{
  "iteration": 2,
  "score": 88.25,
  "version": "1.4.0",
  "passed": false,
  "analysis": {
    "weakDimensions": [
      {
        "dimension": "D1 数据完整性",
        "currentScore": 85,
        "rootCause": "engagement 和 author 字段部分为 null",
        "improvement": "增加更多数据源补全字段"
      },
      {
        "dimension": "D3 数据实用性",
        "currentScore": 82,
        "rootCause": "虽有改进但仍有提升空间",
        "improvement": "增加更多输出格式和后处理"
      }
    ],
    "overallStrategy": "继续优化字段完整性和数据可用性"
  },
  "patch": {
    "versionBump": "minor",
    "newVersion": "1.4.0",
    "changes": "1. 多 API 源支持 2. 新鲜度验证 3. 降级策略",
    "reasoning": "v1.4.0 相比 v1.3.0 提升了多 API 和降级能力"
  }
}