Fix message bubble layout

lib/providers/app_provider.dart

@@ -64,6 +64,8 @@ class AppProvider with ChangeNotifier {
   final Map<String, String> _imageSessionSenderKey6 = {};
   final Map<String, Timer> _voiceMissingRetryTimers = {};
   final Map<String, int> _voiceMissingRetryAttempts = {};
+  final Map<String, Timer> _imageMissingRetryTimers = {};
+  final Map<String, int> _imageMissingRetryAttempts = {};
   final FragmentAckWaitRegistry _voiceFragmentAckWaiters =
       FragmentAckWaitRegistry();
   final FragmentAckWaitRegistry _imageFragmentAckWaiters =
@@ -796,9 +798,7 @@ class AppProvider with ChangeNotifier {
     connectionProvider.onRawDataReceived = (payload, snrRaw, rssiDbm) {
       final voiceFetchRequest = VoiceFetchRequest.tryParseBinary(payload);
       if (voiceFetchRequest != null) {
-        final requester = contactsProvider.findContactByPrefixHex(
+        final requester = _resolveVoiceFetchRequester(voiceFetchRequest);
-          voiceFetchRequest.requesterKey6,
-        );
         if (requester == null) {
           debugPrint(
             '⚠️ [AppProvider] Voice fetch requester contact not found (binary)',
@@ -901,6 +901,10 @@ class AppProvider with ChangeNotifier {
           height: session?.height ?? 0,
         );
         _sendImageFragmentAck(frag);
+        _scheduleImageMissingRetry(
+          frag.sessionId,
+          justComplete: imageProvider.isComplete(frag.sessionId),
+        );
         return;
       }
 
@@ -1268,15 +1272,51 @@ class AppProvider with ChangeNotifier {
     return contactsProvider.findContactByPrefixHex(prefixHex.toLowerCase());
   }
 
+  Contact? _resolveVoiceFetchRequester(VoiceFetchRequest request) {
+    final liveContact = _resolveContactByPrefixHex(request.requesterKey6);
+    if (liveContact != null) {
+      return liveContact;
+    }
+
+    return _resolveRequesterFromSentMessages(
+      sessionId: request.sessionId,
+      requesterKey6: request.requesterKey6,
+      tryParseEnvelope: VoiceEnvelope.tryParseText,
+      mediaLabel: 'voice',
+    );
+  }
+
   Contact? _resolveImageFetchRequester(ImageFetchRequest request) {
     final liveContact = _resolveContactByPrefixHex(request.requesterKey6);
     if (liveContact != null) {
       return liveContact;
     }
 
+    return _resolveRequesterFromSentMessages(
+      sessionId: request.sessionId,
+      requesterKey6: request.requesterKey6,
+      tryParseEnvelope: ImageEnvelope.tryParse,
+      mediaLabel: 'image',
+    );
+  }
+
+  Contact? _resolveRequesterFromSentMessages<T>({
+    required String sessionId,
+    required String requesterKey6,
+    required T? Function(String text) tryParseEnvelope,
+    required String mediaLabel,
+  }) {
     for (final message in messagesProvider.messages.reversed) {
-      final envelope = ImageEnvelope.tryParse(message.text);
+      final envelope = tryParseEnvelope(message.text);
-      if (envelope == null || envelope.sessionId != request.sessionId) {
+      if (envelope == null) {
+        continue;
+      }
+      final envelopeSessionId = switch (envelope) {
+        VoiceEnvelope voiceEnvelope => voiceEnvelope.sessionId,
+        ImageEnvelope imageEnvelope => imageEnvelope.sessionId,
+        _ => null,
+      };
+      if (envelopeSessionId != sessionId) {
         continue;
       }
       final recipientKey = message.recipientPublicKey;
@@ -1291,12 +1331,13 @@ class AppProvider with ChangeNotifier {
           .sublist(0, 6)
           .map((b) => b.toRadixString(16).padLeft(2, '0'))
           .join();
-      if (recipientKey6 != request.requesterKey6) {
+      if (recipientKey6 != requesterKey6) {
         continue;
       }
       debugPrint(
-        '📷 [AppProvider] Resolved image requester from sent message metadata '
+        '${mediaLabel == 'voice' ? '🎙️' : '📷'} [AppProvider] Resolved '
-        'for session ${request.sessionId}: ${recipient.advName}',
+        '$mediaLabel requester from sent message metadata for session '
+        '$sessionId: ${recipient.advName}',
       );
       return recipient;
     }
@@ -1308,9 +1349,12 @@ class AppProvider with ChangeNotifier {
     String sessionId, {
     required bool justComplete,
   }) {
+    if (voiceProvider.isReceiveCanceled(sessionId)) {
+      _clearVoiceMissingRetry(sessionId);
+      return;
+    }
     if (justComplete || voiceProvider.isComplete(sessionId)) {
-      _voiceMissingRetryTimers.remove(sessionId)?.cancel();
+      _clearVoiceMissingRetry(sessionId);
-      _voiceMissingRetryAttempts.remove(sessionId);
       return;
     }
 
