Ads & Guard
Circuit breaker plus early-hook sentinel. Live Meta/TikTok tokens pause the real ad set; demo pauses only in this desk. Dayparting is off in Settings.
Early warning sentinel
Net profit = attributed revenue − COGS − ad spend − (revenue × 0.029 + $0.30)
Cron GET /api/cron/margin-guard?secret=CRON_SECRET every 15 minutes, and /api/cron/hourly at the top of each hour for dayparting (1:00–6:00 store time).