agent: Remove feature flag checks (#30055)

This PR removes all of the feature flag checks related to the Agent.

Tried to do this in the least invasive way possible; we can follow up
with a full removal.

Release Notes:

- N/A

crates/agent/Cargo.toml

@@ -29,7 +29,6 @@ buffer_diff.workspace = true
 chrono.workspace = true
 client.workspace = true
 collections.workspace = true
-command_palette_hooks.workspace = true
 component.workspace = true
 context_server.workspace = true
 convert_case.workspace = true

crates/agent/src/assistant.rs

@@ -29,8 +29,6 @@ use std::sync::Arc;
 
 use assistant_settings::{AgentProfileId, AssistantSettings};
 use client::Client;
-use command_palette_hooks::CommandPaletteFilter;
-use feature_flags::{Assistant2FeatureFlag, FeatureFlagAppExt};
 use fs::Fs;
 use gpui::{App, actions, impl_actions};
 use language::LanguageRegistry;
@@ -107,8 +105,6 @@ impl ManageProfiles {
 
 impl_actions!(agent, [NewThread, ManageProfiles]);
 
-const NAMESPACE: &str = "agent";
-
 /// Initializes the `agent` crate.
 pub fn init(
     fs: Arc<dyn Fs>,
@@ -136,25 +132,4 @@ pub fn init(
     );
     cx.observe_new(AddContextServerModal::register).detach();
     cx.observe_new(ManageProfilesModal::register).detach();
-
-    feature_gate_agent_actions(cx);
-}
-
-fn feature_gate_agent_actions(cx: &mut App) {
-    CommandPaletteFilter::update_global(cx, |filter, _cx| {
-        filter.hide_namespace(NAMESPACE);
-    });
-
-    cx.observe_flag::<Assistant2FeatureFlag, _>(move |is_enabled, cx| {
-        if is_enabled {
-            CommandPaletteFilter::update_global(cx, |filter, _cx| {
-                filter.show_namespace(NAMESPACE);
-            });
-        } else {
-            CommandPaletteFilter::update_global(cx, |filter, _cx| {
-                filter.hide_namespace(NAMESPACE);
-            });
-        }
-    })
-    .detach();
 }

crates/agent/src/inline_assistant.rs

@@ -17,7 +17,6 @@ use editor::{
         ToDisplayPoint,
     },
 };
-use feature_flags::{Assistant2FeatureFlag, FeatureFlagViewExt as _};
 use fs::Fs;
 use gpui::{
     App, Context, Entity, Focusable, Global, HighlightStyle, Subscription, Task, UpdateGlobal,
@@ -66,15 +65,6 @@ pub fn init(
         InlineAssistant::update_global(cx, |inline_assistant, cx| {
             inline_assistant.register_workspace(&workspace, window, cx)
         });
-
-        cx.observe_flag::<Assistant2FeatureFlag, _>(window, {
-            |is_assistant2_enabled, _workspace, _window, cx| {
-                InlineAssistant::update_global(cx, |inline_assistant, _cx| {
-                    inline_assistant.is_assistant2_enabled = is_assistant2_enabled;
-                });
-            }
-        })
-        .detach();
     })
     .detach();
 }
@@ -97,7 +87,6 @@ pub struct InlineAssistant {
     prompt_builder: Arc<PromptBuilder>,
     telemetry: Arc<Telemetry>,
     fs: Arc<dyn Fs>,
-    is_assistant2_enabled: bool,
 }
 
 impl Global for InlineAssistant {}
@@ -119,7 +108,6 @@ impl InlineAssistant {
             prompt_builder,
             telemetry,
             fs,
-            is_assistant2_enabled: false,
         }
     }
 
@@ -188,7 +176,7 @@ impl InlineAssistant {
         window: &mut Window,
         cx: &mut App,
     ) {
-        let is_assistant2_enabled = self.is_assistant2_enabled;
+        let is_assistant2_enabled = true;
 
         if let Some(editor) = item.act_as::<Editor>(cx) {
             editor.update(cx, |editor, cx| {

crates/agent/src/message_editor.rs

@@ -17,7 +17,6 @@ use editor::{
     AnchorRangeExt, ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement, EditorEvent,
     EditorMode, EditorStyle, MultiBuffer,
 };
-use feature_flags::{FeatureFlagAppExt, NewBillingFeatureFlag};
 use file_icons::FileIcons;
 use fs::Fs;
 use futures::future::Shared;
@@ -464,10 +463,6 @@ impl MessageEditor {
     }
 
     fn render_max_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
-        if !cx.has_flag::<NewBillingFeatureFlag>() {
-            return None;
-        }
-
         let thread = self.thread.read(cx);
         let model = thread.configured_model();
         if !model?.model.supports_max_mode() {
@@ -1074,10 +1069,6 @@ impl MessageEditor {
     }
 
     fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
-        if !cx.has_flag::<NewBillingFeatureFlag>() {
-            return None;
-        }
-
         let is_using_zed_provider = self
             .thread
             .read(cx)
@@ -1139,10 +1130,6 @@ impl MessageEditor {
         token_usage_ratio: TokenUsageRatio,
         cx: &mut Context<Self>,
     ) -> Option<Div> {
-        if !cx.has_flag::<NewBillingFeatureFlag>() {
-            return None;
-        }
-
         let title = if token_usage_ratio == TokenUsageRatio::Exceeded {
             "Thread reached the token limit"
         } else {