Fix ASGI app loading error by renaming app.py to main.py to avoid module conflict

Dockerfile

@@ -20,5 +20,5 @@ RUN chmod +x start.sh
 # Expose HF Space port
 EXPOSE 7860
 
-# Run the FastAPI application (HF Spaces expects app.py at root)
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+# Run the FastAPI application 
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]

app.py → main.py

@@ -2,4 +2,4 @@
 from app.main import app
 
 # This file is required by Hugging Face Spaces
-# It simply imports and exposes our FastAPI app
+# It exposes our FastAPI app at the root level