Retrace · 回溯 — Recall, edit-and-resend, regenerate, and conversation/artifact versioning (timeline, rollback, fork map) for DeepSeek Harness — Web and Desktop

DeepSeek Harness 桌面启动器：启动项与多实例，版本、插件、整合包、MCP 和技能管理。A desktop launcher for DeepSeek Harness: launch entries, multiple instances, versions, plugins, modpacks, MCP and skills.

DSH 插件：分支式消息编辑、重掷、重试与版本时间线 | DSH plugin: branch-based message editing, reroll, retry, version timeline