During April 2026, work focused on enhancing the CherryHQ/cherry-studio repository by addressing a reliability issue in the /v1/images/edits API. The developer implemented a targeted fix in TypeScript, updating backend logic to ensure that image uploads without file extensions default to the image/png MIME type. This change introduced safe fallback handling for blob uploads, preventing API rejections and maintaining compatibility for files with valid extensions. The solution involved modifying core image processing paths and updating data URL emission for base64 payloads. The work demonstrated attention to stability and backward compatibility, leveraging skills in API development and backend engineering.