Fix RX advert data parsing

lib/models/message_reception_details.dart

@@ -30,6 +30,7 @@ class MessageReceptionDetails {
   final int? senderToReceiptMs;
   final int? estimatedTransmitMs;
   final int? postTransmitDelayMs;
+  final int receivedCopies;
 
   const MessageReceptionDetails({
     required this.capturedAt,
@@ -40,6 +41,7 @@ class MessageReceptionDetails {
     this.senderToReceiptMs,
     this.estimatedTransmitMs,
     this.postTransmitDelayMs,
+    this.receivedCopies = 1,
   });
 
   String? get pathBytesHex => pathBytes == null || pathBytes!.isEmpty
@@ -56,9 +58,60 @@ class MessageReceptionDetails {
       'senderToReceiptMs': senderToReceiptMs,
       'estimatedTransmitMs': estimatedTransmitMs,
       'postTransmitDelayMs': postTransmitDelayMs,
+      'receivedCopies': receivedCopies,
     };
   }
 
+  MessageReceptionDetails copyWith({
+    DateTime? capturedAt,
+    DateTime? packetLoggedAt,
+    int? rssiDbm,
+    double? snrDb,
+    List<int>? pathBytes,
+    int? senderToReceiptMs,
+    int? estimatedTransmitMs,
+    int? postTransmitDelayMs,
+    int? receivedCopies,
+  }) {
+    return MessageReceptionDetails(
+      capturedAt: capturedAt ?? this.capturedAt,
+      packetLoggedAt: packetLoggedAt ?? this.packetLoggedAt,
+      rssiDbm: rssiDbm ?? this.rssiDbm,
+      snrDb: snrDb ?? this.snrDb,
+      pathBytes: pathBytes ?? this.pathBytes,
+      senderToReceiptMs: senderToReceiptMs ?? this.senderToReceiptMs,
+      estimatedTransmitMs: estimatedTransmitMs ?? this.estimatedTransmitMs,
+      postTransmitDelayMs: postTransmitDelayMs ?? this.postTransmitDelayMs,
+      receivedCopies: receivedCopies ?? this.receivedCopies,
+    );
+  }
+
+  static MessageReceptionDetails mergeDuplicate({
+    MessageReceptionDetails? existing,
+    MessageReceptionDetails? incoming,
+  }) {
+    final base =
+        existing ??
+        incoming ??
+        MessageReceptionDetails(capturedAt: DateTime.now());
+
+    return base.copyWith(
+      capturedAt: incoming?.capturedAt ?? existing?.capturedAt,
+      packetLoggedAt: incoming?.packetLoggedAt ?? existing?.packetLoggedAt,
+      rssiDbm: incoming?.rssiDbm ?? existing?.rssiDbm,
+      snrDb: incoming?.snrDb ?? existing?.snrDb,
+      pathBytes: incoming?.pathBytes ?? existing?.pathBytes,
+      senderToReceiptMs:
+          incoming?.senderToReceiptMs ?? existing?.senderToReceiptMs,
+      estimatedTransmitMs:
+          incoming?.estimatedTransmitMs ?? existing?.estimatedTransmitMs,
+      postTransmitDelayMs:
+          incoming?.postTransmitDelayMs ?? existing?.postTransmitDelayMs,
+      receivedCopies:
+          (existing?.receivedCopies ?? 1) + (incoming?.receivedCopies ?? 1),
+    );
+  }
+
   static MessageReceptionDetails? fromJson(Map<String, dynamic> json) {
     final capturedAtMillis = json['capturedAtMillis'];
     if (capturedAtMillis is! int) {
@@ -81,6 +134,7 @@ class MessageReceptionDetails {
       senderToReceiptMs: json['senderToReceiptMs'] as int?,
       estimatedTransmitMs: json['estimatedTransmitMs'] as int?,
       postTransmitDelayMs: json['postTransmitDelayMs'] as int?,
+      receivedCopies: json['receivedCopies'] as int? ?? 1,
     );
   }
 }

lib/providers/app_provider.dart

@@ -17,6 +17,7 @@ import '../services/nearest_router_selector.dart';
 import '../services/packet_capture_storage_service.dart';
 import '../services/path_history_service.dart';
 import '../services/route_hash_preferences.dart';
+import '../services/notification_service.dart';
 import '../models/contact.dart';
 import '../models/message.dart';
 import '../models/ble_packet_log.dart';
@@ -59,6 +60,9 @@ class _DirectMessageRouteSession {
 /// Main App Provider - coordinates all other providers
 class AppProvider with ChangeNotifier {
   static const int _maxDirectPayloadHops = 3;
+  static const double _lowBatteryThresholdPercent = 30.0;
+  static const double _lowBatteryResetThresholdPercent = 35.0;
+  static const Duration _lowBatteryCheckInterval = Duration(minutes: 5);
   @visibleForTesting
   static bool isDeletedChannelInfo(
     int channelIdx,
@@ -88,6 +92,7 @@ class AppProvider with ChangeNotifier {
       LocationTrackingService();
   final PacketCaptureStorageService packetCaptureStorageService =
       PacketCaptureStorageService();
+  final NotificationService _notificationService = NotificationService();
 
   bool _isInitialized = false;
   bool get isInitialized => _isInitialized;
@@ -117,8 +122,6 @@ class AppProvider with ChangeNotifier {
   bool get isVoiceNoiseSuppressionEnabled => _isVoiceNoiseSuppressionEnabled;
   double _messageFontScale = 1.0;
   double get messageFontScale => _messageFontScale;
-  bool _autoAddDiscoveredContacts = false;
-  bool get autoAddDiscoveredContacts => _autoAddDiscoveredContacts;
   bool _autoRouteRotationEnabled =
       MessagingRoutePreferences.defaultAutoRouteRotationEnabled;
   bool get autoRouteRotationEnabled => _autoRouteRotationEnabled;
@@ -150,11 +153,13 @@ class AppProvider with ChangeNotifier {
   _pendingMediaSwarmResponses = {};
   bool _fastLocationScreenActive = false;
   Timer? _packetCaptureFlushTimer;
+  Timer? _lowBatteryCheckTimer;
   String? _lastPersistedPacketSignature;
   bool _isPersistingPacketCapture = false;
   bool _wasDeviceConnected = false;
   bool _hasCompletedConnectionBootstrap = false;
   bool _isReconnectSyncInProgress = false;
+  final Set<String> _lowBatteryNotifiedNodeIds = <String>{};
 
   AppProvider({
     required this.connectionProvider,
@@ -181,10 +186,10 @@ class AppProvider with ChangeNotifier {
     _loadVoiceEchoCancellationEnabled();
     _loadVoiceNoiseSuppressionEnabled();
     _loadMessageFontScale();
-    _loadAutoAddDiscoveredContacts();
     _loadMessagingRouteSettings();
     unawaited(_pathHistoryService.initialize());
     _startPacketCapturePersistence();
+    _startLowBatteryWatcher();
     _syncDrawingsOnStartup(); // Sync drawings immediately after providers load
     _isInitialized = true;
   }
@@ -197,6 +202,86 @@ class AppProvider with ChangeNotifier {
     unawaited(_flushPacketCaptureLogs());
   }
 
+  void _startLowBatteryWatcher() {
+    _lowBatteryCheckTimer?.cancel();
+    _lowBatteryCheckTimer = Timer.periodic(_lowBatteryCheckInterval, (_) {
+      unawaited(_checkLowBatteryAlerts());
+    });
+    unawaited(_checkLowBatteryAlerts());
+  }
+
+  Future<void> _checkLowBatteryAlerts() async {
+    final recoveredIds = <String>{};
+
+    final deviceBattery = connectionProvider.deviceInfo.batteryPercent;
+    if (deviceBattery != null &&
+        deviceBattery > _lowBatteryResetThresholdPercent) {
+      recoveredIds.add('device');
+    }
+
+    for (final contact in contactsProvider.contacts) {
+      if (contact.isChannel) continue;
+      final battery = contact.displayBattery;
+      if (battery == null) continue;
+      if (battery > _lowBatteryResetThresholdPercent) {
+        recoveredIds.add(contact.publicKeyHex);
+      }
+    }
+
+    if (recoveredIds.isNotEmpty) {
+      _lowBatteryNotifiedNodeIds.removeAll(recoveredIds);
+    }
+
+    if (connectionProvider.deviceInfo.isConnected && deviceBattery != null) {
+      await _notifyLowBatteryIfNeeded(
+        nodeId: 'device',
+        nodeName:
+            connectionProvider.deviceInfo.selfName?.trim().isNotEmpty == true
+            ? connectionProvider.deviceInfo.selfName!.trim()
+            : (connectionProvider.deviceInfo.displayName ?? 'Connected device'),
+        batteryPercent: deviceBattery,
+        isCurrentDevice: true,
+      );
+    }
+
+    for (final contact in contactsProvider.contacts) {
+      if (contact.isChannel) continue;
+      final battery = contact.displayBattery;
+      if (battery == null) continue;
+
+      await _notifyLowBatteryIfNeeded(
+        nodeId: contact.publicKeyHex,
+        nodeName: contact.displayName,
+        batteryPercent: battery,
+        isCurrentDevice: false,
+      );
+    }
+  }
+
+  Future<void> _notifyLowBatteryIfNeeded({
+    required String nodeId,
+    required String nodeName,
+    required double batteryPercent,
+    required bool isCurrentDevice,
+  }) async {
+    if (batteryPercent >= _lowBatteryThresholdPercent) {
+      return;
+    }
+    if (_lowBatteryNotifiedNodeIds.contains(nodeId)) {
+      return;
+    }
+
+    final shown = await _notificationService.showLowBatteryNotification(
+      nodeId: nodeId,
+      nodeName: nodeName,
+      batteryPercent: batteryPercent,
+      isCurrentDevice: isCurrentDevice,
+    );
+    if (shown) {
+      _lowBatteryNotifiedNodeIds.add(nodeId);
+    }
+  }
+
   String _packetLogSignature(BlePacketLog log) {
     final prefix = log.rawData.length <= 12
         ? log.rawData
@@ -251,7 +336,8 @@ class AppProvider with ChangeNotifier {
   Future<void> _syncDrawingsOnStartup() async {
     // Wait for both MessagesProvider and DrawingProvider to finish initializing
     int attempts = 0;
-    while ((!messagesProvider.isInitialized || !drawingProvider.isInitialized) &&
+    while ((!messagesProvider.isInitialized ||
+            !drawingProvider.isInitialized) &&
         attempts < 40) {
       await Future.delayed(const Duration(milliseconds: 50));
       attempts++;
@@ -649,30 +735,6 @@ class AppProvider with ChangeNotifier {
     }
   }
 
-  /// Load auto-add discovered contacts setting from shared preferences.
-  Future<void> _loadAutoAddDiscoveredContacts() async {
-    try {
-      final prefs = await SharedPreferences.getInstance();
-      _autoAddDiscoveredContacts =
-          prefs.getBool('auto_add_discovered_contacts') ?? false;
-      notifyListeners();
-    } catch (e) {
-      debugPrint('Error loading auto-add discovered contacts setting: $e');
-    }
-  }
-
-  /// Toggle auto-add discovered contacts on/off.
-  Future<void> toggleAutoAddDiscoveredContacts(bool enabled) async {
-    try {
-      _autoAddDiscoveredContacts = enabled;
-      final prefs = await SharedPreferences.getInstance();
-      await prefs.setBool('auto_add_discovered_contacts', enabled);
-      notifyListeners();
-    } catch (e) {
-      debugPrint('Error saving auto-add discovered contacts setting: $e');
-    }
-  }
-
   Future<void> _loadMessagingRouteSettings() async {
     try {
       _autoRouteRotationEnabled =
@@ -1432,20 +1494,22 @@ class AppProvider with ChangeNotifier {
           }
         });
       } else {
-        if (_autoAddDiscoveredContacts) {
-          debugPrint('   Unknown contact - auto-add enabled, fetching details');
-          Future.delayed(const Duration(milliseconds: 100), () {
-            if (connectionProvider.deviceInfo.isConnected) {
-              connectionProvider.getContact(publicKey);
-            }
-          });
-        } else {
-          contactsProvider.addPendingAdvert(
-            publicKey,
-            devicePublicKey: connectionProvider.deviceInfo.publicKey,
-          );
-          debugPrint(
-            '   Unknown contact - added to pending adverts list and waiting for details',
+        final isNewPendingAdvert = contactsProvider.addPendingAdvert(
+          publicKey,
+          devicePublicKey: connectionProvider.deviceInfo.publicKey,
+        );
+        debugPrint(
+          '   Unknown contact - added to pending adverts list and waiting for manual resolution',
+        );
+        if (isNewPendingAdvert) {
+          final keyHex = publicKey
+              .take(6)
+              .map((b) => b.toRadixString(16).padLeft(2, '0'))
+              .join();
+          unawaited(
+            _notificationService.showContactDiscoveredNotification(
+              contactKey: keyHex,
+            ),
           );
         }
       }
@@ -3074,6 +3138,7 @@ class AppProvider with ChangeNotifier {
     _imageMissingRetryAttempts.clear();
     _voiceSessionSenderKey6.clear();
     _imageSessionSenderKey6.clear();
+    _lowBatteryNotifiedNodeIds.clear();
     notifyListeners();
   }
 
@@ -3094,6 +3159,7 @@ class AppProvider with ChangeNotifier {
   @override
   void dispose() {
     _packetCaptureFlushTimer?.cancel();
+    _lowBatteryCheckTimer?.cancel();
     unawaited(_flushPacketCaptureLogs());
     // Remove connection state listener
     connectionProvider.removeListener(_handleConnectionStateChange);

lib/providers/connection_provider.dart

@@ -2255,7 +2255,7 @@ class ConnectionProvider with ChangeNotifier {
     if (!_activeService.isConnected) {
       _error = 'Not connected to device';
       notifyListeners();
-      return;
+      throw Exception(_error);
     }
 
     try {
@@ -2263,6 +2263,7 @@ class ConnectionProvider with ChangeNotifier {
     } catch (e) {
       _error = 'Failed to remove contact: $e';
       notifyListeners();
+      rethrow;
     }
   }
 

lib/providers/contacts_provider.dart

@@ -1,3 +1,4 @@
+import 'dart:convert';
 import 'dart:math';
 import 'package:flutter/foundation.dart';
 import 'package:latlong2/latlong.dart';
@@ -66,6 +67,8 @@ class ContactsProvider with ChangeNotifier {
   bool _isInitialized = false;
   bool _isPersisting = false;
   bool _persistRequested = false;
+  bool _isPersistingPendingAdverts = false;
+  bool _persistPendingAdvertsRequested = false;
 
