feat(l10n): 다국어 문자열 추가

- 옵션 메뉴, 통계, 도움말 등 UI 문자열 추가
- en, ko, ja, zh 지원

lib/l10n/app_ja.arb

@@ -93,5 +93,57 @@
   "endingHallOfFameButton": "殿堂入り",
   "endingSkip": "スキップ",
   "endingTapToSkip": "タップでスキップ",
-  "endingHoldToSpeedUp": "長押しで高速スクロール"
+  "endingHoldToSpeedUp": "長押しで高速スクロール",
+
+  "menuTitle": "MENU",
+  "optionsTitle": "OPTIONS",
+  "soundTitle": "SOUND",
+  "controlSection": "CONTROL",
+  "infoSection": "INFO",
+  "settingsSection": "SETTINGS",
+  "saveExitSection": "SAVE / EXIT",
+  "ok": "OK",
+  "rechargeButton": "RECHARGE",
+  "createButton": "CREATE",
+  "previewTitle": "PREVIEW",
+  "nameTitle": "NAME",
+  "statsTitle": "STATS",
+  "raceTitle": "RACE",
+  "classSection": "CLASS",
+  "bgmLabel": "BGM",
+  "sfxLabel": "SFX",
+  "hpLabel": "HP",
+  "mpLabel": "MP",
+  "expLabel": "EXP",
+  "notifyLevelUp": "LEVEL UP!",
+  "notifyLevel": "Level {level}",
+  "notifyQuestComplete": "QUEST COMPLETE!",
+  "notifyPrologueComplete": "PROLOGUE COMPLETE!",
+  "notifyActComplete": "ACT {number} COMPLETE!",
+  "notifyNewSpell": "NEW SPELL!",
+  "notifyNewEquipment": "NEW EQUIPMENT!",
+  "notifyBossDefeated": "BOSS DEFEATED!",
+  "rechargeRollsTitle": "RECHARGE ROLLS",
+  "rechargeRollsFree": "Recharge 5 rolls for free?",
+  "rechargeRollsAd": "Watch an ad to recharge 5 rolls?",
+  "debugTitle": "DEBUG",
+  "debugCheatsTitle": "DEBUG CHEATS",
+  "debugToolsTitle": "DEBUG TOOLS",
+  "debugDeveloperTools": "DEVELOPER TOOLS",
+  "debugSkipTask": "SKIP TASK (L+1)",
+  "debugSkipTaskDesc": "Complete task instantly",
+  "debugSkipQuest": "SKIP QUEST (Q!)",
+  "debugSkipQuestDesc": "Complete quest instantly",
+  "debugSkipAct": "SKIP ACT (P!)",
+  "debugSkipActDesc": "Complete act instantly",
+  "debugCreateTestCharacter": "CREATE TEST CHARACTER",
+  "debugCreateTestCharacterDesc": "Register Level 100 character to Hall of Fame",
+  "debugCreateTestCharacterTitle": "CREATE TEST CHARACTER?",
+  "debugCreateTestCharacterMessage": "Current character will be converted to Level 100\nand registered to the Hall of Fame.\n\n⚠️ Current save file will be deleted.\nThis action cannot be undone.",
+  "debugTurbo": "DEBUG: TURBO (20x)",
+  "debugIapPurchased": "IAP PURCHASED",
+  "debugIapPurchasedDesc": "ON: Behave as paid user (ads removed)",
+  "debugOfflineHours": "OFFLINE HOURS",
+  "debugOfflineHoursDesc": "Test return rewards (applies on restart)",
+  "debugTestCharacterDesc": "Modify current character to Level 100\nand register to the Hall of Fame."
 }