During March 2025, this developer contributed foundational inventory modeling to the pacalso-jjc/2425-2nd-cc3-1b-rpg repository by introducing an Item class within the system’s Class Diagram. The work defined key attributes such as name, description, rarity, value, and quantity, establishing a dedicated inventory entity to support future inventory management features. The technical approach emphasized clear diagramming and thorough documentation, using Markdown to create traceable design artifacts that facilitate maintainability and onboarding for future contributors. While the focus was on feature development rather than bug fixes, the contribution laid essential groundwork for scalable inventory systems within the project’s architecture.