启用LaTeX后复查数字表格，防止数值误包数学标记
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
| block | text | item | qty |
|---|---|---|---|
| formula | x_i ≤ 1 | ||
| stock | 木条 | 12 | |
| stock | 砂纸 | 18 | |
| stock | 胶水 | 9 |
启用数学识别
reference.csv：作者验收映射，不是目标API回包
| formula | stock | timing |
|---|---|---|
| subscript i and ≤ preserved | ||
| [12, 18, 9] | ||
| download separate from processing |
应当保留的约束
| formula | stock | timing |
|---|---|---|
| subscript i and ≤ preserved | ||
| [12, 18, 9] | ||
| download separate from processing |
故意构造的错误样例
| stock | error | formula |
|---|---|---|
| {"qty": "$l2$"} | wrong digit/math wrapping | |
| changed variable and relation | x1 < 1 |
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。