feat(admin,api,player): 返水流程优化、账单详情与数据库重置

优化返水预览/确认/作废，新增玩家账变详情与后台一键重置为 seed 数据，并修复 dev 启动时 3000 端口占用。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/main.ts

@@ -7,6 +7,7 @@ import { AppModule } from './app.module';
 
 async function bootstrap() {
   const app = await NestFactory.create<NestExpressApplication>(AppModule);
+  app.enableShutdownHooks();
 
   const uploadDir = process.env.UPLOAD_DIR || join(__dirname, '..', '..', 'uploads');
   app.useStaticAssets(uploadDir, { prefix: '/uploads/' });