feat(hall-of-fame): 명예의 전당 상세 UI 및 전투 스탯 저장 추가

- CombatStats에 toJson/fromJson 직렬화 메서드 추가
- HallOfFameEntry에 finalStats(CombatStats) 필드 추가
- 명예의 전당 상세 다이얼로그에서 전투 스탯, 장비, 스펠 표시
- GameState에 combatStats 접근자 추가
- game_text_l10n에 명예의 전당 관련 텍스트 추가

lib/src/core/engine/progress_service.dart

@@ -287,8 +287,11 @@ class ProgressService {
         progress = progress.copyWith(currentCombat: combatForReset);
       }
 
-      // 전투 상태 초기화 및 물약 사용 기록 초기화
-      progress = progress.copyWith(currentCombat: null);
+      // 전투 상태 초기화, 몬스터 처치 수 증가 및 물약 사용 기록 초기화
+      progress = progress.copyWith(
+        currentCombat: null,
+        monstersKilled: progress.monstersKilled + 1,
+      );
       final resetPotionInventory = nextState.potionInventory.resetBattleUsage();
       nextState = nextState.copyWith(
         progress: progress,
@@ -1331,8 +1334,11 @@ class ProgressService {
       lastCombatEvents: lastCombatEvents,
     );
 
-    // 전투 상태 초기화
-    final progress = state.progress.copyWith(currentCombat: null);
+    // 전투 상태 초기화 및 사망 횟수 증가
+    final progress = state.progress.copyWith(
+      currentCombat: null,
+      deathCount: state.progress.deathCount + 1,
+    );
 
     return state.copyWith(
       equipment: emptyEquipment,

lib/src/core/model/combat_stats.dart

@@ -391,6 +391,60 @@ class CombatStats {
     );
   }
 
+  /// JSON으로 직렬화
+  Map<String, dynamic> toJson() {
+    return {
+      'str': str,
+      'con': con,
+      'dex': dex,
+      'intelligence': intelligence,
+      'wis': wis,
+      'cha': cha,
+      'atk': atk,
+      'def': def,
+      'magAtk': magAtk,
+      'magDef': magDef,
+      'criRate': criRate,
+      'criDamage': criDamage,
+      'evasion': evasion,
+      'accuracy': accuracy,
+      'blockRate': blockRate,
+      'parryRate': parryRate,
+      'attackDelayMs': attackDelayMs,
+      'hpMax': hpMax,
+      'hpCurrent': hpCurrent,
+      'mpMax': mpMax,
+      'mpCurrent': mpCurrent,
+    };
+  }
+
+  /// JSON에서 역직렬화
+  factory CombatStats.fromJson(Map<String, dynamic> json) {
+    return CombatStats(
+      str: json['str'] as int,
+      con: json['con'] as int,
+      dex: json['dex'] as int,
+      intelligence: json['intelligence'] as int,
+      wis: json['wis'] as int,
+      cha: json['cha'] as int,
+      atk: json['atk'] as int,
+      def: json['def'] as int,
+      magAtk: json['magAtk'] as int,
+      magDef: json['magDef'] as int,
+      criRate: (json['criRate'] as num).toDouble(),
+      criDamage: (json['criDamage'] as num).toDouble(),
+      evasion: (json['evasion'] as num).toDouble(),
+      accuracy: (json['accuracy'] as num).toDouble(),
+      blockRate: (json['blockRate'] as num).toDouble(),
+      parryRate: (json['parryRate'] as num).toDouble(),
+      attackDelayMs: json['attackDelayMs'] as int,
+      hpMax: json['hpMax'] as int,
+      hpCurrent: json['hpCurrent'] as int,
+      mpMax: json['mpMax'] as int,
+      mpCurrent: json['mpCurrent'] as int,
+    );
+  }
+
   /// 테스트/디버그용 기본값
   factory CombatStats.empty() => const CombatStats(
     str: 10,

lib/src/core/model/game_state.dart

@@ -741,6 +741,8 @@ class ProgressState {
     this.questHistory = const [],
     this.currentQuestMonster,
     this.currentCombat,
+    this.monstersKilled = 0,
+    this.deathCount = 0,
   });
 
   final ProgressBarState task;
@@ -764,6 +766,12 @@ class ProgressState {
   /// 현재 전투 상태 (킬 태스크 진행 중)
   final CombatState? currentCombat;
 
+  /// 처치한 몬스터 수
+  final int monstersKilled;
+
+  /// 사망 횟수
+  final int deathCount;
+
   factory ProgressState.empty() => ProgressState(
     task: ProgressBarState.empty(),
     quest: ProgressBarState.empty(),
@@ -792,6 +800,8 @@ class ProgressState {
     List<HistoryEntry>? questHistory,
     QuestMonsterInfo? currentQuestMonster,
     CombatState? currentCombat,
+    int? monstersKilled,
+    int? deathCount,
   }) {
     return ProgressState(
       task: task ?? this.task,
@@ -806,6 +816,8 @@ class ProgressState {
       questHistory: questHistory ?? this.questHistory,
       currentQuestMonster: currentQuestMonster ?? this.currentQuestMonster,
       currentCombat: currentCombat ?? this.currentCombat,
+      monstersKilled: monstersKilled ?? this.monstersKilled,
+      deathCount: deathCount ?? this.deathCount,
     );
   }
 }

lib/src/core/model/hall_of_fame.dart

@@ -130,6 +130,7 @@ class HallOfFameEntry {
       'monstersKilled': monstersKilled,
       'questsCompleted': questsCompleted,
       'clearedAt': clearedAt.toIso8601String(),
+      'finalStats': finalStats?.toJson(),
       'finalEquipment': finalEquipment,
       'finalSpells': finalSpells,
     };
@@ -148,6 +149,9 @@ class HallOfFameEntry {
       monstersKilled: json['monstersKilled'] as int? ?? 0,
       questsCompleted: json['questsCompleted'] as int? ?? 0,
       clearedAt: DateTime.parse(json['clearedAt'] as String),
+      finalStats: json['finalStats'] != null
+          ? CombatStats.fromJson(json['finalStats'] as Map<String, dynamic>)
+          : null,
       finalEquipment: json['finalEquipment'] != null
           ? Map<String, String>.from(json['finalEquipment'] as Map)
           : null,

lib/src/core/model/save_data.dart

@@ -117,6 +117,8 @@ class GameSave {
                 'index': progress.currentQuestMonster!.monsterIndex,
               }
             : null,
+        'monstersKilled': progress.monstersKilled,
+        'deathCount': progress.deathCount,
       },
       'queue': queue.entries
           .map(
@@ -225,6 +227,8 @@ class GameSave {
         currentQuestMonster: _questMonsterFromJson(
           progressJson['questMonster'] as Map<String, dynamic>?,
         ),
+        monstersKilled: progressJson['monstersKilled'] as int? ?? 0,
+        deathCount: progressJson['deathCount'] as int? ?? 0,
       ),
       queue: QueueState(
         entries: Queue<QueueEntry>.from(