Christos Hrafailidis developed comprehensive documentation for the Creator Profile Heatmap feature in the duneanalytics/dune-docs repository. He focused on clarifying how user activity is measured and calculated, providing detailed explanations and a new visual asset to illustrate daily contribution tracking. Using Markdown and technical writing skills, Christos improved the onboarding experience and enhanced the maintainability of the documentation. His work addressed the need for clearer analytics by specifying which contributions count toward daily activity, supporting both users and product analytics alignment. The documentation updates were managed through version-controlled workflows, demonstrating attention to detail and a methodical approach to technical communication.