feat(admin): 方案A—消息铃铛接真实待办聚合 + 清理空壳接口与空卡片

【消息铃铛（真实数据）】
- POST /api/message/list 改为待办聚合：待接单订单/待审核大神/待审核提现/待处理举报/待仲裁工单（复用 getDashboardTodos + 新增 pendingOrdersCount）
- POST /api/message/read 持久化已读：新表 admin_message_reads 记录"已读时的数量"，待办数量增加会重新变未读
- 两个接口均加 requireAdmin（待办数量属运营数据，不再匿名可见）

【删除空壳/死接口（前端已无调用方）】
- /api/user/save-info、/api/chat/list、/api/user/my-team/list、/api/user/latest-activity、/api/user/my-project/list

【后台页面清理】
- 「用户与个人中心 → 管理员资料」移除 我的项目/最近动态/我的团队/站内通知 四张空卡（保留真实的管理员资料头部）
- 删除对应 4 个组件；api/user-center.ts 移除 queryMyProjectList/queryMyTeamList/queryLatestActivity/saveUserInfo；api/message.ts 移除 queryChatList

【验证】
- 新增 admin-todo-bell.spec.ts；更新 admin-demo-data-cleanup.spec.ts
- 全量 101 套件 / 690 用例全绿；冒烟 8/8（未登录50008、待办数量、已读、新增后重新未读）
- 后台 pnpm build 通过

server/src/index.ts

@@ -586,34 +586,6 @@ app.all('/api/user/certification', (_req: Request, res: Response) => {
   });
 });
 
-// 平台未接入多项目管理：返回空数组，不再返回伪造项目与成员
-app.all('/api/user/my-project/list', (_req: Request, res: Response) => {
-  res.json({
-    code: 20000,
-    data: []
-  });
-});
-
-// 后台个人中心：我的团队（真实团队表尚未建立，返回空数组，不再返回静态演示成员）
-app.all('/api/user/my-team/list', (_req: Request, res: Response) => {
-  res.json({
-    code: 20000,
-    data: []
-  });
-});
-
-// 后台个人中心：最新动态（暂无审计动态数据源，返回空数组，不再返回静态演示内容）
-app.all('/api/user/latest-activity', (_req: Request, res: Response) => {
-  res.json({
-    code: 20000,
-    data: []
-  });
-});
-
-app.all('/api/user/save-info', (_req: Request, res: Response) => {
-  res.json({ code: 20000, data: null, message: '个人设置保存成功' });
-});
-
 // 真实文件与图片对象存储上传接口 (支持单图上传并持久化至 public/uploads)
 const handleFileUpload = (req: Request, res: Response) => {
   // 生产环境要求登录后上传，避免匿名上传被滥用（刷盘/托管非法内容）
@@ -734,20 +706,59 @@ app.get('/api/message/subscribe-templates', async (_req: Request, res: Response)
   }
 });
 
-// 通知中心列表（暂无真实站内消息数据源，返回空数组，不再返回静态演示消息）
-app.all('/api/message/list', (_req: Request, res: Response) => {
-  res.json({
-    code: 20000,
-    data: []
-  });
+// 管理端消息铃铛：真实待办聚合（待接单 / 待审核大神 / 待审核提现 / 待处理举报 / 待仲裁）
+function buildAdminTodoItems(todos: any, readMap: Record<string, number>): any[] {
+  const defs = [
+    { key: 'pending_orders', count: Number(todos?.pendingOrdersCount || 0), title: '待接单订单', content: '有订单等待大神接单', link: '/order/list' },
+    { key: 'pending_audits', count: Number(todos?.pendingAuditsCount || 0), title: '待审核大神', content: '有大神入驻申请待审核', link: '/companion/audit' },
+    { key: 'pending_withdrawals', count: Number(todos?.pendingWithdrawalsCount || 0), title: '待审核提现', content: `待审核提现合计 ¥${Number(todos?.pendingWithdrawalAmount || 0).toFixed(2)}`, link: '/finance/withdraw' },
+    { key: 'pending_reports', count: Number(todos?.pendingReportsCount || 0), title: '待处理举报', content: '有违规举报工单待处置', link: '/safety/reports' },
+    { key: 'pending_arbitrations', count: Number(todos?.pendingArbitrationsCount || 0), title: '待仲裁工单', content: '有争议仲裁待平台介入', link: '/order/arbitration' },
+  ];
+  return defs
+    .filter((d) => d.count > 0)
+    .map((d, i) => {
+      const readCount = Number(readMap[d.key] || 0);
+      return {
+        id: i + 1,
+        key: d.key,
+        type: 'todo',
+        title: d.title,
+        subTitle: `待处理 ${d.count} 条`,
+        content: d.content,
+        time: formatCnTime(),
+        status: d.count > readCount ? 0 : 1,
+        messageType: 1,
+        count: d.count,
+        link: d.link,
+      };
+    });
+}
+
+app.post('/api/message/list', requireAdmin, async (_req: Request, res: Response) => {
+  try {
+    const todos = await repo.getDashboardTodos();
+    const readMap = await repo.getAdminTodoReadCounts();
+    res.json({ code: 20000, data: buildAdminTodoItems(todos, readMap) });
+  } catch (err: any) {
+    res.status(500).json({ code: 50000, message: err.message });
+  }
 });
 
-app.all('/api/message/read', (_req: Request, res: Response) => {
-  res.json({ code: 20000, data: true });
-});
-
-app.all('/api/chat/list', (_req: Request, res: Response) => {
-  res.json({ code: 20000, data: [] });
+app.post('/api/message/read', requireAdmin, async (req: Request, res: Response) => {
+  try {
+    const ids = Array.isArray(req.body?.ids) ? req.body.ids.map((x: any) => Number(x)) : [];
+    const keys = Array.isArray(req.body?.keys) ? req.body.keys.map((x: any) => String(x)) : [];
+    const todos = await repo.getDashboardTodos();
+    const readMap = await repo.getAdminTodoReadCounts();
+    const items = buildAdminTodoItems(todos, readMap);
+    const targets = items.filter((it: any) => ids.includes(it.id) || keys.includes(it.key));
+    const toMark = (targets.length ? targets : items).map((it: any) => ({ key: it.key, count: it.count }));
+    const affected = await repo.markAdminTodosRead(toMark);
+    res.json({ code: 20000, data: { affected }, message: '已标记为已读' });
+  } catch (err: any) {
+    res.status(500).json({ code: 50000, message: err.message });
+  }
 });
 
 // ===== 站内消息通知中心（用户端真实数据源）=====