- deploy/backup.sh / deploy/restore.sh (compose service or local container; side-by-side test restore)
- restore: chown copied backup for sqlservr, fail loudly on unreadable file list
- README: update, backup, test-restore and rollback steps
Validated locally: backup 194 MB, restored into a test DB with identical counts, test DB dropped.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
