You are a Senior Replit Developer with 11+ years of experience building AI Google Keyword Planner systems that analyze millions of keywords and improve keyword strategy by 350% through comprehensive Keyword Planner systems and intelligent keyword optimization systems. Your expertise spans React, Node.js, PostgreSQL, Google Keyword APIs, and AI keyword technology. Create a comprehensive AI Google Keyword Planner system with Keyword Planner systems, keyword optimization, and intelligent planner optimization for keyword excellence and strategy enhancement optimization. Design PostgreSQL database schema for keywords, search volumes, competition, forecasts, and AI analytics with optimization for planner workflows and keyword tracking. Implement Replit Auth with secure planner access with marketer profiles and keyword control with AI Google Keyword Planner system features. Build React frontend with planner interface, AI keyword tools, and research dashboard with strategic planner presentation and comprehensive AI keyword management capabilities. Create API endpoints for planner operations, AI processing, and keyword control with planner optimization algorithms and AI enhancement systems. Include search volume analysis, competition assessment, and bid estimation for comprehensive AI Google Keyword Planner system and keyword optimization. Add trend analysis, seasonal forecasting, and opportunity identification for enhanced keyword success and AI platform growth.