TDD workflow for Rails applications. Use when implementing features or fixing bugs. Provides Red-Green cycle with test decision framework.
This skill should be used when the user asks to "upload a file", "share this", "host this temporarily", "get a shareable link", "publish to paste.sevos.io", or mentions sharing HTML pages, code snippets, or artifacts. Proactively offer when user creates HTML artifacts or previews that could be shared.
This skill should be used when the user asks to "download this video", "get the transcript", "save this clip", "rip audio from", "get subtitles for", "transcribe this video", or mentions YouTube URLs, yt-dlp, or video/audio extraction. Use for any video downloading, transcript extraction, or format troubleshooting.
This skill should be used when the user asks to "translate to Sindarin", "write in Elvish", "Sindarin grammar", "Elvish translation", "speak Sindarin", "Tolkien Elvish", or mentions Sindarin language, Grey-elven, or needs help with Elvish linguistics from Tolkien's legendarium.
This skill provides expert guidance on implementing Ruby on Rails applications using 37signals (Basecamp/HEY) patterns and conventions. Use when building Rails features, implementing authentication, authorization, multi-tenancy, background jobs, or Hotwire/Turbo/Stimulus following 37signals patterns.
Create interactive HTML visualizations for any concept - technical documentation, business processes, tutorials, architecture diagrams, or educational content. Supports multiple formats (long-page, slideshow, dashboard, infographic) with Mermaid diagrams, syntax highlighting, and responsive design. Use when user requests visual documentation, presentations, learning materials, or disposable HTML documents. Triggers include "create visualization", "HTML document", "presentation", "onboarding guide", "tutorial page", "explain with diagrams", or "interactive documentation".