Restaurant online ordering

Build a pickup/delivery ordering site for a single restaurant.

Core features:
1. Menu with categories, modifiers (size, extras), photos
2. Cart, Stripe payment, pickup time slot picker
3. Kitchen view: incoming orders, mark ready
4. Admin: 86 items, set daily hours

Data: menu_items, modifiers, orders, order_items, time_slots.
Must-haves: mobile-first, printable order ticket, SMS on ready (Twilio).