- Replace ZPL/image-based printing with ReportLab PDF generation
- Box labels: 8cm x 5cm landscape with 'BOX Nr:' header and CODE128 barcode
- Location labels: 8cm x 5cm landscape with 'Location nr:' header and CODE128 barcode
- Add /generate_box_label_pdf endpoint using same approach as print_module
- Update FG scan quick box creation to use PDF printing with default printer
- Switch from CDN QZ Tray to local patched version for pairing-key auth
- Improve error handling and logging throughout printing workflow
- Fix import issues (add mm unit to warehouse.py)
- Optimize barcode size and spacing for better readability
- Created boxes_crates table with 8-digit auto-generated box numbers
- Added manage_boxes route and full CRUD operations
- Implemented box status tracking (open/closed)
- Added location assignment functionality
- Integrated QZ Tray printing with barcode labels
- Created manage_boxes.html with table, preview, and print features
- Added 'Manage Boxes/Crates' card to warehouse main page
- Boxes can be created without location and assigned later
- Includes delete functionality for admin/management roles
- Added box statistics display
