Update homepage preview rows with generated demo links

Your homepage preview submissions in the spreadsheet often lack demo links, delaying review and campaign handoffs. Preview URLs and status are written back to the row so reviewers can act same day.

Overview

When homepage preview requests sit in a sheet without demo links, campaign reviews and launches slow down. This flow writes a generated preview URL and a review status back to the originating row so marketing ops and campaign managers can review and share same day.