Frontend Engineer Skill

Purpose: Expert frontend engineering with simplified pragmatic architecture, React 19, TanStack ecosystem, and Zustand state management. Provides implementation examples for building testable, maintainable, scalable frontend applications.

When to Use:

• Implementing frontend features and components
• Setting up project structure
• Creating pages and state management
• Designing gateway injection patterns
• Setting up HTTP communication and routing
• Organizing feature modules
• Performance optimization and code splitting

NOTE: For UI component design, Tailwind styling, shadcn/ui setup, responsive layouts, and accessibility implementation, defer to the ui-designer skill. This skill focuses on architecture, state management, and business logic orchestration.

Documentation Lookup (MANDATORY)