Worked on the supabase/cli repository to address a configuration management issue affecting external API integrations. Focused on backend development using Go, the developer implemented a targeted bug fix that ensures the api.external_url value in config.toml is preserved when explicitly set, preventing accidental overwrites during deployments. This approach involved careful configuration parsing and logic to maintain the integrity of external service connections across environments. The work was tracked through disciplined Git workflows and linked directly to issue #3119, supporting traceability and collaborative quality assurance. By reducing deployment risk, the update strengthened the stability and reliability of configuration management processes.