fix(identity-service): 添加注册流程详细日志和保存验证

问题：用户注册后 referral-service 有数据但 identity-service 没有
原因：save() 方法和 registerByPhone 方法缺少日志，无法追踪问题

修复：
- save() 方法添加完整日志和 try-catch
- registerByPhone 方法添加每个步骤的日志
- 添加关键验证：保存后检查 userId 是否为 0

🤖 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

@@ -221,20 +221,32 @@ export class UserApplicationService {
   ): Promise<AutoCreateAccountResult> {
     const phoneNumber = PhoneNumber.create(command.phoneNumber);
 
+    this.logger.log(
+      `[REGISTER] Starting phone registration: phone=${phoneNumber.value}, deviceId=${command.deviceId}`,
+    );
+
     // 1. 验证短信验证码
     const cachedCode = await this.redisService.get(
       `sms:register:${phoneNumber.value}`,
     );
     if (cachedCode !== command.smsCode) {
+      this.logger.warn(
+        `[REGISTER] SMS code mismatch: phone=${phoneNumber.value}`,
+      );
       throw new ApplicationError('验证码错误或已过期');
     }
+    this.logger.log(`[REGISTER] SMS code verified`);
 
     // 2. 检查手机号是否已注册
     const phoneValidation =
       await this.validatorService.validatePhoneNumber(phoneNumber);
     if (!phoneValidation.isValid) {
+      this.logger.warn(
+        `[REGISTER] Phone validation failed: ${phoneValidation.errorMessage}`,
+      );
       throw new ApplicationError(phoneValidation.errorMessage!);
     }
+    this.logger.log(`[REGISTER] Phone number validated`);
 
     // 3. 验证邀请码
     let inviterSequence: AccountSequence | null = null;
@@ -243,16 +255,25 @@ export class UserApplicationService {
       const referralValidation =
         await this.validatorService.validateReferralCode(referralCode);
       if (!referralValidation.isValid) {
+        this.logger.warn(
+          `[REGISTER] Referral code invalid: ${command.inviterReferralCode}`,
+        );
         throw new ApplicationError(referralValidation.errorMessage!);
       }
       const inviter =
         await this.userRepository.findByReferralCode(referralCode);
       inviterSequence = inviter!.accountSequence;
+      this.logger.log(
+        `[REGISTER] Inviter validated: ${inviterSequence.value}`,
+      );
     }
 
     // 4. 生成用户序列号
     const accountSequence =
       await this.sequenceGenerator.generateNextUserSequence();
+    this.logger.log(
+      `[REGISTER] Generated sequence: ${accountSequence.value}`,
+    );
 
     // 5. 生成用户名和头像
     const identity = generateIdentity(accountSequence.value);
@@ -277,6 +298,9 @@ export class UserApplicationService {
       deviceInfo: command.deviceName,
       inviterSequence,
     });
+    this.logger.log(
+      `[REGISTER] Account aggregate created (not saved yet): sequence=${accountSequence.value}`,
+    );
 
     // 8. 设置随机用户名和头像
     account.updateProfile({
@@ -285,15 +309,29 @@ export class UserApplicationService {
     });
 
     // 9. 保存账户
+    this.logger.log(`[REGISTER] Saving account to database...`);
     await this.userRepository.save(account);
+    this.logger.log(
+      `[REGISTER] Account saved: userId=${account.userId.value}, sequence=${account.accountSequence.value}`,
+    );
+
+    // 9.1 验证保存成功
+    if (account.userId.value === BigInt(0)) {
+      this.logger.error(
+        `[REGISTER] CRITICAL: userId is still 0 after save! sequence=${accountSequence.value}`,
+      );
+      throw new ApplicationError('账户保存失败：未获取到用户ID');
+    }
 
     // 10. 设置密码
+    this.logger.log(`[REGISTER] Setting password hash...`);
     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 },
     });
+    this.logger.log(`[REGISTER] Password hash set`);
 
     // 11. 删除验证码
     await this.redisService.delete(`sms:register:${phoneNumber.value}`);
@@ -304,10 +342,15 @@ export class UserApplicationService {
       accountSequence: account.accountSequence.value,
       deviceId: command.deviceId,
     });
+    this.logger.log(`[REGISTER] Tokens generated`);
 
     // 13. 发布领域事件
+    this.logger.log(
+      `[REGISTER] Publishing ${account.domainEvents.length} domain events...`,
+    );
     await this.eventPublisher.publishAll(account.domainEvents);
     account.clearDomainEvents();
+    this.logger.log(`[REGISTER] Domain events published`);
 
