Enter the key your relay was set up with.
Past the line, it saves to memory first, then compacts once it's quiet. All the way left: no line.
Saved on the server, never shown again. The companion knows where they are and loads one inside the command that needs it, so no key goes through the chat. / 存在服务器上，存完不再显示。它知道放在哪，要用的那条命令里自己取，密钥不经过聊天。