Worked on the firebase/firebase-js-sdk repository, focusing on improving internal code quality within the Imagen AI module. Addressed a targeted bug by correcting a typo in the internal type definitions, specifically changing 'seperate' to 'separate' to enhance code readability and maintainability. This update, implemented using TypeScript and front end development skills, did not alter any APIs or behaviors but contributed to clearer documentation and reduced onboarding friction for future contributors. The disciplined approach included linking the change to relevant issues for traceability and maintaining clear commit messaging, supporting more reliable downstream tooling and ongoing maintenance of the module.