feat: 扩展奖池、风控与报表能力，新增对账补偿、广播和人工操作接口

app/Services/Draw/DrawHallSnapshotBuilder.php

@@ -9,6 +9,7 @@ use App\Lottery\DrawStatus;
 use App\Models\DrawResultItem;
 use App\Models\DrawResultBatch;
 use App\Lottery\DrawResultBatchStatus;
+use App\Services\Jackpot\JackpotSummaryService;
 
 /**
  * `GET draw/current` 与大厅 WS 快照共用数据结构。
@@ -17,6 +18,10 @@ use App\Lottery\DrawResultBatchStatus;
  */
 final class DrawHallSnapshotBuilder
 {
+    public function __construct(
+        private readonly JackpotSummaryService $jackpotSummary,
+    ) {}
+
     /**
      * Tick 未及时跑时，DB 仍为 `open` 但已到封盘时刻；对外快照与界面应对齐真实可下注态（见 DrawTickService::openToClosingOrClosed）。
      *
@@ -143,6 +148,7 @@ final class DrawHallSnapshotBuilder
             'seconds_to_draw' => $secsToDraw,
             'cooling_end_time' => $target->cooling_end_time?->toIso8601String(),
             'seconds_remaining_in_cooldown' => $coolingRemain,
+            'jackpot' => $this->jackpotSummary->summary('NPR'),
         ];
 
         $riskAlerts = RiskPool::query()