   // Add default public channel on initialization
   ContactsProvider() {
@@ -85,6 +88,7 @@ class ContactsProvider with ChangeNotifier {
       );
       final storedContacts = await _storageService.loadContacts();
       final storedGroups = await _storageService.loadContactGroups();
+      final storedPendingAdverts = await _storageService.loadPendingAdverts();
 
       // Add stored contacts (excluding any with all-zeros public key)
       const publicChannelKey =
@@ -101,6 +105,7 @@ class ContactsProvider with ChangeNotifier {
       _savedContactGroups
         ..clear()
         ..addAll(storedGroups);
+      _restorePendingAdverts(storedPendingAdverts);
       debugPrint(
         '✅ [ContactsProvider] Early loaded ${storedContacts.length} persisted contacts and ${storedGroups.length} groups',
       );
@@ -133,6 +138,7 @@ class ContactsProvider with ChangeNotifier {
         excludePublicKey: devicePublicKey,
       );
       final storedGroups = await _storageService.loadContactGroups();
+      final storedPendingAdverts = await _storageService.loadPendingAdverts();
 
       // Add stored contacts (excluding any with all-zeros public key)
       const publicChannelKey =
@@ -149,6 +155,10 @@ class ContactsProvider with ChangeNotifier {
       _savedContactGroups
         ..clear()
         ..addAll(storedGroups);
+      _restorePendingAdverts(
+        storedPendingAdverts,
+        devicePublicKey: devicePublicKey,
+      );
       debugPrint(
         '✅ [ContactsProvider] Loaded ${storedContacts.length} persisted contacts and ${storedGroups.length} groups',
       );
@@ -212,14 +222,7 @@ class ContactsProvider with ChangeNotifier {
     try {
       while (_persistRequested) {
         _persistRequested = false;
-        // Don't persist the public channel pseudo-contact (all zeros key)
-        const publicChannelKey =
-            '0000000000000000000000000000000000000000000000000000000000000000';
-        final contactsToSave = _contacts.entries
-            .where((entry) => entry.key != publicChannelKey)
-            .map((entry) => entry.value)
-            .toList();
-        await _storageService.saveContacts(contactsToSave);
+        await _storageService.saveContacts(_contactsForStorage());
       }
     } catch (e) {
       debugPrint('❌ [ContactsProvider] Error persisting contacts: $e');
@@ -228,6 +231,24 @@ class ContactsProvider with ChangeNotifier {
     }
   }
 
+  Future<void> _persistPendingAdverts() async {
+    _persistPendingAdvertsRequested = true;
+    if (_isPersistingPendingAdverts) return;
+    _isPersistingPendingAdverts = true;
+    try {
+      while (_persistPendingAdvertsRequested) {
+        _persistPendingAdvertsRequested = false;
+        await _storageService.savePendingAdverts(
+          _pendingAdverts.values.map(_pendingAdvertToJson).toList(),
+        );
+      }
+    } catch (e) {
+      debugPrint('❌ [ContactsProvider] Error persisting pending adverts: $e');
+    } finally {
+      _isPersistingPendingAdverts = false;
+    }
+  }
+
   List<Contact> get contacts => _contacts.values.toList();
   List<SavedContactGroup> get savedContactGroups =>
       List<SavedContactGroup>.from(_savedContactGroups)
@@ -450,6 +471,7 @@ class ContactsProvider with ChangeNotifier {
       '   ✅ Contact added/updated. Total contacts: ${_contacts.length}, channels: ${channels.length}',
     );
     _persistContacts();
+    _persistPendingAdverts();
     notifyListeners();
     debugPrint('   🔔 notifyListeners() called');
   }
@@ -481,6 +503,7 @@ class ContactsProvider with ChangeNotifier {
       );
     }
     _persistContacts();
+    _persistPendingAdverts();
     notifyListeners();
   }
 
@@ -1073,9 +1096,9 @@ class ContactsProvider with ChangeNotifier {
 
   /// Add or refresh a pending advert entry from PUSH_CODE_ADVERT (0x80).
   /// Excludes self key and existing contacts.
-  void addPendingAdvert(Uint8List publicKey, {Uint8List? devicePublicKey}) {
+  bool addPendingAdvert(Uint8List publicKey, {Uint8List? devicePublicKey}) {
     if (devicePublicKey != null && publicKey.matches(devicePublicKey)) {
-      return;
+      return false;
     }
 
     final keyHex = publicKey
@@ -1083,20 +1106,26 @@ class ContactsProvider with ChangeNotifier {
         .join('');
     if (_contacts.containsKey(keyHex)) {
       _pendingAdverts.remove(keyHex);
-      return;
+      _persistPendingAdverts();
+      return false;
     }
 
     final existing = _pendingAdverts[keyHex];
     final now = DateTime.now();
     if (existing != null) {
       _pendingAdverts[keyHex] = existing.copyWith(receivedAt: now);
+      _persistPendingAdverts();
+      notifyListeners();
+      return false;
     } else {
       _pendingAdverts[keyHex] = PendingAdvert(
         publicKey: Uint8List.fromList(publicKey),
         receivedAt: now,
       );
+      _persistPendingAdverts();
+      notifyListeners();
+      return true;
     }
-    notifyListeners();
   }
 
   /// Find contact by name
@@ -1155,6 +1184,7 @@ class ContactsProvider with ChangeNotifier {
     _pendingAdverts.clear();
     _ensurePublicChannelExists();
     _persistContacts();
+    _persistPendingAdverts();
     notifyListeners();
   }
 
@@ -1177,6 +1207,7 @@ class ContactsProvider with ChangeNotifier {
     _contacts.remove(publicKeyHex);
     _pendingAdverts.remove(publicKeyHex);
     _persistContacts();
+    _persistPendingAdverts();
     notifyListeners();
   }
 
@@ -1185,6 +1216,74 @@ class ContactsProvider with ChangeNotifier {
     return await _storageService.getStorageStats();
   }
 
+  Future<void> persistNow() async {
+    await _storageService.saveContacts(_contactsForStorage());
+  }
+
+  List<Contact> _contactsForStorage() {
+    // Don't persist the public channel pseudo-contact (all zeros key)
+    const publicChannelKey =
+        '0000000000000000000000000000000000000000000000000000000000000000';
+    return _contacts.entries
+        .where((entry) => entry.key != publicChannelKey)
+        .map((entry) => entry.value)
+        .toList();
+  }
+
+  void _restorePendingAdverts(
+    List<Map<String, dynamic>> storedPendingAdverts, {
+    Uint8List? devicePublicKey,
+  }) {
+    _pendingAdverts.clear();
+    for (final json in storedPendingAdverts) {
+      final advert = _pendingAdvertFromJson(json);
+      if (advert == null) continue;
+      if (devicePublicKey != null &&
+          advert.publicKey.matches(devicePublicKey)) {
+        continue;
+      }
+      if (_contacts.containsKey(advert.publicKeyHex)) {
+        continue;
+      }
+      _pendingAdverts[advert.publicKeyHex] = advert;
+    }
+  }
+
+  Map<String, dynamic> _pendingAdvertToJson(PendingAdvert advert) {
+    return {
+      'publicKey': base64Encode(advert.publicKey),
+      'receivedAtMillis': advert.receivedAt.millisecondsSinceEpoch,
+      'signedEncodedPathLen': advert.signedEncodedPathLen,
+      'paddedPathBytes': advert.paddedPathBytes == null
+          ? null
+          : base64Encode(advert.paddedPathBytes!),
+    };
+  }
+
+  PendingAdvert? _pendingAdvertFromJson(Map<String, dynamic> json) {
+    try {
+      return PendingAdvert(
+        publicKey: Uint8List.fromList(
+          base64Decode(json['publicKey'] as String),
+        ),
+        receivedAt: DateTime.fromMillisecondsSinceEpoch(
+          json['receivedAtMillis'] as int,
+        ),
+        signedEncodedPathLen: json['signedEncodedPathLen'] as int?,
+        paddedPathBytes: json['paddedPathBytes'] == null
+            ? null
+            : Uint8List.fromList(
+                base64Decode(json['paddedPathBytes'] as String),
+              ),
+      );
+    } catch (e) {
+      debugPrint(
+        '❌ [ContactsProvider] Error parsing pending advert from JSON: $e',
+      );
+      return null;
+    }
+  }
+
   /// Get contact count by type
   Map<String, int> get contactCounts {
     return {

lib/providers/messages_provider.dart

@@ -18,6 +18,8 @@ import '../utils/image_message_parser.dart';
 import '../l10n/app_localizations.dart';
 import 'helpers/message_retry_manager.dart';
 
+typedef DisplayMessageEntry = ({Message message, int occurrenceCount});
+
 /// Messages Provider - manages message history and SAR markers
 class MessagesProvider with ChangeNotifier {
   static const Duration _channelEchoWarningDelay = Duration(seconds: 12);
@@ -591,8 +593,12 @@ class MessagesProvider with ChangeNotifier {
       if (contactLocationSnapshot != null) {
         _messageContactLocations[existingId] = contactLocationSnapshot;
       }
+      _messageReceptionDetails[existingId] =
+          MessageReceptionDetails.mergeDuplicate(
+            existing: _messageReceptionDetails[existingId],
+            incoming: receptionDetailsSnapshot,
+          );
       if (receptionDetailsSnapshot != null) {
-        _messageReceptionDetails[existingId] = receptionDetailsSnapshot;
         final existingMessage = _messages[duplicateIndex];
         final duplicatePathBytes = receptionDetailsSnapshot.pathBytes;
         if (existingMessage.pathBytes == null &&
@@ -775,7 +781,13 @@ class MessagesProvider with ChangeNotifier {
       enhancedMessage = _resolveSenderNameIfNeeded(enhancedMessage);
 
       // Check for duplicates
-      if (_findDuplicateMessageIndex(enhancedMessage) != -1) {
+      final duplicateIndex = _findDuplicateMessageIndex(enhancedMessage);
+      if (duplicateIndex != -1) {
+        final existingId = _messages[duplicateIndex].id;
+        _messageReceptionDetails[existingId] =
+            MessageReceptionDetails.mergeDuplicate(
+              existing: _messageReceptionDetails[existingId],
+            );
         duplicateCount++;
         continue; // Skip duplicate
       }
@@ -1026,7 +1038,9 @@ class MessagesProvider with ChangeNotifier {
   /// overlapping serialization and redundant SharedPreferences writes.
   Future<void> _persistMessages() async {
     _persistRequested = true;
-    if (_isPersisting) return; // A write is in flight; it will pick up our changes.
+    if (_isPersisting) {
+      return; // A write is in flight; it will pick up our changes.
+    }
     _isPersisting = true;
     try {
       while (_persistRequested) {
@@ -1121,6 +1135,35 @@ class MessagesProvider with ChangeNotifier {
     return sorted.take(count).toList();
   }
 
+  List<DisplayMessageEntry> buildDisplayMessages(Iterable<Message> messages) {
+    final entries = <DisplayMessageEntry>[];
+
+    for (final message in messages) {
+      final occurrenceCount = _messageOccurrenceCount(message);
+      final existingIndex = entries.indexWhere(
+        (entry) =>
+            entry.message.text == message.text &&
+            _matchesDuplicateScope(entry.message, message),
+      );
+
+      if (existingIndex == -1) {
+        entries.add((message: message, occurrenceCount: occurrenceCount));
+        continue;
+      }
+
+      final existingEntry = entries[existingIndex];
+      entries[existingIndex] = (
+        message: existingEntry.message,
+        occurrenceCount: existingEntry.occurrenceCount + occurrenceCount,
+      );
+    }
+
+    return entries;
+  }
+
+  int _messageOccurrenceCount(Message message) =>
+      _messageReceptionDetails[message.id]?.receivedCopies ?? 1;
+
   /// Get messages from last N hours
   List<Message> getMessagesSince(Duration duration) {
     final cutoff = DateTime.now().subtract(duration);

lib/screens/contacts_tab.dart

@@ -34,8 +34,6 @@ class ContactsTab extends StatefulWidget {
 
 class _ContactsTabState extends State<ContactsTab> {
   Position? _currentPosition;
-  final Set<String> _resolvingAdvertKeys = <String>{};
-  bool _isResolvingPendingBatch = false;
   final Map<ContactSection, String> _sectionFilters = {
     ContactSection.teamMembers: '',
     ContactSection.repeaters: '',
@@ -99,57 +97,6 @@ class _ContactsTabState extends State<ContactsTab> {
     await _getCurrentLocation();
   }
 
-  Future<void> _handleResolveAdvert(PendingAdvert advert) async {
-    final keyHex = advert.publicKeyHex;
-    if (_resolvingAdvertKeys.contains(keyHex)) return;
-
-    setState(() {
-      _resolvingAdvertKeys.add(keyHex);
-    });
-
-    try {
-      await context.read<ConnectionProvider>().getContact(advert.publicKey);
-    } finally {
-      if (mounted) {
-        setState(() {
-          _resolvingAdvertKeys.remove(keyHex);
-        });
-      }
-    }
-  }
-
-  void _schedulePendingAdvertResolution(
-    List<PendingAdvert> pendingAdverts,
-    ConnectionProvider connectionProvider,
-  ) {
-    if (_isResolvingPendingBatch ||
-        !connectionProvider.deviceInfo.isConnected ||
-        pendingAdverts.isEmpty) {
-      return;
-    }
-
-    final advertsToResolve = pendingAdverts
-        .where((advert) => !_resolvingAdvertKeys.contains(advert.publicKeyHex))
-        .toList();
-    if (advertsToResolve.isEmpty) {
-      return;
-    }
-
-    WidgetsBinding.instance.addPostFrameCallback((_) async {
-      if (!mounted || _isResolvingPendingBatch) return;
-
-      _isResolvingPendingBatch = true;
-      try {
-        for (final advert in advertsToResolve) {
-          if (!mounted) break;
-          await _handleResolveAdvert(advert);
-        }
-      } finally {
-        _isResolvingPendingBatch = false;
-      }
-    });
-  }
-
   /// Calculate distance between two points in meters
   double _calculateDistanceInMeters(
     double lat1,
@@ -181,15 +128,6 @@ class _ContactsTabState extends State<ContactsTab> {
     }
   }
 
