Fix port conflict: Change Flask app port from 5001 to 5002

- Updated main.py to use port 5002 instead of 5001
- Resolves 'Address already in use' error
- Ensures smooth API startup for testing
- Web interface now available at http://localhost:5002

main.py

@@ -361,4 +361,4 @@ if __name__ == '__main__':
     print(f"Model loaded: {detector.model is not None}")
     print(f"Hardcoded test image: {HARDCODED_IMAGE_PATH}")
     
-    app.run(host='0.0.0.0', port=5001, debug=True)
+    app.run(host='0.0.0.0', port=5002, debug=True)