feat(hall-of-fame): 명예의 전당 대폭 개선 및 장비/아이템 직렬화

- HallOfFameEntry에 finalEquipmentDetails 추가 (상세 장비 정보)
- EquipmentItem/ItemStats에 toJson/fromJson 직렬화 추가
- 명예의 전당 상세 다이얼로그 UI 대폭 개선
- Canvas 타운/워킹 애니메이션 컴포저 개선
- 캐릭터 생성 화면 UI 개선
- 게임 텍스트 다국어 지원 확장

lib/src/features/game/widgets/ascii_animation_card.dart

@@ -93,8 +93,8 @@ class _AsciiAnimationCardState extends State<AsciiAnimationCard> {
 
   // Composer 인스턴스들
   CanvasBattleComposer? _battleComposer;
-  final _walkingComposer = const CanvasWalkingComposer();
-  final _townComposer = const CanvasTownComposer();
+  CanvasWalkingComposer? _walkingComposer;
+  CanvasTownComposer? _townComposer;
   final _specialComposer = const CanvasSpecialComposer();
 
   // 전투 애니메이션 상태
@@ -370,12 +370,15 @@ class _AsciiAnimationCardState extends State<AsciiAnimationCard> {
 
       case AsciiAnimationType.town:
         _animationMode = AnimationMode.town;
+        _townComposer = CanvasTownComposer(raceId: widget.raceId);
 
       case AsciiAnimationType.walking:
         _animationMode = AnimationMode.walking;
+        _walkingComposer = CanvasWalkingComposer(raceId: widget.raceId);
 
       default:
         _animationMode = AnimationMode.walking;
+        _walkingComposer = CanvasWalkingComposer(raceId: widget.raceId);
     }
 
     // 일시정지 상태면 타이머 시작하지 않음
@@ -445,8 +448,10 @@ class _AsciiAnimationCardState extends State<AsciiAnimationCard> {
               _globalTick,
             ) ??
             [AsciiLayer.empty()],
-      AnimationMode.walking => _walkingComposer.composeLayers(_globalTick),
-      AnimationMode.town => _townComposer.composeLayers(_globalTick),
+      AnimationMode.walking =>
+        _walkingComposer?.composeLayers(_globalTick) ?? [AsciiLayer.empty()],
+      AnimationMode.town =>
+        _townComposer?.composeLayers(_globalTick) ?? [AsciiLayer.empty()],
       AnimationMode.special => _specialComposer.composeLayers(
         _currentSpecialAnimation ?? AsciiAnimationType.levelUp,
         _currentFrame,