-  String _formatRelativeTime(BuildContext context, DateTime when) {
-    final l10n = AppLocalizations.of(context)!;
-    final diff = DateTime.now().difference(when);
-    if (diff.inMinutes < 1) return l10n.justNow;
-    if (diff.inMinutes < 60) return l10n.minutesAgo(diff.inMinutes);
-    if (diff.inHours < 24) return l10n.hoursAgo(diff.inHours);
-    return l10n.daysAgo(diff.inDays);
-  }
-
   List<Contact> _filterContactsForSection(
     List<Contact> contacts,
     ContactSection section,
@@ -593,7 +531,6 @@ class _ContactsTabState extends State<ContactsTab> {
       body: Consumer<ContactsProvider>(
         builder: (context, contactsProvider, child) {
           final messagesProvider = context.watch<MessagesProvider>();
-          final connectionProvider = context.watch<ConnectionProvider>();
           final allChatContacts = _sortContacts(
             contactsProvider.chatContacts,
             ContactSection.teamMembers,
@@ -673,17 +610,12 @@ class _ContactsTabState extends State<ContactsTab> {
           final showRepeatersSection = allRepeaters.isNotEmpty;
           final showRoomsSection = allRooms.isNotEmpty;
           final showChannelsSection = allChannels.isNotEmpty;
-          final pendingAdverts = contactsProvider.pendingAdverts;
-
-          _schedulePendingAdvertResolution(pendingAdverts, connectionProvider);
-
           // Check if there are any displayable contacts
           final hasDisplayableContacts =
               allChatContacts.isNotEmpty ||
               allRepeaters.isNotEmpty ||
               allRooms.isNotEmpty ||
-              allChannels.isNotEmpty ||
-              pendingAdverts.isNotEmpty;
+              allChannels.isNotEmpty;
 
           if (!hasDisplayableContacts) {
             return Center(
@@ -838,27 +770,6 @@ class _ContactsTabState extends State<ContactsTab> {
                   const Divider(height: 32),
                 ],
 
-                // Pending adverts are kept below resolved sections while we load details.
-                if (pendingAdverts.isNotEmpty) ...[
-                  _SectionHeader(
-                    title: l10n.pending,
-                    count: pendingAdverts.length,
-                    icon: Icons.person_search,
-                  ),
-                  ...pendingAdverts.map(
-                    (advert) => _PendingAdvertTile(
-                      advert: advert,
-                      subtitle:
-                          '${l10n.publicKey}: ${advert.shortDisplayKey}\n${l10n.lastSeen}: ${_formatRelativeTime(context, advert.receivedAt)}',
-                      isResolving: _resolvingAdvertKeys.contains(
-                        advert.publicKeyHex,
-                      ),
-                      onResolve: () => _handleResolveAdvert(advert),
-                    ),
-                  ),
-                  const Divider(height: 32),
-                ],
-
                 // Channels (visible in both simple and advanced mode)
                 if (showChannelsSection) ...[
                   _SectionHeader(
@@ -1263,46 +1174,6 @@ enum ContactSortMode { lastSeen, distance }
 
 enum ContactSection { teamMembers, repeaters, rooms, channels }
 
-class _PendingAdvertTile extends StatelessWidget {
-  final PendingAdvert advert;
-  final String subtitle;
-  final bool isResolving;
-  final VoidCallback onResolve;
-
-  const _PendingAdvertTile({
-    required this.advert,
-    required this.subtitle,
-    required this.isResolving,
-    required this.onResolve,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return Card(
-      margin: const EdgeInsets.only(bottom: 8),
-      child: ListTile(
-        leading: const CircleAvatar(child: Icon(Icons.campaign_outlined)),
-        title: Text(
-          advert.shortDisplayKey,
-          style: const TextStyle(fontWeight: FontWeight.bold),
-        ),
-        subtitle: Text(subtitle),
-        trailing: isResolving
-            ? const SizedBox(
-                width: 18,
-                height: 18,
-                child: CircularProgressIndicator(strokeWidth: 2),
-              )
-            : IconButton(
-                icon: const Icon(Icons.person_add_alt_1),
-                tooltip: 'Resolve contact',
-                onPressed: onResolve,
-              ),
-      ),
-    );
-  }
-}
-
 class _RenderedSavedGroup {
   final SavedContactGroup group;
   final List<Contact> contacts;

lib/screens/device_config_screen.dart

@@ -1,8 +1,14 @@
+import 'dart:typed_data';
+
 import 'package:flutter/material.dart';
 import 'package:geolocator/geolocator.dart';
 import 'package:provider/provider.dart';
 import '../models/device_info.dart';
+import '../models/channel.dart';
+import '../models/contact.dart';
+import '../providers/channels_provider.dart';
 import '../providers/connection_provider.dart';
+import '../providers/contacts_provider.dart';
 import '../services/validation_service.dart';
 import '../l10n/app_localizations.dart';
 
@@ -14,6 +20,10 @@ class DeviceConfigScreen extends StatefulWidget {
 }
 
 class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
+  static const int _bulkDeleteBatchSize = 8;
+  static const Duration _bulkDeleteInterItemDelay = Duration(milliseconds: 120);
+  static const Duration _bulkDeleteBatchDelay = Duration(milliseconds: 700);
+  static const Duration _bulkDeleteFinalSyncDelay = Duration(milliseconds: 900);
   static const List<_RadioPreset> _radioPresets = [
     _RadioPreset(
       id: 'australia',
@@ -169,9 +179,12 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
 
   bool _telemetryEnabled = false;
   bool _repeatEnabled = false;
+  bool _autoAddDiscoveredContactsEnabled = true;
   bool _showCustomRadioSettings = false;
   bool _isSavingPublicInfo = false;
   bool _isSavingRadioSettings = false;
+  bool _isClearingContacts = false;
+  bool _isClearingChannels = false;
   bool _publicInfoSaved = false;
   bool _radioSettingsSaved = false;
   String? _publicInfoError;
@@ -252,6 +265,8 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
 
     // Initialize repeat mode from device info (firmware v9+)
     _repeatEnabled = deviceInfo.clientRepeat ?? false;
+    _autoAddDiscoveredContactsEnabled =
+        !(deviceInfo.manualAddContacts ?? false);
 
     // Fetch allowed repeat frequencies on open if device supports repeat mode
     if (deviceInfo.clientRepeat != null &&
@@ -377,7 +392,6 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
 
   Future<void> _savePublicInfo() async {
     final connectionProvider = context.read<ConnectionProvider>();
-    final deviceInfo = connectionProvider.deviceInfo;
     final validator = ValidationService();
 
     setState(() {
@@ -387,6 +401,8 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
     });
 
     try {
+      final manualAddContacts = _autoAddDiscoveredContactsEnabled ? 0 : 1;
+
       // Save name
       if (_nameController.text.isNotEmpty) {
         await connectionProvider.setAdvertName(_nameController.text);
@@ -425,7 +441,7 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
         // Set telemetry modes to "Allow All" (mode 2 for both base and location)
         final telemetryModes = 0x0A; // binary: 00001010 (base=2, location=2)
         await connectionProvider.setOtherParams(
-          manualAddContacts: deviceInfo.manualAddContacts == true ? 1 : 0,
+          manualAddContacts: manualAddContacts,
           telemetryModes: telemetryModes,
           advertLocationPolicy: 1,
         );
@@ -436,7 +452,7 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
         // Set telemetry modes to "Deny" (mode 0)
         final telemetryModes = 0x00;
         await connectionProvider.setOtherParams(
-          manualAddContacts: deviceInfo.manualAddContacts == true ? 1 : 0,
+          manualAddContacts: manualAddContacts,
           telemetryModes: telemetryModes,
           advertLocationPolicy: 0,
         );
@@ -687,6 +703,205 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
     }
   }
 
+  Future<void> _confirmClearAllContacts() async {
+    final contacts = context
+        .read<ContactsProvider>()
+        .contacts
+        .where((contact) => !contact.isChannel)
+        .toList();
+    if (contacts.isEmpty) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('No device contacts to clear.')),
+      );
+      return;
+    }
+
+    final confirmed = await showDialog<bool>(
+      context: context,
+      builder: (dialogContext) => AlertDialog(
+        title: const Text('Clear all contacts'),
+        content: Text(
+          'This will remove ${contacts.length} contact${contacts.length == 1 ? '' : 's'} from the connected device. Channels and radio settings will not be changed.',
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.of(dialogContext).pop(false),
+            child: Text(AppLocalizations.of(context)!.cancel),
+          ),
+          FilledButton(
+            style: FilledButton.styleFrom(
+              backgroundColor: Theme.of(context).colorScheme.error,
+              foregroundColor: Theme.of(context).colorScheme.onError,
+            ),
+            onPressed: () => Navigator.of(dialogContext).pop(true),
+            child: const Text('Clear contacts'),
+          ),
+        ],
+      ),
+    );
+
+    if (confirmed != true || !mounted) return;
+
+    final messenger = ScaffoldMessenger.of(context);
+    final connectionProvider = context.read<ConnectionProvider>();
+    final contactsProvider = context.read<ContactsProvider>();
+    connectionProvider.clearError();
+
+    setState(() {
+      _isClearingContacts = true;
+    });
+
+    try {
+      var processed = 0;
+      for (final contact in List<Contact>.from(contacts)) {
+        await contactsProvider.removeContact(
+          contact.publicKeyHex,
+          onRemoveFromDevice: connectionProvider.removeContact,
+        );
+        processed++;
+        await Future.delayed(_bulkDeleteInterItemDelay);
+        if (processed % _bulkDeleteBatchSize == 0) {
+          await Future.delayed(_bulkDeleteBatchDelay);
+        }
+      }
+
+      // Flush the updated local contact set to storage immediately.
+      await contactsProvider.persistNow();
+      await Future.delayed(_bulkDeleteFinalSyncDelay);
+      await connectionProvider.getContacts();
+      if (connectionProvider.error != null) {
+        throw Exception(connectionProvider.error!);
+      }
+
+      if (!mounted) return;
+      messenger.showSnackBar(
+        SnackBar(
+          content: Text(
+            'Cleared ${contacts.length} contact${contacts.length == 1 ? '' : 's'} from the device.',
+          ),
+        ),
+      );
+    } catch (e) {
+      if (!mounted) return;
+      messenger.showSnackBar(
+        SnackBar(
+          content: Text('Failed to clear contacts: $e'),
+          backgroundColor: Theme.of(context).colorScheme.error,
+        ),
+      );
+    } finally {
+      if (mounted) {
+        setState(() {
+          _isClearingContacts = false;
+        });
+      }
+    }
+  }
+
+  Future<void> _confirmClearAllChannels() async {
+    final channels = context
+        .read<ChannelsProvider>()
+        .channels
+        .where((channel) => !channel.isPublicChannel && channel.name.isNotEmpty)
+        .toList();
+    if (channels.isEmpty) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('No custom channels to clear.')),
+      );
+      return;
+    }
+
+    final confirmed = await showDialog<bool>(
+      context: context,
+      builder: (dialogContext) => AlertDialog(
+        title: const Text('Clear all channels'),
+        content: Text(
+          'This will remove ${channels.length} custom channel${channels.length == 1 ? '' : 's'} from the connected device. Contacts and radio settings will not be changed.',
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.of(dialogContext).pop(false),
+            child: Text(AppLocalizations.of(context)!.cancel),
+          ),
+          FilledButton(
+            style: FilledButton.styleFrom(
+              backgroundColor: Theme.of(context).colorScheme.error,
+              foregroundColor: Theme.of(context).colorScheme.onError,
+            ),
+            onPressed: () => Navigator.of(dialogContext).pop(true),
+            child: const Text('Clear channels'),
+          ),
+        ],
+      ),
+    );
+
+    if (confirmed != true || !mounted) return;
+
+    final messenger = ScaffoldMessenger.of(context);
+    final connectionProvider = context.read<ConnectionProvider>();
+    final channelsProvider = context.read<ChannelsProvider>();
+    final contactsProvider = context.read<ContactsProvider>();
+    connectionProvider.clearError();
+
+    setState(() {
+      _isClearingChannels = true;
+    });
+
+    try {
+      var processed = 0;
+      for (final channel in List<Channel>.from(channels)) {
+        await connectionProvider.deleteChannel(channel.index);
+        processed++;
+        await Future.delayed(_bulkDeleteInterItemDelay);
+        if (processed % _bulkDeleteBatchSize == 0) {
+          await Future.delayed(_bulkDeleteBatchDelay);
+        }
+      }
+
+      // Force local channel/contact cache cleanup before the device resync.
+      for (final channel in channels) {
+        channelsProvider.removeChannel(channel.index);
+        final publicKeyBytes = Uint8List(32);
+        publicKeyBytes[0] = 0xFF;
+        publicKeyBytes[1] = channel.index;
+        final publicKeyHex = publicKeyBytes
+            .map((b) => b.toRadixString(16).padLeft(2, '0'))
+            .join('');
+        await contactsProvider.removeContact(publicKeyHex);
+      }
+
+      await contactsProvider.persistNow();
+      await Future.delayed(_bulkDeleteFinalSyncDelay);
+      await connectionProvider.syncChannels();
+      if (connectionProvider.error != null) {
+        throw Exception(connectionProvider.error!);
+      }
+
+      if (!mounted) return;
+      messenger.showSnackBar(
+        SnackBar(
+          content: Text(
+            'Cleared ${channels.length} custom channel${channels.length == 1 ? '' : 's'} from the device.',
+          ),
+        ),
+      );
+    } catch (e) {
+      if (!mounted) return;
+      messenger.showSnackBar(
+        SnackBar(
+          content: Text('Failed to clear channels: $e'),
+          backgroundColor: Theme.of(context).colorScheme.error,
+        ),
+      );
+    } finally {
+      if (mounted) {
+        setState(() {
+          _isClearingChannels = false;
+        });
+      }
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final deviceInfo = context.watch<ConnectionProvider>().deviceInfo;
@@ -788,6 +1003,28 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                 child: Column(
                   crossAxisAlignment: CrossAxisAlignment.start,
                   children: [
+                    _SettingHighlightCard(
+                      icon: _autoAddDiscoveredContactsEnabled
+                          ? Icons.person_add_alt_1
+                          : Icons.person_add_disabled,
+                      title: 'Auto-add discovered contacts',
+                      description:
+                          'Control whether the device automatically stores newly discovered contacts.',
+                      accentColor: _autoAddDiscoveredContactsEnabled
+                          ? colorScheme.primary
+                          : colorScheme.onSurfaceVariant,
+                      trailing: Switch(
+                        value: _autoAddDiscoveredContactsEnabled,
+                        onChanged: (value) {
+                          setState(() {
+                            _autoAddDiscoveredContactsEnabled = value;
+                            _publicInfoSaved = false;
+                            _publicInfoError = null;
+                          });
+                        },
+                      ),
+                    ),
+                    const SizedBox(height: 18),
                     _SettingHighlightCard(
                       icon: _telemetryEnabled
                           ? Icons.travel_explore
@@ -1230,10 +1467,60 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                       ),
                     ),
                     const SizedBox(height: 16),
+                    SizedBox(
+                      width: double.infinity,
+                      child: OutlinedButton.icon(
+                        onPressed: _isClearingContacts || _isClearingChannels
+                            ? null
+                            : _confirmClearAllContacts,
+                        style: OutlinedButton.styleFrom(
+                          foregroundColor: colorScheme.error,
+                          side: BorderSide(color: colorScheme.error),
+                          minimumSize: const Size.fromHeight(52),
+                        ),
+                        icon: _isClearingContacts
+                            ? const SizedBox(
+                                width: 18,
+                                height: 18,
+                                child: CircularProgressIndicator(
+                                  strokeWidth: 2,
+                                ),
+                              )
+                            : const Icon(Icons.people_alt_outlined),
+                        label: const Text('Clear all contacts'),
+                      ),
+                    ),
+                    const SizedBox(height: 12),
+                    SizedBox(
+                      width: double.infinity,
+                      child: OutlinedButton.icon(
+                        onPressed: _isClearingContacts || _isClearingChannels
+                            ? null
+                            : _confirmClearAllChannels,
+                        style: OutlinedButton.styleFrom(
+                          foregroundColor: colorScheme.error,
+                          side: BorderSide(color: colorScheme.error),
+                          minimumSize: const Size.fromHeight(52),
+                        ),
+                        icon: _isClearingChannels
+                            ? const SizedBox(
+                                width: 18,
+                                height: 18,
+                                child: CircularProgressIndicator(
+                                  strokeWidth: 2,
+                                ),
+                              )
+                            : const Icon(Icons.forum_outlined),
+                        label: const Text('Clear all channels'),
+                      ),
+                    ),
+                    const SizedBox(height: 12),
                     SizedBox(
                       width: double.infinity,
                       child: FilledButton.icon(
-                        onPressed: _confirmFactoryReset,
+                        onPressed: _isClearingContacts || _isClearingChannels
+                            ? null
+                            : _confirmFactoryReset,
                         style: FilledButton.styleFrom(
                           backgroundColor: colorScheme.error,
                           foregroundColor: colorScheme.onError,

