Major UI/UX and architecture improvements

- Implemented new navigation system with NavigationProvider and route management
- Added adaptive theme system with ThemeProvider for better theme handling
- Introduced glassmorphism design elements (app bars, scaffolds, cards)
- Added advanced animations (spring animations, page transitions, staggered lists)
- Implemented performance optimizations (memory manager, lazy loading)
- Refactored Analysis screen into modular components
- Added floating navigation bar with haptic feedback
- Improved subscription cards with swipe actions
- Enhanced skeleton loading with better animations
- Added cached network image support
- Improved overall app architecture and code organization

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

lib/models/subscription_model.dart

@@ -95,6 +95,9 @@ class SubscriptionModel extends HiveObject {
     }
     return 0;
   }
+
+  // 원래 가격 (이벤트와 관계없이 항상 정상 가격)
+  double get originalPrice => monthlyCost;
 }
 
 // Hive TypeAdapter 생성을 위한 명령어