- backup.sh: snapshot all of /data as timestamped tar.gz to local NAS path;
push to B2 only when a real bucket/key is set (no more nonexistent app.db).
- compose: working CMD-SHELL healthcheck; mount /mnt/user/Backup target.
- remove the accidentally committed moon-household-budget-handoff/ scaffolding.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
