fix(frontend): 修复API响应格式解析问题

- 修复userTagService.getTags返回分页响应{items, total}的解析
- 修复audienceSegmentService.getSegments返回分页响应的解析
- 更新组件正确提取items数组

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/admin-web/src/app/(dashboard)/notifications/page.tsx

@@ -108,8 +108,8 @@ export default function NotificationsPage() {
   // 加载可用标签
   const loadTags = useCallback(async () => {
     try {
-      const tags = await userTagService.getTags({ isAdvertisable: true, isEnabled: true });
+      const response = await userTagService.getTags({ isAdvertisable: true, isEnabled: true });
-      setAvailableTags(tags);
+      setAvailableTags(response.items);
     } catch (err) {
       console.error('Failed to load tags:', err);
     }

frontend/admin-web/src/components/features/notifications/AudienceSegmentsTab/AudienceSegmentsTab.tsx

@@ -53,12 +53,12 @@ export const AudienceSegmentsTab = () => {
   const loadData = useCallback(async () => {
     try {
       setLoading(true);
-      const [segmentsData, tagsData] = await Promise.all([
+      const [segmentsResponse, tagsResponse] = await Promise.all([
         audienceSegmentService.getSegments(),
         userTagService.getTags({ isAdvertisable: true }),
       ]);
-      setSegments(segmentsData);
+      setSegments(segmentsResponse.items);
-      setTags(tagsData);
+      setTags(tagsResponse.items);
     } catch (err) {
       toast.error((err as Error).message || '加载失败');
     } finally {

frontend/admin-web/src/components/features/notifications/UserTagsTab/UserTagsTab.tsx

@@ -55,12 +55,12 @@ export const UserTagsTab = () => {
   const loadData = useCallback(async () => {
     try {
       setLoading(true);
-      const [categoriesData, tagsData] = await Promise.all([
+      const [categoriesData, tagsResponse] = await Promise.all([
         userTagService.getCategories(),
         userTagService.getTags({ categoryId: activeCategory ?? undefined }),
       ]);
       setCategories(categoriesData);
-      setTags(tagsData);
+      setTags(tagsResponse.items);
     } catch (err) {
       toast.error((err as Error).message || '加载失败');
     } finally {

frontend/admin-web/src/services/audienceSegmentService.ts

@@ -87,6 +87,12 @@ export interface ListSegmentsParams {
   offset?: number;
 }
 
+/** 分页响应 */
+export interface PaginatedResponse<T> {
+  items: T[];
+  total: number;
+}
+
 // =====================
 // 选项常量
 // =====================
@@ -140,7 +146,7 @@ export const SEGMENT_FIELD_OPTIONS = [
 
 export const audienceSegmentService = {
   /** 获取人群包列表 */
-  async getSegments(params: ListSegmentsParams = {}): Promise<AudienceSegment[]> {
+  async getSegments(params: ListSegmentsParams = {}): Promise<PaginatedResponse<AudienceSegment>> {
     return apiClient.get(API_ENDPOINTS.AUDIENCE_SEGMENTS.LIST, { params });
   },
 

frontend/admin-web/src/services/userTagService.ts

@@ -116,6 +116,12 @@ export interface ListTagsParams {
   offset?: number;
 }
 
+/** 分页响应 */
+export interface PaginatedResponse<T> {
+  items: T[];
+  total: number;
+}
+
 /** 分配标签请求 */
 export interface AssignTagRequest {
   accountSequence: string;
@@ -198,7 +204,7 @@ export const userTagService = {
   // =====================
 
   /** 获取标签列表 */
-  async getTags(params: ListTagsParams = {}): Promise<UserTag[]> {
+  async getTags(params: ListTagsParams = {}): Promise<PaginatedResponse<UserTag>> {
     return apiClient.get(API_ENDPOINTS.USER_TAGS.LIST, { params });
   },