fix: Widen worker stats graph

lib/models/config_profile.dart

@@ -116,7 +116,6 @@ class AppSettingsProfileSection {
   final bool? voiceEchoCancellationEnabled;
   final bool? voiceNoiseSuppressionEnabled;
   final double? messageFontScale;
-  final bool? autoRouteRotationEnabled;
   final bool? clearPathOnMaxRetry;
   final bool? nearestRelayFallbackEnabled;
   final int? voiceBitrate;
@@ -142,7 +141,6 @@ class AppSettingsProfileSection {
     this.voiceEchoCancellationEnabled,
     this.voiceNoiseSuppressionEnabled,
     this.messageFontScale,
-    this.autoRouteRotationEnabled,
     this.clearPathOnMaxRetry,
     this.nearestRelayFallbackEnabled,
     this.voiceBitrate,
@@ -169,7 +167,6 @@ class AppSettingsProfileSection {
       voiceEchoCancellationEnabled == null &&
       voiceNoiseSuppressionEnabled == null &&
       messageFontScale == null &&
-      autoRouteRotationEnabled == null &&
       clearPathOnMaxRetry == null &&
       nearestRelayFallbackEnabled == null &&
       voiceBitrate == null &&
@@ -195,7 +192,6 @@ class AppSettingsProfileSection {
     'voiceEchoCancellationEnabled': voiceEchoCancellationEnabled,
     'voiceNoiseSuppressionEnabled': voiceNoiseSuppressionEnabled,
     'messageFontScale': messageFontScale,
-    'autoRouteRotationEnabled': autoRouteRotationEnabled,
     'clearPathOnMaxRetry': clearPathOnMaxRetry,
     'nearestRelayFallbackEnabled': nearestRelayFallbackEnabled,
     'voiceBitrate': voiceBitrate,
@@ -225,7 +221,6 @@ class AppSettingsProfileSection {
       voiceNoiseSuppressionEnabled:
           json['voiceNoiseSuppressionEnabled'] as bool?,
       messageFontScale: (json['messageFontScale'] as num?)?.toDouble(),
-      autoRouteRotationEnabled: json['autoRouteRotationEnabled'] as bool?,
       clearPathOnMaxRetry: json['clearPathOnMaxRetry'] as bool?,
       nearestRelayFallbackEnabled: json['nearestRelayFallbackEnabled'] as bool?,
       voiceBitrate: json['voiceBitrate'] as int?,

lib/models/path_history.dart

@@ -1,229 +0,0 @@
-enum PathRecordSource { learned, observed }
-
-class PathRecord {
-  final List<int> pathBytes;
-  final int hopCount;
-  final int hashSize;
-  final PathRecordSource source;
-  final int successCount;
-  final int failureCount;
-  final int lastRoundTripTimeMs;
-  final DateTime lastUsedAt;
-  final DateTime? lastSucceededAt;
-  final double? senderLatitude;
-  final double? senderLongitude;
-  final double? recipientLatitude;
-  final double? recipientLongitude;
-
-  const PathRecord({
-    required this.pathBytes,
-    required this.hopCount,
-    required this.hashSize,
-    required this.source,
-    required this.successCount,
-    required this.failureCount,
-    required this.lastRoundTripTimeMs,
-    required this.lastUsedAt,
-    required this.lastSucceededAt,
-    required this.senderLatitude,
-    required this.senderLongitude,
-    required this.recipientLatitude,
-    required this.recipientLongitude,
-  });
-
-  String get signature =>
-      pathBytes.map((byte) => byte.toRadixString(16).padLeft(2, '0')).join();
-
-  double get successRate =>
-      (successCount + 1) / (successCount + failureCount + 2);
-
-  PathRecord copyWith({
-    List<int>? pathBytes,
-    int? hopCount,
-    int? hashSize,
-    PathRecordSource? source,
-    int? successCount,
-    int? failureCount,
-    int? lastRoundTripTimeMs,
-    DateTime? lastUsedAt,
-    DateTime? lastSucceededAt,
-    double? senderLatitude,
-    double? senderLongitude,
-    double? recipientLatitude,
-    double? recipientLongitude,
-  }) {
-    return PathRecord(
-      pathBytes: pathBytes ?? this.pathBytes,
-      hopCount: hopCount ?? this.hopCount,
-      hashSize: hashSize ?? this.hashSize,
-      source: source ?? this.source,
-      successCount: successCount ?? this.successCount,
-      failureCount: failureCount ?? this.failureCount,
-      lastRoundTripTimeMs: lastRoundTripTimeMs ?? this.lastRoundTripTimeMs,
-      lastUsedAt: lastUsedAt ?? this.lastUsedAt,
-      lastSucceededAt: lastSucceededAt ?? this.lastSucceededAt,
-      senderLatitude: senderLatitude ?? this.senderLatitude,
-      senderLongitude: senderLongitude ?? this.senderLongitude,
-      recipientLatitude: recipientLatitude ?? this.recipientLatitude,
-      recipientLongitude: recipientLongitude ?? this.recipientLongitude,
-    );
-  }
-
-  Map<String, dynamic> toJson() {
-    return {
-      'path_bytes': pathBytes,
-      'hop_count': hopCount,
-      'hash_size': hashSize,
-      'source': source.name,
-      'success_count': successCount,
-      'failure_count': failureCount,
-      'last_round_trip_time_ms': lastRoundTripTimeMs,
-      'last_used_at': lastUsedAt.toIso8601String(),
-      'last_succeeded_at': lastSucceededAt?.toIso8601String(),
-      'sender_latitude': senderLatitude,
-      'sender_longitude': senderLongitude,
-      'recipient_latitude': recipientLatitude,
-      'recipient_longitude': recipientLongitude,
-    };
-  }
-
-  factory PathRecord.fromJson(Map<String, dynamic> json) {
-    return PathRecord(
-      pathBytes: (json['path_bytes'] as List<dynamic>? ?? const <dynamic>[])
-          .map((value) => value as int)
-          .toList(),
-      hopCount: json['hop_count'] as int? ?? 0,
-      hashSize: json['hash_size'] as int? ?? 1,
-      source: PathRecordSource.values.firstWhere(
-        (value) => value.name == (json['source'] as String? ?? 'learned'),
-        orElse: () => PathRecordSource.learned,
-      ),
-      successCount: json['success_count'] as int? ?? 0,
-      failureCount: json['failure_count'] as int? ?? 0,
-      lastRoundTripTimeMs: json['last_round_trip_time_ms'] as int? ?? 0,
-      lastUsedAt:
-          DateTime.tryParse(json['last_used_at'] as String? ?? '') ??
-          DateTime.fromMillisecondsSinceEpoch(0),
-      lastSucceededAt: DateTime.tryParse(
-        json['last_succeeded_at'] as String? ?? '',
-      ),
-      senderLatitude: (json['sender_latitude'] as num?)?.toDouble(),
-      senderLongitude: (json['sender_longitude'] as num?)?.toDouble(),
-      recipientLatitude: (json['recipient_latitude'] as num?)?.toDouble(),
-      recipientLongitude: (json['recipient_longitude'] as num?)?.toDouble(),
-    );
-  }
-}
-
-class FloodPathStats {
-  final int successCount;
-  final int failureCount;
-  final int lastRoundTripTimeMs;
-  final DateTime? lastUsedAt;
-
-  const FloodPathStats({
-    required this.successCount,
-    required this.failureCount,
-    required this.lastRoundTripTimeMs,
-    required this.lastUsedAt,
-  });
-
-  const FloodPathStats.empty()
-    : successCount = 0,
-      failureCount = 0,
-      lastRoundTripTimeMs = 0,
-      lastUsedAt = null;
-
-  FloodPathStats copyWith({
-    int? successCount,
-    int? failureCount,
-    int? lastRoundTripTimeMs,
-    DateTime? lastUsedAt,
-  }) {
-    return FloodPathStats(
-      successCount: successCount ?? this.successCount,
-      failureCount: failureCount ?? this.failureCount,
-      lastRoundTripTimeMs: lastRoundTripTimeMs ?? this.lastRoundTripTimeMs,
-      lastUsedAt: lastUsedAt ?? this.lastUsedAt,
-    );
-  }
-
-  Map<String, dynamic> toJson() {
-    return {
-      'success_count': successCount,
-      'failure_count': failureCount,
-      'last_round_trip_time_ms': lastRoundTripTimeMs,
-      'last_used_at': lastUsedAt?.toIso8601String(),
-    };
-  }
-
-  factory FloodPathStats.fromJson(Map<String, dynamic> json) {
-    return FloodPathStats(
-      successCount: json['success_count'] as int? ?? 0,
-      failureCount: json['failure_count'] as int? ?? 0,
-      lastRoundTripTimeMs: json['last_round_trip_time_ms'] as int? ?? 0,
-      lastUsedAt: DateTime.tryParse(json['last_used_at'] as String? ?? ''),
-    );
-  }
-}
-
-class ContactPathHistory {
-  final String contactPublicKeyHex;
-  final List<PathRecord> directPaths;
-  final FloodPathStats floodStats;
-  final int rotationIndex;
-
-  const ContactPathHistory({
-    required this.contactPublicKeyHex,
-    required this.directPaths,
-    required this.floodStats,
-    required this.rotationIndex,
-  });
-
-  const ContactPathHistory.empty(this.contactPublicKeyHex)
-    : directPaths = const <PathRecord>[],
-      floodStats = const FloodPathStats.empty(),
-      rotationIndex = 0;
-
-  ContactPathHistory copyWith({
-    List<PathRecord>? directPaths,
-    FloodPathStats? floodStats,
-    int? rotationIndex,
-  }) {
-    return ContactPathHistory(
-      contactPublicKeyHex: contactPublicKeyHex,
-      directPaths: directPaths ?? this.directPaths,
-      floodStats: floodStats ?? this.floodStats,
-      rotationIndex: rotationIndex ?? this.rotationIndex,
-    );
-  }
-
-  Map<String, dynamic> toJson() {
-    return {
-      'direct_paths': directPaths.map((record) => record.toJson()).toList(),
-      'flood_stats': floodStats.toJson(),
-      'rotation_index': rotationIndex,
-    };
-  }
-
-  List<PathRecord> get observedPaths => directPaths
-      .where((record) => record.source == PathRecordSource.observed)
-      .toList();
-
-  factory ContactPathHistory.fromJson(
-    String contactPublicKeyHex,
-    Map<String, dynamic> json,
-  ) {
-    return ContactPathHistory(
-      contactPublicKeyHex: contactPublicKeyHex,
-      directPaths: (json['direct_paths'] as List<dynamic>? ?? const <dynamic>[])
-          .whereType<Map<String, dynamic>>()
-          .map(PathRecord.fromJson)
-          .toList(),
-      floodStats: json['flood_stats'] is Map<String, dynamic>
-          ? FloodPathStats.fromJson(json['flood_stats'] as Map<String, dynamic>)
-          : const FloodPathStats.empty(),
-      rotationIndex: json['rotation_index'] as int? ?? 0,
-    );
-  }
-}

lib/providers/app_provider.dart

@@ -41,26 +41,22 @@ import '../utils/log_rx_route_decoder.dart';
 class _DirectMessageRouteSession {
   final PathSelection currentSelection;
   final ParsedContactRoute? originalRoute;
-  final bool usedManualOverride;
   final bool routerFallbackAttempted;
 
   const _DirectMessageRouteSession({
     required this.currentSelection,
     required this.originalRoute,
-    required this.usedManualOverride,
     required this.routerFallbackAttempted,
   });
 
