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

docs/channels/index.mdx

@@ -1,45 +1,45 @@
 ---
-title: 通道概览
-description: CowAgent 支持的通道及能力矩阵
+title: Channels Overview
+description: Channels supported by CowAgent and their capability matrix
 ---
 
-CowAgent 支持接入多种聊天通道，启动时通过 `channel_type` 切换。Web 控制台默认开启，可与其他接入通道并行运行。
+CowAgent supports multiple chat channels. Switch between them at startup via `channel_type`. The Web Console is enabled by default and can run in parallel with other channels.
 
-## 能力矩阵
+## Capability Matrix
 
-下表汇总各通道支持的入站消息类型、机器人回复类型与群聊能力，方便按场景选择。
+The table below summarizes the inbound message types, bot reply types, and group chat capabilities supported by each channel, making it easy to choose by scenario.
 
-| 通道 | 文本 | 图片 | 文件 | 语音 | 群聊 |
+| Channel | Text | Image | File | Voice | Group Chat |
 | --- | :-: | :-: | :-: | :-: | :-: |
-| [微信](/channels/weixin) | ✅ | ✅ | ✅ | ✅ |  |
-| [Web 控制台](/channels/web) | ✅ | ✅ | ✅ | ✅ | |
-| [飞书](/channels/feishu) | ✅ | ✅ | ✅ | ✅ | ✅ |
-| [钉钉](/channels/dingtalk) | ✅ | ✅ | ✅ | ✅ | ✅ |
-| [企微智能机器人](/channels/wecom-bot) | ✅ | ✅ | ✅ | ✅ | ✅ |
+| [WeChat](/channels/weixin) | ✅ | ✅ | ✅ | ✅ |  |
+| [Web Console](/channels/web) | ✅ | ✅ | ✅ | ✅ | |
+| [Feishu](/channels/feishu) | ✅ | ✅ | ✅ | ✅ | ✅ |
+| [DingTalk](/channels/dingtalk) | ✅ | ✅ | ✅ | ✅ | ✅ |
+| [WeCom Bot](/channels/wecom-bot) | ✅ | ✅ | ✅ | ✅ | ✅ |
 | [QQ](/channels/qq) | ✅ | ✅ | ✅ | | ✅ |
-| [企业微信应用](/channels/wecom) | ✅ | ✅ | ✅ | ✅ | |
-| [公众号](/channels/wechatmp) | ✅ | ✅ | | ✅ | |
+| [WeCom App](/channels/wecom) | ✅ | ✅ | ✅ | ✅ | |
+| [Official Account](/channels/wechatmp) | ✅ | ✅ | | ✅ | |
 | [Telegram](/channels/telegram) | ✅ | ✅ | ✅ | ✅ | ✅ |
 | [Slack](/channels/slack) | ✅ | ✅ | ✅ | | ✅ |
 | [Discord](/channels/discord) | ✅ | ✅ | ✅ | | ✅ |
 
-- **图片 / 文件 / 语音**列表示通道支持收发对应消息类型，具体细节详见各通道文档
-- **群聊**列指可识别并响应群消息
+- The **Image / File / Voice** columns indicate that the channel can send and receive the corresponding message types; see each channel's docs for details
+- The **Group Chat** column indicates the ability to recognize and respond to group messages
 
 <Tip>
-  每个通道的语音 / 图像能力依赖对应模型厂商的配置，详见 [模型概览](/models)。
+  The voice / image capabilities of each channel depend on the configuration of the corresponding model provider. See [Models Overview](/models/index) for details.
 </Tip>
 
-## 通道一览
+## Channel List
 
-- [Web 控制台](/channels/web) — 内置浏览器对话和管理面板，默认开启
-- [微信](/channels/weixin) — 通过个人微信扫码登录
-- [飞书](/channels/feishu) — 飞书自建机器人
-- [钉钉](/channels/dingtalk) — 钉钉自建机器人
-- [企微智能机器人](/channels/wecom-bot) — 企业微信智能机器人
-- [QQ](/channels/qq) — QQ 官方机器人开放平台
-- [企业微信应用](/channels/wecom) — 企业微信自建应用接入
-- [公众号](/channels/wechatmp) — 微信公众号（订阅号 / 服务号）
-- [Telegram](/channels/telegram) — 海外 IM，5 分钟接入，无需公网 IP
-- [Slack](/channels/slack) — 团队协作 IM，Socket Mode 接入，无需公网 IP
-- [Discord](/channels/discord) — 社区 IM，Gateway 长连接接入，无需公网 IP
+- [Web Console](/channels/web) — built-in browser-based chat and management panel, enabled by default
+- [WeChat](/channels/weixin) — log in via personal WeChat QR scan
+- [Feishu](/channels/feishu) — Feishu custom bot
+- [DingTalk](/channels/dingtalk) — DingTalk custom bot
+- [WeCom Bot](/channels/wecom-bot) — WeCom AI Bot via WebSocket long connection
+- [QQ](/channels/qq) — QQ Official Bot open platform
+- [WeCom App](/channels/wecom) — WeCom custom app integration
+- [Official Account](/channels/wechatmp) — WeChat Official Account (subscription / service)
+- [Telegram](/channels/telegram) — global IM, 5-minute setup, no public IP needed
+- [Slack](/channels/slack) — team collaboration IM, Socket Mode integration, no public IP needed
+- [Discord](/channels/discord) — community IM, Gateway connection, no public IP needed