feat(list): 订单/通知/组局列表分页，生产 NODE_ENV 切换 production

- 仓储层 getOrders/getOrdersForUser/getActivities/getUserNotifications 支持 LIMIT/OFFSET，新增 countOrders/countOrdersForUser/countActivities/getUserNotificationTotal

- 接口支持 page/pageSize/status/keyword/payType/creatorId/category，返回 list/total/hasMore；未传 page 保持旧数组格式，兼容后台与工作台

- 小程序订单/通知/组局三页触底加载，筛选与搜索下推服务端，避免只过滤当前页

- 新增 116 套件/758 用例，全绿；线上实测分页与筛选接口正常

server/src/index.ts

@@ -898,8 +898,25 @@ app.get('/api/notifications', async (req: Request, res: Response) => {
       Number(req.query.userId || req.headers['x-user-id'] || 0),
       '查看消息通知'
     );
-    const list = await repo.getUserNotifications(uid, Number(req.query.limit) || 50);
     const unread = await repo.getUserUnreadNotificationCount(uid);
+    if (Number(req.query.page) > 0) {
+      const page = Math.max(1, Math.floor(Number(req.query.page) || 1));
+      const pageSize = Math.min(100, Math.max(1, Math.floor(Number(req.query.pageSize) || 20)));
+      const total = await repo.getUserNotificationTotal(uid);
+      const list = await repo.getUserNotifications(uid, pageSize, (page - 1) * pageSize);
+      return res.json({
+        code: 20000,
+        data: {
+          list,
+          unread,
+          total,
+          page,
+          pageSize,
+          hasMore: (page - 1) * pageSize + list.length < total,
+        },
+      });
+    }
+    const list = await repo.getUserNotifications(uid, Number(req.query.limit) || 50);
     res.json({ code: 20000, data: { list, unread } });
   } catch (err: any) {
     const statusCode = err.status || 400;
@@ -952,12 +969,33 @@ app.get('/api/dashboard/todos', async (_req: Request, res: Response) => {
 });
 
 // 3. 活动与4位核销码相关接口 (MySQL 持久化)
-app.get('/api/activities', async (_req: Request, res: Response) => {
+app.get('/api/activities', async (req: Request, res: Response) => {
   try {
-    const acts = await repo.getActivities();
+    const filters = {
+      keyword: String(req.query.keyword || '').trim(),
+      payType: String(req.query.payType || '').trim(),
+      creatorId: Number(req.query.creatorId) || 0,
+      category: String(req.query.category || '').trim(),
+      categoryName: String(req.query.categoryName || '').trim(),
+    };
+    const paged = Number(req.query.page) > 0;
+    if (!paged) {
+      const acts = await repo.getActivities(filters);
+      return res.json({ code: 20000, data: acts });
+    }
+    const page = Math.max(1, Math.floor(Number(req.query.page) || 1));
+    const pageSize = Math.min(100, Math.max(1, Math.floor(Number(req.query.pageSize) || 20)));
+    const acts = await repo.getActivities({ ...filters, page, pageSize });
+    const total = await repo.countActivities(filters);
     res.json({
       code: 20000,
-      data: acts
+      data: {
+        list: acts,
+        total,
+        page,
+        pageSize,
+        hasMore: (page - 1) * pageSize + acts.length < total,
+      },
     });
   } catch (err: any) {
     res.status(500).json({ code: 50000, message: err.message });
@@ -1458,12 +1496,31 @@ app.put('/api/companions/:id/profile', async (req: Request, res: Response) => {
 // 5. 订单与仲裁接口 (落盘 MySQL)
 app.get('/api/orders', async (req: Request, res: Response) => {
   try {
+    const status = String(req.query.status || '').trim();
+    const paged = Number(req.query.page) > 0;
+    const page = Math.max(1, Math.floor(Number(req.query.page) || 1));
+    const pageSize = Math.min(100, Math.max(1, Math.floor(Number(req.query.pageSize) || 20)));
+    const queryOpts = paged ? { page, pageSize, status } : { status };
+
     // 管理端（服务端签名 admin token）可取全量；普通用户仅能取与自己相关的订单
     if (isVerifiedAdminRequest(req)) {
-      const orders = await repo.getOrders();
+      const orders = await repo.getOrders(queryOpts);
+      if (!paged) {
+        return res.json({
+          code: 20000,
+          data: orders
+        });
+      }
+      const total = await repo.countOrders({ status });
       return res.json({
         code: 20000,
-        data: orders
+        data: {
+          list: orders,
+          total,
+          page,
+          pageSize,
+          hasMore: (page - 1) * pageSize + orders.length < total,
+        }
       });
     }
     const uid = resolveSecureUserId(
@@ -1471,10 +1528,23 @@ app.get('/api/orders', async (req: Request, res: Response) => {
       Number(req.query.userId || req.headers['x-user-id'] || 0),
       '查看订单列表'
     );
-    const orders = await repo.getOrdersForUser(uid);
+    const orders = await repo.getOrdersForUser(uid, queryOpts);
+    if (!paged) {
+      return res.json({
+        code: 20000,
+        data: orders
+      });
+    }
+    const total = await repo.countOrdersForUser(uid, { status });
     res.json({
       code: 20000,
-      data: orders
+      data: {
+        list: orders,
+        total,
+        page,
+        pageSize,
+        hasMore: (page - 1) * pageSize + orders.length < total,
+      }
     });
   } catch (err: any) {
     const statusCode = err.status || 500;