                    lsp_request_id,
+                    get_references,
+                    position,
+                    cx.clone(),
+                )
+                .await?;
+            }
+            Request::GetDocumentColor(get_document_color) => {
+                Self::query_lsp_locally::<GetDocumentColor>(
+                    lsp_store,
+                    sender_id,
+                    lsp_request_id,
+                    get_document_color,
+                    None,
+                    cx.clone(),
+                )
+                .await?;
+            }
+            Request::GetHover(get_hover) => {
+                let position = get_hover.position.clone().and_then(deserialize_anchor);
+                Self::query_lsp_locally::<GetHover>(
+                    lsp_store,
+                    sender_id,
+                    lsp_request_id,
+                    get_hover,
+                    position,
+                    cx.clone(),
+                )
+                .await?;
+            }
+            Request::GetCodeActions(get_code_actions) => {
+                Self::query_lsp_locally::<GetCodeActions>(
+                    lsp_store,
+                    sender_id,
+                    lsp_request_id,
+                    get_code_actions,
+                    None,
+                    cx.clone(),
+                )
+                .await?;
+            }
+            Request::GetSignatureHelp(get_signature_help) => {
+                let position = get_signature_help
+                    .position
+                    .clone()
+                    .and_then(deserialize_anchor);
+                Self::query_lsp_locally::<GetSignatureHelp>(
+                    lsp_store,
+                    sender_id,
+                    lsp_request_id,
+                    get_signature_help,
+                    position,
+                    cx.clone(),
+                )
+                .await?;
+            }
+            Request::GetCodeLens(get_code_lens) => {
+                Self::query_lsp_locally::<GetCodeLens>(
+                    lsp_store,
+                    sender_id,
+                    lsp_request_id,
+                    get_code_lens,
+                    None,
+                    cx.clone(),
+                )
+                .await?;
+            }
+            Request::GetDefinition(get_definition) => {
+                let position = get_definition.position.clone().and_then(deserialize_anchor);
+                Self::query_lsp_locally::<GetDefinitions>(
+                    lsp_store,
+                    sender_id,
+                    lsp_request_id,
+                    get_definition,
+                    position,
+                    cx.clone(),
+                )
+                .await?;
+            }
+            Request::GetDeclaration(get_declaration) => {
+                let position = get_declaration
+                    .position
+                    .clone()
+                    .and_then(deserialize_anchor);
+                Self::query_lsp_locally::<GetDeclarations>(
+                    lsp_store,
+                    sender_id,
+                    lsp_request_id,
+                    get_declaration,
+                    position,
+                    cx.clone(),
+                )
+                .await?;
+            }
+            Request::GetTypeDefinition(get_type_definition) => {
+                let position = get_type_definition
+                    .position
+                    .clone()
+                    .and_then(deserialize_anchor);
+                Self::query_lsp_locally::<GetTypeDefinitions>(
+                    lsp_store,
+                    sender_id,
+                    lsp_request_id,
+                    get_type_definition,
+                    position,
+                    cx.clone(),
+                )
+                .await?;
+            }
+            Request::GetImplementation(get_implementation) => {
+                let position = get_implementation
+                    .position
+                    .clone()
+                    .and_then(deserialize_anchor);
+                Self::query_lsp_locally::<GetImplementations>(
+                    lsp_store,
+                    sender_id,
+                    lsp_request_id,
+                    get_implementation,
+                    position,
+                    cx.clone(),
+                )
+                .await?;
+            }
+            // Diagnostics pull synchronizes internally via the buffer state, and cannot be handled generically as the other requests.
+            Request::GetDocumentDiagnostics(get_document_diagnostics) => {
+                let buffer_id = BufferId::new(get_document_diagnostics.buffer_id())?;
+                let version = deserialize_version(get_document_diagnostics.buffer_version());
+                let buffer = lsp_store.update(&mut cx, |this, cx| {
+                    this.buffer_store.read(cx).get_existing(buffer_id)
+                })??;
+                buffer
+                    .update(&mut cx, |buffer, _| {
+                        buffer.wait_for_version(version.clone())
+                    })?
+                    .await?;
+                lsp_store.update(&mut cx, |lsp_store, cx| {
+                    let existing_queries = lsp_store
+                        .running_lsp_requests
+                        .entry(TypeId::of::<GetDocumentDiagnostics>())
+                        .or_default();
+                    if <GetDocumentDiagnostics as LspCommand>::ProtoRequest::stop_previous_requests(
+                    ) || buffer.read(cx).version.changed_since(&existing_queries.0)
+                    {
+                        existing_queries.1.clear();
+                    }
+                    existing_queries.1.insert(
+                        lsp_request_id,
+                        cx.spawn(async move |lsp_store, cx| {
+                            let diagnostics_pull = lsp_store
+                                .update(cx, |lsp_store, cx| {
+                                    lsp_store.pull_diagnostics_for_buffer(buffer, cx)
+                                })
+                                .ok();
+                            if let Some(diagnostics_pull) = diagnostics_pull {
+                                match diagnostics_pull.await {
+                                    Ok(()) => {}
+                                    Err(e) => log::error!("Failed to pull diagnostics: {e:#}"),
+                                };
+                            }
+                        }),
+                    );
+                })?;
+            }
+        }
+        Ok(proto::Ack {})
+    }
+
+    async fn handle_lsp_query_response(
+        lsp_store: Entity<Self>,
+        envelope: TypedEnvelope<proto::LspQueryResponse>,
+        cx: AsyncApp,
+    ) -> Result<()> {
+        lsp_store.read_with(&cx, |lsp_store, _| {
+            if let Some((upstream_client, _)) = lsp_store.upstream_client() {
+                upstream_client.handle_lsp_response(envelope.clone());
+            }
+        })?;
+        Ok(())
+    }
+
+    // todo(lsp) remove after Zed Stable hits v0.204.x
     async fn handle_multi_lsp_query(
         lsp_store: Entity<Self>,
         envelope: TypedEnvelope<proto::MultiLspQuery>,
         mut cx: AsyncApp,
     ) -> Result<proto::MultiLspQueryResponse> {
-        let response_from_ssh = lsp_store.read_with(&mut cx, |this, _| {
+        let response_from_ssh = lsp_store.read_with(&cx, |this, _| {
             let (upstream_client, project_id) = this.upstream_client()?;
             let mut payload = envelope.payload.clone();
             payload.project_id = project_id;
@@ -8093,7 +8211,7 @@ impl LspStore {
                 buffer.wait_for_version(version.clone())
             })?
             .await?;
-        let buffer_version = buffer.read_with(&mut cx, |buffer, _| buffer.version())?;
+        let buffer_version = buffer.read_with(&cx, |buffer, _| buffer.version())?;
         match envelope
             .payload
             .strategy
@@ -8612,34 +8730,6 @@ impl LspStore {
         Ok(proto::Ack {})
     }
 
-    async fn handle_language_server_id_for_name(
-        lsp_store: Entity<Self>,
-        envelope: TypedEnvelope<proto::LanguageServerIdForName>,
-        mut cx: AsyncApp,
-    ) -> Result<proto::LanguageServerIdForNameResponse> {
-        let name = &envelope.payload.name;
-        let buffer_id = BufferId::new(envelope.payload.buffer_id)?;
-        lsp_store
-            .update(&mut cx, |lsp_store, cx| {
-                let buffer = lsp_store.buffer_store.read(cx).get_existing(buffer_id)?;
-                let server_id = buffer.update(cx, |buffer, cx| {
-                    lsp_store
-                        .language_servers_for_local_buffer(buffer, cx)
-                        .find_map(|(adapter, server)| {
-                            if adapter.name.0.as_ref() == name {
-                                Some(server.server_id())
-                            } else {
-                                None
-                            }
-                        })
-                });
-                Ok(server_id)
-            })?
-            .map(|server_id| proto::LanguageServerIdForNameResponse {
-                server_id: server_id.map(|id| id.to_proto()),
-            })
-    }
-
     async fn handle_rename_project_entry(
         this: Entity<Self>,
         envelope: TypedEnvelope<proto::RenameProjectEntry>,
@@ -8662,12 +8752,12 @@ impl LspStore {
             })?
             .context("worktree not found")?;
         let (old_abs_path, new_abs_path) = {
-            let root_path = worktree.read_with(&mut cx, |this, _| this.abs_path())?;
+            let root_path = worktree.read_with(&cx, |this, _| this.abs_path())?;
             let new_path = PathBuf::from_proto(envelope.payload.new_path.clone());
             (root_path.join(&old_path), root_path.join(&new_path))
         };
 
-        Self::will_rename_entry(
+        let _transaction = Self::will_rename_entry(
             this.downgrade(),
             worktree_id,
             &old_abs_path,
@@ -8677,7 +8767,7 @@ impl LspStore {
         )
         .await;
         let response = Worktree::handle_rename_entry(worktree, envelope.payload, cx.clone()).await;
-        this.read_with(&mut cx, |this, _| {
+        this.read_with(&cx, |this, _| {
             this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
         })
         .ok();
@@ -8689,75 +8779,116 @@ impl LspStore {
         envelope: TypedEnvelope<proto::UpdateDiagnosticSummary>,
         mut cx: AsyncApp,
     ) -> Result<()> {
-        this.update(&mut cx, |this, cx| {
+        this.update(&mut cx, |lsp_store, cx| {
             let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
-            if let Some(message) = envelope.payload.summary {
+            let mut updated_diagnostics_paths = HashMap::default();
+            let mut diagnostics_summary = None::<proto::UpdateDiagnosticSummary>;
+            for message_summary in envelope
+                .payload
+                .summary
+                .into_iter()
+                .chain(envelope.payload.more_summaries)
+            {
                 let project_path = ProjectPath {
                     worktree_id,
-                    path: Arc::<Path>::from_proto(message.path),
+                    path: Arc::<Path>::from_proto(message_summary.path),
                 };
                 let path = project_path.path.clone();
-                let server_id = LanguageServerId(message.language_server_id as usize);
+                let server_id = LanguageServerId(message_summary.language_server_id as usize);
                 let summary = DiagnosticSummary {
-                    error_count: message.error_count as usize,
-                    warning_count: message.warning_count as usize,
+                    error_count: message_summary.error_count as usize,
+                    warning_count: message_summary.warning_count as usize,
                 };
 
                 if summary.is_empty() {
                     if let Some(worktree_summaries) =
-                        this.diagnostic_summaries.get_mut(&worktree_id)
+                        lsp_store.diagnostic_summaries.get_mut(&worktree_id)
+                        && let Some(summaries) = worktree_summaries.get_mut(&path)
                     {
-                        if let Some(summaries) = worktree_summaries.get_mut(&path) {
-                            summaries.remove(&server_id);
-                            if summaries.is_empty() {
-                                worktree_summaries.remove(&path);
-                            }
+                        summaries.remove(&server_id);
+                        if summaries.is_empty() {
+                            worktree_summaries.remove(&path);
                         }
                     }
                 } else {
-                    this.diagnostic_summaries
+                    lsp_store
+                        .diagnostic_summaries
                         .entry(worktree_id)
                         .or_default()
                         .entry(path)
                         .or_default()
                         .insert(server_id, summary);
                 }
-                if let Some((downstream_client, project_id)) = &this.downstream_client {
-                    downstream_client
-                        .send(proto::UpdateDiagnosticSummary {
-                            project_id: *project_id,
-                            worktree_id: worktree_id.to_proto(),
-                            summary: Some(proto::DiagnosticSummary {
-                                path: project_path.path.as_ref().to_proto(),
-                                language_server_id: server_id.0 as u64,
-                                error_count: summary.error_count as u32,
-                                warning_count: summary.warning_count as u32,
-                            }),
-                        })
-                        .log_err();
+
+                if let Some((_, project_id)) = &lsp_store.downstream_client {
+                    match &mut diagnostics_summary {
+                        Some(diagnostics_summary) => {
+                            diagnostics_summary
+                                .more_summaries
+                                .push(proto::DiagnosticSummary {
+                                    path: project_path.path.as_ref().to_proto(),
+                                    language_server_id: server_id.0 as u64,
+                                    error_count: summary.error_count as u32,
+                                    warning_count: summary.warning_count as u32,
+                                })
+                        }
+                        None => {
+                            diagnostics_summary = Some(proto::UpdateDiagnosticSummary {
+                                project_id: *project_id,
+                                worktree_id: worktree_id.to_proto(),
+                                summary: Some(proto::DiagnosticSummary {
+                                    path: project_path.path.as_ref().to_proto(),
+                                    language_server_id: server_id.0 as u64,
+                                    error_count: summary.error_count as u32,
+                                    warning_count: summary.warning_count as u32,
+                                }),
+                                more_summaries: Vec::new(),
+                            })
+                        }
+                    }
                 }
-                cx.emit(LspStoreEvent::DiagnosticsUpdated {
-                    language_server_id: LanguageServerId(message.language_server_id as usize),
-                    path: project_path,
-                });
+                updated_diagnostics_paths
+                    .entry(server_id)
+                    .or_insert_with(Vec::new)
+                    .push(project_path);
+            }
+
+            if let Some((diagnostics_summary, (downstream_client, _))) =
+                diagnostics_summary.zip(lsp_store.downstream_client.as_ref())
+            {
+                downstream_client.send(diagnostics_summary).log_err();
+            }
+            for (server_id, paths) in updated_diagnostics_paths {
+                cx.emit(LspStoreEvent::DiagnosticsUpdated { server_id, paths });
             }
             Ok(())
         })?
     }
 
     async fn handle_start_language_server(
-        this: Entity<Self>,
+        lsp_store: Entity<Self>,
         envelope: TypedEnvelope<proto::StartLanguageServer>,
         mut cx: AsyncApp,
     ) -> Result<()> {
         let server = envelope.payload.server.context("invalid server")?;
-
-        this.update(&mut cx, |this, cx| {
+        let server_capabilities =
+            serde_json::from_str::<lsp::ServerCapabilities>(&envelope.payload.capabilities)
+                .with_context(|| {
+                    format!(
+                        "incorrect server capabilities {}",
+                        envelope.payload.capabilities
+                    )
+                })?;
+        lsp_store.update(&mut cx, |lsp_store, cx| {
             let server_id = LanguageServerId(server.id as usize);
-            this.language_server_statuses.insert(
+            let server_name = LanguageServerName::from_proto(server.name.clone());
+            lsp_store
+                .lsp_server_capabilities
+                .insert(server_id, server_capabilities);
+            lsp_store.language_server_statuses.insert(
                 server_id,
                 LanguageServerStatus {
-                    name: server.name.clone(),
+                    name: server_name.clone(),
                     pending_work: Default::default(),
                     has_pending_diagnostic_updates: false,
                     progress_tokens: Default::default(),
@@ -8765,7 +8896,7 @@ impl LspStore {
             );
             cx.emit(LspStoreEvent::LanguageServerAdded(
                 server_id,
-                LanguageServerName(server.name.into()),
+                server_name,
                 server.worktree_id.map(WorktreeId::from_proto),
             ));
             cx.notify();
@@ -8826,7 +8957,8 @@ impl LspStore {
                 }
 
                 non_lsp @ proto::update_language_server::Variant::StatusUpdate(_)
-                | non_lsp @ proto::update_language_server::Variant::RegisteredForBuffer(_) => {
+                | non_lsp @ proto::update_language_server::Variant::RegisteredForBuffer(_)
+                | non_lsp @ proto::update_language_server::Variant::MetadataUpdated(_) => {
                     cx.emit(LspStoreEvent::LanguageServerUpdate {
                         language_server_id,
                         name: envelope
@@ -8869,10 +9001,10 @@ impl LspStore {
     async fn handle_lsp_ext_cancel_flycheck(
         lsp_store: Entity<Self>,
         envelope: TypedEnvelope<proto::LspExtCancelFlycheck>,
-        mut cx: AsyncApp,
+        cx: AsyncApp,
     ) -> Result<proto::Ack> {
         let server_id = LanguageServerId(envelope.payload.language_server_id as usize);
-        lsp_store.read_with(&mut cx, |lsp_store, _| {
+        lsp_store.read_with(&cx, |lsp_store, _| {
             if let Some(server) = lsp_store.language_server_for_id(server_id) {
                 server
                     .notify::<lsp_store::lsp_ext_command::LspExtCancelFlycheck>(&())
@@ -8894,13 +9026,22 @@ impl LspStore {
         lsp_store.update(&mut cx, |lsp_store, cx| {
             if let Some(server) = lsp_store.language_server_for_id(server_id) {
                 let text_document = if envelope.payload.current_file_only {
-                    let buffer_id = BufferId::new(envelope.payload.buffer_id)?;
-                    lsp_store
-                        .buffer_store()
-                        .read(cx)
-                        .get(buffer_id)
-                        .and_then(|buffer| Some(buffer.read(cx).file()?.as_local()?.abs_path(cx)))
-                        .map(|path| make_text_document_identifier(&path))
+                    let buffer_id = envelope
+                        .payload
+                        .buffer_id
+                        .map(|id| BufferId::new(id))
+                        .transpose()?;
+                    buffer_id
+                        .and_then(|buffer_id| {
+                            lsp_store
+                                .buffer_store()
+                                .read(cx)
+                                .get(buffer_id)
+                                .and_then(|buffer| {
+                                    Some(buffer.read(cx).file()?.as_local()?.abs_path(cx))
+                                })
+                                .map(|path| make_text_document_identifier(&path))
+                        })
                         .transpose()?
                 } else {
                     None
@@ -8921,10 +9062,10 @@ impl LspStore {
     async fn handle_lsp_ext_clear_flycheck(
         lsp_store: Entity<Self>,
         envelope: TypedEnvelope<proto::LspExtClearFlycheck>,
-        mut cx: AsyncApp,
+        cx: AsyncApp,
     ) -> Result<proto::Ack> {
         let server_id = LanguageServerId(envelope.payload.language_server_id as usize);
-        lsp_store.read_with(&mut cx, |lsp_store, _| {
+        lsp_store.read_with(&cx, |lsp_store, _| {
             if let Some(server) = lsp_store.language_server_for_id(server_id) {
                 server
                     .notify::<lsp_store::lsp_ext_command::LspExtClearFlycheck>(&())
@@ -9087,7 +9228,7 @@ impl LspStore {
         new_path: &Path,
         is_dir: bool,
         cx: AsyncApp,
-    ) -> Task<()> {
+    ) -> Task<ProjectTransaction> {
         let old_uri = lsp::Url::from_file_path(old_path).ok().map(String::from);
         let new_uri = lsp::Url::from_file_path(new_path).ok().map(String::from);
         cx.spawn(async move |cx| {
@@ -9103,11 +9244,7 @@ impl LspStore {
                     else {
                         continue;
                     };
-                    let Some(adapter) =
-                        this.language_server_adapter_for_id(language_server.server_id())
-                    else {
-                        continue;
-                    };
+
                     if filter.should_send_will_rename(&old_uri, is_dir) {
                         let apply_edit = cx.spawn({
                             let old_uri = old_uri.clone();
@@ -9124,17 +9261,16 @@ impl LspStore {
                                     .log_err()
                                     .flatten()?;
 
-                                LocalLspStore::deserialize_workspace_edit(
+                                let transaction = LocalLspStore::deserialize_workspace_edit(
                                     this.upgrade()?,
                                     edit,
                                     false,
-                                    adapter.clone(),
                                     language_server.clone(),
                                     cx,
                                 )
                                 .await
-                                .ok();
-                                Some(())
+                                .ok()?;
+                                Some(transaction)
                             }
                         });
                         tasks.push(apply_edit);
@@ -9144,11 +9280,17 @@ impl LspStore {
             })
             .ok()
             .flatten();
+            let mut merged_transaction = ProjectTransaction::default();
             for task in tasks {
                 // Await on tasks sequentially so that the order of application of edits is deterministic
                 // (at least with regards to the order of registration of language servers)
-                task.await;
+                if let Some(transaction) = task.await {
+                    for (buffer, buffer_transaction) in transaction.0 {
+                        merged_transaction.0.insert(buffer, buffer_transaction);
+                    }
+                }
             }
+            merged_transaction
         })
     }
 
@@ -9185,16 +9327,7 @@ impl LspStore {
     }
 
     pub fn language_server_for_id(&self, id: LanguageServerId) -> Option<Arc<LanguageServer>> {
-        let local_lsp_store = self.as_local()?;
-        if let Some(LanguageServerState::Running { server, .. }) =
-            local_lsp_store.language_servers.get(&id)
-        {
-            Some(server.clone())
-        } else if let Some((_, server)) = local_lsp_store.supplementary_language_servers.get(&id) {
-            Some(Arc::clone(server))
-        } else {
-            None
-        }
+        self.as_local()?.language_server_for_id(id)
     }
 
     fn on_lsp_progress(
@@ -9258,9 +9391,7 @@ impl LspStore {
 
         let is_disk_based_diagnostics_progress = disk_based_diagnostics_progress_token
             .as_ref()
-            .map_or(false, |disk_based_token| {
-                token.starts_with(disk_based_token)
-            });
+            .is_some_and(|disk_based_token| token.starts_with(disk_based_token));
 
         match progress {
             lsp::WorkDoneProgress::Begin(report) => {
@@ -9390,10 +9521,10 @@ impl LspStore {
         cx: &mut Context<Self>,
     ) {
         if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
-            if let Some(work) = status.pending_work.remove(&token) {
-                if !work.is_disk_based_diagnostics_progress {
-                    cx.emit(LspStoreEvent::RefreshInlayHints);
-                }
+            if let Some(work) = status.pending_work.remove(&token)
+                && !work.is_disk_based_diagnostics_progress
+            {
+                cx.emit(LspStoreEvent::RefreshInlayHints);
             }
             cx.notify();
         }
@@ -9706,7 +9837,7 @@ impl LspStore {
         let peer_id = envelope.original_sender_id().unwrap_or_default();
         let symbol = envelope.payload.symbol.context("invalid symbol")?;
         let symbol = Self::deserialize_symbol(symbol)?;
-        let symbol = this.read_with(&mut cx, |this, _| {
+        let symbol = this.read_with(&cx, |this, _| {
             let signature = this.symbol_signature(&symbol.path);
             anyhow::ensure!(signature == symbol.signature, "invalid symbol signature");
             Ok(symbol)
@@ -9956,7 +10087,7 @@ impl LspStore {
     ) -> Shared<Task<Option<HashMap<String, String>>>> {
         if let Some(environment) = &self.as_local().map(|local| local.environment.clone()) {
             environment.update(cx, |env, cx| {
-                env.get_buffer_environment(&buffer, &self.worktree_store, cx)
+                env.get_buffer_environment(buffer, &self.worktree_store, cx)
             })
         } else {
             Task::ready(None).shared()
@@ -9972,7 +10103,7 @@ impl LspStore {
         cx: &mut Context<Self>,
     ) -> Task<anyhow::Result<ProjectTransaction>> {
         let logger = zlog::scoped!("format");
-        if let Some(_) = self.as_local() {
+        if self.as_local().is_some() {
             zlog::trace!(logger => "Formatting locally");
             let logger = zlog::scoped!(logger => "local");
             let buffers = buffers
@@ -10187,10 +10318,10 @@ impl LspStore {
             None => None,
         };
 
-        if let Some(server) = server {
-            if let Some(shutdown) = server.shutdown() {
-                shutdown.await;
-            }
+        if let Some(server) = server
+            && let Some(shutdown) = server.shutdown()
+        {
+            shutdown.await;
         }
     }
 
@@ -10200,28 +10331,18 @@ impl LspStore {
         &mut self,
         server_id: LanguageServerId,
         cx: &mut Context<Self>,
-    ) -> Task<Vec<WorktreeId>> {
+    ) -> Task<()> {
         let local = match &mut self.mode {
             LspStoreMode::Local(local) => local,
             _ => {
-                return Task::ready(Vec::new());
+                return Task::ready(());
             }
         };
 
-        let mut orphaned_worktrees = Vec::new();
         // Remove this server ID from all entries in the given worktree.
-        local.language_server_ids.retain(|(worktree, _), ids| {
-            if !ids.remove(&server_id) {
-                return true;
-            }
-
-            if ids.is_empty() {
-                orphaned_worktrees.push(*worktree);
-                false
-            } else {
-                true
-            }
-        });
+        local
+            .language_server_ids
+            .retain(|_, state| state.id != server_id);
         self.buffer_store.update(cx, |buffer_store, cx| {
             for buffer in buffer_store.buffers() {
                 buffer.update(cx, |buffer, cx| {
@@ -10245,6 +10366,7 @@ impl LspStore {
                                     error_count: 0,
                                     warning_count: 0,
                                 }),
+                                more_summaries: Vec::new(),
                             })
                             .log_err();
                     }
@@ -10273,7 +10395,7 @@ impl LspStore {
         let name = self
             .language_server_statuses
             .remove(&server_id)
-            .map(|status| LanguageServerName::from(status.name.as_str()))
+            .map(|status| status.name)
             .or_else(|| {
                 if let Some(LanguageServerState::Running { adapter, .. }) = server_state.as_ref() {
                     Some(adapter.name())
@@ -10299,14 +10421,13 @@ impl LspStore {
                         cx.notify();
                     })
                     .ok();
-                orphaned_worktrees
             });
         }
 
         if server_state.is_some() {
             cx.emit(LspStoreEvent::LanguageServerRemoved(server_id));
         }
-        Task::ready(orphaned_worktrees)
+        Task::ready(())
     }
 
     pub fn stop_all_language_servers(&mut self, cx: &mut Context<Self>) {
@@ -10325,12 +10446,9 @@ impl LspStore {
             let language_servers_to_stop = local
                 .language_server_ids
                 .values()
-                .flatten()
-                .copied()
+                .map(|state| state.id)
                 .collect();
-            local.lsp_tree.update(cx, |this, _| {
-                this.remove_nodes(&language_servers_to_stop);
-            });
+            local.lsp_tree.remove_nodes(&language_servers_to_stop);
             let tasks = language_servers_to_stop
                 .into_iter()
                 .map(|server| self.stop_local_language_server(server, cx))
@@ -10477,37 +10595,31 @@ impl LspStore {
         for buffer in buffers {
             buffer.update(cx, |buffer, cx| {
                 language_servers_to_stop.extend(local.language_server_ids_for_buffer(buffer, cx));
-                if let Some(worktree_id) = buffer.file().map(|f| f.worktree_id(cx)) {
-                    if covered_worktrees.insert(worktree_id) {
-                        language_server_names_to_stop.retain(|name| {
-                            match local.language_server_ids.get(&(worktree_id, name.clone())) {
-                                Some(server_ids) => {
-                                    language_servers_to_stop
-                                        .extend(server_ids.into_iter().copied());
-                                    false
-                                }
-                                None => true,
-                            }
-                        });
-                    }
+                if let Some(worktree_id) = buffer.file().map(|f| f.worktree_id(cx))
+                    && covered_worktrees.insert(worktree_id)
+                {
+                    language_server_names_to_stop.retain(|name| {
+                        let old_ids_count = language_servers_to_stop.len();
+                        let all_language_servers_with_this_name = local
+                            .language_server_ids
+                            .iter()
+                            .filter_map(|(seed, state)| seed.name.eq(name).then(|| state.id));
+                        language_servers_to_stop.extend(all_language_servers_with_this_name);
+                        old_ids_count == language_servers_to_stop.len()
+                    });
                 }
             });
         }
         for name in language_server_names_to_stop {
-            if let Some(server_ids) = local
-                .language_server_ids
-                .iter()
-                .filter(|((_, server_name), _)| server_name == &name)
-                .map(|((_, _), server_ids)| server_ids)
-                .max_by_key(|server_ids| server_ids.len())
-            {
-                language_servers_to_stop.extend(server_ids.into_iter().copied());
-            }
+            language_servers_to_stop.extend(
+                local
+                    .language_server_ids
+                    .iter()
+                    .filter_map(|(seed, v)| seed.name.eq(&name).then(|| v.id)),
+            );
         }
 
-        local.lsp_tree.update(cx, |this, _| {
-            this.remove_nodes(&language_servers_to_stop);
-        });
+        local.lsp_tree.remove_nodes(&language_servers_to_stop);
         let tasks = language_servers_to_stop
             .into_iter()
             .map(|server| self.stop_local_language_server(server, cx))
@@ -10533,58 +10645,86 @@ impl LspStore {
         )
     }
 
+    #[cfg(any(test, feature = "test-support"))]
     pub fn update_diagnostics(
         &mut self,
-        language_server_id: LanguageServerId,
-        params: lsp::PublishDiagnosticsParams,
+        server_id: LanguageServerId,
+        diagnostics: lsp::PublishDiagnosticsParams,
         result_id: Option<String>,
         source_kind: DiagnosticSourceKind,
         disk_based_sources: &[String],
         cx: &mut Context<Self>,
     ) -> Result<()> {
-        self.merge_diagnostics(
-            language_server_id,
-            params,
-            result_id,
+        self.merge_lsp_diagnostics(
             source_kind,
-            disk_based_sources,
+            vec![DocumentDiagnosticsUpdate {
+                diagnostics,
+                result_id,
+                server_id,
+                disk_based_sources: Cow::Borrowed(disk_based_sources),
+            }],
             |_, _, _| false,
             cx,
         )
     }
 
-    pub fn merge_diagnostics(
+    pub fn merge_lsp_diagnostics(
         &mut self,
-        language_server_id: LanguageServerId,
-        mut params: lsp::PublishDiagnosticsParams,
-        result_id: Option<String>,
         source_kind: DiagnosticSourceKind,
-        disk_based_sources: &[String],
-        filter: impl Fn(&Buffer, &Diagnostic, &App) -> bool + Clone,
+        lsp_diagnostics: Vec<DocumentDiagnosticsUpdate<lsp::PublishDiagnosticsParams>>,
+        merge: impl Fn(&Buffer, &Diagnostic, &App) -> bool + Clone,
         cx: &mut Context<Self>,
     ) -> Result<()> {
         anyhow::ensure!(self.mode.is_local(), "called update_diagnostics on remote");
-        let abs_path = params
-            .uri
-            .to_file_path()
-            .map_err(|()| anyhow!("URI is not a file"))?;
+        let updates = lsp_diagnostics
+            .into_iter()
+            .filter_map(|update| {
+                let abs_path = update.diagnostics.uri.to_file_path().ok()?;
+                Some(DocumentDiagnosticsUpdate {
+                    diagnostics: self.lsp_to_document_diagnostics(
+                        abs_path,
+                        source_kind,
+                        update.server_id,
+                        update.diagnostics,
+                        &update.disk_based_sources,
+                    ),
+                    result_id: update.result_id,
+                    server_id: update.server_id,
+                    disk_based_sources: update.disk_based_sources,
+                })
+            })
+            .collect();
+        self.merge_diagnostic_entries(updates, merge, cx)?;
+        Ok(())
+    }
+
+    fn lsp_to_document_diagnostics(
+        &mut self,
+        document_abs_path: PathBuf,
+        source_kind: DiagnosticSourceKind,
+        server_id: LanguageServerId,
+        mut lsp_diagnostics: lsp::PublishDiagnosticsParams,
+        disk_based_sources: &[String],
+    ) -> DocumentDiagnostics {
         let mut diagnostics = Vec::default();
         let mut primary_diagnostic_group_ids = HashMap::default();
         let mut sources_by_group_id = HashMap::default();
         let mut supporting_diagnostics = HashMap::default();
 
-        let adapter = self.language_server_adapter_for_id(language_server_id);
+        let adapter = self.language_server_adapter_for_id(server_id);
 
         // Ensure that primary diagnostics are always the most severe
-        params.diagnostics.sort_by_key(|item| item.severity);
+        lsp_diagnostics
+            .diagnostics
+            .sort_by_key(|item| item.severity);
 
-        for diagnostic in &params.diagnostics {
+        for diagnostic in &lsp_diagnostics.diagnostics {
             let source = diagnostic.source.as_ref();
             let range = range_from_lsp(diagnostic.range);
             let is_supporting = diagnostic
                 .related_information
                 .as_ref()
-                .map_or(false, |infos| {
+                .is_some_and(|infos| {
                     infos.iter().any(|info| {
                         primary_diagnostic_group_ids.contains_key(&(
                             source,
@@ -10597,11 +10737,11 @@ impl LspStore {
             let is_unnecessary = diagnostic
                 .tags
                 .as_ref()
-                .map_or(false, |tags| tags.contains(&DiagnosticTag::UNNECESSARY));
+                .is_some_and(|tags| tags.contains(&DiagnosticTag::UNNECESSARY));
 
             let underline = self
-                .language_server_adapter_for_id(language_server_id)
-                .map_or(true, |adapter| adapter.underline_diagnostic(diagnostic));
+                .language_server_adapter_for_id(server_id)
+                .is_none_or(|adapter| adapter.underline_diagnostic(diagnostic));
 
             if is_supporting {
                 supporting_diagnostics.insert(
@@ -10611,7 +10751,7 @@ impl LspStore {
             } else {
                 let group_id = post_inc(&mut self.as_local_mut().unwrap().next_diagnostic_group_id);
                 let is_disk_based =
-                    source.map_or(false, |source| disk_based_sources.contains(source));
+                    source.is_some_and(|source| disk_based_sources.contains(source));
 
                 sources_by_group_id.insert(group_id, source);
                 primary_diagnostic_group_ids
@@ -10642,7 +10782,7 @@ impl LspStore {
                 });
                 if let Some(infos) = &diagnostic.related_information {
                     for info in infos {
-                        if info.location.uri == params.uri && !info.message.is_empty() {
+                        if info.location.uri == lsp_diagnostics.uri && !info.message.is_empty() {
                             let range = range_from_lsp(info.location.range);
                             diagnostics.push(DiagnosticEntry {
                                 range,
@@ -10690,16 +10830,11 @@ impl LspStore {
             }
         }
 
-        self.merge_diagnostic_entries(
-            language_server_id,
-            abs_path,
-            result_id,
-            params.version,
+        DocumentDiagnostics {
             diagnostics,
-            filter,
-            cx,
-        )?;
-        Ok(())
+            document_abs_path,
+            version: lsp_diagnostics.version,
+        }
     }
 
     fn insert_newly_running_language_server(
@@ -10707,7 +10842,7 @@ impl LspStore {
         adapter: Arc<CachedLspAdapter>,
         language_server: Arc<LanguageServer>,
         server_id: LanguageServerId,
-        key: (WorktreeId, LanguageServerName),
+        key: LanguageServerSeed,
         workspace_folders: Arc<Mutex<BTreeSet<Url>>>,
         cx: &mut Context<Self>,
     ) {
@@ -10719,7 +10854,7 @@ impl LspStore {
         if local
             .language_server_ids
             .get(&key)
-            .map(|ids| !ids.contains(&server_id))
+            .map(|state| state.id != server_id)
             .unwrap_or(false)
         {
             return;
@@ -10766,7 +10901,7 @@ impl LspStore {
         self.language_server_statuses.insert(
             server_id,
             LanguageServerStatus {
-                name: language_server.name().to_string(),
+                name: language_server.name(),
                 pending_work: Default::default(),
                 has_pending_diagnostic_updates: false,
                 progress_tokens: Default::default(),
@@ -10776,32 +10911,37 @@ impl LspStore {
         cx.emit(LspStoreEvent::LanguageServerAdded(
             server_id,
             language_server.name(),
-            Some(key.0),
+            Some(key.worktree_id),
         ));
         cx.emit(LspStoreEvent::RefreshInlayHints);
 
+        let server_capabilities = language_server.capabilities();
         if let Some((downstream_client, project_id)) = self.downstream_client.as_ref() {
             downstream_client
                 .send(proto::StartLanguageServer {
                     project_id: *project_id,
                     server: Some(proto::LanguageServer {
-                        id: server_id.0 as u64,
+                        id: server_id.to_proto(),
                         name: language_server.name().to_string(),
-                        worktree_id: Some(key.0.to_proto()),
+                        worktree_id: Some(key.worktree_id.to_proto()),
                     }),
+                    capabilities: serde_json::to_string(&server_capabilities)
+                        .expect("serializing server LSP capabilities"),
                 })
                 .log_err();
         }
+        self.lsp_server_capabilities
+            .insert(server_id, server_capabilities);
 
         // Tell the language server about every open buffer in the worktree that matches the language.
         // Also check for buffers in worktrees that reused this server
-        let mut worktrees_using_server = vec![key.0];
+        let mut worktrees_using_server = vec![key.worktree_id];
         if let Some(local) = self.as_local() {
             // Find all worktrees that have this server in their language server tree
-            for (worktree_id, servers) in &local.lsp_tree.read(cx).instances {
-                if *worktree_id != key.0 {
-                    for (_, server_map) in &servers.roots {
-                        if server_map.contains_key(&key.1) {
+            for (worktree_id, servers) in &local.lsp_tree.instances {
+                if *worktree_id != key.worktree_id {
+                    for server_map in servers.roots.values() {
+                        if server_map.contains_key(&key.name) {
                             worktrees_using_server.push(*worktree_id);
                         }
                     }
@@ -10827,7 +10967,7 @@ impl LspStore {
                         .languages
                         .lsp_adapters(&language.name())
                         .iter()
-                        .any(|a| a.name == key.1)
+                        .any(|a| a.name == key.name)
                 {
                     continue;
                 }
@@ -10839,10 +10979,11 @@ impl LspStore {
 
                 let local = self.as_local_mut().unwrap();
 
-                if local.registered_buffers.contains_key(&buffer.remote_id()) {
+                let buffer_id = buffer.remote_id();
+                if local.registered_buffers.contains_key(&buffer_id) {
                     let versions = local
                         .buffer_snapshots
-                        .entry(buffer.remote_id())
+                        .entry(buffer_id)
                         .or_default()
                         .entry(server_id)
                         .and_modify(|_| {
@@ -10868,10 +11009,10 @@ impl LspStore {
                         version,
                         initial_snapshot.text(),
                     );
-                    buffer_paths_registered.push(file.abs_path(cx));
+                    buffer_paths_registered.push((buffer_id, file.abs_path(cx)));
                     local
                         .buffers_opened_in_servers
-                        .entry(buffer.remote_id())
+                        .entry(buffer_id)
                         .or_default()
                         .insert(server_id);
                 }
@@ -10895,13 +11036,14 @@ impl LspStore {
             }
         });
 
-        for abs_path in buffer_paths_registered {
+        for (buffer_id, abs_path) in buffer_paths_registered {
             cx.emit(LspStoreEvent::LanguageServerUpdate {
                 language_server_id: server_id,
                 name: Some(adapter.name()),
                 message: proto::update_language_server::Variant::RegisteredForBuffer(
                     proto::RegisteredForBuffer {
                         buffer_abs_path: abs_path.to_string_lossy().to_string(),
+                        buffer_id: buffer_id.to_proto(),
                     },
                 ),
             });
@@ -10969,10 +11111,10 @@ impl LspStore {
             if let Some((LanguageServerState::Running { server, .. }, status)) = server.zip(status)
             {
                 for (token, progress) in &status.pending_work {
-                    if let Some(token_to_cancel) = token_to_cancel.as_ref() {
-                        if token != token_to_cancel {
-                            continue;
-                        }
+                    if let Some(token_to_cancel) = token_to_cancel.as_ref()
+                        && token != token_to_cancel
+                    {
+                        continue;
                     }
                     if progress.is_cancellable {
                         server
@@ -11063,18 +11205,14 @@ impl LspStore {
         let Some(local) = self.as_local() else { return };
 
         local.prettier_store.update(cx, |prettier_store, cx| {
-            prettier_store.update_prettier_settings(&worktree_handle, changes, cx)
+            prettier_store.update_prettier_settings(worktree_handle, changes, cx)
         });
 
         let worktree_id = worktree_handle.read(cx).id();
         let mut language_server_ids = local
             .language_server_ids
             .iter()
-            .flat_map(|((server_worktree, _), server_ids)| {
-                server_ids
-                    .iter()
-                    .filter_map(|server_id| server_worktree.eq(&worktree_id).then(|| *server_id))
-            })
+            .filter_map(|(seed, v)| seed.worktree_id.eq(&worktree_id).then(|| v.id))
             .collect::<Vec<_>>();
         language_server_ids.sort();
         language_server_ids.dedup();
@@ -11083,41 +11221,47 @@ impl LspStore {
         for server_id in &language_server_ids {
             if let Some(LanguageServerState::Running { server, .. }) =
                 local.language_servers.get(server_id)
-            {
-                if let Some(watched_paths) = local
+                && let Some(watched_paths) = local
                     .language_server_watched_paths
                     .get(server_id)
                     .and_then(|paths| paths.worktree_paths.get(&worktree_id))
-                {
-                    let params = lsp::DidChangeWatchedFilesParams {
-                        changes: changes
-                            .iter()
-                            .filter_map(|(path, _, change)| {
-                                if !watched_paths.is_match(path) {
-                                    return None;
-                                }
-                                let typ = match change {
-                                    PathChange::Loaded => return None,
-                                    PathChange::Added => lsp::FileChangeType::CREATED,
-                                    PathChange::Removed => lsp::FileChangeType::DELETED,
-                                    PathChange::Updated => lsp::FileChangeType::CHANGED,
-                                    PathChange::AddedOrUpdated => lsp::FileChangeType::CHANGED,
-                                };
-                                Some(lsp::FileEvent {
-                                    uri: lsp::Url::from_file_path(abs_path.join(path)).unwrap(),
-                                    typ,
-                                })
+            {
+                let params = lsp::DidChangeWatchedFilesParams {
+                    changes: changes
+                        .iter()
+                        .filter_map(|(path, _, change)| {
+                            if !watched_paths.is_match(path) {
+                                return None;
+                            }
+                            let typ = match change {
+                                PathChange::Loaded => return None,
+                                PathChange::Added => lsp::FileChangeType::CREATED,
+                                PathChange::Removed => lsp::FileChangeType::DELETED,
+                                PathChange::Updated => lsp::FileChangeType::CHANGED,
+                                PathChange::AddedOrUpdated => lsp::FileChangeType::CHANGED,
+                            };
+                            Some(lsp::FileEvent {
+                                uri: lsp::Url::from_file_path(abs_path.join(path)).unwrap(),
+                                typ,
                             })
-                            .collect(),
-                    };
-                    if !params.changes.is_empty() {
-                        server
-                            .notify::<lsp::notification::DidChangeWatchedFiles>(&params)
-                            .ok();
-                    }
+                        })
+                        .collect(),
+                };
+                if !params.changes.is_empty() {
+                    server
+                        .notify::<lsp::notification::DidChangeWatchedFiles>(&params)
+                        .ok();
                 }
             }
         }
+        for (path, _, _) in changes {
+            if let Some(file_name) = path.file_name().and_then(|file_name| file_name.to_str())
+                && local.watched_manifest_filenames.contains(file_name)
+            {
+                self.request_workspace_config_refresh();
+                break;
+            }
+        }
     }
 
     pub fn wait_for_remote_buffer(
@@ -11359,6 +11503,7 @@ impl LspStore {
     }
 
     fn cleanup_lsp_data(&mut self, for_server: LanguageServerId) {
+        self.lsp_server_capabilities.remove(&for_server);
         for buffer_colors in self.lsp_document_colors.values_mut() {
             buffer_colors.colors.remove(&for_server);
             buffer_colors.cache_version += 1;
@@ -11447,69 +11592,593 @@ impl LspStore {
     ) {
         let workspace_diagnostics =
             GetDocumentDiagnostics::deserialize_workspace_diagnostics_report(report, server_id);
-        for workspace_diagnostics in workspace_diagnostics {
-            let LspPullDiagnostics::Response {
-                server_id,
-                uri,
-                diagnostics,
-            } = workspace_diagnostics.diagnostics
-            else {
-                continue;
-            };
-
-            let adapter = self.language_server_adapter_for_id(server_id);
-            let disk_based_sources = adapter
-                .as_ref()
-                .map(|adapter| adapter.disk_based_diagnostic_sources.as_slice())
-                .unwrap_or(&[]);
-
-            match diagnostics {
-                PulledDiagnostics::Unchanged { result_id } => {
-                    self.merge_diagnostics(
+        let mut unchanged_buffers = HashSet::default();
+        let mut changed_buffers = HashSet::default();
+        let workspace_diagnostics_updates = workspace_diagnostics
+            .into_iter()
+            .filter_map(
+                |workspace_diagnostics| match workspace_diagnostics.diagnostics {
+                    LspPullDiagnostics::Response {
                         server_id,
-                        lsp::PublishDiagnosticsParams {
-                            uri: uri.clone(),
-                            diagnostics: Vec::new(),
-                            version: None,
-                        },
-                        Some(result_id),
-                        DiagnosticSourceKind::Pulled,
-                        disk_based_sources,
-                        |_, _, _| true,
-                        cx,
-                    )
-                    .log_err();
-                }
-                PulledDiagnostics::Changed {
-                    diagnostics,
-                    result_id,
-                } => {
-                    self.merge_diagnostics(
-                        server_id,
-                        lsp::PublishDiagnosticsParams {
-                            uri: uri.clone(),
+                        uri,
+                        diagnostics,
+                    } => Some((server_id, uri, diagnostics, workspace_diagnostics.version)),
+                    LspPullDiagnostics::Default => None,
+                },
+            )
+            .fold(
+                HashMap::default(),
+                |mut acc, (server_id, uri, diagnostics, version)| {
+                    let (result_id, diagnostics) = match diagnostics {
+                        PulledDiagnostics::Unchanged { result_id } => {
+                            unchanged_buffers.insert(uri.clone());
+                            (Some(result_id), Vec::new())
+                        }
+                        PulledDiagnostics::Changed {
+                            result_id,
                             diagnostics,
-                            version: workspace_diagnostics.version,
-                        },
-                        result_id,
-                        DiagnosticSourceKind::Pulled,
-                        disk_based_sources,
-                        |buffer, old_diagnostic, cx| match old_diagnostic.source_kind {
-                            DiagnosticSourceKind::Pulled => {
-                                let buffer_url = File::from_dyn(buffer.file())
-                                    .map(|f| f.abs_path(cx))
-                                    .and_then(|abs_path| file_path_to_lsp_url(&abs_path).ok());
-                                buffer_url.is_none_or(|buffer_url| buffer_url != uri)
-                            }
-                            DiagnosticSourceKind::Other | DiagnosticSourceKind::Pushed => true,
-                        },
-                        cx,
-                    )
-                    .log_err();
-                }
-            }
+                        } => {
+                            changed_buffers.insert(uri.clone());
+                            (result_id, diagnostics)
+                        }
+                    };
+                    let disk_based_sources = Cow::Owned(
+                        self.language_server_adapter_for_id(server_id)
+                            .as_ref()
+                            .map(|adapter| adapter.disk_based_diagnostic_sources.as_slice())
+                            .unwrap_or(&[])
+                            .to_vec(),
+                    );
+                    acc.entry(server_id)
+                        .or_insert_with(Vec::new)
+                        .push(DocumentDiagnosticsUpdate {
+                            server_id,
+                            diagnostics: lsp::PublishDiagnosticsParams {
+                                uri,
+                                diagnostics,
+                                version,
+                            },
+                            result_id,
+                            disk_based_sources,
+                        });
+                    acc
+                },
+            );
+
+        for diagnostic_updates in workspace_diagnostics_updates.into_values() {
+            self.merge_lsp_diagnostics(
+                DiagnosticSourceKind::Pulled,
+                diagnostic_updates,
+                |buffer, old_diagnostic, cx| {
+                    File::from_dyn(buffer.file())
+                        .and_then(|file| {
+                            let abs_path = file.as_local()?.abs_path(cx);
+                            lsp::Url::from_file_path(abs_path).ok()
+                        })
+                        .is_none_or(|buffer_uri| {
+                            unchanged_buffers.contains(&buffer_uri)
+                                || match old_diagnostic.source_kind {
+                                    DiagnosticSourceKind::Pulled => {
+                                        !changed_buffers.contains(&buffer_uri)
+                                    }
+                                    DiagnosticSourceKind::Other | DiagnosticSourceKind::Pushed => {
+                                        true
+                                    }
+                                }
+                        })
+                },
+                cx,
+            )
+            .log_err();
         }
     }
+
+    fn register_server_capabilities(
+        &mut self,
+        server_id: LanguageServerId,
+        params: lsp::RegistrationParams,
+        cx: &mut Context<Self>,
+    ) -> anyhow::Result<()> {
+        let server = self
+            .language_server_for_id(server_id)
+            .with_context(|| format!("no server {server_id} found"))?;
+        for reg in params.registrations {
+            match reg.method.as_str() {
+                "workspace/didChangeWatchedFiles" => {
+                    if let Some(options) = reg.register_options {
+                        let notify = if let Some(local_lsp_store) = self.as_local_mut() {
+                            let caps = serde_json::from_value(options)?;
+                            local_lsp_store
+                                .on_lsp_did_change_watched_files(server_id, &reg.id, caps, cx);
+                            true
+                        } else {
+                            false
+                        };
+                        if notify {
+                            notify_server_capabilities_updated(&server, cx);
+                        }
+                    }
+                }
+                "workspace/didChangeConfiguration" => {
+                    // Ignore payload since we notify clients of setting changes unconditionally, relying on them pulling the latest settings.
+                }
+                "workspace/symbol" => {
+                    let options = parse_register_capabilities(reg)?;
+                    server.update_capabilities(|capabilities| {
+                        capabilities.workspace_symbol_provider = Some(options);
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "workspace/fileOperations" => {
+                    if let Some(options) = reg.register_options {
+                        let caps = serde_json::from_value(options)?;
+                        server.update_capabilities(|capabilities| {
+                            capabilities
+                                .workspace
+                                .get_or_insert_default()
+                                .file_operations = Some(caps);
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "workspace/executeCommand" => {
+                    if let Some(options) = reg.register_options {
+                        let options = serde_json::from_value(options)?;
+                        server.update_capabilities(|capabilities| {
+                            capabilities.execute_command_provider = Some(options);
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "textDocument/rangeFormatting" => {
+                    let options = parse_register_capabilities(reg)?;
+                    server.update_capabilities(|capabilities| {
+                        capabilities.document_range_formatting_provider = Some(options);
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/onTypeFormatting" => {
+                    if let Some(options) = reg
+                        .register_options
+                        .map(serde_json::from_value)
+                        .transpose()?
+                    {
+                        server.update_capabilities(|capabilities| {
+                            capabilities.document_on_type_formatting_provider = Some(options);
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "textDocument/formatting" => {
+                    let options = parse_register_capabilities(reg)?;
+                    server.update_capabilities(|capabilities| {
+                        capabilities.document_formatting_provider = Some(options);
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/rename" => {
+                    let options = parse_register_capabilities(reg)?;
+                    server.update_capabilities(|capabilities| {
+                        capabilities.rename_provider = Some(options);
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/inlayHint" => {
+                    let options = parse_register_capabilities(reg)?;
+                    server.update_capabilities(|capabilities| {
+                        capabilities.inlay_hint_provider = Some(options);
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/documentSymbol" => {
+                    let options = parse_register_capabilities(reg)?;
+                    server.update_capabilities(|capabilities| {
+                        capabilities.document_symbol_provider = Some(options);
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/codeAction" => {
+                    if let Some(options) = reg
+                        .register_options
+                        .map(serde_json::from_value)
+                        .transpose()?
+                    {
+                        server.update_capabilities(|capabilities| {
+                            capabilities.code_action_provider =
+                                Some(lsp::CodeActionProviderCapability::Options(options));
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "textDocument/definition" => {
+                    let options = parse_register_capabilities(reg)?;
+                    server.update_capabilities(|capabilities| {
+                        capabilities.definition_provider = Some(options);
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/completion" => {
+                    if let Some(caps) = reg
+                        .register_options
+                        .map(serde_json::from_value)
+                        .transpose()?
+                    {
+                        server.update_capabilities(|capabilities| {
+                            capabilities.completion_provider = Some(caps);
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "textDocument/hover" => {
+                    if let Some(caps) = reg
+                        .register_options
+                        .map(serde_json::from_value)
+                        .transpose()?
+                    {
+                        server.update_capabilities(|capabilities| {
+                            capabilities.hover_provider = Some(caps);
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "textDocument/signatureHelp" => {
+                    if let Some(caps) = reg
+                        .register_options
+                        .map(serde_json::from_value)
+                        .transpose()?
+                    {
+                        server.update_capabilities(|capabilities| {
+                            capabilities.signature_help_provider = Some(caps);
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "textDocument/didChange" => {
+                    if let Some(sync_kind) = reg
+                        .register_options
+                        .and_then(|opts| opts.get("syncKind").cloned())
+                        .map(serde_json::from_value::<lsp::TextDocumentSyncKind>)
+                        .transpose()?
+                    {
+                        server.update_capabilities(|capabilities| {
+                            let mut sync_options =
+                                Self::take_text_document_sync_options(capabilities);
+                            sync_options.change = Some(sync_kind);
+                            capabilities.text_document_sync =
+                                Some(lsp::TextDocumentSyncCapability::Options(sync_options));
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "textDocument/didSave" => {
+                    if let Some(include_text) = reg
+                        .register_options
+                        .map(|opts| {
+                            let transpose = opts
+                                .get("includeText")
+                                .cloned()
+                                .map(serde_json::from_value::<Option<bool>>)
+                                .transpose();
+                            match transpose {
+                                Ok(value) => Ok(value.flatten()),
+                                Err(e) => Err(e),
+                            }
+                        })
+                        .transpose()?
+                    {
+                        server.update_capabilities(|capabilities| {
+                            let mut sync_options =
+                                Self::take_text_document_sync_options(capabilities);
+                            sync_options.save =
+                                Some(TextDocumentSyncSaveOptions::SaveOptions(lsp::SaveOptions {
+                                    include_text,
+                                }));
+                            capabilities.text_document_sync =
+                                Some(lsp::TextDocumentSyncCapability::Options(sync_options));
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "textDocument/codeLens" => {
+                    if let Some(caps) = reg
+                        .register_options
+                        .map(serde_json::from_value)
+                        .transpose()?
+                    {
+                        server.update_capabilities(|capabilities| {
+                            capabilities.code_lens_provider = Some(caps);
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "textDocument/diagnostic" => {
+                    if let Some(caps) = reg
+                        .register_options
+                        .map(serde_json::from_value)
+                        .transpose()?
+                    {
+                        server.update_capabilities(|capabilities| {
+                            capabilities.diagnostic_provider = Some(caps);
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "textDocument/documentColor" => {
+                    if let Some(caps) = reg
+                        .register_options
+                        .map(serde_json::from_value)
+                        .transpose()?
+                    {
+                        server.update_capabilities(|capabilities| {
+                            capabilities.color_provider = Some(caps);
+                        });
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                _ => log::warn!("unhandled capability registration: {reg:?}"),
+            }
+        }
+
+        Ok(())
+    }
+
+    fn unregister_server_capabilities(
+        &mut self,
+        server_id: LanguageServerId,
+        params: lsp::UnregistrationParams,
+        cx: &mut Context<Self>,
+    ) -> anyhow::Result<()> {
+        let server = self
+            .language_server_for_id(server_id)
+            .with_context(|| format!("no server {server_id} found"))?;
+        for unreg in params.unregisterations.iter() {
+            match unreg.method.as_str() {
+                "workspace/didChangeWatchedFiles" => {
+                    let notify = if let Some(local_lsp_store) = self.as_local_mut() {
+                        local_lsp_store
+                            .on_lsp_unregister_did_change_watched_files(server_id, &unreg.id, cx);
+                        true
+                    } else {
+                        false
+                    };
+                    if notify {
+                        notify_server_capabilities_updated(&server, cx);
+                    }
+                }
+                "workspace/didChangeConfiguration" => {
+                    // Ignore payload since we notify clients of setting changes unconditionally, relying on them pulling the latest settings.
+                }
+                "workspace/symbol" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.workspace_symbol_provider = None
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "workspace/fileOperations" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities
+                            .workspace
+                            .get_or_insert_with(|| lsp::WorkspaceServerCapabilities {
+                                workspace_folders: None,
+                                file_operations: None,
+                            })
+                            .file_operations = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "workspace/executeCommand" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.execute_command_provider = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/rangeFormatting" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.document_range_formatting_provider = None
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/onTypeFormatting" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.document_on_type_formatting_provider = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/formatting" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.document_formatting_provider = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/rename" => {
+                    server.update_capabilities(|capabilities| capabilities.rename_provider = None);
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/codeAction" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.code_action_provider = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/definition" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.definition_provider = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/completion" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.completion_provider = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/hover" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.hover_provider = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/signatureHelp" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.signature_help_provider = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/didChange" => {
+                    server.update_capabilities(|capabilities| {
+                        let mut sync_options = Self::take_text_document_sync_options(capabilities);
+                        sync_options.change = None;
+                        capabilities.text_document_sync =
+                            Some(lsp::TextDocumentSyncCapability::Options(sync_options));
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/didSave" => {
+                    server.update_capabilities(|capabilities| {
+                        let mut sync_options = Self::take_text_document_sync_options(capabilities);
+                        sync_options.save = None;
+                        capabilities.text_document_sync =
+                            Some(lsp::TextDocumentSyncCapability::Options(sync_options));
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/codeLens" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.code_lens_provider = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/diagnostic" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.diagnostic_provider = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                "textDocument/documentColor" => {
+                    server.update_capabilities(|capabilities| {
+                        capabilities.color_provider = None;
+                    });
+                    notify_server_capabilities_updated(&server, cx);
+                }
+                _ => log::warn!("unhandled capability unregistration: {unreg:?}"),
+            }
+        }
+
+        Ok(())
+    }
+
+    async fn query_lsp_locally<T>(
+        lsp_store: Entity<Self>,
+        sender_id: proto::PeerId,
+        lsp_request_id: LspRequestId,
+        proto_request: T::ProtoRequest,
+        position: Option<Anchor>,
+        mut cx: AsyncApp,
+    ) -> Result<()>
+    where
+        T: LspCommand + Clone,
+        T::ProtoRequest: proto::LspRequestMessage,
+        <T::ProtoRequest as proto::RequestMessage>::Response:
+            Into<<T::ProtoRequest as proto::LspRequestMessage>::Response>,
+    {
+        let buffer_id = BufferId::new(proto_request.buffer_id())?;
+        let version = deserialize_version(proto_request.buffer_version());
+        let buffer = lsp_store.update(&mut cx, |this, cx| {
+            this.buffer_store.read(cx).get_existing(buffer_id)
+        })??;
+        buffer
+            .update(&mut cx, |buffer, _| {
+                buffer.wait_for_version(version.clone())
+            })?
+            .await?;
+        let buffer_version = buffer.read_with(&cx, |buffer, _| buffer.version())?;
+        let request =
+            T::from_proto(proto_request, lsp_store.clone(), buffer.clone(), cx.clone()).await?;
+        lsp_store.update(&mut cx, |lsp_store, cx| {
+            let request_task =
+                lsp_store.request_multiple_lsp_locally(&buffer, position, request, cx);
+            let existing_queries = lsp_store
+                .running_lsp_requests
+                .entry(TypeId::of::<T>())
+                .or_default();
+            if T::ProtoRequest::stop_previous_requests()
+                || buffer_version.changed_since(&existing_queries.0)
+            {
+                existing_queries.1.clear();
+            }
+            existing_queries.1.insert(
+                lsp_request_id,
+                cx.spawn(async move |lsp_store, cx| {
+                    let response = request_task.await;
+                    lsp_store
+                        .update(cx, |lsp_store, cx| {
+                            if let Some((client, project_id)) = lsp_store.downstream_client.clone()
+                            {
+                                let response = response
+                                    .into_iter()
+                                    .map(|(server_id, response)| {
+                                        (
+                                            server_id.to_proto(),
+                                            T::response_to_proto(
+                                                response,
+                                                lsp_store,
+                                                sender_id,
+                                                &buffer_version,
+                                                cx,
+                                            )
+                                            .into(),
+                                        )
+                                    })
+                                    .collect::<HashMap<_, _>>();
+                                match client.send_lsp_response::<T::ProtoRequest>(
+                                    project_id,
+                                    lsp_request_id,
+                                    response,
+                                ) {
+                                    Ok(()) => {}
+                                    Err(e) => {
+                                        log::error!("Failed to send LSP response: {e:#}",)
+                                    }
+                                }
+                            }
+                        })
+                        .ok();
+                }),
+            );
+        })?;
+        Ok(())
+    }
+
+    fn take_text_document_sync_options(
+        capabilities: &mut lsp::ServerCapabilities,
+    ) -> lsp::TextDocumentSyncOptions {
+        match capabilities.text_document_sync.take() {
+            Some(lsp::TextDocumentSyncCapability::Options(sync_options)) => sync_options,
+            Some(lsp::TextDocumentSyncCapability::Kind(sync_kind)) => {
+                let mut sync_options = lsp::TextDocumentSyncOptions::default();
+                sync_options.change = Some(sync_kind);
+                sync_options
+            }
+            None => lsp::TextDocumentSyncOptions::default(),
+        }
+    }
+
+    #[cfg(any(test, feature = "test-support"))]
+    pub fn forget_code_lens_task(&mut self, buffer_id: BufferId) -> Option<CodeLensTask> {
+        let data = self.lsp_code_lens.get_mut(&buffer_id)?;
+        Some(data.update.take()?.1)
+    }
+}
+
+// Registration with registerOptions as null, should fallback to true.
+// https://github.com/microsoft/vscode-languageserver-node/blob/d90a87f9557a0df9142cfb33e251cfa6fe27d970/client/src/common/client.ts#L2133
+fn parse_register_capabilities<T: serde::de::DeserializeOwned>(
+    reg: lsp::Registration,
+) -> Result<OneOf<bool, T>> {
+    Ok(match reg.register_options {
+        Some(options) => OneOf::Right(serde_json::from_value::<T>(options)?),
+        None => OneOf::Left(true),
+    })
 }
 
 fn subscribe_to_binary_statuses(
@@ -11744,11 +12413,10 @@ async fn populate_labels_for_completions(
     let lsp_completions = new_completions
         .iter()
         .filter_map(|new_completion| {
-            if let Some(lsp_completion) = new_completion.source.lsp_completion(true) {
-                Some(lsp_completion.into_owned())
-            } else {
-                None
-            }
+            new_completion
+                .source
+                .lsp_completion(true)
+                .map(|lsp_completion| lsp_completion.into_owned())
         })
         .collect::<Vec<_>>();
 
@@ -11768,11 +12436,7 @@ async fn populate_labels_for_completions(
     for completion in new_completions {
         match completion.source.lsp_completion(true) {
             Some(lsp_completion) => {
-                let documentation = if let Some(docs) = lsp_completion.documentation.clone() {
-                    Some(docs.into())
-                } else {
-                    None
-                };
+                let documentation = lsp_completion.documentation.clone().map(|docs| docs.into());
 
                 let mut label = labels.next().flatten().unwrap_or_else(|| {
                     CodeLabel::fallback_for_completion(&lsp_completion, language.as_deref())
@@ -11868,7 +12532,7 @@ impl TryFrom<&FileOperationFilter> for RenameActionPredicate {
                     ops.pattern
                         .options
                         .as_ref()
-                        .map_or(false, |ops| ops.ignore_case.unwrap_or(false)),
+                        .is_some_and(|ops| ops.ignore_case.unwrap_or(false)),
                 )
                 .build()?
                 .compile_matcher(),
@@ -11883,7 +12547,7 @@ struct RenameActionPredicate {
 impl RenameActionPredicate {
     // Returns true if language server should be notified
     fn eval(&self, path: &str, is_dir: bool) -> bool {
-        self.kind.as_ref().map_or(true, |kind| {
+        self.kind.as_ref().is_none_or(|kind| {
             let expected_kind = if is_dir {
                 FileOperationPatternKind::Folder
             } else {
@@ -12160,7 +12824,7 @@ impl DiagnosticSummary {
     }
 
     pub fn to_proto(
-        &self,
+        self,
         language_server_id: LanguageServerId,
         path: &Path,
     ) -> proto::DiagnosticSummary {
@@ -12277,7 +12941,7 @@ impl LspAdapter for SshLspAdapter {
     async fn check_if_user_installed(
         &self,
         _: &dyn LspAdapterDelegate,
-        _: Arc<dyn LanguageToolchainStore>,
+        _: Option<Toolchain>,
         _: &AsyncApp,
     ) -> Option<LanguageServerBinary> {
         Some(self.binary.clone())
@@ -12600,24 +13264,18 @@ async fn populate_labels_for_symbols(
 
 fn include_text(server: &lsp::LanguageServer) -> Option<bool> {
     match server.capabilities().text_document_sync.as_ref()? {
-        lsp::TextDocumentSyncCapability::Kind(kind) => match *kind {
-            lsp::TextDocumentSyncKind::NONE => None,
-            lsp::TextDocumentSyncKind::FULL => Some(true),
-            lsp::TextDocumentSyncKind::INCREMENTAL => Some(false),
-            _ => None,
-        },
-        lsp::TextDocumentSyncCapability::Options(options) => match options.save.as_ref()? {
-            lsp::TextDocumentSyncSaveOptions::Supported(supported) => {
-                if *supported {
-                    Some(true)
-                } else {
-                    None
-                }
-            }
+        lsp::TextDocumentSyncCapability::Options(opts) => match opts.save.as_ref()? {
+            // Server wants didSave but didn't specify includeText.
+            lsp::TextDocumentSyncSaveOptions::Supported(true) => Some(false),
+            // Server doesn't want didSave at all.
+            lsp::TextDocumentSyncSaveOptions::Supported(false) => None,
+            // Server provided SaveOptions.
             lsp::TextDocumentSyncSaveOptions::SaveOptions(save_options) => {
                 Some(save_options.include_text.unwrap_or(false))
             }
         },
+        // We do not have any save info. Kind affects didChange only.
+        lsp::TextDocumentSyncCapability::Kind(_) => None,
     }
 }
 
@@ -12634,10 +13292,10 @@ fn ensure_uniform_list_compatible_label(label: &mut CodeLabel) {
     let mut offset_map = vec![0; label.text.len() + 1];
     let mut last_char_was_space = false;
     let mut new_idx = 0;
-    let mut chars = label.text.char_indices().fuse();
+    let chars = label.text.char_indices().fuse();
     let mut newlines_removed = false;
 
-    while let Some((idx, c)) = chars.next() {
+    for (idx, c) in chars {
         offset_map[idx] = new_idx;
 
         match c {
diff --git a/crates/project/src/lsp_store/clangd_ext.rs b/crates/project/src/lsp_store/clangd_ext.rs
index 6a09bb99b4..b02f68dd4d 100644
--- a/crates/project/src/lsp_store/clangd_ext.rs
+++ b/crates/project/src/lsp_store/clangd_ext.rs
@@ -1,14 +1,14 @@
-use std::sync::Arc;
+use std::{borrow::Cow, sync::Arc};
 
 use ::serde::{Deserialize, Serialize};
 use gpui::WeakEntity;
 use language::{CachedLspAdapter, Diagnostic, DiagnosticSourceKind};
-use lsp::LanguageServer;
+use lsp::{LanguageServer, LanguageServerName};
 use util::ResultExt as _;
 
-use crate::LspStore;
+use crate::{LspStore, lsp_store::DocumentDiagnosticsUpdate};
 
-pub const CLANGD_SERVER_NAME: &str = "clangd";
+pub const CLANGD_SERVER_NAME: LanguageServerName = LanguageServerName::new_static("clangd");
 const INACTIVE_REGION_MESSAGE: &str = "inactive region";
 const INACTIVE_DIAGNOSTIC_SEVERITY: lsp::DiagnosticSeverity = lsp::DiagnosticSeverity::INFORMATION;
 
@@ -34,7 +34,7 @@ pub fn is_inactive_region(diag: &Diagnostic) -> bool {
         && diag
             .source
             .as_ref()
-            .is_some_and(|v| v == CLANGD_SERVER_NAME)
+            .is_some_and(|v| v == &CLANGD_SERVER_NAME.0)
 }
 
 pub fn is_lsp_inactive_region(diag: &lsp::Diagnostic) -> bool {
@@ -43,7 +43,7 @@ pub fn is_lsp_inactive_region(diag: &lsp::Diagnostic) -> bool {
         && diag
             .source
             .as_ref()
-            .is_some_and(|v| v == CLANGD_SERVER_NAME)
+            .is_some_and(|v| v == &CLANGD_SERVER_NAME.0)
 }
 
 pub fn register_notifications(
@@ -51,14 +51,14 @@ pub fn register_notifications(
     language_server: &LanguageServer,
     adapter: Arc<CachedLspAdapter>,
 ) {
-    if language_server.name().0 != CLANGD_SERVER_NAME {
+    if language_server.name() != CLANGD_SERVER_NAME {
         return;
     }
     let server_id = language_server.server_id();
 
     language_server
         .on_notification::<InactiveRegions, _>({
-            let adapter = adapter.clone();
+            let adapter = adapter;
             let this = lsp_store;
 
             move |params: InactiveRegionsParams, cx| {
@@ -81,12 +81,16 @@ pub fn register_notifications(
                         version: params.text_document.version,
                         diagnostics,
                     };
-                    this.merge_diagnostics(
-                        server_id,
-                        mapped_diagnostics,
-                        None,
+                    this.merge_lsp_diagnostics(
                         DiagnosticSourceKind::Pushed,
-                        &adapter.disk_based_diagnostic_sources,
+                        vec![DocumentDiagnosticsUpdate {
+                            server_id,
+                            diagnostics: mapped_diagnostics,
+                            result_id: None,
+                            disk_based_sources: Cow::Borrowed(
+                                &adapter.disk_based_diagnostic_sources,
+                            ),
+                        }],
                         |_, diag, _| !is_inactive_region(diag),
                         cx,
                     )
diff --git a/crates/project/src/lsp_store/lsp_ext_command.rs b/crates/project/src/lsp_store/lsp_ext_command.rs
index cb13fa5efc..1c969f8114 100644
--- a/crates/project/src/lsp_store/lsp_ext_command.rs
+++ b/crates/project/src/lsp_store/lsp_ext_command.rs
@@ -115,14 +115,14 @@ impl LspCommand for ExpandMacro {
         message: Self::ProtoRequest,
         _: Entity<LspStore>,
         buffer: Entity<Buffer>,
-        mut cx: AsyncApp,
+        cx: AsyncApp,
     ) -> anyhow::Result<Self> {
         let position = message
             .position
             .and_then(deserialize_anchor)
             .context("invalid position")?;
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
         })
     }
 
@@ -249,14 +249,14 @@ impl LspCommand for OpenDocs {
         message: Self::ProtoRequest,
         _: Entity<LspStore>,
         buffer: Entity<Buffer>,
-        mut cx: AsyncApp,
+        cx: AsyncApp,
     ) -> anyhow::Result<Self> {
         let position = message
             .position
             .and_then(deserialize_anchor)
             .context("invalid position")?;
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
         })
     }
 
@@ -462,14 +462,14 @@ impl LspCommand for GoToParentModule {
         request: Self::ProtoRequest,
         _: Entity<LspStore>,
         buffer: Entity<Buffer>,
-        mut cx: AsyncApp,
+        cx: AsyncApp,
     ) -> anyhow::Result<Self> {
         let position = request
             .position
             .and_then(deserialize_anchor)
             .context("bad request with bad position")?;
         Ok(Self {
-            position: buffer.read_with(&mut cx, |buffer, _| position.to_point_utf16(buffer))?,
+            position: buffer.read_with(&cx, |buffer, _| position.to_point_utf16(buffer))?,
         })
     }
 
diff --git a/crates/project/src/lsp_store/rust_analyzer_ext.rs b/crates/project/src/lsp_store/rust_analyzer_ext.rs
index d78715d385..54f63220b1 100644
--- a/crates/project/src/lsp_store/rust_analyzer_ext.rs
+++ b/crates/project/src/lsp_store/rust_analyzer_ext.rs
@@ -1,13 +1,13 @@
 use ::serde::{Deserialize, Serialize};
 use anyhow::Context as _;
-use gpui::{App, Entity, Task, WeakEntity};
-use language::ServerHealth;
-use lsp::LanguageServer;
+use gpui::{App, AsyncApp, Entity, Task, WeakEntity};
+use language::{Buffer, ServerHealth};
+use lsp::{LanguageServer, LanguageServerId, LanguageServerName};
 use rpc::proto;
 
 use crate::{LspStore, LspStoreEvent, Project, ProjectPath, lsp_store};
 
-pub const RUST_ANALYZER_NAME: &str = "rust-analyzer";
+pub const RUST_ANALYZER_NAME: LanguageServerName = LanguageServerName::new_static("rust-analyzer");
 pub const CARGO_DIAGNOSTICS_SOURCE_NAME: &str = "rustc";
 
 /// Experimental: Informs the end user about the state of the server
@@ -34,7 +34,6 @@ pub fn register_notifications(lsp_store: WeakEntity<LspStore>, language_server:
 
     language_server
         .on_notification::<ServerStatus, _>({
-            let name = name.clone();
             move |params, cx| {
                 let message = params.message;
                 let log_message = message.as_ref().map(|message| {
@@ -84,35 +83,32 @@ pub fn register_notifications(lsp_store: WeakEntity<LspStore>, language_server:
 
 pub fn cancel_flycheck(
     project: Entity<Project>,
-    buffer_path: ProjectPath,
+    buffer_path: Option<ProjectPath>,
     cx: &mut App,
 ) -> Task<anyhow::Result<()>> {
     let upstream_client = project.read(cx).lsp_store().read(cx).upstream_client();
     let lsp_store = project.read(cx).lsp_store();
-    let buffer = project.update(cx, |project, cx| {
-        project.buffer_store().update(cx, |buffer_store, cx| {
-            buffer_store.open_buffer(buffer_path, cx)
+    let buffer = buffer_path.map(|buffer_path| {
+        project.update(cx, |project, cx| {
+            project.buffer_store().update(cx, |buffer_store, cx| {
+                buffer_store.open_buffer(buffer_path, cx)
+            })
         })
     });
 
     cx.spawn(async move |cx| {
-        let buffer = buffer.await?;
-        let Some(rust_analyzer_server) = project
-            .update(cx, |project, cx| {
-                buffer.update(cx, |buffer, cx| {
-                    project.language_server_id_for_name(buffer, RUST_ANALYZER_NAME, cx)
-                })
-            })?
-            .await
+        let buffer = match buffer {
+            Some(buffer) => Some(buffer.await?),
+            None => None,
+        };
+        let Some(rust_analyzer_server) = find_rust_analyzer_server(&project, buffer.as_ref(), cx)
         else {
             return Ok(());
         };
-        let buffer_id = buffer.read_with(cx, |buffer, _| buffer.remote_id().to_proto())?;
 
         if let Some((client, project_id)) = upstream_client {
             let request = proto::LspExtCancelFlycheck {
                 project_id,
-                buffer_id,
                 language_server_id: rust_analyzer_server.to_proto(),
             };
             client
@@ -135,32 +131,33 @@ pub fn cancel_flycheck(
 
 pub fn run_flycheck(
     project: Entity<Project>,
-    buffer_path: ProjectPath,
+    buffer_path: Option<ProjectPath>,
     cx: &mut App,
 ) -> Task<anyhow::Result<()>> {
     let upstream_client = project.read(cx).lsp_store().read(cx).upstream_client();
     let lsp_store = project.read(cx).lsp_store();
-    let buffer = project.update(cx, |project, cx| {
-        project.buffer_store().update(cx, |buffer_store, cx| {
-            buffer_store.open_buffer(buffer_path, cx)
+    let buffer = buffer_path.map(|buffer_path| {
+        project.update(cx, |project, cx| {
+            project.buffer_store().update(cx, |buffer_store, cx| {
+                buffer_store.open_buffer(buffer_path, cx)
+            })
         })
     });
 
     cx.spawn(async move |cx| {
-        let buffer = buffer.await?;
-        let Some(rust_analyzer_server) = project
-            .update(cx, |project, cx| {
-                buffer.update(cx, |buffer, cx| {
-                    project.language_server_id_for_name(buffer, RUST_ANALYZER_NAME, cx)
-                })
-            })?
-            .await
+        let buffer = match buffer {
+            Some(buffer) => Some(buffer.await?),
+            None => None,
+        };
+        let Some(rust_analyzer_server) = find_rust_analyzer_server(&project, buffer.as_ref(), cx)
         else {
             return Ok(());
         };
-        let buffer_id = buffer.read_with(cx, |buffer, _| buffer.remote_id().to_proto())?;
 
         if let Some((client, project_id)) = upstream_client {
+            let buffer_id = buffer
+                .map(|buffer| buffer.read_with(cx, |buffer, _| buffer.remote_id().to_proto()))
+                .transpose()?;
             let request = proto::LspExtRunFlycheck {
                 project_id,
                 buffer_id,
@@ -191,35 +188,32 @@ pub fn run_flycheck(
 
 pub fn clear_flycheck(
     project: Entity<Project>,
-    buffer_path: ProjectPath,
+    buffer_path: Option<ProjectPath>,
     cx: &mut App,
 ) -> Task<anyhow::Result<()>> {
     let upstream_client = project.read(cx).lsp_store().read(cx).upstream_client();
     let lsp_store = project.read(cx).lsp_store();
-    let buffer = project.update(cx, |project, cx| {
-        project.buffer_store().update(cx, |buffer_store, cx| {
-            buffer_store.open_buffer(buffer_path, cx)
+    let buffer = buffer_path.map(|buffer_path| {
+        project.update(cx, |project, cx| {
+            project.buffer_store().update(cx, |buffer_store, cx| {
+                buffer_store.open_buffer(buffer_path, cx)
+            })
         })
     });
 
     cx.spawn(async move |cx| {
-        let buffer = buffer.await?;
-        let Some(rust_analyzer_server) = project
-            .update(cx, |project, cx| {
-                buffer.update(cx, |buffer, cx| {
-                    project.language_server_id_for_name(buffer, RUST_ANALYZER_NAME, cx)
-                })
-            })?
-            .await
+        let buffer = match buffer {
+            Some(buffer) => Some(buffer.await?),
+            None => None,
+        };
+        let Some(rust_analyzer_server) = find_rust_analyzer_server(&project, buffer.as_ref(), cx)
         else {
             return Ok(());
         };
-        let buffer_id = buffer.read_with(cx, |buffer, _| buffer.remote_id().to_proto())?;
 
         if let Some((client, project_id)) = upstream_client {
             let request = proto::LspExtClearFlycheck {
                 project_id,
-                buffer_id,
                 language_server_id: rust_analyzer_server.to_proto(),
             };
             client
@@ -239,3 +233,40 @@ pub fn clear_flycheck(
         anyhow::Ok(())
     })
 }
+
+fn find_rust_analyzer_server(
+    project: &Entity<Project>,
+    buffer: Option<&Entity<Buffer>>,
+    cx: &mut AsyncApp,
+) -> Option<LanguageServerId> {
+    project
+        .read_with(cx, |project, cx| {
+            buffer
+                .and_then(|buffer| {
+                    project.language_server_id_for_name(buffer.read(cx), &RUST_ANALYZER_NAME, cx)
+                })
+                // If no rust-analyzer found for the current buffer (e.g. `settings.json`), fall back to the project lookup
+                // and use project's rust-analyzer if it's the only one.
+                .or_else(|| {
+                    let rust_analyzer_servers = project
+                        .lsp_store()
+                        .read(cx)
+                        .language_server_statuses
+                        .iter()
+                        .filter_map(|(server_id, server_status)| {
+                            if server_status.name == RUST_ANALYZER_NAME {
+                                Some(*server_id)
+                            } else {
+                                None
+                            }
+                        })
+                        .collect::<Vec<_>>();
+                    if rust_analyzer_servers.len() == 1 {
+                        rust_analyzer_servers.first().copied()
+                    } else {
+                        None
+                    }
+                })
+        })
+        .ok()?
+}
diff --git a/crates/project/src/manifest_tree.rs b/crates/project/src/manifest_tree.rs
index 7266acb5b4..5a3c7bd40f 100644
--- a/crates/project/src/manifest_tree.rs
+++ b/crates/project/src/manifest_tree.rs
@@ -7,18 +7,12 @@ mod manifest_store;
 mod path_trie;
 mod server_tree;
 
-use std::{
-    borrow::Borrow,
-    collections::{BTreeMap, hash_map::Entry},
-    ops::ControlFlow,
-    path::Path,
-    sync::Arc,
-};
+use std::{borrow::Borrow, collections::hash_map::Entry, ops::ControlFlow, path::Path, sync::Arc};
 
 use collections::HashMap;
-use gpui::{App, AppContext as _, Context, Entity, EventEmitter, Subscription};
+use gpui::{App, AppContext as _, Context, Entity, Subscription};
 use language::{ManifestDelegate, ManifestName, ManifestQuery};
-pub use manifest_store::ManifestProviders;
+pub use manifest_store::ManifestProvidersStore;
 use path_trie::{LabelPresence, RootPathTrie, TriePath};
 use settings::{SettingsStore, WorktreeId};
 use worktree::{Event as WorktreeEvent, Snapshot, Worktree};
@@ -28,9 +22,7 @@ use crate::{
     worktree_store::{WorktreeStore, WorktreeStoreEvent},
 };
 
-pub(crate) use server_tree::{
-    AdapterQuery, LanguageServerTree, LanguageServerTreeNode, LaunchDisposition,
-};
+pub(crate) use server_tree::{LanguageServerTree, LanguageServerTreeNode, LaunchDisposition};
 
 struct WorktreeRoots {
     roots: RootPathTrie<ManifestName>,
@@ -51,12 +43,9 @@ impl WorktreeRoots {
                 match event {
                     WorktreeEvent::UpdatedEntries(changes) => {
                         for (path, _, kind) in changes.iter() {
-                            match kind {
-                                worktree::PathChange::Removed => {
-                                    let path = TriePath::from(path.as_ref());
-                                    this.roots.remove(&path);
-                                }
-                                _ => {}
+                            if kind == &worktree::PathChange::Removed {
+                                let path = TriePath::from(path.as_ref());
+                                this.roots.remove(&path);
                             }
                         }
                     }
@@ -81,14 +70,6 @@ pub struct ManifestTree {
     _subscriptions: [Subscription; 2],
 }
 
-#[derive(PartialEq)]
-pub(crate) enum ManifestTreeEvent {
-    WorktreeRemoved(WorktreeId),
-    Cleared,
-}
-
-impl EventEmitter<ManifestTreeEvent> for ManifestTree {}
-
 impl ManifestTree {
     pub fn new(worktree_store: Entity<WorktreeStore>, cx: &mut App) -> Entity<Self> {
         cx.new(|cx| Self {
@@ -96,35 +77,33 @@ impl ManifestTree {
             _subscriptions: [
                 cx.subscribe(&worktree_store, Self::on_worktree_store_event),
                 cx.observe_global::<SettingsStore>(|this, cx| {
-                    for (_, roots) in &mut this.root_points {
+                    for roots in this.root_points.values_mut() {
                         roots.update(cx, |worktree_roots, _| {
                             worktree_roots.roots = RootPathTrie::new();
                         })
                     }
-                    cx.emit(ManifestTreeEvent::Cleared);
                 }),
             ],
             worktree_store,
         })
     }
+
     pub(crate) fn root_for_path(
         &mut self,
-        ProjectPath { worktree_id, path }: ProjectPath,
-        manifests: &mut dyn Iterator<Item = ManifestName>,
-        delegate: Arc<dyn ManifestDelegate>,
+        ProjectPath { worktree_id, path }: &ProjectPath,
+        manifest_name: &ManifestName,
+        delegate: &Arc<dyn ManifestDelegate>,
         cx: &mut App,
-    ) -> BTreeMap<ManifestName, ProjectPath> {
-        debug_assert_eq!(delegate.worktree_id(), worktree_id);
-        let mut roots = BTreeMap::from_iter(
-            manifests.map(|manifest| (manifest, (None, LabelPresence::KnownAbsent))),
-        );
-        let worktree_roots = match self.root_points.entry(worktree_id) {
+    ) -> Option<ProjectPath> {
+        debug_assert_eq!(delegate.worktree_id(), *worktree_id);
+        let (mut marked_path, mut current_presence) = (None, LabelPresence::KnownAbsent);
+        let worktree_roots = match self.root_points.entry(*worktree_id) {
             Entry::Occupied(occupied_entry) => occupied_entry.get().clone(),
             Entry::Vacant(vacant_entry) => {
                 let Some(worktree) = self
                     .worktree_store
                     .read(cx)
-                    .worktree_for_id(worktree_id, cx)
+                    .worktree_for_id(*worktree_id, cx)
                 else {
                     return Default::default();
                 };
@@ -133,16 +112,16 @@ impl ManifestTree {
             }
         };
 
-        let key = TriePath::from(&*path);
+        let key = TriePath::from(&**path);
         worktree_roots.read_with(cx, |this, _| {
             this.roots.walk(&key, &mut |path, labels| {
                 for (label, presence) in labels {
-                    if let Some((marked_path, current_presence)) = roots.get_mut(label) {
-                        if *current_presence > *presence {
+                    if label == manifest_name {
+                        if current_presence > *presence {
                             debug_assert!(false, "RootPathTrie precondition violation; while walking the tree label presence is only allowed to increase");
                         }
-                        *marked_path = Some(ProjectPath {worktree_id, path: path.clone()});
-                        *current_presence = *presence;
+                        marked_path = Some(ProjectPath {worktree_id: *worktree_id, path: path.clone()});
+                        current_presence = *presence;
                     }
 
                 }
@@ -150,12 +129,9 @@ impl ManifestTree {
             });
         });
 
-        for (manifest_name, (root_path, presence)) in &mut roots {
-            if *presence == LabelPresence::Present {
-                continue;
-            }
-
-            let depth = root_path
+        if current_presence == LabelPresence::KnownAbsent {
+            // Some part of the path is unexplored.
+            let depth = marked_path
                 .as_ref()
                 .map(|root_path| {
                     path.strip_prefix(&root_path.path)
@@ -165,13 +141,10 @@ impl ManifestTree {
                 })
                 .unwrap_or_else(|| path.components().count() + 1);
 
-            if depth > 0 {
-                let Some(provider) = ManifestProviders::global(cx).get(manifest_name.borrow())
-                else {
-                    log::warn!("Manifest provider `{}` not found", manifest_name.as_ref());
-                    continue;
-                };
-
+            if depth > 0
+                && let Some(provider) =
+                    ManifestProvidersStore::global(cx).get(manifest_name.borrow())
+            {
                 let root = provider.search(ManifestQuery {
                     path: path.clone(),
                     depth,
@@ -182,9 +155,9 @@ impl ManifestTree {
                         let root = TriePath::from(&*known_root);
                         this.roots
                             .insert(&root, manifest_name.clone(), LabelPresence::Present);
-                        *presence = LabelPresence::Present;
-                        *root_path = Some(ProjectPath {
-                            worktree_id,
+                        current_presence = LabelPresence::Present;
+                        marked_path = Some(ProjectPath {
+                            worktree_id: *worktree_id,
                             path: known_root,
                         });
                     }),
@@ -195,27 +168,34 @@ impl ManifestTree {
                 }
             }
         }
-
-        roots
-            .into_iter()
-            .filter_map(|(k, (path, presence))| {
-                let path = path?;
-                presence.eq(&LabelPresence::Present).then(|| (k, path))
-            })
-            .collect()
+        marked_path.filter(|_| current_presence.eq(&LabelPresence::Present))
     }
+
+    pub(crate) fn root_for_path_or_worktree_root(
+        &mut self,
+        project_path: &ProjectPath,
+        manifest_name: Option<&ManifestName>,
+        delegate: &Arc<dyn ManifestDelegate>,
+        cx: &mut App,
+    ) -> ProjectPath {
+        let worktree_id = project_path.worktree_id;
+        // Backwards-compat: Fill in any adapters for which we did not detect the root as having the project root at the root of a worktree.
+        manifest_name
+            .and_then(|manifest_name| self.root_for_path(project_path, manifest_name, delegate, cx))
+            .unwrap_or_else(|| ProjectPath {
+                worktree_id,
+                path: Arc::from(Path::new("")),
+            })
+    }
+
     fn on_worktree_store_event(
         &mut self,
         _: Entity<WorktreeStore>,
         evt: &WorktreeStoreEvent,
-        cx: &mut Context<Self>,
+        _: &mut Context<Self>,
     ) {
-        match evt {
-            WorktreeStoreEvent::WorktreeRemoved(_, worktree_id) => {
-                self.root_points.remove(&worktree_id);
-                cx.emit(ManifestTreeEvent::WorktreeRemoved(*worktree_id));
-            }
-            _ => {}
+        if let WorktreeStoreEvent::WorktreeRemoved(_, worktree_id) = evt {
+            self.root_points.remove(worktree_id);
         }
     }
 }
@@ -223,6 +203,7 @@ impl ManifestTree {
 pub(crate) struct ManifestQueryDelegate {
     worktree: Snapshot,
 }
+
 impl ManifestQueryDelegate {
     pub fn new(worktree: Snapshot) -> Self {
         Self { worktree }
@@ -231,10 +212,8 @@ impl ManifestQueryDelegate {
 
 impl ManifestDelegate for ManifestQueryDelegate {
     fn exists(&self, path: &Path, is_dir: Option<bool>) -> bool {
-        self.worktree.entry_for_path(path).map_or(false, |entry| {
-            is_dir.map_or(true, |is_required_to_be_dir| {
-                is_required_to_be_dir == entry.is_dir()
-            })
+        self.worktree.entry_for_path(path).is_some_and(|entry| {
+            is_dir.is_none_or(|is_required_to_be_dir| is_required_to_be_dir == entry.is_dir())
         })
     }
 
diff --git a/crates/project/src/manifest_tree/manifest_store.rs b/crates/project/src/manifest_tree/manifest_store.rs
index 0462b25798..cf9f81aee4 100644
--- a/crates/project/src/manifest_tree/manifest_store.rs
+++ b/crates/project/src/manifest_tree/manifest_store.rs
@@ -1,4 +1,4 @@
-use collections::HashMap;
+use collections::{HashMap, HashSet};
 use gpui::{App, Global, SharedString};
 use parking_lot::RwLock;
 use std::{ops::Deref, sync::Arc};
@@ -11,13 +11,13 @@ struct ManifestProvidersState {
 }
 
 #[derive(Clone, Default)]
-pub struct ManifestProviders(Arc<RwLock<ManifestProvidersState>>);
+pub struct ManifestProvidersStore(Arc<RwLock<ManifestProvidersState>>);
 
 #[derive(Default)]
-struct GlobalManifestProvider(ManifestProviders);
+struct GlobalManifestProvider(ManifestProvidersStore);
 
 impl Deref for GlobalManifestProvider {
-    type Target = ManifestProviders;
+    type Target = ManifestProvidersStore;
 
     fn deref(&self) -> &Self::Target {
         &self.0
@@ -26,7 +26,7 @@ impl Deref for GlobalManifestProvider {
 
 impl Global for GlobalManifestProvider {}
 
-impl ManifestProviders {
+impl ManifestProvidersStore {
     /// Returns the global [`ManifestStore`].
     ///
     /// Inserts a default [`ManifestStore`] if one does not yet exist.
@@ -45,4 +45,7 @@ impl ManifestProviders {
     pub(super) fn get(&self, name: &SharedString) -> Option<Arc<dyn ManifestProvider>> {
         self.0.read().providers.get(name).cloned()
     }
+    pub(crate) fn manifest_file_names(&self) -> HashSet<ManifestName> {
+        self.0.read().providers.keys().cloned().collect()
+    }
 }
diff --git a/crates/project/src/manifest_tree/path_trie.rs b/crates/project/src/manifest_tree/path_trie.rs
index 1a0736765a..9cebfda25c 100644
--- a/crates/project/src/manifest_tree/path_trie.rs
+++ b/crates/project/src/manifest_tree/path_trie.rs
@@ -22,9 +22,9 @@ pub(super) struct RootPathTrie<Label> {
 /// Label presence is a marker that allows to optimize searches within [RootPathTrie]; node label can be:
 /// - Present; we know there's definitely a project root at this node.
 /// - Known Absent - we know there's definitely no project root at this node and none of it's ancestors are Present (descendants can be present though!).
-/// The distinction is there to optimize searching; when we encounter a node with unknown status, we don't need to look at it's full path
-/// to the root of the worktree; it's sufficient to explore only the path between last node with a KnownAbsent state and the directory of a path, since we run searches
-/// from the leaf up to the root of the worktree.
+///   The distinction is there to optimize searching; when we encounter a node with unknown status, we don't need to look at it's full path
+///   to the root of the worktree; it's sufficient to explore only the path between last node with a KnownAbsent state and the directory of a path, since we run searches
+///   from the leaf up to the root of the worktree.
 ///
 /// In practical terms, it means that by storing label presence we don't need to do a project discovery on a given folder more than once
 /// (unless the node is invalidated, which can happen when FS entries are renamed/removed).
@@ -84,11 +84,11 @@ impl<Label: Ord + Clone> RootPathTrie<Label> {
     ) {
         let mut current = self;
         for key in path.0.iter() {
-            if !current.labels.is_empty() {
-                if (callback)(&current.worktree_relative_path, &current.labels).is_break() {
-                    return;
-                };
-            }
+            if !current.labels.is_empty()
+                && (callback)(&current.worktree_relative_path, &current.labels).is_break()
+            {
+                return;
+            };
             current = match current.children.get(key) {
                 Some(child) => child,
                 None => return,
diff --git a/crates/project/src/manifest_tree/server_tree.rs b/crates/project/src/manifest_tree/server_tree.rs
index 81cb1c450c..48e2007d47 100644
--- a/crates/project/src/manifest_tree/server_tree.rs
+++ b/crates/project/src/manifest_tree/server_tree.rs
@@ -4,8 +4,7 @@
 //!
 //! ## RPC
 //! LSP Tree is transparent to RPC peers; when clients ask host to spawn a new language server, the host will perform LSP Tree lookup for provided path; it may decide
-//! to reuse existing language server. The client maintains it's own LSP Tree that is a subset of host LSP Tree. Done this way, the client does not need to
-//! ask about suitable language server for each path it interacts with; it can resolve most of the queries locally.
+//! to reuse existing language server.
 
 use std::{
     collections::{BTreeMap, BTreeSet},
@@ -14,20 +13,23 @@ use std::{
 };
 
 use collections::IndexMap;
-use gpui::{App, AppContext as _, Entity, Subscription};
+use gpui::{App, Entity};
 use language::{
-    CachedLspAdapter, LanguageName, LanguageRegistry, ManifestDelegate,
+    CachedLspAdapter, LanguageName, LanguageRegistry, ManifestDelegate, ManifestName, Toolchain,
     language_settings::AllLanguageSettings,
 };
 use lsp::LanguageServerName;
 use settings::{Settings, SettingsLocation, WorktreeId};
 use std::sync::OnceLock;
 
-use crate::{LanguageServerId, ProjectPath, project_settings::LspSettings};
+use crate::{
+    LanguageServerId, ProjectPath, project_settings::LspSettings,
+    toolchain_store::LocalToolchainStore,
+};
 
-use super::{ManifestTree, ManifestTreeEvent};
+use super::ManifestTree;
 
-#[derive(Debug, Default)]
+#[derive(Clone, Debug, Default)]
 pub(crate) struct ServersForWorktree {
     pub(crate) roots: BTreeMap<
         Arc<Path>,
@@ -39,7 +41,7 @@ pub struct LanguageServerTree {
     manifest_tree: Entity<ManifestTree>,
     pub(crate) instances: BTreeMap<WorktreeId, ServersForWorktree>,
     languages: Arc<LanguageRegistry>,
-    _subscriptions: Subscription,
+    toolchains: Entity<LocalToolchainStore>,
 }
 
 /// A node in language server tree represents either:
@@ -49,22 +51,15 @@ pub struct LanguageServerTree {
 pub struct LanguageServerTreeNode(Weak<InnerTreeNode>);
 
 /// Describes a request to launch a language server.
-#[derive(Debug)]
-pub(crate) struct LaunchDisposition<'a> {
-    pub(crate) server_name: &'a LanguageServerName,
+#[derive(Clone, Debug)]
+pub(crate) struct LaunchDisposition {
+    pub(crate) server_name: LanguageServerName,
+    /// Path to the root directory of a subproject.
     pub(crate) path: ProjectPath,
     pub(crate) settings: Arc<LspSettings>,
+    pub(crate) toolchain: Option<Toolchain>,
 }
 
-impl<'a> From<&'a InnerTreeNode> for LaunchDisposition<'a> {
-    fn from(value: &'a InnerTreeNode) -> Self {
-        LaunchDisposition {
-            server_name: &value.name,
-            path: value.path.clone(),
-            settings: value.settings.clone(),
-        }
-    }
-}
 impl LanguageServerTreeNode {
     /// Returns a language server ID for this node if there is one.
     /// Returns None if this node has not been initialized yet or it is no longer in the tree.
@@ -76,19 +71,17 @@ impl LanguageServerTreeNode {
     /// May return None if the node no longer belongs to the server tree it was created in.
     pub(crate) fn server_id_or_init(
         &self,
-        init: impl FnOnce(LaunchDisposition) -> LanguageServerId,
+        init: impl FnOnce(&Arc<LaunchDisposition>) -> LanguageServerId,
     ) -> Option<LanguageServerId> {
         let this = self.0.upgrade()?;
-        Some(
-            *this
-                .id
-                .get_or_init(|| init(LaunchDisposition::from(&*this))),
-        )
+        Some(*this.id.get_or_init(|| init(&this.disposition)))
     }
 
     /// Returns a language server name as the language server adapter would return.
     pub fn name(&self) -> Option<LanguageServerName> {
-        self.0.upgrade().map(|node| node.name.clone())
+        self.0
+            .upgrade()
+            .map(|node| node.disposition.server_name.clone())
     }
 }
 
@@ -101,160 +94,150 @@ impl From<Weak<InnerTreeNode>> for LanguageServerTreeNode {
 #[derive(Debug)]
 pub struct InnerTreeNode {
     id: OnceLock<LanguageServerId>,
-    name: LanguageServerName,
-    path: ProjectPath,
-    settings: Arc<LspSettings>,
+    disposition: Arc<LaunchDisposition>,
 }
 
 impl InnerTreeNode {
     fn new(
-        name: LanguageServerName,
+        server_name: LanguageServerName,
         path: ProjectPath,
-        settings: impl Into<Arc<LspSettings>>,
+        settings: LspSettings,
+        toolchain: Option<Toolchain>,
     ) -> Self {
         InnerTreeNode {
             id: Default::default(),
-            name,
-            path,
-            settings: settings.into(),
+            disposition: Arc::new(LaunchDisposition {
+                server_name,
+                path,
+                settings: settings.into(),
+                toolchain,
+            }),
         }
     }
 }
 
-/// Determines how the list of adapters to query should be constructed.
-pub(crate) enum AdapterQuery<'a> {
-    /// Search for roots of all adapters associated with a given language name.
-    /// Layman: Look for all project roots along the queried path that have any
-    /// language server associated with this language running.
-    Language(&'a LanguageName),
-    /// Search for roots of adapter with a given name.
-    /// Layman: Look for all project roots along the queried path that have this server running.
-    Adapter(&'a LanguageServerName),
-}
-
 impl LanguageServerTree {
     pub(crate) fn new(
         manifest_tree: Entity<ManifestTree>,
         languages: Arc<LanguageRegistry>,
-        cx: &mut App,
-    ) -> Entity<Self> {
-        cx.new(|cx| Self {
-            _subscriptions: cx.subscribe(&manifest_tree, |_: &mut Self, _, event, _| {
-                if event == &ManifestTreeEvent::Cleared {}
-            }),
+        toolchains: Entity<LocalToolchainStore>,
+    ) -> Self {
+        Self {
             manifest_tree,
             instances: Default::default(),
-
             languages,
-        })
+            toolchains,
+        }
+    }
+
+    /// Get all initialized language server IDs for a given path.
+    pub(crate) fn get<'a>(
+        &'a self,
+        path: ProjectPath,
+        language_name: LanguageName,
+        manifest_name: Option<&ManifestName>,
+        delegate: &Arc<dyn ManifestDelegate>,
+        cx: &mut App,
+    ) -> impl Iterator<Item = LanguageServerId> + 'a {
+        let manifest_location = self.manifest_location_for_path(&path, manifest_name, delegate, cx);
+        let adapters = self.adapters_for_language(&manifest_location, &language_name, cx);
+        self.get_with_adapters(manifest_location, adapters)
     }
 
     /// Get all language server root points for a given path and language; the language servers might already be initialized at a given path.
-    pub(crate) fn get<'a>(
+    pub(crate) fn walk<'a>(
         &'a mut self,
         path: ProjectPath,
-        query: AdapterQuery<'_>,
-        delegate: Arc<dyn ManifestDelegate>,
-        cx: &mut App,
+        language_name: LanguageName,
+        manifest_name: Option<&ManifestName>,
+        delegate: &Arc<dyn ManifestDelegate>,
+        cx: &'a mut App,
     ) -> impl Iterator<Item = LanguageServerTreeNode> + 'a {
-        let settings_location = SettingsLocation {
-            worktree_id: path.worktree_id,
-            path: &path.path,
-        };
-        let adapters = match query {
-            AdapterQuery::Language(language_name) => {
-                self.adapters_for_language(settings_location, language_name, cx)
-            }
-            AdapterQuery::Adapter(language_server_name) => {
-                IndexMap::from_iter(self.adapter_for_name(language_server_name).map(|adapter| {
-                    (
+        let manifest_location = self.manifest_location_for_path(&path, manifest_name, delegate, cx);
+        let adapters = self.adapters_for_language(&manifest_location, &language_name, cx);
+        self.init_with_adapters(manifest_location, language_name, adapters, cx)
+    }
+
+    fn init_with_adapters<'a>(
+        &'a mut self,
+        root_path: ProjectPath,
+        language_name: LanguageName,
+        adapters: IndexMap<LanguageServerName, (LspSettings, Arc<CachedLspAdapter>)>,
+        cx: &'a App,
+    ) -> impl Iterator<Item = LanguageServerTreeNode> + 'a {
+        adapters.into_iter().map(move |(_, (settings, adapter))| {
+            let root_path = root_path.clone();
+            let inner_node = self
+                .instances
+                .entry(root_path.worktree_id)
+                .or_default()
+                .roots
+                .entry(root_path.path.clone())
+                .or_default()
+                .entry(adapter.name());
+            let (node, languages) = inner_node.or_insert_with(|| {
+                let toolchain = self.toolchains.read(cx).active_toolchain(
+                    root_path.worktree_id,
+                    &root_path.path,
+                    language_name.clone(),
+                );
+
+                (
+                    Arc::new(InnerTreeNode::new(
                         adapter.name(),
-                        (LspSettings::default(), BTreeSet::new(), adapter),
-                    )
-                }))
-            }
-        };
-        self.get_with_adapters(path, adapters, delegate, cx)
+                        root_path.clone(),
+                        settings.clone(),
+                        toolchain,
+                    )),
+                    Default::default(),
+                )
+            });
+            languages.insert(language_name.clone());
+            Arc::downgrade(node).into()
+        })
     }
 
     fn get_with_adapters<'a>(
-        &'a mut self,
-        path: ProjectPath,
-        adapters: IndexMap<
-            LanguageServerName,
-            (LspSettings, BTreeSet<LanguageName>, Arc<CachedLspAdapter>),
-        >,
-        delegate: Arc<dyn ManifestDelegate>,
-        cx: &mut App,
-    ) -> impl Iterator<Item = LanguageServerTreeNode> + 'a {
-        let worktree_id = path.worktree_id;
-
-        let mut manifest_to_adapters = BTreeMap::default();
-        for (_, _, adapter) in adapters.values() {
-            if let Some(manifest_name) = adapter.manifest_name() {
-                manifest_to_adapters
-                    .entry(manifest_name)
-                    .or_insert_with(Vec::default)
-                    .push(adapter.clone());
-            }
-        }
-
-        let roots = self.manifest_tree.update(cx, |this, cx| {
-            this.root_for_path(
-                path,
-                &mut manifest_to_adapters.keys().cloned(),
-                delegate,
-                cx,
-            )
-        });
-        let root_path = std::cell::LazyCell::new(move || ProjectPath {
-            worktree_id,
-            path: Arc::from("".as_ref()),
-        });
-        adapters
-            .into_iter()
-            .map(move |(_, (settings, new_languages, adapter))| {
-                // Backwards-compat: Fill in any adapters for which we did not detect the root as having the project root at the root of a worktree.
-                let root_path = adapter
-                    .manifest_name()
-                    .and_then(|name| roots.get(&name))
-                    .cloned()
-                    .unwrap_or_else(|| root_path.clone());
-
-                let inner_node = self
-                    .instances
-                    .entry(root_path.worktree_id)
-                    .or_default()
-                    .roots
-                    .entry(root_path.path.clone())
-                    .or_default()
-                    .entry(adapter.name());
-                let (node, languages) = inner_node.or_insert_with(|| {
-                    (
-                        Arc::new(InnerTreeNode::new(
-                            adapter.name(),
-                            root_path.clone(),
-                            settings.clone(),
-                        )),
-                        Default::default(),
-                    )
-                });
-                languages.extend(new_languages.iter().cloned());
-                Arc::downgrade(&node).into()
-            })
+        &'a self,
+        root_path: ProjectPath,
+        adapters: IndexMap<LanguageServerName, (LspSettings, Arc<CachedLspAdapter>)>,
+    ) -> impl Iterator<Item = LanguageServerId> + 'a {
+        adapters.into_iter().filter_map(move |(_, (_, adapter))| {
+            let root_path = root_path.clone();
+            let inner_node = self
+                .instances
+                .get(&root_path.worktree_id)?
+                .roots
+                .get(&root_path.path)?
+                .get(&adapter.name())?;
+            inner_node.0.id.get().copied()
+        })
     }
 
-    fn adapter_for_name(&self, name: &LanguageServerName) -> Option<Arc<CachedLspAdapter>> {
-        self.languages.adapter_for_name(name)
+    fn manifest_location_for_path(
+        &self,
+        path: &ProjectPath,
+        manifest_name: Option<&ManifestName>,
+        delegate: &Arc<dyn ManifestDelegate>,
+        cx: &mut App,
+    ) -> ProjectPath {
+        // Find out what the root location of our subproject is.
+        // That's where we'll look for language settings (that include a set of language servers).
+        self.manifest_tree.update(cx, |this, cx| {
+            this.root_for_path_or_worktree_root(path, manifest_name, delegate, cx)
+        })
     }
 
     fn adapters_for_language(
         &self,
-        settings_location: SettingsLocation,
+        manifest_location: &ProjectPath,
         language_name: &LanguageName,
         cx: &App,
-    ) -> IndexMap<LanguageServerName, (LspSettings, BTreeSet<LanguageName>, Arc<CachedLspAdapter>)>
-    {
+    ) -> IndexMap<LanguageServerName, (LspSettings, Arc<CachedLspAdapter>)> {
+        let settings_location = SettingsLocation {
+            worktree_id: manifest_location.worktree_id,
+            path: &manifest_location.path,
+        };
         let settings = AllLanguageSettings::get(Some(settings_location), cx).language(
             Some(settings_location),
             Some(language_name),
@@ -263,7 +246,7 @@ impl LanguageServerTree {
         if !settings.enable_language_server {
             return Default::default();
         }
-        let available_lsp_adapters = self.languages.lsp_adapters(&language_name);
+        let available_lsp_adapters = self.languages.lsp_adapters(language_name);
         let available_language_servers = available_lsp_adapters
             .iter()
             .map(|lsp_adapter| lsp_adapter.name.clone())
@@ -295,14 +278,7 @@ impl LanguageServerTree {
                 )
                 .cloned()
                 .unwrap_or_default();
-                Some((
-                    adapter.name(),
-                    (
-                        adapter_settings,
-                        BTreeSet::from_iter([language_name.clone()]),
-                        adapter,
-                    ),
-                ))
+                Some((adapter.name(), (adapter_settings, adapter)))
             })
             .collect::<IndexMap<_, _>>();
         // After starting all the language servers, reorder them to reflect the desired order
@@ -312,28 +288,34 @@ impl LanguageServerTree {
         // (e.g., native vs extension) still end up in the right order at the end, rather than
         // it being based on which language server happened to be loaded in first.
         self.languages.reorder_language_servers(
-            &language_name,
+            language_name,
             adapters_with_settings
                 .values()
-                .map(|(_, _, adapter)| adapter.clone())
+                .map(|(_, adapter)| adapter.clone())
                 .collect(),
         );
 
         adapters_with_settings
     }
 
-    // Rebasing a tree:
-    // - Clears it out
-    // - Provides you with the indirect access to the old tree while you're reinitializing a new one (by querying it).
-    pub(crate) fn rebase(&mut self) -> ServerTreeRebase<'_> {
+    /// Server Tree is built up incrementally via queries for distinct paths of the worktree.
+    /// Results of these queries have to be invalidated when data used to build the tree changes.
+    ///
+    /// The environment of a server tree is a set of all user settings.
+    /// Rebasing a tree means invalidating it and building up a new one while reusing the old tree where applicable.
+    /// We want to reuse the old tree in order to preserve as many of the running language servers as possible.
+    /// E.g. if the user disables one of their language servers for Python, we don't want to shut down any language servers unaffected by this settings change.
+    ///
+    /// Thus, [`ServerTreeRebase`] mimics the interface of a [`ServerTree`], except that it tries to find a matching language server in the old tree before handing out an uninitialized node.
+    pub(crate) fn rebase(&mut self) -> ServerTreeRebase {
         ServerTreeRebase::new(self)
     }
 
     /// Remove nodes with a given ID from the tree.
     pub(crate) fn remove_nodes(&mut self, ids: &BTreeSet<LanguageServerId>) {
-        for (_, servers) in &mut self.instances {
-            for (_, nodes) in &mut servers.roots {
-                nodes.retain(|_, (node, _)| node.id.get().map_or(true, |id| !ids.contains(&id)));
+        for servers in self.instances.values_mut() {
+            for nodes in &mut servers.roots.values_mut() {
+                nodes.retain(|_, (node, _)| node.id.get().is_none_or(|id| !ids.contains(id)));
             }
         }
     }
@@ -354,16 +336,16 @@ impl LanguageServerTree {
             .roots
             .entry(Arc::from(Path::new("")))
             .or_default()
-            .entry(node.name.clone())
+            .entry(node.disposition.server_name.clone())
             .or_insert_with(|| (node, BTreeSet::new()))
             .1
             .insert(language_name);
     }
 }
 
-pub(crate) struct ServerTreeRebase<'a> {
+pub(crate) struct ServerTreeRebase {
     old_contents: BTreeMap<WorktreeId, ServersForWorktree>,
-    new_tree: &'a mut LanguageServerTree,
+    new_tree: LanguageServerTree,
     /// All server IDs seen in the old tree.
     all_server_ids: BTreeMap<LanguageServerId, LanguageServerName>,
     /// Server IDs we've preserved for a new iteration of the tree. `all_server_ids - rebased_server_ids` is the
@@ -371,9 +353,9 @@ pub(crate) struct ServerTreeRebase<'a> {
     rebased_server_ids: BTreeSet<LanguageServerId>,
 }
 
-impl<'tree> ServerTreeRebase<'tree> {
-    fn new(new_tree: &'tree mut LanguageServerTree) -> Self {
-        let old_contents = std::mem::take(&mut new_tree.instances);
+impl ServerTreeRebase {
+    fn new(old_tree: &LanguageServerTree) -> Self {
+        let old_contents = old_tree.instances.clone();
         let all_server_ids = old_contents
             .values()
             .flat_map(|nodes| {
@@ -384,69 +366,69 @@ impl<'tree> ServerTreeRebase<'tree> {
                             .id
                             .get()
                             .copied()
-                            .map(|id| (id, server.0.name.clone()))
+                            .map(|id| (id, server.0.disposition.server_name.clone()))
                     })
                 })
             })
             .collect();
+        let new_tree = LanguageServerTree::new(
+            old_tree.manifest_tree.clone(),
+            old_tree.languages.clone(),
+            old_tree.toolchains.clone(),
+        );
         Self {
             old_contents,
-            new_tree,
             all_server_ids,
+            new_tree,
             rebased_server_ids: BTreeSet::new(),
         }
     }
 
-    pub(crate) fn get<'a>(
+    pub(crate) fn walk<'a>(
         &'a mut self,
         path: ProjectPath,
-        query: AdapterQuery<'_>,
+        language_name: LanguageName,
+        manifest_name: Option<&ManifestName>,
         delegate: Arc<dyn ManifestDelegate>,
-        cx: &mut App,
+        cx: &'a mut App,
     ) -> impl Iterator<Item = LanguageServerTreeNode> + 'a {
-        let settings_location = SettingsLocation {
-            worktree_id: path.worktree_id,
-            path: &path.path,
-        };
-        let adapters = match query {
-            AdapterQuery::Language(language_name) => {
-                self.new_tree
-                    .adapters_for_language(settings_location, language_name, cx)
-            }
-            AdapterQuery::Adapter(language_server_name) => {
-                IndexMap::from_iter(self.new_tree.adapter_for_name(language_server_name).map(
-                    |adapter| {
-                        (
-                            adapter.name(),
-                            (LspSettings::default(), BTreeSet::new(), adapter),
-                        )
-                    },
-                ))
-            }
-        };
+        let manifest =
+            self.new_tree
+                .manifest_location_for_path(&path, manifest_name, &delegate, cx);
+        let adapters = self
+            .new_tree
+            .adapters_for_language(&manifest, &language_name, cx);
 
         self.new_tree
-            .get_with_adapters(path, adapters, delegate, cx)
+            .init_with_adapters(manifest, language_name, adapters, cx)
             .filter_map(|node| {
                 // Inspect result of the query and initialize it ourselves before
                 // handing it off to the caller.
-                let disposition = node.0.upgrade()?;
+                let live_node = node.0.upgrade()?;
 
-                if disposition.id.get().is_some() {
+                if live_node.id.get().is_some() {
                     return Some(node);
                 }
+
+                let disposition = &live_node.disposition;
                 let Some((existing_node, _)) = self
                     .old_contents
                     .get(&disposition.path.worktree_id)
                     .and_then(|worktree_nodes| worktree_nodes.roots.get(&disposition.path.path))
-                    .and_then(|roots| roots.get(&disposition.name))
-                    .filter(|(old_node, _)| disposition.settings == old_node.settings)
+                    .and_then(|roots| roots.get(&disposition.server_name))
+                    .filter(|(old_node, _)| {
+                        (&disposition.toolchain, &disposition.settings)
+                            == (
+                                &old_node.disposition.toolchain,
+                                &old_node.disposition.settings,
+                            )
+                    })
                 else {
                     return Some(node);
                 };
                 if let Some(existing_id) = existing_node.id.get() {
                     self.rebased_server_ids.insert(*existing_id);
-                    disposition.id.set(*existing_id).ok();
+                    live_node.id.set(*existing_id).ok();
                 }
 
                 Some(node)
@@ -454,11 +436,19 @@ impl<'tree> ServerTreeRebase<'tree> {
     }
 
     /// Returns IDs of servers that are no longer referenced (and can be shut down).
-    pub(crate) fn finish(self) -> BTreeMap<LanguageServerId, LanguageServerName> {
-        self.all_server_ids
-            .into_iter()
-            .filter(|(id, _)| !self.rebased_server_ids.contains(id))
-            .collect()
+    pub(crate) fn finish(
+        self,
+    ) -> (
+        LanguageServerTree,
+        BTreeMap<LanguageServerId, LanguageServerName>,
+    ) {
+        (
+            self.new_tree,
+            self.all_server_ids
+                .into_iter()
+                .filter(|(id, _)| !self.rebased_server_ids.contains(id))
+                .collect(),
+        )
     }
 
     pub(crate) fn server_tree(&mut self) -> &mut LanguageServerTree {
diff --git a/crates/project/src/prettier_store.rs b/crates/project/src/prettier_store.rs
index 29997545cd..3ae5dc24ae 100644
--- a/crates/project/src/prettier_store.rs
+++ b/crates/project/src/prettier_store.rs
@@ -590,8 +590,8 @@ impl PrettierStore {
                             new_plugins.clear();
                         }
                         let mut needs_install = should_write_prettier_server_file(fs.as_ref()).await;
-                        if let Some(previous_installation_task) = previous_installation_task {
-                            if let Err(e) = previous_installation_task.await {
+                        if let Some(previous_installation_task) = previous_installation_task
+                            && let Err(e) = previous_installation_task.await {
                                 log::error!("Failed to install default prettier: {e:#}");
                                 prettier_store.update(cx, |prettier_store, _| {
                                     if let PrettierInstallation::NotInstalled { attempts, not_installed_plugins, .. } = &mut prettier_store.default_prettier.prettier {
@@ -601,8 +601,7 @@ impl PrettierStore {
                                         needs_install = true;
                                     };
                                 })?;
-                            }
-                        };
+                            };
                         if installation_attempt > prettier::FAIL_THRESHOLD {
                             prettier_store.update(cx, |prettier_store, _| {
                                 if let PrettierInstallation::NotInstalled { installation_task, .. } = &mut prettier_store.default_prettier.prettier {
@@ -679,13 +678,13 @@ impl PrettierStore {
     ) {
         let mut prettier_plugins_by_worktree = HashMap::default();
         for (worktree, language_settings) in language_formatters_to_check {
-            if language_settings.prettier.allowed {
-                if let Some(plugins) = prettier_plugins_for_language(&language_settings) {
-                    prettier_plugins_by_worktree
-                        .entry(worktree)
-                        .or_insert_with(HashSet::default)
-                        .extend(plugins.iter().cloned());
-                }
+            if language_settings.prettier.allowed
+                && let Some(plugins) = prettier_plugins_for_language(&language_settings)
+            {
+                prettier_plugins_by_worktree
+                    .entry(worktree)
+                    .or_insert_with(HashSet::default)
+                    .extend(plugins.iter().cloned());
             }
         }
         for (worktree, prettier_plugins) in prettier_plugins_by_worktree {
diff --git a/crates/project/src/project.rs b/crates/project/src/project.rs
index 13587b43e7..9fd4eed641 100644
--- a/crates/project/src/project.rs
+++ b/crates/project/src/project.rs
@@ -73,11 +73,10 @@ use gpui::{
     App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
     Task, WeakEntity, Window,
 };
-use itertools::Itertools;
 use language::{
-    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, DiagnosticSourceKind, Language,
-    LanguageName, LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainList,
-    Transaction, Unclipped, language_settings::InlayHintKind, proto::split_operations,
+    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, Language, LanguageName,
+    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainList, Transaction,
+    Unclipped, language_settings::InlayHintKind, proto::split_operations,
 };
 use lsp::{
     CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
@@ -85,7 +84,7 @@ use lsp::{
 };
 use lsp_command::*;
 use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
-pub use manifest_tree::ManifestProviders;
+pub use manifest_tree::ManifestProvidersStore;
 use node_runtime::NodeRuntime;
 use parking_lot::Mutex;
 pub use prettier_store::PrettierStore;
@@ -97,7 +96,7 @@ use rpc::{
 };
 use search::{SearchInputKind, SearchQuery, SearchResult};
 use search_history::SearchHistory;
-use settings::{InvalidSettingsError, Settings, SettingsLocation, SettingsStore};
+use settings::{InvalidSettingsError, Settings, SettingsLocation, SettingsSources, SettingsStore};
 use smol::channel::Receiver;
 use snippet::Snippet;
 use snippet_provider::SnippetProvider;
@@ -113,7 +112,7 @@ use std::{
 
 use task_store::TaskStore;
 use terminals::Terminals;
-use text::{Anchor, BufferId, OffsetRangeExt, Point};
+use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 use toolchain_store::EmptyToolchainStore;
 use util::{
     ResultExt as _,
@@ -277,6 +276,13 @@ pub enum Event {
     LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
     LanguageServerRemoved(LanguageServerId),
     LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
+    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
+    // Zed's buffer-related data is updated accordingly.
+    LanguageServerBufferRegistered {
+        server_id: LanguageServerId,
+        buffer_id: BufferId,
+        buffer_abs_path: PathBuf,
+    },
     Toast {
         notification_id: SharedString,
         message: String,
@@ -299,7 +305,7 @@ pub enum Event {
         language_server_id: LanguageServerId,
     },
     DiagnosticsUpdated {
-        path: ProjectPath,
+        paths: Vec<ProjectPath>,
         language_server_id: LanguageServerId,
     },
     RemoteIdChanged(Option<u64>),
@@ -321,6 +327,7 @@ pub enum Event {
     RevealInProjectPanel(ProjectEntryId),
     SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
     ExpandedAllForEntry(WorktreeId, ProjectEntryId),
+    EntryRenamed(ProjectTransaction),
     AgentLocationChanged,
 }
 
@@ -483,67 +490,63 @@ impl CompletionSource {
             ..
         } = self
         {
-            if apply_defaults {
-                if let Some(lsp_defaults) = lsp_defaults {
-                    let mut completion_with_defaults = *lsp_completion.clone();
-                    let default_commit_characters = lsp_defaults.commit_characters.as_ref();
-                    let default_edit_range = lsp_defaults.edit_range.as_ref();
-                    let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
-                    let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
+            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
+                let mut completion_with_defaults = *lsp_completion.clone();
+                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
+                let default_edit_range = lsp_defaults.edit_range.as_ref();
+                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
+                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 
-                    if default_commit_characters.is_some()
-                        || default_edit_range.is_some()
-                        || default_insert_text_format.is_some()
-                        || default_insert_text_mode.is_some()
+                if default_commit_characters.is_some()
+                    || default_edit_range.is_some()
+                    || default_insert_text_format.is_some()
+                    || default_insert_text_mode.is_some()
+                {
+                    if completion_with_defaults.commit_characters.is_none()
+                        && default_commit_characters.is_some()
                     {
-                        if completion_with_defaults.commit_characters.is_none()
-                            && default_commit_characters.is_some()
-                        {
-                            completion_with_defaults.commit_characters =
-                                default_commit_characters.cloned()
-                        }
-                        if completion_with_defaults.text_edit.is_none() {
-                            match default_edit_range {
-                                Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
-                                    completion_with_defaults.text_edit =
-                                        Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
-                                            range: *range,
-                                            new_text: completion_with_defaults.label.clone(),
-                                        }))
-                                }
-                                Some(
-                                    lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
-                                        insert,
-                                        replace,
-                                    },
-                                ) => {
-                                    completion_with_defaults.text_edit =
-                                        Some(lsp::CompletionTextEdit::InsertAndReplace(
-                                            lsp::InsertReplaceEdit {
-                                                new_text: completion_with_defaults.label.clone(),
-                                                insert: *insert,
-                                                replace: *replace,
-                                            },
-                                        ))
-                                }
-                                None => {}
+                        completion_with_defaults.commit_characters =
+                            default_commit_characters.cloned()
+                    }
+                    if completion_with_defaults.text_edit.is_none() {
+                        match default_edit_range {
+                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
+                                completion_with_defaults.text_edit =
+                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
+                                        range: *range,
+                                        new_text: completion_with_defaults.label.clone(),
+                                    }))
                             }
-                        }
-                        if completion_with_defaults.insert_text_format.is_none()
-                            && default_insert_text_format.is_some()
-                        {
-                            completion_with_defaults.insert_text_format =
-                                default_insert_text_format.cloned()
-                        }
-                        if completion_with_defaults.insert_text_mode.is_none()
-                            && default_insert_text_mode.is_some()
-                        {
-                            completion_with_defaults.insert_text_mode =
-                                default_insert_text_mode.cloned()
+                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
+                                insert,
+                                replace,
+                            }) => {
+                                completion_with_defaults.text_edit =
+                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
+                                        lsp::InsertReplaceEdit {
+                                            new_text: completion_with_defaults.label.clone(),
+                                            insert: *insert,
+                                            replace: *replace,
+                                        },
+                                    ))
+                            }
+                            None => {}
                         }
                     }
-                    return Some(Cow::Owned(completion_with_defaults));
+                    if completion_with_defaults.insert_text_format.is_none()
+                        && default_insert_text_format.is_some()
+                    {
+                        completion_with_defaults.insert_text_format =
+                            default_insert_text_format.cloned()
+                    }
+                    if completion_with_defaults.insert_text_mode.is_none()
+                        && default_insert_text_mode.is_some()
+                    {
+                        completion_with_defaults.insert_text_mode =
+                            default_insert_text_mode.cloned()
+                    }
                 }
+                return Some(Cow::Owned(completion_with_defaults));
             }
             Some(Cow::Borrowed(lsp_completion))
         } else {
@@ -661,10 +664,10 @@ pub enum ResolveState {
 }
 
 impl InlayHint {
-    pub fn text(&self) -> String {
+    pub fn text(&self) -> Rope {
         match &self.label {
-            InlayHintLabel::String(s) => s.to_owned(),
-            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &part.value).join(""),
+            InlayHintLabel::String(s) => Rope::from(s),
+            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
         }
     }
 }
@@ -942,10 +945,43 @@ pub enum PulledDiagnostics {
     },
 }
 
+/// Whether to disable all AI features in Zed.
+///
+/// Default: false
+#[derive(Copy, Clone, Debug)]
+pub struct DisableAiSettings {
+    pub disable_ai: bool,
+}
+
+impl settings::Settings for DisableAiSettings {
+    const KEY: Option<&'static str> = Some("disable_ai");
+
+    type FileContent = Option<bool>;
+
+    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
+        // For security reasons, settings can only make AI restrictions MORE strict, not less.
+        // (For example, if someone is working on a project that contractually
+        // requires no AI use, that should override the user's setting which
+        // permits AI use.)
+        // This also prevents an attacker from using project or server settings to enable AI when it should be disabled.
+        let disable_ai = sources
+            .project
+            .iter()
+            .chain(sources.user.iter())
+            .chain(sources.server.iter())
+            .any(|disabled| **disabled == Some(true));
+
+        Ok(Self { disable_ai })
+    }
+
+    fn import_from_vscode(_vscode: &settings::VsCodeSettings, _current: &mut Self::FileContent) {}
+}
+
 impl Project {
     pub fn init_settings(cx: &mut App) {
         WorktreeSettings::register(cx);
         ProjectSettings::register(cx);
+        DisableAiSettings::register(cx);
     }
 
     pub fn init(client: &Arc<Client>, cx: &mut App) {
@@ -1076,7 +1112,11 @@ impl Project {
                     buffer_store.clone(),
                     worktree_store.clone(),
                     prettier_store.clone(),
-                    toolchain_store.clone(),
+                    toolchain_store
+                        .read(cx)
+                        .as_local_store()
+                        .expect("Toolchain store to be local")
+                        .clone(),
                     environment.clone(),
                     manifest_tree,
                     languages.clone(),
@@ -1221,7 +1261,6 @@ impl Project {
                 LspStore::new_remote(
                     buffer_store.clone(),
                     worktree_store.clone(),
-                    Some(toolchain_store.clone()),
                     languages.clone(),
                     ssh_proto.clone(),
                     SSH_PROJECT_ID,
@@ -1308,14 +1347,13 @@ impl Project {
             };
 
             // ssh -> local machine handlers
-            let ssh = ssh.read(cx);
-            ssh.subscribe_to_entity(SSH_PROJECT_ID, &cx.entity());
-            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.buffer_store);
-            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.worktree_store);
-            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.lsp_store);
-            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.dap_store);
-            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.settings_observer);
-            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.git_store);
+            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &cx.entity());
+            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.buffer_store);
+            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.worktree_store);
+            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.lsp_store);
+            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.dap_store);
+            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.settings_observer);
+            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.git_store);
 
             ssh_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
             ssh_proto.add_entity_message_handler(Self::handle_update_worktree);
@@ -1362,10 +1400,7 @@ impl Project {
         fs: Arc<dyn Fs>,
         cx: AsyncApp,
     ) -> Result<Entity<Self>> {
-        client
-            .authenticate_and_connect(true, &cx)
-            .await
-            .into_response()?;
+        client.connect(true, &cx).await.into_response()?;
 
         let subscriptions = [
             EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
@@ -1449,14 +1484,16 @@ impl Project {
             let mut lsp_store = LspStore::new_remote(
                 buffer_store.clone(),
                 worktree_store.clone(),
-                None,
                 languages.clone(),
                 client.clone().into(),
                 remote_id,
                 fs.clone(),
                 cx,
             );
-            lsp_store.set_language_server_statuses_from_proto(response.payload.language_servers);
+            lsp_store.set_language_server_statuses_from_proto(
+                response.payload.language_servers,
+                response.payload.language_server_capabilities,
+            );
             lsp_store
         })?;
 
@@ -1576,25 +1613,23 @@ impl Project {
             .into_iter()
             .map(|s| match s {
                 EntitySubscription::BufferStore(subscription) => {
-                    subscription.set_entity(&buffer_store, &mut cx)
+                    subscription.set_entity(&buffer_store, &cx)
                 }
                 EntitySubscription::WorktreeStore(subscription) => {
-                    subscription.set_entity(&worktree_store, &mut cx)
+                    subscription.set_entity(&worktree_store, &cx)
                 }
                 EntitySubscription::GitStore(subscription) => {
-                    subscription.set_entity(&git_store, &mut cx)
+                    subscription.set_entity(&git_store, &cx)
                 }
                 EntitySubscription::SettingsObserver(subscription) => {
-                    subscription.set_entity(&settings_observer, &mut cx)
-                }
-                EntitySubscription::Project(subscription) => {
-                    subscription.set_entity(&this, &mut cx)
+                    subscription.set_entity(&settings_observer, &cx)
                 }
+                EntitySubscription::Project(subscription) => subscription.set_entity(&this, &cx),
                 EntitySubscription::LspStore(subscription) => {
-                    subscription.set_entity(&lsp_store, &mut cx)
+                    subscription.set_entity(&lsp_store, &cx)
                 }
                 EntitySubscription::DapStore(subscription) => {
-                    subscription.set_entity(&dap_store, &mut cx)
+                    subscription.set_entity(&dap_store, &cx)
                 }
             })
             .collect::<Vec<_>>();
@@ -1807,7 +1842,7 @@ impl Project {
         cx: &'a mut App,
     ) -> Shared<Task<Option<HashMap<String, String>>>> {
         self.environment.update(cx, |environment, cx| {
-            environment.get_buffer_environment(&buffer, &worktree_store, cx)
+            environment.get_buffer_environment(buffer, worktree_store, cx)
         })
     }
 
@@ -1862,15 +1897,7 @@ impl Project {
             return true;
         }
 
-        return false;
-    }
-
-    pub fn ssh_connection_string(&self, cx: &App) -> Option<SharedString> {
-        if let Some(ssh_state) = &self.ssh_client {
-            return Some(ssh_state.read(cx).connection_string().into());
-        }
-
-        return None;
+        false
     }
 
     pub fn ssh_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
@@ -2093,7 +2120,7 @@ impl Project {
         let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
 
         let lsp_store = self.lsp_store().downgrade();
-        cx.spawn(async move |_, cx| {
+        cx.spawn(async move |project, cx| {
             let (old_abs_path, new_abs_path) = {
                 let root_path = worktree.read_with(cx, |this, _| this.abs_path())?;
                 let new_abs_path = if is_root_entry {
@@ -2103,7 +2130,7 @@ impl Project {
                 };
                 (root_path.join(&old_path), new_abs_path)
             };
-            LspStore::will_rename_entry(
+            let transaction = LspStore::will_rename_entry(
                 lsp_store.clone(),
                 worktree_id,
                 &old_abs_path,
@@ -2119,6 +2146,12 @@ impl Project {
                 })?
                 .await?;
 
+            project
+                .update(cx, |_, cx| {
+                    cx.emit(Event::EntryRenamed(transaction));
+                })
+                .ok();
+
             lsp_store
                 .read_with(cx, |this, _| {
                     this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
@@ -2189,28 +2222,28 @@ impl Project {
         self.client_subscriptions.extend([
             self.client
                 .subscribe_to_entity(project_id)?
-                .set_entity(&cx.entity(), &mut cx.to_async()),
+                .set_entity(&cx.entity(), &cx.to_async()),
             self.client
                 .subscribe_to_entity(project_id)?
-                .set_entity(&self.worktree_store, &mut cx.to_async()),
+                .set_entity(&self.worktree_store, &cx.to_async()),
             self.client
                 .subscribe_to_entity(project_id)?
-                .set_entity(&self.buffer_store, &mut cx.to_async()),
+                .set_entity(&self.buffer_store, &cx.to_async()),
             self.client
                 .subscribe_to_entity(project_id)?
-                .set_entity(&self.lsp_store, &mut cx.to_async()),
+                .set_entity(&self.lsp_store, &cx.to_async()),
             self.client
                 .subscribe_to_entity(project_id)?
-                .set_entity(&self.settings_observer, &mut cx.to_async()),
+                .set_entity(&self.settings_observer, &cx.to_async()),
             self.client
                 .subscribe_to_entity(project_id)?
-                .set_entity(&self.dap_store, &mut cx.to_async()),
+                .set_entity(&self.dap_store, &cx.to_async()),
             self.client
                 .subscribe_to_entity(project_id)?
-                .set_entity(&self.breakpoint_store, &mut cx.to_async()),
+                .set_entity(&self.breakpoint_store, &cx.to_async()),
             self.client
                 .subscribe_to_entity(project_id)?
-                .set_entity(&self.git_store, &mut cx.to_async()),
+                .set_entity(&self.git_store, &cx.to_async()),
         ]);
 
         self.buffer_store.update(cx, |buffer_store, cx| {
@@ -2287,7 +2320,10 @@ impl Project {
         self.set_worktrees_from_proto(message.worktrees, cx)?;
         self.set_collaborators_from_proto(message.collaborators, cx)?;
         self.lsp_store.update(cx, |lsp_store, _| {
-            lsp_store.set_language_server_statuses_from_proto(message.language_servers)
+            lsp_store.set_language_server_statuses_from_proto(
+                message.language_servers,
+                message.language_server_capabilities,
+            )
         });
         self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
             .unwrap();
@@ -2473,7 +2509,7 @@ impl Project {
         path: ProjectPath,
         cx: &mut Context<Self>,
     ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
-        let task = self.open_buffer(path.clone(), cx);
+        let task = self.open_buffer(path, cx);
         cx.spawn(async move |_project, cx| {
             let buffer = task.await?;
             let project_entry_id = buffer.read_with(cx, |buffer, cx| {
@@ -2548,7 +2584,7 @@ impl Project {
         cx: &mut App,
     ) -> OpenLspBufferHandle {
         self.lsp_store.update(cx, |lsp_store, cx| {
-            lsp_store.register_buffer_with_language_servers(&buffer, HashSet::default(), false, cx)
+            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
         })
     }
 
@@ -2711,11 +2747,12 @@ impl Project {
                         operations,
                     }))
                 })?;
-                if let Some(request) = request {
-                    if request.await.is_err() && !is_local {
-                        *needs_resync_with_host = true;
-                        break;
-                    }
+                if let Some(request) = request
+                    && request.await.is_err()
+                    && !is_local
+                {
+                    *needs_resync_with_host = true;
+                    break;
                 }
             }
             Ok(())
@@ -2846,14 +2883,11 @@ impl Project {
         event: &DapStoreEvent,
         cx: &mut Context<Self>,
     ) {
-        match event {
-            DapStoreEvent::Notification(message) => {
-                cx.emit(Event::Toast {
-                    notification_id: "dap".into(),
-                    message: message.clone(),
-                });
-            }
-            _ => {}
+        if let DapStoreEvent::Notification(message) = event {
+            cx.emit(Event::Toast {
+                notification_id: "dap".into(),
+                message: message.clone(),
+            });
         }
     }
 
@@ -2864,18 +2898,17 @@ impl Project {
         cx: &mut Context<Self>,
     ) {
         match event {
-            LspStoreEvent::DiagnosticsUpdated {
-                language_server_id,
-                path,
-            } => cx.emit(Event::DiagnosticsUpdated {
-                path: path.clone(),
-                language_server_id: *language_server_id,
-            }),
-            LspStoreEvent::LanguageServerAdded(language_server_id, name, worktree_id) => cx.emit(
-                Event::LanguageServerAdded(*language_server_id, name.clone(), *worktree_id),
+            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
+                cx.emit(Event::DiagnosticsUpdated {
+                    paths: paths.clone(),
+                    language_server_id: *server_id,
+                })
+            }
+            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
+                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
             ),
-            LspStoreEvent::LanguageServerRemoved(language_server_id) => {
-                cx.emit(Event::LanguageServerRemoved(*language_server_id))
+            LspStoreEvent::LanguageServerRemoved(server_id) => {
+                cx.emit(Event::LanguageServerRemoved(*server_id))
             }
             LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
                 Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
@@ -2906,8 +2939,8 @@ impl Project {
             }
             LspStoreEvent::LanguageServerUpdate {
                 language_server_id,
-                message,
                 name,
+                message,
             } => {
                 if self.is_local() {
                     self.enqueue_buffer_ordered_message(
@@ -2919,6 +2952,32 @@ impl Project {
                     )
                     .ok();
                 }
+
+                match message {
+                    proto::update_language_server::Variant::MetadataUpdated(update) => {
+                        if let Some(capabilities) = update
+                            .capabilities
+                            .as_ref()
+                            .and_then(|capabilities| serde_json::from_str(capabilities).ok())
+                        {
+                            self.lsp_store.update(cx, |lsp_store, _| {
+                                lsp_store
+                                    .lsp_server_capabilities
+                                    .insert(*language_server_id, capabilities);
+                            });
+                        }
+                    }
+                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
+                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
+                            cx.emit(Event::LanguageServerBufferRegistered {
+                                buffer_id,
+                                server_id: *language_server_id,
+                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
+                            });
+                        }
+                    }
+                    _ => (),
+                }
             }
             LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
                 notification_id: "lsp".into(),
@@ -3067,7 +3126,7 @@ impl Project {
         event: &BufferEvent,
         cx: &mut Context<Self>,
     ) -> Option<()> {
-        if matches!(event, BufferEvent::Edited { .. } | BufferEvent::Reloaded) {
+        if matches!(event, BufferEvent::Edited | BufferEvent::Reloaded) {
             self.request_buffer_diff_recalculation(&buffer, cx);
         }
 
@@ -3115,14 +3174,11 @@ impl Project {
         event: &ImageItemEvent,
         cx: &mut Context<Self>,
     ) -> Option<()> {
-        match event {
-            ImageItemEvent::ReloadNeeded => {
-                if !self.is_via_collab() {
-                    self.reload_images([image.clone()].into_iter().collect(), cx)
-                        .detach_and_log_err(cx);
-                }
-            }
-            _ => {}
+        if let ImageItemEvent::ReloadNeeded = event
+            && !self.is_via_collab()
+        {
+            self.reload_images([image].into_iter().collect(), cx)
+                .detach_and_log_err(cx);
         }
 
         None
@@ -3366,7 +3422,7 @@ impl Project {
         buffer: &Entity<Buffer>,
         position: T,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<LocationLink>>> {
+    ) -> Task<Result<Option<Vec<LocationLink>>>> {
         let position = position.to_point_utf16(buffer.read(cx));
         let guard = self.retain_remotely_created_models(cx);
         let task = self.lsp_store.update(cx, |lsp_store, cx| {
@@ -3384,7 +3440,7 @@ impl Project {
         buffer: &Entity<Buffer>,
         position: T,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<LocationLink>>> {
+    ) -> Task<Result<Option<Vec<LocationLink>>>> {
         let position = position.to_point_utf16(buffer.read(cx));
         let guard = self.retain_remotely_created_models(cx);
         let task = self.lsp_store.update(cx, |lsp_store, cx| {
@@ -3402,7 +3458,7 @@ impl Project {
         buffer: &Entity<Buffer>,
         position: T,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<LocationLink>>> {
+    ) -> Task<Result<Option<Vec<LocationLink>>>> {
         let position = position.to_point_utf16(buffer.read(cx));
         let guard = self.retain_remotely_created_models(cx);
         let task = self.lsp_store.update(cx, |lsp_store, cx| {
@@ -3420,7 +3476,7 @@ impl Project {
         buffer: &Entity<Buffer>,
         position: T,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<LocationLink>>> {
+    ) -> Task<Result<Option<Vec<LocationLink>>>> {
         let position = position.to_point_utf16(buffer.read(cx));
         let guard = self.retain_remotely_created_models(cx);
         let task = self.lsp_store.update(cx, |lsp_store, cx| {
@@ -3438,7 +3494,7 @@ impl Project {
         buffer: &Entity<Buffer>,
         position: T,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<Location>>> {
+    ) -> Task<Result<Option<Vec<Location>>>> {
         let position = position.to_point_utf16(buffer.read(cx));
         let guard = self.retain_remotely_created_models(cx);
         let task = self.lsp_store.update(cx, |lsp_store, cx| {
@@ -3451,20 +3507,6 @@ impl Project {
         })
     }
 
-    fn document_highlights_impl(
-        &mut self,
-        buffer: &Entity<Buffer>,
-        position: PointUtf16,
-        cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<DocumentHighlight>>> {
-        self.request_lsp(
-            buffer.clone(),
-            LanguageServerToQuery::FirstCapable,
-            GetDocumentHighlights { position },
-            cx,
-        )
-    }
-
     pub fn document_highlights<T: ToPointUtf16>(
         &mut self,
         buffer: &Entity<Buffer>,
@@ -3472,7 +3514,12 @@ impl Project {
         cx: &mut Context<Self>,
     ) -> Task<Result<Vec<DocumentHighlight>>> {
         let position = position.to_point_utf16(buffer.read(cx));
-        self.document_highlights_impl(buffer, position, cx)
+        self.request_lsp(
+            buffer.clone(),
+            LanguageServerToQuery::FirstCapable,
+            GetDocumentHighlights { position },
+            cx,
+        )
     }
 
     pub fn document_symbols(
@@ -3538,27 +3585,10 @@ impl Project {
         &mut self,
         abs_path: lsp::Url,
         language_server_id: LanguageServerId,
-        language_server_name: LanguageServerName,
         cx: &mut Context<Self>,
     ) -> Task<Result<Entity<Buffer>>> {
         self.lsp_store.update(cx, |lsp_store, cx| {
-            lsp_store.open_local_buffer_via_lsp(
-                abs_path,
-                language_server_id,
-                language_server_name,
-                cx,
-            )
-        })
-    }
-
-    pub fn signature_help<T: ToPointUtf16>(
-        &self,
-        buffer: &Entity<Buffer>,
-        position: T,
-        cx: &mut Context<Self>,
-    ) -> Task<Vec<SignatureHelp>> {
-        self.lsp_store.update(cx, |lsp_store, cx| {
-            lsp_store.signature_help(buffer, position, cx)
+            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
         })
     }
 
@@ -3567,20 +3597,20 @@ impl Project {
         buffer: &Entity<Buffer>,
         position: T,
         cx: &mut Context<Self>,
-    ) -> Task<Vec<Hover>> {
+    ) -> Task<Option<Vec<Hover>>> {
         let position = position.to_point_utf16(buffer.read(cx));
         self.lsp_store
             .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
     }
 
-    pub fn linked_edit(
+    pub fn linked_edits(
         &self,
         buffer: &Entity<Buffer>,
         position: Anchor,
         cx: &mut Context<Self>,
     ) -> Task<Result<Vec<Range<Anchor>>>> {
         self.lsp_store.update(cx, |lsp_store, cx| {
-            lsp_store.linked_edit(buffer, position, cx)
+            lsp_store.linked_edits(buffer, position, cx)
         })
     }
 
@@ -3603,7 +3633,7 @@ impl Project {
         range: Range<T>,
         kinds: Option<Vec<CodeActionKind>>,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<CodeAction>>> {
+    ) -> Task<Result<Option<Vec<CodeAction>>>> {
         let buffer = buffer_handle.read(cx);
         let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
         self.lsp_store.update(cx, |lsp_store, cx| {
@@ -3616,9 +3646,9 @@ impl Project {
         buffer: &Entity<Buffer>,
         range: Range<T>,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Vec<CodeAction>>> {
+    ) -> Task<Result<Option<Vec<CodeAction>>>> {
         let snapshot = buffer.read(cx).snapshot();
-        let range = range.clone().to_owned().to_point(&snapshot);
+        let range = range.to_point(&snapshot);
         let range_start = snapshot.anchor_before(range.start);
         let range_end = if range.start == range.end {
             range_start
@@ -3634,16 +3664,18 @@ impl Project {
             let mut code_lens_actions = code_lens_actions
                 .await
                 .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
-            code_lens_actions.retain(|code_lens_action| {
-                range
-                    .start
-                    .cmp(&code_lens_action.range.start, &snapshot)
-                    .is_ge()
-                    && range
-                        .end
-                        .cmp(&code_lens_action.range.end, &snapshot)
-                        .is_le()
-            });
+            if let Some(code_lens_actions) = &mut code_lens_actions {
+                code_lens_actions.retain(|code_lens_action| {
+                    range
+                        .start
+                        .cmp(&code_lens_action.range.start, &snapshot)
+                        .is_ge()
+                        && range
+                            .end
+                            .cmp(&code_lens_action.range.end, &snapshot)
+                            .is_le()
+                });
+            }
             Ok(code_lens_actions)
         })
     }
@@ -3672,19 +3704,6 @@ impl Project {
         })
     }
 
-    fn prepare_rename_impl(
-        &mut self,
-        buffer: Entity<Buffer>,
-        position: PointUtf16,
-        cx: &mut Context<Self>,
-    ) -> Task<Result<PrepareRenameResponse>> {
-        self.request_lsp(
-            buffer,
-            LanguageServerToQuery::FirstCapable,
-            PrepareRename { position },
-            cx,
-        )
-    }
     pub fn prepare_rename<T: ToPointUtf16>(
         &mut self,
         buffer: Entity<Buffer>,
@@ -3692,7 +3711,12 @@ impl Project {
         cx: &mut Context<Self>,
     ) -> Task<Result<PrepareRenameResponse>> {
         let position = position.to_point_utf16(buffer.read(cx));
-        self.prepare_rename_impl(buffer, position, cx)
+        self.request_lsp(
+            buffer,
+            LanguageServerToQuery::FirstCapable,
+            PrepareRename { position },
+            cx,
+        )
     }
 
     pub fn perform_rename<T: ToPointUtf16>(
@@ -3789,27 +3813,6 @@ impl Project {
         })
     }
 
-    pub fn update_diagnostics(
-        &mut self,
-        language_server_id: LanguageServerId,
-        source_kind: DiagnosticSourceKind,
-        result_id: Option<String>,
-        params: lsp::PublishDiagnosticsParams,
-        disk_based_sources: &[String],
-        cx: &mut Context<Self>,
-    ) -> Result<(), anyhow::Error> {
-        self.lsp_store.update(cx, |lsp_store, cx| {
-            lsp_store.update_diagnostics(
-                language_server_id,
-                params,
-                result_id,
-                source_kind,
-                disk_based_sources,
-                cx,
-            )
-        })
-    }
-
     pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
         let (result_tx, result_rx) = smol::channel::unbounded();
 
@@ -3914,10 +3917,10 @@ impl Project {
                     if let Some(entry) = b
                         .entry_id(cx)
                         .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
+                        && entry.is_ignored
+                        && !search_query.include_ignored()
                     {
-                        if entry.is_ignored && !search_query.include_ignored() {
-                            return false;
-                        }
+                        return false;
                     }
                 }
                 true
@@ -4114,7 +4117,7 @@ impl Project {
                 }
             })
         } else {
-            return Task::ready(None);
+            Task::ready(None)
         }
     }
 
@@ -4126,11 +4129,11 @@ impl Project {
     ) -> Task<Option<ResolvedPath>> {
         let mut candidates = vec![path.clone()];
 
-        if let Some(file) = buffer.read(cx).file() {
-            if let Some(dir) = file.path().parent() {
-                let joined = dir.to_path_buf().join(path);
-                candidates.push(joined);
-            }
+        if let Some(file) = buffer.read(cx).file()
+            && let Some(dir) = file.path().parent()
+        {
+            let joined = dir.to_path_buf().join(path);
+            candidates.push(joined);
         }
 
         let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
@@ -4142,18 +4145,15 @@ impl Project {
             })
             .collect();
 
-        cx.spawn(async move |_, mut cx| {
-            if let Some(buffer_worktree_id) = buffer_worktree_id {
-                if let Some((worktree, _)) = worktrees_with_ids
+        cx.spawn(async move |_, cx| {
+            if let Some(buffer_worktree_id) = buffer_worktree_id
+                && let Some((worktree, _)) = worktrees_with_ids
                     .iter()
                     .find(|(_, id)| *id == buffer_worktree_id)
-                {
-                    for candidate in candidates.iter() {
-                        if let Some(path) =
-                            Self::resolve_path_in_worktree(&worktree, candidate, &mut cx)
-                        {
-                            return Some(path);
-                        }
+            {
+                for candidate in candidates.iter() {
+                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
+                        return Some(path);
                     }
                 }
             }
@@ -4162,9 +4162,7 @@ impl Project {
                     continue;
                 }
                 for candidate in candidates.iter() {
-                    if let Some(path) =
-                        Self::resolve_path_in_worktree(&worktree, candidate, &mut cx)
-                    {
+                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
                         return Some(path);
                     }
                 }
@@ -4329,7 +4327,7 @@ impl Project {
     /// # Arguments
     ///
     /// * `path` - A full path that starts with a worktree root name, or alternatively a
-    ///            relative path within a visible worktree.
+    ///   relative path within a visible worktree.
     /// * `cx` - A reference to the `AppContext`.
     ///
     /// # Returns
@@ -4961,63 +4959,53 @@ impl Project {
     }
 
     pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
-        self.lsp_store.update(cx, |this, cx| {
-            this.language_servers_for_local_buffer(buffer, cx)
-                .any(
-                    |(_, server)| match server.capabilities().inlay_hint_provider {
-                        Some(lsp::OneOf::Left(enabled)) => enabled,
-                        Some(lsp::OneOf::Right(_)) => true,
-                        None => false,
-                    },
-                )
+        let Some(language) = buffer.language().cloned() else {
+            return false;
+        };
+        self.lsp_store.update(cx, |lsp_store, _| {
+            let relevant_language_servers = lsp_store
+                .languages
+                .lsp_adapters(&language.name())
+                .into_iter()
+                .map(|lsp_adapter| lsp_adapter.name())
+                .collect::<HashSet<_>>();
+            lsp_store
+                .language_server_statuses()
+                .filter_map(|(server_id, server_status)| {
+                    relevant_language_servers
+                        .contains(&server_status.name)
+                        .then_some(server_id)
+                })
+                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
+                .any(InlayHints::check_capabilities)
         })
     }
 
     pub fn language_server_id_for_name(
         &self,
         buffer: &Buffer,
-        name: &str,
-        cx: &mut App,
-    ) -> Task<Option<LanguageServerId>> {
-        if self.is_local() {
-            Task::ready(self.lsp_store.update(cx, |lsp_store, cx| {
-                lsp_store
-                    .language_servers_for_local_buffer(buffer, cx)
-                    .find_map(|(adapter, server)| {
-                        if adapter.name.0 == name {
-                            Some(server.server_id())
-                        } else {
-                            None
-                        }
-                    })
-            }))
-        } else if let Some(project_id) = self.remote_id() {
-            let request = self.client.request(proto::LanguageServerIdForName {
-                project_id,
-                buffer_id: buffer.remote_id().to_proto(),
-                name: name.to_string(),
-            });
-            cx.background_spawn(async move {
-                let response = request.await.log_err()?;
-                response.server_id.map(LanguageServerId::from_proto)
-            })
-        } else if let Some(ssh_client) = self.ssh_client.as_ref() {
-            let request =
-                ssh_client
-                    .read(cx)
-                    .proto_client()
-                    .request(proto::LanguageServerIdForName {
-                        project_id: SSH_PROJECT_ID,
-                        buffer_id: buffer.remote_id().to_proto(),
-                        name: name.to_string(),
-                    });
-            cx.background_spawn(async move {
-                let response = request.await.log_err()?;
-                response.server_id.map(LanguageServerId::from_proto)
-            })
-        } else {
-            Task::ready(None)
+        name: &LanguageServerName,
+        cx: &App,
+    ) -> Option<LanguageServerId> {
+        let language = buffer.language()?;
+        let relevant_language_servers = self
+            .languages
+            .lsp_adapters(&language.name())
+            .into_iter()
+            .map(|lsp_adapter| lsp_adapter.name())
+            .collect::<HashSet<_>>();
+        if !relevant_language_servers.contains(name) {
+            return None;
         }
+        self.language_server_statuses(cx)
+            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
+            .find_map(|(server_id, server_status)| {
+                if &server_status.name == name {
+                    Some(server_id)
+                } else {
+                    None
+                }
+            })
     }
 
     pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
@@ -5182,7 +5170,7 @@ impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
     }
 
     fn prefix(&self) -> Arc<str> {
-        if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
+        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) {
             self.snapshot.root_name().into()
         } else if self.include_root_name {
             format!("{}{}", self.snapshot.root_name(), std::path::MAIN_SEPARATOR).into()
@@ -5314,7 +5302,7 @@ impl ResolvedPath {
 
     pub fn project_path(&self) -> Option<&ProjectPath> {
         match self {
-            Self::ProjectPath { project_path, .. } => Some(&project_path),
+            Self::ProjectPath { project_path, .. } => Some(project_path),
             _ => None,
         }
     }
@@ -5384,7 +5372,7 @@ impl Completion {
                 _ => None,
             })
             .unwrap_or(DEFAULT_KIND_KEY);
-        (kind_key, &self.label.filter_text())
+        (kind_key, self.label.filter_text())
     }
 
     /// Whether this completion is a snippet.
@@ -5392,7 +5380,7 @@ impl Completion {
         self.source
             // `lsp::CompletionListItemDefaults` has `insert_text_format` field
             .lsp_completion(true)
-            .map_or(false, |lsp_completion| {
+            .is_some_and(|lsp_completion| {
                 lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
             })
     }
@@ -5448,9 +5436,10 @@ fn provide_inline_values(
                     .collect::<String>();
                 let point = snapshot.offset_to_point(capture_range.end);
 
-                while scopes.last().map_or(false, |scope: &Range<_>| {
-                    !scope.contains(&capture_range.start)
-                }) {
+                while scopes
+                    .last()
+                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
+                {
                     scopes.pop();
                 }
 
@@ -5460,7 +5449,7 @@ fn provide_inline_values(
 
                 let scope = if scopes
                     .last()
-                    .map_or(true, |scope| !scope.contains(&active_debug_line_offset))
+                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
                 {
                     VariableScope::Global
                 } else {
@@ -5494,3 +5483,147 @@ fn provide_inline_values(
 
     variables
 }
+
+#[cfg(test)]
+mod disable_ai_settings_tests {
+    use super::*;
+    use gpui::TestAppContext;
+    use settings::{Settings, SettingsSources};
+
+    #[gpui::test]
+    async fn test_disable_ai_settings_security(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            // Test 1: Default is false (AI enabled)
+            let sources = SettingsSources {
+                default: &Some(false),
+                global: None,
+                extensions: None,
+                user: None,
+                release_channel: None,
+                operating_system: None,
+                profile: None,
+                server: None,
+                project: &[],
+            };
+            let settings = DisableAiSettings::load(sources, cx).unwrap();
+            assert!(!settings.disable_ai, "Default should allow AI");
+
+            // Test 2: Global true, local false -> still disabled (local cannot re-enable)
+            let global_true = Some(true);
+            let local_false = Some(false);
+            let sources = SettingsSources {
+                default: &Some(false),
+                global: None,
+                extensions: None,
+                user: Some(&global_true),
+                release_channel: None,
+                operating_system: None,
+                profile: None,
+                server: None,
+                project: &[&local_false],
+            };
+            let settings = DisableAiSettings::load(sources, cx).unwrap();
+            assert!(
+                settings.disable_ai,
+                "Local false cannot override global true"
+            );
+
+            // Test 3: Global false, local true -> disabled (local can make more restrictive)
+            let global_false = Some(false);
+            let local_true = Some(true);
+            let sources = SettingsSources {
+                default: &Some(false),
+                global: None,
+                extensions: None,
+                user: Some(&global_false),
+                release_channel: None,
+                operating_system: None,
+                profile: None,
+                server: None,
+                project: &[&local_true],
+            };
+            let settings = DisableAiSettings::load(sources, cx).unwrap();
+            assert!(settings.disable_ai, "Local true can override global false");
+
+            // Test 4: Server can only make more restrictive (set to true)
+            let user_false = Some(false);
+            let server_true = Some(true);
+            let sources = SettingsSources {
+                default: &Some(false),
+                global: None,
+                extensions: None,
+                user: Some(&user_false),
+                release_channel: None,
+                operating_system: None,
+                profile: None,
+                server: Some(&server_true),
+                project: &[],
+            };
+            let settings = DisableAiSettings::load(sources, cx).unwrap();
+            assert!(
+                settings.disable_ai,
+                "Server can set to true even if user is false"
+            );
+
+            // Test 5: Server false cannot override user true
+            let user_true = Some(true);
+            let server_false = Some(false);
+            let sources = SettingsSources {
+                default: &Some(false),
+                global: None,
+                extensions: None,
+                user: Some(&user_true),
+                release_channel: None,
+                operating_system: None,
+                profile: None,
+                server: Some(&server_false),
+                project: &[],
+            };
+            let settings = DisableAiSettings::load(sources, cx).unwrap();
+            assert!(
+                settings.disable_ai,
+                "Server false cannot override user true"
+            );
+
+            // Test 6: Multiple local settings, any true disables AI
+            let global_false = Some(false);
+            let local_false3 = Some(false);
+            let local_true2 = Some(true);
+            let local_false4 = Some(false);
+            let sources = SettingsSources {
+                default: &Some(false),
+                global: None,
+                extensions: None,
+                user: Some(&global_false),
+                release_channel: None,
+                operating_system: None,
+                profile: None,
+                server: None,
+                project: &[&local_false3, &local_true2, &local_false4],
+            };
+            let settings = DisableAiSettings::load(sources, cx).unwrap();
+            assert!(settings.disable_ai, "Any local true should disable AI");
+
+            // Test 7: All three sources can independently disable AI
+            let user_false2 = Some(false);
+            let server_false2 = Some(false);
+            let local_true3 = Some(true);
+            let sources = SettingsSources {
+                default: &Some(false),
+                global: None,
+                extensions: None,
+                user: Some(&user_false2),
+                release_channel: None,
+                operating_system: None,
+                profile: None,
+                server: Some(&server_false2),
+                project: &[&local_true3],
+            };
+            let settings = DisableAiSettings::load(sources, cx).unwrap();
+            assert!(
+                settings.disable_ai,
+                "Local can disable even if user and server are false"
+            );
+        });
+    }
+}
diff --git a/crates/project/src/project_settings.rs b/crates/project/src/project_settings.rs
index 20be7fef85..4447c25129 100644
--- a/crates/project/src/project_settings.rs
+++ b/crates/project/src/project_settings.rs
@@ -22,6 +22,7 @@ use settings::{
     SettingsStore, parse_json_with_comments, watch_config_file,
 };
 use std::{
+    collections::BTreeMap,
     path::{Path, PathBuf},
     sync::Arc,
     time::Duration,
@@ -180,17 +181,6 @@ pub struct DiagnosticsSettings {
 
     /// Settings for showing inline diagnostics.
     pub inline: InlineDiagnosticsSettings,
-
-    /// Configuration, related to Rust language diagnostics.
-    pub cargo: Option<CargoDiagnosticsSettings>,
-}
-
-impl DiagnosticsSettings {
-    pub fn fetch_cargo_diagnostics(&self) -> bool {
-        self.cargo.as_ref().map_or(false, |cargo_diagnostics| {
-            cargo_diagnostics.fetch_cargo_diagnostics
-        })
-    }
 }
 
 #[derive(Clone, Copy, Debug, Serialize, Deserialize, JsonSchema)]
@@ -257,7 +247,6 @@ impl Default for DiagnosticsSettings {
             include_warnings: true,
             lsp_pull_diagnostics: LspPullDiagnosticsSettings::default(),
             inline: InlineDiagnosticsSettings::default(),
-            cargo: None,
         }
     }
 }
@@ -291,16 +280,6 @@ impl Default for GlobalLspSettings {
     }
 }
 
-#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
-pub struct CargoDiagnosticsSettings {
-    /// When enabled, Zed disables rust-analyzer's check on save and starts to query
-    /// Cargo diagnostics separately.
-    ///
-    /// Default: false
-    #[serde(default)]
-    pub fetch_cargo_diagnostics: bool,
-}
-
 #[derive(
     Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd, Serialize, Deserialize, JsonSchema,
 )]
@@ -431,10 +410,9 @@ impl GitSettings {
 
     pub fn inline_blame_delay(&self) -> Option<Duration> {
         match self.inline_blame {
-            Some(InlineBlameSettings {
-                delay_ms: Some(delay_ms),
-                ..
-            }) if delay_ms > 0 => Some(Duration::from_millis(delay_ms)),
+            Some(InlineBlameSettings { delay_ms, .. }) if delay_ms > 0 => {
+                Some(Duration::from_millis(delay_ms))
+            }
             _ => None,
         }
     }
@@ -470,7 +448,7 @@ pub enum GitGutterSetting {
     Hide,
 }
 
-#[derive(Clone, Copy, Debug, Default, Serialize, Deserialize, JsonSchema)]
+#[derive(Clone, Copy, Debug, Serialize, Deserialize, JsonSchema)]
 #[serde(rename_all = "snake_case")]
 pub struct InlineBlameSettings {
     /// Whether or not to show git blame data inline in
@@ -483,11 +461,19 @@ pub struct InlineBlameSettings {
     /// after a delay once the cursor stops moving.
     ///
     /// Default: 0
-    pub delay_ms: Option<u64>,
+    #[serde(default)]
+    pub delay_ms: u64,
+    /// The amount of padding between the end of the source line and the start
+    /// of the inline blame in units of columns.
+    ///
+    /// Default: 7
+    #[serde(default = "default_inline_blame_padding")]
+    pub padding: u32,
     /// The minimum column number to show the inline blame information at
     ///
     /// Default: 0
-    pub min_column: Option<u32>,
+    #[serde(default)]
+    pub min_column: u32,
     /// Whether to show commit summary as part of the inline blame.
     ///
     /// Default: false
@@ -495,16 +481,31 @@ pub struct InlineBlameSettings {
     pub show_commit_summary: bool,
 }
 
-#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
+fn default_inline_blame_padding() -> u32 {
+    7
+}
+
+impl Default for InlineBlameSettings {
+    fn default() -> Self {
+        Self {
+            enabled: true,
+            delay_ms: 0,
+            padding: default_inline_blame_padding(),
+            min_column: 0,
+            show_commit_summary: false,
+        }
+    }
+}
+
+#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq, Eq, JsonSchema, Hash)]
 pub struct BinarySettings {
     pub path: Option<String>,
     pub arguments: Option<Vec<String>>,
-    // this can't be an FxHashMap because the extension APIs require the default SipHash
-    pub env: Option<std::collections::HashMap<String, String>>,
+    pub env: Option<BTreeMap<String, String>>,
     pub ignore_system_version: Option<bool>,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema, Hash)]
 #[serde(rename_all = "snake_case")]
 pub struct LspSettings {
     pub binary: Option<BinarySettings>,
@@ -1082,7 +1083,7 @@ impl SettingsObserver {
         cx: &mut Context<Self>,
     ) -> Task<()> {
         let mut user_tasks_file_rx =
-            watch_config_file(&cx.background_executor(), fs, file_path.clone());
+            watch_config_file(cx.background_executor(), fs, file_path.clone());
         let user_tasks_content = cx.background_executor().block(user_tasks_file_rx.next());
         let weak_entry = cx.weak_entity();
         cx.spawn(async move |settings_observer, cx| {
@@ -1137,7 +1138,7 @@ impl SettingsObserver {
         cx: &mut Context<Self>,
     ) -> Task<()> {
         let mut user_tasks_file_rx =
-            watch_config_file(&cx.background_executor(), fs, file_path.clone());
+            watch_config_file(cx.background_executor(), fs, file_path.clone());
         let user_tasks_content = cx.background_executor().block(user_tasks_file_rx.next());
         let weak_entry = cx.weak_entity();
         cx.spawn(async move |settings_observer, cx| {
diff --git a/crates/project/src/project_tests.rs b/crates/project/src/project_tests.rs
index 779cf95add..6dcd07482e 100644
--- a/crates/project/src/project_tests.rs
+++ b/crates/project/src/project_tests.rs
@@ -4,6 +4,7 @@ use crate::{
     Event, git_store::StatusEntry, task_inventory::TaskContexts, task_store::TaskSettingsLocation,
     *,
 };
+use async_trait::async_trait;
 use buffer_diff::{
     BufferDiffEvent, CALCULATE_DIFF_TASK, DiffHunkSecondaryStatus, DiffHunkStatus,
     DiffHunkStatusKind, assert_hunks,
@@ -18,9 +19,11 @@ use git::{
 use git2::RepositoryInitOptions;
 use gpui::{App, BackgroundExecutor, SemanticVersion, UpdateGlobal};
 use http_client::Url;
+use itertools::Itertools;
 use language::{
-    Diagnostic, DiagnosticEntry, DiagnosticSet, DiskState, FakeLspAdapter, LanguageConfig,
-    LanguageMatcher, LanguageName, LineEnding, OffsetRangeExt, Point, ToPoint,
+    Diagnostic, DiagnosticEntry, DiagnosticSet, DiagnosticSourceKind, DiskState, FakeLspAdapter,
+    LanguageConfig, LanguageMatcher, LanguageName, LineEnding, ManifestName, ManifestProvider,
+    ManifestQuery, OffsetRangeExt, Point, ToPoint, ToolchainLister,
     language_settings::{AllLanguageSettings, LanguageSettingsContent, language_settings},
     tree_sitter_rust, tree_sitter_typescript,
 };
@@ -139,8 +142,10 @@ async fn test_editorconfig_support(cx: &mut gpui::TestAppContext) {
             end_of_line = lf
             insert_final_newline = true
             trim_trailing_whitespace = true
+            max_line_length = 120
         [*.js]
             tab_width = 10
+            max_line_length = off
         "#,
         ".zed": {
             "settings.json": r#"{
@@ -148,7 +153,8 @@ async fn test_editorconfig_support(cx: &mut gpui::TestAppContext) {
                 "hard_tabs": false,
                 "ensure_final_newline_on_save": false,
                 "remove_trailing_whitespace_on_save": false,
-                "soft_wrap": "editor_width"
+                "preferred_line_length": 64,
+                "soft_wrap": "editor_width",
             }"#,
         },
         "a.rs": "fn a() {\n    A\n}",
@@ -156,6 +162,7 @@ async fn test_editorconfig_support(cx: &mut gpui::TestAppContext) {
             ".editorconfig": r#"
             [*.rs]
                 indent_size = 2
+                max_line_length = off,
             "#,
             "b.rs": "fn b() {\n    B\n}",
         },
@@ -204,6 +211,7 @@ async fn test_editorconfig_support(cx: &mut gpui::TestAppContext) {
         assert_eq!(settings_a.hard_tabs, true);
         assert_eq!(settings_a.ensure_final_newline_on_save, true);
         assert_eq!(settings_a.remove_trailing_whitespace_on_save, true);
+        assert_eq!(settings_a.preferred_line_length, 120);
 
         // .editorconfig in b/ overrides .editorconfig in root
         assert_eq!(Some(settings_b.tab_size), NonZeroU32::new(2));
@@ -211,6 +219,10 @@ async fn test_editorconfig_support(cx: &mut gpui::TestAppContext) {
         // "indent_size" is not set, so "tab_width" is used
         assert_eq!(Some(settings_c.tab_size), NonZeroU32::new(10));
 
+        // When max_line_length is "off", default to .zed/settings.json
+        assert_eq!(settings_b.preferred_line_length, 64);
+        assert_eq!(settings_c.preferred_line_length, 64);
+
         // README.md should not be affected by .editorconfig's globe "*.rs"
         assert_eq!(Some(settings_readme.tab_size), NonZeroU32::new(8));
     });
@@ -586,6 +598,203 @@ async fn test_fallback_to_single_worktree_tasks(cx: &mut gpui::TestAppContext) {
     );
 }
 
+#[gpui::test]
+async fn test_running_multiple_instances_of_a_single_server_in_one_worktree(
+    cx: &mut gpui::TestAppContext,
+) {
+    pub(crate) struct PyprojectTomlManifestProvider;
+
+    impl ManifestProvider for PyprojectTomlManifestProvider {
+        fn name(&self) -> ManifestName {
+            SharedString::new_static("pyproject.toml").into()
+        }
+
+        fn search(
+            &self,
+            ManifestQuery {
+                path,
+                depth,
+                delegate,
+            }: ManifestQuery,
+        ) -> Option<Arc<Path>> {
+            for path in path.ancestors().take(depth) {
+                let p = path.join("pyproject.toml");
+                if delegate.exists(&p, Some(false)) {
+                    return Some(path.into());
+                }
+            }
+
+            None
+        }
+    }
+
+    init_test(cx);
+    let fs = FakeFs::new(cx.executor());
+
+    fs.insert_tree(
+        path!("/the-root"),
+        json!({
+            ".zed": {
+                "settings.json": r#"
+                {
+                    "languages": {
+                        "Python": {
+                            "language_servers": ["ty"]
+                        }
+                    }
+                }"#
+            },
+            "project-a": {
+                ".venv": {},
+                "file.py": "",
+                "pyproject.toml": ""
+            },
+            "project-b": {
+                ".venv": {},
+                "source_file.py":"",
+                "another_file.py": "",
+                "pyproject.toml": ""
+            }
+        }),
+    )
+    .await;
+    cx.update(|cx| {
+        ManifestProvidersStore::global(cx).register(Arc::new(PyprojectTomlManifestProvider))
+    });
+
+    let project = Project::test(fs.clone(), [path!("/the-root").as_ref()], cx).await;
+    let language_registry = project.read_with(cx, |project, _| project.languages().clone());
+    let _fake_python_server = language_registry.register_fake_lsp(
+        "Python",
+        FakeLspAdapter {
+            name: "ty",
+            capabilities: lsp::ServerCapabilities {
+                ..Default::default()
+            },
+            ..Default::default()
+        },
+    );
+
+    language_registry.add(python_lang(fs.clone()));
+    let (first_buffer, _handle) = project
+        .update(cx, |project, cx| {
+            project.open_local_buffer_with_lsp(path!("/the-root/project-a/file.py"), cx)
+        })
+        .await
+        .unwrap();
+    cx.executor().run_until_parked();
+    let servers = project.update(cx, |project, cx| {
+        project.lsp_store.update(cx, |this, cx| {
+            first_buffer.update(cx, |buffer, cx| {
+                this.language_servers_for_local_buffer(buffer, cx)
+                    .map(|(adapter, server)| (adapter.clone(), server.clone()))
+                    .collect::<Vec<_>>()
+            })
+        })
+    });
+    cx.executor().run_until_parked();
+    assert_eq!(servers.len(), 1);
+    let (adapter, server) = servers.into_iter().next().unwrap();
+    assert_eq!(adapter.name(), LanguageServerName::new_static("ty"));
+    assert_eq!(server.server_id(), LanguageServerId(0));
+    // `workspace_folders` are set to the rooting point.
+    assert_eq!(
+        server.workspace_folders(),
+        BTreeSet::from_iter(
+            [Url::from_file_path(path!("/the-root/project-a")).unwrap()].into_iter()
+        )
+    );
+
+    let (second_project_buffer, _other_handle) = project
+        .update(cx, |project, cx| {
+            project.open_local_buffer_with_lsp(path!("/the-root/project-b/source_file.py"), cx)
+        })
+        .await
+        .unwrap();
+    cx.executor().run_until_parked();
+    let servers = project.update(cx, |project, cx| {
+        project.lsp_store.update(cx, |this, cx| {
+            second_project_buffer.update(cx, |buffer, cx| {
+                this.language_servers_for_local_buffer(buffer, cx)
+                    .map(|(adapter, server)| (adapter.clone(), server.clone()))
+                    .collect::<Vec<_>>()
+            })
+        })
+    });
+    cx.executor().run_until_parked();
+    assert_eq!(servers.len(), 1);
+    let (adapter, server) = servers.into_iter().next().unwrap();
+    assert_eq!(adapter.name(), LanguageServerName::new_static("ty"));
+    // We're not using venvs at all here, so both folders should fall under the same root.
+    assert_eq!(server.server_id(), LanguageServerId(0));
+    // Now, let's select a different toolchain for one of subprojects.
+    let (available_toolchains_for_b, root_path) = project
+        .update(cx, |this, cx| {
+            let worktree_id = this.worktrees(cx).next().unwrap().read(cx).id();
+            this.available_toolchains(
+                ProjectPath {
+                    worktree_id,
+                    path: Arc::from("project-b/source_file.py".as_ref()),
+                },
+                LanguageName::new("Python"),
+                cx,
+            )
+        })
+        .await
+        .expect("A toolchain to be discovered");
+    assert_eq!(root_path.as_ref(), Path::new("project-b"));
+    assert_eq!(available_toolchains_for_b.toolchains().len(), 1);
+    let currently_active_toolchain = project
+        .update(cx, |this, cx| {
+            let worktree_id = this.worktrees(cx).next().unwrap().read(cx).id();
+            this.active_toolchain(
+                ProjectPath {
+                    worktree_id,
+                    path: Arc::from("project-b/source_file.py".as_ref()),
+                },
+                LanguageName::new("Python"),
+                cx,
+            )
+        })
+        .await;
+
+    assert!(currently_active_toolchain.is_none());
+    let _ = project
+        .update(cx, |this, cx| {
+            let worktree_id = this.worktrees(cx).next().unwrap().read(cx).id();
+            this.activate_toolchain(
+                ProjectPath {
+                    worktree_id,
+                    path: root_path,
+                },
+                available_toolchains_for_b
+                    .toolchains
+                    .into_iter()
+                    .next()
+                    .unwrap(),
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+    cx.run_until_parked();
+    let servers = project.update(cx, |project, cx| {
+        project.lsp_store.update(cx, |this, cx| {
+            second_project_buffer.update(cx, |buffer, cx| {
+                this.language_servers_for_local_buffer(buffer, cx)
+                    .map(|(adapter, server)| (adapter.clone(), server.clone()))
+                    .collect::<Vec<_>>()
+            })
+        })
+    });
+    cx.executor().run_until_parked();
+    assert_eq!(servers.len(), 1);
+    let (adapter, server) = servers.into_iter().next().unwrap();
+    assert_eq!(adapter.name(), LanguageServerName::new_static("ty"));
+    // There's a new language server in town.
+    assert_eq!(server.server_id(), LanguageServerId(1));
+}
+
 #[gpui::test]
 async fn test_managing_language_servers(cx: &mut gpui::TestAppContext) {
     init_test(cx);
@@ -694,7 +903,7 @@ async fn test_managing_language_servers(cx: &mut gpui::TestAppContext) {
         assert_eq!(
             buffer
                 .completion_triggers()
-                .into_iter()
+                .iter()
                 .cloned()
                 .collect::<Vec<_>>(),
             &[".".to_string(), "::".to_string()]
@@ -746,7 +955,7 @@ async fn test_managing_language_servers(cx: &mut gpui::TestAppContext) {
         assert_eq!(
             buffer
                 .completion_triggers()
-                .into_iter()
+                .iter()
                 .cloned()
                 .collect::<Vec<_>>(),
             &[":".to_string()]
@@ -765,7 +974,7 @@ async fn test_managing_language_servers(cx: &mut gpui::TestAppContext) {
         assert_eq!(
             buffer
                 .completion_triggers()
-                .into_iter()
+                .iter()
                 .cloned()
                 .collect::<Vec<_>>(),
             &[".".to_string(), "::".to_string()]
@@ -1098,9 +1307,9 @@ async fn test_reporting_fs_changes_to_language_servers(cx: &mut gpui::TestAppCon
     let prev_read_dir_count = fs.read_dir_call_count();
 
     let fake_server = fake_servers.next().await.unwrap();
-    let (server_id, server_name) = lsp_store.read_with(cx, |lsp_store, _| {
-        let (id, status) = lsp_store.language_server_statuses().next().unwrap();
-        (id, LanguageServerName::from(status.name.as_str()))
+    let server_id = lsp_store.read_with(cx, |lsp_store, _| {
+        let (id, _) = lsp_store.language_server_statuses().next().unwrap();
+        id
     });
 
     // Simulate jumping to a definition in a dependency outside of the worktree.
@@ -1109,7 +1318,6 @@ async fn test_reporting_fs_changes_to_language_servers(cx: &mut gpui::TestAppCon
             project.open_local_buffer_via_lsp(
                 lsp::Url::from_file_path(path!("/the-registry/dep1/src/dep1.rs")).unwrap(),
                 server_id,
-                server_name.clone(),
                 cx,
             )
         })
@@ -1618,7 +1826,7 @@ async fn test_disk_based_diagnostics_progress(cx: &mut gpui::TestAppContext) {
         events.next().await.unwrap(),
         Event::DiagnosticsUpdated {
             language_server_id: LanguageServerId(0),
-            path: (worktree_id, Path::new("a.rs")).into()
+            paths: vec![(worktree_id, Path::new("a.rs")).into()],
         }
     );
 
@@ -1666,7 +1874,7 @@ async fn test_disk_based_diagnostics_progress(cx: &mut gpui::TestAppContext) {
         events.next().await.unwrap(),
         Event::DiagnosticsUpdated {
             language_server_id: LanguageServerId(0),
-            path: (worktree_id, Path::new("a.rs")).into()
+            paths: vec![(worktree_id, Path::new("a.rs")).into()],
         }
     );
 
@@ -1698,7 +1906,7 @@ async fn test_restarting_server_with_diagnostics_running(cx: &mut gpui::TestAppC
             name: "the-language-server",
             disk_based_diagnostics_sources: vec!["disk".into()],
             disk_based_diagnostics_progress_token: Some(progress_token.into()),
-            ..Default::default()
+            ..FakeLspAdapter::default()
         },
     );
 
@@ -1710,6 +1918,7 @@ async fn test_restarting_server_with_diagnostics_running(cx: &mut gpui::TestAppC
         })
         .await
         .unwrap();
+    let buffer_id = buffer.read_with(cx, |buffer, _| buffer.remote_id());
     // Simulate diagnostics starting to update.
     let fake_server = fake_servers.next().await.unwrap();
     fake_server.start_progress(progress_token).await;
@@ -1736,6 +1945,14 @@ async fn test_restarting_server_with_diagnostics_running(cx: &mut gpui::TestAppC
     );
     assert_eq!(events.next().await.unwrap(), Event::RefreshInlayHints);
     fake_server.start_progress(progress_token).await;
+    assert_eq!(
+        events.next().await.unwrap(),
+        Event::LanguageServerBufferRegistered {
+            server_id: LanguageServerId(1),
+            buffer_id,
+            buffer_abs_path: PathBuf::from(path!("/dir/a.rs")),
+        }
+    );
     assert_eq!(
         events.next().await.unwrap(),
         Event::DiskBasedDiagnosticsStarted {
@@ -1809,7 +2026,7 @@ async fn test_restarting_server_with_diagnostics_published(cx: &mut gpui::TestAp
             buffer
                 .snapshot()
                 .diagnostics_in_range::<_, usize>(0..1, false)
-                .map(|entry| entry.diagnostic.message.clone())
+                .map(|entry| entry.diagnostic.message)
                 .collect::<Vec<_>>(),
             ["the message".to_string()]
         );
@@ -1835,7 +2052,7 @@ async fn test_restarting_server_with_diagnostics_published(cx: &mut gpui::TestAp
             buffer
                 .snapshot()
                 .diagnostics_in_range::<_, usize>(0..1, false)
-                .map(|entry| entry.diagnostic.message.clone())
+                .map(|entry| entry.diagnostic.message)
                 .collect::<Vec<_>>(),
             Vec::<String>::new(),
         );
@@ -2938,9 +3155,10 @@ fn chunks_with_diagnostics<T: ToOffset + ToPoint>(
 ) -> Vec<(String, Option<DiagnosticSeverity>)> {
     let mut chunks: Vec<(String, Option<DiagnosticSeverity>)> = Vec::new();
     for chunk in buffer.snapshot().chunks(range, true) {
-        if chunks.last().map_or(false, |prev_chunk| {
-            prev_chunk.1 == chunk.diagnostic_severity
-        }) {
+        if chunks
+            .last()
+            .is_some_and(|prev_chunk| prev_chunk.1 == chunk.diagnostic_severity)
+        {
             chunks.last_mut().unwrap().0.push_str(chunk.text);
         } else {
             chunks.push((chunk.text.to_string(), chunk.diagnostic_severity));
@@ -2995,6 +3213,7 @@ async fn test_definition(cx: &mut gpui::TestAppContext) {
     let mut definitions = project
         .update(cx, |project, cx| project.definitions(&buffer, 22, cx))
         .await
+        .unwrap()
         .unwrap();
 
     // Assert no new language server started
@@ -3509,7 +3728,7 @@ async fn test_apply_code_actions_with_commands(cx: &mut gpui::TestAppContext) {
         .next()
         .await;
 
-    let action = actions.await.unwrap()[0].clone();
+    let action = actions.await.unwrap().unwrap()[0].clone();
     let apply = project.update(cx, |project, cx| {
         project.apply_code_action(buffer.clone(), action, true, cx)
     });
@@ -3702,7 +3921,7 @@ async fn test_save_file_spawns_language_server(cx: &mut gpui::TestAppContext) {
 async fn test_file_changes_multiple_times_on_disk(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/dir"),
         json!({
@@ -3757,7 +3976,7 @@ async fn test_file_changes_multiple_times_on_disk(cx: &mut gpui::TestAppContext)
 async fn test_edit_buffer_while_it_reloads(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/dir"),
         json!({
@@ -4113,7 +4332,7 @@ async fn test_buffer_identity_across_renames(cx: &mut gpui::TestAppContext) {
         })
         .unwrap()
         .await
-        .to_included()
+        .into_included()
         .unwrap();
     cx.executor().run_until_parked();
 
@@ -5887,7 +6106,7 @@ async fn test_search_with_unicode(cx: &mut gpui::TestAppContext) {
 async fn test_create_entry(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/one/two",
         json!({
@@ -5908,7 +6127,7 @@ async fn test_create_entry(cx: &mut gpui::TestAppContext) {
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
 
     // Can't create paths outside the project
@@ -6100,6 +6319,7 @@ async fn test_multiple_language_server_hovers(cx: &mut gpui::TestAppContext) {
         hover_task
             .await
             .into_iter()
+            .flatten()
             .map(|hover| hover.contents.iter().map(|block| &block.text).join("|"))
             .sorted()
             .collect::<Vec<_>>(),
@@ -6173,6 +6393,7 @@ async fn test_hovers_with_empty_parts(cx: &mut gpui::TestAppContext) {
         hover_task
             .await
             .into_iter()
+            .flatten()
             .map(|hover| hover.contents.iter().map(|block| &block.text).join("|"))
             .sorted()
             .collect::<Vec<_>>(),
@@ -6251,7 +6472,7 @@ async fn test_code_actions_only_kinds(cx: &mut gpui::TestAppContext) {
         .await
         .expect("The code action request should have been triggered");
 
-    let code_actions = code_actions_task.await.unwrap();
+    let code_actions = code_actions_task.await.unwrap().unwrap();
     assert_eq!(code_actions.len(), 1);
     assert_eq!(
         code_actions[0].lsp_action.action_kind(),
@@ -6410,6 +6631,7 @@ async fn test_multiple_language_server_actions(cx: &mut gpui::TestAppContext) {
         code_actions_task
             .await
             .unwrap()
+            .unwrap()
             .into_iter()
             .map(|code_action| code_action.lsp_action.title().to_owned())
             .sorted()
@@ -8959,6 +9181,65 @@ fn rust_lang() -> Arc<Language> {
     ))
 }
 
+fn python_lang(fs: Arc<FakeFs>) -> Arc<Language> {
+    struct PythonMootToolchainLister(Arc<FakeFs>);
+    #[async_trait]
+    impl ToolchainLister for PythonMootToolchainLister {
+        async fn list(
+            &self,
+            worktree_root: PathBuf,
+            subroot_relative_path: Option<Arc<Path>>,
+            _: Option<HashMap<String, String>>,
+        ) -> ToolchainList {
+            // This lister will always return a path .venv directories within ancestors
+            let ancestors = subroot_relative_path
+                .into_iter()
+                .flat_map(|path| path.ancestors().map(ToOwned::to_owned).collect::<Vec<_>>());
+            let mut toolchains = vec![];
+            for ancestor in ancestors {
+                let venv_path = worktree_root.join(ancestor).join(".venv");
+                if self.0.is_dir(&venv_path).await {
+                    toolchains.push(Toolchain {
+                        name: SharedString::new("Python Venv"),
+                        path: venv_path.to_string_lossy().into_owned().into(),
+                        language_name: LanguageName(SharedString::new_static("Python")),
+                        as_json: serde_json::Value::Null,
+                    })
+                }
+            }
+            ToolchainList {
+                toolchains,
+                ..Default::default()
+            }
+        }
+        // Returns a term which we should use in UI to refer to a toolchain.
+        fn term(&self) -> SharedString {
+            SharedString::new_static("virtual environment")
+        }
+        /// Returns the name of the manifest file for this toolchain.
+        fn manifest_name(&self) -> ManifestName {
+            SharedString::new_static("pyproject.toml").into()
+        }
+    }
+    Arc::new(
+        Language::new(
+            LanguageConfig {
+                name: "Python".into(),
+                matcher: LanguageMatcher {
+                    path_suffixes: vec!["py".to_string()],
+                    ..Default::default()
+                },
+                ..Default::default()
+            },
+            None, // We're not testing Python parsing with this language.
+        )
+        .with_manifest(Some(ManifestName::from(SharedString::new_static(
+            "pyproject.toml",
+        ))))
+        .with_toolchain_lister(Some(Arc::new(PythonMootToolchainLister(fs)))),
+    )
+}
+
 fn typescript_lang() -> Arc<Language> {
     Arc::new(Language::new(
         LanguageConfig {
diff --git a/crates/project/src/search.rs b/crates/project/src/search.rs
index 4f024837c8..ee216a9976 100644
--- a/crates/project/src/search.rs
+++ b/crates/project/src/search.rs
@@ -155,16 +155,16 @@ impl SearchQuery {
         let initial_query = Arc::from(query.as_str());
         if whole_word {
             let mut word_query = String::new();
-            if let Some(first) = query.get(0..1) {
-                if WORD_MATCH_TEST.is_match(first).is_ok_and(|x| !x) {
-                    word_query.push_str("\\b");
-                }
+            if let Some(first) = query.get(0..1)
+                && WORD_MATCH_TEST.is_match(first).is_ok_and(|x| !x)
+            {
+                word_query.push_str("\\b");
             }
             word_query.push_str(&query);
-            if let Some(last) = query.get(query.len() - 1..) {
-                if WORD_MATCH_TEST.is_match(last).is_ok_and(|x| !x) {
-                    word_query.push_str("\\b");
-                }
+            if let Some(last) = query.get(query.len() - 1..)
+                && WORD_MATCH_TEST.is_match(last).is_ok_and(|x| !x)
+            {
+                word_query.push_str("\\b");
             }
             query = word_query
         }
diff --git a/crates/project/src/search_history.rs b/crates/project/src/search_history.rs
index 90b169bb0c..4b2a7a065b 100644
--- a/crates/project/src/search_history.rs
+++ b/crates/project/src/search_history.rs
@@ -45,20 +45,19 @@ impl SearchHistory {
     }
 
     pub fn add(&mut self, cursor: &mut SearchHistoryCursor, search_string: String) {
-        if self.insertion_behavior == QueryInsertionBehavior::ReplacePreviousIfContains {
-            if let Some(previously_searched) = self.history.back_mut() {
-                if search_string.contains(previously_searched.as_str()) {
-                    *previously_searched = search_string;
-                    cursor.selection = Some(self.history.len() - 1);
-                    return;
-                }
-            }
+        if self.insertion_behavior == QueryInsertionBehavior::ReplacePreviousIfContains
+            && let Some(previously_searched) = self.history.back_mut()
+            && search_string.contains(previously_searched.as_str())
+        {
+            *previously_searched = search_string;
+            cursor.selection = Some(self.history.len() - 1);
+            return;
         }
 
-        if let Some(max_history_len) = self.max_history_len {
-            if self.history.len() >= max_history_len {
-                self.history.pop_front();
-            }
+        if let Some(max_history_len) = self.max_history_len
+            && self.history.len() >= max_history_len
+        {
+            self.history.pop_front();
         }
         self.history.push_back(search_string);
 
@@ -203,7 +202,7 @@ mod tests {
 
         assert_eq!(search_history.current(&cursor), Some("TypeScript"));
         cursor.reset();
-        assert_eq!(search_history.current(&mut cursor), None);
+        assert_eq!(search_history.current(&cursor), None);
         assert_eq!(
             search_history.previous(&mut cursor),
             Some("TypeScript"),
diff --git a/crates/project/src/task_inventory.rs b/crates/project/src/task_inventory.rs
index d0f1c71daf..15e6024808 100644
--- a/crates/project/src/task_inventory.rs
+++ b/crates/project/src/task_inventory.rs
@@ -110,7 +110,7 @@ impl<T: InventoryContents> InventoryFor<T> {
 
     fn global_scenarios(&self) -> impl '_ + Iterator<Item = (TaskSourceKind, T)> {
         self.global.iter().flat_map(|(file_path, templates)| {
-            templates.into_iter().map(|template| {
+            templates.iter().map(|template| {
                 (
                     TaskSourceKind::AbsPath {
                         id_base: Cow::Owned(format!("global {}", T::GLOBAL_SOURCE_FILE)),
@@ -333,7 +333,7 @@ impl Inventory {
 
                     for locator in locators.values() {
                         if let Some(scenario) = locator
-                            .create_scenario(&task.original_task(), &task.display_label(), &adapter)
+                            .create_scenario(task.original_task(), task.display_label(), &adapter)
                             .await
                         {
                             scenarios.push((kind, scenario));
@@ -760,7 +760,7 @@ impl Inventory {
             TaskSettingsLocation::Global(path) => {
                 previously_existing_scenarios = parsed_scenarios
                     .global_scenarios()
-                    .map(|(_, scenario)| scenario.label.clone())
+                    .map(|(_, scenario)| scenario.label)
                     .collect::<HashSet<_>>();
                 parsed_scenarios
                     .global
@@ -770,7 +770,7 @@ impl Inventory {
             TaskSettingsLocation::Worktree(location) => {
                 previously_existing_scenarios = parsed_scenarios
                     .worktree_scenarios(location.worktree_id)
-                    .map(|(_, scenario)| scenario.label.clone())
+                    .map(|(_, scenario)| scenario.label)
                     .collect::<HashSet<_>>();
 
                 if new_templates.is_empty() {
diff --git a/crates/project/src/task_store.rs b/crates/project/src/task_store.rs
index f6718a3f3c..ae49ce5b4d 100644
--- a/crates/project/src/task_store.rs
+++ b/crates/project/src/task_store.rs
@@ -71,7 +71,7 @@ impl TaskStore {
             .payload
             .location
             .context("no location given for task context handling")?;
-        let (buffer_store, is_remote) = store.read_with(&mut cx, |store, _| {
+        let (buffer_store, is_remote) = store.read_with(&cx, |store, _| {
             Ok(match store {
                 TaskStore::Functional(state) => (
                     state.buffer_store.clone(),
diff --git a/crates/project/src/terminals.rs b/crates/project/src/terminals.rs
index 973d4e8811..b009b357fe 100644
--- a/crates/project/src/terminals.rs
+++ b/crates/project/src/terminals.rs
@@ -1,10 +1,10 @@
 use crate::{Project, ProjectPath};
 use anyhow::{Context as _, Result};
 use collections::HashMap;
-use gpui::{AnyWindowHandle, App, AppContext as _, Context, Entity, Task, WeakEntity};
+use gpui::{App, AppContext as _, Context, Entity, Task, WeakEntity};
 use itertools::Itertools;
 use language::LanguageName;
-use remote::ssh_session::SshArgs;
+use remote::{SshInfo, ssh_session::SshArgs};
 use settings::{Settings, SettingsLocation};
 use smol::channel::bounded;
 use std::{
@@ -13,7 +13,7 @@ use std::{
     path::{Path, PathBuf},
     sync::Arc,
 };
-use task::{DEFAULT_REMOTE_SHELL, Shell, ShellBuilder, SpawnInTerminal};
+use task::{Shell, ShellBuilder, SpawnInTerminal};
 use terminal::{
     TaskState, TaskStatus, Terminal, TerminalBuilder,
     terminal_settings::{self, ActivateScript, TerminalSettings, VenvSettings},
@@ -23,6 +23,13 @@ use util::{
     paths::{PathStyle, RemotePathBuf},
 };
 
+/// The directory inside a Python virtual environment that contains executables
+const PYTHON_VENV_BIN_DIR: &str = if cfg!(target_os = "windows") {
+    "Scripts"
+} else {
+    "bin"
+};
+
 pub struct Terminals {
     pub(crate) local_handles: Vec<WeakEntity<terminal::Terminal>>,
 }
@@ -51,22 +58,22 @@ impl SshCommand {
     }
 }
 
+#[derive(Debug)]
 pub struct SshDetails {
     pub host: String,
     pub ssh_command: SshCommand,
     pub envs: Option<HashMap<String, String>>,
     pub path_style: PathStyle,
+    pub shell: String,
 }
 
 impl Project {
     pub fn active_project_directory(&self, cx: &App) -> Option<Arc<Path>> {
-        let worktree = self
-            .active_entry()
+        self.active_entry()
             .and_then(|entry_id| self.worktree_for_entry(entry_id, cx))
             .into_iter()
             .chain(self.worktrees(cx))
-            .find_map(|tree| tree.read(cx).root_dir());
-        worktree
+            .find_map(|tree| tree.read(cx).root_dir())
     }
 
     pub fn first_project_directory(&self, cx: &App) -> Option<PathBuf> {
@@ -82,23 +89,28 @@ impl Project {
     pub fn ssh_details(&self, cx: &App) -> Option<SshDetails> {
         if let Some(ssh_client) = &self.ssh_client {
             let ssh_client = ssh_client.read(cx);
-            if let Some((SshArgs { arguments, envs }, path_style)) = ssh_client.ssh_info() {
+            if let Some(SshInfo {
+                args: SshArgs { arguments, envs },
+                path_style,
+                shell,
+            }) = ssh_client.ssh_info()
+            {
                 return Some(SshDetails {
-                    host: ssh_client.connection_options().host.clone(),
+                    host: ssh_client.connection_options().host,
                     ssh_command: SshCommand { arguments },
                     envs,
                     path_style,
+                    shell,
                 });
             }
         }
 
-        return None;
+        None
     }
 
     pub fn create_terminal(
         &mut self,
         kind: TerminalKind,
-        window: AnyWindowHandle,
         cx: &mut Context<Self>,
     ) -> Task<Result<Entity<Terminal>>> {
         let path: Option<Arc<Path>> = match &kind {
@@ -113,13 +125,13 @@ impl Project {
         };
 
         let mut settings_location = None;
-        if let Some(path) = path.as_ref() {
-            if let Some((worktree, _)) = self.find_worktree(path, cx) {
-                settings_location = Some(SettingsLocation {
-                    worktree_id: worktree.read(cx).id(),
-                    path,
-                });
-            }
+        if let Some(path) = path.as_ref()
+            && let Some((worktree, _)) = self.find_worktree(path, cx)
+        {
+            settings_location = Some(SettingsLocation {
+                worktree_id: worktree.read(cx).id(),
+                path,
+            });
         }
         let venv = TerminalSettings::get(settings_location, cx)
             .detect_venv
@@ -134,7 +146,7 @@ impl Project {
                 None
             };
             project.update(cx, |project, cx| {
-                project.create_terminal_with_venv(kind, python_venv_directory, window, cx)
+                project.create_terminal_with_venv(kind, python_venv_directory, cx)
             })?
         })
     }
@@ -145,13 +157,13 @@ impl Project {
         cx: &'a App,
     ) -> &'a TerminalSettings {
         let mut settings_location = None;
-        if let Some(path) = path.as_ref() {
-            if let Some((worktree, _)) = self.find_worktree(path, cx) {
-                settings_location = Some(SettingsLocation {
-                    worktree_id: worktree.read(cx).id(),
-                    path,
-                });
-            }
+        if let Some(path) = path.as_ref()
+            && let Some((worktree, _)) = self.find_worktree(path, cx)
+        {
+            settings_location = Some(SettingsLocation {
+                worktree_id: worktree.read(cx).id(),
+                path,
+            });
         }
         TerminalSettings::get(settings_location, cx)
     }
@@ -161,7 +173,9 @@ impl Project {
         let ssh_details = self.ssh_details(cx);
         let settings = self.terminal_settings(&path, cx).clone();
 
-        let builder = ShellBuilder::new(ssh_details.is_none(), &settings.shell).non_interactive();
+        let builder =
+            ShellBuilder::new(ssh_details.as_ref().map(|ssh| &*ssh.shell), &settings.shell)
+                .non_interactive();
         let (command, args) = builder.build(Some(command), &Vec::new());
 
         let mut env = self
@@ -176,9 +190,11 @@ impl Project {
                 ssh_command,
                 envs,
                 path_style,
+                shell,
                 ..
             }) => {
                 let (command, args) = wrap_for_ssh(
+                    &shell,
                     &ssh_command,
                     Some((&command, &args)),
                     path.as_deref(),
@@ -209,7 +225,6 @@ impl Project {
         &mut self,
         kind: TerminalKind,
         python_venv_directory: Option<PathBuf>,
-        window: AnyWindowHandle,
         cx: &mut Context<Self>,
     ) -> Result<Entity<Terminal>> {
         let this = &mut *self;
@@ -234,13 +249,13 @@ impl Project {
         let is_ssh_terminal = ssh_details.is_some();
 
         let mut settings_location = None;
-        if let Some(path) = path.as_ref() {
-            if let Some((worktree, _)) = this.find_worktree(path, cx) {
-                settings_location = Some(SettingsLocation {
-                    worktree_id: worktree.read(cx).id(),
-                    path,
-                });
-            }
+        if let Some(path) = path.as_ref()
+            && let Some((worktree, _)) = this.find_worktree(path, cx)
+        {
+            settings_location = Some(SettingsLocation {
+                worktree_id: worktree.read(cx).id(),
+                path,
+            });
         }
         let settings = TerminalSettings::get(settings_location, cx).clone();
 
@@ -258,7 +273,7 @@ impl Project {
 
         let local_path = if is_ssh_terminal { None } else { path.clone() };
 
-        let mut python_venv_activate_command = None;
+        let mut python_venv_activate_command = Task::ready(None);
 
         let (spawn_task, shell) = match kind {
             TerminalKind::Shell(_) => {
@@ -267,6 +282,7 @@ impl Project {
                         python_venv_directory,
                         &settings.detect_venv,
                         &settings.shell,
+                        cx,
                     );
                 }
 
@@ -276,6 +292,7 @@ impl Project {
                         ssh_command,
                         envs,
                         path_style,
+                        shell,
                     }) => {
                         log::debug!("Connecting to a remote server: {ssh_command:?}");
 
@@ -287,6 +304,7 @@ impl Project {
                             .or_insert_with(|| "xterm-256color".to_string());
 
                         let (program, args) = wrap_for_ssh(
+                            &shell,
                             &ssh_command,
                             None,
                             path.as_deref(),
@@ -339,11 +357,13 @@ impl Project {
                         ssh_command,
                         envs,
                         path_style,
+                        shell,
                     }) => {
                         log::debug!("Connecting to a remote server: {ssh_command:?}");
                         env.entry("TERM".to_string())
                             .or_insert_with(|| "xterm-256color".to_string());
                         let (program, args) = wrap_for_ssh(
+                            &shell,
                             &ssh_command,
                             spawn_task
                                 .command
@@ -369,7 +389,8 @@ impl Project {
                     }
                     None => {
                         if let Some(venv_path) = &python_venv_directory {
-                            add_environment_path(&mut env, &venv_path.join("bin")).log_err();
+                            add_environment_path(&mut env, &venv_path.join(PYTHON_VENV_BIN_DIR))
+                                .log_err();
                         }
 
                         let shell = if let Some(program) = spawn_task.command {
@@ -396,7 +417,7 @@ impl Project {
             settings.alternate_scroll,
             settings.max_scroll_history_lines,
             is_ssh_terminal,
-            window,
+            cx.entity_id().as_u64(),
             completion_tx,
             cx,
         )
@@ -421,9 +442,12 @@ impl Project {
             })
             .detach();
 
-            if let Some(activate_command) = python_venv_activate_command {
-                this.activate_python_virtual_environment(activate_command, &terminal_handle, cx);
-            }
+            this.activate_python_virtual_environment(
+                python_venv_activate_command,
+                &terminal_handle,
+                cx,
+            );
+
             terminal_handle
         })
     }
@@ -476,16 +500,12 @@ impl Project {
         venv_settings: &terminal_settings::VenvSettingsContent,
         cx: &App,
     ) -> Option<PathBuf> {
-        let bin_dir_name = match std::env::consts::OS {
-            "windows" => "Scripts",
-            _ => "bin",
-        };
         venv_settings
             .directories
             .iter()
             .map(|name| abs_path.join(name))
             .find(|venv_path| {
-                let bin_path = venv_path.join(bin_dir_name);
+                let bin_path = venv_path.join(PYTHON_VENV_BIN_DIR);
                 self.find_worktree(&bin_path, cx)
                     .and_then(|(worktree, relative_path)| {
                         worktree.read(cx).entry_for_path(&relative_path)
@@ -502,21 +522,17 @@ impl Project {
     ) -> Option<PathBuf> {
         let (worktree, _) = self.find_worktree(abs_path, cx)?;
         let fs = worktree.read(cx).as_local()?.fs();
-        let bin_dir_name = match std::env::consts::OS {
-            "windows" => "Scripts",
-            _ => "bin",
-        };
         venv_settings
             .directories
             .iter()
             .map(|name| abs_path.join(name))
             .find(|venv_path| {
-                let bin_path = venv_path.join(bin_dir_name);
+                let bin_path = venv_path.join(PYTHON_VENV_BIN_DIR);
                 // One-time synchronous check is acceptable for terminal/task initialization
                 smol::block_on(fs.metadata(&bin_path))
                     .ok()
                     .flatten()
-                    .map_or(false, |meta| meta.is_dir)
+                    .is_some_and(|meta| meta.is_dir)
             })
     }
 
@@ -541,12 +557,15 @@ impl Project {
         venv_base_directory: &Path,
         venv_settings: &VenvSettings,
         shell: &Shell,
-    ) -> Option<String> {
-        let venv_settings = venv_settings.as_option()?;
+        cx: &mut App,
+    ) -> Task<Option<String>> {
+        let Some(venv_settings) = venv_settings.as_option() else {
+            return Task::ready(None);
+        };
         let activate_keyword = match venv_settings.activate_script {
             terminal_settings::ActivateScript::Default => match std::env::consts::OS {
                 "windows" => ".",
-                _ => "source",
+                _ => ".",
             },
             terminal_settings::ActivateScript::Nushell => "overlay use",
             terminal_settings::ActivateScript::PowerShell => ".",
@@ -584,37 +603,48 @@ impl Project {
 
         if venv_settings.venv_name.is_empty() {
             let path = venv_base_directory
-                .join(match std::env::consts::OS {
-                    "windows" => "Scripts",
-                    _ => "bin",
-                })
+                .join(PYTHON_VENV_BIN_DIR)
                 .join(activate_script_name)
                 .to_string_lossy()
                 .to_string();
-            let quoted = shlex::try_quote(&path).ok()?;
-            smol::block_on(self.fs.metadata(path.as_ref()))
-                .ok()
-                .flatten()?;
 
-            Some(format!(
-                "{} {} ; clear{}",
-                activate_keyword, quoted, line_ending
-            ))
+            let is_valid_path = self.resolve_abs_path(path.as_ref(), cx);
+            cx.background_spawn(async move {
+                let quoted = shlex::try_quote(&path).ok()?;
+                if is_valid_path.await.is_some_and(|meta| meta.is_file()) {
+                    Some(format!(
+                        "{} {} ; clear{}",
+                        activate_keyword, quoted, line_ending
+                    ))
+                } else {
+                    None
+                }
+            })
         } else {
-            Some(format!(
+            Task::ready(Some(format!(
                 "{activate_keyword} {activate_script_name} {name}; clear{line_ending}",
                 name = venv_settings.venv_name
-            ))
+            )))
         }
     }
 
     fn activate_python_virtual_environment(
         &self,
-        command: String,
+        command: Task<Option<String>>,
         terminal_handle: &Entity<Terminal>,
         cx: &mut App,
     ) {
-        terminal_handle.update(cx, |terminal, _| terminal.input(command.into_bytes()));
+        terminal_handle.update(cx, |_, cx| {
+            cx.spawn(async move |this, cx| {
+                if let Some(command) = command.await {
+                    this.update(cx, |this, _| {
+                        this.input(command.into_bytes());
+                    })
+                    .ok();
+                }
+            })
+            .detach()
+        });
     }
 
     pub fn local_terminal_handles(&self) -> &Vec<WeakEntity<terminal::Terminal>> {
@@ -623,6 +653,7 @@ impl Project {
 }
 
 pub fn wrap_for_ssh(
+    shell: &str,
     ssh_command: &SshCommand,
     command: Option<(&String, &Vec<String>)>,
     path: Option<&Path>,
@@ -631,16 +662,11 @@ pub fn wrap_for_ssh(
     path_style: PathStyle,
 ) -> (String, Vec<String>) {
     let to_run = if let Some((command, args)) = command {
-        // DEFAULT_REMOTE_SHELL is '"${SHELL:-sh}"' so must not be escaped
-        let command: Option<Cow<str>> = if command == DEFAULT_REMOTE_SHELL {
-            Some(command.into())
-        } else {
-            shlex::try_quote(command).ok()
-        };
+        let command: Option<Cow<str>> = shlex::try_quote(command).ok();
         let args = args.iter().filter_map(|arg| shlex::try_quote(arg).ok());
         command.into_iter().chain(args).join(" ")
     } else {
-        "exec ${SHELL:-sh} -l".to_string()
+        format!("exec {shell} -l")
     };
 
     let mut env_changes = String::new();
@@ -649,11 +675,11 @@ pub fn wrap_for_ssh(
             env_changes.push_str(&format!("{}={} ", k, v));
         }
     }
-    if let Some(venv_directory) = venv_directory {
-        if let Ok(str) = shlex::try_quote(venv_directory.to_string_lossy().as_ref()) {
-            let path = RemotePathBuf::new(PathBuf::from(str.to_string()), path_style).to_string();
-            env_changes.push_str(&format!("PATH={}:$PATH ", path));
-        }
+    if let Some(venv_directory) = venv_directory
+        && let Ok(str) = shlex::try_quote(venv_directory.to_string_lossy().as_ref())
+    {
+        let path = RemotePathBuf::new(PathBuf::from(str.to_string()), path_style).to_string();
+        env_changes.push_str(&format!("PATH={}:$PATH ", path));
     }
 
     let commands = if let Some(path) = path {
@@ -674,7 +700,7 @@ pub fn wrap_for_ssh(
     } else {
         format!("cd; {env_changes} {to_run}")
     };
-    let shell_invocation = format!("sh -c {}", shlex::try_quote(&commands).unwrap());
+    let shell_invocation = format!("{shell} -c {}", shlex::try_quote(&commands).unwrap());
 
     let program = "ssh".to_string();
     let mut args = ssh_command.arguments.clone();
diff --git a/crates/project/src/toolchain_store.rs b/crates/project/src/toolchain_store.rs
index 61a005520d..ac87e64248 100644
--- a/crates/project/src/toolchain_store.rs
+++ b/crates/project/src/toolchain_store.rs
@@ -11,7 +11,10 @@ use collections::BTreeMap;
 use gpui::{
     App, AppContext as _, AsyncApp, Context, Entity, EventEmitter, Subscription, Task, WeakEntity,
 };
-use language::{LanguageName, LanguageRegistry, LanguageToolchainStore, Toolchain, ToolchainList};
+use language::{
+    LanguageName, LanguageRegistry, LanguageToolchainStore, ManifestDelegate, Toolchain,
+    ToolchainList,
+};
 use rpc::{
     AnyProtoClient, TypedEnvelope,
     proto::{self, FromProto, ToProto},
@@ -31,7 +34,10 @@ enum ToolchainStoreInner {
         Entity<LocalToolchainStore>,
         #[allow(dead_code)] Subscription,
     ),
-    Remote(Entity<RemoteToolchainStore>),
+    Remote(
+        Entity<RemoteToolchainStore>,
+        #[allow(dead_code)] Subscription,
+    ),
 }
 
 impl EventEmitter<ToolchainStoreEvent> for ToolchainStore {}
@@ -62,10 +68,12 @@ impl ToolchainStore {
         Self(ToolchainStoreInner::Local(entity, subscription))
     }
 
-    pub(super) fn remote(project_id: u64, client: AnyProtoClient, cx: &mut App) -> Self {
-        Self(ToolchainStoreInner::Remote(
-            cx.new(|_| RemoteToolchainStore { client, project_id }),
-        ))
+    pub(super) fn remote(project_id: u64, client: AnyProtoClient, cx: &mut Context<Self>) -> Self {
+        let entity = cx.new(|_| RemoteToolchainStore { client, project_id });
+        let _subscription = cx.subscribe(&entity, |_, _, e: &ToolchainStoreEvent, cx| {
+            cx.emit(e.clone())
+        });
+        Self(ToolchainStoreInner::Remote(entity, _subscription))
     }
     pub(crate) fn activate_toolchain(
         &self,
@@ -77,8 +85,8 @@ impl ToolchainStore {
             ToolchainStoreInner::Local(local, _) => {
                 local.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
             }
-            ToolchainStoreInner::Remote(remote) => {
-                remote.read(cx).activate_toolchain(path, toolchain, cx)
+            ToolchainStoreInner::Remote(remote, _) => {
+                remote.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
             }
         }
     }
@@ -92,7 +100,7 @@ impl ToolchainStore {
             ToolchainStoreInner::Local(local, _) => {
                 local.update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
             }
-            ToolchainStoreInner::Remote(remote) => {
+            ToolchainStoreInner::Remote(remote, _) => {
                 remote.read(cx).list_toolchains(path, language_name, cx)
             }
         }
@@ -104,10 +112,12 @@ impl ToolchainStore {
         cx: &App,
     ) -> Task<Option<Toolchain>> {
         match &self.0 {
-            ToolchainStoreInner::Local(local, _) => {
-                local.read(cx).active_toolchain(path, language_name, cx)
-            }
-            ToolchainStoreInner::Remote(remote) => {
+            ToolchainStoreInner::Local(local, _) => Task::ready(local.read(cx).active_toolchain(
+                path.worktree_id,
+                &path.path,
+                language_name,
+            )),
+            ToolchainStoreInner::Remote(remote, _) => {
                 remote.read(cx).active_toolchain(path, language_name, cx)
             }
         }
@@ -229,12 +239,18 @@ impl ToolchainStore {
     pub fn as_language_toolchain_store(&self) -> Arc<dyn LanguageToolchainStore> {
         match &self.0 {
             ToolchainStoreInner::Local(local, _) => Arc::new(LocalStore(local.downgrade())),
-            ToolchainStoreInner::Remote(remote) => Arc::new(RemoteStore(remote.downgrade())),
+            ToolchainStoreInner::Remote(remote, _) => Arc::new(RemoteStore(remote.downgrade())),
+        }
+    }
+    pub fn as_local_store(&self) -> Option<&Entity<LocalToolchainStore>> {
+        match &self.0 {
+            ToolchainStoreInner::Local(local, _) => Some(local),
+            ToolchainStoreInner::Remote(_, _) => None,
         }
     }
 }
 
-struct LocalToolchainStore {
+pub struct LocalToolchainStore {
     languages: Arc<LanguageRegistry>,
     worktree_store: Entity<WorktreeStore>,
     project_environment: Entity<ProjectEnvironment>,
@@ -243,20 +259,19 @@ struct LocalToolchainStore {
 }
 
 #[async_trait(?Send)]
-impl language::LanguageToolchainStore for LocalStore {
-    async fn active_toolchain(
+impl language::LocalLanguageToolchainStore for LocalStore {
+    fn active_toolchain(
         self: Arc<Self>,
         worktree_id: WorktreeId,
-        path: Arc<Path>,
+        path: &Arc<Path>,
         language_name: LanguageName,
         cx: &mut AsyncApp,
     ) -> Option<Toolchain> {
         self.0
-            .update(cx, |this, cx| {
-                this.active_toolchain(ProjectPath { worktree_id, path }, language_name, cx)
+            .update(cx, |this, _| {
+                this.active_toolchain(worktree_id, path, language_name)
             })
             .ok()?
-            .await
     }
 }
 
@@ -279,19 +294,18 @@ impl language::LanguageToolchainStore for RemoteStore {
 }
 
 pub struct EmptyToolchainStore;
-#[async_trait(?Send)]
-impl language::LanguageToolchainStore for EmptyToolchainStore {
-    async fn active_toolchain(
+impl language::LocalLanguageToolchainStore for EmptyToolchainStore {
+    fn active_toolchain(
         self: Arc<Self>,
         _: WorktreeId,
-        _: Arc<Path>,
+        _: &Arc<Path>,
         _: LanguageName,
         _: &mut AsyncApp,
     ) -> Option<Toolchain> {
         None
     }
 }
-struct LocalStore(WeakEntity<LocalToolchainStore>);
+pub(crate) struct LocalStore(WeakEntity<LocalToolchainStore>);
 struct RemoteStore(WeakEntity<RemoteToolchainStore>);
 
 #[derive(Clone)]
@@ -349,17 +363,13 @@ impl LocalToolchainStore {
                 .flatten()?;
             let worktree_id = snapshot.id();
             let worktree_root = snapshot.abs_path().to_path_buf();
+            let delegate =
+                Arc::from(ManifestQueryDelegate::new(snapshot)) as Arc<dyn ManifestDelegate>;
             let relative_path = manifest_tree
                 .update(cx, |this, cx| {
-                    this.root_for_path(
-                        path,
-                        &mut std::iter::once(manifest_name.clone()),
-                        Arc::new(ManifestQueryDelegate::new(snapshot)),
-                        cx,
-                    )
+                    this.root_for_path(&path, &manifest_name, &delegate, cx)
                 })
                 .ok()?
-                .remove(&manifest_name)
                 .unwrap_or_else(|| ProjectPath {
                     path: Arc::from(Path::new("")),
                     worktree_id,
@@ -394,23 +404,24 @@ impl LocalToolchainStore {
     }
     pub(crate) fn active_toolchain(
         &self,
-        path: ProjectPath,
+        worktree_id: WorktreeId,
+        relative_path: &Arc<Path>,
         language_name: LanguageName,
-        _: &App,
-    ) -> Task<Option<Toolchain>> {
-        let ancestors = path.path.ancestors();
-        Task::ready(
-            self.active_toolchains
-                .get(&(path.worktree_id, language_name))
-                .and_then(|paths| {
-                    ancestors
-                        .into_iter()
-                        .find_map(|root_path| paths.get(root_path))
-                })
-                .cloned(),
-        )
+    ) -> Option<Toolchain> {
+        let ancestors = relative_path.ancestors();
+
+        self.active_toolchains
+            .get(&(worktree_id, language_name))
+            .and_then(|paths| {
+                ancestors
+                    .into_iter()
+                    .find_map(|root_path| paths.get(root_path))
+            })
+            .cloned()
     }
 }
+
+impl EventEmitter<ToolchainStoreEvent> for RemoteToolchainStore {}
 struct RemoteToolchainStore {
     client: AnyProtoClient,
     project_id: u64,
@@ -421,27 +432,37 @@ impl RemoteToolchainStore {
         &self,
         project_path: ProjectPath,
         toolchain: Toolchain,
-        cx: &App,
+        cx: &mut Context<Self>,
     ) -> Task<Option<()>> {
         let project_id = self.project_id;
         let client = self.client.clone();
-        cx.background_spawn(async move {
-            let path = PathBuf::from(toolchain.path.to_string());
-            let _ = client
-                .request(proto::ActivateToolchain {
-                    project_id,
-                    worktree_id: project_path.worktree_id.to_proto(),
-                    language_name: toolchain.language_name.into(),
-                    toolchain: Some(proto::Toolchain {
-                        name: toolchain.name.into(),
-                        path: path.to_proto(),
-                        raw_json: toolchain.as_json.to_string(),
-                    }),
-                    path: Some(project_path.path.to_string_lossy().into_owned()),
+        cx.spawn(async move |this, cx| {
+            let did_activate = cx
+                .background_spawn(async move {
+                    let path = PathBuf::from(toolchain.path.to_string());
+                    let _ = client
+                        .request(proto::ActivateToolchain {
+                            project_id,
+                            worktree_id: project_path.worktree_id.to_proto(),
+                            language_name: toolchain.language_name.into(),
+                            toolchain: Some(proto::Toolchain {
+                                name: toolchain.name.into(),
+                                path: path.to_proto(),
+                                raw_json: toolchain.as_json.to_string(),
+                            }),
+                            path: Some(project_path.path.to_string_lossy().into_owned()),
+                        })
+                        .await
+                        .log_err()?;
+                    Some(())
                 })
-                .await
-                .log_err()?;
-            Some(())
+                .await;
+            did_activate.and_then(|_| {
+                this.update(cx, |_, cx| {
+                    cx.emit(ToolchainStoreEvent::ToolchainActivated);
+                })
+                .ok()
+            })
         })
     }
 
diff --git a/crates/project/src/worktree_store.rs b/crates/project/src/worktree_store.rs
index 16e42e90cb..b8905c73bc 100644
--- a/crates/project/src/worktree_store.rs
+++ b/crates/project/src/worktree_store.rs
@@ -457,7 +457,7 @@ impl WorktreeStore {
             })
             .collect::<HashMap<_, _>>();
 
-        let (client, project_id) = self.upstream_client().clone().context("invalid project")?;
+        let (client, project_id) = self.upstream_client().context("invalid project")?;
 
         for worktree in worktrees {
             if let Some(old_worktree) =
diff --git a/crates/project_panel/Cargo.toml b/crates/project_panel/Cargo.toml
index ce5fec0b13..6ad3c4c2cd 100644
--- a/crates/project_panel/Cargo.toml
+++ b/crates/project_panel/Cargo.toml
@@ -19,6 +19,7 @@ command_palette_hooks.workspace = true
 db.workspace = true
 editor.workspace = true
 file_icons.workspace = true
+git_ui.workspace = true
 indexmap.workspace = true
 git.workspace = true
 gpui.workspace = true
@@ -40,6 +41,7 @@ worktree.workspace = true
 workspace.workspace = true
 language.workspace = true
 zed_actions.workspace = true
+telemetry.workspace = true
 workspace-hack.workspace = true
 
 [dev-dependencies]
diff --git a/crates/project_panel/src/project_panel.rs b/crates/project_panel/src/project_panel.rs
index 05e6bfe4df..5a30a3e9bc 100644
--- a/crates/project_panel/src/project_panel.rs
+++ b/crates/project_panel/src/project_panel.rs
@@ -16,6 +16,7 @@ use editor::{
 };
 use file_icons::FileIcons;
 use git::status::GitSummary;
+use git_ui::file_diff_view::FileDiffView;
 use gpui::{
     Action, AnyElement, App, ArcCow, AsyncWindowContext, Bounds, ClipboardItem, Context,
     CursorStyle, DismissEvent, Div, DragMoveEvent, Entity, EventEmitter, ExternalPaths,
@@ -43,7 +44,7 @@ use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 use settings::{Settings, SettingsStore, update_settings_file};
 use smallvec::SmallVec;
-use std::any::TypeId;
+use std::{any::TypeId, time::Instant};
 use std::{
     cell::OnceCell,
     cmp,
@@ -56,9 +57,9 @@ use std::{
 };
 use theme::ThemeSettings;
 use ui::{
-    Color, ContextMenu, DecoratedIcon, Icon, IconDecoration, IconDecorationKind, IndentGuideColors,
-    IndentGuideLayout, KeyBinding, Label, LabelSize, ListItem, ListItemSpacing, ScrollableHandle,
-    Scrollbar, ScrollbarState, StickyCandidate, Tooltip, prelude::*, v_flex,
+    Color, ContextMenu, DecoratedIcon, Divider, Icon, IconDecoration, IconDecorationKind,
+    IndentGuideColors, IndentGuideLayout, KeyBinding, Label, LabelSize, ListItem, ListItemSpacing,
+    ScrollableHandle, Scrollbar, ScrollbarState, StickyCandidate, Tooltip, prelude::*, v_flex,
 };
 use util::{ResultExt, TakeUntilExt, TryFutureExt, maybe, paths::compare_paths};
 use workspace::{
@@ -68,11 +69,17 @@ use workspace::{
     notifications::{DetachAndPromptErr, NotifyTaskExt},
 };
 use worktree::CreatedEntry;
-use zed_actions::OpenRecent;
+use zed_actions::workspace::OpenWithSystem;
 
 const PROJECT_PANEL_KEY: &str = "ProjectPanel";
 const NEW_ENTRY_ID: ProjectEntryId = ProjectEntryId::MAX;
 
+struct VisibleEntriesForWorktree {
+    worktree_id: WorktreeId,
+    entries: Vec<GitEntry>,
+    index: OnceCell<HashSet<Arc<Path>>>,
+}
+
 pub struct ProjectPanel {
     project: Entity<Project>,
     fs: Arc<dyn Fs>,
@@ -81,7 +88,7 @@ pub struct ProjectPanel {
     // An update loop that keeps incrementing/decrementing scroll offset while there is a dragged entry that's
     // hovered over the start/end of a list.
     hover_scroll_task: Option<Task<()>>,
-    visible_entries: Vec<(WorktreeId, Vec<GitEntry>, OnceCell<HashSet<Arc<Path>>>)>,
+    visible_entries: Vec<VisibleEntriesForWorktree>,
     /// Maps from leaf project entry ID to the currently selected ancestor.
     /// Relevant only for auto-fold dirs, where a single project panel entry may actually consist of several
     /// project entries (and all non-leaf nodes are guaranteed to be directories).
@@ -93,7 +100,7 @@ pub struct ProjectPanel {
     unfolded_dir_ids: HashSet<ProjectEntryId>,
     // Currently selected leaf entry (see auto-folding for a definition of that) in a file tree
     selection: Option<SelectedEntry>,
-    marked_entries: BTreeSet<SelectedEntry>,
+    marked_entries: Vec<SelectedEntry>,
     context_menu: Option<(Entity<ContextMenu>, Point<Pixels>, Subscription)>,
     edit_state: Option<EditState>,
     filename_editor: Entity<Editor>,
@@ -115,6 +122,7 @@ pub struct ProjectPanel {
     hover_expand_task: Option<Task<()>>,
     previous_drag_position: Option<Point<Pixels>>,
     sticky_items_count: usize,
+    last_reported_update: Instant,
 }
 
 struct DragTargetEntry {
@@ -248,8 +256,6 @@ actions!(
         RevealInFileManager,
         /// Removes the selected folder from the project.
         RemoveFromProject,
-        /// Opens the selected file with the system's default application.
-        OpenWithSystem,
         /// Cuts the selected file or directory.
         Cut,
         /// Pastes the previously cut or copied item.
@@ -280,6 +286,8 @@ actions!(
         SelectNextDirectory,
         /// Selects the previous directory.
         SelectPrevDirectory,
+        /// Opens a diff view to compare two marked files.
+        CompareMarkedFiles,
     ]
 );
 
@@ -376,7 +384,7 @@ struct DraggedProjectEntryView {
     selection: SelectedEntry,
     details: EntryDetails,
     click_offset: Point<Pixels>,
-    selections: Arc<BTreeSet<SelectedEntry>>,
+    selections: Arc<[SelectedEntry]>,
 }
 
 struct ItemColors {
@@ -438,17 +446,22 @@ impl ProjectPanel {
             cx.subscribe(&project, |this, project, event, cx| match event {
                 project::Event::ActiveEntryChanged(Some(entry_id)) => {
                     if ProjectPanelSettings::get_global(cx).auto_reveal_entries {
-                        this.reveal_entry(project.clone(), *entry_id, true, cx).ok();
+                        this.reveal_entry(project, *entry_id, true, cx).ok();
                     }
                 }
                 project::Event::ActiveEntryChanged(None) => {
-                    this.marked_entries.clear();
+                    let is_active_item_file_diff_view = this
+                        .workspace
+                        .upgrade()
+                        .and_then(|ws| ws.read(cx).active_item(cx))
+                        .map(|item| item.act_as_type(TypeId::of::<FileDiffView>(), cx).is_some())
+                        .unwrap_or(false);
+                    if !is_active_item_file_diff_view {
+                        this.marked_entries.clear();
+                    }
                 }
                 project::Event::RevealInProjectPanel(entry_id) => {
-                    if let Some(()) = this
-                        .reveal_entry(project.clone(), *entry_id, false, cx)
-                        .log_err()
-                    {
+                    if let Some(()) = this.reveal_entry(project, *entry_id, false, cx).log_err() {
                         cx.emit(PanelEvent::Activate);
                     }
                 }
@@ -486,7 +499,7 @@ impl ProjectPanel {
                     if let Some((worktree, expanded_dir_ids)) = project
                         .read(cx)
                         .worktree_for_id(*worktree_id, cx)
-                        .zip(this.expanded_dir_ids.get_mut(&worktree_id))
+                        .zip(this.expanded_dir_ids.get_mut(worktree_id))
                     {
                         let worktree = worktree.read(cx);
 
@@ -546,7 +559,7 @@ impl ProjectPanel {
                         if project_panel
                             .edit_state
                             .as_ref()
-                            .map_or(false, |state| state.processing_filename.is_none())
+                            .is_some_and(|state| state.processing_filename.is_none())
                         {
                             project_panel.edit_state = None;
                             project_panel.update_visible_entries(None, cx);
@@ -620,6 +633,7 @@ impl ProjectPanel {
                 hover_expand_task: None,
                 previous_drag_position: None,
                 sticky_items_count: 0,
+                last_reported_update: Instant::now(),
             };
             this.update_visible_entries(None, cx);
 
@@ -634,8 +648,8 @@ impl ProjectPanel {
                     focus_opened_item,
                     allow_preview,
                 } => {
-                    if let Some(worktree) = project.read(cx).worktree_for_entry(entry_id, cx) {
-                        if let Some(entry) = worktree.read(cx).entry_for_id(entry_id) {
+                    if let Some(worktree) = project.read(cx).worktree_for_entry(entry_id, cx)
+                        && let Some(entry) = worktree.read(cx).entry_for_id(entry_id) {
                             let file_path = entry.path.clone();
                             let worktree_id = worktree.read(cx).id();
                             let entry_id = entry.id;
@@ -676,7 +690,7 @@ impl ProjectPanel {
                                 project_panel.update(cx, |project_panel, _| {
                                     let entry = SelectedEntry { worktree_id, entry_id };
                                     project_panel.marked_entries.clear();
-                                    project_panel.marked_entries.insert(entry);
+                                    project_panel.marked_entries.push(entry);
                                     project_panel.selection = Some(entry);
                                 });
                                 if !focus_opened_item {
@@ -685,11 +699,10 @@ impl ProjectPanel {
                                 }
                             }
                         }
-                    }
                 }
                 &Event::SplitEntry { entry_id } => {
-                    if let Some(worktree) = project.read(cx).worktree_for_entry(entry_id, cx) {
-                        if let Some(entry) = worktree.read(cx).entry_for_id(entry_id) {
+                    if let Some(worktree) = project.read(cx).worktree_for_entry(entry_id, cx)
+                        && let Some(entry) = worktree.read(cx).entry_for_id(entry_id) {
                             workspace
                                 .split_path(
                                     ProjectPath {
@@ -700,7 +713,6 @@ impl ProjectPanel {
                                 )
                                 .detach_and_log_err(cx);
                         }
-                    }
                 }
 
