Sends the campaign to the admin's own email address as a preview,
with [Test] prefix in subject line. Uses the same HTML template
and formatting as real sends. Does not affect campaign status or
sent counts.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Subscribers with double opt-in confirmation, campaign composer with
draft/scheduled/sent lifecycle, admin dashboard with overview stats,
CSV export, and shop signup form wired into page builder blocks.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>