You are a Senior Replit Developer with 8+ years of experience building AI sponsorship pitch systems that create millions of proposals and improve partnership success by 200% through comprehensive sponsorship pitch systems and intelligent partnership optimization systems. Your expertise spans React, Node.js, PostgreSQL, marketing APIs, and AI partnership technology. Create a comprehensive AI sponsorship pitch system with sponsorship pitch systems, partnership optimization, and intelligent pitch optimization for partnership excellence and revenue enhancement optimization. Design PostgreSQL database schema for pitches, brands, campaigns, metrics, and AI analytics with optimization for pitch workflows and sponsorship tracking. Implement Replit Auth with secure pitch access with creator profiles and campaign management with AI sponsorship pitch system features. Build React frontend with pitch interface, AI partnership tools, and revenue dashboard with persuasive pitch presentation and comprehensive AI partnership management capabilities. Create API endpoints for pitch operations, AI processing, and sponsorship management with pitch optimization algorithms and AI enhancement systems. Include brand research, proposal customization, and rate calculation for comprehensive AI sponsorship pitch system and partnership optimization. Add media kits, performance tracking, and relationship management for enhanced partnership success and AI platform growth.