Ohr-Button Absturz gefixt (LiveAudioStream entfernt, Phase 1 , Play-Button in ARIA-Nachrichten fuer Sprachwiedergabe

- [x] Chat-Suche in der App (Lupe in Statusleiste)
- [x] Watchdog mit Container-Restart (2min Warnung → 5min doctor --fix → 8min Restart),Abbrechen-Button im Diagnostic Chat
- [x] Nachrichten Backup on-the-fly (/shared/config/chat_backup.jsonl)
- [x] Grosse Nachrichten satzweise aufteilen fuer TTS
- [x] RVS Nachrichten vom Smartphone gehen durch

android/src/screens/ChatScreen.tsx

@@ -91,6 +91,8 @@ const ChatScreen: React.FC = () => {
   const [gpsEnabled, setGpsEnabled] = useState(false);
   const [wakeWordActive, setWakeWordActive] = useState(false);
   const [fullscreenImage, setFullscreenImage] = useState<string | null>(null);
+  const [searchQuery, setSearchQuery] = useState('');
+  const [searchVisible, setSearchVisible] = useState(false);
 
   const flatListRef = useRef<FlatList>(null);
   const messageIdCounter = useRef(0);
@@ -581,6 +583,18 @@ const ChatScreen: React.FC = () => {
             {item.text}
           </Text>
         )}
+        {/* Play-Button fuer ARIA-Nachrichten */}
+        {!isUser && item.text.length > 0 && (
+          <TouchableOpacity
+            style={styles.playButton}
+            onPress={() => {
+              // TTS-Request an Bridge senden
+              rvs.send('tts_request' as any, { text: item.text, voice: '' });
+            }}
+          >
+            <Text style={styles.playButtonText}>{'\uD83D\uDD0A'}</Text>
+          </TouchableOpacity>
+        )}
         <Text style={styles.timestamp}>{time}</Text>
       </View>
     );
@@ -603,12 +617,32 @@ const ChatScreen: React.FC = () => {
           {connectionState === 'connected' ? 'Verbunden' :
            connectionState === 'connecting' ? 'Verbinde...' : 'Getrennt'}
         </Text>
+        <TouchableOpacity onPress={() => setSearchVisible(!searchVisible)} style={{marginLeft: 'auto', paddingHorizontal: 8}}>
+          <Text style={{fontSize: 16}}>{'\uD83D\uDD0D'}</Text>
+        </TouchableOpacity>
       </View>
 
+      {/* Suchleiste */}
+      {searchVisible && (
+        <View style={styles.searchBar}>
+          <TextInput
+            style={styles.searchInput}
+            value={searchQuery}
+            onChangeText={setSearchQuery}
+            placeholder="Chat durchsuchen..."
+            placeholderTextColor="#555570"
+            autoFocus
+          />
+          <TouchableOpacity onPress={() => { setSearchVisible(false); setSearchQuery(''); }}>
+            <Text style={{color: '#FF3B30', fontSize: 14, paddingHorizontal: 8}}>X</Text>
+          </TouchableOpacity>
+        </View>
+      )}
+
       {/* Nachrichtenliste */}
       <FlatList
         ref={flatListRef}
-        data={messages}
+        data={searchQuery ? messages.filter(m => m.text.toLowerCase().includes(searchQuery.toLowerCase())) : messages}
         keyExtractor={item => item.id}
         renderItem={renderMessage}
         contentContainerStyle={styles.messageList}
@@ -887,6 +921,30 @@ const styles = StyleSheet.create({
   wakeWordIcon: {
     fontSize: 16,
   },
+  searchBar: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    backgroundColor: '#12122A',
+    paddingHorizontal: 12,
+    paddingVertical: 6,
+    borderBottomWidth: 1,
+    borderBottomColor: '#1E1E2E',
+  },
+  searchInput: {
+    flex: 1,
+    color: '#FFFFFF',
+    fontSize: 14,
+    paddingVertical: 4,
+  },
+  playButton: {
+    alignSelf: 'flex-end',
+    paddingHorizontal: 8,
+    paddingVertical: 2,
+    marginTop: 4,
+  },
+  playButtonText: {
+    fontSize: 16,
+  },
   fullscreenOverlay: {
     flex: 1,
     backgroundColor: 'rgba(0,0,0,0.95)',

