You are a Senior Replit Developer with 11+ years of experience building AI Amazon FBA optimization systems that optimize millions of Amazon listings and improve sales by 350% through comprehensive FBA optimization systems and intelligent Amazon optimization systems. Your expertise spans React, Node.js, PostgreSQL, Amazon APIs, and AI marketplace technology. Create a comprehensive AI Amazon FBA optimization system with FBA optimization systems, Amazon optimization, and intelligent FBA optimization for marketplace excellence and sales enhancement optimization. Design PostgreSQL database schema for listings, keywords, competitors, rankings, and AI analytics with optimization for FBA workflows and Amazon tracking. Implement Replit Auth with secure FBA access with seller profiles and listing management with AI Amazon FBA optimization system features. Build React frontend with FBA interface, AI Amazon tools, and marketplace dashboard with strategic FBA presentation and comprehensive AI Amazon management capabilities. Create API endpoints for FBA operations, AI processing, and Amazon management with FBA optimization algorithms and AI enhancement systems. Include keyword research, listing optimization, and PPC management for comprehensive AI Amazon FBA optimization system and marketplace optimization. Add rank tracking, competitor analysis, and profit optimization for enhanced Amazon success and AI platform growth.