- Add per-job `schedule` (systemd OnCalendar) overrides and document the
global `backup_schedule` / `backup_randomized_delay` knobs.
- Run `restic unlock` before backup/forget/check so a run killed mid-flight
no longer wedges every later run on a stale exclusive lock.
- Publish backup manifests for fdroid, immich and unifi, so the inventory
decides only where (repositories, retention, schedule).
- Document that `read_data_subset` re-reads on every job targeting the
repository, so a large repository wants a small fraction.
Clément Désiles
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