Worked on enhancing the supabase/supabase repository by updating documentation to streamline local testing for Supabase Auth integration. Focused on clarifying environment variable requirements and setup steps within the Deno server context, the work aimed to reduce friction for developers configuring authentication locally. Incorporated feedback from code reviews and collaborated with other contributors to ensure the guidance aligned with best practices and team standards. Utilized Markdown for technical writing and documentation, emphasizing clear communication and operational accuracy. The updates improved developer workflows by making local testing procedures more accessible, ultimately supporting faster iteration and higher product quality for authentication features.