Method update

SWF/src/base.py:119–122

(self, messages, key=None)

        return {"content": content, "usage": usage, "cost": 0}

    def update(self, messages, key=None):
        if key is None:
            key = len(self.memory)
        self.memory[key].extend(messages)

    def append(self, role, content):
        self.history.append({"role": role, "content": content})