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        "方案设计",
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        "副本集"
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        "方案设计",
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        "易错点",
        "面试怎么讲"
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      "title": "订单超时自动取消：延迟消息、幂等和兜底扫描",
      "type": "scenario",
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        "方案设计",
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      "domain": "backend",
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      "stack": [
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        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
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      "stack": [
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        "缓存穿透",
        "缓存击穿",
        "缓存雪崩",
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        "singleflight"
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        "易错点",
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        "过期时间"
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        "易错点",
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      "type": "index",
      "domain": "backend",
      "stack": [
        "redis"
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        "缓存",
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        "分布式锁",
        "限流"
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        "企业场景",
        "面试题",
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        "在 16 周计划中",
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        "backend.redis.lock-ratelimit"
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        "场景题"
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      "title": "分布式锁和限流：SET NX、Lua、令牌释放、固定窗口与滑动窗口",
      "type": "lesson",
      "domain": "backend",
      "stack": [
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        "分布式锁",
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        "限流",
        "滑动窗口",
        "令牌桶"
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      "path": "topics/backend/redis/03-lock-ratelimit.md",
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        "案例",
        "代码示例",
        "易错点",
        "面试常问"
      ]
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    {
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      "title": "抢购库存预扣：Lua 原子扣减、防重复下单、异步落库",
      "type": "scenario",
      "domain": "backend",
      "stack": [
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        "mq",
        "mysql"
      ],
      "tags": [
        "秒杀",
        "库存",
        "Lua",
        "防超卖",
        "削峰"
      ],
      "level": "advanced",
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      "order": null,
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        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
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      "type": "lesson",
      "domain": "cs",
      "stack": [
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      ],
      "tags": [
        "时间复杂度",
        "哈希表",
        "滑动窗口",
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        "堆",
        "Top K",
        "BFS",
        "DFS",
        "拓扑排序",
        "动态规划",
        "LRU"
      ],
      "level": "basic",
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        "代码示例",
        "易错点",
        "面试常问"
      ]
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      "type": "index",
      "domain": "cs",
      "stack": [
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      ],
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        "数据结构",
        "复杂度",
        "手写代码"
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      "path": "topics/cs/algorithms/index.md",
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        "在 16 周计划中"
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    },
    {
      "id": "cs.algorithms.scenario.business-algorithms",
      "title": "业务中的算法：热门问题 Top K、任务依赖排序、相似问题去重和缓存淘汰",
      "type": "scenario",
      "domain": "cs",
      "stack": [
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        "包体积",
