feat: Finish discovery flow

ref:

lib/main.dart

@@ -25,6 +25,7 @@ import 'services/locale_preferences.dart';
 import 'services/mesh_map_nodes_service.dart';
 import 'services/update_checker_service.dart';
 import 'services/wizard_preferences.dart';
+import 'screens/discovery_screen.dart';
 import 'screens/home_screen.dart';
 import 'screens/welcome_wizard_screen.dart';
 import 'theme/app_theme.dart';
@@ -42,11 +43,13 @@ class MeshCoreSarApp extends StatefulWidget {
 }
 
 class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
+  final GlobalKey<NavigatorState> _navigatorKey = GlobalKey<NavigatorState>();
   AppThemeMode _themeMode = AppThemeMode.system;
   Locale? _locale;
   bool _isInitialized = false;
   bool _shouldShowPermissionDialog = false;
   bool _wizardCompleted = true; // Will be updated in _initializeApp()
+  String? _pendingNotificationPayload;
 
   @override
   void initState() {
@@ -66,6 +69,7 @@ class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
 
     // Set up notification tap handler for update notifications
     NotificationService().onNotificationTapped = _handleNotificationTap;
+    _pendingNotificationPayload = NotificationService().consumeLaunchPayload();
 
     // Check if we need to request location permissions
     await _checkLocationPermissions();
@@ -81,6 +85,14 @@ class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
       _wizardCompleted = wizardCompleted;
       _isInitialized = true;
     });
+
+    if (_pendingNotificationPayload != null) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        final payload = _pendingNotificationPayload;
+        _pendingNotificationPayload = null;
+        _handleNotificationTap(payload);
+      });
+    }
   }
 
   /// Handle notification tap
@@ -89,10 +101,27 @@ class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
 
     debugPrint('[Main] Notification tapped: $payload');
 
+    if (!_wizardCompleted) {
+      _pendingNotificationPayload = payload;
+      return;
+    }
+
     // Handle update notification tap
     if (payload.startsWith('update:')) {
       final downloadUrl = payload.substring(7); // Remove 'update:' prefix
       _launchUpdateDownload(downloadUrl);
+      return;
+    }
+
+    if (payload.startsWith('discovery:')) {
+      final navigator = _navigatorKey.currentState;
+      if (navigator == null) {
+        _pendingNotificationPayload = payload;
+        return;
+      }
+      navigator.push(
+        MaterialPageRoute(builder: (context) => const DiscoveryScreen()),
+      );
     }
     // SAR and message notifications handled by their respective providers
   }
@@ -304,6 +333,7 @@ class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
       builder: (context) {
         final systemBrightness = MediaQuery.platformBrightnessOf(context);
         final materialApp = MaterialApp(
+          navigatorKey: _navigatorKey,
           key: ValueKey<String?>(
             '${_locale?.languageCode ?? 'system'}_${_themeMode.name}',
           ),

lib/models/device_info.dart

@@ -66,6 +66,11 @@ class DeviceInfo {
   final int? advLat;
   final int? advLon;
   final bool? manualAddContacts;
+  final bool? autoAddUsers;
+  final bool? autoAddRepeaters;
+  final bool? autoAddRoomServers;
+  final bool? autoAddSensors;
+  final bool? autoAddOverwriteOldest;
   final int? radioFreq;
   final int? radioBw;
   final int? radioSf;
@@ -113,6 +118,11 @@ class DeviceInfo {
     this.advLat,
     this.advLon,
     this.manualAddContacts,
+    this.autoAddUsers,
+    this.autoAddRepeaters,
+    this.autoAddRoomServers,
+    this.autoAddSensors,
+    this.autoAddOverwriteOldest,
     this.radioFreq,
     this.radioBw,
     this.radioSf,
@@ -239,6 +249,11 @@ class DeviceInfo {
     int? advLat,
     int? advLon,
     bool? manualAddContacts,
+    bool? autoAddUsers,
+    bool? autoAddRepeaters,
+    bool? autoAddRoomServers,
+    bool? autoAddSensors,
+    bool? autoAddOverwriteOldest,
     int? radioFreq,
     int? radioBw,
     int? radioSf,
@@ -278,6 +293,12 @@ class DeviceInfo {
       advLat: advLat ?? this.advLat,
       advLon: advLon ?? this.advLon,
       manualAddContacts: manualAddContacts ?? this.manualAddContacts,
+      autoAddUsers: autoAddUsers ?? this.autoAddUsers,
+      autoAddRepeaters: autoAddRepeaters ?? this.autoAddRepeaters,
+      autoAddRoomServers: autoAddRoomServers ?? this.autoAddRoomServers,
+      autoAddSensors: autoAddSensors ?? this.autoAddSensors,
+      autoAddOverwriteOldest:
+          autoAddOverwriteOldest ?? this.autoAddOverwriteOldest,
       radioFreq: radioFreq ?? this.radioFreq,
       radioBw: radioBw ?? this.radioBw,
       radioSf: radioSf ?? this.radioSf,

lib/providers/app_provider.dart

@@ -1,6 +1,8 @@
 import 'dart:async';
+import 'dart:convert';
 import 'dart:math' as math;
 import 'package:flutter/foundation.dart';
+import 'package:meshcore_client/meshcore_client.dart' show BufferReader;
 import 'package:shared_preferences/shared_preferences.dart';
 import 'connection_provider.dart';
 import 'contacts_provider.dart';
@@ -57,12 +59,65 @@ class _DirectMessageRouteSession {
   }
 }
 
+class _ParsedRawAdvert {
+  final Uint8List publicKey;
+  final String? advName;
+  final int typeValue;
+  final int flags;
+  final int lastAdvert;
+  final int? advLat;
+  final int? advLon;
+  final int? signedEncodedPathLen;
+  final Uint8List? paddedPathBytes;
+
+  const _ParsedRawAdvert({
+    required this.publicKey,
+    required this.advName,
+    required this.typeValue,
+    required this.flags,
+    required this.lastAdvert,
+    required this.advLat,
+    required this.advLon,
+    required this.signedEncodedPathLen,
+    required this.paddedPathBytes,
+  });
+}
+
+class _ParsedRepeaterStatus {
+  final int batteryMv;
+  final int queueLen;
+  final int lastRssi;
+  final int lastSnrRaw;
+  final int uptimeSecs;
+
+  const _ParsedRepeaterStatus({
+    required this.batteryMv,
+    required this.queueLen,
+    required this.lastRssi,
+    required this.lastSnrRaw,
+    required this.uptimeSecs,
+  });
+}
+
+class _PendingRepeaterOwnerRequest {
+  final Uint8List publicKey;
+
+  const _PendingRepeaterOwnerRequest({required this.publicKey});
+}
+
 /// Main App Provider - coordinates all other providers
 class AppProvider with ChangeNotifier {
   static const int _maxDirectPayloadHops = 3;
+  static const int _rawPayloadTypeAdvert = 0x04;
+  static const int _routeTransportFlood = 0x00;
+  static const int _routeTransportDirect = 0x03;
+  static const int _anonReqTypeOwner = 0x02;
   static const double _lowBatteryThresholdPercent = 30.0;
   static const double _lowBatteryResetThresholdPercent = 35.0;
   static const Duration _lowBatteryCheckInterval = Duration(minutes: 5);
+  static const Duration _repeaterOwnerInfoRequestCooldown = Duration(
+    minutes: 10,
+  );
   @visibleForTesting
   static bool isDeletedChannelInfo(
     int channelIdx,
@@ -151,6 +206,10 @@ class AppProvider with ChangeNotifier {
   final Map<String, Future<bool>> _pendingMediaSwarmFetches = {};
   final Map<String, Map<String, MediaSwarmAvailability>>
   _pendingMediaSwarmResponses = {};
+  final Map<String, DateTime> _recentRepeaterStatusRequests = {};
+  final Map<String, DateTime> _recentRepeaterOwnerInfoRequests = {};
+  final Map<int, _PendingRepeaterOwnerRequest> _pendingRepeaterOwnerRequests =
+      {};
   bool _fastLocationScreenActive = false;
   Timer? _packetCaptureFlushTimer;
   Timer? _lowBatteryCheckTimer;
@@ -864,11 +923,47 @@ class AppProvider with ChangeNotifier {
           );
         };
     // When a contact is received from BLE
-    connectionProvider.onContactReceived = (contact) {
+    connectionProvider.onContactReceivedDetailed = (contact, source) {
+      final devicePublicKey = connectionProvider.deviceInfo.publicKey;
+      final existingContact = contactsProvider.findContactByKey(
+        contact.publicKey,
+      );
+      final isAdvertSource =
+          source == ContactReceiveSource.advert ||
+          source == ContactReceiveSource.preview;
+
+      if (isAdvertSource) {
+        final isNewPendingAdvert = contactsProvider
+            .addOrUpdatePendingAdvertContact(
+              contact,
+              devicePublicKey: devicePublicKey,
+            );
+        if (isNewPendingAdvert) {
+          unawaited(
+            _notificationService.showContactDiscoveredNotification(
+              contactKey: contact.publicKey
+                  .take(6)
+                  .map((b) => b.toRadixString(16).padLeft(2, '0'))
+                  .join(),
+              contactName: contact.advName.trim().isEmpty
+                  ? null
+                  : contact.advName,
+                ),
+          );
+        }
+        if (contact.type == ContactType.repeater &&
+            contact.advName.trim().isEmpty) {
+          unawaited(_maybeRequestRepeaterOwnerInfo(contact.publicKey));
+        }
+        if (existingContact == null) {
+          return;
+        }
+      }
+
       // Pass device public key to filter out our own contact
       contactsProvider.addOrUpdateContact(
         contact,
-        devicePublicKey: connectionProvider.deviceInfo.publicKey,
+        devicePublicKey: devicePublicKey,
       );
       unawaited(_pathHistoryService.recordLearnedPath(contact));
 
@@ -1240,6 +1335,9 @@ class AppProvider with ChangeNotifier {
     // Used by newer firmware versions for telemetry and other binary data
     // BOTH callbacks (0x8B and 0x8C) must be handled for device compatibility
     connectionProvider.onBinaryResponse = (publicKeyPrefix, tag, responseData) {
+      if (_handlePendingRepeaterOwnerResponse(tag, responseData)) {
+        return;
+      }
       debugPrint(
         '📊 [AppProvider] Binary response (0x8C) received - updating contact telemetry',
       );
@@ -1253,6 +1351,43 @@ class AppProvider with ChangeNotifier {
     // Magic 0x69 'i' = image fetch request; 0x56 'V' = voice packet.
     // Magic 0x49 'I' = image packet.
     connectionProvider.onRawDataReceived = (payload, snrRaw, rssiDbm) {
+      final parsedAdvert = _tryParseRawAdvert(payload);
+      if (parsedAdvert != null) {
+        final isNewPendingAdvert = contactsProvider.addOrUpdatePendingAdvertMetadata(
+          publicKey: parsedAdvert.publicKey,
+          typeValue: parsedAdvert.typeValue,
+          devicePublicKey: connectionProvider.deviceInfo.publicKey,
+          flags: parsedAdvert.flags,
+          advName: parsedAdvert.advName,
+          lastAdvert: parsedAdvert.lastAdvert,
+          advLat: parsedAdvert.advLat,
+          advLon: parsedAdvert.advLon,
+          signedEncodedPathLen: parsedAdvert.signedEncodedPathLen,
+          paddedPathBytes: parsedAdvert.paddedPathBytes,
+          rxRssiDbm: rssiDbm,
+          rxSnrRaw: snrRaw,
+        );
+        if (isNewPendingAdvert) {
+          final contactKey = parsedAdvert.publicKey
+              .map((b) => b.toRadixString(16).padLeft(2, '0'))
+              .join();
+          unawaited(
+            _notificationService.showContactDiscoveredNotification(
+              contactKey: contactKey,
+              contactName: parsedAdvert.advName,
+            ),
+          );
+        }
+        if (parsedAdvert.typeValue == ContactType.repeater.value) {
+          unawaited(_requestRepeaterStatus(parsedAdvert.publicKey));
+          unawaited(_maybeRequestRepeaterOwnerInfo(parsedAdvert.publicKey));
+        }
+        if (contactsProvider.shouldEnrichPendingAdvert(parsedAdvert.publicKey)) {
+          unawaited(connectionProvider.previewContact(parsedAdvert.publicKey));
+        }
+        return;
+      }
+
       final fastGpsPacket = FastGpsPacket.tryParseBinary(payload);
       if (fastGpsPacket != null) {
         final sender = _resolveContactByPrefixHex(fastGpsPacket.senderKey6);
@@ -1458,6 +1593,31 @@ class AppProvider with ChangeNotifier {
       _handleIncomingVoicePacket(pkt, justComplete: justComplete);
     };
 
+    connectionProvider.onControlDataReceived =
+        (payload, snrRaw, rssiDbm, pathLen) {
+          _handleControlDataDiscovery(
+            payload: payload,
+            snrRaw: snrRaw,
+            rssiDbm: rssiDbm,
+            pathLen: pathLen,
+          );
+        };
+
+    connectionProvider.onStatusResponse = (publicKeyPrefix, statusData) {
+      final parsed = _tryParseRepeaterStatus(statusData);
+      if (parsed == null) {
+        return;
+      }
+      contactsProvider.updatePendingAdvertStatusByPrefix(
+        publicKeyPrefix,
+        batteryMv: parsed.batteryMv,
+        queueLen: parsed.queueLen,
+        lastRssi: parsed.lastRssi,
+        lastSnrRaw: parsed.lastSnrRaw,
+        uptimeSecs: parsed.uptimeSecs,
+      );
+    };
+
     // When a contact's routing path is updated in the mesh network
     connectionProvider.onPathUpdated = (publicKey) {
       debugPrint(
@@ -1509,9 +1669,13 @@ class AppProvider with ChangeNotifier {
           unawaited(
             _notificationService.showContactDiscoveredNotification(
               contactKey: keyHex,
+              contactName: contactsProvider.pendingAdvertByKey(publicKey)?.advName,
             ),
           );
         }
+        if (contactsProvider.shouldEnrichPendingAdvert(publicKey)) {
+          unawaited(connectionProvider.previewContact(publicKey));
+        }
       }
     };
 
