UI cleanup

app.py

@@ -432,6 +432,7 @@ def log_payment():
         total = float(data.get('total', 0))
         balance_before = float(data.get('balance_before', 0))
         balance_after = float(data.get('balance_after', 0))
+        buyer = (data.get('buyer') or '').strip()
         cart_items = data.get('cart_items', [])  # [{id, name, price, qty, image}]
 
         # Deduct stock for each sold item
@@ -447,7 +448,7 @@ def log_payment():
         # Update balance atomically with payment log
         data_manager.set_balance(balance_after)
 
-        if data_manager.log_payment(items, total, balance_before, balance_after):
+        if data_manager.log_payment(items, total, balance_before, balance_after, buyer):
             return jsonify({'success': True})
         return jsonify({'success': False, 'message': 'Error logging payment'}), 400
     except Exception as e: