External folder scan now mirrors disk subfolder structure into the folder
tree instead of flattening all files into root. Hidden directories are
filtered, orphaned subfolders are cleaned up on rescan. Fixes#890.
File manager delete endpoints (folder, file, bulk) now commit before
returning the response — previously relied on post-response auto-commit,
causing a race where the frontend refetch arrived before the commit.
Host directories (NAS, USB, network shares) can now be mounted
into the File Manager without copying files. Files are indexed
into the database on scan but read directly from their original
location. Supports read-only mode, hidden file filtering, and
automatic thumbnail extraction for 3MF/STL/gcode.
- POST /library/folders/external — create with path validation
- POST /library/folders/{id}/scan — discover/sync files
- Block uploads, moves, and deletes for read-only external folders
- Never delete actual files from external paths (DB-only removal)
- Purple folder icon + info bar with rescan button in UI
- i18n for all 7 languages
- 19 backend + 11 frontend tests
maziggy