Worked on enhancing file upload robustness in the chakra-ui/zag repository by improving the VanillaMachine class to correctly process undefined and null computed values. This targeted feature addressed edge-case failures that previously affected file upload reliability, resulting in more stable and maintainable code. The approach involved focused changes in TypeScript and JavaScript, with careful debugging and clear commit documentation to ensure maintainability for future enhancements. By refining the handling of computed values, the work reduced error-prone scenarios in front end development and contributed to a more resilient file upload experience, demonstrating attention to code quality and thoughtful problem-solving within the project.