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Daniel Avila 638276cb45 improve(agent): update frontend-developer with 2025-2026 best practices (#510)
- Bump framework versions: React 19+, Vue 3.5+, Angular 20+; add Next.js 15 and Nuxt 4
- Add Framework Expertise section with per-framework modern patterns (React Compiler, Vue reactive props destructure, Angular Signals + zoneless)
- Add Tooling Defaults section: Vite 6+, Biome v2/ESLint v9 flat config, pnpm, Tailwind v4
- Add State Management Architecture section separating server state (TanStack Query) from client state (Zustand/Pinia/Signals); deprecate Redux for new projects
- Add Testing Stack section: Vitest + Testing Library, Vitest Browser Mode, MSW v2, Playwright E2E (3-5 flows)
- Upgrade accessibility from WCAG 2.1 to WCAG 2.2 AA with new criteria (2.4.11, 2.5.8, 3.3.8); add axe-core and Lighthouse CI
- Add Performance Patterns section with rendering strategy decision tree and Core Web Vitals targets (LCP/INP/CLS)
- Add AI-Assisted Development Guidelines (tsc --noEmit, CLS image flag, 200-line code-reviewer handoff)

Automated review cycle | Co-Authored-By: Claude Code <noreply@anthropic.com>
2026-04-08 08:57:21 -04:00
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