Function load_session_json

tutorials/12_session_persistence.py:256–274

从 JSON 文件加载会话。 对应源码: session.rs:93-96 pub fn load_from_path(path) -> Result { let contents = fs::read_to_string(path)?; Self::from_json(&JsonValue::parse(&contents)?) }

(path: str)

def load_session_json(path: str) -> Session:
    """
    从 JSON 文件加载会话。

    对应源码: session.rs:93-96
        pub fn load_from_path(path) -> Result<Self, SessionError> {
            let contents = fs::read_to_string(path)?;
            Self::from_json(&JsonValue::parse(&contents)?)
        }
    """
    with open(path, "r") as f:
        data = json.load(f)
    session = Session(
        version=data["version"],
        session_id=data.get("session_id", ""),
    )
    for msg_data in data["messages"]:
        session.messages.append(ConversationMessage.from_dict(msg_data))
    return session


# --- 方案 B：JSONL 仅追加 ---