Ethics at the Front-End: Responsible User-Facing Design for AI Systems. - Dorian Peters; Tomasz Hollanek; Naseem Ahmadpour; Rafael A. Calvo; Sai Shruthi Chivukula; Christian Dindler; Colin M. Gray; Shaimaa Lazem; Gizem Öz; Nadia Piet (CHI Extended Abstracts, 2026)