feat(animation): Act 기반 몬스터 사이즈 시스템 추가

- Act 진행에 따른 몬스터 사이즈 확률 조정
- 보스: Act별 고정 사이즈 (소/중/대)
- 일반/엘리트: Act별 확률 랜덤
- TaskInfo에 monsterSize 필드 추가
- 애니메이션 패널에서 Act 기반 사이즈 사용

lib/src/features/game/game_play_screen.dart

@@ -734,6 +734,7 @@ class _GamePlayScreenState extends State<GamePlayScreen>
                       characterLevel: state.traits.level,
                       monsterLevel: state.progress.currentTask.monsterLevel,
                       monsterGrade: state.progress.currentTask.monsterGrade,
+                      monsterSize: state.progress.currentTask.monsterSize,
                       latestCombatEvent:
                           state.progress.currentCombat?.recentEvents.lastOrNull,
                       raceId: state.traits.raceId,

lib/src/features/game/game_session_controller.dart

@@ -48,6 +48,9 @@ class GameSessionController extends ChangeNotifier {
   GameState? _state;
   String? _error;
 
+  // 배속 저장 (pause/resume 시 유지)
+  int _savedSpeedMultiplier = 1;
+
   // 자동 부활 (Auto-Resurrection) 상태
   bool _autoResurrect = false;
 
@@ -89,7 +92,8 @@ class GameSessionController extends ChangeNotifier {
     bool isNewGame = true,
   }) async {
     // 기존 배속 보존 (부활/재개 시 유지)
-    final previousSpeed = _loop?.speedMultiplier ?? 1;
+    // _loop가 있으면 현재 배속 사용, 없으면 저장된 배속 사용
+    final previousSpeed = _loop?.speedMultiplier ?? _savedSpeedMultiplier;
 
     await _stopLoop(saveOnStop: false);
 
@@ -284,6 +288,12 @@ class GameSessionController extends ChangeNotifier {
   Future<void>? _stopLoop({required bool saveOnStop}) {
     final loop = _loop;
     final sub = _subscription;
+
+    // 배속 저장 (resume 시 복원용)
+    if (loop != null) {
+      _savedSpeedMultiplier = loop.speedMultiplier;
+    }
+
     _loop = null;
     _subscription = null;
 

lib/src/features/game/layouts/mobile_carousel_layout.dart

@@ -730,6 +730,7 @@ class _MobileCarouselLayoutState extends State<MobileCarouselLayout> {
               characterLevel: state.traits.level,
               monsterLevel: state.progress.currentTask.monsterLevel,
               monsterGrade: state.progress.currentTask.monsterGrade,
+              monsterSize: state.progress.currentTask.monsterSize,
               latestCombatEvent:
                   state.progress.currentCombat?.recentEvents.lastOrNull,
               raceId: state.traits.raceId,

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

@@ -47,6 +47,7 @@ class AsciiAnimationCard extends StatefulWidget {
     this.characterLevel,
     this.monsterLevel,
     this.monsterGrade,
+    this.monsterSize,
     this.isPaused = false,
     this.isInCombat = true,
     this.monsterDied = false,
@@ -85,12 +86,15 @@ class AsciiAnimationCard extends StatefulWidget {
   /// 캐릭터 레벨
   final int? characterLevel;
 
-  /// 몬스터 레벨 (몬스터 크기 결정용)
+  /// 몬스터 레벨 (전투 스탯 계산용)
   final int? monsterLevel;
 
   /// 몬스터 등급 (Normal/Elite/Boss) - 색상/접두사 표시용
   final MonsterGrade? monsterGrade;
 
+  /// 몬스터 사이즈 (애니메이션 크기 결정용, Act 기반)
+  final MonsterSize? monsterSize;
+
   /// 최근 전투 이벤트 (애니메이션 동기화용)
   final CombatEvent? latestCombatEvent;
 
@@ -175,7 +179,8 @@ class _AsciiAnimationCardState extends State<AsciiAnimationCard> {
   bool _showDeathAnimation = false;
   List<String>? _deathAnimationMonsterLines;
   String? _lastMonsterBaseName;
-  int? _lastMonsterLevel; // 몬스터 레벨 캐시 (사망 시 크기 결정용)
+  int? _lastMonsterLevel; // 몬스터 레벨 캐시 (사망 시 스탯용)
+  MonsterSize? _lastMonsterSize; // 몬스터 사이즈 캐시 (사망 시 크기 결정용)
 
   @override
   void initState() {
@@ -245,6 +250,9 @@ class _AsciiAnimationCardState extends State<AsciiAnimationCard> {
     if (widget.monsterLevel != null) {
       _lastMonsterLevel = widget.monsterLevel;
     }
+    if (widget.monsterSize != null) {
+      _lastMonsterSize = widget.monsterSize;
+    }
 
