macintorsten

Code refactoring patterns and techniques for improving code quality without changing behavior. Use for cleaning up legacy code, reducing complexity, or improving maintainability.

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.

JavaScript and TypeScript development with ES6+, Node.js, React, and modern web frameworks. Use for frontend, backend, or full-stack JavaScript/TypeScript projects.

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

Fetch recent git data and transform it into clear, human-readable newsletter articles in a single pass. Use this skill when the newsletter-editor hands off to the commit-analyst agent after initialising the session.

Assemble the final newsletter Markdown file from all content stored in session_store. Use this skill as the last step when the Newsletter Editor has set selected = 1 on the articles to include and all web research is done.

Research a topic on the internet to provide extra context for something mentioned in a git commit or newsletter article. Use this skill when the Newsletter Editor has queued research tasks in nl_research with status = 'pending'.

End-to-end frontend testing with Playwright Java and Chromium. Use for UI validation, form testing, API interaction verification, and screenshot capture on failures.

Test Driven Development (TDD) workflow automation for Java Spring Boot projects. Use for writing tests, checking coverage, generating test scaffolds, and implementing Red-Green-Refactor cycles with JUnit 5, Mockito, and Testcontainers.

Research Maven dependency updates with breaking changes, release notes, and security information