fix: 修复并发竞态与幂等性缺陷并优化子树查询

- 扩大玩家ID随机数位宽降低碰撞概率
- 授信额度变更加 lockForUpdate 防并发下调
- 结算冲正与入账利用唯一索引实现幂等闸门
- 失败登录计数加锁防丢失
- 代理子树查询改用子查询替代全表 pluck
- 修复返点默认值百分比单位转换
- 测试中全量 fake 广播事件防 CI 500

tests/Feature/JackpotPlacementSettlementTest.php

@@ -351,7 +351,9 @@ test('jackpot contribution uses total bet amount instead of actual deduct amount
 });
 
 test('jackpot bursts by configured play combination trigger before threshold', function (): void {
-    Event::fake([JackpotBurstBroadcast::class]);
+    // 该 case 切到 reverb driver，必须 fake 流程中所有可能触发的 Broadcast 事件，
+    // 否则 fake 列表外的广播会真实连接 Reverb/Pusher，在 CI 环境抛 500。
+    Event::fake(allBroadcastEvents());
     config([
         'broadcasting.default' => 'reverb',
         'broadcasting.connections.reverb.driver' => 'reverb',

tests/Feature/OperationalConfigAcceptanceTest.php

@@ -428,7 +428,9 @@ test('play type patch toggles active config and broadcasts instantly', function
 });
 
 test('§9 play_config publish broadcasts changed play toggles', function (): void {
-    Event::fake([PlayToggleBroadcast::class]);
+    // fake 流程中可能触发的全部 Broadcast（PlayToggle / PlayCatalogUpdated / DrawStatusChange 等），
+    // 否则未在 fake 列表中的事件会真实连接 Reverb/Pusher，CI 环境抛 500。
+    Event::fake(allBroadcastEvents());
     config([
         'broadcasting.default' => 'reverb',
         'broadcasting.connections.reverb.driver' => 'reverb',
@@ -459,7 +461,9 @@ test('§9 play_config publish broadcasts changed play toggles', function (): voi
 });
 
 test('§9 odds publish broadcasts odds update', function (): void {
-    Event::fake([OddsUpdateBroadcast::class]);
+    // fake 流程中可能触发的全部 Broadcast（OddsUpdate / PlayCatalogUpdated / DrawStatusChange 等），
+    // 否则未在 fake 列表中的事件会真实连接 Reverb/Pusher，CI 环境抛 500。
+    Event::fake(allBroadcastEvents());
     config([
         'broadcasting.default' => 'reverb',
         'broadcasting.connections.reverb.driver' => 'reverb',