fix(voice): preserve mute owners and release touch ptt

apps/chanora_flutter/lib/main.dart

@@ -25,6 +25,7 @@ import 'services/audio_lifecycle_service.dart';
 import 'services/ios_audio_session_controller.dart';
 import 'services/channel_join_error_mapper.dart';
 import 'services/connection_phase_state.dart';
+import 'services/hard_mute_owners.dart';
 import 'services/ios_permissions_service.dart';
 import 'services/macos_permissions_service.dart';
 import 'services/prefetch_debouncer.dart';
@@ -339,8 +340,9 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
   bool _inChannel = false;
   rust.BridgeTransmitMode _transmitMode = rust.BridgeTransmitMode.ptt;
   bool _hardMute = false;
-  bool _hardMuteByPermission = false;
-  bool _hardMuteByTalkPower = false;
+  HardMuteOwners _hardMuteOwners = const HardMuteOwners();
+  bool get _hardMuteByPermission => _hardMuteOwners.permission;
+  bool get _hardMuteByTalkPower => _hardMuteOwners.talkPower;
   bool _permissionHardMuteClearInFlight = false;
   int _releaseTailMs = 200;
   BigInt? _currentVoiceChannelId;
@@ -590,8 +592,8 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
       await rust.setHardMute(muted: false);
       if (!mounted || !_hardMuteByPermission) return;
       setState(() {
-        _hardMute = false;
-        _hardMuteByPermission = false;
+        _hardMuteOwners = _hardMuteOwners.copyWith(permission: false);
+        _hardMute = _hardMuteOwners.effective;
       });
     } catch (e) {
       if (!mounted) return;
@@ -798,8 +800,8 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
           _voiceStateInitialized = true;
           _inChannel = inChannel;
           _transmitMode = transmitMode;
-          _hardMute = mute;
-          if (!mute) _hardMuteByPermission = false;
+          _hardMuteOwners = _hardMuteOwners.withBridgeManualMute(mute);
+          _hardMute = _hardMuteOwners.effective;
           _releaseTailMs = releaseTailMs;
           _currentVoiceChannelId = currentChannelId;
           _pendingVoiceChannelId = pendingTargetChannelId;
@@ -1271,8 +1273,8 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
           await rust.setHardMute(muted: true);
           if (mounted) {
             setState(() {
-              _hardMute = true;
-              _hardMuteByPermission = true;
+              _hardMuteOwners = _hardMuteOwners.copyWith(permission: true);
+              _hardMute = _hardMuteOwners.effective;
             });
           }
         } catch (_) {
@@ -1287,8 +1289,8 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
         await rust.setHardMute(muted: false);
         if (mounted) {
           setState(() {
-            _hardMute = false;
-            _hardMuteByPermission = false;
+            _hardMuteOwners = _hardMuteOwners.copyWith(permission: false);
+            _hardMute = _hardMuteOwners.effective;
           });
         }
       }
@@ -1356,13 +1358,14 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
     final next = !_hardMute;
     final previousInputMuted = _inputMuted;
     final previousHardMute = _hardMute;
-    final previousPermissionMute = _hardMuteByPermission;
+    final previousHardMuteOwners = _hardMuteOwners;
     setState(() {
       _inputMuted = next;
-      _hardMute = next;
-      if (next) {
-        _hardMuteByPermission = false;
-      }
+      _hardMuteOwners = _hardMuteOwners.copyWith(
+        manual: next,
+        permission: next ? false : null,
+      );
+      _hardMute = _hardMuteOwners.effective;
     });
     try {
       // Hard-mute is two coordinated effects:
@@ -1381,7 +1384,7 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
       setState(() {
         _inputMuted = previousInputMuted;
         _hardMute = previousHardMute;
-        _hardMuteByPermission = previousPermissionMute;
+        _hardMuteOwners = previousHardMuteOwners;
       });
       _showUiError('hard mute', e);
     }
@@ -1651,8 +1654,7 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
     _inputMuted = false;
     _outputMuted = false;
     _hardMute = false;
-    _hardMuteByPermission = false;
-    _hardMuteByTalkPower = false;
+    _hardMuteOwners = const HardMuteOwners();
     _inChannel = false;
     _currentVoiceChannelId = null;
     _pendingVoiceChannelId = null;
@@ -2083,8 +2085,8 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
 
     if (!own.talkPowerOk && !_hardMuteByTalkPower) {
       final talkPowerEpoch = _connectionEpoch;
-      _hardMuteByTalkPower = true;
-      _hardMute = true;
+      _hardMuteOwners = _hardMuteOwners.copyWith(talkPower: true);
+      _hardMute = _hardMuteOwners.effective;
       WidgetsBinding.instance.addPostFrameCallback((_) {
         if (!mounted ||
             _connectionEpoch != talkPowerEpoch ||
@@ -2097,15 +2099,14 @@ class _BetaHomeState extends State<_BetaHome> with WidgetsBindingObserver {
       });
     } else if (own.talkPowerOk && _hardMuteByTalkPower) {
       final talkPowerEpoch = _connectionEpoch;
-      _hardMuteByTalkPower = false;
-      if (!_hardMuteByPermission) {
-        _hardMute = false;
+      _hardMuteOwners = _hardMuteOwners.copyWith(talkPower: false);
+      _hardMute = _hardMuteOwners.effective;
+      if (!_hardMuteOwners.effective) {
         WidgetsBinding.instance.addPostFrameCallback((_) {
           if (!mounted ||
               _connectionEpoch != talkPowerEpoch ||
               !_serverReachable ||
-              _hardMuteByTalkPower ||
-              _hardMuteByPermission) {
+              _hardMuteOwners.effective) {
             return;
           }
           unawaited(rust.setHardMute(muted: false));