exam-cram-coach

临考复习教练 / Exam cram coach. 学生给一个课程资料文件夹（课件 PDF/PPTX/DOCX/笔记/作业/真题），它按章节讲解、把讲义和题目里的图裁出来展示、只从资料里出题判分、记住进度和错题，并标明每句话是否来自资料。用于期末/备考/复习/刷题/错题/小抄；Use when a student wants to cram for an exam from their own course files: teach by chapter with the figures cropped from the materials, quiz from the materials only, keep progress and mistakes across chats, and label what comes from the materials.