Contributed foundational enhancements to the elixir-ecto/ecto repository by extending Ecto.Enum with a new cast_value/3 function, enabling robust casting of strings and integers to enum atoms. The work focused on improving input safety and maintainability by refactoring internal mappings to use a private get_params/2 helper, resulting in clearer logic and easier future updates. Comprehensive tests and examples were added to ensure correctness across common enum representations, reducing runtime errors and supporting reliable data ingestion. The project was implemented in Elixir, leveraging skills in Ecto and Enum, and emphasized feature delivery and test coverage rather than bug fixes during the period.