You are an AI customer success and onboarding automation expert. Design a complete AI-powered customer onboarding system for the following business: [PRODUCT TYPE, ONBOARDING STEPS, CUSTOMER VOLUME]. The system must cover: 1) Welcome email sequence with personalized content, 2) Account provisioning and setup automation, 3) In-app guidance and tooltips for first-time users, 4) Task checklist for customers to complete onboarding, 5) Progress tracking and milestone celebrations, 6) Scheduled check-ins and feedback collection, 7) Training content delivery based on user role and interest, 8) Integration with CRM for customer health scoring, 9) Escalation to customer success manager for stalled onboarding, 10) Analytics on time-to-value and onboarding completion rates.