[
  {
    "id": "test-001",
    "type": "归因分析",
    "input": {
      "conversion_event": "subscription",
      "channels": ["organic", "paid", "social"]
    },
    "expected": {
      "attribution": [
        {"channel": "organic", "contribution": 0.45},
        {"channel": "paid", "contribution": 0.35},
        {"channel": "social", "contribution": 0.20}
      ],
      "total_conversions": 5000
    },
    "evaluation": {
      "data_accuracy": 9,
      "analysis_depth": 9,
      "report_quality": 8,
      "tool_usage": 9
    }
  },
  {
    "id": "test-002",
    "type": "留存分析",
    "input": {
      "cohort_date": "2026-03-01",
      "retention_days": [1, 7, 30]
    },
    "expected": {
      "cohort_retention": [
        {"day": 1, "rate": 0.85},
        {"day": 7, "rate": 0.52},
        {"day": 30, "rate": 0.28}
      ],
      "cohort_size": 10000
    },
    "evaluation": {
      "data_accuracy": 9,
      "analysis_depth": 8,
      "report_quality": 9,
      "tool_usage": 10
    }
  }
]