基于哈希锚定的 read / edit / batch_edit / undo_last_edit 工具：每行分配唯一的 3 字符内容哈希，编辑按哈希而非行号定位；对已提供状态逐行校验，过期范围会被拒绝并回传新锚点。
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.