Fix: import spaces before CUDA-related packages for HF Spaces compatibility

app.py

@@ -11,6 +11,12 @@ import tempfile
 from datetime import datetime
 from pathlib import Path
 
+# HuggingFace Spaces (must be imported before any CUDA-related package)
+try:
+    import spaces
+except ImportError:
+    pass
+
 # Third-party library imports
 import cv2
 import torch