@@ -1321,10 +1365,43 @@ class AppProvider with ChangeNotifier {
     });
   }
 
-  Future<void> _requestMissingVoicePackets(String sessionId) async {
+  void _scheduleImageMissingRetry(
-    if (voiceProvider.isComplete(sessionId)) {
+    String sessionId, {
+    required bool justComplete,
+  }) {
+    if (imageProvider.isReceiveCanceled(sessionId)) {
+      _clearImageMissingRetry(sessionId);
+      return;
+    }
+    if (justComplete || imageProvider.isComplete(sessionId)) {
+      _clearImageMissingRetry(sessionId);
+      return;
+    }
+
+    _imageMissingRetryAttempts[sessionId] = 0;
+    _imageMissingRetryTimers[sessionId]?.cancel();
+    _imageMissingRetryTimers[sessionId] = Timer(_packetRetryDelay, () {
+      unawaited(_requestMissingImageFragments(sessionId));
+    });
+  }
+
+  void _clearVoiceMissingRetry(String sessionId) {
     _voiceMissingRetryTimers.remove(sessionId)?.cancel();
     _voiceMissingRetryAttempts.remove(sessionId);
+  }
+
+  void _clearImageMissingRetry(String sessionId) {
+    _imageMissingRetryTimers.remove(sessionId)?.cancel();
+    _imageMissingRetryAttempts.remove(sessionId);
+  }
+
+  Future<void> _requestMissingVoicePackets(String sessionId) async {
+    if (voiceProvider.isReceiveCanceled(sessionId)) {
+      _clearVoiceMissingRetry(sessionId);
+      return;
+    }
+    if (voiceProvider.isComplete(sessionId)) {
+      _clearVoiceMissingRetry(sessionId);
       return;
     }
 
@@ -1333,7 +1410,7 @@ class AppProvider with ChangeNotifier {
       debugPrint(
         '⚠️ [AppProvider] Voice re-request limit reached for $sessionId',
       );
-      _voiceMissingRetryTimers.remove(sessionId)?.cancel();
+      _clearVoiceMissingRetry(sessionId);
       return;
     }
 
@@ -1345,8 +1422,7 @@ class AppProvider with ChangeNotifier {
 
     final missing = voiceProvider.missingPacketIndices(sessionId);
     if (missing.isEmpty) {
-      _voiceMissingRetryTimers.remove(sessionId)?.cancel();
+      _clearVoiceMissingRetry(sessionId);
-      _voiceMissingRetryAttempts.remove(sessionId);
       return;
     }
 
