Bootstrap project and safe work-item workflow

delivery_backlog/stories/US07-05-backup-operations.md

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+# US07-05 — Deliver Backup and Operational Recovery
+
+Epic: [E07](../E07-hardening-release.md)
+
+As an operator, I want documented and tested backup/recovery procedures so application
+state can be restored after migration failure, database damage, or storage loss.
+
+## Acceptance criteria
+
+- Online backup includes database consistency, required manifests, configuration
+  references, and retention guidance without copying secrets into logs.
+- Integrity checks, migration rollback/recovery, archive media handling, and restore
+  drills have step-by-step documentation.
+- Operational diagnostics report DB/WAL/cache/log/thumbnail sizes and low-disk risks.
+- Legacy-process locking prevents incompatible simultaneous mutations.
+
+## Automated tests
+
+- Recovery drills restore backups into fresh roots and run integrity/reconciliation.
+- Tests cover failed migration, corrupt copy detection, retention, and process locking.
+
+## Dependencies
+
+- US07-01, US07-04