diff --git a/scripts/check-native-shells.mjs b/scripts/check-native-shells.mjs
index f99af428f..fdb11629e 100644
--- a/scripts/check-native-shells.mjs
+++ b/scripts/check-native-shells.mjs
@@ -2588,22 +2588,14 @@ function assertAiGameCreatorShellUserDevBoundary() {
       'AI game creator preview must not invoke the external browser',
     );
   }
-  const developerWindowCallCount = [
-    ...aiGameCreatorShellTauriSource.matchAll(
-      /open_developer_window\(app\.handle\(\)\)\?;/g,
-    ),
-  ].length;
   if (
-    !aiGameCreatorShellTauriSource.includes(
-      '#[cfg(all(debug_assertions, not(test)))]\npub(crate) fn open_developer_window(',
-    ) ||
-    !/#\[cfg\(all\(debug_assertions, not\(test\)\)\)\]\s+if game_chat_launch\.is_none\(\) \{\s+open_developer_window\(app\.handle\(\)\)\?;\s+\}/u.test(
-      aiGameCreatorShellTauriSource,
-    ) ||
-    developerWindowCallCount !== 1
+    aiGameCreatorShellTauriSource.includes('fn open_developer_window(') ||
+    aiGameCreatorShellTauriSource.includes(
+      'open_developer_window(app.handle())?;',
+    )
   ) {
     throw new Error(
-      'AI game creator developer window must stay compile-time debug-only and outside game-chat launch',
+      'AI game creator normal startup must not automatically open a developer window',
     );
   }
   for (const snippet of [