{"auth":"Most /ai and /api routes require Authorization: Bearer <Firebase ID token> or X-Guest-Token: <token from /auth/guest-token>","endpoints":{"guest_token":"/auth/guest-token","health":"/health","ready":"/health/ready"},"message":"This is an API. The user-facing app is at https://dev.chopchopmol.com","service":"chopchopmol-dev-backend"}