   _DirectMessageRouteSession copyWith({
     PathSelection? currentSelection,
     ParsedContactRoute? originalRoute,
-    bool? usedManualOverride,
     bool? routerFallbackAttempted,
   }) {
     return _DirectMessageRouteSession(
       currentSelection: currentSelection ?? this.currentSelection,
       originalRoute: originalRoute ?? this.originalRoute,
-      usedManualOverride: usedManualOverride ?? this.usedManualOverride,
       routerFallbackAttempted:
           routerFallbackAttempted ?? this.routerFallbackAttempted,
     );
@@ -199,9 +195,6 @@ class AppProvider with ChangeNotifier {
   bool get isVoiceNoiseSuppressionEnabled => _isVoiceNoiseSuppressionEnabled;
   double _messageFontScale = 1.0;
   double get messageFontScale => _messageFontScale;
-  bool _autoRouteRotationEnabled =
-      MessagingRoutePreferences.defaultAutoRouteRotationEnabled;
-  bool get autoRouteRotationEnabled => _autoRouteRotationEnabled;
   bool _clearPathOnMaxRetry =
       MessagingRoutePreferences.defaultClearPathOnMaxRetry;
   bool get clearPathOnMaxRetry => _clearPathOnMaxRetry;
@@ -213,6 +206,7 @@ class AppProvider with ChangeNotifier {
       const NearestRouterSelector();
   final Map<String, _DirectMessageRouteSession> _directMessageRouteSessions =
       {};
+  final Set<String> _pendingDeliveredRouteRefreshContacts = <String>{};
 
   static const Duration _packetRetryDelay = Duration(milliseconds: 1200);
   static const Duration _mediaSwarmResponseWindow = Duration(seconds: 10);
@@ -873,8 +867,7 @@ class AppProvider with ChangeNotifier {
 
   Future<void> _loadMessagingRouteSettings() async {
     try {
-      _autoRouteRotationEnabled =
+      await MessagingRoutePreferences.cleanupLegacySettings();
-          await MessagingRoutePreferences.getAutoRouteRotationEnabled();
       _clearPathOnMaxRetry =
           await MessagingRoutePreferences.getClearPathOnMaxRetry();
       _nearestRelayFallbackEnabled =
@@ -885,16 +878,6 @@ class AppProvider with ChangeNotifier {
     }
   }
 
-  Future<void> toggleAutoRouteRotationEnabled(bool enabled) async {
-    try {
-      _autoRouteRotationEnabled = enabled;
-      await MessagingRoutePreferences.setAutoRouteRotationEnabled(enabled);
-      notifyListeners();
-    } catch (e) {
-      debugPrint('Error saving auto route rotation setting: $e');
-    }
-  }
-
   Future<void> toggleClearPathOnMaxRetry(bool enabled) async {
     try {
       _clearPathOnMaxRetry = enabled;
@@ -1048,6 +1031,14 @@ class AppProvider with ChangeNotifier {
         contact,
         devicePublicKey: devicePublicKey,
       );
+
+      final updatedContact =
+          contactsProvider.findContactByKey(contact.publicKey) ?? contact;
+      if (_pendingDeliveredRouteRefreshContacts.remove(
+        updatedContact.publicKeyHex,
+      )) {
+        messagesProvider.applyDeliveredMessageRouteFromContact(updatedContact);
+      }
     };
 
     // When all contacts are received
@@ -1254,18 +1245,6 @@ class AppProvider with ChangeNotifier {
         enrichedMessage,
       );
       final receivedPathBytes = receptionDetailsSnapshot?.pathBytes;
-      if (senderContact != null &&
-          enrichedMessage.isChannelMessage &&
-          receivedPathBytes != null &&
-          receivedPathBytes.isNotEmpty) {
-        unawaited(
-          _learnPathFromPublicMessage(
-            contact: senderContact,
-            pathBytes: receivedPathBytes,
-          ),
-        );
-      }
-
       // Estimate location for contacts without GPS using received path
       if (senderContact != null &&
           senderContact.displayLocation == null &&
@@ -1685,6 +1664,7 @@ class AppProvider with ChangeNotifier {
 
     // When a contact's routing path is updated in the mesh network
     connectionProvider.onPathUpdated = (publicKey) {
+      _pendingDeliveredRouteRefreshContacts.add(_publicKeyHex(publicKey));
       debugPrint(
         '🔄 [AppProvider] Path updated for contact: ${publicKey.sublist(0, 6).map((b) => b.toRadixString(16).padLeft(2, '0')).join(':')}...',
       );
@@ -1850,28 +1830,18 @@ class AppProvider with ChangeNotifier {
           .getManualSelectionForContact(latestContact);
       final selection =
           manualSelection ??
-          await _pathHistoryService.getSelectionForContact(
+          await _pathHistoryService.getSelectionForContact(latestContact);
-            latestContact,
-            autoRouteRotationEnabled: _autoRouteRotationEnabled,
-          );
       session = _DirectMessageRouteSession(
         currentSelection: selection,
         originalRoute: ContactRouteCodec.fromContact(latestContact),
-        usedManualOverride: manualSelection != null,
         routerFallbackAttempted: false,
       );
     }
 
     if (!session.routerFallbackAttempted) {
-      final currentSignature = session.currentSelection.hasDirectPath
-          ? session.currentSelection.pathBytes
-                .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
-                .join()
-          : null;
       final selection = await _resolveDirectMessageSelectionForRetry(
         latestContact,
         retryAttempt: retryAttempt,
-        currentSignature: currentSignature,
         fallbackSelection: session.currentSelection,
       );
       session = session.copyWith(currentSelection: selection);
@@ -1891,26 +1861,17 @@ class AppProvider with ChangeNotifier {
   Future<PathSelection> _resolveDirectMessageSelectionForRetry(
     Contact contact, {
     required int retryAttempt,
-    required String? currentSignature,
     required PathSelection fallbackSelection,
   }) async {
     if (retryAttempt == 2) {
       return PathSelection.flood();
     }
 
-    if (retryAttempt >= 3) {
+    if (retryAttempt < 2 &&
-      final historicalSelection = await _pathHistoryService
+        !fallbackSelection.hasDirectPath &&
-          .getLastSuccessfulDirectSelection(
+        contact.routeHasPath &&
-            contact,
+        contact.routeHopCount > 0) {
-            excludeSignature: currentSignature,
+      return _pathHistoryService.getSelectionForContact(contact);
-            senderLatitude: locationTrackingService.currentPosition?.latitude,
-            senderLongitude: locationTrackingService.currentPosition?.longitude,
-            recipientLatitude: contact.displayLocation?.latitude,
-            recipientLongitude: contact.displayLocation?.longitude,
-          );
-      if (historicalSelection != null) {
-        return historicalSelection;
-      }
     }
 
     return fallbackSelection;
@@ -2020,32 +1981,19 @@ class AppProvider with ChangeNotifier {
 
     final latestContact =
         contactsProvider.findContactByKey(contact.publicKey) ?? contact;
+    final manualSelection = await _pathHistoryService.getManualSelectionForContact(
+      latestContact,
+    );
     final session =
         _directMessageRouteSessions[messageId] ??
         _DirectMessageRouteSession(
           currentSelection:
-              await _pathHistoryService.getManualSelectionForContact(
+              manualSelection ??
-                latestContact,
+              await _pathHistoryService.getSelectionForContact(latestContact),
-              ) ??
-              await _pathHistoryService.getSelectionForContact(
-                latestContact,
-                autoRouteRotationEnabled: _autoRouteRotationEnabled,
-              ),
           originalRoute: ContactRouteCodec.fromContact(latestContact),
-          usedManualOverride:
-              await _pathHistoryService.getManualSelectionForContact(
-                latestContact,
-              ) !=
-              null,
           routerFallbackAttempted: false,
         );
 
-    await _pathHistoryService.recordPathResult(
-      latestContact.publicKeyHex,
-      session.currentSelection,
-      success: false,
-    );
-
     final repeater = _nearestRouterSelector.select(
       senderPosition: locationTrackingService.currentPosition,
       repeaters: contactsProvider.repeaters,
@@ -2089,33 +2037,10 @@ class AppProvider with ChangeNotifier {
       return;
     }
 
-    unawaited(
+    if (session.currentSelection.usesFlood ||
-      () async {
+        session.currentSelection.mode == PathSelectionMode.nearestRouter) {
-        await _pathHistoryService.recordPathResult(
+      messagesProvider.queueDeliveredMessageRouteRefresh(messageId, contact);
-          contact.publicKeyHex,
-          session.currentSelection,
-          success: true,
-          roundTripTimeMs: roundTripTimeMs,
-          senderLatitude: locationTrackingService.currentPosition?.latitude,
-          senderLongitude: locationTrackingService.currentPosition?.longitude,
-          recipientLatitude: contact.displayLocation?.latitude,
-          recipientLongitude: contact.displayLocation?.longitude,
-        );
-        if (!session.usedManualOverride) {
-          return;
     }
-        if (session.currentSelection.mode == PathSelectionMode.directCurrent ||
-            session.currentSelection.mode ==
-                PathSelectionMode.directHistorical) {
-          await _pathHistoryService.setManualSelectionFor(
-            contact.publicKeyHex,
-            session.currentSelection,
-          );
-          return;
-        }
-        await _pathHistoryService.clearManualRouteFor(contact.publicKeyHex);
-      }(),
-    );
   }
 
