Under gateway.multiplex_profiles a secondary's api_server and webhook are never built as
adapters (run_adapters skips SHARED_LISTENER_MIRROR_PLATFORMS: the default's listener answers
/p/<profile>/...). The multiplexer record therefore has no `<profile>:api_server` entry,
profile_platforms_from_multiplexer() returned {} for them and both /api/messaging/platforms
and /api/status?profile= fell through to `pending_restart`: the Desktop Messaging card and
Command Center said "Restart needed" forever for a platform that was answering.
- gateway.status.shared_listener_mirror_platforms projects the default's LIVE api_server /
webhook entry onto every served secondary with `ingress_url` = `<listener>/p/<profile>/v1`
(`.../webhooks/<route>`); a dead default listener is not mirrored. The api_server / webhook
adapters stamp the listener they actually bound (`listener_base`) on connect so the URL is
the real one, not a config guess. `hermes status` lists those URLs beside the other
shared-ingress platforms.
- /api/status?profile= reports `gateway_shared_with` (every profile the multiplexer carries)
when the served rung answered; null for a standalone gateway.
- Desktop: the messaging card shows the URL line; "Restart gateway" from a served profile
(statusbar menu, Cmd+K, messaging/webhooks banners, Command Center) confirms "Restart the
shared gateway? All bots on this device reconnect: default, alpha, beta" (Restart all /
Cancel) and toasts "Shared gateway restarted (3 bots)". Standalone keeps the silent path.
- Dashboard: same confirm + toast on the System page and the sidebar restart; the 409 from
start/stop on a served profile renders as an inline notice instead of a raw error toast.