@@ -1381,6 +1457,67 @@ class AppProvider with ChangeNotifier {
     });
   }
 
+  Future<void> _requestMissingImageFragments(String sessionId) async {
+    if (imageProvider.isReceiveCanceled(sessionId)) {
+      _clearImageMissingRetry(sessionId);
+      return;
+    }
+    if (imageProvider.isComplete(sessionId)) {
+      _clearImageMissingRetry(sessionId);
+      return;
+    }
+
+    final attempt = _imageMissingRetryAttempts[sessionId] ?? 0;
+    if (attempt >= _maxPacketRetryAttempts) {
+      debugPrint(
+        '⚠️ [AppProvider] Image re-request limit reached for $sessionId',
+      );
+      _clearImageMissingRetry(sessionId);
+      return;
+    }
+
+    final senderKey6 = _imageSessionSenderKey6[sessionId];
+    if (senderKey6 == null) return;
+    final sender = _resolveContactByPrefixHex(senderKey6);
+    final deviceKey = connectionProvider.deviceInfo.publicKey;
+    if (sender == null || deviceKey == null || deviceKey.length < 6) return;
+
+    final missing = imageProvider.missingFragmentIndices(sessionId);
+    if (missing.isEmpty) {
+      _clearImageMissingRetry(sessionId);
+      return;
+    }
+
+    final requesterKey6 = deviceKey
+        .sublist(0, 6)
+        .map((b) => b.toRadixString(16).padLeft(2, '0'))
+        .join('');
+
+    final request = ImageFetchRequest(
+      sessionId: sessionId,
+      want: 'missing',
+      missingIndices: missing,
+      requesterKey6: requesterKey6,
+      timestampSec: DateTime.now().millisecondsSinceEpoch ~/ 1000,
+    );
+
+    try {
+      await connectionProvider.sendRawVoicePacket(
+        contactPath: sender.outPath,
+        contactPathLen: sender.outPathLen,
+        payload: request.encodeBinary(),
+      );
+    } catch (_) {
+      return;
+    }
+
+    _imageMissingRetryAttempts[sessionId] = attempt + 1;
+    _imageMissingRetryTimers[sessionId]?.cancel();
+    _imageMissingRetryTimers[sessionId] = Timer(_packetRetryDelay, () {
+      unawaited(_requestMissingImageFragments(sessionId));
+    });
+  }
+
   /// Insert or update a voice placeholder message for binary raw-data packets.
   ///
   /// Binary voice packets arrive without a chat message, so we synthesise one
@@ -1604,9 +1741,15 @@ class AppProvider with ChangeNotifier {
     for (final timer in _voiceMissingRetryTimers.values) {
       timer.cancel();
     }
+    for (final timer in _imageMissingRetryTimers.values) {
+      timer.cancel();
+    }
     _voiceMissingRetryTimers.clear();
     _voiceMissingRetryAttempts.clear();
+    _imageMissingRetryTimers.clear();
+    _imageMissingRetryAttempts.clear();
     _voiceSessionSenderKey6.clear();
+    _imageSessionSenderKey6.clear();
     notifyListeners();
   }
 
@@ -1640,6 +1783,9 @@ class AppProvider with ChangeNotifier {
     for (final timer in _voiceMissingRetryTimers.values) {
       timer.cancel();
     }
+    for (final timer in _imageMissingRetryTimers.values) {
+      timer.cancel();
+    }
     super.dispose();
   }
 }

lib/widgets/messages/message_bubble.dart

@@ -1616,19 +1616,13 @@ class _MessageBubbleState extends State<MessageBubble> {
   }
 
   Widget _buildChannelEchoStatus(BuildContext context, Message message) {
-    final statusColor = _getDeliveryStatusColor(message.deliveryStatus);
     final hasEcho = message.echoCount > 0;
 
     if (!hasEcho) {
-      return Text(
+      return const SizedBox.shrink();
-        message.getLocalizedDeliveryStatus(context),
-        style: Theme.of(context).textTheme.labelSmall?.copyWith(
-          color: statusColor,
-          fontStyle: FontStyle.italic,
-        ),
-      );
     }
 