@@ -1923,6 +2087,314 @@ class AppProvider with ChangeNotifier {
     );
   }
 
+  Future<void> _requestRepeaterStatus(Uint8List publicKey) async {
+    if (!connectionProvider.deviceInfo.isConnected) {
+      return;
+    }
+    final keyHex = publicKey
+        .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
+        .join();
+    final now = DateTime.now();
+    final lastRequestAt = _recentRepeaterStatusRequests[keyHex];
+    if (lastRequestAt != null &&
+        now.difference(lastRequestAt) < const Duration(minutes: 2)) {
+      return;
+    }
+    _recentRepeaterStatusRequests[keyHex] = now;
+    try {
+      await connectionProvider.requestStatus(publicKey);
+    } catch (_) {
+      // Ignore unsupported or unreachable repeaters.
+    }
+  }
+
+  Future<void> _maybeRequestRepeaterOwnerInfo(Uint8List publicKey) async {
+    final pendingAdvert = contactsProvider.pendingAdvertByKey(publicKey);
+    if (pendingAdvert == null ||
+        pendingAdvert.typeValue != ContactType.repeater.value ||
+        pendingAdvert.advName?.trim().isNotEmpty == true ||
+        !connectionProvider.deviceInfo.isConnected) {
+      return;
+    }
+
+    final keyHex = pendingAdvert.publicKeyHex;
+    final now = DateTime.now();
+    final lastRequestAt = _recentRepeaterOwnerInfoRequests[keyHex];
+    if (lastRequestAt != null &&
+        now.difference(lastRequestAt) < _repeaterOwnerInfoRequestCooldown) {
+      return;
+    }
+
+    Contact? existingContact;
+    for (final contact in contactsProvider.contacts) {
+      if (contact.publicKeyHex == keyHex) {
+        existingContact = contact;
+        break;
+      }
+    }
+
+    var temporaryContactAdded = false;
+    final requestContact =
+        existingContact ?? _temporaryRepeaterContactForOwnerInfo(pendingAdvert);
+    if (requestContact == null || !requestContact.routeHasPath) {
+      return;
+    }
+
+    _recentRepeaterOwnerInfoRequests[keyHex] = now;
+
+    if (existingContact == null) {
+      connectionProvider.clearError();
+      await connectionProvider.addOrUpdateContact(requestContact);
+      if (connectionProvider.error != null) {
+        return;
+      }
+      connectionProvider.clearError();
+      temporaryContactAdded = true;
+    }
+
+    try {
+      final ticket = await connectionProvider.sendAnonRequest(
+        contactPublicKey: publicKey,
+        requestData: _buildRepeaterOwnerRequest(requestContact),
+      );
+      if (ticket == null) {
+        return;
+      }
+      _pendingRepeaterOwnerRequests[ticket.tag] = _PendingRepeaterOwnerRequest(
+        publicKey: Uint8List.fromList(publicKey),
+      );
+      Future.delayed(
+        Duration(milliseconds: ticket.suggestedTimeoutMs + 1500),
+        () => _pendingRepeaterOwnerRequests.remove(ticket.tag),
+      );
+    } catch (_) {
+      // Ignore unsupported or unreachable repeaters.
+    } finally {
+      if (temporaryContactAdded) {
+        Future.delayed(const Duration(milliseconds: 250), () async {
+          await connectionProvider.removeContact(publicKey);
+          connectionProvider.clearError();
+        });
+      }
+    }
+  }
+
+  Contact? _temporaryRepeaterContactForOwnerInfo(PendingAdvert advert) {
+    final signedEncodedPathLen = advert.signedEncodedPathLen;
+    if (signedEncodedPathLen == null) {
+      return null;
+    }
+
+    final advName = advert.advName?.trim();
+    final lastAdvert =
+        advert.lastAdvert ?? (advert.receivedAt.millisecondsSinceEpoch ~/ 1000);
+    return Contact(
+      publicKey: Uint8List.fromList(advert.publicKey),
+      type: ContactType.repeater,
+      flags: advert.flags ?? 0,
+      outPathLen: signedEncodedPathLen,
+      outPath: advert.paddedPathBytes == null
+          ? Uint8List(ContactRouteCodec.maxPathBytes)
+          : Uint8List.fromList(advert.paddedPathBytes!),
+      advName: advName?.isNotEmpty == true ? advName! : advert.shortDisplayKey,
+      lastAdvert: lastAdvert,
+      advLat: advert.advLat ?? 0,
+      advLon: advert.advLon ?? 0,
+      lastMod: lastAdvert,
+    );
+  }
+
+  Uint8List _buildRepeaterOwnerRequest(Contact contact) {
+    final replyPathDescriptor = contact.routeEncodedPathLen;
+    final replyPathBytes = contact.routeHopCount > 0
+        ? Uint8List.fromList(
+            LogRxRouteDecoder.reverseHopBytes(
+              contact.routePathBytes,
+              hashSize: contact.routeHashSize,
+            ),
+          )
+        : Uint8List(0);
+    return Uint8List.fromList([
+      _anonReqTypeOwner,
+      replyPathDescriptor,
+      ...replyPathBytes,
+    ]);
+  }
+
+  bool _handlePendingRepeaterOwnerResponse(int tag, Uint8List responseData) {
+    final request = _pendingRepeaterOwnerRequests.remove(tag);
+    if (request == null) {
+      return false;
+    }
+
+    final ownerName = _tryParseRepeaterOwnerName(responseData);
+    if (ownerName == null || ownerName.isEmpty) {
+      return true;
+    }
+
+    final existing = contactsProvider.pendingAdvertByKey(request.publicKey);
+    contactsProvider.addOrUpdatePendingAdvertMetadata(
+      publicKey: request.publicKey,
+      typeValue: existing?.typeValue ?? ContactType.repeater.value,
+      devicePublicKey: connectionProvider.deviceInfo.publicKey,
+      advName: ownerName,
+    );
+    return true;
+  }
+
+  String? _tryParseRepeaterOwnerName(Uint8List responseData) {
+    if (responseData.length <= 4) {
+      return null;
+    }
+
+    try {
+      final payload = utf8.decode(
+        responseData.sublist(4),
+        allowMalformed: true,
+      ).trim();
+      if (payload.isEmpty) {
+        return null;
+      }
+      final firstLine = payload.split(RegExp(r'[\r\n]+')).first.trim();
+      return firstLine.isEmpty ? null : firstLine;
+    } catch (_) {
+      return null;
+    }
+  }
+
+  _ParsedRepeaterStatus? _tryParseRepeaterStatus(Uint8List statusData) {
+    if (statusData.length < 52) {
+      return null;
+    }
+
+    try {
+      final data = ByteData.sublistView(statusData);
+      var offset = 0;
+      final batteryMv = data.getUint16(offset, Endian.little);
+      offset += 2;
+      final queueLen = data.getUint16(offset, Endian.little);
+      offset += 2;
+      offset += 2; // noiseFloor
+      final lastRssi = data.getInt16(offset, Endian.little);
+      offset += 2;
+      offset += 4; // packetsRecv
+      offset += 4; // packetsSent
+      offset += 4; // txAirSecs
+      final uptimeSecs = data.getUint32(offset, Endian.little);
+      offset += 4;
+      offset += 4; // floodTx
+      offset += 4; // directTx
+      offset += 4; // floodRx
+      offset += 4; // directRx
+      offset += 2; // errEvents
+      final lastSnrRaw = data.getInt16(offset, Endian.little);
+
+      return _ParsedRepeaterStatus(
+        batteryMv: batteryMv,
+        queueLen: queueLen,
+        lastRssi: lastRssi,
+        lastSnrRaw: lastSnrRaw,
+        uptimeSecs: uptimeSecs,
+      );
+    } catch (_) {
+      return null;
+    }
+  }
+
+  _ParsedRawAdvert? _tryParseRawAdvert(Uint8List rawPayload) {
+    if (rawPayload.length < 103) {
+      return null;
+    }
+
+    try {
+      final reader = BufferReader(rawPayload);
+      final header = reader.readByte();
+      final routeType = header & 0x03;
+      final payloadType = (header >> 2) & 0x0F;
+      if (payloadType != _rawPayloadTypeAdvert) {
+        return null;
+      }
+
+      if (routeType == _routeTransportFlood ||
+          routeType == _routeTransportDirect) {
+        if (reader.remainingBytesCount < 4) {
+          return null;
+        }
+        reader.skip(4);
+      }
+
+      if (reader.remainingBytesCount < 1) {
+        return null;
+      }
+      final pathByteLen = reader.readByte();
+      if (reader.remainingBytesCount < pathByteLen + 101) {
+        return null;
+      }
+      final pathBytes = reader.readBytes(pathByteLen);
+      final publicKey = reader.readBytes(32);
+      final timestamp = reader.readInt32LE();
+      reader.skip(64);
+      final flags = reader.readByte();
+      final typeValue = flags & 0x0F;
+      final hasLocation = (flags & 0x10) != 0;
+      final hasName = (flags & 0x80) != 0;
+
+      int? advLat;
+      int? advLon;
+      if (hasLocation) {
+        if (reader.remainingBytesCount < 8) {
+          return null;
+        }
+        advLat = reader.readInt32LE();
+        advLon = reader.readInt32LE();
+      }
+
+      String? advName;
+      if (hasName && reader.remainingBytesCount > 0) {
+        final decodedName = utf8.decode(
+          reader.readRemainingBytes(),
+          allowMalformed: true,
+        ).trim();
+        if (decodedName.isNotEmpty) {
+          advName = decodedName;
+        }
+      }
+
+      int? signedEncodedPathLen;
+      Uint8List? paddedPathBytes;
+      if (pathBytes.isNotEmpty) {
+        final hashSize = LogRxRouteDecoder.inferHashSize(pathBytes);
+        final reversedPathBytes = LogRxRouteDecoder.reverseHopBytes(
+          pathBytes,
+          hashSize: hashSize,
+        );
+        final padded = Uint8List(ContactRouteCodec.maxPathBytes)
+          ..setRange(0, reversedPathBytes.length, reversedPathBytes);
+        final encodedPathLen =
+            ((hashSize - 1) << 6) |
+            ((reversedPathBytes.length ~/ hashSize) & 0x3F);
+        signedEncodedPathLen = ContactRouteCodec.toSignedDescriptor(
+          encodedPathLen,
+        );
+        paddedPathBytes = padded;
+      }
+
+      return _ParsedRawAdvert(
+        publicKey: publicKey,
+        advName: advName,
+        typeValue: typeValue,
+        flags: flags,
+        lastAdvert: timestamp,
+        advLat: advLat,
+        advLon: advLon,
+        signedEncodedPathLen: signedEncodedPathLen,
+        paddedPathBytes: paddedPathBytes,
+      );
+    } catch (_) {
+      return null;
+    }
+  }
+
   int _inferReceivedPathHashSize(
     List<int> pathBytes, {
     required int preferredHashSize,
@@ -3142,6 +3614,68 @@ class AppProvider with ChangeNotifier {
     notifyListeners();
   }
 
+  void _handleControlDataDiscovery({
+    required Uint8List payload,
+    required int snrRaw,
+    required int rssiDbm,
+    required int pathLen,
+  }) {
+    const int controlTypeMask = 0xF0;
+    const int controlTypeNodeDiscoverResp = 0x90;
+    const int minFullDiscoverResponseLength = 6 + 32;
+
+    if (payload.length < minFullDiscoverResponseLength) {
+      return;
+    }
+
+    final controlType = payload[0] & controlTypeMask;
+    if (controlType != controlTypeNodeDiscoverResp) {
+      return;
+    }
+
+    final nodeType = payload[0] & 0x0F;
+    final publicKey = Uint8List.fromList(payload.sublist(6, 38));
+    final isNewPendingAdvert = contactsProvider
+        .addOrUpdatePendingAdvertMetadata(
+          publicKey: publicKey,
+          typeValue: nodeType,
+          devicePublicKey: connectionProvider.deviceInfo.publicKey,
+          rxRssiDbm: rssiDbm,
+          rxSnrRaw: snrRaw,
+          signedEncodedPathLen: pathLen == 0 ? 0 : null,
+          paddedPathBytes: pathLen == 0
+              ? Uint8List(ContactRouteCodec.maxPathBytes)
+              : null,
+        );
+
+    debugPrint(
+      '🛰️ [AppProvider] Control discovery response: type=$nodeType '
+      'pathLen=$pathLen snr=$snrRaw rssi=$rssiDbm new=$isNewPendingAdvert',
+    );
+
+    if (isNewPendingAdvert) {
+      final keyHex = publicKey
+          .take(6)
+          .map((b) => b.toRadixString(16).padLeft(2, '0'))
+          .join();
+      unawaited(
+        _notificationService.showContactDiscoveredNotification(
+          contactKey: keyHex,
+          contactName: contactsProvider.pendingAdvertByKey(publicKey)?.advName,
+        ),
+      );
+    }
+
+    if (nodeType == ContactType.repeater.value) {
+      unawaited(_requestRepeaterStatus(publicKey));
+      unawaited(_maybeRequestRepeaterOwnerInfo(publicKey));
+    }
+
+    if (contactsProvider.shouldEnrichPendingAdvert(publicKey)) {
+      unawaited(connectionProvider.previewContact(publicKey));
+    }
+  }
+
   /// Get app statistics
   Map<String, dynamic> get statistics {
     return {

lib/providers/connection_provider.dart

@@ -1,5 +1,7 @@
 import 'dart:async';
 import 'dart:convert';
+import 'dart:math';
+import 'dart:typed_data';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:flutter_blue_plus/flutter_blue_plus.dart';
@@ -55,8 +57,21 @@ class ScannedDevice {
   ScannedDevice({required this.device, required this.rssi});
 }
 
+enum ContactReceiveSource { sync, requestedSingle, preview, advert }
+
+class _PendingContactRequest {
+  final ContactReceiveSource source;
+  final DateTime requestedAt;
+
+  const _PendingContactRequest({
+    required this.source,
+    required this.requestedAt,
+  });
+}
+
 /// Connection Provider - manages MeshCore device connection (BLE or TCP/WiFi)
 class ConnectionProvider with ChangeNotifier {
+  static const int _controlTypeNodeDiscoverReq = 0x80;
   final MeshCoreBleService _bleService = MeshCoreBleService();
   final SseServerService _sseServer = SseServerService();
   MeshCoreTcpService? _tcpService;
@@ -145,6 +160,13 @@ class ConnectionProvider with ChangeNotifier {
   bool _isAdvertInProgress = false;
   DateTime? _lastAdvertRequestedAt;
   static const Duration _minAdvertInterval = Duration(milliseconds: 500);
+  bool _isContactsSyncInProgress = false;
+  final Map<String, _PendingContactRequest> _pendingSingleContactRequests = {};
+  final Map<String, DateTime> _previewContactMisses = {};
+  static const Duration _singleContactRequestWindow = Duration(seconds: 10);
+  static const Duration _previewContactMissTtl = Duration(minutes: 10);
+  bool _suppressNextPreviewNotFoundError = false;
+  bool? _supportsAutoaddConfig;
 
   // Helper instances
   final RoomLoginManager _roomLoginManager = RoomLoginManager();
@@ -162,6 +184,7 @@ class ConnectionProvider with ChangeNotifier {
 
   // Callbacks for other providers
   Function(Contact)? onContactReceived;
+  Function(Contact, ContactReceiveSource)? onContactReceivedDetailed;
   Function(List<Contact>)? onContactsComplete;
   Function(Message)? onMessageReceived;
   Function(Uint8List publicKey, Uint8List lppData)? onTelemetryReceived;
@@ -189,6 +212,8 @@ class ConnectionProvider with ChangeNotifier {
   onMessageEchoDetected;
   Function(Uint8List publicKeyPrefix, Uint8List statusData)? onStatusResponse;
   Function(Uint8List payload, int snrRaw, int rssiDbm)? onRawDataReceived;
+  Function(Uint8List payload, int snrRaw, int rssiDbm, int pathLen)?
+  onControlDataReceived;
   Contact? Function(Uint8List contactPublicKey)? resolveContactForDmCallback;
   bool Function()? canStartAutomaticMessageSyncCallback;
 
@@ -241,6 +266,10 @@ class ConnectionProvider with ChangeNotifier {
     };
 
     service.onError = (error, {int? errorCode}) {
+      if (errorCode == 2 && _suppressNextPreviewNotFoundError) {
+        _suppressNextPreviewNotFoundError = false;
+        return;
+      }
       debugPrint('⚠️ [Provider] Error received: $error');
       _error = error;
       if (_deviceInfo.connectionState != ConnectionState.connected) {
@@ -252,9 +281,21 @@ class ConnectionProvider with ChangeNotifier {
     };
 
     service.onContactNotFound = (contactPublicKey) async {
-      debugPrint('🔧 [Provider] Contact not found - initiating auto-recovery');
       if (contactPublicKey == null) return;
 
+      final keyHex = _publicKeyToHex(contactPublicKey);
+      final request = _pendingSingleContactRequests.remove(keyHex);
+      if (request?.source == ContactReceiveSource.preview) {
+        _previewContactMisses[keyHex] = DateTime.now();
+        _suppressNextPreviewNotFoundError = true;
+        debugPrint(
+          '🔧 [Provider] Preview contact not found, suppressing retries for $keyHex',
+        );
+        return;
+      }
+
+      debugPrint('🔧 [Provider] Contact not found - initiating auto-recovery');
+
       final operationId = contactPublicKey
           .sublist(0, 6)
           .map((b) => b.toRadixString(16).padLeft(2, '0'))
@@ -288,11 +329,14 @@ class ConnectionProvider with ChangeNotifier {
 
     service.onContactReceived = (contact) {
       debugPrint('📥 [Provider] Contact received: "${contact.advName}"');
+      final source = _classifyContactReceiveSource(contact.publicKey);
+      onContactReceivedDetailed?.call(contact, source);
       onContactReceived?.call(contact);
     };
 
     service.onContactsComplete = (contacts) {
       debugPrint('📥 [Provider] Contacts sync complete: ${contacts.length}');
+      _isContactsSyncInProgress = false;
       if (_contactsSyncCompleter != null &&
           !_contactsSyncCompleter!.isCompleted) {
         _contactsSyncCompleter!.complete();
@@ -408,6 +452,8 @@ class ConnectionProvider with ChangeNotifier {
 
     service.onRawDataReceived = (payload, snrRaw, rssiDbm) =>
         onRawDataReceived?.call(payload, snrRaw, rssiDbm);
+    service.onControlDataReceived = (payload, snrRaw, rssiDbm, pathLen) =>
+        onControlDataReceived?.call(payload, snrRaw, rssiDbm, pathLen);
 
     service.onDeviceInfoReceived = (deviceInfo) {
       debugPrint('📥 [Provider] DeviceInfo received');
@@ -481,6 +527,17 @@ class ConnectionProvider with ChangeNotifier {
       notifyListeners();
     };
 
+    service.onAutoaddConfigReceived = (config) {
+      _deviceInfo = _deviceInfo.copyWith(
+        autoAddUsers: config['autoAddUsers'] as bool?,
+        autoAddRepeaters: config['autoAddRepeaters'] as bool?,
+        autoAddRoomServers: config['autoAddRoomServers'] as bool?,
+        autoAddSensors: config['autoAddSensors'] as bool?,
+        autoAddOverwriteOldest: config['autoAddOverwriteOldest'] as bool?,
+      );
+      notifyListeners();
+    };
+
     service.onTxActivity = () {
       _txActivity = true;
       notifyListeners();
@@ -600,6 +657,7 @@ class ConnectionProvider with ChangeNotifier {
       connectionState: ConnectionState.connecting,
     );
     _error = null;
+    _supportsAutoaddConfig = null;
     _resetSyncState();
     debugPrint('✅ [Provider] Device info updated to connecting state');
     notifyListeners();
@@ -630,6 +688,7 @@ class ConnectionProvider with ChangeNotifier {
       connectionState: ConnectionState.connecting,
     );
     _error = null;
+    _supportsAutoaddConfig = null;
     notifyListeners();
 
     // Create fresh TCP service and wire its callbacks
@@ -658,6 +717,7 @@ class ConnectionProvider with ChangeNotifier {
     }
     _tcpHost = null;
     _connectionMode = ConnectionMode.ble;
+    _supportsAutoaddConfig = null;
     _resetSyncState();
     _deviceInfo = DeviceInfo(connectionState: ConnectionState.disconnected);
     _roomLoginManager.clearRoomLoginStates();
@@ -681,6 +741,7 @@ class ConnectionProvider with ChangeNotifier {
 
     await _bleService.disconnect();
 
+    _supportsAutoaddConfig = null;
     _resetSyncState();
     _deviceInfo = DeviceInfo(connectionState: ConnectionState.disconnected);
     _roomLoginManager.clearRoomLoginStates();
@@ -761,6 +822,7 @@ class ConnectionProvider with ChangeNotifier {
     }
 
     try {
+      _isContactsSyncInProgress = true;
       _contactsSyncCompleter = Completer<void>();
       await _activeService.getContacts();
       await _contactsSyncCompleter!.future.timeout(
@@ -772,9 +834,11 @@ class ConnectionProvider with ChangeNotifier {
         },
       );
     } catch (e) {
+      _isContactsSyncInProgress = false;
       _error = 'Failed to get contacts: $e';
       notifyListeners();
     } finally {
+      _isContactsSyncInProgress = false;
       _contactsSyncCompleter = null;
     }
   }
@@ -793,6 +857,10 @@ class ConnectionProvider with ChangeNotifier {
     }
 
     try {
+      _markSingleContactRequested(
+        publicKey,
+        source: ContactReceiveSource.requestedSingle,
+      );
       await _activeService.getContactByKey(publicKey);
     } catch (e) {
       _error = 'Failed to get contact: $e';
@@ -800,11 +868,81 @@ class ConnectionProvider with ChangeNotifier {
         '⚠️ [Provider] Failed to get contact by key, falling back to full contact sync',
       );
       // Fallback to full contact sync if command not supported
+      _isContactsSyncInProgress = true;
       await _activeService.getContacts();
       notifyListeners();
     }
   }
 
+  Future<void> previewContact(Uint8List publicKey) async {
+    if (!_activeService.isConnected) {
+      return;
+    }
+    _prunePreviewContactMisses();
+    final keyHex = _publicKeyToHex(publicKey);
+    if (_previewContactMisses.containsKey(keyHex)) {
+      return;
+    }
+
+    try {
+      _markSingleContactRequested(
+        publicKey,
+        source: ContactReceiveSource.preview,
+      );
+      await _activeService.getContactByKey(publicKey);
+    } catch (e) {
+      debugPrint(
+        '⚠️ [Provider] Preview contact fetch failed for ${_publicKeyToHex(publicKey)}: $e',
+      );
+    }
+  }
+
+  ContactReceiveSource _classifyContactReceiveSource(Uint8List publicKey) {
+    _prunePendingSingleContactRequests();
+    final keyHex = _publicKeyToHex(publicKey);
+    if (_isContactsSyncInProgress) {
+      return ContactReceiveSource.sync;
+    }
+    final request = _pendingSingleContactRequests.remove(keyHex);
+    if (request != null &&
+        DateTime.now().difference(request.requestedAt) <=
+            _singleContactRequestWindow) {
+      return request.source;
+    }
+    return ContactReceiveSource.advert;
+  }
+
+  void _markSingleContactRequested(
+    Uint8List publicKey, {
+    required ContactReceiveSource source,
+  }) {
+    _prunePendingSingleContactRequests();
+    _pendingSingleContactRequests[_publicKeyToHex(publicKey)] =
+        _PendingContactRequest(source: source, requestedAt: DateTime.now());
+  }
+
+  void _prunePendingSingleContactRequests() {
+    if (_pendingSingleContactRequests.isEmpty) {
+      return;
+    }
+
+    final now = DateTime.now();
+    _pendingSingleContactRequests.removeWhere(
+      (_, request) =>
+          now.difference(request.requestedAt) > _singleContactRequestWindow,
+    );
+  }
+
+  void _prunePreviewContactMisses() {
+    if (_previewContactMisses.isEmpty) {
+      return;
+    }
+    final now = DateTime.now();
+    _previewContactMisses.removeWhere(
+      (_, timestamp) => now.difference(timestamp) > _previewContactMissTtl,
+    );
+  }
+
   /// Sync all channels from device
   Future<void> syncChannels({int? maxChannels}) async {
     if (!_activeService.isConnected) {
@@ -1656,6 +1794,40 @@ class ConnectionProvider with ChangeNotifier {
     }
   }
 
+  Future<void> discoverNodeType({
+    required int advertType,
+    bool prefixOnly = false,
+    int since = 0,
+  }) async {
+    if (!_activeService.isConnected) {
+      _error = 'Not connected to device';
+      notifyListeners();
+      return;
+    }
+
+    final random = Random.secure();
+    final tagBytes = Uint8List.fromList(
+      List<int>.generate(4, (_) => random.nextInt(256)),
+    );
+    final payload = BytesBuilder(copy: false)
+      ..addByte(_controlTypeNodeDiscoverReq | (prefixOnly ? 0x01 : 0x00))
+      ..addByte(1 << advertType)
+      ..add(tagBytes)
+      ..add([
+        since & 0xFF,
+        (since >> 8) & 0xFF,
+        (since >> 16) & 0xFF,
+        (since >> 24) & 0xFF,
+      ]);
+
+    try {
+      await _activeService.sendControlData(payload.toBytes());
+    } catch (e) {
+      _error = 'Failed to send node discovery request: $e';
+      notifyListeners();
+    }
+  }
+
   /// Get device time from companion radio to detect clock drift
   Future<void> getDeviceTime() async {
     if (!_activeService.isConnected) {
@@ -1892,6 +2064,80 @@ class ConnectionProvider with ChangeNotifier {
     }
   }
 
