Method append_metadata

tutorials/12_session_persistence.py:325–336

追加元数据条目（标题、标签等）。 对应 Reference: EP09 §1 条目类型 custom-title, ai-title, last-prompt, tag 等

(self, session_id: str, meta_type: str, data: dict)

            f.write(line)

    def append_metadata(self, session_id: str, meta_type: str, data: dict):
        """
        追加元数据条目（标题、标签等）。

        对应 Reference: EP09 §1 条目类型
            custom-title, ai-title, last-prompt, tag 等
        """
        entry = {"type": meta_type, **data}
        path = self._session_path(session_id)
        line = json.dumps(entry, ensure_ascii=False) + "\n"
        with open(path, "a") as f:
            f.write(line)

    def load_session(self, session_id: str) -> Session:
        """