Unified frontend build tooling guide. Vite 8 (Rolldown bundler / dev server), Vitest 4 (testing), tsdown (library bundling), pnpm 11 (package management), Turborepo (monorepos), TypeScript 7 native compiler. Use when working with vite.config.ts, vitest, tsdown.config.ts, pnpm-workspace.yaml, turbo.json, or tsconfig.
Frontend design & UI guide. Production-grade interface building, Web Interface Guidelines compliance review, UnoCSS semantic token system (antfu-design). Use when building web components, pages, dashboards, landing pages, or when reviewing UI/accessibility/design quality.
Nuxt full-stack Vue framework with SSR, auto-imports, and file-based routing. Use when working with Nuxt apps, server routes, useFetch, middleware, or hybrid rendering.
VitePress static site generator powered by Vite and Vue. Use when building documentation sites, configuring themes, or writing Markdown with Vue components.
Accessibility (a11y) for Vue 3 apps. Semantic templates, ARIA component patterns (modal, tabs, menu, combobox), focus management with Teleport and router navigation, accessible forms and errors, automated testing with axe. Use when building UI components, reviewing for accessibility, WCAG compliance, keyboard navigation, or screen reader support.
Server-state and data fetching for Vue 3. Pinia Colada (useQuery/useMutation, caching, invalidation, optimistic updates), Vue Router Data Loaders, choosing between fetch layers, race conditions, SSR concerns. Use when fetching API data, caching server responses, handling loading/error states, or wiring mutations in Vue apps.
Forms and validation in Vue 3. v-model/defineModel patterns, custom form controls, schema validation with VeeValidate 4 + Zod, async validation, multi-step wizards, submission states, unsaved-changes guards, accessible error messaging. Use when building or reviewing forms, inputs, validation, or file uploads in Vue.
Diagnose and fix Vue 3 performance problems. Profiling workflow (DevTools, render tracking), rendering optimization (shallowRef, v-memo, virtual lists, Vapor Mode), bundle size (code splitting, async components, Rolldown analysis), memory leak hunting. Use when a Vue app is slow, janky, large, or leaking memory — or when reviewing for performance.