在回环地址上复现已关停的《BSide: Olivia Lin》信件 API，让游戏客户端照常收发信件：每封来信投进同一个持久 DSH agent 会话，回信写回本地信件库。
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.