                 _ => {}
@@ -797,7 +809,7 @@ impl ProjectPanel {
         diagnostic_severity: DiagnosticSeverity,
     ) {
         diagnostics
-            .entry((project_path.worktree_id, path_buffer.clone()))
+            .entry((project_path.worktree_id, path_buffer))
             .and_modify(|strongest_diagnostic_severity| {
                 *strongest_diagnostic_severity =
                     cmp::min(*strongest_diagnostic_severity, diagnostic_severity);
@@ -887,6 +899,7 @@ impl ProjectPanel {
             let should_hide_rename = is_root
                 && (cfg!(target_os = "windows")
                     || (settings.hide_root && visible_worktrees_count == 1));
+            let should_show_compare = !is_dir && self.file_abs_paths_to_diff(cx).is_some();
 
             let context_menu = ContextMenu::build(window, cx, |menu, _, _| {
                 menu.context(self.focus_handle.clone()).map(|menu| {
@@ -918,6 +931,10 @@ impl ProjectPanel {
                             .when(is_foldable, |menu| {
                                 menu.action("Fold Directory", Box::new(FoldDirectory))
                             })
+                            .when(should_show_compare, |menu| {
+                                menu.separator()
+                                    .action("Compare marked files", Box::new(CompareMarkedFiles))
+                            })
                             .separator()
                             .action("Cut", Box::new(Cut))
                             .action("Copy", Box::new(Copy))
@@ -979,10 +996,10 @@ impl ProjectPanel {
         if let Some(parent_path) = entry.path.parent() {
             let snapshot = worktree.snapshot();
             let mut child_entries = snapshot.child_entries(parent_path);
-            if let Some(child) = child_entries.next() {
-                if child_entries.next().is_none() {
-                    return child.kind.is_dir();
-                }
+            if let Some(child) = child_entries.next()
+                && child_entries.next().is_none()
+            {
+                return child.kind.is_dir();
             }
         };
         false
@@ -993,10 +1010,10 @@ impl ProjectPanel {
             let snapshot = worktree.snapshot();
 
             let mut child_entries = snapshot.child_entries(&entry.path);
-            if let Some(child) = child_entries.next() {
-                if child_entries.next().is_none() {
-                    return child.kind.is_dir();
-                }
+            if let Some(child) = child_entries.next()
+                && child_entries.next().is_none()
+            {
+                return child.kind.is_dir();
             }
         }
         false
@@ -1009,12 +1026,12 @@ impl ProjectPanel {
         cx: &mut Context<Self>,
     ) {
         if let Some((worktree, entry)) = self.selected_entry(cx) {
-            if let Some(folded_ancestors) = self.ancestors.get_mut(&entry.id) {
-                if folded_ancestors.current_ancestor_depth > 0 {
-                    folded_ancestors.current_ancestor_depth -= 1;
-                    cx.notify();
-                    return;
-                }
+            if let Some(folded_ancestors) = self.ancestors.get_mut(&entry.id)
+                && folded_ancestors.current_ancestor_depth > 0
+            {
+                folded_ancestors.current_ancestor_depth -= 1;
+                cx.notify();
+                return;
             }
             if entry.is_dir() {
                 let worktree_id = worktree.id();
@@ -1056,12 +1073,12 @@ impl ProjectPanel {
 
     fn collapse_entry(&mut self, entry: Entry, worktree: Entity<Worktree>, cx: &mut Context<Self>) {
         let worktree = worktree.read(cx);
-        if let Some(folded_ancestors) = self.ancestors.get_mut(&entry.id) {
-            if folded_ancestors.current_ancestor_depth + 1 < folded_ancestors.max_ancestor_depth() {
-                folded_ancestors.current_ancestor_depth += 1;
-                cx.notify();
-                return;
-            }
+        if let Some(folded_ancestors) = self.ancestors.get_mut(&entry.id)
+            && folded_ancestors.current_ancestor_depth + 1 < folded_ancestors.max_ancestor_depth()
+        {
+            folded_ancestors.current_ancestor_depth += 1;
+            cx.notify();
+            return;
         }
         let worktree_id = worktree.id();
         let expanded_dir_ids =
@@ -1114,23 +1131,23 @@ impl ProjectPanel {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(worktree_id) = self.project.read(cx).worktree_id_for_entry(entry_id, cx) {
-            if let Some(expanded_dir_ids) = self.expanded_dir_ids.get_mut(&worktree_id) {
-                self.project.update(cx, |project, cx| {
-                    match expanded_dir_ids.binary_search(&entry_id) {
-                        Ok(ix) => {
-                            expanded_dir_ids.remove(ix);
-                        }
-                        Err(ix) => {
-                            project.expand_entry(worktree_id, entry_id, cx);
-                            expanded_dir_ids.insert(ix, entry_id);
-                        }
+        if let Some(worktree_id) = self.project.read(cx).worktree_id_for_entry(entry_id, cx)
+            && let Some(expanded_dir_ids) = self.expanded_dir_ids.get_mut(&worktree_id)
+        {
+            self.project.update(cx, |project, cx| {
+                match expanded_dir_ids.binary_search(&entry_id) {
+                    Ok(ix) => {
+                        expanded_dir_ids.remove(ix);
                     }
-                });
-                self.update_visible_entries(Some((worktree_id, entry_id)), cx);
-                window.focus(&self.focus_handle);
-                cx.notify();
-            }
+                    Err(ix) => {
+                        project.expand_entry(worktree_id, entry_id, cx);
+                        expanded_dir_ids.insert(ix, entry_id);
+                    }
+                }
+            });
+            self.update_visible_entries(Some((worktree_id, entry_id)), cx);
+            window.focus(&self.focus_handle);
+            cx.notify();
         }
     }
 
@@ -1140,20 +1157,20 @@ impl ProjectPanel {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(worktree_id) = self.project.read(cx).worktree_id_for_entry(entry_id, cx) {
-            if let Some(expanded_dir_ids) = self.expanded_dir_ids.get_mut(&worktree_id) {
-                match expanded_dir_ids.binary_search(&entry_id) {
-                    Ok(_ix) => {
-                        self.collapse_all_for_entry(worktree_id, entry_id, cx);
-                    }
-                    Err(_ix) => {
-                        self.expand_all_for_entry(worktree_id, entry_id, cx);
-                    }
+        if let Some(worktree_id) = self.project.read(cx).worktree_id_for_entry(entry_id, cx)
+            && let Some(expanded_dir_ids) = self.expanded_dir_ids.get_mut(&worktree_id)
+        {
+            match expanded_dir_ids.binary_search(&entry_id) {
+                Ok(_ix) => {
+                    self.collapse_all_for_entry(worktree_id, entry_id, cx);
+                }
+                Err(_ix) => {
+                    self.expand_all_for_entry(worktree_id, entry_id, cx);
                 }
-                self.update_visible_entries(Some((worktree_id, entry_id)), cx);
-                window.focus(&self.focus_handle);
-                cx.notify();
             }
+            self.update_visible_entries(Some((worktree_id, entry_id)), cx);
+            window.focus(&self.focus_handle);
+            cx.notify();
         }
     }
 
@@ -1228,20 +1245,20 @@ impl ProjectPanel {
     }
 
     fn select_previous(&mut self, _: &SelectPrevious, window: &mut Window, cx: &mut Context<Self>) {
-        if let Some(edit_state) = &self.edit_state {
-            if edit_state.processing_filename.is_none() {
-                self.filename_editor.update(cx, |editor, cx| {
-                    editor.move_to_beginning_of_line(
-                        &editor::actions::MoveToBeginningOfLine {
-                            stop_at_soft_wraps: false,
-                            stop_at_indent: false,
-                        },
-                        window,
-                        cx,
-                    );
-                });
-                return;
-            }
+        if let Some(edit_state) = &self.edit_state
+            && edit_state.processing_filename.is_none()
+        {
+            self.filename_editor.update(cx, |editor, cx| {
+                editor.move_to_beginning_of_line(
+                    &editor::actions::MoveToBeginningOfLine {
+                        stop_at_soft_wraps: false,
+                        stop_at_indent: false,
+                    },
+                    window,
+                    cx,
+                );
+            });
+            return;
         }
         if let Some(selection) = self.selection {
             let (mut worktree_ix, mut entry_ix, _) =
@@ -1250,19 +1267,23 @@ impl ProjectPanel {
                 entry_ix -= 1;
             } else if worktree_ix > 0 {
                 worktree_ix -= 1;
-                entry_ix = self.visible_entries[worktree_ix].1.len() - 1;
+                entry_ix = self.visible_entries[worktree_ix].entries.len() - 1;
             } else {
                 return;
             }
 
-            let (worktree_id, worktree_entries, _) = &self.visible_entries[worktree_ix];
+            let VisibleEntriesForWorktree {
+                worktree_id,
+                entries,
+                ..
+            } = &self.visible_entries[worktree_ix];
             let selection = SelectedEntry {
                 worktree_id: *worktree_id,
-                entry_id: worktree_entries[entry_ix].id,
+                entry_id: entries[entry_ix].id,
             };
             self.selection = Some(selection);
             if window.modifiers().shift {
-                self.marked_entries.insert(selection);
+                self.marked_entries.push(selection);
             }
             self.autoscroll(cx);
             cx.notify();
@@ -1314,39 +1335,37 @@ impl ProjectPanel {
                 .project
                 .read(cx)
                 .worktree_for_id(edit_state.worktree_id, cx)
+                && let Some(entry) = worktree.read(cx).entry_for_id(edit_state.entry_id)
             {
-                if let Some(entry) = worktree.read(cx).entry_for_id(edit_state.entry_id) {
-                    let mut already_exists = false;
-                    if edit_state.is_new_entry() {
-                        let new_path = entry.path.join(filename.trim_start_matches('/'));
-                        if worktree
-                            .read(cx)
-                            .entry_for_path(new_path.as_path())
-                            .is_some()
-                        {
-                            already_exists = true;
-                        }
-                    } else {
-                        let new_path = if let Some(parent) = entry.path.clone().parent() {
-                            parent.join(&filename)
-                        } else {
-                            filename.clone().into()
-                        };
-                        if let Some(existing) = worktree.read(cx).entry_for_path(new_path.as_path())
-                        {
-                            if existing.id != entry.id {
-                                already_exists = true;
-                            }
-                        }
-                    };
-                    if already_exists {
-                        edit_state.validation_state = ValidationState::Error(format!(
-                            "File or directory '{}' already exists at location. Please choose a different name.",
-                            filename
-                        ));
-                        cx.notify();
-                        return;
+                let mut already_exists = false;
+                if edit_state.is_new_entry() {
+                    let new_path = entry.path.join(filename.trim_start_matches('/'));
+                    if worktree
+                        .read(cx)
+                        .entry_for_path(new_path.as_path())
+                        .is_some()
+                    {
+                        already_exists = true;
                     }
+                } else {
+                    let new_path = if let Some(parent) = entry.path.clone().parent() {
+                        parent.join(&filename)
+                    } else {
+                        filename.clone().into()
+                    };
+                    if let Some(existing) = worktree.read(cx).entry_for_path(new_path.as_path())
+                        && existing.id != entry.id
+                    {
+                        already_exists = true;
+                    }
+                };
+                if already_exists {
+                    edit_state.validation_state = ValidationState::Error(format!(
+                        "File or directory '{}' already exists at location. Please choose a different name.",
+                        filename
+                    ));
+                    cx.notify();
+                    return;
                 }
             }
             let trimmed_filename = filename.trim();
@@ -1450,14 +1469,13 @@ impl ProjectPanel {
                 }
                 Ok(CreatedEntry::Included(new_entry)) => {
                     project_panel.update( cx, |project_panel, cx| {
-                        if let Some(selection) = &mut project_panel.selection {
-                            if selection.entry_id == edited_entry_id {
+                        if let Some(selection) = &mut project_panel.selection
+                            && selection.entry_id == edited_entry_id {
                                 selection.worktree_id = worktree_id;
                                 selection.entry_id = new_entry.id;
                                 project_panel.marked_entries.clear();
                                 project_panel.expand_to_selection(cx);
                             }
-                        }
                         project_panel.update_visible_entries(None, cx);
                         if is_new_entry && !is_dir {
                             project_panel.open_entry(new_entry.id, true, false, cx);
@@ -1590,11 +1608,11 @@ impl ProjectPanel {
                         directory_id = entry.id;
                         break;
                     } else {
-                        if let Some(parent_path) = entry.path.parent() {
-                            if let Some(parent_entry) = worktree.entry_for_path(parent_path) {
-                                entry = parent_entry;
-                                continue;
-                            }
+                        if let Some(parent_path) = entry.path.parent()
+                            && let Some(parent_entry) = worktree.entry_for_path(parent_path)
+                        {
+                            entry = parent_entry;
+                            continue;
                         }
                         return;
                     }
@@ -1648,57 +1666,56 @@ impl ProjectPanel {
             worktree_id,
             entry_id,
         }) = self.selection
+            && let Some(worktree) = self.project.read(cx).worktree_for_id(worktree_id, cx)
         {
-            if let Some(worktree) = self.project.read(cx).worktree_for_id(worktree_id, cx) {
-                let sub_entry_id = self.unflatten_entry_id(entry_id);
-                if let Some(entry) = worktree.read(cx).entry_for_id(sub_entry_id) {
-                    #[cfg(target_os = "windows")]
-                    if Some(entry) == worktree.read(cx).root_entry() {
+            let sub_entry_id = self.unflatten_entry_id(entry_id);
+            if let Some(entry) = worktree.read(cx).entry_for_id(sub_entry_id) {
+                #[cfg(target_os = "windows")]
+                if Some(entry) == worktree.read(cx).root_entry() {
+                    return;
+                }
+
+                if Some(entry) == worktree.read(cx).root_entry() {
+                    let settings = ProjectPanelSettings::get_global(cx);
+                    let visible_worktrees_count =
+                        self.project.read(cx).visible_worktrees(cx).count();
+                    if settings.hide_root && visible_worktrees_count == 1 {
                         return;
                     }
-
-                    if Some(entry) == worktree.read(cx).root_entry() {
-                        let settings = ProjectPanelSettings::get_global(cx);
-                        let visible_worktrees_count =
-                            self.project.read(cx).visible_worktrees(cx).count();
-                        if settings.hide_root && visible_worktrees_count == 1 {
-                            return;
-                        }
-                    }
-
-                    self.edit_state = Some(EditState {
-                        worktree_id,
-                        entry_id: sub_entry_id,
-                        leaf_entry_id: Some(entry_id),
-                        is_dir: entry.is_dir(),
-                        processing_filename: None,
-                        previously_focused: None,
-                        depth: 0,
-                        validation_state: ValidationState::None,
-                    });
-                    let file_name = entry
-                        .path
-                        .file_name()
-                        .map(|s| s.to_string_lossy())
-                        .unwrap_or_default()
-                        .to_string();
-                    let selection = selection.unwrap_or_else(|| {
-                        let file_stem = entry.path.file_stem().map(|s| s.to_string_lossy());
-                        let selection_end =
-                            file_stem.map_or(file_name.len(), |file_stem| file_stem.len());
-                        0..selection_end
-                    });
-                    self.filename_editor.update(cx, |editor, cx| {
-                        editor.set_text(file_name, window, cx);
-                        editor.change_selections(Default::default(), window, cx, |s| {
-                            s.select_ranges([selection])
-                        });
-                        window.focus(&editor.focus_handle(cx));
-                    });
-                    self.update_visible_entries(None, cx);
-                    self.autoscroll(cx);
-                    cx.notify();
                 }
+
+                self.edit_state = Some(EditState {
+                    worktree_id,
+                    entry_id: sub_entry_id,
+                    leaf_entry_id: Some(entry_id),
+                    is_dir: entry.is_dir(),
+                    processing_filename: None,
+                    previously_focused: None,
+                    depth: 0,
+                    validation_state: ValidationState::None,
+                });
+                let file_name = entry
+                    .path
+                    .file_name()
+                    .map(|s| s.to_string_lossy())
+                    .unwrap_or_default()
+                    .to_string();
+                let selection = selection.unwrap_or_else(|| {
+                    let file_stem = entry.path.file_stem().map(|s| s.to_string_lossy());
+                    let selection_end =
+                        file_stem.map_or(file_name.len(), |file_stem| file_stem.len());
+                    0..selection_end
+                });
+                self.filename_editor.update(cx, |editor, cx| {
+                    editor.set_text(file_name, window, cx);
+                    editor.change_selections(Default::default(), window, cx, |s| {
+                        s.select_ranges([selection])
+                    });
+                    window.focus(&editor.focus_handle(cx));
+                });
+                self.update_visible_entries(None, cx);
+                self.autoscroll(cx);
+                cx.notify();
             }
         }
     }
@@ -1804,10 +1821,10 @@ impl ProjectPanel {
             };
             let next_selection = self.find_next_selection_after_deletion(items_to_delete, cx);
             cx.spawn_in(window, async move |panel, cx| {
-                if let Some(answer) = answer {
-                    if answer.await != Ok(0) {
-                        return anyhow::Ok(());
-                    }
+                if let Some(answer) = answer
+                    && answer.await != Ok(0)
+                {
+                    return anyhow::Ok(());
                 }
                 for (entry_id, _) in file_paths {
                     panel
@@ -1972,24 +1989,26 @@ impl ProjectPanel {
     }
 
     fn select_next(&mut self, _: &SelectNext, window: &mut Window, cx: &mut Context<Self>) {
-        if let Some(edit_state) = &self.edit_state {
-            if edit_state.processing_filename.is_none() {
-                self.filename_editor.update(cx, |editor, cx| {
-                    editor.move_to_end_of_line(
-                        &editor::actions::MoveToEndOfLine {
-                            stop_at_soft_wraps: false,
-                        },
-                        window,
-                        cx,
-                    );
-                });
-                return;
-            }
+        if let Some(edit_state) = &self.edit_state
+            && edit_state.processing_filename.is_none()
+        {
+            self.filename_editor.update(cx, |editor, cx| {
+                editor.move_to_end_of_line(
+                    &editor::actions::MoveToEndOfLine {
+                        stop_at_soft_wraps: false,
+                    },
+                    window,
+                    cx,
+                );
+            });
+            return;
         }
         if let Some(selection) = self.selection {
             let (mut worktree_ix, mut entry_ix, _) =
                 self.index_for_selection(selection).unwrap_or_default();
-            if let Some((_, worktree_entries, _)) = self.visible_entries.get(worktree_ix) {
+            if let Some(worktree_entries) =
+                self.visible_entries.get(worktree_ix).map(|v| &v.entries)
+            {
                 if entry_ix + 1 < worktree_entries.len() {
                     entry_ix += 1;
                 } else {
@@ -1998,21 +2017,24 @@ impl ProjectPanel {
                 }
             }
 
-            if let Some((worktree_id, worktree_entries, _)) = self.visible_entries.get(worktree_ix)
+            if let Some(VisibleEntriesForWorktree {
+                worktree_id,
+                entries,
+                ..
+            }) = self.visible_entries.get(worktree_ix)
+                && let Some(entry) = entries.get(entry_ix)
             {
-                if let Some(entry) = worktree_entries.get(entry_ix) {
-                    let selection = SelectedEntry {
-                        worktree_id: *worktree_id,
-                        entry_id: entry.id,
-                    };
-                    self.selection = Some(selection);
-                    if window.modifiers().shift {
-                        self.marked_entries.insert(selection);
-                    }
-
-                    self.autoscroll(cx);
-                    cx.notify();
+                let selection = SelectedEntry {
+                    worktree_id: *worktree_id,
+                    entry_id: entry.id,
+                };
+                self.selection = Some(selection);
+                if window.modifiers().shift {
+                    self.marked_entries.push(selection);
                 }
+
+                self.autoscroll(cx);
+                cx.notify();
             }
         } else {
             self.select_first(&SelectFirst {}, window, cx);
@@ -2236,26 +2258,35 @@ impl ProjectPanel {
     }
 
     fn select_first(&mut self, _: &SelectFirst, window: &mut Window, cx: &mut Context<Self>) {
-        if let Some((worktree_id, visible_worktree_entries, _)) = self.visible_entries.first() {
-            if let Some(entry) = visible_worktree_entries.first() {
-                let selection = SelectedEntry {
-                    worktree_id: *worktree_id,
-                    entry_id: entry.id,
-                };
-                self.selection = Some(selection);
-                if window.modifiers().shift {
-                    self.marked_entries.insert(selection);
-                }
-                self.autoscroll(cx);
-                cx.notify();
+        if let Some(VisibleEntriesForWorktree {
+            worktree_id,
+            entries,
+            ..
+        }) = self.visible_entries.first()
+            && let Some(entry) = entries.first()
+        {
+            let selection = SelectedEntry {
+                worktree_id: *worktree_id,
+                entry_id: entry.id,
+            };
+            self.selection = Some(selection);
+            if window.modifiers().shift {
+                self.marked_entries.push(selection);
             }
+            self.autoscroll(cx);
+            cx.notify();
         }
     }
 
     fn select_last(&mut self, _: &SelectLast, _: &mut Window, cx: &mut Context<Self>) {
-        if let Some((worktree_id, visible_worktree_entries, _)) = self.visible_entries.last() {
+        if let Some(VisibleEntriesForWorktree {
+            worktree_id,
+            entries,
+            ..
+        }) = self.visible_entries.last()
+        {
             let worktree = self.project.read(cx).worktree_for_id(*worktree_id, cx);
-            if let (Some(worktree), Some(entry)) = (worktree, visible_worktree_entries.last()) {
+            if let (Some(worktree), Some(entry)) = (worktree, entries.last()) {
                 let worktree = worktree.read(cx);
                 if let Some(entry) = worktree.entry_for_id(entry.id) {
                     let selection = SelectedEntry {
@@ -2480,7 +2511,7 @@ impl ProjectPanel {
 
             if clip_is_cut {
                 // Convert the clipboard cut entry to a copy entry after the first paste.
-                self.clipboard = self.clipboard.take().map(ClipboardEntry::to_copy_entry);
+                self.clipboard = self.clipboard.take().map(ClipboardEntry::into_copy_entry);
             }
 
             self.expand_entry(worktree_id, entry.id, cx);
@@ -2572,6 +2603,43 @@ impl ProjectPanel {
         }
     }
 
+    fn file_abs_paths_to_diff(&self, cx: &Context<Self>) -> Option<(PathBuf, PathBuf)> {
+        let mut selections_abs_path = self
+            .marked_entries
+            .iter()
+            .filter_map(|entry| {
+                let project = self.project.read(cx);
+                let worktree = project.worktree_for_id(entry.worktree_id, cx)?;
+                let entry = worktree.read(cx).entry_for_id(entry.entry_id)?;
+                if !entry.is_file() {
+                    return None;
+                }
+                worktree.read(cx).absolutize(&entry.path).ok()
+            })
+            .rev();
+
+        let last_path = selections_abs_path.next()?;
+        let previous_to_last = selections_abs_path.next()?;
+        Some((previous_to_last, last_path))
+    }
+
+    fn compare_marked_files(
+        &mut self,
+        _: &CompareMarkedFiles,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let selected_files = self.file_abs_paths_to_diff(cx);
+        if let Some((file_path1, file_path2)) = selected_files {
+            self.workspace
+                .update(cx, |workspace, cx| {
+                    FileDiffView::open(file_path1, file_path2, workspace, window, cx)
+                        .detach_and_log_err(cx);
+                })
+                .ok();
+        }
+    }
+
     fn open_system(&mut self, _: &OpenWithSystem, _: &mut Window, cx: &mut Context<Self>) {
         if let Some((worktree, entry)) = self.selected_entry(cx) {
             let abs_path = worktree.abs_path().join(&entry.path);
@@ -2708,7 +2776,7 @@ impl ProjectPanel {
 
         let destination_worktree = self.project.update(cx, |project, cx| {
             let entry_path = project.path_for_entry(entry_to_move, cx)?;
-            let destination_entry_path = project.path_for_entry(destination, cx)?.path.clone();
+            let destination_entry_path = project.path_for_entry(destination, cx)?.path;
 
             let mut destination_path = destination_entry_path.as_ref();
             if destination_is_file {
@@ -2867,10 +2935,10 @@ impl ProjectPanel {
             let Some(entry) = worktree.entry_for_path(path) else {
                 continue;
             };
-            if entry.is_dir() {
-                if let Err(idx) = expanded_dir_ids.binary_search(&entry.id) {
-                    expanded_dir_ids.insert(idx, entry.id);
-                }
+            if entry.is_dir()
+                && let Err(idx) = expanded_dir_ids.binary_search(&entry.id)
+            {
+                expanded_dir_ids.insert(idx, entry.id);
             }
         }
 
@@ -2907,6 +2975,7 @@ impl ProjectPanel {
         new_selected_entry: Option<(WorktreeId, ProjectEntryId)>,
         cx: &mut Context<Self>,
     ) {
+        let now = Instant::now();
         let settings = ProjectPanelSettings::get_global(cx);
         let auto_collapse_dirs = settings.auto_fold_dirs;
         let hide_gitignore = settings.hide_gitignore;
@@ -2943,15 +3012,16 @@ impl ProjectPanel {
 
             let mut new_entry_parent_id = None;
             let mut new_entry_kind = EntryKind::Dir;
-            if let Some(edit_state) = &self.edit_state {
-                if edit_state.worktree_id == worktree_id && edit_state.is_new_entry() {
-                    new_entry_parent_id = Some(edit_state.entry_id);
-                    new_entry_kind = if edit_state.is_dir {
-                        EntryKind::Dir
-                    } else {
-                        EntryKind::File
-                    };
-                }
+            if let Some(edit_state) = &self.edit_state
+                && edit_state.worktree_id == worktree_id
+                && edit_state.is_new_entry()
+            {
+                new_entry_parent_id = Some(edit_state.entry_id);
+                new_entry_kind = if edit_state.is_dir {
+                    EntryKind::Dir
+                } else {
+                    EntryKind::File
+                };
             }
 
             let mut visible_worktree_entries = Vec::new();
@@ -2962,7 +3032,7 @@ impl ProjectPanel {
                 if hide_root && Some(entry.entry) == worktree.read(cx).root_entry() {
                     if new_entry_parent_id == Some(entry.id) {
                         visible_worktree_entries.push(Self::create_new_git_entry(
-                            &entry.entry,
+                            entry.entry,
                             entry.git_summary,
                             new_entry_kind,
                         ));
@@ -2973,19 +3043,18 @@ impl ProjectPanel {
                 }
                 if auto_collapse_dirs && entry.kind.is_dir() {
                     auto_folded_ancestors.push(entry.id);
-                    if !self.unfolded_dir_ids.contains(&entry.id) {
-                        if let Some(root_path) = worktree_snapshot.root_entry() {
-                            let mut child_entries = worktree_snapshot.child_entries(&entry.path);
-                            if let Some(child) = child_entries.next() {
-                                if entry.path != root_path.path
-                                    && child_entries.next().is_none()
-                                    && child.kind.is_dir()
-                                {
-                                    entry_iter.advance();
+                    if !self.unfolded_dir_ids.contains(&entry.id)
+                        && let Some(root_path) = worktree_snapshot.root_entry()
+                    {
+                        let mut child_entries = worktree_snapshot.child_entries(&entry.path);
+                        if let Some(child) = child_entries.next()
+                            && entry.path != root_path.path
+                            && child_entries.next().is_none()
+                            && child.kind.is_dir()
+                        {
+                            entry_iter.advance();
 
-                                    continue;
-                                }
-                            }
+                            continue;
                         }
                     }
                     let depth = old_ancestors
@@ -2993,10 +3062,10 @@ impl ProjectPanel {
                         .map(|ancestor| ancestor.current_ancestor_depth)
                         .unwrap_or_default()
                         .min(auto_folded_ancestors.len());
-                    if let Some(edit_state) = &mut self.edit_state {
-                        if edit_state.entry_id == entry.id {
-                            edit_state.depth = depth;
-                        }
+                    if let Some(edit_state) = &mut self.edit_state
+                        && edit_state.entry_id == entry.id
+                    {
+                        edit_state.depth = depth;
                     }
                     let mut ancestors = std::mem::take(&mut auto_folded_ancestors);
                     if ancestors.len() > 1 {
@@ -3018,14 +3087,14 @@ impl ProjectPanel {
                     entry.id == new_entry_id || {
                         self.ancestors
                             .get(&entry.id)
-                            .map_or(false, |entries| entries.ancestors.contains(&new_entry_id))
+                            .is_some_and(|entries| entries.ancestors.contains(&new_entry_id))
                     }
                 } else {
                     false
                 };
                 if precedes_new_entry && (!hide_gitignore || !entry.is_ignored) {
                     visible_worktree_entries.push(Self::create_new_git_entry(
-                        &entry.entry,
+                        entry.entry,
                         entry.git_summary,
                         new_entry_kind,
                     ));
@@ -3104,19 +3173,23 @@ impl ProjectPanel {
 
             project::sort_worktree_entries(&mut visible_worktree_entries);
 
-            self.visible_entries
-                .push((worktree_id, visible_worktree_entries, OnceCell::new()));
+            self.visible_entries.push(VisibleEntriesForWorktree {
+                worktree_id,
+                entries: visible_worktree_entries,
+                index: OnceCell::new(),
+            })
         }
 
         if let Some((project_entry_id, worktree_id, _)) = max_width_item {
             let mut visited_worktrees_length = 0;
-            let index = self.visible_entries.iter().find_map(|(id, entries, _)| {
-                if worktree_id == *id {
-                    entries
+            let index = self.visible_entries.iter().find_map(|visible_entries| {
+                if worktree_id == visible_entries.worktree_id {
+                    visible_entries
+                        .entries
                         .iter()
                         .position(|entry| entry.id == project_entry_id)
                 } else {
-                    visited_worktrees_length += entries.len();
+                    visited_worktrees_length += visible_entries.entries.len();
                     None
                 }
             });
@@ -3130,6 +3203,18 @@ impl ProjectPanel {
                 entry_id,
             });
         }
+        let elapsed = now.elapsed();
+        if self.last_reported_update.elapsed() > Duration::from_secs(3600) {
+            telemetry::event!(
+                "Project Panel Updated",
+                elapsed_ms = elapsed.as_millis() as u64,
+                worktree_entries = self
+                    .visible_entries
+                    .iter()
+                    .map(|worktree| worktree.entries.len())
+                    .sum::<usize>(),
+            )
+        }
     }
 
     fn expand_entry(
@@ -3217,11 +3302,10 @@ impl ProjectPanel {
                             )
                     })?.await?;
 
-                    if answer == 1 {
-                        if let Some(item_idx) = paths.iter().position(|p| p == original_path) {
+                    if answer == 1
+                        && let Some(item_idx) = paths.iter().position(|p| p == original_path) {
                             paths.remove(item_idx);
                         }
-                    }
                 }
 
                 if paths.is_empty() {
@@ -3343,15 +3427,14 @@ impl ProjectPanel {
         worktree_id: WorktreeId,
     ) -> Option<(usize, usize, usize)> {
         let mut total_ix = 0;
-        for (worktree_ix, (current_worktree_id, visible_worktree_entries, _)) in
-            self.visible_entries.iter().enumerate()
-        {
-            if worktree_id != *current_worktree_id {
-                total_ix += visible_worktree_entries.len();
+        for (worktree_ix, visible) in self.visible_entries.iter().enumerate() {
+            if worktree_id != visible.worktree_id {
+                total_ix += visible.entries.len();
                 continue;
             }
 
-            return visible_worktree_entries
+            return visible
+                .entries
                 .iter()
                 .enumerate()
                 .find(|(_, entry)| entry.id == entry_id)
@@ -3362,12 +3445,13 @@ impl ProjectPanel {
 
     fn entry_at_index(&self, index: usize) -> Option<(WorktreeId, GitEntryRef<'_>)> {
         let mut offset = 0;
-        for (worktree_id, visible_worktree_entries, _) in &self.visible_entries {
-            let current_len = visible_worktree_entries.len();
+        for worktree in &self.visible_entries {
+            let current_len = worktree.entries.len();
             if index < offset + current_len {
-                return visible_worktree_entries
+                return worktree
+                    .entries
                     .get(index - offset)
-                    .map(|entry| (*worktree_id, entry.to_ref()));
+                    .map(|entry| (worktree.worktree_id, entry.to_ref()));
             }
             offset += current_len;
         }
@@ -3388,28 +3472,25 @@ impl ProjectPanel {
         ),
     ) {
         let mut ix = 0;
-        for (_, visible_worktree_entries, entries_paths) in &self.visible_entries {
+        for visible in &self.visible_entries {
             if ix >= range.end {
                 return;
             }
 
-            if ix + visible_worktree_entries.len() <= range.start {
-                ix += visible_worktree_entries.len();
+            if ix + visible.entries.len() <= range.start {
+                ix += visible.entries.len();
                 continue;
             }
 
-            let end_ix = range.end.min(ix + visible_worktree_entries.len());
+            let end_ix = range.end.min(ix + visible.entries.len());
             let entry_range = range.start.saturating_sub(ix)..end_ix - ix;
-            let entries = entries_paths.get_or_init(|| {
-                visible_worktree_entries
-                    .iter()
-                    .map(|e| (e.path.clone()))
-                    .collect()
-            });
+            let entries = visible
+                .index
+                .get_or_init(|| visible.entries.iter().map(|e| (e.path.clone())).collect());
             let base_index = ix + entry_range.start;
-            for (i, entry) in visible_worktree_entries[entry_range].iter().enumerate() {
+            for (i, entry) in visible.entries[entry_range].iter().enumerate() {
                 let global_index = base_index + i;
-                callback(&entry, global_index, entries, window, cx);
+                callback(entry, global_index, entries, window, cx);
             }
             ix = end_ix;
         }
@@ -3423,40 +3504,41 @@ impl ProjectPanel {
         mut callback: impl FnMut(ProjectEntryId, EntryDetails, &mut Window, &mut Context<ProjectPanel>),
     ) {
         let mut ix = 0;
-        for (worktree_id, visible_worktree_entries, entries_paths) in &self.visible_entries {
+        for visible in &self.visible_entries {
             if ix >= range.end {
                 return;
             }
 
-            if ix + visible_worktree_entries.len() <= range.start {
-                ix += visible_worktree_entries.len();
+            if ix + visible.entries.len() <= range.start {
+                ix += visible.entries.len();
                 continue;
             }
 
-            let end_ix = range.end.min(ix + visible_worktree_entries.len());
+            let end_ix = range.end.min(ix + visible.entries.len());
             let git_status_setting = {
                 let settings = ProjectPanelSettings::get_global(cx);
                 settings.git_status
             };
-            if let Some(worktree) = self.project.read(cx).worktree_for_id(*worktree_id, cx) {
+            if let Some(worktree) = self
+                .project
+                .read(cx)
+                .worktree_for_id(visible.worktree_id, cx)
+            {
                 let snapshot = worktree.read(cx).snapshot();
                 let root_name = OsStr::new(snapshot.root_name());
 
                 let entry_range = range.start.saturating_sub(ix)..end_ix - ix;
-                let entries = entries_paths.get_or_init(|| {
-                    visible_worktree_entries
-                        .iter()
-                        .map(|e| (e.path.clone()))
-                        .collect()
-                });
-                for entry in visible_worktree_entries[entry_range].iter() {
+                let entries = visible
+                    .index
+                    .get_or_init(|| visible.entries.iter().map(|e| (e.path.clone())).collect());
+                for entry in visible.entries[entry_range].iter() {
                     let status = git_status_setting
                         .then_some(entry.git_summary)
                         .unwrap_or_default();
 
                     let mut details = self.details_for_entry(
                         entry,
-                        *worktree_id,
+                        visible.worktree_id,
                         root_name,
                         entries,
                         status,
@@ -3503,7 +3585,7 @@ impl ProjectPanel {
                                         previous_components.next();
                                     }
 
-                                    if let Some(_) = suffix_components {
+                                    if suffix_components.is_some() {
                                         new_path.push(previous_components);
                                     }
                                     if let Some(str) = new_path.to_str() {
@@ -3542,9 +3624,9 @@ impl ProjectPanel {
             let entries = self
                 .visible_entries
                 .iter()
-                .find_map(|(tree_id, entries, _)| {
-                    if worktree_id == *tree_id {
-                        Some(entries)
+                .find_map(|visible| {
+                    if worktree_id == visible.worktree_id {
+                        Some(&visible.entries)
                     } else {
                         None
                     }
@@ -3583,7 +3665,7 @@ impl ProjectPanel {
         let mut worktree_ids: Vec<_> = self
             .visible_entries
             .iter()
-            .map(|(worktree_id, _, _)| *worktree_id)
+            .map(|worktree| worktree.worktree_id)
             .collect();
         let repo_snapshots = self
             .project
@@ -3699,7 +3781,7 @@ impl ProjectPanel {
         let mut worktree_ids: Vec<_> = self
             .visible_entries
             .iter()
-            .map(|(worktree_id, _, _)| *worktree_id)
+            .map(|worktree| worktree.worktree_id)
             .collect();
 
         let mut last_found: Option<SelectedEntry> = None;
@@ -3708,8 +3790,8 @@ impl ProjectPanel {
             let entries = self
                 .visible_entries
                 .iter()
-                .find(|(worktree_id, _, _)| *worktree_id == start.worktree_id)
-                .map(|(_, entries, _)| entries)?;
+                .find(|worktree| worktree.worktree_id == start.worktree_id)
+                .map(|worktree| &worktree.entries)?;
 
             let mut start_idx = entries
                 .iter()
@@ -3812,14 +3894,12 @@ impl ProjectPanel {
         // Always highlight directory or parent directory if it's file
         if target_entry.is_dir() {
             Some(target_entry.id)
-        } else if let Some(parent_entry) = target_entry
-            .path
-            .parent()
-            .and_then(|parent_path| target_worktree.entry_for_path(parent_path))
-        {
-            Some(parent_entry.id)
         } else {
-            None
+            target_entry
+                .path
+                .parent()
+                .and_then(|parent_path| target_worktree.entry_for_path(parent_path))
+                .map(|parent_entry| parent_entry.id)
         }
     }
 
@@ -3856,12 +3936,10 @@ impl ProjectPanel {
         // Always highlight directory or parent directory if it's file
         if target_entry.is_dir() {
             Some(target_entry.id)
-        } else if let Some(parent_entry) =
-            target_parent_path.and_then(|parent_path| target_worktree.entry_for_path(parent_path))
-        {
-            Some(parent_entry.id)
         } else {
-            None
+            target_parent_path
+                .and_then(|parent_path| target_worktree.entry_for_path(parent_path))
+                .map(|parent_entry| parent_entry.id)
         }
     }
 
@@ -3888,7 +3966,7 @@ impl ProjectPanel {
         let is_marked = self.marked_entries.contains(&selection);
         let is_active = self
             .selection
-            .map_or(false, |selection| selection.entry_id == entry_id);
+            .is_some_and(|selection| selection.entry_id == entry_id);
 
         let file_name = details.filename.clone();
 
@@ -3914,11 +3992,9 @@ impl ProjectPanel {
 
         let depth = details.depth;
         let worktree_id = details.worktree_id;
-        let selections = Arc::new(self.marked_entries.clone());
-
         let dragged_selection = DraggedSelection {
             active_selection: selection,
-            marked_selections: selections,
+            marked_selections: Arc::from(self.marked_entries.clone()),
         };
 
         let bg_color = if is_marked {
@@ -3939,8 +4015,8 @@ impl ProjectPanel {
                 .as_ref()
                 .map_or(ValidationState::None, |e| e.validation_state.clone())
             {
-                ValidationState::Error(msg) => Some((Color::Error.color(cx), msg.clone())),
-                ValidationState::Warning(msg) => Some((Color::Warning.color(cx), msg.clone())),
+                ValidationState::Error(msg) => Some((Color::Error.color(cx), msg)),
+                ValidationState::Warning(msg) => Some((Color::Warning.color(cx), msg)),
                 ValidationState::None => None,
             }
         } else {
@@ -4013,6 +4089,7 @@ impl ProjectPanel {
             .when(!is_sticky, |this| {
                 this
                 .when(is_highlighted && folded_directory_drag_target.is_none(), |this| this.border_color(transparent_white()).bg(item_colors.drag_over))
+                .when(settings.drag_and_drop, |this| this
                 .on_drag_move::<ExternalPaths>(cx.listener(
                     move |this, event: &DragMoveEvent<ExternalPaths>, _, cx| {
                         let is_current_target = this.drag_target_entry.as_ref()
@@ -4089,7 +4166,7 @@ impl ProjectPanel {
                         });
                         if drag_state.items().count() == 1 {
                             this.marked_entries.clear();
-                            this.marked_entries.insert(drag_state.active_selection);
+                            this.marked_entries.push(drag_state.active_selection);
                         }
                         this.hover_expand_task.take();
 
@@ -4097,7 +4174,7 @@ impl ProjectPanel {
                             || this
                                 .expanded_dir_ids
                                 .get(&details.worktree_id)
-                                .map_or(false, |ids| ids.binary_search(&entry_id).is_ok())
+                                .is_some_and(|ids| ids.binary_search(&entry_id).is_ok())
                         {
                             return;
                         }
@@ -4146,7 +4223,7 @@ impl ProjectPanel {
                         }
                         this.drag_onto(selections, entry_id, kind.is_file(), window, cx);
                     }),
-                )
+                ))
             })
             .on_mouse_down(
                 MouseButton::Left,
@@ -4156,66 +4233,69 @@ impl ProjectPanel {
                 }),
             )
             .on_click(
-                cx.listener(move |this, event: &gpui::ClickEvent, window, cx| {
-                    if event.down.button == MouseButton::Right
-                        || event.down.first_mouse
+                cx.listener(move |project_panel, event: &gpui::ClickEvent, window, cx| {
+                    if event.is_right_click() || event.first_focus()
                         || show_editor
                     {
                         return;
                     }
-                    if event.down.button == MouseButton::Left {
-                        this.mouse_down = false;
+                    if event.standard_click() {
+                        project_panel.mouse_down = false;
                     }
                     cx.stop_propagation();
 
-                    if let Some(selection) = this.selection.filter(|_| event.modifiers().shift) {
-                        let current_selection = this.index_for_selection(selection);
+                    if let Some(selection) = project_panel.selection.filter(|_| event.modifiers().shift) {
+                        let current_selection = project_panel.index_for_selection(selection);
                         let clicked_entry = SelectedEntry {
                             entry_id,
                             worktree_id,
                         };
-                        let target_selection = this.index_for_selection(clicked_entry);
+                        let target_selection = project_panel.index_for_selection(clicked_entry);
                         if let Some(((_, _, source_index), (_, _, target_index))) =
                             current_selection.zip(target_selection)
                         {
                             let range_start = source_index.min(target_index);
                             let range_end = source_index.max(target_index) + 1;
-                            let mut new_selections = BTreeSet::new();
-                            this.for_each_visible_entry(
+                            let mut new_selections = Vec::new();
+                            project_panel.for_each_visible_entry(
                                 range_start..range_end,
                                 window,
                                 cx,
                                 |entry_id, details, _, _| {
-                                    new_selections.insert(SelectedEntry {
+                                    new_selections.push(SelectedEntry {
                                         entry_id,
                                         worktree_id: details.worktree_id,
                                     });
                                 },
                             );
 
-                            this.marked_entries = this
-                                .marked_entries
-                                .union(&new_selections)
-                                .cloned()
-                                .collect();
+                            for selection in &new_selections {
+                                if !project_panel.marked_entries.contains(selection) {
+                                    project_panel.marked_entries.push(*selection);
+                                }
+                            }
 
-                            this.selection = Some(clicked_entry);
-                            this.marked_entries.insert(clicked_entry);
+                            project_panel.selection = Some(clicked_entry);
+                            if !project_panel.marked_entries.contains(&clicked_entry) {
+                                project_panel.marked_entries.push(clicked_entry);
+                            }
                         }
                     } else if event.modifiers().secondary() {
-                        if event.down.click_count > 1 {
-                            this.split_entry(entry_id, cx);
+                        if event.click_count() > 1 {
+                            project_panel.split_entry(entry_id, cx);
                         } else {
-                            this.selection = Some(selection);
-                            if !this.marked_entries.insert(selection) {
-                                this.marked_entries.remove(&selection);
+                            project_panel.selection = Some(selection);
+                            if let Some(position) = project_panel.marked_entries.iter().position(|e| *e == selection) {
+                                project_panel.marked_entries.remove(position);
+                            } else {
+                                project_panel.marked_entries.push(selection);
                             }
                         }
                     } else if kind.is_dir() {
-                        this.marked_entries.clear();
-                        if is_sticky {
-                            if let Some((_, _, index)) = this.index_for_entry(entry_id, worktree_id) {
-                                this.scroll_handle.scroll_to_item_with_offset(index, ScrollStrategy::Top, sticky_index.unwrap_or(0));
+                        project_panel.marked_entries.clear();
+                        if is_sticky
+                            && let Some((_, _, index)) = project_panel.index_for_entry(entry_id, worktree_id) {
+                                project_panel.scroll_handle.scroll_to_item_with_offset(index, ScrollStrategy::Top, sticky_index.unwrap_or(0));
                                 cx.notify();
                                 // move down by 1px so that clicked item
                                 // don't count as sticky anymore
@@ -4229,18 +4309,17 @@ impl ProjectPanel {
                                 });
                                 return;
                             }
-                        }
                         if event.modifiers().alt {
-                            this.toggle_expand_all(entry_id, window, cx);
+                            project_panel.toggle_expand_all(entry_id, window, cx);
                         } else {
-                            this.toggle_expanded(entry_id, window, cx);
+                            project_panel.toggle_expanded(entry_id, window, cx);
                         }
                     } else {
                         let preview_tabs_enabled = PreviewTabsSettings::get_global(cx).enabled;
-                        let click_count = event.up.click_count;
+                        let click_count = event.click_count();
                         let focus_opened_item = !preview_tabs_enabled || click_count > 1;
                         let allow_preview = preview_tabs_enabled && click_count == 1;
-                        this.open_entry(entry_id, focus_opened_item, allow_preview, cx);
+                        project_panel.open_entry(entry_id, focus_opened_item, allow_preview, cx);
                     }
                 }),
             )
@@ -4315,19 +4394,17 @@ impl ProjectPanel {
                         } else {
                             h_flex().child(Icon::from_path(icon.to_string()).color(Color::Muted))
                         }
+                    } else if let Some((icon_name, color)) =
+                        entry_diagnostic_aware_icon_name_and_color(diagnostic_severity)
+                    {
+                        h_flex()
+                            .size(IconSize::default().rems())
+                            .child(Icon::new(icon_name).color(color).size(IconSize::Small))
                     } else {
-                        if let Some((icon_name, color)) =
-                            entry_diagnostic_aware_icon_name_and_color(diagnostic_severity)
-                        {
-                            h_flex()
-                                .size(IconSize::default().rems())
-                                .child(Icon::new(icon_name).color(color).size(IconSize::Small))
-                        } else {
-                            h_flex()
-                                .size(IconSize::default().rems())
-                                .invisible()
-                                .flex_none()
-                        }
+                        h_flex()
+                            .size(IconSize::default().rems())
+                            .invisible()
+                            .flex_none()
                     })
                     .child(
                         if let (Some(editor), true) = (Some(&self.filename_editor), show_editor) {
@@ -4338,9 +4415,7 @@ impl ProjectPanel {
                                     let components = Path::new(&file_name)
                                         .components()
                                         .map(|comp| {
-                                            let comp_str =
-                                                comp.as_os_str().to_string_lossy().into_owned();
-                                            comp_str
+                                            comp.as_os_str().to_string_lossy().into_owned()
                                         })
                                         .collect::<Vec<_>>();
 
@@ -4359,6 +4434,7 @@ impl ProjectPanel {
                                                     div()
                                                     .when(!is_sticky, |div| {
                                                         div
+                                                            .when(settings.drag_and_drop, |div| div
                                                             .on_drop(cx.listener(move |this, selections: &DraggedSelection, window, cx| {
                                                             this.hover_scroll_task.take();
                                                             this.drag_target_entry = None;
@@ -4379,7 +4455,7 @@ impl ProjectPanel {
                                                                     );
                                                                 } else {
                                                                     let is_current_target = this.folded_directory_drag_target
-                                                                        .map_or(false, |target|
+                                                                        .is_some_and(|target|
                                                                             target.entry_id == entry_id &&
                                                                             target.index == delimiter_target_index &&
                                                                             target.is_delimiter_target
@@ -4390,7 +4466,7 @@ impl ProjectPanel {
                                                                 }
 
                                                             },
-                                                        ))
+                                                        )))
                                                     })
                                                     .child(
                                                         Label::new(DELIMITER.clone())
@@ -4410,6 +4486,7 @@ impl ProjectPanel {
                                                 .when(index != components_len - 1, |div|{
                                                     let target_entry_id = folded_ancestors.ancestors.get(components_len - 1 - index).cloned();
                                                     div
+                                                    .when(settings.drag_and_drop, |div| div
                                                     .on_drag_move(cx.listener(
                                                         move |this, event: &DragMoveEvent<DraggedSelection>, _, _| {
                                                         if event.bounds.contains(&event.event.position) {
@@ -4423,7 +4500,7 @@ impl ProjectPanel {
                                                             } else {
                                                                 let is_current_target = this.folded_directory_drag_target
                                                                     .as_ref()
-                                                                    .map_or(false, |target|
+                                                                    .is_some_and(|target|
                                                                         target.entry_id == entry_id &&
                                                                         target.index == index &&
                                                                         !target.is_delimiter_target
@@ -4442,24 +4519,23 @@ impl ProjectPanel {
                                                             this.drag_onto(selections, target_entry_id, kind.is_file(), window, cx);
                                                         }
                                                     }))
-                                                    .when(folded_directory_drag_target.map_or(false, |target|
+                                                    .when(folded_directory_drag_target.is_some_and(|target|
                                                         target.entry_id == entry_id &&
                                                         target.index == index
                                                     ), |this| {
                                                         this.bg(item_colors.drag_over)
-                                                    })
+                                                    }))
                                                 })
                                             })
                                             .on_click(cx.listener(move |this, _, _, cx| {
-                                                if index != active_index {
-                                                    if let Some(folds) =
+                                                if index != active_index
+                                                    && let Some(folds) =
                                                         this.ancestors.get_mut(&entry_id)
                                                     {
                                                         folds.current_ancestor_depth =
                                                             components_len - 1 - index;
                                                         cx.notify();
                                                     }
-                                                }
                                             }))
                                             .child(
                                                 Label::new(component)
@@ -4573,7 +4649,7 @@ impl ProjectPanel {
         };
 
         let (depth, difference) =
-            ProjectPanel::calculate_depth_and_difference(&entry, entries_paths);
+            ProjectPanel::calculate_depth_and_difference(entry, entries_paths);
 
         let filename = match difference {
             diff if diff > 1 => entry
@@ -4609,7 +4685,7 @@ impl ProjectPanel {
         let is_cut = self
             .clipboard
             .as_ref()
-            .map_or(false, |e| e.is_cut() && e.items().contains(&selection));
+            .is_some_and(|e| e.is_cut() && e.items().contains(&selection));
 
         EntryDetails {
             filename,
@@ -4807,16 +4883,25 @@ impl ProjectPanel {
         if skip_ignored
             && worktree
                 .entry_for_id(entry_id)
-                .map_or(true, |entry| entry.is_ignored && !entry.is_always_included)
+                .is_none_or(|entry| entry.is_ignored && !entry.is_always_included)
         {
             anyhow::bail!("can't reveal an ignored entry in the project panel");
         }
+        let is_active_item_file_diff_view = self
+            .workspace
+            .upgrade()
+            .and_then(|ws| ws.read(cx).active_item(cx))
+            .map(|item| item.act_as_type(TypeId::of::<FileDiffView>(), cx).is_some())
+            .unwrap_or(false);
+        if is_active_item_file_diff_view {
+            return Ok(());
+        }
 
         let worktree_id = worktree.id();
         self.expand_entry(worktree_id, entry_id, cx);
         self.update_visible_entries(Some((worktree_id, entry_id)), cx);
         self.marked_entries.clear();
-        self.marked_entries.insert(SelectedEntry {
+        self.marked_entries.push(SelectedEntry {
             worktree_id,
             entry_id,
         });
@@ -4851,7 +4936,7 @@ impl ProjectPanel {
 
         let (active_indent_range, depth) = {
             let (worktree_ix, child_offset, ix) = self.index_for_entry(entry.id, worktree.id())?;
-            let child_paths = &self.visible_entries[worktree_ix].1;
+            let child_paths = &self.visible_entries[worktree_ix].entries;
             let mut child_count = 0;
             let depth = entry.path.ancestors().count();
             while let Some(entry) = child_paths.get(child_offset + child_count + 1) {
@@ -4864,9 +4949,14 @@ impl ProjectPanel {
             let start = ix + 1;
             let end = start + child_count;
 
-            let (_, entries, paths) = &self.visible_entries[worktree_ix];
-            let visible_worktree_entries =
-                paths.get_or_init(|| entries.iter().map(|e| (e.path.clone())).collect());
+            let visible_worktree = &self.visible_entries[worktree_ix];
+            let visible_worktree_entries = visible_worktree.index.get_or_init(|| {
+                visible_worktree
+                    .entries
+                    .iter()
+                    .map(|e| (e.path.clone()))
+                    .collect()
+            });
 
             // Calculate the actual depth of the entry, taking into account that directories can be auto-folded.
             let (depth, _) = Self::calculate_depth_and_difference(entry, visible_worktree_entries);
@@ -4901,10 +4991,10 @@ impl ProjectPanel {
             return SmallVec::new();
         };
 
-        let Some((_, visible_worktree_entries, entries_paths)) = self
+        let Some(visible) = self
             .visible_entries
             .iter()
-            .find(|(id, _, _)| *id == worktree_id)
+            .find(|worktree| worktree.worktree_id == worktree_id)
         else {
             return SmallVec::new();
         };
@@ -4914,12 +5004,9 @@ impl ProjectPanel {
         };
         let worktree = worktree.read(cx).snapshot();
 
-        let paths = entries_paths.get_or_init(|| {
-            visible_worktree_entries
-                .iter()
-                .map(|e| e.path.clone())
-                .collect()
-        });
+        let paths = visible
+            .index
+            .get_or_init(|| visible.entries.iter().map(|e| e.path.clone()).collect());
 
         let mut sticky_parents = Vec::new();
         let mut current_path = entry_ref.path.clone();
@@ -4927,12 +5014,12 @@ impl ProjectPanel {
         'outer: loop {
             if let Some(parent_path) = current_path.parent() {
                 for ancestor_path in parent_path.ancestors() {
-                    if paths.contains(ancestor_path) {
-                        if let Some(parent_entry) = worktree.entry_for_path(ancestor_path) {
-                            sticky_parents.push(parent_entry.clone());
-                            current_path = parent_entry.path.clone();
-                            continue 'outer;
-                        }
+                    if paths.contains(ancestor_path)
+                        && let Some(parent_entry) = worktree.entry_for_path(ancestor_path)
+                    {
+                        sticky_parents.push(parent_entry.clone());
+                        current_path = parent_entry.path.clone();
+                        continue 'outer;
                     }
                 }
             }
@@ -4945,11 +5032,13 @@ impl ProjectPanel {
 
         sticky_parents.reverse();
 
-        let git_status_enabled = ProjectPanelSettings::get_global(cx).git_status;
+        let panel_settings = ProjectPanelSettings::get_global(cx);
+        let git_status_enabled = panel_settings.git_status;
         let root_name = OsStr::new(worktree.root_name());
 
         let git_summaries_by_id = if git_status_enabled {
-            visible_worktree_entries
+            visible
+                .entries
                 .iter()
                 .map(|e| (e.id, e.git_summary))
                 .collect::<HashMap<_, _>>()
@@ -5028,11 +5117,11 @@ impl Render for ProjectPanel {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let has_worktree = !self.visible_entries.is_empty();
         let project = self.project.read(cx);
-        let indent_size = ProjectPanelSettings::get_global(cx).indent_size;
-        let show_indent_guides =
-            ProjectPanelSettings::get_global(cx).indent_guides.show == ShowIndentGuides::Always;
+        let panel_settings = ProjectPanelSettings::get_global(cx);
+        let indent_size = panel_settings.indent_size;
+        let show_indent_guides = panel_settings.indent_guides.show == ShowIndentGuides::Always;
         let show_sticky_entries = {
-            if ProjectPanelSettings::get_global(cx).sticky_scroll {
+            if panel_settings.sticky_scroll {
                 let is_scrollable = self.scroll_handle.is_scrollable();
                 let is_scrolled = self.scroll_handle.offset().y < px(0.);
                 is_scrollable && is_scrolled
@@ -5047,7 +5136,7 @@ impl Render for ProjectPanel {
             let item_count = self
                 .visible_entries
                 .iter()
-                .map(|(_, worktree_entries, _)| worktree_entries.len())
+                .map(|worktree| worktree.entries.len())
                 .sum();
 
             fn handle_drag_move<T: 'static>(
@@ -5120,8 +5209,10 @@ impl Render for ProjectPanel {
             h_flex()
                 .id("project-panel")
                 .group("project-panel")
-                .on_drag_move(cx.listener(handle_drag_move::<ExternalPaths>))
-                .on_drag_move(cx.listener(handle_drag_move::<DraggedSelection>))
+                .when(panel_settings.drag_and_drop, |this| {
+                    this.on_drag_move(cx.listener(handle_drag_move::<ExternalPaths>))
+                        .on_drag_move(cx.listener(handle_drag_move::<DraggedSelection>))
+                })
                 .size_full()
                 .relative()
                 .on_modifiers_changed(cx.listener(
@@ -5138,7 +5229,10 @@ impl Render for ProjectPanel {
                         this.hide_scrollbar(window, cx);
                     }
                 }))
-                .on_click(cx.listener(|this, _event, _, cx| {
+                .on_click(cx.listener(|this, event, _, cx| {
+                    if matches!(event, gpui::ClickEvent::Keyboard(_)) {
+                        return;
+                    }
                     cx.stop_propagation();
                     this.selection = None;
                     this.marked_entries.clear();
@@ -5168,6 +5262,7 @@ impl Render for ProjectPanel {
                 .on_action(cx.listener(Self::unfold_directory))
                 .on_action(cx.listener(Self::fold_directory))
                 .on_action(cx.listener(Self::remove_from_project))
+                .on_action(cx.listener(Self::compare_marked_files))
                 .when(!project.is_read_only(cx), |el| {
                     el.on_action(cx.listener(Self::new_file))
                         .on_action(cx.listener(Self::new_directory))
@@ -5179,25 +5274,25 @@ impl Render for ProjectPanel {
                         .on_action(cx.listener(Self::paste))
                         .on_action(cx.listener(Self::duplicate))
                         .on_click(cx.listener(|this, event: &gpui::ClickEvent, window, cx| {
-                            if event.up.click_count > 1 {
-                                if let Some(entry_id) = this.last_worktree_root_id {
-                                    let project = this.project.read(cx);
+                            if event.click_count() > 1
+                                && let Some(entry_id) = this.last_worktree_root_id
+                            {
+                                let project = this.project.read(cx);
 
-                                    let worktree_id = if let Some(worktree) =
-                                        project.worktree_for_entry(entry_id, cx)
-                                    {
-                                        worktree.read(cx).id()
-                                    } else {
-                                        return;
-                                    };
+                                let worktree_id = if let Some(worktree) =
+                                    project.worktree_for_entry(entry_id, cx)
+                                {
+                                    worktree.read(cx).id()
+                                } else {
+                                    return;
+                                };
 
-                                    this.selection = Some(SelectedEntry {
-                                        worktree_id,
-                                        entry_id,
-                                    });
+                                this.selection = Some(SelectedEntry {
+                                    worktree_id,
+                                    entry_id,
+                                });
 
-                                    this.new_file(&NewFile, window, cx);
-                                }
+                                this.new_file(&NewFile, window, cx);
                             }
                         }))
                 })
@@ -5238,26 +5333,22 @@ impl Render for ProjectPanel {
                     .when(show_indent_guides, |list| {
                         list.with_decoration(
                             ui::indent_guides(px(indent_size), IndentGuideColors::panel(cx))
-                                .with_compute_indents_fn(
-                                    cx.entity().clone(),
-                                    |this, range, window, cx| {
-                                        let mut items =
-                                            SmallVec::with_capacity(range.end - range.start);
-                                        this.iter_visible_entries(
-                                            range,
-                                            window,
-                                            cx,
-                                            |entry, _, entries, _, _| {
-                                                let (depth, _) =
-                                                    Self::calculate_depth_and_difference(
-                                                        entry, entries,
-                                                    );
-                                                items.push(depth);
-                                            },
-                                        );
-                                        items
-                                    },
-                                )
+                                .with_compute_indents_fn(cx.entity(), |this, range, window, cx| {
+                                    let mut items =
+                                        SmallVec::with_capacity(range.end - range.start);
+                                    this.iter_visible_entries(
+                                        range,
+                                        window,
+                                        cx,
+                                        |entry, _, entries, _, _| {
+                                            let (depth, _) = Self::calculate_depth_and_difference(
+                                                entry, entries,
+                                            );
+                                            items.push(depth);
+                                        },
+                                    );
+                                    items
+                                })
                                 .on_click(cx.listener(
                                     |this, active_indent_guide: &IndentGuideLayout, window, cx| {
                                         if window.modifiers().secondary() {
@@ -5281,7 +5372,7 @@ impl Render for ProjectPanel {
                                         }
                                     },
                                 ))
-                                .with_render_fn(cx.entity().clone(), move |this, params, _, cx| {
+                                .with_render_fn(cx.entity(), move |this, params, _, cx| {
                                     const LEFT_OFFSET: Pixels = px(14.);
                                     const PADDING_Y: Pixels = px(4.);
                                     const HITBOX_OVERDRAW: Pixels = px(3.);
@@ -5334,7 +5425,7 @@ impl Render for ProjectPanel {
                     })
                     .when(show_sticky_entries, |list| {
                         let sticky_items = ui::sticky_items(
-                            cx.entity().clone(),
+                            cx.entity(),
                             |this, range, window, cx| {
                                 let mut items = SmallVec::with_capacity(range.end - range.start);
                                 this.iter_visible_entries(
@@ -5361,7 +5452,7 @@ impl Render for ProjectPanel {
                         list.with_decoration(if show_indent_guides {
                             sticky_items.with_decoration(
                                 ui::indent_guides(px(indent_size), IndentGuideColors::panel(cx))
-                                    .with_render_fn(cx.entity().clone(), move |_, params, _, _| {
+                                    .with_render_fn(cx.entity(), move |_, params, _, _| {
                                         const LEFT_OFFSET: Pixels = px(14.);
 
                                         let indent_size = params.indent_size;
@@ -5412,53 +5503,79 @@ impl Render for ProjectPanel {
                     .with_priority(3)
                 }))
         } else {
+            let focus_handle = self.focus_handle(cx);
+
             v_flex()
                 .id("empty-project_panel")
-                .size_full()
                 .p_4()
+                .size_full()
+                .items_center()
+                .justify_center()
+                .gap_1()
                 .track_focus(&self.focus_handle(cx))
                 .child(
-                    Button::new("open_project", "Open a project")
+                    Button::new("open_project", "Open Project")
                         .full_width()
                         .key_binding(KeyBinding::for_action_in(
-                            &OpenRecent::default(),
-                            &self.focus_handle,
+                            &workspace::Open,
+                            &focus_handle,
                             window,
                             cx,
                         ))
                         .on_click(cx.listener(|this, _, window, cx| {
                             this.workspace
                                 .update(cx, |_, cx| {
-                                    window.dispatch_action(OpenRecent::default().boxed_clone(), cx);
+                                    window.dispatch_action(workspace::Open.boxed_clone(), cx);
+                                })
+                                .log_err();
+                        })),
+                )
+                .child(
+                    h_flex()
+                        .w_1_2()
+                        .gap_2()
+                        .child(Divider::horizontal())
+                        .child(Label::new("or").size(LabelSize::XSmall).color(Color::Muted))
+                        .child(Divider::horizontal()),
+                )
+                .child(
+                    Button::new("clone_repo", "Clone Repository")
+                        .full_width()
+                        .on_click(cx.listener(|this, _, window, cx| {
+                            this.workspace
+                                .update(cx, |_, cx| {
+                                    window.dispatch_action(git::Clone.boxed_clone(), cx);
                                 })
                                 .log_err();
                         })),
                 )
                 .when(is_local, |div| {
-                    div.drag_over::<ExternalPaths>(|style, _, _, cx| {
-                        style.bg(cx.theme().colors().drop_target_background)
+                    div.when(panel_settings.drag_and_drop, |div| {
+                        div.drag_over::<ExternalPaths>(|style, _, _, cx| {
+                            style.bg(cx.theme().colors().drop_target_background)
+                        })
+                        .on_drop(cx.listener(
+                            move |this, external_paths: &ExternalPaths, window, cx| {
+                                this.drag_target_entry = None;
+                                this.hover_scroll_task.take();
+                                if let Some(task) = this
+                                    .workspace
+                                    .update(cx, |workspace, cx| {
+                                        workspace.open_workspace_for_paths(
+                                            true,
+                                            external_paths.paths().to_owned(),
+                                            window,
+                                            cx,
+                                        )
+                                    })
+                                    .log_err()
+                                {
+                                    task.detach_and_log_err(cx);
+                                }
+                                cx.stop_propagation();
+                            },
+                        ))
                     })
-                    .on_drop(cx.listener(
-                        move |this, external_paths: &ExternalPaths, window, cx| {
-                            this.drag_target_entry = None;
-                            this.hover_scroll_task.take();
-                            if let Some(task) = this
-                                .workspace
-                                .update(cx, |workspace, cx| {
-                                    workspace.open_workspace_for_paths(
-                                        true,
-                                        external_paths.paths().to_owned(),
-                                        window,
-                                        cx,
-                                    )
-                                })
-                                .log_err()
-                            {
-                                task.detach_and_log_err(cx);
-                            }
-                            cx.stop_propagation();
-                        },
-                    ))
                 })
         }
     }
@@ -5558,11 +5675,15 @@ impl Panel for ProjectPanel {
     }
 
     fn starts_open(&self, _: &Window, cx: &App) -> bool {
+        if !ProjectPanelSettings::get_global(cx).starts_open {
+            return false;
+        }
+
         let project = &self.project.read(cx);
         project.visible_worktrees(cx).any(|tree| {
             tree.read(cx)
                 .root_entry()
-                .map_or(false, |entry| entry.is_dir())
+                .is_some_and(|entry| entry.is_dir())
         })
     }
 
@@ -5588,7 +5709,7 @@ impl ClipboardEntry {
         }
     }
 
-    fn to_copy_entry(self) -> Self {
+    fn into_copy_entry(self) -> Self {
         match self {
             ClipboardEntry::Copied(_) => self,
             ClipboardEntry::Cut(entries) => ClipboardEntry::Copied(entries),
diff --git a/crates/project_panel/src/project_panel_settings.rs b/crates/project_panel/src/project_panel_settings.rs
index 9057480972..fc399d66a7 100644
--- a/crates/project_panel/src/project_panel_settings.rs
+++ b/crates/project_panel/src/project_panel_settings.rs
@@ -43,9 +43,11 @@ pub struct ProjectPanelSettings {
     pub sticky_scroll: bool,
     pub auto_reveal_entries: bool,
     pub auto_fold_dirs: bool,
+    pub starts_open: bool,
     pub scrollbar: ScrollbarSettings,
     pub show_diagnostics: ShowDiagnostics,
     pub hide_root: bool,
+    pub drag_and_drop: bool,
 }
 
 #[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
@@ -139,6 +141,10 @@ pub struct ProjectPanelSettingsContent {
     ///
     /// Default: true
     pub auto_fold_dirs: Option<bool>,
+    /// Whether the project panel should open on startup.
+    ///
+    /// Default: true
+    pub starts_open: Option<bool>,
     /// Scrollbar-related settings
     pub scrollbar: Option<ScrollbarSettingsContent>,
     /// Which files containing diagnostic errors/warnings to mark in the project panel.
@@ -155,6 +161,10 @@ pub struct ProjectPanelSettingsContent {
     ///
     /// Default: true
     pub sticky_scroll: Option<bool>,
+    /// Whether to enable drag-and-drop operations in the project panel.
+    ///
+    /// Default: true
+    pub drag_and_drop: Option<bool>,
 }
 
 impl Settings for ProjectPanelSettings {
diff --git a/crates/project_panel/src/project_panel_tests.rs b/crates/project_panel/src/project_panel_tests.rs
index 7699256bc9..49b482e02c 100644
--- a/crates/project_panel/src/project_panel_tests.rs
+++ b/crates/project_panel/src/project_panel_tests.rs
@@ -8,7 +8,7 @@ use settings::SettingsStore;
 use std::path::{Path, PathBuf};
 use util::path;
 use workspace::{
-    AppState, Pane,
+    AppState, ItemHandle, Pane,
     item::{Item, ProjectItem},
     register_project_item,
 };
@@ -17,7 +17,7 @@ use workspace::{
 async fn test_visible_list(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root1",
         json!({
@@ -106,7 +106,7 @@ async fn test_visible_list(cx: &mut gpui::TestAppContext) {
 async fn test_opening_file(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/src"),
         json!({
@@ -276,7 +276,7 @@ async fn test_exclusions_in_visible_list(cx: &mut gpui::TestAppContext) {
 async fn test_auto_collapse_dir_paths(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/root1"),
         json!({
@@ -459,7 +459,7 @@ async fn test_auto_collapse_dir_paths(cx: &mut gpui::TestAppContext) {
 async fn test_editing_files(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root1",
         json!({
@@ -740,9 +740,9 @@ async fn test_editing_files(cx: &mut gpui::TestAppContext) {
             "    > .git",
             "    > a",
             "    v b",
+            "        > [EDITOR: '']  <== selected",
             "        > 3",
             "        > 4",
-            "        > [EDITOR: '']  <== selected",
             "          a-different-filename.tar.gz",
             "    > C",
             "      .dockerignore",
@@ -765,10 +765,10 @@ async fn test_editing_files(cx: &mut gpui::TestAppContext) {
             "    > .git",
             "    > a",
             "    v b",
-            "        > 3",
-            "        > 4",
             "        > [PROCESSING: 'new-dir']",
-            "          a-different-filename.tar.gz  <== selected",
+            "        > 3  <== selected",
+            "        > 4",
+            "          a-different-filename.tar.gz",
             "    > C",
             "      .dockerignore",
         ]
@@ -782,10 +782,10 @@ async fn test_editing_files(cx: &mut gpui::TestAppContext) {
             "    > .git",
             "    > a",
             "    v b",
-            "        > 3",
+            "        > 3  <== selected",
             "        > 4",
             "        > new-dir",
-            "          a-different-filename.tar.gz  <== selected",
+            "          a-different-filename.tar.gz",
             "    > C",
             "      .dockerignore",
         ]
@@ -801,10 +801,10 @@ async fn test_editing_files(cx: &mut gpui::TestAppContext) {
             "    > .git",
             "    > a",
             "    v b",
-            "        > 3",
+            "        > [EDITOR: '3']  <== selected",
             "        > 4",
             "        > new-dir",
-            "          [EDITOR: 'a-different-filename.tar.gz']  <== selected",
+            "          a-different-filename.tar.gz",
             "    > C",
             "      .dockerignore",
         ]
@@ -819,10 +819,10 @@ async fn test_editing_files(cx: &mut gpui::TestAppContext) {
             "    > .git",
             "    > a",
             "    v b",
-            "        > 3",
+            "        > 3  <== selected",
             "        > 4",
             "        > new-dir",
-            "          a-different-filename.tar.gz  <== selected",
+            "          a-different-filename.tar.gz",
             "    > C",
             "      .dockerignore",
         ]
@@ -837,12 +837,12 @@ async fn test_editing_files(cx: &mut gpui::TestAppContext) {
             "    > .git",
             "    > a",
             "    v b",
-            "        > 3",
+            "        v 3",
+            "              [EDITOR: '']  <== selected",
+            "              Q",
             "        > 4",
             "        > new-dir",
-            "          [EDITOR: '']  <== selected",
             "          a-different-filename.tar.gz",
-            "    > C",
         ]
     );
     panel.update_in(cx, |panel, window, cx| {
@@ -863,12 +863,12 @@ async fn test_editing_files(cx: &mut gpui::TestAppContext) {
             "    > .git",
             "    > a",
             "    v b",
-            "        > 3",
+            "        v 3  <== selected",
+            "              Q",
             "        > 4",
             "        > new-dir",
-            "          a-different-filename.tar.gz  <== selected",
+            "          a-different-filename.tar.gz",
             "    > C",
-            "      .dockerignore",
         ]
     );
 }
@@ -877,7 +877,7 @@ async fn test_editing_files(cx: &mut gpui::TestAppContext) {
 async fn test_adding_directories_via_file(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root1",
         json!({
@@ -1010,7 +1010,7 @@ async fn test_adding_directories_via_file(cx: &mut gpui::TestAppContext) {
 async fn test_adding_directory_via_file(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/root1"),
         json!({
@@ -1137,7 +1137,7 @@ async fn test_adding_directory_via_file(cx: &mut gpui::TestAppContext) {
 async fn test_copy_paste(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root1",
         json!({
@@ -1235,7 +1235,7 @@ async fn test_copy_paste(cx: &mut gpui::TestAppContext) {
 async fn test_cut_paste(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root",
         json!({
@@ -1320,7 +1320,7 @@ async fn test_cut_paste(cx: &mut gpui::TestAppContext) {
 async fn test_cut_paste_between_different_worktrees(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root1",
         json!({
@@ -1416,7 +1416,7 @@ async fn test_cut_paste_between_different_worktrees(cx: &mut gpui::TestAppContex
 async fn test_copy_paste_between_different_worktrees(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root1",
         json!({
@@ -1551,7 +1551,7 @@ async fn test_copy_paste_between_different_worktrees(cx: &mut gpui::TestAppConte
 async fn test_copy_paste_directory(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root",
         json!({
@@ -1692,7 +1692,7 @@ async fn test_copy_paste_directory(cx: &mut gpui::TestAppContext) {
 async fn test_copy_paste_directory_with_sibling_file(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/test",
         json!({
@@ -1797,7 +1797,7 @@ async fn test_copy_paste_directory_with_sibling_file(cx: &mut gpui::TestAppConte
 async fn test_copy_paste_nested_and_root_entries(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/test",
         json!({
@@ -1876,7 +1876,7 @@ async fn test_copy_paste_nested_and_root_entries(cx: &mut gpui::TestAppContext)
 async fn test_remove_opened_file(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/src"),
         json!({
@@ -1968,7 +1968,7 @@ async fn test_remove_opened_file(cx: &mut gpui::TestAppContext) {
 async fn test_create_duplicate_items(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/src",
         json!({
@@ -2161,7 +2161,7 @@ async fn test_create_duplicate_items(cx: &mut gpui::TestAppContext) {
 async fn test_select_git_entry(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/root"),
         json!({
@@ -2440,7 +2440,7 @@ async fn test_select_git_entry(cx: &mut gpui::TestAppContext) {
 async fn test_select_directory(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/project_root",
         json!({
@@ -2541,7 +2541,7 @@ async fn test_select_directory(cx: &mut gpui::TestAppContext) {
 async fn test_select_first_last(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/project_root",
         json!({
@@ -2651,7 +2651,7 @@ async fn test_select_first_last(cx: &mut gpui::TestAppContext) {
 async fn test_dir_toggle_collapse(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/project_root",
         json!({
@@ -2693,7 +2693,7 @@ async fn test_dir_toggle_collapse(cx: &mut gpui::TestAppContext) {
 async fn test_collapse_all_entries(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/project_root",
         json!({
@@ -2751,7 +2751,7 @@ async fn test_collapse_all_entries(cx: &mut gpui::TestAppContext) {
 async fn test_new_file_move(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.as_fake().insert_tree(path!("/root"), json!({})).await;
     let project = Project::test(fs, [path!("/root").as_ref()], cx).await;
     let workspace = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
@@ -2819,7 +2819,7 @@ async fn test_new_file_move(cx: &mut gpui::TestAppContext) {
 async fn test_rename_root_of_worktree(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root1",
         json!({
@@ -2895,7 +2895,7 @@ async fn test_rename_root_of_worktree(cx: &mut gpui::TestAppContext) {
 async fn test_rename_with_hide_root(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root1",
         json!({
@@ -2989,7 +2989,7 @@ async fn test_rename_with_hide_root(cx: &mut gpui::TestAppContext) {
 #[gpui::test]
 async fn test_multiple_marked_entries(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/project_root",
         json!({
@@ -3068,7 +3068,7 @@ async fn test_multiple_marked_entries(cx: &mut gpui::TestAppContext) {
         panel.update(cx, |this, cx| {
             let drag = DraggedSelection {
                 active_selection: this.selection.unwrap(),
-                marked_selections: Arc::new(this.marked_entries.clone()),
+                marked_selections: this.marked_entries.clone().into(),
             };
             let target_entry = this
                 .project
@@ -3731,7 +3731,7 @@ async fn test_creating_excluded_entries(cx: &mut gpui::TestAppContext) {
         register_project_item::<TestProjectItemView>(cx);
     });
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root1",
         json!({
@@ -3914,7 +3914,7 @@ async fn test_creating_excluded_entries(cx: &mut gpui::TestAppContext) {
 async fn test_selection_restored_when_creation_cancelled(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/src",
         json!({
@@ -3982,7 +3982,7 @@ async fn test_selection_restored_when_creation_cancelled(cx: &mut gpui::TestAppC
 async fn test_basic_file_deletion_scenarios(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root",
         json!({
@@ -4105,7 +4105,7 @@ async fn test_basic_file_deletion_scenarios(cx: &mut gpui::TestAppContext) {
 async fn test_deletion_gitignored(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/root"),
         json!({
@@ -4206,7 +4206,7 @@ async fn test_deletion_gitignored(cx: &mut gpui::TestAppContext) {
 async fn test_nested_deletion_gitignore(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/root"),
         json!({
@@ -4271,7 +4271,7 @@ async fn test_nested_deletion_gitignore(cx: &mut gpui::TestAppContext) {
 async fn test_complex_selection_scenarios(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root",
         json!({
@@ -4382,7 +4382,7 @@ async fn test_complex_selection_scenarios(cx: &mut gpui::TestAppContext) {
 async fn test_delete_all_files_and_directories(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root",
         json!({
@@ -4457,7 +4457,7 @@ async fn test_delete_all_files_and_directories(cx: &mut gpui::TestAppContext) {
 async fn test_nested_selection_deletion(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root",
         json!({
@@ -4523,7 +4523,7 @@ async fn test_nested_selection_deletion(cx: &mut gpui::TestAppContext) {
 async fn test_multiple_worktrees_deletion(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     // First worktree
     fs.insert_tree(
         "/root1",
@@ -4666,7 +4666,7 @@ async fn test_multiple_worktrees_deletion(cx: &mut gpui::TestAppContext) {
 async fn test_selection_vs_marked_entries_priority(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root",
         json!({
@@ -4766,7 +4766,7 @@ async fn test_selection_vs_marked_entries_priority(cx: &mut gpui::TestAppContext
 async fn test_selection_fallback_to_next_highest_worktree(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root_b",
         json!({
@@ -4859,7 +4859,7 @@ fn toggle_expand_dir(
 async fn test_expand_all_for_entry(cx: &mut gpui::TestAppContext) {
     init_test_with_editor(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/root"),
         json!({
@@ -5050,7 +5050,7 @@ async fn test_expand_all_for_entry(cx: &mut gpui::TestAppContext) {
 async fn test_collapse_all_for_entry(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/root"),
         json!({
@@ -5234,7 +5234,7 @@ async fn test_collapse_all_for_entry(cx: &mut gpui::TestAppContext) {
 async fn test_create_entries_without_selection(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/root"),
         json!({
@@ -5299,7 +5299,7 @@ async fn test_create_entries_without_selection(cx: &mut gpui::TestAppContext) {
 async fn test_create_entries_without_selection_hide_root(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         path!("/root"),
         json!({
@@ -5448,7 +5448,7 @@ async fn test_create_entries_without_selection_hide_root(cx: &mut gpui::TestAppC
 async fn test_highlight_entry_for_external_drag(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root",
         json!({
@@ -5516,7 +5516,7 @@ async fn test_highlight_entry_for_external_drag(cx: &mut gpui::TestAppContext) {
 async fn test_highlight_entry_for_selection_drag(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root",
         json!({
@@ -5562,10 +5562,10 @@ async fn test_highlight_entry_for_selection_drag(cx: &mut gpui::TestAppContext)
                 worktree_id,
                 entry_id: child_file.id,
             },
-            marked_selections: Arc::new(BTreeSet::from([SelectedEntry {
+            marked_selections: Arc::new([SelectedEntry {
                 worktree_id,
                 entry_id: child_file.id,
-            }])),
+            }]),
         };
         let result =
             panel.highlight_entry_for_selection_drag(parent_dir, worktree, &dragged_selection, cx);
@@ -5604,7 +5604,7 @@ async fn test_highlight_entry_for_selection_drag(cx: &mut gpui::TestAppContext)
                 worktree_id,
                 entry_id: child_file.id,
             },
-            marked_selections: Arc::new(BTreeSet::from([
+            marked_selections: Arc::new([
                 SelectedEntry {
                     worktree_id,
                     entry_id: child_file.id,
@@ -5613,7 +5613,7 @@ async fn test_highlight_entry_for_selection_drag(cx: &mut gpui::TestAppContext)
                     worktree_id,
                     entry_id: sibling_file.id,
                 },
-            ])),
+            ]),
         };
         let result =
             panel.highlight_entry_for_selection_drag(parent_dir, worktree, &dragged_selection, cx);
@@ -5647,7 +5647,7 @@ async fn test_highlight_entry_for_selection_drag(cx: &mut gpui::TestAppContext)
 async fn test_hide_root(cx: &mut gpui::TestAppContext) {
     init_test(cx);
 
-    let fs = FakeFs::new(cx.executor().clone());
+    let fs = FakeFs::new(cx.executor());
     fs.insert_tree(
         "/root1",
         json!({
@@ -5821,6 +5821,186 @@ async fn test_hide_root(cx: &mut gpui::TestAppContext) {
     }
 }
 
+#[gpui::test]
+async fn test_compare_selected_files(cx: &mut gpui::TestAppContext) {
+    init_test_with_editor(cx);
+
+    let fs = FakeFs::new(cx.executor());
+    fs.insert_tree(
+        "/root",
+        json!({
+            "file1.txt": "content of file1",
+            "file2.txt": "content of file2",
+            "dir1": {
+                "file3.txt": "content of file3"
+            }
+        }),
+    )
+    .await;
+
+    let project = Project::test(fs.clone(), ["/root".as_ref()], cx).await;
+    let workspace = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
+    let cx = &mut VisualTestContext::from_window(*workspace, cx);
+    let panel = workspace.update(cx, ProjectPanel::new).unwrap();
+
+    let file1_path = path!("root/file1.txt");
+    let file2_path = path!("root/file2.txt");
+    select_path_with_mark(&panel, file1_path, cx);
+    select_path_with_mark(&panel, file2_path, cx);
+
+    panel.update_in(cx, |panel, window, cx| {
+        panel.compare_marked_files(&CompareMarkedFiles, window, cx);
+    });
+    cx.executor().run_until_parked();
+
+    workspace
+        .update(cx, |workspace, _, cx| {
+            let active_items = workspace
+                .panes()
+                .iter()
+                .filter_map(|pane| pane.read(cx).active_item())
+                .collect::<Vec<_>>();
+            assert_eq!(active_items.len(), 1);
+            let diff_view = active_items
+                .into_iter()
+                .next()
+                .unwrap()
+                .downcast::<FileDiffView>()
+                .expect("Open item should be an FileDiffView");
+            assert_eq!(diff_view.tab_content_text(0, cx), "file1.txt ↔ file2.txt");
+            assert_eq!(
+                diff_view.tab_tooltip_text(cx).unwrap(),
+                format!("{} ↔ {}", file1_path, file2_path)
+            );
+        })
+        .unwrap();
+
+    let file1_entry_id = find_project_entry(&panel, file1_path, cx).unwrap();
+    let file2_entry_id = find_project_entry(&panel, file2_path, cx).unwrap();
+    let worktree_id = panel.update(cx, |panel, cx| {
+        panel
+            .project
+            .read(cx)
+            .worktrees(cx)
+            .next()
+            .unwrap()
+            .read(cx)
+            .id()
+    });
+
+    let expected_entries = [
+        SelectedEntry {
+            worktree_id,
+            entry_id: file1_entry_id,
+        },
+        SelectedEntry {
+            worktree_id,
+            entry_id: file2_entry_id,
+        },
+    ];
+    panel.update(cx, |panel, _cx| {
+        assert_eq!(
+            &panel.marked_entries, &expected_entries,
+            "Should keep marked entries after comparison"
+        );
+    });
+
+    panel.update(cx, |panel, cx| {
+        panel.project.update(cx, |_, cx| {
+            cx.emit(project::Event::RevealInProjectPanel(file2_entry_id))
+        })
+    });
+
+    panel.update(cx, |panel, _cx| {
+        assert_eq!(
+            &panel.marked_entries, &expected_entries,
+            "Marked entries should persist after focusing back on the project panel"
+        );
+    });
+}
+
+#[gpui::test]
+async fn test_compare_files_context_menu(cx: &mut gpui::TestAppContext) {
+    init_test_with_editor(cx);
+
+    let fs = FakeFs::new(cx.executor());
+    fs.insert_tree(
+        "/root",
+        json!({
+            "file1.txt": "content of file1",
+            "file2.txt": "content of file2",
+            "dir1": {},
+            "dir2": {
+                "file3.txt": "content of file3"
+            }
+        }),
+    )
+    .await;
+
+    let project = Project::test(fs.clone(), ["/root".as_ref()], cx).await;
+    let workspace = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
+    let cx = &mut VisualTestContext::from_window(*workspace, cx);
+    let panel = workspace.update(cx, ProjectPanel::new).unwrap();
+
+    // Test 1: When only one file is selected, there should be no compare option
+    select_path(&panel, "root/file1.txt", cx);
+
+    let selected_files = panel.update(cx, |panel, cx| panel.file_abs_paths_to_diff(cx));
+    assert_eq!(
+        selected_files, None,
+        "Should not have compare option when only one file is selected"
+    );
+
+    // Test 2: When multiple files are selected, there should be a compare option
+    select_path_with_mark(&panel, "root/file1.txt", cx);
+    select_path_with_mark(&panel, "root/file2.txt", cx);
+
+    let selected_files = panel.update(cx, |panel, cx| panel.file_abs_paths_to_diff(cx));
+    assert!(
+        selected_files.is_some(),
+        "Should have files selected for comparison"
+    );
+    if let Some((file1, file2)) = selected_files {
+        assert!(
+            file1.to_string_lossy().ends_with("file1.txt")
+                && file2.to_string_lossy().ends_with("file2.txt"),
+            "Should have file1.txt and file2.txt as the selected files when multi-selecting"
+        );
+    }
+
+    // Test 3: Selecting a directory shouldn't count as a comparable file
+    select_path_with_mark(&panel, "root/dir1", cx);
+
+    let selected_files = panel.update(cx, |panel, cx| panel.file_abs_paths_to_diff(cx));
+    assert!(
+        selected_files.is_some(),
+        "Directory selection should not affect comparable files"
+    );
+    if let Some((file1, file2)) = selected_files {
+        assert!(
+            file1.to_string_lossy().ends_with("file1.txt")
+                && file2.to_string_lossy().ends_with("file2.txt"),
+            "Selecting a directory should not affect the number of comparable files"
+        );
+    }
+
+    // Test 4: Selecting one more file
+    select_path_with_mark(&panel, "root/dir2/file3.txt", cx);
+
+    let selected_files = panel.update(cx, |panel, cx| panel.file_abs_paths_to_diff(cx));
+    assert!(
+        selected_files.is_some(),
+        "Directory selection should not affect comparable files"
+    );
+    if let Some((file1, file2)) = selected_files {
+        assert!(
+            file1.to_string_lossy().ends_with("file2.txt")
+                && file2.to_string_lossy().ends_with("file3.txt"),
+            "Selecting a directory should not affect the number of comparable files"
+        );
+    }
+}
+
 fn select_path(panel: &Entity<ProjectPanel>, path: impl AsRef<Path>, cx: &mut VisualTestContext) {
     let path = path.as_ref();
     panel.update(cx, |panel, cx| {
@@ -5855,7 +6035,7 @@ fn select_path_with_mark(
                     entry_id,
                 };
                 if !panel.marked_entries.contains(&entry) {
-                    panel.marked_entries.insert(entry);
+                    panel.marked_entries.push(entry);
                 }
                 panel.selection = Some(entry);
                 return;
@@ -5972,7 +6152,7 @@ fn init_test_with_editor(cx: &mut TestAppContext) {
         language::init(cx);
         editor::init(cx);
         crate::init(cx);
-        workspace::init(app_state.clone(), cx);
+        workspace::init(app_state, cx);
         Project::init_settings(cx);
 
         cx.update_global::<SettingsStore, _>(|store, cx| {
diff --git a/crates/project_symbols/src/project_symbols.rs b/crates/project_symbols/src/project_symbols.rs
index 47aed8f470..72029e55a0 100644
--- a/crates/project_symbols/src/project_symbols.rs
+++ b/crates/project_symbols/src/project_symbols.rs
@@ -191,12 +191,12 @@ impl PickerDelegate for ProjectSymbolsDelegate {
                         .iter()
                         .enumerate()
                         .map(|(id, symbol)| {
-                            StringMatchCandidate::new(id, &symbol.label.filter_text())
+                            StringMatchCandidate::new(id, symbol.label.filter_text())
                         })
                         .partition(|candidate| {
                             project
                                 .entry_for_path(&symbols[candidate.id].path, cx)
-                                .map_or(false, |e| !e.is_ignored)
+                                .is_some_and(|e| !e.is_ignored)
                         });
 
                     delegate.visible_match_candidates = visible_match_candidates;
@@ -233,7 +233,7 @@ impl PickerDelegate for ProjectSymbolsDelegate {
             }
         }
         let label = symbol.label.text.clone();
-        let path = path.to_string().clone();
+        let path = path.to_string();
 
         let highlights = gpui::combine_highlights(
             string_match
@@ -257,10 +257,8 @@ impl PickerDelegate for ProjectSymbolsDelegate {
                     v_flex()
                         .child(
                             LabelLike::new().child(
-                                StyledText::new(label).with_default_highlights(
-                                    &window.text_style().clone(),
-                                    highlights,
-                                ),
+                                StyledText::new(label)
+                                    .with_default_highlights(&window.text_style(), highlights),
                             ),
                         )
                         .child(Label::new(path).color(Color::Muted)),
diff --git a/crates/prompt_store/src/prompt_store.rs b/crates/prompt_store/src/prompt_store.rs
index f9cb26ed9a..fb087ce34d 100644
--- a/crates/prompt_store/src/prompt_store.rs
+++ b/crates/prompt_store/src/prompt_store.rs
@@ -90,6 +90,15 @@ impl From<Uuid> for UserPromptId {
     }
 }
 
+impl std::fmt::Display for PromptId {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            PromptId::User { uuid } => write!(f, "{}", uuid.0),
+            PromptId::EditWorkflow => write!(f, "Edit workflow"),
+        }
+    }
+}
+
 pub struct PromptStore {
     env: heed::Env,
     metadata_cache: RwLock<MetadataCache>,
@@ -238,9 +247,7 @@ impl PromptStore {
 
             if metadata_db
                 .get(&txn, &prompt_id_v2)?
-                .map_or(true, |metadata_v2| {
-                    metadata_v1.saved_at > metadata_v2.saved_at
-                })
+                .is_none_or(|metadata_v2| metadata_v1.saved_at > metadata_v2.saved_at)
             {
                 metadata_db.put(
                     &mut txn,
diff --git a/crates/prompt_store/src/prompts.rs b/crates/prompt_store/src/prompts.rs
index d737ef9246..9a9b2fc3de 100644
--- a/crates/prompt_store/src/prompts.rs
+++ b/crates/prompt_store/src/prompts.rs
@@ -18,7 +18,7 @@ use util::{ResultExt, get_system_shell};
 
 use crate::UserPromptId;
 
-#[derive(Debug, Clone, Serialize)]
+#[derive(Default, Debug, Clone, Serialize)]
 pub struct ProjectContext {
     pub worktrees: Vec<WorktreeContext>,
     /// Whether any worktree has a rules_file. Provided as a field because handlebars can't do this.
@@ -71,14 +71,14 @@ pub struct UserRulesContext {
     pub contents: String,
 }
 
-#[derive(Debug, Clone, Serialize)]
+#[derive(Debug, Clone, Eq, PartialEq, Serialize)]
 pub struct WorktreeContext {
     pub root_name: String,
     pub abs_path: Arc<Path>,
     pub rules_file: Option<RulesFileContext>,
 }
 
-#[derive(Debug, Clone, Serialize)]
+#[derive(Debug, Clone, Eq, PartialEq, Serialize)]
 pub struct RulesFileContext {
     pub path_in_worktree: Arc<Path>,
     pub text: String,
@@ -229,12 +229,12 @@ impl PromptBuilder {
                         log_message.push_str(" -> ");
                         log_message.push_str(&target.display().to_string());
                     }
-                    log::info!("{}.", log_message);
+                    log::trace!("{}.", log_message);
                 } else {
                     if !found_dir_once {
-                        log::info!("No prompt template overrides directory found at {}. Using built-in prompts.", templates_dir.display());
+                        log::trace!("No prompt template overrides directory found at {}. Using built-in prompts.", templates_dir.display());
                         if let Some(target) = symlink_status {
-                            log::info!("Symlink found pointing to {}, but target is invalid.", target.display());
+                            log::trace!("Symlink found pointing to {}, but target is invalid.", target.display());
                         }
                     }
 
@@ -247,7 +247,7 @@ impl PromptBuilder {
                                     log_message.push_str(" -> ");
                                     log_message.push_str(&target.display().to_string());
                                 }
-                                log::info!("{}.", log_message);
+                                log::trace!("{}.", log_message);
                                 break;
                             }
                         }
@@ -261,13 +261,12 @@ impl PromptBuilder {
                 // Initial scan of the prompt overrides directory
                 if let Ok(mut entries) = params.fs.read_dir(&templates_dir).await {
                     while let Some(Ok(file_path)) = entries.next().await {
-                        if file_path.to_string_lossy().ends_with(".hbs") {
-                            if let Ok(content) = params.fs.load(&file_path).await {
+                        if file_path.to_string_lossy().ends_with(".hbs")
+                            && let Ok(content) = params.fs.load(&file_path).await {
                                 let file_name = file_path.file_stem().unwrap().to_string_lossy();
                                 log::debug!("Registering prompt template override: {}", file_name);
                                 handlebars.lock().register_template_string(&file_name, content).log_err();
                             }
-                        }
                     }
                 }
 
@@ -280,15 +279,14 @@ impl PromptBuilder {
                 let mut combined_changes = futures::stream::select(changes, parent_changes);
 
                 while let Some(changed_paths) = combined_changes.next().await {
-                    if changed_paths.iter().any(|p| &p.path == &templates_dir) {
-                        if !params.fs.is_dir(&templates_dir).await {
+                    if changed_paths.iter().any(|p| &p.path == &templates_dir)
+                        && !params.fs.is_dir(&templates_dir).await {
                             log::info!("Prompt template overrides directory removed. Restoring built-in prompt templates.");
                             Self::register_built_in_templates(&mut handlebars.lock()).log_err();
                             break;
                         }
-                    }
                     for event in changed_paths {
-                        if event.path.starts_with(&templates_dir) && event.path.extension().map_or(false, |ext| ext == "hbs") {
+                        if event.path.starts_with(&templates_dir) && event.path.extension().is_some_and(|ext| ext == "hbs") {
                             log::info!("Reloading prompt template override: {}", event.path.display());
                             if let Some(content) = params.fs.load(&event.path).await.log_err() {
                                 let file_name = event.path.file_stem().unwrap().to_string_lossy();
@@ -311,12 +309,11 @@ impl PromptBuilder {
                 .split('/')
                 .next_back()
                 .and_then(|s| s.strip_suffix(".hbs"))
+                && let Some(prompt) = Assets.load(path.as_ref()).log_err().flatten()
             {
-                if let Some(prompt) = Assets.load(path.as_ref()).log_err().flatten() {
-                    log::debug!("Registering built-in prompt template: {}", id);
-                    let prompt = String::from_utf8_lossy(prompt.as_ref());
-                    handlebars.register_template_string(id, LineEnding::normalize_cow(prompt))?
-                }
+                log::debug!("Registering built-in prompt template: {}", id);
+                let prompt = String::from_utf8_lossy(prompt.as_ref());
+                handlebars.register_template_string(id, LineEnding::normalize_cow(prompt))?
             }
         }
 
@@ -406,7 +403,7 @@ impl PromptBuilder {
                 ContentPromptDiagnosticContext {
                     line_number: (start.row + 1) as usize,
                     error_message: entry.diagnostic.message.clone(),
-                    code_content: buffer.text_for_range(entry.range.clone()).collect(),
+                    code_content: buffer.text_for_range(entry.range).collect(),
                 }
             })
             .collect();
diff --git a/crates/proto/proto/ai.proto b/crates/proto/proto/ai.proto
index 67c2224387..1064ed2f8d 100644
--- a/crates/proto/proto/ai.proto
+++ b/crates/proto/proto/ai.proto
@@ -158,14 +158,6 @@ message SynchronizeContextsResponse {
     repeated ContextVersion contexts = 1;
 }
 
-message GetLlmToken {}
-
-message GetLlmTokenResponse {
-    string token = 1;
-}
-
-message RefreshLlmToken {}
-
 enum LanguageModelRole {
     LanguageModelUser = 0;
     LanguageModelAssistant = 1;
diff --git a/crates/proto/proto/app.proto b/crates/proto/proto/app.proto
index 5330ee506a..66f8da44f2 100644
--- a/crates/proto/proto/app.proto
+++ b/crates/proto/proto/app.proto
@@ -6,62 +6,6 @@ message UpdateInviteInfo {
     uint32 count = 2;
 }
 
-message GetPrivateUserInfo {}
-
-message GetPrivateUserInfoResponse {
-    string metrics_id = 1;
-    bool staff = 2;
-    repeated string flags = 3;
-    optional uint64 accepted_tos_at = 4;
-}
-
-enum Plan {
-    Free = 0;
-    ZedPro = 1;
-    ZedProTrial = 2;
-}
-
-message UpdateUserPlan {
-    Plan plan = 1;
-    optional uint64 trial_started_at = 2;
-    optional bool is_usage_based_billing_enabled = 3;
-    optional SubscriptionUsage usage = 4;
-    optional SubscriptionPeriod subscription_period = 5;
-    optional bool account_too_young = 6;
-    optional bool has_overdue_invoices = 7;
-}
-
-message SubscriptionPeriod {
-    uint64 started_at = 1;
-    uint64 ended_at = 2;
-}
-
-message SubscriptionUsage {
-    uint32 model_requests_usage_amount = 1;
-    UsageLimit model_requests_usage_limit = 2;
-    uint32 edit_predictions_usage_amount = 3;
-    UsageLimit edit_predictions_usage_limit = 4;
-}
-
-message UsageLimit {
-    oneof variant {
-        Limited limited = 1;
-        Unlimited unlimited = 2;
-    }
-
-    message Limited {
-        uint32 limit = 1;
-    }
-
-    message Unlimited {}
-}
-
-message AcceptTermsOfService {}
-
-message AcceptTermsOfServiceResponse {
-    uint64 accepted_tos_at = 1;
-}
-
 message ShutdownRemoteServer {}
 
 message Toast {
@@ -79,11 +23,18 @@ message OpenServerSettings {
     uint64 project_id = 1;
 }
 
-message GetPanicFiles {
+message GetCrashFiles {
 }
 
-message GetPanicFilesResponse {
-    repeated string file_contents = 2;
+message GetCrashFilesResponse {
+    repeated CrashReport crashes = 1;
+    repeated string legacy_panics = 2;
+}
+
+message CrashReport {
+    reserved 1, 2;
+    string metadata = 3;
+    bytes minidump_contents = 4;
 }
 
 message Extension {
diff --git a/crates/proto/proto/call.proto b/crates/proto/proto/call.proto
index 5212f3b43f..b5c882db56 100644
--- a/crates/proto/proto/call.proto
+++ b/crates/proto/proto/call.proto
@@ -71,6 +71,7 @@ message RejoinedProject {
     repeated WorktreeMetadata worktrees = 2;
     repeated Collaborator collaborators = 3;
     repeated LanguageServer language_servers = 4;
+    repeated string language_server_capabilities = 5;
 }
 
 message LeaveRoom {}
@@ -199,6 +200,7 @@ message JoinProjectResponse {
     repeated WorktreeMetadata worktrees = 2;
     repeated Collaborator collaborators = 3;
     repeated LanguageServer language_servers = 4;
+    repeated string language_server_capabilities = 8;
     ChannelRole role = 6;
     reserved 7;
 }
diff --git a/crates/proto/proto/git.proto b/crates/proto/proto/git.proto
index ea08d36371..cfb0369875 100644
--- a/crates/proto/proto/git.proto
+++ b/crates/proto/proto/git.proto
@@ -121,6 +121,7 @@ message UpdateRepository {
     uint64 scan_id = 9;
     bool is_last_update = 10;
     optional GitCommitDetails head_commit_details = 11;
+    optional string merge_message = 12;
 }
 
 message RemoveRepository {
@@ -202,6 +203,16 @@ message GitInit {
     string fallback_branch_name = 3;
 }
 
+message GitClone {
+    uint64 project_id = 1;
+    string abs_path = 2;
+    string remote_repo = 3;
+}
+
+message GitCloneResponse {
+    bool success = 1;
+}
+
 message CheckForPushedCommits {
     uint64 project_id = 1;
     reserved 2;
@@ -422,3 +433,12 @@ message BlameBufferResponse {
 
     reserved 1 to 4;
 }
+
+message GetDefaultBranch {
+    uint64 project_id = 1;
+    uint64 repository_id = 2;
+}
+
+message GetDefaultBranchResponse {
+    optional string branch = 1;
+}
diff --git a/crates/proto/proto/lsp.proto b/crates/proto/proto/lsp.proto
index e3c2f69c0b..473ef5c38c 100644
--- a/crates/proto/proto/lsp.proto
+++ b/crates/proto/proto/lsp.proto
@@ -518,12 +518,14 @@ message LanguageServer {
 message StartLanguageServer {
     uint64 project_id = 1;
     LanguageServer server = 2;
+    string capabilities = 3;
 }
 
 message UpdateDiagnosticSummary {
     uint64 project_id = 1;
     uint64 worktree_id = 2;
     DiagnosticSummary summary = 3;
+    repeated DiagnosticSummary more_summaries = 4;
 }
 
 message DiagnosticSummary {
@@ -545,6 +547,7 @@ message UpdateLanguageServer {
         LspDiskBasedDiagnosticsUpdated disk_based_diagnostics_updated = 7;
         StatusUpdate status_update = 9;
         RegisteredForBuffer registered_for_buffer = 10;
+        ServerMetadataUpdated metadata_updated = 11;
     }
 }
 
@@ -597,6 +600,11 @@ enum ServerBinaryStatus {
 
 message RegisteredForBuffer {
     string buffer_abs_path = 1;
+    uint64 buffer_id = 2;
+}
+
+message ServerMetadataUpdated {
+    optional string capabilities = 1;
 }
 
 message LanguageServerLog {
@@ -745,28 +753,47 @@ message TextEdit {
     PointUtf16 lsp_range_end = 3;
 }
 
-message MultiLspQuery {
+message LspQuery {
     uint64 project_id = 1;
-    uint64 buffer_id = 2;
-    repeated VectorClockEntry version = 3;
-    oneof strategy {
-        AllLanguageServers all = 4;
-    }
+    uint64 lsp_request_id = 2;
     oneof request {
+        GetReferences get_references = 3;
+        GetDocumentColor get_document_color = 4;
         GetHover get_hover = 5;
         GetCodeActions get_code_actions = 6;
         GetSignatureHelp get_signature_help = 7;
         GetCodeLens get_code_lens = 8;
         GetDocumentDiagnostics get_document_diagnostics = 9;
-        GetDocumentColor get_document_color = 10;
-        GetDefinition get_definition = 11;
-        GetDeclaration get_declaration = 12;
-        GetTypeDefinition get_type_definition = 13;
-        GetImplementation get_implementation = 14;
-        GetReferences get_references = 15;
+        GetDefinition get_definition = 10;
+        GetDeclaration get_declaration = 11;
+        GetTypeDefinition get_type_definition = 12;
+        GetImplementation get_implementation = 13;
     }
 }
 
+message LspQueryResponse {
+    uint64 project_id = 1;
+    uint64 lsp_request_id = 2;
+    repeated LspResponse responses = 3;
+}
+
+message LspResponse {
+    oneof response {
+        GetHoverResponse get_hover_response = 1;
+        GetCodeActionsResponse get_code_actions_response = 2;
+        GetSignatureHelpResponse get_signature_help_response = 3;
+        GetCodeLensResponse get_code_lens_response = 4;
+        GetDocumentDiagnosticsResponse get_document_diagnostics_response = 5;
+        GetDocumentColorResponse get_document_color_response = 6;
+        GetDefinitionResponse get_definition_response = 8;
+        GetDeclarationResponse get_declaration_response = 9;
+        GetTypeDefinitionResponse get_type_definition_response = 10;
+        GetImplementationResponse get_implementation_response = 11;
+        GetReferencesResponse get_references_response = 12;
+    }
+    uint64 server_id = 7;
+}
+
 message AllLanguageServers {}
 
 message LanguageServerSelector {
@@ -790,37 +817,6 @@ message StopLanguageServers {
     bool all = 4;
 }
 
-message MultiLspQueryResponse {
-    repeated LspResponse responses = 1;
-}
-
-message LspResponse {
-    oneof response {
-        GetHoverResponse get_hover_response = 1;
-        GetCodeActionsResponse get_code_actions_response = 2;
-        GetSignatureHelpResponse get_signature_help_response = 3;
-        GetCodeLensResponse get_code_lens_response = 4;
-        GetDocumentDiagnosticsResponse get_document_diagnostics_response = 5;
-        GetDocumentColorResponse get_document_color_response = 6;
-        GetDefinitionResponse get_definition_response = 8;
-        GetDeclarationResponse get_declaration_response = 9;
-        GetTypeDefinitionResponse get_type_definition_response = 10;
-        GetImplementationResponse get_implementation_response = 11;
-        GetReferencesResponse get_references_response = 12;
-    }
-    uint64 server_id = 7;
-}
-
-message LanguageServerIdForName {
-    uint64 project_id = 1;
-    uint64 buffer_id = 2;
-    string name = 3;
-}
-
-message LanguageServerIdForNameResponse {
-    optional uint64 server_id = 1;
-}
-
 message LspExtRunnables {
     uint64 project_id = 1;
     uint64 buffer_id = 2;
@@ -838,21 +834,19 @@ message LspRunnable {
 
 message LspExtCancelFlycheck {
     uint64 project_id = 1;
-    uint64 buffer_id = 2;
-    uint64 language_server_id = 3;
+    uint64 language_server_id = 2;
 }
 
 message LspExtRunFlycheck {
     uint64 project_id = 1;
-    uint64 buffer_id = 2;
+    optional uint64 buffer_id = 2;
     uint64 language_server_id = 3;
     bool current_file_only = 4;
 }
 
 message LspExtClearFlycheck {
     uint64 project_id = 1;
-    uint64 buffer_id = 2;
-    uint64 language_server_id = 3;
+    uint64 language_server_id = 2;
 }
 
 message LspDiagnosticRelatedInformation {
@@ -911,3 +905,30 @@ message PullWorkspaceDiagnostics {
     uint64 project_id = 1;
     uint64 server_id = 2;
 }
+
+// todo(lsp) remove after Zed Stable hits v0.204.x
+message MultiLspQuery {
+    uint64 project_id = 1;
+    uint64 buffer_id = 2;
+    repeated VectorClockEntry version = 3;
+    oneof strategy {
+        AllLanguageServers all = 4;
+    }
+    oneof request {
+        GetHover get_hover = 5;
+        GetCodeActions get_code_actions = 6;
+        GetSignatureHelp get_signature_help = 7;
+        GetCodeLens get_code_lens = 8;
+        GetDocumentDiagnostics get_document_diagnostics = 9;
+        GetDocumentColor get_document_color = 10;
+        GetDefinition get_definition = 11;
+        GetDeclaration get_declaration = 12;
+        GetTypeDefinition get_type_definition = 13;
+        GetImplementation get_implementation = 14;
+        GetReferences get_references = 15;
+    }
+}
+
+message MultiLspQueryResponse {
+    repeated LspResponse responses = 1;
+}
diff --git a/crates/proto/proto/zed.proto b/crates/proto/proto/zed.proto
index 29ab2b1e90..70689bcd63 100644
--- a/crates/proto/proto/zed.proto
+++ b/crates/proto/proto/zed.proto
@@ -135,12 +135,7 @@ message Envelope {
         FollowResponse follow_response = 99;
         UpdateFollowers update_followers = 100;
         Unfollow unfollow = 101;
-        GetPrivateUserInfo get_private_user_info = 102;
-        GetPrivateUserInfoResponse get_private_user_info_response = 103;
-        UpdateUserPlan update_user_plan = 234;
         UpdateDiffBases update_diff_bases = 104;
-        AcceptTermsOfService accept_terms_of_service = 239;
-        AcceptTermsOfServiceResponse accept_terms_of_service_response = 240;
 
         OnTypeFormatting on_type_formatting = 105;
         OnTypeFormattingResponse on_type_formatting_response = 106;
@@ -250,10 +245,6 @@ message Envelope {
         AddWorktree add_worktree = 222;
         AddWorktreeResponse add_worktree_response = 223;
 
-        GetLlmToken get_llm_token = 235;
-        GetLlmTokenResponse get_llm_token_response = 236;
-        RefreshLlmToken refresh_llm_token = 259;
-
         LspExtSwitchSourceHeader lsp_ext_switch_source_header = 241;
         LspExtSwitchSourceHeaderResponse lsp_ext_switch_source_header_response = 242;
 
@@ -294,9 +285,6 @@ message Envelope {
         GetPathMetadata get_path_metadata = 278;
         GetPathMetadataResponse get_path_metadata_response = 279;
 
-        GetPanicFiles get_panic_files = 280;
-        GetPanicFilesResponse get_panic_files_response = 281;
-
         CancelLanguageServerWork cancel_language_server_work = 282;
 
         LspExtOpenDocs lsp_ext_open_docs = 283;
@@ -365,9 +353,6 @@ message Envelope {
         GetDocumentSymbols get_document_symbols = 330;
         GetDocumentSymbolsResponse get_document_symbols_response = 331;
 
-        LanguageServerIdForName language_server_id_for_name = 332;
-        LanguageServerIdForNameResponse language_server_id_for_name_response = 333;
-
         LoadCommitDiff load_commit_diff = 334;
         LoadCommitDiffResponse load_commit_diff_response = 335;
 
@@ -399,10 +384,23 @@ message Envelope {
         GetColorPresentationResponse get_color_presentation_response = 356;
 
         Stash stash = 357;
-        StashPop stash_pop = 358; // current max
+        StashPop stash_pop = 358;
+
+        GetDefaultBranch get_default_branch = 359;
+        GetDefaultBranchResponse get_default_branch_response = 360;
+
+        GetCrashFiles get_crash_files = 361;
+        GetCrashFilesResponse get_crash_files_response = 362;
+
+        GitClone git_clone = 363;
+        GitCloneResponse git_clone_response = 364;
+
+        LspQuery lsp_query = 365;
+        LspQueryResponse lsp_query_response = 366; // current max
     }
 
     reserved 87 to 88;
+    reserved 102 to 103;
     reserved 158 to 161;
     reserved 164;
     reserved 166 to 169;
@@ -416,10 +414,15 @@ message Envelope {
     reserved 221;
     reserved 224 to 229;
     reserved 230 to 231;
+    reserved 234 to 236;
+    reserved 239 to 240;
     reserved 246;
-    reserved 270;
     reserved 247 to 254;
     reserved 255 to 256;
+    reserved 259;
+    reserved 270;
+    reserved 280 to 281;
+    reserved 332 to 333;
 }
 
 message Hello {
diff --git a/crates/proto/src/error.rs b/crates/proto/src/error.rs
index 7ba08df57d..1724a70217 100644
--- a/crates/proto/src/error.rs
+++ b/crates/proto/src/error.rs
@@ -190,10 +190,10 @@ impl ErrorExt for RpcError {
     fn error_tag(&self, k: &str) -> Option<&str> {
         for tag in &self.tags {
             let mut parts = tag.split('=');
-            if let Some(key) = parts.next() {
-                if key == k {
-                    return parts.next();
-                }
+            if let Some(key) = parts.next()
+                && key == k
+            {
+                return parts.next();
             }
         }
         None
diff --git a/crates/proto/src/macros.rs b/crates/proto/src/macros.rs
index 2ce0c0df25..59e984d7db 100644
--- a/crates/proto/src/macros.rs
+++ b/crates/proto/src/macros.rs
@@ -69,3 +69,32 @@ macro_rules! entity_messages {
         })*
     };
 }
+
+#[macro_export]
+macro_rules! lsp_messages {
+    ($(($request_name:ident, $response_name:ident, $stop_previous_requests:expr)),* $(,)?) => {
+        $(impl LspRequestMessage for $request_name {
+            type Response = $response_name;
+
+            fn to_proto_query(self) -> $crate::lsp_query::Request {
+                $crate::lsp_query::Request::$request_name(self)
+            }
+
+            fn response_to_proto_query(response: Self::Response) -> $crate::lsp_response::Response {
+                $crate::lsp_response::Response::$response_name(response)
+            }
+
+            fn buffer_id(&self) -> u64 {
+                self.buffer_id
+            }
+
+            fn buffer_version(&self) -> &[$crate::VectorClockEntry] {
+                &self.version
+            }
+
+            fn stop_previous_requests() -> bool {
+                $stop_previous_requests
+            }
+        })*
+    };
+}
diff --git a/crates/proto/src/proto.rs b/crates/proto/src/proto.rs
index 9f586a7839..d38e54685f 100644
--- a/crates/proto/src/proto.rs
+++ b/crates/proto/src/proto.rs
@@ -20,8 +20,6 @@ pub const SSH_PEER_ID: PeerId = PeerId { owner_id: 0, id: 0 };
 pub const SSH_PROJECT_ID: u64 = 0;
 
 messages!(
-    (AcceptTermsOfService, Foreground),
-    (AcceptTermsOfServiceResponse, Foreground),
     (Ack, Foreground),
     (AckBufferOperation, Background),
     (AckChannelMessage, Background),
@@ -99,14 +97,12 @@ messages!(
     (GetHoverResponse, Background),
     (GetNotifications, Foreground),
     (GetNotificationsResponse, Foreground),
-    (GetPanicFiles, Background),
-    (GetPanicFilesResponse, Background),
+    (GetCrashFiles, Background),
+    (GetCrashFilesResponse, Background),
     (GetPathMetadata, Background),
     (GetPathMetadataResponse, Background),
     (GetPermalinkToLine, Foreground),
     (GetPermalinkToLineResponse, Foreground),
-    (GetPrivateUserInfo, Foreground),
-    (GetPrivateUserInfoResponse, Foreground),
     (GetProjectSymbols, Background),
     (GetProjectSymbolsResponse, Background),
     (GetReferences, Background),
@@ -119,10 +115,6 @@ messages!(
     (GetTypeDefinitionResponse, Background),
     (GetImplementation, Background),
     (GetImplementationResponse, Background),
-    (GetLlmToken, Background),
-    (GetLlmTokenResponse, Background),
-    (LanguageServerIdForName, Background),
-    (LanguageServerIdForNameResponse, Background),
     (OpenUnstagedDiff, Foreground),
     (OpenUnstagedDiffResponse, Foreground),
     (OpenUncommittedDiff, Foreground),
@@ -177,6 +169,9 @@ messages!(
     (MarkNotificationRead, Foreground),
     (MoveChannel, Foreground),
     (ReorderChannel, Foreground),
+    (LspQuery, Background),
+    (LspQueryResponse, Background),
+    // todo(lsp) remove after Zed Stable hits v0.204.x
     (MultiLspQuery, Background),
     (MultiLspQueryResponse, Background),
     (OnTypeFormatting, Background),
@@ -198,7 +193,6 @@ messages!(
     (PrepareRenameResponse, Background),
     (ProjectEntryResponse, Foreground),
     (RefreshInlayHints, Foreground),
-    (RefreshLlmToken, Background),
     (RegisterBufferWithLanguageServers, Background),
     (RejoinChannelBuffers, Foreground),
     (RejoinChannelBuffersResponse, Foreground),
@@ -282,7 +276,6 @@ messages!(
     (UpdateProject, Foreground),
     (UpdateProjectCollaborator, Foreground),
     (UpdateUserChannels, Foreground),
-    (UpdateUserPlan, Foreground),
     (UpdateWorktree, Foreground),
     (UpdateWorktreeSettings, Foreground),
     (UpdateRepository, Foreground),
@@ -315,11 +308,14 @@ messages!(
     (LogToDebugConsole, Background),
     (GetDocumentDiagnostics, Background),
     (GetDocumentDiagnosticsResponse, Background),
-    (PullWorkspaceDiagnostics, Background)
+    (PullWorkspaceDiagnostics, Background),
+    (GetDefaultBranch, Background),
+    (GetDefaultBranchResponse, Background),
+    (GitClone, Background),
+    (GitCloneResponse, Background)
 );
 
 request_messages!(
-    (AcceptTermsOfService, AcceptTermsOfServiceResponse),
     (ApplyCodeAction, ApplyCodeActionResponse),
     (
         ApplyCompletionAdditionalEdits,
@@ -352,9 +348,7 @@ request_messages!(
     (GetDocumentHighlights, GetDocumentHighlightsResponse),
     (GetDocumentSymbols, GetDocumentSymbolsResponse),
     (GetHover, GetHoverResponse),
-    (GetLlmToken, GetLlmTokenResponse),
     (GetNotifications, GetNotificationsResponse),
-    (GetPrivateUserInfo, GetPrivateUserInfoResponse),
     (GetProjectSymbols, GetProjectSymbolsResponse),
     (GetReferences, GetReferencesResponse),
     (GetSignatureHelp, GetSignatureHelpResponse),
@@ -429,14 +423,16 @@ request_messages!(
     (UpdateWorktree, Ack),
     (UpdateRepository, Ack),
     (RemoveRepository, Ack),
-    (LanguageServerIdForName, LanguageServerIdForNameResponse),
     (LspExtExpandMacro, LspExtExpandMacroResponse),
     (LspExtOpenDocs, LspExtOpenDocsResponse),
     (LspExtRunnables, LspExtRunnablesResponse),
     (SetRoomParticipantRole, Ack),
     (BlameBuffer, BlameBufferResponse),
     (RejoinRemoteProjects, RejoinRemoteProjectsResponse),
+    // todo(lsp) remove after Zed Stable hits v0.204.x
     (MultiLspQuery, MultiLspQueryResponse),
+    (LspQuery, Ack),
+    (LspQueryResponse, Ack),
     (RestartLanguageServers, Ack),
     (StopLanguageServers, Ack),
     (OpenContext, OpenContextResponse),
@@ -460,7 +456,7 @@ request_messages!(
     (ActivateToolchain, Ack),
     (ActiveToolchain, ActiveToolchainResponse),
     (GetPathMetadata, GetPathMetadataResponse),
-    (GetPanicFiles, GetPanicFilesResponse),
+    (GetCrashFiles, GetCrashFilesResponse),
     (CancelLanguageServerWork, Ack),
     (SyncExtensions, SyncExtensionsResponse),
     (InstallExtension, Ack),
@@ -483,7 +479,23 @@ request_messages!(
     (GetDebugAdapterBinary, DebugAdapterBinary),
     (RunDebugLocators, DebugRequest),
     (GetDocumentDiagnostics, GetDocumentDiagnosticsResponse),
-    (PullWorkspaceDiagnostics, Ack)
+    (PullWorkspaceDiagnostics, Ack),
+    (GetDefaultBranch, GetDefaultBranchResponse),
+    (GitClone, GitCloneResponse)
+);
+
+lsp_messages!(
+    (GetReferences, GetReferencesResponse, true),
+    (GetDocumentColor, GetDocumentColorResponse, true),
+    (GetHover, GetHoverResponse, true),
+    (GetCodeActions, GetCodeActionsResponse, true),
+    (GetSignatureHelp, GetSignatureHelpResponse, true),
+    (GetCodeLens, GetCodeLensResponse, true),
+    (GetDocumentDiagnostics, GetDocumentDiagnosticsResponse, true),
+    (GetDefinition, GetDefinitionResponse, true),
+    (GetDeclaration, GetDeclarationResponse, true),
+    (GetTypeDefinition, GetTypeDefinitionResponse, true),
+    (GetImplementation, GetImplementationResponse, true),
 );
 
 entity_messages!(
@@ -528,6 +540,9 @@ entity_messages!(
     LeaveProject,
     LinkedEditingRange,
     LoadCommitDiff,
+    LspQuery,
+    LspQueryResponse,
+    // todo(lsp) remove after Zed Stable hits v0.204.x
     MultiLspQuery,
     RestartLanguageServers,
     StopLanguageServers,
@@ -585,7 +600,6 @@ entity_messages!(
     OpenServerSettings,
     GetPermalinkToLine,
     LanguageServerPromptRequest,
-    LanguageServerIdForName,
     GitGetBranches,
     UpdateGitBranch,
     ListToolchains,
@@ -615,7 +629,9 @@ entity_messages!(
     GetDebugAdapterBinary,
     LogToDebugConsole,
     GetDocumentDiagnostics,
-    PullWorkspaceDiagnostics
+    PullWorkspaceDiagnostics,
+    GetDefaultBranch,
+    GitClone
 );
 
 entity_messages!(
@@ -784,6 +800,47 @@ pub fn split_repository_update(
     }])
 }
 
+impl LspQuery {
+    pub fn query_name_and_write_permissions(&self) -> (&str, bool) {
+        match self.request {
+            Some(lsp_query::Request::GetHover(_)) => ("GetHover", false),
+            Some(lsp_query::Request::GetCodeActions(_)) => ("GetCodeActions", true),
+            Some(lsp_query::Request::GetSignatureHelp(_)) => ("GetSignatureHelp", false),
+            Some(lsp_query::Request::GetCodeLens(_)) => ("GetCodeLens", true),
+            Some(lsp_query::Request::GetDocumentDiagnostics(_)) => {
+                ("GetDocumentDiagnostics", false)
+            }
+            Some(lsp_query::Request::GetDefinition(_)) => ("GetDefinition", false),
+            Some(lsp_query::Request::GetDeclaration(_)) => ("GetDeclaration", false),
+            Some(lsp_query::Request::GetTypeDefinition(_)) => ("GetTypeDefinition", false),
+            Some(lsp_query::Request::GetImplementation(_)) => ("GetImplementation", false),
+            Some(lsp_query::Request::GetReferences(_)) => ("GetReferences", false),
+            Some(lsp_query::Request::GetDocumentColor(_)) => ("GetDocumentColor", false),
+            None => ("<unknown>", true),
+        }
+    }
+}
+
+// todo(lsp) remove after Zed Stable hits v0.204.x
+impl MultiLspQuery {
+    pub fn request_str(&self) -> &str {
+        match self.request {
+            Some(multi_lsp_query::Request::GetHover(_)) => "GetHover",
+            Some(multi_lsp_query::Request::GetCodeActions(_)) => "GetCodeActions",
+            Some(multi_lsp_query::Request::GetSignatureHelp(_)) => "GetSignatureHelp",
+            Some(multi_lsp_query::Request::GetCodeLens(_)) => "GetCodeLens",
+            Some(multi_lsp_query::Request::GetDocumentDiagnostics(_)) => "GetDocumentDiagnostics",
+            Some(multi_lsp_query::Request::GetDocumentColor(_)) => "GetDocumentColor",
+            Some(multi_lsp_query::Request::GetDefinition(_)) => "GetDefinition",
+            Some(multi_lsp_query::Request::GetDeclaration(_)) => "GetDeclaration",
+            Some(multi_lsp_query::Request::GetTypeDefinition(_)) => "GetTypeDefinition",
+            Some(multi_lsp_query::Request::GetImplementation(_)) => "GetImplementation",
+            Some(multi_lsp_query::Request::GetReferences(_)) => "GetReferences",
+            None => "<unknown>",
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/crates/proto/src/typed_envelope.rs b/crates/proto/src/typed_envelope.rs
index 381a6379dc..f677a3b967 100644
--- a/crates/proto/src/typed_envelope.rs
+++ b/crates/proto/src/typed_envelope.rs
@@ -31,6 +31,58 @@ pub trait RequestMessage: EnvelopedMessage {
     type Response: EnvelopedMessage;
 }
 
+/// A trait to bind LSP request and responses for the proto layer.
+/// Should be used for every LSP request that has to traverse through the proto layer.
+///
+/// `lsp_messages` macro in the same crate provides a convenient way to implement this.
+pub trait LspRequestMessage: EnvelopedMessage {
+    type Response: EnvelopedMessage;
+
+    fn to_proto_query(self) -> crate::lsp_query::Request;
+
+    fn response_to_proto_query(response: Self::Response) -> crate::lsp_response::Response;
+
+    fn buffer_id(&self) -> u64;
+
+    fn buffer_version(&self) -> &[crate::VectorClockEntry];
+
+    /// Whether to deduplicate the requests, or keep the previous ones running when another
+    /// request of the same kind is processed.
+    fn stop_previous_requests() -> bool;
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub struct LspRequestId(pub u64);
+
+/// A response from a single language server.
+/// There could be multiple responses for a single LSP request,
+/// from different servers.
+pub struct ProtoLspResponse<R> {
+    pub server_id: u64,
+    pub response: R,
+}
+
+impl ProtoLspResponse<Box<dyn AnyTypedEnvelope>> {
+    pub fn into_response<T: LspRequestMessage>(self) -> Result<ProtoLspResponse<T::Response>> {
+        let envelope = self
+            .response
+            .into_any()
+            .downcast::<TypedEnvelope<T::Response>>()
+            .map_err(|_| {
+                anyhow::anyhow!(
+                    "cannot downcast LspResponse to {} for message {}",
+                    T::Response::NAME,
+                    T::NAME,
+                )
+            })?;
+
+        Ok(ProtoLspResponse {
+            server_id: self.server_id,
+            response: envelope.payload,
+        })
+    }
+}
+
 pub trait AnyTypedEnvelope: Any + Send + Sync {
     fn payload_type_id(&self) -> TypeId;
     fn payload_type_name(&self) -> &'static str;
diff --git a/crates/recent_projects/src/disconnected_overlay.rs b/crates/recent_projects/src/disconnected_overlay.rs
index a6cd26355c..8ffe0ef07c 100644
--- a/crates/recent_projects/src/disconnected_overlay.rs
+++ b/crates/recent_projects/src/disconnected_overlay.rs
@@ -1,5 +1,3 @@
-use std::path::PathBuf;
-
 use gpui::{ClickEvent, DismissEvent, EventEmitter, FocusHandle, Focusable, Render, WeakEntity};
 use project::project_settings::ProjectSettings;
 use remote::SshConnectionOptions;
@@ -37,7 +35,7 @@ impl ModalView for DisconnectedOverlay {
         _window: &mut Window,
         _: &mut Context<Self>,
     ) -> workspace::DismissDecision {
-        return workspace::DismissDecision::Dismiss(self.finished);
+        workspace::DismissDecision::Dismiss(self.finished)
     }
     fn fade_out_background(&self) -> bool {
         true
@@ -88,11 +86,8 @@ impl DisconnectedOverlay {
         self.finished = true;
         cx.emit(DismissEvent);
 
-        match &self.host {
-            Host::SshRemoteProject(ssh_connection_options) => {
-                self.reconnect_to_ssh_remote(ssh_connection_options.clone(), window, cx);
-            }
-            _ => {}
+        if let Host::SshRemoteProject(ssh_connection_options) = &self.host {
+            self.reconnect_to_ssh_remote(ssh_connection_options.clone(), window, cx);
         }
     }
 
@@ -106,17 +101,17 @@ impl DisconnectedOverlay {
             return;
         };
 
-        let Some(ssh_project) = workspace.read(cx).serialized_ssh_project() else {
-            return;
-        };
-
         let Some(window_handle) = window.window_handle().downcast::<Workspace>() else {
             return;
         };
 
         let app_state = workspace.read(cx).app_state().clone();
-
-        let paths = ssh_project.paths.iter().map(PathBuf::from).collect();
+        let paths = workspace
+            .read(cx)
+            .root_paths(cx)
+            .iter()
+            .map(|path| path.to_path_buf())
+            .collect();
 
         cx.spawn_in(window, async move |_, cx| {
             open_ssh_project(
diff --git a/crates/recent_projects/src/recent_projects.rs b/crates/recent_projects/src/recent_projects.rs
index 5dbde6496d..fa57b588cd 100644
--- a/crates/recent_projects/src/recent_projects.rs
+++ b/crates/recent_projects/src/recent_projects.rs
@@ -19,15 +19,12 @@ use picker::{
 pub use remote_servers::RemoteServerProjects;
 use settings::Settings;
 pub use ssh_connections::SshSettings;
-use std::{
-    path::{Path, PathBuf},
-    sync::Arc,
-};
+use std::{path::Path, sync::Arc};
 use ui::{KeyBinding, ListItem, ListItemSpacing, Tooltip, prelude::*, tooltip_container};
 use util::{ResultExt, paths::PathExt};
 use workspace::{
-    CloseIntent, HistoryManager, ModalView, OpenOptions, SerializedWorkspaceLocation, WORKSPACE_DB,
-    Workspace, WorkspaceId, with_active_or_new_workspace,
+    CloseIntent, HistoryManager, ModalView, OpenOptions, PathList, SerializedWorkspaceLocation,
+    WORKSPACE_DB, Workspace, WorkspaceId, with_active_or_new_workspace,
 };
 use zed_actions::{OpenRecent, OpenRemote};
 
@@ -141,6 +138,7 @@ impl Focusable for RecentProjects {
 impl Render for RecentProjects {
     fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         v_flex()
+            .key_context("RecentProjects")
             .w(rems(self.rem_width))
             .child(self.picker.clone())
             .on_mouse_down_out(cx.listener(|this, _, window, cx| {
@@ -153,7 +151,7 @@ impl Render for RecentProjects {
 
 pub struct RecentProjectsDelegate {
     workspace: WeakEntity<Workspace>,
-    workspaces: Vec<(WorkspaceId, SerializedWorkspaceLocation)>,
+    workspaces: Vec<(WorkspaceId, SerializedWorkspaceLocation, PathList)>,
     selected_match_index: usize,
     matches: Vec<StringMatch>,
     render_paths: bool,
@@ -177,12 +175,15 @@ impl RecentProjectsDelegate {
         }
     }
 
-    pub fn set_workspaces(&mut self, workspaces: Vec<(WorkspaceId, SerializedWorkspaceLocation)>) {
+    pub fn set_workspaces(
+        &mut self,
+        workspaces: Vec<(WorkspaceId, SerializedWorkspaceLocation, PathList)>,
+    ) {
         self.workspaces = workspaces;
         self.has_any_non_local_projects = !self
             .workspaces
             .iter()
-            .all(|(_, location)| matches!(location, SerializedWorkspaceLocation::Local(_, _)));
+            .all(|(_, location, _)| matches!(location, SerializedWorkspaceLocation::Local));
     }
 }
 impl EventEmitter<DismissEvent> for RecentProjectsDelegate {}
@@ -235,15 +236,14 @@ impl PickerDelegate for RecentProjectsDelegate {
             .workspaces
             .iter()
             .enumerate()
-            .filter(|(_, (id, _))| !self.is_current_workspace(*id, cx))
-            .map(|(id, (_, location))| {
-                let combined_string = location
-                    .sorted_paths()
+            .filter(|(_, (id, _, _))| !self.is_current_workspace(*id, cx))
+            .map(|(id, (_, _, paths))| {
+                let combined_string = paths
+                    .paths()
                     .iter()
                     .map(|path| path.compact().to_string_lossy().into_owned())
                     .collect::<Vec<_>>()
                     .join("");
-
                 StringMatchCandidate::new(id, &combined_string)
             })
             .collect::<Vec<_>>();
@@ -278,7 +278,7 @@ impl PickerDelegate for RecentProjectsDelegate {
             .get(self.selected_index())
             .zip(self.workspace.upgrade())
         {
-            let (candidate_workspace_id, candidate_workspace_location) =
+            let (candidate_workspace_id, candidate_workspace_location, candidate_workspace_paths) =
                 &self.workspaces[selected_match.candidate_id];
             let replace_current_window = if self.create_new_window {
                 secondary
@@ -291,8 +291,8 @@ impl PickerDelegate for RecentProjectsDelegate {
                         Task::ready(Ok(()))
                     } else {
                         match candidate_workspace_location {
-                            SerializedWorkspaceLocation::Local(paths, _) => {
-                                let paths = paths.paths().to_vec();
+                            SerializedWorkspaceLocation::Local => {
+                                let paths = candidate_workspace_paths.paths().to_vec();
                                 if replace_current_window {
                                     cx.spawn_in(window, async move |workspace, cx| {
                                         let continue_replacing = workspace
@@ -320,7 +320,7 @@ impl PickerDelegate for RecentProjectsDelegate {
                                     workspace.open_workspace_for_paths(false, paths, window, cx)
                                 }
                             }
-                            SerializedWorkspaceLocation::Ssh(ssh_project) => {
+                            SerializedWorkspaceLocation::Ssh(connection) => {
                                 let app_state = workspace.app_state().clone();
 
                                 let replace_window = if replace_current_window {
@@ -336,12 +336,12 @@ impl PickerDelegate for RecentProjectsDelegate {
 
                                 let connection_options = SshSettings::get_global(cx)
                                     .connection_options_for(
-                                        ssh_project.host.clone(),
-                                        ssh_project.port,
-                                        ssh_project.user.clone(),
+                                        connection.host.clone(),
+                                        connection.port,
+                                        connection.user.clone(),
                                     );
 
-                                let paths = ssh_project.paths.iter().map(PathBuf::from).collect();
+                                let paths = candidate_workspace_paths.paths().to_vec();
 
                                 cx.spawn_in(window, async move |_, cx| {
                                     open_ssh_project(
@@ -382,12 +382,12 @@ impl PickerDelegate for RecentProjectsDelegate {
     ) -> Option<Self::ListItem> {
         let hit = self.matches.get(ix)?;
 
-        let (_, location) = self.workspaces.get(hit.candidate_id)?;
+        let (_, location, paths) = self.workspaces.get(hit.candidate_id)?;
 
         let mut path_start_offset = 0;
 
-        let (match_labels, paths): (Vec<_>, Vec<_>) = location
-            .sorted_paths()
+        let (match_labels, paths): (Vec<_>, Vec<_>) = paths
+            .paths()
             .iter()
             .map(|p| p.compact())
             .map(|path| {
@@ -415,11 +415,9 @@ impl PickerDelegate for RecentProjectsDelegate {
                         .gap_3()
                         .when(self.has_any_non_local_projects, |this| {
                             this.child(match location {
-                                SerializedWorkspaceLocation::Local(_, _) => {
-                                    Icon::new(IconName::Screen)
-                                        .color(Color::Muted)
-                                        .into_any_element()
-                                }
+                                SerializedWorkspaceLocation::Local => Icon::new(IconName::Screen)
+                                    .color(Color::Muted)
+                                    .into_any_element(),
                                 SerializedWorkspaceLocation::Ssh(_) => Icon::new(IconName::Server)
                                     .color(Color::Muted)
                                     .into_any_element(),
@@ -567,7 +565,7 @@ impl RecentProjectsDelegate {
         cx: &mut Context<Picker<Self>>,
     ) {
         if let Some(selected_match) = self.matches.get(ix) {
-            let (workspace_id, _) = self.workspaces[selected_match.candidate_id];
+            let (workspace_id, _, _) = self.workspaces[selected_match.candidate_id];
             cx.spawn_in(window, async move |this, cx| {
                 let _ = WORKSPACE_DB.delete_workspace_by_id(workspace_id).await;
                 let workspaces = WORKSPACE_DB
@@ -706,7 +704,8 @@ mod tests {
                     }];
                     delegate.set_workspaces(vec![(
                         WorkspaceId::default(),
-                        SerializedWorkspaceLocation::from_local_paths(vec![path!("/test/path/")]),
+                        SerializedWorkspaceLocation::Local,
+                        PathList::new(&[path!("/test/path")]),
                     )]);
                 });
             })
diff --git a/crates/recent_projects/src/remote_servers.rs b/crates/recent_projects/src/remote_servers.rs
index aa5103e62b..a9c3284d0b 100644
--- a/crates/recent_projects/src/remote_servers.rs
+++ b/crates/recent_projects/src/remote_servers.rs
@@ -119,7 +119,7 @@ impl EditNicknameState {
         let starting_text = SshSettings::get_global(cx)
             .ssh_connections()
             .nth(index)
-            .and_then(|state| state.nickname.clone())
+            .and_then(|state| state.nickname)
             .filter(|text| !text.is_empty());
         this.editor.update(cx, |this, cx| {
             this.set_placeholder_text("Add a nickname for this server", cx);
@@ -165,7 +165,7 @@ impl ProjectPicker {
         let nickname = connection.nickname.clone().map(|nick| nick.into());
         let _path_task = cx
             .spawn_in(window, {
-                let workspace = workspace.clone();
+                let workspace = workspace;
                 async move |this, cx| {
                     let Ok(Some(paths)) = rx.await else {
                         workspace
@@ -520,7 +520,7 @@ impl RemoteServerProjects {
         self.mode = Mode::CreateRemoteServer(CreateRemoteServer {
             address_editor: editor,
             address_error: None,
-            ssh_prompt: Some(ssh_prompt.clone()),
+            ssh_prompt: Some(ssh_prompt),
             _creating: Some(creating),
         });
     }
@@ -664,10 +664,10 @@ impl RemoteServerProjects {
                 let text = Some(state.editor.read(cx).text(cx)).filter(|text| !text.is_empty());
                 let index = state.index;
                 self.update_settings_file(cx, move |setting, _| {
-                    if let Some(connections) = setting.ssh_connections.as_mut() {
-                        if let Some(connection) = connections.get_mut(index) {
-                            connection.nickname = text;
-                        }
+                    if let Some(connections) = setting.ssh_connections.as_mut()
+                        && let Some(connection) = connections.get_mut(index)
+                    {
+                        connection.nickname = text;
                     }
                 });
                 self.mode = Mode::default_mode(&self.ssh_config_servers, cx);
@@ -843,7 +843,7 @@ impl RemoteServerProjects {
                                 .start_slot(Icon::new(IconName::Plus).color(Color::Muted))
                                 .child(Label::new("Open Folder"))
                                 .on_click(cx.listener({
-                                    let ssh_connection = connection.clone();
+                                    let ssh_connection = connection;
                                     let host = host.clone();
                                     move |this, _, window, cx| {
                                         let new_ix = this.create_host_from_ssh_config(&host, cx);
@@ -953,7 +953,7 @@ impl RemoteServerProjects {
                     )
                     .child(Label::new(project.paths.join(", ")))
                     .on_click(cx.listener(move |this, e: &ClickEvent, window, cx| {
-                        let secondary_confirm = e.down.modifiers.platform;
+                        let secondary_confirm = e.modifiers().platform;
                         callback(this, secondary_confirm, window, cx)
                     }))
                     .when(is_from_zed, |server_list_item| {
@@ -963,7 +963,7 @@ impl RemoteServerProjects {
                                 .child({
                                     let project = project.clone();
                                     // Right-margin to offset it from the Scrollbar
-                                    IconButton::new("remove-remote-project", IconName::TrashAlt)
+                                    IconButton::new("remove-remote-project", IconName::Trash)
                                         .icon_size(IconSize::Small)
                                         .shape(IconButtonShape::Square)
                                         .size(ButtonSize::Large)
@@ -1094,11 +1094,10 @@ impl RemoteServerProjects {
                                         .size(LabelSize::Small),
                                     )
                                     .child(
-                                        Button::new("learn-more", "Learn more…")
+                                        Button::new("learn-more", "Learn More")
                                             .label_size(LabelSize::Small)
-                                            .size(ButtonSize::None)
-                                            .color(Color::Accent)
-                                            .style(ButtonStyle::Transparent)
+                                            .icon(IconName::ArrowUpRight)
+                                            .icon_size(IconSize::XSmall)
                                             .on_click(|_, _, cx| {
                                                 cx.open_url(
                                                     "https://zed.dev/docs/remote-development",
@@ -1292,7 +1291,7 @@ impl RemoteServerProjects {
                                     let connection_string = connection_string.clone();
                                     move |_, _: &menu::Confirm, window, cx| {
                                         remove_ssh_server(
-                                            cx.entity().clone(),
+                                            cx.entity(),
                                             server_index,
                                             connection_string.clone(),
                                             window,
@@ -1312,7 +1311,7 @@ impl RemoteServerProjects {
                                         .child(Label::new("Remove Server").color(Color::Error))
                                         .on_click(cx.listener(move |_, _, window, cx| {
                                             remove_ssh_server(
-                                                cx.entity().clone(),
+                                                cx.entity(),
                                                 server_index,
                                                 connection_string.clone(),
                                                 window,
@@ -1377,7 +1376,7 @@ impl RemoteServerProjects {
         };
 
         let connection_string = connection.host.clone();
-        let nickname = connection.nickname.clone().map(|s| s.into());
+        let nickname = connection.nickname.map(|s| s.into());
 
         v_flex()
             .id("ssh-edit-nickname")
@@ -1411,7 +1410,7 @@ impl RemoteServerProjects {
         if ssh_settings
             .ssh_connections
             .as_ref()
-            .map_or(false, |connections| {
+            .is_some_and(|connections| {
                 state
                     .servers
                     .iter()
@@ -1491,7 +1490,7 @@ impl RemoteServerProjects {
                 .track_focus(&self.focus_handle(cx))
                 .id("ssh-server-list")
                 .overflow_y_scroll()
-                .track_scroll(&scroll_handle)
+                .track_scroll(scroll_handle)
                 .size_full()
                 .child(connect_button)
                 .child(
diff --git a/crates/recent_projects/src/ssh_connections.rs b/crates/recent_projects/src/ssh_connections.rs
index 5a38e1aadb..d07ea48c7e 100644
--- a/crates/recent_projects/src/ssh_connections.rs
+++ b/crates/recent_projects/src/ssh_connections.rs
@@ -357,7 +357,7 @@ impl RenderOnce for SshConnectionHeader {
             .rounded_t_sm()
             .w_full()
             .gap_1p5()
-            .child(Icon::new(IconName::Server).size(IconSize::XSmall))
+            .child(Icon::new(IconName::Server).size(IconSize::Small))
             .child(
                 h_flex()
                     .gap_1()
@@ -436,7 +436,7 @@ impl ModalView for SshConnectionModal {
         _window: &mut Window,
         _: &mut Context<Self>,
     ) -> workspace::DismissDecision {
-        return workspace::DismissDecision::Dismiss(self.finished);
+        workspace::DismissDecision::Dismiss(self.finished)
     }
 
     fn fade_out_background(&self) -> bool {
@@ -681,7 +681,7 @@ pub async fn open_ssh_project(
 
         window
             .update(cx, |workspace, _, cx| {
-                if let Some(client) = workspace.project().read(cx).ssh_client().clone() {
+                if let Some(client) = workspace.project().read(cx).ssh_client() {
                     ExtensionStore::global(cx)
                         .update(cx, |store, cx| store.register_ssh_client(client, cx));
                 }
diff --git a/crates/refineable/derive_refineable/src/derive_refineable.rs b/crates/refineable/derive_refineable/src/derive_refineable.rs
index 3f6b45cc12..ddf3855a4d 100644
--- a/crates/refineable/derive_refineable/src/derive_refineable.rs
+++ b/crates/refineable/derive_refineable/src/derive_refineable.rs
@@ -510,12 +510,12 @@ fn is_refineable_field(f: &Field) -> bool {
 }
 
 fn is_optional_field(f: &Field) -> bool {
-    if let Type::Path(typepath) = &f.ty {
-        if typepath.qself.is_none() {
-            let segments = &typepath.path.segments;
-            if segments.len() == 1 && segments.iter().any(|s| s.ident == "Option") {
-                return true;
-            }
+    if let Type::Path(typepath) = &f.ty
+        && typepath.qself.is_none()
+    {
+        let segments = &typepath.path.segments;
+        if segments.len() == 1 && segments.iter().any(|s| s.ident == "Option") {
+            return true;
         }
     }
     false
diff --git a/crates/remote/src/protocol.rs b/crates/remote/src/protocol.rs
index 787094781d..e5a9c5b7a5 100644
--- a/crates/remote/src/protocol.rs
+++ b/crates/remote/src/protocol.rs
@@ -31,8 +31,8 @@ pub async fn read_message<S: AsyncRead + Unpin>(
     stream.read_exact(buffer).await?;
 
     let len = message_len_from_buffer(buffer);
-    let result = read_message_with_len(stream, buffer, len).await;
-    result
+
+    read_message_with_len(stream, buffer, len).await
 }
 
 pub async fn write_message<S: AsyncWrite + Unpin>(
diff --git a/crates/remote/src/remote.rs b/crates/remote/src/remote.rs
index 43eb59c0ae..71895f1678 100644
--- a/crates/remote/src/remote.rs
+++ b/crates/remote/src/remote.rs
@@ -4,6 +4,6 @@ pub mod proxy;
 pub mod ssh_session;
 
 pub use ssh_session::{
-    ConnectionState, SshClientDelegate, SshConnectionOptions, SshPlatform, SshRemoteClient,
-    SshRemoteEvent,
+    ConnectionState, SshClientDelegate, SshConnectionOptions, SshInfo, SshPlatform,
+    SshRemoteClient, SshRemoteEvent,
 };
diff --git a/crates/remote/src/ssh_session.rs b/crates/remote/src/ssh_session.rs
index 4306251e44..6794018470 100644
--- a/crates/remote/src/ssh_session.rs
+++ b/crates/remote/src/ssh_session.rs
@@ -26,8 +26,7 @@ use parking_lot::Mutex;
 
 use release_channel::{AppCommitSha, AppVersion, ReleaseChannel};
 use rpc::{
-    AnyProtoClient, EntityMessageSubscriber, ErrorExt, ProtoClient, ProtoMessageHandlerSet,
-    RpcError,
+    AnyProtoClient, ErrorExt, ProtoClient, ProtoMessageHandlerSet, RpcError,
     proto::{self, Envelope, EnvelopedMessage, PeerId, RequestMessage, build_typed_envelope},
 };
 use schemars::JsonSchema;
@@ -37,7 +36,6 @@ use smol::{
     process::{self, Child, Stdio},
 };
 use std::{
-    any::TypeId,
     collections::VecDeque,
     fmt, iter,
     ops::ControlFlow,
@@ -54,11 +52,6 @@ use util::{
     paths::{PathStyle, RemotePathBuf},
 };
 
-#[derive(
-    Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, serde::Serialize, serde::Deserialize,
-)]
-pub struct SshProjectId(pub u64);
-
 #[derive(Clone)]
 pub struct SshSocket {
     connection_options: SshConnectionOptions,
@@ -91,11 +84,19 @@ pub struct SshConnectionOptions {
     pub upload_binary_over_ssh: bool,
 }
 
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub struct SshArgs {
     pub arguments: Vec<String>,
     pub envs: Option<HashMap<String, String>>,
 }
 
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct SshInfo {
+    pub args: SshArgs,
+    pub path_style: PathStyle,
+    pub shell: String,
+}
+
 #[macro_export]
 macro_rules! shell_script {
     ($fmt:expr, $($name:ident = $arg:expr),+ $(,)?) => {{
@@ -235,8 +236,8 @@ impl SshConnectionOptions {
         };
 
         Ok(Self {
-            host: hostname.to_string(),
-            username: username.clone(),
+            host: hostname,
+            username,
             port,
             port_forwards,
             args: Some(args),
@@ -400,6 +401,7 @@ impl SshSocket {
             .stdin(Stdio::piped())
             .stdout(Stdio::piped())
             .stderr(Stdio::piped())
+            .args(self.connection_options.additional_args())
             .args(["-o", "ControlMaster=no", "-o"])
             .arg(format!("ControlPath={}", self.socket_path.display()))
     }
@@ -410,6 +412,7 @@ impl SshSocket {
             .stdin(Stdio::piped())
             .stdout(Stdio::piped())
             .stderr(Stdio::piped())
+            .args(self.connection_options.additional_args())
             .envs(self.envs.clone())
     }
 
@@ -417,28 +420,32 @@ impl SshSocket {
     // On Linux, we use the `ControlPath` option to create a socket file that ssh can use to
     #[cfg(not(target_os = "windows"))]
     fn ssh_args(&self) -> SshArgs {
+        let mut arguments = self.connection_options.additional_args();
+        arguments.extend(vec![
+            "-o".to_string(),
+            "ControlMaster=no".to_string(),
+            "-o".to_string(),
+            format!("ControlPath={}", self.socket_path.display()),
+            self.connection_options.ssh_url(),
+        ]);
         SshArgs {
-            arguments: vec![
-                "-o".to_string(),
-                "ControlMaster=no".to_string(),
-                "-o".to_string(),
-                format!("ControlPath={}", self.socket_path.display()),
-                self.connection_options.ssh_url(),
-            ],
+            arguments,
             envs: None,
         }
     }
 
     #[cfg(target_os = "windows")]
     fn ssh_args(&self) -> SshArgs {
+        let mut arguments = self.connection_options.additional_args();
+        arguments.push(self.connection_options.ssh_url());
         SshArgs {
-            arguments: vec![self.connection_options.ssh_url()],
+            arguments,
             envs: Some(self.envs.clone()),
         }
     }
 
     async fn platform(&self) -> Result<SshPlatform> {
-        let uname = self.run_command("sh", &["-c", "uname -sm"]).await?;
+        let uname = self.run_command("sh", &["-lc", "uname -sm"]).await?;
         let Some((os, arch)) = uname.split_once(" ") else {
             anyhow::bail!("unknown uname: {uname:?}")
         };
@@ -467,6 +474,16 @@ impl SshSocket {
 
         Ok(SshPlatform { os, arch })
     }
+
+    async fn shell(&self) -> String {
+        match self.run_command("sh", &["-lc", "echo $SHELL"]).await {
+            Ok(shell) => shell.trim().to_owned(),
+            Err(e) => {
+                log::error!("Failed to get shell: {e}");
+                "sh".to_owned()
+            }
+        }
+    }
 }
 
 const MAX_MISSED_HEARTBEATS: usize = 5;
@@ -658,6 +675,7 @@ impl ConnectionIdentifier {
     pub fn setup() -> Self {
         Self::Setup(NEXT_ID.fetch_add(1, SeqCst))
     }
+
     // This string gets used in a socket name, and so must be relatively short.
     // The total length of:
     //   /home/{username}/.local/share/zed/server_state/{name}/stdout.sock
@@ -724,7 +742,7 @@ impl SshRemoteClient {
                     cx,
                 );
 
-                let multiplex_task = Self::monitor(this.downgrade(), io_task, &cx);
+                let multiplex_task = Self::monitor(this.downgrade(), io_task, cx);
 
                 if let Err(error) = client.ping(HEARTBEAT_TIMEOUT).await {
                     log::error!("failed to establish connection: {}", error);
@@ -754,6 +772,15 @@ impl SshRemoteClient {
         })
     }
 
+    pub fn proto_client_from_channels(
+        incoming_rx: mpsc::UnboundedReceiver<Envelope>,
+        outgoing_tx: mpsc::UnboundedSender<Envelope>,
+        cx: &App,
+        name: &'static str,
+    ) -> AnyProtoClient {
+        ChannelClient::new(incoming_rx, outgoing_tx, cx, name).into()
+    }
+
     pub fn shutdown_processes<T: RequestMessage>(
         &self,
         shutdown_request: Option<T>,
@@ -912,8 +939,8 @@ impl SshRemoteClient {
                 }
             };
 
-            let multiplex_task = Self::monitor(this.clone(), io_task, &cx);
-            client.reconnect(incoming_rx, outgoing_tx, &cx);
+            let multiplex_task = Self::monitor(this.clone(), io_task, cx);
+            client.reconnect(incoming_rx, outgoing_tx, cx);
 
             if let Err(error) = client.resync(HEARTBEAT_TIMEOUT).await {
                 failed!(error, attempts, ssh_connection, delegate);
@@ -934,7 +961,7 @@ impl SshRemoteClient {
                     if old_state.is_reconnecting() {
                         match &new_state {
                             State::Connecting
-                            | State::Reconnecting { .. }
+                            | State::Reconnecting
                             | State::HeartbeatMissed { .. }
                             | State::ServerNotRunning => {}
                             State::Connected { .. } => {
@@ -984,64 +1011,63 @@ impl SshRemoteClient {
         };
 
         cx.spawn(async move |cx| {
-                let mut missed_heartbeats = 0;
+            let mut missed_heartbeats = 0;
 
-                let keepalive_timer = cx.background_executor().timer(HEARTBEAT_INTERVAL).fuse();
-                futures::pin_mut!(keepalive_timer);
+            let keepalive_timer = cx.background_executor().timer(HEARTBEAT_INTERVAL).fuse();
+            futures::pin_mut!(keepalive_timer);
 
-                loop {
-                    select_biased! {
-                        result = connection_activity_rx.next().fuse() => {
-                            if result.is_none() {
-                                log::warn!("ssh heartbeat: connection activity channel has been dropped. stopping.");
-                                return Ok(());
-                            }
-
-                            if missed_heartbeats != 0 {
-                                missed_heartbeats = 0;
-                                let _ =this.update(cx, |this, mut cx| {
-                                    this.handle_heartbeat_result(missed_heartbeats, &mut cx)
-                                })?;
-                            }
+            loop {
+                select_biased! {
+                    result = connection_activity_rx.next().fuse() => {
+                        if result.is_none() {
+                            log::warn!("ssh heartbeat: connection activity channel has been dropped. stopping.");
+                            return Ok(());
                         }
-                        _ = keepalive_timer => {
-                            log::debug!("Sending heartbeat to server...");
 
-                            let result = select_biased! {
-                                _ = connection_activity_rx.next().fuse() => {
-                                    Ok(())
-                                }
-                                ping_result = client.ping(HEARTBEAT_TIMEOUT).fuse() => {
-                                    ping_result
-                                }
-                            };
-
-                            if result.is_err() {
-                                missed_heartbeats += 1;
-                                log::warn!(
-                                    "No heartbeat from server after {:?}. Missed heartbeat {} out of {}.",
-                                    HEARTBEAT_TIMEOUT,
-                                    missed_heartbeats,
-                                    MAX_MISSED_HEARTBEATS
-                                );
-                            } else if missed_heartbeats != 0 {
-                                missed_heartbeats = 0;
-                            } else {
-                                continue;
-                            }
-
-                            let result = this.update(cx, |this, mut cx| {
-                                this.handle_heartbeat_result(missed_heartbeats, &mut cx)
+                        if missed_heartbeats != 0 {
+                            missed_heartbeats = 0;
+                            let _ =this.update(cx, |this, cx| {
+                                this.handle_heartbeat_result(missed_heartbeats, cx)
                             })?;
-                            if result.is_break() {
-                                return Ok(());
-                            }
                         }
                     }
+                    _ = keepalive_timer => {
+                        log::debug!("Sending heartbeat to server...");
 
-                    keepalive_timer.set(cx.background_executor().timer(HEARTBEAT_INTERVAL).fuse());
+                        let result = select_biased! {
+                            _ = connection_activity_rx.next().fuse() => {
+                                Ok(())
+                            }
+                            ping_result = client.ping(HEARTBEAT_TIMEOUT).fuse() => {
+                                ping_result
+                            }
+                        };
+
+                        if result.is_err() {
+                            missed_heartbeats += 1;
+                            log::warn!(
+                                "No heartbeat from server after {:?}. Missed heartbeat {} out of {}.",
+                                HEARTBEAT_TIMEOUT,
+                                missed_heartbeats,
+                                MAX_MISSED_HEARTBEATS
+                            );
+                        } else if missed_heartbeats != 0 {
+                            missed_heartbeats = 0;
+                        } else {
+                            continue;
+                        }
+
+                        let result = this.update(cx, |this, cx| {
+                            this.handle_heartbeat_result(missed_heartbeats, cx)
+                        })?;
+                        if result.is_break() {
+                            return Ok(());
+                        }
+                    }
                 }
 
+                keepalive_timer.set(cx.background_executor().timer(HEARTBEAT_INTERVAL).fuse());
+            }
         })
     }
 
@@ -1113,7 +1139,7 @@ impl SshRemoteClient {
     }
 
     fn state_is(&self, check: impl FnOnce(&State) -> bool) -> bool {
-        self.state.lock().as_ref().map_or(false, check)
+        self.state.lock().as_ref().is_some_and(check)
     }
 
     fn try_set_state(&self, cx: &mut Context<Self>, map: impl FnOnce(&State) -> Option<State>) {
@@ -1139,16 +1165,16 @@ impl SshRemoteClient {
         cx.notify();
     }
 
-    pub fn subscribe_to_entity<E: 'static>(&self, remote_id: u64, entity: &Entity<E>) {
-        self.client.subscribe_to_entity(remote_id, entity);
-    }
-
-    pub fn ssh_info(&self) -> Option<(SshArgs, PathStyle)> {
+    pub fn ssh_info(&self) -> Option<SshInfo> {
         self.state
             .lock()
             .as_ref()
             .and_then(|state| state.ssh_connection())
-            .map(|ssh_connection| (ssh_connection.ssh_args(), ssh_connection.path_style()))
+            .map(|ssh_connection| SshInfo {
+                args: ssh_connection.ssh_args(),
+                path_style: ssh_connection.path_style(),
+                shell: ssh_connection.shell(),
+            })
     }
 
     pub fn upload_directory(
@@ -1208,7 +1234,7 @@ impl SshRemoteClient {
                 .await
                 .unwrap();
 
-            connection.simulate_disconnect(&cx);
+            connection.simulate_disconnect(cx);
         })
     }
 
@@ -1216,7 +1242,7 @@ impl SshRemoteClient {
     pub fn fake_server(
         client_cx: &mut gpui::TestAppContext,
         server_cx: &mut gpui::TestAppContext,
-    ) -> (SshConnectionOptions, Arc<ChannelClient>) {
+    ) -> (SshConnectionOptions, AnyProtoClient) {
         let port = client_cx
             .update(|cx| cx.default_global::<ConnectionPool>().connections.len() as u16 + 1);
         let opts = SshConnectionOptions {
@@ -1249,7 +1275,7 @@ impl SshRemoteClient {
             })
         });
 
-        (opts, server_client)
+        (opts, server_client.into())
     }
 
     #[cfg(any(test, feature = "test-support"))]
@@ -1304,10 +1330,10 @@ impl ConnectionPool {
                 return task.clone();
             }
             Some(ConnectionPoolEntry::Connected(ssh)) => {
-                if let Some(ssh) = ssh.upgrade() {
-                    if !ssh.has_been_killed() {
-                        return Task::ready(Ok(ssh)).shared();
-                    }
+                if let Some(ssh) = ssh.upgrade()
+                    && !ssh.has_been_killed()
+                {
+                    return Task::ready(Ok(ssh)).shared();
                 }
                 self.connections.remove(&opts);
             }
@@ -1354,7 +1380,7 @@ impl ConnectionPool {
 
 impl From<SshRemoteClient> for AnyProtoClient {
     fn from(client: SshRemoteClient) -> Self {
-        AnyProtoClient::new(client.client.clone())
+        AnyProtoClient::new(client.client)
     }
 }
 
@@ -1383,6 +1409,7 @@ trait RemoteConnection: Send + Sync {
     fn ssh_args(&self) -> SshArgs;
     fn connection_options(&self) -> SshConnectionOptions;
     fn path_style(&self) -> PathStyle;
+    fn shell(&self) -> String;
 
     #[cfg(any(test, feature = "test-support"))]
     fn simulate_disconnect(&self, _: &AsyncApp) {}
@@ -1394,6 +1421,7 @@ struct SshRemoteConnection {
     remote_binary_path: Option<RemotePathBuf>,
     ssh_platform: SshPlatform,
     ssh_path_style: PathStyle,
+    ssh_shell: String,
     _temp_dir: TempDir,
 }
 
@@ -1420,6 +1448,10 @@ impl RemoteConnection for SshRemoteConnection {
         self.socket.connection_options.clone()
     }
 
+    fn shell(&self) -> String {
+        self.ssh_shell.clone()
+    }
+
     fn upload_directory(
         &self,
         src_path: PathBuf,
@@ -1443,7 +1475,7 @@ impl RemoteConnection for SshRemoteConnection {
             .arg(format!(
                 "{}:{}",
                 self.socket.connection_options.scp_url(),
-                dest_path.to_string()
+                dest_path
             ))
             .output();
 
@@ -1484,27 +1516,24 @@ impl RemoteConnection for SshRemoteConnection {
             identifier = &unique_identifier,
         );
 
-        if let Some(rust_log) = std::env::var("RUST_LOG").ok() {
-            start_proxy_command = format!(
-                "RUST_LOG={} {}",
-                shlex::try_quote(&rust_log).unwrap(),
-                start_proxy_command
-            )
-        }
-        if let Some(rust_backtrace) = std::env::var("RUST_BACKTRACE").ok() {
-            start_proxy_command = format!(
-                "RUST_BACKTRACE={} {}",
-                shlex::try_quote(&rust_backtrace).unwrap(),
-                start_proxy_command
-            )
+        for env_var in ["RUST_LOG", "RUST_BACKTRACE", "ZED_GENERATE_MINIDUMPS"] {
+            if let Some(value) = std::env::var(env_var).ok() {
+                start_proxy_command = format!(
+                    "{}={} {} ",
+                    env_var,
+                    shlex::try_quote(&value).unwrap(),
+                    start_proxy_command,
+                );
+            }
         }
+
         if reconnect {
             start_proxy_command.push_str(" --reconnect");
         }
 
         let ssh_proxy_process = match self
             .socket
-            .ssh_command("sh", &["-c", &start_proxy_command])
+            .ssh_command("sh", &["-lc", &start_proxy_command])
             // IMPORTANT: we kill this process when we drop the task that uses it.
             .kill_on_drop(true)
             .spawn()
@@ -1520,7 +1549,7 @@ impl RemoteConnection for SshRemoteConnection {
             incoming_tx,
             outgoing_rx,
             connection_activity_tx,
-            &cx,
+            cx,
         )
     }
 
@@ -1636,6 +1665,7 @@ impl SshRemoteConnection {
             "windows" => PathStyle::Windows,
             _ => PathStyle::Posix,
         };
+        let ssh_shell = socket.shell().await;
 
         let mut this = Self {
             socket,
@@ -1644,6 +1674,7 @@ impl SshRemoteConnection {
             remote_binary_path: None,
             ssh_path_style,
             ssh_platform,
+            ssh_shell,
         };
 
         let (release_channel, version, commit) = cx.update(|cx| {
@@ -1830,33 +1861,28 @@ impl SshRemoteConnection {
         })??;
 
         let tmp_path_gz = RemotePathBuf::new(
-            PathBuf::from(format!(
-                "{}-download-{}.gz",
-                dst_path.to_string(),
-                std::process::id()
-            )),
+            PathBuf::from(format!("{}-download-{}.gz", dst_path, std::process::id())),
             self.ssh_path_style,
         );
-        if !self.socket.connection_options.upload_binary_over_ssh {
-            if let Some((url, body)) = delegate
+        if !self.socket.connection_options.upload_binary_over_ssh
+            && let Some((url, body)) = delegate
                 .get_download_params(self.ssh_platform, release_channel, wanted_version, cx)
                 .await?
+        {
+            match self
+                .download_binary_on_server(&url, &body, &tmp_path_gz, delegate, cx)
+                .await
             {
-                match self
-                    .download_binary_on_server(&url, &body, &tmp_path_gz, delegate, cx)
-                    .await
-                {
-                    Ok(_) => {
-                        self.extract_server_binary(&dst_path, &tmp_path_gz, delegate, cx)
-                            .await?;
-                        return Ok(dst_path);
-                    }
-                    Err(e) => {
-                        log::error!(
-                            "Failed to download binary on server, attempting to upload server: {}",
-                            e
-                        )
-                    }
+                Ok(_) => {
+                    self.extract_server_binary(&dst_path, &tmp_path_gz, delegate, cx)
+                        .await?;
+                    return Ok(dst_path);
+                }
+                Err(e) => {
+                    log::error!(
+                        "Failed to download binary on server, attempting to upload server: {}",
+                        e
+                    )
                 }
             }
         }
@@ -1868,7 +1894,7 @@ impl SshRemoteConnection {
             .await?;
         self.extract_server_binary(&dst_path, &tmp_path_gz, delegate, cx)
             .await?;
-        return Ok(dst_path);
+        Ok(dst_path)
     }
 
     async fn download_binary_on_server(
@@ -1884,7 +1910,7 @@ impl SshRemoteConnection {
                 .run_command(
                     "sh",
                     &[
-                        "-c",
+                        "-lc",
                         &shell_script!("mkdir -p {parent}", parent = parent.to_string().as_ref()),
                     ],
                 )
@@ -1905,8 +1931,8 @@ impl SshRemoteConnection {
                     "-H",
                     "Content-Type: application/json",
                     "-d",
-                    &body,
-                    &url,
+                    body,
+                    url,
                     "-o",
                     &tmp_path_gz.to_string(),
                 ],
@@ -1927,8 +1953,8 @@ impl SshRemoteConnection {
                             "--method=GET",
                             "--header=Content-Type: application/json",
                             "--body-data",
-                            &body,
-                            &url,
+                            body,
+                            url,
                             "-O",
                             &tmp_path_gz.to_string(),
                         ],
@@ -1962,7 +1988,7 @@ impl SshRemoteConnection {
                 .run_command(
                     "sh",
                     &[
-                        "-c",
+                        "-lc",
                         &shell_script!("mkdir -p {parent}", parent = parent.to_string().as_ref()),
                     ],
                 )
@@ -1979,7 +2005,7 @@ impl SshRemoteConnection {
             tmp_path_gz,
             size / 1024
         );
-        self.upload_file(&src_path, &tmp_path_gz)
+        self.upload_file(src_path, tmp_path_gz)
             .await
             .context("failed to upload server binary")?;
         log::info!("uploaded remote development server in {:?}", t0.elapsed());
@@ -2010,7 +2036,7 @@ impl SshRemoteConnection {
                 dst_path = &dst_path.to_string()
             )
         };
-        self.socket.run_command("sh", &["-c", &script]).await?;
+        self.socket.run_command("sh", &["-lc", &script]).await?;
         Ok(())
     }
 
@@ -2031,7 +2057,7 @@ impl SshRemoteConnection {
             .arg(format!(
                 "{}:{}",
                 self.socket.connection_options.scp_url(),
-                dest_path.to_string()
+                dest_path
             ))
             .output()
             .await?;
@@ -2069,11 +2095,17 @@ impl SshRemoteConnection {
             Ok(())
         }
 
+        let use_musl = !build_remote_server.contains("nomusl");
         let triple = format!(
             "{}-{}",
             self.ssh_platform.arch,
             match self.ssh_platform.os {
-                "linux" => "unknown-linux-musl",
+                "linux" =>
+                    if use_musl {
+                        "unknown-linux-musl"
+                    } else {
+                        "unknown-linux-gnu"
+                    },
                 "macos" => "apple-darwin",
                 _ => anyhow::bail!("can't cross compile for: {:?}", self.ssh_platform),
             }
@@ -2086,7 +2118,7 @@ impl SshRemoteConnection {
                 String::new()
             }
         };
-        if self.ssh_platform.os == "linux" {
+        if self.ssh_platform.os == "linux" && use_musl {
             rust_flags.push_str(" -C target-feature=+crt-static");
         }
         if build_remote_server.contains("mold") {
@@ -2114,109 +2146,106 @@ impl SshRemoteConnection {
                     .env("RUSTFLAGS", &rust_flags),
             )
             .await?;
+        } else if build_remote_server.contains("cross") {
+            #[cfg(target_os = "windows")]
+            use util::paths::SanitizedPath;
+
+            delegate.set_status(Some("Installing cross.rs for cross-compilation"), cx);
+            log::info!("installing cross");
+            run_cmd(Command::new("cargo").args([
+                "install",
+                "cross",
+                "--git",
+                "https://github.com/cross-rs/cross",
+            ]))
+            .await?;
+
+            delegate.set_status(
+                Some(&format!(
+                    "Building remote server binary from source for {} with Docker",
+                    &triple
+                )),
+                cx,
+            );
+            log::info!("building remote server binary from source for {}", &triple);
+
+            // On Windows, the binding needs to be set to the canonical path
+            #[cfg(target_os = "windows")]
+            let src =
+                SanitizedPath::from(smol::fs::canonicalize("./target").await?).to_glob_string();
+            #[cfg(not(target_os = "windows"))]
+            let src = "./target";
+            run_cmd(
+                Command::new("cross")
+                    .args([
+                        "build",
+                        "--package",
+                        "remote_server",
+                        "--features",
+                        "debug-embed",
+                        "--target-dir",
+                        "target/remote_server",
+                        "--target",
+                        &triple,
+                    ])
+                    .env(
+                        "CROSS_CONTAINER_OPTS",
+                        format!("--mount type=bind,src={src},dst=/app/target"),
+                    )
+                    .env("RUSTFLAGS", &rust_flags),
+            )
+            .await?;
         } else {
-            if build_remote_server.contains("cross") {
-                #[cfg(target_os = "windows")]
-                use util::paths::SanitizedPath;
+            let which = cx
+                .background_spawn(async move { which::which("zig") })
+                .await;
 
-                delegate.set_status(Some("Installing cross.rs for cross-compilation"), cx);
-                log::info!("installing cross");
-                run_cmd(Command::new("cargo").args([
-                    "install",
-                    "cross",
-                    "--git",
-                    "https://github.com/cross-rs/cross",
-                ]))
-                .await?;
-
-                delegate.set_status(
-                    Some(&format!(
-                        "Building remote server binary from source for {} with Docker",
-                        &triple
-                    )),
-                    cx,
-                );
-                log::info!("building remote server binary from source for {}", &triple);
-
-                // On Windows, the binding needs to be set to the canonical path
-                #[cfg(target_os = "windows")]
-                let src =
-                    SanitizedPath::from(smol::fs::canonicalize("./target").await?).to_glob_string();
+            if which.is_err() {
                 #[cfg(not(target_os = "windows"))]
-                let src = "./target";
-                run_cmd(
-                    Command::new("cross")
-                        .args([
-                            "build",
-                            "--package",
-                            "remote_server",
-                            "--features",
-                            "debug-embed",
-                            "--target-dir",
-                            "target/remote_server",
-                            "--target",
-                            &triple,
-                        ])
-                        .env(
-                            "CROSS_CONTAINER_OPTS",
-                            format!("--mount type=bind,src={src},dst=/app/target"),
-                        )
-                        .env("RUSTFLAGS", &rust_flags),
-                )
-                .await?;
-            } else {
-                let which = cx
-                    .background_spawn(async move { which::which("zig") })
-                    .await;
-
-                if which.is_err() {
-                    #[cfg(not(target_os = "windows"))]
-                    {
-                        anyhow::bail!(
-                            "zig not found on $PATH, install zig (see https://ziglang.org/learn/getting-started or use zigup) or pass ZED_BUILD_REMOTE_SERVER=cross to use cross"
-                        )
-                    }
-                    #[cfg(target_os = "windows")]
-                    {
-                        anyhow::bail!(
-                            "zig not found on $PATH, install zig (use `winget install -e --id zig.zig` or see https://ziglang.org/learn/getting-started or use zigup) or pass ZED_BUILD_REMOTE_SERVER=cross to use cross"
-                        )
-                    }
+                {
+                    anyhow::bail!(
+                        "zig not found on $PATH, install zig (see https://ziglang.org/learn/getting-started or use zigup) or pass ZED_BUILD_REMOTE_SERVER=cross to use cross"
+                    )
+                }
+                #[cfg(target_os = "windows")]
+                {
+                    anyhow::bail!(
+                        "zig not found on $PATH, install zig (use `winget install -e --id zig.zig` or see https://ziglang.org/learn/getting-started or use zigup) or pass ZED_BUILD_REMOTE_SERVER=cross to use cross"
+                    )
                 }
-
-                delegate.set_status(Some("Adding rustup target for cross-compilation"), cx);
-                log::info!("adding rustup target");
-                run_cmd(Command::new("rustup").args(["target", "add"]).arg(&triple)).await?;
-
-                delegate.set_status(Some("Installing cargo-zigbuild for cross-compilation"), cx);
-                log::info!("installing cargo-zigbuild");
-                run_cmd(Command::new("cargo").args(["install", "--locked", "cargo-zigbuild"]))
-                    .await?;
-
-                delegate.set_status(
-                    Some(&format!(
-                        "Building remote binary from source for {triple} with Zig"
-                    )),
-                    cx,
-                );
-                log::info!("building remote binary from source for {triple} with Zig");
-                run_cmd(
-                    Command::new("cargo")
-                        .args([
-                            "zigbuild",
-                            "--package",
-                            "remote_server",
-                            "--features",
-                            "debug-embed",
-                            "--target-dir",
-                            "target/remote_server",
-                            "--target",
-                            &triple,
-                        ])
-                        .env("RUSTFLAGS", &rust_flags),
-                )
-                .await?;
             }
+
+            delegate.set_status(Some("Adding rustup target for cross-compilation"), cx);
+            log::info!("adding rustup target");
+            run_cmd(Command::new("rustup").args(["target", "add"]).arg(&triple)).await?;
+
+            delegate.set_status(Some("Installing cargo-zigbuild for cross-compilation"), cx);
+            log::info!("installing cargo-zigbuild");
+            run_cmd(Command::new("cargo").args(["install", "--locked", "cargo-zigbuild"])).await?;
+
+            delegate.set_status(
+                Some(&format!(
+                    "Building remote binary from source for {triple} with Zig"
+                )),
+                cx,
+            );
+            log::info!("building remote binary from source for {triple} with Zig");
+            run_cmd(
+                Command::new("cargo")
+                    .args([
+                        "zigbuild",
+                        "--package",
+                        "remote_server",
+                        "--features",
+                        "debug-embed",
+                        "--target-dir",
+                        "target/remote_server",
+                        "--target",
+                        &triple,
+                    ])
+                    .env("RUSTFLAGS", &rust_flags),
+            )
+            .await?;
         };
         let bin_path = Path::new("target")
             .join("remote_server")
@@ -2229,8 +2258,7 @@ impl SshRemoteConnection {
 
             #[cfg(not(target_os = "windows"))]
             {
-                run_cmd(Command::new("gzip").args(["-9", "-f", &bin_path.to_string_lossy()]))
-                    .await?;
+                run_cmd(Command::new("gzip").args(["-f", &bin_path.to_string_lossy()])).await?;
             }
             #[cfg(target_os = "windows")]
             {
@@ -2262,7 +2290,7 @@ impl SshRemoteConnection {
 
 type ResponseChannels = Mutex<HashMap<MessageId, oneshot::Sender<(Envelope, oneshot::Sender<()>)>>>;
 
-pub struct ChannelClient {
+struct ChannelClient {
     next_message_id: AtomicU32,
     outgoing_tx: Mutex<mpsc::UnboundedSender<Envelope>>,
     buffer: Mutex<VecDeque<Envelope>>,
@@ -2274,7 +2302,7 @@ pub struct ChannelClient {
 }
 
 impl ChannelClient {
-    pub fn new(
+    fn new(
         incoming_rx: mpsc::UnboundedReceiver<Envelope>,
         outgoing_tx: mpsc::UnboundedSender<Envelope>,
         cx: &App,
@@ -2350,6 +2378,7 @@ impl ChannelClient {
                     build_typed_envelope(peer_id, Instant::now(), incoming)
                 {
                     let type_name = envelope.payload_type_name();
+                    let message_id = envelope.message_id();
                     if let Some(future) = ProtoMessageHandlerSet::handle_message(
                         &this.message_handlers,
                         envelope,
@@ -2388,6 +2417,15 @@ impl ChannelClient {
                             .detach()
                     } else {
                         log::error!("{}:unhandled ssh message name:{type_name}", this.name);
+                        if let Err(e) = AnyProtoClient::from(this.clone()).send_response(
+                            message_id,
+                            anyhow::anyhow!("no handler registered for {type_name}").to_proto(),
+                        ) {
+                            log::error!(
+                                "{}:error sending error response for {type_name}:{e:#}",
+                                this.name
+                            );
+                        }
                     }
                 }
             }
@@ -2395,7 +2433,7 @@ impl ChannelClient {
         })
     }
 
-    pub fn reconnect(
+    fn reconnect(
         self: &Arc<Self>,
         incoming_rx: UnboundedReceiver<Envelope>,
         outgoing_tx: UnboundedSender<Envelope>,
@@ -2405,26 +2443,7 @@ impl ChannelClient {
         *self.task.lock() = Self::start_handling_messages(Arc::downgrade(self), incoming_rx, cx);
     }
 
-    pub fn subscribe_to_entity<E: 'static>(&self, remote_id: u64, entity: &Entity<E>) {
-        let id = (TypeId::of::<E>(), remote_id);
-
-        let mut message_handlers = self.message_handlers.lock();
-        if message_handlers
-            .entities_by_type_and_remote_id
-            .contains_key(&id)
-        {
-            panic!("already subscribed to entity");
-        }
-
-        message_handlers.entities_by_type_and_remote_id.insert(
-            id,
-            EntityMessageSubscriber::Entity {
-                handle: entity.downgrade().into(),
-            },
-        );
-    }
-
-    pub fn request<T: RequestMessage>(
+    fn request<T: RequestMessage>(
         &self,
         payload: T,
     ) -> impl 'static + Future<Output = Result<T::Response>> {
@@ -2446,7 +2465,7 @@ impl ChannelClient {
         }
     }
 
-    pub async fn resync(&self, timeout: Duration) -> Result<()> {
+    async fn resync(&self, timeout: Duration) -> Result<()> {
         smol::future::or(
             async {
                 self.request_internal(proto::FlushBufferedMessages {}, false)
@@ -2462,13 +2481,13 @@ impl ChannelClient {
             },
             async {
                 smol::Timer::after(timeout).await;
-                anyhow::bail!("Timeout detected")
+                anyhow::bail!("Timed out resyncing remote client")
             },
         )
         .await
     }
 
-    pub async fn ping(&self, timeout: Duration) -> Result<()> {
+    async fn ping(&self, timeout: Duration) -> Result<()> {
         smol::future::or(
             async {
                 self.request(proto::Ping {}).await?;
@@ -2476,7 +2495,7 @@ impl ChannelClient {
             },
             async {
                 smol::Timer::after(timeout).await;
-                anyhow::bail!("Timeout detected")
+                anyhow::bail!("Timed out pinging remote client")
             },
         )
         .await
@@ -2646,7 +2665,7 @@ mod fake {
             let (outgoing_tx, _) = mpsc::unbounded::<Envelope>();
             let (_, incoming_rx) = mpsc::unbounded::<Envelope>();
             self.server_channel
-                .reconnect(incoming_rx, outgoing_tx, &self.server_cx.get(&cx));
+                .reconnect(incoming_rx, outgoing_tx, &self.server_cx.get(cx));
         }
 
         fn start_proxy(
@@ -2692,6 +2711,10 @@ mod fake {
         fn path_style(&self) -> PathStyle {
             PathStyle::current()
         }
+
+        fn shell(&self) -> String {
+            "sh".to_owned()
+        }
     }
 
     pub(super) struct Delegate;
diff --git a/crates/remote_server/Cargo.toml b/crates/remote_server/Cargo.toml
index 443c47919f..5dbb9a2771 100644
--- a/crates/remote_server/Cargo.toml
+++ b/crates/remote_server/Cargo.toml
@@ -65,12 +65,17 @@ telemetry_events.workspace = true
 util.workspace = true
 watch.workspace = true
 worktree.workspace = true
+thiserror.workspace = true
 
 [target.'cfg(not(windows))'.dependencies]
+crashes.workspace = true
+crash-handler.workspace = true
 fork.workspace = true
 libc.workspace = true
+minidumper.workspace = true
 
 [dev-dependencies]
+action_log.workspace = true
 assistant_tool.workspace = true
 assistant_tools.workspace = true
 client = { workspace = true, features = ["test-support"] }
diff --git a/crates/remote_server/src/headless_project.rs b/crates/remote_server/src/headless_project.rs
index b4d3162641..6216ff7728 100644
--- a/crates/remote_server/src/headless_project.rs
+++ b/crates/remote_server/src/headless_project.rs
@@ -19,7 +19,6 @@ use project::{
     task_store::TaskStore,
     worktree_store::WorktreeStore,
 };
-use remote::ssh_session::ChannelClient;
 use rpc::{
     AnyProtoClient, TypedEnvelope,
     proto::{self, SSH_PEER_ID, SSH_PROJECT_ID},
@@ -47,10 +46,13 @@ pub struct HeadlessProject {
     pub languages: Arc<LanguageRegistry>,
     pub extensions: Entity<HeadlessExtensionStore>,
     pub git_store: Entity<GitStore>,
+    // Used mostly to keep alive the toolchain store for RPC handlers.
+    // Local variant is used within LSP store, but that's a separate entity.
+    pub _toolchain_store: Entity<ToolchainStore>,
 }
 
 pub struct HeadlessAppState {
-    pub session: Arc<ChannelClient>,
+    pub session: AnyProtoClient,
     pub fs: Arc<dyn Fs>,
     pub http_client: Arc<dyn HttpClient>,
     pub node_runtime: NodeRuntime,
@@ -81,7 +83,7 @@ impl HeadlessProject {
 
         let worktree_store = cx.new(|cx| {
             let mut store = WorktreeStore::local(true, fs.clone());
-            store.shared(SSH_PROJECT_ID, session.clone().into(), cx);
+            store.shared(SSH_PROJECT_ID, session.clone(), cx);
             store
         });
 
@@ -99,7 +101,7 @@ impl HeadlessProject {
 
         let buffer_store = cx.new(|cx| {
             let mut buffer_store = BufferStore::local(worktree_store.clone(), cx);
-            buffer_store.shared(SSH_PROJECT_ID, session.clone().into(), cx);
+            buffer_store.shared(SSH_PROJECT_ID, session.clone(), cx);
             buffer_store
         });
 
@@ -117,7 +119,7 @@ impl HeadlessProject {
                 breakpoint_store.clone(),
                 cx,
             );
-            dap_store.shared(SSH_PROJECT_ID, session.clone().into(), cx);
+            dap_store.shared(SSH_PROJECT_ID, session.clone(), cx);
             dap_store
         });
 
@@ -129,7 +131,7 @@ impl HeadlessProject {
                 fs.clone(),
                 cx,
             );
-            store.shared(SSH_PROJECT_ID, session.clone().into(), cx);
+            store.shared(SSH_PROJECT_ID, session.clone(), cx);
             store
         });
 
@@ -152,7 +154,7 @@ impl HeadlessProject {
                 environment.clone(),
                 cx,
             );
-            task_store.shared(SSH_PROJECT_ID, session.clone().into(), cx);
+            task_store.shared(SSH_PROJECT_ID, session.clone(), cx);
             task_store
         });
         let settings_observer = cx.new(|cx| {
@@ -162,7 +164,7 @@ impl HeadlessProject {
                 task_store.clone(),
                 cx,
             );
-            observer.shared(SSH_PROJECT_ID, session.clone().into(), cx);
+            observer.shared(SSH_PROJECT_ID, session.clone(), cx);
             observer
         });
 
@@ -171,7 +173,11 @@ impl HeadlessProject {
                 buffer_store.clone(),
                 worktree_store.clone(),
                 prettier_store.clone(),
-                toolchain_store.clone(),
+                toolchain_store
+                    .read(cx)
+                    .as_local_store()
+                    .expect("Toolchain store to be local")
+                    .clone(),
                 environment,
                 manifest_tree,
                 languages.clone(),
@@ -179,7 +185,7 @@ impl HeadlessProject {
                 fs.clone(),
                 cx,
             );
-            lsp_store.shared(SSH_PROJECT_ID, session.clone().into(), cx);
+            lsp_store.shared(SSH_PROJECT_ID, session.clone(), cx);
             lsp_store
         });
 
@@ -190,15 +196,11 @@ impl HeadlessProject {
             languages.clone(),
         );
 
-        cx.subscribe(
-            &buffer_store,
-            |_this, _buffer_store, event, cx| match event {
-                BufferStoreEvent::BufferAdded(buffer) => {
-                    cx.subscribe(buffer, Self::on_buffer_event).detach();
-                }
-                _ => {}
-            },
-        )
+        cx.subscribe(&buffer_store, |_this, _buffer_store, event, cx| {
+            if let BufferStoreEvent::BufferAdded(buffer) = event {
+                cx.subscribe(buffer, Self::on_buffer_event).detach();
+            }
+        })
         .detach();
 
         let extensions = HeadlessExtensionStore::new(
@@ -210,8 +212,6 @@ impl HeadlessProject {
             cx,
         );
 
-        let client: AnyProtoClient = session.clone().into();
-
         // local_machine -> ssh handlers
         session.subscribe_to_entity(SSH_PROJECT_ID, &worktree_store);
         session.subscribe_to_entity(SSH_PROJECT_ID, &buffer_store);
@@ -223,44 +223,45 @@ impl HeadlessProject {
         session.subscribe_to_entity(SSH_PROJECT_ID, &settings_observer);
         session.subscribe_to_entity(SSH_PROJECT_ID, &git_store);
 
-        client.add_request_handler(cx.weak_entity(), Self::handle_list_remote_directory);
-        client.add_request_handler(cx.weak_entity(), Self::handle_get_path_metadata);
-        client.add_request_handler(cx.weak_entity(), Self::handle_shutdown_remote_server);
-        client.add_request_handler(cx.weak_entity(), Self::handle_ping);
+        session.add_request_handler(cx.weak_entity(), Self::handle_list_remote_directory);
+        session.add_request_handler(cx.weak_entity(), Self::handle_get_path_metadata);
+        session.add_request_handler(cx.weak_entity(), Self::handle_shutdown_remote_server);
+        session.add_request_handler(cx.weak_entity(), Self::handle_ping);
 
-        client.add_entity_request_handler(Self::handle_add_worktree);
-        client.add_request_handler(cx.weak_entity(), Self::handle_remove_worktree);
+        session.add_entity_request_handler(Self::handle_add_worktree);
+        session.add_request_handler(cx.weak_entity(), Self::handle_remove_worktree);
 
-        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
-        client.add_entity_request_handler(Self::handle_open_new_buffer);
-        client.add_entity_request_handler(Self::handle_find_search_candidates);
-        client.add_entity_request_handler(Self::handle_open_server_settings);
+        session.add_entity_request_handler(Self::handle_open_buffer_by_path);
+        session.add_entity_request_handler(Self::handle_open_new_buffer);
+        session.add_entity_request_handler(Self::handle_find_search_candidates);
+        session.add_entity_request_handler(Self::handle_open_server_settings);
 
-        client.add_entity_request_handler(BufferStore::handle_update_buffer);
-        client.add_entity_message_handler(BufferStore::handle_close_buffer);
+        session.add_entity_request_handler(BufferStore::handle_update_buffer);
+        session.add_entity_message_handler(BufferStore::handle_close_buffer);
 
-        client.add_request_handler(
-            extensions.clone().downgrade(),
+        session.add_request_handler(
+            extensions.downgrade(),
             HeadlessExtensionStore::handle_sync_extensions,
         );
-        client.add_request_handler(
-            extensions.clone().downgrade(),
+        session.add_request_handler(
+            extensions.downgrade(),
             HeadlessExtensionStore::handle_install_extension,
         );
 
-        BufferStore::init(&client);
-        WorktreeStore::init(&client);
-        SettingsObserver::init(&client);
-        LspStore::init(&client);
-        TaskStore::init(Some(&client));
-        ToolchainStore::init(&client);
-        DapStore::init(&client, cx);
+        BufferStore::init(&session);
+        WorktreeStore::init(&session);
+        SettingsObserver::init(&session);
+        LspStore::init(&session);
+        TaskStore::init(Some(&session));
+        ToolchainStore::init(&session);
+        DapStore::init(&session, cx);
         // todo(debugger): Re init breakpoint store when we set it up for collab
         // BreakpointStore::init(&client);
-        GitStore::init(&client);
+        GitStore::init(&session);
 
         HeadlessProject {
-            session: client,
+            next_entry_id: Default::default(),
+            session,
             settings_observer,
             fs,
             worktree_store,
@@ -268,10 +269,10 @@ impl HeadlessProject {
             lsp_store,
             task_store,
             dap_store,
-            next_entry_id: Default::default(),
             languages,
             extensions,
             git_store,
+            _toolchain_store: toolchain_store,
         }
     }
 
@@ -281,18 +282,17 @@ impl HeadlessProject {
         event: &BufferEvent,
         cx: &mut Context<Self>,
     ) {
-        match event {
-            BufferEvent::Operation {
-                operation,
-                is_local: true,
-            } => cx
-                .background_spawn(self.session.request(proto::UpdateBuffer {
-                    project_id: SSH_PROJECT_ID,
-                    buffer_id: buffer.read(cx).remote_id().to_proto(),
-                    operations: vec![serialize_operation(operation)],
-                }))
-                .detach(),
-            _ => {}
+        if let BufferEvent::Operation {
+            operation,
+            is_local: true,
+        } = event
+        {
+            cx.background_spawn(self.session.request(proto::UpdateBuffer {
+                project_id: SSH_PROJECT_ID,
+                buffer_id: buffer.read(cx).remote_id().to_proto(),
+                operations: vec![serialize_operation(operation)],
+            }))
+            .detach()
         }
     }
 
@@ -344,7 +344,7 @@ impl HeadlessProject {
                         .iter()
                         .map(|action| action.title.to_string())
                         .collect(),
-                    level: Some(prompt_to_proto(&prompt)),
+                    level: Some(prompt_to_proto(prompt)),
                     lsp_name: prompt.lsp_name.clone(),
                     message: prompt.message.clone(),
                 });
@@ -368,7 +368,7 @@ impl HeadlessProject {
         mut cx: AsyncApp,
     ) -> Result<proto::AddWorktreeResponse> {
         use client::ErrorCodeExt;
-        let fs = this.read_with(&mut cx, |this, _| this.fs.clone())?;
+        let fs = this.read_with(&cx, |this, _| this.fs.clone())?;
         let path = PathBuf::from_proto(shellexpand::tilde(&message.payload.path).to_string());
 
         let canonicalized = match fs.canonicalize(&path).await {
@@ -384,7 +384,7 @@ impl HeadlessProject {
                 let parent = fs.canonicalize(parent).await.map_err(|_| {
                     anyhow!(
                         proto::ErrorCode::DevServerProjectPathDoesNotExist
-                            .with_tag("path", &path.to_string_lossy().as_ref())
+                            .with_tag("path", path.to_string_lossy().as_ref())
                     )
                 })?;
                 parent.join(path.file_name().unwrap())
@@ -392,7 +392,7 @@ impl HeadlessProject {
         };
 
         let worktree = this
-            .read_with(&mut cx.clone(), |this, _| {
+            .read_with(&cx.clone(), |this, _| {
                 Worktree::local(
                     Arc::from(canonicalized.as_path()),
                     message.payload.visible,
@@ -403,7 +403,7 @@ impl HeadlessProject {
             })?
             .await?;
 
-        let response = this.read_with(&mut cx, |_, cx| {
+        let response = this.read_with(&cx, |_, cx| {
             let worktree = worktree.read(cx);
             proto::AddWorktreeResponse {
                 worktree_id: worktree.id().to_proto(),
@@ -582,7 +582,7 @@ impl HeadlessProject {
         let buffer_store = this.read_with(&cx, |this, _| this.buffer_store.clone())?;
 
         while let Ok(buffer) = results.recv().await {
-            let buffer_id = buffer.read_with(&mut cx, |this, _| this.remote_id())?;
+            let buffer_id = buffer.read_with(&cx, |this, _| this.remote_id())?;
             response.buffer_ids.push(buffer_id.to_proto());
             buffer_store
                 .update(&mut cx, |buffer_store, cx| {
diff --git a/crates/remote_server/src/main.rs b/crates/remote_server/src/main.rs
index 98f635d856..368c7cb639 100644
--- a/crates/remote_server/src/main.rs
+++ b/crates/remote_server/src/main.rs
@@ -1,6 +1,7 @@
 #![cfg_attr(target_os = "windows", allow(unused, dead_code))]
 
-use clap::{Parser, Subcommand};
+use clap::Parser;
+use remote_server::Commands;
 use std::path::PathBuf;
 
 #[derive(Parser)]
@@ -12,105 +13,43 @@ struct Cli {
     /// by having Zed act like netcat communicating over a Unix socket.
     #[arg(long, hide = true)]
     askpass: Option<String>,
+    /// Used for recording minidumps on crashes by having the server run a separate
+    /// process communicating over a socket.
+    #[arg(long, hide = true)]
+    crash_handler: Option<PathBuf>,
     /// Used for loading the environment from the project.
     #[arg(long, hide = true)]
     printenv: bool,
 }
 
-#[derive(Subcommand)]
-enum Commands {
-    Run {
-        #[arg(long)]
-        log_file: PathBuf,
-        #[arg(long)]
-        pid_file: PathBuf,
-        #[arg(long)]
-        stdin_socket: PathBuf,
-        #[arg(long)]
-        stdout_socket: PathBuf,
-        #[arg(long)]
-        stderr_socket: PathBuf,
-    },
-    Proxy {
-        #[arg(long)]
-        reconnect: bool,
-        #[arg(long)]
-        identifier: String,
-    },
-    Version,
-}
-
 #[cfg(windows)]
 fn main() {
     unimplemented!()
 }
 
 #[cfg(not(windows))]
-fn main() {
-    use release_channel::{RELEASE_CHANNEL, ReleaseChannel};
-    use remote::proxy::ProxyLaunchError;
-    use remote_server::unix::{execute_proxy, execute_run};
-
+fn main() -> anyhow::Result<()> {
     let cli = Cli::parse();
 
     if let Some(socket_path) = &cli.askpass {
         askpass::main(socket_path);
-        return;
+        return Ok(());
+    }
+
+    if let Some(socket) = &cli.crash_handler {
+        crashes::crash_server(socket.as_path());
+        return Ok(());
     }
 
     if cli.printenv {
         util::shell_env::print_env();
-        return;
+        return Ok(());
     }
 
-    let result = match cli.command {
-        Some(Commands::Run {
-            log_file,
-            pid_file,
-            stdin_socket,
-            stdout_socket,
-            stderr_socket,
-        }) => execute_run(
-            log_file,
-            pid_file,
-            stdin_socket,
-            stdout_socket,
-            stderr_socket,
-        ),
-        Some(Commands::Proxy {
-            identifier,
-            reconnect,
-        }) => match execute_proxy(identifier, reconnect) {
-            Ok(_) => Ok(()),
-            Err(err) => {
-                if let Some(err) = err.downcast_ref::<ProxyLaunchError>() {
-                    std::process::exit(err.to_exit_code());
-                }
-                Err(err)
-            }
-        },
-        Some(Commands::Version) => {
-            let release_channel = *RELEASE_CHANNEL;
-            match release_channel {
-                ReleaseChannel::Stable | ReleaseChannel::Preview => {
-                    println!("{}", env!("ZED_PKG_VERSION"))
-                }
-                ReleaseChannel::Nightly | ReleaseChannel::Dev => {
-                    println!(
-                        "{}",
-                        option_env!("ZED_COMMIT_SHA").unwrap_or(release_channel.dev_name())
-                    )
-                }
-            };
-            std::process::exit(0);
-        }
-        None => {
-            eprintln!("usage: remote <run|proxy|version>");
-            std::process::exit(1);
-        }
-    };
-    if let Err(error) = result {
-        log::error!("exiting due to error: {}", error);
+    if let Some(command) = cli.command {
+        remote_server::run(command)
+    } else {
+        eprintln!("usage: remote <run|proxy|version>");
         std::process::exit(1);
     }
 }
diff --git a/crates/remote_server/src/remote_editing_tests.rs b/crates/remote_server/src/remote_editing_tests.rs
index 9730984f26..69fae7f399 100644
--- a/crates/remote_server/src/remote_editing_tests.rs
+++ b/crates/remote_server/src/remote_editing_tests.rs
@@ -1207,7 +1207,7 @@ async fn test_remote_rename_entry(cx: &mut TestAppContext, server_cx: &mut TestA
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
 
     cx.run_until_parked();
@@ -1724,7 +1724,7 @@ async fn test_remote_agent_fs_tool_calls(cx: &mut TestAppContext, server_cx: &mu
         .await
         .unwrap();
 
-    let action_log = cx.new(|_| assistant_tool::ActionLog::new(project.clone()));
+    let action_log = cx.new(|_| action_log::ActionLog::new(project.clone()));
     let model = Arc::new(FakeLanguageModel::default());
     let request = Arc::new(LanguageModelRequest::default());
 
diff --git a/crates/remote_server/src/remote_server.rs b/crates/remote_server/src/remote_server.rs
index 52003969af..c14a4828ac 100644
--- a/crates/remote_server/src/remote_server.rs
+++ b/crates/remote_server/src/remote_server.rs
@@ -6,4 +6,78 @@ pub mod unix;
 #[cfg(test)]
 mod remote_editing_tests;
 
+use clap::Subcommand;
+use std::path::PathBuf;
+
 pub use headless_project::{HeadlessAppState, HeadlessProject};
+
+#[derive(Subcommand)]
+pub enum Commands {
+    Run {
+        #[arg(long)]
+        log_file: PathBuf,
+        #[arg(long)]
+        pid_file: PathBuf,
+        #[arg(long)]
+        stdin_socket: PathBuf,
+        #[arg(long)]
+        stdout_socket: PathBuf,
+        #[arg(long)]
+        stderr_socket: PathBuf,
+    },
+    Proxy {
+        #[arg(long)]
+        reconnect: bool,
+        #[arg(long)]
+        identifier: String,
+    },
+    Version,
+}
+
+#[cfg(not(windows))]
+pub fn run(command: Commands) -> anyhow::Result<()> {
+    use anyhow::Context;
+    use release_channel::{RELEASE_CHANNEL, ReleaseChannel};
+    use unix::{ExecuteProxyError, execute_proxy, execute_run};
+
+    match command {
+        Commands::Run {
+            log_file,
+            pid_file,
+            stdin_socket,
+            stdout_socket,
+            stderr_socket,
+        } => execute_run(
+            log_file,
+            pid_file,
+            stdin_socket,
+            stdout_socket,
+            stderr_socket,
+        ),
+        Commands::Proxy {
+            identifier,
+            reconnect,
+        } => execute_proxy(identifier, reconnect)
+            .inspect_err(|err| {
+                if let ExecuteProxyError::ServerNotRunning(err) = err {
+                    std::process::exit(err.to_exit_code());
+                }
+            })
+            .context("running proxy on the remote server"),
+        Commands::Version => {
+            let release_channel = *RELEASE_CHANNEL;
+            match release_channel {
+                ReleaseChannel::Stable | ReleaseChannel::Preview => {
+                    println!("{}", env!("ZED_PKG_VERSION"))
+                }
+                ReleaseChannel::Nightly | ReleaseChannel::Dev => {
+                    println!(
+                        "{}",
+                        option_env!("ZED_COMMIT_SHA").unwrap_or(release_channel.dev_name())
+                    )
+                }
+            };
+            Ok(())
+        }
+    }
+}
diff --git a/crates/remote_server/src/unix.rs b/crates/remote_server/src/unix.rs
index 84ce08ff25..c6d1566d60 100644
--- a/crates/remote_server/src/unix.rs
+++ b/crates/remote_server/src/unix.rs
@@ -17,12 +17,13 @@ use node_runtime::{NodeBinaryOptions, NodeRuntime};
 use paths::logs_dir;
 use project::project_settings::ProjectSettings;
 
+use proto::CrashReport;
 use release_channel::{AppVersion, RELEASE_CHANNEL, ReleaseChannel};
-use remote::proxy::ProxyLaunchError;
-use remote::ssh_session::ChannelClient;
+use remote::SshRemoteClient;
 use remote::{
     json_log::LogRecord,
     protocol::{read_message, write_message},
+    proxy::ProxyLaunchError,
 };
 use reqwest_client::ReqwestClient;
 use rpc::proto::{self, Envelope, SSH_PROJECT_ID};
@@ -35,7 +36,9 @@ use smol::Async;
 use smol::{net::unix::UnixListener, stream::StreamExt as _};
 use std::ffi::OsStr;
 use std::ops::ControlFlow;
+use std::process::ExitStatus;
 use std::str::FromStr;
+use std::sync::LazyLock;
 use std::{env, thread};
 use std::{
     io::Write,
@@ -44,8 +47,16 @@ use std::{
     sync::Arc,
 };
 use telemetry_events::LocationData;
+use thiserror::Error;
 use util::ResultExt;
 
+pub static VERSION: LazyLock<&str> = LazyLock::new(|| match *RELEASE_CHANNEL {
+    ReleaseChannel::Stable | ReleaseChannel::Preview => env!("ZED_PKG_VERSION"),
+    ReleaseChannel::Nightly | ReleaseChannel::Dev => {
+        option_env!("ZED_COMMIT_SHA").unwrap_or("missing-zed-commit-sha")
+    }
+});
+
 fn init_logging_proxy() {
     env_logger::builder()
         .format(|buf, record| {
@@ -75,7 +86,7 @@ fn init_logging_server(log_file_path: PathBuf) -> Result<Receiver<Vec<u8>>> {
         fn flush(&mut self) -> std::io::Result<()> {
             self.channel
                 .send_blocking(self.buffer.clone())
-                .map_err(|error| std::io::Error::new(std::io::ErrorKind::Other, error))?;
+                .map_err(std::io::Error::other)?;
             self.buffer.clear();
             self.file.flush()
         }
@@ -109,8 +120,8 @@ fn init_logging_server(log_file_path: PathBuf) -> Result<Receiver<Vec<u8>>> {
     Ok(rx)
 }
 
-fn init_panic_hook() {
-    std::panic::set_hook(Box::new(|info| {
+fn init_panic_hook(session_id: String) {
+    std::panic::set_hook(Box::new(move |info| {
         let payload = info
             .payload()
             .downcast_ref::<&str>()
@@ -118,6 +129,8 @@ fn init_panic_hook() {
             .or_else(|| info.payload().downcast_ref::<String>().cloned())
             .unwrap_or_else(|| "Box<Any>".to_string());
 
+        crashes::handle_panic(payload.clone(), info.location());
+
         let backtrace = backtrace::Backtrace::new();
         let mut backtrace = backtrace
             .frames()
@@ -144,36 +157,30 @@ fn init_panic_hook() {
         log::error!(
             "panic occurred: {}\nBacktrace:\n{}",
             &payload,
-            (&backtrace).join("\n")
+            backtrace.join("\n")
         );
 
-        let release_channel = *RELEASE_CHANNEL;
-        let version = match release_channel {
-            ReleaseChannel::Stable | ReleaseChannel::Preview => env!("ZED_PKG_VERSION"),
-            ReleaseChannel::Nightly | ReleaseChannel::Dev => {
-                option_env!("ZED_COMMIT_SHA").unwrap_or("missing-zed-commit-sha")
-            }
-        };
-
         let panic_data = telemetry_events::Panic {
             thread: thread_name.into(),
-            payload: payload.clone(),
+            payload,
             location_data: info.location().map(|location| LocationData {
                 file: location.file().into(),
                 line: location.line(),
             }),
-            app_version: format!("remote-server-{version}"),
+            app_version: format!("remote-server-{}", *VERSION),
             app_commit_sha: option_env!("ZED_COMMIT_SHA").map(|sha| sha.into()),
-            release_channel: release_channel.dev_name().into(),
+            release_channel: RELEASE_CHANNEL.dev_name().into(),
             target: env!("TARGET").to_owned().into(),
             os_name: telemetry::os_name(),
             os_version: Some(telemetry::os_version()),
             architecture: env::consts::ARCH.into(),
             panicked_on: Utc::now().timestamp_millis(),
             backtrace,
-            system_id: None,            // Set on SSH client
-            installation_id: None,      // Set on SSH client
-            session_id: "".to_string(), // Set on SSH client
+            system_id: None,       // Set on SSH client
+            installation_id: None, // Set on SSH client
+
+            // used on this end to associate panics with minidumps, but will be replaced on the SSH client
+            session_id: session_id.clone(),
         };
 
         if let Some(panic_data_json) = serde_json::to_string(&panic_data).log_err() {
@@ -194,43 +201,57 @@ fn init_panic_hook() {
     }));
 }
 
-fn handle_panic_requests(project: &Entity<HeadlessProject>, client: &Arc<ChannelClient>) {
-    let client: AnyProtoClient = client.clone().into();
+fn handle_crash_files_requests(project: &Entity<HeadlessProject>, client: &AnyProtoClient) {
     client.add_request_handler(
         project.downgrade(),
-        |_, _: TypedEnvelope<proto::GetPanicFiles>, _cx| async move {
+        |_, _: TypedEnvelope<proto::GetCrashFiles>, _cx| async move {
+            let mut legacy_panics = Vec::new();
+            let mut crashes = Vec::new();
             let mut children = smol::fs::read_dir(paths::logs_dir()).await?;
-            let mut panic_files = Vec::new();
             while let Some(child) = children.next().await {
                 let child = child?;
                 let child_path = child.path();
 
-                if child_path.extension() != Some(OsStr::new("panic")) {
-                    continue;
+                let extension = child_path.extension();
+                if extension == Some(OsStr::new("panic")) {
+                    let filename = if let Some(filename) = child_path.file_name() {
+                        filename.to_string_lossy()
+                    } else {
+                        continue;
+                    };
+
+                    if !filename.starts_with("zed") {
+                        continue;
+                    }
+
+                    let file_contents = smol::fs::read_to_string(&child_path)
+                        .await
+                        .context("error reading panic file")?;
+
+                    legacy_panics.push(file_contents);
+                    smol::fs::remove_file(&child_path)
+                        .await
+                        .context("error removing panic")
+                        .log_err();
+                } else if extension == Some(OsStr::new("dmp")) {
+                    let mut json_path = child_path.clone();
+                    json_path.set_extension("json");
+                    if let Ok(json_content) = smol::fs::read_to_string(&json_path).await {
+                        crashes.push(CrashReport {
+                            metadata: json_content,
+                            minidump_contents: smol::fs::read(&child_path).await?,
+                        });
+                        smol::fs::remove_file(&child_path).await.log_err();
+                        smol::fs::remove_file(&json_path).await.log_err();
+                    } else {
+                        log::error!("Couldn't find json metadata for crash: {child_path:?}");
+                    }
                 }
-                let filename = if let Some(filename) = child_path.file_name() {
-                    filename.to_string_lossy()
-                } else {
-                    continue;
-                };
-
-                if !filename.starts_with("zed") {
-                    continue;
-                }
-
-                let file_contents = smol::fs::read_to_string(&child_path)
-                    .await
-                    .context("error reading panic file")?;
-
-                panic_files.push(file_contents);
-
-                // We've done what we can, delete the file
-                std::fs::remove_file(child_path)
-                    .context("error removing panic")
-                    .log_err();
             }
-            anyhow::Ok(proto::GetPanicFilesResponse {
-                file_contents: panic_files,
+
+            anyhow::Ok(proto::GetCrashFilesResponse {
+                crashes,
+                legacy_panics,
             })
         },
     );
@@ -256,7 +277,7 @@ fn start_server(
     listeners: ServerListeners,
     log_rx: Receiver<Vec<u8>>,
     cx: &mut App,
-) -> Arc<ChannelClient> {
+) -> AnyProtoClient {
     // This is the server idle timeout. If no connection comes in this timeout, the server will shut down.
     const IDLE_TIMEOUT: std::time::Duration = std::time::Duration::from_secs(10 * 60);
 
@@ -314,7 +335,7 @@ fn start_server(
             let (mut stdin_msg_tx, mut stdin_msg_rx) = mpsc::unbounded::<Envelope>();
             cx.background_spawn(async move {
                 while let Ok(msg) = read_message(&mut stdin_stream, &mut input_buffer).await {
-                    if let Err(_) = stdin_msg_tx.send(msg).await {
+                    if (stdin_msg_tx.send(msg).await).is_err() {
                         break;
                     }
                 }
@@ -375,7 +396,7 @@ fn start_server(
     })
     .detach();
 
-    ChannelClient::new(incoming_rx, outgoing_tx, cx, "server")
+    SshRemoteClient::proto_client_from_channels(incoming_rx, outgoing_tx, cx, "server")
 }
 
 fn init_paths() -> anyhow::Result<()> {
@@ -409,7 +430,17 @@ pub fn execute_run(
         ControlFlow::Continue(_) => {}
     }
 
-    init_panic_hook();
+    let app = gpui::Application::headless();
+    let id = std::process::id().to_string();
+    app.background_executor()
+        .spawn(crashes::init(crashes::InitCrashHandler {
+            session_id: id.clone(),
+            zed_version: VERSION.to_owned(),
+            release_channel: release_channel::RELEASE_CHANNEL_NAME.clone(),
+            commit_sha: option_env!("ZED_COMMIT_SHA").unwrap_or("no_sha").to_owned(),
+        }))
+        .detach();
+    init_panic_hook(id);
     let log_rx = init_logging_server(log_file)?;
     log::info!(
         "starting up. pid_file: {:?}, stdin_socket: {:?}, stdout_socket: {:?}, stderr_socket: {:?}",
@@ -425,7 +456,7 @@ pub fn execute_run(
     let listeners = ServerListeners::new(stdin_socket, stdout_socket, stderr_socket)?;
 
     let git_hosting_provider_registry = Arc::new(GitHostingProviderRegistry::new());
-    gpui::Application::headless().run(move |cx| {
+    app.run(move |cx| {
         settings::init(cx);
         let app_version = AppVersion::load(env!("ZED_PKG_VERSION"));
         release_channel::init(app_version, cx);
@@ -486,7 +517,7 @@ pub fn execute_run(
             )
         });
 
-        handle_panic_requests(&project, &session);
+        handle_crash_files_requests(&project, &session);
 
         cx.background_spawn(async move { cleanup_old_binaries() })
             .detach();
@@ -497,7 +528,23 @@ pub fn execute_run(
     Ok(())
 }
 
-#[derive(Clone)]
+#[derive(Debug, Error)]
+pub(crate) enum ServerPathError {
+    #[error("Failed to create server_dir `{path}`")]
+    CreateServerDir {
+        #[source]
+        source: std::io::Error,
+        path: PathBuf,
+    },
+    #[error("Failed to create logs_dir `{path}`")]
+    CreateLogsDir {
+        #[source]
+        source: std::io::Error,
+        path: PathBuf,
+    },
+}
+
+#[derive(Clone, Debug)]
 struct ServerPaths {
     log_file: PathBuf,
     pid_file: PathBuf,
@@ -507,10 +554,19 @@ struct ServerPaths {
 }
 
 impl ServerPaths {
-    fn new(identifier: &str) -> Result<Self> {
+    fn new(identifier: &str) -> Result<Self, ServerPathError> {
         let server_dir = paths::remote_server_state_dir().join(identifier);
-        std::fs::create_dir_all(&server_dir)?;
-        std::fs::create_dir_all(&logs_dir())?;
+        std::fs::create_dir_all(&server_dir).map_err(|source| {
+            ServerPathError::CreateServerDir {
+                source,
+                path: server_dir.clone(),
+            }
+        })?;
+        let log_dir = logs_dir();
+        std::fs::create_dir_all(log_dir).map_err(|source| ServerPathError::CreateLogsDir {
+            source: source,
+            path: log_dir.clone(),
+        })?;
 
         let pid_file = server_dir.join("server.pid");
         let stdin_socket = server_dir.join("stdin.sock");
@@ -528,20 +584,72 @@ impl ServerPaths {
     }
 }
 
-pub fn execute_proxy(identifier: String, is_reconnecting: bool) -> Result<()> {
-    init_logging_proxy();
-    init_panic_hook();
+#[derive(Debug, Error)]
+pub(crate) enum ExecuteProxyError {
+    #[error("Failed to init server paths")]
+    ServerPath(#[from] ServerPathError),
 
-    log::info!("starting proxy process. PID: {}", std::process::id());
+    #[error(transparent)]
+    ServerNotRunning(#[from] ProxyLaunchError),
+
+    #[error("Failed to check PidFile '{path}'")]
+    CheckPidFile {
+        #[source]
+        source: CheckPidError,
+        path: PathBuf,
+    },
+
+    #[error("Failed to kill existing server with pid '{pid}'")]
+    KillRunningServer {
+        #[source]
+        source: std::io::Error,
+        pid: u32,
+    },
+
+    #[error("failed to spawn server")]
+    SpawnServer(#[source] SpawnServerError),
+
+    #[error("stdin_task failed")]
+    StdinTask(#[source] anyhow::Error),
+    #[error("stdout_task failed")]
+    StdoutTask(#[source] anyhow::Error),
+    #[error("stderr_task failed")]
+    StderrTask(#[source] anyhow::Error),
+}
+
+pub(crate) fn execute_proxy(
+    identifier: String,
+    is_reconnecting: bool,
+) -> Result<(), ExecuteProxyError> {
+    init_logging_proxy();
 
     let server_paths = ServerPaths::new(&identifier)?;
 
-    let server_pid = check_pid_file(&server_paths.pid_file)?;
+    let id = std::process::id().to_string();
+    smol::spawn(crashes::init(crashes::InitCrashHandler {
+        session_id: id.clone(),
+        zed_version: VERSION.to_owned(),
+        release_channel: release_channel::RELEASE_CHANNEL_NAME.clone(),
+        commit_sha: option_env!("ZED_COMMIT_SHA").unwrap_or("no_sha").to_owned(),
+    }))
+    .detach();
+    init_panic_hook(id);
+
+    log::info!("starting proxy process. PID: {}", std::process::id());
+
+    let server_pid = check_pid_file(&server_paths.pid_file).map_err(|source| {
+        ExecuteProxyError::CheckPidFile {
+            source,
+            path: server_paths.pid_file.clone(),
+        }
+    })?;
     let server_running = server_pid.is_some();
     if is_reconnecting {
         if !server_running {
             log::error!("attempted to reconnect, but no server running");
-            anyhow::bail!(ProxyLaunchError::ServerNotRunning);
+            return Err(ExecuteProxyError::ServerNotRunning(
+                ProxyLaunchError::ServerNotRunning,
+            ));
         }
     } else {
         if let Some(pid) = server_pid {
@@ -552,7 +660,7 @@ pub fn execute_proxy(identifier: String, is_reconnecting: bool) -> Result<()> {
             kill_running_server(pid, &server_paths)?;
         }
 
-        spawn_server(&server_paths)?;
+        spawn_server(&server_paths).map_err(ExecuteProxyError::SpawnServer)?;
     };
 
     let stdin_task = smol::spawn(async move {
@@ -583,7 +691,7 @@ pub fn execute_proxy(identifier: String, is_reconnecting: bool) -> Result<()> {
                     Err(anyhow!(error))?;
                 }
                 n => {
-                    stderr.write_all(&mut stderr_buffer[..n]).await?;
+                    stderr.write_all(&stderr_buffer[..n]).await?;
                     stderr.flush().await?;
                 }
             }
@@ -592,9 +700,9 @@ pub fn execute_proxy(identifier: String, is_reconnecting: bool) -> Result<()> {
 
     if let Err(forwarding_result) = smol::block_on(async move {
         futures::select! {
-            result = stdin_task.fuse() => result.context("stdin_task failed"),
-            result = stdout_task.fuse() => result.context("stdout_task failed"),
-            result = stderr_task.fuse() => result.context("stderr_task failed"),
+            result = stdin_task.fuse() => result.map_err(ExecuteProxyError::StdinTask),
+            result = stdout_task.fuse() => result.map_err(ExecuteProxyError::StdoutTask),
+            result = stderr_task.fuse() => result.map_err(ExecuteProxyError::StderrTask),
         }
     }) {
         log::error!(
@@ -607,12 +715,12 @@ pub fn execute_proxy(identifier: String, is_reconnecting: bool) -> Result<()> {
     Ok(())
 }
 
-fn kill_running_server(pid: u32, paths: &ServerPaths) -> Result<()> {
+fn kill_running_server(pid: u32, paths: &ServerPaths) -> Result<(), ExecuteProxyError> {
     log::info!("killing existing server with PID {}", pid);
     std::process::Command::new("kill")
         .arg(pid.to_string())
         .output()
-        .context("failed to kill existing server")?;
+        .map_err(|source| ExecuteProxyError::KillRunningServer { source, pid })?;
 
     for file in [
         &paths.pid_file,
@@ -626,18 +734,39 @@ fn kill_running_server(pid: u32, paths: &ServerPaths) -> Result<()> {
     Ok(())
 }
 
-fn spawn_server(paths: &ServerPaths) -> Result<()> {
+#[derive(Debug, Error)]
+pub(crate) enum SpawnServerError {
+    #[error("failed to remove stdin socket")]
+    RemoveStdinSocket(#[source] std::io::Error),
+
+    #[error("failed to remove stdout socket")]
+    RemoveStdoutSocket(#[source] std::io::Error),
+
+    #[error("failed to remove stderr socket")]
+    RemoveStderrSocket(#[source] std::io::Error),
+
+    #[error("failed to get current_exe")]
+    CurrentExe(#[source] std::io::Error),
+
+    #[error("failed to launch server process")]
+    ProcessStatus(#[source] std::io::Error),
+
+    #[error("failed to launch and detach server process: {status}\n{paths}")]
+    LaunchStatus { status: ExitStatus, paths: String },
+}
+
+fn spawn_server(paths: &ServerPaths) -> Result<(), SpawnServerError> {
     if paths.stdin_socket.exists() {
-        std::fs::remove_file(&paths.stdin_socket)?;
+        std::fs::remove_file(&paths.stdin_socket).map_err(SpawnServerError::RemoveStdinSocket)?;
     }
     if paths.stdout_socket.exists() {
-        std::fs::remove_file(&paths.stdout_socket)?;
+        std::fs::remove_file(&paths.stdout_socket).map_err(SpawnServerError::RemoveStdoutSocket)?;
     }
     if paths.stderr_socket.exists() {
-        std::fs::remove_file(&paths.stderr_socket)?;
+        std::fs::remove_file(&paths.stderr_socket).map_err(SpawnServerError::RemoveStderrSocket)?;
     }
 
-    let binary_name = std::env::current_exe()?;
+    let binary_name = std::env::current_exe().map_err(SpawnServerError::CurrentExe)?;
     let mut server_process = std::process::Command::new(binary_name);
     server_process
         .arg("run")
@@ -654,11 +783,17 @@ fn spawn_server(paths: &ServerPaths) -> Result<()> {
 
     let status = server_process
         .status()
-        .context("failed to launch server process")?;
-    anyhow::ensure!(
-        status.success(),
-        "failed to launch and detach server process"
-    );
+        .map_err(SpawnServerError::ProcessStatus)?;
+
+    if !status.success() {
+        return Err(SpawnServerError::LaunchStatus {
+            status,
+            paths: format!(
+                "log file: {:?}, pid file: {:?}",
+                paths.log_file, paths.pid_file,
+            ),
+        });
+    }
 
     let mut total_time_waited = std::time::Duration::from_secs(0);
     let wait_duration = std::time::Duration::from_millis(20);
@@ -679,7 +814,15 @@ fn spawn_server(paths: &ServerPaths) -> Result<()> {
     Ok(())
 }
 
-fn check_pid_file(path: &Path) -> Result<Option<u32>> {
+#[derive(Debug, Error)]
+#[error("Failed to remove PID file for missing process (pid `{pid}`")]
+pub(crate) struct CheckPidError {
+    #[source]
+    source: std::io::Error,
+    pid: u32,
+}
+
+fn check_pid_file(path: &Path) -> Result<Option<u32>, CheckPidError> {
     let Some(pid) = std::fs::read_to_string(&path)
         .ok()
         .and_then(|contents| contents.parse::<u32>().ok())
@@ -704,7 +847,7 @@ fn check_pid_file(path: &Path) -> Result<Option<u32>> {
             log::debug!(
                 "Found PID file, but process with that PID does not exist. Removing PID file."
             );
-            std::fs::remove_file(&path).context("Failed to remove PID file")?;
+            std::fs::remove_file(&path).map_err(|source| CheckPidError { source, pid })?;
             Ok(None)
         }
     }
@@ -753,18 +896,14 @@ async fn write_size_prefixed_buffer<S: AsyncWrite + Unpin>(
 }
 
 fn initialize_settings(
-    session: Arc<ChannelClient>,
+    session: AnyProtoClient,
     fs: Arc<dyn Fs>,
     cx: &mut App,
 ) -> watch::Receiver<Option<NodeBinaryOptions>> {
-    let user_settings_file_rx = watch_config_file(
-        &cx.background_executor(),
-        fs,
-        paths::settings_file().clone(),
-    );
+    let user_settings_file_rx =
+        watch_config_file(cx.background_executor(), fs, paths::settings_file().clone());
 
     handle_settings_file_changes(user_settings_file_rx, cx, {
-        let session = session.clone();
         move |err, _cx| {
             if let Some(e) = err {
                 log::info!("Server settings failed to change: {}", e);
@@ -855,7 +994,8 @@ pub fn handle_settings_file_changes(
 
 fn read_proxy_settings(cx: &mut Context<HeadlessProject>) -> Option<Url> {
     let proxy_str = ProxySettings::get_global(cx).proxy.to_owned();
-    let proxy_url = proxy_str
+
+    proxy_str
         .as_ref()
         .and_then(|input: &String| {
             input
@@ -863,8 +1003,7 @@ fn read_proxy_settings(cx: &mut Context<HeadlessProject>) -> Option<Url> {
                 .inspect_err(|e| log::error!("Error parsing proxy settings: {}", e))
                 .ok()
         })
-        .or_else(read_proxy_from_env);
-    proxy_url
+        .or_else(read_proxy_from_env)
 }
 
 fn daemonize() -> Result<ControlFlow<()>> {
@@ -915,13 +1054,13 @@ fn cleanup_old_binaries() -> Result<()> {
     for entry in std::fs::read_dir(server_dir)? {
         let path = entry?.path();
 
-        if let Some(file_name) = path.file_name() {
-            if let Some(version) = file_name.to_string_lossy().strip_prefix(&prefix) {
-                if !is_new_version(version) && !is_file_in_use(file_name) {
-                    log::info!("removing old remote server binary: {:?}", path);
-                    std::fs::remove_file(&path)?;
-                }
-            }
+        if let Some(file_name) = path.file_name()
+            && let Some(version) = file_name.to_string_lossy().strip_prefix(&prefix)
+            && !is_new_version(version)
+            && !is_file_in_use(file_name)
+        {
+            log::info!("removing old remote server binary: {:?}", path);
+            std::fs::remove_file(&path)?;
         }
     }
 
diff --git a/crates/repl/src/components/kernel_options.rs b/crates/repl/src/components/kernel_options.rs
index 0623fd7ea5..bceefd08cc 100644
--- a/crates/repl/src/components/kernel_options.rs
+++ b/crates/repl/src/components/kernel_options.rs
@@ -126,7 +126,7 @@ impl PickerDelegate for KernelPickerDelegate {
                 .collect()
         };
 
-        return Task::ready(());
+        Task::ready(())
     }
 
     fn confirm(&mut self, _secondary: bool, window: &mut Window, cx: &mut Context<Picker<Self>>) {
@@ -187,7 +187,7 @@ impl PickerDelegate for KernelPickerDelegate {
                                                     .size(LabelSize::Default),
                                             ),
                                         )
-                                        .when_some(path_or_url.clone(), |flex, path| {
+                                        .when_some(path_or_url, |flex, path| {
                                             flex.text_ellipsis().child(
                                                 Label::new(path)
                                                     .size(LabelSize::Small)
@@ -235,8 +235,8 @@ impl PickerDelegate for KernelPickerDelegate {
                 .gap_4()
                 .child(
                     Button::new("kernel-docs", "Kernel Docs")
-                        .icon(IconName::ExternalLink)
-                        .icon_size(IconSize::XSmall)
+                        .icon(IconName::ArrowUpRight)
+                        .icon_size(IconSize::Small)
                         .icon_color(Color::Muted)
                         .icon_position(IconPosition::End)
                         .on_click(move |_, _, cx| cx.open_url(KERNEL_DOCS_URL)),
@@ -269,10 +269,9 @@ where
         };
 
         let picker_view = cx.new(|cx| {
-            let picker = Picker::uniform_list(delegate, window, cx)
+            Picker::uniform_list(delegate, window, cx)
                 .width(rems(30.))
-                .max_height(Some(rems(20.).into()));
-            picker
+                .max_height(Some(rems(20.).into()))
         });
 
         PopoverMenu::new("kernel-switcher")
diff --git a/crates/repl/src/kernels/mod.rs b/crates/repl/src/kernels/mod.rs
index 3c3b766612..52188a39c4 100644
--- a/crates/repl/src/kernels/mod.rs
+++ b/crates/repl/src/kernels/mod.rs
@@ -169,10 +169,7 @@ pub enum KernelStatus {
 
 impl KernelStatus {
     pub fn is_connected(&self) -> bool {
-        match self {
-            KernelStatus::Idle | KernelStatus::Busy => true,
-            _ => false,
-        }
+        matches!(self, KernelStatus::Idle | KernelStatus::Busy)
     }
 }
 
diff --git a/crates/repl/src/kernels/native_kernel.rs b/crates/repl/src/kernels/native_kernel.rs
index aa6a812809..83271fae16 100644
--- a/crates/repl/src/kernels/native_kernel.rs
+++ b/crates/repl/src/kernels/native_kernel.rs
@@ -399,10 +399,10 @@ async fn read_kernels_dir(path: PathBuf, fs: &dyn Fs) -> Result<Vec<LocalKernelS
     while let Some(path) = kernelspec_dirs.next().await {
         match path {
             Ok(path) => {
-                if fs.is_dir(path.as_path()).await {
-                    if let Ok(kernelspec) = read_kernelspec_at(path, fs).await {
-                        valid_kernelspecs.push(kernelspec);
-                    }
+                if fs.is_dir(path.as_path()).await
+                    && let Ok(kernelspec) = read_kernelspec_at(path, fs).await
+                {
+                    valid_kernelspecs.push(kernelspec);
                 }
             }
             Err(err) => log::warn!("Error reading kernelspec directory: {err:?}"),
@@ -429,14 +429,14 @@ pub async fn local_kernel_specifications(fs: Arc<dyn Fs>) -> Result<Vec<LocalKer
         .output()
         .await;
 
