Update code and remove binary assets

README.md

@@ -9,7 +9,7 @@ app_file: app.py
 pinned: false
 license: mit
 short_description: Don't just plan the trip. Design the flow.
-social_image: assets/demo.png
+thumbnail: https://cdn-uploads.huggingface.co/production/uploads/660ffb10d1eab2dd6da8a060/0AFXUPGhKtD3K7RHYT-Ek.png
 
 tags:
   - mcp-in-action-track-enterprise