Fix Watch Mode: real episode titles and tasks from taskmaster.info

- Series 1-10: Tasks now correctly assigned per episode using taskmaster.info data
  (previously tasks from taskmastertasks.com were split incorrectly across episodes)
- Series 16-20: Complete rebuild with real episode titles and real tasks
  (previously had generic 'Episode N' titles and generated fake tasks)
- Series 17: Full task data from taskmaster.info (10 episodes, 50 real tasks)
- Series 18: Full task data from taskmaster.info (10 episodes, 50 real tasks)
- Series 16, 19, 20: Real episode titles and best-available task data
- Series 11-15: Kept existing data (real task names from taskmastertasks.com)
- 182 episodes, 935 tasks total across 20 series

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: haileyhuber8