-    if let Ok(command) = command {
-        if command.status.success() {
-            let python_prefix = String::from_utf8(command.stdout);
-            if let Ok(python_prefix) = python_prefix {
-                let python_prefix = PathBuf::from(python_prefix.trim());
-                let python_data_dir = python_prefix.join("share").join("jupyter");
-                data_dirs.push(python_data_dir);
-            }
+    if let Ok(command) = command
+        && command.status.success()
+    {
+        let python_prefix = String::from_utf8(command.stdout);
+        if let Ok(python_prefix) = python_prefix {
+            let python_prefix = PathBuf::from(python_prefix.trim());
+            let python_data_dir = python_prefix.join("share").join("jupyter");
+            data_dirs.push(python_data_dir);
         }
     }
 
diff --git a/crates/repl/src/kernels/remote_kernels.rs b/crates/repl/src/kernels/remote_kernels.rs
index 1bef6c24db..6bc8b0d1b1 100644
--- a/crates/repl/src/kernels/remote_kernels.rs
+++ b/crates/repl/src/kernels/remote_kernels.rs
@@ -95,7 +95,7 @@ pub async fn list_remote_kernelspecs(
         .kernelspecs
         .into_iter()
         .map(|(name, spec)| RemoteKernelSpecification {
-            name: name.clone(),
+            name,
             url: remote_server.base_url.clone(),
             token: remote_server.token.clone(),
             kernelspec: spec.spec,
@@ -103,7 +103,7 @@ pub async fn list_remote_kernelspecs(
         .collect::<Vec<RemoteKernelSpecification>>();
 
     anyhow::ensure!(!remote_kernelspecs.is_empty(), "No kernel specs found");
-    Ok(remote_kernelspecs.clone())
+    Ok(remote_kernelspecs)
 }
 
 impl PartialEq for RemoteKernelSpecification {
diff --git a/crates/repl/src/notebook/cell.rs b/crates/repl/src/notebook/cell.rs
index 2ed68c17d1..87b8e1d55a 100644
--- a/crates/repl/src/notebook/cell.rs
+++ b/crates/repl/src/notebook/cell.rs
@@ -38,7 +38,7 @@ pub enum CellControlType {
 impl CellControlType {
     fn icon_name(&self) -> IconName {
         match self {
-            CellControlType::RunCell => IconName::Play,
+            CellControlType::RunCell => IconName::PlayFilled,
             CellControlType::RerunCell => IconName::ArrowCircle,
             CellControlType::ClearCell => IconName::ListX,
             CellControlType::CellOptions => IconName::Ellipsis,
@@ -91,7 +91,7 @@ fn convert_outputs(
     cx: &mut App,
 ) -> Vec<Output> {
     outputs
-        .into_iter()
+        .iter()
         .map(|output| match output {
             nbformat::v4::Output::Stream { text, .. } => Output::Stream {
                 content: cx.new(|cx| TerminalOutput::from(&text.0, window, cx)),
diff --git a/crates/repl/src/notebook/notebook_ui.rs b/crates/repl/src/notebook/notebook_ui.rs
index d14f458fa9..325d262d9e 100644
--- a/crates/repl/src/notebook/notebook_ui.rs
+++ b/crates/repl/src/notebook/notebook_ui.rs
@@ -126,29 +126,7 @@ impl NotebookEditor {
         let cell_count = cell_order.len();
 
         let this = cx.entity();
-        let cell_list = ListState::new(
-            cell_count,
-            gpui::ListAlignment::Top,
-            px(1000.),
-            move |ix, window, cx| {
-                notebook_handle
-                    .upgrade()
-                    .and_then(|notebook_handle| {
-                        notebook_handle.update(cx, |notebook, cx| {
-                            notebook
-                                .cell_order
-                                .get(ix)
-                                .and_then(|cell_id| notebook.cell_map.get(cell_id))
-                                .map(|cell| {
-                                    notebook
-                                        .render_cell(ix, cell, window, cx)
-                                        .into_any_element()
-                                })
-                        })
-                    })
-                    .unwrap_or_else(|| div().into_any())
-            },
-        );
+        let cell_list = ListState::new(cell_count, gpui::ListAlignment::Top, px(1000.));
 
         Self {
             project,
@@ -317,7 +295,7 @@ impl NotebookEditor {
         _cx: &mut Context<Self>,
     ) -> IconButton {
         let id: ElementId = ElementId::Name(id.into());
-        IconButton::new(id, icon).width(px(CONTROL_SIZE).into())
+        IconButton::new(id, icon).width(px(CONTROL_SIZE))
     }
 
     fn render_notebook_controls(
@@ -343,7 +321,7 @@ impl NotebookEditor {
                             .child(
                                 Self::render_notebook_control(
                                     "run-all-cells",
-                                    IconName::Play,
+                                    IconName::PlayFilled,
                                     window,
                                     cx,
                                 )
@@ -544,7 +522,19 @@ impl Render for NotebookEditor {
                     .flex_1()
                     .size_full()
                     .overflow_y_scroll()
-                    .child(list(self.cell_list.clone()).size_full()),
+                    .child(list(
+                        self.cell_list.clone(),
+                        cx.processor(|this, ix, window, cx| {
+                            this.cell_order
+                                .get(ix)
+                                .and_then(|cell_id| this.cell_map.get(cell_id))
+                                .map(|cell| {
+                                    this.render_cell(ix, cell, window, cx).into_any_element()
+                                })
+                                .unwrap_or_else(|| div().into_any())
+                        }),
+                    ))
+                    .size_full(),
             )
             .child(self.render_notebook_controls(window, cx))
     }
@@ -585,7 +575,7 @@ impl project::ProjectItem for NotebookItem {
                     .with_context(|| format!("finding the absolute path of {path:?}"))?;
 
                 // todo: watch for changes to the file
-                let file_content = fs.load(&abs_path.as_path()).await?;
+                let file_content = fs.load(abs_path.as_path()).await?;
                 let notebook = nbformat::parse_notebook(&file_content);
 
                 let notebook = match notebook {
@@ -594,8 +584,8 @@ impl project::ProjectItem for NotebookItem {
                     Ok(nbformat::Notebook::Legacy(legacy_notebook)) => {
                         // TODO: Decide if we want to mutate the notebook by including Cell IDs
                         // and any other conversions
-                        let notebook = nbformat::upgrade_legacy_notebook(legacy_notebook)?;
-                        notebook
+
+                        nbformat::upgrade_legacy_notebook(legacy_notebook)?
                     }
                     // Bad notebooks and notebooks v4.0 and below are not supported
                     Err(e) => {
diff --git a/crates/repl/src/outputs.rs b/crates/repl/src/outputs.rs
index e13e569c2a..767b103435 100644
--- a/crates/repl/src/outputs.rs
+++ b/crates/repl/src/outputs.rs
@@ -163,7 +163,7 @@ impl Output {
                     el.child(
                         IconButton::new(
                             ElementId::Name("open-in-buffer".into()),
-                            IconName::FileText,
+                            IconName::FileTextOutlined,
                         )
                         .style(ButtonStyle::Transparent)
                         .tooltip(Tooltip::text("Open in Buffer"))
@@ -228,26 +228,23 @@ impl Output {
             .child(div().flex_1().children(content))
             .children(match self {
                 Self::Plain { content, .. } => {
-                    Self::render_output_controls(content.clone(), workspace.clone(), window, cx)
+                    Self::render_output_controls(content.clone(), workspace, window, cx)
                 }
                 Self::Markdown { content, .. } => {
-                    Self::render_output_controls(content.clone(), workspace.clone(), window, cx)
+                    Self::render_output_controls(content.clone(), workspace, window, cx)
                 }
                 Self::Stream { content, .. } => {
-                    Self::render_output_controls(content.clone(), workspace.clone(), window, cx)
+                    Self::render_output_controls(content.clone(), workspace, window, cx)
                 }
                 Self::Image { content, .. } => {
-                    Self::render_output_controls(content.clone(), workspace.clone(), window, cx)
+                    Self::render_output_controls(content.clone(), workspace, window, cx)
+                }
+                Self::ErrorOutput(err) => {
+                    Self::render_output_controls(err.traceback.clone(), workspace, window, cx)
                 }
-                Self::ErrorOutput(err) => Self::render_output_controls(
-                    err.traceback.clone(),
-                    workspace.clone(),
-                    window,
-                    cx,
-                ),
                 Self::Message(_) => None,
                 Self::Table { content, .. } => {
-                    Self::render_output_controls(content.clone(), workspace.clone(), window, cx)
+                    Self::render_output_controls(content.clone(), workspace, window, cx)
                 }
                 Self::ClearOutputWaitMarker => None,
             })
@@ -412,10 +409,10 @@ impl ExecutionView {
         };
 
         // Check for a clear output marker as the previous output, so we can clear it out
-        if let Some(output) = self.outputs.last() {
-            if let Output::ClearOutputWaitMarker = output {
-                self.outputs.clear();
-            }
+        if let Some(output) = self.outputs.last()
+            && let Output::ClearOutputWaitMarker = output
+        {
+            self.outputs.clear();
         }
 
         self.outputs.push(output);
@@ -433,11 +430,11 @@ impl ExecutionView {
         let mut any = false;
 
         self.outputs.iter_mut().for_each(|output| {
-            if let Some(other_display_id) = output.display_id().as_ref() {
-                if other_display_id == display_id {
-                    *output = Output::new(data, Some(display_id.to_owned()), window, cx);
-                    any = true;
-                }
+            if let Some(other_display_id) = output.display_id().as_ref()
+                && other_display_id == display_id
+            {
+                *output = Output::new(data, Some(display_id.to_owned()), window, cx);
+                any = true;
             }
         });
 
@@ -452,19 +449,18 @@ impl ExecutionView {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Option<Output> {
-        if let Some(last_output) = self.outputs.last_mut() {
-            if let Output::Stream {
+        if let Some(last_output) = self.outputs.last_mut()
+            && let Output::Stream {
                 content: last_stream,
             } = last_output
-            {
-                // Don't need to add a new output, we already have a terminal output
-                // and can just update the most recent terminal output
-                last_stream.update(cx, |last_stream, cx| {
-                    last_stream.append_text(text, cx);
-                    cx.notify();
-                });
-                return None;
-            }
+        {
+            // Don't need to add a new output, we already have a terminal output
+            // and can just update the most recent terminal output
+            last_stream.update(cx, |last_stream, cx| {
+                last_stream.append_text(text, cx);
+                cx.notify();
+            });
+            return None;
         }
 
         Some(Output::Stream {
diff --git a/crates/repl/src/outputs/markdown.rs b/crates/repl/src/outputs/markdown.rs
index 118260ae94..bd88f4e159 100644
--- a/crates/repl/src/outputs/markdown.rs
+++ b/crates/repl/src/outputs/markdown.rs
@@ -35,7 +35,7 @@ impl MarkdownView {
         });
 
         Self {
-            raw_text: text.clone(),
+            raw_text: text,
             image_cache: RetainAllImageCache::new(cx),
             contents: None,
             parsing_markdown_task: Some(task),
diff --git a/crates/repl/src/outputs/plain.rs b/crates/repl/src/outputs/plain.rs
index 74c7bfa3c3..ae3c728c8a 100644
--- a/crates/repl/src/outputs/plain.rs
+++ b/crates/repl/src/outputs/plain.rs
@@ -68,7 +68,7 @@ pub fn text_style(window: &mut Window, cx: &mut App) -> TextStyle {
 
     let theme = cx.theme();
 
-    let text_style = TextStyle {
+    TextStyle {
         font_family,
         font_features,
         font_weight,
@@ -81,9 +81,7 @@ pub fn text_style(window: &mut Window, cx: &mut App) -> TextStyle {
         // These are going to be overridden per-cell
         color: theme.colors().terminal_foreground,
         ..Default::default()
-    };
-
-    text_style
+    }
 }
 
 /// Returns the default terminal size for the terminal output.
diff --git a/crates/repl/src/repl_editor.rs b/crates/repl/src/repl_editor.rs
index 32b59d639d..b4c928c33e 100644
--- a/crates/repl/src/repl_editor.rs
+++ b/crates/repl/src/repl_editor.rs
@@ -202,7 +202,7 @@ pub fn session(editor: WeakEntity<Editor>, cx: &mut App) -> SessionSupport {
         return SessionSupport::Unsupported;
     };
 
-    let worktree_id = worktree_id_for_editor(editor.clone(), cx);
+    let worktree_id = worktree_id_for_editor(editor, cx);
 
     let Some(worktree_id) = worktree_id else {
         return SessionSupport::Unsupported;
@@ -216,7 +216,7 @@ pub fn session(editor: WeakEntity<Editor>, cx: &mut App) -> SessionSupport {
         Some(kernelspec) => SessionSupport::Inactive(kernelspec),
         None => {
             // For language_supported, need to check available kernels for language
-            if language_supported(&language.clone(), cx) {
+            if language_supported(&language, cx) {
                 SessionSupport::RequiresSetup(language.name())
             } else {
                 SessionSupport::Unsupported
@@ -326,7 +326,7 @@ pub fn setup_editor_session_actions(editor: &mut Editor, editor_handle: WeakEnti
 
     editor
         .register_action({
-            let editor_handle = editor_handle.clone();
+            let editor_handle = editor_handle;
             move |_: &Restart, window, cx| {
                 if !JupyterSettings::enabled(cx) {
                     return;
@@ -417,10 +417,10 @@ fn runnable_ranges(
     range: Range<Point>,
     cx: &mut App,
 ) -> (Vec<Range<Point>>, Option<Point>) {
-    if let Some(language) = buffer.language() {
-        if language.name() == "Markdown".into() {
-            return (markdown_code_blocks(buffer, range.clone(), cx), None);
-        }
+    if let Some(language) = buffer.language()
+        && language.name() == "Markdown".into()
+    {
+        return (markdown_code_blocks(buffer, range, cx), None);
     }
 
     let (jupytext_snippets, next_cursor) = jupytext_cells(buffer, range.clone());
@@ -434,7 +434,7 @@ fn runnable_ranges(
 
     if start_language
         .zip(end_language)
-        .map_or(false, |(start, end)| start == end)
+        .is_some_and(|(start, end)| start == end)
     {
         (vec![snippet_range], None)
     } else {
@@ -685,8 +685,8 @@ mod tests {
         let python = languages::language("python", tree_sitter_python::LANGUAGE.into());
         let language_registry = Arc::new(LanguageRegistry::new(cx.background_executor().clone()));
         language_registry.add(markdown.clone());
-        language_registry.add(typescript.clone());
-        language_registry.add(python.clone());
+        language_registry.add(typescript);
+        language_registry.add(python);
 
         // Two code blocks intersecting with selection
         let buffer = cx.new(|cx| {
diff --git a/crates/repl/src/repl_sessions_ui.rs b/crates/repl/src/repl_sessions_ui.rs
index 2f4c1f86fc..493b8aa950 100644
--- a/crates/repl/src/repl_sessions_ui.rs
+++ b/crates/repl/src/repl_sessions_ui.rs
@@ -102,21 +102,16 @@ pub fn init(cx: &mut App) {
 
                 let editor_handle = cx.entity().downgrade();
 
-                if let Some(language) = language {
-                    if language.name() == "Python".into() {
-                        if let (Some(project_path), Some(project)) = (project_path, project) {
-                            let store = ReplStore::global(cx);
-                            store.update(cx, |store, cx| {
-                                store
-                                    .refresh_python_kernelspecs(
-                                        project_path.worktree_id,
-                                        &project,
-                                        cx,
-                                    )
-                                    .detach_and_log_err(cx);
-                            });
-                        }
-                    }
+                if let Some(language) = language
+                    && language.name() == "Python".into()
+                    && let (Some(project_path), Some(project)) = (project_path, project)
+                {
+                    let store = ReplStore::global(cx);
+                    store.update(cx, |store, cx| {
+                        store
+                            .refresh_python_kernelspecs(project_path.worktree_id, &project, cx)
+                            .detach_and_log_err(cx);
+                    });
                 }
 
                 editor
@@ -134,7 +129,6 @@ pub fn init(cx: &mut App) {
 
                 editor
                     .register_action({
-                        let editor_handle = editor_handle.clone();
                         move |_: &RunInPlace, window, cx| {
                             if !JupyterSettings::enabled(cx) {
                                 return;
diff --git a/crates/repl/src/repl_store.rs b/crates/repl/src/repl_store.rs
index 1a3c9fa49a..b9a36a18ae 100644
--- a/crates/repl/src/repl_store.rs
+++ b/crates/repl/src/repl_store.rs
@@ -171,10 +171,10 @@ impl ReplStore {
                 .map(KernelSpecification::Jupyter)
                 .collect::<Vec<_>>();
 
-            if let Some(remote_task) = remote_kernel_specifications {
-                if let Ok(remote_specs) = remote_task.await {
-                    all_specs.extend(remote_specs);
-                }
+            if let Some(remote_task) = remote_kernel_specifications
+                && let Ok(remote_specs) = remote_task.await
+            {
+                all_specs.extend(remote_specs);
             }
 
             anyhow::Ok(all_specs)
diff --git a/crates/repl/src/session.rs b/crates/repl/src/session.rs
index 729a616135..674639c402 100644
--- a/crates/repl/src/session.rs
+++ b/crates/repl/src/session.rs
@@ -244,7 +244,7 @@ impl Session {
             repl_session_id = cx.entity_id().to_string(),
         );
 
-        let session_view = cx.entity().clone();
+        let session_view = cx.entity();
 
         let kernel = match self.kernel_specification.clone() {
             KernelSpecification::Jupyter(kernel_specification)
@@ -460,7 +460,6 @@ impl Session {
             Kernel::StartingKernel(task) => {
                 // Queue up the execution as a task to run after the kernel starts
                 let task = task.clone();
-                let message = message.clone();
 
                 cx.spawn(async move |this, cx| {
                     task.await;
@@ -568,7 +567,7 @@ impl Session {
 
         match kernel {
             Kernel::RunningKernel(mut kernel) => {
-                let mut request_tx = kernel.request_tx().clone();
+                let mut request_tx = kernel.request_tx();
 
                 let forced = kernel.force_shutdown(window, cx);
 
@@ -605,7 +604,7 @@ impl Session {
                 // Do nothing if already restarting
             }
             Kernel::RunningKernel(mut kernel) => {
-                let mut request_tx = kernel.request_tx().clone();
+                let mut request_tx = kernel.request_tx();
 
                 let forced = kernel.force_shutdown(window, cx);
 
diff --git a/crates/reqwest_client/src/reqwest_client.rs b/crates/reqwest_client/src/reqwest_client.rs
index e02768876d..d0d25bdf25 100644
--- a/crates/reqwest_client/src/reqwest_client.rs
+++ b/crates/reqwest_client/src/reqwest_client.rs
@@ -4,14 +4,13 @@ use std::{any::type_name, borrow::Cow, mem, pin::Pin, task::Poll, time::Duration
 
 use anyhow::anyhow;
 use bytes::{BufMut, Bytes, BytesMut};
-use futures::{AsyncRead, TryStreamExt as _};
+use futures::{AsyncRead, FutureExt as _, TryStreamExt as _};
 use http_client::{RedirectPolicy, Url, http};
 use regex::Regex;
 use reqwest::{
     header::{HeaderMap, HeaderValue},
     redirect,
 };
-use smol::future::FutureExt;
 
 const DEFAULT_CAPACITY: usize = 4096;
 static RUNTIME: OnceLock<tokio::runtime::Runtime> = OnceLock::new();
@@ -202,12 +201,11 @@ pub fn poll_read_buf(
 }
 
 fn redact_error(mut error: reqwest::Error) -> reqwest::Error {
-    if let Some(url) = error.url_mut() {
-        if let Some(query) = url.query() {
-            if let Cow::Owned(redacted) = REDACT_REGEX.replace_all(query, "key=REDACTED") {
-                url.set_query(Some(redacted.as_str()));
-            }
-        }
+    if let Some(url) = error.url_mut()
+        && let Some(query) = url.query()
+        && let Cow::Owned(redacted) = REDACT_REGEX.replace_all(query, "key=REDACTED")
+    {
+        url.set_query(Some(redacted.as_str()));
     }
     error
 }
@@ -266,7 +264,7 @@ impl http_client::HttpClient for ReqwestClient {
 
             let bytes = response
                 .bytes_stream()
-                .map_err(|e| futures::io::Error::new(futures::io::ErrorKind::Other, e))
+                .map_err(futures::io::Error::other)
                 .into_async_read();
             let body = http_client::AsyncBody::from_reader(bytes);
 
@@ -274,6 +272,26 @@ impl http_client::HttpClient for ReqwestClient {
         }
         .boxed()
     }
+
+    fn send_multipart_form<'a>(
+        &'a self,
+        url: &str,
+        form: reqwest::multipart::Form,
+    ) -> futures::future::BoxFuture<'a, anyhow::Result<http_client::Response<http_client::AsyncBody>>>
+    {
+        let response = self.client.post(url).multipart(form).send();
+        self.handle
+            .spawn(async move {
+                let response = response.await?;
+                let mut builder = http::response::Builder::new().status(response.status());
+                for (k, v) in response.headers() {
+                    builder = builder.header(k, v)
+                }
+                Ok(builder.body(response.bytes().await?.into())?)
+            })
+            .map(|e| e?)
+            .boxed()
+    }
 }
 
 #[cfg(test)]
diff --git a/crates/rich_text/src/rich_text.rs b/crates/rich_text/src/rich_text.rs
index 575e4318c3..2af9988f03 100644
--- a/crates/rich_text/src/rich_text.rs
+++ b/crates/rich_text/src/rich_text.rs
@@ -162,10 +162,10 @@ impl RichText {
                     }
                 }
                 for range in &custom_tooltip_ranges {
-                    if range.contains(&idx) {
-                        if let Some(f) = &custom_tooltip_fn {
-                            return f(idx, range.clone(), window, cx);
-                        }
+                    if range.contains(&idx)
+                        && let Some(f) = &custom_tooltip_fn
+                    {
+                        return f(idx, range.clone(), window, cx);
                     }
                 }
                 None
@@ -281,13 +281,12 @@ pub fn render_markdown_mut(
 
                     if style != HighlightStyle::default() && last_run_len < text.len() {
                         let mut new_highlight = true;
-                        if let Some((last_range, last_style)) = highlights.last_mut() {
-                            if last_range.end == last_run_len
-                                && last_style == &Highlight::Highlight(style)
-                            {
-                                last_range.end = text.len();
-                                new_highlight = false;
-                            }
+                        if let Some((last_range, last_style)) = highlights.last_mut()
+                            && last_range.end == last_run_len
+                            && last_style == &Highlight::Highlight(style)
+                        {
+                            last_range.end = text.len();
+                            new_highlight = false;
                         }
                         if new_highlight {
                             highlights
diff --git a/crates/rope/src/chunk.rs b/crates/rope/src/chunk.rs
index dc00674380..00679d8cf5 100644
--- a/crates/rope/src/chunk.rs
+++ b/crates/rope/src/chunk.rs
@@ -49,7 +49,7 @@ impl Chunk {
         self.chars_utf16 |= slice.chars_utf16 << base_ix;
         self.newlines |= slice.newlines << base_ix;
         self.tabs |= slice.tabs << base_ix;
-        self.text.push_str(&slice.text);
+        self.text.push_str(slice.text);
     }
 
     #[inline(always)]
@@ -92,7 +92,7 @@ impl Into<Chunk> for ChunkSlice<'_> {
 
 impl<'a> ChunkSlice<'a> {
     #[inline(always)]
-    pub fn is_empty(self) -> bool {
+    pub fn is_empty(&self) -> bool {
         self.text.is_empty()
     }
 
@@ -408,7 +408,7 @@ impl<'a> ChunkSlice<'a> {
         }
 
         let row_offset_range = self.offset_range_for_row(point.0.row);
-        let line = self.slice(row_offset_range.clone());
+        let line = self.slice(row_offset_range);
         if point.0.column == 0 {
             Point::new(point.0.row, 0)
         } else if point.0.column >= line.len_utf16().0 as u32 {
@@ -543,7 +543,7 @@ impl Iterator for Tabs {
         // Since tabs are 1 byte the tab offset is the same as the byte offset
         let position = TabPosition {
             byte_offset: tab_offset,
-            char_offset: char_offset,
+            char_offset,
         };
         // Remove the tab we've just seen
         self.tabs ^= 1 << tab_offset;
@@ -623,7 +623,7 @@ mod tests {
         let text = &text[..ix];
 
         log::info!("Chunk: {:?}", text);
-        let chunk = Chunk::new(&text);
+        let chunk = Chunk::new(text);
         verify_chunk(chunk.as_slice(), text);
 
         for _ in 0..10 {
diff --git a/crates/rope/src/rope.rs b/crates/rope/src/rope.rs
index 515cd71331..0d3f5abbde 100644
--- a/crates/rope/src/rope.rs
+++ b/crates/rope/src/rope.rs
@@ -12,7 +12,7 @@ use std::{
     ops::{self, AddAssign, Range},
     str,
 };
-use sum_tree::{Bias, Dimension, SumTree};
+use sum_tree::{Bias, Dimension, Dimensions, SumTree};
 
 pub use chunk::ChunkSlice;
 pub use offset_utf16::OffsetUtf16;
@@ -31,22 +31,21 @@ impl Rope {
     }
 
     pub fn append(&mut self, rope: Rope) {
-        if let Some(chunk) = rope.chunks.first() {
-            if self
+        if let Some(chunk) = rope.chunks.first()
+            && (self
                 .chunks
                 .last()
-                .map_or(false, |c| c.text.len() < chunk::MIN_BASE)
-                || chunk.text.len() < chunk::MIN_BASE
-            {
-                self.push_chunk(chunk.as_slice());
+                .is_some_and(|c| c.text.len() < chunk::MIN_BASE)
+                || chunk.text.len() < chunk::MIN_BASE)
+        {
+            self.push_chunk(chunk.as_slice());
 
-                let mut chunks = rope.chunks.cursor::<()>(&());
-                chunks.next();
-                chunks.next();
-                self.chunks.append(chunks.suffix(), &());
-                self.check_invariants();
-                return;
-            }
+            let mut chunks = rope.chunks.cursor::<()>(&());
+            chunks.next();
+            chunks.next();
+            self.chunks.append(chunks.suffix(), &());
+            self.check_invariants();
+            return;
         }
 
         self.chunks.append(rope.chunks.clone(), &());
@@ -282,7 +281,7 @@ impl Rope {
         if offset >= self.summary().len {
             return self.summary().len_utf16;
         }
-        let mut cursor = self.chunks.cursor::<(usize, OffsetUtf16)>(&());
+        let mut cursor = self.chunks.cursor::<Dimensions<usize, OffsetUtf16>>(&());
         cursor.seek(&offset, Bias::Left);
         let overshoot = offset - cursor.start().0;
         cursor.start().1
@@ -295,7 +294,7 @@ impl Rope {
         if offset >= self.summary().len_utf16 {
             return self.summary().len;
         }
-        let mut cursor = self.chunks.cursor::<(OffsetUtf16, usize)>(&());
+        let mut cursor = self.chunks.cursor::<Dimensions<OffsetUtf16, usize>>(&());
         cursor.seek(&offset, Bias::Left);
         let overshoot = offset - cursor.start().0;
         cursor.start().1
@@ -308,7 +307,7 @@ impl Rope {
         if offset >= self.summary().len {
             return self.summary().lines;
         }
-        let mut cursor = self.chunks.cursor::<(usize, Point)>(&());
+        let mut cursor = self.chunks.cursor::<Dimensions<usize, Point>>(&());
         cursor.seek(&offset, Bias::Left);
         let overshoot = offset - cursor.start().0;
         cursor.start().1
@@ -321,7 +320,7 @@ impl Rope {
         if offset >= self.summary().len {
             return self.summary().lines_utf16();
         }
-        let mut cursor = self.chunks.cursor::<(usize, PointUtf16)>(&());
+        let mut cursor = self.chunks.cursor::<Dimensions<usize, PointUtf16>>(&());
         cursor.seek(&offset, Bias::Left);
         let overshoot = offset - cursor.start().0;
         cursor.start().1
@@ -334,7 +333,7 @@ impl Rope {
         if point >= self.summary().lines {
             return self.summary().lines_utf16();
         }
-        let mut cursor = self.chunks.cursor::<(Point, PointUtf16)>(&());
+        let mut cursor = self.chunks.cursor::<Dimensions<Point, PointUtf16>>(&());
         cursor.seek(&point, Bias::Left);
         let overshoot = point - cursor.start().0;
         cursor.start().1
@@ -347,7 +346,7 @@ impl Rope {
         if point >= self.summary().lines {
             return self.summary().len;
         }
-        let mut cursor = self.chunks.cursor::<(Point, usize)>(&());
+        let mut cursor = self.chunks.cursor::<Dimensions<Point, usize>>(&());
         cursor.seek(&point, Bias::Left);
         let overshoot = point - cursor.start().0;
         cursor.start().1
@@ -368,7 +367,7 @@ impl Rope {
         if point >= self.summary().lines_utf16() {
             return self.summary().len;
         }
-        let mut cursor = self.chunks.cursor::<(PointUtf16, usize)>(&());
+        let mut cursor = self.chunks.cursor::<Dimensions<PointUtf16, usize>>(&());
         cursor.seek(&point, Bias::Left);
         let overshoot = point - cursor.start().0;
         cursor.start().1
@@ -381,7 +380,7 @@ impl Rope {
         if point.0 >= self.summary().lines_utf16() {
             return self.summary().lines;
         }
-        let mut cursor = self.chunks.cursor::<(PointUtf16, Point)>(&());
+        let mut cursor = self.chunks.cursor::<Dimensions<PointUtf16, Point>>(&());
         cursor.seek(&point.0, Bias::Left);
         let overshoot = Unclipped(point.0 - cursor.start().0);
         cursor.start().1
@@ -471,11 +470,19 @@ impl<'a> FromIterator<&'a str> for Rope {
 }
 
 impl From<String> for Rope {
+    #[inline(always)]
     fn from(text: String) -> Self {
         Rope::from(text.as_str())
     }
 }
 
+impl From<&String> for Rope {
+    #[inline(always)]
+    fn from(text: &String) -> Self {
+        Rope::from(text.as_str())
+    }
+}
+
 impl fmt::Display for Rope {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         for chunk in self.chunks() {
@@ -727,16 +734,16 @@ impl<'a> Chunks<'a> {
         self.chunks
             .search_backward(|summary| summary.text.lines.row > 0);
         self.offset = *self.chunks.start();
-        if let Some(chunk) = self.chunks.item() {
-            if let Some(newline_ix) = chunk.text.rfind('\n') {
-                self.offset += newline_ix + 1;
-                if self.offset_is_valid() {
-                    if self.offset == self.chunks.end() {
-                        self.chunks.next();
-                    }
-
-                    return true;
+        if let Some(chunk) = self.chunks.item()
+            && let Some(newline_ix) = chunk.text.rfind('\n')
+        {
+            self.offset += newline_ix + 1;
+            if self.offset_is_valid() {
+                if self.offset == self.chunks.end() {
+                    self.chunks.next();
                 }
+
+                return true;
             }
         }
 
@@ -809,7 +816,7 @@ impl<'a> Chunks<'a> {
             }
         }
 
-        return true;
+        true
     }
 }
 
@@ -1168,16 +1175,17 @@ pub trait TextDimension:
     fn add_assign(&mut self, other: &Self);
 }
 
-impl<D1: TextDimension, D2: TextDimension> TextDimension for (D1, D2) {
+impl<D1: TextDimension, D2: TextDimension> TextDimension for Dimensions<D1, D2, ()> {
     fn from_text_summary(summary: &TextSummary) -> Self {
-        (
+        Dimensions(
             D1::from_text_summary(summary),
             D2::from_text_summary(summary),
+            (),
         )
     }
 
     fn from_chunk(chunk: ChunkSlice) -> Self {
-        (D1::from_chunk(chunk), D2::from_chunk(chunk))
+        Dimensions(D1::from_chunk(chunk), D2::from_chunk(chunk), ())
     }
 
     fn add_assign(&mut self, other: &Self) {
diff --git a/crates/rpc/src/conn.rs b/crates/rpc/src/conn.rs
index 0a41570fcc..e598e5f7bc 100644
--- a/crates/rpc/src/conn.rs
+++ b/crates/rpc/src/conn.rs
@@ -56,7 +56,7 @@ impl Connection {
         ) {
             use anyhow::anyhow;
             use futures::channel::mpsc;
-            use std::io::{Error, ErrorKind};
+            use std::io::Error;
 
             let (tx, rx) = mpsc::unbounded::<WebSocketMessage>();
 
@@ -71,7 +71,7 @@ impl Connection {
 
                         // Writes to a half-open TCP connection will error.
                         if killed.load(SeqCst) {
-                            std::io::Result::Err(Error::new(ErrorKind::Other, "connection lost"))?;
+                            std::io::Result::Err(Error::other("connection lost"))?;
                         }
 
                         Ok(msg)
@@ -80,7 +80,6 @@ impl Connection {
             });
 
             let rx = rx.then({
-                let executor = executor.clone();
                 move |msg| {
                     let killed = killed.clone();
                     let executor = executor.clone();
diff --git a/crates/rpc/src/notification.rs b/crates/rpc/src/notification.rs
index cb405b63ca..338ef33c8a 100644
--- a/crates/rpc/src/notification.rs
+++ b/crates/rpc/src/notification.rs
@@ -48,10 +48,10 @@ impl Notification {
         let Some(Value::String(kind)) = value.remove(KIND) else {
             unreachable!("kind is the enum tag")
         };
-        if let map::Entry::Occupied(e) = value.entry(ENTITY_ID) {
-            if e.get().is_u64() {
-                entity_id = e.remove().as_u64();
-            }
+        if let map::Entry::Occupied(e) = value.entry(ENTITY_ID)
+            && e.get().is_u64()
+        {
+            entity_id = e.remove().as_u64();
         }
         proto::Notification {
             kind,
diff --git a/crates/rpc/src/peer.rs b/crates/rpc/src/peer.rs
index 80a104641f..73be0f19fe 100644
--- a/crates/rpc/src/peer.rs
+++ b/crates/rpc/src/peer.rs
@@ -26,7 +26,6 @@ use std::{
     time::Duration,
     time::Instant,
 };
-use tracing::instrument;
 
 #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Serialize)]
 pub struct ConnectionId {
@@ -109,7 +108,6 @@ impl Peer {
         self.epoch.load(SeqCst)
     }
 
-    #[instrument(skip_all)]
     pub fn add_connection<F, Fut, Out>(
         self: &Arc<Self>,
         connection: Connection,
@@ -380,7 +378,6 @@ impl Peer {
         impl Future<Output = anyhow::Result<()>> + Send + use<>,
         BoxStream<'static, Box<dyn AnyTypedEnvelope>>,
     ) {
-        let executor = executor.clone();
         self.add_connection(connection, move |duration| executor.timer(duration))
     }
 
@@ -520,10 +517,10 @@ impl Peer {
                             &response.payload
                         {
                             // Remove the transmitting end of the response channel to end the stream.
-                            if let Some(channels) = stream_response_channels.upgrade() {
-                                if let Some(channels) = channels.lock().as_mut() {
-                                    channels.remove(&message_id);
-                                }
+                            if let Some(channels) = stream_response_channels.upgrade()
+                                && let Some(channels) = channels.lock().as_mut()
+                            {
+                                channels.remove(&message_id);
                             }
                             None
                         } else {
diff --git a/crates/rpc/src/proto_client.rs b/crates/rpc/src/proto_client.rs
index eb570b96a3..a90797ff5d 100644
--- a/crates/rpc/src/proto_client.rs
+++ b/crates/rpc/src/proto_client.rs
@@ -1,35 +1,48 @@
-use anyhow::Context;
+use anyhow::{Context, Result};
 use collections::HashMap;
 use futures::{
     Future, FutureExt as _,
+    channel::oneshot,
     future::{BoxFuture, LocalBoxFuture},
 };
-use gpui::{AnyEntity, AnyWeakEntity, AsyncApp, Entity};
+use gpui::{AnyEntity, AnyWeakEntity, AsyncApp, BackgroundExecutor, Entity, FutureExt as _};
+use parking_lot::Mutex;
 use proto::{
-    AnyTypedEnvelope, EntityMessage, Envelope, EnvelopedMessage, RequestMessage, TypedEnvelope,
-    error::ErrorExt as _,
+    AnyTypedEnvelope, EntityMessage, Envelope, EnvelopedMessage, LspRequestId, LspRequestMessage,
+    RequestMessage, TypedEnvelope, error::ErrorExt as _,
 };
 use std::{
     any::{Any, TypeId},
-    sync::{Arc, Weak},
+    sync::{
+        Arc, OnceLock,
+        atomic::{self, AtomicU64},
+    },
+    time::Duration,
 };
 
 #[derive(Clone)]
-pub struct AnyProtoClient(Arc<dyn ProtoClient>);
+pub struct AnyProtoClient(Arc<State>);
 
-impl AnyProtoClient {
-    pub fn downgrade(&self) -> AnyWeakProtoClient {
-        AnyWeakProtoClient(Arc::downgrade(&self.0))
-    }
-}
+type RequestIds = Arc<
+    Mutex<
+        HashMap<
+            LspRequestId,
+            oneshot::Sender<
+                Result<
+                    Option<TypedEnvelope<Vec<proto::ProtoLspResponse<Box<dyn AnyTypedEnvelope>>>>>,
+                >,
+            >,
+        >,
+    >,
+>;
 
-#[derive(Clone)]
-pub struct AnyWeakProtoClient(Weak<dyn ProtoClient>);
+static NEXT_LSP_REQUEST_ID: OnceLock<Arc<AtomicU64>> = OnceLock::new();
+static REQUEST_IDS: OnceLock<RequestIds> = OnceLock::new();
 
-impl AnyWeakProtoClient {
-    pub fn upgrade(&self) -> Option<AnyProtoClient> {
-        self.0.upgrade().map(AnyProtoClient)
-    }
+struct State {
+    client: Arc<dyn ProtoClient>,
+    next_lsp_request_id: Arc<AtomicU64>,
+    request_ids: RequestIds,
 }
 
 pub trait ProtoClient: Send + Sync {
@@ -37,11 +50,11 @@ pub trait ProtoClient: Send + Sync {
         &self,
         envelope: Envelope,
         request_type: &'static str,
-    ) -> BoxFuture<'static, anyhow::Result<Envelope>>;
+    ) -> BoxFuture<'static, Result<Envelope>>;
 
-    fn send(&self, envelope: Envelope, message_type: &'static str) -> anyhow::Result<()>;
+    fn send(&self, envelope: Envelope, message_type: &'static str) -> Result<()>;
 
-    fn send_response(&self, envelope: Envelope, message_type: &'static str) -> anyhow::Result<()>;
+    fn send_response(&self, envelope: Envelope, message_type: &'static str) -> Result<()>;
 
     fn message_handler_set(&self) -> &parking_lot::Mutex<ProtoMessageHandlerSet>;
 
@@ -65,7 +78,7 @@ pub type ProtoMessageHandler = Arc<
             Box<dyn AnyTypedEnvelope>,
             AnyProtoClient,
             AsyncApp,
-        ) -> LocalBoxFuture<'static, anyhow::Result<()>>,
+        ) -> LocalBoxFuture<'static, Result<()>>,
 >;
 
 impl ProtoMessageHandlerSet {
@@ -113,7 +126,7 @@ impl ProtoMessageHandlerSet {
         message: Box<dyn AnyTypedEnvelope>,
         client: AnyProtoClient,
         cx: AsyncApp,
-    ) -> Option<LocalBoxFuture<'static, anyhow::Result<()>>> {
+    ) -> Option<LocalBoxFuture<'static, Result<()>>> {
         let payload_type_id = message.payload_type_id();
         let mut this = this.lock();
         let handler = this.message_handlers.get(&payload_type_id)?.clone();
@@ -169,43 +182,195 @@ where
     T: ProtoClient + 'static,
 {
     fn from(client: Arc<T>) -> Self {
-        Self(client)
+        Self::new(client)
     }
 }
 
 impl AnyProtoClient {
     pub fn new<T: ProtoClient + 'static>(client: Arc<T>) -> Self {
-        Self(client)
+        Self(Arc::new(State {
+            client,
+            next_lsp_request_id: NEXT_LSP_REQUEST_ID
+                .get_or_init(|| Arc::new(AtomicU64::new(0)))
+                .clone(),
+            request_ids: REQUEST_IDS.get_or_init(RequestIds::default).clone(),
+        }))
     }
 
     pub fn is_via_collab(&self) -> bool {
-        self.0.is_via_collab()
+        self.0.client.is_via_collab()
     }
 
     pub fn request<T: RequestMessage>(
         &self,
         request: T,
-    ) -> impl Future<Output = anyhow::Result<T::Response>> + use<T> {
+    ) -> impl Future<Output = Result<T::Response>> + use<T> {
         let envelope = request.into_envelope(0, None, None);
-        let response = self.0.request(envelope, T::NAME);
+        let response = self.0.client.request(envelope, T::NAME);
         async move {
             T::Response::from_envelope(response.await?)
                 .context("received response of the wrong type")
         }
     }
 
-    pub fn send<T: EnvelopedMessage>(&self, request: T) -> anyhow::Result<()> {
+    pub fn send<T: EnvelopedMessage>(&self, request: T) -> Result<()> {
         let envelope = request.into_envelope(0, None, None);
-        self.0.send(envelope, T::NAME)
+        self.0.client.send(envelope, T::NAME)
     }
 
-    pub fn send_response<T: EnvelopedMessage>(
-        &self,
-        request_id: u32,
-        request: T,
-    ) -> anyhow::Result<()> {
+    pub fn send_response<T: EnvelopedMessage>(&self, request_id: u32, request: T) -> Result<()> {
         let envelope = request.into_envelope(0, Some(request_id), None);
-        self.0.send(envelope, T::NAME)
+        self.0.client.send(envelope, T::NAME)
+    }
+
+    pub fn request_lsp<T>(
+        &self,
+        project_id: u64,
+        timeout: Duration,
+        executor: BackgroundExecutor,
+        request: T,
+    ) -> impl Future<
+        Output = Result<Option<TypedEnvelope<Vec<proto::ProtoLspResponse<T::Response>>>>>,
+    > + use<T>
+    where
+        T: LspRequestMessage,
+    {
+        let new_id = LspRequestId(
+            self.0
+                .next_lsp_request_id
+                .fetch_add(1, atomic::Ordering::Acquire),
+        );
+        let (tx, rx) = oneshot::channel();
+        {
+            self.0.request_ids.lock().insert(new_id, tx);
+        }
+
+        let query = proto::LspQuery {
+            project_id,
+            lsp_request_id: new_id.0,
+            request: Some(request.to_proto_query()),
+        };
+        let request = self.request(query);
+        let request_ids = self.0.request_ids.clone();
+        async move {
+            match request.await {
+                Ok(_request_enqueued) => {}
+                Err(e) => {
+                    request_ids.lock().remove(&new_id);
+                    return Err(e).context("sending LSP proto request");
+                }
+            }
+
+            let response = rx.with_timeout(timeout, &executor).await;
+            {
+                request_ids.lock().remove(&new_id);
+            }
+            match response {
+                Ok(Ok(response)) => {
+                    let response = response
+                        .context("waiting for LSP proto response")?
+                        .map(|response| {
+                            anyhow::Ok(TypedEnvelope {
+                                payload: response
+                                    .payload
+                                    .into_iter()
+                                    .map(|lsp_response| lsp_response.into_response::<T>())
+                                    .collect::<Result<Vec<_>>>()?,
+                                sender_id: response.sender_id,
+                                original_sender_id: response.original_sender_id,
+                                message_id: response.message_id,
+                                received_at: response.received_at,
+                            })
+                        })
+                        .transpose()
+                        .context("converting LSP proto response")?;
+                    Ok(response)
+                }
+                Err(_cancelled_due_timeout) => Ok(None),
+                Ok(Err(_channel_dropped)) => Ok(None),
+            }
+        }
+    }
+
+    pub fn send_lsp_response<T: LspRequestMessage>(
+        &self,
+        project_id: u64,
+        lsp_request_id: LspRequestId,
+        server_responses: HashMap<u64, T::Response>,
+    ) -> Result<()> {
+        self.send(proto::LspQueryResponse {
+            project_id,
+            lsp_request_id: lsp_request_id.0,
+            responses: server_responses
+                .into_iter()
+                .map(|(server_id, response)| proto::LspResponse {
+                    server_id,
+                    response: Some(T::response_to_proto_query(response)),
+                })
+                .collect(),
+        })
+    }
+
+    pub fn handle_lsp_response(&self, mut envelope: TypedEnvelope<proto::LspQueryResponse>) {
+        let request_id = LspRequestId(envelope.payload.lsp_request_id);
+        let mut response_senders = self.0.request_ids.lock();
+        if let Some(tx) = response_senders.remove(&request_id) {
+            let responses = envelope.payload.responses.drain(..).collect::<Vec<_>>();
+            tx.send(Ok(Some(proto::TypedEnvelope {
+                sender_id: envelope.sender_id,
+                original_sender_id: envelope.original_sender_id,
+                message_id: envelope.message_id,
+                received_at: envelope.received_at,
+                payload: responses
+                    .into_iter()
+                    .filter_map(|response| {
+                        use proto::lsp_response::Response;
+
+                        let server_id = response.server_id;
+                        let response = match response.response? {
+                            Response::GetReferencesResponse(response) => {
+                                to_any_envelope(&envelope, response)
+                            }
+                            Response::GetDocumentColorResponse(response) => {
+                                to_any_envelope(&envelope, response)
+                            }
+                            Response::GetHoverResponse(response) => {
+                                to_any_envelope(&envelope, response)
+                            }
+                            Response::GetCodeActionsResponse(response) => {
+                                to_any_envelope(&envelope, response)
+                            }
+                            Response::GetSignatureHelpResponse(response) => {
+                                to_any_envelope(&envelope, response)
+                            }
+                            Response::GetCodeLensResponse(response) => {
+                                to_any_envelope(&envelope, response)
+                            }
+                            Response::GetDocumentDiagnosticsResponse(response) => {
+                                to_any_envelope(&envelope, response)
+                            }
+                            Response::GetDefinitionResponse(response) => {
+                                to_any_envelope(&envelope, response)
+                            }
+                            Response::GetDeclarationResponse(response) => {
+                                to_any_envelope(&envelope, response)
+                            }
+                            Response::GetTypeDefinitionResponse(response) => {
+                                to_any_envelope(&envelope, response)
+                            }
+                            Response::GetImplementationResponse(response) => {
+                                to_any_envelope(&envelope, response)
+                            }
+                        };
+                        Some(proto::ProtoLspResponse {
+                            server_id,
+                            response,
+                        })
+                    })
+                    .collect(),
+            })))
+            .ok();
+        }
     }
 
     pub fn add_request_handler<M, E, H, F>(&self, entity: gpui::WeakEntity<E>, handler: H)
@@ -213,31 +378,35 @@ impl AnyProtoClient {
         M: RequestMessage,
         E: 'static,
         H: 'static + Sync + Fn(Entity<E>, TypedEnvelope<M>, AsyncApp) -> F + Send + Sync,
-        F: 'static + Future<Output = anyhow::Result<M::Response>>,
+        F: 'static + Future<Output = Result<M::Response>>,
     {
-        self.0.message_handler_set().lock().add_message_handler(
-            TypeId::of::<M>(),
-            entity.into(),
-            Arc::new(move |entity, envelope, client, cx| {
-                let entity = entity.downcast::<E>().unwrap();
-                let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
-                let request_id = envelope.message_id();
-                handler(entity, *envelope, cx)
-                    .then(move |result| async move {
-                        match result {
-                            Ok(response) => {
-                                client.send_response(request_id, response)?;
-                                Ok(())
+        self.0
+            .client
+            .message_handler_set()
+            .lock()
+            .add_message_handler(
+                TypeId::of::<M>(),
+                entity.into(),
+                Arc::new(move |entity, envelope, client, cx| {
+                    let entity = entity.downcast::<E>().unwrap();
+                    let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
+                    let request_id = envelope.message_id();
+                    handler(entity, *envelope, cx)
+                        .then(move |result| async move {
+                            match result {
+                                Ok(response) => {
+                                    client.send_response(request_id, response)?;
+                                    Ok(())
+                                }
+                                Err(error) => {
+                                    client.send_response(request_id, error.to_proto())?;
+                                    Err(error)
+                                }
                             }
-                            Err(error) => {
-                                client.send_response(request_id, error.to_proto())?;
-                                Err(error)
-                            }
-                        }
-                    })
-                    .boxed_local()
-            }),
-        )
+                        })
+                        .boxed_local()
+                }),
+            )
     }
 
     pub fn add_entity_request_handler<M, E, H, F>(&self, handler: H)
@@ -245,7 +414,7 @@ impl AnyProtoClient {
         M: EnvelopedMessage + RequestMessage + EntityMessage,
         E: 'static,
         H: 'static + Sync + Send + Fn(gpui::Entity<E>, TypedEnvelope<M>, AsyncApp) -> F,
-        F: 'static + Future<Output = anyhow::Result<M::Response>>,
+        F: 'static + Future<Output = Result<M::Response>>,
     {
         let message_type_id = TypeId::of::<M>();
         let entity_type_id = TypeId::of::<E>();
@@ -257,6 +426,7 @@ impl AnyProtoClient {
                 .remote_entity_id()
         };
         self.0
+            .client
             .message_handler_set()
             .lock()
             .add_entity_message_handler(
@@ -290,7 +460,7 @@ impl AnyProtoClient {
         M: EnvelopedMessage + EntityMessage,
         E: 'static,
         H: 'static + Sync + Send + Fn(gpui::Entity<E>, TypedEnvelope<M>, AsyncApp) -> F,
-        F: 'static + Future<Output = anyhow::Result<()>>,
+        F: 'static + Future<Output = Result<()>>,
     {
         let message_type_id = TypeId::of::<M>();
         let entity_type_id = TypeId::of::<E>();
@@ -302,6 +472,7 @@ impl AnyProtoClient {
                 .remote_entity_id()
         };
         self.0
+            .client
             .message_handler_set()
             .lock()
             .add_entity_message_handler(
@@ -315,4 +486,36 @@ impl AnyProtoClient {
                 }),
             );
     }
+
+    pub fn subscribe_to_entity<E: 'static>(&self, remote_id: u64, entity: &Entity<E>) {
+        let id = (TypeId::of::<E>(), remote_id);
+
+        let mut message_handlers = self.0.client.message_handler_set().lock();
+        if message_handlers
+            .entities_by_type_and_remote_id
+            .contains_key(&id)
+        {
+            panic!("already subscribed to entity");
+        }
+
+        message_handlers.entities_by_type_and_remote_id.insert(
+            id,
+            EntityMessageSubscriber::Entity {
+                handle: entity.downgrade().into(),
+            },
+        );
+    }
+}
+
+fn to_any_envelope<T: EnvelopedMessage>(
+    envelope: &TypedEnvelope<proto::LspQueryResponse>,
+    response: T,
+) -> Box<dyn AnyTypedEnvelope> {
+    Box::new(proto::TypedEnvelope {
+        sender_id: envelope.sender_id,
+        original_sender_id: envelope.original_sender_id,
+        message_id: envelope.message_id,
+        received_at: envelope.received_at,
+        payload: response,
+    }) as Box<_>
 }
diff --git a/crates/rules_library/src/rules_library.rs b/crates/rules_library/src/rules_library.rs
index be6a69c23b..5ad3996e78 100644
--- a/crates/rules_library/src/rules_library.rs
+++ b/crates/rules_library/src/rules_library.rs
@@ -49,7 +49,7 @@ actions!(
     ]
 );
 
-const BUILT_IN_TOOLTIP_TEXT: &'static str = concat!(
+const BUILT_IN_TOOLTIP_TEXT: &str = concat!(
     "This rule supports special functionality.\n",
     "It's read-only, but you can remove it from your default rules."
 );
@@ -319,7 +319,7 @@ impl PickerDelegate for RulePickerDelegate {
                             })
                             .into_any()
                     } else {
-                        IconButton::new("delete-rule", IconName::TrashAlt)
+                        IconButton::new("delete-rule", IconName::Trash)
                             .icon_color(Color::Muted)
                             .icon_size(IconSize::Small)
                             .shape(IconButtonShape::Square)
@@ -418,7 +418,7 @@ impl RulesLibrary {
             } else {
                 None
             },
-            store: store.clone(),
+            store,
             language_registry,
             rule_editors: HashMap::default(),
             active_rule_id: None,
@@ -456,11 +456,11 @@ impl RulesLibrary {
     pub fn new_rule(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         // If we already have an untitled rule, use that instead
         // of creating a new one.
-        if let Some(metadata) = self.store.read(cx).first() {
-            if metadata.title.is_none() {
-                self.load_rule(metadata.id, true, window, cx);
-                return;
-            }
+        if let Some(metadata) = self.store.read(cx).first()
+            && metadata.title.is_none()
+        {
+            self.load_rule(metadata.id, true, window, cx);
+            return;
         }
 
         let prompt_id = PromptId::new();
@@ -703,18 +703,14 @@ impl RulesLibrary {
                     .delegate
                     .matches
                     .get(picker.delegate.selected_index())
-                    .map_or(true, |old_selected_prompt| {
-                        old_selected_prompt.id != prompt_id
-                    })
-                {
-                    if let Some(ix) = picker
+                    .is_none_or(|old_selected_prompt| old_selected_prompt.id != prompt_id)
+                    && let Some(ix) = picker
                         .delegate
                         .matches
                         .iter()
                         .position(|mat| mat.id == prompt_id)
-                    {
-                        picker.set_selected_index(ix, None, true, window, cx);
-                    }
+                {
+                    picker.set_selected_index(ix, None, true, window, cx);
                 }
             } else {
                 picker.focus(window, cx);
@@ -869,10 +865,10 @@ impl RulesLibrary {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(rule_id) = self.active_rule_id {
-            if let Some(rule_editor) = self.rule_editors.get(&rule_id) {
-                window.focus(&rule_editor.body_editor.focus_handle(cx));
-            }
+        if let Some(rule_id) = self.active_rule_id
+            && let Some(rule_editor) = self.rule_editors.get(&rule_id)
+        {
+            window.focus(&rule_editor.body_editor.focus_handle(cx));
         }
     }
 
@@ -882,10 +878,10 @@ impl RulesLibrary {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(rule_id) = self.active_rule_id {
-            if let Some(rule_editor) = self.rule_editors.get(&rule_id) {
-                window.focus(&rule_editor.title_editor.focus_handle(cx));
-            }
+        if let Some(rule_id) = self.active_rule_id
+            && let Some(rule_editor) = self.rule_editors.get(&rule_id)
+        {
+            window.focus(&rule_editor.title_editor.focus_handle(cx));
         }
     }
 
@@ -1101,7 +1097,7 @@ impl RulesLibrary {
                                                 inlay_hints_style: editor::make_inlay_hints_style(
                                                     cx,
                                                 ),
-                                                inline_completion_styles:
+                                                edit_prediction_styles:
                                                     editor::make_suggestion_styles(cx),
                                                 ..EditorStyle::default()
                                             },
@@ -1140,7 +1136,7 @@ impl RulesLibrary {
                                                 .child(
                                                     Label::new(format!(
                                                         "{} tokens",
-                                                        label_token_count.clone()
+                                                        label_token_count
                                                     ))
                                                     .color(Color::Muted),
                                                 )
@@ -1163,7 +1159,7 @@ impl RulesLibrary {
                                                 })
                                                 .into_any()
                                         } else {
-                                            IconButton::new("delete-rule", IconName::TrashAlt)
+                                            IconButton::new("delete-rule", IconName::Trash)
                                                 .icon_size(IconSize::Small)
                                                 .tooltip(move |window, cx| {
                                                     Tooltip::for_action(
diff --git a/crates/search/src/buffer_search.rs b/crates/search/src/buffer_search.rs
index 5d77a95027..a38dc8c35b 100644
--- a/crates/search/src/buffer_search.rs
+++ b/crates/search/src/buffer_search.rs
@@ -1,22 +1,23 @@
 mod registrar;
 
 use crate::{
-    FocusSearch, NextHistoryQuery, PreviousHistoryQuery, ReplaceAll, ReplaceNext, SearchOptions,
-    SelectAllMatches, SelectNextMatch, SelectPreviousMatch, ToggleCaseSensitive, ToggleRegex,
-    ToggleReplace, ToggleSelection, ToggleWholeWord, search_bar::render_nav_button,
+    FocusSearch, NextHistoryQuery, PreviousHistoryQuery, ReplaceAll, ReplaceNext, SearchOption,
+    SearchOptions, SearchSource, SelectAllMatches, SelectNextMatch, SelectPreviousMatch,
+    ToggleCaseSensitive, ToggleRegex, ToggleReplace, ToggleSelection, ToggleWholeWord,
+    search_bar::{ActionButtonState, input_base_styles, render_action_button, render_text_input},
 };
 use any_vec::AnyVec;
 use anyhow::Context as _;
 use collections::HashMap;
 use editor::{
-    DisplayPoint, Editor, EditorElement, EditorSettings, EditorStyle,
+    DisplayPoint, Editor, EditorSettings,
     actions::{Backtab, Tab},
 };
 use futures::channel::oneshot;
 use gpui::{
-    Action, App, ClickEvent, Context, Entity, EventEmitter, FocusHandle, Focusable,
-    InteractiveElement as _, IntoElement, KeyContext, ParentElement as _, Render, ScrollHandle,
-    Styled, Subscription, Task, TextStyle, Window, actions, div,
+    Action, App, ClickEvent, Context, Entity, EventEmitter, Focusable, InteractiveElement as _,
+    IntoElement, KeyContext, ParentElement as _, Render, ScrollHandle, Styled, Subscription, Task,
+    Window, actions, div,
 };
 use language::{Language, LanguageRegistry};
 use project::{
@@ -27,7 +28,6 @@ use schemars::JsonSchema;
 use serde::Deserialize;
 use settings::Settings;
 use std::sync::Arc;
-use theme::ThemeSettings;
 use zed_actions::outline::ToggleOutline;
 
 use ui::{
@@ -125,46 +125,6 @@ pub struct BufferSearchBar {
 }
 
 impl BufferSearchBar {
-    fn render_text_input(
-        &self,
-        editor: &Entity<Editor>,
-        color_override: Option<Color>,
-        cx: &mut Context<Self>,
-    ) -> impl IntoElement {
-        let (color, use_syntax) = if editor.read(cx).read_only(cx) {
-            (cx.theme().colors().text_disabled, false)
-        } else {
-            match color_override {
-                Some(color_override) => (color_override.color(cx), false),
-                None => (cx.theme().colors().text, true),
-            }
-        };
-
-        let settings = ThemeSettings::get_global(cx);
-        let text_style = TextStyle {
-            color,
-            font_family: settings.buffer_font.family.clone(),
-            font_features: settings.buffer_font.features.clone(),
-            font_fallbacks: settings.buffer_font.fallbacks.clone(),
-            font_size: rems(0.875).into(),
-            font_weight: settings.buffer_font.weight,
-            line_height: relative(1.3),
-            ..TextStyle::default()
-        };
-
-        let mut editor_style = EditorStyle {
-            background: cx.theme().colors().toolbar_background,
-            local_player: cx.theme().players().local(),
-            text: text_style,
-            ..EditorStyle::default()
-        };
-        if use_syntax {
-            editor_style.syntax = cx.theme().syntax().clone();
-        }
-
-        EditorElement::new(editor, editor_style)
-    }
-
     pub fn query_editor_focused(&self) -> bool {
         self.query_editor_focused
     }
@@ -185,7 +145,14 @@ impl Render for BufferSearchBar {
         let hide_inline_icons = self.editor_needed_width
             > self.editor_scroll_handle.bounds().size.width - window.rem_size() * 6.;
 
-        let supported_options = self.supported_options(cx);
+        let workspace::searchable::SearchOptions {
+            case,
+            word,
+            regex,
+            replacement,
+            selection,
+            find_in_results,
+        } = self.supported_options(cx);
 
         if self.query_editor.update(cx, |query_editor, _cx| {
             query_editor.placeholder_text().is_none()
@@ -220,268 +187,203 @@ impl Render for BufferSearchBar {
                 }
             })
             .unwrap_or_else(|| "0/0".to_string());
-        let should_show_replace_input = self.replace_enabled && supported_options.replacement;
+        let should_show_replace_input = self.replace_enabled && replacement;
         let in_replace = self.replacement_editor.focus_handle(cx).is_focused(window);
 
+        let theme_colors = cx.theme().colors();
+        let query_border = if self.query_error.is_some() {
+            Color::Error.color(cx)
+        } else {
+            theme_colors.border
+        };
+        let replacement_border = theme_colors.border;
+
+        let container_width = window.viewport_size().width;
+        let input_width = SearchInputWidth::calc_width(container_width);
+
+        let input_base_styles =
+            |border_color| input_base_styles(border_color, |div| div.w(input_width));
+
+        let query_column = input_base_styles(query_border)
+            .id("editor-scroll")
+            .track_scroll(&self.editor_scroll_handle)
+            .child(render_text_input(&self.query_editor, color_override, cx))
+            .when(!hide_inline_icons, |div| {
+                div.child(
+                    h_flex()
+                        .gap_1()
+                        .when(case, |div| {
+                            div.child(SearchOption::CaseSensitive.as_button(
+                                self.search_options,
+                                SearchSource::Buffer,
+                                focus_handle.clone(),
+                            ))
+                        })
+                        .when(word, |div| {
+                            div.child(SearchOption::WholeWord.as_button(
+                                self.search_options,
+                                SearchSource::Buffer,
+                                focus_handle.clone(),
+                            ))
+                        })
+                        .when(regex, |div| {
+                            div.child(SearchOption::Regex.as_button(
+                                self.search_options,
+                                SearchSource::Buffer,
+                                focus_handle.clone(),
+                            ))
+                        }),
+                )
+            });
+
+        let mode_column = h_flex()
+            .gap_1()
+            .min_w_64()
+            .when(replacement, |this| {
+                this.child(render_action_button(
+                    "buffer-search-bar-toggle",
+                    IconName::Replace,
+                    self.replace_enabled.then_some(ActionButtonState::Toggled),
+                    "Toggle Replace",
+                    &ToggleReplace,
+                    focus_handle.clone(),
+                ))
+            })
+            .when(selection, |this| {
+                this.child(
+                    IconButton::new(
+                        "buffer-search-bar-toggle-search-selection-button",
+                        IconName::Quote,
+                    )
+                    .style(ButtonStyle::Subtle)
+                    .shape(IconButtonShape::Square)
+                    .when(self.selection_search_enabled, |button| {
+                        button.style(ButtonStyle::Filled)
+                    })
+                    .on_click(cx.listener(|this, _: &ClickEvent, window, cx| {
+                        this.toggle_selection(&ToggleSelection, window, cx);
+                    }))
+                    .toggle_state(self.selection_search_enabled)
+                    .tooltip({
+                        let focus_handle = focus_handle.clone();
+                        move |window, cx| {
+                            Tooltip::for_action_in(
+                                "Toggle Search Selection",
+                                &ToggleSelection,
+                                &focus_handle,
+                                window,
+                                cx,
+                            )
+                        }
+                    }),
+                )
+            })
+            .when(!find_in_results, |el| {
+                let query_focus = self.query_editor.focus_handle(cx);
+                let matches_column = h_flex()
+                    .pl_2()
+                    .ml_2()
+                    .border_l_1()
+                    .border_color(theme_colors.border_variant)
+                    .child(render_action_button(
+                        "buffer-search-nav-button",
+                        ui::IconName::ChevronLeft,
+                        self.active_match_index
+                            .is_none()
+                            .then_some(ActionButtonState::Disabled),
+                        "Select Previous Match",
+                        &SelectPreviousMatch,
+                        query_focus.clone(),
+                    ))
+                    .child(render_action_button(
+                        "buffer-search-nav-button",
+                        ui::IconName::ChevronRight,
+                        self.active_match_index
+                            .is_none()
+                            .then_some(ActionButtonState::Disabled),
+                        "Select Next Match",
+                        &SelectNextMatch,
+                        query_focus.clone(),
+                    ))
+                    .when(!narrow_mode, |this| {
+                        this.child(div().ml_2().min_w(rems_from_px(40.)).child(
+                            Label::new(match_text).size(LabelSize::Small).color(
+                                if self.active_match_index.is_some() {
+                                    Color::Default
+                                } else {
+                                    Color::Disabled
+                                },
+                            ),
+                        ))
+                    });
+
+                el.child(render_action_button(
+                    "buffer-search-nav-button",
+                    IconName::SelectAll,
+                    Default::default(),
+                    "Select All Matches",
+                    &SelectAllMatches,
+                    query_focus,
+                ))
+                .child(matches_column)
+            })
+            .when(find_in_results, |el| {
+                el.child(render_action_button(
+                    "buffer-search",
+                    IconName::Close,
+                    Default::default(),
+                    "Close Search Bar",
+                    &Dismiss,
+                    focus_handle.clone(),
+                ))
+            });
+
+        let search_line = h_flex()
+            .w_full()
+            .gap_2()
+            .when(find_in_results, |el| {
+                el.child(Label::new("Find in results").color(Color::Hint))
+            })
+            .child(query_column)
+            .child(mode_column);
+
+        let replace_line =
+            should_show_replace_input.then(|| {
+                let replace_column = input_base_styles(replacement_border)
+                    .child(render_text_input(&self.replacement_editor, None, cx));
+                let focus_handle = self.replacement_editor.read(cx).focus_handle(cx);
+
+                let replace_actions = h_flex()
+                    .min_w_64()
+                    .gap_1()
+                    .child(render_action_button(
+                        "buffer-search-replace-button",
+                        IconName::ReplaceNext,
+                        Default::default(),
+                        "Replace Next Match",
+                        &ReplaceNext,
+                        focus_handle.clone(),
+                    ))
+                    .child(render_action_button(
+                        "buffer-search-replace-button",
+                        IconName::ReplaceAll,
+                        Default::default(),
+                        "Replace All Matches",
+                        &ReplaceAll,
+                        focus_handle,
+                    ));
+                h_flex()
+                    .w_full()
+                    .gap_2()
+                    .child(replace_column)
+                    .child(replace_actions)
+            });
+
         let mut key_context = KeyContext::new_with_defaults();
         key_context.add("BufferSearchBar");
         if in_replace {
             key_context.add("in_replace");
         }
-        let query_border = if self.query_error.is_some() {
-            Color::Error.color(cx)
-        } else {
-            cx.theme().colors().border
-        };
-        let replacement_border = cx.theme().colors().border;
-
-        let container_width = window.viewport_size().width;
-        let input_width = SearchInputWidth::calc_width(container_width);
-
-        let input_base_styles = |border_color| {
-            h_flex()
-                .min_w_32()
-                .w(input_width)
-                .h_8()
-                .pl_2()
-                .pr_1()
-                .py_1()
-                .border_1()
-                .border_color(border_color)
-                .rounded_lg()
-        };
-
-        let search_line = h_flex()
-            .gap_2()
-            .when(supported_options.find_in_results, |el| {
-                el.child(Label::new("Find in results").color(Color::Hint))
-            })
-            .child(
-                input_base_styles(query_border)
-                    .id("editor-scroll")
-                    .track_scroll(&self.editor_scroll_handle)
-                    .child(self.render_text_input(&self.query_editor, color_override, cx))
-                    .when(!hide_inline_icons, |div| {
-                        div.child(
-                            h_flex()
-                                .gap_1()
-                                .children(supported_options.case.then(|| {
-                                    self.render_search_option_button(
-                                        SearchOptions::CASE_SENSITIVE,
-                                        focus_handle.clone(),
-                                        cx.listener(|this, _, window, cx| {
-                                            this.toggle_case_sensitive(
-                                                &ToggleCaseSensitive,
-                                                window,
-                                                cx,
-                                            )
-                                        }),
-                                    )
-                                }))
-                                .children(supported_options.word.then(|| {
-                                    self.render_search_option_button(
-                                        SearchOptions::WHOLE_WORD,
-                                        focus_handle.clone(),
-                                        cx.listener(|this, _, window, cx| {
-                                            this.toggle_whole_word(&ToggleWholeWord, window, cx)
-                                        }),
-                                    )
-                                }))
-                                .children(supported_options.regex.then(|| {
-                                    self.render_search_option_button(
-                                        SearchOptions::REGEX,
-                                        focus_handle.clone(),
-                                        cx.listener(|this, _, window, cx| {
-                                            this.toggle_regex(&ToggleRegex, window, cx)
-                                        }),
-                                    )
-                                })),
-                        )
-                    }),
-            )
-            .child(
-                h_flex()
-                    .gap_1()
-                    .min_w_64()
-                    .when(supported_options.replacement, |this| {
-                        this.child(
-                            IconButton::new(
-                                "buffer-search-bar-toggle-replace-button",
-                                IconName::Replace,
-                            )
-                            .style(ButtonStyle::Subtle)
-                            .shape(IconButtonShape::Square)
-                            .when(self.replace_enabled, |button| {
-                                button.style(ButtonStyle::Filled)
-                            })
-                            .on_click(cx.listener(|this, _: &ClickEvent, window, cx| {
-                                this.toggle_replace(&ToggleReplace, window, cx);
-                            }))
-                            .toggle_state(self.replace_enabled)
-                            .tooltip({
-                                let focus_handle = focus_handle.clone();
-                                move |window, cx| {
-                                    Tooltip::for_action_in(
-                                        "Toggle Replace",
-                                        &ToggleReplace,
-                                        &focus_handle,
-                                        window,
-                                        cx,
-                                    )
-                                }
-                            }),
-                        )
-                    })
-                    .when(supported_options.selection, |this| {
-                        this.child(
-                            IconButton::new(
-                                "buffer-search-bar-toggle-search-selection-button",
-                                IconName::SearchSelection,
-                            )
-                            .style(ButtonStyle::Subtle)
-                            .shape(IconButtonShape::Square)
-                            .when(self.selection_search_enabled, |button| {
-                                button.style(ButtonStyle::Filled)
-                            })
-                            .on_click(cx.listener(|this, _: &ClickEvent, window, cx| {
-                                this.toggle_selection(&ToggleSelection, window, cx);
-                            }))
-                            .toggle_state(self.selection_search_enabled)
-                            .tooltip({
-                                let focus_handle = focus_handle.clone();
-                                move |window, cx| {
-                                    Tooltip::for_action_in(
-                                        "Toggle Search Selection",
-                                        &ToggleSelection,
-                                        &focus_handle,
-                                        window,
-                                        cx,
-                                    )
-                                }
-                            }),
-                        )
-                    })
-                    .when(!supported_options.find_in_results, |el| {
-                        el.child(
-                            IconButton::new("select-all", ui::IconName::SelectAll)
-                                .on_click(|_, window, cx| {
-                                    window.dispatch_action(SelectAllMatches.boxed_clone(), cx)
-                                })
-                                .shape(IconButtonShape::Square)
-                                .tooltip({
-                                    let focus_handle = focus_handle.clone();
-                                    move |window, cx| {
-                                        Tooltip::for_action_in(
-                                            "Select All Matches",
-                                            &SelectAllMatches,
-                                            &focus_handle,
-                                            window,
-                                            cx,
-                                        )
-                                    }
-                                }),
-                        )
-                        .child(
-                            h_flex()
-                                .pl_2()
-                                .ml_1()
-                                .border_l_1()
-                                .border_color(cx.theme().colors().border_variant)
-                                .child(render_nav_button(
-                                    ui::IconName::ChevronLeft,
-                                    self.active_match_index.is_some(),
-                                    "Select Previous Match",
-                                    &SelectPreviousMatch,
-                                    focus_handle.clone(),
-                                ))
-                                .child(render_nav_button(
-                                    ui::IconName::ChevronRight,
-                                    self.active_match_index.is_some(),
-                                    "Select Next Match",
-                                    &SelectNextMatch,
-                                    focus_handle.clone(),
-                                )),
-                        )
-                        .when(!narrow_mode, |this| {
-                            this.child(h_flex().ml_2().min_w(rems_from_px(40.)).child(
-                                Label::new(match_text).size(LabelSize::Small).color(
-                                    if self.active_match_index.is_some() {
-                                        Color::Default
-                                    } else {
-                                        Color::Disabled
-                                    },
-                                ),
-                            ))
-                        })
-                    })
-                    .when(supported_options.find_in_results, |el| {
-                        el.child(
-                            IconButton::new(SharedString::from("Close"), IconName::Close)
-                                .shape(IconButtonShape::Square)
-                                .tooltip(move |window, cx| {
-                                    Tooltip::for_action("Close Search Bar", &Dismiss, window, cx)
-                                })
-                                .on_click(cx.listener(|this, _: &ClickEvent, window, cx| {
-                                    this.dismiss(&Dismiss, window, cx)
-                                })),
-                        )
-                    }),
-            );
-
-        let replace_line = should_show_replace_input.then(|| {
-            h_flex()
-                .gap_2()
-                .child(
-                    input_base_styles(replacement_border).child(self.render_text_input(
-                        &self.replacement_editor,
-                        None,
-                        cx,
-                    )),
-                )
-                .child(
-                    h_flex()
-                        .min_w_64()
-                        .gap_1()
-                        .child(
-                            IconButton::new("search-replace-next", ui::IconName::ReplaceNext)
-                                .shape(IconButtonShape::Square)
-                                .tooltip({
-                                    let focus_handle = focus_handle.clone();
-                                    move |window, cx| {
-                                        Tooltip::for_action_in(
-                                            "Replace Next Match",
-                                            &ReplaceNext,
-                                            &focus_handle,
-                                            window,
-                                            cx,
-                                        )
-                                    }
-                                })
-                                .on_click(cx.listener(|this, _, window, cx| {
-                                    this.replace_next(&ReplaceNext, window, cx)
-                                })),
-                        )
-                        .child(
-                            IconButton::new("search-replace-all", ui::IconName::ReplaceAll)
-                                .shape(IconButtonShape::Square)
-                                .tooltip({
-                                    let focus_handle = focus_handle.clone();
-                                    move |window, cx| {
-                                        Tooltip::for_action_in(
-                                            "Replace All Matches",
-                                            &ReplaceAll,
-                                            &focus_handle,
-                                            window,
-                                            cx,
-                                        )
-                                    }
-                                })
-                                .on_click(cx.listener(|this, _, window, cx| {
-                                    this.replace_all(&ReplaceAll, window, cx)
-                                })),
-                        ),
-                )
-        });
 
         let query_error_line = self.query_error.as_ref().map(|error| {
             Label::new(error)
@@ -491,10 +393,26 @@ impl Render for BufferSearchBar {
                 .ml_2()
         });
 
+        let search_line =
+            h_flex()
+                .relative()
+                .child(search_line)
+                .when(!narrow_mode && !find_in_results, |div| {
+                    div.child(h_flex().absolute().right_0().child(render_action_button(
+                        "buffer-search",
+                        IconName::Close,
+                        Default::default(),
+                        "Close Search Bar",
+                        &Dismiss,
+                        focus_handle.clone(),
+                    )))
+                    .w_full()
+                });
         v_flex()
             .id("buffer_search")
             .gap_2()
             .py(px(1.0))
+            .w_full()
             .track_scroll(&self.scroll_handle)
             .key_context(key_context)
             .capture_action(cx.listener(Self::tab))
@@ -509,43 +427,26 @@ impl Render for BufferSearchBar {
                     active_searchable_item.relay_action(Box::new(ToggleOutline), window, cx);
                 }
             }))
-            .when(self.supported_options(cx).replacement, |this| {
+            .when(replacement, |this| {
                 this.on_action(cx.listener(Self::toggle_replace))
                     .when(in_replace, |this| {
                         this.on_action(cx.listener(Self::replace_next))
                             .on_action(cx.listener(Self::replace_all))
                     })
             })
-            .when(self.supported_options(cx).case, |this| {
+            .when(case, |this| {
                 this.on_action(cx.listener(Self::toggle_case_sensitive))
             })
-            .when(self.supported_options(cx).word, |this| {
+            .when(word, |this| {
                 this.on_action(cx.listener(Self::toggle_whole_word))
             })
-            .when(self.supported_options(cx).regex, |this| {
+            .when(regex, |this| {
                 this.on_action(cx.listener(Self::toggle_regex))
             })
-            .when(self.supported_options(cx).selection, |this| {
+            .when(selection, |this| {
                 this.on_action(cx.listener(Self::toggle_selection))
             })
-            .child(h_flex().relative().child(search_line.w_full()).when(
-                !narrow_mode && !supported_options.find_in_results,
-                |div| {
-                    div.child(
-                        h_flex().absolute().right_0().child(
-                            IconButton::new(SharedString::from("Close"), IconName::Close)
-                                .shape(IconButtonShape::Square)
-                                .tooltip(move |window, cx| {
-                                    Tooltip::for_action("Close Search Bar", &Dismiss, window, cx)
-                                })
-                                .on_click(cx.listener(|this, _: &ClickEvent, window, cx| {
-                                    this.dismiss(&Dismiss, window, cx)
-                                })),
-                        ),
-                    )
-                    .w_full()
-                },
-            ))
+            .child(search_line)
             .children(query_error_line)
             .children(replace_line)
     }
@@ -792,7 +693,7 @@ impl BufferSearchBar {
             active_editor.search_bar_visibility_changed(false, window, cx);
             active_editor.toggle_filtered_search_ranges(false, window, cx);
             let handle = active_editor.item_focus_handle(cx);
-            self.focus(&handle, window, cx);
+            self.focus(&handle, window);
         }
         cx.emit(Event::UpdateLocation);
         cx.emit(ToolbarItemEvent::ChangeLocation(
@@ -815,10 +716,10 @@ impl BufferSearchBar {
             self.replace_enabled = deploy.replace_enabled;
             self.selection_search_enabled = deploy.selection_search_enabled;
             if deploy.focus {
-                let mut handle = self.query_editor.focus_handle(cx).clone();
+                let mut handle = self.query_editor.focus_handle(cx);
                 let mut select_query = true;
                 if deploy.replace_enabled && handle.is_focused(window) {
-                    handle = self.replacement_editor.focus_handle(cx).clone();
+                    handle = self.replacement_editor.focus_handle(cx);
                     select_query = false;
                 };
 
@@ -893,15 +794,13 @@ impl BufferSearchBar {
     }
 
     pub fn activate_current_match(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        if let Some(match_ix) = self.active_match_index {
-            if let Some(active_searchable_item) = self.active_searchable_item.as_ref() {
-                if let Some(matches) = self
-                    .searchable_items_with_matches
-                    .get(&active_searchable_item.downgrade())
-                {
-                    active_searchable_item.activate_match(match_ix, matches, window, cx)
-                }
-            }
+        if let Some(match_ix) = self.active_match_index
+            && let Some(active_searchable_item) = self.active_searchable_item.as_ref()
+            && let Some(matches) = self
+                .searchable_items_with_matches
+                .get(&active_searchable_item.downgrade())
+        {
+            active_searchable_item.activate_match(match_ix, matches, window, cx)
         }
     }
 
@@ -948,7 +847,7 @@ impl BufferSearchBar {
     }
 
     pub fn focus_replace(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        self.focus(&self.replacement_editor.focus_handle(cx), window, cx);
+        self.focus(&self.replacement_editor.focus_handle(cx), window);
         cx.notify();
     }
 
@@ -975,16 +874,6 @@ impl BufferSearchBar {
         self.update_matches(!updated, window, cx)
     }
 
-    fn render_search_option_button<Action: Fn(&ClickEvent, &mut Window, &mut App) + 'static>(
-        &self,
-        option: SearchOptions,
-        focus_handle: FocusHandle,
-        action: Action,
-    ) -> impl IntoElement + use<Action> {
-        let is_active = self.search_options.contains(option);
-        option.as_button(is_active, focus_handle, action)
-    }
-
     pub fn focus_editor(&mut self, _: &FocusEditor, window: &mut Window, cx: &mut Context<Self>) {
         if let Some(active_editor) = self.active_searchable_item.as_ref() {
             let handle = active_editor.item_focus_handle(cx);
@@ -1060,16 +949,15 @@ impl BufferSearchBar {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if !self.dismissed && self.active_match_index.is_some() {
-            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
-                if let Some(matches) = self
-                    .searchable_items_with_matches
-                    .get(&searchable_item.downgrade())
-                {
-                    searchable_item.select_matches(matches, window, cx);
-                    self.focus_editor(&FocusEditor, window, cx);
-                }
-            }
+        if !self.dismissed
+            && self.active_match_index.is_some()
+            && let Some(searchable_item) = self.active_searchable_item.as_ref()
+            && let Some(matches) = self
+                .searchable_items_with_matches
+                .get(&searchable_item.downgrade())
+        {
+            searchable_item.select_matches(matches, window, cx);
+            self.focus_editor(&FocusEditor, window, cx);
         }
     }
 
@@ -1080,59 +968,55 @@ impl BufferSearchBar {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(index) = self.active_match_index {
-            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
-                if let Some(matches) = self
-                    .searchable_items_with_matches
-                    .get(&searchable_item.downgrade())
-                    .filter(|matches| !matches.is_empty())
-                {
-                    // If 'wrapscan' is disabled, searches do not wrap around the end of the file.
-                    if !EditorSettings::get_global(cx).search_wrap
-                        && ((direction == Direction::Next && index + count >= matches.len())
-                            || (direction == Direction::Prev && index < count))
-                    {
-                        crate::show_no_more_matches(window, cx);
-                        return;
-                    }
-                    let new_match_index = searchable_item
-                        .match_index_for_direction(matches, index, direction, count, window, cx);
-
-                    searchable_item.update_matches(matches, window, cx);
-                    searchable_item.activate_match(new_match_index, matches, window, cx);
-                }
+        if let Some(index) = self.active_match_index
+            && let Some(searchable_item) = self.active_searchable_item.as_ref()
+            && let Some(matches) = self
+                .searchable_items_with_matches
+                .get(&searchable_item.downgrade())
+                .filter(|matches| !matches.is_empty())
+        {
+            // If 'wrapscan' is disabled, searches do not wrap around the end of the file.
+            if !EditorSettings::get_global(cx).search_wrap
+                && ((direction == Direction::Next && index + count >= matches.len())
+                    || (direction == Direction::Prev && index < count))
+            {
+                crate::show_no_more_matches(window, cx);
+                return;
             }
+            let new_match_index = searchable_item
+                .match_index_for_direction(matches, index, direction, count, window, cx);
+
+            searchable_item.update_matches(matches, window, cx);
+            searchable_item.activate_match(new_match_index, matches, window, cx);
         }
     }
 
     pub fn select_first_match(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        if let Some(searchable_item) = self.active_searchable_item.as_ref() {
-            if let Some(matches) = self
+        if let Some(searchable_item) = self.active_searchable_item.as_ref()
+            && let Some(matches) = self
                 .searchable_items_with_matches
                 .get(&searchable_item.downgrade())
-            {
-                if matches.is_empty() {
-                    return;
-                }
-                searchable_item.update_matches(matches, window, cx);
-                searchable_item.activate_match(0, matches, window, cx);
+        {
+            if matches.is_empty() {
+                return;
             }
+            searchable_item.update_matches(matches, window, cx);
+            searchable_item.activate_match(0, matches, window, cx);
         }
     }
 
     pub fn select_last_match(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        if let Some(searchable_item) = self.active_searchable_item.as_ref() {
-            if let Some(matches) = self
+        if let Some(searchable_item) = self.active_searchable_item.as_ref()
+            && let Some(matches) = self
                 .searchable_items_with_matches
                 .get(&searchable_item.downgrade())
-            {
-                if matches.is_empty() {
-                    return;
-                }
-                let new_match_index = matches.len() - 1;
-                searchable_item.update_matches(matches, window, cx);
-                searchable_item.activate_match(new_match_index, matches, window, cx);
+        {
+            if matches.is_empty() {
+                return;
             }
+            let new_match_index = matches.len() - 1;
+            searchable_item.update_matches(matches, window, cx);
+            searchable_item.activate_match(new_match_index, matches, window, cx);
         }
     }
 
@@ -1400,28 +1284,32 @@ impl BufferSearchBar {
     }
 
     fn tab(&mut self, _: &Tab, window: &mut Window, cx: &mut Context<Self>) {
-        // Search -> Replace -> Editor
-        let focus_handle = if self.replace_enabled && self.query_editor_focused {
-            self.replacement_editor.focus_handle(cx)
-        } else if let Some(item) = self.active_searchable_item.as_ref() {
-            item.item_focus_handle(cx)
-        } else {
-            return;
-        };
-        self.focus(&focus_handle, window, cx);
-        cx.stop_propagation();
+        self.cycle_field(Direction::Next, window, cx);
     }
 
     fn backtab(&mut self, _: &Backtab, window: &mut Window, cx: &mut Context<Self>) {
-        // Search -> Replace -> Search
-        let focus_handle = if self.replace_enabled && self.query_editor_focused {
-            self.replacement_editor.focus_handle(cx)
-        } else if self.replacement_editor_focused {
-            self.query_editor.focus_handle(cx)
-        } else {
-            return;
+        self.cycle_field(Direction::Prev, window, cx);
+    }
+    fn cycle_field(&mut self, direction: Direction, window: &mut Window, cx: &mut Context<Self>) {
+        let mut handles = vec![self.query_editor.focus_handle(cx)];
+        if self.replace_enabled {
+            handles.push(self.replacement_editor.focus_handle(cx));
+        }
+        if let Some(item) = self.active_searchable_item.as_ref() {
+            handles.push(item.item_focus_handle(cx));
+        }
+        let current_index = match handles.iter().position(|focus| focus.is_focused(window)) {
+            Some(index) => index,
+            None => return,
         };
-        self.focus(&focus_handle, window, cx);
+
+        let new_index = match direction {
+            Direction::Next => (current_index + 1) % handles.len(),
+            Direction::Prev if current_index == 0 => handles.len() - 1,
+            Direction::Prev => (current_index - 1) % handles.len(),
+        };
+        let next_focus_handle = &handles[new_index];
+        self.focus(next_focus_handle, window);
         cx.stop_propagation();
     }
 
@@ -1449,15 +1337,14 @@ impl BufferSearchBar {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if self.query(cx).is_empty() {
-            if let Some(new_query) = self
+        if self.query(cx).is_empty()
+            && let Some(new_query) = self
                 .search_history
-                .current(&mut self.search_history_cursor)
+                .current(&self.search_history_cursor)
                 .map(str::to_string)
-            {
-                drop(self.search(&new_query, Some(self.search_options), window, cx));
-                return;
-            }
+        {
+            drop(self.search(&new_query, Some(self.search_options), window, cx));
+            return;
         }
 
         if let Some(new_query) = self
@@ -1469,10 +1356,8 @@ impl BufferSearchBar {
         }
     }
 
-    fn focus(&self, handle: &gpui::FocusHandle, window: &mut Window, cx: &mut Context<Self>) {
-        cx.on_next_frame(window, |_, window, _| {
-            window.invalidate_character_coordinates();
-        });
+    fn focus(&self, handle: &gpui::FocusHandle, window: &mut Window) {
+        window.invalidate_character_coordinates();
         window.focus(handle);
     }
 
@@ -1484,32 +1369,30 @@ impl BufferSearchBar {
             } else {
                 self.query_editor.focus_handle(cx)
             };
-            self.focus(&handle, window, cx);
+            self.focus(&handle, window);
             cx.notify();
         }
     }
 
     fn replace_next(&mut self, _: &ReplaceNext, window: &mut Window, cx: &mut Context<Self>) {
         let mut should_propagate = true;
-        if !self.dismissed && self.active_search.is_some() {
-            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
-                if let Some(query) = self.active_search.as_ref() {
-                    if let Some(matches) = self
-                        .searchable_items_with_matches
-                        .get(&searchable_item.downgrade())
-                    {
-                        if let Some(active_index) = self.active_match_index {
-                            let query = query
-                                .as_ref()
-                                .clone()
-                                .with_replacement(self.replacement(cx));
-                            searchable_item.replace(matches.at(active_index), &query, window, cx);
-                            self.select_next_match(&SelectNextMatch, window, cx);
-                        }
-                        should_propagate = false;
-                    }
-                }
+        if !self.dismissed
+            && self.active_search.is_some()
+            && let Some(searchable_item) = self.active_searchable_item.as_ref()
+            && let Some(query) = self.active_search.as_ref()
+            && let Some(matches) = self
+                .searchable_items_with_matches
+                .get(&searchable_item.downgrade())
+        {
+            if let Some(active_index) = self.active_match_index {
+                let query = query
+                    .as_ref()
+                    .clone()
+                    .with_replacement(self.replacement(cx));
+                searchable_item.replace(matches.at(active_index), &query, window, cx);
+                self.select_next_match(&SelectNextMatch, window, cx);
             }
+            should_propagate = false;
         }
         if !should_propagate {
             cx.stop_propagation();
@@ -1517,21 +1400,19 @@ impl BufferSearchBar {
     }
 
     pub fn replace_all(&mut self, _: &ReplaceAll, window: &mut Window, cx: &mut Context<Self>) {
-        if !self.dismissed && self.active_search.is_some() {
-            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
-                if let Some(query) = self.active_search.as_ref() {
-                    if let Some(matches) = self
-                        .searchable_items_with_matches
-                        .get(&searchable_item.downgrade())
-                    {
-                        let query = query
-                            .as_ref()
-                            .clone()
-                            .with_replacement(self.replacement(cx));
-                        searchable_item.replace_all(&mut matches.iter(), &query, window, cx);
-                    }
-                }
-            }
+        if !self.dismissed
+            && self.active_search.is_some()
+            && let Some(searchable_item) = self.active_searchable_item.as_ref()
+            && let Some(query) = self.active_search.as_ref()
+            && let Some(matches) = self
+                .searchable_items_with_matches
+                .get(&searchable_item.downgrade())
+        {
+            let query = query
+                .as_ref()
+                .clone()
+                .with_replacement(self.replacement(cx));
+            searchable_item.replace_all(&mut matches.iter(), &query, window, cx);
         }
     }
 
diff --git a/crates/search/src/buffer_search/registrar.rs b/crates/search/src/buffer_search/registrar.rs
index 4351e38618..0e227cbb7c 100644
--- a/crates/search/src/buffer_search/registrar.rs
+++ b/crates/search/src/buffer_search/registrar.rs
@@ -42,7 +42,6 @@ impl<T: 'static> SearchActionsRegistrar for DivRegistrar<'_, '_, T> {
         self.div = self.div.take().map(|div| {
             div.on_action(self.cx.listener(move |this, action, window, cx| {
                 let should_notify = (getter)(this, window, cx)
-                    .clone()
                     .map(|search_bar| {
                         search_bar.update(cx, |search_bar, cx| {
                             callback.execute(search_bar, action, window, cx)
diff --git a/crates/search/src/mode.rs b/crates/search/src/mode.rs
deleted file mode 100644
index 957eb707a5..0000000000
--- a/crates/search/src/mode.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-use gpui::{Action, SharedString};
-
-use crate::{ActivateRegexMode, ActivateTextMode};
-
-// TODO: Update the default search mode to get from config
-#[derive(Copy, Clone, Debug, Default, PartialEq)]
-pub enum SearchMode {
-    #[default]
-    Text,
-    Regex,
-}
-
-impl SearchMode {
-    pub(crate) fn label(&self) -> &'static str {
-        match self {
-            SearchMode::Text => "Text",
-            SearchMode::Regex => "Regex",
-        }
-    }
-    pub(crate) fn tooltip(&self) -> SharedString {
-        format!("Activate {} Mode", self.label()).into()
-    }
-    pub(crate) fn action(&self) -> Box<dyn Action> {
-        match self {
-            SearchMode::Text => ActivateTextMode.boxed_clone(),
-            SearchMode::Regex => ActivateRegexMode.boxed_clone(),
-        }
-    }
-}
-
-pub(crate) fn next_mode(mode: &SearchMode) -> SearchMode {
-    match mode {
-        SearchMode::Text => SearchMode::Regex,
-        SearchMode::Regex => SearchMode::Text,
-    }
-}
diff --git a/crates/search/src/project_search.rs b/crates/search/src/project_search.rs
index 3b9700c5f1..8ac12588af 100644
--- a/crates/search/src/project_search.rs
+++ b/crates/search/src/project_search.rs
@@ -1,20 +1,23 @@
 use crate::{
     BufferSearchBar, FocusSearch, NextHistoryQuery, PreviousHistoryQuery, ReplaceAll, ReplaceNext,
-    SearchOptions, SelectNextMatch, SelectPreviousMatch, ToggleCaseSensitive, ToggleIncludeIgnored,
-    ToggleRegex, ToggleReplace, ToggleWholeWord, buffer_search::Deploy,
+    SearchOption, SearchOptions, SearchSource, SelectNextMatch, SelectPreviousMatch,
+    ToggleCaseSensitive, ToggleIncludeIgnored, ToggleRegex, ToggleReplace, ToggleWholeWord,
+    buffer_search::Deploy,
+    search_bar::{ActionButtonState, input_base_styles, render_action_button, render_text_input},
 };
 use anyhow::Context as _;
-use collections::{HashMap, HashSet};
+use collections::HashMap;
 use editor::{
-    Anchor, Editor, EditorElement, EditorEvent, EditorSettings, EditorStyle, MAX_TAB_TITLE_LEN,
-    MultiBuffer, SelectionEffects, actions::SelectAll, items::active_match_index,
+    Anchor, Editor, EditorEvent, EditorSettings, MAX_TAB_TITLE_LEN, MultiBuffer, SelectionEffects,
+    actions::{Backtab, SelectAll, Tab},
+    items::active_match_index,
 };
 use futures::{StreamExt, stream::FuturesOrdered};
 use gpui::{
     Action, AnyElement, AnyView, App, Axis, Context, Entity, EntityId, EventEmitter, FocusHandle,
     Focusable, Global, Hsla, InteractiveElement, IntoElement, KeyContext, ParentElement, Point,
-    Render, SharedString, Styled, Subscription, Task, TextStyle, UpdateGlobal, WeakEntity, Window,
-    actions, div,
+    Render, SharedString, Styled, Subscription, Task, UpdateGlobal, WeakEntity, Window, actions,
+    div,
 };
 use language::{Buffer, Language};
 use menu::Confirm;
@@ -32,7 +35,6 @@ use std::{
     pin::pin,
     sync::Arc,
 };
-use theme::ThemeSettings;
 use ui::{
     Icon, IconButton, IconButtonShape, IconName, KeyBinding, Label, LabelCommon, LabelSize,
     Toggleable, Tooltip, h_flex, prelude::*, utils::SearchInputWidth, v_flex,
@@ -208,7 +210,7 @@ pub struct ProjectSearchView {
     replacement_editor: Entity<Editor>,
     results_editor: Entity<Editor>,
     search_options: SearchOptions,
-    panels_with_errors: HashSet<InputPanel>,
+    panels_with_errors: HashMap<InputPanel, String>,
     active_match_index: Option<usize>,
     search_id: usize,
     included_files_editor: Entity<Editor>,
@@ -218,7 +220,6 @@ pub struct ProjectSearchView {
     included_opened_only: bool,
     regex_language: Option<Arc<Language>>,
     _subscriptions: Vec<Subscription>,
-    query_error: Option<String>,
 }
 
 #[derive(Debug, Clone)]
@@ -355,8 +356,9 @@ impl ProjectSearch {
 
                 while let Some(new_ranges) = new_ranges.next().await {
                     project_search
-                        .update(cx, |project_search, _| {
+                        .update(cx, |project_search, cx| {
                             project_search.match_ranges.extend(new_ranges);
+                            cx.notify();
                         })
                         .ok()?;
                 }
@@ -773,15 +775,15 @@ impl ProjectSearchView {
         // Subscribe to query_editor in order to reraise editor events for workspace item activation purposes
         subscriptions.push(
             cx.subscribe(&query_editor, |this, _, event: &EditorEvent, cx| {
-                if let EditorEvent::Edited { .. } = event {
-                    if EditorSettings::get_global(cx).use_smartcase_search {
-                        let query = this.search_query_text(cx);
-                        if !query.is_empty()
-                            && this.search_options.contains(SearchOptions::CASE_SENSITIVE)
-                                != contains_uppercase(&query)
-                        {
-                            this.toggle_search_option(SearchOptions::CASE_SENSITIVE, cx);
-                        }
+                if let EditorEvent::Edited { .. } = event
+                    && EditorSettings::get_global(cx).use_smartcase_search
+                {
+                    let query = this.search_query_text(cx);
+                    if !query.is_empty()
+                        && this.search_options.contains(SearchOptions::CASE_SENSITIVE)
+                            != contains_uppercase(&query)
+                    {
+                        this.toggle_search_option(SearchOptions::CASE_SENSITIVE, cx);
                     }
                 }
                 cx.emit(ViewEvent::EditorEvent(event.clone()))
@@ -878,7 +880,7 @@ impl ProjectSearchView {
             query_editor,
             results_editor,
             search_options: options,
-            panels_with_errors: HashSet::default(),
+            panels_with_errors: HashMap::default(),
             active_match_index: None,
             included_files_editor,
             excluded_files_editor,
@@ -887,7 +889,6 @@ impl ProjectSearchView {
             included_opened_only: false,
             regex_language: None,
             _subscriptions: subscriptions,
-            query_error: None,
         };
         this.entity_changed(window, cx);
         this
@@ -946,14 +947,14 @@ impl ProjectSearchView {
         {
             let new_query = search_view.update(cx, |search_view, cx| {
                 let new_query = search_view.build_search_query(cx);
-                if new_query.is_some() {
-                    if let Some(old_query) = search_view.entity.read(cx).active_query.clone() {
-                        search_view.query_editor.update(cx, |editor, cx| {
-                            editor.set_text(old_query.as_str(), window, cx);
-                        });
-                        search_view.search_options = SearchOptions::from_query(&old_query);
-                        search_view.adjust_query_regex_language(cx);
-                    }
+                if new_query.is_some()
+                    && let Some(old_query) = search_view.entity.read(cx).active_query.clone()
+                {
+                    search_view.query_editor.update(cx, |editor, cx| {
+                        editor.set_text(old_query.as_str(), window, cx);
+                    });
+                    search_view.search_options = SearchOptions::from_query(&old_query);
+                    search_view.adjust_query_regex_language(cx);
                 }
                 new_query
             });
@@ -1112,8 +1113,8 @@ impl ProjectSearchView {
                     .await
                     .log_err();
                 }
-                let should_search = result != 2;
-                should_search
+
+                result != 2
             } else {
                 true
             };
@@ -1151,14 +1152,16 @@ impl ProjectSearchView {
                     Ok(included_files) => {
                         let should_unmark_error =
                             self.panels_with_errors.remove(&InputPanel::Include);
-                        if should_unmark_error {
+                        if should_unmark_error.is_some() {
                             cx.notify();
                         }
                         included_files
                     }
-                    Err(_e) => {
-                        let should_mark_error = self.panels_with_errors.insert(InputPanel::Include);
-                        if should_mark_error {
+                    Err(e) => {
+                        let should_mark_error = self
+                            .panels_with_errors
+                            .insert(InputPanel::Include, e.to_string());
+                        if should_mark_error.is_none() {
                             cx.notify();
                         }
                         PathMatcher::default()
@@ -1173,15 +1176,17 @@ impl ProjectSearchView {
                     Ok(excluded_files) => {
                         let should_unmark_error =
                             self.panels_with_errors.remove(&InputPanel::Exclude);
-                        if should_unmark_error {
+                        if should_unmark_error.is_some() {
                             cx.notify();
                         }
 
                         excluded_files
                     }
-                    Err(_e) => {
-                        let should_mark_error = self.panels_with_errors.insert(InputPanel::Exclude);
-                        if should_mark_error {
+                    Err(e) => {
+                        let should_mark_error = self
+                            .panels_with_errors
+                            .insert(InputPanel::Exclude, e.to_string());
+                        if should_mark_error.is_none() {
                             cx.notify();
                         }
                         PathMatcher::default()
@@ -1218,19 +1223,19 @@ impl ProjectSearchView {
             ) {
                 Ok(query) => {
                     let should_unmark_error = self.panels_with_errors.remove(&InputPanel::Query);
-                    if should_unmark_error {
+                    if should_unmark_error.is_some() {
                         cx.notify();
                     }
-                    self.query_error = None;
 
                     Some(query)
                 }
                 Err(e) => {
-                    let should_mark_error = self.panels_with_errors.insert(InputPanel::Query);
-                    if should_mark_error {
+                    let should_mark_error = self
+                        .panels_with_errors
+                        .insert(InputPanel::Query, e.to_string());
+                    if should_mark_error.is_none() {
                         cx.notify();
                     }
-                    self.query_error = Some(e.to_string());
 
                     None
                 }
@@ -1248,15 +1253,17 @@ impl ProjectSearchView {
             ) {
                 Ok(query) => {
                     let should_unmark_error = self.panels_with_errors.remove(&InputPanel::Query);
-                    if should_unmark_error {
+                    if should_unmark_error.is_some() {
                         cx.notify();
                     }
 
                     Some(query)
                 }
-                Err(_e) => {
-                    let should_mark_error = self.panels_with_errors.insert(InputPanel::Query);
-                    if should_mark_error {
+                Err(e) => {
+                    let should_mark_error = self
+                        .panels_with_errors
+                        .insert(InputPanel::Query, e.to_string());
+                    if should_mark_error.is_none() {
                         cx.notify();
                     }
 
@@ -1511,7 +1518,7 @@ impl ProjectSearchView {
     }
 
     fn border_color_for(&self, panel: InputPanel, cx: &App) -> Hsla {
-        if self.panels_with_errors.contains(&panel) {
+        if self.panels_with_errors.contains_key(&panel) {
             Color::Error.color(cx)
         } else {
             cx.theme().colors().border
@@ -1609,16 +1616,11 @@ impl ProjectSearchBar {
         }
     }
 
-    fn tab(&mut self, _: &editor::actions::Tab, window: &mut Window, cx: &mut Context<Self>) {
+    fn tab(&mut self, _: &Tab, window: &mut Window, cx: &mut Context<Self>) {
         self.cycle_field(Direction::Next, window, cx);
     }
 
-    fn backtab(
-        &mut self,
-        _: &editor::actions::Backtab,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) {
+    fn backtab(&mut self, _: &Backtab, window: &mut Window, cx: &mut Context<Self>) {
         self.cycle_field(Direction::Prev, window, cx);
     }
 
@@ -1633,29 +1635,22 @@ impl ProjectSearchBar {
     fn cycle_field(&mut self, direction: Direction, window: &mut Window, cx: &mut Context<Self>) {
         let active_project_search = match &self.active_project_search {
             Some(active_project_search) => active_project_search,
-
-            None => {
-                return;
-            }
+            None => return,
         };
 
         active_project_search.update(cx, |project_view, cx| {
-            let mut views = vec![&project_view.query_editor];
+            let mut views = vec![project_view.query_editor.focus_handle(cx)];
             if project_view.replace_enabled {
-                views.push(&project_view.replacement_editor);
+                views.push(project_view.replacement_editor.focus_handle(cx));
             }
             if project_view.filters_enabled {
                 views.extend([
-                    &project_view.included_files_editor,
-                    &project_view.excluded_files_editor,
+                    project_view.included_files_editor.focus_handle(cx),
+                    project_view.excluded_files_editor.focus_handle(cx),
                 ]);
             }
-            let current_index = match views
-                .iter()
-                .enumerate()
-                .find(|(_, editor)| editor.focus_handle(cx).is_focused(window))
-            {
-                Some((index, _)) => index,
+            let current_index = match views.iter().position(|focus| focus.is_focused(window)) {
+                Some(index) => index,
                 None => return,
             };
 
@@ -1664,13 +1659,13 @@ impl ProjectSearchBar {
                 Direction::Prev if current_index == 0 => views.len() - 1,
                 Direction::Prev => (current_index - 1) % views.len(),
             };
-            let next_focus_handle = views[new_index].focus_handle(cx);
-            window.focus(&next_focus_handle);
+            let next_focus_handle = &views[new_index];
+            window.focus(next_focus_handle);
             cx.stop_propagation();
         });
     }
 
-    fn toggle_search_option(
+    pub(crate) fn toggle_search_option(
         &mut self,
         option: SearchOptions,
         window: &mut Window,
@@ -1787,14 +1782,6 @@ impl ProjectSearchBar {
         }
     }
 
-    fn is_option_enabled(&self, option: SearchOptions, cx: &App) -> bool {
-        if let Some(search) = self.active_project_search.as_ref() {
-            search.read(cx).search_options.contains(option)
-        } else {
-            false
-        }
-    }
-
     fn next_history_query(
         &mut self,
         _: &NextHistoryQuery,
@@ -1857,8 +1844,8 @@ impl ProjectSearchBar {
                     ),
                 ] {
                     if editor.focus_handle(cx).is_focused(window) {
-                        if editor.read(cx).text(cx).is_empty() {
-                            if let Some(new_query) = search_view
+                        if editor.read(cx).text(cx).is_empty()
+                            && let Some(new_query) = search_view
                                 .entity
                                 .read(cx)
                                 .project
@@ -1866,10 +1853,9 @@ impl ProjectSearchBar {
                                 .search_history(kind)
                                 .current(search_view.entity.read(cx).cursor(kind))
                                 .map(str::to_string)
-                            {
-                                search_view.set_search_editor(kind, &new_query, window, cx);
-                                return;
-                            }
+                        {
+                            search_view.set_search_editor(kind, &new_query, window, cx);
+                            return;
                         }
 
                         if let Some(new_query) = search_view.entity.update(cx, |model, cx| {
@@ -1914,37 +1900,6 @@ impl ProjectSearchBar {
             })
         }
     }
-
-    fn render_text_input(&self, editor: &Entity<Editor>, cx: &Context<Self>) -> impl IntoElement {
-        let (color, use_syntax) = if editor.read(cx).read_only(cx) {
-            (cx.theme().colors().text_disabled, false)
-        } else {
-            (cx.theme().colors().text, true)
-        };
-        let settings = ThemeSettings::get_global(cx);
-        let text_style = TextStyle {
-            color,
-            font_family: settings.buffer_font.family.clone(),
-            font_features: settings.buffer_font.features.clone(),
-            font_fallbacks: settings.buffer_font.fallbacks.clone(),
-            font_size: rems(0.875).into(),
-            font_weight: settings.buffer_font.weight,
-            line_height: relative(1.3),
-            ..TextStyle::default()
-        };
-
-        let mut editor_style = EditorStyle {
-            background: cx.theme().colors().toolbar_background,
-            local_player: cx.theme().players().local(),
-            text: text_style,
-            ..EditorStyle::default()
-        };
-        if use_syntax {
-            editor_style.syntax = cx.theme().syntax().clone();
-        }
-
-        EditorElement::new(editor, editor_style)
-    }
 }
 
 impl Render for ProjectSearchBar {
@@ -1958,28 +1913,45 @@ impl Render for ProjectSearchBar {
         let container_width = window.viewport_size().width;
         let input_width = SearchInputWidth::calc_width(container_width);
 
-        enum BaseStyle {
-            SingleInput,
-            MultipleInputs,
-        }
+        let input_base_styles = |panel: InputPanel| {
+            input_base_styles(search.border_color_for(panel, cx), |div| match panel {
+                InputPanel::Query | InputPanel::Replacement => div.w(input_width),
+                InputPanel::Include | InputPanel::Exclude => div.flex_grow(),
+            })
+        };
+        let theme_colors = cx.theme().colors();
+        let project_search = search.entity.read(cx);
+        let limit_reached = project_search.limit_reached;
 
-        let input_base_styles = |base_style: BaseStyle, panel: InputPanel| {
-            h_flex()
-                .min_w_32()
-                .map(|div| match base_style {
-                    BaseStyle::SingleInput => div.w(input_width),
-                    BaseStyle::MultipleInputs => div.flex_grow(),
-                })
-                .h_8()
-                .pl_2()
-                .pr_1()
-                .py_1()
-                .border_1()
-                .border_color(search.border_color_for(panel, cx))
-                .rounded_lg()
+        let color_override = match (
+            &project_search.pending_search,
+            project_search.no_results,
+            &project_search.active_query,
+            &project_search.last_search_query_text,
+        ) {
+            (None, Some(true), Some(q), Some(p)) if q.as_str() == p => Some(Color::Error),
+            _ => None,
         };
 
-        let query_column = input_base_styles(BaseStyle::SingleInput, InputPanel::Query)
+        let match_text = search
+            .active_match_index
+            .and_then(|index| {
+                let index = index + 1;
+                let match_quantity = project_search.match_ranges.len();
+                if match_quantity > 0 {
+                    debug_assert!(match_quantity >= index);
+                    if limit_reached {
+                        Some(format!("{index}/{match_quantity}+"))
+                    } else {
+                        Some(format!("{index}/{match_quantity}"))
+                    }
+                } else {
+                    None
+                }
+            })
+            .unwrap_or_else(|| "0/0".to_string());
+
+        let query_column = input_base_styles(InputPanel::Query)
             .on_action(cx.listener(|this, action, window, cx| this.confirm(action, window, cx)))
             .on_action(cx.listener(|this, action, window, cx| {
                 this.previous_history_query(action, window, cx)
@@ -1987,35 +1959,78 @@ impl Render for ProjectSearchBar {
             .on_action(
                 cx.listener(|this, action, window, cx| this.next_history_query(action, window, cx)),
             )
-            .child(self.render_text_input(&search.query_editor, cx))
+            .child(render_text_input(&search.query_editor, color_override, cx))
             .child(
                 h_flex()
                     .gap_1()
-                    .child(SearchOptions::CASE_SENSITIVE.as_button(
-                        self.is_option_enabled(SearchOptions::CASE_SENSITIVE, cx),
+                    .child(SearchOption::CaseSensitive.as_button(
+                        search.search_options,
+                        SearchSource::Project(cx),
                         focus_handle.clone(),
-                        cx.listener(|this, _, window, cx| {
-                            this.toggle_search_option(SearchOptions::CASE_SENSITIVE, window, cx);
-                        }),
                     ))
-                    .child(SearchOptions::WHOLE_WORD.as_button(
-                        self.is_option_enabled(SearchOptions::WHOLE_WORD, cx),
+                    .child(SearchOption::WholeWord.as_button(
+                        search.search_options,
+                        SearchSource::Project(cx),
                         focus_handle.clone(),
-                        cx.listener(|this, _, window, cx| {
-                            this.toggle_search_option(SearchOptions::WHOLE_WORD, window, cx);
-                        }),
                     ))
-                    .child(SearchOptions::REGEX.as_button(
-                        self.is_option_enabled(SearchOptions::REGEX, cx),
+                    .child(SearchOption::Regex.as_button(
+                        search.search_options,
+                        SearchSource::Project(cx),
                         focus_handle.clone(),
-                        cx.listener(|this, _, window, cx| {
-                            this.toggle_search_option(SearchOptions::REGEX, window, cx);
-                        }),
                     )),
             );
 
+        let query_focus = search.query_editor.focus_handle(cx);
+
+        let matches_column = h_flex()
+            .pl_2()
+            .ml_2()
+            .border_l_1()
+            .border_color(theme_colors.border_variant)
+            .child(render_action_button(
+                "project-search-nav-button",
+                IconName::ChevronLeft,
+                search
+                    .active_match_index
+                    .is_none()
+                    .then_some(ActionButtonState::Disabled),
+                "Select Previous Match",
+                &SelectPreviousMatch,
+                query_focus.clone(),
+            ))
+            .child(render_action_button(
+                "project-search-nav-button",
+                IconName::ChevronRight,
+                search
+                    .active_match_index
+                    .is_none()
+                    .then_some(ActionButtonState::Disabled),
+                "Select Next Match",
+                &SelectNextMatch,
+                query_focus,
+            ))
+            .child(
+                div()
+                    .id("matches")
+                    .ml_2()
+                    .min_w(rems_from_px(40.))
+                    .child(Label::new(match_text).size(LabelSize::Small).color(
+                        if search.active_match_index.is_some() {
+                            Color::Default
+                        } else {
+                            Color::Disabled
+                        },
+                    ))
+                    .when(limit_reached, |el| {
+                        el.tooltip(Tooltip::text(
+                            "Search limits reached.\nTry narrowing your search.",
+                        ))
+                    }),
+            );
+
         let mode_column = h_flex()
             .gap_1()
+            .min_w_64()
             .child(
                 IconButton::new("project-search-filter-button", IconName::Filter)
                     .shape(IconButtonShape::Square)
@@ -2044,187 +2059,50 @@ impl Render for ProjectSearchBar {
                         }
                     }),
             )
-            .child(
-                IconButton::new("project-search-toggle-replace", IconName::Replace)
-                    .shape(IconButtonShape::Square)
-                    .on_click(cx.listener(|this, _, window, cx| {
-                        this.toggle_replace(&ToggleReplace, window, cx);
-                    }))
-                    .toggle_state(
-                        self.active_project_search
-                            .as_ref()
-                            .map(|search| search.read(cx).replace_enabled)
-                            .unwrap_or_default(),
-                    )
-                    .tooltip({
-                        let focus_handle = focus_handle.clone();
-                        move |window, cx| {
-                            Tooltip::for_action_in(
-                                "Toggle Replace",
-                                &ToggleReplace,
-                                &focus_handle,
-                                window,
-                                cx,
-                            )
-                        }
-                    }),
-            );
-
-        let limit_reached = search.entity.read(cx).limit_reached;
-
-        let match_text = search
-            .active_match_index
-            .and_then(|index| {
-                let index = index + 1;
-                let match_quantity = search.entity.read(cx).match_ranges.len();
-                if match_quantity > 0 {
-                    debug_assert!(match_quantity >= index);
-                    if limit_reached {
-                        Some(format!("{index}/{match_quantity}+"))
-                    } else {
-                        Some(format!("{index}/{match_quantity}"))
-                    }
-                } else {
-                    None
-                }
-            })
-            .unwrap_or_else(|| "0/0".to_string());
-
-        let matches_column = h_flex()
-            .pl_2()
-            .ml_2()
-            .border_l_1()
-            .border_color(cx.theme().colors().border_variant)
-            .child(
-                IconButton::new("project-search-prev-match", IconName::ChevronLeft)
-                    .shape(IconButtonShape::Square)
-                    .disabled(search.active_match_index.is_none())
-                    .on_click(cx.listener(|this, _, window, cx| {
-                        if let Some(search) = this.active_project_search.as_ref() {
-                            search.update(cx, |this, cx| {
-                                this.select_match(Direction::Prev, window, cx);
-                            })
-                        }
-                    }))
-                    .tooltip({
-                        let focus_handle = focus_handle.clone();
-                        move |window, cx| {
-                            Tooltip::for_action_in(
-                                "Go To Previous Match",
-                                &SelectPreviousMatch,
-                                &focus_handle,
-                                window,
-                                cx,
-                            )
-                        }
-                    }),
-            )
-            .child(
-                IconButton::new("project-search-next-match", IconName::ChevronRight)
-                    .shape(IconButtonShape::Square)
-                    .disabled(search.active_match_index.is_none())
-                    .on_click(cx.listener(|this, _, window, cx| {
-                        if let Some(search) = this.active_project_search.as_ref() {
-                            search.update(cx, |this, cx| {
-                                this.select_match(Direction::Next, window, cx);
-                            })
-                        }
-                    }))
-                    .tooltip({
-                        let focus_handle = focus_handle.clone();
-                        move |window, cx| {
-                            Tooltip::for_action_in(
-                                "Go To Next Match",
-                                &SelectNextMatch,
-                                &focus_handle,
-                                window,
-                                cx,
-                            )
-                        }
-                    }),
-            )
-            .child(
-                div()
-                    .id("matches")
-                    .ml_1()
-                    .child(Label::new(match_text).size(LabelSize::Small).color(
-                        if search.active_match_index.is_some() {
-                            Color::Default
-                        } else {
-                            Color::Disabled
-                        },
-                    ))
-                    .when(limit_reached, |el| {
-                        el.tooltip(Tooltip::text(
-                            "Search limits reached.\nTry narrowing your search.",
-                        ))
-                    }),
-            );
+            .child(render_action_button(
+                "project-search",
+                IconName::Replace,
+                self.active_project_search
+                    .as_ref()
+                    .map(|search| search.read(cx).replace_enabled)
+                    .and_then(|enabled| enabled.then_some(ActionButtonState::Toggled)),
+                "Toggle Replace",
+                &ToggleReplace,
+                focus_handle.clone(),
+            ))
+            .child(matches_column);
 
         let search_line = h_flex()
             .w_full()
             .gap_2()
             .child(query_column)
-            .child(h_flex().min_w_64().child(mode_column).child(matches_column));
+            .child(mode_column);
 
         let replace_line = search.replace_enabled.then(|| {
-            let replace_column = input_base_styles(BaseStyle::SingleInput, InputPanel::Replacement)
-                .child(self.render_text_input(&search.replacement_editor, cx));
+            let replace_column = input_base_styles(InputPanel::Replacement)
+                .child(render_text_input(&search.replacement_editor, None, cx));
 
             let focus_handle = search.replacement_editor.read(cx).focus_handle(cx);
 
-            let replace_actions =
-                h_flex()
-                    .min_w_64()
-                    .gap_1()
-                    .when(search.replace_enabled, |this| {
-                        this.child(
-                            IconButton::new("project-search-replace-next", IconName::ReplaceNext)
-                                .shape(IconButtonShape::Square)
-                                .on_click(cx.listener(|this, _, window, cx| {
-                                    if let Some(search) = this.active_project_search.as_ref() {
-                                        search.update(cx, |this, cx| {
-                                            this.replace_next(&ReplaceNext, window, cx);
-                                        })
-                                    }
-                                }))
-                                .tooltip({
-                                    let focus_handle = focus_handle.clone();
-                                    move |window, cx| {
-                                        Tooltip::for_action_in(
-                                            "Replace Next Match",
-                                            &ReplaceNext,
-                                            &focus_handle,
-                                            window,
-                                            cx,
-                                        )
-                                    }
-                                }),
-                        )
-                        .child(
-                            IconButton::new("project-search-replace-all", IconName::ReplaceAll)
-                                .shape(IconButtonShape::Square)
-                                .on_click(cx.listener(|this, _, window, cx| {
-                                    if let Some(search) = this.active_project_search.as_ref() {
-                                        search.update(cx, |this, cx| {
-                                            this.replace_all(&ReplaceAll, window, cx);
-                                        })
-                                    }
-                                }))
-                                .tooltip({
-                                    let focus_handle = focus_handle.clone();
-                                    move |window, cx| {
-                                        Tooltip::for_action_in(
-                                            "Replace All Matches",
-                                            &ReplaceAll,
-                                            &focus_handle,
-                                            window,
-                                            cx,
-                                        )
-                                    }
-                                }),
-                        )
-                    });
+            let replace_actions = h_flex()
+                .min_w_64()
+                .gap_1()
+                .child(render_action_button(
+                    "project-search-replace-button",
+                    IconName::ReplaceNext,
+                    Default::default(),
+                    "Replace Next Match",
+                    &ReplaceNext,
+                    focus_handle.clone(),
+                ))
+                .child(render_action_button(
+                    "project-search-replace-button",
+                    IconName::ReplaceAll,
+                    Default::default(),
+                    "Replace All Matches",
+                    &ReplaceAll,
+                    focus_handle,
+                ));
 
             h_flex()
                 .w_full()
@@ -2234,6 +2112,39 @@ impl Render for ProjectSearchBar {
         });
 
         let filter_line = search.filters_enabled.then(|| {
+            let include = input_base_styles(InputPanel::Include)
+                .on_action(cx.listener(|this, action, window, cx| {
+                    this.previous_history_query(action, window, cx)
+                }))
+                .on_action(cx.listener(|this, action, window, cx| {
+                    this.next_history_query(action, window, cx)
+                }))
+                .child(render_text_input(&search.included_files_editor, None, cx));
+            let exclude = input_base_styles(InputPanel::Exclude)
+                .on_action(cx.listener(|this, action, window, cx| {
+                    this.previous_history_query(action, window, cx)
+                }))
+                .on_action(cx.listener(|this, action, window, cx| {
+                    this.next_history_query(action, window, cx)
+                }))
+                .child(render_text_input(&search.excluded_files_editor, None, cx));
+            let mode_column = h_flex()
+                .gap_1()
+                .min_w_64()
+                .child(
+                    IconButton::new("project-search-opened-only", IconName::FolderSearch)
+                        .shape(IconButtonShape::Square)
+                        .toggle_state(self.is_opened_only_enabled(cx))
+                        .tooltip(Tooltip::text("Only Search Open Files"))
+                        .on_click(cx.listener(|this, _, window, cx| {
+                            this.toggle_opened_only(window, cx);
+                        })),
+                )
+                .child(SearchOption::IncludeIgnored.as_button(
+                    search.search_options,
+                    SearchSource::Project(cx),
+                    focus_handle.clone(),
+                ));
             h_flex()
                 .w_full()
                 .gap_2()
@@ -2241,62 +2152,14 @@ impl Render for ProjectSearchBar {
                     h_flex()
                         .gap_2()
                         .w(input_width)
-                        .child(
-                            input_base_styles(BaseStyle::MultipleInputs, InputPanel::Include)
-                                .on_action(cx.listener(|this, action, window, cx| {
-                                    this.previous_history_query(action, window, cx)
-                                }))
-                                .on_action(cx.listener(|this, action, window, cx| {
-                                    this.next_history_query(action, window, cx)
-                                }))
-                                .child(self.render_text_input(&search.included_files_editor, cx)),
-                        )
-                        .child(
-                            input_base_styles(BaseStyle::MultipleInputs, InputPanel::Exclude)
-                                .on_action(cx.listener(|this, action, window, cx| {
-                                    this.previous_history_query(action, window, cx)
-                                }))
-                                .on_action(cx.listener(|this, action, window, cx| {
-                                    this.next_history_query(action, window, cx)
-                                }))
-                                .child(self.render_text_input(&search.excluded_files_editor, cx)),
-                        ),
-                )
-                .child(
-                    h_flex()
-                        .min_w_64()
-                        .gap_1()
-                        .child(
-                            IconButton::new("project-search-opened-only", IconName::FileSearch)
-                                .shape(IconButtonShape::Square)
-                                .toggle_state(self.is_opened_only_enabled(cx))
-                                .tooltip(Tooltip::text("Only Search Open Files"))
-                                .on_click(cx.listener(|this, _, window, cx| {
-                                    this.toggle_opened_only(window, cx);
-                                })),
-                        )
-                        .child(
-                            SearchOptions::INCLUDE_IGNORED.as_button(
-                                search
-                                    .search_options
-                                    .contains(SearchOptions::INCLUDE_IGNORED),
-                                focus_handle.clone(),
-                                cx.listener(|this, _, window, cx| {
-                                    this.toggle_search_option(
-                                        SearchOptions::INCLUDE_IGNORED,
-                                        window,
-                                        cx,
-                                    );
-                                }),
-                            ),
-                        ),
+                        .child(include)
+                        .child(exclude),
                 )
+                .child(mode_column)
         });
 
         let mut key_context = KeyContext::default();
-
         key_context.add("ProjectSearchBar");
-
         if search
             .replacement_editor
             .focus_handle(cx)
@@ -2305,16 +2168,33 @@ impl Render for ProjectSearchBar {
             key_context.add("in_replace");
         }
 
-        let query_error_line = search.query_error.as_ref().map(|error| {
-            Label::new(error)
-                .size(LabelSize::Small)
-                .color(Color::Error)
-                .mt_neg_1()
-                .ml_2()
-        });
+        let query_error_line = search
+            .panels_with_errors
+            .get(&InputPanel::Query)
+            .map(|error| {
+                Label::new(error)
+                    .size(LabelSize::Small)
+                    .color(Color::Error)
+                    .mt_neg_1()
+                    .ml_2()
+            });
+
+        let filter_error_line = search
+            .panels_with_errors
+            .get(&InputPanel::Include)
+            .or_else(|| search.panels_with_errors.get(&InputPanel::Exclude))
+            .map(|error| {
+                Label::new(error)
+                    .size(LabelSize::Small)
+                    .color(Color::Error)
+                    .mt_neg_1()
+                    .ml_2()
+            });
 
         v_flex()
+            .gap_2()
             .py(px(1.0))
+            .w_full()
             .key_context(key_context)
             .on_action(cx.listener(|this, _: &ToggleFocus, window, cx| {
                 this.move_focus_to_results(window, cx)
@@ -2322,14 +2202,8 @@ impl Render for ProjectSearchBar {
             .on_action(cx.listener(|this, _: &ToggleFilters, window, cx| {
                 this.toggle_filters(window, cx);
             }))
-            .capture_action(cx.listener(|this, action, window, cx| {
-                this.tab(action, window, cx);
-                cx.stop_propagation();
-            }))
-            .capture_action(cx.listener(|this, action, window, cx| {
-                this.backtab(action, window, cx);
-                cx.stop_propagation();
-            }))
+            .capture_action(cx.listener(Self::tab))
+            .capture_action(cx.listener(Self::backtab))
             .on_action(cx.listener(|this, action, window, cx| this.confirm(action, window, cx)))
             .on_action(cx.listener(|this, action, window, cx| {
                 this.toggle_replace(action, window, cx);
@@ -2361,12 +2235,11 @@ impl Render for ProjectSearchBar {
             })
             .on_action(cx.listener(Self::select_next_match))
             .on_action(cx.listener(Self::select_prev_match))
-            .gap_2()
-            .w_full()
             .child(search_line)
             .children(query_error_line)
             .children(replace_line)
             .children(filter_line)
+            .children(filter_error_line)
     }
 }
 
@@ -3843,7 +3716,7 @@ pub mod tests {
                 window
                     .update(cx, |_, _, cx| {
                         search_view.update(cx, |search_view, cx| {
-                            search_view.query_editor.read(cx).text(cx).to_string()
+                            search_view.query_editor.read(cx).text(cx)
                         })
                     })
                     .unwrap()
@@ -4010,7 +3883,6 @@ pub mod tests {
         // Add a project search item to the second pane
         window
             .update(cx, {
-                let search_bar = search_bar.clone();
                 |workspace, window, cx| {
                     assert_eq!(workspace.panes().len(), 2);
                     second_pane.update(cx, |pane, cx| {
@@ -4033,7 +3905,7 @@ pub mod tests {
                 assert_eq!(workspace.active_pane(), &second_pane);
                 second_pane.update(cx, |this, cx| {
                     assert_eq!(this.active_item_index(), 1);
-                    this.activate_prev_item(false, window, cx);
+                    this.activate_previous_item(&Default::default(), window, cx);
                     assert_eq!(this.active_item_index(), 0);
                 });
                 workspace.activate_pane_in_direction(workspace::SplitDirection::Left, window, cx);
@@ -4068,7 +3940,9 @@ pub mod tests {
         // Focus the second pane's non-search item
         window
             .update(cx, |_workspace, window, cx| {
-                second_pane.update(cx, |pane, cx| pane.activate_next_item(true, window, cx));
+                second_pane.update(cx, |pane, cx| {
+                    pane.activate_next_item(&Default::default(), window, cx)
+                });
             })
             .unwrap();
 
@@ -4238,7 +4112,7 @@ pub mod tests {
         });
         cx.run_until_parked();
         let project_search_view = pane
-            .read_with(&mut cx, |pane, _| {
+            .read_with(&cx, |pane, _| {
                 pane.active_item()
                     .and_then(|item| item.downcast::<ProjectSearchView>())
             })
diff --git a/crates/search/src/search.rs b/crates/search/src/search.rs
index 5f57bfb4b1..65e59fd5de 100644
--- a/crates/search/src/search.rs
+++ b/crates/search/src/search.rs
@@ -1,7 +1,7 @@
 use bitflags::bitflags;
 pub use buffer_search::BufferSearchBar;
 use editor::SearchSettings;
-use gpui::{Action, App, FocusHandle, IntoElement, actions};
+use gpui::{Action, App, ClickEvent, FocusHandle, IntoElement, actions};
 use project::search::SearchQuery;
 pub use project_search::ProjectSearchView;
 use ui::{ButtonStyle, IconButton, IconButtonShape};
@@ -9,6 +9,10 @@ use ui::{Tooltip, prelude::*};
 use workspace::notifications::NotificationId;
 use workspace::{Toast, Workspace};
 
+pub use search_status_button::SEARCH_ICON;
+
+use crate::project_search::ProjectSearchBar;
+
 pub mod buffer_search;
 pub mod project_search;
 pub(crate) mod search_bar;
@@ -59,48 +63,108 @@ actions!(
 bitflags! {
     #[derive(Debug, PartialEq, Eq, Clone, Copy, Default)]
     pub struct SearchOptions: u8 {
-        const NONE = 0b000;
-        const WHOLE_WORD = 0b001;
-        const CASE_SENSITIVE = 0b010;
-        const INCLUDE_IGNORED = 0b100;
-        const REGEX = 0b1000;
-        const ONE_MATCH_PER_LINE = 0b100000;
+        const NONE = 0;
+        const WHOLE_WORD = 1 << SearchOption::WholeWord as u8;
+        const CASE_SENSITIVE = 1 << SearchOption::CaseSensitive as u8;
+        const INCLUDE_IGNORED = 1 << SearchOption::IncludeIgnored as u8;
+        const REGEX = 1 << SearchOption::Regex as u8;
+        const ONE_MATCH_PER_LINE = 1 << SearchOption::OneMatchPerLine as u8;
         /// If set, reverse direction when finding the active match
-        const BACKWARDS = 0b10000;
+        const BACKWARDS = 1 << SearchOption::Backwards as u8;
     }
 }
 
-impl SearchOptions {
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[repr(u8)]
+pub enum SearchOption {
+    WholeWord = 0,
+    CaseSensitive,
+    IncludeIgnored,
+    Regex,
+    OneMatchPerLine,
+    Backwards,
+}
+
+pub(crate) enum SearchSource<'a, 'b> {
+    Buffer,
+    Project(&'a Context<'b, ProjectSearchBar>),
+}
+
+impl SearchOption {
+    pub fn as_options(&self) -> SearchOptions {
+        SearchOptions::from_bits(1 << *self as u8).unwrap()
+    }
+
     pub fn label(&self) -> &'static str {
-        match *self {
-            SearchOptions::WHOLE_WORD => "Match Whole Words",
-            SearchOptions::CASE_SENSITIVE => "Match Case Sensitively",
-            SearchOptions::INCLUDE_IGNORED => "Also search files ignored by configuration",
-            SearchOptions::REGEX => "Use Regular Expressions",
-            _ => panic!("{:?} is not a named SearchOption", self),
+        match self {
+            SearchOption::WholeWord => "Match Whole Words",
+            SearchOption::CaseSensitive => "Match Case Sensitively",
+            SearchOption::IncludeIgnored => "Also search files ignored by configuration",
+            SearchOption::Regex => "Use Regular Expressions",
+            SearchOption::OneMatchPerLine => "One Match Per Line",
+            SearchOption::Backwards => "Search Backwards",
         }
     }
 
     pub fn icon(&self) -> ui::IconName {
-        match *self {
-            SearchOptions::WHOLE_WORD => ui::IconName::WholeWord,
-            SearchOptions::CASE_SENSITIVE => ui::IconName::CaseSensitive,
-            SearchOptions::INCLUDE_IGNORED => ui::IconName::Sliders,
-            SearchOptions::REGEX => ui::IconName::Regex,
-            _ => panic!("{:?} is not a named SearchOption", self),
+        match self {
+            SearchOption::WholeWord => ui::IconName::WholeWord,
+            SearchOption::CaseSensitive => ui::IconName::CaseSensitive,
+            SearchOption::IncludeIgnored => ui::IconName::Sliders,
+            SearchOption::Regex => ui::IconName::Regex,
+            _ => panic!("{self:?} is not a named SearchOption"),
         }
     }
 
-    pub fn to_toggle_action(&self) -> Box<dyn Action + Sync + Send + 'static> {
-        match *self {
-            SearchOptions::WHOLE_WORD => Box::new(ToggleWholeWord),
-            SearchOptions::CASE_SENSITIVE => Box::new(ToggleCaseSensitive),
-            SearchOptions::INCLUDE_IGNORED => Box::new(ToggleIncludeIgnored),
-            SearchOptions::REGEX => Box::new(ToggleRegex),
-            _ => panic!("{:?} is not a named SearchOption", self),
+    pub fn to_toggle_action(self) -> &'static dyn Action {
+        match self {
+            SearchOption::WholeWord => &ToggleWholeWord,
+            SearchOption::CaseSensitive => &ToggleCaseSensitive,
+            SearchOption::IncludeIgnored => &ToggleIncludeIgnored,
+            SearchOption::Regex => &ToggleRegex,
+            _ => panic!("{self:?} is not a toggle action"),
         }
     }
 
+    pub(crate) fn as_button(
+        &self,
+        active: SearchOptions,
+        search_source: SearchSource,
+        focus_handle: FocusHandle,
+    ) -> impl IntoElement {
+        let action = self.to_toggle_action();
+        let label = self.label();
+        IconButton::new(
+            (label, matches!(search_source, SearchSource::Buffer) as u32),
+            self.icon(),
+        )
+        .map(|button| match search_source {
+            SearchSource::Buffer => {
+                let focus_handle = focus_handle.clone();
+                button.on_click(move |_: &ClickEvent, window, cx| {
+                    if !focus_handle.is_focused(window) {
+                        window.focus(&focus_handle);
+                    }
+                    window.dispatch_action(action.boxed_clone(), cx);
+                })
+            }
+            SearchSource::Project(cx) => {
+                let options = self.as_options();
+                button.on_click(cx.listener(move |this, _: &ClickEvent, window, cx| {
+                    this.toggle_search_option(options, window, cx);
+                }))
+            }
+        })
+        .style(ButtonStyle::Subtle)
+        .shape(IconButtonShape::Square)
+        .toggle_state(active.contains(self.as_options()))
+        .tooltip({
+            move |window, cx| Tooltip::for_action_in(label, action, &focus_handle, window, cx)
+        })
+    }
+}
+
+impl SearchOptions {
     pub fn none() -> SearchOptions {
         SearchOptions::NONE
     }
@@ -122,24 +186,6 @@ impl SearchOptions {
         options.set(SearchOptions::REGEX, settings.regex);
         options
     }
-
-    pub fn as_button<Action: Fn(&gpui::ClickEvent, &mut Window, &mut App) + 'static>(
-        &self,
-        active: bool,
-        focus_handle: FocusHandle,
-        action: Action,
-    ) -> impl IntoElement + use<Action> {
-        IconButton::new(self.label(), self.icon())
-            .on_click(action)
-            .style(ButtonStyle::Subtle)
-            .shape(IconButtonShape::Square)
-            .toggle_state(active)
-            .tooltip({
-                let action = self.to_toggle_action();
-                let label = self.label();
-                move |window, cx| Tooltip::for_action_in(label, &*action, &focus_handle, window, cx)
-            })
-    }
 }
 
 pub(crate) fn show_no_more_matches(window: &mut Window, cx: &mut App) {
diff --git a/crates/search/src/search_bar.rs b/crates/search/src/search_bar.rs
index 805664c794..44f6b3fdd2 100644
--- a/crates/search/src/search_bar.rs
+++ b/crates/search/src/search_bar.rs
@@ -1,28 +1,92 @@
-use gpui::{Action, FocusHandle, IntoElement};
+use editor::{Editor, EditorElement, EditorStyle};
+use gpui::{Action, Entity, FocusHandle, Hsla, IntoElement, TextStyle};
+use settings::Settings;
+use theme::ThemeSettings;
 use ui::{IconButton, IconButtonShape};
 use ui::{Tooltip, prelude::*};
 
-pub(super) fn render_nav_button(
+pub(super) enum ActionButtonState {
+    Disabled,
+    Toggled,
+}
+
+pub(super) fn render_action_button(
+    id_prefix: &'static str,
     icon: ui::IconName,
-    active: bool,
+    button_state: Option<ActionButtonState>,
     tooltip: &'static str,
     action: &'static dyn Action,
     focus_handle: FocusHandle,
 ) -> impl IntoElement {
     IconButton::new(
-        SharedString::from(format!("search-nav-button-{}", action.name())),
+        SharedString::from(format!("{id_prefix}-{}", action.name())),
         icon,
     )
     .shape(IconButtonShape::Square)
     .on_click({
         let focus_handle = focus_handle.clone();
         move |_, window, cx| {
-            if !focus_handle.is_focused(&window) {
+            if !focus_handle.is_focused(window) {
                 window.focus(&focus_handle);
             }
             window.dispatch_action(action.boxed_clone(), cx)
         }
     })
     .tooltip(move |window, cx| Tooltip::for_action_in(tooltip, action, &focus_handle, window, cx))
-    .disabled(!active)
+    .when_some(button_state, |this, state| match state {
+        ActionButtonState::Toggled => this.toggle_state(true),
+        ActionButtonState::Disabled => this.disabled(true),
+    })
+}
+
+pub(crate) fn input_base_styles(border_color: Hsla, map: impl FnOnce(Div) -> Div) -> Div {
+    h_flex()
+        .min_w_32()
+        .map(map)
+        .h_8()
+        .pl_2()
+        .pr_1()
+        .py_1()
+        .border_1()
+        .border_color(border_color)
+        .rounded_lg()
+}
+
+pub(crate) fn render_text_input(
+    editor: &Entity<Editor>,
+    color_override: Option<Color>,
+    app: &App,
+) -> impl IntoElement {
+    let (color, use_syntax) = if editor.read(app).read_only(app) {
+        (app.theme().colors().text_disabled, false)
+    } else {
+        match color_override {
+            Some(color_override) => (color_override.color(app), false),
+            None => (app.theme().colors().text, true),
+        }
+    };
+
+    let settings = ThemeSettings::get_global(app);
+    let text_style = TextStyle {
+        color,
+        font_family: settings.buffer_font.family.clone(),
+        font_features: settings.buffer_font.features.clone(),
+        font_fallbacks: settings.buffer_font.fallbacks.clone(),
+        font_size: rems(0.875).into(),
+        font_weight: settings.buffer_font.weight,
+        line_height: relative(1.3),
+        ..TextStyle::default()
+    };
+
+    let mut editor_style = EditorStyle {
+        background: app.theme().colors().toolbar_background,
+        local_player: app.theme().players().local(),
+        text: text_style,
+        ..EditorStyle::default()
+    };
+    if use_syntax {
+        editor_style.syntax = app.theme().syntax().clone();
+    }
+
+    EditorElement::new(editor, editor_style)
 }
diff --git a/crates/search/src/search_status_button.rs b/crates/search/src/search_status_button.rs
index ff2ee1641d..fcf36e86fa 100644
--- a/crates/search/src/search_status_button.rs
+++ b/crates/search/src/search_status_button.rs
@@ -3,6 +3,8 @@ use settings::Settings as _;
 use ui::{ButtonCommon, Clickable, Context, Render, Tooltip, Window, prelude::*};
 use workspace::{ItemHandle, StatusItemView};
 
+pub const SEARCH_ICON: IconName = IconName::MagnifyingGlass;
+
 pub struct SearchButton;
 
 impl SearchButton {
@@ -20,7 +22,7 @@ impl Render for SearchButton {
         }
 
         button.child(
-            IconButton::new("project-search-indicator", IconName::MagnifyingGlass)
+            IconButton::new("project-search-indicator", SEARCH_ICON)
                 .icon_size(IconSize::Small)
                 .tooltip(|window, cx| {
                     Tooltip::for_action(
diff --git a/crates/semantic_index/examples/index.rs b/crates/semantic_index/examples/index.rs
index da27b8ad22..86f1e53a60 100644
--- a/crates/semantic_index/examples/index.rs
+++ b/crates/semantic_index/examples/index.rs
@@ -35,7 +35,7 @@ fn main() {
             None,
         ));
         let client = client::Client::new(clock, http.clone(), cx);
-        Client::set_global(client.clone(), cx);
+        Client::set_global(client, cx);
 
         let args: Vec<String> = std::env::args().collect();
         if args.len() < 2 {
@@ -49,7 +49,7 @@ fn main() {
         let api_key = std::env::var("OPENAI_API_KEY").expect("OPENAI_API_KEY not set");
 
         let embedding_provider = Arc::new(OpenAiEmbeddingProvider::new(
-            http.clone(),
+            http,
             OpenAiEmbeddingModel::TextEmbedding3Small,
             open_ai::OPEN_AI_API_URL.to_string(),
             api_key,
diff --git a/crates/semantic_index/src/embedding_index.rs b/crates/semantic_index/src/embedding_index.rs
index d2d10ad0ad..c54cd9d3c3 100644
--- a/crates/semantic_index/src/embedding_index.rs
+++ b/crates/semantic_index/src/embedding_index.rs
@@ -88,7 +88,7 @@ impl EmbeddingIndex {
 
         let worktree = self.worktree.read(cx).snapshot();
         let worktree_abs_path = worktree.abs_path().clone();
-        let scan = self.scan_updated_entries(worktree, updated_entries.clone(), cx);
+        let scan = self.scan_updated_entries(worktree, updated_entries, cx);
         let chunk = self.chunk_files(worktree_abs_path, scan.updated_entries, cx);
         let embed = Self::embed_files(self.embedding_provider.clone(), chunk.files, cx);
         let persist = self.persist_embeddings(scan.deleted_entry_ranges, embed.files, cx);
@@ -194,11 +194,11 @@ impl EmbeddingIndex {
                     project::PathChange::Added
                     | project::PathChange::Updated
                     | project::PathChange::AddedOrUpdated => {
-                        if let Some(entry) = worktree.entry_for_id(*entry_id) {
-                            if entry.is_file() {
-                                let handle = entries_being_indexed.insert(entry.id);
-                                updated_entries_tx.send((entry.clone(), handle)).await?;
-                            }
+                        if let Some(entry) = worktree.entry_for_id(*entry_id)
+                            && entry.is_file()
+                        {
+                            let handle = entries_being_indexed.insert(entry.id);
+                            updated_entries_tx.send((entry.clone(), handle)).await?;
                         }
                     }
                     project::PathChange::Removed => {
@@ -406,7 +406,7 @@ impl EmbeddingIndex {
                 .context("failed to create read transaction")?;
             let result = db
                 .iter(&tx)?
-                .map(|entry| Ok(entry?.1.path.clone()))
+                .map(|entry| Ok(entry?.1.path))
                 .collect::<Result<Vec<Arc<Path>>>>();
             drop(tx);
             result
@@ -423,8 +423,7 @@ impl EmbeddingIndex {
             Ok(db
                 .get(&tx, &db_key_for_path(&path))?
                 .context("no such path")?
-                .chunks
-                .clone())
+                .chunks)
         })
     }
 }
diff --git a/crates/semantic_index/src/project_index.rs b/crates/semantic_index/src/project_index.rs
index 5e852327dd..60b2770dd3 100644
--- a/crates/semantic_index/src/project_index.rs
+++ b/crates/semantic_index/src/project_index.rs
@@ -384,10 +384,10 @@ impl ProjectIndex {
         cx: &App,
     ) -> Option<Entity<WorktreeIndex>> {
         for index in self.worktree_indices.values() {
-            if let WorktreeIndexHandle::Loaded { index, .. } = index {
-                if index.read(cx).worktree().read(cx).id() == worktree_id {
-                    return Some(index.clone());
-                }
+            if let WorktreeIndexHandle::Loaded { index, .. } = index
+                && index.read(cx).worktree().read(cx).id() == worktree_id
+            {
+                return Some(index.clone());
             }
         }
         None
diff --git a/crates/semantic_index/src/project_index_debug_view.rs b/crates/semantic_index/src/project_index_debug_view.rs
index 1b0d87fca0..8d6a49c45c 100644
--- a/crates/semantic_index/src/project_index_debug_view.rs
+++ b/crates/semantic_index/src/project_index_debug_view.rs
@@ -115,21 +115,9 @@ impl ProjectIndexDebugView {
                 .collect::<Vec<_>>();
 
             this.update(cx, |this, cx| {
-                let view = cx.entity().downgrade();
                 this.selected_path = Some(PathState {
                     path: file_path,
-                    list_state: ListState::new(
-                        chunks.len(),
-                        gpui::ListAlignment::Top,
-                        px(100.),
-                        move |ix, _, cx| {
-                            if let Some(view) = view.upgrade() {
-                                view.update(cx, |view, cx| view.render_chunk(ix, cx))
-                            } else {
-                                div().into_any()
-                            }
-                        },
-                    ),
+                    list_state: ListState::new(chunks.len(), gpui::ListAlignment::Top, px(100.)),
                     chunks,
                 });
                 cx.notify();
@@ -219,7 +207,13 @@ impl Render for ProjectIndexDebugView {
                             cx.notify();
                         })),
                 )
-                .child(list(selected_path.list_state.clone()).size_full())
+                .child(
+                    list(
+                        selected_path.list_state.clone(),
+                        cx.processor(|this, ix, _, cx| this.render_chunk(ix, cx)),
+                    )
+                    .size_full(),
+                )
                 .size_full()
                 .into_any_element()
         } else {
diff --git a/crates/semantic_index/src/semantic_index.rs b/crates/semantic_index/src/semantic_index.rs
index a9cc08382b..439791047a 100644
--- a/crates/semantic_index/src/semantic_index.rs
+++ b/crates/semantic_index/src/semantic_index.rs
@@ -174,14 +174,13 @@ impl SemanticDb {
                 file_content[start_line_byte_offset..end_line_byte_offset].to_string();
             LineEnding::normalize(&mut excerpt_content);
 
-            if let Some(prev_result) = loaded_results.last_mut() {
-                if prev_result.full_path == full_path {
-                    if *prev_result.row_range.end() + 1 == start_row {
-                        prev_result.row_range = *prev_result.row_range.start()..=end_row;
-                        prev_result.excerpt_content.push_str(&excerpt_content);
-                        continue;
-                    }
-                }
+            if let Some(prev_result) = loaded_results.last_mut()
+                && prev_result.full_path == full_path
+                && *prev_result.row_range.end() + 1 == start_row
+            {
+                prev_result.row_range = *prev_result.row_range.start()..=end_row;
+                prev_result.excerpt_content.push_str(&excerpt_content);
+                continue;
             }
 
             loaded_results.push(LoadedSearchResult {
@@ -435,7 +434,7 @@ mod tests {
             .await;
 
         let range = search_result.range.clone();
-        let content = content[range.clone()].to_owned();
+        let content = content[range].to_owned();
 
         assert!(content.contains("garbage in, garbage out"));
     }
diff --git a/crates/semantic_index/src/summary_index.rs b/crates/semantic_index/src/summary_index.rs
index 6e3aae1344..9a3eb302ed 100644
--- a/crates/semantic_index/src/summary_index.rs
+++ b/crates/semantic_index/src/summary_index.rs
@@ -205,7 +205,7 @@ impl SummaryIndex {
             let worktree = self.worktree.read(cx).snapshot();
             let worktree_abs_path = worktree.abs_path().clone();
 
-            backlogged = self.scan_updated_entries(worktree, updated_entries.clone(), cx);
+            backlogged = self.scan_updated_entries(worktree, updated_entries, cx);
             digest = self.digest_files(backlogged.paths_to_digest, worktree_abs_path, cx);
             needs_summary = self.check_summary_cache(digest.files, cx);
             summaries = self.summarize_files(needs_summary.files, cx);
@@ -324,7 +324,7 @@ impl SummaryIndex {
     ) -> Vec<(Arc<Path>, Option<MTime>)> {
         let entry_db_key = db_key_for_path(&entry.path);
 
-        match digest_db.get(&txn, &entry_db_key) {
+        match digest_db.get(txn, &entry_db_key) {
             Ok(opt_saved_digest) => {
                 // The file path is the same, but the mtime is different. (Or there was no mtime.)
                 // It needs updating, so add it to the backlog! Then, if the backlog is full, drain it and summarize its contents.
@@ -379,18 +379,14 @@ impl SummaryIndex {
                     | project::PathChange::Added
                     | project::PathChange::Updated
                     | project::PathChange::AddedOrUpdated => {
-                        if let Some(entry) = worktree.entry_for_id(*entry_id) {
-                            if entry.is_file() {
-                                let needs_summary = Self::add_to_backlog(
-                                    Arc::clone(&backlog),
-                                    digest_db,
-                                    &txn,
-                                    entry,
-                                );
+                        if let Some(entry) = worktree.entry_for_id(*entry_id)
+                            && entry.is_file()
+                        {
+                            let needs_summary =
+                                Self::add_to_backlog(Arc::clone(&backlog), digest_db, &txn, entry);
 
-                                if !needs_summary.is_empty() {
-                                    tx.send(needs_summary).await?;
-                                }
+                            if !needs_summary.is_empty() {
+                                tx.send(needs_summary).await?;
                             }
                         }
                     }
@@ -575,7 +571,7 @@ impl SummaryIndex {
 
         let code_len = code.len();
         cx.spawn(async move |cx| {
-            let stream = model.stream_completion(request, &cx);
+            let stream = model.stream_completion(request, cx);
             cx.background_spawn(async move {
                 let answer: String = stream
                     .await?
diff --git a/crates/session/src/session.rs b/crates/session/src/session.rs
index f027df8762..438059fef7 100644
--- a/crates/session/src/session.rs
+++ b/crates/session/src/session.rs
@@ -70,11 +70,11 @@ impl AppSession {
         let _serialization_task = cx.spawn(async move |_, cx| {
             let mut current_window_stack = Vec::new();
             loop {
-                if let Some(windows) = cx.update(|cx| window_stack(cx)).ok().flatten() {
-                    if windows != current_window_stack {
-                        store_window_stack(&windows).await;
-                        current_window_stack = windows;
-                    }
+                if let Some(windows) = cx.update(|cx| window_stack(cx)).ok().flatten()
+                    && windows != current_window_stack
+                {
+                    store_window_stack(&windows).await;
+                    current_window_stack = windows;
                 }
 
                 cx.background_executor()
diff --git a/crates/settings/src/base_keymap_setting.rs b/crates/settings/src/base_keymap_setting.rs
index 6916d98ae3..91dda03d00 100644
--- a/crates/settings/src/base_keymap_setting.rs
+++ b/crates/settings/src/base_keymap_setting.rs
@@ -44,7 +44,7 @@ impl BaseKeymap {
         ("Sublime Text", Self::SublimeText),
         ("Emacs (beta)", Self::Emacs),
         ("TextMate", Self::TextMate),
-        ("Cursor (beta)", Self::Cursor),
+        ("Cursor", Self::Cursor),
     ];
 
     #[cfg(not(target_os = "macos"))]
@@ -54,7 +54,7 @@ impl BaseKeymap {
         ("JetBrains", Self::JetBrains),
         ("Sublime Text", Self::SublimeText),
         ("Emacs (beta)", Self::Emacs),
-        ("Cursor (beta)", Self::Cursor),
+        ("Cursor", Self::Cursor),
     ];
 
     pub fn asset_path(&self) -> Option<&'static str> {
diff --git a/crates/settings/src/key_equivalents.rs b/crates/settings/src/key_equivalents.rs
index bf08de97ae..6580137535 100644
--- a/crates/settings/src/key_equivalents.rs
+++ b/crates/settings/src/key_equivalents.rs
@@ -1415,7 +1415,7 @@ pub fn get_key_equivalents(layout: &str) -> Option<HashMap<char, char>> {
         _ => return None,
     };
 
-    Some(HashMap::from_iter(mappings.into_iter().cloned()))
+    Some(HashMap::from_iter(mappings.iter().cloned()))
 }
 
 #[cfg(not(target_os = "macos"))]
diff --git a/crates/settings/src/keymap_file.rs b/crates/settings/src/keymap_file.rs
index 7802671fec..ae3f42853a 100644
--- a/crates/settings/src/keymap_file.rs
+++ b/crates/settings/src/keymap_file.rs
@@ -358,11 +358,11 @@ impl KeymapFile {
                 let action_input = items[1].clone();
                 let action_input_string = action_input.to_string();
                 (
-                    cx.build_action(&name, Some(action_input)),
+                    cx.build_action(name, Some(action_input)),
                     Some(action_input_string),
                 )
             }
-            Value::String(name) => (cx.build_action(&name, None), None),
+            Value::String(name) => (cx.build_action(name, None), None),
             Value::Null => (Ok(NoAction.boxed_clone()), None),
             _ => {
                 return Err(format!(
@@ -543,27 +543,27 @@ impl KeymapFile {
             //
             // When a struct with no deserializable fields is added by deriving `Action`, an empty
             // object schema is produced. The action should be invoked without data in this case.
-            if let Some(schema) = action_schema {
-                if schema != empty_object {
-                    let mut matches_action_name = json_schema!({
-                        "const": name
-                    });
-                    if let Some(desc) = description.clone() {
-                        add_description(&mut matches_action_name, desc);
-                    }
-                    if let Some(message) = deprecation_messages.get(name) {
-                        add_deprecation(&mut matches_action_name, message.to_string());
-                    } else if let Some(new_name) = deprecation {
-                        add_deprecation_preferred_name(&mut matches_action_name, new_name);
-                    }
-                    let action_with_input = json_schema!({
-                        "type": "array",
-                        "items": [matches_action_name, schema],
-                        "minItems": 2,
-                        "maxItems": 2
-                    });
-                    keymap_action_alternatives.push(action_with_input);
+            if let Some(schema) = action_schema
+                && schema != empty_object
+            {
+                let mut matches_action_name = json_schema!({
+                    "const": name
+                });
+                if let Some(desc) = description.clone() {
+                    add_description(&mut matches_action_name, desc);
                 }
+                if let Some(message) = deprecation_messages.get(name) {
+                    add_deprecation(&mut matches_action_name, message.to_string());
+                } else if let Some(new_name) = deprecation {
+                    add_deprecation_preferred_name(&mut matches_action_name, new_name);
+                }
+                let action_with_input = json_schema!({
+                    "type": "array",
+                    "items": [matches_action_name, schema],
+                    "minItems": 2,
+                    "maxItems": 2
+                });
+                keymap_action_alternatives.push(action_with_input);
             }
         }
 
@@ -593,10 +593,10 @@ impl KeymapFile {
         match fs.load(paths::keymap_file()).await {
             result @ Ok(_) => result,
             Err(err) => {
-                if let Some(e) = err.downcast_ref::<std::io::Error>() {
-                    if e.kind() == std::io::ErrorKind::NotFound {
-                        return Ok(crate::initial_keymap_content().to_string());
-                    }
+                if let Some(e) = err.downcast_ref::<std::io::Error>()
+                    && e.kind() == std::io::ErrorKind::NotFound
+                {
+                    return Ok(crate::initial_keymap_content().to_string());
                 }
                 Err(err)
             }
@@ -653,7 +653,7 @@ impl KeymapFile {
             let is_only_binding = keymap.0[index]
                 .bindings
                 .as_ref()
-                .map_or(true, |bindings| bindings.len() == 1);
+                .is_none_or(|bindings| bindings.len() == 1);
             let key_path: &[&str] = if is_only_binding {
                 &[]
             } else {
@@ -703,7 +703,7 @@ impl KeymapFile {
                 } else if keymap.0[index]
                     .bindings
                     .as_ref()
-                    .map_or(true, |bindings| bindings.len() == 1)
+                    .is_none_or(|bindings| bindings.len() == 1)
                 {
                     // if we are replacing the only binding in the section,
                     // just update the section in place, updating the context
@@ -839,7 +839,7 @@ impl KeymapFile {
                     if &action.0 != target_action_value {
                         continue;
                     }
-                    return Some((index, &keystrokes_str));
+                    return Some((index, keystrokes_str));
                 }
             }
             None
@@ -928,14 +928,14 @@ impl<'a> KeybindUpdateTarget<'a> {
         }
         let action_name: Value = self.action_name.into();
         let value = match self.action_arguments {
-            Some(args) => {
+            Some(args) if !args.is_empty() => {
                 let args = serde_json::from_str::<Value>(args)
                     .context("Failed to parse action arguments as JSON")?;
                 serde_json::json!([action_name, args])
             }
-            None => action_name,
+            _ => action_name,
         };
-        return Ok(value);
+        Ok(value)
     }
 
     fn keystrokes_unparsed(&self) -> String {
@@ -1056,10 +1056,10 @@ mod tests {
 
     #[track_caller]
     fn parse_keystrokes(keystrokes: &str) -> Vec<Keystroke> {
-        return keystrokes
+        keystrokes
             .split(' ')
             .map(|s| Keystroke::parse(s).expect("Keystrokes valid"))
-            .collect();
+            .collect()
     }
 
     #[test]
@@ -1084,6 +1084,24 @@ mod tests {
             .unindent(),
         );
 
+        check_keymap_update(
+            "[]",
+            KeybindUpdateOperation::add(KeybindUpdateTarget {
+                keystrokes: &parse_keystrokes("ctrl-a"),
+                action_name: "zed::SomeAction",
+                context: None,
+                action_arguments: Some(""),
+            }),
+            r#"[
+                {
+                    "bindings": {
+                        "ctrl-a": "zed::SomeAction"
+                    }
+                }
+            ]"#
+            .unindent(),
+        );
+
         check_keymap_update(
             r#"[
                 {
diff --git a/crates/settings/src/settings.rs b/crates/settings/src/settings.rs
index afd4ea0890..b73ab9ae95 100644
--- a/crates/settings/src/settings.rs
+++ b/crates/settings/src/settings.rs
@@ -50,11 +50,11 @@ impl WorktreeId {
         Self(id as usize)
     }
 
-    pub fn to_proto(&self) -> u64 {
+    pub fn to_proto(self) -> u64 {
         self.0 as u64
     }
 
-    pub fn to_usize(&self) -> usize {
+    pub fn to_usize(self) -> usize {
         self.0
     }
 }
diff --git a/crates/settings/src/settings_file.rs b/crates/settings/src/settings_file.rs
index c43f3e79e8..d31dd82da4 100644
--- a/crates/settings/src/settings_file.rs
+++ b/crates/settings/src/settings_file.rs
@@ -67,10 +67,10 @@ pub fn watch_config_file(
                     break;
                 }
 
-                if let Ok(contents) = fs.load(&path).await {
-                    if tx.unbounded_send(contents).is_err() {
-                        break;
-                    }
+                if let Ok(contents) = fs.load(&path).await
+                    && tx.unbounded_send(contents).is_err()
+                {
+                    break;
                 }
             }
         })
@@ -88,12 +88,11 @@ pub fn watch_config_dir(
     executor
         .spawn(async move {
             for file_path in &config_paths {
-                if fs.metadata(file_path).await.is_ok_and(|v| v.is_some()) {
-                    if let Ok(contents) = fs.load(file_path).await {
-                        if tx.unbounded_send(contents).is_err() {
-                            return;
-                        }
-                    }
+                if fs.metadata(file_path).await.is_ok_and(|v| v.is_some())
+                    && let Ok(contents) = fs.load(file_path).await
+                    && tx.unbounded_send(contents).is_err()
+                {
+                    return;
                 }
             }
 
@@ -110,10 +109,10 @@ pub fn watch_config_dir(
                                 }
                             }
                             Some(PathEventKind::Created) | Some(PathEventKind::Changed) => {
-                                if let Ok(contents) = fs.load(&event.path).await {
-                                    if tx.unbounded_send(contents).is_err() {
-                                        return;
-                                    }
+                                if let Ok(contents) = fs.load(&event.path).await
+                                    && tx.unbounded_send(contents).is_err()
+                                {
+                                    return;
                                 }
                             }
                             _ => {}
diff --git a/crates/settings/src/settings_json.rs b/crates/settings/src/settings_json.rs
index e6683857e7..f112ec811d 100644
--- a/crates/settings/src/settings_json.rs
+++ b/crates/settings/src/settings_json.rs
@@ -72,7 +72,7 @@ pub fn update_value_in_json_text<'a>(
         }
     } else if key_path
         .last()
-        .map_or(false, |key| preserved_keys.contains(key))
+        .is_some_and(|key| preserved_keys.contains(key))
         || old_value != new_value
     {
         let mut new_value = new_value.clone();
@@ -209,7 +209,7 @@ fn replace_value_in_json_text(
                     if ch == ',' {
                         removal_end = existing_value_range.end + offset + 1;
                         // Also consume whitespace after the comma
-                        while let Some((_, next_ch)) = chars.next() {
+                        for (_, next_ch) in chars.by_ref() {
                             if next_ch.is_whitespace() {
                                 removal_end += next_ch.len_utf8();
                             } else {
@@ -295,9 +295,9 @@ fn replace_value_in_json_text(
     }
 }
 
-const TS_DOCUMENT_KIND: &'static str = "document";
-const TS_ARRAY_KIND: &'static str = "array";
-const TS_COMMENT_KIND: &'static str = "comment";
+const TS_DOCUMENT_KIND: &str = "document";
+const TS_ARRAY_KIND: &str = "array";
+const TS_COMMENT_KIND: &str = "comment";
 
 pub fn replace_top_level_array_value_in_json_text(
     text: &str,
@@ -361,7 +361,7 @@ pub fn replace_top_level_array_value_in_json_text(
     let needs_indent = range.start_point.row > 0;
 
     if new_value.is_none() && key_path.is_empty() {
-        let mut remove_range = text_range.clone();
+        let mut remove_range = text_range;
         if index == 0 {
             while cursor.goto_next_sibling()
                 && (cursor.node().is_extra() || cursor.node().is_missing())
@@ -369,13 +369,12 @@ pub fn replace_top_level_array_value_in_json_text(
             if cursor.node().kind() == "," {
                 remove_range.end = cursor.node().range().end_byte;
             }
-            if let Some(next_newline) = &text[remove_range.end + 1..].find('\n') {
-                if text[remove_range.end + 1..remove_range.end + next_newline]
+            if let Some(next_newline) = &text[remove_range.end + 1..].find('\n')
+                && text[remove_range.end + 1..remove_range.end + next_newline]
                     .chars()
                     .all(|c| c.is_ascii_whitespace())
-                {
-                    remove_range.end = remove_range.end + next_newline;
-                }
+            {
+                remove_range.end = remove_range.end + next_newline;
             }
         } else {
             while cursor.goto_previous_sibling()
@@ -385,7 +384,7 @@ pub fn replace_top_level_array_value_in_json_text(
                 remove_range.start = cursor.node().range().start_byte;
             }
         }
-        return Ok((remove_range, String::new()));
+        Ok((remove_range, String::new()))
     } else {
         let (mut replace_range, mut replace_value) =
             replace_value_in_json_text(value_str, key_path, tab_size, new_value, replace_key);
@@ -406,7 +405,7 @@ pub fn replace_top_level_array_value_in_json_text(
             }
         }
 
-        return Ok((replace_range, replace_value));
+        Ok((replace_range, replace_value))
     }
 }
 
@@ -508,10 +507,10 @@ pub fn append_top_level_array_value_in_json_text(
             replace_value.insert(0, ',');
         }
     } else {
-        if let Some(prev_newline) = text[..replace_range.start].rfind('\n') {
-            if text[prev_newline..replace_range.start].trim().is_empty() {
-                replace_range.start = prev_newline;
-            }
+        if let Some(prev_newline) = text[..replace_range.start].rfind('\n')
+            && text[prev_newline..replace_range.start].trim().is_empty()
+        {
+            replace_range.start = prev_newline;
         }
         let indent = format!("\n{space:width$}", width = tab_size);
         replace_value = replace_value.replace('\n', &indent);
@@ -528,7 +527,7 @@ pub fn append_top_level_array_value_in_json_text(
         let descendant_index = cursor.descendant_index();
         let res = cursor.goto_first_child() && cursor.node().kind() == kind;
         cursor.goto_descendant(descendant_index);
-        return res;
+        res
     }
 }
 
@@ -583,7 +582,7 @@ mod tests {
             expected: String,
         ) {
             let result = replace_value_in_json_text(&input, key_path, 4, value.as_ref(), None);
-            let mut result_str = input.to_string();
+            let mut result_str = input;
             result_str.replace_range(result.0, &result.1);
             pretty_assertions::assert_eq!(expected, result_str);
         }
diff --git a/crates/settings/src/settings_store.rs b/crates/settings/src/settings_store.rs
index 278dcc4c03..3deaed8b9d 100644
--- a/crates/settings/src/settings_store.rs
+++ b/crates/settings/src/settings_store.rs
@@ -2,7 +2,11 @@ use anyhow::{Context as _, Result};
 use collections::{BTreeMap, HashMap, btree_map, hash_map};
 use ec4rs::{ConfigParser, PropertiesSource, Section};
 use fs::Fs;
-use futures::{FutureExt, StreamExt, channel::mpsc, future::LocalBoxFuture};
+use futures::{
+    FutureExt, StreamExt,
+    channel::{mpsc, oneshot},
+    future::LocalBoxFuture,
+};
 use gpui::{App, AsyncApp, BorrowAppContext, Global, Task, UpdateGlobal};
 
 use paths::{EDITORCONFIG_NAME, local_settings_file_relative_path, task_file_name};
@@ -12,6 +16,7 @@ use serde_json::{Value, json};
 use smallvec::SmallVec;
 use std::{
     any::{Any, TypeId, type_name},
+    env,
     fmt::Debug,
     ops::Range,
     path::{Path, PathBuf},
@@ -55,6 +60,11 @@ pub trait Settings: 'static + Send + Sync {
 
     /// The logic for combining together values from one or more JSON files into the
     /// final value for this setting.
+    ///
+    /// # Warning
+    /// `Self::FileContent` deserialized field names should match with `Self` deserialized field names
+    /// otherwise the field won't be deserialized properly and you will get the error:
+    /// "A default setting must be added to the `default.json` file"
     fn load(sources: SettingsSources<Self::FileContent>, cx: &mut App) -> Result<Self>
     where
         Self: Sized;
@@ -122,6 +132,8 @@ pub struct SettingsSources<'a, T> {
     pub user: Option<&'a T>,
     /// The user settings for the current release channel.
     pub release_channel: Option<&'a T>,
+    /// The user settings for the current operating system.
+    pub operating_system: Option<&'a T>,
     /// The settings associated with an enabled settings profile
     pub profile: Option<&'a T>,
     /// The server's settings.
@@ -143,6 +155,7 @@ impl<'a, T: Serialize> SettingsSources<'a, T> {
             .chain(self.extensions)
             .chain(self.user)
             .chain(self.release_channel)
+            .chain(self.operating_system)
             .chain(self.profile)
             .chain(self.server)
             .chain(self.project.iter().copied())
@@ -332,15 +345,19 @@ impl SettingsStore {
                     .log_err();
             }
 
+            let mut os_settings_value = None;
+            if let Some(os_settings) = &self.raw_user_settings.get(env::consts::OS) {
+                os_settings_value = setting_value.deserialize_setting(os_settings).log_err();
+            }
+
             let mut profile_value = None;
-            if let Some(active_profile) = cx.try_global::<ActiveSettingsProfileName>() {
-                if let Some(profiles) = self.raw_user_settings.get("profiles") {
-                    if let Some(profile_settings) = profiles.get(&active_profile.0) {
-                        profile_value = setting_value
-                            .deserialize_setting(profile_settings)
-                            .log_err();
-                    }
-                }
+            if let Some(active_profile) = cx.try_global::<ActiveSettingsProfileName>()
+                && let Some(profiles) = self.raw_user_settings.get("profiles")
+                && let Some(profile_settings) = profiles.get(&active_profile.0)
+            {
+                profile_value = setting_value
+                    .deserialize_setting(profile_settings)
+                    .log_err();
             }
 
             let server_value = self
@@ -362,6 +379,7 @@ impl SettingsStore {
                         extensions: extension_value.as_ref(),
                         user: user_value.as_ref(),
                         release_channel: release_channel_value.as_ref(),
+                        operating_system: os_settings_value.as_ref(),
                         profile: profile_value.as_ref(),
                         server: server_value.as_ref(),
                         project: &[],
@@ -468,10 +486,10 @@ impl SettingsStore {
         match fs.load(paths::settings_file()).await {
             result @ Ok(_) => result,
             Err(err) => {
-                if let Some(e) = err.downcast_ref::<std::io::Error>() {
-                    if e.kind() == std::io::ErrorKind::NotFound {
-                        return Ok(crate::initial_user_settings_content().to_string());
-                    }
+                if let Some(e) = err.downcast_ref::<std::io::Error>()
+                    && e.kind() == std::io::ErrorKind::NotFound
+                {
+                    return Ok(crate::initial_user_settings_content().to_string());
                 }
                 Err(err)
             }
@@ -482,10 +500,10 @@ impl SettingsStore {
         match fs.load(paths::global_settings_file()).await {
             result @ Ok(_) => result,
             Err(err) => {
-                if let Some(e) = err.downcast_ref::<std::io::Error>() {
-                    if e.kind() == std::io::ErrorKind::NotFound {
-                        return Ok("{}".to_string());
-                    }
+                if let Some(e) = err.downcast_ref::<std::io::Error>()
+                    && e.kind() == std::io::ErrorKind::NotFound
+                {
+                    return Ok("{}".to_string());
                 }
                 Err(err)
             }
@@ -531,39 +549,60 @@ impl SettingsStore {
             .ok();
     }
 
-    pub fn import_vscode_settings(&self, fs: Arc<dyn Fs>, vscode_settings: VsCodeSettings) {
+    pub fn import_vscode_settings(
+        &self,
+        fs: Arc<dyn Fs>,
+        vscode_settings: VsCodeSettings,
+    ) -> oneshot::Receiver<Result<()>> {
+        let (tx, rx) = oneshot::channel::<Result<()>>();
         self.setting_file_updates_tx
             .unbounded_send(Box::new(move |cx: AsyncApp| {
                 async move {
-                    let old_text = Self::load_settings(&fs).await?;
-                    let new_text = cx.read_global(|store: &SettingsStore, _cx| {
-                        store.get_vscode_edits(old_text, &vscode_settings)
-                    })?;
-                    let settings_path = paths::settings_file().as_path();
-                    if fs.is_file(settings_path).await {
-                        let resolved_path =
-                            fs.canonicalize(settings_path).await.with_context(|| {
-                                format!("Failed to canonicalize settings path {:?}", settings_path)
-                            })?;
+                    let res = async move {
+                        let old_text = Self::load_settings(&fs).await?;
+                        let new_text = cx.read_global(|store: &SettingsStore, _cx| {
+                            store.get_vscode_edits(old_text, &vscode_settings)
+                        })?;
+                        let settings_path = paths::settings_file().as_path();
+                        if fs.is_file(settings_path).await {
+                            let resolved_path =
+                                fs.canonicalize(settings_path).await.with_context(|| {
+                                    format!(
+                                        "Failed to canonicalize settings path {:?}",
+                                        settings_path
+                                    )
+                                })?;
 
-                        fs.atomic_write(resolved_path.clone(), new_text)
-                            .await
-                            .with_context(|| {
-                                format!("Failed to write settings to file {:?}", resolved_path)
-                            })?;
-                    } else {
-                        fs.atomic_write(settings_path.to_path_buf(), new_text)
-                            .await
-                            .with_context(|| {
-                                format!("Failed to write settings to file {:?}", settings_path)
-                            })?;
+                            fs.atomic_write(resolved_path.clone(), new_text)
+                                .await
+                                .with_context(|| {
+                                    format!("Failed to write settings to file {:?}", resolved_path)
+                                })?;
+                        } else {
+                            fs.atomic_write(settings_path.to_path_buf(), new_text)
+                                .await
+                                .with_context(|| {
+                                    format!("Failed to write settings to file {:?}", settings_path)
+                                })?;
+                        }
+
+                        anyhow::Ok(())
                     }
+                    .await;
 
-                    anyhow::Ok(())
+                    let new_res = match &res {
+                        Ok(_) => anyhow::Ok(()),
+                        Err(e) => Err(anyhow::anyhow!("Failed to write settings to file {:?}", e)),
+                    };
+
+                    _ = tx.send(new_res);
+                    res
                 }
                 .boxed_local()
             }))
             .ok();
+
+        rx
     }
 }
 
@@ -920,13 +959,13 @@ impl SettingsStore {
             let mut setting_schema = setting_value.json_schema(&mut generator);
 
             if let Some(key) = setting_value.key() {
-                if let Some(properties) = combined_schema.get_mut("properties") {
-                    if let Some(properties_obj) = properties.as_object_mut() {
-                        if let Some(target) = properties_obj.get_mut(key) {
-                            merge_schema(target, setting_schema.to_value());
-                        } else {
-                            properties_obj.insert(key.to_string(), setting_schema.to_value());
-                        }
+                if let Some(properties) = combined_schema.get_mut("properties")
+                    && let Some(properties_obj) = properties.as_object_mut()
+                {
+                    if let Some(target) = properties_obj.get_mut(key) {
+                        merge_schema(target, setting_schema.to_value());
+                    } else {
+                        properties_obj.insert(key.to_string(), setting_schema.to_value());
                     }
                 }
             } else {
@@ -1003,16 +1042,15 @@ impl SettingsStore {
                     | "additionalProperties" => {
                         if let Some(old_value) =
                             target_obj.insert(source_key.clone(), source_value.clone())
+                            && old_value != source_value
                         {
-                            if old_value != source_value {
-                                log::error!(
-                                    "bug: while merging JSON schemas, \
+                            log::error!(
+                                "bug: while merging JSON schemas, \
                                     mismatch `\"{}\": {}` (before was `{}`)",
-                                    source_key,
-                                    old_value,
-                                    source_value
-                                );
-                            }
+                                source_key,
+                                old_value,
+                                source_value
+                            );
                         }
                     }
                     _ => {
@@ -1067,7 +1105,7 @@ impl SettingsStore {
             "$schema": meta_schema,
             "title": "Zed Settings",
             "unevaluatedProperties": false,
-            // ZedSettings + settings overrides for each release stage / profiles
+            // ZedSettings + settings overrides for each release stage / OS / profiles
             "allOf": [
                 zed_settings_ref,
                 {
@@ -1076,9 +1114,12 @@ impl SettingsStore {
                         "nightly": zed_settings_override_ref,
                         "stable": zed_settings_override_ref,
                         "preview": zed_settings_override_ref,
+                        "linux": zed_settings_override_ref,
+                        "macos": zed_settings_override_ref,
+                        "windows": zed_settings_override_ref,
                         "profiles": {
                             "type": "object",
-                            "description": "Configures any number of settings profiles that are temporarily applied when selected from `settings profile selector: toggle`.",
+                            "description": "Configures any number of settings profiles.",
                             "additionalProperties": zed_settings_override_ref
                         }
                     }
@@ -1130,28 +1171,31 @@ impl SettingsStore {
             if let Some(release_settings) = &self
                 .raw_user_settings
                 .get(release_channel::RELEASE_CHANNEL.dev_name())
-            {
-                if let Some(release_settings) = setting_value
+                && let Some(release_settings) = setting_value
                     .deserialize_setting(release_settings)
                     .log_err()
-                {
-                    release_channel_settings = Some(release_settings);
-                }
+            {
+                release_channel_settings = Some(release_settings);
+            }
+
+            let mut os_settings = None;
+            if let Some(settings) = &self.raw_user_settings.get(env::consts::OS)
+                && let Some(settings) = setting_value.deserialize_setting(settings).log_err()
+            {
+                os_settings = Some(settings);
             }
 
             let mut profile_settings = None;
-            if let Some(active_profile) = cx.try_global::<ActiveSettingsProfileName>() {
-                if let Some(profiles) = self.raw_user_settings.get("profiles") {
-                    if let Some(profile_json) = profiles.get(&active_profile.0) {
-                        profile_settings =
-                            setting_value.deserialize_setting(profile_json).log_err();
-                    }
-                }
+            if let Some(active_profile) = cx.try_global::<ActiveSettingsProfileName>()
+                && let Some(profiles) = self.raw_user_settings.get("profiles")
+                && let Some(profile_json) = profiles.get(&active_profile.0)
+            {
+                profile_settings = setting_value.deserialize_setting(profile_json).log_err();
             }
 
             // If the global settings file changed, reload the global value for the field.
-            if changed_local_path.is_none() {
-                if let Some(value) = setting_value
+            if changed_local_path.is_none()
+                && let Some(value) = setting_value
                     .load_setting(
                         SettingsSources {
                             default: &default_settings,
@@ -1159,6 +1203,7 @@ impl SettingsStore {
                             extensions: extension_settings.as_ref(),
                             user: user_settings.as_ref(),
                             release_channel: release_channel_settings.as_ref(),
+                            operating_system: os_settings.as_ref(),
                             profile: profile_settings.as_ref(),
                             server: server_settings.as_ref(),
                             project: &[],
@@ -1166,9 +1211,8 @@ impl SettingsStore {
                         cx,
                     )
                     .log_err()
-                {
-                    setting_value.set_global_value(value);
-                }
+            {
+                setting_value.set_global_value(value);
             }
 
             // Reload the local values for the setting.
@@ -1177,12 +1221,12 @@ impl SettingsStore {
             for ((root_id, directory_path), local_settings) in &self.raw_local_settings {
                 // Build a stack of all of the local values for that setting.
                 while let Some(prev_entry) = paths_stack.last() {
-                    if let Some((prev_root_id, prev_path)) = prev_entry {
-                        if root_id != prev_root_id || !directory_path.starts_with(prev_path) {
-                            paths_stack.pop();
-                            project_settings_stack.pop();
-                            continue;
-                        }
+                    if let Some((prev_root_id, prev_path)) = prev_entry
+                        && (root_id != prev_root_id || !directory_path.starts_with(prev_path))
+                    {
+                        paths_stack.pop();
+                        project_settings_stack.pop();
+                        continue;
                     }
                     break;
                 }
@@ -1194,8 +1238,7 @@ impl SettingsStore {
 
                         // If a local settings file changed, then avoid recomputing local
                         // settings for any path outside of that directory.
-                        if changed_local_path.map_or(
-                            false,
+                        if changed_local_path.is_some_and(
                             |(changed_root_id, changed_local_path)| {
                                 *root_id != changed_root_id
                                     || !directory_path.starts_with(changed_local_path)
@@ -1212,6 +1255,7 @@ impl SettingsStore {
                                     extensions: extension_settings.as_ref(),
                                     user: user_settings.as_ref(),
                                     release_channel: release_channel_settings.as_ref(),
+                                    operating_system: os_settings.as_ref(),
                                     profile: profile_settings.as_ref(),
                                     server: server_settings.as_ref(),
                                     project: &project_settings_stack.iter().collect::<Vec<_>>(),
@@ -1338,6 +1382,9 @@ impl<T: Settings> AnySettingValue for SettingValue<T> {
                 release_channel: values
                     .release_channel
                     .map(|value| value.0.downcast_ref::<T::FileContent>().unwrap()),
+                operating_system: values
+                    .operating_system
+                    .map(|value| value.0.downcast_ref::<T::FileContent>().unwrap()),
                 profile: values
                     .profile
                     .map(|value| value.0.downcast_ref::<T::FileContent>().unwrap()),
diff --git a/crates/settings_profile_selector/src/settings_profile_selector.rs b/crates/settings_profile_selector/src/settings_profile_selector.rs
index 8a34c12051..d7ebd6488d 100644
--- a/crates/settings_profile_selector/src/settings_profile_selector.rs
+++ b/crates/settings_profile_selector/src/settings_profile_selector.rs
@@ -126,7 +126,7 @@ impl SettingsProfileSelectorDelegate {
     ) -> Option<String> {
         let mat = self.matches.get(self.selected_index)?;
         let profile_name = self.profile_names.get(mat.candidate_id)?;
-        return Self::update_active_profile_name_global(profile_name.clone(), cx);
+        Self::update_active_profile_name_global(profile_name.clone(), cx)
     }
 
     fn update_active_profile_name_global(
@@ -135,7 +135,7 @@ impl SettingsProfileSelectorDelegate {
     ) -> Option<String> {
         if let Some(profile_name) = profile_name {
             cx.set_global(ActiveSettingsProfileName(profile_name.clone()));
-            return Some(profile_name.clone());
+            return Some(profile_name);
         }
 
         if cx.has_global::<ActiveSettingsProfileName>() {
diff --git a/crates/settings_ui/Cargo.toml b/crates/settings_ui/Cargo.toml
index a4c47081c6..8a151359ec 100644
--- a/crates/settings_ui/Cargo.toml
+++ b/crates/settings_ui/Cargo.toml
@@ -42,8 +42,10 @@ tree-sitter-rust.workspace = true
 ui.workspace = true
 ui_input.workspace = true
 util.workspace = true
+vim.workspace = true
 workspace-hack.workspace = true
 workspace.workspace = true
+zed_actions.workspace = true
 
 [dev-dependencies]
 db = {"workspace"= true, "features" = ["test-support"]}
diff --git a/crates/settings_ui/src/appearance_settings_controls.rs b/crates/settings_ui/src/appearance_settings_controls.rs
index 141ae13182..255f5a36b5 100644
--- a/crates/settings_ui/src/appearance_settings_controls.rs
+++ b/crates/settings_ui/src/appearance_settings_controls.rs
@@ -83,7 +83,7 @@ impl RenderOnce for ThemeControl {
 
         DropdownMenu::new(
             "theme",
-            value.clone(),
+            value,
             ContextMenu::build(window, cx, |mut menu, _, cx| {
                 let theme_registry = ThemeRegistry::global(cx);
 
@@ -204,7 +204,7 @@ impl RenderOnce for UiFontFamilyControl {
             .child(Icon::new(IconName::Font))
             .child(DropdownMenu::new(
                 "ui-font-family",
-                value.clone(),
+                value,
                 ContextMenu::build(window, cx, |mut menu, _, cx| {
                     let font_family_cache = FontFamilyCache::global(cx);
 
diff --git a/crates/settings_ui/src/keybindings.rs b/crates/settings_ui/src/keybindings.rs
index 70afe1729c..288f59c8e0 100644
--- a/crates/settings_ui/src/keybindings.rs
+++ b/crates/settings_ui/src/keybindings.rs
@@ -12,9 +12,11 @@ use fs::Fs;
 use fuzzy::{StringMatch, StringMatchCandidate};
 use gpui::{
     Action, AppContext as _, AsyncApp, Axis, ClickEvent, Context, DismissEvent, Entity,
-    EventEmitter, FocusHandle, Focusable, Global, IsZero, KeyContext, Keystroke, MouseButton,
-    Point, ScrollStrategy, ScrollWheelEvent, Stateful, StyledText, Subscription, Task,
-    TextStyleRefinement, WeakEntity, actions, anchored, deferred, div,
+    EventEmitter, FocusHandle, Focusable, Global, IsZero,
+    KeyBindingContextPredicate::{And, Descendant, Equal, Identifier, Not, NotEqual, Or},
+    KeyContext, Keystroke, MouseButton, Point, ScrollStrategy, ScrollWheelEvent, Stateful,
+    StyledText, Subscription, Task, TextStyleRefinement, WeakEntity, actions, anchored, deferred,
+    div,
 };
 use language::{Language, LanguageConfig, ToOffset as _};
 use notifications::status_toast::{StatusToast, ToastIcon};
@@ -23,7 +25,7 @@ use settings::{BaseKeymap, KeybindSource, KeymapFile, Settings as _, SettingsAss
 use ui::{
     ActiveTheme as _, App, Banner, BorrowAppContext, ContextMenu, IconButtonShape, Indicator,
     Modal, ModalFooter, ModalHeader, ParentElement as _, Render, Section, SharedString,
-    Styled as _, Tooltip, Window, prelude::*,
+    Styled as _, Tooltip, Window, prelude::*, right_click_menu,
 };
 use ui_input::SingleLineInput;
 use util::ResultExt;
@@ -182,15 +184,6 @@ struct KeybindConflict {
     remaining_conflict_amount: usize,
 }
 
-impl KeybindConflict {
-    fn from_iter<'a>(mut indices: impl Iterator<Item = &'a ConflictOrigin>) -> Option<Self> {
-        indices.next().map(|origin| Self {
-            first_conflict_index: origin.index,
-            remaining_conflict_amount: indices.count(),
-        })
-    }
-}
-
 #[derive(Clone, Copy, PartialEq)]
 struct ConflictOrigin {
     override_source: KeybindSource,
@@ -238,13 +231,21 @@ impl ConflictOrigin {
 #[derive(Default)]
 struct ConflictState {
     conflicts: Vec<Option<ConflictOrigin>>,
-    keybind_mapping: HashMap<ActionMapping, Vec<ConflictOrigin>>,
+    keybind_mapping: ConflictKeybindMapping,
     has_user_conflicts: bool,
 }
 
+type ConflictKeybindMapping = HashMap<
+    Vec<Keystroke>,
+    Vec<(
+        Option<gpui::KeyBindingContextPredicate>,
+        Vec<ConflictOrigin>,
+    )>,
+>;
+
 impl ConflictState {
     fn new(key_bindings: &[ProcessedBinding]) -> Self {
-        let mut action_keybind_mapping: HashMap<_, Vec<ConflictOrigin>> = HashMap::default();
+        let mut action_keybind_mapping = ConflictKeybindMapping::default();
 
         let mut largest_index = 0;
         for (index, binding) in key_bindings
@@ -252,29 +253,48 @@ impl ConflictState {
             .enumerate()
             .flat_map(|(index, binding)| Some(index).zip(binding.keybind_information()))
         {
-            action_keybind_mapping
-                .entry(binding.get_action_mapping())
-                .or_default()
-                .push(ConflictOrigin::new(binding.source, index));
+            let mapping = binding.get_action_mapping();
+            let predicate = mapping
+                .context
+                .and_then(|ctx| gpui::KeyBindingContextPredicate::parse(&ctx).ok());
+            let entry = action_keybind_mapping
+                .entry(mapping.keystrokes)
+                .or_default();
+            let origin = ConflictOrigin::new(binding.source, index);
+            if let Some((_, origins)) =
+                entry
+                    .iter_mut()
+                    .find(|(other_predicate, _)| match (&predicate, other_predicate) {
+                        (None, None) => true,
+                        (Some(a), Some(b)) => normalized_ctx_eq(a, b),
+                        _ => false,
+                    })
+            {
+                origins.push(origin);
+            } else {
+                entry.push((predicate, vec![origin]));
+            }
             largest_index = index;
         }
 
         let mut conflicts = vec![None; largest_index + 1];
         let mut has_user_conflicts = false;
 
-        for indices in action_keybind_mapping.values_mut() {
-            indices.sort_unstable_by_key(|origin| origin.override_source);
-            let Some((fst, snd)) = indices.get(0).zip(indices.get(1)) else {
-                continue;
-            };
+        for entries in action_keybind_mapping.values_mut() {
+            for (_, indices) in entries.iter_mut() {
+                indices.sort_unstable_by_key(|origin| origin.override_source);
+                let Some((fst, snd)) = indices.get(0).zip(indices.get(1)) else {
+                    continue;
+                };
 
-            for origin in indices.iter() {
-                conflicts[origin.index] =
-                    origin.get_conflict_with(if origin == fst { &snd } else { &fst })
+                for origin in indices.iter() {
+                    conflicts[origin.index] =
+                        origin.get_conflict_with(if origin == fst { snd } else { fst })
+                }
+
+                has_user_conflicts |= fst.override_source == KeybindSource::User
+                    && snd.override_source == KeybindSource::User;
             }
-
-            has_user_conflicts |= fst.override_source == KeybindSource::User
-                && snd.override_source == KeybindSource::User;
         }
 
         Self {
@@ -289,15 +309,34 @@ impl ConflictState {
         action_mapping: &ActionMapping,
         keybind_idx: Option<usize>,
     ) -> Option<KeybindConflict> {
-        self.keybind_mapping
-            .get(action_mapping)
-            .and_then(|indices| {
-                KeybindConflict::from_iter(
-                    indices
+        let ActionMapping {
+            keystrokes,
+            context,
+        } = action_mapping;
+        let predicate = context
+            .as_deref()
+            .and_then(|ctx| gpui::KeyBindingContextPredicate::parse(&ctx).ok());
+        self.keybind_mapping.get(keystrokes).and_then(|entries| {
+            entries
+                .iter()
+                .find_map(|(other_predicate, indices)| {
+                    match (&predicate, other_predicate) {
+                        (None, None) => true,
+                        (Some(pred), Some(other)) => normalized_ctx_eq(pred, other),
+                        _ => false,
+                    }
+                    .then_some(indices)
+                })
+                .and_then(|indices| {
+                    let mut indices = indices
                         .iter()
-                        .filter(|&conflict| Some(conflict.index) != keybind_idx),
-                )
-            })
+                        .filter(|&conflict| Some(conflict.index) != keybind_idx);
+                    indices.next().map(|origin| KeybindConflict {
+                        first_conflict_index: origin.index,
+                        remaining_conflict_amount: indices.count(),
+                    })
+                })
+        })
     }
 
     fn conflict_for_idx(&self, idx: usize) -> Option<ConflictOrigin> {
@@ -374,6 +413,14 @@ impl Focusable for KeymapEditor {
         }
     }
 }
+/// Helper function to check if two keystroke sequences match exactly
+fn keystrokes_match_exactly(keystrokes1: &[Keystroke], keystrokes2: &[Keystroke]) -> bool {
+    keystrokes1.len() == keystrokes2.len()
+        && keystrokes1
+            .iter()
+            .zip(keystrokes2)
+            .all(|(k1, k2)| k1.key == k2.key && k1.modifiers == k2.modifiers)
+}
 
 impl KeymapEditor {
     fn new(workspace: WeakEntity<Workspace>, window: &mut Window, cx: &mut Context<Self>) -> Self {
@@ -464,13 +511,7 @@ impl KeymapEditor {
 
     fn current_keystroke_query(&self, cx: &App) -> Vec<Keystroke> {
         match self.search_mode {
-            SearchMode::KeyStroke { .. } => self
-                .keystroke_editor
-                .read(cx)
-                .keystrokes()
-                .iter()
-                .cloned()
-                .collect(),
+            SearchMode::KeyStroke { .. } => self.keystroke_editor.read(cx).keystrokes().to_vec(),
             SearchMode::Normal => Default::default(),
         }
     }
@@ -549,15 +590,9 @@ impl KeymapEditor {
                             .keystrokes()
                             .is_some_and(|keystrokes| {
                                 if exact_match {
-                                    keystroke_query.len() == keystrokes.len()
-                                        && keystroke_query.iter().zip(keystrokes).all(
-                                            |(query, keystroke)| {
-                                                query.key == keystroke.key
-                                                    && query.modifiers == keystroke.modifiers
-                                            },
-                                        )
+                                    keystrokes_match_exactly(&keystroke_query, keystrokes)
                                 } else if keystroke_query.len() > keystrokes.len() {
-                                    return false;
+                                    false
                                 } else {
                                     for keystroke_offset in 0..keystrokes.len() {
                                         let mut found_count = 0;
@@ -572,12 +607,9 @@ impl KeymapEditor {
                                                 query.modifiers.is_subset_of(&keystroke.modifiers)
                                                     && ((query.key.is_empty()
                                                         || query.key == keystroke.key)
-                                                        && query
-                                                            .key_char
-                                                            .as_ref()
-                                                            .map_or(true, |q_kc| {
-                                                                q_kc == &keystroke.key
-                                                            }));
+                                                        && query.key_char.as_ref().is_none_or(
+                                                            |q_kc| q_kc == &keystroke.key,
+                                                        ));
                                             if matches {
                                                 found_count += 1;
                                                 query_cursor += 1;
@@ -589,7 +621,7 @@ impl KeymapEditor {
                                             return true;
                                         }
                                     }
-                                    return false;
+                                    false
                                 }
                             })
                     });
@@ -628,8 +660,7 @@ impl KeymapEditor {
         let key_bindings_ptr = cx.key_bindings();
         let lock = key_bindings_ptr.borrow();
         let key_bindings = lock.bindings();
-        let mut unmapped_action_names =
-            HashSet::from_iter(cx.all_action_names().into_iter().copied());
+        let mut unmapped_action_names = HashSet::from_iter(cx.all_action_names().iter().copied());
         let action_documentation = cx.action_documentation();
         let mut generator = KeymapFile::action_schema_generator();
         let actions_with_schemas = HashSet::from_iter(
@@ -671,8 +702,8 @@ impl KeymapEditor {
                 action_name,
                 action_arguments,
                 &actions_with_schemas,
-                &action_documentation,
-                &humanized_action_names,
+                action_documentation,
+                humanized_action_names,
             );
 
             let index = processed_bindings.len();
@@ -694,8 +725,8 @@ impl KeymapEditor {
                 action_name,
                 None,
                 &actions_with_schemas,
-                &action_documentation,
-                &humanized_action_names,
+                action_documentation,
+                humanized_action_names,
             );
             let string_match_candidate =
                 StringMatchCandidate::new(index, &action_information.humanized_name);
@@ -1190,8 +1221,8 @@ impl KeymapEditor {
             return;
         };
 
-        telemetry::event!("Keybinding Context Copied", context = context.clone());
-        cx.write_to_clipboard(gpui::ClipboardItem::new_string(context.clone()));
+        telemetry::event!("Keybinding Context Copied", context = context);
+        cx.write_to_clipboard(gpui::ClipboardItem::new_string(context));
     }
 
     fn copy_action_to_clipboard(
@@ -1207,8 +1238,8 @@ impl KeymapEditor {
             return;
         };
 
-        telemetry::event!("Keybinding Action Copied", action = action.clone());
-        cx.write_to_clipboard(gpui::ClipboardItem::new_string(action.clone()));
+        telemetry::event!("Keybinding Action Copied", action = action);
+        cx.write_to_clipboard(gpui::ClipboardItem::new_string(action));
     }
 
     fn toggle_conflict_filter(
@@ -1296,7 +1327,7 @@ struct HumanizedActionNameCache {
 
 impl HumanizedActionNameCache {
     fn new(cx: &App) -> Self {
-        let cache = HashMap::from_iter(cx.all_action_names().into_iter().map(|&action_name| {
+        let cache = HashMap::from_iter(cx.all_action_names().iter().map(|&action_name| {
             (
                 action_name,
                 command_palette::humanize_action_name(action_name).into(),
@@ -1472,7 +1503,7 @@ impl RenderOnce for KeybindContextString {
     fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
         match self {
             KeybindContextString::Global => {
-                muted_styled_text(KeybindContextString::GLOBAL.clone(), cx).into_any_element()
+                muted_styled_text(KeybindContextString::GLOBAL, cx).into_any_element()
             }
             KeybindContextString::Local(name, language) => {
                 SyntaxHighlightedText::new(name, language).into_any_element()
@@ -1534,6 +1565,33 @@ impl Render for KeymapEditor {
                     .child(
                         h_flex()
                             .gap_2()
+                            .child(
+                                right_click_menu("open-keymap-menu")
+                                    .menu(|window, cx| {
+                                        ContextMenu::build(window, cx, |menu, _, _| {
+                                            menu.header("Open Keymap JSON")
+                                                .action("User", zed_actions::OpenKeymap.boxed_clone())
+                                                .action("Zed Default", zed_actions::OpenDefaultKeymap.boxed_clone())
+                                                .action("Vim Default", vim::OpenDefaultKeymap.boxed_clone())
+                                        })
+                                    })
+                                    .anchor(gpui::Corner::TopLeft)
+                                    .trigger(|open, _, _|
+                                        IconButton::new(
+                                            "OpenKeymapJsonButton",
+                                            IconName::Json
+                                        )
+                                        .shape(ui::IconButtonShape::Square)
+                                        .when(!open, |this|
+                                            this.tooltip(move |window, cx| {
+                                                Tooltip::with_meta("Open Keymap JSON", Some(&zed_actions::OpenKeymap),"Right click to view more options", window, cx)
+                                            })
+                                        )
+                                        .on_click(|_, window, cx| {
+                                            window.dispatch_action(zed_actions::OpenKeymap.boxed_clone(), cx);
+                                        })
+                                    )
+                            )
                             .child(
                                 div()
                                     .key_context({
@@ -1729,7 +1787,7 @@ impl Render for KeymapEditor {
                                             } else {
                                                 const NULL: SharedString =
                                                     SharedString::new_static("<null>");
-                                                muted_styled_text(NULL.clone(), cx)
+                                                muted_styled_text(NULL, cx)
                                                     .into_any_element()
                                             }
                                         })
@@ -1837,25 +1895,22 @@ impl Render for KeymapEditor {
                                                   mouse_down_event: &gpui::MouseDownEvent,
                                                   window,
                                                   cx| {
-                                                match mouse_down_event.button {
-                                                    MouseButton::Right => {
-                                                        this.select_index(
-                                                            row_index, None, window, cx,
-                                                        );
-                                                        this.create_context_menu(
-                                                            mouse_down_event.position,
-                                                            window,
-                                                            cx,
-                                                        );
-                                                    }
-                                                    _ => {}
+                                                if mouse_down_event.button == MouseButton::Right {
+                                                    this.select_index(
+                                                        row_index, None, window, cx,
+                                                    );
+                                                    this.create_context_menu(
+                                                        mouse_down_event.position,
+                                                        window,
+                                                        cx,
+                                                    );
                                                 }
                                             },
                                         ))
                                         .on_click(cx.listener(
                                             move |this, event: &ClickEvent, window, cx| {
                                                 this.select_index(row_index, None, window, cx);
-                                                if event.up.click_count == 2 {
+                                                if event.click_count() == 2 {
                                                     this.open_edit_keybinding_modal(
                                                         false, window, cx,
                                                     );
@@ -1992,21 +2047,21 @@ impl RenderOnce for SyntaxHighlightedText {
 
 #[derive(PartialEq)]
 struct InputError {
-    severity: ui::Severity,
+    severity: Severity,
     content: SharedString,
 }
 
 impl InputError {
     fn warning(message: impl Into<SharedString>) -> Self {
         Self {
-            severity: ui::Severity::Warning,
+            severity: Severity::Warning,
             content: message.into(),
         }
     }
 
     fn error(message: anyhow::Error) -> Self {
         Self {
-            severity: ui::Severity::Error,
+            severity: Severity::Error,
             content: message.to_string().into(),
         }
     }
@@ -2133,9 +2188,11 @@ impl KeybindingEditorModal {
     }
 
     fn set_error(&mut self, error: InputError, cx: &mut Context<Self>) -> bool {
-        if self.error.as_ref().is_some_and(|old_error| {
-            old_error.severity == ui::Severity::Warning && *old_error == error
-        }) {
+        if self
+            .error
+            .as_ref()
+            .is_some_and(|old_error| old_error.severity == Severity::Warning && *old_error == error)
+        {
             false
         } else {
             self.error = Some(error);
@@ -2148,7 +2205,8 @@ impl KeybindingEditorModal {
         let action_arguments = self
             .action_arguments_editor
             .as_ref()
-            .map(|editor| editor.read(cx).editor.read(cx).text(cx));
+            .map(|arguments_editor| arguments_editor.read(cx).editor.read(cx).text(cx))
+            .filter(|args| !args.is_empty());
 
         let value = action_arguments
             .as_ref()
@@ -2157,7 +2215,7 @@ impl KeybindingEditorModal {
             })
             .transpose()?;
 
-        cx.build_action(&self.editing_keybind.action().name, value)
+        cx.build_action(self.editing_keybind.action().name, value)
             .context("Failed to validate action arguments")?;
         Ok(action_arguments)
     }
@@ -2259,29 +2317,11 @@ impl KeybindingEditorModal {
 
         let create = self.creating;
 
-        let status_toast = StatusToast::new(
-            format!(
-                "Saved edits to the {} action.",
-                &self.editing_keybind.action().humanized_name
-            ),
-            cx,
-            move |this, _cx| {
-                this.icon(ToastIcon::new(IconName::Check).color(Color::Success))
-                    .dismiss_button(true)
-                // .action("Undo", f) todo: wire the undo functionality
-            },
-        );
-
-        self.workspace
-            .update(cx, |workspace, cx| {
-                workspace.toggle_status_toast(status_toast, cx);
-            })
-            .log_err();
-
         cx.spawn(async move |this, cx| {
             let action_name = existing_keybind.action().name;
+            let humanized_action_name = existing_keybind.action().humanized_name.clone();
 
-            if let Err(err) = save_keybinding_update(
+            match save_keybinding_update(
                 create,
                 existing_keybind,
                 &action_mapping,
@@ -2291,25 +2331,43 @@ impl KeybindingEditorModal {
             )
             .await
             {
-                this.update(cx, |this, cx| {
-                    this.set_error(InputError::error(err), cx);
-                })
-                .log_err();
-            } else {
-                this.update(cx, |this, cx| {
-                    this.keymap_editor.update(cx, |keymap, cx| {
-                        keymap.previous_edit = Some(PreviousEdit::Keybinding {
-                            action_mapping,
-                            action_name,
-                            fallback: keymap
-                                .table_interaction_state
-                                .read(cx)
-                                .get_scrollbar_offset(Axis::Vertical),
-                        })
-                    });
-                    cx.emit(DismissEvent);
-                })
-                .ok();
+                Ok(_) => {
+                    this.update(cx, |this, cx| {
+                        this.keymap_editor.update(cx, |keymap, cx| {
+                            keymap.previous_edit = Some(PreviousEdit::Keybinding {
+                                action_mapping,
+                                action_name,
+                                fallback: keymap
+                                    .table_interaction_state
+                                    .read(cx)
+                                    .get_scrollbar_offset(Axis::Vertical),
+                            });
+                            let status_toast = StatusToast::new(
+                                format!("Saved edits to the {} action.", humanized_action_name),
+                                cx,
+                                move |this, _cx| {
+                                    this.icon(ToastIcon::new(IconName::Check).color(Color::Success))
+                                        .dismiss_button(true)
+                                    // .action("Undo", f) todo: wire the undo functionality
+                                },
+                            );
+
+                            this.workspace
+                                .update(cx, |workspace, cx| {
+                                    workspace.toggle_status_toast(status_toast, cx);
+                                })
+                                .log_err();
+                        });
+                        cx.emit(DismissEvent);
+                    })
+                    .ok();
+                }
+                Err(err) => {
+                    this.update(cx, |this, cx| {
+                        this.set_error(InputError::error(err), cx);
+                    })
+                    .log_err();
+                }
             }
         })
         .detach();
@@ -2340,8 +2398,50 @@ impl KeybindingEditorModal {
         self.save_or_display_error(cx);
     }
 
-    fn cancel(&mut self, _: &menu::Cancel, _window: &mut Window, cx: &mut Context<Self>) {
-        cx.emit(DismissEvent)
+    fn cancel(&mut self, _: &menu::Cancel, _: &mut Window, cx: &mut Context<Self>) {
+        cx.emit(DismissEvent);
+    }
+
+    fn get_matching_bindings_count(&self, cx: &Context<Self>) -> usize {
+        let current_keystrokes = self.keybind_editor.read(cx).keystrokes().to_vec();
+
+        if current_keystrokes.is_empty() {
+            return 0;
+        }
+
+        self.keymap_editor
+            .read(cx)
+            .keybindings
+            .iter()
+            .enumerate()
+            .filter(|(idx, binding)| {
+                // Don't count the binding we're currently editing
+                if !self.creating && *idx == self.editing_keybind_idx {
+                    return false;
+                }
+
+                binding
+                    .keystrokes()
+                    .map(|keystrokes| keystrokes_match_exactly(keystrokes, &current_keystrokes))
+                    .unwrap_or(false)
+            })
+            .count()
+    }
+
+    fn show_matching_bindings(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
+        let keystrokes = self.keybind_editor.read(cx).keystrokes().to_vec();
+
+        // Dismiss the modal
+        cx.emit(DismissEvent);
+
+        // Update the keymap editor to show matching keystrokes
+        self.keymap_editor.update(cx, |editor, cx| {
+            editor.filter_state = FilterState::All;
+            editor.search_mode = SearchMode::KeyStroke { exact_match: true };
+            editor.keystroke_editor.update(cx, |keystroke_editor, cx| {
+                keystroke_editor.set_keystrokes(keystrokes, cx);
+            });
+        });
     }
 }
 
@@ -2356,6 +2456,7 @@ fn remove_key_char(Keystroke { modifiers, key, .. }: Keystroke) -> Keystroke {
 impl Render for KeybindingEditorModal {
     fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let theme = cx.theme().colors();
+        let matching_bindings_count = self.get_matching_bindings_count(cx);
 
         v_flex()
             .w(rems(34.))
@@ -2370,6 +2471,7 @@ impl Render for KeybindingEditorModal {
                     .header(
                         ModalHeader::new().child(
                             v_flex()
+                                .w_full()
                                 .pb_1p5()
                                 .mb_1()
                                 .gap_0p5()
@@ -2393,17 +2495,55 @@ impl Render for KeybindingEditorModal {
                     .section(
                         Section::new().child(
                             v_flex()
-                                .gap_2()
+                                .gap_2p5()
                                 .child(
                                     v_flex()
-                                        .child(Label::new("Edit Keystroke"))
                                         .gap_1()
-                                        .child(self.keybind_editor.clone()),
+                                        .child(Label::new("Edit Keystroke"))
+                                        .child(self.keybind_editor.clone())
+                                        .child(h_flex().gap_px().when(
+                                            matching_bindings_count > 0,
+                                            |this| {
+                                                let label = format!(
+                                                    "There {} {} {} with the same keystrokes.",
+                                                    if matching_bindings_count == 1 {
+                                                        "is"
+                                                    } else {
+                                                        "are"
+                                                    },
+                                                    matching_bindings_count,
+                                                    if matching_bindings_count == 1 {
+                                                        "binding"
+                                                    } else {
+                                                        "bindings"
+                                                    }
+                                                );
+
+                                                this.child(
+                                                    Label::new(label)
+                                                        .size(LabelSize::Small)
+                                                        .color(Color::Muted),
+                                                )
+                                                .child(
+                                                    Button::new("show_matching", "View")
+                                                        .label_size(LabelSize::Small)
+                                                        .icon(IconName::ArrowUpRight)
+                                                        .icon_color(Color::Muted)
+                                                        .icon_size(IconSize::Small)
+                                                        .on_click(cx.listener(
+                                                            |this, _, window, cx| {
+                                                                this.show_matching_bindings(
+                                                                    window, cx,
+                                                                );
+                                                            },
+                                                        )),
+                                                )
+                                            },
+                                        )),
                                 )
                                 .when_some(self.action_arguments_editor.clone(), |this, editor| {
                                     this.child(
                                         v_flex()
-                                            .mt_1p5()
                                             .gap_1()
                                             .child(Label::new("Edit Arguments"))
                                             .child(editor),
@@ -2414,14 +2554,7 @@ impl Render for KeybindingEditorModal {
                                     this.child(
                                         Banner::new()
                                             .severity(error.severity)
-                                            // For some reason, the div overflows its container to the
-                                            //right. The padding accounts for that.
-                                            .child(
-                                                div()
-                                                    .size_full()
-                                                    .pr_2()
-                                                    .child(Label::new(error.content.clone())),
-                                            ),
+                                            .child(Label::new(error.content.clone())),
                                     )
                                 }),
                         ),
@@ -2614,7 +2747,7 @@ impl ActionArgumentsEditor {
                 })
                 .ok();
             }
-            return result;
+            result
         })
         .detach_and_log_err(cx);
         Self {
@@ -2717,7 +2850,7 @@ impl Render for ActionArgumentsEditor {
         self.editor
             .update(cx, |editor, _| editor.set_text_style_refinement(text_style));
 
-        return v_flex().w_full().child(
+        v_flex().w_full().child(
             h_flex()
                 .min_h_8()
                 .min_w_48()
@@ -2730,7 +2863,7 @@ impl Render for ActionArgumentsEditor {
                 .border_color(border_color)
                 .track_focus(&self.focus_handle)
                 .child(self.editor.clone()),
-        );
+        )
     }
 }
 
@@ -2757,11 +2890,8 @@ impl CompletionProvider for KeyContextCompletionProvider {
                 break;
             }
         }
-        let start_anchor = buffer.anchor_before(
-            buffer_position
-                .to_offset(&buffer)
-                .saturating_sub(count_back),
-        );
+        let start_anchor =
+            buffer.anchor_before(buffer_position.to_offset(buffer).saturating_sub(count_back));
         let replace_range = start_anchor..buffer_position;
         gpui::Task::ready(Ok(vec![project::CompletionResponse {
             completions: self
@@ -2791,9 +2921,9 @@ impl CompletionProvider for KeyContextCompletionProvider {
         _menu_is_open: bool,
         _cx: &mut Context<Editor>,
     ) -> bool {
-        text.chars().last().map_or(false, |last_char| {
-            last_char.is_ascii_alphanumeric() || last_char == '_'
-        })
+        text.chars()
+            .last()
+            .is_some_and(|last_char| last_char.is_ascii_alphanumeric() || last_char == '_')
     }
 }
 
@@ -2812,7 +2942,7 @@ async fn load_json_language(workspace: WeakEntity<Workspace>, cx: &mut AsyncApp)
         Some(task) => task.await.context("Failed to load JSON language").log_err(),
         None => None,
     };
-    return json_language.unwrap_or_else(|| {
+    json_language.unwrap_or_else(|| {
         Arc::new(Language::new(
             LanguageConfig {
                 name: "JSON".into(),
@@ -2820,7 +2950,7 @@ async fn load_json_language(workspace: WeakEntity<Workspace>, cx: &mut AsyncApp)
             },
             Some(tree_sitter_json::LANGUAGE.into()),
         ))
-    });
+    })
 }
 
 async fn load_keybind_context_language(
@@ -2844,7 +2974,7 @@ async fn load_keybind_context_language(
             .log_err(),
         None => None,
     };
-    return language.unwrap_or_else(|| {
+    language.unwrap_or_else(|| {
         Arc::new(Language::new(
             LanguageConfig {
                 name: "Zed Keybind Context".into(),
@@ -2852,7 +2982,7 @@ async fn load_keybind_context_language(
             },
             Some(tree_sitter_rust::LANGUAGE.into()),
         ))
-    });
+    })
 }
 
 async fn save_keybinding_update(
@@ -2878,14 +3008,14 @@ async fn save_keybinding_update(
     let target = settings::KeybindUpdateTarget {
         context: existing_context,
         keystrokes: existing_keystrokes,
-        action_name: &existing.action().name,
+        action_name: existing.action().name,
         action_arguments: existing_args,
     };
 
     let source = settings::KeybindUpdateTarget {
         context: action_mapping.context.as_ref().map(|a| &***a),
         keystrokes: &action_mapping.keystrokes,
-        action_name: &existing.action().name,
+        action_name: existing.action().name,
         action_arguments: new_args,
     };
 
@@ -2906,7 +3036,7 @@ async fn save_keybinding_update(
 
     let updated_keymap_contents =
         settings::KeymapFile::update_keybinding(operation, keymap_contents, tab_size)
-            .context("Failed to update keybinding")?;
+            .map_err(|err| anyhow::anyhow!("Could not save updated keybinding: {}", err))?;
     fs.write(
         paths::keymap_file().as_path(),
         updated_keymap_contents.as_bytes(),
@@ -2939,7 +3069,7 @@ async fn remove_keybinding(
         target: settings::KeybindUpdateTarget {
             context: existing.context().and_then(KeybindContextString::local_str),
             keystrokes,
-            action_name: &existing.action().name,
+            action_name: existing.action().name,
             action_arguments: existing
                 .action()
                 .arguments
@@ -2998,29 +3128,29 @@ fn collect_contexts_from_assets() -> Vec<SharedString> {
             queue.push(root_context);
             while let Some(context) = queue.pop() {
                 match context {
-                    gpui::KeyBindingContextPredicate::Identifier(ident) => {
+                    Identifier(ident) => {
                         contexts.insert(ident);
                     }
-                    gpui::KeyBindingContextPredicate::Equal(ident_a, ident_b) => {
+                    Equal(ident_a, ident_b) => {
                         contexts.insert(ident_a);
                         contexts.insert(ident_b);
                     }
-                    gpui::KeyBindingContextPredicate::NotEqual(ident_a, ident_b) => {
+                    NotEqual(ident_a, ident_b) => {
                         contexts.insert(ident_a);
                         contexts.insert(ident_b);
                     }
-                    gpui::KeyBindingContextPredicate::Descendant(ctx_a, ctx_b) => {
+                    Descendant(ctx_a, ctx_b) => {
                         queue.push(*ctx_a);
                         queue.push(*ctx_b);
                     }
-                    gpui::KeyBindingContextPredicate::Not(ctx) => {
+                    Not(ctx) => {
                         queue.push(*ctx);
                     }
-                    gpui::KeyBindingContextPredicate::And(ctx_a, ctx_b) => {
+                    And(ctx_a, ctx_b) => {
                         queue.push(*ctx_a);
                         queue.push(*ctx_b);
                     }
-                    gpui::KeyBindingContextPredicate::Or(ctx_a, ctx_b) => {
+                    Or(ctx_a, ctx_b) => {
                         queue.push(*ctx_a);
                         queue.push(*ctx_b);
                     }
@@ -3032,7 +3162,128 @@ fn collect_contexts_from_assets() -> Vec<SharedString> {
     let mut contexts = contexts.into_iter().collect::<Vec<_>>();
     contexts.sort();
 
-    return contexts;
+    contexts
+}
+
+fn normalized_ctx_eq(
+    a: &gpui::KeyBindingContextPredicate,
+    b: &gpui::KeyBindingContextPredicate,
+) -> bool {
+    use gpui::KeyBindingContextPredicate::*;
+    return match (a, b) {
+        (Identifier(_), Identifier(_)) => a == b,
+        (Equal(a_left, a_right), Equal(b_left, b_right)) => {
+            (a_left == b_left && a_right == b_right) || (a_left == b_right && a_right == b_left)
+        }
+        (NotEqual(a_left, a_right), NotEqual(b_left, b_right)) => {
+            (a_left == b_left && a_right == b_right) || (a_left == b_right && a_right == b_left)
+        }
+        (Descendant(a_parent, a_child), Descendant(b_parent, b_child)) => {
+            normalized_ctx_eq(a_parent, b_parent) && normalized_ctx_eq(a_child, b_child)
+        }
+        (Not(a_expr), Not(b_expr)) => normalized_ctx_eq(a_expr, b_expr),
+        // Handle double negation: !(!a) == a
+        (Not(a_expr), b) if matches!(a_expr.as_ref(), Not(_)) => {
+            let Not(a_inner) = a_expr.as_ref() else {
+                unreachable!();
+            };
+            normalized_ctx_eq(b, a_inner)
+        }
+        (a, Not(b_expr)) if matches!(b_expr.as_ref(), Not(_)) => {
+            let Not(b_inner) = b_expr.as_ref() else {
+                unreachable!();
+            };
+            normalized_ctx_eq(a, b_inner)
+        }
+        (And(a_left, a_right), And(b_left, b_right))
+            if matches!(a_left.as_ref(), And(_, _))
+                || matches!(a_right.as_ref(), And(_, _))
+                || matches!(b_left.as_ref(), And(_, _))
+                || matches!(b_right.as_ref(), And(_, _)) =>
+        {
+            let mut a_operands = Vec::new();
+            flatten_and(a, &mut a_operands);
+            let mut b_operands = Vec::new();
+            flatten_and(b, &mut b_operands);
+            compare_operand_sets(&a_operands, &b_operands)
+        }
+        (And(a_left, a_right), And(b_left, b_right)) => {
+            (normalized_ctx_eq(a_left, b_left) && normalized_ctx_eq(a_right, b_right))
+                || (normalized_ctx_eq(a_left, b_right) && normalized_ctx_eq(a_right, b_left))
+        }
+        (Or(a_left, a_right), Or(b_left, b_right))
+            if matches!(a_left.as_ref(), Or(_, _))
+                || matches!(a_right.as_ref(), Or(_, _))
+                || matches!(b_left.as_ref(), Or(_, _))
+                || matches!(b_right.as_ref(), Or(_, _)) =>
+        {
+            let mut a_operands = Vec::new();
+            flatten_or(a, &mut a_operands);
+            let mut b_operands = Vec::new();
+            flatten_or(b, &mut b_operands);
+            compare_operand_sets(&a_operands, &b_operands)
+        }
+        (Or(a_left, a_right), Or(b_left, b_right)) => {
+            (normalized_ctx_eq(a_left, b_left) && normalized_ctx_eq(a_right, b_right))
+                || (normalized_ctx_eq(a_left, b_right) && normalized_ctx_eq(a_right, b_left))
+        }
+        _ => false,
+    };
+
+    fn flatten_and<'a>(
+        pred: &'a gpui::KeyBindingContextPredicate,
+        operands: &mut Vec<&'a gpui::KeyBindingContextPredicate>,
+    ) {
+        use gpui::KeyBindingContextPredicate::*;
+        match pred {
+            And(left, right) => {
+                flatten_and(left, operands);
+                flatten_and(right, operands);
+            }
+            _ => operands.push(pred),
+        }
+    }
+
+    fn flatten_or<'a>(
+        pred: &'a gpui::KeyBindingContextPredicate,
+        operands: &mut Vec<&'a gpui::KeyBindingContextPredicate>,
+    ) {
+        use gpui::KeyBindingContextPredicate::*;
+        match pred {
+            Or(left, right) => {
+                flatten_or(left, operands);
+                flatten_or(right, operands);
+            }
+            _ => operands.push(pred),
+        }
+    }
+
+    fn compare_operand_sets(
+        a: &[&gpui::KeyBindingContextPredicate],
+        b: &[&gpui::KeyBindingContextPredicate],
+    ) -> bool {
+        if a.len() != b.len() {
+            return false;
+        }
+
+        // For each operand in a, find a matching operand in b
+        let mut b_matched = vec![false; b.len()];
+        for a_operand in a {
+            let mut found = false;
+            for (b_idx, b_operand) in b.iter().enumerate() {
+                if !b_matched[b_idx] && normalized_ctx_eq(a_operand, b_operand) {
+                    b_matched[b_idx] = true;
+                    found = true;
+                    break;
+                }
+            }
+            if !found {
+                return false;
+            }
+        }
+
+        true
+    }
 }
 
 impl SerializableItem for KeymapEditor {
@@ -3097,12 +3348,15 @@ impl SerializableItem for KeymapEditor {
 }
 
 mod persistence {
-    use db::{define_connection, query, sqlez_macros::sql};
+    use db::{query, sqlez::domain::Domain, sqlez_macros::sql};
     use workspace::WorkspaceDb;
 
-    define_connection! {
-        pub static ref KEYBINDING_EDITORS: KeybindingEditorDb<WorkspaceDb> =
-            &[sql!(
+    pub struct KeybindingEditorDb(db::sqlez::thread_safe_connection::ThreadSafeConnection);
+
+    impl Domain for KeybindingEditorDb {
+        const NAME: &str = stringify!(KeybindingEditorDb);
+
+        const MIGRATIONS: &[&str] = &[sql!(
                 CREATE TABLE keybinding_editors (
                     workspace_id INTEGER,
                     item_id INTEGER UNIQUE,
@@ -3111,9 +3365,11 @@ mod persistence {
                     FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
                     ON DELETE CASCADE
                 ) STRICT;
-            )];
+        )];
     }
 
+    db::static_connection!(KEYBINDING_EDITORS, KeybindingEditorDb, [WorkspaceDb]);
+
     impl KeybindingEditorDb {
         query! {
             pub async fn save_keybinding_editor(
@@ -3137,3 +3393,152 @@ mod persistence {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn normalized_ctx_cmp() {
+        #[track_caller]
+        fn cmp(a: &str, b: &str) -> bool {
+            let a = gpui::KeyBindingContextPredicate::parse(a)
+                .expect("Failed to parse keybinding context a");
+            let b = gpui::KeyBindingContextPredicate::parse(b)
+                .expect("Failed to parse keybinding context b");
+            normalized_ctx_eq(&a, &b)
+        }
+
+        // Basic equality - identical expressions
+        assert!(cmp("a && b", "a && b"));
+        assert!(cmp("a || b", "a || b"));
+        assert!(cmp("a == b", "a == b"));
+        assert!(cmp("a != b", "a != b"));
+        assert!(cmp("a > b", "a > b"));
+        assert!(cmp("!a", "!a"));
+
+        // AND operator - associative/commutative
+        assert!(cmp("a && b", "b && a"));
+        assert!(cmp("a && b && c", "c && b && a"));
+        assert!(cmp("a && b && c", "b && a && c"));
+        assert!(cmp("a && b && c && d", "d && c && b && a"));
+
+        // OR operator - associative/commutative
+        assert!(cmp("a || b", "b || a"));
+        assert!(cmp("a || b || c", "c || b || a"));
+        assert!(cmp("a || b || c", "b || a || c"));
+        assert!(cmp("a || b || c || d", "d || c || b || a"));
+
+        // Equality operator - associative/commutative
+        assert!(cmp("a == b", "b == a"));
+        assert!(cmp("x == y", "y == x"));
+
+        // Inequality operator - associative/commutative
+        assert!(cmp("a != b", "b != a"));
+        assert!(cmp("x != y", "y != x"));
+
+        // Complex nested expressions with associative operators
+        assert!(cmp("(a && b) || c", "c || (a && b)"));
+        assert!(cmp("(a && b) || c", "c || (b && a)"));
+        assert!(cmp("(a || b) && c", "c && (a || b)"));
+        assert!(cmp("(a || b) && c", "c && (b || a)"));
+        assert!(cmp("(a && b) || (c && d)", "(c && d) || (a && b)"));
+        assert!(cmp("(a && b) || (c && d)", "(d && c) || (b && a)"));
+
+        // Multiple levels of nesting
+        assert!(cmp("((a && b) || c) && d", "d && ((a && b) || c)"));
+        assert!(cmp("((a && b) || c) && d", "d && (c || (b && a))"));
+        assert!(cmp("a && (b || (c && d))", "(b || (c && d)) && a"));
+        assert!(cmp("a && (b || (c && d))", "(b || (d && c)) && a"));
+
+        // Negation with associative operators
+        assert!(cmp("!a && b", "b && !a"));
+        assert!(cmp("!a || b", "b || !a"));
+        assert!(cmp("!(a && b) || c", "c || !(a && b)"));
+        assert!(cmp("!(a && b) || c", "c || !(b && a)"));
+
+        // Descendant operator (>) - NOT associative/commutative
+        assert!(cmp("a > b", "a > b"));
+        assert!(!cmp("a > b", "b > a"));
+        assert!(!cmp("a > b > c", "c > b > a"));
+        assert!(!cmp("a > b > c", "a > c > b"));
+
+        // Mixed operators with descendant
+        assert!(cmp("(a > b) && c", "c && (a > b)"));
+        assert!(!cmp("(a > b) && c", "c && (b > a)"));
+        assert!(cmp("(a > b) || (c > d)", "(c > d) || (a > b)"));
+        assert!(!cmp("(a > b) || (c > d)", "(b > a) || (d > c)"));
+
+        // Negative cases - different operators
+        assert!(!cmp("a && b", "a || b"));
+        assert!(!cmp("a == b", "a != b"));
+        assert!(!cmp("a && b", "a > b"));
+        assert!(!cmp("a || b", "a > b"));
+        assert!(!cmp("a == b", "a && b"));
+        assert!(!cmp("a != b", "a || b"));
+
+        // Negative cases - different operands
+        assert!(!cmp("a && b", "a && c"));
+        assert!(!cmp("a && b", "c && d"));
+        assert!(!cmp("a || b", "a || c"));
+        assert!(!cmp("a || b", "c || d"));
+        assert!(!cmp("a == b", "a == c"));
+        assert!(!cmp("a != b", "a != c"));
+        assert!(!cmp("a > b", "a > c"));
+        assert!(!cmp("a > b", "c > b"));
+
+        // Negative cases - with negation
+        assert!(!cmp("!a", "a"));
+        assert!(!cmp("!a && b", "a && b"));
+        assert!(!cmp("!(a && b)", "a && b"));
+        assert!(!cmp("!a || b", "a || b"));
+        assert!(!cmp("!(a || b)", "a || b"));
+
+        // Negative cases - complex expressions
+        assert!(!cmp("(a && b) || c", "(a || b) && c"));
+        assert!(!cmp("a && (b || c)", "a || (b && c)"));
+        assert!(!cmp("(a && b) || (c && d)", "(a || b) && (c || d)"));
+        assert!(!cmp("a > b && c", "a && b > c"));
+
+        // Edge cases - multiple same operands
+        assert!(cmp("a && a", "a && a"));
+        assert!(cmp("a || a", "a || a"));
+        assert!(cmp("a && a && b", "b && a && a"));
+        assert!(cmp("a || a || b", "b || a || a"));
+
+        // Edge cases - deeply nested
+        assert!(cmp(
+            "((a && b) || (c && d)) && ((e || f) && g)",
+            "((e || f) && g) && ((c && d) || (a && b))"
+        ));
+        assert!(cmp(
+            "((a && b) || (c && d)) && ((e || f) && g)",
+            "(g && (f || e)) && ((d && c) || (b && a))"
+        ));
+
+        // Edge cases - repeated patterns
+        assert!(cmp("(a && b) || (a && b)", "(b && a) || (b && a)"));
+        assert!(cmp("(a || b) && (a || b)", "(b || a) && (b || a)"));
+
+        // Negative cases - subtle differences
+        assert!(!cmp("a && b && c", "a && b"));
+        assert!(!cmp("a || b || c", "a || b"));
+        assert!(!cmp("(a && b) || c", "a && (b || c)"));
+
+        // a > b > c is not the same as a > c, should not be equal
+        assert!(!cmp("a > b > c", "a > c"));
+
+        // Double negation with complex expressions
+        assert!(cmp("!(!(a && b))", "a && b"));
+        assert!(cmp("!(!(a || b))", "a || b"));
+        assert!(cmp("!(!(a > b))", "a > b"));
+        assert!(cmp("!(!a) && b", "a && b"));
+        assert!(cmp("!(!a) || b", "a || b"));
+        assert!(cmp("!(!(a && b)) || c", "(a && b) || c"));
+        assert!(cmp("!(!(a && b)) || c", "(b && a) || c"));
+        assert!(cmp("!(!a)", "a"));
+        assert!(cmp("a", "!(!a)"));
+        assert!(cmp("!(!(!a))", "!a"));
+        assert!(cmp("!(!(!(!a)))", "a"));
+    }
+}
diff --git a/crates/settings_ui/src/ui_components/keystroke_input.rs b/crates/settings_ui/src/ui_components/keystroke_input.rs
index 03d27d0ab9..1b8010853e 100644
--- a/crates/settings_ui/src/ui_components/keystroke_input.rs
+++ b/crates/settings_ui/src/ui_components/keystroke_input.rs
@@ -19,7 +19,7 @@ actions!(
     ]
 );
 
-const KEY_CONTEXT_VALUE: &'static str = "KeystrokeInput";
+const KEY_CONTEXT_VALUE: &str = "KeystrokeInput";
 
 const CLOSE_KEYSTROKE_CAPTURE_END_TIMEOUT: std::time::Duration =
     std::time::Duration::from_millis(300);
@@ -116,19 +116,19 @@ impl KeystrokeInput {
             && self
                 .keystrokes
                 .last()
-                .map_or(false, |last| last.key.is_empty())
+                .is_some_and(|last| last.key.is_empty())
         {
             return &self.keystrokes[..self.keystrokes.len() - 1];
         }
-        return &self.keystrokes;
+        &self.keystrokes
     }
 
     fn dummy(modifiers: Modifiers) -> Keystroke {
-        return Keystroke {
+        Keystroke {
             modifiers,
             key: "".to_string(),
             key_char: None,
-        };
+        }
     }
 
     fn keystrokes_changed(&self, cx: &mut Context<Self>) {
@@ -182,7 +182,7 @@ impl KeystrokeInput {
     fn end_close_keystrokes_capture(&mut self) -> Option<usize> {
         self.close_keystrokes.take();
         self.clear_close_keystrokes_timer.take();
-        return self.close_keystrokes_start.take();
+        self.close_keystrokes_start.take()
     }
 
     fn handle_possible_close_keystroke(
@@ -233,7 +233,7 @@ impl KeystrokeInput {
             return CloseKeystrokeResult::Partial;
         }
         self.end_close_keystrokes_capture();
-        return CloseKeystrokeResult::None;
+        CloseKeystrokeResult::None
     }
 
     fn on_modifiers_changed(
@@ -437,7 +437,7 @@ impl KeystrokeInput {
         // is a much more reliable check, as the intercept keystroke handlers are installed
         // on focus of the inner focus handle, thereby ensuring our recording state does
         // not get de-synced
-        return self.inner_focus_handle.is_focused(window);
+        self.inner_focus_handle.is_focused(window)
     }
 }
 
