feat(logger): Verbose-Logging-Toggle in Settings → Protokoll

console.log wird global stummgeschaltet wenn aus — spart adb-logcat-
Speicher wenn alles laeuft. console.warn/error bleiben immer aktiv.
Default an.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

android/src/screens/SettingsScreen.tsx

@@ -51,6 +51,7 @@ import {
   TTS_SPEED_STORAGE_KEY,
 } from '../services/audio';
 import audioService from '../services/audio';
+import { isVerboseLogging, setVerboseLogging } from '../services/logger';
 import {
   isWakeReadySoundEnabled,
   setWakeReadySoundEnabled,
@@ -137,6 +138,7 @@ const SettingsScreen: React.FC = () => {
   const [showVadInfo, setShowVadInfo] = useState(false);
   const [apkCacheInfo, setApkCacheInfo] = useState<{count: number, totalMB: number} | null>(null);
   const [ttsCacheInfo, setTtsCacheInfo] = useState<{count: number, totalMB: number} | null>(null);
+  const [verboseLogging, setVerboseLoggingState] = useState<boolean>(isVerboseLogging());
   const [ttsSpeed, setTtsSpeed] = useState<number>(TTS_SPEED_DEFAULT);
   const [wakeKeyword, setWakeKeyword] = useState<string>(DEFAULT_KEYWORD);
   const [wakeStatus, setWakeStatus] = useState<string>('');
@@ -1291,6 +1293,28 @@ const SettingsScreen: React.FC = () => {
       {/* === Logs === */}
       {currentSection === 'protocol' && (<>
       <Text style={styles.sectionTitle}>Protokoll</Text>
+
+      {/* Verbose-Logging-Toggle */}
+      <View style={styles.card}>
+        <View style={styles.toggleRow}>
+          <Text style={styles.toggleLabel}>Verbose Logging</Text>
+          <Switch
+            value={verboseLogging}
+            onValueChange={(v) => {
+              setVerboseLogging(v);
+              setVerboseLoggingState(v);
+            }}
+            trackColor={{ false: '#3A3A52', true: '#0096FF' }}
+            thumbColor={verboseLogging ? '#FFFFFF' : '#666680'}
+          />
+        </View>
+        <Text style={styles.toggleHint}>
+          Wenn aus: console.log wird global stummgeschaltet (Speicher schonen).
+          Warnungen und Fehler bleiben immer aktiv. Bei Bedarf einschalten zum
+          Debuggen via adb logcat.
+        </Text>
+      </View>
+
       <View style={styles.card}>
         {/* Tab-Umschalter */}
         <View style={styles.tabRow}>