feat: Show prompt send to LLM for assistant answer #2098 (#2142)

### What problem does this PR solve?

feat: Show prompt send to LLM for assistant answer #2098
### Type of change


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

web/src/interfaces/database/chat.ts

@@ -68,6 +68,8 @@ export interface Message {
   content: string;
   role: MessageType;
   doc_ids?: string[];
+  prompt?: string;
+  id?: string;
 }
 
 export interface IReference {
@@ -80,6 +82,8 @@ export interface IAnswer {
   answer: string;
   reference: IReference;
   conversationId?: string;
+  prompt?: string;
+  id?: string;
 }
 
 export interface Docagg {