feat: 统一管理端多语言、配置与票据/结算页面重构

src/app/admin/(shell)/settings/page.tsx

@@ -1,5 +1,6 @@
 import { ModuleScaffold } from "@/components/admin/module-scaffold";
 import { settingsModuleMeta } from "@/modules/settings/meta";
+import { SystemSettingsScreen } from "@/modules/settings/system-settings-screen";
 import type { Metadata } from "next";
 
 export const metadata: Metadata = {
@@ -9,13 +10,7 @@ export const metadata: Metadata = {
 export default function AdminSettingsPage() {
   return (
     <ModuleScaffold>
-      <p className="text-sm text-zinc-500 dark:text-zinc-400">
-        业务组件请放在{" "}
-        <code className="rounded bg-zinc-100 px-1 py-0.5 font-mono text-xs dark:bg-zinc-800">
-          src/modules/settings
-        </code>{" "}
-        下。
-      </p>
+      <SystemSettingsScreen />
     </ModuleScaffold>
   );
 }