The vitest subprocess guard's 60 s tracking timer could outlive the test
that spawned it and fire during a later test's afterEach, producing
spurious "Timed out after 60000ms" failures attributed to a different
test name under concurrent recursive test load.
Scope "Left running" reporting + SIGKILL to the current test's procs but
always clear each tracked subprocess's timer so it cannot fire later.
Bump the post-test grace from 200 ms to 1 s to absorb event-loop
contention from slow git shells.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
ec6643e4d9