refactor: 更新API接口与数据结构，统一分页返回格式

src/components/NoticeDropdown/useNotice.ts

@@ -2,7 +2,7 @@
  * 通知中心逻辑
  */
 import { ref, onMounted, onBeforeUnmount } from "vue";
-import type { NoticePageVo, NoticeDetailVo, NoticePageQuery } from "@/types/api";
+import type { NoticeItem, NoticeDetail, NoticeQueryParams } from "@/types/api";
 import NoticeAPI from "@/api/system/notice";
 import { useStomp } from "@/composables";
 import router from "@/router";
@@ -13,8 +13,8 @@ export function useNotice() {
   const { subscribe, unsubscribe, isConnected } = useStomp();
 
   // 状态
-  const list = ref<NoticePageVo[]>([]);
-  const detail = ref<NoticeDetailVo | null>(null);
+  const list = ref<NoticeItem[]>([]);
+  const detail = ref<NoticeDetail | null>(null);
   const dialogVisible = ref(false);
 
   let subscribed = false;
@@ -23,15 +23,15 @@ export function useNotice() {
   // 数据获取
   // ============================================
 
-  async function fetchList(params?: Partial<NoticePageQuery>) {
-    const query: NoticePageQuery = {
+  async function fetchList(params?: Partial<NoticeQueryParams>) {
+    const query: NoticeQueryParams = {
       pageNum: 1,
       pageSize: PAGE_SIZE,
       isRead: 0,
       ...params,
-    } as NoticePageQuery;
+    };
     const page = await NoticeAPI.getMyNoticePage(query);
-    list.value = page.list || [];
+    list.value = page.data || [];
   }
 
   async function read(id: string) {
@@ -39,7 +39,7 @@ export function useNotice() {
     dialogVisible.value = true;
 
     // 从列表中移除已读项
-    const idx = list.value.findIndex((item: NoticePageVo) => item.id === id);
+    const idx = list.value.findIndex((item: NoticeItem) => item.id === id);
     if (idx >= 0) list.value.splice(idx, 1);
   }
 
@@ -65,14 +65,14 @@ export function useNotice() {
         if (!data.id) return;
 
         // 避免重复
-        if (list.value.some((item: NoticePageVo) => item.id === data.id)) return;
+        if (list.value.some((item: NoticeItem) => item.id === data.id)) return;
 
         list.value.unshift({
           id: data.id,
           title: data.title,
           type: data.type,
           publishTime: data.publishTime,
-        } as NoticePageVo);
+        } as NoticeItem);
 
         ElNotification({
           title: "您收到一条新的通知消息！",