feat(users): 添加App版本号追踪功能，支持用户版本更新记录

src/users/users.service.ts

@@ -87,10 +87,10 @@ export class UsersService {
     private readonly configService: ConfigService,
   ) { }
 
-  async getProfile(user: AccessTokenPayload): Promise<UserResponseDto> {
+  async getProfile(user: AccessTokenPayload, appVersion?: string): Promise<UserResponseDto> {
     try {
       // 使用NestJS Logger (会通过winston输出)
-      this.logger.log(`getProfile: ${JSON.stringify(user)}`);
+      this.logger.log(`getProfile: ${JSON.stringify(user)}, appVersion: ${appVersion}`);
 
       // 也可以直接使用winston logger
       this.winstonLogger.info('getProfile method called', {
@@ -111,8 +111,13 @@ export class UsersService {
         };
       }
 
-      // 更新用户最后登录时间
+      // 更新用户最后登录时间和版本信息
       existingUser.lastLogin = new Date();
+      if (appVersion && existingUser.appVersion !== appVersion) {
+        const oldVersion = existingUser.appVersion;
+        existingUser.appVersion = appVersion;
+        this.logger.log(`用户 ${existingUser.id} 版本更新: ${oldVersion || '无'} -> ${appVersion}`);
+      }
       await existingUser.save();
 
       const [profile] = await this.userProfileModel.findOrCreate({
@@ -136,6 +141,7 @@ export class UsersService {
         maxUsageCount: DEFAULT_FREE_USAGE_COUNT,
         isVip: existingUser.isVip,
         gender: existingUser.gender,
+        appVersion: existingUser.appVersion,
         dailyStepsGoal: profile?.dailyStepsGoal,
         dailyCaloriesGoal: profile?.dailyCaloriesGoal,
         pilatesPurposes: profile?.pilatesPurposes,