+  Future<void> getAutoaddConfig() async {
+    if (_supportsAutoaddConfig == false) {
+      return;
+    }
+    if (!_activeService.isConnected) {
+      _error = 'Not connected to device';
+      notifyListeners();
+      return;
+    }
+
+    try {
+      final config = await _activeService.getAutoaddConfig();
+      _supportsAutoaddConfig = true;
+      _deviceInfo = _deviceInfo.copyWith(
+        autoAddUsers: config['autoAddUsers'] as bool?,
+        autoAddRepeaters: config['autoAddRepeaters'] as bool?,
+        autoAddRoomServers: config['autoAddRoomServers'] as bool?,
+        autoAddSensors: config['autoAddSensors'] as bool?,
+        autoAddOverwriteOldest: config['autoAddOverwriteOldest'] as bool?,
+      );
+      notifyListeners();
+    } catch (e) {
+      if (_isUnsupportedAutoaddConfigError(e)) {
+        _supportsAutoaddConfig = false;
+        _deviceInfo = _deviceInfo.copyWith(
+          autoAddUsers: null,
+          autoAddRepeaters: null,
+          autoAddRoomServers: null,
+          autoAddSensors: null,
+          autoAddOverwriteOldest: null,
+        );
+        notifyListeners();
+        return;
+      }
+      _error = 'Failed to get auto-add config: $e';
+      notifyListeners();
+    }
+  }
+
+  Future<void> setAutoaddConfig({
+    required bool autoAddUsers,
+    required bool autoAddRepeaters,
+    required bool autoAddRoomServers,
+    required bool autoAddSensors,
+    required bool overwriteOldest,
+  }) async {
+    if (!_activeService.isConnected) {
+      _error = 'Not connected to device';
+      notifyListeners();
+      return;
+    }
+
+    try {
+      await _activeService.setAutoaddConfig(
+        autoAddUsers: autoAddUsers,
+        autoAddRepeaters: autoAddRepeaters,
+        autoAddRoomServers: autoAddRoomServers,
+        autoAddSensors: autoAddSensors,
+        overwriteOldest: overwriteOldest,
+      );
+      _deviceInfo = _deviceInfo.copyWith(
+        autoAddUsers: autoAddUsers,
+        autoAddRepeaters: autoAddRepeaters,
+        autoAddRoomServers: autoAddRoomServers,
+        autoAddSensors: autoAddSensors,
+        autoAddOverwriteOldest: overwriteOldest,
+      );
+      notifyListeners();
+    } catch (e) {
+      _error = 'Failed to set auto-add config: $e';
+      notifyListeners();
+    }
+  }
+
   /// Request fresh device info (triggers SelfInfo response)
   Future<void> refreshDeviceInfo() async {
     if (_isSpectrumScanActive) return;
@@ -1904,14 +2150,35 @@ class ConnectionProvider with ChangeNotifier {
     try {
       // The device query command triggers a SelfInfo response
       await _activeService.refreshDeviceInfo();
-      // Also request allowed repeat frequencies (firmware v9+, no-op on older firmware)
+      if (_supportsAutoaddConfig != false) {
+        try {
+          await _activeService.getAutoaddConfig();
+          _supportsAutoaddConfig = true;
+        } catch (e) {
+          if (_isUnsupportedAutoaddConfigError(e)) {
+            _supportsAutoaddConfig = false;
+          } else {
+            rethrow;
+          }
+        }
+      }
+      try {
         await _activeService.getAllowedRepeatFreq();
+      } catch (_) {
+        // Older firmware may not expose repeat frequency ranges.
+      }
     } catch (e) {
       _error = 'Failed to refresh device info: $e';
       notifyListeners();
     }
   }
 
+  bool _isUnsupportedAutoaddConfigError(Object error) {
+    final message = error.toString().toLowerCase();
+    return message.contains('illegal argument') ||
+        message.contains('unsupported');
+  }
+
   /// Request battery and storage information
   ///
   /// Queries the companion radio for:
@@ -2195,6 +2462,28 @@ class ConnectionProvider with ChangeNotifier {
     }
   }
 
+  Future<({int tag, int suggestedTimeoutMs})?> sendAnonRequest({
+    required Uint8List contactPublicKey,
+    required Uint8List requestData,
+  }) async {
+    if (!_activeService.isConnected) {
+      _error = 'Not connected to device';
+      notifyListeners();
+      return null;
+    }
+
+    try {
+      return await _activeService.sendAnonRequest(
+        contactPublicKey: contactPublicKey,
+        requestData: requestData,
+      );
+    } catch (e) {
+      _error = 'Failed to send anonymous request: $e';
+      notifyListeners();
+      return null;
+    }
+  }
+
   /// Reset routing path for a contact
   ///
   /// Clears the learned path to a contact, forcing the next message to use

lib/providers/contacts_provider.dart

@@ -13,14 +13,40 @@ import '../utils/key_comparison.dart';
 class PendingAdvert {
   final Uint8List publicKey;
   final DateTime receivedAt;
+  final String? advName;
+  final int? typeValue;
+  final int? flags;
+  final int? lastAdvert;
+  final int? advLat;
+  final int? advLon;
   final int? signedEncodedPathLen;
   final Uint8List? paddedPathBytes;
+  final int? rxRssiDbm;
+  final int? rxSnrRaw;
+  final int? repeaterBatteryMv;
+  final int? repeaterQueueLen;
+  final int? repeaterLastRssi;
+  final int? repeaterLastSnrRaw;
+  final int? repeaterUptimeSecs;
 
   const PendingAdvert({
     required this.publicKey,
     required this.receivedAt,
+    this.advName,
+    this.typeValue,
+    this.flags,
+    this.lastAdvert,
+    this.advLat,
+    this.advLon,
     this.signedEncodedPathLen,
     this.paddedPathBytes,
+    this.rxRssiDbm,
+    this.rxSnrRaw,
+    this.repeaterBatteryMv,
+    this.repeaterQueueLen,
+    this.repeaterLastRssi,
+    this.repeaterLastSnrRaw,
+    this.repeaterUptimeSecs,
   });
 
   String get publicKeyHex =>
@@ -34,16 +60,55 @@ class PendingAdvert {
   PendingAdvert copyWith({
     Uint8List? publicKey,
     DateTime? receivedAt,
+    String? advName,
+    int? typeValue,
+    int? flags,
+    int? lastAdvert,
+    int? advLat,
+    int? advLon,
     int? signedEncodedPathLen,
     Uint8List? paddedPathBytes,
+    int? rxRssiDbm,
+    int? rxSnrRaw,
+    int? repeaterBatteryMv,
+    int? repeaterQueueLen,
+    int? repeaterLastRssi,
+    int? repeaterLastSnrRaw,
+    int? repeaterUptimeSecs,
   }) {
     return PendingAdvert(
       publicKey: publicKey ?? this.publicKey,
       receivedAt: receivedAt ?? this.receivedAt,
+      advName: advName ?? this.advName,
+      typeValue: typeValue ?? this.typeValue,
+      flags: flags ?? this.flags,
+      lastAdvert: lastAdvert ?? this.lastAdvert,
+      advLat: advLat ?? this.advLat,
+      advLon: advLon ?? this.advLon,
       signedEncodedPathLen: signedEncodedPathLen ?? this.signedEncodedPathLen,
       paddedPathBytes: paddedPathBytes ?? this.paddedPathBytes,
+      rxRssiDbm: rxRssiDbm ?? this.rxRssiDbm,
+      rxSnrRaw: rxSnrRaw ?? this.rxSnrRaw,
+      repeaterBatteryMv: repeaterBatteryMv ?? this.repeaterBatteryMv,
+      repeaterQueueLen: repeaterQueueLen ?? this.repeaterQueueLen,
+      repeaterLastRssi: repeaterLastRssi ?? this.repeaterLastRssi,
+      repeaterLastSnrRaw: repeaterLastSnrRaw ?? this.repeaterLastSnrRaw,
+      repeaterUptimeSecs: repeaterUptimeSecs ?? this.repeaterUptimeSecs,
     );
   }
+
+  double? get repeaterBatteryPercent {
+    if (repeaterBatteryMv == null) return null;
+    final voltage = repeaterBatteryMv! / 1000.0;
+    if (voltage <= 3.0) return 0.0;
+    if (voltage >= 4.2) return 100.0;
+    return ((voltage - 3.0) / 1.2) * 100.0;
+  }
+
+  double? get repeaterLastSnr =>
+      repeaterLastSnrRaw == null ? null : repeaterLastSnrRaw! / 4.0;
+
+  double? get rxSnr => rxSnrRaw == null ? null : rxSnrRaw! / 4.0;
 }
 
 class _RetainedRoute {
@@ -257,6 +322,28 @@ class ContactsProvider with ChangeNotifier {
       _pendingAdverts.values.toList()
         ..sort((a, b) => b.receivedAt.compareTo(a.receivedAt));
 
+  PendingAdvert? pendingAdvertByKey(Uint8List publicKey) {
+    final keyHex = publicKey
+        .map((b) => b.toRadixString(16).padLeft(2, '0'))
+        .join('');
+    return _pendingAdverts[keyHex];
+  }
+
+  bool shouldEnrichPendingAdvert(Uint8List publicKey) {
+    final advert = pendingAdvertByKey(publicKey);
+    if (advert == null) {
+      return false;
+    }
+
+    final hasName = advert.advName?.trim().isNotEmpty ?? false;
+    final hasType = advert.typeValue != null && advert.typeValue != 0;
+    final hasLocation =
+        advert.advLat != null &&
+        advert.advLon != null &&
+        (advert.advLat != 0 || advert.advLon != 0);
+    return !(hasName && hasType && hasLocation);
+  }
+
   List<SavedContactGroup> savedGroupsForSection(String sectionKey) {
     return savedContactGroups
         .where((group) => group.sectionKey == sectionKey)
@@ -466,7 +553,6 @@ class ContactsProvider with ChangeNotifier {
     );
 
     _contacts[contact.publicKeyHex] = updatedContact;
-    _pendingAdverts.remove(contact.publicKeyHex);
     debugPrint(
       '   ✅ Contact added/updated. Total contacts: ${_contacts.length}, channels: ${channels.length}',
     );
@@ -495,7 +581,6 @@ class ContactsProvider with ChangeNotifier {
         incomingContact: contact,
         existingContact: existingContact,
       );
-      _pendingAdverts.remove(contact.publicKeyHex);
     }
     if (excluded > 0) {
       debugPrint(
@@ -1095,7 +1180,7 @@ class ContactsProvider with ChangeNotifier {
   }
 
   /// Add or refresh a pending advert entry from PUSH_CODE_ADVERT (0x80).
-  /// Excludes self key and existing contacts.
+  /// Excludes only self key; known contacts still keep a discovery entry.
   bool addPendingAdvert(Uint8List publicKey, {Uint8List? devicePublicKey}) {
     if (devicePublicKey != null && publicKey.matches(devicePublicKey)) {
       return false;
@@ -1104,12 +1189,6 @@ class ContactsProvider with ChangeNotifier {
     final keyHex = publicKey
         .map((b) => b.toRadixString(16).padLeft(2, '0'))
         .join('');
-    if (_contacts.containsKey(keyHex)) {
-      _pendingAdverts.remove(keyHex);
-      _persistPendingAdverts();
-      return false;
-    }
-
     final existing = _pendingAdverts[keyHex];
     final now = DateTime.now();
     if (existing != null) {
@@ -1128,6 +1207,99 @@ class ContactsProvider with ChangeNotifier {
     }
   }
 
+  bool addOrUpdatePendingAdvertContact(
+    Contact contact, {
+    Uint8List? devicePublicKey,
+  }) {
+    if (devicePublicKey != null && contact.publicKey.matches(devicePublicKey)) {
+      return false;
+    }
+
+    final keyHex = contact.publicKeyHex;
+    final route = ContactRouteCodec.fromContact(contact);
+    final existing = _pendingAdverts[keyHex];
+    final now = DateTime.now();
+    final updated =
+        (existing ??
+                PendingAdvert(
+                  publicKey: Uint8List.fromList(contact.publicKey),
+                  receivedAt: now,
+                ))
+            .copyWith(
+              receivedAt: now,
+              advName: contact.advName.trim().isEmpty ? null : contact.advName,
+              typeValue: contact.type.value,
+              flags: contact.flags,
+              lastAdvert: contact.lastAdvert,
+              advLat: contact.advLat,
+              advLon: contact.advLon,
+              signedEncodedPathLen:
+                  route?.signedEncodedPathLen ?? existing?.signedEncodedPathLen,
+              paddedPathBytes: route?.paddedPathBytes == null
+                  ? existing?.paddedPathBytes
+                  : Uint8List.fromList(route!.paddedPathBytes),
+            );
+
+    _pendingAdverts[keyHex] = updated;
+    _persistPendingAdverts();
+    notifyListeners();
+    return existing == null;
+  }
+
+  bool addOrUpdatePendingAdvertMetadata({
+    required Uint8List publicKey,
+    required int typeValue,
+    Uint8List? devicePublicKey,
+    int? flags,
+    String? advName,
+    int? lastAdvert,
+    int? advLat,
+    int? advLon,
+    int? signedEncodedPathLen,
+    Uint8List? paddedPathBytes,
+    int? rxRssiDbm,
+    int? rxSnrRaw,
+    DateTime? receivedAt,
+  }) {
+    if (devicePublicKey != null && publicKey.matches(devicePublicKey)) {
+      return false;
+    }
+
+    final keyHex = publicKey
+        .map((b) => b.toRadixString(16).padLeft(2, '0'))
+        .join('');
+    final existing = _pendingAdverts[keyHex];
+    final nextReceivedAt = receivedAt ?? DateTime.now();
+    _pendingAdverts[keyHex] =
+        (existing ??
+                PendingAdvert(
+                  publicKey: Uint8List.fromList(publicKey),
+                  receivedAt: nextReceivedAt,
+                ))
+            .copyWith(
+              receivedAt: nextReceivedAt,
+              typeValue: typeValue,
+              advName: advName?.trim().isNotEmpty == true
+                  ? advName!.trim()
+                  : existing?.advName,
+              flags: flags ?? existing?.flags,
+              lastAdvert: lastAdvert ?? existing?.lastAdvert,
+              advLat: advLat ?? existing?.advLat,
+              advLon: advLon ?? existing?.advLon,
+              signedEncodedPathLen:
+                  signedEncodedPathLen ?? existing?.signedEncodedPathLen,
+              paddedPathBytes: paddedPathBytes == null
+                  ? existing?.paddedPathBytes
+                  : Uint8List.fromList(paddedPathBytes),
+              rxRssiDbm: rxRssiDbm ?? existing?.rxRssiDbm,
+              rxSnrRaw: rxSnrRaw ?? existing?.rxSnrRaw,
+            );
+
+    _persistPendingAdverts();
+    notifyListeners();
+    return existing == null;
+  }
+
   /// Find contact by name
   Contact? findContactByName(String name) {
     for (final contact in _contacts.values) {
@@ -1220,6 +1392,45 @@ class ContactsProvider with ChangeNotifier {
     await _storageService.saveContacts(_contactsForStorage());
   }
 
