Method add_message

tutorials/12_session_persistence.py:219–225

添加消息，自动设置 parent_uuid 形成链表。

(self, message: ConversationMessage)

            self.session_id = str(uuid.uuid4())[:12]

    def add_message(self, message: ConversationMessage):
        """
        添加消息，自动设置 parent_uuid 形成链表。
        """
        if self.messages:
            message.parent_uuid = self.messages[-1].uuid
        self.messages.append(message)


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