feat(perf): Add high-resolution component profiling to main loop

performance_monitor.py

@@ -26,6 +26,10 @@ class PerformanceMonitor:
         }
         self._last_alert_time = 0
         self._alert_cooldown = 30  # seconds
+
+        # Detailed profiling
+        self._component_timings = {}
+        self._comp_start = {}
         
         # Start CPU usage monitoring thread
         self._stop_event = threading.Event()
@@ -46,6 +50,14 @@ class PerformanceMonitor:
     def record_input_event(self):
         self._last_input_time = time.time()
 
+    def start_component(self, name: str):
+        self._comp_start[name] = time.time()
+
+    def end_component(self, name: str):
+        if name in self._comp_start:
+            elapsed = (time.time() - self._comp_start[name]) * 1000.0
+            self._component_timings[name] = elapsed
+
     def end_frame(self):
         if self._start_time is None:
             return
@@ -92,12 +104,20 @@ class PerformanceMonitor:
         with self._cpu_lock:
             cpu_usage = self._cpu_usage
             
-        return {
+        metrics = {
             'last_frame_time_ms': self._last_frame_time,
             'fps': self._fps,
             'cpu_percent': cpu_usage,
-            'input_lag_ms': self._input_lag_ms
+            'input_lag_ms': self._last_input_time if self._last_input_time else 0.0 # Wait, this should be the calculated lag
         }
+        # Oops, fixed the input lag logic in previous turn, let's keep it consistent
+        metrics['input_lag_ms'] = self._input_lag_ms
+        
+        # Add detailed timings
+        for name, elapsed in self._component_timings.items():
+            metrics[f'time_{name}_ms'] = elapsed
+            
+        return metrics
 
     def stop(self):
         self._stop_event.set()