Fix log format

app.py

@@ -14,7 +14,11 @@ import uvicorn
 
 from backends import APISearchResults, APIPatentResults, query_bing_search, query_brave_search, query_ddg_search, query_google_patents
 
-logging.basicConfig(level=logging.INFO)
+logging.basicConfig(
+    level=logging.INFO,
+    format='[%(asctime)s][%(levelname)s][%(filename)s:%(lineno)d]: %(message)s',
+    datefmt='%Y-%m-%d %H:%M:%S'
+)
 
 # playwright global context
 playwright = None