lib/screens/discovery_screen.dart

@@ -0,0 +1,231 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import '../l10n/app_localizations.dart';
+import '../models/contact.dart';
+import '../providers/connection_provider.dart';
+import '../providers/contacts_provider.dart';
+import '../services/mesh_map_nodes_service.dart';
+
+class DiscoveryScreen extends StatefulWidget {
+  const DiscoveryScreen({super.key});
+
+  @override
+  State<DiscoveryScreen> createState() => _DiscoveryScreenState();
+}
+
+class _DiscoveryScreenState extends State<DiscoveryScreen> {
+  final Set<String> _resolvingAdvertKeys = <String>{};
+  bool _isResolvingAll = false;
+  late final Future<List<MeshMapNode>> _cachedNodesFuture;
+
+  @override
+  void initState() {
+    super.initState();
+    _cachedNodesFuture = MeshMapNodesService.loadCachedNodes(
+      cacheTtl: MeshMapNodesService.traceCacheTtl,
+    );
+  }
+
+  Future<void> _resolveAdvert(PendingAdvert advert) async {
+    final keyHex = advert.publicKeyHex;
+    if (_resolvingAdvertKeys.contains(keyHex)) return;
+
+    setState(() {
+      _resolvingAdvertKeys.add(keyHex);
+    });
+
+    try {
+      await context.read<ConnectionProvider>().getContact(advert.publicKey);
+    } finally {
+      if (mounted) {
+        setState(() {
+          _resolvingAdvertKeys.remove(keyHex);
+        });
+      }
+    }
+  }
+
+  Future<void> _resolveAll(List<PendingAdvert> adverts) async {
+    if (_isResolvingAll || adverts.isEmpty) return;
+
+    setState(() {
+      _isResolvingAll = true;
+    });
+
+    try {
+      for (final advert in adverts) {
+        if (!mounted) break;
+        await _resolveAdvert(advert);
+      }
+    } finally {
+      if (mounted) {
+        setState(() {
+          _isResolvingAll = false;
+        });
+      }
+    }
+  }
+
+  String _formatRelativeTime(BuildContext context, DateTime when) {
+    final l10n = AppLocalizations.of(context)!;
+    final diff = DateTime.now().difference(when);
+    if (diff.inMinutes < 1) return l10n.justNow;
+    if (diff.inMinutes < 60) return l10n.minutesAgo(diff.inMinutes);
+    if (diff.inHours < 24) return l10n.hoursAgo(diff.inHours);
+    return l10n.daysAgo(diff.inDays);
+  }
+
+  String _displayNameForAdvert(
+    PendingAdvert advert,
+    ContactsProvider contactsProvider,
+    List<MeshMapNode> cachedNodes,
+  ) {
+    Contact? existingMatch;
+    for (final contact in contactsProvider.contacts) {
+      if (contact.publicKeyHex == advert.publicKeyHex) {
+        existingMatch = contact;
+        break;
+      }
+    }
+    if (existingMatch != null && existingMatch.displayName.trim().isNotEmpty) {
+      return existingMatch.displayName;
+    }
+
+    MeshMapNode? cachedMatch;
+    for (final node in cachedNodes) {
+      if (node.publicKey == advert.publicKeyHex.toLowerCase()) {
+        cachedMatch = node;
+        break;
+      }
+    }
+    if (cachedMatch != null && cachedMatch.name.trim().isNotEmpty) {
+      return cachedMatch.name;
+    }
+
+    return advert.shortDisplayKey;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = AppLocalizations.of(context)!;
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Discovery')),
+      body: FutureBuilder<List<MeshMapNode>>(
+        future: _cachedNodesFuture,
+        builder: (context, nodesSnapshot) =>
+            Consumer2<ContactsProvider, ConnectionProvider>(
+              builder: (context, contactsProvider, connectionProvider, child) {
+                final pendingAdverts = contactsProvider.pendingAdverts;
+                final isConnected = connectionProvider.deviceInfo.isConnected;
+                final cachedNodes = nodesSnapshot.data ?? const <MeshMapNode>[];
+
+                if (pendingAdverts.isEmpty) {
+                  return Center(
+                    child: Padding(
+                      padding: const EdgeInsets.all(24),
+                      child: Column(
+                        mainAxisAlignment: MainAxisAlignment.center,
+                        children: [
+                          Icon(
+                            Icons.person_search_outlined,
+                            size: 64,
+                            color: Theme.of(context).disabledColor,
+                          ),
+                          const SizedBox(height: 16),
+                          Text(
+                            'No pending discoveries',
+                            style: Theme.of(context).textTheme.titleLarge,
+                          ),
+                          const SizedBox(height: 8),
+                          Text(
+                            'Unknown adverts will appear here until you choose to resolve them.',
+                            textAlign: TextAlign.center,
+                            style: Theme.of(context).textTheme.bodyMedium,
+                          ),
+                        ],
+                      ),
+                    ),
+                  );
+                }
+
+                return ListView(
+                  padding: const EdgeInsets.all(16),
+                  children: [
+                    Card(
+                      child: ListTile(
+                        leading: const Icon(Icons.person_search),
+                        title: Text(
+                          'Pending discoveries (${pendingAdverts.length})',
+                        ),
+                        subtitle: const Text(
+                          'Resolve entries manually so they do not auto-populate contacts.',
+                        ),
+                        trailing: FilledButton.icon(
+                          onPressed: isConnected && !_isResolvingAll
+                              ? () => _resolveAll(pendingAdverts)
+                              : null,
+                          icon: _isResolvingAll
+                              ? const SizedBox(
+                                  width: 16,
+                                  height: 16,
+                                  child: CircularProgressIndicator(
+                                    strokeWidth: 2,
+                                  ),
+                                )
+                              : const Icon(Icons.download_for_offline_outlined),
+                          label: const Text('Resolve all'),
+                        ),
+                      ),
+                    ),
+                    const SizedBox(height: 12),
+                    ...pendingAdverts.map((advert) {
+                      final isResolving = _resolvingAdvertKeys.contains(
+                        advert.publicKeyHex,
+                      );
+                      final displayName = _displayNameForAdvert(
+                        advert,
+                        contactsProvider,
+                        cachedNodes,
+                      );
+                      return Card(
+                        margin: const EdgeInsets.only(bottom: 8),
+                        child: ListTile(
+                          leading: const CircleAvatar(
+                            child: Icon(Icons.campaign_outlined),
+                          ),
+                          title: Text(
+                            displayName,
+                            style: const TextStyle(fontWeight: FontWeight.bold),
+                          ),
+                          subtitle: Text(
+                            '${l10n.publicKey}: ${advert.shortDisplayKey}\n'
+                            '${l10n.lastSeen}: ${_formatRelativeTime(context, advert.receivedAt)}',
+                          ),
+                          trailing: isResolving
+                              ? const SizedBox(
+                                  width: 18,
+                                  height: 18,
+                                  child: CircularProgressIndicator(
+                                    strokeWidth: 2,
+                                  ),
+                                )
+                              : IconButton(
+                                  icon: const Icon(Icons.person_add_alt_1),
+                                  tooltip: 'Resolve contact',
+                                  onPressed: isConnected
+                                      ? () => _resolveAdvert(advert)
+                                      : null,
+                                ),
+                        ),
+                      );
+                    }),
+                  ],
+                );
+              },
+            ),
+      ),
+    );
+  }
+}

lib/screens/home_screen.dart

@@ -12,6 +12,7 @@ import '../providers/contacts_provider.dart';
 import '../theme/app_theme.dart';
 import 'messages_tab.dart';
 import 'contacts_tab.dart';
+import 'discovery_screen.dart';
 import 'sensors_tab.dart';
 import 'map_tab.dart';
 import 'repeaters_map_screen.dart';
@@ -712,6 +713,39 @@ class _HomeScreenState extends State<HomeScreen>
                       ),
                     );
 
+                    items.add(
+                      PopupMenuItem(
+                        child: Row(
+                          children: [
+                            const Icon(Icons.person_search),
+                            const SizedBox(width: 8),
+                            Consumer<ContactsProvider>(
+                              builder: (context, contactsProvider, child) {
+                                final pendingCount =
+                                    contactsProvider.pendingAdverts.length;
+                                return Text(
+                                  pendingCount > 0
+                                      ? 'Discovery ($pendingCount)'
+                                      : 'Discovery',
+                                );
+                              },
+                            ),
+                          ],
+                        ),
+                        onTap: () {
+                          final navigator = Navigator.of(context);
+                          Future.delayed(Duration.zero, () {
+                            if (!mounted) return;
+                            navigator.push(
+                              MaterialPageRoute(
+                                builder: (context) => const DiscoveryScreen(),
+                              ),
+                            );
+                          });
+                        },
+                      ),
+                    );
+
                     items.add(
                       PopupMenuItem(
                         child: Row(

lib/screens/messages_tab.dart

@@ -163,9 +163,13 @@ class _MessagesTabState extends State<MessagesTab> {
 
   void _scrollToMessage(String messageId) {
     final messagesProvider = context.read<MessagesProvider>();
-    final messages = _getFilteredMessages(messagesProvider);
+    final messages = messagesProvider.buildDisplayMessages(
+      _getFilteredMessages(messagesProvider),
+    );
 
-    final messageIndex = messages.indexWhere((m) => m.id == messageId);
+    final messageIndex = messages.indexWhere(
+      (entry) => entry.message.id == messageId,
+    );
 
     if (messageIndex != -1 && _scrollController.hasClients) {
       // Calculate position - accounting for reverse list
@@ -2019,7 +2023,9 @@ class _MessagesTabState extends State<MessagesTab> {
     return Consumer<MessagesProvider>(
       builder: (context, messagesProvider, child) {
         _syncChannelAutoReadTimer(messagesProvider);
-        final messages = _getFilteredMessages(messagesProvider);
+        final messages = messagesProvider.buildDisplayMessages(
+          _getFilteredMessages(messagesProvider),
+        );
         final bottomInset = MediaQuery.of(context).viewPadding.bottom;
         final composerBottomPadding = bottomInset > 0 ? 2.0 : 10.0;
 

lib/screens/packet_log_screen.dart

@@ -777,13 +777,7 @@ class _DecodedRouteSection extends StatelessWidget {
               ),
             )
             .toList();
-        final originalSender = resolvedPath.isEmpty ? null : resolvedPath.first;
-
-        return _RouteSection(
-          route: decodedRoute,
-          path: resolvedPath,
-          originalSender: originalSender,
-        );
+        return _RouteSection(route: decodedRoute, path: resolvedPath);
       },
     );
   }
@@ -827,13 +821,8 @@ class _DecodedRouteSection extends StatelessWidget {
 class _RouteSection extends StatelessWidget {
   final DecodedLogRxRoute route;
   final List<ResolvedNodeHash> path;
-  final ResolvedNodeHash? originalSender;
 
-  const _RouteSection({
-    required this.route,
-    required this.path,
-    required this.originalSender,
-  });
+  const _RouteSection({required this.route, required this.path});
 
