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# Claude Code
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# Claude Code
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.claude/
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coverage/
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AGENTS.md
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# AGENTS.md — duoqi-api
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> 多奇服务端 API,基于 Fastify + TypeScript + Drizzle ORM + MySQL 8.0+
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> 包管理器:**bun**(禁止使用 npm)
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## 项目概述
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多奇(Duoqi)是游戏化知识闯关学习平台。duoqi-api 是三端(HarmonyOS / Flutter / Web)共享的后端服务,从 Phase 1 起即为 HarmonyOS 客户端提供 API 支持。
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## 技术栈
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| 层面 | 选型 | 说明 |
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|------|------|------|
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| 后端框架 | **Fastify 5** | 高性能,内置 JSON Schema 验证,TypeScript 友好 |
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| ORM | **Drizzle ORM** | 轻量、类型安全,`src/db/schema.ts` 为唯一真相源 |
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| 数据库 | MySQL 8.0+ | 阿里云 RDS |
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| 认证 | @fastify/jwt | 自建 JWT(华为 ID Kit + 游客模式) |
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| 校验 | Zod | 环境变量 + 请求体校验(所有路由已接入 Zod) |
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| 测试 | Vitest | 单元测试框架,19 个测试全部通过 |
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| 运行时 | Node.js (ESM) | `"type": "module"`,import 使用 `.js` 后缀 |
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## Quick Start
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```bash
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bun install # 安装依赖
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cp .env.example .env # 复制环境变量模板,填入实际值
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bun run dev # 启动开发服务器,默认端口 3000
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```
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必填环境变量:`DATABASE_URL`, `JWT_SECRET`, `ADMIN_TOKEN`
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## 开发命令
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```bash
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bun run dev # 启动开发服务器(tsx watch 热重载)
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bun run typecheck # 类型检查(tsc --noEmit)
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bun run build # 编译到 dist/
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bun run test # 运行测试(vitest run)
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bun run db:push # 推送 schema 到数据库(开发用)
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bun run db:generate # 生成迁移文件
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bun run db:migrate # 执行迁移
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bun run db:seed # 导入种子数据(分类 → 技能树 → 题目 → 成就)
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bun run db:studio # Drizzle Studio(数据库可视化浏览器)
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bun run lint # ESLint 检查
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```
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## 项目结构
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```
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src/
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├── index.ts # 入口:Fastify 实例 + 插件注册 + 路由挂载
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├── db/
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│ ├── client.ts # 数据库连接(mysql2 pool + drizzle)
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│ └── schema.ts # 全部 15 张表定义(唯一真相源)
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├── types/ # TypeScript 类型(auth, quiz, user, api)
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├── utils/
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│ ├── config.ts # 环境变量(Zod 校验,启动时 fail-fast)
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│ └── errors.ts # AppError 层级 + 统一错误处理器
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├── middleware/
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│ ├── auth.ts # JWT 认证(排除公开路径和 admin 路径)
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│ ├── admin-auth.ts # Admin token 认证(/v1/admin/* 路径)
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│ ├── audit-log.ts # Admin 操作审计日志
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│ └── request-logger.ts # 请求耗时日志
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├── services/ # 业务逻辑(按领域分目录)
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│ ├── auth/ # jwt, guest, huawei-id-kit, phone
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│ ├── quiz/ # quiz-service(出题引擎 + 答题验证)
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│ ├── progress/ # progress, streak, xp, hearts
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│ ├── gamification/ # leaderboard, achievement
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│ ├── payment/ # huawei-iap, subscription-service
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│ └── admin/ # 7 个管理端 CRUD 服务
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│ └── question, category, knowledge-card, skill-tree,
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│ user, stats, feedback
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├── routes/ # 路由(薄层,调 service + Zod 校验)
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│ ├── health.ts, auth.ts, quiz.ts, progress.ts
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│ ├── gamification.ts, payment.ts
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│ └── admin/ # 管理端路由(duoqi-admin 调用)
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│ └── index, auth, questions, categories, knowledge-cards,
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│ skill-tree, users, stats, feedback
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└── __tests__/ # 测试(Vitest + DB mock)
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├── setup.ts, smoke.test.ts
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├── helpers/db-mock.ts
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└── services/ # 单元测试(auth, quiz, progress)
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content/ # 种子数据(JSON)
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├── categories.json, skill-tree.json, achievements.json
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├── history.json, drama.json, crosstalk.json
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db/seeds/index.ts # 幂等种子导入脚本
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```
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## 编码约定
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- **路由只做参数提取和响应格式化**,业务逻辑在 `services/`
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- **响应格式统一**:`{ success: boolean, data: T | null, error: { code, message } | null }`
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- **分页响应**:额外包含 `pagination: { total, page, limit }`
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- **不可变数据**:`Object.freeze()` 或返回新对象,不修改入参
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- **错误处理**:抛出 `AppError` 子类(`NotFoundError`, `ValidationError` 等),由 `errorHandler` 统一捕获
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- **环境变量**:所有配置通过 `src/utils/config.ts` 读取(Zod 校验),禁止直接读 `process.env`
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- **导入后缀**:ESM 项目,本地导入必须带 `.js` 后缀(`import { x } from './foo.js'`)
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## API 约定
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- Base URL: `/v1`
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- 认证:`Authorization: Bearer <jwt>`(公开端点:`/v1/auth/*`, `/v1/health`)
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- Admin 认证:`Authorization: Bearer <admin_token>`(`/v1/admin/*`)
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- JWT 有效期:access_token 1h, refresh_token 30d
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## 数据库
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- **15 张表**,定义在 `src/db/schema.ts`
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- 核心(7):`users`, `categories`, `questions`, `knowledge_cards`, `user_progress`, `skill_tree`, `user_chapter_progress`
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- 反馈(2):`question_ratings`, `user_feedback`
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- 游戏化(3):`achievements`, `user_achievements`, `leaderboard_snapshots`
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- 商业(1):`subscriptions`
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- 管理员(2):`admin_users`, `admin_audit_log`
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- Schema 定义在 `src/db/schema.ts`,迁移由 `drizzle-kit` 从 schema 自动生成
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- `datetime` 列使用 `default(sql\`CURRENT_TIMESTAMP\`)`(MySQL datetime 无 `defaultNow()`)
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## 设计文档
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| 文档 | 路径 | 说明 |
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|------|------|------|
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| 实施计划 | [./docs/implementation-plan.md](./docs/implementation-plan.md) | Phase 1b/1c 实施进度(42/44 步) |
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| 本库开发规格 | [./dev-spec.md](./dev-spec.md) | 工程实施主文档 |
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| 产品总纲 | [../docs/product-overview.md](../docs/product-overview.md) | 产品定位、功能范围 |
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| 技术选型 | [../docs/tech-stack.md](../docs/tech-stack.md) | 全栈技术决策 |
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| 共享设计文档 | [../docs/specs/shared/](../docs/specs/shared/) | 题目格式、游戏化、吉祥物、推送、埋点 |
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## 当前进度
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- **Phase 1a 骨架**:✅ 已完成
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- **Phase 1b 核心功能**:✅ 已完成(华为登录、出题引擎、XP/连胜/红心、技能树、Admin CRUD、路由验证)
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- **Phase 1c 商业化**:✅ 已完成(排行榜、成就系统、华为 IAP + 订阅、安全加固)
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- **Phase 1c-5 集成部署**:⬜ 待完成(E2E 测试、Dockerfile/CI)
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