docs(channels): add xiaoyi channel documentation

- Add docs/channels/xiaoyi/README.zh.md and README.md
- Update README.zh.md and README.md with xiaoyi channel info
- Include link to Huawei official setup guide

README.md

@@ -288,7 +288,7 @@ That's it! You have a working AI assistant in 2 minutes.
 
 ## 💬 Chat Apps
 
-Talk to your picoclaw through Telegram, Discord, DingTalk, LINE, or WeCom
+Talk to your picoclaw through Telegram, Discord, DingTalk, LINE, WeCom, or XiaoYi
 
 | Channel      | Setup                              |
 | ------------ | ---------------------------------- |
@@ -298,6 +298,7 @@ Talk to your picoclaw through Telegram, Discord, DingTalk, LINE, or WeCom
 | **DingTalk** | Medium (app credentials)           |
 | **LINE**     | Medium (credentials + webhook URL) |
 | **WeCom**    | Medium (CorpID + webhook setup)    |
+| **XiaoYi**   | Medium (AK/SK + AgentID)           |
 
 <details>
 <summary><b>Telegram</b> (Recommended)</summary>

README.zh.md

@@ -304,6 +304,7 @@ PicoClaw 支持多种聊天平台，使您的 Agent 能够连接到任何地方
 | **Line**             | ⭐⭐⭐ 较难 | 需要 HTTPS Webhook                        | [查看文档](docs/channels/line/README.zh.md)                                                                     |
 | **OneBot**           | ⭐⭐ 中等   | 兼容 NapCat/Go-CQHTTP，社区生态丰富       | [查看文档](docs/channels/onebot/README.zh.md)                                                                   |
 | **MaixCam**          | ⭐ 简单     | 专为 AI 摄像头设计的硬件集成通道          | [查看文档](docs/channels/maixcam/README.zh.md)                                                                  |
+| **小艺 (XiaoYi)**    | ⭐⭐ 中等   | 华为小艺 A2A 协议，支持语音助手生态       | [查看文档](docs/channels/xiaoyi/README.zh.md)                                                                  |
 
 ## <img src="assets/clawdchat-icon.png" width="24" height="24" alt="ClawdChat"> 加入 Agent 社交网络
 

docs/channels/xiaoyi/README.md

@@ -0,0 +1,49 @@
+# XiaoYi (小艺)
+
+XiaoYi Channel enables AI agent communication via Huawei's A2A (Agent-to-Agent) protocol, supporting text messages, file attachments, streaming responses, and status updates.
+
+## Configuration
+
+```json
+{
+  "channels": {
+    "xiaoyi": {
+      "enabled": true,
+      "ak": "your-access-key",
+      "sk": "your-secret-key",
+      "agent_id": "your-agent-id",
+      "ws_url1": "",
+      "ws_url2": "",
+      "allow_from": []
+    }
+  }
+}
+```
+
+| Field      | Type   | Required | Description                                    |
+| ---------- | ------ | -------- | ---------------------------------------------- |
+| enabled    | bool   | Yes      | Enable XiaoYi channel                          |
+| ak         | string | Yes      | Access Key                                     |
+| sk         | string | Yes      | Secret Key                                     |
+| agent_id   | string | Yes      | Agent identifier                               |
+| ws_url1    | string | No       | Server 1 URL, defaults to official server      |
+| ws_url2    | string | No       | Server 2 URL, defaults to backup server        |
+| allow_from | array  | No       | User ID whitelist, empty allows all users      |
+
+## Setup
+
+For detailed setup instructions, please refer to the official Huawei documentation: [OpenClaw Integration Guide](https://developer.huawei.com/consumer/cn/doc/service/openclaw-0000002518410344)
+
+1. Register and create an OpenClaw type agent on Huawei Developer Platform
+2. Obtain AK (Access Key) and SK (Secret Key)
+3. Get Agent ID
+4. Add configuration to config file
+5. Start PicoClaw, XiaoYi Channel will automatically connect to XiaoYi servers
+
+## Features
+
+- **WebSocket long connection**: Dual server hot-standby support
+- **Auto-reconnect**: Exponential backoff strategy, max 50 retries
+- **Heartbeat**: Protocol-level + application-level dual heartbeat
+- **Streaming response**: Support progressive result return
+- **Status update**: Send "processing" status immediately upon receiving message

docs/channels/xiaoyi/README.zh.md

@@ -0,0 +1,49 @@
+# 小艺 (XiaoYi)
+
+小艺 Channel 通过华为小艺 A2A (Agent-to-Agent) 协议实现智能体通信，支持文本消息、文件附件、流式响应和状态更新。
+
+## 配置
+
+```json
+{
+  "channels": {
+    "xiaoyi": {
+      "enabled": true,
+      "ak": "your-access-key",
+      "sk": "your-secret-key",
+      "agent_id": "your-agent-id",
+      "ws_url1": "",
+      "ws_url2": "",
+      "allow_from": []
+    }
+  }
+}
+```
+
+| 字段       | 类型   | 必填 | 描述                                         |
+| ---------- | ------ | ---- | -------------------------------------------- |
+| enabled    | bool   | 是   | 是否启用小艺频道                             |
+| ak         | string | 是   | Access Key                                   |
+| sk         | string | 是   | Secret Key                                   |
+| agent_id   | string | 是   | Agent 标识                                   |
+| ws_url1    | string | 否   | 服务器1 URL，默认为小艺官方服务器            |
+| ws_url2    | string | 否   | 服务器2 URL，默认为小艺备用服务器            |
+| allow_from | array  | 否   | 用户ID白名单，空表示允许所有用户             |
+
+## 设置流程
+
+详细教程请参考华为官方文档：[OpenClaw 接入指南](https://developer.huawei.com/consumer/cn/doc/service/openclaw-0000002518410344)
+
+1. 在华为开发者平台注册并创建 OpenClaw 类型的智能体
+2. 获取 AK (Access Key) 和 SK (Secret Key)
+3. 获取 Agent ID
+4. 将配置填入配置文件中
+5. 启动 PicoClaw，小艺 Channel 将自动连接到小艺服务器
+
+## 特性
+
+- **WebSocket 长连接**：支持双服务器热备
+- **自动重连**：指数退避策略，最大重试 50 次
+- **心跳机制**：协议层 + 应用层双重心跳
+- **流式响应**：支持逐步返回结果
+- **状态更新**：收到消息后立即发送"处理中"状态