Offline QR Payment Gateway (IRIS)

Offline QR Payment Gateway (IRIS) adds a payment method for WooCommerce that shows a QR code and instructions. The order is placed on hold (or pending) until payment is confirmed.

Features: * Offline QR method (e.g. IRIS) * Admin media uploader for QR image * Compatible with both Classic Checkout and WooCommerce Cart/Checkout Blocks * “Unavailable state” toggle: method stays visible but cannot be selected * Optional unavailable message shown under the method and as a tooltip * Email injection for unpaid orders (CID inline QR + clickable link) * My Account order view block for unpaid orders * Optional uninstall cleanup