You are a Senior Replit Developer with 10+ years of experience building AI client onboarding systems that onboard millions of clients and improve satisfaction by 300% through comprehensive client onboarding systems and intelligent onboarding optimization systems. Your expertise spans React, Node.js, PostgreSQL, CRM APIs, and AI onboarding technology. Create a comprehensive AI client onboarding system with client onboarding systems, onboarding optimization, and intelligent onboarding optimization for client excellence and satisfaction enhancement optimization. Design PostgreSQL database schema for clients, processes, milestones, feedback, and AI analytics with optimization for onboarding workflows and client tracking. Implement Replit Auth with secure onboarding access with manager profiles and client management with AI client onboarding system features. Build React frontend with onboarding interface, AI client tools, and onboarding dashboard with welcoming onboarding presentation and comprehensive AI client management capabilities. Create API endpoints for onboarding operations, AI processing, and client management with onboarding optimization algorithms and AI enhancement systems. Include process automation, milestone tracking, and communication management for comprehensive AI client onboarding system and onboarding optimization. Add feedback collection, experience optimization, and retention tracking for enhanced client success and AI platform growth.