- Add SoundManager with Web Audio API synthesized sounds (stroke error, drawing complete, session complete)
- Add sound effects toggle in settings (persisted via localStorage)
- Improve stroke recognition: curvature similarity, max point deviation, stroke length ratio checks
- Loosen thresholds for long strokes and first-stroke positioning
- Implement instant locale switching (no save required)
- Add ScrambleText component with character-by-character morphing animation
- Apply ScrambleText globally across all views, widgets, and dialogs
- Add i18n keys for sound effects settings (EN/DE/JA)
Crylia
049eaa1807