fec3953009
- Three category scopes: personal / group / system (watch) - PascalCase-with-dashes naming convention enforced at backend + frontend - is_group_admin flag on GroupMembership; PATCH endpoint for admins to toggle it - Categories router: scope-based list/create/rename/delete with _check_can_manage_cat - Documents router: delete uses is_admin + can_delete share flag + group-admin check; remove_category requires doc ownership; assign_category accepts group/system categories - Proxy layers inject x-user-is-admin and x-user-admin-groups headers - Frontend: ManageCategoriesDialog grouped by scope with lock icons; SourcePanel scope picker + client-side name validation; AdminGroupsPage group-admin checkbox Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>