feat(l10n): 다국어 텍스트 업데이트

- 영어, 한국어, 일본어, 중국어 번역 업데이트
- game_text_l10n 데이터 개선

lib/data/game_text_l10n.dart

@@ -98,17 +98,11 @@ String taskUpgradingHardware() => _l(
 String taskEnteringDebugZone() =>
     _l('Entering the Debug Zone', '디버그 존 진입 중', 'デバッグゾーンに進入中');
 
-String taskDebugging(String monsterName) => _l(
+String taskDebugging(String monsterName) =>
-      'Debugging $monsterName',
+    _l('Debugging $monsterName', '$monsterName 디버깅 중', '$monsterName をデバッグ中');
-      '$monsterName 디버깅 중',
-      '$monsterName をデバッグ中',
-    );
 
-String taskFinalBoss(String bossName) => _l(
+String taskFinalBoss(String bossName) =>
-      'Final Battle: $bossName',
+    _l('Final Battle: $bossName', '최종 보스와 대결: $bossName', '最終ボスと対決: $bossName');
-      '최종 보스와 대결: $bossName',
-      '最終ボスと対決: $bossName',
-    );
 
 String taskSelling(String itemDescription) => _l(
   'Selling $itemDescription',
@@ -161,35 +155,48 @@ String get deathEnvironmentalHazard =>
 // 속도 부스트 (Phase 6)
 // ============================================================================
 
-String get speedBoostTitle =>
+String get speedBoostTitle => _l('Speed Boost', '속도 부스트', 'スピードブースト');
-    _l('Speed Boost', '속도 부스트', 'スピードブースト');
 String get speedBoostActivate =>
     _l('Activate 10x Speed', '10배속 활성화', '10倍速を有効化');
 String speedBoostRemaining(int seconds) =>
     _l('${seconds}s remaining', '${seconds}초 남음', '残り${seconds}秒');
-String get speedBoostActive =>
+String get speedBoostActive => _l('BOOST ACTIVE', '부스트 활성화', 'ブースト中');
-    _l('BOOST ACTIVE', '부스트 활성화', 'ブースト中');
 
 // ============================================================================
 // 복귀 보상 (Phase 7)
 // ============================================================================
 
-String get returnRewardTitle =>
+String get returnRewardTitle => _l('Welcome Back!', '돌아오셨군요!', 'おかえりなさい!');
-    _l('Welcome Back!', '돌아오셨군요!', 'おかえりなさい!');
 String returnRewardHoursAway(String time) =>
     _l('You were away for $time', '$time 동안 떠나있었습니다', '$time 離れていました');
-String get returnRewardBasic =>
+String returnRewardChests(int count) =>
-    _l('Basic Reward', '기본 보상', '基本報酬');
+    _l('$count Treasure Chest(s)', '보물 상자 $count개', '宝箱 $count個');
-String get returnRewardBonus =>
+String get returnRewardOpenChests => _l('Open Chests', '상자 열기', '宝箱を開ける');
-    _l('Bonus Reward', '보너스 보상', 'ボーナス報酬');
+String get returnRewardBonusChests =>
-String returnRewardGold(int gold) =>
+    _l('Bonus Chests', '보너스 상자', 'ボーナス宝箱');
-    _l('+$gold Gold', '+$gold 골드', '+$gold ゴールド');
-String get returnRewardClaim =>
-    _l('Claim', '받기', '受け取る');
 String get returnRewardClaimBonus =>
-    _l('Claim Bonus', '보너스 받기', 'ボーナス受取');
+    _l('Get Bonus (AD)', '보너스 받기 (광고)', 'ボーナス受取 (広告)');
-String get returnRewardSkip =>
+String get returnRewardClaimBonusFree =>
-    _l('Skip', '건너뛰기', 'スキップ');
+    _l('Get Bonus (Free)', '보너스 받기 (무료)', 'ボーナス受取 (無料)');
+String get returnRewardSkip => _l('Skip', '건너뛰기', 'スキップ');
+String get returnRewardOpening => _l('Opening...', '여는 중...', '開封中...');
+String get returnRewardComplete => _l('Complete!', '완료!', '完了!');
+
+// 상자 보상 타입
+String get chestRewardEquipment => _l('Equipment', '장비', '装備');
+String get chestRewardPotion => _l('Potion', '포션', 'ポーション');
+String get chestRewardGold => _l('Gold', '골드', 'ゴールド');
+String get chestRewardExperience => _l('Experience', '경험치', '経験値');
+String chestRewardGoldAmount(int gold) =>
+    _l('+$gold Gold', '+$gold 골드', '+$gold ゴールド');
+String chestRewardExpAmount(int exp) =>
+    _l('+$exp EXP', '+$exp 경험치', '+$exp 経験値');
+String chestRewardPotionAmount(String name, int count) =>
+    _l('$name x$count', '$name x$count', '$name x$count');
+String get chestRewardEquipped =>
+    _l('Equipped!', '장착됨!', '装備しました!');
+String get chestRewardBetterItem =>
+    _l('Better than current!', '현재보다 좋습니다!', '現在より良い!');
 
