fix: improve voice and chat controls

apps/chanora_flutter/lib/main.dart

@@ -174,6 +174,7 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
   bool _hardMute = false;
   bool _hardMuteByPermission = false;
   bool _hardMuteByTalkPower = false;
+  bool _hardMuteByOutputMute = false;
   bool _permissionHardMuteClearInFlight = false;
   int _releaseTailMs = 200;
   BigInt? _currentVoiceChannelId;
@@ -212,6 +213,7 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
   final ValueNotifier<int> _chatFeedRevision = ValueNotifier(0);
   int _chatUnread = 0;
   bool _chatOpen = false;
+  bool _chatPreviewSnackBarVisible = false;
   final ValueNotifier<List<_ReceivedPoke>> _pokeSnackBarPokes = ValueNotifier(
     const [],
   );
@@ -484,8 +486,10 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
       await rust.setHardMute(muted: false);
       if (!mounted || !_hardMuteByPermission) return;
       setState(() {
-        _hardMute = false;
         _hardMuteByPermission = false;
+        if (!_inputMuted && !_hardMuteByTalkPower && !_hardMuteByOutputMute) {
+          _hardMute = false;
+        }
       });
     } catch (e) {
       if (!mounted) return;
@@ -1010,6 +1014,14 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
       if (!mounted) return;
       setState(() {
         _outputMuted = next;
+        _hardMuteByOutputMute = next;
+        if (next) {
+          _hardMute = true;
+        } else if (!_inputMuted &&
+            !_hardMuteByPermission &&
+            !_hardMuteByTalkPower) {
+          _hardMute = false;
+        }
       });
     } catch (e) {
       if (!mounted) return;
@@ -1104,8 +1116,9 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
   }
 
   Future<void> _onToggleHardMute() async {
-    // Don't allow manual unmute when talk-power-muted.
+    // Don't allow manual unmute while another policy owns the local
-    if (_hardMuteByTalkPower && _hardMute) {
+    // transmit clamp.
+    if ((_hardMuteByTalkPower || _hardMuteByOutputMute) && _hardMute) {
       return;
     }
     final next = !_hardMute;
@@ -1200,6 +1213,8 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
       pttBoundInputClass: _pttBoundInputClass,
       isTouchOnly: isTouchOnlyPttHost,
       initialAudioConfig: audioConfig,
+      onnxRuntimeAvailable:
+          StartupDependencyScope.maybeOf(context)?.hasOnnxRuntime ?? true,
       onModeChanged: (mode) async {
         try {
           await rust.setTransmitMode(mode: mode);
@@ -1241,6 +1256,8 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
         initialMode: _transmitMode,
         initialReleaseTailMs: _releaseTailMs,
         initialAudioConfig: audioConfig,
+        onnxRuntimeAvailable:
+            StartupDependencyScope.maybeOf(ctx)?.hasOnnxRuntime ?? true,
         pttLevel: _pttLevel,
         pttBackendId: _pttBackendId,
         pttBoundInputClass: _pttBoundInputClass,
@@ -1399,6 +1416,10 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
     _audioStats = null;
     _inputMuted = false;
     _outputMuted = false;
+    _hardMute = false;
+    _hardMuteByPermission = false;
+    _hardMuteByTalkPower = false;
+    _hardMuteByOutputMute = false;
     _inChannel = false;
     _currentVoiceChannelId = null;
     _pendingVoiceChannelId = null;
@@ -1418,6 +1439,7 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
     String clientName = '',
   }) async {
     final initialSnapshot = _snapshot!;
+    _dismissChatPreviewSnackBar();
     setState(() {
       _chatUnread = 0;
       _chatOpen = true;
@@ -1500,36 +1522,50 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
     if (_pokeSnackBarPokes.value.isNotEmpty) return;
     final messenger = ScaffoldMessenger.of(context);
     messenger.hideCurrentSnackBar();
-    messenger.showSnackBar(
+    _chatPreviewSnackBarVisible = true;
+    void openChatFromPreview() {
+      _dismissChatPreviewSnackBar();
+      unawaited(
+        _onOpenChat(
+          target: target,
+          clientName: _chatClientNameForTarget(target, senderName),
+        ),
+      );
+    }
+
+    final controller = messenger.showSnackBar(
       SnackBar(
         behavior: SnackBarBehavior.floating,
         margin: _chatSnackBarMargin(),
-        duration: const Duration(seconds: 7),
+        duration: const Duration(seconds: 4),
-        content: Column(
+        content: GestureDetector(
-          mainAxisSize: MainAxisSize.min,
+          behavior: HitTestBehavior.opaque,
-          crossAxisAlignment: CrossAxisAlignment.start,
+          onTap: openChatFromPreview,
-          children: [
+          child: Column(
-            Text(
+            mainAxisSize: MainAxisSize.min,
-              '$senderName (${_chatTargetLabel(target)})',
+            crossAxisAlignment: CrossAxisAlignment.start,
-              maxLines: 1,
+            children: [
-              overflow: TextOverflow.ellipsis,
+              Text(
-              style: const TextStyle(fontWeight: FontWeight.w600),
+                '$senderName (${_chatTargetLabel(target)})',
-            ),
+                maxLines: 1,
-            const SizedBox(height: 4),
+                overflow: TextOverflow.ellipsis,
-            Text(message, maxLines: 3, overflow: TextOverflow.ellipsis),
+                style: const TextStyle(fontWeight: FontWeight.w600),
-          ],
+              ),
-        ),
+              const SizedBox(height: 4),
-        action: SnackBarAction(
+              Text(message, maxLines: 3, overflow: TextOverflow.ellipsis),
-          label: 'Open',
+            ],
-          onPressed: () => unawaited(
-            _onOpenChat(
-              target: target,
-              clientName: _chatClientNameForTarget(target, senderName),
-            ),
           ),
         ),
+        action: SnackBarAction(label: 'Open', onPressed: openChatFromPreview),
       ),
     );
+    controller.closed.then((_) => _chatPreviewSnackBarVisible = false);
+  }
+
+  void _dismissChatPreviewSnackBar() {
+    if (!_chatPreviewSnackBarVisible || !mounted) return;
+    _chatPreviewSnackBarVisible = false;
+    ScaffoldMessenger.of(context).removeCurrentSnackBar();
   }
 
