ListTasksResponse

{
    "items": [
        {
            "id": "task_0123456789abcdef0123456789abcdef",
            "model": "doubao-seedance-2.0",
            "status": "queued",
            "error": {
                "code": "failed",
                "message": "上游任务生成失败"
            },
            "created_at": 1717401600,
            "updated_at": 1717401660,
            "content": {
                "video_url": "https://cdn.example.com/videos/result.mp4",
                "last_frame_url": "https://cdn.example.com/videos/result-last-frame.png"
            },
            "seed": 123456,
            "resolution": "720p",
            "ratio": "16:9",
            "duration": 5,
            "frames": 24,
            "framespersecond": 24,
            "generate_audio": false,
            "tools": [
                {
                    "property1": "string",
                    "property2": "string"
                }
            ],
            "safety_identifier": "user_123",
            "priority": 0,
            "draft": false,
            "draft_task_id": "task_draft_0123456789abcdef",
            "service_tier": "default",
            "execution_expires_after": 3600,
            "usage": {
                "completion_tokens": 800,
                "total_tokens": 1200,
                "tool_usage": {
                    "watermark": 1
                }
            }
        }
    ],
    "total": 1
}