- Add slug fields to Song, Venue, Show, Tour, Performance models
- Update routers to support lookup by slug or ID
- Create slugify.py utility for generating URL-safe slugs
- Add migration script to generate slugs for existing data
- Performance slugs use songslug-YYYY-MM-DD format
- Updated import script to fix pagination and add idempotency
- Added performances list to Song Detail API and schemas
- Activated backend rating logic for performances
- Updated Landing Page branding
- Implemented frontend performance list display
