Use this skill to inspect what a Rails page currently displays, extract HTML content, or verify rendering WITHOUT starting a dev server. Useful for understanding page output before making changes, debugging views, searching for content, or testing that pages work correctly. Provides .claude/skills/render-page/scripts/render.rb for quick page inspection and HTML extraction.
Compare ERB and JavaScript template outputs for the offline scoring SPA. Use when working on ERB-to-JS conversion, debugging template parity issues, or verifying that changes to scoring views work correctly in both ERB and SPA modes.
Use when asked to run "fly ssh console", SSH into Fly.io machines, inspect files on production machines, check processes on Fly.io, or examine deployed machine state. Covers critical pitfalls like no shell support and Debian vs macOS command differences.
Working with the Navigator Go submodule for web server fixes and enhancements. Use when deployment plans require Navigator changes, config parsing issues arise, or new routing/proxy behavior is needed.
Database management commands and the bin/run utility for executing Ruby scripts against specific event databases. Use when the user needs to query, manipulate, or run scripts against existing databases without starting a Rails server.
Deployment architecture, multi-tenancy design, and environment-specific deployment commands. Use when the user asks about how the application is deployed, multi-tenant architecture with Navigator, Fly.io deployment, or frontend stack details.
Information about running tests, test coverage, and known testing issues in the Rails application. Use when the user asks about testing procedures, encounters test failures, wants to know about coverage, or needs to troubleshoot intermittent system test issues.