 // ============================================================================
 // UI 일반 메시지
@@ -198,10 +205,8 @@ String get returnRewardSkip =>
 String get uiNoPotions => _l('No potions', '포션 없음', 'ポーションなし');
 String get uiTapToContinue => _l('Tap to continue', '탭하여 계속', 'タップして続行');
 String get uiNoSkills => _l('No skills', '습득한 스킬이 없습니다', 'スキルなし');
-String get uiNoBonusStats =>
+String get uiNoBonusStats => _l('No bonus stats', '추가 스탯 없음', 'ボーナスステータスなし');
-    _l('No bonus stats', '추가 스탯 없음', 'ボーナスステータスなし');
+String get uiNoActiveBuffs => _l('No active buffs', '활성 버프 없음', 'アクティブバフなし');
-String get uiNoActiveBuffs =>
-    _l('No active buffs', '활성 버프 없음', 'アクティブバフなし');
 String get uiReady => _l('Ready', '준비', '準備完了');
 String get uiPotions => _l('Potions', '포션', 'ポーション');
 String get uiBuffs => _l('Buffs', '버프', 'バフ');
@@ -300,10 +305,14 @@ String combatSkillCritical(String skillName, int damage) => _l(
   '크리티컬 $skillName! $damage 데미지!',
   'クリティカル$skillName! $damageダメージ!',
 );
-String combatSkillDamage(String skillName, int damage) =>
+String combatSkillDamage(String skillName, int damage) => _l(
-    _l('$skillName: $damage damage', '$skillName: $damage 데미지', '$skillName: $damageダメージ');
+  '$skillName: $damage damage',
+  '$skillName: $damage 데미지',
+  '$skillName: $damageダメージ',
+);
 // HP 형식이 동일하므로 단순화
-String combatSkillHeal(String skillName, int amount) => '$skillName: +$amount HP';
+String combatSkillHeal(String skillName, int amount) =>
+    '$skillName: +$amount HP';
 String get uiHeal => _l('Heal', '힐', 'ヒール');
 String combatBuffActivated(String skillName) =>
     _l('$skillName activated!', '$skillName 발동!', '$skillName 発動!');
@@ -343,8 +352,7 @@ String get deathSelfInflicted =>
 
