refactor(layout, i18n, admin): 优化布局结构与多语言支持

调整 AdminShell 组件的子组件顺序，提升代码可读性。更新 admin-breadcrumb 组件，简化导航标签翻译逻辑，确保多语言支持的一致性。重构 admin-language-switcher 组件，优化语言切换的用户体验，增强界面交互性。更新多语言配置，新增登录界面的副标题，提升用户体验。

src/modules/integration/integration-sites-console.tsx

@@ -1,5 +1,6 @@
 "use client";
 
+import { Download, Link2, Pencil, ShieldAlert } from "lucide-react";
 import { useCallback, useEffect, useState } from "react";
 import { useTranslation } from "react-i18next";
 import { toast } from "sonner";
@@ -14,6 +15,7 @@ import {
   putAdminIntegrationSite,
 } from "@/api/admin-integration-sites";
 import { AdminPageCard } from "@/components/admin/admin-page-card";
+import { AdminRowActionsMenu } from "@/components/admin/admin-row-actions-menu";
 import { AdminStatusBadge } from "@/components/admin/admin-status-badge";
 import { Button } from "@/components/ui/button";
 import {
@@ -361,7 +363,7 @@ export function IntegrationSitesConsole() {
                 <TableHead>{t("integrationSites.columns.name")}</TableHead>
                 <TableHead>{t("integrationSites.columns.status")}</TableHead>
                 <TableHead>{t("integrationSites.columns.walletUrl")}</TableHead>
-                <TableHead className="text-right">{t("integrationSites.columns.actions")}</TableHead>
+                <TableHead className="w-14 text-center">{t("integrationSites.columns.actions")}</TableHead>
               </TableRow>
             </TableHeader>
             <TableBody>
@@ -381,46 +383,40 @@ export function IntegrationSitesConsole() {
                   <TableCell className="max-w-[240px] truncate text-xs text-muted-foreground">
                     {row.wallet_api_url ?? "—"}
                   </TableCell>
-                  <TableCell className="text-right">
-                    <div className="flex flex-wrap justify-end gap-2">
-                      <Button
-                        type="button"
-                        variant="outline"
-                        size="sm"
-                        onClick={() => openConnectivity(row)}
-                      >
-                        {t("integrationSites.connectivityTest")}
-                      </Button>
-                      <Button
-                        type="button"
-                        variant="outline"
-                        size="sm"
-                        disabled={exportBusyId === row.id}
-                        onClick={() => void exportParameterSheet(row)}
-                      >
-                        {t("integrationSites.exportParams")}
-                      </Button>
-                      {canManage ? (
-                        <Button
-                          type="button"
-                          variant="outline"
-                          size="sm"
-                          onClick={() => void openEdit(row)}
-                        >
-                          {t("integrationSites.edit")}
-                        </Button>
-                      ) : null}
-                      {canManage ? (
-                        <Button
-                          type="button"
-                          variant="destructive"
-                          size="sm"
-                          onClick={() => setRotateTarget(row)}
-                        >
-                          {t("integrationSites.rotateSecrets")}
-                        </Button>
-                      ) : null}
-                    </div>
+                  <TableCell className="text-center">
+                    <AdminRowActionsMenu
+                      busy={exportBusyId === row.id}
+                      actions={[
+                        {
+                          key: "connectivity",
+                          label: t("integrationSites.connectivityTest"),
+                          icon: Link2,
+                          onClick: () => openConnectivity(row),
+                        },
+                        {
+                          key: "export",
+                          label: t("integrationSites.exportParams"),
+                          icon: Download,
+                          disabled: exportBusyId === row.id,
+                          onClick: () => void exportParameterSheet(row),
+                        },
+                        {
+                          key: "edit",
+                          label: t("integrationSites.edit"),
+                          icon: Pencil,
+                          hidden: !canManage,
+                          onClick: () => void openEdit(row),
+                        },
+                        {
+                          key: "rotate",
+                          label: t("integrationSites.rotateSecrets"),
+                          icon: ShieldAlert,
+                          destructive: true,
+                          hidden: !canManage,
+                          onClick: () => setRotateTarget(row),
+                        },
+                      ]}
+                    />
                   </TableCell>
                 </TableRow>
               ))}