stop_args now builds each name through unit(), the one name path start and
alive use, so the stop argv cannot disagree with the units that run (the
:* glob matched none of them on real systemd). A launch test ties stop_args
to what start passes systemctl for several instances; two binary tests run
mind-control brake hold with a fake systemctl first on PATH, so main's
stopper wiring is pinned.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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