 String questPatch(String name) =>
     _l('Patch $name', '$name 패치하기', '$name をパッチする');
-String questLocate(String item) =>
+String questLocate(String item) => _l('Locate $item', '$item 찾기', '$item を探す');
-    _l('Locate $item', '$item 찾기', '$item を探す');
 String questTransfer(String item) =>
     _l('Transfer this $item', '이 $item 전송하기', 'この$item を転送する');
 String questDownload(String item) =>
@@ -467,39 +475,29 @@ String modifierDead(String s) => _l('fallen $s', '쓰러진 $s', '倒れた$s');
 String modifierComatose(String s) => _l('lurking $s', '잠복하는 $s', '潜む$s');
 String modifierCrippled(String s) => _l('twisted $s', '흉측한 $s', '歪んだ$s');
 String modifierSick(String s) => _l('tainted $s', '오염된 $s', '汚染された$s');
-String modifierUndernourished(String s) =>
+String modifierUndernourished(String s) => _l('ravenous $s', '굶주린 $s', '飢えた$s');
-    _l('ravenous $s', '굶주린 $s', '飢えた$s');
 String modifierFoetal(String s) => _l('nascent $s', '태동기 $s', '胎動期$s');
 String modifierBaby(String s) => _l('fledgling $s', '초기형 $s', '初期型$s');
 String modifierPreadolescent(String s) =>
     _l('evolving $s', '진화 중인 $s', '進化中の$s');
 String modifierTeenage(String s) => _l('lesser $s', '하급 $s', '下級$s');
-String modifierUnderage(String s) =>
+String modifierUnderage(String s) => _l('incomplete $s', '불완전한 $s', '不完全な$s');
-    _l('incomplete $s', '불완전한 $s', '不完全な$s');
 String modifierGreater(String s) => _l('greater $s', '상위 $s', '上位$s');
 String modifierMassive(String s) => _l('massive $s', '거대한 $s', '巨大な$s');
 String modifierEnormous(String s) => _l('enormous $s', '초거대 $s', '超巨大$s');
-String modifierGiant(String s) =>
+String modifierGiant(String s) => _l('giant $s', '자이언트 $s', 'ジャイアント$s');
-    _l('giant $s', '자이언트 $s', 'ジャイアント$s');
 
-String modifierTitanic(String s) =>
+String modifierTitanic(String s) => _l('titanic $s', '타이타닉 $s', 'タイタニック$s');
-    _l('titanic $s', '타이타닉 $s', 'タイタニック$s');
+String modifierVeteran(String s) => _l('veteran $s', '베테랑 $s', 'ベテラン$s');
-String modifierVeteran(String s) =>
-    _l('veteran $s', '베테랑 $s', 'ベテラン$s');
 String modifierBattle(String s) => _l('Battle-$s', '전투-$s', '戦闘-$s');
-String modifierCursed(String s) =>
+String modifierCursed(String s) => _l('cursed $s', '저주받은 $s', '呪われた$s');
-    _l('cursed $s', '저주받은 $s', '呪われた$s');
 String modifierWarrior(String s) => _l('warrior $s', '전사 $s', '戦士$s');
 String modifierWere(String s) => _l('Were-$s', '늑대인간-$s', '狼男-$s');
-String modifierUndead(String s) =>
+String modifierUndead(String s) => _l('undead $s', '언데드 $s', 'アンデッド$s');
-    _l('undead $s', '언데드 $s', 'アンデッド$s');
 String modifierDemon(String s) => _l('demon $s', '데몬 $s', 'デーモン$s');
-String modifierMessianic(String s) =>
+String modifierMessianic(String s) => _l('messianic $s', '메시아닉 $s', 'メシアニック$s');
-    _l('messianic $s', '메시아닉 $s', 'メシアニック$s');
+String modifierImaginary(String s) => _l('imaginary $s', '상상의 $s', '想像上の$s');
-String modifierImaginary(String s) =>
+String modifierPassing(String s) => _l('passing $s', '지나가는 $s', '通りすがりの$s');
-    _l('imaginary $s', '상상의 $s', '想像上の$s');
-String modifierPassing(String s) =>
-    _l('passing $s', '지나가는 $s', '通りすがりの$s');
 
 // ============================================================================
 // 시간 표시
@@ -509,8 +507,7 @@ String roughTimeSeconds(int seconds) =>
     _l('$seconds seconds', '$seconds초', '$seconds秒');
 String roughTimeMinutes(int minutes) =>
     _l('$minutes minutes', '$minutes분', '$minutes分');
-String roughTimeHours(int hours) =>
+String roughTimeHours(int hours) => _l('$hours hours', '$hours시간', '$hours時間');
-    _l('$hours hours', '$hours시간', '$hours時間');
 String roughTimeDays(int days) => _l('$days days', '$days일', '$days日');
 
