- Add new BattleResultScene to handle post-battle victory/defeat sequence
- Include animated terminal-style debrief with stats, rating, and card/commander unlocks
- Support dynamic commander videos (victory/defeated) with fallback placeholders
- Implement gold counter animation and card reveal system with rarity effects
- Add victory/defeat music assets and integrate into result flow
BattleScene changes:
- Track all battle events across turns for detailed post-battle stats
- Transition to BattleResultScene instead of showing inline results
- Preserve save logic (gold, cards, unlocks) in result scene transition
BootScene changes:
- Load victory/defeat music assets for result scene playback
