fix: improve mongo db role

core/chat/bot_service.py

@@ -153,13 +153,13 @@ class ChatCompletionService:
     def _save_chat_history_to_db(self, response, metadata_collection):
         chat_history_db = [
             ChatMessage(
-                role=MessageRole.ASSISTANT,
+                role=MessageRole.USER,
                 content=self.user_request,
                 timestamp=datetime.now(),
                 payment="free" if self.type_bot == "general" else None,
             ),
             ChatMessage(
-                role=MessageRole.SYSTEM,
+                role=MessageRole.ASSISTANT,
                 content=response,
                 metadata=metadata_collection,
                 timestamp=datetime.now(),