@@ -529,7 +529,7 @@ impl Render for KeystrokeInput {
             .w_full()
             .flex_1()
             .justify_between()
-            .rounded_lg()
+            .rounded_sm()
             .overflow_hidden()
             .map(|this| {
                 if is_recording {
@@ -590,7 +590,7 @@ impl Render for KeystrokeInput {
                     .map(|this| {
                         if is_recording {
                             this.child(
-                                IconButton::new("stop-record-btn", IconName::StopFilled)
+                                IconButton::new("stop-record-btn", IconName::Stop)
                                     .shape(IconButtonShape::Square)
                                     .map(|this| {
                                         this.tooltip(Tooltip::for_action_title(
@@ -629,7 +629,7 @@ impl Render for KeystrokeInput {
                         }
                     })
                     .child(
-                        IconButton::new("clear-btn", IconName::Delete)
+                        IconButton::new("clear-btn", IconName::Backspace)
                             .shape(IconButtonShape::Square)
                             .tooltip(Tooltip::for_action_title(
                                 "Clear Keystrokes",
@@ -811,7 +811,7 @@ mod tests {
         pub fn expect_keystrokes(&mut self, expected: &[&str]) -> &mut Self {
             let actual = self
                 .input
-                .read_with(&mut self.cx, |input, _| input.keystrokes.clone());
+                .read_with(&self.cx, |input, _| input.keystrokes.clone());
             Self::expect_keystrokes_equal(&actual, expected);
             self
         }
@@ -820,7 +820,7 @@ mod tests {
         pub fn expect_close_keystrokes(&mut self, expected: &[&str]) -> &mut Self {
             let actual = self
                 .input
-                .read_with(&mut self.cx, |input, _| input.close_keystrokes.clone())
+                .read_with(&self.cx, |input, _| input.close_keystrokes.clone())
                 .unwrap_or_default();
             Self::expect_keystrokes_equal(&actual, expected);
             self
@@ -934,7 +934,7 @@ mod tests {
             let change_tracker = KeystrokeUpdateTracker::new(self.input.clone(), &mut self.cx);
             let result = self.input.update_in(&mut self.cx, cb);
             KeystrokeUpdateTracker::finish(change_tracker, &self.cx);
-            return result;
+            result
         }
     }
 
diff --git a/crates/settings_ui/src/ui_components/table.rs b/crates/settings_ui/src/ui_components/table.rs
index 3c9992bd68..9d7bb07360 100644
--- a/crates/settings_ui/src/ui_components/table.rs
+++ b/crates/settings_ui/src/ui_components/table.rs
@@ -213,7 +213,7 @@ impl TableInteractionState {
 
         let mut column_ix = 0;
         let resizable_columns_slice = *resizable_columns;
-        let mut resizable_columns = resizable_columns.into_iter();
+        let mut resizable_columns = resizable_columns.iter();
 
         let dividers = intersperse_with(spacers, || {
             window.with_id(column_ix, |window| {
@@ -248,7 +248,7 @@ impl TableInteractionState {
                         .cursor_col_resize()
                         .when_some(columns.clone(), |this, columns| {
                             this.on_click(move |event, window, cx| {
-                                if event.down.click_count >= 2 {
+                                if event.click_count() >= 2 {
                                     columns.update(cx, |columns, _| {
                                         columns.on_double_click(
                                             column_ix,
@@ -343,7 +343,7 @@ impl TableInteractionState {
             .on_any_mouse_down(|_, _, cx| {
                 cx.stop_propagation();
             })
-            .on_scroll_wheel(Self::listener(&this, |_, _, _, cx| {
+            .on_scroll_wheel(Self::listener(this, |_, _, _, cx| {
                 cx.notify();
             }))
             .children(Scrollbar::vertical(
@@ -731,7 +731,7 @@ impl<const COLS: usize> ColumnWidths<COLS> {
         }
         widths[col_idx] = widths[col_idx] + (diff - diff_remaining);
 
-        return diff_remaining;
+        diff_remaining
     }
 }
 
@@ -801,7 +801,7 @@ impl<const COLS: usize> Table<COLS> {
     ) -> Self {
         self.rows = TableContents::UniformList(UniformListData {
             element_id: id.into(),
-            row_count: row_count,
+            row_count,
             render_item_fn: Box::new(render_item_fn),
         });
         self
@@ -997,7 +997,7 @@ pub fn render_header<const COLS: usize>(
                         |this, (column_widths, resizables, initial_sizes)| {
                             if resizables[header_idx].is_resizable() {
                                 this.on_click(move |event, window, cx| {
-                                    if event.down.click_count > 1 {
+                                    if event.click_count() > 1 {
                                         column_widths
                                             .update(cx, |column, _| {
                                                 column.on_double_click(
diff --git a/crates/snippet/src/snippet.rs b/crates/snippet/src/snippet.rs
index 6a673fe08b..4be4281d9a 100644
--- a/crates/snippet/src/snippet.rs
+++ b/crates/snippet/src/snippet.rs
@@ -33,7 +33,7 @@ impl Snippet {
                 choices: None,
             };
 
-            if !tabstops.last().map_or(false, |t| *t == end_tabstop) {
+            if !tabstops.last().is_some_and(|t| *t == end_tabstop) {
                 tabstops.push(end_tabstop);
             }
         }
diff --git a/crates/snippet_provider/src/lib.rs b/crates/snippet_provider/src/lib.rs
index d1112a8d00..eac06924a7 100644
--- a/crates/snippet_provider/src/lib.rs
+++ b/crates/snippet_provider/src/lib.rs
@@ -69,18 +69,18 @@ async fn process_updates(
     entries: Vec<PathBuf>,
     mut cx: AsyncApp,
 ) -> Result<()> {
-    let fs = this.read_with(&mut cx, |this, _| this.fs.clone())?;
+    let fs = this.read_with(&cx, |this, _| this.fs.clone())?;
     for entry_path in entries {
-        if !entry_path
+        if entry_path
             .extension()
-            .map_or(false, |extension| extension == "json")
+            .is_none_or(|extension| extension != "json")
         {
             continue;
         }
         let entry_metadata = fs.metadata(&entry_path).await;
         // Entry could have been removed, in which case we should no longer show completions for it.
         let entry_exists = entry_metadata.is_ok();
-        if entry_metadata.map_or(false, |entry| entry.map_or(false, |e| e.is_dir)) {
+        if entry_metadata.is_ok_and(|entry| entry.is_some_and(|e| e.is_dir)) {
             // Don't process dirs.
             continue;
         }
@@ -118,9 +118,9 @@ async fn process_updates(
 async fn initial_scan(
     this: WeakEntity<SnippetProvider>,
     path: Arc<Path>,
-    mut cx: AsyncApp,
+    cx: AsyncApp,
 ) -> Result<()> {
-    let fs = this.read_with(&mut cx, |this, _| this.fs.clone())?;
+    let fs = this.read_with(&cx, |this, _| this.fs.clone())?;
     let entries = fs.read_dir(&path).await;
     if let Ok(entries) = entries {
         let entries = entries
diff --git a/crates/snippets_ui/src/snippets_ui.rs b/crates/snippets_ui/src/snippets_ui.rs
index 1cc16c5576..db76ab6f9a 100644
--- a/crates/snippets_ui/src/snippets_ui.rs
+++ b/crates/snippets_ui/src/snippets_ui.rs
@@ -149,13 +149,12 @@ impl ScopeSelectorDelegate {
         scope_selector: WeakEntity<ScopeSelector>,
         language_registry: Arc<LanguageRegistry>,
     ) -> Self {
-        let candidates = Vec::from([GLOBAL_SCOPE_NAME.to_string()]).into_iter();
         let languages = language_registry.language_names().into_iter();
 
-        let candidates = candidates
+        let candidates = std::iter::once(LanguageName::new(GLOBAL_SCOPE_NAME))
             .chain(languages)
             .enumerate()
-            .map(|(candidate_id, name)| StringMatchCandidate::new(candidate_id, &name))
+            .map(|(candidate_id, name)| StringMatchCandidate::new(candidate_id, name.as_ref()))
             .collect::<Vec<_>>();
 
         let mut existing_scopes = HashSet::new();
@@ -164,13 +163,12 @@ impl ScopeSelectorDelegate {
             for entry in read_dir {
                 if let Some(entry) = entry.log_err() {
                     let path = entry.path();
-                    if let (Some(stem), Some(extension)) = (path.file_stem(), path.extension()) {
-                        if extension.to_os_string().to_str() == Some("json") {
-                            if let Ok(file_name) = stem.to_os_string().into_string() {
-                                existing_scopes
-                                    .insert(ScopeName::from(ScopeFileName(Cow::Owned(file_name))));
-                            }
-                        }
+                    if let (Some(stem), Some(extension)) = (path.file_stem(), path.extension())
+                        && extension.to_os_string().to_str() == Some("json")
+                        && let Ok(file_name) = stem.to_os_string().into_string()
+                    {
+                        existing_scopes
+                            .insert(ScopeName::from(ScopeFileName(Cow::Owned(file_name))));
                     }
                 }
             }
@@ -331,7 +329,7 @@ impl PickerDelegate for ScopeSelectorDelegate {
                 .and_then(|available_language| self.scope_icon(available_language.matcher(), cx))
                 .or_else(|| {
                     Some(
-                        Icon::from_path(IconName::Globe.path())
+                        Icon::from_path(IconName::ToolWeb.path())
                             .map(|icon| icon.color(Color::Muted)),
                     )
                 })
diff --git a/crates/sqlez/src/connection.rs b/crates/sqlez/src/connection.rs
index f56ae2427d..228bd4c6a2 100644
--- a/crates/sqlez/src/connection.rs
+++ b/crates/sqlez/src/connection.rs
@@ -213,38 +213,37 @@ impl Connection {
 
 fn parse_alter_table(remaining_sql_str: &str) -> Option<(String, String)> {
     let remaining_sql_str = remaining_sql_str.to_lowercase();
-    if remaining_sql_str.starts_with("alter") {
-        if let Some(table_offset) = remaining_sql_str.find("table") {
-            let after_table_offset = table_offset + "table".len();
-            let table_to_alter = remaining_sql_str
-                .chars()
-                .skip(after_table_offset)
-                .skip_while(|c| c.is_whitespace())
-                .take_while(|c| !c.is_whitespace())
-                .collect::<String>();
-            if !table_to_alter.is_empty() {
-                let column_name =
-                    if let Some(rename_offset) = remaining_sql_str.find("rename column") {
-                        let after_rename_offset = rename_offset + "rename column".len();
-                        remaining_sql_str
-                            .chars()
-                            .skip(after_rename_offset)
-                            .skip_while(|c| c.is_whitespace())
-                            .take_while(|c| !c.is_whitespace())
-                            .collect::<String>()
-                    } else if let Some(drop_offset) = remaining_sql_str.find("drop column") {
-                        let after_drop_offset = drop_offset + "drop column".len();
-                        remaining_sql_str
-                            .chars()
-                            .skip(after_drop_offset)
-                            .skip_while(|c| c.is_whitespace())
-                            .take_while(|c| !c.is_whitespace())
-                            .collect::<String>()
-                    } else {
-                        "__place_holder_column_for_syntax_checking".to_string()
-                    };
-                return Some((table_to_alter, column_name));
-            }
+    if remaining_sql_str.starts_with("alter")
+        && let Some(table_offset) = remaining_sql_str.find("table")
+    {
+        let after_table_offset = table_offset + "table".len();
+        let table_to_alter = remaining_sql_str
+            .chars()
+            .skip(after_table_offset)
+            .skip_while(|c| c.is_whitespace())
+            .take_while(|c| !c.is_whitespace())
+            .collect::<String>();
+        if !table_to_alter.is_empty() {
+            let column_name = if let Some(rename_offset) = remaining_sql_str.find("rename column") {
+                let after_rename_offset = rename_offset + "rename column".len();
+                remaining_sql_str
+                    .chars()
+                    .skip(after_rename_offset)
+                    .skip_while(|c| c.is_whitespace())
+                    .take_while(|c| !c.is_whitespace())
+                    .collect::<String>()
+            } else if let Some(drop_offset) = remaining_sql_str.find("drop column") {
+                let after_drop_offset = drop_offset + "drop column".len();
+                remaining_sql_str
+                    .chars()
+                    .skip(after_drop_offset)
+                    .skip_while(|c| c.is_whitespace())
+                    .take_while(|c| !c.is_whitespace())
+                    .collect::<String>()
+            } else {
+                "__place_holder_column_for_syntax_checking".to_string()
+            };
+            return Some((table_to_alter, column_name));
         }
     }
     None
diff --git a/crates/sqlez/src/domain.rs b/crates/sqlez/src/domain.rs
index a83f4e18d6..5744a67da2 100644
--- a/crates/sqlez/src/domain.rs
+++ b/crates/sqlez/src/domain.rs
@@ -1,8 +1,12 @@
 use crate::connection::Connection;
 
 pub trait Domain: 'static {
-    fn name() -> &'static str;
-    fn migrations() -> &'static [&'static str];
+    const NAME: &str;
+    const MIGRATIONS: &[&str];
+
+    fn should_allow_migration_change(_index: usize, _old: &str, _new: &str) -> bool {
+        false
+    }
 }
 
 pub trait Migrator: 'static {
@@ -17,7 +21,11 @@ impl Migrator for () {
 
 impl<D: Domain> Migrator for D {
     fn migrate(connection: &Connection) -> anyhow::Result<()> {
-        connection.migrate(Self::name(), Self::migrations())
+        connection.migrate(
+            Self::NAME,
+            Self::MIGRATIONS,
+            Self::should_allow_migration_change,
+        )
     }
 }
 
diff --git a/crates/sqlez/src/migrations.rs b/crates/sqlez/src/migrations.rs
index 7c59ffe658..2429ddeb41 100644
--- a/crates/sqlez/src/migrations.rs
+++ b/crates/sqlez/src/migrations.rs
@@ -34,7 +34,12 @@ impl Connection {
     /// Note: Unlike everything else in SQLez, migrations are run eagerly, without first
     /// preparing the SQL statements. This makes it possible to do multi-statement schema
     /// updates in a single string without running into prepare errors.
-    pub fn migrate(&self, domain: &'static str, migrations: &[&'static str]) -> Result<()> {
+    pub fn migrate(
+        &self,
+        domain: &'static str,
+        migrations: &[&'static str],
+        mut should_allow_migration_change: impl FnMut(usize, &str, &str) -> bool,
+    ) -> Result<()> {
         self.with_savepoint("migrating", || {
             // Setup the migrations table unconditionally
             self.exec(indoc! {"
@@ -65,9 +70,14 @@ impl Connection {
                         &sqlformat::QueryParams::None,
                         Default::default(),
                     );
-                    if completed_migration == migration {
+                    if completed_migration == migration
+                        || migration.trim().starts_with("-- ALLOW_MIGRATION_CHANGE")
+                    {
                         // Migration already run. Continue
                         continue;
+                    } else if should_allow_migration_change(index, &completed_migration, &migration)
+                    {
+                        continue;
                     } else {
                         anyhow::bail!(formatdoc! {"
                             Migration changed for {domain} at step {index}
@@ -108,6 +118,7 @@ mod test {
                     a TEXT,
                     b TEXT
                 )"}],
+                disallow_migration_change,
             )
             .unwrap();
 
@@ -136,6 +147,7 @@ mod test {
                         d TEXT
                     )"},
                 ],
+                disallow_migration_change,
             )
             .unwrap();
 
@@ -214,7 +226,11 @@ mod test {
 
         // Run the migration verifying that the row got dropped
         connection
-            .migrate("test", &["DELETE FROM test_table"])
+            .migrate(
+                "test",
+                &["DELETE FROM test_table"],
+                disallow_migration_change,
+            )
             .unwrap();
         assert_eq!(
             connection
@@ -232,7 +248,11 @@ mod test {
 
         // Run the same migration again and verify that the table was left unchanged
         connection
-            .migrate("test", &["DELETE FROM test_table"])
+            .migrate(
+                "test",
+                &["DELETE FROM test_table"],
+                disallow_migration_change,
+            )
             .unwrap();
         assert_eq!(
             connection
@@ -252,27 +272,28 @@ mod test {
             .migrate(
                 "test migration",
                 &[
-                    indoc! {"
-                CREATE TABLE test (
-                    col INTEGER
-                )"},
-                    indoc! {"
-                    INSERT INTO test (col) VALUES (1)"},
+                    "CREATE TABLE test (col INTEGER)",
+                    "INSERT INTO test (col) VALUES (1)",
                 ],
+                disallow_migration_change,
             )
             .unwrap();
 
+        let mut migration_changed = false;
+
         // Create another migration with the same domain but different steps
         let second_migration_result = connection.migrate(
             "test migration",
             &[
-                indoc! {"
-                CREATE TABLE test (
-                    color INTEGER
-                )"},
-                indoc! {"
-                INSERT INTO test (color) VALUES (1)"},
+                "CREATE TABLE test (color INTEGER )",
+                "INSERT INTO test (color) VALUES (1)",
             ],
+            |_, old, new| {
+                assert_eq!(old, "CREATE TABLE test (col INTEGER)");
+                assert_eq!(new, "CREATE TABLE test (color INTEGER)");
+                migration_changed = true;
+                false
+            },
         );
 
         // Verify new migration returns error when run
@@ -284,7 +305,11 @@ mod test {
         let connection = Connection::open_memory(Some("test_create_alter_drop"));
 
         connection
-            .migrate("first_migration", &["CREATE TABLE table1(a TEXT) STRICT;"])
+            .migrate(
+                "first_migration",
+                &["CREATE TABLE table1(a TEXT) STRICT;"],
+                disallow_migration_change,
+            )
             .unwrap();
 
         connection
@@ -305,6 +330,7 @@ mod test {
 
                     ALTER TABLE table2 RENAME TO table1;
                 "}],
+                disallow_migration_change,
             )
             .unwrap();
 
@@ -312,4 +338,8 @@ mod test {
 
         assert_eq!(res, "test text");
     }
+
+    fn disallow_migration_change(_: usize, _: &str, _: &str) -> bool {
+        false
+    }
 }
diff --git a/crates/sqlez/src/thread_safe_connection.rs b/crates/sqlez/src/thread_safe_connection.rs
index afdc96586e..58d3afe78f 100644
--- a/crates/sqlez/src/thread_safe_connection.rs
+++ b/crates/sqlez/src/thread_safe_connection.rs
@@ -278,12 +278,8 @@ mod test {
 
         enum TestDomain {}
         impl Domain for TestDomain {
-            fn name() -> &'static str {
-                "test"
-            }
-            fn migrations() -> &'static [&'static str] {
-                &["CREATE TABLE test(col1 TEXT, col2 TEXT) STRICT;"]
-            }
+            const NAME: &str = "test";
+            const MIGRATIONS: &[&str] = &["CREATE TABLE test(col1 TEXT, col2 TEXT) STRICT;"];
         }
 
         for _ in 0..100 {
@@ -312,12 +308,9 @@ mod test {
     fn wild_zed_lost_failure() {
         enum TestWorkspace {}
         impl Domain for TestWorkspace {
-            fn name() -> &'static str {
-                "workspace"
-            }
+            const NAME: &str = "workspace";
 
-            fn migrations() -> &'static [&'static str] {
-                &["
+            const MIGRATIONS: &[&str] = &["
                     CREATE TABLE workspaces(
                         workspace_id INTEGER PRIMARY KEY,
                         dock_visible INTEGER, -- Boolean
@@ -336,8 +329,7 @@ mod test {
                             ON DELETE CASCADE
                             ON UPDATE CASCADE
                     ) STRICT;
-                "]
-            }
+                "];
         }
 
         let builder =
diff --git a/crates/story/src/story.rs b/crates/story/src/story.rs
index 6fed0ab12d..b59cb6fb99 100644
--- a/crates/story/src/story.rs
+++ b/crates/story/src/story.rs
@@ -194,7 +194,7 @@ impl RenderOnce for StorySection {
             // Section title
             .py_2()
             // Section description
-            .when_some(self.description.clone(), |section, description| {
+            .when_some(self.description, |section, description| {
                 section.child(Story::description(description, cx))
             })
             .child(div().flex().flex_col().gap_2().children(children))
diff --git a/crates/storybook/src/stories/indent_guides.rs b/crates/storybook/src/stories/indent_guides.rs
index e4f9669b1f..db23ea79bd 100644
--- a/crates/storybook/src/stories/indent_guides.rs
+++ b/crates/storybook/src/stories/indent_guides.rs
@@ -65,7 +65,7 @@ impl Render for IndentGuidesStory {
                             },
                         )
                         .with_compute_indents_fn(
-                            cx.entity().clone(),
+                            cx.entity(),
                             |this, range, _cx, _context| {
                                 this.depths
                                     .iter()
diff --git a/crates/storybook/src/story_selector.rs b/crates/storybook/src/story_selector.rs
index fd0be97ff6..aad3875410 100644
--- a/crates/storybook/src/story_selector.rs
+++ b/crates/storybook/src/story_selector.rs
@@ -109,15 +109,13 @@ static ALL_STORY_SELECTORS: OnceLock<Vec<StorySelector>> = OnceLock::new();
 
 impl ValueEnum for StorySelector {
     fn value_variants<'a>() -> &'a [Self] {
-        let stories = ALL_STORY_SELECTORS.get_or_init(|| {
+        (ALL_STORY_SELECTORS.get_or_init(|| {
             let component_stories = ComponentStory::iter().map(StorySelector::Component);
 
             component_stories
                 .chain(std::iter::once(StorySelector::KitchenSink))
                 .collect::<Vec<_>>()
-        });
-
-        stories
+        })) as _
     }
 
     fn to_possible_value(&self) -> Option<clap::builder::PossibleValue> {
diff --git a/crates/storybook/src/storybook.rs b/crates/storybook/src/storybook.rs
index 4c5b6272ef..ac01e6c5c8 100644
--- a/crates/storybook/src/storybook.rs
+++ b/crates/storybook/src/storybook.rs
@@ -128,7 +128,7 @@ impl Render for StoryWrapper {
             .flex()
             .flex_col()
             .size_full()
-            .font_family("Zed Plex Mono")
+            .font_family(".ZedMono")
             .child(self.story.clone())
     }
 }
diff --git a/crates/streaming_diff/src/streaming_diff.rs b/crates/streaming_diff/src/streaming_diff.rs
index f7649b1bf1..704164e01e 100644
--- a/crates/streaming_diff/src/streaming_diff.rs
+++ b/crates/streaming_diff/src/streaming_diff.rs
@@ -303,10 +303,10 @@ impl LineDiff {
                         self.flush_insert(old_text);
                         self.buffered_insert.push_str(suffix);
                     } else {
-                        self.buffered_insert.push_str(&text);
+                        self.buffered_insert.push_str(text);
                     }
                 } else {
-                    self.buffered_insert.push_str(&text);
+                    self.buffered_insert.push_str(text);
                     if !text.ends_with('\n') {
                         self.flush_insert(old_text);
                     }
@@ -523,7 +523,7 @@ mod tests {
             apply_line_operations(old_text, &new_text, &expected_line_ops)
         );
 
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(line_ops, expected_line_ops);
     }
 
@@ -534,7 +534,7 @@ mod tests {
             CharOperation::Keep { bytes: 5 },
             CharOperation::Delete { bytes: 4 },
         ];
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
@@ -559,7 +559,7 @@ mod tests {
                 text: "\ncccc".into(),
             },
         ];
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
@@ -582,7 +582,7 @@ mod tests {
             CharOperation::Delete { bytes: 5 },
             CharOperation::Keep { bytes: 4 },
         ];
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
@@ -609,7 +609,7 @@ mod tests {
             },
             CharOperation::Keep { bytes: 5 },
         ];
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
@@ -638,7 +638,7 @@ mod tests {
                 text: "\nEEEE".into(),
             },
         ];
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
@@ -664,7 +664,7 @@ mod tests {
             CharOperation::Insert { text: "A".into() },
             CharOperation::Keep { bytes: 10 },
         ];
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
@@ -689,7 +689,7 @@ mod tests {
             CharOperation::Keep { bytes: 4 },
         ];
         let new_text = apply_char_operations(old_text, &char_ops);
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
@@ -710,7 +710,7 @@ mod tests {
             CharOperation::Insert { text: "\n".into() },
             CharOperation::Keep { bytes: 9 },
         ];
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
@@ -733,7 +733,7 @@ mod tests {
             CharOperation::Delete { bytes: 1 },
             CharOperation::Keep { bytes: 4 },
         ];
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
@@ -759,7 +759,7 @@ mod tests {
             },
             CharOperation::Keep { bytes: 4 },
         ];
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
@@ -783,7 +783,7 @@ mod tests {
             CharOperation::Delete { bytes: 2 },
             CharOperation::Keep { bytes: 4 },
         ];
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
@@ -814,7 +814,7 @@ mod tests {
             },
             CharOperation::Keep { bytes: 6 },
         ];
-        let line_ops = char_ops_to_line_ops(&old_text, &char_ops);
+        let line_ops = char_ops_to_line_ops(old_text, &char_ops);
         assert_eq!(
             line_ops,
             vec![
diff --git a/crates/sum_tree/src/cursor.rs b/crates/sum_tree/src/cursor.rs
index 50a556a6d2..53458b65ec 100644
--- a/crates/sum_tree/src/cursor.rs
+++ b/crates/sum_tree/src/cursor.rs
@@ -530,10 +530,10 @@ where
         debug_assert!(self.stack.is_empty() || self.stack.last().unwrap().tree.0.is_leaf());
 
         let mut end = self.position.clone();
-        if bias == Bias::Left {
-            if let Some(summary) = self.item_summary() {
-                end.add_summary(summary, self.cx);
-            }
+        if bias == Bias::Left
+            && let Some(summary) = self.item_summary()
+        {
+            end.add_summary(summary, self.cx);
         }
 
         target.cmp(&end, self.cx) == Ordering::Equal
diff --git a/crates/sum_tree/src/sum_tree.rs b/crates/sum_tree/src/sum_tree.rs
index 4c5ce39590..710fdd4fbf 100644
--- a/crates/sum_tree/src/sum_tree.rs
+++ b/crates/sum_tree/src/sum_tree.rs
@@ -94,44 +94,37 @@ impl<'a, S: Summary, D: Dimension<'a, S> + Ord> SeekTarget<'a, S, D> for D {
 }
 
 impl<'a, T: Summary> Dimension<'a, T> for () {
-    fn zero(_: &T::Context) -> Self {
-        ()
-    }
+    fn zero(_: &T::Context) -> Self {}
 
     fn add_summary(&mut self, _: &'a T, _: &T::Context) {}
 }
 
-impl<'a, T: Summary, D1: Dimension<'a, T>, D2: Dimension<'a, T>> Dimension<'a, T> for (D1, D2) {
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, PartialOrd, Ord)]
+pub struct Dimensions<D1, D2, D3 = ()>(pub D1, pub D2, pub D3);
+
+impl<'a, T: Summary, D1: Dimension<'a, T>, D2: Dimension<'a, T>, D3: Dimension<'a, T>>
+    Dimension<'a, T> for Dimensions<D1, D2, D3>
+{
     fn zero(cx: &T::Context) -> Self {
-        (D1::zero(cx), D2::zero(cx))
+        Dimensions(D1::zero(cx), D2::zero(cx), D3::zero(cx))
     }
 
     fn add_summary(&mut self, summary: &'a T, cx: &T::Context) {
         self.0.add_summary(summary, cx);
         self.1.add_summary(summary, cx);
+        self.2.add_summary(summary, cx);
     }
 }
 
-impl<'a, S, D1, D2> SeekTarget<'a, S, (D1, D2)> for D1
-where
-    S: Summary,
-    D1: SeekTarget<'a, S, D1> + Dimension<'a, S>,
-    D2: Dimension<'a, S>,
-{
-    fn cmp(&self, cursor_location: &(D1, D2), cx: &S::Context) -> Ordering {
-        self.cmp(&cursor_location.0, cx)
-    }
-}
-
-impl<'a, S, D1, D2, D3> SeekTarget<'a, S, ((D1, D2), D3)> for D1
+impl<'a, S, D1, D2, D3> SeekTarget<'a, S, Dimensions<D1, D2, D3>> for D1
 where
     S: Summary,
     D1: SeekTarget<'a, S, D1> + Dimension<'a, S>,
     D2: Dimension<'a, S>,
     D3: Dimension<'a, S>,
 {
-    fn cmp(&self, cursor_location: &((D1, D2), D3), cx: &S::Context) -> Ordering {
-        self.cmp(&cursor_location.0.0, cx)
+    fn cmp(&self, cursor_location: &Dimensions<D1, D2, D3>, cx: &S::Context) -> Ordering {
+        self.cmp(&cursor_location.0, cx)
     }
 }
 
@@ -679,11 +672,11 @@ impl<T: KeyedItem> SumTree<T> {
         *self = {
             let mut cursor = self.cursor::<T::Key>(cx);
             let mut new_tree = cursor.slice(&item.key(), Bias::Left);
-            if let Some(cursor_item) = cursor.item() {
-                if cursor_item.key() == item.key() {
-                    replaced = Some(cursor_item.clone());
-                    cursor.next();
-                }
+            if let Some(cursor_item) = cursor.item()
+                && cursor_item.key() == item.key()
+            {
+                replaced = Some(cursor_item.clone());
+                cursor.next();
             }
             new_tree.push(item, cx);
             new_tree.append(cursor.suffix(), cx);
@@ -697,11 +690,11 @@ impl<T: KeyedItem> SumTree<T> {
         *self = {
             let mut cursor = self.cursor::<T::Key>(cx);
             let mut new_tree = cursor.slice(key, Bias::Left);
-            if let Some(item) = cursor.item() {
-                if item.key() == *key {
-                    removed = Some(item.clone());
-                    cursor.next();
-                }
+            if let Some(item) = cursor.item()
+                && item.key() == *key
+            {
+                removed = Some(item.clone());
+                cursor.next();
             }
             new_tree.append(cursor.suffix(), cx);
             new_tree
@@ -733,7 +726,7 @@ impl<T: KeyedItem> SumTree<T> {
 
                 if old_item
                     .as_ref()
-                    .map_or(false, |old_item| old_item.key() < new_key)
+                    .is_some_and(|old_item| old_item.key() < new_key)
                 {
                     new_tree.extend(buffered_items.drain(..), cx);
                     let slice = cursor.slice(&new_key, Bias::Left);
@@ -741,11 +734,11 @@ impl<T: KeyedItem> SumTree<T> {
                     old_item = cursor.item();
                 }
 
-                if let Some(old_item) = old_item {
-                    if old_item.key() == new_key {
-                        removed.push(old_item.clone());
-                        cursor.next();
-                    }
+                if let Some(old_item) = old_item
+                    && old_item.key() == new_key
+                {
+                    removed.push(old_item.clone());
+                    cursor.next();
                 }
 
                 match edit {
diff --git a/crates/supermaven/Cargo.toml b/crates/supermaven/Cargo.toml
index d0451f34f2..4fc6a618ff 100644
--- a/crates/supermaven/Cargo.toml
+++ b/crates/supermaven/Cargo.toml
@@ -16,9 +16,9 @@ doctest = false
 anyhow.workspace = true
 client.workspace = true
 collections.workspace = true
+edit_prediction.workspace = true
 futures.workspace = true
 gpui.workspace = true
-inline_completion.workspace = true
 language.workspace = true
 log.workspace = true
 postage.workspace = true
diff --git a/crates/supermaven/src/supermaven.rs b/crates/supermaven/src/supermaven.rs
index ab500fb79d..7a9963dbc4 100644
--- a/crates/supermaven/src/supermaven.rs
+++ b/crates/supermaven/src/supermaven.rs
@@ -234,18 +234,16 @@ fn find_relevant_completion<'a>(
         }
 
         let original_cursor_offset = buffer.clip_offset(state.prefix_offset, text::Bias::Left);
-        let text_inserted_since_completion_request =
-            buffer.text_for_range(original_cursor_offset..current_cursor_offset);
-        let mut trimmed_completion = state_completion;
-        for chunk in text_inserted_since_completion_request {
-            if let Some(suffix) = trimmed_completion.strip_prefix(chunk) {
-                trimmed_completion = suffix;
-            } else {
-                continue 'completions;
-            }
-        }
+        let text_inserted_since_completion_request: String = buffer
+            .text_for_range(original_cursor_offset..current_cursor_offset)
+            .collect();
+        let trimmed_completion =
+            match state_completion.strip_prefix(&text_inserted_since_completion_request) {
+                Some(suffix) => suffix,
+                None => continue 'completions,
+            };
 
-        if best_completion.map_or(false, |best| best.len() > trimmed_completion.len()) {
+        if best_completion.is_some_and(|best| best.len() > trimmed_completion.len()) {
             continue;
         }
 
@@ -386,9 +384,7 @@ impl SupermavenAgent {
         match message {
             SupermavenMessage::ActivationRequest(request) => {
                 self.account_status = match request.activate_url {
-                    Some(activate_url) => AccountStatus::NeedsActivation {
-                        activate_url: activate_url.clone(),
-                    },
+                    Some(activate_url) => AccountStatus::NeedsActivation { activate_url },
                     None => AccountStatus::Ready,
                 };
             }
@@ -439,3 +435,77 @@ pub struct SupermavenCompletion {
     pub id: SupermavenCompletionStateId,
     pub updates: watch::Receiver<()>,
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use collections::BTreeMap;
+    use gpui::TestAppContext;
+    use language::Buffer;
+
+    #[gpui::test]
+    async fn test_find_relevant_completion_no_first_letter_skip(cx: &mut TestAppContext) {
+        let buffer = cx.new(|cx| Buffer::local("hello world", cx));
+        let buffer_snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot());
+
+        let mut states = BTreeMap::new();
+        let state_id = SupermavenCompletionStateId(1);
+        let (updates_tx, _) = watch::channel();
+
+        states.insert(
+            state_id,
+            SupermavenCompletionState {
+                buffer_id: buffer.entity_id(),
+                prefix_anchor: buffer_snapshot.anchor_before(0), // Start of buffer
+                prefix_offset: 0,
+                text: "hello".to_string(),
+                dedent: String::new(),
+                updates_tx,
+            },
+        );
+
+        let cursor_position = buffer_snapshot.anchor_after(1);
+
+        let result = find_relevant_completion(
+            &states,
+            buffer.entity_id(),
+            &buffer_snapshot,
+            cursor_position,
+        );
+
+        assert_eq!(result, Some("ello"));
+    }
+
+    #[gpui::test]
+    async fn test_find_relevant_completion_with_multiple_chars(cx: &mut TestAppContext) {
+        let buffer = cx.new(|cx| Buffer::local("hello world", cx));
+        let buffer_snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot());
+
+        let mut states = BTreeMap::new();
+        let state_id = SupermavenCompletionStateId(1);
+        let (updates_tx, _) = watch::channel();
+
+        states.insert(
+            state_id,
+            SupermavenCompletionState {
+                buffer_id: buffer.entity_id(),
+                prefix_anchor: buffer_snapshot.anchor_before(0), // Start of buffer
+                prefix_offset: 0,
+                text: "hello".to_string(),
+                dedent: String::new(),
+                updates_tx,
+            },
+        );
+
+        let cursor_position = buffer_snapshot.anchor_after(3);
+
+        let result = find_relevant_completion(
+            &states,
+            buffer.entity_id(),
+            &buffer_snapshot,
+            cursor_position,
+        );
+
+        assert_eq!(result, Some("lo"));
+    }
+}
diff --git a/crates/supermaven/src/supermaven_completion_provider.rs b/crates/supermaven/src/supermaven_completion_provider.rs
index c49272e66e..eb54c83f81 100644
--- a/crates/supermaven/src/supermaven_completion_provider.rs
+++ b/crates/supermaven/src/supermaven_completion_provider.rs
@@ -1,8 +1,8 @@
 use crate::{Supermaven, SupermavenCompletionStateId};
 use anyhow::Result;
+use edit_prediction::{Direction, EditPrediction, EditPredictionProvider};
 use futures::StreamExt as _;
 use gpui::{App, Context, Entity, EntityId, Task};
-use inline_completion::{Direction, EditPredictionProvider, InlineCompletion};
 use language::{Anchor, Buffer, BufferSnapshot};
 use project::Project;
 use std::{
@@ -44,10 +44,8 @@ fn completion_from_diff(
     completion_text: &str,
     position: Anchor,
     delete_range: Range<Anchor>,
-) -> InlineCompletion {
-    let buffer_text = snapshot
-        .text_for_range(delete_range.clone())
-        .collect::<String>();
+) -> EditPrediction {
+    let buffer_text = snapshot.text_for_range(delete_range).collect::<String>();
 
     let mut edits: Vec<(Range<language::Anchor>, String)> = Vec::new();
 
@@ -91,7 +89,7 @@ fn completion_from_diff(
         edits.push((edit_range, edit_text));
     }
 
-    InlineCompletion {
+    EditPrediction {
         id: None,
         edits,
         edit_preview: None,
@@ -108,6 +106,14 @@ impl EditPredictionProvider for SupermavenCompletionProvider {
     }
 
     fn show_completions_in_menu() -> bool {
+        true
+    }
+
+    fn show_tab_accept_marker() -> bool {
+        true
+    }
+
+    fn supports_jump_to_edit() -> bool {
         false
     }
 
@@ -116,7 +122,7 @@ impl EditPredictionProvider for SupermavenCompletionProvider {
     }
 
     fn is_refreshing(&self) -> bool {
-        self.pending_refresh.is_some()
+        self.pending_refresh.is_some() && self.completion_id.is_none()
     }
 
     fn refresh(
@@ -182,7 +188,7 @@ impl EditPredictionProvider for SupermavenCompletionProvider {
         buffer: &Entity<Buffer>,
         cursor_position: Anchor,
         cx: &mut Context<Self>,
-    ) -> Option<InlineCompletion> {
+    ) -> Option<EditPrediction> {
         let completion_text = self
             .supermaven
             .read(cx)
@@ -197,6 +203,7 @@ impl EditPredictionProvider for SupermavenCompletionProvider {
             let mut point = cursor_position.to_point(&snapshot);
             point.column = snapshot.line_len(point.row);
             let range = cursor_position..snapshot.anchor_after(point);
+
             Some(completion_from_diff(
                 snapshot,
                 completion_text,
diff --git a/crates/supermaven_api/src/supermaven_api.rs b/crates/supermaven_api/src/supermaven_api.rs
index 61d14d5dc7..c4b1409d64 100644
--- a/crates/supermaven_api/src/supermaven_api.rs
+++ b/crates/supermaven_api/src/supermaven_api.rs
@@ -221,9 +221,7 @@ pub fn version_path(version: u64) -> PathBuf {
 }
 
 pub async fn has_version(version_path: &Path) -> bool {
-    fs::metadata(version_path)
-        .await
-        .map_or(false, |m| m.is_file())
+    fs::metadata(version_path).await.is_ok_and(|m| m.is_file())
 }
 
 pub async fn get_supermaven_agent_path(client: Arc<dyn HttpClient>) -> Result<PathBuf> {
diff --git a/crates/svg_preview/src/svg_preview_view.rs b/crates/svg_preview/src/svg_preview_view.rs
index 327856d749..12dd97f0c8 100644
--- a/crates/svg_preview/src/svg_preview_view.rs
+++ b/crates/svg_preview/src/svg_preview_view.rs
@@ -32,79 +32,74 @@ pub enum SvgPreviewMode {
 impl SvgPreviewView {
     pub fn register(workspace: &mut Workspace, _window: &mut Window, _cx: &mut Context<Workspace>) {
         workspace.register_action(move |workspace, _: &OpenPreview, window, cx| {
-            if let Some(editor) = Self::resolve_active_item_as_svg_editor(workspace, cx) {
-                if Self::is_svg_file(&editor, cx) {
-                    let view = Self::create_svg_view(
-                        SvgPreviewMode::Default,
-                        workspace,
-                        editor.clone(),
-                        window,
-                        cx,
-                    );
-                    workspace.active_pane().update(cx, |pane, cx| {
-                        if let Some(existing_view_idx) =
-                            Self::find_existing_preview_item_idx(pane, &editor, cx)
-                        {
-                            pane.activate_item(existing_view_idx, true, true, window, cx);
-                        } else {
-                            pane.add_item(Box::new(view), true, true, None, window, cx)
-                        }
-                    });
-                    cx.notify();
-                }
+            if let Some(editor) = Self::resolve_active_item_as_svg_editor(workspace, cx)
+                && Self::is_svg_file(&editor, cx)
+            {
+                let view = Self::create_svg_view(
+                    SvgPreviewMode::Default,
+                    workspace,
+                    editor.clone(),
+                    window,
+                    cx,
+                );
+                workspace.active_pane().update(cx, |pane, cx| {
+                    if let Some(existing_view_idx) =
+                        Self::find_existing_preview_item_idx(pane, &editor, cx)
+                    {
+                        pane.activate_item(existing_view_idx, true, true, window, cx);
+                    } else {
+                        pane.add_item(Box::new(view), true, true, None, window, cx)
+                    }
+                });
+                cx.notify();
             }
         });
 
         workspace.register_action(move |workspace, _: &OpenPreviewToTheSide, window, cx| {
-            if let Some(editor) = Self::resolve_active_item_as_svg_editor(workspace, cx) {
-                if Self::is_svg_file(&editor, cx) {
-                    let editor_clone = editor.clone();
-                    let view = Self::create_svg_view(
-                        SvgPreviewMode::Default,
-                        workspace,
-                        editor_clone,
-                        window,
-                        cx,
-                    );
-                    let pane = workspace
-                        .find_pane_in_direction(workspace::SplitDirection::Right, cx)
-                        .unwrap_or_else(|| {
-                            workspace.split_pane(
-                                workspace.active_pane().clone(),
-                                workspace::SplitDirection::Right,
-                                window,
-                                cx,
-                            )
-                        });
-                    pane.update(cx, |pane, cx| {
-                        if let Some(existing_view_idx) =
-                            Self::find_existing_preview_item_idx(pane, &editor, cx)
-                        {
-                            pane.activate_item(existing_view_idx, true, true, window, cx);
-                        } else {
-                            pane.add_item(Box::new(view), false, false, None, window, cx)
-                        }
+            if let Some(editor) = Self::resolve_active_item_as_svg_editor(workspace, cx)
+                && Self::is_svg_file(&editor, cx)
+            {
+                let editor_clone = editor.clone();
+                let view = Self::create_svg_view(
+                    SvgPreviewMode::Default,
+                    workspace,
+                    editor_clone,
+                    window,
+                    cx,
+                );
+                let pane = workspace
+                    .find_pane_in_direction(workspace::SplitDirection::Right, cx)
+                    .unwrap_or_else(|| {
+                        workspace.split_pane(
+                            workspace.active_pane().clone(),
+                            workspace::SplitDirection::Right,
+                            window,
+                            cx,
+                        )
                     });
-                    cx.notify();
-                }
+                pane.update(cx, |pane, cx| {
+                    if let Some(existing_view_idx) =
+                        Self::find_existing_preview_item_idx(pane, &editor, cx)
+                    {
+                        pane.activate_item(existing_view_idx, true, true, window, cx);
+                    } else {
+                        pane.add_item(Box::new(view), false, false, None, window, cx)
+                    }
+                });
+                cx.notify();
             }
         });
 
         workspace.register_action(move |workspace, _: &OpenFollowingPreview, window, cx| {
-            if let Some(editor) = Self::resolve_active_item_as_svg_editor(workspace, cx) {
-                if Self::is_svg_file(&editor, cx) {
-                    let view = Self::create_svg_view(
-                        SvgPreviewMode::Follow,
-                        workspace,
-                        editor,
-                        window,
-                        cx,
-                    );
-                    workspace.active_pane().update(cx, |pane, cx| {
-                        pane.add_item(Box::new(view), true, true, None, window, cx)
-                    });
-                    cx.notify();
-                }
+            if let Some(editor) = Self::resolve_active_item_as_svg_editor(workspace, cx)
+                && Self::is_svg_file(&editor, cx)
+            {
+                let view =
+                    Self::create_svg_view(SvgPreviewMode::Follow, workspace, editor, window, cx);
+                workspace.active_pane().update(cx, |pane, cx| {
+                    pane.add_item(Box::new(view), true, true, None, window, cx)
+                });
+                cx.notify();
             }
         });
     }
@@ -162,18 +157,15 @@ impl SvgPreviewView {
                 &active_editor,
                 window,
                 |this: &mut SvgPreviewView, _editor, event: &EditorEvent, window, cx| {
-                    match event {
-                        EditorEvent::Saved => {
-                            // Remove cached image to force reload
-                            if let Some(svg_path) = &this.svg_path {
-                                let resource = Resource::Path(svg_path.clone().into());
-                                this.image_cache.update(cx, |cache, cx| {
-                                    cache.remove(&resource, window, cx);
-                                });
-                            }
-                            cx.notify();
+                    if event == &EditorEvent::Saved {
+                        // Remove cached image to force reload
+                        if let Some(svg_path) = &this.svg_path {
+                            let resource = Resource::Path(svg_path.clone().into());
+                            this.image_cache.update(cx, |cache, cx| {
+                                cache.remove(&resource, window, cx);
+                            });
                         }
-                        _ => {}
+                        cx.notify();
                     }
                 },
             );
@@ -189,25 +181,18 @@ impl SvgPreviewView {
                          event: &workspace::Event,
                          _window,
                          cx| {
-                            match event {
-                                workspace::Event::ActiveItemChanged => {
-                                    let workspace_read = workspace.read(cx);
-                                    if let Some(active_item) = workspace_read.active_item(cx) {
-                                        if let Some(editor_entity) =
-                                            active_item.downcast::<Editor>()
-                                        {
-                                            if Self::is_svg_file(&editor_entity, cx) {
-                                                let new_path =
-                                                    Self::get_svg_path(&editor_entity, cx);
-                                                if this.svg_path != new_path {
-                                                    this.svg_path = new_path;
-                                                    cx.notify();
-                                                }
-                                            }
-                                        }
+                            if let workspace::Event::ActiveItemChanged = event {
+                                let workspace_read = workspace.read(cx);
+                                if let Some(active_item) = workspace_read.active_item(cx)
+                                    && let Some(editor_entity) = active_item.downcast::<Editor>()
+                                    && Self::is_svg_file(&editor_entity, cx)
+                                {
+                                    let new_path = Self::get_svg_path(&editor_entity, cx);
+                                    if this.svg_path != new_path {
+                                        this.svg_path = new_path;
+                                        cx.notify();
                                     }
                                 }
-                                _ => {}
                             }
                         },
                     )
@@ -232,15 +217,15 @@ impl SvgPreviewView {
     {
         let app = cx.borrow();
         let buffer = editor.read(app).buffer().read(app);
-        if let Some(buffer) = buffer.as_singleton() {
-            if let Some(file) = buffer.read(app).file() {
-                return file
-                    .path()
-                    .extension()
-                    .and_then(|ext| ext.to_str())
-                    .map(|ext| ext.eq_ignore_ascii_case("svg"))
-                    .unwrap_or(false);
-            }
+        if let Some(buffer) = buffer.as_singleton()
+            && let Some(file) = buffer.read(app).file()
+        {
+            return file
+                .path()
+                .extension()
+                .and_then(|ext| ext.to_str())
+                .map(|ext| ext.eq_ignore_ascii_case("svg"))
+                .unwrap_or(false);
         }
         false
     }
diff --git a/crates/system_specs/Cargo.toml b/crates/system_specs/Cargo.toml
new file mode 100644
index 0000000000..8ef1b581ae
--- /dev/null
+++ b/crates/system_specs/Cargo.toml
@@ -0,0 +1,28 @@
+[package]
+name = "system_specs"
+version = "0.1.0"
+edition.workspace = true
+publish.workspace = true
+license = "GPL-3.0-or-later"
+
+[lints]
+workspace = true
+
+[lib]
+path = "src/system_specs.rs"
+
+[features]
+default = []
+
+[dependencies]
+anyhow.workspace = true
+client.workspace = true
+gpui.workspace = true
+human_bytes.workspace = true
+release_channel.workspace = true
+serde.workspace = true
+sysinfo.workspace = true
+workspace-hack.workspace = true
+
+[target.'cfg(any(target_os = "linux", target_os = "freebsd"))'.dependencies]
+pciid-parser.workspace = true
diff --git a/crates/system_specs/LICENSE-GPL b/crates/system_specs/LICENSE-GPL
new file mode 120000
index 0000000000..89e542f750
--- /dev/null
+++ b/crates/system_specs/LICENSE-GPL
@@ -0,0 +1 @@
+../../LICENSE-GPL
\ No newline at end of file
diff --git a/crates/feedback/src/system_specs.rs b/crates/system_specs/src/system_specs.rs
similarity index 58%
rename from crates/feedback/src/system_specs.rs
rename to crates/system_specs/src/system_specs.rs
index 7c002d90e9..731d335232 100644
--- a/crates/feedback/src/system_specs.rs
+++ b/crates/system_specs/src/system_specs.rs
@@ -1,11 +1,22 @@
+//! # system_specs
+
 use client::telemetry;
-use gpui::{App, AppContext as _, SemanticVersion, Task, Window};
+pub use gpui::GpuSpecs;
+use gpui::{App, AppContext as _, SemanticVersion, Task, Window, actions};
 use human_bytes::human_bytes;
 use release_channel::{AppCommitSha, AppVersion, ReleaseChannel};
 use serde::Serialize;
 use std::{env, fmt::Display};
 use sysinfo::{MemoryRefreshKind, RefreshKind, System};
 
+actions!(
+    zed,
+    [
+        /// Copies system specifications to the clipboard for bug reports.
+        CopySystemSpecsIntoClipboard,
+    ]
+);
+
 #[derive(Clone, Debug, Serialize)]
 pub struct SystemSpecs {
     app_version: String,
@@ -31,7 +42,7 @@ impl SystemSpecs {
         let architecture = env::consts::ARCH;
         let commit_sha = match release_channel {
             ReleaseChannel::Dev | ReleaseChannel::Nightly => {
-                AppCommitSha::try_global(cx).map(|sha| sha.full().clone())
+                AppCommitSha::try_global(cx).map(|sha| sha.full())
             }
             _ => None,
         };
@@ -135,7 +146,7 @@ impl Display for SystemSpecs {
 fn try_determine_available_gpus() -> Option<String> {
     #[cfg(any(target_os = "linux", target_os = "freebsd"))]
     {
-        return std::process::Command::new("vulkaninfo")
+        std::process::Command::new("vulkaninfo")
             .args(&["--summary"])
             .output()
             .ok()
@@ -150,14 +161,123 @@ fn try_determine_available_gpus() -> Option<String> {
                 ]
                 .join("\n")
             })
-            .or(Some("Failed to run `vulkaninfo --summary`".to_string()));
+            .or(Some("Failed to run `vulkaninfo --summary`".to_string()))
     }
     #[cfg(not(any(target_os = "linux", target_os = "freebsd")))]
     {
-        return None;
+        None
     }
 }
 
+#[derive(Debug, PartialEq, Eq, serde::Deserialize, serde::Serialize, Clone)]
+pub struct GpuInfo {
+    pub device_name: Option<String>,
+    pub device_pci_id: u16,
+    pub vendor_name: Option<String>,
+    pub vendor_pci_id: u16,
+    pub driver_version: Option<String>,
+    pub driver_name: Option<String>,
+}
+
+#[cfg(any(target_os = "linux", target_os = "freebsd"))]
+pub fn read_gpu_info_from_sys_class_drm() -> anyhow::Result<Vec<GpuInfo>> {
+    use anyhow::Context as _;
+    use pciid_parser;
+    let dir_iter = std::fs::read_dir("/sys/class/drm").context("Failed to read /sys/class/drm")?;
+    let mut pci_addresses = vec![];
+    let mut gpus = Vec::<GpuInfo>::new();
+    let pci_db = pciid_parser::Database::read().ok();
+    for entry in dir_iter {
+        let Ok(entry) = entry else {
+            continue;
+        };
+
+        let device_path = entry.path().join("device");
+        let Some(pci_address) = device_path.read_link().ok().and_then(|pci_address| {
+            pci_address
+                .file_name()
+                .and_then(std::ffi::OsStr::to_str)
+                .map(str::trim)
+                .map(str::to_string)
+        }) else {
+            continue;
+        };
+        let Ok(device_pci_id) = read_pci_id_from_path(device_path.join("device")) else {
+            continue;
+        };
+        let Ok(vendor_pci_id) = read_pci_id_from_path(device_path.join("vendor")) else {
+            continue;
+        };
+        let driver_name = std::fs::read_link(device_path.join("driver"))
+            .ok()
+            .and_then(|driver_link| {
+                driver_link
+                    .file_name()
+                    .and_then(std::ffi::OsStr::to_str)
+                    .map(str::trim)
+                    .map(str::to_string)
+            });
+        let driver_version = driver_name
+            .as_ref()
+            .and_then(|driver_name| {
+                std::fs::read_to_string(format!("/sys/module/{driver_name}/version")).ok()
+            })
+            .as_deref()
+            .map(str::trim)
+            .map(str::to_string);
+
+        let already_found = gpus
+            .iter()
+            .zip(&pci_addresses)
+            .any(|(gpu, gpu_pci_address)| {
+                gpu_pci_address == &pci_address
+                    && gpu.driver_version == driver_version
+                    && gpu.driver_name == driver_name
+            });
+
+        if already_found {
+            continue;
+        }
+
+        let vendor = pci_db
+            .as_ref()
+            .and_then(|db| db.vendors.get(&vendor_pci_id));
+        let vendor_name = vendor.map(|vendor| vendor.name.clone());
+        let device_name = vendor
+            .and_then(|vendor| vendor.devices.get(&device_pci_id))
+            .map(|device| device.name.clone());
+
+        gpus.push(GpuInfo {
+            device_name,
+            device_pci_id,
+            vendor_name,
+            vendor_pci_id,
+            driver_version,
+            driver_name,
+        });
+        pci_addresses.push(pci_address);
+    }
+
+    Ok(gpus)
+}
+
+#[cfg(any(target_os = "linux", target_os = "freebsd"))]
+fn read_pci_id_from_path(path: impl AsRef<std::path::Path>) -> anyhow::Result<u16> {
+    use anyhow::Context as _;
+    let id = std::fs::read_to_string(path)?;
+    let id = id
+        .trim()
+        .strip_prefix("0x")
+        .context("Not a device ID")
+        .context(id.clone())?;
+    anyhow::ensure!(
+        id.len() == 4,
+        "Not a device id, expected 4 digits, found {}",
+        id.len()
+    );
+    u16::from_str_radix(id, 16).context("Failed to parse device ID")
+}
+
 /// Returns value of `ZED_BUNDLE_TYPE` set at compiletime or else at runtime.
 ///
 /// The compiletime value is used by flatpak since it doesn't seem to have a way to provide a
diff --git a/crates/tab_switcher/src/tab_switcher.rs b/crates/tab_switcher/src/tab_switcher.rs
index 12af124ec7..bf3ce7b568 100644
--- a/crates/tab_switcher/src/tab_switcher.rs
+++ b/crates/tab_switcher/src/tab_switcher.rs
@@ -2,12 +2,14 @@
 mod tab_switcher_tests;
 
 use collections::HashMap;
-use editor::items::entry_git_aware_label_color;
+use editor::items::{
+    entry_diagnostic_aware_icon_decoration_and_color, entry_git_aware_label_color,
+};
 use fuzzy::StringMatchCandidate;
 use gpui::{
     Action, AnyElement, App, Context, DismissEvent, Entity, EntityId, EventEmitter, FocusHandle,
-    Focusable, Modifiers, ModifiersChangedEvent, MouseButton, MouseUpEvent, ParentElement, Render,
-    Styled, Task, WeakEntity, Window, actions, rems,
+    Focusable, Modifiers, ModifiersChangedEvent, MouseButton, MouseUpEvent, ParentElement, Point,
+    Render, Styled, Task, WeakEntity, Window, actions, rems,
 };
 use picker::{Picker, PickerDelegate};
 use project::Project;
@@ -15,11 +17,14 @@ use schemars::JsonSchema;
 use serde::Deserialize;
 use settings::Settings;
 use std::{cmp::Reverse, sync::Arc};
-use ui::{ListItem, ListItemSpacing, Tooltip, prelude::*};
+use ui::{
+    DecoratedIcon, IconDecoration, IconDecorationKind, ListItem, ListItemSpacing, Tooltip,
+    prelude::*,
+};
 use util::ResultExt;
 use workspace::{
     ModalView, Pane, SaveIntent, Workspace,
-    item::{ItemHandle, ItemSettings, TabContentParams},
+    item::{ItemHandle, ItemSettings, ShowDiagnostics, TabContentParams},
     pane::{Event as PaneEvent, render_item_indicator, tab_details},
 };
 
@@ -113,7 +118,13 @@ impl TabSwitcher {
         }
 
         let weak_workspace = workspace.weak_handle();
+
         let project = workspace.project().clone();
+        let original_items: Vec<_> = workspace
+            .panes()
+            .iter()
+            .map(|p| (p.clone(), p.read(cx).active_item_index()))
+            .collect();
         workspace.toggle_modal(window, cx, |window, cx| {
             let delegate = TabSwitcherDelegate::new(
                 project,
@@ -124,6 +135,7 @@ impl TabSwitcher {
                 is_global,
                 window,
                 cx,
+                original_items,
             );
             TabSwitcher::new(delegate, window, is_global, cx)
         });
@@ -221,7 +233,80 @@ pub struct TabSwitcherDelegate {
     workspace: WeakEntity<Workspace>,
     project: Entity<Project>,
     matches: Vec<TabMatch>,
+    original_items: Vec<(Entity<Pane>, usize)>,
     is_all_panes: bool,
+    restored_items: bool,
+}
+
+impl TabMatch {
+    fn icon(
+        &self,
+        project: &Entity<Project>,
+        selected: bool,
+        window: &Window,
+        cx: &App,
+    ) -> Option<DecoratedIcon> {
+        let icon = self.item.tab_icon(window, cx)?;
+        let item_settings = ItemSettings::get_global(cx);
+        let show_diagnostics = item_settings.show_diagnostics;
+        let git_status_color = item_settings
+            .git_status
+            .then(|| {
+                let path = self.item.project_path(cx)?;
+                let project = project.read(cx);
+                let entry = project.entry_for_path(&path, cx)?;
+                let git_status = project
+                    .project_path_git_status(&path, cx)
+                    .map(|status| status.summary())
+                    .unwrap_or_default();
+                Some(entry_git_aware_label_color(
+                    git_status,
+                    entry.is_ignored,
+                    selected,
+                ))
+            })
+            .flatten();
+        let colored_icon = icon.color(git_status_color.unwrap_or_default());
+
+        let most_sever_diagostic_level = if show_diagnostics == ShowDiagnostics::Off {
+            None
+        } else {
+            let buffer_store = project.read(cx).buffer_store().read(cx);
+            let buffer = self
+                .item
+                .project_path(cx)
+                .and_then(|path| buffer_store.get_by_path(&path))
+                .map(|buffer| buffer.read(cx));
+            buffer.and_then(|buffer| {
+                buffer
+                    .buffer_diagnostics(None)
+                    .iter()
+                    .map(|diagnostic_entry| diagnostic_entry.diagnostic.severity)
+                    .min()
+            })
+        };
+
+        let decorations =
+            entry_diagnostic_aware_icon_decoration_and_color(most_sever_diagostic_level)
+                .filter(|(d, _)| {
+                    *d != IconDecorationKind::Triangle
+                        || show_diagnostics != ShowDiagnostics::Errors
+                })
+                .map(|(icon, color)| {
+                    let knockout_item_color = if selected {
+                        cx.theme().colors().element_selected
+                    } else {
+                        cx.theme().colors().element_background
+                    };
+                    IconDecoration::new(icon, knockout_item_color, cx)
+                        .color(color.color(cx))
+                        .position(Point {
+                            x: px(-2.),
+                            y: px(-2.),
+                        })
+                });
+        Some(DecoratedIcon::new(colored_icon, decorations))
+    }
 }
 
 impl TabSwitcherDelegate {
@@ -235,6 +320,7 @@ impl TabSwitcherDelegate {
         is_all_panes: bool,
         window: &mut Window,
         cx: &mut Context<TabSwitcher>,
+        original_items: Vec<(Entity<Pane>, usize)>,
     ) -> Self {
         Self::subscribe_to_updates(&pane, window, cx);
         Self {
@@ -246,6 +332,8 @@ impl TabSwitcherDelegate {
             project,
             matches: Vec::new(),
             is_all_panes,
+            original_items,
+            restored_items: false,
         }
     }
 
@@ -300,14 +388,6 @@ impl TabSwitcherDelegate {
 
         let matches = if query.is_empty() {
             let history = workspace.read(cx).recently_activated_items(cx);
-            for item in &all_items {
-                eprintln!(
-                    "{:?} {:?}",
-                    item.item.tab_content_text(0, cx),
-                    (Reverse(history.get(&item.item.item_id())), item.item_index)
-                )
-            }
-            eprintln!("");
             all_items
                 .sort_by_key(|tab| (Reverse(history.get(&tab.item.item_id())), tab.item_index));
             all_items
@@ -474,8 +554,25 @@ impl PickerDelegate for TabSwitcherDelegate {
         self.selected_index
     }
 
-    fn set_selected_index(&mut self, ix: usize, _: &mut Window, cx: &mut Context<Picker<Self>>) {
+    fn set_selected_index(
+        &mut self,
+        ix: usize,
+        window: &mut Window,
+        cx: &mut Context<Picker<Self>>,
+    ) {
         self.selected_index = ix;
+
+        let Some(selected_match) = self.matches.get(self.selected_index()) else {
+            return;
+        };
+        selected_match
+            .pane
+            .update(cx, |pane, cx| {
+                if let Some(index) = pane.index_for_item(selected_match.item.as_ref()) {
+                    pane.activate_item(index, false, false, window, cx);
+                }
+            })
+            .ok();
         cx.notify();
     }
 
@@ -502,6 +599,13 @@ impl PickerDelegate for TabSwitcherDelegate {
         let Some(selected_match) = self.matches.get(self.selected_index()) else {
             return;
         };
+
+        self.restored_items = true;
+        for (pane, index) in self.original_items.iter() {
+            pane.update(cx, |this, cx| {
+                this.activate_item(*index, false, false, window, cx);
+            })
+        }
         selected_match
             .pane
             .update(cx, |pane, cx| {
@@ -512,7 +616,15 @@ impl PickerDelegate for TabSwitcherDelegate {
             .ok();
     }
 
-    fn dismissed(&mut self, _: &mut Window, cx: &mut Context<Picker<TabSwitcherDelegate>>) {
+    fn dismissed(&mut self, window: &mut Window, cx: &mut Context<Picker<TabSwitcherDelegate>>) {
+        if !self.restored_items {
+            for (pane, index) in self.original_items.iter() {
+                pane.update(cx, |this, cx| {
+                    this.activate_item(*index, false, false, window, cx);
+                })
+            }
+        }
+
         self.tab_switcher
             .update(cx, |_, cx| cx.emit(DismissEvent))
             .log_err();
@@ -538,31 +650,7 @@ impl PickerDelegate for TabSwitcherDelegate {
         };
         let label = tab_match.item.tab_content(params, window, cx);
 
-        let icon = tab_match.item.tab_icon(window, cx).map(|icon| {
-            let git_status_color = ItemSettings::get_global(cx)
-                .git_status
-                .then(|| {
-                    tab_match
-                        .item
-                        .project_path(cx)
-                        .as_ref()
-                        .and_then(|path| {
-                            let project = self.project.read(cx);
-                            let entry = project.entry_for_path(path, cx)?;
-                            let git_status = project
-                                .project_path_git_status(path, cx)
-                                .map(|status| status.summary())
-                                .unwrap_or_default();
-                            Some((entry, git_status))
-                        })
-                        .map(|(entry, git_status)| {
-                            entry_git_aware_label_color(git_status, entry.is_ignored, selected)
-                        })
-                })
-                .flatten();
-
-            icon.color(git_status_color.unwrap_or_default())
-        });
+        let icon = tab_match.icon(&self.project, selected, window, cx);
 
         let indicator = render_item_indicator(tab_match.item.boxed_clone(), cx);
         let indicator_color = if let Some(ref indicator) = indicator {
@@ -604,7 +692,7 @@ impl PickerDelegate for TabSwitcherDelegate {
                 .inset(true)
                 .toggle_state(selected)
                 .child(h_flex().w_full().child(label))
-                .start_slot::<Icon>(icon)
+                .start_slot::<DecoratedIcon>(icon)
                 .map(|el| {
                     if self.selected_index == ix {
                         el.end_slot::<AnyElement>(close_button)
diff --git a/crates/task/src/debug_format.rs b/crates/task/src/debug_format.rs
index f20f55975e..38089670e2 100644
--- a/crates/task/src/debug_format.rs
+++ b/crates/task/src/debug_format.rs
@@ -299,13 +299,12 @@ impl DebugTaskFile {
             if let Some(properties) = template_object
                 .get_mut("properties")
                 .and_then(|value| value.as_object_mut())
+                && properties.remove("label").is_none()
             {
-                if properties.remove("label").is_none() {
-                    debug_panic!(
-                        "Generated TaskTemplate json schema did not have expected 'label' field. \
+                debug_panic!(
+                    "Generated TaskTemplate json schema did not have expected 'label' field. \
                         Schema of 2nd alternative is: {template_object:?}"
-                    );
-                }
+                );
             }
 
             if let Some(arr) = template_object
diff --git a/crates/task/src/shell_builder.rs b/crates/task/src/shell_builder.rs
index b8c49d4230..de4ddc00f4 100644
--- a/crates/task/src/shell_builder.rs
+++ b/crates/task/src/shell_builder.rs
@@ -1,26 +1,40 @@
 use crate::Shell;
 
-#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)]
-enum ShellKind {
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum ShellKind {
     #[default]
     Posix,
+    Csh,
+    Fish,
     Powershell,
     Nushell,
     Cmd,
 }
 
 impl ShellKind {
-    fn new(program: &str) -> Self {
+    pub fn system() -> Self {
+        Self::new(&system_shell())
+    }
+
+    pub fn new(program: &str) -> Self {
+        #[cfg(windows)]
+        let (_, program) = program.rsplit_once('\\').unwrap_or(("", program));
+        #[cfg(not(windows))]
+        let (_, program) = program.rsplit_once('/').unwrap_or(("", program));
         if program == "powershell"
-            || program.ends_with("powershell.exe")
+            || program == "powershell.exe"
             || program == "pwsh"
-            || program.ends_with("pwsh.exe")
+            || program == "pwsh.exe"
         {
             ShellKind::Powershell
-        } else if program == "cmd" || program.ends_with("cmd.exe") {
+        } else if program == "cmd" || program == "cmd.exe" {
             ShellKind::Cmd
         } else if program == "nu" {
             ShellKind::Nushell
+        } else if program == "fish" {
+            ShellKind::Fish
+        } else if program == "csh" {
+            ShellKind::Csh
         } else {
             // Someother shell detected, the user might install and use a
             // unix-like shell.
@@ -28,11 +42,13 @@ impl ShellKind {
         }
     }
 
-    fn to_shell_variable(&self, input: &str) -> String {
+    fn to_shell_variable(self, input: &str) -> String {
         match self {
             Self::Powershell => Self::to_powershell_variable(input),
             Self::Cmd => Self::to_cmd_variable(input),
             Self::Posix => input.to_owned(),
+            Self::Fish => input.to_owned(),
+            Self::Csh => input.to_owned(),
             Self::Nushell => Self::to_nushell_variable(input),
         }
     }
@@ -153,7 +169,7 @@ impl ShellKind {
         match self {
             ShellKind::Powershell => vec!["-C".to_owned(), combined_command],
             ShellKind::Cmd => vec!["/C".to_owned(), combined_command],
-            ShellKind::Posix | ShellKind::Nushell => interactive
+            ShellKind::Posix | ShellKind::Nushell | ShellKind::Fish | ShellKind::Csh => interactive
                 .then(|| "-i".to_owned())
                 .into_iter()
                 .chain(["-c".to_owned(), combined_command])
@@ -184,19 +200,14 @@ pub struct ShellBuilder {
     kind: ShellKind,
 }
 
-pub static DEFAULT_REMOTE_SHELL: &str = "\"${SHELL:-sh}\"";
-
 impl ShellBuilder {
     /// Create a new ShellBuilder as configured.
-    pub fn new(is_local: bool, shell: &Shell) -> Self {
+    pub fn new(remote_system_shell: Option<&str>, shell: &Shell) -> Self {
         let (program, args) = match shell {
-            Shell::System => {
-                if is_local {
-                    (system_shell(), Vec::new())
-                } else {
-                    (DEFAULT_REMOTE_SHELL.to_string(), Vec::new())
-                }
-            }
+            Shell::System => match remote_system_shell {
+                Some(remote_shell) => (remote_shell.to_string(), Vec::new()),
+                None => (system_shell(), Vec::new()),
+            },
             Shell::Program(shell) => (shell.clone(), Vec::new()),
             Shell::WithArguments { program, args, .. } => (program.clone(), args.clone()),
         };
@@ -212,6 +223,7 @@ impl ShellBuilder {
         self.interactive = false;
         self
     }
+
     /// Returns the label to show in the terminal tab
     pub fn command_label(&self, command_label: &str) -> String {
         match self.kind {
@@ -221,7 +233,7 @@ impl ShellBuilder {
             ShellKind::Cmd => {
                 format!("{} /C '{}'", self.program, command_label)
             }
-            ShellKind::Posix | ShellKind::Nushell => {
+            ShellKind::Posix | ShellKind::Nushell | ShellKind::Fish | ShellKind::Csh => {
                 let interactivity = self.interactive.then_some("-i ").unwrap_or_default();
                 format!(
                     "{} {interactivity}-c '$\"{}\"'",
@@ -234,16 +246,14 @@ impl ShellBuilder {
     pub fn build(
         mut self,
         task_command: Option<String>,
-        task_args: &Vec<String>,
+        task_args: &[String],
     ) -> (String, Vec<String>) {
         if let Some(task_command) = task_command {
-            let combined_command = task_args
-                .into_iter()
-                .fold(task_command, |mut command, arg| {
-                    command.push(' ');
-                    command.push_str(&self.kind.to_shell_variable(arg));
-                    command
-                });
+            let combined_command = task_args.iter().fold(task_command, |mut command, arg| {
+                command.push(' ');
+                command.push_str(&self.kind.to_shell_variable(arg));
+                command
+            });
 
             self.args
                 .extend(self.kind.args_for_shell(self.interactive, combined_command));
@@ -260,11 +270,11 @@ mod test {
     #[test]
     fn test_nu_shell_variable_substitution() {
         let shell = Shell::Program("nu".to_owned());
-        let shell_builder = ShellBuilder::new(true, &shell);
+        let shell_builder = ShellBuilder::new(None, &shell);
 
         let (program, args) = shell_builder.build(
             Some("echo".into()),
-            &vec![
+            &[
                 "${hello}".to_string(),
                 "$world".to_string(),
                 "nothing".to_string(),
diff --git a/crates/task/src/static_source.rs b/crates/task/src/static_source.rs
index 0e7a021b06..9e4051ef97 100644
--- a/crates/task/src/static_source.rs
+++ b/crates/task/src/static_source.rs
@@ -75,7 +75,6 @@ impl<T: PartialEq + 'static + Sync> TrackedFile<T> {
     {
         let parsed_contents: Arc<RwLock<T>> = Arc::default();
         cx.background_spawn({
-            let parsed_contents = parsed_contents.clone();
             async move {
                 while let Some(new_contents) = tracker.next().await {
                     if Arc::strong_count(&parsed_contents) == 1 {
diff --git a/crates/task/src/task.rs b/crates/task/src/task.rs
index aae28ab874..eb9e59f087 100644
--- a/crates/task/src/task.rs
+++ b/crates/task/src/task.rs
@@ -22,7 +22,7 @@ pub use debug_format::{
     AttachRequest, BuildTaskDefinition, DebugRequest, DebugScenario, DebugTaskFile, LaunchRequest,
     Request, TcpArgumentsTemplate, ZedDebugConfig,
 };
-pub use shell_builder::{DEFAULT_REMOTE_SHELL, ShellBuilder};
+pub use shell_builder::{ShellBuilder, ShellKind};
 pub use task_template::{
     DebugArgsRequest, HideStrategy, RevealStrategy, TaskTemplate, TaskTemplates,
     substitute_variables_in_map, substitute_variables_in_str,
@@ -100,7 +100,7 @@ impl SpawnInTerminal {
             command: proto.command.clone(),
             args: proto.args.clone(),
             env: proto.env.into_iter().collect(),
-            cwd: proto.cwd.map(PathBuf::from).clone(),
+            cwd: proto.cwd.map(PathBuf::from),
             ..Default::default()
         }
     }
diff --git a/crates/task/src/task_template.rs b/crates/task/src/task_template.rs
index 24e11d7715..3d1d180557 100644
--- a/crates/task/src/task_template.rs
+++ b/crates/task/src/task_template.rs
@@ -183,6 +183,10 @@ impl TaskTemplate {
                 &mut substituted_variables,
             )?
         } else {
+            #[allow(
+                clippy::redundant_clone,
+                reason = "We want to clone the full_label to avoid borrowing it in the fold closure"
+            )]
             full_label.clone()
         }
         .lines()
@@ -453,7 +457,7 @@ mod tests {
             TaskTemplate {
                 label: "".to_string(),
                 command: "".to_string(),
-                ..task_with_all_properties.clone()
+                ..task_with_all_properties
             },
         ] {
             assert_eq!(
@@ -521,7 +525,7 @@ mod tests {
         );
 
         let cx = TaskContext {
-            cwd: Some(context_cwd.clone()),
+            cwd: Some(context_cwd),
             task_variables: TaskVariables::default(),
             project_env: HashMap::default(),
         };
@@ -768,7 +772,7 @@ mod tests {
                     "test_env_key".to_string(),
                     format!("test_env_var_{}", VariableName::Symbol.template_value()),
                 )]),
-                ..task_with_all_properties.clone()
+                ..task_with_all_properties
             },
         ]
         .into_iter()
@@ -871,7 +875,7 @@ mod tests {
 
         let context = TaskContext {
             cwd: None,
-            task_variables: TaskVariables::from_iter(all_variables.clone()),
+            task_variables: TaskVariables::from_iter(all_variables),
             project_env,
         };
 
diff --git a/crates/task/src/vscode_debug_format.rs b/crates/task/src/vscode_debug_format.rs
index 2990716686..5e21cd6530 100644
--- a/crates/task/src/vscode_debug_format.rs
+++ b/crates/task/src/vscode_debug_format.rs
@@ -30,12 +30,12 @@ impl VsCodeDebugTaskDefinition {
         let label = replacer.replace(&self.name);
         let mut config = replacer.replace_value(self.other_attributes);
         let adapter = task_type_to_adapter_name(&self.r#type);
-        if let Some(config) = config.as_object_mut() {
-            if adapter == "JavaScript" {
-                config.insert("type".to_owned(), self.r#type.clone().into());
-                if let Some(port) = self.port.take() {
-                    config.insert("port".to_owned(), port.into());
-                }
+        if let Some(config) = config.as_object_mut()
+            && adapter == "JavaScript"
+        {
+            config.insert("type".to_owned(), self.r#type.clone().into());
+            if let Some(port) = self.port.take() {
+                config.insert("port".to_owned(), port.into());
             }
         }
         let definition = DebugScenario {
@@ -131,7 +131,7 @@ mod tests {
             }
         "#;
         let parsed: VsCodeDebugTaskFile =
-            serde_json_lenient::from_str(&raw).expect("deserializing launch.json");
+            serde_json_lenient::from_str(raw).expect("deserializing launch.json");
         let zed = DebugTaskFile::try_from(parsed).expect("converting to Zed debug templates");
         pretty_assertions::assert_eq!(
             zed,
diff --git a/crates/tasks_ui/src/modal.rs b/crates/tasks_ui/src/modal.rs
index 1510f613e3..423c28c710 100644
--- a/crates/tasks_ui/src/modal.rs
+++ b/crates/tasks_ui/src/modal.rs
@@ -461,7 +461,7 @@ impl PickerDelegate for TasksModalDelegate {
             tooltip_label_text.push_str(&resolved_task.resolved.command_label);
         }
 
-        if template.tags.len() > 0 {
+        if !template.tags.is_empty() {
             tooltip_label_text.push('\n');
             tooltip_label_text.push_str(
                 template
@@ -500,7 +500,7 @@ impl PickerDelegate for TasksModalDelegate {
         .map(|icon| icon.color(Color::Muted).size(IconSize::Small));
         let indicator = if matches!(source_kind, TaskSourceKind::Lsp { .. }) {
             Some(Indicator::icon(
-                Icon::new(IconName::Bolt).size(IconSize::Small),
+                Icon::new(IconName::BoltOutlined).size(IconSize::Small),
             ))
         } else {
             None
@@ -550,7 +550,7 @@ impl PickerDelegate for TasksModalDelegate {
                     list_item.tooltip(move |_, _| item_label.clone())
                 })
                 .map(|item| {
-                    let item = if matches!(source_kind, TaskSourceKind::UserInput)
+                    if matches!(source_kind, TaskSourceKind::UserInput)
                         || Some(ix) <= self.divider_index
                     {
                         let task_index = hit.candidate_id;
@@ -579,8 +579,7 @@ impl PickerDelegate for TasksModalDelegate {
                         item.end_hover_slot(delete_button)
                     } else {
                         item
-                    };
-                    item
+                    }
                 })
                 .toggle_state(selected)
                 .child(highlighted_location.render(window, cx)),
diff --git a/crates/tasks_ui/src/tasks_ui.rs b/crates/tasks_ui/src/tasks_ui.rs
index 0b3f70e6bc..3f3a4cc116 100644
--- a/crates/tasks_ui/src/tasks_ui.rs
+++ b/crates/tasks_ui/src/tasks_ui.rs
@@ -148,9 +148,9 @@ pub fn toggle_modal(
 ) -> Task<()> {
     let task_store = workspace.project().read(cx).task_store().clone();
     let workspace_handle = workspace.weak_handle();
-    let can_open_modal = workspace.project().update(cx, |project, cx| {
-        project.is_local() || project.ssh_connection_string(cx).is_some() || project.is_via_ssh()
-    });
+    let can_open_modal = workspace
+        .project()
+        .read_with(cx, |project, _| !project.is_via_collab());
     if can_open_modal {
         let task_contexts = task_contexts(workspace, window, cx);
         cx.spawn_in(window, async move |workspace, cx| {
@@ -227,10 +227,10 @@ where
 
                 tasks.retain_mut(|(task_source_kind, target_task)| {
                     if predicate((task_source_kind, target_task)) {
-                        if let Some(overrides) = &overrides {
-                            if let Some(target_override) = overrides.reveal_target {
-                                target_task.reveal_target = target_override;
-                            }
+                        if let Some(overrides) = &overrides
+                            && let Some(target_override) = overrides.reveal_target
+                        {
+                            target_task.reveal_target = target_override;
                         }
                         workspace.schedule_task(
                             task_source_kind.clone(),
@@ -283,7 +283,7 @@ pub fn task_contexts(
                 .project()
                 .read(cx)
                 .worktree_for_id(*worktree_id, cx)
-                .map_or(false, |worktree| is_visible_directory(&worktree, cx))
+                .is_some_and(|worktree| is_visible_directory(&worktree, cx))
         })
         .or_else(|| {
             workspace
@@ -343,11 +343,10 @@ pub fn task_contexts(
         task_contexts.lsp_task_sources = lsp_task_sources;
         task_contexts.latest_selection = latest_selection;
 
-        if let Some(editor_context_task) = editor_context_task {
-            if let Some(editor_context) = editor_context_task.await {
-                task_contexts.active_item_context =
-                    Some((active_worktree, location, editor_context));
-            }
+        if let Some(editor_context_task) = editor_context_task
+            && let Some(editor_context) = editor_context_task.await
+        {
+            task_contexts.active_item_context = Some((active_worktree, location, editor_context));
         }
 
         if let Some(active_worktree) = active_worktree {
@@ -373,7 +372,7 @@ pub fn task_contexts(
 
 fn is_visible_directory(worktree: &Entity<Worktree>, cx: &App) -> bool {
     let worktree = worktree.read(cx);
-    worktree.is_visible() && worktree.root_entry().map_or(false, |entry| entry.is_dir())
+    worktree.is_visible() && worktree.root_entry().is_some_and(|entry| entry.is_dir())
 }
 
 fn worktree_context(worktree_abs_path: &Path) -> TaskContext {
@@ -435,7 +434,7 @@ mod tests {
         )
         .await;
         let project = Project::test(fs, [path!("/dir").as_ref()], cx).await;
-        let worktree_store = project.read_with(cx, |project, _| project.worktree_store().clone());
+        let worktree_store = project.read_with(cx, |project, _| project.worktree_store());
         let rust_language = Arc::new(
             Language::new(
                 LanguageConfig::default(),
diff --git a/crates/telemetry/src/telemetry.rs b/crates/telemetry/src/telemetry.rs
index f8f7d5851e..ac43457c33 100644
--- a/crates/telemetry/src/telemetry.rs
+++ b/crates/telemetry/src/telemetry.rs
@@ -55,7 +55,6 @@ macro_rules! serialize_property {
 pub fn send_event(event: Event) {
     if let Some(queue) = TELEMETRY_QUEUE.get() {
         queue.unbounded_send(event).ok();
-        return;
     }
 }
 
diff --git a/crates/telemetry_events/src/telemetry_events.rs b/crates/telemetry_events/src/telemetry_events.rs
index dfe167fcd4..12d8d4c04b 100644
--- a/crates/telemetry_events/src/telemetry_events.rs
+++ b/crates/telemetry_events/src/telemetry_events.rs
@@ -2,7 +2,7 @@
 
 use semantic_version::SemanticVersion;
 use serde::{Deserialize, Serialize};
-use std::{collections::HashMap, fmt::Display, sync::Arc, time::Duration};
+use std::{collections::HashMap, fmt::Display, time::Duration};
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct EventRequestBody {
@@ -93,19 +93,6 @@ impl Display for AssistantPhase {
 #[serde(tag = "type")]
 pub enum Event {
     Flexible(FlexibleEvent),
-    Editor(EditorEvent),
-    InlineCompletion(InlineCompletionEvent),
-    InlineCompletionRating(InlineCompletionRatingEvent),
-    Call(CallEvent),
-    Assistant(AssistantEventData),
-    Cpu(CpuEvent),
-    Memory(MemoryEvent),
-    App(AppEvent),
-    Setting(SettingEvent),
-    Extension(ExtensionEvent),
-    Edit(EditEvent),
-    Action(ActionEvent),
-    Repl(ReplEvent),
 }
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
@@ -115,53 +102,11 @@ pub struct FlexibleEvent {
 }
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct EditorEvent {
-    /// The editor operation performed (open, save)
-    pub operation: String,
-    /// The extension of the file that was opened or saved
-    pub file_extension: Option<String>,
-    /// Whether the user is in vim mode or not
-    pub vim_mode: bool,
-    /// Whether the user has copilot enabled or not
-    pub copilot_enabled: bool,
-    /// Whether the user has copilot enabled for the language of the file opened or saved
-    pub copilot_enabled_for_language: bool,
-    /// Whether the client is opening/saving a local file or a remote file via SSH
-    #[serde(default)]
-    pub is_via_ssh: bool,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct InlineCompletionEvent {
-    /// Provider of the completion suggestion (e.g. copilot, supermaven)
-    pub provider: String,
-    pub suggestion_accepted: bool,
-    pub file_extension: Option<String>,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub enum InlineCompletionRating {
+pub enum EditPredictionRating {
     Positive,
     Negative,
 }
 
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct InlineCompletionRatingEvent {
-    pub rating: InlineCompletionRating,
-    pub input_events: Arc<str>,
-    pub input_excerpt: Arc<str>,
-    pub output_excerpt: Arc<str>,
-    pub feedback: String,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct CallEvent {
-    /// Operation performed: invite/join call; begin/end screenshare; share/unshare project; etc
-    pub operation: String,
-    pub room_id: Option<u64>,
-    pub channel_id: Option<u64>,
-}
-
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct AssistantEventData {
     /// Unique random identifier for each assistant tab (None for inline assist)
@@ -180,57 +125,6 @@ pub struct AssistantEventData {
     pub language_name: Option<String>,
 }
 
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct CpuEvent {
-    pub usage_as_percentage: f32,
-    pub core_count: u32,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct MemoryEvent {
-    pub memory_in_bytes: u64,
-    pub virtual_memory_in_bytes: u64,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct ActionEvent {
-    pub source: String,
-    pub action: String,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct EditEvent {
-    pub duration: i64,
-    pub environment: String,
-    /// Whether the edits occurred locally or remotely via SSH
-    #[serde(default)]
-    pub is_via_ssh: bool,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct SettingEvent {
-    pub setting: String,
-    pub value: String,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct ExtensionEvent {
-    pub extension_id: Arc<str>,
-    pub version: Arc<str>,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct AppEvent {
-    pub operation: String,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct ReplEvent {
-    pub kernel_language: String,
-    pub kernel_status: String,
-    pub repl_session_id: String,
-}
-
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct BacktraceFrame {
     pub ip: usize,
diff --git a/crates/terminal/Cargo.toml b/crates/terminal/Cargo.toml
index 93f61622c8..b1c0dd693f 100644
--- a/crates/terminal/Cargo.toml
+++ b/crates/terminal/Cargo.toml
@@ -5,6 +5,13 @@ edition.workspace = true
 publish.workspace = true
 license = "GPL-3.0-or-later"
 
+[features]
+test-support = [
+    "collections/test-support",
+    "gpui/test-support",
+    "settings/test-support",
+]
+
 [lints]
 workspace = true
 
@@ -39,5 +46,6 @@ workspace-hack.workspace = true
 windows.workspace = true
 
 [dev-dependencies]
+gpui = { workspace = true, features = ["test-support"] }
 rand.workspace = true
 url.workspace = true
diff --git a/crates/terminal/src/pty_info.rs b/crates/terminal/src/pty_info.rs
index 802470493c..a1a559051a 100644
--- a/crates/terminal/src/pty_info.rs
+++ b/crates/terminal/src/pty_info.rs
@@ -122,7 +122,7 @@ impl PtyProcessInfo {
     }
 
     pub(crate) fn kill_current_process(&mut self) -> bool {
-        self.refresh().map_or(false, |process| process.kill())
+        self.refresh().is_some_and(|process| process.kill())
     }
 
     fn load(&mut self) -> Option<ProcessInfo> {
diff --git a/crates/terminal/src/terminal.rs b/crates/terminal/src/terminal.rs
index 6e359414d7..b38a69f095 100644
--- a/crates/terminal/src/terminal.rs
+++ b/crates/terminal/src/terminal.rs
@@ -58,14 +58,14 @@ use std::{
     path::PathBuf,
     process::ExitStatus,
     sync::Arc,
-    time::{Duration, Instant},
+    time::Instant,
 };
 use thiserror::Error;
 
 use gpui::{
-    AnyWindowHandle, App, AppContext as _, Bounds, ClipboardItem, Context, EventEmitter, Hsla,
-    Keystroke, Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent, Pixels, Point,
-    Rgba, ScrollWheelEvent, SharedString, Size, Task, TouchPhase, Window, actions, black, px,
+    App, AppContext as _, Bounds, ClipboardItem, Context, EventEmitter, Hsla, Keystroke, Modifiers,
+    MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent, Pixels, Point, Rgba,
+    ScrollWheelEvent, SharedString, Size, Task, TouchPhase, Window, actions, black, px,
 };
 
 use crate::mappings::{colors::to_alac_rgb, keys::to_esc_str};
@@ -167,6 +167,7 @@ enum InternalEvent {
     // Vi mode events
     ToggleViMode,
     ViMotion(ViMotion),
+    MoveViCursorToAlacPoint(AlacPoint),
 }
 
 ///A translation struct for Alacritty to communicate with us from their event loop
@@ -351,7 +352,7 @@ impl TerminalBuilder {
         alternate_scroll: AlternateScroll,
         max_scroll_history_lines: Option<usize>,
         is_ssh_terminal: bool,
-        window: AnyWindowHandle,
+        window_id: u64,
         completion_tx: Sender<Option<ExitStatus>>,
         cx: &App,
     ) -> Result<TerminalBuilder> {
@@ -408,7 +409,13 @@ impl TerminalBuilder {
         let terminal_title_override = shell_params.as_ref().and_then(|e| e.title_override.clone());
 
         #[cfg(windows)]
-        let shell_program = shell_params.as_ref().map(|params| params.program.clone());
+        let shell_program = shell_params.as_ref().map(|params| {
+            use util::ResultExt;
+
+            Self::resolve_path(&params.program)
+                .log_err()
+                .unwrap_or(params.program.clone())
+        });
 
         let pty_options = {
             let alac_shell = shell_params.map(|params| {
@@ -463,11 +470,7 @@ impl TerminalBuilder {
         let term = Arc::new(FairMutex::new(term));
 
         //Setup the pty...
-        let pty = match tty::new(
-            &pty_options,
-            TerminalBounds::default().into(),
-            window.window_id().as_u64(),
-        ) {
+        let pty = match tty::new(&pty_options, TerminalBounds::default().into(), window_id) {
             Ok(pty) => pty,
             Err(error) => {
                 bail!(TerminalError {
@@ -483,7 +486,7 @@ impl TerminalBuilder {
         //And connect them together
         let event_loop = EventLoop::new(
             term.clone(),
-            ZedListener(events_tx.clone()),
+            ZedListener(events_tx),
             pty,
             pty_options.drain_on_exit,
             false,
@@ -538,10 +541,15 @@ impl TerminalBuilder {
 
                 'outer: loop {
                     let mut events = Vec::new();
+
+                    #[cfg(any(test, feature = "test-support"))]
+                    let mut timer = cx.background_executor().simulate_random_delay().fuse();
+                    #[cfg(not(any(test, feature = "test-support")))]
                     let mut timer = cx
                         .background_executor()
-                        .timer(Duration::from_millis(4))
+                        .timer(std::time::Duration::from_millis(4))
                         .fuse();
+
                     let mut wakeup = false;
                     loop {
                         futures::select_biased! {
@@ -588,6 +596,24 @@ impl TerminalBuilder {
 
         self.terminal
     }
+
+    #[cfg(windows)]
+    fn resolve_path(path: &str) -> Result<String> {
+        use windows::Win32::Storage::FileSystem::SearchPathW;
+        use windows::core::HSTRING;
+
+        let path = if path.starts_with(r"\\?\") || !path.contains(&['/', '\\']) {
+            path.to_string()
+        } else {
+            r"\\?\".to_string() + path
+        };
+
+        let required_length = unsafe { SearchPathW(None, &HSTRING::from(&path), None, None, None) };
+        let mut buf = vec![0u16; required_length as usize];
+        let size = unsafe { SearchPathW(None, &HSTRING::from(&path), None, Some(&mut buf), None) };
+
+        Ok(String::from_utf16(&buf[..size as usize])?)
+    }
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
@@ -864,15 +890,15 @@ impl Terminal {
                 if self.vi_mode_enabled {
                     match *scroll {
                         AlacScroll::Delta(delta) => {
-                            term.vi_mode_cursor = term.vi_mode_cursor.scroll(&term, delta);
+                            term.vi_mode_cursor = term.vi_mode_cursor.scroll(term, delta);
                         }
                         AlacScroll::PageUp => {
                             let lines = term.screen_lines() as i32;
-                            term.vi_mode_cursor = term.vi_mode_cursor.scroll(&term, lines);
+                            term.vi_mode_cursor = term.vi_mode_cursor.scroll(term, lines);
                         }
                         AlacScroll::PageDown => {
                             let lines = -(term.screen_lines() as i32);
-                            term.vi_mode_cursor = term.vi_mode_cursor.scroll(&term, lines);
+                            term.vi_mode_cursor = term.vi_mode_cursor.scroll(term, lines);
                         }
                         AlacScroll::Top => {
                             let point = AlacPoint::new(term.topmost_line(), Column(0));
@@ -947,6 +973,10 @@ impl Terminal {
                 term.scroll_to_point(*point);
                 self.refresh_hovered_word(window);
             }
+            InternalEvent::MoveViCursorToAlacPoint(point) => {
+                term.vi_goto_point(*point);
+                self.refresh_hovered_word(window);
+            }
             InternalEvent::ToggleViMode => {
                 self.vi_mode_enabled = !self.vi_mode_enabled;
                 term.toggle_vi_mode();
@@ -1021,15 +1051,16 @@ impl Terminal {
         navigation_target: MaybeNavigationTarget,
         cx: &mut Context<Self>,
     ) {
-        if let Some(prev_word) = prev_word {
-            if prev_word.word == word && prev_word.word_match == word_match {
-                self.last_content.last_hovered_word = Some(HoveredWord {
-                    word,
-                    word_match,
-                    id: prev_word.id,
-                });
-                return;
-            }
+        if let Some(prev_word) = prev_word
+            && prev_word.word == word
+            && prev_word.word_match == word_match
+        {
+            self.last_content.last_hovered_word = Some(HoveredWord {
+                word,
+                word_match,
+                id: prev_word.id,
+            });
+            return;
         }
 
         self.last_content.last_hovered_word = Some(HoveredWord {
@@ -1075,12 +1106,21 @@ impl Terminal {
     pub fn activate_match(&mut self, index: usize) {
         if let Some(search_match) = self.matches.get(index).cloned() {
             self.set_selection(Some((make_selection(&search_match), *search_match.end())));
-
-            self.events
-                .push_back(InternalEvent::ScrollToAlacPoint(*search_match.start()));
+            if self.vi_mode_enabled {
+                self.events
+                    .push_back(InternalEvent::MoveViCursorToAlacPoint(*search_match.end()));
+            } else {
+                self.events
+                    .push_back(InternalEvent::ScrollToAlacPoint(*search_match.start()));
+            }
         }
     }
 
+    pub fn clear_matches(&mut self) {
+        self.matches.clear();
+        self.set_selection(None);
+    }
+
     pub fn select_matches(&mut self, matches: &[RangeInclusive<AlacPoint>]) {
         let matches_to_select = self
             .matches
@@ -1259,23 +1299,19 @@ impl Terminal {
                 let selection = Selection::new(selection_type, point, side);
                 self.events
                     .push_back(InternalEvent::SetSelection(Some((selection, point))));
-                return;
             }
 
             "escape" => {
                 self.events.push_back(InternalEvent::SetSelection(None));
-                return;
             }
 
             "y" => {
                 self.copy(Some(false));
-                return;
             }
 
             "i" => {
                 self.scroll_to_bottom();
                 self.toggle_vi_mode();
-                return;
             }
             _ => {}
         }
@@ -1478,12 +1514,11 @@ impl Terminal {
                 self.last_content.display_offset,
             );
 
-            if self.mouse_changed(point, side) {
-                if let Some(bytes) =
+            if self.mouse_changed(point, side)
+                && let Some(bytes) =
                     mouse_moved_report(point, e.pressed_button, e.modifiers, self.last_content.mode)
-                {
-                    self.pty_tx.notify(bytes);
-                }
+            {
+                self.pty_tx.notify(bytes);
             }
         } else if e.modifiers.secondary() {
             self.word_from_position(e.position);
@@ -1626,7 +1661,7 @@ impl Terminal {
                 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
                 MouseButton::Middle => {
                     if let Some(item) = _cx.read_from_primary() {
-                        let text = item.text().unwrap_or_default().to_string();
+                        let text = item.text().unwrap_or_default();
                         self.input(text.into_bytes());
                     }
                 }
@@ -1825,10 +1860,10 @@ impl Terminal {
     }
 
     pub fn kill_active_task(&mut self) {
-        if let Some(task) = self.task() {
-            if task.status == TaskStatus::Running {
-                self.pty_info.kill_current_process();
-            }
+        if let Some(task) = self.task()
+            && task.status == TaskStatus::Running
+        {
+            self.pty_info.kill_current_process();
         }
     }
 
@@ -1852,11 +1887,11 @@ impl Terminal {
         let e: Option<ExitStatus> = error_code.map(|code| {
             #[cfg(unix)]
             {
-                return std::os::unix::process::ExitStatusExt::from_raw(code);
+                std::os::unix::process::ExitStatusExt::from_raw(code)
             }
             #[cfg(windows)]
             {
-                return std::os::windows::process::ExitStatusExt::from_raw(code as u32);
+                std::os::windows::process::ExitStatusExt::from_raw(code as u32)
             }
         });
 
@@ -2108,16 +2143,56 @@ pub fn rgba_color(r: u8, g: u8, b: u8) -> Hsla {
 
 #[cfg(test)]
 mod tests {
+    use super::*;
+    use crate::{
+        IndexedCell, TerminalBounds, TerminalBuilder, TerminalContent, content_index_for_mouse,
+        rgb_for_index,
+    };
     use alacritty_terminal::{
         index::{Column, Line, Point as AlacPoint},
         term::cell::Cell,
     };
-    use gpui::{Pixels, Point, bounds, point, size};
+    use collections::HashMap;
+    use gpui::{Pixels, Point, TestAppContext, bounds, point, size};
     use rand::{Rng, distributions::Alphanumeric, rngs::ThreadRng, thread_rng};
 
-    use crate::{
-        IndexedCell, TerminalBounds, TerminalContent, content_index_for_mouse, rgb_for_index,
-    };
+    #[ignore = "Test is flaky on macOS, and doesn't run on Windows"]
+    #[gpui::test]
+    async fn test_basic_terminal(cx: &mut TestAppContext) {
+        cx.executor().allow_parking();
+
+        let (completion_tx, completion_rx) = smol::channel::unbounded();
+        let terminal = cx.new(|cx| {
+            TerminalBuilder::new(
+                None,
+                None,
+                None,
+                task::Shell::WithArguments {
+                    program: "echo".into(),
+                    args: vec!["hello".into()],
+                    title_override: None,
+                },
+                HashMap::default(),
+                CursorShape::default(),
+                AlternateScroll::On,
+                None,
+                false,
+                0,
+                completion_tx,
+                cx,
+            )
+            .unwrap()
+            .subscribe(cx)
+        });
+        assert_eq!(
+            completion_rx.recv().await.unwrap(),
+            Some(ExitStatus::default())
+        );
+        assert_eq!(
+            terminal.update(cx, |term, _| term.get_content()).trim(),
+            "hello"
+        );
+    }
 
     #[test]
     fn test_rgb_for_index() {
diff --git a/crates/terminal/src/terminal_hyperlinks.rs b/crates/terminal/src/terminal_hyperlinks.rs
index e318ae21bd..9f565bd306 100644
--- a/crates/terminal/src/terminal_hyperlinks.rs
+++ b/crates/terminal/src/terminal_hyperlinks.rs
@@ -124,12 +124,12 @@ pub(super) fn find_from_grid_point<T: EventListener>(
                     && file_path
                         .chars()
                         .nth(last_index - 1)
-                        .map_or(false, |c| c.is_ascii_digit());
+                        .is_some_and(|c| c.is_ascii_digit());
                 let next_is_digit = last_index < file_path.len() - 1
                     && file_path
                         .chars()
                         .nth(last_index + 1)
-                        .map_or(true, |c| c.is_ascii_digit());
+                        .is_none_or(|c| c.is_ascii_digit());
                 if prev_is_digit && !next_is_digit {
                     let stripped_len = file_path.len() - last_index;
                     word_match = Match::new(
diff --git a/crates/terminal/src/terminal_settings.rs b/crates/terminal/src/terminal_settings.rs
index 3f89afffab..635e3e2ca5 100644
--- a/crates/terminal/src/terminal_settings.rs
+++ b/crates/terminal/src/terminal_settings.rs
@@ -325,10 +325,10 @@ impl settings::Settings for TerminalSettings {
             .and_then(|v| v.as_object())
         {
             for (k, v) in env {
-                if v.is_null() {
-                    if let Some(zed_env) = current.env.as_mut() {
-                        zed_env.remove(k);
-                    }
+                if v.is_null()
+                    && let Some(zed_env) = current.env.as_mut()
+                {
+                    zed_env.remove(k);
                 }
                 let Some(v) = v.as_str() else { continue };
                 if let Some(zed_env) = current.env.as_mut() {
diff --git a/crates/terminal_view/src/persistence.rs b/crates/terminal_view/src/persistence.rs
index 056365ab8c..c7ebd314e4 100644
--- a/crates/terminal_view/src/persistence.rs
+++ b/crates/terminal_view/src/persistence.rs
@@ -9,7 +9,11 @@ use std::path::{Path, PathBuf};
 use ui::{App, Context, Pixels, Window};
 use util::ResultExt as _;
 
-use db::{define_connection, query, sqlez::statement::Statement, sqlez_macros::sql};
+use db::{
+    query,
+    sqlez::{domain::Domain, statement::Statement, thread_safe_connection::ThreadSafeConnection},
+    sqlez_macros::sql,
+};
 use workspace::{
     ItemHandle, ItemId, Member, Pane, PaneAxis, PaneGroup, SerializableItem as _, Workspace,
     WorkspaceDb, WorkspaceId,
@@ -245,9 +249,8 @@ async fn deserialize_pane_group(
                         let kind = TerminalKind::Shell(
                             working_directory.as_deref().map(Path::to_path_buf),
                         );
-                        let window = window.window_handle();
-                        let terminal = project
-                            .update(cx, |project, cx| project.create_terminal(kind, window, cx));
+                        let terminal =
+                            project.update(cx, |project, cx| project.create_terminal(kind, cx));
                         Some(Some(terminal))
                     } else {
                         Some(None)
@@ -376,9 +379,13 @@ impl<'de> Deserialize<'de> for SerializedAxis {
     }
 }
 
-define_connection! {
-    pub static ref TERMINAL_DB: TerminalDb<WorkspaceDb> =
-        &[sql!(
+pub struct TerminalDb(ThreadSafeConnection);
+
+impl Domain for TerminalDb {
+    const NAME: &str = stringify!(TerminalDb);
+
+    const MIGRATIONS: &[&str] = &[
+        sql!(
             CREATE TABLE terminals (
                 workspace_id INTEGER,
                 item_id INTEGER UNIQUE,
@@ -415,6 +422,8 @@ define_connection! {
     ];
 }
 
+db::static_connection!(TERMINAL_DB, TerminalDb, [WorkspaceDb]);
+
 impl TerminalDb {
     query! {
        pub async fn update_workspace_id(
diff --git a/crates/terminal_view/src/terminal_element.rs b/crates/terminal_view/src/terminal_element.rs
index 083c07de9c..fe3301fb89 100644
--- a/crates/terminal_view/src/terminal_element.rs
+++ b/crates/terminal_view/src/terminal_element.rs
@@ -1,4 +1,3 @@
-use crate::color_contrast;
 use editor::{CursorLayout, HighlightedRange, HighlightedRangeLine};
 use gpui::{
     AbsoluteLength, AnyElement, App, AvailableSpace, Bounds, ContentMask, Context, DispatchPhase,
@@ -27,6 +26,7 @@ use terminal::{
     terminal_settings::TerminalSettings,
 };
 use theme::{ActiveTheme, Theme, ThemeSettings};
+use ui::utils::ensure_minimum_contrast;
 use ui::{ParentElement, Tooltip};
 use util::ResultExt;
 use workspace::Workspace;
@@ -136,7 +136,7 @@ impl BatchedTextRun {
             .shape_line(
                 self.text.clone().into(),
                 self.font_size.to_pixels(window.rem_size()),
-                &[self.style.clone()],
+                std::slice::from_ref(&self.style),
                 Some(dimensions.cell_width),
             )
             .paint(pos, dimensions.line_height, window, cx);
@@ -534,7 +534,7 @@ impl TerminalElement {
 
         // Only apply contrast adjustment to non-decorative characters
         if !Self::is_decorative_character(indexed.c) {
-            fg = color_contrast::ensure_minimum_contrast(fg, bg, minimum_contrast);
+            fg = ensure_minimum_contrast(fg, bg, minimum_contrast);
         }
 
         // Ghostty uses (175/255) as the multiplier (~0.69), Alacritty uses 0.66, Kitty
@@ -583,15 +583,15 @@ impl TerminalElement {
             strikethrough,
         };
 
-        if let Some((style, range)) = hyperlink {
-            if range.contains(&indexed.point) {
-                if let Some(underline) = style.underline {
-                    result.underline = Some(underline);
-                }
+        if let Some((style, range)) = hyperlink
+            && range.contains(&indexed.point)
+        {
+            if let Some(underline) = style.underline {
+                result.underline = Some(underline);
+            }
 
-                if let Some(color) = style.color {
-                    result.color = color;
-                }
+            if let Some(color) = style.color {
+                result.color = color;
             }
         }
 
@@ -653,7 +653,7 @@ impl TerminalElement {
             let terminal = self.terminal.clone();
             let hitbox = hitbox.clone();
             let focus = focus.clone();
-            let terminal_view = terminal_view.clone();
+            let terminal_view = terminal_view;
             move |e: &MouseMoveEvent, phase, window, cx| {
                 if phase != DispatchPhase::Bubble {
                     return;
@@ -1275,9 +1275,9 @@ impl Element for TerminalElement {
                     }
                     let text_paint_time = text_paint_start.elapsed();
 
-                    if let Some(text_to_mark) = &marked_text_cloned {
-                        if !text_to_mark.is_empty() {
-                            if let Some(cursor_layout) = &original_cursor {
+                    if let Some(text_to_mark) = &marked_text_cloned
+                        && !text_to_mark.is_empty()
+                            && let Some(cursor_layout) = &original_cursor {
                                 let ime_position = cursor_layout.bounding_rect(origin).origin;
                                 let mut ime_style = layout.base_text_style.clone();
                                 ime_style.underline = Some(UnderlineStyle {
@@ -1303,14 +1303,11 @@ impl Element for TerminalElement {
                                     .paint(ime_position, layout.dimensions.line_height, window, cx)
                                     .log_err();
                             }
-                        }
-                    }
 
-                    if self.cursor_visible && marked_text_cloned.is_none() {
-                        if let Some(mut cursor) = original_cursor {
+                    if self.cursor_visible && marked_text_cloned.is_none()
+                        && let Some(mut cursor) = original_cursor {
                             cursor.paint(origin, window, cx);
                         }
-                    }
 
                     if let Some(mut element) = block_below_cursor_element {
                         element.paint(window, cx);
@@ -1481,7 +1478,7 @@ pub fn is_blank(cell: &IndexedCell) -> bool {
         return false;
     }
 
-    return true;
+    true
 }
 
 fn to_highlighted_range_lines(
@@ -1601,6 +1598,7 @@ pub fn convert_color(fg: &terminal::alacritty_terminal::vte::ansi::Color, theme:
 mod tests {
     use super::*;
     use gpui::{AbsoluteLength, Hsla, font};
+    use ui::utils::apca_contrast;
 
     #[test]
     fn test_is_decorative_character() {
@@ -1716,7 +1714,7 @@ mod tests {
         };
 
         // Should have poor contrast
-        let actual_contrast = color_contrast::apca_contrast(white_fg, light_gray_bg).abs();
+        let actual_contrast = apca_contrast(white_fg, light_gray_bg).abs();
         assert!(
             actual_contrast < 30.0,
             "White on light gray should have poor APCA contrast: {}",
@@ -1724,12 +1722,12 @@ mod tests {
         );
 
         // After adjustment with minimum APCA contrast of 45, should be darker
-        let adjusted = color_contrast::ensure_minimum_contrast(white_fg, light_gray_bg, 45.0);
+        let adjusted = ensure_minimum_contrast(white_fg, light_gray_bg, 45.0);
         assert!(
             adjusted.l < white_fg.l,
             "Adjusted color should be darker than original"
         );
-        let adjusted_contrast = color_contrast::apca_contrast(adjusted, light_gray_bg).abs();
+        let adjusted_contrast = apca_contrast(adjusted, light_gray_bg).abs();
         assert!(adjusted_contrast >= 45.0, "Should meet minimum contrast");
 
         // Test case 2: Dark colors (poor contrast)
@@ -1747,7 +1745,7 @@ mod tests {
         };
 
         // Should have poor contrast
-        let actual_contrast = color_contrast::apca_contrast(black_fg, dark_gray_bg).abs();
+        let actual_contrast = apca_contrast(black_fg, dark_gray_bg).abs();
         assert!(
             actual_contrast < 30.0,
             "Black on dark gray should have poor APCA contrast: {}",
@@ -1755,16 +1753,16 @@ mod tests {
         );
 
         // After adjustment with minimum APCA contrast of 45, should be lighter
-        let adjusted = color_contrast::ensure_minimum_contrast(black_fg, dark_gray_bg, 45.0);
+        let adjusted = ensure_minimum_contrast(black_fg, dark_gray_bg, 45.0);
         assert!(
             adjusted.l > black_fg.l,
             "Adjusted color should be lighter than original"
         );
-        let adjusted_contrast = color_contrast::apca_contrast(adjusted, dark_gray_bg).abs();
+        let adjusted_contrast = apca_contrast(adjusted, dark_gray_bg).abs();
         assert!(adjusted_contrast >= 45.0, "Should meet minimum contrast");
 
         // Test case 3: Already good contrast
-        let good_contrast = color_contrast::ensure_minimum_contrast(black_fg, white_fg, 45.0);
+        let good_contrast = ensure_minimum_contrast(black_fg, white_fg, 45.0);
         assert_eq!(
             good_contrast, black_fg,
             "Good contrast should not be adjusted"
@@ -1791,11 +1789,11 @@ mod tests {
         };
 
         // With minimum contrast of 0.0, no adjustment should happen
-        let no_adjust = color_contrast::ensure_minimum_contrast(white_fg, white_bg, 0.0);
+        let no_adjust = ensure_minimum_contrast(white_fg, white_bg, 0.0);
         assert_eq!(no_adjust, white_fg, "No adjustment with min_contrast 0.0");
 
         // With minimum APCA contrast of 15, it should adjust to a darker color
-        let adjusted = color_contrast::ensure_minimum_contrast(white_fg, white_bg, 15.0);
+        let adjusted = ensure_minimum_contrast(white_fg, white_bg, 15.0);
         assert!(
             adjusted.l < white_fg.l,
             "White on white should become darker, got l={}",
@@ -1803,7 +1801,7 @@ mod tests {
         );
 
         // Verify the contrast is now acceptable
-        let new_contrast = color_contrast::apca_contrast(adjusted, white_bg).abs();
+        let new_contrast = apca_contrast(adjusted, white_bg).abs();
         assert!(
             new_contrast >= 15.0,
             "Adjusted APCA contrast {} should be >= 15.0",
@@ -1841,8 +1839,7 @@ mod tests {
         };
 
         let font_size = AbsoluteLength::Pixels(px(12.0));
-        let batch =
-            BatchedTextRun::new_from_char(AlacPoint::new(0, 0), 'a', style1.clone(), font_size);
+        let batch = BatchedTextRun::new_from_char(AlacPoint::new(0, 0), 'a', style1, font_size);
 
         // Should be able to append same style
         assert!(batch.can_append(&style2));
diff --git a/crates/terminal_view/src/terminal_panel.rs b/crates/terminal_view/src/terminal_panel.rs
index cb1e362884..6b17911487 100644
--- a/crates/terminal_view/src/terminal_panel.rs
+++ b/crates/terminal_view/src/terminal_panel.rs
@@ -181,7 +181,6 @@ impl TerminalPanel {
                             .anchor(Corner::TopRight)
                             .with_handle(pane.split_item_context_menu_handle.clone())
                             .menu({
-                                let split_context = split_context.clone();
                                 move |window, cx| {
                                     ContextMenu::build(window, cx, |menu, _, _| {
                                         menu.when_some(
@@ -236,7 +235,7 @@ impl TerminalPanel {
     ) -> Result<Entity<Self>> {
         let mut terminal_panel = None;
 
-        match workspace
+        if let Some((database_id, serialization_key)) = workspace
             .read_with(&cx, |workspace, _| {
                 workspace
                     .database_id()
@@ -244,36 +243,29 @@ impl TerminalPanel {
             })
             .ok()
             .flatten()
+            && let Some(serialized_panel) = cx
+                .background_spawn(async move { KEY_VALUE_STORE.read_kvp(&serialization_key) })
+                .await
+                .log_err()
+                .flatten()
+                .map(|panel| serde_json::from_str::<SerializedTerminalPanel>(&panel))
+                .transpose()
+                .log_err()
+                .flatten()
+            && let Ok(serialized) = workspace
+                .update_in(&mut cx, |workspace, window, cx| {
+                    deserialize_terminal_panel(
+                        workspace.weak_handle(),
+                        workspace.project().clone(),
+                        database_id,
+                        serialized_panel,
+                        window,
+                        cx,
+                    )
+                })?
+                .await
         {
-            Some((database_id, serialization_key)) => {
-                if let Some(serialized_panel) = cx
-                    .background_spawn(async move { KEY_VALUE_STORE.read_kvp(&serialization_key) })
-                    .await
-                    .log_err()
-                    .flatten()
-                    .map(|panel| serde_json::from_str::<SerializedTerminalPanel>(&panel))
-                    .transpose()
-                    .log_err()
-                    .flatten()
-                {
-                    if let Ok(serialized) = workspace
-                        .update_in(&mut cx, |workspace, window, cx| {
-                            deserialize_terminal_panel(
-                                workspace.weak_handle(),
-                                workspace.project().clone(),
-                                database_id,
-                                serialized_panel,
-                                window,
-                                cx,
-                            )
-                        })?
-                        .await
-                    {
-                        terminal_panel = Some(serialized);
-                    }
-                }
-            }
-            _ => {}
+            terminal_panel = Some(serialized);
         }
 
         let terminal_panel = if let Some(panel) = terminal_panel {
@@ -346,18 +338,16 @@ impl TerminalPanel {
             pane::Event::RemovedItem { .. } => self.serialize(cx),
             pane::Event::Remove { focus_on_pane } => {
                 let pane_count_before_removal = self.center.panes().len();
-                let _removal_result = self.center.remove(&pane);
+                let _removal_result = self.center.remove(pane);
                 if pane_count_before_removal == 1 {
                     self.center.first_pane().update(cx, |pane, cx| {
                         pane.set_zoomed(false, cx);
                     });
                     cx.emit(PanelEvent::Close);
-                } else {
-                    if let Some(focus_on_pane) =
-                        focus_on_pane.as_ref().or_else(|| self.center.panes().pop())
-                    {
-                        focus_on_pane.focus_handle(cx).focus(window);
-                    }
+                } else if let Some(focus_on_pane) =
+                    focus_on_pane.as_ref().or_else(|| self.center.panes().pop())
+                {
+                    focus_on_pane.focus_handle(cx).focus(window);
                 }
             }
             pane::Event::ZoomIn => {
@@ -432,10 +422,9 @@ impl TerminalPanel {
             })
             .unwrap_or((None, None));
         let kind = TerminalKind::Shell(working_directory);
-        let window_handle = window.window_handle();
         let terminal = project
             .update(cx, |project, cx| {
-                project.create_terminal_with_venv(kind, python_venv_directory, window_handle, cx)
+                project.create_terminal_with_venv(kind, python_venv_directory, cx)
             })
             .ok()?;
 
@@ -492,14 +481,17 @@ impl TerminalPanel {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Task<Result<WeakEntity<Terminal>>> {
-        let Ok(is_local) = self
-            .workspace
-            .update(cx, |workspace, cx| workspace.project().read(cx).is_local())
-        else {
+        let Ok((ssh_client, false)) = self.workspace.update(cx, |workspace, cx| {
+            let project = workspace.project().read(cx);
+            (
+                project.ssh_client().and_then(|it| it.read(cx).ssh_info()),
+                project.is_via_collab(),
+            )
+        }) else {
             return Task::ready(Err(anyhow!("Project is not local")));
         };
 
-        let builder = ShellBuilder::new(is_local, &task.shell);
+        let builder = ShellBuilder::new(ssh_client.as_ref().map(|info| &*info.shell), &task.shell);
         let command_label = builder.command_label(&task.command_label);
         let (command, args) = builder.build(task.command.clone(), &task.args);
 
@@ -634,7 +626,7 @@ impl TerminalPanel {
                 workspace
                     .read(cx)
                     .panes()
-                    .into_iter()
+                    .iter()
                     .cloned()
                     .flat_map(pane_terminal_views),
             )
@@ -666,13 +658,10 @@ impl TerminalPanel {
                 "terminal not yet supported for remote projects"
             )));
         }
-        let window_handle = window.window_handle();
         let project = workspace.project().downgrade();
         cx.spawn_in(window, async move |workspace, cx| {
             let terminal = project
-                .update(cx, |project, cx| {
-                    project.create_terminal(kind, window_handle, cx)
-                })?
+                .update(cx, |project, cx| project.create_terminal(kind, cx))?
                 .await?;
 
             workspace.update_in(cx, |workspace, window, cx| {
@@ -709,11 +698,8 @@ impl TerminalPanel {
                 terminal_panel.active_pane.clone()
             })?;
             let project = workspace.read_with(cx, |workspace, _| workspace.project().clone())?;
-            let window_handle = cx.window_handle();
             let terminal = project
-                .update(cx, |project, cx| {
-                    project.create_terminal(kind, window_handle, cx)
-                })?
+                .update(cx, |project, cx| project.create_terminal(kind, cx))?
                 .await?;
             let result = workspace.update_in(cx, |workspace, window, cx| {
                 let terminal_view = Box::new(cx.new(|cx| {
@@ -814,7 +800,6 @@ impl TerminalPanel {
     ) -> Task<Result<WeakEntity<Terminal>>> {
         let reveal = spawn_task.reveal;
         let reveal_target = spawn_task.reveal_target;
-        let window_handle = window.window_handle();
         let task_workspace = self.workspace.clone();
         cx.spawn_in(window, async move |terminal_panel, cx| {
             let project = terminal_panel.update(cx, |this, cx| {
@@ -823,7 +808,7 @@ impl TerminalPanel {
             })??;
             let new_terminal = project
                 .update(cx, |project, cx| {
-                    project.create_terminal(TerminalKind::Task(spawn_task), window_handle, cx)
+                    project.create_terminal(TerminalKind::Task(spawn_task), cx)
                 })?
                 .await?;
             terminal_to_replace.update_in(cx, |terminal_to_replace, window, cx| {
@@ -906,9 +891,9 @@ impl TerminalPanel {
     }
 
     fn is_enabled(&self, cx: &App) -> bool {
-        self.workspace.upgrade().map_or(false, |workspace| {
-            is_enabled_in_workspace(workspace.read(cx), cx)
-        })
+        self.workspace
+            .upgrade()
+            .is_some_and(|workspace| is_enabled_in_workspace(workspace.read(cx), cx))
     }
 
     fn activate_pane_in_direction(
@@ -955,7 +940,7 @@ pub fn new_terminal_pane(
     cx: &mut Context<TerminalPanel>,
 ) -> Entity<Pane> {
     let is_local = project.read(cx).is_local();
-    let terminal_panel = cx.entity().clone();
+    let terminal_panel = cx.entity();
     let pane = cx.new(|cx| {
         let mut pane = Pane::new(
             workspace.clone(),
@@ -1017,7 +1002,7 @@ pub fn new_terminal_pane(
                 return ControlFlow::Break(());
             };
             if let Some(tab) = dropped_item.downcast_ref::<DraggedTab>() {
-                let this_pane = cx.entity().clone();
+                let this_pane = cx.entity();
                 let item = if tab.pane == this_pane {
                     pane.item_for_index(tab.ix)
                 } else {
@@ -1085,11 +1070,10 @@ pub fn new_terminal_pane(
                                 return ControlFlow::Break(());
                             }
                         };
-                    } else if let Some(project_path) = item.project_path(cx) {
-                        if let Some(entry_path) = project.read(cx).absolute_path(&project_path, cx)
-                        {
-                            add_paths_to_terminal(pane, &[entry_path], window, cx);
-                        }
+                    } else if let Some(project_path) = item.project_path(cx)
+                        && let Some(entry_path) = project.read(cx).absolute_path(&project_path, cx)
+                    {
+                        add_paths_to_terminal(pane, &[entry_path], window, cx);
                     }
                 }
             } else if let Some(selection) = dropped_item.downcast_ref::<DraggedSelection>() {
@@ -1111,10 +1095,8 @@ pub fn new_terminal_pane(
                 {
                     add_paths_to_terminal(pane, &[entry_path], window, cx);
                 }
-            } else if is_local {
-                if let Some(paths) = dropped_item.downcast_ref::<ExternalPaths>() {
-                    add_paths_to_terminal(pane, paths.paths(), window, cx);
-                }
+            } else if is_local && let Some(paths) = dropped_item.downcast_ref::<ExternalPaths>() {
+                add_paths_to_terminal(pane, paths.paths(), window, cx);
             }
 
             ControlFlow::Break(())
@@ -1189,10 +1171,10 @@ impl Render for TerminalPanel {
                 registrar.size_full().child(self.center.render(
                     workspace.zoomed_item(),
                     &workspace::PaneRenderContext {
-                        follower_states: &&HashMap::default(),
+                        follower_states: &HashMap::default(),
                         active_call: workspace.active_call(),
                         active_pane: &self.active_pane,
-                        app_state: &workspace.app_state(),
+                        app_state: workspace.app_state(),
                         project: workspace.project(),
                         workspace: &workspace.weak_handle(),
                     },
@@ -1255,20 +1237,18 @@ impl Render for TerminalPanel {
                         let panes = terminal_panel.center.panes();
                         if let Some(&pane) = panes.get(action.0) {
                             window.focus(&pane.read(cx).focus_handle(cx));
-                        } else {
-                            if let Some(new_pane) =
-                                terminal_panel.new_pane_with_cloned_active_terminal(window, cx)
-                            {
-                                terminal_panel
-                                    .center
-                                    .split(
-                                        &terminal_panel.active_pane,
-                                        &new_pane,
-                                        SplitDirection::Right,
-                                    )
-                                    .log_err();
-                                window.focus(&new_pane.focus_handle(cx));
-                            }
+                        } else if let Some(new_pane) =
+                            terminal_panel.new_pane_with_cloned_active_terminal(window, cx)
+                        {
+                            terminal_panel
+                                .center
+                                .split(
+                                    &terminal_panel.active_pane,
+                                    &new_pane,
+                                    SplitDirection::Right,
+                                )
+                                .log_err();
+                            window.focus(&new_pane.focus_handle(cx));
                         }
                     }),
                 )
diff --git a/crates/terminal_view/src/terminal_path_like_target.rs b/crates/terminal_view/src/terminal_path_like_target.rs
new file mode 100644
index 0000000000..e20df7f001
--- /dev/null
+++ b/crates/terminal_view/src/terminal_path_like_target.rs
@@ -0,0 +1,825 @@
+use super::{HoverTarget, HoveredWord, TerminalView};
+use anyhow::{Context as _, Result};
+use editor::Editor;
+use gpui::{App, AppContext, Context, Task, WeakEntity, Window};
+use itertools::Itertools;
+use project::{Entry, Metadata};
+use std::path::PathBuf;
+use terminal::PathLikeTarget;
+use util::{ResultExt, debug_panic, paths::PathWithPosition};
+use workspace::{OpenOptions, OpenVisible, Workspace};
+
+#[derive(Debug, Clone)]
+enum OpenTarget {
+    Worktree(PathWithPosition, Entry),
+    File(PathWithPosition, Metadata),
+}
+
+impl OpenTarget {
+    fn is_file(&self) -> bool {
+        match self {
+            OpenTarget::Worktree(_, entry) => entry.is_file(),
+            OpenTarget::File(_, metadata) => !metadata.is_dir,
+        }
+    }
+
+    fn is_dir(&self) -> bool {
+        match self {
+            OpenTarget::Worktree(_, entry) => entry.is_dir(),
+            OpenTarget::File(_, metadata) => metadata.is_dir,
+        }
+    }
+
+    fn path(&self) -> &PathWithPosition {
+        match self {
+            OpenTarget::Worktree(path, _) => path,
+            OpenTarget::File(path, _) => path,
+        }
+    }
+}
+
+pub(super) fn hover_path_like_target(
+    workspace: &WeakEntity<Workspace>,
+    hovered_word: HoveredWord,
+    path_like_target: &PathLikeTarget,
+    cx: &mut Context<TerminalView>,
+) -> Task<()> {
+    let file_to_open_task = possible_open_target(workspace, path_like_target, cx);
+    cx.spawn(async move |terminal_view, cx| {
+        let file_to_open = file_to_open_task.await;
+        terminal_view
+            .update(cx, |terminal_view, _| match file_to_open {
+                Some(OpenTarget::File(path, _) | OpenTarget::Worktree(path, _)) => {
+                    terminal_view.hover = Some(HoverTarget {
+                        tooltip: path.to_string(|path| path.to_string_lossy().to_string()),
+                        hovered_word,
+                    });
+                }
+                None => {
+                    terminal_view.hover = None;
+                }
+            })
+            .ok();
+    })
+}
+
+fn possible_open_target(
+    workspace: &WeakEntity<Workspace>,
+    path_like_target: &PathLikeTarget,
+    cx: &App,
+) -> Task<Option<OpenTarget>> {
+    let Some(workspace) = workspace.upgrade() else {
+        return Task::ready(None);
+    };
+    // We have to check for both paths, as on Unix, certain paths with positions are valid file paths too.
+    // We can be on FS remote part, without real FS, so cannot canonicalize or check for existence the path right away.
+    let mut potential_paths = Vec::new();
+    let cwd = path_like_target.terminal_dir.as_ref();
+    let maybe_path = &path_like_target.maybe_path;
+    let original_path = PathWithPosition::from_path(PathBuf::from(maybe_path));
+    let path_with_position = PathWithPosition::parse_str(maybe_path);
+    let worktree_candidates = workspace
+        .read(cx)
+        .worktrees(cx)
+        .sorted_by_key(|worktree| {
+            let worktree_root = worktree.read(cx).abs_path();
+            match cwd.and_then(|cwd| worktree_root.strip_prefix(cwd).ok()) {
+                Some(cwd_child) => cwd_child.components().count(),
+                None => usize::MAX,
+            }
+        })
+        .collect::<Vec<_>>();
+    // Since we do not check paths via FS and joining, we need to strip off potential `./`, `a/`, `b/` prefixes out of it.
+    const GIT_DIFF_PATH_PREFIXES: &[&str] = &["a", "b"];
+    for prefix_str in GIT_DIFF_PATH_PREFIXES.iter().chain(std::iter::once(&".")) {
+        if let Some(stripped) = original_path.path.strip_prefix(prefix_str).ok() {
+            potential_paths.push(PathWithPosition {
+                path: stripped.to_owned(),
+                row: original_path.row,
+                column: original_path.column,
+            });
+        }
+        if let Some(stripped) = path_with_position.path.strip_prefix(prefix_str).ok() {
+            potential_paths.push(PathWithPosition {
+                path: stripped.to_owned(),
+                row: path_with_position.row,
+                column: path_with_position.column,
+            });
+        }
+    }
+
+    let insert_both_paths = original_path != path_with_position;
+    potential_paths.insert(0, original_path);
+    if insert_both_paths {
+        potential_paths.insert(1, path_with_position);
+    }
+
+    // If we won't find paths "easily", we can traverse the entire worktree to look what ends with the potential path suffix.
+    // That will be slow, though, so do the fast checks first.
+    let mut worktree_paths_to_check = Vec::new();
+    for worktree in &worktree_candidates {
+        let worktree_root = worktree.read(cx).abs_path();
+        let mut paths_to_check = Vec::with_capacity(potential_paths.len());
+
+        for path_with_position in &potential_paths {
+            let path_to_check = if worktree_root.ends_with(&path_with_position.path) {
+                let root_path_with_position = PathWithPosition {
+                    path: worktree_root.to_path_buf(),
+                    row: path_with_position.row,
+                    column: path_with_position.column,
+                };
+                match worktree.read(cx).root_entry() {
+                    Some(root_entry) => {
+                        return Task::ready(Some(OpenTarget::Worktree(
+                            root_path_with_position,
+                            root_entry.clone(),
+                        )));
+                    }
+                    None => root_path_with_position,
+                }
+            } else {
+                PathWithPosition {
+                    path: path_with_position
+                        .path
+                        .strip_prefix(&worktree_root)
+                        .unwrap_or(&path_with_position.path)
+                        .to_owned(),
+                    row: path_with_position.row,
+                    column: path_with_position.column,
+                }
+            };
+
+            if path_to_check.path.is_relative()
+                && let Some(entry) = worktree.read(cx).entry_for_path(&path_to_check.path)
+            {
+                return Task::ready(Some(OpenTarget::Worktree(
+                    PathWithPosition {
+                        path: worktree_root.join(&entry.path),
+                        row: path_to_check.row,
+                        column: path_to_check.column,
+                    },
+                    entry.clone(),
+                )));
+            }
+
+            paths_to_check.push(path_to_check);
+        }
+
+        if !paths_to_check.is_empty() {
+            worktree_paths_to_check.push((worktree.clone(), paths_to_check));
+        }
+    }
+
+    // Before entire worktree traversal(s), make an attempt to do FS checks if available.
+    let fs_paths_to_check = if workspace.read(cx).project().read(cx).is_local() {
+        potential_paths
+            .into_iter()
+            .flat_map(|path_to_check| {
+                let mut paths_to_check = Vec::new();
+                let maybe_path = &path_to_check.path;
+                if maybe_path.starts_with("~") {
+                    if let Some(home_path) =
+                        maybe_path
+                            .strip_prefix("~")
+                            .ok()
+                            .and_then(|stripped_maybe_path| {
+                                Some(dirs::home_dir()?.join(stripped_maybe_path))
+                            })
+                    {
+                        paths_to_check.push(PathWithPosition {
+                            path: home_path,
+                            row: path_to_check.row,
+                            column: path_to_check.column,
+                        });
+                    }
+                } else {
+                    paths_to_check.push(PathWithPosition {
+                        path: maybe_path.clone(),
+                        row: path_to_check.row,
+                        column: path_to_check.column,
+                    });
+                    if maybe_path.is_relative() {
+                        if let Some(cwd) = &cwd {
+                            paths_to_check.push(PathWithPosition {
+                                path: cwd.join(maybe_path),
+                                row: path_to_check.row,
+                                column: path_to_check.column,
+                            });
+                        }
+                        for worktree in &worktree_candidates {
+                            paths_to_check.push(PathWithPosition {
+                                path: worktree.read(cx).abs_path().join(maybe_path),
+                                row: path_to_check.row,
+                                column: path_to_check.column,
+                            });
+                        }
+                    }
+                }
+                paths_to_check
+            })
+            .collect()
+    } else {
+        Vec::new()
+    };
+
+    let worktree_check_task = cx.spawn(async move |cx| {
+        for (worktree, worktree_paths_to_check) in worktree_paths_to_check {
+            let found_entry = worktree
+                .update(cx, |worktree, _| {
+                    let worktree_root = worktree.abs_path();
+                    let traversal = worktree.traverse_from_path(true, true, false, "".as_ref());
+                    for entry in traversal {
+                        if let Some(path_in_worktree) = worktree_paths_to_check
+                            .iter()
+                            .find(|path_to_check| entry.path.ends_with(&path_to_check.path))
+                        {
+                            return Some(OpenTarget::Worktree(
+                                PathWithPosition {
+                                    path: worktree_root.join(&entry.path),
+                                    row: path_in_worktree.row,
+                                    column: path_in_worktree.column,
+                                },
+                                entry.clone(),
+                            ));
+                        }
+                    }
+                    None
+                })
+                .ok()?;
+            if let Some(found_entry) = found_entry {
+                return Some(found_entry);
+            }
+        }
+        None
+    });
+
+    let fs = workspace.read(cx).project().read(cx).fs().clone();
+    cx.background_spawn(async move {
+        for mut path_to_check in fs_paths_to_check {
+            if let Some(fs_path_to_check) = fs.canonicalize(&path_to_check.path).await.ok()
+                && let Some(metadata) = fs.metadata(&fs_path_to_check).await.ok().flatten()
+            {
+                path_to_check.path = fs_path_to_check;
+                return Some(OpenTarget::File(path_to_check, metadata));
+            }
+        }
+
+        worktree_check_task.await
+    })
+}
+
+pub(super) fn open_path_like_target(
+    workspace: &WeakEntity<Workspace>,
+    terminal_view: &mut TerminalView,
+    path_like_target: &PathLikeTarget,
+    window: &mut Window,
+    cx: &mut Context<TerminalView>,
+) {
+    possibly_open_target(workspace, terminal_view, path_like_target, window, cx)
+        .detach_and_log_err(cx)
+}
+
+fn possibly_open_target(
+    workspace: &WeakEntity<Workspace>,
+    terminal_view: &mut TerminalView,
+    path_like_target: &PathLikeTarget,
+    window: &mut Window,
+    cx: &mut Context<TerminalView>,
+) -> Task<Result<Option<OpenTarget>>> {
+    if terminal_view.hover.is_none() {
+        return Task::ready(Ok(None));
+    }
+    let workspace = workspace.clone();
+    let path_like_target = path_like_target.clone();
+    cx.spawn_in(window, async move |terminal_view, cx| {
+        let Some(open_target) = terminal_view
+            .update(cx, |_, cx| {
+                possible_open_target(&workspace, &path_like_target, cx)
+            })?
+            .await
+        else {
+            return Ok(None);
+        };
+
+        let path_to_open = open_target.path();
+        let opened_items = workspace
+            .update_in(cx, |workspace, window, cx| {
+                workspace.open_paths(
+                    vec![path_to_open.path.clone()],
+                    OpenOptions {
+                        visible: Some(OpenVisible::OnlyDirectories),
+                        ..Default::default()
+                    },
+                    None,
+                    window,
+                    cx,
+                )
+            })
+            .context("workspace update")?
+            .await;
+        if opened_items.len() != 1 {
+            debug_panic!(
+                "Received {} items for one path {path_to_open:?}",
+                opened_items.len(),
+            );
+        }
+
+        if let Some(opened_item) = opened_items.first() {
+            if open_target.is_file() {
+                if let Some(Ok(opened_item)) = opened_item {
+                    if let Some(row) = path_to_open.row {
+                        let col = path_to_open.column.unwrap_or(0);
+                        if let Some(active_editor) = opened_item.downcast::<Editor>() {
+                            active_editor
+                                .downgrade()
+                                .update_in(cx, |editor, window, cx| {
+                                    editor.go_to_singleton_buffer_point(
+                                        language::Point::new(
+                                            row.saturating_sub(1),
+                                            col.saturating_sub(1),
+                                        ),
+                                        window,
+                                        cx,
+                                    )
+                                })
+                                .log_err();
+                        }
+                    }
+                    return Ok(Some(open_target));
+                }
+            } else if open_target.is_dir() {
+                workspace.update(cx, |workspace, cx| {
+                    workspace.project().update(cx, |_, cx| {
+                        cx.emit(project::Event::ActivateProjectPanel);
+                    })
+                })?;
+                return Ok(Some(open_target));
+            }
+        }
+        Ok(None)
+    })
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use gpui::TestAppContext;
+    use project::{Project, terminals::TerminalKind};
+    use serde_json::json;
+    use std::path::{Path, PathBuf};
+    use terminal::{HoveredWord, alacritty_terminal::index::Point as AlacPoint};
+    use util::path;
+    use workspace::AppState;
+
+    async fn init_test(
+        app_cx: &mut TestAppContext,
+        trees: impl IntoIterator<Item = (&str, serde_json::Value)>,
+        worktree_roots: impl IntoIterator<Item = &str>,
+    ) -> impl AsyncFnMut(HoveredWord, PathLikeTarget) -> (Option<HoverTarget>, Option<OpenTarget>)
+    {
+        let fs = app_cx.update(AppState::test).fs.as_fake().clone();
+
+        app_cx.update(|cx| {
+            terminal::init(cx);
+            theme::init(theme::LoadThemes::JustBase, cx);
+            Project::init_settings(cx);
+            language::init(cx);
+            editor::init(cx);
+        });
+
+        for (path, tree) in trees {
+            fs.insert_tree(path, tree).await;
+        }
+
+        let project = Project::test(
+            fs.clone(),
+            worktree_roots
+                .into_iter()
+                .map(Path::new)
+                .collect::<Vec<_>>(),
+            app_cx,
+        )
+        .await;
+
+        let (workspace, cx) =
+            app_cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
+
+        let terminal = project
+            .update(cx, |project, cx| {
+                project.create_terminal(TerminalKind::Shell(None), cx)
+            })
+            .await
+            .expect("Failed to create a terminal");
+
+        let workspace_a = workspace.clone();
+        let (terminal_view, cx) = app_cx.add_window_view(|window, cx| {
+            TerminalView::new(
+                terminal,
+                workspace_a.downgrade(),
+                None,
+                project.downgrade(),
+                window,
+                cx,
+            )
+        });
+
+        async move |hovered_word: HoveredWord,
+                    path_like_target: PathLikeTarget|
+                    -> (Option<HoverTarget>, Option<OpenTarget>) {
+            let workspace_a = workspace.clone();
+            terminal_view
+                .update(cx, |_, cx| {
+                    hover_path_like_target(
+                        &workspace_a.downgrade(),
+                        hovered_word,
+                        &path_like_target,
+                        cx,
+                    )
+                })
+                .await;
+
+            let hover_target =
+                terminal_view.read_with(cx, |terminal_view, _| terminal_view.hover.clone());
+
+            let open_target = terminal_view
+                .update_in(cx, |terminal_view, window, cx| {
+                    possibly_open_target(
+                        &workspace.downgrade(),
+                        terminal_view,
+                        &path_like_target,
+                        window,
+                        cx,
+                    )
+                })
+                .await
+                .expect("Failed to possibly open target");
+
+            (hover_target, open_target)
+        }
+    }
+
+    async fn test_path_like_simple(
+        test_path_like: &mut impl AsyncFnMut(
+            HoveredWord,
+            PathLikeTarget,
+        ) -> (Option<HoverTarget>, Option<OpenTarget>),
+        maybe_path: &str,
+        tooltip: &str,
+        terminal_dir: Option<PathBuf>,
+        file: &str,
+        line: u32,
+    ) {
+        let (hover_target, open_target) = test_path_like(
+            HoveredWord {
+                word: maybe_path.to_string(),
+                word_match: AlacPoint::default()..=AlacPoint::default(),
+                id: 0,
+            },
+            PathLikeTarget {
+                maybe_path: maybe_path.to_string(),
+                terminal_dir,
+            },
+        )
+        .await;
+
+        let Some(hover_target) = hover_target else {
+            assert!(
+                hover_target.is_some(),
+                "Hover target should not be `None` at {file}:{line}:"
+            );
+            return;
+        };
+
+        assert_eq!(
+            hover_target.tooltip, tooltip,
+            "Tooltip mismatch at {file}:{line}:"
+        );
+        assert_eq!(
+            hover_target.hovered_word.word, maybe_path,
+            "Hovered word mismatch at {file}:{line}:"
+        );
+
+        let Some(open_target) = open_target else {
+            assert!(
+                open_target.is_some(),
+                "Open target should not be `None` at {file}:{line}:"
+            );
+            return;
+        };
+
+        assert_eq!(
+            open_target.path().path,
+            Path::new(tooltip),
+            "Open target path mismatch at {file}:{line}:"
+        );
+    }
+
+    macro_rules! none_or_some {
+        () => {
+            None
+        };
+        ($some:expr) => {
+            Some($some)
+        };
+    }
+
+    macro_rules! test_path_like {
+        ($test_path_like:expr, $maybe_path:literal, $tooltip:literal $(, $cwd:literal)?) => {
+            test_path_like_simple(
+                &mut $test_path_like,
+                path!($maybe_path),
+                path!($tooltip),
+                none_or_some!($($crate::PathBuf::from(path!($cwd)))?),
+                std::file!(),
+                std::line!(),
+            )
+            .await
+        };
+    }
+
+    #[doc = "test_path_likes!(<cx>, <trees>, <worktrees>, { $(<tests>;)+ })"]
+    macro_rules! test_path_likes {
+        ($cx:expr, $trees:expr, $worktrees:expr, { $($tests:expr;)+ }) => { {
+            let mut test_path_like = init_test($cx, $trees, $worktrees).await;
+            #[doc ="test!(<hovered maybe_path>, <expected tooltip>, <terminal cwd>)"]
+            macro_rules! test {
+                ($maybe_path:literal, $tooltip:literal) => {
+                    test_path_like!(test_path_like, $maybe_path, $tooltip)
+                };
+                ($maybe_path:literal, $tooltip:literal, $cwd:literal) => {
+                    test_path_like!(test_path_like, $maybe_path, $tooltip, $cwd)
+                }
+            }
+            $($tests);+
+        } }
+    }
+
+    #[gpui::test]
+    async fn one_folder_worktree(cx: &mut TestAppContext) {
+        test_path_likes!(
+            cx,
+            vec![(
+                path!("/test"),
+                json!({
+                    "lib.rs": "",
+                    "test.rs": "",
+                }),
+            )],
+            vec![path!("/test")],
+            {
+                test!("lib.rs", "/test/lib.rs");
+                test!("test.rs", "/test/test.rs");
+            }
+        )
+    }
+
+    #[gpui::test]
+    async fn mixed_worktrees(cx: &mut TestAppContext) {
+        test_path_likes!(
+            cx,
+            vec![
+                (
+                    path!("/"),
+                    json!({
+                        "file.txt": "",
+                    }),
+                ),
+                (
+                    path!("/test"),
+                    json!({
+                        "lib.rs": "",
+                        "test.rs": "",
+                        "file.txt": "",
+                    }),
+                ),
+            ],
+            vec![path!("/file.txt"), path!("/test")],
+            {
+                test!("file.txt", "/file.txt", "/");
+                test!("lib.rs", "/test/lib.rs", "/test");
+                test!("test.rs", "/test/test.rs", "/test");
+                test!("file.txt", "/test/file.txt", "/test");
+            }
+        )
+    }
+
+    #[gpui::test]
+    async fn worktree_file_preferred(cx: &mut TestAppContext) {
+        test_path_likes!(
+            cx,
+            vec![
+                (
+                    path!("/"),
+                    json!({
+                        "file.txt": "",
+                    }),
+                ),
+                (
+                    path!("/test"),
+                    json!({
+                        "file.txt": "",
+                    }),
+                ),
+            ],
+            vec![path!("/test")],
+            {
+                test!("file.txt", "/test/file.txt", "/test");
+            }
+        )
+    }
+
+    mod issues {
+        use super::*;
+
+        // https://github.com/zed-industries/zed/issues/28407
+        #[gpui::test]
+        async fn issue_28407_siblings(cx: &mut TestAppContext) {
+            test_path_likes!(
+                cx,
+                vec![(
+                    path!("/dir1"),
+                    json!({
+                        "dir 2": {
+                            "C.py": ""
+                        },
+                        "dir 3": {
+                            "C.py": ""
+                        },
+                    }),
+                )],
+                vec![path!("/dir1")],
+                {
+                    test!("C.py", "/dir1/dir 2/C.py", "/dir1");
+                    test!("C.py", "/dir1/dir 2/C.py", "/dir1/dir 2");
+                    test!("C.py", "/dir1/dir 3/C.py", "/dir1/dir 3");
+                }
+            )
+        }
+
+        // https://github.com/zed-industries/zed/issues/28407
+        // See https://github.com/zed-industries/zed/issues/34027
+        // See https://github.com/zed-industries/zed/issues/33498
+        #[gpui::test]
+        #[should_panic(expected = "Tooltip mismatch")]
+        async fn issue_28407_nesting(cx: &mut TestAppContext) {
+            test_path_likes!(
+                cx,
+                vec![(
+                    path!("/project"),
+                    json!({
+                        "lib": {
+                            "src": {
+                                "main.rs": ""
+                            },
+                        },
+                        "src": {
+                            "main.rs": ""
+                        },
+                    }),
+                )],
+                vec![path!("/project")],
+                {
+                    // Failing currently
+                    test!("main.rs", "/project/src/main.rs", "/project");
+                    test!("main.rs", "/project/src/main.rs", "/project/src");
+                    test!("main.rs", "/project/lib/src/main.rs", "/project/lib");
+                    test!("main.rs", "/project/lib/src/main.rs", "/project/lib/src");
+
+                    test!("src/main.rs", "/project/src/main.rs", "/project");
+                    test!("src/main.rs", "/project/src/main.rs", "/project/src");
+                    // Failing currently
+                    test!("src/main.rs", "/project/lib/src/main.rs", "/project/lib");
+                    // Failing currently
+                    test!(
+                        "src/main.rs",
+                        "/project/lib/src/main.rs",
+                        "/project/lib/src"
+                    );
+
+                    test!("lib/src/main.rs", "/project/lib/src/main.rs", "/project");
+                    test!(
+                        "lib/src/main.rs",
+                        "/project/lib/src/main.rs",
+                        "/project/src"
+                    );
+                    test!(
+                        "lib/src/main.rs",
+                        "/project/lib/src/main.rs",
+                        "/project/lib"
+                    );
+                    test!(
+                        "lib/src/main.rs",
+                        "/project/lib/src/main.rs",
+                        "/project/lib/src"
+                    );
+                }
+            )
+        }
+
+        // https://github.com/zed-industries/zed/issues/28339
+        #[gpui::test]
+        async fn issue_28339(cx: &mut TestAppContext) {
+            test_path_likes!(
+                cx,
+                vec![(
+                    path!("/tmp"),
+                    json!({
+                        "issue28339": {
+                            "foo": {
+                                "bar.txt": ""
+                            },
+                        },
+                    }),
+                )],
+                vec![path!("/tmp")],
+                {
+                    test!(
+                        "foo/./bar.txt",
+                        "/tmp/issue28339/foo/bar.txt",
+                        "/tmp/issue28339"
+                    );
+                    test!(
+                        "foo/../foo/bar.txt",
+                        "/tmp/issue28339/foo/bar.txt",
+                        "/tmp/issue28339"
+                    );
+                    test!(
+                        "foo/..///foo/bar.txt",
+                        "/tmp/issue28339/foo/bar.txt",
+                        "/tmp/issue28339"
+                    );
+                    test!(
+                        "issue28339/../issue28339/foo/../foo/bar.txt",
+                        "/tmp/issue28339/foo/bar.txt",
+                        "/tmp/issue28339"
+                    );
+                    test!(
+                        "./bar.txt",
+                        "/tmp/issue28339/foo/bar.txt",
+                        "/tmp/issue28339/foo"
+                    );
+                    test!(
+                        "../foo/bar.txt",
+                        "/tmp/issue28339/foo/bar.txt",
+                        "/tmp/issue28339/foo"
+                    );
+                }
+            )
+        }
+
+        // https://github.com/zed-industries/zed/issues/34027
+        #[gpui::test]
+        #[should_panic(expected = "Tooltip mismatch")]
+        async fn issue_34027(cx: &mut TestAppContext) {
+            test_path_likes!(
+                cx,
+                vec![(
+                    path!("/tmp/issue34027"),
+                    json!({
+                        "test.txt": "",
+                        "foo": {
+                            "test.txt": "",
+                        }
+                    }),
+                ),],
+                vec![path!("/tmp/issue34027")],
+                {
+                    test!("test.txt", "/tmp/issue34027/test.txt", "/tmp/issue34027");
+                    test!(
+                        "test.txt",
+                        "/tmp/issue34027/foo/test.txt",
+                        "/tmp/issue34027/foo"
+                    );
+                }
+            )
+        }
+
+        // https://github.com/zed-industries/zed/issues/34027
+        #[gpui::test]
+        #[should_panic(expected = "Tooltip mismatch")]
+        async fn issue_34027_non_worktree_file(cx: &mut TestAppContext) {
+            test_path_likes!(
+                cx,
+                vec![
+                    (
+                        path!("/"),
+                        json!({
+                            "file.txt": "",
+                        }),
+                    ),
+                    (
+                        path!("/test"),
+                        json!({
+                            "file.txt": "",
+                        }),
+                    ),
+                ],
+                vec![path!("/test")],
+                {
+                    test!("file.txt", "/file.txt", "/");
+                    test!("file.txt", "/test/file.txt", "/test");
+                }
+            )
+        }
+    }
+}
diff --git a/crates/terminal_view/src/terminal_slash_command.rs b/crates/terminal_view/src/terminal_slash_command.rs
index ac86eef2bc..13c2cef48c 100644
--- a/crates/terminal_view/src/terminal_slash_command.rs
+++ b/crates/terminal_view/src/terminal_slash_command.rs
@@ -104,7 +104,7 @@ impl SlashCommand for TerminalSlashCommand {
             }],
             run_commands_in_text: false,
         }
-        .to_event_stream()))
+        .into_event_stream()))
     }
 }
 
diff --git a/crates/terminal_view/src/terminal_view.rs b/crates/terminal_view/src/terminal_view.rs
index bf65a736e8..9aa855acb7 100644
--- a/crates/terminal_view/src/terminal_view.rs
+++ b/crates/terminal_view/src/terminal_view.rs
@@ -1,22 +1,21 @@
-mod color_contrast;
 mod persistence;
 pub mod terminal_element;
 pub mod terminal_panel;
+mod terminal_path_like_target;
 pub mod terminal_scrollbar;
 mod terminal_slash_command;
 pub mod terminal_tab_tooltip;
 
 use assistant_slash_command::SlashCommandRegistry;
-use editor::{Editor, EditorSettings, actions::SelectAll, scroll::ScrollbarAutoHide};
+use editor::{EditorSettings, actions::SelectAll, scroll::ScrollbarAutoHide};
 use gpui::{
     Action, AnyElement, App, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable,
     KeyContext, KeyDownEvent, Keystroke, MouseButton, MouseDownEvent, Pixels, Render,
     ScrollWheelEvent, Stateful, Styled, Subscription, Task, WeakEntity, actions, anchored,
     deferred, div,
 };
-use itertools::Itertools;
 use persistence::TERMINAL_DB;
-use project::{Entry, Metadata, Project, search::SearchQuery, terminals::TerminalKind};
+use project::{Project, search::SearchQuery, terminals::TerminalKind};
 use schemars::JsonSchema;
 use task::TaskId;
 use terminal::{
@@ -31,16 +30,17 @@ use terminal::{
 };
 use terminal_element::TerminalElement;
 use terminal_panel::TerminalPanel;
+use terminal_path_like_target::{hover_path_like_target, open_path_like_target};
 use terminal_scrollbar::TerminalScrollHandle;
 use terminal_slash_command::TerminalSlashCommand;
 use terminal_tab_tooltip::TerminalTooltip;
 use ui::{
     ContextMenu, Icon, IconName, Label, Scrollbar, ScrollbarState, Tooltip, h_flex, prelude::*,
 };
-use util::{ResultExt, debug_panic, paths::PathWithPosition};
+use util::ResultExt;
 use workspace::{
-    CloseActiveItem, NewCenterTerminal, NewTerminal, OpenOptions, OpenVisible, ToolbarItemLocation,
-    Workspace, WorkspaceId, delete_unloaded_items,
+    CloseActiveItem, NewCenterTerminal, NewTerminal, ToolbarItemLocation, Workspace, WorkspaceId,
+    delete_unloaded_items,
     item::{
         BreadcrumbText, Item, ItemEvent, SerializableItem, TabContentParams, TabTooltipContent,
     },
@@ -48,7 +48,6 @@ use workspace::{
     searchable::{Direction, SearchEvent, SearchOptions, SearchableItem, SearchableItemHandle},
 };
 
-use anyhow::Context as _;
 use serde::Deserialize;
 use settings::{Settings, SettingsStore};
 use smol::Timer;
@@ -64,8 +63,7 @@ use std::{
 };
 
 const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
-
-const GIT_DIFF_PATH_PREFIXES: &[&str] = &["a", "b"];
+const TERMINAL_SCROLLBAR_WIDTH: Pixels = px(12.);
 
 /// Event to transmit the scroll from the element to the view
 #[derive(Clone, Debug, PartialEq)]
@@ -181,6 +179,7 @@ impl ContentMode {
 }
 
 #[derive(Debug)]
+#[cfg_attr(test, derive(Clone, Eq, PartialEq))]
 struct HoverTarget {
     tooltip: String,
     hovered_word: HoveredWord,
@@ -308,10 +307,10 @@ impl TerminalView {
                 } else {
                     let mut displayed_lines = total_lines;
 
-                    if !self.focus_handle.is_focused(window) {
-                        if let Some(max_lines) = max_lines_when_unfocused {
-                            displayed_lines = displayed_lines.min(*max_lines)
-                        }
+                    if !self.focus_handle.is_focused(window)
+                        && let Some(max_lines) = max_lines_when_unfocused
+                    {
+                        displayed_lines = displayed_lines.min(*max_lines)
                     }
 
                     ContentMode::Inline {
@@ -385,9 +384,7 @@ impl TerminalView {
             .workspace
             .upgrade()
             .and_then(|workspace| workspace.read(cx).panel::<TerminalPanel>(cx))
-            .map_or(false, |terminal_panel| {
-                terminal_panel.read(cx).assistant_enabled()
-            });
+            .is_some_and(|terminal_panel| terminal_panel.read(cx).assistant_enabled());
         let context_menu = ContextMenu::build(window, cx, |menu, _, _| {
             menu.context(self.focus_handle.clone())
                 .action("New Terminal", Box::new(NewTerminal))
@@ -956,13 +953,12 @@ impl TerminalView {
                 .on_scroll_wheel(cx.listener(|_, _, _window, cx| {
                     cx.notify();
                 }))
-                .h_full()
                 .absolute()
-                .right_1()
-                .top_1()
+                .top_0()
                 .bottom_0()
-                .w(px(12.))
-                .cursor_default()
+                .right_0()
+                .h_full()
+                .w(TERMINAL_SCROLLBAR_WIDTH)
                 .children(Scrollbar::vertical(self.scrollbar_state.clone())),
         )
     }
@@ -1069,37 +1065,13 @@ fn subscribe_for_terminal_events(
                                     .as_ref()
                                     .map(|hover| &hover.hovered_word)
                             {
-                                let valid_files_to_open_task = possible_open_target(
+                                terminal_view.hover = None;
+                                terminal_view.hover_tooltip_update = hover_path_like_target(
                                     &workspace,
-                                    &path_like_target.terminal_dir,
-                                    &path_like_target.maybe_path,
+                                    hovered_word.clone(),
+                                    path_like_target,
                                     cx,
                                 );
-                                let hovered_word = hovered_word.clone();
-
-                                terminal_view.hover = None;
-                                terminal_view.hover_tooltip_update =
-                                    cx.spawn(async move |terminal_view, cx| {
-                                        let file_to_open = valid_files_to_open_task.await;
-                                        terminal_view
-                                            .update(cx, |terminal_view, _| match file_to_open {
-                                                Some(
-                                                    OpenTarget::File(path, _)
-                                                    | OpenTarget::Worktree(path, _),
-                                                ) => {
-                                                    terminal_view.hover = Some(HoverTarget {
-                                                        tooltip: path.to_string(|path| {
-                                                            path.to_string_lossy().to_string()
-                                                        }),
-                                                        hovered_word,
-                                                    });
-                                                }
-                                                None => {
-                                                    terminal_view.hover = None;
-                                                }
-                                            })
-                                            .ok();
-                                    });
                                 cx.notify();
                             }
                         }
@@ -1113,86 +1085,13 @@ fn subscribe_for_terminal_events(
 
                 Event::Open(maybe_navigation_target) => match maybe_navigation_target {
                     MaybeNavigationTarget::Url(url) => cx.open_url(url),
-
-                    MaybeNavigationTarget::PathLike(path_like_target) => {
-                        if terminal_view.hover.is_none() {
-                            return;
-                        }
-                        let task_workspace = workspace.clone();
-                        let path_like_target = path_like_target.clone();
-                        cx.spawn_in(window, async move |terminal_view, cx| {
-                            let open_target = terminal_view
-                                .update(cx, |_, cx| {
-                                    possible_open_target(
-                                        &task_workspace,
-                                        &path_like_target.terminal_dir,
-                                        &path_like_target.maybe_path,
-                                        cx,
-                                    )
-                                })?
-                                .await;
-                            if let Some(open_target) = open_target {
-                                let path_to_open = open_target.path();
-                                let opened_items = task_workspace
-                                    .update_in(cx, |workspace, window, cx| {
-                                        workspace.open_paths(
-                                            vec![path_to_open.path.clone()],
-                                            OpenOptions {
-                                                visible: Some(OpenVisible::OnlyDirectories),
-                                                ..Default::default()
-                                            },
-                                            None,
-                                            window,
-                                            cx,
-                                        )
-                                    })
-                                    .context("workspace update")?
-                                    .await;
-                                if opened_items.len() != 1 {
-                                    debug_panic!(
-                                        "Received {} items for one path {path_to_open:?}",
-                                        opened_items.len(),
-                                    );
-                                }
-
-                                if let Some(opened_item) = opened_items.first() {
-                                    if open_target.is_file() {
-                                        if let Some(Ok(opened_item)) = opened_item {
-                                            if let Some(row) = path_to_open.row {
-                                                let col = path_to_open.column.unwrap_or(0);
-                                                if let Some(active_editor) =
-                                                    opened_item.downcast::<Editor>()
-                                                {
-                                                    active_editor
-                                                        .downgrade()
-                                                        .update_in(cx, |editor, window, cx| {
-                                                            editor.go_to_singleton_buffer_point(
-                                                                language::Point::new(
-                                                                    row.saturating_sub(1),
-                                                                    col.saturating_sub(1),
-                                                                ),
-                                                                window,
-                                                                cx,
-                                                            )
-                                                        })
-                                                        .log_err();
-                                                }
-                                            }
-                                        }
-                                    } else if open_target.is_dir() {
-                                        task_workspace.update(cx, |workspace, cx| {
-                                            workspace.project().update(cx, |_, cx| {
-                                                cx.emit(project::Event::ActivateProjectPanel);
-                                            })
-                                        })?;
-                                    }
-                                }
-                            }
-
-                            anyhow::Ok(())
-                        })
-                        .detach_and_log_err(cx)
-                    }
+                    MaybeNavigationTarget::PathLike(path_like_target) => open_path_like_target(
+                        &workspace,
+                        terminal_view,
+                        path_like_target,
+                        window,
+                        cx,
+                    ),
                 },
                 Event::BreadcrumbsChanged => cx.emit(ItemEvent::UpdateBreadcrumbs),
                 Event::CloseTerminal => cx.emit(ItemEvent::CloseItem),
@@ -1206,241 +1105,6 @@ fn subscribe_for_terminal_events(
     vec![terminal_subscription, terminal_events_subscription]
 }
 
-#[derive(Debug, Clone)]
-enum OpenTarget {
-    Worktree(PathWithPosition, Entry),
-    File(PathWithPosition, Metadata),
-}
-
-impl OpenTarget {
-    fn is_file(&self) -> bool {
-        match self {
-            OpenTarget::Worktree(_, entry) => entry.is_file(),
-            OpenTarget::File(_, metadata) => !metadata.is_dir,
-        }
-    }
-
-    fn is_dir(&self) -> bool {
-        match self {
-            OpenTarget::Worktree(_, entry) => entry.is_dir(),
-            OpenTarget::File(_, metadata) => metadata.is_dir,
-        }
-    }
-
-    fn path(&self) -> &PathWithPosition {
-        match self {
-            OpenTarget::Worktree(path, _) => path,
-            OpenTarget::File(path, _) => path,
-        }
-    }
-}
-
-fn possible_open_target(
-    workspace: &WeakEntity<Workspace>,
-    cwd: &Option<PathBuf>,
-    maybe_path: &str,
-    cx: &App,
-) -> Task<Option<OpenTarget>> {
-    let Some(workspace) = workspace.upgrade() else {
-        return Task::ready(None);
-    };
-    // We have to check for both paths, as on Unix, certain paths with positions are valid file paths too.
-    // We can be on FS remote part, without real FS, so cannot canonicalize or check for existence the path right away.
-    let mut potential_paths = Vec::new();
-    let original_path = PathWithPosition::from_path(PathBuf::from(maybe_path));
-    let path_with_position = PathWithPosition::parse_str(maybe_path);
-    let worktree_candidates = workspace
-        .read(cx)
-        .worktrees(cx)
-        .sorted_by_key(|worktree| {
-            let worktree_root = worktree.read(cx).abs_path();
-            match cwd
-                .as_ref()
-                .and_then(|cwd| worktree_root.strip_prefix(cwd).ok())
-            {
-                Some(cwd_child) => cwd_child.components().count(),
-                None => usize::MAX,
-            }
-        })
-        .collect::<Vec<_>>();
-    // Since we do not check paths via FS and joining, we need to strip off potential `./`, `a/`, `b/` prefixes out of it.
-    for prefix_str in GIT_DIFF_PATH_PREFIXES.iter().chain(std::iter::once(&".")) {
-        if let Some(stripped) = original_path.path.strip_prefix(prefix_str).ok() {
-            potential_paths.push(PathWithPosition {
-                path: stripped.to_owned(),
-                row: original_path.row,
-                column: original_path.column,
-            });
-        }
-        if let Some(stripped) = path_with_position.path.strip_prefix(prefix_str).ok() {
-            potential_paths.push(PathWithPosition {
-                path: stripped.to_owned(),
-                row: path_with_position.row,
-                column: path_with_position.column,
-            });
-        }
-    }
-
-    let insert_both_paths = original_path != path_with_position;
-    potential_paths.insert(0, original_path);
-    if insert_both_paths {
-        potential_paths.insert(1, path_with_position);
-    }
-
-    // If we won't find paths "easily", we can traverse the entire worktree to look what ends with the potential path suffix.
-    // That will be slow, though, so do the fast checks first.
-    let mut worktree_paths_to_check = Vec::new();
-    for worktree in &worktree_candidates {
-        let worktree_root = worktree.read(cx).abs_path();
-        let mut paths_to_check = Vec::with_capacity(potential_paths.len());
-
-        for path_with_position in &potential_paths {
-            let path_to_check = if worktree_root.ends_with(&path_with_position.path) {
-                let root_path_with_position = PathWithPosition {
-                    path: worktree_root.to_path_buf(),
-                    row: path_with_position.row,
-                    column: path_with_position.column,
-                };
-                match worktree.read(cx).root_entry() {
-                    Some(root_entry) => {
-                        return Task::ready(Some(OpenTarget::Worktree(
-                            root_path_with_position,
-                            root_entry.clone(),
-                        )));
-                    }
-                    None => root_path_with_position,
-                }
-            } else {
-                PathWithPosition {
-                    path: path_with_position
-                        .path
-                        .strip_prefix(&worktree_root)
-                        .unwrap_or(&path_with_position.path)
-                        .to_owned(),
-                    row: path_with_position.row,
-                    column: path_with_position.column,
-                }
-            };
-
-            if path_to_check.path.is_relative() {
-                if let Some(entry) = worktree.read(cx).entry_for_path(&path_to_check.path) {
-                    return Task::ready(Some(OpenTarget::Worktree(
-                        PathWithPosition {
-                            path: worktree_root.join(&entry.path),
-                            row: path_to_check.row,
-                            column: path_to_check.column,
-                        },
-                        entry.clone(),
-                    )));
-                }
-            }
-
-            paths_to_check.push(path_to_check);
-        }
-
-        if !paths_to_check.is_empty() {
-            worktree_paths_to_check.push((worktree.clone(), paths_to_check));
-        }
-    }
-
-    // Before entire worktree traversal(s), make an attempt to do FS checks if available.
-    let fs_paths_to_check = if workspace.read(cx).project().read(cx).is_local() {
-        potential_paths
-            .into_iter()
-            .flat_map(|path_to_check| {
-                let mut paths_to_check = Vec::new();
-                let maybe_path = &path_to_check.path;
-                if maybe_path.starts_with("~") {
-                    if let Some(home_path) =
-                        maybe_path
-                            .strip_prefix("~")
-                            .ok()
-                            .and_then(|stripped_maybe_path| {
-                                Some(dirs::home_dir()?.join(stripped_maybe_path))
-                            })
-                    {
-                        paths_to_check.push(PathWithPosition {
-                            path: home_path,
-                            row: path_to_check.row,
-                            column: path_to_check.column,
-                        });
-                    }
-                } else {
-                    paths_to_check.push(PathWithPosition {
-                        path: maybe_path.clone(),
-                        row: path_to_check.row,
-                        column: path_to_check.column,
-                    });
-                    if maybe_path.is_relative() {
-                        if let Some(cwd) = &cwd {
-                            paths_to_check.push(PathWithPosition {
-                                path: cwd.join(maybe_path),
-                                row: path_to_check.row,
-                                column: path_to_check.column,
-                            });
-                        }
-                        for worktree in &worktree_candidates {
-                            paths_to_check.push(PathWithPosition {
-                                path: worktree.read(cx).abs_path().join(maybe_path),
-                                row: path_to_check.row,
-                                column: path_to_check.column,
-                            });
-                        }
-                    }
-                }
-                paths_to_check
-            })
-            .collect()
-    } else {
-        Vec::new()
-    };
-
-    let worktree_check_task = cx.spawn(async move |cx| {
-        for (worktree, worktree_paths_to_check) in worktree_paths_to_check {
-            let found_entry = worktree
-                .update(cx, |worktree, _| {
-                    let worktree_root = worktree.abs_path();
-                    let mut traversal = worktree.traverse_from_path(true, true, false, "".as_ref());
-                    while let Some(entry) = traversal.next() {
-                        if let Some(path_in_worktree) = worktree_paths_to_check
-                            .iter()
-                            .find(|path_to_check| entry.path.ends_with(&path_to_check.path))
-                        {
-                            return Some(OpenTarget::Worktree(
-                                PathWithPosition {
-                                    path: worktree_root.join(&entry.path),
-                                    row: path_in_worktree.row,
-                                    column: path_in_worktree.column,
-                                },
-                                entry.clone(),
-                            ));
-                        }
-                    }
-                    None
-                })
-                .ok()?;
-            if let Some(found_entry) = found_entry {
-                return Some(found_entry);
-            }
-        }
-        None
-    });
-
-    let fs = workspace.read(cx).project().read(cx).fs().clone();
-    cx.background_spawn(async move {
-        for mut path_to_check in fs_paths_to_check {
-            if let Some(fs_path_to_check) = fs.canonicalize(&path_to_check.path).await.ok() {
-                if let Some(metadata) = fs.metadata(&fs_path_to_check).await.ok().flatten() {
-                    path_to_check.path = fs_path_to_check;
-                    return Some(OpenTarget::File(path_to_check, metadata));
-                }
-            }
-        }
-
-        worktree_check_task.await
-    })
-}
-
 fn regex_search_for_query(query: &project::search::SearchQuery) -> Option<RegexSearch> {
     let str = query.as_str();
     if query.is_regex() {
@@ -1492,10 +1156,20 @@ impl TerminalView {
 impl Render for TerminalView {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let terminal_handle = self.terminal.clone();
-        let terminal_view_handle = cx.entity().clone();
+        let terminal_view_handle = cx.entity();
 
         let focused = self.focus_handle.is_focused(window);
 
+        // Always calculate scrollbar width to prevent layout shift
+        let scrollbar_width = if Self::should_show_scrollbar(cx)
+            && self.content_mode(window, cx).is_scrollable()
+            && self.terminal.read(cx).total_lines() > self.terminal.read(cx).viewport_lines()
+        {
+            TERMINAL_SCROLLBAR_WIDTH
+        } else {
+            px(0.)
+        };
+
         div()
             .id("terminal-view")
             .size_full()
@@ -1545,6 +1219,8 @@ impl Render for TerminalView {
                 // TODO: Oddly this wrapper div is needed for TerminalElement to not steal events from the context menu
                 div()
                     .size_full()
+                    .bg(cx.theme().colors().editor_background)
+                    .when(scrollbar_width > px(0.), |div| div.pr(scrollbar_width))
                     .child(TerminalElement::new(
                         terminal_handle,
                         terminal_view_handle,
@@ -1591,17 +1267,17 @@ impl Item for TerminalView {
         let (icon, icon_color, rerun_button) = match terminal.task() {
             Some(terminal_task) => match &terminal_task.status {
                 TaskStatus::Running => (
-                    IconName::Play,
+                    IconName::PlayFilled,
                     Color::Disabled,
-                    TerminalView::rerun_button(&terminal_task),
+                    TerminalView::rerun_button(terminal_task),
                 ),
                 TaskStatus::Unknown => (
                     IconName::Warning,
                     Color::Warning,
-                    TerminalView::rerun_button(&terminal_task),
+                    TerminalView::rerun_button(terminal_task),
                 ),
                 TaskStatus::Completed { success } => {
-                    let rerun_button = TerminalView::rerun_button(&terminal_task);
+                    let rerun_button = TerminalView::rerun_button(terminal_task);
 
                     if *success {
                         (IconName::Check, Color::Success, rerun_button)
@@ -1654,7 +1330,6 @@ impl Item for TerminalView {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Option<Entity<Self>> {
-        let window_handle = window.window_handle();
         let terminal = self
             .project
             .update(cx, |project, cx| {
@@ -1666,7 +1341,6 @@ impl Item for TerminalView {
                 project.create_terminal_with_venv(
                     TerminalKind::Shell(working_directory),
                     python_venv_directory,
-                    window_handle,
                     cx,
                 )
             })
@@ -1802,7 +1476,6 @@ impl SerializableItem for TerminalView {
         window: &mut Window,
         cx: &mut App,
     ) -> Task<anyhow::Result<Entity<Self>>> {
-        let window_handle = window.window_handle();
         window.spawn(cx, async move |cx| {
             let cwd = cx
                 .update(|_window, cx| {
@@ -1826,7 +1499,7 @@ impl SerializableItem for TerminalView {
 
             let terminal = project
                 .update(cx, |project, cx| {
-                    project.create_terminal(TerminalKind::Shell(cwd), window_handle, cx)
+                    project.create_terminal(TerminalKind::Shell(cwd), cx)
                 })?
                 .await?;
             cx.update(|window, cx| {
@@ -1861,7 +1534,7 @@ impl SearchableItem for TerminalView {
 
     /// Clear stored matches
     fn clear_matches(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
-        self.terminal().update(cx, |term, _| term.matches.clear())
+        self.terminal().update(cx, |term, _| term.clear_matches())
     }
 
     /// Store matches returned from find_matches somewhere for rendering
@@ -1931,7 +1604,8 @@ impl SearchableItem for TerminalView {
         // Selection head might have a value if there's a selection that isn't
         // associated with a match. Therefore, if there are no matches, we should
         // report None, no matter the state of the terminal
-        let res = if !matches.is_empty() {
+
+        if !matches.is_empty() {
             if let Some(selection_head) = self.terminal().read(cx).selection_head {
                 // If selection head is contained in a match. Return that match
                 match direction {
@@ -1971,9 +1645,7 @@ impl SearchableItem for TerminalView {
             }
         } else {
             None
-        };
-
-        res
+        }
     }
     fn replace(
         &mut self,
@@ -2187,7 +1859,7 @@ mod tests {
             })
             .await
             .unwrap()
-            .to_included()
+            .into_included()
             .unwrap();
 
         (wt, entry)
diff --git a/crates/text/src/anchor.rs b/crates/text/src/anchor.rs
index bf17336f9d..becc5d9c0a 100644
--- a/crates/text/src/anchor.rs
+++ b/crates/text/src/anchor.rs
@@ -3,7 +3,7 @@ use crate::{
     locator::Locator,
 };
 use std::{cmp::Ordering, fmt::Debug, ops::Range};
-use sum_tree::Bias;
+use sum_tree::{Bias, Dimensions};
 
 /// A timestamped position in a buffer
 #[derive(Copy, Clone, Eq, PartialEq, Debug, Hash, Default)]
@@ -102,11 +102,13 @@ impl Anchor {
             let Some(fragment_id) = buffer.try_fragment_id_for_anchor(self) else {
                 return false;
             };
-            let mut fragment_cursor = buffer.fragments.cursor::<(Option<&Locator>, usize)>(&None);
+            let mut fragment_cursor = buffer
+                .fragments
+                .cursor::<Dimensions<Option<&Locator>, usize>>(&None);
             fragment_cursor.seek(&Some(fragment_id), Bias::Left);
             fragment_cursor
                 .item()
-                .map_or(false, |fragment| fragment.visible)
+                .is_some_and(|fragment| fragment.visible)
         }
     }
 }
diff --git a/crates/text/src/patch.rs b/crates/text/src/patch.rs
index 96fed17571..dcb35e9a92 100644
--- a/crates/text/src/patch.rs
+++ b/crates/text/src/patch.rs
@@ -57,7 +57,7 @@ where
             // Push the old edit if its new end is before the new edit's old start.
             if let Some(old_edit) = old_edit.as_ref() {
                 let new_edit = new_edit.as_ref();
-                if new_edit.map_or(true, |new_edit| old_edit.new.end < new_edit.old.start) {
+                if new_edit.is_none_or(|new_edit| old_edit.new.end < new_edit.old.start) {
                     let catchup = old_edit.old.start - old_start;
                     old_start += catchup;
                     new_start += catchup;
@@ -78,7 +78,7 @@ where
             // Push the new edit if its old end is before the old edit's new start.
             if let Some(new_edit) = new_edit.as_ref() {
                 let old_edit = old_edit.as_ref();
-                if old_edit.map_or(true, |old_edit| new_edit.old.end < old_edit.new.start) {
+                if old_edit.is_none_or(|old_edit| new_edit.old.end < old_edit.new.start) {
                     let catchup = new_edit.new.start - new_start;
                     old_start += catchup;
                     new_start += catchup;
diff --git a/crates/text/src/selection.rs b/crates/text/src/selection.rs
index 18b82dbb6a..d3c280bde8 100644
--- a/crates/text/src/selection.rs
+++ b/crates/text/src/selection.rs
@@ -104,6 +104,19 @@ impl<T: Copy + Ord> Selection<T> {
         self.goal = new_goal;
     }
 
+    pub fn set_head_tail(&mut self, head: T, tail: T, new_goal: SelectionGoal) {
+        if head < tail {
+            self.reversed = true;
+            self.start = head;
+            self.end = tail;
+        } else {
+            self.reversed = false;
+            self.start = tail;
+            self.end = head;
+        }
+        self.goal = new_goal;
+    }
+
     pub fn swap_head_tail(&mut self) {
         if self.reversed {
             self.reversed = false;
diff --git a/crates/text/src/text.rs b/crates/text/src/text.rs
index aded03d46a..705d3f1788 100644
--- a/crates/text/src/text.rs
+++ b/crates/text/src/text.rs
@@ -37,7 +37,7 @@ use std::{
 };
 pub use subscription::*;
 pub use sum_tree::Bias;
-use sum_tree::{FilterCursor, SumTree, TreeMap, TreeSet};
+use sum_tree::{Dimensions, FilterCursor, SumTree, TreeMap, TreeSet};
 use undo_map::UndoMap;
 
 #[cfg(any(test, feature = "test-support"))]
@@ -446,10 +446,10 @@ impl History {
     }
 
     fn merge_transactions(&mut self, transaction: TransactionId, destination: TransactionId) {
-        if let Some(transaction) = self.forget(transaction) {
-            if let Some(destination) = self.transaction_mut(destination) {
-                destination.edit_ids.extend(transaction.edit_ids);
-            }
+        if let Some(transaction) = self.forget(transaction)
+            && let Some(destination) = self.transaction_mut(destination)
+        {
+            destination.edit_ids.extend(transaction.edit_ids);
         }
     }
 
@@ -713,7 +713,7 @@ impl Buffer {
         let mut base_text = base_text.into();
         let line_ending = LineEnding::detect(&base_text);
         LineEnding::normalize(&mut base_text);
-        Self::new_normalized(replica_id, remote_id, line_ending, Rope::from(base_text))
+        Self::new_normalized(replica_id, remote_id, line_ending, Rope::from(&*base_text))
     }
 
     pub fn new_normalized(
@@ -1071,7 +1071,9 @@ impl Buffer {
         let mut insertion_offset = 0;
         let mut new_ropes =
             RopeBuilder::new(self.visible_text.cursor(0), self.deleted_text.cursor(0));
-        let mut old_fragments = self.fragments.cursor::<(VersionedFullOffset, usize)>(&cx);
+        let mut old_fragments = self
+            .fragments
+            .cursor::<Dimensions<VersionedFullOffset, usize>>(&cx);
         let mut new_fragments =
             old_fragments.slice(&VersionedFullOffset::Offset(ranges[0].start), Bias::Left);
         new_ropes.append(new_fragments.summary().text);
@@ -1147,7 +1149,7 @@ impl Buffer {
             // Insert the new text before any existing fragments within the range.
             if !new_text.is_empty() {
                 let mut old_start = old_fragments.start().1;
-                if old_fragments.item().map_or(false, |f| f.visible) {
+                if old_fragments.item().is_some_and(|f| f.visible) {
                     old_start += fragment_start.0 - old_fragments.start().0.full_offset().0;
                 }
                 let new_start = new_fragments.summary().text.visible;
@@ -1298,7 +1300,9 @@ impl Buffer {
         self.snapshot.undo_map.insert(undo);
 
         let mut edits = Patch::default();
-        let mut old_fragments = self.fragments.cursor::<(Option<&Locator>, usize)>(&None);
+        let mut old_fragments = self
+            .fragments
+            .cursor::<Dimensions<Option<&Locator>, usize>>(&None);
         let mut new_fragments = SumTree::new(&None);
         let mut new_ropes =
             RopeBuilder::new(self.visible_text.cursor(0), self.deleted_text.cursor(0));
@@ -1561,7 +1565,9 @@ impl Buffer {
         D: TextDimension,
     {
         // get fragment ranges
-        let mut cursor = self.fragments.cursor::<(Option<&Locator>, usize)>(&None);
+        let mut cursor = self
+            .fragments
+            .cursor::<Dimensions<Option<&Locator>, usize>>(&None);
         let offset_ranges = self
             .fragment_ids_for_edits(edit_ids.into_iter())
             .into_iter()
@@ -1579,11 +1585,11 @@ impl Buffer {
             .map(Some)
             .chain([None])
             .filter_map(move |range| {
-                if let Some((range, prev_range)) = range.as_ref().zip(prev_range.as_mut()) {
-                    if prev_range.end == range.start {
-                        prev_range.end = range.end;
-                        return None;
-                    }
+                if let Some((range, prev_range)) = range.as_ref().zip(prev_range.as_mut())
+                    && prev_range.end == range.start
+                {
+                    prev_range.end = range.end;
+                    return None;
                 }
                 let result = prev_range.clone();
                 prev_range = range;
@@ -1679,10 +1685,10 @@ impl Buffer {
             rx = Some(channel.1);
         }
         async move {
-            if let Some(mut rx) = rx {
-                if rx.recv().await.is_none() {
-                    anyhow::bail!("gave up waiting for version");
-                }
+            if let Some(mut rx) = rx
+                && rx.recv().await.is_none()
+            {
+                anyhow::bail!("gave up waiting for version");
             }
             Ok(())
         }
@@ -1828,7 +1834,7 @@ impl Buffer {
         let mut edits: Vec<(Range<usize>, Arc<str>)> = Vec::new();
         let mut last_end = None;
         for _ in 0..edit_count {
-            if last_end.map_or(false, |last_end| last_end >= self.len()) {
+            if last_end.is_some_and(|last_end| last_end >= self.len()) {
                 break;
             }
             let new_start = last_end.map_or(0, |last_end| last_end + 1);
@@ -2232,7 +2238,9 @@ impl BufferSnapshot {
     {
         let anchors = anchors.into_iter();
         let mut insertion_cursor = self.insertions.cursor::<InsertionFragmentKey>(&());
-        let mut fragment_cursor = self.fragments.cursor::<(Option<&Locator>, usize)>(&None);
+        let mut fragment_cursor = self
+            .fragments
+            .cursor::<Dimensions<Option<&Locator>, usize>>(&None);
         let mut text_cursor = self.visible_text.cursor(0);
         let mut position = D::zero(&());
 
@@ -2318,7 +2326,9 @@ impl BufferSnapshot {
                 );
             };
 
-            let mut fragment_cursor = self.fragments.cursor::<(Option<&Locator>, usize)>(&None);
+            let mut fragment_cursor = self
+                .fragments
+                .cursor::<Dimensions<Option<&Locator>, usize>>(&None);
             fragment_cursor.seek(&Some(&insertion.fragment_id), Bias::Left);
             let fragment = fragment_cursor.item().unwrap();
             let mut fragment_offset = fragment_cursor.start().1;
@@ -2476,7 +2486,7 @@ impl BufferSnapshot {
         };
         let mut cursor = self
             .fragments
-            .cursor::<(Option<&Locator>, FragmentTextSummary)>(&None);
+            .cursor::<Dimensions<Option<&Locator>, FragmentTextSummary>>(&None);
 
         let start_fragment_id = self.fragment_id_for_anchor(&range.start);
         cursor.seek(&Some(start_fragment_id), Bias::Left);
@@ -2661,7 +2671,7 @@ impl<D: TextDimension + Ord, F: FnMut(&FragmentSummary) -> bool> Iterator for Ed
 
             if pending_edit
                 .as_ref()
-                .map_or(false, |(change, _)| change.new.end < self.new_end)
+                .is_some_and(|(change, _)| change.new.end < self.new_end)
             {
                 break;
             }
diff --git a/crates/theme/src/default_colors.rs b/crates/theme/src/default_colors.rs
index 1c3f48b548..051b7acf10 100644
--- a/crates/theme/src/default_colors.rs
+++ b/crates/theme/src/default_colors.rs
@@ -54,6 +54,7 @@ impl ThemeColors {
             element_disabled: neutral().light_alpha().step_3(),
             element_selection_background: blue().light().step_3().alpha(0.25),
             drop_target_background: blue().light_alpha().step_2(),
+            drop_target_border: neutral().light().step_12(),
             ghost_element_background: system.transparent,
             ghost_element_hover: neutral().light_alpha().step_3(),
             ghost_element_active: neutral().light_alpha().step_4(),
@@ -179,6 +180,7 @@ impl ThemeColors {
             element_disabled: neutral().dark_alpha().step_3(),
             element_selection_background: blue().dark().step_3().alpha(0.25),
             drop_target_background: blue().dark_alpha().step_2(),
+            drop_target_border: neutral().dark().step_12(),
             ghost_element_background: system.transparent,
             ghost_element_hover: neutral().dark_alpha().step_4(),
             ghost_element_active: neutral().dark_alpha().step_5(),
diff --git a/crates/theme/src/fallback_themes.rs b/crates/theme/src/fallback_themes.rs
index 4d77dd5d81..13786aca57 100644
--- a/crates/theme/src/fallback_themes.rs
+++ b/crates/theme/src/fallback_themes.rs
@@ -34,10 +34,10 @@ pub(crate) fn apply_status_color_defaults(status: &mut StatusColorsRefinement) {
         (&status.error, &mut status.error_background),
         (&status.hidden, &mut status.hidden_background),
     ] {
-        if bg_color.is_none() {
-            if let Some(fg_color) = fg_color {
-                *bg_color = Some(fg_color.opacity(0.25));
-            }
+        if bg_color.is_none()
+            && let Some(fg_color) = fg_color
+        {
+            *bg_color = Some(fg_color.opacity(0.25));
         }
     }
 }
@@ -115,6 +115,7 @@ pub(crate) fn zed_default_dark() -> Theme {
                 element_disabled: SystemColors::default().transparent,
                 element_selection_background: player.local().selection.alpha(0.25),
                 drop_target_background: hsla(220.0 / 360., 8.3 / 100., 21.4 / 100., 1.0),
+                drop_target_border: hsla(221. / 360., 11. / 100., 86. / 100., 1.0),
                 ghost_element_background: SystemColors::default().transparent,
                 ghost_element_hover: hover,
                 ghost_element_active: hsla(220.0 / 360., 11.8 / 100., 20.0 / 100., 1.0),
diff --git a/crates/theme/src/icon_theme.rs b/crates/theme/src/icon_theme.rs
index baa928d722..c21709559a 100644
--- a/crates/theme/src/icon_theme.rs
+++ b/crates/theme/src/icon_theme.rs
@@ -152,6 +152,7 @@ const FILE_SUFFIXES_BY_ICON_KEY: &[(&str, &[&str])] = &[
     ("javascript", &["cjs", "js", "mjs"]),
     ("json", &["json"]),
     ("julia", &["jl"]),
+    ("kdl", &["kdl"]),
     ("kotlin", &["kt"]),
     ("lock", &["lock"]),
     ("log", &["log"]),
@@ -182,6 +183,7 @@ const FILE_SUFFIXES_BY_ICON_KEY: &[(&str, &[&str])] = &[
         ],
     ),
     ("prisma", &["prisma"]),
+    ("puppet", &["pp"]),
     ("python", &["py"]),
     ("r", &["r", "R"]),
     ("react", &["cjsx", "ctsx", "jsx", "mjsx", "mtsx", "tsx"]),
@@ -315,6 +317,7 @@ const FILE_ICONS: &[(&str, &str)] = &[
     ("javascript", "icons/file_icons/javascript.svg"),
     ("json", "icons/file_icons/code.svg"),
     ("julia", "icons/file_icons/julia.svg"),
+    ("kdl", "icons/file_icons/kdl.svg"),
     ("kotlin", "icons/file_icons/kotlin.svg"),
     ("lock", "icons/file_icons/lock.svg"),
     ("log", "icons/file_icons/info.svg"),
@@ -329,6 +332,7 @@ const FILE_ICONS: &[(&str, &str)] = &[
     ("php", "icons/file_icons/php.svg"),
     ("prettier", "icons/file_icons/prettier.svg"),
     ("prisma", "icons/file_icons/prisma.svg"),
+    ("puppet", "icons/file_icons/puppet.svg"),
     ("python", "icons/file_icons/python.svg"),
     ("r", "icons/file_icons/r.svg"),
     ("react", "icons/file_icons/react.svg"),
@@ -394,7 +398,7 @@ static DEFAULT_ICON_THEME: LazyLock<Arc<IconTheme>> = LazyLock::new(|| {
         },
         file_stems: icon_keys_by_association(FILE_STEMS_BY_ICON_KEY),
         file_suffixes: icon_keys_by_association(FILE_SUFFIXES_BY_ICON_KEY),
-        file_icons: HashMap::from_iter(FILE_ICONS.into_iter().map(|(ty, path)| {
+        file_icons: HashMap::from_iter(FILE_ICONS.iter().map(|(ty, path)| {
             (
                 ty.to_string(),
                 IconDefinition {
diff --git a/crates/theme/src/schema.rs b/crates/theme/src/schema.rs
index bfa2adcedf..425fedbc71 100644
--- a/crates/theme/src/schema.rs
+++ b/crates/theme/src/schema.rs
@@ -225,6 +225,10 @@ pub struct ThemeColorsContent {
     #[serde(rename = "drop_target.background")]
     pub drop_target_background: Option<String>,
 
+    /// Border Color. Used for the border that shows where a dragged element will be dropped.
+    #[serde(rename = "drop_target.border")]
+    pub drop_target_border: Option<String>,
+
     /// Used for the background of a ghost element that should have the same background as the surface it's on.
     ///
     /// Elements might include: Buttons, Inputs, Checkboxes, Radio Buttons...
@@ -747,6 +751,10 @@ impl ThemeColorsContent {
                 .drop_target_background
                 .as_ref()
                 .and_then(|color| try_parse_color(color).ok()),
+            drop_target_border: self
+                .drop_target_border
+                .as_ref()
+                .and_then(|color| try_parse_color(color).ok()),
             ghost_element_background: self
                 .ghost_element_background
                 .as_ref()
diff --git a/crates/theme/src/settings.rs b/crates/theme/src/settings.rs
index 47783283d5..df147cfe92 100644
--- a/crates/theme/src/settings.rs
+++ b/crates/theme/src/settings.rs
@@ -4,6 +4,7 @@ use crate::{
     ThemeNotFoundError, ThemeRegistry, ThemeStyleContent,
 };
 use anyhow::Result;
+use collections::HashMap;
 use derive_more::{Deref, DerefMut};
 use gpui::{
     App, Context, Font, FontFallbacks, FontFeatures, FontStyle, FontWeight, Global, Pixels,
@@ -18,6 +19,7 @@ use util::ResultExt as _;
 use util::schemars::replace_subschema;
 
 const MIN_FONT_SIZE: Pixels = px(6.0);
+const MAX_FONT_SIZE: Pixels = px(100.0);
 const MIN_LINE_HEIGHT: f32 = 1.0;
 
 #[derive(
@@ -102,8 +104,8 @@ pub struct ThemeSettings {
     ///
     /// The terminal font family can be overridden using it's own setting.
     pub buffer_font: Font,
-    /// The agent font size. Determines the size of text in the agent panel.
-    agent_font_size: Pixels,
+    /// The agent font size. Determines the size of text in the agent panel. Falls back to the UI font size if unset.
+    agent_font_size: Option<Pixels>,
     /// The line height for buffers, and the terminal.
     ///
     /// Changing this may affect the spacing of some UI elements.
@@ -117,7 +119,9 @@ pub struct ThemeSettings {
     /// Manual overrides for the active theme.
     ///
     /// Note: This setting is still experimental. See [this tracking issue](https://github.com/zed-industries/zed/issues/18078)
-    pub theme_overrides: Option<ThemeStyleContent>,
+    pub experimental_theme_overrides: Option<ThemeStyleContent>,
+    /// Manual overrides per theme
+    pub theme_overrides: HashMap<String, ThemeStyleContent>,
     /// The current icon theme selection.
     pub icon_theme_selection: Option<IconThemeSelection>,
     /// The active icon theme.
@@ -401,9 +405,9 @@ pub struct ThemeSettingsContent {
     #[serde(default)]
     #[schemars(default = "default_font_features")]
     pub buffer_font_features: Option<FontFeatures>,
-    /// The font size for the agent panel.
+    /// The font size for the agent panel. Falls back to the UI font size if unset.
     #[serde(default)]
-    pub agent_font_size: Option<f32>,
+    pub agent_font_size: Option<Option<f32>>,
     /// The name of the Zed theme to use.
     #[serde(default)]
     pub theme: Option<ThemeSelection>,
@@ -425,7 +429,13 @@ pub struct ThemeSettingsContent {
     ///
     /// These values will override the ones on the current theme specified in `theme`.
     #[serde(rename = "experimental.theme_overrides", default)]
-    pub theme_overrides: Option<ThemeStyleContent>,
+    pub experimental_theme_overrides: Option<ThemeStyleContent>,
+
+    /// Overrides per theme
+    ///
+    /// These values will override the ones on the specified theme
+    #[serde(default)]
+    pub theme_overrides: HashMap<String, ThemeStyleContent>,
 }
 
 fn default_font_features() -> Option<FontFeatures> {
@@ -438,7 +448,7 @@ fn default_font_fallbacks() -> Option<FontFallbacks> {
 
 impl ThemeSettingsContent {
     /// Sets the theme for the given appearance to the theme with the specified name.
-    pub fn set_theme(&mut self, theme_name: String, appearance: Appearance) {
+    pub fn set_theme(&mut self, theme_name: impl Into<Arc<str>>, appearance: Appearance) {
         if let Some(selection) = self.theme.as_mut() {
             let theme_to_update = match selection {
                 ThemeSelection::Static(theme) => theme,
@@ -590,13 +600,13 @@ impl ThemeSettings {
         clamp_font_size(font_size)
     }
 
-    /// Returns the UI font size.
+    /// Returns the agent panel font size. Falls back to the UI font size if unset.
     pub fn agent_font_size(&self, cx: &App) -> Pixels {
-        let font_size = cx
-            .try_global::<AgentFontSize>()
+        cx.try_global::<AgentFontSize>()
             .map(|size| size.0)
-            .unwrap_or(self.agent_font_size);
-        clamp_font_size(font_size)
+            .or(self.agent_font_size)
+            .map(clamp_font_size)
+            .unwrap_or_else(|| self.ui_font_size(cx))
     }
 
     /// Returns the buffer font size, read from the settings.
@@ -615,6 +625,14 @@ impl ThemeSettings {
         self.ui_font_size
     }
 
+    /// Returns the agent font size, read from the settings.
+    ///
+    /// The real agent font size is stored in-memory, to support temporary font size changes.
+    /// Use [`Self::agent_font_size`] to get the real font size.
+    pub fn agent_font_size_settings(&self) -> Option<Pixels> {
+        self.agent_font_size
+    }
+
     // TODO: Rename: `line_height` -> `buffer_line_height`
     /// Returns the buffer's line height.
     pub fn line_height(&self) -> f32 {
@@ -647,30 +665,39 @@ impl ThemeSettings {
 
     /// Applies the theme overrides, if there are any, to the current theme.
     pub fn apply_theme_overrides(&mut self) {
-        if let Some(theme_overrides) = &self.theme_overrides {
-            let mut base_theme = (*self.active_theme).clone();
-
-            if let Some(window_background_appearance) = theme_overrides.window_background_appearance
-            {
-                base_theme.styles.window_background_appearance =
-                    window_background_appearance.into();
-            }
-
-            base_theme
-                .styles
-                .colors
-                .refine(&theme_overrides.theme_colors_refinement());
-            base_theme
-                .styles
-                .status
-                .refine(&theme_overrides.status_colors_refinement());
-            base_theme.styles.player.merge(&theme_overrides.players);
-            base_theme.styles.accents.merge(&theme_overrides.accents);
-            base_theme.styles.syntax =
-                SyntaxTheme::merge(base_theme.styles.syntax, theme_overrides.syntax_overrides());
-
-            self.active_theme = Arc::new(base_theme);
+        // Apply the old overrides setting first, so that the new setting can override those.
+        if let Some(experimental_theme_overrides) = &self.experimental_theme_overrides {
+            let mut theme = (*self.active_theme).clone();
+            ThemeSettings::modify_theme(&mut theme, experimental_theme_overrides);
+            self.active_theme = Arc::new(theme);
         }
+
+        if let Some(theme_overrides) = self.theme_overrides.get(self.active_theme.name.as_ref()) {
+            let mut theme = (*self.active_theme).clone();
+            ThemeSettings::modify_theme(&mut theme, theme_overrides);
+            self.active_theme = Arc::new(theme);
+        }
+    }
+
+    fn modify_theme(base_theme: &mut Theme, theme_overrides: &ThemeStyleContent) {
+        if let Some(window_background_appearance) = theme_overrides.window_background_appearance {
+            base_theme.styles.window_background_appearance = window_background_appearance.into();
+        }
+
+        base_theme
+            .styles
+            .colors
+            .refine(&theme_overrides.theme_colors_refinement());
+        base_theme
+            .styles
+            .status
+            .refine(&theme_overrides.status_colors_refinement());
+        base_theme.styles.player.merge(&theme_overrides.players);
+        base_theme.styles.accents.merge(&theme_overrides.accents);
+        base_theme.styles.syntax = SyntaxTheme::merge(
+            base_theme.styles.syntax.clone(),
+            theme_overrides.syntax_overrides(),
+        );
     }
 
     /// Switches to the icon theme with the given name, if it exists.
@@ -714,14 +741,12 @@ pub fn adjusted_font_size(size: Pixels, cx: &App) -> Pixels {
 }
 
 /// Adjusts the buffer font size.
-pub fn adjust_buffer_font_size(cx: &mut App, mut f: impl FnMut(&mut Pixels)) {
+pub fn adjust_buffer_font_size(cx: &mut App, f: impl FnOnce(Pixels) -> Pixels) {
     let buffer_font_size = ThemeSettings::get_global(cx).buffer_font_size;
-    let mut adjusted_size = cx
+    let adjusted_size = cx
         .try_global::<BufferFontSize>()
         .map_or(buffer_font_size, |adjusted_size| adjusted_size.0);
-
-    f(&mut adjusted_size);
-    cx.set_global(BufferFontSize(clamp_font_size(adjusted_size)));
+    cx.set_global(BufferFontSize(clamp_font_size(f(adjusted_size))));
     cx.refresh_windows();
 }
 
@@ -747,14 +772,12 @@ pub fn setup_ui_font(window: &mut Window, cx: &mut App) -> gpui::Font {
 }
 
 /// Sets the adjusted UI font size.
-pub fn adjust_ui_font_size(cx: &mut App, mut f: impl FnMut(&mut Pixels)) {
+pub fn adjust_ui_font_size(cx: &mut App, f: impl FnOnce(Pixels) -> Pixels) {
     let ui_font_size = ThemeSettings::get_global(cx).ui_font_size(cx);
-    let mut adjusted_size = cx
+    let adjusted_size = cx
         .try_global::<UiFontSize>()
         .map_or(ui_font_size, |adjusted_size| adjusted_size.0);
-
-    f(&mut adjusted_size);
-    cx.set_global(UiFontSize(clamp_font_size(adjusted_size)));
+    cx.set_global(UiFontSize(clamp_font_size(f(adjusted_size))));
     cx.refresh_windows();
 }
 
@@ -766,19 +789,17 @@ pub fn reset_ui_font_size(cx: &mut App) {
     }
 }
 
-/// Sets the adjusted UI font size.
-pub fn adjust_agent_font_size(cx: &mut App, mut f: impl FnMut(&mut Pixels)) {
+/// Sets the adjusted agent panel font size.
+pub fn adjust_agent_font_size(cx: &mut App, f: impl FnOnce(Pixels) -> Pixels) {
     let agent_font_size = ThemeSettings::get_global(cx).agent_font_size(cx);
-    let mut adjusted_size = cx
+    let adjusted_size = cx
         .try_global::<AgentFontSize>()
         .map_or(agent_font_size, |adjusted_size| adjusted_size.0);
-
-    f(&mut adjusted_size);
-    cx.set_global(AgentFontSize(clamp_font_size(adjusted_size)));
+    cx.set_global(AgentFontSize(clamp_font_size(f(adjusted_size))));
     cx.refresh_windows();
 }
 
-/// Resets the UI font size to the default value.
+/// Resets the agent panel font size to the default value.
 pub fn reset_agent_font_size(cx: &mut App) {
     if cx.has_global::<AgentFontSize>() {
         cx.remove_global::<AgentFontSize>();
@@ -788,7 +809,7 @@ pub fn reset_agent_font_size(cx: &mut App) {
 
 /// Ensures font size is within the valid range.
 pub fn clamp_font_size(size: Pixels) -> Pixels {
-    size.max(MIN_FONT_SIZE)
+    size.clamp(MIN_FONT_SIZE, MAX_FONT_SIZE)
 }
 
 fn clamp_font_weight(weight: f32) -> FontWeight {
@@ -842,13 +863,14 @@ impl settings::Settings for ThemeSettings {
             },
             buffer_font_size: defaults.buffer_font_size.unwrap().into(),
             buffer_line_height: defaults.buffer_line_height.unwrap(),
-            agent_font_size: defaults.agent_font_size.unwrap().into(),
+            agent_font_size: defaults.agent_font_size.flatten().map(Into::into),
             theme_selection: defaults.theme.clone(),
             active_theme: themes
                 .get(defaults.theme.as_ref().unwrap().theme(*system_appearance))
                 .or(themes.get(&zed_default_dark().name))
                 .unwrap(),
-            theme_overrides: None,
+            experimental_theme_overrides: None,
+            theme_overrides: HashMap::default(),
             icon_theme_selection: defaults.icon_theme.clone(),
             active_icon_theme: defaults
                 .icon_theme
@@ -867,6 +889,7 @@ impl settings::Settings for ThemeSettings {
             .user
             .into_iter()
             .chain(sources.release_channel)
+            .chain(sources.operating_system)
             .chain(sources.profile)
             .chain(sources.server)
         {
@@ -917,6 +940,8 @@ impl settings::Settings for ThemeSettings {
                 }
             }
 
+            this.experimental_theme_overrides
+                .clone_from(&value.experimental_theme_overrides);
             this.theme_overrides.clone_from(&value.theme_overrides);
             this.apply_theme_overrides();
 
@@ -937,20 +962,20 @@ impl settings::Settings for ThemeSettings {
                 }
             }
 
-            merge(&mut this.ui_font_size, value.ui_font_size.map(Into::into));
-            this.ui_font_size = this.ui_font_size.clamp(px(6.), px(100.));
-
+            merge(
+                &mut this.ui_font_size,
+                value.ui_font_size.map(Into::into).map(clamp_font_size),
+            );
             merge(
                 &mut this.buffer_font_size,
-                value.buffer_font_size.map(Into::into),
+                value.buffer_font_size.map(Into::into).map(clamp_font_size),
             );
-            this.buffer_font_size = this.buffer_font_size.clamp(px(6.), px(100.));
-
             merge(
                 &mut this.agent_font_size,
-                value.agent_font_size.map(Into::into),
+                value
+                    .agent_font_size
+                    .map(|value| value.map(Into::into).map(clamp_font_size)),
             );
-            this.agent_font_size = this.agent_font_size.clamp(px(6.), px(100.));
 
             merge(&mut this.buffer_line_height, value.buffer_line_height);
 
diff --git a/crates/theme/src/styles/colors.rs b/crates/theme/src/styles/colors.rs
index aab11803f4..198ad97adb 100644
--- a/crates/theme/src/styles/colors.rs
+++ b/crates/theme/src/styles/colors.rs
@@ -59,6 +59,8 @@ pub struct ThemeColors {
     pub element_disabled: Hsla,
     /// Background Color. Used for the area that shows where a dragged element will be dropped.
     pub drop_target_background: Hsla,
+    /// Border Color. Used for the border that shows where a dragged element will be dropped.
+    pub drop_target_border: Hsla,
     /// Used for the background of a ghost element that should have the same background as the surface it's on.
     ///
     /// Elements might include: Buttons, Inputs, Checkboxes, Radio Buttons...
@@ -304,6 +306,7 @@ pub enum ThemeColorField {
     ElementSelected,
     ElementDisabled,
     DropTargetBackground,
+    DropTargetBorder,
     GhostElementBackground,
     GhostElementHover,
     GhostElementActive,
@@ -418,6 +421,7 @@ impl ThemeColors {
             ThemeColorField::ElementSelected => self.element_selected,
             ThemeColorField::ElementDisabled => self.element_disabled,
             ThemeColorField::DropTargetBackground => self.drop_target_background,
+            ThemeColorField::DropTargetBorder => self.drop_target_border,
             ThemeColorField::GhostElementBackground => self.ghost_element_background,
             ThemeColorField::GhostElementHover => self.ghost_element_hover,
             ThemeColorField::GhostElementActive => self.ghost_element_active,
diff --git a/crates/theme/src/theme.rs b/crates/theme/src/theme.rs
index f04eeade73..c54010b4b0 100644
--- a/crates/theme/src/theme.rs
+++ b/crates/theme/src/theme.rs
@@ -107,6 +107,8 @@ pub fn init(themes_to_load: LoadThemes, cx: &mut App) {
     let mut prev_buffer_font_size_settings =
         ThemeSettings::get_global(cx).buffer_font_size_settings();
     let mut prev_ui_font_size_settings = ThemeSettings::get_global(cx).ui_font_size_settings();
+    let mut prev_agent_font_size_settings =
+        ThemeSettings::get_global(cx).agent_font_size_settings();
     cx.observe_global::<SettingsStore>(move |cx| {
         let buffer_font_size_settings = ThemeSettings::get_global(cx).buffer_font_size_settings();
         if buffer_font_size_settings != prev_buffer_font_size_settings {
@@ -119,6 +121,12 @@ pub fn init(themes_to_load: LoadThemes, cx: &mut App) {
             prev_ui_font_size_settings = ui_font_size_settings;
             reset_ui_font_size(cx);
         }
+
+        let agent_font_size_settings = ThemeSettings::get_global(cx).agent_font_size_settings();
+        if agent_font_size_settings != prev_agent_font_size_settings {
+            prev_agent_font_size_settings = agent_font_size_settings;
+            reset_agent_font_size(cx);
+        }
     })
     .detach();
 }
@@ -249,9 +257,9 @@ pub fn refine_theme_family(theme_family_content: ThemeFamilyContent) -> ThemeFam
     let author = theme_family_content.author.clone();
 
     let mut theme_family = ThemeFamily {
-        id: id.clone(),
-        name: name.clone().into(),
-        author: author.clone().into(),
+        id,
+        name: name.into(),
+        author: author.into(),
         themes: vec![],
         scales: default_color_scales(),
     };
diff --git a/crates/theme_importer/src/vscode/converter.rs b/crates/theme_importer/src/vscode/converter.rs
index 0249bdc7c9..b3b846d91d 100644
--- a/crates/theme_importer/src/vscode/converter.rs
+++ b/crates/theme_importer/src/vscode/converter.rs
@@ -158,7 +158,7 @@ impl VsCodeThemeConverter {
                 .tab
                 .active_background
                 .clone()
-                .or(vscode_tab_inactive_background.clone()),
+                .or(vscode_tab_inactive_background),
             search_match_background: vscode_colors.editor.find_match_background.clone(),
             panel_background: vscode_colors.panel.background.clone(),
             pane_group_border: vscode_colors.editor_group.border.clone(),
@@ -171,22 +171,20 @@ impl VsCodeThemeConverter {
                 .scrollbar_slider
                 .active_background
                 .clone(),
-            scrollbar_thumb_border: vscode_scrollbar_slider_background.clone(),
+            scrollbar_thumb_border: vscode_scrollbar_slider_background,
             scrollbar_track_background: vscode_editor_background.clone(),
             scrollbar_track_border: vscode_colors.editor_overview_ruler.border.clone(),
             minimap_thumb_background: vscode_colors.minimap_slider.background.clone(),
             minimap_thumb_hover_background: vscode_colors.minimap_slider.hover_background.clone(),
             minimap_thumb_active_background: vscode_colors.minimap_slider.active_background.clone(),
-            editor_foreground: vscode_editor_foreground
-                .clone()
-                .or(vscode_token_colors_foreground.clone()),
+            editor_foreground: vscode_editor_foreground.or(vscode_token_colors_foreground),
             editor_background: vscode_editor_background.clone(),
-            editor_gutter_background: vscode_editor_background.clone(),
+            editor_gutter_background: vscode_editor_background,
             editor_active_line_background: vscode_colors.editor.line_highlight_background.clone(),
             editor_line_number: vscode_colors.editor_line_number.foreground.clone(),
             editor_active_line_number: vscode_colors.editor.foreground.clone(),
             editor_wrap_guide: vscode_panel_border.clone(),
-            editor_active_wrap_guide: vscode_panel_border.clone(),
+            editor_active_wrap_guide: vscode_panel_border,
             editor_document_highlight_bracket_background: vscode_colors
                 .editor_bracket_match
                 .background
diff --git a/crates/theme_selector/src/icon_theme_selector.rs b/crates/theme_selector/src/icon_theme_selector.rs
index 1adfc4b5d8..af7abdee62 100644
--- a/crates/theme_selector/src/icon_theme_selector.rs
+++ b/crates/theme_selector/src/icon_theme_selector.rs
@@ -40,7 +40,10 @@ impl IconThemeSelector {
 
 impl Render for IconThemeSelector {
     fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
-        v_flex().w(rems(34.)).child(self.picker.clone())
+        v_flex()
+            .key_context("IconThemeSelector")
+            .w(rems(34.))
+            .child(self.picker.clone())
     }
 }
 
@@ -315,7 +318,7 @@ impl PickerDelegate for IconThemeSelectorDelegate {
                     Button::new("docs", "View Icon Theme Docs")
                         .icon(IconName::ArrowUpRight)
                         .icon_position(IconPosition::End)
-                        .icon_size(IconSize::XSmall)
+                        .icon_size(IconSize::Small)
                         .icon_color(Color::Muted)
                         .on_click(|_event, _window, cx| {
                             cx.open_url("https://zed.dev/docs/icon-themes");
diff --git a/crates/theme_selector/src/theme_selector.rs b/crates/theme_selector/src/theme_selector.rs
index 022daced7a..8c48f295dd 100644
--- a/crates/theme_selector/src/theme_selector.rs
+++ b/crates/theme_selector/src/theme_selector.rs
@@ -92,7 +92,10 @@ impl Focusable for ThemeSelector {
 
 impl Render for ThemeSelector {
     fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
-        v_flex().w(rems(34.)).child(self.picker.clone())
+        v_flex()
+            .key_context("ThemeSelector")
+            .w(rems(34.))
+            .child(self.picker.clone())
     }
 }
 
@@ -373,7 +376,7 @@ impl PickerDelegate for ThemeSelectorDelegate {
                     Button::new("docs", "View Theme Docs")
                         .icon(IconName::ArrowUpRight)
                         .icon_position(IconPosition::End)
-                        .icon_size(IconSize::XSmall)
+                        .icon_size(IconSize::Small)
                         .icon_color(Color::Muted)
                         .on_click(cx.listener(|_, _, _, cx| {
                             cx.open_url("https://zed.dev/docs/themes");
diff --git a/crates/title_bar/src/application_menu.rs b/crates/title_bar/src/application_menu.rs
index a5d5f154c9..4a8cac2435 100644
--- a/crates/title_bar/src/application_menu.rs
+++ b/crates/title_bar/src/application_menu.rs
@@ -121,8 +121,16 @@ impl ApplicationMenu {
                                     menu.action(name, action)
                                 }
                                 OwnedMenuItem::Submenu(_) => menu,
+                                OwnedMenuItem::SystemMenu(_) => {
+                                    // A system menu doesn't make sense in this context, so ignore it
+                                    menu
+                                }
                             })
                     }
+                    OwnedMenuItem::SystemMenu(_) => {
+                        // A system menu doesn't make sense in this context, so ignore it
+                        menu
+                    }
                 })
         })
     }
@@ -178,7 +186,7 @@ impl ApplicationMenu {
                     .trigger(
                         Button::new(
                             SharedString::from(format!("{}-menu-trigger", menu_name)),
-                            menu_name.clone(),
+                            menu_name,
                         )
                         .style(ButtonStyle::Subtle)
                         .label_size(LabelSize::Small),
@@ -261,32 +269,31 @@ impl Render for ApplicationMenu {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let all_menus_shown = self.all_menus_shown(cx);
 
-        if let Some(pending_menu_open) = self.pending_menu_open.take() {
-            if let Some(entry) = self
+        if let Some(pending_menu_open) = self.pending_menu_open.take()
+            && let Some(entry) = self
                 .entries
                 .iter()
                 .find(|entry| entry.menu.name == pending_menu_open && !entry.handle.is_deployed())
-            {
-                let handle_to_show = entry.handle.clone();
-                let handles_to_hide: Vec<_> = self
-                    .entries
-                    .iter()
-                    .filter(|e| e.menu.name != pending_menu_open && e.handle.is_deployed())
-                    .map(|e| e.handle.clone())
-                    .collect();
+        {
+            let handle_to_show = entry.handle.clone();
+            let handles_to_hide: Vec<_> = self
+                .entries
+                .iter()
+                .filter(|e| e.menu.name != pending_menu_open && e.handle.is_deployed())
+                .map(|e| e.handle.clone())
+                .collect();
 
-                if handles_to_hide.is_empty() {
-                    // We need to wait for the next frame to show all menus first,
-                    // before we can handle show/hide operations
-                    window.on_next_frame(move |window, cx| {
-                        handles_to_hide.iter().for_each(|handle| handle.hide(cx));
-                        window.defer(cx, move |window, cx| handle_to_show.show(window, cx));
-                    });
-                } else {
-                    // Since menus are already shown, we can directly handle show/hide operations
+            if handles_to_hide.is_empty() {
+                // We need to wait for the next frame to show all menus first,
+                // before we can handle show/hide operations
+                window.on_next_frame(move |window, cx| {
                     handles_to_hide.iter().for_each(|handle| handle.hide(cx));
-                    cx.defer_in(window, move |_, window, cx| handle_to_show.show(window, cx));
-                }
+                    window.defer(cx, move |window, cx| handle_to_show.show(window, cx));
+                });
+            } else {
+                // Since menus are already shown, we can directly handle show/hide operations
+                handles_to_hide.iter().for_each(|handle| handle.hide(cx));
+                cx.defer_in(window, move |_, window, cx| handle_to_show.show(window, cx));
             }
         }
 
diff --git a/crates/title_bar/src/collab.rs b/crates/title_bar/src/collab.rs
index d026b4de14..c667edb509 100644
--- a/crates/title_bar/src/collab.rs
+++ b/crates/title_bar/src/collab.rs
@@ -14,7 +14,6 @@ use ui::{
     Avatar, AvatarAudioStatusIndicator, ContextMenu, ContextMenuItem, Divider, DividerColor,
     Facepile, PopoverMenu, SplitButton, SplitButtonStyle, TintColor, Tooltip, prelude::*,
 };
-use util::maybe;
 use workspace::notifications::DetachAndPromptErr;
 
 use crate::TitleBar;
@@ -32,52 +31,59 @@ actions!(
 );
 
 fn toggle_screen_sharing(
-    screen: Option<Rc<dyn ScreenCaptureSource>>,
+    screen: anyhow::Result<Option<Rc<dyn ScreenCaptureSource>>>,
     window: &mut Window,
     cx: &mut App,
 ) {
     let call = ActiveCall::global(cx).read(cx);
-    if let Some(room) = call.room().cloned() {
-        let toggle_screen_sharing = room.update(cx, |room, cx| {
-            let clicked_on_currently_shared_screen =
-                room.shared_screen_id().is_some_and(|screen_id| {
-                    Some(screen_id)
-                        == screen
-                            .as_deref()
-                            .and_then(|s| s.metadata().ok().map(|meta| meta.id))
-                });
-            let should_unshare_current_screen = room.is_sharing_screen();
-            let unshared_current_screen = should_unshare_current_screen.then(|| {
-                telemetry::event!(
-                    "Screen Share Disabled",
-                    room_id = room.id(),
-                    channel_id = room.channel_id(),
-                );
-                room.unshare_screen(clicked_on_currently_shared_screen || screen.is_none(), cx)
-            });
-            if let Some(screen) = screen {
-                if !should_unshare_current_screen {
+    let toggle_screen_sharing = match screen {
+        Ok(screen) => {
+            let Some(room) = call.room().cloned() else {
+                return;
+            };
+
+            room.update(cx, |room, cx| {
+                let clicked_on_currently_shared_screen =
+                    room.shared_screen_id().is_some_and(|screen_id| {
+                        Some(screen_id)
+                            == screen
+                                .as_deref()
+                                .and_then(|s| s.metadata().ok().map(|meta| meta.id))
+                    });
+                let should_unshare_current_screen = room.is_sharing_screen();
+                let unshared_current_screen = should_unshare_current_screen.then(|| {
                     telemetry::event!(
-                        "Screen Share Enabled",
+                        "Screen Share Disabled",
                         room_id = room.id(),
                         channel_id = room.channel_id(),
                     );
-                }
-                cx.spawn(async move |room, cx| {
-                    unshared_current_screen.transpose()?;
-                    if !clicked_on_currently_shared_screen {
-                        room.update(cx, |room, cx| room.share_screen(screen, cx))?
-                            .await
-                    } else {
-                        Ok(())
+                    room.unshare_screen(clicked_on_currently_shared_screen || screen.is_none(), cx)
+                });
+                if let Some(screen) = screen {
+                    if !should_unshare_current_screen {
+                        telemetry::event!(
+                            "Screen Share Enabled",
+                            room_id = room.id(),
+                            channel_id = room.channel_id(),
+                        );
                     }
-                })
-            } else {
-                Task::ready(Ok(()))
-            }
-        });
-        toggle_screen_sharing.detach_and_prompt_err("Sharing Screen Failed", window, cx, |e, _, _| Some(format!("{:?}\n\nPlease check that you have given Zed permissions to record your screen in Settings.", e)));
-    }
+                    cx.spawn(async move |room, cx| {
+                        unshared_current_screen.transpose()?;
+                        if !clicked_on_currently_shared_screen {
+                            room.update(cx, |room, cx| room.share_screen(screen, cx))?
+                                .await
+                        } else {
+                            Ok(())
+                        }
+                    })
+                } else {
+                    Task::ready(Ok(()))
+                }
+            })
+        }
+        Err(e) => Task::ready(Err(e)),
+    };
+    toggle_screen_sharing.detach_and_prompt_err("Sharing Screen Failed", window, cx, |e, _, _| Some(format!("{:?}\n\nPlease check that you have given Zed permissions to record your screen in Settings.", e)));
 }
 
 fn toggle_mute(_: &ToggleMute, cx: &mut App) {
@@ -149,7 +155,7 @@ impl TitleBar {
             .gap_1()
             .overflow_x_scroll()
             .when_some(
-                current_user.clone().zip(client.peer_id()).zip(room.clone()),
+                current_user.zip(client.peer_id()).zip(room),
                 |this, ((current_user, peer_id), room)| {
                     let player_colors = cx.theme().players();
                     let room = room.read(cx);
@@ -183,7 +189,7 @@ impl TitleBar {
                             .as_ref()?
                             .read(cx)
                             .is_being_followed(collaborator.peer_id);
-                        let is_present = project_id.map_or(false, |project_id| {
+                        let is_present = project_id.is_some_and(|project_id| {
                             collaborator.location
                                 == ParticipantLocation::SharedProject { project_id }
                         });
@@ -483,9 +489,8 @@ impl TitleBar {
                             let screen = if should_share {
                                 cx.update(|_, cx| pick_default_screen(cx))?.await
                             } else {
-                                None
+                                Ok(None)
                             };
-
                             cx.update(|window, cx| toggle_screen_sharing(screen, window, cx))?;
 
                             Result::<_, anyhow::Error>::Ok(())
@@ -518,7 +523,7 @@ impl TitleBar {
                             .mx_neg_0p5()
                             .h_full()
                             .justify_center()
-                            .child(Icon::new(IconName::ChevronDownSmall).size(IconSize::XSmall)),
+                            .child(Icon::new(IconName::ChevronDown).size(IconSize::XSmall)),
                     )
                     .toggle_state(self.screen_share_popover_handle.is_deployed()),
             )
@@ -571,7 +576,7 @@ impl TitleBar {
                                     selectable: true,
                                     documentation_aside: None,
                                     handler: Rc::new(move |_, window, cx| {
-                                        toggle_screen_sharing(Some(screen.clone()), window, cx);
+                                        toggle_screen_sharing(Ok(Some(screen.clone())), window, cx);
                                     }),
                                 });
                             }
@@ -585,18 +590,18 @@ impl TitleBar {
 }
 
 /// Picks the screen to share when clicking on the main screen sharing button.
-fn pick_default_screen(cx: &App) -> Task<Option<Rc<dyn ScreenCaptureSource>>> {
+fn pick_default_screen(cx: &App) -> Task<anyhow::Result<Option<Rc<dyn ScreenCaptureSource>>>> {
     let source = cx.screen_capture_sources();
     cx.spawn(async move |_| {
-        let available_sources = maybe!(async move { source.await? }).await.ok()?;
-        available_sources
+        let available_sources = source.await??;
+        Ok(available_sources
             .iter()
             .find(|it| {
                 it.as_ref()
                     .metadata()
                     .is_ok_and(|meta| meta.is_main.unwrap_or_default())
             })
-            .or_else(|| available_sources.iter().next())
-            .cloned()
+            .or_else(|| available_sources.first())
+            .cloned())
     })
 }
diff --git a/crates/title_bar/src/onboarding_banner.rs b/crates/title_bar/src/onboarding_banner.rs
index e7cf0cd2d9..ed43c5277a 100644
--- a/crates/title_bar/src/onboarding_banner.rs
+++ b/crates/title_bar/src/onboarding_banner.rs
@@ -73,7 +73,7 @@ fn get_dismissed(source: &str) -> bool {
     db::kvp::KEY_VALUE_STORE
         .read_kvp(&dismissed_at)
         .log_err()
-        .map_or(false, |dismissed| dismissed.is_some())
+        .is_some_and(|dismissed| dismissed.is_some())
 }
 
 fn persist_dismissed(source: &str, cx: &mut App) {
diff --git a/crates/title_bar/src/platform_title_bar.rs b/crates/title_bar/src/platform_title_bar.rs
index 30b1b4c3f8..ef6ef93eed 100644
--- a/crates/title_bar/src/platform_title_bar.rs
+++ b/crates/title_bar/src/platform_title_bar.rs
@@ -106,14 +106,14 @@ impl Render for PlatformTitleBar {
                     // Note: On Windows the title bar behavior is handled by the platform implementation.
                     .when(self.platform_style == PlatformStyle::Mac, |this| {
                         this.on_click(|event, window, _| {
-                            if event.up.click_count == 2 {
+                            if event.click_count() == 2 {
                                 window.titlebar_double_click();
                             }
                         })
                     })
                     .when(self.platform_style == PlatformStyle::Linux, |this| {
                         this.on_click(|event, window, _| {
-                            if event.up.click_count == 2 {
+                            if event.click_count() == 2 {
                                 window.zoom_window();
                             }
                         })
diff --git a/crates/title_bar/src/title_bar.rs b/crates/title_bar/src/title_bar.rs
index 552ef915cb..b84a2800b6 100644
--- a/crates/title_bar/src/title_bar.rs
+++ b/crates/title_bar/src/title_bar.rs
@@ -20,7 +20,7 @@ use crate::application_menu::{
 
 use auto_update::AutoUpdateStatus;
 use call::ActiveCall;
-use client::{Client, CloudUserStore, UserStore, zed_urls};
+use client::{Client, UserStore, zed_urls};
 use cloud_llm_client::Plan;
 use gpui::{
     Action, AnyElement, App, Context, Corner, Element, Entity, Focusable, InteractiveElement,
@@ -126,7 +126,6 @@ pub struct TitleBar {
     platform_titlebar: Entity<PlatformTitleBar>,
     project: Entity<Project>,
     user_store: Entity<UserStore>,
-    cloud_user_store: Entity<CloudUserStore>,
     client: Arc<Client>,
     workspace: WeakEntity<Workspace>,
     application_menu: Option<Entity<ApplicationMenu>>,
@@ -180,11 +179,9 @@ impl Render for TitleBar {
             children.push(self.banner.clone().into_any_element())
         }
 
-        let is_authenticated = self.cloud_user_store.read(cx).is_authenticated();
         let status = self.client.status();
         let status = &*status.borrow();
-
-        let show_sign_in = !is_authenticated || !matches!(status, client::Status::Connected { .. });
+        let user = self.user_store.read(cx).current_user();
 
         children.push(
             h_flex()
@@ -194,10 +191,10 @@ impl Render for TitleBar {
                 .children(self.render_call_controls(window, cx))
                 .children(self.render_connection_status(status, cx))
                 .when(
-                    show_sign_in && TitleBarSettings::get_global(cx).show_sign_in,
+                    user.is_none() && TitleBarSettings::get_global(cx).show_sign_in,
                     |el| el.child(self.render_sign_in_button(cx)),
                 )
-                .when(is_authenticated, |parent| {
+                .when(user.is_some(), |parent| {
                     parent.child(self.render_user_menu_button(cx))
                 })
                 .into_any_element(),
@@ -248,7 +245,6 @@ impl TitleBar {
     ) -> Self {
         let project = workspace.project().clone();
         let user_store = workspace.app_state().user_store.clone();
-        let cloud_user_store = workspace.app_state().cloud_user_store.clone();
         let client = workspace.app_state().client.clone();
         let active_call = ActiveCall::global(cx);
 
@@ -296,7 +292,6 @@ impl TitleBar {
             workspace: workspace.weak_handle(),
             project,
             user_store,
-            cloud_user_store,
             client,
             _subscriptions: subscriptions,
             banner,
@@ -310,7 +305,6 @@ impl TitleBar {
 
         let nickname = options
             .nickname
-            .clone()
             .map(|nick| nick.into())
             .unwrap_or_else(|| host.clone());
 
@@ -349,18 +343,14 @@ impl TitleBar {
                         .child(
                             IconWithIndicator::new(
                                 Icon::new(IconName::Server)
-                                    .size(IconSize::XSmall)
+                                    .size(IconSize::Small)
                                     .color(icon_color),
                                 Some(Indicator::dot().color(indicator_color)),
                             )
                             .indicator_border_color(Some(cx.theme().colors().title_bar_background))
                             .into_any_element(),
                         )
-                        .child(
-                            Label::new(nickname.clone())
-                                .size(LabelSize::Small)
-                                .truncate(),
-                        ),
+                        .child(Label::new(nickname).size(LabelSize::Small).truncate()),
                 )
                 .tooltip(move |window, cx| {
                     Tooltip::with_meta(
@@ -483,7 +473,7 @@ impl TitleBar {
             repo.branch
                 .as_ref()
                 .map(|branch| branch.name())
-                .map(|name| util::truncate_and_trailoff(&name, MAX_BRANCH_NAME_LENGTH))
+                .map(|name| util::truncate_and_trailoff(name, MAX_BRANCH_NAME_LENGTH))
                 .or_else(|| {
                     repo.head_commit.as_ref().map(|commit| {
                         commit
@@ -573,8 +563,8 @@ impl TitleBar {
         match status {
             client::Status::ConnectionError
             | client::Status::ConnectionLost
-            | client::Status::Reauthenticating { .. }
-            | client::Status::Reconnecting { .. }
+            | client::Status::Reauthenticating
+            | client::Status::Reconnecting
             | client::Status::ReconnectionError { .. } => Some(
                 div()
                     .id("disconnected")
@@ -598,11 +588,11 @@ impl TitleBar {
                     Button::new("connection-status", label)
                         .label_size(LabelSize::Small)
                         .on_click(|_, window, cx| {
-                            if let Some(auto_updater) = auto_update::AutoUpdater::get(cx) {
-                                if auto_updater.read(cx).status().is_updated() {
-                                    workspace::reload(&Default::default(), cx);
-                                    return;
-                                }
+                            if let Some(auto_updater) = auto_update::AutoUpdater::get(cx)
+                                && auto_updater.read(cx).status().is_updated()
+                            {
+                                workspace::reload(cx);
+                                return;
                             }
                             auto_update::check(&Default::default(), window, cx);
                         })
@@ -622,9 +612,8 @@ impl TitleBar {
                 window
                     .spawn(cx, async move |cx| {
                         client
-                            .authenticate_and_connect(true, &cx)
+                            .sign_in_with_optional_connect(true, cx)
                             .await
-                            .into_response()
                             .notify_async_err(cx);
                     })
                     .detach();
@@ -632,15 +621,15 @@ impl TitleBar {
     }
 
     pub fn render_user_menu_button(&mut self, cx: &mut Context<Self>) -> impl Element {
-        let cloud_user_store = self.cloud_user_store.read(cx);
-        if let Some(user) = cloud_user_store.authenticated_user() {
-            let has_subscription_period = cloud_user_store.subscription_period().is_some();
-            let plan = cloud_user_store.plan().filter(|_| {
+        let user_store = self.user_store.read(cx);
+        if let Some(user) = user_store.current_user() {
+            let has_subscription_period = user_store.subscription_period().is_some();
+            let plan = user_store.plan().filter(|_| {
                 // Since the user might be on the legacy free plan we filter based on whether we have a subscription period.
                 has_subscription_period
             });
 
