Update iOS Runner project version

Update Chinese translation

.github/workflows/build-artifacts.yml

@@ -12,7 +12,7 @@ permissions:
   id-token: write
 
 env:
-  FLUTTER_VERSION: "3.35.6"
+  FLUTTER_VERSION: "3.41.4"
   APP_NAME: meshcore-sar
   ANDROID_NDK_VERSION: "27.0.12077973"
 
@@ -280,7 +280,7 @@ jobs:
         run: flutter pub get
 
       - name: Build web release
-        run: flutter build web --release --base-href /meshcore_sar_app/
+        run: flutter build web --release --base-href /meshcore-sar/
 
       - name: Upload pages artifact
         uses: actions/upload-pages-artifact@v3

.github/workflows/build-multiplatform.yml

@@ -10,7 +10,7 @@ on:
   workflow_dispatch:
 
 env:
-  FLUTTER_VERSION: '3.35.6'
+  FLUTTER_VERSION: '3.41.4'
 
 jobs:
   analyze:

README.md

@@ -16,7 +16,7 @@
 
 MeshCore SAR helps teams coordinate in low-connectivity or no-connectivity environments with messaging, voice, images, maps, and live location context in one app.
 It uses the MeshCore protocol over LoRa for long-range, infrastructure-free communication.
-`iOS TestFlight:` https://testflight.apple.com/join/HhzerdHp
+`iOS TestFlight:` https://testflight.apple.com/join/nCZYMPPz
 
 ## Highlights
 

ios/Podfile.lock

@@ -59,10 +59,6 @@ PODS:
     - Flutter
   - nsd_ios (0.0.1):
     - Flutter
-  - ObjectBox (4.4.1)
-  - objectbox_flutter_libs (0.0.1):
-    - Flutter
-    - ObjectBox (= 4.4.1)
   - package_info_plus (0.4.5):
     - Flutter
   - path_provider_foundation (0.0.1):
@@ -103,7 +99,6 @@ DEPENDENCIES:
   - geolocator_apple (from `.symlinks/plugins/geolocator_apple/darwin`)
   - image_picker_ios (from `.symlinks/plugins/image_picker_ios/ios`)
   - nsd_ios (from `.symlinks/plugins/nsd_ios/ios`)
-  - objectbox_flutter_libs (from `.symlinks/plugins/objectbox_flutter_libs/ios`)
   - package_info_plus (from `.symlinks/plugins/package_info_plus/ios`)
   - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/darwin`)
   - permission_handler_apple (from `.symlinks/plugins/permission_handler_apple/ios`)
@@ -118,7 +113,6 @@ SPEC REPOS:
   trunk:
     - DKImagePickerController
     - DKPhotoGallery
-    - ObjectBox
     - SDWebImage
     - SwiftyGif
 
@@ -149,8 +143,6 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/image_picker_ios/ios"
   nsd_ios:
     :path: ".symlinks/plugins/nsd_ios/ios"
-  objectbox_flutter_libs:
-    :path: ".symlinks/plugins/objectbox_flutter_libs/ios"
   package_info_plus:
     :path: ".symlinks/plugins/package_info_plus/ios"
   path_provider_foundation:
@@ -182,12 +174,10 @@ SPEC CHECKSUMS:
   flutter_background_service_ios: 00d31bdff7b4bfe06d32375df358abe0329cf87e
   flutter_blue_plus_darwin: 20a08bfeaa0f7804d524858d3d8744bcc1b6dbc3
   flutter_compass: b236ab69b61545cce89fd58527f401a7587d5cc1
-  flutter_local_notifications: a5a732f069baa862e728d839dd2ebb904737effb
+  flutter_local_notifications: 643a3eda1ce1c0599413ca31672536d423dee214
   geolocator_apple: ab36aa0e8b7d7a2d7639b3b4e48308394e8cef5e
   image_picker_ios: e0ece4aa2a75771a7de3fa735d26d90817041326
   nsd_ios: 596ad79109ddd3e52d665f650f36428049e3653e
-  ObjectBox: 7da4aceb5013d041bfafdbc6d744a26918b09757
-  objectbox_flutter_libs: 09b1dec1b4cd27bf1a5f9bae7ccaa7e43588bf31
   package_info_plus: af8e2ca6888548050f16fa2f1938db7b5a5df499
   path_provider_foundation: bb55f6dbba17d0dccd6737fe6f7f34fbd0376880
   permission_handler_apple: 4ed2196e43d0651e8ff7ca3483a069d469701f2d

