Feature: NIP-17 order intake transport (gift-wrapped DMs)
Feature: festival / venue aggregator view (NIP-51 list)
Deployment + monetization — review LNbits docs and pick a model
Cost-of-goods + margin-driven pricing — derive menu prices from material costs
Loyalty / customer fidelity — Nostr-native points and tiers
Production / kitchen workflow — prep stations, courses, expo, floor monitor
Inventory: raw materials, batches, expiry, harvest-to-table
Epic: tiered operator modes — bar / bistro / full restaurant