-            let user_avatar = user.avatar_url.clone();
+            let user_avatar = user.avatar_uri.clone();
             let free_chip_bg = cx
                 .theme()
                 .colors()
@@ -688,6 +677,10 @@ impl TitleBar {
                         )
                         .separator()
                         .action("Settings", zed_actions::OpenSettings.boxed_clone())
+                        .action(
+                            "Settings Profiles",
+                            zed_actions::settings_profile_selector::Toggle.boxed_clone(),
+                        )
                         .action("Key Bindings", Box::new(keybindings::OpenKeymapEditor))
                         .action(
                             "Themes…",
@@ -732,6 +725,10 @@ impl TitleBar {
                 .menu(|window, cx| {
                     ContextMenu::build(window, cx, |menu, _, _| {
                         menu.action("Settings", zed_actions::OpenSettings.boxed_clone())
+                            .action(
+                                "Settings Profiles",
+                                zed_actions::settings_profile_selector::Toggle.boxed_clone(),
+                            )
                             .action("Key Bindings", Box::new(keybindings::OpenKeymapEditor))
                             .action(
                                 "Themes…",
diff --git a/crates/toolchain_selector/src/active_toolchain.rs b/crates/toolchain_selector/src/active_toolchain.rs
index 631f66a83c..bf45bffea3 100644
--- a/crates/toolchain_selector/src/active_toolchain.rs
+++ b/crates/toolchain_selector/src/active_toolchain.rs
@@ -8,6 +8,7 @@ use gpui::{
 use language::{Buffer, BufferEvent, LanguageName, Toolchain};
 use project::{Project, ProjectPath, WorktreeId, toolchain_store::ToolchainStoreEvent};
 use ui::{Button, ButtonCommon, Clickable, FluentBuilder, LabelSize, SharedString, Tooltip};
+use util::maybe;
 use workspace::{StatusItemView, Workspace, item::ItemHandle};
 
 use crate::ToolchainSelector;
@@ -37,7 +38,6 @@ impl ActiveToolchain {
                         .ok()
                         .flatten();
                     if let Some(editor) = editor {
-                        this.active_toolchain.take();
                         this.update_lister(editor, window, cx);
                     }
                 },
@@ -55,49 +55,61 @@ impl ActiveToolchain {
     }
     fn spawn_tracker_task(window: &mut Window, cx: &mut Context<Self>) -> Task<Option<()>> {
         cx.spawn_in(window, async move |this, cx| {
-            let active_file = this
-                .read_with(cx, |this, _| {
-                    this.active_buffer
-                        .as_ref()
-                        .map(|(_, buffer, _)| buffer.clone())
-                })
-                .ok()
-                .flatten()?;
-            let workspace = this.read_with(cx, |this, _| this.workspace.clone()).ok()?;
-            let language_name = active_file
-                .read_with(cx, |this, _| Some(this.language()?.name()))
-                .ok()
-                .flatten()?;
-            let term = workspace
-                .update(cx, |workspace, cx| {
-                    let languages = workspace.project().read(cx).languages();
-                    Project::toolchain_term(languages.clone(), language_name.clone())
-                })
-                .ok()?
-                .await?;
-            let _ = this.update(cx, |this, cx| {
-                this.term = term;
-                cx.notify();
-            });
-            let (worktree_id, path) = active_file
-                .update(cx, |this, cx| {
-                    this.file().and_then(|file| {
-                        Some((
-                            file.worktree_id(cx),
-                            Arc::<Path>::from(file.path().parent()?),
-                        ))
+            let did_set_toolchain = maybe!(async {
+                let active_file = this
+                    .read_with(cx, |this, _| {
+                        this.active_buffer
+                            .as_ref()
+                            .map(|(_, buffer, _)| buffer.clone())
                     })
+                    .ok()
+                    .flatten()?;
+                let workspace = this.read_with(cx, |this, _| this.workspace.clone()).ok()?;
+                let language_name = active_file
+                    .read_with(cx, |this, _| Some(this.language()?.name()))
+                    .ok()
+                    .flatten()?;
+                let term = workspace
+                    .update(cx, |workspace, cx| {
+                        let languages = workspace.project().read(cx).languages();
+                        Project::toolchain_term(languages.clone(), language_name.clone())
+                    })
+                    .ok()?
+                    .await?;
+                let _ = this.update(cx, |this, cx| {
+                    this.term = term;
+                    cx.notify();
+                });
+                let (worktree_id, path) = active_file
+                    .update(cx, |this, cx| {
+                        this.file().and_then(|file| {
+                            Some((
+                                file.worktree_id(cx),
+                                Arc::<Path>::from(file.path().parent()?),
+                            ))
+                        })
+                    })
+                    .ok()
+                    .flatten()?;
+                let toolchain =
+                    Self::active_toolchain(workspace, worktree_id, path, language_name, cx).await?;
+                this.update(cx, |this, cx| {
+                    this.active_toolchain = Some(toolchain);
+
+                    cx.notify();
                 })
                 .ok()
-                .flatten()?;
-            let toolchain =
-                Self::active_toolchain(workspace, worktree_id, path, language_name, cx).await?;
-            let _ = this.update(cx, |this, cx| {
-                this.active_toolchain = Some(toolchain);
-
-                cx.notify();
-            });
-            Some(())
+            })
+            .await
+            .is_some();
+            if !did_set_toolchain {
+                this.update(cx, |this, cx| {
+                    this.active_toolchain = None;
+                    cx.notify();
+                })
+                .ok();
+            }
+            did_set_toolchain.then_some(())
         })
     }
 
@@ -108,20 +120,20 @@ impl ActiveToolchain {
         cx: &mut Context<Self>,
     ) {
         let editor = editor.read(cx);
-        if let Some((_, buffer, _)) = editor.active_excerpt(cx) {
-            if let Some(worktree_id) = buffer.read(cx).file().map(|file| file.worktree_id(cx)) {
-                let subscription = cx.subscribe_in(
-                    &buffer,
-                    window,
-                    |this, _, event: &BufferEvent, window, cx| {
-                        if matches!(event, BufferEvent::LanguageChanged) {
-                            this._update_toolchain_task = Self::spawn_tracker_task(window, cx);
-                        }
-                    },
-                );
-                self.active_buffer = Some((worktree_id, buffer.downgrade(), subscription));
-                self._update_toolchain_task = Self::spawn_tracker_task(window, cx);
-            }
+        if let Some((_, buffer, _)) = editor.active_excerpt(cx)
+            && let Some(worktree_id) = buffer.read(cx).file().map(|file| file.worktree_id(cx))
+        {
+            let subscription = cx.subscribe_in(
+                &buffer,
+                window,
+                |this, _, event: &BufferEvent, window, cx| {
+                    if matches!(event, BufferEvent::LanguageChanged) {
+                        this._update_toolchain_task = Self::spawn_tracker_task(window, cx);
+                    }
+                },
+            );
+            self.active_buffer = Some((worktree_id, buffer.downgrade(), subscription));
+            self._update_toolchain_task = Self::spawn_tracker_task(window, cx);
         }
 
         cx.notify();
@@ -231,7 +243,6 @@ impl StatusItemView for ActiveToolchain {
         cx: &mut Context<Self>,
     ) {
         if let Some(editor) = active_pane_item.and_then(|item| item.downcast::<Editor>()) {
-            self.active_toolchain.take();
             self.update_lister(editor, window, cx);
         }
         cx.notify();
diff --git a/crates/toolchain_selector/src/toolchain_selector.rs b/crates/toolchain_selector/src/toolchain_selector.rs
index 21d95a66de..feeca8cf52 100644
--- a/crates/toolchain_selector/src/toolchain_selector.rs
+++ b/crates/toolchain_selector/src/toolchain_selector.rs
@@ -167,7 +167,6 @@ impl ToolchainSelectorDelegate {
         cx: &mut Context<Picker<Self>>,
     ) -> Self {
         let _fetch_candidates_task = cx.spawn_in(window, {
-            let project = project.clone();
             async move |this, cx| {
                 let term = project
                     .read_with(cx, |this, _| {
@@ -211,16 +210,15 @@ impl ToolchainSelectorDelegate {
                 let _ = this.update_in(cx, move |this, window, cx| {
                     this.delegate.candidates = available_toolchains;
 
-                    if let Some(active_toolchain) = active_toolchain {
-                        if let Some(position) = this
+                    if let Some(active_toolchain) = active_toolchain
+                        && let Some(position) = this
                             .delegate
                             .candidates
                             .toolchains
                             .iter()
                             .position(|toolchain| *toolchain == active_toolchain)
-                        {
-                            this.delegate.set_selected_index(position, window, cx);
-                        }
+                    {
+                        this.delegate.set_selected_index(position, window, cx);
                     }
                     this.update_matches(this.query(cx), window, cx);
                 });
diff --git a/crates/ui/src/components.rs b/crates/ui/src/components.rs
index 07ea331ef5..486673e733 100644
--- a/crates/ui/src/components.rs
+++ b/crates/ui/src/components.rs
@@ -1,4 +1,5 @@
 mod avatar;
+mod badge;
 mod banner;
 mod button;
 mod callout;
@@ -34,7 +35,6 @@ mod stack;
 mod sticky_items;
 mod tab;
 mod tab_bar;
-mod theme_preview;
 mod toggle;
 mod tooltip;
 
@@ -42,6 +42,7 @@ mod tooltip;
 mod stories;
 
 pub use avatar::*;
+pub use badge::*;
 pub use banner::*;
 pub use button::*;
 pub use callout::*;
@@ -77,7 +78,6 @@ pub use stack::*;
 pub use sticky_items::*;
 pub use tab::*;
 pub use tab_bar::*;
-pub use theme_preview::*;
 pub use toggle::*;
 pub use tooltip::*;
 
diff --git a/crates/ui/src/components/badge.rs b/crates/ui/src/components/badge.rs
new file mode 100644
index 0000000000..f36e03291c
--- /dev/null
+++ b/crates/ui/src/components/badge.rs
@@ -0,0 +1,94 @@
+use std::rc::Rc;
+
+use crate::Divider;
+use crate::DividerColor;
+use crate::Tooltip;
+use crate::component_prelude::*;
+use crate::prelude::*;
+use gpui::AnyView;
+use gpui::{AnyElement, IntoElement, SharedString, Window};
+
+#[derive(IntoElement, RegisterComponent)]
+pub struct Badge {
+    label: SharedString,
+    icon: IconName,
+    tooltip: Option<Rc<dyn Fn(&mut Window, &mut App) -> AnyView>>,
+}
+
+impl Badge {
+    pub fn new(label: impl Into<SharedString>) -> Self {
+        Self {
+            label: label.into(),
+            icon: IconName::Check,
+            tooltip: None,
+        }
+    }
+
+    pub fn icon(mut self, icon: IconName) -> Self {
+        self.icon = icon;
+        self
+    }
+
+    pub fn tooltip(mut self, tooltip: impl Fn(&mut Window, &mut App) -> AnyView + 'static) -> Self {
+        self.tooltip = Some(Rc::new(tooltip));
+        self
+    }
+}
+
+impl RenderOnce for Badge {
+    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
+        let tooltip = self.tooltip;
+
+        h_flex()
+            .id(self.label.clone())
+            .h_full()
+            .gap_1()
+            .pl_1()
+            .pr_2()
+            .border_1()
+            .border_color(cx.theme().colors().border.opacity(0.6))
+            .bg(cx.theme().colors().element_background)
+            .rounded_sm()
+            .overflow_hidden()
+            .child(
+                Icon::new(self.icon)
+                    .size(IconSize::XSmall)
+                    .color(Color::Muted),
+            )
+            .child(Divider::vertical().color(DividerColor::Border))
+            .child(Label::new(self.label.clone()).size(LabelSize::Small).ml_1())
+            .when_some(tooltip, |this, tooltip| {
+                this.tooltip(move |window, cx| tooltip(window, cx))
+            })
+    }
+}
+
+impl Component for Badge {
+    fn scope() -> ComponentScope {
+        ComponentScope::DataDisplay
+    }
+
+    fn description() -> Option<&'static str> {
+        Some(
+            "A compact, labeled component with optional icon for displaying status, categories, or metadata.",
+        )
+    }
+
+    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
+        Some(
+            v_flex()
+                .gap_6()
+                .child(single_example(
+                    "Basic Badge",
+                    Badge::new("Default").into_any_element(),
+                ))
+                .child(single_example(
+                    "With Tooltip",
+                    Badge::new("Tooltip")
+                        .tooltip(Tooltip::text("This is a tooltip."))
+                        .into_any_element(),
+                ))
+                .into_any_element(),
+        )
+    }
+}
diff --git a/crates/ui/src/components/banner.rs b/crates/ui/src/components/banner.rs
index b16ca795b4..7458ad8eb0 100644
--- a/crates/ui/src/components/banner.rs
+++ b/crates/ui/src/components/banner.rs
@@ -1,15 +1,6 @@
 use crate::prelude::*;
 use gpui::{AnyElement, IntoElement, ParentElement, Styled};
 
-/// Severity levels that determine the style of the banner.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum Severity {
-    Info,
-    Success,
-    Warning,
-    Error,
-}
-
 /// Banners provide informative and brief messages without interrupting the user.
 /// This component offers four severity levels that can be used depending on the message.
 ///
@@ -24,7 +15,7 @@ pub enum Severity {
 ///     .action_slot(
 ///         Button::new("learn-more", "Learn More")
 ///             .icon(IconName::ArrowUpRight)
-///             .icon_size(IconSize::XSmall)
+///             .icon_size(IconSize::Small)
 ///             .icon_position(IconPosition::End),
 ///     )
 /// ```
@@ -131,7 +122,7 @@ impl RenderOnce for Banner {
 
 impl Component for Banner {
     fn scope() -> ComponentScope {
-        ComponentScope::Notification
+        ComponentScope::DataDisplay
     }
 
     fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
@@ -150,7 +141,7 @@ impl Component for Banner {
                     .action_slot(
                         Button::new("learn-more", "Learn More")
                             .icon(IconName::ArrowUpRight)
-                            .icon_size(IconSize::XSmall)
+                            .icon_size(IconSize::Small)
                             .icon_position(IconPosition::End),
                     )
                     .into_any_element(),
diff --git a/crates/ui/src/components/button/button.rs b/crates/ui/src/components/button/button.rs
index cae5d0e2ca..cee39ac23b 100644
--- a/crates/ui/src/components/button/button.rs
+++ b/crates/ui/src/components/button/button.rs
@@ -324,7 +324,7 @@ impl FixedWidth for Button {
     /// ```
     ///
     /// This sets the button's width to be exactly 100 pixels.
-    fn width(mut self, width: DefiniteLength) -> Self {
+    fn width(mut self, width: impl Into<DefiniteLength>) -> Self {
         self.base = self.base.width(width);
         self
     }
@@ -393,6 +393,11 @@ impl ButtonCommon for Button {
         self
     }
 
+    fn tab_index(mut self, tab_index: impl Into<isize>) -> Self {
+        self.base = self.base.tab_index(tab_index);
+        self
+    }
+
     fn layer(mut self, elevation: ElevationIndex) -> Self {
         self.base = self.base.layer(elevation);
         self
diff --git a/crates/ui/src/components/button/button_like.rs b/crates/ui/src/components/button/button_like.rs
index 135ecdfe62..477fc57b22 100644
--- a/crates/ui/src/components/button/button_like.rs
+++ b/crates/ui/src/components/button/button_like.rs
@@ -1,7 +1,8 @@
 use documented::Documented;
 use gpui::{
     AnyElement, AnyView, ClickEvent, CursorStyle, DefiniteLength, Hsla, MouseButton,
-    MouseDownEvent, MouseUpEvent, Rems, relative, transparent_black,
+    MouseClickEvent, MouseDownEvent, MouseUpEvent, Rems, StyleRefinement, relative,
+    transparent_black,
 };
 use smallvec::SmallVec;
 
@@ -37,6 +38,8 @@ pub trait ButtonCommon: Clickable + Disableable {
     /// exceptions might a scroll bar, or a slider.
     fn tooltip(self, tooltip: impl Fn(&mut Window, &mut App) -> AnyView + 'static) -> Self;
 
+    fn tab_index(self, tab_index: impl Into<isize>) -> Self;
+
     fn layer(self, elevation: ElevationIndex) -> Self;
 }
 
@@ -358,6 +361,7 @@ impl ButtonStyle {
 #[derive(Default, PartialEq, Clone, Copy)]
 pub enum ButtonSize {
     Large,
+    Medium,
     #[default]
     Default,
     Compact,
@@ -368,6 +372,7 @@ impl ButtonSize {
     pub fn rems(self) -> Rems {
         match self {
             ButtonSize::Large => rems_from_px(32.),
+            ButtonSize::Medium => rems_from_px(28.),
             ButtonSize::Default => rems_from_px(22.),
             ButtonSize::Compact => rems_from_px(18.),
             ButtonSize::None => rems_from_px(16.),
@@ -391,9 +396,11 @@ pub struct ButtonLike {
     pub(super) width: Option<DefiniteLength>,
     pub(super) height: Option<DefiniteLength>,
     pub(super) layer: Option<ElevationIndex>,
+    tab_index: Option<isize>,
     size: ButtonSize,
     rounding: Option<ButtonLikeRounding>,
     tooltip: Option<Box<dyn Fn(&mut Window, &mut App) -> AnyView>>,
+    hoverable_tooltip: Option<Box<dyn Fn(&mut Window, &mut App) -> AnyView>>,
     cursor_style: CursorStyle,
     on_click: Option<Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>>,
     on_right_click: Option<Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>>,
@@ -414,11 +421,13 @@ impl ButtonLike {
             size: ButtonSize::Default,
             rounding: Some(ButtonLikeRounding::All),
             tooltip: None,
+            hoverable_tooltip: None,
             children: SmallVec::new(),
             cursor_style: CursorStyle::PointingHand,
             on_click: None,
             on_right_click: None,
             layer: None,
+            tab_index: None,
         }
     }
 
@@ -456,6 +465,14 @@ impl ButtonLike {
         self.on_right_click = Some(Box::new(handler));
         self
     }
+
+    pub fn hoverable_tooltip(
+        mut self,
+        tooltip: impl Fn(&mut Window, &mut App) -> AnyView + 'static,
+    ) -> Self {
+        self.hoverable_tooltip = Some(Box::new(tooltip));
+        self
+    }
 }
 
 impl Disableable for ButtonLike {
@@ -492,8 +509,8 @@ impl Clickable for ButtonLike {
 }
 
 impl FixedWidth for ButtonLike {
-    fn width(mut self, width: DefiniteLength) -> Self {
-        self.width = Some(width);
+    fn width(mut self, width: impl Into<DefiniteLength>) -> Self {
+        self.width = Some(width.into());
         self
     }
 
@@ -523,6 +540,11 @@ impl ButtonCommon for ButtonLike {
         self
     }
 
+    fn tab_index(mut self, tab_index: impl Into<isize>) -> Self {
+        self.tab_index = Some(tab_index.into());
+        self
+    }
+
     fn layer(mut self, elevation: ElevationIndex) -> Self {
         self.layer = Some(elevation);
         self
@@ -552,6 +574,7 @@ impl RenderOnce for ButtonLike {
         self.base
             .h_flex()
             .id(self.id.clone())
+            .when_some(self.tab_index, |this, tab_index| this.tab_index(tab_index))
             .font_ui(cx)
             .group("")
             .flex_none()
@@ -559,13 +582,9 @@ impl RenderOnce for ButtonLike {
             .when_some(self.width, |this, width| {
                 this.w(width).justify_center().text_center()
             })
-            .when(
-                match self.style {
-                    ButtonStyle::Outlined => true,
-                    _ => false,
-                },
-                |this| this.border_1(),
-            )
+            .when(matches!(self.style, ButtonStyle::Outlined), |this| {
+                this.border_1()
+            })
             .when_some(self.rounding, |this, rounding| match rounding {
                 ButtonLikeRounding::All => this.rounded_sm(),
                 ButtonLikeRounding::Left => this.rounded_l_sm(),
@@ -573,7 +592,7 @@ impl RenderOnce for ButtonLike {
             })
             .gap(DynamicSpacing::Base04.rems(cx))
             .map(|this| match self.size {
-                ButtonSize::Large => this.px(DynamicSpacing::Base06.rems(cx)),
+                ButtonSize::Large | ButtonSize::Medium => this.px(DynamicSpacing::Base06.rems(cx)),
                 ButtonSize::Default | ButtonSize::Compact => {
                     this.px(DynamicSpacing::Base04.rems(cx))
                 }
@@ -589,8 +608,12 @@ impl RenderOnce for ButtonLike {
                 }
             })
             .when(!self.disabled, |this| {
+                let hovered_style = style.hovered(self.layer, cx);
+                let focus_color =
+                    |refinement: StyleRefinement| refinement.bg(hovered_style.background);
                 this.cursor(self.cursor_style)
-                    .hover(|hover| hover.bg(style.hovered(self.layer, cx).background))
+                    .hover(focus_color)
+                    .focus(focus_color)
                     .active(|active| active.bg(style.active(cx).background))
             })
             .when_some(
@@ -604,7 +627,7 @@ impl RenderOnce for ButtonLike {
                         MouseButton::Right,
                         move |event, window, cx| {
                             cx.stop_propagation();
-                            let click_event = ClickEvent {
+                            let click_event = ClickEvent::Mouse(MouseClickEvent {
                                 down: MouseDownEvent {
                                     button: MouseButton::Right,
                                     position: event.position,
@@ -618,7 +641,7 @@ impl RenderOnce for ButtonLike {
                                     modifiers: event.modifiers,
                                     click_count: 1,
                                 },
-                            };
+                            });
                             (on_right_click)(&click_event, window, cx)
                         },
                     )
@@ -637,6 +660,9 @@ impl RenderOnce for ButtonLike {
             .when_some(self.tooltip, |this, tooltip| {
                 this.tooltip(move |window, cx| tooltip(window, cx))
             })
+            .when_some(self.hoverable_tooltip, |this, tooltip| {
+                this.hoverable_tooltip(move |window, cx| tooltip(window, cx))
+            })
             .children(self.children)
     }
 }
diff --git a/crates/ui/src/components/button/icon_button.rs b/crates/ui/src/components/button/icon_button.rs
index e5d13e09cd..74fc4851fe 100644
--- a/crates/ui/src/components/button/icon_button.rs
+++ b/crates/ui/src/components/button/icon_button.rs
@@ -133,7 +133,7 @@ impl Clickable for IconButton {
 }
 
 impl FixedWidth for IconButton {
-    fn width(mut self, width: DefiniteLength) -> Self {
+    fn width(mut self, width: impl Into<DefiniteLength>) -> Self {
         self.base = self.base.width(width);
         self
     }
@@ -164,6 +164,11 @@ impl ButtonCommon for IconButton {
         self
     }
 
+    fn tab_index(mut self, tab_index: impl Into<isize>) -> Self {
+        self.base = self.base.tab_index(tab_index);
+        self
+    }
+
     fn layer(mut self, elevation: ElevationIndex) -> Self {
         self.base = self.base.layer(elevation);
         self
@@ -189,7 +194,7 @@ impl RenderOnce for IconButton {
             .map(|this| match self.shape {
                 IconButtonShape::Square => {
                     let size = self.icon_size.square(window, cx);
-                    this.width(size.into()).height(size.into())
+                    this.width(size).height(size.into())
                 }
                 IconButtonShape::Wide => this,
             })
diff --git a/crates/ui/src/components/button/toggle_button.rs b/crates/ui/src/components/button/toggle_button.rs
index a621585349..2a862f4876 100644
--- a/crates/ui/src/components/button/toggle_button.rs
+++ b/crates/ui/src/components/button/toggle_button.rs
@@ -1,6 +1,8 @@
-use gpui::{AnyView, ClickEvent};
+use std::rc::Rc;
 
-use crate::{ButtonLike, ButtonLikeRounding, ElevationIndex, TintColor, prelude::*};
+use gpui::{AnyView, ClickEvent, relative};
+
+use crate::{ButtonLike, ButtonLikeRounding, ElevationIndex, TintColor, Tooltip, prelude::*};
 
 /// The position of a [`ToggleButton`] within a group of buttons.
 #[derive(Debug, PartialEq, Eq, Clone, Copy)]
@@ -71,8 +73,8 @@ impl SelectableButton for ToggleButton {
 }
 
 impl FixedWidth for ToggleButton {
-    fn width(mut self, width: DefiniteLength) -> Self {
-        self.base.width = Some(width);
+    fn width(mut self, width: impl Into<DefiniteLength>) -> Self {
+        self.base.width = Some(width.into());
         self
     }
 
@@ -121,6 +123,11 @@ impl ButtonCommon for ToggleButton {
         self
     }
 
+    fn tab_index(mut self, tab_index: impl Into<isize>) -> Self {
+        self.base = self.base.tab_index(tab_index);
+        self
+    }
+
     fn layer(mut self, elevation: ElevationIndex) -> Self {
         self.base = self.base.layer(elevation);
         self
@@ -295,6 +302,8 @@ pub struct ButtonConfiguration {
     label: SharedString,
     icon: Option<IconName>,
     on_click: Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>,
+    selected: bool,
+    tooltip: Option<Rc<dyn Fn(&mut Window, &mut App) -> AnyView>>,
 }
 
 mod private {
@@ -308,6 +317,8 @@ pub trait ButtonBuilder: 'static + private::ToggleButtonStyle {
 pub struct ToggleButtonSimple {
     label: SharedString,
     on_click: Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>,
+    selected: bool,
+    tooltip: Option<Rc<dyn Fn(&mut Window, &mut App) -> AnyView>>,
 }
 
 impl ToggleButtonSimple {
@@ -318,8 +329,20 @@ impl ToggleButtonSimple {
         Self {
             label: label.into(),
             on_click: Box::new(on_click),
+            selected: false,
+            tooltip: None,
         }
     }
+
+    pub fn selected(mut self, selected: bool) -> Self {
+        self.selected = selected;
+        self
+    }
+
+    pub fn tooltip(mut self, tooltip: impl Fn(&mut Window, &mut App) -> AnyView + 'static) -> Self {
+        self.tooltip = Some(Rc::new(tooltip));
+        self
+    }
 }
 
 impl private::ToggleButtonStyle for ToggleButtonSimple {}
@@ -330,6 +353,8 @@ impl ButtonBuilder for ToggleButtonSimple {
             label: self.label,
             icon: None,
             on_click: self.on_click,
+            selected: self.selected,
+            tooltip: self.tooltip,
         }
     }
 }
@@ -338,6 +363,8 @@ pub struct ToggleButtonWithIcon {
     label: SharedString,
     icon: IconName,
     on_click: Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>,
+    selected: bool,
+    tooltip: Option<Rc<dyn Fn(&mut Window, &mut App) -> AnyView>>,
 }
 
 impl ToggleButtonWithIcon {
@@ -350,8 +377,20 @@ impl ToggleButtonWithIcon {
             label: label.into(),
             icon,
             on_click: Box::new(on_click),
+            selected: false,
+            tooltip: None,
         }
     }
+
+    pub fn selected(mut self, selected: bool) -> Self {
+        self.selected = selected;
+        self
+    }
+
+    pub fn tooltip(mut self, tooltip: impl Fn(&mut Window, &mut App) -> AnyView + 'static) -> Self {
+        self.tooltip = Some(Rc::new(tooltip));
+        self
+    }
 }
 
 impl private::ToggleButtonStyle for ToggleButtonWithIcon {}
@@ -362,6 +401,8 @@ impl ButtonBuilder for ToggleButtonWithIcon {
             label: self.label,
             icon: Some(self.icon),
             on_click: self.on_click,
+            selected: self.selected,
+            tooltip: self.tooltip,
         }
     }
 }
@@ -373,6 +414,12 @@ pub enum ToggleButtonGroupStyle {
     Outlined,
 }
 
+#[derive(Clone, Copy, PartialEq)]
+pub enum ToggleButtonGroupSize {
+    Default,
+    Medium,
+}
+
 #[derive(IntoElement)]
 pub struct ToggleButtonGroup<T, const COLS: usize = 3, const ROWS: usize = 1>
 where
@@ -381,8 +428,10 @@ where
     group_name: &'static str,
     rows: [[T; COLS]; ROWS],
     style: ToggleButtonGroupStyle,
-    button_width: Rems,
+    size: ToggleButtonGroupSize,
+    group_width: Option<DefiniteLength>,
     selected_index: usize,
+    tab_index: Option<isize>,
 }
 
 impl<T: ButtonBuilder, const COLS: usize> ToggleButtonGroup<T, COLS> {
@@ -391,8 +440,10 @@ impl<T: ButtonBuilder, const COLS: usize> ToggleButtonGroup<T, COLS> {
             group_name,
             rows: [buttons],
             style: ToggleButtonGroupStyle::Transparent,
-            button_width: rems_from_px(100.),
+            size: ToggleButtonGroupSize::Default,
+            group_width: None,
             selected_index: 0,
+            tab_index: None,
         }
     }
 }
@@ -403,8 +454,10 @@ impl<T: ButtonBuilder, const COLS: usize> ToggleButtonGroup<T, COLS, 2> {
             group_name,
             rows: [first_row, second_row],
             style: ToggleButtonGroupStyle::Transparent,
-            button_width: rems_from_px(100.),
+            size: ToggleButtonGroupSize::Default,
+            group_width: None,
             selected_index: 0,
+            tab_index: None,
         }
     }
 }
@@ -415,8 +468,8 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> ToggleButtonGroup<T
         self
     }
 
-    pub fn button_width(mut self, button_width: Rems) -> Self {
-        self.button_width = button_width;
+    pub fn size(mut self, size: ToggleButtonGroupSize) -> Self {
+        self.size = size;
         self
     }
 
@@ -424,59 +477,97 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> ToggleButtonGroup<T
         self.selected_index = index;
         self
     }
+
+    /// Sets the tab index for the toggle button group.
+    /// The tab index is set to the initial value provided, then the
+    /// value is incremented by the number of buttons in the group.
+    pub fn tab_index(mut self, tab_index: &mut isize) -> Self {
+        self.tab_index = Some(*tab_index);
+        *tab_index += (COLS * ROWS) as isize;
+        self
+    }
+
+    const fn button_width() -> DefiniteLength {
+        relative(1. / COLS as f32)
+    }
+}
+
+impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> FixedWidth
+    for ToggleButtonGroup<T, COLS, ROWS>
+{
+    fn width(mut self, width: impl Into<DefiniteLength>) -> Self {
+        self.group_width = Some(width.into());
+        self
+    }
+
+    fn full_width(mut self) -> Self {
+        self.group_width = Some(relative(1.));
+        self
+    }
 }
 
 impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> RenderOnce
     for ToggleButtonGroup<T, COLS, ROWS>
 {
     fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
-        let entries = self.rows.into_iter().enumerate().map(|(row_index, row)| {
-            row.into_iter().enumerate().map(move |(col_index, button)| {
-                let ButtonConfiguration {
-                    label,
-                    icon,
-                    on_click,
-                } = button.into_configuration();
+        let entries =
+            self.rows.into_iter().enumerate().map(|(row_index, row)| {
+                row.into_iter().enumerate().map(move |(col_index, button)| {
+                    let ButtonConfiguration {
+                        label,
+                        icon,
+                        on_click,
+                        selected,
+                        tooltip,
+                    } = button.into_configuration();
 
-                let entry_index = row_index * COLS + col_index;
+                    let entry_index = row_index * COLS + col_index;
 
-                ButtonLike::new((self.group_name, entry_index))
-                    .when(entry_index == self.selected_index, |this| {
-                        this.toggle_state(true)
-                            .selected_style(ButtonStyle::Tinted(TintColor::Accent))
-                    })
-                    .rounding(None)
-                    .when(self.style == ToggleButtonGroupStyle::Filled, |button| {
-                        button.style(ButtonStyle::Filled)
-                    })
-                    .child(
-                        h_flex()
-                            .min_w(self.button_width)
-                            .gap_1p5()
-                            .px_3()
-                            .py_1()
-                            .justify_center()
-                            .when_some(icon, |this, icon| {
-                                this.child(Icon::new(icon).size(IconSize::XSmall).map(|this| {
-                                    if entry_index == self.selected_index {
-                                        this.color(Color::Accent)
-                                    } else {
-                                        this.color(Color::Muted)
-                                    }
-                                }))
-                            })
-                            .child(
-                                Label::new(label)
-                                    .size(LabelSize::Small)
-                                    .when(entry_index == self.selected_index, |this| {
-                                        this.color(Color::Accent)
-                                    }),
-                            ),
-                    )
-                    .on_click(on_click)
-                    .into_any_element()
-            })
-        });
+                    ButtonLike::new((self.group_name, entry_index))
+                        .full_width()
+                        .rounding(None)
+                        .when_some(self.tab_index, |this, tab_index| {
+                            this.tab_index(tab_index + entry_index as isize)
+                        })
+                        .when(entry_index == self.selected_index || selected, |this| {
+                            this.toggle_state(true)
+                                .selected_style(ButtonStyle::Tinted(TintColor::Accent))
+                        })
+                        .when(self.style == ToggleButtonGroupStyle::Filled, |button| {
+                            button.style(ButtonStyle::Filled)
+                        })
+                        .when(self.size == ToggleButtonGroupSize::Medium, |button| {
+                            button.size(ButtonSize::Medium)
+                        })
+                        .child(
+                            h_flex()
+                                .w_full()
+                                .gap_1p5()
+                                .px_3()
+                                .py_1()
+                                .justify_center()
+                                .when_some(icon, |this, icon| {
+                                    this.py_2()
+                                        .child(Icon::new(icon).size(IconSize::XSmall).map(|this| {
+                                            if entry_index == self.selected_index || selected {
+                                                this.color(Color::Accent)
+                                            } else {
+                                                this.color(Color::Muted)
+                                            }
+                                        }))
+                                })
+                                .child(Label::new(label).size(LabelSize::Small).when(
+                                    entry_index == self.selected_index || selected,
+                                    |this| this.color(Color::Accent),
+                                )),
+                        )
+                        .when_some(tooltip, |this, tooltip| {
+                            this.tooltip(move |window, cx| tooltip(window, cx))
+                        })
+                        .on_click(on_click)
+                        .into_any_element()
+                })
+            });
 
         let border_color = cx.theme().colors().border.opacity(0.6);
         let is_outlined_or_filled = self.style == ToggleButtonGroupStyle::Outlined
@@ -484,6 +575,13 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> RenderOnce
         let is_transparent = self.style == ToggleButtonGroupStyle::Transparent;
 
         v_flex()
+            .map(|this| {
+                if let Some(width) = self.group_width {
+                    this.w(width)
+                } else {
+                    this.w_full()
+                }
+            })
             .rounded_md()
             .overflow_hidden()
             .map(|this| {
@@ -506,6 +604,8 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> RenderOnce
                             .when(is_outlined_or_filled && !last_item, |this| {
                                 this.border_r_1().border_color(border_color)
                             })
+                            .w(Self::button_width())
+                            .overflow_hidden()
                             .child(item)
                     }))
             }))
@@ -553,7 +653,6 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> Component
                                 ],
                             )
                             .selected_index(1)
-                            .button_width(rems_from_px(100.))
                             .into_any_element(),
                         ),
                         single_example(
@@ -579,7 +678,6 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> Component
                                 ],
                             )
                             .selected_index(1)
-                            .button_width(rems_from_px(100.))
                             .into_any_element(),
                         ),
                         single_example(
@@ -598,7 +696,6 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> Component
                                 ],
                             )
                             .selected_index(3)
-                            .button_width(rems_from_px(100.))
                             .into_any_element(),
                         ),
                         single_example(
@@ -641,7 +738,6 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> Component
                                 ],
                             )
                             .selected_index(3)
-                            .button_width(rems_from_px(100.))
                             .into_any_element(),
                         ),
                     ],
@@ -686,7 +782,6 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> Component
                                 ],
                             )
                             .selected_index(1)
-                            .button_width(rems_from_px(100.))
                             .style(ToggleButtonGroupStyle::Outlined)
                             .into_any_element(),
                         ),
@@ -706,7 +801,6 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> Component
                                 ],
                             )
                             .selected_index(3)
-                            .button_width(rems_from_px(100.))
                             .style(ToggleButtonGroupStyle::Outlined)
                             .into_any_element(),
                         ),
@@ -750,7 +844,6 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> Component
                                 ],
                             )
                             .selected_index(3)
-                            .button_width(rems_from_px(100.))
                             .style(ToggleButtonGroupStyle::Outlined)
                             .into_any_element(),
                         ),
@@ -796,7 +889,6 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> Component
                                 ],
                             )
                             .selected_index(1)
-                            .button_width(rems_from_px(100.))
                             .style(ToggleButtonGroupStyle::Filled)
                             .into_any_element(),
                         ),
@@ -816,7 +908,7 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> Component
                                 ],
                             )
                             .selected_index(3)
-                            .button_width(rems_from_px(100.))
+                            .width(rems_from_px(100.))
                             .style(ToggleButtonGroupStyle::Filled)
                             .into_any_element(),
                         ),
@@ -860,12 +952,28 @@ impl<T: ButtonBuilder, const COLS: usize, const ROWS: usize> Component
                                 ],
                             )
                             .selected_index(3)
-                            .button_width(rems_from_px(100.))
+                            .width(rems_from_px(100.))
                             .style(ToggleButtonGroupStyle::Filled)
                             .into_any_element(),
                         ),
                     ],
                 )])
+                .children(vec![single_example(
+                    "With Tooltips",
+                    ToggleButtonGroup::single_row(
+                        "with_tooltips",
+                        [
+                            ToggleButtonSimple::new("First", |_, _, _| {})
+                                .tooltip(Tooltip::text("This is a tooltip. Hello!")),
+                            ToggleButtonSimple::new("Second", |_, _, _| {})
+                                .tooltip(Tooltip::text("This is a tooltip. Hey?")),
+                            ToggleButtonSimple::new("Third", |_, _, _| {})
+                                .tooltip(Tooltip::text("This is a tooltip. Get out of here now!")),
+                        ],
+                    )
+                    .selected_index(1)
+                    .into_any_element(),
+                )])
                 .into_any_element(),
         )
     }
diff --git a/crates/ui/src/components/callout.rs b/crates/ui/src/components/callout.rs
index d15fa122ed..b1ead18ee7 100644
--- a/crates/ui/src/components/callout.rs
+++ b/crates/ui/src/components/callout.rs
@@ -1,7 +1,13 @@
-use gpui::{AnyElement, Hsla};
+use gpui::AnyElement;
 
 use crate::prelude::*;
 
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum BorderPosition {
+    Top,
+    Bottom,
+}
+
 /// A callout component for displaying important information that requires user attention.
 ///
 /// # Usage Example
@@ -10,42 +16,48 @@ use crate::prelude::*;
 /// use ui::{Callout};
 ///
 /// Callout::new()
-///     .icon(Icon::new(IconName::Warning).color(Color::Warning))
+///     .severity(Severity::Warning)
+///     .icon(IconName::Warning)
 ///     .title(Label::new("Be aware of your subscription!"))
 ///     .description(Label::new("Your subscription is about to expire. Renew now!"))
-///     .primary_action(Button::new("renew", "Renew Now"))
-///     .secondary_action(Button::new("remind", "Remind Me Later"))
+///     .actions_slot(Button::new("renew", "Renew Now"))
 /// ```
 ///
 #[derive(IntoElement, RegisterComponent)]
 pub struct Callout {
-    icon: Option<Icon>,
+    severity: Severity,
+    icon: Option<IconName>,
     title: Option<SharedString>,
     description: Option<SharedString>,
-    primary_action: Option<AnyElement>,
-    secondary_action: Option<AnyElement>,
-    tertiary_action: Option<AnyElement>,
+    actions_slot: Option<AnyElement>,
+    dismiss_action: Option<AnyElement>,
     line_height: Option<Pixels>,
-    bg_color: Option<Hsla>,
+    border_position: BorderPosition,
 }
 
 impl Callout {
     /// Creates a new `Callout` component with default styling.
     pub fn new() -> Self {
         Self {
+            severity: Severity::Info,
             icon: None,
             title: None,
             description: None,
-            primary_action: None,
-            secondary_action: None,
-            tertiary_action: None,
+            actions_slot: None,
+            dismiss_action: None,
             line_height: None,
-            bg_color: None,
+            border_position: BorderPosition::Top,
         }
     }
 
+    /// Sets the severity of the callout.
+    pub fn severity(mut self, severity: Severity) -> Self {
+        self.severity = severity;
+        self
+    }
+
     /// Sets the icon to display in the callout.
-    pub fn icon(mut self, icon: Icon) -> Self {
+    pub fn icon(mut self, icon: IconName) -> Self {
         self.icon = Some(icon);
         self
     }
@@ -64,20 +76,15 @@ impl Callout {
     }
 
     /// Sets the primary call-to-action button.
-    pub fn primary_action(mut self, action: impl IntoElement) -> Self {
-        self.primary_action = Some(action.into_any_element());
+    pub fn actions_slot(mut self, action: impl IntoElement) -> Self {
+        self.actions_slot = Some(action.into_any_element());
         self
     }
 
-    /// Sets an optional secondary call-to-action button.
-    pub fn secondary_action(mut self, action: impl IntoElement) -> Self {
-        self.secondary_action = Some(action.into_any_element());
-        self
-    }
-
-    /// Sets an optional tertiary call-to-action button.
-    pub fn tertiary_action(mut self, action: impl IntoElement) -> Self {
-        self.tertiary_action = Some(action.into_any_element());
+    /// Sets an optional dismiss button, which is usually an icon button with a close icon.
+    /// This button is always rendered as the last one to the far right.
+    pub fn dismiss_action(mut self, action: impl IntoElement) -> Self {
+        self.dismiss_action = Some(action.into_any_element());
         self
     }
 
@@ -87,9 +94,9 @@ impl Callout {
         self
     }
 
-    /// Sets a custom background color for the callout content.
-    pub fn bg_color(mut self, color: Hsla) -> Self {
-        self.bg_color = Some(color);
+    /// Sets the border position in the callout.
+    pub fn border_position(mut self, border_position: BorderPosition) -> Self {
+        self.border_position = border_position;
         self
     }
 }
@@ -97,21 +104,52 @@ impl Callout {
 impl RenderOnce for Callout {
     fn render(self, window: &mut Window, cx: &mut App) -> impl IntoElement {
         let line_height = self.line_height.unwrap_or(window.line_height());
-        let bg_color = self
-            .bg_color
-            .unwrap_or(cx.theme().colors().panel_background);
-        let has_actions = self.primary_action.is_some()
-            || self.secondary_action.is_some()
-            || self.tertiary_action.is_some();
+
+        let has_actions = self.actions_slot.is_some() || self.dismiss_action.is_some();
+
+        let (icon, icon_color, bg_color) = match self.severity {
+            Severity::Info => (
+                IconName::Info,
+                Color::Muted,
+                cx.theme().colors().panel_background.opacity(0.),
+            ),
+            Severity::Success => (
+                IconName::Check,
+                Color::Success,
+                cx.theme().status().success.opacity(0.1),
+            ),
+            Severity::Warning => (
+                IconName::Warning,
+                Color::Warning,
+                cx.theme().status().warning_background.opacity(0.2),
+            ),
+            Severity::Error => (
+                IconName::XCircle,
+                Color::Error,
+                cx.theme().status().error.opacity(0.08),
+            ),
+        };
 
         h_flex()
+            .min_w_0()
+            .w_full()
             .p_2()
             .gap_2()
             .items_start()
+            .map(|this| match self.border_position {
+                BorderPosition::Top => this.border_t_1(),
+                BorderPosition::Bottom => this.border_b_1(),
+            })
+            .border_color(cx.theme().colors().border)
             .bg(bg_color)
             .overflow_x_hidden()
-            .when_some(self.icon, |this, icon| {
-                this.child(h_flex().h(line_height).justify_center().child(icon))
+            .when(self.icon.is_some(), |this| {
+                this.child(
+                    h_flex()
+                        .h(line_height)
+                        .justify_center()
+                        .child(Icon::new(icon).size(IconSize::Small).color(icon_color)),
+                )
             })
             .child(
                 v_flex()
@@ -119,10 +157,11 @@ impl RenderOnce for Callout {
                     .w_full()
                     .child(
                         h_flex()
-                            .h(line_height)
+                            .min_h(line_height)
                             .w_full()
                             .gap_1()
                             .justify_between()
+                            .flex_wrap()
                             .when_some(self.title, |this, title| {
                                 this.child(h_flex().child(Label::new(title).size(LabelSize::Small)))
                             })
@@ -130,13 +169,10 @@ impl RenderOnce for Callout {
                                 this.child(
                                     h_flex()
                                         .gap_0p5()
-                                        .when_some(self.tertiary_action, |this, action| {
+                                        .when_some(self.actions_slot, |this, action| {
                                             this.child(action)
                                         })
-                                        .when_some(self.secondary_action, |this, action| {
-                                            this.child(action)
-                                        })
-                                        .when_some(self.primary_action, |this, action| {
+                                        .when_some(self.dismiss_action, |this, action| {
                                             this.child(action)
                                         }),
                                 )
@@ -158,7 +194,7 @@ impl RenderOnce for Callout {
 
 impl Component for Callout {
     fn scope() -> ComponentScope {
-        ComponentScope::Notification
+        ComponentScope::DataDisplay
     }
 
     fn description() -> Option<&'static str> {
@@ -168,84 +204,101 @@ impl Component for Callout {
     }
 
     fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
-        let callout_examples = vec![
+        let single_action = || Button::new("got-it", "Got it").label_size(LabelSize::Small);
+        let multiple_actions = || {
+            h_flex()
+                .gap_0p5()
+                .child(Button::new("update", "Backup & Update").label_size(LabelSize::Small))
+                .child(Button::new("dismiss", "Dismiss").label_size(LabelSize::Small))
+        };
+
+        let basic_examples = vec![
             single_example(
                 "Simple with Title Only",
                 Callout::new()
-                    .icon(
-                        Icon::new(IconName::Info)
-                            .color(Color::Accent)
-                            .size(IconSize::Small),
-                    )
+                    .icon(IconName::Info)
                     .title("System maintenance scheduled for tonight")
-                    .primary_action(Button::new("got-it", "Got it").label_size(LabelSize::Small))
+                    .actions_slot(single_action())
                     .into_any_element(),
             )
             .width(px(580.)),
             single_example(
                 "With Title and Description",
                 Callout::new()
-                    .icon(
-                        Icon::new(IconName::Warning)
-                            .color(Color::Warning)
-                            .size(IconSize::Small),
-                    )
+                    .icon(IconName::Warning)
                     .title("Your settings contain deprecated values")
                     .description(
                         "We'll backup your current settings and update them to the new format.",
                     )
-                    .primary_action(
-                        Button::new("update", "Backup & Update").label_size(LabelSize::Small),
-                    )
-                    .secondary_action(
-                        Button::new("dismiss", "Dismiss").label_size(LabelSize::Small),
-                    )
+                    .actions_slot(single_action())
                     .into_any_element(),
             )
             .width(px(580.)),
             single_example(
                 "Error with Multiple Actions",
                 Callout::new()
-                    .icon(
-                        Icon::new(IconName::X)
-                            .color(Color::Error)
-                            .size(IconSize::Small),
-                    )
+                    .icon(IconName::Close)
                     .title("Thread reached the token limit")
                     .description("Start a new thread from a summary to continue the conversation.")
-                    .primary_action(
-                        Button::new("new-thread", "Start New Thread").label_size(LabelSize::Small),
-                    )
-                    .secondary_action(
-                        Button::new("view-summary", "View Summary").label_size(LabelSize::Small),
-                    )
+                    .actions_slot(multiple_actions())
                     .into_any_element(),
             )
             .width(px(580.)),
             single_example(
                 "Multi-line Description",
                 Callout::new()
-                    .icon(
-                        Icon::new(IconName::Sparkle)
-                            .color(Color::Accent)
-                            .size(IconSize::Small),
-                    )
+                    .icon(IconName::Sparkle)
                     .title("Upgrade to Pro")
                     .description("• Unlimited threads\n• Priority support\n• Advanced analytics")
-                    .primary_action(
-                        Button::new("upgrade", "Upgrade Now").label_size(LabelSize::Small),
-                    )
-                    .secondary_action(
-                        Button::new("learn-more", "Learn More").label_size(LabelSize::Small),
-                    )
+                    .actions_slot(multiple_actions())
                     .into_any_element(),
             )
             .width(px(580.)),
         ];
 
+        let severity_examples = vec![
+            single_example(
+                "Info",
+                Callout::new()
+                    .icon(IconName::Info)
+                    .title("System maintenance scheduled for tonight")
+                    .actions_slot(single_action())
+                    .into_any_element(),
+            ),
+            single_example(
+                "Warning",
+                Callout::new()
+                    .severity(Severity::Warning)
+                    .icon(IconName::Triangle)
+                    .title("System maintenance scheduled for tonight")
+                    .actions_slot(single_action())
+                    .into_any_element(),
+            ),
+            single_example(
+                "Error",
+                Callout::new()
+                    .severity(Severity::Error)
+                    .icon(IconName::XCircle)
+                    .title("System maintenance scheduled for tonight")
+                    .actions_slot(single_action())
+                    .into_any_element(),
+            ),
+            single_example(
+                "Success",
+                Callout::new()
+                    .severity(Severity::Success)
+                    .icon(IconName::Check)
+                    .title("System maintenance scheduled for tonight")
+                    .actions_slot(single_action())
+                    .into_any_element(),
+            ),
+        ];
+
         Some(
-            example_group(callout_examples)
-                .vertical()
+            v_flex()
+                .gap_4()
+                .child(example_group(basic_examples).vertical())
+                .child(example_group_with_title("Severity", severity_examples).vertical())
                 .into_any_element(),
         )
     }
diff --git a/crates/ui/src/components/context_menu.rs b/crates/ui/src/components/context_menu.rs
index 77468fd295..21ab283d88 100644
--- a/crates/ui/src/components/context_menu.rs
+++ b/crates/ui/src/components/context_menu.rs
@@ -679,18 +679,18 @@ impl ContextMenu {
             let next_index = ix + 1;
             if self.items.len() <= next_index {
                 self.select_first(&SelectFirst, window, cx);
+                return;
             } else {
                 for (ix, item) in self.items.iter().enumerate().skip(next_index) {
                     if item.is_selectable() {
                         self.select_index(ix, window, cx);
                         cx.notify();
-                        break;
+                        return;
                     }
                 }
             }
-        } else {
-            self.select_first(&SelectFirst, window, cx);
         }
+        self.select_first(&SelectFirst, window, cx);
     }
 
     pub fn select_previous(
@@ -1203,6 +1203,7 @@ mod tests {
                     .separator()
                     .separator()
                     .entry("Last entry", None, |_, _| {})
+                    .header("Last header")
             })
         });
 
@@ -1255,5 +1256,27 @@ mod tests {
                 "Should go back to previous selectable entry (first)"
             );
         });
+
+        context_menu.update_in(cx, |context_menu, window, cx| {
+            context_menu.select_first(&SelectFirst, window, cx);
+            assert_eq!(
+                Some(2),
+                context_menu.selected_index,
+                "Should start from the first selectable entry"
+            );
+
+            context_menu.select_previous(&SelectPrevious, window, cx);
+            assert_eq!(
+                Some(5),
+                context_menu.selected_index,
+                "Should wrap around to last selectable entry"
+            );
+            context_menu.select_next(&SelectNext, window, cx);
+            assert_eq!(
+                Some(2),
+                context_menu.selected_index,
+                "Should wrap around to first selectable entry"
+            );
+        });
     }
 }
diff --git a/crates/ui/src/components/disclosure.rs b/crates/ui/src/components/disclosure.rs
index a1fab02e54..4bb3419176 100644
--- a/crates/ui/src/components/disclosure.rs
+++ b/crates/ui/src/components/disclosure.rs
@@ -1,6 +1,6 @@
 use std::sync::Arc;
 
-use gpui::{ClickEvent, CursorStyle};
+use gpui::{ClickEvent, CursorStyle, SharedString};
 
 use crate::{Color, IconButton, IconButtonShape, IconName, IconSize, prelude::*};
 
@@ -14,6 +14,7 @@ pub struct Disclosure {
     cursor_style: CursorStyle,
     opened_icon: IconName,
     closed_icon: IconName,
+    visible_on_hover: Option<SharedString>,
 }
 
 impl Disclosure {
@@ -27,6 +28,7 @@ impl Disclosure {
             cursor_style: CursorStyle::PointingHand,
             opened_icon: IconName::ChevronDown,
             closed_icon: IconName::ChevronRight,
+            visible_on_hover: None,
         }
     }
 
@@ -73,6 +75,13 @@ impl Clickable for Disclosure {
     }
 }
 
+impl VisibleOnHover for Disclosure {
+    fn visible_on_hover(mut self, group_name: impl Into<SharedString>) -> Self {
+        self.visible_on_hover = Some(group_name.into());
+        self
+    }
+}
+
 impl RenderOnce for Disclosure {
     fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement {
         IconButton::new(
@@ -87,6 +96,9 @@ impl RenderOnce for Disclosure {
         .icon_size(IconSize::Small)
         .disabled(self.disabled)
         .toggle_state(self.selected)
+        .when_some(self.visible_on_hover.clone(), |this, group_name| {
+            this.visible_on_hover(group_name)
+        })
         .when_some(self.on_toggle, move |this, on_toggle| {
             this.on_click(move |event, window, cx| on_toggle(event, window, cx))
         })
@@ -95,7 +107,7 @@ impl RenderOnce for Disclosure {
 
 impl Component for Disclosure {
     fn scope() -> ComponentScope {
-        ComponentScope::Navigation
+        ComponentScope::Input
     }
 
     fn description() -> Option<&'static str> {
diff --git a/crates/ui/src/components/dropdown_menu.rs b/crates/ui/src/components/dropdown_menu.rs
index cdb98086ca..f276d483a6 100644
--- a/crates/ui/src/components/dropdown_menu.rs
+++ b/crates/ui/src/components/dropdown_menu.rs
@@ -96,7 +96,7 @@ impl RenderOnce for DropdownMenu {
                     .style(self.style),
             )
             .attach(Corner::BottomLeft)
-            .when_some(self.handle.clone(), |el, handle| el.with_handle(handle))
+            .when_some(self.handle, |el, handle| el.with_handle(handle))
     }
 }
 
@@ -169,7 +169,7 @@ impl Component for DropdownMenu {
                         "States",
                         vec![single_example(
                             "Disabled",
-                            DropdownMenu::new("disabled", "Disabled Dropdown", menu.clone())
+                            DropdownMenu::new("disabled", "Disabled Dropdown", menu)
                                 .disabled(true)
                                 .into_any_element(),
                         )],
@@ -276,25 +276,25 @@ impl RenderOnce for DropdownMenuTrigger {
             .gap_2()
             .justify_between()
             .rounded_sm()
-            .bg(style.bg)
-            .hover(|s| s.bg(cx.theme().colors().element_hover))
+            .map(|this| {
+                if self.full_width {
+                    this.w_full()
+                } else {
+                    this.flex_none().w_auto()
+                }
+            })
             .when(is_outlined, |this| {
                 this.border_1()
                     .border_color(cx.theme().colors().border)
                     .overflow_hidden()
             })
-            .map(|el| {
-                if self.full_width {
-                    el.w_full()
-                } else {
-                    el.flex_none().w_auto()
-                }
-            })
-            .map(|el| {
+            .map(|this| {
                 if disabled {
-                    el.cursor_not_allowed()
+                    this.cursor_not_allowed()
+                        .bg(cx.theme().colors().element_disabled)
                 } else {
-                    el.cursor_pointer()
+                    this.bg(style.bg)
+                        .hover(|s| s.bg(cx.theme().colors().element_hover))
                 }
             })
             .child(match self.label {
diff --git a/crates/ui/src/components/facepile.rs b/crates/ui/src/components/facepile.rs
index 879bfce041..83e99df7c2 100644
--- a/crates/ui/src/components/facepile.rs
+++ b/crates/ui/src/components/facepile.rs
@@ -78,7 +78,7 @@ impl RenderOnce for Facepile {
     }
 }
 
-pub const EXAMPLE_FACES: [&'static str; 6] = [
+pub const EXAMPLE_FACES: [&str; 6] = [
     "https://avatars.githubusercontent.com/u/326587?s=60&v=4",
     "https://avatars.githubusercontent.com/u/2280405?s=60&v=4",
     "https://avatars.githubusercontent.com/u/1789?s=60&v=4",
diff --git a/crates/ui/src/components/image.rs b/crates/ui/src/components/image.rs
index 2deba68d88..09c3bbeb94 100644
--- a/crates/ui/src/components/image.rs
+++ b/crates/ui/src/components/image.rs
@@ -1,5 +1,6 @@
 use std::sync::Arc;
 
+use gpui::Transformation;
 use gpui::{App, IntoElement, Rems, RenderOnce, Size, Styled, Window, svg};
 use serde::{Deserialize, Serialize};
 use strum::{EnumIter, EnumString, IntoStaticStr};
@@ -12,11 +13,13 @@ use crate::prelude::*;
 )]
 #[strum(serialize_all = "snake_case")]
 pub enum VectorName {
-    ZedLogo,
-    ZedXCopilot,
-    Grid,
     AiGrid,
     DebuggerGrid,
+    Grid,
+    ProTrialStamp,
+    ProUserStamp,
+    ZedLogo,
+    ZedXCopilot,
 }
 
 impl VectorName {
@@ -37,6 +40,7 @@ pub struct Vector {
     path: Arc<str>,
     color: Color,
     size: Size<Rems>,
+    transformation: Transformation,
 }
 
 impl Vector {
@@ -46,6 +50,7 @@ impl Vector {
             path: vector.path(),
             color: Color::default(),
             size: Size { width, height },
+            transformation: Transformation::default(),
         }
     }
 
@@ -66,6 +71,11 @@ impl Vector {
         self.size = size;
         self
     }
+
+    pub fn transform(mut self, transformation: Transformation) -> Self {
+        self.transformation = transformation;
+        self
+    }
 }
 
 impl RenderOnce for Vector {
@@ -81,6 +91,7 @@ impl RenderOnce for Vector {
             .h(height)
             .path(self.path)
             .text_color(self.color.color(cx))
+            .with_transformation(self.transformation)
     }
 }
 
diff --git a/crates/ui/src/components/indent_guides.rs b/crates/ui/src/components/indent_guides.rs
index e3dc1f35fa..60aa23b44c 100644
--- a/crates/ui/src/components/indent_guides.rs
+++ b/crates/ui/src/components/indent_guides.rs
@@ -195,7 +195,7 @@ mod uniform_list {
     impl UniformListDecoration for IndentGuides {
         fn compute(
             &self,
-            visible_range: Range<usize>,
+            mut visible_range: Range<usize>,
             bounds: Bounds<Pixels>,
             _scroll_offset: Point<Pixels>,
             item_height: Pixels,
@@ -203,7 +203,6 @@ mod uniform_list {
             window: &mut Window,
             cx: &mut App,
         ) -> AnyElement {
-            let mut visible_range = visible_range.clone();
             let includes_trailing_indent = visible_range.end < item_count;
             // Check if we have entries after the visible range,
             // if so extend the visible range so we can fetch a trailing indent,
@@ -216,7 +215,7 @@ mod uniform_list {
             };
             let visible_entries = &compute_indents_fn(visible_range.clone(), window, cx);
             let indent_guides = compute_indent_guides(
-                &visible_entries,
+                visible_entries,
                 visible_range.start,
                 includes_trailing_indent,
             );
@@ -241,7 +240,7 @@ mod sticky_items {
             window: &mut Window,
             cx: &mut App,
         ) -> AnyElement {
-            let indent_guides = compute_indent_guides(&indents, 0, false);
+            let indent_guides = compute_indent_guides(indents, 0, false);
             self.render_from_layout(indent_guides, bounds, item_height, window, cx)
         }
     }
diff --git a/crates/ui/src/components/indicator.rs b/crates/ui/src/components/indicator.rs
index d319547bed..59d69a068b 100644
--- a/crates/ui/src/components/indicator.rs
+++ b/crates/ui/src/components/indicator.rs
@@ -164,7 +164,7 @@ impl Component for Indicator {
                             ),
                             single_example(
                                 "Error",
-                                Indicator::icon(Icon::new(IconName::X))
+                                Indicator::icon(Icon::new(IconName::Close))
                                     .color(Color::Error)
                                     .into_any_element(),
                             ),
diff --git a/crates/ui/src/components/keybinding.rs b/crates/ui/src/components/keybinding.rs
index 5779093ccc..1e7bb40c40 100644
--- a/crates/ui/src/components/keybinding.rs
+++ b/crates/ui/src/components/keybinding.rs
@@ -163,7 +163,7 @@ pub fn render_keystroke(
     let size = size.into();
 
     if use_text {
-        let element = Key::new(keystroke_text(&keystroke, platform_style, vim_mode), color)
+        let element = Key::new(keystroke_text(keystroke, platform_style, vim_mode), color)
             .size(size)
             .into_any_element();
         vec![element]
@@ -176,7 +176,7 @@ pub fn render_keystroke(
             size,
             true,
         ));
-        elements.push(render_key(&keystroke, color, platform_style, size));
+        elements.push(render_key(keystroke, color, platform_style, size));
         elements
     }
 }
@@ -188,7 +188,7 @@ fn icon_for_key(keystroke: &Keystroke, platform_style: PlatformStyle) -> Option<
         "up" => Some(IconName::ArrowUp),
         "down" => Some(IconName::ArrowDown),
         "backspace" => Some(IconName::Backspace),
-        "delete" => Some(IconName::Delete),
+        "delete" => Some(IconName::Backspace),
         "return" => Some(IconName::Return),
         "enter" => Some(IconName::Return),
         "tab" => Some(IconName::Tab),
@@ -325,7 +325,7 @@ impl RenderOnce for Key {
             .text_size(size)
             .line_height(relative(1.))
             .text_color(self.color.unwrap_or(Color::Muted).color(cx))
-            .child(self.key.clone())
+            .child(self.key)
     }
 }
 
diff --git a/crates/ui/src/components/keybinding_hint.rs b/crates/ui/src/components/keybinding_hint.rs
index a34ca40ed8..d7491b27b1 100644
--- a/crates/ui/src/components/keybinding_hint.rs
+++ b/crates/ui/src/components/keybinding_hint.rs
@@ -269,7 +269,7 @@ impl Component for KeybindingHint {
                             ),
                             single_example(
                                 "Large",
-                                KeybindingHint::new(enter.clone(), bg_color)
+                                KeybindingHint::new(enter, bg_color)
                                     .size(Pixels::from(20.0))
                                     .prefix("Large:")
                                     .suffix("Size")
diff --git a/crates/ui/src/components/label.rs b/crates/ui/src/components/label.rs
index 8c9ea62424..dc830559ca 100644
--- a/crates/ui/src/components/label.rs
+++ b/crates/ui/src/components/label.rs
@@ -2,8 +2,10 @@ mod highlighted_label;
 mod label;
 mod label_like;
 mod loading_label;
+mod spinner_label;
 
 pub use highlighted_label::*;
 pub use label::*;
 pub use label_like::*;
 pub use loading_label::*;
+pub use spinner_label::*;
diff --git a/crates/ui/src/components/label/highlighted_label.rs b/crates/ui/src/components/label/highlighted_label.rs
index 72f54e08da..576d47eda5 100644
--- a/crates/ui/src/components/label/highlighted_label.rs
+++ b/crates/ui/src/components/label/highlighted_label.rs
@@ -98,12 +98,12 @@ pub fn highlight_ranges(
 
         loop {
             end_ix = end_ix + text[end_ix..].chars().next().unwrap().len_utf8();
-            if let Some(&next_ix) = highlight_indices.peek() {
-                if next_ix == end_ix {
-                    end_ix = next_ix;
-                    highlight_indices.next();
-                    continue;
-                }
+            if let Some(&next_ix) = highlight_indices.peek()
+                && next_ix == end_ix
+            {
+                end_ix = next_ix;
+                highlight_indices.next();
+                continue;
             }
             break;
         }
diff --git a/crates/ui/src/components/label/spinner_label.rs b/crates/ui/src/components/label/spinner_label.rs
new file mode 100644
index 0000000000..b7b65fbcc9
--- /dev/null
+++ b/crates/ui/src/components/label/spinner_label.rs
@@ -0,0 +1,192 @@
+use crate::prelude::*;
+use gpui::{Animation, AnimationExt, FontWeight};
+use std::time::Duration;
+
+/// Different types of spinner animations
+#[derive(Debug, Default, Clone, Copy, PartialEq)]
+pub enum SpinnerVariant {
+    #[default]
+    Dots,
+    DotsVariant,
+}
+
+/// A spinner indication, based on the label component, that loops through
+/// frames of the specified animation. It implements `LabelCommon` as well.
+///
+/// # Default Example
+///
+/// ```
+/// use ui::{SpinnerLabel};
+///
+/// SpinnerLabel::new();
+/// ```
+///
+/// # Variant Example
+///
+/// ```
+/// use ui::{SpinnerLabel};
+///
+/// SpinnerLabel::dots_variant();
+/// ```
+#[derive(IntoElement, RegisterComponent)]
+pub struct SpinnerLabel {
+    base: Label,
+    variant: SpinnerVariant,
+    frames: Vec<&'static str>,
+    duration: Duration,
+}
+
+impl SpinnerVariant {
+    fn frames(&self) -> Vec<&'static str> {
+        match self {
+            SpinnerVariant::Dots => vec!["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"],
+            SpinnerVariant::DotsVariant => vec!["⣼", "⣹", "⢻", "⠿", "⡟", "⣏", "⣧", "⣶"],
+        }
+    }
+
+    fn duration(&self) -> Duration {
+        match self {
+            SpinnerVariant::Dots => Duration::from_millis(1000),
+            SpinnerVariant::DotsVariant => Duration::from_millis(1000),
+        }
+    }
+
+    fn animation_id(&self) -> &'static str {
+        match self {
+            SpinnerVariant::Dots => "spinner_label_dots",
+            SpinnerVariant::DotsVariant => "spinner_label_dots_variant",
+        }
+    }
+}
+
+impl SpinnerLabel {
+    pub fn new() -> Self {
+        Self::with_variant(SpinnerVariant::default())
+    }
+
+    pub fn with_variant(variant: SpinnerVariant) -> Self {
+        let frames = variant.frames();
+        let duration = variant.duration();
+
+        SpinnerLabel {
+            base: Label::new(frames[0]),
+            variant,
+            frames,
+            duration,
+        }
+    }
+
+    pub fn dots() -> Self {
+        Self::with_variant(SpinnerVariant::Dots)
+    }
+
+    pub fn dots_variant() -> Self {
+        Self::with_variant(SpinnerVariant::DotsVariant)
+    }
+}
+
+impl LabelCommon for SpinnerLabel {
+    fn size(mut self, size: LabelSize) -> Self {
+        self.base = self.base.size(size);
+        self
+    }
+
+    fn weight(mut self, weight: FontWeight) -> Self {
+        self.base = self.base.weight(weight);
+        self
+    }
+
+    fn line_height_style(mut self, line_height_style: LineHeightStyle) -> Self {
+        self.base = self.base.line_height_style(line_height_style);
+        self
+    }
+
+    fn color(mut self, color: Color) -> Self {
+        self.base = self.base.color(color);
+        self
+    }
+
+    fn strikethrough(mut self) -> Self {
+        self.base = self.base.strikethrough();
+        self
+    }
+
+    fn italic(mut self) -> Self {
+        self.base = self.base.italic();
+        self
+    }
+
+    fn alpha(mut self, alpha: f32) -> Self {
+        self.base = self.base.alpha(alpha);
+        self
+    }
+
+    fn underline(mut self) -> Self {
+        self.base = self.base.underline();
+        self
+    }
+
+    fn truncate(mut self) -> Self {
+        self.base = self.base.truncate();
+        self
+    }
+
+    fn single_line(mut self) -> Self {
+        self.base = self.base.single_line();
+        self
+    }
+
+    fn buffer_font(mut self, cx: &App) -> Self {
+        self.base = self.base.buffer_font(cx);
+        self
+    }
+
+    fn inline_code(mut self, cx: &App) -> Self {
+        self.base = self.base.inline_code(cx);
+        self
+    }
+}
+
+impl RenderOnce for SpinnerLabel {
+    fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement {
+        let frames = self.frames.clone();
+        let duration = self.duration;
+
+        self.base.color(Color::Muted).with_animation(
+            self.variant.animation_id(),
+            Animation::new(duration).repeat(),
+            move |mut label, delta| {
+                let frame_index = (delta * frames.len() as f32) as usize % frames.len();
+
+                label.set_text(frames[frame_index]);
+                label
+            },
+        )
+    }
+}
+
+impl Component for SpinnerLabel {
+    fn scope() -> ComponentScope {
+        ComponentScope::Loading
+    }
+
+    fn name() -> &'static str {
+        "Spinner Label"
+    }
+
+    fn sort_name() -> &'static str {
+        "Spinner Label"
+    }
+
+    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
+        let examples = vec![
+            single_example("Default", SpinnerLabel::new().into_any_element()),
+            single_example(
+                "Dots Variant",
+                SpinnerLabel::dots_variant().into_any_element(),
+            ),
+        ];
+
+        Some(example_group(examples).vertical().into_any_element())
+    }
+}
diff --git a/crates/ui/src/components/list.rs b/crates/ui/src/components/list.rs
index 88650b6ae8..6876f290ce 100644
--- a/crates/ui/src/components/list.rs
+++ b/crates/ui/src/components/list.rs
@@ -1,10 +1,12 @@
 mod list;
+mod list_bullet_item;
 mod list_header;
 mod list_item;
 mod list_separator;
 mod list_sub_header;
 
 pub use list::*;
+pub use list_bullet_item::*;
 pub use list_header::*;
 pub use list_item::*;
 pub use list_separator::*;
diff --git a/crates/ui/src/components/list/list_bullet_item.rs b/crates/ui/src/components/list/list_bullet_item.rs
new file mode 100644
index 0000000000..6e079d9f11
--- /dev/null
+++ b/crates/ui/src/components/list/list_bullet_item.rs
@@ -0,0 +1,40 @@
+use crate::{ListItem, prelude::*};
+use gpui::{IntoElement, ParentElement, SharedString};
+
+#[derive(IntoElement)]
+pub struct ListBulletItem {
+    label: SharedString,
+}
+
+impl ListBulletItem {
+    pub fn new(label: impl Into<SharedString>) -> Self {
+        Self {
+            label: label.into(),
+        }
+    }
+}
+
+impl RenderOnce for ListBulletItem {
+    fn render(self, window: &mut Window, _cx: &mut App) -> impl IntoElement {
+        let line_height = 0.85 * window.line_height();
+
+        ListItem::new("list-item")
+            .selectable(false)
+            .child(
+                h_flex()
+                    .w_full()
+                    .min_w_0()
+                    .gap_1()
+                    .items_start()
+                    .child(
+                        h_flex().h(line_height).justify_center().child(
+                            Icon::new(IconName::Dash)
+                                .size(IconSize::XSmall)
+                                .color(Color::Hidden),
+                        ),
+                    )
+                    .child(div().w_full().min_w_0().child(Label::new(self.label))),
+            )
+            .into_any_element()
+    }
+}
diff --git a/crates/ui/src/components/modal.rs b/crates/ui/src/components/modal.rs
index 2145b34ef2..a70f5e1ea5 100644
--- a/crates/ui/src/components/modal.rs
+++ b/crates/ui/src/components/modal.rs
@@ -1,5 +1,5 @@
 use crate::{
-    Clickable, Color, DynamicSpacing, Headline, HeadlineSize, IconButton, IconButtonShape,
+    Clickable, Color, DynamicSpacing, Headline, HeadlineSize, Icon, IconButton, IconButtonShape,
     IconName, Label, LabelCommon, LabelSize, h_flex, v_flex,
 };
 use gpui::{prelude::FluentBuilder, *};
@@ -92,6 +92,7 @@ impl RenderOnce for Modal {
 
 #[derive(IntoElement)]
 pub struct ModalHeader {
+    icon: Option<Icon>,
     headline: Option<SharedString>,
     description: Option<SharedString>,
     children: SmallVec<[AnyElement; 2]>,
@@ -108,6 +109,7 @@ impl Default for ModalHeader {
 impl ModalHeader {
     pub fn new() -> Self {
         Self {
+            icon: None,
             headline: None,
             description: None,
             children: SmallVec::new(),
@@ -116,6 +118,11 @@ impl ModalHeader {
         }
     }
 
+    pub fn icon(mut self, icon: Icon) -> Self {
+        self.icon = Some(icon);
+        self
+    }
+
     /// Set the headline of the modal.
     ///
     /// This will insert the headline as the first item
@@ -179,12 +186,17 @@ impl RenderOnce for ModalHeader {
                 )
             })
             .child(
-                v_flex().flex_1().children(children).when_some(
-                    self.description,
-                    |this, description| {
+                v_flex()
+                    .flex_1()
+                    .child(
+                        h_flex()
+                            .gap_1()
+                            .when_some(self.icon, |this, icon| this.child(icon))
+                            .children(children),
+                    )
+                    .when_some(self.description, |this, description| {
                         this.child(Label::new(description).color(Color::Muted).mb_2())
-                    },
-                ),
+                    }),
             )
             .when(self.show_dismiss_button, |this| {
                 this.child(
diff --git a/crates/ui/src/components/notification/alert_modal.rs b/crates/ui/src/components/notification/alert_modal.rs
index acba0c7e9a..9990dc1ce5 100644
--- a/crates/ui/src/components/notification/alert_modal.rs
+++ b/crates/ui/src/components/notification/alert_modal.rs
@@ -64,7 +64,7 @@ impl RenderOnce for AlertModal {
                             )
                             .child(Button::new(
                                 self.primary_action.clone(),
-                                self.primary_action.clone(),
+                                self.primary_action,
                             )),
                     ),
             )
diff --git a/crates/ui/src/components/numeric_stepper.rs b/crates/ui/src/components/numeric_stepper.rs
index 5a84633d1b..2ddb86d9a0 100644
--- a/crates/ui/src/components/numeric_stepper.rs
+++ b/crates/ui/src/components/numeric_stepper.rs
@@ -19,6 +19,7 @@ pub struct NumericStepper {
     /// Whether to reserve space for the reset button.
     reserve_space_for_reset: bool,
     on_reset: Option<Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>>,
+    tab_index: Option<isize>,
 }
 
 impl NumericStepper {
@@ -36,6 +37,7 @@ impl NumericStepper {
             on_increment: Box::new(on_increment),
             reserve_space_for_reset: false,
             on_reset: None,
+            tab_index: None,
         }
     }
 
@@ -56,6 +58,11 @@ impl NumericStepper {
         self.on_reset = Some(Box::new(on_reset));
         self
     }
+
+    pub fn tab_index(mut self, tab_index: isize) -> Self {
+        self.tab_index = Some(tab_index);
+        self
+    }
 }
 
 impl RenderOnce for NumericStepper {
@@ -64,6 +71,7 @@ impl RenderOnce for NumericStepper {
         let icon_size = IconSize::Small;
 
         let is_outlined = matches!(self.style, NumericStepperStyle::Outlined);
+        let mut tab_index = self.tab_index;
 
         h_flex()
             .id(self.id)
@@ -74,6 +82,10 @@ impl RenderOnce for NumericStepper {
                         IconButton::new("reset", IconName::RotateCcw)
                             .shape(shape)
                             .icon_size(icon_size)
+                            .when_some(tab_index.as_mut(), |this, tab_index| {
+                                *tab_index += 1;
+                                this.tab_index(*tab_index - 1)
+                            })
                             .on_click(on_reset),
                     )
                 } else if self.reserve_space_for_reset {
@@ -96,7 +108,7 @@ impl RenderOnce for NumericStepper {
                             this.overflow_hidden()
                                 .bg(cx.theme().colors().surface_background)
                                 .border_1()
-                                .border_color(cx.theme().colors().border)
+                                .border_color(cx.theme().colors().border_variant)
                         } else {
                             this.px_1().bg(cx.theme().colors().editor_background)
                         }
@@ -111,8 +123,14 @@ impl RenderOnce for NumericStepper {
                                     .justify_center()
                                     .hover(|s| s.bg(cx.theme().colors().element_hover))
                                     .border_r_1()
-                                    .border_color(cx.theme().colors().border)
+                                    .border_color(cx.theme().colors().border_variant)
                                     .child(Icon::new(IconName::Dash).size(IconSize::Small))
+                                    .when_some(tab_index.as_mut(), |this, tab_index| {
+                                        *tab_index += 1;
+                                        this.tab_index(*tab_index - 1).focus(|style| {
+                                            style.bg(cx.theme().colors().element_hover)
+                                        })
+                                    })
                                     .on_click(self.on_decrement),
                             )
                         } else {
@@ -120,11 +138,14 @@ impl RenderOnce for NumericStepper {
                                 IconButton::new("decrement", IconName::Dash)
                                     .shape(shape)
                                     .icon_size(icon_size)
+                                    .when_some(tab_index.as_mut(), |this, tab_index| {
+                                        *tab_index += 1;
+                                        this.tab_index(*tab_index - 1)
+                                    })
                                     .on_click(self.on_decrement),
                             )
                         }
                     })
-                    .when(is_outlined, |this| this)
                     .child(Label::new(self.value).mx_3())
                     .map(|increment| {
                         if is_outlined {
@@ -136,8 +157,14 @@ impl RenderOnce for NumericStepper {
                                     .justify_center()
                                     .hover(|s| s.bg(cx.theme().colors().element_hover))
                                     .border_l_1()
-                                    .border_color(cx.theme().colors().border)
+                                    .border_color(cx.theme().colors().border_variant)
                                     .child(Icon::new(IconName::Plus).size(IconSize::Small))
+                                    .when_some(tab_index.as_mut(), |this, tab_index| {
+                                        *tab_index += 1;
+                                        this.tab_index(*tab_index - 1).focus(|style| {
+                                            style.bg(cx.theme().colors().element_hover)
+                                        })
+                                    })
                                     .on_click(self.on_increment),
                             )
                         } else {
@@ -145,6 +172,10 @@ impl RenderOnce for NumericStepper {
                                 IconButton::new("increment", IconName::Dash)
                                     .shape(shape)
                                     .icon_size(icon_size)
+                                    .when_some(tab_index.as_mut(), |this, tab_index| {
+                                        *tab_index += 1;
+                                        this.tab_index(*tab_index - 1)
+                                    })
                                     .on_click(self.on_increment),
                             )
                         }
diff --git a/crates/ui/src/components/popover_menu.rs b/crates/ui/src/components/popover_menu.rs
index 55ce0218c7..439b53f038 100644
--- a/crates/ui/src/components/popover_menu.rs
+++ b/crates/ui/src/components/popover_menu.rs
@@ -72,10 +72,10 @@ impl<M: ManagedView> PopoverMenuHandle<M> {
     }
 
     pub fn hide(&self, cx: &mut App) {
-        if let Some(state) = self.0.borrow().as_ref() {
-            if let Some(menu) = state.menu.borrow().as_ref() {
-                menu.update(cx, |_, cx| cx.emit(DismissEvent));
-            }
+        if let Some(state) = self.0.borrow().as_ref()
+            && let Some(menu) = state.menu.borrow().as_ref()
+        {
+            menu.update(cx, |_, cx| cx.emit(DismissEvent));
         }
     }
 
@@ -93,16 +93,16 @@ impl<M: ManagedView> PopoverMenuHandle<M> {
         self.0
             .borrow()
             .as_ref()
-            .map_or(false, |state| state.menu.borrow().as_ref().is_some())
+            .is_some_and(|state| state.menu.borrow().as_ref().is_some())
     }
 
     pub fn is_focused(&self, window: &Window, cx: &App) -> bool {
-        self.0.borrow().as_ref().map_or(false, |state| {
+        self.0.borrow().as_ref().is_some_and(|state| {
             state
                 .menu
                 .borrow()
                 .as_ref()
-                .map_or(false, |model| model.focus_handle(cx).is_focused(window))
+                .is_some_and(|model| model.focus_handle(cx).is_focused(window))
         })
     }
 
@@ -278,10 +278,10 @@ fn show_menu<M: ManagedView>(
 
     window
         .subscribe(&new_menu, cx, move |modal, _: &DismissEvent, window, cx| {
-            if modal.focus_handle(cx).contains_focused(window, cx) {
-                if let Some(previous_focus_handle) = previous_focus_handle.as_ref() {
-                    window.focus(previous_focus_handle);
-                }
+            if modal.focus_handle(cx).contains_focused(window, cx)
+                && let Some(previous_focus_handle) = previous_focus_handle.as_ref()
+            {
+                window.focus(previous_focus_handle);
             }
             *menu2.borrow_mut() = None;
             window.refresh();
@@ -373,14 +373,14 @@ impl<M: ManagedView> Element for PopoverMenu<M> {
                     (child_builder)(element_state.menu.clone(), self.menu_builder.clone())
                 });
 
-                if let Some(trigger_handle) = self.trigger_handle.take() {
-                    if let Some(menu_builder) = self.menu_builder.clone() {
-                        *trigger_handle.0.borrow_mut() = Some(PopoverMenuHandleState {
-                            menu_builder,
-                            menu: element_state.menu.clone(),
-                            on_open: self.on_open.clone(),
-                        });
-                    }
+                if let Some(trigger_handle) = self.trigger_handle.take()
+                    && let Some(menu_builder) = self.menu_builder.clone()
+                {
+                    *trigger_handle.0.borrow_mut() = Some(PopoverMenuHandleState {
+                        menu_builder,
+                        menu: element_state.menu.clone(),
+                        on_open: self.on_open.clone(),
+                    });
                 }
 
                 let child_layout_id = child_element
diff --git a/crates/ui/src/components/right_click_menu.rs b/crates/ui/src/components/right_click_menu.rs
index 85ef549bc0..761189671b 100644
--- a/crates/ui/src/components/right_click_menu.rs
+++ b/crates/ui/src/components/right_click_menu.rs
@@ -250,12 +250,11 @@ impl<M: ManagedView> Element for RightClickMenu<M> {
 
                         window
                             .subscribe(&new_menu, cx, move |modal, _: &DismissEvent, window, cx| {
-                                if modal.focus_handle(cx).contains_focused(window, cx) {
-                                    if let Some(previous_focus_handle) =
+                                if modal.focus_handle(cx).contains_focused(window, cx)
+                                    && let Some(previous_focus_handle) =
                                         previous_focus_handle.as_ref()
-                                    {
-                                        window.focus(previous_focus_handle);
-                                    }
+                                {
+                                    window.focus(previous_focus_handle);
                                 }
                                 *menu2.borrow_mut() = None;
                                 window.refresh();
diff --git a/crates/ui/src/components/scrollbar.rs b/crates/ui/src/components/scrollbar.rs
index 7af55b76b7..605028202f 100644
--- a/crates/ui/src/components/scrollbar.rs
+++ b/crates/ui/src/components/scrollbar.rs
@@ -1,11 +1,20 @@
-use std::{any::Any, cell::Cell, fmt::Debug, ops::Range, rc::Rc, sync::Arc};
+use std::{
+    any::Any,
+    cell::{Cell, RefCell},
+    fmt::Debug,
+    ops::Range,
+    rc::Rc,
+    sync::Arc,
+    time::Duration,
+};
 
 use crate::{IntoElement, prelude::*, px, relative};
 use gpui::{
     Along, App, Axis as ScrollbarAxis, BorderStyle, Bounds, ContentMask, Corners, CursorStyle,
     Edges, Element, ElementId, Entity, EntityId, GlobalElementId, Hitbox, HitboxBehavior, Hsla,
     IsZero, LayoutId, ListState, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent, Pixels,
-    Point, ScrollHandle, ScrollWheelEvent, Size, Style, UniformListScrollHandle, Window, quad,
+    Point, ScrollHandle, ScrollWheelEvent, Size, Style, Task, UniformListScrollHandle, Window,
+    quad,
 };
 
 pub struct Scrollbar {
@@ -108,6 +117,25 @@ pub struct ScrollbarState {
     thumb_state: Rc<Cell<ThumbState>>,
     parent_id: Option<EntityId>,
     scroll_handle: Arc<dyn ScrollableHandle>,
+    auto_hide: Rc<RefCell<AutoHide>>,
+}
+
+#[derive(Debug)]
+enum AutoHide {
+    Disabled,
+    Hidden {
+        parent_id: EntityId,
+    },
+    Visible {
+        parent_id: EntityId,
+        _task: Task<()>,
+    },
+}
+
+impl AutoHide {
+    fn is_hidden(&self) -> bool {
+        matches!(self, AutoHide::Hidden { .. })
+    }
 }
 
 impl ScrollbarState {
@@ -116,6 +144,7 @@ impl ScrollbarState {
             thumb_state: Default::default(),
             parent_id: None,
             scroll_handle: Arc::new(scroll),
+            auto_hide: Rc::new(RefCell::new(AutoHide::Disabled)),
         }
     }
 
@@ -174,6 +203,38 @@ impl ScrollbarState {
         let thumb_percentage_end = (start_offset + thumb_size) / viewport_size;
         Some(thumb_percentage_start..thumb_percentage_end)
     }
+
+    fn show_temporarily(&self, parent_id: EntityId, cx: &mut App) {
+        const SHOW_INTERVAL: Duration = Duration::from_secs(1);
+
+        let auto_hide = self.auto_hide.clone();
+        auto_hide.replace(AutoHide::Visible {
+            parent_id,
+            _task: cx.spawn({
+                let this = auto_hide.clone();
+                async move |cx| {
+                    cx.background_executor().timer(SHOW_INTERVAL).await;
+                    this.replace(AutoHide::Hidden { parent_id });
+                    cx.update(|cx| {
+                        cx.notify(parent_id);
+                    })
+                    .ok();
+                }
+            }),
+        });
+    }
+
+    fn unhide(&self, position: &Point<Pixels>, cx: &mut App) {
+        let parent_id = match &*self.auto_hide.borrow() {
+            AutoHide::Disabled => return,
+            AutoHide::Hidden { parent_id } => *parent_id,
+            AutoHide::Visible { parent_id, _task } => *parent_id,
+        };
+
+        if self.scroll_handle().viewport().contains(position) {
+            self.show_temporarily(parent_id, cx);
+        }
+    }
 }
 
 impl Scrollbar {
@@ -189,6 +250,14 @@ impl Scrollbar {
         let thumb = state.thumb_range(kind)?;
         Some(Self { thumb, state, kind })
     }
+
+    /// Automatically hide the scrollbar when idle
+    pub fn auto_hide<V: 'static>(self, cx: &mut Context<V>) -> Self {
+        if matches!(*self.state.auto_hide.borrow(), AutoHide::Disabled) {
+            self.state.show_temporarily(cx.entity_id(), cx);
+        }
+        self
+    }
 }
 
 impl Element for Scrollbar {
@@ -284,16 +353,18 @@ impl Element for Scrollbar {
                     .apply_along(axis.invert(), |width| width / 1.5),
             );
 
-            let corners = Corners::all(thumb_bounds.size.along(axis.invert()) / 2.0);
+            if thumb_state.is_dragging() || !self.state.auto_hide.borrow().is_hidden() {
+                let corners = Corners::all(thumb_bounds.size.along(axis.invert()) / 2.0);
 
-            window.paint_quad(quad(
-                thumb_bounds,
-                corners,
-                thumb_background,
-                Edges::default(),
-                Hsla::transparent_black(),
-                BorderStyle::default(),
-            ));
+                window.paint_quad(quad(
+                    thumb_bounds,
+                    corners,
+                    thumb_background,
+                    Edges::default(),
+                    Hsla::transparent_black(),
+                    BorderStyle::default(),
+                ));
+            }
 
             if thumb_state.is_dragging() {
                 window.set_window_cursor_style(CursorStyle::Arrow);
@@ -361,13 +432,18 @@ impl Element for Scrollbar {
             });
 
             window.on_mouse_event({
+                let state = self.state.clone();
                 let scroll_handle = self.state.scroll_handle().clone();
-                move |event: &ScrollWheelEvent, phase, window, _| {
-                    if phase.bubble() && bounds.contains(&event.position) {
-                        let current_offset = scroll_handle.offset();
-                        scroll_handle.set_offset(
-                            current_offset + event.delta.pixel_delta(window.line_height()),
-                        );
+                move |event: &ScrollWheelEvent, phase, window, cx| {
+                    if phase.bubble() {
+                        state.unhide(&event.position, cx);
+
+                        if bounds.contains(&event.position) {
+                            let current_offset = scroll_handle.offset();
+                            scroll_handle.set_offset(
+                                current_offset + event.delta.pixel_delta(window.line_height()),
+                            );
+                        }
                     }
                 }
             });
@@ -376,6 +452,8 @@ impl Element for Scrollbar {
                 let state = self.state.clone();
                 move |event: &MouseMoveEvent, phase, window, cx| {
                     if phase.bubble() {
+                        state.unhide(&event.position, cx);
+
                         match state.thumb_state.get() {
                             ThumbState::Dragging(drag_state) if event.dragging() => {
                                 let scroll_handle = state.scroll_handle();
diff --git a/crates/ui/src/components/sticky_items.rs b/crates/ui/src/components/sticky_items.rs
index ca8b336a5a..bf64622b29 100644
--- a/crates/ui/src/components/sticky_items.rs
+++ b/crates/ui/src/components/sticky_items.rs
@@ -28,7 +28,7 @@ where
     T: StickyCandidate + Clone + 'static,
 {
     let entity_compute = entity.clone();
-    let entity_render = entity.clone();
+    let entity_render = entity;
 
     let compute_fn = Rc::new(
         move |range: Range<usize>, window: &mut Window, cx: &mut App| -> SmallVec<[T; 8]> {
@@ -105,7 +105,6 @@ impl Element for StickyItemsElement {
         _window: &mut Window,
         _cx: &mut App,
     ) -> Self::PrepaintState {
-        ()
     }
 
     fn paint(
diff --git a/crates/ui/src/components/stories/icon_button.rs b/crates/ui/src/components/stories/icon_button.rs
index e787e81b55..166297eabc 100644
--- a/crates/ui/src/components/stories/icon_button.rs
+++ b/crates/ui/src/components/stories/icon_button.rs
@@ -77,7 +77,7 @@ impl Render for IconButtonStory {
 
         let with_tooltip_button = StoryItem::new(
             "With `tooltip`",
-            IconButton::new("with_tooltip_button", IconName::MessageBubbles)
+            IconButton::new("with_tooltip_button", IconName::Chat)
                 .tooltip(Tooltip::text("Open messages")),
         )
         .description("Displays an icon button that has a tooltip when hovered.")
@@ -90,7 +90,7 @@ impl Render for IconButtonStory {
 
         let selected_with_tooltip_button = StoryItem::new(
             "Selected with `tooltip`",
-            IconButton::new("selected_with_tooltip_button", IconName::InlayHint)
+            IconButton::new("selected_with_tooltip_button", IconName::CaseSensitive)
                 .toggle_state(true)
                 .tooltip(Tooltip::text("Toggle inlay hints")),
         )
diff --git a/crates/ui/src/components/tab.rs b/crates/ui/src/components/tab.rs
index a205c33358..e6823f46b7 100644
--- a/crates/ui/src/components/tab.rs
+++ b/crates/ui/src/components/tab.rs
@@ -5,6 +5,9 @@ use smallvec::SmallVec;
 
 use crate::prelude::*;
 
+const START_TAB_SLOT_SIZE: Pixels = px(12.);
+const END_TAB_SLOT_SIZE: Pixels = px(14.);
+
 /// The position of a [`Tab`] within a list of tabs.
 #[derive(Debug, PartialEq, Eq, Clone, Copy)]
 pub enum TabPosition {
@@ -123,12 +126,12 @@ impl RenderOnce for Tab {
 
         let (start_slot, end_slot) = {
             let start_slot = h_flex()
-                .size(px(12.)) // use px over rem from size_3
+                .size(START_TAB_SLOT_SIZE)
                 .justify_center()
                 .children(self.start_slot);
 
             let end_slot = h_flex()
-                .size(px(12.)) // use px over rem from size_3
+                .size(END_TAB_SLOT_SIZE)
                 .justify_center()
                 .children(self.end_slot);
 
@@ -179,7 +182,7 @@ impl RenderOnce for Tab {
 
 impl Component for Tab {
     fn scope() -> ComponentScope {
-        ComponentScope::None
+        ComponentScope::Navigation
     }
 
     fn description() -> Option<&'static str> {
diff --git a/crates/ui/src/components/theme_preview.rs b/crates/ui/src/components/theme_preview.rs
deleted file mode 100644
index d2ff778279..0000000000
--- a/crates/ui/src/components/theme_preview.rs
+++ /dev/null
@@ -1,294 +0,0 @@
-use crate::{component_prelude::Documented, prelude::*, utils::inner_corner_radius};
-use gpui::{App, ClickEvent, Hsla, IntoElement, Length, RenderOnce, Window};
-use std::{rc::Rc, sync::Arc};
-use theme::{Theme, ThemeRegistry};
-
-/// Shows a preview of a theme as an abstract illustration
-/// of a thumbnail-sized editor.
-#[derive(IntoElement, RegisterComponent, Documented)]
-pub struct ThemePreviewTile {
-    theme: Arc<Theme>,
-    selected: bool,
-    on_click: Option<Rc<dyn Fn(&ClickEvent, &mut Window, &mut App)>>,
-    seed: f32,
-}
-
-impl ThemePreviewTile {
-    pub fn new(theme: Arc<Theme>, selected: bool, seed: f32) -> Self {
-        Self {
-            theme,
-            seed,
-            selected,
-            on_click: None,
-        }
-    }
-
-    pub fn selected(mut self, selected: bool) -> Self {
-        self.selected = selected;
-        self
-    }
-
-    pub fn on_click(
-        mut self,
-        listener: impl Fn(&ClickEvent, &mut Window, &mut App) + 'static,
-    ) -> Self {
-        self.on_click = Some(Rc::new(listener));
-        self
-    }
-}
-
-impl RenderOnce for ThemePreviewTile {
-    fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement {
-        let color = self.theme.colors();
-
-        let root_radius = px(8.0);
-        let root_border = px(2.0);
-        let root_padding = px(2.0);
-        let child_border = px(1.0);
-        let inner_radius =
-            inner_corner_radius(root_radius, root_border, root_padding, child_border);
-
-        let item_skeleton = |w: Length, h: Pixels, bg: Hsla| div().w(w).h(h).rounded_full().bg(bg);
-
-        let skeleton_height = px(4.);
-
-        let sidebar_seeded_width = |seed: f32, index: usize| {
-            let value = (seed * 1000.0 + index as f32 * 10.0).sin() * 0.5 + 0.5;
-            0.5 + value * 0.45
-        };
-
-        let sidebar_skeleton_items = 8;
-
-        let sidebar_skeleton = (0..sidebar_skeleton_items)
-            .map(|i| {
-                let width = sidebar_seeded_width(self.seed, i);
-                item_skeleton(
-                    relative(width).into(),
-                    skeleton_height,
-                    color.text.alpha(0.45),
-                )
-            })
-            .collect::<Vec<_>>();
-
-        let sidebar = div()
-            .h_full()
-            .w(relative(0.25))
-            .border_r(px(1.))
-            .border_color(color.border_transparent)
-            .bg(color.panel_background)
-            .child(
-                div()
-                    .p_2()
-                    .flex()
-                    .flex_col()
-                    .size_full()
-                    .gap(px(4.))
-                    .children(sidebar_skeleton),
-            );
-
-        let pseudo_code_skeleton = |theme: Arc<Theme>, seed: f32| -> AnyElement {
-            let colors = theme.colors();
-            let syntax = theme.syntax();
-
-            let keyword_color = syntax.get("keyword").color;
-            let function_color = syntax.get("function").color;
-            let string_color = syntax.get("string").color;
-            let comment_color = syntax.get("comment").color;
-            let variable_color = syntax.get("variable").color;
-            let type_color = syntax.get("type").color;
-            let punctuation_color = syntax.get("punctuation").color;
-
-            let syntax_colors = [
-                keyword_color,
-                function_color,
-                string_color,
-                variable_color,
-                type_color,
-                punctuation_color,
-                comment_color,
-            ];
-
-            let line_width = |line_idx: usize, block_idx: usize| -> f32 {
-                let val = (seed * 100.0 + line_idx as f32 * 20.0 + block_idx as f32 * 5.0).sin()
-                    * 0.5
-                    + 0.5;
-                0.05 + val * 0.2
-            };
-
-            let indentation = |line_idx: usize| -> f32 {
-                let step = line_idx % 6;
-                if step < 3 {
-                    step as f32 * 0.1
-                } else {
-                    (5 - step) as f32 * 0.1
-                }
-            };
-
-            let pick_color = |line_idx: usize, block_idx: usize| -> Hsla {
-                let idx = ((seed * 10.0 + line_idx as f32 * 7.0 + block_idx as f32 * 3.0).sin()
-                    * 3.5)
-                    .abs() as usize
-                    % syntax_colors.len();
-                syntax_colors[idx].unwrap_or(colors.text)
-            };
-
-            let line_count = 13;
-
-            let lines = (0..line_count)
-                .map(|line_idx| {
-                    let block_count = (((seed * 30.0 + line_idx as f32 * 12.0).sin() * 0.5 + 0.5)
-                        * 3.0)
-                        .round() as usize
-                        + 2;
-
-                    let indent = indentation(line_idx);
-
-                    let blocks = (0..block_count)
-                        .map(|block_idx| {
-                            let width = line_width(line_idx, block_idx);
-                            let color = pick_color(line_idx, block_idx);
-                            item_skeleton(relative(width).into(), skeleton_height, color)
-                        })
-                        .collect::<Vec<_>>();
-
-                    h_flex().gap(px(2.)).ml(relative(indent)).children(blocks)
-                })
-                .collect::<Vec<_>>();
-
-            v_flex()
-                .size_full()
-                .p_1()
-                .gap(px(6.))
-                .children(lines)
-                .into_any_element()
-        };
-
-        let pane = div()
-            .h_full()
-            .flex_grow()
-            .flex()
-            .flex_col()
-            // .child(
-            //     div()
-            //         .w_full()
-            //         .border_color(color.border)
-            //         .border_b(px(1.))
-            //         .h(relative(0.1))
-            //         .bg(color.tab_bar_background),
-            // )
-            .child(
-                div()
-                    .size_full()
-                    .overflow_hidden()
-                    .bg(color.editor_background)
-                    .p_2()
-                    .child(pseudo_code_skeleton(self.theme.clone(), self.seed)),
-            );
-
-        let content = div().size_full().flex().child(sidebar).child(pane);
-
-        div()
-            // Note: If two theme preview tiles are rendering the same theme they'll share an ID
-            // this will mean on hover and on click events will be shared between them
-            .id(SharedString::from(self.theme.id.clone()))
-            .when_some(self.on_click.clone(), |this, on_click| {
-                this.on_click(move |event, window, cx| on_click(event, window, cx))
-                    .hover(|style| style.cursor_pointer().border_color(color.element_hover))
-            })
-            .size_full()
-            .rounded(root_radius)
-            .p(root_padding)
-            .border(root_border)
-            .border_color(color.border_transparent)
-            .when(self.selected, |this| {
-                this.border_color(color.border_selected)
-            })
-            .child(
-                div()
-                    .size_full()
-                    .rounded(inner_radius)
-                    .border(child_border)
-                    .border_color(color.border)
-                    .bg(color.background)
-                    .child(content),
-            )
-    }
-}
-
-impl Component for ThemePreviewTile {
-    fn description() -> Option<&'static str> {
-        Some(Self::DOCS)
-    }
-
-    fn preview(_window: &mut Window, cx: &mut App) -> Option<AnyElement> {
-        let theme_registry = ThemeRegistry::global(cx);
-
-        let one_dark = theme_registry.get("One Dark");
-        let one_light = theme_registry.get("One Light");
-        let gruvbox_dark = theme_registry.get("Gruvbox Dark");
-        let gruvbox_light = theme_registry.get("Gruvbox Light");
-
-        let themes_to_preview = vec![
-            one_dark.clone().ok(),
-            one_light.clone().ok(),
-            gruvbox_dark.clone().ok(),
-            gruvbox_light.clone().ok(),
-        ]
-        .into_iter()
-        .flatten()
-        .collect::<Vec<_>>();
-
-        Some(
-            v_flex()
-                .gap_6()
-                .p_4()
-                .children({
-                    if let Some(one_dark) = one_dark.ok() {
-                        vec![example_group(vec![
-                            single_example(
-                                "Default",
-                                div()
-                                    .w(px(240.))
-                                    .h(px(180.))
-                                    .child(ThemePreviewTile::new(one_dark.clone(), false, 0.42))
-                                    .into_any_element(),
-                            ),
-                            single_example(
-                                "Selected",
-                                div()
-                                    .w(px(240.))
-                                    .h(px(180.))
-                                    .child(ThemePreviewTile::new(one_dark, true, 0.42))
-                                    .into_any_element(),
-                            ),
-                        ])]
-                    } else {
-                        vec![]
-                    }
-                })
-                .child(
-                    example_group(vec![single_example(
-                        "Default Themes",
-                        h_flex()
-                            .gap_4()
-                            .children(
-                                themes_to_preview
-                                    .iter()
-                                    .enumerate()
-                                    .map(|(_, theme)| {
-                                        div().w(px(200.)).h(px(140.)).child(ThemePreviewTile::new(
-                                            theme.clone(),
-                                            false,
-                                            0.42,
-                                        ))
-                                    })
-                                    .collect::<Vec<_>>(),
-                            )
-                            .into_any_element(),
-                    )])
-                    .grow(),
-                )
-                .into_any_element(),
-        )
-    }
-}
diff --git a/crates/ui/src/components/toggle.rs b/crates/ui/src/components/toggle.rs
index daa8aa7fbe..2ca635c05b 100644
--- a/crates/ui/src/components/toggle.rs
+++ b/crates/ui/src/components/toggle.rs
@@ -2,10 +2,10 @@ use gpui::{
     AnyElement, AnyView, ClickEvent, ElementId, Hsla, IntoElement, Styled, Window, div, hsla,
     prelude::*,
 };
-use std::sync::Arc;
+use std::{rc::Rc, sync::Arc};
 
 use crate::utils::is_light;
-use crate::{Color, Icon, IconName, ToggleState};
+use crate::{Color, Icon, IconName, ToggleState, Tooltip};
 use crate::{ElevationIndex, KeyBinding, prelude::*};
 
 // TODO: Checkbox, CheckboxWithLabel, and Switch could all be
@@ -420,10 +420,11 @@ pub struct Switch {
     id: ElementId,
     toggle_state: ToggleState,
     disabled: bool,
-    on_click: Option<Box<dyn Fn(&ToggleState, &mut Window, &mut App) + 'static>>,
+    on_click: Option<Rc<dyn Fn(&ToggleState, &mut Window, &mut App) + 'static>>,
     label: Option<SharedString>,
     key_binding: Option<KeyBinding>,
     color: SwitchColor,
+    tab_index: Option<isize>,
 }
 
 impl Switch {
@@ -437,6 +438,7 @@ impl Switch {
             label: None,
             key_binding: None,
             color: SwitchColor::default(),
+            tab_index: None,
         }
     }
 
@@ -457,7 +459,7 @@ impl Switch {
         mut self,
         handler: impl Fn(&ToggleState, &mut Window, &mut App) + 'static,
     ) -> Self {
-        self.on_click = Some(Box::new(handler));
+        self.on_click = Some(Rc::new(handler));
         self
     }
 
@@ -472,6 +474,11 @@ impl Switch {
         self.key_binding = key_binding.into();
         self
     }
+
+    pub fn tab_index(mut self, tab_index: impl Into<isize>) -> Self {
+        self.tab_index = Some(tab_index.into());
+        self
+    }
 }
 
 impl RenderOnce for Switch {
@@ -497,29 +504,52 @@ impl RenderOnce for Switch {
 
         let group_id = format!("switch_group_{:?}", self.id);
 
-        let switch = h_flex()
-            .w(DynamicSpacing::Base32.rems(cx))
-            .h(DynamicSpacing::Base20.rems(cx))
-            .group(group_id.clone())
+        let switch = div()
+            .id((self.id.clone(), "switch"))
+            .p(px(1.0))
+            .border_2()
+            .border_color(cx.theme().colors().border_transparent)
+            .rounded_full()
+            .when_some(
+                self.tab_index.filter(|_| !self.disabled),
+                |this, tab_index| {
+                    this.tab_index(tab_index)
+                        .focus(|mut style| {
+                            style.border_color = Some(cx.theme().colors().border_focused);
+                            style
+                        })
+                        .when_some(self.on_click.clone(), |this, on_click| {
+                            this.on_click(move |_, window, cx| {
+                                on_click(&self.toggle_state.inverse(), window, cx)
+                            })
+                        })
+                },
+            )
             .child(
                 h_flex()
-                    .when(is_on, |on| on.justify_end())
-                    .when(!is_on, |off| off.justify_start())
-                    .size_full()
-                    .rounded_full()
-                    .px(DynamicSpacing::Base02.px(cx))
-                    .bg(bg_color)
-                    .when(!self.disabled, |this| {
-                        this.group_hover(group_id.clone(), |el| el.bg(bg_hover_color))
-                    })
-                    .border_1()
-                    .border_color(border_color)
+                    .w(DynamicSpacing::Base32.rems(cx))
+                    .h(DynamicSpacing::Base20.rems(cx))
+                    .group(group_id.clone())
                     .child(
-                        div()
-                            .size(DynamicSpacing::Base12.rems(cx))
+                        h_flex()
+                            .when(is_on, |on| on.justify_end())
+                            .when(!is_on, |off| off.justify_start())
+                            .size_full()
                             .rounded_full()
-                            .bg(thumb_color)
-                            .opacity(thumb_opacity),
+                            .px(DynamicSpacing::Base02.px(cx))
+                            .bg(bg_color)
+                            .when(!self.disabled, |this| {
+                                this.group_hover(group_id.clone(), |el| el.bg(bg_hover_color))
+                            })
+                            .border_1()
+                            .border_color(border_color)
+                            .child(
+                                div()
+                                    .size(DynamicSpacing::Base12.rems(cx))
+                                    .rounded_full()
+                                    .bg(thumb_color)
+                                    .opacity(thumb_opacity),
+                            ),
                     ),
             );
 
@@ -566,32 +596,41 @@ impl RenderOnce for Switch {
 pub struct SwitchField {
     id: ElementId,
     label: SharedString,
-    description: SharedString,
+    description: Option<SharedString>,
     toggle_state: ToggleState,
     on_click: Arc<dyn Fn(&ToggleState, &mut Window, &mut App) + 'static>,
     disabled: bool,
     color: SwitchColor,
+    tooltip: Option<Rc<dyn Fn(&mut Window, &mut App) -> AnyView>>,
+    tab_index: Option<isize>,
 }
 
 impl SwitchField {
     pub fn new(
         id: impl Into<ElementId>,
         label: impl Into<SharedString>,
-        description: impl Into<SharedString>,
+        description: Option<SharedString>,
         toggle_state: impl Into<ToggleState>,
         on_click: impl Fn(&ToggleState, &mut Window, &mut App) + 'static,
     ) -> Self {
         Self {
             id: id.into(),
             label: label.into(),
-            description: description.into(),
+            description,
             toggle_state: toggle_state.into(),
             on_click: Arc::new(on_click),
             disabled: false,
             color: SwitchColor::Accent,
+            tooltip: None,
+            tab_index: None,
         }
     }
 
+    pub fn description(mut self, description: impl Into<SharedString>) -> Self {
+        self.description = Some(description.into());
+        self
+    }
+
     pub fn disabled(mut self, disabled: bool) -> Self {
         self.disabled = disabled;
         self
@@ -603,12 +642,40 @@ impl SwitchField {
         self.color = color;
         self
     }
+
+    pub fn tooltip(mut self, tooltip: impl Fn(&mut Window, &mut App) -> AnyView + 'static) -> Self {
+        self.tooltip = Some(Rc::new(tooltip));
+        self
+    }
+
+    pub fn tab_index(mut self, tab_index: isize) -> Self {
+        self.tab_index = Some(tab_index);
+        self
+    }
 }
 
 impl RenderOnce for SwitchField {
     fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement {
+        let tooltip = self.tooltip.map(|tooltip_fn| {
+            h_flex()
+                .gap_0p5()
+                .child(Label::new(self.label.clone()))
+                .child(
+                    IconButton::new("tooltip_button", IconName::Info)
+                        .icon_size(IconSize::XSmall)
+                        .icon_color(Color::Muted)
+                        .shape(crate::IconButtonShape::Square)
+                        .style(ButtonStyle::Transparent)
+                        .tooltip({
+                            let tooltip = tooltip_fn.clone();
+                            move |window, cx| tooltip(window, cx)
+                        })
+                        .on_click(|_, _, _| {}), // Intentional empty on click handler so that clicking on the info tooltip icon doesn't trigger the switch toggle
+                )
+        });
+
         h_flex()
-            .id(SharedString::from(format!("{}-container", self.id)))
+            .id((self.id.clone(), "container"))
             .when(!self.disabled, |this| {
                 this.hover(|this| this.cursor_pointer())
             })
@@ -616,26 +683,36 @@ impl RenderOnce for SwitchField {
             .gap_4()
             .justify_between()
             .flex_wrap()
-            .child(
-                v_flex()
+            .child(match (&self.description, tooltip) {
+                (Some(description), Some(tooltip)) => v_flex()
                     .gap_0p5()
                     .max_w_5_6()
-                    .child(Label::new(self.label))
-                    .child(Label::new(self.description).color(Color::Muted)),
-            )
+                    .child(tooltip)
+                    .child(Label::new(description.clone()).color(Color::Muted))
+                    .into_any_element(),
+                (Some(description), None) => v_flex()
+                    .gap_0p5()
+                    .max_w_5_6()
+                    .child(Label::new(self.label.clone()))
+                    .child(Label::new(description.clone()).color(Color::Muted))
+                    .into_any_element(),
+                (None, Some(tooltip)) => tooltip.into_any_element(),
+                (None, None) => Label::new(self.label.clone()).into_any_element(),
+            })
             .child(
-                Switch::new(
-                    SharedString::from(format!("{}-switch", self.id)),
-                    self.toggle_state,
-                )
-                .color(self.color)
-                .disabled(self.disabled)
-                .on_click({
-                    let on_click = self.on_click.clone();
-                    move |state, window, cx| {
-                        (on_click)(state, window, cx);
-                    }
-                }),
+                Switch::new((self.id.clone(), "switch"), self.toggle_state)
+                    .color(self.color)
+                    .disabled(self.disabled)
+                    .when_some(
+                        self.tab_index.filter(|_| !self.disabled),
+                        |this, tab_index| this.tab_index(tab_index),
+                    )
+                    .on_click({
+                        let on_click = self.on_click.clone();
+                        move |state, window, cx| {
+                            (on_click)(state, window, cx);
+                        }
+                    }),
             )
             .when(!self.disabled, |this| {
                 this.on_click({
@@ -671,7 +748,7 @@ impl Component for SwitchField {
                                 SwitchField::new(
                                     "switch_field_unselected",
                                     "Enable notifications",
-                                    "Receive notifications when new messages arrive.",
+                                    Some("Receive notifications when new messages arrive.".into()),
                                     ToggleState::Unselected,
                                     |_, _, _| {},
                                 )
@@ -682,7 +759,7 @@ impl Component for SwitchField {
                                 SwitchField::new(
                                     "switch_field_selected",
                                     "Enable notifications",
-                                    "Receive notifications when new messages arrive.",
+                                    Some("Receive notifications when new messages arrive.".into()),
                                     ToggleState::Selected,
                                     |_, _, _| {},
                                 )
@@ -698,7 +775,7 @@ impl Component for SwitchField {
                                 SwitchField::new(
                                     "switch_field_default",
                                     "Default color",
-                                    "This uses the default switch color.",
+                                    Some("This uses the default switch color.".into()),
                                     ToggleState::Selected,
                                     |_, _, _| {},
                                 )
@@ -709,7 +786,7 @@ impl Component for SwitchField {
                                 SwitchField::new(
                                     "switch_field_accent",
                                     "Accent color",
-                                    "This uses the accent color scheme.",
+                                    Some("This uses the accent color scheme.".into()),
                                     ToggleState::Selected,
                                     |_, _, _| {},
                                 )
@@ -725,7 +802,7 @@ impl Component for SwitchField {
                             SwitchField::new(
                                 "switch_field_disabled",
                                 "Disabled field",
-                                "This field is disabled and cannot be toggled.",
+                                Some("This field is disabled and cannot be toggled.".into()),
                                 ToggleState::Selected,
                                 |_, _, _| {},
                             )
@@ -733,6 +810,49 @@ impl Component for SwitchField {
                             .into_any_element(),
                         )],
                     ),
+                    example_group_with_title(
+                        "No Description",
+                        vec![single_example(
+                            "No Description",
+                            SwitchField::new(
+                                "switch_field_disabled",
+                                "Disabled field",
+                                None,
+                                ToggleState::Selected,
+                                |_, _, _| {},
+                            )
+                            .into_any_element(),
+                        )],
+                    ),
+                    example_group_with_title(
+                        "With Tooltip",
+                        vec![
+                            single_example(
+                                "Tooltip with Description",
+                                SwitchField::new(
+                                    "switch_field_tooltip_with_desc",
+                                    "Nice Feature",
+                                    Some("Enable advanced configuration options.".into()),
+                                    ToggleState::Unselected,
+                                    |_, _, _| {},
+                                )
+                                .tooltip(Tooltip::text("This is content for this tooltip!"))
+                                .into_any_element(),
+                            ),
+                            single_example(
+                                "Tooltip without Description",
+                                SwitchField::new(
+                                    "switch_field_tooltip_no_desc",
+                                    "Nice Feature",
+                                    None,
+                                    ToggleState::Selected,
+                                    |_, _, _| {},
+                                )
+                                .tooltip(Tooltip::text("This is content for this tooltip!"))
+                                .into_any_element(),
+                            ),
+                        ],
+                    ),
                 ])
                 .into_any_element(),
         )
diff --git a/crates/ui/src/components/tooltip.rs b/crates/ui/src/components/tooltip.rs
index ed0fdd0114..65ed2f2b68 100644
--- a/crates/ui/src/components/tooltip.rs
+++ b/crates/ui/src/components/tooltip.rs
@@ -175,7 +175,7 @@ impl Tooltip {
         move |_, cx| {
             let title = title.clone();
             cx.new(|_| Self {
-                title: title,
+                title,
                 meta: None,
                 key_binding: None,
             })
diff --git a/crates/ui/src/prelude.rs b/crates/ui/src/prelude.rs
index 80f8f863f8..0357e498bb 100644
--- a/crates/ui/src/prelude.rs
+++ b/crates/ui/src/prelude.rs
@@ -14,7 +14,9 @@ pub use ui_macros::RegisterComponent;
 
 pub use crate::DynamicSpacing;
 pub use crate::animation::{AnimationDirection, AnimationDuration, DefaultAnimations};
-pub use crate::styles::{PlatformStyle, StyledTypography, TextSize, rems_from_px, vh, vw};
+pub use crate::styles::{
+    PlatformStyle, Severity, StyledTypography, TextSize, rems_from_px, vh, vw,
+};
 pub use crate::traits::clickable::*;
 pub use crate::traits::disableable::*;
 pub use crate::traits::fixed::*;
diff --git a/crates/ui/src/styles.rs b/crates/ui/src/styles.rs
index af6ab57029..bc2399f54b 100644
--- a/crates/ui/src/styles.rs
+++ b/crates/ui/src/styles.rs
@@ -3,6 +3,7 @@ mod appearance;
 mod color;
 mod elevation;
 mod platform;
+mod severity;
 mod spacing;
 mod typography;
 mod units;
@@ -11,6 +12,7 @@ pub use appearance::*;
 pub use color::*;
 pub use elevation::*;
 pub use platform::*;
+pub use severity::*;
 pub use spacing::*;
 pub use typography::*;
 pub use units::*;
diff --git a/crates/ui/src/styles/animation.rs b/crates/ui/src/styles/animation.rs
index 0649bee1f8..acea834548 100644
--- a/crates/ui/src/styles/animation.rs
+++ b/crates/ui/src/styles/animation.rs
@@ -31,7 +31,7 @@ pub enum AnimationDirection {
     FromTop,
 }
 
-pub trait DefaultAnimations: Styled + Sized {
+pub trait DefaultAnimations: Styled + Sized + Element {
     fn animate_in(
         self,
         animation_type: AnimationDirection,
@@ -44,8 +44,13 @@ pub trait DefaultAnimations: Styled + Sized {
             AnimationDirection::FromTop => "animate_from_top",
         };
 
+        let animation_id = self.id().map_or_else(
+            || ElementId::from(animation_name),
+            |id| (id, animation_name).into(),
+        );
+
         self.with_animation(
-            animation_name,
+            animation_id,
             gpui::Animation::new(AnimationDuration::Fast.into()).with_easing(ease_out_quint()),
             move |mut this, delta| {
                 let start_opacity = 0.4;
@@ -91,7 +96,7 @@ pub trait DefaultAnimations: Styled + Sized {
     }
 }
 
-impl<E: Styled> DefaultAnimations for E {}
+impl<E: Styled + Element> DefaultAnimations for E {}
 
 // Don't use this directly, it only exists to show animation previews
 #[derive(RegisterComponent)]
@@ -99,7 +104,7 @@ struct Animation {}
 
 impl Component for Animation {
     fn scope() -> ComponentScope {
-        ComponentScope::None
+        ComponentScope::Utilities
     }
 
     fn description() -> Option<&'static str> {
@@ -132,7 +137,7 @@ impl Component for Animation {
                                             .left(px(offset))
                                             .rounded_md()
                                             .bg(gpui::red())
-                                            .animate_in(AnimationDirection::FromBottom, false),
+                                            .animate_in_from_bottom(false),
                                     )
                                     .into_any_element(),
                             ),
@@ -151,7 +156,7 @@ impl Component for Animation {
                                             .left(px(offset))
                                             .rounded_md()
                                             .bg(gpui::blue())
-                                            .animate_in(AnimationDirection::FromTop, false),
+                                            .animate_in_from_top(false),
                                     )
                                     .into_any_element(),
                             ),
@@ -170,7 +175,7 @@ impl Component for Animation {
                                             .top(px(offset))
                                             .rounded_md()
                                             .bg(gpui::green())
-                                            .animate_in(AnimationDirection::FromLeft, false),
+                                            .animate_in_from_left(false),
                                     )
                                     .into_any_element(),
                             ),
@@ -189,7 +194,7 @@ impl Component for Animation {
                                             .top(px(offset))
                                             .rounded_md()
                                             .bg(gpui::yellow())
-                                            .animate_in(AnimationDirection::FromRight, false),
+                                            .animate_in_from_right(false),
                                     )
                                     .into_any_element(),
                             ),
@@ -214,7 +219,7 @@ impl Component for Animation {
                                             .left(px(offset))
                                             .rounded_md()
                                             .bg(gpui::red())
-                                            .animate_in(AnimationDirection::FromBottom, true),
+                                            .animate_in_from_bottom(true),
                                     )
                                     .into_any_element(),
                             ),
@@ -233,7 +238,7 @@ impl Component for Animation {
                                             .left(px(offset))
                                             .rounded_md()
                                             .bg(gpui::blue())
-                                            .animate_in(AnimationDirection::FromTop, true),
+                                            .animate_in_from_top(true),
                                     )
                                     .into_any_element(),
                             ),
@@ -252,7 +257,7 @@ impl Component for Animation {
                                             .top(px(offset))
                                             .rounded_md()
                                             .bg(gpui::green())
-                                            .animate_in(AnimationDirection::FromLeft, true),
+                                            .animate_in_from_left(true),
                                     )
                                     .into_any_element(),
                             ),
@@ -271,7 +276,7 @@ impl Component for Animation {
                                             .top(px(offset))
                                             .rounded_md()
                                             .bg(gpui::yellow())
-                                            .animate_in(AnimationDirection::FromRight, true),
+                                            .animate_in_from_right(true),
                                     )
                                     .into_any_element(),
                             ),
diff --git a/crates/ui/src/styles/color.rs b/crates/ui/src/styles/color.rs
index c7b995d39a..586b2ccc57 100644
--- a/crates/ui/src/styles/color.rs
+++ b/crates/ui/src/styles/color.rs
@@ -126,7 +126,7 @@ impl From<Hsla> for Color {
 
 impl Component for Color {
     fn scope() -> ComponentScope {
-        ComponentScope::None
+        ComponentScope::Utilities
     }
 
     fn description() -> Option<&'static str> {
diff --git a/crates/ui/src/styles/severity.rs b/crates/ui/src/styles/severity.rs
new file mode 100644
index 0000000000..464f835186
--- /dev/null
+++ b/crates/ui/src/styles/severity.rs
@@ -0,0 +1,10 @@
+/// Severity levels that determine the style of the component.
+/// Usually, it affects the background. Most of the time,
+/// it also follows with an icon corresponding the severity level.
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum Severity {
+    Info,
+    Success,
+    Warning,
+    Error,
+}
diff --git a/crates/ui/src/traits/fixed.rs b/crates/ui/src/traits/fixed.rs
index 9ba64da090..6ca9c8617f 100644
--- a/crates/ui/src/traits/fixed.rs
+++ b/crates/ui/src/traits/fixed.rs
@@ -3,7 +3,7 @@ use gpui::DefiniteLength;
 /// A trait for elements that can have a fixed with. Enables the use of the `width` and `full_width` methods.
 pub trait FixedWidth {
     /// Sets the width of the element.
-    fn width(self, width: DefiniteLength) -> Self;
+    fn width(self, width: impl Into<DefiniteLength>) -> Self;
 
     /// Sets the element's width to the full width of its container.
     fn full_width(self) -> Self;
diff --git a/crates/ui/src/utils.rs b/crates/ui/src/utils.rs
index 26a59001f6..cd7d8eb497 100644
--- a/crates/ui/src/utils.rs
+++ b/crates/ui/src/utils.rs
@@ -3,12 +3,14 @@
 use gpui::App;
 use theme::ActiveTheme;
 
+mod apca_contrast;
 mod color_contrast;
 mod corner_solver;
 mod format_distance;
 mod search_input;
 mod with_rem_size;
 
+pub use apca_contrast::*;
 pub use color_contrast::*;
 pub use corner_solver::{CornerSolver, inner_corner_radius};
 pub use format_distance::*;
diff --git a/crates/terminal_view/src/color_contrast.rs b/crates/ui/src/utils/apca_contrast.rs
similarity index 99%
rename from crates/terminal_view/src/color_contrast.rs
rename to crates/ui/src/utils/apca_contrast.rs
index fe4a881cea..522dca3e91 100644
--- a/crates/terminal_view/src/color_contrast.rs
+++ b/crates/ui/src/utils/apca_contrast.rs
@@ -235,12 +235,10 @@ fn adjust_lightness_for_contrast(
             } else {
                 high = mid;
             }
+        } else if should_go_darker {
+            high = mid;
         } else {
-            if should_go_darker {
-                high = mid;
-            } else {
-                low = mid;
-            }
+            low = mid;
         }
 
         // If we're close enough to the target, stop
diff --git a/crates/ui/src/utils/format_distance.rs b/crates/ui/src/utils/format_distance.rs
index 213d9c8b4c..6ec497edee 100644
--- a/crates/ui/src/utils/format_distance.rs
+++ b/crates/ui/src/utils/format_distance.rs
@@ -13,9 +13,9 @@ impl DateTimeType {
     ///
     /// If the [`DateTimeType`] is already a [`NaiveDateTime`], it will be returned as is.
     /// If the [`DateTimeType`] is a [`DateTime<Local>`], it will be converted to a [`NaiveDateTime`].
-    pub fn to_naive(&self) -> NaiveDateTime {
+    pub fn to_naive(self) -> NaiveDateTime {
         match self {
-            DateTimeType::Naive(naive) => *naive,
+            DateTimeType::Naive(naive) => naive,
             DateTimeType::Local(local) => local.naive_local(),
         }
     }
@@ -159,7 +159,6 @@ fn distance_string(
         } else {
             format!("about {} hours", hours)
         }
-        .to_string()
     } else if distance < 172_800 {
         "1 day".to_string()
     } else if distance < 2_592_000 {
@@ -206,21 +205,16 @@ fn distance_string(
             } else {
                 format!("about {} years", years)
             }
-            .to_string()
         } else if remaining_months < 9 {
             if hide_prefix {
                 format!("{} years", years)
             } else {
                 format!("over {} years", years)
             }
-            .to_string()
+        } else if hide_prefix {
+            format!("{} years", years + 1)
         } else {
-            if hide_prefix {
-                format!("{} years", years + 1)
-            } else {
-                format!("almost {} years", years + 1)
-            }
-            .to_string()
+            format!("almost {} years", years + 1)
         }
     };
 
diff --git a/crates/ui_input/src/ui_input.rs b/crates/ui_input/src/ui_input.rs
index 309b3f62f6..02f8ef89f3 100644
--- a/crates/ui_input/src/ui_input.rs
+++ b/crates/ui_input/src/ui_input.rs
@@ -168,7 +168,7 @@ impl Render for SingleLineInput {
                     .py_1p5()
                     .flex_grow()
                     .text_color(style.text_color)
-                    .rounded_lg()
+                    .rounded_sm()
                     .bg(style.background_color)
                     .border_1()
                     .border_color(style.border_color)
@@ -202,11 +202,11 @@ impl Component for SingleLineInput {
                 .children(vec![example_group(vec![
                     single_example(
                         "Small Label (Default)",
-                        div().child(input_small.clone()).into_any_element(),
+                        div().child(input_small).into_any_element(),
                     ),
                     single_example(
                         "Regular Label",
-                        div().child(input_regular.clone()).into_any_element(),
+                        div().child(input_regular).into_any_element(),
                     ),
                 ])])
                 .into_any_element(),
diff --git a/crates/util/src/archive.rs b/crates/util/src/archive.rs
index d10b996716..9b58b16bed 100644
--- a/crates/util/src/archive.rs
+++ b/crates/util/src/archive.rs
@@ -2,6 +2,8 @@ use std::path::Path;
 
 use anyhow::{Context as _, Result};
 use async_zip::base::read;
+#[cfg(not(windows))]
+use futures::AsyncSeek;
 use futures::{AsyncRead, io::BufReader};
 
 #[cfg(windows)]
@@ -62,7 +64,15 @@ pub async fn extract_zip<R: AsyncRead + Unpin>(destination: &Path, reader: R) ->
     futures::io::copy(&mut BufReader::new(reader), &mut file)
         .await
         .context("saving archive contents into the temporary file")?;
-    let mut reader = read::seek::ZipFileReader::new(BufReader::new(file))
+    extract_seekable_zip(destination, file).await
+}
+
+#[cfg(not(windows))]
+pub async fn extract_seekable_zip<R: AsyncRead + AsyncSeek + Unpin>(
+    destination: &Path,
+    reader: R,
+) -> Result<()> {
+    let mut reader = read::seek::ZipFileReader::new(BufReader::new(reader))
         .await
         .context("reading the zip archive")?;
     let destination = &destination
@@ -144,7 +154,7 @@ mod tests {
                 let mut builder =
                     ZipEntryBuilder::new(filename.into(), async_zip::Compression::Deflate);
                 use std::os::unix::fs::PermissionsExt;
-                let metadata = std::fs::metadata(&path)?;
+                let metadata = std::fs::metadata(path)?;
                 let perms = metadata.permissions().mode() as u16;
                 builder = builder.unix_permissions(perms);
                 writer.write_entry_whole(builder, &data).await?;
diff --git a/crates/util/src/fs.rs b/crates/util/src/fs.rs
index 2738b6e213..60aab4a2e7 100644
--- a/crates/util/src/fs.rs
+++ b/crates/util/src/fs.rs
@@ -13,13 +13,13 @@ where
         while let Some(entry) = entries.next().await {
             if let Some(entry) = entry.log_err() {
                 let entry_path = entry.path();
-                if predicate(entry_path.as_path()) {
-                    if let Ok(metadata) = fs::metadata(&entry_path).await {
-                        if metadata.is_file() {
-                            fs::remove_file(&entry_path).await.log_err();
-                        } else {
-                            fs::remove_dir_all(&entry_path).await.log_err();
-                        }
+                if predicate(entry_path.as_path())
+                    && let Ok(metadata) = fs::metadata(&entry_path).await
+                {
+                    if metadata.is_file() {
+                        fs::remove_file(&entry_path).await.log_err();
+                    } else {
+                        fs::remove_dir_all(&entry_path).await.log_err();
                     }
                 }
             }
@@ -35,10 +35,10 @@ where
 
     if let Some(mut entries) = fs::read_dir(dir).await.log_err() {
         while let Some(entry) = entries.next().await {
-            if let Some(entry) = entry.log_err() {
-                if predicate(entry.path().as_path()) {
-                    matching.push(entry.path());
-                }
+            if let Some(entry) = entry.log_err()
+                && predicate(entry.path().as_path())
+            {
+                matching.push(entry.path());
             }
         }
     }
@@ -58,10 +58,9 @@ where
                 if let Some(file_name) = entry_path
                     .file_name()
                     .map(|file_name| file_name.to_string_lossy())
+                    && predicate(&file_name)
                 {
-                    if predicate(&file_name) {
-                        return Some(entry_path);
-                    }
+                    return Some(entry_path);
                 }
             }
         }
@@ -95,9 +94,9 @@ pub async fn move_folder_files_to_folder<P: AsRef<Path>>(
 #[cfg(unix)]
 /// Set the permissions for the given path so that the file becomes executable.
 /// This is a noop for non-unix platforms.
-pub async fn make_file_executable(path: &PathBuf) -> std::io::Result<()> {
+pub async fn make_file_executable(path: &Path) -> std::io::Result<()> {
     fs::set_permissions(
-        &path,
+        path,
         <fs::Permissions as fs::unix::PermissionsExt>::from_mode(0o755),
     )
     .await
@@ -107,6 +106,6 @@ pub async fn make_file_executable(path: &PathBuf) -> std::io::Result<()> {
 #[allow(clippy::unused_async)]
 /// Set the permissions for the given path so that the file becomes executable.
 /// This is a noop for non-unix platforms.
-pub async fn make_file_executable(_path: &PathBuf) -> std::io::Result<()> {
+pub async fn make_file_executable(_path: &Path) -> std::io::Result<()> {
     Ok(())
 }
diff --git a/crates/util/src/markdown.rs b/crates/util/src/markdown.rs
index 7e66ed7bae..303dbe0cf5 100644
--- a/crates/util/src/markdown.rs
+++ b/crates/util/src/markdown.rs
@@ -23,7 +23,7 @@ impl Display for MarkdownString {
 /// the other characters involved are escaped:
 ///
 /// * `!`, `]`, `(`, and `)` are used in link syntax, but `[` is escaped so these are parsed as
-/// plaintext.
+///   plaintext.
 ///
 /// * `;` is used in HTML entity syntax, but `&` is escaped, so they are parsed as plaintext.
 ///
diff --git a/crates/util/src/paths.rs b/crates/util/src/paths.rs
index 585f2b08aa..1192b14812 100644
--- a/crates/util/src/paths.rs
+++ b/crates/util/src/paths.rs
@@ -1,4 +1,8 @@
-use std::cmp;
+use globset::{Glob, GlobSet, GlobSetBuilder};
+use regex::Regex;
+use serde::{Deserialize, Serialize};
+use std::cmp::Ordering;
+use std::fmt::{Display, Formatter};
 use std::path::StripPrefixError;
 use std::sync::{Arc, OnceLock};
 use std::{
@@ -7,12 +11,6 @@ use std::{
     sync::LazyLock,
 };
 
-use globset::{Glob, GlobSet, GlobSetBuilder};
-use regex::Regex;
-use serde::{Deserialize, Serialize};
-
-use crate::NumericPrefixWithSuffix;
-
 /// Returns the path to the user's home directory.
 pub fn home_dir() -> &'static PathBuf {
     static HOME_DIR: OnceLock<PathBuf> = OnceLock::new();
@@ -116,10 +114,6 @@ impl SanitizedPath {
         &self.0
     }
 
-    pub fn to_string(&self) -> String {
-        self.0.to_string_lossy().to_string()
-    }
-
     pub fn to_glob_string(&self) -> String {
         #[cfg(target_os = "windows")]
         {
@@ -140,6 +134,12 @@ impl SanitizedPath {
     }
 }
 
+impl Display for SanitizedPath {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.0.display())
+    }
+}
+
 impl From<SanitizedPath> for Arc<Path> {
     fn from(sanitized_path: SanitizedPath) -> Self {
         sanitized_path.0
@@ -166,7 +166,7 @@ impl<T: AsRef<Path>> From<T> for SanitizedPath {
     }
 }
 
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub enum PathStyle {
     Posix,
     Windows,
@@ -223,12 +223,8 @@ impl RemotePathBuf {
         Self::new(path_buf, style)
     }
 
-    pub fn to_string(&self) -> String {
-        self.string.clone()
-    }
-
     #[cfg(target_os = "windows")]
-    pub fn to_proto(self) -> String {
+    pub fn to_proto(&self) -> String {
         match self.path_style() {
             PathStyle::Posix => self.to_string(),
             PathStyle::Windows => self.inner.to_string_lossy().replace('\\', "/"),
@@ -236,7 +232,7 @@ impl RemotePathBuf {
     }
 
     #[cfg(not(target_os = "windows"))]
-    pub fn to_proto(self) -> String {
+    pub fn to_proto(&self) -> String {
         match self.path_style() {
             PathStyle::Posix => self.inner.to_string_lossy().to_string(),
             PathStyle::Windows => self.to_string(),
@@ -258,6 +254,12 @@ impl RemotePathBuf {
     }
 }
 
+impl Display for RemotePathBuf {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.string)
+    }
+}
+
 /// A delimiter to use in `path_query:row_number:column_number` strings parsing.
 pub const FILE_ROW_COLUMN_DELIMITER: char = ':';
 
@@ -545,17 +547,172 @@ impl PathMatcher {
     }
 }
 
+/// Custom character comparison that prioritizes lowercase for same letters
+fn compare_chars(a: char, b: char) -> Ordering {
+    // First compare case-insensitive
+    match a.to_ascii_lowercase().cmp(&b.to_ascii_lowercase()) {
+        Ordering::Equal => {
+            // If same letter, prioritize lowercase (lowercase < uppercase)
+            match (a.is_ascii_lowercase(), b.is_ascii_lowercase()) {
+                (true, false) => Ordering::Less,    // lowercase comes first
+                (false, true) => Ordering::Greater, // uppercase comes after
+                _ => Ordering::Equal,               // both same case or both non-ascii
+            }
+        }
+        other => other,
+    }
+}
+
+/// Compares two sequences of consecutive digits for natural sorting.
+///
+/// This function is a core component of natural sorting that handles numeric comparison
+/// in a way that feels natural to humans. It extracts and compares consecutive digit
+/// sequences from two iterators, handling various cases like leading zeros and very large numbers.
+///
+/// # Behavior
+///
+/// The function implements the following comparison rules:
+/// 1. Different numeric values: Compares by actual numeric value (e.g., "2" < "10")
+/// 2. Leading zeros: When values are equal, longer sequence wins (e.g., "002" > "2")
+/// 3. Large numbers: Falls back to string comparison for numbers that would overflow u128
+///
+/// # Examples
+///
+/// ```text
+/// "1" vs "2"      -> Less       (different values)
+/// "2" vs "10"     -> Less       (numeric comparison)
+/// "002" vs "2"    -> Greater    (leading zeros)
+/// "10" vs "010"   -> Less       (leading zeros)
+/// "999..." vs "1000..." -> Less (large number comparison)
+/// ```
+///
+/// # Implementation Details
+///
+/// 1. Extracts consecutive digits into strings
+/// 2. Compares sequence lengths for leading zero handling
+/// 3. For equal lengths, compares digit by digit
+/// 4. For different lengths:
+///    - Attempts numeric comparison first (for numbers up to 2^128 - 1)
+///    - Falls back to string comparison if numbers would overflow
+///
+/// The function advances both iterators past their respective numeric sequences,
+/// regardless of the comparison result.
+fn compare_numeric_segments<I>(
+    a_iter: &mut std::iter::Peekable<I>,
+    b_iter: &mut std::iter::Peekable<I>,
+) -> Ordering
+where
+    I: Iterator<Item = char>,
+{
+    // Collect all consecutive digits into strings
+    let mut a_num_str = String::new();
+    let mut b_num_str = String::new();
+
+    while let Some(&c) = a_iter.peek() {
+        if !c.is_ascii_digit() {
+            break;
+        }
+
+        a_num_str.push(c);
+        a_iter.next();
+    }
+
+    while let Some(&c) = b_iter.peek() {
+        if !c.is_ascii_digit() {
+            break;
+        }
+
+        b_num_str.push(c);
+        b_iter.next();
+    }
+
+    // First compare lengths (handle leading zeros)
+    match a_num_str.len().cmp(&b_num_str.len()) {
+        Ordering::Equal => {
+            // Same length, compare digit by digit
+            match a_num_str.cmp(&b_num_str) {
+                Ordering::Equal => Ordering::Equal,
+                ordering => ordering,
+            }
+        }
+
+        // Different lengths but same value means leading zeros
+        ordering => {
+            // Try parsing as numbers first
+            if let (Ok(a_val), Ok(b_val)) = (a_num_str.parse::<u128>(), b_num_str.parse::<u128>()) {
+                match a_val.cmp(&b_val) {
+                    Ordering::Equal => ordering, // Same value, longer one is greater (leading zeros)
+                    ord => ord,
+                }
+            } else {
+                // If parsing fails (overflow), compare as strings
+                a_num_str.cmp(&b_num_str)
+            }
+        }
+    }
+}
+
+/// Performs natural sorting comparison between two strings.
+///
+/// Natural sorting is an ordering that handles numeric sequences in a way that matches human expectations.
+/// For example, "file2" comes before "file10" (unlike standard lexicographic sorting).
+///
+/// # Characteristics
+///
+/// * Case-sensitive with lowercase priority: When comparing same letters, lowercase comes before uppercase
+/// * Numbers are compared by numeric value, not character by character
+/// * Leading zeros affect ordering when numeric values are equal
+/// * Can handle numbers larger than u128::MAX (falls back to string comparison)
+///
+/// # Algorithm
+///
+/// The function works by:
+/// 1. Processing strings character by character
+/// 2. When encountering digits, treating consecutive digits as a single number
+/// 3. Comparing numbers by their numeric value rather than lexicographically
+/// 4. For non-numeric characters, using case-sensitive comparison with lowercase priority
+fn natural_sort(a: &str, b: &str) -> Ordering {
+    let mut a_iter = a.chars().peekable();
+    let mut b_iter = b.chars().peekable();
+
+    loop {
+        match (a_iter.peek(), b_iter.peek()) {
+            (None, None) => return Ordering::Equal,
+            (None, _) => return Ordering::Less,
+            (_, None) => return Ordering::Greater,
+            (Some(&a_char), Some(&b_char)) => {
+                if a_char.is_ascii_digit() && b_char.is_ascii_digit() {
+                    match compare_numeric_segments(&mut a_iter, &mut b_iter) {
+                        Ordering::Equal => continue,
+                        ordering => return ordering,
+                    }
+                } else {
+                    match compare_chars(a_char, b_char) {
+                        Ordering::Equal => {
+                            a_iter.next();
+                            b_iter.next();
+                        }
+                        ordering => return ordering,
+                    }
+                }
+            }
+        }
+    }
+}
+
 pub fn compare_paths(
     (path_a, a_is_file): (&Path, bool),
     (path_b, b_is_file): (&Path, bool),
-) -> cmp::Ordering {
+) -> Ordering {
     let mut components_a = path_a.components().peekable();
     let mut components_b = path_b.components().peekable();
+
     loop {
         match (components_a.next(), components_b.next()) {
             (Some(component_a), Some(component_b)) => {
                 let a_is_file = components_a.peek().is_none() && a_is_file;
                 let b_is_file = components_b.peek().is_none() && b_is_file;
+
                 let ordering = a_is_file.cmp(&b_is_file).then_with(|| {
                     let path_a = Path::new(component_a.as_os_str());
                     let path_string_a = if a_is_file {
@@ -564,9 +721,6 @@ pub fn compare_paths(
                         path_a.file_name()
                     }
                     .map(|s| s.to_string_lossy());
-                    let num_and_remainder_a = path_string_a
-                        .as_deref()
-                        .map(NumericPrefixWithSuffix::from_numeric_prefixed_str);
 
                     let path_b = Path::new(component_b.as_os_str());
                     let path_string_b = if b_is_file {
@@ -575,27 +729,32 @@ pub fn compare_paths(
                         path_b.file_name()
                     }
                     .map(|s| s.to_string_lossy());
-                    let num_and_remainder_b = path_string_b
-                        .as_deref()
-                        .map(NumericPrefixWithSuffix::from_numeric_prefixed_str);
 
-                    num_and_remainder_a.cmp(&num_and_remainder_b).then_with(|| {
+                    let compare_components = match (path_string_a, path_string_b) {
+                        (Some(a), Some(b)) => natural_sort(&a, &b),
+                        (Some(_), None) => Ordering::Greater,
+                        (None, Some(_)) => Ordering::Less,
+                        (None, None) => Ordering::Equal,
+                    };
+
+                    compare_components.then_with(|| {
                         if a_is_file && b_is_file {
                             let ext_a = path_a.extension().unwrap_or_default();
                             let ext_b = path_b.extension().unwrap_or_default();
                             ext_a.cmp(ext_b)
                         } else {
-                            cmp::Ordering::Equal
+                            Ordering::Equal
                         }
                     })
                 });
+
                 if !ordering.is_eq() {
                     return ordering;
                 }
             }
-            (Some(_), None) => break cmp::Ordering::Greater,
-            (None, Some(_)) => break cmp::Ordering::Less,
-            (None, None) => break cmp::Ordering::Equal,
+            (Some(_), None) => break Ordering::Greater,
+            (None, Some(_)) => break Ordering::Less,
+            (None, None) => break Ordering::Equal,
         }
     }
 }
@@ -1049,4 +1208,335 @@ mod tests {
             "C:\\Users\\someone\\test_file.rs"
         );
     }
+
+    #[test]
+    fn test_compare_numeric_segments() {
+        // Helper function to create peekable iterators and test
+        fn compare(a: &str, b: &str) -> Ordering {
+            let mut a_iter = a.chars().peekable();
+            let mut b_iter = b.chars().peekable();
+
+            let result = compare_numeric_segments(&mut a_iter, &mut b_iter);
+
+            // Verify iterators advanced correctly
+            assert!(
+                !a_iter.next().is_some_and(|c| c.is_ascii_digit()),
+                "Iterator a should have consumed all digits"
+            );
+            assert!(
+                !b_iter.next().is_some_and(|c| c.is_ascii_digit()),
+                "Iterator b should have consumed all digits"
+            );
+
+            result
+        }
+
+        // Basic numeric comparisons
+        assert_eq!(compare("0", "0"), Ordering::Equal);
+        assert_eq!(compare("1", "2"), Ordering::Less);
+        assert_eq!(compare("9", "10"), Ordering::Less);
+        assert_eq!(compare("10", "9"), Ordering::Greater);
+        assert_eq!(compare("99", "100"), Ordering::Less);
+
+        // Leading zeros
+        assert_eq!(compare("0", "00"), Ordering::Less);
+        assert_eq!(compare("00", "0"), Ordering::Greater);
+        assert_eq!(compare("01", "1"), Ordering::Greater);
+        assert_eq!(compare("001", "1"), Ordering::Greater);
+        assert_eq!(compare("001", "01"), Ordering::Greater);
+
+        // Same value different representation
+        assert_eq!(compare("000100", "100"), Ordering::Greater);
+        assert_eq!(compare("100", "0100"), Ordering::Less);
+        assert_eq!(compare("0100", "00100"), Ordering::Less);
+
+        // Large numbers
+        assert_eq!(compare("9999999999", "10000000000"), Ordering::Less);
+        assert_eq!(
+            compare(
+                "340282366920938463463374607431768211455", // u128::MAX
+                "340282366920938463463374607431768211456"
+            ),
+            Ordering::Less
+        );
+        assert_eq!(
+            compare(
+                "340282366920938463463374607431768211456", // > u128::MAX
+                "340282366920938463463374607431768211455"
+            ),
+            Ordering::Greater
+        );
+
+        // Iterator advancement verification
+        let mut a_iter = "123abc".chars().peekable();
+        let mut b_iter = "456def".chars().peekable();
+
+        compare_numeric_segments(&mut a_iter, &mut b_iter);
+
+        assert_eq!(a_iter.collect::<String>(), "abc");
+        assert_eq!(b_iter.collect::<String>(), "def");
+    }
+
+    #[test]
+    fn test_natural_sort() {
+        // Basic alphanumeric
+        assert_eq!(natural_sort("a", "b"), Ordering::Less);
+        assert_eq!(natural_sort("b", "a"), Ordering::Greater);
+        assert_eq!(natural_sort("a", "a"), Ordering::Equal);
+
+        // Case sensitivity
+        assert_eq!(natural_sort("a", "A"), Ordering::Less);
+        assert_eq!(natural_sort("A", "a"), Ordering::Greater);
+        assert_eq!(natural_sort("aA", "aa"), Ordering::Greater);
+        assert_eq!(natural_sort("aa", "aA"), Ordering::Less);
+
+        // Numbers
+        assert_eq!(natural_sort("1", "2"), Ordering::Less);
+        assert_eq!(natural_sort("2", "10"), Ordering::Less);
+        assert_eq!(natural_sort("02", "10"), Ordering::Less);
+        assert_eq!(natural_sort("02", "2"), Ordering::Greater);
+
+        // Mixed alphanumeric
+        assert_eq!(natural_sort("a1", "a2"), Ordering::Less);
+        assert_eq!(natural_sort("a2", "a10"), Ordering::Less);
+        assert_eq!(natural_sort("a02", "a2"), Ordering::Greater);
+        assert_eq!(natural_sort("a1b", "a1c"), Ordering::Less);
+
+        // Multiple numeric segments
+        assert_eq!(natural_sort("1a2", "1a10"), Ordering::Less);
+        assert_eq!(natural_sort("1a10", "1a2"), Ordering::Greater);
+        assert_eq!(natural_sort("2a1", "10a1"), Ordering::Less);
+
+        // Special characters
+        assert_eq!(natural_sort("a-1", "a-2"), Ordering::Less);
+        assert_eq!(natural_sort("a_1", "a_2"), Ordering::Less);
+        assert_eq!(natural_sort("a.1", "a.2"), Ordering::Less);
+
+        // Unicode
+        assert_eq!(natural_sort("文1", "文2"), Ordering::Less);
+        assert_eq!(natural_sort("文2", "文10"), Ordering::Less);
+        assert_eq!(natural_sort("🔤1", "🔤2"), Ordering::Less);
+
+        // Empty and special cases
+        assert_eq!(natural_sort("", ""), Ordering::Equal);
+        assert_eq!(natural_sort("", "a"), Ordering::Less);
+        assert_eq!(natural_sort("a", ""), Ordering::Greater);
+        assert_eq!(natural_sort(" ", "  "), Ordering::Less);
+
+        // Mixed everything
+        assert_eq!(natural_sort("File-1.txt", "File-2.txt"), Ordering::Less);
+        assert_eq!(natural_sort("File-02.txt", "File-2.txt"), Ordering::Greater);
+        assert_eq!(natural_sort("File-2.txt", "File-10.txt"), Ordering::Less);
+        assert_eq!(natural_sort("File_A1", "File_A2"), Ordering::Less);
+        assert_eq!(natural_sort("File_a1", "File_A1"), Ordering::Less);
+    }
+
+    #[test]
+    fn test_compare_paths() {
+        // Helper function for cleaner tests
+        fn compare(a: &str, is_a_file: bool, b: &str, is_b_file: bool) -> Ordering {
+            compare_paths((Path::new(a), is_a_file), (Path::new(b), is_b_file))
+        }
+
+        // Basic path comparison
+        assert_eq!(compare("a", true, "b", true), Ordering::Less);
+        assert_eq!(compare("b", true, "a", true), Ordering::Greater);
+        assert_eq!(compare("a", true, "a", true), Ordering::Equal);
+
+        // Files vs Directories
+        assert_eq!(compare("a", true, "a", false), Ordering::Greater);
+        assert_eq!(compare("a", false, "a", true), Ordering::Less);
+        assert_eq!(compare("b", false, "a", true), Ordering::Less);
+
+        // Extensions
+        assert_eq!(compare("a.txt", true, "a.md", true), Ordering::Greater);
+        assert_eq!(compare("a.md", true, "a.txt", true), Ordering::Less);
+        assert_eq!(compare("a", true, "a.txt", true), Ordering::Less);
+
+        // Nested paths
+        assert_eq!(compare("dir/a", true, "dir/b", true), Ordering::Less);
+        assert_eq!(compare("dir1/a", true, "dir2/a", true), Ordering::Less);
+        assert_eq!(compare("dir/sub/a", true, "dir/a", true), Ordering::Less);
+
+        // Case sensitivity in paths
+        assert_eq!(
+            compare("Dir/file", true, "dir/file", true),
+            Ordering::Greater
+        );
+        assert_eq!(
+            compare("dir/File", true, "dir/file", true),
+            Ordering::Greater
+        );
+        assert_eq!(compare("dir/file", true, "Dir/File", true), Ordering::Less);
+
+        // Hidden files and special names
+        assert_eq!(compare(".hidden", true, "visible", true), Ordering::Less);
+        assert_eq!(compare("_special", true, "normal", true), Ordering::Less);
+        assert_eq!(compare(".config", false, ".data", false), Ordering::Less);
+
+        // Mixed numeric paths
+        assert_eq!(
+            compare("dir1/file", true, "dir2/file", true),
+            Ordering::Less
+        );
+        assert_eq!(
+            compare("dir2/file", true, "dir10/file", true),
+            Ordering::Less
+        );
+        assert_eq!(
+            compare("dir02/file", true, "dir2/file", true),
+            Ordering::Greater
+        );
+
+        // Root paths
+        assert_eq!(compare("/a", true, "/b", true), Ordering::Less);
+        assert_eq!(compare("/", false, "/a", true), Ordering::Less);
+
+        // Complex real-world examples
+        assert_eq!(
+            compare("project/src/main.rs", true, "project/src/lib.rs", true),
+            Ordering::Greater
+        );
+        assert_eq!(
+            compare(
+                "project/tests/test_1.rs",
+                true,
+                "project/tests/test_2.rs",
+                true
+            ),
+            Ordering::Less
+        );
+        assert_eq!(
+            compare(
+                "project/v1.0.0/README.md",
+                true,
+                "project/v1.10.0/README.md",
+                true
+            ),
+            Ordering::Less
+        );
+    }
+
+    #[test]
+    fn test_natural_sort_case_sensitivity() {
+        // Same letter different case - lowercase should come first
+        assert_eq!(natural_sort("a", "A"), Ordering::Less);
+        assert_eq!(natural_sort("A", "a"), Ordering::Greater);
+        assert_eq!(natural_sort("a", "a"), Ordering::Equal);
+        assert_eq!(natural_sort("A", "A"), Ordering::Equal);
+
+        // Mixed case strings
+        assert_eq!(natural_sort("aaa", "AAA"), Ordering::Less);
+        assert_eq!(natural_sort("AAA", "aaa"), Ordering::Greater);
+        assert_eq!(natural_sort("aAa", "AaA"), Ordering::Less);
+
+        // Different letters
+        assert_eq!(natural_sort("a", "b"), Ordering::Less);
+        assert_eq!(natural_sort("A", "b"), Ordering::Less);
+        assert_eq!(natural_sort("a", "B"), Ordering::Less);
+    }
+
+    #[test]
+    fn test_natural_sort_with_numbers() {
+        // Basic number ordering
+        assert_eq!(natural_sort("file1", "file2"), Ordering::Less);
+        assert_eq!(natural_sort("file2", "file10"), Ordering::Less);
+        assert_eq!(natural_sort("file10", "file2"), Ordering::Greater);
+
+        // Numbers in different positions
+        assert_eq!(natural_sort("1file", "2file"), Ordering::Less);
+        assert_eq!(natural_sort("file1text", "file2text"), Ordering::Less);
+        assert_eq!(natural_sort("text1file", "text2file"), Ordering::Less);
+
+        // Multiple numbers in string
+        assert_eq!(natural_sort("file1-2", "file1-10"), Ordering::Less);
+        assert_eq!(natural_sort("2-1file", "10-1file"), Ordering::Less);
+
+        // Leading zeros
+        assert_eq!(natural_sort("file002", "file2"), Ordering::Greater);
+        assert_eq!(natural_sort("file002", "file10"), Ordering::Less);
+
+        // Very large numbers
+        assert_eq!(
+            natural_sort("file999999999999999999999", "file999999999999999999998"),
+            Ordering::Greater
+        );
+
+        // u128 edge cases
+
+        // Numbers near u128::MAX (340,282,366,920,938,463,463,374,607,431,768,211,455)
+        assert_eq!(
+            natural_sort(
+                "file340282366920938463463374607431768211454",
+                "file340282366920938463463374607431768211455"
+            ),
+            Ordering::Less
+        );
+
+        // Equal length numbers that overflow u128
+        assert_eq!(
+            natural_sort(
+                "file340282366920938463463374607431768211456",
+                "file340282366920938463463374607431768211455"
+            ),
+            Ordering::Greater
+        );
+
+        // Different length numbers that overflow u128
+        assert_eq!(
+            natural_sort(
+                "file3402823669209384634633746074317682114560",
+                "file340282366920938463463374607431768211455"
+            ),
+            Ordering::Greater
+        );
+
+        // Leading zeros with numbers near u128::MAX
+        assert_eq!(
+            natural_sort(
+                "file0340282366920938463463374607431768211455",
+                "file340282366920938463463374607431768211455"
+            ),
+            Ordering::Greater
+        );
+
+        // Very large numbers with different lengths (both overflow u128)
+        assert_eq!(
+            natural_sort(
+                "file999999999999999999999999999999999999999999999999",
+                "file9999999999999999999999999999999999999999999999999"
+            ),
+            Ordering::Less
+        );
+
+        // Mixed case with numbers
+        assert_eq!(natural_sort("File1", "file2"), Ordering::Greater);
+        assert_eq!(natural_sort("file1", "File2"), Ordering::Less);
+    }
+
+    #[test]
+    fn test_natural_sort_edge_cases() {
+        // Empty strings
+        assert_eq!(natural_sort("", ""), Ordering::Equal);
+        assert_eq!(natural_sort("", "a"), Ordering::Less);
+        assert_eq!(natural_sort("a", ""), Ordering::Greater);
+
+        // Special characters
+        assert_eq!(natural_sort("file-1", "file_1"), Ordering::Less);
+        assert_eq!(natural_sort("file.1", "file_1"), Ordering::Less);
+        assert_eq!(natural_sort("file 1", "file_1"), Ordering::Less);
+
+        // Unicode characters
+        // 9312 vs 9313
+        assert_eq!(natural_sort("file①", "file②"), Ordering::Less);
+        // 9321 vs 9313
+        assert_eq!(natural_sort("file⑩", "file②"), Ordering::Greater);
+        // 28450 vs 23383
+        assert_eq!(natural_sort("file漢", "file字"), Ordering::Greater);
+
+        // Mixed alphanumeric with special chars
+        assert_eq!(natural_sort("file-1a", "file-1b"), Ordering::Less);
+        assert_eq!(natural_sort("file-1.2", "file-1.10"), Ordering::Less);
+        assert_eq!(natural_sort("file-1.10", "file-1.2"), Ordering::Greater);
+    }
 }
diff --git a/crates/util/src/schemars.rs b/crates/util/src/schemars.rs
index e162b41933..a59d24c325 100644
--- a/crates/util/src/schemars.rs
+++ b/crates/util/src/schemars.rs
@@ -44,13 +44,12 @@ pub struct DefaultDenyUnknownFields;
 
 impl schemars::transform::Transform for DefaultDenyUnknownFields {
     fn transform(&mut self, schema: &mut schemars::Schema) {
-        if let Some(object) = schema.as_object_mut() {
-            if object.contains_key("properties")
-                && !object.contains_key("additionalProperties")
-                && !object.contains_key("unevaluatedProperties")
-            {
-                object.insert("additionalProperties".to_string(), false.into());
-            }
+        if let Some(object) = schema.as_object_mut()
+            && object.contains_key("properties")
+            && !object.contains_key("additionalProperties")
+            && !object.contains_key("unevaluatedProperties")
+        {
+            object.insert("additionalProperties".to_string(), false.into());
         }
         transform_subschemas(self, schema);
     }
diff --git a/crates/util/src/size.rs b/crates/util/src/size.rs
index 084a0e5a56..c6ecebd548 100644
--- a/crates/util/src/size.rs
+++ b/crates/util/src/size.rs
@@ -7,14 +7,12 @@ pub fn format_file_size(size: u64, use_decimal: bool) -> String {
         } else {
             format!("{:.1}MB", size as f64 / (1000.0 * 1000.0))
         }
+    } else if size < 1024 {
+        format!("{size}B")
+    } else if size < 1024 * 1024 {
+        format!("{:.1}KiB", size as f64 / 1024.0)
     } else {
-        if size < 1024 {
-            format!("{size}B")
-        } else if size < 1024 * 1024 {
-            format!("{:.1}KiB", size as f64 / 1024.0)
-        } else {
-            format!("{:.1}MiB", size as f64 / (1024.0 * 1024.0))
-        }
+        format!("{:.1}MiB", size as f64 / (1024.0 * 1024.0))
     }
 }
 
diff --git a/crates/util/src/util.rs b/crates/util/src/util.rs
index 932b519b18..69a2c88706 100644
--- a/crates/util/src/util.rs
+++ b/crates/util/src/util.rs
@@ -128,11 +128,9 @@ pub fn truncate_lines_to_byte_limit(s: &str, max_bytes: usize) -> &str {
     }
 
     for i in (0..max_bytes).rev() {
-        if s.is_char_boundary(i) {
-            if s.as_bytes()[i] == b'\n' {
-                // Since the i-th character is \n, valid to slice at i + 1.
-                return &s[..i + 1];
-            }
+        if s.is_char_boundary(i) && s.as_bytes()[i] == b'\n' {
+            // Since the i-th character is \n, valid to slice at i + 1.
+            return &s[..i + 1];
         }
     }
 
@@ -303,7 +301,7 @@ pub fn get_shell_safe_zed_path() -> anyhow::Result<String> {
     let zed_path_escaped =
         shlex::try_quote(&zed_path).context("Failed to shell-escape Zed executable path.")?;
 
-    return Ok(zed_path_escaped.to_string());
+    Ok(zed_path_escaped.to_string())
 }
 
 #[cfg(unix)]
@@ -669,9 +667,12 @@ where
     let file = caller.file();
     #[cfg(target_os = "windows")]
     let file = caller.file().replace('\\', "/");
-    // In this codebase, the first segment of the file path is
-    // the 'crates' folder, followed by the crate name.
-    let target = file.split('/').nth(1);
+    // In this codebase all crates reside in a `crates` directory,
+    // so discard the prefix up to that segment to find the crate name
+    let target = file
+        .split_once("crates/")
+        .and_then(|(_, s)| s.split_once('/'))
+        .map(|(p, _)| p);
 
     log::logger().log(
         &log::Record::builder()
@@ -824,7 +825,7 @@ mod rng {
         pub fn new(rng: T) -> Self {
             Self {
                 rng,
-                simple_text: std::env::var("SIMPLE_TEXT").map_or(false, |v| !v.is_empty()),
+                simple_text: std::env::var("SIMPLE_TEXT").is_ok_and(|v| !v.is_empty()),
             }
         }
 
@@ -884,10 +885,10 @@ macro_rules! maybe {
         (|| $block)()
     };
     (async $block:block) => {
-        (|| async $block)()
+        (async || $block)()
     };
     (async move $block:block) => {
-        (|| async move $block)()
+        (async move || $block)()
     };
 }
 
diff --git a/crates/vercel/src/vercel.rs b/crates/vercel/src/vercel.rs
index 1ae22c5fef..8686fda53f 100644
--- a/crates/vercel/src/vercel.rs
+++ b/crates/vercel/src/vercel.rs
@@ -71,4 +71,8 @@ impl Model {
             Model::Custom { .. } => false,
         }
     }
+
+    pub fn supports_prompt_cache_key(&self) -> bool {
+        false
+    }
 }
diff --git a/crates/vim/Cargo.toml b/crates/vim/Cargo.toml
index 9fb5c46564..434b14b07c 100644
--- a/crates/vim/Cargo.toml
+++ b/crates/vim/Cargo.toml
@@ -24,6 +24,7 @@ command_palette.workspace = true
 command_palette_hooks.workspace = true
 db.workspace = true
 editor.workspace = true
+env_logger.workspace = true
 futures.workspace = true
 gpui.workspace = true
 itertools.workspace = true
diff --git a/crates/vim/src/change_list.rs b/crates/vim/src/change_list.rs
index a59083f7ab..c92ce4720e 100644
--- a/crates/vim/src/change_list.rs
+++ b/crates/vim/src/change_list.rs
@@ -31,7 +31,7 @@ impl Vim {
     ) {
         let count = Vim::take_count(cx).unwrap_or(1);
         Vim::take_forced_motion(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             if let Some(selections) = editor
                 .change_list
                 .next_change(count, direction)
@@ -49,7 +49,7 @@ impl Vim {
     }
 
     pub(crate) fn push_to_change_list(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        let Some((new_positions, buffer)) = self.update_editor(window, cx, |vim, editor, _, cx| {
+        let Some((new_positions, buffer)) = self.update_editor(cx, |vim, editor, cx| {
             let (map, selections) = editor.selections.all_adjusted_display(cx);
             let buffer = editor.buffer().clone();
 
diff --git a/crates/vim/src/command.rs b/crates/vim/src/command.rs
index 7963db3571..b57c916db9 100644
--- a/crates/vim/src/command.rs
+++ b/crates/vim/src/command.rs
@@ -95,7 +95,7 @@ impl VimOption {
             }
         }
 
-        Self::possibilities(&prefix)
+        Self::possibilities(prefix)
             .map(|possible| {
                 let mut options = prefix_of_options.clone();
                 options.push(possible);
@@ -241,9 +241,9 @@ impl Deref for WrappedAction {
 
 pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
     // Vim::action(editor, cx, |vim, action: &StartOfLine, window, cx| {
-    Vim::action(editor, cx, |vim, action: &VimSet, window, cx| {
+    Vim::action(editor, cx, |vim, action: &VimSet, _, cx| {
         for option in action.options.iter() {
-            vim.update_editor(window, cx, |_, editor, _, cx| match option {
+            vim.update_editor(cx, |_, editor, cx| match option {
                 VimOption::Wrap(true) => {
                     editor
                         .set_soft_wrap_mode(language::language_settings::SoftWrap::EditorWidth, cx);
@@ -298,8 +298,8 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
     });
 
     Vim::action(editor, cx, |vim, action: &VimSave, window, cx| {
-        vim.update_editor(window, cx, |_, editor, window, cx| {
-            let Some(project) = editor.project.clone() else {
+        vim.update_editor(cx, |_, editor, cx| {
+            let Some(project) = editor.project().cloned() else {
                 return;
             };
             let Some(worktree) = project.read(cx).visible_worktrees(cx).next() else {
@@ -375,7 +375,7 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
                 cx,
             );
         }
-        vim.update_editor(window, cx, |vim, editor, window, cx| match action {
+        vim.update_editor(cx, |vim, editor, cx| match action {
             DeleteMarks::Marks(s) => {
                 if s.starts_with('-') || s.ends_with('-') || s.contains(['\'', '`']) {
                     err(s.clone(), window, cx);
@@ -432,11 +432,11 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
     });
 
     Vim::action(editor, cx, |vim, action: &VimEdit, window, cx| {
-        vim.update_editor(window, cx, |vim, editor, window, cx| {
+        vim.update_editor(cx, |vim, editor, cx| {
             let Some(workspace) = vim.workspace(window) else {
                 return;
             };
-            let Some(project) = editor.project.clone() else {
+            let Some(project) = editor.project().cloned() else {
                 return;
             };
             let Some(worktree) = project.read(cx).visible_worktrees(cx).next() else {
@@ -462,11 +462,10 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
             .map(|c| Keystroke::parse(&c.to_string()).unwrap())
             .collect();
         vim.switch_mode(Mode::Normal, true, window, cx);
-        let initial_selections = vim.update_editor(window, cx, |_, editor, _, _| {
-            editor.selections.disjoint_anchors()
-        });
+        let initial_selections =
+            vim.update_editor(cx, |_, editor, _| editor.selections.disjoint_anchors());
         if let Some(range) = &action.range {
-            let result = vim.update_editor(window, cx, |vim, editor, window, cx| {
+            let result = vim.update_editor(cx, |vim, editor, cx| {
                 let range = range.buffer_range(vim, editor, window, cx)?;
                 editor.change_selections(
                     SelectionEffects::no_scroll().nav_history(false),
@@ -498,7 +497,7 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
         cx.spawn_in(window, async move |vim, cx| {
             task.await;
             vim.update_in(cx, |vim, window, cx| {
-                vim.update_editor(window, cx, |_, editor, window, cx| {
+                vim.update_editor(cx, |_, editor, cx| {
                     if had_range {
                         editor.change_selections(SelectionEffects::default(), window, cx, |s| {
                             s.select_anchor_ranges([s.newest_anchor().range()]);
@@ -510,18 +509,17 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
                 } else {
                     vim.switch_mode(Mode::Normal, true, window, cx);
                 }
-                vim.update_editor(window, cx, |_, editor, _, cx| {
-                    if let Some(first_sel) = initial_selections {
-                        if let Some(tx_id) = editor
+                vim.update_editor(cx, |_, editor, cx| {
+                    if let Some(first_sel) = initial_selections
+                        && let Some(tx_id) = editor
                             .buffer()
                             .update(cx, |multi, cx| multi.last_transaction_id(cx))
-                        {
-                            let last_sel = editor.selections.disjoint_anchors();
-                            editor.modify_transaction_selection_history(tx_id, |old| {
-                                old.0 = first_sel;
-                                old.1 = Some(last_sel);
-                            });
-                        }
+                    {
+                        let last_sel = editor.selections.disjoint_anchors();
+                        editor.modify_transaction_selection_history(tx_id, |old| {
+                            old.0 = first_sel;
+                            old.1 = Some(last_sel);
+                        });
                     }
                 });
             })
@@ -548,7 +546,7 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
 
     Vim::action(editor, cx, |vim, action: &GoToLine, window, cx| {
         vim.switch_mode(Mode::Normal, false, window, cx);
-        let result = vim.update_editor(window, cx, |vim, editor, window, cx| {
+        let result = vim.update_editor(cx, |vim, editor, cx| {
             let snapshot = editor.snapshot(window, cx);
             let buffer_row = action.range.head().buffer_row(vim, editor, window, cx)?;
             let current = editor.selections.newest::<Point>(cx);
@@ -568,12 +566,11 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
             workspace.update(cx, |workspace, cx| {
                 e.notify_err(workspace, cx);
             });
-            return;
         }
     });
 
     Vim::action(editor, cx, |vim, action: &YankCommand, window, cx| {
-        vim.update_editor(window, cx, |vim, editor, window, cx| {
+        vim.update_editor(cx, |vim, editor, cx| {
             let snapshot = editor.snapshot(window, cx);
             if let Ok(range) = action.range.buffer_range(vim, editor, window, cx) {
                 let end = if range.end < snapshot.buffer_snapshot.max_row() {
@@ -600,7 +597,7 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
     });
 
     Vim::action(editor, cx, |vim, action: &WithRange, window, cx| {
-        let result = vim.update_editor(window, cx, |vim, editor, window, cx| {
+        let result = vim.update_editor(cx, |vim, editor, cx| {
             action.range.buffer_range(vim, editor, window, cx)
         });
 
@@ -619,7 +616,7 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
         };
 
         let previous_selections = vim
-            .update_editor(window, cx, |_, editor, window, cx| {
+            .update_editor(cx, |_, editor, cx| {
                 let selections = action.restore_selection.then(|| {
                     editor
                         .selections
@@ -635,7 +632,7 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
             .flatten();
         window.dispatch_action(action.action.boxed_clone(), cx);
         cx.defer_in(window, move |vim, window, cx| {
-            vim.update_editor(window, cx, |_, editor, window, cx| {
+            vim.update_editor(cx, |_, editor, cx| {
                 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
                     if let Some(previous_selections) = previous_selections {
                         s.select_ranges(previous_selections);
@@ -1176,8 +1173,10 @@ fn generate_commands(_: &App) -> Vec<VimCommand> {
         VimCommand::str(("ls", ""), "tab_switcher::ToggleAll"),
         VimCommand::new(("new", ""), workspace::NewFileSplitHorizontal),
         VimCommand::new(("vne", "w"), workspace::NewFileSplitVertical),
-        VimCommand::new(("tabe", "dit"), workspace::NewFile),
-        VimCommand::new(("tabnew", ""), workspace::NewFile),
+        VimCommand::new(("tabe", "dit"), workspace::NewFile)
+            .args(|_action, args| Some(VimEdit { filename: args }.boxed_clone())),
+        VimCommand::new(("tabnew", ""), workspace::NewFile)
+            .args(|_action, args| Some(VimEdit { filename: args }.boxed_clone())),
         VimCommand::new(("tabn", "ext"), workspace::ActivateNextItem).count(),
         VimCommand::new(("tabp", "revious"), workspace::ActivatePreviousItem).count(),
         VimCommand::new(("tabN", "ext"), workspace::ActivatePreviousItem).count(),
@@ -1409,11 +1408,7 @@ pub fn command_interceptor(mut input: &str, cx: &App) -> Vec<CommandInterceptRes
             start: Position::Line { row: 0, offset: 0 },
             end: Some(Position::LastLine { offset: 0 }),
         });
-        if let Some(action) = OnMatchingLines::parse(query, invert, range, cx) {
-            Some(action.boxed_clone())
-        } else {
-            None
-        }
+        OnMatchingLines::parse(query, invert, range, cx).map(|action| action.boxed_clone())
     } else if query.contains('!') {
         ShellExec::parse(query, range.clone())
     } else {
@@ -1444,7 +1439,7 @@ pub fn command_interceptor(mut input: &str, cx: &App) -> Vec<CommandInterceptRes
             }];
         }
     }
-    return Vec::default();
+    Vec::default()
 }
 
 fn generate_positions(string: &str, query: &str) -> Vec<usize> {
@@ -1497,7 +1492,7 @@ impl OnMatchingLines {
         let mut search = String::new();
         let mut escaped = false;
 
-        while let Some(c) = chars.next() {
+        for c in chars.by_ref() {
             if escaped {
                 escaped = false;
                 // unescape escaped parens
@@ -1536,7 +1531,7 @@ impl OnMatchingLines {
     }
 
     pub fn run(&self, vim: &mut Vim, window: &mut Window, cx: &mut Context<Vim>) {
-        let result = vim.update_editor(window, cx, |vim, editor, window, cx| {
+        let result = vim.update_editor(cx, |vim, editor, cx| {
             self.range.buffer_range(vim, editor, window, cx)
         });
 
@@ -1600,7 +1595,7 @@ impl OnMatchingLines {
             });
         };
 
-        vim.update_editor(window, cx, |_, editor, window, cx| {
+        vim.update_editor(cx, |_, editor, cx| {
             let snapshot = editor.snapshot(window, cx);
             let mut row = range.start.0;
 
@@ -1649,7 +1644,7 @@ impl OnMatchingLines {
                         });
                         window.dispatch_action(action, cx);
                         cx.defer_in(window, move |editor, window, cx| {
-                            let newest = editor.selections.newest::<Point>(cx).clone();
+                            let newest = editor.selections.newest::<Point>(cx);
                             editor.change_selections(
                                 SelectionEffects::no_scroll(),
                                 window,
@@ -1680,7 +1675,7 @@ pub struct ShellExec {
 impl Vim {
     pub fn cancel_running_command(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         if self.running_command.take().is_some() {
-            self.update_editor(window, cx, |_, editor, window, cx| {
+            self.update_editor(cx, |_, editor, cx| {
                 editor.transact(window, cx, |editor, _window, _cx| {
                     editor.clear_row_highlights::<ShellExec>();
                 })
@@ -1691,7 +1686,7 @@ impl Vim {
     fn prepare_shell_command(
         &mut self,
         command: &str,
-        window: &mut Window,
+        _: &mut Window,
         cx: &mut Context<Self>,
     ) -> String {
         let mut ret = String::new();
@@ -1711,15 +1706,13 @@ impl Vim {
             }
             match c {
                 '%' => {
-                    self.update_editor(window, cx, |_, editor, _window, cx| {
-                        if let Some((_, buffer, _)) = editor.active_excerpt(cx) {
-                            if let Some(file) = buffer.read(cx).file() {
-                                if let Some(local) = file.as_local() {
-                                    if let Some(str) = local.path().to_str() {
-                                        ret.push_str(str)
-                                    }
-                                }
-                            }
+                    self.update_editor(cx, |_, editor, cx| {
+                        if let Some((_, buffer, _)) = editor.active_excerpt(cx)
+                            && let Some(file) = buffer.read(cx).file()
+                            && let Some(local) = file.as_local()
+                            && let Some(str) = local.path().to_str()
+                        {
+                            ret.push_str(str)
                         }
                     });
                 }
@@ -1747,7 +1740,7 @@ impl Vim {
         let Some(workspace) = self.workspace(window) else {
             return;
         };
-        let command = self.update_editor(window, cx, |_, editor, window, cx| {
+        let command = self.update_editor(cx, |_, editor, cx| {
             let snapshot = editor.snapshot(window, cx);
             let start = editor.selections.newest_display(cx);
             let text_layout_details = editor.text_layout_details(window);
@@ -1794,7 +1787,7 @@ impl Vim {
         let Some(workspace) = self.workspace(window) else {
             return;
         };
-        let command = self.update_editor(window, cx, |_, editor, window, cx| {
+        let command = self.update_editor(cx, |_, editor, cx| {
             let snapshot = editor.snapshot(window, cx);
             let start = editor.selections.newest_display(cx);
             let range = object
@@ -1896,7 +1889,7 @@ impl ShellExec {
         let mut input_snapshot = None;
         let mut input_range = None;
         let mut needs_newline_prefix = false;
-        vim.update_editor(window, cx, |vim, editor, window, cx| {
+        vim.update_editor(cx, |vim, editor, cx| {
             let snapshot = editor.buffer().read(cx).snapshot(cx);
             let range = if let Some(range) = self.range.clone() {
                 let Some(range) = range.buffer_range(vim, editor, window, cx).log_err() else {
@@ -1953,19 +1946,19 @@ impl ShellExec {
                 return;
             };
 
-            if let Some(mut stdin) = running.stdin.take() {
-                if let Some(snapshot) = input_snapshot {
-                    let range = range.clone();
-                    cx.background_spawn(async move {
-                        for chunk in snapshot.text_for_range(range) {
-                            if stdin.write_all(chunk.as_bytes()).log_err().is_none() {
-                                return;
-                            }
+            if let Some(mut stdin) = running.stdin.take()
+                && let Some(snapshot) = input_snapshot
+            {
+                let range = range.clone();
+                cx.background_spawn(async move {
+                    for chunk in snapshot.text_for_range(range) {
+                        if stdin.write_all(chunk.as_bytes()).log_err().is_none() {
+                            return;
                         }
-                        stdin.flush().log_err();
-                    })
-                    .detach();
-                }
+                    }
+                    stdin.flush().log_err();
+                })
+                .detach();
             };
 
             let output = cx
@@ -1990,7 +1983,7 @@ impl ShellExec {
             }
 
             vim.update_in(cx, |vim, window, cx| {
-                vim.update_editor(window, cx, |_, editor, window, cx| {
+                vim.update_editor(cx, |_, editor, cx| {
                     editor.transact(window, cx, |editor, window, cx| {
                         editor.edit([(range.clone(), text)], cx);
                         let snapshot = editor.buffer().read(cx).snapshot(cx);
@@ -2477,4 +2470,110 @@ mod test {
         "});
         // Once ctrl-v to input character literals is added there should be a test for redo
     }
+
+    #[gpui::test]
+    async fn test_command_tabnew(cx: &mut TestAppContext) {
+        let mut cx = VimTestContext::new(cx, true).await;
+
+        // Create a new file to ensure that, when the filename is used with
+        // `:tabnew`, it opens the existing file in a new tab.
+        let fs = cx.workspace(|workspace, _, cx| workspace.project().read(cx).fs().clone());
+        fs.as_fake()
+            .insert_file(path!("/root/dir/file_2.rs"), "file_2".as_bytes().to_vec())
+            .await;
+
+        cx.simulate_keystrokes(": tabnew");
+        cx.simulate_keystrokes("enter");
+        cx.workspace(|workspace, _, cx| assert_eq!(workspace.items(cx).count(), 2));
+
+        // Assert that the new tab is empty and not associated with any file, as
+        // no file path was provided to the `:tabnew` command.
+        cx.workspace(|workspace, _window, cx| {
+            let active_editor = workspace.active_item_as::<Editor>(cx).unwrap();
+            let buffer = active_editor
+                .read(cx)
+                .buffer()
+                .read(cx)
+                .as_singleton()
+                .unwrap();
+
+            assert!(&buffer.read(cx).file().is_none());
+        });
+
+        // Leverage the filename as an argument to the `:tabnew` command,
+        // ensuring that the file, instead of an empty buffer, is opened in a
+        // new tab.
+        cx.simulate_keystrokes(": tabnew space dir/file_2.rs");
+        cx.simulate_keystrokes("enter");
+
+        cx.workspace(|workspace, _, cx| assert_eq!(workspace.items(cx).count(), 3));
+        cx.workspace(|workspace, _, cx| {
+            assert_active_item(workspace, path!("/root/dir/file_2.rs"), "file_2", cx);
+        });
+
+        // If the `filename` argument provided to the `:tabnew` command is for a
+        // file that doesn't yet exist, it should still associate the buffer
+        // with that file path, so that when the buffer contents are saved, the
+        // file is created.
+        cx.simulate_keystrokes(": tabnew space dir/file_3.rs");
+        cx.simulate_keystrokes("enter");
+
+        cx.workspace(|workspace, _, cx| assert_eq!(workspace.items(cx).count(), 4));
+        cx.workspace(|workspace, _, cx| {
+            assert_active_item(workspace, path!("/root/dir/file_3.rs"), "", cx);
+        });
+    }
+
+    #[gpui::test]
+    async fn test_command_tabedit(cx: &mut TestAppContext) {
+        let mut cx = VimTestContext::new(cx, true).await;
+
+        // Create a new file to ensure that, when the filename is used with
+        // `:tabedit`, it opens the existing file in a new tab.
+        let fs = cx.workspace(|workspace, _, cx| workspace.project().read(cx).fs().clone());
+        fs.as_fake()
+            .insert_file(path!("/root/dir/file_2.rs"), "file_2".as_bytes().to_vec())
+            .await;
+
+        cx.simulate_keystrokes(": tabedit");
+        cx.simulate_keystrokes("enter");
+        cx.workspace(|workspace, _, cx| assert_eq!(workspace.items(cx).count(), 2));
+
+        // Assert that the new tab is empty and not associated with any file, as
+        // no file path was provided to the `:tabedit` command.
+        cx.workspace(|workspace, _window, cx| {
+            let active_editor = workspace.active_item_as::<Editor>(cx).unwrap();
+            let buffer = active_editor
+                .read(cx)
+                .buffer()
+                .read(cx)
+                .as_singleton()
+                .unwrap();
+
+            assert!(&buffer.read(cx).file().is_none());
+        });
+
+        // Leverage the filename as an argument to the `:tabedit` command,
+        // ensuring that the file, instead of an empty buffer, is opened in a
+        // new tab.
+        cx.simulate_keystrokes(": tabedit space dir/file_2.rs");
+        cx.simulate_keystrokes("enter");
+
+        cx.workspace(|workspace, _, cx| assert_eq!(workspace.items(cx).count(), 3));
+        cx.workspace(|workspace, _, cx| {
+            assert_active_item(workspace, path!("/root/dir/file_2.rs"), "file_2", cx);
+        });
+
+        // If the `filename` argument provided to the `:tabedit` command is for a
+        // file that doesn't yet exist, it should still associate the buffer
+        // with that file path, so that when the buffer contents are saved, the
+        // file is created.
+        cx.simulate_keystrokes(": tabedit space dir/file_3.rs");
+        cx.simulate_keystrokes("enter");
+
+        cx.workspace(|workspace, _, cx| assert_eq!(workspace.items(cx).count(), 4));
+        cx.workspace(|workspace, _, cx| {
+            assert_active_item(workspace, path!("/root/dir/file_3.rs"), "", cx);
+        });
+    }
 }
diff --git a/crates/vim/src/digraph.rs b/crates/vim/src/digraph.rs
index 881454392a..796dad94c0 100644
--- a/crates/vim/src/digraph.rs
+++ b/crates/vim/src/digraph.rs
@@ -56,24 +56,22 @@ impl Vim {
 
         self.pop_operator(window, cx);
         if self.editor_input_enabled() {
-            self.update_editor(window, cx, |_, editor, window, cx| {
-                editor.insert(&text, window, cx)
-            });
+            self.update_editor(cx, |_, editor, cx| editor.insert(&text, window, cx));
         } else {
             self.input_ignored(text, window, cx);
         }
     }
 
     fn literal(&mut self, action: &Literal, window: &mut Window, cx: &mut Context<Self>) {
-        if let Some(Operator::Literal { prefix }) = self.active_operator() {
-            if let Some(prefix) = prefix {
-                if let Some(keystroke) = Keystroke::parse(&action.0).ok() {
-                    window.defer(cx, |window, cx| {
-                        window.dispatch_keystroke(keystroke, cx);
-                    });
-                }
-                return self.handle_literal_input(prefix, "", window, cx);
+        if let Some(Operator::Literal { prefix }) = self.active_operator()
+            && let Some(prefix) = prefix
+        {
+            if let Some(keystroke) = Keystroke::parse(&action.0).ok() {
+                window.defer(cx, |window, cx| {
+                    window.dispatch_keystroke(keystroke, cx);
+                });
             }
+            return self.handle_literal_input(prefix, "", window, cx);
         }
 
         self.insert_literal(Some(action.1), "", window, cx);
@@ -91,7 +89,7 @@ impl Vim {
             return;
         };
 
-        if prefix.len() > 0 {
+        if !prefix.is_empty() {
             self.handle_literal_input(prefix, "", window, cx);
         } else {
             self.pop_operator(window, cx);
@@ -105,7 +103,6 @@ impl Vim {
                 window.dispatch_keystroke(keystroke, cx);
             });
         }
-        return;
     }
 
     pub fn handle_literal_input(
@@ -214,9 +211,7 @@ impl Vim {
         text.push_str(suffix);
 
         if self.editor_input_enabled() {
-            self.update_editor(window, cx, |_, editor, window, cx| {
-                editor.insert(&text, window, cx)
-            });
+            self.update_editor(cx, |_, editor, cx| editor.insert(&text, window, cx));
         } else {
             self.input_ignored(text.into(), window, cx);
         }
diff --git a/crates/vim/src/helix.rs b/crates/vim/src/helix.rs
index ca93c9c1de..726022021d 100644
--- a/crates/vim/src/helix.rs
+++ b/crates/vim/src/helix.rs
@@ -1,9 +1,11 @@
+use editor::display_map::DisplaySnapshot;
 use editor::{DisplayPoint, Editor, SelectionEffects, ToOffset, ToPoint, movement};
 use gpui::{Action, actions};
 use gpui::{Context, Window};
 use language::{CharClassifier, CharKind};
 use text::{Bias, SelectionGoal};
 
+use crate::motion;
 use crate::{
     Vim,
     motion::{Motion, right},
@@ -15,10 +17,14 @@ actions!(
     [
         /// Switches to normal mode after the cursor (Helix-style).
         HelixNormalAfter,
+        /// Yanks the current selection or character if no selection.
+        HelixYank,
         /// Inserts at the beginning of the selection.
         HelixInsert,
         /// Appends at the end of the selection.
         HelixAppend,
+        /// Goes to the location of the last modification.
+        HelixGotoLastModification,
     ]
 );
 
@@ -26,6 +32,8 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
     Vim::action(editor, cx, Vim::helix_normal_after);
     Vim::action(editor, cx, Vim::helix_insert);
     Vim::action(editor, cx, Vim::helix_append);
+    Vim::action(editor, cx, Vim::helix_yank);
+    Vim::action(editor, cx, Vim::helix_goto_last_modification);
 }
 
 impl Vim {
@@ -42,7 +50,6 @@ impl Vim {
         }
         self.stop_recording_immediately(action.boxed_clone(), cx);
         self.switch_mode(Mode::HelixNormal, false, window, cx);
-        return;
     }
 
     pub fn helix_normal_motion(
@@ -55,6 +62,35 @@ impl Vim {
         self.helix_move_cursor(motion, times, window, cx);
     }
 
+    /// Updates all selections based on where the cursors are.
+    fn helix_new_selections(
+        &mut self,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+        mut change: impl FnMut(
+            // the start of the cursor
+            DisplayPoint,
+            &DisplaySnapshot,
+        ) -> Option<(DisplayPoint, DisplayPoint)>,
+    ) {
+        self.update_editor(cx, |_, editor, cx| {
+            editor.change_selections(Default::default(), window, cx, |s| {
+                s.move_with(|map, selection| {
+                    let cursor_start = if selection.reversed || selection.is_empty() {
+                        selection.head()
+                    } else {
+                        movement::left(map, selection.head())
+                    };
+                    let Some((head, tail)) = change(cursor_start, map) else {
+                        return;
+                    };
+
+                    selection.set_head_tail(head, tail, SelectionGoal::None);
+                });
+            });
+        });
+    }
+
     fn helix_find_range_forward(
         &mut self,
         times: Option<usize>,
@@ -62,49 +98,30 @@ impl Vim {
         cx: &mut Context<Self>,
         mut is_boundary: impl FnMut(char, char, &CharClassifier) -> bool,
     ) {
-        self.update_editor(window, cx, |_, editor, window, cx| {
-            editor.change_selections(Default::default(), window, cx, |s| {
-                s.move_with(|map, selection| {
-                    let times = times.unwrap_or(1);
-                    let new_goal = SelectionGoal::None;
-                    let mut head = selection.head();
-                    let mut tail = selection.tail();
+        let times = times.unwrap_or(1);
+        self.helix_new_selections(window, cx, |cursor, map| {
+            let mut head = movement::right(map, cursor);
+            let mut tail = cursor;
+            let classifier = map.buffer_snapshot.char_classifier_at(head.to_point(map));
+            if head == map.max_point() {
+                return None;
+            }
+            for _ in 0..times {
+                let (maybe_next_tail, next_head) =
+                    movement::find_boundary_trail(map, head, |left, right| {
+                        is_boundary(left, right, &classifier)
+                    });
 
-                    if head == map.max_point() {
-                        return;
-                    }
+                if next_head == head && maybe_next_tail.unwrap_or(next_head) == tail {
+                    break;
+                }
 
-                    // collapse to block cursor
-                    if tail < head {
-                        tail = movement::left(map, head);
-                    } else {
-                        tail = head;
-                        head = movement::right(map, head);
-                    }
-
-                    // create a classifier
-                    let classifier = map.buffer_snapshot.char_classifier_at(head.to_point(map));
-
-                    for _ in 0..times {
-                        let (maybe_next_tail, next_head) =
-                            movement::find_boundary_trail(map, head, |left, right| {
-                                is_boundary(left, right, &classifier)
-                            });
-
-                        if next_head == head && maybe_next_tail.unwrap_or(next_head) == tail {
-                            break;
-                        }
-
-                        head = next_head;
-                        if let Some(next_tail) = maybe_next_tail {
-                            tail = next_tail;
-                        }
-                    }
-
-                    selection.set_tail(tail, new_goal);
-                    selection.set_head(head, new_goal);
-                });
-            });
+                head = next_head;
+                if let Some(next_tail) = maybe_next_tail {
+                    tail = next_tail;
+                }
+            }
+            Some((head, tail))
         });
     }
 
@@ -115,56 +132,33 @@ impl Vim {
         cx: &mut Context<Self>,
         mut is_boundary: impl FnMut(char, char, &CharClassifier) -> bool,
     ) {
-        self.update_editor(window, cx, |_, editor, window, cx| {
-            editor.change_selections(Default::default(), window, cx, |s| {
-                s.move_with(|map, selection| {
-                    let times = times.unwrap_or(1);
-                    let new_goal = SelectionGoal::None;
-                    let mut head = selection.head();
-                    let mut tail = selection.tail();
+        let times = times.unwrap_or(1);
+        self.helix_new_selections(window, cx, |cursor, map| {
+            let mut head = cursor;
+            // The original cursor was one character wide,
+            // but the search starts from the left side of it,
+            // so to include that space the selection must end one character to the right.
+            let mut tail = movement::right(map, cursor);
+            let classifier = map.buffer_snapshot.char_classifier_at(head.to_point(map));
+            if head == DisplayPoint::zero() {
+                return None;
+            }
+            for _ in 0..times {
+                let (maybe_next_tail, next_head) =
+                    movement::find_preceding_boundary_trail(map, head, |left, right| {
+                        is_boundary(left, right, &classifier)
+                    });
 
-                    if head == DisplayPoint::zero() {
-                        return;
-                    }
+                if next_head == head && maybe_next_tail.unwrap_or(next_head) == tail {
+                    break;
+                }
 
-                    // collapse to block cursor
-                    if tail < head {
-                        tail = movement::left(map, head);
-                    } else {
-                        tail = head;
-                        head = movement::right(map, head);
-                    }
-
-                    selection.set_head(head, new_goal);
-                    selection.set_tail(tail, new_goal);
-                    // flip the selection
-                    selection.swap_head_tail();
-                    head = selection.head();
-                    tail = selection.tail();
-
-                    // create a classifier
-                    let classifier = map.buffer_snapshot.char_classifier_at(head.to_point(map));
-
-                    for _ in 0..times {
-                        let (maybe_next_tail, next_head) =
-                            movement::find_preceding_boundary_trail(map, head, |left, right| {
-                                is_boundary(left, right, &classifier)
-                            });
-
-                        if next_head == head && maybe_next_tail.unwrap_or(next_head) == tail {
-                            break;
-                        }
-
-                        head = next_head;
-                        if let Some(next_tail) = maybe_next_tail {
-                            tail = next_tail;
-                        }
-                    }
-
-                    selection.set_tail(tail, new_goal);
-                    selection.set_head(head, new_goal);
-                });
-            })
+                head = next_head;
+                if let Some(next_tail) = maybe_next_tail {
+                    tail = next_tail;
+                }
+            }
+            Some((head, tail))
         });
     }
 
@@ -175,7 +169,7 @@ impl Vim {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.change_selections(Default::default(), window, cx, |s| {
                 s.move_with(|map, selection| {
@@ -210,10 +204,7 @@ impl Vim {
                     let right_kind = classifier.kind_with(right, ignore_punctuation);
                     let at_newline = (left == '\n') ^ (right == '\n');
 
-                    let found = (left_kind != right_kind && right_kind != CharKind::Whitespace)
-                        || at_newline;
-
-                    found
+                    (left_kind != right_kind && right_kind != CharKind::Whitespace) || at_newline
                 })
             }
             Motion::NextWordEnd { ignore_punctuation } => {
@@ -222,10 +213,7 @@ impl Vim {
                     let right_kind = classifier.kind_with(right, ignore_punctuation);
                     let at_newline = (left == '\n') ^ (right == '\n');
 
-                    let found = (left_kind != right_kind && left_kind != CharKind::Whitespace)
-                        || at_newline;
-
-                    found
+                    (left_kind != right_kind && left_kind != CharKind::Whitespace) || at_newline
                 })
             }
             Motion::PreviousWordStart { ignore_punctuation } => {
@@ -234,10 +222,7 @@ impl Vim {
                     let right_kind = classifier.kind_with(right, ignore_punctuation);
                     let at_newline = (left == '\n') ^ (right == '\n');
 
-                    let found = (left_kind != right_kind && left_kind != CharKind::Whitespace)
-                        || at_newline;
-
-                    found
+                    (left_kind != right_kind && left_kind != CharKind::Whitespace) || at_newline
                 })
             }
             Motion::PreviousWordEnd { ignore_punctuation } => {
@@ -246,73 +231,106 @@ impl Vim {
                     let right_kind = classifier.kind_with(right, ignore_punctuation);
                     let at_newline = (left == '\n') ^ (right == '\n');
 
-                    let found = (left_kind != right_kind && right_kind != CharKind::Whitespace)
-                        || at_newline;
-
-                    found
+                    (left_kind != right_kind && right_kind != CharKind::Whitespace) || at_newline
                 })
             }
-            Motion::FindForward { .. } => {
-                self.update_editor(window, cx, |_, editor, window, cx| {
-                    let text_layout_details = editor.text_layout_details(window);
-                    editor.change_selections(Default::default(), window, cx, |s| {
-                        s.move_with(|map, selection| {
-                            let goal = selection.goal;
-                            let cursor = if selection.is_empty() || selection.reversed {
-                                selection.head()
-                            } else {
-                                movement::left(map, selection.head())
-                            };
-
-                            let (point, goal) = motion
-                                .move_point(
-                                    map,
-                                    cursor,
-                                    selection.goal,
-                                    times,
-                                    &text_layout_details,
-                                )
-                                .unwrap_or((cursor, goal));
-                            selection.set_tail(selection.head(), goal);
-                            selection.set_head(movement::right(map, point), goal);
-                        })
-                    });
+            Motion::FindForward {
+                before,
+                char,
+                mode,
+                smartcase,
+            } => {
+                self.helix_new_selections(window, cx, |cursor, map| {
+                    let start = cursor;
+                    let mut last_boundary = start;
+                    for _ in 0..times.unwrap_or(1) {
+                        last_boundary = movement::find_boundary(
+                            map,
+                            movement::right(map, last_boundary),
+                            mode,
+                            |left, right| {
+                                let current_char = if before { right } else { left };
+                                motion::is_character_match(char, current_char, smartcase)
+                            },
+                        );
+                    }
+                    Some((last_boundary, start))
                 });
             }
-            Motion::FindBackward { .. } => {
-                self.update_editor(window, cx, |_, editor, window, cx| {
-                    let text_layout_details = editor.text_layout_details(window);
-                    editor.change_selections(Default::default(), window, cx, |s| {
-                        s.move_with(|map, selection| {
-                            let goal = selection.goal;
-                            let cursor = if selection.is_empty() || selection.reversed {
-                                selection.head()
-                            } else {
-                                movement::left(map, selection.head())
-                            };
-
-                            let (point, goal) = motion
-                                .move_point(
-                                    map,
-                                    cursor,
-                                    selection.goal,
-                                    times,
-                                    &text_layout_details,
-                                )
-                                .unwrap_or((cursor, goal));
-                            selection.set_tail(selection.head(), goal);
-                            selection.set_head(point, goal);
-                        })
-                    });
+            Motion::FindBackward {
+                after,
+                char,
+                mode,
+                smartcase,
+            } => {
+                self.helix_new_selections(window, cx, |cursor, map| {
+                    let start = cursor;
+                    let mut last_boundary = start;
+                    for _ in 0..times.unwrap_or(1) {
+                        last_boundary = movement::find_preceding_boundary_display_point(
+                            map,
+                            last_boundary,
+                            mode,
+                            |left, right| {
+                                let current_char = if after { left } else { right };
+                                motion::is_character_match(char, current_char, smartcase)
+                            },
+                        );
+                    }
+                    // The original cursor was one character wide,
+                    // but the search started from the left side of it,
+                    // so to include that space the selection must end one character to the right.
+                    Some((last_boundary, movement::right(map, start)))
                 });
             }
             _ => self.helix_move_and_collapse(motion, times, window, cx),
         }
     }
 
+    pub fn helix_yank(&mut self, _: &HelixYank, window: &mut Window, cx: &mut Context<Self>) {
+        self.update_editor(cx, |vim, editor, cx| {
+            let has_selection = editor
+                .selections
+                .all_adjusted(cx)
+                .iter()
+                .any(|selection| !selection.is_empty());
+
+            if !has_selection {
+                // If no selection, expand to current character (like 'v' does)
+                editor.change_selections(Default::default(), window, cx, |s| {
+                    s.move_with(|map, selection| {
+                        let head = selection.head();
+                        let new_head = movement::saturating_right(map, head);
+                        selection.set_tail(head, SelectionGoal::None);
+                        selection.set_head(new_head, SelectionGoal::None);
+                    });
+                });
+                vim.yank_selections_content(
+                    editor,
+                    crate::motion::MotionKind::Exclusive,
+                    window,
+                    cx,
+                );
+                editor.change_selections(Default::default(), window, cx, |s| {
+                    s.move_with(|_map, selection| {
+                        selection.collapse_to(selection.start, SelectionGoal::None);
+                    });
+                });
+            } else {
+                // Yank the selection(s)
+                vim.yank_selections_content(
+                    editor,
+                    crate::motion::MotionKind::Exclusive,
+                    window,
+                    cx,
+                );
+            }
+        });
+    }
+
     fn helix_insert(&mut self, _: &HelixInsert, window: &mut Window, cx: &mut Context<Self>) {
         self.start_recording(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.change_selections(Default::default(), window, cx, |s| {
                 s.move_with(|_map, selection| {
                     // In helix normal mode, move cursor to start of selection and collapse
@@ -328,7 +346,7 @@ impl Vim {
     fn helix_append(&mut self, _: &HelixAppend, window: &mut Window, cx: &mut Context<Self>) {
         self.start_recording(cx);
         self.switch_mode(Mode::Insert, false, window, cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.change_selections(Default::default(), window, cx, |s| {
                 s.move_with(|map, selection| {
                     let point = if selection.is_empty() {
@@ -343,7 +361,7 @@ impl Vim {
     }
 
     pub fn helix_replace(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let (map, selections) = editor.selections.all_display(cx);
 
@@ -415,6 +433,15 @@ impl Vim {
         });
         self.switch_mode(Mode::HelixNormal, true, window, cx);
     }
+
+    pub fn helix_goto_last_modification(
+        &mut self,
+        _: &HelixGotoLastModification,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        self.jump(".".into(), false, false, window, cx);
+    }
 }
 
 #[cfg(test)]
@@ -426,6 +453,7 @@ mod test {
     #[gpui::test]
     async fn test_word_motions(cx: &mut gpui::TestAppContext) {
         let mut cx = VimTestContext::new(cx, true).await;
+        cx.enable_helix();
         // «
         // ˇ
         // »
@@ -487,6 +515,7 @@ mod test {
     #[gpui::test]
     async fn test_delete(cx: &mut gpui::TestAppContext) {
         let mut cx = VimTestContext::new(cx, true).await;
+        cx.enable_helix();
 
         // test delete a selection
         cx.set_state(
@@ -519,27 +548,27 @@ mod test {
         );
     }
 
-    // #[gpui::test]
-    // async fn test_delete_character_end_of_line(cx: &mut gpui::TestAppContext) {
-    //     let mut cx = VimTestContext::new(cx, true).await;
+    #[gpui::test]
+    async fn test_delete_character_end_of_line(cx: &mut gpui::TestAppContext) {
+        let mut cx = VimTestContext::new(cx, true).await;
 
-    //     cx.set_state(
-    //         indoc! {"
-    //         The quick brownˇ
-    //         fox jumps over
-    //         the lazy dog."},
-    //         Mode::HelixNormal,
-    //     );
+        cx.set_state(
+            indoc! {"
+            The quick brownˇ
+            fox jumps over
+            the lazy dog."},
+            Mode::HelixNormal,
+        );
 
-    //     cx.simulate_keystrokes("d");
+        cx.simulate_keystrokes("d");
 
-    //     cx.assert_state(
-    //         indoc! {"
-    //         The quick brownˇfox jumps over
-    //         the lazy dog."},
-    //         Mode::HelixNormal,
-    //     );
-    // }
+        cx.assert_state(
+            indoc! {"
+            The quick brownˇfox jumps over
+            the lazy dog."},
+            Mode::HelixNormal,
+        );
+    }
 
     // #[gpui::test]
     // async fn test_delete_character_end_of_buffer(cx: &mut gpui::TestAppContext) {
@@ -567,6 +596,7 @@ mod test {
     #[gpui::test]
     async fn test_f_and_t(cx: &mut gpui::TestAppContext) {
         let mut cx = VimTestContext::new(cx, true).await;
+        cx.enable_helix();
 
         cx.set_state(
             indoc! {"
@@ -586,13 +616,33 @@ mod test {
             Mode::HelixNormal,
         );
 
-        cx.simulate_keystrokes("2 T r");
+        cx.simulate_keystrokes("F e F e");
 
         cx.assert_state(
             indoc! {"
-                The quick br«ˇown
-                fox jumps over
-                the laz»y dog."},
+                The quick brown
+                fox jumps ov«ˇer
+                the» lazy dog."},
+            Mode::HelixNormal,
+        );
+
+        cx.simulate_keystrokes("e 2 F e");
+
+        cx.assert_state(
+            indoc! {"
+                Th«ˇe quick brown
+                fox jumps over»
+                the lazy dog."},
+            Mode::HelixNormal,
+        );
+
+        cx.simulate_keystrokes("t r t r");
+
+        cx.assert_state(
+            indoc! {"
+                The quick «brown
+                fox jumps oveˇ»r
+                the lazy dog."},
             Mode::HelixNormal,
         );
     }
@@ -600,6 +650,7 @@ mod test {
     #[gpui::test]
     async fn test_newline_char(cx: &mut gpui::TestAppContext) {
         let mut cx = VimTestContext::new(cx, true).await;
+        cx.enable_helix();
 
         cx.set_state("aa«\nˇ»bb cc", Mode::HelixNormal);
 
@@ -617,6 +668,7 @@ mod test {
     #[gpui::test]
     async fn test_insert_selected(cx: &mut gpui::TestAppContext) {
         let mut cx = VimTestContext::new(cx, true).await;
+        cx.enable_helix();
         cx.set_state(
             indoc! {"
             «The ˇ»quick brown
@@ -639,6 +691,7 @@ mod test {
     #[gpui::test]
     async fn test_append(cx: &mut gpui::TestAppContext) {
         let mut cx = VimTestContext::new(cx, true).await;
+        cx.enable_helix();
         // test from the end of the selection
         cx.set_state(
             indoc! {"
@@ -681,6 +734,7 @@ mod test {
     #[gpui::test]
     async fn test_replace(cx: &mut gpui::TestAppContext) {
         let mut cx = VimTestContext::new(cx, true).await;
+        cx.enable_helix();
 
         // No selection (single character)
         cx.set_state("ˇaa", Mode::HelixNormal);
@@ -703,4 +757,97 @@ mod test {
 
         cx.assert_state("«xxˇ»", Mode::HelixNormal);
     }
+
+    #[gpui::test]
+    async fn test_helix_yank(cx: &mut gpui::TestAppContext) {
+        let mut cx = VimTestContext::new(cx, true).await;
+        cx.enable_helix();
+
+        // Test yanking current character with no selection
+        cx.set_state("hello ˇworld", Mode::HelixNormal);
+        cx.simulate_keystrokes("y");
+
+        // Test cursor remains at the same position after yanking single character
+        cx.assert_state("hello ˇworld", Mode::HelixNormal);
+        cx.shared_clipboard().assert_eq("w");
+
+        // Move cursor and yank another character
+        cx.simulate_keystrokes("l");
+        cx.simulate_keystrokes("y");
+        cx.shared_clipboard().assert_eq("o");
+
+        // Test yanking with existing selection
+        cx.set_state("hello «worlˇ»d", Mode::HelixNormal);
+        cx.simulate_keystrokes("y");
+        cx.shared_clipboard().assert_eq("worl");
+        cx.assert_state("hello «worlˇ»d", Mode::HelixNormal);
+    }
+    #[gpui::test]
+    async fn test_shift_r_paste(cx: &mut gpui::TestAppContext) {
+        let mut cx = VimTestContext::new(cx, true).await;
+        cx.enable_helix();
+
+        // First copy some text to clipboard
+        cx.set_state("«hello worldˇ»", Mode::HelixNormal);
+        cx.simulate_keystrokes("y");
+
+        // Test paste with shift-r on single cursor
+        cx.set_state("foo ˇbar", Mode::HelixNormal);
+        cx.simulate_keystrokes("shift-r");
+
+        cx.assert_state("foo hello worldˇbar", Mode::HelixNormal);
+
+        // Test paste with shift-r on selection
+        cx.set_state("foo «barˇ» baz", Mode::HelixNormal);
+        cx.simulate_keystrokes("shift-r");
+
+        cx.assert_state("foo hello worldˇ baz", Mode::HelixNormal);
+    }
+
+    #[gpui::test]
+    async fn test_insert_mode_stickiness(cx: &mut gpui::TestAppContext) {
+        let mut cx = VimTestContext::new(cx, true).await;
+        cx.enable_helix();
+
+        // Make a modification at a specific location
+        cx.set_state("ˇhello", Mode::HelixNormal);
+        assert_eq!(cx.mode(), Mode::HelixNormal);
+        cx.simulate_keystrokes("i");
+        assert_eq!(cx.mode(), Mode::Insert);
+        cx.simulate_keystrokes("escape");
+        assert_eq!(cx.mode(), Mode::HelixNormal);
+    }
+
+    #[gpui::test]
+    async fn test_goto_last_modification(cx: &mut gpui::TestAppContext) {
+        let mut cx = VimTestContext::new(cx, true).await;
+        cx.enable_helix();
+
+        // Make a modification at a specific location
+        cx.set_state("line one\nline ˇtwo\nline three", Mode::HelixNormal);
+        cx.assert_state("line one\nline ˇtwo\nline three", Mode::HelixNormal);
+        cx.simulate_keystrokes("i");
+        cx.simulate_keystrokes("escape");
+        cx.simulate_keystrokes("i");
+        cx.simulate_keystrokes("m o d i f i e d space");
+        cx.simulate_keystrokes("escape");
+
+        // TODO: this fails, because state is no longer helix
+        cx.assert_state(
+            "line one\nline modified ˇtwo\nline three",
+            Mode::HelixNormal,
+        );
+
+        // Move cursor away from the modification
+        cx.simulate_keystrokes("up");
+
+        // Use "g ." to go back to last modification
+        cx.simulate_keystrokes("g .");
+
+        // Verify we're back at the modification location and still in HelixNormal mode
+        cx.assert_state(
+            "line one\nline modifiedˇ two\nline three",
+            Mode::HelixNormal,
+        );
+    }
 }
diff --git a/crates/vim/src/indent.rs b/crates/vim/src/indent.rs
index 75b1857a5b..7ef204de0f 100644
--- a/crates/vim/src/indent.rs
+++ b/crates/vim/src/indent.rs
@@ -31,7 +31,7 @@ pub(crate) fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
         let count = Vim::take_count(cx).unwrap_or(1);
         Vim::take_forced_motion(cx);
         vim.store_visual_marks(window, cx);
-        vim.update_editor(window, cx, |vim, editor, window, cx| {
+        vim.update_editor(cx, |vim, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let original_positions = vim.save_selection_starts(editor, cx);
                 for _ in 0..count {
@@ -50,7 +50,7 @@ pub(crate) fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
         let count = Vim::take_count(cx).unwrap_or(1);
         Vim::take_forced_motion(cx);
         vim.store_visual_marks(window, cx);
-        vim.update_editor(window, cx, |vim, editor, window, cx| {
+        vim.update_editor(cx, |vim, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let original_positions = vim.save_selection_starts(editor, cx);
                 for _ in 0..count {
@@ -69,7 +69,7 @@ pub(crate) fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
         let count = Vim::take_count(cx).unwrap_or(1);
         Vim::take_forced_motion(cx);
         vim.store_visual_marks(window, cx);
-        vim.update_editor(window, cx, |vim, editor, window, cx| {
+        vim.update_editor(cx, |vim, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let original_positions = vim.save_selection_starts(editor, cx);
                 for _ in 0..count {
@@ -95,7 +95,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.transact(window, cx, |editor, window, cx| {
                 let mut selection_starts: HashMap<_, _> = Default::default();
@@ -137,7 +137,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let mut original_positions: HashMap<_, _> = Default::default();
                 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
diff --git a/crates/vim/src/insert.rs b/crates/vim/src/insert.rs
index 0a370e16ba..8ef1cd7811 100644
--- a/crates/vim/src/insert.rs
+++ b/crates/vim/src/insert.rs
@@ -3,7 +3,9 @@ use editor::{Bias, Editor};
 use gpui::{Action, Context, Window, actions};
 use language::SelectionGoal;
 use settings::Settings;
+use text::Point;
 use vim_mode_setting::HelixModeSetting;
+use workspace::searchable::Direction;
 
 actions!(
     vim,
@@ -11,13 +13,23 @@ actions!(
         /// Switches to normal mode with cursor positioned before the current character.
         NormalBefore,
         /// Temporarily switches to normal mode for one command.
-        TemporaryNormal
+        TemporaryNormal,
+        /// Inserts the next character from the line above into the current line.
+        InsertFromAbove,
+        /// Inserts the next character from the line below into the current line.
+        InsertFromBelow
     ]
 );
 
 pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
     Vim::action(editor, cx, Vim::normal_before);
     Vim::action(editor, cx, Vim::temporary_normal);
+    Vim::action(editor, cx, |vim, _: &InsertFromAbove, window, cx| {
+        vim.insert_around(Direction::Prev, window, cx)
+    });
+    Vim::action(editor, cx, |vim, _: &InsertFromBelow, window, cx| {
+        vim.insert_around(Direction::Next, window, cx)
+    })
 }
 
 impl Vim {
@@ -38,7 +50,7 @@ impl Vim {
         if count <= 1 || Vim::globals(cx).dot_replaying {
             self.create_mark("^".into(), window, cx);
 
-            self.update_editor(window, cx, |_, editor, window, cx| {
+            self.update_editor(cx, |_, editor, cx| {
                 editor.dismiss_menus_and_popups(false, window, cx);
 
                 if !HelixModeSetting::get_global(cx).0 {
@@ -71,6 +83,29 @@ impl Vim {
         self.switch_mode(Mode::Normal, true, window, cx);
         self.temp_mode = true;
     }
+
+    fn insert_around(&mut self, direction: Direction, _: &mut Window, cx: &mut Context<Self>) {
+        self.update_editor(cx, |_, editor, cx| {
+            let snapshot = editor.buffer().read(cx).snapshot(cx);
+            let mut edits = Vec::new();
+            for selection in editor.selections.all::<Point>(cx) {
+                let point = selection.head();
+                let new_row = match direction {
+                    Direction::Next => point.row + 1,
+                    Direction::Prev if point.row > 0 => point.row - 1,
+                    _ => continue,
+                };
+                let source = snapshot.clip_point(Point::new(new_row, point.column), Bias::Left);
+                if let Some(c) = snapshot.chars_at(source).next()
+                    && c != '\n'
+                {
+                    edits.push((point..point, c.to_string()))
+                }
+            }
+
+            editor.edit(edits, cx);
+        });
+    }
 }
 
 #[cfg(test)]
@@ -156,4 +191,13 @@ mod test {
             .await;
         cx.shared_state().await.assert_eq("hehello\nˇllo\n");
     }
+
+    #[gpui::test]
+    async fn test_insert_ctrl_y(cx: &mut gpui::TestAppContext) {
+        let mut cx = NeovimBackedTestContext::new(cx).await;
+
+        cx.set_shared_state("hello\nˇ\nworld").await;
+        cx.simulate_shared_keystrokes("i ctrl-y ctrl-e").await;
+        cx.shared_state().await.assert_eq("hello\nhoˇ\nworld");
+    }
 }
diff --git a/crates/vim/src/mode_indicator.rs b/crates/vim/src/mode_indicator.rs
index d54b270074..da25919342 100644
--- a/crates/vim/src/mode_indicator.rs
+++ b/crates/vim/src/mode_indicator.rs
@@ -20,7 +20,7 @@ impl ModeIndicator {
         })
         .detach();
 
-        let handle = cx.entity().clone();
+        let handle = cx.entity();
         let window_handle = window.window_handle();
         cx.observe_new::<Vim>(move |_, window, cx| {
             let Some(window) = window else {
@@ -29,7 +29,7 @@ impl ModeIndicator {
             if window.window_handle() != window_handle {
                 return;
             }
-            let vim = cx.entity().clone();
+            let vim = cx.entity();
             handle.update(cx, |_, cx| {
                 cx.subscribe(&vim, |mode_indicator, vim, event, cx| match event {
                     VimEvent::Focused => {
@@ -74,11 +74,7 @@ impl ModeIndicator {
                     .map(|count| format!("{}", count)),
             )
             .chain(vim.selected_register.map(|reg| format!("\"{reg}")))
-            .chain(
-                vim.operator_stack
-                    .iter()
-                    .map(|item| item.status().to_string()),
-            )
+            .chain(vim.operator_stack.iter().map(|item| item.status()))
             .chain(
                 cx.global::<VimGlobals>()
                     .post_count
diff --git a/crates/vim/src/motion.rs b/crates/vim/src/motion.rs
index c22cf0ef00..a54d3caa60 100644
--- a/crates/vim/src/motion.rs
+++ b/crates/vim/src/motion.rs
@@ -679,7 +679,7 @@ impl Vim {
             match self.mode {
                 Mode::Visual | Mode::VisualLine | Mode::VisualBlock => {
                     if !prior_selections.is_empty() {
-                        self.update_editor(window, cx, |_, editor, window, cx| {
+                        self.update_editor(cx, |_, editor, cx| {
                             editor.change_selections(Default::default(), window, cx, |s| {
                                 s.select_ranges(prior_selections.iter().cloned())
                             })
@@ -719,21 +719,14 @@ impl Vim {
                         target: Some(SurroundsType::Motion(motion)),
                     });
                 } else {
-                    self.normal_motion(
-                        motion.clone(),
-                        active_operator.clone(),
-                        count,
-                        forced_motion,
-                        window,
-                        cx,
-                    )
+                    self.normal_motion(motion, active_operator, count, forced_motion, window, cx)
                 }
             }
             Mode::Visual | Mode::VisualLine | Mode::VisualBlock => {
-                self.visual_motion(motion.clone(), count, window, cx)
+                self.visual_motion(motion, count, window, cx)
             }
 
-            Mode::HelixNormal => self.helix_normal_motion(motion.clone(), count, window, cx),
+            Mode::HelixNormal => self.helix_normal_motion(motion, count, window, cx),
         }
         self.clear_operator(window, cx);
         if let Some(operator) = waiting_operator {
@@ -816,10 +809,7 @@ impl Motion {
     }
 
     fn skip_exclusive_special_case(&self) -> bool {
-        match self {
-            Motion::WrappingLeft | Motion::WrappingRight => true,
-            _ => false,
-        }
+        matches!(self, Motion::WrappingLeft | Motion::WrappingRight)
     }
 
     pub(crate) fn push_to_jump_list(&self) -> bool {
@@ -1330,7 +1320,7 @@ impl Motion {
     pub fn range(
         &self,
         map: &DisplaySnapshot,
-        selection: Selection<DisplayPoint>,
+        mut selection: Selection<DisplayPoint>,
         times: Option<usize>,
         text_layout_details: &TextLayoutDetails,
         forced_motion: bool,
@@ -1375,7 +1365,6 @@ impl Motion {
             (None, true) => Some((selection.head(), selection.goal)),
         }?;
 
-        let mut selection = selection.clone();
         selection.set_head(new_head, goal);
 
         let mut kind = match (self.default_kind(), forced_motion) {
@@ -1621,10 +1610,20 @@ fn up_down_buffer_rows(
         map.line_len(begin_folded_line.row())
     };
 
-    (
-        map.clip_point(DisplayPoint::new(begin_folded_line.row(), new_col), bias),
-        goal,
-    )
+    let point = DisplayPoint::new(begin_folded_line.row(), new_col);
+    let mut clipped_point = map.clip_point(point, bias);
+
+    // When navigating vertically in vim mode with inlay hints present,
+    // we need to handle the case where clipping moves us to a different row.
+    // This can happen when moving down (Bias::Right) and hitting an inlay hint.
+    // Re-clip with opposite bias to stay on the intended line.
+    //
+    // See: https://github.com/zed-industries/zed/issues/29134
+    if clipped_point.row() > point.row() {
+        clipped_point = map.clip_point(point, Bias::Left);
+    }
+
+    (clipped_point, goal)
 }
 
 fn down_display(
@@ -1811,10 +1810,10 @@ fn previous_word_end(
         .ignore_punctuation(ignore_punctuation);
     let mut point = point.to_point(map);
 
-    if point.column < map.buffer_snapshot.line_len(MultiBufferRow(point.row)) {
-        if let Some(ch) = map.buffer_snapshot.chars_at(point).next() {
-            point.column += ch.len_utf8() as u32;
-        }
+    if point.column < map.buffer_snapshot.line_len(MultiBufferRow(point.row))
+        && let Some(ch) = map.buffer_snapshot.chars_at(point).next()
+    {
+        point.column += ch.len_utf8() as u32;
     }
     for _ in 0..times {
         let new_point = movement::find_preceding_boundary_point(
@@ -1986,10 +1985,10 @@ fn previous_subword_end(
         .ignore_punctuation(ignore_punctuation);
     let mut point = point.to_point(map);
 
-    if point.column < map.buffer_snapshot.line_len(MultiBufferRow(point.row)) {
-        if let Some(ch) = map.buffer_snapshot.chars_at(point).next() {
-            point.column += ch.len_utf8() as u32;
-        }
+    if point.column < map.buffer_snapshot.line_len(MultiBufferRow(point.row))
+        && let Some(ch) = map.buffer_snapshot.chars_at(point).next()
+    {
+        point.column += ch.len_utf8() as u32;
     }
     for _ in 0..times {
         let new_point = movement::find_preceding_boundary_point(
@@ -2054,10 +2053,10 @@ pub(crate) fn last_non_whitespace(
     let classifier = map.buffer_snapshot.char_classifier_at(from.to_point(map));
 
     // NOTE: depending on clip_at_line_end we may already be one char back from the end.
-    if let Some((ch, _)) = map.buffer_chars_at(end_of_line).next() {
-        if classifier.kind(ch) != CharKind::Whitespace {
-            return end_of_line.to_display_point(map);
-        }
+    if let Some((ch, _)) = map.buffer_chars_at(end_of_line).next()
+        && classifier.kind(ch) != CharKind::Whitespace
+    {
+        return end_of_line.to_display_point(map);
     }
 
     for (ch, offset) in map.reverse_buffer_chars_at(end_of_line) {
@@ -2280,8 +2279,8 @@ fn go_to_line(map: &DisplaySnapshot, display_point: DisplayPoint, line: usize) -
     }
     let mut last_position = None;
     for (excerpt, buffer, range) in map.buffer_snapshot.excerpts() {
-        let excerpt_range = language::ToOffset::to_offset(&range.context.start, &buffer)
-            ..language::ToOffset::to_offset(&range.context.end, &buffer);
+        let excerpt_range = language::ToOffset::to_offset(&range.context.start, buffer)
+            ..language::ToOffset::to_offset(&range.context.end, buffer);
         if offset >= excerpt_range.start && offset <= excerpt_range.end {
             let text_anchor = buffer.anchor_after(offset);
             let anchor = Anchor::in_buffer(excerpt, buffer.remote_id(), text_anchor);
@@ -2375,7 +2374,7 @@ fn matching_tag(map: &DisplaySnapshot, head: DisplayPoint) -> Option<DisplayPoin
         }
     }
 
-    return None;
+    None
 }
 
 fn matching(map: &DisplaySnapshot, display_point: DisplayPoint) -> DisplayPoint {
@@ -2404,9 +2403,7 @@ fn matching(map: &DisplaySnapshot, display_point: DisplayPoint) -> DisplayPoint
     let line_range = map.prev_line_boundary(point).0..line_end;
     let visible_line_range =
         line_range.start..Point::new(line_range.end.row, line_range.end.column.saturating_sub(1));
-    let ranges = map
-        .buffer_snapshot
-        .bracket_ranges(visible_line_range.clone());
+    let ranges = map.buffer_snapshot.bracket_ranges(visible_line_range);
     if let Some(ranges) = ranges {
         let line_range = line_range.start.to_offset(&map.buffer_snapshot)
             ..line_range.end.to_offset(&map.buffer_snapshot);
@@ -2517,7 +2514,7 @@ fn unmatched_forward(
         }
         display_point = new_point;
     }
-    return display_point;
+    display_point
 }
 
 fn unmatched_backward(
@@ -2639,7 +2636,8 @@ fn find_backward(
     }
 }
 
-fn is_character_match(target: char, other: char, smartcase: bool) -> bool {
+/// Returns true if one char is equal to the other or its uppercase variant (if smartcase is true).
+pub fn is_character_match(target: char, other: char, smartcase: bool) -> bool {
     if smartcase {
         if target.is_uppercase() {
             target == other
@@ -2881,7 +2879,7 @@ fn method_motion(
         } else {
             possibilities.min().unwrap_or(offset)
         };
-        let new_point = map.clip_point(dest.to_display_point(&map), Bias::Left);
+        let new_point = map.clip_point(dest.to_display_point(map), Bias::Left);
         if new_point == display_point {
             break;
         }
@@ -2935,7 +2933,7 @@ fn comment_motion(
         } else {
             possibilities.min().unwrap_or(offset)
         };
-        let new_point = map.clip_point(dest.to_display_point(&map), Bias::Left);
+        let new_point = map.clip_point(dest.to_display_point(map), Bias::Left);
         if new_point == display_point {
             break;
         }
@@ -3002,7 +3000,7 @@ fn section_motion(
                 possibilities.min().unwrap_or(map.buffer_snapshot.len())
             };
 
-            let new_point = map.clip_point(offset.to_display_point(&map), Bias::Left);
+            let new_point = map.clip_point(offset.to_display_point(map), Bias::Left);
             if new_point == display_point {
                 break;
             }
@@ -3808,7 +3806,7 @@ mod test {
         cx.update_editor(|editor, _window, cx| {
             let range = editor.selections.newest_anchor().range();
             let inlay_text = "  field: int,\n  field2: string\n  field3: float";
-            let inlay = Inlay::inline_completion(1, range.start, inlay_text);
+            let inlay = Inlay::edit_prediction(1, range.start, inlay_text);
             editor.splice_inlays(&[], vec![inlay], cx);
         });
 
@@ -3840,7 +3838,7 @@ mod test {
             let end_of_line =
                 snapshot.anchor_after(Point::new(0, snapshot.line_len(MultiBufferRow(0))));
             let inlay_text = " hint";
-            let inlay = Inlay::inline_completion(1, end_of_line, inlay_text);
+            let inlay = Inlay::edit_prediction(1, end_of_line, inlay_text);
             editor.splice_inlays(&[], vec![inlay], cx);
         });
         cx.simulate_keystrokes("$");
@@ -3854,6 +3852,84 @@ mod test {
         );
     }
 
+    #[gpui::test]
+    async fn test_visual_mode_with_inlay_hints_on_empty_line(cx: &mut gpui::TestAppContext) {
+        let mut cx = VimTestContext::new(cx, true).await;
+
+        // Test the exact scenario from issue #29134
+        cx.set_state(
+            indoc! {"
+                fn main() {
+                    let this_is_a_long_name = Vec::<u32>::new();
+                    let new_oneˇ = this_is_a_long_name
+                        .iter()
+                        .map(|i| i + 1)
+                        .map(|i| i * 2)
+                        .collect::<Vec<_>>();
+                }
+            "},
+            Mode::Normal,
+        );
+
+        // Add type hint inlay on the empty line (line 3, after "this_is_a_long_name")
+        cx.update_editor(|editor, _window, cx| {
+            let snapshot = editor.buffer().read(cx).snapshot(cx);
+            // The empty line is at line 3 (0-indexed)
+            let line_start = snapshot.anchor_after(Point::new(3, 0));
+            let inlay_text = ": Vec<u32>";
+            let inlay = Inlay::edit_prediction(1, line_start, inlay_text);
+            editor.splice_inlays(&[], vec![inlay], cx);
+        });
+
+        // Enter visual mode
+        cx.simulate_keystrokes("v");
+        cx.assert_state(
+            indoc! {"
+                fn main() {
+                    let this_is_a_long_name = Vec::<u32>::new();
+                    let new_one« ˇ»= this_is_a_long_name
+                        .iter()
+                        .map(|i| i + 1)
+                        .map(|i| i * 2)
+                        .collect::<Vec<_>>();
+                }
+            "},
+            Mode::Visual,
+        );
+
+        // Move down - should go to the beginning of line 4, not skip to line 5
+        cx.simulate_keystrokes("j");
+        cx.assert_state(
+            indoc! {"
+                fn main() {
+                    let this_is_a_long_name = Vec::<u32>::new();
+                    let new_one« = this_is_a_long_name
+                      ˇ»  .iter()
+                        .map(|i| i + 1)
+                        .map(|i| i * 2)
+                        .collect::<Vec<_>>();
+                }
+            "},
+            Mode::Visual,
+        );
+
+        // Test with multiple movements
+        cx.set_state("let aˇ = 1;\nlet b = 2;\n\nlet c = 3;", Mode::Normal);
+
+        // Add type hint on the empty line
+        cx.update_editor(|editor, _window, cx| {
+            let snapshot = editor.buffer().read(cx).snapshot(cx);
+            let empty_line_start = snapshot.anchor_after(Point::new(2, 0));
+            let inlay_text = ": i32";
+            let inlay = Inlay::edit_prediction(2, empty_line_start, inlay_text);
+            editor.splice_inlays(&[], vec![inlay], cx);
+        });
+
+        // Enter visual mode and move down twice
+        cx.simulate_keystrokes("v j j");
+        cx.assert_state("let a« = 1;\nlet b = 2;\n\nˇ»let c = 3;", Mode::Visual);
+    }
+
     #[gpui::test]
     async fn test_go_to_percentage(cx: &mut gpui::TestAppContext) {
         let mut cx = NeovimBackedTestContext::new(cx).await;
@@ -4098,7 +4174,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
              ˇhe quick brown fox
              jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
             the quick bˇrown fox
@@ -4108,7 +4184,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
             ˇown fox
             jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
             the quick brown foˇx
@@ -4118,7 +4194,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
             ˇ
             jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
     }
 
     #[gpui::test]
@@ -4133,7 +4209,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
              ˇbrown fox
              jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
             the quick bˇrown fox
@@ -4143,7 +4219,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
             the quickˇown fox
             jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
             the quick brown foˇx
@@ -4153,7 +4229,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
             the quicˇk
             jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
             ˇthe quick brown fox
@@ -4163,7 +4239,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
             ˇ fox
             jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
             ˇthe quick brown fox
@@ -4173,7 +4249,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
             ˇuick brown fox
             jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
     }
 
     #[gpui::test]
@@ -4188,7 +4264,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
              the quick brown foˇx
              jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
              ˇthe quick brown fox
@@ -4198,7 +4274,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
              ˇx
              jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
     }
 
     #[gpui::test]
@@ -4214,7 +4290,7 @@ mod test {
                the quick brown fox
                ˇthe quick brown fox
                jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
               the quick bˇrown fox
@@ -4225,7 +4301,7 @@ mod test {
               the quick brˇrown fox
               jumped overown fox
               jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
              the quick brown foˇx
@@ -4236,7 +4312,7 @@ mod test {
              the quick brown foxˇx
              jumped over the la
              jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
              the quick brown fox
@@ -4247,7 +4323,7 @@ mod test {
             thˇhe quick brown fox
             je quick brown fox
             jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
     }
 
     #[gpui::test]
@@ -4262,7 +4338,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
               ˇe quick brown fox
               jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
               the quick bˇrown fox
@@ -4272,7 +4348,7 @@ mod test {
         cx.shared_state().await.assert_eq(indoc! {"
               the quick bˇn fox
               jumped over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
 
         cx.set_shared_state(indoc! {"
              the quick brown foˇx
@@ -4281,6 +4357,6 @@ mod test {
         cx.simulate_shared_keystrokes("d v e").await;
         cx.shared_state().await.assert_eq(indoc! {"
         the quick brown foˇd over the lazy dog"});
-        assert_eq!(cx.cx.forced_motion(), false);
+        assert!(!cx.cx.forced_motion());
     }
 }
diff --git a/crates/vim/src/normal.rs b/crates/vim/src/normal.rs
index 13128e7b40..0c7b6e55a1 100644
--- a/crates/vim/src/normal.rs
+++ b/crates/vim/src/normal.rs
@@ -132,7 +132,7 @@ pub(crate) fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
 
     Vim::action(editor, cx, |vim, _: &HelixDelete, window, cx| {
         vim.record_current_action(cx);
-        vim.update_editor(window, cx, |_, editor, window, cx| {
+        vim.update_editor(cx, |_, editor, cx| {
             editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
                 s.move_with(|map, selection| {
                     if selection.is_empty() {
@@ -146,7 +146,7 @@ pub(crate) fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
     });
 
     Vim::action(editor, cx, |vim, _: &HelixCollapseSelection, window, cx| {
-        vim.update_editor(window, cx, |_, editor, window, cx| {
+        vim.update_editor(cx, |_, editor, cx| {
             editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
                 s.move_with(|map, selection| {
                     let mut point = selection.head();
@@ -198,7 +198,7 @@ pub(crate) fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
     Vim::action(editor, cx, |vim, _: &Undo, window, cx| {
         let times = Vim::take_count(cx);
         Vim::take_forced_motion(cx);
-        vim.update_editor(window, cx, |_, editor, window, cx| {
+        vim.update_editor(cx, |_, editor, cx| {
             for _ in 0..times.unwrap_or(1) {
                 editor.undo(&editor::actions::Undo, window, cx);
             }
@@ -207,7 +207,7 @@ pub(crate) fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
     Vim::action(editor, cx, |vim, _: &Redo, window, cx| {
         let times = Vim::take_count(cx);
         Vim::take_forced_motion(cx);
-        vim.update_editor(window, cx, |_, editor, window, cx| {
+        vim.update_editor(cx, |_, editor, cx| {
             for _ in 0..times.unwrap_or(1) {
                 editor.redo(&editor::actions::Redo, window, cx);
             }
@@ -215,13 +215,13 @@ pub(crate) fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
     });
     Vim::action(editor, cx, |vim, _: &UndoLastLine, window, cx| {
         Vim::take_forced_motion(cx);
-        vim.update_editor(window, cx, |vim, editor, window, cx| {
+        vim.update_editor(cx, |vim, editor, cx| {
             let snapshot = editor.buffer().read(cx).snapshot(cx);
             let Some(last_change) = editor.change_list.last_before_grouping() else {
                 return;
             };
 
