16s landscape (1920x1080): shows SquareMCP chat prompt triggering an
animated cURL call to the Business Management API creating a message
template (HEADER/BODY/FOOTER components with variables), then the right
panel renders a WhatsApp phone UI previewing the template bubble with
variable placeholders highlighted and a PENDING status badge.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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