docs: link What Is Agent Graph as the documentation entry

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 
 Thank you for helping improve Agent Graph. Contributions can include bug reports, protocol proposals, documentation, examples, tests, and implementation changes.
 
-New to the project? Read [Why Graph Engineering](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html) and [Authoring Graphs](https://context4ai.org/context/pages/b218404303adf13ace7561657d45483b.html) on the documentation site, then run the [`getting-started`](./examples/getting-started) example.
+New to the project? Read [What Is Agent Graph](https://context4ai.org/context/pages/9fb722d61652eb09bd4609cb38748ba5.html), [Graph Engineering Principles](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html) and [Authoring Graphs](https://context4ai.org/context/pages/b218404303adf13ace7561657d45483b.html) on the documentation site, then run the [`getting-started`](./examples/getting-started) example.
 
 ## Before opening a pull request
 

DEVELOPMENT.md

@@ -1,6 +1,6 @@
 # Development
 
-This document is for contributors to the `agent-graph` toolchain. Product usage belongs in the [English](./docs/en/README.md) and [Chinese](./docs/zh-CN/README.md) user guides and on the [documentation site](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html). Repository-wide Agent rules live in [AGENTS.md](./AGENTS.md).
+This document is for contributors to the `agent-graph` toolchain. Product usage belongs in the [English](./docs/en/README.md) and [Chinese](./docs/zh-CN/README.md) user guides and on the [documentation site](https://context4ai.org/context/pages/9fb722d61652eb09bd4609cb38748ba5.html). Repository-wide Agent rules live in [AGENTS.md](./AGENTS.md).
 
 ## Requirements
 

README.md

@@ -15,7 +15,7 @@ Agents usually have enough knowledge. The harder problem is knowing which part a
 
 > **When to use it:** Not every Skill needs a Graph; keep a short, single-session task in `SKILL.md`. Adopt Agent Graph when a host can supply trustworthy external facts and the work truly needs verifiable completion, cross-session recovery, or testable routing and human gates.
 
-[Documentation](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html) · [简体中文](./README.zh-CN.md) · [User manual](./docs/en/README.md) · [Graph Engineering](./docs/en/graph-engineering.md) · [Contributing](./CONTRIBUTING.md) · [Development](./DEVELOPMENT.md)
+[Documentation](https://context4ai.org/context/pages/9fb722d61652eb09bd4609cb38748ba5.html) · [简体中文](./README.zh-CN.md) · [User manual](./docs/en/README.md) · [Graph Engineering](./docs/en/graph-engineering.md) · [Contributing](./CONTRIBUTING.md) · [Development](./DEVELOPMENT.md)
 
 ## A simple example
 
@@ -150,12 +150,12 @@ Hosts can also attach resource read receipts to avoid repeated reading, and can
 
 ## Documentation
 
-The [Agent Graph documentation](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html) on the Context site explains the model and walks through real use:
+The [Agent Graph documentation](https://context4ai.org/context/pages/9fb722d61652eb09bd4609cb38748ba5.html) on the Context site starts with what Agent Graph is for, then explains the model and walks through real use:
 
 | Section | Pages |
 |---|---|
-| How It Works | [Why Graph Engineering](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html) · [Core Model](https://context4ai.org/context/pages/ad65c836debb540be355e741aabf3dcf.html) · [Runs and Recovery](https://context4ai.org/context/pages/708a22de19d0b807fd512451f1269434.html) · [Skills and Providers](https://context4ai.org/context/pages/b3558e7c73749da60cf1b9634061fdd8.html) · [Agent Graph in Context](https://context4ai.org/context/pages/e0028d6618a071cc8e8f14135d034285.html) |
-| Guides | [Getting Started](https://context4ai.org/context/pages/05958f2aaec0c5605023f05e067c37bf.html) · [Authoring Graphs](https://context4ai.org/context/pages/b218404303adf13ace7561657d45483b.html) · [Testing and Publishing](https://context4ai.org/context/pages/2a26bc3e8f39cad36b9354cb975ec644.html) |
+| How It Works | [Graph Engineering Principles](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html) · [Core Model](https://context4ai.org/context/pages/ad65c836debb540be355e741aabf3dcf.html) · [Runs and Recovery](https://context4ai.org/context/pages/708a22de19d0b807fd512451f1269434.html) · [Skills and Providers](https://context4ai.org/context/pages/b3558e7c73749da60cf1b9634061fdd8.html) · [Agent Graph in Context](https://context4ai.org/context/pages/e0028d6618a071cc8e8f14135d034285.html) |
+| Guides | [What Is Agent Graph](https://context4ai.org/context/pages/9fb722d61652eb09bd4609cb38748ba5.html) · [Quick Start](https://context4ai.org/context/pages/05958f2aaec0c5605023f05e067c37bf.html) · [Authoring Graphs](https://context4ai.org/context/pages/b218404303adf13ace7561657d45483b.html) · [Testing and Publishing](https://context4ai.org/context/pages/2a26bc3e8f39cad36b9354cb975ec644.html) |
 | Reference | [Specification](https://context4ai.org/context/pages/098719903f2a7dcec5c1a6edb7b8ead3.html) · [CLI and SDK](https://context4ai.org/context/pages/7e7db2502a06c2f284c1701cc591c32b.html) · [Migration](https://context4ai.org/context/pages/516592ea7ac3e03cb284d8283bf349fc.html) |
 
