feat(admin): 仪表盘重构、代理线路修复与后台体验优化

- 各角色仪表盘：KPI 可点击跳转、快捷入口、去重冗余区块，代理/站点降级 analytics
- 代理线路：创建玩家权限、侧栏搜索、深链 URL、档案保存与删除预检等修复
- 统一密码最短 6 位；代理模块表格/侧栏背景色一致（admin-table-inset）
- 报表、钱包、对账、开奖、结算、配置等模块结构与 i18n 同步更新

src/app/admin/(shell)/wallet/layout.tsx

@@ -1,14 +1,12 @@
 import type { ReactNode } from "react";
 
-import { WalletScopeHint } from "@/modules/wallet/wallet-scope-hint";
 import { WalletSubnav } from "@/modules/wallet/wallet-subnav";
 
 export default function AdminWalletLayout({ children }: { children: ReactNode }) {
   return (
     <div className="mx-auto flex w-full max-w-[1680px] min-w-0 flex-col gap-6 px-4 py-5 sm:px-6 lg:px-8 lg:py-6">
-      <div className="sticky top-14 z-20 space-y-2 bg-background/95 pb-2 backdrop-blur supports-[backdrop-filter]:bg-background/80">
+      <div className="sticky top-14 z-20 bg-background/95 pb-2 backdrop-blur supports-[backdrop-filter]:bg-background/80">
         <WalletSubnav />
-        <WalletScopeHint />
       </div>
       {children}
     </div>