feature-implementation

Use when: implementing new features, adding CRUD functionality, creating new pages/routes/components, adding database tables, building new API endpoints, adding worker processors, extending the platform with new capabilities, or when asked to 'add a feature', 'create a new module', or 'build X'. Covers end-to-end implementation across Next.js App Router, NestJS worker, Drizzle ORM, BullMQ queues, React components, RBAC permissions, and all SuperCheck architectural conventions.