Ivan Rusia enhanced the Confirmation UI in the core-ds/core-components repository by extending the 'texts' prop to support both domestic and international phone numbers, rendering them as tel: links for direct user contact. Using React and TypeScript, Ivan focused on component development and front-end implementation, ensuring that phone numbers are displayed intuitively and can be dialed directly from the interface. This targeted feature addressed user outreach and verification workflow friction, while also laying groundwork for future internationalization. The work was feature-driven, with clear ownership and maintainability, and did not involve bug fixes during the period, reflecting a focused engineering contribution.