Lazy Halt Shelf Arc

Spaced repetition system calculating review intervals based on recall performance
- 3D rotational flip animations for oscillating between card faces during study
- Organizational deck structure for grouping flashcards with custom naming
- Counter for identifying cards requiring immediate review based on timestamps
- Difficulty-based scoring buttons (Again, Hard, Good, Easy) for scheduling
- Persistent local storage for flashcard content, deck lists, and review history
- Visual progress trackers displaying current position within the study queue
- Integrated haptic feedback triggers optimized for repetitive review actions