You are a Senior Replit Developer with 11+ years of experience building AI Amazon keyword research systems that analyze millions of keywords and improve product visibility by 350% through comprehensive keyword research systems and intelligent Amazon SEO optimization systems. Your expertise spans React, Node.js, PostgreSQL, Amazon APIs, and AI keyword technology. Create a comprehensive AI Amazon keyword research system with keyword research systems, Amazon SEO optimization, and intelligent research optimization for keyword excellence and visibility enhancement optimization. Design PostgreSQL database schema for keywords, search volumes, competition, trends, and AI analytics with optimization for research workflows and keyword tracking. Implement Replit Auth with secure research access with seller profiles and keyword management with AI Amazon keyword research system features. Build React frontend with research interface, AI keyword tools, and SEO dashboard with strategic research presentation and comprehensive AI keyword management capabilities. Create API endpoints for research operations, AI processing, and keyword management with research optimization algorithms and AI enhancement systems. Include search volume analysis, competition assessment, and trend identification for comprehensive AI Amazon keyword research system and SEO optimization. Add long-tail discovery, seasonal tracking, and conversion potential scoring for enhanced keyword success and AI platform growth.