{
  "说明": "全部为合成输入与拟定制工作表，未连接真实系统，预期不是实测结果。",
  "研究日期": "2026-10-24",
  "题目": "企业经营周和自然周不同，Agent 怎样准备可比较的周期映射",
  "工作表字段": [
    "业务日期",
    "经营年",
    "经营周",
    "周内序号",
    "周期边界",
    "观察截止",
    "同期日期",
    "规则依据",
    "可比范围"
  ],
  "samples": [
    {
      "case_id": "W086-01",
      "input": "经营周从周三开始，10月21日周三被自然周算法归入另一周期",
      "expected": "按批准日历给映射候选，不改原业务日期",
      "actual": "",
      "human_review": "由本场景授权业务或技术负责人核对；本表不自动给出批准、上线或安全通过结论。",
      "reviewer": "",
      "evidence_location": ""
    },
    {
      "case_id": "W086-02",
      "input": "某经营年53周，上一年仅52周",
      "expected": "列同期规则待定，不自动硬比不存在的周",
      "actual": "",
      "human_review": "由本场景授权业务或技术负责人核对；本表不自动给出批准、上线或安全通过结论。",
      "reviewer": "",
      "evidence_location": ""
    },
    {
      "case_id": "W086-03",
      "input": "当前周仅有3天，报表与上一年全7天比较",
      "expected": "明确覆盖天数差，给相同天序候选待确认",
      "actual": "",
      "human_review": "由本场景授权业务或技术负责人核对；本表不自动给出批准、上线或安全通过结论。",
      "reviewer": "",
      "evidence_location": ""
    }
  ],
  "补充业务输入": {
    "说明": "合成批准映射，并非通用同比算法；时区Asia/Shanghai，日期按当地日界",
    "calendar": [
      {
        "date": "2026-10-21",
        "business_year": "BY26",
        "business_week": "DEMO-W1",
        "day_index": 1,
        "comparison_date": "2025-10-22"
      },
      {
        "date": "2026-10-22",
        "business_year": "BY26",
        "business_week": "DEMO-W1",
        "day_index": 2,
        "comparison_date": "2025-10-23"
      },
      {
        "date": "2026-10-23",
        "business_year": "BY26",
        "business_week": "DEMO-W1",
        "day_index": 3,
        "comparison_date": "2025-10-24"
      },
      {
        "date": "2026-10-24",
        "business_year": "BY26",
        "business_week": "DEMO-W1",
        "day_index": 4,
        "comparison_date": "2025-10-25"
      },
      {
        "date": "2026-10-25",
        "business_year": "BY26",
        "business_week": "DEMO-W1",
        "day_index": 5,
        "comparison_date": "2025-10-26"
      },
      {
        "date": "2026-10-26",
        "business_year": "BY26",
        "business_week": "DEMO-W1",
        "day_index": 6,
        "comparison_date": "2025-10-27"
      },
      {
        "date": "2026-10-27",
        "business_year": "BY26",
        "business_week": "DEMO-W1",
        "day_index": 7,
        "comparison_date": "2025-10-28"
      }
    ],
    "observed_end_date_inclusive": "2026-10-23",
    "expected_current_members": [
      "2026-10-21",
      "2026-10-22",
      "2026-10-23"
    ],
    "expected_comparison_members": [
      "2025-10-22",
      "2025-10-23",
      "2025-10-24"
    ],
    "53周子例": {
      "this_year_weeks": 53,
      "previous_year_weeks": 52,
      "comparison_rule": null,
      "expected": "不存在直接同周号，交业务裁定，不套减一规则"
    },
    "actual": ""
  },
  "source_support": [
    {
      "url": "https://learn.microsoft.com/en-us/power-bi/transform-model/desktop-time-intelligence",
      "support": "日期表与日历用于时间计算；经典时间智能和预览日历功能适用不同，本文采用明确日历映射表。",
      "opened_on": "2026-10-24"
    },
    {
      "url": "https://learn.microsoft.com/en-us/power-bi/guidance/star-schema",
      "support": "事实表粒度、维度键与Type 2有效期/代理键支持历史归属；Power Query不能凭当前值恢复丢失历史。",
      "opened_on": "2026-10-24"
    }
  ]
}