   Future<void> _handleDirectMessageFinalFailure({
@@ -2126,16 +2051,6 @@ class AppProvider with ChangeNotifier {
         contactsProvider.findContactByKey(contact.publicKey) ?? contact;
     final session = _directMessageRouteSessions.remove(messageId);
     if (session != null) {
-      await _pathHistoryService.recordPathResult(
-        latestContact.publicKeyHex,
-        session.currentSelection,
-        success: false,
-      );
-      if (session.usedManualOverride) {
-        await _pathHistoryService.clearManualRouteFor(
-          latestContact.publicKeyHex,
-        );
-      }
       if (session.routerFallbackAttempted) {
         await _restoreRouteOnDevice(latestContact, session.originalRoute);
       }
@@ -2157,6 +2072,12 @@ class AppProvider with ChangeNotifier {
     return bytes.map((byte) => byte.toRadixString(16).padLeft(2, '0')).join();
   }
 
+  String _publicKeyHex(Uint8List publicKey) {
+    return publicKey
+        .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
+        .join();
+  }
+
   /// Estimate contact location from the received message path.
   ///
   /// When we receive a message, the path bytes describe how it traveled:
@@ -2207,22 +2128,6 @@ class AppProvider with ChangeNotifier {
     );
   }
 
-  Future<void> _learnPathFromPublicMessage({
-    required Contact contact,
-    required List<int> pathBytes,
-  }) async {
-    final preferred = await RouteHashPreferences.getHashSize();
-    final inferredHashSize = _inferReceivedPathHashSize(
-      pathBytes,
-      preferredHashSize: preferred,
-    );
-    await _pathHistoryService.recordReceivedBytePath(
-      contact.publicKeyHex,
-      pathBytes,
-      inferredHashSize,
-    );
-  }
-
   Future<void> _retainAdvertRxPath(Uint8List publicKey) async {
     final decoded = _findBestMatchingAdvertRxRoute(publicKey);
     if (decoded == null || decoded.pathBytes.isEmpty) {
@@ -2248,11 +2153,6 @@ class AppProvider with ChangeNotifier {
       paddedPathBytes: parsedRoute.paddedPathBytes,
       devicePublicKey: connectionProvider.deviceInfo.publicKey,
     );
-    await _pathHistoryService.recordReceivedBytePath(
-      publicKey.map((byte) => byte.toRadixString(16).padLeft(2, '0')).join(),
-      decoded.pathBytes,
-      decoded.hashSize,
-    );
   }
 
   /// Handle pushAdvert (0x80) — matches the official MeshCore app flow:
@@ -2593,22 +2493,6 @@ class AppProvider with ChangeNotifier {
     }
   }
 
-  int _inferReceivedPathHashSize(
-    List<int> pathBytes, {
-    required int preferredHashSize,
-  }) {
-    final preferred = preferredHashSize;
-    final candidates = {preferred, 3, 2, 1}.toList();
-    for (final candidate in candidates) {
-      if (candidate >= 1 &&
-          candidate <= 3 &&
-          pathBytes.length % candidate == 0) {
-        return candidate;
-      }
-    }
-    return 1;
-  }
-
   /// Initialize the app (load contacts, sync time, etc.)
   Future<void> initialize() async {
     if (!connectionProvider.deviceInfo.isConnected) return;

lib/providers/messages_provider.dart

@@ -24,6 +24,7 @@ typedef DisplayMessageEntry = ({Message message, int occurrenceCount});
 class MessagesProvider with ChangeNotifier {
   static const Duration _channelEchoWarningDelay = Duration(seconds: 12);
   static const Duration _receivedDuplicateWindow = Duration(seconds: 5);
+  static const Duration _deliveredRouteRefreshWindow = Duration(seconds: 30);
 
   final List<Message> _messages = [];
   final Map<String, SarMarker> _sarMarkers = {};
@@ -38,6 +39,9 @@ class MessagesProvider with ChangeNotifier {
   final Map<String, MessageReceptionDetails> _messageReceptionDetails = {};
   final Map<String, MessageTransferDetails> _messageTransferDetails = {};
   final Map<String, MessageRouteMetadata> _messageRouteMetadata = {};
+  final Map<String, List<_PendingDeliveredRouteRefresh>>
+  _pendingDeliveredRouteRefreshByContact =
+      <String, List<_PendingDeliveredRouteRefresh>>{};
   String? _storageNamespace;
 
   // Track pending sent messages by expected ACK/TAG
@@ -199,6 +203,83 @@ class MessagesProvider with ChangeNotifier {
     notifyListeners();
   }
 
+  void queueDeliveredMessageRouteRefresh(String messageId, Contact contact) {
+    if (messageId.isEmpty || contact.publicKeyHex.isEmpty) {
+      return;
+    }
+
+    _prunePendingDeliveredRouteRefresh();
+    final queue = _pendingDeliveredRouteRefreshByContact.putIfAbsent(
+      contact.publicKeyHex,
+      () => <_PendingDeliveredRouteRefresh>[],
+    );
+    queue.removeWhere((entry) => entry.messageId == messageId);
+    queue.add(
+      _PendingDeliveredRouteRefresh(
+        messageId: messageId,
+        queuedAt: DateTime.now(),
+      ),
+    );
+  }
+
+  bool applyDeliveredMessageRouteFromContact(Contact contact) {
+    if (!contact.routeHasPath ||
+        contact.routeHopCount <= 0 ||
+        contact.publicKeyHex.isEmpty) {
+      return false;
+    }
+
+    _prunePendingDeliveredRouteRefresh();
+    final queue = _pendingDeliveredRouteRefreshByContact[contact.publicKeyHex];
+    if (queue == null || queue.isEmpty) {
+      return false;
+    }
+
+    while (queue.isNotEmpty) {
+      final pending = queue.removeAt(0);
+      final index = _messages.indexWhere(
+        (message) => message.id == pending.messageId,
+      );
+      if (index == -1) {
+        continue;
+      }
+
+      final message = _messages[index];
+      if (!message.isContactMessage ||
+          message.deliveryStatus != MessageDeliveryStatus.delivered) {
+        continue;
+      }
+
+      final existingMetadata = _messageRouteMetadata[pending.messageId];
+      _messageRouteMetadata[pending.messageId] = MessageRouteMetadata(
+        mode: PathSelectionMode.directCurrent,
+        routerFallbackAttempted:
+            existingMetadata?.routerFallbackAttempted ?? false,
+        canonicalPath: contact.routeCanonicalText.isEmpty
+            ? null
+            : contact.routeCanonicalText,
+        hopCount: contact.routeHopCount,
+      );
+      _messages[index] = message.copyWith(
+        pathLen: contact.routeHopCount,
+        usedFloodFallback: false,
+      );
+
+      if (queue.isEmpty) {
+        _pendingDeliveredRouteRefreshByContact.remove(contact.publicKeyHex);
+      }
+
+      _persistMessages();
+      notifyListeners();
+      return true;
+    }
+
+    if (queue.isEmpty) {
+      _pendingDeliveredRouteRefreshByContact.remove(contact.publicKeyHex);
+    }
+    return false;
+  }
+
   /// Set localizations for notifications
   void setLocalizations(AppLocalizations localizations) {
     _localizations = localizations;
@@ -2555,6 +2636,7 @@ class MessagesProvider with ChangeNotifier {
         _pendingSentMessages.remove(message.expectedAckTag);
       }
       _clearAckHistoryForMessage(messageId);
+      _removePendingDeliveredRouteRefresh(messageId);
 
       // Clear retry tracking
       _retryManager.clearRetry(messageId);
@@ -2595,6 +2677,7 @@ class MessagesProvider with ChangeNotifier {
       _pendingSentMessages.remove(message.expectedAckTag);
     }
     _clearAckHistoryForMessage(messageId);
+    _removePendingDeliveredRouteRefresh(messageId);
     _retryManager.clearRetry(messageId);
     _messageRouteMetadata.remove(messageId);
     onManualRetryPreparedCallback?.call(messageId);
@@ -2767,4 +2850,51 @@ class MessagesProvider with ChangeNotifier {
       }
     }
   }
+
+  void _prunePendingDeliveredRouteRefresh() {
+    if (_pendingDeliveredRouteRefreshByContact.isEmpty) {
+      return;
+    }
+
+    final cutoff = DateTime.now().subtract(_deliveredRouteRefreshWindow);
+    final emptyKeys = <String>[];
+    for (final entry in _pendingDeliveredRouteRefreshByContact.entries) {
+      entry.value.removeWhere(
+        (pending) => pending.queuedAt.isBefore(cutoff),
+      );
+      if (entry.value.isEmpty) {
+        emptyKeys.add(entry.key);
+      }
+    }
+    for (final key in emptyKeys) {
+      _pendingDeliveredRouteRefreshByContact.remove(key);
+    }
+  }
+
+  void _removePendingDeliveredRouteRefresh(String messageId) {
+    if (_pendingDeliveredRouteRefreshByContact.isEmpty) {
+      return;
+    }
+
+    final emptyKeys = <String>[];
+    for (final entry in _pendingDeliveredRouteRefreshByContact.entries) {
+      entry.value.removeWhere((pending) => pending.messageId == messageId);
+      if (entry.value.isEmpty) {
+        emptyKeys.add(entry.key);
+      }
+    }
+    for (final key in emptyKeys) {
+      _pendingDeliveredRouteRefreshByContact.remove(key);
+    }
+  }
+}
+
+class _PendingDeliveredRouteRefresh {
+  final String messageId;
+  final DateTime queuedAt;
+
+  const _PendingDeliveredRouteRefresh({
+    required this.messageId,
+    required this.queuedAt,
+  });
 }

lib/screens/settings_screen.dart

@@ -1486,19 +1486,6 @@ class _SettingsScreenState extends State<SettingsScreen> {
               trailing: const Icon(Icons.chevron_right),
               onTap: _showRouteHashSizeDialog,
             ),
-            Consumer<AppProvider>(
-              builder: (context, appProvider, child) => SwitchListTile(
-                secondary: Icon(Icons.swap_horiz),
-                title: Text(AppLocalizations.of(context)!.autoRouteRotation),
-                subtitle: const Text(
-                  'Rotate between best known direct paths and flood mode for room/contact sends',
-                ),
-                value: appProvider.autoRouteRotationEnabled,
-                onChanged: (value) async {
-                  await appProvider.toggleAutoRouteRotationEnabled(value);
-                },
-              ),
-            ),
             Consumer<AppProvider>(
               builder: (context, appProvider, child) => SwitchListTile(
                 secondary: Icon(Icons.route),

