{
  "skillName": "data_analysis",
  "version": "1.0.0",
  "description": "数据分析与商业智能技能",
  "testCases": [
    {
      "id": "tc-001",
      "type": "数据查询",
      "input": {
        "query": "查询昨日热门选题的表现数据",
        "metrics": ["view_count", "retention_rate", "engagement"]
      },
      "expected": "返回选题ID、名称、各指标数值"
    },
    {
      "id": "tc-002",
      "type": "趋势分析",
      "input": {
        "topic": "军事题材",
        "period": "7d",
        "metrics": ["popularity", "growth_rate"]
      },
      "expected": "返回趋势图数据点和增长率"
    },
    {
      "id": "tc-003",
      "type": "A/B测试分析",
      "input": {
        "experimentId": "exp-20260327-001",
        "variants": ["A", "B"]
      },
      "expected": "返回各变体的转化率、统计显著性"
    },
    {
      "id": "tc-004",
      "类型": "用户反馈分析",
      "input": {
        "source": "in-app",
        "dateRange": "2026-03-20~2026-03-27",
        "sentiment": true
      },
      "expected": "返回反馈数量、正负情感占比、关键词"
    },
    {
      "id": "tc-005",
      "type": "报表导出",
      "input": {
        "reportType": "weekly",
        "format": "excel",
        "dateRange": "2026-03-20~2026-03-27"
      },
      "expected": "返回Excel文件下载链接"
    },
    {
      "id": "tc-006",
      "type": "异常检测",
      "input": {
        "metric": "daily_active_users",
        "threshold": 0.15,
        "period": "24h"
      },
      "expected": "返回异常时间点、幅度、可能原因"
    },
    {
      "id": "tc-007",
      "type": "竞品对比",
      "input": {
        "competitors": ["app-a", "app-b"],
        "metrics": ["downloads", "revenue", "rating"]
      },
      "expected": "返回对比表格和差距分析"
    },
    {
      "id": "tc-008",
      "type": "预测分析",
      "input": {
        "topic": "娱乐八卦",
        "forecast_period": "3d",
        "model": "linear_regression"
      },
      "expected": "返回预测值和置信区间"
    },
    {
      "id": "tc-009",
      "type": "归因分析",
      "input": {
        "conversion_event": "subscription",
        "channels": ["organic", "paid", "social"]
      },
      "expected": "返回各渠道贡献占比"
    },
    {
      "id": "tc-010",
      "type": "留存分析",
      "input": {
        "cohort_date": "2026-03-01",
        "retention_days": [1, 7, 30]
      },
      "expected": "返回Cohort留存率表格"
    }
  ],
  "metadata": {
    "created": "2026-03-27",
    "source": "knowledge_hunt",
    "test_framework": "manual"
  }
}