feat: memos-local-openclaw-plugin的记忆数据能否增加导出功能

[CRENH]

Pre-submission checklist | 提交前检查

• I have searched existing issues and this hasn't been mentioned before | 我已搜索现有问题，确认此问题尚未被提及
• I have read the project documentation and confirmed this issue doesn't already exist | 我已阅读项目文档并确认此问题尚未存在
• This issue is specific to MemOS and not a general software issue | 该问题是针对 MemOS 的，而不是一般软件问题

Problem Statement | 问题陈述

在用memos-local-openclaw-plugin，但担心未来如果想切换回openclaw的原生记忆管理方式，现在的memos-local记忆数据能否导出和迁移回原生记忆文件和数据库？
先感谢过

Willingness to Implement | 实现意愿

• I'm willing to implement this myself | 我愿意自己解决
• I would like someone else to implement this | 我希望其他人来解决