Replace arbitrary timeouts with condition polling for reliable async tests
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.
Dispatch code-reviewer subagent to review implementation against plan or requirements before proceeding
Systematically trace bugs backward through call stack to find original trigger
Postgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.
Four-phase debugging framework that ensures root cause investigation before attempting fixes. Never jump to solutions.
TDD for process documentation - test with subagents before writing, iterate until bulletproof