Trigger when the user requests a review of frontend files (e.g., `.tsx`, `.ts`, `.js`). Support both pending-change reviews and focused file reviews while applying the checklist…
Conducts comprehensive frontend code reviews including React/Vue/Angular component analysis, TypeScript/JavaScript quality assessment, CSS/styling review, performance…
Build reusable, composable, and maintainable React/Vue/Angular components following established design patterns like compound components, render props, custom hooks, and HOCs.
Build React components, pages, forms, and state management with TypeScript and TanStack Query. Use for frontend development, component creation, routing, and data fetching.
Especialista em Frontend Mobile-First, UX Black & Orange, Sistema de Cache Offline (IndexedDB), Navegação SPA v3.0 e Performance.
Quality gates for frontend code. ALWAYS use after writing React/Next.js code and before delivery. Covers: ESLint linting, TypeScript type-checking, Prettier formatting, browser…
Systematic 10-phase debugging procedure for SvelteKit 2 + Svelte 5 frontend issues. Use when components fail to render, routing breaks, runes throw errors, or Encore client calls…
Comprehensive web app testing with Playwright ensuring 100% UI coverage. Automatically crawls entire web app, analyzed the implementation code and captured ALL interactive…
Fix generic Svelte component designs by applying aesthetic upgrades across the 5 design dimensions (typography, color, motion, spatial composition, backgrounds)
Enterprise React architecture combining DDD and FSD patterns. Use when (1) designing or structuring React applications, (2) implementing Index/Types/Styles component pattern, (3)…
Create distinctive, production-grade React/TypeScript frontends with exceptional design quality
Create distinctive, production-grade Svelte/TypeScript frontends with exceptional design quality
Create distinctive, production-grade Vue 3/TypeScript frontends with exceptional design quality
Frontend development guidelines for Next.js + React 19 + shadcn/ui applications. Modern patterns including App Router, Server Components, Client Components, Server Action — from…
Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSuspenseQuery, file organization with features dir — from…
Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSuspenseQuery, file organization with features dir — from…
Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSuspenseQuery, file organization with features dir — from…
Frontend development guidelines for Next.js + React 19 + shadcn/ui applications. Modern patterns including App Router, Server Components, Client Components, Server Action — from…
Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSuspenseQuery, file organization with features dir — from…
Build React components, implement responsive layouts, and handle client-side state management. Masters React 19, Next.js 15, and modern frontend architecture.
Comprehensive frontend development specialist for building modern web applications with React, Vue, Angular, and modern tooling including state management, testing, and…
Pro frontend engineering discipline. Enforces build-test-verify workflow for every web project. Never declare done until the site is built, tested, responsive, accessible, and…
Operate as a frontend engineer who defends UX quality, enforces performance budgets, and partners with design instead of just closing tickets.
Domain specialist for frontend architecture, state management, accessibility, and performance. Scope: component architecture, state management (Pinia, Vuex, Redux), accessibility…
Auto-invoke when reviewing React, Vue, or frontend component code. Enforces component architecture, state management patterns, and UI best practices.
Professional frontend standards for building, scaffolding, extending, or reviewing any UI or frontend project — new or existing — even when standards aren't explicitly asked for.
Conventions for decoupled/headless frontends — a React SPA (or Next.js) consuming Optimizely's Content Delivery API / Optimizely Graph (GraphQL) rather than Razor server…
Frontend UI/UX work with Gemini CLI in --yolo mode. Use when (1) modifying visual/styling elements in frontend files (.tsx, .jsx, .vue, .svelte, .css), (2) implementing UI…
You are a React component architecture expert specializing in scaffolding production-ready, accessible, and performant components.
