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

DeepSeek Harness 轻量启动器。选一个版本，启动 DSH web。A lightweight launcher for DeepSeek Harness. Pick a version, start DSH web.

Verifiable research-report engine for DeepSeek Harness: content-addressed evidence ledger (claim-snapshot binding, tamper-evident) plus versioned sealed reports with per-claim verification verdicts and a manifest-sealed directory.

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