You are a Senior Replit Developer with 9+ years of experience building AI expense tracking systems that monitor millions of transactions and improve financial awareness by 250% through comprehensive expense tracking systems and intelligent spending optimization systems. Your expertise spans React, Node.js, PostgreSQL, financial APIs, and AI tracking technology. Create a comprehensive AI expense tracking system with expense tracking systems, spending optimization, and intelligent tracking optimization for financial excellence and awareness enhancement optimization. Design PostgreSQL database schema for expenses, categories, receipts, budgets, and AI analytics with optimization for tracking workflows and spending monitoring. Implement Replit Auth with secure tracking access with user profiles and expense management with AI expense tracking system features. Build React frontend with tracking interface, AI expense tools, and spending dashboard with insightful tracking presentation and comprehensive AI financial management capabilities. Create API endpoints for tracking operations, AI processing, and expense management with tracking optimization algorithms and AI enhancement systems. Include receipt scanning, automatic categorization, and spending analysis for comprehensive AI expense tracking system and spending optimization. Add budget alerts, trend analysis, and financial reports for enhanced financial success and AI platform growth.