ios/Runner.xcodeproj/project.pbxproj

@@ -489,7 +489,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 100;
+				CURRENT_PROJECT_VERSION = 111;
 				DEVELOPMENT_TEAM = JND55328G8;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
@@ -511,7 +511,7 @@
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 100;
+				CURRENT_PROJECT_VERSION = 111;
 				DEVELOPMENT_TEAM = JND55328G8;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
@@ -530,7 +530,7 @@
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 100;
+				CURRENT_PROJECT_VERSION = 111;
 				DEVELOPMENT_TEAM = JND55328G8;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
@@ -547,7 +547,7 @@
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 100;
+				CURRENT_PROJECT_VERSION = 111;
 				DEVELOPMENT_TEAM = JND55328G8;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
@@ -679,7 +679,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 100;
+				CURRENT_PROJECT_VERSION = 111;
 				DEVELOPMENT_TEAM = JND55328G8;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
@@ -702,7 +702,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 100;
+				CURRENT_PROJECT_VERSION = 111;
 				DEVELOPMENT_TEAM = JND55328G8;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;

ios/Runner/AppDelegate.swift

@@ -1,5 +1,6 @@
 import UIKit
 import Flutter
+import UserNotifications
 
 @main
 @objc class AppDelegate: FlutterAppDelegate {
@@ -8,6 +9,7 @@ import Flutter
     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
   ) -> Bool {
     GeneratedPluginRegistrant.register(with: self)
+    UNUserNotificationCenter.current().delegate = self as UNUserNotificationCenterDelegate
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }
 }

ios/Runner/Info.plist

@@ -43,7 +43,7 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>100</string>
+	<string>111</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>ITSAppUsesNonExemptEncryption</key>
@@ -102,6 +102,7 @@
 	<key>UIBackgroundModes</key>
 	<array>
 		<string>location</string>
+		<string>bluetooth-central</string>
 		<string>bluetooth-peripheral</string>
 	</array>
 	<key>UILaunchStoryboardName</key>

ios/fastlane/report.xml

@@ -5,17 +5,22 @@
     
     
       
-      <testcase classname="fastlane.lanes" name="0: default_platform" time="0.000199">
+      <testcase classname="fastlane.lanes" name="0: default_platform" time="0.000256">
         
       </testcase>
     
       
-      <testcase classname="fastlane.lanes" name="1: increment_build_number" time="0.436347">
+      <testcase classname="fastlane.lanes" name="1: increment_build_number" time="0.924905">
         
       </testcase>
     
       
-      <testcase classname="fastlane.lanes" name="2: build_app" time="49.579697">
+      <testcase classname="fastlane.lanes" name="2: build_app" time="113.366384">
+        
+      </testcase>
+    
+      
+      <testcase classname="fastlane.lanes" name="3: upload_to_app_store" time="755.542625">
         
       </testcase>
     

lib/main.dart

@@ -1,4 +1,7 @@
-import 'dart:io' show Platform;
+import 'dart:async';
+
+import 'package:flutter/foundation.dart'
+    show TargetPlatform, defaultTargetPlatform, kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:provider/provider.dart';
@@ -17,9 +20,9 @@ import 'providers/app_provider.dart';
 import 'providers/sensors_provider.dart';
 import 'services/voice_codec_service.dart';
 import 'services/voice_player_service.dart';
-import 'services/tile_cache_service.dart';
 import 'services/notification_service.dart';
 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/home_screen.dart';
@@ -71,6 +74,9 @@ class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
     // Shows notification if update is available
     _checkForUpdates();
 
+    // Refresh remote mesh node cache in background when the app starts.
+    unawaited(MeshMapNodesService.syncInBackgroundIfStale());
+
     setState(() {
       _wizardCompleted = wizardCompleted;
       _isInitialized = true;
@@ -159,7 +165,7 @@ class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
   /// Shows notification if update is available
   Future<void> _checkForUpdates() async {
     // Only check for updates on Android
-    if (!Platform.isAndroid) {
+    if (kIsWeb || defaultTargetPlatform != TargetPlatform.android) {
       debugPrint('[UpdateChecker] Skipping update check (not Android)');
       return;
     }
@@ -248,18 +254,14 @@ class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
         // Image provider (fragment reassembly + outgoing session cache)
         ChangeNotifierProvider(create: (_) => ip.ImageProvider()),
 