android/src/services/wakeword.ts

@@ -1,21 +1,12 @@
 /**
  * Wake Word Service — "ARIA" Erkennung
  *
- * Nutzt react-native-live-audio-stream fuer kontinuierliches Mikrofon-Monitoring.
- * Erkennt Sprache per Energie-Schwellwert und sendet kurze Audio-Clips
- * zur serverseitigen Wake-Word-Pruefung (openwakeword in der Bridge).
+ * Phase 1: Deaktiviert — react-native-live-audio-stream hat native Bridge-Probleme.
+ * Nutzt stattdessen Tap-to-Talk (VoiceButton) als primaeren Eingabemodus.
  *
- * Architektur:
- *   App (Mikrofon) → Energie-Erkennung → Audio-Buffer
- *   → RVS "wake_check" → Bridge → openwakeword → Bestaetigung
- *   → App startet Aufnahme
- *
- * Aktuell (Phase 1): Einfacher Tap-to-Talk + Auto-Stop.
- * Spaeter (Phase 2): Porcupine on-device "ARIA" Keyword.
+ * Phase 2: Porcupine on-device "ARIA" Keyword (geplant).
  */
 
-import LiveAudioStream from 'react-native-live-audio-stream';
-
 type WakeWordCallback = () => void;
 type StateCallback = (state: WakeWordState) => void;
 
@@ -25,47 +16,16 @@ class WakeWordService {
   private state: WakeWordState = 'off';
   private wakeCallbacks: WakeWordCallback[] = [];
   private stateCallbacks: StateCallback[] = [];
-  private isInitialized = false;
 
   /** Wake Word Erkennung starten */
   async start(): Promise<boolean> {
     if (this.state === 'listening') return true;
 
     try {
-      if (!this.isInitialized) {
-        LiveAudioStream.init({
-          sampleRate: 16000,
-          channels: 1,
-          bitsPerSample: 16,
-          audioSource: 6, // VOICE_RECOGNITION
-          bufferSize: 4096,
-        });
-        this.isInitialized = true;
-      }
-
-      // Audio-Stream starten und auf Energie pruefen
-      LiveAudioStream.start();
-
-      LiveAudioStream.on('data', (base64Chunk: string) => {
-        if (this.state !== 'listening') return;
-
-        // Base64 → Int16 Array → RMS berechnen
-        const raw = this._base64ToInt16(base64Chunk);
-        const rms = this._calculateRMS(raw);
-
-        // Schwellwert: wenn laut genug → Wake Word erkannt
-        // Phase 1: Einfache Energie-Erkennung (jemand spricht)
-        // Phase 2: Porcupine "ARIA" Keyword
-        if (rms > 2000) {
-          this.setState('detected');
-          this.wakeCallbacks.forEach(cb => cb());
-          // Nach Detection kurz pausieren, Aufnahme uebernimmt das Mikrofon
-          this.stop();
-        }
-      });
-
+      // Phase 1: LiveAudioStream deaktiviert (native Bridge instabil)
+      // Stattdessen: Tap-to-Talk als primaerer Modus
+      console.log('[WakeWord] Wake Word ist in Phase 1 noch nicht verfuegbar — nutze Tap-to-Talk');
       this.setState('listening');
-      console.log('[WakeWord] Listening gestartet');
       return true;
     } catch (err) {
       console.error('[WakeWord] Start fehlgeschlagen:', err);
@@ -75,22 +35,12 @@ class WakeWordService {
 
   /** Wake Word Erkennung stoppen */
   stop(): void {
-    if (this.state === 'off') return;
-    try {
-      LiveAudioStream.stop();
-    } catch {}
     this.setState('off');
-    console.log('[WakeWord] Gestoppt');
   }
 
   /** Nach Aufnahme erneut starten */
   async resume(): Promise<void> {
-    // Kurze Pause damit Aufnahme das Mikrofon freigeben kann
-    setTimeout(() => {
-      if (this.state === 'off') {
-        this.start();
-      }
-    }, 500);
+    // Nichts zu tun in Phase 1
   }
 
   // --- Callbacks ---
@@ -113,32 +63,12 @@ class WakeWordService {
     return this.state;
   }
 
-  // --- Hilfsfunktionen ---
-
   private setState(state: WakeWordState): void {
     if (this.state !== state) {
       this.state = state;
       this.stateCallbacks.forEach(cb => cb(state));
     }
   }
-
-  private _base64ToInt16(base64: string): Int16Array {
-    const binary = atob(base64);
-    const bytes = new Uint8Array(binary.length);
-    for (let i = 0; i < binary.length; i++) {
-      bytes[i] = binary.charCodeAt(i);
-    }
-    return new Int16Array(bytes.buffer);
-  }
-
-  private _calculateRMS(samples: Int16Array): number {
-    if (samples.length === 0) return 0;
-    let sum = 0;
-    for (let i = 0; i < samples.length; i++) {
-      sum += samples[i] * samples[i];
-    }
-    return Math.sqrt(sum / samples.length);
-  }
 }
 
 const wakeWordService = new WakeWordService();