lib/services/app_config_snapshot_service.dart

@@ -23,7 +23,6 @@ class AppConfigSnapshotService {
       voiceEchoCancellationEnabled: appProvider.isVoiceEchoCancellationEnabled,
       voiceNoiseSuppressionEnabled: appProvider.isVoiceNoiseSuppressionEnabled,
       messageFontScale: appProvider.messageFontScale,
-      autoRouteRotationEnabled: appProvider.autoRouteRotationEnabled,
       clearPathOnMaxRetry: appProvider.clearPathOnMaxRetry,
       nearestRelayFallbackEnabled: appProvider.nearestRelayFallbackEnabled,
       voiceBitrate: await VoiceBitratePreferences.getBitrate(),
@@ -98,11 +97,6 @@ class AppConfigSnapshotService {
     if (section.messageFontScale != null) {
       await appProvider.setMessageFontScale(section.messageFontScale!);
     }
-    if (section.autoRouteRotationEnabled != null) {
-      await appProvider.toggleAutoRouteRotationEnabled(
-        section.autoRouteRotationEnabled!,
-      );
-    }
     if (section.clearPathOnMaxRetry != null) {
       await appProvider.toggleClearPathOnMaxRetry(section.clearPathOnMaxRetry!);
     }

lib/services/messaging_route_preferences.dart

@@ -2,30 +2,20 @@ import 'package:shared_preferences/shared_preferences.dart';
 import 'profiles_feature_service.dart';
 
 class MessagingRoutePreferences {
-  static const bool defaultAutoRouteRotationEnabled = false;
   static const bool defaultClearPathOnMaxRetry = false;
   static const bool defaultNearestRelayFallbackEnabled = true;
 
-  static const String _autoRouteRotationKey =
+  static const String _legacyAutoRouteRotationKey =
       'messaging_auto_route_rotation_enabled';
   static const String _clearPathOnMaxRetryKey =
       'messaging_clear_path_on_max_retry';
   static const String _nearestRelayFallbackKey =
       'messaging_nearest_relay_fallback_enabled';
 
-  static Future<bool> getAutoRouteRotationEnabled() async {
+  static Future<void> cleanupLegacySettings() async {
     final prefs = await SharedPreferences.getInstance();
-    return prefs.getBool(
+    await prefs.remove(
-          ProfileStorageScope.scopedKey(_autoRouteRotationKey),
+      ProfileStorageScope.scopedKey(_legacyAutoRouteRotationKey),
-        ) ??
-        defaultAutoRouteRotationEnabled;
-  }
-
-  static Future<void> setAutoRouteRotationEnabled(bool enabled) async {
-    final prefs = await SharedPreferences.getInstance();
-    await prefs.setBool(
-      ProfileStorageScope.scopedKey(_autoRouteRotationKey),
-      enabled,
     );
   }
 

lib/services/path_history_service.dart

@@ -1,13 +1,10 @@
 import 'dart:convert';
 
 import 'package:flutter/foundation.dart';
-import 'package:geolocator/geolocator.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import '../models/contact.dart';
-import '../models/path_history.dart';
 import '../models/path_selection.dart';
-import '../utils/log_rx_route_decoder.dart';
 
 class _ManualPathSelectionRecord {
   final List<int> pathBytes;
@@ -46,46 +43,19 @@ class _ManualPathSelectionRecord {
 }
 
 class PathHistoryService {
-  static const String _storageKey = 'contact_path_history_v2';
+  static const String _legacyStorageKey = 'contact_path_history_v2';
   static const String _manualRouteStorageKey =
       'contact_manual_path_overrides_v1';
-  static const int _maxDirectPaths = 20;
-  static const int _topRotationCount = 3;
 
-  final Map<String, ContactPathHistory> _cache = {};
   final Map<String, _ManualPathSelectionRecord> _manualSelections = {};
   bool _isLoaded = false;
 
   Future<void> initialize() async {
     if (_isLoaded) return;
     final prefs = await SharedPreferences.getInstance();
-    final raw = prefs.getString(_storageKey);
+    await prefs.remove(_legacyStorageKey);
-    final manualRaw = prefs.getString(_manualRouteStorageKey);
-    if (raw == null || raw.isEmpty) {
-      if (manualRaw == null || manualRaw.isEmpty) {
-        _isLoaded = true;
-        return;
-      }
-    }
 
-    try {
+    final manualRaw = prefs.getString(_manualRouteStorageKey);
-      if (raw != null && raw.isNotEmpty) {
-        final decoded = jsonDecode(raw);
-        if (decoded is Map<String, dynamic>) {
-          for (final entry in decoded.entries) {
-            final value = entry.value;
-            if (value is Map<String, dynamic>) {
-              _cache[entry.key] = ContactPathHistory.fromJson(
-                entry.key,
-                value,
-              );
-            }
-          }
-        }
-      }
-    } catch (error) {
-      debugPrint('⚠️ [PathHistoryService] Failed to load history: $error');
-    }
     try {
       if (manualRaw != null && manualRaw.isNotEmpty) {
         final decoded = jsonDecode(manualRaw);
@@ -104,220 +74,30 @@ class PathHistoryService {
         '⚠️ [PathHistoryService] Failed to load manual routes: $error',
       );
     }
+
     _isLoaded = true;
   }
 
-  Future<void> recordReceivedBytePath(
+  Future<PathSelection> getSelectionForContact(Contact contact) async {
-    String contactPublicKeyHex,
-    List<int> pathBytes,
-    int hashSize,
-  ) async {
-    await initialize();
-    if (pathBytes.isEmpty) {
-      return;
-    }
-    if (hashSize < 1 || hashSize > 3) {
-      return;
-    }
-    if (pathBytes.length % hashSize != 0) {
-      return;
-    }
-
-    final normalizedPathBytes = LogRxRouteDecoder.reverseHopBytes(
-      pathBytes,
-      hashSize: hashSize,
-    );
-
-    final history = _historyFor(contactPublicKeyHex);
-    final signature = normalizedPathBytes
-        .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
-        .join();
-    final existing = _findDirectPath(history.directPaths, signature);
-    final updated = PathRecord(
-      pathBytes: normalizedPathBytes,
-      hopCount: normalizedPathBytes.length ~/ hashSize,
-      hashSize: hashSize,
-      source: PathRecordSource.observed,
-      successCount: existing?.successCount ?? 0,
-      failureCount: existing?.failureCount ?? 0,
-      lastRoundTripTimeMs: existing?.lastRoundTripTimeMs ?? 0,
-      lastUsedAt: DateTime.now(),
-      lastSucceededAt: existing?.lastSucceededAt,
-      senderLatitude: existing?.senderLatitude,
-      senderLongitude: existing?.senderLongitude,
-      recipientLatitude: existing?.recipientLatitude,
-      recipientLongitude: existing?.recipientLongitude,
-    );
-
-    await _saveHistory(
-      contactPublicKeyHex,
-      history.copyWith(
-        directPaths: _upsertDirectPath(history.directPaths, updated),
-      ),
-    );
-  }
-
-  Future<PathSelection> getSelectionForContact(
-    Contact contact, {
-    required bool autoRouteRotationEnabled,
-  }) async {
     await initialize();
     final manualSelection = _manualSelections[contact.publicKeyHex];
     if (manualSelection != null) {
       return manualSelection.toSelection();
     }
 
-    if (!autoRouteRotationEnabled) {
+    final route = ContactRouteCodec.fromContact(contact);
+    if (route == null) {
       return PathSelection.flood();
     }
 
