{
  "changelog": [
    {
      "at": "2026-08-14T13:00:00Z",
      "summary": "prior run projection: retry-and-return criteria decided, retry backoff assumed"
    }
  ],
  "fields": {
    "export.retry_backoff": {
      "notes": "理由：重试退避上限未逐字确认；风险：连续重试压垮服务；回退：固定 5s。",
      "provenance": "inferred",
      "resolution": "assumed",
      "value": "exponential, 30s cap"
    },
    "l1.goal": {
      "provenance": "observed",
      "resolution": "decided",
      "value": "支持运营导出失败后可靠重试并保持进度可见"
    },
    "l1.target_user": {
      "provenance": "observed",
      "resolution": "decided",
      "value": "运营角色，导出任务失败后重试完成周报"
    },
    "l6.c1": {
      "provenance": "observed",
      "resolution": "decided",
      "value": "Given 导出失败 When 点击重试 Then 30 秒内重新发起导出并显示进度（证据：交互记录）"
    },
    "l6.c2": {
      "provenance": "observed",
      "resolution": "decided",
      "value": "Given 导出进行中 When 离开并返回该页 Then 导出进度与结果仍可获知（证据：交互记录）"
    }
  },
  "schemaVersion": 1
}