压缩后端：用确定性语义提取器替换 LLM 摘要（保留代码/路径/命令，剔除闲聊），附带 28.4x KV 压缩记账。
curl -fsSL https://www.dshhub.co/install.sh -o dshhub-install.sh && bash dshhub-install.shAlready have DSH? Skip the wizard and install the market directly:dsh plugin --profile web add dshhub-market
This plugin installs only from the plugin side.