用 /handoff 生成交接卡，让快满的对话在全新零上下文会话里接着跑：标题自动递增编号、卡片在侧栏置顶，接近阈值时自动备好新会话。
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.