   EdgeInsetsGeometry _chatSnackBarMargin() {
@@ -1589,6 +1625,14 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
     if (own == null) return;
     _inputMuted = own.inputMuted;
     _outputMuted = own.outputMuted;
+    _hardMuteByOutputMute = own.outputMuted;
+    if (own.outputMuted) {
+      _hardMute = true;
+    } else if (!_inputMuted &&
+        !_hardMuteByPermission &&
+        !_hardMuteByTalkPower) {
+      _hardMute = false;
+    }
     if (!_voiceStateInitialized || _currentVoiceChannelId == null) {
       _currentVoiceChannelId = own.channelId;
       _pendingVoiceChannelId = null;
@@ -1607,7 +1651,7 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
       rust.setInputMuted(muted: true);
     } else if (own.talkPowerOk && _hardMuteByTalkPower) {
       _hardMuteByTalkPower = false;
-      if (!_hardMuteByPermission) {
+      if (!_hardMuteByPermission && !_hardMuteByOutputMute && !_inputMuted) {
         _hardMute = false;
         rust.setHardMute(muted: false);
         rust.setInputMuted(muted: false);
@@ -1622,12 +1666,12 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
 
   Future<void> _onShowDiagnostics(BuildContext context) async {
     final l10n = AppL10n.of(context);
-    final rustText = rust.exportDiagnostics();
+    final rustText = await rust.exportDiagnostics();
+    if (!context.mounted) return;
     final uiText = _uiDiagnostics.isEmpty
         ? 'UI diagnostics: none'
         : ['UI diagnostics:', ..._uiDiagnostics].join('\n');
     final text = '$uiText\n\nRust diagnostics:\n$rustText';
-    if (!mounted) return;
     await showDialog<void>(
       context: context,
       builder: (ctx) => AlertDialog(

apps/chanora_flutter/lib/services/startup_dependency_check.dart

@@ -16,6 +16,7 @@ class StartupDependencyCheckResult {
 
   bool get hasIssues => issues.isNotEmpty;
   bool get hasBlockingIssues => issues.any((issue) => issue.isRequired);
+  bool get hasOnnxRuntime => !issues.any((issue) => issue.id == 'linux-onnxruntime');
 }
 
 class StartupDependencyIssue {

apps/chanora_flutter/lib/widgets/audio_processing_config_state.dart

@@ -207,12 +207,18 @@ rust.BridgeVadBackend normalizedVadBackend(
   rust.BridgeVadBackend backend, {
   bool? isWindows,
   bool? isLinux,
+  bool onnxRuntimeAvailable = true,
 }) {
   final normalized = backend == rust.BridgeVadBackend.disabled
       ? rust.BridgeVadBackend.sileroOnnx
       : backend;
   final desktop =
       (isWindows ?? Platform.isWindows) || (isLinux ?? Platform.isLinux);
+  if (desktop &&
+      !onnxRuntimeAvailable &&
+      normalized == rust.BridgeVadBackend.sileroOnnx) {
+    return rust.BridgeVadBackend.webrtcVad;
+  }
   if (!desktop) {
     return normalized;
   }

apps/chanora_flutter/lib/widgets/connect_widgets.dart

@@ -65,6 +65,7 @@ class _ConnectFormState extends State<ConnectForm> {
           keyboardType: TextInputType.url,
           textCapitalization: TextCapitalization.none,
           textInputAction: TextInputAction.next,
+          onSubmitted: (_) => _nickFocus.requestFocus(),
           autocorrect: false,
           enableSuggestions: false,
           inputFormatters: [
@@ -89,6 +90,7 @@ class _ConnectFormState extends State<ConnectForm> {
           focusNode: _nickFocus,
           onTapOutside: _onTapOutside,
           textInputAction: TextInputAction.next,
+          onSubmitted: (_) => _passwordFocus.requestFocus(),
           autocorrect: false,
           enableSuggestions: false,
           decoration: InputDecoration(
@@ -103,6 +105,7 @@ class _ConnectFormState extends State<ConnectForm> {
           onTapOutside: _onTapOutside,
           obscureText: true,
           textInputAction: TextInputAction.done,
+          onSubmitted: (_) => widget.onConnect(),
           autocorrect: false,
           enableSuggestions: false,
           decoration: InputDecoration(

apps/chanora_flutter/lib/widgets/snapshot_view.dart

@@ -88,6 +88,7 @@ class _SnapshotViewState extends State<SnapshotView> {
   static const _channelIconColumnWidth = 24.0;
   static const _channelTextGap = 8.0;
   static const _userRowStartIndent = 32.0;
+  static const _clientPlaybackVolumePresets = [0.25, 0.5, 1.0, 2.0, 4.0];
 
   final _scrollController = ScrollController();
   final Map<BigInt, bool> _channelExpandedById = {};
@@ -311,6 +312,7 @@ class _SnapshotViewState extends State<SnapshotView> {
           )
         : null;
     final canAdjustPlayback = _canAdjustClientPlayback(client);
+    Offset? secondaryTapPosition;
 
     return Padding(
       padding: EdgeInsets.only(
@@ -320,12 +322,15 @@ class _SnapshotViewState extends State<SnapshotView> {
       child: GestureDetector(
         behavior: HitTestBehavior.opaque,
         onLongPress: canAdjustPlayback
-            ? () =>
+            ? () => unawaited(_showClientPlaybackMenu(client, withHaptic: true))
-                  unawaited(_showClientPlaybackSheet(client, withHaptic: true))
+            : null,
+        onSecondaryTapDown: canAdjustPlayback
+            ? (details) => secondaryTapPosition = details.globalPosition
             : null,
         onSecondaryTap: canAdjustPlayback
-            ? () =>
+            ? () => unawaited(
-                  unawaited(_showClientPlaybackSheet(client, withHaptic: true))
+                _showClientPlaybackMenu(client, anchor: secondaryTapPosition),
+              )
             : null,
         child: AnimatedContainer(
           duration: const Duration(milliseconds: 120),
@@ -336,14 +341,6 @@ class _SnapshotViewState extends State<SnapshotView> {
             visualDensity: VisualDensity.compact,
             leading: status.icon,
             title: Text(client.name, style: nameStyle),
-            trailing: canAdjustPlayback
-                ? IconButton(
-                    icon: const Icon(Icons.more_horiz),
-                    tooltip: 'Playback options',
-                    onPressed: () =>
-                        unawaited(_showClientPlaybackSheet(client)),
-                  )
-                : null,
           ),
         ),
       ),
@@ -401,8 +398,9 @@ class _SnapshotViewState extends State<SnapshotView> {
         const ClientPlaybackPreference();
   }
 
-  Future<void> _showClientPlaybackSheet(
+  Future<void> _showClientPlaybackMenu(
     rust.BridgeClient client, {
+    Offset? anchor,
     bool withHaptic = false,
   }) async {
     if (!_canAdjustClientPlayback(client)) return;
@@ -415,72 +413,52 @@ class _SnapshotViewState extends State<SnapshotView> {
     }
     if (!mounted) return;
 
-    var preference = _clientPlaybackPreference(client);
+    final preference = _clientPlaybackPreference(client);
-    await showModalBottomSheet<void>(
+    final overlay = Overlay.of(context).context.findRenderObject() as RenderBox;
+    final position = anchor ?? overlay.size.center(Offset.zero);
+    final selected = await showMenu<_ClientPlaybackMenuAction>(
       context: context,
-      showDragHandle: true,
+      position: RelativeRect.fromLTRB(
-      builder: (context) {
+        position.dx,
-        return StatefulBuilder(
+        position.dy,
-          builder: (context, setModalState) {
+        overlay.size.width - position.dx,
-            void updatePreference(ClientPlaybackPreference next) {
+        overlay.size.height - position.dy,
-              setModalState(() => preference = next);
+      ),
-              unawaited(onChanged(client, next));
+      items: [
-            }
+        PopupMenuItem<_ClientPlaybackMenuAction>(
-
+          value: const _ToggleMuteClientPlaybackMenuAction(),
-            final volumePercent = (preference.volume * 100).round();
+          child: ListTile(
-            return SafeArea(
+            dense: true,
-              child: Padding(
+            contentPadding: EdgeInsets.zero,
-                padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
+            leading: Icon(
-                child: Column(
+              preference.muted ? Icons.volume_off : Icons.volume_up,
-                  mainAxisSize: MainAxisSize.min,
+            ),
-                  crossAxisAlignment: CrossAxisAlignment.start,
+            title: Text(preference.muted ? 'Unmute playback' : 'Mute playback'),
-                  children: [
+            subtitle: Text(client.name),
-                    Text(
+          ),
-                      client.name,
+        ),
-                      style: Theme.of(context).textTheme.titleMedium,
+        const PopupMenuDivider(),
-                    ),
+        ..._clientPlaybackVolumePresets.map(
-                    const SizedBox(height: 4),
+          (preset) => CheckedPopupMenuItem<_ClientPlaybackMenuAction>(
-                    Text(
+            value: _VolumeClientPlaybackMenuAction(preset),
-                      'Per-user playback',
+            checked:
-                      style: Theme.of(context).textTheme.bodySmall,
+                !preference.muted && (preference.volume - preset).abs() < 0.001,
-                    ),
+            child: Text('Volume ${(preset * 100).round()}%'),
-                    const SizedBox(height: 12),
+          ),
-                    SwitchListTile.adaptive(
+        ),
-                      key: const Key('client-playback-mute-tile'),
+      ],
-                      contentPadding: EdgeInsets.zero,
-                      title: const Text('Mute playback'),
-                      subtitle: Text(
-                        preference.muted
-                            ? 'Audio from this user is muted on this server.'
-                            : 'Audio from this user plays at $volumePercent%.',
-                      ),
-                      value: preference.muted,
-                      onChanged: (muted) =>
-                          updatePreference(preference.copyWith(muted: muted)),
-                    ),
-                    const SizedBox(height: 8),
-                    Text(
-                      'Volume $volumePercent%',
-                      style: Theme.of(context).textTheme.labelLarge,
-                    ),
-                    Slider(
-                      key: const Key('client-playback-volume-slider'),
-                      min: 0.0,
-                      max: 4.0,
-                      divisions: 40,
-                      label: '$volumePercent%',
-                      value: preference.volume,
-                      onChanged: (value) =>
-                          updatePreference(preference.copyWith(volume: value)),
-                    ),
-                  ],
-                ),
-              ),
-            );
-          },
-        );
-      },
     );
+    if (selected == null || !mounted) return;
+    final next = switch (selected) {
+      _ToggleMuteClientPlaybackMenuAction() => preference.copyWith(
+        muted: !preference.muted,
+      ),
+      _VolumeClientPlaybackMenuAction(:final volume) => preference.copyWith(
+        volume: volume,
+        muted: false,
+      ),
+    };
+    await onChanged(client, next);
   }
 
   ({Widget icon, bool isSpeaking}) _clientVoiceStatusIcon(
@@ -695,6 +673,20 @@ class _ChannelTreeNode {
   final List<_ChannelTreeNode> children = [];
 }
 
+sealed class _ClientPlaybackMenuAction {
+  const _ClientPlaybackMenuAction();
+}
+
+class _ToggleMuteClientPlaybackMenuAction extends _ClientPlaybackMenuAction {
+  const _ToggleMuteClientPlaybackMenuAction();
+}
+
+class _VolumeClientPlaybackMenuAction extends _ClientPlaybackMenuAction {
+  const _VolumeClientPlaybackMenuAction(this.volume);
+
+  final double volume;
+}
+
 _ChannelTree _buildChannelTree(List<rust.BridgeChannel> channels) {
   final byParent = <BigInt, List<rust.BridgeChannel>>{};
   final knownIds = {for (final channel in channels) channel.id};

apps/chanora_flutter/lib/widgets/startup_dependency_screen.dart

@@ -22,6 +22,27 @@ class StartupDependencyGate extends StatefulWidget {
   State<StartupDependencyGate> createState() => _StartupDependencyGateState();
 }
 
+class StartupDependencyScope extends InheritedWidget {
+  const StartupDependencyScope({
+    required this.result,
+    required super.child,
+    super.key,
+  });
+
+  final StartupDependencyCheckResult result;
+
+  static StartupDependencyCheckResult? maybeOf(BuildContext context) {
+    return context
+        .dependOnInheritedWidgetOfExactType<StartupDependencyScope>()
+        ?.result;
+  }
+
+  @override
+  bool updateShouldNotify(StartupDependencyScope oldWidget) {
+    return result != oldWidget.result;
+  }
+}
+
 class _StartupDependencyGateState extends State<StartupDependencyGate> {
   late Future<StartupDependencyCheckResult> _future;
   bool _dismissedForSession = false;
@@ -43,7 +64,20 @@ class _StartupDependencyGateState extends State<StartupDependencyGate> {
   @override
   Widget build(BuildContext context) {
     if (_dismissedForSession) {
-      return widget.child;
+      return FutureBuilder<StartupDependencyCheckResult>(
+        future: _future,
+        builder: (context, snapshot) {
+          return StartupDependencyScope(
+            result:
+                snapshot.data ??
+                const StartupDependencyCheckResult(
+                  issues: [],
+                  platformLabel: 'default',
+                ),
+            child: widget.child,
+          );
+        },
+      );
     }
 
     return FutureBuilder<StartupDependencyCheckResult>(
@@ -56,18 +90,29 @@ class _StartupDependencyGateState extends State<StartupDependencyGate> {
         final result = snapshot.data;
         if (result == null || !result.hasIssues) {
           _lastLoggedIssueSignature = null;
-          return widget.child;
+          return StartupDependencyScope(
+            result:
+                result ??
+                const StartupDependencyCheckResult(
+                  issues: [],
+                  platformLabel: 'default',
+                ),
+            child: widget.child,
+          );
         }
 
         _logIssueScreenShown(result);
-        return StartupDependencyScreen(
+        return StartupDependencyScope(
           result: result,
-          onContinue: () {
+          child: StartupDependencyScreen(
-            setState(() {
+            result: result,
-              _dismissedForSession = true;
+            onContinue: () {
-            });
+              setState(() {
-          },
+                _dismissedForSession = true;
-          onRecheck: _recheck,
+              });
+            },
+            onRecheck: _recheck,
+          ),
         );
       },
     );

apps/chanora_flutter/lib/widgets/voice_compact.dart

@@ -358,6 +358,7 @@ Future<void> showVoiceDetailsSheet(
   required String pttBoundInputClass,
   required bool isTouchOnly,
   required rust.BridgeAudioProcessingConfig initialAudioConfig,
+  bool onnxRuntimeAvailable = true,
   required ValueChanged<rust.BridgeTransmitMode> onModeChanged,
   required ValueChanged<int> onReleaseTailChanged,
   required ValueChanged<rust.BridgeAudioProcessingConfig> onAudioConfigChanged,
@@ -388,6 +389,7 @@ Future<void> showVoiceDetailsSheet(
           pttBoundInputClass: pttBoundInputClass,
           isTouchOnly: isTouchOnly,
           initialAudioConfig: initialAudioConfig,
+          onnxRuntimeAvailable: onnxRuntimeAvailable,
           onModeChanged: onModeChanged,
           onReleaseTailChanged: onReleaseTailChanged,
           onAudioConfigChanged: onAudioConfigChanged,
@@ -411,6 +413,7 @@ class _VoiceSheetBody extends StatefulWidget {
     required this.pttBoundInputClass,
     required this.isTouchOnly,
     required this.initialAudioConfig,
+    required this.onnxRuntimeAvailable,
     required this.onModeChanged,
     required this.onReleaseTailChanged,
     required this.onAudioConfigChanged,
@@ -428,6 +431,7 @@ class _VoiceSheetBody extends StatefulWidget {
   final String pttBoundInputClass;
   final bool isTouchOnly;
   final rust.BridgeAudioProcessingConfig initialAudioConfig;
+  final bool onnxRuntimeAvailable;
   final ValueChanged<rust.BridgeTransmitMode> onModeChanged;
   final ValueChanged<int> onReleaseTailChanged;
   final ValueChanged<rust.BridgeAudioProcessingConfig> onAudioConfigChanged;
@@ -462,6 +466,10 @@ class _VoiceSheetBodyState extends State<_VoiceSheetBody> {
     _audioProcessing = AudioProcessingConfigState.fromConfig(
       widget.initialAudioConfig,
     );
+    _audioProcessing.vadBackend = normalizedVadBackend(
+      _audioProcessing.vadBackend,
+      onnxRuntimeAvailable: widget.onnxRuntimeAvailable,
+    );
 
