chore: add HuggingFace Spaces GPU decorator support

Add optional spaces import and guard; apply spaces.GPU decorator when available for GPU inference on Spaces deployments without impacting local runs.

app.py

@@ -16,6 +16,13 @@ from typing import Dict, List, Any, Optional, Tuple, Union
 import gc
 import warnings
 
+# HuggingFace Spaces support
+try:
+    import spaces
+    SPACES_AVAILABLE = True
+except ImportError:
+    SPACES_AVAILABLE = False
+
 # Suppress warnings for cleaner output
 warnings.filterwarnings("ignore")
 
@@ -959,6 +966,10 @@ def health_check():
         }
 
 
+# Apply HuggingFace Spaces GPU decorator if available
+if SPACES_AVAILABLE:
+    create_app = spaces.GPU(create_app)
+
 if __name__ == "__main__":
     # Create and launch the application
     try: