fix bugs

app/constants.py

@@ -1,5 +1,5 @@
 VEHICLE_KEYWORDS = ["xe máy", "ô tô", "xe đạp", "xe hơi"]
-SHEET_RANGE = 'chat!A2:F'
+SHEET_RANGE = 'chat!A2:I'
 EMBEDDING_DIM = 1536
 
 # Mapping từ từ khóa sang tên cột trong bảng tblPhuongtien

app/main.py

@@ -6,6 +6,7 @@ from typing import Dict, Any, List
 import asyncio
 from concurrent.futures import ThreadPoolExecutor
 import os
+import traceback
 
 from .config import Settings, get_settings
 from .facebook import FacebookClient
@@ -116,7 +117,7 @@ async def webhook(request: Request):
         
         return {"status": "ok"}
     except Exception as e:
-        logger.error(f"Error processing webhook: {e}")
+        logger.error(f"Error processing webhook: {e}\nTraceback: {traceback.format_exc()}")
         raise HTTPException(status_code=500, detail="Internal server error")
 
 @timing_decorator_async