     // Poll audio stats at 250 ms so TX/RX counters and the level meter
     // update in real time while the sheet is open, independent of the parent.
@@ -777,19 +785,27 @@ class _VoiceSheetBodyState extends State<_VoiceSheetBody> {
             const SizedBox(height: 2),
             SegmentedButton<rust.BridgeVadBackend>(
               style: voiceSegmentedButtonStyle(theme),
-              segments: _isDesktopSileroVadHost
+              segments: vadBackendSegmentsForAvailability(
-                  ? desktopVadBackendSegments
+                desktop: _isDesktopSileroVadHost,
-                  : vadBackendSegments,
+                onnxRuntimeAvailable: widget.onnxRuntimeAvailable,
+              ),
               selected: {_audioProcessing.vadBackend},
               onSelectionChanged: (s) {
-                setState(() => _audioProcessing.vadBackend = s.first);
+                setState(
+                  () => _audioProcessing.vadBackend = normalizedVadBackend(
+                    s.first,
+                    onnxRuntimeAvailable: widget.onnxRuntimeAvailable,
+                  ),
+                );
                 _notifyAudioConfig();
               },
             ),
             if (_isDesktopSileroVadHost) ...[
               const SizedBox(height: 4),
               Text(
-                'Silero needs ONNX Runtime. WebRTC works without it.',
+                widget.onnxRuntimeAvailable
+                    ? 'Silero needs ONNX Runtime. WebRTC works without it.'
+                    : 'Silero is unavailable because ONNX Runtime was not found. WebRTC is selected.',
                 style: theme.textTheme.bodySmall?.copyWith(
                   color: theme.colorScheme.onSurfaceVariant,
                 ),

apps/chanora_flutter/lib/widgets/voice_settings.dart

@@ -67,6 +67,7 @@ class VoiceSettingsDialog extends StatefulWidget {
     this.pttLevel = '',
     this.pttBackendId = '',
     this.pttBoundInputClass = '',
+    this.onnxRuntimeAvailable = true,
     this.talkPower,
     this.neededTalkPower,
     this.talkPowerGranted,
@@ -78,6 +79,7 @@ class VoiceSettingsDialog extends StatefulWidget {
   final String pttLevel;
   final String pttBackendId;
   final String pttBoundInputClass;
+  final bool onnxRuntimeAvailable;
   final int? talkPower;
   final int? neededTalkPower;
   final bool? talkPowerGranted;
@@ -101,6 +103,10 @@ class _VoiceSettingsDialogState extends State<VoiceSettingsDialog> {
     _audioProcessing = AudioProcessingConfigState.fromConfig(
       widget.initialAudioConfig,
     );
+    _audioProcessing.vadBackend = normalizedVadBackend(
+      _audioProcessing.vadBackend,
+      onnxRuntimeAvailable: widget.onnxRuntimeAvailable,
+    );
   }
 
