feat(web): 知识库页面（蚕病百科 + AI 解读）

web/src/layout/BasicLayout.tsx

@@ -7,6 +7,7 @@ import {
   BellOutlined,
   VideoCameraOutlined,
   FileTextOutlined,
+  BookOutlined,
   SettingOutlined,
   LogoutOutlined,
   UserOutlined,
@@ -30,6 +31,7 @@ const menuData = [
   { path: '/alerts', name: '告警中心', icon: <BellOutlined />, permission: 'alarm:read' },
   { path: '/videos', name: '视频监控', icon: <VideoCameraOutlined />, permission: 'video:read' },
   { path: '/logs', name: '控制日志', icon: <FileTextOutlined />, permission: 'log:read' },
+  { path: '/knowledge', name: '知识库', icon: <BookOutlined />, permission: 'knowledge:read' },
 ];
 
 // 角色中文名