docs: add architecture handbook index
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docs/developer/architecture/README.md
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# 架构文档索引
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本目录收录项目的架构层文档,主要用于帮助开发者建立系统级认知。
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如果 `modules/` 关注“某个业务模块怎么工作”,`guides/` 关注“具体开发时怎么做”,那么 `architecture/` 关注的是:
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- 项目整体长什么样
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- 运行时是怎么分层的
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- 关键数据流怎么走
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- 核心文件分布在哪里
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- 过去为什么做出某些架构决策
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## 推荐阅读顺序
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建议按下面顺序阅读:
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1. `overview.md`
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2. `runtime-architecture.md`
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3. `data-flow.md`
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4. `file-map.md`
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5. `decision-log.md`
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这个顺序基本对应:
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- 先建立地图
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- 再理解运行时分层
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- 再看核心数据如何流动
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- 再定位关键文件
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- 最后理解历史决策
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## 架构层导航图
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```mermaid
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graph TD
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Architecture[architecture/]
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Overview[overview.md]
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Runtime[runtime-architecture.md]
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DataFlow[data-flow.md]
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FileMap[file-map.md]
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Decisions[decision-log.md]
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Architecture --> Overview
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Architecture --> Runtime
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Architecture --> DataFlow
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Architecture --> FileMap
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Architecture --> Decisions
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```
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## 文档职责一览
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| 文档 | 主要回答的问题 |
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| --- | --- |
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| `overview.md` | 这个项目整体是什么、做什么、核心目录和主链路是什么 |
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| `runtime-architecture.md` | `main / preload / renderer` 如何协作 |
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| `data-flow.md` | 核心业务数据如何在各层之间流动 |
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| `file-map.md` | 关键文件在哪里、应该先看哪些入口 |
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| `decision-log.md` | 最近几轮重要重构和架构决策是什么 |
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## 按问题选择阅读路径
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```mermaid
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flowchart TD
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Question[当前问题]
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Whole[我想先理解整个项目]
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RuntimeQ[我想知道进程分层和调用边界]
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FlowQ[我想知道数据怎么流]
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FileQ[我想快速定位该看哪些文件]
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HistoryQ[我想知道为什么现在是这个结构]
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Question --> Whole
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Question --> RuntimeQ
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Question --> FlowQ
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Question --> FileQ
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Question --> HistoryQ
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Whole --> OverviewDoc[overview.md]
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RuntimeQ --> RuntimeDoc[runtime-architecture.md]
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FlowQ --> FlowDoc[data-flow.md]
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FileQ --> FileDoc[file-map.md]
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HistoryQ --> DecisionDoc[decision-log.md]
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```
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## 与其他目录的关系
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```mermaid
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graph LR
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Architecture[architecture/]
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Modules[modules/]
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Guides[guides/]
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Architecture --> Modules
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Modules --> Guides
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```
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理解方式:
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- 先通过 `architecture/` 建立系统级认知
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- 再进入 `modules/` 深入业务模块
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- 最后通过 `guides/` 落到开发动作
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## 使用建议
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- 如果准备改动较大的功能,先看架构层文档再下手
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- 如果遇到“代码都看到了,但不知道该从哪里改”,优先看 `file-map.md`
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- 如果遇到“现在为什么这样设计”,优先看 `decision-log.md`
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后续如果新增新的架构层文档,也建议同步更新这份索引页。
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