{
  "task_id": "test_create_concept_001",
  "project_id": "test_project_001",
  "agent_name": "writer",
  "content_type": "concept",
  "requirements": {
    "theme": "AI视频创作",
    "target_audience": "科技爱好者",
    "duration": "90秒短视频",
    "style": "科技纪实"
  },
  "reference_materials": [
    {
      "material_id": "hot_topic_20260428_214328_1",
      "title": "AI视频生成技术新突破",
      "content": "最新AI视频生成技术可实现高精度人物动作和场景生成...",
      "relevance_score": 0.95
    },
    {
      "material_id": "hot_topic_20260428_214328_2",
      "title": "短视频创作趋势分析",
      "content": "2024年短视频创作趋势：互动式内容、知识分享、情感共鸣...",
      "relevance_score": 0.92
    }
  ],
  "instructions": [
    "基于参考素材创作创意概念",
    "结合AI视频技术趋势",
    "考虑短视频平台特点",
    "确保内容新颖且有吸引力"
  ],
  "created_at": "2026-04-28T21:45:00"
}