feat: 添加管理员钱包相关API和更新模块结构

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

@@ -1,6 +1,5 @@
 import { ModuleScaffold } from "@/components/admin/module-scaffold";
 import { getAdminPing } from "@/api";
-import { dashboardModuleMeta } from "@/modules/dashboard/meta";
 import type { Metadata } from "next";
 
 export const metadata: Metadata = {
@@ -12,10 +11,7 @@ export default async function AdminDashboardPage() {
   const apiReady = process.env.NEXT_PUBLIC_LOTTERY_API_BASE_URL?.trim() !== "";
 
   return (
-    <ModuleScaffold
-      title={dashboardModuleMeta.title}
-      description={dashboardModuleMeta.description}
-    >
+    <ModuleScaffold>
       <div className="grid gap-4 sm:grid-cols-2">
         <div className="rounded-xl border border-black/10 bg-white p-5 shadow-sm dark:border-white/10 dark:bg-zinc-900">
           <h2 className="text-xs font-semibold uppercase tracking-wide text-zinc-500 dark:text-zinc-400">