-        // Tile cache service
-        Provider(create: (_) => TileCacheService()),
-
         // App provider that coordinates everything
         // VoiceProvider is read via context.read inside create since it's already registered above
-        ChangeNotifierProxyProvider6<
+        ChangeNotifierProxyProvider5<
           ConnectionProvider,
           ContactsProvider,
           MessagesProvider,
           DrawingProvider,
           ChannelsProvider,
-          TileCacheService,
           AppProvider
         >(
           create: (context) => AppProvider(
@@ -270,7 +272,6 @@ class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
             channelsProvider: context.read<ChannelsProvider>(),
             voiceProvider: context.read<VoiceProvider>(),
             imageProvider: context.read<ip.ImageProvider>(),
-            tileCacheService: context.read<TileCacheService>(),
           ),
           update:
               (
@@ -280,7 +281,6 @@ class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
                 messages,
                 drawings,
                 channels,
-                tileCache,
                 previous,
               ) =>
                   previous ??
@@ -292,7 +292,6 @@ class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
                     channelsProvider: channels,
                     voiceProvider: context.read<VoiceProvider>(),
                     imageProvider: context.read<ip.ImageProvider>(),
-                    tileCacheService: tileCache,
                   ),
         ),
       ],
@@ -332,7 +331,7 @@ class _MeshCoreSarAppState extends State<MeshCoreSarApp> {
 
         // Wrap in SafeArea for Android only to fix navigation bar overlap (API ≥36)
         // iOS doesn't need SafeArea wrapping (causes extra black space at bottom)
-        if (Platform.isAndroid) {
+        if (!kIsWeb && defaultTargetPlatform == TargetPlatform.android) {
           return SafeArea(
             left: false,
             right: false,

lib/models/contact.dart

@@ -231,15 +231,14 @@ extension ContactLocalization on Contact {
   }
 
   String get routeSummary {
-    if (routeIsUnknown || !routeHasPath) {
+    if (routeIsUnknown) {
       return 'Flood/Unknown';
     }
-    if (routeHopCount == 0) {
+    if (!routeHasPath || routeHopCount == 0) {
       return 'Direct';
     }
     return '$routeHopCount hop${routeHopCount == 1 ? '' : 's'} via $routeHashSize-byte hashes';
   }
 
-  bool get routeSupportsLegacyRawTransport =>
+  bool get routeSupportsLegacyRawTransport => routeHasPath;
-      routeHasPath && routeSignedPathLen >= 0;
 }

lib/models/map_layer.dart

@@ -1,4 +1,3 @@
-import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart';
 import '../l10n/app_localizations.dart';
@@ -10,6 +9,7 @@ enum MapLayerType {
   googleHybrid,
   googleRoadmap,
   googleTerrain,
+  // Kept for stored preference compatibility after MBTiles removal.
   vectorMbtiles,
   wmsBase,
 }
@@ -21,13 +21,6 @@ class MapLayer {
   final String attribution;
   final double maxZoom;
 