   @override
   Widget build(BuildContext context) {
@@ -879,12 +868,6 @@ class _RouteSection extends StatelessWidget {
                 value:
                     '${route.hashSize} byte${route.hashSize == 1 ? '' : 's'}',
               ),
-              if (originalSender != null)
-                _FactCard(
-                  icon: Icons.person_pin_circle,
-                  label: 'Original sender',
-                  value: _nodeLabel(originalSender!),
-                ),
             ],
           ),
           const SizedBox(height: 12),

lib/screens/settings_screen.dart

@@ -1130,19 +1130,6 @@ class _SettingsScreenState extends State<SettingsScreen> {
 
           _buildSectionHeader('Messaging'),
           _buildSettingsCard([
-            Consumer<AppProvider>(
-              builder: (context, appProvider, child) => SwitchListTile(
-                secondary: const Icon(Icons.person_add_alt_1),
-                title: const Text('Auto-add discovered contacts'),
-                subtitle: const Text(
-                  'Automatically fetch and add new contacts when they are discovered',
-                ),
-                value: appProvider.autoAddDiscoveredContacts,
-                onChanged: (value) async {
-                  await appProvider.toggleAutoAddDiscoveredContacts(value);
-                },
-              ),
-            ),
             ListTile(
               leading: const Icon(Icons.alt_route),
               title: const Text('Route path byte size'),

lib/services/contact_storage_service.dart

@@ -10,7 +10,9 @@ import 'package:latlong2/latlong.dart';
 class ContactStorageService {
   static const String _contactsKey = 'stored_contacts';
   static const String _contactGroupsKey = 'stored_contact_groups';
+  static const String _pendingAdvertsKey = 'stored_pending_adverts';
   static const int _maxStoredContacts = 500; // Store up to 500 contacts
+  static const int _maxStoredPendingAdverts = 500;
 
   /// Save contacts to persistent storage
   Future<void> saveContacts(List<Contact> contacts) async {
@@ -126,6 +128,47 @@ class ContactStorageService {
     }
   }
 
+  Future<void> savePendingAdverts(List<Map<String, dynamic>> adverts) async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final limitedList = adverts.length > _maxStoredPendingAdverts
+          ? adverts.sublist(adverts.length - _maxStoredPendingAdverts)
+          : adverts;
+      await prefs.setString(_pendingAdvertsKey, jsonEncode(limitedList));
+      debugPrint(
+        '✅ [ContactStorage] Saved ${limitedList.length} pending adverts to storage',
+      );
+    } catch (e) {
+      debugPrint('❌ [ContactStorage] Error saving pending adverts: $e');
+    }
+  }
+
+  Future<List<Map<String, dynamic>>> loadPendingAdverts() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final jsonString = prefs.getString(_pendingAdvertsKey);
+      if (jsonString == null || jsonString.isEmpty) {
+        return const [];
+      }
+
+      final jsonList = jsonDecode(jsonString) as List<dynamic>;
+      return jsonList.whereType<Map<String, dynamic>>().toList();
+    } catch (e) {
+      debugPrint('❌ [ContactStorage] Error loading pending adverts: $e');
+      return const [];
+    }
+  }
+
+  Future<void> clearPendingAdverts() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      await prefs.remove(_pendingAdvertsKey);
+      debugPrint('✅ [ContactStorage] Cleared all stored pending adverts');
+    } catch (e) {
+      debugPrint('❌ [ContactStorage] Error clearing pending adverts: $e');
+    }
+  }
+
   /// Get storage statistics
   Future<Map<String, dynamic>> getStorageStats() async {
     try {

lib/services/notification_service.dart

@@ -31,6 +31,8 @@ class NotificationService {
   static const int _sarNotificationId = 1000;
   static const int _messageNotificationId = 2000;
   static const int _updateNotificationId = 3000;
+  static const int _batteryNotificationId = 4000;
+  static const int _discoveryNotificationId = 5000;
 
   // Notification channels
   static const String _urgentChannelId = 'sar_urgent';
@@ -48,6 +50,16 @@ class NotificationService {
   static const String _updateChannelDescription =
       'Notifications for available app updates';
 
+  static const String _batteryChannelId = 'battery_alerts';
+  static const String _batteryChannelName = 'Battery Alerts';
+  static const String _batteryChannelDescription =
+      'Notifications when a device or contact battery is low';
+
+  static const String _discoveryChannelId = 'discovery_alerts';
+  static const String _discoveryChannelName = 'Discovery Alerts';
+  static const String _discoveryChannelDescription =
+      'Notifications when new contacts are discovered';
+
   bool get messageNotificationsEnabled => _messageNotificationsEnabled;
   bool get sarNotificationsEnabled => _sarNotificationsEnabled;
   bool get updateNotificationsEnabled => _updateNotificationsEnabled;
@@ -237,9 +249,31 @@ class NotificationService {
         showBadge: true,
       );
 
+      const batteryChannel = AndroidNotificationChannel(
+        _batteryChannelId,
+        _batteryChannelName,
+        description: _batteryChannelDescription,
+        importance: Importance.high,
+        playSound: true,
+        enableVibration: true,
+        showBadge: true,
+      );
+
+      const discoveryChannel = AndroidNotificationChannel(
+        _discoveryChannelId,
+        _discoveryChannelName,
+        description: _discoveryChannelDescription,
+        importance: Importance.high,
+        playSound: true,
+        enableVibration: true,
+        showBadge: true,
+      );
+
       await androidPlugin.createNotificationChannel(urgentChannel);
       await androidPlugin.createNotificationChannel(messagesChannel);
       await androidPlugin.createNotificationChannel(updateChannel);
+      await androidPlugin.createNotificationChannel(batteryChannel);
+      await androidPlugin.createNotificationChannel(discoveryChannel);
       debugPrint('✅ [NotificationService] Created notification channels');
     } catch (e) {
       debugPrint('⚠️ [NotificationService] Error creating channels: $e');
@@ -707,6 +741,156 @@ class NotificationService {
       );
     }
   }
+
+  Future<bool> showLowBatteryNotification({
+    required String nodeId,
+    required String nodeName,
+    required double batteryPercent,
+    required bool isCurrentDevice,
+  }) async {
+    if (!_isInitialized) {
+      debugPrint(
+        '⚠️ [NotificationService] Not initialized, skipping notification',
+      );
+      return false;
+    }
+
+    if (!_permissionGranted) {
+      debugPrint(
+        '⚠️ [NotificationService] Permission not granted, skipping notification',
+      );
+      return false;
+    }
+    if (!_messageNotificationsEnabled) {
+      debugPrint('ℹ️ [NotificationService] Message notifications disabled');
+      return false;
+    }
+    if (_shouldSuppressForegroundNotifications()) {
+      debugPrint(
+        'ℹ️ [NotificationService] App in foreground, skipping low battery notification',
+      );
+      return false;
+    }
+
+    final roundedPercent = batteryPercent.round().clamp(0, 100);
+    final title = isCurrentDevice
+        ? 'Device battery low'
+        : 'Contact battery low';
+    final body = isCurrentDevice
+        ? '$nodeName battery is at $roundedPercent%.'
+        : '$nodeName is at $roundedPercent% battery.';
+    final notificationId =
+        _batteryNotificationId + ((nodeId.hashCode & 0x7fffffff) % 1000);
+
+    try {
+      final androidDetails = AndroidNotificationDetails(
+        _batteryChannelId,
+        _batteryChannelName,
+        channelDescription: _batteryChannelDescription,
+        importance: Importance.high,
+        priority: Priority.high,
+        ticker: title,
+        playSound: true,
+        enableVibration: true,
+        showWhen: true,
+        when: DateTime.now().millisecondsSinceEpoch,
+        styleInformation: BigTextStyleInformation(
+          body,
+          contentTitle: title,
+          summaryText: '$roundedPercent%',
+        ),
+      );
+
+      final darwinDetails = DarwinNotificationDetails(
+        presentAlert: true,
+        presentBadge: true,
+        presentSound: true,
+        sound: 'default',
+        threadIdentifier: 'battery_alerts',
+        subtitle: '$roundedPercent%',
+      );
+
+      final notificationDetails = NotificationDetails(
+        android: androidDetails,
+        iOS: darwinDetails,
+      );
+
+      await _notificationsPlugin.show(
+        id: notificationId,
+        title: title,
+        body: body,
+        notificationDetails: notificationDetails,
+        payload: 'battery:$nodeId',
+      );
+
+      debugPrint(
+        '✅ [NotificationService] Showed low battery notification for $nodeName ($roundedPercent%)',
+      );
+      return true;
+    } catch (e) {
+      debugPrint(
+        '❌ [NotificationService] Error showing low battery notification: $e',
+      );
+      return false;
+    }
+  }
+
+  Future<bool> showContactDiscoveredNotification({
+    required String contactKey,
+  }) async {
+    if (!_isInitialized) return false;
+    if (!_permissionGranted) return false;
+    if (!_messageNotificationsEnabled) return false;
+    if (_shouldSuppressForegroundNotifications()) return false;
+
+    final shortKey = contactKey.length > 12
+        ? contactKey.substring(0, 12).toUpperCase()
+        : contactKey.toUpperCase();
+    final title = 'New contact discovered';
+    final body = 'New contact $shortKey is available in Discovery.';
+    final notificationId =
+        _discoveryNotificationId + ((contactKey.hashCode & 0x7fffffff) % 1000);
+
+    try {
+      final androidDetails = AndroidNotificationDetails(
+        _discoveryChannelId,
+        _discoveryChannelName,
+        channelDescription: _discoveryChannelDescription,
+        importance: Importance.high,
+        priority: Priority.high,
+        ticker: title,
+        playSound: true,
+        enableVibration: true,
+        showWhen: true,
+        when: DateTime.now().millisecondsSinceEpoch,
+      );
+
+      final darwinDetails = DarwinNotificationDetails(
+        presentAlert: true,
+        presentBadge: true,
+        presentSound: true,
+        sound: 'default',
+        threadIdentifier: 'discovery_alerts',
+      );
+
+      await _notificationsPlugin.show(
+        id: notificationId,
+        title: title,
+        body: body,
+        notificationDetails: NotificationDetails(
+          android: androidDetails,
+          iOS: darwinDetails,
+        ),
+        payload: 'discovery:$contactKey',
+      );
+      return true;
+    } catch (e) {
+      debugPrint(
+        '❌ [NotificationService] Error showing discovery notification: $e',
+      );
+      return false;
+    }
+  }
 }
 
 class _LifecycleObserver with WidgetsBindingObserver {

lib/widgets/contacts/contact_route_dialog.dart

@@ -1,16 +1,17 @@
+import 'dart:math' as math;
+
 import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart' as flutter_map;
 import 'package:latlong2/latlong.dart';
 import 'package:provider/provider.dart';
-import 'dart:math' as math;
 
 import '../../models/contact.dart';
-import '../../providers/connection_provider.dart';
+import '../../models/path_history.dart';
 import '../../providers/app_provider.dart';
+import '../../providers/connection_provider.dart';
 import '../../services/contact_route_resolver.dart';
 import '../../services/path_history_service.dart';
 import '../../services/route_hash_preferences.dart';
-import '../../models/path_history.dart';
 
 class ContactRouteDialogResult {
   final ParsedContactRoute? route;
@@ -53,19 +54,11 @@ class ContactRouteDialog extends StatefulWidget {
     required Contact contact,
     required List<Contact> availableContacts,
   }) {
-    return showModalBottomSheet<ContactRouteDialogResult>(
-      context: context,
-      isScrollControlled: true,
-      showDragHandle: true,
-      builder: (context) => SafeArea(
-        child: Padding(
-          padding: EdgeInsets.only(
-            bottom: MediaQuery.of(context).viewInsets.bottom,
-          ),
-          child: ContactRouteDialog(
-            contact: contact,
-            availableContacts: availableContacts,
-          ),
+    return Navigator.of(context).push<ContactRouteDialogResult>(
+      MaterialPageRoute(
+        builder: (context) => ContactRouteDialog(
+          contact: contact,
+          availableContacts: availableContacts,
         ),
       ),
     );
@@ -77,14 +70,15 @@ class ContactRouteDialog extends StatefulWidget {
 
 class _ContactRouteDialogState extends State<ContactRouteDialog> {
   late final TextEditingController _controller;
+  late final TextEditingController _relaySearchController;
   final PathHistoryService _pathHistoryService = PathHistoryService();
   int _selectedHashSize = RouteHashPreferences.defaultHashSize;
   ParsedContactRoute? _parsedRoute;
   String? _errorText;
   bool _showRoutingInfo = false;
+  bool _showManualEditor = false;
   List<Contact> _selectedMapHops = const [];
   ContactPathHistory? _pathHistory;
-  _RouteEntryMode _entryMode = _RouteEntryMode.map;
 
   @override
   void initState() {
@@ -92,10 +86,9 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
     _controller = TextEditingController(
       text: widget.contact.routeCanonicalText,
     );
+    _relaySearchController = TextEditingController();
     _controller.addListener(_reparse);
-    _entryMode = widget.contact.routeCanonicalText.isNotEmpty
-        ? _RouteEntryMode.manual
-        : _RouteEntryMode.map;
+    _showManualEditor = widget.contact.routeCanonicalText.isNotEmpty;
     _loadHashSizePreference();
     _loadPathHistory();
     _reparse();
@@ -103,6 +96,7 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
 
   @override
   void dispose() {
+    _relaySearchController.dispose();
     _controller
       ..removeListener(_reparse)
       ..dispose();
@@ -231,7 +225,7 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
         TextPosition(offset: _controller.text.length),
       );
       _errorText = null;
-      _entryMode = _RouteEntryMode.map;
+      _showManualEditor = false;
     });
     _reparse();
   }
@@ -247,7 +241,7 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
         TextPosition(offset: _controller.text.length),
       );
       _errorText = null;
-      _entryMode = _RouteEntryMode.manual;
+      _showManualEditor = true;
     });
     _reparse();
   }
@@ -416,30 +410,279 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
   }
 
