docs: make English the default docs language and fix link paths

docs/intro/index.mdx

@@ -1,57 +1,60 @@
 ---
-title: 项目介绍
-description: CowAgent - 基于大模型的超级AI助理
+title: Introduction
+description: CowAgent - Open-source super AI assistant and Agent Harness
 ---
 
 <div align="center">
   <img src="https://cdn.link-ai.tech/doc/78c5dd674e2c828642ecc0406669fed7.png" alt="CowAgent" width="450px"/>
 </div>
 
-**CowAgent** 是基于大模型的超级AI助理，能够主动思考和任务规划、操作计算机和外部资源、创造和执行Skills、拥有长期记忆和知识库并不断成长。
+**CowAgent** is an open-source super AI assistant and Agent Harness. It proactively plans tasks, runs tools and skills, and autonomously grows with memory and knowledge.
 
-CowAgent 支持灵活切换多种模型，能处理文本、语音、图片、文件等多模态消息，可接入微信、飞书、钉钉、企业微信应用、微信公众号、网页中使用，7×24小时运行于你的个人电脑或服务器中。
+CowAgent is lightweight, easy to deploy, and built to extend. Plug in any major LLM provider, run it across Web and major IM platforms, 24/7 on a personal computer or server.
 
 <CardGroup cols={2}>
   <Card title="GitHub" icon="github" href="https://github.com/zhayujie/CowAgent">
-    开源代码仓库，欢迎 Star 和贡献
+    Open-source repository — Star and contribute
   </Card>
-  <Card title="免部署在线体验" icon="cloud" href="https://link-ai.tech/cowagent/create">
-    无需安装，立即在线体验 CowAgent
+  <Card title="Try Online" icon="cloud" href="https://link-ai.tech/cowagent/create">
+    No setup required — experience CowAgent instantly
   </Card>
 </CardGroup>
 
-## 核心能力
+## Core Capabilities
 
 <CardGroup cols={2}>
-  <Card title="复杂任务规划" icon="brain" href="/intro/architecture">
-    能够理解复杂任务并自主规划执行，持续思考和调用各类工具和技能直到完成目标。
+  <Card title="Autonomous Task Planning" icon="brain" href="/intro/architecture">
+    Decomposes complex tasks and executes them step by step, looping over tools and skills until the goal is reached.
   </Card>
-  <Card title="长期记忆" icon="database" href="/memory">
-    三层记忆流转（上下文→天级记忆→全局记忆），每日梦境蒸馏整理，支持关键词及向量检索。
+  <Card title="Long-term Memory" icon="database" href="/memory/index">
+    Three-tier architecture (context → daily → core), automatic Deep Dream distillation, hybrid keyword + vector retrieval.
   </Card>
-  <Card title="个人知识库" icon="book" href="/knowledge">
-    自动整理结构化知识，支持知识图谱可视化，通过交叉引用构建持续增长的知识网络。
+  <Card title="Personal Knowledge Base" icon="book" href="/knowledge/index">
+    Auto-curates structured knowledge into a Markdown wiki, builds an evolving knowledge graph with visual browsing.
   </Card>
-  <Card title="技能系统" icon="puzzle-piece" href="/skills/index">
-    实现了Skills创建和运行的引擎，内置多种技能，并支持通过自然语言对话完成自定义Skills开发。
+  <Card title="Skills System" icon="puzzle-piece" href="/skills/index">
+    A complete skill creation and execution engine. Install from Skill Hub or generate custom skills via natural-language conversation.
   </Card>
-  <Card title="工具系统" icon="wrench" href="/tools/index">
-    内置文件读写、终端执行、浏览器操作、定时任务、消息发送等工具，Agent 可自主调用工具完成复杂任务。
+  <Card title="Multimodal Messaging" icon="image" href="/channels/web">
+    First-class support for text, images, voice, and files — recognition, generation, and delivery.
   </Card>
-  <Card title="命令系统" icon="terminal" href="/cli/index">
-    提供终端 CLI 和对话中的命令，支持进程管理、技能安装、配置修改、上下文查看等常用操作。
+  <Card title="Tool System" icon="wrench" href="/tools/index">
+    Built-in file I/O, terminal, browser, scheduler, memory retrieval, web search, and more — with native MCP integration.
   </Card>
-  <Card title="多模型支持" icon="microchip" href="/models/index">
-    支持 OpenAI, Claude, Gemini, DeepSeek, MiniMax, GLM, Qwen, Kimi, Doubao 等国内外主流模型厂商。
+  <Card title="Command System" icon="terminal" href="/cli/index">
+    Terminal CLI and in-chat commands for process management, skill installation, configuration, and context inspection.
   </Card>
-  <Card title="多通道接入" icon="server" href="/channels/weixin">
-    支持运行在本地计算机或服务器，可集成到微信、网页、飞书、钉钉、微信公众号、企业微信应用中使用。
+  <Card title="Pluggable Models" icon="microchip" href="/models/index">
+    Claude, GPT, Gemini, DeepSeek, Qwen, GLM, Kimi, MiniMax, Doubao, and more — swap providers from the Web console with one click.
+  </Card>
+  <Card title="Multi-channel Integration" icon="server" href="/channels/index">
+    A single Agent simultaneously serves Web, WeChat, Feishu, DingTalk, WeCom, QQ, and Official Accounts.
   </Card>
 </CardGroup>
 
-## 快速体验
+## Quick Start
 
-在终端执行以下命令，即可一键安装、配置、启动 CowAgent：
+Run one of the commands below to install, configure, and start CowAgent in a single step:
 
 <Tabs>
   <Tab title="Linux / macOS">
@@ -66,19 +69,25 @@ CowAgent 支持灵活切换多种模型，能处理文本、语音、图片、
   </Tab>
 </Tabs>
 
-运行后默认会启动 Web 控制台，通过访问 `http://localhost:9899` 可以在网页端进行对话、配置、应用通道接入等操作。
+Once started, open `http://localhost:9899` to access the **Web console** — the unified place to chat, configure providers, connect channels, and install skills.
 
 <CardGroup cols={2}>
-  <Card title="快速开始" icon="rocket" href="/guide/quick-start">
-    查看完整的安装和运行指南
+  <Card title="Quick Start" icon="rocket" href="/guide/quick-start">
+    Complete installation and run guide
   </Card>
-  <Card title="项目架构" icon="sitemap" href="/intro/architecture">
-    了解 CowAgent 的系统架构设计
+  <Card title="Architecture" icon="sitemap" href="/intro/architecture">
+    CowAgent system architecture
   </Card>
 </CardGroup>
 
-## 社区
+## Disclaimer
 
-添加小助手微信加入开源项目交流群：
+1. This project is licensed under the [MIT License](https://github.com/zhayujie/CowAgent/blob/master/LICENSE) and is intended for technical research and learning. You are responsible for complying with applicable laws and regulations in your jurisdiction; the maintainers assume no liability for any consequences arising from use of this project.
+2. **Cost & safety:** Agent mode consumes substantially more tokens than plain chat — pick models that balance quality and cost. The Agent has access to your local operating system; deploy only in trusted environments.
+3. CowAgent is a pure open-source project and does not participate in, authorize, or issue any cryptocurrency.
+
+## Community
+
+Scan the WeChat QR code to join the open-source community group:
 
 <img width="140" src="https://img-1317903499.cos.ap-guangzhou.myqcloud.com/docs/open-community.png" />