feat(agent-profile): 限制代理及玩家返点和分成范围，增强权限校验

- 添加ensureSuperAdmin方法，限制管理员设置操作权限
- 在AdminSettingController接口中新增权限检查，防止非超级管理员操作
- AdminPlayerIndexController新增direct agent筛选支持
- AdminPlayerUpdateController新增对信用玩家默认币别变更的拒绝逻辑
- 新增WalletSettlementBillsController，实现玩家信用盘账期账单摘要接口
- AgentProfileService调整，新增返点限额和分享比例自动下调机制，保持子代理及玩家配置不超父级
- AgentProfileService增加can_grant_extra_rebate权限继承限制，阻止无权限代理开启
- AgentSettlementPeriodCloseService增加玩家账单回水信用释放逻辑，确保信用额度同步
- PlayerCreditService新增释放账单回水对应信用逻辑，维护账期信用一致性
- TicketPlacementService和TicketPreviewService新增信用玩家投注币别匹配校验，防止币别不符
- PlayerLedgerLogsService优化信用额度计算，增加可用额度上下限限制，防止负值和超限
- 调整后台管理导航，仅超管可见设置入口，强化权限隔离
- 路由新增玩家信用账单查询接口
- 补充多项AgentProfile相关单元测试覆盖额度限制、返点继承、返点下调场景及权限限制
- 增加站点管理员登录测试，验证系统设置菜单不可见，提升用户权限体验

app/Services/Ticket/TicketPreviewService.php

@@ -37,6 +37,8 @@ final class TicketPreviewService
         }
 
         $currencyCode = strtoupper((string) $payload['currency_code']);
+        $this->assertCreditCurrencyMatchesPlayer($player, $currencyCode);
+
         $lines = [];
         $totalBet = 0;
         $totalRebate = 0;
@@ -136,4 +138,21 @@ final class TicketPreviewService
             'warnings' => $warningRows,
         ];
     }
+
+    private function assertCreditCurrencyMatchesPlayer(Player $player, string $currencyCode): void
+    {
+        if (! PlayerFundingMode::usesCredit($player)) {
+            return;
+        }
+
+        $defaultCurrency = strtoupper((string) $player->default_currency);
+        if ($currencyCode === $defaultCurrency) {
+            return;
+        }
+
+        throw new TicketOperationException('credit_currency_mismatch', ErrorCode::ConfigCurrencyInvalid->value, 400, [
+            'currency_code' => $currencyCode,
+            'expected_currency' => $defaultCurrency,
+        ]);
+    }
 }