merge: integrate origin dev into dev

Includes Worksmobile SSOT sync comparison updates, UUID import conflict resolution, and Playwright route mock stabilization.

adminfront/src/lib/adminApi.ts

@@ -726,7 +726,6 @@ export type BulkUserAppointment = {
 };
 
 export type BulkUserItem = {
-  userId?: string;
   email: string;
   loginId?: string;
   name: string;
@@ -764,6 +763,7 @@ export type BulkUserResult = {
   success: boolean;
   message?: string;
   userId?: string;
+  modifiedFields?: string[];
 };
 
 export type BulkUserResponse = {