refactor: 将广播事件改为异步队列并增强索引检查兼容性

app/Events/JackpotBurstBroadcast.php

@@ -6,13 +6,22 @@ use Illuminate\Broadcasting\Channel;
 use Illuminate\Queue\SerializesModels;
 use Illuminate\Foundation\Events\Dispatchable;
 use Illuminate\Broadcasting\InteractsWithSockets;
-use Illuminate\Contracts\Broadcasting\ShouldBroadcastNow;
+use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
 
 /** Jackpot 爆池公共广播：`jackpot.burst` */
-final class JackpotBurstBroadcast implements ShouldBroadcastNow
+final class JackpotBurstBroadcast implements ShouldBroadcast
 {
     use Dispatchable, InteractsWithSockets, SerializesModels;
 
+    /** 异步广播队列 */
+    public string $queue = 'broadcasts';
+
+    /** 最多重试 3 次 */
+    public int $tries = 3;
+
+    /** 单任务超时 10 秒 */
+    public int $timeout = 10;
+
     public function __construct(
         public readonly int $drawId,
         public readonly string $drawNo,