During November 2024, David developed a per-page Comment Visibility Control feature for the blackraspberryyy/kippian-wiki repository. He implemented a frontmatter-driven approach using TypeScript and Markdown, allowing editors to toggle comment visibility on individual pages by setting a 'comments' flag in the page metadata. This solution integrated seamlessly with the existing rendering pipeline, preserving backward compatibility and requiring minimal code changes. By enabling conditional UI rendering based on frontmatter, David improved content governance and reduced moderation overhead. His work demonstrated a strong grasp of front-end development and documentation practices, delivering a targeted feature with clear business and technical value.