feat(mma): Finalize Orchestrator Integration and fix all regressions

performance_monitor.py

@@ -38,11 +38,21 @@ class PerformanceMonitor:
 
     def _monitor_cpu(self):
         while not self._stop_event.is_set():
-            # psutil.cpu_percent is better than process.cpu_percent for real-time
-            usage = self._process.cpu_percent(interval=1.0)
-            with self._cpu_lock:
-                self._cpu_usage = usage
-            time.sleep(0.1)
+            # psutil.cpu_percent with interval=1.0 is blocking for 1 second.
+            # To be responsive to stop_event, we use a smaller interval or no interval 
+            # and handle the timing ourselves.
+            try:
+                usage = self._process.cpu_percent()
+                with self._cpu_lock:
+                    self._cpu_usage = usage
+            except Exception:
+                pass
+                
+            # Sleep in small increments to stay responsive to stop_event
+            for _ in range(10):
+                if self._stop_event.is_set():
+                    break
+                time.sleep(0.1)
 
     def start_frame(self):
         self._start_time = time.time()