Added
- Added Google Books API support for ISBN metadata lookups and imports.
- Re-enabled camera-based ISBN barcode scanning in Fast Add.
Improved
- Improved ISBN validation and scanner feedback, including manual and USB/Bluetooth scanner fallbacks.
- Improved CSV import metadata enrichment, timeout handling, and partial-result reporting.
- Improved Google Books request handling for more reliable metadata lookups.
Fixed
- Fixed Add Book quick ISBN lookup feedback, including the 10-digit ISBN flow.
- Fixed the internal server error when saving the default rows-per-page setting; save failures now remain visible in the settings form.
- Fixed static asset URL generation on Settings and book-detail pages.