Worked on the phoenixframework/phoenix repository to refactor text data handling in the user interface, replacing legacy text field inputs with textarea elements to better align with the underlying data model. Focused on improving developer experience by updating both the UI and documentation, ensuring that all references and examples consistently reflect the new textarea approach. Utilized Elixir and JavaScript within the Phoenix framework to implement these changes, emphasizing clarity and reducing migration friction for developers. The work enhanced onboarding and maintained consistency across the codebase by standardizing text data representation, addressing both technical and documentation aspects within a single feature update.