        "splitChunks",
        "持久化缓存",
        "体积预算",
        "CI"
      ],
      "level": "intermediate",
      "prerequisites": [
        "frontend.webpack.build-optimization"
      ],
      "related": [
        "frontend.webpack.interview",
        "frontend.vite.scenario.webpack-to-vite"
      ],
      "est_hours": 2,
      "week": [
        7
      ],
      "order": null,
      "path": "topics/frontend/webpack/scenarios/build-speed.md",
      "sections": [
        "业务背景与问题",
        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
      ]
    },
    {
      "id": "plan.index",
      "title": "转岗计划总纲",
      "type": "index",
      "domain": "plan",
      "stack": [],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": null,
      "week": [],
      "order": null,
      "path": "plan/README.md",
      "sections": [
        "1. 背景、起点和目标",
        "2. 技术栈（已确定）",
        "3. 十六周总路线",
        "4. 岗位要求对照",
        "5. 学习原则和每周文件的写法",
        "6. 时间不够怎么砍",
        "7. 阶段 0~4 和五个学习重点",
        "8. 案例卡模板（直接复制）",
        "9. 每周节奏和戒律",
        "10. 脱敏和保密",
        "11. 简历和投递建议",
        "12. 仓库结构、文件清单和换设备",
        "13. 进度记录",
        "14. 终点验收清单（全部勾选才算完结）"
      ]
    },
    {
      "id": "plan.week01",
      "title": "第 1 周：Go 基础 + Gin 写 REST 接口",
      "type": "week",
      "domain": "plan",
      "stack": [
        "go",
        "gin",
        "git"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        1
      ],
      "order": 1,
      "path": "plan/week01-go-gin.md",
      "sections": [
        "本周最终目录",
        "第 1 天：环境、变量、函数和错误返回",
        "第 2 天：切片、map、结构体、方法、接口",
        "第 3 天：错误包装、并发、单元测试",
        "第 4 天：从 net/http 到 Gin",
        "第 5 天：分层：model / store / handler",
        "第 6 天：中间件和接口测试",
        "第 7 天：配置、优雅关机、接前端",
        "本周相关专题",
        "本周自查清单"
      ]
    },
    {
      "id": "plan.week02",
      "title": "第 2 周：数据库（PostgreSQL 为主，兼顾 MySQL）+ 注册登录与 JWT",
      "type": "week",
      "domain": "plan",
      "stack": [
        "go",
        "gin",
        "postgresql",
        "mysql"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        2
      ],
      "order": 2,
      "path": "plan/week02-db-auth.md",
      "sections": [
        "本周最终目录（在上周 `todo-api/backend` 基础上新增）",
        "第 1 天：用 Docker 跑 PostgreSQL，写基础 SQL 和表设计",
        "第 2 天：多表查询、索引、EXPLAIN",
        "第 3 天：迁移和 Go 访问数据库（pgx）",
        "第 4 天：事务、隔离级别、幂等写入",
        "第 5 天：密码哈希和 JWT",
        "第 6 天：注册、登录、鉴权中间件",
        "第 7 天：配置切换、接口测试、集成测试、收尾",
        "本周相关专题",
        "本周自查清单"
      ]
    },
    {
      "id": "plan.week03",
      "title": "第 3 周：项目一“团队任务看板”：权限 + Redis + 消息队列 + Docker 部署",
      "type": "week",
      "domain": "plan",
      "stack": [
        "go",
        "gin",
        "postgresql",
        "redis",
        "mq",
        "docker",
        "nginx",
        "cicd"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        3
      ],
      "order": 3,
      "path": "plan/week03-project1.md",
      "sections": [
        "本周最终目录",
        "第 1 天：看板建模和权限",
        "第 2 天：看板和任务接口、拖动排序的事务",
        "第 3 天：Redis 基础和缓存",
        "第 4 天：限流和分布式锁",
        "第 5 天：消息队列入门（Redis Streams），了解 RabbitMQ / Kafka",
        "第 6 天：Docker、Compose、Nginx",
        "第 7 天：部署到服务器 + CI + 收尾",
        "本周相关专题",
        "本周自查清单"
      ]
    },
    {
      "id": "plan.week04",
      "title": "第 4 周：Python 速成（给 JS 开发者）+ FastAPI 基础",
      "type": "week",
      "domain": "plan",
      "stack": [
        "python",
        "asyncio",
        "fastapi"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        4
      ],
      "order": 4,
      "path": "plan/week04-python.md",
      "sections": [
        "本周最终目录",
        "第 1 天：包管理和基础语法",
        "第 2 天：类型标注、dataclass、Protocol、pytest",
        "第 3 天：异常、上下文管理器、文件和日志",
        "第 4 天：asyncio（本周最重要）",
        "第 5 天：pydantic 和配置",
        "第 6 天：httpx 异步请求、重试、测试替身",
        "第 7 天：FastAPI（Uvicorn、依赖注入、中间件、鉴权、生命周期、SSE）",
        "本周相关专题",
        "本周自查清单"
      ]
    },
    {
      "id": "plan.week05",
      "title": "第 5 周：RAG 知识库问答（上）——手写主流程",
      "type": "week",
      "domain": "plan",
      "stack": [
        "asyncio",
        "fastapi",
        "rag",
        "vector-db",
        "prompt-engineering"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        5
      ],
      "order": 5,
