refactor: split agent.go into 12 files + add mcp_restart_server tool

docs/en/ARCHITECTURE.md

@@ -256,7 +256,7 @@ VM built-ins: `json.encode` / `json.decode` / `log` / `http_get` / `http_post`.
 | Built-in | `init()` → `RegisterFactory` | `internal/plugins/` compiled into kernel | webui/cli/timer/mcp etc. |
 | External `.so` | C ABI dynamic loading | `-buildmode=c-shared` + bridge | qq/files/web/memo etc. |
 | Lua script plugin | Parse `main.lua` to register tools | No compilation, hot-reload | luaplugintest/testlua etc. |
-| SKILL plugin | Parse `SKILL.md` | Markdown definition | OpenClaw compatible |
+| SKILL plugin | Parse `SKILL.md` | Markdown definition | Loaded via clawhubadapter |
 
 Built-in plugin registration: `internal/plugins/all.go` blank imports → each plugin `init()` → `Registry.Load()` scans directory to match factory.
 External plugin loading: `internal/plugin/dynamic.go` → copy to SHA256 temp path (bypass `plugin.Open` path cache) → `Open` + `Lookup("NewPlugin")`.
@@ -403,10 +403,12 @@ internal/
 │   ├── timer/             — Timer
 │   ├── cmd/               — Command execution
 │   ├── mcp/               — MCP protocol
-│   ├── openclaw/          — OpenClaw compatible
+│   ├── files/             — File operations
+│   ├── clawhubadapter/   — ClawHub adapter (OC plugin/SKILL/JS/Python sidecar)
 │   ├── agentcli/          — PTY terminal
 │   ├── healthcheck/       — Health check
-│   └── pluginmgr/         — Plugin manager
+│   ├── pluginmgr/         — Plugin manager
+│   └── cfgmgr/            — Config manager
 ├── sdk/                   — PluginSDK definitions
 │   ├── plugin.go          — Plugin interface + PluginSDK
 │   ├── memory.go          — MemoryAPI

docs/en/OVERVIEW.md

@@ -69,12 +69,19 @@ Code is in the project root, implemented in Go.
 - OpenAI API-compatible `/v1/chat/completions` endpoint
 - SSE event stream `/api/v1/chat/events`
 
+**ClawHub Adapter** (`internal/plugins/clawhubadapter/`):
+- Unified loader for OC plugins (Node.js), Python sidecar, JS sidecar, and SKILL plugins
+- RegistryDispatcher pattern: routes registration notifications to Tool/Provider/Channel/Stage registries
+- ClawHub marketplace search and install: `clawhubadapter_search` / `clawhubadapter_npm_install`
+- 9 provider types mapped to LLM-accessible tools (image generation, web search, speech, etc.)
+- OC channels auto-registered as IO devices with text/file/image/audio capability flags
+
 <img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
 
 ## Project Status
 
 Core functionality is operational. Plugin system and SDK are ready for independent external plugin development.
 
-- Built-in plugins: webui / cli / timer / cmd / mcp / agentcli / healthcheck / pluginmgr / openclaw / files
+- Built-in plugins: webui / cli / timer / cmd / mcp / agentcli / healthcheck / pluginmgr / clawhubadapter / files / cfgmgr
 - External plugin examples ([homeagent-sdk](https://gitcode.com/JianFeeeee/homeagent-sdk) repo `example/`, both Go and Lua types): qq / files / web / memo / bili / editdoc / a2a / ocr / sanitizer / luaplugintest / testlua
 - Distribution: `.hmap` plugin package format, installable via WebUI

docs/zh/ARCHITECTURE.md

@@ -256,7 +256,7 @@ VM 内置 `json.encode` / `json.decode` / `log` / `http_get` / `http_post`。
 | 内置插件 | `init()` → `RegisterFactory` | `internal/plugins/` 编译进内核 | webui/cli/timer/mcp 等 |
 | 外部 `.so` | C ABI 动态加载 | `-buildmode=c-shared` + bridge | qq/files/web/memo 等 |
 | Lua 脚本插件 | 解析 `main.lua` 注册工具 | 无需编译，热加载 | luaplugintest/testlua 等 |
-| SKILL 插件 | 解析 `SKILL.md` | Markdown 定义 | OpenClaw 兼容 |
+| SKILL 插件 | 解析 `SKILL.md` | Markdown 定义 | clawhubadapter 兼容加载 |
 
 内置插件注册：`internal/plugins/all.go` 空白导入 → 各插件 `init()` → `Registry.Load()` 扫描目录匹配工厂。
 外部插件加载：`internal/plugin/dynamic.go` → 复制到 SHA256 临时路径（绕过 `plugin.Open` 路径缓存）→ `Open` + `Lookup("NewPlugin")`。
@@ -403,10 +403,12 @@ internal/
 │   ├── timer/             — 定时器
 │   ├── cmd/               — 命令执行
 │   ├── mcp/               — MCP 协议
-│   ├── openclaw/          — OpenClaw 兼容
+│   ├── files/             — 文件操作
+│   ├── clawhubadapter/   — ClawHub 适配器（OC 插件/SKILL/JS/Python sidecar）
 │   ├── agentcli/          — PTY 终端
 │   ├── healthcheck/       — 健康检查
-│   └── pluginmgr/         — 插件管理器
+│   ├── pluginmgr/         — 插件管理器
+│   └── cfgmgr/            — 配置管理
 ├── sdk/                   — PluginSDK 定义
 │   ├── plugin.go          — Plugin 接口 + PluginSDK
 │   ├── memory.go          — MemoryAPI

docs/zh/OVERVIEW.md

@@ -69,12 +69,19 @@ HomeAgent 是一个持续运行的个人智能 Agent 框架。
 - 兼容 OpenAI API 格式的 `/v1/chat/completions` 端点
 - SSE 事件流 `/api/v1/chat/events`
 
+**ClawHub 适配器** (`internal/plugins/clawhubadapter/`)：
+- 统一加载 OC 插件（Node.js）、Python sidecar、JS sidecar、SKILL 四种插件类型
+- RegistryDispatcher 模式：Tool/Provider/Channel/Stage 注册通知分发
+- ClawHub 市场搜索与安装：`clawhubadapter_search` / `clawhubadapter_npm_install`
+- 9 种 Provider 类型映射为 LLM 可用工具（图片生成、搜索、语音等）
+- OC 通道自动注册为 IO 设备，支持文本/文件/图片/音频能力标志
+
 <img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
 
 ## 项目状态
 
 核心功能已可运行。插件系统和 SDK 已就绪，可独立开发外部插件。
 
-- 内置插件：webui / cli / timer / cmd / mcp / agentcli / healthcheck / pluginmgr / openclaw / files
+- 内置插件：webui / cli / timer / cmd / mcp / agentcli / healthcheck / pluginmgr / clawhubadapter / files / cfgmgr
 - 外部插件示例（[homeagent-sdk](https://gitcode.com/JianFeeeee/homeagent-sdk) 仓库 `example/`，含 Go 和 Lua 两种类型）：qq / files / web / memo / bili / editdoc / a2a / ocr / sanitizer / luaplugintest / testlua
 - 打包分发：`.hmap` 插件包格式，通过 WebUI 安装