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

client/src/pages/PaymentAccountsPage.tsx

@@ -1,3 +1,4 @@
+import { resolveErrorMessage as resolveUserErrorMessage } from "../lib/resolveErrorMessage";
 import { useEffect, useState } from "react";
 import { Link } from "react-router-dom";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
@@ -13,7 +14,6 @@ import {
   type PaymentAccount,
 } from "../api/paymentAccounts";
 import { fetchLegalEntities } from "../api/masterData";
-import { isApiError } from "../api/types";
 import { useAuth } from "../auth/AuthContext";
 import { hasAnyPermission, hasPermission } from "../auth/permissions";
 import { PageHeader } from "../components/common/PageHeader";
@@ -27,7 +27,7 @@ import { Label } from "../components/ui/label";
 import { Textarea } from "../components/ui/textarea";
 
 function errorText(error: unknown) {
-  return isApiError(error) ? `${error.code}: ${error.message}` : error instanceof Error ? error.message : "操作失败";
+  return resolveUserErrorMessage(error, "操作失败");
 }
 
 export function PaymentAccountsPage() {