-  // Vector tile specific properties
-  final bool isVector;
-  final File? mbtilesFile;
-  final String? styleUrl;
-  final String? sourceName;
-  final bool? isGzipped;
-
   // WMS specific properties
   final bool isWms;
   final String? wmsBaseUrl;
@@ -43,11 +36,6 @@ class MapLayer {
     required this.urlTemplate,
     required this.attribution,
     required this.maxZoom,
-    this.isVector = false,
-    this.mbtilesFile,
-    this.styleUrl,
-    this.sourceName,
-    this.isGzipped,
     this.isWms = false,
     this.wmsBaseUrl,
     this.wmsLayers,
@@ -74,7 +62,7 @@ class MapLayer {
       case MapLayerType.googleTerrain:
         return localizations.googleTerrain;
       case MapLayerType.vectorMbtiles:
-        // For vector tiles, use the name from metadata
+        // Legacy value kept only for preference migration compatibility.
         return name;
       case MapLayerType.wmsBase:
         // For WMS layers, use the name (will be localized separately)
@@ -182,28 +170,4 @@ class MapLayer {
   static MapLayer fromType(MapLayerType type) {
     return allLayers.firstWhere((layer) => layer.type == type);
   }
-
-  /// Create a MapLayer from an MBTiles file
-  static MapLayer fromMbtilesFile({
-    required String name,
-    required File mbtilesFile,
-    required String styleUrl,
-    required String sourceName,
-    required double maxZoom,
-    required bool isGzipped,
-    String? attribution,
-  }) {
-    return MapLayer(
-      type: MapLayerType.vectorMbtiles,
-      name: name,
-      urlTemplate: '', // Not used for vector tiles
-      attribution: attribution ?? 'MBTiles',
-      maxZoom: maxZoom,
-      isVector: true,
-      mbtilesFile: mbtilesFile,
-      styleUrl: styleUrl,
-      sourceName: sourceName,
-      isGzipped: isGzipped,
-    );
-  }
 }

lib/models/message_route_metadata.dart

@@ -0,0 +1,79 @@
+import 'path_selection.dart';
+
+class MessageRouteMetadata {
+  final PathSelectionMode mode;
+  final bool routerFallbackAttempted;
+  final String? relayName;
+  final String? relayKey6;
+  final String? canonicalPath;
+  final int? hopCount;
+
+  const MessageRouteMetadata({
+    required this.mode,
+    required this.routerFallbackAttempted,
+    this.relayName,
+    this.relayKey6,
+    this.canonicalPath,
+    this.hopCount,
+  });
+
+  factory MessageRouteMetadata.fromSelection(
+    PathSelection selection, {
+    required bool routerFallbackAttempted,
+  }) {
+    return MessageRouteMetadata(
+      mode: selection.mode,
+      routerFallbackAttempted: routerFallbackAttempted,
+      relayName: selection.relayName,
+      relayKey6: selection.relayKey6,
+      canonicalPath: selection.canonicalPath.isEmpty
+          ? null
+          : selection.canonicalPath,
+      hopCount: selection.hopCount > 0 ? selection.hopCount : null,
+    );
+  }
+
+  String get modeLabel {
+    switch (mode) {
+      case PathSelectionMode.directCurrent:
+        return 'Current direct path';
+      case PathSelectionMode.directHistorical:
+        return 'Rotated direct path';
+      case PathSelectionMode.flood:
+        return 'Flood route';
+      case PathSelectionMode.nearestRouter:
+        final suffix = relayName?.trim().isNotEmpty == true
+            ? ' via $relayName'
+            : relayKey6?.trim().isNotEmpty == true
+            ? ' via $relayKey6'
+            : '';
+        return 'Nearest router$suffix';
+    }
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'mode': mode.name,
+      'router_fallback_attempted': routerFallbackAttempted,
+      'relay_name': relayName,
+      'relay_key6': relayKey6,
+      'canonical_path': canonicalPath,
+      'hop_count': hopCount,
+    };
+  }
+
+  factory MessageRouteMetadata.fromJson(Map<String, dynamic> json) {
+    return MessageRouteMetadata(
+      mode: PathSelectionMode.values.firstWhere(
+        (value) => value.name == json['mode'],
+        orElse: () => PathSelectionMode.directCurrent,
+      ),
+      routerFallbackAttempted:
+          json['router_fallback_attempted'] as bool? ?? false,
+      relayName: json['relay_name'] as String?,
+      relayKey6: json['relay_key6'] as String?,
+      canonicalPath: json['canonical_path'] as String?,
+      hopCount: json['hop_count'] as int?,
+    );
+  }
+}

