fix: rename app.py to main.py to avoid package import conflict

- uvicorn now uses main:app instead of app:app
- Prevents Python from importing the 'app' package instead of app.py

app.py → main.py

@@ -244,8 +244,9 @@ app.mount("/", gradio_app.app)
 app.post("/a2a/v1")(handle_a2a_message)
 
 
-# Health check
+# Health check (HF expects 200 on /)
 @app.get("/health")
+@app.get("/healthz")
 async def health() -> JSONResponse:
     agent = _ensure_agent()
     return JSONResponse(
@@ -256,6 +257,11 @@ async def health() -> JSONResponse:
         }
     )
 
+# Root endpoint for HF space page
+@app.get("/")
+async def root() -> JSONResponse:
+    return JSONResponse({"service": "A2A Cloud Coder", "status": "running"})
+
 
 # Agent card endpoint
 @app.get("/.well-known/agent-card.json")
@@ -286,5 +292,5 @@ async def oauth_client() -> JSONResponse:
 
 if __name__ == "__main__":
     import uvicorn
-
+    print("🚀 Starting uvicorn on port", int(os.getenv("PORT", 7860)))
     uvicorn.run(app, host="0.0.0.0", port=int(os.getenv("PORT", 7860)))

start.sh

@@ -77,4 +77,4 @@ fi
 
 # Start the application with uvicorn directly
 echo "🎯 Starting uvicorn on port ${PORT:-7860}"
-exec python -m uvicorn app:app --host 0.0.0.0 --port ${PORT:-7860} --log-level info
+exec python -m uvicorn main:app --host 0.0.0.0 --port ${PORT:-7860} --log-level info