- Add PK entity fields: winner, scores, and setting_id
- Implement force start/end API endpoints for clerk PK
- Add PK lifecycle service with auto-start/end scheduling
- Add Redis-based PK state management
- Implement PK detail service with live/history/upcoming queries
- Add WeChat PK controller with history and live PK endpoints
- Add comprehensive PK integration tests
- Create PK setting management with tenant-specific configs
- Add database migrations for PK scores, winner, settings, and menu
- Add PK-related DTOs and enums (status, menu paths)
- Add TenantScope utility for tenant context management
- Add OrderRelationType enum (UNASSIGNED, LEGACY, FIRST, CONTINUED, NEUTRAL)
- Create play_clerk_customer_relation table to track first-completed history
- Add order_relation_type column to play_order_info
- Migrate existing orders to set relation types based on completion history
- Update order services to determine relation type on creation
- Update order VOs and controllers to expose relation type in API responses
- Update clerk performance calculations to account for relation types
- Update revenue calculations to distinguish between first and continued orders
- Add comprehensive API and unit tests for order relation functionality