 // ============================================================================
@@ -906,26 +903,21 @@ String get frontDescription => _l(
   '레트로 감성의 오프라인 싱글플레이어 RPG',
   'レトロ感のあるオフラインシングルプレイヤーRPG',
 );
-String get frontTodayFocus =>
+String get frontTodayFocus => _l("Today's focus", '오늘의 중점', '今日のフォーカス');
-    _l("Today's focus", '오늘의 중점', '今日のフォーカス');
 
 // ============================================================================
 // 명예의 전당 화면 텍스트
 // ============================================================================
 
-String get hofNoHeroes =>
+String get hofNoHeroes => _l('No heroes yet', '영웅이 아직 없습니다', 'まだ英雄がいません');
-    _l('No heroes yet', '영웅이 아직 없습니다', 'まだ英雄がいません');
 String get hofDefeatGlitchGod => _l(
   'Defeat the Glitch God to enshrine your legend!',
   '글리치 신을 처치하여 전설을 남기세요!',
   'グリッチゴッドを倒して伝説を刻もう！',
 );
 String get hofVictory => _l('VICTORY!', '승리!', '勝利！');
-String get hofDefeatedGlitchGod => _l(
+String get hofDefeatedGlitchGod =>
-      'You have defeated the Glitch God!',
+    _l('You have defeated the Glitch God!', '글리치 신을 처치했습니다!', 'グリッチゴッドを倒しました！');
-      '글리치 신을 처치했습니다!',
-      'グリッチゴッドを倒しました！',
-    );
 String get hofLegendEnshrined => _l(
   'Your legend has been enshrined in the Hall of Fame!',
   '당신의 전설이 명예의 전당에 기록되었습니다!',
@@ -962,17 +954,20 @@ String get uiSkip => _l('SKIP', '건너뛰기', 'スキップ');
 // ============================================================================
 
 String get uiLevelUp => _l('Level Up!', '레벨 업!', 'レベルアップ！');
-String uiQuestComplete(String questName) =>
+String uiQuestComplete(String questName) => _l(
-    _l('Quest Complete: $questName', '퀘스트 완료: $questName', 'クエスト完了: $questName');
+  'Quest Complete: $questName',
+  '퀘스트 완료: $questName',
+  'クエスト完了: $questName',
+);
 
 // ============================================================================
 // 장비 패널 텍스트
 // ============================================================================
 
-String get uiEquipmentScore =>
+String get uiEquipmentScore => _l('Equipment Score', '장비 점수', '装備スコア');
-    _l('Equipment Score', '장비 점수', '装備スコア');
 String get uiEmpty => _l('(empty)', '(비어있음)', '(空)');
 String uiWeight(int weight) => _l('Wt.$weight', '무게 $weight', '重量 $weight');
+
 /// 남은 시간 표시
 String uiTimeRemaining(String time) =>
     _l('$time remaining', '$time 남음', '残り$time');
@@ -1026,17 +1021,11 @@ String get rarityLegendary => _l('LEGENDARY', '전설', 'レジェンダリー')
 
 String uiRollHistory(int count) =>
     _l('$count roll(s) in history', '리롤 기록: $count회', 'リロール履歴: $count回');
-String get uiEnterName => _l(
+String get uiEnterName =>
-      'Please enter a name.',
+    _l('Please enter a name.', '이름을 입력해주세요.', '名前を入力してください。');
-      '이름을 입력해주세요.',
-      '名前を入力してください。',
-    );
 String get uiTestMode => _l('Test Mode', '테스트 모드', 'テストモード');
-String get uiTestModeDesc => _l(
+String get uiTestModeDesc =>
-      'Use mobile layout on web',
+    _l('Use mobile layout on web', '웹에서 모바일 레이아웃 사용', 'Webでモバイルレイアウトを使用');
-      '웹에서 모바일 레이아웃 사용',
-      'Webでモバイルレイアウトを使用',
-    );
 
