added shared volume to diagnostic, added folder picker to android app, fixed bridge for attachment uploading, fixed hopefully chat history in android app

android/src/screens/SettingsScreen.tsx

@@ -18,6 +18,7 @@ import {
 } from 'react-native';
 import AsyncStorage from '@react-native-async-storage/async-storage';
 import RNFS from 'react-native-fs';
+import DocumentPicker from 'react-native-document-picker';
 import rvs, { ConnectionState, RVSMessage, ConnectionConfig, ConnectionLogEntry } from '../services/rvs';
 import ModeSelector from '../components/ModeSelector';
 import QRScanner from '../components/QRScanner';
@@ -115,28 +116,39 @@ const SettingsScreen: React.FC = () => {
     Alert.alert('Gespeichert', `Neuer Speicherort:\n${clean}\n\nWird ab der naechsten Nachricht verwendet.`);
   }, []);
 
-  const storagePaths = [
-    { label: 'App-intern (Standard)', path: DEFAULT_STORAGE_PATH },
-    { label: 'Externer Speicher', path: '/storage/emulated/0/ARIA/attachments' },
-    { label: 'SD-Karte', path: '/storage/sdcard1/ARIA/attachments' },
-    { label: 'Downloads', path: '/storage/emulated/0/Download/ARIA' },
-  ];
-
   const showPathPicker = useCallback(() => {
-    const options = storagePaths.map(p => p.label);
-    options.push('Eigenen Pfad eingeben');
-    options.push('Abbrechen');
-
     Alert.alert(
       'Speicherort waehlen',
       'Wo sollen Anhaenge gespeichert werden?',
       [
-        ...storagePaths.map(p => ({
-          text: p.label,
-          onPress: () => saveStoragePath(p.path),
-        })),
         {
-          text: 'Eigenen Pfad eingeben',
+          text: 'Ordner auswaehlen...',
+          onPress: async () => {
+            try {
+              const result = await DocumentPicker.pickDirectory();
+              if (result?.uri) {
+                // SAF URI decodieren (content://com.android.externalstorage...)
+                const decoded = decodeURIComponent(result.uri);
+                // Versuche einen lesbaren Pfad zu extrahieren
+                const match = decoded.match(/primary[:%]3A(.+)/);
+                const readablePath = match
+                  ? `/storage/emulated/0/${match[1].replace(/%2F|%3A/g, '/')}`
+                  : decoded;
+                saveStoragePath(readablePath);
+              }
+            } catch (e: any) {
+              if (!DocumentPicker.isCancel(e)) {
+                Alert.alert('Fehler', 'Ordnerauswahl fehlgeschlagen');
+              }
+            }
+          },
+        },
+        {
+          text: 'App-intern (Standard)',
+          onPress: () => saveStoragePath(DEFAULT_STORAGE_PATH),
+        },
+        {
+          text: 'Pfad manuell eingeben',
           onPress: () => { setTempPath(storagePath); setEditingPath(true); },
         },
         { text: 'Abbrechen', style: 'cancel' as const },