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/Console/Commands/SyncAgentUsedCreditCommand.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\AgentNode;
+use App\Models\AgentProfile;
+use App\Services\Agent\AgentUsedCreditSyncService;
+use Illuminate\Console\Command;
+
+/** 重算代理团队已用风险（used_credit），修复历史未同步数据。 */
+final class SyncAgentUsedCreditCommand extends Command
+{
+    protected $signature = 'lottery:sync-agent-used-credit {--site= : 仅处理指定 admin_sites.code}';
+
+    protected $description = '重算代理团队已用风险（used_credit = 子树信用玩家 used_credit + frozen_credit 之和）';
+
+    public function handle(AgentUsedCreditSyncService $sync): int
+    {
+        $siteCode = $this->option('site');
+        $query = AgentNode::query()->orderBy('id');
+        if (is_string($siteCode) && $siteCode !== '') {
+            $query->whereHas('adminSite', static fn ($q) => $q->where('code', $siteCode));
+        }
+
+        $nodes = $query->get();
+        $updated = 0;
+        foreach ($nodes as $node) {
+            $profile = AgentProfile::query()->where('agent_node_id', $node->id)->first();
+            $before = $profile !== null ? (int) $profile->used_credit : null;
+            $sync->syncForAgent($node);
+            $profile?->refresh();
+            $after = $profile !== null ? (int) $profile->used_credit : null;
+            if ($before !== $after) {
+                $updated++;
+            }
+        }
+
+        $this->info('已处理 '.count($nodes).' 个代理节点，其中 '.$updated.' 个 used_credit 有变更。');
+
+        return self::SUCCESS;
+    }
+}