fix: i18n all settings labels, add ja to language select, dynamic lang options

src/locales/en.json

@@ -26,6 +26,14 @@
     "achievements": "Achievements",
     "gallery": "Gallery",
     "noAutoSave": "No auto save yet",
-    "autoSaveHint": "Game auto-saves to slot 0 at each scene change"
+    "autoSaveHint": "Game auto-saves to slot 0 at each scene change",
+    "language": "Language",
+    "subtitleSize": "Subtitle Size",
+    "subtitleBg": "Subtitle BG",
+    "qteTimeRelax": "QTE Time Relax",
+    "qteSingleKey": "QTE Single Key",
+    "antiMistap": "Anti Mistap",
+    "pauseEnabled": "Pause Enabled",
+    "none": "None"
   }
 }

src/locales/ja.json

@@ -26,6 +26,14 @@
     "achievements": "実績",
     "gallery": "ギャラリー",
     "noAutoSave": "オートセーブがありません",
-    "autoSaveHint": "シーン切替時にスロット0に自動保存されます"
+    "autoSaveHint": "シーン切替時にスロット0に自動保存されます",
+    "language": "言語",
+    "subtitleSize": "字幕サイズ",
+    "subtitleBg": "字幕背景",
+    "qteTimeRelax": "QTE時間緩和",
+    "qteSingleKey": "QTE単一キー",
+    "antiMistap": "誤操作防止",
+    "pauseEnabled": "一時停止有効",
+    "none": "なし"
   }
 }

src/locales/zh.json

@@ -26,6 +26,14 @@
     "achievements": "成就",
     "gallery": "画廊",
     "noAutoSave": "暂无自动存档",
-    "autoSaveHint": "游戏会在每次场景切换时自动保存到槽位 0"
+    "autoSaveHint": "游戏会在每次场景切换时自动保存到槽位 0",
+    "language": "语言",
+    "subtitleSize": "字幕字号",
+    "subtitleBg": "字幕背景",
+    "qteTimeRelax": "QTE 时限放宽",
+    "qteSingleKey": "QTE 按键简化",
+    "antiMistap": "防误触延迟",
+    "pauseEnabled": "可暂停",
+    "none": "无"
   }
 }