Contributed to the foundryvtt/pf2e repository by enhancing configuration management and front end reliability for Pathfinder 2e game modules. Over two months, addressed configuration inconsistencies in Spellheart mechanics by introducing new trait configurations, ensuring affixation items were accurately recognized and handled. Improved the Item Attacher UI by resolving selection bugs, allowing user choices to be correctly registered. Developed new talisman trait mappings to support advanced item behaviors, increasing flexibility for game configuration. All changes were implemented in TypeScript, demonstrating careful version control and a focus on maintainable, robust solutions that improved both gameplay reliability and user experience within the module.