[BUG]: Inaccurate total read time

In the reading statistics tab, the total read time panel shows "less than a minute" despite the header text acknowledging a total of 2 hours and 56 minutes in this week. Perhaps this is a bug in parsing the statistics db?

<img width="995" height="240" alt="Image" src="https://github.com/user-attachments/assets/2249a716-be50-4e66-b704-7b90c3b97840" />