Use when touching frontend files to classify visual vs logic changes before acting

Create distinctive, production-grade HTML/CSS frontends with exceptional design quality

Enterprise React architecture combining DDD and FSD patterns. Use when (1) designing or structuring React applications, (2) implementing Index/Types/Styles component pattern, (3) setting up Service/Hook 1:1 mapping with React Query and Axios, (4) configuring Zustand state management, (5) applying TypeScript conventions for maintainable codebases. Triggers include architectural decisions, folder structure planning, data layer design, and code organization tasks.

Creates jaw-dropping, production-ready frontend interfaces AND delivers perfectly matched real photos (Unsplash/Pexels direct links) OR flawless custom image-generation prompts for hero images, backgrounds, and illustrations. Zero AI slop, zero fake URLs.

Systematic approach to building consistent, maintainable frontend UI components with design systems and component libraries

Create distinctive, production-grade Vue 3/TypeScript frontends with exceptional design quality

Build accessible, responsive, and performant frontend components with design system best practices, modern CSS, and framework-agnostic patterns.

前端开发规范，包含 Vue 3 编码规范、UI 风格约束、TypeScript 规范等

Build Blazor components, pages, and layouts following the MudBlazor design system

Design systems, component libraries, responsive UI/UX, accessibility. Build premium interfaces that enterprise clients expect.

Quality-first frontend development workflow for Pulse Radar.

Image sourcing for UI. Free first (DiceBear avatars, Unsplash photos, unDraw illustrations). AI generation only for custom needs.

프론트엔드 개발 스킬. React 컴포넌트, 커스텀 훅, Tailwind 스타일링. UI 작업 시 사용.

Polished SaaS landing page components. Use for number tickers/stats animations, logo marquees, bento grids, device mockups (iPhone, Safari), shimmer/rainbow buttons, typing effects. Professional marketing polish built on Framer Motion + Tailwind. For dramatic hero effects use Aceternity, for basic UI use shadcn.

Network resilience patterns for frontend - retry logic, exponential backoff, error handling, offline detection

React 19 및 Next.js 16 패턴을 적용하는 스킬

frontend-react

State-driven interactive animations with built-in state machines. Use when animations must REACT to user input (hover, click, drag), have multiple states/transitions, or respond to data values (progress bars, counters). Ideal for animated buttons, toggles, checkboxes, characters. For simple play/loop animations use Lottie instead.

Secure Solana frontends against phishing, bad prompts, and unsafe signing requests. Use for audits of wallet UX and dApp sites.

DEFAULT foundation component library for all React/Next.js UI needs. Use as the starting point for any project needing buttons, inputs, dialogs, forms, tables, navigation, modals, dropdowns, and other standard UI elements. Built on Radix UI + Tailwind CSS. Check shadcn FIRST before reaching for other libraries.

Document frontend data needs for backend developers. Use when frontend needs to communicate API requirements to backend, or user says 'backend requirements', 'what data do I need', 'API requirements', or is describing data needs for a UI.

**Purpose**: Guidance for creating TypeScript type definitions following existing patterns from `frontend/types/index.ts`.

Implement purposeful, performant animations that enhance UX without overwhelming users. Focus on key moments: hero intros, hover feedback, content reveals, and navigation transitions.

Build responsive frontend pages and reusable UI components with clean layouts and modern styling.

Designer-turned-developer who crafts stunning UI/UX even without design mockups

This skill guides creation of distinctive, emotionally expressive frontend interfaces that balance technical precision with organic imperfection. Build React + TypeScript + Tailwind applications with

Use when building Angular applications, creating TypeScript components, implementing reactive forms, managing state, working with RxJS observables, or developing modern web UI with TypeScript.

>

Frustration Eradication Skill

Feature-Sliced Design architecture for frontend. Use when creating new features, slices, or understanding the FSD layer structure.

fsharp-backend

fsharp-frontend

fsharp-persistence

fsharp-shared

fsharp-validation

Conduct comprehensive compliance screening using all available tools including sanctions, PEP, adverse media, UBO, and business registry checks for thorough due diligence

Ability to develop both front-end and back-end systems, integrating user interfaces with server logic and databases.

Full-stack development fundamentals - architecture, patterns, integration

Use when implementing features across frontend and backend, building APIs with UI, or creating end-to-end data flows. Invoke for feature implementation, API development, UI building, cross-stack work.

Comprehensive validation methodology for multi-component applications including backend, frontend, database, and infrastructure

Comprehensive guide for implementing Fullstory's Analytics Events API (trackEvent) for web applications. Teaches proper event naming, property structuring, type handling, and e-commerce event patterns. Includes detailed good/bad examples for funnel tracking, feature usage, conversion events, and SaaS subscription flows to help developers capture meaningful business events for analytics and segmentation.

Comprehensive guide for implementing Fullstory's User Anonymization API (setIdentity with anonymous:true) for web applications. Teaches proper logout handling, session management, privacy compliance, and user switching scenarios. Includes detailed good/bad examples for logout flows, multi-user applications, and privacy-conscious implementations.

Comprehensive guide for implementing Fullstory's Asynchronous API methods (Async suffix variants) for web applications. Teaches proper Promise handling, await patterns, error handling, and when to use async vs fire-and-forget methods. Includes detailed good/bad examples for initialization waiting, session URL retrieval, and conditional flows to help developers handle Fullstory's asynchronous nature correctly.

Strategic meta-skill for Fullstory data semantic decoration. Teaches when to use page properties vs element properties vs user properties vs events. Provides a deterministic framework for scoping data at the right level to maximize searchability, avoid duplication, and maintain consistency. Essential foundation for proper Fullstory implementation across all API types.

Comprehensive guide for implementing Fullstory's User Identification API (setIdentity) across web applications. Teaches proper uid handling, property passing, re-identification behavior, and session management. Includes detailed good/bad examples for login flows, multi-account scenarios, and SPA applications to help developers correctly identify users for analytics and session replay.

Comprehensive guide for implementing Fullstory's Element Privacy Controls (fs-exclude, fs-mask, fs-unmask) for web applications. Teaches proper privacy class usage, understanding what data leaves the device, CSS selector rules, and Form Privacy features. Includes detailed good/bad examples for protecting sensitive elements while maintaining session replay utility.

Strategic guide for data privacy in Fullstory implementations. Teaches developers how to decide what data to send, mask, exclude, hash, or replace with joinable keys. Covers regulatory compliance (GDPR, HIPAA, PCI, CCPA), privacy-by-design principles, and balancing analytics value with privacy protection. Acts as a decision framework that references core privacy skills.

Comprehensive guide for implementing Fullstory's User Consent API for web applications. Teaches proper consent flow implementation, selective capture modes, GDPR/CCPA compliance patterns, and cookie consent integration. Includes detailed good/bad examples for consent banners, preference centers, and privacy-conscious recording to help developers implement privacy-compliant session recording.

Create MDX documentation files with proper frontmatter, imports, and component integration. Apply when creating or updating Fumadocs documentation pages in content/docs/.