Advanced AI Prompt for SaaS Trial Onboarding Drip Sequence

Act as a SaaS Lifecycle Marketing Architect. Engineer a highly behavioral, fully automated email onboarding sequence specifically designed to brutally crush Day-1 to Day-30 churn. The narrative must aggressively drive users toward the critical [CORE_AHA_MOMENT] within the first 48 hours. Enforce this strict architecture across the [TRIAL_DURATION_DAYS]: Day 0 is the 'Quick Win', Day 2 violently attacks the primary [CHURN_REASON] with a step-by-step video tutorial, Day 4 drops undeniable social proof from an enterprise client, and Day 7 deploys the psychological Expiration Countdown. You must maintain an intensely helpful, highly authoritative, and urgency-driven tone, completely avoiding feature-dumping in favor of workflow outcomes.