單元測試

Ensures comprehensive test coverage following Rails testing best practices

Work on Rust crates in packages/rust_viterbo. Use for crate layout, commands (fmt/clippy/test/bench), and coding conventions.

Use Open Props CSS custom properties for consistent design tokens. Use when setting up design systems, choosing spacing/color values, or wanting battle-tested CSS variables without heavy dependencies.

Execute E2E tests for the account service with proper server setup, test execution, and cleanup. Use when user requests account E2E testing, test execution, or running Playwright tests for account features.

Provides instructions to run the unit tests for project in a consistent and cost efficient way

Evaluates Catz Android coding challenge submissions against SWORD Health requirements. Use when reviewing or assessing this coding challenge. Produces a structured markdown report with seniority level assessment (Junior/Mid/Senior/Staff) and confidence rating, covering requirements compliance, architecture, code quality, testing, and documentation.

Validates Testing Phase completion before advancing to Finalization Phase. Checks test execution results, coverage targets, test quality, and environment health. Ensures 100% test pass rate required by quality gates.

Provides battle-tested patterns, best practices, and code examples for building Phaser 3 games. Use when writing game code, implementing game mechanics, setting up scenes, handling physics, animations, input, or any Phaser-related development. Covers architecture, performance, algorithms, and common pitfalls.

Your approach to handling testing pytest. Use this skill when working on files where testing pytest comes into play.

Increase test coverage from 0% to 80%+ in ANY project, ANY testing framework

Gyazo APIを使用して最新の画像を取得して表示するスキル

This skill is used to verify Android features against acceptance criteria, catch regressions and define tests that reflect real device behaviour.

Use when implementing any feature or bugfix, before writing implementation code - write the test first, watch it fail, write minimal code to pass; ensures tests actually verify behavior by requiring failure first

Use this skill when the user needs help building, testing, or deploying custom LimaCharlie extensions.

Generate comprehensive test suites for components. Use when writing tests, adding tests, creating test suites, testing a component, or adding test coverage.

Production-tested setup for Base UI (@base-ui-components/react) - MUI's unstyled component librarythat provides accessible, customizable React components using render props pattern. This skillshould be used when building accessible UIs with full styling control, migrating from Radix UI,or needing components with Floating UI integration for smart positioning.Use when: Setting up Base UI in Vite + React projects, migrating from Radix UI to Base UI,implementing accessible components (Dialog, Select, Popover, Tooltip, NumberField, Accordion),encountering positioning issues with popups, needing render prop API instead of asChild pattern,building with Tailwind v4 + shadcn/ui, or deploying to Cloudflare Workers.⚠️ BETA STATUS: Base UI is v1.0.0-beta.4. Stable v1.0 expected Q4 2025. This skill providesworkarounds for known beta issues and guidance on API stability.Keywords: base-ui, @base-ui-components/react, mui base ui, unstyled components, accessible components,render props, radix alternative, radix

Generate two distinct, creative, and copyright-compliant ad copy variations based on campaign parameters and research insights. Use when creating advertising text content including headlines, body copy, and calls-to-action. Triggers on requests to write ad copy, create ad text, generate headlines, or develop platform-specific ad messaging for A/B testing.

Enforce test-first changes and debug based on failing tests.

Angular 21 development patterns for this project. Use when writing or reviewing Angular components, services, templates, or tests.

UX design expert for user research, personas, journey mapping, information architecture, wireframing, prototyping, usability testing, and accessibility. Creates user-centered designs with WCAG 2.1 AA/AAA compliance.