MCP服务部署时镜像构建失败： error building image: could not parse reference: #676
Description
版本：v1.14.0-ce
问题描述：MCP服务部署时，在执行镜像构建阶段，Kaniko 报 could not parse reference 错误，构建流程中断，核心错误��志：
2026-01-07 09:49:16 error building image: could not parse reference: opencsg-registry.cn-beijing.cr.aliyuncs.com/opencsg_public/space-base:python3.10-1.0.2/opencsg_public/space-base:python3.10-1.0.3
查看了源代码，在文件docker\spaces\builder\Dockerfile-python3.10 中的代码存在问题：
ARG SPACE_BASE_IMAGE=opencsg-registry.cn-beijing.cr.aliyuncs.com/opencsg_public/space-base:python3.10-1.0.2
FROM ${SPACE_BASE_IMAGE}/opencsg_public/space-base:python3.10-1.0.3 AS base
......