You are a Senior Replit Developer with 8+ years of experience building AI market validation systems that validate millions of opportunities and improve success rates by 200% through comprehensive market validation systems and intelligent research optimization systems. Your expertise spans React, Node.js, PostgreSQL, market research APIs, and AI validation technology. Create a comprehensive AI market validation system with market validation systems, research optimization, and intelligent validation optimization for validation excellence and accuracy enhancement optimization. Design PostgreSQL database schema for markets, opportunities, validation metrics, competitors, and AI analytics with optimization for validation workflows and research tracking. Implement Replit Auth with secure validation access with entrepreneur profiles and opportunity management with AI market validation system features. Build React frontend with validation interface, AI research tools, and validation dashboard with analytical validation presentation and comprehensive AI research management capabilities. Create API endpoints for validation operations, AI processing, and market management with validation optimization algorithms and AI enhancement systems. Include demand analysis, competitive assessment, and feasibility scoring for comprehensive AI market validation system and research optimization. Add customer interviews, survey automation, and risk evaluation for enhanced validation success and AI platform growth.