- Add MaterialTypeManagementDialog for managing MaterialsTypeToBeDeleted table
- Implement checkbox-based filtering by manager name with dynamic manager list
- Support CRUD operations: create, read, update, delete with local caching
- Add "类型管理" button in material validation tab to open the dialog
- Include select all/deselect all functionality for manager filters
- Track pending changes and show unsaved changes warning
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>