lib/models/path_history.dart

@@ -0,0 +1,182 @@
+class PathRecord {
+  final List<int> pathBytes;
+  final int hopCount;
+  final int hashSize;
+  final int successCount;
+  final int failureCount;
+  final int lastRoundTripTimeMs;
+  final DateTime lastUsedAt;
+
+  const PathRecord({
+    required this.pathBytes,
+    required this.hopCount,
+    required this.hashSize,
+    required this.successCount,
+    required this.failureCount,
+    required this.lastRoundTripTimeMs,
+    required this.lastUsedAt,
+  });
+
+  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,
+    int? successCount,
+    int? failureCount,
+    int? lastRoundTripTimeMs,
+    DateTime? lastUsedAt,
+  }) {
+    return PathRecord(
+      pathBytes: pathBytes ?? this.pathBytes,
+      hopCount: hopCount ?? this.hopCount,
+      hashSize: hashSize ?? this.hashSize,
+      successCount: successCount ?? this.successCount,
+      failureCount: failureCount ?? this.failureCount,
+      lastRoundTripTimeMs: lastRoundTripTimeMs ?? this.lastRoundTripTimeMs,
+      lastUsedAt: lastUsedAt ?? this.lastUsedAt,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'path_bytes': pathBytes,
+      'hop_count': hopCount,
+      'hash_size': hashSize,
+      'success_count': successCount,
+      'failure_count': failureCount,
+      'last_round_trip_time_ms': lastRoundTripTimeMs,
+      'last_used_at': lastUsedAt.toIso8601String(),
+    };
+  }
+
+  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,
+      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),
+    );
+  }
+}
+
+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,
+    };
+  }
+
+  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/models/path_selection.dart

@@ -0,0 +1,65 @@
+import 'dart:typed_data';
+
+enum PathSelectionMode { directCurrent, directHistorical, flood, nearestRouter }
+
+class PathSelection {
+  final PathSelectionMode mode;
+  final Uint8List pathBytes;
+  final int hopCount;
+  final int hashSize;
+  final String? relayName;
+  final String? relayKey6;
+
+  const PathSelection({
+    required this.mode,
+    required this.pathBytes,
+    required this.hopCount,
+    required this.hashSize,
+    this.relayName,
+    this.relayKey6,
+  });
+
+  PathSelection.flood()
+    : mode = PathSelectionMode.flood,
+      pathBytes = Uint8List(0),
+      hopCount = -1,
+      hashSize = 1,
+      relayName = null,
+      relayKey6 = null;
+
+  bool get usesFlood => mode == PathSelectionMode.flood;
+  bool get hasDirectPath => !usesFlood && pathBytes.isNotEmpty && hopCount > 0;
+
+  String get canonicalPath {
+    if (!hasDirectPath) return '';
+    final hops = <String>[];
+    for (var index = 0; index < pathBytes.length; index += hashSize) {
+      hops.add(
+        pathBytes
+            .sublist(index, index + hashSize)
+            .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
+            .join()
+            .toUpperCase(),
+      );
+    }
+    return hops.join(',');
+  }
+
+  PathSelection copyWith({
+    PathSelectionMode? mode,
+    Uint8List? pathBytes,
+    int? hopCount,
+    int? hashSize,
+    String? relayName,
+    String? relayKey6,
+  }) {
+    return PathSelection(
+      mode: mode ?? this.mode,
+      pathBytes: pathBytes ?? this.pathBytes,
+      hopCount: hopCount ?? this.hopCount,
+      hashSize: hashSize ?? this.hashSize,
+      relayName: relayName ?? this.relayName,
+      relayKey6: relayKey6 ?? this.relayKey6,
+    );
+  }
+}

lib/providers/app_provider.dart

@@ -11,12 +11,16 @@ import 'voice_provider.dart';
 import 'image_provider.dart' as ip;
 import 'helpers/fragment_ack_wait_registry.dart';
 import 'helpers/session_metadata_restore.dart';
-import '../services/tile_cache_service.dart';
 import '../services/location_tracking_service.dart';
+import '../services/messaging_route_preferences.dart';
+import '../services/nearest_router_selector.dart';
 import '../services/packet_capture_storage_service.dart';
+import '../services/path_history_service.dart';
+import '../services/route_hash_preferences.dart';
 import '../models/contact.dart';
 import '../models/message.dart';
 import '../models/ble_packet_log.dart';
+import '../models/path_selection.dart';
 import '../models/message_reception_details.dart';
 import '../utils/drawing_message_parser.dart';
 import '../utils/raw_route_probe.dart';
@@ -24,6 +28,33 @@ import '../utils/voice_message_parser.dart';
 import '../utils/image_message_parser.dart';
 import '../utils/media_swarm_protocol.dart';
 import '../utils/message_airtime_estimator.dart';
+import '../utils/fast_gps_packet.dart';
+import '../utils/log_rx_route_decoder.dart';
+
+class _DirectMessageRouteSession {
+  final PathSelection currentSelection;
+  final ParsedContactRoute? originalRoute;
+  final bool routerFallbackAttempted;
+
+  const _DirectMessageRouteSession({
+    required this.currentSelection,
+    required this.originalRoute,
+    required this.routerFallbackAttempted,
+  });
+
+  _DirectMessageRouteSession copyWith({
+    PathSelection? currentSelection,
+    ParsedContactRoute? originalRoute,
+    bool? routerFallbackAttempted,
+  }) {
+    return _DirectMessageRouteSession(
+      currentSelection: currentSelection ?? this.currentSelection,
+      originalRoute: originalRoute ?? this.originalRoute,
+      routerFallbackAttempted:
+          routerFallbackAttempted ?? this.routerFallbackAttempted,
+    );
+  }
+}
 
