refactor: 移除多余依赖，统一 MUI 为唯一 UI 库

- 移除 radix-ui、clsx、tailwind-merge、class-variance-authority、react-router-dom

- 前后端全面适配 MUI 组件，清理残留 Tailwind 工具类引用

- 优化 Agent Loop 引擎、IPC 处理器、Provider Adapter 等后端模块

- 新增 Agent 网络工具通用设计文档 v2

src/lib/cn.ts

@@ -1,7 +1,9 @@
 /**
  * className 合并工具
  *
- * @see standard/开发规范.md — 第一铁律
+ * MUI 项目中主要通过 sx prop 设置样式，此工具仅用于极少数场景。
  */
 
-export { default as cn } from 'clsx';
+export function cn(...classes: (string | false | null | undefined)[]): string {
+  return classes.filter(Boolean).join(' ');
+}

src/lib/constants.ts

@@ -69,9 +69,10 @@ export const TOOL_CALL_STATUS_COLORS = {
 export const SHORTCUTS = {
   NEW_SESSION: { key: 'n', ctrl: true },
   QUICK_SEARCH: { key: 'k', ctrl: true },
-  SEND_MESSAGE: { key: 'Enter', ctrl: true },
-  NEW_LINE: { key: 'Enter', ctrl: true, shift: true },
+  SEND_MESSAGE: { key: 'Enter', ctrl: false },
+  NEW_LINE: { key: 'Enter', ctrl: true },
   ABORT: { key: '.', ctrl: true },
+  // TODO: implement in future version
   FOCUS_MODE: { key: 'f', ctrl: true, shift: true },
   TOGGLE_SIDEBAR: { key: 'b', ctrl: true },
   TOGGLE_DETAIL: { key: 'j', ctrl: true },

src/lib/ipc-client.ts

@@ -1,3 +1,5 @@
+// DEPRECATED: Components use window.metona directly. This file is kept for future type-safe refactoring.
+
 /**
  * IPC Client — 渲染进程 IPC 封装
  *
@@ -8,7 +10,9 @@
  * @see src/types/global.d.ts — 类型声明
  */
 
-import type { MetonaBridge, MetonaSessionInfo, MetonaStreamEventData, MetonaMCPServerStatus, MetonaMemorySearchResult } from '@renderer/types/global';
+// DEPRECATED: Components use window.metona directly. This file is kept for future type-safe refactoring.
+// Types are now globally available via src/types/global.d.ts (script file, no import needed).
+
 
 // ===== 桥接层访问 =====
 
@@ -103,7 +107,7 @@ export const mcpAPI = {
     return getBridge().mcp.listServers();
   },
 
-  addServer(config: { name: string; transport: 'stdio' | 'sse'; command?: string; args?: string[]; url?: string }): Promise<{ success: boolean }> {
+  addServer(config: { name: string; transport: 'stdio' | 'sse'; command?: string; args?: string[]; url?: string; enabled: boolean }): Promise<{ success: boolean }> {
     return getBridge().mcp.addServer(config);
   },