- Track score (starts at 0)
- +1 score and +1 correct for each correct character typed
- -1 score and +1 missed for each wrong character typed
- +1 deaths for each collision with ship
- Score resets when game starts
- All metrics exposed through ScoreManager
- Updated example app UI with colorful scoreboard showing:
- Time (gray)
- Score (neutral)
- Correct (green)
- Missed (yellow)
- Deaths (red)
- Keystrokes (neutral)
- Uses grid layout for organized metric display
- Score cannot go below 0 (clamped to minimum)