Mahmud Sami contributed to the longTREC/summer_school repository by enhancing branding consistency and improving onboarding resources over a two-month period. He integrated the LongTREC branding logo into the Introduction Page, resolving display issues by updating Markdown image paths and references to ensure reliable asset loading. Additionally, he organized and uploaded the Theory Day1 Mapping Resource, supporting self-paced learning without requiring code changes. His work focused on documentation and asset management using Markdown, maintaining clear repository structure and version control discipline. The depth of his contributions lay in meticulous content organization and robust documentation practices, directly supporting user experience and repository maintainability.