+  Future<void> clearPendingAdverts() async {
+    if (_pendingAdverts.isEmpty) {
+      return;
+    }
+    _pendingAdverts.clear();
+    await _storageService.clearPendingAdverts();
+    notifyListeners();
+  }
+
+  void updatePendingAdvertStatusByPrefix(
+    Uint8List publicKeyPrefix, {
+    int? batteryMv,
+    int? queueLen,
+    int? lastRssi,
+    int? lastSnrRaw,
+    int? uptimeSecs,
+  }) {
+    final prefixHex = publicKeyPrefix
+        .map((b) => b.toRadixString(16).padLeft(2, '0'))
+        .join('');
+    final match = _pendingAdverts.entries.where(
+      (entry) => entry.key.startsWith(prefixHex),
+    );
+    if (match.isEmpty) {
+      return;
+    }
+    final key = match.first.key;
+    final existing = _pendingAdverts[key]!;
+    _pendingAdverts[key] = existing.copyWith(
+      repeaterBatteryMv: batteryMv,
+      repeaterQueueLen: queueLen,
+      repeaterLastRssi: lastRssi,
+      repeaterLastSnrRaw: lastSnrRaw,
+      repeaterUptimeSecs: uptimeSecs,
+    );
+    _persistPendingAdverts();
+    notifyListeners();
+  }
+
   List<Contact> _contactsForStorage() {
     // Don't persist the public channel pseudo-contact (all zeros key)
     const publicChannelKey =
@@ -1253,10 +1464,23 @@ class ContactsProvider with ChangeNotifier {
     return {
       'publicKey': base64Encode(advert.publicKey),
       'receivedAtMillis': advert.receivedAt.millisecondsSinceEpoch,
+      'advName': advert.advName,
+      'typeValue': advert.typeValue,
+      'flags': advert.flags,
+      'lastAdvert': advert.lastAdvert,
+      'advLat': advert.advLat,
+      'advLon': advert.advLon,
       'signedEncodedPathLen': advert.signedEncodedPathLen,
       'paddedPathBytes': advert.paddedPathBytes == null
           ? null
           : base64Encode(advert.paddedPathBytes!),
+      'rxRssiDbm': advert.rxRssiDbm,
+      'rxSnrRaw': advert.rxSnrRaw,
+      'repeaterBatteryMv': advert.repeaterBatteryMv,
+      'repeaterQueueLen': advert.repeaterQueueLen,
+      'repeaterLastRssi': advert.repeaterLastRssi,
+      'repeaterLastSnrRaw': advert.repeaterLastSnrRaw,
+      'repeaterUptimeSecs': advert.repeaterUptimeSecs,
     };
   }
 
@@ -1269,12 +1493,25 @@ class ContactsProvider with ChangeNotifier {
         receivedAt: DateTime.fromMillisecondsSinceEpoch(
           json['receivedAtMillis'] as int,
         ),
+        advName: json['advName'] as String?,
+        typeValue: json['typeValue'] as int?,
+        flags: json['flags'] as int?,
+        lastAdvert: json['lastAdvert'] as int?,
+        advLat: json['advLat'] as int?,
+        advLon: json['advLon'] as int?,
         signedEncodedPathLen: json['signedEncodedPathLen'] as int?,
         paddedPathBytes: json['paddedPathBytes'] == null
             ? null
             : Uint8List.fromList(
                 base64Decode(json['paddedPathBytes'] as String),
               ),
+        rxRssiDbm: json['rxRssiDbm'] as int?,
+        rxSnrRaw: json['rxSnrRaw'] as int?,
+        repeaterBatteryMv: json['repeaterBatteryMv'] as int?,
+        repeaterQueueLen: json['repeaterQueueLen'] as int?,
+        repeaterLastRssi: json['repeaterLastRssi'] as int?,
+        repeaterLastSnrRaw: json['repeaterLastSnrRaw'] as int?,
+        repeaterUptimeSecs: json['repeaterUptimeSecs'] as int?,
       );
     } catch (e) {
       debugPrint(

lib/screens/device_config_screen.dart

@@ -180,15 +180,23 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
   bool _telemetryEnabled = false;
   bool _repeatEnabled = false;
   bool _autoAddDiscoveredContactsEnabled = true;
+  bool _autoAddUsersEnabled = true;
+  bool _autoAddRepeatersEnabled = true;
+  bool _autoAddRoomServersEnabled = true;
+  bool _autoAddSensorsEnabled = true;
+  bool _overwriteOldestAutoAddEnabled = false;
   bool _showCustomRadioSettings = false;
   bool _isSavingPublicInfo = false;
   bool _isSavingRadioSettings = false;
+  bool _isSavingAutoDiscoverySettings = false;
   bool _isClearingContacts = false;
   bool _isClearingChannels = false;
   bool _publicInfoSaved = false;
   bool _radioSettingsSaved = false;
+  bool _autoDiscoverySettingsSaved = false;
   String? _publicInfoError;
   String? _radioSettingsError;
+  String? _autoDiscoverySettingsError;
   String _selectedBandwidth = '62.5 kHz';
   int _selectedSpreadingFactor = 8;
   int _selectedCodingRate = 8;
@@ -267,6 +275,12 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
     _repeatEnabled = deviceInfo.clientRepeat ?? false;
     _autoAddDiscoveredContactsEnabled =
         !(deviceInfo.manualAddContacts ?? false);
+    _autoAddUsersEnabled = deviceInfo.autoAddUsers ?? true;
+    _autoAddRepeatersEnabled = deviceInfo.autoAddRepeaters ?? true;
+    _autoAddRoomServersEnabled = deviceInfo.autoAddRoomServers ?? true;
+    _autoAddSensorsEnabled = deviceInfo.autoAddSensors ?? true;
+    _overwriteOldestAutoAddEnabled =
+        deviceInfo.autoAddOverwriteOldest ?? false;
 
     // Fetch allowed repeat frequencies on open if device supports repeat mode
     if (deviceInfo.clientRepeat != null &&
@@ -278,6 +292,7 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
 
     WidgetsBinding.instance.addPostFrameCallback((_) {
       context.read<ConnectionProvider>().getBatteryAndStorage();
+      context.read<ConnectionProvider>().getAutoaddConfig();
     });
   }
 
@@ -390,6 +405,15 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
     }
   }
 
+  void _markAutoDiscoverySettingsDirty() {
+    if (_autoDiscoverySettingsSaved || _autoDiscoverySettingsError != null) {
+      setState(() {
+        _autoDiscoverySettingsSaved = false;
+        _autoDiscoverySettingsError = null;
+      });
+    }
+  }
+
   Future<void> _savePublicInfo() async {
     final connectionProvider = context.read<ConnectionProvider>();
     final validator = ValidationService();
@@ -401,7 +425,8 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
     });
 
     try {
-      final manualAddContacts = _autoAddDiscoveredContactsEnabled ? 0 : 1;
+      final manualAddContacts =
+          (connectionProvider.deviceInfo.manualAddContacts ?? false) ? 1 : 0;
 
       // Save name
       if (_nameController.text.isNotEmpty) {
@@ -553,6 +578,49 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
     }
   }
 
+  Future<void> _saveAutoDiscoverySettings() async {
+    final connectionProvider = context.read<ConnectionProvider>();
+
+    setState(() {
+      _isSavingAutoDiscoverySettings = true;
+      _autoDiscoverySettingsSaved = false;
+      _autoDiscoverySettingsError = null;
+    });
+
+    try {
+      await connectionProvider.setOtherParams(
+        manualAddContacts: _autoAddDiscoveredContactsEnabled ? 0 : 1,
+        telemetryModes: connectionProvider.deviceInfo.telemetryModes ?? 0,
+        advertLocationPolicy: connectionProvider.deviceInfo.advertLocPolicy ?? 0,
+        multiAcks: connectionProvider.deviceInfo.multiAcks ?? 0,
+      );
+      await connectionProvider.setAutoaddConfig(
+        autoAddUsers: _autoAddUsersEnabled,
+        autoAddRepeaters: _autoAddRepeatersEnabled,
+        autoAddRoomServers: _autoAddRoomServersEnabled,
+        autoAddSensors: _autoAddSensorsEnabled,
+        overwriteOldest: _overwriteOldestAutoAddEnabled,
+      );
+      await connectionProvider.refreshDeviceInfo();
+
+      if (mounted) {
+        setState(() {
+          _isSavingAutoDiscoverySettings = false;
+          _autoDiscoverySettingsSaved = true;
+        });
+      }
+    } catch (e) {
+      if (mounted) {
+        setState(() {
+          _isSavingAutoDiscoverySettings = false;
+          _autoDiscoverySettingsError = AppLocalizations.of(
+            context,
+          )!.failedToSave(e.toString());
+        });
+      }
+    }
+  }
+
   Future<void> _useCurrentLocation() async {
     try {
       bool serviceEnabled = await Geolocator.isLocationServiceEnabled();
@@ -997,9 +1065,10 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
               ),
               const SizedBox(height: 20),
               _ConfigSectionCard(
-                title: AppLocalizations.of(context)!.publicInfo,
+                title: 'Auto discovery',
-                subtitle: 'Choose the name and location this device shares.',
+                subtitle:
-                icon: Icons.public_rounded,
+                    'Control how the radio auto-adds discovered nodes to its contacts table.',
+                icon: Icons.person_search_rounded,
                 child: Column(
                   crossAxisAlignment: CrossAxisAlignment.start,
                   children: [
@@ -1007,9 +1076,9 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                       icon: _autoAddDiscoveredContactsEnabled
                           ? Icons.person_add_alt_1
                           : Icons.person_add_disabled,
-                      title: 'Auto-add discovered contacts',
+                      title: 'Enable automatic adding',
                       description:
-                          'Control whether the device automatically stores newly discovered contacts.',
+                          'Turn this off to keep discoveries manual-only on the radio.',
                       accentColor: _autoAddDiscoveredContactsEnabled
                           ? colorScheme.primary
                           : colorScheme.onSurfaceVariant,
@@ -1018,13 +1087,148 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                         onChanged: (value) {
                           setState(() {
                             _autoAddDiscoveredContactsEnabled = value;
-                            _publicInfoSaved = false;
+                            _markAutoDiscoverySettingsDirty();
-                            _publicInfoError = null;
                           });
                         },
                       ),
                     ),
                     const SizedBox(height: 18),
+                    _SettingHighlightCard(
+                      icon: Icons.person_outline_rounded,
+                      title: 'Auto-add users',
+                      description:
+                          'Automatically store discovered user/chat nodes.',
+                      accentColor: _autoAddUsersEnabled
+                          ? colorScheme.primary
+                          : colorScheme.onSurfaceVariant,
+                      trailing: Switch(
+                        value: _autoAddUsersEnabled,
+                        onChanged: _autoAddDiscoveredContactsEnabled
+                            ? (value) {
+                                setState(() {
+                                  _autoAddUsersEnabled = value;
+                                  _markAutoDiscoverySettingsDirty();
+                                });
+                              }
+                            : null,
+                      ),
+                    ),
+                    const SizedBox(height: 14),
+                    _SettingHighlightCard(
+                      icon: Icons.router_outlined,
+                      title: 'Auto-add repeaters',
+                      description:
+                          'Automatically store discovered repeater nodes.',
+                      accentColor: _autoAddRepeatersEnabled
+                          ? colorScheme.primary
+                          : colorScheme.onSurfaceVariant,
+                      trailing: Switch(
+                        value: _autoAddRepeatersEnabled,
+                        onChanged: _autoAddDiscoveredContactsEnabled
+                            ? (value) {
+                                setState(() {
+                                  _autoAddRepeatersEnabled = value;
+                                  _markAutoDiscoverySettingsDirty();
+                                });
+                              }
+                            : null,
+                      ),
+                    ),
+                    const SizedBox(height: 14),
+                    _SettingHighlightCard(
+                      icon: Icons.meeting_room_outlined,
+                      title: 'Auto-add room servers',
+                      description:
+                          'Automatically store discovered room/server nodes.',
+                      accentColor: _autoAddRoomServersEnabled
+                          ? colorScheme.primary
+                          : colorScheme.onSurfaceVariant,
+                      trailing: Switch(
+                        value: _autoAddRoomServersEnabled,
+                        onChanged: _autoAddDiscoveredContactsEnabled
+                            ? (value) {
+                                setState(() {
+                                  _autoAddRoomServersEnabled = value;
+                                  _markAutoDiscoverySettingsDirty();
+                                });
+                              }
+                            : null,
+                      ),
+                    ),
+                    const SizedBox(height: 14),
+                    _SettingHighlightCard(
+                      icon: Icons.sensors_outlined,
+                      title: 'Auto-add sensors',
+                      description:
+                          'Automatically store discovered sensor nodes.',
+                      accentColor: _autoAddSensorsEnabled
+                          ? colorScheme.primary
+                          : colorScheme.onSurfaceVariant,
+                      trailing: Switch(
+                        value: _autoAddSensorsEnabled,
+                        onChanged: _autoAddDiscoveredContactsEnabled
+                            ? (value) {
+                                setState(() {
+                                  _autoAddSensorsEnabled = value;
+                                  _markAutoDiscoverySettingsDirty();
+                                });
+                              }
+                            : null,
+                      ),
+                    ),
+                    const SizedBox(height: 14),
+                    _SettingHighlightCard(
+                      icon: Icons.history_toggle_off_rounded,
+                      title: 'Overwrite oldest when full',
+                      description:
+                          'Allow the radio to replace the oldest contact when storage is full.',
+                      accentColor: _overwriteOldestAutoAddEnabled
+                          ? colorScheme.primary
+                          : colorScheme.onSurfaceVariant,
+                      trailing: Switch(
+                        value: _overwriteOldestAutoAddEnabled,
+                        onChanged: _autoAddDiscoveredContactsEnabled
+                            ? (value) {
+                                setState(() {
+                                  _overwriteOldestAutoAddEnabled = value;
+                                  _markAutoDiscoverySettingsDirty();
+                                });
+                              }
+                            : null,
+                      ),
+                    ),
+                    const SizedBox(height: 18),
+                    if (_autoDiscoverySettingsError != null) ...[
+                      Text(
+                        _autoDiscoverySettingsError!,
+                        style: theme.textTheme.bodySmall?.copyWith(
+                          color: colorScheme.error,
+                        ),
+                      ),
+                      const SizedBox(height: 10),
+                    ],
+                    SizedBox(
+                      width: double.infinity,
+                      child: _SaveActionButton(
+                        onPressed: _isSavingAutoDiscoverySettings
+                            ? null
+                            : _saveAutoDiscoverySettings,
+                        isSaving: _isSavingAutoDiscoverySettings,
+                        isSaved: _autoDiscoverySettingsSaved,
+                        label: 'Save discovery settings',
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+              const SizedBox(height: 20),
+              _ConfigSectionCard(
+                title: AppLocalizations.of(context)!.publicInfo,
+                subtitle: 'Choose the name and location this device shares.',
+                icon: Icons.public_rounded,
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
                     _SettingHighlightCard(
                       icon: _telemetryEnabled
                           ? Icons.travel_explore

lib/screens/discovery_screen.dart

@@ -1,11 +1,15 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+import 'dart:typed_data';
 