 The versioned user manual ships with this repository and is the normative reference for each release:

README.zh-CN.md

@@ -15,7 +15,7 @@ Agent 很多时候并不缺知识。更难的是判断：现在该读哪一部
 
 > **什么时候该用：** 不是每个 Skill 都需要 Graph；单轮、短流程，靠一份 `SKILL.md` 就能完成时，保持简单。只有当宿主能提供可信的外部事实，并且任务确实需要可验证完成、跨会话恢复，或可测试的路由与人工门禁时，再引入 Agent Graph。
 
-[文档](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html) · [English](./README.md) · [用户手册](./docs/zh-CN/README.md) · [Graph Engineering](./docs/zh-CN/graph-engineering.md) · [贡献指南](./CONTRIBUTING.md) · [开发指南](./DEVELOPMENT.md)
+[文档](https://context4ai.org/context/pages/9fb722d61652eb09bd4609cb38748ba5.html) · [English](./README.md) · [用户手册](./docs/zh-CN/README.md) · [Graph Engineering](./docs/zh-CN/graph-engineering.md) · [贡献指南](./CONTRIBUTING.md) · [开发指南](./DEVELOPMENT.md)
 
 ## 先看一个最简单的例子
 
@@ -150,12 +150,12 @@ Skill 正文只保留这段启动与消费规则。各阶段的操作说明、Sc
 
 ## 文档
 
-Context 文档站的 [Agent Graph 文档](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html)讲解模型并结合真实用法逐步演示（与英文共用地址，按语言偏好显示中文）：
+Context 文档站的 [Agent Graph 文档](https://context4ai.org/context/pages/9fb722d61652eb09bd4609cb38748ba5.html)先说明 Agent Graph 的用途，再讲解模型并结合真实用法逐步演示（与英文共用地址，按语言偏好显示中文）：
 
 | 分类 | 页面 |
 |---|---|
-| 原理 | [为什么是 Graph Engineering](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html) · [核心模型](https://context4ai.org/context/pages/ad65c836debb540be355e741aabf3dcf.html) · [运行与恢复](https://context4ai.org/context/pages/708a22de19d0b807fd512451f1269434.html) · [Skills 与 Providers](https://context4ai.org/context/pages/b3558e7c73749da60cf1b9634061fdd8.html) · [Context 中的 Agent Graph](https://context4ai.org/context/pages/e0028d6618a071cc8e8f14135d034285.html) |
-| 指南 | [快速开始](https://context4ai.org/context/pages/05958f2aaec0c5605023f05e067c37bf.html) · [编写 Graph](https://context4ai.org/context/pages/b218404303adf13ace7561657d45483b.html) · [测试与发布](https://context4ai.org/context/pages/2a26bc3e8f39cad36b9354cb975ec644.html) |
+| 原理 | [Graph Engineering 设计原则](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html) · [核心模型](https://context4ai.org/context/pages/ad65c836debb540be355e741aabf3dcf.html) · [运行与恢复](https://context4ai.org/context/pages/708a22de19d0b807fd512451f1269434.html) · [Skills 与 Providers](https://context4ai.org/context/pages/b3558e7c73749da60cf1b9634061fdd8.html) · [Context 中的 Agent Graph](https://context4ai.org/context/pages/e0028d6618a071cc8e8f14135d034285.html) |
+| 指南 | [Agent Graph 是什么](https://context4ai.org/context/pages/9fb722d61652eb09bd4609cb38748ba5.html) · [快速上手](https://context4ai.org/context/pages/05958f2aaec0c5605023f05e067c37bf.html) · [编写 Graph](https://context4ai.org/context/pages/b218404303adf13ace7561657d45483b.html) · [测试与发布](https://context4ai.org/context/pages/2a26bc3e8f39cad36b9354cb975ec644.html) |
 | 参考 | [规范](https://context4ai.org/context/pages/098719903f2a7dcec5c1a6edb7b8ead3.html) · [CLI 与 SDK](https://context4ai.org/context/pages/7e7db2502a06c2f284c1701cc591c32b.html) · [迁移](https://context4ai.org/context/pages/516592ea7ac3e03cb284d8283bf349fc.html) |
 
 带版本的用户手册随本仓库发布，是各版本的规范性参考：

SUPPORT.md

@@ -2,7 +2,7 @@
 
 Choose the channel that matches the request:
 
-- Read the [documentation site](https://context4ai.org/context/pages/91e2679fb8eb437a1a32a70050351382.html), the [user manual](./docs/en/README.md) or the [中文手册](./docs/zh-CN/README.md) for product behavior and examples.
+- Read the [documentation site](https://context4ai.org/context/pages/9fb722d61652eb09bd4609cb38748ba5.html), the [user manual](./docs/en/README.md) or the [中文手册](./docs/zh-CN/README.md) for product behavior and examples.
 - Use [GitHub Discussions](https://github.com/context4ai/agent-graph/discussions) for usage questions, integration design, and ideas.
 - Open a [bug report](https://github.com/context4ai/agent-graph/issues/new/choose) for reproducible defects.
 - Follow [SECURITY.md](./SECURITY.md) for vulnerabilities.