- Add PBSStorageCredential model to database schema (fingerprint now required)
- Create PBS credentials API router with CRUD operations
- Add PBS login functionality to backup service before discovery
- Create PBSCredentialsModal component for managing credentials
- Integrate PBS credentials management into ServerStoragesModal
- Update storage service to extract PBS IP and datastore info
- Add helpful hint about finding fingerprint on PBS dashboard
- Auto-accept fingerprint during login using stored credentials
- Add backup capability before updates or as standalone action
- Implement storage service to fetch and parse backup-capable storages from PVE nodes
- Add backup storage selection modal for user choice
- Support backup+update flow with sequential execution
- Add standalone backup option in Actions menu
- Add storage viewer in server section to show available storages
- Parse /etc/pve/storage.cfg to identify backup-capable storages
- Cache storage data for performance
- Handle backup failures gracefully (warn but allow update to proceed)