+    final statusColor = _getDeliveryStatusColor(message.deliveryStatus);
     final rssi = message.lastEchoRssiDbm;
     final snr = message.lastEchoSnrRaw != null
         ? message.lastEchoSnrRaw!.toSigned(8) / 4.0
@@ -1792,6 +1786,40 @@ class _MessageBubbleState extends State<MessageBubble> {
     );
   }
 
+  Widget _buildDirectHeaderCounterpart(
+    BuildContext context, {
+    required bool isOwnMessage,
+    required String label,
+  }) {
+    final textColor = Theme.of(
+      context,
+    ).textTheme.labelSmall?.color?.withValues(alpha: 0.75);
+
+    return Row(
+      children: [
+        Icon(
+          isOwnMessage ? Icons.arrow_forward : Icons.arrow_back,
+          size: 12,
+          color: Theme.of(
+            context,
+          ).textTheme.labelSmall?.color?.withValues(alpha: 0.7),
+        ),
+        const SizedBox(width: 4),
+        Expanded(
+          child: Text(
+            label,
+            style: Theme.of(context).textTheme.labelSmall?.copyWith(
+              color: textColor,
+              fontStyle: FontStyle.italic,
+            ),
+            maxLines: 1,
+            overflow: TextOverflow.ellipsis,
+          ),
+        ),
+      ],
+    );
+  }
+
   String _hopDebugLabel(Message message) {
     if (message.pathLen >= 255 && message.isContactMessage) {
       return 'Direct (raw: ${message.pathLen})';
@@ -2097,6 +2125,9 @@ class _MessageBubbleState extends State<MessageBubble> {
         isOwnMessage && message.isChannelMessage && recipientDisplayName != null
         ? '${l10n.channel}: $recipientDisplayName'
         : recipientDisplayName;
+    final directCounterpartLabel = !message.isChannelMessage
+        ? (isOwnMessage ? recipientSubtitle : l10n.you)
+        : null;
     final receivedChannelSubtitle =
         !isOwnMessage && message.isChannelMessage && channelDisplayName != null
         ? '${l10n.channel}: $channelDisplayName'
@@ -2293,7 +2324,7 @@ class _MessageBubbleState extends State<MessageBubble> {
                   Expanded(
                     child: Row(
                       children: [
-                        Flexible(
+                        Expanded(
                           child: Text(
                             displayName,
                             style: Theme.of(context).textTheme.labelMedium
@@ -2309,10 +2340,12 @@ class _MessageBubbleState extends State<MessageBubble> {
                         ),
                         if (!widget.isCompact &&
                             (recipientSubtitle != null ||
+                                directCounterpartLabel != null ||
                                 receivedChannelSubtitle != null)) ...[
                           const SizedBox(width: 8),
                           if (message.isChannelMessage)
-                            Flexible(
+                            Align(
+                              alignment: Alignment.centerRight,
                               child: _buildChannelHeaderPill(
                                 context,
                                 label: isOwnMessage
@@ -2322,41 +2355,10 @@ class _MessageBubbleState extends State<MessageBubble> {
                             )
                           else
                             Expanded(
-                              child: Row(
+                              child: _buildDirectHeaderCounterpart(
-                                children: [
+                                context,
-                                  Icon(
+                                isOwnMessage: isOwnMessage,
-                                    isOwnMessage
+                                label: directCounterpartLabel!,
-                                        ? Icons.arrow_forward
-                                        : Icons.arrow_back,
-                                    size: 12,
-                                    color: Theme.of(context)
-                                        .textTheme
-                                        .labelSmall
-                                        ?.color
-                                        ?.withValues(alpha: 0.7),
-                                  ),
-                                  const SizedBox(width: 4),
-                                  Expanded(
-                                    child: Text(
-                                      isOwnMessage
-                                          ? recipientSubtitle!
-                                          : receivedChannelSubtitle!,
-                                      style: Theme.of(context)
-                                          .textTheme
-                                          .labelSmall
-                                          ?.copyWith(
-                                            color: Theme.of(context)
-                                                .textTheme
-                                                .labelSmall
-                                                ?.color
-                                                ?.withValues(alpha: 0.75),
-                                            fontStyle: FontStyle.italic,
-                                          ),
-                                      maxLines: 1,
-                                      overflow: TextOverflow.ellipsis,
-                                    ),
-                                  ),
-                                ],
                               ),
                             ),
                         ],
@@ -2838,7 +2840,8 @@ class _MessageBubbleState extends State<MessageBubble> {
                   ),
                 ]
                 // Show single message delivery status
-                else
+                else if (!message.isChannelMessage ||
+                    message.deliveryStatus == MessageDeliveryStatus.failed)
                   Row(
                     mainAxisSize: MainAxisSize.max,
                     children: [

