- Add migration script to introduce rack_type field (0=ODF, 1=optical box)
- Add RackType, LeftPortsCount, RightPortsCount properties to OdfRacks model and DTOs
- Add rack type selector and port count inputs to OdfRackForm component
- Display rack type labels in OdfRacks management table
- Add rack type badges to uni-app rack list cards
- Implement dual-column layout for optical box type in rack detail page with left/right port sections
- Add optical box port naming format (A-1, A-2, etc.) with row-based labeling
- Add visual distinction with background colors (left: #E3F2FD, right: #FFF3E0) and center divider
- Update import/export DTOs to support rack type and optical box port naming
- Mark all v1.0.2.1 tasks as completed
