added auto scroll, fixed stt for voice messages, fixed get answers in chat, hope fixed attachments

android/src/components/FileUpload.tsx

@@ -17,6 +17,7 @@ import {
 import DocumentPicker, {
   DocumentPickerResponse,
 } from 'react-native-document-picker';
+import RNFS from 'react-native-fs';
 
 // --- Typen ---
 
@@ -74,15 +75,17 @@ const FileUpload: React.FC<FileUploadProps> = ({ onFileSelected, onCancel }) =>
 
     setLoading(true);
     try {
-      // In Produktion: Datei lesen und zu Base64 konvertieren
-      // const base64 = await RNFS.readFile(selectedFile.fileCopyUri || selectedFile.uri, 'base64');
-      const base64Placeholder = '';
+      // Datei lesen und zu Base64 konvertieren
+      const filePath = selectedFile.fileCopyUri || selectedFile.uri;
+      // URI-Schema entfernen fuer RNFS (file:// → absoluter Pfad)
+      const cleanPath = filePath.replace('file://', '');
+      const base64 = await RNFS.readFile(cleanPath, 'base64');
 
       const fileData: FileData = {
         name: selectedFile.name || 'unbenannt',
         type: selectedFile.type || 'application/octet-stream',
         size: selectedFile.size || 0,
-        base64: base64Placeholder,
+        base64,
         uri: selectedFile.uri,
       };