Database Schema Designer
Design a normalized database schema from business requirements.
Design a {{database}} schema for {{application}}. Requirements: {{requirements}} Provide: 1. Entity-relationship description 2. CREATE TABLE statements with proper types, constraints, and indexes 3. Foreign key relationships with ON DELETE behavior 4. Indexes for expected query patterns 5. Migration script 6. Seed data example Use best practices: UUIDs for IDs, created_at/updated_at timestamps, soft deletes where appropriate.