 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';
+import '../widgets/compact_signal_indicator.dart' show SignalMetric;
+
+enum _DiscoveryMenuAction { repeaters, sensors }
 
 class DiscoveryScreen extends StatefulWidget {
   const DiscoveryScreen({super.key});
@@ -15,7 +19,10 @@ class DiscoveryScreen extends StatefulWidget {
 }
 
 class _DiscoveryScreenState extends State<DiscoveryScreen> {
+  static const int _repeaterAdvertType = 2;
+  static const int _sensorAdvertType = 4;
   final Set<String> _resolvingAdvertKeys = <String>{};
+  final Set<int> _runningDiscoveryTypes = <int>{};
   bool _isResolvingAll = false;
   late final Future<List<MeshMapNode>> _cachedNodesFuture;
 
@@ -27,6 +34,85 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
     );
   }
 
+  Future<void> _handleMenuAction(_DiscoveryMenuAction action) async {
+    switch (action) {
+      case _DiscoveryMenuAction.repeaters:
+        await _discoverNodeType(_repeaterAdvertType);
+        break;
+      case _DiscoveryMenuAction.sensors:
+        await _discoverNodeType(_sensorAdvertType);
+        break;
+    }
+  }
+
+  Future<void> _clearAllDiscoveries() async {
+    final pendingCount = context.read<ContactsProvider>().pendingAdverts.length;
+    if (pendingCount == 0) {
+      return;
+    }
+
+    final confirmed = await showDialog<bool>(
+      context: context,
+      builder: (dialogContext) => AlertDialog(
+        title: const Text('Clear discoveries'),
+        content: Text(
+          'Remove all $pendingCount pending discover${pendingCount == 1 ? 'y' : 'ies'} from this device?',
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.of(dialogContext).pop(false),
+            child: const Text('Cancel'),
+          ),
+          FilledButton(
+            onPressed: () => Navigator.of(dialogContext).pop(true),
+            child: const Text('Clear all'),
+          ),
+        ],
+      ),
+    );
+
+    if (confirmed != true || !mounted) {
+      return;
+    }
+
+    await context.read<ContactsProvider>().clearPendingAdverts();
+    if (!mounted) {
+      return;
+    }
+    ScaffoldMessenger.of(context).showSnackBar(
+      const SnackBar(content: Text('Cleared pending discoveries.')),
+    );
+  }
+
+  Future<void> _discoverNodeType(int advertType) async {
+    if (_runningDiscoveryTypes.contains(advertType)) return;
+
+    setState(() {
+      _runningDiscoveryTypes.add(advertType);
+    });
+
+    try {
+      await context.read<ConnectionProvider>().discoverNodeType(
+        advertType: advertType,
+      );
+      if (!mounted) return;
+      final label = switch (advertType) {
+        _repeaterAdvertType => 'Repeater discovery sent',
+        _sensorAdvertType => 'Sensor discovery sent',
+        _ => 'Discovery sent',
+      };
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(SnackBar(content: Text(label)));
+    } finally {
+      if (mounted) {
+        setState(() {
+          _runningDiscoveryTypes.remove(advertType);
+        });
+      }
+    }
+  }
+
   Future<void> _resolveAdvert(PendingAdvert advert) async {
     final keyHex = advert.publicKeyHex;
     if (_resolvingAdvertKeys.contains(keyHex)) return;
@@ -36,7 +122,22 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
     });
 
     try {
-      await context.read<ConnectionProvider>().getContact(advert.publicKey);
+      final connectionProvider = context.read<ConnectionProvider>();
+      final contactsProvider = context.read<ContactsProvider>();
+
+      await connectionProvider.getContact(advert.publicKey);
+      if (connectionProvider.error == 'Not found') {
+        connectionProvider.clearError();
+        final fallbackContact = _contactFromPendingAdvert(advert);
+        await connectionProvider.addOrUpdateContact(fallbackContact);
+        contactsProvider.addOrUpdateContact(
+          fallbackContact,
+          devicePublicKey: connectionProvider.deviceInfo.publicKey,
+        );
+      }
+      if ((advert.typeValue ?? 0) == _sensorAdvertType) {
+        await connectionProvider.requestTelemetry(advert.publicKey);
+      }
     } finally {
       if (mounted) {
         setState(() {
@@ -76,11 +177,39 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
     return l10n.daysAgo(diff.inDays);
   }
 
+  Contact _contactFromPendingAdvert(PendingAdvert advert) {
+    final lastAdvert =
+        advert.lastAdvert ?? (advert.receivedAt.millisecondsSinceEpoch ~/ 1000);
+    final advName = advert.advName?.trim().isNotEmpty == true
+        ? advert.advName!.trim()
+        : advert.shortDisplayKey;
+
+    return Contact(
+      publicKey: Uint8List.fromList(advert.publicKey),
+      type: ContactType.fromValue(advert.typeValue ?? 0),
+      flags: advert.flags ?? 0,
+      outPathLen: advert.signedEncodedPathLen ?? -1,
+      outPath: advert.paddedPathBytes == null
+          ? Uint8List(64)
+          : Uint8List.fromList(advert.paddedPathBytes!),
+      advName: advName,
+      lastAdvert: lastAdvert,
+      advLat: advert.advLat ?? 0,
+      advLon: advert.advLon ?? 0,
+      lastMod: lastAdvert,
+    );
+  }
+
   String _displayNameForAdvert(
     PendingAdvert advert,
     ContactsProvider contactsProvider,
     List<MeshMapNode> cachedNodes,
   ) {
+    final advertisedName = advert.advName?.trim();
+    if (advertisedName != null && advertisedName.isNotEmpty) {
+      return advertisedName;
+    }
+
     Contact? existingMatch;
     for (final contact in contactsProvider.contacts) {
       if (contact.publicKeyHex == advert.publicKeyHex) {
@@ -106,12 +235,144 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
     return advert.shortDisplayKey;
   }
 
+  IconData _iconForAdvert(PendingAdvert advert) {
+    return switch (advert.typeValue) {
+      _repeaterAdvertType => Icons.router_outlined,
+      _sensorAdvertType => Icons.sensors_outlined,
+      _ => Icons.campaign_outlined,
+    };
+  }
+
+  String? _typeLabelForAdvert(PendingAdvert advert) {
+    return switch (advert.typeValue) {
+      _repeaterAdvertType => 'Repeater',
+      _sensorAdvertType => 'Sensor',
+      3 => 'Room',
+      1 => 'Chat',
+      _ => null,
+    };
+  }
+
+  String? _resolvedTypeLabelForAdvert(
+    PendingAdvert advert,
+    List<MeshMapNode> cachedNodes,
+  ) {
+    final directType = _typeLabelForAdvert(advert);
+    if (directType != null) {
+      return directType;
+    }
+
+    for (final node in cachedNodes) {
+      if (node.publicKey == advert.publicKeyHex.toLowerCase()) {
+        return switch (node.type) {
+          1 => 'Repeater',
+          4 => 'Sensor',
+          3 => 'Room',
+          2 => 'Chat',
+          _ => null,
+        };
+      }
+    }
+
+    return null;
+  }
+
+  Widget _buildAdvertTitle(
+    BuildContext context, {
+    required String displayName,
+    String? subtitle,
+  }) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        Text(
+          displayName,
+          maxLines: 1,
+          overflow: TextOverflow.ellipsis,
+          style: const TextStyle(fontWeight: FontWeight.bold),
+        ),
+        if (subtitle != null && subtitle.isNotEmpty) ...[
+          const SizedBox(height: 2),
+          Text(
+            subtitle,
+            maxLines: 1,
+            overflow: TextOverflow.ellipsis,
+            style: Theme.of(context).textTheme.bodySmall?.copyWith(
+              color: Theme.of(context).colorScheme.onSurfaceVariant,
+            ),
+          ),
+        ],
+      ],
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
 
     return Scaffold(
-      appBar: AppBar(title: const Text('Discovery')),
+      appBar: AppBar(
+        title: const Text('Discovery'),
+        actions: [
+          Consumer<ConnectionProvider>(
+            builder: (context, connectionProvider, child) {
+              final isConnected = connectionProvider.deviceInfo.isConnected;
+              final repeatersBusy = _runningDiscoveryTypes.contains(
+                _repeaterAdvertType,
+              );
+              final sensorsBusy = _runningDiscoveryTypes.contains(
+                _sensorAdvertType,
+              );
+
+              return PopupMenuButton<_DiscoveryMenuAction>(
+                tooltip: 'Discovery tools',
+                onSelected: _handleMenuAction,
+                itemBuilder: (context) => [
+                  PopupMenuItem<_DiscoveryMenuAction>(
+                    value: _DiscoveryMenuAction.repeaters,
+                    enabled: isConnected && !repeatersBusy,
+                    child: Row(
+                      children: [
+                        repeatersBusy
+                            ? const SizedBox(
+                                width: 18,
+                                height: 18,
+                                child: CircularProgressIndicator(
+                                  strokeWidth: 2,
+                                ),
+                              )
+                            : const Icon(Icons.router_outlined),
+                        const SizedBox(width: 12),
+                        const Text('Discover repeaters'),
+                      ],
+                    ),
+                  ),
+                  PopupMenuItem<_DiscoveryMenuAction>(
+                    value: _DiscoveryMenuAction.sensors,
+                    enabled: isConnected && !sensorsBusy,
+                    child: Row(
+                      children: [
+                        sensorsBusy
+                            ? const SizedBox(
+                                width: 18,
+                                height: 18,
+                                child: CircularProgressIndicator(
+                                  strokeWidth: 2,
+                                ),
+                              )
+                            : const Icon(Icons.sensors_outlined),
+                        const SizedBox(width: 12),
+                        const Text('Discover sensors'),
+                      ],
+                    ),
+                  ),
+                ],
+              );
+            },
+          ),
+        ],
+      ),
       body: FutureBuilder<List<MeshMapNode>>(
         future: _cachedNodesFuture,
         builder: (context, nodesSnapshot) =>
@@ -121,12 +382,78 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
                 final isConnected = connectionProvider.deviceInfo.isConnected;
                 final cachedNodes = nodesSnapshot.data ?? const <MeshMapNode>[];
 
