固定源码记录

Updater NPM

DSH updater + official docs sync plugin for DeepSeek Harness: one-click npm update of @deepseek-ai/dsh with live progress, incremental sync of the official docs/ to local with progress, and dsh_docs_search / dsh_docs_read model tools. DSH 更新器 + 官方文档同步器（进度显示）。