      "path": "plan/week05-rag-1.md",
      "sections": [
        "项目二总览",
        "第 1 天：RAG 概念、项目初始化、模型客户端",
        "第 2 天：加载和切分",
        "第 3 天：向量库和幂等入库",
        "第 4 天：检索、提示词、带引用的生成",
        "第 5 天：FastAPI 接口和流式输出",
        "第 6 天：命令行、接入真实模型、人工试验",
        "第 7 天：整理、README、复盘",
        "本周相关专题",
        "本周自查清单"
      ]
    },
    {
      "id": "plan.week06",
      "title": "第 6 周：RAG 知识库问答（下）——评测、混合检索、重排、记忆、缓存、LangChain、部署",
      "type": "week",
      "domain": "plan",
      "stack": [
        "postgresql",
        "redis",
        "docker",
        "rag",
        "vector-db",
        "langchain"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        6
      ],
      "order": 6,
      "path": "plan/week06-rag-2.md",
      "sections": [
        "第 1 天：评测集和指标",
        "第 2 天：BM25 关键词检索 + RRF 混合检索",
        "第 3 天：重排（Rerank）",
        "第 4 天：多轮追问——问题改写 + 会话短期记忆（Redis）",
        "第 5 天：缓存、配置组装、多轮对话接口",
        "第 6 天：LangChain 对照实现 + Milvus / pgvector",
        "第 7 天：Docker Compose 部署 + 复盘",
        "本周相关专题",
        "本周自查清单"
      ]
    },
    {
      "id": "plan.week07",
      "title": "第 7 周：前端工程化查漏补缺 + 两个项目的界面",
      "type": "week",
      "domain": "plan",
      "stack": [
        "nginx",
        "cicd",
        "vue",
        "react",
        "typescript",
        "vite",
        "webpack",
        "ssr",
        "fe-testing-perf"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        7
      ],
      "order": 7,
      "path": "plan/week07-frontend.md",
      "sections": [
        "本周最终目录",
        "第 1 天：pnpm monorepo、TS 严格配置、ESLint + Prettier、共享请求封装",
        "第 2 天：SSE 流式解析（fetch + ReadableStream）",
        "第 3 天：Vue 3 应用——项目一的任务看板",
        "第 4 天：React 应用——项目二的知识库问答界面",
        "第 5 天：构建工具和性能优化",
        "第 6 天：SSR 基础（Nuxt / Next.js）",
        "第 7 天：前端 CI、构建产物部署、复盘",
        "本周相关专题",
        "本周自查清单（对照招聘“熟悉 Vue / React”的延伸要求）"
      ]
    },
    {
      "id": "plan.week08",
      "title": "第 8 周：阶段 0 盘点 + 阶段 1 读通与画图",
      "type": "week",
      "domain": "plan",
      "stack": [
        "git"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        8
      ],
      "order": 8,
      "path": "plan/week08-inventory-architecture.md",
      "sections": [
        "第 1 天：阶段 0——盘点",
        "第 2 天：脱敏机制——提交前自动检查",
        "第 3 天：阶段 1——怎么读一个大项目",
        "第 4 天：画架构图，标出断点",
        "第 5 天：接口职责表",
        "第 6 天：把流程画成状态机，并用代码验证思路",
        "第 7 天：阶段 1 验收 + 口述初稿",
        "本周相关专题",
        "本周自查清单"
      ]
    },
    {
      "id": "plan.week09",
      "title": "第 9 周：阶段 2——五个重点 A~E 深挖 + 案例卡",
      "type": "week",
      "domain": "plan",
      "stack": [],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        9
      ],
      "order": 9,
      "path": "plan/week09-case-cards.md",
      "sections": [
        "第 1 天：A 多 Agent 编排",
        "第 2 天：C 流式与长任务",
        "第 3 天：B 状态与权威源",
        "第 4 天：D 人机协作",
        "第 5 天：E 与业务系统集成",
        "第 6 天：补写和打磨案例卡",
        "第 7 天：汇总设计输入",
        "本周相关专题",
        "本周自查清单"
      ]
    },
    {
      "id": "plan.week10",
      "title": "第 10 周：项目三 M1——手写工具调用循环 + 手写多 Agent 循环 + MCP 服务",
      "type": "week",
      "domain": "plan",
      "stack": [
        "mcp",
        "function-calling"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        10
      ],
      "order": 10,
      "path": "plan/week10-agent-m1-tools-mcp.md",
      "sections": [
        "项目三总览",
        "第 1 天：初始化 + 支持工具调用的最小模型客户端",
        "第 2 天：手写工具调用循环",
        "第 3 天：手写多 Agent 循环",
        "第 4 天：MCP 概念 + 写一个 MCP 服务",
        "第 5 天：在 Cursor 和自己的 Agent 里用 MCP",
        "第 6 天：真实模型试跑 + 对照文档（上半）",
        "第 7 天：M1 验收",
        "本周相关专题"
      ]
    },
    {
      "id": "plan.week11",
      "title": "第 11 周：项目三 M2——用 LangGraph 实现多 Agent 编排",
      "type": "week",
      "domain": "plan",
      "stack": [
        "langchain",
        "langgraph",
        "mcp",
        "prompt-engineering"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        11
      ],
      "order": 11,
      "path": "plan/week11-agent-m2-langgraph.md",
      "sections": [
        "第 1 天：LangGraph 基础",
        "第 2 天：State、结构化决定、路由规则",
        "第 3 天：模型、工具、提示词、节点",
        "第 4 天：组装图 + 测试",
        "第 5 天：MCP 工具接入 LangGraph + 命令行",
        "第 6 天：真实模型试跑和调提示词",
        "第 7 天：对照文档 + M2 验收",
        "本周相关专题"
      ]
    },
