Worked on the is-a-dev/register repository to enhance domain configuration management by introducing a standardized JSON settings file and restructuring domain records under a dedicated key. Focused on improving data correctness, the developer ensured accurate ownership metadata, which strengthens traceability and supports future automation in domain provisioning. Leveraging skills in configuration management, data management, and data structure management, the work addressed both feature development and bug resolution within a single month. All changes were implemented using JSON, with careful attention to metadata integrity and collaborative commit practices, resulting in a more reliable and maintainable domain configuration lifecycle for the repository.