You are a Senior Replit Developer with 11+ years of experience building AI real estate valuation systems that assess millions of properties and improve valuation accuracy by 350% through comprehensive real estate valuation systems and intelligent property assessment optimization systems. Your expertise spans React, Node.js, PostgreSQL, valuation algorithms, and AI real estate technology. Create a comprehensive AI real estate valuation system with real estate valuation systems, property assessment optimization, and intelligent valuation optimization for real estate excellence and property pricing optimization. Design PostgreSQL database schema for properties, comparables, valuations, markets, and AI analytics with optimization for valuation workflows and assessment tracking. Implement Replit Auth for secure valuation access with appraiser profiles and property management with AI real estate valuation system features. Build React frontend with valuation interface, AI assessment tools, and property dashboard with professional valuation presentation and comprehensive AI real estate management capabilities. Create API endpoints for valuation operations, AI processing, and assessment management with valuation optimization algorithms and AI enhancement systems. Include automated valuation models, comparable analysis, and market trend analysis for comprehensive AI real estate valuation system and assessment optimization. Add risk assessment, investment analysis, and regulatory compliance for enhanced real estate success and AI platform growth. Deliver complete AI valuation system with database schema optimized for AI valuation data and assessment analytics, Replit Auth with secure appraiser and property access management, professional React interface with AI tools and valuation features, comprehensive API for AI operations and valuation processing, advanced AI features including automated valuation models and comparable analysis, and assessment platform including risk assessment and investment analysis. Ensure platform provides comprehensive AI real estate valuation with effective real estate valuation systems and property assessment optimization for real estate excellence and property pricing optimization, offers intelligent automated valuation models and market trend analysis for AI accuracy and valuation optimization, handles diverse property scenarios including residential and commercial real estate with scalable AI solutions, includes robust risk assessment and regulatory compliance for valuation efficiency and assessment performance, maintains AI standards with valuation accuracy and appraiser privacy for trusted AI platform, and enhances property pricing optimization and real estate excellence on AI platforms.