feat(ui): Phase 8 UI/UX 개선 완료

- CombatLog 위젯 게임 화면에 통합
- HP/MP 바 추가 (HP < 20% 깜빡임 효과)
- SkillPanel 추가 (쿨타임 완료 시 glow 효과)
- combatLog 로컬라이제이션 (4개 언어)
- 테스트 수정 (skipOffstage 처리)

lib/l10n/app_en.arb

@@ -93,6 +93,9 @@
   "encumbrance": "Encumbrance",
   "@encumbrance": { "description": "Encumbrance section title" },
 
+  "combatLog": "Combat Log",
+  "@combatLog": { "description": "Combat log panel title" },
+
   "plotDevelopment": "Plot Development",
   "@plotDevelopment": { "description": "Plot development panel title" },
 

lib/l10n/app_ja.arb

@@ -30,6 +30,7 @@
   "equipment": "Equipment",
   "inventory": "Inventory",
   "encumbrance": "Encumbrance",
+  "combatLog": "戦闘ログ",
   "plotDevelopment": "Plot Development",
   "quests": "Quests",
   "traitName": "Name",

lib/l10n/app_ko.arb

@@ -30,6 +30,7 @@
   "equipment": "장비",
   "inventory": "인벤토리",
   "encumbrance": "적재량",
+  "combatLog": "전투 로그",
   "plotDevelopment": "스토리 진행",
   "quests": "퀘스트",
   "traitName": "이름",

lib/l10n/app_localizations.dart

@@ -275,6 +275,12 @@ abstract class L10n {
   /// **'Encumbrance'**
   String get encumbrance;
 
+  /// Combat log panel title
+  ///
+  /// In en, this message translates to:
+  /// **'Combat Log'**
+  String get combatLog;
+
   /// Plot development panel title
   ///
   /// In en, this message translates to:

lib/l10n/app_localizations_en.dart

@@ -97,6 +97,9 @@ class L10nEn extends L10n {
   @override
   String get encumbrance => 'Encumbrance';
 
+  @override
+  String get combatLog => 'Combat Log';
+
   @override
   String get plotDevelopment => 'Plot Development';
 

lib/l10n/app_localizations_ja.dart

@@ -97,6 +97,9 @@ class L10nJa extends L10n {
   @override
   String get encumbrance => 'Encumbrance';
 
+  @override
+  String get combatLog => '戦闘ログ';
+
   @override
   String get plotDevelopment => 'Plot Development';
 

lib/l10n/app_localizations_ko.dart

@@ -97,6 +97,9 @@ class L10nKo extends L10n {
   @override
   String get encumbrance => '적재량';
 
+  @override
+  String get combatLog => '전투 로그';
+
   @override
   String get plotDevelopment => '스토리 진행';
 

lib/l10n/app_localizations_zh.dart

@@ -97,6 +97,9 @@ class L10nZh extends L10n {
   @override
   String get encumbrance => 'Encumbrance';
 
+  @override
+  String get combatLog => '战斗日志';
+
   @override
   String get plotDevelopment => 'Plot Development';
 

lib/l10n/app_zh.arb

@@ -30,6 +30,7 @@
   "equipment": "Equipment",
   "inventory": "Inventory",
   "encumbrance": "Encumbrance",
+  "combatLog": "战斗日志",
   "plotDevelopment": "Plot Development",
   "quests": "Quests",
   "traitName": "Name",