前端開發

Follow plan.md-driven development workflow with strict TDD discipline. Use when the user says "go", references plan.md, asks to proceed with next test or task, create implementation plan, or needs step-by-step test-driven development from a plan file. Enforces one test at a time with explicit user control.

This skill should be used when setting up organization-level app integrations (Reddit, Notion, LinkedIn, WordPress) with OAuth flows, encrypted token storage, API client wrappers, and usage logging in a Next.js App Router application. Use this skill when implementing external provider connections for a multi-tenant app with secure credential management, token refresh, and admin-controlled integration features.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

Validate environment configuration files across local, staging, and production environments. Ensure required secrets, database URLs, API keys, and public variables are properly scoped and set. Use this skill when setting up environments, validating configuration, checking for missing secrets, auditing environment variables, ensuring proper scoping of public vs private vars, or troubleshooting environment issues. Trigger terms include env, environment variables, secrets, configuration, .env file, environment validation, missing variables, config check, NEXT_PUBLIC, env vars, database URL, API keys.

World-class prompt engineering skill for LLM optimization, prompt patterns, structured outputs, and AI product development. Expertise in Claude, GPT-4, prompt design patterns, few-shot learning, chain-of-thought, and AI evaluation. Includes RAG optimization, agent design, and LLM system architecture. Use when building AI products, optimizing LLM performance, designing agentic systems, or implementing advanced prompting techniques.

Guide developers on writing BDD specifications using Gherkin syntax, feature files, and step definitions

Frontend coding standards, component patterns, and design system for the Guessimate Angular UI. Reference when writing or reviewing frontend code.

Regulatory guidance for U.S. mortgage servicing software. Use when working with loan data models, payment processing, loss mitigation workflows, compliance timelines, or questions about RESPA, TILA, FCRA, GSE requirements, or mortgage servicing regulations.

Modern patterns for Next.js 16 and TanStack Start v1

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 Server/Client components, or building ERP role-based pages (admin/teacher/student dashboards). Auto-use for all /app/ directory operations, dynamic routing, and App Router-specific features.

Searches GitHub repositories for code examples matching job requirements or technologies. Returns portfolio findings grouped by technology with recommendations for resume, cover letter, and interview preparation.

Human-in-the-loop iterative development. Use when requirements will emerge during implementation, decisions need human approval at each step, or work will span multiple sessions with frequent feedback loops. Creates problem statement, decisions log, runbook, and progress tracking.

WHEN: README generation/update, project documentation, installation/usage/contribution guidesWHAT: Project analysis + sectioned README templates + badges + environment variable docsWHEN NOT: API docs → api-documenter, Code comments → api-documenter

IndexedDB patterns for local-first state persistence using the idb library. Use when implementing features that require persistent state across navigation and sessions. Covers data modeling, defaults, CRUD operations, state managers, and reset patterns. Integrates with web-components for reactive UI updates.

Generate React Flow workflow UIs with nodes, edges, execution orchestration, and chat interfaces. Use when creating workflow visualizations, multi-step processes, DAG systems, or orchestrated task flows.

React best practices and patterns

Analyzes project structure, dependencies, and patterns to generate comprehensive context documentation. Uses parallel agent execution for faster analysis. Helps understand unfamiliar codebases quickly.

This skill should be used when the user asks about "how to research", "research best practices", "evaluate sources", "source credibility", "academic research", "find reliable information", "cite sources", "research methodology", or needs guidance on conducting thorough web research and evaluating information quality.

Generate Vitest unit tests following project conventions. Use when user asks to create tests, write test cases, or add test coverage for TypeScript functions.

Read a webpage into cleaned markdown using curl + markitdown + codex exec. Use whenever asked to read a webpage or extract article content from a URL. Static HTML only; JS/client-rendered pages require a Playwright workflow.