     // 14. 发布 MPC Keygen 请求事件 (触发后台生成钱包)
     const sessionId = crypto.randomUUID();
@@ -324,7 +367,7 @@ export class UserApplicationService {
     );
 
     this.logger.log(
-      `Account registered by phone: sequence=${accountSequence.value}, phone=${phoneNumber.value}, MPC keygen requested`,
+      `[REGISTER] COMPLETE: sequence=${accountSequence.value}, phone=${phoneNumber.value}, userId=${account.userId.value}`,
     );
 
     return {

backend/services/identity-service/src/infrastructure/persistence/repositories/user-account.repository.impl.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable, Logger } from '@nestjs/common';
 import { PrismaService } from '@/infrastructure/persistence/prisma/prisma.service';
 import {
   UserAccountRepository,
@@ -27,87 +27,124 @@ import {
 
 @Injectable()
 export class UserAccountRepositoryImpl implements UserAccountRepository {
+  private readonly logger = new Logger(UserAccountRepositoryImpl.name);
+
   constructor(private readonly prisma: PrismaService) {}
 
   async save(account: UserAccount): Promise<void> {
     const devices = account.getAllDevices();
     const isNewAccount = account.userId.value === BigInt(0);
 
-    await this.prisma.$transaction(async (tx) => {
-      let savedUserId: bigint;
+    this.logger.log(
+      `[SAVE] Starting save: sequence=${account.accountSequence.value}, isNew=${isNewAccount}, phone=${account.phoneNumber?.value || 'null'}`,
+    );
 
-      if (isNewAccount) {
-        // 新账户，让数据库自动生成userId
-        const created = await tx.userAccount.create({
-          data: {
-            accountSequence: account.accountSequence.value,
-            phoneNumber: account.phoneNumber?.value || null,
-            nickname: account.nickname,
-            avatarUrl: account.avatarUrl,
-            inviterSequence: account.inviterSequence?.value || null,
-            referralCode: account.referralCode.value,
-            kycStatus: account.kycStatus,
-            realName: account.kycInfo?.realName || null,
-            idCardNumber: account.kycInfo?.idCardNumber || null,
-            idCardFrontUrl: account.kycInfo?.idCardFrontUrl || null,
-            idCardBackUrl: account.kycInfo?.idCardBackUrl || null,
-            status: account.status,
-            registeredAt: account.registeredAt,
-            lastLoginAt: account.lastLoginAt,
-          },
-        });
-        savedUserId = created.userId;
-        // 更新聚合根的userId
-        (account as any)._userId = UserId.create(savedUserId);
-      } else {
-        // 已存在的账户，更新
-        await tx.userAccount.update({
-          where: { userId: BigInt(account.userId.value) },
-          data: {
-            phoneNumber: account.phoneNumber?.value || null,
-            nickname: account.nickname,
-            avatarUrl: account.avatarUrl,
-            kycStatus: account.kycStatus,
-            realName: account.kycInfo?.realName || null,
-            idCardNumber: account.kycInfo?.idCardNumber || null,
-            idCardFrontUrl: account.kycInfo?.idCardFrontUrl || null,
-            idCardBackUrl: account.kycInfo?.idCardBackUrl || null,
-            status: account.status,
-            lastLoginAt: account.lastLoginAt,
-          },
-        });
-        savedUserId = account.userId.value;
-      }
+    try {
+      await this.prisma.$transaction(async (tx) => {
+        let savedUserId: bigint;
 
