Merge branch 'goal-mode-1-state' into goal-mode-2-app-server

# Conflicts:
#	codex-rs/app-server/src/codex_message_processor.rs
#	codex-rs/app-server/tests/suite/v2/thread_resume.rs
#	codex-rs/core/src/codex.rs

codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json

@@ -8665,6 +8665,14 @@
           "scope": {
             "$ref": "#/definitions/v2/HookScope"
           },
+          "source": {
+            "allOf": [
+              {
+                "$ref": "#/definitions/v2/HookSource"
+              }
+            ],
+            "default": "unknown"
+          },
           "sourcePath": {
             "$ref": "#/definitions/v2/AbsolutePathBuf"
           },
@@ -8703,6 +8711,19 @@
         ],
         "type": "string"
       },
+      "HookSource": {
+        "enum": [
+          "system",
+          "user",
+          "project",
+          "mdm",
+          "sessionFlags",
+          "legacyManagedConfigFile",
+          "legacyManagedConfigMdm",
+          "unknown"
+        ],
+        "type": "string"
+      },
       "HookStartedNotification": {
         "$schema": "http://json-schema.org/draft-07/schema#",
         "properties": {