feat(voice): add iOS VAD runtime support

apps/chanora_flutter/lib/l10n/generated/app_localizations.dart

@@ -169,6 +169,18 @@ abstract class AppL10n {
   /// **'Diagnostics'**
   String get diagnosticsAction;
 
+  /// No description provided for @diagnosticsSaveAction.
+  ///
+  /// In en, this message translates to:
+  /// **'Save export'**
+  String get diagnosticsSaveAction;
+
+  /// No description provided for @diagnosticsSaved.
+  ///
+  /// In en, this message translates to:
+  /// **'Diagnostic export saved to {path}'**
+  String diagnosticsSaved(String path);
+
   /// No description provided for @aboutAction.
   ///
   /// In en, this message translates to:
@@ -721,6 +733,72 @@ abstract class AppL10n {
   /// **'Chanora needs permission to access the microphone. On macOS, go to System Settings → Privacy & Security → Microphone and enable Chanora.'**
   String get microphonePermissionBody;
 
+  /// No description provided for @microphonePermissionRequiredForVoice.
+  ///
+  /// In en, this message translates to:
+  /// **'Microphone permission is required for voice transmission.'**
+  String get microphonePermissionRequiredForVoice;
+
+  /// No description provided for @permissionGrantAction.
+  ///
+  /// In en, this message translates to:
+  /// **'Grant'**
+  String get permissionGrantAction;
+
+  /// No description provided for @audioRouteSystemDefault.
+  ///
+  /// In en, this message translates to:
+  /// **'System default'**
+  String get audioRouteSystemDefault;
+
+  /// No description provided for @audioRouteEarpiece.
+  ///
+  /// In en, this message translates to:
+  /// **'Earpiece'**
+  String get audioRouteEarpiece;
+
+  /// No description provided for @audioRouteUsbHeadset.
+  ///
+  /// In en, this message translates to:
+  /// **'USB headset'**
+  String get audioRouteUsbHeadset;
+
+  /// No description provided for @audioRouteOtherDevice.
+  ///
+  /// In en, this message translates to:
+  /// **'Other device'**
+  String get audioRouteOtherDevice;
+
+  /// No description provided for @audioRouteRefreshDevices.
+  ///
+  /// In en, this message translates to:
+  /// **'Refresh audio devices'**
+  String get audioRouteRefreshDevices;
+
+  /// No description provided for @audioRouteCannotSelect.
+  ///
+  /// In en, this message translates to:
+  /// **'This output cannot be selected.'**
+  String get audioRouteCannotSelect;
+
+  /// No description provided for @audioRouteChangeFailed.
+  ///
+  /// In en, this message translates to:
+  /// **'Could not change audio output.'**
+  String get audioRouteChangeFailed;
+
+  /// No description provided for @iosAudioInterrupted.
+  ///
+  /// In en, this message translates to:
+  /// **'Audio interrupted by system (phone call)'**
+  String get iosAudioInterrupted;
+
+  /// No description provided for @iosAudioResuming.
+  ///
+  /// In en, this message translates to:
+  /// **'Audio resuming'**
+  String get iosAudioResuming;
+
   /// No description provided for @permissionDenied.
   ///
   /// In en, this message translates to:

apps/chanora_flutter/lib/l10n/generated/app_localizations_en.dart

@@ -46,6 +46,14 @@ class AppL10nEn extends AppL10n {
   @override
   String get diagnosticsAction => 'Diagnostics';
 
+  @override
+  String get diagnosticsSaveAction => 'Save export';
+
+  @override
+  String diagnosticsSaved(String path) {
+    return 'Diagnostic export saved to $path';
+  }
+
   @override
   String get aboutAction => 'About';
 
@@ -360,6 +368,40 @@ class AppL10nEn extends AppL10n {
   String get microphonePermissionBody =>
       'Chanora needs permission to access the microphone. On macOS, go to System Settings → Privacy & Security → Microphone and enable Chanora.';
 
+  @override
+  String get microphonePermissionRequiredForVoice =>
+      'Microphone permission is required for voice transmission.';
+
+  @override
+  String get permissionGrantAction => 'Grant';
+
+  @override
+  String get audioRouteSystemDefault => 'System default';
+
+  @override
+  String get audioRouteEarpiece => 'Earpiece';
+
+  @override
+  String get audioRouteUsbHeadset => 'USB headset';
+
+  @override
+  String get audioRouteOtherDevice => 'Other device';
+
+  @override
+  String get audioRouteRefreshDevices => 'Refresh audio devices';
+
+  @override
+  String get audioRouteCannotSelect => 'This output cannot be selected.';
+
+  @override
+  String get audioRouteChangeFailed => 'Could not change audio output.';
+
+  @override
+  String get iosAudioInterrupted => 'Audio interrupted by system (phone call)';
+
+  @override
+  String get iosAudioResuming => 'Audio resuming';
+
   @override
   String get permissionDenied => 'Permission Denied';
 }

apps/chanora_flutter/lib/l10n/generated/app_localizations_zh.dart

@@ -44,6 +44,14 @@ class AppL10nZh extends AppL10n {
   @override
   String get diagnosticsAction => '诊断信息';
 
+  @override
+  String get diagnosticsSaveAction => '保存导出';
+
+  @override
+  String diagnosticsSaved(String path) {
+    return '诊断导出已保存到 $path';
+  }
+
   @override
   String get aboutAction => '关于';
 
@@ -352,6 +360,39 @@ class AppL10nZh extends AppL10n {
   String get microphonePermissionBody =>
       'Chanora 需要麦克风访问权限。请前往系统设置 → 隐私与安全性 → 麦克风，启用 Chanora。';
 
+  @override
+  String get microphonePermissionRequiredForVoice => '语音发送需要麦克风权限。';
+
+  @override
+  String get permissionGrantAction => '授权';
+
+  @override
+  String get audioRouteSystemDefault => '系统默认';
+
+  @override
+  String get audioRouteEarpiece => '听筒';
+
+  @override
+  String get audioRouteUsbHeadset => 'USB 耳机';
+
+  @override
+  String get audioRouteOtherDevice => '其他设备';
+
+  @override
+  String get audioRouteRefreshDevices => '刷新音频设备';
+
+  @override
+  String get audioRouteCannotSelect => '无法选择此输出设备。';
+
+  @override
+  String get audioRouteChangeFailed => '无法切换音频输出。';
+
+  @override
+  String get iosAudioInterrupted => '系统已中断音频（电话通话）';
+
+  @override
+  String get iosAudioResuming => '音频正在恢复';
+
   @override
   String get permissionDenied => '权限被拒绝';
 }