   rust.BridgeAudioProcessingConfig _buildConfig() {
@@ -291,17 +297,24 @@ class _VoiceSettingsDialogState extends State<VoiceSettingsDialog> {
               const VoiceSubHeader('Backend'),
               SegmentedButton<rust.BridgeVadBackend>(
                 style: voiceSegmentedButtonStyle(theme),
-                segments: _isDesktopSileroVadHost
+                segments: vadBackendSegmentsForAvailability(
-                    ? desktopVadBackendSegments
+                  desktop: _isDesktopSileroVadHost,
-                    : vadBackendSegments,
+                  onnxRuntimeAvailable: widget.onnxRuntimeAvailable,
+                ),
                 selected: {_audioProcessing.vadBackend},
-                onSelectionChanged: (s) =>
+                onSelectionChanged: (s) => setState(
-                    setState(() => _audioProcessing.vadBackend = s.first),
+                  () => _audioProcessing.vadBackend = normalizedVadBackend(
+                    s.first,
+                    onnxRuntimeAvailable: widget.onnxRuntimeAvailable,
+                  ),
+                ),
               ),
               const SizedBox(height: 8),
               if (_isDesktopSileroVadHost)
                 Text(
-                  'Silero gives the best quality when ONNX Runtime is installed. WebRTC works without ONNX Runtime and is the safer fallback if Linux setup is incomplete.',
+                  widget.onnxRuntimeAvailable
+                      ? 'Silero gives the best quality when ONNX Runtime is installed. WebRTC works without ONNX Runtime and is the safer fallback if Linux setup is incomplete.'
+                      : 'Silero is unavailable because ONNX Runtime was not found. WebRTC is selected until libonnxruntime.so is installed or bundled.',
                   style: theme.textTheme.bodySmall?.copyWith(
                     color: theme.colorScheme.onSurfaceVariant,
                   ),

apps/chanora_flutter/lib/widgets/voice_settings_controls.dart

@@ -64,6 +64,26 @@ const vadBackendSegments = [
 /// smaller dependency surface.
 const desktopVadBackendSegments = vadBackendSegments;
 
+List<ButtonSegment<rust.BridgeVadBackend>> vadBackendSegmentsForAvailability({
+  required bool desktop,
+  required bool onnxRuntimeAvailable,
+}) {
+  final segments = desktop ? desktopVadBackendSegments : vadBackendSegments;
+  if (!desktop || onnxRuntimeAvailable) return segments;
+  return [
+    for (final segment in segments)
+      if (segment.value == rust.BridgeVadBackend.sileroOnnx)
+        ButtonSegment<rust.BridgeVadBackend>(
+          value: segment.value,
+          label: segment.label,
+          icon: segment.icon,
+          enabled: false,
+        )
+      else
+        segment,
+  ];
+}
+
 /// Section subheader used by both voice settings surfaces.
 class VoiceSubHeader extends StatelessWidget {
   /// Construct a voice settings subheader.

apps/chanora_flutter/test/widgets/audio_processing_config_state_test.dart

@@ -58,6 +58,21 @@ void main() {
     );
   });
 
+  test(
+    'desktop VAD normalization falls back when ONNX Runtime is unavailable',
+    () {
+      expect(
+        normalizedVadBackend(
+          rust.BridgeVadBackend.sileroOnnx,
+          isWindows: false,
+          isLinux: true,
+          onnxRuntimeAvailable: false,
+        ),
+        rust.BridgeVadBackend.webrtcVad,
+      );
+    },
+  );
+
   test('default config matches the current platform fallback', () {
     final fallback = defaultAudioProcessingConfig();
     final desktop = Platform.isWindows || Platform.isLinux;

apps/chanora_flutter/test/widgets/connect_widgets_test.dart

@@ -0,0 +1,41 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:chanora_flutter/l10n/generated/app_localizations.dart';
+import 'package:chanora_flutter/widgets/connect_widgets.dart';
+
+void main() {
+  testWidgets('pressing enter in password field submits connection', (
+    tester,
+  ) async {
+    var connectCount = 0;
+    final hostCtl = TextEditingController(text: 'example.com');
+    final nickCtl = TextEditingController(text: 'alice');
+    final passwordCtl = TextEditingController();
+    addTearDown(hostCtl.dispose);
+    addTearDown(nickCtl.dispose);
+    addTearDown(passwordCtl.dispose);
+
+    await tester.pumpWidget(
+      MaterialApp(
+        localizationsDelegates: AppL10n.localizationsDelegates,
+        supportedLocales: AppL10n.supportedLocales,
+        home: Scaffold(
+          body: ConnectForm(
+            hostCtl: hostCtl,
+            nickCtl: nickCtl,
+            passwordCtl: passwordCtl,
+            onConnect: () => connectCount += 1,
+            onAddBookmark: () {},
+          ),
+        ),
+      ),
+    );
+
+    await tester.enterText(find.byType(TextField).last, 'secret');
+    await tester.testTextInput.receiveAction(TextInputAction.done);
+    await tester.pump();
+
+    expect(connectCount, 1);
+  });
+}

apps/chanora_flutter/test/widgets/snapshot_view_test.dart

@@ -270,7 +270,7 @@ void main() {
     },
   );
 
