agent: Attach thread ID and prompt ID to telemetry events (#29069)

This PR attaches the thread ID and the new prompt ID to telemetry events
for completions in the Agent panel.

Release Notes:

- N/A

---------

Co-authored-by: Mikayla Maki <mikayla.c.maki@gmail.com>

Cargo.lock

@@ -1926,7 +1926,7 @@ dependencies = [
  "bitflags 2.9.0",
  "cexpr",
  "clang-sys",
- "itertools 0.11.0",
+ "itertools 0.12.1",
  "lazy_static",
  "lazycell",
  "log",
@@ -6781,7 +6781,7 @@ dependencies = [
  "js-sys",
  "log",
  "wasm-bindgen",
- "windows-core 0.57.0",
+ "windows-core 0.61.0",
 ]
 
 [[package]]
@@ -11066,7 +11066,7 @@ checksum = "22505a5c94da8e3b7c2996394d1c933236c4d743e81a410bcca4e6989fc066a4"
 dependencies = [
  "bytes 1.10.1",
  "heck 0.5.0",
- "itertools 0.11.0",
+ "itertools 0.12.1",
  "log",
  "multimap 0.10.0",
  "once_cell",
@@ -11099,7 +11099,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "81bddcdb20abf9501610992b6759a4c888aef7d1a7247ef75e2404275ac24af1"
 dependencies = [
  "anyhow",
- "itertools 0.11.0",
+ "itertools 0.12.1",
  "proc-macro2",
  "quote",
  "syn 2.0.100",
@@ -17747,6 +17747,7 @@ dependencies = [
  "hyper-rustls 0.27.5",
  "indexmap",
  "inout",
+ "itertools 0.12.1",
  "itertools 0.13.0",
  "lazy_static",
  "libc",
@@ -18369,9 +18370,9 @@ dependencies = [
 
 [[package]]
 name = "zed_llm_client"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b91b8b05f1028157205026e525869eb860fa89bec87ea60b445efc91d05df31f"
+checksum = "ad17428120f5ca776dc5195e2411a282f5150a26d5536671f8943c622c31274f"
 dependencies = [
  "anyhow",
  "serde",