fix: add missing translations and fix namespace usage

- Fix srt-player to use srtT namespace for error messages
- Add deck_id.enterLanguageName and language labels (english, chinese, japanese, korean)
- Add memorize.review.nextCard translation
- Update all 8 locales with consistent translations

messages/de-DE.json

@@ -231,6 +231,7 @@
       "ease": "Schwierigkeit",
       "lapses": "Fehler",
       "showAnswer": "Antwort zeigen",
+      "nextCard": "Weiter",
       "again": "Nochmal",
       "hard": "Schwer",
       "good": "Gut",
@@ -626,6 +627,11 @@
     "sentencePlaceholder": "Satz eingeben",
     "wordPlaceholder": "Wort eingeben",
     "queryLang": "Abfragesprache",
+    "enterLanguageName": "Bitte Sprachnamen eingeben",
+    "english": "Englisch",
+    "chinese": "Chinesisch",
+    "japanese": "Japanisch",
+    "korean": "Koreanisch",
     "meanings": "Bedeutungen",
     "addMeaning": "Bedeutung hinzufügen",
     "partOfSpeech": "Wortart",

messages/en-US.json

@@ -107,6 +107,11 @@
     "sentencePlaceholder": "Enter a sentence",
     "wordPlaceholder": "Enter a word",
     "queryLang": "Language",
+    "enterLanguageName": "Please enter language name",
+    "english": "English",
+    "chinese": "Chinese",
+    "japanese": "Japanese",
+    "korean": "Korean",
     "meanings": "Meanings",
     "addMeaning": "Add Meaning",
     "partOfSpeech": "Part of Speech",
@@ -268,6 +273,7 @@
       "ease": "Ease",
       "lapses": "Lapses",
       "showAnswer": "Show Answer",
+      "nextCard": "Next",
       "again": "Again",
       "hard": "Hard",
       "good": "Good",

messages/fr-FR.json

@@ -165,6 +165,11 @@
     "sentencePlaceholder": "Entrer phrase",
     "wordPlaceholder": "Entrer mot",
     "queryLang": "Langue de requête",
+    "enterLanguageName": "Veuillez entrer le nom de la langue",
+    "english": "Anglais",
+    "chinese": "Chinois",
+    "japanese": "Japonais",
+    "korean": "Coréen",
     "meanings": "Significations",
     "addMeaning": "Ajouter signification",
     "partOfSpeech": "Partie du discours",
@@ -297,6 +302,7 @@
       "ease": "Facilité",
       "lapses": "Erreurs",
       "showAnswer": "Montrer réponse",
+      "nextCard": "Suivant",
       "again": "Encore",
       "hard": "Difficile",
       "good": "Bien",

messages/it-IT.json

@@ -165,6 +165,11 @@
     "sentencePlaceholder": "Inserisci frase",
     "wordPlaceholder": "Inserisci parola",
     "queryLang": "Lingua di query",
+    "enterLanguageName": "Inserisci il nome della lingua",
+    "english": "Inglese",
+    "chinese": "Cinese",
+    "japanese": "Giapponese",
+    "korean": "Coreano",
     "meanings": "Significati",
     "addMeaning": "Aggiungi significato",
     "partOfSpeech": "Parte del discorso",
@@ -297,6 +302,7 @@
       "ease": "Difficoltà",
       "lapses": "Errori",
       "showAnswer": "Mostra risposta",
+      "nextCard": "Prossima",
       "again": "Ancora",
       "hard": "Difficile",
       "good": "Buono",

messages/ja-JP.json

@@ -133,6 +133,11 @@
     "sentencePlaceholder": "文章を入力",
     "wordPlaceholder": "単語を入力",
     "queryLang": "検索言語",
+    "enterLanguageName": "言語名を入力してください",
+    "english": "英語",
+    "chinese": "中国語",
+    "japanese": "日本語",
+    "korean": "韓国語",
     "meanings": "意味",
     "addMeaning": "意味を追加",
     "partOfSpeech": "品詞",
@@ -265,6 +270,7 @@
       "ease": "易しさ",
       "lapses": "忘回数",
       "showAnswer": "答えを表示",
+      "nextCard": "次へ",
       "again": "もう一度",
       "hard": "難しい",
       "good": "普通",