-    final history = _historyFor(contact.publicKeyHex);
-    final ranked = List<PathRecord>.from(history.directPaths)
-      ..sort(_comparePathRecords);
-    final topPaths = ranked.take(_topRotationCount).toList();
-    if (topPaths.isEmpty) {
-      final nextFloodHistory = history.copyWith(
-        rotationIndex: history.rotationIndex + 1,
-      );
-      await _saveHistory(contact.publicKeyHex, nextFloodHistory);
-      return PathSelection.flood();
-    }
-
-    final selections =
-        topPaths
-            .map(
-              (record) => PathSelection(
-                mode: PathSelectionMode.directHistorical,
-                pathBytes: Uint8List.fromList(record.pathBytes),
-                hopCount: record.hopCount,
-                hashSize: record.hashSize,
-              ),
-            )
-            .toList()
-          ..add(PathSelection.flood());
-
-    final index = history.rotationIndex % selections.length;
-    final updatedHistory = history.copyWith(
-      rotationIndex: history.rotationIndex + 1,
-    );
-    await _saveHistory(contact.publicKeyHex, updatedHistory);
-    return selections[index];
-  }
-
-  Future<void> recordPathResult(
-    String contactPublicKeyHex,
-    PathSelection selection, {
-    required bool success,
-    int? roundTripTimeMs,
-    double? senderLatitude,
-    double? senderLongitude,
-    double? recipientLatitude,
-    double? recipientLongitude,
-  }) async {
-    await initialize();
-    final history = _historyFor(contactPublicKeyHex);
-    if (selection.usesFlood) {
-      final current = history.floodStats;
-      await _saveHistory(
-        contactPublicKeyHex,
-        history.copyWith(
-          floodStats: current.copyWith(
-            successCount: current.successCount + (success ? 1 : 0),
-            failureCount: current.failureCount + (success ? 0 : 1),
-            lastRoundTripTimeMs: success
-                ? (roundTripTimeMs ?? current.lastRoundTripTimeMs)
-                : current.lastRoundTripTimeMs,
-            lastUsedAt: DateTime.now(),
-          ),
-        ),
-      );
-      return;
-    }
-
-    final signature = _signature(selection.pathBytes);
-    final existing = _findDirectPath(history.directPaths, signature);
-    final updated = PathRecord(
-      pathBytes: selection.pathBytes.toList(),
-      hopCount: selection.hopCount,
-      hashSize: selection.hashSize,
-      source: success
-          ? PathRecordSource.learned
-          : existing?.source ?? PathRecordSource.learned,
-      successCount: (existing?.successCount ?? 0) + (success ? 1 : 0),
-      failureCount: (existing?.failureCount ?? 0) + (success ? 0 : 1),
-      lastRoundTripTimeMs: success
-          ? (roundTripTimeMs ?? existing?.lastRoundTripTimeMs ?? 0)
-          : (existing?.lastRoundTripTimeMs ?? 0),
-      lastUsedAt: DateTime.now(),
-      lastSucceededAt: success ? DateTime.now() : existing?.lastSucceededAt,
-      senderLatitude: success ? senderLatitude : existing?.senderLatitude,
-      senderLongitude: success ? senderLongitude : existing?.senderLongitude,
-      recipientLatitude:
-          success ? recipientLatitude : existing?.recipientLatitude,
-      recipientLongitude:
-          success ? recipientLongitude : existing?.recipientLongitude,
-    );
-    await _saveHistory(
-      contactPublicKeyHex,
-      history.copyWith(
-        directPaths: _upsertDirectPath(history.directPaths, updated),
-      ),
-    );
-  }
-
-  Future<PathSelection?> getLastSuccessfulDirectSelection(
-    Contact contact, {
-    String? excludeSignature,
-    double? senderLatitude,
-    double? senderLongitude,
-    double? recipientLatitude,
-    double? recipientLongitude,
-  }) async {
-    await initialize();
-    final history = _historyFor(contact.publicKeyHex);
-    final ranked = history.directPaths
-        .where(
-          (record) =>
-              record.successCount > 0 &&
-              record.lastSucceededAt != null &&
-              record.signature != excludeSignature,
-        )
-        .toList()
-      ..sort((a, b) {
-        final locationCompare = _compareLocationFit(
-          a,
-          b,
-          senderLatitude: senderLatitude,
-          senderLongitude: senderLongitude,
-          recipientLatitude: recipientLatitude,
-          recipientLongitude: recipientLongitude,
-        );
-        if (locationCompare != 0) return locationCompare;
-        final succeededCompare = b.lastSucceededAt!.compareTo(
-          a.lastSucceededAt!,
-        );
-        if (succeededCompare != 0) return succeededCompare;
-        return _comparePathRecords(a, b);
-      });
-
-    if (ranked.isEmpty) {
-      return null;
-    }
-
-    final record = ranked.first;
     return PathSelection(
-      mode: PathSelectionMode.directHistorical,
+      mode: PathSelectionMode.directCurrent,
-      pathBytes: Uint8List.fromList(record.pathBytes),
+      pathBytes: Uint8List.fromList(route.pathBytes),
-      hopCount: record.hopCount,
+      hopCount: route.hopCount,
-      hashSize: record.hashSize,
+      hashSize: route.hashSize,
     );
   }
 
-  ContactPathHistory historyFor(String contactPublicKeyHex) {
-    return _cache[contactPublicKeyHex] ??
-        ContactPathHistory.empty(contactPublicKeyHex);
-  }
-
   Future<void> setManualRouteForContact(
     Contact contact,
     ParsedContactRoute route,
@@ -343,7 +123,7 @@ class PathHistoryService {
       hopCount: selection.hopCount,
       hashSize: selection.hashSize,
     );
-    await _persistState();
+    await _persistManualSelections();
   }
 
   Future<PathSelection?> getManualSelectionForContact(Contact contact) async {
@@ -354,149 +134,15 @@ class PathHistoryService {
   Future<void> clearManualRouteFor(String contactPublicKeyHex) async {
     await initialize();
     _manualSelections.remove(contactPublicKeyHex);
-    await _persistState();
+    await _persistManualSelections();
   }
 
-  Future<void> clearHistoryFor(String contactPublicKeyHex) async {
+  Future<void> _persistManualSelections() async {
-    await initialize();
-    _cache.remove(contactPublicKeyHex);
-    await _persistState();
-  }
-
-  Future<void> clearHistoryForContact(Contact contact) async {
-    await clearHistoryFor(contact.publicKeyHex);
-  }
-
-  ContactPathHistory _historyFor(String contactPublicKeyHex) {
-    return _cache.putIfAbsent(
-      contactPublicKeyHex,
-      () => ContactPathHistory.empty(contactPublicKeyHex),
-    );
-  }
-
-  Future<void> _saveHistory(
-    String contactPublicKeyHex,
-    ContactPathHistory history,
-  ) async {
-    _cache[contactPublicKeyHex] = history;
-    await _persistState();
-  }
-
-  Future<void> _persistState() async {
     final prefs = await SharedPreferences.getInstance();
-    final payload = <String, dynamic>{};
-    for (final entry in _cache.entries) {
-      payload[entry.key] = entry.value.toJson();
-    }
     final manualPayload = <String, dynamic>{};
     for (final entry in _manualSelections.entries) {
       manualPayload[entry.key] = entry.value.toJson();
     }
-    await prefs.setString(_storageKey, jsonEncode(payload));
     await prefs.setString(_manualRouteStorageKey, jsonEncode(manualPayload));
   }
-
-  List<PathRecord> _upsertDirectPath(
-    List<PathRecord> existing,
-    PathRecord updatedRecord,
-  ) {
-    final updated = List<PathRecord>.from(existing)
-      ..removeWhere((record) => record.signature == updatedRecord.signature)
-      ..insert(0, updatedRecord);
-    if (updated.length > _maxDirectPaths) {
-      return updated.take(_maxDirectPaths).toList();
-    }
-    return updated;
-  }
-
-  int _comparePathRecords(PathRecord a, PathRecord b) {
-    final successRateCompare = b.successRate.compareTo(a.successRate);
-    if (successRateCompare != 0) return successRateCompare;
-
-    final successCountCompare = b.successCount.compareTo(a.successCount);
-    if (successCountCompare != 0) return successCountCompare;
-
-    final aRtt = a.lastRoundTripTimeMs == 0 ? 1 << 30 : a.lastRoundTripTimeMs;
-    final bRtt = b.lastRoundTripTimeMs == 0 ? 1 << 30 : b.lastRoundTripTimeMs;
-    final rttCompare = aRtt.compareTo(bRtt);
-    if (rttCompare != 0) return rttCompare;
-
-    return b.lastUsedAt.compareTo(a.lastUsedAt);
-  }
-
-  PathRecord? _findDirectPath(List<PathRecord> records, String signature) {
-    for (final record in records) {
-      if (record.signature == signature) {
-        return record;
-      }
-    }
-    return null;
-  }
-
-  String _signature(Uint8List bytes) =>
-      bytes.map((byte) => byte.toRadixString(16).padLeft(2, '0')).join();
-
-  int _compareLocationFit(
-    PathRecord a,
-    PathRecord b, {
-    required double? senderLatitude,
-    required double? senderLongitude,
-    required double? recipientLatitude,
-    required double? recipientLongitude,
-  }) {
-    final aDistance = _locationDistanceScore(
-      a,
-      senderLatitude: senderLatitude,
-      senderLongitude: senderLongitude,
-      recipientLatitude: recipientLatitude,
-      recipientLongitude: recipientLongitude,
-    );
-    final bDistance = _locationDistanceScore(
-      b,
-      senderLatitude: senderLatitude,
-      senderLongitude: senderLongitude,
-      recipientLatitude: recipientLatitude,
-      recipientLongitude: recipientLongitude,
-    );
-    return aDistance.compareTo(bDistance);
-  }
-
-  double _locationDistanceScore(
-    PathRecord record, {
-    required double? senderLatitude,
-    required double? senderLongitude,
-    required double? recipientLatitude,
-    required double? recipientLongitude,
-  }) {
-    var total = 0.0;
-    var matched = false;
-
-    if (senderLatitude != null &&
-        senderLongitude != null &&
-        record.senderLatitude != null &&
-        record.senderLongitude != null) {
-      matched = true;
-      total += Geolocator.distanceBetween(
-        senderLatitude,
-        senderLongitude,
-        record.senderLatitude!,
-        record.senderLongitude!,
-      );
-    }
-
-    if (recipientLatitude != null &&
-        recipientLongitude != null &&
-        record.recipientLatitude != null &&
-        record.recipientLongitude != null) {
-      matched = true;
-      total += Geolocator.distanceBetween(
-        recipientLatitude,
-        recipientLongitude,
-        record.recipientLatitude!,
-        record.recipientLongitude!,
-      );
-    }
-
-    return matched ? total : double.infinity;
-  }
 }

lib/widgets/contacts/contact_route_dialog.dart

@@ -6,11 +6,9 @@ import 'package:latlong2/latlong.dart';
 import 'package:provider/provider.dart';
 
 import '../../models/contact.dart';
-import '../../models/path_history.dart';
 import '../../l10n/app_localizations.dart';
 import '../../providers/app_provider.dart';
 import '../../providers/connection_provider.dart';
-import '../../services/path_history_service.dart';
 import '../../services/relay_candidate_sorter.dart';
 import '../../services/route_hash_preferences.dart';
 
@@ -72,7 +70,6 @@ class ContactRouteDialog extends StatefulWidget {
 class _ContactRouteDialogState extends State<ContactRouteDialog> {
   late final TextEditingController _controller;
   late final TextEditingController _relaySearchController;
-  final PathHistoryService _pathHistoryService = PathHistoryService();
   final RelayCandidateSorter _relayCandidateSorter =
       const RelayCandidateSorter();
   int _selectedHashSize = RouteHashPreferences.defaultHashSize;
@@ -80,7 +77,6 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
   String? _errorText;
   bool _showRoutingInfo = false;
   List<Contact> _selectedMapHops = const [];
-  ContactPathHistory? _pathHistory;
 
   @override
   void initState() {
@@ -91,7 +87,6 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
     _relaySearchController = TextEditingController();
     _controller.addListener(_reparse);
     _loadHashSizePreference();
-    _loadPathHistory();
     _reparse();
   }
 
@@ -182,16 +177,6 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
     _reparse();
   }
 
-  Future<void> _loadPathHistory() async {
-    await _pathHistoryService.initialize();
-    if (!mounted) return;
-    setState(() {
-      _pathHistory = _pathHistoryService.historyFor(
-        widget.contact.publicKeyHex,
-      );
-    });
-  }
-
   String _tokenFor(Contact contact, int hashSize) {
     final hex = contact.publicKeyHex.toUpperCase();
     final length = hashSize * 2;
@@ -237,21 +222,6 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
     });
   }
 
