fixing regresssions

src/app_controller.py

@@ -822,13 +822,6 @@ class AppController:
   sys.stderr.write("[DEBUG] _process_event_queue entered\n")
   sys.stderr.flush()
 
-  def tick_perf():
-   while True:
-    self.perf_monitor.start_frame()
-    time.sleep(0.01) # Measurable frame time
-    self.perf_monitor.end_frame()
-    time.sleep(0.006) # Aim for ~60 FPS total
-  threading.Thread(target=tick_perf, daemon=True).start()
   while True:
    event_name, payload = self.event_queue.get()
    sys.stderr.write(f"[DEBUG] _process_event_queue got event: {event_name} with payload: {str(payload)[:100]}\n")