feat: chat add ds_type

Author: ulleo

backend/apps/chat/curd/chat.py

@@ -85,6 +85,7 @@ def get_chat_with_records(session: SessionDep, chart_id: int, current_user: Curr
     else:
         chat_info.datasource_exists = True
         chat_info.datasource_name = ds.name
+        chat_info.ds_type = ds.type
 
     record_list = session.query(ChatRecord).options(
         load_only(ChatRecord.id, ChatRecord.chat_id, ChatRecord.create_time, ChatRecord.finish_time,

backend/apps/chat/models/chat_model.py

@@ -89,6 +89,7 @@ class ChatInfo(BaseModel):
     chat_type: str = "chat"
     datasource: Optional[int] = None
     engine_type: str = ''
+    ds_type: str = ''
     datasource_name: str = ''
     datasource_exists: bool = True
     records: List[ChatRecord | dict] = []