diff --git a/android/src/screens/ChatScreen.tsx b/android/src/screens/ChatScreen.tsx
index f56ad72..4959cec 100644
--- a/android/src/screens/ChatScreen.tsx
+++ b/android/src/screens/ChatScreen.tsx
@@ -263,15 +263,22 @@ const ChatScreen: React.FC = () => {
       if (message.type === 'chat') {
         const sender = (message.payload.sender as string) || '';
 
-        // STT-Ergebnis: Transkribierten Text in die Sprach-Bubble schreiben
+        // STT-Ergebnis: Transkribierten Text in die Sprach-Bubble schreiben.
+        // WICHTIG: Nur die ERSTE noch unaufgeloeste Aufnahme matchen — sonst
+        // wuerde bei zwei kurz hintereinander gesendeten Audios beide Bubbles
+        // den gleichen Text bekommen (Bug: zweite Antwort ueberschreibt erste).
         if (sender === 'stt') {
           const sttText = (message.payload.text as string) || '';
           if (sttText) {
-            setMessages(prev => prev.map(m =>
-              m.sender === 'user' && m.text.includes('Spracheingabe wird verarbeitet')
-                ? { ...m, text: `\uD83C\uDFA4 ${sttText}` }
-                : m
-            ));
+            setMessages(prev => {
+              const idx = prev.findIndex(m =>
+                m.sender === 'user' && m.text.includes('Spracheingabe wird verarbeitet')
+              );
+              if (idx < 0) return prev;
+              const next = prev.slice();
+              next[idx] = { ...next[idx], text: `\uD83C\uDFA4 ${sttText}` };
+              return next;
+            });
           }
           return;
         }
@@ -572,6 +579,8 @@ const ChatScreen: React.FC = () => {
     };
     setMessages(prev => capMessages([...prev, userMsg]));
 
+    console.log('[Chat] sende mit voice=%s speed=%s',
+                localXttsVoiceRef.current || '(default)', ttsSpeedRef.current);
     // An RVS senden — mit geraetelokaler Voice (Bridge nutzt sie fuer die Antwort)
     rvs.send('chat', {
       text,
diff --git a/android/src/services/audio.ts b/android/src/services/audio.ts
index a0cd062..d0087f0 100644
--- a/android/src/services/audio.ts
+++ b/android/src/services/audio.ts
@@ -328,11 +328,12 @@ class AudioService {
       };
       if (autoStop) {
         const vadSilenceMs = await loadVadSilenceMs();
-        console.log('[Audio] VAD-Stille:', vadSilenceMs, 'ms');
+        console.log('[Audio] startRecording: autoStop=true, VAD-Stille=%dms, MAX=%dms',
+                    vadSilenceMs, MAX_RECORDING_MS);
         this.vadTimer = setInterval(() => {
           const silenceDuration = Date.now() - this.lastSpeechTime;
           if (silenceDuration >= vadSilenceMs) {
-            fireSilenceOnce(`VAD ${silenceDuration}ms Stille`);
+            fireSilenceOnce(`VAD ${silenceDuration}ms Stille (Schwelle=${vadSilenceMs}ms)`);
           }
         }, 200);
         // Notbremse: Nach MAX_RECORDING_MS zwangsweise stoppen
diff --git a/android/src/services/wakeword.ts b/android/src/services/wakeword.ts
index fa9f4d7..c0029f8 100644
--- a/android/src/services/wakeword.ts
+++ b/android/src/services/wakeword.ts
@@ -17,6 +17,7 @@
  */
 
 import AsyncStorage from '@react-native-async-storage/async-storage';
+import { ToastAndroid } from 'react-native';
 
 type WakeWordCallback = () => void;
 type StateCallback = (state: WakeWordState) => void;
@@ -80,10 +81,20 @@ class WakeWordService {
 
     // Laufende Instanz stoppen
     await this.disposePorcupine();
-    if (!this.accessKey) return false;
+    if (!this.accessKey) {
+      console.warn('[WakeWord] configure: kein Access Key gesetzt');
+      return false;
+    }
 