     // 새 몬스터 등장 시 사망 애니메이션 상태 리셋
     // (이전 몬스터 사망 애니메이션이 끝나기 전에 새 전투 시작 시 대응)
@@ -591,7 +599,9 @@ class _AsciiAnimationCardState extends State<AsciiAnimationCard> {
     final hasShield =
         widget.shieldName != null && widget.shieldName!.isNotEmpty;
     final monsterCategory = getMonsterCategory(widget.monsterBaseName);
-    final monsterSize = getMonsterSize(widget.monsterLevel);
+    // Act 기반 사이즈 사용 (Phase 13), 없으면 레벨 기반 fallback
+    final monsterSize =
+        widget.monsterSize ?? getMonsterSize(widget.monsterLevel);
 
     _battleComposer = CanvasBattleComposer(
       weaponCategory: weaponCategory,
@@ -617,8 +627,10 @@ class _AsciiAnimationCardState extends State<AsciiAnimationCard> {
     if (monsterName == null) return null;
 
     final monsterCategory = getMonsterCategory(monsterName);
-    // 캐시된 레벨 사용 (사망 시점에 widget.monsterLevel이 null일 수 있음)
-    final monsterSize = getMonsterSize(_lastMonsterLevel ?? widget.monsterLevel);
+    // 캐시된 사이즈 사용 (사망 시점에 widget.monsterSize가 null일 수 있음)
+    final monsterSize = _lastMonsterSize ??
+        widget.monsterSize ??
+        getMonsterSize(_lastMonsterLevel ?? widget.monsterLevel);
 
     // 몬스터 Idle 프레임 가져오기
     final frames = getMonsterIdleFrames(monsterCategory, monsterSize);

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

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 
 import 'package:asciineverdie/data/game_text_l10n.dart' as l10n;
 import 'package:asciineverdie/src/core/animation/ascii_animation_type.dart';
+import 'package:asciineverdie/src/core/animation/monster_size.dart';
 import 'package:asciineverdie/src/core/model/combat_event.dart';
 import 'package:asciineverdie/src/core/model/combat_state.dart';
 import 'package:asciineverdie/src/core/model/game_state.dart';
@@ -32,6 +33,7 @@ class EnhancedAnimationPanel extends StatefulWidget {
     this.characterLevel,
     this.monsterLevel,
     this.monsterGrade,
+    this.monsterSize,
     this.latestCombatEvent,
     this.raceId,
     this.weaponRarity,
@@ -52,6 +54,9 @@ class EnhancedAnimationPanel extends StatefulWidget {
 
   /// 몬스터 등급 (Normal/Elite/Boss) - UI 색상/접두사 표시용
   final MonsterGrade? monsterGrade;
+
+  /// 몬스터 사이즈 (애니메이션 크기 결정용, Act 기반)
+  final MonsterSize? monsterSize;
   final CombatEvent? latestCombatEvent;
 
   /// 종족 ID (Phase 4: 종족별 캐릭터 애니메이션)
@@ -225,6 +230,7 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
               characterLevel: widget.characterLevel,
               monsterLevel: widget.monsterLevel,
               monsterGrade: widget.monsterGrade,
+              monsterSize: widget.monsterSize,
               isPaused: widget.isPaused,
               isInCombat: isInCombat,
               monsterDied: _monsterDied,

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

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:asciineverdie/data/game_text_l10n.dart' as game_l10n;
 import 'package:asciineverdie/l10n/app_localizations.dart';
 import 'package:asciineverdie/src/core/animation/ascii_animation_type.dart';
+import 'package:asciineverdie/src/core/animation/monster_size.dart';
 import 'package:asciineverdie/src/core/model/combat_event.dart';
 import 'package:asciineverdie/src/core/model/game_state.dart';
 import 'package:asciineverdie/src/core/model/monster_grade.dart';
@@ -25,6 +26,7 @@ class TaskProgressPanel extends StatelessWidget {
     this.characterLevel,
     this.monsterLevel,
     this.monsterGrade,
+    this.monsterSize,
     this.latestCombatEvent,
     this.raceId,
   });
@@ -49,6 +51,9 @@ class TaskProgressPanel extends StatelessWidget {
   /// 몬스터 등급 (Normal/Elite/Boss) - UI 색상/접두사 표시용
   final MonsterGrade? monsterGrade;
 
+  /// 몬스터 사이즈 (애니메이션 크기 결정용, Act 기반)
+  final MonsterSize? monsterSize;
+
   /// 최근 전투 이벤트 (애니메이션 동기화용, Phase 5)
   final CombatEvent? latestCombatEvent;
 
@@ -80,6 +85,7 @@ class TaskProgressPanel extends StatelessWidget {
               characterLevel: characterLevel,
               monsterLevel: monsterLevel,
               monsterGrade: monsterGrade,
+              monsterSize: monsterSize,
               isPaused: isPaused,
               latestCombatEvent: latestCombatEvent,
               raceId: raceId,