docs: fix documentation structure and add npm links

- Remove duplicate features section in index.md
- Update version badge in README.md to 2.1.9
- Add npm link to social links in theme config
- Add npm link to navigation menu
- Optimize sidebar structure for better organization
- Fix broken link to contributing guide

Author: Agions

README.md

@@ -6,7 +6,7 @@
 
 **AI 思维流编排引擎**
 
-[![Version](https://img.shields.io/badge/version-2.1.0-blue.svg)](https://github.com/Agions/taskflow-ai)
+[![Version](https://img.shields.io/badge/version-2.1.9-blue.svg)](https://github.com/Agions/taskflow-ai)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
 [![Node.js](https://img.shields.io/badge/Node.js-20+-339933?logo=node.js)](https://nodejs.org/)
 [![TypeScript](https://img.shields.io/badge/TypeScript-5.0+-3178C6?logo=typescript)](https://www.typescriptlang.org/)

docs/.vitepress/config-internal/nav.ts

@@ -47,8 +47,9 @@ export const nav = [
       { text: '常见问题', link: '/faq' },
       { text: '故障排除', link: '/troubleshooting/common-issues' },
       { text: '更新日志', link: '/changelog' },
-      { text: '贡献指南', link: '/guide/contributing' },
-      { text: 'GitHub', link: 'https://github.com/agions/taskflow-ai' }
+      { text: '贡献指南', link: '/development/contributing' },
+      { text: 'GitHub', link: 'https://github.com/agions/taskflow-ai' },
+      { text: 'NPM', link: 'https://www.npmjs.com/package/taskflow-ai' }
     ]
   }
 ];

docs/.vitepress/config-internal/sidebar.ts

@@ -112,13 +112,25 @@ export const sidebar = {
         { text: '开发者指南', link: '/development/developer-guide' },
         { text: '贡献指南', link: '/development/contributing' }
       ]
-    },
+    }
+  ],
+
+  '/testing/': [
+    {
+      text: '🧪 测试指南',
+      collapsed: false,
+      items: [
+        { text: '测试文档', link: '/testing/' }
+      ]
+    }
+  ],
+
+  '/deployment/': [
     {
-      text: '🧪 测试与部署',
+      text: '🚀 部署指南',
       collapsed: false,
       items: [
-        { text: '测试指南', link: '/testing/' },
-        { text: '部署指南', link: '/deployment/' }
+        { text: '部署文档', link: '/deployment/' }
       ]
     }
   ],
@@ -136,12 +148,12 @@ export const sidebar = {
     }
   ],
 
-  '/examples/': [
+  '/mcp/': [
     {
-      text: '📦 示例文档',
+      text: '🔌 MCP 集成',
       collapsed: false,
       items: [
-        { text: 'PRD 示例', link: '/examples/example-prd' }
+        { text: 'MCP 文档', link: '/mcp/' }
       ]
     }
   ]

docs/.vitepress/config-internal/theme.ts

@@ -9,7 +9,8 @@ export const themeConfig = {
 
   // 社交链接
   socialLinks: [
-    { icon: 'github', link: 'https://github.com/agions/taskflow-ai' }
+    { icon: 'github', link: 'https://github.com/agions/taskflow-ai' },
+    { icon: { svg: '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M12 1.608l-9.9 4.02v10.392l9.9 4.372 9.9-4.372V5.628L12 1.608zm0 2.19l7.2 2.928v7.348L12 16.698l-7.2-2.624V6.726L12 3.798z"/></svg>' }, link: 'https://www.npmjs.com/package/taskflow-ai' }
   ],
 
   // 页脚

docs/index.md

@@ -45,23 +45,6 @@ features:
     details: 支持 Cursor、Windsurf、Trae、Claude Desktop，动态工具注册，企业级安全策略
 ---
 
-  - icon: ⚡
-    title: 工作流引擎
-    details: YAML/JSON 声明式工作流，顺序/并行/条件分支/循环执行，SQLite 状态持久化，完整错误处理
-
-  - icon: 🧩
-    title: 插件系统
-    details: 动态加载/卸载插件，钩子系统 (onInit, onTaskCreate 等)，内置 PRD/工作流/任务模板
-
-  - icon: 🤝
-    title: 多 Agent 协作
-    details: 自主目标执行，AI 反思机制，多 Agent 消息传递和任务分发，短期/长期记忆系统
-
-  - icon: 🔌
-    title: MCP 集成
-    details: 支持 Cursor、Windsurf、Trae、Claude Desktop，动态工具注册，企业级安全策略
----
-
 ## ⚡ 快速开始
 
 ### 安装