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Generates JUnit 5 and Mockito unit tests or Testcontainers integration tests, auto-detecting project setup. Use when user asks to "write tests", "generate tests", "add unit tests", "create test class", "test this service", or "write integration tests".

Utilize esta skill para decisões estratégicas, análise de negócios, resolução de problemas complexos, pesquisa acadêmica, design de sistemas, ou qualquer questão que se beneficie da desconstrução por Primeiros Princípios e raciocínio multiagente, mesmo que a consulta pareça simples.

ClaudeSkillz: For when you need skills, but lazier

Turn a bug symptom into a fix with a regression test that locks it down. If the user opens vague ("there's a bug", "/diagnose"), interview them one question at a time until you have enough to attempt a reproduction; if you still cannot reproduce, say so explicitly. Then drive the work through five phases — build a deterministic feedback loop, reproduce, hypothesise, probe, write a spec — and hand

Use when planning or implementing an intentional migration from JavaScript, jQuery, HTML/CSS, server-rendered templates, or MPA legacy frontend code to React + TypeScript or Vue 3 + TypeScript while preserving behavior. Do not use for routine legacy bug fixes that stay in the old stack; Chinese triggers include 遗留项目, 技术栈升级, jQuery 迁移.

Pomodoro — focus timer with music (alias for /focus)

Foundational plotting library. Create line plots, scatter, bar, histograms, heatmaps, 3D, subplots, export PNG/PDF/SVG, for scientific visualization and publication figures.

Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup

This skill provides comprehensive knowledge for integrating Vercel KV (Redis-compatible key-value storage powered by Upstash) into Vercel applications. It should be used when setting up Vercel KV for Next.js applications, implementing caching patterns, managing sessions, or handling rate limiting in edge and serverless functions. Use this skill when: - Setting up Vercel KV for Next.js applications

Astro DB — defineDb, defineTable, column types, CRUD with db.select/insert/update/delete, db/config.ts, db/seed.ts, Turso for production, type-safety, integration with Astro Actions. Use for any database operation in an Astro project.

Use when partner provides a complete implementation plan to execute in controlled batches with review checkpoints - loads plan, reviews critically, executes tasks in batches, reports for review between batches

Use when designing UI components, creating design systems, reviewing visual design, or checking accessibility compliance. Triggers on "design system", "UI review", "color palette", "font pairing", "accessibility audit", "responsive design", "WCAG check". Auto-activates when ui-ux-designer agent is working. Data-driven: 160 palettes, 73 font pairings, 161 product types, 98 UX guidelines, 25 chart t