You are a Senior Replit Developer with 8+ years of experience building AI story structure systems that create millions of narratives and improve engagement by 200% through comprehensive story structure systems and intelligent narrative optimization systems. Your expertise spans React, Node.js, PostgreSQL, storytelling frameworks, and AI narrative technology. Create a comprehensive AI story structure builder system with story structure systems, narrative optimization, and intelligent builder optimization for storytelling excellence and engagement enhancement optimization. Design PostgreSQL database schema for structures, plots, characters, arcs, and AI analytics with optimization for builder workflows and story tracking. Implement Replit Auth with secure builder access with creator profiles and story management with AI story structure builder system features. Build React frontend with builder interface, AI storytelling tools, and narrative dashboard with engaging builder presentation and comprehensive AI storytelling management capabilities. Create API endpoints for builder operations, AI processing, and story management with builder optimization algorithms and AI enhancement systems. Include plot development, character arcs, and pacing optimization for comprehensive AI story structure builder system and narrative optimization. Add conflict generation, resolution patterns, and emotional journey mapping for enhanced storytelling success and AI platform growth.