-  void _applyHistoryRecord(PathRecord record) {
-    final canonicalText = _canonicalRouteFromBytes(
-      record.pathBytes,
-      hashSize: record.hashSize,
-    );
-    setState(() {
-      _controller.text = canonicalText;
-      _controller.selection = TextSelection.fromPosition(
-        TextPosition(offset: _controller.text.length),
-      );
-      _errorText = null;
-    });
-    _reparse();
-  }
-
   LatLng? _resolveLastHopLocation() {
     if (_selectedMapHops.isNotEmpty) {
       return _selectedMapHops.last.displayLocation == null
@@ -302,86 +272,6 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
     );
   }
 
-  String _canonicalRouteFromBytes(
-    List<int> pathBytes, {
-    required int hashSize,
-  }) {
-    final hops = <String>[];
-    for (var i = 0; i < pathBytes.length; i += hashSize) {
-      final hop = pathBytes.sublist(i, i + hashSize);
-      hops.add(
-        hop
-            .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
-            .join()
-            .toUpperCase(),
-      );
-    }
-    return hops.join(',');
-  }
-
-  String _historySubtitle(PathRecord record) {
-    final attempts = record.successCount + record.failureCount;
-    final lastSeen = MaterialLocalizations.of(
-      context,
-    ).formatShortDate(record.lastUsedAt);
-    final sourceLabel = switch (record.source) {
-      PathRecordSource.observed => 'Observed on mesh',
-      PathRecordSource.learned => 'Learned route',
-    };
-    final successRate = attempts == 0
-        ? 'No send stats yet'
-        : '${(record.successRate * 100).round()}% success over $attempts send${attempts == 1 ? '' : 's'}';
-    final latency = record.lastRoundTripTimeMs > 0
-        ? ' • ${record.lastRoundTripTimeMs} ms'
-        : '';
-    return '$sourceLabel • $successRate • Last used $lastSeen$latency';
-  }
-
-  Widget _buildHistoryRecordTile(PathRecord record, {String? title}) {
-    final canonicalText = _canonicalRouteFromBytes(
-      record.pathBytes,
-      hashSize: record.hashSize,
-    );
-    return Card(
-      margin: EdgeInsets.zero,
-      child: ListTile(
-        contentPadding: const EdgeInsets.symmetric(
-          horizontal: 16,
-          vertical: 10,
-        ),
-        leading: title == null ? null : const Icon(Icons.alt_route),
-        title: title == null
-            ? Text(
-                canonicalText,
-                style: Theme.of(
-                  context,
-                ).textTheme.bodyMedium?.copyWith(fontFamily: 'monospace'),
-              )
-            : Column(
-                crossAxisAlignment: CrossAxisAlignment.start,
-                children: [
-                  Text(title, style: Theme.of(context).textTheme.titleSmall),
-                  const SizedBox(height: 6),
-                  Text(
-                    canonicalText,
-                    style: Theme.of(
-                      context,
-                    ).textTheme.bodyMedium?.copyWith(fontFamily: 'monospace'),
-                  ),
-                ],
-              ),
-        subtitle: Padding(
-          padding: const EdgeInsets.only(top: 6),
-          child: Text(_historySubtitle(record)),
-        ),
-        trailing: FilledButton.tonal(
-          onPressed: () => _applyHistoryRecord(record),
-          child: Text(AppLocalizations.of(context)!.use),
-        ),
-      ),
-    );
-  }
-
   Widget _buildPreviewSection() {
     final previewRoute = _effectiveRoute;
     if (previewRoute == null) {
@@ -676,7 +566,6 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
               _showRoutingInfo = !_showRoutingInfo;
             });
           },
-          autoRouteRotationEnabled: appProvider.autoRouteRotationEnabled,
           nearestRelayFallbackEnabled: appProvider.nearestRelayFallbackEnabled,
           clearPathOnMaxRetry: appProvider.clearPathOnMaxRetry,
         ),
@@ -685,79 +574,6 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
     );
   }
 
-  Widget _buildHistoryTab() {
-    final records = List<PathRecord>.from(_pathHistory?.directPaths ?? const [])
-      ..sort((a, b) => b.lastUsedAt.compareTo(a.lastUsedAt));
-    if (records.isEmpty) {
-      return Center(
-        child: Padding(
-          padding: const EdgeInsets.all(24),
-          child: Text(
-            'No historical paths for this contact yet.',
-            style: Theme.of(context).textTheme.bodyMedium,
-            textAlign: TextAlign.center,
-          ),
-        ),
-      );
-    }
-
-    PathRecord? observedRecord;
-    for (final record in records) {
-      if (record.source == PathRecordSource.observed) {
-        observedRecord = record;
-        break;
-      }
-    }
-    final remainingRecords = observedRecord == null
-        ? records
-        : records
-              .where((record) => !identical(record, observedRecord))
-              .toList();
-
-    return Column(
-      crossAxisAlignment: CrossAxisAlignment.start,
-      children: [
-        Align(
-          alignment: Alignment.centerRight,
-          child: TextButton(
-            onPressed: () async {
-              await _pathHistoryService.clearHistoryForContact(widget.contact);
-              if (!mounted) return;
-              setState(() {
-                _pathHistory = _pathHistoryService.historyFor(
-                  widget.contact.publicKeyHex,
-                );
-              });
-            },
-            child: const Text('Clear history'),
-          ),
-        ),
-        const SizedBox(height: 8),
-        if (observedRecord != null) ...[
-          _buildHistoryRecordTile(observedRecord, title: AppLocalizations.of(context)!.observedMeshRoute),
-          const SizedBox(height: 16),
-        ],
-        if (remainingRecords.isEmpty)
-          Text(
-            observedRecord == null
-                ? 'No additional route history yet.'
-                : 'Observed routes you start using will continue to build history here.',
-            style: Theme.of(context).textTheme.bodyMedium,
-          )
-        else
-          ListView.separated(
-            itemCount: remainingRecords.length,
-            shrinkWrap: true,
-            physics: const NeverScrollableScrollPhysics(),
-            separatorBuilder: (_, _) => const SizedBox(height: 8),
-            itemBuilder: (context, index) {
-              return _buildHistoryRecordTile(remainingRecords[index]);
-            },
-          ),
-      ],
-    );
-  }
-
   @override
   Widget build(BuildContext context) {
     final effectiveRoute = _effectiveRoute;
@@ -802,14 +618,13 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
     ];
 
     return DefaultTabController(
-      length: 3,
+      length: 2,
       child: Scaffold(
         appBar: AppBar(
           title: Text('Set Path for ${widget.contact.displayName}'),
           bottom: const TabBar(
             tabs: [
               Tab(text: 'Build'),
-              Tab(text: 'History'),
               Tab(text: 'Info'),
             ],
           ),
@@ -827,12 +642,6 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
                     const SizedBox(height: 24),
                   ],
                 ),
-                ListView(
-                  children: [
-                    _buildHistoryTab(),
-                    const SizedBox(height: 24),
-                  ],
-                ),
                 _buildInfoTab(
                   appProvider: appProvider,
                   routeCandidates: routeCandidates,
@@ -912,14 +721,12 @@ class _RouteMarkerDot extends StatelessWidget {
 class _AutomationRoutingInfo extends StatelessWidget {
   final bool isExpanded;
   final VoidCallback onToggle;
-  final bool autoRouteRotationEnabled;
   final bool nearestRelayFallbackEnabled;
   final bool clearPathOnMaxRetry;
 
   const _AutomationRoutingInfo({
     required this.isExpanded,
     required this.onToggle,
-    required this.autoRouteRotationEnabled,
     required this.nearestRelayFallbackEnabled,
     required this.clearPathOnMaxRetry,
   });
@@ -968,7 +775,7 @@ class _AutomationRoutingInfo extends StatelessWidget {
           if (isExpanded) ...[
             const SizedBox(height: 8),
             Text(
-              'Room/contact sends keep one selected path for the whole send chain, retry up to 5 total attempts with 1s, 2s, 4s, and 8s backoff, then try one final nearest repeater if everything else fails.',
+              'Room/contact sends use the current direct path when one is known, switch to flood on the last normal retry, then try one final nearest repeater if everything else fails.',
               style: Theme.of(context).textTheme.bodySmall,
             ),
             const SizedBox(height: 8),
@@ -981,12 +788,6 @@ class _AutomationRoutingInfo extends StatelessWidget {
               spacing: 8,
               runSpacing: 8,
               children: [
-                _InfoChip(
-                  label: autoRouteRotationEnabled
-                      ? 'Auto route rotation on'
-                      : 'Auto route rotation off',
-                  icon: Icons.swap_horiz,
-                ),
                 _InfoChip(
                   label: nearestRelayFallbackEnabled
                       ? 'Nearest repeater fallback on'
@@ -1004,7 +805,7 @@ class _AutomationRoutingInfo extends StatelessWidget {
           ] else ...[
             const SizedBox(height: 6),
             Text(
-              'Shows retry, rotation, and final repeater fallback behavior.',
+              'Shows retry and final repeater fallback behavior.',
               style: Theme.of(context).textTheme.bodySmall,
             ),
           ],

lib/widgets/contacts/contact_tile.dart

@@ -850,12 +850,6 @@ class ContactTile extends StatelessWidget {
         signedEncodedPathLen: parsedRoute.signedEncodedPathLen,
         paddedPathBytes: parsedRoute.paddedPathBytes,
       );
-      await pathHistoryService.clearHistoryForContact(
-        contact.copyWith(
-          outPathLen: parsedRoute.signedEncodedPathLen,
-          outPath: Uint8List.fromList(parsedRoute.paddedPathBytes),
-        ),
-      );
       await pathHistoryService.setManualRouteForContact(contact, parsedRoute);
       if (context.mounted) {
         final routeLabel = parsedRoute.hopCount == 0

test/providers/messages_provider_retransmission_test.dart

@@ -10,13 +10,16 @@ import 'package:meshcore_sar_app/providers/helpers/message_retry_manager.dart';
 import 'package:meshcore_sar_app/providers/messages_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
-Contact _buildContact() {
+Contact _buildContact({
+  int outPathLen = 1,
+  List<int> outPath = const [1, 2, 3, 4],
+}) {
   return Contact(
     publicKey: Uint8List.fromList(List<int>.generate(32, (i) => i)),
     type: ContactType.chat,
     flags: 0,
-    outPathLen: 1,
+    outPathLen: outPathLen,
-    outPath: Uint8List.fromList([1, 2, 3, 4]),
+    outPath: Uint8List.fromList(outPath),
     advName: 'Teammate',
     lastAdvert: 1700000000,
     advLat: 0,
@@ -162,6 +165,42 @@ void main() {
       expect(provider.messages.single.roundTripTimeMs, 190);
     });
 
