fix: --exit idle fallback scans TAP output for failures

fix: --exit falls back to idle detection when tests bypass globals

debug: log registered/completed counts in --exit runner

fix: --exit snapshot registration count after all imports to prevent …

…early exit

fix: --exit tracks it() completion count instead of relying on node:t…

…est events

fix: --exit listens for node:test diagnostic instead of beforeExit

fix: use beforeExit instead of hardcoded timeout for --exit runner

fix: pathToFileURL is from node:url not node:path

release v0.5.23

release v0.5.22