   Widget _buildPreviewSection() {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Container(
+      width: double.infinity,
+      padding: const EdgeInsets.all(14),
+      decoration: BoxDecoration(
+        color: colorScheme.surfaceContainerHighest.withValues(alpha: 0.5),
+        borderRadius: BorderRadius.circular(16),
+        border: Border.all(color: colorScheme.outlineVariant),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            _parsedRoute == null ? 'Route preview' : _parsedRoute!.summary,
+            style: Theme.of(context).textTheme.titleSmall,
+          ),
+          const SizedBox(height: 4),
+          Text(
+            _parsedRoute == null
+                ? 'Pick relays from the list below or open manual edit if you need exact hop tokens.'
+                : '${_parsedRoute!.byteLength} bytes • descriptor 0x${_parsedRoute!.encodedPathLen.toRadixString(16).padLeft(2, '0').toUpperCase()}',
+            style: Theme.of(context).textTheme.bodySmall,
+          ),
+          if (_parsedRoute != null) ...[
+            const SizedBox(height: 10),
+            SelectableText(
+              _parsedRoute!.canonicalText,
+              style: Theme.of(
+                context,
+              ).textTheme.bodyMedium?.copyWith(fontFamily: 'monospace'),
+            ),
+          ],
+        ],
+      ),
+    );
+  }
+
+  Widget _buildSelectedHopSection() {
+    if (_selectedMapHops.isEmpty) {
+      return Container(
+        width: double.infinity,
+        padding: const EdgeInsets.all(14),
+        decoration: BoxDecoration(
+          borderRadius: BorderRadius.circular(16),
+          border: Border.all(color: Theme.of(context).dividerColor),
+        ),
+        child: Text(
+          'No relays selected yet. Add repeaters below or let auto resolve build a route.',
+          style: Theme.of(context).textTheme.bodyMedium,
+        ),
+      );
+    }
+
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        Text(
-          _parsedRoute == null
-              ? 'Preview: enter or pick a route to validate it.'
-              : 'Preview: ${_parsedRoute!.summary} • ${_parsedRoute!.byteLength} bytes • descriptor 0x${_parsedRoute!.encodedPathLen.toRadixString(16).padLeft(2, '0').toUpperCase()}',
-          style: Theme.of(context).textTheme.bodySmall,
-        ),
-        if (_parsedRoute != null) ...[
-          const SizedBox(height: 4),
-          SelectableText(
-            _parsedRoute!.canonicalText,
-            style: Theme.of(
-              context,
-            ).textTheme.bodyMedium?.copyWith(fontFamily: 'monospace'),
-          ),
-        ],
+        Text('Selected relays', style: Theme.of(context).textTheme.titleSmall),
+        const SizedBox(height: 8),
+        ..._selectedMapHops.asMap().entries.map((entry) {
+          final index = entry.key;
+          final contact = entry.value;
+          return Card(
+            margin: const EdgeInsets.only(bottom: 8),
+            child: ListTile(
+              leading: CircleAvatar(child: Text('${index + 1}')),
+              title: Text(contact.displayName),
+              subtitle: Text(
+                _tokenFor(contact, _selectedHashSize),
+                style: Theme.of(
+                  context,
+                ).textTheme.bodySmall?.copyWith(fontFamily: 'monospace'),
+              ),
+              trailing: IconButton(
+                tooltip: 'Remove relay',
+                onPressed: () => _toggleHop(contact),
+                icon: const Icon(Icons.close),
+              ),
+            ),
+          );
+        }),
       ],
     );
   }
 
-  Widget _buildBuilderTab(
-    BuildContext context, {
+  Widget _buildRelayPicker(List<Contact> routeCandidates) {
+    final query = _relaySearchController.text.trim().toLowerCase();
+    final filteredCandidates = routeCandidates.where((contact) {
+      if (query.isEmpty) return true;
+      return contact.displayName.toLowerCase().contains(query) ||
+          _tokenFor(contact, _selectedHashSize).toLowerCase().contains(query);
+    }).toList();
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        TextField(
+          controller: _relaySearchController,
+          onChanged: (_) => setState(() {}),
+          decoration: const InputDecoration(
+            prefixIcon: Icon(Icons.search),
+            labelText: 'Find relay',
+            hintText: 'Search by name or token',
+            border: OutlineInputBorder(),
+          ),
+        ),
+        const SizedBox(height: 12),
+        if (filteredCandidates.isEmpty)
+          Container(
+            width: double.infinity,
+            padding: const EdgeInsets.all(14),
+            decoration: BoxDecoration(
+              borderRadius: BorderRadius.circular(16),
+              border: Border.all(color: Theme.of(context).dividerColor),
+            ),
+            child: Text(
+              'No visible relays match this search.',
+              style: Theme.of(context).textTheme.bodyMedium,
+            ),
+          )
+        else
+          ...filteredCandidates.map((candidate) {
+            final isSelected = _selectedMapHops.any(
+              (item) => item.publicKeyHex == candidate.publicKeyHex,
+            );
+            final location = candidate.displayLocation;
+            return Card(
+              margin: const EdgeInsets.only(bottom: 8),
+              child: ListTile(
+                leading: Icon(
+                  isSelected
+                      ? Icons.check_circle
+                      : Icons.radio_button_unchecked,
+                  color: isSelected
+                      ? Theme.of(context).colorScheme.primary
+                      : null,
+                ),
+                title: Text(candidate.displayName),
+                subtitle: Text(
+                  [
+                    _tokenFor(candidate, _selectedHashSize),
+                    if (location != null)
+                      '${location.latitude.toStringAsFixed(4)}, ${location.longitude.toStringAsFixed(4)}',
+                  ].join(' • '),
+                  style: Theme.of(
+                    context,
+                  ).textTheme.bodySmall?.copyWith(fontFamily: 'monospace'),
+                ),
+                trailing: TextButton(
+                  onPressed: () => _toggleHop(candidate),
+                  child: Text(isSelected ? 'Remove' : 'Add'),
+                ),
+              ),
+            );
+          }),
+      ],
+    );
+  }
+
+  Widget _buildManualEditor() {
+    return ExpansionTile(
+      tilePadding: EdgeInsets.zero,
+      childrenPadding: EdgeInsets.zero,
+      initiallyExpanded: _showManualEditor,
+      onExpansionChanged: (expanded) {
+        setState(() {
+          _showManualEditor = expanded;
+        });
+      },
+      title: const Text('Manual route edit'),
+      subtitle: const Text(
+        'Use this when you need to paste or tweak hop tokens directly.',
+      ),
+      children: [
+        TextField(
+          controller: _controller,
+          textCapitalization: TextCapitalization.characters,
+          decoration: InputDecoration(
+            labelText: 'Route',
+            hintText: _selectedHashSize == 1
+                ? 'AA,BB,CC'
+                : _selectedHashSize == 2
+                ? 'AABB,CCDD'
+                : 'AABBCC,DDEEFF',
+            helperText:
+                'Comma-separated hops. Hash size follows global Settings. Colon form like AA:BB is also accepted.',
+            errorText: _errorText,
+            border: const OutlineInputBorder(),
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildMapPreview({
+    required List<Contact> routeCandidates,
+    required List<LatLng> mapPoints,
+    required List<LatLng> routePoints,
+  }) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Container(
+      decoration: BoxDecoration(
+        borderRadius: BorderRadius.circular(16),
+        border: Border.all(color: colorScheme.outlineVariant),
+      ),
+      clipBehavior: Clip.antiAlias,
+      child: SizedBox(
+        height: 220,
+        child: mapPoints.length < 2
+            ? const Center(
+                child: Padding(
+                  padding: EdgeInsets.all(16),
+                  child: Text(
+                    'Map preview needs your advertised location, the contact location, and visible repeater locations.',
+                    textAlign: TextAlign.center,
+                  ),
+                ),
+              )
+            : flutter_map.FlutterMap(
+                options: flutter_map.MapOptions(
+                  initialCameraFit: flutter_map.CameraFit.bounds(
+                    bounds: flutter_map.LatLngBounds.fromPoints(mapPoints),
+                    padding: const EdgeInsets.all(32),
+                  ),
+                ),
+                children: [
+                  flutter_map.TileLayer(
+                    urlTemplate:
+                        'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
+                    userAgentPackageName: 'com.meshcore.sar',
+                  ),
+                  if (routePoints.length >= 2)
+                    flutter_map.PolylineLayer(
+                      polylines: [
+                        flutter_map.Polyline(
+                          points: routePoints,
+                          strokeWidth: 4,
+                          color: colorScheme.primary,
+                        ),
+                      ],
+                    ),
+                  flutter_map.MarkerLayer(
+                    markers: [
+                      ...routeCandidates.map((candidate) {
+                        final isSelected = _selectedMapHops.any(
+                          (item) => item.publicKeyHex == candidate.publicKeyHex,
+                        );
+                        return flutter_map.Marker(
+                          point: LatLng(
+                            candidate.displayLocation!.latitude,
+                            candidate.displayLocation!.longitude,
+                          ),
+                          width: 64,
+                          height: 70,
+                          child: GestureDetector(
+                            onTap: () => _toggleHop(candidate),
+                            child: _RouteMarkerDot(
+                              label: _tokenFor(candidate, _selectedHashSize),
+                              color: isSelected
+                                  ? colorScheme.primary
+                                  : Colors.blueGrey,
+                            ),
+                          ),
+                        );
+                      }),
+                    ],
+                  ),
+                ],
+              ),
+      ),
+    );
+  }
+
+  Widget _buildBuilderTab({
     required List<Contact> routeCandidates,
     required List<LatLng> mapPoints,
     required List<LatLng> routePoints,
@@ -447,174 +690,43 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        SegmentedButton<_RouteEntryMode>(
-          segments: const [
-            ButtonSegment<_RouteEntryMode>(
-              value: _RouteEntryMode.map,
-              icon: Icon(Icons.map_outlined),
-              label: Text('Map'),
+        Wrap(
+          spacing: 8,
+          runSpacing: 8,
+          children: [
+            FilledButton.tonalIcon(
+              onPressed: _resolvePathAutomatically,
+              icon: const Icon(Icons.auto_fix_high),
+              label: const Text('Auto resolve'),
             ),
-            ButtonSegment<_RouteEntryMode>(
-              value: _RouteEntryMode.manual,
-              icon: Icon(Icons.tune),
-              label: Text('Manual'),
+            OutlinedButton.icon(
+              onPressed: _selectedMapHops.isEmpty
+                  ? null
+                  : () {
+                      setState(() {
+                        _selectedMapHops = const [];
+                        _syncControllerFromSelectedHops();
+                      });
+                    },
+              icon: const Icon(Icons.clear_all),
+              label: const Text('Clear relays'),
             ),
           ],
-          selected: {_entryMode},
-          onSelectionChanged: (selection) {
-            setState(() {
-              _entryMode = selection.first;
-            });
-          },
         ),
         const SizedBox(height: 16),
-        if (_entryMode == _RouteEntryMode.manual) ...[
-          TextField(
-            controller: _controller,
-            textCapitalization: TextCapitalization.characters,
-            decoration: InputDecoration(
-              labelText: 'Route',
-              hintText: _selectedHashSize == 1
-                  ? 'AA,BB,CC'
-                  : _selectedHashSize == 2
-                  ? 'AABB,CCDD'
-                  : 'AABBCC,DDEEFF',
-              helperText:
-                  'Enter comma-separated hops. Path byte size comes from global Settings. Colon form like AA:BB is also accepted.',
-              errorText: _errorText,
-              border: const OutlineInputBorder(),
-            ),
-          ),
-          const SizedBox(height: 12),
-          _buildPreviewSection(),
-        ] else ...[
-          Wrap(
-            spacing: 8,
-            runSpacing: 8,
-            crossAxisAlignment: WrapCrossAlignment.center,
-            children: [
-              OutlinedButton.icon(
-                onPressed: _resolvePathAutomatically,
-                icon: const Icon(Icons.auto_fix_high),
-                label: const Text('Resolve Path'),
-              ),
-              ConstrainedBox(
-                constraints: const BoxConstraints(maxWidth: 280),
-                child: Text(
-                  'Tap repeaters on the map to build the path, then review the generated route below.',
-                  style: Theme.of(context).textTheme.bodySmall,
-                ),
-              ),
-            ],
-          ),
-          const SizedBox(height: 16),
-          SizedBox(
-            height: 260,
-            child: ClipRRect(
-              borderRadius: BorderRadius.circular(12),
-              child: DecoratedBox(
-                decoration: BoxDecoration(
-                  border: Border.all(color: Theme.of(context).dividerColor),
-                ),
-                child: mapPoints.length < 2
-                    ? const Center(
-                        child: Padding(
-                          padding: EdgeInsets.all(16),
-                          child: Text(
-                            'Map path builder needs your advertised location, the contact location, and visible repeater locations.',
-                            textAlign: TextAlign.center,
-                          ),
-                        ),
-                      )
-                    : flutter_map.FlutterMap(
-                        options: flutter_map.MapOptions(
-                          initialCameraFit: flutter_map.CameraFit.bounds(
-                            bounds: flutter_map.LatLngBounds.fromPoints(
-                              mapPoints,
-                            ),
-                            padding: const EdgeInsets.all(32),
-                          ),
-                        ),
-                        children: [
-                          flutter_map.TileLayer(
-                            urlTemplate:
-                                'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
-                            userAgentPackageName: 'com.meshcore.sar',
-                          ),
-                          if (routePoints.length >= 2)
-                            flutter_map.PolylineLayer(
-                              polylines: [
-                                flutter_map.Polyline(
-                                  points: routePoints,
-                                  strokeWidth: 4,
-                                  color: Theme.of(context).colorScheme.primary,
-                                ),
-                              ],
-                            ),
-                          flutter_map.MarkerLayer(
-                            markers: [
-                              ...routeCandidates.map((candidate) {
-                                final isSelected = _selectedMapHops.any(
-                                  (item) =>
-                                      item.publicKeyHex ==
-                                      candidate.publicKeyHex,
-                                );
-                                return flutter_map.Marker(
-                                  point: LatLng(
-                                    candidate.displayLocation!.latitude,
-                                    candidate.displayLocation!.longitude,
-                                  ),
-                                  width: 64,
-                                  height: 70,
-                                  child: GestureDetector(
-                                    onTap: () => _toggleHop(candidate),
-                                    child: _RouteMarkerDot(
-                                      label: _tokenFor(
-                                        candidate,
-                                        _selectedHashSize,
-                                      ),
-                                      color: isSelected
-                                          ? Theme.of(
-                                              context,
-                                            ).colorScheme.primary
-                                          : Colors.blueGrey,
-                                    ),
-                                  ),
-                                );
-                              }),
-                            ],
-                          ),
-                        ],
-                      ),
-              ),
-            ),
-          ),
-          const SizedBox(height: 12),
-          if (_selectedMapHops.isNotEmpty)
-            Wrap(
-              spacing: 8,
-              runSpacing: 8,
-              children: _selectedMapHops.map((contact) {
-                return InputChip(
-                  label: Text(contact.displayName),
-                  onDeleted: () => _toggleHop(contact),
-                );
-              }).toList(),
-            ),
-          const SizedBox(height: 12),
-          TextField(
-            controller: _controller,
-            readOnly: true,
-            decoration: InputDecoration(
-              labelText: 'Generated route',
-              helperText: 'Switch to Manual if you want to edit the hop list.',
-              errorText: _errorText,
-              border: const OutlineInputBorder(),
-            ),
-          ),
-          const SizedBox(height: 12),
-          _buildPreviewSection(),
-        ],
+        _buildPreviewSection(),
+        const SizedBox(height: 16),
+        _buildSelectedHopSection(),
+        const SizedBox(height: 16),
+        _buildRelayPicker(routeCandidates),
+        const SizedBox(height: 16),
+        _buildMapPreview(
+          routeCandidates: routeCandidates,
+          mapPoints: mapPoints,
+          routePoints: routePoints,
+        ),
+        const SizedBox(height: 16),
+        _buildManualEditor(),
       ],
     );
   }
@@ -720,39 +832,33 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
 
