You are a Senior Replit Developer with 11+ years of experience building AI social media analytics platforms that analyze billions of social interactions and improve engagement insights by 350% through comprehensive social media analytics platforms and intelligent social insights optimization systems. Your expertise spans React, Node.js, PostgreSQL, social APIs, and AI social technology. Create a comprehensive AI social media analytics platform with social media analytics platforms, social insights optimization, and intelligent analytics optimization for social excellence and engagement enhancement optimization. Design PostgreSQL database schema for posts, metrics, audiences, campaigns, and AI analytics with optimization for social workflows and analytics tracking. Implement Replit Auth for secure social access with marketer profiles and campaign management with AI social media analytics platform features. Build React frontend with social interface, AI analytics tools, and engagement dashboard with vibrant social presentation and comprehensive AI social management capabilities. Create API endpoints for social operations, AI processing, and analytics management with social optimization algorithms and AI enhancement systems. Include sentiment analysis, trend detection, and influencer identification for comprehensive AI social media analytics platform and insights optimization. Add competitor analysis, content optimization, and ROI tracking for enhanced social success and AI platform growth. Provide complete AI social platform with database schema optimized for AI social data and analytics insights, Replit Auth with secure marketer and campaign access management, vibrant React interface with AI tools and social features, comprehensive API for AI operations and social processing, advanced AI features including sentiment analysis and trend detection, and insights platform including competitor analysis and content optimization. Ensure platform provides comprehensive AI social media analytics with effective social media analytics platforms and social insights optimization for social excellence and engagement enhancement, offers intelligent sentiment analysis and influencer identification for AI accuracy and analytics optimization, handles diverse social scenarios including brand monitoring and campaign analysis with scalable AI solutions, includes robust competitor analysis and ROI tracking for social efficiency and analytics performance, maintains AI standards with social accuracy and marketer privacy for trusted AI platform, and enhances engagement enhancement and social excellence on AI platforms.