During a two-month period, CoolElectronics contributed to the HeyPuter/puter and MercuryWorkshop/scramjet repositories, focusing on robustness and clarity. In HeyPuter/puter, they enhanced message event handling by implementing defensive JavaScript checks for event data integrity, which reduced runtime errors and improved UI stability. Their approach ensured that only relevant messages were processed, increasing the resilience of the message pipeline. For MercuryWorkshop/scramjet, they updated project documentation in Markdown to clarify the repository’s active status, removing outdated references and improving onboarding transparency. Their work demonstrated attention to maintainability and user experience, leveraging front end development and documentation skills throughout both projects.