Alexander Boxhorn enhanced the it-at-m/dave-frontend repository by focusing on frontend user experience improvements for data visualization components. He delivered targeted updates to chart tooltips, refining their readability and ensuring they remain within chart boundaries, which improved clarity for end users. Using Vue.js, Vuetify, and TypeScript, Alexander aligned styling and behavior across multiple chart components, promoting consistency and maintainability. He also addressed Zeitblock UI issues by implementing conditional rendering and disabling controls to prevent erroneous states. This work resulted in clearer data presentation, smoother user interactions, and reduced risk of UI errors in time-block workflows, demonstrating thoughtful engineering depth.