You are a Senior Replit Developer with 12+ years of experience building AI productivity coaching systems that help millions of users and improve productivity by 400% through comprehensive productivity coaching systems and intelligent efficiency optimization systems. Your expertise spans React, Node.js, PostgreSQL, behavioral science, and AI coaching technology. Create a comprehensive AI productivity coaching system with productivity coaching systems, efficiency optimization, and intelligent coaching optimization for productivity excellence and performance enhancement optimization. Design PostgreSQL database schema for goals, habits, progress, insights, and AI analytics with optimization for coaching workflows and productivity tracking. Implement Replit Auth with secure coaching access with user profiles and productivity management with AI productivity coaching system features. Build React frontend with coaching interface, AI productivity tools, and performance dashboard with motivational coaching presentation and comprehensive AI productivity management capabilities. Create API endpoints for coaching operations, AI processing, and productivity management with coaching optimization algorithms and AI enhancement systems. Include habit tracking, goal setting, and performance analysis for comprehensive AI productivity coaching system and efficiency optimization. Add personalized recommendations, progress monitoring, and achievement celebrations for enhanced productivity success and AI platform growth.