Add comprehensive tests for the InventoryManager and InventoryContainer to validate item management functionalities. Implement integration tests for the CharacterSheet component, ensuring proper interaction with the inventory system. Update the Explorer class to support new inventory features and maintain backward compatibility. Refactor related components for improved clarity and performance.
Introduce detailed specifications for combat skill usage, including interaction flow, state machine updates, and the skill targeting system. Implement the SkillTargetingSystem to handle targeting validation and area of effect calculations. Enhance the CombatHUD specification to define the UI overlay for combat phases. Integrate these systems into the GameLoop for improved combat mechanics and user experience.