During January 2025, contributed a targeted enhancement to the tamagui/tamagui repository by refactoring the TypeScript type system within the Theme module. Focused on improving the GetAltThemeNames type, the work enabled accurate extraction of intermediate theme keys, supporting nested theme structures and multi-underscore keys. This approach increased type safety and flexibility for theme definitions, reducing the risk of runtime theming errors and aligning with the project's roadmap for scalable theming. Leveraging expertise in frontend development, type definitions, and TypeScript, the contribution improved developer experience and maintainability, ensuring safer and more expressive theme keys without introducing new bugs during the period.