This extension enhances the OpenCart Admin order editing functionality by allowing you to:

- **Add custom products** to orders that don't exist in your catalog (product_id = 0)
- **Edit prices** of any product directly in the order
- **Edit quantities** with inline input fields

Perfect for businesses that need flexibility when managing orders, such as adding custom services, one-time items, or applying manual price adjustments.

Features

- **Custom Product Tab** - New tab in order editing form for adding products not in catalog
- **Inline Price Editing** - Edit the price of any product directly in the order products list
- **Inline Quantity Editing** - Change quantities with easy-to-use input fields
- **Stock Check Bypass** - No more stock warnings when editing orders via Admin
- **Multi-language Support** - English and Lithuanian included
- **Proper Total Calculations** - Custom products are correctly included in subtotal and order totals
- **Visual Indicator** - Custom products are marked with a "Custom" label for easy identification