fix(auth): 修复 TypeScript 编译错误 — RegisterDto.password 可选 + Aliyun import 类型

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/services/auth-service/src/application/services/auth.service.ts

@@ -20,7 +20,7 @@ import { EventPublisherService } from './event-publisher.service';
 export interface RegisterDto {
   phone: string;
   smsCode: string;
-  password: string;
+  password?: string;
   nickname?: string;
 }
 

backend/services/auth-service/src/infrastructure/sms/aliyun-sms.provider.ts

@@ -70,11 +70,14 @@ export class AliyunSmsProvider implements ISmsProvider {
   private async getClient() {
     if (this.client) return this.client;
 
-    // 动态导入 (仅生产环境需要)
-    const { default: Dysmsapi20170525 } = await import(
-      '@alicloud/dysmsapi20170525'
-    );
-    const { Config } = await import('@alicloud/openapi-client');
+    // 动态导入 (仅生产环境需要, 开发环境不安装这些包)
+    // eslint-disable-next-line @typescript-eslint/no-var-requires
+    const { default: Dysmsapi20170525 } = await (import(
+      /* webpackIgnore: true */ '@alicloud/dysmsapi20170525'
+    ) as any);
+    const { Config } = await (import(
+      /* webpackIgnore: true */ '@alicloud/openapi-client'
+    ) as any);
 
     const config = new Config({
       accessKeyId: process.env.ALIYUN_ACCESS_KEY_ID,