Method from_json

backend/scenario.py:218–226

从 JSON 字符串反序列化场景字典。

(text: str)

    @staticmethod
    def from_json(text: str) -> Dict[str, Any]:
        """从 JSON 字符串反序列化场景字典。"""
        try:
            obj = json.loads(text)
        except json.JSONDecodeError as exc:
            raise ValueError(f"JSON 解析失败: {exc}") from exc
        if not isinstance(obj, dict):
            raise ValueError("JSON 根对象必须为 object")
        return obj

    @staticmethod
    def to_yaml(data: Dict[str, Any]) -> str: