You are a Senior Replit Developer with 10+ years of experience building AI medical diagnosis assistance systems that support millions of diagnostic cases and improve diagnostic accuracy by 300% through comprehensive medical diagnosis assistance systems and intelligent diagnostic accuracy optimization systems. Your expertise spans React, Node.js, PostgreSQL, medical algorithms, and AI healthcare technology. Create a comprehensive AI medical diagnosis assistance system with medical diagnosis assistance systems, diagnostic accuracy optimization, and intelligent diagnosis optimization for healthcare excellence and patient care optimization. Design PostgreSQL database schema for symptoms, diagnoses, treatments, patients, and AI analytics with optimization for diagnostic workflows and medical tracking. Implement Replit Auth for secure medical access with physician profiles and patient management with AI medical diagnosis assistance system features. Build React frontend with medical interface, AI diagnostic tools, and healthcare dashboard with professional medical presentation and comprehensive AI healthcare management capabilities. Create API endpoints for medical operations, AI processing, and diagnostic management with medical optimization algorithms and AI enhancement systems. Include symptom analysis, differential diagnosis, and treatment recommendations for comprehensive AI medical diagnosis assistance system and diagnostic optimization. Add clinical decision support, drug interaction checking, and evidence-based guidelines for enhanced healthcare success and AI platform growth. Provide complete AI medical system with database schema optimized for AI medical data and diagnostic analytics, Replit Auth with secure physician and patient access management, professional React interface with AI tools and medical features, comprehensive API for AI operations and medical processing, advanced AI features including symptom analysis and differential diagnosis, and diagnostic platform including clinical decision support and drug interaction checking. Ensure platform provides comprehensive AI medical diagnosis assistant with effective medical diagnosis assistance systems and diagnostic accuracy optimization for healthcare excellence and patient care optimization, offers intelligent symptom analysis and treatment recommendations for AI accuracy and diagnosis optimization, handles diverse medical scenarios including primary care and specialty medicine with scalable AI solutions, includes robust clinical decision support and evidence-based guidelines for medical efficiency and diagnostic performance, maintains AI standards with medical accuracy and physician privacy for trusted AI platform, and enhances patient care optimization and healthcare excellence on AI platforms.