feat(chat): improve log message display

backend/src/app_mixins/chat.py

@@ -72,11 +72,14 @@ class ChatMixin:
         messages = await query.order_by("-id").all()
         messages.reverse()
 
+        # TODO: Stop repetition.
+        # There's db.Message and chat.Message, also should be combined somehow, or wrap db always.
         return [{
             "id": message.id,
             "time": message.time,
             "sender": message.sender,
             "kind": message.kind,
+            "subkind": message.subkind,
             "content": message.content,
             "threadId": message.thread_id,
         } for message in messages]