lib/widgets/messages/messages_composer.dart

@@ -51,7 +51,7 @@ class MessagesComposer extends StatelessWidget {
           SafeArea(
             top: false,
             child: Padding(
-              padding: EdgeInsets.fromLTRB(10, 10, 10, bottomPadding),
+              padding: EdgeInsets.fromLTRB(10, 4, 10, bottomPadding),
               child: Container(
                 decoration: BoxDecoration(
                   color: Theme.of(context).colorScheme.surfaceContainerLow,

lib/widgets/messages/voice_message_bubble.dart

@@ -281,7 +281,24 @@ class _VoiceMessageBubbleState extends State<VoiceMessageBubble> {
         .sublist(0, 6)
         .map((b) => b.toRadixString(16).padLeft(2, '0'))
         .join('');
-    final request = VoiceFetchRequest(
+    final missing = voiceProvider.missingPacketIndices(sessionId);
+    final totalPackets = sessionPacketCount(
+      voiceProvider: voiceProvider,
+      sessionId: sessionId,
+      envelope: envelope,
+    );
+    final isPartialResume =
+        missing.isNotEmpty && totalPackets > 0 && missing.length < totalPackets;
+    final request = isPartialResume
+        ? VoiceFetchRequest(
+            sessionId: sessionId,
+            want: 'missing',
+            missingIndices: missing,
+            requesterKey6: requesterKey6,
+            timestampSec: DateTime.now().millisecondsSinceEpoch ~/ 1000,
+            version: 2,
+          )
+        : VoiceFetchRequest(
             sessionId: sessionId,
             requesterKey6: requesterKey6,
             timestampSec: DateTime.now().millisecondsSinceEpoch ~/ 1000,
@@ -309,11 +326,18 @@ class _VoiceMessageBubbleState extends State<VoiceMessageBubble> {
     final effectivePathLen = sender.outPathLen >= 0
         ? sender.outPathLen
         : pathLen;
+    final estimatedDurationMs =
+        envelope != null &&
+            totalPackets > 0 &&
+            missing.isNotEmpty &&
+            missing.length < totalPackets
+        ? ((envelope.durationMs * missing.length) / totalPackets).round()
+        : envelope?.durationMs;
     final txEstimate = envelope != null
         ? estimateVoiceTransmitDuration(
-            packetCount: envelope.total,
+            packetCount: isPartialResume ? missing.length : envelope.total,
             mode: envelope.mode,
-            durationMs: envelope.durationMs,
+            durationMs: estimatedDurationMs ?? envelope.durationMs,
             pathLen: effectivePathLen,
             radioBw: radioBw,
             radioSf: radioSf,
@@ -331,6 +355,14 @@ class _VoiceMessageBubbleState extends State<VoiceMessageBubble> {
     );
   }
 
+  int sessionPacketCount({
+    required VoiceProvider voiceProvider,
+    required String sessionId,
+    required VoiceEnvelope? envelope,
+  }) {
+    return voiceProvider.session(sessionId)?.total ?? envelope?.total ?? 0;
+  }
+
   void _setUnavailable() {
     if (!mounted) return;
     _showToast(AppLocalizations.of(context)!.voiceUnavailable);