+    test('delivered flood message upgrades to learned direct route from ACK path', () {
+      final provider = MessagesProvider();
+      final contactWithoutRoute = _buildContact(outPathLen: -1, outPath: []);
+      provider.addSentMessage(
+        _buildDirectMessage('m1d'),
+        contact: contactWithoutRoute,
+      );
+      provider.updateMessageRouteSelection(
+        'm1d',
+        PathSelection.flood(),
+        routerFallbackAttempted: false,
+      );
+
+      provider.markMessageSent('m1d', 80, 250);
+      provider.markMessageDelivered(80, 200);
+      provider.queueDeliveredMessageRouteRefresh('m1d', contactWithoutRoute);
+
+      final applied = provider.applyDeliveredMessageRouteFromContact(
+        _buildContact(outPathLen: 2, outPath: const [0xAA, 0xBB]),
+      );
+
+      expect(applied, isTrue);
+      expect(provider.messages.single.deliveryStatus, MessageDeliveryStatus.delivered);
+      expect(provider.messages.single.usedFloodFallback, isFalse);
+      expect(provider.messages.single.pathLen, 2);
+      expect(
+        provider.getMessageRouteMetadata('m1d')?.mode,
+        PathSelectionMode.directCurrent,
+      );
+      expect(
+        provider.getMessageRouteMetadata('m1d')?.canonicalPath,
+        'AA,BB',
+      );
+      expect(provider.getMessageRouteMetadata('m1d')?.hopCount, 2);
+    });
+
     test('channel messages are marked sent immediately', () {
       final provider = MessagesProvider();
       provider.resolveContactNameCallback = (_) => 'dz0ny (SI)';

test/services/messaging_route_preferences_test.dart

@@ -10,11 +10,7 @@ void main() {
     SharedPreferences.setMockInitialValues({});
   });
 
-  test('route preference defaults are disabled', () async {
+  test('route preference defaults are clear-path disabled and fallback enabled', () async {
-    expect(
-      await MessagingRoutePreferences.getAutoRouteRotationEnabled(),
-      isFalse,
-    );
     expect(await MessagingRoutePreferences.getClearPathOnMaxRetry(), isFalse);
     expect(
       await MessagingRoutePreferences.getNearestRelayFallbackEnabled(),
@@ -23,18 +19,29 @@ void main() {
   });
 
   test('route preferences persist changes', () async {
-    await MessagingRoutePreferences.setAutoRouteRotationEnabled(true);
     await MessagingRoutePreferences.setClearPathOnMaxRetry(true);
     await MessagingRoutePreferences.setNearestRelayFallbackEnabled(false);
 
-    expect(
-      await MessagingRoutePreferences.getAutoRouteRotationEnabled(),
-      isTrue,
-    );
     expect(await MessagingRoutePreferences.getClearPathOnMaxRetry(), isTrue);
     expect(
       await MessagingRoutePreferences.getNearestRelayFallbackEnabled(),
       isFalse,
     );
   });
+
+  test('legacy auto route rotation preference is removed during cleanup', () async {
+    SharedPreferences.setMockInitialValues({
+      'messaging_auto_route_rotation_enabled': true,
+    });
+
+    final prefs = await SharedPreferences.getInstance();
+    expect(prefs.getBool('messaging_auto_route_rotation_enabled'), isTrue);
+
+    await MessagingRoutePreferences.cleanupLegacySettings();
+
+    expect(
+      prefs.containsKey('messaging_auto_route_rotation_enabled'),
+      isFalse,
+    );
+  });
 }

test/services/path_history_service_test.dart

@@ -1,44 +1,31 @@
+import 'dart:convert';
 import 'dart:typed_data';
 
 import 'package:flutter_test/flutter_test.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import 'package:meshcore_sar_app/models/contact.dart';
-import 'package:meshcore_sar_app/models/path_history.dart';
 import 'package:meshcore_sar_app/models/path_selection.dart';
 import 'package:meshcore_sar_app/services/path_history_service.dart';
 
 Contact _buildContact({
   required int seed,
-  required List<int> pathBytes,
+  List<int> pathBytes = const [],
-  required int hopCount,
+  int hopCount = 0,
-  required int hashSize,
+  int hashSize = 1,
 }) {
-  final encoded = ((hashSize - 1) << 6) | (hopCount & 0x3F);
+  final encoded = pathBytes.isEmpty ? -1 : ((hashSize - 1) << 6) | (hopCount & 0x3F);
-  final outPath = Uint8List(ContactRouteCodec.maxPathBytes)
+  final outPath = Uint8List(ContactRouteCodec.maxPathBytes);
-    ..setRange(0, pathBytes.length, pathBytes);
+  if (pathBytes.isNotEmpty) {
+    outPath.setRange(0, pathBytes.length, pathBytes);
+  }
 
   return Contact(
     publicKey: Uint8List.fromList(List<int>.generate(32, (i) => i + seed)),
     type: ContactType.chat,
     flags: 0,
-    outPathLen: ContactRouteCodec.toSignedDescriptor(encoded),
+    outPathLen: encoded == -1 ? -1 : ContactRouteCodec.toSignedDescriptor(encoded),
-    outPath: outPath,
+    outPath: encoded == -1 ? Uint8List(0) : outPath,
-    advName: 'Contact $seed',
-    lastAdvert: DateTime.now().millisecondsSinceEpoch ~/ 1000,
-    advLat: 0,
-    advLon: 0,
-    lastMod: DateTime.now().millisecondsSinceEpoch ~/ 1000,
-  );
-}
-
-Contact _buildContactWithoutRoute({required int seed}) {
-  return Contact(
-    publicKey: Uint8List.fromList(List<int>.generate(32, (i) => i + seed)),
-    type: ContactType.chat,
-    flags: 0,
-    outPathLen: -1,
-    outPath: Uint8List(0),
     advName: 'Contact $seed',
     lastAdvert: DateTime.now().millisecondsSinceEpoch ~/ 1000,
     advLat: 0,
@@ -54,117 +41,10 @@ void main() {
     SharedPreferences.setMockInitialValues({});
   });
 
-  test('auto rotation ranks best paths before flood', () async {
+  test('manual route override persists across reloads', () async {
+    final contact = _buildContact(seed: 1);
     final service = PathHistoryService();
-    final contact = _buildContactWithoutRoute(seed: 0);
-    final best = PathSelection(
-      mode: PathSelectionMode.directHistorical,
-      pathBytes: Uint8List.fromList([0xAA, 0xBB]),
-      hopCount: 2,
-      hashSize: 1,
-    );
-    final second = PathSelection(
-      mode: PathSelectionMode.directHistorical,
-      pathBytes: Uint8List.fromList([0xCC, 0xDD]),
-      hopCount: 2,
-      hashSize: 1,
-    );
-
     await service.initialize();
-    await service.recordPathResult(
-      contact.publicKeyHex,
-      best,
-      success: true,
-      roundTripTimeMs: 120,
-    );
-    await service.recordPathResult(
-      contact.publicKeyHex,
-      best,
-      success: true,
-      roundTripTimeMs: 110,
-    );
-    await service.recordPathResult(
-      contact.publicKeyHex,
-      second,
-      success: true,
-      roundTripTimeMs: 200,
-    );
-    await service.recordPathResult(
-      contact.publicKeyHex,
-      second,
-      success: false,
-    );
-
-    final first = await service.getSelectionForContact(
-      contact,
-      autoRouteRotationEnabled: true,
-    );
-    final third = await service.getSelectionForContact(
-      contact,
-      autoRouteRotationEnabled: true,
-    );
-    final secondPick = await service.getSelectionForContact(
-      contact,
-      autoRouteRotationEnabled: true,
-    );
-
-    expect(first.mode, PathSelectionMode.directHistorical);
-    expect(first.canonicalPath, 'AA,BB');
-    expect(third.mode, PathSelectionMode.directHistorical);
-    expect(third.canonicalPath, 'CC,DD');
-    expect(secondPick.mode, PathSelectionMode.flood);
-  });
-
-  test(
-    'contact route alone does not override history selection',
-    () async {
-      final service = PathHistoryService();
-      final contact = _buildContact(
-        seed: 9,
-        pathBytes: [0xAA, 0xBB, 0xCC],
-        hopCount: 1,
-        hashSize: 3,
-      );
-
-      await service.initialize();
-      await service.recordPathResult(
-        contact.publicKeyHex,
-        PathSelection(
-          mode: PathSelectionMode.directHistorical,
-          pathBytes: Uint8List.fromList([0x11, 0x22, 0x33]),
-          hopCount: 1,
-          hashSize: 3,
-        ),
-        success: true,
-        roundTripTimeMs: 90,
-      );
-
-      final selection = await service.getSelectionForContact(
-        contact,
-        autoRouteRotationEnabled: true,
-      );
-
-      expect(selection.mode, PathSelectionMode.directHistorical);
-      expect(selection.canonicalPath, '112233');
-    },
-  );
-
-  test('manual route overrides history selection until cleared', () async {
-    final service = PathHistoryService();
-    final contact = _buildContactWithoutRoute(seed: 10);
-
-    await service.initialize();
-    await service.recordPathResult(
-      contact.publicKeyHex,
-      PathSelection(
-        mode: PathSelectionMode.directHistorical,
-        pathBytes: Uint8List.fromList([0x11, 0x22]),
-        hopCount: 2,
-        hashSize: 1,
-      ),
-      success: true,
-      roundTripTimeMs: 100,
-    );
     await service.setManualSelectionFor(
       contact.publicKeyHex,
       PathSelection(
@@ -175,237 +55,129 @@ void main() {
       ),
     );
 
