Repeaters now report their firmware version (REQ_TYPE_GET_OWNER_INFO),
checked daily and after a reboot, into meshcore_repeater_info. Firmware
changes show as Grafana annotations and in the web UI node list.
Repeaters on keymind/Cascade firmware keep 7 days of half-hourly battery
voltage and MCU temperature. With history = true and an admin login, the
collector fetches enough days via the remote CLI to fill gaps after
missed polls, writing them to meshcore_repeater_history.
rich
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