    {
      "id": "plan.week12",
      "title": "第 12 周：项目三 M3——检查点续跑、人机协作、后台作业、SSE、长期记忆",
      "type": "week",
      "domain": "plan",
      "stack": [
        "asyncio",
        "fastapi",
        "langgraph",
        "agent-ops"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        12
      ],
      "order": 12,
      "path": "plan/week12-agent-m3-persistence.md",
      "sections": [
        "核心设计：两层状态",
        "第 1 天：检查点和续跑",
        "第 2 天：长期记忆（Store）",
        "第 3 天：业务表和租约",
        "第 4 天：后台运行器（RunManager）和报告",
        "第 5 天：FastAPI 接口和 SSE",
        "第 6 天：页面 + 崩溃恢复演示",
        "第 7 天：走查 + M3 验收",
        "本周相关专题"
      ]
    },
    {
      "id": "plan.week13",
      "title": "第 13 周：项目三 M4——评测集、可观测性、文档、Docker + Dify / Coze 体验",
      "type": "week",
      "domain": "plan",
      "stack": [
        "docker",
        "prompt-engineering",
        "agent-ops",
        "lowcode"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        13
      ],
      "order": 13,
      "path": "plan/week13-agent-m4-eval-lowcode.md",
      "sections": [
        "第 1 天：评测集和规则检查",
        "第 2 天：评测脚本、回归测试、用评测驱动改进",
        "第 3 天：可观测性（回调、LangSmith / Langfuse）",
        "第 4 天：文档（架构、设计取舍、映射表）",
        "第 5 天：README、Docker、从零验证、讲解稿",
        "第 6~7 天：Dify / Coze 体验（低代码平台）",
        "本周相关专题"
      ]
    },
    {
      "id": "plan.week14",
      "title": "第 14 周：后端补强——消息队列、gRPC、Redis / MySQL 专题、全部项目部署、CI/CD",
      "type": "week",
      "domain": "plan",
      "stack": [
        "go",
        "mysql",
        "redis",
        "mq",
        "grpc-microservices",
        "docker",
        "nginx",
        "linux",
        "cicd",
        "elasticsearch",
        "mongodb",
        "k8s",
        "data-pipeline",
        "nodejs",
        "java-spring",
        "network-os",
        "web-security"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        14
      ],
      "order": 14,
      "path": "plan/week14-backend-extend-deploy.md",
      "sections": [
        "本周最终目录",
        "第 1 天：消息队列——RabbitMQ 动手 + Kafka 概念",
        "第 2 天：微服务概念 + gRPC",
        "第 3 天：Redis 面试专题——锁、缓存三大问题、限流",
        "第 4 天：MySQL 面试专题——索引、EXPLAIN、事务和隔离级别",
        "第 5 天：把三个项目部署到一台服务器",
        "第 6 天：CI/CD——测试、构建镜像、自动部署",
        "第 7 天（可选）：用 Go 写一个鉴权网关",
        "本周相关专题",
        "第 7 天（调整）：了解级扩展——ES、MongoDB、K8s、数据管道、Node.js、Java、计算机基础",
        "本周验收"
      ]
    },
    {
      "id": "plan.week15",
      "title": "第 15 周：阶段 4（上）——作品集、简历、STAR 经历、口述稿",
      "type": "week",
      "domain": "plan",
      "stack": [
        "git"
      ],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        15
      ],
      "order": 15,
      "path": "plan/week15-package-resume.md",
      "sections": [
        "本周最终目录",
        "第 1 天：整理作品集（3 个公开仓库）",
        "第 2 天：简历结构、学历和技能栏",
        "第 3 天：项目经历怎么写",
        "第 4 天：工作经历——3 条 STAR",
        "第 5 天：针对岗位调整简历（关键词对照）",
        "第 6 天：口述稿和演示视频",
        "第 7 天：自查、请人审阅、阶段 4（上）验收",
        "本周相关专题"
      ]
    },
    {
      "id": "plan.week16",
      "title": "第 16 周：阶段 4（下）——面试准备、终点验收、投递",
      "type": "week",
      "domain": "plan",
      "stack": [],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": 12,
      "week": [
        16
      ],
      "order": 16,
      "path": "plan/week16-interview.md",
      "sections": [
        "本周最终目录",
        "第 1 天：面试笔记（上）——Python 和 FastAPI",
        "第 2 天：面试笔记（中）——RAG 和 Agent",
        "第 3 天：面试笔记（下）——后端、前端、Go",
        "第 4 天：项目深挖和系统设计",
        "第 5 天：模拟面试和抽题练习",
        "第 6 天：终点验收",
        "第 7 天：开始投递，建立复盘循环",
        "本周相关专题"
      ]
    },
    {
      "id": "python.asyncio.concurrency-control",
      "title": "并发控制：gather / TaskGroup、Semaphore、超时、取消、阻塞调用",
      "type": "lesson",
      "domain": "python",
      "stack": [
        "asyncio"
      ],
      "tags": [
        "TaskGroup",
        "Semaphore",
        "timeout",
        "取消",
        "to_thread",
        "背压"
      ],
      "level": "intermediate",
      "prerequisites": [
        "python.asyncio.coroutines-tasks"
      ],
      "related": [
        "python.asyncio.scenario.concurrent-llm-calls",
        "python.asyncio.interview",
        "backend.go.errors-concurrency"
      ],
      "est_hours": 3,
      "week": [
        4,
        5,
        12
      ],
      "order": 2,
