add debug to show which weight files we’re using this run

app.py

@@ -112,6 +112,11 @@ def caption_frame(frame, size, model_file, clip_file, interval_ms, sys_prompt, u
     timestamp = time.strftime('%H:%M:%S')
     debug_msgs.append(f"[{timestamp}] Received frame shape: {frame.shape}")
 
+   # show which weight files we’re using this run
+    timestamp = time.strftime('%H:%M:%S')
+    debug_msgs.append(f"[{timestamp}] Using model weights: {model_file}")
+    debug_msgs.append(f"[{timestamp}] Using CLIP weights:  {clip_file}")
+
     t_resize = time.time()
     img = cv2.resize(frame.copy(), (384, 384))
     elapsed = (time.time() - t_resize) * 1000