Enhance Gradio interface for ammonia status display

- Updated the Gradio interface to load the display_message function dynamically, improving the status display mechanism.
- Changed the launch configuration to show the API in the demo.
- Specified a minimum version requirement for Gradio in requirements.txt.

app.py

@@ -5,6 +5,7 @@ def display_message():
 
 with gr.Blocks() as demo:
     gr.Markdown("# アンモニア態窒素ステータス")
-    output_text = gr.Textbox(label="ステータス", value=display_message(), interactive=False)
+    output_text = gr.Textbox(label="ステータス", interactive=False)
+    demo.load(fn=display_message, inputs=None, outputs=output_text, api_name="status")
 
-demo.launch(mcp_server=True)
+demo.launch(show_api=True)

requirements.txt

@@ -1,4 +1,5 @@
 gradio[mcp]
 supabase
 numpy
+gradio>=4.0.0
 python-dotenv