Use when working with Next.js App Router tasks - creating pages in /app/, setting up dynamic routes ([id]/page.tsx), implementing nested layouts/templates (layout.tsx), optimizing…
Especialista en React 18, TypeScript, Tailwind CSS y conexión con API multi-tenant. — from engineering/frontend
Especialista en React 18, TypeScript, Tailwind CSS y conexión con API multi-tenant. — from engineering/frontend
Coordinates frontend development tasks (React, TypeScript, UI/UX). Use when implementing user interfaces, components, state management, or visual features.
Make a frontend fast to a budget: analyze and code-split the bundle by route, lazy-load heavy/below-the-fold, optimize images/fonts, minimize hydration (RSC/islands), kill…
Visual QA gate for frontend code. ALWAYS use before delivering any UI changes - navigate, screenshot, verify console is error-free.
Frontend architecture - reusable components, abstraction thresholds, state management, no-op detection (skip any operation whose result equals the current state - form saves,…
Modern React stack: React 19, TypeScript, Tailwind CSS, Vite, TanStack Query. Use when: building React apps, components, state management, or UI.
Creates safe refactor plans for messy UI code including component splitting strategies, state simplification, performance optimizations, and accessibility improvements.
Implementa frontends Next.js (App Router) com UI alinhada ao design system, Atomic Design, TypeScript, SCSS, ShadCN sem Tailwind, DTOs Zod, React Hook Form, middleware/auth, RBAC…
Generates detailed frontend component specs, design tokens, and implementation guides optimized for AI-assisted development with React/TypeScript.
Use when building or refactoring frontend features that benefit from splitting layout, implementation, and review work across multiple Codex agents.
Frontend state quality checklist for React, Vue, Svelte, stores, side effects, forms, and data fetching.
Build stunning component libraries with Storybook mastery. Expert in component documentation, visual testing, and design systems.
Build stunning component libraries with Storybook mastery. Expert in component documentation, visual testing, and design systems.
Frontend TDD Agent. React/Next.js 기반 TDD 테스트 작성 및 구현을 담당합니다. 테스트 먼저 작성 후 구현하는 Red-Green-Refactor 사이클을 따릅니다.
Senior Frontend QA Engineer with 10+ years JavaScript/TypeScript testing experience. Use when writing unit tests for React components, creating integration tests with React…
Generate Vitest + React Testing Library tests for Desktop Ethereal frontend components, hooks, and utilities.
Use when testing, debugging, or making targeted improvements to rendered frontend apps through the Build Web Apps or web dev plugin: local dev servers, UI regressions, in — from…
Comprehensive frontend testing with Playwright, Cypress, Jest, and React Testing Library. Covers E2E testing, component testing, unit testing, visual regression, and accessibility…
Tester les composants React avec Vitest + Testing Library. Utiliser quand on teste le rendu ou les interactions.
All TypeScript types are defined in `frontend/types/index.ts`. Types match backend API response structure and provide type safety across the frontend application.
Applies React/TypeScript type safety, component design, and state management rules. Use when implementing React components.
Master TypeScript's type system for bulletproof JavaScript applications. Expert in advanced types, generics, and type-safe patterns.
Designs tests with React Testing Library, MSW, and Playwright E2E. Applies component testing and E2E testing patterns.
Builds production-quality Avalonia UIs — MVVM with CommunityToolkit.Mvvm, compiled bindings (`x:DataType`, `x:CompileBindings`), `DataTemplate`s, theming via…
Implement or extend a user-facing workflow in a web application, integrating with existing backend APIs.
Verify and test Angular 18 frontend changes using Chrome DevTools MCP. Automatically check console errors, network requests, and visual rendering after implementing tasks or when…
编写 BK-CI 前端 Vue 页面和组件时使用，例如 Vue 组件开发、Vuex 状态管理、接口调用、样式约定和页面交互实现。当用户要改前端页面而不是后端服务时优先使用。
Use when building Angular applications, creating TypeScript components, implementing reactive forms, managing state, working with RxJS observables, or developing modern web UI…
Advanced frontend web development expert system that provides comprehensive modern web development services including architecture design, UI/UX implementation, performance…