Web & Frontend

majiayu000 Bundle

Use this skill whenever the user wants to set up, improve, or run frontend tests (unit, component, and E2E) for a Next.js (App Router) + TypeScript + Tailwind + shadcn/ui project using Vitest/Jest, React Testing Library, and Playwright.

majiayu000 Bundle

Install the FastTransfer component (registry item name is transfer) for intent-based cross-chain transfers with allowance flow and progress UI.

majiayu000 Bundle

Patterns for building AI chatbot frontends using OpenAI ChatKit with Next.js App Router, including custom backend integration via ChatKit Python SDK.

majiayu000 Bundle

Domain expert reviewer representing operational hydrologists in Central Asia, Nepal, Switzerland, and the Caucasus. Use when: (1) making frontend/dashboard changes targeted at hydrologists, (2) writing or updating documentation for end users, (3) reviewing forecast results and skill metrics after module changes, (4) evaluating visualizations and UI decisions. This skill provides critical review and suggestions - read-only, no edits. Understands resource constraints.

majiayu000 Bundle

Hybrid permission system - role-based + user overrides, frontend/backend patterns

majiayu000 Bundle

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.

majiayu000 Bundle

Visual regression testing, responsive design validation, and WCAG accessibility compliance testing.

majiayu000 Bundle

High-quality React component authoring focused on single responsibility, low coupling, and English-only code and comments. Use when adding or refactoring client components in this repo to enforce modularity, composability, and clarity without mixing responsibilities.

majiayu000 Bundle

Master animations - Reanimated 3, Gesture Handler, layout animations, and performance optimization

majiayu000 Bundle

Master deployment - EAS Build, Fastlane, App Store, Play Store, and OTA updates

majiayu000 Bundle

React Native best practices optimized for AI agents. Contains 16 rules across 7 sections covering performance, architecture, and platform-specific patterns. Use when building React Native or Expo apps, optimizing mobile performance, implementing animations or gestures, or working with native modules.

majiayu000 Bundle

Use when implementing navigation in React Native apps with React Navigation. Covers stack, tab, drawer navigation, deep linking, and navigation patterns.

majiayu000 Bundle

Implements React Server Components (RSC) patterns with Next.js App Router including data fetching, streaming, selective hydration, and server/client composition. Use when users request "server components", "RSC", "Next.js app router", "server-side rendering", or "streaming".

majiayu000 Bundle

React 18 + Vite + Tailwind CSS v4 frontend development for Vigil Guard v2.0.0 configuration interface. Use when building UI components, creating forms, implementing API integration for 3-branch detection, working with JWT authentication, managing routing, handling ETag-based concurrency control, implementing branch health monitoring, arbiter configuration, or fixing controlled component issues with getCurrentValue() pattern (CRITICAL for Select/Toggle components).

majiayu000 Bundle

Best practices for Remotion - Video creation in React

majiayu000 Bundle

Research Tanstack Query (React Query) patterns for server state management using Exa code search and Ref documentation

majiayu000 Bundle

Review React hook usage for React 19 compliance and best practices

majiayu000 Bundle

Autonomous browser control via Chrome DevTools Protocol and Accessibility Tree for full screen control like GPT Operator. Use when user requests "control my screen", "verify Lovable", "test scrapers", "debug DOM", "autonomous testing", or any browser automation task. NO screenshots - uses CDP + semantic queries for 10x faster, 100% reliable element targeting.

majiayu000 Bundle

Teach server action authentication and security patterns in Next.js 16. Use when implementing server actions, form handlers, or mutations that need authentication.

majiayu000 Bundle

Security-first visual testing combining URL validation, PII detection, and visual regression with parallel viewport support. Use when testing web applications that handle sensitive data, need visual regression coverage, or require WCAG accessibility compliance.

majiayu000 Bundle

Comprehensive patterns and best practices for Next.js 16 Server Actions including mutations, error handling, revalidation, type safety, and form handling. Use when user needs to create, modify, or debug server actions, handle form submissions, implement optimistic updates, or work with server-side data mutations.

majiayu000 Bundle

Review custom components and layouts against shadcn design patterns, theme styles (Maia, Vega, Lyra, Nova, Mira), component structure, composability, and Radix UI best practices. Use when planning new components, reviewing existing components, auditing spacing, checking component structure, or verifying shadcn best practices alignment.

