Add payment/notification prefs, assisted pharmacist codes, Rx status journey, and mock payment intents so demo flows match the storefront brief.
Co-authored-by: Cursor <cursoragent@cursor.com>
Guests can generate a shareable GSH code for admin fulfillment; sign-in now supports Google, email, phone, and Telegram demos, with the backend spec updated.
Co-authored-by: Cursor <cursoragent@cursor.com>