refactor：拆分 API 路由与请求校验，统一 final 类和代码风格

app/Services/Admin/AdminDashboardSnapshotBuilder.php

@@ -2,16 +2,16 @@
 
 namespace App\Services\Admin;
 
-use App\Lottery\DrawResultBatchStatus;
-use App\Models\AdminUser;
+use Carbon\Carbon;
 use App\Models\Draw;
 use App\Models\RiskPool;
-use App\Models\SettlementBatch;
+use App\Models\AdminUser;
 use App\Models\TicketItem;
 use App\Models\TicketOrder;
 use App\Models\TransferOrder;
+use App\Models\SettlementBatch;
+use App\Lottery\DrawResultBatchStatus;
 use App\Services\Draw\DrawHallSnapshotBuilder;
-use Carbon\Carbon;
 
 /**
  * 后台首页仪表盘：聚合大厅快照、当期财务、期号面板、风控摘要、异常转账计数。