feat: support translation for profile abount

src/services/libre-translate.service.ts

@@ -13,7 +13,10 @@ class LibreTranslateService {
     target: string,
     server?: string,
     api_key?: string
-  ): Promise<string | undefined> {
+  ): Promise<string> {
+    if (!text) {
+      return text
+    }
     if (!server) {
       throw new Error('LibreTranslate server address is not configured')
     }
@@ -27,7 +30,11 @@ class LibreTranslateService {
     if (!response.ok) {
       throw new Error(data.error ?? 'Failed to translate')
     }
-    return data.translatedText
+    const translatedText = data.translatedText
+    if (!translatedText) {
+      throw new Error('Translation failed')
+    }
+    return translatedText
   }
 }
 

src/services/translation.service.ts

@@ -60,14 +60,21 @@ class TranslationService {
     }
   }
 
-  async translate(text: string, target: string): Promise<string | undefined> {
+  async translate(text: string, target: string): Promise<string> {
+    if (!text) {
+      return text
+    }
     try {
       const data = await this._fetch({
         path: '/v1/translation/translate',
         method: 'POST',
         body: JSON.stringify({ q: text, target })
       })
-      return data.translatedText
+      const translatedText = data.translatedText
+      if (!translatedText) {
+        throw new Error('Translation failed')
+      }
+      return translatedText
     } catch (error) {
       const errMsg = error instanceof Error ? error.message : ''
       throw new Error(errMsg || 'Failed to translate')