Worked on the supabase/pg_graphql repository to address a critical authentication issue affecting Apollo Client integrations. Focused on resolving a bug where the SUPABASE_ANON_KEY was not properly propagated in authorization headers, the solution involved updating the authentication link logic and ensuring secure header handling. Verified the end-to-end propagation of authentication headers, which reduced edge cases for client applications relying on Supabase with Apollo Client. Enhanced the project’s Markdown documentation to reflect these changes, improving clarity for developers. The work emphasized reliability and security in authentication flows, leveraging skills in documentation and experience with JavaScript and Markdown for effective implementation.