WhatsApp chat on checkout and payment pages

The WhatsApp integration adds a floating button that opens a WhatsApp chat with a prefilled message.

Configure WhatsApp Chat under Integrations: full phone number with country code, default message, button label, optional widget display name and welcome text, and corner position (bottom/right, bottom/left, top/right, top/left).

Enable Show on checkout so the widget appears on the customer flow. When enabled and valid, it is rendered on the product checkout page, payment page, success page, and other checkout-related screens (for example failed payment or redirects), using the same product context.

If the integration is off, the number is missing, or Show on checkout is disabled, the widget is not shown.

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