Fix: Rename 'app' to 'api_app' to avoid Gradio SDK confusion

app.py

@@ -56,8 +56,9 @@ print(f"✅ Auto-registered local node: {local_node_def.node_id}")
 orchestrator_app = create_app(service)
 
 # 4. Create a combined FastAPI app
-app = FastAPI()
-app.mount("/api", orchestrator_app)
+# 4. Create a combined FastAPI app (renamed to avoid Gradio SDK confusion)
+api_app = FastAPI()
+api_app.mount("/api", orchestrator_app)
 
 def start_local_node():
     """Start a local node in the background for the HF Space demo."""