dingtalk-message 是做什么的？
DingTalk message sending. Use this skill when the user mentions "dingtalk message", "send message", "send notification", "group notification", "group message", "Webhook", "robot message", "robot send message", "work notification", "private chat message", "group chat message", "recall message", "read receipt", "send Markdown", "send card message", "ActionCard", "@someone", "@employee", "at someone", "remind someone", "dingtalk message", "send message", "robot message", "work notification". Supports: group custom Webhook robots (text/Markdown/ActionCard/Link/FeedCard + signature + @mention), enterprise internal application robot messaging in private and group chats, message recall, read receipt query, and work notifications, covering all message-related operations.