agent功能开发增加MCP后端

src/components/ChatBot/index.js

@@ -2,6 +2,10 @@
 // 聊天机器人组件统一导出
 
 export { ChatInterface } from './ChatInterface';
+export { ChatInterfaceV2 } from './ChatInterfaceV2';
 export { MessageBubble } from './MessageBubble';
+export { PlanCard } from './PlanCard';
+export { StepResultCard } from './StepResultCard';
 
-export { ChatInterface as default } from './ChatInterface';
+// 默认导出新版本
+export { ChatInterfaceV2 as default } from './ChatInterfaceV2';