Frontend

React component patterns including functional components, hooks, state management, API integration, loading/error states, and event handlers. Use when creating or reviewing React components.

Implement loading, error, success, and empty state components for Vue 3. Use when creating toast notifications, loading spinners, empty state pages, or status indicators. Mentions "loading state", "empty state", "toast component", "error UI", or "success message".

iOSアプリのローカライズ（多言語対応）を支援するスキル。String Catalog (.xcstrings) とXcode 26の型安全なシンボル生成機能を使ったローカライズを実現。使用シーン：(1) プロトタイプから本番実装への書き換え時にテキストをローカライズする (2)「このテキストをローカライズして」などの明示的な指示 (3) 新しい画面や機能追加時にUIテキストのローカライズが必要な場合

Frontend design system utilities with component libraries, theme management, responsive design tools, and accessibility features.

Teaches React Testing Library patterns for React 19 components. Use when writing component tests, testing interactions, or testing with Server Actions.

Pre-merge security validation detecting secrets, user-specific paths, insecure SSH configurations, and security-weakening flags. Use before committing code/documentation, before creating PRs, or during QA validation. Supports automated scanning with severity-based enforcement (CRITICAL blocks merge, HIGH requires fixes).

Optimize frontend performance with techniques for code splitting, lazy loading, caching, image optimization, and Core Web Vitals. Learn profiling and performance budgeting.

Creates animations with Framer Motion/Motion including transitions, gestures, layout animations, and scroll effects. Use when animating React components, creating page transitions, adding gesture interactions, or building animated interfaces.

DHEPLab academic website management. Content creation, publication sync,Substack integration, and deployment for the Astro 5 + Tailwind 4 site.USE WHEN user says 'website', 'dheplab site', 'lab website', 'add to website','sync publications', 'sync substack', 'deploy site', 'preview build','create blog post', 'add team member', 'update research area'.

Master core development paths: Frontend (3-6 mo), Backend (6-12 mo), Full Stack (6+ mo), DevOps (1-2 yr). Get learning sequences and tech stacks.

Use for quick self-review of small changes. For comprehensive review or cross-domain changes, dispatch @code-reviewer agent instead.

HTML-first development with CSS-only interactivity patterns. Use when building features that work without JavaScript, using native HTML elements, CSS pseudo-classes, and the View Transitions API.

Analyzes and transforms prompts using 7 research-backed frameworks (CO-STAR, RISEN, RISE-IE, RISE-IX, TIDD-EC, RTF, Chain of Thought, Chain of Density). Provides framework recommendations, asks targeted questions, and structures prompts for maximum effectiveness. Use when users need expert prompt engineering guidance.

Discovers all Claude Code agents in the system including built-in, plugin, project, and user-level agents. Use when you need to find which agents are available, understand the agent ecosystem, or prepare agents for Actoris registration.

SPYLT product landing with GSAP scroll animations, React 19, and Tailwind CSS 4.

Comprehensive SaaS architecture planner for Next.js and Supabase applications. Converts ideas into production-ready technical plans with database schemas, file structures, feature breakdowns, and week-by-week development roadmaps. Use when planning subscription-based applications, multi-tenant SaaS products, or building from idea to launch with Next.js and Supabase stack.

Generates .prettierignore to exclude build outputs, dependencies, and generated files from Prettier formatting. Prevents formatting of dist/, node_modules/, and coverage/ directories.

Create GitHub Issues for client deliverables in DaveX2001/deliverable-tracking repo (discovery: requirements-clarity). Evaluate at requirements-clarity when user mentions tracking, deliverables, commitments, or "create deliverable". Extracts What/Why/Done from conversation context, prompts for missing info via AskUserQuestion, applies dynamic client labels.

Implement approved plans into production-ready code. Use when user wants to build, implement, code, or execute an approved plan. Activates when user says 'let's build', 'implement this', 'start coding', or 'execute the plan'.

Build stablecoin-first dapps on Tempo (TIP-20 payments, memos, fee tokens, sponsorship, batching, TIP-403 compliance, and stablecoin DEX).