Andor Kovacs integrated Playwright-based end-to-end testing into the microsoft/DefinitelyTyped-tools repository by updating dependency management configurations. He enabled the use of the '@playwright/test' package by adding it to the allowedPackageJsonDependencies.txt file, ensuring Playwright could be adopted within the project’s automated testing workflows. This configuration work established a foundation for scalable test automation, improving the reliability of continuous integration and supporting faster feedback cycles for developers. Andor’s contributions focused on dependency management and configuration using text-based configuration files, addressing the need for robust quality assurance in the DefinitelyTyped-tools ecosystem. The work was targeted, foundational, and technically precise.