Frontend

Use when optimizing Tailwind CSS for production, reducing bundle size, and improving performance. Covers PurgeCSS, JIT mode, and build optimization.

Use when applying Phoenix Framework best practices including context design, controller patterns, and application architecture. Use when building Phoenix applications.

Use when React performance optimization including memoization, lazy loading, and virtualization. Use when optimizing React applications.

Manage aesthetic templates - save visual systems from completed mockups as interpretable prose, apply to new plugins with adaptive layouts

Use when building responsive layouts and mobile-first designs with Tailwind CSS. Covers breakpoints, container queries, and responsive utilities.

Use when building terminal UIs with Ink component patterns for React-based CLI applications.

Use when building modular Angular applications requiring dependency injection with providers, injectors, and services.

Guide spec-driven development workflow (Requirements → Design → Tasks → Implementation) with approval gates between phases. Use when user wants structured feature planning or says "use spec-driven" or "follow the spec process".

Use when writing low-level system software in C requiring file I/O, process management, signals, and system calls.

Use when oTP behaviors including gen_server for stateful processes, gen_statem for state machines, supervisors for fault tolerance, gen_event for event handling, and building robust, production-ready Erlang applications with proven patterns.

Use when building React Native UI components with core components, custom components, and component patterns. Covers View, Text, Image, ScrollView, FlatList, and component composition.

Create React/Vue component with TypeScript, tests, and styles. Auto-invoke when user says "create component", "add component", "new component", or "build component".

Generate frontend component tests (unit, snapshot, e2e). Auto-invoke when user says "test this component", "write component test", or "add component test".

Create Standard Operating Procedures after solving novel issues, establishing patterns, or documenting workflows. Use when user says "document this solution", "save this for next time", "create SOP".

Build full-stack web applications powered by Google Gemini's Nano Banana & Nano Banana Pro image generation APIs. Use when creating Next.js image generators, editors, galleries, or any web app that integrates gemini-2.5-flash-image or gemini-3-pro-image-preview models. Covers React components, server actions, API routes, storage, rate limiting, and production deployment patterns.

Your approach to handling frontend responsive. Use this skill when working on files where frontend responsive comes into play.

Your approach to handling frontend components. Use this skill when working on files where frontend components comes into play.

Your approach to handling frontend CSS. Use this skill when working on files where frontend CSS comes into play.

Your approach to handling frontend accessibility. Use this skill when working on files where frontend accessibility comes into play.

Technical decision criteria, anti-pattern detection, debugging techniques, and quality check workflow. Use when making technical decisions, detecting code smells, or performing quality assurance.