A display whose periodic update checker stops firing never pulls an APK on its
own, and a beta-channel opt-in alone doesn't reach it. The dashboard's force
button is the only lever that does, because the client's "update" handler calls
checkForUpdate(forced = true), which ignores both the backoff cap and the MDM
stand-down and hands the attempt budget back.
That command only exists over the /dashboard socket.io namespace, so there was
no way to send it from the server. socket.io-client isn't a dependency here, so
this speaks engine.io v4 directly over ws (reached out of server/node_modules,
same convention as reset-admin.js).
Owner-only by construction like mint-billing-token.js: no network endpoint, the
access control is shell access to the host. Resolves a display by id or unique
prefix, mints a short-lived platform_admin token, and reports whether the
command was delivered or queued for an offline display. --dry-run stops after
the namespace handshake so a rehearsal never puts an install dialog on a live
screen.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Uaeo9MvzKoyXuN6ZsbhtkL
