Frontend

Use when implementing offline-first patterns with MMKV storage and React Query persistence in React Native.

Virtual reality (VR) reality tech. Locomotion, comfort defaults, controllers/hands, performance budgets, and interaction patterns.

Provides design direction and visual system for web UI. Defines layout, typography, colour, and overall aesthetic for product (SaaS/admin/data-heavy) or marketing/brand experiences. Use when choosing visual direction, selecting colour palettes and fonts, establishing layout patterns, or starting a new UI design system.

Open and control Three.js views/examples in Annolid Bot sessions.

Use when changing frontend dashboard config, topology, or playground surfaces that reflect router behavior.

Design story architecture. Use when starting a new project or rethinking structure.

Use this skill when working with Spartacus Server-Side Rendering (SSR). Trigger when the user mentions SSR engine development, SSR E2E tests, server-side rendering issues, hydration problems, or needs to run SSR-related commands like 'npm run test:ssr' or 'npm run build:ssr'. Also trigger when working with files in 'core-libs/setup/ssr' or 'projects/ssr-tests/'.

Core Web Vitals optimization, Lighthouse audits, and performance monitoring.

To go back in browser history, navigate to the previous page from the current page.

Snapshots are useful for detecting unintended UI changes but shouldn't be the only testing strategy Use when writing and organizing tests. Testing category skill.

Complete Godot Engine knowledge base combining official documentation and source code analysis

Mobile design patterns for touch interfaces and platform conventions.

Create React components following project standards.

Implement APCA/WCAG2 contrast requirements and solver behavior per src/planning/spec-v0.3.md and src/planning/roadmap-v0.3.md, with minimal tests.

Design render budget systems that prevent UI regressions under heavy load.

Model UI updates as transactions to ensure consistency across complex interactions.

React Testing Library patterns and best practices. User-centric testing, queries, events, and assertions. Trigger: When testing React components with RTL.

React Native patterns for Expo and bare RN. Use when building React Native applications.

Minimal Vue landing page with Nuxt for Netlify.

To inspect the Flutter widget tree of the running app, retrieve the widget hierarchy after connecting to the Dart Tooling Daemon.

Build high-integrity experimentation frameworks within React applications.

Implement or modify VMark React UI with project conventions (Zustand selectors, Tailwind v4, shadcn/ui). Use for components, hooks, stores, and UI behavior changes.

External links and in-app browsing: Link component, openURL environment, SFSafariViewController, URL handling. Use when opening URLs, adding web links, or embedding an in-app browser. Triggers: Link, openURL, SFSafariViewController, URL, website, browser.

Browser automation tool using Playwright - captures screenshots and extracts content from web pages

Use when adding or changing request or response header contracts and the downstream user-visible reveal or display path.

Svelte 5 patterns, gotchas, and solutions. Use when working with Svelte 5/SvelteKit, especially for reactivity, SSR, and state management issues.

UX Design and Interaction Guidance. Focuses on user experience logic, interaction patterns, and usability principles.

Static web development skill for beginners and non-developers. Covers HTML/CSS/JavaScript and Next.js App Router basics. Project initialization with "init starter" or "starter init". Use proactively when user is a beginner or wants a simple static website. Triggers: static website, portfolio, landing page, HTML CSS, beginner, first website, simple web, personal site, init starter, starter init, 정적 웹, 포트폴리오, 랜딩페이지, 초보자, 첫 웹사이트, 간단한 웹, 静的サイト, ポートフォリオ, 初心者, 静态网站, 个人网站, 初学者, sitio web estático, portafolio, página de inicio, principiante, primer sitio web, site web statique, portfolio, page d'accueil, débutant, premier site web, statische Website, Portfolio, Landingpage, Anfänger, erste Website, sito web statico, portfolio, pagina di destinazione, principiante, primo sito web Do NOT use for: fullstack apps with backend, authentication features, or database needs.

Use Park UI components in portal. Check this skill before implementing UI to find the right component.

Debug web and Node.js applications using console inspection, network analysis, and non-blocking code debugging. Use when the user reports bugs, wants to debug JavaScript (browser or backend), inspect network requests, troubleshoot page/API issues, trace function calls, or monitor exceptions.

Vue 3 development with Composition API, reactivity system, component patterns, TypeScript integration, and best practices.

React Native coding patterns, best practices, and common solutions for mobile development. Use when implementing features or refactoring code.

Pinia state management for Vue 3 including store creation, actions, getters, plugins, and DevTools integration.

フロントエンドトラブルシューティング。Web Audio/Tailwind/OGP/React/SSE/SNS連携等

Comprehensive SAC scripting skill for SAP Analytics Cloud Analytics Designer and Optimized Story Experience. This skill should be used when the user asks to "create SAC script", "debug Analytics Designer", "optimize SAC performance", "planning operations in SAC", "filter data in SAC", "use DataSource API", "chart scripting", "table manipulation", "SAC event handlers", "version management", "data locking", or works with SAC widgets, planning models, or analytics applications.

Debug the Lightdash app using PM2 logs, Spotlight traces, and browser automation. Use when investigating issues, tracking down bugs, understanding request flow, or correlating frontend actions with backend behavior.

页面视觉风格规范。当需要新建页面、重构页面样式、或确保页面风格一致性时使用此 skill。适用于：(1) 新建 Vue 页面 (2) 重构现有页面样式 (3) 检查页面是否符合设计规范 (4) 统一页面风格

Multi-perspective UI/UX roasting workflow with iterative improvement cycles

C# and Unity development standards for Mark's projects.

Generate QML components with proper property bindings, signal/slot connections, and Qt Quick Controls integration

Zodライブラリによるランタイムバリデーション、スキーマ定義、TypeScript型推論を専門とするスキル。 型安全なバリデーションロジックを設計・実装し、API・フォーム・ドメイン層での検証を網羅する。 Anchors: • Zod Official Documentation / 適用: スキーマAPI・バリデーション / 目的: 公式パターン準拠 • Effective TypeScript (Dan Vanderkam) / 適用: 型設計・型推論 / 目的: ランタイム安全性担保 • @hookform/resolvers / 適用: フォーム統合 / 目的: React Hook Form連携 Trigger: Use when implementing runtime validation with Zod, defining TypeScript schemas, integrating form validation (react-hook-form), or validating API requests/responses. Keywords: zod, schema, safeParse, refine, z.infer, zodResolver.

WPF CustomControl과 ResourceDictionary를 통한 Stand-Alone Control Style 작성

Design for mobile devices first, then scale up to larger screens. Create responsive interfaces that work seamlessly across all device sizes.

Guide d'installation Astro + Tailwind sur Windows. Covers Node.js setup, pnpm, project creation, common Windows issues, and troubleshooting.

Develop native iOS apps with Swift. Covers MVVM architecture, SwiftUI, URLSession for networking, Combine for reactive programming, and Core Data persistence.

Expo Router file-based navigation patterns. Use when implementing navigation.

Add a new feature to the Next.js app following best practices

Modern React framework for building full-stack web applications with App Router, Server Components, and optimized performance

Full-stack AI application generator with Next.js, AI SDK, and ai-elements. Use when creating chatbots, agent dashboards, or custom AI applications. Triggers: chatbot, chat app, agent dashboard, AI application, Next.js AI, useChat, streamText, ai-elements, build AI app, create chatbot

Integrate AsyncRedux with the flutter_hooks package. Covers adding flutter_hooks_async_redux, using the useSelector hook, and combining hooks with AsyncRedux state management.