During a one-month engagement, this developer enhanced the CI workflow for the rees46/ios-sdk repository by implementing secure environment variable management within GitHub Actions. They introduced a YAML-based configuration that injects TEST_SHOP_ID and TEST_API_URL from GitHub Secrets, enabling automated testing in CI without exposing sensitive credentials. Focusing on CI/CD and leveraging GitHub Actions, their work streamlined pull request validation and improved test coverage consistency. No bug fixes were addressed during this period, as the primary objective was to strengthen the security and reliability of the CI pipeline. The contribution demonstrates depth in CI automation and secure configuration practices.