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安全：createPrerequisiteAction 补充 prerequisiteKpId 归属校验；deletePrerequisiteAction 补充双知识点归属校验，防止跨教材越权。 功能：实现图谱添加/删除前置依赖（Dialog + Select 选择知识点 + 调用 Server Action + 自动刷新图谱），替换原 no-op 回调。 i18n：修复 8 处硬编码英文字符串（textbook-reader/chapter-sidebar-list/textbook-card/textbook-form-dialog/textbook-settings-dialog/create-chapter-dialog/teacher-textbook-reader），新增 saveFailed/createFailed/updateFailed/deleteFailed/questionCreatorDefaultContent 等 key。 类型安全：graph-prerequisite-edge.tsx 使用 GraphEdgeData 类型经 unknown 安全转换，替代裸 as 断言。 规范：analytics.tsx 移动 use client 指令到文件第一行；同步架构文档 005 JSON 类型定义（GraphNodeData/GraphEdgeData/MasteryLevel）。 验证：教材模块 lint 零错误、tsc 零错误、193 个单元测试全部通过。
This is a Next.js project bootstrapped with create-next-app.
Getting Started
First, run the development server:
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
Open http://localhost:3000 with your browser to see the result.
You can start editing the page by modifying app/page.tsx. The page auto-updates as you edit the file.
This project uses next/font to automatically optimize and load Geist, a new font family for Vercel.
Learn More
To learn more about Next.js, take a look at the following resources:
- Next.js Documentation - learn about Next.js features and API.
- Learn Next.js - an interactive Next.js tutorial.
You can check out the Next.js GitHub repository - your feedback and contributions are welcome!
Deploy on Vercel
The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.
Check out our Next.js deployment documentation for more details.