refactor：拆分 API 路由与请求校验，统一 final 类和代码风格

app/Services/Config/OddsStreamService.php

@@ -2,17 +2,17 @@
 
 namespace App\Services\Config;
 
-use App\Lottery\ConfigVersionStatus;
-use App\Models\AdminUser;
 use App\Models\Currency;
 use App\Models\OddsItem;
-use App\Models\OddsVersion;
 use App\Models\PlayType;
-use App\Services\AuditLogger;
-use App\Support\OddsStandardScopes;
-use Illuminate\Contracts\Pagination\LengthAwarePaginator;
+use App\Models\AdminUser;
+use App\Models\OddsVersion;
 use Illuminate\Http\Request;
+use App\Services\AuditLogger;
 use Illuminate\Support\Facades\DB;
+use App\Support\OddsStandardScopes;
+use App\Lottery\ConfigVersionStatus;
+use Illuminate\Contracts\Pagination\LengthAwarePaginator;
 
 /** 后台：赔率版本（{@see odds_versions} / {@see odds_items}） */
 final class OddsStreamService