feat: 新增体重记录接口及枚举，优化AI教练选择项处理

src/users/users.controller.ts

@@ -30,6 +30,7 @@ import { GuestLoginDto, GuestLoginResponseDto, RefreshGuestTokenDto, RefreshGues
 import { AppStoreServerNotificationDto, ProcessNotificationResponseDto } from './dto/app-store-notification.dto';
 import { RestorePurchaseDto, RestorePurchaseResponseDto } from './dto/restore-purchase.dto';
 import { GetUserActivityHistoryResponseDto } from './dto/user-activity.dto';
+import { UpdateWeightRecordDto, WeightRecordResponseDto, DeleteWeightRecordResponseDto } from './dto/weight-record.dto';
 import { Public } from '../common/decorators/public.decorator';
 import { CurrentUser } from '../common/decorators/current-user.decorator';
 import { AccessTokenPayload } from './services/apple-auth.service';
@@ -72,6 +73,40 @@ export class UsersController {
     return { code: ResponseCode.SUCCESS, message: 'success', data };
   }
 
+  // 更新体重记录
+  @UseGuards(JwtAuthGuard)
+  @Put('/weight-records/:id')
+  @HttpCode(HttpStatus.OK)
+  @ApiOperation({ summary: '更新体重记录' })
+  @ApiBody({ type: UpdateWeightRecordDto })
+  @ApiResponse({ status: 200, description: '成功更新体重记录', type: WeightRecordResponseDto })
+  async updateWeightRecord(
+    @Param('id') recordId: string,
+    @Body() updateDto: UpdateWeightRecordDto,
+    @CurrentUser() user: AccessTokenPayload,
+  ): Promise<WeightRecordResponseDto> {
+    this.logger.log(`更新体重记录 - 用户ID: ${user.sub}, 记录ID: ${recordId}`);
+    return this.usersService.updateWeightRecord(user.sub, parseInt(recordId), updateDto);
+  }
+
+  // 删除体重记录
+  @UseGuards(JwtAuthGuard)
+  @Delete('/weight-records/:id')
+  @HttpCode(HttpStatus.OK)
+  @ApiOperation({ summary: '删除体重记录' })
+  @ApiResponse({ status: 200, description: '成功删除体重记录', type: DeleteWeightRecordResponseDto })
+  async deleteWeightRecord(
+    @Param('id') recordId: string,
+    @CurrentUser() user: AccessTokenPayload,
+  ): Promise<DeleteWeightRecordResponseDto> {
+    this.logger.log(`删除体重记录 - 用户ID: ${user.sub}, 记录ID: ${recordId}`);
+    const success = await this.usersService.deleteWeightRecord(user.sub, parseInt(recordId));
+    if (!success) {
+      throw new NotFoundException('体重记录不存在');
+    }
+    return { code: ResponseCode.SUCCESS, message: 'success' };
+  }
+
 
   // 更新用户昵称、头像
   @UseGuards(JwtAuthGuard)