      "path": "topics/python/asyncio/02-concurrency-control.md",
      "sections": [
        "解释说明",
        "案例",
        "代码示例",
        "易错点",
        "面试常问"
      ]
    },
    {
      "id": "python.asyncio.coroutines-tasks",
      "title": "协程、任务和事件循环：和 JS Promise 对照",
      "type": "lesson",
      "domain": "python",
      "stack": [
        "asyncio"
      ],
      "tags": [
        "协程",
        "事件循环",
        "Task",
        "await",
        "async for"
      ],
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        "易错点",
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        "案例",
        "代码示例",
        "易错点",
        "面试常问"
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        "场景题": 3
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      "id": "python.fastapi.routing-validation",
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      "type": "lesson",
      "domain": "python",
      "stack": [
        "fastapi"
      ],
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        "路由",
        "pydantic",
        "参数校验",
        "响应模型",
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        "易错点",
        "面试常问"
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      "stack": [
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      "week": [
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        12
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      "order": null,
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        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
      ]
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      "title": "流式输出（SSE）、生命周期、测试和部署",
      "type": "lesson",
      "domain": "python",
      "stack": [
        "fastapi"
      ],
      "tags": [
        "SSE",
        "StreamingResponse",
        "lifespan",
        "TestClient",
        "pytest",
        "uvicorn"
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      "level": "intermediate",
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      "est_hours": 3,
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        12
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      "order": 3,
      "path": "topics/python/fastapi/03-streaming-testing.md",
      "sections": [
        "解释说明",
        "案例",
        "代码示例",
        "易错点",
        "面试常问"
      ]
    },
    {
      "id": "python.python.index",
      "title": "Python 语言",
      "type": "index",
      "domain": "python",
      "stack": [
        "python"
      ],
      "tags": [
        "Python",
        "语法",
        "类型标注",
        "pytest"
      ],
      "level": null,
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      "est_hours": null,
      "week": [
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      ],
      "order": null,
      "path": "topics/python/python/index.md",
      "sections": [
        "学习路线",
        "企业场景",
        "面试题",
        "示例代码",
        "在 16 周计划中",
        "官方资料"
      ]
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    {
      "id": "python.python.interview",
      "title": "Python 面试题",
      "type": "interview",
      "domain": "python",
      "stack": [
        "python"
      ],
      "tags": [
        "Python",
        "基础",
        "面试"
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      "level": "basic",
      "prerequisites": [],
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        "python.python.project-packaging"
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      "est_hours": null,
      "week": [
        4,
        16
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      "order": null,
      "path": "topics/python/python/interview.md",
      "sections": [
        "基础",
        "进阶",
        "场景题"
      ],
      "questions": {
        "基础": 5,
        "进阶": 4,
        "场景题": 3
      }
    },
    {
      "id": "python.python.project-packaging",
      "title": "工程化：虚拟环境、uv / pip、项目结构、导入、日志和配置",
      "type": "lesson",
      "domain": "python",
      "stack": [
        "python"
      ],
      "tags": [
        "虚拟环境",
        "uv",
        "pip",
        "pyproject.toml",
        "导入",
        "logging",
        "配置"
      ],
      "level": "basic",
      "prerequisites": [
        "python.python.syntax-for-js"
