Standardize customer-facing Ladill Pay checkout shells across products, open them on all viewports, and escape iframe callbacks back to the product flow.
Utility QR types only (URL, WiFi, link list, business, app download) with
SSO, Billing API integration, public /q resolver, and qr-plus:import for
platform migration. vCard and commerce types stay on the platform.
Co-authored-by: Cursor <cursoragent@cursor.com>