=== step 1: clear (full output, nothing filtered)
	LC_ALL = (unset),
	LC_CTYPE = "UTF-8",
	LC_NUMERIC = (unset),
	LC_COLLATE = (unset),
	LC_TIME = (unset),
	LC_MESSAGES = (unset),
	LC_MONETARY = (unset),
	LC_ADDRESS = (unset),
	LC_IDENTIFICATION = (unset),
	LC_MEASUREMENT = (unset),
	LC_PAPER = (unset),
	LC_TELEPHONE = (unset),
	LC_NAME = (unset),
[INFO] [settings] Loaded settings from /opt/docker/felhom-controller/data/settings.json
[INFO] [settings] restore hold CLEARED for docmost
[INFO] [settings] Settings saved
restore hold cleared for docmost in settings.json.
  NOW RESTART THE CONTROLLER, or it will keep refusing to start the app:
    systemctl restart felhom-controller-bootstrap.service
  Check the app's data first — the undo copies are in its unit's db-dumps dir.
=== step 2: verify the FILE immediately, before any restart
  restore_holds = None
=== step 3: restart, then verify the file AGAIN (the lost-update check)
  after restart restore_holds = None
