Test Guardian

What This Does

Manual diagnostic skill for test health. Not an always-on hook — invoke when debugging test issues.

Workflows

Detect Async Leaks

bunx vitest --run --detectAsyncLeaks  # Vitest
bunx jest --detectOpenHandles --forceExit  # Jest

Common causes: unclosed timers, unresolved promises, open DB connections, WebSocket subscriptions.

Find Slow Queries