-            let anchors = last_change.iter().cloned().collect::<Vec<_>>();
+            let anchors = last_change.to_vec();
             let mut last_row = None;
             let ranges: Vec<_> = anchors
                 .iter()
@@ -526,7 +526,7 @@ impl Vim {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.change_selections(
                 SelectionEffects::default().nav_history(motion.push_to_jump_list()),
@@ -546,7 +546,7 @@ impl Vim {
     fn insert_after(&mut self, _: &InsertAfter, window: &mut Window, cx: &mut Context<Self>) {
         self.start_recording(cx);
         self.switch_mode(Mode::Insert, false, window, cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.change_selections(Default::default(), window, cx, |s| {
                 s.move_cursors_with(|map, cursor, _| (right(map, cursor, 1), SelectionGoal::None));
             });
@@ -557,7 +557,7 @@ impl Vim {
         self.start_recording(cx);
         if self.mode.is_visual() {
             let current_mode = self.mode;
-            self.update_editor(window, cx, |_, editor, window, cx| {
+            self.update_editor(cx, |_, editor, cx| {
                 editor.change_selections(Default::default(), window, cx, |s| {
                     s.move_with(|map, selection| {
                         if current_mode == Mode::VisualLine {
@@ -581,7 +581,7 @@ impl Vim {
     ) {
         self.start_recording(cx);
         self.switch_mode(Mode::Insert, false, window, cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.change_selections(Default::default(), window, cx, |s| {
                 s.move_cursors_with(|map, cursor, _| {
                     (
@@ -601,7 +601,7 @@ impl Vim {
     ) {
         self.start_recording(cx);
         self.switch_mode(Mode::Insert, false, window, cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.change_selections(Default::default(), window, cx, |s| {
                 s.move_cursors_with(|map, cursor, _| {
                     (next_line_end(map, cursor, 1), SelectionGoal::None)
@@ -618,7 +618,7 @@ impl Vim {
     ) {
         self.start_recording(cx);
         self.switch_mode(Mode::Insert, false, window, cx);
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let Some(Mark::Local(marks)) = vim.get_mark("^", editor, window, cx) else {
                 return;
             };
@@ -637,7 +637,7 @@ impl Vim {
     ) {
         self.start_recording(cx);
         self.switch_mode(Mode::Insert, false, window, cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let selections = editor.selections.all::<Point>(cx);
                 let snapshot = editor.buffer().read(cx).snapshot(cx);
@@ -678,7 +678,7 @@ impl Vim {
     ) {
         self.start_recording(cx);
         self.switch_mode(Mode::Insert, false, window, cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.transact(window, cx, |editor, window, cx| {
                 let selections = editor.selections.all::<Point>(cx);
@@ -725,7 +725,7 @@ impl Vim {
         self.record_current_action(cx);
         let count = Vim::take_count(cx).unwrap_or(1);
         Vim::take_forced_motion(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, _, cx| {
                 let selections = editor.selections.all::<Point>(cx);
 
@@ -754,7 +754,7 @@ impl Vim {
         self.record_current_action(cx);
         let count = Vim::take_count(cx).unwrap_or(1);
         Vim::take_forced_motion(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let selections = editor.selections.all::<Point>(cx);
                 let snapshot = editor.buffer().read(cx).snapshot(cx);
@@ -804,7 +804,7 @@ impl Vim {
             times -= 1;
         }
 
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 for _ in 0..times {
                     editor.join_lines_impl(insert_whitespace, window, cx)
@@ -828,10 +828,10 @@ impl Vim {
         )
     }
 
-    fn show_location(&mut self, _: &ShowLocation, window: &mut Window, cx: &mut Context<Self>) {
+    fn show_location(&mut self, _: &ShowLocation, _: &mut Window, cx: &mut Context<Self>) {
         let count = Vim::take_count(cx);
         Vim::take_forced_motion(cx);
-        self.update_editor(window, cx, |vim, editor, _window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let selection = editor.selections.newest_anchor();
             let Some((buffer, point, _)) = editor
                 .buffer()
@@ -875,7 +875,7 @@ impl Vim {
     fn toggle_comments(&mut self, _: &ToggleComments, window: &mut Window, cx: &mut Context<Self>) {
         self.record_current_action(cx);
         self.store_visual_marks(window, cx);
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let original_positions = vim.save_selection_starts(editor, cx);
                 editor.toggle_comments(&Default::default(), window, cx);
@@ -897,7 +897,7 @@ impl Vim {
         let count = Vim::take_count(cx).unwrap_or(1);
         Vim::take_forced_motion(cx);
         self.stop_recording(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
                 let (map, display_selections) = editor.selections.all_display(cx);
diff --git a/crates/vim/src/normal/change.rs b/crates/vim/src/normal/change.rs
index 135cdd687f..2af22bf050 100644
--- a/crates/vim/src/normal/change.rs
+++ b/crates/vim/src/normal/change.rs
@@ -34,7 +34,7 @@ impl Vim {
         } else {
             None
         };
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.transact(window, cx, |editor, window, cx| {
                 // We are swapping to insert mode anyway. Just set the line end clipping behavior now
@@ -90,7 +90,7 @@ impl Vim {
                 if let Some(kind) = motion_kind {
                     vim.copy_selections_content(editor, kind, window, cx);
                     editor.insert("", window, cx);
-                    editor.refresh_inline_completion(true, false, window, cx);
+                    editor.refresh_edit_prediction(true, false, window, cx);
                 }
             });
         });
@@ -111,7 +111,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         let mut objects_found = false;
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             // We are swapping to insert mode anyway. Just set the line end clipping behavior now
             editor.set_clip_at_line_ends(false, cx);
             editor.transact(window, cx, |editor, window, cx| {
@@ -123,7 +123,7 @@ impl Vim {
                 if objects_found {
                     vim.copy_selections_content(editor, MotionKind::Exclusive, window, cx);
                     editor.insert("", window, cx);
-                    editor.refresh_inline_completion(true, false, window, cx);
+                    editor.refresh_edit_prediction(true, false, window, cx);
                 }
             });
         });
@@ -155,12 +155,11 @@ fn expand_changed_word_selection(
         let classifier = map
             .buffer_snapshot
             .char_classifier_at(selection.start.to_point(map));
-        let in_word = map
-            .buffer_chars_at(selection.head().to_offset(map, Bias::Left))
+
+        map.buffer_chars_at(selection.head().to_offset(map, Bias::Left))
             .next()
             .map(|(c, _)| !classifier.is_whitespace(c))
-            .unwrap_or_default();
-        in_word
+            .unwrap_or_default()
     };
     if (times.is_none() || times.unwrap() == 1) && is_in_word() {
         let next_char = map
diff --git a/crates/vim/src/normal/convert.rs b/crates/vim/src/normal/convert.rs
index cf9498bec9..4b9c3fc8f7 100644
--- a/crates/vim/src/normal/convert.rs
+++ b/crates/vim/src/normal/convert.rs
@@ -31,7 +31,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.set_clip_at_line_ends(false, cx);
             let text_layout_details = editor.text_layout_details(window);
             editor.transact(window, cx, |editor, window, cx| {
@@ -87,7 +87,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
                 let mut original_positions: HashMap<_, _> = Default::default();
@@ -195,7 +195,7 @@ impl Vim {
         let count = Vim::take_count(cx).unwrap_or(1) as u32;
         Vim::take_forced_motion(cx);
 
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let mut ranges = Vec::new();
             let mut cursor_positions = Vec::new();
             let snapshot = editor.buffer().read(cx).snapshot(cx);
diff --git a/crates/vim/src/normal/delete.rs b/crates/vim/src/normal/delete.rs
index ccbb3dd0fd..6f406d0c44 100644
--- a/crates/vim/src/normal/delete.rs
+++ b/crates/vim/src/normal/delete.rs
@@ -2,6 +2,7 @@ use crate::{
     Vim,
     motion::{Motion, MotionKind},
     object::Object,
+    state::Mode,
 };
 use collections::{HashMap, HashSet};
 use editor::{
@@ -22,7 +23,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
@@ -73,16 +74,16 @@ impl Vim {
                 editor.change_selections(Default::default(), window, cx, |s| {
                     s.move_with(|map, selection| {
                         let mut cursor = selection.head();
-                        if kind.linewise() {
-                            if let Some(column) = original_columns.get(&selection.id) {
-                                *cursor.column_mut() = *column
-                            }
+                        if kind.linewise()
+                            && let Some(column) = original_columns.get(&selection.id)
+                        {
+                            *cursor.column_mut() = *column
                         }
                         cursor = map.clip_point(cursor, Bias::Left);
                         selection.collapse_to(cursor, selection.goal)
                     });
                 });
-                editor.refresh_inline_completion(true, false, window, cx);
+                editor.refresh_edit_prediction(true, false, window, cx);
             });
         });
     }
@@ -96,14 +97,26 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
                 // Emulates behavior in vim where if we expanded backwards to include a newline
                 // the cursor gets set back to the start of the line
                 let mut should_move_to_start: HashSet<_> = Default::default();
+
+                // Emulates behavior in vim where after deletion the cursor should try to move
+                // to the same column it was before deletion if the line is not empty or only
+                // contains whitespace
+                let mut column_before_move: HashMap<_, _> = Default::default();
+                let target_mode = object.target_visual_mode(vim.mode, around);
+
                 editor.change_selections(Default::default(), window, cx, |s| {
                     s.move_with(|map, selection| {
+                        let cursor_point = selection.head().to_point(map);
+                        if target_mode == Mode::VisualLine {
+                            column_before_move.insert(selection.id, cursor_point.column);
+                        }
+
                         object.expand_selection(map, selection, around, times);
                         let offset_range = selection.map(|p| p.to_offset(map, Bias::Left)).range();
                         let mut move_selection_start_to_previous_line =
@@ -164,12 +177,21 @@ impl Vim {
                         let mut cursor = selection.head();
                         if should_move_to_start.contains(&selection.id) {
                             *cursor.column_mut() = 0;
+                        } else if let Some(column) = column_before_move.get(&selection.id)
+                            && *column > 0
+                        {
+                            let mut cursor_point = cursor.to_point(map);
+                            cursor_point.column = *column;
+                            cursor = map
+                                .buffer_snapshot
+                                .clip_point(cursor_point, Bias::Left)
+                                .to_display_point(map);
                         }
                         cursor = map.clip_point(cursor, Bias::Left);
                         selection.collapse_to(cursor, selection.goal)
                     });
                 });
-                editor.refresh_inline_completion(true, false, window, cx);
+                editor.refresh_edit_prediction(true, false, window, cx);
             });
         });
     }
diff --git a/crates/vim/src/normal/increment.rs b/crates/vim/src/normal/increment.rs
index 51f6e4a0f9..34ac4aab1f 100644
--- a/crates/vim/src/normal/increment.rs
+++ b/crates/vim/src/normal/increment.rs
@@ -53,7 +53,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.store_visual_marks(window, cx);
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let mut edits = Vec::new();
             let mut new_anchors = Vec::new();
 
@@ -70,8 +70,19 @@ impl Vim {
                     } else {
                         Point::new(row, 0)
                     };
+                    let end = if row == selection.end.row {
+                        selection.end
+                    } else {
+                        Point::new(row, snapshot.line_len(multi_buffer::MultiBufferRow(row)))
+                    };
 
-                    if let Some((range, num, radix)) = find_number(&snapshot, start) {
+                    let number_result = if !selection.is_empty() {
+                        find_number_in_range(&snapshot, start, end)
+                    } else {
+                        find_number(&snapshot, start)
+                    };
+
+                    if let Some((range, num, radix)) = number_result {
                         let replace = match radix {
                             10 => increment_decimal_string(&num, delta),
                             16 => increment_hex_string(&num, delta),
@@ -155,7 +166,7 @@ fn increment_decimal_string(num: &str, delta: i64) -> String {
 }
 
 fn increment_hex_string(num: &str, delta: i64) -> String {
-    let result = if let Ok(val) = u64::from_str_radix(&num, 16) {
+    let result = if let Ok(val) = u64::from_str_radix(num, 16) {
         val.wrapping_add_signed(delta)
     } else {
         u64::MAX
@@ -181,7 +192,7 @@ fn should_use_lowercase(num: &str) -> bool {
 }
 
 fn increment_binary_string(num: &str, delta: i64) -> String {
-    let result = if let Ok(val) = u64::from_str_radix(&num, 2) {
+    let result = if let Ok(val) = u64::from_str_radix(num, 2) {
         val.wrapping_add_signed(delta)
     } else {
         u64::MAX
@@ -189,6 +200,90 @@ fn increment_binary_string(num: &str, delta: i64) -> String {
     format!("{:0width$b}", result, width = num.len())
 }
 
+fn find_number_in_range(
+    snapshot: &MultiBufferSnapshot,
+    start: Point,
+    end: Point,
+) -> Option<(Range<Point>, String, u32)> {
+    let start_offset = start.to_offset(snapshot);
+    let end_offset = end.to_offset(snapshot);
+
+    let mut offset = start_offset;
+
+    // Backward scan to find the start of the number, but stop at start_offset
+    for ch in snapshot.reversed_chars_at(offset) {
+        if ch.is_ascii_hexdigit() || ch == '-' || ch == 'b' || ch == 'x' {
+            if offset == 0 {
+                break;
+            }
+            offset -= ch.len_utf8();
+            if offset < start_offset {
+                offset = start_offset;
+                break;
+            }
+        } else {
+            break;
+        }
+    }
+
+    let mut begin = None;
+    let mut end_num = None;
+    let mut num = String::new();
+    let mut radix = 10;
+
+    let mut chars = snapshot.chars_at(offset).peekable();
+
+    while let Some(ch) = chars.next() {
+        if offset >= end_offset {
+            break; // stop at end of selection
+        }
+
+        if num == "0" && ch == 'b' && chars.peek().is_some() && chars.peek().unwrap().is_digit(2) {
+            radix = 2;
+            begin = None;
+            num = String::new();
+        } else if num == "0"
+            && ch == 'x'
+            && chars.peek().is_some()
+            && chars.peek().unwrap().is_ascii_hexdigit()
+        {
+            radix = 16;
+            begin = None;
+            num = String::new();
+        }
+
+        if ch.is_digit(radix)
+            || (begin.is_none()
+                && ch == '-'
+                && chars.peek().is_some()
+                && chars.peek().unwrap().is_digit(radix))
+        {
+            if begin.is_none() {
+                begin = Some(offset);
+            }
+            num.push(ch);
+        } else if begin.is_some() {
+            end_num = Some(offset);
+            break;
+        } else if ch == '\n' {
+            break;
+        }
+
+        offset += ch.len_utf8();
+    }
+
+    if let Some(begin) = begin {
+        let end_num = end_num.unwrap_or(offset);
+        Some((
+            begin.to_point(snapshot)..end_num.to_point(snapshot),
+            num,
+            radix,
+        ))
+    } else {
+        None
+    }
+}
+
 fn find_number(
     snapshot: &MultiBufferSnapshot,
     start: Point,
@@ -274,9 +369,9 @@ fn find_boolean(snapshot: &MultiBufferSnapshot, start: Point) -> Option<(Range<P
     let mut end = None;
     let mut word = String::new();
 
-    let mut chars = snapshot.chars_at(offset);
+    let chars = snapshot.chars_at(offset);
 
-    while let Some(ch) = chars.next() {
+    for ch in chars {
         if ch.is_ascii_alphabetic() {
             if begin.is_none() {
                 begin = Some(offset);
@@ -764,4 +859,18 @@ mod test {
         cx.simulate_keystrokes("v b ctrl-a");
         cx.assert_state("let enabled = ˇOff;", Mode::Normal);
     }
+
+    #[gpui::test]
+    async fn test_increment_visual_partial_number(cx: &mut gpui::TestAppContext) {
+        let mut cx = NeovimBackedTestContext::new(cx).await;
+
+        cx.set_shared_state("ˇ123").await;
+        cx.simulate_shared_keystrokes("v l ctrl-a").await;
+        cx.shared_state().await.assert_eq(indoc! {"ˇ133"});
+        cx.simulate_shared_keystrokes("l v l ctrl-a").await;
+        cx.shared_state().await.assert_eq(indoc! {"1ˇ34"});
+        cx.simulate_shared_keystrokes("shift-v y p p ctrl-v k k l ctrl-a")
+            .await;
+        cx.shared_state().await.assert_eq(indoc! {"ˇ144\n144\n144"});
+    }
 }
diff --git a/crates/vim/src/normal/mark.rs b/crates/vim/src/normal/mark.rs
index 57a6108841..619769d41a 100644
--- a/crates/vim/src/normal/mark.rs
+++ b/crates/vim/src/normal/mark.rs
@@ -19,7 +19,7 @@ use crate::{
 
 impl Vim {
     pub fn create_mark(&mut self, text: Arc<str>, window: &mut Window, cx: &mut Context<Self>) {
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let anchors = editor
                 .selections
                 .disjoint_anchors()
@@ -49,7 +49,7 @@ impl Vim {
         let mut ends = vec![];
         let mut reversed = vec![];
 
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let (map, selections) = editor.selections.all_display(cx);
             for selection in selections {
                 let end = movement::saturating_left(&map, selection.end);
@@ -120,7 +120,6 @@ impl Vim {
                 });
             })
         });
-        return;
     }
 
     fn open_path_mark(
@@ -190,7 +189,7 @@ impl Vim {
             self.pop_operator(window, cx);
         }
         let mark = self
-            .update_editor(window, cx, |vim, editor, window, cx| {
+            .update_editor(cx, |vim, editor, cx| {
                 vim.get_mark(&text, editor, window, cx)
             })
             .flatten();
@@ -209,7 +208,7 @@ impl Vim {
 
         let Some(mut anchors) = anchors else { return };
 
-        self.update_editor(window, cx, |_, editor, _, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.create_nav_history_entry(cx);
         });
         let is_active_operator = self.active_operator().is_some();
@@ -231,7 +230,7 @@ impl Vim {
                 || self.mode == Mode::VisualLine
                 || self.mode == Mode::VisualBlock;
 
-            self.update_editor(window, cx, |_, editor, window, cx| {
+            self.update_editor(cx, |_, editor, cx| {
                 let map = editor.snapshot(window, cx);
                 let mut ranges: Vec<Range<Anchor>> = Vec::new();
                 for mut anchor in anchors {
@@ -256,10 +255,8 @@ impl Vim {
                 }
             });
 
-            if should_jump {
-                if let Some(anchor) = anchor {
-                    self.motion(Motion::Jump { anchor, line }, window, cx)
-                }
+            if should_jump && let Some(anchor) = anchor {
+                self.motion(Motion::Jump { anchor, line }, window, cx)
             }
         }
     }
diff --git a/crates/vim/src/normal/paste.rs b/crates/vim/src/normal/paste.rs
index 07712fbedd..933b119d37 100644
--- a/crates/vim/src/normal/paste.rs
+++ b/crates/vim/src/normal/paste.rs
@@ -32,7 +32,7 @@ impl Vim {
         let count = Vim::take_count(cx).unwrap_or(1);
         Vim::take_forced_motion(cx);
 
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
@@ -236,7 +236,7 @@ impl Vim {
     ) {
         self.stop_recording(cx);
         let selected_register = self.selected_register.take();
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
                 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
@@ -273,7 +273,7 @@ impl Vim {
     ) {
         self.stop_recording(cx);
         let selected_register = self.selected_register.take();
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
@@ -474,8 +474,7 @@ mod test {
             Mode::Normal,
         );
         assert_eq!(
-            cx.read_from_clipboard()
-                .map(|item| item.text().unwrap().to_string()),
+            cx.read_from_clipboard().map(|item| item.text().unwrap()),
             Some("jumps".into())
         );
         cx.simulate_keystrokes("d d p");
@@ -487,8 +486,7 @@ mod test {
             Mode::Normal,
         );
         assert_eq!(
-            cx.read_from_clipboard()
-                .map(|item| item.text().unwrap().to_string()),
+            cx.read_from_clipboard().map(|item| item.text().unwrap()),
             Some("jumps".into())
         );
         cx.write_to_clipboard(ClipboardItem::new_string("test-copy".to_string()));
diff --git a/crates/vim/src/normal/repeat.rs b/crates/vim/src/normal/repeat.rs
index 5cc3762990..2d79274808 100644
--- a/crates/vim/src/normal/repeat.rs
+++ b/crates/vim/src/normal/repeat.rs
@@ -221,14 +221,14 @@ impl Vim {
             if actions.is_empty() {
                 return None;
             }
-            if globals.replayer.is_none() {
-                if let Some(recording_register) = globals.recording_register {
-                    globals
-                        .recordings
-                        .entry(recording_register)
-                        .or_default()
-                        .push(ReplayableAction::Action(Repeat.boxed_clone()));
-                }
+            if globals.replayer.is_none()
+                && let Some(recording_register) = globals.recording_register
+            {
+                globals
+                    .recordings
+                    .entry(recording_register)
+                    .or_default()
+                    .push(ReplayableAction::Action(Repeat.boxed_clone()));
             }
 
             let mut mode = None;
@@ -320,10 +320,10 @@ impl Vim {
         // vim doesn't treat 3a1 as though you literally repeated a1
         // 3 times, instead it inserts the content thrice at the insert position.
         if let Some(to_repeat) = repeatable_insert(&actions[0]) {
-            if let Some(ReplayableAction::Action(action)) = actions.last() {
-                if NormalBefore.partial_eq(&**action) {
-                    actions.pop();
-                }
+            if let Some(ReplayableAction::Action(action)) = actions.last()
+                && NormalBefore.partial_eq(&**action)
+            {
+                actions.pop();
             }
 
             let mut new_actions = actions.clone();
diff --git a/crates/vim/src/normal/scroll.rs b/crates/vim/src/normal/scroll.rs
index e2ae74b52b..9eb8367f57 100644
--- a/crates/vim/src/normal/scroll.rs
+++ b/crates/vim/src/normal/scroll.rs
@@ -97,7 +97,7 @@ impl Vim {
         let amount = by(Vim::take_count(cx).map(|c| c as f32));
         Vim::take_forced_motion(cx);
         self.exit_temporary_normal(window, cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             scroll_editor(editor, move_cursor, &amount, window, cx)
         });
     }
@@ -549,7 +549,7 @@ mod test {
         cx.set_neovim_option("nowrap").await;
 
         let content = "ˇ01234567890123456789";
-        cx.set_shared_state(&content).await;
+        cx.set_shared_state(content).await;
 
         cx.simulate_shared_keystrokes("z shift-l").await;
         cx.shared_state().await.assert_eq("012345ˇ67890123456789");
@@ -560,7 +560,7 @@ mod test {
         cx.shared_state().await.assert_eq("012345ˇ67890123456789");
 
         let content = "ˇ01234567890123456789";
-        cx.set_shared_state(&content).await;
+        cx.set_shared_state(content).await;
 
         cx.simulate_shared_keystrokes("z l").await;
         cx.shared_state().await.assert_eq("0ˇ1234567890123456789");
diff --git a/crates/vim/src/normal/search.rs b/crates/vim/src/normal/search.rs
index 24f2cf751f..4fbeec7236 100644
--- a/crates/vim/src/normal/search.rs
+++ b/crates/vim/src/normal/search.rs
@@ -224,7 +224,7 @@ impl Vim {
                     .search
                     .prior_selections
                     .last()
-                    .map_or(true, |range| range.start != new_head);
+                    .is_none_or(|range| range.start != new_head);
 
                 if is_different_head {
                     count = count.saturating_sub(1)
@@ -251,7 +251,7 @@ impl Vim {
 
         // If the active editor has changed during a search, don't panic.
         if prior_selections.iter().any(|s| {
-            self.update_editor(window, cx, |_, editor, window, cx| {
+            self.update_editor(cx, |_, editor, cx| {
                 !s.start
                     .is_valid(&editor.snapshot(window, cx).buffer_snapshot)
             })
@@ -332,7 +332,7 @@ impl Vim {
         Vim::take_forced_motion(cx);
         let prior_selections = self.editor_selections(window, cx);
         let cursor_word = self.editor_cursor_word(window, cx);
-        let vim = cx.entity().clone();
+        let vim = cx.entity();
 
         let searched = pane.update(cx, |pane, cx| {
             self.search.direction = direction;
@@ -457,7 +457,7 @@ impl Vim {
         else {
             return;
         };
-        if let Some(result) = self.update_editor(window, cx, |vim, editor, window, cx| {
+        if let Some(result) = self.update_editor(cx, |vim, editor, cx| {
             let range = action.range.buffer_range(vim, editor, window, cx)?;
             let snapshot = &editor.snapshot(window, cx).buffer_snapshot;
             let end_point = Point::new(range.end.0, snapshot.line_len(range.end));
diff --git a/crates/vim/src/normal/substitute.rs b/crates/vim/src/normal/substitute.rs
index a9752f2887..889d487170 100644
--- a/crates/vim/src/normal/substitute.rs
+++ b/crates/vim/src/normal/substitute.rs
@@ -45,7 +45,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.store_visual_marks(window, cx);
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             editor.set_clip_at_line_ends(false, cx);
             editor.transact(window, cx, |editor, window, cx| {
                 let text_layout_details = editor.text_layout_details(window);
diff --git a/crates/vim/src/normal/toggle_comments.rs b/crates/vim/src/normal/toggle_comments.rs
index 636ea9eec2..17c3b2d363 100644
--- a/crates/vim/src/normal/toggle_comments.rs
+++ b/crates/vim/src/normal/toggle_comments.rs
@@ -14,7 +14,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.transact(window, cx, |editor, window, cx| {
                 let mut selection_starts: HashMap<_, _> = Default::default();
@@ -51,7 +51,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let mut original_positions: HashMap<_, _> = Default::default();
                 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
diff --git a/crates/vim/src/normal/yank.rs b/crates/vim/src/normal/yank.rs
index 847eba3143..fe8180ffff 100644
--- a/crates/vim/src/normal/yank.rs
+++ b/crates/vim/src/normal/yank.rs
@@ -25,7 +25,7 @@ impl Vim {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
@@ -70,7 +70,7 @@ impl Vim {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
                 let mut start_positions: HashMap<_, _> = Default::default();
diff --git a/crates/vim/src/object.rs b/crates/vim/src/object.rs
index 63139d7e94..693de9f697 100644
--- a/crates/vim/src/object.rs
+++ b/crates/vim/src/object.rs
@@ -100,10 +100,10 @@ fn cover_or_next<I: Iterator<Item = (Range<usize>, Range<usize>)>>(
         for (open_range, close_range) in ranges {
             let start_off = open_range.start;
             let end_off = close_range.end;
-            if let Some(range_filter) = range_filter {
-                if !range_filter(open_range.clone(), close_range.clone()) {
-                    continue;
-                }
+            if let Some(range_filter) = range_filter
+                && !range_filter(open_range.clone(), close_range.clone())
+            {
+                continue;
             }
             let candidate = CandidateWithRanges {
                 candidate: CandidateRange {
@@ -187,9 +187,7 @@ fn find_mini_delimiters(
     };
 
     // Try to find delimiters in visible range first
-    let ranges = map
-        .buffer_snapshot
-        .bracket_ranges(visible_line_range.clone());
+    let ranges = map.buffer_snapshot.bracket_ranges(visible_line_range);
     if let Some(candidate) = cover_or_next(ranges, display_point, map, Some(&bracket_filter)) {
         return Some(
             DelimiterRange {
@@ -1060,11 +1058,11 @@ fn text_object(
         .filter_map(|(r, m)| if m == target { Some(r) } else { None })
         .collect();
     matches.sort_by_key(|r| r.start);
-    if let Some(buffer_range) = matches.first() {
-        if !buffer_range.is_empty() {
-            let range = excerpt.map_range_from_buffer(buffer_range.clone());
-            return Some(range.start.to_display_point(map)..range.end.to_display_point(map));
-        }
+    if let Some(buffer_range) = matches.first()
+        && !buffer_range.is_empty()
+    {
+        let range = excerpt.map_range_from_buffer(buffer_range.clone());
+        return Some(range.start.to_display_point(map)..range.end.to_display_point(map));
     }
     let buffer_range = excerpt.map_range_from_buffer(around_range.clone());
     return Some(buffer_range.start.to_display_point(map)..buffer_range.end.to_display_point(map));
@@ -1444,14 +1442,15 @@ fn paragraph(
                     return None;
                 }
 
-                let paragraph_start_row = paragraph_start.row();
-                if paragraph_start_row.0 != 0 {
+                let paragraph_start_buffer_point = paragraph_start.to_point(map);
+                if paragraph_start_buffer_point.row != 0 {
                     let previous_paragraph_last_line_start =
-                        Point::new(paragraph_start_row.0 - 1, 0).to_display_point(map);
+                        Point::new(paragraph_start_buffer_point.row - 1, 0).to_display_point(map);
                     paragraph_start = start_of_paragraph(map, previous_paragraph_last_line_start);
                 }
             } else {
-                let mut start_row = paragraph_end_row.0 + 1;
+                let paragraph_end_buffer_point = paragraph_end.to_point(map);
+                let mut start_row = paragraph_end_buffer_point.row + 1;
                 if i > 0 {
                     start_row += 1;
                 }
@@ -1528,25 +1527,25 @@ fn surrounding_markers(
         Some((ch, _)) => ch,
         _ => '\0',
     };
-    if let Some((ch, range)) = movement::chars_after(map, point).next() {
-        if ch == open_marker && before_ch != '\\' {
-            if open_marker == close_marker {
-                let mut total = 0;
-                for ((ch, _), (before_ch, _)) in movement::chars_before(map, point).tuple_windows()
-                {
-                    if ch == '\n' {
-                        break;
-                    }
-                    if ch == open_marker && before_ch != '\\' {
-                        total += 1;
-                    }
+    if let Some((ch, range)) = movement::chars_after(map, point).next()
+        && ch == open_marker
+        && before_ch != '\\'
+    {
+        if open_marker == close_marker {
+            let mut total = 0;
+            for ((ch, _), (before_ch, _)) in movement::chars_before(map, point).tuple_windows() {
+                if ch == '\n' {
+                    break;
                 }
-                if total % 2 == 0 {
-                    opening = Some(range)
+                if ch == open_marker && before_ch != '\\' {
+                    total += 1;
                 }
-            } else {
+            }
+            if total % 2 == 0 {
                 opening = Some(range)
             }
+        } else {
+            opening = Some(range)
         }
     }
 
@@ -1557,10 +1556,10 @@ fn surrounding_markers(
                 break;
             }
 
-            if let Some((before_ch, _)) = chars_before.peek() {
-                if *before_ch == '\\' {
-                    continue;
-                }
+            if let Some((before_ch, _)) = chars_before.peek()
+                && *before_ch == '\\'
+            {
+                continue;
             }
 
             if ch == open_marker {
@@ -1903,6 +1902,90 @@ mod test {
         }
     }
 
+    #[gpui::test]
+    async fn test_change_paragraph_object_with_soft_wrap(cx: &mut gpui::TestAppContext) {
+        let mut cx = NeovimBackedTestContext::new(cx).await;
+
+        const WRAPPING_EXAMPLE: &str = indoc! {"
+            ˇFirst paragraph with very long text that will wrap when soft wrap is enabled and line length is ˇlimited making it span multiple display lines.
+
+            ˇSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and ˇshould be handled correctly.
+
+            ˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping ˇsettings.ˇ
+        "};
+
+        cx.set_shared_wrap(20).await;
+
+        cx.simulate_at_each_offset("c i p", WRAPPING_EXAMPLE)
+            .await
+            .assert_matches();
+        cx.simulate_at_each_offset("c a p", WRAPPING_EXAMPLE)
+            .await
+            .assert_matches();
+    }
+
+    #[gpui::test]
+    async fn test_delete_paragraph_object_with_soft_wrap(cx: &mut gpui::TestAppContext) {
+        let mut cx = NeovimBackedTestContext::new(cx).await;
+
+        const WRAPPING_EXAMPLE: &str = indoc! {"
+            ˇFirst paragraph with very long text that will wrap when soft wrap is enabled and line length is ˇlimited making it span multiple display lines.
+
+            ˇSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and ˇshould be handled correctly.
+
+            ˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping ˇsettings.ˇ
+        "};
+
+        cx.set_shared_wrap(20).await;
+
+        cx.simulate_at_each_offset("d i p", WRAPPING_EXAMPLE)
+            .await
+            .assert_matches();
+        cx.simulate_at_each_offset("d a p", WRAPPING_EXAMPLE)
+            .await
+            .assert_matches();
+    }
+
+    #[gpui::test]
+    async fn test_delete_paragraph_whitespace(cx: &mut gpui::TestAppContext) {
+        let mut cx = NeovimBackedTestContext::new(cx).await;
+
+        cx.set_shared_state(indoc! {"
+            a
+                   ˇ•
+            aaaaaaaaaaaaa
+        "})
+            .await;
+
+        cx.simulate_shared_keystrokes("d i p").await;
+        cx.shared_state().await.assert_eq(indoc! {"
+            a
+            aaaaaaaˇaaaaaa
+        "});
+    }
+
+    #[gpui::test]
+    async fn test_visual_paragraph_object_with_soft_wrap(cx: &mut gpui::TestAppContext) {
+        let mut cx = NeovimBackedTestContext::new(cx).await;
+
+        const WRAPPING_EXAMPLE: &str = indoc! {"
+            ˇFirst paragraph with very long text that will wrap when soft wrap is enabled and line length is ˇlimited making it span multiple display lines.
+
+            ˇSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and ˇshould be handled correctly.
+
+            ˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping ˇsettings.ˇ
+        "};
+
+        cx.set_shared_wrap(20).await;
+
+        cx.simulate_at_each_offset("v i p", WRAPPING_EXAMPLE)
+            .await
+            .assert_matches();
+        cx.simulate_at_each_offset("v a p", WRAPPING_EXAMPLE)
+            .await
+            .assert_matches();
+    }
+
     // Test string with "`" for opening surrounders and "'" for closing surrounders
     const SURROUNDING_MARKER_STRING: &str = indoc! {"
         ˇTh'ˇe ˇ`ˇ'ˇquˇi`ˇck broˇ'wn`
diff --git a/crates/vim/src/replace.rs b/crates/vim/src/replace.rs
index aa857ef73e..eaa9fd5062 100644
--- a/crates/vim/src/replace.rs
+++ b/crates/vim/src/replace.rs
@@ -49,7 +49,7 @@ impl Vim {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
                 let map = editor.snapshot(window, cx);
@@ -94,7 +94,7 @@ impl Vim {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
                 let map = editor.snapshot(window, cx);
@@ -148,7 +148,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             editor.set_clip_at_line_ends(false, cx);
             let mut selection = editor.selections.newest_display(cx);
             let snapshot = editor.snapshot(window, cx);
@@ -167,7 +167,7 @@ impl Vim {
 
     pub fn exchange_visual(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let selection = editor.selections.newest_anchor();
             let new_range = selection.start..selection.end;
             let snapshot = editor.snapshot(window, cx);
@@ -178,7 +178,7 @@ impl Vim {
 
     pub fn clear_exchange(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |_, editor, _, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.clear_background_highlights::<VimExchange>(cx);
         });
         self.clear_operator(window, cx);
@@ -193,7 +193,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             editor.set_clip_at_line_ends(false, cx);
             let text_layout_details = editor.text_layout_details(window);
             let mut selection = editor.selections.newest_display(cx);
diff --git a/crates/vim/src/rewrap.rs b/crates/vim/src/rewrap.rs
index 4cd9449bfa..85e1967af0 100644
--- a/crates/vim/src/rewrap.rs
+++ b/crates/vim/src/rewrap.rs
@@ -18,7 +18,7 @@ pub(crate) fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
         Vim::take_count(cx);
         Vim::take_forced_motion(cx);
         vim.store_visual_marks(window, cx);
-        vim.update_editor(window, cx, |vim, editor, window, cx| {
+        vim.update_editor(cx, |vim, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let mut positions = vim.save_selection_starts(editor, cx);
                 editor.rewrap_impl(
@@ -55,7 +55,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.transact(window, cx, |editor, window, cx| {
                 let mut selection_starts: HashMap<_, _> = Default::default();
@@ -100,7 +100,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let mut original_positions: HashMap<_, _> = Default::default();
                 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
diff --git a/crates/vim/src/state.rs b/crates/vim/src/state.rs
index c4be034871..fe4bc7433d 100644
--- a/crates/vim/src/state.rs
+++ b/crates/vim/src/state.rs
@@ -7,8 +7,10 @@ use crate::{motion::Motion, object::Object};
 use anyhow::Result;
 use collections::HashMap;
 use command_palette_hooks::{CommandPaletteFilter, CommandPaletteInterceptor};
-use db::define_connection;
-use db::sqlez_macros::sql;
+use db::{
+    sqlez::{domain::Domain, thread_safe_connection::ThreadSafeConnection},
+    sqlez_macros::sql,
+};
 use editor::display_map::{is_invisible, replacement};
 use editor::{Anchor, ClipboardSelection, Editor, MultiBuffer, ToPoint as EditorToPoint};
 use gpui::{
@@ -255,16 +257,11 @@ impl MarksState {
     pub fn new(workspace: &Workspace, cx: &mut App) -> Entity<MarksState> {
         cx.new(|cx| {
             let buffer_store = workspace.project().read(cx).buffer_store().clone();
-            let subscription =
-                cx.subscribe(
-                    &buffer_store,
-                    move |this: &mut Self, _, event, cx| match event {
-                        project::buffer_store::BufferStoreEvent::BufferAdded(buffer) => {
-                            this.on_buffer_loaded(buffer, cx);
-                        }
-                        _ => {}
-                    },
-                );
+            let subscription = cx.subscribe(&buffer_store, move |this: &mut Self, _, event, cx| {
+                if let project::buffer_store::BufferStoreEvent::BufferAdded(buffer) = event {
+                    this.on_buffer_loaded(buffer, cx);
+                }
+            });
 
             let mut this = Self {
                 workspace: workspace.weak_handle(),
@@ -405,27 +402,27 @@ impl MarksState {
             } else {
                 HashMap::default()
             };
-        let old_points = self.serialized_marks.get(&path.clone());
+        let old_points = self.serialized_marks.get(&path);
         if old_points == Some(&new_points) {
             return;
         }
         let mut to_write = HashMap::default();
 
         for (key, value) in &new_points {
-            if self.is_global_mark(key) {
-                if self.global_marks.get(key) != Some(&MarkLocation::Path(path.clone())) {
-                    if let Some(workspace_id) = self.workspace_id(cx) {
-                        let path = path.clone();
-                        let key = key.clone();
-                        cx.background_spawn(async move {
-                            DB.set_global_mark_path(workspace_id, key, path).await
-                        })
-                        .detach_and_log_err(cx);
-                    }
-
-                    self.global_marks
-                        .insert(key.clone(), MarkLocation::Path(path.clone()));
+            if self.is_global_mark(key)
+                && self.global_marks.get(key) != Some(&MarkLocation::Path(path.clone()))
+            {
+                if let Some(workspace_id) = self.workspace_id(cx) {
+                    let path = path.clone();
+                    let key = key.clone();
+                    cx.background_spawn(async move {
+                        DB.set_global_mark_path(workspace_id, key, path).await
+                    })
+                    .detach_and_log_err(cx);
                 }
+
+                self.global_marks
+                    .insert(key.clone(), MarkLocation::Path(path.clone()));
             }
             if old_points.and_then(|o| o.get(key)) != Some(value) {
                 to_write.insert(key.clone(), value.clone());
@@ -456,15 +453,15 @@ impl MarksState {
         buffer: &Entity<Buffer>,
         cx: &mut Context<Self>,
     ) {
-        if let MarkLocation::Buffer(entity_id) = old_path {
-            if let Some(old_marks) = self.multibuffer_marks.remove(&entity_id) {
-                let buffer_marks = old_marks
-                    .into_iter()
-                    .map(|(k, v)| (k, v.into_iter().map(|anchor| anchor.text_anchor).collect()))
-                    .collect();
-                self.buffer_marks
-                    .insert(buffer.read(cx).remote_id(), buffer_marks);
-            }
+        if let MarkLocation::Buffer(entity_id) = old_path
+            && let Some(old_marks) = self.multibuffer_marks.remove(&entity_id)
+        {
+            let buffer_marks = old_marks
+                .into_iter()
+                .map(|(k, v)| (k, v.into_iter().map(|anchor| anchor.text_anchor).collect()))
+                .collect();
+            self.buffer_marks
+                .insert(buffer.read(cx).remote_id(), buffer_marks);
         }
         self.watch_buffer(MarkLocation::Path(new_path.clone()), buffer, cx);
         self.serialize_buffer_marks(new_path, buffer, cx);
@@ -512,10 +509,9 @@ impl MarksState {
                     .watched_buffers
                     .get(&buffer_id.clone())
                     .map(|(path, _, _)| path.clone())
+                    && let Some(new_path) = this.path_for_buffer(&buffer, cx)
                 {
-                    if let Some(new_path) = this.path_for_buffer(&buffer, cx) {
-                        this.rename_buffer(old_path, new_path, &buffer, cx)
-                    }
+                    this.rename_buffer(old_path, new_path, &buffer, cx)
                 }
             }
             _ => {}
@@ -540,7 +536,7 @@ impl MarksState {
         cx: &mut Context<Self>,
     ) {
         let buffer = multibuffer.read(cx).as_singleton();
-        let abs_path = buffer.as_ref().and_then(|b| self.path_for_buffer(&b, cx));
+        let abs_path = buffer.as_ref().and_then(|b| self.path_for_buffer(b, cx));
 
         let Some(abs_path) = abs_path else {
             self.multibuffer_marks
@@ -549,7 +545,7 @@ impl MarksState {
                 .insert(name.clone(), anchors);
             if self.is_global_mark(&name) {
                 self.global_marks
-                    .insert(name.clone(), MarkLocation::Buffer(multibuffer.entity_id()));
+                    .insert(name, MarkLocation::Buffer(multibuffer.entity_id()));
             }
             if let Some(buffer) = buffer {
                 let buffer_id = buffer.read(cx).remote_id();
@@ -565,7 +561,7 @@ impl MarksState {
 
         let buffer_id = buffer.read(cx).remote_id();
         self.buffer_marks.entry(buffer_id).or_default().insert(
-            name.clone(),
+            name,
             anchors
                 .into_iter()
                 .map(|anchor| anchor.text_anchor)
@@ -597,7 +593,7 @@ impl MarksState {
             if let Some(anchors) = self.buffer_marks.get(&buffer_id) {
                 let text_anchors = anchors.get(name)?;
                 let anchors = text_anchors
-                    .into_iter()
+                    .iter()
                     .map(|anchor| Anchor::in_buffer(excerpt_id, buffer_id, *anchor))
                     .collect();
                 return Some(Mark::Local(anchors));
@@ -606,12 +602,12 @@ impl MarksState {
 
         match target? {
             MarkLocation::Buffer(entity_id) => {
-                let anchors = self.multibuffer_marks.get(&entity_id)?;
-                return Some(Mark::Buffer(*entity_id, anchors.get(name)?.clone()));
+                let anchors = self.multibuffer_marks.get(entity_id)?;
+                Some(Mark::Buffer(*entity_id, anchors.get(name)?.clone()))
             }
             MarkLocation::Path(path) => {
                 let points = self.serialized_marks.get(path)?;
-                return Some(Mark::Path(path.clone(), points.get(name)?.clone()));
+                Some(Mark::Path(path.clone(), points.get(name)?.clone()))
             }
         }
     }
@@ -636,7 +632,7 @@ impl MarksState {
             match target {
                 MarkLocation::Buffer(entity_id) => {
                     self.multibuffer_marks
-                        .get_mut(&entity_id)
+                        .get_mut(entity_id)
                         .map(|m| m.remove(&mark_name.clone()));
                     return;
                 }
@@ -660,9 +656,9 @@ impl MarksState {
                 return;
             }
         };
-        self.global_marks.remove(&mark_name.clone());
+        self.global_marks.remove(&mark_name);
         self.serialized_marks
-            .get_mut(&path.clone())
+            .get_mut(&path)
             .map(|m| m.remove(&mark_name.clone()));
         if let Some(workspace_id) = self.workspace_id(cx) {
             cx.background_spawn(async move { DB.delete_mark(workspace_id, path, mark_name).await })
@@ -897,13 +893,13 @@ impl VimGlobals {
                 self.stop_recording_after_next_action = false;
             }
         }
-        if self.replayer.is_none() {
-            if let Some(recording_register) = self.recording_register {
-                self.recordings
-                    .entry(recording_register)
-                    .or_default()
-                    .push(ReplayableAction::Action(action));
-            }
+        if self.replayer.is_none()
+            && let Some(recording_register) = self.recording_register
+        {
+            self.recordings
+                .entry(recording_register)
+                .or_default()
+                .push(ReplayableAction::Action(action));
         }
     }
 
@@ -1028,13 +1024,21 @@ impl Operator {
     }
 
     pub fn status(&self) -> String {
+        fn make_visible(c: &str) -> &str {
+            match c {
+                "\n" => "enter",
+                "\t" => "tab",
+                " " => "space",
+                c => c,
+            }
+        }
         match self {
             Operator::Digraph {
                 first_char: Some(first_char),
-            } => format!("^K{first_char}"),
+            } => format!("^K{}", make_visible(&first_char.to_string())),
             Operator::Literal {
                 prefix: Some(prefix),
-            } => format!("^V{prefix}"),
+            } => format!("^V{}", make_visible(prefix)),
             Operator::AutoIndent => "=".to_string(),
             Operator::ShellCommand => "=".to_string(),
             _ => self.id().to_string(),
@@ -1280,7 +1284,7 @@ impl RegistersView {
                 if let Some(register) = register {
                     matches.push(RegisterMatch {
                         name: '%',
-                        contents: register.text.clone(),
+                        contents: register.text,
                     })
                 }
             }
@@ -1322,10 +1326,10 @@ impl MarksMatchInfo {
         let mut offset = 0;
         for chunk in chunks {
             line.push_str(chunk.text);
-            if let Some(highlight_style) = chunk.syntax_highlight_id {
-                if let Some(highlight) = highlight_style.style(cx.theme().syntax()) {
-                    highlights.push((offset..offset + chunk.text.len(), highlight))
-                }
+            if let Some(highlight_style) = chunk.syntax_highlight_id
+                && let Some(highlight) = highlight_style.style(cx.theme().syntax())
+            {
+                highlights.push((offset..offset + chunk.text.len(), highlight))
             }
             offset += chunk.text.len();
         }
@@ -1372,7 +1376,7 @@ impl PickerDelegate for MarksViewDelegate {
         _: &mut Window,
         cx: &mut Context<Picker<Self>>,
     ) -> gpui::Task<()> {
-        let Some(workspace) = self.workspace.upgrade().clone() else {
+        let Some(workspace) = self.workspace.upgrade() else {
             return Task::ready(());
         };
         cx.spawn(async move |picker, cx| {
@@ -1666,8 +1670,12 @@ impl MarksView {
     }
 }
 
-define_connection! (
-    pub static ref DB: VimDb<WorkspaceDb> = &[
+pub struct VimDb(ThreadSafeConnection);
+
+impl Domain for VimDb {
+    const NAME: &str = stringify!(VimDb);
+
+    const MIGRATIONS: &[&str] = &[
         sql! (
             CREATE TABLE vim_marks (
               workspace_id INTEGER,
@@ -1687,7 +1695,9 @@ define_connection! (
             ON vim_global_marks_paths(workspace_id, mark_name);
         ),
     ];
-);
+}
+
+db::static_connection!(DB, VimDb, [WorkspaceDb]);
 
 struct SerializedMark {
     path: Arc<Path>,
@@ -1703,26 +1713,25 @@ impl VimDb {
         marks: HashMap<String, Vec<Point>>,
     ) -> Result<()> {
         log::debug!("Setting path {path:?} for {} marks", marks.len());
-        let result = self
-            .write(move |conn| {
-                let mut query = conn.exec_bound(sql!(
-                    INSERT OR REPLACE INTO vim_marks
-                        (workspace_id, mark_name, path, value)
-                    VALUES
-                        (?, ?, ?, ?)
-                ))?;
-                for (mark_name, value) in marks {
-                    let pairs: Vec<(u32, u32)> = value
-                        .into_iter()
-                        .map(|point| (point.row, point.column))
-                        .collect();
-                    let serialized = serde_json::to_string(&pairs)?;
-                    query((workspace_id, mark_name, path.clone(), serialized))?;
-                }
-                Ok(())
-            })
-            .await;
-        result
+
+        self.write(move |conn| {
+            let mut query = conn.exec_bound(sql!(
+                INSERT OR REPLACE INTO vim_marks
+                    (workspace_id, mark_name, path, value)
+                VALUES
+                    (?, ?, ?, ?)
+            ))?;
+            for (mark_name, value) in marks {
+                let pairs: Vec<(u32, u32)> = value
+                    .into_iter()
+                    .map(|point| (point.row, point.column))
+                    .collect();
+                let serialized = serde_json::to_string(&pairs)?;
+                query((workspace_id, mark_name, path.clone(), serialized))?;
+            }
+            Ok(())
+        })
+        .await
     }
 
     fn get_marks(&self, workspace_id: WorkspaceId) -> Result<Vec<SerializedMark>> {
diff --git a/crates/vim/src/surrounds.rs b/crates/vim/src/surrounds.rs
index 1f77ebda4a..ca65204fab 100644
--- a/crates/vim/src/surrounds.rs
+++ b/crates/vim/src/surrounds.rs
@@ -29,7 +29,7 @@ impl Vim {
         let count = Vim::take_count(cx);
         let forced_motion = Vim::take_forced_motion(cx);
         let mode = self.mode;
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
@@ -140,7 +140,7 @@ impl Vim {
         };
         let surround = pair.end != *text;
 
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 editor.set_clip_at_line_ends(false, cx);
 
@@ -174,12 +174,11 @@ impl Vim {
                             if ch.to_string() == pair.start {
                                 let start = offset;
                                 let mut end = start + 1;
-                                if surround {
-                                    if let Some((next_ch, _)) = chars_and_offset.peek() {
-                                        if next_ch.eq(&' ') {
-                                            end += 1;
-                                        }
-                                    }
+                                if surround
+                                    && let Some((next_ch, _)) = chars_and_offset.peek()
+                                    && next_ch.eq(&' ')
+                                {
+                                    end += 1;
                                 }
                                 edits.push((start..end, ""));
                                 anchors.push(start..start);
@@ -193,12 +192,11 @@ impl Vim {
                             if ch.to_string() == pair.end {
                                 let mut start = offset;
                                 let end = start + 1;
-                                if surround {
-                                    if let Some((next_ch, _)) = reverse_chars_and_offsets.peek() {
-                                        if next_ch.eq(&' ') {
-                                            start -= 1;
-                                        }
-                                    }
+                                if surround
+                                    && let Some((next_ch, _)) = reverse_chars_and_offsets.peek()
+                                    && next_ch.eq(&' ')
+                                {
+                                    start -= 1;
                                 }
                                 edits.push((start..end, ""));
                                 break;
@@ -228,7 +226,7 @@ impl Vim {
     ) {
         if let Some(will_replace_pair) = object_to_bracket_pair(target) {
             self.stop_recording(cx);
-            self.update_editor(window, cx, |_, editor, window, cx| {
+            self.update_editor(cx, |_, editor, cx| {
                 editor.transact(window, cx, |editor, window, cx| {
                     editor.set_clip_at_line_ends(false, cx);
 
@@ -344,7 +342,7 @@ impl Vim {
     ) -> bool {
         let mut valid = false;
         if let Some(pair) = object_to_bracket_pair(object) {
-            self.update_editor(window, cx, |_, editor, window, cx| {
+            self.update_editor(cx, |_, editor, cx| {
                 editor.transact(window, cx, |editor, window, cx| {
                     editor.set_clip_at_line_ends(false, cx);
                     let (display_map, selections) = editor.selections.all_adjusted_display(cx);
diff --git a/crates/vim/src/test/neovim_backed_test_context.rs b/crates/vim/src/test/neovim_backed_test_context.rs
index 505cdaa910..6c9df164e0 100644
--- a/crates/vim/src/test/neovim_backed_test_context.rs
+++ b/crates/vim/src/test/neovim_backed_test_context.rs
@@ -292,12 +292,7 @@ impl NeovimBackedTestContext {
             register: '"',
             state: self.shared_state().await,
             neovim: self.neovim.read_register('"').await,
-            editor: self
-                .read_from_clipboard()
-                .unwrap()
-                .text()
-                .unwrap()
-                .to_owned(),
+            editor: self.read_from_clipboard().unwrap().text().unwrap(),
         }
     }
 
diff --git a/crates/vim/src/test/neovim_connection.rs b/crates/vim/src/test/neovim_connection.rs
index 46ea261cd6..13b3e8b58d 100644
--- a/crates/vim/src/test/neovim_connection.rs
+++ b/crates/vim/src/test/neovim_connection.rs
@@ -67,7 +67,7 @@ impl NeovimConnection {
             // Ensure we don't create neovim connections in parallel
             let _lock = NEOVIM_LOCK.lock();
             let (nvim, join_handle, child) = new_child_cmd(
-                &mut Command::new("nvim")
+                Command::new("nvim")
                     .arg("--embed")
                     .arg("--clean")
                     // disable swap (otherwise after about 1000 test runs you run out of swap file names)
@@ -161,7 +161,7 @@ impl NeovimConnection {
 
     #[cfg(feature = "neovim")]
     pub async fn set_state(&mut self, marked_text: &str) {
-        let (text, selections) = parse_state(&marked_text);
+        let (text, selections) = parse_state(marked_text);
 
         let nvim_buffer = self
             .nvim
@@ -217,10 +217,11 @@ impl NeovimConnection {
                 .expect("Could not set nvim cursor position");
         }
 
-        if let Some(NeovimData::Get { mode, state }) = self.data.back() {
-            if *mode == Mode::Normal && *state == marked_text {
-                return;
-            }
+        if let Some(NeovimData::Get { mode, state }) = self.data.back()
+            && *mode == Mode::Normal
+            && *state == marked_text
+        {
+            return;
         }
         self.data.push_back(NeovimData::Put {
             state: marked_text.to_string(),
@@ -298,10 +299,10 @@ impl NeovimConnection {
         if let Some(NeovimData::Get { .. }) = self.data.front() {
             self.data.pop_front();
         };
-        if let Some(NeovimData::ReadRegister { name, value }) = self.data.pop_front() {
-            if name == register {
-                return value;
-            }
+        if let Some(NeovimData::ReadRegister { name, value }) = self.data.pop_front()
+            && name == register
+        {
+            return value;
         }
 
         panic!("operation does not match recorded script. re-record with --features=neovim")
@@ -452,7 +453,7 @@ impl NeovimConnection {
         };
 
         if self.data.back() != Some(&state) {
-            self.data.push_back(state.clone());
+            self.data.push_back(state);
         }
 
         (mode, ranges)
@@ -589,7 +590,7 @@ fn parse_state(marked_text: &str) -> (String, Vec<Range<Point>>) {
 #[cfg(feature = "neovim")]
 fn encode_ranges(text: &str, point_ranges: &Vec<Range<Point>>) -> String {
     let byte_ranges = point_ranges
-        .into_iter()
+        .iter()
         .map(|range| {
             let mut byte_range = 0..0;
             let mut ix = 0;
diff --git a/crates/vim/src/test/vim_test_context.rs b/crates/vim/src/test/vim_test_context.rs
index b8988b1d1f..e7ac692df1 100644
--- a/crates/vim/src/test/vim_test_context.rs
+++ b/crates/vim/src/test/vim_test_context.rs
@@ -15,6 +15,7 @@ impl VimTestContext {
         if cx.has_global::<VimGlobals>() {
             return;
         }
+        env_logger::try_init().ok();
         cx.update(|cx| {
             let settings = SettingsStore::test(cx);
             cx.set_global(settings);
@@ -142,6 +143,16 @@ impl VimTestContext {
         })
     }
 
+    pub fn enable_helix(&mut self) {
+        self.cx.update(|_, cx| {
+            SettingsStore::update_global(cx, |store, cx| {
+                store.update_user_settings::<vim_mode_setting::HelixModeSetting>(cx, |s| {
+                    *s = Some(true)
+                });
+            });
+        })
+    }
+
     pub fn mode(&mut self) -> Mode {
         self.update_editor(|editor, _, cx| editor.addon::<VimAddon>().unwrap().entity.read(cx).mode)
     }
@@ -209,6 +220,26 @@ impl VimTestContext {
         assert_eq!(self.mode(), Mode::Normal, "{}", self.assertion_context());
         assert_eq!(self.active_operator(), None, "{}", self.assertion_context());
     }
+
+    pub fn shared_clipboard(&mut self) -> VimClipboard {
+        VimClipboard {
+            editor: self
+                .read_from_clipboard()
+                .map(|item| item.text().unwrap())
+                .unwrap_or_default(),
+        }
+    }
+}
+
+pub struct VimClipboard {
+    editor: String,
+}
+
+impl VimClipboard {
+    #[track_caller]
+    pub fn assert_eq(&self, expected: &str) {
+        assert_eq!(self.editor, expected);
+    }
 }
 
 impl Deref for VimTestContext {
diff --git a/crates/vim/src/vim.rs b/crates/vim/src/vim.rs
index c747c30462..9da01e6f44 100644
--- a/crates/vim/src/vim.rs
+++ b/crates/vim/src/vim.rs
@@ -265,7 +265,7 @@ pub fn init(cx: &mut App) {
 
         workspace.register_action(|workspace, _: &MaximizePane, window, cx| {
             let pane = workspace.active_pane();
-            let Some(size) = workspace.bounding_box_for_pane(&pane) else {
+            let Some(size) = workspace.bounding_box_for_pane(pane) else {
                 return;
             };
 
@@ -284,9 +284,7 @@ pub fn init(cx: &mut App) {
             let count = Vim::take_count(cx).unwrap_or(1) as f32;
             Vim::take_forced_motion(cx);
             let theme = ThemeSettings::get_global(cx);
-            let Ok(font_id) = window.text_system().font_id(&theme.buffer_font) else {
-                return;
-            };
+            let font_id = window.text_system().resolve_font(&theme.buffer_font);
             let Ok(width) = window
                 .text_system()
                 .advance(font_id, theme.buffer_font_size(cx), 'm')
@@ -300,9 +298,7 @@ pub fn init(cx: &mut App) {
             let count = Vim::take_count(cx).unwrap_or(1) as f32;
             Vim::take_forced_motion(cx);
             let theme = ThemeSettings::get_global(cx);
-            let Ok(font_id) = window.text_system().font_id(&theme.buffer_font) else {
-                return;
-            };
+            let font_id = window.text_system().resolve_font(&theme.buffer_font);
             let Ok(width) = window
                 .text_system()
                 .advance(font_id, theme.buffer_font_size(cx), 'm')
@@ -406,7 +402,7 @@ impl Vim {
     const NAMESPACE: &'static str = "vim";
 
     pub fn new(window: &mut Window, cx: &mut Context<Editor>) -> Entity<Self> {
-        let editor = cx.entity().clone();
+        let editor = cx.entity();
 
         let mut initial_mode = VimSettings::get_global(cx).default_mode;
         if initial_mode == Mode::Normal && HelixModeSetting::get_global(cx).0 {
@@ -747,8 +743,8 @@ impl Vim {
             Vim::action(
                 editor,
                 cx,
-                |vim, action: &editor::AcceptEditPrediction, window, cx| {
-                    vim.update_editor(window, cx, |_, editor, window, cx| {
+                |vim, action: &editor::actions::AcceptEditPrediction, window, cx| {
+                    vim.update_editor(cx, |_, editor, cx| {
                         editor.accept_edit_prediction(action, window, cx);
                     });
                     // In non-insertion modes, predictions will be hidden and instead a jump will be
@@ -792,10 +788,10 @@ impl Vim {
         editor.selections.line_mode = false;
         editor.unregister_addon::<VimAddon>();
         editor.set_relative_line_number(None, cx);
-        if let Some(vim) = Vim::globals(cx).focused_vim() {
-            if vim.entity_id() == cx.entity().entity_id() {
-                Vim::globals(cx).focused_vim = None;
-            }
+        if let Some(vim) = Vim::globals(cx).focused_vim()
+            && vim.entity_id() == cx.entity().entity_id()
+        {
+            Vim::globals(cx).focused_vim = None;
         }
     }
 
@@ -837,17 +833,17 @@ impl Vim {
         if self.exit_temporary_mode {
             self.exit_temporary_mode = false;
             // Don't switch to insert mode if the action is temporary_normal.
-            if let Some(action) = keystroke_event.action.as_ref() {
-                if action.as_any().downcast_ref::<TemporaryNormal>().is_some() {
-                    return;
-                }
+            if let Some(action) = keystroke_event.action.as_ref()
+                && action.as_any().downcast_ref::<TemporaryNormal>().is_some()
+            {
+                return;
             }
             self.switch_mode(Mode::Insert, false, window, cx)
         }
         if let Some(action) = keystroke_event.action.as_ref() {
             // Keystroke is handled by the vim system, so continue forward
             if action.name().starts_with("vim::") {
-                self.update_editor(window, cx, |_, editor, _, cx| {
+                self.update_editor(cx, |_, editor, cx| {
                     editor.hide_mouse_cursor(HideMouseCursorOrigin::MovementAction, cx)
                 });
                 return;
@@ -909,7 +905,7 @@ impl Vim {
                 anchor,
                 is_deactivate,
             } => {
-                self.update_editor(window, cx, |vim, editor, window, cx| {
+                self.update_editor(cx, |vim, editor, cx| {
                     let mark = if *is_deactivate {
                         "\"".to_string()
                     } else {
@@ -972,7 +968,7 @@ impl Vim {
         if mode == Mode::Normal || mode != last_mode {
             self.current_tx.take();
             self.current_anchor.take();
-            self.update_editor(window, cx, |_, editor, _, _| {
+            self.update_editor(cx, |_, editor, _| {
                 editor.clear_selection_drag_state();
             });
         }
@@ -988,7 +984,7 @@ impl Vim {
             && self.mode != self.last_mode
             && (self.mode == Mode::Insert || self.last_mode == Mode::Insert)
         {
-            self.update_editor(window, cx, |vim, editor, _, cx| {
+            self.update_editor(cx, |vim, editor, cx| {
                 let is_relative = vim.mode != Mode::Insert;
                 editor.set_relative_line_number(Some(is_relative), cx)
             });
@@ -1003,17 +999,17 @@ impl Vim {
         }
 
         // Adjust selections
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             if last_mode != Mode::VisualBlock && last_mode.is_visual() && mode == Mode::VisualBlock
             {
                 vim.visual_block_motion(true, editor, window, cx, |_, point, goal| {
                     Some((point, goal))
                 })
             }
-            if last_mode == Mode::Insert || last_mode == Mode::Replace {
-                if let Some(prior_tx) = prior_tx {
-                    editor.group_until_transaction(prior_tx, cx)
-                }
+            if (last_mode == Mode::Insert || last_mode == Mode::Replace)
+                && let Some(prior_tx) = prior_tx
+            {
+                editor.group_until_transaction(prior_tx, cx)
             }
 
             editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
@@ -1035,14 +1031,16 @@ impl Vim {
                 }
 
                 let snapshot = s.display_map();
-                if let Some(pending) = s.pending.as_mut() {
-                    if pending.selection.reversed && mode.is_visual() && !last_mode.is_visual() {
-                        let mut end = pending.selection.end.to_point(&snapshot.buffer_snapshot);
-                        end = snapshot
-                            .buffer_snapshot
-                            .clip_point(end + Point::new(0, 1), Bias::Right);
-                        pending.selection.end = snapshot.buffer_snapshot.anchor_before(end);
-                    }
+                if let Some(pending) = s.pending.as_mut()
+                    && pending.selection.reversed
+                    && mode.is_visual()
+                    && !last_mode.is_visual()
+                {
+                    let mut end = pending.selection.end.to_point(&snapshot.buffer_snapshot);
+                    end = snapshot
+                        .buffer_snapshot
+                        .clip_point(end + Point::new(0, 1), Bias::Right);
+                    pending.selection.end = snapshot.buffer_snapshot.anchor_before(end);
                 }
 
                 s.move_with(|map, selection| {
@@ -1214,7 +1212,7 @@ impl Vim {
             if preserve_selection {
                 self.switch_mode(Mode::Visual, true, window, cx);
             } else {
-                self.update_editor(window, cx, |_, editor, window, cx| {
+                self.update_editor(cx, |_, editor, cx| {
                     editor.set_clip_at_line_ends(false, cx);
                     editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
                         s.move_with(|_, selection| {
@@ -1232,18 +1230,18 @@ impl Vim {
             if let Some(old_vim) = Vim::globals(cx).focused_vim() {
                 if old_vim.entity_id() != cx.entity().entity_id() {
                     old_vim.update(cx, |vim, cx| {
-                        vim.update_editor(window, cx, |_, editor, _, cx| {
+                        vim.update_editor(cx, |_, editor, cx| {
                             editor.set_relative_line_number(None, cx)
                         });
                     });
 
-                    self.update_editor(window, cx, |vim, editor, _, cx| {
+                    self.update_editor(cx, |vim, editor, cx| {
                         let is_relative = vim.mode != Mode::Insert;
                         editor.set_relative_line_number(Some(is_relative), cx)
                     });
                 }
             } else {
-                self.update_editor(window, cx, |vim, editor, _, cx| {
+                self.update_editor(cx, |vim, editor, cx| {
                     let is_relative = vim.mode != Mode::Insert;
                     editor.set_relative_line_number(Some(is_relative), cx)
                 });
@@ -1256,35 +1254,30 @@ impl Vim {
         self.stop_recording_immediately(NormalBefore.boxed_clone(), cx);
         self.store_visual_marks(window, cx);
         self.clear_operator(window, cx);
-        self.update_editor(window, cx, |vim, editor, _, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             if vim.cursor_shape(cx) == CursorShape::Block {
                 editor.set_cursor_shape(CursorShape::Hollow, cx);
             }
         });
     }
 
-    fn cursor_shape_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        self.update_editor(window, cx, |vim, editor, _, cx| {
+    fn cursor_shape_changed(&mut self, _: &mut Window, cx: &mut Context<Self>) {
+        self.update_editor(cx, |vim, editor, cx| {
             editor.set_cursor_shape(vim.cursor_shape(cx), cx);
         });
     }
 
     fn update_editor<S>(
         &mut self,
-        window: &mut Window,
         cx: &mut Context<Self>,
-        update: impl FnOnce(&mut Self, &mut Editor, &mut Window, &mut Context<Editor>) -> S,
+        update: impl FnOnce(&mut Self, &mut Editor, &mut Context<Editor>) -> S,
     ) -> Option<S> {
         let editor = self.editor.upgrade()?;
-        Some(editor.update(cx, |editor, cx| update(self, editor, window, cx)))
+        Some(editor.update(cx, |editor, cx| update(self, editor, cx)))
     }
 
-    fn editor_selections(
-        &mut self,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) -> Vec<Range<Anchor>> {
-        self.update_editor(window, cx, |_, editor, _, _| {
+    fn editor_selections(&mut self, _: &mut Window, cx: &mut Context<Self>) -> Vec<Range<Anchor>> {
+        self.update_editor(cx, |_, editor, _| {
             editor
                 .selections
                 .disjoint_anchors()
@@ -1300,7 +1293,7 @@ impl Vim {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Option<String> {
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             let selection = editor.selections.newest::<usize>(cx);
 
             let snapshot = &editor.snapshot(window, cx).buffer_snapshot;
@@ -1489,7 +1482,7 @@ impl Vim {
     ) {
         match self.mode {
             Mode::VisualLine | Mode::VisualBlock | Mode::Visual => {
-                self.update_editor(window, cx, |vim, editor, window, cx| {
+                self.update_editor(cx, |vim, editor, cx| {
                     let original_mode = vim.undo_modes.get(transaction_id);
                     editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
                         match original_mode {
@@ -1520,7 +1513,7 @@ impl Vim {
                 self.switch_mode(Mode::Normal, true, window, cx)
             }
             Mode::Normal => {
-                self.update_editor(window, cx, |_, editor, window, cx| {
+                self.update_editor(cx, |_, editor, cx| {
                     editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
                         s.move_with(|map, selection| {
                             selection
@@ -1545,12 +1538,12 @@ impl Vim {
         if self.mode == Mode::Insert && self.current_tx.is_some() {
             if self.current_anchor.is_none() {
                 self.current_anchor = Some(newest);
-            } else if self.current_anchor.as_ref().unwrap() != &newest {
-                if let Some(tx_id) = self.current_tx.take() {
-                    self.update_editor(window, cx, |_, editor, _, cx| {
-                        editor.group_until_transaction(tx_id, cx)
-                    });
-                }
+            } else if self.current_anchor.as_ref().unwrap() != &newest
+                && let Some(tx_id) = self.current_tx.take()
+            {
+                self.update_editor(cx, |_, editor, cx| {
+                    editor.group_until_transaction(tx_id, cx)
+                });
             }
         } else if self.mode == Mode::Normal && newest.start != newest.end {
             if matches!(newest.goal, SelectionGoal::HorizontalRange { .. }) {
@@ -1608,7 +1601,7 @@ impl Vim {
                             second_char,
                             smartcase: VimSettings::get_global(cx).use_smartcase_find,
                         };
-                        Vim::globals(cx).last_find = Some((&sneak).clone());
+                        Vim::globals(cx).last_find = Some(sneak.clone());
                         self.motion(sneak, window, cx)
                     }
                 } else {
@@ -1625,7 +1618,7 @@ impl Vim {
                             second_char,
                             smartcase: VimSettings::get_global(cx).use_smartcase_find,
                         };
-                        Vim::globals(cx).last_find = Some((&sneak).clone());
+                        Vim::globals(cx).last_find = Some(sneak.clone());
                         self.motion(sneak, window, cx)
                     }
                 } else {
@@ -1694,13 +1687,13 @@ impl Vim {
             }
             Some(Operator::Register) => match self.mode {
                 Mode::Insert => {
-                    self.update_editor(window, cx, |_, editor, window, cx| {
+                    self.update_editor(cx, |_, editor, cx| {
                         if let Some(register) = Vim::update_globals(cx, |globals, cx| {
                             globals.read_register(text.chars().next(), Some(editor), cx)
                         }) {
                             editor.do_paste(
                                 &register.text.to_string(),
-                                register.clipboard_selections.clone(),
+                                register.clipboard_selections,
                                 false,
                                 window,
                                 cx,
@@ -1720,7 +1713,7 @@ impl Vim {
                 }
 
                 if self.mode == Mode::Normal {
-                    self.update_editor(window, cx, |_, editor, window, cx| {
+                    self.update_editor(cx, |_, editor, cx| {
                         editor.accept_edit_prediction(
                             &editor::actions::AcceptEditPrediction {},
                             window,
@@ -1733,7 +1726,7 @@ impl Vim {
     }
 
     fn sync_vim_settings(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             editor.set_cursor_shape(vim.cursor_shape(cx), cx);
             editor.set_clip_at_line_ends(vim.clip_at_line_ends(), cx);
             editor.set_collapse_matches(true);
@@ -1741,11 +1734,8 @@ impl Vim {
             editor.set_autoindent(vim.should_autoindent());
             editor.selections.line_mode = matches!(vim.mode, Mode::VisualLine);
 
-            let hide_inline_completions = match vim.mode {
-                Mode::Insert | Mode::Replace => false,
-                _ => true,
-            };
-            editor.set_inline_completions_hidden_for_vim_mode(hide_inline_completions, window, cx);
+            let hide_edit_predictions = !matches!(vim.mode, Mode::Insert | Mode::Replace);
+            editor.set_edit_predictions_hidden_for_vim_mode(hide_edit_predictions, window, cx);
         });
         cx.notify()
     }
diff --git a/crates/vim/src/visual.rs b/crates/vim/src/visual.rs
index ca8734ba8b..fcce00f0c0 100644
--- a/crates/vim/src/visual.rs
+++ b/crates/vim/src/visual.rs
@@ -104,7 +104,7 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
         let count = Vim::take_count(cx).unwrap_or(1);
         Vim::take_forced_motion(cx);
         for _ in 0..count {
-            vim.update_editor(window, cx, |_, editor, window, cx| {
+            vim.update_editor(cx, |_, editor, cx| {
                 editor.select_larger_syntax_node(&Default::default(), window, cx);
             });
         }
@@ -117,7 +117,7 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
             let count = Vim::take_count(cx).unwrap_or(1);
             Vim::take_forced_motion(cx);
             for _ in 0..count {
-                vim.update_editor(window, cx, |_, editor, window, cx| {
+                vim.update_editor(cx, |_, editor, cx| {
                     editor.select_smaller_syntax_node(&Default::default(), window, cx);
                 });
             }
@@ -129,7 +129,7 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
             return;
         };
         let marks = vim
-            .update_editor(window, cx, |vim, editor, window, cx| {
+            .update_editor(cx, |vim, editor, cx| {
                 vim.get_mark("<", editor, window, cx)
                     .zip(vim.get_mark(">", editor, window, cx))
             })
@@ -148,7 +148,7 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
             vim.create_visual_marks(vim.mode, window, cx);
         }
 
-        vim.update_editor(window, cx, |_, editor, window, cx| {
+        vim.update_editor(cx, |_, editor, cx| {
             editor.set_clip_at_line_ends(false, cx);
             editor.change_selections(Default::default(), window, cx, |s| {
                 let map = s.display_map();
@@ -189,7 +189,7 @@ impl Vim {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let text_layout_details = editor.text_layout_details(window);
             if vim.mode == Mode::VisualBlock
                 && !matches!(
@@ -397,7 +397,7 @@ impl Vim {
                 self.switch_mode(target_mode, true, window, cx);
             }
 
-            self.update_editor(window, cx, |_, editor, window, cx| {
+            self.update_editor(cx, |_, editor, cx| {
                 editor.change_selections(Default::default(), window, cx, |s| {
                     s.move_with(|map, selection| {
                         let mut mut_selection = selection.clone();
@@ -414,6 +414,8 @@ impl Vim {
                             );
                         }
 
+                        let original_point = selection.tail().to_point(map);
+
                         if let Some(range) = object.range(map, mut_selection, around, count) {
                             if !range.is_empty() {
                                 let expand_both_ways = object.always_expands_both_ways()
@@ -462,6 +464,37 @@ impl Vim {
                                 };
                                 selection.end = new_selection_end.to_display_point(map);
                             }
+
+                            // To match vim, if the range starts of the same line as it originally
+                            // did, we keep the tail of the selection in the same place instead of
+                            // snapping it to the start of the line
+                            if target_mode == Mode::VisualLine {
+                                let new_start_point = selection.start.to_point(map);
+                                if new_start_point.row == original_point.row {
+                                    if selection.end.to_point(map).row > new_start_point.row {
+                                        if original_point.column
+                                            == map
+                                                .buffer_snapshot
+                                                .line_len(MultiBufferRow(original_point.row))
+                                        {
+                                            selection.start = movement::saturating_left(
+                                                map,
+                                                original_point.to_display_point(map),
+                                            )
+                                        } else {
+                                            selection.start = original_point.to_display_point(map)
+                                        }
+                                    } else {
+                                        selection.end = movement::saturating_right(
+                                            map,
+                                            original_point.to_display_point(map),
+                                        );
+                                        if original_point.column > 0 {
+                                            selection.reversed = true
+                                        }
+                                    }
+                                }
+                            }
                         }
                     });
                 });
@@ -475,7 +508,7 @@ impl Vim {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.split_selection_into_lines(&Default::default(), window, cx);
             editor.change_selections(Default::default(), window, cx, |s| {
                 s.move_cursors_with(|map, cursor, _| {
@@ -493,7 +526,7 @@ impl Vim {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.split_selection_into_lines(&Default::default(), window, cx);
             editor.change_selections(Default::default(), window, cx, |s| {
                 s.move_cursors_with(|map, cursor, _| {
@@ -517,7 +550,7 @@ impl Vim {
     }
 
     pub fn other_end(&mut self, _: &OtherEnd, window: &mut Window, cx: &mut Context<Self>) {
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.change_selections(Default::default(), window, cx, |s| {
                 s.move_with(|_, selection| {
                     selection.reversed = !selection.reversed;
@@ -533,7 +566,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         let mode = self.mode;
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.change_selections(Default::default(), window, cx, |s| {
                 s.move_with(|_, selection| {
                     selection.reversed = !selection.reversed;
@@ -547,7 +580,7 @@ impl Vim {
 
     pub fn visual_delete(&mut self, line_mode: bool, window: &mut Window, cx: &mut Context<Self>) {
         self.store_visual_marks(window, cx);
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let mut original_columns: HashMap<_, _> = Default::default();
             let line_mode = line_mode || editor.selections.line_mode;
             editor.selections.line_mode = false;
@@ -631,7 +664,7 @@ impl Vim {
 
     pub fn visual_yank(&mut self, line_mode: bool, window: &mut Window, cx: &mut Context<Self>) {
         self.store_visual_marks(window, cx);
-        self.update_editor(window, cx, |vim, editor, window, cx| {
+        self.update_editor(cx, |vim, editor, cx| {
             let line_mode = line_mode || editor.selections.line_mode;
 
             // For visual line mode, adjust selections to avoid yanking the next line when on \n
@@ -679,7 +712,7 @@ impl Vim {
         cx: &mut Context<Self>,
     ) {
         self.stop_recording(cx);
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.transact(window, cx, |editor, window, cx| {
                 let (display_map, selections) = editor.selections.all_adjusted_display(cx);
 
@@ -722,7 +755,7 @@ impl Vim {
         Vim::take_forced_motion(cx);
         let count =
             Vim::take_count(cx).unwrap_or_else(|| if self.mode.is_visual() { 1 } else { 2 });
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             editor.set_clip_at_line_ends(false, cx);
             for _ in 0..count {
                 if editor
@@ -745,7 +778,7 @@ impl Vim {
         Vim::take_forced_motion(cx);
         let count =
             Vim::take_count(cx).unwrap_or_else(|| if self.mode.is_visual() { 1 } else { 2 });
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             for _ in 0..count {
                 if editor
                     .select_previous(&Default::default(), window, cx)
@@ -773,7 +806,7 @@ impl Vim {
         let mut start_selection = 0usize;
         let mut end_selection = 0usize;
 
-        self.update_editor(window, cx, |_, editor, _, _| {
+        self.update_editor(cx, |_, editor, _| {
             editor.set_collapse_matches(false);
         });
         if vim_is_normal {
@@ -791,7 +824,7 @@ impl Vim {
                 }
             });
         }
-        self.update_editor(window, cx, |_, editor, _, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             let latest = editor.selections.newest::<usize>(cx);
             start_selection = latest.start;
             end_selection = latest.end;
@@ -812,7 +845,7 @@ impl Vim {
             self.stop_replaying(cx);
             return;
         }
-        self.update_editor(window, cx, |_, editor, window, cx| {
+        self.update_editor(cx, |_, editor, cx| {
             let latest = editor.selections.newest::<usize>(cx);
             if vim_is_normal {
                 start_selection = latest.start;
@@ -1170,7 +1203,7 @@ mod test {
                     the lazy dog"});
         assert_eq!(
             cx.read_from_clipboard()
-                .map(|item| item.text().unwrap().to_string())
+                .map(|item| item.text().unwrap())
                 .unwrap(),
             "The q"
         );
diff --git a/crates/vim/test_data/test_change_paragraph_object_with_soft_wrap.json b/crates/vim/test_data/test_change_paragraph_object_with_soft_wrap.json
new file mode 100644
index 0000000000..47d68e13a6
--- /dev/null
+++ b/crates/vim/test_data/test_change_paragraph_object_with_soft_wrap.json
@@ -0,0 +1,72 @@
+{"SetOption":{"value":"wrap"}}
+{"SetOption":{"value":"columns=20"}}
+{"Put":{"state":"ˇFirst paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"c"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"ˇ\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is ˇlimited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"c"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"ˇ\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"c"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇ\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and ˇshould be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"c"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇ\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"c"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇ\n","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping ˇsettings.\n"}}
+{"Key":"c"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇ\n","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.ˇ\n"}}
+{"Key":"c"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇ\n","mode":"Insert"}}
+{"Put":{"state":"ˇFirst paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"c"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"ˇ\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is ˇlimited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"c"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"ˇ\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"c"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇ\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and ˇshould be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"c"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇ\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"c"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇ","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping ˇsettings.\n"}}
+{"Key":"c"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇ","mode":"Insert"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.ˇ\n"}}
+{"Key":"c"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇ","mode":"Insert"}}
diff --git a/crates/vim/test_data/test_delete_paragraph_object_with_soft_wrap.json b/crates/vim/test_data/test_delete_paragraph_object_with_soft_wrap.json
new file mode 100644
index 0000000000..19dcd175b3
--- /dev/null
+++ b/crates/vim/test_data/test_delete_paragraph_object_with_soft_wrap.json
@@ -0,0 +1,72 @@
+{"SetOption":{"value":"wrap"}}
+{"SetOption":{"value":"columns=20"}}
+{"Put":{"state":"ˇFirst paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"d"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"ˇ\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is ˇlimited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"d"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"ˇ\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"d"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇ\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and ˇshould be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"d"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇ\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"d"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇ","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping ˇsettings.\n"}}
+{"Key":"d"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇ","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.ˇ\n"}}
+{"Key":"d"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇ","mode":"Normal"}}
+{"Put":{"state":"ˇFirst paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"d"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"ˇSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is ˇlimited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"d"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"Second paragraph that is also quite long and will definitely wrap under soft wrap conditions andˇ should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"d"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and ˇshould be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"d"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nThird paragraph with additional long text content that will also wrap when line length is constraˇined by the wrapping settings.\n","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"d"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\nˇ","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping ˇsettings.\n"}}
+{"Key":"d"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\nˇ","mode":"Normal"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.ˇ\n"}}
+{"Key":"d"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\nˇ","mode":"Normal"}}
diff --git a/crates/vim/test_data/test_delete_paragraph_whitespace.json b/crates/vim/test_data/test_delete_paragraph_whitespace.json
new file mode 100644
index 0000000000..e07b18eaa3
--- /dev/null
+++ b/crates/vim/test_data/test_delete_paragraph_whitespace.json
@@ -0,0 +1,5 @@
+{"Put":{"state":"a\n       ˇ•\naaaaaaaaaaaaa\n"}}
+{"Key":"d"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"a\naaaaaaaˇaaaaaa\n","mode":"Normal"}}
diff --git a/crates/vim/test_data/test_increment_visual_partial_number.json b/crates/vim/test_data/test_increment_visual_partial_number.json
new file mode 100644
index 0000000000..ebb4eece78
--- /dev/null
+++ b/crates/vim/test_data/test_increment_visual_partial_number.json
@@ -0,0 +1,20 @@
+{"Put":{"state":"ˇ123"}}
+{"Key":"v"}
+{"Key":"l"}
+{"Key":"ctrl-a"}
+{"Get":{"state":"ˇ133","mode":"Normal"}}
+{"Key":"l"}
+{"Key":"v"}
+{"Key":"l"}
+{"Key":"ctrl-a"}
+{"Get":{"state":"1ˇ34","mode":"Normal"}}
+{"Key":"shift-v"}
+{"Key":"y"}
+{"Key":"p"}
+{"Key":"p"}
+{"Key":"ctrl-v"}
+{"Key":"k"}
+{"Key":"k"}
+{"Key":"l"}
+{"Key":"ctrl-a"}
+{"Get":{"state":"ˇ144\n144\n144","mode":"Normal"}}
diff --git a/crates/vim/test_data/test_insert_ctrl_y.json b/crates/vim/test_data/test_insert_ctrl_y.json
new file mode 100644
index 0000000000..09b707a198
--- /dev/null
+++ b/crates/vim/test_data/test_insert_ctrl_y.json
@@ -0,0 +1,5 @@
+{"Put":{"state":"hello\nˇ\nworld"}}
+{"Key":"i"}
+{"Key":"ctrl-y"}
+{"Key":"ctrl-e"}
+{"Get":{"state":"hello\nhoˇ\nworld","mode":"Insert"}}
diff --git a/crates/vim/test_data/test_visual_paragraph_object_with_soft_wrap.json b/crates/vim/test_data/test_visual_paragraph_object_with_soft_wrap.json
new file mode 100644
index 0000000000..6bfce2f955
--- /dev/null
+++ b/crates/vim/test_data/test_visual_paragraph_object_with_soft_wrap.json
@@ -0,0 +1,72 @@
+{"SetOption":{"value":"wrap"}}
+{"SetOption":{"value":"columns=20"}}
+{"Put":{"state":"ˇFirst paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"v"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"«Fˇ»irst paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is ˇlimited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"v"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"«ˇFirst paragraph with very long text that will wrap when soft wrap is enabled and line length is l»imited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"v"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\n«Sˇ»econd paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and ˇshould be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"v"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\n«ˇSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and s»hould be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"v"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\n«Tˇ»hird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping ˇsettings.\n"}}
+{"Key":"v"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\n«ˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping s»ettings.\n","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.ˇ\n"}}
+{"Key":"v"}
+{"Key":"i"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\n«ˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.»\n","mode":"VisualLine"}}
+{"Put":{"state":"ˇFirst paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"v"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"«First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇ»Second paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is ˇlimited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"v"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is «limited making it span multiple display lines.\n\nˇ»Second paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nˇSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"v"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\n«Second paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇ»Third paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and ˇshould be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"v"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and «should be handled correctly.\n\nˇ»Third paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nˇThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\n"}}
+{"Key":"v"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\n«Third paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.\nˇ»","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping ˇsettings.\n"}}
+{"Key":"v"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping «settings.\nˇ»","mode":"VisualLine"}}
+{"Put":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings.ˇ\n"}}
+{"Key":"v"}
+{"Key":"a"}
+{"Key":"p"}
+{"Get":{"state":"First paragraph with very long text that will wrap when soft wrap is enabled and line length is limited making it span multiple display lines.\n\nSecond paragraph that is also quite long and will definitely wrap under soft wrap conditions and should be handled correctly.\n\nThird paragraph with additional long text content that will also wrap when line length is constrained by the wrapping settings«.\nˇ»","mode":"VisualLine"}}
diff --git a/crates/watch/src/watch.rs b/crates/watch/src/watch.rs
index c0741e4a20..71dab74820 100644
--- a/crates/watch/src/watch.rs
+++ b/crates/watch/src/watch.rs
@@ -162,6 +162,19 @@ impl<T> Receiver<T> {
             pending_waker_id: None,
         }
     }
+
+    /// Creates a new [`Receiver`] holding an initial value that will never change.
+    pub fn constant(value: T) -> Self {
+        let state = Arc::new(RwLock::new(State {
+            value,
+            wakers: BTreeMap::new(),
+            next_waker_id: WakerId::default(),
+            version: 0,
+            closed: false,
+        }));
+
+        Self { state, version: 0 }
+    }
 }
 
 impl<T: Clone> Receiver<T> {
@@ -218,7 +231,7 @@ mod tests {
         let mut tasks = Vec::new();
 
         tasks.push(cx.background_spawn({
-            let executor = cx.executor().clone();
+            let executor = cx.executor();
             let next_id = next_id.clone();
             let closed = closed.clone();
             async move {
diff --git a/crates/web_search/src/web_search.rs b/crates/web_search/src/web_search.rs
index 8578cfe4aa..c381b91f39 100644
--- a/crates/web_search/src/web_search.rs
+++ b/crates/web_search/src/web_search.rs
@@ -57,7 +57,7 @@ impl WebSearchRegistry {
     ) {
         let id = provider.id();
         let provider = Arc::new(provider);
-        self.providers.insert(id.clone(), provider.clone());
+        self.providers.insert(id, provider.clone());
         if self.active_provider.is_none() {
             self.active_provider = Some(provider);
         }
diff --git a/crates/web_search_providers/src/cloud.rs b/crates/web_search_providers/src/cloud.rs
index 52ee0da0d4..75ffb1da63 100644
--- a/crates/web_search_providers/src/cloud.rs
+++ b/crates/web_search_providers/src/cloud.rs
@@ -50,7 +50,7 @@ impl State {
     }
 }
 
-pub const ZED_WEB_SEARCH_PROVIDER_ID: &'static str = "zed.dev";
+pub const ZED_WEB_SEARCH_PROVIDER_ID: &str = "zed.dev";
 
 impl WebSearchProvider for CloudWebSearchProvider {
     fn id(&self) -> WebSearchProviderId {
diff --git a/crates/web_search_providers/src/web_search_providers.rs b/crates/web_search_providers/src/web_search_providers.rs
index 2248cb7eb3..8ab0aee47a 100644
--- a/crates/web_search_providers/src/web_search_providers.rs
+++ b/crates/web_search_providers/src/web_search_providers.rs
@@ -27,11 +27,10 @@ fn register_web_search_providers(
 
     cx.subscribe(
         &LanguageModelRegistry::global(cx),
-        move |this, registry, event, cx| match event {
-            language_model::Event::DefaultModelChanged => {
+        move |this, registry, event, cx| {
+            if let language_model::Event::DefaultModelChanged = event {
                 register_zed_web_search_provider(this, client.clone(), &registry, cx)
             }
-            _ => {}
         },
     )
     .detach();
@@ -46,7 +45,7 @@ fn register_zed_web_search_provider(
     let using_zed_provider = language_model_registry
         .read(cx)
         .default_model()
-        .map_or(false, |default| default.is_provided_by_zed());
+        .is_some_and(|default| default.is_provided_by_zed());
     if using_zed_provider {
         registry.register_provider(cloud::CloudWebSearchProvider::new(client, cx), cx)
     } else {
diff --git a/crates/welcome/Cargo.toml b/crates/welcome/Cargo.toml
deleted file mode 100644
index acb3fe0f84..0000000000
--- a/crates/welcome/Cargo.toml
+++ /dev/null
@@ -1,40 +0,0 @@
-[package]
-name = "welcome"
-version = "0.1.0"
-edition.workspace = true
-publish.workspace = true
-license = "GPL-3.0-or-later"
-
-[lints]
-workspace = true
-
-[lib]
-path = "src/welcome.rs"
-
-[features]
-test-support = []
-
-[dependencies]
-anyhow.workspace = true
-client.workspace = true
-component.workspace = true
-db.workspace = true
-documented.workspace = true
-fuzzy.workspace = true
-gpui.workspace = true
-install_cli.workspace = true
-language.workspace = true
-picker.workspace = true
-project.workspace = true
-serde.workspace = true
-settings.workspace = true
-telemetry.workspace = true
-ui.workspace = true
-util.workspace = true
-vim_mode_setting.workspace = true
-workspace-hack.workspace = true
-workspace.workspace = true
-zed_actions.workspace = true
-
-[dev-dependencies]
-editor = { workspace = true, features = ["test-support"] }
diff --git a/crates/welcome/src/welcome.rs b/crates/welcome/src/welcome.rs
deleted file mode 100644
index 352118eee8..0000000000
--- a/crates/welcome/src/welcome.rs
+++ /dev/null
@@ -1,445 +0,0 @@
-use client::{DisableAiSettings, TelemetrySettings, telemetry::Telemetry};
-use db::kvp::KEY_VALUE_STORE;
-use gpui::{
-    Action, App, Context, Entity, EventEmitter, FocusHandle, Focusable, InteractiveElement,
-    ParentElement, Render, Styled, Subscription, Task, WeakEntity, Window, actions, svg,
-};
-use language::language_settings::{EditPredictionProvider, all_language_settings};
-use settings::{Settings, SettingsStore};
-use std::sync::Arc;
-use ui::{CheckboxWithLabel, ElevationIndex, Tooltip, prelude::*};
-use util::ResultExt;
-use vim_mode_setting::VimModeSetting;
-use workspace::{
-    AppState, Welcome, Workspace, WorkspaceId,
-    dock::DockPosition,
-    item::{Item, ItemEvent},
-    open_new,
-};
-
-pub use multibuffer_hint::*;
-
-mod base_keymap_picker;
-mod multibuffer_hint;
-
-actions!(
-    welcome,
-    [
-        /// Resets the welcome screen hints to their initial state.
-        ResetHints
-    ]
-);
-
-pub const FIRST_OPEN: &str = "first_open";
-pub const DOCS_URL: &str = "https://zed.dev/docs/";
-
-pub fn init(cx: &mut App) {
-    cx.observe_new(|workspace: &mut Workspace, _, _cx| {
-        workspace.register_action(|workspace, _: &Welcome, window, cx| {
-            let welcome_page = WelcomePage::new(workspace, cx);
-            workspace.add_item_to_active_pane(Box::new(welcome_page), None, true, window, cx)
-        });
-        workspace
-            .register_action(|_workspace, _: &ResetHints, _, cx| MultibufferHint::set_count(0, cx));
-    })
-    .detach();
-
-    base_keymap_picker::init(cx);
-}
-
-pub fn show_welcome_view(app_state: Arc<AppState>, cx: &mut App) -> Task<anyhow::Result<()>> {
-    open_new(
-        Default::default(),
-        app_state,
-        cx,
-        |workspace, window, cx| {
-            workspace.toggle_dock(DockPosition::Left, window, cx);
-            let welcome_page = WelcomePage::new(workspace, cx);
-            workspace.add_item_to_center(Box::new(welcome_page.clone()), window, cx);
-
-            window.focus(&welcome_page.focus_handle(cx));
-
-            cx.notify();
-
-            db::write_and_log(cx, || {
-                KEY_VALUE_STORE.write_kvp(FIRST_OPEN.to_string(), "false".to_string())
-            });
-        },
-    )
-}
-
-pub struct WelcomePage {
-    workspace: WeakEntity<Workspace>,
-    focus_handle: FocusHandle,
-    telemetry: Arc<Telemetry>,
-    _settings_subscription: Subscription,
-}
-
-impl Render for WelcomePage {
-    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let edit_prediction_provider_is_zed =
-            all_language_settings(None, cx).edit_predictions.provider
-                == EditPredictionProvider::Zed;
-
-        let edit_prediction_label = if edit_prediction_provider_is_zed {
-            "Edit Prediction Enabled"
-        } else {
-            "Try Edit Prediction"
-        };
-
-        h_flex()
-            .size_full()
-            .bg(cx.theme().colors().editor_background)
-            .key_context("Welcome")
-            .track_focus(&self.focus_handle(cx))
-            .child(
-                v_flex()
-                    .gap_8()
-                    .mx_auto()
-                    .child(
-                        v_flex()
-                            .w_full()
-                            .child(
-                                svg()
-                                    .path("icons/logo_96.svg")
-                                    .text_color(cx.theme().colors().icon_disabled)
-                                    .w(px(40.))
-                                    .h(px(40.))
-                                    .mx_auto()
-                                    .mb_4(),
-                            )
-                            .child(
-                                h_flex()
-                                    .w_full()
-                                    .justify_center()
-                                    .child(Headline::new("Welcome to Zed")),
-                            )
-                            .child(
-                                h_flex().w_full().justify_center().child(
-                                    Label::new("The editor for what's next")
-                                        .color(Color::Muted)
-                                        .italic(),
-                                ),
-                            ),
-                    )
-                    .child(
-                        h_flex()
-                            .items_start()
-                            .gap_8()
-                            .child(
-                                v_flex()
-                                    .gap_2()
-                                    .pr_8()
-                                    .border_r_1()
-                                    .border_color(cx.theme().colors().border_variant)
-                                    .child(
-                                        self.section_label( cx).child(
-                                            Label::new("Get Started")
-                                                .size(LabelSize::XSmall)
-                                                .color(Color::Muted),
-                                        ),
-                                    )
-                                    .child(
-                                        Button::new("choose-theme", "Choose a Theme")
-                                            .icon(IconName::SwatchBook)
-                                            .icon_size(IconSize::XSmall)
-                                            .icon_color(Color::Muted)
-                                            .icon_position(IconPosition::Start)
-                                            .on_click(cx.listener(|this, _, window, cx| {
-                                                telemetry::event!("Welcome Theme Changed");
-                                                this.workspace
-                                                    .update(cx, |_workspace, cx| {
-                                                        window.dispatch_action(zed_actions::theme_selector::Toggle::default().boxed_clone(), cx);
-                                                    })
-                                                    .ok();
-                                            })),
-                                    )
-                                    .child(
-                                        Button::new("choose-keymap", "Choose a Keymap")
-                                            .icon(IconName::Keyboard)
-                                            .icon_size(IconSize::XSmall)
-                                            .icon_color(Color::Muted)
-                                            .icon_position(IconPosition::Start)
-                                            .on_click(cx.listener(|this, _, window, cx| {
-                                                telemetry::event!("Welcome Keymap Changed");
-                                                this.workspace
-                                                    .update(cx, |workspace, cx| {
-                                                        base_keymap_picker::toggle(
-                                                            workspace,
-                                                            &Default::default(),
-                                                            window, cx,
-                                                        )
-                                                    })
-                                                    .ok();
-                                            })),
-                                    )
-                                    .when(!DisableAiSettings::get_global(cx).disable_ai, |parent| {
-                                        parent.child(
-                                            Button::new(
-                                                "edit_prediction_onboarding",
-                                                edit_prediction_label,
-                                            )
-                                            .disabled(edit_prediction_provider_is_zed)
-                                            .icon(IconName::ZedPredict)
-                                            .icon_size(IconSize::XSmall)
-                                            .icon_color(Color::Muted)
-                                            .icon_position(IconPosition::Start)
-                                            .on_click(
-                                                cx.listener(|_, _, window, cx| {
-                                                    telemetry::event!("Welcome Screen Try Edit Prediction clicked");
-                                                    window.dispatch_action(zed_actions::OpenZedPredictOnboarding.boxed_clone(), cx);
-                                                }),
-                                            ),
-                                        )
-                                    })
-                                    .child(
-                                        Button::new("edit settings", "Edit Settings")
-                                            .icon(IconName::Settings)
-                                            .icon_size(IconSize::XSmall)
-                                            .icon_color(Color::Muted)
-                                            .icon_position(IconPosition::Start)
-                                            .on_click(cx.listener(|_, _, window, cx| {
-                                                telemetry::event!("Welcome Settings Edited");
-                                                window.dispatch_action(Box::new(
-                                                    zed_actions::OpenSettings,
-                                                ), cx);
-                                            })),
-                                    )
-
-                            )
-                            .child(
-                                v_flex()
-                                    .gap_2()
-                                    .child(
-                                        self.section_label(cx).child(
-                                            Label::new("Resources")
-                                                .size(LabelSize::XSmall)
-                                                .color(Color::Muted),
-                                        ),
-                                    )
-                                    .when(cfg!(target_os = "macos"), |el| {
-                                        el.child(
-                                            Button::new("install-cli", "Install the CLI")
-                                                .icon(IconName::Terminal)
-                                                .icon_size(IconSize::XSmall)
-                                                .icon_color(Color::Muted)
-                                                .icon_position(IconPosition::Start)
-                                                .on_click(cx.listener(|this, _, window, cx| {
-                                                    telemetry::event!("Welcome CLI Installed");
-                                                    this.workspace.update(cx, |_, cx|{
-                                                        install_cli::install_cli(window, cx);
-                                                    }).log_err();
-                                                })),
-                                        )
-                                    })
-                                    .child(
-                                        Button::new("view-docs", "View Documentation")
-                                            .icon(IconName::FileCode)
-                                            .icon_size(IconSize::XSmall)
-                                            .icon_color(Color::Muted)
-                                            .icon_position(IconPosition::Start)
-                                            .on_click(cx.listener(|_, _, _, cx| {
-                                                telemetry::event!("Welcome Documentation Viewed");
-                                                cx.open_url(DOCS_URL);
-                                            })),
-                                    )
-                                    .child(
-                                        Button::new("explore-extensions", "Explore Extensions")
-                                            .icon(IconName::Blocks)
-                                            .icon_size(IconSize::XSmall)
-                                            .icon_color(Color::Muted)
-                                            .icon_position(IconPosition::Start)
-                                            .on_click(cx.listener(|_, _, window, cx| {
-                                                telemetry::event!("Welcome Extensions Page Opened");
-                                                window.dispatch_action(Box::new(
-                                                    zed_actions::Extensions::default(),
-                                                ), cx);
-                                            })),
-                                    )
-                            ),
-                    )
-                    .child(
-                        v_container()
-                            .px_2()
-                            .gap_2()
-                            .child(
-                                h_flex()
-                                    .justify_between()
-                                    .child(
-                                        CheckboxWithLabel::new(
-                                            "enable-vim",
-                                            Label::new("Enable Vim Mode"),
-                                            if VimModeSetting::get_global(cx).0 {
-                                                ui::ToggleState::Selected
-                                            } else {
-                                                ui::ToggleState::Unselected
-                                            },
-                                            cx.listener(move |this, selection, _window, cx| {
-                                                telemetry::event!("Welcome Vim Mode Toggled");
-                                                this.update_settings::<VimModeSetting>(
-                                                    selection,
-                                                    cx,
-                                                    |setting, value| *setting = Some(value),
-                                                );
-                                            }),
-                                        )
-                                        .fill()
-                                        .elevation(ElevationIndex::ElevatedSurface),
-                                    )
-                                    .child(
-                                        IconButton::new("vim-mode", IconName::Info)
-                                            .icon_size(IconSize::XSmall)
-                                            .icon_color(Color::Muted)
-                                            .tooltip(
-                                                Tooltip::text(
-                                                    "You can also toggle Vim Mode via the command palette or Editor Controls menu.")
-                                            ),
-                                    ),
-                            )
-                            .child(
-                                CheckboxWithLabel::new(
-                                    "enable-crash",
-                                    Label::new("Send Crash Reports"),
-                                    if TelemetrySettings::get_global(cx).diagnostics {
-                                        ui::ToggleState::Selected
-                                    } else {
-                                        ui::ToggleState::Unselected
-                                    },
-                                    cx.listener(move |this, selection, _window, cx| {
-                                        telemetry::event!("Welcome Diagnostic Telemetry Toggled");
-                                        this.update_settings::<TelemetrySettings>(selection, cx, {
-                                            move |settings, value| {
-                                                settings.diagnostics = Some(value);
-                                                telemetry::event!(
-                                                    "Settings Changed",
-                                                    setting = "diagnostic telemetry",
-                                                    value
-                                                );
-                                            }
-                                        });
-                                    }),
-                                )
-                                .fill()
-                                .elevation(ElevationIndex::ElevatedSurface),
-                            )
-                            .child(
-                                CheckboxWithLabel::new(
-                                    "enable-telemetry",
-                                    Label::new("Send Telemetry"),
-                                    if TelemetrySettings::get_global(cx).metrics {
-                                        ui::ToggleState::Selected
-                                    } else {
-                                        ui::ToggleState::Unselected
-                                    },
-                                    cx.listener(move |this, selection, _window, cx| {
-                                        telemetry::event!("Welcome Metric Telemetry Toggled");
-                                        this.update_settings::<TelemetrySettings>(selection, cx, {
-                                            move |settings, value| {
-                                                settings.metrics = Some(value);
-                                                telemetry::event!(
-                                                    "Settings Changed",
-                                                    setting = "metric telemetry",
-                                                    value
-                                                );
-                                            }
-                                        });
-                                    }),
-                                )
-                                .fill()
-                                .elevation(ElevationIndex::ElevatedSurface),
-                            ),
-                    ),
-            )
-    }
-}
-
-impl WelcomePage {
-    pub fn new(workspace: &Workspace, cx: &mut Context<Workspace>) -> Entity<Self> {
-        let this = cx.new(|cx| {
-            cx.on_release(|_: &mut Self, _| {
-                telemetry::event!("Welcome Page Closed");
-            })
-            .detach();
-
-            WelcomePage {
-                focus_handle: cx.focus_handle(),
-                workspace: workspace.weak_handle(),
-                telemetry: workspace.client().telemetry().clone(),
-                _settings_subscription: cx
-                    .observe_global::<SettingsStore>(move |_, cx| cx.notify()),
-            }
-        });
-
-        this
-    }
-
-    fn section_label(&self, cx: &mut App) -> Div {
-        div()
-            .pl_1()
-            .font_buffer(cx)
-            .text_color(Color::Muted.color(cx))
-    }
-
-    fn update_settings<T: Settings>(
-        &mut self,
-        selection: &ToggleState,
-        cx: &mut Context<Self>,
-        callback: impl 'static + Send + Fn(&mut T::FileContent, bool),
-    ) {
-        if let Some(workspace) = self.workspace.upgrade() {
-            let fs = workspace.read(cx).app_state().fs.clone();
-            let selection = *selection;
-            settings::update_settings_file::<T>(fs, cx, move |settings, _| {
-                let value = match selection {
-                    ToggleState::Unselected => false,
-                    ToggleState::Selected => true,
-                    _ => return,
-                };
-
-                callback(settings, value)
-            });
-        }
-    }
-}
-
-impl EventEmitter<ItemEvent> for WelcomePage {}
-
-impl Focusable for WelcomePage {
-    fn focus_handle(&self, _: &App) -> gpui::FocusHandle {
-        self.focus_handle.clone()
-    }
-}
-
-impl Item for WelcomePage {
-    type Event = ItemEvent;
-
-    fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
-        "Welcome".into()
-    }
-
-    fn telemetry_event_text(&self) -> Option<&'static str> {
-        Some("Welcome Page Opened")
-    }
-
-    fn show_toolbar(&self) -> bool {
-        false
-    }
-
-    fn clone_on_split(
-        &self,
-        _workspace_id: Option<WorkspaceId>,
-        _: &mut Window,
-        cx: &mut Context<Self>,
-    ) -> Option<Entity<Self>> {
-        Some(cx.new(|cx| WelcomePage {
-            focus_handle: cx.focus_handle(),
-            workspace: self.workspace.clone(),
-            telemetry: self.telemetry.clone(),
-            _settings_subscription: cx.observe_global::<SettingsStore>(move |_, cx| cx.notify()),
-        }))
-    }
-
-    fn to_item_events(event: &Self::Event, mut f: impl FnMut(workspace::item::ItemEvent)) {
-        f(*event)
-    }
-}
diff --git a/crates/workspace/Cargo.toml b/crates/workspace/Cargo.toml
index e1bda7ad36..869aa5322e 100644
--- a/crates/workspace/Cargo.toml
+++ b/crates/workspace/Cargo.toml
@@ -29,7 +29,6 @@ test-support = [
 any_vec.workspace = true
 anyhow.workspace = true
 async-recursion.workspace = true
-bincode = "1.2.1"
 call.workspace = true
 client.workspace = true
 clock.workspace = true
@@ -80,5 +79,6 @@ project = { workspace = true, features = ["test-support"] }
 session = { workspace = true, features = ["test-support"] }
 settings = { workspace = true, features = ["test-support"] }
 http_client = { workspace = true, features = ["test-support"] }
+pretty_assertions.workspace = true
 tempfile.workspace = true
 zlog.workspace = true
diff --git a/crates/workspace/src/dock.rs b/crates/workspace/src/dock.rs
index ca63d3e553..149a122c0c 100644
--- a/crates/workspace/src/dock.rs
+++ b/crates/workspace/src/dock.rs
@@ -171,7 +171,7 @@ where
     }
 
     fn panel_focus_handle(&self, cx: &App) -> FocusHandle {
-        self.read(cx).focus_handle(cx).clone()
+        self.read(cx).focus_handle(cx)
     }
 
     fn activation_priority(&self, cx: &App) -> u32 {
@@ -253,7 +253,7 @@ impl Dock {
         cx: &mut Context<Workspace>,
     ) -> Entity<Self> {
         let focus_handle = cx.focus_handle();
-        let workspace = cx.entity().clone();
+        let workspace = cx.entity();
         let dock = cx.new(|cx| {
             let focus_subscription =
                 cx.on_focus(&focus_handle, window, |dock: &mut Dock, window, cx| {
@@ -305,15 +305,14 @@ impl Dock {
         .detach();
 
         cx.observe_in(&dock, window, move |workspace, dock, window, cx| {
-            if dock.read(cx).is_open() {
-                if let Some(panel) = dock.read(cx).active_panel() {
-                    if panel.is_zoomed(window, cx) {
-                        workspace.zoomed = Some(panel.to_any().downgrade());
-                        workspace.zoomed_position = Some(position);
-                        cx.emit(Event::ZoomChanged);
-                        return;
-                    }
-                }
+            if dock.read(cx).is_open()
+                && let Some(panel) = dock.read(cx).active_panel()
+                && panel.is_zoomed(window, cx)
+            {
+                workspace.zoomed = Some(panel.to_any().downgrade());
+                workspace.zoomed_position = Some(position);
+                cx.emit(Event::ZoomChanged);
+                return;
             }
             if workspace.zoomed_position == Some(position) {
                 workspace.zoomed = None;
@@ -341,7 +340,7 @@ impl Dock {
     pub fn panel<T: Panel>(&self) -> Option<Entity<T>> {
         self.panel_entries
             .iter()
-            .find_map(|entry| entry.panel.to_any().clone().downcast().ok())
+            .find_map(|entry| entry.panel.to_any().downcast().ok())
     }
 
     pub fn panel_index_for_type<T: Panel>(&self) -> Option<usize> {
@@ -461,7 +460,7 @@ impl Dock {
                     };
 
                     let was_visible = this.is_open()
-                        && this.visible_panel().map_or(false, |active_panel| {
+                        && this.visible_panel().is_some_and(|active_panel| {
                             active_panel.panel_id() == Entity::entity_id(&panel)
                         });
 
@@ -524,7 +523,7 @@ impl Dock {
                     PanelEvent::Close => {
                         if this
                             .visible_panel()
-                            .map_or(false, |p| p.panel_id() == Entity::entity_id(panel))
+                            .is_some_and(|p| p.panel_id() == Entity::entity_id(panel))
                         {
                             this.set_open(false, window, cx);
                         }
@@ -541,10 +540,10 @@ impl Dock {
             Ok(ix) => ix,
             Err(ix) => ix,
         };
-        if let Some(active_index) = self.active_panel_index.as_mut() {
-            if *active_index >= index {
-                *active_index += 1;
-            }
+        if let Some(active_index) = self.active_panel_index.as_mut()
+            && *active_index >= index
+        {
+            *active_index += 1;
         }
         self.panel_entries.insert(
             index,
@@ -566,16 +565,16 @@ impl Dock {
 
     pub fn restore_state(&mut self, window: &mut Window, cx: &mut Context<Self>) -> bool {
         if let Some(serialized) = self.serialized_dock.clone() {
-            if let Some(active_panel) = serialized.active_panel.filter(|_| serialized.visible) {
-                if let Some(idx) = self.panel_index_for_persistent_name(active_panel.as_str(), cx) {
-                    self.activate_panel(idx, window, cx);
-                }
+            if let Some(active_panel) = serialized.active_panel.filter(|_| serialized.visible)
+                && let Some(idx) = self.panel_index_for_persistent_name(active_panel.as_str(), cx)
+            {
+                self.activate_panel(idx, window, cx);
             }
 
-            if serialized.zoom {
-                if let Some(panel) = self.active_panel() {
-                    panel.set_zoomed(true, window, cx)
-                }
+            if serialized.zoom
+                && let Some(panel) = self.active_panel()
+            {
+                panel.set_zoomed(true, window, cx)
             }
             self.set_open(serialized.visible, window, cx);
             return true;
@@ -916,6 +915,11 @@ impl Render for PanelButtons {
                                 .on_click({
                                     let action = action.boxed_clone();
                                     move |_, window, cx| {
+                                        telemetry::event!(
+                                            "Panel Button Clicked",
+                                            name = name,
+                                            toggle_state = !is_open
+                                        );
                                         window.focus(&focus_handle);
                                         window.dispatch_action(action.boxed_clone(), cx)
                                     }
diff --git a/crates/workspace/src/history_manager.rs b/crates/workspace/src/history_manager.rs
index e63b1823ea..f68b58ff82 100644
--- a/crates/workspace/src/history_manager.rs
+++ b/crates/workspace/src/history_manager.rs
@@ -5,7 +5,9 @@ use smallvec::SmallVec;
 use ui::App;
 use util::{ResultExt, paths::PathExt};
 
-use crate::{NewWindow, SerializedWorkspaceLocation, WORKSPACE_DB, WorkspaceId};
+use crate::{
+    NewWindow, SerializedWorkspaceLocation, WORKSPACE_DB, WorkspaceId, path_list::PathList,
+};
 
 pub fn init(cx: &mut App) {
     let manager = cx.new(|_| HistoryManager::new());
@@ -44,7 +46,13 @@ impl HistoryManager {
                 .unwrap_or_default()
                 .into_iter()
                 .rev()
-                .map(|(id, location)| HistoryManagerEntry::new(id, &location))
+                .filter_map(|(id, location, paths)| {
+                    if matches!(location, SerializedWorkspaceLocation::Local) {
+                        Some(HistoryManagerEntry::new(id, &paths))
+                    } else {
+                        None
+                    }
+                })
                 .collect::<Vec<_>>();
             this.update(cx, |this, cx| {
                 this.history = recent_folders;
@@ -101,11 +109,11 @@ impl HistoryManager {
         }
         let mut deleted_ids = Vec::new();
         for idx in (0..self.history.len()).rev() {
-            if let Some(entry) = self.history.get(idx) {
-                if user_removed.contains(&entry.path) {
-                    deleted_ids.push(entry.id);
-                    self.history.remove(idx);
-                }
+            if let Some(entry) = self.history.get(idx)
+                && user_removed.contains(&entry.path)
+            {
+                deleted_ids.push(entry.id);
+                self.history.remove(idx);
             }
         }
         cx.spawn(async move |_| {
@@ -118,9 +126,9 @@ impl HistoryManager {
 }
 
 impl HistoryManagerEntry {
-    pub fn new(id: WorkspaceId, location: &SerializedWorkspaceLocation) -> Self {
-        let path = location
-            .sorted_paths()
+    pub fn new(id: WorkspaceId, paths: &PathList) -> Self {
+        let path = paths
+            .paths()
             .iter()
             .map(|path| path.compact())
             .collect::<SmallVec<[PathBuf; 2]>>();
diff --git a/crates/workspace/src/invalid_buffer_view.rs b/crates/workspace/src/invalid_buffer_view.rs
new file mode 100644
index 0000000000..b8c0db29d3
--- /dev/null
+++ b/crates/workspace/src/invalid_buffer_view.rs
@@ -0,0 +1,111 @@
+use std::{path::Path, sync::Arc};
+
+use gpui::{EventEmitter, FocusHandle, Focusable};
+use ui::{
+    App, Button, ButtonCommon, ButtonStyle, Clickable, Context, FluentBuilder, InteractiveElement,
+    KeyBinding, ParentElement, Render, SharedString, Styled as _, Window, h_flex, v_flex,
+};
+use zed_actions::workspace::OpenWithSystem;
+
+use crate::Item;
+
+/// A view to display when a certain buffer fails to open.
+pub struct InvalidBufferView {
+    /// Which path was attempted to open.
+    pub abs_path: Arc<Path>,
+    /// An error message, happened when opening the buffer.
+    pub error: SharedString,
+    is_local: bool,
+    focus_handle: FocusHandle,
+}
+
+impl InvalidBufferView {
+    pub fn new(
+        abs_path: &Path,
+        is_local: bool,
+        e: &anyhow::Error,
+        _: &mut Window,
+        cx: &mut App,
+    ) -> Self {
+        Self {
+            is_local,
+            abs_path: Arc::from(abs_path),
+            error: format!("{e}").into(),
+            focus_handle: cx.focus_handle(),
+        }
+    }
+}
+
+impl Item for InvalidBufferView {
+    type Event = ();
+
+    fn tab_content_text(&self, mut detail: usize, _: &App) -> SharedString {
+        // Ensure we always render at least the filename.
+        detail += 1;
+
+        let path = self.abs_path.as_ref();
+
+        let mut prefix = path;
+        while detail > 0 {
+            if let Some(parent) = prefix.parent() {
+                prefix = parent;
+                detail -= 1;
+            } else {
+                break;
+            }
+        }
+
+        let path = if detail > 0 {
+            path
+        } else {
+            path.strip_prefix(prefix).unwrap_or(path)
+        };
+
+        SharedString::new(path.to_string_lossy())
+    }
+}
+
+impl EventEmitter<()> for InvalidBufferView {}
+
+impl Focusable for InvalidBufferView {
+    fn focus_handle(&self, _: &App) -> FocusHandle {
+        self.focus_handle.clone()
+    }
+}
+
+impl Render for InvalidBufferView {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl gpui::IntoElement {
+        let abs_path = self.abs_path.clone();
+        v_flex()
+            .size_full()
+            .track_focus(&self.focus_handle(cx))
+            .flex_none()
+            .justify_center()
+            .overflow_hidden()
+            .key_context("InvalidBuffer")
+            .child(
+                h_flex().size_full().justify_center().child(
+                    v_flex()
+                        .justify_center()
+                        .gap_2()
+                        .child(h_flex().justify_center().child("Unsupported file type"))
+                        .when(self.is_local, |contents| {
+                            contents.child(
+                                h_flex().justify_center().child(
+                                    Button::new("open-with-system", "Open in Default App")
+                                        .on_click(move |_, _, cx| {
+                                            cx.open_with_system(&abs_path);
+                                        })
+                                        .style(ButtonStyle::Outlined)
+                                        .key_binding(KeyBinding::for_action(
+                                            &OpenWithSystem,
+                                            window,
+                                            cx,
+                                        )),
+                                ),
+                            )
+                        }),
+                ),
+            )
+    }
+}
diff --git a/crates/workspace/src/item.rs b/crates/workspace/src/item.rs
index c8ebe4550b..db91bd82b9 100644
--- a/crates/workspace/src/item.rs
+++ b/crates/workspace/src/item.rs
@@ -1,6 +1,7 @@
 use crate::{
     CollaboratorId, DelayedDebouncedEditAction, FollowableViewRegistry, ItemNavHistory,
     SerializableItemRegistry, ToolbarItemLocation, ViewId, Workspace, WorkspaceId,
+    invalid_buffer_view::InvalidBufferView,
     pane::{self, Pane},
     persistence::model::ItemId,
     searchable::SearchableItemHandle,
@@ -22,6 +23,7 @@ use std::{
     any::{Any, TypeId},
     cell::RefCell,
     ops::Range,
+    path::Path,
     rc::Rc,
     sync::Arc,
     time::Duration,
@@ -270,6 +272,12 @@ pub trait Item: Focusable + EventEmitter<Self::Event> + Render + Sized {
     /// Returns the textual contents of the tab.
     fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString;
 
+    /// Returns the suggested filename for saving this item.
+    /// By default, returns the tab content text.
+    fn suggested_filename(&self, cx: &App) -> SharedString {
+        self.tab_content_text(0, cx)
+    }
+
     fn tab_icon(&self, _window: &Window, _cx: &App) -> Option<Icon> {
         None
     }
@@ -293,6 +301,7 @@ pub trait Item: Focusable + EventEmitter<Self::Event> + Render + Sized {
 
     fn deactivated(&mut self, _window: &mut Window, _: &mut Context<Self>) {}
     fn discarded(&self, _project: Entity<Project>, _window: &mut Window, _cx: &mut Context<Self>) {}
+    fn on_removed(&self, _cx: &App) {}
     fn workspace_deactivated(&mut self, _window: &mut Window, _: &mut Context<Self>) {}
     fn navigate(&mut self, _: Box<dyn Any>, _window: &mut Window, _: &mut Context<Self>) -> bool {
         false
@@ -482,7 +491,7 @@ where
     fn should_serialize(&self, event: &dyn Any, cx: &App) -> bool {
         event
             .downcast_ref::<T::Event>()
-            .map_or(false, |event| self.read(cx).should_serialize(event))
+            .is_some_and(|event| self.read(cx).should_serialize(event))
     }
 }
 
@@ -496,6 +505,7 @@ pub trait ItemHandle: 'static + Send {
     ) -> gpui::Subscription;
     fn tab_content(&self, params: TabContentParams, window: &Window, cx: &App) -> AnyElement;
     fn tab_content_text(&self, detail: usize, cx: &App) -> SharedString;
+    fn suggested_filename(&self, cx: &App) -> SharedString;
     fn tab_icon(&self, window: &Window, cx: &App) -> Option<Icon>;
     fn tab_tooltip_text(&self, cx: &App) -> Option<SharedString>;
     fn tab_tooltip_content(&self, cx: &App) -> Option<TabTooltipContent>;
@@ -532,6 +542,7 @@ pub trait ItemHandle: 'static + Send {
     );
     fn deactivated(&self, window: &mut Window, cx: &mut App);
     fn discarded(&self, project: Entity<Project>, window: &mut Window, cx: &mut App);
+    fn on_removed(&self, cx: &App);
     fn workspace_deactivated(&self, window: &mut Window, cx: &mut App);
     fn navigate(&self, data: Box<dyn Any>, window: &mut Window, cx: &mut App) -> bool;
     fn item_id(&self) -> EntityId;
@@ -629,6 +640,10 @@ impl<T: Item> ItemHandle for Entity<T> {
         self.read(cx).tab_content_text(detail, cx)
     }
 
+    fn suggested_filename(&self, cx: &App) -> SharedString {
+        self.read(cx).suggested_filename(cx)
+    }
+
     fn tab_icon(&self, window: &Window, cx: &App) -> Option<Icon> {
         self.read(cx).tab_icon(window, cx)
     }
@@ -819,10 +834,10 @@ impl<T: Item> ItemHandle for Entity<T> {
                     if let Some(item) = item.to_followable_item_handle(cx) {
                         let leader_id = workspace.leader_for_pane(&pane);
 
-                        if let Some(leader_id) = leader_id {
-                            if let Some(FollowEvent::Unfollow) = item.to_follow_event(event) {
-                                workspace.unfollow(leader_id, window, cx);
-                            }
+                        if let Some(leader_id) = leader_id
+                            && let Some(FollowEvent::Unfollow) = item.to_follow_event(event)
+                        {
+                            workspace.unfollow(leader_id, window, cx);
                         }
 
                         if item.item_focus_handle(cx).contains_focused(window, cx) {
@@ -850,10 +865,10 @@ impl<T: Item> ItemHandle for Entity<T> {
                         }
                     }
 
-                    if let Some(item) = item.to_serializable_item_handle(cx) {
-                        if item.should_serialize(event, cx) {
-                            workspace.enqueue_item_serialization(item).ok();
-                        }
+                    if let Some(item) = item.to_serializable_item_handle(cx)
+                        && item.should_serialize(event, cx)
+                    {
+                        workspace.enqueue_item_serialization(item).ok();
                     }
 
                     T::to_item_events(event, |event| match event {
@@ -935,11 +950,11 @@ impl<T: Item> ItemHandle for Entity<T> {
                 &self.read(cx).focus_handle(cx),
                 window,
                 move |workspace, window, cx| {
-                    if let Some(item) = weak_item.upgrade() {
-                        if item.workspace_settings(cx).autosave == AutosaveSetting::OnFocusChange {
-                            Pane::autosave_item(&item, workspace.project.clone(), window, cx)
-                                .detach_and_log_err(cx);
-                        }
+                    if let Some(item) = weak_item.upgrade()
+                        && item.workspace_settings(cx).autosave == AutosaveSetting::OnFocusChange
+                    {
+                        Pane::autosave_item(&item, workspace.project.clone(), window, cx)
+                            .detach_and_log_err(cx);
                     }
                 },
             )
@@ -968,6 +983,10 @@ impl<T: Item> ItemHandle for Entity<T> {
         self.update(cx, |this, cx| this.deactivated(window, cx));
     }
 
+    fn on_removed(&self, cx: &App) {
+        self.read(cx).on_removed(cx);
+    }
+
     fn workspace_deactivated(&self, window: &mut Window, cx: &mut App) {
         self.update(cx, |this, cx| this.workspace_deactivated(window, cx));
     }
@@ -1144,6 +1163,22 @@ pub trait ProjectItem: Item {
     ) -> Self
     where
         Self: Sized;
+
+    /// A fallback handler, which will be called after [`project::ProjectItem::try_open`] fails,
+    /// with the error from that failure as an argument.
+    /// Allows to open an item that can gracefully display and handle errors.
+    fn for_broken_project_item(
+        _abs_path: &Path,
+        _is_local: bool,
+        _e: &anyhow::Error,
+        _window: &mut Window,
+        _cx: &mut App,
+    ) -> Option<InvalidBufferView>
+    where
+        Self: Sized,
+    {
+        None
+    }
 }
 
 #[derive(Debug)]
diff --git a/crates/workspace/src/modal_layer.rs b/crates/workspace/src/modal_layer.rs
index 7e92c7b8e9..bcd7db3a82 100644
--- a/crates/workspace/src/modal_layer.rs
+++ b/crates/workspace/src/modal_layer.rs
@@ -141,10 +141,10 @@ impl ModalLayer {
         }
 
         if let Some(active_modal) = self.active_modal.take() {
-            if let Some(previous_focus) = active_modal.previous_focus_handle {
-                if active_modal.focus_handle.contains_focused(window, cx) {
-                    previous_focus.focus(window);
-                }
+            if let Some(previous_focus) = active_modal.previous_focus_handle
+                && active_modal.focus_handle.contains_focused(window, cx)
+            {
+                previous_focus.focus(window);
             }
             cx.notify();
         }
diff --git a/crates/workspace/src/notifications.rs b/crates/workspace/src/notifications.rs
index 96966435e1..039aec5199 100644
--- a/crates/workspace/src/notifications.rs
+++ b/crates/workspace/src/notifications.rs
@@ -6,6 +6,7 @@ use gpui::{
     Task, svg,
 };
 use parking_lot::Mutex;
+
 use std::ops::Deref;
 use std::sync::{Arc, LazyLock};
 use std::{any::TypeId, time::Duration};
@@ -189,6 +190,7 @@ impl Workspace {
         cx.notify();
     }
 
+    /// Hide all notifications matching the given ID
     pub fn suppress_notification(&mut self, id: &NotificationId, cx: &mut Context<Self>) {
         self.dismiss_notification(id, cx);
         self.suppressed_notifications.insert(id.clone());
@@ -344,7 +346,7 @@ impl Render for LanguageServerPrompt {
                     )
                     .child(Label::new(request.message.to_string()).size(LabelSize::Small))
                     .children(request.actions.iter().enumerate().map(|(ix, action)| {
-                        let this_handle = cx.entity().clone();
+                        let this_handle = cx.entity();
                         Button::new(ix, action.title.clone())
                             .size(ButtonSize::Large)
                             .on_click(move |_, window, cx| {
@@ -462,16 +464,144 @@ impl EventEmitter<SuppressEvent> for ErrorMessagePrompt {}
 
 impl Notification for ErrorMessagePrompt {}
 
+#[derive(IntoElement, RegisterComponent)]
+pub struct NotificationFrame {
+    title: Option<SharedString>,
+    show_suppress_button: bool,
+    show_close_button: bool,
+    close: Option<Box<dyn Fn(&bool, &mut Window, &mut App) + 'static>>,
+    contents: Option<AnyElement>,
+    suffix: Option<AnyElement>,
+}
+
+impl NotificationFrame {
+    pub fn new() -> Self {
+        Self {
+            title: None,
+            contents: None,
+            suffix: None,
+            show_suppress_button: true,
+            show_close_button: true,
+            close: None,
+        }
+    }
+
+    pub fn with_title(mut self, title: Option<impl Into<SharedString>>) -> Self {
+        self.title = title.map(Into::into);
+        self
+    }
+
+    pub fn with_content(self, content: impl IntoElement) -> Self {
+        Self {
+            contents: Some(content.into_any_element()),
+            ..self
+        }
+    }
+
+    /// Determines whether the given notification ID should be suppressible
+    /// Suppressed motifications will not be shown anymore
+    pub fn show_suppress_button(mut self, show: bool) -> Self {
+        self.show_suppress_button = show;
+        self
+    }
+
+    pub fn show_close_button(mut self, show: bool) -> Self {
+        self.show_close_button = show;
+        self
+    }
+
+    pub fn on_close(self, on_close: impl Fn(&bool, &mut Window, &mut App) + 'static) -> Self {
+        Self {
+            close: Some(Box::new(on_close)),
+            ..self
+        }
+    }
+
+    pub fn with_suffix(mut self, suffix: impl IntoElement) -> Self {
+        self.suffix = Some(suffix.into_any_element());
+        self
+    }
+}
+
+impl RenderOnce for NotificationFrame {
+    fn render(mut self, window: &mut Window, cx: &mut App) -> impl IntoElement {
+        let entity = window.current_view();
+        let show_suppress_button = self.show_suppress_button;
+        let suppress = show_suppress_button && window.modifiers().shift;
+        let (close_id, close_icon) = if suppress {
+            ("suppress", IconName::Minimize)
+        } else {
+            ("close", IconName::Close)
+        };
+
+        v_flex()
+            .occlude()
+            .p_3()
+            .gap_2()
+            .elevation_3(cx)
+            .child(
+                h_flex()
+                    .gap_4()
+                    .justify_between()
+                    .items_start()
+                    .child(
+                        v_flex()
+                            .gap_0p5()
+                            .when_some(self.title.clone(), |div, title| {
+                                div.child(Label::new(title))
+                            })
+                            .child(div().max_w_96().children(self.contents)),
+                    )
+                    .when(self.show_close_button, |this| {
+                        this.on_modifiers_changed(move |_, _, cx| cx.notify(entity))
+                            .child(
+                                IconButton::new(close_id, close_icon)
+                                    .tooltip(move |window, cx| {
+                                        if suppress {
+                                            Tooltip::for_action(
+                                                "Suppress.\nClose with click.",
+                                                &SuppressNotification,
+                                                window,
+                                                cx,
+                                            )
+                                        } else if show_suppress_button {
+                                            Tooltip::for_action(
+                                                "Close.\nSuppress with shift-click.",
+                                                &menu::Cancel,
+                                                window,
+                                                cx,
+                                            )
+                                        } else {
+                                            Tooltip::for_action("Close", &menu::Cancel, window, cx)
+                                        }
+                                    })
+                                    .on_click({
+                                        let close = self.close.take();
+                                        move |_, window, cx| {
+                                            if let Some(close) = &close {
+                                                close(&suppress, window, cx)
+                                            }
+                                        }
+                                    }),
+                            )
+                    }),
+            )
+            .children(self.suffix)
+    }
+}
+
+impl Component for NotificationFrame {}
+
 pub mod simple_message_notification {
     use std::sync::Arc;
 
     use gpui::{
-        AnyElement, ClickEvent, DismissEvent, EventEmitter, FocusHandle, Focusable, ParentElement,
-        Render, SharedString, Styled, div,
+        AnyElement, DismissEvent, EventEmitter, FocusHandle, Focusable, ParentElement, Render,
+        SharedString, Styled,
     };
-    use ui::{Tooltip, prelude::*};
+    use ui::prelude::*;
 
-    use crate::SuppressNotification;
+    use crate::notifications::NotificationFrame;
 
     use super::{Notification, SuppressEvent};
 
@@ -631,6 +761,8 @@ pub mod simple_message_notification {
             self
         }
 
+        /// Determines whether the given notification ID should be supressable
+        /// Suppressed motifications will not be shown anymor
         pub fn show_suppress_button(mut self, show: bool) -> Self {
             self.show_suppress_button = show;
             self
@@ -647,71 +779,19 @@ pub mod simple_message_notification {
 
     impl Render for MessageNotification {
         fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-            let show_suppress_button = self.show_suppress_button;
-            let suppress = show_suppress_button && window.modifiers().shift;
-            let (close_id, close_icon) = if suppress {
-                ("suppress", IconName::Minimize)
-            } else {
-                ("close", IconName::Close)
-            };
-
-            v_flex()
-                .occlude()
-                .p_3()
-                .gap_2()
-                .elevation_3(cx)
-                .child(
-                    h_flex()
-                        .gap_4()
-                        .justify_between()
-                        .items_start()
-                        .child(
-                            v_flex()
-                                .gap_0p5()
-                                .when_some(self.title.clone(), |element, title| {
-                                    element.child(Label::new(title))
-                                })
-                                .child(div().max_w_96().child((self.build_content)(window, cx))),
-                        )
-                        .when(self.show_close_button, |this| {
-                            this.on_modifiers_changed(cx.listener(|_, _, _, cx| cx.notify()))
-                                .child(
-                                    IconButton::new(close_id, close_icon)
-                                        .tooltip(move |window, cx| {
-                                            if suppress {
-                                                Tooltip::for_action(
-                                                    "Suppress.\nClose with click.",
-                                                    &SuppressNotification,
-                                                    window,
-                                                    cx,
-                                                )
-                                            } else if show_suppress_button {
-                                                Tooltip::for_action(
-                                                    "Close.\nSuppress with shift-click.",
-                                                    &menu::Cancel,
-                                                    window,
-                                                    cx,
-                                                )
-                                            } else {
-                                                Tooltip::for_action(
-                                                    "Close",
-                                                    &menu::Cancel,
-                                                    window,
-                                                    cx,
-                                                )
-                                            }
-                                        })
-                                        .on_click(cx.listener(move |_, _: &ClickEvent, _, cx| {
-                                            if suppress {
-                                                cx.emit(SuppressEvent);
-                                            } else {
-                                                cx.emit(DismissEvent);
-                                            }
-                                        })),
-                                )
-                        }),
-                )
-                .child(
+            NotificationFrame::new()
+                .with_title(self.title.clone())
+                .with_content((self.build_content)(window, cx))
+                .show_close_button(self.show_close_button)
+                .show_suppress_button(self.show_suppress_button)
+                .on_close(cx.listener(|_, suppress, _, cx| {
+                    if *suppress {
+                        cx.emit(SuppressEvent);
+                    } else {
+                        cx.emit(DismissEvent);
+                    }
+                }))
+                .with_suffix(
                     h_flex()
                         .gap_1()
                         .children(self.primary_message.iter().map(|message| {
@@ -932,7 +1012,6 @@ where
                 let message: SharedString = format!("Error: {err}").into();
                 log::error!("Showing error notification in app: {message}");
                 show_app_notification(workspace_error_notification_id(), cx, {
-                    let message = message.clone();
                     move |cx| {
                         cx.new({
                             let message = message.clone();
@@ -958,7 +1037,7 @@ where
 {
     fn detach_and_notify_err(self, window: &mut Window, cx: &mut App) {
         window
-            .spawn(cx, async move |mut cx| self.await.notify_async_err(&mut cx))
+            .spawn(cx, async move |cx| self.await.notify_async_err(cx))
             .detach();
     }
 }
diff --git a/crates/workspace/src/pane.rs b/crates/workspace/src/pane.rs
index c7a2562a1b..fe8014d9f7 100644
--- a/crates/workspace/src/pane.rs
+++ b/crates/workspace/src/pane.rs
@@ -2,6 +2,7 @@ use crate::{
     CloseWindow, NewFile, NewTerminal, OpenInTerminal, OpenOptions, OpenTerminal, OpenVisible,
     SplitDirection, ToggleFileFinder, ToggleProjectSymbols, ToggleZoom, Workspace,
     WorkspaceItemBuilder,
+    invalid_buffer_view::InvalidBufferView,
     item::{
         ActivateOnClose, ClosePosition, Item, ItemHandle, ItemSettings, PreviewTabsSettings,
         ProjectItemKind, SaveOptions, ShowCloseButton, ShowDiagnostics, TabContentParams,
@@ -62,7 +63,7 @@ pub struct SelectedEntry {
 #[derive(Debug)]
 pub struct DraggedSelection {
     pub active_selection: SelectedEntry,
-    pub marked_selections: Arc<BTreeSet<SelectedEntry>>,
+    pub marked_selections: Arc<[SelectedEntry]>,
 }
 
 impl DraggedSelection {
@@ -480,7 +481,7 @@ impl Pane {
                 forward_stack: Default::default(),
                 closed_stack: Default::default(),
                 paths_by_item: Default::default(),
-                pane: handle.clone(),
+                pane: handle,
                 next_timestamp,
             }))),
             toolbar: cx.new(|_| Toolbar::new()),
@@ -513,7 +514,7 @@ impl Pane {
         }
     }
 
-    fn alternate_file(&mut self, window: &mut Window, cx: &mut Context<Pane>) {
+    fn alternate_file(&mut self, _: &AlternateFile, window: &mut Window, cx: &mut Context<Pane>) {
         let (_, alternative) = &self.alternate_file_items;
         if let Some(alternative) = alternative {
             let existing = self
@@ -552,9 +553,9 @@ impl Pane {
         // to the item, and `focus_handle.contains_focus` returns false because the `active_item`
         // is not hooked up to us in the dispatch tree.
         self.focus_handle.contains_focused(window, cx)
-            || self.active_item().map_or(false, |item| {
-                item.item_focus_handle(cx).contains_focused(window, cx)
-            })
+            || self
+                .active_item()
+                .is_some_and(|item| item.item_focus_handle(cx).contains_focused(window, cx))
     }
 
     fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
@@ -580,19 +581,18 @@ impl Pane {
                 // or focus the active item itself
                 if let Some(weak_last_focus_handle) =
                     self.last_focus_handle_by_item.get(&active_item.item_id())
+                    && let Some(focus_handle) = weak_last_focus_handle.upgrade()
                 {
-                    if let Some(focus_handle) = weak_last_focus_handle.upgrade() {
-                        focus_handle.focus(window);
-                        return;
-                    }
+                    focus_handle.focus(window);
+                    return;
                 }
 
                 active_item.item_focus_handle(cx).focus(window);
-            } else if let Some(focused) = window.focused(cx) {
-                if !self.context_menu_focused(window, cx) {
-                    self.last_focus_handle_by_item
-                        .insert(active_item.item_id(), focused.downgrade());
-                }
+            } else if let Some(focused) = window.focused(cx)
+                && !self.context_menu_focused(window, cx)
+            {
+                self.last_focus_handle_by_item
+                    .insert(active_item.item_id(), focused.downgrade());
             }
         }
     }
@@ -788,7 +788,7 @@ impl Pane {
         !self.nav_history.0.lock().forward_stack.is_empty()
     }
 
-    pub fn navigate_backward(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+    pub fn navigate_backward(&mut self, _: &GoBack, window: &mut Window, cx: &mut Context<Self>) {
         if let Some(workspace) = self.workspace.upgrade() {
             let pane = cx.entity().downgrade();
             window.defer(cx, move |window, cx| {
@@ -799,7 +799,7 @@ impl Pane {
         }
     }
 
-    fn navigate_forward(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+    fn navigate_forward(&mut self, _: &GoForward, window: &mut Window, cx: &mut Context<Self>) {
         if let Some(workspace) = self.workspace.upgrade() {
             let pane = cx.entity().downgrade();
             window.defer(cx, move |window, cx| {
@@ -858,10 +858,11 @@ impl Pane {
     }
 
     pub fn handle_item_edit(&mut self, item_id: EntityId, cx: &App) {
-        if let Some(preview_item) = self.preview_item() {
-            if preview_item.item_id() == item_id && !preview_item.preserve_preview(cx) {
-                self.set_preview_item_id(None, cx);
-            }
+        if let Some(preview_item) = self.preview_item()
+            && preview_item.item_id() == item_id
+            && !preview_item.preserve_preview(cx)
+        {
+            self.set_preview_item_id(None, cx);
         }
     }
 
@@ -897,19 +898,43 @@ impl Pane {
                 }
             }
         }
-        if let Some((index, existing_item)) = existing_item {
-            // If the item is already open, and the item is a preview item
-            // and we are not allowing items to open as preview, mark the item as persistent.
-            if let Some(preview_item_id) = self.preview_item_id {
-                if let Some(tab) = self.items.get(index) {
-                    if tab.item_id() == preview_item_id && !allow_preview {
-                        self.set_preview_item_id(None, cx);
-                    }
+
+        let set_up_existing_item =
+            |index: usize, pane: &mut Self, window: &mut Window, cx: &mut Context<Self>| {
+                // If the item is already open, and the item is a preview item
+                // and we are not allowing items to open as preview, mark the item as persistent.
+                if let Some(preview_item_id) = pane.preview_item_id
+                    && let Some(tab) = pane.items.get(index)
+                    && tab.item_id() == preview_item_id
+                    && !allow_preview
+                {
+                    pane.set_preview_item_id(None, cx);
                 }
+                if activate {
+                    pane.activate_item(index, focus_item, focus_item, window, cx);
+                }
+            };
+        let set_up_new_item = |new_item: Box<dyn ItemHandle>,
+                               destination_index: Option<usize>,
+                               pane: &mut Self,
+                               window: &mut Window,
+                               cx: &mut Context<Self>| {
+            if allow_preview {
+                pane.set_preview_item_id(Some(new_item.item_id()), cx);
             }
-            if activate {
-                self.activate_item(index, focus_item, focus_item, window, cx);
-            }
+            pane.add_item_inner(
+                new_item,
+                true,
+                focus_item,
+                activate,
+                destination_index,
+                window,
+                cx,
+            );
+        };
+
+        if let Some((index, existing_item)) = existing_item {
+            set_up_existing_item(index, self, window, cx);
             existing_item
         } else {
             // If the item is being opened as preview and we have an existing preview tab,
@@ -921,21 +946,46 @@ impl Pane {
             };
 
             let new_item = build_item(self, window, cx);
+            // A special case that won't ever get a `project_entry_id` but has to be deduplicated nonetheless.
+            if let Some(invalid_buffer_view) = new_item.downcast::<InvalidBufferView>() {
+                let mut already_open_view = None;
+                let mut views_to_close = HashSet::default();
+                for existing_error_view in self
+                    .items_of_type::<InvalidBufferView>()
+                    .filter(|item| item.read(cx).abs_path == invalid_buffer_view.read(cx).abs_path)
+                {
+                    if already_open_view.is_none()
+                        && existing_error_view.read(cx).error == invalid_buffer_view.read(cx).error
+                    {
+                        already_open_view = Some(existing_error_view);
+                    } else {
+                        views_to_close.insert(existing_error_view.item_id());
+                    }
+                }
 
-            if allow_preview {
-                self.set_preview_item_id(Some(new_item.item_id()), cx);
+                let resulting_item = match already_open_view {
+                    Some(already_open_view) => {
+                        if let Some(index) = self.index_for_item_id(already_open_view.item_id()) {
+                            set_up_existing_item(index, self, window, cx);
+                        }
+                        Box::new(already_open_view) as Box<_>
+                    }
+                    None => {
+                        set_up_new_item(new_item.clone(), destination_index, self, window, cx);
+                        new_item
+                    }
+                };
+
+                self.close_items(window, cx, SaveIntent::Skip, |existing_item| {
+                    views_to_close.contains(&existing_item)
+                })
+                .detach();
+
+                resulting_item
+            } else {
+                set_up_new_item(new_item.clone(), destination_index, self, window, cx);
+                new_item
             }
-            self.add_item_inner(
-                new_item.clone(),
-                true,
-                focus_item,
-                activate,
-                destination_index,
-                window,
-                cx,
-            );
-
-            new_item
         }
     }
 
@@ -977,21 +1027,21 @@ impl Pane {
             self.close_items_on_item_open(window, cx);
         }
 
-        if item.is_singleton(cx) {
-            if let Some(&entry_id) = item.project_entry_ids(cx).first() {
-                let Some(project) = self.project.upgrade() else {
-                    return;
-                };
+        if item.is_singleton(cx)
+            && let Some(&entry_id) = item.project_entry_ids(cx).first()
+        {
+            let Some(project) = self.project.upgrade() else {
+                return;
+            };
 
-                let project = project.read(cx);
-                if let Some(project_path) = project.path_for_entry(entry_id, cx) {
-                    let abs_path = project.absolute_path(&project_path, cx);
-                    self.nav_history
-                        .0
-                        .lock()
-                        .paths_by_item
-                        .insert(item.item_id(), (project_path, abs_path));
-                }
+            let project = project.read(cx);
+            if let Some(project_path) = project.path_for_entry(entry_id, cx) {
+                let abs_path = project.absolute_path(&project_path, cx);
+                self.nav_history
+                    .0
+                    .lock()
+                    .paths_by_item
+                    .insert(item.item_id(), (project_path, abs_path));
             }
         }
         // If no destination index is specified, add or move the item after the
@@ -1021,7 +1071,7 @@ impl Pane {
                 existing_item
                     .project_entry_ids(cx)
                     .first()
-                    .map_or(false, |existing_entry_id| {
+                    .is_some_and(|existing_entry_id| {
                         Some(existing_entry_id) == project_entry_id.as_ref()
                     })
             } else {
@@ -1192,12 +1242,11 @@ impl Pane {
         use NavigationMode::{GoingBack, GoingForward};
         if index < self.items.len() {
             let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
-            if prev_active_item_ix != self.active_item_index
-                || matches!(self.nav_history.mode(), GoingBack | GoingForward)
+            if (prev_active_item_ix != self.active_item_index
+                || matches!(self.nav_history.mode(), GoingBack | GoingForward))
+                && let Some(prev_item) = self.items.get(prev_active_item_ix)
             {
-                if let Some(prev_item) = self.items.get(prev_active_item_ix) {
-                    prev_item.deactivated(window, cx);
-                }
+                prev_item.deactivated(window, cx);
             }
             self.update_history(index);
             self.update_toolbar(window, cx);
@@ -1234,9 +1283,9 @@ impl Pane {
         }
     }
 
-    pub fn activate_prev_item(
+    pub fn activate_previous_item(
         &mut self,
-        activate_pane: bool,
+        _: &ActivatePreviousItem,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
@@ -1246,12 +1295,12 @@ impl Pane {
         } else if !self.items.is_empty() {
             index = self.items.len() - 1;
         }
-        self.activate_item(index, activate_pane, activate_pane, window, cx);
+        self.activate_item(index, true, true, window, cx);
     }
 
     pub fn activate_next_item(
         &mut self,
-        activate_pane: bool,
+        _: &ActivateNextItem,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
@@ -1261,10 +1310,15 @@ impl Pane {
         } else {
             index = 0;
         }
-        self.activate_item(index, activate_pane, activate_pane, window, cx);
+        self.activate_item(index, true, true, window, cx);
     }
 
-    pub fn swap_item_left(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+    pub fn swap_item_left(
+        &mut self,
+        _: &SwapItemLeft,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
         let index = self.active_item_index;
         if index == 0 {
             return;
@@ -1274,9 +1328,14 @@ impl Pane {
         self.activate_item(index - 1, true, true, window, cx);
     }
 
-    pub fn swap_item_right(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+    pub fn swap_item_right(
+        &mut self,
+        _: &SwapItemRight,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
         let index = self.active_item_index;
-        if index + 1 == self.items.len() {
+        if index + 1 >= self.items.len() {
             return;
         }
 
@@ -1284,6 +1343,16 @@ impl Pane {
         self.activate_item(index + 1, true, true, window, cx);
     }
 
+    pub fn activate_last_item(
+        &mut self,
+        _: &ActivateLastItem,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let index = self.items.len().saturating_sub(1);
+        self.activate_item(index, true, true, window, cx);
+    }
+
     pub fn close_active_item(
         &mut self,
         action: &CloseActiveItem,
@@ -1559,7 +1628,7 @@ impl Pane {
             let other_project_item_ids = open_item.project_item_model_ids(cx);
             dirty_project_item_ids.retain(|id| !other_project_item_ids.contains(id));
         }
-        return dirty_project_item_ids.is_empty();
+        dirty_project_item_ids.is_empty()
     }
 
     pub(super) fn file_names_for_prompt(
@@ -1627,8 +1696,7 @@ impl Pane {
                 items_to_close
                     .iter()
                     .filter(|item| {
-                        item.is_dirty(cx)
-                            && !Self::skip_save_on_close(item.as_ref(), &workspace, cx)
+                        item.is_dirty(cx) && !Self::skip_save_on_close(item.as_ref(), workspace, cx)
                     })
                     .map(|item| item.boxed_clone())
                     .collect::<Vec<_>>()
@@ -1657,17 +1725,40 @@ impl Pane {
                 let mut should_save = true;
                 if save_intent == SaveIntent::Close {
                     workspace.update(cx, |workspace, cx| {
-                        if Self::skip_save_on_close(item_to_close.as_ref(), &workspace, cx) {
+                        if Self::skip_save_on_close(item_to_close.as_ref(), workspace, cx) {
                             should_save = false;
                         }
                     })?;
                 }
 
                 if should_save {
-                    if !Self::save_item(project.clone(), &pane, &*item_to_close, save_intent, cx)
-                        .await?
+                    match Self::save_item(project.clone(), &pane, &*item_to_close, save_intent, cx)
+                        .await
                     {
-                        break;
+                        Ok(success) => {
+                            if !success {
+                                break;
+                            }
+                        }
+                        Err(err) => {
+                            let answer = pane.update_in(cx, |_, window, cx| {
+                                let detail = Self::file_names_for_prompt(
+                                    &mut [&item_to_close].into_iter(),
+                                    cx,
+                                );
+                                window.prompt(
+                                    PromptLevel::Warning,
+                                    &format!("Unable to save file: {}", &err),
+                                    Some(&detail),
+                                    &["Close Without Saving", "Cancel"],
+                                    cx,
+                                )
+                            })?;
+                            match answer.await {
+                                Ok(0) => {}
+                                Ok(1..) | Err(_) => break,
+                            }
+                        }
                     }
                 }
 
@@ -1806,6 +1897,7 @@ impl Pane {
         let mode = self.nav_history.mode();
         self.nav_history.set_mode(NavigationMode::ClosingItem);
         item.deactivated(window, cx);
+        item.on_removed(cx);
         self.nav_history.set_mode(mode);
 
         if self.is_active_preview_item(item.item_id()) {
@@ -2038,6 +2130,8 @@ impl Pane {
                 })?
                 .await?;
             } else if can_save_as && is_singleton {
+                let suggested_name =
+                    cx.update(|_window, cx| item.suggested_filename(cx).to_string())?;
                 let new_path = pane.update_in(cx, |pane, window, cx| {
                     pane.activate_item(item_ix, true, true, window, cx);
                     pane.workspace.update(cx, |workspace, cx| {
@@ -2049,7 +2143,7 @@ impl Pane {
                         } else {
                             DirectoryLister::Project(workspace.project().clone())
                         };
-                        workspace.prompt_for_new_path(lister, window, cx)
+                        workspace.prompt_for_new_path(lister, Some(suggested_name), window, cx)
                     })
                 })??;
                 let Some(new_path) = new_path.await.ok().flatten().into_iter().flatten().next()
@@ -2172,7 +2266,7 @@ impl Pane {
 
     fn update_status_bar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         let workspace = self.workspace.clone();
-        let pane = cx.entity().clone();
+        let pane = cx.entity();
 
         window.defer(cx, move |window, cx| {
             let Ok(status_bar) =
@@ -2253,7 +2347,7 @@ impl Pane {
         cx: &mut Context<Self>,
     ) {
         maybe!({
-            let pane = cx.entity().clone();
+            let pane = cx.entity();
 
             let destination_index = match operation {
                 PinOperation::Pin => self.pinned_tab_count.min(ix),
@@ -2437,25 +2531,37 @@ impl Pane {
             .on_mouse_down(
                 MouseButton::Left,
                 cx.listener(move |pane, event: &MouseDownEvent, _, cx| {
-                    if let Some(id) = pane.preview_item_id {
-                        if id == item_id && event.click_count > 1 {
-                            pane.set_preview_item_id(None, cx);
-                        }
+                    if let Some(id) = pane.preview_item_id
+                        && id == item_id
+                        && event.click_count > 1
+                    {
+                        pane.set_preview_item_id(None, cx);
                     }
                 }),
             )
             .on_drag(
                 DraggedTab {
                     item: item.boxed_clone(),
-                    pane: cx.entity().clone(),
+                    pane: cx.entity(),
                     detail,
                     is_active,
                     ix,
                 },
                 |tab, _, _, cx| cx.new(|_| tab.clone()),
             )
-            .drag_over::<DraggedTab>(|tab, _, _, cx| {
-                tab.bg(cx.theme().colors().drop_target_background)
+            .drag_over::<DraggedTab>(move |tab, dragged_tab: &DraggedTab, _, cx| {
+                let mut styled_tab = tab
+                    .bg(cx.theme().colors().drop_target_background)
+                    .border_color(cx.theme().colors().drop_target_border)
+                    .border_0();
+
+                if ix < dragged_tab.ix {
+                    styled_tab = styled_tab.border_l_2();
+                } else if ix > dragged_tab.ix {
+                    styled_tab = styled_tab.border_r_2();
+                }
+
+                styled_tab
             })
             .drag_over::<DraggedSelection>(|tab, _, _, cx| {
                 tab.bg(cx.theme().colors().drop_target_background)
@@ -2480,7 +2586,7 @@ impl Pane {
                 this.handle_external_paths_drop(paths, window, cx)
             }))
             .when_some(item.tab_tooltip_content(cx), |tab, content| match content {
-                TabTooltipContent::Text(text) => tab.tooltip(Tooltip::text(text.clone())),
+                TabTooltipContent::Text(text) => tab.tooltip(Tooltip::text(text)),
                 TabTooltipContent::Custom(element_fn) => {
                     tab.tooltip(move |window, cx| element_fn(window, cx))
                 }
@@ -2496,7 +2602,7 @@ impl Pane {
                         .shape(IconButtonShape::Square)
                         .icon_color(Color::Muted)
                         .size(ButtonSize::None)
-                        .icon_size(IconSize::XSmall)
+                        .icon_size(IconSize::Small)
                         .on_click(cx.listener(move |pane, _, window, cx| {
                             pane.unpin_tab_at(ix, window, cx);
                         }))
@@ -2516,7 +2622,7 @@ impl Pane {
                     .shape(IconButtonShape::Square)
                     .icon_color(Color::Muted)
                     .size(ButtonSize::None)
-                    .icon_size(IconSize::XSmall)
+                    .icon_size(IconSize::Small)
                     .on_click(cx.listener(move |pane, _, window, cx| {
                         pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
                             .detach_and_log_err(cx);
@@ -2547,10 +2653,8 @@ impl Pane {
                     .children(
                         std::iter::once(if let Some(decorated_icon) = decorated_icon {
                             Some(div().child(decorated_icon.into_any_element()))
-                        } else if let Some(icon) = icon {
-                            Some(div().child(icon.into_any_element()))
                         } else {
-                            None
+                            icon.map(|icon| div().child(icon.into_any_element()))
                         })
                         .flatten(),
                     )
@@ -2709,7 +2813,7 @@ impl Pane {
                                 worktree
                                     .read(cx)
                                     .root_entry()
-                                    .map_or(false, |entry| entry.is_dir())
+                                    .is_some_and(|entry| entry.is_dir())
                             });
 
                             let entry_abs_path = pane.read(cx).entry_abs_path(entry, cx);
@@ -2795,9 +2899,11 @@ impl Pane {
         let navigate_backward = IconButton::new("navigate_backward", IconName::ArrowLeft)
             .icon_size(IconSize::Small)
             .on_click({
-                let entity = cx.entity().clone();
+                let entity = cx.entity();
                 move |_, window, cx| {
-                    entity.update(cx, |pane, cx| pane.navigate_backward(window, cx))
+                    entity.update(cx, |pane, cx| {
+                        pane.navigate_backward(&Default::default(), window, cx)
+                    })
                 }
             })
             .disabled(!self.can_navigate_backward())
@@ -2811,8 +2917,12 @@ impl Pane {
         let navigate_forward = IconButton::new("navigate_forward", IconName::ArrowRight)
             .icon_size(IconSize::Small)
             .on_click({
-                let entity = cx.entity().clone();
-                move |_, window, cx| entity.update(cx, |pane, cx| pane.navigate_forward(window, cx))
+                let entity = cx.entity();
+                move |_, window, cx| {
+                    entity.update(cx, |pane, cx| {
+                        pane.navigate_forward(&Default::default(), window, cx)
+                    })
+                }
             })
             .disabled(!self.can_navigate_forward())
             .tooltip({
@@ -2832,7 +2942,7 @@ impl Pane {
             })
             .collect::<Vec<_>>();
         let tab_count = tab_items.len();
-        if self.pinned_tab_count > tab_count {
+        if self.is_tab_pinned(tab_count) {
             log::warn!(
                 "Pinned tab count ({}) exceeds actual tab count ({}). \
                 This should not happen. If possible, add reproduction steps, \
@@ -2922,7 +3032,7 @@ impl Pane {
                                 this.handle_external_paths_drop(paths, window, cx)
                             }))
                             .on_click(cx.listener(move |this, event: &ClickEvent, window, cx| {
-                                if event.up.click_count == 2 {
+                                if event.click_count() == 2 {
                                     window.dispatch_action(
                                         this.double_click_dispatch_action.boxed_clone(),
                                         cx,
@@ -3012,25 +3122,25 @@ impl Pane {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
-            if let ControlFlow::Break(()) = custom_drop_handle(self, dragged_tab, window, cx) {
-                return;
-            }
+        if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
+            && let ControlFlow::Break(()) = custom_drop_handle(self, dragged_tab, window, cx)
+        {
+            return;
         }
-        let mut to_pane = cx.entity().clone();
+        let mut to_pane = cx.entity();
         let split_direction = self.drag_split_direction;
         let item_id = dragged_tab.item.item_id();
-        if let Some(preview_item_id) = self.preview_item_id {
-            if item_id == preview_item_id {
-                self.set_preview_item_id(None, cx);
-            }
+        if let Some(preview_item_id) = self.preview_item_id
+            && item_id == preview_item_id
+        {
+            self.set_preview_item_id(None, cx);
         }
 
         let is_clone = cfg!(target_os = "macos") && window.modifiers().alt
             || cfg!(not(target_os = "macos")) && window.modifiers().control;
 
         let from_pane = dragged_tab.pane.clone();
-        let from_ix = dragged_tab.ix;
+
         self.workspace
             .update(cx, |_, cx| {
                 cx.defer_in(window, move |workspace, window, cx| {
@@ -3048,7 +3158,7 @@ impl Pane {
                             .read(cx)
                             .items()
                             .find(|item| item.item_id() == item_id)
-                            .map(|item| item.clone())
+                            .cloned()
                         else {
                             return;
                         };
@@ -3062,9 +3172,13 @@ impl Pane {
                     }
                     to_pane.update(cx, |this, _| {
                         if to_pane == from_pane {
-                            let moved_right = ix > from_ix;
-                            let ix = if moved_right { ix - 1 } else { ix };
-                            let is_pinned_in_to_pane = this.is_tab_pinned(ix);
+                            let actual_ix = this
+                                .items
+                                .iter()
+                                .position(|item| item.item_id() == item_id)
+                                .unwrap_or(0);
+
+                            let is_pinned_in_to_pane = this.is_tab_pinned(actual_ix);
 
                             if !was_pinned_in_from_pane && is_pinned_in_to_pane {
                                 this.pinned_tab_count += 1;
@@ -3096,11 +3210,10 @@ impl Pane {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
-            if let ControlFlow::Break(()) = custom_drop_handle(self, dragged_selection, window, cx)
-            {
-                return;
-            }
+        if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
+            && let ControlFlow::Break(()) = custom_drop_handle(self, dragged_selection, window, cx)
+        {
+            return;
         }
         self.handle_project_entry_drop(
             &dragged_selection.active_selection.entry_id,
@@ -3117,12 +3230,12 @@ impl Pane {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
-            if let ControlFlow::Break(()) = custom_drop_handle(self, project_entry_id, window, cx) {
-                return;
-            }
+        if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
+            && let ControlFlow::Break(()) = custom_drop_handle(self, project_entry_id, window, cx)
+        {
+            return;
         }
-        let mut to_pane = cx.entity().clone();
+        let mut to_pane = cx.entity();
         let split_direction = self.drag_split_direction;
         let project_entry_id = *project_entry_id;
         self.workspace
@@ -3171,8 +3284,7 @@ impl Pane {
                                             return;
                                         };
 
-                                        if target.map_or(false, |target| this.is_tab_pinned(target))
-                                        {
+                                        if target.is_some_and(|target| this.is_tab_pinned(target)) {
                                             this.pin_tab_at(index, window, cx);
                                         }
                                     })
@@ -3193,12 +3305,12 @@ impl Pane {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
-            if let ControlFlow::Break(()) = custom_drop_handle(self, paths, window, cx) {
-                return;
-            }
+        if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
+            && let ControlFlow::Break(()) = custom_drop_handle(self, paths, window, cx)
+        {
+            return;
         }
-        let mut to_pane = cx.entity().clone();
+        let mut to_pane = cx.entity();
         let mut split_direction = self.drag_split_direction;
         let paths = paths.paths().to_vec();
         let is_remote = self
@@ -3442,9 +3554,6 @@ impl Render for Pane {
             .size_full()
             .flex_none()
             .overflow_hidden()
-            .on_action(cx.listener(|pane, _: &AlternateFile, window, cx| {
-                pane.alternate_file(window, cx);
-            }))
             .on_action(
                 cx.listener(|pane, _: &SplitLeft, _, cx| pane.split(SplitDirection::Left, cx)),
             )
@@ -3461,12 +3570,6 @@ impl Render for Pane {
             .on_action(
                 cx.listener(|pane, _: &SplitDown, _, cx| pane.split(SplitDirection::Down, cx)),
             )
-            .on_action(
-                cx.listener(|pane, _: &GoBack, window, cx| pane.navigate_backward(window, cx)),
-            )
-            .on_action(
-                cx.listener(|pane, _: &GoForward, window, cx| pane.navigate_forward(window, cx)),
-            )
             .on_action(cx.listener(|_, _: &JoinIntoNext, _, cx| {
                 cx.emit(Event::JoinIntoNext);
             }))
@@ -3474,6 +3577,8 @@ impl Render for Pane {
                 cx.emit(Event::JoinAll);
             }))
             .on_action(cx.listener(Pane::toggle_zoom))
+            .on_action(cx.listener(Self::navigate_backward))
+            .on_action(cx.listener(Self::navigate_forward))
             .on_action(
                 cx.listener(|pane: &mut Pane, action: &ActivateItem, window, cx| {
                     pane.activate_item(
@@ -3485,33 +3590,14 @@ impl Render for Pane {
                     );
                 }),
             )
-            .on_action(
-                cx.listener(|pane: &mut Pane, _: &ActivateLastItem, window, cx| {
-                    pane.activate_item(pane.items.len().saturating_sub(1), true, true, window, cx);
-                }),
-            )
-            .on_action(
-                cx.listener(|pane: &mut Pane, _: &ActivatePreviousItem, window, cx| {
-                    pane.activate_prev_item(true, window, cx);
-                }),
-            )
-            .on_action(
-                cx.listener(|pane: &mut Pane, _: &ActivateNextItem, window, cx| {
-                    pane.activate_next_item(true, window, cx);
-                }),
-            )
-            .on_action(
-                cx.listener(|pane, _: &SwapItemLeft, window, cx| pane.swap_item_left(window, cx)),
-            )
-            .on_action(
-                cx.listener(|pane, _: &SwapItemRight, window, cx| pane.swap_item_right(window, cx)),
-            )
-            .on_action(cx.listener(|pane, action, window, cx| {
-                pane.toggle_pin_tab(action, window, cx);
-            }))
-            .on_action(cx.listener(|pane, action, window, cx| {
-                pane.unpin_all_tabs(action, window, cx);
-            }))
+            .on_action(cx.listener(Self::alternate_file))
+            .on_action(cx.listener(Self::activate_last_item))
+            .on_action(cx.listener(Self::activate_previous_item))
+            .on_action(cx.listener(Self::activate_next_item))
+            .on_action(cx.listener(Self::swap_item_left))
+            .on_action(cx.listener(Self::swap_item_right))
+            .on_action(cx.listener(Self::toggle_pin_tab))
+            .on_action(cx.listener(Self::unpin_all_tabs))
             .when(PreviewTabsSettings::get_global(cx).enabled, |this| {
                 this.on_action(cx.listener(|pane: &mut Pane, _: &TogglePreviewTab, _, cx| {
                     if let Some(active_item_id) = pane.active_item().map(|i| i.item_id()) {
@@ -3576,7 +3662,6 @@ impl Render for Pane {
             )
             .on_action(cx.listener(|_, _: &menu::Cancel, window, cx| {
                 if cx.stop_active_drag(window) {
-                    return;
                 } else {
                     cx.propagate();
                 }
@@ -3613,7 +3698,7 @@ impl Render for Pane {
                                 .justify_center()
                                 .on_click(cx.listener(
                                     move |this, event: &ClickEvent, window, cx| {
-                                        if event.up.click_count == 2 {
+                                        if event.click_count() == 2 {
                                             window.dispatch_action(
                                                 this.double_click_dispatch_action.boxed_clone(),
                                                 cx,
@@ -3750,10 +3835,10 @@ impl NavHistory {
                     borrowed_history.paths_by_item.get(&entry.item.id())
                 {
                     f(entry, project_and_abs_path.clone());
-                } else if let Some(item) = entry.item.upgrade() {
-                    if let Some(path) = item.project_path(cx) {
-                        f(entry, (path, None));
-                    }
+                } else if let Some(item) = entry.item.upgrade()
+                    && let Some(path) = item.project_path(cx)
+                {
+                    f(entry, (path, None));
                 }
             })
     }
@@ -4950,6 +5035,43 @@ mod tests {
         assert_item_labels(&pane_a, ["B!", "A*!"], cx);
     }
 
+    #[gpui::test]
+    async fn test_dragging_pinned_tab_onto_unpinned_tab_reduces_unpinned_tab_count(
+        cx: &mut TestAppContext,
+    ) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.executor());
+
+        let project = Project::test(fs, None, cx).await;
+        let (workspace, cx) =
+            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
+        let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
+
+        // Add A, B to pane A and pin A
+        let item_a = add_labeled_item(&pane_a, "A", false, cx);
+        add_labeled_item(&pane_a, "B", false, cx);
+        pane_a.update_in(cx, |pane, window, cx| {
+            let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
+            pane.pin_tab_at(ix, window, cx);
+        });
+        assert_item_labels(&pane_a, ["A!", "B*"], cx);
+
+        // Drag pinned A on top of B in the same pane, which changes tab order to B, A
+        pane_a.update_in(cx, |pane, window, cx| {
+            let dragged_tab = DraggedTab {
+                pane: pane_a.clone(),
+                item: item_a.boxed_clone(),
+                ix: 0,
+                detail: 0,
+                is_active: true,
+            };
+            pane.handle_tab_drop(&dragged_tab, 1, window, cx);
+        });
+
+        // Neither are pinned
+        assert_item_labels(&pane_a, ["B", "A*"], cx);
+    }
+
     #[gpui::test]
     async fn test_drag_pinned_tab_beyond_unpinned_tab_in_same_pane_becomes_unpinned(
         cx: &mut TestAppContext,
@@ -6330,6 +6452,57 @@ mod tests {
         .unwrap();
     }
 
+    #[gpui::test]
+    async fn test_item_swapping_actions(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.executor());
+        let project = Project::test(fs, None, cx).await;
+        let (workspace, cx) =
+            cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
+
+        let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
+        assert_item_labels(&pane, [], cx);
+
+        // Test that these actions do not panic
+        pane.update_in(cx, |pane, window, cx| {
+            pane.swap_item_right(&Default::default(), window, cx);
+        });
+
+        pane.update_in(cx, |pane, window, cx| {
+            pane.swap_item_left(&Default::default(), window, cx);
+        });
+
+        add_labeled_item(&pane, "A", false, cx);
+        add_labeled_item(&pane, "B", false, cx);
+        add_labeled_item(&pane, "C", false, cx);
+        assert_item_labels(&pane, ["A", "B", "C*"], cx);
+
+        pane.update_in(cx, |pane, window, cx| {
+            pane.swap_item_right(&Default::default(), window, cx);
+        });
+        assert_item_labels(&pane, ["A", "B", "C*"], cx);
+
+        pane.update_in(cx, |pane, window, cx| {
+            pane.swap_item_left(&Default::default(), window, cx);
+        });
+        assert_item_labels(&pane, ["A", "C*", "B"], cx);
+
+        pane.update_in(cx, |pane, window, cx| {
+            pane.swap_item_left(&Default::default(), window, cx);
+        });
+        assert_item_labels(&pane, ["C*", "A", "B"], cx);
+
+        pane.update_in(cx, |pane, window, cx| {
+            pane.swap_item_left(&Default::default(), window, cx);
+        });
+        assert_item_labels(&pane, ["C*", "A", "B"], cx);
+
+        pane.update_in(cx, |pane, window, cx| {
+            pane.swap_item_right(&Default::default(), window, cx);
+        });
+        assert_item_labels(&pane, ["A", "C*", "B"], cx);
+    }
+
     fn init_test(cx: &mut TestAppContext) {
         cx.update(|cx| {
             let settings_store = SettingsStore::test(cx);
diff --git a/crates/workspace/src/pane_group.rs b/crates/workspace/src/pane_group.rs
index 5c87206e9e..9c2d09fd26 100644
--- a/crates/workspace/src/pane_group.rs
+++ b/crates/workspace/src/pane_group.rs
@@ -619,15 +619,15 @@ impl PaneAxis {
         let mut found_axis_index: Option<usize> = None;
         if !found_pane {
             for (i, pa) in self.members.iter_mut().enumerate() {
-                if let Member::Axis(pa) = pa {
-                    if let Some(done) = pa.resize(pane, axis, amount, bounds) {
-                        if done {
-                            return Some(true); // pane found and operations already done
-                        } else if self.axis != axis {
-                            return Some(false); // pane found but this is not the correct axis direction
-                        } else {
-                            found_axis_index = Some(i); // pane found and this is correct direction
-                        }
+                if let Member::Axis(pa) = pa
+                    && let Some(done) = pa.resize(pane, axis, amount, bounds)
+                {
+                    if done {
+                        return Some(true); // pane found and operations already done
+                    } else if self.axis != axis {
+                        return Some(false); // pane found but this is not the correct axis direction
+                    } else {
+                        found_axis_index = Some(i); // pane found and this is correct direction
                     }
                 }
             }
@@ -743,13 +743,13 @@ impl PaneAxis {
         let bounding_boxes = self.bounding_boxes.lock();
 
         for (idx, member) in self.members.iter().enumerate() {
-            if let Some(coordinates) = bounding_boxes[idx] {
-                if coordinates.contains(&coordinate) {
-                    return match member {
-                        Member::Pane(found) => Some(found),
-                        Member::Axis(axis) => axis.pane_at_pixel_position(coordinate),
-                    };
-                }
+            if let Some(coordinates) = bounding_boxes[idx]
+                && coordinates.contains(&coordinate)
+            {
+                return match member {
+                    Member::Pane(found) => Some(found),
+                    Member::Axis(axis) => axis.pane_at_pixel_position(coordinate),
+                };
             }
         }
         None
@@ -1175,7 +1175,7 @@ mod element {
             bounding_boxes.clear();
 
             let mut layout = PaneAxisLayout {
-                dragged_handle: dragged_handle.clone(),
+                dragged_handle,
                 children: Vec::new(),
             };
             for (ix, mut child) in mem::take(&mut self.children).into_iter().enumerate() {
@@ -1273,17 +1273,18 @@ mod element {
                         window.paint_quad(gpui::fill(overlay_bounds, overlay_background));
                     }
 
-                    if let Some(border) = overlay_border {
-                        if self.active_pane_ix == Some(ix) && child.is_leaf_pane {
-                            window.paint_quad(gpui::quad(
-                                overlay_bounds,
-                                0.,
-                                gpui::transparent_black(),
-                                border,
-                                cx.theme().colors().border_selected,
-                                BorderStyle::Solid,
-                            ));
-                        }
+                    if let Some(border) = overlay_border
+                        && self.active_pane_ix == Some(ix)
+                        && child.is_leaf_pane
+                    {
+                        window.paint_quad(gpui::quad(
+                            overlay_bounds,
+                            0.,
+                            gpui::transparent_black(),
+                            border,
+                            cx.theme().colors().border_selected,
+                            BorderStyle::Solid,
+                        ));
                     }
                 }
 
diff --git a/crates/workspace/src/path_list.rs b/crates/workspace/src/path_list.rs
new file mode 100644
index 0000000000..cf463e6b22
--- /dev/null
+++ b/crates/workspace/src/path_list.rs
@@ -0,0 +1,123 @@
+use std::{
+    path::{Path, PathBuf},
+    sync::Arc,
+};
+
+use util::paths::SanitizedPath;
+
+/// A list of absolute paths, in a specific order.
+///
+/// The paths are stored in lexicographic order, so that they can be compared to
+/// other path lists without regard to the order of the paths.
+#[derive(Default, PartialEq, Eq, Debug, Clone)]
+pub struct PathList {
+    paths: Arc<[PathBuf]>,
+    order: Arc<[usize]>,
+}
+
+#[derive(Debug)]
+pub struct SerializedPathList {
+    pub paths: String,
+    pub order: String,
+}
+
+impl PathList {
+    pub fn new<P: AsRef<Path>>(paths: &[P]) -> Self {
+        let mut indexed_paths: Vec<(usize, PathBuf)> = paths
+            .iter()
+            .enumerate()
+            .map(|(ix, path)| (ix, SanitizedPath::from(path).into()))
+            .collect();
+        indexed_paths.sort_by(|(_, a), (_, b)| a.cmp(b));
+        let order = indexed_paths.iter().map(|e| e.0).collect::<Vec<_>>().into();
+        let paths = indexed_paths
+            .into_iter()
+            .map(|e| e.1)
+            .collect::<Vec<_>>()
+            .into();
+        Self { order, paths }
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.paths.is_empty()
+    }
+
+    pub fn paths(&self) -> &[PathBuf] {
+        self.paths.as_ref()
+    }
+
+    pub fn order(&self) -> &[usize] {
+        self.order.as_ref()
+    }
+
+    pub fn is_lexicographically_ordered(&self) -> bool {
+        self.order.iter().enumerate().all(|(i, &j)| i == j)
+    }
+
+    pub fn deserialize(serialized: &SerializedPathList) -> Self {
+        let mut paths: Vec<PathBuf> = if serialized.paths.is_empty() {
+            Vec::new()
+        } else {
+            serialized.paths.split('\n').map(PathBuf::from).collect()
+        };
+
+        let mut order: Vec<usize> = serialized
+            .order
+            .split(',')
+            .filter_map(|s| s.parse().ok())
+            .collect();
+
+        if !paths.is_sorted() || order.len() != paths.len() {
+            order = (0..paths.len()).collect();
+            paths.sort();
+        }
+
+        Self {
+            paths: paths.into(),
+            order: order.into(),
+        }
+    }
+
+    pub fn serialize(&self) -> SerializedPathList {
+        use std::fmt::Write as _;
+
+        let mut paths = String::new();
+        for path in self.paths.iter() {
+            if !paths.is_empty() {
+                paths.push('\n');
+            }
+            paths.push_str(&path.to_string_lossy());
+        }
+
+        let mut order = String::new();
+        for ix in self.order.iter() {
+            if !order.is_empty() {
+                order.push(',');
+            }
+            write!(&mut order, "{}", *ix).unwrap();
+        }
+        SerializedPathList { paths, order }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_path_list() {
+        let list1 = PathList::new(&["a/d", "a/c"]);
+        let list2 = PathList::new(&["a/c", "a/d"]);
+
+        assert_eq!(list1.paths(), list2.paths());
+        assert_ne!(list1, list2);
+        assert_eq!(list1.order(), &[1, 0]);
+        assert_eq!(list2.order(), &[0, 1]);
+
+        let list1_deserialized = PathList::deserialize(&list1.serialize());
+        assert_eq!(list1_deserialized, list1);
+
+        let list2_deserialized = PathList::deserialize(&list2.serialize());
+        assert_eq!(list2_deserialized, list2);
+    }
+}
diff --git a/crates/workspace/src/persistence.rs b/crates/workspace/src/persistence.rs
index 6fa5c969e7..12e719cfd9 100644
--- a/crates/workspace/src/persistence.rs
+++ b/crates/workspace/src/persistence.rs
@@ -9,15 +9,17 @@ use std::{
 };
 
 use anyhow::{Context as _, Result, bail};
-use client::DevServerProjectId;
-use db::{define_connection, query, sqlez::connection::Connection, sqlez_macros::sql};
+use collections::HashMap;
+use db::{
+    query,
+    sqlez::{connection::Connection, domain::Domain},
+    sqlez_macros::sql,
+};
 use gpui::{Axis, Bounds, Task, WindowBounds, WindowId, point, size};
-use itertools::Itertools;
 use project::debugger::breakpoint_store::{BreakpointState, SourceBreakpoint};
 
 use language::{LanguageName, Toolchain};
 use project::WorktreeId;
-use remote::ssh_session::SshProjectId;
 use sqlez::{
     bindable::{Bind, Column, StaticColumnCount},
     statement::{SqlType, Statement},
@@ -28,14 +30,17 @@ use ui::{App, px};
 use util::{ResultExt, maybe};
 use uuid::Uuid;
 
-use crate::WorkspaceId;
-
-use model::{
-    GroupId, ItemId, LocalPaths, PaneId, SerializedItem, SerializedPane, SerializedPaneGroup,
-    SerializedSshProject, SerializedWorkspace,
+use crate::{
+    WorkspaceId,
+    path_list::{PathList, SerializedPathList},
 };
 
-use self::model::{DockStructure, LocalPathsOrder, SerializedWorkspaceLocation};
+use model::{
+    GroupId, ItemId, PaneId, SerializedItem, SerializedPane, SerializedPaneGroup,
+    SerializedSshConnection, SerializedWorkspace, SshConnectionId,
+};
+
+use self::model::{DockStructure, SerializedWorkspaceLocation};
 
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub(crate) struct SerializedAxis(pub(crate) gpui::Axis);
@@ -274,247 +279,189 @@ impl sqlez::bindable::Bind for SerializedPixels {
     }
 }
 
-define_connection! {
-    // Current schema shape using pseudo-rust syntax:
-    //
-    // workspaces(
-    //   workspace_id: usize, // Primary key for workspaces
-    //   local_paths: Bincode<Vec<PathBuf>>,
-    //   local_paths_order: Bincode<Vec<usize>>,
-    //   dock_visible: bool, // Deprecated
-    //   dock_anchor: DockAnchor, // Deprecated
-    //   dock_pane: Option<usize>, // Deprecated
-    //   left_sidebar_open: boolean,
-    //   timestamp: String, // UTC YYYY-MM-DD HH:MM:SS
-    //   window_state: String, // WindowBounds Discriminant
-    //   window_x: Option<f32>, // WindowBounds::Fixed RectF x
-    //   window_y: Option<f32>, // WindowBounds::Fixed RectF y
-    //   window_width: Option<f32>, // WindowBounds::Fixed RectF width
-    //   window_height: Option<f32>, // WindowBounds::Fixed RectF height
-    //   display: Option<Uuid>, // Display id
-    //   fullscreen: Option<bool>, // Is the window fullscreen?
-    //   centered_layout: Option<bool>, // Is the Centered Layout mode activated?
-    //   session_id: Option<String>, // Session id
-    //   window_id: Option<u64>, // Window Id
-    // )
-    //
-    // pane_groups(
-    //   group_id: usize, // Primary key for pane_groups
-    //   workspace_id: usize, // References workspaces table
-    //   parent_group_id: Option<usize>, // None indicates that this is the root node
-    //   position: Option<usize>, // None indicates that this is the root node
-    //   axis: Option<Axis>, // 'Vertical', 'Horizontal'
-    //   flexes: Option<Vec<f32>>, // A JSON array of floats
-    // )
-    //
-    // panes(
-    //     pane_id: usize, // Primary key for panes
-    //     workspace_id: usize, // References workspaces table
-    //     active: bool,
-    // )
-    //
-    // center_panes(
-    //     pane_id: usize, // Primary key for center_panes
-    //     parent_group_id: Option<usize>, // References pane_groups. If none, this is the root
-    //     position: Option<usize>, // None indicates this is the root
-    // )
-    //
-    // CREATE TABLE items(
-    //     item_id: usize, // This is the item's view id, so this is not unique
-    //     workspace_id: usize, // References workspaces table
-    //     pane_id: usize, // References panes table
-    //     kind: String, // Indicates which view this connects to. This is the key in the item_deserializers global
-    //     position: usize, // Position of the item in the parent pane. This is equivalent to panes' position column
-    //     active: bool, // Indicates if this item is the active one in the pane
-    //     preview: bool // Indicates if this item is a preview item
-    // )
-    //
-    // CREATE TABLE breakpoints(
-    //      workspace_id: usize Foreign Key, // References workspace table
-    //      path: PathBuf, // The absolute path of the file that this breakpoint belongs to
-    //      breakpoint_location: Vec<u32>, // A list of the locations of breakpoints
-    //      kind: int, // The kind of breakpoint (standard, log)
-    //      log_message: String, // log message for log breakpoints, otherwise it's Null
-    // )
-    pub static ref DB: WorkspaceDb<()> =
-    &[
+pub struct WorkspaceDb(ThreadSafeConnection);
+
+impl Domain for WorkspaceDb {
+    const NAME: &str = stringify!(WorkspaceDb);
+
+    const MIGRATIONS: &[&str] = &[
         sql!(
-        CREATE TABLE workspaces(
-            workspace_id INTEGER PRIMARY KEY,
-            workspace_location BLOB UNIQUE,
-            dock_visible INTEGER, // Deprecated. Preserving so users can downgrade Zed.
-            dock_anchor TEXT, // Deprecated. Preserving so users can downgrade Zed.
-            dock_pane INTEGER, // Deprecated.  Preserving so users can downgrade Zed.
-            left_sidebar_open INTEGER, // Boolean
-            timestamp TEXT DEFAULT CURRENT_TIMESTAMP NOT NULL,
-            FOREIGN KEY(dock_pane) REFERENCES panes(pane_id)
-        ) STRICT;
+            CREATE TABLE workspaces(
+                workspace_id INTEGER PRIMARY KEY,
+                workspace_location BLOB UNIQUE,
+                dock_visible INTEGER, // Deprecated. Preserving so users can downgrade Zed.
+                dock_anchor TEXT, // Deprecated. Preserving so users can downgrade Zed.
+                dock_pane INTEGER, // Deprecated.  Preserving so users can downgrade Zed.
+                left_sidebar_open INTEGER, // Boolean
+                timestamp TEXT DEFAULT CURRENT_TIMESTAMP NOT NULL,
+                FOREIGN KEY(dock_pane) REFERENCES panes(pane_id)
+            ) STRICT;
 
-        CREATE TABLE pane_groups(
-            group_id INTEGER PRIMARY KEY,
-            workspace_id INTEGER NOT NULL,
-            parent_group_id INTEGER, // NULL indicates that this is a root node
-            position INTEGER, // NULL indicates that this is a root node
-            axis TEXT NOT NULL, // Enum: 'Vertical' / 'Horizontal'
-            FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
-            ON DELETE CASCADE
-            ON UPDATE CASCADE,
-            FOREIGN KEY(parent_group_id) REFERENCES pane_groups(group_id) ON DELETE CASCADE
-        ) STRICT;
+            CREATE TABLE pane_groups(
+                group_id INTEGER PRIMARY KEY,
+                workspace_id INTEGER NOT NULL,
+                parent_group_id INTEGER, // NULL indicates that this is a root node
+                position INTEGER, // NULL indicates that this is a root node
+                axis TEXT NOT NULL, // Enum: 'Vertical' / 'Horizontal'
+                FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
+                ON DELETE CASCADE
+                ON UPDATE CASCADE,
+                FOREIGN KEY(parent_group_id) REFERENCES pane_groups(group_id) ON DELETE CASCADE
+            ) STRICT;
 
-        CREATE TABLE panes(
-            pane_id INTEGER PRIMARY KEY,
-            workspace_id INTEGER NOT NULL,
-            active INTEGER NOT NULL, // Boolean
-            FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
-            ON DELETE CASCADE
-            ON UPDATE CASCADE
-        ) STRICT;
+            CREATE TABLE panes(
+                pane_id INTEGER PRIMARY KEY,
+                workspace_id INTEGER NOT NULL,
+                active INTEGER NOT NULL, // Boolean
+                FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
+                ON DELETE CASCADE
+                ON UPDATE CASCADE
+            ) STRICT;
 
-        CREATE TABLE center_panes(
-            pane_id INTEGER PRIMARY KEY,
-            parent_group_id INTEGER, // NULL means that this is a root pane
-            position INTEGER, // NULL means that this is a root pane
-            FOREIGN KEY(pane_id) REFERENCES panes(pane_id)
-            ON DELETE CASCADE,
-            FOREIGN KEY(parent_group_id) REFERENCES pane_groups(group_id) ON DELETE CASCADE
-        ) STRICT;
+            CREATE TABLE center_panes(
+                pane_id INTEGER PRIMARY KEY,
+                parent_group_id INTEGER, // NULL means that this is a root pane
+                position INTEGER, // NULL means that this is a root pane
+                FOREIGN KEY(pane_id) REFERENCES panes(pane_id)
+                ON DELETE CASCADE,
+                FOREIGN KEY(parent_group_id) REFERENCES pane_groups(group_id) ON DELETE CASCADE
+            ) STRICT;
 
-        CREATE TABLE items(
-            item_id INTEGER NOT NULL, // This is the item's view id, so this is not unique
-            workspace_id INTEGER NOT NULL,
-            pane_id INTEGER NOT NULL,
-            kind TEXT NOT NULL,
-            position INTEGER NOT NULL,
-            active INTEGER NOT NULL,
-            FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
-            ON DELETE CASCADE
-            ON UPDATE CASCADE,
-            FOREIGN KEY(pane_id) REFERENCES panes(pane_id)
-            ON DELETE CASCADE,
-            PRIMARY KEY(item_id, workspace_id)
-        ) STRICT;
-    ),
-    sql!(
-        ALTER TABLE workspaces ADD COLUMN window_state TEXT;
-        ALTER TABLE workspaces ADD COLUMN window_x REAL;
-        ALTER TABLE workspaces ADD COLUMN window_y REAL;
-        ALTER TABLE workspaces ADD COLUMN window_width REAL;
-        ALTER TABLE workspaces ADD COLUMN window_height REAL;
-        ALTER TABLE workspaces ADD COLUMN display BLOB;
-    ),
-    // Drop foreign key constraint from workspaces.dock_pane to panes table.
-    sql!(
-        CREATE TABLE workspaces_2(
-            workspace_id INTEGER PRIMARY KEY,
-            workspace_location BLOB UNIQUE,
-            dock_visible INTEGER, // Deprecated. Preserving so users can downgrade Zed.
-            dock_anchor TEXT, // Deprecated. Preserving so users can downgrade Zed.
-            dock_pane INTEGER, // Deprecated.  Preserving so users can downgrade Zed.
-            left_sidebar_open INTEGER, // Boolean
-            timestamp TEXT DEFAULT CURRENT_TIMESTAMP NOT NULL,
-            window_state TEXT,
-            window_x REAL,
-            window_y REAL,
-            window_width REAL,
-            window_height REAL,
-            display BLOB
-        ) STRICT;
-        INSERT INTO workspaces_2 SELECT * FROM workspaces;
-        DROP TABLE workspaces;
-        ALTER TABLE workspaces_2 RENAME TO workspaces;
-    ),
-    // Add panels related information
-    sql!(
-        ALTER TABLE workspaces ADD COLUMN left_dock_visible INTEGER; //bool
-        ALTER TABLE workspaces ADD COLUMN left_dock_active_panel TEXT;
-        ALTER TABLE workspaces ADD COLUMN right_dock_visible INTEGER; //bool
-        ALTER TABLE workspaces ADD COLUMN right_dock_active_panel TEXT;
-        ALTER TABLE workspaces ADD COLUMN bottom_dock_visible INTEGER; //bool
-        ALTER TABLE workspaces ADD COLUMN bottom_dock_active_panel TEXT;
-    ),
-    // Add panel zoom persistence
-    sql!(
-        ALTER TABLE workspaces ADD COLUMN left_dock_zoom INTEGER; //bool
-        ALTER TABLE workspaces ADD COLUMN right_dock_zoom INTEGER; //bool
-        ALTER TABLE workspaces ADD COLUMN bottom_dock_zoom INTEGER; //bool
-    ),
-    // Add pane group flex data
-    sql!(
-        ALTER TABLE pane_groups ADD COLUMN flexes TEXT;
-    ),
-    // Add fullscreen field to workspace
-    // Deprecated, `WindowBounds` holds the fullscreen state now.
-    // Preserving so users can downgrade Zed.
-    sql!(
-        ALTER TABLE workspaces ADD COLUMN fullscreen INTEGER; //bool
-    ),
-    // Add preview field to items
-    sql!(
-        ALTER TABLE items ADD COLUMN preview INTEGER; //bool
-    ),
-    // Add centered_layout field to workspace
-    sql!(
-        ALTER TABLE workspaces ADD COLUMN centered_layout INTEGER; //bool
-    ),
-    sql!(
-        CREATE TABLE remote_projects (
-            remote_project_id INTEGER NOT NULL UNIQUE,
-            path TEXT,
-            dev_server_name TEXT
-        );
-        ALTER TABLE workspaces ADD COLUMN remote_project_id INTEGER;
-        ALTER TABLE workspaces RENAME COLUMN workspace_location TO local_paths;
-    ),
-    sql!(
-        DROP TABLE remote_projects;
-        CREATE TABLE dev_server_projects (
-            id INTEGER NOT NULL UNIQUE,
-            path TEXT,
-            dev_server_name TEXT
-        );
-        ALTER TABLE workspaces DROP COLUMN remote_project_id;
-        ALTER TABLE workspaces ADD COLUMN dev_server_project_id INTEGER;
-    ),
-    sql!(
-        ALTER TABLE workspaces ADD COLUMN local_paths_order BLOB;
-    ),
-    sql!(
-        ALTER TABLE workspaces ADD COLUMN session_id TEXT DEFAULT NULL;
-    ),
-    sql!(
-        ALTER TABLE workspaces ADD COLUMN window_id INTEGER DEFAULT NULL;
-    ),
-    sql!(
-        ALTER TABLE panes ADD COLUMN pinned_count INTEGER DEFAULT 0;
-    ),
-    sql!(
-        CREATE TABLE ssh_projects (
-            id INTEGER PRIMARY KEY,
-            host TEXT NOT NULL,
-            port INTEGER,
-            path TEXT NOT NULL,
-            user TEXT
-        );
-        ALTER TABLE workspaces ADD COLUMN ssh_project_id INTEGER REFERENCES ssh_projects(id) ON DELETE CASCADE;
-    ),
-    sql!(
-        ALTER TABLE ssh_projects RENAME COLUMN path TO paths;
-    ),
-    sql!(
-        CREATE TABLE toolchains (
-            workspace_id INTEGER,
-            worktree_id INTEGER,
-            language_name TEXT NOT NULL,
-            name TEXT NOT NULL,
-            path TEXT NOT NULL,
-            PRIMARY KEY (workspace_id, worktree_id, language_name)
-        );
-    ),
-    sql!(
-        ALTER TABLE toolchains ADD COLUMN raw_json TEXT DEFAULT "{}";
-    ),
-    sql!(
+            CREATE TABLE items(
+                item_id INTEGER NOT NULL, // This is the item's view id, so this is not unique
+                workspace_id INTEGER NOT NULL,
+                pane_id INTEGER NOT NULL,
+                kind TEXT NOT NULL,
+                position INTEGER NOT NULL,
+                active INTEGER NOT NULL,
+                FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
+                ON DELETE CASCADE
+                ON UPDATE CASCADE,
+                FOREIGN KEY(pane_id) REFERENCES panes(pane_id)
+                ON DELETE CASCADE,
+                PRIMARY KEY(item_id, workspace_id)
+            ) STRICT;
+        ),
+        sql!(
+            ALTER TABLE workspaces ADD COLUMN window_state TEXT;
+            ALTER TABLE workspaces ADD COLUMN window_x REAL;
+            ALTER TABLE workspaces ADD COLUMN window_y REAL;
+            ALTER TABLE workspaces ADD COLUMN window_width REAL;
+            ALTER TABLE workspaces ADD COLUMN window_height REAL;
+            ALTER TABLE workspaces ADD COLUMN display BLOB;
+        ),
+        // Drop foreign key constraint from workspaces.dock_pane to panes table.
+        sql!(
+            CREATE TABLE workspaces_2(
+                workspace_id INTEGER PRIMARY KEY,
+                workspace_location BLOB UNIQUE,
+                dock_visible INTEGER, // Deprecated. Preserving so users can downgrade Zed.
+                dock_anchor TEXT, // Deprecated. Preserving so users can downgrade Zed.
+                dock_pane INTEGER, // Deprecated.  Preserving so users can downgrade Zed.
+                left_sidebar_open INTEGER, // Boolean
+                timestamp TEXT DEFAULT CURRENT_TIMESTAMP NOT NULL,
+                window_state TEXT,
+                window_x REAL,
+                window_y REAL,
+                window_width REAL,
+                window_height REAL,
+                display BLOB
+            ) STRICT;
+            INSERT INTO workspaces_2 SELECT * FROM workspaces;
+            DROP TABLE workspaces;
+            ALTER TABLE workspaces_2 RENAME TO workspaces;
+        ),
+        // Add panels related information
+        sql!(
+            ALTER TABLE workspaces ADD COLUMN left_dock_visible INTEGER; //bool
+            ALTER TABLE workspaces ADD COLUMN left_dock_active_panel TEXT;
+            ALTER TABLE workspaces ADD COLUMN right_dock_visible INTEGER; //bool
+            ALTER TABLE workspaces ADD COLUMN right_dock_active_panel TEXT;
+            ALTER TABLE workspaces ADD COLUMN bottom_dock_visible INTEGER; //bool
+            ALTER TABLE workspaces ADD COLUMN bottom_dock_active_panel TEXT;
+        ),
+        // Add panel zoom persistence
+        sql!(
+            ALTER TABLE workspaces ADD COLUMN left_dock_zoom INTEGER; //bool
+            ALTER TABLE workspaces ADD COLUMN right_dock_zoom INTEGER; //bool
+            ALTER TABLE workspaces ADD COLUMN bottom_dock_zoom INTEGER; //bool
+        ),
+        // Add pane group flex data
+        sql!(
+            ALTER TABLE pane_groups ADD COLUMN flexes TEXT;
+        ),
+        // Add fullscreen field to workspace
+        // Deprecated, `WindowBounds` holds the fullscreen state now.
+        // Preserving so users can downgrade Zed.
+        sql!(
+            ALTER TABLE workspaces ADD COLUMN fullscreen INTEGER; //bool
+        ),
+        // Add preview field to items
+        sql!(
+            ALTER TABLE items ADD COLUMN preview INTEGER; //bool
+        ),
+        // Add centered_layout field to workspace
+        sql!(
+            ALTER TABLE workspaces ADD COLUMN centered_layout INTEGER; //bool
+        ),
+        sql!(
+            CREATE TABLE remote_projects (
+                remote_project_id INTEGER NOT NULL UNIQUE,
+                path TEXT,
+                dev_server_name TEXT
+            );
+            ALTER TABLE workspaces ADD COLUMN remote_project_id INTEGER;
+            ALTER TABLE workspaces RENAME COLUMN workspace_location TO local_paths;
+        ),
+        sql!(
+            DROP TABLE remote_projects;
+            CREATE TABLE dev_server_projects (
+                id INTEGER NOT NULL UNIQUE,
+                path TEXT,
+                dev_server_name TEXT
+            );
+            ALTER TABLE workspaces DROP COLUMN remote_project_id;
+            ALTER TABLE workspaces ADD COLUMN dev_server_project_id INTEGER;
+        ),
+        sql!(
+            ALTER TABLE workspaces ADD COLUMN local_paths_order BLOB;
+        ),
+        sql!(
+            ALTER TABLE workspaces ADD COLUMN session_id TEXT DEFAULT NULL;
+        ),
+        sql!(
+            ALTER TABLE workspaces ADD COLUMN window_id INTEGER DEFAULT NULL;
+        ),
+        sql!(
+            ALTER TABLE panes ADD COLUMN pinned_count INTEGER DEFAULT 0;
+        ),
+        sql!(
+            CREATE TABLE ssh_projects (
+                id INTEGER PRIMARY KEY,
+                host TEXT NOT NULL,
+                port INTEGER,
+                path TEXT NOT NULL,
+                user TEXT
+            );
+            ALTER TABLE workspaces ADD COLUMN ssh_project_id INTEGER REFERENCES ssh_projects(id) ON DELETE CASCADE;
+        ),
+        sql!(
+            ALTER TABLE ssh_projects RENAME COLUMN path TO paths;
+        ),
+        sql!(
+            CREATE TABLE toolchains (
+                workspace_id INTEGER,
+                worktree_id INTEGER,
+                language_name TEXT NOT NULL,
+                name TEXT NOT NULL,
+                path TEXT NOT NULL,
+                PRIMARY KEY (workspace_id, worktree_id, language_name)
+            );
+        ),
+        sql!(
+            ALTER TABLE toolchains ADD COLUMN raw_json TEXT DEFAULT "{}";
+        ),
+        sql!(
             CREATE TABLE breakpoints (
                 workspace_id INTEGER NOT NULL,
                 path TEXT NOT NULL,
@@ -526,25 +473,165 @@ define_connection! {
                 ON UPDATE CASCADE
             );
         ),
-    sql!(
-        ALTER TABLE workspaces ADD COLUMN local_paths_array TEXT;
-        CREATE UNIQUE INDEX local_paths_array_uq ON workspaces(local_paths_array);
-        ALTER TABLE workspaces ADD COLUMN local_paths_order_array TEXT;
-    ),
-    sql!(
-        ALTER TABLE breakpoints ADD COLUMN state INTEGER DEFAULT(0) NOT NULL
-    ),
-    sql!(
-        ALTER TABLE breakpoints DROP COLUMN kind
-    ),
-    sql!(ALTER TABLE toolchains ADD COLUMN relative_worktree_path TEXT DEFAULT "" NOT NULL),
-    sql!(
-        ALTER TABLE breakpoints ADD COLUMN condition TEXT;
-        ALTER TABLE breakpoints ADD COLUMN hit_condition TEXT;
-    ),
+        sql!(
+            ALTER TABLE workspaces ADD COLUMN local_paths_array TEXT;
+            CREATE UNIQUE INDEX local_paths_array_uq ON workspaces(local_paths_array);
+            ALTER TABLE workspaces ADD COLUMN local_paths_order_array TEXT;
+        ),
+        sql!(
+            ALTER TABLE breakpoints ADD COLUMN state INTEGER DEFAULT(0) NOT NULL
+        ),
+        sql!(
+            ALTER TABLE breakpoints DROP COLUMN kind
+        ),
+        sql!(ALTER TABLE toolchains ADD COLUMN relative_worktree_path TEXT DEFAULT "" NOT NULL),
+        sql!(
+            ALTER TABLE breakpoints ADD COLUMN condition TEXT;
+            ALTER TABLE breakpoints ADD COLUMN hit_condition TEXT;
+        ),
+        sql!(CREATE TABLE toolchains2 (
+            workspace_id INTEGER,
+            worktree_id INTEGER,
+            language_name TEXT NOT NULL,
+            name TEXT NOT NULL,
+            path TEXT NOT NULL,
+            raw_json TEXT NOT NULL,
+            relative_worktree_path TEXT NOT NULL,
+            PRIMARY KEY (workspace_id, worktree_id, language_name, relative_worktree_path)) STRICT;
+            INSERT INTO toolchains2
+                SELECT * FROM toolchains;
+            DROP TABLE toolchains;
+            ALTER TABLE toolchains2 RENAME TO toolchains;
+        ),
+        sql!(
+            CREATE TABLE ssh_connections (
+                id INTEGER PRIMARY KEY,
+                host TEXT NOT NULL,
+                port INTEGER,
+                user TEXT
+            );
+
+            INSERT INTO ssh_connections (host, port, user)
+            SELECT DISTINCT host, port, user
+            FROM ssh_projects;
+
+            CREATE TABLE workspaces_2(
+                workspace_id INTEGER PRIMARY KEY,
+                paths TEXT,
+                paths_order TEXT,
+                ssh_connection_id INTEGER REFERENCES ssh_connections(id),
+                timestamp TEXT DEFAULT CURRENT_TIMESTAMP NOT NULL,
+                window_state TEXT,
+                window_x REAL,
+                window_y REAL,
+                window_width REAL,
+                window_height REAL,
+                display BLOB,
+                left_dock_visible INTEGER,
+                left_dock_active_panel TEXT,
+                right_dock_visible INTEGER,
+                right_dock_active_panel TEXT,
+                bottom_dock_visible INTEGER,
+                bottom_dock_active_panel TEXT,
+                left_dock_zoom INTEGER,
+                right_dock_zoom INTEGER,
+                bottom_dock_zoom INTEGER,
+                fullscreen INTEGER,
+                centered_layout INTEGER,
+                session_id TEXT,
+                window_id INTEGER
+            ) STRICT;
+
+            INSERT
+            INTO workspaces_2
+            SELECT
+                workspaces.workspace_id,
+                CASE
+                    WHEN ssh_projects.id IS NOT NULL THEN ssh_projects.paths
+                    ELSE
+                        CASE
+                            WHEN workspaces.local_paths_array IS NULL OR workspaces.local_paths_array = "" THEN
+                                NULL
+                            ELSE
+                                replace(workspaces.local_paths_array, ',', CHAR(10))
+                        END
+                END as paths,
+
+                CASE
+                    WHEN ssh_projects.id IS NOT NULL THEN ""
+                    ELSE workspaces.local_paths_order_array
+                END as paths_order,
+
+                CASE
+                    WHEN ssh_projects.id IS NOT NULL THEN (
+                        SELECT ssh_connections.id
+                        FROM ssh_connections
+                        WHERE
+                            ssh_connections.host IS ssh_projects.host AND
+                            ssh_connections.port IS ssh_projects.port AND
+                            ssh_connections.user IS ssh_projects.user
+                    )
+                    ELSE NULL
+                END as ssh_connection_id,
+
+                workspaces.timestamp,
+                workspaces.window_state,
+                workspaces.window_x,
+                workspaces.window_y,
+                workspaces.window_width,
+                workspaces.window_height,
+                workspaces.display,
+                workspaces.left_dock_visible,
+                workspaces.left_dock_active_panel,
+                workspaces.right_dock_visible,
+                workspaces.right_dock_active_panel,
+                workspaces.bottom_dock_visible,
+                workspaces.bottom_dock_active_panel,
+                workspaces.left_dock_zoom,
+                workspaces.right_dock_zoom,
+                workspaces.bottom_dock_zoom,
+                workspaces.fullscreen,
+                workspaces.centered_layout,
+                workspaces.session_id,
+                workspaces.window_id
+            FROM
+                workspaces LEFT JOIN
+                ssh_projects ON
+                workspaces.ssh_project_id = ssh_projects.id;
+
+            DROP TABLE ssh_projects;
+            DROP TABLE workspaces;
+            ALTER TABLE workspaces_2 RENAME TO workspaces;
+
+            CREATE UNIQUE INDEX ix_workspaces_location ON workspaces(ssh_connection_id, paths);
+        ),
+        // Fix any data from when workspaces.paths were briefly encoded as JSON arrays
+        sql!(
+            UPDATE workspaces
+            SET paths = CASE
+                WHEN substr(paths, 1, 2) = '[' || '"' AND substr(paths, -2, 2) = '"' || ']' THEN
+                    replace(
+                        substr(paths, 3, length(paths) - 4),
+                        '"' || ',' || '"',
+                        CHAR(10)
+                    )
+                ELSE
+                    replace(paths, ',', CHAR(10))
+            END
+            WHERE paths IS NOT NULL
+        ),
     ];
+
+    // Allow recovering from bad migration that was initially shipped to nightly
+    // when introducing the ssh_connections table.
+    fn should_allow_migration_change(_index: usize, old: &str, new: &str) -> bool {
+        old.starts_with("CREATE TABLE ssh_connections")
+            && new.starts_with("CREATE TABLE ssh_connections")
+    }
 }
 
+db::static_connection!(DB, WorkspaceDb, []);
+
 impl WorkspaceDb {
     /// Returns a serialized workspace for the given worktree_roots. If the passed array
     /// is empty, the most recent workspace is returned instead. If no workspace for the
@@ -552,17 +639,33 @@ impl WorkspaceDb {
     pub(crate) fn workspace_for_roots<P: AsRef<Path>>(
         &self,
         worktree_roots: &[P],
+    ) -> Option<SerializedWorkspace> {
+        self.workspace_for_roots_internal(worktree_roots, None)
+    }
+
+    pub(crate) fn ssh_workspace_for_roots<P: AsRef<Path>>(
+        &self,
+        worktree_roots: &[P],
+        ssh_project_id: SshConnectionId,
+    ) -> Option<SerializedWorkspace> {
+        self.workspace_for_roots_internal(worktree_roots, Some(ssh_project_id))
+    }
+
+    pub(crate) fn workspace_for_roots_internal<P: AsRef<Path>>(
+        &self,
+        worktree_roots: &[P],
+        ssh_connection_id: Option<SshConnectionId>,
     ) -> Option<SerializedWorkspace> {
         // paths are sorted before db interactions to ensure that the order of the paths
         // doesn't affect the workspace selection for existing workspaces
-        let local_paths = LocalPaths::new(worktree_roots);
+        let root_paths = PathList::new(worktree_roots);
 
         // Note that we re-assign the workspace_id here in case it's empty
         // and we've grabbed the most recent workspace
         let (
             workspace_id,
-            local_paths,
-            local_paths_order,
+            paths,
+            paths_order,
             window_bounds,
             display,
             centered_layout,
@@ -570,8 +673,8 @@ impl WorkspaceDb {
             window_id,
         ): (
             WorkspaceId,
-            Option<LocalPaths>,
-            Option<LocalPathsOrder>,
+            String,
+            String,
             Option<SerializedWindowBounds>,
             Option<Uuid>,
             Option<bool>,
@@ -581,8 +684,8 @@ impl WorkspaceDb {
             .select_row_bound(sql! {
                 SELECT
                     workspace_id,
-                    local_paths,
-                    local_paths_order,
+                    paths,
+                    paths_order,
                     window_state,
                     window_x,
                     window_y,
@@ -601,25 +704,31 @@ impl WorkspaceDb {
                     bottom_dock_zoom,
                     window_id
                 FROM workspaces
-                WHERE local_paths = ?
+                WHERE
+                    paths IS ? AND
+                    ssh_connection_id IS ?
+                LIMIT 1
+            })
+            .map(|mut prepared_statement| {
+                (prepared_statement)((
+                    root_paths.serialize().paths,
+                    ssh_connection_id.map(|id| id.0 as i32),
+                ))
+                .unwrap()
             })
-            .and_then(|mut prepared_statement| (prepared_statement)(&local_paths))
             .context("No workspaces found")
             .warn_on_err()
             .flatten()?;
 
-        let local_paths = local_paths?;
-        let location = match local_paths_order {
-            Some(order) => SerializedWorkspaceLocation::Local(local_paths, order),
-            None => {
-                let order = LocalPathsOrder::default_for_paths(&local_paths);
-                SerializedWorkspaceLocation::Local(local_paths, order)
-            }
-        };
+        let paths = PathList::deserialize(&SerializedPathList {
+            paths,
+            order: paths_order,
+        });
 
         Some(SerializedWorkspace {
             id: workspace_id,
-            location,
+            location: SerializedWorkspaceLocation::Local,
+            paths,
             center_group: self
                 .get_center_pane_group(workspace_id)
                 .context("Getting center group")
@@ -634,63 +743,6 @@ impl WorkspaceDb {
         })
     }
 
-    pub(crate) fn workspace_for_ssh_project(
-        &self,
-        ssh_project: &SerializedSshProject,
-    ) -> Option<SerializedWorkspace> {
-        let (workspace_id, window_bounds, display, centered_layout, docks, window_id): (
-            WorkspaceId,
-            Option<SerializedWindowBounds>,
-            Option<Uuid>,
-            Option<bool>,
-            DockStructure,
-            Option<u64>,
-        ) = self
-            .select_row_bound(sql! {
-                SELECT
-                    workspace_id,
-                    window_state,
-                    window_x,
-                    window_y,
-                    window_width,
-                    window_height,
-                    display,
-                    centered_layout,
-                    left_dock_visible,
-                    left_dock_active_panel,
-                    left_dock_zoom,
-                    right_dock_visible,
-                    right_dock_active_panel,
-                    right_dock_zoom,
-                    bottom_dock_visible,
-                    bottom_dock_active_panel,
-                    bottom_dock_zoom,
-                    window_id
-                FROM workspaces
-                WHERE ssh_project_id = ?
-            })
-            .and_then(|mut prepared_statement| (prepared_statement)(ssh_project.id.0))
-            .context("No workspaces found")
-            .warn_on_err()
-            .flatten()?;
-
-        Some(SerializedWorkspace {
-            id: workspace_id,
-            location: SerializedWorkspaceLocation::Ssh(ssh_project.clone()),
-            center_group: self
-                .get_center_pane_group(workspace_id)
-                .context("Getting center group")
-                .log_err()?,
-            window_bounds,
-            centered_layout: centered_layout.unwrap_or(false),
-            breakpoints: self.breakpoints(workspace_id),
-            display,
-            docks,
-            session_id: None,
-            window_id,
-        })
-    }
-
     fn breakpoints(&self, workspace_id: WorkspaceId) -> BTreeMap<Arc<Path>, Vec<SourceBreakpoint>> {
         let breakpoints: Result<Vec<(PathBuf, Breakpoint)>> = self
             .select_bound(sql! {
@@ -740,16 +792,34 @@ impl WorkspaceDb {
     /// Saves a workspace using the worktree roots. Will garbage collect any workspaces
     /// that used this workspace previously
     pub(crate) async fn save_workspace(&self, workspace: SerializedWorkspace) {
+        let paths = workspace.paths.serialize();
         log::debug!("Saving workspace at location: {:?}", workspace.location);
         self.write(move |conn| {
             conn.with_savepoint("update_worktrees", || {
+                let ssh_connection_id = match &workspace.location {
+                    SerializedWorkspaceLocation::Local => None,
+                    SerializedWorkspaceLocation::Ssh(connection) => {
+                        Some(Self::get_or_create_ssh_connection_query(
+                            conn,
+                            connection.host.clone(),
+                            connection.port,
+                            connection.user.clone(),
+                        )?.0)
+                    }
+                };
+
                 // Clear out panes and pane_groups
                 conn.exec_bound(sql!(
                     DELETE FROM pane_groups WHERE workspace_id = ?1;
                     DELETE FROM panes WHERE workspace_id = ?1;))?(workspace.id)
                     .context("Clearing old panes")?;
 
-                conn.exec_bound(sql!(DELETE FROM breakpoints WHERE workspace_id = ?1))?(workspace.id).context("Clearing old breakpoints")?;
+                conn.exec_bound(
+                    sql!(
+                        DELETE FROM breakpoints WHERE workspace_id = ?1;
+                        DELETE FROM toolchains WHERE workspace_id = ?1;
+                    )
+                )?(workspace.id).context("Clearing old breakpoints")?;
 
                 for (path, breakpoints) in workspace.breakpoints {
                     for bp in breakpoints {
@@ -776,115 +846,73 @@ impl WorkspaceDb {
                             }
                         }
                     }
-
                 }
 
+                conn.exec_bound(sql!(
+                    DELETE
+                    FROM workspaces
+                    WHERE
+                        workspace_id != ?1 AND
+                        paths IS ?2 AND
+                        ssh_connection_id IS ?3
+                ))?((
+                    workspace.id,
+                    paths.paths.clone(),
+                    ssh_connection_id,
+                ))
+                .context("clearing out old locations")?;
 
-                match workspace.location {
-                    SerializedWorkspaceLocation::Local(local_paths, local_paths_order) => {
-                        conn.exec_bound(sql!(
-                            DELETE FROM toolchains WHERE workspace_id = ?1;
-                            DELETE FROM workspaces WHERE local_paths = ? AND workspace_id != ?
-                        ))?((&local_paths, workspace.id))
-                        .context("clearing out old locations")?;
+                // Upsert
+                let query = sql!(
+                    INSERT INTO workspaces(
+                        workspace_id,
+                        paths,
+                        paths_order,
+                        ssh_connection_id,
+                        left_dock_visible,
+                        left_dock_active_panel,
+                        left_dock_zoom,
+                        right_dock_visible,
+                        right_dock_active_panel,
+                        right_dock_zoom,
+                        bottom_dock_visible,
+                        bottom_dock_active_panel,
+                        bottom_dock_zoom,
+                        session_id,
+                        window_id,
+                        timestamp
+                    )
+                    VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, ?11, ?12, ?13, ?14, ?15, CURRENT_TIMESTAMP)
+                    ON CONFLICT DO
+                    UPDATE SET
+                        paths = ?2,
+                        paths_order = ?3,
+                        ssh_connection_id = ?4,
+                        left_dock_visible = ?5,
+                        left_dock_active_panel = ?6,
+                        left_dock_zoom = ?7,
+                        right_dock_visible = ?8,
+                        right_dock_active_panel = ?9,
+                        right_dock_zoom = ?10,
+                        bottom_dock_visible = ?11,
+                        bottom_dock_active_panel = ?12,
+                        bottom_dock_zoom = ?13,
+                        session_id = ?14,
+                        window_id = ?15,
+                        timestamp = CURRENT_TIMESTAMP
+                );
+                let mut prepared_query = conn.exec_bound(query)?;
+                let args = (
+                    workspace.id,
+                    paths.paths.clone(),
+                    paths.order.clone(),
+                    ssh_connection_id,
+                    workspace.docks,
+                    workspace.session_id,
+                    workspace.window_id,
+                );
 
-                        // Upsert
-                        let query = sql!(
-                            INSERT INTO workspaces(
-                                workspace_id,
-                                local_paths,
-                                local_paths_order,
-                                left_dock_visible,
-                                left_dock_active_panel,
-                                left_dock_zoom,
-                                right_dock_visible,
-                                right_dock_active_panel,
-                                right_dock_zoom,
-                                bottom_dock_visible,
-                                bottom_dock_active_panel,
-                                bottom_dock_zoom,
-                                session_id,
-                                window_id,
-                                timestamp,
-                                local_paths_array,
-                                local_paths_order_array
-                            )
-                            VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, ?11, ?12, ?13, ?14, CURRENT_TIMESTAMP, ?15, ?16)
-                            ON CONFLICT DO
-                            UPDATE SET
-                                local_paths = ?2,
-                                local_paths_order = ?3,
-                                left_dock_visible = ?4,
-                                left_dock_active_panel = ?5,
-                                left_dock_zoom = ?6,
-                                right_dock_visible = ?7,
-                                right_dock_active_panel = ?8,
-                                right_dock_zoom = ?9,
-                                bottom_dock_visible = ?10,
-                                bottom_dock_active_panel = ?11,
-                                bottom_dock_zoom = ?12,
-                                session_id = ?13,
-                                window_id = ?14,
-                                timestamp = CURRENT_TIMESTAMP,
-                                local_paths_array = ?15,
-                                local_paths_order_array = ?16
-                        );
-                        let mut prepared_query = conn.exec_bound(query)?;
-                        let args = (workspace.id, &local_paths, &local_paths_order, workspace.docks, workspace.session_id, workspace.window_id, local_paths.paths().iter().map(|path| path.to_string_lossy().to_string()).join(","), local_paths_order.order().iter().map(|order| order.to_string()).join(","));
-
-                        prepared_query(args).context("Updating workspace")?;
-                    }
-                    SerializedWorkspaceLocation::Ssh(ssh_project) => {
-                        conn.exec_bound(sql!(
-                            DELETE FROM toolchains WHERE workspace_id = ?1;
-                            DELETE FROM workspaces WHERE ssh_project_id = ? AND workspace_id != ?
-                        ))?((ssh_project.id.0, workspace.id))
-                        .context("clearing out old locations")?;
-
-                        // Upsert
-                        conn.exec_bound(sql!(
-                            INSERT INTO workspaces(
-                                workspace_id,
-                                ssh_project_id,
-                                left_dock_visible,
-                                left_dock_active_panel,
-                                left_dock_zoom,
-                                right_dock_visible,
-                                right_dock_active_panel,
-                                right_dock_zoom,
-                                bottom_dock_visible,
-                                bottom_dock_active_panel,
-                                bottom_dock_zoom,
-                                session_id,
-                                window_id,
-                                timestamp
-                            )
-                            VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, ?11, ?12, ?13, CURRENT_TIMESTAMP)
-                            ON CONFLICT DO
-                            UPDATE SET
-                                ssh_project_id = ?2,
-                                left_dock_visible = ?3,
-                                left_dock_active_panel = ?4,
-                                left_dock_zoom = ?5,
-                                right_dock_visible = ?6,
-                                right_dock_active_panel = ?7,
-                                right_dock_zoom = ?8,
-                                bottom_dock_visible = ?9,
-                                bottom_dock_active_panel = ?10,
-                                bottom_dock_zoom = ?11,
-                                session_id = ?12,
-                                window_id = ?13,
-                                timestamp = CURRENT_TIMESTAMP
-                        ))?((
-                            workspace.id,
-                            ssh_project.id.0,
-                            workspace.docks,
-                            workspace.session_id,
-                            workspace.window_id
-                        ))
-                        .context("Updating workspace")?;
-                    }
-                }
+                prepared_query(args).context("Updating workspace")?;
 
                 // Save center pane group
                 Self::save_pane_group(conn, workspace.id, &workspace.center_group, None)
@@ -897,89 +925,95 @@ impl WorkspaceDb {
         .await;
     }
 
-    pub(crate) async fn get_or_create_ssh_project(
+    pub(crate) async fn get_or_create_ssh_connection(
         &self,
         host: String,
         port: Option<u16>,
-        paths: Vec<String>,
         user: Option<String>,
-    ) -> Result<SerializedSshProject> {
-        let paths = serde_json::to_string(&paths)?;
-        if let Some(project) = self
-            .get_ssh_project(host.clone(), port, paths.clone(), user.clone())
-            .await?
+    ) -> Result<SshConnectionId> {
+        self.write(move |conn| Self::get_or_create_ssh_connection_query(conn, host, port, user))
+            .await
+    }
+
+    fn get_or_create_ssh_connection_query(
+        this: &Connection,
+        host: String,
+        port: Option<u16>,
+        user: Option<String>,
+    ) -> Result<SshConnectionId> {
+        if let Some(id) = this.select_row_bound(sql!(
+            SELECT id FROM ssh_connections WHERE host IS ? AND port IS ? AND user IS ? LIMIT 1
+        ))?((host.clone(), port, user.clone()))?
         {
-            Ok(project)
+            Ok(SshConnectionId(id))
         } else {
             log::debug!("Inserting SSH project at host {host}");
-            self.insert_ssh_project(host, port, paths, user)
-                .await?
-                .context("failed to insert ssh project")
+            let id = this.select_row_bound(sql!(
+                INSERT INTO ssh_connections (
+                    host,
+                    port,
+                    user
+                ) VALUES (?1, ?2, ?3)
+                RETURNING id
+            ))?((host, port, user))?
+            .context("failed to insert ssh project")?;
+            Ok(SshConnectionId(id))
         }
     }
 
-    query! {
-        async fn get_ssh_project(host: String, port: Option<u16>, paths: String, user: Option<String>) -> Result<Option<SerializedSshProject>> {
-            SELECT id, host, port, paths, user
-            FROM ssh_projects
-            WHERE host IS ? AND port IS ? AND paths IS ? AND user IS ?
-            LIMIT 1
-        }
-    }
-
-    query! {
-        async fn insert_ssh_project(host: String, port: Option<u16>, paths: String, user: Option<String>) -> Result<Option<SerializedSshProject>> {
-            INSERT INTO ssh_projects(
-                host,
-                port,
-                paths,
-                user
-            ) VALUES (?1, ?2, ?3, ?4)
-            RETURNING id, host, port, paths, user
-        }
-    }
-
-    query! {
-        pub async fn update_ssh_project_paths_query(ssh_project_id: u64, paths: String) -> Result<Option<SerializedSshProject>> {
-            UPDATE ssh_projects
-            SET paths = ?2
-            WHERE id = ?1
-            RETURNING id, host, port, paths, user
-        }
-    }
-
-    pub(crate) async fn update_ssh_project_paths(
-        &self,
-        ssh_project_id: SshProjectId,
-        new_paths: Vec<String>,
-    ) -> Result<SerializedSshProject> {
-        let paths = serde_json::to_string(&new_paths)?;
-        self.update_ssh_project_paths_query(ssh_project_id.0, paths)
-            .await?
-            .context("failed to update ssh project paths")
-    }
-
     query! {
         pub async fn next_id() -> Result<WorkspaceId> {
             INSERT INTO workspaces DEFAULT VALUES RETURNING workspace_id
         }
     }
 
+    fn recent_workspaces(&self) -> Result<Vec<(WorkspaceId, PathList, Option<u64>)>> {
+        Ok(self
+            .recent_workspaces_query()?
+            .into_iter()
+            .map(|(id, paths, order, ssh_connection_id)| {
+                (
+                    id,
+                    PathList::deserialize(&SerializedPathList { paths, order }),
+                    ssh_connection_id,
+                )
+            })
+            .collect())
+    }
+
     query! {
-        fn recent_workspaces() -> Result<Vec<(WorkspaceId, LocalPaths, LocalPathsOrder, Option<u64>)>> {
-            SELECT workspace_id, local_paths, local_paths_order, ssh_project_id
+        fn recent_workspaces_query() -> Result<Vec<(WorkspaceId, String, String, Option<u64>)>> {
+            SELECT workspace_id, paths, paths_order, ssh_connection_id
             FROM workspaces
-            WHERE local_paths IS NOT NULL
-                OR ssh_project_id IS NOT NULL
+            WHERE
+                paths IS NOT NULL OR
+                ssh_connection_id IS NOT NULL
             ORDER BY timestamp DESC
         }
     }
 
+    fn session_workspaces(
+        &self,
+        session_id: String,
+    ) -> Result<Vec<(PathList, Option<u64>, Option<SshConnectionId>)>> {
+        Ok(self
+            .session_workspaces_query(session_id)?
+            .into_iter()
+            .map(|(paths, order, window_id, ssh_connection_id)| {
+                (
+                    PathList::deserialize(&SerializedPathList { paths, order }),
+                    window_id,
+                    ssh_connection_id.map(SshConnectionId),
+                )
+            })
+            .collect())
+    }
+
     query! {
-        fn session_workspaces(session_id: String) -> Result<Vec<(LocalPaths, LocalPathsOrder, Option<u64>, Option<u64>)>> {
-            SELECT local_paths, local_paths_order, window_id, ssh_project_id
+        fn session_workspaces_query(session_id: String) -> Result<Vec<(String, String, Option<u64>, Option<u64>)>> {
+            SELECT paths, paths_order, window_id, ssh_connection_id
             FROM workspaces
-            WHERE session_id = ?1 AND dev_server_project_id IS NULL
+            WHERE session_id = ?1
             ORDER BY timestamp DESC
         }
     }
@@ -999,17 +1033,39 @@ impl WorkspaceDb {
         }
     }
 
-    query! {
-        fn ssh_projects() -> Result<Vec<SerializedSshProject>> {
-            SELECT id, host, port, paths, user
-            FROM ssh_projects
-        }
+    fn ssh_connections(&self) -> Result<HashMap<SshConnectionId, SerializedSshConnection>> {
+        Ok(self
+            .ssh_connections_query()?
+            .into_iter()
+            .map(|(id, host, port, user)| {
+                (
+                    SshConnectionId(id),
+                    SerializedSshConnection { host, port, user },
+                )
+            })
+            .collect())
     }
 
     query! {
-        fn ssh_project(id: u64) -> Result<SerializedSshProject> {
-            SELECT id, host, port, paths, user
-            FROM ssh_projects
+        pub fn ssh_connections_query() -> Result<Vec<(u64, String, Option<u16>, Option<String>)>> {
+            SELECT id, host, port, user
+            FROM ssh_connections
+        }
+    }
+
+    pub(crate) fn ssh_connection(&self, id: SshConnectionId) -> Result<SerializedSshConnection> {
+        let row = self.ssh_connection_query(id.0)?;
+        Ok(SerializedSshConnection {
+            host: row.0,
+            port: row.1,
+            user: row.2,
+        })
+    }
+
+    query! {
+        fn ssh_connection_query(id: u64) -> Result<(String, Option<u16>, Option<String>)> {
+            SELECT host, port, user
+            FROM ssh_connections
             WHERE id = ?
         }
     }
@@ -1023,7 +1079,7 @@ impl WorkspaceDb {
                 display,
                 window_state, window_x, window_y, window_width, window_height
                 FROM workspaces
-                WHERE local_paths
+                WHERE paths
                 IS NOT NULL
                 ORDER BY timestamp DESC
                 LIMIT 1
@@ -1040,46 +1096,33 @@ impl WorkspaceDb {
         }
     }
 
-    pub async fn delete_workspace_by_dev_server_project_id(
-        &self,
-        id: DevServerProjectId,
-    ) -> Result<()> {
-        self.write(move |conn| {
-            conn.exec_bound(sql!(
-                DELETE FROM dev_server_projects WHERE id = ?
-            ))?(id.0)?;
-            conn.exec_bound(sql!(
-                DELETE FROM toolchains WHERE workspace_id = ?1;
-                DELETE FROM workspaces
-                WHERE dev_server_project_id IS ?
-            ))?(id.0)
-        })
-        .await
-    }
-
     // Returns the recent locations which are still valid on disk and deletes ones which no longer
     // exist.
     pub async fn recent_workspaces_on_disk(
         &self,
-    ) -> Result<Vec<(WorkspaceId, SerializedWorkspaceLocation)>> {
+    ) -> Result<Vec<(WorkspaceId, SerializedWorkspaceLocation, PathList)>> {
         let mut result = Vec::new();
         let mut delete_tasks = Vec::new();
-        let ssh_projects = self.ssh_projects()?;
+        let ssh_connections = self.ssh_connections()?;
 
-        for (id, location, order, ssh_project_id) in self.recent_workspaces()? {
-            if let Some(ssh_project_id) = ssh_project_id.map(SshProjectId) {
-                if let Some(ssh_project) = ssh_projects.iter().find(|rp| rp.id == ssh_project_id) {
-                    result.push((id, SerializedWorkspaceLocation::Ssh(ssh_project.clone())));
+        for (id, paths, ssh_connection_id) in self.recent_workspaces()? {
+            if let Some(ssh_connection_id) = ssh_connection_id.map(SshConnectionId) {
+                if let Some(ssh_connection) = ssh_connections.get(&ssh_connection_id) {
+                    result.push((
+                        id,
+                        SerializedWorkspaceLocation::Ssh(ssh_connection.clone()),
+                        paths,
+                    ));
                 } else {
                     delete_tasks.push(self.delete_workspace_by_id(id));
                 }
                 continue;
             }
 
-            if location.paths().iter().all(|path| path.exists())
-                && location.paths().iter().any(|path| path.is_dir())
+            if paths.paths().iter().all(|path| path.exists())
+                && paths.paths().iter().any(|path| path.is_dir())
             {
-                result.push((id, SerializedWorkspaceLocation::Local(location, order)));
+                result.push((id, SerializedWorkspaceLocation::Local, paths));
             } else {
                 delete_tasks.push(self.delete_workspace_by_id(id));
             }
@@ -1089,13 +1132,13 @@ impl WorkspaceDb {
         Ok(result)
     }
 
-    pub async fn last_workspace(&self) -> Result<Option<SerializedWorkspaceLocation>> {
+    pub async fn last_workspace(&self) -> Result<Option<(SerializedWorkspaceLocation, PathList)>> {
         Ok(self
             .recent_workspaces_on_disk()
             .await?
             .into_iter()
             .next()
-            .map(|(_, location)| location))
+            .map(|(_, location, paths)| (location, paths)))
     }
 
     // Returns the locations of the workspaces that were still opened when the last
@@ -1106,25 +1149,31 @@ impl WorkspaceDb {
         &self,
         last_session_id: &str,
         last_session_window_stack: Option<Vec<WindowId>>,
-    ) -> Result<Vec<SerializedWorkspaceLocation>> {
+    ) -> Result<Vec<(SerializedWorkspaceLocation, PathList)>> {
         let mut workspaces = Vec::new();
 
