feat(translator): add custom target language input

- Replace Select with Input for custom language entry
- Users can now type any target language they want
- Add i18n translations for all 8 languages

messages/de-DE.json

@@ -373,7 +373,8 @@
       "success": "Textpaar zum Ordner hinzugefügt",
       "error": "Fehler beim Hinzufügen des Textpaars zum Ordner"
     },
-    "autoSave": "Autom. Speichern"
+    "autoSave": "Autom. Speichern",
+    "customLanguage": "oder Sprache eingeben..."
   },
   "dictionary": {
     "title": "Wörterbuch",

messages/en-US.json

@@ -400,6 +400,7 @@
     "auto": "Auto",
     "generateIPA": "generate ipa",
     "translateInto": "translate into",
+    "customLanguage": "or type language...",
     "chinese": "Chinese",
     "english": "English",
     "french": "French",

messages/fr-FR.json

@@ -402,7 +402,8 @@
       "success": "Paire de texte ajoutée au dossier",
       "error": "Échec de l'ajout de la paire de texte au dossier"
     },
-    "autoSave": "Sauvegarde automatique"
+    "autoSave": "Sauvegarde automatique",
+    "customLanguage": "ou tapez la langue..."
   },
   "dictionary": {
     "title": "Dictionnaire",
@@ -508,15 +509,6 @@
       "view": "Voir"
     }
   },
-  "follow": {
-    "follow": "Suivre",
-    "following": "Abonnements",
-    "followers": "Abonnés",
-    "followersOf": "Abonnés de {username}",
-    "followingOf": "Abonnements de {username}",
-    "noFollowers": "Pas encore d'abonnés",
-    "noFollowing": "Ne suit personne"
-  },
   "follow": {
     "follow": "Suivre",
     "following": "Abonné",

messages/it-IT.json

@@ -402,7 +402,8 @@
       "success": "Coppia di testo aggiunta alla cartella",
       "error": "Impossibile aggiungere coppia di testo alla cartella"
     },
-    "autoSave": "Salvataggio Automatico"
+    "autoSave": "Salvataggio Automatico",
+    "customLanguage": "o digita lingua..."
   },
   "dictionary": {
     "title": "Dizionario",
@@ -508,15 +509,6 @@
       "view": "Visualizza"
     }
   },
-  "follow": {
-    "follow": "Segui",
-    "following": "Seguiti",
-    "followers": "Seguaci",
-    "followersOf": "Seguaci di {username}",
-    "followingOf": "Seguiti di {username}",
-    "noFollowers": "Nessun seguace ancora",
-    "noFollowing": "Non segui ancora nessuno"
-  },
   "follow": {
     "follow": "Segui",
     "following": "Stai seguendo",

messages/ja-JP.json

@@ -411,7 +411,8 @@
       "success": "テキストペアがフォルダーに追加されました",
       "error": "テキストペアをフォルダーに追加できませんでした"
     },
-    "autoSave": "自動保存"
+    "autoSave": "自動保存",
+    "customLanguage": "または言語を入力..."
   },
   "dictionary": {
     "title": "辞書",

messages/ko-KR.json

@@ -402,7 +402,8 @@
       "success": "텍스트 쌍이 폴더에 추가됨",
       "error": "폴더에 텍스트 쌍 추가 실패"
     },
-    "autoSave": "자동 저장"
+    "autoSave": "자동 저장",
+    "customLanguage": "또는 언어 입력..."
   },
   "dictionary": {
     "title": "사전",
@@ -508,15 +509,6 @@
       "view": "보기"
     }
   },
-  "follow": {
-    "follow": "팔로우",
-    "following": "팔로잉",
-    "followers": "팔로워",
-    "followersOf": "{username}의 팔로워",
-    "followingOf": "{username}의 팔로잉",
-    "noFollowers": "아직 팔로워가 없습니다",
-    "noFollowing": "아직 팔로잉하는 사람이 없습니다"
-  },
   "follow": {
     "follow": "팔로우",
     "following": "팔로잉",

messages/ug-CN.json

@@ -402,7 +402,8 @@
       "success": "تېكىست جۈپى قىسقۇچقا قوشۇلدى",
       "error": "تېكىست جۈپىنى قىسقۇچقا قوشۇش مەغلۇپ بولدى"
     },
-    "autoSave": "ئاپتوماتىك ساقلاش"
+    "autoSave": "ئاپتوماتىك ساقلاش",
+    "customLanguage": "ياكى تىل تىل كىرۇڭ..."
   },
   "dictionary": {
     "title": "لۇغەت",
@@ -508,15 +509,6 @@
       "view": "كۆرۈش"
     }
   },
-  "follow": {
-    "follow": "ئەگىشىش",
-    "following": "ئەگىشىۋاتقانلار",
-    "followers": "ئەگەشكۈچىلەر",
-    "followersOf": "{username} نىڭ ئەگەشكۈچىلىرى",
-    "followingOf": "{username} نىڭ ئەگىشىۋاتقانلىرى",
-    "noFollowers": "تېخى ئەگەشكۈچى يوق",
-    "noFollowing": "تېخى ئەگىشىۋاتقان يوق"
-  },
   "follow": {
     "follow": "ئەگىشىش",
     "following": "ئەگىشىۋاتىدۇ",

messages/zh-CN.json

@@ -424,7 +424,8 @@
       "success": "文本对已添加到文件夹",
       "error": "添加文本对到文件夹失败"
     },
-    "autoSave": "自动保存"
+    "autoSave": "自动保存",
+    "customLanguage": "或输入语言..."
   },
   "dictionary": {
     "title": "词典",

src/app/(features)/translator/page.tsx

@@ -1,8 +1,8 @@
 "use client";
 
