interaction = Interaction.model_validate(
    {
        "id": "int_steps",
        "status": "completed",
        "steps": [
            {
                "type": "model_output",
                "content": [
                    {"type": "image", "data": "aGVsbG8=", "mime_type": "image/png"}
                ],
            }
        ],
    }
)
result = _handle_response(interaction, "steps")