 /// Main App Provider - coordinates all other providers
 class AppProvider with ChangeNotifier {
@@ -35,7 +66,6 @@ class AppProvider with ChangeNotifier {
   final ChannelsProvider channelsProvider;
   final VoiceProvider voiceProvider;
   final ip.ImageProvider imageProvider;
-  final TileCacheService tileCacheService;
   final LocationTrackingService locationTrackingService =
       LocationTrackingService();
   final PacketCaptureStorageService packetCaptureStorageService =
@@ -44,8 +74,7 @@ class AppProvider with ChangeNotifier {
   bool _isInitialized = false;
   bool get isInitialized => _isInitialized;
 
-  bool _isSimpleMode = true;
+  bool get isSimpleMode => true;
-  bool get isSimpleMode => _isSimpleMode;
 
   bool _isMapEnabled = true;
   bool get isMapEnabled => _isMapEnabled;
@@ -62,8 +91,24 @@ class AppProvider with ChangeNotifier {
   bool get isVoiceCompressorEnabled => _isVoiceCompressorEnabled;
   bool _isVoiceLimiterEnabled = true;
   bool get isVoiceLimiterEnabled => _isVoiceLimiterEnabled;
+  double _messageFontScale = 1.0;
+  double get messageFontScale => _messageFontScale;
   bool _autoAddDiscoveredContacts = false;
   bool get autoAddDiscoveredContacts => _autoAddDiscoveredContacts;
+  bool _autoRouteRotationEnabled =
+      MessagingRoutePreferences.defaultAutoRouteRotationEnabled;
+  bool get autoRouteRotationEnabled => _autoRouteRotationEnabled;
+  bool _clearPathOnMaxRetry =
+      MessagingRoutePreferences.defaultClearPathOnMaxRetry;
+  bool get clearPathOnMaxRetry => _clearPathOnMaxRetry;
+  bool _nearestRelayFallbackEnabled =
+      MessagingRoutePreferences.defaultNearestRelayFallbackEnabled;
+  bool get nearestRelayFallbackEnabled => _nearestRelayFallbackEnabled;
+  final PathHistoryService _pathHistoryService = PathHistoryService();
+  final NearestRouterSelector _nearestRouterSelector =
+      const NearestRouterSelector();
+  final Map<String, _DirectMessageRouteSession> _directMessageRouteSessions =
+      {};
 
   static const Duration _packetRetryDelay = Duration(milliseconds: 1200);
   static const Duration _mediaSwarmResponseWindow = Duration(seconds: 10);
@@ -79,9 +124,13 @@ class AppProvider with ChangeNotifier {
   final Map<String, Future<bool>> _pendingMediaSwarmFetches = {};
   final Map<String, Map<String, MediaSwarmAvailability>>
   _pendingMediaSwarmResponses = {};
+  bool _fastLocationScreenActive = false;
   Timer? _packetCaptureFlushTimer;
   String? _lastPersistedPacketSignature;
   bool _isPersistingPacketCapture = false;
+  bool _wasDeviceConnected = false;
+  bool _hasCompletedConnectionBootstrap = false;
+  bool _isReconnectSyncInProgress = false;
 
