Use when a textbook project needs its teaching design — 教学定位、UbD 预期结果五件套（大概念/持久理解/核心问题/迁移目标/学习目标）、章节树与例题 Bloom 梯度规划 — e.g. "设计教材大纲"、"教材规划"、"课程体系设计". Usually orchestrated by textbook; can run standalone to produce 00-教材设计.md. Not for writing chapter prose or generating exercises.
Use when a textbook project needs its teaching design — 教学定位、UbD 预期结果五件套（大概念/持久理解/核心问题/迁移目标/学习目标）、章节树与例题 Bloom 梯度规划 — e.g. "设计教材大纲"、"教材规划"、"课程体系设计". Usually orchestrated by textbook; can run standalone to produce 00-教材设计.md. Not for writing chapter prose or generating exercises.