scheduler.php: after host1.conf save in setup mode, redirect to
?tab=partnership&vv_onboard=1 instead of Monitor.
HOST2+ still redirects to Monitor (they don't manage the partnership).
partnership.php: detects vv_onboard=1 URL param after actions render.
Adds pulse animation + box-shadow to the Onboard button and scrolls
it into view. One-shot — gone when user navigates away.