Add ask_madam function to Gradio interface for MCP server

- Updated gr.Interface to include both functions as a list
- ask_madam now accessible through MCP server alongside get_stock_etf_info_url
- Configured proper inputs/outputs for multi-function interface

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

app.py

@@ -65,5 +65,10 @@ def ask_madam(question):
     except requests.exceptions.RequestException as e:
         return f"Error communicating with Madam API: {str(e)}"
 
-demo = gr.Interface(fn=get_stock_etf_info_url, inputs=["text", "text", "text"], outputs="text", allow_flagging="never")
+demo = gr.Interface(
+    fn=[get_stock_etf_info_url, ask_madam], 
+    inputs=[["text", "text", "text"], "text"], 
+    outputs=["text", "text"], 
+    allow_flagging="never"
+)
 demo.launch(mcp_server=True)