@yang208691-source

en: 'Backs up DeepSeek Harness sessions, plugin config and workspace memory to Nutstore (Jianguoyun) over WebDAV, with incremental upload, connection test and one-click restore on a new machine.' zh: '把 DeepSeek Harness 的会话记录、插件配置与工作区记忆通过 WebDAV 增量备份到坚果云，支持连接测试与在新机器上一键恢复。'