feat: Support for conversational streaming (#809)

### What problem does this PR solve?

feat: Support for conversational streaming
#709

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/chat/interface.ts

@@ -1,4 +1,4 @@
-import { IConversation, Message } from '@/interfaces/database/chat';
+import { IConversation, IReference, Message } from '@/interfaces/database/chat';
 import { FormInstance } from 'antd';
 
 export interface ISegmentedContentProps {
@@ -24,6 +24,7 @@ export type IPromptConfigParameters = Omit<VariableTableDataType, 'variable'>;
 
 export interface IMessage extends Message {
   id: string;
+  reference?: IReference; // the latest news has reference
 }
 
 export interface IClientConversation extends IConversation {