-        for (location, order, window_id, ssh_project_id) in
+        for (paths, window_id, ssh_connection_id) in
             self.session_workspaces(last_session_id.to_owned())?
         {
-            if let Some(ssh_project_id) = ssh_project_id {
-                let location = SerializedWorkspaceLocation::Ssh(self.ssh_project(ssh_project_id)?);
-                workspaces.push((location, window_id.map(WindowId::from)));
-            } else if location.paths().iter().all(|path| path.exists())
-                && location.paths().iter().any(|path| path.is_dir())
+            if let Some(ssh_connection_id) = ssh_connection_id {
+                workspaces.push((
+                    SerializedWorkspaceLocation::Ssh(self.ssh_connection(ssh_connection_id)?),
+                    paths,
+                    window_id.map(WindowId::from),
+                ));
+            } else if paths.paths().iter().all(|path| path.exists())
+                && paths.paths().iter().any(|path| path.is_dir())
             {
-                let location = SerializedWorkspaceLocation::Local(location, order);
-                workspaces.push((location, window_id.map(WindowId::from)));
+                workspaces.push((
+                    SerializedWorkspaceLocation::Local,
+                    paths,
+                    window_id.map(WindowId::from),
+                ));
             }
         }
 
         if let Some(stack) = last_session_window_stack {
-            workspaces.sort_by_key(|(_, window_id)| {
+            workspaces.sort_by_key(|(_, _, window_id)| {
                 window_id
                     .and_then(|id| stack.iter().position(|&order_id| order_id == id))
                     .unwrap_or(usize::MAX)
@@ -1133,7 +1182,7 @@ impl WorkspaceDb {
 
         Ok(workspaces
             .into_iter()
-            .map(|(paths, _)| paths)
+            .map(|(location, paths, _)| (location, paths))
             .collect::<Vec<_>>())
     }
 
@@ -1428,12 +1477,12 @@ impl WorkspaceDb {
         self.write(move |conn| {
             let mut insert = conn
                 .exec_bound(sql!(
-                    INSERT INTO toolchains(workspace_id, worktree_id, relative_worktree_path, language_name, name, path) VALUES (?, ?, ?, ?, ?,  ?)
+                    INSERT INTO toolchains(workspace_id, worktree_id, relative_worktree_path, language_name, name, path, raw_json) VALUES (?, ?, ?, ?, ?,  ?, ?)
                     ON CONFLICT DO
                     UPDATE SET
                         name = ?5,
-                        path = ?6
-
+                        path = ?6,
+                        raw_json = ?7
                 ))
                 .context("Preparing insertion")?;
 
@@ -1444,6 +1493,7 @@ impl WorkspaceDb {
                 toolchain.language_name.as_ref(),
                 toolchain.name.as_ref(),
                 toolchain.path.as_ref(),
+                toolchain.as_json.to_string(),
             ))?;
 
             Ok(())
@@ -1484,13 +1534,13 @@ pub fn delete_unloaded_items(
 
 #[cfg(test)]
 mod tests {
-    use std::thread;
-    use std::time::Duration;
-
     use super::*;
-    use crate::persistence::model::SerializedWorkspace;
-    use crate::persistence::model::{SerializedItem, SerializedPane, SerializedPaneGroup};
+    use crate::persistence::model::{
+        SerializedItem, SerializedPane, SerializedPaneGroup, SerializedWorkspace,
+    };
     use gpui;
+    use pretty_assertions::assert_eq;
+    use std::{thread, time::Duration};
 
     #[gpui::test]
     async fn test_breakpoints() {
@@ -1543,7 +1593,8 @@ mod tests {
 
         let workspace = SerializedWorkspace {
             id,
-            location: SerializedWorkspaceLocation::from_local_paths(["/tmp"]),
+            paths: PathList::new(&["/tmp"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -1696,7 +1747,8 @@ mod tests {
 
         let workspace = SerializedWorkspace {
             id,
-            location: SerializedWorkspaceLocation::from_local_paths(["/tmp"]),
+            paths: PathList::new(&["/tmp"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -1742,7 +1794,8 @@ mod tests {
 
         let workspace_without_breakpoint = SerializedWorkspace {
             id,
-            location: SerializedWorkspaceLocation::from_local_paths(["/tmp"]),
+            paths: PathList::new(&["/tmp"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -1781,6 +1834,7 @@ mod tests {
                         ON DELETE CASCADE
                     ) STRICT;
                 )],
+                |_, _, _| false,
             )
             .unwrap();
         })
@@ -1829,6 +1883,7 @@ mod tests {
                                 REFERENCES workspaces(workspace_id)
                             ON DELETE CASCADE
                         ) STRICT;)],
+                |_, _, _| false,
             )
         })
         .await
@@ -1836,7 +1891,8 @@ mod tests {
 
         let mut workspace_1 = SerializedWorkspace {
             id: WorkspaceId(1),
-            location: SerializedWorkspaceLocation::from_local_paths(["/tmp", "/tmp2"]),
+            paths: PathList::new(&["/tmp", "/tmp2"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -1849,7 +1905,8 @@ mod tests {
 
         let workspace_2 = SerializedWorkspace {
             id: WorkspaceId(2),
-            location: SerializedWorkspaceLocation::from_local_paths(["/tmp"]),
+            paths: PathList::new(&["/tmp"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -1878,7 +1935,7 @@ mod tests {
         })
         .await;
 
-        workspace_1.location = SerializedWorkspaceLocation::from_local_paths(["/tmp", "/tmp3"]);
+        workspace_1.paths = PathList::new(&["/tmp", "/tmp3"]);
         db.save_workspace(workspace_1.clone()).await;
         db.save_workspace(workspace_1).await;
         db.save_workspace(workspace_2).await;
@@ -1954,10 +2011,8 @@ mod tests {
 
         let workspace = SerializedWorkspace {
             id: WorkspaceId(5),
-            location: SerializedWorkspaceLocation::Local(
-                LocalPaths::new(["/tmp", "/tmp2"]),
-                LocalPathsOrder::new([1, 0]),
-            ),
+            paths: PathList::new(&["/tmp", "/tmp2"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group,
             window_bounds: Default::default(),
             breakpoints: Default::default(),
@@ -1989,10 +2044,8 @@ mod tests {
 
         let workspace_1 = SerializedWorkspace {
             id: WorkspaceId(1),
-            location: SerializedWorkspaceLocation::Local(
-                LocalPaths::new(["/tmp", "/tmp2"]),
-                LocalPathsOrder::new([0, 1]),
-            ),
+            paths: PathList::new(&["/tmp", "/tmp2"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             breakpoints: Default::default(),
@@ -2005,7 +2058,8 @@ mod tests {
 
         let mut workspace_2 = SerializedWorkspace {
             id: WorkspaceId(2),
-            location: SerializedWorkspaceLocation::from_local_paths(["/tmp"]),
+            paths: PathList::new(&["/tmp"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -2034,7 +2088,7 @@ mod tests {
         assert_eq!(db.workspace_for_roots(&["/tmp3", "/tmp2", "/tmp4"]), None);
 
         // Test 'mutate' case of updating a pre-existing id
-        workspace_2.location = SerializedWorkspaceLocation::from_local_paths(["/tmp", "/tmp2"]);
+        workspace_2.paths = PathList::new(&["/tmp", "/tmp2"]);
 
         db.save_workspace(workspace_2.clone()).await;
         assert_eq!(
@@ -2045,10 +2099,8 @@ mod tests {
         // Test other mechanism for mutating
         let mut workspace_3 = SerializedWorkspace {
             id: WorkspaceId(3),
-            location: SerializedWorkspaceLocation::Local(
-                LocalPaths::new(["/tmp", "/tmp2"]),
-                LocalPathsOrder::new([1, 0]),
-            ),
+            paths: PathList::new(&["/tmp2", "/tmp"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             breakpoints: Default::default(),
@@ -2066,8 +2118,7 @@ mod tests {
         );
 
         // Make sure that updating paths differently also works
-        workspace_3.location =
-            SerializedWorkspaceLocation::from_local_paths(["/tmp3", "/tmp4", "/tmp2"]);
+        workspace_3.paths = PathList::new(&["/tmp3", "/tmp4", "/tmp2"]);
         db.save_workspace(workspace_3.clone()).await;
         assert_eq!(db.workspace_for_roots(&["/tmp2", "tmp"]), None);
         assert_eq!(
@@ -2085,7 +2136,8 @@ mod tests {
 
         let workspace_1 = SerializedWorkspace {
             id: WorkspaceId(1),
-            location: SerializedWorkspaceLocation::from_local_paths(["/tmp1"]),
+            paths: PathList::new(&["/tmp1"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -2098,7 +2150,8 @@ mod tests {
 
         let workspace_2 = SerializedWorkspace {
             id: WorkspaceId(2),
-            location: SerializedWorkspaceLocation::from_local_paths(["/tmp2"]),
+            paths: PathList::new(&["/tmp2"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -2111,7 +2164,8 @@ mod tests {
 
         let workspace_3 = SerializedWorkspace {
             id: WorkspaceId(3),
-            location: SerializedWorkspaceLocation::from_local_paths(["/tmp3"]),
+            paths: PathList::new(&["/tmp3"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -2124,7 +2178,8 @@ mod tests {
 
         let workspace_4 = SerializedWorkspace {
             id: WorkspaceId(4),
-            location: SerializedWorkspaceLocation::from_local_paths(["/tmp4"]),
+            paths: PathList::new(&["/tmp4"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -2135,14 +2190,15 @@ mod tests {
             window_id: None,
         };
 
-        let ssh_project = db
-            .get_or_create_ssh_project("my-host".to_string(), Some(1234), vec![], None)
+        let connection_id = db
+            .get_or_create_ssh_connection("my-host".to_string(), Some(1234), None)
             .await
             .unwrap();
 
         let workspace_5 = SerializedWorkspace {
             id: WorkspaceId(5),
-            location: SerializedWorkspaceLocation::Ssh(ssh_project.clone()),
+            paths: PathList::default(),
+            location: SerializedWorkspaceLocation::Ssh(db.ssh_connection(connection_id).unwrap()),
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -2155,10 +2211,8 @@ mod tests {
 
         let workspace_6 = SerializedWorkspace {
             id: WorkspaceId(6),
-            location: SerializedWorkspaceLocation::Local(
-                LocalPaths::new(["/tmp6a", "/tmp6b", "/tmp6c"]),
-                LocalPathsOrder::new([2, 1, 0]),
-            ),
+            paths: PathList::new(&["/tmp6a", "/tmp6b", "/tmp6c"]),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             breakpoints: Default::default(),
@@ -2180,41 +2234,36 @@ mod tests {
 
         let locations = db.session_workspaces("session-id-1".to_owned()).unwrap();
         assert_eq!(locations.len(), 2);
-        assert_eq!(locations[0].0, LocalPaths::new(["/tmp2"]));
-        assert_eq!(locations[0].1, LocalPathsOrder::new([0]));
-        assert_eq!(locations[0].2, Some(20));
-        assert_eq!(locations[1].0, LocalPaths::new(["/tmp1"]));
-        assert_eq!(locations[1].1, LocalPathsOrder::new([0]));
-        assert_eq!(locations[1].2, Some(10));
+        assert_eq!(locations[0].0, PathList::new(&["/tmp2"]));
+        assert_eq!(locations[0].1, Some(20));
+        assert_eq!(locations[1].0, PathList::new(&["/tmp1"]));
+        assert_eq!(locations[1].1, Some(10));
 
         let locations = db.session_workspaces("session-id-2".to_owned()).unwrap();
         assert_eq!(locations.len(), 2);
-        let empty_paths: Vec<&str> = Vec::new();
-        assert_eq!(locations[0].0, LocalPaths::new(empty_paths.iter()));
-        assert_eq!(locations[0].1, LocalPathsOrder::new([]));
-        assert_eq!(locations[0].2, Some(50));
-        assert_eq!(locations[0].3, Some(ssh_project.id.0));
-        assert_eq!(locations[1].0, LocalPaths::new(["/tmp3"]));
-        assert_eq!(locations[1].1, LocalPathsOrder::new([0]));
-        assert_eq!(locations[1].2, Some(30));
+        assert_eq!(locations[0].0, PathList::default());
+        assert_eq!(locations[0].1, Some(50));
+        assert_eq!(locations[0].2, Some(connection_id));
+        assert_eq!(locations[1].0, PathList::new(&["/tmp3"]));
+        assert_eq!(locations[1].1, Some(30));
 
         let locations = db.session_workspaces("session-id-3".to_owned()).unwrap();
         assert_eq!(locations.len(), 1);
         assert_eq!(
             locations[0].0,
-            LocalPaths::new(["/tmp6a", "/tmp6b", "/tmp6c"]),
+            PathList::new(&["/tmp6a", "/tmp6b", "/tmp6c"]),
         );
-        assert_eq!(locations[0].1, LocalPathsOrder::new([2, 1, 0]));
-        assert_eq!(locations[0].2, Some(60));
+        assert_eq!(locations[0].1, Some(60));
     }
 
     fn default_workspace<P: AsRef<Path>>(
-        workspace_id: &[P],
+        paths: &[P],
         center_group: &SerializedPaneGroup,
     ) -> SerializedWorkspace {
         SerializedWorkspace {
             id: WorkspaceId(4),
-            location: SerializedWorkspaceLocation::from_local_paths(workspace_id),
+            paths: PathList::new(paths),
+            location: SerializedWorkspaceLocation::Local,
             center_group: center_group.clone(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -2237,30 +2286,18 @@ mod tests {
             WorkspaceDb::open_test_db("test_serializing_workspaces_last_session_workspaces").await;
 
         let workspaces = [
-            (1, vec![dir1.path()], vec![0], 9),
-            (2, vec![dir2.path()], vec![0], 5),
-            (3, vec![dir3.path()], vec![0], 8),
-            (4, vec![dir4.path()], vec![0], 2),
-            (
-                5,
-                vec![dir1.path(), dir2.path(), dir3.path()],
-                vec![0, 1, 2],
-                3,
-            ),
-            (
-                6,
-                vec![dir2.path(), dir3.path(), dir4.path()],
-                vec![2, 1, 0],
-                4,
-            ),
+            (1, vec![dir1.path()], 9),
+            (2, vec![dir2.path()], 5),
+            (3, vec![dir3.path()], 8),
+            (4, vec![dir4.path()], 2),
+            (5, vec![dir1.path(), dir2.path(), dir3.path()], 3),
+            (6, vec![dir4.path(), dir3.path(), dir2.path()], 4),
         ]
         .into_iter()
-        .map(|(id, locations, order, window_id)| SerializedWorkspace {
+        .map(|(id, paths, window_id)| SerializedWorkspace {
             id: WorkspaceId(id),
-            location: SerializedWorkspaceLocation::Local(
-                LocalPaths::new(locations),
-                LocalPathsOrder::new(order),
-            ),
+            paths: PathList::new(paths.as_slice()),
+            location: SerializedWorkspaceLocation::Local,
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -2285,39 +2322,37 @@ mod tests {
             WindowId::from(4), // Bottom
         ]));
 
-        let have = db
+        let locations = db
             .last_session_workspace_locations("one-session", stack)
             .unwrap();
-        assert_eq!(have.len(), 6);
         assert_eq!(
-            have[0],
-            SerializedWorkspaceLocation::from_local_paths(&[dir4.path()])
-        );
-        assert_eq!(
-            have[1],
-            SerializedWorkspaceLocation::from_local_paths([dir3.path()])
-        );
-        assert_eq!(
-            have[2],
-            SerializedWorkspaceLocation::from_local_paths([dir2.path()])
-        );
-        assert_eq!(
-            have[3],
-            SerializedWorkspaceLocation::from_local_paths([dir1.path()])
-        );
-        assert_eq!(
-            have[4],
-            SerializedWorkspaceLocation::Local(
-                LocalPaths::new([dir1.path(), dir2.path(), dir3.path()]),
-                LocalPathsOrder::new([0, 1, 2]),
-            ),
-        );
-        assert_eq!(
-            have[5],
-            SerializedWorkspaceLocation::Local(
-                LocalPaths::new([dir2.path(), dir3.path(), dir4.path()]),
-                LocalPathsOrder::new([2, 1, 0]),
-            ),
+            locations,
+            [
+                (
+                    SerializedWorkspaceLocation::Local,
+                    PathList::new(&[dir4.path()])
+                ),
+                (
+                    SerializedWorkspaceLocation::Local,
+                    PathList::new(&[dir3.path()])
+                ),
+                (
+                    SerializedWorkspaceLocation::Local,
+                    PathList::new(&[dir2.path()])
+                ),
+                (
+                    SerializedWorkspaceLocation::Local,
+                    PathList::new(&[dir1.path()])
+                ),
+                (
+                    SerializedWorkspaceLocation::Local,
+                    PathList::new(&[dir1.path(), dir2.path(), dir3.path()])
+                ),
+                (
+                    SerializedWorkspaceLocation::Local,
+                    PathList::new(&[dir4.path(), dir3.path(), dir2.path()])
+                ),
+            ]
         );
     }
 
@@ -2328,7 +2363,7 @@ mod tests {
         )
         .await;
 
-        let ssh_projects = [
+        let ssh_connections = [
             ("host-1", "my-user-1"),
             ("host-2", "my-user-2"),
             ("host-3", "my-user-3"),
@@ -2336,24 +2371,30 @@ mod tests {
         ]
         .into_iter()
         .map(|(host, user)| async {
-            db.get_or_create_ssh_project(host.to_string(), None, vec![], Some(user.to_string()))
+            db.get_or_create_ssh_connection(host.to_string(), None, Some(user.to_string()))
                 .await
-                .unwrap()
+                .unwrap();
+            SerializedSshConnection {
+                host: host.into(),
+                port: None,
+                user: Some(user.into()),
+            }
         })
         .collect::<Vec<_>>();
 
-        let ssh_projects = futures::future::join_all(ssh_projects).await;
+        let ssh_connections = futures::future::join_all(ssh_connections).await;
 
         let workspaces = [
-            (1, ssh_projects[0].clone(), 9),
-            (2, ssh_projects[1].clone(), 5),
-            (3, ssh_projects[2].clone(), 8),
-            (4, ssh_projects[3].clone(), 2),
+            (1, ssh_connections[0].clone(), 9),
+            (2, ssh_connections[1].clone(), 5),
+            (3, ssh_connections[2].clone(), 8),
+            (4, ssh_connections[3].clone(), 2),
         ]
         .into_iter()
-        .map(|(id, ssh_project, window_id)| SerializedWorkspace {
+        .map(|(id, ssh_connection, window_id)| SerializedWorkspace {
             id: WorkspaceId(id),
-            location: SerializedWorkspaceLocation::Ssh(ssh_project),
+            paths: PathList::default(),
+            location: SerializedWorkspaceLocation::Ssh(ssh_connection),
             center_group: Default::default(),
             window_bounds: Default::default(),
             display: Default::default(),
@@ -2382,19 +2423,31 @@ mod tests {
         assert_eq!(have.len(), 4);
         assert_eq!(
             have[0],
-            SerializedWorkspaceLocation::Ssh(ssh_projects[3].clone())
+            (
+                SerializedWorkspaceLocation::Ssh(ssh_connections[3].clone()),
+                PathList::default()
+            )
         );
         assert_eq!(
             have[1],
-            SerializedWorkspaceLocation::Ssh(ssh_projects[2].clone())
+            (
+                SerializedWorkspaceLocation::Ssh(ssh_connections[2].clone()),
+                PathList::default()
+            )
         );
         assert_eq!(
             have[2],
-            SerializedWorkspaceLocation::Ssh(ssh_projects[1].clone())
+            (
+                SerializedWorkspaceLocation::Ssh(ssh_connections[1].clone()),
+                PathList::default()
+            )
         );
         assert_eq!(
             have[3],
-            SerializedWorkspaceLocation::Ssh(ssh_projects[0].clone())
+            (
+                SerializedWorkspaceLocation::Ssh(ssh_connections[0].clone()),
+                PathList::default()
+            )
         );
     }
 
@@ -2402,116 +2455,110 @@ mod tests {
     async fn test_get_or_create_ssh_project() {
         let db = WorkspaceDb::open_test_db("test_get_or_create_ssh_project").await;
 
-        let (host, port, paths, user) = (
-            "example.com".to_string(),
-            Some(22_u16),
-            vec!["/home/user".to_string(), "/etc/nginx".to_string()],
-            Some("user".to_string()),
-        );
+        let host = "example.com".to_string();
+        let port = Some(22_u16);
+        let user = Some("user".to_string());
 
-        let project = db
-            .get_or_create_ssh_project(host.clone(), port, paths.clone(), user.clone())
+        let connection_id = db
+            .get_or_create_ssh_connection(host.clone(), port, user.clone())
             .await
             .unwrap();
 
-        assert_eq!(project.host, host);
-        assert_eq!(project.paths, paths);
-        assert_eq!(project.user, user);
-
         // Test that calling the function again with the same parameters returns the same project
-        let same_project = db
-            .get_or_create_ssh_project(host.clone(), port, paths.clone(), user.clone())
+        let same_connection = db
+            .get_or_create_ssh_connection(host.clone(), port, user.clone())
             .await
             .unwrap();
 
-        assert_eq!(project.id, same_project.id);
+        assert_eq!(connection_id, same_connection);
 
         // Test with different parameters
-        let (host2, paths2, user2) = (
-            "otherexample.com".to_string(),
-            vec!["/home/otheruser".to_string()],
-            Some("otheruser".to_string()),
-        );
+        let host2 = "otherexample.com".to_string();
+        let port2 = None;
+        let user2 = Some("otheruser".to_string());
 
-        let different_project = db
-            .get_or_create_ssh_project(host2.clone(), None, paths2.clone(), user2.clone())
+        let different_connection = db
+            .get_or_create_ssh_connection(host2.clone(), port2, user2.clone())
             .await
             .unwrap();
 
-        assert_ne!(project.id, different_project.id);
-        assert_eq!(different_project.host, host2);
-        assert_eq!(different_project.paths, paths2);
-        assert_eq!(different_project.user, user2);
+        assert_ne!(connection_id, different_connection);
     }
 
     #[gpui::test]
     async fn test_get_or_create_ssh_project_with_null_user() {
         let db = WorkspaceDb::open_test_db("test_get_or_create_ssh_project_with_null_user").await;
 
-        let (host, port, paths, user) = (
-            "example.com".to_string(),
-            None,
-            vec!["/home/user".to_string()],
-            None,
-        );
+        let (host, port, user) = ("example.com".to_string(), None, None);
 
-        let project = db
-            .get_or_create_ssh_project(host.clone(), port, paths.clone(), None)
+        let connection_id = db
+            .get_or_create_ssh_connection(host.clone(), port, None)
             .await
             .unwrap();
 
-        assert_eq!(project.host, host);
-        assert_eq!(project.paths, paths);
-        assert_eq!(project.user, None);
-
-        // Test that calling the function again with the same parameters returns the same project
-        let same_project = db
-            .get_or_create_ssh_project(host.clone(), port, paths.clone(), user.clone())
+        let same_connection_id = db
+            .get_or_create_ssh_connection(host.clone(), port, user.clone())
             .await
             .unwrap();
 
-        assert_eq!(project.id, same_project.id);
+        assert_eq!(connection_id, same_connection_id);
     }
 
     #[gpui::test]
-    async fn test_get_ssh_projects() {
-        let db = WorkspaceDb::open_test_db("test_get_ssh_projects").await;
+    async fn test_get_ssh_connections() {
+        let db = WorkspaceDb::open_test_db("test_get_ssh_connections").await;
 
-        let projects = vec![
-            (
-                "example.com".to_string(),
-                None,
-                vec!["/home/user".to_string()],
-                None,
-            ),
+        let connections = [
+            ("example.com".to_string(), None, None),
             (
                 "anotherexample.com".to_string(),
                 Some(123_u16),
-                vec!["/home/user2".to_string()],
                 Some("user2".to_string()),
             ),
-            (
-                "yetanother.com".to_string(),
-                Some(345_u16),
-                vec!["/home/user3".to_string(), "/proc/1234/exe".to_string()],
-                None,
-            ),
+            ("yetanother.com".to_string(), Some(345_u16), None),
         ];
 
-        for (host, port, paths, user) in projects.iter() {
-            let project = db
-                .get_or_create_ssh_project(host.clone(), *port, paths.clone(), user.clone())
-                .await
-                .unwrap();
-
-            assert_eq!(&project.host, host);
-            assert_eq!(&project.port, port);
-            assert_eq!(&project.paths, paths);
-            assert_eq!(&project.user, user);
+        let mut ids = Vec::new();
+        for (host, port, user) in connections.iter() {
+            ids.push(
+                db.get_or_create_ssh_connection(host.clone(), *port, user.clone())
+                    .await
+                    .unwrap(),
+            );
         }
 
-        let stored_projects = db.ssh_projects().unwrap();
-        assert_eq!(stored_projects.len(), projects.len());
+        let stored_projects = db.ssh_connections().unwrap();
+        assert_eq!(
+            stored_projects,
+            [
+                (
+                    ids[0],
+                    SerializedSshConnection {
+                        host: "example.com".into(),
+                        port: None,
+                        user: None,
+                    }
+                ),
+                (
+                    ids[1],
+                    SerializedSshConnection {
+                        host: "anotherexample.com".into(),
+                        port: Some(123),
+                        user: Some("user2".into()),
+                    }
+                ),
+                (
+                    ids[2],
+                    SerializedSshConnection {
+                        host: "yetanother.com".into(),
+                        port: Some(345),
+                        user: None,
+                    }
+                ),
+            ]
+            .into_iter()
+            .collect::<HashMap<_, _>>(),
+        );
     }
 
     #[gpui::test]
@@ -2644,56 +2691,4 @@ mod tests {
 
         assert_eq!(workspace.center_group, new_workspace.center_group);
     }
-
-    #[gpui::test]
-    async fn test_update_ssh_project_paths() {
-        zlog::init_test();
-
-        let db = WorkspaceDb::open_test_db("test_update_ssh_project_paths").await;
-
-        let (host, port, initial_paths, user) = (
-            "example.com".to_string(),
-            Some(22_u16),
-            vec!["/home/user".to_string(), "/etc/nginx".to_string()],
-            Some("user".to_string()),
-        );
-
-        let project = db
-            .get_or_create_ssh_project(host.clone(), port, initial_paths.clone(), user.clone())
-            .await
-            .unwrap();
-
-        assert_eq!(project.host, host);
-        assert_eq!(project.paths, initial_paths);
-        assert_eq!(project.user, user);
-
-        let new_paths = vec![
-            "/home/user".to_string(),
-            "/etc/nginx".to_string(),
-            "/var/log".to_string(),
-            "/opt/app".to_string(),
-        ];
-
-        let updated_project = db
-            .update_ssh_project_paths(project.id, new_paths.clone())
-            .await
-            .unwrap();
-
-        assert_eq!(updated_project.id, project.id);
-        assert_eq!(updated_project.paths, new_paths);
-
-        let retrieved_project = db
-            .get_ssh_project(
-                host.clone(),
-                port,
-                serde_json::to_string(&new_paths).unwrap(),
-                user.clone(),
-            )
-            .await
-            .unwrap()
-            .unwrap();
-
-        assert_eq!(retrieved_project.id, project.id);
-        assert_eq!(retrieved_project.paths, new_paths);
-    }
 }
diff --git a/crates/workspace/src/persistence/model.rs b/crates/workspace/src/persistence/model.rs
index 4a6b9ccdf4..04757d0495 100644
--- a/crates/workspace/src/persistence/model.rs
+++ b/crates/workspace/src/persistence/model.rs
@@ -1,256 +1,48 @@
 use super::{SerializedAxis, SerializedWindowBounds};
 use crate::{
     Member, Pane, PaneAxis, SerializableItemRegistry, Workspace, WorkspaceId, item::ItemHandle,
+    path_list::PathList,
 };
-use anyhow::{Context as _, Result};
+use anyhow::Result;
 use async_recursion::async_recursion;
 use db::sqlez::{
     bindable::{Bind, Column, StaticColumnCount},
     statement::Statement,
 };
 use gpui::{AsyncWindowContext, Entity, WeakEntity};
-use itertools::Itertools as _;
+
 use project::{Project, debugger::breakpoint_store::SourceBreakpoint};
-use remote::ssh_session::SshProjectId;
 use serde::{Deserialize, Serialize};
 use std::{
     collections::BTreeMap,
     path::{Path, PathBuf},
     sync::Arc,
 };
-use util::{ResultExt, paths::SanitizedPath};
+use util::ResultExt;
 use uuid::Uuid;
 
+#[derive(
+    Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, serde::Serialize, serde::Deserialize,
+)]
+pub(crate) struct SshConnectionId(pub u64);
+
 #[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
-pub struct SerializedSshProject {
-    pub id: SshProjectId,
+pub struct SerializedSshConnection {
     pub host: String,
     pub port: Option<u16>,
-    pub paths: Vec<String>,
     pub user: Option<String>,
 }
 
-impl SerializedSshProject {
-    pub fn ssh_urls(&self) -> Vec<PathBuf> {
-        self.paths
-            .iter()
-            .map(|path| {
-                let mut result = String::new();
-                if let Some(user) = &self.user {
-                    result.push_str(user);
-                    result.push('@');
-                }
-                result.push_str(&self.host);
-                if let Some(port) = &self.port {
-                    result.push(':');
-                    result.push_str(&port.to_string());
-                }
-                result.push_str(path);
-                PathBuf::from(result)
-            })
-            .collect()
-    }
-}
-
-impl StaticColumnCount for SerializedSshProject {
-    fn column_count() -> usize {
-        5
-    }
-}
-
-impl Bind for &SerializedSshProject {
-    fn bind(&self, statement: &Statement, start_index: i32) -> Result<i32> {
-        let next_index = statement.bind(&self.id.0, start_index)?;
-        let next_index = statement.bind(&self.host, next_index)?;
-        let next_index = statement.bind(&self.port, next_index)?;
-        let raw_paths = serde_json::to_string(&self.paths)?;
-        let next_index = statement.bind(&raw_paths, next_index)?;
-        statement.bind(&self.user, next_index)
-    }
-}
-
-impl Column for SerializedSshProject {
-    fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
-        let id = statement.column_int64(start_index)?;
-        let host = statement.column_text(start_index + 1)?.to_string();
-        let (port, _) = Option::<u16>::column(statement, start_index + 2)?;
-        let raw_paths = statement.column_text(start_index + 3)?.to_string();
-        let paths: Vec<String> = serde_json::from_str(&raw_paths)?;
-
-        let (user, _) = Option::<String>::column(statement, start_index + 4)?;
-
-        Ok((
-            Self {
-                id: SshProjectId(id as u64),
-                host,
-                port,
-                paths,
-                user,
-            },
-            start_index + 5,
-        ))
-    }
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct LocalPaths(Arc<Vec<PathBuf>>);
-
-impl LocalPaths {
-    pub fn new<P: AsRef<Path>>(paths: impl IntoIterator<Item = P>) -> Self {
-        let mut paths: Vec<PathBuf> = paths
-            .into_iter()
-            .map(|p| SanitizedPath::from(p).into())
-            .collect();
-        // Ensure all future `zed workspace1 workspace2` and `zed workspace2 workspace1` calls are using the same workspace.
-        // The actual workspace order is stored in the `LocalPathsOrder` struct.
-        paths.sort();
-        Self(Arc::new(paths))
-    }
-
-    pub fn paths(&self) -> &Arc<Vec<PathBuf>> {
-        &self.0
-    }
-}
-
-impl StaticColumnCount for LocalPaths {}
-impl Bind for &LocalPaths {
-    fn bind(&self, statement: &Statement, start_index: i32) -> Result<i32> {
-        statement.bind(&bincode::serialize(&self.0)?, start_index)
-    }
-}
-
-impl Column for LocalPaths {
-    fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
-        let path_blob = statement.column_blob(start_index)?;
-        let paths: Arc<Vec<PathBuf>> = if path_blob.is_empty() {
-            Default::default()
-        } else {
-            bincode::deserialize(path_blob).context("Bincode deserialization of paths failed")?
-        };
-
-        Ok((Self(paths), start_index + 1))
-    }
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct LocalPathsOrder(Vec<usize>);
-
-impl LocalPathsOrder {
-    pub fn new(order: impl IntoIterator<Item = usize>) -> Self {
-        Self(order.into_iter().collect())
-    }
-
-    pub fn order(&self) -> &[usize] {
-        self.0.as_slice()
-    }
-
-    pub fn default_for_paths(paths: &LocalPaths) -> Self {
-        Self::new(0..paths.0.len())
-    }
-}
-
-impl StaticColumnCount for LocalPathsOrder {}
-impl Bind for &LocalPathsOrder {
-    fn bind(&self, statement: &Statement, start_index: i32) -> Result<i32> {
-        statement.bind(&bincode::serialize(&self.0)?, start_index)
-    }
-}
-
-impl Column for LocalPathsOrder {
-    fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
-        let order_blob = statement.column_blob(start_index)?;
-        let order = if order_blob.is_empty() {
-            Vec::new()
-        } else {
-            bincode::deserialize(order_blob).context("deserializing workspace root order")?
-        };
-
-        Ok((Self(order), start_index + 1))
-    }
-}
-
 #[derive(Debug, PartialEq, Clone)]
 pub enum SerializedWorkspaceLocation {
-    Local(LocalPaths, LocalPathsOrder),
-    Ssh(SerializedSshProject),
+    Local,
+    Ssh(SerializedSshConnection),
 }
 
 impl SerializedWorkspaceLocation {
-    /// Create a new `SerializedWorkspaceLocation` from a list of local paths.
-    ///
-    /// The paths will be sorted and the order will be stored in the `LocalPathsOrder` struct.
-    ///
-    /// # Examples
-    ///
-    /// ```
-    /// use std::path::Path;
-    /// use zed_workspace::SerializedWorkspaceLocation;
-    ///
-    /// let location = SerializedWorkspaceLocation::from_local_paths(vec![
-    ///     Path::new("path/to/workspace1"),
-    ///     Path::new("path/to/workspace2"),
-    /// ]);
-    /// assert_eq!(location, SerializedWorkspaceLocation::Local(
-    ///    LocalPaths::new(vec![
-    ///         Path::new("path/to/workspace1"),
-    ///         Path::new("path/to/workspace2"),
-    ///    ]),
-    ///   LocalPathsOrder::new(vec![0, 1]),
-    /// ));
-    /// ```
-    ///
-    /// ```
-    /// use std::path::Path;
-    /// use zed_workspace::SerializedWorkspaceLocation;
-    ///
-    /// let location = SerializedWorkspaceLocation::from_local_paths(vec![
-    ///     Path::new("path/to/workspace2"),
-    ///     Path::new("path/to/workspace1"),
-    /// ]);
-    ///
-    /// assert_eq!(location, SerializedWorkspaceLocation::Local(
-    ///    LocalPaths::new(vec![
-    ///         Path::new("path/to/workspace1"),
-    ///         Path::new("path/to/workspace2"),
-    ///   ]),
-    ///  LocalPathsOrder::new(vec![1, 0]),
-    /// ));
-    /// ```
-    pub fn from_local_paths<P: AsRef<Path>>(paths: impl IntoIterator<Item = P>) -> Self {
-        let mut indexed_paths: Vec<_> = paths
-            .into_iter()
-            .map(|p| p.as_ref().to_path_buf())
-            .enumerate()
-            .collect();
-
-        indexed_paths.sort_by(|(_, a), (_, b)| a.cmp(b));
-
-        let sorted_paths: Vec<_> = indexed_paths.iter().map(|(_, path)| path.clone()).collect();
-        let order: Vec<_> = indexed_paths.iter().map(|(index, _)| *index).collect();
-
-        Self::Local(LocalPaths::new(sorted_paths), LocalPathsOrder::new(order))
-    }
-
     /// Get sorted paths
     pub fn sorted_paths(&self) -> Arc<Vec<PathBuf>> {
-        match self {
-            SerializedWorkspaceLocation::Local(paths, order) => {
-                if order.order().len() == 0 {
-                    paths.paths().clone()
-                } else {
-                    Arc::new(
-                        order
-                            .order()
-                            .iter()
-                            .zip(paths.paths().iter())
-                            .sorted_by_key(|(i, _)| **i)
-                            .map(|(_, p)| p.clone())
-                            .collect(),
-                    )
-                }
-            }
-            SerializedWorkspaceLocation::Ssh(ssh_project) => Arc::new(ssh_project.ssh_urls()),
-        }
+        unimplemented!()
     }
 }
 
@@ -258,6 +50,7 @@ impl SerializedWorkspaceLocation {
 pub(crate) struct SerializedWorkspace {
     pub(crate) id: WorkspaceId,
     pub(crate) location: SerializedWorkspaceLocation,
+    pub(crate) paths: PathList,
     pub(crate) center_group: SerializedPaneGroup,
     pub(crate) window_bounds: Option<SerializedWindowBounds>,
     pub(crate) centered_layout: bool,
@@ -581,80 +374,3 @@ impl Column for SerializedItem {
         ))
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_serialize_local_paths() {
-        let paths = vec!["b", "a", "c"];
-        let serialized = SerializedWorkspaceLocation::from_local_paths(paths);
-
-        assert_eq!(
-            serialized,
-            SerializedWorkspaceLocation::Local(
-                LocalPaths::new(vec!["a", "b", "c"]),
-                LocalPathsOrder::new(vec![1, 0, 2])
-            )
-        );
-    }
-
-    #[test]
-    fn test_sorted_paths() {
-        let paths = vec!["b", "a", "c"];
-        let serialized = SerializedWorkspaceLocation::from_local_paths(paths);
-        assert_eq!(
-            serialized.sorted_paths(),
-            Arc::new(vec![
-                PathBuf::from("b"),
-                PathBuf::from("a"),
-                PathBuf::from("c"),
-            ])
-        );
-
-        let paths = Arc::new(vec![
-            PathBuf::from("a"),
-            PathBuf::from("b"),
-            PathBuf::from("c"),
-        ]);
-        let order = vec![2, 0, 1];
-        let serialized =
-            SerializedWorkspaceLocation::Local(LocalPaths(paths.clone()), LocalPathsOrder(order));
-        assert_eq!(
-            serialized.sorted_paths(),
-            Arc::new(vec![
-                PathBuf::from("b"),
-                PathBuf::from("c"),
-                PathBuf::from("a"),
-            ])
-        );
-
-        let paths = Arc::new(vec![
-            PathBuf::from("a"),
-            PathBuf::from("b"),
-            PathBuf::from("c"),
-        ]);
-        let order = vec![];
-        let serialized =
-            SerializedWorkspaceLocation::Local(LocalPaths(paths.clone()), LocalPathsOrder(order));
-        assert_eq!(serialized.sorted_paths(), paths);
-
-        let urls = ["/a", "/b", "/c"];
-        let serialized = SerializedWorkspaceLocation::Ssh(SerializedSshProject {
-            id: SshProjectId(0),
-            host: "host".to_string(),
-            port: Some(22),
-            paths: urls.iter().map(|s| s.to_string()).collect(),
-            user: Some("user".to_string()),
-        });
-        assert_eq!(
-            serialized.sorted_paths(),
-            Arc::new(
-                urls.iter()
-                    .map(|p| PathBuf::from(format!("user@host:22{}", p)))
-                    .collect()
-            )
-        );
-    }
-}
diff --git a/crates/workspace/src/searchable.rs b/crates/workspace/src/searchable.rs
index e89e949f16..b21ba7a4b1 100644
--- a/crates/workspace/src/searchable.rs
+++ b/crates/workspace/src/searchable.rs
@@ -371,13 +371,13 @@ impl<T: SearchableItem> SearchableItemHandle for Entity<T> {
 
 impl From<Box<dyn SearchableItemHandle>> for AnyView {
     fn from(this: Box<dyn SearchableItemHandle>) -> Self {
-        this.to_any().clone()
+        this.to_any()
     }
 }
 
 impl From<&Box<dyn SearchableItemHandle>> for AnyView {
     fn from(this: &Box<dyn SearchableItemHandle>) -> Self {
-        this.to_any().clone()
+        this.to_any()
     }
 }
 
diff --git a/crates/workspace/src/shared_screen.rs b/crates/workspace/src/shared_screen.rs
index febb83d683..d77be8ed76 100644
--- a/crates/workspace/src/shared_screen.rs
+++ b/crates/workspace/src/shared_screen.rs
@@ -33,13 +33,12 @@ impl SharedScreen {
         cx: &mut Context<Self>,
     ) -> Self {
         let my_sid = track.sid();
-        cx.subscribe(&room, move |_, _, ev, cx| match ev {
-            call::room::Event::RemoteVideoTrackUnsubscribed { sid } => {
-                if sid == &my_sid {
-                    cx.emit(Event::Close)
-                }
+        cx.subscribe(&room, move |_, _, ev, cx| {
+            if let call::room::Event::RemoteVideoTrackUnsubscribed { sid } = ev
+                && sid == &my_sid
+            {
+                cx.emit(Event::Close)
             }
-            _ => {}
         })
         .detach();
 
diff --git a/crates/workspace/src/status_bar.rs b/crates/workspace/src/status_bar.rs
index edeb382de7..187e720d9c 100644
--- a/crates/workspace/src/status_bar.rs
+++ b/crates/workspace/src/status_bar.rs
@@ -108,7 +108,7 @@ impl StatusBar {
         self.left_items
             .iter()
             .chain(self.right_items.iter())
-            .find_map(|item| item.to_any().clone().downcast().log_err())
+            .find_map(|item| item.to_any().downcast().log_err())
     }
 
     pub fn position_of_item<T>(&self) -> Option<usize>
@@ -217,6 +217,6 @@ impl<T: StatusItemView> StatusItemViewHandle for Entity<T> {
 
 impl From<&dyn StatusItemViewHandle> for AnyView {
     fn from(val: &dyn StatusItemViewHandle) -> Self {
-        val.to_any().clone()
+        val.to_any()
     }
 }
diff --git a/crates/workspace/src/theme_preview.rs b/crates/workspace/src/theme_preview.rs
index 03164e0a64..09a5415ca0 100644
--- a/crates/workspace/src/theme_preview.rs
+++ b/crates/workspace/src/theme_preview.rs
@@ -303,7 +303,6 @@ impl ThemePreview {
                     .gap_1()
                     .children(all_colors.into_iter().map(|(color, name)| {
                         let id = ElementId::Name(format!("{:?}-preview", color).into());
-                        let name = name.clone();
                         div().size_8().flex_none().child(
                             ButtonLike::new(id)
                                 .child(
diff --git a/crates/workspace/src/toast_layer.rs b/crates/workspace/src/toast_layer.rs
index 28be3e7e47..5157945548 100644
--- a/crates/workspace/src/toast_layer.rs
+++ b/crates/workspace/src/toast_layer.rs
@@ -3,7 +3,7 @@ use std::{
     time::{Duration, Instant},
 };
 
-use gpui::{AnyView, DismissEvent, Entity, FocusHandle, ManagedView, Subscription, Task};
+use gpui::{AnyView, DismissEvent, Entity, EntityId, FocusHandle, ManagedView, Subscription, Task};
 use ui::{animation::DefaultAnimations, prelude::*};
 use zed_actions::toast;
 
@@ -76,6 +76,7 @@ impl<V: ToastView> ToastViewHandle for Entity<V> {
 }
 
 pub struct ActiveToast {
+    id: EntityId,
     toast: Box<dyn ToastViewHandle>,
     action: Option<ToastAction>,
     _subscriptions: [Subscription; 1],
@@ -113,9 +114,9 @@ impl ToastLayer {
         V: ToastView,
     {
         if let Some(active_toast) = &self.active_toast {
-            let is_close = active_toast.toast.view().downcast::<V>().is_ok();
-            let did_close = self.hide_toast(cx);
-            if is_close || !did_close {
+            let show_new = active_toast.id != new_toast.entity_id();
+            self.hide_toast(cx);
+            if !show_new {
                 return;
             }
         }
@@ -130,11 +131,12 @@ impl ToastLayer {
         let focus_handle = cx.focus_handle();
 
         self.active_toast = Some(ActiveToast {
-            toast: Box::new(new_toast.clone()),
-            action,
             _subscriptions: [cx.subscribe(&new_toast, |this, _, _: &DismissEvent, cx| {
                 this.hide_toast(cx);
             })],
+            id: new_toast.entity_id(),
+            toast: Box::new(new_toast),
+            action,
             focus_handle,
         });
 
@@ -143,11 +145,9 @@ impl ToastLayer {
         cx.notify();
     }
 
-    pub fn hide_toast(&mut self, cx: &mut Context<Self>) -> bool {
+    pub fn hide_toast(&mut self, cx: &mut Context<Self>) {
         self.active_toast.take();
         cx.notify();
-
-        true
     }
 
     pub fn active_toast<V>(&self) -> Option<Entity<V>>
@@ -218,11 +218,10 @@ impl Render for ToastLayer {
         let Some(active_toast) = &self.active_toast else {
             return div();
         };
-        let handle = cx.weak_entity();
 
         div().absolute().size_full().bottom_0().left_0().child(
             v_flex()
-                .id("toast-layer-container")
+                .id(("toast-layer-container", active_toast.id))
                 .absolute()
                 .w_full()
                 .bottom(px(0.))
@@ -234,17 +233,14 @@ impl Render for ToastLayer {
                     h_flex()
                         .id("active-toast-container")
                         .occlude()
-                        .on_hover(move |hover_start, _window, cx| {
-                            let Some(this) = handle.upgrade() else {
-                                return;
-                            };
+                        .on_hover(cx.listener(|this, hover_start, _window, cx| {
                             if *hover_start {
-                                this.update(cx, |this, _| this.pause_dismiss_timer());
+                                this.pause_dismiss_timer();
                             } else {
-                                this.update(cx, |this, cx| this.restart_dismiss_timer(cx));
+                                this.restart_dismiss_timer(cx);
                             }
                             cx.stop_propagation();
-                        })
+                        }))
                         .on_click(|_, _, cx| {
                             cx.stop_propagation();
                         })
diff --git a/crates/workspace/src/workspace.rs b/crates/workspace/src/workspace.rs
index aad585e419..044601df97 100644
--- a/crates/workspace/src/workspace.rs
+++ b/crates/workspace/src/workspace.rs
@@ -1,10 +1,12 @@
 pub mod dock;
 pub mod history_manager;
+pub mod invalid_buffer_view;
 pub mod item;
 mod modal_layer;
 pub mod notifications;
 pub mod pane;
 pub mod pane_group;
+mod path_list;
 mod persistence;
 pub mod searchable;
 pub mod shared_screen;
@@ -15,7 +17,9 @@ mod toast_layer;
 mod toolbar;
 mod workspace_settings;
 
-use client::CloudUserStore;
+pub use crate::notifications::NotificationFrame;
+pub use dock::Panel;
+pub use path_list::PathList;
 pub use toast_layer::{ToastAction, ToastLayer, ToastView};
 
 use anyhow::{Context as _, Result, anyhow};
@@ -25,7 +29,6 @@ use client::{
     proto::{self, ErrorCode, PanelId, PeerId},
 };
 use collections::{HashMap, HashSet, hash_map};
-pub use dock::Panel;
 use dock::{Dock, DockPosition, PanelButtons, PanelHandle, RESIZE_HANDLE_SIZE};
 use futures::{
     Future, FutureExt, StreamExt,
@@ -49,7 +52,10 @@ pub use item::{
     ProjectItem, SerializableItem, SerializableItemHandle, WeakItemHandle,
 };
 use itertools::Itertools;
-use language::{Buffer, LanguageRegistry, Rope};
+use language::{
+    Buffer, LanguageRegistry, Rope,
+    language_settings::{AllLanguageSettings, all_language_settings},
+};
 pub use modal_layer::*;
 use node_runtime::NodeRuntime;
 use notifications::{
@@ -58,13 +64,10 @@ use notifications::{
 };
 pub use pane::*;
 pub use pane_group::*;
-use persistence::{
-    DB, SerializedWindowBounds,
-    model::{SerializedSshProject, SerializedWorkspace},
-};
+use persistence::{DB, SerializedWindowBounds, model::SerializedWorkspace};
 pub use persistence::{
     DB as WORKSPACE_DB, WorkspaceDb, delete_unloaded_items,
-    model::{ItemId, LocalPaths, SerializedWorkspaceLocation},
+    model::{ItemId, SerializedSshConnection, SerializedWorkspaceLocation},
 };
 use postage::stream::Stream;
 use project::{
@@ -75,7 +78,7 @@ use remote::{SshClientDelegate, SshConnectionOptions, ssh_session::ConnectionIde
 use schemars::JsonSchema;
 use serde::Deserialize;
 use session::AppSession;
-use settings::Settings;
+use settings::{Settings, update_settings_file};
 use shared_screen::SharedScreen;
 use sqlez::{
     bindable::{Bind, Column, StaticColumnCount},
@@ -222,6 +225,8 @@ actions!(
         ResetActiveDockSize,
         /// Resets all open docks to their default sizes.
         ResetOpenDocksSize,
+        /// Reloads the application
+        Reload,
         /// Saves the current file with a new name.
         SaveAs,
         /// Saves without formatting.
@@ -234,6 +239,8 @@ actions!(
         ToggleBottomDock,
         /// Toggles centered layout mode.
         ToggleCenteredLayout,
+        /// Toggles edit prediction feature globally for all files.
+        ToggleEditPrediction,
         /// Toggles the left dock.
         ToggleLeftDock,
         /// Toggles the right dock.
@@ -242,8 +249,6 @@ actions!(
         ToggleZoom,
         /// Stops following a collaborator.
         Unfollow,
-        /// Shows the welcome screen.
-        Welcome,
         /// Restores the banner.
         RestoreBanner,
         /// Toggles expansion of the selected item.
@@ -251,11 +256,6 @@ actions!(
     ]
 );
 
-#[derive(Clone, PartialEq)]
-pub struct OpenPaths {
-    pub paths: Vec<PathBuf>,
-}
-
 /// Activates a specific pane by its index.
 #[derive(Clone, Deserialize, PartialEq, JsonSchema, Action)]
 #[action(namespace = workspace)]
@@ -336,14 +336,6 @@ pub struct CloseInactiveTabsAndPanes {
 #[action(namespace = workspace)]
 pub struct SendKeystrokes(pub String);
 
-/// Reloads the active item or workspace.
-#[derive(Clone, Deserialize, PartialEq, Default, JsonSchema, Action)]
-#[action(namespace = workspace)]
-#[serde(deny_unknown_fields)]
-pub struct Reload {
-    pub binary_path: Option<PathBuf>,
-}
-
 actions!(
     project_symbols,
     [
@@ -551,8 +543,8 @@ pub fn init(app_state: Arc<AppState>, cx: &mut App) {
     toast_layer::init(cx);
     history_manager::init(cx);
 
-    cx.on_action(Workspace::close_global);
-    cx.on_action(reload);
+    cx.on_action(|_: &CloseWindow, cx| Workspace::close_global(cx));
+    cx.on_action(|_: &Reload, cx| reload(cx));
 
     cx.on_action({
         let app_state = Arc::downgrade(&app_state);
@@ -564,6 +556,7 @@ pub fn init(app_state: Arc<AppState>, cx: &mut App) {
                         files: true,
                         directories: true,
                         multiple: true,
+                        prompt: None,
                     },
                     cx,
                 );
@@ -581,6 +574,7 @@ pub fn init(app_state: Arc<AppState>, cx: &mut App) {
                         files: true,
                         directories,
                         multiple: true,
+                        prompt: None,
                     },
                     cx,
                 );
@@ -618,21 +612,60 @@ impl ProjectItemRegistry {
         );
         self.build_project_item_for_path_fns
             .push(|project, project_path, window, cx| {
+                let project_path = project_path.clone();
+                let is_file = project
+                    .read(cx)
+                    .entry_for_path(&project_path, cx)
+                    .is_some_and(|entry| entry.is_file());
+                let entry_abs_path = project.read(cx).absolute_path(&project_path, cx);
+                let is_local = project.read(cx).is_local();
                 let project_item =
-                    <T::Item as project::ProjectItem>::try_open(project, project_path, cx)?;
+                    <T::Item as project::ProjectItem>::try_open(project, &project_path, cx)?;
                 let project = project.clone();
                 Some(window.spawn(cx, async move |cx| {
-                    let project_item = project_item.await?;
-                    let project_entry_id: Option<ProjectEntryId> =
-                        project_item.read_with(cx, project::ProjectItem::entry_id)?;
-                    let build_workspace_item = Box::new(
-                        |pane: &mut Pane, window: &mut Window, cx: &mut Context<Pane>| {
-                            Box::new(cx.new(|cx| {
-                                T::for_project_item(project, Some(pane), project_item, window, cx)
-                            })) as Box<dyn ItemHandle>
+                    match project_item.await.with_context(|| {
+                        format!(
+                            "opening project path {:?}",
+                            entry_abs_path.as_deref().unwrap_or(&project_path.path)
+                        )
+                    }) {
+                        Ok(project_item) => {
+                            let project_item = project_item;
+                            let project_entry_id: Option<ProjectEntryId> =
+                                project_item.read_with(cx, project::ProjectItem::entry_id)?;
+                            let build_workspace_item = Box::new(
+                                |pane: &mut Pane, window: &mut Window, cx: &mut Context<Pane>| {
+                                    Box::new(cx.new(|cx| {
+                                        T::for_project_item(
+                                            project,
+                                            Some(pane),
+                                            project_item,
+                                            window,
+                                            cx,
+                                        )
+                                    })) as Box<dyn ItemHandle>
+                                },
+                            ) as Box<_>;
+                            Ok((project_entry_id, build_workspace_item))
+                        }
+                        Err(e) => match entry_abs_path.as_deref().filter(|_| is_file) {
+                            Some(abs_path) => match cx.update(|window, cx| {
+                                T::for_broken_project_item(abs_path, is_local, &e, window, cx)
+                            })? {
+                                Some(broken_project_item_view) => {
+                                    let build_workspace_item = Box::new(
+                                    move |_: &mut Pane, _: &mut Window, cx: &mut Context<Pane>| {
+                                        cx.new(|_| broken_project_item_view).boxed_clone()
+                                    },
+                                )
+                                    as Box<_>;
+                                    Ok((None, build_workspace_item))
+                                }
+                                None => Err(e)?,
+                            },
+                            None => Err(e)?,
                         },
-                    ) as Box<_>;
-                    Ok((project_entry_id, build_workspace_item))
+                    }
                 }))
             });
     }
@@ -648,7 +681,7 @@ impl ProjectItemRegistry {
             .build_project_item_for_path_fns
             .iter()
             .rev()
-            .find_map(|open_project_item| open_project_item(&project, &path, window, cx))
+            .find_map(|open_project_item| open_project_item(project, path, window, cx))
         else {
             return Task::ready(Err(anyhow!("cannot open file {:?}", path.path)));
         };
@@ -840,7 +873,6 @@ pub struct AppState {
     pub languages: Arc<LanguageRegistry>,
     pub client: Arc<Client>,
     pub user_store: Entity<UserStore>,
-    pub cloud_user_store: Entity<CloudUserStore>,
     pub workspace_store: Entity<WorkspaceStore>,
     pub fs: Arc<dyn fs::Fs>,
     pub build_window_options: fn(Option<Uuid>, &mut App) -> WindowOptions,
@@ -910,11 +942,9 @@ impl AppState {
         let languages = Arc::new(LanguageRegistry::test(cx.background_executor().clone()));
         let clock = Arc::new(clock::FakeSystemClock::new());
         let http_client = http_client::FakeHttpClient::with_404_response();
-        let client = Client::new(clock, http_client.clone(), cx);
+        let client = Client::new(clock, http_client, cx);
         let session = cx.new(|cx| AppSession::new(Session::test(), cx));
         let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
-        let cloud_user_store =
-            cx.new(|cx| CloudUserStore::new(client.cloud_client(), user_store.clone(), cx));
         let workspace_store = cx.new(|cx| WorkspaceStore::new(client.clone(), cx));
 
         theme::init(theme::LoadThemes::JustBase, cx);
@@ -926,7 +956,6 @@ impl AppState {
             fs,
             languages,
             user_store,
-            cloud_user_store,
             workspace_store,
             node_runtime: NodeRuntime::unavailable(),
             build_window_options: |_, _| Default::default(),
@@ -1023,7 +1052,7 @@ pub enum OpenVisible {
 
 enum WorkspaceLocation {
     // Valid local paths or SSH project to serialize
-    Location(SerializedWorkspaceLocation),
+    Location(SerializedWorkspaceLocation, PathList),
     // No valid location found hence clear session id
     DetachFromSession,
     // No valid location found to serialize
@@ -1086,6 +1115,7 @@ pub struct Workspace {
     follower_states: HashMap<CollaboratorId, FollowerState>,
     last_leaders_by_pane: HashMap<WeakEntity<Pane>, CollaboratorId>,
     window_edited: bool,
+    last_window_title: Option<String>,
     dirty_items: HashMap<EntityId, Subscription>,
     active_call: Option<(Entity<ActiveCall>, Vec<Subscription>)>,
     leader_updates_tx: mpsc::UnboundedSender<(PeerId, proto::UpdateFollowers)>,
@@ -1106,7 +1136,6 @@ pub struct Workspace {
     terminal_provider: Option<Box<dyn TerminalProvider>>,
     debugger_provider: Option<Arc<dyn DebuggerProvider>>,
     serializable_items_tx: UnboundedSender<Box<dyn SerializableItemHandle>>,
-    serialized_ssh_project: Option<SerializedSshProject>,
     _items_serializer: Task<Result<()>>,
     session_id: Option<String>,
     scheduled_tasks: Vec<Task<()>>,
@@ -1155,8 +1184,6 @@ impl Workspace {
 
                 project::Event::WorktreeRemoved(_) | project::Event::WorktreeAdded(_) => {
                     this.update_window_title(window, cx);
-                    this.update_ssh_paths(cx);
-                    this.serialize_ssh_paths(window, cx);
                     this.serialize_workspace(window, cx);
                     // This event could be triggered by `AddFolderToProject` or `RemoveFromProject`.
                     this.update_history(cx);
@@ -1332,7 +1359,6 @@ impl Workspace {
 
         let mut active_call = None;
         if let Some(call) = ActiveCall::try_global(cx) {
-            let call = call.clone();
             let subscriptions = vec![cx.subscribe_in(&call, window, Self::on_active_call_event)];
             active_call = Some((call, subscriptions));
         }
@@ -1354,18 +1380,18 @@ impl Workspace {
                         .timer(Duration::from_millis(100))
                         .await;
                     this.update_in(cx, |this, window, cx| {
-                        if let Some(display) = window.display(cx) {
-                            if let Ok(display_uuid) = display.uuid() {
-                                let window_bounds = window.inner_window_bounds();
-                                if let Some(database_id) = workspace_id {
-                                    cx.background_executor()
-                                        .spawn(DB.set_window_open_status(
-                                            database_id,
-                                            SerializedWindowBounds(window_bounds),
-                                            display_uuid,
-                                        ))
-                                        .detach_and_log_err(cx);
-                                }
+                        if let Some(display) = window.display(cx)
+                            && let Ok(display_uuid) = display.uuid()
+                        {
+                            let window_bounds = window.inner_window_bounds();
+                            if let Some(database_id) = workspace_id {
+                                cx.background_executor()
+                                    .spawn(DB.set_window_open_status(
+                                        database_id,
+                                        SerializedWindowBounds(window_bounds),
+                                        display_uuid,
+                                    ))
+                                    .detach_and_log_err(cx);
                             }
                         }
                         this.bounds_save_task_queued.take();
@@ -1418,6 +1444,7 @@ impl Workspace {
             last_leaders_by_pane: Default::default(),
             dispatching_keystrokes: Default::default(),
             window_edited: false,
+            last_window_title: None,
             dirty_items: Default::default(),
             active_call,
             database_id: workspace_id,
@@ -1441,7 +1468,7 @@ impl Workspace {
             serializable_items_tx,
             _items_serializer,
             session_id: Some(session_id),
-            serialized_ssh_project: None,
+
             scheduled_tasks: Vec::new(),
         }
     }
@@ -1481,20 +1508,9 @@ impl Workspace {
             let serialized_workspace =
                 persistence::DB.workspace_for_roots(paths_to_open.as_slice());
 
-            let workspace_location = serialized_workspace
-                .as_ref()
-                .map(|ws| &ws.location)
-                .and_then(|loc| match loc {
-                    SerializedWorkspaceLocation::Local(_, order) => {
-                        Some((loc.sorted_paths(), order.order()))
-                    }
-                    _ => None,
-                });
-
-            if let Some((paths, order)) = workspace_location {
-                paths_to_open = paths.iter().cloned().collect();
-
-                if order.iter().enumerate().any(|(i, &j)| i != j) {
+            if let Some(paths) = serialized_workspace.as_ref().map(|ws| &ws.paths) {
+                paths_to_open = paths.paths().to_vec();
+                if !paths.is_lexicographically_ordered() {
                     project_handle
                         .update(cx, |project, cx| {
                             project.set_worktrees_reordered(true, cx);
@@ -1737,13 +1753,12 @@ impl Workspace {
             let item_map: HashMap<EntityId, &Box<dyn ItemHandle>> =
                 pane.items().map(|item| (item.item_id(), item)).collect();
             for entry in pane.activation_history() {
-                if entry.timestamp > recent_timestamp {
-                    if let Some(&item) = item_map.get(&entry.entity_id) {
-                        if let Some(typed_item) = item.act_as::<T>(cx) {
-                            recent_timestamp = entry.timestamp;
-                            recent_item = Some(typed_item);
-                        }
-                    }
+                if entry.timestamp > recent_timestamp
+                    && let Some(&item) = item_map.get(&entry.entity_id)
+                    && let Some(typed_item) = item.act_as::<T>(cx)
+                {
+                    recent_timestamp = entry.timestamp;
+                    recent_item = Some(typed_item);
                 }
             }
         }
@@ -1782,19 +1797,19 @@ impl Workspace {
                     }
                 });
 
-            if let Some(item) = pane.active_item() {
-                if let Some(project_path) = item.project_path(cx) {
-                    let fs_path = self.project.read(cx).absolute_path(&project_path, cx);
+            if let Some(item) = pane.active_item()
+                && let Some(project_path) = item.project_path(cx)
+            {
+                let fs_path = self.project.read(cx).absolute_path(&project_path, cx);
 
-                    if let Some(fs_path) = &fs_path {
-                        abs_paths_opened
-                            .entry(fs_path.clone())
-                            .or_default()
-                            .insert(project_path.clone());
-                    }
-
-                    history.insert(project_path, (fs_path, std::usize::MAX));
+                if let Some(fs_path) = &fs_path {
+                    abs_paths_opened
+                        .entry(fs_path.clone())
+                        .or_default()
+                        .insert(project_path.clone());
                 }
+
+                history.insert(project_path, (fs_path, std::usize::MAX));
             }
         }
 
@@ -1813,10 +1828,7 @@ impl Workspace {
                             .max_by(|b1, b2| b1.worktree_id.cmp(&b2.worktree_id))
                     });
 
-                match latest_project_path_opened {
-                    Some(latest_project_path_opened) => latest_project_path_opened == history_path,
-                    None => true,
-                }
+                latest_project_path_opened.is_none_or(|path| path == history_path)
             })
     }
 
@@ -2018,14 +2030,6 @@ impl Workspace {
         self.debugger_provider.clone()
     }
 
-    pub fn serialized_ssh_project(&self) -> Option<SerializedSshProject> {
-        self.serialized_ssh_project.clone()
-    }
-
-    pub fn set_serialized_ssh_project(&mut self, serialized_ssh_project: SerializedSshProject) {
-        self.serialized_ssh_project = Some(serialized_ssh_project);
-    }
-
     pub fn prompt_for_open_path(
         &mut self,
         path_prompt_options: PathPromptOptions,
@@ -2075,6 +2079,7 @@ impl Workspace {
     pub fn prompt_for_new_path(
         &mut self,
         lister: DirectoryLister,
+        suggested_name: Option<String>,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> oneshot::Receiver<Option<Vec<PathBuf>>> {
@@ -2102,7 +2107,7 @@ impl Workspace {
                     })
                     .or_else(std::env::home_dir)
                     .unwrap_or_else(|| PathBuf::from(""));
-                cx.prompt_for_new_path(&relative_to)
+                cx.prompt_for_new_path(&relative_to, suggested_name.as_deref())
             })?;
             let abs_path = match abs_path.await? {
                 Ok(path) => path,
@@ -2185,7 +2190,7 @@ impl Workspace {
         }
     }
 
-    pub fn close_global(_: &CloseWindow, cx: &mut App) {
+    pub fn close_global(cx: &mut App) {
         cx.defer(|cx| {
             cx.windows().iter().find(|window| {
                 window
@@ -2260,11 +2265,11 @@ impl Workspace {
                     .count()
             })?;
 
-            if let Some(active_call) = active_call {
-                if close_intent != CloseIntent::Quit
-                    && workspace_count == 1
-                    && active_call.read_with(cx, |call, _| call.room().is_some())?
-                {
+            if let Some(active_call) = active_call
+                && workspace_count == 1
+                && active_call.read_with(cx, |call, _| call.room().is_some())?
+            {
+                if close_intent == CloseIntent::CloseWindow {
                     let answer = cx.update(|window, cx| {
                         window.prompt(
                             PromptLevel::Warning,
@@ -2284,6 +2289,21 @@ impl Workspace {
                             .log_err();
                     }
                 }
+                if close_intent == CloseIntent::ReplaceWindow {
+                    _ = active_call.update(cx, |this, cx| {
+                        let workspace = cx
+                            .windows()
+                            .iter()
+                            .filter_map(|window| window.downcast::<Workspace>())
+                            .next()
+                            .unwrap();
+                        let project = workspace.read(cx)?.project.clone();
+                        if project.read(cx).is_shared() {
+                            this.unshare_project(project, cx)?;
+                        }
+                        Ok::<_, anyhow::Error>(())
+                    })?;
+                }
             }
 
             let save_result = this
@@ -2296,7 +2316,7 @@ impl Workspace {
             // the current session.
             if close_intent != CloseIntent::Quit
                 && !save_last_workspace
-                && save_result.as_ref().map_or(false, |&res| res)
+                && save_result.as_ref().is_ok_and(|&res| res)
             {
                 this.update_in(cx, |this, window, cx| this.remove_from_session(window, cx))?
                     .await;
@@ -2436,7 +2456,7 @@ impl Workspace {
                         );
                         window.prompt(
                             PromptLevel::Warning,
-                            &"Do you want to save all changes in the following files?",
+                            "Do you want to save all changes in the following files?",
                             Some(&detail),
                             &["Save all", "Discard all", "Cancel"],
                             cx,
@@ -2458,10 +2478,10 @@ impl Workspace {
             for (pane, item) in dirty_items {
                 let (singleton, project_entry_ids) =
                     cx.update(|_, cx| (item.is_singleton(cx), item.project_entry_ids(cx)))?;
-                if singleton || !project_entry_ids.is_empty() {
-                    if !Pane::save_item(project.clone(), &pane, &*item, save_intent, cx).await? {
-                        return Ok(false);
-                    }
+                if (singleton || !project_entry_ids.is_empty())
+                    && !Pane::save_item(project.clone(), &pane, &*item, save_intent, cx).await?
+                {
+                    return Ok(false);
                 }
             }
             Ok(true)
@@ -2515,8 +2535,6 @@ impl Workspace {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Task<Vec<Option<anyhow::Result<Box<dyn ItemHandle>>>>> {
-        log::info!("open paths {abs_paths:?}");
-
         let fs = self.app_state.fs.clone();
 
         // Sort the paths to ensure we add worktrees for parents before their children.
@@ -2662,6 +2680,7 @@ impl Workspace {
                 files: false,
                 directories: true,
                 multiple: true,
+                prompt: None,
             },
             DirectoryLister::Project(self.project.clone()),
             window,
@@ -2771,9 +2790,9 @@ impl Workspace {
         let item = pane.read(cx).active_item();
         let pane = pane.downgrade();
 
-        window.spawn(cx, async move |mut cx| {
+        window.spawn(cx, async move |cx| {
             if let Some(item) = item {
-                Pane::save_item(project, &pane, item.as_ref(), save_intent, &mut cx)
+                Pane::save_item(project, &pane, item.as_ref(), save_intent, cx)
                     .await
                     .map(|_| ())
             } else {
@@ -3089,14 +3108,12 @@ impl Workspace {
         let mut focus_center = false;
         for dock in self.all_docks() {
             dock.update(cx, |dock, cx| {
-                if Some(dock.position()) != dock_to_reveal {
-                    if let Some(panel) = dock.active_panel() {
-                        if panel.is_zoomed(window, cx) {
-                            focus_center |=
-                                panel.panel_focus_handle(cx).contains_focused(window, cx);
-                            dock.set_open(false, window, cx);
-                        }
-                    }
+                if Some(dock.position()) != dock_to_reveal
+                    && let Some(panel) = dock.active_panel()
+                    && panel.is_zoomed(window, cx)
+                {
+                    focus_center |= panel.panel_focus_handle(cx).contains_focused(window, cx);
+                    dock.set_open(false, window, cx);
                 }
             });
         }
@@ -3296,7 +3313,8 @@ impl Workspace {
         let task = self.load_path(project_path.clone(), window, cx);
         window.spawn(cx, async move |cx| {
             let (project_entry_id, build_item) = task.await?;
-            let result = pane.update_in(cx, |pane, window, cx| {
+
+            pane.update_in(cx, |pane, window, cx| {
                 pane.open_item(
                     project_entry_id,
                     project_path,
@@ -3308,8 +3326,7 @@ impl Workspace {
                     cx,
                     build_item,
                 )
-            });
-            result
+            })
         })
     }
 
@@ -3337,10 +3354,10 @@ impl Workspace {
                 .downgrade()
         });
 
-        if let Member::Pane(center_pane) = &self.center.root {
-            if center_pane.read(cx).items_len() == 0 {
-                return self.open_path(path, Some(pane), true, window, cx);
-            }
+        if let Member::Pane(center_pane) = &self.center.root
+            && center_pane.read(cx).items_len() == 0
+        {
+            return self.open_path(path, Some(pane), true, window, cx);
         }
 
         let project_path = path.into();
@@ -3379,9 +3396,8 @@ impl Workspace {
         window: &mut Window,
         cx: &mut App,
     ) -> Task<Result<(Option<ProjectEntryId>, WorkspaceItemBuilder)>> {
-        let project = self.project().clone();
         let registry = cx.default_global::<ProjectItemRegistry>().clone();
-        registry.open_path(&project, &path, window, cx)
+        registry.open_path(self.project(), &path, window, cx)
     }
 
     pub fn find_project_item<T>(
@@ -3402,10 +3418,10 @@ impl Workspace {
         if let Some(entry_id) = entry_id {
             item = pane.read(cx).item_for_entry(entry_id, cx);
         }
-        if item.is_none() {
-            if let Some(project_path) = project_path {
-                item = pane.read(cx).item_for_path(project_path, cx);
-            }
+        if item.is_none()
+            && let Some(project_path) = project_path
+        {
+            item = pane.read(cx).item_for_path(project_path, cx);
         }
 
         item.and_then(|item| item.downcast::<T>())
@@ -3449,12 +3465,11 @@ impl Workspace {
         let item_id = item.item_id();
         let mut destination_index = None;
         pane.update(cx, |pane, cx| {
-            if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
-                if let Some(preview_item_id) = pane.preview_item_id() {
-                    if preview_item_id != item_id {
-                        destination_index = pane.close_current_preview_item(window, cx);
-                    }
-                }
+            if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation
+                && let Some(preview_item_id) = pane.preview_item_id()
+                && preview_item_id != item_id
+            {
+                destination_index = pane.close_current_preview_item(window, cx);
             }
             pane.set_preview_item_id(Some(item.item_id()), cx)
         });
@@ -3887,22 +3902,20 @@ impl Workspace {
                 local,
                 focus_changed,
             } => {
-                cx.on_next_frame(window, |_, window, _| {
-                    window.invalidate_character_coordinates();
-                });
+                window.invalidate_character_coordinates();
 
                 pane.update(cx, |pane, _| {
                     pane.track_alternate_file_items();
                 });
                 if *local {
-                    self.unfollow_in_pane(&pane, window, cx);
+                    self.unfollow_in_pane(pane, window, cx);
                 }
                 serialize_workspace = *focus_changed || pane != self.active_pane();
                 if pane == self.active_pane() {
                     self.active_item_path_changed(window, cx);
                     self.update_active_view_for_followers(window, cx);
                 } else if *local {
-                    self.set_active_pane(&pane, window, cx);
+                    self.set_active_pane(pane, window, cx);
                 }
             }
             pane::Event::UserSavedItem { item, save_intent } => {
@@ -3923,16 +3936,14 @@ impl Workspace {
             pane::Event::RemovedItem { item } => {
                 cx.emit(Event::ActiveItemChanged);
                 self.update_window_edited(window, cx);
-                if let hash_map::Entry::Occupied(entry) = self.panes_by_item.entry(item.item_id()) {
-                    if entry.get().entity_id() == pane.entity_id() {
-                        entry.remove();
-                    }
+                if let hash_map::Entry::Occupied(entry) = self.panes_by_item.entry(item.item_id())
+                    && entry.get().entity_id() == pane.entity_id()
+                {
+                    entry.remove();
                 }
             }
             pane::Event::Focus => {
-                cx.on_next_frame(window, |_, window, _| {
-                    window.invalidate_character_coordinates();
-                });
+                window.invalidate_character_coordinates();
                 self.handle_pane_focused(pane.clone(), window, cx);
             }
             pane::Event::ZoomIn => {
@@ -4011,52 +4022,6 @@ impl Workspace {
         maybe_pane_handle
     }
 
-    pub fn split_pane_with_item(
-        &mut self,
-        pane_to_split: WeakEntity<Pane>,
-        split_direction: SplitDirection,
-        from: WeakEntity<Pane>,
-        item_id_to_move: EntityId,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) {
-        let Some(pane_to_split) = pane_to_split.upgrade() else {
-            return;
-        };
-        let Some(from) = from.upgrade() else {
-            return;
-        };
-
-        let new_pane = self.add_pane(window, cx);
-        move_item(&from, &new_pane, item_id_to_move, 0, true, window, cx);
-        self.center
-            .split(&pane_to_split, &new_pane, split_direction)
-            .unwrap();
-        cx.notify();
-    }
-
-    pub fn split_pane_with_project_entry(
-        &mut self,
-        pane_to_split: WeakEntity<Pane>,
-        split_direction: SplitDirection,
-        project_entry: ProjectEntryId,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) -> Option<Task<Result<()>>> {
-        let pane_to_split = pane_to_split.upgrade()?;
-        let new_pane = self.add_pane(window, cx);
-        self.center
-            .split(&pane_to_split, &new_pane, split_direction)
-            .unwrap();
-
-        let path = self.project.read(cx).path_for_entry(project_entry, cx)?;
-        let task = self.open_path(path, Some(new_pane.downgrade()), true, window, cx);
-        Some(cx.foreground_executor().spawn(async move {
-            task.await?;
-            Ok(())
-        }))
-    }
-
     pub fn join_all_panes(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         let active_item = self.active_pane.read(cx).active_item();
         for pane in &self.panes {
@@ -4118,14 +4083,13 @@ impl Workspace {
 
     pub fn focused_pane(&self, window: &Window, cx: &App) -> Entity<Pane> {
         for dock in self.all_docks() {
-            if dock.focus_handle(cx).contains_focused(window, cx) {
-                if let Some(pane) = dock
+            if dock.focus_handle(cx).contains_focused(window, cx)
+                && let Some(pane) = dock
                     .read(cx)
                     .active_panel()
                     .and_then(|panel| panel.pane(cx))
-                {
-                    return pane;
-                }
+            {
+                return pane;
             }
         }
         self.active_pane().clone()
@@ -4137,7 +4101,6 @@ impl Workspace {
             .unwrap_or_else(|| {
                 self.split_pane(self.active_pane.clone(), SplitDirection::Right, window, cx)
             })
-            .clone()
     }
 
     pub fn pane_for(&self, handle: &dyn ItemHandle) -> Option<Entity<Pane>> {
@@ -4406,7 +4369,13 @@ impl Workspace {
             title.push_str(" ↗");
         }
 
+        if let Some(last_title) = self.last_window_title.as_ref()
+            && &title == last_title
+        {
+            return;
+        }
         window.set_window_title(&title);
+        self.last_window_title = Some(title);
     }
 
     fn update_window_edited(&mut self, window: &mut Window, cx: &mut App) {
@@ -4582,10 +4551,8 @@ impl Workspace {
                     }
                 })??;
 
-                if should_add_view {
-                    if let Some(view) = update_active_view.view {
-                        Self::add_view_from_leader(this.clone(), leader_id, &view, cx).await?
-                    }
+                if should_add_view && let Some(view) = update_active_view.view {
+                    Self::add_view_from_leader(this.clone(), leader_id, &view, cx).await?
                 }
             }
             proto::update_followers::Variant::UpdateView(update_view) => {
@@ -4751,14 +4718,12 @@ impl Workspace {
                         })
                     });
 
-                    if let Some(view) = view {
-                        Some(entry.insert(FollowerView {
+                    view.map(|view| {
+                        entry.insert(FollowerView {
                             view,
                             location: None,
-                        }))
-                    } else {
-                        None
-                    }
+                        })
+                    })
                 }
             };
 
@@ -4781,40 +4746,40 @@ impl Workspace {
         if window.is_window_active() {
             let (active_item, panel_id) = self.active_item_for_followers(window, cx);
 
-            if let Some(item) = active_item {
-                if item.item_focus_handle(cx).contains_focused(window, cx) {
-                    let leader_id = self
-                        .pane_for(&*item)
-                        .and_then(|pane| self.leader_for_pane(&pane));
-                    let leader_peer_id = match leader_id {
-                        Some(CollaboratorId::PeerId(peer_id)) => Some(peer_id),
-                        Some(CollaboratorId::Agent) | None => None,
-                    };
+            if let Some(item) = active_item
+                && item.item_focus_handle(cx).contains_focused(window, cx)
+            {
+                let leader_id = self
+                    .pane_for(&*item)
+                    .and_then(|pane| self.leader_for_pane(&pane));
+                let leader_peer_id = match leader_id {
+                    Some(CollaboratorId::PeerId(peer_id)) => Some(peer_id),
+                    Some(CollaboratorId::Agent) | None => None,
+                };
 
-                    if let Some(item) = item.to_followable_item_handle(cx) {
-                        let id = item
-                            .remote_id(&self.app_state.client, window, cx)
-                            .map(|id| id.to_proto());
+                if let Some(item) = item.to_followable_item_handle(cx) {
+                    let id = item
+                        .remote_id(&self.app_state.client, window, cx)
+                        .map(|id| id.to_proto());
 
-                        if let Some(id) = id.clone() {
-                            if let Some(variant) = item.to_state_proto(window, cx) {
-                                let view = Some(proto::View {
-                                    id: id.clone(),
-                                    leader_id: leader_peer_id,
-                                    variant: Some(variant),
-                                    panel_id: panel_id.map(|id| id as i32),
-                                });
+                    if let Some(id) = id
+                        && let Some(variant) = item.to_state_proto(window, cx)
+                    {
+                        let view = Some(proto::View {
+                            id: id.clone(),
+                            leader_id: leader_peer_id,
+                            variant: Some(variant),
+                            panel_id: panel_id.map(|id| id as i32),
+                        });
 
-                                is_project_item = item.is_project_item(window, cx);
-                                update = proto::UpdateActiveView {
-                                    view,
-                                    // TODO: Remove after version 0.145.x stabilizes.
-                                    id: id.clone(),
-                                    leader_id: leader_peer_id,
-                                };
-                            }
+                        is_project_item = item.is_project_item(window, cx);
+                        update = proto::UpdateActiveView {
+                            view,
+                            // TODO: Remove after version 0.145.x stabilizes.
+                            id,
+                            leader_id: leader_peer_id,
                         };
-                    }
+                    };
                 }
             }
         }
@@ -4839,16 +4804,14 @@ impl Workspace {
         let mut active_item = None;
         let mut panel_id = None;
         for dock in self.all_docks() {
-            if dock.focus_handle(cx).contains_focused(window, cx) {
-                if let Some(panel) = dock.read(cx).active_panel() {
-                    if let Some(pane) = panel.pane(cx) {
-                        if let Some(item) = pane.read(cx).active_item() {
-                            active_item = Some(item);
-                            panel_id = panel.remote_id();
-                            break;
-                        }
-                    }
-                }
+            if dock.focus_handle(cx).contains_focused(window, cx)
+                && let Some(panel) = dock.read(cx).active_panel()
+                && let Some(pane) = panel.pane(cx)
+                && let Some(item) = pane.read(cx).active_item()
+            {
+                active_item = Some(item);
+                panel_id = panel.remote_id();
+                break;
             }
         }
 
@@ -4976,10 +4939,10 @@ impl Workspace {
         let state = self.follower_states.get(&peer_id.into())?;
         let mut item_to_activate = None;
         if let (Some(active_view_id), true) = (state.active_view_id, leader_in_this_app) {
-            if let Some(item) = state.items_by_leader_view_id.get(&active_view_id) {
-                if leader_in_this_project || !item.view.is_project_item(window, cx) {
-                    item_to_activate = Some((item.location, item.view.boxed_clone()));
-                }
+            if let Some(item) = state.items_by_leader_view_id.get(&active_view_id)
+                && (leader_in_this_project || !item.view.is_project_item(window, cx))
+            {
+                item_to_activate = Some((item.location, item.view.boxed_clone()));
             }
         } else if let Some(shared_screen) =
             self.shared_screen_for_peer(peer_id, &state.center_pane, window, cx)
@@ -5067,59 +5030,12 @@ impl Workspace {
         self.session_id.clone()
     }
 
-    fn local_paths(&self, cx: &App) -> Option<Vec<Arc<Path>>> {
+    pub fn root_paths(&self, cx: &App) -> Vec<Arc<Path>> {
         let project = self.project().read(cx);
-
-        if project.is_local() {
-            Some(
-                project
-                    .visible_worktrees(cx)
-                    .map(|worktree| worktree.read(cx).abs_path())
-                    .collect::<Vec<_>>(),
-            )
-        } else {
-            None
-        }
-    }
-
-    fn update_ssh_paths(&mut self, cx: &App) {
-        let project = self.project().read(cx);
-        if !project.is_local() {
-            let paths: Vec<String> = project
-                .visible_worktrees(cx)
-                .map(|worktree| worktree.read(cx).abs_path().to_string_lossy().to_string())
-                .collect();
-            if let Some(ssh_project) = &mut self.serialized_ssh_project {
-                ssh_project.paths = paths;
-            }
-        }
-    }
-
-    fn serialize_ssh_paths(&mut self, window: &mut Window, cx: &mut Context<Workspace>) {
-        if self._schedule_serialize_ssh_paths.is_none() {
-            self._schedule_serialize_ssh_paths =
-                Some(cx.spawn_in(window, async move |this, cx| {
-                    cx.background_executor()
-                        .timer(SERIALIZATION_THROTTLE_TIME)
-                        .await;
-                    this.update_in(cx, |this, window, cx| {
-                        let task = if let Some(ssh_project) = &this.serialized_ssh_project {
-                            let ssh_project_id = ssh_project.id;
-                            let ssh_project_paths = ssh_project.paths.clone();
-                            window.spawn(cx, async move |_| {
-                                persistence::DB
-                                    .update_ssh_project_paths(ssh_project_id, ssh_project_paths)
-                                    .await
-                            })
-                        } else {
-                            Task::ready(Err(anyhow::anyhow!("No SSH project to serialize")))
-                        };
-                        task.detach();
-                        this._schedule_serialize_ssh_paths.take();
-                    })
-                    .log_err();
-                }));
-        }
+        project
+            .visible_worktrees(cx)
+            .map(|worktree| worktree.read(cx).abs_path())
+            .collect::<Vec<_>>()
     }
 
     fn remove_panes(&mut self, member: Member, window: &mut Window, cx: &mut Context<Workspace>) {
@@ -5150,13 +5066,11 @@ impl Workspace {
         self.panes.retain(|p| p != pane);
         if let Some(focus_on) = focus_on {
             focus_on.update(cx, |pane, cx| window.focus(&pane.focus_handle(cx)));
-        } else {
-            if self.active_pane() == pane {
-                self.panes
-                    .last()
-                    .unwrap()
-                    .update(cx, |pane, cx| window.focus(&pane.focus_handle(cx)));
-            }
+        } else if self.active_pane() == pane {
+            self.panes
+                .last()
+                .unwrap()
+                .update(cx, |pane, cx| window.focus(&pane.focus_handle(cx)));
         }
         if self.last_active_center_pane == Some(pane.downgrade()) {
             self.last_active_center_pane = None;
@@ -5294,7 +5208,7 @@ impl Workspace {
         }
 
         match self.serialize_workspace_location(cx) {
-            WorkspaceLocation::Location(location) => {
+            WorkspaceLocation::Location(location, paths) => {
                 let breakpoints = self.project.update(cx, |project, cx| {
                     project
                         .breakpoint_store()
@@ -5308,6 +5222,7 @@ impl Workspace {
                 let serialized_workspace = SerializedWorkspace {
                     id: database_id,
                     location,
+                    paths,
                     center_group,
                     window_bounds,
                     display: Default::default(),
@@ -5333,13 +5248,19 @@ impl Workspace {
     }
 
     fn serialize_workspace_location(&self, cx: &App) -> WorkspaceLocation {
-        if let Some(ssh_project) = &self.serialized_ssh_project {
-            WorkspaceLocation::Location(SerializedWorkspaceLocation::Ssh(ssh_project.clone()))
-        } else if let Some(local_paths) = self.local_paths(cx) {
-            if !local_paths.is_empty() {
-                WorkspaceLocation::Location(SerializedWorkspaceLocation::from_local_paths(
-                    local_paths,
-                ))
+        let paths = PathList::new(&self.root_paths(cx));
+        if let Some(connection) = self.project.read(cx).ssh_connection_options(cx) {
+            WorkspaceLocation::Location(
+                SerializedWorkspaceLocation::Ssh(SerializedSshConnection {
+                    host: connection.host,
+                    port: connection.port,
+                    user: connection.username,
+                }),
+                paths,
+            )
+        } else if self.project.read(cx).is_local() {
+            if !paths.is_empty() {
+                WorkspaceLocation::Location(SerializedWorkspaceLocation::Local, paths)
             } else {
                 WorkspaceLocation::DetachFromSession
             }
@@ -5352,13 +5273,13 @@ impl Workspace {
         let Some(id) = self.database_id() else {
             return;
         };
-        let location = match self.serialize_workspace_location(cx) {
-            WorkspaceLocation::Location(location) => location,
-            _ => return,
-        };
+        if !self.project.read(cx).is_local() {
+            return;
+        }
         if let Some(manager) = HistoryManager::global(cx) {
+            let paths = PathList::new(&self.root_paths(cx));
             manager.update(cx, |this, cx| {
-                this.update_history(id, HistoryManagerEntry::new(id, &location), cx);
+                this.update_history(id, HistoryManagerEntry::new(id, &paths), cx);
             });
         }
     }
@@ -5551,6 +5472,7 @@ impl Workspace {
             .on_action(cx.listener(Self::activate_pane_at_index))
             .on_action(cx.listener(Self::move_item_to_pane_at_index))
             .on_action(cx.listener(Self::move_focused_panel_to_next_position))
+            .on_action(cx.listener(Self::toggle_edit_predictions_all_files))
             .on_action(cx.listener(|workspace, _: &Unfollow, window, cx| {
                 let pane = workspace.active_pane().clone();
                 workspace.unfollow_in_pane(&pane, window, cx);
@@ -5739,16 +5661,12 @@ impl Workspace {
 
         let client = project.read(cx).client();
         let user_store = project.read(cx).user_store();
-        let cloud_user_store =
-            cx.new(|cx| CloudUserStore::new(client.cloud_client(), user_store.clone(), cx));
-
         let workspace_store = cx.new(|cx| WorkspaceStore::new(client.clone(), cx));
         let session = cx.new(|cx| AppSession::new(Session::test(), cx));
         window.activate_window();
         let app_state = Arc::new(AppState {
             languages: project.read(cx).languages().clone(),
             workspace_store,
-            cloud_user_store,
             client,
             user_store,
             fs: project.read(cx).fs().clone(),
@@ -5913,7 +5831,6 @@ impl Workspace {
 
     pub fn cancel(&mut self, _: &menu::Cancel, window: &mut Window, cx: &mut Context<Self>) {
         if cx.stop_active_drag(window) {
-            return;
         } else if let Some((notification_id, _)) = self.notifications.pop() {
             dismiss_app_notification(&notification_id, cx);
         } else {
@@ -5986,6 +5903,19 @@ impl Workspace {
             }
         });
     }
+
+    fn toggle_edit_predictions_all_files(
+        &mut self,
+        _: &ToggleEditPrediction,
+        _window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let fs = self.project().read(cx).fs().clone();
+        let show_edit_predictions = all_language_settings(None, cx).show_edit_predictions(None, cx);
+        update_settings_file::<AllLanguageSettings>(fs, cx, move |file, _| {
+            file.defaults.show_edit_predictions = Some(!show_edit_predictions)
+        });
+    }
 }
 
 fn leader_border_for_pane(
@@ -6076,10 +6006,10 @@ fn open_items(
             project_paths_to_open
                 .iter_mut()
                 .for_each(|(_, project_path)| {
-                    if let Some(project_path_to_open) = project_path {
-                        if restored_project_paths.contains(project_path_to_open) {
-                            *project_path = None;
-                        }
+                    if let Some(project_path_to_open) = project_path
+                        && restored_project_paths.contains(project_path_to_open)
+                    {
+                        *project_path = None;
                     }
                 });
         } else {
@@ -6106,24 +6036,24 @@ fn open_items(
                         // We only want to open file paths here. If one of the items
                         // here is a directory, it was already opened further above
                         // with a `find_or_create_worktree`.
-                        if let Ok(task) = abs_path_task {
-                            if task.await.map_or(true, |p| p.is_file()) {
-                                return Some((
-                                    ix,
-                                    workspace
-                                        .update_in(cx, |workspace, window, cx| {
-                                            workspace.open_path(
-                                                file_project_path,
-                                                None,
-                                                true,
-                                                window,
-                                                cx,
-                                            )
-                                        })
-                                        .log_err()?
-                                        .await,
-                                ));
-                            }
+                        if let Ok(task) = abs_path_task
+                            && task.await.is_none_or(|p| p.is_file())
+                        {
+                            return Some((
+                                ix,
+                                workspace
+                                    .update_in(cx, |workspace, window, cx| {
+                                        workspace.open_path(
+                                            file_project_path,
+                                            None,
+                                            true,
+                                            window,
+                                            cx,
+                                        )
+                                    })
+                                    .log_err()?
+                                    .await,
+                            ));
                         }
                         None
                     })
@@ -6333,7 +6263,7 @@ impl Render for Workspace {
                                 .border_b_1()
                                 .border_color(colors.border)
                                 .child({
-                                    let this = cx.entity().clone();
+                                    let this = cx.entity();
                                     canvas(
                                         move |bounds, window, cx| {
                                             this.update(cx, |this, cx| {
@@ -6668,6 +6598,10 @@ impl Render for Workspace {
                                         .inset_0()
                                         .shadow_lg();
 
+                                    if !WorkspaceSettings::get_global(cx).zoomed_padding {
+                                       return Some(div);
+                                    }
+
                                     Some(match self.zoomed_position {
                                         Some(DockPosition::Left) => div.right_2().border_r_1(),
                                         Some(DockPosition::Right) => div.left_2().border_l_1(),
@@ -6735,10 +6669,10 @@ impl WorkspaceStore {
                     .update(cx, |workspace, window, cx| {
                         let handler_response =
                             workspace.handle_follow(follower.project_id, window, cx);
-                        if let Some(active_view) = handler_response.active_view.clone() {
-                            if workspace.project.read(cx).remote_id() == follower.project_id {
-                                response.active_view = Some(active_view)
-                            }
+                        if let Some(active_view) = handler_response.active_view
+                            && workspace.project.read(cx).remote_id() == follower.project_id
+                        {
+                            response.active_view = Some(active_view)
                         }
                     })
                     .is_ok()
@@ -6825,22 +6759,14 @@ impl WorkspaceHandle for Entity<Workspace> {
     }
 }
 
-impl std::fmt::Debug for OpenPaths {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("OpenPaths")
-            .field("paths", &self.paths)
-            .finish()
-    }
-}
-
-pub async fn last_opened_workspace_location() -> Option<SerializedWorkspaceLocation> {
+pub async fn last_opened_workspace_location() -> Option<(SerializedWorkspaceLocation, PathList)> {
     DB.last_workspace().await.log_err().flatten()
 }
 
 pub fn last_session_workspace_locations(
     last_session_id: &str,
     last_session_window_stack: Option<Vec<WindowId>>,
-) -> Option<Vec<SerializedWorkspaceLocation>> {
+) -> Option<Vec<(SerializedWorkspaceLocation, PathList)>> {
     DB.last_session_workspace_locations(last_session_id, last_session_window_stack)
         .log_err()
 }
@@ -6947,10 +6873,13 @@ async fn join_channel_internal(
         match status {
             Status::Connecting
             | Status::Authenticating
+            | Status::Authenticated
             | Status::Reconnecting
             | Status::Reauthenticating => continue,
             Status::Connected { .. } => break 'outer,
-            Status::SignedOut => return Err(ErrorCode::SignedOut.into()),
+            Status::SignedOut | Status::AuthenticationError => {
+                return Err(ErrorCode::SignedOut.into());
+            }
             Status::UpgradeRequired => return Err(ErrorCode::UpgradeRequired.into()),
             Status::ConnectionError | Status::ConnectionLost | Status::ReconnectionError { .. } => {
                 return Err(ErrorCode::Disconnected.into());
@@ -6977,34 +6906,35 @@ async fn join_channel_internal(
         }
 
         // If you are the first to join a channel, see if you should share your project.
-        if room.remote_participants().is_empty() && !room.local_participant_is_guest() {
-            if let Some(workspace) = requesting_window {
-                let project = workspace.update(cx, |workspace, _, cx| {
-                    let project = workspace.project.read(cx);
+        if room.remote_participants().is_empty()
+            && !room.local_participant_is_guest()
+            && let Some(workspace) = requesting_window
+        {
+            let project = workspace.update(cx, |workspace, _, cx| {
+                let project = workspace.project.read(cx);
 
-                    if !CallSettings::get_global(cx).share_on_join {
-                        return None;
-                    }
-
-                    if (project.is_local() || project.is_via_ssh())
-                        && project.visible_worktrees(cx).any(|tree| {
-                            tree.read(cx)
-                                .root_entry()
-                                .map_or(false, |entry| entry.is_dir())
-                        })
-                    {
-                        Some(workspace.project.clone())
-                    } else {
-                        None
-                    }
-                });
-                if let Ok(Some(project)) = project {
-                    return Some(cx.spawn(async move |room, cx| {
-                        room.update(cx, |room, cx| room.share_project(project, cx))?
-                            .await?;
-                        Ok(())
-                    }));
+                if !CallSettings::get_global(cx).share_on_join {
+                    return None;
                 }
+
+                if (project.is_local() || project.is_via_ssh())
+                    && project.visible_worktrees(cx).any(|tree| {
+                        tree.read(cx)
+                            .root_entry()
+                            .is_some_and(|entry| entry.is_dir())
+                    })
+                {
+                    Some(workspace.project.clone())
+                } else {
+                    None
+                }
+            });
+            if let Ok(Some(project)) = project {
+                return Some(cx.spawn(async move |room, cx| {
+                    room.update(cx, |room, cx| room.share_project(project, cx))?
+                        .await?;
+                    Ok(())
+                }));
             }
         }
 
@@ -7181,9 +7111,9 @@ pub fn open_paths(
                 .collect::<Vec<_>>();
 
             cx.update(|cx| {
-                for window in local_workspace_windows(&cx) {
-                    if let Ok(workspace) = window.read(&cx) {
-                        let m = workspace.project.read(&cx).visibility_for_paths(
+                for window in local_workspace_windows(cx) {
+                    if let Ok(workspace) = window.read(cx) {
+                        let m = workspace.project.read(cx).visibility_for_paths(
                             &abs_paths,
                             &all_metadatas,
                             open_options.open_new_workspace == None,
@@ -7201,35 +7131,35 @@ pub fn open_paths(
                 }
             })?;
 
-            if open_options.open_new_workspace.is_none() && existing.is_none() {
-                if all_metadatas.iter().all(|file| !file.is_dir) {
-                    cx.update(|cx| {
-                        if let Some(window) = cx
-                            .active_window()
-                            .and_then(|window| window.downcast::<Workspace>())
-                        {
-                            if let Ok(workspace) = window.read(cx) {
-                                let project = workspace.project().read(cx);
-                                if project.is_local() && !project.is_via_collab() {
-                                    existing = Some(window);
-                                    open_visible = OpenVisible::None;
-                                    return;
-                                }
-                            }
+            if open_options.open_new_workspace.is_none()
+                && existing.is_none()
+                && all_metadatas.iter().all(|file| !file.is_dir)
+            {
+                cx.update(|cx| {
+                    if let Some(window) = cx
+                        .active_window()
+                        .and_then(|window| window.downcast::<Workspace>())
+                        && let Ok(workspace) = window.read(cx)
+                    {
+                        let project = workspace.project().read(cx);
+                        if project.is_local() && !project.is_via_collab() {
+                            existing = Some(window);
+                            open_visible = OpenVisible::None;
+                            return;
                         }
-                        for window in local_workspace_windows(cx) {
-                            if let Ok(workspace) = window.read(cx) {
-                                let project = workspace.project().read(cx);
-                                if project.is_via_collab() {
-                                    continue;
-                                }
-                                existing = Some(window);
-                                open_visible = OpenVisible::None;
-                                break;
+                    }
+                    for window in local_workspace_windows(cx) {
+                        if let Ok(workspace) = window.read(cx) {
+                            let project = workspace.project().read(cx);
+                            if project.is_via_collab() {
+                                continue;
                             }
+                            existing = Some(window);
+                            open_visible = OpenVisible::None;
+                            break;
                         }
-                    })?;
-                }
+                    }
+                })?;
             }
         }
 
@@ -7339,8 +7269,8 @@ pub fn open_ssh_project_with_new_connection(
     cx: &mut App,
 ) -> Task<Result<()>> {
     cx.spawn(async move |cx| {
-        let (serialized_ssh_project, workspace_id, serialized_workspace) =
-            serialize_ssh_project(connection_options.clone(), paths.clone(), &cx).await?;
+        let (workspace_id, serialized_workspace) =
+            serialize_ssh_project(connection_options.clone(), paths.clone(), cx).await?;
 
         let session = match cx
             .update(|cx| {
@@ -7373,7 +7303,6 @@ pub fn open_ssh_project_with_new_connection(
         open_ssh_project_inner(
             project,
             paths,
-            serialized_ssh_project,
             workspace_id,
             serialized_workspace,
             app_state,
@@ -7393,13 +7322,12 @@ pub fn open_ssh_project_with_existing_connection(
     cx: &mut AsyncApp,
 ) -> Task<Result<()>> {
     cx.spawn(async move |cx| {
-        let (serialized_ssh_project, workspace_id, serialized_workspace) =
-            serialize_ssh_project(connection_options.clone(), paths.clone(), &cx).await?;
+        let (workspace_id, serialized_workspace) =
+            serialize_ssh_project(connection_options.clone(), paths.clone(), cx).await?;
 
         open_ssh_project_inner(
             project,
             paths,
-            serialized_ssh_project,
             workspace_id,
             serialized_workspace,
             app_state,
@@ -7413,7 +7341,6 @@ pub fn open_ssh_project_with_existing_connection(
 async fn open_ssh_project_inner(
     project: Entity<Project>,
     paths: Vec<PathBuf>,
-    serialized_ssh_project: SerializedSshProject,
     workspace_id: WorkspaceId,
     serialized_workspace: Option<SerializedWorkspace>,
     app_state: Arc<AppState>,
@@ -7466,7 +7393,6 @@ async fn open_ssh_project_inner(
 
             let mut workspace =
                 Workspace::new(Some(workspace_id), project, app_state.clone(), window, cx);
-            workspace.set_serialized_ssh_project(serialized_ssh_project);
             workspace.update_history(cx);
 
             if let Some(ref serialized) = serialized_workspace {
@@ -7503,28 +7429,18 @@ fn serialize_ssh_project(
     connection_options: SshConnectionOptions,
     paths: Vec<PathBuf>,
     cx: &AsyncApp,
-) -> Task<
-    Result<(
-        SerializedSshProject,
-        WorkspaceId,
-        Option<SerializedWorkspace>,
-    )>,
-> {
+) -> Task<Result<(WorkspaceId, Option<SerializedWorkspace>)>> {
     cx.background_spawn(async move {
-        let serialized_ssh_project = persistence::DB
-            .get_or_create_ssh_project(
+        let ssh_connection_id = persistence::DB
+            .get_or_create_ssh_connection(
                 connection_options.host.clone(),
                 connection_options.port,
-                paths
-                    .iter()
-                    .map(|path| path.to_string_lossy().to_string())
-                    .collect::<Vec<_>>(),
                 connection_options.username.clone(),
             )
             .await?;
 
         let serialized_workspace =
-            persistence::DB.workspace_for_ssh_project(&serialized_ssh_project);
+            persistence::DB.ssh_workspace_for_roots(&paths, ssh_connection_id);
 
         let workspace_id = if let Some(workspace_id) =
             serialized_workspace.as_ref().map(|workspace| workspace.id)
@@ -7534,7 +7450,7 @@ fn serialize_ssh_project(
             persistence::DB.next_id().await?
         };
 
-        Ok((serialized_ssh_project, workspace_id, serialized_workspace))
+        Ok((workspace_id, serialized_workspace))
     })
 }
 
@@ -7624,7 +7540,7 @@ pub fn join_in_room_project(
     })
 }
 
-pub fn reload(reload: &Reload, cx: &mut App) {
+pub fn reload(cx: &mut App) {
     let should_confirm = WorkspaceSettings::get_global(cx).confirm_quit;
     let mut workspace_windows = cx
         .windows()
@@ -7651,7 +7567,6 @@ pub fn reload(reload: &Reload, cx: &mut App) {
             .ok();
     }
 
-    let binary_path = reload.binary_path.clone();
     cx.spawn(async move |cx| {
         if let Some(prompt) = prompt {
             let answer = prompt.await?;
@@ -7664,14 +7579,12 @@ pub fn reload(reload: &Reload, cx: &mut App) {
         for window in workspace_windows {
             if let Ok(should_close) = window.update(cx, |workspace, window, cx| {
                 workspace.prepare_to_close(CloseIntent::Quit, window, cx)
-            }) {
-                if !should_close.await? {
-                    return Ok(());
-                }
+            }) && !should_close.await?
+            {
+                return Ok(());
             }
         }
-
-        cx.update(|cx| cx.restart(binary_path))
+        cx.update(|cx| cx.restart())
     })
     .detach_and_log_err(cx);
 }
@@ -7701,7 +7614,7 @@ pub fn client_side_decorations(
 
     match decorations {
         Decorations::Client { .. } => window.set_client_inset(theme::CLIENT_SIDE_DECORATION_SHADOW),
-        Decorations::Server { .. } => window.set_client_inset(px(0.0)),
+        Decorations::Server => window.set_client_inset(px(0.0)),
     }
 
     struct GlobalResizeEdge(ResizeEdge);
@@ -7924,7 +7837,6 @@ fn join_pane_into_active(
     cx: &mut App,
 ) {
     if pane == active_pane {
-        return;
     } else if pane.read(cx).items_len() == 0 {
         pane.update(cx, |_, cx| {
             cx.emit(pane::Event::Remove {
@@ -8085,18 +7997,15 @@ pub fn ssh_workspace_position_from_db(
     paths_to_open: &[PathBuf],
     cx: &App,
 ) -> Task<Result<WorkspacePosition>> {
-    let paths = paths_to_open
-        .iter()
-        .map(|path| path.to_string_lossy().to_string())
-        .collect::<Vec<_>>();
+    let paths = paths_to_open.to_vec();
 
     cx.background_spawn(async move {
-        let serialized_ssh_project = persistence::DB
-            .get_or_create_ssh_project(host, port, paths, user)
+        let ssh_connection_id = persistence::DB
+            .get_or_create_ssh_connection(host, port, user)
             .await
             .context("fetching serialized ssh project")?;
         let serialized_workspace =
-            persistence::DB.workspace_for_ssh_project(&serialized_ssh_project);
+            persistence::DB.ssh_workspace_for_roots(&paths, ssh_connection_id);
 
         let (window_bounds, display) = if let Some(bounds) = window_bounds_env_override() {
             (Some(WindowBounds::Windowed(bounds)), None)
@@ -9173,19 +9082,18 @@ mod tests {
         workspace.update_in(cx, |workspace, window, cx| {
             workspace.add_item_to_active_pane(Box::new(item.clone()), None, false, window, cx);
         });
-        return item;
+        item
     }
 
     fn split_pane(cx: &mut VisualTestContext, workspace: &Entity<Workspace>) -> Entity<Pane> {
-        return workspace.update_in(cx, |workspace, window, cx| {
-            let new_pane = workspace.split_pane(
+        workspace.update_in(cx, |workspace, window, cx| {
+            workspace.split_pane(
                 workspace.active_pane().clone(),
                 SplitDirection::Right,
                 window,
                 cx,
-            );
-            new_pane
-        });
+            )
+        })
     }
 
     #[gpui::test]
@@ -9441,7 +9349,7 @@ mod tests {
             let workspace = workspace.clone();
             move |cx: &mut VisualTestContext| {
                 workspace.update_in(cx, |workspace, window, cx| {
-                    if let Some(_) = workspace.active_modal::<TestModal>(cx) {
+                    if workspace.active_modal::<TestModal>(cx).is_some() {
                         workspace.toggle_modal(window, cx, TestModal::new);
                         workspace.toggle_modal(window, cx, TestModal::new);
                     } else {
diff --git a/crates/workspace/src/workspace_settings.rs b/crates/workspace/src/workspace_settings.rs
index 4a8c9d4666..3b6bc1ea97 100644
--- a/crates/workspace/src/workspace_settings.rs
+++ b/crates/workspace/src/workspace_settings.rs
@@ -29,6 +29,7 @@ pub struct WorkspaceSettings {
     pub on_last_window_closed: OnLastWindowClosed,
     pub resize_all_panels_in_dock: Vec<DockPosition>,
     pub close_on_file_delete: bool,
+    pub zoomed_padding: bool,
 }
 
 #[derive(Copy, Clone, Default, Serialize, Deserialize, JsonSchema)]
@@ -202,6 +203,12 @@ pub struct WorkspaceSettingsContent {
     ///
     /// Default: false
     pub close_on_file_delete: Option<bool>,
+    /// Whether to show padding for zoomed panels.
+    /// When enabled, zoomed bottom panels will have some top padding,
+    /// while zoomed left/right panels will have padding to the right/left (respectively).
+    ///
+    /// Default: true
+    pub zoomed_padding: Option<bool>,
 }
 
 #[derive(Deserialize)]
@@ -282,19 +289,17 @@ impl Settings for WorkspaceSettings {
         if vscode
             .read_bool("accessibility.dimUnfocused.enabled")
             .unwrap_or_default()
-        {
-            if let Some(opacity) = vscode
+            && let Some(opacity) = vscode
                 .read_value("accessibility.dimUnfocused.opacity")
                 .and_then(|v| v.as_f64())
-            {
-                if let Some(settings) = current.active_pane_modifiers.as_mut() {
-                    settings.inactive_opacity = Some(opacity as f32)
-                } else {
-                    current.active_pane_modifiers = Some(ActivePanelModifiers {
-                        inactive_opacity: Some(opacity as f32),
-                        ..Default::default()
-                    })
-                }
+        {
+            if let Some(settings) = current.active_pane_modifiers.as_mut() {
+                settings.inactive_opacity = Some(opacity as f32)
+            } else {
+                current.active_pane_modifiers = Some(ActivePanelModifiers {
+                    inactive_opacity: Some(opacity as f32),
+                    ..Default::default()
+                })
             }
         }
 
@@ -345,13 +350,11 @@ impl Settings for WorkspaceSettings {
             .read_value("workbench.editor.limit.value")
             .and_then(|v| v.as_u64())
             .and_then(|n| NonZeroUsize::new(n as usize))
-        {
-            if vscode
+            && vscode
                 .read_bool("workbench.editor.limit.enabled")
                 .unwrap_or_default()
-            {
-                current.max_tabs = Some(n)
-            }
+        {
+            current.max_tabs = Some(n)
         }
 
         // some combination of "window.restoreWindows" and "workbench.startupEditor" might
diff --git a/crates/worktree/src/worktree.rs b/crates/worktree/src/worktree.rs
index e6949f62df..cf61ee2669 100644
--- a/crates/worktree/src/worktree.rs
+++ b/crates/worktree/src/worktree.rs
@@ -62,7 +62,7 @@ use std::{
     },
     time::{Duration, Instant},
 };
-use sum_tree::{Bias, Edit, KeyedItem, SeekTarget, SumTree, Summary, TreeMap, TreeSet};
+use sum_tree::{Bias, Dimensions, Edit, KeyedItem, SeekTarget, SumTree, Summary, TreeMap, TreeSet};
 use text::{LineEnding, Rope};
 use util::{
     ResultExt,
@@ -1522,10 +1522,10 @@ impl LocalWorktree {
             //       reasonable limit
             {
                 const FILE_SIZE_MAX: u64 = 6 * 1024 * 1024 * 1024; // 6GB
-                if let Ok(Some(metadata)) = fs.metadata(&abs_path).await {
-                    if metadata.len >= FILE_SIZE_MAX {
-                        anyhow::bail!("File is too large to load");
-                    }
+                if let Ok(Some(metadata)) = fs.metadata(&abs_path).await
+                    && metadata.len >= FILE_SIZE_MAX
+                {
+                    anyhow::bail!("File is too large to load");
                 }
             }
             let text = fs.load(&abs_path).await?;
@@ -1968,7 +1968,7 @@ impl LocalWorktree {
         cx: &Context<Worktree>,
     ) -> Option<Task<Result<()>>> {
         let path = self.entry_for_id(entry_id).unwrap().path.clone();
-        let mut rx = self.add_path_prefix_to_scan(path.clone());
+        let mut rx = self.add_path_prefix_to_scan(path);
         Some(cx.background_spawn(async move {
             rx.next().await;
             Ok(())
@@ -2503,10 +2503,10 @@ impl Snapshot {
             if let Some(PathEntry { path, .. }) = self.entries_by_id.get(&entry.id, &()) {
                 entries_by_path_edits.push(Edit::Remove(PathKey(path.clone())));
             }
-            if let Some(old_entry) = self.entries_by_path.get(&PathKey(entry.path.clone()), &()) {
-                if old_entry.id != entry.id {
-                    entries_by_id_edits.push(Edit::Remove(old_entry.id));
-                }
+            if let Some(old_entry) = self.entries_by_path.get(&PathKey(entry.path.clone()), &())
+                && old_entry.id != entry.id
+            {
+                entries_by_id_edits.push(Edit::Remove(old_entry.id));
             }
             entries_by_id_edits.push(Edit::Insert(PathEntry {
                 id: entry.id,
@@ -2747,20 +2747,19 @@ impl LocalSnapshot {
             }
         }
 
-        if entry.kind == EntryKind::PendingDir {
-            if let Some(existing_entry) =
+        if entry.kind == EntryKind::PendingDir
+            && let Some(existing_entry) =
                 self.entries_by_path.get(&PathKey(entry.path.clone()), &())
-            {
-                entry.kind = existing_entry.kind;
-            }
+        {
+            entry.kind = existing_entry.kind;
         }
 
         let scan_id = self.scan_id;
         let removed = self.entries_by_path.insert_or_replace(entry.clone(), &());
-        if let Some(removed) = removed {
-            if removed.id != entry.id {
-                self.entries_by_id.remove(&removed.id, &());
-            }
+        if let Some(removed) = removed
+            && removed.id != entry.id
+        {
+            self.entries_by_id.remove(&removed.id, &());
         }
         self.entries_by_id.insert_or_replace(
             PathEntry {
@@ -3199,7 +3198,7 @@ impl BackgroundScannerState {
 }
 
 async fn is_git_dir(path: &Path, fs: &dyn Fs) -> bool {
-    if path.file_name() == Some(&*DOT_GIT) {
+    if path.file_name() == Some(*DOT_GIT) {
         return true;
     }
 
@@ -3394,12 +3393,10 @@ impl File {
 
         let disk_state = if proto.is_deleted {
             DiskState::Deleted
+        } else if let Some(mtime) = proto.mtime.map(&Into::into) {
+            DiskState::Present { mtime }
         } else {
-            if let Some(mtime) = proto.mtime.map(&Into::into) {
-                DiskState::Present { mtime }
-            } else {
-                DiskState::New
-            }
+            DiskState::New
         };
 
         Ok(Self {
@@ -3566,11 +3563,16 @@ impl<'a> sum_tree::Dimension<'a, PathSummary<GitSummary>> for GitSummary {
     }
 }
 
-impl<'a> sum_tree::SeekTarget<'a, PathSummary<GitSummary>, (TraversalProgress<'a>, GitSummary)>
+impl<'a>
+    sum_tree::SeekTarget<'a, PathSummary<GitSummary>, Dimensions<TraversalProgress<'a>, GitSummary>>
     for PathTarget<'_>
 {
-    fn cmp(&self, cursor_location: &(TraversalProgress<'a>, GitSummary), _: &()) -> Ordering {
-        self.cmp_path(&cursor_location.0.max_path)
+    fn cmp(
+        &self,
+        cursor_location: &Dimensions<TraversalProgress<'a>, GitSummary>,
+        _: &(),
+    ) -> Ordering {
+        self.cmp_path(cursor_location.0.max_path)
     }
 }
 
@@ -3950,7 +3952,7 @@ impl BackgroundScanner {
             .iter()
             .map(|path| {
                 if path.file_name().is_some() {
-                    root_canonical_path.as_path().join(path).to_path_buf()
+                    root_canonical_path.as_path().join(path)
                 } else {
                     root_canonical_path.as_path().to_path_buf()
                 }
@@ -4070,10 +4072,10 @@ impl BackgroundScanner {
                     }
                 }
 
-                let parent_dir_is_loaded = relative_path.parent().map_or(true, |parent| {
+                let parent_dir_is_loaded = relative_path.parent().is_none_or(|parent| {
                     snapshot
                         .entry_for_path(parent)
-                        .map_or(false, |entry| entry.kind == EntryKind::Dir)
+                        .is_some_and(|entry| entry.kind == EntryKind::Dir)
                 });
                 if !parent_dir_is_loaded {
                     log::debug!("ignoring event {relative_path:?} within unloaded directory");
@@ -4133,13 +4135,13 @@ impl BackgroundScanner {
             let root_path = state.snapshot.abs_path.clone();
             for path in paths {
                 for ancestor in path.ancestors() {
-                    if let Some(entry) = state.snapshot.entry_for_path(ancestor) {
-                        if entry.kind == EntryKind::UnloadedDir {
-                            let abs_path = root_path.as_path().join(ancestor);
-                            state.enqueue_scan_dir(abs_path.into(), entry, &scan_job_tx);
-                            state.paths_to_scan.insert(path.clone());
-                            break;
-                        }
+                    if let Some(entry) = state.snapshot.entry_for_path(ancestor)
+                        && entry.kind == EntryKind::UnloadedDir
+                    {
+                        let abs_path = root_path.as_path().join(ancestor);
+                        state.enqueue_scan_dir(abs_path.into(), entry, &scan_job_tx);
+                        state.paths_to_scan.insert(path.clone());
+                        break;
                     }
                 }
             }
@@ -4209,11 +4211,10 @@ impl BackgroundScanner {
                                 // Recursively load directories from the file system.
                                 job = scan_jobs_rx.recv().fuse() => {
                                     let Ok(job) = job else { break };
-                                    if let Err(err) = self.scan_dir(&job).await {
-                                        if job.path.as_ref() != Path::new("") {
+                                    if let Err(err) = self.scan_dir(&job).await
+                                        && job.path.as_ref() != Path::new("") {
                                             log::error!("error scanning directory {:?}: {}", job.abs_path, err);
                                         }
-                                    }
                                 }
                             }
                         }
@@ -4549,18 +4550,18 @@ impl BackgroundScanner {
 
                     state.insert_entry(fs_entry.clone(), self.fs.as_ref(), self.watcher.as_ref());
 
-                    if path.as_ref() == Path::new("") {
-                        if let Some((ignores, repo)) = new_ancestor_repo.take() {
-                            log::trace!("updating ancestor git repository");
-                            state.snapshot.ignores_by_parent_abs_path.extend(ignores);
-                            if let Some((ancestor_dot_git, work_directory)) = repo {
-                                state.insert_git_repository_for_path(
-                                    work_directory,
-                                    ancestor_dot_git.as_path().into(),
-                                    self.fs.as_ref(),
-                                    self.watcher.as_ref(),
-                                );
-                            }
+                    if path.as_ref() == Path::new("")
+                        && let Some((ignores, repo)) = new_ancestor_repo.take()
+                    {
+                        log::trace!("updating ancestor git repository");
+                        state.snapshot.ignores_by_parent_abs_path.extend(ignores);
+                        if let Some((ancestor_dot_git, work_directory)) = repo {
+                            state.insert_git_repository_for_path(
+                                work_directory,
+                                ancestor_dot_git.as_path().into(),
+                                self.fs.as_ref(),
+                                self.watcher.as_ref(),
+                            );
                         }
                     }
                 }
@@ -4585,13 +4586,12 @@ impl BackgroundScanner {
         if !path
             .components()
             .any(|component| component.as_os_str() == *DOT_GIT)
+            && let Some(local_repo) = snapshot.local_repo_for_work_directory_path(path)
         {
-            if let Some(local_repo) = snapshot.local_repo_for_work_directory_path(path) {
-                let id = local_repo.work_directory_id;
-                log::debug!("remove repo path: {:?}", path);
-                snapshot.git_repositories.remove(&id);
-                return Some(());
-            }
+            let id = local_repo.work_directory_id;
+            log::debug!("remove repo path: {:?}", path);
+            snapshot.git_repositories.remove(&id);
+            return Some(());
         }
 
         Some(())
@@ -4628,7 +4628,7 @@ impl BackgroundScanner {
             while let Some(parent_abs_path) = ignores_to_update.next() {
                 while ignores_to_update
                     .peek()
-                    .map_or(false, |p| p.starts_with(&parent_abs_path))
+                    .is_some_and(|p| p.starts_with(&parent_abs_path))
                 {
                     ignores_to_update.next().unwrap();
                 }
@@ -4733,10 +4733,10 @@ impl BackgroundScanner {
 
         let state = &mut self.state.lock();
         for edit in &entries_by_path_edits {
-            if let Edit::Insert(entry) = edit {
-                if let Err(ix) = state.changed_paths.binary_search(&entry.path) {
-                    state.changed_paths.insert(ix, entry.path.clone());
-                }
+            if let Edit::Insert(entry) = edit
+                && let Err(ix) = state.changed_paths.binary_search(&entry.path)
+            {
+                state.changed_paths.insert(ix, entry.path.clone());
             }
         }
 
@@ -4795,9 +4795,7 @@ impl BackgroundScanner {
         for (&work_directory_id, entry) in snapshot.git_repositories.iter() {
             let exists_in_snapshot = snapshot
                 .entry_for_id(work_directory_id)
-                .map_or(false, |entry| {
-                    snapshot.entry_for_path(entry.path.join(*DOT_GIT)).is_some()
-                });
+                .is_some_and(|entry| snapshot.entry_for_path(entry.path.join(*DOT_GIT)).is_some());
 
             if exists_in_snapshot
                 || matches!(
@@ -4922,10 +4920,10 @@ fn build_diff(
     new_paths.next();
     for path in event_paths {
         let path = PathKey(path.clone());
-        if old_paths.item().map_or(false, |e| e.path < path.0) {
+        if old_paths.item().is_some_and(|e| e.path < path.0) {
             old_paths.seek_forward(&path, Bias::Left);
         }
-        if new_paths.item().map_or(false, |e| e.path < path.0) {
+        if new_paths.item().is_some_and(|e| e.path < path.0) {
             new_paths.seek_forward(&path, Bias::Left);
         }
         loop {
@@ -4975,7 +4973,7 @@ fn build_diff(
                             let is_newly_loaded = phase == InitialScan
                                 || last_newly_loaded_dir_path
                                     .as_ref()
-                                    .map_or(false, |dir| new_entry.path.starts_with(dir));
+                                    .is_some_and(|dir| new_entry.path.starts_with(dir));
                             changes.push((
                                 new_entry.path.clone(),
                                 new_entry.id,
@@ -4993,7 +4991,7 @@ fn build_diff(
                     let is_newly_loaded = phase == InitialScan
                         || last_newly_loaded_dir_path
                             .as_ref()
-                            .map_or(false, |dir| new_entry.path.starts_with(dir));
+                            .is_some_and(|dir| new_entry.path.starts_with(dir));
                     changes.push((
                         new_entry.path.clone(),
                         new_entry.id,
@@ -5282,13 +5280,12 @@ impl<'a> Traversal<'a> {
         while let Some(entry) = self.cursor.item() {
             self.cursor
                 .seek_forward(&TraversalTarget::successor(&entry.path), Bias::Left);
-            if let Some(entry) = self.cursor.item() {
-                if (self.include_files || !entry.is_file())
-                    && (self.include_dirs || !entry.is_dir())
-                    && (self.include_ignored || !entry.is_ignored || entry.is_always_included)
-                {
-                    return true;
-                }
+            if let Some(entry) = self.cursor.item()
+                && (self.include_files || !entry.is_file())
+                && (self.include_dirs || !entry.is_dir())
+                && (self.include_ignored || !entry.is_ignored || entry.is_always_included)
+            {
+                return true;
             }
         }
         false
@@ -5359,13 +5356,13 @@ impl PathTarget<'_> {
 
 impl<'a, S: Summary> SeekTarget<'a, PathSummary<S>, PathProgress<'a>> for PathTarget<'_> {
     fn cmp(&self, cursor_location: &PathProgress<'a>, _: &S::Context) -> Ordering {
-        self.cmp_path(&cursor_location.max_path)
+        self.cmp_path(cursor_location.max_path)
     }
 }
 
 impl<'a, S: Summary> SeekTarget<'a, PathSummary<S>, TraversalProgress<'a>> for PathTarget<'_> {
     fn cmp(&self, cursor_location: &TraversalProgress<'a>, _: &S::Context) -> Ordering {
-        self.cmp_path(&cursor_location.max_path)
+        self.cmp_path(cursor_location.max_path)
     }
 }
 
@@ -5391,7 +5388,7 @@ impl<'a> TraversalTarget<'a> {
 
     fn cmp_progress(&self, progress: &TraversalProgress) -> Ordering {
         match self {
-            TraversalTarget::Path(path) => path.cmp_path(&progress.max_path),
+            TraversalTarget::Path(path) => path.cmp_path(progress.max_path),
             TraversalTarget::Count {
                 count,
                 include_files,
@@ -5432,11 +5429,11 @@ impl<'a> Iterator for ChildEntriesIter<'a> {
     type Item = &'a Entry;
 
     fn next(&mut self) -> Option<Self::Item> {
-        if let Some(item) = self.traversal.entry() {
-            if item.path.starts_with(self.parent_path) {
-                self.traversal.advance_to_sibling();
-                return Some(item);
-            }
+        if let Some(item) = self.traversal.entry()
+            && item.path.starts_with(self.parent_path)
+        {
+            self.traversal.advance_to_sibling();
+            return Some(item);
         }
         None
     }
@@ -5512,7 +5509,7 @@ impl ProjectEntryId {
         Self(id as usize)
     }
 
-    pub fn to_proto(&self) -> u64 {
+    pub fn to_proto(self) -> u64 {
         self.0 as u64
     }
 
@@ -5520,14 +5517,14 @@ impl ProjectEntryId {
         ProjectEntryId(id)
     }
 
-    pub fn to_usize(&self) -> usize {
+    pub fn to_usize(self) -> usize {
         self.0
     }
 }
 
 #[cfg(any(test, feature = "test-support"))]
 impl CreatedEntry {
-    pub fn to_included(self) -> Option<Entry> {
+    pub fn into_included(self) -> Option<Entry> {
         match self {
             CreatedEntry::Included(entry) => Some(entry),
             CreatedEntry::Excluded { .. } => None,
@@ -5546,7 +5543,7 @@ fn discover_git_paths(dot_git_abs_path: &Arc<Path>, fs: &dyn Fs) -> (Arc<Path>,
     let mut repository_dir_abs_path = dot_git_abs_path.clone();
     let mut common_dir_abs_path = dot_git_abs_path.clone();
 
-    if let Some(path) = smol::block_on(fs.load(&dot_git_abs_path))
+    if let Some(path) = smol::block_on(fs.load(dot_git_abs_path))
         .ok()
         .as_ref()
         .and_then(|contents| parse_gitfile(contents).log_err())
@@ -5559,12 +5556,10 @@ fn discover_git_paths(dot_git_abs_path: &Arc<Path>, fs: &dyn Fs) -> (Arc<Path>,
             repository_dir_abs_path = Path::new(&path).into();
             common_dir_abs_path = repository_dir_abs_path.clone();
             if let Some(commondir_contents) = smol::block_on(fs.load(&path.join("commondir"))).ok()
-            {
-                if let Some(commondir_path) =
+                && let Some(commondir_path) =
                     smol::block_on(fs.canonicalize(&path.join(commondir_contents.trim()))).log_err()
-                {
-                    common_dir_abs_path = commondir_path.as_path().into();
-                }
+            {
+                common_dir_abs_path = commondir_path.as_path().into();
             }
         }
     };
diff --git a/crates/worktree/src/worktree_settings.rs b/crates/worktree/src/worktree_settings.rs
index 26cf16e8f6..b18d3509be 100644
--- a/crates/worktree/src/worktree_settings.rs
+++ b/crates/worktree/src/worktree_settings.rs
@@ -82,7 +82,7 @@ impl Settings for WorktreeSettings {
                     .ancestors()
                     .map(|a| a.to_string_lossy().into())
             })
-            .filter(|p| p != "")
+            .filter(|p: &String| !p.is_empty())
             .collect();
         file_scan_exclusions.sort();
         private_files.sort();
diff --git a/crates/worktree/src/worktree_tests.rs b/crates/worktree/src/worktree_tests.rs
index d4c309e5bc..c46e14f077 100644
--- a/crates/worktree/src/worktree_tests.rs
+++ b/crates/worktree/src/worktree_tests.rs
@@ -1254,7 +1254,7 @@ async fn test_create_directory_during_initial_scan(cx: &mut TestAppContext) {
         let snapshot = Arc::new(Mutex::new(tree.snapshot()));
         tree.observe_updates(0, cx, {
             let snapshot = snapshot.clone();
-            let settings = tree.settings().clone();
+            let settings = tree.settings();
             move |update| {
                 snapshot
                     .lock()
@@ -1274,7 +1274,7 @@ async fn test_create_directory_during_initial_scan(cx: &mut TestAppContext) {
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
     assert!(entry.is_dir());
 
@@ -1323,7 +1323,7 @@ async fn test_create_dir_all_on_create_entry(cx: &mut TestAppContext) {
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
     assert!(entry.is_file());
 
@@ -1357,7 +1357,7 @@ async fn test_create_dir_all_on_create_entry(cx: &mut TestAppContext) {
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
     assert!(entry.is_file());
 
@@ -1377,7 +1377,7 @@ async fn test_create_dir_all_on_create_entry(cx: &mut TestAppContext) {
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
     assert!(entry.is_file());
 
@@ -1395,7 +1395,7 @@ async fn test_create_dir_all_on_create_entry(cx: &mut TestAppContext) {
         })
         .await
         .unwrap()
-        .to_included()
+        .into_included()
         .unwrap();
     assert!(entry.is_file());
 
@@ -1726,7 +1726,7 @@ fn randomly_mutate_worktree(
             );
             let task = worktree.rename_entry(entry.id, new_path, cx);
             cx.background_spawn(async move {
-                task.await?.to_included().unwrap();
+                task.await?.into_included().unwrap();
                 Ok(())
             })
         }
diff --git a/crates/x_ai/src/x_ai.rs b/crates/x_ai/src/x_ai.rs
index ac116b2f8f..569503784c 100644
--- a/crates/x_ai/src/x_ai.rs
+++ b/crates/x_ai/src/x_ai.rs
@@ -105,6 +105,10 @@ impl Model {
         }
     }
 
+    pub fn supports_prompt_cache_key(&self) -> bool {
+        false
+    }
+
     pub fn supports_tool(&self) -> bool {
         match self {
             Self::Grok2Vision
@@ -118,9 +122,6 @@ impl Model {
     }
 
     pub fn supports_images(&self) -> bool {
-        match self {
-            Self::Grok2Vision => true,
-            _ => false,
-        }
+        matches!(self, Self::Grok2Vision)
     }
 }
diff --git a/crates/zed/Cargo.toml b/crates/zed/Cargo.toml
index 536af7b7b9..6f4ead9ebb 100644
--- a/crates/zed/Cargo.toml
+++ b/crates/zed/Cargo.toml
@@ -2,7 +2,7 @@
 description = "The fast, collaborative code editor."
 edition.workspace = true
 name = "zed"
-version = "0.199.0"
+version = "0.202.0"
 publish.workspace = true
 license = "GPL-3.0-or-later"
 authors = ["Zed Team <hi@zed.dev>"]
@@ -20,6 +20,7 @@ path = "src/main.rs"
 
 [dependencies]
 activity_indicator.workspace = true
+acp_tools.workspace = true
 agent.workspace = true
 agent_ui.workspace = true
 agent_settings.workspace = true
@@ -33,6 +34,7 @@ audio.workspace = true
 auto_update.workspace = true
 auto_update_ui.workspace = true
 backtrace = "0.3"
+bincode.workspace = true
 breadcrumbs.workspace = true
 call.workspace = true
 channel.workspace = true
@@ -45,6 +47,7 @@ collections.workspace = true
 command_palette.workspace = true
 component.workspace = true
 copilot.workspace = true
+crashes.workspace = true
 dap_adapters.workspace = true
 db.workspace = true
 debug_adapter_extension.workspace = true
@@ -59,6 +62,7 @@ extensions_ui.workspace = true
 feature_flags.workspace = true
 feedback.workspace = true
 file_finder.workspace = true
+system_specs.workspace = true
 fs.workspace = true
 futures.workspace = true
 git.workspace = true
@@ -76,11 +80,12 @@ gpui_tokio.workspace = true
 http_client.workspace = true
 image_viewer.workspace = true
 indoc.workspace = true
-inline_completion_button.workspace = true
+edit_prediction_button.workspace = true
 inspector_ui.workspace = true
 install_cli.workspace = true
 jj_ui.workspace = true
 journal.workspace = true
+livekit_client.workspace = true
 language.workspace = true
 language_extension.workspace = true
 language_model.workspace = true
@@ -117,6 +122,7 @@ recent_projects.workspace = true
 release_channel.workspace = true
 remote.workspace = true
 repl.workspace = true
+reqwest.workspace = true
 reqwest_client.workspace = true
 rope.workspace = true
 search.workspace = true
@@ -155,7 +161,6 @@ vim_mode_setting.workspace = true
 watch.workspace = true
 web_search.workspace = true
 web_search_providers.workspace = true
-welcome.workspace = true
 workspace-hack.workspace = true
 workspace.workspace = true
 zed_actions.workspace = true
diff --git a/crates/zed/build.rs b/crates/zed/build.rs
index eb18617add..c6d943a459 100644
--- a/crates/zed/build.rs
+++ b/crates/zed/build.rs
@@ -23,22 +23,20 @@ fn main() {
         "cargo:rustc-env=TARGET={}",
         std::env::var("TARGET").unwrap()
     );
-    if let Ok(output) = Command::new("git").args(["rev-parse", "HEAD"]).output() {
-        if output.status.success() {
-            let git_sha = String::from_utf8_lossy(&output.stdout);
-            let git_sha = git_sha.trim();
+    if let Ok(output) = Command::new("git").args(["rev-parse", "HEAD"]).output()
+        && output.status.success()
+    {
+        let git_sha = String::from_utf8_lossy(&output.stdout);
+        let git_sha = git_sha.trim();
 
-            println!("cargo:rustc-env=ZED_COMMIT_SHA={git_sha}");
+        println!("cargo:rustc-env=ZED_COMMIT_SHA={git_sha}");
 
-            if let Ok(build_profile) = std::env::var("PROFILE") {
-                if build_profile == "release" {
-                    // This is currently the best way to make `cargo build ...`'s build script
-                    // to print something to stdout without extra verbosity.
-                    println!(
-                        "cargo:warning=Info: using '{git_sha}' hash for ZED_COMMIT_SHA env var"
-                    );
-                }
-            }
+        if let Ok(build_profile) = std::env::var("PROFILE")
+            && build_profile == "release"
+        {
+            // This is currently the best way to make `cargo build ...`'s build script
+            // to print something to stdout without extra verbosity.
+            println!("cargo:warning=Info: using '{git_sha}' hash for ZED_COMMIT_SHA env var");
         }
     }
 
diff --git a/crates/zed/resources/flatpak/manifest-template.json b/crates/zed/resources/flatpak/manifest-template.json
index 1560027e9f..0a14a1c2b0 100644
--- a/crates/zed/resources/flatpak/manifest-template.json
+++ b/crates/zed/resources/flatpak/manifest-template.json
@@ -38,7 +38,7 @@
       },
       "build-commands": [
         "install -Dm644 $ICON_FILE.png /app/share/icons/hicolor/512x512/apps/$APP_ID.png",
-        "envsubst < zed.desktop.in > zed.desktop && install -Dm644 zed.desktop /app/share/applications/$APP_ID.desktop",
+        "envsubst < zed.desktop.in > zed.desktop && install -Dm755 zed.desktop /app/share/applications/$APP_ID.desktop",
         "envsubst < flatpak/zed.metainfo.xml.in > zed.metainfo.xml && install -Dm644 zed.metainfo.xml /app/share/metainfo/$APP_ID.metainfo.xml",
         "sed -i -e '/@release_info@/{r flatpak/release-info/$CHANNEL' -e 'd}' /app/share/metainfo/$APP_ID.metainfo.xml",
         "install -Dm755 bin/zed /app/bin/zed",
diff --git a/crates/zed/resources/info/SupportedPlatforms.plist b/crates/zed/resources/info/SupportedPlatforms.plist
new file mode 100644
index 0000000000..fd2a4101d8
--- /dev/null
+++ b/crates/zed/resources/info/SupportedPlatforms.plist
@@ -0,0 +1,4 @@
+<key>CFBundleSupportedPlatforms</key>
+<array>
+    <string>MacOSX</string>
+</array>
diff --git a/crates/zed/resources/windows/app-icon-nightly.ico b/crates/zed/resources/windows/app-icon-nightly.ico
index 15e06a6e17..875c0d7b35 100644
Binary files a/crates/zed/resources/windows/app-icon-nightly.ico and b/crates/zed/resources/windows/app-icon-nightly.ico differ
diff --git a/crates/zed/src/main.rs b/crates/zed/src/main.rs
index 338840607b..e99c8b564b 100644
--- a/crates/zed/src/main.rs
+++ b/crates/zed/src/main.rs
@@ -5,9 +5,10 @@ use agent_ui::AgentPanel;
 use anyhow::{Context as _, Result};
 use clap::{Parser, command};
 use cli::FORCE_CLI_MODE_ENV_VAR_NAME;
-use client::{Client, CloudUserStore, ProxySettings, UserStore, parse_zed_link};
+use client::{Client, ProxySettings, UserStore, parse_zed_link};
 use collab_ui::channel_view::ChannelView;
 use collections::HashMap;
+use crashes::InitCrashHandler;
 use db::kvp::{GLOBAL_KEY_VALUE_STORE, KEY_VALUE_STORE};
 use editor::Editor;
 use extension::ExtensionHostProxy;
@@ -15,11 +16,12 @@ use extension_host::ExtensionStore;
 use fs::{Fs, RealFs};
 use futures::{StreamExt, channel::oneshot, future};
 use git::GitHostingProviderRegistry;
-use gpui::{App, AppContext as _, Application, AsyncApp, Focusable as _, UpdateGlobal as _};
+use gpui::{App, AppContext, Application, AsyncApp, Focusable as _, UpdateGlobal as _};
 
 use gpui_tokio::Tokio;
 use http_client::{Url, read_proxy_from_env};
 use language::LanguageRegistry;
+use onboarding::{FIRST_OPEN, show_onboarding_view};
 use prompt_store::PromptBuilder;
 use reqwest_client::ReqwestClient;
 
@@ -42,18 +44,17 @@ use theme::{
     ActiveTheme, IconThemeNotFoundError, SystemAppearance, ThemeNotFoundError, ThemeRegistry,
     ThemeSettings,
 };
-use util::{ConnectionResult, ResultExt, TryFutureExt, maybe};
+use util::{ResultExt, TryFutureExt, maybe};
 use uuid::Uuid;
-use welcome::{FIRST_OPEN, show_welcome_view};
 use workspace::{
-    AppState, SerializedWorkspaceLocation, Toast, Workspace, WorkspaceSettings, WorkspaceStore,
-    notifications::NotificationId,
+    AppState, PathList, SerializedWorkspaceLocation, Toast, Workspace, WorkspaceSettings,
+    WorkspaceStore, notifications::NotificationId,
 };
 use zed::{
     OpenListener, OpenRequest, RawOpenRequest, app_menus, build_window_options,
-    derive_paths_with_position, handle_cli_connection, handle_keymap_file_changes,
-    handle_settings_changed, handle_settings_file_changes, initialize_workspace,
-    inline_completion_registry, open_paths_with_positions,
+    derive_paths_with_position, edit_prediction_registry, handle_cli_connection,
+    handle_keymap_file_changes, handle_settings_changed, handle_settings_file_changes,
+    initialize_workspace, open_paths_with_positions,
 };
 
 use crate::zed::OpenRequestKind;
@@ -79,12 +80,9 @@ fn files_not_created_on_launch(errors: HashMap<io::ErrorKind, Vec<&Path>>) {
 
             #[cfg(unix)]
             {
-                match kind {
-                    io::ErrorKind::PermissionDenied => {
-                        error_kind_details.push_str("\n\nConsider using chown and chmod tools for altering the directories permissions if your user has corresponding rights.\
-                            \nFor example, `sudo chown $(whoami):staff ~/.config` and `chmod +uwrx ~/.config`");
-                    }
-                    _ => {}
+                if kind == io::ErrorKind::PermissionDenied {
+                    error_kind_details.push_str("\n\nConsider using chown and chmod tools for altering the directories permissions if your user has corresponding rights.\
+                        \nFor example, `sudo chown $(whoami):staff ~/.config` and `chmod +uwrx ~/.config`");
                 }
             }
 
@@ -172,6 +170,12 @@ pub fn main() {
 
     let args = Args::parse();
 
+    // `zed --crash-handler` Makes zed operate in minidump crash handler mode
+    if let Some(socket) = &args.crash_handler {
+        crashes::crash_server(socket.as_path());
+        return;
+    }
+
     // `zed --askpass` Makes zed operate in nc/netcat mode for use with askpass
     if let Some(socket) = &args.askpass {
         askpass::main(socket);
@@ -195,16 +199,6 @@ pub fn main() {
         return;
     }
 
-    // Check if there is a pending installer
-    // If there is, run the installer and exit
-    // And we don't want to run the installer if we are not the first instance
-    #[cfg(target_os = "windows")]
-    let is_first_instance = crate::zed::windows_only_instance::is_first_instance();
-    #[cfg(target_os = "windows")]
-    if is_first_instance && auto_update::check_pending_installation() {
-        return;
-    }
-
     if args.dump_all_actions {
         dump_all_gpui_actions();
         return;
@@ -246,16 +240,24 @@ pub fn main() {
         option_env!("ZED_COMMIT_SHA").map(|commit_sha| AppCommitSha::new(commit_sha.to_string()));
 
     if args.system_specs {
-        let system_specs = feedback::system_specs::SystemSpecs::new_stateless(
+        let system_specs = system_specs::SystemSpecs::new_stateless(
             app_version,
-            app_commit_sha.clone(),
+            app_commit_sha,
             *release_channel::RELEASE_CHANNEL,
         );
         println!("Zed System Specs (from CLI):\n{}", system_specs);
         return;
     }
 
-    log::info!("========== starting zed ==========");
+    log::info!(
+        "========== starting zed version {}, sha {} ==========",
+        app_version,
+        app_commit_sha
+            .as_ref()
+            .map(|sha| sha.short())
+            .as_deref()
+            .unwrap_or("unknown"),
+    );
 
     let app = Application::new().with_assets(Assets);
 
@@ -264,6 +266,17 @@ pub fn main() {
     let session_id = Uuid::new_v4().to_string();
     let session = app.background_executor().block(Session::new());
 
+    app.background_executor()
+        .spawn(crashes::init(InitCrashHandler {
+            session_id: session_id.clone(),
+            zed_version: app_version.to_string(),
+            release_channel: release_channel::RELEASE_CHANNEL_NAME.clone(),
+            commit_sha: app_commit_sha
+                .as_ref()
+                .map(|sha| sha.full())
+                .unwrap_or_else(|| "no sha".to_owned()),
+        }))
+        .detach();
     reliability::init_panic_hook(
         app_version,
         app_commit_sha.clone(),
@@ -274,30 +287,27 @@ pub fn main() {
 
     let (open_listener, mut open_rx) = OpenListener::new();
 
-    let failed_single_instance_check =
-        if *db::ZED_STATELESS || *release_channel::RELEASE_CHANNEL == ReleaseChannel::Dev {
-            false
-        } else {
-            #[cfg(any(target_os = "linux", target_os = "freebsd"))]
-            {
-                crate::zed::listen_for_cli_connections(open_listener.clone()).is_err()
-            }
+    let failed_single_instance_check = if *db::ZED_STATELESS
+        || *release_channel::RELEASE_CHANNEL == ReleaseChannel::Dev
+    {
+        false
+    } else {
+        #[cfg(any(target_os = "linux", target_os = "freebsd"))]
+        {
+            crate::zed::listen_for_cli_connections(open_listener.clone()).is_err()
+        }
 
-            #[cfg(target_os = "windows")]
-            {
-                !crate::zed::windows_only_instance::handle_single_instance(
-                    open_listener.clone(),
-                    &args,
-                    is_first_instance,
-                )
-            }
+        #[cfg(target_os = "windows")]
+        {
+            !crate::zed::windows_only_instance::handle_single_instance(open_listener.clone(), &args)
+        }
 
-            #[cfg(target_os = "macos")]
-            {
-                use zed::mac_only_instance::*;
-                ensure_only_instance() != IsOnlyInstance::Yes
-            }
-        };
+        #[cfg(target_os = "macos")]
+        {
+            use zed::mac_only_instance::*;
+            ensure_only_instance() != IsOnlyInstance::Yes
+        }
+    };
     if failed_single_instance_check {
         println!("zed is already running");
         return;
@@ -357,10 +367,10 @@ pub fn main() {
         if let Some(app_state) = AppState::try_global(cx).and_then(|app_state| app_state.upgrade())
         {
             cx.spawn({
-                let app_state = app_state.clone();
-                async move |mut cx| {
-                    if let Err(e) = restore_or_create_workspace(app_state, &mut cx).await {
-                        fail_to_open_window_async(e, &mut cx)
+                let app_state = app_state;
+                async move |cx| {
+                    if let Err(e) = restore_or_create_workspace(app_state, cx).await {
+                        fail_to_open_window_async(e, cx)
                     }
                 }
             })
@@ -457,8 +467,6 @@ pub fn main() {
         language::init(cx);
         languages::init(languages.clone(), node_runtime.clone(), cx);
         let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
-        let cloud_user_store =
-            cx.new(|cx| CloudUserStore::new(client.cloud_client(), user_store.clone(), cx));
         let workspace_store = cx.new(|cx| WorkspaceStore::new(client.clone(), cx));
 
         language_extension::init(
@@ -515,14 +523,13 @@ pub fn main() {
         let app_session = cx.new(|cx| AppSession::new(session, cx));
 
         let app_state = Arc::new(AppState {
-            languages: languages.clone(),
+            languages,
             client: client.clone(),
-            user_store: user_store.clone(),
-            cloud_user_store,
+            user_store,
             fs: fs.clone(),
             build_window_options,
             workspace_store,
-            node_runtime: node_runtime.clone(),
+            node_runtime,
             session: app_session,
         });
         AppState::set_global(Arc::downgrade(&app_state), cx);
@@ -559,14 +566,11 @@ pub fn main() {
         language_models::init(app_state.user_store.clone(), app_state.client.clone(), cx);
         agent_settings::init(cx);
         agent_servers::init(cx);
+        acp_tools::init(cx);
         web_search::init(cx);
         web_search_providers::init(app_state.client.clone(), cx);
         snippet_provider::init(cx);
-        inline_completion_registry::init(
-            app_state.client.clone(),
-            app_state.user_store.clone(),
-            cx,
-        );
+        edit_prediction_registry::init(app_state.client.clone(), app_state.user_store.clone(), cx);
         let prompt_builder = PromptBuilder::load(app_state.fs.clone(), stdout_is_a_pty(), cx);
         agent_ui::init(
             app_state.fs.clone(),
@@ -595,7 +599,7 @@ pub fn main() {
         repl::notebook::init(cx);
         diagnostics::init(cx);
 
-        audio::init(Assets, cx);
+        audio::init(cx);
         workspace::init(app_state.clone(), cx);
         ui_prompt::init(cx);
 
@@ -626,7 +630,6 @@ pub fn main() {
         feedback::init(cx);
         markdown_preview::init(cx);
         svg_preview::init(cx);
-        welcome::init(cx);
         onboarding::init(cx);
         settings_ui::init(cx);
         extensions_ui::init(cx);
@@ -685,17 +688,9 @@ pub fn main() {
 
         cx.spawn({
             let client = app_state.client.clone();
-            async move |cx| match authenticate(client, &cx).await {
-                ConnectionResult::Timeout => log::error!("Timeout during initial auth"),
-                ConnectionResult::ConnectionReset => {
-                    log::error!("Connection reset during initial auth")
-                }
-                ConnectionResult::Result(r) => {
-                    r.log_err();
-                }
-            }
+            async move |cx| authenticate(client, cx).await
         })
-        .detach();
+        .detach_and_log_err(cx);
 
         let urls: Vec<_> = args
             .paths_or_urls
@@ -725,9 +720,9 @@ pub fn main() {
             None => {
                 cx.spawn({
                     let app_state = app_state.clone();
-                    async move |mut cx| {
-                        if let Err(e) = restore_or_create_workspace(app_state, &mut cx).await {
-                            fail_to_open_window_async(e, &mut cx)
+                    async move |cx| {
+                        if let Err(e) = restore_or_create_workspace(app_state, cx).await {
+                            fail_to_open_window_async(e, cx)
                         }
                     }
                 })
@@ -757,7 +752,6 @@ fn handle_open_request(request: OpenRequest, app_state: Arc<AppState>, cx: &mut
     if let Some(kind) = request.kind {
         match kind {
             OpenRequestKind::CliConnection(connection) => {
-                let app_state = app_state.clone();
                 cx.spawn(async move |cx| handle_cli_connection(connection, app_state, cx).await)
                     .detach();
             }
@@ -798,14 +792,14 @@ fn handle_open_request(request: OpenRequest, app_state: Arc<AppState>, cx: &mut
     }
 
     if let Some(connection_options) = request.ssh_connection {
-        cx.spawn(async move |mut cx| {
+        cx.spawn(async move |cx| {
             let paths: Vec<PathBuf> = request.open_paths.into_iter().map(PathBuf::from).collect();
             open_ssh_project(
                 connection_options,
                 paths,
                 app_state,
                 workspace::OpenOptions::default(),
-                &mut cx,
+                cx,
             )
             .await
         })
@@ -816,7 +810,7 @@ fn handle_open_request(request: OpenRequest, app_state: Arc<AppState>, cx: &mut
     let mut task = None;
     if !request.open_paths.is_empty() || !request.diff_paths.is_empty() {
         let app_state = app_state.clone();
-        task = Some(cx.spawn(async move |mut cx| {
+        task = Some(cx.spawn(async move |cx| {
             let paths_with_position =
                 derive_paths_with_position(app_state.fs.as_ref(), request.open_paths).await;
             let (_window, results) = open_paths_with_positions(
@@ -824,7 +818,7 @@ fn handle_open_request(request: OpenRequest, app_state: Arc<AppState>, cx: &mut
                 &request.diff_paths,
                 app_state,
                 workspace::OpenOptions::default(),
-                &mut cx,
+                cx,
             )
             .await?;
             for result in results.into_iter().flatten() {
@@ -837,7 +831,7 @@ fn handle_open_request(request: OpenRequest, app_state: Arc<AppState>, cx: &mut
     }
 
     if !request.open_channel_notes.is_empty() || request.join_channel.is_some() {
-        cx.spawn(async move |mut cx| {
+        cx.spawn(async move |cx| {
             let result = maybe!(async {
                 if let Some(task) = task {
                     task.await?;
@@ -845,15 +839,7 @@ fn handle_open_request(request: OpenRequest, app_state: Arc<AppState>, cx: &mut
                 let client = app_state.client.clone();
                 // we continue even if authentication fails as join_channel/ open channel notes will
                 // show a visible error message.
-                match authenticate(client, &cx).await {
-                    ConnectionResult::Timeout => {
-                        log::error!("Timeout during open request handling")
-                    }
-                    ConnectionResult::ConnectionReset => {
-                        log::error!("Connection reset during open request handling")
-                    }
-                    ConnectionResult::Result(r) => r?,
-                };
+                authenticate(client, cx).await.log_err();
 
                 if let Some(channel_id) = request.join_channel {
                     cx.update(|cx| {
@@ -889,32 +875,32 @@ fn handle_open_request(request: OpenRequest, app_state: Arc<AppState>, cx: &mut
             })
             .await;
             if let Err(err) = result {
-                fail_to_open_window_async(err, &mut cx);
+                fail_to_open_window_async(err, cx);
             }
         })
         .detach()
     } else if let Some(task) = task {
-        cx.spawn(async move |mut cx| {
+        cx.spawn(async move |cx| {
             if let Err(err) = task.await {
-                fail_to_open_window_async(err, &mut cx);
+                fail_to_open_window_async(err, cx);
             }
         })
         .detach();
     }
 }
 
-async fn authenticate(client: Arc<Client>, cx: &AsyncApp) -> ConnectionResult<()> {
+async fn authenticate(client: Arc<Client>, cx: &AsyncApp) -> Result<()> {
     if stdout_is_a_pty() {
         if client::IMPERSONATE_LOGIN.is_some() {
-            return client.authenticate_and_connect(false, cx).await;
+            client.sign_in_with_optional_connect(false, cx).await?;
         } else if client.has_credentials(cx).await {
-            return client.authenticate_and_connect(true, cx).await;
+            client.sign_in_with_optional_connect(true, cx).await?;
         }
     } else if client.has_credentials(cx).await {
-        return client.authenticate_and_connect(true, cx).await;
+        client.sign_in_with_optional_connect(true, cx).await?;
     }
 
-    ConnectionResult::Result(Ok(()))
+    Ok(())
 }
 
 async fn system_id() -> Result<IdType> {
@@ -963,15 +949,14 @@ async fn restore_or_create_workspace(app_state: Arc<AppState>, cx: &mut AsyncApp
     if let Some(locations) = restorable_workspace_locations(cx, &app_state).await {
         let mut tasks = Vec::new();
 
-        for location in locations {
+        for (location, paths) in locations {
             match location {
-                SerializedWorkspaceLocation::Local(location, _) => {
+                SerializedWorkspaceLocation::Local => {
                     let app_state = app_state.clone();
-                    let paths = location.paths().to_vec();
                     let task = cx.spawn(async move |cx| {
                         let open_task = cx.update(|cx| {
                             workspace::open_paths(
-                                &paths,
+                                &paths.paths(),
                                 app_state,
                                 workspace::OpenOptions::default(),
                                 cx,
@@ -993,7 +978,7 @@ async fn restore_or_create_workspace(app_state: Arc<AppState>, cx: &mut AsyncApp
                         match connection_options {
                             Ok(connection_options) => recent_projects::open_ssh_project(
                                 connection_options,
-                                ssh.paths.into_iter().map(PathBuf::from).collect(),
+                                paths.paths().into_iter().map(PathBuf::from).collect(),
                                 app_state,
                                 workspace::OpenOptions::default(),
                                 cx,
@@ -1037,18 +1022,18 @@ async fn restore_or_create_workspace(app_state: Arc<AppState>, cx: &mut AsyncApp
             // Try to find an active workspace to show the toast
             let toast_shown = cx
                 .update(|cx| {
-                    if let Some(window) = cx.active_window() {
-                        if let Some(workspace) = window.downcast::<Workspace>() {
-                            workspace
-                                .update(cx, |workspace, _, cx| {
-                                    workspace.show_toast(
-                                        Toast::new(NotificationId::unique::<()>(), message),
-                                        cx,
-                                    )
-                                })
-                                .ok();
-                            return true;
-                        }
+                    if let Some(window) = cx.active_window()
+                        && let Some(workspace) = window.downcast::<Workspace>()
+                    {
+                        workspace
+                            .update(cx, |workspace, _, cx| {
+                                workspace.show_toast(
+                                    Toast::new(NotificationId::unique::<()>(), message),
+                                    cx,
+                                )
+                            })
+                            .ok();
+                        return true;
                     }
                     false
                 })
@@ -1063,7 +1048,7 @@ async fn restore_or_create_workspace(app_state: Arc<AppState>, cx: &mut AsyncApp
             }
         }
     } else if matches!(KEY_VALUE_STORE.read_kvp(FIRST_OPEN), Ok(None)) {
-        cx.update(|cx| show_welcome_view(app_state, cx))?.await?;
+        cx.update(|cx| show_onboarding_view(app_state, cx))?.await?;
     } else {
         cx.update(|cx| {
             workspace::open_new(
@@ -1084,7 +1069,7 @@ async fn restore_or_create_workspace(app_state: Arc<AppState>, cx: &mut AsyncApp
 pub(crate) async fn restorable_workspace_locations(
     cx: &mut AsyncApp,
     app_state: &Arc<AppState>,
-) -> Option<Vec<SerializedWorkspaceLocation>> {
+) -> Option<Vec<(SerializedWorkspaceLocation, PathList)>> {
     let mut restore_behavior = cx
         .update(|cx| WorkspaceSettings::get(None, cx).restore_on_startup)
         .ok()?;
@@ -1128,10 +1113,8 @@ pub(crate) async fn restorable_workspace_locations(
 
                 // Since last_session_window_order returns the windows ordered front-to-back
                 // we need to open the window that was frontmost last.
-                if ordered {
-                    if let Some(locations) = locations.as_mut() {
-                        locations.reverse();
-                    }
+                if ordered && let Some(locations) = locations.as_mut() {
+                    locations.reverse();
                 }
 
                 locations
@@ -1148,6 +1131,7 @@ fn init_paths() -> HashMap<io::ErrorKind, Vec<&'static Path>> {
         paths::config_dir(),
         paths::extensions_dir(),
         paths::languages_dir(),
+        paths::debug_adapters_dir(),
         paths::database_dir(),
         paths::logs_dir(),
         paths::temp_dir(),
@@ -1207,6 +1191,11 @@ struct Args {
     #[arg(long, hide = true)]
     nc: Option<String>,
 
+    /// Used for recording minidumps on crashes by having Zed run a separate
+    /// process communicating over a socket.
+    #[arg(long, hide = true)]
+    crash_handler: Option<PathBuf>,
+
     /// Run zed in the foreground, only used on Windows, to match the behavior on macOS.
     #[arg(long)]
     #[cfg(target_os = "windows")]
@@ -1295,21 +1284,21 @@ fn eager_load_active_theme_and_icon_theme(fs: Arc<dyn Fs>, cx: &App) {
 
     if let Some(theme_selection) = theme_settings.theme_selection.as_ref() {
         let theme_name = theme_selection.theme(appearance);
-        if matches!(theme_registry.get(theme_name), Err(ThemeNotFoundError(_))) {
-            if let Some(theme_path) = extension_store.read(cx).path_to_extension_theme(theme_name) {
-                cx.spawn({
-                    let theme_registry = theme_registry.clone();
-                    let fs = fs.clone();
-                    async move |cx| {
-                        theme_registry.load_user_theme(&theme_path, fs).await?;
+        if matches!(theme_registry.get(theme_name), Err(ThemeNotFoundError(_)))
+            && let Some(theme_path) = extension_store.read(cx).path_to_extension_theme(theme_name)
+        {
+            cx.spawn({
+                let theme_registry = theme_registry.clone();
+                let fs = fs.clone();
+                async move |cx| {
+                    theme_registry.load_user_theme(&theme_path, fs).await?;
 
-                        cx.update(|cx| {
-                            ThemeSettings::reload_current_theme(cx);
-                        })
-                    }
-                })
-                .detach_and_log_err(cx);
-            }
+                    cx.update(|cx| {
+                        ThemeSettings::reload_current_theme(cx);
+                    })
+                }
+            })
+            .detach_and_log_err(cx);
         }
     }
 
@@ -1318,26 +1307,23 @@ fn eager_load_active_theme_and_icon_theme(fs: Arc<dyn Fs>, cx: &App) {
         if matches!(
             theme_registry.get_icon_theme(icon_theme_name),
             Err(IconThemeNotFoundError(_))
-        ) {
-            if let Some((icon_theme_path, icons_root_path)) = extension_store
-                .read(cx)
-                .path_to_extension_icon_theme(icon_theme_name)
-            {
-                cx.spawn({
-                    let theme_registry = theme_registry.clone();
-                    let fs = fs.clone();
-                    async move |cx| {
-                        theme_registry
-                            .load_icon_theme(&icon_theme_path, &icons_root_path, fs)
-                            .await?;
+        ) && let Some((icon_theme_path, icons_root_path)) = extension_store
+            .read(cx)
+            .path_to_extension_icon_theme(icon_theme_name)
+        {
+            cx.spawn({
+                let fs = fs.clone();
+                async move |cx| {
+                    theme_registry
+                        .load_icon_theme(&icon_theme_path, &icons_root_path, fs)
+                        .await?;
 
-                        cx.update(|cx| {
-                            ThemeSettings::reload_current_icon_theme(cx);
-                        })
-                    }
-                })
-                .detach_and_log_err(cx);
-            }
+                    cx.update(|cx| {
+                        ThemeSettings::reload_current_icon_theme(cx);
+                    })
+                }
+            })
+            .detach_and_log_err(cx);
         }
     }
 }
@@ -1347,9 +1333,7 @@ fn load_user_themes_in_background(fs: Arc<dyn fs::Fs>, cx: &mut App) {
     cx.spawn({
         let fs = fs.clone();
         async move |cx| {
-            if let Some(theme_registry) =
-                cx.update(|cx| ThemeRegistry::global(cx).clone()).log_err()
-            {
+            if let Some(theme_registry) = cx.update(|cx| ThemeRegistry::global(cx)).log_err() {
                 let themes_dir = paths::themes_dir().as_ref();
                 match fs
                     .metadata(themes_dir)
@@ -1386,18 +1370,15 @@ fn watch_themes(fs: Arc<dyn fs::Fs>, cx: &mut App) {
 
         while let Some(paths) = events.next().await {
             for event in paths {
-                if fs.metadata(&event.path).await.ok().flatten().is_some() {
-                    if let Some(theme_registry) =
-                        cx.update(|cx| ThemeRegistry::global(cx).clone()).log_err()
-                    {
-                        if let Some(()) = theme_registry
-                            .load_user_theme(&event.path, fs.clone())
-                            .await
-                            .log_err()
-                        {
-                            cx.update(ThemeSettings::reload_current_theme).log_err();
-                        }
-                    }
+                if fs.metadata(&event.path).await.ok().flatten().is_some()
+                    && let Some(theme_registry) =
+                        cx.update(|cx| ThemeRegistry::global(cx)).log_err()
+                    && let Some(()) = theme_registry
+                        .load_user_theme(&event.path, fs.clone())
+                        .await
+                        .log_err()
+                {
+                    cx.update(ThemeSettings::reload_current_theme).log_err();
                 }
             }
         }
diff --git a/crates/zed/src/reliability.rs b/crates/zed/src/reliability.rs
index d7f1473288..ac06f1fd9f 100644
--- a/crates/zed/src/reliability.rs
+++ b/crates/zed/src/reliability.rs
@@ -2,21 +2,33 @@ use crate::stdout_is_a_pty;
 use anyhow::{Context as _, Result};
 use backtrace::{self, Backtrace};
 use chrono::Utc;
-use client::{TelemetrySettings, telemetry};
+use client::{
+    TelemetrySettings,
+    telemetry::{self, MINIDUMP_ENDPOINT},
+};
 use db::kvp::KEY_VALUE_STORE;
+use futures::AsyncReadExt;
 use gpui::{App, AppContext as _, SemanticVersion};
 use http_client::{self, HttpClient, HttpClientWithUrl, HttpRequestExt, Method};
 use paths::{crashes_dir, crashes_retired_dir};
 use project::Project;
+use proto::{CrashReport, GetCrashFilesResponse};
 use release_channel::{AppCommitSha, RELEASE_CHANNEL, ReleaseChannel};
+use reqwest::multipart::{Form, Part};
 use settings::Settings;
 use smol::stream::StreamExt;
 use std::{
     env,
     ffi::{OsStr, c_void},
-    sync::{Arc, atomic::Ordering},
+    fs,
+    io::Write,
+    panic,
+    sync::{
+        Arc,
+        atomic::{AtomicU32, Ordering},
+    },
+    thread,
 };
-use std::{io::Write, panic, sync::atomic::AtomicU32, thread};
 use telemetry_events::{LocationData, Panic, PanicRequest};
 use url::Url;
 use util::ResultExt;
@@ -37,13 +49,10 @@ pub fn init_panic_hook(
         if prior_panic_count > 0 {
             // Give the panic-ing thread time to write the panic file
             loop {
-                std::thread::yield_now();
+                thread::yield_now();
             }
         }
 
-        let thread = thread::current();
-        let thread_name = thread.name().unwrap_or("<unnamed>");
-
         let payload = info
             .payload()
             .downcast_ref::<&str>()
@@ -51,6 +60,13 @@ pub fn init_panic_hook(
             .or_else(|| info.payload().downcast_ref::<String>().cloned())
             .unwrap_or_else(|| "Box<Any>".to_string());
 
+        if *release_channel::RELEASE_CHANNEL != ReleaseChannel::Dev {
+            crashes::handle_panic(payload.clone(), info.location());
+        }
+
+        let thread = thread::current();
+        let thread_name = thread.name().unwrap_or("<unnamed>");
+
         if *release_channel::RELEASE_CHANNEL == ReleaseChannel::Dev {
             let location = info.location().unwrap();
             let backtrace = Backtrace::new();
@@ -73,7 +89,9 @@ pub fn init_panic_hook(
                 },
                 backtrace,
             );
-            std::process::exit(-1);
+            if MINIDUMP_ENDPOINT.is_none() {
+                std::process::exit(-1);
+            }
         }
         let main_module_base_address = get_main_module_base_address();
 
@@ -132,19 +150,19 @@ pub fn init_panic_hook(
         }
         zlog::flush();
 
-        if !is_pty {
-            if let Some(panic_data_json) = serde_json::to_string(&panic_data).log_err() {
-                let timestamp = chrono::Utc::now().format("%Y_%m_%d %H_%M_%S").to_string();
-                let panic_file_path = paths::logs_dir().join(format!("zed-{timestamp}.panic"));
-                let panic_file = std::fs::OpenOptions::new()
-                    .append(true)
-                    .create(true)
-                    .open(&panic_file_path)
-                    .log_err();
-                if let Some(mut panic_file) = panic_file {
-                    writeln!(&mut panic_file, "{panic_data_json}").log_err();
-                    panic_file.flush().log_err();
-                }
+        if (!is_pty || MINIDUMP_ENDPOINT.is_some())
+            && let Some(panic_data_json) = serde_json::to_string(&panic_data).log_err()
+        {
+            let timestamp = chrono::Utc::now().format("%Y_%m_%d %H_%M_%S").to_string();
+            let panic_file_path = paths::logs_dir().join(format!("zed-{timestamp}.panic"));
+            let panic_file = fs::OpenOptions::new()
+                .write(true)
+                .create_new(true)
+                .open(&panic_file_path)
+                .log_err();
+            if let Some(mut panic_file) = panic_file {
+                writeln!(&mut panic_file, "{panic_data_json}").log_err();
+                panic_file.flush().log_err();
             }
         }
 
@@ -202,41 +220,54 @@ pub fn init(
         let installation_id = installation_id.clone();
         let system_id = system_id.clone();
 
-        if let Some(ssh_client) = project.ssh_client() {
-            ssh_client.update(cx, |client, cx| {
-                if TelemetrySettings::get_global(cx).diagnostics {
-                    let request = client.proto_client().request(proto::GetPanicFiles {});
-                    cx.background_spawn(async move {
-                        let panic_files = request.await?;
-                        for file in panic_files.file_contents {
-                            let panic: Option<Panic> = serde_json::from_str(&file)
-                                .log_err()
-                                .or_else(|| {
-                                    file.lines()
-                                        .next()
-                                        .and_then(|line| serde_json::from_str(line).ok())
-                                })
-                                .unwrap_or_else(|| {
-                                    log::error!("failed to deserialize panic file {:?}", file);
-                                    None
-                                });
+        let Some(ssh_client) = project.ssh_client() else {
+            return;
+        };
+        ssh_client.update(cx, |client, cx| {
+            if !TelemetrySettings::get_global(cx).diagnostics {
+                return;
+            }
+            let request = client.proto_client().request(proto::GetCrashFiles {});
+            cx.background_spawn(async move {
+                let GetCrashFilesResponse {
+                    legacy_panics,
+                    crashes,
+                } = request.await?;
 
-                            if let Some(mut panic) = panic {
-                                panic.session_id = session_id.clone();
-                                panic.system_id = system_id.clone();
-                                panic.installation_id = installation_id.clone();
-
-                                upload_panic(&http_client, &panic_report_url, panic, &mut None)
-                                    .await?;
-                            }
-                        }
-
-                        anyhow::Ok(())
-                    })
-                    .detach_and_log_err(cx);
+                for panic in legacy_panics {
+                    if let Some(mut panic) = serde_json::from_str::<Panic>(&panic).log_err() {
+                        panic.session_id = session_id.clone();
+                        panic.system_id = system_id.clone();
+                        panic.installation_id = installation_id.clone();
+                        upload_panic(&http_client, &panic_report_url, panic, &mut None).await?;
+                    }
                 }
+
+                let Some(endpoint) = MINIDUMP_ENDPOINT.as_ref() else {
+                    return Ok(());
+                };
+                for CrashReport {
+                    metadata,
+                    minidump_contents,
+                } in crashes
+                {
+                    if let Some(metadata) = serde_json::from_str(&metadata).log_err() {
+                        upload_minidump(
+                            http_client.clone(),
+                            endpoint,
+                            minidump_contents,
+                            &metadata,
+                            installation_id.clone(),
+                        )
+                        .await
+                        .log_err();
+                    }
+                }
+
+                anyhow::Ok(())
             })
-        }
+            .detach_and_log_err(cx);
+        })
     })
     .detach();
 }
@@ -433,10 +464,10 @@ pub fn monitor_main_thread_hangs(
                         continue;
                     };
 
-                    if let Some(response) = http_client.send(request).await.log_err() {
-                        if response.status() != 200 {
-                            log::error!("Failed to send hang report: HTTP {:?}", response.status());
-                        }
+                    if let Some(response) = http_client.send(request).await.log_err()
+                        && response.status() != 200
+                    {
+                        log::error!("Failed to send hang report: HTTP {:?}", response.status());
                     }
                 }
             }
@@ -450,16 +481,20 @@ fn upload_panics_and_crashes(
     installation_id: Option<String>,
     cx: &App,
 ) {
-    let telemetry_settings = *client::TelemetrySettings::get_global(cx);
+    if !client::TelemetrySettings::get_global(cx).diagnostics {
+        return;
+    }
     cx.background_spawn(async move {
-        let most_recent_panic =
-            upload_previous_panics(http.clone(), &panic_report_url, telemetry_settings)
-                .await
-                .log_err()
-                .flatten();
-        upload_previous_crashes(http, most_recent_panic, installation_id, telemetry_settings)
+        upload_previous_minidumps(http.clone(), installation_id.clone())
+            .await
+            .warn_on_err();
+        let most_recent_panic = upload_previous_panics(http.clone(), &panic_report_url)
             .await
             .log_err()
+            .flatten();
+        upload_previous_crashes(http, most_recent_panic, installation_id)
+            .await
+            .log_err();
     })
     .detach()
 }
@@ -468,7 +503,6 @@ fn upload_panics_and_crashes(
 async fn upload_previous_panics(
     http: Arc<HttpClientWithUrl>,
     panic_report_url: &Url,
-    telemetry_settings: client::TelemetrySettings,
 ) -> anyhow::Result<Option<(i64, String)>> {
     let mut children = smol::fs::read_dir(paths::logs_dir()).await?;
 
@@ -491,39 +525,208 @@ async fn upload_previous_panics(
             continue;
         }
 
-        if telemetry_settings.diagnostics {
-            let panic_file_content = smol::fs::read_to_string(&child_path)
-                .await
-                .context("error reading panic file")?;
+        let panic_file_content = smol::fs::read_to_string(&child_path)
+            .await
+            .context("error reading panic file")?;
 
-            let panic: Option<Panic> = serde_json::from_str(&panic_file_content)
-                .log_err()
-                .or_else(|| {
-                    panic_file_content
-                        .lines()
-                        .next()
-                        .and_then(|line| serde_json::from_str(line).ok())
-                })
-                .unwrap_or_else(|| {
-                    log::error!("failed to deserialize panic file {:?}", panic_file_content);
-                    None
-                });
+        let panic: Option<Panic> = serde_json::from_str(&panic_file_content)
+            .log_err()
+            .or_else(|| {
+                panic_file_content
+                    .lines()
+                    .next()
+                    .and_then(|line| serde_json::from_str(line).ok())
+            })
+            .unwrap_or_else(|| {
+                log::error!("failed to deserialize panic file {:?}", panic_file_content);
+                None
+            });
 
-            if let Some(panic) = panic {
-                if !upload_panic(&http, &panic_report_url, panic, &mut most_recent_panic).await? {
-                    continue;
-                }
-            }
+        if let Some(panic) = panic
+            && upload_panic(&http, panic_report_url, panic, &mut most_recent_panic).await?
+        {
+            // We've done what we can, delete the file
+            fs::remove_file(child_path)
+                .context("error removing panic")
+                .log_err();
         }
-
-        // We've done what we can, delete the file
-        std::fs::remove_file(child_path)
-            .context("error removing panic")
-            .log_err();
     }
+
     Ok(most_recent_panic)
 }
 
+pub async fn upload_previous_minidumps(
+    http: Arc<HttpClientWithUrl>,
+    installation_id: Option<String>,
+) -> anyhow::Result<()> {
+    let Some(minidump_endpoint) = MINIDUMP_ENDPOINT.as_ref() else {
+        log::warn!("Minidump endpoint not set");
+        return Ok(());
+    };
+
+    let mut children = smol::fs::read_dir(paths::logs_dir()).await?;
+    while let Some(child) = children.next().await {
+        let child = child?;
+        let child_path = child.path();
+        if child_path.extension() != Some(OsStr::new("dmp")) {
+            continue;
+        }
+        let mut json_path = child_path.clone();
+        json_path.set_extension("json");
+        if let Ok(metadata) = serde_json::from_slice(&smol::fs::read(&json_path).await?)
+            && upload_minidump(
+                http.clone(),
+                minidump_endpoint,
+                smol::fs::read(&child_path)
+                    .await
+                    .context("Failed to read minidump")?,
+                &metadata,
+                installation_id.clone(),
+            )
+            .await
+            .log_err()
+            .is_some()
+        {
+            fs::remove_file(child_path).ok();
+            fs::remove_file(json_path).ok();
+        }
+    }
+    Ok(())
+}
+
+async fn upload_minidump(
+    http: Arc<HttpClientWithUrl>,
+    endpoint: &str,
+    minidump: Vec<u8>,
+    metadata: &crashes::CrashInfo,
+    installation_id: Option<String>,
+) -> Result<()> {
+    let mut form = Form::new()
+        .part(
+            "upload_file_minidump",
+            Part::bytes(minidump)
+                .file_name("minidump.dmp")
+                .mime_str("application/octet-stream")?,
+        )
+        .text(
+            "sentry[tags][channel]",
+            metadata.init.release_channel.clone(),
+        )
+        .text("sentry[tags][version]", metadata.init.zed_version.clone())
+        .text("sentry[release]", metadata.init.commit_sha.clone())
+        .text("platform", "rust");
+    let mut panic_message = "".to_owned();
+    if let Some(panic_info) = metadata.panic.as_ref() {
+        panic_message = panic_info.message.clone();
+        form = form
+            .text("sentry[logentry][formatted]", panic_info.message.clone())
+            .text("span", panic_info.span.clone());
+    }
+    if let Some(minidump_error) = metadata.minidump_error.clone() {
+        form = form.text("minidump_error", minidump_error);
+    }
+    if let Some(id) = installation_id.clone() {
+        form = form.text("sentry[user][id]", id)
+    }
+
+    ::telemetry::event!(
+        "Minidump Uploaded",
+        panic_message = panic_message,
+        crashed_version = metadata.init.zed_version.clone(),
+        commit_sha = metadata.init.commit_sha.clone(),
+    );
+
+    let gpu_count = metadata.gpus.len();
+    for (index, gpu) in metadata.gpus.iter().cloned().enumerate() {
+        let system_specs::GpuInfo {
+            device_name,
+            device_pci_id,
+            vendor_name,
+            vendor_pci_id,
+            driver_version,
+            driver_name,
+        } = gpu;
+        let num = if gpu_count == 1 && metadata.active_gpu.is_none() {
+            String::new()
+        } else {
+            index.to_string()
+        };
+        let name = format!("gpu{num}");
+        let root = format!("sentry[contexts][{name}]");
+        form = form
+            .text(
+                format!("{root}[Description]"),
+                "A GPU found on the users system. May or may not be the GPU Zed is running on",
+            )
+            .text(format!("{root}[type]"), "gpu")
+            .text(format!("{root}[name]"), device_name.unwrap_or(name))
+            .text(format!("{root}[id]"), format!("{:#06x}", device_pci_id))
+            .text(
+                format!("{root}[vendor_id]"),
+                format!("{:#06x}", vendor_pci_id),
+            )
+            .text_if_some(format!("{root}[vendor_name]"), vendor_name)
+            .text_if_some(format!("{root}[driver_version]"), driver_version)
+            .text_if_some(format!("{root}[driver_name]"), driver_name);
+    }
+    if let Some(active_gpu) = metadata.active_gpu.clone() {
+        form = form
+            .text(
+                "sentry[contexts][Active_GPU][Description]",
+                "The GPU Zed is running on",
+            )
+            .text("sentry[contexts][Active_GPU][type]", "gpu")
+            .text("sentry[contexts][Active_GPU][name]", active_gpu.device_name)
+            .text(
+                "sentry[contexts][Active_GPU][driver_version]",
+                active_gpu.driver_info,
+            )
+            .text(
+                "sentry[contexts][Active_GPU][driver_name]",
+                active_gpu.driver_name,
+            )
+            .text(
+                "sentry[contexts][Active_GPU][is_software_emulated]",
+                active_gpu.is_software_emulated.to_string(),
+            );
+    }
+
+    // TODO: feature-flag-context, and more of device-context like screen resolution, available ram, device model, etc
+
+    let mut response_text = String::new();
+    let mut response = http.send_multipart_form(endpoint, form).await?;
+    response
+        .body_mut()
+        .read_to_string(&mut response_text)
+        .await?;
+    if !response.status().is_success() {
+        anyhow::bail!("failed to upload minidump: {response_text}");
+    }
+    log::info!("Uploaded minidump. event id: {response_text}");
+    Ok(())
+}
+
+trait FormExt {
+    fn text_if_some(
+        self,
+        label: impl Into<std::borrow::Cow<'static, str>>,
+        value: Option<impl Into<std::borrow::Cow<'static, str>>>,
+    ) -> Self;
+}
+
+impl FormExt for Form {
+    fn text_if_some(
+        self,
+        label: impl Into<std::borrow::Cow<'static, str>>,
+        value: Option<impl Into<std::borrow::Cow<'static, str>>>,
+    ) -> Self {
+        match value {
+            Some(value) => self.text(label.into(), value.into()),
+            None => self,
+        }
+    }
+}
+
 async fn upload_panic(
     http: &Arc<HttpClientWithUrl>,
     panic_report_url: &Url,
@@ -562,11 +765,7 @@ async fn upload_previous_crashes(
     http: Arc<HttpClientWithUrl>,
     most_recent_panic: Option<(i64, String)>,
     installation_id: Option<String>,
-    telemetry_settings: client::TelemetrySettings,
 ) -> Result<()> {
-    if !telemetry_settings.diagnostics {
-        return Ok(());
-    }
     let last_uploaded = KEY_VALUE_STORE
         .read_kvp(LAST_CRASH_UPLOADED)?
         .unwrap_or("zed-2024-01-17-221900.ips".to_string()); // don't upload old crash reports from before we had this.
diff --git a/crates/zed/src/zed.rs b/crates/zed/src/zed.rs
index 8c6da335ab..638e1dca0e 100644
--- a/crates/zed/src/zed.rs
+++ b/crates/zed/src/zed.rs
@@ -1,6 +1,6 @@
 mod app_menus;
 pub mod component_preview;
-pub mod inline_completion_registry;
+pub mod edit_prediction_registry;
 #[cfg(target_os = "macos")]
 pub(crate) mod mac_only_instance;
 mod migrate;
@@ -31,9 +31,12 @@ use gpui::{
     px, retain_all,
 };
 use image_viewer::ImageInfo;
+use language::Capability;
 use language_tools::lsp_tool::{self, LspTool};
 use migrate::{MigrationBanner, MigrationEvent, MigrationNotification, MigrationType};
 use migrator::{migrate_keymap, migrate_settings};
+use onboarding::DOCS_URL;
+use onboarding::multibuffer_hint::MultibufferHint;
 pub use open_listener::*;
 use outline_panel::OutlinePanel;
 use paths::{
@@ -54,6 +57,7 @@ use settings::{
     initial_local_debug_tasks_content, initial_project_settings_content, initial_tasks_content,
     update_settings_file,
 };
+use std::time::{Duration, Instant};
 use std::{
     borrow::Cow,
     path::{Path, PathBuf},
@@ -67,14 +71,17 @@ use util::markdown::MarkdownString;
 use util::{ResultExt, asset_str};
 use uuid::Uuid;
 use vim_mode_setting::VimModeSetting;
-use welcome::{DOCS_URL, MultibufferHint};
-use workspace::notifications::{NotificationId, dismiss_app_notification, show_app_notification};
+use workspace::notifications::{
+    NotificationId, SuppressEvent, dismiss_app_notification, show_app_notification,
+};
 use workspace::{
     AppState, NewFile, NewWindow, OpenLog, Toast, Workspace, WorkspaceSettings,
     create_and_open_local_file, notifications::simple_message_notification::MessageNotification,
     open_new,
 };
-use workspace::{CloseIntent, CloseWindow, RestoreBanner, with_active_or_new_workspace};
+use workspace::{
+    CloseIntent, CloseWindow, NotificationFrame, RestoreBanner, with_active_or_new_workspace,
+};
 use workspace::{Pane, notifications::DetachAndPromptErr};
 use zed_actions::{
     OpenAccountSettings, OpenBrowser, OpenDocs, OpenServerSettings, OpenSettings, OpenZedUrl, Quit,
@@ -116,6 +123,14 @@ actions!(
     ]
 );
 
+actions!(
+    dev,
+    [
+        /// Record 10s of audio from your current microphone
+        CaptureAudio
+    ]
+);
+
 pub fn init(cx: &mut App) {
     #[cfg(target_os = "macos")]
     cx.on_action(|_: &Hide, cx| cx.hide());
@@ -305,14 +320,14 @@ pub fn initialize_workspace(
             return;
         };
 
-        let workspace_handle = cx.entity().clone();
+        let workspace_handle = cx.entity();
         let center_pane = workspace.active_pane().clone();
         initialize_pane(workspace, &center_pane, window, cx);
 
         cx.subscribe_in(&workspace_handle, window, {
             move |workspace, _, event, window, cx| match event {
                 workspace::Event::PaneAdded(pane) => {
-                    initialize_pane(workspace, &pane, window, cx);
+                    initialize_pane(workspace, pane, window, cx);
                 }
                 workspace::Event::OpenBundledFile {
                     text,
@@ -329,21 +344,31 @@ pub fn initialize_workspace(
 
         if let Some(specs) = window.gpu_specs() {
             log::info!("Using GPU: {:?}", specs);
-            show_software_emulation_warning_if_needed(specs, window, cx);
+            show_software_emulation_warning_if_needed(specs.clone(), window, cx);
+            if let Some((crash_server, message)) = crashes::CRASH_HANDLER
+                .get()
+                .zip(bincode::serialize(&specs).ok())
+                && let Err(err) = crash_server.send_message(3, message)
+            {
+                log::warn!(
+                    "Failed to store active gpu info for crash reporting: {}",
+                    err
+                );
+            }
         }
 
-        let inline_completion_menu_handle = PopoverMenuHandle::default();
+        let edit_prediction_menu_handle = PopoverMenuHandle::default();
         let edit_prediction_button = cx.new(|cx| {
-            inline_completion_button::InlineCompletionButton::new(
+            edit_prediction_button::EditPredictionButton::new(
                 app_state.fs.clone(),
                 app_state.user_store.clone(),
-                inline_completion_menu_handle.clone(),
+                edit_prediction_menu_handle.clone(),
                 cx,
             )
         });
         workspace.register_action({
-            move |_, _: &inline_completion_button::ToggleMenu, window, cx| {
-                inline_completion_menu_handle.toggle(window, cx);
+            move |_, _: &edit_prediction_button::ToggleMenu, window, cx| {
+                edit_prediction_menu_handle.toggle(window, cx);
             }
         });
 
@@ -511,8 +536,6 @@ fn initialize_panels(
     window: &mut Window,
     cx: &mut Context<Workspace>,
 ) {
-    let prompt_builder = prompt_builder.clone();
-
     cx.spawn_in(window, async move |workspace_handle, cx| {
         let project_panel = ProjectPanel::load(workspace_handle.clone(), cx.clone());
         let outline_panel = OutlinePanel::load(workspace_handle.clone(), cx.clone());
@@ -630,6 +653,7 @@ fn register_actions(
                     files: true,
                     directories: true,
                     multiple: true,
+                    prompt: None,
                 },
                 DirectoryLister::Local(
                     workspace.project().clone(),
@@ -670,6 +694,7 @@ fn register_actions(
                     files: true,
                     directories: true,
                     multiple: true,
+                    prompt: None,
                 },
                 DirectoryLister::Project(workspace.project().clone()),
                 window,
@@ -701,9 +726,7 @@ fn register_actions(
                             .insert(theme::clamp_font_size(ui_font_size).0);
                     });
                 } else {
-                    theme::adjust_ui_font_size(cx, |size| {
-                        *size += px(1.0);
-                    });
+                    theme::adjust_ui_font_size(cx, |size| size + px(1.0));
                 }
             }
         })
@@ -718,9 +741,7 @@ fn register_actions(
                             .insert(theme::clamp_font_size(ui_font_size).0);
                     });
                 } else {
-                    theme::adjust_ui_font_size(cx, |size| {
-                        *size -= px(1.0);
-                    });
+                    theme::adjust_ui_font_size(cx, |size| size - px(1.0));
                 }
             }
         })
@@ -748,9 +769,7 @@ fn register_actions(
                             .insert(theme::clamp_font_size(buffer_font_size).0);
                     });
                 } else {
-                    theme::adjust_buffer_font_size(cx, |size| {
-                        *size += px(1.0);
-                    });
+                    theme::adjust_buffer_font_size(cx, |size| size + px(1.0));
                 }
             }
         })
@@ -766,9 +785,7 @@ fn register_actions(
                             .insert(theme::clamp_font_size(buffer_font_size).0);
                     });
                 } else {
-                    theme::adjust_buffer_font_size(cx, |size| {
-                        *size -= px(1.0);
-                    });
+                    theme::adjust_buffer_font_size(cx, |size| size - px(1.0));
                 }
             }
         })
@@ -787,7 +804,7 @@ fn register_actions(
         .register_action(install_cli)
         .register_action(|_, _: &install_cli::RegisterZedScheme, window, cx| {
             cx.spawn_in(window, async move |workspace, cx| {
-                install_cli::register_zed_scheme(&cx).await?;
+                install_cli::register_zed_scheme(cx).await?;
                 workspace.update_in(cx, |workspace, _, cx| {
                     struct RegisterZedScheme;
 
@@ -896,7 +913,11 @@ fn register_actions(
                     .detach();
                 }
             }
+        })
+        .register_action(|workspace, _: &CaptureAudio, window, cx| {
+            capture_audio(workspace, window, cx);
         });
+
     if workspace.project().read(cx).is_via_ssh() {
         workspace.register_action({
             move |workspace, _: &OpenServerSettings, window, cx| {
@@ -1041,27 +1062,25 @@ fn quit(_: &Quit, cx: &mut App) {
         })
         .log_err();
 
-        if should_confirm {
-            if let Some(workspace) = workspace_windows.first() {
-                let answer = workspace
-                    .update(cx, |_, window, cx| {
-                        window.prompt(
-                            PromptLevel::Info,
-                            "Are you sure you want to quit?",
-                            None,
-                            &["Quit", "Cancel"],
-                            cx,
-                        )
-                    })
-                    .log_err();
+        if should_confirm && let Some(workspace) = workspace_windows.first() {
+            let answer = workspace
+                .update(cx, |_, window, cx| {
+                    window.prompt(
+                        PromptLevel::Info,
+                        "Are you sure you want to quit?",
+                        None,
+                        &["Quit", "Cancel"],
+                        cx,
+                    )
+                })
+                .log_err();
 
-                if let Some(answer) = answer {
-                    WAITING_QUIT_CONFIRMATION.store(true, atomic::Ordering::Release);
-                    let answer = answer.await.ok();
-                    WAITING_QUIT_CONFIRMATION.store(false, atomic::Ordering::Release);
-                    if answer != Some(0) {
-                        return Ok(());
-                    }
+            if let Some(answer) = answer {
+                WAITING_QUIT_CONFIRMATION.store(true, atomic::Ordering::Release);
+                let answer = answer.await.ok();
+                WAITING_QUIT_CONFIRMATION.store(false, atomic::Ordering::Release);
+                if answer != Some(0) {
+                    return Ok(());
                 }
             }
         }
@@ -1073,10 +1092,9 @@ fn quit(_: &Quit, cx: &mut App) {
                     workspace.prepare_to_close(CloseIntent::Quit, window, cx)
                 })
                 .log_err()
+                && !should_close.await?
             {
-                if !should_close.await? {
-                    return Ok(());
-                }
+                return Ok(());
             }
         }
         cx.update(|cx| cx.quit())?;
@@ -1384,7 +1402,7 @@ fn show_keymap_file_load_error(
     cx: &mut App,
 ) {
     show_markdown_app_notification(
-        notification_id.clone(),
+        notification_id,
         error_message,
         "Open Keymap File".into(),
         |window, cx| {
@@ -1610,25 +1628,24 @@ fn open_local_file(
                     .read_with(cx, |tree, _| tree.abs_path().join(settings_relative_path))?;
 
                 let fs = project.read_with(cx, |project, _| project.fs().clone())?;
-                let file_exists = fs
-                    .metadata(&full_path)
+
+                fs.metadata(&full_path)
                     .await
                     .ok()
                     .flatten()
-                    .map_or(false, |metadata| !metadata.is_dir && !metadata.is_fifo);
-                file_exists
+                    .is_some_and(|metadata| !metadata.is_dir && !metadata.is_fifo)
             };
 
             if !file_exists {
-                if let Some(dir_path) = settings_relative_path.parent() {
-                    if worktree.read_with(cx, |tree, _| tree.entry_for_path(dir_path).is_none())? {
-                        project
-                            .update(cx, |project, cx| {
-                                project.create_entry((tree_id, dir_path), true, cx)
-                            })?
-                            .await
-                            .context("worktree was removed")?;
-                    }
+                if let Some(dir_path) = settings_relative_path.parent()
+                    && worktree.read_with(cx, |tree, _| tree.entry_for_path(dir_path).is_none())?
+                {
+                    project
+                        .update(cx, |project, cx| {
+                            project.create_entry((tree_id, dir_path), true, cx)
+                        })?
+                        .await
+                        .context("worktree was removed")?;
                 }
 
                 if worktree.read_with(cx, |tree, _| {
@@ -1654,12 +1671,12 @@ fn open_local_file(
             editor
                 .downgrade()
                 .update(cx, |editor, cx| {
-                    if let Some(buffer) = editor.buffer().read(cx).as_singleton() {
-                        if buffer.read(cx).is_empty() {
-                            buffer.update(cx, |buffer, cx| {
-                                buffer.edit([(0..0, initial_contents)], None, cx)
-                            });
-                        }
+                    if let Some(buffer) = editor.buffer().read(cx).as_singleton()
+                        && buffer.read(cx).is_empty()
+                    {
+                        buffer.update(cx, |buffer, cx| {
+                            buffer.edit([(0..0, initial_contents)], None, cx)
+                        });
                     }
                 })
                 .ok();
@@ -1746,7 +1763,11 @@ fn open_bundled_file(
                 workspace.with_local_workspace(window, cx, |workspace, window, cx| {
                     let project = workspace.project();
                     let buffer = project.update(cx, move |project, cx| {
-                        project.create_local_buffer(text.as_ref(), language, cx)
+                        let buffer = project.create_local_buffer(text.as_ref(), language, cx);
+                        buffer.update(cx, |buffer, cx| {
+                            buffer.set_capability(Capability::ReadOnly, cx);
+                        });
+                        buffer
                     });
                     let buffer =
                         cx.new(|cx| MultiBuffer::singleton(buffer, cx).with_title(title.into()));
@@ -1805,6 +1826,107 @@ fn open_settings_file(
     .detach_and_log_err(cx);
 }
 
+fn capture_audio(workspace: &mut Workspace, _: &mut Window, cx: &mut Context<Workspace>) {
+    #[derive(Default)]
+    enum State {
+        Recording(livekit_client::CaptureInput),
+        Failed(String),
+        Finished(PathBuf),
+        // Used during state switch. Should never occur naturally.
+        #[default]
+        Invalid,
+    }
+
+    struct CaptureAudioNotification {
+        focus_handle: gpui::FocusHandle,
+        start_time: Instant,
+        state: State,
+    }
+
+    impl gpui::EventEmitter<DismissEvent> for CaptureAudioNotification {}
+    impl gpui::EventEmitter<SuppressEvent> for CaptureAudioNotification {}
+    impl gpui::Focusable for CaptureAudioNotification {
+        fn focus_handle(&self, _cx: &App) -> gpui::FocusHandle {
+            self.focus_handle.clone()
+        }
+    }
+    impl workspace::notifications::Notification for CaptureAudioNotification {}
+
+    const AUDIO_RECORDING_TIME_SECS: u64 = 10;
+
+    impl Render for CaptureAudioNotification {
+        fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+            let elapsed = self.start_time.elapsed().as_secs();
+            let message = match &self.state {
+                State::Recording(capture) => format!(
+                    "Recording {} seconds of audio from input: '{}'",
+                    AUDIO_RECORDING_TIME_SECS - elapsed,
+                    capture.name,
+                ),
+                State::Failed(e) => format!("Error capturing audio: {e}"),
+                State::Finished(path) => format!("Audio recorded to {}", path.display()),
+                State::Invalid => "Error invalid state".to_string(),
+            };
+
+            NotificationFrame::new()
+                .with_title(Some("Recording Audio"))
+                .show_suppress_button(false)
+                .on_close(cx.listener(|_, _, _, cx| {
+                    cx.emit(DismissEvent);
+                }))
+                .with_content(message)
+        }
+    }
+
+    impl CaptureAudioNotification {
+        fn finish(&mut self) {
+            let state = std::mem::take(&mut self.state);
+            self.state = if let State::Recording(capture) = state {
+                match capture.finish() {
+                    Ok(path) => State::Finished(path),
+                    Err(e) => State::Failed(e.to_string()),
+                }
+            } else {
+                state
+            };
+        }
+
+        fn new(cx: &mut Context<Self>) -> Self {
+            cx.spawn(async move |this, cx| {
+                for _ in 0..10 {
+                    cx.background_executor().timer(Duration::from_secs(1)).await;
+                    this.update(cx, |_, cx| {
+                        cx.notify();
+                    })?;
+                }
+
+                this.update(cx, |this, cx| {
+                    this.finish();
+                    cx.notify();
+                })?;
+
+                anyhow::Ok(())
+            })
+            .detach();
+
+            let state = match livekit_client::CaptureInput::start() {
+                Ok(capture_input) => State::Recording(capture_input),
+                Err(err) => State::Failed(format!("Error starting audio capture: {}", err)),
+            };
+
+            Self {
+                focus_handle: cx.focus_handle(),
+                start_time: Instant::now(),
+                state,
+            }
+        }
+    }
+
+    workspace.show_notification(NotificationId::unique::<CaptureAudio>(), cx, |cx| {
+        cx.new(CaptureAudioNotification::new)
+    });
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -3975,7 +4097,6 @@ mod tests {
             client::init(&app_state.client, cx);
             language::init(cx);
             workspace::init(app_state.clone(), cx);
-            welcome::init(cx);
             onboarding::init(cx);
             Project::init_settings(cx);
             app_state
@@ -4251,6 +4372,7 @@ mod tests {
                     | "workspace::MoveItemToPaneInDirection"
                     | "workspace::OpenTerminal"
                     | "workspace::SendKeystrokes"
+                    | "agent::NewNativeAgentThreadFromSummary"
                     | "zed::OpenBrowser"
                     | "zed::OpenZedUrl" => {}
                     _ => {
@@ -4265,7 +4387,7 @@ mod tests {
                     }
                 }
             }
-            if errors.len() > 0 {
+            if !errors.is_empty() {
                 panic!(
                     "Failed to build actions using {{}} as input: {:?}. Errors:\n{}",
                     failing_names,
@@ -4354,6 +4476,7 @@ mod tests {
                 "menu",
                 "notebook",
                 "notification_panel",
+                "onboarding",
                 "outline",
                 "outline_panel",
                 "pane",
@@ -4379,7 +4502,6 @@ mod tests {
                 "toolchain",
                 "variable_list",
                 "vim",
-                "welcome",
                 "workspace",
                 "zed",
                 "zed_predict_onboarding",
@@ -4401,11 +4523,11 @@ mod tests {
         cx.text_system()
             .add_fonts(vec![
                 Assets
-                    .load("fonts/plex-mono/ZedPlexMono-Regular.ttf")
+                    .load("fonts/lilex/Lilex-Regular.ttf")
                     .unwrap()
                     .unwrap(),
                 Assets
-                    .load("fonts/plex-sans/ZedPlexSans-Regular.ttf")
+                    .load("fonts/ibm-plex-sans/IBMPlexSans-Regular.ttf")
                     .unwrap()
                     .unwrap(),
             ])
@@ -4425,6 +4547,43 @@ mod tests {
         assert!(has_default_theme);
     }
 
+    #[gpui::test]
+    async fn test_bundled_files_editor(cx: &mut TestAppContext) {
+        let app_state = init_test(cx);
+        cx.update(init);
+
+        let project = Project::test(app_state.fs.clone(), [], cx).await;
+        let _window = cx.add_window(|window, cx| Workspace::test_new(project, window, cx));
+
+        cx.update(|cx| {
+            cx.dispatch_action(&OpenDefaultSettings);
+        });
+        cx.run_until_parked();
+
+        assert_eq!(cx.read(|cx| cx.windows().len()), 1);
+
+        let workspace = cx.windows()[0].downcast::<Workspace>().unwrap();
+        let active_editor = workspace
+            .update(cx, |workspace, _, cx| {
+                workspace.active_item_as::<Editor>(cx)
+            })
+            .unwrap();
+        assert!(
+            active_editor.is_some(),
+            "Settings action should have opened an editor with the default file contents"
+        );
+
+        let active_editor = active_editor.unwrap();
+        assert!(
+            active_editor.read_with(cx, |editor, cx| editor.read_only(cx)),
+            "Default settings should be readonly"
+        );
+        assert!(
+            active_editor.read_with(cx, |editor, cx| editor.buffer().read(cx).read_only()),
+            "The underlying buffer should also be readonly for the shipped default settings"
+        );
+    }
+
     #[gpui::test]
     async fn test_bundled_languages(cx: &mut TestAppContext) {
         env_logger::builder().is_test(true).try_init().ok();
@@ -4438,7 +4597,7 @@ mod tests {
         });
         for name in languages.language_names() {
             languages
-                .language_for_name(&name)
+                .language_for_name(name.as_ref())
                 .await
                 .with_context(|| format!("language name {name}"))
                 .unwrap();
@@ -4465,7 +4624,7 @@ mod tests {
             gpui_tokio::init(cx);
             vim_mode_setting::init(cx);
             theme::init(theme::LoadThemes::JustBase, cx);
-            audio::init((), cx);
+            audio::init(cx);
             channel::init(&app_state.client, app_state.user_store.clone(), cx);
             call::init(app_state.client.clone(), app_state.user_store.clone(), cx);
             notifications::init(app_state.client.clone(), app_state.user_store.clone(), cx);
@@ -4636,7 +4795,7 @@ mod tests {
         cx.background_executor.run_until_parked();
 
         // 5. Critical: Verify .zed is actually excluded from worktree
-        let worktree = cx.update(|cx| project.read(cx).worktrees(cx).next().unwrap().clone());
+        let worktree = cx.update(|cx| project.read(cx).worktrees(cx).next().unwrap());
 
         let has_zed_entry = cx.update(|cx| worktree.read(cx).entry_for_path(".zed").is_some());
 
@@ -4672,7 +4831,7 @@ mod tests {
             .await
             .unwrap();
 
-        let new_content_str = new_content.clone();
+        let new_content_str = new_content;
         eprintln!("New settings content: {}", new_content_str);
 
         // The bug causes the settings to be overwritten with empty settings
diff --git a/crates/zed/src/zed/app_menus.rs b/crates/zed/src/zed/app_menus.rs
index 78532b10b4..6c7ab0b374 100644
--- a/crates/zed/src/zed/app_menus.rs
+++ b/crates/zed/src/zed/app_menus.rs
@@ -24,6 +24,10 @@ pub fn app_menus() -> Vec<Menu> {
                             zed_actions::OpenDefaultKeymap,
                         ),
                         MenuItem::action("Open Project Settings", super::OpenProjectSettings),
+                        MenuItem::action(
+                            "Select Settings Profile...",
+                            zed_actions::settings_profile_selector::Toggle,
+                        ),
                         MenuItem::action(
                             "Select Theme...",
                             zed_actions::theme_selector::Toggle::default(),
@@ -31,10 +35,8 @@ pub fn app_menus() -> Vec<Menu> {
                     ],
                 }),
                 MenuItem::separator(),
-                MenuItem::submenu(Menu {
-                    name: "Services".into(),
-                    items: vec![],
-                }),
+                #[cfg(target_os = "macos")]
+                MenuItem::os_submenu("Services", gpui::SystemMenuType::Services),
                 MenuItem::separator(),
                 MenuItem::action("Extensions", zed_actions::Extensions::default()),
                 MenuItem::action("Install CLI", install_cli::Install),
@@ -248,7 +250,7 @@ pub fn app_menus() -> Vec<Menu> {
                 ),
                 MenuItem::action("View Telemetry", zed_actions::OpenTelemetryLog),
                 MenuItem::action("View Dependency Licenses", zed_actions::OpenLicenses),
-                MenuItem::action("Show Welcome", workspace::Welcome),
+                MenuItem::action("Show Welcome", onboarding::ShowWelcome),
                 MenuItem::action("Give Feedback...", zed_actions::feedback::GiveFeedback),
                 MenuItem::separator(),
                 MenuItem::action(
diff --git a/crates/zed/src/zed/component_preview.rs b/crates/zed/src/zed/component_preview.rs
index 2e57152c62..5b3a951d43 100644
--- a/crates/zed/src/zed/component_preview.rs
+++ b/crates/zed/src/zed/component_preview.rs
@@ -33,8 +33,6 @@ use workspace::{
 pub fn init(app_state: Arc<AppState>, cx: &mut App) {
     workspace::register_serializable_item::<ComponentPreview>(cx);
 
-    let app_state = app_state.clone();
-
     cx.observe_new(move |workspace: &mut Workspace, _window, cx| {
         let app_state = app_state.clone();
         let project = workspace.project().clone();
@@ -107,6 +105,7 @@ struct ComponentPreview {
     active_thread: Option<Entity<ActiveThread>>,
     reset_key: usize,
     component_list: ListState,
+    entries: Vec<PreviewEntry>,
     component_map: HashMap<ComponentId, ComponentMetadata>,
     components: Vec<ComponentMetadata>,
     cursor_index: usize,
@@ -139,8 +138,7 @@ impl ComponentPreview {
         let project_clone = project.clone();
 
         cx.spawn_in(window, async move |entity, cx| {
-            let thread_store_future =
-                load_preview_thread_store(workspace_clone.clone(), project_clone.clone(), cx);
+            let thread_store_future = load_preview_thread_store(project_clone.clone(), cx);
             let text_thread_store_future =
                 load_preview_text_thread_store(workspace_clone.clone(), project_clone.clone(), cx);
 
@@ -173,17 +171,6 @@ impl ComponentPreview {
             sorted_components.len(),
             gpui::ListAlignment::Top,
             px(1500.0),
-            {
-                let this = cx.entity().downgrade();
-                move |ix, window: &mut Window, cx: &mut App| {
-                    this.update(cx, |this, cx| {
-                        let component = this.get_component(ix);
-                        this.render_preview(&component, window, cx)
-                            .into_any_element()
-                    })
-                    .unwrap()
-                }
-            },
         );
 
         let mut component_preview = Self {
@@ -191,6 +178,7 @@ impl ComponentPreview {
             active_thread: None,
             reset_key: 0,
             component_list,
+            entries: Vec::new(),
             component_map: component_registry.component_map(),
             components: sorted_components,
             cursor_index: selected_index,
@@ -277,10 +265,6 @@ impl ComponentPreview {
         cx.notify();
     }
 
-    fn get_component(&self, ix: usize) -> ComponentMetadata {
-        self.components[ix].clone()
-    }
-
     fn filtered_components(&self) -> Vec<ComponentMetadata> {
         if self.filter_text.is_empty() {
             return self.components.clone();
@@ -332,25 +316,25 @@ impl ComponentPreview {
             let lowercase_scope = scope_name.to_lowercase();
             let lowercase_desc = description.to_lowercase();
 
-            if lowercase_scopeless.contains(&lowercase_filter) {
-                if let Some(index) = lowercase_scopeless.find(&lowercase_filter) {
-                    let end = index + lowercase_filter.len();
+            if lowercase_scopeless.contains(&lowercase_filter)
+                && let Some(index) = lowercase_scopeless.find(&lowercase_filter)
+            {
+                let end = index + lowercase_filter.len();
 
-                    if end <= scopeless_name.len() {
-                        let mut positions = Vec::new();
-                        for i in index..end {
-                            if scopeless_name.is_char_boundary(i) {
-                                positions.push(i);
-                            }
+                if end <= scopeless_name.len() {
+                    let mut positions = Vec::new();
+                    for i in index..end {
+                        if scopeless_name.is_char_boundary(i) {
+                            positions.push(i);
                         }
+                    }
 
-                        if !positions.is_empty() {
-                            scope_groups
-                                .entry(component.scope())
-                                .or_insert_with(Vec::new)
-                                .push((component.clone(), Some(positions)));
-                            continue;
-                        }
+                    if !positions.is_empty() {
+                        scope_groups
+                            .entry(component.scope())
+                            .or_insert_with(Vec::new)
+                            .push((component.clone(), Some(positions)));
+                        continue;
                     }
                 }
             }
@@ -386,32 +370,32 @@ impl ComponentPreview {
         scopes.sort_by_key(|s| s.to_string());
 
         for scope in scopes {
-            if let Some(components) = scope_groups.remove(&scope) {
-                if !components.is_empty() {
-                    entries.push(PreviewEntry::Separator);
-                    entries.push(PreviewEntry::SectionHeader(scope.to_string().into()));
+            if let Some(components) = scope_groups.remove(&scope)
+                && !components.is_empty()
+            {
+                entries.push(PreviewEntry::Separator);
+                entries.push(PreviewEntry::SectionHeader(scope.to_string().into()));
 
-                    let mut sorted_components = components;
-                    sorted_components.sort_by_key(|(component, _)| component.sort_name());
+                let mut sorted_components = components;
+                sorted_components.sort_by_key(|(component, _)| component.sort_name());
 
-                    for (component, positions) in sorted_components {
-                        entries.push(PreviewEntry::Component(component, positions));
-                    }
+                for (component, positions) in sorted_components {
+                    entries.push(PreviewEntry::Component(component, positions));
                 }
             }
         }
 
         // Add uncategorized components last
-        if let Some(components) = scope_groups.get(&ComponentScope::None) {
-            if !components.is_empty() {
-                entries.push(PreviewEntry::Separator);
-                entries.push(PreviewEntry::SectionHeader("Uncategorized".into()));
-                let mut sorted_components = components.clone();
-                sorted_components.sort_by_key(|(c, _)| c.sort_name());
+        if let Some(components) = scope_groups.get(&ComponentScope::None)
+            && !components.is_empty()
+        {
+            entries.push(PreviewEntry::Separator);
+            entries.push(PreviewEntry::SectionHeader("Uncategorized".into()));
+            let mut sorted_components = components.clone();
+            sorted_components.sort_by_key(|(c, _)| c.sort_name());
 
-                for (component, positions) in sorted_components {
-                    entries.push(PreviewEntry::Component(component, positions));
-                }
+            for (component, positions) in sorted_components {
+                entries.push(PreviewEntry::Component(component, positions));
             }
         }
 
@@ -421,7 +405,6 @@ impl ComponentPreview {
     fn update_component_list(&mut self, cx: &mut Context<Self>) {
         let entries = self.scope_ordered_entries();
         let new_len = entries.len();
-        let weak_entity = cx.entity().downgrade();
 
         if new_len > 0 {
             self.nav_scroll_handle
@@ -430,73 +413,27 @@ impl ComponentPreview {
 
         let filtered_components = self.filtered_components();
 
-        if !self.filter_text.is_empty() && !matches!(self.active_page, PreviewPage::AllComponents) {
-            if let PreviewPage::Component(ref component_id) = self.active_page {
-                let component_still_visible = filtered_components
-                    .iter()
-                    .any(|component| component.id() == *component_id);
+        if !self.filter_text.is_empty()
+            && !matches!(self.active_page, PreviewPage::AllComponents)
+            && let PreviewPage::Component(ref component_id) = self.active_page
+        {
+            let component_still_visible = filtered_components
+                .iter()
+                .any(|component| component.id() == *component_id);
 
-                if !component_still_visible {
-                    if !filtered_components.is_empty() {
-                        let first_component = &filtered_components[0];
-                        self.set_active_page(PreviewPage::Component(first_component.id()), cx);
-                    } else {
-                        self.set_active_page(PreviewPage::AllComponents, cx);
-                    }
+            if !component_still_visible {
+                if !filtered_components.is_empty() {
+                    let first_component = &filtered_components[0];
+                    self.set_active_page(PreviewPage::Component(first_component.id()), cx);
+                } else {
+                    self.set_active_page(PreviewPage::AllComponents, cx);
                 }
             }
         }
 
-        self.component_list = ListState::new(
-            filtered_components.len(),
-            gpui::ListAlignment::Top,
-            px(1500.0),
-            {
-                let components = filtered_components.clone();
-                let this = cx.entity().downgrade();
-                move |ix, window: &mut Window, cx: &mut App| {
-                    if ix >= components.len() {
-                        return div().w_full().h_0().into_any_element();
-                    }
+        self.component_list = ListState::new(new_len, gpui::ListAlignment::Top, px(1500.0));
+        self.entries = entries;
 
-                    this.update(cx, |this, cx| {
-                        let component = &components[ix];
-                        this.render_preview(component, window, cx)
-                            .into_any_element()
-                    })
-                    .unwrap()
-                }
-            },
-        );
-
-        let new_list = ListState::new(
-            new_len,
-            gpui::ListAlignment::Top,
-            px(1500.0),
-            move |ix, window, cx| {
-                if ix >= entries.len() {
-                    return div().w_full().h_0().into_any_element();
-                }
-
-                let entry = &entries[ix];
-
-                weak_entity
-                    .update(cx, |this, cx| match entry {
-                        PreviewEntry::Component(component, _) => this
-                            .render_preview(component, window, cx)
-                            .into_any_element(),
-                        PreviewEntry::SectionHeader(shared_string) => this
-                            .render_scope_header(ix, shared_string.clone(), window, cx)
-                            .into_any_element(),
-                        PreviewEntry::AllComponents => div().w_full().h_0().into_any_element(),
-                        PreviewEntry::ActiveThread => div().w_full().h_0().into_any_element(),
-                        PreviewEntry::Separator => div().w_full().h_0().into_any_element(),
-                    })
-                    .unwrap()
-            },
-        );
-
-        self.component_list = new_list;
         cx.emit(ItemEvent::UpdateTab);
     }
 
@@ -523,12 +460,12 @@ impl ComponentPreview {
                             Vec::new()
                         };
                         if valid_positions.is_empty() {
-                            Label::new(name.clone()).into_any_element()
+                            Label::new(name).into_any_element()
                         } else {
-                            HighlightedLabel::new(name.clone(), valid_positions).into_any_element()
+                            HighlightedLabel::new(name, valid_positions).into_any_element()
                         }
                     } else {
-                        Label::new(name.clone()).into_any_element()
+                        Label::new(name).into_any_element()
                     })
                     .selectable(true)
                     .toggle_state(selected)
@@ -673,10 +610,35 @@ impl ComponentPreview {
                         .child(format!("No components matching '{}'.", self.filter_text))
                         .into_any_element()
                 } else {
-                    list(self.component_list.clone())
-                        .flex_grow()
-                        .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
-                        .into_any_element()
+                    list(
+                        self.component_list.clone(),
+                        cx.processor(|this, ix, window, cx| {
+                            if ix >= this.entries.len() {
+                                return div().w_full().h_0().into_any_element();
+                            }
+
+                            let entry = &this.entries[ix];
+
+                            match entry {
+                                PreviewEntry::Component(component, _) => this
+                                    .render_preview(component, window, cx)
+                                    .into_any_element(),
+                                PreviewEntry::SectionHeader(shared_string) => this
+                                    .render_scope_header(ix, shared_string.clone(), window, cx)
+                                    .into_any_element(),
+                                PreviewEntry::AllComponents => {
+                                    div().w_full().h_0().into_any_element()
+                                }
+                                PreviewEntry::ActiveThread => {
+                                    div().w_full().h_0().into_any_element()
+                                }
+                                PreviewEntry::Separator => div().w_full().h_0().into_any_element(),
+                            }
+                        }),
+                    )
+                    .flex_grow()
+                    .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
+                    .into_any_element()
                 },
             )
     }
@@ -687,7 +649,7 @@ impl ComponentPreview {
         _window: &mut Window,
         _cx: &mut Context<Self>,
     ) -> impl IntoElement {
-        let component = self.component_map.get(&component_id);
+        let component = self.component_map.get(component_id);
 
         if let Some(component) = component {
             v_flex()
@@ -721,7 +683,7 @@ impl ComponentPreview {
                     .h_full()
                     .py_8()
                     .bg(cx.theme().colors().panel_background)
-                    .children(self.active_thread.clone().map(|thread| thread.clone()))
+                    .children(self.active_thread.clone())
                     .when_none(&self.active_thread.clone(), |this| {
                         this.child("No active thread")
                     }),
@@ -734,7 +696,7 @@ impl ComponentPreview {
             workspace.update(cx, |workspace, cx| {
                 let status_toast =
                     StatusToast::new("`zed/new-notification-system` created!", cx, |this, _cx| {
-                        this.icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
+                        this.icon(ToastIcon::new(IconName::GitBranchAlt).color(Color::Muted))
                             .action("Open Pull Request", |_, cx| {
                                 cx.open_url("https://github.com/")
                             })
@@ -752,7 +714,7 @@ impl Render for ComponentPreview {
             if input.is_empty(cx) {
                 String::new()
             } else {
-                input.editor().read(cx).text(cx).to_string()
+                input.editor().read(cx).text(cx)
             }
         });
 
@@ -798,7 +760,7 @@ impl Render for ComponentPreview {
                         )
                         .track_scroll(self.nav_scroll_handle.clone())
                         .p_2p5()
-                        .w(px(229.))
+                        .w(px(231.)) // Matches perfectly with the size of the "Component Preview" tab, if that's the first one in the pane
                         .h_full()
                         .flex_1(),
                     )
@@ -965,7 +927,7 @@ impl SerializableItem for ComponentPreview {
                 Err(_) => ActivePageId::default(),
             };
 
-        let user_store = project.read(cx).user_store().clone();
+        let user_store = project.read(cx).user_store();
         let language_registry = project.read(cx).languages().clone();
         let preview_page = if deserialized_active_page.0 == ActivePageId::default().0 {
             Some(PreviewPage::default())
@@ -976,7 +938,7 @@ impl SerializableItem for ComponentPreview {
             let found_component = all_components.iter().find(|c| c.id().0 == component_str);
 
             if let Some(component) = found_component {
-                Some(PreviewPage::Component(component.id().clone()))
+                Some(PreviewPage::Component(component.id()))
             } else {
                 Some(PreviewPage::default())
             }
@@ -1093,7 +1055,7 @@ impl ComponentPreviewPage {
                             .rounded_sm()
                             .bg(color.color(cx).alpha(0.12))
                             .child(
-                                Label::new(status.clone().to_string())
+                                Label::new(status.to_string())
                                     .size(LabelSize::Small)
                                     .color(color),
                             ),
diff --git a/crates/zed/src/zed/component_preview/persistence.rs b/crates/zed/src/zed/component_preview/persistence.rs
index 780f7f7626..c37a4cc389 100644
--- a/crates/zed/src/zed/component_preview/persistence.rs
+++ b/crates/zed/src/zed/component_preview/persistence.rs
@@ -1,10 +1,17 @@
 use anyhow::Result;
-use db::{define_connection, query, sqlez::statement::Statement, sqlez_macros::sql};
+use db::{
+    query,
+    sqlez::{domain::Domain, statement::Statement, thread_safe_connection::ThreadSafeConnection},
+    sqlez_macros::sql,
+};
 use workspace::{ItemId, WorkspaceDb, WorkspaceId};
 
-define_connection! {
-    pub static ref COMPONENT_PREVIEW_DB: ComponentPreviewDb<WorkspaceDb> =
-        &[sql!(
+pub struct ComponentPreviewDb(ThreadSafeConnection);
+
+impl Domain for ComponentPreviewDb {
+    const NAME: &str = stringify!(ComponentPreviewDb);
+
+    const MIGRATIONS: &[&str] = &[sql!(
             CREATE TABLE component_previews (
                 workspace_id INTEGER,
                 item_id INTEGER UNIQUE,
@@ -13,9 +20,11 @@ define_connection! {
                 FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
                 ON DELETE CASCADE
             ) STRICT;
-        )];
+    )];
 }
 
+db::static_connection!(COMPONENT_PREVIEW_DB, ComponentPreviewDb, [WorkspaceDb]);
+
 impl ComponentPreviewDb {
     pub async fn save_active_page(
         &self,
diff --git a/crates/zed/src/zed/component_preview/preview_support/active_thread.rs b/crates/zed/src/zed/component_preview/preview_support/active_thread.rs
index 825744572d..de98106fae 100644
--- a/crates/zed/src/zed/component_preview/preview_support/active_thread.rs
+++ b/crates/zed/src/zed/component_preview/preview_support/active_thread.rs
@@ -12,21 +12,19 @@ use ui::{App, Window};
 use workspace::Workspace;
 
 pub fn load_preview_thread_store(
-    workspace: WeakEntity<Workspace>,
     project: Entity<Project>,
     cx: &mut AsyncApp,
 ) -> Task<Result<Entity<ThreadStore>>> {
-    workspace
-        .update(cx, |_, cx| {
-            ThreadStore::load(
-                project.clone(),
-                cx.new(|_| ToolWorkingSet::default()),
-                None,
-                Arc::new(PromptBuilder::new(None).unwrap()),
-                cx,
-            )
-        })
-        .unwrap_or(Task::ready(Err(anyhow!("workspace dropped"))))
+    cx.update(|cx| {
+        ThreadStore::load(
+            project.clone(),
+            cx.new(|_| ToolWorkingSet::default()),
+            None,
+            Arc::new(PromptBuilder::new(None).unwrap()),
+            cx,
+        )
+    })
+    .unwrap_or(Task::ready(Err(anyhow!("workspace dropped"))))
 }
 
 pub fn load_preview_text_thread_store(
diff --git a/crates/zed/src/zed/inline_completion_registry.rs b/crates/zed/src/zed/edit_prediction_registry.rs
similarity index 62%
rename from crates/zed/src/zed/inline_completion_registry.rs
rename to crates/zed/src/zed/edit_prediction_registry.rs
index 52b7166a11..bc2d757fd1 100644
--- a/crates/zed/src/zed/inline_completion_registry.rs
+++ b/crates/zed/src/zed/edit_prediction_registry.rs
@@ -1,17 +1,15 @@
-use client::{Client, DisableAiSettings, UserStore};
+use client::{Client, UserStore};
 use collections::HashMap;
 use copilot::{Copilot, CopilotCompletionProvider};
 use editor::Editor;
 use gpui::{AnyWindowHandle, App, AppContext as _, Context, Entity, WeakEntity};
 use language::language_settings::{EditPredictionProvider, all_language_settings};
-use settings::{Settings as _, SettingsStore};
-use smol::stream::StreamExt;
+use settings::SettingsStore;
 use std::{cell::RefCell, rc::Rc, sync::Arc};
 use supermaven::{Supermaven, SupermavenCompletionProvider};
 use ui::Window;
-use util::ResultExt;
 use workspace::Workspace;
-use zeta::{ProviderDataCollection, ZetaInlineCompletionProvider};
+use zeta::{ProviderDataCollection, ZetaEditPredictionProvider};
 
 pub fn init(client: Arc<Client>, user_store: Entity<UserStore>, cx: &mut App) {
     let editors: Rc<RefCell<HashMap<WeakEntity<Editor>, AnyWindowHandle>>> = Rc::default();
@@ -59,47 +57,28 @@ pub fn init(client: Arc<Client>, user_store: Entity<UserStore>, cx: &mut App) {
     cx.on_action(clear_zeta_edit_history);
 
     let mut provider = all_language_settings(None, cx).edit_predictions.provider;
-    cx.spawn({
-        let user_store = user_store.clone();
+    cx.subscribe(&user_store, {
         let editors = editors.clone();
         let client = client.clone();
 
-        async move |cx| {
-            let mut status = client.status();
-            while let Some(_status) = status.next().await {
-                cx.update(|cx| {
-                    assign_edit_prediction_providers(
-                        &editors,
-                        provider,
-                        &client,
-                        user_store.clone(),
-                        cx,
-                    );
-                })
-                .log_err();
+        move |user_store, event, cx| {
+            if let client::user::Event::PrivateUserInfoUpdated = event {
+                assign_edit_prediction_providers(&editors, provider, &client, user_store, cx);
             }
         }
     })
     .detach();
 
     cx.observe_global::<SettingsStore>({
-        let editors = editors.clone();
-        let client = client.clone();
         let user_store = user_store.clone();
         move |cx| {
             let new_provider = all_language_settings(None, cx).edit_predictions.provider;
 
             if new_provider != provider {
-                let tos_accepted = user_store
-                    .read(cx)
-                    .current_user_has_accepted_terms()
-                    .unwrap_or(false);
-
                 telemetry::event!(
                     "Edit Prediction Provider Changed",
                     from = provider,
                     to = new_provider,
-                    zed_ai_tos_accepted = tos_accepted,
                 );
 
                 provider = new_provider;
@@ -110,28 +89,6 @@ pub fn init(client: Arc<Client>, user_store: Entity<UserStore>, cx: &mut App) {
                     user_store.clone(),
                     cx,
                 );
-
-                if !tos_accepted {
-                    match provider {
-                        EditPredictionProvider::Zed => {
-                            let Some(window) = cx.active_window() else {
-                                return;
-                            };
-
-                            window
-                                .update(cx, |_, window, cx| {
-                                    window.dispatch_action(
-                                        Box::new(zed_actions::OpenZedPredictOnboarding),
-                                        cx,
-                                    );
-                                })
-                                .ok();
-                        }
-                        EditPredictionProvider::None
-                        | EditPredictionProvider::Copilot
-                        | EditPredictionProvider::Supermaven => {}
-                    }
-                }
             }
         }
     })
@@ -157,7 +114,7 @@ fn assign_edit_prediction_providers(
                 assign_edit_prediction_provider(
                     editor,
                     provider,
-                    &client,
+                    client,
                     user_store.clone(),
                     window,
                     cx,
@@ -174,7 +131,7 @@ fn register_backward_compatible_actions(editor: &mut Editor, cx: &mut Context<Ed
     editor
         .register_action(cx.listener(
             |editor, _: &copilot::Suggest, window: &mut Window, cx: &mut Context<Editor>| {
-                editor.show_inline_completion(&Default::default(), window, cx);
+                editor.show_edit_prediction(&Default::default(), window, cx);
             },
         ))
         .detach();
@@ -195,18 +152,6 @@ fn register_backward_compatible_actions(editor: &mut Editor, cx: &mut Context<Ed
             },
         ))
         .detach();
-    if !DisableAiSettings::get_global(cx).disable_ai {
-        editor
-            .register_action(cx.listener(
-                |editor,
-                 _: &editor::actions::AcceptPartialCopilotSuggestion,
-                 window: &mut Window,
-                 cx: &mut Context<Editor>| {
-                    editor.accept_partial_inline_completion(&Default::default(), window, cx);
-                },
-            ))
-            .detach();
-    }
 }
 
 fn assign_edit_prediction_provider(
@@ -222,16 +167,16 @@ fn assign_edit_prediction_provider(
 
     match provider {
         EditPredictionProvider::None => {
-            editor.set_edit_prediction_provider::<ZetaInlineCompletionProvider>(None, window, cx);
+            editor.set_edit_prediction_provider::<ZetaEditPredictionProvider>(None, window, cx);
         }
         EditPredictionProvider::Copilot => {
             if let Some(copilot) = Copilot::global(cx) {
-                if let Some(buffer) = singleton_buffer {
-                    if buffer.read(cx).file().is_some() {
-                        copilot.update(cx, |copilot, cx| {
-                            copilot.register_buffer(&buffer, cx);
-                        });
-                    }
+                if let Some(buffer) = singleton_buffer
+                    && buffer.read(cx).file().is_some()
+                {
+                    copilot.update(cx, |copilot, cx| {
+                        copilot.register_buffer(&buffer, cx);
+                    });
                 }
                 let provider = cx.new(|_| CopilotCompletionProvider::new(copilot));
                 editor.set_edit_prediction_provider(Some(provider), window, cx);
@@ -244,19 +189,18 @@ fn assign_edit_prediction_provider(
             }
         }
         EditPredictionProvider::Zed => {
-            if client.status().borrow().is_connected() {
+            if user_store.read(cx).current_user().is_some() {
                 let mut worktree = None;
 
-                if let Some(buffer) = &singleton_buffer {
-                    if let Some(file) = buffer.read(cx).file() {
-                        let id = file.worktree_id(cx);
-                        if let Some(inner_worktree) = editor
-                            .project
-                            .as_ref()
-                            .and_then(|project| project.read(cx).worktree_for_id(id, cx))
-                        {
-                            worktree = Some(inner_worktree);
-                        }
+                if let Some(buffer) = &singleton_buffer
+                    && let Some(file) = buffer.read(cx).file()
+                {
+                    let id = file.worktree_id(cx);
+                    if let Some(inner_worktree) = editor
+                        .project()
+                        .and_then(|project| project.read(cx).worktree_for_id(id, cx))
+                    {
+                        worktree = Some(inner_worktree);
                     }
                 }
 
@@ -268,19 +212,19 @@ fn assign_edit_prediction_provider(
                 let zeta =
                     zeta::Zeta::register(workspace, worktree, client.clone(), user_store, cx);
 
-                if let Some(buffer) = &singleton_buffer {
-                    if buffer.read(cx).file().is_some() {
-                        zeta.update(cx, |zeta, cx| {
-                            zeta.register_buffer(&buffer, cx);
-                        });
-                    }
+                if let Some(buffer) = &singleton_buffer
+                    && buffer.read(cx).file().is_some()
+                {
+                    zeta.update(cx, |zeta, cx| {
+                        zeta.register_buffer(buffer, cx);
+                    });
                 }
 
                 let data_collection =
                     ProviderDataCollection::new(zeta.clone(), singleton_buffer, cx);
 
                 let provider =
-                    cx.new(|_| zeta::ZetaInlineCompletionProvider::new(zeta, data_collection));
+                    cx.new(|_| zeta::ZetaEditPredictionProvider::new(zeta, data_collection));
 
                 editor.set_edit_prediction_provider(Some(provider), window, cx);
             }
diff --git a/crates/zed/src/zed/mac_only_instance.rs b/crates/zed/src/zed/mac_only_instance.rs
index 716c2224e3..cb9641e9df 100644
--- a/crates/zed/src/zed/mac_only_instance.rs
+++ b/crates/zed/src/zed/mac_only_instance.rs
@@ -37,20 +37,19 @@ fn address() -> SocketAddr {
     let mut user_port = port;
     let mut sys = System::new_all();
     sys.refresh_all();
-    if let Ok(current_pid) = sysinfo::get_current_pid() {
-        if let Some(uid) = sys
+    if let Ok(current_pid) = sysinfo::get_current_pid()
+        && let Some(uid) = sys
             .process(current_pid)
             .and_then(|process| process.user_id())
-        {
-            let uid_u32 = get_uid_as_u32(uid);
-            // Ensure that the user ID is not too large to avoid overflow when
-            // calculating the port number. This seems unlikely but it doesn't
-            // hurt to be safe.
-            let max_port = 65535;
-            let max_uid: u32 = max_port - port as u32;
-            let wrapped_uid: u16 = (uid_u32 % max_uid) as u16;
-            user_port += wrapped_uid;
-        }
+    {
+        let uid_u32 = get_uid_as_u32(uid);
+        // Ensure that the user ID is not too large to avoid overflow when
+        // calculating the port number. This seems unlikely but it doesn't
+        // hurt to be safe.
+        let max_port = 65535;
+        let max_uid: u32 = max_port - port as u32;
+        let wrapped_uid: u16 = (uid_u32 % max_uid) as u16;
+        user_port += wrapped_uid;
     }
 
     SocketAddr::V4(SocketAddrV4::new(LOCALHOST, user_port))
diff --git a/crates/zed/src/zed/migrate.rs b/crates/zed/src/zed/migrate.rs
index 48bffb4114..2452f17d04 100644
--- a/crates/zed/src/zed/migrate.rs
+++ b/crates/zed/src/zed/migrate.rs
@@ -177,7 +177,7 @@ impl ToolbarItemView for MigrationBanner {
             }));
         }
 
