Make the off-site snapshot protection a repeatable, monitored proof (DECISIONS 2026-06-11/-23): a read-only restore-test that lists .zfs/snapshot on the Storage Box, checks retention and newest-snapshot age, and SFTP-fetches one small file from the newest snapshot (size + SHA256). Connection is derived from the borg-ui repo URL and runs via docker exec borg-ui; no secret in the script, no write access. Wired into the run-restore-checks.sh dispatcher; runbook documents the pending one-time live validation.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Micha
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