Fix broken links in documentation

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

content/docs/getting-started/index.cn.mdx

@@ -124,6 +124,6 @@ npm run dev
 
 ## 下一步
 
+- [架构详解](./architecture) - 了解 ObjectDocs 的目录结构和数据流
 - [配置文件](./configuration) - 了解更多配置选项
-- [编写内容](./writing) - 学习 MDX 语法和组件使用
-- [部署](./deployment) - 将你的文档发布到生产环境
+- [组件](/docs/components/objectui-embed) - 在文档中嵌入交互式 ObjectUI 组件

content/docs/getting-started/index.mdx

@@ -124,6 +124,6 @@ Now visit [http://localhost:7777](http://localhost:7777), and you should see you
 
 ## Next Steps
 
+- [Architecture](./architecture) - Understand ObjectDocs' directory structure and data flow
 - [Configuration](./configuration) - Learn more about configuration options
-- [Writing Content](./writing) - Learn MDX syntax and component usage
-- [Deployment](./deployment) - Publish your documentation to production
+- [Components](/docs/components/objectui-embed) - Embed interactive ObjectUI components in your docs

content/docs/index.cn.mdx

@@ -26,7 +26,7 @@ import { FileJson, Layers, Cpu, Zap } from 'lucide-react';
   <Card
     icon={<Cpu />}
     title="低代码原生支持"
-    href="/docs/components"
+    href="/docs/components/objectui-embed"
   >
     直接在 Markdown 中嵌入 JSON 模式。渲染由 ObjectQL 定义驱动的实时交互组件。
   </Card>

content/docs/index.mdx

@@ -26,7 +26,7 @@ Unlike general-purpose static site generators (SSGs), ObjectDocs treats document
   <Card
     icon={<Cpu />}
     title="Low-Code Native"
-    href="/docs/components"
+    href="/docs/components/objectui-embed"
   >
     Directly embed JSON schemas in Markdown. Render live, interactive components powered by ObjectQL definitions.
   </Card>