fix(android): unblock mic permission startup

apps/chanora_flutter/lib/main.dart

@@ -250,6 +250,7 @@ class _BetaHomeState extends State<_BetaHome> {
   bool _inChannel = false;
   rust.BridgeTransmitMode _transmitMode = rust.BridgeTransmitMode.ptt;
   bool _hardMute = false;
+  bool _hardMuteByPermission = false;
   int _releaseTailMs = 200;
   BigInt? _currentVoiceChannelId;
   BigInt? _pendingVoiceChannelId;
@@ -436,6 +437,7 @@ class _BetaHomeState extends State<_BetaHome> {
           _inChannel = inChannel;
           _transmitMode = transmitMode;
           _hardMute = mute;
+          if (!mute) _hardMuteByPermission = false;
           _releaseTailMs = releaseTailMs;
           _audioStarted = inChannel;
           _currentVoiceChannelId = currentChannelId;
@@ -687,7 +689,12 @@ class _BetaHomeState extends State<_BetaHome> {
         // time via the Grant / Open Settings action.
         try {
           await rust.setHardMute(muted: true);
-          if (mounted) setState(() => _hardMute = true);
+          if (mounted) {
+            setState(() {
+              _hardMute = true;
+              _hardMuteByPermission = true;
+            });
+          }
         } catch (_) {
           // Best-effort clamp; if the bridge isn't ready we still
           // proceed. The capture path also self-clamps on Android
@@ -696,6 +703,14 @@ class _BetaHomeState extends State<_BetaHome> {
           // AtomicU8 clamp); this Dart setHardMute is the
           // defence-in-depth path.
         }
+      } else if (_hardMuteByPermission) {
+        await rust.setHardMute(muted: false);
+        if (mounted) {
+          setState(() {
+            _hardMute = false;
+            _hardMuteByPermission = false;
+          });
+        }
       }
       await rust.voiceJoin(channelId: ch.id, password: password ?? '');
       if (!mounted) return;
@@ -787,7 +802,10 @@ class _BetaHomeState extends State<_BetaHome> {
       await rust.setHardMute(muted: next);
       await rust.setInputMuted(muted: next);
       if (!mounted) return;
-      setState(() => _inputMuted = next);
+      setState(() {
+        _inputMuted = next;
+        _hardMuteByPermission = false;
+      });
     } catch (e) {
       if (!mounted) return;
       setState(() => _error = e.toString());
@@ -2107,7 +2125,10 @@ class _SnapshotView extends StatelessWidget {
                     : () => onJoinChannel(ch),
               ),
               selected: ch.id == currentVoiceChannelId,
-              onTap: hasJoinPending || !canJoinVoiceChannel || ch.id == currentVoiceChannelId
+              onTap:
+                  hasJoinPending ||
+                      !canJoinVoiceChannel ||
+                      ch.id == currentVoiceChannelId
                   ? null
                   : () => onJoinChannel(ch),
             ),