Merge remote-tracking branch 'origin/main' into codex/prefix-compaction-prewarm

# Conflicts:
#	codex-rs/app-server/src/bespoke_event_handling.rs
#	codex-rs/tui/src/chatwidget.rs

codex-rs/app-server-protocol/schema/json/v2/ThreadForkResponse.json

@@ -2204,6 +2204,14 @@
     "cwd": {
       "type": "string"
     },
+    "instructionSources": {
+      "default": [],
+      "description": "Instruction source files currently loaded for this thread.",
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
     "model": {
       "type": "string"
     },