-                if (pendingAdverts.isEmpty) {
+                return ListView(
-                  return Center(
+                  padding: const EdgeInsets.all(16),
+                  children: [
+                    Card(
                       child: Padding(
-                      padding: const EdgeInsets.all(24),
+                        padding: const EdgeInsets.all(16),
+                        child: Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Row(
+                              crossAxisAlignment: CrossAxisAlignment.center,
+                              children: [
+                                const Icon(Icons.person_search),
+                                const SizedBox(width: 12),
+                                Expanded(
+                                  child: Text(
+                                    'Pending discoveries (${pendingAdverts.length})',
+                                    style: Theme.of(context).textTheme.titleMedium,
+                                  ),
+                                ),
+                              ],
+                            ),
+                            const SizedBox(height: 12),
+                            Text(
+                              'Resolve entries manually so they do not auto-populate contacts.',
+                              style: Theme.of(context).textTheme.bodyMedium,
+                            ),
+                            const SizedBox(height: 14),
+                            Row(
+                              children: [
+                                Expanded(
+                                  child: OutlinedButton.icon(
+                                    onPressed: isConnected &&
+                                            pendingAdverts.isNotEmpty &&
+                                            !_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(width: 10),
+                                Expanded(
+                                  child: OutlinedButton.icon(
+                                    onPressed: pendingAdverts.isNotEmpty
+                                        ? _clearAllDiscoveries
+                                        : null,
+                                    icon: const Icon(Icons.clear_all_rounded),
+                                    label: const Text('Clear all'),
+                                  ),
+                                ),
+                              ],
+                            ),
+                          ],
+                        ),
+                      ),
+                    ),
+                    const SizedBox(height: 16),
+                    if (pendingAdverts.isEmpty)
+                      Padding(
+                        padding: const EdgeInsets.symmetric(vertical: 48),
                         child: Column(
-                        mainAxisAlignment: MainAxisAlignment.center,
                           children: [
                             Icon(
                               Icons.person_search_outlined,
@@ -147,39 +474,6 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
                           ],
                         ),
                       ),
-                  );
-                }
-
-                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,
@@ -189,21 +483,66 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
                         contactsProvider,
                         cachedNodes,
                       );
+                      final typeLabel = _resolvedTypeLabelForAdvert(
+                        advert,
+                        cachedNodes,
+                      );
+                      final downMetric = SignalMetric.fromValues(
+                        rssiDbm: advert.rxRssiDbm,
+                        snrDb: advert.rxSnr,
+                      );
+                      final upMetric = SignalMetric.fromValues(
+                        rssiDbm: advert.repeaterLastRssi,
+                        snrDb: advert.repeaterLastSnr,
+                      );
+                      final detailLines = <String>[
+                        '${l10n.publicKey}: ${advert.shortDisplayKey}',
+                      ];
+                      final summaryParts = <String>[];
+                      final battery = advert.repeaterBatteryPercent;
+                      if (battery != null) {
+                        summaryParts.add('Battery ${battery.round()}%');
+                      }
+                      if (advert.repeaterQueueLen != null) {
+                        summaryParts.add('Queue ${advert.repeaterQueueLen}');
+                      }
+                      if (summaryParts.isNotEmpty) {
+                        detailLines.add(summaryParts.join(' • '));
+                      }
+                      detailLines.add(
+                        '${l10n.lastSeen}: ${_formatRelativeTime(context, advert.receivedAt)}',
+                      );
                       return Card(
                         margin: const EdgeInsets.only(bottom: 8),
-                        child: ListTile(
+                        child: Padding(
-                          leading: const CircleAvatar(
+                          padding: const EdgeInsets.all(14),
-                            child: Icon(Icons.campaign_outlined),
+                          child: Column(
+                            crossAxisAlignment: CrossAxisAlignment.start,
+                            children: [
+                              Row(
+                                crossAxisAlignment: CrossAxisAlignment.center,
+                                children: [
+                                  CircleAvatar(
+                                    child: Icon(_iconForAdvert(advert)),
                                   ),
-                          title: Text(
+                                  const SizedBox(width: 12),
-                            displayName,
+                                  Expanded(
-                            style: const TextStyle(fontWeight: FontWeight.bold),
+                                    child: _buildAdvertTitle(
+                                      context,
+                                      displayName: displayName,
+                                      subtitle: typeLabel,
                                     ),
-                          subtitle: Text(
-                            '${l10n.publicKey}: ${advert.shortDisplayKey}\n'
-                            '${l10n.lastSeen}: ${_formatRelativeTime(context, advert.receivedAt)}',
                                   ),
-                          trailing: isResolving
+                                  if (downMetric != null || upMetric != null) ...[
+                                    const SizedBox(width: 12),
+                                    _buildSignalSummary(
+                                      context,
+                                      downMetric: downMetric,
+                                      upMetric: upMetric,
+                                    ),
+                                  ],
+                                  const SizedBox(width: 8),
+                                  isResolving
                                       ? const SizedBox(
                                           width: 18,
                                           height: 18,
@@ -212,12 +551,24 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
                                           ),
                                         )
                                       : IconButton(
-                                  icon: const Icon(Icons.person_add_alt_1),
+                                          visualDensity: VisualDensity.compact,
+                                          icon: const Icon(
+                                            Icons.person_add_alt_1,
+                                          ),
                                           tooltip: 'Resolve contact',
                                           onPressed: isConnected
                                               ? () => _resolveAdvert(advert)
                                               : null,
                                         ),
+                                ],
+                              ),
+                              const SizedBox(height: 10),
+                              Text(
+                                detailLines.join('\n'),
+                                style: Theme.of(context).textTheme.bodyMedium,
+                              ),
+                            ],
+                          ),
                         ),
                       );
                     }),
@@ -228,4 +579,82 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
       ),
     );
   }
+
+  Widget _buildSignalSummary(
+    BuildContext context, {
+    SignalMetric? downMetric,
+    SignalMetric? upMetric,
+  }) {
+    if (downMetric == null && upMetric == null) {
+      return const SizedBox.shrink();
+    }
+
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      crossAxisAlignment: CrossAxisAlignment.end,
+      children: [
+        if (downMetric != null)
+          _buildDirectionalSignal(
+            context,
+            icon: Icons.south_west_rounded,
+            metric: downMetric,
+          ),
+        if (downMetric != null && upMetric != null) const SizedBox(height: 6),
+        if (upMetric != null)
+          _buildDirectionalSignal(
+            context,
+            icon: Icons.north_east_rounded,
+            metric: upMetric,
+          ),
+      ],
+    );
+  }
+
+  Widget _buildDirectionalSignal(
+    BuildContext context, {
+    required IconData icon,
+    required SignalMetric metric,
+  }) {
+    return Row(
+      mainAxisSize: MainAxisSize.min,
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: [
+        Icon(
+          icon,
+          size: 11,
+          color: Theme.of(context).colorScheme.onSurfaceVariant,
+        ),
+        const SizedBox(width: 3),
+        _buildMiniSignalBars(context, metric),
+        const SizedBox(width: 4),
+        Text(
+          metric.valueLabel,
+          style: Theme.of(context).textTheme.labelSmall?.copyWith(
+            fontWeight: FontWeight.w700,
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildMiniSignalBars(BuildContext context, SignalMetric metric) {
+    final inactive = Theme.of(context).colorScheme.outlineVariant;
+    return Row(
+      mainAxisSize: MainAxisSize.min,
+      crossAxisAlignment: CrossAxisAlignment.end,
+      children: [
+        for (var index = 0; index < 3; index++) ...[
+          if (index > 0) const SizedBox(width: 2),
+          Container(
+            width: 3,
+            height: 6.0 + (index * 4),
+            decoration: BoxDecoration(
+              color: index < metric.activeBars ? metric.color : inactive,
+              borderRadius: BorderRadius.circular(2),
+            ),
+          ),
+        ],
+      ],
+    );
+  }
 }

lib/screens/live_traffic_screen.dart

@@ -11,6 +11,8 @@ import '../services/live_traffic_summary.dart';
 import '../services/location_tracking_service.dart';
 import '../services/route_hash_preferences.dart';
 import '../utils/log_rx_route_decoder.dart';
+import '../widgets/compact_signal_indicator.dart';
+import '../widgets/messages/message_trace_sheet.dart';
 import 'packet_log_screen.dart';
 
 T? _maybeProvider<T>(BuildContext context) {
@@ -650,9 +652,15 @@ class _LiveTrafficCard extends StatelessWidget {
     final rxInfo = log.logRxDataInfo;
     final originDistance = _originDistanceLabel(context, entry);
     final packetDetails = _LiveTrafficPacketDetails.fromEntry(entry);
-    final signalMetric = _SignalMetric.fromRxInfo(rxInfo);
+    final signalMetric = SignalMetric.fromRxInfo(rxInfo);
 
-    return Container(
+    return Material(
+      color: Colors.transparent,
+      child: InkWell(
+        onTap: () => _showPacketBytesSheet(context, log.rawData),
+        onLongPress: () => _showTraceSheet(context, entry),
+        borderRadius: BorderRadius.circular(18),
+        child: Container(
           padding: const EdgeInsets.all(14),
           decoration: BoxDecoration(
             color: Theme.of(context).colorScheme.surfaceContainerLow,
@@ -701,7 +709,9 @@ class _LiveTrafficCard extends StatelessWidget {
                             overflow: TextOverflow.ellipsis,
                             style: TextStyle(
                               fontSize: 11,
-                          color: Theme.of(context).colorScheme.onSurfaceVariant,
+                              color: Theme.of(
+                                context,
+                              ).colorScheme.onSurfaceVariant,
                             ),
                           ),
                       ],
@@ -709,7 +719,7 @@ class _LiveTrafficCard extends StatelessWidget {
                   ),
                   if (signalMetric != null) ...[
                     const SizedBox(width: 12),
-                _CompactSignalIndicator(metric: signalMetric),
+                    CompactSignalIndicator(metric: signalMetric),
                   ] else
                     Text(
                       _timeAgo(log.timestamp, now),
@@ -732,28 +742,11 @@ class _LiveTrafficCard extends StatelessWidget {
                 _PacketInfoLine(text: packetDetails.pathHashLine!),
               if (packetDetails.endpointLine != null)
                 _PacketInfoLine(text: packetDetails.endpointLine!),
-          const SizedBox(height: 10),
-          Wrap(
-            spacing: 8,
-            runSpacing: 8,
-            children: [
-              _PacketMetaChip(
-                label: '${log.rawData.length} bytes',
-                onTap: () => _showPacketBytesSheet(context, log.rawData),
-              ),
-              if (entry.isMultiHop)
-                const _PacketMetaChip(label: 'MULTI-HOP', emphasized: true),
               if (originDistance != null)
-                _PacketMetaChip(label: 'Origin $originDistance'),
+                _PacketInfoLine(text: 'Origin: $originDistance'),
-              if (rxInfo?.rssiDbm != null)
-                _PacketMetaChip(label: 'RSSI ${rxInfo!.rssiDbm} dBm'),
-              if (rxInfo?.snrDb != null)
-                _PacketMetaChip(
-                  label: 'SNR ${rxInfo!.snrDb!.toStringAsFixed(1)} dB',
-                ),
             ],
           ),
-        ],
+        ),
       ),
     );
   }
@@ -771,38 +764,6 @@ class _LiveTrafficCard extends StatelessWidget {
     return '$hour:$minute:$second';
   }
 
-  static String _resolvedRoutePreview(
-    BuildContext context,
-    LiveTrafficEntry entry,
-  ) {
-    final route = entry.route;
-    if (route == null || route.hopHashes.isEmpty) {
-      return entry.routePreview;
-    }
-
-    final contactsProvider = _maybeProvider<ContactsProvider>(context);
-    final connectionProvider = _maybeProvider<ConnectionProvider>(context);
-    if (contactsProvider == null && connectionProvider == null) {
-      return entry.routePreview;
-    }
-    final ownLatLng = _ownLatLng(connectionProvider);
-
-    final resolvedLabels = route.hopHashes.map((hashHex) {
-      final resolved = LogRxRouteDecoder.resolveHash(
-        hashHex,
-        contacts: contactsProvider?.contacts ?? const <Contact>[],
-        ownPublicKey: connectionProvider?.deviceInfo.publicKey,
-        ownName:
-            connectionProvider?.deviceInfo.selfName ??
-            connectionProvider?.deviceInfo.displayName,
-        ownLatitude: ownLatLng?.latitude,
-        ownLongitude: ownLatLng?.longitude,
-      );
-      return _compactNodeLabel(resolved);
-    }).toList();
-    return resolvedLabels.join(' -> ');
-  }
-
   static String? _originDistanceLabel(
     BuildContext context,
     LiveTrafficEntry entry,
@@ -962,15 +923,31 @@ class _LiveTrafficCard extends StatelessWidget {
     );
   }
 
-  static String _compactNodeLabel(ResolvedNodeHash node) {
+  static Future<void> _showTraceSheet(
-    if (node.isOwnNode) {
+    BuildContext context,
-      return node.label;
+    LiveTrafficEntry entry,
+  ) {
+    final route = entry.route;
+    if (route == null || route.pathBytes.isEmpty) {
+      return Future.value();
     }
-    if (node.matchCount > 0) {
+    return showModalBottomSheet<void>(
-      return node.label;
+      context: context,
-    }
+      isScrollControlled: true,
-    return node.hexLabel;
+      backgroundColor: Theme.of(context).colorScheme.surface,
+      shape: const RoundedRectangleBorder(
+        borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
+      ),
+      builder: (context) => MessageTraceSheet.packetPath(
+        packetPath: route.pathBytes,
+        descriptionOverride:
+            'Relay path from packet path bytes (${route.hopHashes.length} hop${route.hopHashes.length == 1 ? '' : 's'})',
+        noRelayMatchTextOverride:
+            'No named nodes could be matched for this packet path.',
+      ),
+    );
   }
+
 }
 
 class _LiveTrafficPacketDetails {
@@ -1129,96 +1106,6 @@ class _PacketInfoLine extends StatelessWidget {
   }
 }
 
-class _SignalMetric {
-  final String valueLabel;
-  final Color color;
-  final int activeBars;
-
-  const _SignalMetric({
-    required this.valueLabel,
-    required this.color,
-    required this.activeBars,
-  });
-
-  static _SignalMetric? fromRxInfo(LogRxDataInfo? rxInfo) {
-    if (rxInfo == null) return null;
-    if (rxInfo?.snrDb != null) {
-      final snr = rxInfo.snrDb!;
-      return _SignalMetric(
-        valueLabel: '${snr.toStringAsFixed(1)}dB',
-        color: snr >= 10
-            ? Colors.green
-            : snr >= 0
-            ? Colors.amber
-            : Colors.redAccent,
-        activeBars: snr >= 10
-            ? 3
-            : snr >= 0
-            ? 2
-            : 1,
-      );
-    }
-    if (rxInfo?.rssiDbm != null) {
-      final rssi = rxInfo.rssiDbm!;
-      return _SignalMetric(
-        valueLabel: '$rssi dBm',
-        color: rssi >= -80
-            ? Colors.green
-            : rssi >= -95
-            ? Colors.amber
-            : Colors.redAccent,
-        activeBars: rssi >= -80
-            ? 3
-            : rssi >= -95
-            ? 2
-            : 1,
-      );
-    }
-    return null;
-  }
-}
-
-class _CompactSignalIndicator extends StatelessWidget {
-  final _SignalMetric metric;
-
-  const _CompactSignalIndicator({required this.metric});
-
-  @override
-  Widget build(BuildContext context) {
-    final inactive = Theme.of(context).colorScheme.outlineVariant;
-    return Column(
-      crossAxisAlignment: CrossAxisAlignment.center,
-      children: [
-        Row(
-          mainAxisSize: MainAxisSize.min,
-          crossAxisAlignment: CrossAxisAlignment.end,
-          children: [
-            for (var index = 0; index < 3; index++) ...[
-              if (index > 0) const SizedBox(width: 3),
-              Container(
-                width: 5,
-                height: 10.0 + (index * 8),
-                decoration: BoxDecoration(
-                  color: index < metric.activeBars ? metric.color : inactive,
-                  borderRadius: BorderRadius.circular(2),
-                ),
-              ),
-            ],
-          ],
-        ),
-        const SizedBox(height: 6),
-        Text(
-          metric.valueLabel,
-          style: TextStyle(
-            fontSize: 12,
-            fontWeight: FontWeight.w700,
-            color: Theme.of(context).colorScheme.onSurface,
-          ),
-        ),
-      ],
-    );
-  }
-}
 
 class _GeoPoint {
   final double latitude;
@@ -1227,44 +1114,6 @@ class _GeoPoint {
   const _GeoPoint(this.latitude, this.longitude);
 }
 