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        "python.python.interview"
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      "week": [
        4
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      "order": 3,
      "path": "topics/python/python/03-project-packaging.md",
      "sections": [
        "解释说明",
        "案例",
        "代码示例",
        "易错点",
        "面试常问"
      ]
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    {
      "id": "python.python.scenario.order-reconciliation",
      "title": "订单对账脚本：从“能跑的脚本”到可测试、可维护的工具",
      "type": "scenario",
      "domain": "python",
      "stack": [
        "python"
      ],
      "tags": [
        "对账",
        "CSV",
        "Decimal",
        "数据处理",
        "测试"
      ],
      "level": "basic",
      "prerequisites": [
        "python.python.typing-errors-testing"
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        "python.python.interview",
        "backend.mq.reliability"
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      "est_hours": 2,
      "week": [
        4
      ],
      "order": null,
      "path": "topics/python/python/scenarios/order-reconciliation.md",
      "sections": [
        "业务背景与问题",
        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
      ]
    },
    {
      "id": "python.python.syntax-for-js",
      "title": "给 JS 开发者的 Python：语法、数据结构、推导式、函数、类",
      "type": "lesson",
      "domain": "python",
      "stack": [
        "python"
      ],
      "tags": [
        "语法",
        "list",
        "dict",
        "推导式",
        "解包",
        "类"
      ],
      "level": "basic",
      "prerequisites": [],
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        "python.python.typing-errors-testing",
        "python.python.interview"
      ],
      "est_hours": 3,
      "week": [
        4
      ],
      "order": 1,
      "path": "topics/python/python/01-syntax-for-js.md",
      "sections": [
        "解释说明",
        "案例",
        "代码示例",
        "易错点",
        "面试常问"
      ]
    },
    {
      "id": "python.python.typing-errors-testing",
      "title": "类型标注、dataclass、异常和上下文管理器、pytest",
      "type": "lesson",
      "domain": "python",
      "stack": [
        "python"
      ],
      "tags": [
        "类型标注",
        "dataclass",
        "Protocol",
        "异常",
        "with",
        "生成器",
        "pytest"
      ],
      "level": "basic",
      "prerequisites": [
        "python.python.syntax-for-js"
      ],
      "related": [
        "python.python.scenario.order-reconciliation",
        "python.asyncio.coroutines-tasks",
        "python.python.interview"
      ],
      "est_hours": 3,
      "week": [
        4
      ],
      "order": 2,
      "path": "topics/python/python/02-typing-errors-testing.md",
      "sections": [
        "解释说明",
        "案例",
        "代码示例",
        "易错点",
        "面试常问"
      ]
    },
    {
      "id": "research.boss-2026-10-23",
      "title": "BOSS直聘北京岗位调研（2026-10-23）",
      "type": "research",
      "domain": "plan",
      "stack": [],
      "tags": [
        "岗位调研",
        "BOSS直聘",
        "北京",
        "AI 应用",
        "Agent",
        "全栈"
      ],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": null,
      "week": [],
      "order": null,
      "path": "research/boss-2026-10-23.md",
      "sections": [
        "原始记录：BOSS直聘 北京岗位调研（2026-10-23，登录后只读）",
        "技术出现次数（约数）",
        "反复出现、计划里要补强的要求",
        "代表岗位（职位 | 公司 | 经验 | URL 前缀 https://www.zhipin.com）"
      ]
    },
    {
      "id": "research.index",
      "title": "岗位调研记录",
      "type": "index",
      "domain": "plan",
      "stack": [],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": null,
      "week": [],
      "order": null,
      "path": "research/index.md",
      "sections": []
    },
    {
      "id": "scenario.approval-human-in-loop",
      "title": "审批流 + 人工介入的 Agent：高风险操作暂停审批、断点续跑、超时和幂等执行",
      "type": "scenario",
      "domain": "cross",
      "stack": [
        "langgraph",
        "function-calling",
        "postgresql",
        "redis",
        "fastapi",
        "vue"
      ],
      "tags": [
        "人机协作",
        "interrupt",
        "检查点",
        "审批",
        "幂等",
        "超时",
        "审计"
      ],
      "level": "advanced",
      "prerequisites": [
        "ai.langgraph.index",
