Built a full-stack system to transform negative user experiences into actionable preventive rules using AI-driven analysis. Designed relational data models (AntiVisionEntry, Pattern, Rule) with JPA/Hibernate to manage entity relationships and persistence. Developed RESTful services using layered architecture (Controller ? Service ? Repository) ensuring modular and maintainable code. Integrated Gemini AI using Java HttpClient and JSON parsing, with fallback handling for consistent system behavior