fix: 添加遗漏的 registerByPhone 方法到 user-application.service.ts

修复构建错误：Property 'registerByPhone' does not exist on type 'UserApplicationService'

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/services/identity-service/src/application/services/user-application.service.ts

@@ -43,6 +43,7 @@ import {
 } from '@/domain/events';
 import {
   AutoCreateAccountCommand,
+  RegisterByPhoneCommand,
   RecoverByMnemonicCommand,
   RecoverByPhoneCommand,
   AutoLoginCommand,
@@ -206,6 +207,136 @@ export class UserApplicationService {
     };
   }
 
+  /**
+   * 手机号注册 (验证码+密码一步到位)
+   *
+   * - 验证短信验证码
+   * - 创建账户并绑定手机号
+   * - 设置密码
+   * - 触发钱包生成
+   * - 返回 token
+   */
+  async registerByPhone(
+    command: RegisterByPhoneCommand,
+  ): Promise<AutoCreateAccountResult> {
+    const phoneNumber = PhoneNumber.create(command.phoneNumber);
+
+    // 1. 验证短信验证码
+    const cachedCode = await this.redisService.get(
+      `sms:register:${phoneNumber.value}`,
+    );
+    if (cachedCode !== command.smsCode) {
+      throw new ApplicationError('验证码错误或已过期');
+    }
+
+    // 2. 检查手机号是否已注册
+    const phoneValidation =
+      await this.validatorService.validatePhoneNumber(phoneNumber);
+    if (!phoneValidation.isValid) {
+      throw new ApplicationError(phoneValidation.errorMessage!);
+    }
+
+    // 3. 验证邀请码
+    let inviterSequence: AccountSequence | null = null;
+    if (command.inviterReferralCode) {
+      const referralCode = ReferralCode.create(command.inviterReferralCode);
+      const referralValidation =
+        await this.validatorService.validateReferralCode(referralCode);
+      if (!referralValidation.isValid) {
+        throw new ApplicationError(referralValidation.errorMessage!);
+      }
+      const inviter =
+        await this.userRepository.findByReferralCode(referralCode);
+      inviterSequence = inviter!.accountSequence;
+    }
+
+    // 4. 生成用户序列号
+    const accountSequence =
+      await this.sequenceGenerator.generateNextUserSequence();
+
+    // 5. 生成用户名和头像
+    const identity = generateIdentity(accountSequence.value);
+
+    // 6. 构建设备名称字符串
+    let deviceNameStr = '未命名设备';
+    if (command.deviceName) {
+      const parts: string[] = [];
+      if (command.deviceName.model) parts.push(command.deviceName.model);
+      if (command.deviceName.platform) parts.push(command.deviceName.platform);
+      if (command.deviceName.osVersion)
+        parts.push(command.deviceName.osVersion);
+      if (parts.length > 0) deviceNameStr = parts.join(' ');
+    }
+
+    // 7. 创建用户账户（带手机号）
+    const account = UserAccount.create({
+      accountSequence,
+      phoneNumber,
+      initialDeviceId: command.deviceId,
+      deviceName: deviceNameStr,
+      deviceInfo: command.deviceName,
+      inviterSequence,
+    });
+
+    // 8. 设置随机用户名和头像
+    account.updateProfile({
+      nickname: identity.username,
+      avatarUrl: identity.avatarSvg,
+    });
+
+    // 9. 保存账户
+    await this.userRepository.save(account);
+
+    // 10. 设置密码
+    const bcrypt = await import('bcrypt');
+    const passwordHash = await bcrypt.hash(command.password, 10);
+    await this.prisma.userAccount.update({
+      where: { userId: account.userId.value },
+      data: { passwordHash },
+    });
+
+    // 11. 删除验证码
+    await this.redisService.delete(`sms:register:${phoneNumber.value}`);
+
+    // 12. 生成 Token
+    const tokens = await this.tokenService.generateTokenPair({
+      userId: account.userId.toString(),
+      accountSequence: account.accountSequence.value,
+      deviceId: command.deviceId,
+    });
+
+    // 13. 发布领域事件
+    await this.eventPublisher.publishAll(account.domainEvents);
+    account.clearDomainEvents();
+
+    // 14. 发布 MPC Keygen 请求事件 (触发后台生成钱包)
+    const sessionId = crypto.randomUUID();
+    await this.eventPublisher.publish(
+      new MpcKeygenRequestedEvent({
+        sessionId,
+        userId: account.userId.toString(),
+        accountSequence: account.accountSequence.value,
+        username: `user_${account.accountSequence.value}`,
+        threshold: 2,
+        totalParties: 3,
+        requireDelegate: true,
+      }),
+    );
+
+    this.logger.log(
+      `Account registered by phone: sequence=${accountSequence.value}, phone=${phoneNumber.value}, MPC keygen requested`,
+    );
+
+    return {
+      userSerialNum: account.accountSequence.value,
+      referralCode: account.referralCode.value,
+      username: account.nickname,
+      avatarSvg: account.avatarUrl || identity.avatarSvg,
+      accessToken: tokens.accessToken,
+      refreshToken: tokens.refreshToken,
+    };
+  }
+
   async recoverByMnemonic(
     command: RecoverByMnemonicCommand,
   ): Promise<RecoverAccountResult> {