After a reboot the app was simply gone because it only ever ran as a
foreground `npm start`. deploy/freezmo.service runs the production build
under systemd (user), restarts on crash and starts at boot:
- ExecStart runs next start directly (no npm wrapper), 0.0.0.0:3207.
- AssertPathExists=.next/BUILD_ID refuses to start without a build.
- After/Wants network-online, and After=ollama.service for local mode.
- README: install steps, useful commands, and the stop-build-start
sequence for manual rebuilds (build and running server share .next/).
Installed and verified locally: enabled in default.target.wants with
linger already on, active after a stop/start cycle, 200 on
127.0.0.1:3207 and the LAN IP, and it self-heals after a kill -9.
