DSH 框架升级安全与插件升级门控：升级前跑「会话格式契约预检」（把不兼容的插件与 agent 预设扫出来先适配）、升级失败自动回滚、把拖垮过启动的插件自动隔离；另有环境指纹与公开契约规则库持续守门。内置多源插件市场只作发现层。
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.