-      // Sync devices
-      await tx.userDevice.deleteMany({ where: { userId: savedUserId } });
-      if (devices.length > 0) {
-        await tx.userDevice.createMany({
-          data: devices.map((d) => {
-            // 从 deviceInfo JSON 中提取冗余字段便于查询
-            const info = d.deviceInfo || {};
-            return {
-              userId: savedUserId,
-              deviceId: d.deviceId,
-              deviceName: d.deviceName,
-              deviceInfo: d.deviceInfo
-                ? JSON.parse(JSON.stringify(d.deviceInfo))
-                : null, // 100% 保存完整 JSON
-              platform: (info as any).platform || null,
-              deviceModel: (info as any).model || null,
-              osVersion: (info as any).osVersion || null,
-              appVersion: (info as any).appVersion || null,
-              screenWidth: (info as any).screenWidth || null,
-              screenHeight: (info as any).screenHeight || null,
-              locale: (info as any).locale || null,
-              timezone: (info as any).timezone || null,
-              addedAt: d.addedAt,
-              lastActiveAt: d.lastActiveAt,
-            };
-          }),
-        });
-      }
-    });
+        if (isNewAccount) {
+          // 新账户，让数据库自动生成userId
+          this.logger.log(`[SAVE] Creating new account in transaction...`);
+
+          const created = await tx.userAccount.create({
+            data: {
+              accountSequence: account.accountSequence.value,
+              phoneNumber: account.phoneNumber?.value || null,
+              nickname: account.nickname,
+              avatarUrl: account.avatarUrl,
+              inviterSequence: account.inviterSequence?.value || null,
+              referralCode: account.referralCode.value,
+              kycStatus: account.kycStatus,
+              realName: account.kycInfo?.realName || null,
+              idCardNumber: account.kycInfo?.idCardNumber || null,
+              idCardFrontUrl: account.kycInfo?.idCardFrontUrl || null,
+              idCardBackUrl: account.kycInfo?.idCardBackUrl || null,
+              status: account.status,
+              registeredAt: account.registeredAt,
+              lastLoginAt: account.lastLoginAt,
+            },
+          });
+          savedUserId = created.userId;
+
+          this.logger.log(
+            `[SAVE] Account created: userId=${savedUserId}, sequence=${created.accountSequence}`,
+          );
+
+          // 更新聚合根的userId
+          (account as any)._userId = UserId.create(savedUserId);
+        } else {
+          // 已存在的账户，更新
+          this.logger.log(
+            `[SAVE] Updating existing account: userId=${account.userId.value}`,
+          );
+
+          await tx.userAccount.update({
+            where: { userId: BigInt(account.userId.value) },
+            data: {
+              phoneNumber: account.phoneNumber?.value || null,
+              nickname: account.nickname,
+              avatarUrl: account.avatarUrl,
+              kycStatus: account.kycStatus,
+              realName: account.kycInfo?.realName || null,
+              idCardNumber: account.kycInfo?.idCardNumber || null,
+              idCardFrontUrl: account.kycInfo?.idCardFrontUrl || null,
+              idCardBackUrl: account.kycInfo?.idCardBackUrl || null,
+              status: account.status,
+              lastLoginAt: account.lastLoginAt,
+            },
+          });
+          savedUserId = account.userId.value;
+
+          this.logger.log(`[SAVE] Account updated: userId=${savedUserId}`);
+        }
+
+        // Sync devices
+        this.logger.log(
+          `[SAVE] Syncing ${devices.length} devices for userId=${savedUserId}`,
+        );
+
+        await tx.userDevice.deleteMany({ where: { userId: savedUserId } });
+        if (devices.length > 0) {
+          await tx.userDevice.createMany({
+            data: devices.map((d) => {
+              // 从 deviceInfo JSON 中提取冗余字段便于查询
+              const info = d.deviceInfo || {};
+              return {
+                userId: savedUserId,
+                deviceId: d.deviceId,
+                deviceName: d.deviceName,
+                deviceInfo: d.deviceInfo
+                  ? JSON.parse(JSON.stringify(d.deviceInfo))
+                  : null, // 100% 保存完整 JSON
+                platform: (info as any).platform || null,
+                deviceModel: (info as any).model || null,
+                osVersion: (info as any).osVersion || null,
+                appVersion: (info as any).appVersion || null,
+                screenWidth: (info as any).screenWidth || null,
+                screenHeight: (info as any).screenHeight || null,
+                locale: (info as any).locale || null,
+                timezone: (info as any).timezone || null,
+                addedAt: d.addedAt,
+                lastActiveAt: d.lastActiveAt,
+              };
+            }),
+          });
+        }
+
+        this.logger.log(`[SAVE] Devices synced successfully`);
+      });
+
+      this.logger.log(
+        `[SAVE] Transaction committed: sequence=${account.accountSequence.value}, userId=${account.userId.value}`,
+      );
+    } catch (error) {
+      this.logger.error(
+        `[SAVE] Transaction FAILED: sequence=${account.accountSequence.value}, error=${error.message}`,
+      );
+      this.logger.error(`[SAVE] Stack: ${error.stack}`);
+      throw error; // 确保异常被抛出
+    }
   }
 
   async saveWallets(userId: UserId, wallets: WalletAddress[]): Promise<void> {