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

app/Http/Controllers/Api/V1/Admin/Reconcile/ReconcileItemIndexController.php

@@ -79,7 +79,7 @@ final class ReconcileItemIndexController extends Controller
             $capabilities = $order instanceof TransferOrder
                 ? AdminTransferOrderCapabilities::forOrder(
                     $order,
-                    $admin instanceof AdminUser ? $admin : null,
+                    $admin,
                     $this->transferService,
                 )
                 : [