release: bump version to 0.0.3.5

- scrollToIndex targets last message at bottom of viewport
- onScrollToIndexFailed fallback to scrollToEnd
- More reliable than scrollToEnd with dynamic heights

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

android/android/app/build.gradle

@@ -79,8 +79,8 @@ android {
         applicationId "com.ariacockpit"
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 303
-        versionName "0.0.3.3"
+        versionCode 305
+        versionName "0.0.3.5"
         // Fallback fuer Libraries mit Product Flavors
         missingDimensionStrategy 'react-native-camera', 'general'
     }

android/package.json

@@ -1,6 +1,6 @@
 {
   "name": "aria-cockpit",
-  "version": "0.0.3.3",
+  "version": "0.0.3.5",
   "private": true,
   "scripts": {
     "android": "react-native run-android",

android/src/screens/ChatScreen.tsx

@@ -373,13 +373,26 @@ const ChatScreen: React.FC = () => {
   const shouldAutoScroll = useRef(true);
   const lastMessageCount = useRef(0);
 
-  // Bei neuen Nachrichten: sofort nach unten
+  // Bei neuen Nachrichten oder App-Start: nach unten springen
   useEffect(() => {
-    if (messages.length > lastMessageCount.current && shouldAutoScroll.current) {
-      // Kurzer Delay damit FlatList rendern kann
-      setTimeout(() => {
-        flatListRef.current?.scrollToEnd({ animated: messages.length > lastMessageCount.current + 1 ? false : true });
-      }, 150);
+    if (messages.length > 0 && shouldAutoScroll.current) {
+      const isInitial = lastMessageCount.current === 0;
+      const scrollToBottom = () => {
+        try {
+          flatListRef.current?.scrollToIndex({
+            index: messages.length - 1,
+            animated: !isInitial,
+            viewPosition: 1, // 1 = Item am unteren Rand
+          });
+        } catch {
+          // Fallback wenn Index nicht berechnet werden kann
+          flatListRef.current?.scrollToEnd({ animated: !isInitial });
+        }
+      };
+      const delays = isInitial ? [200, 500, 1000] : [150];
+      for (const delay of delays) {
+        setTimeout(scrollToBottom, delay);
+      }
     }
     lastMessageCount.current = messages.length;
   }, [messages]);
@@ -687,6 +700,11 @@ const ChatScreen: React.FC = () => {
         showsVerticalScrollIndicator={false}
         onScrollBeginDrag={handleScrollBeginDrag}
         onScrollEndDrag={handleScrollEndDrag}
+        onScrollToIndexFailed={(info) => {
+          setTimeout(() => {
+            flatListRef.current?.scrollToEnd({ animated: false });
+          }, 200);
+        }}
         ListEmptyComponent={
           <View style={styles.emptyContainer}>
             <Text style={styles.emptyIcon}>{'\uD83E\uDD16'}</Text>