feat(08-05-interaction-pattern-unification): 统一前端交互与反馈模式

client/src/pages/NotificationsPage.tsx

@@ -2,8 +2,6 @@ import { Link, useSearchParams } from "react-router-dom";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 import { toast } from "sonner";
 import { fetchNotifications, markAllNotificationsRead, markNotificationRead } from "../api/notifications";
-import { isApiError } from "../api/types";
-import { mapApiErrorMessage } from "../api/errorMessages";
 import { TableSkeleton } from "../components/common/TableSkeleton";
 import { Pagination } from "../components/common/Pagination";
 import { Button } from "../components/ui/button";
@@ -150,13 +148,7 @@ export function NotificationsPage() {
 
       {listQuery.isError ? (
         <p className="rounded-lg border border-red-200 bg-red-50 px-3 py-2 text-sm text-red-600">
-          {isApiError(listQuery.error)
-            ? `${listQuery.error.code}: ${mapApiErrorMessage(
-                listQuery.error.code,
-                listQuery.error.details,
-                listQuery.error.message,
-              )}`
-            : "加载通知失败"}
+          {resolveErrorMessage(listQuery.error, "加载通知失败")}
         </p>
       ) : null}