Pass up intent with completion requests (#31710)

This PR adds a new `intent` field to completion requests to assist in
categorizing them correctly.

Release Notes:

- N/A

---------

Co-authored-by: Ben Brandt <benjamin.j.brandt@gmail.com>

Cargo.lock

@@ -559,6 +559,7 @@ dependencies = [
  "workspace",
  "workspace-hack",
  "zed_actions",
+ "zed_llm_client",
 ]
 
 [[package]]
@@ -5047,6 +5048,7 @@ dependencies = [
  "util",
  "uuid",
  "workspace-hack",
+ "zed_llm_client",
 ]
 
 [[package]]
@@ -6149,6 +6151,7 @@ dependencies = [
  "workspace",
  "workspace-hack",
  "zed_actions",
+ "zed_llm_client",
  "zlog",
 ]
 
@@ -19876,9 +19879,9 @@ dependencies = [
 
 [[package]]
 name = "zed_llm_client"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22a8b9575b215536ed8ad254ba07171e4e13bd029eda3b54cca4b184d2768050"
+checksum = "de7d9523255f4e00ee3d0918e5407bd252d798a4a8e71f6d37f23317a1588203"
 dependencies = [
  "anyhow",
  "serde",