React Frontend Expert When to Use Activate this skill when: - Creating or modifying React components (functional components only) - Writing custom hooks ( ) - Building pages with routing - Implementing data fetching with TanStack Query - Handling forms with validation - Setting up project structure for a React/TypeScript application Do NOT use this skill for: - Writing component or hook tests (use ) - E2E browser testing (use ) - API contract design (use ) - Backend implementation (use ) - Deployment or CI/CD (use ) Instructions Project Structure Component Structure Functional Components Only…