- Update Unit interface to allow null installation
- Include specialist.Unit and specialist.Unit.Installation in API includes
- Add Unit and Installation fields to subspecialist detail view
- Simplify list configuration headers and update keys for specialist name
- Implement detail view for subspecialist with specialist relation
- Add position management functionality including CRUD operations
- Create new components for detail display and position listing
- Update service to handle position-related requests
- Include employee selection for position assignments