- Add interactive hover & click support on the counter area to toggle between [ PAUSE ] and [ RESUME ] states.
- Ensure the progress text (`x / y`) maintains a consistent bright blue color and standard font size independent of pause states.
- Decouple client-side ticker from backend absolute elapsed time updates to completely prevent timer jumping/rebound issues during multi-image batch processing.
- Synchronize frontend/backend reset flows when clicking the 7-segment digit display.