R510 -> R730XD/Proxmox migration helpers (consistent DB dumps, B2/Kopia snapshot refresh, cutover final backup) plus the previously-untracked gitea-portainer-registry cutover plan under docs/. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
R510 -> R730XD/Proxmox migration helpers (consistent DB dumps, B2/Kopia snapshot refresh, cutover final backup) plus the previously-untracked gitea-portainer-registry cutover plan under docs/. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>