diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/codex_app_server.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/codex_app_server.rs
index 89be0ef79..bb509ec4d 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/codex_app_server.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/codex_app_server.rs
@@ -2850,6 +2850,9 @@ async fn read_game_creator_codex_app_server_stdout(
                         .and_then(serde_json::Value::as_str)
                         .filter(|value| !value.is_empty())
                     else {
+                        eprintln!(
+                            "agent.direct_codex.protocol_warning event=item/agentMessage/delta missing_item_id"
+                        );
                         continue;
                     };
                     CodexTurnEvent::AgentMessageDelta {