feat(credit): 实时同步代理已用额度，覆盖玩家下注/结算全流程

- PlayerCreditService 在下注占用、输赢结算、撤单释放等关键节点触发 AgentUsedCreditSyncService
- AgentProfileService::present 与 AgentDashboardOverviewBuilder 查询前主动同步 used_credit
- 确保代理链 used_credit（团队已用风险）实时反映下级玩家信用占用状态

app/Services/Admin/AgentDashboardOverviewBuilder.php

@@ -8,6 +8,7 @@ use App\Models\AgentProfile;
 use App\Models\Player;
 use App\Support\AdminScopeContext;
 use App\Support\AdminScopeContextResolver;
+use App\Services\Agent\AgentUsedCreditSyncService;
 use App\Services\AgentSettlement\ShareLedgerScopedProfitAggregator;
 use App\Support\AdminAgentSettlementScope;
 use Carbon\Carbon;
@@ -20,6 +21,7 @@ final class AgentDashboardOverviewBuilder
     public function __construct(
         private readonly AdminReportQueryService $reportQuery,
         private readonly ShareLedgerScopedProfitAggregator $shareProfitAggregator,
+        private readonly AgentUsedCreditSyncService $usedCreditSync,
     ) {}
 
     /**
@@ -36,6 +38,7 @@ final class AgentDashboardOverviewBuilder
             return null;
         }
 
+        $this->usedCreditSync->syncForAgentId((int) $node->id);
         $profile = AgentProfile::query()->where('agent_node_id', $node->id)->first();
         $subtreeIds = AgentNode::query()
             ->where('path', 'like', $node->path.'%')