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/components/chat/ToolResultBlock.tsx

@@ -15,7 +15,7 @@ export function ToolResultBlock({ toolCall }: ToolResultBlockProps): React.JSX.E
 
   return (
     <Box sx={{ borderRadius: 1.5, border: '1px solid', borderColor: 'divider', borderLeft: '3px solid', borderLeftColor: 'info.main', bgcolor: 'secondary.main', px: 1.5, py: 1, mb: 1, animation: 'fadeInUp 300ms ease-out' }}>
-      <Stack direction="row" spacing={1} alignItems="center" sx={{ mb: 0.5 }}>
+      <Stack direction="row" spacing={1} sx={{ mb: 0.5, alignItems: 'center' }}>
         <FileText size={12} style={{ color: '#22d3ee' }} />
         <Typography variant="caption" sx={{ fontWeight: 500, color: 'text.primary' }}>{toolCall.name} 结果</Typography>
         {toolCall.durationMs != null && <Typography variant="caption" sx={{ ml: 'auto', color: 'text.secondary' }}>{formatDuration(toolCall.durationMs)}</Typography>}