refactor: 更新管理端页面元数据，统一国际化支持，移除冗余代码

src/modules/settings/currency-settings-panel.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { useCallback, useEffect, useState } from "react";
+import { useExportLabels } from "@/hooks/use-export-labels";
 import { useTranslation } from "react-i18next";
 import { toast } from "sonner";
 
@@ -64,6 +65,7 @@ function toFormState(row: AdminCurrencyRow): CurrencyFormState {
 
 export function CurrencySettingsPanel() {
   const { t } = useTranslation(["config", "adminUsers"]);
+  const exportLabels = useExportLabels("currencies");
   const profile = useAdminProfile();
   const canManage = adminHasAnyPermission(profile?.permissions, ["prd.currency.manage"]);
   const [items, setItems] = useState<AdminCurrencyRow[]>([]);
@@ -210,7 +212,8 @@ export function CurrencySettingsPanel() {
           </p>
         </div>
         <div className="flex items-center gap-2">
-          <AdminTableExportButton tableId="admin-currencies-table" filename="币种管理" sheetName="币种管理" />
+          <AdminTableExportButton tableId="admin-currencies-table" filename={exportLabels.filename}
+              sheetName={exportLabels.sheetName} />
           <Button onClick={openCreate}>{t("currencies.actions.create", { ns: "config" })}</Button>
         </div>
       </CardHeader>