 // ============================================================================
 // 캐로셀 네비게이션 텍스트
@@ -1087,7 +1076,8 @@ String get warningDeleteSave => _l(
   '既存のセーブファイルが削除されます。続行しますか？',
 );
 // 카피라이트 텍스트는 언어에 따라 변하지 않음
-String get copyrightText => '© 2025 NatureBridgeAi & cclabs all rights reserved';
+String get copyrightText =>
+    '© 2025 NatureBridgeAi & cclabs all rights reserved.';
 
 // ============================================================================
 // 테마 설정 텍스트
@@ -1120,8 +1110,7 @@ String get uiSound => _l('Sound', '사운드', 'サウンド');
 String get uiBgmVolume => _l('BGM Volume', 'BGM 볼륨', 'BGM音量');
 String get uiSfxVolume => _l('SFX Volume', '효과음 볼륨', '効果音音量');
 String get uiSoundOff => _l('Muted', '음소거', 'ミュート');
-String get uiAnimationSpeed =>
+String get uiAnimationSpeed => _l('Animation Speed', '애니메이션 속도', 'アニメーション速度');
-    _l('Animation Speed', '애니메이션 속도', 'アニメーション速度');
 String get uiSpeedSlow => _l('Slow', '느림', '遅い');
 String get uiSpeedNormal => _l('Normal', '보통', '普通');
 String get uiSpeedFast => _l('Fast', '빠름', '速い');
@@ -1143,11 +1132,51 @@ String get uiDelete => _l('Delete', '삭제', '削除');
 String get uiConfirmDelete =>
     _l('Are you sure you want to delete?', '정말로 삭제하시겠습니까?', '本当に削除しますか？');
 String get uiDeleted => _l('Deleted', '삭제되었습니다', '削除されました');
-String get uiError =>
+String get uiError => _l('An error occurred', '오류가 발생했습니다', 'エラーが発生しました');
-    _l('An error occurred', '오류가 발생했습니다', 'エラーが発生しました');
 String get uiSaved => _l('Saved', '저장됨', '保存しました');
-String get uiSaveBattleLog =>
+String get uiSaveBattleLog => _l('Save Battle Log', '배틀로그 저장', 'バトルログ保存');
-    _l('Save Battle Log', '배틀로그 저장', 'バトルログ保存');
+
+// ============================================================================
+// IAP 구매 텍스트
+// ============================================================================
+
+String get iapRemoveAds => _l('Remove Ads', '광고 제거', '広告削除');
+String get iapRemoveAdsDesc =>
+    _l('Enjoy ad-free experience', '광고 없이 플레이', '広告なしでプレイ');
+String get iapBenefitTitle =>
+    _l('Premium Benefits', '프리미엄 혜택', 'プレミアム特典');
+String get iapBenefit1 =>
+    _l('Ad-free gameplay', '광고 없는 쾌적한 플레이', '広告なしの快適プレイ');
+String get iapBenefit2 =>
+    _l('Unlimited speed boost', '속도 부스트 무제한', 'スピードブースト無制限');
+String get iapBenefit3 => _l(
+  'Stat reroll undo: 3 times',
+  '신규 캐릭터 스탯 가챠 되돌리기 3회',
+  '新キャラステ振り直し3回',
+);
+String get iapBenefit4 =>
+    _l('Unlimited rerolls', '굴리기 무제한', 'リロール無制限');
+String get iapBenefit5 => _l(
+  '2x offline time credited',
+  '오프라인 시간 2배 인정',
+  'オフライン時間2倍適用',
+);
+String get iapBenefit6 =>
+    _l('Return chests: 10 max', '복귀 상자 최대 10개', '帰還ボックス最大10個');
+String get iapPurchaseButton => _l('Purchase', '구매하기', '購入する');
+String get iapAlreadyPurchased => _l('Already purchased', '이미 구매됨', '購入済み');
+String get iapPurchaseSuccess => _l('Purchase successful!', '구매 완료!', '購入完了！');
+String get iapPurchaseFailed => _l(
+  'Purchase failed. Please try again.',
+  '구매 실패. 다시 시도해주세요.',
+  '購入失敗。もう一度お試しください。',
+);
+String get iapStoreUnavailable =>
+    _l('Store unavailable', '스토어 사용 불가', 'ストア利用不可');
+String get iapRestorePurchase => _l('Restore Purchase', '구매 복원', '購入を復元');
+String get iapRestoreSuccess =>
+    _l('Purchase restored!', '구매 복원 완료!', '購入を復元しました！');
+String get iapRestoreFailed => _l('Restore failed', '복원 실패', '復元失敗');
 