-    final selection = await service.getSelectionForContact(
+    final reloaded = PathHistoryService();
-      contact,
+    final selection = await reloaded.getManualSelectionForContact(contact);
-      autoRouteRotationEnabled: true,
+
+    expect(selection, isNotNull);
+    expect(selection!.mode, PathSelectionMode.directCurrent);
+    expect(selection.canonicalPath, 'AA,BB');
+  });
+
+  test('selection uses stored manual route before contact route', () async {
+    final contact = _buildContact(
+      seed: 2,
+      pathBytes: const [0x11, 0x22],
+      hopCount: 2,
+      hashSize: 1,
     );
+    final service = PathHistoryService();
+    await service.initialize();
+    await service.setManualSelectionFor(
+      contact.publicKeyHex,
+      PathSelection(
+        mode: PathSelectionMode.directCurrent,
+        pathBytes: Uint8List.fromList([0xAA, 0xBB]),
+        hopCount: 2,
+        hashSize: 1,
+      ),
+    );
+
+    final selection = await service.getSelectionForContact(contact);
 
     expect(selection.mode, PathSelectionMode.directCurrent);
     expect(selection.canonicalPath, 'AA,BB');
   });
 
-  test('no history falls back to flood', () async {
+  test('selection falls back to the current contact route', () async {
-    final service = PathHistoryService();
-    final contact = _buildContactWithoutRoute(seed: 0);
-
-    final selection = await service.getSelectionForContact(
-      contact,
-      autoRouteRotationEnabled: true,
-    );
-
-    expect(selection.mode, PathSelectionMode.flood);
-  });
-
-  test(
-    'received public byte path is reversed before adding to history',
-    () async {
-      final service = PathHistoryService();
-      await service.initialize();
-      await service.recordReceivedBytePath('abc123', [
-        0x01,
-        0x02,
-        0x03,
-        0x04,
-      ], 2);
-
-      final history = service.historyFor('abc123');
-      expect(history.directPaths, hasLength(1));
-      expect(history.directPaths.single.pathBytes, [0x03, 0x04, 0x01, 0x02]);
-      expect(history.directPaths.single.hashSize, 2);
-      expect(history.directPaths.single.hopCount, 2);
-      expect(history.directPaths.single.source, PathRecordSource.observed);
-    },
-  );
-
-  test(
-    'observed paths stay marked as observed until delivery succeeds',
-    () async {
-      final service = PathHistoryService();
     final contact = _buildContact(
       seed: 3,
-        pathBytes: [0xAA, 0xBB],
+      pathBytes: const [0x10, 0x20, 0x30],
-        hopCount: 2,
+      hopCount: 1,
-        hashSize: 1,
+      hashSize: 3,
     );
-
-      await service.initialize();
-      await service.recordReceivedBytePath(contact.publicKeyHex, [
-        0xBB,
-        0xAA,
-      ], 1);
-
-      final history = service.historyFor(contact.publicKeyHex);
-      expect(history.directPaths, hasLength(1));
-      expect(history.directPaths.single.source, PathRecordSource.observed);
-    },
-  );
-
-  test(
-    'confirmed direct delivery promotes an observed path to learned',
-    () async {
-      final service = PathHistoryService();
-      final contact = _buildContact(
-        seed: 4,
-        pathBytes: [0xAA, 0xBB],
-        hopCount: 2,
-        hashSize: 1,
-      );
-
-      await service.initialize();
-      await service.recordReceivedBytePath(contact.publicKeyHex, [
-        0xBB,
-        0xAA,
-      ], 1);
-      await service.recordPathResult(
-        contact.publicKeyHex,
-        PathSelection(
-          mode: PathSelectionMode.directHistorical,
-          pathBytes: Uint8List.fromList([0xAA, 0xBB]),
-          hopCount: 2,
-          hashSize: 1,
-        ),
-        success: true,
-        roundTripTimeMs: 150,
-      );
-
-      final history = service.historyFor(contact.publicKeyHex);
-      expect(history.directPaths, hasLength(1));
-      expect(history.directPaths.single.source, PathRecordSource.learned);
-      expect(history.directPaths.single.successCount, 1);
-      expect(history.directPaths.single.lastRoundTripTimeMs, 150);
-    },
-  );
-
-  test('clear history removes stored direct paths for one contact', () async {
     final service = PathHistoryService();
 
-    await service.initialize();
+    final selection = await service.getSelectionForContact(contact);
-    await service.recordReceivedBytePath('abc123', [0x01, 0x02], 1);
-    await service.recordReceivedBytePath('def456', [0x03, 0x04], 1);
 
-    expect(service.historyFor('abc123').directPaths, hasLength(1));
+    expect(selection.mode, PathSelectionMode.directCurrent);
-    expect(service.historyFor('def456').directPaths, hasLength(1));
+    expect(selection.canonicalPath, '102030');
-
+    expect(selection.hashSize, 3);
-    await service.clearHistoryFor('abc123');
+    expect(selection.hopCount, 1);
-
-    expect(service.historyFor('abc123').directPaths, isEmpty);
-    expect(service.historyFor('def456').directPaths, hasLength(1));
   });
 
-  test('clearing manual route falls back to flood without history', () async {
+  test('selection falls back to flood when no route exists', () async {
+    final contact = _buildContact(seed: 4);
     final service = PathHistoryService();
-    final contact = _buildContactWithoutRoute(seed: 11);
 
+    final selection = await service.getSelectionForContact(contact);
+
+    expect(selection.mode, PathSelectionMode.flood);
+    expect(selection.pathBytes, isEmpty);
+  });
+
+  test('clearing manual route falls back to the contact route', () async {
+    final contact = _buildContact(
+      seed: 5,
+      pathBytes: const [0x01, 0x02],
+      hopCount: 2,
+      hashSize: 1,
+    );
+    final service = PathHistoryService();
     await service.initialize();
     await service.setManualSelectionFor(
       contact.publicKeyHex,
       PathSelection(
         mode: PathSelectionMode.directCurrent,
-        pathBytes: Uint8List.fromList([0xAA]),
+        pathBytes: Uint8List.fromList([0xAA, 0xBB]),
-        hopCount: 1,
+        hopCount: 2,
         hashSize: 1,
       ),
     );
 
     await service.clearManualRouteFor(contact.publicKeyHex);
+    final selection = await service.getSelectionForContact(contact);
 
-    final selection = await service.getSelectionForContact(
+    expect(selection.mode, PathSelectionMode.directCurrent);
-      contact,
+    expect(selection.canonicalPath, '01,02');
-      autoRouteRotationEnabled: true,
-    );
-
-    expect(selection.mode, PathSelectionMode.flood);
   });
 
-  test(
+  test('initialize removes legacy path history storage', () async {
-    'clear history for contact leaves the contact route ignored',
+    final contact = Contact(
-    () async {
+      publicKey: Uint8List.fromList([
-      final service = PathHistoryService();
+        0xAB,
-      final contact = _buildContact(
+        0xC1,
-        seed: 5,
+        0x23,
-        pathBytes: [0xAA, 0xBB],
+        ...List<int>.filled(29, 0),
-        hopCount: 2,
+      ]),
-        hashSize: 1,
+      type: ContactType.chat,
+      flags: 0,
+      outPathLen: -1,
+      outPath: Uint8List(0),
+      advName: 'Legacy Contact',
+      lastAdvert: DateTime.now().millisecondsSinceEpoch ~/ 1000,
+      advLat: 0,
+      advLon: 0,
+      lastMod: DateTime.now().millisecondsSinceEpoch ~/ 1000,
     );
 
-      await service.initialize();
+    SharedPreferences.setMockInitialValues({
-      await service.recordPathResult(
+      'contact_path_history_v2': '{"abc123":{"direct_paths":[]}}',
-        contact.publicKeyHex,
+      'contact_manual_path_overrides_v1': jsonEncode({
-        PathSelection(
+        contact.publicKeyHex: {
-          mode: PathSelectionMode.directHistorical,
+          'pathBytes': [0xAA, 0xBB],
-          pathBytes: Uint8List.fromList([0xAA, 0xBB]),
+          'hopCount': 2,
-          hopCount: 2,
+          'hashSize': 1,
-          hashSize: 1,
-        ),
-        success: true,
-        roundTripTimeMs: 120,
-      );
-      expect(service.historyFor(contact.publicKeyHex).directPaths, hasLength(1));
-
-      await service.clearHistoryForContact(contact);
-      expect(service.historyFor(contact.publicKeyHex).directPaths, isEmpty);
-
-      final selection = await service.getSelectionForContact(
-        contact,
-        autoRouteRotationEnabled: true,
-      );
-
-      expect(selection.mode, PathSelectionMode.flood);
         },
-  );
+      }),
-
+    });
-  test('last successful direct path is chosen by location fit', () async {
     final service = PathHistoryService();
-    final contact = _buildContact(
-      seed: 7,
-      pathBytes: [0xAA],
-      hopCount: 1,
-      hashSize: 1,
-    );
 
     await service.initialize();
-    await service.recordPathResult(
-      contact.publicKeyHex,
-      PathSelection(
-        mode: PathSelectionMode.directHistorical,
-        pathBytes: Uint8List.fromList([0x11]),
-        hopCount: 1,
-        hashSize: 1,
-      ),
-      success: true,
-      roundTripTimeMs: 120,
-      senderLatitude: 46.0,
-      senderLongitude: 14.0,
-      recipientLatitude: 46.1,
-      recipientLongitude: 14.1,
-    );
-    await service.recordPathResult(
-      contact.publicKeyHex,
-      PathSelection(
-        mode: PathSelectionMode.directHistorical,
-        pathBytes: Uint8List.fromList([0x22]),
-        hopCount: 1,
-        hashSize: 1,
-      ),
-      success: true,
-      roundTripTimeMs: 90,
-      senderLatitude: 46.0001,
-      senderLongitude: 14.0001,
-      recipientLatitude: 46.1001,
-      recipientLongitude: 14.1001,
-    );
-
-    final selection = await service.getLastSuccessfulDirectSelection(
-      contact,
-      excludeSignature: 'aa',
-      senderLatitude: 46.0002,
-      senderLongitude: 14.0002,
-      recipientLatitude: 46.1002,
-      recipientLongitude: 14.1002,
-    );
 
+    final prefs = await SharedPreferences.getInstance();
+    expect(prefs.containsKey('contact_path_history_v2'), isFalse);
+    final selection = await service.getManualSelectionForContact(contact);
     expect(selection, isNotNull);
-    expect(selection!.mode, PathSelectionMode.directHistorical);
+    expect(selection!.canonicalPath, 'AA,BB');
-    expect(selection.canonicalPath, '22');
   });
 }