messages/ko-KR.json

@@ -165,6 +165,11 @@
     "sentencePlaceholder": "문장 입력",
     "wordPlaceholder": "단어 입력",
     "queryLang": "검색 언어",
+    "enterLanguageName": "언어 이름을 입력하세요",
+    "english": "영어",
+    "chinese": "중국어",
+    "japanese": "일본어",
+    "korean": "한국어",
     "meanings": "의미",
     "addMeaning": "의미 추가",
     "partOfSpeech": "품사",
@@ -297,6 +302,7 @@
       "ease": "난이도",
       "lapses": "실패 횟수",
       "showAnswer": "정답 보기",
+      "nextCard": "다음",
       "again": "다시",
       "hard": "어려움",
       "good": "좋음",

messages/ug-CN.json

@@ -165,6 +165,11 @@
     "sentencePlaceholder": "جۈملە كىرگۈزۈڭ",
     "wordPlaceholder": "سۆز كىرگۈزۈڭ",
     "queryLang": "سۈرۈشتۈرۈش تىلى",
+    "enterLanguageName": "تىل ئاتىنى كىرگۈزۈڭ",
+    "english": "ئىنگىلىزچە",
+    "chinese": "خەنزۇچە",
+    "japanese": "ياپونچە",
+    "korean": "كورىيەچە",
     "meanings": "مەنىلىرى",
     "addMeaning": "مەنا قوشۇش",
     "partOfSpeech": "سۆز بۆلىكى",
@@ -297,6 +302,7 @@
       "ease": "قىيىنلىق",
       "lapses": "خاتالىق",
       "showAnswer": "جاۋابنى كۆرسەت",
+      "nextCard": "كېيىنكى",
       "again": "يەنە",
       "hard": "قىيىن",
       "good": "ياخشى",

messages/zh-CN.json

@@ -133,6 +133,11 @@
     "sentencePlaceholder": "输入句子",
     "wordPlaceholder": "输入单词",
     "queryLang": "查询语言",
+    "enterLanguageName": "请输入语言名称",
+    "english": "英语",
+    "chinese": "中文",
+    "japanese": "日语",
+    "korean": "韩语",
     "meanings": "释义",
     "addMeaning": "添加释义",
     "partOfSpeech": "词性",
@@ -265,6 +270,7 @@
       "ease": "难度系数",
       "lapses": "遗忘次数",
       "showAnswer": "显示答案",
+      "nextCard": "下一张",
       "again": "重来",
       "hard": "困难",
       "good": "良好",

src/app/(features)/srt-player/page.tsx

@@ -70,7 +70,7 @@ export default function SrtPlayerPage() {
     uploadVideo((url) => {
       setVideoUrl(url);
     }, (error) => {
-      toast.error(t('videoUploadFailed') + ': ' + error.message);
+      toast.error(srtT('videoUploadFailed') + ': ' + error.message);
     });
   };
 
@@ -78,7 +78,7 @@ export default function SrtPlayerPage() {
     uploadSubtitle((url) => {
       setSubtitleUrl(url);
     }, (error) => {
-      toast.error(t('subtitleUploadFailed') + ': ' + error.message);
+      toast.error(srtT('subtitleUploadFailed') + ': ' + error.message);
     });
   };
 

src/app/decks/[deck_id]/learn/Memorize.tsx

@@ -357,7 +357,7 @@ const Memorize: React.FC<MemorizeProps> = ({ deckId, deckName }) => {
               <ChevronLeft className="w-5 h-5" />
             </LightButton>
             <span className="text-gray-500 text-sm">
-              {t("nextCard", { default: "Next" })}
+              {t("nextCard")}
               <span className="ml-2 text-xs opacity-60">Space</span>
             </span>
             <LightButton