{
  "schema_version": 2,
  "type": "course",
  "course_id": "demo.demetra1.01",
  "content_version": 1,
  "title": "演示课程：如何阅读与记录（非正式讲义）",
  "order": 1,
  "source": {"book":"Demetra George 第一卷 · 格式演示","author":"演示内容，非作者原文","volume":"I","chapters":"待核实","book_pages":"待核实","pdf_pages":"待核实"},
  "prerequisites": ["无需占星知识；此文件仅演示课程格式。"],
  "objectives": ["区分阅读日期与课程版本。"],
  "core": ["关联课程后，在每日学习中记录你的理解。"],
  "optional": ["可查看旧版课程，历史关联保持原版本。"],
  "sections": [
    {"id":"read","title":"阅读步骤","kind":"teacher_synthesis","blocks":[
      {"type":"paragraph","text":"这是中文讲授格式演示，不是十天课程中的正式讲义。\n保留段落中的换行。"},
      {"type":"list","items":["先读学习目标","记录不理解的问题","完成练习，再展开解析"]},
      {"type":"table","headers":["维度","用途"],"rows":[["日期","记录当天实际学习"],["课程 ID 与版本","找到当时阅读的讲义"]]}
    ]},
    {"id":"example","title":"一个记录例子","kind":"teaching_example","blocks":[{"type":"paragraph","text":"例：同一课程在两天分别阅读一半，两天都关联 v1。以后导入 v2，不改写原有学习关联。"}]}
  ],
  "exercises": [{"id":"q1","prompt":"同一课分两天学习，需要复制两份讲义吗？","answer":"不需要。","explanation":"日期记录各自关联同一课程 ID 与版本。"}],
  "citations": [{"source":"软件演示","locator":"无教材正文引用","status":"unverified"}],
  "relationships": [{"type":"new","text":"这是工具操作说明，非中文主书知识。"}],
  "link_dates": []
}