fix: explicit server_name + port for HF Space

app.py

@@ -290,4 +290,4 @@ with gr.Blocks(title="The Agent Reliability Stack — Live Demo", theme=gr.theme
     )
 
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch(server_name="0.0.0.0", server_port=7860)