-class _PacketMetaChip extends StatelessWidget {
-  final String label;
-  final bool emphasized;
-  final VoidCallback? onTap;
-
-  const _PacketMetaChip({
-    required this.label,
-    this.emphasized = false,
-    this.onTap,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    final scheme = Theme.of(context).colorScheme;
-    final color = emphasized ? scheme.primary : scheme.outline;
-    return InkWell(
-      onTap: onTap,
-      borderRadius: BorderRadius.circular(999),
-      child: Container(
-        padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
-        decoration: BoxDecoration(
-          color: color.withValues(alpha: emphasized ? 0.12 : 0.08),
-          borderRadius: BorderRadius.circular(999),
-          border: Border.all(color: color.withValues(alpha: 0.22)),
-        ),
-        child: Text(
-          label,
-          style: TextStyle(
-            fontSize: 12,
-            fontWeight: FontWeight.w600,
-            color: color,
-          ),
-        ),
-      ),
-    );
-  }
-}
-
 void openLiveTrafficScreen(BuildContext context, ConnectionProvider provider) {
   Navigator.push(
     context,

lib/screens/messages_tab.dart

@@ -519,6 +519,7 @@ class _MessagesTabState extends State<MessagesTab> {
     final l10n = AppLocalizations.of(context)!;
     final contactsProvider = context.read<ContactsProvider>();
     Contact? senderContact;
+    String? senderDisplayName;
 
     String destinationType;
     Contact? recipient;
@@ -543,6 +544,23 @@ class _MessagesTabState extends State<MessagesTab> {
       if (senderPrefix != null && senderPrefix.length >= 6) {
         senderContact = contactsProvider.findContactByPrefix(senderPrefix);
       }
+      senderDisplayName =
+          senderContact?.displayName ?? message.senderName?.trim();
+    } else {
+      final roomRecipient = message.recipientPublicKey == null
+          ? null
+          : contactsProvider.findContactByKey(message.recipientPublicKey!);
+
+      if (roomRecipient?.isRoom == true) {
+        destinationType = MessageDestinationPreferences.destinationTypeRoom;
+        recipient = roomRecipient;
+
+        final senderPrefix = message.senderPublicKeyPrefix;
+        if (senderPrefix != null && senderPrefix.length >= 6) {
+          senderContact = contactsProvider.findContactByPrefix(senderPrefix);
+        }
+        senderDisplayName =
+            senderContact?.displayName ?? message.senderName?.trim();
       } else {
         final senderPrefix = message.senderPublicKeyPrefix;
         if (senderPrefix == null || senderPrefix.length < 6) {
@@ -560,11 +578,14 @@ class _MessagesTabState extends State<MessagesTab> {
             ? MessageDestinationPreferences.destinationTypeRoom
             : MessageDestinationPreferences.destinationTypeContact;
       }
+    }
 
     await _onRecipientSelected(destinationType, recipient);
     if (!mounted) return;
-    if (message.isChannelMessage && senderContact != null) {
+    if ((message.isChannelMessage || recipient?.isRoom == true) &&
-      _insertReplyMention(senderContact.displayName);
+        senderDisplayName != null &&
+        senderDisplayName.isNotEmpty) {
+      _insertReplyMention(senderDisplayName);
     }
     _focusNode.requestFocus();
   }

lib/services/notification_service.dart

@@ -26,6 +26,7 @@ class NotificationService {
   bool _updateNotificationsEnabled = true;
   bool _muteForegroundNotifications = true;
   AppLifecycleState _lifecycleState = AppLifecycleState.resumed;
+  String? _launchPayload;
 
   // Notification IDs
   static const int _sarNotificationId = 1000;
@@ -103,6 +104,12 @@ class NotificationService {
         onDidReceiveNotificationResponse: _onNotificationResponse,
       );
 
+      final launchDetails = await _notificationsPlugin
+          .getNotificationAppLaunchDetails();
+      if (launchDetails?.didNotificationLaunchApp ?? false) {
+        _launchPayload = launchDetails?.notificationResponse?.payload;
+      }
+
       // Request permissions
       await _requestPermissions();
       await _loadPreferences();
@@ -295,6 +302,12 @@ class NotificationService {
     }
   }
 
+  String? consumeLaunchPayload() {
+    final payload = _launchPayload;
+    _launchPayload = null;
+    return payload;
+  }
+
   /// Show urgent notification for SAR marker
   Future<void> showSarNotification({
     required SarMarkerType type,
@@ -837,6 +850,7 @@ class NotificationService {
 
   Future<bool> showContactDiscoveredNotification({
     required String contactKey,
+    String? contactName,
   }) async {
     if (!_isInitialized) return false;
     if (!_permissionGranted) return false;
@@ -847,7 +861,10 @@ class NotificationService {
         ? contactKey.substring(0, 12).toUpperCase()
         : contactKey.toUpperCase();
     final title = 'New contact discovered';
-    final body = 'New contact $shortKey is available in Discovery.';
+    final resolvedName = contactName?.trim();
+    final body = resolvedName != null && resolvedName.isNotEmpty
+        ? '$resolvedName is available in Discovery.'
+        : 'New contact $shortKey is available in Discovery.';
     final notificationId =
         _discoveryNotificationId + ((contactKey.hashCode & 0x7fffffff) % 1000);
 

lib/widgets/compact_signal_indicator.dart

@@ -0,0 +1,106 @@
+import 'package:flutter/material.dart';
+import 'package:meshcore_client/meshcore_client.dart' show LogRxDataInfo;
+
+class SignalMetric {
+  final String valueLabel;
+  final Color color;
+  final int activeBars;
+
+  const SignalMetric({
+    required this.valueLabel,
+    required this.color,
+    required this.activeBars,
+  });
+
+  static SignalMetric? fromRxInfo(LogRxDataInfo? rxInfo) {
+    if (rxInfo == null) return null;
+    return fromValues(rssiDbm: rxInfo.rssiDbm, snrDb: rxInfo.snrDb);
+  }
+
+  static SignalMetric? fromValues({int? rssiDbm, double? snrDb}) {
+    if (snrDb != null) {
+      return SignalMetric(
+        valueLabel: '${snrDb.toStringAsFixed(1)}dB',
+        color: snrDb >= 10
+            ? Colors.green
+            : snrDb >= 0
+            ? Colors.amber
+            : Colors.redAccent,
+        activeBars: snrDb >= 10
+            ? 3
+            : snrDb >= 0
+            ? 2
+            : 1,
+      );
+    }
+    if (rssiDbm != null) {
+      return SignalMetric(
+        valueLabel: '$rssiDbm dBm',
+        color: rssiDbm >= -80
+            ? Colors.green
+            : rssiDbm >= -95
+            ? Colors.amber
+            : Colors.redAccent,
+        activeBars: rssiDbm >= -80
+            ? 3
+            : rssiDbm >= -95
+            ? 2
+            : 1,
+      );
+    }
+    return null;
+  }
+}
+
+class CompactSignalIndicator extends StatelessWidget {
+  final SignalMetric metric;
+  final bool dense;
+
+  const CompactSignalIndicator({
+    super.key,
+    required this.metric,
+    this.dense = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final inactive = Theme.of(context).colorScheme.outlineVariant;
+    final barWidth = dense ? 4.0 : 5.0;
+    final baseHeight = dense ? 8.0 : 10.0;
+    final barStep = dense ? 6.0 : 8.0;
+    final barSpacing = dense ? 2.0 : 3.0;
+    final labelGap = dense ? 4.0 : 6.0;
+    final labelFontSize = dense ? 10.0 : 12.0;
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: [
+        Row(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.end,
+          children: [
+            for (var index = 0; index < 3; index++) ...[
+              if (index > 0) SizedBox(width: barSpacing),
+              Container(
+                width: barWidth,
+                height: baseHeight + (index * barStep),
+                decoration: BoxDecoration(
+                  color: index < metric.activeBars ? metric.color : inactive,
+                  borderRadius: BorderRadius.circular(2),
+                ),
+              ),
+            ],
+          ],
+        ),
+        SizedBox(height: labelGap),
+        Text(
+          metric.valueLabel,
+          style: TextStyle(
+            fontSize: labelFontSize,
+            fontWeight: FontWeight.w700,
+            color: Theme.of(context).colorScheme.onSurface,
+          ),
+        ),
+      ],
+    );
+  }
+}

lib/widgets/messages/message_trace_sheet.dart

@@ -17,9 +17,24 @@ import '../../utils/log_rx_route_decoder.dart';
 import '../../utils/trace_node_resolver.dart';
 
 class MessageTraceSheet extends StatefulWidget {
-  final Message message;
+  final Message? message;
+  final List<int>? packetPathOverride;
+  final String? descriptionOverride;
+  final String? noRelayMatchTextOverride;
 
-  const MessageTraceSheet({super.key, required this.message});
+  const MessageTraceSheet({super.key, required this.message})
+    : assert(message != null),
+      packetPathOverride = null,
+      descriptionOverride = null,
+      noRelayMatchTextOverride = null;
+
+  const MessageTraceSheet.packetPath({
+    super.key,
+    required List<int> packetPath,
+    this.descriptionOverride,
+    this.noRelayMatchTextOverride,
+  }) : message = null,
+       packetPathOverride = packetPath;
 
   @override
   State<MessageTraceSheet> createState() => _MessageTraceSheetState();
@@ -40,20 +55,27 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
     final contactsProvider = context.read<ContactsProvider>();
     final messagesProvider = context.read<MessagesProvider>();
     final preferredHashSize = await RouteHashPreferences.getHashSize();
+    List<int>? packetPath = widget.packetPathOverride;
+    String? senderPrefix;
+    String? recipientPrefix;
+
+    if (widget.message case final message?) {
       final storedPath = messagesProvider
-        .getMessageReceptionDetails(widget.message.id)
+          .getMessageReceptionDetails(message.id)
           ?.pathBytes;
-    final packetPath = (storedPath != null && storedPath.isNotEmpty)
+      packetPath = (storedPath != null && storedPath.isNotEmpty)
           ? storedPath
           : _extractPathFromPacketLogs(
               logs: connectionProvider.bleService.packetLogs,
-            message: widget.message,
+              message: message,
             );
 
-    final senderPrefix = _toPrefixHex(widget.message.senderPublicKeyPrefix);
+      senderPrefix = _toPrefixHex(message.senderPublicKeyPrefix);
-    final recipientPrefix = widget.message.recipientPublicKey != null
+      recipientPrefix = message.recipientPublicKey != null
-        ? _toPrefixHex(widget.message.recipientPublicKey)
+          ? _toPrefixHex(message.recipientPublicKey)
           : _toPrefixHex(connectionProvider.deviceInfo.publicKey);
+    }
+
     final localNodes = _localNodesFromContacts(contactsProvider);
     final localPublicKeys = localNodes.map((node) => node.publicKey).toSet();
     var trace = _buildTraceResult(
@@ -66,7 +88,9 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
     );
     if (_isCompleteTrace(
       trace,
-      expectedRelayCount: math.max(0, widget.message.pathLen),
+      expectedRelayCount: widget.message == null
+          ? 0
+          : math.max(0, widget.message!.pathLen),
     )) {
       return trace;
     }
@@ -153,9 +177,10 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
                 Padding(
                   padding: const EdgeInsets.symmetric(horizontal: 16),
                   child: Text(
-                    trace.mode == TraceMode.packetPath
+                    widget.descriptionOverride ??
+                        (trace.mode == TraceMode.packetPath
                             ? 'Relay path from packet path bytes'
-                        : 'Relay path inferred from hop count (${widget.message.pathLen})',
+                            : 'Relay path inferred from hop count (${widget.message!.pathLen})'),
                     style: Theme.of(context).textTheme.bodySmall,
                   ),
                 ),
@@ -257,12 +282,13 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
                         ),
                       ),
                       if (routeEntries.isEmpty)
-                        const Padding(
+                        Padding(
-                          padding: EdgeInsets.symmetric(
+                          padding: const EdgeInsets.symmetric(
                             horizontal: 16,
                             vertical: 8,
                           ),
                           child: Text(
+                            widget.noRelayMatchTextOverride ??
                                 'No named nodes could be matched for this trace.',
                           ),
                         ),
@@ -345,6 +371,9 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
     if (concrete.isEmpty) return const [];
 
     if (trace.mode == TraceMode.packetPath) {
+      if (widget.message == null) {
+        return concrete;
+      }
       if (concrete.length <= 1) return const [];
       return concrete.sublist(1);
     }
@@ -488,7 +517,7 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
       nodes: nodes,
       sender: senderNode.node,
       recipient: recipientNode.node,
-      relayCount: math.max(0, widget.message.pathLen),
+      relayCount: math.max(0, widget.message!.pathLen),
     );
     final matchedPathNodes = <ResolvedTraceNode>[
       if (senderNode.node != null) senderNode,

pubspec.lock

@@ -795,8 +795,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: "55e303a"
+      ref: "813f5b3"
-      resolved-ref: "55e303aa71d9fd847cedd11bc1243504fbe363e0"
+      resolved-ref: "813f5b3e0b9d2ea6b85a428be443bf5e6a38c6c5"
       url: "https://github.com/dz0ny/meshcore_client.git"
     source: git
     version: "0.1.0"

pubspec.yaml

@@ -44,7 +44,7 @@ dependencies:
   meshcore_client:
     git:
       url: https://github.com/dz0ny/meshcore_client.git
-      ref: "55e303a"
+      ref: "813f5b3"
 
   # Codec2 ultra-low-bitrate speech codec (FFI plugin)
   codec2_flutter: