fix: ensure member counts are accurate by syncing membership relations in all user management actions

adminfront/src/features/user-groups/routes/TenantUserGroupsTab.tsx

@@ -143,6 +143,9 @@ const MemberListDialog: React.FC<{
             <Users size={24} className="text-primary" />
             {node.name}{" "}
             {t("ui.admin.tenants.members.list_title", "구성원 관리")}
+            <span className="text-sm font-normal text-muted-foreground ml-1">
+              ({isDirectLoading ? "..." : directData?.total ?? 0})
+            </span>
           </DialogTitle>
           <DialogDescription>
             {t(
@@ -164,7 +167,7 @@ const MemberListDialog: React.FC<{
                 className="rounded-none border-b-2 border-transparent data-[state=active]:border-primary data-[state=active]:bg-transparent px-0 py-2"
               >
                 {t("ui.admin.tenants.members.direct", "소속 멤버")} (
-                {node.memberCount || 0})
+                {isDirectLoading ? "..." : directData?.total ?? 0})
               </TabsTrigger>
               <TabsTrigger
                 value="descendants"