docs: link Univer Office SDK documentation

Author: hexf00

README.md

@@ -4,7 +4,7 @@
 
 **An open-source Office workspace where people and AI agents create, collaborate, and review together.**
 
-[Univer Docs](https://docs.univer.ai/) · [CLI guide](apps/cli/README.md) · [Issues](https://github.com/dream-num/univer-workspace/issues)
+[Univer Docs](https://docs.univer.ai/) · [Office SDK](https://office.univer.ai/) · [CLI guide](apps/cli/README.md) · [Issues](https://github.com/dream-num/univer-workspace/issues)
 
 [![License](https://img.shields.io/badge/license-Apache--2.0-blue)](LICENSE)
 [![Node.js](https://img.shields.io/badge/Node.js-%3E%3D24-339933?logo=node.js&logoColor=white)](package.json)
@@ -209,6 +209,7 @@ the actual package artifact before publication.
 | Resource                                                            | Scope                                                                  |
 | ------------------------------------------------------------------- | ---------------------------------------------------------------------- |
 | [Univer Runtime documentation](https://docs.univer.ai/)             | Browser Runtime, presets, plugins, Facade API, and editor capabilities |
+| [Univer Office SDK documentation](https://office.univer.ai/)        | Office SDK stack: Runtime, Collaboration, CLI, and Worktree            |
 | [Workspace application guide](apps/workspace/README.md)             | Configuration, authentication, storage, Docker, and upgrades           |
 | [Workspace CLI guide](apps/cli/README.md)                           | Installation, login, agent workflows, and package contract             |
 | [Technical architecture](apps/workspace/docs/architecture.md)       | Browser, Server, storage, OpenAPI, and module boundaries               |

README.zh-CN.md

@@ -4,7 +4,7 @@
 
 **一个让人类与 AI Agent 共同创作、协作和审阅的开源 Office 工作空间。**
 
-[Univer 文档](https://docs.univer.ai/) · [CLI 指南](apps/cli/README.md) · [Issues](https://github.com/dream-num/univer-workspace/issues)
+[Univer 文档](https://docs.univer.ai/) · [Office SDK 文档](https://office.univer.ai/) · [CLI 指南](apps/cli/README.md) · [Issues](https://github.com/dream-num/univer-workspace/issues)
 
 [![License](https://img.shields.io/badge/license-Apache--2.0-blue)](LICENSE)
 [![Node.js](https://img.shields.io/badge/Node.js-%3E%3D24-339933?logo=node.js&logoColor=white)](package.json)
@@ -194,6 +194,7 @@ CLI 与 Workspace 部署基于同一份源码，但各自独立交付：
 | 资源                                                                | 范围                                                     |
 | ------------------------------------------------------------------- | -------------------------------------------------------- |
 | [Univer Runtime 文档](https://docs.univer.ai/)                      | Browser Runtime、Preset、Plugin、Facade API 与编辑器能力 |
+| [Univer Office SDK 文档](https://office.univer.ai/)                 | Office SDK 技术栈：Runtime、Collaboration、CLI 与 Worktree |
 | [Workspace 应用指南](apps/workspace/README.md)                      | 配置、认证、存储、Docker 与升级                          |
 | [Workspace CLI 指南](apps/cli/README.md)                            | 安装、登录、Agent workflow 与 package 合同               |
 | [技术架构](apps/workspace/docs/architecture.md)                     | Browser、Server、存储、OpenAPI 与模块边界                |

apps/cli/README.md

@@ -111,6 +111,7 @@ to override the bundled credential.
 
 - [Univer Workspace repository](https://github.com/dream-num/univer-workspace)
 - [Univer SDK documentation](https://docs.univer.ai/)
+- [Univer Office SDK documentation](https://office.univer.ai/)
 - [Univer on GitHub](https://github.com/dream-num/univer)
 - [Workspace issue tracker](https://github.com/dream-num/univer-workspace/issues)
 - [Univer website](https://univer.ai/)