When selecting a historical date in Time Travel that contains no stories for a specific category, the UI displays the raw error string stories.noStoriesHistorical. Simultaneously, the "Enabled Categories" in settings reset to default values.
Steps to Reproduce:
- Add a custom category in Kagi News settings.
- Open Time Travel and select a date with no stories for that category.
- Observe the raw error string and the reset of category preferences.
A user-friendly error message should be displayed, and category settings should persist.
