Historical demo — may not work. Expects a Pyx API at
http://127.0.0.1:8765 (e.g. npm run dev or python3 app.py from the repo).
If you opened this from the public site, chat will usually fail until you run the API locally.
For a supported web chat, use Pyx Talk.
Scripts: this page loads pyx-ai-chat.js from the same folder (/artifacts/).