        "ai.function-calling.index"
      ],
      "related": [
        "ai.langgraph.scenario.refund-approval",
        "ai.function-calling.scenario.safe-business-tools",
        "ai.agent-design.index"
      ],
      "est_hours": 3,
      "week": [
        11,
        12
      ],
      "order": null,
      "path": "scenarios/approval-human-in-loop.md",
      "sections": [
        "业务背景与问题",
        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
      ]
    },
    {
      "id": "scenario.content-moderation",
      "title": "内容审核：规则 + 模型的分层审核、异步流水线、人工复审、申诉和效果度量",
      "type": "scenario",
      "domain": "cross",
      "stack": [
        "mq",
        "redis",
        "postgresql",
        "prompt-engineering",
        "agent-ops",
        "fastapi",
        "react"
      ],
      "tags": [
        "内容审核",
        "分层过滤",
        "敏感词",
        "大模型审核",
        "人工复审",
        "异步",
        "召回率",
        "误杀率"
      ],
      "level": "intermediate",
      "prerequisites": [
        "backend.mq.index",
        "ai.prompt-engineering.index"
      ],
      "related": [
        "ai.prompt-engineering.scenario.injection-defense",
        "ai.agent-ops.scenario.agent-quality-gate",
        "backend.mq.reliability"
      ],
      "est_hours": 2.5,
      "week": [
        13,
        14
      ],
      "order": null,
      "path": "scenarios/content-moderation.md",
      "sections": [
        "业务背景与问题",
        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
      ]
    },
    {
      "id": "scenario.customer-service-kb",
      "title": "客服知识库问答：从文档接入到带引用的流式回答、权限、评测和转人工",
      "type": "scenario",
      "domain": "cross",
      "stack": [
        "rag",
        "vector-db",
        "elasticsearch",
        "fastapi",
        "vue",
        "redis",
        "data-pipeline",
        "agent-ops"
      ],
      "tags": [
        "RAG",
        "混合检索",
        "权限",
        "流式输出",
        "评测",
        "转人工",
        "引用"
      ],
      "level": "intermediate",
      "prerequisites": [
        "ai.rag.index",
        "python.fastapi.index"
      ],
      "related": [
        "ai.rag.scenario.permission-aware-kb",
        "backend.elasticsearch.scenario.kb-search-sync",
        "frontend.vue.scenario.ai-chat-stream",
        "ai.agent-ops.scenario.agent-quality-gate"
      ],
      "est_hours": 3,
      "week": [
        5,
        6,
        13,
        15
      ],
      "order": null,
      "path": "scenarios/customer-service-kb.md",
      "sections": [
        "业务背景与问题",
        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
      ]
    },
    {
      "id": "scenario.data-sync",
      "title": "数据同步：业务库到搜索引擎 / 向量库 / 报表库，outbox 与 CDC、幂等、顺序、对账和重建",
      "type": "scenario",
      "domain": "cross",
      "stack": [
        "data-pipeline",
        "postgresql",
        "mongodb",
        "elasticsearch",
        "vector-db",
        "mq"
      ],
      "tags": [
        "数据同步",
        "outbox",
        "CDC",
        "变更流",
        "幂等",
        "顺序",
        "对账",
        "全量重建"
      ],
      "level": "advanced",
      "prerequisites": [
        "backend.data-pipeline.index",
        "backend.mq.index"
      ],
      "related": [
        "backend.elasticsearch.scenario.kb-search-sync",
        "backend.data-pipeline.scenario.third-party-sync",
        "backend.mongodb.scenario.conversation-store",
        "backend.mq.reliability"
      ],
      "est_hours": 3,
      "week": [
        6,
        14
      ],
      "order": null,
      "path": "scenarios/data-sync.md",
      "sections": [
        "业务背景与问题",
        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
      ]
    },
    {
      "id": "scenario.flash-sale",
      "title": "秒杀 / 高并发抢购：流量削峰、Redis 原子扣库存、异步下单、防超卖和防刷",
      "type": "scenario",
      "domain": "cross",
      "stack": [
        "redis",
        "mq",
        "postgresql",
        "gin",
        "nginx",
        "vue"
      ],
      "tags": [
        "秒杀",
        "高并发",
        "库存",
        "Lua",
        "削峰",
        "异步下单",
        "幂等",
        "限流",
        "防刷"
      ],
      "level": "advanced",
      "prerequisites": [
        "backend.redis.index",
        "backend.mq.index"
      ],
      "related": [
        "backend.redis.scenario.stock-reservation",
        "backend.mq.scenario.delayed-order-cancel",
