bug fix

main.py

@@ -67,7 +67,7 @@ def build_notion_request(request_data: ChatCompletionRequest) -> NotionRequestBo
             transcript.append(NotionTranscriptItem(type="markdown-chat", value=message.content))
         else:
             # Map user, system, and any other potential roles to 'user'
-            transcript.append(NotionTranscriptItem(type="user", value=message.content))
+            transcript.append(NotionTranscriptItem(type="user", value=[[message.content]]))
 
     # Use globally configured spaceId, set createThread=True
     return NotionRequestBody(