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 dcf02c0d8..a93dd519d 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
@@ -3709,8 +3709,9 @@ mod tests {
             "fixture-model",
             &workspace,
             CodexAppServerWorkspaceMode::DirectProject,
-            None,
+            Some("direct-turn-0001"),
         );
+        assert_eq!(turn["clientUserMessageId"], "direct-turn-0001");
         assert_eq!(
             turn.pointer("/sandboxPolicy/writableRoots/0"),
             Some(&serde_json::json!(workspace))