hermes-gateway*/hermes-serve* units, ai.hermes.gateway* LaunchAgents and
`gateway run` processes are account-wide namespaces shared by every Hermes
install on the box. The restart phase enumerated them by name, so a scratch
home's `hermes update` drained and restarted the account's real
hermes-gateway.service and SIGTERMed sibling installs' gateways (live: #93349
comment, 2026-09-23), then warned "Fleet version check returned no rows"
because none of those runtimes belonged to the updating home.
Ownership is now judged from what a runtime actually runs on, never from the
label: the live process environment (`_hermes_home_for_pid`), the unit's
declared Environment=HERMES_HOME, or the plist's pinned HERMES_HOME, compared
against the homes the update's plan inventories (the updating root and its
profiles/<name>). Foreign or unreadable ownership is named in the output and
left alone; it is not a failed restart. Applies to the systemd fleet loop, the
catch-up best-effort restart, the launchd derived-label loop, the manual
gateway sweep, and the pre/post-restart PID snapshots that drive the
fail-closed verdict.
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