- Create delivery schema
- Add delivery_zones table with radius/polygon support
- Add deliveries table with status tracking and proof of delivery
- Add delivery_status_history for audit trail
- Add drivers table for delivery personnel
- Create updated_at triggers for all tables
- Add automatic status history logging trigger
- Create setup_default_zones() function for new tenants
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