     return DefaultTabController(
       length: 2,
-      child: FractionallySizedBox(
-        heightFactor: 0.85,
-        child: Padding(
-          padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
-          child: Column(
-            crossAxisAlignment: CrossAxisAlignment.start,
-            children: [
-              Text(
-                'Set Route for ${widget.contact.displayName}',
-                style: Theme.of(context).textTheme.headlineSmall,
-              ),
-              const SizedBox(height: 8),
-              Text(
-                'Choose how to build the route, or reuse one from history.',
-                style: Theme.of(context).textTheme.bodyMedium,
-              ),
-              const SizedBox(height: 16),
-              const TabBar(
-                tabs: [
-                  Tab(text: 'Build'),
-                  Tab(text: 'History'),
-                ],
-              ),
-              const SizedBox(height: 16),
-              Expanded(
-                child: TabBarView(
-                  children: [
-                    SingleChildScrollView(
-                      child: Column(
-                        crossAxisAlignment: CrossAxisAlignment.start,
+      child: Scaffold(
+        appBar: AppBar(
+          title: Text('Set Path for ${widget.contact.displayName}'),
+          bottom: const TabBar(
+            tabs: [
+              Tab(text: 'Build'),
+              Tab(text: 'History'),
+            ],
+          ),
+        ),
+        body: SafeArea(
+          child: Padding(
+            padding: const EdgeInsets.fromLTRB(16, 16, 16, 0),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(
+                  'Plan the route on its own screen, then save it once the preview looks right.',
+                  style: Theme.of(context).textTheme.bodyMedium,
+                ),
+                const SizedBox(height: 16),
+                Expanded(
+                  child: TabBarView(
+                    children: [
+                      ListView(
                         children: [
                           _buildBuilderTab(
-                            context,
                             routeCandidates: routeCandidates,
                             mapPoints: mapPoints,
                             routePoints: routePoints,
@@ -772,44 +878,54 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
                             clearPathOnMaxRetry:
                                 appProvider.clearPathOnMaxRetry,
                           ),
+                          const SizedBox(height: 24),
                         ],
                       ),
-                    ),
-                    SingleChildScrollView(child: _buildHistoryTab()),
-                  ],
+                      ListView(
+                        children: [
+                          _buildHistoryTab(),
+                          const SizedBox(height: 24),
+                        ],
+                      ),
+                    ],
+                  ),
                 ),
-              ),
-              OverflowBar(
-                alignment: MainAxisAlignment.spaceBetween,
-                spacing: 8,
-                overflowSpacing: 8,
-                children: [
+              ],
+            ),
+          ),
+        ),
+        bottomNavigationBar: SafeArea(
+          top: false,
+          child: Padding(
+            padding: const EdgeInsets.fromLTRB(16, 8, 16, 16),
+            child: OverflowBar(
+              alignment: MainAxisAlignment.spaceBetween,
+              spacing: 8,
+              overflowSpacing: 8,
+              children: [
+                if (widget.contact.routeHasPath)
                   TextButton(
-                    onPressed: () => Navigator.of(context).pop(),
-                    child: const Text('Cancel'),
-                  ),
-                  if (widget.contact.routeHasPath)
-                    TextButton(
-                      onPressed: () => Navigator.of(
-                        context,
-                      ).pop(const ContactRouteDialogResult.clear()),
-                      child: const Text('Clear Route'),
-                    ),
-                  FilledButton(
-                    onPressed: _parsedRoute == null
-                        ? null
-                        : () => Navigator.of(context).pop(
-                            ContactRouteDialogResult.setWithFallback(
-                              _parsedRoute!,
-                              inferredFallbackLocation:
-                                  _buildSyntheticFallbackLocation(),
-                            ),
+                    onPressed: () => Navigator.of(
+                      context,
+                    ).pop(const ContactRouteDialogResult.clear()),
+                    child: const Text('Clear Route'),
+                  )
+                else
+                  const SizedBox.shrink(),
+                FilledButton(
+                  onPressed: _parsedRoute == null
+                      ? null
+                      : () => Navigator.of(context).pop(
+                          ContactRouteDialogResult.setWithFallback(
+                            _parsedRoute!,
+                            inferredFallbackLocation:
+                                _buildSyntheticFallbackLocation(),
                           ),
-                    child: const Text('Set Route'),
-                  ),
-                ],
-              ),
-            ],
+                        ),
+                  child: const Text('Save Path'),
+                ),
+              ],
+            ),
           ),
         ),
       ),
@@ -817,8 +933,6 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
   }
 }
 
-enum _RouteEntryMode { map, manual }
-
 class _RouteMarkerDot extends StatelessWidget {
   final String label;
   final Color color;

lib/widgets/contacts/contact_tile.dart

@@ -325,7 +325,9 @@ class ContactTile extends StatelessWidget {
         contact.type == ContactType.room ||
         contact.type == ContactType.channel;
     final canSetPath =
-        contact.type == ContactType.chat || contact.type == ContactType.room;
+        contact.type == ContactType.chat ||
+        contact.type == ContactType.room ||
+        contact.type == ContactType.repeater;
     final canAddToSensors =
         contact.type == ContactType.chat ||
         contact.type == ContactType.repeater;

lib/widgets/contacts/contact_trace_sheet.dart

@@ -131,7 +131,7 @@ class _ContactTraceSheetState extends State<ContactTraceSheet> {
                   padding: const EdgeInsets.symmetric(horizontal: 16),
                   child: Text(
                     trace.routeHashes.isEmpty
-                        ? 'Direct route to ${widget.contact.displayName}'
+                        ? 'No relay path saved for ${widget.contact.displayName}'
                         : 'Route from saved contact path (${trace.routeHashes.length} hop${trace.routeHashes.length == 1 ? '' : 's'})',
                     style: Theme.of(context).textTheme.bodySmall,
                   ),
@@ -199,14 +199,7 @@ class _ContactTraceSheetState extends State<ContactTraceSheet> {
                                                   child: CircleAvatar(
                                                     radius: 16,
                                                     backgroundColor:
-                                                        entry.key == 0
-                                                        ? Colors.green
-                                                        : (entry.key ==
-                                                                  concreteNodes
-                                                                          .length -
-                                                                      1
-                                                              ? Colors.red
-                                                              : Colors.blue),
+                                                        Colors.blue,
                                                     child: Text(
                                                       '${entry.key + 1}',
                                                       style: const TextStyle(
@@ -236,7 +229,7 @@ class _ContactTraceSheetState extends State<ContactTraceSheet> {
                       Padding(
                         padding: const EdgeInsets.symmetric(horizontal: 16),
                         child: Text(
-                          'Route',
+                          'Relay path',
                           style: Theme.of(context).textTheme.titleMedium,
                         ),
                       ),
@@ -263,11 +256,7 @@ class _ContactTraceSheetState extends State<ContactTraceSheet> {
                               : null,
                           leading: CircleAvatar(
                             radius: 14,
-                            backgroundColor: entry.key == 0
-                                ? Colors.green
-                                : (entry.key == routeEntries.length - 1
-                                      ? Colors.red
-                                      : Colors.blue),
+                            backgroundColor: Colors.blue,
                             child: Text(
                               '${entry.key + 1}',
                               style: const TextStyle(
@@ -279,7 +268,7 @@ class _ContactTraceSheetState extends State<ContactTraceSheet> {
                           ),
                           title: Text(entry.value.label),
                           subtitle: Text(
-                            '${_routeRoleLabel(entry.key, routeEntries.length)}${entry.value.keyLabel == null ? '' : ' • ${entry.value.keyLabel}'}${entry.value.matchSummary == null ? '' : ' • ${entry.value.matchSummary}'}${entry.value.resolved.cycleSummary == null ? '' : ' • ${entry.value.resolved.cycleSummary}'}',
+                            'Relay${entry.value.keyLabel == null ? '' : ' • ${entry.value.keyLabel}'}${entry.value.matchSummary == null ? '' : ' • ${entry.value.matchSummary}'}${entry.value.resolved.cycleSummary == null ? '' : ' • ${entry.value.resolved.cycleSummary}'}',
                           ),
                           trailing: entry.value.resolved.canCycle
                               ? const Icon(Icons.sync_alt)
@@ -326,44 +315,18 @@ class _ContactTraceSheetState extends State<ContactTraceSheet> {
   }
 
   List<_RouteDisplayEntry> _displayRouteEntries(_ContactTraceResult trace) {
-    final entries = <_RouteDisplayEntry>[];
-    if (trace.sender.node != null) {
-      entries.add(
-        _RouteDisplayEntry.fromResolved(
-          trace.sender,
-          target: const _RouteEntryTarget.sender(),
-        ),
+    return trace.matchedRelayNodes.asMap().entries.map((entry) {
+      final resolved = entry.value;
+      final node = resolved.node;
+      final hashHex = trace.routeHashes[entry.key].toUpperCase();
+      return _RouteDisplayEntry(
+        resolved: resolved,
+        label: node?.name ?? 'Unknown',
+        keyLabel: node != null ? _prefixKeyLabel(node.publicKey) : hashHex,
+        matchSummary: resolved.matchSummary,
+        target: _RouteEntryTarget.relayNode(entry.key),
       );
-    }
-    entries.addAll(
-      trace.matchedRelayNodes.asMap().entries.map((entry) {
-        final resolved = entry.value;
-        final node = resolved.node;
-        final hashHex = trace.routeHashes[entry.key].toUpperCase();
-        return _RouteDisplayEntry(
-          resolved: resolved,
-          label: node?.name ?? 'Unknown',
-          keyLabel: node != null ? _prefixKeyLabel(node.publicKey) : hashHex,
-          matchSummary: resolved.matchSummary,
-          target: _RouteEntryTarget.relayNode(entry.key),
-        );
-      }),
-    );
-    if (trace.recipient.node != null) {
-      entries.add(
-        _RouteDisplayEntry.fromResolved(
-          trace.recipient,
-          target: const _RouteEntryTarget.recipient(),
-        ),
-      );
-    }
-    return entries;
-  }
-
-  String _routeRoleLabel(int index, int total) {
-    if (index == 0) return 'Sender';
-    if (index == total - 1) return 'Recipient';
-    return 'Relay';
+    }).toList();
   }
 
   String _prefixKeyLabel(String publicKey) =>
@@ -527,20 +490,6 @@ class _ContactTraceResult {
 
   _ContactTraceResult cycleEntry(_RouteEntryTarget target) {
     switch (target.kind) {
-      case _RouteEntryKind.sender:
-        return _ContactTraceResult(
-          sender: sender.cycle(),
-          recipient: recipient,
-          routeHashes: routeHashes,
-          matchedRelayNodes: matchedRelayNodes,
-        );
-      case _RouteEntryKind.recipient:
-        return _ContactTraceResult(
-          sender: sender,
-          recipient: recipient.cycle(),
-          routeHashes: routeHashes,
-          matchedRelayNodes: matchedRelayNodes,
-        );
       case _RouteEntryKind.relayNode:
         final updated = matchedRelayNodes.toList();
         updated[target.index] = updated[target.index].cycle();
@@ -570,26 +519,9 @@ class _RouteDisplayEntry {
   });
 
   MeshMapNode? get node => resolved.node;
-
-  factory _RouteDisplayEntry.fromResolved(
-    ResolvedTraceNode resolved, {
-    required _RouteEntryTarget target,
-  }) {
-    final node = resolved.node!;
-    return _RouteDisplayEntry(
-      resolved: resolved,
-      label: node.name,
-      keyLabel: node.publicKey.substring(
-        0,
-        math.min(12, node.publicKey.length),
-      ),
-      matchSummary: resolved.matchSummary,
-      target: target,
-    );
-  }
 }
 
-enum _RouteEntryKind { sender, recipient, relayNode }
+enum _RouteEntryKind { relayNode }
 
 class _RouteEntryTarget {
   final _RouteEntryKind kind;
@@ -597,8 +529,6 @@ class _RouteEntryTarget {
 
   const _RouteEntryTarget._(this.kind, [this.index = 0]);
 
