ok

src/app_controller.py

@@ -1100,8 +1100,8 @@ class AppController:
 
  def _on_api_event(self, event_name: str = "generic_event", **kwargs: Any) -> None:
   payload = kwargs.get("payload", {})
-  with self._pending_gui_tasks_lock:
-   self._pending_gui_tasks.append({"action": "refresh_api_metrics", "payload": payload})
+  # Push to background event queue, NOT GUI queue
+  self.event_queue.put("refresh_api_metrics", payload)
   if self.test_hooks_enabled:
    with self._api_event_queue_lock:
     self._api_event_queue.append({"type": event_name, "payload": payload})