majiayu000 Bundle

Use this skill whenever the user wants to set up, configure, or refactor shadcn/ui in a Vite + React + TypeScript project (non-Next.js), including Tailwind, components.json, theming, and component structure.

majiayu000 Bundle

Preact Signals for reactive state management, signal vs computed signal usage, batch updates for performance, action creator patterns, signal integration with React components, state management by domain (boards posts members), reactive patterns, and signal best practices for ree-board project

majiayu000 Bundle

Performance optimization and continuous improvement for sobriety.tools recovery app. Use for load time optimization, offline capability, crisis detection, performance monitoring, automated issue detection. Activate on "sobriety.tools", "recovery app perf", "crisis detection", "offline meetings", "HALT check-in", "sponsor contacts". NOT for general Next.js help, unrelated Cloudflare Workers, or non-recovery apps.

majiayu000 Bundle

Solid Router navigation: use <A> component for links with activeClass, useNavigate for programmatic navigation, useParams/useSearchParams for route params, redirect for server-side navigation.

majiayu000 Bundle

Build accessible user interfaces using semantic HTML, proper ARIA attributes, keyboard navigation, color contrast, and screen reader compatibility. Use this skill when creating or modifying frontend components, HTML templates, React/Vue/Svelte components, forms, interactive elements, navigation menus, modals, or any UI elements. Apply when working with HTML files, JSX/TSX components, template files, ensuring keyboard accessibility, implementing focus management, adding alt text to images, creating form labels, testing with screen readers, managing ARIA attributes, maintaining color contrast ratios, or building heading hierarchies. Use for any task involving UI accessibility compliance, WCAG standards, or inclusive design patterns.

majiayu000 Bundle

Expert-level state management with Redux Toolkit and Zustand using TypeScript. Handle complex application state including shopping carts, user authentication, product catalogs, API state management, and advanced patterns. Generate production-ready store configurations, slices, hooks, and complete implementations across React, Next.js, and universal applications. Use when building scalable state management solutions with TypeScript for e-commerce, authentication, async operations, and complex state architectures.

majiayu000 Bundle

Use when configuring interactive controls and args for Storybook stories. Helps create dynamic, explorable component demonstrations with proper type constraints.

majiayu000 Bundle

Use when creating or modifying Storybook stories for components. Ensures stories follow CSF3 format, properly showcase component variations, and build successfully.

majiayu000 Bundle

This skill should be used when configuring Supabase Auth for server-side rendering with Next.js App Router, including secure cookie handling, middleware protection, route guards, authentication utilities, and logout flow. Apply when setting up SSR auth, adding protected routes, implementing middleware authentication, configuring secure sessions, or building login/logout flows with Supabase.

majiayu000 Bundle

Produces comprehensive system architecture plans for features and products including component breakdown, data flow diagrams, system boundaries, API contracts, and scaling considerations. Use for "system design", "architecture planning", "feature design", or "technical specs".

majiayu000 Bundle

System 테스트 작성 및 실행. pytest 기반, docker-compose.acceptance.yml 필수, 4단계 순서(infra→component→integration→scenarios). 네이밍 test_{대상}_{시나리오}_{예상결과}. poetry run pytest system-tests/ 실행. Fail Fast - 모든 응답 필드/타입/에러 엄격 검증, 예상외 필드/부작용은 실패 처리.

majiayu000 Bundle

Background utilities Tailwind CSS v4.1. Colors (bg-{color}, palette OKLCH P3), Gradients (bg-linear-*, bg-radial-*, bg-conic-* NEW), Images (bg-cover, bg-contain, bg-repeat), Blend modes.

majiayu000 Bundle

Tailwind CSS performance optimization including v4 improvements and best practices

majiayu000 Bundle

Technical Architect & Delivery Strategist who synthesizes product requirements and UI/UX designs into clear, actionable Technical Design Documents (TDD). Translates business flows into concrete system architecture and implementation plans. Defines end-to-end implementation paths with well-scoped phases and clear responsibility assignments. Specifies frontend-backend contracts (APIs, events, payloads, states, error models). Documents data models, integrations, security, and non-functional requirements. Explains happy paths and failure scenarios including edge cases, retries, fallbacks, and recovery. Enables confident implementation and smooth collaboration. Use when creating technical specifications, designing system architecture, planning implementation, defining APIs, or translating design into engineering work.