区分链接预览、实际观看与网站流量，避免把零页浏览当真人阅读
本页展示随包原生输入和验收参考。目标产品运行状态：未运行。表格与图片不代表产品已经生成的结果。
input.csv / practice-data.json
本课实际输入字段
| id | surface | viewer | slidesViewed |
|---|---|---|---|
| A01 | share link | anonymous preview | 0 |
| A02 | present | test visitor | 2 |
| A03 | editor | owner test | 3 |
| A04 | gamma.site | site visitor | None |
建立实际观察台账
reference.csv：作者验收映射，不是目标API回包
| id | conclusion |
|---|---|
| A01 | no proof of reading |
| A02 | two slides observed |
| A04 | outside document analytics |
应当保留的约束
| id | conclusion |
|---|---|
| A01 | no proof of reading |
| A02 | two slides observed |
| A04 | outside document analytics |
故意构造的错误样例
| id | claim | fault | format |
|---|---|---|---|
| A01 | complete read | zero slides | |
| not currently documented | CSV export |
先保存真实产品输出，再逐项对照。actualOutput / actualResult 在未执行时保持 not_run，不能把这里的期望值复制成已测结果。