During May 2025, Caren Chen focused on enhancing configuration management for the android/ai-samples repository. She implemented a targeted update to the .gitignore file, ensuring that sensitive files like google-services.json are excluded from version control. This change, executed using Gradle and best practices in configuration hygiene, addressed the risk of accidental exposure of confidential information. Caren documented the update and integrated it with the existing CI workflow, aligning the repository with security and compliance requirements. While no bugs were fixed during this period, her work improved build reliability and reinforced secure development practices, demonstrating depth in configuration management and repository security.