-  testWidgets('remote client playback options button opens playback sheet', (
+  testWidgets('remote client row does not show playback ellipsis', (
     tester,
   ) async {
     await tester.pumpWidget(
@@ -288,20 +288,12 @@ void main() {
       ),
     );
 
-    await tester.pumpAndSettle();
-    await tester.tap(find.byIcon(Icons.more_horiz));
     await tester.pumpAndSettle();
 
-    expect(find.text('Per-user playback'), findsOneWidget);
+    expect(find.byIcon(Icons.more_horiz), findsNothing);
-    expect(find.text('Mute playback'), findsOneWidget);
-    expect(find.text('Volume 50%'), findsOneWidget);
-    expect(
-      find.byKey(const Key('client-playback-volume-slider')),
-      findsOneWidget,
-    );
   });
 
-  testWidgets('remote client long press opens playback sheet', (tester) async {
+  testWidgets('remote client long press opens playback menu', (tester) async {
     await tester.pumpWidget(
       snapshotHarness(
         channels: [channel(id: 1, name: 'Default Channel')],
@@ -318,11 +310,11 @@ void main() {
     await tester.longPress(find.widgetWithText(ListTile, 'Bob'));
     await tester.pumpAndSettle();
 
-    expect(find.text('Per-user playback'), findsOneWidget);
     expect(find.text('Mute playback'), findsOneWidget);
+    expect(find.text('Volume 100%'), findsOneWidget);
   });
 
-  testWidgets('remote client secondary click opens playback sheet', (
+  testWidgets('remote client secondary click opens playback menu', (
     tester,
   ) async {
     await tester.pumpWidget(
@@ -344,11 +336,11 @@ void main() {
     );
     await tester.pumpAndSettle();
 
-    expect(find.text('Per-user playback'), findsOneWidget);
     expect(find.text('Mute playback'), findsOneWidget);
+    expect(find.text('Volume 100%'), findsOneWidget);
   });
 
-  testWidgets('client playback sheet forwards mute and volume changes', (
+  testWidgets('client playback menu forwards mute and volume changes', (
     tester,
   ) async {
     final changes = <ClientPlaybackPreference>[];
@@ -368,7 +360,7 @@ void main() {
     );
 
     await tester.pumpAndSettle();
-    await tester.tap(find.byIcon(Icons.more_horiz));
+    await tester.longPress(find.widgetWithText(ListTile, 'Bob'));
     await tester.pumpAndSettle();
 
     await tester.tap(find.text('Mute playback'));
@@ -377,13 +369,13 @@ void main() {
     expect(changes, isNotEmpty);
     expect(changes.last.muted, isTrue);
 
-    await tester.drag(
+    await tester.longPress(find.widgetWithText(ListTile, 'Bob'));
-      find.byKey(const Key('client-playback-volume-slider')),
+    await tester.pumpAndSettle();
-      const Offset(160, 0),
+    await tester.tap(find.text('Volume 200%'), warnIfMissed: false);
-    );
     await tester.pumpAndSettle();
 
-    expect(changes.last.volume, greaterThan(1.0));
+    expect(changes.last.volume, 2.0);
+    expect(changes.last.muted, isFalse);
   });
 
   testWidgets('spacer channels render as layout rows and keep channel taps', (

apps/chanora_flutter/test/widgets/voice_settings_controls_test.dart

@@ -31,6 +31,22 @@ void main() {
     ]);
   });
 
+  test('desktop VAD segments disable Silero when ONNX Runtime is missing', () {
+    final segments = vadBackendSegmentsForAvailability(
+      desktop: true,
+      onnxRuntimeAvailable: false,
+    );
+
+    final silero = segments.singleWhere(
+      (segment) => segment.value == rust.BridgeVadBackend.sileroOnnx,
+    );
+    final webrtc = segments.singleWhere(
+      (segment) => segment.value == rust.BridgeVadBackend.webrtcVad,
+    );
+    expect(silero.enabled, isFalse);
+    expect(webrtc.enabled, isTrue);
+  });
+
   testWidgets('shared segmented style applies compact visual density', (
     tester,
   ) async {