Füge Unterstützung für die Massenübersetzung hinzu und verbessere die Platzhalterbehandlung

mainwindow.h

@@ -41,6 +41,7 @@ private slots:
     void onDeeplTranslationPossibilitiesLoaded(QNetworkReply *reply);
     void on_deeplTranslateFrom_currentTextChanged(const QString &sourceLanguage);
     void on_autoTranslateButton_clicked();
+    void on_bulkAutoTranslateButton_clicked();
     void on_searchButton_clicked();
     void on_searchNextButton_clicked();
     void on_deeplApiKey_editingFinished();
@@ -58,6 +59,12 @@ private:
         QString oldText;
         QString newText;
     };
+    struct BulkTranslationItem {
+        QTreeWidgetItem *item;
+        QString originalText;
+        QString translatedText;
+        QVector<QString> placeholders;
+    };
     std::unique_ptr<QNetworkAccessManager> networkManager;
     Ui::MainWindow *ui;
     QJsonObject configuration;
@@ -76,10 +83,19 @@ private:
     void loadDeeplTranslationPossibilities();
     void renderDeeplSources();
     void translationRequestFinished(QNetworkReply *reply);
+    void requestNextBulkTranslationBatch();
+    void handleBulkTranslationReply(QNetworkReply *reply, int firstItem, int itemCount);
+    void showBulkTranslationDialog();
     void onDeeplTranslationAuthenticationError(QNetworkReply *reply, QAuthenticator *authenticator);
     void countAndShowUntranslated();
     void searchNext();
     QVector<TranslationItem> parseTextBlock(const QString &block);
     void setConfigValue(const QString &key, const QString &value);
+    // DeepL placeholder protection: maps tag id -> original placeholder text
+    QVector<QString> deeplPlaceholderMap;
+    QString protectPlaceholdersForDeepl(const QString &input);
+    QString restorePlaceholdersFromDeepl(const QString &input);
+    QVector<BulkTranslationItem> bulkTranslations;
+    int nextBulkTranslationIndex{0};
 };
 #endif // MAINWINDOW_H