Yossaphol developed foundational user interface scaffolding for assessment flows in the OffLearn repository, focusing on pre-test, test results, and quiz modules. Using Java, JavaFX, and FXML, he established modular UI templates and Java classes to support data-driven assessment views, while enhancing the pre-test interface to display detailed subject and instructor information and adding clear learner actions. His work included refactoring the quiz package structure and FXML paths to improve maintainability and testability. Although no customer-facing bugs were closed, Yossaphol’s contributions laid a robust groundwork for future UI development, addressing integration challenges and enabling richer learner and instructor experiences.