 // ============================================================================
 // 스킬 상세 정보 라벨 (Skill Detail Labels)

lib/l10n/app_en.arb

@@ -227,8 +227,8 @@
   "total": "Total",
   "@total": { "description": "Total label for stats" },
 
-  "unroll": "Unroll",
+  "unroll": "Undo",
-  "@unroll": { "description": "Unroll button" },
+  "@unroll": { "description": "Undo button for stat reroll" },
 
   "roll": "Roll",
   "@roll": { "description": "Roll button" },

lib/l10n/app_ja.arb

@@ -1,7 +1,7 @@
 {
   "@@locale": "ja",
 
-  "appTitle": "ASCII NEVER DIE",
+  "appTitle": "アスキー ネバー ダイ",
   "tagNoNetwork": "No network",
   "tagIdleRpg": "Idle RPG loop",
   "tagLocalSaves": "Local saves",
@@ -68,7 +68,7 @@
   "name": "Name",
   "generateName": "Generate Name",
   "total": "Total",
-  "unroll": "Unroll",
+  "unroll": "元に戻す",
   "roll": "Roll",
   "race": "Race",
   "classTitle": "Class",

lib/l10n/app_ko.arb

@@ -68,7 +68,7 @@
   "name": "이름",
   "generateName": "이름 생성",
   "total": "합계",
-  "unroll": "펼치기",
+  "unroll": "되돌리기",
   "roll": "굴리기",
   "race": "종족",
   "classTitle": "직업",

lib/l10n/app_localizations.dart

@@ -503,10 +503,10 @@ abstract class L10n {
   /// **'Total'**
   String get total;
 
-  /// Unroll button
+  /// Undo button for stat reroll
   ///
   /// In en, this message translates to:
-  /// **'Unroll'**
+  /// **'Undo'**
   String get unroll;
 
   /// Roll button

lib/l10n/app_localizations_en.dart

@@ -220,7 +220,7 @@ class L10nEn extends L10n {
   String get total => 'Total';
 
   @override
-  String get unroll => 'Unroll';
+  String get unroll => 'Undo';
 
   @override
   String get roll => 'Roll';

lib/l10n/app_localizations_ja.dart

@@ -9,7 +9,7 @@ class L10nJa extends L10n {
   L10nJa([String locale = 'ja']) : super(locale);
 
   @override
-  String get appTitle => 'ASCII NEVER DIE';
+  String get appTitle => 'アスキー ネバー ダイ';
 
   @override
   String get tagNoNetwork => 'No network';
@@ -220,7 +220,7 @@ class L10nJa extends L10n {
   String get total => 'Total';
 
   @override
-  String get unroll => 'Unroll';
+  String get unroll => '元に戻す';
 
   @override
   String get roll => 'Roll';

lib/l10n/app_localizations_ko.dart

@@ -220,7 +220,7 @@ class L10nKo extends L10n {
   String get total => '합계';
 
   @override
-  String get unroll => '펼치기';
+  String get unroll => '되돌리기';
 
   @override
   String get roll => '굴리기';

lib/l10n/app_localizations_zh.dart

@@ -220,7 +220,7 @@ class L10nZh extends L10n {
   String get total => 'Total';
 
   @override
-  String get unroll => 'Unroll';
+  String get unroll => '撤销';
 
   @override
   String get roll => 'Roll';

lib/l10n/app_zh.arb

@@ -68,7 +68,7 @@
   "name": "Name",
   "generateName": "Generate Name",
   "total": "Total",
-  "unroll": "Unroll",
+  "unroll": "撤销",
   "roll": "Roll",
   "race": "Race",
   "classTitle": "Class",