-import { LightButton, PrimaryButton,
- IconClick } from "@/design-system/base/button";
+import { LightButton, PrimaryButton, IconClick } from "@/design-system/base/button";
 import { Select } from "@/design-system/base/select";
+import { Input } from "@/design-system/base/input";
 import { Textarea } from "@/design-system/base/textarea";
 import { IMAGES } from "@/config/images";
 import { useAudioPlayer } from "@/hooks/useAudioPlayer";
@@ -46,6 +46,7 @@ export default function TranslatorPage() {
   const taref = useRef<HTMLTextAreaElement>(null);
   const [sourceLanguage, setSourceLanguage] = useState<string>("Auto");
   const [targetLanguage, setTargetLanguage] = useState<string>("Chinese");
+  const [customTargetLanguage, setCustomTargetLanguage] = useState<string>("");
   const [translationResult, setTranslationResult] = useState<TSharedTranslationResult | null>(null);
   const [needIpa, setNeedIpa] = useState(true);
   const [processing, setProcessing] = useState(false);
@@ -93,18 +94,18 @@ export default function TranslatorPage() {
     setProcessing(true);
 
     const sourceText = taref.current.value;
+    const effectiveTargetLanguage = customTargetLanguage.trim() || targetLanguage;
 
     // 判断是否需要强制重新翻译
-    // 只有当源文本、源语言和目标语言都与上次相同时，才强制重新翻译
     const forceRetranslate =
       lastTranslation?.sourceText === sourceText &&
       lastTranslation?.sourceLanguage === sourceLanguage &&
-      lastTranslation?.targetLanguage === targetLanguage;
+      lastTranslation?.targetLanguage === effectiveTargetLanguage;
 
     try {
       const result = await actionTranslateText({
         sourceText,
-        targetLanguage,
+        targetLanguage: effectiveTargetLanguage,
         forceRetranslate,
         needIpa,
         sourceLanguage: sourceLanguage === "Auto" ? undefined : sourceLanguage,
@@ -115,7 +116,7 @@ export default function TranslatorPage() {
         setLastTranslation({
           sourceText,
           sourceLanguage,
-          targetLanguage,
+          targetLanguage: effectiveTargetLanguage,
         });
       } else {
         toast.error(result.message || "翻译失败，请重试");
@@ -246,39 +247,43 @@ export default function TranslatorPage() {
           <div className="option2 w-full flex gap-1 items-center overflow-x-auto">
             <span className="shrink-0">{t("translateInto")}</span>
             <LightButton
-              selected={targetLanguage === "Chinese"}
-              onClick={() => setTargetLanguage("Chinese")}
+              selected={!customTargetLanguage && targetLanguage === "Chinese"}
+              onClick={() => {
+                setTargetLanguage("Chinese");
+                setCustomTargetLanguage("");
+              }}
               className="shrink-0 hidden lg:inline-flex"
             >
               {t("chinese")}
             </LightButton>
             <LightButton
-              selected={targetLanguage === "English"}
-              onClick={() => setTargetLanguage("English")}
+              selected={!customTargetLanguage && targetLanguage === "English"}
+              onClick={() => {
+                setTargetLanguage("English");
+                setCustomTargetLanguage("");
+              }}
               className="shrink-0 hidden lg:inline-flex"
             >
               {t("english")}
             </LightButton>
             <LightButton
-              selected={targetLanguage === "Japanese"}
-              onClick={() => setTargetLanguage("Japanese")}
+              selected={!customTargetLanguage && targetLanguage === "Japanese"}
+              onClick={() => {
+                setTargetLanguage("Japanese");
+                setCustomTargetLanguage("");
+              }}
               className="shrink-0 hidden xl:inline-flex"
             >
               {t("japanese")}
             </LightButton>
-            <Select
-              value={targetLanguage}
-              onChange={(e) => setTargetLanguage(e.target.value)}
-              variant="light"
+            <Input
+              variant="bordered"
               size="sm"
-              className="w-auto min-w-[100px] shrink-0"
-            >
-              {TARGET_LANGUAGES.map((lang) => (
-                <option key={lang.value} value={lang.value}>
-                  {t(lang.labelKey)}
-                </option>
-              ))}
-            </Select>
+              value={customTargetLanguage}
+              onChange={(e) => setCustomTargetLanguage(e.target.value)}
+              placeholder={t("customLanguage")}
+              className="w-auto min-w-[120px] shrink-0"
+            />
           </div>
         </div>
       </div>