-  const _RouteEntryTarget.sender() : this._(_RouteEntryKind.sender);
-  const _RouteEntryTarget.recipient() : this._(_RouteEntryKind.recipient);
   const _RouteEntryTarget.relayNode(int index)
     : this._(_RouteEntryKind.relayNode, index);
 }

lib/widgets/messages/message_bubble.dart

@@ -45,6 +45,7 @@ import 'system_message_bubble.dart';
 /// - Grouped messages (expandable recipient list)
 class MessageBubble extends StatefulWidget {
   final Message message;
+  final int receivedCopies;
   final VoidCallback? onTap;
   final VoidCallback? onReply;
   final bool isHighlighted;
@@ -56,6 +57,7 @@ class MessageBubble extends StatefulWidget {
   const MessageBubble({
     super.key,
     required this.message,
+    this.receivedCopies = 1,
     this.onTap,
     this.onReply,
     this.isHighlighted = false,
@@ -576,6 +578,7 @@ class _MessageBubbleState extends State<MessageBubble> {
       'Sender to receipt ms: ${receptionDetails?.senderToReceiptMs ?? '-'}',
       'Estimated transmit ms: ${receptionDetails?.estimatedTransmitMs ?? '-'}',
       'Post-transmit delay ms: ${receptionDetails?.postTransmitDelayMs ?? '-'}',
+      'Received copies: ${widget.receivedCopies}',
       'Expected ACK tag: ${widget.message.expectedAckTag ?? '-'}',
       'Suggested timeout ms: ${widget.message.suggestedTimeoutMs ?? '-'}',
       'Round-trip ms: ${widget.message.roundTripTimeMs ?? '-'}',
@@ -846,6 +849,12 @@ class _MessageBubbleState extends State<MessageBubble> {
                                   receptionDetails!.postTransmitDelayMs!,
                                 ),
                               ),
+                            if (widget.receivedCopies > 1)
+                              _detailRow(
+                                context,
+                                label: 'Received copies',
+                                value: '${widget.receivedCopies}',
+                              ),
                             if (widget.message.suggestedTimeoutMs != null)
                               _detailRow(
                                 context,

lib/widgets/messages/message_trace_sheet.dart

@@ -154,8 +154,8 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
                   padding: const EdgeInsets.symmetric(horizontal: 16),
                   child: Text(
                     trace.mode == TraceMode.packetPath
-                        ? 'Route from packet path bytes'
-                        : 'Route inferred from hop count (${widget.message.pathLen})',
+                        ? 'Relay path from packet path bytes'
+                        : 'Relay path inferred from hop count (${widget.message.pathLen})',
                     style: Theme.of(context).textTheme.bodySmall,
                   ),
                 ),
@@ -222,14 +222,7 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
                                                   child: CircleAvatar(
                                                     radius: 16,
                                                     backgroundColor:
-                                                        entry.key == 0
-                                                        ? Colors.green
-                                                        : (entry.key ==
-                                                                  concretePathNodes
-                                                                          .length -
-                                                                      1
-                                                              ? Colors.red
-                                                              : Colors.blue),
+                                                        Colors.blue,
                                                     child: Text(
                                                       '${entry.key + 1}',
                                                       style: const TextStyle(
@@ -259,7 +252,7 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
                       Padding(
                         padding: const EdgeInsets.symmetric(horizontal: 16),
                         child: Text(
-                          'Route',
+                          'Relay path',
                           style: Theme.of(context).textTheme.titleMedium,
                         ),
                       ),
@@ -286,11 +279,7 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
                               : null,
                           leading: CircleAvatar(
                             radius: 14,
-                            backgroundColor: entry.key == 0
-                                ? Colors.green
-                                : (entry.key == routeEntries.length - 1
-                                      ? Colors.red
-                                      : Colors.blue),
+                            backgroundColor: Colors.blue,
                             child: Text(
                               '${entry.key + 1}',
                               style: const TextStyle(
@@ -302,7 +291,7 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
                           ),
                           title: Text(entry.value.label),
                           subtitle: Text(
-                            '${_routeRoleLabel(entry.key, routeEntries.length)}${entry.value.keyLabel == null ? '' : ' • ${entry.value.keyLabel}'}${entry.value.matchSummary == null ? '' : ' • ${entry.value.matchSummary}'}${entry.value.resolved.cycleSummary == null ? '' : ' • ${entry.value.resolved.cycleSummary}'}',
+                            'Relay${entry.value.keyLabel == null ? '' : ' • ${entry.value.keyLabel}'}${entry.value.matchSummary == null ? '' : ' • ${entry.value.matchSummary}'}${entry.value.resolved.cycleSummary == null ? '' : ' • ${entry.value.resolved.cycleSummary}'}',
                           ),
                           trailing: entry.value.resolved.canCycle
                               ? const Icon(Icons.sync_alt)
@@ -365,28 +354,8 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
   }
 
   List<_RouteDisplayEntry> _displayRouteEntries(_TraceResult trace) {
-    final pathNodes = trace.matchedPathNodes
-        .map((entry) => entry.node)
-        .whereType<MeshMapNode>()
-        .toList();
-    if (pathNodes.isEmpty) {
-      return [
-        if (trace.sender.node != null)
-          _RouteDisplayEntry.fromResolved(
-            trace.sender,
-            target: const _RouteEntryTarget.sender(),
-          ),
-        if (trace.recipient.node != null &&
-            trace.recipient.node!.publicKey != trace.sender.node?.publicKey)
-          _RouteDisplayEntry.fromResolved(
-            trace.recipient,
-            target: const _RouteEntryTarget.recipient(),
-          ),
-      ];
-    }
-
     if (trace.mode == TraceMode.packetPath) {
-      final entries = trace.matchedPathNodes.asMap().entries.map((entry) {
+      return trace.matchedPathNodes.asMap().entries.map((entry) {
         final hashHex = trace.pathHashes[entry.key].toUpperCase();
         return _RouteDisplayEntry(
           resolved: entry.value,
@@ -398,54 +367,24 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
           target: _RouteEntryTarget.pathNode(entry.key),
         );
       }).toList();
-      final lastKey = pathNodes.last.publicKey;
-      return [
-        ...entries,
-        if (trace.recipient.node != null &&
-            trace.recipient.node!.publicKey != lastKey)
-          _RouteDisplayEntry.fromResolved(
-            trace.recipient,
-            target: const _RouteEntryTarget.recipient(),
-          ),
-      ];
     }
 
-    final firstKey = pathNodes.first.publicKey;
-    final lastKey = pathNodes.last.publicKey;
-    return [
-      if (trace.sender.node != null && trace.sender.node!.publicKey != firstKey)
-        _RouteDisplayEntry.fromResolved(
-          trace.sender,
-          target: const _RouteEntryTarget.sender(),
-        ),
-      ...trace.matchedPathNodes
-          .asMap()
-          .entries
-          .where((entry) => entry.value.node != null)
-          .map(
-            (entry) => _RouteDisplayEntry.fromResolved(
-              entry.value,
-              target: _RouteEntryTarget.pathNode(entry.key),
-            ),
+    return trace.matchedPathNodes
+        .asMap()
+        .entries
+        .where((entry) => entry.value.node != null)
+        .map(
+          (entry) => _RouteDisplayEntry.fromResolved(
+            entry.value,
+            target: _RouteEntryTarget.pathNode(entry.key),
           ),
-      if (trace.recipient.node != null &&
-          trace.recipient.node!.publicKey != lastKey)
-        _RouteDisplayEntry.fromResolved(
-          trace.recipient,
-          target: const _RouteEntryTarget.recipient(),
-        ),
-    ];
+        )
+        .toList();
   }
 
   String _prefixKeyLabel(String publicKey) =>
       publicKey.substring(0, math.min(12, publicKey.length));
 
-  String _routeRoleLabel(int index, int total) {
-    if (index == 0) return 'Sender';
-    if (index == total - 1) return 'Recipient';
-    return 'Relay';
-  }
-
   String? _toPrefixHex(List<int>? key) {
     if (key == null || key.isEmpty) return null;
     final take = key.length < 6 ? key.length : 6;
@@ -521,7 +460,7 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
       final hopHashes = LogRxRouteDecoder.splitHopHashes(
         packetPath,
         hashSize: hashSize,
-      ).reversed.toList();
+      );
       final matched = _matchNodesFromPathHashes(
         nodes: nodes,
         localPublicKeys: localPublicKeys,
@@ -731,22 +670,6 @@ class _TraceResult {
 
   _TraceResult cycleEntry(_RouteEntryTarget target) {
     switch (target.kind) {
-      case _RouteEntryKind.sender:
-        return _TraceResult(
-          mode: mode,
-          sender: sender.cycle(),
-          recipient: recipient,
-          pathHashes: pathHashes,
-          matchedPathNodes: matchedPathNodes,
-        );
-      case _RouteEntryKind.recipient:
-        return _TraceResult(
-          mode: mode,
-          sender: sender,
-          recipient: recipient.cycle(),
-          pathHashes: pathHashes,
-          matchedPathNodes: matchedPathNodes,
-        );
       case _RouteEntryKind.pathNode:
         final updated = matchedPathNodes.toList();
         updated[target.index] = updated[target.index].cycle();
@@ -796,7 +719,7 @@ class _RouteDisplayEntry {
   }
 }
 
-enum _RouteEntryKind { sender, recipient, pathNode }
+enum _RouteEntryKind { pathNode }
 
 class _RouteEntryTarget {
   final _RouteEntryKind kind;
@@ -804,8 +727,6 @@ class _RouteEntryTarget {
 
   const _RouteEntryTarget._(this.kind, [this.index = 0]);
 
-  const _RouteEntryTarget.sender() : this._(_RouteEntryKind.sender);
-  const _RouteEntryTarget.recipient() : this._(_RouteEntryKind.recipient);
   const _RouteEntryTarget.pathNode(int index)
     : this._(_RouteEntryKind.pathNode, index);
 }

lib/widgets/messages/messages_content.dart

@@ -2,13 +2,14 @@ import 'package:flutter/material.dart';
 
 import '../../l10n/app_localizations.dart';
 import '../../models/message.dart';
+import '../../providers/messages_provider.dart';
 import '../common/bidirectional_refresh.dart';
 import '../../widgets/messages/message_bubble.dart';
 
 class MessagesContent extends StatelessWidget {
   static const double defaultPadding = 8;
 
-  final List<Message> messages;
+  final List<DisplayMessageEntry> messages;
   final ScrollController scrollController;
   final String? highlightedMessageId;
   final double bottomContentPadding;
@@ -84,11 +85,13 @@ class MessagesContent extends StatelessWidget {
               ),
               itemCount: messages.length,
               itemBuilder: (context, index) {
-                final message = messages[index];
+                final entry = messages[index];
+                final message = entry.message;
 
                 return MessageBubble(
                   key: ValueKey(message.id),
                   message: message,
+                  receivedCopies: entry.occurrenceCount,
                   isHighlighted: message.id == highlightedMessageId,
                   onNavigateToMap: onNavigateToMap,
                   onTap: onMessageTap == null

test/providers/messages_provider_retransmission_test.dart

@@ -4,6 +4,7 @@ import 'package:fake_async/fake_async.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:meshcore_sar_app/models/contact.dart';
 import 'package:meshcore_sar_app/models/message.dart';
+import 'package:meshcore_sar_app/models/message_reception_details.dart';
 import 'package:meshcore_sar_app/models/path_selection.dart';
 import 'package:meshcore_sar_app/providers/helpers/message_retry_manager.dart';
 import 'package:meshcore_sar_app/providers/messages_provider.dart';
@@ -347,6 +348,88 @@ void main() {
       expect(provider.messages.single.id, equals('c-prefix'));
     });
 
+    test('duplicate incoming message increments received copy count', () {
+      final provider = MessagesProvider();
+      final sender = Uint8List.fromList([7, 7, 4, 1, 7, 2]);
+
+      provider.addMessage(
+        Message(
+          id: 'copy-1',
+          messageType: MessageType.contact,
+          pathLen: 1,
+          textType: MessageTextType.plain,
+          senderTimestamp: 1700000600,
+          text: 'same payload',
+          receivedAt: DateTime.now(),
+          senderPublicKeyPrefix: sender,
+        ),
+        receptionDetailsSnapshot: MessageReceptionDetails(
+          capturedAt: DateTime.now(),
+        ),
+      );
+      provider.addMessage(
+        Message(
+          id: 'copy-2',
+          messageType: MessageType.contact,
+          pathLen: 1,
+          textType: MessageTextType.plain,
+          senderTimestamp: 1700000601,
+          text: 'same payload',
+          receivedAt: DateTime.now(),
+          senderPublicKeyPrefix: sender,
+        ),
+        receptionDetailsSnapshot: MessageReceptionDetails(
+          capturedAt: DateTime.now(),
+        ),
+      );
+
+      expect(provider.messages, hasLength(1));
+      expect(
+        provider.getMessageReceptionDetails('copy-1')?.receivedCopies,
+        equals(2),
+      );
+    });
+
+    test('display list collapses stored duplicates and sums copy counts', () {
+      final provider = MessagesProvider();
+      final sender = Uint8List.fromList([5, 4, 3, 2, 1, 0]);
+
+      provider.addMessages([
+        Message(
+          id: 'dup-a',
+          messageType: MessageType.channel,
+          channelIdx: 0,
+          pathLen: 1,
+          textType: MessageTextType.plain,
+          senderTimestamp: 1700000705,
+          text: 'same payload',
+          senderName: 'Klemen',
+          receivedAt: DateTime.now(),
+          senderPublicKeyPrefix: sender,
+        ),
+        Message(
+          id: 'dup-b',
+          messageType: MessageType.channel,
+          channelIdx: 0,
+          pathLen: 2,
+          textType: MessageTextType.plain,
+          senderTimestamp: 1700000700,
+          text: 'same payload',
+          senderName: 'Klemen',
+          receivedAt: DateTime.now(),
+          senderPublicKeyPrefix: sender,
+        ),
+      ]);
+
+      final display = provider.buildDisplayMessages(
+        provider.getRecentMessages(),
+      );
+
+      expect(display, hasLength(1));
+      expect(display.single.message.id, equals('dup-a'));
+      expect(display.single.occurrenceCount, equals(2));
+    });
+
     test('missing ACK schedules a delayed retransmission', () {
       fakeAsync((async) {
         final provider = MessagesProvider();

test/services/message_storage_service_test.dart

@@ -78,6 +78,7 @@ void main() {
           senderToReceiptMs: 1200,
           estimatedTransmitMs: 800,
           postTransmitDelayMs: 400,
+          receivedCopies: 3,
         ),
       },
     );
@@ -95,6 +96,7 @@ void main() {
     expect(restored.senderToReceiptMs, 1200);
     expect(restored.estimatedTransmitMs, 800);
     expect(restored.postTransmitDelayMs, 400);
+    expect(restored.receivedCopies, 3);
     expect(
       restored.packetLoggedAt,
       DateTime.fromMillisecondsSinceEpoch(1700000100400),