v1.8.3

Added

Automatic daily metadata backup to JSON (background job)
Admin panel: Backup & Restore tab with manual backup, download, and restore
Streaming backup/restore for large datasets (millions of entries)
Circles/Teams support: team folders assigned to circles are now correctly detected

Fixed
Fixed search index not updating when saving metadata
Search index now updates directly on save instead of via background job
Admin panel now shows all team folders regardless of membership
Added groupfolder access checks on all metadata endpoints