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

docs/cli/index.mdx

@@ -1,31 +1,31 @@
 ---
-title: 命令总览
-description: CowAgent 命令系统 — 终端 CLI 和对话命令
+title: Commands Overview
+description: CowAgent command system — Terminal CLI and chat commands
 ---
 
-CowAgent 提供两种命令交互方式：
+CowAgent provides two ways to interact via commands:
 
-- **终端CLI** — 在系统终端中执行 `cow <命令>`，用于服务管理、技能管理等运维操作
-- **对话命令** — 在对话中输入 `/<命令>` 或 `cow <命令>`，用于查看状态、管理技能、调整配置等
+- **Terminal CLI** — Run `cow <command>` in your system terminal for service management, skill management, and other operations
+- **Chat Commands** — Type `/<command>` or `cow <command>` in any conversation to check status, manage skills, adjust configuration, etc.
 
-## 终端命令
+## Cow CLI
 
-通过一键安装脚本部署后，`cow` 命令会自动可用。手动安装的用户需要在项目根目录下额外执行：
+After deploying with the one-click install script, the `cow` command is automatically available. For manual installations, run:
 
 ```bash
 pip install -e .
 ```
 
-安装后即可在任意位置使用 `cow` 命令：
+Then use the `cow` command from anywhere:
 
 ```bash
 cow help
 ```
 
-输出示例：
+Example output:
 
 ```
-CowAgent CLI
+🐮 CowAgent CLI
 
 Usage: cow <command>
 
@@ -49,35 +49,33 @@ Others:
   version   Show version
 ```
 
-## 对话命令
+## Chat Commands
 
-在 Web 控制台或任意接入渠道的对话中，支持输入以 `/` 开头的命令：
+In the Web console or any connected channel, type `/` to see command suggestions. Supported commands:
 
-| 命令 | 说明 |
+| Command | Description |
 | --- | --- |
-| `/help` | 显示命令帮助 |
-| `/status` | 查看服务状态和配置 |
-| `/cancel` | 中止当前正在运行的 Agent 任务 |
-| `/config` | 查看或修改运行时配置 |
-| `/skill` | 管理技能（安装、卸载、启用、禁用等） |
-| `/memory dream [N]` | 手动触发记忆蒸馏（默认 3 天，最大 30） |
-| `/knowledge` | 查看知识库统计信息 |
-| `/knowledge list` | 查看知识库目录结构 |
-| `/knowledge on\|off` | 开启或关闭知识库 |
-| `/context` | 查看当前会话上下文信息 |
-| `/context clear` | 清空当前会话上下文 |
-| `/logs` | 查看最近日志 |
-| `/version` | 显示版本号 |
+| `/help` | Show command help |
+| `/status` | View service status and configuration |
+| `/cancel` | Abort the currently running agent task |
+| `/config` | View or modify runtime configuration |
+| `/skill` | Manage skills (install, uninstall, enable, disable, etc.) |
+| `/memory dream [N]` | Manually trigger memory distillation (default 3 days, max 30) |
+| `/knowledge` | View knowledge base statistics |
+| `/knowledge list` | View knowledge base directory structure |
+| `/knowledge on\|off` | Enable or disable knowledge base |
+| `/context` | View current session context info |
+| `/context clear` | Clear current session context |
+| `/logs` | View recent logs |
+| `/version` | Show version number |
 
 <Tip>
-  对话命令中 `/start`、`/stop`、`/restart` 等服务管理命令会提示到终端中执行，因为它们涉及进程操作。
+  Service management commands like `/start`, `/stop`, `/restart` will prompt you to use them in the terminal instead, as they involve process operations.
 </Tip>
 
-## 命令对照表
+## Command Availability
 
-以下是各命令在终端和对话中的可用性：
-
-| 命令 | 终端 (`cow`) | 对话 (`/`) |
+| Command | Terminal (`cow`) | Chat (`/`) |
 | --- | :---: | :---: |
 | help | ✓ | ✓ |
 | version | ✓ | ✓ |
@@ -86,13 +84,13 @@ Others:
 | cancel | ✗ | ✓ |
 | config | ✗ | ✓ |
 | context | — | ✓ |
-| memory (子命令) | ✗ | ✓ |
-| knowledge (子命令) | ✓ | ✓ |
-| skill (子命令) | ✓ | ✓ |
+| memory (subcommands) | ✗ | ✓ |
+| knowledge (subcommands) | ✓ | ✓ |
+| skill (subcommands) | ✓ | ✓ |
 | start / stop / restart | ✓ | ✗ |
 | update | ✓ | ✗ |
 | install-browser | ✓ | ✗ |
 
 <Note>
-  `context` 在终端中仅提示到对话中使用。`config` 仅支持在对话中修改。
+  `context` only shows a hint in the terminal to use it in chat. `config` is only available in chat.
 </Note>