Optimizing Game Character AI Behaviors

Design a game AI system that incorporates a combination of machine learning algorithms and decision trees to optimize character behavior in a open-world game. Consider factors such as resource management, combat tactics, and NPC (non-player character) interactions. Develop a framework that allows for real-time adaptation to player actions and environmental changes. Include a detailed explanation of the system's architecture, algorithm selection, and training process. Ensure that the AI system is able to learn from player feedback and adapt to new situations, while maintaining a balance between player freedom and narrative progression.