
Run repository linting and formatting with auto-fix. Use when the user asks to fix lint issues, run formatting, or clean up code style. Execute `bun run lint:fix`, then `bun run format`, and report any remaining issues that need manual attention.
Generate and optionally apply Drizzle database migrations for this repository. Use when the user asks to create migrations from schema changes, inspect generated SQL, or run database migrations. Execute `bun run db:generate`, show the generated SQL for review, and only run `bun run db:migrate` if the user explicitly asked to apply migrations.
Start the local development server for this repository. Use when the user asks to run the app locally, start the Next.js dev server, or check whether the dev server boots. Execute `bun dev` and report when the server is ready or if startup errors occur.
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.
Run TypeScript type checking for this repository. Use when the user asks to typecheck, validate TypeScript changes, or inspect compiler errors. Execute `bun run typecheck`, summarize any errors, and suggest targeted fixes when type errors remain.
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".
Sync `messages/en.json` and `messages/ja.json` for this repository. Use when the user asks to update translations, fill missing Japanese strings, or remove stale i18n keys. Run `bun run build` before reading translations, then add missing Japanese entries, fill empty values, remove stale keys, preserve key order from `en.json`, and keep placeholders, ICU syntax, and brand names unchanged.
Create a git commit for staged and unstaged changes in this repository. Use when the user asks to commit the current work, prepare a commit message, or stage and commit changes. Review git status and diffs, follow recent commit message style, avoid staging secrets such as .env files, create a concise conventional commit message, make the commit, and verify the result.