{
  "name": "工单来源与状态分布",
  "description": "分析不同来源的工单状态分布，评估渠道效果。",
  "tags": [
    "来源",
    "工单状态",
    "分布",
    "渠道"
  ],
  "preset_queries": [
    {
      "purpose": "统计每个来源的工单数量及状态分布。",
      "sql": "SELECT 来源, 工单状态, COUNT(*) AS 工单数量 FROM tickets GROUP BY 来源, 工单状态 ORDER BY 来源, 工单状态"
    },
    {
      "purpose": "计算每个来源的工单关闭比例。",
      "sql": "SELECT 来源, ROUND(SUM(CASE WHEN 工单状态 = 'close' THEN 1 ELSE 0 END) * 100.0 / COUNT(*), 2) AS 关闭比例 FROM tickets GROUP BY 来源 ORDER BY 关闭比例 DESC"
    }
  ],
  "exploration_hints": "比较不同来源的关闭比例，识别效果最佳的渠道。分析状态为'temporary close'的工单特征，如问题类型或责任人，以优化处理流程。",
  "placeholders": {}
}