feat: ✨ 前端：玩家服务平台和运营管理系统后台初始化及框架搭建，后端：完成基础功能搭建。

backend/src/common/pipes/validation.pipe.ts

@@ -0,0 +1,22 @@
+import { ValidationPipe, ValidationError } from '@nestjs/common';
+import { BadRequestException } from '@nestjs/common';
+
+export class CustomValidationPipe extends ValidationPipe {
+  constructor() {
+    super({
+      whitelist: true,
+      forbidNonWhitelisted: true,
+      transform: true,
+      exceptionFactory: (errors: ValidationError[]) => {
+        const messages = errors.map((error) => {
+          return Object.values(error.constraints || {}).join(', ');
+        });
+        return new BadRequestException({
+          statusCode: 400,
+          message: messages.join('; '),
+          error: 'Bad Request',
+        });
+      },
+    });
+  }
+}