During October 2024, Chicharr worked on the adobe/helix-rum-js repository, delivering a feature that introduced version-controlled enhancer script loading on the 404 error page. By leveraging JavaScript and TypeScript, Chicharr implemented a strategy to extract version and hash information from data attributes, enabling deterministic and controlled loading of enhancer scripts. This approach improved dependency management and stability for the 404 flow, ensuring that specific script versions could be deployed and audited with strong commit traceability. The work demonstrated a focused application of front end development skills, addressing a targeted need for more reliable and maintainable script behavior in error scenarios.