Unit Testing

Production-tested setup for Zustand state management in React applications with TypeScript.This skill provides comprehensive patterns for building scalable, type-safe global state.Use when: setting up global state in React, migrating from Redux or Context API, implementingstate persistence with localStorage, configuring TypeScript with Zustand, using slices patternfor modular stores, adding devtools middleware for debugging, handling Next.js SSR hydration,or encountering hydration errors, TypeScript inference issues, or persist middleware problems.Prevents 5 documented issues: Next.js hydration mismatches, TypeScript double parenthesessyntax errors, persist middleware export errors, infinite render loops, and slices patterntype inference failures.Keywords: zustand, state management, React state, TypeScript state, persist middleware,devtools, slices pattern, global state, React hooks, create store, useBoundStore,StateCreator, hydration error, text content mismatch, infinite render, localStorage,

PR 作成後に .github/workflows/ci.yml が失敗したときの対応手順。ローカルで pytest 全ケースを実行し、エラー有無で分岐。エラーがあれば修正して commit-push スキルでコミット・プッシュ、無ければ GitHub Actions のログを確認して原因を特定する。

Senior ISMS Audit Expert for internal and external information security management system auditing. Provides ISO 27001 audit expertise, security audit program management, security control assessment, and compliance verification. Use for ISMS internal auditing, external audit preparation, security control testing, and ISO 27001 certification support.

How to run tests in this project. Load when implementing or verifying code.

Author or update Locque .lq code and tests with the canonical M-expr syntax, CBPV rules, data/match forms, modules/imports/opens, and project conventions.

Generate comprehensive tests for architectural layers with coverage-first analysis.Use when testing specific layers (core, domain, application, infrastructure, boundary).Reads testing strategy from playbook or uses interactive template selection.

Implement testing patterns for PhotoVault using Playwright and Vitest. Use when writing E2E tests, unit tests, API route tests, or debugging flaky tests. Includes PhotoVault test fixtures, page objects, and Stripe webhook testing patterns.

Systematically analyzes and fixes GitHub CodeQL security alerts with proper documentation and testing

Master when to fail fast vs degrade gracefully. Production-tested error handling strategies for GitHub Actions, CI/CD pipelines, and platform automation.

Executa testes end-to-end em aplicacoes React locais (Vite) usando Playwright. Permite validar formularios, capturar logs e inspecionar UI.

Validate production builds, check bundle sizes, verify deployment readiness. Use when building for production, validating build output, checking bundle optimization, testing production server, or preparing for deployment.

Comprehensive n8n workflow engineering support for creating production-ready workflows. Use when users need to generate n8n workflows, debug loop execution issues, implement nested operations, design data table architectures, fix anti-patterns, create parallel processing patterns, handle webhook callbacks, or build complex multi-tier workflows. Provides battle-tested patterns that work around known n8n bugs and limitations.

React 컴포넌트와 관련 파일들(hook, style, test)을 생성합니다. 사용자가 "컴포넌트 만들어", "새로운 React 컴포넌트", "컴포넌트 생성"과 같은 요청을 할 때 사용합니다.

Create powerful presentations using Steve Jobs's 3-Second Rule methodology. Applies the Billboard Test principles for minimal cognitive load, maximum visual impact, and elegant slide design. Use when creating product launches, pitches, explanations, or any live presentation that requires high audience retention and visual clarity. Automatically integrates with Claude's PPTX skill to generate professional PowerPoint files and always applies the Sentient Brand Guidelines skill to ensure consistent branding.

Standardized, hypothesis-driven debug investigation workflow for unexpected behavior, regressions, incidents, flaky tests, or production issues. Use to plan instrumentation, reproduce with decisive signals, compare runs, and narrow root cause without assuming any vendor or infrastructure.

Use this skill to validate code changes pass all checks (format, lint, build, tests). Runs validation script and iteratively fixes failures. Invoke before finalizing PRs or after making code changes.

基于NFR性能要求，生成性能测试场景和关键性能指标（KPI）。L3级别专用，当性能需求明确后使用。

Production-tested setup for Cloudflare Workers with Hono, Vite, and Static Assets.Use when: creating new Cloudflare Workers projects, setting up Hono routing with Workers,configuring Vite plugin for Workers, adding Static Assets to Workers, deploying with Wrangler,or encountering deployment errors, routing conflicts, or HMR crashes.Prevents 6 documented issues: export syntax errors, Static Assets routing conflicts,scheduled handler errors, HMR race conditions, upload race conditions, and Service Workerformat confusion.Keywords: Cloudflare Workers, CF Workers, Hono, wrangler, Vite, Static Assets, @cloudflare/vite-plugin,wrangler.jsonc, ES Module, run_worker_first, SPA fallback, API routes, serverless, edge computing,"Cannot read properties of undefined", "Static Assets 404", "A hanging Promise was canceled","Handler does not export", deployment fails, routing not working, HMR crashes

Complete REST API development workflow coordinating backend, database, testing, documentation, and DevOps agents. 2-week timeline with TDD approach.

Chrome DevTools E2E testing expert. Ultra-fast testing with optimized workflow (navigate → snapshot → batch interactions → verify). Auto-invokes after frontend features or on keywords "test", "E2E", "browser", "chrome", "UI testing".