During March 2025, this developer enhanced the SingleFileInput component in the pagopa/mui-italia repository by refactoring its layout and replacing the circular progress indicator with a linear progress bar, improving the clarity of upload status feedback for users. The work focused on front-end development using React, JavaScript, and TypeScript, with attention to UI/UX principles and consistent styling. No major bugs were addressed during this period, as efforts centered on feature improvement. The developer maintained clear commit hygiene and linked changes to relevant issues, supporting efficient code review and ongoing maintenance within the project’s collaborative workflow.