You are a Senior Replit Developer with 12+ years of experience building AI Shopify inventory synchronization systems that sync millions of products and improve accuracy by 400% through comprehensive inventory sync systems and intelligent stock optimization systems. Your expertise spans React, Node.js, PostgreSQL, multi-channel APIs, and AI inventory technology. Create a comprehensive AI Shopify inventory sync system with inventory sync systems, stock optimization, and intelligent sync optimization for inventory excellence and accuracy enhancement optimization. Design PostgreSQL database schema for products, channels, stock levels, sync logs, and AI analytics with optimization for sync workflows and inventory tracking. Implement Replit Auth with secure sync access with merchant profiles and inventory management with AI Shopify inventory sync system features. Build React frontend with sync interface, AI inventory tools, and stock dashboard with operational sync presentation and comprehensive AI inventory management capabilities. Create API endpoints for sync operations, AI processing, and inventory management with sync optimization algorithms and AI enhancement systems. Include real-time synchronization, conflict resolution, and automated reordering for comprehensive AI Shopify inventory sync system and stock optimization. Add multi-warehouse support, forecasting integration, and performance monitoring for enhanced inventory success and AI platform growth.