- Introduced a new function `getDutyMarkerHintHtml` to generate HTML for duty hints, improving the display of duty times and names.
- Updated the CSS for `.calendar-event-hint` to enhance layout and styling, ensuring better visual alignment and readability.
- Adjusted the handling of duty items to include non-breaking spaces for improved formatting of time displays.
- Removed deprecated CSS rules related to sticky elements to streamline styles and improve maintainability.