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基于 Chicago Booth BUSN 36110 课程研究，构建面向 AI 协作开发者的心智模型课： - 01 互联网是怎么工作的：HTTP 请求/响应、URL 结构 - 02 数据建模：名词→表、关系类型、纸质表格测试 - 03 请求的生命周期：RCAV 模式（Route→Controller→Action→View） - 04 数据库与 CRUD：增删改查、数据库=电子表格 - 05 API："一切都是 HTTP 请求"，JSON，AI 调用去神秘化 - 06 认证与安全：Authentication vs Authorization、Session/Cookie - 方法论：螺旋学习、先做后解释、砍范围、读错误信息、AI 是乘数 模块 README 新增"为什么 Coding Agent 用户需要这个模块"和"教学理念" 根 README 同步更新模块 2 的 Level 2 展开
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| #### 一对一（One-to-One） | ||
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| 一个用户有一份个人档案。相对少见，但偶尔会用到。处理方式和一对多类似，只是在"一"的那一方加外键。 |
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This sentence says one-to-one relations are handled by adding a foreign key on the “one” side, but that alone does not enforce one-to-one and can easily become one-to-many unless a uniqueness constraint (or shared primary key) is specified. Learners applying this literally may design invalid schemas (e.g., multiple profiles linked to one user), so the guidance should explicitly describe how to enforce cardinality.
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每个概念页新增免费、无需注册的在线练习： - 01 HTTP：浏览器 DevTools Network 面板 + httpbin.org - 02 数据建模：SQLiteOnline 建表、外键、JOIN 查询 - 03 RCAV：在 GitHub 上追踪请求路径 + JSONPlaceholder - 04 CRUD：SQLiteOnline 完整增删改查操作 - 05 API：浏览器直接调 API + Hoppscotch 发 POST 请求 - 06 认证：查看浏览器 Cookie + HTTP vs HTTPS 对比
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Summary
基于 Chicago Booth BUSN 36110 课程 transcript（9 天）和 lesson 材料（121 个 HTML）的深度研究，构建第二个完整模块。
定位：与 Coding Agent 协作开发的心智模型前置课。不教语法，教理解——理解了这些概念，给 AI 的指令才能准确，AI 生成的代码才敢改。
新建 7 个页面
更新 2 个文件
Test plan