textbook-exercises

Use when generating verified STEM exercises with Bloom-level tags — 示范例题（完整解题过程）、引导练习（带提示）、独立习题（附参考答案）— e.g. "出几道矩阵乘法的练习题"、"给这一章生成例题". Every computational answer is actually verified (真算核对) before output. Usually called by textbook-chapter; can run standalone. Not for 文科论述题（stem 学科档案未为其定义验证手段）or exa