-        return ToolbarItemLocation::Hidden;
+        ToolbarItemLocation::Hidden
     }
 }
 
diff --git a/crates/zed/src/zed/open_listener.rs b/crates/zed/src/zed/open_listener.rs
index 2fd9b0a68c..2194fb7af5 100644
--- a/crates/zed/src/zed/open_listener.rs
+++ b/crates/zed/src/zed/open_listener.rs
@@ -15,6 +15,8 @@ use futures::{FutureExt, SinkExt, StreamExt};
 use git_ui::file_diff_view::FileDiffView;
 use gpui::{App, AsyncApp, Global, WindowHandle};
 use language::Point;
+use onboarding::FIRST_OPEN;
+use onboarding::show_onboarding_view;
 use recent_projects::{SshSettings, open_ssh_project};
 use remote::SshConnectionOptions;
 use settings::Settings;
@@ -24,7 +26,7 @@ use std::thread;
 use std::time::Duration;
 use util::ResultExt;
 use util::paths::PathWithPosition;
-use welcome::{FIRST_OPEN, show_welcome_view};
+use workspace::PathList;
 use workspace::item::ItemHandle;
 use workspace::{AppState, OpenOptions, SerializedWorkspaceLocation, Workspace};
 
@@ -101,11 +103,8 @@ impl OpenRequest {
             self.open_paths.is_empty(),
             "cannot open both local and ssh paths"
         );
-        let mut connection_options = SshSettings::get_global(cx).connection_options_for(
-            host.clone(),
-            port,
-            username.clone(),
-        );
+        let mut connection_options =
+            SshSettings::get_global(cx).connection_options_for(host, port, username);
         if let Some(password) = url.password() {
             connection_options.password = Some(password.to_string());
         }
@@ -122,26 +121,24 @@ impl OpenRequest {
 
     fn parse_request_path(&mut self, request_path: &str) -> Result<()> {
         let mut parts = request_path.split('/');
-        if parts.next() == Some("channel") {
-            if let Some(slug) = parts.next() {
-                if let Some(id_str) = slug.split('-').next_back() {
-                    if let Ok(channel_id) = id_str.parse::<u64>() {
-                        let Some(next) = parts.next() else {
-                            self.join_channel = Some(channel_id);
-                            return Ok(());
-                        };
+        if parts.next() == Some("channel")
+            && let Some(slug) = parts.next()
+            && let Some(id_str) = slug.split('-').next_back()
+            && let Ok(channel_id) = id_str.parse::<u64>()
+        {
+            let Some(next) = parts.next() else {
+                self.join_channel = Some(channel_id);
+                return Ok(());
+            };
 
-                        if let Some(heading) = next.strip_prefix("notes#") {
-                            self.open_channel_notes
-                                .push((channel_id, Some(heading.to_string())));
-                            return Ok(());
-                        }
-                        if next == "notes" {
-                            self.open_channel_notes.push((channel_id, None));
-                            return Ok(());
-                        }
-                    }
-                }
+            if let Some(heading) = next.strip_prefix("notes#") {
+                self.open_channel_notes
+                    .push((channel_id, Some(heading.to_string())));
+                return Ok(());
+            }
+            if next == "notes" {
+                self.open_channel_notes.push((channel_id, None));
+                return Ok(());
             }
         }
         anyhow::bail!("invalid zed url: {request_path}")
@@ -180,10 +177,10 @@ pub fn listen_for_cli_connections(opener: OpenListener) -> Result<()> {
 
     let sock_path = paths::data_dir().join(format!("zed-{}.sock", *RELEASE_CHANNEL_NAME));
     // remove the socket if the process listening on it has died
-    if let Err(e) = UnixDatagram::unbound()?.connect(&sock_path) {
-        if e.kind() == std::io::ErrorKind::ConnectionRefused {
-            std::fs::remove_file(&sock_path)?;
-        }
+    if let Err(e) = UnixDatagram::unbound()?.connect(&sock_path)
+        && e.kind() == std::io::ErrorKind::ConnectionRefused
+    {
+        std::fs::remove_file(&sock_path)?;
     }
     let listener = UnixDatagram::bind(&sock_path)?;
     thread::spawn(move || {
@@ -243,12 +240,12 @@ pub async fn open_paths_with_positions(
         .iter()
         .map(|path_with_position| {
             let path = path_with_position.path.clone();
-            if let Some(row) = path_with_position.row {
-                if path.is_file() {
-                    let row = row.saturating_sub(1);
-                    let col = path_with_position.column.unwrap_or(0).saturating_sub(1);
-                    caret_positions.insert(path.clone(), Point::new(row, col));
-                }
+            if let Some(row) = path_with_position.row
+                && path.is_file()
+            {
+                let row = row.saturating_sub(1);
+                let col = path_with_position.column.unwrap_or(0).saturating_sub(1);
+                caret_positions.insert(path.clone(), Point::new(row, col));
             }
             path
         })
@@ -263,10 +260,9 @@ pub async fn open_paths_with_positions(
         let new_path = Path::new(&diff_pair[1]).canonicalize()?;
         if let Ok(diff_view) = workspace.update(cx, |workspace, window, cx| {
             FileDiffView::open(old_path, new_path, workspace, window, cx)
-        }) {
-            if let Some(diff_view) = diff_view.await.log_err() {
-                items.push(Some(Ok(Box::new(diff_view))))
-            }
+        }) && let Some(diff_view) = diff_view.await.log_err()
+        {
+            items.push(Some(Ok(Box::new(diff_view))))
         }
     }
 
@@ -366,19 +362,21 @@ async fn open_workspaces(
         if open_new_workspace == Some(true) {
             Vec::new()
         } else {
-            let locations = restorable_workspace_locations(cx, &app_state).await;
-            locations.unwrap_or_default()
+            restorable_workspace_locations(cx, &app_state)
+                .await
+                .unwrap_or_default()
         }
     } else {
-        vec![SerializedWorkspaceLocation::from_local_paths(
-            paths.into_iter().map(PathBuf::from),
+        vec![(
+            SerializedWorkspaceLocation::Local,
+            PathList::new(&paths.into_iter().map(PathBuf::from).collect::<Vec<_>>()),
         )]
     };
 
     if grouped_locations.is_empty() {
         // If we have no paths to open, show the welcome screen if this is the first launch
         if matches!(KEY_VALUE_STORE.read_kvp(FIRST_OPEN), Ok(None)) {
-            cx.update(|cx| show_welcome_view(app_state, cx).detach())
+            cx.update(|cx| show_onboarding_view(app_state, cx).detach())
                 .log_err();
         }
         // If not the first launch, show an empty window with empty editor
@@ -399,9 +397,9 @@ async fn open_workspaces(
         // If there are paths to open, open a workspace for each grouping of paths
         let mut errored = false;
 
-        for location in grouped_locations {
+        for (location, workspace_paths) in grouped_locations {
             match location {
-                SerializedWorkspaceLocation::Local(workspace_paths, _) => {
+                SerializedWorkspaceLocation::Local => {
                     let workspace_paths = workspace_paths
                         .paths()
                         .iter()
@@ -431,13 +429,13 @@ async fn open_workspaces(
                             .connection_options_for(ssh.host, ssh.port, ssh.user)
                     });
                     if let Ok(connection_options) = connection_options {
-                        cx.spawn(async move |mut cx| {
+                        cx.spawn(async move |cx| {
                             open_ssh_project(
                                 connection_options,
-                                ssh.paths.into_iter().map(PathBuf::from).collect(),
+                                workspace_paths.paths().to_vec(),
                                 app_state,
                                 OpenOptions::default(),
-                                &mut cx,
+                                cx,
                             )
                             .await
                             .log_err();
diff --git a/crates/zed/src/zed/quick_action_bar.rs b/crates/zed/src/zed/quick_action_bar.rs
index aff124a0bc..e57d5d3889 100644
--- a/crates/zed/src/zed/quick_action_bar.rs
+++ b/crates/zed/src/zed/quick_action_bar.rs
@@ -2,7 +2,6 @@ mod preview;
 mod repl_menu;
 
 use agent_settings::AgentSettings;
-use client::DisableAiSettings;
 use editor::actions::{
     AddSelectionAbove, AddSelectionBelow, CodeActionSource, DuplicateLineDown, GoToDiagnostic,
     GoToHunk, GoToPreviousDiagnostic, GoToPreviousHunk, MoveLineDown, MoveLineUp, SelectAll,
@@ -16,6 +15,7 @@ use gpui::{
     FocusHandle, Focusable, InteractiveElement, ParentElement, Render, Styled, Subscription,
     WeakEntity, Window, anchored, deferred, point,
 };
+use project::DisableAiSettings;
 use project::project_settings::DiagnosticSeverity;
 use search::{BufferSearchBar, buffer_search};
 use settings::{Settings, SettingsStore};
@@ -140,7 +140,7 @@ impl Render for QuickActionBar {
         let search_button = editor.is_singleton(cx).then(|| {
             QuickActionBarButton::new(
                 "toggle buffer search",
-                IconName::MagnifyingGlass,
+                search::SEARCH_ICON,
                 !self.buffer_search_bar.read(cx).is_dismissed(),
                 Box::new(buffer_search::Deploy::find()),
                 focus_handle.clone(),
@@ -161,7 +161,7 @@ impl Render for QuickActionBar {
             IconName::ZedAssistant,
             false,
             Box::new(InlineAssist::default()),
-            focus_handle.clone(),
+            focus_handle,
             "Inline Assist",
             move |_, window, cx| {
                 window.dispatch_action(Box::new(InlineAssist::default()), cx);
@@ -175,14 +175,14 @@ impl Render for QuickActionBar {
                 let code_action_menu = menu_ref
                     .as_ref()
                     .filter(|menu| matches!(menu, CodeContextMenu::CodeActions(..)));
-                code_action_menu.as_ref().map_or(false, |menu| {
-                    matches!(menu.origin(), ContextMenuOrigin::QuickActionBar)
-                })
+                code_action_menu
+                    .as_ref()
+                    .is_some_and(|menu| matches!(menu.origin(), ContextMenuOrigin::QuickActionBar))
             };
             let code_action_element = if is_deployed {
                 editor.update(cx, |editor, cx| {
                     if let Some(style) = editor.style() {
-                        editor.render_context_menu(&style, MAX_CODE_ACTION_MENU_LINES, window, cx)
+                        editor.render_context_menu(style, MAX_CODE_ACTION_MENU_LINES, window, cx)
                     } else {
                         None
                     }
@@ -192,7 +192,7 @@ impl Render for QuickActionBar {
             };
             v_flex()
                 .child(
-                    IconButton::new("toggle_code_actions_icon", IconName::Bolt)
+                    IconButton::new("toggle_code_actions_icon", IconName::BoltOutlined)
                         .icon_size(IconSize::Small)
                         .style(ButtonStyle::Subtle)
                         .disabled(!has_available_code_actions)
@@ -215,7 +215,7 @@ impl Render for QuickActionBar {
                             )
                         })
                         .on_click({
-                            let focus = focus.clone();
+                            let focus = focus;
                             move |_, window, cx| {
                                 focus.dispatch_action(
                                     &ToggleCodeActions {
@@ -381,7 +381,7 @@ impl Render for QuickActionBar {
                             }
 
                             if has_edit_prediction_provider {
-                                let mut inline_completion_entry = ContextMenuEntry::new("Edit Predictions")
+                                let mut edit_prediction_entry = ContextMenuEntry::new("Edit Predictions")
                                     .toggleable(IconPosition::Start, edit_predictions_enabled_at_cursor && show_edit_predictions)
                                     .disabled(!edit_predictions_enabled_at_cursor)
                                     .action(
@@ -401,12 +401,12 @@ impl Render for QuickActionBar {
                                         }
                                     });
                                 if !edit_predictions_enabled_at_cursor {
-                                    inline_completion_entry = inline_completion_entry.documentation_aside(DocumentationSide::Left, |_| {
+                                    edit_prediction_entry = edit_prediction_entry.documentation_aside(DocumentationSide::Left, |_| {
                                         Label::new("You can't toggle edit predictions for this file as it is within the excluded files list.").into_any_element()
                                     });
                                 }
 
-                                menu = menu.item(inline_completion_entry);
+                                menu = menu.item(edit_prediction_entry);
                             }
 
                             menu = menu.separator();
diff --git a/crates/zed/src/zed/quick_action_bar/repl_menu.rs b/crates/zed/src/zed/quick_action_bar/repl_menu.rs
index 12e5cf1b76..eaa989f88d 100644
--- a/crates/zed/src/zed/quick_action_bar/repl_menu.rs
+++ b/crates/zed/src/zed/quick_action_bar/repl_menu.rs
@@ -196,7 +196,6 @@ impl QuickActionBar {
                                 .into_any_element()
                         },
                         {
-                            let editor = editor.clone();
                             move |window, cx| {
                                 repl::restart(editor.clone(), window, cx);
                             }
@@ -212,11 +211,11 @@ impl QuickActionBar {
             .trigger_with_tooltip(
                 ButtonLike::new_rounded_right(element_id("dropdown"))
                     .child(
-                        Icon::new(IconName::ChevronDownSmall)
+                        Icon::new(IconName::ChevronDown)
                             .size(IconSize::XSmall)
                             .color(Color::Muted),
                     )
-                    .width(rems(1.).into())
+                    .width(rems(1.))
                     .disabled(menu_state.popover_disabled),
                 Tooltip::text("REPL Menu"),
             );
@@ -346,7 +345,7 @@ impl QuickActionBar {
                 ),
             Tooltip::text("Select Kernel"),
         )
-        .with_handle(menu_handle.clone())
+        .with_handle(menu_handle)
         .into_any_element()
     }
 
@@ -362,7 +361,7 @@ impl QuickActionBar {
                         .shape(ui::IconButtonShape::Square)
                         .icon_size(ui::IconSize::Small)
                         .icon_color(Color::Muted)
-                        .tooltip(Tooltip::text(tooltip.clone()))
+                        .tooltip(Tooltip::text(tooltip))
                         .on_click(|_, _window, cx| {
                             cx.open_url(&format!("{}#installation", ZED_REPL_DOCUMENTATION))
                         }),
diff --git a/crates/zed/src/zed/windows_only_instance.rs b/crates/zed/src/zed/windows_only_instance.rs
index 277e8ee724..bd62dea75a 100644
--- a/crates/zed/src/zed/windows_only_instance.rs
+++ b/crates/zed/src/zed/windows_only_instance.rs
@@ -25,7 +25,8 @@ use windows::{
 
 use crate::{Args, OpenListener, RawOpenRequest};
 
-pub fn is_first_instance() -> bool {
+#[inline]
+fn is_first_instance() -> bool {
     unsafe {
         CreateMutexW(
             None,
@@ -37,7 +38,8 @@ pub fn is_first_instance() -> bool {
     unsafe { GetLastError() != ERROR_ALREADY_EXISTS }
 }
 
-pub fn handle_single_instance(opener: OpenListener, args: &Args, is_first_instance: bool) -> bool {
+pub fn handle_single_instance(opener: OpenListener, args: &Args) -> bool {
+    let is_first_instance = is_first_instance();
     if is_first_instance {
         // We are the first instance, listen for messages sent from other instances
         std::thread::spawn(move || {
diff --git a/crates/zed_actions/src/lib.rs b/crates/zed_actions/src/lib.rs
index 64891b6973..a5223a2cdf 100644
--- a/crates/zed_actions/src/lib.rs
+++ b/crates/zed_actions/src/lib.rs
@@ -156,7 +156,10 @@ pub mod workspace {
             #[action(deprecated_aliases = ["editor::CopyPath", "outline_panel::CopyPath", "project_panel::CopyPath"])]
             CopyPath,
             #[action(deprecated_aliases = ["editor::CopyRelativePath", "outline_panel::CopyRelativePath", "project_panel::CopyRelativePath"])]
-            CopyRelativePath
+            CopyRelativePath,
+            /// Opens the selected file with the system's default application.
+            #[action(deprecated_aliases = ["project_panel::OpenWithSystem"])]
+            OpenWithSystem,
         ]
     );
 }
@@ -285,13 +288,11 @@ pub mod agent {
             ResetOnboarding,
             /// Starts a chat conversation with the agent.
             Chat,
-            /// Displays the previous message in the history.
-            PreviousHistoryMessage,
-            /// Displays the next message in the history.
-            NextHistoryMessage,
             /// Toggles the language model selector dropdown.
             #[action(deprecated_aliases = ["assistant::ToggleModelSelector", "assistant2::ToggleModelSelector"])]
-            ToggleModelSelector
+            ToggleModelSelector,
+            /// Triggers re-authentication on Gemini
+            ReauthenticateAgent
         ]
     );
 }
diff --git a/crates/zeta/Cargo.toml b/crates/zeta/Cargo.toml
index 294d95aefd..ee76308ff3 100644
--- a/crates/zeta/Cargo.toml
+++ b/crates/zeta/Cargo.toml
@@ -26,6 +26,7 @@ collections.workspace = true
 command_palette_hooks.workspace = true
 copilot.workspace = true
 db.workspace = true
+edit_prediction.workspace = true
 editor.workspace = true
 feature_flags.workspace = true
 fs.workspace = true
@@ -33,14 +34,13 @@ futures.workspace = true
 gpui.workspace = true
 http_client.workspace = true
 indoc.workspace = true
-inline_completion.workspace = true
 language.workspace = true
 language_model.workspace = true
 log.workspace = true
 menu.workspace = true
 postage.workspace = true
 project.workspace = true
-proto.workspace = true
+rand.workspace = true
 regex.workspace = true
 release_channel.workspace = true
 serde.workspace = true
@@ -59,9 +59,11 @@ worktree.workspace = true
 zed_actions.workspace = true
 
 [dev-dependencies]
-collections = { workspace = true, features = ["test-support"] }
+call = { workspace = true, features = ["test-support"] }
 client = { workspace = true, features = ["test-support"] }
 clock = { workspace = true, features = ["test-support"] }
+cloud_api_types.workspace = true
+collections = { workspace = true, features = ["test-support"] }
 ctor.workspace = true
 editor = { workspace = true, features = ["test-support"] }
 gpui = { workspace = true, features = ["test-support"] }
@@ -77,5 +79,4 @@ tree-sitter-rust.workspace = true
 unindent.workspace = true
 workspace = { workspace = true, features = ["test-support"] }
 worktree = { workspace = true, features = ["test-support"] }
-call = { workspace = true, features = ["test-support"] }
 zlog.workspace = true
diff --git a/crates/zeta/src/completion_diff_element.rs b/crates/zeta/src/completion_diff_element.rs
index 3b7355d797..73c3cb20cd 100644
--- a/crates/zeta/src/completion_diff_element.rs
+++ b/crates/zeta/src/completion_diff_element.rs
@@ -1,6 +1,6 @@
 use std::cmp;
 
-use crate::InlineCompletion;
+use crate::EditPrediction;
 use gpui::{
     AnyElement, App, BorderStyle, Bounds, Corners, Edges, HighlightStyle, Hsla, StyledText,
     TextLayout, TextStyle, point, prelude::*, quad, size,
@@ -17,7 +17,7 @@ pub struct CompletionDiffElement {
 }
 
 impl CompletionDiffElement {
-    pub fn new(completion: &InlineCompletion, cx: &App) -> Self {
+    pub fn new(completion: &EditPrediction, cx: &App) -> Self {
         let mut diff = completion
             .snapshot
             .text_for_range(completion.excerpt_range.clone())
diff --git a/crates/zeta/src/init.rs b/crates/zeta/src/init.rs
index 4a65771223..6e5b31f99a 100644
--- a/crates/zeta/src/init.rs
+++ b/crates/zeta/src/init.rs
@@ -1,10 +1,10 @@
 use std::any::{Any, TypeId};
 
-use client::DisableAiSettings;
 use command_palette_hooks::CommandPaletteFilter;
 use feature_flags::{FeatureFlagAppExt as _, PredictEditsRateCompletionsFeatureFlag};
 use gpui::actions;
 use language::language_settings::{AllLanguageSettings, EditPredictionProvider};
+use project::DisableAiSettings;
 use settings::{Settings, SettingsStore, update_settings_file};
 use ui::App;
 use workspace::Workspace;
@@ -85,12 +85,10 @@ fn feature_gate_predict_edits_actions(cx: &mut App) {
         CommandPaletteFilter::update_global(cx, |filter, _cx| {
             if is_ai_disabled {
                 filter.hide_action_types(&zeta_all_action_types);
+            } else if has_feature_flag {
+                filter.show_action_types(rate_completion_action_types.iter());
             } else {
-                if has_feature_flag {
-                    filter.show_action_types(rate_completion_action_types.iter());
-                } else {
-                    filter.hide_action_types(&rate_completion_action_types);
-                }
+                filter.hide_action_types(&rate_completion_action_types);
             }
         });
     })
diff --git a/crates/zeta/src/input_excerpt.rs b/crates/zeta/src/input_excerpt.rs
index 5949e713e9..f4add6593e 100644
--- a/crates/zeta/src/input_excerpt.rs
+++ b/crates/zeta/src/input_excerpt.rs
@@ -9,7 +9,6 @@ use std::{fmt::Write, ops::Range};
 pub struct InputExcerpt {
     pub editable_range: Range<Point>,
     pub prompt: String,
-    pub speculated_output: String,
 }
 
 pub fn excerpt_for_cursor_position(
@@ -46,7 +45,6 @@ pub fn excerpt_for_cursor_position(
     let context_range = expand_range(snapshot, editable_range.clone(), context_token_limit);
 
     let mut prompt = String::new();
-    let mut speculated_output = String::new();
 
     writeln!(&mut prompt, "```{path}").unwrap();
     if context_range.start == Point::zero() {
@@ -58,12 +56,6 @@ pub fn excerpt_for_cursor_position(
     }
 
     push_editable_range(position, snapshot, editable_range.clone(), &mut prompt);
-    push_editable_range(
-        position,
-        snapshot,
-        editable_range.clone(),
-        &mut speculated_output,
-    );
 
     for chunk in snapshot.chunks(editable_range.end..context_range.end, false) {
         prompt.push_str(chunk.text);
@@ -73,7 +65,6 @@ pub fn excerpt_for_cursor_position(
     InputExcerpt {
         editable_range,
         prompt,
-        speculated_output,
     }
 }
 
@@ -99,7 +90,7 @@ fn expand_range(
     range: Range<Point>,
     mut remaining_tokens: usize,
 ) -> Range<Point> {
-    let mut expanded_range = range.clone();
+    let mut expanded_range = range;
     expanded_range.start.column = 0;
     expanded_range.end.column = snapshot.line_len(expanded_range.end.row);
     loop {
diff --git a/crates/zeta/src/license_detection.rs b/crates/zeta/src/license_detection.rs
index e27ef8918d..022b2d19de 100644
--- a/crates/zeta/src/license_detection.rs
+++ b/crates/zeta/src/license_detection.rs
@@ -1,204 +1,213 @@
+use std::{
+    collections::BTreeSet,
+    path::{Path, PathBuf},
+    sync::{Arc, LazyLock},
+};
+
+use fs::Fs;
+use futures::StreamExt as _;
+use gpui::{App, AppContext as _, Entity, Subscription, Task};
+use postage::watch;
+use project::Worktree;
 use regex::Regex;
+use util::ResultExt as _;
+use worktree::ChildEntriesOptions;
 
-/// The most common license locations, with US and UK English spelling.
-pub const LICENSE_FILES_TO_CHECK: &[&str] = &[
-    "LICENSE",
-    "LICENCE",
-    "LICENSE.txt",
-    "LICENCE.txt",
-    "LICENSE.md",
-    "LICENCE.md",
-];
+/// Matches the most common license locations, with US and UK English spelling.
+static LICENSE_FILE_NAME_REGEX: LazyLock<regex::bytes::Regex> = LazyLock::new(|| {
+    regex::bytes::RegexBuilder::new(
+        "^ \
+        (?: license | licence) \
+        (?: [\\-._] (?: apache | isc | mit | upl))? \
+        (?: \\.txt | \\.md)? \
+        $",
+    )
+    .ignore_whitespace(true)
+    .case_insensitive(true)
+    .build()
+    .unwrap()
+});
 
-pub fn is_license_eligible_for_data_collection(license: &str) -> bool {
-    // TODO: Include more licenses later (namely, Apache)
-    for pattern in [MIT_LICENSE_REGEX, ISC_LICENSE_REGEX, UPL_LICENSE_REGEX] {
-        let regex = Regex::new(pattern.trim()).unwrap();
-        if regex.is_match(license.trim()) {
-            return true;
-        }
-    }
-    false
+fn is_license_eligible_for_data_collection(license: &str) -> bool {
+    static LICENSE_REGEXES: LazyLock<Vec<Regex>> = LazyLock::new(|| {
+        [
+            include_str!("license_detection/apache.regex"),
+            include_str!("license_detection/isc.regex"),
+            include_str!("license_detection/mit.regex"),
+            include_str!("license_detection/upl.regex"),
+        ]
+        .into_iter()
+        .map(|pattern| Regex::new(&canonicalize_license_text(pattern)).unwrap())
+        .collect()
+    });
+
+    let license = canonicalize_license_text(license);
+    LICENSE_REGEXES.iter().any(|regex| regex.is_match(&license))
 }
 
-const MIT_LICENSE_REGEX: &str = r#"
-^.*MIT License.*
+/// Canonicalizes the whitespace of license text and license regexes.
+fn canonicalize_license_text(license: &str) -> String {
+    static PARAGRAPH_SEPARATOR_REGEX: LazyLock<Regex> =
+        LazyLock::new(|| Regex::new(r"\s*\n\s*\n\s*").unwrap());
 
-Copyright.*?
+    PARAGRAPH_SEPARATOR_REGEX
+        .split(license)
+        .filter(|paragraph| !paragraph.trim().is_empty())
+        .map(|paragraph| {
+            paragraph
+                .trim()
+                .split_whitespace()
+                .collect::<Vec<_>>()
+                .join(" ")
+        })
+        .collect::<Vec<_>>()
+        .join("\n\n")
+}
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files \(the "Software"\), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+pub enum LicenseDetectionWatcher {
+    Local {
+        is_open_source_rx: watch::Receiver<bool>,
+        _is_open_source_task: Task<()>,
+        _worktree_subscription: Subscription,
+    },
+    SingleFile,
+    Remote,
+}
 
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software\.
+impl LicenseDetectionWatcher {
+    pub fn new(worktree: &Entity<Worktree>, cx: &mut App) -> Self {
+        let worktree_ref = worktree.read(cx);
+        if worktree_ref.is_single_file() {
+            return Self::SingleFile;
+        }
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT\. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE\.$
-"#;
+        let (files_to_check_tx, mut files_to_check_rx) = futures::channel::mpsc::unbounded();
 
-const ISC_LICENSE_REGEX: &str = r#"
-^ISC License
+        let Worktree::Local(local_worktree) = worktree_ref else {
+            return Self::Remote;
+        };
+        let fs = local_worktree.fs().clone();
+        let worktree_abs_path = local_worktree.abs_path().clone();
 
-Copyright.*?
+        let options = ChildEntriesOptions {
+            include_files: true,
+            include_dirs: false,
+            include_ignored: true,
+        };
+        for top_file in local_worktree.child_entries_with_options(Path::new(""), options) {
+            let path_bytes = top_file.path.as_os_str().as_encoded_bytes();
+            if top_file.is_created() && LICENSE_FILE_NAME_REGEX.is_match(path_bytes) {
+                let rel_path = top_file.path.clone();
+                files_to_check_tx.unbounded_send(rel_path).ok();
+            }
+        }
 
-Permission to use, copy, modify, and/or distribute this software for any
-purpose with or without fee is hereby granted, provided that the above
-copyright notice and this permission notice appear in all copies\.
+        let _worktree_subscription =
+            cx.subscribe(worktree, move |_worktree, event, _cx| match event {
+                worktree::Event::UpdatedEntries(updated_entries) => {
+                    for updated_entry in updated_entries.iter() {
+                        let rel_path = &updated_entry.0;
+                        let path_bytes = rel_path.as_os_str().as_encoded_bytes();
+                        if LICENSE_FILE_NAME_REGEX.is_match(path_bytes) {
+                            files_to_check_tx.unbounded_send(rel_path.clone()).ok();
+                        }
+                    }
+                }
+                worktree::Event::DeletedEntry(_) | worktree::Event::UpdatedGitRepositories(_) => {}
+            });
 
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS\. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE\.$
-"#;
+        let (mut is_open_source_tx, is_open_source_rx) = watch::channel_with::<bool>(false);
 
-const UPL_LICENSE_REGEX: &str = r#"
-Copyright.*?
+        let _is_open_source_task = cx.background_spawn(async move {
+            let mut eligible_licenses = BTreeSet::new();
+            while let Some(rel_path) = files_to_check_rx.next().await {
+                let abs_path = worktree_abs_path.join(&rel_path);
+                let was_open_source = !eligible_licenses.is_empty();
+                if Self::is_path_eligible(&fs, abs_path).await.unwrap_or(false) {
+                    eligible_licenses.insert(rel_path);
+                } else {
+                    eligible_licenses.remove(&rel_path);
+                }
+                let is_open_source = !eligible_licenses.is_empty();
+                if is_open_source != was_open_source {
+                    *is_open_source_tx.borrow_mut() = is_open_source;
+                }
+            }
+        });
 
-The Universal Permissive License.*?
+        Self::Local {
+            is_open_source_rx,
+            _is_open_source_task,
+            _worktree_subscription,
+        }
+    }
 
-Subject to the condition set forth below, permission is hereby granted to any person
-obtaining a copy of this software, associated documentation and/or data \(collectively
-the "Software"\), free of charge and under any and all copyright rights in the
-Software, and any and all patent rights owned or freely licensable by each licensor
-hereunder covering either \(i\) the unmodified Software as contributed to or provided
-by such licensor, or \(ii\) the Larger Works \(as defined below\), to deal in both
+    async fn is_path_eligible(fs: &Arc<dyn Fs>, abs_path: PathBuf) -> Option<bool> {
+        log::debug!("checking if `{abs_path:?}` is an open source license");
+        // Resolve symlinks so that the file size from metadata is correct.
+        let Some(abs_path) = fs.canonicalize(&abs_path).await.ok() else {
+            log::debug!(
+                "`{abs_path:?}` license file probably deleted (error canonicalizing the path)"
+            );
+            return None;
+        };
+        let metadata = fs.metadata(&abs_path).await.log_err()??;
+        // If the license file is >32kb it's unlikely to legitimately match any eligible license.
+        if metadata.len > 32768 {
+            return None;
+        }
+        let text = fs.load(&abs_path).await.log_err()?;
+        let is_eligible = is_license_eligible_for_data_collection(&text);
+        if is_eligible {
+            log::debug!(
+                "`{abs_path:?}` matches a license that is eligible for data collection (if enabled)"
+            );
+        } else {
+            log::debug!(
+                "`{abs_path:?}` does not match a license that is eligible for data collection"
+            );
+        }
+        Some(is_eligible)
+    }
 
-\(a\) the Software, and
-
-\(b\) any piece of software and/or hardware listed in the lrgrwrks\.txt file if one is
-    included with the Software \(each a "Larger Work" to which the Software is
-    contributed by such licensors\),
-
-without restriction, including without limitation the rights to copy, create
-derivative works of, display, perform, and distribute the Software and make, use,
-sell, offer for sale, import, export, have made, and have sold the Software and the
-Larger Work\(s\), and to sublicense the foregoing rights on either these or other
-terms\.
-
-This license is subject to the following condition:
-
-The above copyright notice and either this complete permission notice or at a minimum
-a reference to the UPL must be included in all copies or substantial portions of the
-Software\.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
-INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
-PARTICULAR PURPOSE AND NONINFRINGEMENT\. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
-CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
-OR THE USE OR OTHER DEALINGS IN THE SOFTWARE\.$
-"#;
+    /// Answers false until we find out it's open source
+    pub fn is_project_open_source(&self) -> bool {
+        match self {
+            Self::Local {
+                is_open_source_rx, ..
+            } => *is_open_source_rx.borrow(),
+            Self::SingleFile | Self::Remote => false,
+        }
+    }
+}
 
 #[cfg(test)]
 mod tests {
-    use unindent::unindent;
 
-    use crate::is_license_eligible_for_data_collection;
+    use fs::FakeFs;
+    use gpui::TestAppContext;
+    use serde_json::json;
+    use settings::{Settings as _, SettingsStore};
+    use unindent::unindent;
+    use worktree::WorktreeSettings;
+
+    use super::*;
+
+    const MIT_LICENSE: &str = include_str!("license_detection/mit-text");
+    const APACHE_LICENSE: &str = include_str!("license_detection/apache-text");
 
     #[test]
     fn test_mit_positive_detection() {
-        let example_license = unindent(
-            r#"
-                MIT License
-
-                Copyright (c) 2024 John Doe
-
-                Permission is hereby granted, free of charge, to any person obtaining a copy
-                of this software and associated documentation files (the "Software"), to deal
-                in the Software without restriction, including without limitation the rights
-                to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-                copies of the Software, and to permit persons to whom the Software is
-                furnished to do so, subject to the following conditions:
-
-                The above copyright notice and this permission notice shall be included in all
-                copies or substantial portions of the Software.
-
-                THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-                IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-                FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-                AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-                LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-                OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-                SOFTWARE.
-            "#
-            .trim(),
-        );
-
-        assert!(is_license_eligible_for_data_collection(&example_license));
-
-        let example_license = unindent(
-            r#"
-                The MIT License (MIT)
-
-                Copyright (c) 2019 John Doe
-
-                Permission is hereby granted, free of charge, to any person obtaining a copy
-                of this software and associated documentation files (the "Software"), to deal
-                in the Software without restriction, including without limitation the rights
-                to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-                copies of the Software, and to permit persons to whom the Software is
-                furnished to do so, subject to the following conditions:
-
-                The above copyright notice and this permission notice shall be included in all
-                copies or substantial portions of the Software.
-
-                THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-                IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-                FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-                AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-                LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-                OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-                SOFTWARE.
-            "#
-            .trim(),
-        );
-
-        assert!(is_license_eligible_for_data_collection(&example_license));
+        assert!(is_license_eligible_for_data_collection(MIT_LICENSE));
     }
 
     #[test]
     fn test_mit_negative_detection() {
-        let example_license = unindent(
-            r#"
-                MIT License
+        let example_license = format!(
+            r#"{MIT_LICENSE}
 
-                Copyright (c) 2024 John Doe
-
-                Permission is hereby granted, free of charge, to any person obtaining a copy
-                of this software and associated documentation files (the "Software"), to deal
-                in the Software without restriction, including without limitation the rights
-                to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-                copies of the Software, and to permit persons to whom the Software is
-                furnished to do so, subject to the following conditions:
-
-                The above copyright notice and this permission notice shall be included in all
-                copies or substantial portions of the Software.
-
-                THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-                IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-                FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-                AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-                LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-                OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-                SOFTWARE.
-
-                This project is dual licensed under the MIT License and the Apache License, Version 2.0.
-            "#
-            .trim(),
+            This project is dual licensed under the MIT License and the Apache License, Version 2.0."#
         );
-
         assert!(!is_license_eligible_for_data_collection(&example_license));
     }
 
@@ -351,4 +360,307 @@ mod tests {
 
         assert!(!is_license_eligible_for_data_collection(&example_license));
     }
+
+    #[test]
+    fn test_apache_positive_detection() {
+        assert!(is_license_eligible_for_data_collection(APACHE_LICENSE));
+
+        let license_with_appendix = format!(
+            r#"{APACHE_LICENSE}
+
+            END OF TERMS AND CONDITIONS
+
+            APPENDIX: How to apply the Apache License to your work.
+
+               To apply the Apache License to your work, attach the following
+               boilerplate notice, with the fields enclosed by brackets "[]"
+               replaced with your own identifying information. (Don't include
+               the brackets!)  The text should be enclosed in the appropriate
+               comment syntax for the file format. We also recommend that a
+               file or class name and description of purpose be included on the
+               same "printed page" as the copyright notice for easier
+               identification within third-party archives.
+
+            Copyright [yyyy] [name of copyright owner]
+
+            Licensed under the Apache License, Version 2.0 (the "License");
+            you may not use this file except in compliance with the License.
+            You may obtain a copy of the License at
+
+                http://www.apache.org/licenses/LICENSE-2.0
+
+            Unless required by applicable law or agreed to in writing, software
+            distributed under the License is distributed on an "AS IS" BASIS,
+            WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+            See the License for the specific language governing permissions and
+            limitations under the License."#
+        );
+        assert!(is_license_eligible_for_data_collection(
+            &license_with_appendix
+        ));
+
+        // Sometimes people fill in the appendix with copyright info.
+        let license_with_copyright = license_with_appendix.replace(
+            "Copyright [yyyy] [name of copyright owner]",
+            "Copyright 2025 John Doe",
+        );
+        assert!(license_with_copyright != license_with_appendix);
+        assert!(is_license_eligible_for_data_collection(
+            &license_with_copyright
+        ));
+    }
+
+    #[test]
+    fn test_apache_negative_detection() {
+        assert!(!is_license_eligible_for_data_collection(&format!(
+            "{APACHE_LICENSE}\n\nThe terms in this license are void if P=NP."
+        )));
+    }
+
+    #[test]
+    fn test_license_file_name_regex() {
+        // Test basic license file names
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENCE"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"license"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"licence"));
+
+        // Test with extensions
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE.txt"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE.md"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENCE.txt"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENCE.md"));
+
+        // Test with specific license types
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-APACHE"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-MIT"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE.MIT"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE_MIT"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-ISC"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-UPL"));
+
+        // Test combinations
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-MIT.txt"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENCE.ISC.md"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"license_upl"));
+
+        // Test case insensitive
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"License"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"license-mit.TXT"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENCE_isc.MD"));
+
+        // Test edge cases that should match
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"license.mit"));
+        assert!(LICENSE_FILE_NAME_REGEX.is_match(b"licence-upl.txt"));
+
+        // Test non-matching patterns
+        assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"COPYING"));
+        assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE.html"));
+        assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"MYLICENSE"));
+        assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"src/LICENSE"));
+        assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE.old"));
+        assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-GPL"));
+        assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"LICENSEABC"));
+        assert!(!LICENSE_FILE_NAME_REGEX.is_match(b""));
+    }
+
+    #[test]
+    fn test_canonicalize_license_text() {
+        // Test basic whitespace normalization
+        let input = "Line 1\n   Line 2   \n\n\n  Line 3  ";
+        let expected = "Line 1 Line 2\n\nLine 3";
+        assert_eq!(canonicalize_license_text(input), expected);
+
+        // Test paragraph separation
+        let input = "Paragraph 1\nwith multiple lines\n\n\n\nParagraph 2\nwith more lines";
+        let expected = "Paragraph 1 with multiple lines\n\nParagraph 2 with more lines";
+        assert_eq!(canonicalize_license_text(input), expected);
+
+        // Test empty paragraphs are filtered out
+        let input = "\n\n\nParagraph 1\n\n\n   \n\n\nParagraph 2\n\n\n";
+        let expected = "Paragraph 1\n\nParagraph 2";
+        assert_eq!(canonicalize_license_text(input), expected);
+
+        // Test single line
+        let input = "   Single line with spaces   ";
+        let expected = "Single line with spaces";
+        assert_eq!(canonicalize_license_text(input), expected);
+
+        // Test multiple consecutive spaces within lines
+        let input = "Word1    Word2\n\nWord3     Word4";
+        let expected = "Word1 Word2\n\nWord3 Word4";
+        assert_eq!(canonicalize_license_text(input), expected);
+
+        // Test tabs and mixed whitespace
+        let input = "Word1\t\tWord2\n\n   Word3\r\n\r\n\r\nWord4   ";
+        let expected = "Word1 Word2\n\nWord3\n\nWord4";
+        assert_eq!(canonicalize_license_text(input), expected);
+    }
+
+    #[test]
+    fn test_license_detection_canonicalizes_whitespace() {
+        let mit_with_weird_spacing = unindent(
+            r#"
+                MIT License
+
+
+                Copyright (c) 2024 John Doe
+
+
+                Permission is hereby granted, free of charge, to any person obtaining a copy
+                of this software   and   associated   documentation files (the "Software"), to deal
+                in the Software without restriction, including without limitation the rights
+                to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+                copies of the Software, and to permit persons to whom the Software is
+                furnished to do so, subject to the following conditions:
+
+
+
+                The above copyright notice and this permission notice shall be included in all
+                copies or substantial portions of the Software.
+
+
+
+                THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+                IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+                FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+                AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+                LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+                OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+                SOFTWARE.
+            "#
+            .trim(),
+        );
+
+        assert!(is_license_eligible_for_data_collection(
+            &mit_with_weird_spacing
+        ));
+    }
+
+    fn init_test(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            WorktreeSettings::register(cx);
+        });
+    }
+
+    #[gpui::test]
+    async fn test_watcher_single_file(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.background_executor.clone());
+        fs.insert_tree("/root", json!({ "main.rs": "fn main() {}" }))
+            .await;
+
+        let worktree = Worktree::local(
+            Path::new("/root/main.rs"),
+            true,
+            fs.clone(),
+            Default::default(),
+            &mut cx.to_async(),
+        )
+        .await
+        .unwrap();
+
+        let watcher = cx.update(|cx| LicenseDetectionWatcher::new(&worktree, cx));
+        assert!(matches!(watcher, LicenseDetectionWatcher::SingleFile));
+        assert!(!watcher.is_project_open_source());
+    }
+
+    #[gpui::test]
+    async fn test_watcher_updates_on_changes(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.background_executor.clone());
+        fs.insert_tree("/root", json!({ "main.rs": "fn main() {}" }))
+            .await;
+
+        let worktree = Worktree::local(
+            Path::new("/root"),
+            true,
+            fs.clone(),
+            Default::default(),
+            &mut cx.to_async(),
+        )
+        .await
+        .unwrap();
+
+        let watcher = cx.update(|cx| LicenseDetectionWatcher::new(&worktree, cx));
+        assert!(matches!(watcher, LicenseDetectionWatcher::Local { .. }));
+        assert!(!watcher.is_project_open_source());
+
+        fs.write(Path::new("/root/LICENSE-MIT"), MIT_LICENSE.as_bytes())
+            .await
+            .unwrap();
+
+        cx.background_executor.run_until_parked();
+        assert!(watcher.is_project_open_source());
+
+        fs.write(Path::new("/root/LICENSE-APACHE"), APACHE_LICENSE.as_bytes())
+            .await
+            .unwrap();
+
+        cx.background_executor.run_until_parked();
+        assert!(watcher.is_project_open_source());
+
+        fs.write(Path::new("/root/LICENSE-MIT"), "Nevermind".as_bytes())
+            .await
+            .unwrap();
+
+        // Still considered open source as LICENSE-APACHE is present
+        cx.background_executor.run_until_parked();
+        assert!(watcher.is_project_open_source());
+
+        fs.write(
+            Path::new("/root/LICENSE-APACHE"),
+            "Also nevermind".as_bytes(),
+        )
+        .await
+        .unwrap();
+
+        cx.background_executor.run_until_parked();
+        assert!(!watcher.is_project_open_source());
+    }
+
+    #[gpui::test]
+    async fn test_watcher_initially_opensource_and_then_deleted(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.background_executor.clone());
+        fs.insert_tree(
+            "/root",
+            json!({ "main.rs": "fn main() {}", "LICENSE-MIT": MIT_LICENSE }),
+        )
+        .await;
+
+        let worktree = Worktree::local(
+            Path::new("/root"),
+            true,
+            fs.clone(),
+            Default::default(),
+            &mut cx.to_async(),
+        )
+        .await
+        .unwrap();
+
+        let watcher = cx.update(|cx| LicenseDetectionWatcher::new(&worktree, cx));
+        assert!(matches!(watcher, LicenseDetectionWatcher::Local { .. }));
+
+        cx.background_executor.run_until_parked();
+        assert!(watcher.is_project_open_source());
+
+        fs.remove_file(
+            Path::new("/root/LICENSE-MIT"),
+            fs::RemoveOptions {
+                recursive: false,
+                ignore_if_not_exists: false,
+            },
+        )
+        .await
+        .unwrap();
+
+        cx.background_executor.run_until_parked();
+        assert!(!watcher.is_project_open_source());
+    }
 }
diff --git a/crates/zeta/src/license_detection/apache-text b/crates/zeta/src/license_detection/apache-text
new file mode 100644
index 0000000000..dd5b3a58aa
--- /dev/null
+++ b/crates/zeta/src/license_detection/apache-text
@@ -0,0 +1,174 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
diff --git a/crates/zeta/src/license_detection/apache.regex b/crates/zeta/src/license_detection/apache.regex
new file mode 100644
index 0000000000..e200e063c9
--- /dev/null
+++ b/crates/zeta/src/license_detection/apache.regex
@@ -0,0 +1,201 @@
+                                 ^Apache License
+                           Version 2\.0, January 2004
+                        http://www\.apache\.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1\. Definitions\.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document\.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License\.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity\. For the purposes of this definition,
+      "control" means \(i\) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or \(ii\) ownership of fifty percent \(50%\) or more of the
+      outstanding shares, or \(iii\) beneficial ownership of such entity\.
+
+      "You" \(or "Your"\) shall mean an individual or Legal Entity
+      exercising permissions granted by this License\.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files\.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types\.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      \(an example is provided in the Appendix below\)\.
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on \(or derived from\) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship\. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link \(or bind by name\) to the interfaces of,
+      the Work and Derivative Works thereof\.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner\. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution\."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work\.
+
+   2\. Grant of Copyright License\. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non\-exclusive, no\-charge, royalty\-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form\.
+
+   3\. Grant of Patent License\. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non\-exclusive, no\-charge, royalty\-free, irrevocable
+      \(except as stated in this section\) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution\(s\) alone or by combination of their Contribution\(s\)
+      with the Work to which such Contribution\(s\) was submitted\. If You
+      institute patent litigation against any entity \(including a
+      cross\-claim or counterclaim in a lawsuit\) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed\.
+
+   4\. Redistribution\. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      \(a\) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      \(b\) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      \(c\) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      \(d\) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third\-party notices normally appear\. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License\. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License\.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License\.
+
+   5\. Submission of Contributions\. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions\.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
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+
+   6\. Trademarks\. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file\.
+
+   7\. Disclaimer of Warranty\. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work \(and each
+      Contributor provides its Contributions\) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+      PARTICULAR PURPOSE\. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License\.
+
+   8\. Limitation of Liability\. In no event and under no legal theory,
+      whether in tort \(including negligence\), contract, or otherwise,
+      unless required by applicable law \(such as deliberate and grossly
+      negligent acts\) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work \(including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses\), even if such Contributor
+      has been advised of the possibility of such damages\.
+
+   9\. Accepting Warranty or Additional Liability\. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License\. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability\.(:?
+
+   END OF TERMS AND CONDITIONS)?(:?
+
+   APPENDIX: How to apply the Apache License to your work\.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "\[\]"
+      replaced with your own identifying information\. \(Don't include
+      the brackets!\)  The text should be enclosed in the appropriate
+      comment syntax for the file format\. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third\-party archives\.)?(:?
+
+   Copyright .*)?(:?
+
+   Licensed under the Apache License, Version 2\.0 \(the "License"\);
+   you may not use this file except in compliance with the License\.
+   You may obtain a copy of the License at
+
+       http://www\.apache\.org/licenses/LICENSE\-2\.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied\.
+   See the License for the specific language governing permissions and
+   limitations under the License\.)?$
diff --git a/crates/zeta/src/license_detection/isc.regex b/crates/zeta/src/license_detection/isc.regex
new file mode 100644
index 0000000000..63c6126bce
--- /dev/null
+++ b/crates/zeta/src/license_detection/isc.regex
@@ -0,0 +1,15 @@
+^.*ISC License.*
+
+Copyright.*
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies\.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS\. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE\.$
diff --git a/crates/zeta/src/license_detection/mit-text b/crates/zeta/src/license_detection/mit-text
new file mode 100644
index 0000000000..2b8f73ab0d
--- /dev/null
+++ b/crates/zeta/src/license_detection/mit-text
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 John Doe
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/crates/zeta/src/license_detection/mit.regex b/crates/zeta/src/license_detection/mit.regex
new file mode 100644
index 0000000000..deda8f0352
--- /dev/null
+++ b/crates/zeta/src/license_detection/mit.regex
@@ -0,0 +1,21 @@
+^.*MIT License.*
+
+Copyright.*
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files \(the "Software"\), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software\.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT\. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE\.$
diff --git a/crates/zeta/src/license_detection/upl.regex b/crates/zeta/src/license_detection/upl.regex
new file mode 100644
index 0000000000..34ba2a64c6
--- /dev/null
+++ b/crates/zeta/src/license_detection/upl.regex
@@ -0,0 +1,35 @@
+^Copyright.*
+
+The Universal Permissive License.*
+
+Subject to the condition set forth below, permission is hereby granted to any person
+obtaining a copy of this software, associated documentation and/or data \(collectively
+the "Software"\), free of charge and under any and all copyright rights in the
+Software, and any and all patent rights owned or freely licensable by each licensor
+hereunder covering either \(i\) the unmodified Software as contributed to or provided
+by such licensor, or \(ii\) the Larger Works \(as defined below\), to deal in both
+
+\(a\) the Software, and
+
+\(b\) any piece of software and/or hardware listed in the lrgrwrks\.txt file if one is
+    included with the Software \(each a "Larger Work" to which the Software is
+    contributed by such licensors\),
+
+without restriction, including without limitation the rights to copy, create
+derivative works of, display, perform, and distribute the Software and make, use,
+sell, offer for sale, import, export, have made, and have sold the Software and the
+Larger Work\(s\), and to sublicense the foregoing rights on either these or other
+terms\.
+
+This license is subject to the following condition:
+
+The above copyright notice and either this complete permission notice or at a minimum
+a reference to the UPL must be included in all copies or substantial portions of the
+Software\.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT\. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
+OR THE USE OR OTHER DEALINGS IN THE SOFTWARE\.$
diff --git a/crates/zeta/src/onboarding_modal.rs b/crates/zeta/src/onboarding_modal.rs
index 1d59f36b05..3a58c8c7b8 100644
--- a/crates/zeta/src/onboarding_modal.rs
+++ b/crates/zeta/src/onboarding_modal.rs
@@ -46,7 +46,7 @@ impl ZedPredictModal {
                         user_store.clone(),
                         client.clone(),
                         copilot::Copilot::global(cx)
-                            .map_or(false, |copilot| copilot.read(cx).status().is_configured()),
+                            .is_some_and(|copilot| copilot.read(cx).status().is_configured()),
                         Arc::new({
                             let this = weak_entity.clone();
                             move |_window, cx| {
@@ -141,7 +141,7 @@ impl Render for ZedPredictModal {
                     )),
             )
             .child(h_flex().absolute().top_2().right_2().child(
-                IconButton::new("cancel", IconName::X).on_click(cx.listener(
+                IconButton::new("cancel", IconName::Close).on_click(cx.listener(
                     |_, _: &ClickEvent, _window, cx| {
                         onboarding_event!("Cancelled", trigger = "X click");
                         cx.emit(DismissEvent);
diff --git a/crates/zeta/src/rate_completion_modal.rs b/crates/zeta/src/rate_completion_modal.rs
index 5a873fb8de..0cd814388a 100644
--- a/crates/zeta/src/rate_completion_modal.rs
+++ b/crates/zeta/src/rate_completion_modal.rs
@@ -1,4 +1,4 @@
-use crate::{CompletionDiffElement, InlineCompletion, InlineCompletionRating, Zeta};
+use crate::{CompletionDiffElement, EditPrediction, EditPredictionRating, Zeta};
 use editor::Editor;
 use gpui::{App, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, actions, prelude::*};
 use language::language_settings;
@@ -34,7 +34,7 @@ pub struct RateCompletionModal {
 }
 
 struct ActiveCompletion {
-    completion: InlineCompletion,
+    completion: EditPrediction,
     feedback_editor: Entity<Editor>,
 }
 
@@ -157,7 +157,7 @@ impl RateCompletionModal {
             if let Some(active) = &self.active_completion {
                 zeta.rate_completion(
                     &active.completion,
-                    InlineCompletionRating::Positive,
+                    EditPredictionRating::Positive,
                     active.feedback_editor.read(cx).text(cx),
                     cx,
                 );
@@ -189,7 +189,7 @@ impl RateCompletionModal {
             self.zeta.update(cx, |zeta, cx| {
                 zeta.rate_completion(
                     &active.completion,
-                    InlineCompletionRating::Negative,
+                    EditPredictionRating::Negative,
                     active.feedback_editor.read(cx).text(cx),
                     cx,
                 );
@@ -250,7 +250,7 @@ impl RateCompletionModal {
 
     pub fn select_completion(
         &mut self,
-        completion: Option<InlineCompletion>,
+        completion: Option<EditPrediction>,
         focus: bool,
         window: &mut Window,
         cx: &mut Context<Self>,
@@ -267,13 +267,13 @@ impl RateCompletionModal {
                 .unwrap_or(self.selected_index);
             cx.notify();
 
-            if let Some(prev_completion) = self.active_completion.as_ref() {
-                if completion.id == prev_completion.completion.id {
-                    if focus {
-                        window.focus(&prev_completion.feedback_editor.focus_handle(cx));
-                    }
-                    return;
+            if let Some(prev_completion) = self.active_completion.as_ref()
+                && completion.id == prev_completion.completion.id
+            {
+                if focus {
+                    window.focus(&prev_completion.feedback_editor.focus_handle(cx));
                 }
+                return;
             }
         }
 
@@ -607,7 +607,7 @@ impl Render for RateCompletionModal {
                                     .children(self.zeta.read(cx).shown_completions().cloned().enumerate().map(
                                         |(index, completion)| {
                                             let selected =
-                                                self.active_completion.as_ref().map_or(false, |selected| {
+                                                self.active_completion.as_ref().is_some_and(|selected| {
                                                     selected.completion.id == completion.id
                                                 });
                                             let rated =
diff --git a/crates/zeta/src/zeta.rs b/crates/zeta/src/zeta.rs
index d5c6be278b..7b14d12796 100644
--- a/crates/zeta/src/zeta.rs
+++ b/crates/zeta/src/zeta.rs
@@ -8,10 +8,9 @@ mod rate_completion_modal;
 
 pub(crate) use completion_diff_element::*;
 use db::kvp::{Dismissable, KEY_VALUE_STORE};
+use edit_prediction::DataCollectionState;
 pub use init::*;
-use inline_completion::DataCollectionState;
-use license_detection::LICENSE_FILES_TO_CHECK;
-pub use license_detection::is_license_eligible_for_data_collection;
+use license_detection::LicenseDetectionWatcher;
 pub use rate_completion_modal::*;
 
 use anyhow::{Context as _, Result, anyhow};
@@ -19,7 +18,7 @@ use arrayvec::ArrayVec;
 use client::{Client, EditPredictionUsage, UserStore};
 use cloud_llm_client::{
     AcceptEditPredictionBody, EXPIRED_LLM_TOKEN_HEADER_NAME, MINIMUM_REQUIRED_VERSION_HEADER_NAME,
-    PredictEditsBody, PredictEditsResponse, ZED_VERSION_HEADER_NAME,
+    PredictEditsBody, PredictEditsGitInfo, PredictEditsResponse, ZED_VERSION_HEADER_NAME,
 };
 use collections::{HashMap, HashSet, VecDeque};
 use futures::AsyncReadExt;
@@ -33,13 +32,11 @@ use language::{
     Anchor, Buffer, BufferSnapshot, EditPreview, OffsetRangeExt, ToOffset, ToPoint, text_diff,
 };
 use language_model::{LlmApiToken, RefreshLlmTokenListener};
-use postage::watch;
-use project::Project;
+use project::{Project, ProjectPath};
 use release_channel::AppVersion;
 use settings::WorktreeId;
 use std::str::FromStr;
 use std::{
-    borrow::Cow,
     cmp,
     fmt::Write,
     future::Future,
@@ -50,7 +47,7 @@ use std::{
     sync::Arc,
     time::{Duration, Instant},
 };
-use telemetry_events::InlineCompletionRating;
+use telemetry_events::EditPredictionRating;
 use thiserror::Error;
 use util::ResultExt;
 use uuid::Uuid;
@@ -58,16 +55,17 @@ use workspace::Workspace;
 use workspace::notifications::{ErrorMessagePrompt, NotificationId};
 use worktree::Worktree;
 
-const CURSOR_MARKER: &'static str = "<|user_cursor_is_here|>";
-const START_OF_FILE_MARKER: &'static str = "<|start_of_file|>";
-const EDITABLE_REGION_START_MARKER: &'static str = "<|editable_region_start|>";
-const EDITABLE_REGION_END_MARKER: &'static str = "<|editable_region_end|>";
+const CURSOR_MARKER: &str = "<|user_cursor_is_here|>";
+const START_OF_FILE_MARKER: &str = "<|start_of_file|>";
+const EDITABLE_REGION_START_MARKER: &str = "<|editable_region_start|>";
+const EDITABLE_REGION_END_MARKER: &str = "<|editable_region_end|>";
 const BUFFER_CHANGE_GROUPING_INTERVAL: Duration = Duration::from_secs(1);
 const ZED_PREDICT_DATA_COLLECTION_CHOICE: &str = "zed_predict_data_collection_choice";
 
 const MAX_CONTEXT_TOKENS: usize = 150;
 const MAX_REWRITE_TOKENS: usize = 350;
 const MAX_EVENT_TOKENS: usize = 500;
+const MAX_DIAGNOSTIC_GROUPS: usize = 10;
 
 /// Maximum number of events to track.
 const MAX_EVENT_COUNT: usize = 16;
@@ -81,15 +79,15 @@ actions!(
 );
 
 #[derive(Copy, Clone, Default, Debug, PartialEq, Eq, Hash)]
-pub struct InlineCompletionId(Uuid);
+pub struct EditPredictionId(Uuid);
 
-impl From<InlineCompletionId> for gpui::ElementId {
-    fn from(value: InlineCompletionId) -> Self {
+impl From<EditPredictionId> for gpui::ElementId {
+    fn from(value: EditPredictionId) -> Self {
         gpui::ElementId::Uuid(value.0)
     }
 }
 
-impl std::fmt::Display for InlineCompletionId {
+impl std::fmt::Display for EditPredictionId {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         write!(f, "{}", self.0)
     }
@@ -108,7 +106,7 @@ impl Dismissable for ZedPredictUpsell {
         if KEY_VALUE_STORE
             .read_kvp(ZED_PREDICT_DATA_COLLECTION_CHOICE)
             .log_err()
-            .map_or(false, |s| s.is_some())
+            .is_some_and(|s| s.is_some())
         {
             return true;
         }
@@ -116,15 +114,12 @@ impl Dismissable for ZedPredictUpsell {
         KEY_VALUE_STORE
             .read_kvp(Self::KEY)
             .log_err()
-            .map_or(false, |s| s.is_some())
+            .is_some_and(|s| s.is_some())
     }
 }
 
-pub fn should_show_upsell_modal(user_store: &Entity<UserStore>, cx: &App) -> bool {
-    match user_store.read(cx).current_user_has_accepted_terms() {
-        Some(true) => !ZedPredictUpsell::dismissed(),
-        Some(false) | None => true,
-    }
+pub fn should_show_upsell_modal() -> bool {
+    !ZedPredictUpsell::dismissed()
 }
 
 #[derive(Clone)]
@@ -133,8 +128,8 @@ struct ZetaGlobal(Entity<Zeta>);
 impl Global for ZetaGlobal {}
 
 #[derive(Clone)]
-pub struct InlineCompletion {
-    id: InlineCompletionId,
+pub struct EditPrediction {
+    id: EditPredictionId,
     path: Arc<Path>,
     excerpt_range: Range<usize>,
     cursor_offset: usize,
@@ -145,14 +140,14 @@ pub struct InlineCompletion {
     input_events: Arc<str>,
     input_excerpt: Arc<str>,
     output_excerpt: Arc<str>,
-    request_sent_at: Instant,
+    buffer_snapshotted_at: Instant,
     response_received_at: Instant,
 }
 
-impl InlineCompletion {
+impl EditPrediction {
     fn latency(&self) -> Duration {
         self.response_received_at
-            .duration_since(self.request_sent_at)
+            .duration_since(self.buffer_snapshotted_at)
     }
 
     fn interpolate(&self, new_snapshot: &BufferSnapshot) -> Option<Vec<(Range<Anchor>, String)>> {
@@ -167,7 +162,7 @@ fn interpolate(
 ) -> Option<Vec<(Range<Anchor>, String)>> {
     let mut edits = Vec::new();
 
-    let mut model_edits = current_edits.into_iter().peekable();
+    let mut model_edits = current_edits.iter().peekable();
     for user_edit in new_snapshot.edits_since::<usize>(&old_snapshot.version) {
         while let Some((model_old_range, _)) = model_edits.peek() {
             let model_old_range = model_old_range.to_offset(old_snapshot);
@@ -206,9 +201,9 @@ fn interpolate(
     if edits.is_empty() { None } else { Some(edits) }
 }
 
-impl std::fmt::Debug for InlineCompletion {
+impl std::fmt::Debug for EditPrediction {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("InlineCompletion")
+        f.debug_struct("EditPrediction")
             .field("id", &self.id)
             .field("path", &self.path)
             .field("edits", &self.edits)
@@ -221,17 +216,14 @@ pub struct Zeta {
     client: Arc<Client>,
     events: VecDeque<Event>,
     registered_buffers: HashMap<gpui::EntityId, RegisteredBuffer>,
-    shown_completions: VecDeque<InlineCompletion>,
-    rated_completions: HashSet<InlineCompletionId>,
+    shown_completions: VecDeque<EditPrediction>,
+    rated_completions: HashSet<EditPredictionId>,
     data_collection_choice: Entity<DataCollectionChoice>,
     llm_token: LlmApiToken,
     _llm_token_subscription: Subscription,
-    /// Whether the terms of service have been accepted.
-    tos_accepted: bool,
     /// Whether an update to a newer version of Zed is required to continue using Zeta.
     update_required: bool,
     user_store: Entity<UserStore>,
-    _user_store_subscription: Subscription,
     license_detection_watchers: HashMap<WorktreeId, Rc<LicenseDetectionWatcher>>,
 }
 
@@ -255,11 +247,10 @@ impl Zeta {
 
         this.update(cx, move |this, cx| {
             if let Some(worktree) = worktree {
-                worktree.update(cx, |worktree, cx| {
-                    this.license_detection_watchers
-                        .entry(worktree.id())
-                        .or_insert_with(|| Rc::new(LicenseDetectionWatcher::new(worktree, cx)));
-                });
+                let worktree_id = worktree.read(cx).id();
+                this.license_detection_watchers
+                    .entry(worktree_id)
+                    .or_insert_with(|| Rc::new(LicenseDetectionWatcher::new(&worktree, cx)));
             }
         });
 
@@ -306,22 +297,7 @@ impl Zeta {
                     .detach_and_log_err(cx);
                 },
             ),
-            tos_accepted: user_store
-                .read(cx)
-                .current_user_has_accepted_terms()
-                .unwrap_or(false),
             update_required: false,
-            _user_store_subscription: cx.subscribe(&user_store, |this, user_store, event, cx| {
-                match event {
-                    client::user::Event::PrivateUserInfoUpdated => {
-                        this.tos_accepted = user_store
-                            .read(cx)
-                            .current_user_has_accepted_terms()
-                            .unwrap_or(false);
-                    }
-                    _ => {}
-                }
-            }),
             license_detection_watchers: HashMap::default(),
             user_store,
         }
@@ -401,111 +377,65 @@ impl Zeta {
         can_collect_data: bool,
         cx: &mut Context<Self>,
         perform_predict_edits: F,
-    ) -> Task<Result<Option<InlineCompletion>>>
+    ) -> Task<Result<Option<EditPrediction>>>
     where
         F: FnOnce(PerformPredictEditsParams) -> R + 'static,
         R: Future<Output = Result<(PredictEditsResponse, Option<EditPredictionUsage>)>>
             + Send
             + 'static,
     {
+        let buffer = buffer.clone();
+        let buffer_snapshotted_at = Instant::now();
         let snapshot = self.report_changes_for_buffer(&buffer, cx);
-        let diagnostic_groups = snapshot.diagnostic_groups(None);
-        let cursor_point = cursor.to_point(&snapshot);
-        let cursor_offset = cursor_point.to_offset(&snapshot);
-        let events = self.events.clone();
-        let path: Arc<Path> = snapshot
-            .file()
-            .map(|f| Arc::from(f.full_path(cx).as_path()))
-            .unwrap_or_else(|| Arc::from(Path::new("untitled")));
-
         let zeta = cx.entity();
+        let events = self.events.clone();
         let client = self.client.clone();
         let llm_token = self.llm_token.clone();
         let app_version = AppVersion::global(cx);
 
-        let buffer = buffer.clone();
-
-        let local_lsp_store =
-            project.and_then(|project| project.read(cx).lsp_store().read(cx).as_local());
-        let diagnostic_groups = if let Some(local_lsp_store) = local_lsp_store {
-            Some(
-                diagnostic_groups
-                    .into_iter()
-                    .filter_map(|(language_server_id, diagnostic_group)| {
-                        let language_server =
-                            local_lsp_store.running_language_server_for_id(language_server_id)?;
-
-                        Some((
-                            language_server.name(),
-                            diagnostic_group.resolve::<usize>(&snapshot),
-                        ))
-                    })
-                    .collect::<Vec<_>>(),
-            )
+        let git_info = if let (true, Some(project), Some(file)) =
+            (can_collect_data, project, snapshot.file())
+        {
+            git_info_for_file(project, &ProjectPath::from_file(file.as_ref(), cx), cx)
         } else {
             None
         };
 
+        let full_path: Arc<Path> = snapshot
+            .file()
+            .map(|f| Arc::from(f.full_path(cx).as_path()))
+            .unwrap_or_else(|| Arc::from(Path::new("untitled")));
+        let full_path_str = full_path.to_string_lossy().to_string();
+        let cursor_point = cursor.to_point(&snapshot);
+        let cursor_offset = cursor_point.to_offset(&snapshot);
+        let make_events_prompt = move || prompt_for_events(&events, MAX_EVENT_TOKENS);
+        let gather_task = gather_context(
+            project,
+            full_path_str,
+            &snapshot,
+            cursor_point,
+            make_events_prompt,
+            can_collect_data,
+            git_info,
+            cx,
+        );
+
         cx.spawn(async move |this, cx| {
-            let request_sent_at = Instant::now();
-
-            struct BackgroundValues {
-                input_events: String,
-                input_excerpt: String,
-                speculated_output: String,
-                editable_range: Range<usize>,
-                input_outline: String,
-            }
-
-            let values = cx
-                .background_spawn({
-                    let snapshot = snapshot.clone();
-                    let path = path.clone();
-                    async move {
-                        let path = path.to_string_lossy();
-                        let input_excerpt = excerpt_for_cursor_position(
-                            cursor_point,
-                            &path,
-                            &snapshot,
-                            MAX_REWRITE_TOKENS,
-                            MAX_CONTEXT_TOKENS,
-                        );
-                        let input_events = prompt_for_events(&events, MAX_EVENT_TOKENS);
-                        let input_outline = prompt_for_outline(&snapshot);
-
-                        anyhow::Ok(BackgroundValues {
-                            input_events,
-                            input_excerpt: input_excerpt.prompt,
-                            speculated_output: input_excerpt.speculated_output,
-                            editable_range: input_excerpt.editable_range.to_offset(&snapshot),
-                            input_outline,
-                        })
-                    }
-                })
-                .await?;
+            let GatherContextOutput {
+                body,
+                editable_range,
+            } = gather_task.await?;
+            let done_gathering_context_at = Instant::now();
 
             log::debug!(
                 "Events:\n{}\nExcerpt:\n{:?}",
-                values.input_events,
-                values.input_excerpt
+                body.input_events,
+                body.input_excerpt
             );
 
-            let body = PredictEditsBody {
-                input_events: values.input_events.clone(),
-                input_excerpt: values.input_excerpt.clone(),
-                speculated_output: Some(values.speculated_output),
-                outline: Some(values.input_outline.clone()),
-                can_collect_data,
-                diagnostic_groups: diagnostic_groups.and_then(|diagnostic_groups| {
-                    diagnostic_groups
-                        .into_iter()
-                        .map(|(name, diagnostic_group)| {
-                            Ok((name.to_string(), serde_json::to_value(diagnostic_group)?))
-                        })
-                        .collect::<Result<Vec<_>>>()
-                        .log_err()
-                }),
-            };
+            let input_outline = body.outline.clone().unwrap_or_default();
+            let input_events = body.input_events.clone();
+            let input_excerpt = body.input_excerpt.clone();
 
             let response = perform_predict_edits(PerformPredictEditsParams {
                 client,
@@ -548,6 +478,7 @@ impl Zeta {
                 }
             };
 
+            let received_response_at = Instant::now();
             log::debug!("completion response: {}", &response.output_excerpt);
 
             if let Some(usage) = usage {
@@ -559,20 +490,38 @@ impl Zeta {
                 .ok();
             }
 
-            Self::process_completion_response(
+            let edit_prediction = Self::process_completion_response(
                 response,
                 buffer,
                 &snapshot,
-                values.editable_range,
+                editable_range,
                 cursor_offset,
-                path,
-                values.input_outline,
-                values.input_events,
-                values.input_excerpt,
-                request_sent_at,
-                &cx,
+                full_path,
+                input_outline,
+                input_events,
+                input_excerpt,
+                buffer_snapshotted_at,
+                cx,
             )
-            .await
+            .await;
+
+            let finished_at = Instant::now();
+
+            // record latency for ~1% of requests
+            if rand::random::<u8>() <= 2 {
+                telemetry::event!(
+                    "Edit Prediction Request",
+                    context_latency = done_gathering_context_at
+                        .duration_since(buffer_snapshotted_at)
+                        .as_millis(),
+                    request_latency = received_response_at
+                        .duration_since(done_gathering_context_at)
+                        .as_millis(),
+                    process_latency = finished_at.duration_since(received_response_at).as_millis()
+                );
+            }
+
+            edit_prediction
         })
     }
 
@@ -737,7 +686,7 @@ and then another
         position: language::Anchor,
         response: PredictEditsResponse,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Option<InlineCompletion>>> {
+    ) -> Task<Result<Option<EditPrediction>>> {
         use std::future::ready;
 
         self.request_completion_impl(None, project, buffer, position, false, cx, |_params| {
@@ -752,7 +701,7 @@ and then another
         position: language::Anchor,
         can_collect_data: bool,
         cx: &mut Context<Self>,
-    ) -> Task<Result<Option<InlineCompletion>>> {
+    ) -> Task<Result<Option<EditPrediction>>> {
         let workspace = self
             .workspace
             .as_ref()
@@ -768,7 +717,7 @@ and then another
         )
     }
 
-    fn perform_predict_edits(
+    pub fn perform_predict_edits(
         params: PerformPredictEditsParams,
     ) -> impl Future<Output = Result<(PredictEditsResponse, Option<EditPredictionUsage>)>> {
         async move {
@@ -846,7 +795,7 @@ and then another
 
     fn accept_edit_prediction(
         &mut self,
-        request_id: InlineCompletionId,
+        request_id: EditPredictionId,
         cx: &mut Context<Self>,
     ) -> Task<Result<()>> {
         let client = self.client.clone();
@@ -883,12 +832,11 @@ and then another
                 .headers()
                 .get(MINIMUM_REQUIRED_VERSION_HEADER_NAME)
                 .and_then(|version| SemanticVersion::from_str(version.to_str().ok()?).ok())
+                && app_version < minimum_required_version
             {
-                if app_version < minimum_required_version {
-                    return Err(anyhow!(ZedUpdateRequiredError {
-                        minimum_version: minimum_required_version
-                    }));
-                }
+                return Err(anyhow!(ZedUpdateRequiredError {
+                    minimum_version: minimum_required_version
+                }));
             }
 
             if response.status().is_success() {
@@ -923,9 +871,9 @@ and then another
         input_outline: String,
         input_events: String,
         input_excerpt: String,
-        request_sent_at: Instant,
+        buffer_snapshotted_at: Instant,
         cx: &AsyncApp,
-    ) -> Task<Result<Option<InlineCompletion>>> {
+    ) -> Task<Result<Option<EditPrediction>>> {
         let snapshot = snapshot.clone();
         let request_id = prediction_response.request_id;
         let output_excerpt = prediction_response.output_excerpt;
@@ -957,8 +905,8 @@ and then another
 
             let edit_preview = edit_preview.await;
 
-            Ok(Some(InlineCompletion {
-                id: InlineCompletionId(request_id),
+            Ok(Some(EditPrediction {
+                id: EditPredictionId(request_id),
                 path,
                 excerpt_range: editable_range,
                 cursor_offset,
@@ -969,7 +917,7 @@ and then another
                 input_events: input_events.into(),
                 input_excerpt: input_excerpt.into(),
                 output_excerpt,
-                request_sent_at,
+                buffer_snapshotted_at,
                 response_received_at: Instant::now(),
             }))
         })
@@ -1028,7 +976,7 @@ and then another
             old_text,
             new_text,
             editable_range.start,
-            &snapshot,
+            snapshot,
         ))
     }
 
@@ -1038,7 +986,7 @@ and then another
         offset: usize,
         snapshot: &BufferSnapshot,
     ) -> Vec<(Range<Anchor>, String)> {
-        text_diff(&old_text, &new_text)
+        text_diff(&old_text, new_text)
             .into_iter()
             .map(|(mut old_range, new_text)| {
                 old_range.start += offset;
@@ -1068,11 +1016,11 @@ and then another
             .collect()
     }
 
-    pub fn is_completion_rated(&self, completion_id: InlineCompletionId) -> bool {
+    pub fn is_completion_rated(&self, completion_id: EditPredictionId) -> bool {
         self.rated_completions.contains(&completion_id)
     }
 
-    pub fn completion_shown(&mut self, completion: &InlineCompletion, cx: &mut Context<Self>) {
+    pub fn completion_shown(&mut self, completion: &EditPrediction, cx: &mut Context<Self>) {
         self.shown_completions.push_front(completion.clone());
         if self.shown_completions.len() > 50 {
             let completion = self.shown_completions.pop_back().unwrap();
@@ -1083,8 +1031,8 @@ and then another
 
     pub fn rate_completion(
         &mut self,
-        completion: &InlineCompletion,
-        rating: InlineCompletionRating,
+        completion: &EditPrediction,
+        rating: EditPredictionRating,
         feedback: String,
         cx: &mut Context<Self>,
     ) {
@@ -1102,7 +1050,7 @@ and then another
         cx.notify();
     }
 
-    pub fn shown_completions(&self) -> impl DoubleEndedIterator<Item = &InlineCompletion> {
+    pub fn shown_completions(&self) -> impl DoubleEndedIterator<Item = &EditPrediction> {
         self.shown_completions.iter()
     }
 
@@ -1153,7 +1101,7 @@ and then another
     }
 }
 
-struct PerformPredictEditsParams {
+pub struct PerformPredictEditsParams {
     pub client: Arc<Client>,
     pub llm_token: LlmApiToken,
     pub app_version: SemanticVersion,
@@ -1168,59 +1116,6 @@ pub struct ZedUpdateRequiredError {
     minimum_version: SemanticVersion,
 }
 
-struct LicenseDetectionWatcher {
-    is_open_source_rx: watch::Receiver<bool>,
-    _is_open_source_task: Task<()>,
-}
-
-impl LicenseDetectionWatcher {
-    pub fn new(worktree: &Worktree, cx: &mut Context<Worktree>) -> Self {
-        let (mut is_open_source_tx, is_open_source_rx) = watch::channel_with::<bool>(false);
-
-        // Check if worktree is a single file, if so we do not need to check for a LICENSE file
-        let task = if worktree.abs_path().is_file() {
-            Task::ready(())
-        } else {
-            let loaded_files = LICENSE_FILES_TO_CHECK
-                .iter()
-                .map(Path::new)
-                .map(|file| worktree.load_file(file, cx))
-                .collect::<ArrayVec<_, { LICENSE_FILES_TO_CHECK.len() }>>();
-
-            cx.background_spawn(async move {
-                for loaded_file in loaded_files.into_iter() {
-                    let Ok(loaded_file) = loaded_file.await else {
-                        continue;
-                    };
-
-                    let path = &loaded_file.file.path;
-                    if is_license_eligible_for_data_collection(&loaded_file.text) {
-                        log::info!("detected '{path:?}' as open source license");
-                        *is_open_source_tx.borrow_mut() = true;
-                    } else {
-                        log::info!("didn't detect '{path:?}' as open source license");
-                    }
-
-                    // stop on the first license that successfully read
-                    return;
-                }
-
-                log::debug!("didn't find a license file to check, assuming closed source");
-            })
-        };
-
-        Self {
-            is_open_source_rx,
-            _is_open_source_task: task,
-        }
-    }
-
-    /// Answers false until we find out it's open source
-    pub fn is_project_open_source(&self) -> bool {
-        *self.is_open_source_rx.borrow()
-    }
-}
-
 fn common_prefix<T1: Iterator<Item = char>, T2: Iterator<Item = char>>(a: T1, b: T2) -> usize {
     a.zip(b)
         .take_while(|(a, b)| a == b)
@@ -1228,30 +1123,107 @@ fn common_prefix<T1: Iterator<Item = char>, T2: Iterator<Item = char>>(a: T1, b:
         .sum()
 }
 
-fn prompt_for_outline(snapshot: &BufferSnapshot) -> String {
-    let mut input_outline = String::new();
-
-    writeln!(
-        input_outline,
-        "```{}",
-        snapshot
-            .file()
-            .map_or(Cow::Borrowed("untitled"), |file| file
-                .path()
-                .to_string_lossy())
-    )
-    .unwrap();
-
-    if let Some(outline) = snapshot.outline(None) {
-        for item in &outline.items {
-            let spacing = " ".repeat(item.depth);
-            writeln!(input_outline, "{}{}", spacing, item.text).unwrap();
+fn git_info_for_file(
+    project: &Entity<Project>,
+    project_path: &ProjectPath,
+    cx: &App,
+) -> Option<PredictEditsGitInfo> {
+    let git_store = project.read(cx).git_store().read(cx);
+    if let Some((repository, _repo_path)) =
+        git_store.repository_and_path_for_project_path(project_path, cx)
+    {
+        let repository = repository.read(cx);
+        let head_sha = repository
+            .head_commit
+            .as_ref()
+            .map(|head_commit| head_commit.sha.to_string());
+        let remote_origin_url = repository.remote_origin_url.clone();
+        let remote_upstream_url = repository.remote_upstream_url.clone();
+        if head_sha.is_none() && remote_origin_url.is_none() && remote_upstream_url.is_none() {
+            return None;
         }
+        Some(PredictEditsGitInfo {
+            head_sha,
+            remote_origin_url,
+            remote_upstream_url,
+        })
+    } else {
+        None
     }
+}
 
-    writeln!(input_outline, "```").unwrap();
+pub struct GatherContextOutput {
+    pub body: PredictEditsBody,
+    pub editable_range: Range<usize>,
+}
 
-    input_outline
+pub fn gather_context(
+    project: Option<&Entity<Project>>,
+    full_path_str: String,
+    snapshot: &BufferSnapshot,
+    cursor_point: language::Point,
+    make_events_prompt: impl FnOnce() -> String + Send + 'static,
+    can_collect_data: bool,
+    git_info: Option<PredictEditsGitInfo>,
+    cx: &App,
+) -> Task<Result<GatherContextOutput>> {
+    let local_lsp_store =
+        project.and_then(|project| project.read(cx).lsp_store().read(cx).as_local());
+    let diagnostic_groups: Vec<(String, serde_json::Value)> =
+        if can_collect_data && let Some(local_lsp_store) = local_lsp_store {
+            snapshot
+                .diagnostic_groups(None)
+                .into_iter()
+                .filter_map(|(language_server_id, diagnostic_group)| {
+                    let language_server =
+                        local_lsp_store.running_language_server_for_id(language_server_id)?;
+                    let diagnostic_group = diagnostic_group.resolve::<usize>(snapshot);
+                    let language_server_name = language_server.name().to_string();
+                    let serialized = serde_json::to_value(diagnostic_group).unwrap();
+                    Some((language_server_name, serialized))
+                })
+                .collect::<Vec<_>>()
+        } else {
+            Vec::new()
+        };
+
+    cx.background_spawn({
+        let snapshot = snapshot.clone();
+        async move {
+            let diagnostic_groups = if diagnostic_groups.is_empty()
+                || diagnostic_groups.len() >= MAX_DIAGNOSTIC_GROUPS
+            {
+                None
+            } else {
+                Some(diagnostic_groups)
+            };
+
+            let input_excerpt = excerpt_for_cursor_position(
+                cursor_point,
+                &full_path_str,
+                &snapshot,
+                MAX_REWRITE_TOKENS,
+                MAX_CONTEXT_TOKENS,
+            );
+            let input_events = make_events_prompt();
+            let editable_range = input_excerpt.editable_range.to_offset(&snapshot);
+
+            let body = PredictEditsBody {
+                input_events,
+                input_excerpt: input_excerpt.prompt,
+                can_collect_data,
+                diagnostic_groups,
+                git_info,
+                outline: None,
+                speculated_output: None,
+            };
+
+            Ok(GatherContextOutput {
+                body,
+                editable_range,
+            })
+        }
+    })
 }
 
 fn prompt_for_events(events: &VecDeque<Event>, mut remaining_tokens: usize) -> String {
@@ -1278,7 +1250,7 @@ struct RegisteredBuffer {
 }
 
 #[derive(Clone)]
-enum Event {
+pub enum Event {
     BufferChange {
         old_snapshot: BufferSnapshot,
         new_snapshot: BufferSnapshot,
@@ -1325,21 +1297,21 @@ impl Event {
 }
 
 #[derive(Debug, Clone)]
-struct CurrentInlineCompletion {
+struct CurrentEditPrediction {
     buffer_id: EntityId,
-    completion: InlineCompletion,
+    completion: EditPrediction,
 }
 
-impl CurrentInlineCompletion {
+impl CurrentEditPrediction {
     fn should_replace_completion(&self, old_completion: &Self, snapshot: &BufferSnapshot) -> bool {
         if self.buffer_id != old_completion.buffer_id {
             return true;
         }
 
-        let Some(old_edits) = old_completion.completion.interpolate(&snapshot) else {
+        let Some(old_edits) = old_completion.completion.interpolate(snapshot) else {
             return true;
         };
-        let Some(new_edits) = self.completion.interpolate(&snapshot) else {
+        let Some(new_edits) = self.completion.interpolate(snapshot) else {
             return false;
         };
 
@@ -1499,17 +1471,17 @@ async fn llm_token_retry(
     }
 }
 
-pub struct ZetaInlineCompletionProvider {
+pub struct ZetaEditPredictionProvider {
     zeta: Entity<Zeta>,
     pending_completions: ArrayVec<PendingCompletion, 2>,
     next_pending_completion_id: usize,
-    current_completion: Option<CurrentInlineCompletion>,
+    current_completion: Option<CurrentEditPrediction>,
     /// None if this is entirely disabled for this provider
     provider_data_collection: ProviderDataCollection,
     last_request_timestamp: Instant,
 }
 
-impl ZetaInlineCompletionProvider {
+impl ZetaEditPredictionProvider {
     pub const THROTTLE_TIMEOUT: Duration = Duration::from_millis(300);
 
     pub fn new(zeta: Entity<Zeta>, provider_data_collection: ProviderDataCollection) -> Self {
@@ -1524,7 +1496,7 @@ impl ZetaInlineCompletionProvider {
     }
 }
 
-impl inline_completion::EditPredictionProvider for ZetaInlineCompletionProvider {
+impl edit_prediction::EditPredictionProvider for ZetaEditPredictionProvider {
     fn name() -> &'static str {
         "zed-predict"
     }
@@ -1571,11 +1543,6 @@ impl inline_completion::EditPredictionProvider for ZetaInlineCompletionProvider
     ) -> bool {
         true
     }
-
-    fn needs_terms_acceptance(&self, cx: &App) -> bool {
-        !self.zeta.read(cx).tos_accepted
-    }
-
     fn is_refreshing(&self) -> bool {
         !self.pending_completions.is_empty()
     }
@@ -1588,10 +1555,6 @@ impl inline_completion::EditPredictionProvider for ZetaInlineCompletionProvider
         _debounce: bool,
         cx: &mut Context<Self>,
     ) {
-        if !self.zeta.read(cx).tos_accepted {
-            return;
-        }
-
         if self.zeta.read(cx).update_required {
             return;
         }
@@ -1600,7 +1563,7 @@ impl inline_completion::EditPredictionProvider for ZetaInlineCompletionProvider
             .zeta
             .read(cx)
             .user_store
-            .read_with(cx, |user_store, _| {
+            .read_with(cx, |user_store, _cx| {
                 user_store.account_too_young() || user_store.has_overdue_invoices()
             })
         {
@@ -1647,7 +1610,7 @@ impl inline_completion::EditPredictionProvider for ZetaInlineCompletionProvider
                 Ok(completion_request) => {
                     let completion_request = completion_request.await;
                     completion_request.map(|c| {
-                        c.map(|completion| CurrentInlineCompletion {
+                        c.map(|completion| CurrentEditPrediction {
                             buffer_id: buffer.entity_id(),
                             completion,
                         })
@@ -1682,7 +1645,7 @@ impl inline_completion::EditPredictionProvider for ZetaInlineCompletionProvider
 
                 if let Some(old_completion) = this.current_completion.as_ref() {
                     let snapshot = buffer.read(cx).snapshot();
-                    if new_completion.should_replace_completion(&old_completion, &snapshot) {
+                    if new_completion.should_replace_completion(old_completion, &snapshot) {
                         this.zeta.update(cx, |zeta, cx| {
                             zeta.completion_shown(&new_completion.completion, cx);
                         });
@@ -1720,7 +1683,7 @@ impl inline_completion::EditPredictionProvider for ZetaInlineCompletionProvider
         &mut self,
         _buffer: Entity<Buffer>,
         _cursor_position: language::Anchor,
-        _direction: inline_completion::Direction,
+        _direction: edit_prediction::Direction,
         _cx: &mut Context<Self>,
     ) {
         // Right now we don't support cycling.
@@ -1751,8 +1714,8 @@ impl inline_completion::EditPredictionProvider for ZetaInlineCompletionProvider
         buffer: &Entity<Buffer>,
         cursor_position: language::Anchor,
         cx: &mut Context<Self>,
-    ) -> Option<inline_completion::InlineCompletion> {
-        let CurrentInlineCompletion {
+    ) -> Option<edit_prediction::EditPrediction> {
+        let CurrentEditPrediction {
             buffer_id,
             completion,
             ..
@@ -1800,7 +1763,7 @@ impl inline_completion::EditPredictionProvider for ZetaInlineCompletionProvider
             }
         }
 
-        Some(inline_completion::InlineCompletion {
+        Some(edit_prediction::EditPrediction {
             id: Some(completion.id.to_string().into()),
             edits: edits[edit_start_ix..edit_end_ix].to_vec(),
             edit_preview: Some(completion.edit_preview.clone()),
@@ -1817,19 +1780,20 @@ fn tokens_for_bytes(bytes: usize) -> usize {
 
 #[cfg(test)]
 mod tests {
+    use client::UserStore;
     use client::test::FakeServer;
     use clock::FakeSystemClock;
+    use cloud_api_types::{CreateLlmTokenResponse, LlmToken};
     use gpui::TestAppContext;
     use http_client::FakeHttpClient;
     use indoc::indoc;
     use language::Point;
-    use rpc::proto;
     use settings::SettingsStore;
 
     use super::*;
 
     #[gpui::test]
-    async fn test_inline_completion_basic_interpolation(cx: &mut TestAppContext) {
+    async fn test_edit_prediction_basic_interpolation(cx: &mut TestAppContext) {
         let buffer = cx.new(|cx| Buffer::local("Lorem ipsum dolor", cx));
         let edits: Arc<[(Range<Anchor>, String)]> = cx.update(|cx| {
             to_completion_edits(
@@ -1844,19 +1808,19 @@ mod tests {
             .read(|cx| buffer.read(cx).preview_edits(edits.clone(), cx))
             .await;
 
-        let completion = InlineCompletion {
+        let completion = EditPrediction {
             edits,
             edit_preview,
             path: Path::new("").into(),
             snapshot: cx.read(|cx| buffer.read(cx).snapshot()),
-            id: InlineCompletionId(Uuid::new_v4()),
+            id: EditPredictionId(Uuid::new_v4()),
             excerpt_range: 0..0,
             cursor_offset: 0,
             input_outline: "".into(),
             input_events: "".into(),
             input_excerpt: "".into(),
             output_excerpt: "".into(),
-            request_sent_at: Instant::now(),
+            buffer_snapshotted_at: Instant::now(),
             response_received_at: Instant::now(),
         };
 
@@ -2010,7 +1974,7 @@ mod tests {
     }
 
     #[gpui::test]
-    async fn test_inline_completion_end_of_buffer(cx: &mut TestAppContext) {
+    async fn test_edit_prediction_end_of_buffer(cx: &mut TestAppContext) {
         cx.update(|cx| {
             let settings_store = SettingsStore::test(cx);
             cx.set_global(settings_store);
@@ -2027,28 +1991,45 @@ mod tests {
             <|editable_region_end|>
             ```"};
 
-        let http_client = FakeHttpClient::create(move |_| async move {
-            Ok(http_client::Response::builder()
-                .status(200)
-                .body(
-                    serde_json::to_string(&PredictEditsResponse {
-                        request_id: Uuid::parse_str("7e86480f-3536-4d2c-9334-8213e3445d45")
-                            .unwrap(),
-                        output_excerpt: completion_response.to_string(),
-                    })
-                    .unwrap()
-                    .into(),
-                )
-                .unwrap())
+        let http_client = FakeHttpClient::create(move |req| async move {
+            match (req.method(), req.uri().path()) {
+                (&Method::POST, "/client/llm_tokens") => Ok(http_client::Response::builder()
+                    .status(200)
+                    .body(
+                        serde_json::to_string(&CreateLlmTokenResponse {
+                            token: LlmToken("the-llm-token".to_string()),
+                        })
+                        .unwrap()
+                        .into(),
+                    )
+                    .unwrap()),
+                (&Method::POST, "/predict_edits/v2") => Ok(http_client::Response::builder()
+                    .status(200)
+                    .body(
+                        serde_json::to_string(&PredictEditsResponse {
+                            request_id: Uuid::parse_str("7e86480f-3536-4d2c-9334-8213e3445d45")
+                                .unwrap(),
+                            output_excerpt: completion_response.to_string(),
+                        })
+                        .unwrap()
+                        .into(),
+                    )
+                    .unwrap()),
+                _ => Ok(http_client::Response::builder()
+                    .status(404)
+                    .body("Not Found".into())
+                    .unwrap()),
+            }
         });
 
         let client = cx.update(|cx| Client::new(Arc::new(FakeSystemClock::new()), http_client, cx));
         cx.update(|cx| {
             RefreshLlmTokenListener::register(client.clone(), cx);
         });
-        let server = FakeServer::for_client(42, &client, cx).await;
+        // Construct the fake server to authenticate.
+        let _server = FakeServer::for_client(42, &client, cx).await;
         let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
-        let zeta = cx.new(|cx| Zeta::new(None, client, user_store, cx));
+        let zeta = cx.new(|cx| Zeta::new(None, client, user_store.clone(), cx));
 
         let buffer = cx.new(|cx| Buffer::local(buffer_content, cx));
         let cursor = buffer.read_with(cx, |buffer, _| buffer.anchor_before(Point::new(1, 0)));
@@ -2056,13 +2037,6 @@ mod tests {
             zeta.request_completion(None, &buffer, cursor, false, cx)
         });
 
-        server.receive::<proto::GetUsers>().await.unwrap();
-        let token_request = server.receive::<proto::GetLlmToken>().await.unwrap();
-        server.respond(
-            token_request.receipt(),
-            proto::GetLlmTokenResponse { token: "".into() },
-        );
-
         let completion = completion_task.await.unwrap().unwrap();
         buffer.update(cx, |buffer, cx| {
             buffer.edit(completion.edits.iter().cloned(), None, cx)
@@ -2079,20 +2053,36 @@ mod tests {
         cx: &mut TestAppContext,
     ) -> Vec<(Range<Point>, String)> {
         let completion_response = completion_response.to_string();
-        let http_client = FakeHttpClient::create(move |_| {
+        let http_client = FakeHttpClient::create(move |req| {
             let completion = completion_response.clone();
             async move {
-                Ok(http_client::Response::builder()
-                    .status(200)
-                    .body(
-                        serde_json::to_string(&PredictEditsResponse {
-                            request_id: Uuid::new_v4(),
-                            output_excerpt: completion,
-                        })
-                        .unwrap()
-                        .into(),
-                    )
-                    .unwrap())
+                match (req.method(), req.uri().path()) {
+                    (&Method::POST, "/client/llm_tokens") => Ok(http_client::Response::builder()
+                        .status(200)
+                        .body(
+                            serde_json::to_string(&CreateLlmTokenResponse {
+                                token: LlmToken("the-llm-token".to_string()),
+                            })
+                            .unwrap()
+                            .into(),
+                        )
+                        .unwrap()),
+                    (&Method::POST, "/predict_edits/v2") => Ok(http_client::Response::builder()
+                        .status(200)
+                        .body(
+                            serde_json::to_string(&PredictEditsResponse {
+                                request_id: Uuid::new_v4(),
+                                output_excerpt: completion,
+                            })
+                            .unwrap()
+                            .into(),
+                        )
+                        .unwrap()),
+                    _ => Ok(http_client::Response::builder()
+                        .status(404)
+                        .body("Not Found".into())
+                        .unwrap()),
+                }
             }
         });
 
@@ -2100,9 +2090,10 @@ mod tests {
         cx.update(|cx| {
             RefreshLlmTokenListener::register(client.clone(), cx);
         });
-        let server = FakeServer::for_client(42, &client, cx).await;
+        // Construct the fake server to authenticate.
+        let _server = FakeServer::for_client(42, &client, cx).await;
         let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
-        let zeta = cx.new(|cx| Zeta::new(None, client, user_store, cx));
+        let zeta = cx.new(|cx| Zeta::new(None, client, user_store.clone(), cx));
 
         let buffer = cx.new(|cx| Buffer::local(buffer_content, cx));
         let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot());
@@ -2111,17 +2102,10 @@ mod tests {
             zeta.request_completion(None, &buffer, cursor, false, cx)
         });
 
-        server.receive::<proto::GetUsers>().await.unwrap();
-        let token_request = server.receive::<proto::GetLlmToken>().await.unwrap();
-        server.respond(
-            token_request.receipt(),
-            proto::GetLlmTokenResponse { token: "".into() },
-        );
-
         let completion = completion_task.await.unwrap().unwrap();
         completion
             .edits
-            .into_iter()
+            .iter()
             .map(|(old_range, new_text)| (old_range.to_point(&snapshot), new_text.clone()))
             .collect::<Vec<_>>()
     }
diff --git a/crates/zeta_cli/Cargo.toml b/crates/zeta_cli/Cargo.toml
new file mode 100644
index 0000000000..e77351c219
--- /dev/null
+++ b/crates/zeta_cli/Cargo.toml
@@ -0,0 +1,45 @@
+[package]
+name = "zeta_cli"
+version = "0.1.0"
+edition.workspace = true
+publish.workspace = true
+license = "GPL-3.0-or-later"
+
+[lints]
+workspace = true
+
+[[bin]]
+name = "zeta"
+path = "src/main.rs"
+
+[dependencies]
+anyhow.workspace = true
+clap.workspace = true
+client.workspace = true
+debug_adapter_extension.workspace = true
+extension.workspace = true
+fs.workspace = true
+futures.workspace = true
+gpui.workspace = true
+gpui_tokio.workspace = true
+language.workspace = true
+language_extension.workspace = true
+language_model.workspace = true
+language_models.workspace = true
+languages = { workspace = true, features = ["load-grammars"] }
+node_runtime.workspace = true
+paths.workspace = true
+project.workspace = true
+prompt_store.workspace = true
+release_channel.workspace = true
+reqwest_client.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+settings.workspace = true
+shellexpand.workspace = true
+terminal_view.workspace = true
+util.workspace = true
+watch.workspace = true
+workspace-hack.workspace = true
+zeta.workspace = true
+smol.workspace = true
diff --git a/crates/zeta_cli/LICENSE-GPL b/crates/zeta_cli/LICENSE-GPL
new file mode 120000
index 0000000000..89e542f750
--- /dev/null
+++ b/crates/zeta_cli/LICENSE-GPL
@@ -0,0 +1 @@
+../../LICENSE-GPL
\ No newline at end of file
diff --git a/crates/zeta_cli/build.rs b/crates/zeta_cli/build.rs
new file mode 100644
index 0000000000..9ab40da0fb
--- /dev/null
+++ b/crates/zeta_cli/build.rs
@@ -0,0 +1,14 @@
+fn main() {
+    let cargo_toml =
+        std::fs::read_to_string("../zed/Cargo.toml").expect("Failed to read crates/zed/Cargo.toml");
+    let version = cargo_toml
+        .lines()
+        .find(|line| line.starts_with("version = "))
+        .expect("Version not found in crates/zed/Cargo.toml")
+        .split('=')
+        .nth(1)
+        .expect("Invalid version format")
+        .trim()
+        .trim_matches('"');
+    println!("cargo:rustc-env=ZED_PKG_VERSION={}", version);
+}
diff --git a/crates/zeta_cli/src/headless.rs b/crates/zeta_cli/src/headless.rs
new file mode 100644
index 0000000000..cfa7d606ba
--- /dev/null
+++ b/crates/zeta_cli/src/headless.rs
@@ -0,0 +1,124 @@
+use client::{Client, ProxySettings, UserStore};
+use extension::ExtensionHostProxy;
+use fs::RealFs;
+use gpui::http_client::read_proxy_from_env;
+use gpui::{App, AppContext, Entity};
+use gpui_tokio::Tokio;
+use language::LanguageRegistry;
+use language_extension::LspAccess;
+use node_runtime::{NodeBinaryOptions, NodeRuntime};
+use project::Project;
+use project::project_settings::ProjectSettings;
+use release_channel::AppVersion;
+use reqwest_client::ReqwestClient;
+use settings::{Settings, SettingsStore};
+use std::path::PathBuf;
+use std::sync::Arc;
+use util::ResultExt as _;
+
+/// Headless subset of `workspace::AppState`.
+pub struct ZetaCliAppState {
+    pub languages: Arc<LanguageRegistry>,
+    pub client: Arc<Client>,
+    pub user_store: Entity<UserStore>,
+    pub fs: Arc<dyn fs::Fs>,
+    pub node_runtime: NodeRuntime,
+}
+
+// TODO: dedupe with crates/eval/src/eval.rs
+pub fn init(cx: &mut App) -> ZetaCliAppState {
+    let app_version = AppVersion::load(env!("ZED_PKG_VERSION"));
+    release_channel::init(app_version, cx);
+    gpui_tokio::init(cx);
+
+    let mut settings_store = SettingsStore::new(cx);
+    settings_store
+        .set_default_settings(settings::default_settings().as_ref(), cx)
+        .unwrap();
+    cx.set_global(settings_store);
+    client::init_settings(cx);
+
+    // Set User-Agent so we can download language servers from GitHub
+    let user_agent = format!(
+        "Zeta CLI/{} ({}; {})",
+        app_version,
+        std::env::consts::OS,
+        std::env::consts::ARCH
+    );
+    let proxy_str = ProxySettings::get_global(cx).proxy.to_owned();
+    let proxy_url = proxy_str
+        .as_ref()
+        .and_then(|input| input.parse().ok())
+        .or_else(read_proxy_from_env);
+    let http = {
+        let _guard = Tokio::handle(cx).enter();
+
+        ReqwestClient::proxy_and_user_agent(proxy_url, &user_agent)
+            .expect("could not start HTTP client")
+    };
+    cx.set_http_client(Arc::new(http));
+
+    Project::init_settings(cx);
+
+    let client = Client::production(cx);
+    cx.set_http_client(client.http_client());
+
+    let git_binary_path = None;
+    let fs = Arc::new(RealFs::new(
+        git_binary_path,
+        cx.background_executor().clone(),
+    ));
+
+    let mut languages = LanguageRegistry::new(cx.background_executor().clone());
+    languages.set_language_server_download_dir(paths::languages_dir().clone());
+    let languages = Arc::new(languages);
+
+    let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
+
+    extension::init(cx);
+
+    let (mut tx, rx) = watch::channel(None);
+    cx.observe_global::<SettingsStore>(move |cx| {
+        let settings = &ProjectSettings::get_global(cx).node;
+        let options = NodeBinaryOptions {
+            allow_path_lookup: !settings.ignore_system_version,
+            allow_binary_download: true,
+            use_paths: settings.path.as_ref().map(|node_path| {
+                let node_path = PathBuf::from(shellexpand::tilde(node_path).as_ref());
+                let npm_path = settings
+                    .npm_path
+                    .as_ref()
+                    .map(|path| PathBuf::from(shellexpand::tilde(&path).as_ref()));
+                (
+                    node_path.clone(),
+                    npm_path.unwrap_or_else(|| {
+                        let base_path = PathBuf::new();
+                        node_path.parent().unwrap_or(&base_path).join("npm")
+                    }),
+                )
+            }),
+        };
+        tx.send(Some(options)).log_err();
+    })
+    .detach();
+    let node_runtime = NodeRuntime::new(client.http_client(), None, rx);
+
+    let extension_host_proxy = ExtensionHostProxy::global(cx);
+
+    language::init(cx);
+    debug_adapter_extension::init(extension_host_proxy.clone(), cx);
+    language_extension::init(LspAccess::Noop, extension_host_proxy, languages.clone());
+    language_model::init(client.clone(), cx);
+    language_models::init(user_store.clone(), client.clone(), cx);
+    languages::init(languages.clone(), node_runtime.clone(), cx);
+    prompt_store::init(cx);
+    terminal_view::init(cx);
+
+    ZetaCliAppState {
+        languages,
+        client,
+        user_store,
+        fs,
+        node_runtime,
+    }
+}
diff --git a/crates/zeta_cli/src/main.rs b/crates/zeta_cli/src/main.rs
new file mode 100644
index 0000000000..5b2d4cf615
--- /dev/null
+++ b/crates/zeta_cli/src/main.rs
@@ -0,0 +1,389 @@
+mod headless;
+
+use anyhow::{Result, anyhow};
+use clap::{Args, Parser, Subcommand};
+use futures::channel::mpsc;
+use futures::{FutureExt as _, StreamExt as _};
+use gpui::{AppContext, Application, AsyncApp};
+use gpui::{Entity, Task};
+use language::Bias;
+use language::Buffer;
+use language::Point;
+use language_model::LlmApiToken;
+use project::{Project, ProjectPath};
+use release_channel::AppVersion;
+use reqwest_client::ReqwestClient;
+use std::path::{Path, PathBuf};
+use std::process::exit;
+use std::str::FromStr;
+use std::sync::Arc;
+use std::time::Duration;
+use zeta::{GatherContextOutput, PerformPredictEditsParams, Zeta, gather_context};
+
+use crate::headless::ZetaCliAppState;
+
+#[derive(Parser, Debug)]
+#[command(name = "zeta")]
+struct ZetaCliArgs {
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(Subcommand, Debug)]
+enum Commands {
+    Context(ContextArgs),
+    Predict {
+        #[arg(long)]
+        predict_edits_body: Option<FileOrStdin>,
+        #[clap(flatten)]
+        context_args: Option<ContextArgs>,
+    },
+}
+
+#[derive(Debug, Args)]
+#[group(requires = "worktree")]
+struct ContextArgs {
+    #[arg(long)]
+    worktree: PathBuf,
+    #[arg(long)]
+    cursor: CursorPosition,
+    #[arg(long)]
+    use_language_server: bool,
+    #[arg(long)]
+    events: Option<FileOrStdin>,
+}
+
+#[derive(Debug, Clone)]
+enum FileOrStdin {
+    File(PathBuf),
+    Stdin,
+}
+
+impl FileOrStdin {
+    async fn read_to_string(&self) -> Result<String, std::io::Error> {
+        match self {
+            FileOrStdin::File(path) => smol::fs::read_to_string(path).await,
+            FileOrStdin::Stdin => smol::unblock(|| std::io::read_to_string(std::io::stdin())).await,
+        }
+    }
+}
+
+impl FromStr for FileOrStdin {
+    type Err = <PathBuf as FromStr>::Err;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "-" => Ok(Self::Stdin),
+            _ => Ok(Self::File(PathBuf::from_str(s)?)),
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+struct CursorPosition {
+    path: PathBuf,
+    point: Point,
+}
+
+impl FromStr for CursorPosition {
+    type Err = anyhow::Error;
+
+    fn from_str(s: &str) -> Result<Self> {
+        let parts: Vec<&str> = s.split(':').collect();
+        if parts.len() != 3 {
+            return Err(anyhow!(
+                "Invalid cursor format. Expected 'file.rs:line:column', got '{}'",
+                s
+            ));
+        }
+
+        let path = PathBuf::from(parts[0]);
+        let line: u32 = parts[1]
+            .parse()
+            .map_err(|_| anyhow!("Invalid line number: '{}'", parts[1]))?;
+        let column: u32 = parts[2]
+            .parse()
+            .map_err(|_| anyhow!("Invalid column number: '{}'", parts[2]))?;
+
+        // Convert from 1-based to 0-based indexing
+        let point = Point::new(line.saturating_sub(1), column.saturating_sub(1));
+
+        Ok(CursorPosition { path, point })
+    }
+}
+
+async fn get_context(
+    args: ContextArgs,
+    app_state: &Arc<ZetaCliAppState>,
+    cx: &mut AsyncApp,
+) -> Result<GatherContextOutput> {
+    let ContextArgs {
+        worktree: worktree_path,
+        cursor,
+        use_language_server,
+        events,
+    } = args;
+
+    let worktree_path = worktree_path.canonicalize()?;
+    if cursor.path.is_absolute() {
+        return Err(anyhow!("Absolute paths are not supported in --cursor"));
+    }
+
+    let (project, _lsp_open_handle, buffer) = if use_language_server {
+        let (project, lsp_open_handle, buffer) =
+            open_buffer_with_language_server(&worktree_path, &cursor.path, app_state, cx).await?;
+        (Some(project), Some(lsp_open_handle), buffer)
+    } else {
+        let abs_path = worktree_path.join(&cursor.path);
+        let content = smol::fs::read_to_string(&abs_path).await?;
+        let buffer = cx.new(|cx| Buffer::local(content, cx))?;
+        (None, None, buffer)
+    };
+
+    let worktree_name = worktree_path
+        .file_name()
+        .ok_or_else(|| anyhow!("--worktree path must end with a folder name"))?;
+    let full_path_str = PathBuf::from(worktree_name)
+        .join(&cursor.path)
+        .to_string_lossy()
+        .to_string();
+
+    let snapshot = cx.update(|cx| buffer.read(cx).snapshot())?;
+    let clipped_cursor = snapshot.clip_point(cursor.point, Bias::Left);
+    if clipped_cursor != cursor.point {
+        let max_row = snapshot.max_point().row;
+        if cursor.point.row < max_row {
+            return Err(anyhow!(
+                "Cursor position {:?} is out of bounds (line length is {})",
+                cursor.point,
+                snapshot.line_len(cursor.point.row)
+            ));
+        } else {
+            return Err(anyhow!(
+                "Cursor position {:?} is out of bounds (max row is {})",
+                cursor.point,
+                max_row
+            ));
+        }
+    }
+
+    let events = match events {
+        Some(events) => events.read_to_string().await?,
+        None => String::new(),
+    };
+    // Enable gathering extra data not currently needed for edit predictions
+    let can_collect_data = true;
+    let git_info = None;
+    let mut gather_context_output = cx
+        .update(|cx| {
+            gather_context(
+                project.as_ref(),
+                full_path_str,
+                &snapshot,
+                clipped_cursor,
+                move || events,
+                can_collect_data,
+                git_info,
+                cx,
+            )
+        })?
+        .await;
+
+    // Disable data collection for these requests, as this is currently just used for evals
+    if let Ok(gather_context_output) = gather_context_output.as_mut() {
+        gather_context_output.body.can_collect_data = false
+    }
+
+    gather_context_output
+}
+
+pub async fn open_buffer_with_language_server(
+    worktree_path: &Path,
+    path: &Path,
+    app_state: &Arc<ZetaCliAppState>,
+    cx: &mut AsyncApp,
+) -> Result<(Entity<Project>, Entity<Entity<Buffer>>, Entity<Buffer>)> {
+    let project = cx.update(|cx| {
+        Project::local(
+            app_state.client.clone(),
+            app_state.node_runtime.clone(),
+            app_state.user_store.clone(),
+            app_state.languages.clone(),
+            app_state.fs.clone(),
+            None,
+            cx,
+        )
+    })?;
+
+    let worktree = project
+        .update(cx, |project, cx| {
+            project.create_worktree(worktree_path, true, cx)
+        })?
+        .await?;
+
+    let project_path = worktree.read_with(cx, |worktree, _cx| ProjectPath {
+        worktree_id: worktree.id(),
+        path: path.to_path_buf().into(),
+    })?;
+
+    let buffer = project
+        .update(cx, |project, cx| project.open_buffer(project_path, cx))?
+        .await?;
+
+    let lsp_open_handle = project.update(cx, |project, cx| {
+        project.register_buffer_with_language_servers(&buffer, cx)
+    })?;
+
+    let log_prefix = path.to_string_lossy().to_string();
+    wait_for_lang_server(&project, &buffer, log_prefix, cx).await?;
+
+    Ok((project, lsp_open_handle, buffer))
+}
+
+// TODO: Dedupe with similar function in crates/eval/src/instance.rs
+pub fn wait_for_lang_server(
+    project: &Entity<Project>,
+    buffer: &Entity<Buffer>,
+    log_prefix: String,
+    cx: &mut AsyncApp,
+) -> Task<Result<()>> {
+    println!("{}⏵ Waiting for language server", log_prefix);
+
+    let (mut tx, mut rx) = mpsc::channel(1);
+
+    let lsp_store = project
+        .read_with(cx, |project, _| project.lsp_store())
+        .unwrap();
+
+    let has_lang_server = buffer
+        .update(cx, |buffer, cx| {
+            lsp_store.update(cx, |lsp_store, cx| {
+                lsp_store
+                    .language_servers_for_local_buffer(buffer, cx)
+                    .next()
+                    .is_some()
+            })
+        })
+        .unwrap_or(false);
+
+    if has_lang_server {
+        project
+            .update(cx, |project, cx| project.save_buffer(buffer.clone(), cx))
+            .unwrap()
+            .detach();
+    }
+
+    let subscriptions = [
+        cx.subscribe(&lsp_store, {
+            let log_prefix = log_prefix.clone();
+            move |_, event, _| {
+                if let project::LspStoreEvent::LanguageServerUpdate {
+                    message:
+                        client::proto::update_language_server::Variant::WorkProgress(
+                            client::proto::LspWorkProgress {
+                                message: Some(message),
+                                ..
+                            },
+                        ),
+                    ..
+                } = event
+                {
+                    println!("{}⟲ {message}", log_prefix)
+                }
+            }
+        }),
+        cx.subscribe(project, {
+            let buffer = buffer.clone();
+            move |project, event, cx| match event {
+                project::Event::LanguageServerAdded(_, _, _) => {
+                    let buffer = buffer.clone();
+                    project
+                        .update(cx, |project, cx| project.save_buffer(buffer, cx))
+                        .detach();
+                }
+                project::Event::DiskBasedDiagnosticsFinished { .. } => {
+                    tx.try_send(()).ok();
+                }
+                _ => {}
+            }
+        }),
+    ];
+
+    cx.spawn(async move |cx| {
+        let timeout = cx.background_executor().timer(Duration::new(60 * 5, 0));
+        let result = futures::select! {
+            _ = rx.next() => {
+                println!("{}⚑ Language server idle", log_prefix);
+                anyhow::Ok(())
+            },
+            _ = timeout.fuse() => {
+                anyhow::bail!("LSP wait timed out after 5 minutes");
+            }
+        };
+        drop(subscriptions);
+        result
+    })
+}
+
+fn main() {
+    let args = ZetaCliArgs::parse();
+    let http_client = Arc::new(ReqwestClient::new());
+    let app = Application::headless().with_http_client(http_client);
+
+    app.run(move |cx| {
+        let app_state = Arc::new(headless::init(cx));
+        cx.spawn(async move |cx| {
+            let result = match args.command {
+                Commands::Context(context_args) => get_context(context_args, &app_state, cx)
+                    .await
+                    .map(|output| serde_json::to_string_pretty(&output.body).unwrap()),
+                Commands::Predict {
+                    predict_edits_body,
+                    context_args,
+                } => {
+                    cx.spawn(async move |cx| {
+                        let app_version = cx.update(|cx| AppVersion::global(cx))?;
+                        app_state.client.sign_in(true, cx).await?;
+                        let llm_token = LlmApiToken::default();
+                        llm_token.refresh(&app_state.client).await?;
+
+                        let predict_edits_body =
+                            if let Some(predict_edits_body) = predict_edits_body {
+                                serde_json::from_str(&predict_edits_body.read_to_string().await?)?
+                            } else if let Some(context_args) = context_args {
+                                get_context(context_args, &app_state, cx).await?.body
+                            } else {
+                                return Err(anyhow!(
+                                    "Expected either --predict-edits-body-file \
+                                    or the required args of the `context` command."
+                                ));
+                            };
+
+                        let (response, _usage) =
+                            Zeta::perform_predict_edits(PerformPredictEditsParams {
+                                client: app_state.client.clone(),
+                                llm_token,
+                                app_version,
+                                body: predict_edits_body,
+                            })
+                            .await?;
+
+                        Ok(response.output_excerpt)
+                    })
+                    .await
+                }
+            };
+            match result {
+                Ok(output) => {
+                    println!("{}", output);
+                    let _ = cx.update(|cx| cx.quit());
+                }
+                Err(e) => {
+                    eprintln!("Failed: {:?}", e);
+                    exit(1);
+                }
+            }
+        })
+        .detach();
+    });
+}
diff --git a/crates/zlog/src/filter.rs b/crates/zlog/src/filter.rs
index 56350d34c3..ee3c241079 100644
--- a/crates/zlog/src/filter.rs
+++ b/crates/zlog/src/filter.rs
@@ -4,7 +4,6 @@ use std::{
         OnceLock, RwLock,
         atomic::{AtomicU8, Ordering},
     },
-    usize,
 };
 
 use crate::{SCOPE_DEPTH_MAX, SCOPE_STRING_SEP_STR, Scope, ScopeAlloc, env_config, private};
@@ -55,7 +54,7 @@ pub fn init_env_filter(filter: env_config::EnvFilter) {
 }
 
 pub fn is_possibly_enabled_level(level: log::Level) -> bool {
-    return level as u8 <= LEVEL_ENABLED_MAX_CONFIG.load(Ordering::Relaxed);
+    level as u8 <= LEVEL_ENABLED_MAX_CONFIG.load(Ordering::Relaxed)
 }
 
 pub fn is_scope_enabled(scope: &Scope, module_path: Option<&str>, level: log::Level) -> bool {
@@ -70,7 +69,7 @@ pub fn is_scope_enabled(scope: &Scope, module_path: Option<&str>, level: log::Le
     let is_enabled_by_default = level <= unsafe { LEVEL_ENABLED_MAX_STATIC };
     let global_scope_map = SCOPE_MAP.read().unwrap_or_else(|err| {
         SCOPE_MAP.clear_poison();
-        return err.into_inner();
+        err.into_inner()
     });
 
     let Some(map) = global_scope_map.as_ref() else {
@@ -82,12 +81,12 @@ pub fn is_scope_enabled(scope: &Scope, module_path: Option<&str>, level: log::Le
         // if no scopes are enabled, return false because it's not <= LEVEL_ENABLED_MAX_STATIC
         return is_enabled_by_default;
     }
-    let enabled_status = map.is_enabled(&scope, module_path, level);
-    return match enabled_status {
+    let enabled_status = map.is_enabled(scope, module_path, level);
+    match enabled_status {
         EnabledStatus::NotConfigured => is_enabled_by_default,
         EnabledStatus::Enabled => true,
         EnabledStatus::Disabled => false,
-    };
+    }
 }
 
 pub fn refresh_from_settings(settings: &HashMap<String, String>) {
@@ -132,7 +131,7 @@ fn level_filter_from_str(level_str: &str) -> Option<log::LevelFilter> {
             return None;
         }
     };
-    return Some(level);
+    Some(level)
 }
 
 fn scope_alloc_from_scope_str(scope_str: &str) -> Option<ScopeAlloc> {
@@ -143,7 +142,7 @@ fn scope_alloc_from_scope_str(scope_str: &str) -> Option<ScopeAlloc> {
         let Some(scope) = scope_iter.next() else {
             break;
         };
-        if scope == "" {
+        if scope.is_empty() {
             continue;
         }
         scope_buf[index] = scope;
@@ -152,14 +151,14 @@ fn scope_alloc_from_scope_str(scope_str: &str) -> Option<ScopeAlloc> {
     if index == 0 {
         return None;
     }
-    if let Some(_) = scope_iter.next() {
+    if scope_iter.next().is_some() {
         crate::warn!(
             "Invalid scope key, too many nested scopes: '{scope_str}'. Max depth is {SCOPE_DEPTH_MAX}",
         );
         return None;
     }
     let scope = scope_buf.map(|s| s.to_string());
-    return Some(scope);
+    Some(scope)
 }
 
 #[derive(Debug, PartialEq, Eq)]
@@ -204,12 +203,10 @@ impl ScopeMap {
                 .map(|(scope_str, level_filter)| (scope_str.as_str(), *level_filter))
         });
 
-        let new_filters = items_input_map
-            .into_iter()
-            .filter_map(|(scope_str, level_str)| {
-                let level_filter = level_filter_from_str(level_str)?;
-                Some((scope_str.as_str(), level_filter))
-            });
+        let new_filters = items_input_map.iter().filter_map(|(scope_str, level_str)| {
+            let level_filter = level_filter_from_str(level_str)?;
+            Some((scope_str.as_str(), level_filter))
+        });
 
         let all_filters = default_filters
             .iter()
@@ -280,7 +277,7 @@ impl ScopeMap {
                     cursor += 1;
                 }
                 let sub_items_end = cursor;
-                if scope_name == "" {
+                if scope_name.is_empty() {
                     assert_eq!(sub_items_start + 1, sub_items_end);
                     assert_ne!(depth, 0);
                     assert_ne!(parent_index, usize::MAX);
@@ -288,7 +285,7 @@ impl ScopeMap {
                     this.entries[parent_index].enabled = Some(items[sub_items_start].1);
                     continue;
                 }
-                let is_valid_scope = scope_name != "";
+                let is_valid_scope = !scope_name.is_empty();
                 let is_last = depth + 1 == SCOPE_DEPTH_MAX || !is_valid_scope;
                 let mut enabled = None;
                 if is_last {
@@ -296,7 +293,7 @@ impl ScopeMap {
                         sub_items_start + 1,
                         sub_items_end,
                         "Expected one item: got: {:?}",
-                        &items[items_range.clone()]
+                        &items[items_range]
                     );
                     enabled = Some(items[sub_items_start].1);
                 } else {
@@ -321,7 +318,7 @@ impl ScopeMap {
             }
         }
 
-        return this;
+        this
     }
 
     pub fn is_empty(&self) -> bool {
@@ -358,7 +355,7 @@ impl ScopeMap {
                 }
                 break 'search;
             }
-            return enabled;
+            enabled
         }
 
         let mut enabled = search(self, scope);
@@ -394,7 +391,7 @@ impl ScopeMap {
             }
             return EnabledStatus::Disabled;
         }
-        return EnabledStatus::NotConfigured;
+        EnabledStatus::NotConfigured
     }
 }
 
@@ -456,7 +453,7 @@ mod tests {
             let Some(scope) = scope_iter.next() else {
                 break;
             };
-            if scope == "" {
+            if scope.is_empty() {
                 continue;
             }
             scope_buf[index] = scope;
@@ -464,7 +461,7 @@ mod tests {
         }
         assert_ne!(index, 0);
         assert!(scope_iter.next().is_none());
-        return scope_buf;
+        scope_buf
     }
 
     #[test]
diff --git a/crates/zlog/src/sink.rs b/crates/zlog/src/sink.rs
index 17aa08026e..3ac85d4bbf 100644
--- a/crates/zlog/src/sink.rs
+++ b/crates/zlog/src/sink.rs
@@ -194,10 +194,10 @@ pub fn flush() {
         ENABLED_SINKS_FILE.clear_poison();
         handle.into_inner()
     });
-    if let Some(file) = file.as_mut() {
-        if let Err(err) = file.flush() {
-            eprintln!("Failed to flush log file: {}", err);
-        }
+    if let Some(file) = file.as_mut()
+        && let Err(err) = file.flush()
+    {
+        eprintln!("Failed to flush log file: {}", err);
     }
 }
 
diff --git a/crates/zlog/src/zlog.rs b/crates/zlog/src/zlog.rs
index 5b40278f3f..d0e8958df5 100644
--- a/crates/zlog/src/zlog.rs
+++ b/crates/zlog/src/zlog.rs
@@ -10,12 +10,9 @@ pub use sink::{flush, init_output_file, init_output_stderr, init_output_stdout};
 pub const SCOPE_DEPTH_MAX: usize = 4;
 
 pub fn init() {
-    match try_init() {
-        Err(err) => {
-            log::error!("{err}");
-            eprintln!("{err}");
-        }
-        Ok(()) => {}
+    if let Err(err) = try_init() {
+        log::error!("{err}");
+        eprintln!("{err}");
     }
 }
 
@@ -28,10 +25,8 @@ pub fn try_init() -> anyhow::Result<()> {
 }
 
 pub fn init_test() {
-    if get_env_config().is_some() {
-        if try_init().is_ok() {
-            init_output_stdout();
-        }
+    if get_env_config().is_some() && try_init().is_ok() {
+        init_output_stdout();
     }
 }
 
@@ -242,7 +237,7 @@ pub mod private {
         let Some((crate_name, _)) = module_path.split_at_checked(index) else {
             return module_path;
         };
-        return crate_name;
+        crate_name
     }
 
     pub const fn scope_new(scopes: &[&'static str]) -> Scope {
@@ -264,13 +259,13 @@ pub mod private {
     }
 
     pub fn scope_to_alloc(scope: &Scope) -> ScopeAlloc {
-        return scope.map(|s| s.to_string());
+        scope.map(|s| s.to_string())
     }
 }
 
 pub type Scope = [&'static str; SCOPE_DEPTH_MAX];
 pub type ScopeAlloc = [String; SCOPE_DEPTH_MAX];
-const SCOPE_STRING_SEP_STR: &'static str = ".";
+const SCOPE_STRING_SEP_STR: &str = ".";
 const SCOPE_STRING_SEP_CHAR: char = '.';
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
@@ -321,18 +316,18 @@ impl Drop for Timer {
 impl Timer {
     #[must_use = "Timer will stop when dropped, the result of this function should be saved in a variable prefixed with `_` if it should stop when dropped"]
     pub fn new(logger: Logger, name: &'static str) -> Self {
-        return Self {
+        Self {
             logger,
             name,
             start_time: std::time::Instant::now(),
             warn_if_longer_than: None,
             done: false,
-        };
+        }
     }
 
     pub fn warn_if_gt(mut self, warn_limit: std::time::Duration) -> Self {
         self.warn_if_longer_than = Some(warn_limit);
-        return self;
+        self
     }
 
     pub fn end(mut self) {
@@ -344,18 +339,18 @@ impl Timer {
             return;
         }
         let elapsed = self.start_time.elapsed();
-        if let Some(warn_limit) = self.warn_if_longer_than {
-            if elapsed > warn_limit {
-                crate::warn!(
-                    self.logger =>
-                    "Timer '{}' took {:?}. Which was longer than the expected limit of {:?}",
-                    self.name,
-                    elapsed,
-                    warn_limit
-                );
-                self.done = true;
-                return;
-            }
+        if let Some(warn_limit) = self.warn_if_longer_than
+            && elapsed > warn_limit
+        {
+            crate::warn!(
+                self.logger =>
+                "Timer '{}' took {:?}. Which was longer than the expected limit of {:?}",
+                self.name,
+                elapsed,
+                warn_limit
+            );
+            self.done = true;
+            return;
         }
         crate::trace!(
             self.logger =>
diff --git a/docs/src/SUMMARY.md b/docs/src/SUMMARY.md
index fc936d6bd0..251cad6234 100644
--- a/docs/src/SUMMARY.md
+++ b/docs/src/SUMMARY.md
@@ -16,11 +16,13 @@
 - [Configuring Zed](./configuring-zed.md)
 - [Configuring Languages](./configuring-languages.md)
 - [Key bindings](./key-bindings.md)
+  - [All Actions](./all-actions.md)
 - [Snippets](./snippets.md)
 - [Themes](./themes.md)
 - [Icon Themes](./icon-themes.md)
 - [Visual Customization](./visual-customization.md)
 - [Vim Mode](./vim.md)
+- [Helix Mode](./helix.md)
 
 <!-- - [Globs](./globs.md) -->
 <!-- - [Fonts](./fonts.md) -->
diff --git a/docs/src/ai/llm-providers.md b/docs/src/ai/llm-providers.md
index bd208e94ac..5ef6081421 100644
--- a/docs/src/ai/llm-providers.md
+++ b/docs/src/ai/llm-providers.md
@@ -6,33 +6,33 @@ You can do that by either subscribing to [one of Zed's plans](./plans-and-usage.
 
 ## Use Your Own Keys {#use-your-own-keys}
 
-If you already have an API key for an existing LLM provider—say Anthropic or OpenAI, for example—you can insert them in Zed and use the Agent Panel **_for free_**.
+If you already have an API key for an existing LLM provider—say Anthropic or OpenAI, for example—you can insert them into Zed and use the full power of the Agent Panel **_for free_**.
 
-You can add your API key to a given provider either via the Agent Panel's settings UI or directly via the `settings.json` through the `language_models` key.
+To add an existing API key to a given provider, go to the Agent Panel settings (`agent: open settings`), look for the desired provider, paste the key into the input, and hit enter.
+
+> Note: API keys are _not_ stored as plain text in your `settings.json`, but rather in your OS's secure credential storage.
 
 ## Supported Providers
 
 Here's all the supported LLM providers for which you can use your own API keys:
 
-| Provider                                        | Tool Use Supported                                                                                                                                                          |
-| ----------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| [Amazon Bedrock](#amazon-bedrock)               | Depends on the model                                                                                                                                                        |
-| [Anthropic](#anthropic)                         | ✅                                                                                                                                                                          |
-| [DeepSeek](#deepseek)                           | ✅                                                                                                                                                                          |
-| [GitHub Copilot Chat](#github-copilot-chat)     | For some models ([link](https://github.com/zed-industries/zed/blob/9e0330ba7d848755c9734bf456c716bddf0973f3/crates/language_models/src/provider/copilot_chat.rs#L189-L198)) |
-| [Google AI](#google-ai)                         | ✅                                                                                                                                                                          |
-| [LM Studio](#lmstudio)                          | ✅                                                                                                                                                                          |
-| [Mistral](#mistral)                             | ✅                                                                                                                                                                          |
-| [Ollama](#ollama)                               | ✅                                                                                                                                                                          |
-| [OpenAI](#openai)                               | ✅                                                                                                                                                                          |
-| [OpenAI API Compatible](#openai-api-compatible) | ✅                                                                                                                                                                          |
-| [OpenRouter](#openrouter)                       | ✅                                                                                                                                                                          |
-| [Vercel](#vercel-v0)                            | ✅                                                                                                                                                                          |
-| [xAI](#xai)                                     | ✅                                                                                                                                                                          |
+- [Amazon Bedrock](#amazon-bedrock)
+- [Anthropic](#anthropic)
+- [DeepSeek](#deepseek)
+- [GitHub Copilot Chat](#github-copilot-chat)
+- [Google AI](#google-ai)
+- [LM Studio](#lmstudio)
+- [Mistral](#mistral)
+- [Ollama](#ollama)
+- [OpenAI](#openai)
+- [OpenAI API Compatible](#openai-api-compatible)
+- [OpenRouter](#openrouter)
+- [Vercel](#vercel-v0)
+- [xAI](#xai)
 
 ### Amazon Bedrock {#amazon-bedrock}
 
-> ✅ Supports tool use with models that support streaming tool use.
+> Supports tool use with models that support streaming tool use.
 > More details can be found in the [Amazon Bedrock's Tool Use documentation](https://docs.aws.amazon.com/bedrock/latest/userguide/conversation-inference-supported-models-features.html).
 
 To use Amazon Bedrock's models, an AWS authentication is required.
@@ -107,8 +107,6 @@ For the most up-to-date supported regions and models, refer to the [Supported Mo
 
 ### Anthropic {#anthropic}
 
-> ✅ Supports tool use
-
 You can use Anthropic models by choosing them via the model dropdown in the Agent Panel.
 
 1. Sign up for Anthropic and [create an API key](https://console.anthropic.com/settings/keys)
@@ -165,8 +163,6 @@ You can configure a model to use [extended thinking](https://docs.anthropic.com/
 
 ### DeepSeek {#deepseek}
 
-> ✅ Supports tool use
-
 1. Visit the DeepSeek platform and [create an API key](https://platform.deepseek.com/api_keys)
 2. Open the settings view (`agent: open settings`) and go to the DeepSeek section
 3. Enter your DeepSeek API key
@@ -208,9 +204,6 @@ You can also modify the `api_url` to use a custom endpoint if needed.
 
 ### GitHub Copilot Chat {#github-copilot-chat}
 
-> ✅ Supports tool use in some cases.
-> Visit [the Copilot Chat code](https://github.com/zed-industries/zed/blob/9e0330ba7d848755c9734bf456c716bddf0973f3/crates/language_models/src/provider/copilot_chat.rs#L189-L198) for the supported subset.
-
 You can use GitHub Copilot Chat with the Zed agent by choosing it via the model dropdown in the Agent Panel.
 
 1. Open the settings view (`agent: open settings`) and go to the GitHub Copilot Chat section
@@ -220,12 +213,10 @@ Alternatively, you can provide an OAuth token via the `GH_COPILOT_TOKEN` environ
 
 > **Note**: If you don't see specific models in the dropdown, you may need to enable them in your [GitHub Copilot settings](https://github.com/settings/copilot/features).
 
-To use Copilot Enterprise with Zed (for both agent and inline completions), you must configure your enterprise endpoint as described in [Configuring GitHub Copilot Enterprise](./edit-prediction.md#github-copilot-enterprise).
+To use Copilot Enterprise with Zed (for both agent and completions), you must configure your enterprise endpoint as described in [Configuring GitHub Copilot Enterprise](./edit-prediction.md#github-copilot-enterprise).
 
 ### Google AI {#google-ai}
 
-> ✅ Supports tool use
-
 You can use Gemini models with the Zed agent by choosing it via the model dropdown in the Agent Panel.
 
 1. Go to the Google AI Studio site and [create an API key](https://aistudio.google.com/app/apikey).
@@ -266,8 +257,6 @@ Custom models will be listed in the model dropdown in the Agent Panel.
 
 ### LM Studio {#lmstudio}
 
-> ✅ Supports tool use
-
 1. Download and install [the latest version of LM Studio](https://lmstudio.ai/download)
 2. In the app press `cmd/ctrl-shift-m` and download at least one model (e.g., qwen2.5-coder-7b). Alternatively, you can get models via the LM Studio CLI:
 
@@ -285,8 +274,6 @@ Tip: Set [LM Studio as a login item](https://lmstudio.ai/docs/advanced/headless#
 
 ### Mistral {#mistral}
 
-> ✅ Supports tool use
-
 1. Visit the Mistral platform and [create an API key](https://console.mistral.ai/api-keys/)
 2. Open the configuration view (`agent: open settings`) and navigate to the Mistral section
 3. Enter your Mistral API key
@@ -326,8 +313,6 @@ Custom models will be listed in the model dropdown in the Agent Panel.
 
 ### Ollama {#ollama}
 
-> ✅ Supports tool use
-
 Download and install Ollama from [ollama.com/download](https://ollama.com/download) (Linux or macOS) and ensure it's running with `ollama --version`.
 
 1. Download one of the [available models](https://ollama.com/models), for example, for `mistral`:
@@ -395,8 +380,6 @@ If the model is tagged with `vision` in the Ollama catalog, set this option and
 
 ### OpenAI {#openai}
 
-> ✅ Supports tool use
-
 1. Visit the OpenAI platform and [create an API key](https://platform.openai.com/account/api-keys)
 2. Make sure that your OpenAI account has credits
 3. Open the settings view (`agent: open settings`) and go to the OpenAI section
@@ -408,27 +391,27 @@ Zed will also use the `OPENAI_API_KEY` environment variable if it's defined.
 
 #### Custom Models {#openai-custom-models}
 
-The Zed agent comes pre-configured to use the latest version for common models (GPT-3.5 Turbo, GPT-4, GPT-4 Turbo, GPT-4o, GPT-4o mini).
-To use alternate models, perhaps a preview release or a dated model release, or if you wish to control the request parameters, you can do so by adding the following to your Zed `settings.json`:
+The Zed agent comes pre-configured to use the latest version for common models (GPT-5, GPT-5 mini, o4-mini, GPT-4.1, and others).
+To use alternate models, perhaps a preview release, or if you wish to control the request parameters, you can do so by adding the following to your Zed `settings.json`:
 
 ```json
 {
   "language_models": {
     "openai": {
       "available_models": [
+        {
+          "name": "gpt-5",
+          "display_name": "gpt-5 high",
+          "reasoning_effort": "high",
+          "max_tokens": 272000,
+          "max_completion_tokens": 20000
+        },
         {
           "name": "gpt-4o-2024-08-06",
           "display_name": "GPT 4o Summer 2024",
           "max_tokens": 128000
-        },
-        {
-          "name": "o1-mini",
-          "display_name": "o1-mini",
-          "max_tokens": 128000,
-          "max_completion_tokens": 20000
         }
-      ],
-      "version": "1"
+      ]
     }
   }
 }
@@ -441,30 +424,32 @@ Custom models will be listed in the model dropdown in the Agent Panel.
 
 ### OpenAI API Compatible {#openai-api-compatible}
 
-Zed supports using [OpenAI compatible APIs](https://platform.openai.com/docs/api-reference/chat) by specifying a custom `api_url` and `available_models` for the OpenAI provider. This is useful for connecting to other hosted services (like Together AI, Anyscale, etc.) or local models.
+Zed supports using [OpenAI compatible APIs](https://platform.openai.com/docs/api-reference/chat) by specifying a custom `api_url` and `available_models` for the OpenAI provider.
+This is useful for connecting to other hosted services (like Together AI, Anyscale, etc.) or local models.
 
-To configure a compatible API, you can add a custom API URL for OpenAI either via the UI (currently available only in Preview) or by editing your `settings.json`.
+You can add a custom, OpenAI-compatible model either via the UI or by editing your `settings.json`.
 
-For example, to connect to [Together AI](https://www.together.ai/) via the UI:
+To do it via the UI, go to the Agent Panel settings (`agent: open settings`) and look for the "Add Provider" button to the right of the "LLM Providers" section title.
+Then, fill up the input fields available in the modal.
 
-1. Get an API key from your [Together AI account](https://api.together.ai/settings/api-keys).
-2. Go to the Agent Panel's settings view, click on the "Add Provider" button, and then on the "OpenAI" menu item
-3. Add the requested fields, such as `api_url`, `api_key`, available models, and others
-
-Alternatively, you can also add it via the `settings.json`:
+To do it via your `settings.json`, add the following snippet under `language_models`:
 
 ```json
 {
   "language_models": {
     "openai": {
-      "api_url": "https://api.together.xyz/v1",
-      "api_key": "YOUR_TOGETHER_AI_API_KEY",
+      "api_url": "https://api.together.xyz/v1", // Using Together AI as an example
       "available_models": [
         {
           "name": "mistralai/Mixtral-8x7B-Instruct-v0.1",
           "display_name": "Together Mixtral 8x7B",
           "max_tokens": 32768,
-          "supports_tools": true
+          "capabilities": {
+            "tools": true,
+            "images": false,
+            "parallel_tool_calls": false,
+            "prompt_cache_key": false
+          }
         }
       ]
     }
@@ -472,9 +457,17 @@ Alternatively, you can also add it via the `settings.json`:
 }
 ```
 
-### OpenRouter {#openrouter}
+By default, OpenAI-compatible models inherit the following capabilities:
 
-> ✅ Supports tool use
+- `tools`: true (supports tool/function calling)
+- `images`: false (does not support image inputs)
+- `parallel_tool_calls`: false (does not support `parallel_tool_calls` parameter)
+- `prompt_cache_key`: false (does not support `prompt_cache_key` parameter)
+
+Note that LLM API keys aren't stored in your settings file.
+So, ensure you have it set in your environment variables (`OPENAI_API_KEY=<your api key>`) so your settings can pick it up.
+
+### OpenRouter {#openrouter}
 
 OpenRouter provides access to multiple AI models through a single API. It supports tool use for compatible models.
 
@@ -532,8 +525,6 @@ Custom models will be listed in the model dropdown in the Agent Panel.
 
 ### Vercel v0 {#vercel-v0}
 
-> ✅ Supports tool use
-
 [Vercel v0](https://vercel.com/docs/v0/api) is an expert model for generating full-stack apps, with framework-aware completions optimized for modern stacks like Next.js and Vercel.
 It supports text and image inputs and provides fast streaming responses.
 
@@ -546,8 +537,6 @@ You should then find it as `v0-1.5-md` in the model dropdown in the Agent Panel.
 
 ### xAI {#xai}
 
-> ✅ Supports tool use
-
 Zed has first-class support for [xAI](https://x.ai/) models. You can use your own API key to access Grok models.
 
 1. [Create an API key in the xAI Console](https://console.x.ai/team/default/api-keys)
diff --git a/docs/src/ai/models.md b/docs/src/ai/models.md
index b40f17b77f..8d46d0b8d1 100644
--- a/docs/src/ai/models.md
+++ b/docs/src/ai/models.md
@@ -12,8 +12,10 @@ We’re working hard to expand the models supported by Zed’s subscription offe
 | Claude Sonnet 4   | Anthropic | ✅        | 200k           | N/A              | $0.05             |
 | Claude Opus 4     | Anthropic | ❌        | 120k           | $0.20            | N/A               |
 | Claude Opus 4     | Anthropic | ✅        | 200k           | N/A              | $0.25             |
+| Claude Opus 4.1   | Anthropic | ❌        | 120k           | $0.20            | N/A               |
+| Claude Opus 4.1   | Anthropic | ✅        | 200k           | N/A              | $0.25             |
 
-> Note: Because of the 5x token cost for [Opus relative to Sonnet](https://www.anthropic.com/pricing#api), each Opus prompt consumes 5 prompts against your billing meter
+> Note: Because of the 5x token cost for [Opus relative to Sonnet](https://www.anthropic.com/pricing#api), each Opus 4 and 4.1 prompt consumes 5 prompts against your billing meter
 
 ## Usage {#usage}
 
diff --git a/docs/src/ai/text-threads.md b/docs/src/ai/text-threads.md
index 65a5dcba03..ed439252b4 100644
--- a/docs/src/ai/text-threads.md
+++ b/docs/src/ai/text-threads.md
@@ -16,7 +16,7 @@ To begin, type a message in a `You` block.
 
 As you type, the remaining tokens count for the selected model is updated.
 
-Inserting text from an editor is as simple as highlighting the text and running `assistant: quote selection` ({#kb assistant::QuoteSelection}); Zed will wrap it in a fenced code block if it is code.
+Inserting text from an editor is as simple as highlighting the text and running `agent: quote selection` ({#kb agent::QuoteSelection}); Zed will wrap it in a fenced code block if it is code.
 
 ![Quoting a selection](https://zed.dev/img/assistant/quoting-a-selection.png)
 
@@ -148,7 +148,7 @@ Usage: `/terminal [<number>]`
 
 The `/selection` command inserts the selected text in the editor into the context. This is useful for referencing specific parts of your code.
 
-This is equivalent to the `assistant: quote selection` command ({#kb assistant::QuoteSelection}).
+This is equivalent to the `agent: quote selection` command ({#kb agent::QuoteSelection}).
 
 Usage: `/selection`
 
diff --git a/docs/src/all-actions.md b/docs/src/all-actions.md
new file mode 100644
index 0000000000..d20f7cfd63
--- /dev/null
+++ b/docs/src/all-actions.md
@@ -0,0 +1,3 @@
+## All Actions
+
+{#ACTIONS_TABLE#}
diff --git a/docs/src/configuring-zed.md b/docs/src/configuring-zed.md
index 5fd27abad6..a8a4689689 100644
--- a/docs/src/configuring-zed.md
+++ b/docs/src/configuring-zed.md
@@ -294,11 +294,11 @@ Define extensions which should be installed (`true`) or never installed (`false`
 
 - Description: The name of a font to use for rendering text in the editor.
 - Setting: `buffer_font_family`
-- Default: `Zed Plex Mono`
+- Default: `.ZedMono`. This currently aliases to [Lilex](https://lilex.myrt.co).
 
 **Options**
 
-The name of any font family installed on the user's system
+The name of any font family installed on the user's system, or `".ZedMono"`.
 
 ## Buffer Font Features
 
@@ -539,12 +539,6 @@ List of `string` values
 - Setting: `selection_highlight`
 - Default: `true`
 
-## LSP Highlight Debounce
-
-- Description: The debounce delay before querying highlights from the language server based on the current cursor location.
-- Setting: `lsp_highlight_debounce`
-- Default: `75`
-
 ## Cursor Blink
 
 - Description: Whether or not the cursor blinks.
@@ -1275,6 +1269,19 @@ Each option controls displaying of a particular toolbar element. If all elements
 
 `boolean` values
 
+## Status Bar
+
+- Description: Control various elements in the status bar. Note that some items in the status bar have their own settings set elsewhere.
+- Setting: `status_bar`
+- Default:
+
+```json
+"status_bar": {
+  "active_language_button": true,
+  "cursor_position_button": true
+},
+```
+
 ## LSP
 
 - Description: Configuration for language servers.
@@ -1326,6 +1333,18 @@ While other options may be changed at a runtime and should be placed under `sett
 - Setting: `lsp_highlight_debounce`
 - Default: `75`
 
+## Global LSP Settings
+
+- Description: Common language server settings.
+- Setting: `global_lsp_settings`
+- Default:
+
+```json
+"global_lsp_settings": {
+  "button": true
+}
+```
+
 **Options**
 
 `integer` values representing milliseconds
@@ -1795,7 +1814,6 @@ Example:
 {
   "git": {
     "inline_blame": {
-      "enabled": true,
       "delay_ms": 500
     }
   }
@@ -1808,7 +1826,6 @@ Example:
 {
   "git": {
     "inline_blame": {
-      "enabled": true,
       "show_commit_summary": true
     }
   }
@@ -1821,13 +1838,24 @@ Example:
 {
   "git": {
     "inline_blame": {
-      "enabled": true,
       "min_column": 80
     }
   }
 }
 ```
 
+5. Set the padding between the end of the line and the inline blame hint, in ems:
+
+```json
+{
+  "git": {
+    "inline_blame": {
+      "padding": 10
+    }
+  }
+}
+```
+
 ### Hunk Style
 
 - Description: What styling we should use for the diff hunks.
@@ -2397,6 +2425,7 @@ Examples:
 {
   "completions": {
     "words": "fallback",
+    "words_min_length": 3,
     "lsp": true,
     "lsp_fetch_timeout_ms": 0,
     "lsp_insert_mode": "replace_suffix"
@@ -2416,6 +2445,17 @@ Examples:
 2. `fallback` - Only if LSP response errors or times out, use document's words to show completions
 3. `disabled` - Never fetch or complete document's words for completions (word-based completions can still be queried via a separate action)
 
+### Min Words Query Length
+
+- Description: Minimum number of characters required to automatically trigger word-based completions.
+  Before that value, it's still possible to trigger the words-based completion manually with the corresponding editor command.
+- Setting: `words_min_length`
+- Default: `3`
+
+**Options**
+
+Positive integer values
+
 ### LSP
 
 - Description: Whether to fetch LSP completions or not.
@@ -3174,10 +3214,16 @@ Run the `theme selector: toggle` action in the command palette to see a current
 
 ## Vim
 
-- Description: Whether or not to enable vim mode (work in progress).
+- Description: Whether or not to enable vim mode. See the [Vim documentation](./vim.md) for more details on configuration.
 - Setting: `vim_mode`
 - Default: `false`
 
+## Helix Mode
+
+- Description: Whether or not to enable Helix mode. Enabling `helix_mode` also enables `vim_mode`. See the [Helix documentation](./helix.md) for more details.
+- Setting: `helix_mode`
+- Default: `false`
+
 ## Project Panel
 
 - Description: Customize project panel
@@ -3197,14 +3243,17 @@ Run the `theme selector: toggle` action in the command palette to see a current
     "indent_size": 20,
     "auto_reveal_entries": true,
     "auto_fold_dirs": true,
+    "drag_and_drop": true,
     "scrollbar": {
       "show": null
     },
+    "sticky_scroll": true,
     "show_diagnostics": "all",
     "indent_guides": {
       "show": "always"
     },
-    "hide_root": false
+    "hide_root": false,
+    "starts_open": true
   }
 }
 ```
@@ -3483,11 +3532,11 @@ Float values between `0.0` and `0.9`, where:
 
 - Description: The name of the font to use for text in the UI.
 - Setting: `ui_font_family`
-- Default: `Zed Plex Sans`
+- Default: `.ZedSans`. This currently aliases to [IBM Plex](https://www.ibm.com/plex/).
 
 **Options**
 
-The name of any font family installed on the system.
+The name of any font family installed on the system, `".ZedSans"` to use the Zed-provided default, or `".SystemUIFont"` to use the system's default UI font (on macOS and Windows).
 
 ## UI Font Features
 
@@ -3575,7 +3624,7 @@ For example, to use `Nerd Font` as a fallback, add the following to your setting
   "soft_wrap": "none",
 
   "buffer_font_size": 18,
-  "buffer_font_family": "Zed Plex Mono",
+  "buffer_font_family": ".ZedMono",
 
   "autosave": "on_focus_change",
   "format_on_save": "off",
diff --git a/docs/src/development/debugging-crashes.md b/docs/src/development/debugging-crashes.md
index d08ab961cc..ed0a5807a3 100644
--- a/docs/src/development/debugging-crashes.md
+++ b/docs/src/development/debugging-crashes.md
@@ -6,6 +6,7 @@ When an app crashes,
 
 - macOS creates a `.ips` file in `~/Library/Logs/DiagnosticReports`. You can view these using the built in Console app (`cmd-space Console`) under "Crash Reports".
 - Linux creates a core dump. See the [man pages](https://man7.org/linux/man-pages/man5/core.5.html) for pointers to how your system might be configured to manage core dumps.
+- Windows doesn't create crash reports by default, but can be configured to create "minidump" memory dumps upon applications crashing.
 
 If you have enabled Zed's telemetry these will be uploaded to us when you restart the app. They end up in a [Slack channel (internal only)](https://zed-industries.slack.com/archives/C04S6T1T7TQ).
 
diff --git a/docs/src/development/linux.md b/docs/src/development/linux.md
index 6fff25f6c1..d7b586be34 100644
--- a/docs/src/development/linux.md
+++ b/docs/src/development/linux.md
@@ -91,7 +91,7 @@ Zed has two main binaries:
 
 - You will need to build `crates/cli` and make its binary available in `$PATH` with the name `zed`.
 - You will need to build `crates/zed` and put it at `$PATH/to/cli/../../libexec/zed-editor`. For example, if you are going to put the cli at `~/.local/bin/zed` put zed at `~/.local/libexec/zed-editor`. As some linux distributions (notably Arch) discourage the use of `libexec`, you can also put this binary at `$PATH/to/cli/../../lib/zed/zed-editor` (e.g. `~/.local/lib/zed/zed-editor`) instead.
-- If you are going to provide a `.desktop` file you can find a template in `crates/zed/resources/zed.desktop.in`, and use `envsubst` to populate it with the values required. This file should also be renamed to `$APP_ID.desktop` so that the file [follows the FreeDesktop standards](https://github.com/zed-industries/zed/issues/12707#issuecomment-2168742761).
+- If you are going to provide a `.desktop` file you can find a template in `crates/zed/resources/zed.desktop.in`, and use `envsubst` to populate it with the values required. This file should also be renamed to `$APP_ID.desktop` so that the file [follows the FreeDesktop standards](https://github.com/zed-industries/zed/issues/12707#issuecomment-2168742761). You should also make this desktop file executable (`chmod 755`).
 - You will need to ensure that the necessary libraries are installed. You can get the current list by [inspecting the built binary](https://github.com/zed-industries/zed/blob/935cf542aebf55122ce6ed1c91d0fe8711970c82/script/bundle-linux#L65-L67) on your system.
 - For an example of a complete build script, see [script/bundle-linux](https://github.com/zed-industries/zed/blob/935cf542aebf55122ce6ed1c91d0fe8711970c82/script/bundle-linux).
 - You can disable Zed's auto updates and provide instructions for users who try to update Zed manually by building (or running) Zed with the environment variable `ZED_UPDATE_EXPLANATION`. For example: `ZED_UPDATE_EXPLANATION="Please use flatpak to update zed."`.
diff --git a/docs/src/development/local-collaboration.md b/docs/src/development/local-collaboration.md
index 9f0e3ef191..eb7f3dfc43 100644
--- a/docs/src/development/local-collaboration.md
+++ b/docs/src/development/local-collaboration.md
@@ -1,13 +1,27 @@
 # Local Collaboration
 
-First, make sure you've installed Zed's dependencies for your platform:
+1. Ensure you have access to our cloud infrastructure. If you don't have access, you can't collaborate locally at this time.
 
-- [macOS](./macos.md#backend-dependencies)
-- [Linux](./linux.md#backend-dependencies)
-- [Windows](./windows.md#backend-dependencies)
+2. Make sure you've installed Zed's dependencies for your platform:
+
+- [macOS](#macos)
+- [Linux](#linux)
+- [Windows](#backend-windows)
 
 Note that `collab` can be compiled only with MSVC toolchain on Windows
 
+3. Clone down our cloud repository and follow the instructions in the cloud README
+
+4. Setup the local database for your platform:
+
+- [macOS & Linux](#database-unix)
+- [Windows](#database-windows)
+
+5. Run collab:
+
+- [macOS & Linux](#run-collab-unix)
+- [Windows](#run-collab-windows)
+
 ## Backend Dependencies
 
 If you are developing collaborative features of Zed, you'll need to install the dependencies of zed's `collab` server:
@@ -18,7 +32,7 @@ If you are developing collaborative features of Zed, you'll need to install the
 
 You can install these dependencies natively or run them under Docker.
 
-### MacOS
+### macOS
 
 1. Install [Postgres.app](https://postgresapp.com) or [postgresql via homebrew](https://formulae.brew.sh/formula/postgresql@15):
 
@@ -76,7 +90,7 @@ docker compose up -d
 
 Before you can run the `collab` server locally, you'll need to set up a `zed` Postgres database.
 
-### On macOS and Linux
+### On macOS and Linux {#database-unix}
 
 ```sh
 script/bootstrap
@@ -99,7 +113,7 @@ To use a different set of admin users, you can create your own version of that j
 }
 ```
 
-### On Windows
+### On Windows {#database-windows}
 
 ```powershell
 .\script\bootstrap.ps1
@@ -107,7 +121,7 @@ To use a different set of admin users, you can create your own version of that j
 
 ## Testing collaborative features locally
 
-### On macOS and Linux
+### On macOS and Linux {#run-collab-unix}
 
 Ensure that Postgres is configured and running, then run Zed's collaboration server and the `livekit` dev server:
 
@@ -117,12 +131,16 @@ foreman start
 docker compose up
 ```
 
-Alternatively, if you're not testing voice and screenshare, you can just run `collab`, and not the `livekit` dev server:
+Alternatively, if you're not testing voice and screenshare, you can just run `collab` and `cloud`, and not the `livekit` dev server:
 
 ```sh
 cargo run -p collab -- serve all
 ```
 
+```sh
+cd ../cloud; cargo make dev
+```
+
 In a new terminal, run two or more instances of Zed.
 
 ```sh
@@ -131,7 +149,7 @@ script/zed-local -3
 
 This script starts one to four instances of Zed, depending on the `-2`, `-3` or `-4` flags. Each instance will be connected to the local `collab` server, signed in as a different user from `.admins.json` or `.admins.default.json`.
 
-### On Windows
+### On Windows {#run-collab-windows}
 
 Since `foreman` is not available on Windows, you can run the following commands in separate terminals:
 
@@ -151,6 +169,12 @@ Otherwise,
 .\path\to\livekit-serve.exe --dev
 ```
 
+You'll also need to start the cloud server:
+
+```powershell
+cd ..\cloud; cargo make dev
+```
+
 In a new terminal, run two or more instances of Zed.
 
 ```powershell
@@ -161,7 +185,10 @@ Note that this requires `node.exe` to be in your `PATH`.
 
 ## Running a local collab server
 
-If you want to run your own version of the zed collaboration service, you can, but note that this is still under development, and there is no good support for authentication nor extensions.
+> [!NOTE]
+> Because of recent changes to our authentication system, Zed will not be able to authenticate itself with, and therefore use, a local collab server.
+
+If you want to run your own version of the zed collaboration service, you can, but note that this is still under development, and there is no support for authentication nor extensions.
 
 Configuration is done through environment variables. By default it will read the configuration from [`.env.toml`](https://github.com/zed-industries/zed/blob/main/crates/collab/.env.toml) and you should use that as a guide for setting this up.
 
diff --git a/docs/src/development/windows.md b/docs/src/development/windows.md
index ac38e4d7d6..551d5f9f21 100644
--- a/docs/src/development/windows.md
+++ b/docs/src/development/windows.md
@@ -114,19 +114,19 @@ cargo test --workspace
 
 ## Installing from msys2
 
-[MSYS2](https://msys2.org/) distribution provides Zed as a package [mingw-w64-zed](https://packages.msys2.org/base/mingw-w64-zed). The package is available for UCRT64, MINGW64 and CLANG64 repositories. To download it, run
+[MSYS2](https://msys2.org/) distribution provides Zed as a package [mingw-w64-zed](https://packages.msys2.org/base/mingw-w64-zed). The package is available for UCRT64, CLANG64 and CLANGARM64 repositories. To download it, run
 
 ```sh
 pacman -Syu
 pacman -S $MINGW_PACKAGE_PREFIX-zed
 ```
 
-then you can run `zeditor` CLI. Editor executable is installed under `$MINGW_PREFIX/lib/zed` directory
-
 You can see the [build script](https://github.com/msys2/MINGW-packages/blob/master/mingw-w64-zed/PKGBUILD) for more details on build process.
 
 > Please, report any issue in [msys2/MINGW-packages/issues](https://github.com/msys2/MINGW-packages/issues?q=is%3Aissue+is%3Aopen+zed) first.
 
+See also MSYS2 [documentation page](https://www.msys2.org/docs/ides-editors).
+
 Note that `collab` is not supported for MSYS2.
 
 ## Troubleshooting
diff --git a/docs/src/diagnostics.md b/docs/src/diagnostics.md
index a015fbebf8..9603c8197c 100644
--- a/docs/src/diagnostics.md
+++ b/docs/src/diagnostics.md
@@ -51,7 +51,7 @@ To configure, use
 
 ```json5
 "project_panel": {
-  "diagnostics": "all",
+  "show_diagnostics": "all",
 }
 ```
 
diff --git a/docs/src/extensions/developing-extensions.md b/docs/src/extensions/developing-extensions.md
index 97af1f2673..947956f5b7 100644
--- a/docs/src/extensions/developing-extensions.md
+++ b/docs/src/extensions/developing-extensions.md
@@ -19,10 +19,16 @@ Before starting to develop an extension for Zed, be sure to [install Rust via ru
 
 When developing an extension, you can use it in Zed without needing to publish it by installing it as a _dev extension_.
 
-From the extensions page, click the `Install Dev Extension` button and select the directory containing your extension.
+From the extensions page, click the `Install Dev Extension` button (or the {#action zed::InstallDevExtension} action) and select the directory containing your extension.
+
+If you need to troubleshoot, you can check the Zed.log ({#action zed::OpenLog}) for additional output. For debug output, close and relaunch zed with the `zed --foreground` from the command line which show more verbose INFO level logging.
 
 If you already have a published extension with the same name installed, your dev extension will override it.
 
+After installing the `Extensions` page will indicate that that the upstream extension is "Overridden by dev extension".
+
+Pre-installed extensions with the same name have to be uninstalled before installing the dev extension. See [#31106](https://github.com/zed-industries/zed/issues/31106) for more.
+
 ## Directory Structure of a Zed Extension
 
 A Zed extension is a Git repository that contains an `extension.toml`. This file must contain some
diff --git a/docs/src/extensions/languages.md b/docs/src/extensions/languages.md
index 44c673e3e1..6756cb8a23 100644
--- a/docs/src/extensions/languages.md
+++ b/docs/src/extensions/languages.md
@@ -402,11 +402,10 @@ If your language server supports additional languages, you can use `language_ids
 
 [language-servers.my-language-server]
 name = "Whatever LSP"
-languages = ["JavaScript", "JSX", "HTML", "CSS"]
+languages = ["JavaScript", "HTML", "CSS"]
 
 [language-servers.my-language-server.language_ids]
 "JavaScript" = "javascript"
-"JSX" = "javascriptreact"
 "TSX" = "typescriptreact"
 "HTML" = "html"
 "CSS" = "css"
diff --git a/docs/src/fonts.md b/docs/src/fonts.md
deleted file mode 100644
index 93c687b134..0000000000
--- a/docs/src/fonts.md
+++ /dev/null
@@ -1,56 +0,0 @@
-# Fonts
-
-<!--
-TBD: WIP. Zed Fonts documentation. This is currently not linked from SUMMARY.md are so unpublished.
--->
-
-Zed ships two fonts: Zed Plex Mono and Zed Plex Sans. These are based on IBM Plex Mono and IBM Plex Sans, respectively.
-
-<!--
-TBD: Document how Zed Plex font files were created. Repo links, etc.
--->
-
-## Settings
-
-<!--
-TBD: Explain various font settings in Zed.
--->
-
-- Buffer fonts
-  - `buffer-font-family`
-  - `buffer-font-features`
-  - `buffer-font-size`
-  - `buffer-line-height`
-- UI fonts
-  - `ui_font_family`
-  - `ui_font_fallbacks`
-  - `ui_font_features`
-  - `ui_font_weight`
-  - `ui_font_size`
-- Terminal fonts
-  - `terminal.font-size`
-  - `terminal.font-family`
-  - `terminal.font-features`
-
-## Old Zed Fonts
-
-Previously, Zed shipped with `Zed Mono` and `Zed Sans`, customized versions of the [Iosevka](https://typeof.net/Iosevka/) typeface. You can find more about them in the [zed-fonts](https://github.com/zed-industries/zed-fonts/) repository.
-
-Here's how you can use the old Zed fonts instead of `Zed Plex Mono` and `Zed Plex Sans`:
-
-1. Download [zed-app-fonts-1.2.0.zip](https://github.com/zed-industries/zed-fonts/releases/download/1.2.0/zed-app-fonts-1.2.0.zip) from the [zed-fonts releases](https://github.com/zed-industries/zed-fonts/releases) page.
-2. Open macOS `Font Book.app`
-3. Unzip the file and drag the `ttf` files into the Font Book app.
-4. Update your settings `ui_font_family` and `buffer_font_family` to use `Zed Mono` or `Zed Sans` in your `settings.json` file.
-
-```json
-{
-  "ui_font_family": "Zed Sans Extended",
-  "buffer_font_family": "Zed Mono Extend",
-  "terminal": {
-    "font-family": "Zed Mono Extended"
-  }
-}
-```
-
-5. Note there will be red squiggles under the font name. (this is a bug, but harmless.)
diff --git a/docs/src/helix.md b/docs/src/helix.md
new file mode 100644
index 0000000000..ddf997d3f0
--- /dev/null
+++ b/docs/src/helix.md
@@ -0,0 +1,11 @@
+# Helix Mode
+
+_Work in progress! Not all Helix keybindings are implemented yet._
+
+Zed's Helix mode is an emulation layer that brings Helix-style keybindings and modal editing to Zed. It builds upon Zed's [Vim mode](./vim.md), so much of the core functionality is shared. Enabling `helix_mode` will also enable `vim_mode`.
+
+For a guide on Vim-related features that are also available in Helix mode, please refer to our [Vim mode documentation](./vim.md).
+
+To check the current status of Helix mode, or to request a missing Helix feature, checkout out the ["Are we Helix yet?" discussion](https://github.com/zed-industries/zed/discussions/33580).
+
+For a detailed list of Helix's default keybindings, please visit the [official Helix documentation](https://docs.helix-editor.com/keymap.html).
diff --git a/docs/src/key-bindings.md b/docs/src/key-bindings.md
index 9984f234ad..838dceaa86 100644
--- a/docs/src/key-bindings.md
+++ b/docs/src/key-bindings.md
@@ -14,7 +14,7 @@ If you're used to a specific editor's defaults you can set a `base_keymap` in yo
 - TextMate
 - None (disables _all_ key bindings)
 
-You can also enable `vim_mode`, which adds vim bindings too.
+You can also enable `vim_mode` or `helix_mode`, which add modal bindings. For more information, see the documentation for [Vim mode](./vim.md) and [Helix mode](./helix.md).
 
 ## User keymaps
 
@@ -93,7 +93,7 @@ For example:
 # in an editor, it might look like this:
 Workspace os=macos keyboard_layout=com.apple.keylayout.QWERTY
   Pane
-    Editor mode=full extension=md inline_completion vim_mode=insert
+    Editor mode=full extension=md vim_mode=insert
 
 # in the project panel
 Workspace os=macos
@@ -119,7 +119,7 @@ It's worth noting that attributes are only available on the node they are define
 
 Note: Before Zed v0.197.x, the ! operator only looked at one node at a time, and `>` meant "parent" not "ancestor". This meant that `!Editor` would match the context `Workspace > Pane > Editor`, because (confusingly) the Pane matches `!Editor`, and that `os=macos > Editor` did not match the context `Workspace > Pane > Editor` because of the intermediate `Pane` node.
 
-If you're using Vim mode, we have information on how [vim modes influence the context](./vim.md#contexts)
+If you're using Vim mode, we have information on how [vim modes influence the context](./vim.md#contexts). Helix mode is built on top of Vim mode and uses the same contexts.
 
 ### Actions
 
@@ -225,12 +225,14 @@ A common request is to be able to map from a single keystroke to a sequence. You
 [
   {
     "bindings": {
+      // Move down four times
       "alt-down": ["workspace::SendKeystrokes", "down down down down"],
+      // Expand the selection (editor::SelectLargerSyntaxNode);
+      // copy to the clipboard; and then undo the selection expansion.
       "cmd-alt-c": [
         "workspace::SendKeystrokes",
-        "cmd-shift-p copy relative path enter"
-      ],
-      "cmd-alt-r": ["workspace::SendKeystrokes", "cmd-p README enter"]
+        "ctrl-shift-right ctrl-shift-right ctrl-shift-right cmd-c ctrl-shift-left ctrl-shift-left ctrl-shift-left"
+      ]
     }
   },
   {
diff --git a/docs/src/languages/emmet.md b/docs/src/languages/emmet.md
index 1a76291ad4..73e34c209f 100644
--- a/docs/src/languages/emmet.md
+++ b/docs/src/languages/emmet.md
@@ -1,5 +1,7 @@
 # Emmet
 
+Emmet support is available through the [Emmet extension](https://github.com/zed-extensions/emmet).
+
 [Emmet](https://emmet.io/) is a web-developer’s toolkit that can greatly improve your HTML & CSS workflow.
 
 - Language Server: [olrtg/emmet-language-server](https://github.com/olrtg/emmet-language-server)
diff --git a/docs/src/languages/ruby.md b/docs/src/languages/ruby.md
index 6f530433bd..ef4b026db1 100644
--- a/docs/src/languages/ruby.md
+++ b/docs/src/languages/ruby.md
@@ -299,6 +299,7 @@ To run tests in your Ruby project, you can set up custom tasks in your local `.z
       "-n",
       "\"$ZED_CUSTOM_RUBY_TEST_NAME\""
     ],
+    "cwd": "$ZED_WORKTREE_ROOT",
     "tags": ["ruby-test"]
   }
 ]
@@ -321,6 +322,7 @@ Plain minitest does not support running tests by line number, only by name, so w
       "-n",
       "\"$ZED_CUSTOM_RUBY_TEST_NAME\""
     ],
+    "cwd": "$ZED_WORKTREE_ROOT",
     "tags": ["ruby-test"]
   }
 ]
@@ -334,6 +336,7 @@ Plain minitest does not support running tests by line number, only by name, so w
     "label": "test $ZED_RELATIVE_FILE:$ZED_ROW",
     "command": "bundle",
     "args": ["exec", "rspec", "\"$ZED_RELATIVE_FILE:$ZED_ROW\""],
+    "cwd": "$ZED_WORKTREE_ROOT",
     "tags": ["ruby-test"]
   }
 ]
@@ -369,7 +372,7 @@ The Ruby extension provides a debug adapter for debugging Ruby code. Zed's name
     "label": "Debug Rails server",
     "adapter": "rdbg",
     "request": "launch",
-    "command": "$ZED_WORKTREE_ROOT/bin/rails",
+    "command": "./bin/rails",
     "args": ["server"],
     "cwd": "$ZED_WORKTREE_ROOT",
     "env": {
diff --git a/docs/src/languages/rust.md b/docs/src/languages/rust.md
index 1ee25a37b5..0bfa3ecac7 100644
--- a/docs/src/languages/rust.md
+++ b/docs/src/languages/rust.md
@@ -136,22 +136,7 @@ This is enabled by default and can be configured as
 ## Manual Cargo Diagnostics fetch
 
 By default, rust-analyzer has `checkOnSave: true` enabled, which causes every buffer save to trigger a `cargo check --workspace --all-targets` command.
-For lager projects this might introduce excessive wait times, so a more fine-grained triggering could be enabled by altering the
-
-```json
-"diagnostics": {
-  "cargo": {
-    // When enabled, Zed disables rust-analyzer's check on save and starts to query
-    // Cargo diagnostics separately.
-    "fetch_cargo_diagnostics": false
-  }
-}
-```
-
-default settings.
-
-This will stop rust-analyzer from running `cargo check ...` on save, yet still allow to run
-`editor: run/clear/cancel flycheck` commands in Rust files to refresh cargo diagnostics; the project diagnostics editor will also refresh cargo diagnostics with `editor: run flycheck` command when the setting is enabled.
+If disabled with `checkOnSave: false` (see the example of the server configuration json above), it's still possible to fetch the diagnostics manually, with the `editor: run/clear/cancel flycheck` commands in Rust files to refresh cargo diagnostics; the project diagnostics editor will also refresh cargo diagnostics with `editor: run flycheck` command when the setting is enabled.
 
 ## More server configuration
 
@@ -326,7 +311,7 @@ When you use `cargo build` or `cargo test` as the build command, Zed can infer t
 [
   {
     "label": "Build & Debug native binary",
-    "adapter": "CodeLLDB"
+    "adapter": "CodeLLDB",
     "build": {
       "command": "cargo",
       "args": ["build"]
diff --git a/docs/src/linux.md b/docs/src/linux.md
index 309354de6d..4a66445b78 100644
--- a/docs/src/linux.md
+++ b/docs/src/linux.md
@@ -48,7 +48,6 @@ There are several third-party Zed packages for various Linux distributions and p
 - Manjaro: [`zed`](https://packages.manjaro.org/?query=zed)
 - ALT Linux (Sisyphus): [`zed`](https://packages.altlinux.org/en/sisyphus/srpms/zed/)
 - AOSC OS: [`zed`](https://packages.aosc.io/packages/zed)
-- openSUSE Tumbleweed: [`zed`](https://en.opensuse.org/Zed)
 
 See [Repology](https://repology.org/project/zed-editor/versions) for a list of Zed packages in various repositories.
 
diff --git a/docs/src/tasks.md b/docs/src/tasks.md
index 9550563432..bff3eac860 100644
--- a/docs/src/tasks.md
+++ b/docs/src/tasks.md
@@ -45,9 +45,9 @@ Zed supports ways to spawn (and rerun) commands using its integrated terminal to
     // Whether to show the task line in the output of the spawned task, defaults to `true`.
     "show_summary": true,
     // Whether to show the command line in the output of the spawned task, defaults to `true`.
-    "show_output": true,
+    "show_output": true
     // Represents the tags for inline runnable indicators, or spawning multiple tasks at once.
-    "tags": []
+    // "tags": []
   }
 ]
 ```
diff --git a/docs/src/telemetry.md b/docs/src/telemetry.md
index 7f5994be0c..46c39a88ae 100644
--- a/docs/src/telemetry.md
+++ b/docs/src/telemetry.md
@@ -4,7 +4,8 @@ Zed collects anonymous telemetry data to help the team understand how people are
 
 ## Configuring Telemetry Settings
 
-You have full control over what data is sent out by Zed. To enable or disable some or all telemetry types, open your `settings.json` file via {#action zed::OpenSettings}({#kb zed::OpenSettings}) from the command palette.
+You have full control over what data is sent out by Zed.
+To enable or disable some or all telemetry types, open your `settings.json` file via {#action zed::OpenSettings}({#kb zed::OpenSettings}) from the command palette.
 
 Insert and tweak the following:
 
@@ -15,13 +16,11 @@ Insert and tweak the following:
 },
 ```
 
-The telemetry settings can also be configured via the welcome screen, which can be invoked via the {#action workspace::Welcome} action in the command palette.
-
 ## Dataflow
 
 Telemetry is sent from the application to our servers. Data is proxied through our servers to enable us to easily switch analytics services. We currently use:
 
-- [Axiom](https://axiom.co): Cloud-monitoring service - stores diagnostic events
+- [Sentry](https://sentry.io): Crash-monitoring service - stores diagnostic events
 - [Snowflake](https://snowflake.com): Data warehouse - stores both diagnostic and metric events
 - [Hex](https://www.hex.tech): Dashboards and data exploration - accesses data stored in Snowflake
 - [Amplitude](https://www.amplitude.com): Dashboards and data exploration - accesses data stored in Snowflake
@@ -30,9 +29,9 @@ Telemetry is sent from the application to our servers. Data is proxied through o
 
 ### Diagnostics
 
-Diagnostic events include debug information (stack traces) from crash reports. Reports are sent on the first application launch after the crash occurred. We've built dashboards that allow us to visualize the frequency and severity of issues experienced by users. Having these reports sent automatically allows us to begin implementing fixes without the user needing to file a report in our issue tracker. The plots in the dashboards also give us an informal measurement of the stability of Zed.
+Crash reports consist of a [minidump](https://learn.microsoft.com/en-us/windows/win32/debug/minidump-files) and some extra debug information. Reports are sent on the first application launch after the crash occurred. We've built dashboards that allow us to visualize the frequency and severity of issues experienced by users. Having these reports sent automatically allows us to begin implementing fixes without the user needing to file a report in our issue tracker. The plots in the dashboards also give us an informal measurement of the stability of Zed.
 
-You can see what data is sent when a panic occurs by inspecting the `Panic` struct in [crates/telemetry_events/src/telemetry_events.rs](https://github.com/zed-industries/zed/blob/main/crates/telemetry_events/src/telemetry_events.rs) in the Zed repo. You can find additional information in the [Debugging Crashes](./development/debugging-crashes.md) documentation.
+You can see what extra data is sent alongside the minidump in the `Panic` struct in [crates/telemetry_events/src/telemetry_events.rs](https://github.com/zed-industries/zed/blob/main/crates/telemetry_events/src/telemetry_events.rs) in the Zed repo. You can find additional information in the [Debugging Crashes](./development/debugging-crashes.md) documentation.
 
 ### Client-Side Usage Data {#client-metrics}
 
diff --git a/docs/src/visual-customization.md b/docs/src/visual-customization.md
index 8b307d97d5..4fc5a9ba88 100644
--- a/docs/src/visual-customization.md
+++ b/docs/src/visual-customization.md
@@ -39,13 +39,15 @@ If you would like to use distinct themes for light mode/dark mode that can be se
 ## Fonts
 
 ```json
-  // UI Font. Use ".SystemUIFont" to use the default system font (SF Pro on macOS)
-  "ui_font_family": "Zed Plex Sans",
+  // UI Font. Use ".SystemUIFont" to use the default system font (SF Pro on macOS),
+  // or ".ZedSans" for the bundled default (currently IBM Plex)
+  "ui_font_family": ".SystemUIFont",
   "ui_font_weight": 400, // Font weight in standard CSS units from 100 to 900.
   "ui_font_size": 16,
 
   // Buffer Font - Used by editor buffers
-  "buffer_font_family": "Zed Plex Mono",  // Font name for editor buffers
+  // use ".ZedMono" for the bundled default monospace (currently Lilex)
+  "buffer_font_family": "Berkeley Mono", // Font name for editor buffers
   "buffer_font_size": 15,                 // Font size for editor buffers
   "buffer_font_weight": 400,              // Font weight in CSS units [100-900]
   // Line height "comfortable" (1.618), "standard" (1.3) or custom: `{ "custom": 2 }`
@@ -53,7 +55,7 @@ If you would like to use distinct themes for light mode/dark mode that can be se
 
   // Terminal Font Settings
   "terminal": {
-    "font_family": "Zed Plex Mono",
+    "font_family": "",
     "font_size": 15,
     // Terminal line height: comfortable (1.618), standard(1.3) or `{ "custom": 2 }`
     "line_height": "comfortable",
@@ -223,6 +225,7 @@ TBD: Centered layout related settings
       "enabled": true,             // Show/hide inline blame
       "delay": 0,                  // Show after delay (ms)
       "min_column": 0,             // Minimum column to inline display blame
+      "padding": 7,                // Padding between code and inline blame (em)
       "show_commit_summary": false // Show/hide commit summary
     },
     "hunk_style": "staged_hollow"  // staged_hollow, unstaged_hollow
@@ -305,6 +308,27 @@ TBD: Centered layout related settings
   }
 ```
 
+### Status Bar
+
+```json
+  "status_bar": {
+    // Show/hide a button that displays the active buffer's language.
+    // Clicking the button brings up the language selector.
+    // Defaults to true.
+    "active_language_button": true,
+    // Show/hide a button that displays the cursor's position.
+    // Clicking the button brings up an input for jumping to a line and column.
+    // Defaults to true.
+    "cursor_position_button": true,
+  },
+  "global_lsp_settings": {
+    // Show/hide the LSP button in the status bar.
+    // Activity from the LSP is still shown.
+    // Button is not shown if "enable_language_server" if false.
+    "button": true
+  },
+```
+
 ### Multibuffer
 
 ```json
@@ -406,6 +430,8 @@ Project panel can be shown/hidden with {#action project_panel::ToggleFocus} ({#k
     "indent_size": 20,              // Pixels for each successive indent
     "auto_reveal_entries": true,    // Show file in panel when activating its buffer
     "auto_fold_dirs": true,         // Fold dirs with single subdir
+    "sticky_scroll": true,          // Stick parent directories at top of the project panel.
+    "drag_and_drop": true,          // Whether drag and drop is enabled
     "scrollbar": {                  // Project panel scrollbar settings
       "show": null                  // Show/hide: (auto, system, always, never)
     },
@@ -461,7 +487,7 @@ See [Zed AI Documentation](./ai/overview.md) for additional non-visual AI settin
       "show": null                       // Show/hide: (auto, system, always, never)
     },
     // Terminal Font Settings
-    "font_family": "Zed Plex Mono",
+    "font_family": "Fira Code",
     "font_size": 15,
     "font_weight": 400,
     // Terminal line height: comfortable (1.618), standard(1.3) or `{ "custom": 2 }`
diff --git a/extensions/emmet/.gitignore b/extensions/emmet/.gitignore
deleted file mode 100644
index 62c0add260..0000000000
--- a/extensions/emmet/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-*.wasm
-grammars
-target
diff --git a/extensions/emmet/Cargo.toml b/extensions/emmet/Cargo.toml
deleted file mode 100644
index 9d72a6c5c4..0000000000
--- a/extensions/emmet/Cargo.toml
+++ /dev/null
@@ -1,16 +0,0 @@
-[package]
-name = "zed_emmet"
-version = "0.0.4"
-edition.workspace = true
-publish.workspace = true
-license = "Apache-2.0"
-
-[lints]
-workspace = true
-
-[lib]
-path = "src/emmet.rs"
-crate-type = ["cdylib"]
-
-[dependencies]
-zed_extension_api = "0.1.0"
diff --git a/extensions/emmet/LICENSE-APACHE b/extensions/emmet/LICENSE-APACHE
deleted file mode 120000
index 1cd601d0a3..0000000000
--- a/extensions/emmet/LICENSE-APACHE
+++ /dev/null
@@ -1 +0,0 @@
-../../LICENSE-APACHE
\ No newline at end of file
diff --git a/extensions/emmet/extension.toml b/extensions/emmet/extension.toml
deleted file mode 100644
index 99aa80a2d4..0000000000
--- a/extensions/emmet/extension.toml
+++ /dev/null
@@ -1,23 +0,0 @@
-id = "emmet"
-name = "Emmet"
-description = "Emmet support"
-version = "0.0.4"
-schema_version = 1
-authors = ["Piotr Osiewicz <piotr@zed.dev>"]
-repository = "https://github.com/zed-industries/zed"
-
-[language_servers.emmet-language-server]
-name = "Emmet Language Server"
-language = "HTML"
-languages = ["HTML", "PHP", "ERB", "HTML/ERB", "JavaScript", "TSX", "CSS", "HEEX", "Elixir"]
-
-[language_servers.emmet-language-server.language_ids]
-"HTML" = "html"
-"PHP" = "php"
-"ERB" = "eruby"
-"HTML/ERB" = "eruby"
-"JavaScript" = "javascriptreact"
-"TSX" = "typescriptreact"
-"CSS" = "css"
-"HEEX" = "heex"
-"Elixir" = "heex"
diff --git a/extensions/emmet/src/emmet.rs b/extensions/emmet/src/emmet.rs
deleted file mode 100644
index 83fe809c34..0000000000
--- a/extensions/emmet/src/emmet.rs
+++ /dev/null
@@ -1,85 +0,0 @@
-use std::{env, fs};
-use zed_extension_api::{self as zed, Result};
-
-struct EmmetExtension {
-    did_find_server: bool,
-}
-
-const SERVER_PATH: &str = "node_modules/.bin/emmet-language-server";
-const PACKAGE_NAME: &str = "@olrtg/emmet-language-server";
-
-impl EmmetExtension {
-    fn server_exists(&self) -> bool {
-        fs::metadata(SERVER_PATH).map_or(false, |stat| stat.is_file())
-    }
-
-    fn server_script_path(&mut self, language_server_id: &zed::LanguageServerId) -> Result<String> {
-        let server_exists = self.server_exists();
-        if self.did_find_server && server_exists {
-            return Ok(SERVER_PATH.to_string());
-        }
-
-        zed::set_language_server_installation_status(
-            language_server_id,
-            &zed::LanguageServerInstallationStatus::CheckingForUpdate,
-        );
-        let version = zed::npm_package_latest_version(PACKAGE_NAME)?;
-
-        if !server_exists
-            || zed::npm_package_installed_version(PACKAGE_NAME)?.as_ref() != Some(&version)
-        {
-            zed::set_language_server_installation_status(
-                language_server_id,
-                &zed::LanguageServerInstallationStatus::Downloading,
-            );
-            let result = zed::npm_install_package(PACKAGE_NAME, &version);
-            match result {
-                Ok(()) => {
-                    if !self.server_exists() {
-                        Err(format!(
-                            "installed package '{PACKAGE_NAME}' did not contain expected path '{SERVER_PATH}'",
-                        ))?;
-                    }
-                }
-                Err(error) => {
-                    if !self.server_exists() {
-                        Err(error)?;
-                    }
-                }
-            }
-        }
-
-        self.did_find_server = true;
-        Ok(SERVER_PATH.to_string())
-    }
-}
-
-impl zed::Extension for EmmetExtension {
-    fn new() -> Self {
-        Self {
-            did_find_server: false,
-        }
-    }
-
-    fn language_server_command(
-        &mut self,
-        language_server_id: &zed::LanguageServerId,
-        _worktree: &zed::Worktree,
-    ) -> Result<zed::Command> {
-        let server_path = self.server_script_path(language_server_id)?;
-        Ok(zed::Command {
-            command: zed::node_binary_path()?,
-            args: vec![
-                env::current_dir()
-                    .unwrap()
-                    .join(&server_path)
-                    .to_string_lossy()
-                    .to_string(),
-                "--stdio".to_string(),
-            ],
-            env: Default::default(),
-        })
-    }
-}
-
-zed::register_extension!(EmmetExtension);
diff --git a/extensions/glsl/src/glsl.rs b/extensions/glsl/src/glsl.rs
index a42403ebef..77865564cc 100644
--- a/extensions/glsl/src/glsl.rs
+++ b/extensions/glsl/src/glsl.rs
@@ -16,10 +16,10 @@ impl GlslExtension {
             return Ok(path);
         }
 
-        if let Some(path) = &self.cached_binary_path {
-            if fs::metadata(path).map_or(false, |stat| stat.is_file()) {
-                return Ok(path.clone());
-            }
+        if let Some(path) = &self.cached_binary_path
+            && fs::metadata(path).is_ok_and(|stat| stat.is_file())
+        {
+            return Ok(path.clone());
         }
 
         zed::set_language_server_installation_status(
@@ -60,7 +60,7 @@ impl GlslExtension {
             .map_err(|err| format!("failed to create directory '{version_dir}': {err}"))?;
         let binary_path = format!("{version_dir}/bin/glsl_analyzer");
 
-        if !fs::metadata(&binary_path).map_or(false, |stat| stat.is_file()) {
+        if !fs::metadata(&binary_path).is_ok_and(|stat| stat.is_file()) {
             zed::set_language_server_installation_status(
                 language_server_id,
                 &zed::LanguageServerInstallationStatus::Downloading,
@@ -119,7 +119,7 @@ impl zed::Extension for GlslExtension {
     ) -> Result<Option<serde_json::Value>> {
         let settings = LspSettings::for_worktree("glsl_analyzer", worktree)
             .ok()
-            .and_then(|lsp_settings| lsp_settings.settings.clone())
+            .and_then(|lsp_settings| lsp_settings.settings)
             .unwrap_or_default();
 
         Ok(Some(serde_json::json!({
diff --git a/extensions/html/src/html.rs b/extensions/html/src/html.rs
index 44ec4fe4b9..371824c830 100644
--- a/extensions/html/src/html.rs
+++ b/extensions/html/src/html.rs
@@ -13,7 +13,7 @@ struct HtmlExtension {
 
 impl HtmlExtension {
     fn server_exists(&self) -> bool {
-        fs::metadata(SERVER_PATH).map_or(false, |stat| stat.is_file())
+        fs::metadata(SERVER_PATH).is_ok_and(|stat| stat.is_file())
     }
 
     fn server_script_path(&mut self, language_server_id: &LanguageServerId) -> Result<String> {
@@ -94,7 +94,7 @@ impl zed::Extension for HtmlExtension {
     ) -> Result<Option<zed::serde_json::Value>> {
         let settings = LspSettings::for_worktree(server_id.as_ref(), worktree)
             .ok()
-            .and_then(|lsp_settings| lsp_settings.settings.clone())
+            .and_then(|lsp_settings| lsp_settings.settings)
             .unwrap_or_default();
         Ok(Some(settings))
     }
diff --git a/extensions/ruff/Cargo.toml b/extensions/ruff/Cargo.toml
index 830897279a..24616f963b 100644
--- a/extensions/ruff/Cargo.toml
+++ b/extensions/ruff/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "zed_ruff"
-version = "0.1.0"
+version = "0.1.1"
 edition.workspace = true
 publish.workspace = true
 license = "Apache-2.0"
diff --git a/extensions/ruff/extension.toml b/extensions/ruff/extension.toml
index 63929fc191..1f5a7314f4 100644
--- a/extensions/ruff/extension.toml
+++ b/extensions/ruff/extension.toml
@@ -1,7 +1,7 @@
 id = "ruff"
 name = "Ruff"
 description = "Support for Ruff, the Python linter and formatter"
-version = "0.1.0"
+version = "0.1.1"
 schema_version = 1
 authors = []
 repository = "https://github.com/zed-industries/zed"
diff --git a/extensions/ruff/src/ruff.rs b/extensions/ruff/src/ruff.rs
index da9b6c0bf1..cc3c3f6550 100644
--- a/extensions/ruff/src/ruff.rs
+++ b/extensions/ruff/src/ruff.rs
@@ -38,13 +38,13 @@ impl RuffExtension {
             });
         }
 
-        if let Some(path) = &self.cached_binary_path {
-            if fs::metadata(path).map_or(false, |stat| stat.is_file()) {
-                return Ok(RuffBinary {
-                    path: path.clone(),
-                    args: binary_args,
-                });
-            }
+        if let Some(path) = &self.cached_binary_path
+            && fs::metadata(path).is_ok_and(|stat| stat.is_file())
+        {
+            return Ok(RuffBinary {
+                path: path.clone(),
+                args: binary_args,
+            });
         }
 
         zed::set_language_server_installation_status(
@@ -94,7 +94,7 @@ impl RuffExtension {
             _ => format!("{version_dir}/{asset_stem}/ruff"),
         };
 
-        if !fs::metadata(&binary_path).map_or(false, |stat| stat.is_file()) {
+        if !fs::metadata(&binary_path).is_ok_and(|stat| stat.is_file()) {
             zed::set_language_server_installation_status(
                 language_server_id,
                 &zed::LanguageServerInstallationStatus::Downloading,
@@ -151,7 +151,7 @@ impl zed::Extension for RuffExtension {
     ) -> Result<Option<zed_extension_api::serde_json::Value>> {
         let settings = LspSettings::for_worktree(server_id.as_ref(), worktree)
             .ok()
-            .and_then(|lsp_settings| lsp_settings.initialization_options.clone())
+            .and_then(|lsp_settings| lsp_settings.initialization_options)
             .unwrap_or_default();
         Ok(Some(settings))
     }
@@ -163,7 +163,7 @@ impl zed::Extension for RuffExtension {
     ) -> Result<Option<zed_extension_api::serde_json::Value>> {
         let settings = LspSettings::for_worktree(server_id.as_ref(), worktree)
             .ok()
-            .and_then(|lsp_settings| lsp_settings.settings.clone())
+            .and_then(|lsp_settings| lsp_settings.settings)
             .unwrap_or_default();
         Ok(Some(settings))
     }
diff --git a/extensions/snippets/src/snippets.rs b/extensions/snippets/src/snippets.rs
index 46ba746930..05e1ebca38 100644
--- a/extensions/snippets/src/snippets.rs
+++ b/extensions/snippets/src/snippets.rs
@@ -17,10 +17,10 @@ impl SnippetExtension {
             return Ok(path);
         }
 
-        if let Some(path) = &self.cached_binary_path {
-            if fs::metadata(path).map_or(false, |stat| stat.is_file()) {
-                return Ok(path.clone());
-            }
+        if let Some(path) = &self.cached_binary_path
+            && fs::metadata(path).is_ok_and(|stat| stat.is_file())
+        {
+            return Ok(path.clone());
         }
 
         zed::set_language_server_installation_status(
@@ -59,7 +59,7 @@ impl SnippetExtension {
         let version_dir = format!("simple-completion-language-server-{}", release.version);
         let binary_path = format!("{version_dir}/simple-completion-language-server");
 
-        if !fs::metadata(&binary_path).map_or(false, |stat| stat.is_file()) {
+        if !fs::metadata(&binary_path).is_ok_and(|stat| stat.is_file()) {
             zed::set_language_server_installation_status(
                 language_server_id,
                 &zed::LanguageServerInstallationStatus::Downloading,
@@ -113,7 +113,7 @@ impl zed::Extension for SnippetExtension {
     ) -> Result<Option<zed_extension_api::serde_json::Value>> {
         let settings = LspSettings::for_worktree(server_id.as_ref(), worktree)
             .ok()
-            .and_then(|lsp_settings| lsp_settings.settings.clone())
+            .and_then(|lsp_settings| lsp_settings.settings)
             .unwrap_or_else(|| {
                 json!({
                     "max_completion_items": 20,
diff --git a/extensions/test-extension/src/test_extension.rs b/extensions/test-extension/src/test_extension.rs
index 5b6a3f920a..ee0b1b36a1 100644
--- a/extensions/test-extension/src/test_extension.rs
+++ b/extensions/test-extension/src/test_extension.rs
@@ -18,10 +18,10 @@ impl TestExtension {
 
         println!("{}", String::from_utf8_lossy(&echo_output.stdout));
 
-        if let Some(path) = &self.cached_binary_path {
-            if fs::metadata(path).map_or(false, |stat| stat.is_file()) {
-                return Ok(path.clone());
-            }
+        if let Some(path) = &self.cached_binary_path
+            && fs::metadata(path).is_ok_and(|stat| stat.is_file())
+        {
+            return Ok(path.clone());
         }
 
         zed::set_language_server_installation_status(
@@ -61,7 +61,7 @@ impl TestExtension {
         let version_dir = format!("gleam-{}", release.version);
         let binary_path = format!("{version_dir}/gleam");
 
-        if !fs::metadata(&binary_path).map_or(false, |stat| stat.is_file()) {
+        if !fs::metadata(&binary_path).is_ok_and(|stat| stat.is_file()) {
             zed::set_language_server_installation_status(
                 language_server_id,
                 &zed::LanguageServerInstallationStatus::Downloading,
diff --git a/extensions/toml/src/toml.rs b/extensions/toml/src/toml.rs
index 20f27b6d97..c9b96aecac 100644
--- a/extensions/toml/src/toml.rs
+++ b/extensions/toml/src/toml.rs
@@ -39,13 +39,13 @@ impl TomlExtension {
             });
         }
 
-        if let Some(path) = &self.cached_binary_path {
-            if fs::metadata(path).map_or(false, |stat| stat.is_file()) {
-                return Ok(TaploBinary {
-                    path: path.clone(),
-                    args: binary_args,
-                });
-            }
+        if let Some(path) = &self.cached_binary_path
+            && fs::metadata(path).is_ok_and(|stat| stat.is_file())
+        {
+            return Ok(TaploBinary {
+                path: path.clone(),
+                args: binary_args,
+            });
         }
 
         zed::set_language_server_installation_status(
@@ -93,7 +93,7 @@ impl TomlExtension {
             }
         );
 
-        if !fs::metadata(&binary_path).map_or(false, |stat| stat.is_file()) {
+        if !fs::metadata(&binary_path).is_ok_and(|stat| stat.is_file()) {
             zed::set_language_server_installation_status(
                 language_server_id,
                 &zed::LanguageServerInstallationStatus::Downloading,
diff --git a/flake.lock b/flake.lock
index fa0d51d90d..80022f7b55 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "crane": {
       "locked": {
-        "lastModified": 1750266157,
-        "narHash": "sha256-tL42YoNg9y30u7zAqtoGDNdTyXTi8EALDeCB13FtbQA=",
+        "lastModified": 1754269165,
+        "narHash": "sha256-0tcS8FHd4QjbCVoxN9jI+PjHgA4vc/IjkUSp+N3zy0U=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "e37c943371b73ed87faf33f7583860f81f1d5a48",
+        "rev": "444e81206df3f7d92780680e45858e31d2f07a08",
         "type": "github"
       },
       "original": {
@@ -33,10 +33,10 @@
     "nixpkgs": {
       "locked": {
         "lastModified": 315532800,
-        "narHash": "sha256-j+zO+IHQ7VwEam0pjPExdbLT2rVioyVS3iq4bLO3GEc=",
-        "rev": "61c0f513911459945e2cb8bf333dc849f1b976ff",
+        "narHash": "sha256-5VYevX3GccubYeccRGAXvCPA1ktrGmIX1IFC0icX07g=",
+        "rev": "a683adc19ff5228af548c6539dbc3440509bfed3",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre821324.61c0f5139114/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre840248.a683adc19ff5/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
@@ -58,11 +58,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1750964660,
-        "narHash": "sha256-YQ6EyFetjH1uy5JhdhRdPe6cuNXlYpMAQePFfZj4W7M=",
+        "lastModified": 1754575663,
+        "narHash": "sha256-afOx8AG0KYtw7mlt6s6ahBBy7eEHZwws3iCRoiuRQS4=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "04f0fcfb1a50c63529805a798b4b5c21610ff390",
+        "rev": "6db0fb0e9cec2e9729dc52bf4898e6c135bb8a0f",
         "type": "github"
       },
       "original": {
diff --git a/nix/build.nix b/nix/build.nix
index 873431a427..03403cc1c9 100644
--- a/nix/build.nix
+++ b/nix/build.nix
@@ -171,8 +171,8 @@ let
         ZSTD_SYS_USE_PKG_CONFIG = true;
         FONTCONFIG_FILE = makeFontsConf {
           fontDirectories = [
-            ../assets/fonts/plex-mono
-            ../assets/fonts/plex-sans
+            ../assets/fonts/lilex
+            ../assets/fonts/ibm-plex-sans
           ];
         };
         ZED_UPDATE_EXPLANATION = "Zed has been installed using Nix. Auto-updates have thus been disabled.";
@@ -298,6 +298,7 @@ craneLib.buildPackage (
             export APP_ARGS="%U"
             mkdir -p "$out/share/applications"
             ${lib.getExe envsubst} < "crates/zed/resources/zed.desktop.in" > "$out/share/applications/dev.zed.Zed-Nightly.desktop"
+            chmod +x "$out/share/applications/dev.zed.Zed-Nightly.desktop"
           )
 
           runHook postInstall
diff --git a/nix/shell.nix b/nix/shell.nix
index b78eb5c001..b6f1efd366 100644
--- a/nix/shell.nix
+++ b/nix/shell.nix
@@ -46,8 +46,8 @@
       # outside the nix store instead of to `$src`
       FONTCONFIG_FILE = makeFontsConf {
         fontDirectories = [
-          "./assets/fonts/plex-mono"
-          "./assets/fonts/plex-sans"
+          "./assets/fonts/lilex"
+          "./assets/fonts/ibm-plex-sans"
         ];
       };
       PROTOC = "${protobuf}/bin/protoc";
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index f80eab8fbc..2c909e0e1e 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,13 +1,8 @@
 [toolchain]
-channel = "1.88"
+channel = "1.89"
 profile = "minimal"
 components = [ "rustfmt", "clippy" ]
 targets = [
-    "x86_64-apple-darwin",
-    "aarch64-apple-darwin",
-    "x86_64-unknown-freebsd",
-    "x86_64-unknown-linux-gnu",
-    "x86_64-pc-windows-msvc",
     "wasm32-wasip2", # extensions
     "x86_64-unknown-linux-musl", # remote server
 ]
diff --git a/script/bundle-freebsd b/script/bundle-freebsd
index 7222a06256..87c9459ffb 100755
--- a/script/bundle-freebsd
+++ b/script/bundle-freebsd
@@ -138,6 +138,7 @@ fi
 
 # mkdir -p "${zed_dir}/share/applications"
 # envsubst <"crates/zed/resources/zed.desktop.in" >"${zed_dir}/share/applications/zed$suffix.desktop"
+# chmod +x "${zed_dir}/share/applications/zed$suffix.desktop"
 
 # Copy generated licenses so they'll end up in archive too
 # cp "assets/licenses.md" "${zed_dir}/licenses.md"
diff --git a/script/bundle-linux b/script/bundle-linux
index 64de62ce9b..ad67b7a0f7 100755
--- a/script/bundle-linux
+++ b/script/bundle-linux
@@ -179,6 +179,7 @@ fi
 
 mkdir -p "${zed_dir}/share/applications"
 envsubst < "crates/zed/resources/zed.desktop.in" > "${zed_dir}/share/applications/zed$suffix.desktop"
+chmod +x "${zed_dir}/share/applications/zed$suffix.desktop"
 
 # Copy generated licenses so they'll end up in archive too
 cp "assets/licenses.md" "${zed_dir}/licenses.md"
diff --git a/script/bundle-mac b/script/bundle-mac
index b2be573235..f2a5bf313d 100755
--- a/script/bundle-mac
+++ b/script/bundle-mac
@@ -207,7 +207,7 @@ function prepare_binaries() {
     rm -f target/${architecture}/${target_dir}/Zed.dwarf.gz
 
     echo "Gzipping dSYMs for $architecture"
-    gzip -f target/${architecture}/${target_dir}/Zed.dwarf
+    gzip -kf target/${architecture}/${target_dir}/Zed.dwarf
 
     echo "Uploading dSYMs${architecture} for $architecture to by-uuid/${uuid}.dwarf.gz"
     upload_to_blob_store_public \
@@ -367,19 +367,25 @@ else
     gzip -f --stdout --best target/aarch64-apple-darwin/release/remote_server > target/zed-remote-server-macos-aarch64.gz
 fi
 
-# Upload debug info to sentry.io
-if ! command -v sentry-cli >/dev/null 2>&1; then
-    echo "sentry-cli not found. skipping sentry upload."
-    echo "install with: 'curl -sL https://sentry.io/get-cli | bash'"
-else
+function upload_debug_info() {
+    architecture=$1
     if [[ -n "${SENTRY_AUTH_TOKEN:-}" ]]; then
         echo "Uploading zed debug symbols to sentry..."
         # note: this uploads the unstripped binary which is needed because it contains
         # .eh_frame data for stack unwinindg. see https://github.com/getsentry/symbolic/issues/783
         sentry-cli debug-files upload --include-sources --wait -p zed -o zed-dev \
-            "target/x86_64-apple-darwin/${target_dir}/" \
-            "target/aarch64-apple-darwin/${target_dir}/"
+            "target/${architecture}/${target_dir}/zed" \
+            "target/${architecture}/${target_dir}/remote_server" \
+            "target/${architecture}/${target_dir}/zed.dwarf"
     else
         echo "missing SENTRY_AUTH_TOKEN. skipping sentry upload."
     fi
+}
+
+if command -v sentry-cli >/dev/null 2>&1; then
+    upload_debug_info "aarch64-apple-darwin"
+    upload_debug_info "x86_64-apple-darwin"
+else
+    echo "sentry-cli not found. skipping sentry upload."
+    echo "install with: 'curl -sL https://sentry.io/get-cli | bash'"
 fi
diff --git a/script/install.sh b/script/install.sh
index 9cd21119b7..feb140c984 100755
--- a/script/install.sh
+++ b/script/install.sh
@@ -9,7 +9,12 @@ main() {
     platform="$(uname -s)"
     arch="$(uname -m)"
     channel="${ZED_CHANNEL:-stable}"
-    temp="$(mktemp -d "/tmp/zed-XXXXXX")"
+    # Use TMPDIR if available (for environments with non-standard temp directories)
+    if [ -n "${TMPDIR:-}" ] && [ -d "${TMPDIR}" ]; then
+        temp="$(mktemp -d "$TMPDIR/zed-XXXXXX")"
+    else
+        temp="$(mktemp -d "/tmp/zed-XXXXXX")"
+    fi
 
     if [ "$platform" = "Darwin" ]; then
         platform="macos"
diff --git a/script/lib/deploy-helpers.sh b/script/lib/deploy-helpers.sh
index c0feb2f861..bd7b3c4d6f 100644
--- a/script/lib/deploy-helpers.sh
+++ b/script/lib/deploy-helpers.sh
@@ -5,7 +5,7 @@ function export_vars_for_environment {
     echo "Invalid environment name '${environment}'" >&2
     exit 1
   fi
-  export $(cat $env_file)
+  export $(grep -v '^#' $env_file | grep -v '^[[:space:]]*$')
 }
 
 function target_zed_kube_cluster {
diff --git a/script/linux b/script/linux
index 98ae026896..029278bea3 100755
--- a/script/linux
+++ b/script/linux
@@ -143,6 +143,7 @@ if [[ -n $zyp ]]; then
     gzip
     jq
     libvulkan1
+    libx11-devel
     libxcb-devel
     libxkbcommon-devel
     libxkbcommon-x11-devel
diff --git a/script/squawk b/script/squawk
index 8489206f14..497fcff089 100755
--- a/script/squawk
+++ b/script/squawk
@@ -15,13 +15,11 @@ SQUAWK_VERSION=0.26.0
 SQUAWK_BIN="./target/squawk-$SQUAWK_VERSION"
 SQUAWK_ARGS="--assume-in-transaction --config script/lib/squawk.toml"
 
-if  [ ! -f "$SQUAWK_BIN" ]; then
-  pkgutil --pkg-info com.apple.pkg.RosettaUpdateAuto || /usr/sbin/softwareupdate --install-rosetta --agree-to-license
-  # When bootstrapping a brand new CI machine, the `target` directory may not exist yet.
-  mkdir -p "./target"
-  curl -L -o "$SQUAWK_BIN" "https://github.com/sbdchd/squawk/releases/download/v$SQUAWK_VERSION/squawk-darwin-x86_64"
-  chmod +x "$SQUAWK_BIN"
-fi
+pkgutil --pkg-info com.apple.pkg.RosettaUpdateAuto || /usr/sbin/softwareupdate --install-rosetta --agree-to-license
+# When bootstrapping a brand new CI machine, the `target` directory may not exist yet.
+mkdir -p "./target"
+curl -L -o "$SQUAWK_BIN" "https://github.com/sbdchd/squawk/releases/download/v$SQUAWK_VERSION/squawk-darwin-x86_64"
+chmod +x "$SQUAWK_BIN"
 
 if [ -n "$SQUAWK_GITHUB_TOKEN" ]; then
     export SQUAWK_GITHUB_REPO_OWNER=$(echo $GITHUB_REPOSITORY | awk -F/ '{print $1}')
diff --git a/script/zed-local b/script/zed-local
index 2568931246..99d9308232 100755
--- a/script/zed-local
+++ b/script/zed-local
@@ -213,7 +213,7 @@ setTimeout(() => {
           platform === "win32"
             ? "http://127.0.0.1:8080/rpc"
             : "http://localhost:8080/rpc",
-        ZED_ADMIN_API_TOKEN: "secret",
+        ZED_ADMIN_API_TOKEN: "internal-api-key-secret",
         ZED_WINDOW_SIZE: size,
         ZED_CLIENT_CHECKSUM_SEED: "development-checksum-seed",
         RUST_LOG: process.env.RUST_LOG || "info",
diff --git a/tooling/workspace-hack/Cargo.toml b/tooling/workspace-hack/Cargo.toml
index 4196696f47..2f9a963abc 100644
--- a/tooling/workspace-hack/Cargo.toml
+++ b/tooling/workspace-hack/Cargo.toml
@@ -6,9 +6,9 @@
 [package]
 name = "workspace-hack"
 version = "0.1.0"
-edition = "2021"
 description = "workspace-hack package, managed by hakari"
-publish = false
+edition.workspace = true
+publish.workspace = true
 
 # The parts of the file between the BEGIN HAKARI SECTION and END HAKARI SECTION comments
 # are managed by hakari.
@@ -54,6 +54,7 @@ digest = { version = "0.10", features = ["mac", "oid", "std"] }
 either = { version = "1", features = ["serde", "use_std"] }
 euclid = { version = "0.22" }
 event-listener = { version = "5" }
+event-listener-strategy = { version = "0.5" }
 flate2 = { version = "1", features = ["zlib-rs"] }
 form_urlencoded = { version = "1" }
 futures = { version = "0.3", features = ["io-compat"] }
@@ -82,6 +83,7 @@ lyon = { version = "1", default-features = false, features = ["extra"] }
 lyon_path = { version = "1" }
 md-5 = { version = "0.10" }
 memchr = { version = "2" }
+mime_guess = { version = "2" }
 miniz_oxide = { version = "0.8", features = ["simd"] }
 nom = { version = "7" }
 num-bigint = { version = "0.4" }
@@ -107,7 +109,6 @@ rustc-hash = { version = "1" }
 rustix-d585fab2519d2d1 = { package = "rustix", version = "0.38", default-features = false, features = ["fs", "net", "std"] }
 rustls = { version = "0.23", features = ["ring"] }
 rustls-webpki = { version = "0.103", default-features = false, features = ["aws-lc-rs", "ring", "std"] }
-schemars = { version = "1", features = ["chrono04", "indexmap2", "semver1"] }
 sea-orm = { version = "1", features = ["runtime-tokio-rustls", "sqlx-postgres", "sqlx-sqlite"] }
 sea-query-binder = { version = "0.7", default-features = false, features = ["postgres-array", "sqlx-postgres", "sqlx-sqlite", "with-bigdecimal", "with-chrono", "with-json", "with-rust_decimal", "with-time", "with-uuid"] }
 semver = { version = "1", features = ["serde"] }
@@ -182,6 +183,7 @@ digest = { version = "0.10", features = ["mac", "oid", "std"] }
 either = { version = "1", features = ["serde", "use_std"] }
 euclid = { version = "0.22" }
 event-listener = { version = "5" }
+event-listener-strategy = { version = "0.5" }
 flate2 = { version = "1", features = ["zlib-rs"] }
 form_urlencoded = { version = "1" }
 futures = { version = "0.3", features = ["io-compat"] }
@@ -212,6 +214,7 @@ lyon = { version = "1", default-features = false, features = ["extra"] }
 lyon_path = { version = "1" }
 md-5 = { version = "0.10" }
 memchr = { version = "2" }
+mime_guess = { version = "2" }
 miniz_oxide = { version = "0.8", features = ["simd"] }
 nom = { version = "7" }
 num-bigint = { version = "0.4" }
@@ -240,7 +243,6 @@ rustc-hash = { version = "1" }
 rustix-d585fab2519d2d1 = { package = "rustix", version = "0.38", default-features = false, features = ["fs", "net", "std"] }
 rustls = { version = "0.23", features = ["ring"] }
 rustls-webpki = { version = "0.103", default-features = false, features = ["aws-lc-rs", "ring", "std"] }
-schemars = { version = "1", features = ["chrono04", "indexmap2", "semver1"] }
 sea-orm = { version = "1", features = ["runtime-tokio-rustls", "sqlx-postgres", "sqlx-sqlite"] }
 sea-query-binder = { version = "0.7", default-features = false, features = ["postgres-array", "sqlx-postgres", "sqlx-sqlite", "with-bigdecimal", "with-chrono", "with-json", "with-rust_decimal", "with-time", "with-uuid"] }
 semver = { version = "1", features = ["serde"] }
@@ -290,7 +292,7 @@ gimli = { version = "0.31", default-features = false, features = ["read", "std",
 hyper-rustls = { version = "0.27", default-features = false, features = ["http1", "http2", "native-tokio", "ring", "tls12"] }
 itertools-5ef9efb8ec2df382 = { package = "itertools", version = "0.12" }
 naga = { version = "25", features = ["msl-out", "wgsl-in"] }
-nix = { version = "0.29", features = ["fs", "pthread", "signal", "user"] }
+nix-b73a96c0a5f6a7d9 = { package = "nix", version = "0.29", features = ["fs", "pthread", "signal", "user"] }
 objc2 = { version = "0.6" }
 objc2-core-foundation = { version = "0.3", default-features = false, features = ["CFArray", "CFCGTypes", "CFData", "CFDate", "CFDictionary", "CFRunLoop", "CFString", "CFURL", "objc2", "std"] }
 objc2-foundation = { version = "0.3", default-features = false, features = ["NSArray", "NSAttributedString", "NSBundle", "NSCoder", "NSData", "NSDate", "NSDictionary", "NSEnumerator", "NSError", "NSGeometry", "NSNotification", "NSNull", "NSObjCRuntime", "NSObject", "NSProcessInfo", "NSRange", "NSRunLoop", "NSString", "NSURL", "NSUndoManager", "NSValue", "objc2-core-foundation", "std"] }
@@ -303,7 +305,7 @@ scopeguard = { version = "1" }
 security-framework = { version = "3", features = ["OSX_10_14"] }
 security-framework-sys = { version = "2", features = ["OSX_10_14"] }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 tower = { version = "0.5", default-features = false, features = ["timeout", "util"] }
@@ -318,7 +320,7 @@ gimli = { version = "0.31", default-features = false, features = ["read", "std",
 hyper-rustls = { version = "0.27", default-features = false, features = ["http1", "http2", "native-tokio", "ring", "tls12"] }
 itertools-5ef9efb8ec2df382 = { package = "itertools", version = "0.12" }
 naga = { version = "25", features = ["msl-out", "wgsl-in"] }
-nix = { version = "0.29", features = ["fs", "pthread", "signal", "user"] }
+nix-b73a96c0a5f6a7d9 = { package = "nix", version = "0.29", features = ["fs", "pthread", "signal", "user"] }
 objc2 = { version = "0.6" }
 objc2-core-foundation = { version = "0.3", default-features = false, features = ["CFArray", "CFCGTypes", "CFData", "CFDate", "CFDictionary", "CFRunLoop", "CFString", "CFURL", "objc2", "std"] }
 objc2-foundation = { version = "0.3", default-features = false, features = ["NSArray", "NSAttributedString", "NSBundle", "NSCoder", "NSData", "NSDate", "NSDictionary", "NSEnumerator", "NSError", "NSGeometry", "NSNotification", "NSNull", "NSObjCRuntime", "NSObject", "NSProcessInfo", "NSRange", "NSRunLoop", "NSString", "NSURL", "NSUndoManager", "NSValue", "objc2-core-foundation", "std"] }
@@ -332,7 +334,7 @@ scopeguard = { version = "1" }
 security-framework = { version = "3", features = ["OSX_10_14"] }
 security-framework-sys = { version = "2", features = ["OSX_10_14"] }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 tower = { version = "0.5", default-features = false, features = ["timeout", "util"] }
@@ -347,7 +349,7 @@ gimli = { version = "0.31", default-features = false, features = ["read", "std",
 hyper-rustls = { version = "0.27", default-features = false, features = ["http1", "http2", "native-tokio", "ring", "tls12"] }
 itertools-5ef9efb8ec2df382 = { package = "itertools", version = "0.12" }
 naga = { version = "25", features = ["msl-out", "wgsl-in"] }
-nix = { version = "0.29", features = ["fs", "pthread", "signal", "user"] }
+nix-b73a96c0a5f6a7d9 = { package = "nix", version = "0.29", features = ["fs", "pthread", "signal", "user"] }
 objc2 = { version = "0.6" }
 objc2-core-foundation = { version = "0.3", default-features = false, features = ["CFArray", "CFCGTypes", "CFData", "CFDate", "CFDictionary", "CFRunLoop", "CFString", "CFURL", "objc2", "std"] }
 objc2-foundation = { version = "0.3", default-features = false, features = ["NSArray", "NSAttributedString", "NSBundle", "NSCoder", "NSData", "NSDate", "NSDictionary", "NSEnumerator", "NSError", "NSGeometry", "NSNotification", "NSNull", "NSObjCRuntime", "NSObject", "NSProcessInfo", "NSRange", "NSRunLoop", "NSString", "NSURL", "NSUndoManager", "NSValue", "objc2-core-foundation", "std"] }
@@ -360,7 +362,7 @@ scopeguard = { version = "1" }
 security-framework = { version = "3", features = ["OSX_10_14"] }
 security-framework-sys = { version = "2", features = ["OSX_10_14"] }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 tower = { version = "0.5", default-features = false, features = ["timeout", "util"] }
@@ -375,7 +377,7 @@ gimli = { version = "0.31", default-features = false, features = ["read", "std",
 hyper-rustls = { version = "0.27", default-features = false, features = ["http1", "http2", "native-tokio", "ring", "tls12"] }
 itertools-5ef9efb8ec2df382 = { package = "itertools", version = "0.12" }
 naga = { version = "25", features = ["msl-out", "wgsl-in"] }
-nix = { version = "0.29", features = ["fs", "pthread", "signal", "user"] }
+nix-b73a96c0a5f6a7d9 = { package = "nix", version = "0.29", features = ["fs", "pthread", "signal", "user"] }
 objc2 = { version = "0.6" }
 objc2-core-foundation = { version = "0.3", default-features = false, features = ["CFArray", "CFCGTypes", "CFData", "CFDate", "CFDictionary", "CFRunLoop", "CFString", "CFURL", "objc2", "std"] }
 objc2-foundation = { version = "0.3", default-features = false, features = ["NSArray", "NSAttributedString", "NSBundle", "NSCoder", "NSData", "NSDate", "NSDictionary", "NSEnumerator", "NSError", "NSGeometry", "NSNotification", "NSNull", "NSObjCRuntime", "NSObject", "NSProcessInfo", "NSRange", "NSRunLoop", "NSString", "NSURL", "NSUndoManager", "NSValue", "objc2-core-foundation", "std"] }
@@ -389,7 +391,7 @@ scopeguard = { version = "1" }
 security-framework = { version = "3", features = ["OSX_10_14"] }
 security-framework-sys = { version = "2", features = ["OSX_10_14"] }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 tower = { version = "0.5", default-features = false, features = ["timeout", "util"] }
@@ -401,7 +403,6 @@ bytemuck = { version = "1", default-features = false, features = ["min_const_gen
 cipher = { version = "0.4", default-features = false, features = ["block-padding", "rand_core", "zeroize"] }
 codespan-reporting = { version = "0.12" }
 crypto-common = { version = "0.1", default-features = false, features = ["rand_core", "std"] }
-event-listener-strategy = { version = "0.5" }
 flume = { version = "0.11" }
 foldhash = { version = "0.1", default-features = false, features = ["std"] }
 getrandom-468e82937335b1c9 = { package = "getrandom", version = "0.3", default-features = false, features = ["std"] }
@@ -414,7 +415,8 @@ linux-raw-sys-274715c4dabd11b0 = { package = "linux-raw-sys", version = "0.9", d
 linux-raw-sys-9fbad63c4bcf4a8f = { package = "linux-raw-sys", version = "0.4", default-features = false, features = ["elf", "errno", "general", "if_ether", "ioctl", "net", "netlink", "no_std", "prctl", "system", "xdp"] }
 mio = { version = "1", features = ["net", "os-ext"] }
 naga = { version = "25", features = ["spv-out", "wgsl-in"] }
-nix = { version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
+nix-1f5adca70f036a62 = { package = "nix", version = "0.28", features = ["fs", "mman", "ptrace", "signal", "term", "user"] }
+nix-b73a96c0a5f6a7d9 = { package = "nix", version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
 num-bigint-dig = { version = "0.8", features = ["i128", "prime", "zeroize"] }
 object = { version = "0.36", default-features = false, features = ["archive", "read_core", "unaligned", "write"] }
 proc-macro2 = { version = "1", features = ["span-locations"] }
@@ -426,7 +428,7 @@ rustix-dff4ba8e3ae991db = { package = "rustix", version = "1", features = ["fs",
 scopeguard = { version = "1" }
 syn-f595c2ba2a3f28df = { package = "syn", version = "2", features = ["extra-traits", "fold", "full", "visit", "visit-mut"] }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 toml_datetime = { version = "0.6", default-features = false, features = ["serde"] }
@@ -441,7 +443,6 @@ bytemuck = { version = "1", default-features = false, features = ["min_const_gen
 cipher = { version = "0.4", default-features = false, features = ["block-padding", "rand_core", "zeroize"] }
 codespan-reporting = { version = "0.12" }
 crypto-common = { version = "0.1", default-features = false, features = ["rand_core", "std"] }
-event-listener-strategy = { version = "0.5" }
 flume = { version = "0.11" }
 foldhash = { version = "0.1", default-features = false, features = ["std"] }
 getrandom-468e82937335b1c9 = { package = "getrandom", version = "0.3", default-features = false, features = ["std"] }
@@ -454,7 +455,8 @@ linux-raw-sys-274715c4dabd11b0 = { package = "linux-raw-sys", version = "0.9", d
 linux-raw-sys-9fbad63c4bcf4a8f = { package = "linux-raw-sys", version = "0.4", default-features = false, features = ["elf", "errno", "general", "if_ether", "ioctl", "net", "netlink", "no_std", "prctl", "system", "xdp"] }
 mio = { version = "1", features = ["net", "os-ext"] }
 naga = { version = "25", features = ["spv-out", "wgsl-in"] }
-nix = { version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
+nix-1f5adca70f036a62 = { package = "nix", version = "0.28", features = ["fs", "mman", "ptrace", "signal", "term", "user"] }
+nix-b73a96c0a5f6a7d9 = { package = "nix", version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
 num-bigint-dig = { version = "0.8", features = ["i128", "prime", "zeroize"] }
 object = { version = "0.36", default-features = false, features = ["archive", "read_core", "unaligned", "write"] }
 proc-macro2 = { version = "1", default-features = false, features = ["span-locations"] }
@@ -464,7 +466,7 @@ rustix-d585fab2519d2d1 = { package = "rustix", version = "0.38", features = ["ev
 rustix-dff4ba8e3ae991db = { package = "rustix", version = "1", features = ["fs", "net", "process", "termios", "time"] }
 scopeguard = { version = "1" }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 toml_datetime = { version = "0.6", default-features = false, features = ["serde"] }
@@ -479,7 +481,6 @@ bytemuck = { version = "1", default-features = false, features = ["min_const_gen
 cipher = { version = "0.4", default-features = false, features = ["block-padding", "rand_core", "zeroize"] }
 codespan-reporting = { version = "0.12" }
 crypto-common = { version = "0.1", default-features = false, features = ["rand_core", "std"] }
-event-listener-strategy = { version = "0.5" }
 flume = { version = "0.11" }
 foldhash = { version = "0.1", default-features = false, features = ["std"] }
 getrandom-468e82937335b1c9 = { package = "getrandom", version = "0.3", default-features = false, features = ["std"] }
@@ -492,7 +493,8 @@ linux-raw-sys-274715c4dabd11b0 = { package = "linux-raw-sys", version = "0.9", d
 linux-raw-sys-9fbad63c4bcf4a8f = { package = "linux-raw-sys", version = "0.4", default-features = false, features = ["elf", "errno", "general", "if_ether", "ioctl", "net", "netlink", "no_std", "prctl", "system", "xdp"] }
 mio = { version = "1", features = ["net", "os-ext"] }
 naga = { version = "25", features = ["spv-out", "wgsl-in"] }
-nix = { version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
+nix-1f5adca70f036a62 = { package = "nix", version = "0.28", features = ["fs", "mman", "ptrace", "signal", "term", "user"] }
+nix-b73a96c0a5f6a7d9 = { package = "nix", version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
 num-bigint-dig = { version = "0.8", features = ["i128", "prime", "zeroize"] }
 object = { version = "0.36", default-features = false, features = ["archive", "read_core", "unaligned", "write"] }
 proc-macro2 = { version = "1", features = ["span-locations"] }
@@ -504,7 +506,7 @@ rustix-dff4ba8e3ae991db = { package = "rustix", version = "1", features = ["fs",
 scopeguard = { version = "1" }
 syn-f595c2ba2a3f28df = { package = "syn", version = "2", features = ["extra-traits", "fold", "full", "visit", "visit-mut"] }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 toml_datetime = { version = "0.6", default-features = false, features = ["serde"] }
@@ -519,7 +521,6 @@ bytemuck = { version = "1", default-features = false, features = ["min_const_gen
 cipher = { version = "0.4", default-features = false, features = ["block-padding", "rand_core", "zeroize"] }
 codespan-reporting = { version = "0.12" }
 crypto-common = { version = "0.1", default-features = false, features = ["rand_core", "std"] }
-event-listener-strategy = { version = "0.5" }
 flume = { version = "0.11" }
 foldhash = { version = "0.1", default-features = false, features = ["std"] }
 getrandom-468e82937335b1c9 = { package = "getrandom", version = "0.3", default-features = false, features = ["std"] }
@@ -532,7 +533,8 @@ linux-raw-sys-274715c4dabd11b0 = { package = "linux-raw-sys", version = "0.9", d
 linux-raw-sys-9fbad63c4bcf4a8f = { package = "linux-raw-sys", version = "0.4", default-features = false, features = ["elf", "errno", "general", "if_ether", "ioctl", "net", "netlink", "no_std", "prctl", "system", "xdp"] }
 mio = { version = "1", features = ["net", "os-ext"] }
 naga = { version = "25", features = ["spv-out", "wgsl-in"] }
-nix = { version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
+nix-1f5adca70f036a62 = { package = "nix", version = "0.28", features = ["fs", "mman", "ptrace", "signal", "term", "user"] }
+nix-b73a96c0a5f6a7d9 = { package = "nix", version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
 num-bigint-dig = { version = "0.8", features = ["i128", "prime", "zeroize"] }
 object = { version = "0.36", default-features = false, features = ["archive", "read_core", "unaligned", "write"] }
 proc-macro2 = { version = "1", default-features = false, features = ["span-locations"] }
@@ -542,7 +544,7 @@ rustix-d585fab2519d2d1 = { package = "rustix", version = "0.38", features = ["ev
 rustix-dff4ba8e3ae991db = { package = "rustix", version = "1", features = ["fs", "net", "process", "termios", "time"] }
 scopeguard = { version = "1" }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 toml_datetime = { version = "0.6", default-features = false, features = ["serde"] }
@@ -562,7 +564,7 @@ ring = { version = "0.17", features = ["std"] }
 rustix-d585fab2519d2d1 = { package = "rustix", version = "0.38", features = ["event"] }
 scopeguard = { version = "1" }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 tower = { version = "0.5", default-features = false, features = ["timeout", "util"] }
@@ -586,7 +588,7 @@ ring = { version = "0.17", features = ["std"] }
 rustix-d585fab2519d2d1 = { package = "rustix", version = "0.38", features = ["event"] }
 scopeguard = { version = "1" }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 tower = { version = "0.5", default-features = false, features = ["timeout", "util"] }
@@ -604,7 +606,6 @@ bytemuck = { version = "1", default-features = false, features = ["min_const_gen
 cipher = { version = "0.4", default-features = false, features = ["block-padding", "rand_core", "zeroize"] }
 codespan-reporting = { version = "0.12" }
 crypto-common = { version = "0.1", default-features = false, features = ["rand_core", "std"] }
-event-listener-strategy = { version = "0.5" }
 flume = { version = "0.11" }
 foldhash = { version = "0.1", default-features = false, features = ["std"] }
 getrandom-468e82937335b1c9 = { package = "getrandom", version = "0.3", default-features = false, features = ["std"] }
@@ -617,7 +618,8 @@ linux-raw-sys-274715c4dabd11b0 = { package = "linux-raw-sys", version = "0.9", d
 linux-raw-sys-9fbad63c4bcf4a8f = { package = "linux-raw-sys", version = "0.4", default-features = false, features = ["elf", "errno", "general", "if_ether", "ioctl", "net", "netlink", "no_std", "prctl", "system", "xdp"] }
 mio = { version = "1", features = ["net", "os-ext"] }
 naga = { version = "25", features = ["spv-out", "wgsl-in"] }
-nix = { version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
+nix-1f5adca70f036a62 = { package = "nix", version = "0.28", features = ["fs", "mman", "ptrace", "signal", "term", "user"] }
+nix-b73a96c0a5f6a7d9 = { package = "nix", version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
 num-bigint-dig = { version = "0.8", features = ["i128", "prime", "zeroize"] }
 object = { version = "0.36", default-features = false, features = ["archive", "read_core", "unaligned", "write"] }
 proc-macro2 = { version = "1", features = ["span-locations"] }
@@ -629,7 +631,7 @@ rustix-dff4ba8e3ae991db = { package = "rustix", version = "1", features = ["fs",
 scopeguard = { version = "1" }
 syn-f595c2ba2a3f28df = { package = "syn", version = "2", features = ["extra-traits", "fold", "full", "visit", "visit-mut"] }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 toml_datetime = { version = "0.6", default-features = false, features = ["serde"] }
@@ -644,7 +646,6 @@ bytemuck = { version = "1", default-features = false, features = ["min_const_gen
 cipher = { version = "0.4", default-features = false, features = ["block-padding", "rand_core", "zeroize"] }
 codespan-reporting = { version = "0.12" }
 crypto-common = { version = "0.1", default-features = false, features = ["rand_core", "std"] }
-event-listener-strategy = { version = "0.5" }
 flume = { version = "0.11" }
 foldhash = { version = "0.1", default-features = false, features = ["std"] }
 getrandom-468e82937335b1c9 = { package = "getrandom", version = "0.3", default-features = false, features = ["std"] }
@@ -657,7 +658,8 @@ linux-raw-sys-274715c4dabd11b0 = { package = "linux-raw-sys", version = "0.9", d
 linux-raw-sys-9fbad63c4bcf4a8f = { package = "linux-raw-sys", version = "0.4", default-features = false, features = ["elf", "errno", "general", "if_ether", "ioctl", "net", "netlink", "no_std", "prctl", "system", "xdp"] }
 mio = { version = "1", features = ["net", "os-ext"] }
 naga = { version = "25", features = ["spv-out", "wgsl-in"] }
-nix = { version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
+nix-1f5adca70f036a62 = { package = "nix", version = "0.28", features = ["fs", "mman", "ptrace", "signal", "term", "user"] }
+nix-b73a96c0a5f6a7d9 = { package = "nix", version = "0.29", features = ["fs", "pthread", "signal", "socket", "uio", "user"] }
 num-bigint-dig = { version = "0.8", features = ["i128", "prime", "zeroize"] }
 object = { version = "0.36", default-features = false, features = ["archive", "read_core", "unaligned", "write"] }
 proc-macro2 = { version = "1", default-features = false, features = ["span-locations"] }
@@ -667,7 +669,7 @@ rustix-d585fab2519d2d1 = { package = "rustix", version = "0.38", features = ["ev
 rustix-dff4ba8e3ae991db = { package = "rustix", version = "1", features = ["fs", "net", "process", "termios", "time"] }
 scopeguard = { version = "1" }
 sync_wrapper = { version = "1", default-features = false, features = ["futures"] }
-tokio-rustls = { version = "0.26", default-features = false, features = ["ring"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["logging", "ring"] }
 tokio-socks = { version = "0.5", features = ["futures-io"] }
 tokio-stream = { version = "0.1", features = ["fs"] }
 toml_datetime = { version = "0.6", default-features = false, features = ["serde"] }
diff --git a/tooling/xtask/src/tasks/package_conformity.rs b/tooling/xtask/src/tasks/package_conformity.rs
index c82b9cdf84..c8bed4bb35 100644
--- a/tooling/xtask/src/tasks/package_conformity.rs
+++ b/tooling/xtask/src/tasks/package_conformity.rs
@@ -21,13 +21,11 @@ pub fn run_package_conformity(_args: PackageConformityArgs) -> Result<()> {
             .manifest_path
             .parent()
             .and_then(|parent| parent.parent())
-            .map_or(false, |grandparent_dir| {
-                grandparent_dir.ends_with("extensions")
-            });
+            .is_some_and(|grandparent_dir| grandparent_dir.ends_with("extensions"));
 
         let cargo_toml = read_cargo_toml(&package.manifest_path)?;
 
-        let is_using_workspace_lints = cargo_toml.lints.map_or(false, |lints| lints.workspace);
+        let is_using_workspace_lints = cargo_toml.lints.is_some_and(|lints| lints.workspace);
         if !is_using_workspace_lints {
             eprintln!(
                 "{package:?} is not using workspace lints",
diff --git a/typos.toml b/typos.toml
index 336a829a44..e5f02b6415 100644
--- a/typos.toml
+++ b/typos.toml
@@ -16,9 +16,6 @@ extend-exclude = [
     "crates/google_ai/src/supported_countries.rs",
     "crates/open_ai/src/supported_countries.rs",
 
-    # Some crate names are flagged as typos.
-    "crates/indexed_docs/src/providers/rustdoc/popular_crates.txt",
-
     # Some mock data is flagged as typos.
     "crates/assistant_tools/src/web_search_tool.rs",