     // Neu initialisieren
-    return this.initPorcupine();
+    const ok = await this.initPorcupine();
+    if (!ok) {
+      ToastAndroid.show(
+        `Wake-Word "${this.keyword}" konnte nicht initialisiert werden — Logs pruefen`,
+        ToastAndroid.LONG,
+      );
+    }
+    return ok;
   }
 
   private async initPorcupine(): Promise<boolean> {
@@ -117,10 +128,14 @@ class WakeWordService {
             this.disposePorcupine().catch(() => {});
           },
         );
-        console.log('[WakeWord] Porcupine init OK (keyword=%s)', this.keyword);
+        console.log('[WakeWord] Porcupine init OK (keyword=%s, manager=%s)',
+                    this.keyword, this.porcupine ? 'created' : 'NULL');
         return true;
-      } catch (err) {
-        console.warn('[WakeWord] Porcupine init fehlgeschlagen:', err);
+      } catch (err: any) {
+        console.warn('[WakeWord] Porcupine init fehlgeschlagen:', err?.message || err);
+        console.warn('[WakeWord] err details:', JSON.stringify({
+          name: err?.name, code: err?.code, stack: err?.stack?.slice(0, 200),
+        }));
         this.porcupine = null;
         return false;
       } finally {
@@ -146,11 +161,24 @@ class WakeWordService {
       try {
         await this.porcupine.start();
         console.log('[WakeWord] armed — warte auf Wake Word "%s"', this.keyword);
+        ToastAndroid.show(`Lausche auf "${this.keyword}"`, ToastAndroid.SHORT);
         this.setState('armed');
         return true;
-      } catch (err) {
-        console.warn('[WakeWord] Porcupine start fehlgeschlagen — Fallback Direkt-Konversation:', err);
+      } catch (err: any) {
+        console.warn('[WakeWord] Porcupine start fehlgeschlagen — Fallback Direkt-Konversation:',
+                     err?.message || err);
+        ToastAndroid.show(
+          `Wake-Word-Start failed: ${err?.message || err}`,
+          ToastAndroid.LONG,
+        );
       }
+    } else {
+      // Kein Porcupine init → User explicit informieren
+      console.warn('[WakeWord] Porcupine nicht initialisiert — Access Key fehlt? Fallback Direkt-Konversation');
+      ToastAndroid.show(
+        'Wake-Word nicht verfuegbar — Access Key in Settings setzen',
+        ToastAndroid.LONG,
+      );
     }
     // Fallback: direkt in die Konversation
     console.log('[WakeWord] Konversation startet sofort (kein Wake-Word)');
diff --git a/bridge/aria_bridge.py b/bridge/aria_bridge.py
index 368ebf1..8a7ae57 100644
--- a/bridge/aria_bridge.py
+++ b/bridge/aria_bridge.py
@@ -942,7 +942,8 @@ class ARIABridge:
                 },
                 "timestamp": int(asyncio.get_event_loop().time() * 1000),
             })
-            logger.info("[core] XTTS-Request gesendet (%s): '%s'", xtts_voice or "default", tts_text[:60])
+            logger.info("[core] XTTS-Request gesendet (voice=%s, speed=%.2fx): '%s'",
+                        xtts_voice or "default", xtts_speed, tts_text[:60])
         except Exception as e:
             logger.error("[core] XTTS-Request fehlgeschlagen: %s — kein Audio", e)
 
diff --git a/xtts/f5tts/bridge.py b/xtts/f5tts/bridge.py
index 12f6015..6d22b3d 100644
--- a/xtts/f5tts/bridge.py
+++ b/xtts/f5tts/bridge.py
@@ -507,7 +507,8 @@ async def _do_tts(ws, runner: F5Runner, text: str, voice: str,
             ref_wav_str, ref_text = str(pair[0]), pair[1].read_text(encoding="utf-8").strip()
 
     sentences = split_sentences(text)
-    logger.info("F5-TTS: %d Satz(e), voice=%s (%s)", len(sentences), voice or "default", ref_wav_str)
+    logger.info("F5-TTS: %d Satz(e), voice=%s, speed=%.2fx (%s)",
+                len(sentences), voice or "default", speed, ref_wav_str)
 
     chunk_index = 0
     pcm_sr = TARGET_SR