The git-status restore could not see ignored files, so a test keeping state under
target/ polluted the next mutant (an uncovered mutant read CAUGHT). The baselines now
run once in one container whose filesystem holds the revision; that container is
`docker commit`ted to a throwaway image and each mutant runs in a fresh --rm container
from it. restore(), dirtied() and tree_state() are deleted. ygg-verify.sh gains
RUN_ON_HOST=1 (the driver owns container topology; the watchdog kills by job label).
testparse.sh: LOADFAIL for file-level FAIL lines (no " > "), jest "●" names and jest
Tests: counts. Mock docker, jest and vitest-variant fixtures, soul2 reproducer.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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