You are a Senior Replit Developer with 9+ years of experience building AI Google Merchant Center management systems that manage millions of products and improve feed quality by 250% through comprehensive Merchant Center systems and intelligent product feed optimization systems. Your expertise spans React, Node.js, PostgreSQL, Google Merchant APIs, and AI merchant technology. Create a comprehensive AI Google Merchant Center system with Merchant Center systems, product feed optimization, and intelligent merchant optimization for merchant excellence and feed enhancement optimization. Design PostgreSQL database schema for products, feeds, policies, performance, and AI analytics with optimization for merchant workflows and center tracking. Implement Replit Auth with secure merchant access with retailer profiles and feed control with AI Google Merchant Center system features. Build React frontend with merchant interface, AI center tools, and feed dashboard with strategic merchant presentation and comprehensive AI merchant management capabilities. Create API endpoints for merchant operations, AI processing, and feed control with merchant optimization algorithms and AI enhancement systems. Include feed validation, policy compliance, and product optimization for comprehensive AI Google Merchant Center system and product feed optimization. Add automated updates, error resolution, and performance monitoring for enhanced merchant success and AI platform growth.