        "backend.redis.lock-ratelimit"
      ],
      "est_hours": 3,
      "week": [
        3,
        14,
        16
      ],
      "order": null,
      "path": "scenarios/flash-sale.md",
      "sections": [
        "业务背景与问题",
        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
      ]
    },
    {
      "id": "scenario.multi-tenant-saas",
      "title": "多租户 SaaS：数据隔离方案、租户上下文、配额与限流、AI 成本分摊和租户级配置",
      "type": "scenario",
      "domain": "cross",
      "stack": [
        "postgresql",
        "vector-db",
        "redis",
        "fastapi",
        "gin",
        "llm-serving",
        "k8s"
      ],
      "tags": [
        "多租户",
        "数据隔离",
        "行级安全",
        "租户上下文",
        "配额",
        "限流",
        "成本分摊",
        "噪声邻居"
      ],
      "level": "advanced",
      "prerequisites": [
        "backend.postgresql.index",
        "ai.vector-db.index"
      ],
      "related": [
        "ai.vector-db.scenario.multi-tenant-index",
        "ai.rag.scenario.permission-aware-kb",
        "ai.llm-serving.scenario.multi-provider-gateway"
      ],
      "est_hours": 3,
      "week": [
        6,
        13,
        14
      ],
      "order": null,
      "path": "scenarios/multi-tenant-saas.md",
      "sections": [
        "业务背景与问题",
        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
      ]
    },
    {
      "id": "scenario.report-agent",
      "title": "报表生成 Agent：自然语言查数、安全的 Text-to-SQL、结果校验、图表和成本控制",
      "type": "scenario",
      "domain": "cross",
      "stack": [
        "agent-design",
        "function-calling",
        "postgresql",
        "data-pipeline",
        "web-security",
        "react",
        "agent-ops"
      ],
      "tags": [
        "Text-to-SQL",
        "报表",
        "只读账号",
        "SQL 校验",
        "语义层",
        "行级安全",
        "评测"
      ],
      "level": "advanced",
      "prerequisites": [
        "ai.agent-design.index",
        "backend.postgresql.index"
      ],
      "related": [
        "ai.agent-design.scenario.report-agent",
        "cs.web-security.scenario.ai-app-security",
        "backend.data-pipeline.scenario.third-party-sync"
      ],
      "est_hours": 3,
      "week": [
        10,
        13,
        14
      ],
      "order": null,
      "path": "scenarios/report-agent.md",
      "sections": [
        "业务背景与问题",
        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
      ]
    },
    {
      "id": "scenario.ticket-system",
      "title": "工单系统：AI 自动分类与路由、状态机、SLA 超时升级和坐席协作",
      "type": "scenario",
      "domain": "cross",
      "stack": [
        "postgresql",
        "mq",
        "redis",
        "langchain",
        "gin",
        "fastapi",
        "react"
      ],
      "tags": [
        "工单",
        "状态机",
        "自动分类",
        "路由",
        "SLA",
        "延迟队列",
        "审计",
        "乐观锁"
      ],
      "level": "intermediate",
      "prerequisites": [
        "backend.postgresql.index",
        "ai.langchain.index"
      ],
      "related": [
        "ai.langchain.scenario.ticket-triage",
        "backend.postgresql.scenario.order-state-audit",
        "backend.mq.scenario.delayed-order-cancel",
        "frontend.react.scenario.long-task-ui"
      ],
      "est_hours": 3,
      "week": [
        3,
        11,
        14
      ],
      "order": null,
      "path": "scenarios/ticket-system.md",
      "sections": [
        "业务背景与问题",
        "约束",
        "方案设计",
        "关键代码",
        "取舍",
        "易错点",
        "面试怎么讲"
      ]
    },
    {
      "id": "scenarios.index",
      "title": "跨技术栈企业服务场景",
      "type": "index",
      "domain": "cross",
      "stack": [],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": null,
      "week": [],
      "order": null,
      "path": "scenarios/index.md",
      "sections": []
    },
    {
      "id": "topics.index",
      "title": "专项学习总目录",
      "type": "index",
      "domain": "plan",
      "stack": [],
      "tags": [],
      "level": null,
      "prerequisites": [],
      "related": [],
      "est_hours": null,
      "week": [],
      "order": null,
      "path": "topics/index.md",
      "sections": [
        "后端（`backend`）",
        "运维与工程（`devops`）",
        "Python（`python`）",
        "AI 应用（`ai`）",
        "前端（`frontend`）",
        "计算机基础（`cs`）"
      ]
    }
  ]
}