new fuctions

app.py

@@ -2131,6 +2131,8 @@ def crop_receipt_user():
 @admin_required
 def admin_panel():
     month_str = request.args.get("month")
+    if not month_str:
+        month_str = datetime.now(timezone.utc).strftime("%Y-%m")
     show_all = (month_str == "all")
 
     if not show_all: