feat(voice): add voice silence duration configuration

ios/Podfile.lock

@@ -49,13 +49,13 @@ PODS:
     - Flutter
   - image_picker_ios (0.0.1):
     - Flutter
+  - mic_stream_recorder (0.0.1):
+    - Flutter
   - package_info_plus (0.4.5):
     - Flutter
   - path_provider_foundation (0.0.1):
     - Flutter
     - FlutterMacOS
-  - record_ios (1.1.0):
-    - Flutter
   - SDWebImage (5.21.1):
     - SDWebImage/Core (= 5.21.1)
   - SDWebImage/Core (5.21.1)
@@ -96,9 +96,9 @@ DEPENDENCIES:
   - flutter_secure_storage (from `.symlinks/plugins/flutter_secure_storage/ios`)
   - flutter_tts (from `.symlinks/plugins/flutter_tts/ios`)
   - image_picker_ios (from `.symlinks/plugins/image_picker_ios/ios`)
+  - mic_stream_recorder (from `.symlinks/plugins/mic_stream_recorder/ios`)
   - package_info_plus (from `.symlinks/plugins/package_info_plus/ios`)
   - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/darwin`)
-  - record_ios (from `.symlinks/plugins/record_ios/ios`)
   - share_handler_ios (from `.symlinks/plugins/share_handler_ios/ios`)
   - share_handler_ios_models (from `.symlinks/plugins/share_handler_ios/ios/Models`)
   - share_plus (from `.symlinks/plugins/share_plus/ios`)
@@ -135,12 +135,12 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/flutter_tts/ios"
   image_picker_ios:
     :path: ".symlinks/plugins/image_picker_ios/ios"
+  mic_stream_recorder:
+    :path: ".symlinks/plugins/mic_stream_recorder/ios"
   package_info_plus:
     :path: ".symlinks/plugins/package_info_plus/ios"
   path_provider_foundation:
     :path: ".symlinks/plugins/path_provider_foundation/darwin"
-  record_ios:
-    :path: ".symlinks/plugins/record_ios/ios"
   share_handler_ios:
     :path: ".symlinks/plugins/share_handler_ios/ios"
   share_handler_ios_models:
@@ -172,9 +172,9 @@ SPEC CHECKSUMS:
   flutter_secure_storage: 1ed9476fba7e7a782b22888f956cce43e2c62f13
   flutter_tts: b88dbc8655d3dc961bc4a796e4e16a4cc1795833
   image_picker_ios: 7fe1ff8e34c1790d6fff70a32484959f563a928a
+  mic_stream_recorder: 27d2d1225563a3a28bf4019fc5cc198cffd7dad1
   package_info_plus: af8e2ca6888548050f16fa2f1938db7b5a5df499
   path_provider_foundation: 080d55be775b7414fd5a5ef3ac137b97b097e564
-  record_ios: f75fa1d57f840012775c0e93a38a7f3ceea1a374
   SDWebImage: f29024626962457f3470184232766516dee8dfea
   share_handler_ios: e2244e990f826b2c8eaa291ac3831569438ba0fb
   share_handler_ios_models: fc638c9b4330dc7f082586c92aee9dfa0b87b871

lib/core/persistence/persistence_keys.dart

@@ -28,6 +28,7 @@ final class PreferenceKeys {
   static const String ttsEngine = 'tts_engine'; // 'device' | 'server'
   static const String ttsServerVoiceId = 'tts_server_voice_id';
   static const String ttsServerVoiceName = 'tts_server_voice_name';
+  static const String voiceSilenceDuration = 'voice_silence_duration';
 }
 
 final class LegacyPreferenceKeys {

lib/core/services/settings_service.dart

@@ -35,6 +35,9 @@ class SettingsService {
       .quickPills; // StringList of identifiers e.g. ['web','image','tools']
   // Chat input behavior
   static const String _sendOnEnterKey = PreferenceKeys.sendOnEnterKey;
+  // Voice silence duration for auto-stop (milliseconds)
+  static const String _voiceSilenceDurationKey =
+      PreferenceKeys.voiceSilenceDuration;
   static Box<dynamic> _preferencesBox() =>
       Hive.box<dynamic>(HiveBoxNames.preferences);
 
@@ -157,6 +160,8 @@ class SettingsService {
         sttPreference: _parseSttPreference(
           box.get(PreferenceKeys.voiceSttPreference) as String?,
         ),
+        voiceSilenceDuration:
+            (box.get(_voiceSilenceDurationKey) as int? ?? 2000).clamp(300, 3000),
       ),
     );
   }
@@ -181,6 +186,7 @@ class SettingsService {
       PreferenceKeys.ttsVolume: settings.ttsVolume,
       PreferenceKeys.ttsEngine: settings.ttsEngine.name,
       PreferenceKeys.voiceSttPreference: settings.sttPreference.name,
+      _voiceSilenceDurationKey: settings.voiceSilenceDuration,
     };
 
     await box.putAll(updates);
@@ -331,6 +337,16 @@ class SettingsService {
     return _preferencesBox().put(_sendOnEnterKey, value);
   }
 
+  static Future<int> getVoiceSilenceDuration() {
+    final value = _preferencesBox().get(_voiceSilenceDurationKey) as int?;
+    return Future.value((value ?? 2000).clamp(300, 3000));
+  }
+
+  static Future<void> setVoiceSilenceDuration(int milliseconds) {
+    final sanitized = milliseconds.clamp(300, 3000);
+    return _preferencesBox().put(_voiceSilenceDurationKey, sanitized);
+  }
+
   /// Get effective animation duration considering all settings
   static Duration getEffectiveAnimationDuration(
     BuildContext context,
@@ -394,6 +410,7 @@ class AppSettings {
   final TtsEngine ttsEngine;
   final String? ttsServerVoiceId;
   final String? ttsServerVoiceName;
+  final int voiceSilenceDuration;
   const AppSettings({
     this.reduceMotion = false,
     this.animationSpeed = 1.0,
@@ -416,6 +433,7 @@ class AppSettings {
     this.ttsEngine = TtsEngine.auto,
     this.ttsServerVoiceId,
     this.ttsServerVoiceName,
+    this.voiceSilenceDuration = 2000,
   });
 
   AppSettings copyWith({
@@ -440,6 +458,7 @@ class AppSettings {
     TtsEngine? ttsEngine,
     Object? ttsServerVoiceId = const _DefaultValue(),
     Object? ttsServerVoiceName = const _DefaultValue(),
+    int? voiceSilenceDuration,
   }) {
     return AppSettings(
       reduceMotion: reduceMotion ?? this.reduceMotion,
@@ -471,6 +490,7 @@ class AppSettings {
       ttsServerVoiceName: ttsServerVoiceName is _DefaultValue
           ? this.ttsServerVoiceName
           : ttsServerVoiceName as String?,
+      voiceSilenceDuration: voiceSilenceDuration ?? this.voiceSilenceDuration,
     );
   }
 
@@ -497,6 +517,7 @@ class AppSettings {
         other.ttsEngine == ttsEngine &&
         other.ttsServerVoiceId == ttsServerVoiceId &&
         other.ttsServerVoiceName == ttsServerVoiceName &&
+        other.voiceSilenceDuration == voiceSilenceDuration &&
         _listEquals(other.quickPills, quickPills);
     // socketTransportMode intentionally not included in == to avoid frequent rebuilds
   }
@@ -524,6 +545,7 @@ class AppSettings {
       ttsEngine,
       ttsServerVoiceId,
       ttsServerVoiceName,
+      voiceSilenceDuration,
       Object.hashAllUnordered(quickPills),
     ]);
   }
@@ -679,6 +701,11 @@ class AppSettingsNotifier extends _$AppSettingsNotifier {
     await SettingsService.saveSettings(state);
   }
 
+  Future<void> setVoiceSilenceDuration(int milliseconds) async {
+    state = state.copyWith(voiceSilenceDuration: milliseconds);
+    await SettingsService.setVoiceSilenceDuration(milliseconds);
+  }
+
   Future<void> resetToDefaults() async {
     const defaultSettings = AppSettings();
     await SettingsService.saveSettings(defaultSettings);

lib/features/chat/services/voice_input_service.dart

@@ -26,6 +26,7 @@ class VoiceInputService {
   final MicStreamRecorder _recorder = MicStreamRecorder();
   final Stt _speech = Stt();
   final ApiService? _api;
+  final Ref? _ref;
   bool _isInitialized = false;
   bool _isListening = false;
   bool _localSttAvailable = false;
@@ -59,7 +60,9 @@ class VoiceInputService {
   bool get prefersServerOnly => _preference == SttPreference.serverOnly;
   bool get prefersDeviceOnly => _preference == SttPreference.deviceOnly;
 
-  VoiceInputService({ApiService? api}) : _api = api;
+  VoiceInputService({ApiService? api, Ref? ref})
+      : _api = api,
+        _ref = ref;
 
   void updatePreference(SttPreference preference) {
     _preference = preference;
@@ -451,7 +454,8 @@ class VoiceInputService {
       _silenceTimer?.cancel();
       _silenceTimer = null;
     } else if (_hasDetectedSpeech && _silenceTimer == null) {
-      _silenceTimer = Timer(const Duration(milliseconds: 800), () {
+      final silenceDuration = _ref?.read(appSettingsProvider).voiceSilenceDuration ?? 2000;
+      _silenceTimer = Timer(Duration(milliseconds: silenceDuration), () {
         if (_isListening && _usingServerStt) {
           unawaited(_stopListening());
         }
@@ -652,7 +656,7 @@ class VoiceInputService {
 
 final voiceInputServiceProvider = Provider<VoiceInputService>((ref) {
   final api = ref.watch(apiServiceProvider);
-  final service = VoiceInputService(api: api);
+  final service = VoiceInputService(api: api, ref: ref);
   final currentSettings = ref.read(appSettingsProvider);
   service.updatePreference(currentSettings.sttPreference);
   ref.listen<AppSettings>(appSettingsProvider, (previous, next) {

lib/features/profile/views/app_customization_page.dart

@@ -684,6 +684,83 @@ class AppCustomizationPage extends ConsumerWidget {
                   ),
                 ),
               ],
+              if (settings.sttPreference == SttPreference.serverOnly ||
+                  (settings.sttPreference == SttPreference.auto &&
+                      serverAvailable)) ...[
+                const SizedBox(height: Spacing.md),
+                const Divider(),
+                const SizedBox(height: Spacing.md),
+                Row(
+                  children: [
+                    Expanded(
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          Text(
+                            l10n.sttSilenceDuration,
+                            style: theme.bodyMedium?.copyWith(
+                                  color: theme.sidebarForeground,
+                                  fontWeight: FontWeight.w600,
+                                ) ??
+                                TextStyle(
+                                  color: theme.sidebarForeground,
+                                  fontSize: 14,
+                                  fontWeight: FontWeight.w600,
+                                ),
+                          ),
+                          const SizedBox(height: Spacing.xs),
+                          Text(
+                            '${settings.voiceSilenceDuration}ms',
+                            style: theme.bodySmall?.copyWith(
+                                  color: theme.sidebarForeground
+                                      .withValues(alpha: 0.7),
+                                ) ??
+                                TextStyle(
+                                  color: theme.sidebarForeground
+                                      .withValues(alpha: 0.7),
+                                  fontSize: 12,
+                                ),
+                          ),
+                        ],
+                      ),
+                    ),
+                    Text(
+                      '${(settings.voiceSilenceDuration / 1000).toStringAsFixed(1)}s',
+                      style: theme.bodyMedium?.copyWith(
+                            color: theme.buttonPrimary,
+                            fontWeight: FontWeight.w600,
+                          ) ??
+                          TextStyle(
+                            color: theme.buttonPrimary,
+                            fontSize: 14,
+                            fontWeight: FontWeight.w600,
+                          ),
+                    ),
+                  ],
+                ),
+                const SizedBox(height: Spacing.sm),
+                Slider(
+                  value: settings.voiceSilenceDuration.toDouble(),
+                  min: 300,
+                  max: 3000,
+                  divisions: 27,
+                  activeColor: theme.buttonPrimary,
+                  inactiveColor: theme.cardBorder.withValues(alpha: 0.4),
+                  onChanged: (value) {
+                    notifier.setVoiceSilenceDuration(value.round());
+                  },
+                ),
+                Text(
+                  l10n.sttSilenceDurationDescription,
+                  style: theme.bodySmall?.copyWith(
+                        color: theme.sidebarForeground.withValues(alpha: 0.7),
+                      ) ??
+                      TextStyle(
+                        color: theme.sidebarForeground.withValues(alpha: 0.7),
+                        fontSize: 12,
+                      ),
+                ),
+              ],
             ],
           ),
         ),

lib/l10n/app_de.arb

@@ -317,6 +317,8 @@
   "sttEngineServerDescription": "Sendet Aufnahmen immer an deinen OpenWebUI-Server zur Transkription.",
   "sttDeviceUnavailableWarning": "Auf diesem Gerät steht keine Spracherkennung zur Verfügung.",
   "sttServerUnavailableWarning": "Verbinde dich mit einem Server mit aktivierter Transkription, um diese Option zu nutzen.",
+  "sttSilenceDuration": "Stille-Dauer",
+  "sttSilenceDurationDescription": "Zeit nach Stille warten, bevor die Aufnahme automatisch gestoppt wird",
   "ttsSettings": "Text zu Sprache",
   "ttsEngineAuto": "Automatisch",
   "ttsEngineAutoDescription": "Verwendet die Sprachausgabe auf dem Gerät, wenn verfügbar, und greift sonst auf deinen Server zurück.",

lib/l10n/app_en.arb

@@ -1259,6 +1259,14 @@
   "@sttServerUnavailableWarning": {
     "description": "Warning shown when the user selects server speech recognition but no server is available."
   },
+  "sttSilenceDuration": "Silence Duration",
+  "@sttSilenceDuration": {
+    "description": "Label for the silence duration setting in server speech-to-text."
+  },
+  "sttSilenceDurationDescription": "Time to wait after silence before auto-stopping recording",
+  "@sttSilenceDurationDescription": {
+    "description": "Description for the silence duration slider in server speech-to-text settings."
+  },
   "ttsEngineLabel": "Engine",
   "@ttsEngineLabel": {
     "description": "Label for selecting the text-to-speech engine."

lib/l10n/app_es.arb

@@ -317,6 +317,8 @@
   "sttEngineServerDescription": "Envía siempre las grabaciones a tu servidor OpenWebUI para la transcripción.",
   "sttDeviceUnavailableWarning": "El reconocimiento de voz en el dispositivo no está disponible en este dispositivo.",
   "sttServerUnavailableWarning": "Conéctate a un servidor con transcripción habilitada para usar esta opción.",
+  "sttSilenceDuration": "Duración del silencio",
+  "sttSilenceDurationDescription": "Tiempo de espera después del silencio antes de detener automáticamente la grabación",
   "ttsSettings": "Texto a voz",
   "ttsEngineAuto": "Automático",
   "ttsEngineAutoDescription": "Usa la síntesis en el dispositivo cuando esté disponible y, si no, recurre a tu servidor.",

lib/l10n/app_fr.arb

@@ -317,7 +317,9 @@
   "sttEngineServerDescription": "Envoie toujours les enregistrements à votre serveur OpenWebUI pour transcription.",
   "sttDeviceUnavailableWarning": "La reconnaissance vocale sur l’appareil n’est pas disponible sur cet appareil.",
   "sttServerUnavailableWarning": "Connectez-vous à un serveur avec la transcription activée pour utiliser cette option.",
-"ttsSettings": "Synthèse vocale",
+  "sttSilenceDuration": "Durée du silence",
+  "sttSilenceDurationDescription": "Temps d'attente après le silence avant d'arrêter automatiquement l'enregistrement",
+  "ttsSettings": "Synthèse vocale",
   "ttsEngineAuto": "Auto",
   "ttsEngineAutoDescription": "Utilise la synthèse locale quand c’est possible, sinon bascule vers votre serveur.",
   "ttsEngineDeviceDescription": "Garde la synthèse sur cet appareil. La lecture vocale ne fonctionne plus si l’appareil n’offre pas la synthèse vocale.",

lib/l10n/app_it.arb

@@ -317,7 +317,9 @@
   "sttEngineServerDescription": "Invia sempre le registrazioni al tuo server OpenWebUI per la trascrizione.",
   "sttDeviceUnavailableWarning": "Il riconoscimento vocale sul dispositivo non è disponibile su questo dispositivo.",
   "sttServerUnavailableWarning": "Collegati a un server con la trascrizione abilitata per usare questa opzione.",
-"ttsSettings": "Sintesi vocale",
+  "sttSilenceDuration": "Durata del silenzio",
+  "sttSilenceDurationDescription": "Tempo di attesa dopo il silenzio prima di fermare automaticamente la registrazione",
+  "ttsSettings": "Sintesi vocale",
   "ttsEngineAuto": "Automatico",
   "ttsEngineAutoDescription": "Usa la sintesi sul dispositivo quando disponibile e altrimenti passa al tuo server.",
   "ttsEngineDeviceDescription": "Mantiene la sintesi su questo dispositivo. La riproduzione vocale non funziona se il dispositivo non supporta il TTS.",

lib/l10n/app_nl.arb

@@ -317,7 +317,9 @@
   "sttEngineServerDescription": "Stuurt opnames altijd naar je OpenWebUI-server voor transcriptie.",
   "sttDeviceUnavailableWarning": "Spraakherkenning op het apparaat is niet beschikbaar op dit apparaat.",
   "sttServerUnavailableWarning": "Verbind met een server met transcriptie ingeschakeld om deze optie te gebruiken.",
-"ttsSettings": "Tekst naar spraak",
+  "sttSilenceDuration": "Stilteduur",
+  "sttSilenceDurationDescription": "Tijd om te wachten na stilte voordat de opname automatisch stopt",
+  "ttsSettings": "Tekst naar spraak",
   "ttsEngineAuto": "Automatisch",
   "ttsEngineAutoDescription": "Gebruikt spraaksynthese op het apparaat wanneer beschikbaar en valt anders terug op je server.",
   "ttsEngineDeviceDescription": "Houdt de synthese op dit apparaat. Spraakweergave werkt niet als het apparaat geen TTS ondersteunt.",

lib/l10n/app_ru.arb

@@ -317,7 +317,9 @@
   "sttEngineServerDescription": "Всегда отправляет записи на сервер OpenWebUI для транскрибации.",
   "sttDeviceUnavailableWarning": "Распознавание речи на устройстве недоступно на этом устройстве.",
   "sttServerUnavailableWarning": "Подключитесь к серверу с включённой транскрибацией, чтобы использовать эту опцию.",
-"ttsSettings": "Преобразование текста в речь",
+  "sttSilenceDuration": "Длительность тишины",
+  "sttSilenceDurationDescription": "Время ожидания после тишины перед автоматической остановкой записи",
+  "ttsSettings": "Преобразование текста в речь",
   "ttsEngineAuto": "Авто",
   "ttsEngineAutoDescription": "Использует синтез речи на устройстве, когда это возможно, иначе переключается на ваш сервер.",
   "ttsEngineDeviceDescription": "Оставляет синтез на этом устройстве. Воспроизведение голоса не работает, если устройство не поддерживает синтез речи.",

lib/l10n/app_zh.arb

@@ -317,7 +317,9 @@
   "sttEngineServerDescription": "始终将录音发送到你的 OpenWebUI 服务器进行转写。",
   "sttDeviceUnavailableWarning": "此设备不支持本机语音识别。",
   "sttServerUnavailableWarning": "连接到启用转写功能的服务器后才能使用此选项。",
-"ttsSettings": "文本转语音",
+  "sttSilenceDuration": "静音持续时间",
+  "sttSilenceDurationDescription": "检测到静音后等待多久自动停止录音",
+  "ttsSettings": "文本转语音",
   "ttsEngineAuto": "自动",
   "ttsEngineAutoDescription": "在可用时使用本机合成，否则切换到你的服务器。",
   "ttsEngineDeviceDescription": "在此设备上完成合成。如果设备不支持文本转语音，语音播放将不可用。",