Add named teams and per-user data visibility (own/team/org) with settings UI and org module.

apps/api/src/users/dto.ts

@@ -67,3 +67,8 @@ export class UpdateUserCommissionDto {
   @Max(100)
   commissionPercent!: number;
 }
+
+export class UpdateUserVisibilityDto {
+  @IsIn(['own', 'team', 'org'])
+  dataVisibility!: 'own' | 'team' | 'org';
+}