codex: fix remaining CI failures on PR #13681

Update resume expectations for replayed response metadata and regenerate app-server protocol schema fixtures.

Co-authored-by: Codex <noreply@openai.com>

codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json

@@ -5448,6 +5448,36 @@
           "title": "ExitedReviewModeEventMsg",
           "type": "object"
         },
+        {
+          "properties": {
+            "request_id": {
+              "default": null,
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "response_id": {
+              "default": null,
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "type": {
+              "enum": [
+                "response_metadata"
+              ],
+              "title": "ResponseMetadataEventMsgType",
+              "type": "string"
+            }
+          },
+          "required": [
+            "type"
+          ],
+          "title": "ResponseMetadataEventMsg",
+          "type": "object"
+        },
         {
           "properties": {
             "item": {