   AppProvider({
     required this.connectionProvider,
@@ -91,12 +140,10 @@ class AppProvider with ChangeNotifier {
     required this.channelsProvider,
     required this.voiceProvider,
     required this.imageProvider,
-    required this.tileCacheService,
   }) {
     _setupCallbacks();
-    _initializeTileCache();
+    _wasDeviceConnected = connectionProvider.deviceInfo.isConnected;
     _initializeLocationTracking();
-    _loadSimpleMode();
     _loadMapEnabled();
     _loadContactsEnabled();
     _loadSensorsEnabled();
@@ -104,7 +151,10 @@ class AppProvider with ChangeNotifier {
     _loadVoiceBandPassFilterEnabled();
     _loadVoiceCompressorEnabled();
     _loadVoiceLimiterEnabled();
+    _loadMessageFontScale();
     _loadAutoAddDiscoveredContacts();
+    _loadMessagingRouteSettings();
+    unawaited(_pathHistoryService.initialize());
     _startPacketCapturePersistence();
     _syncDrawingsOnStartup(); // Sync drawings immediately after providers load
     _isInitialized = true;
@@ -225,29 +275,6 @@ class AppProvider with ChangeNotifier {
     return contact?.advName;
   }
 
-  /// Load simple mode setting from shared preferences
-  Future<void> _loadSimpleMode() async {
-    try {
-      final prefs = await SharedPreferences.getInstance();
-      _isSimpleMode = prefs.getBool('simple_mode') ?? true;
-      notifyListeners();
-    } catch (e) {
-      debugPrint('Error loading simple mode setting: $e');
-    }
-  }
-
-  /// Toggle simple mode on/off
-  Future<void> toggleSimpleMode(bool enabled) async {
-    try {
-      _isSimpleMode = enabled;
-      final prefs = await SharedPreferences.getInstance();
-      await prefs.setBool('simple_mode', enabled);
-      notifyListeners();
-    } catch (e) {
-      debugPrint('Error saving simple mode setting: $e');
-    }
-  }
-
   /// Load map enabled setting from shared preferences
   Future<void> _loadMapEnabled() async {
     try {
@@ -412,6 +439,30 @@ class AppProvider with ChangeNotifier {
     }
   }
 
+  Future<void> _loadMessageFontScale() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      _messageFontScale = (prefs.getDouble('message_font_scale') ?? 1.0).clamp(
+        0.85,
+        1.4,
+      );
+      notifyListeners();
+    } catch (e) {
+      debugPrint('Error loading message font scale setting: $e');
+    }
+  }
+
+  Future<void> setMessageFontScale(double scale) async {
+    try {
+      _messageFontScale = scale.clamp(0.85, 1.4);
+      final prefs = await SharedPreferences.getInstance();
+      await prefs.setDouble('message_font_scale', _messageFontScale);
+      notifyListeners();
+    } catch (e) {
+      debugPrint('Error saving message font scale setting: $e');
+    }
+  }
+
   /// Load auto-add discovered contacts setting from shared preferences.
   Future<void> _loadAutoAddDiscoveredContacts() async {
     try {
@@ -436,13 +487,47 @@ class AppProvider with ChangeNotifier {
     }
   }
 
-  /// Initialize tile cache service
+  Future<void> _loadMessagingRouteSettings() async {
-  Future<void> _initializeTileCache() async {
     try {
-      await tileCacheService.initialize();
+      _autoRouteRotationEnabled =
-      debugPrint('Tile cache initialized');
+          await MessagingRoutePreferences.getAutoRouteRotationEnabled();
+      _clearPathOnMaxRetry =
+          await MessagingRoutePreferences.getClearPathOnMaxRetry();
+      _nearestRelayFallbackEnabled =
+          await MessagingRoutePreferences.getNearestRelayFallbackEnabled();
+      notifyListeners();
     } catch (e) {
-      debugPrint('Error initializing tile cache: $e');
+      debugPrint('Error loading messaging route settings: $e');
+    }
+  }
+
+  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;
+      await MessagingRoutePreferences.setClearPathOnMaxRetry(enabled);
+      notifyListeners();
+    } catch (e) {
+      debugPrint('Error saving clear path on max retry setting: $e');
+    }
+  }
+
+  Future<void> toggleNearestRelayFallbackEnabled(bool enabled) async {
+    try {
+      _nearestRelayFallbackEnabled = enabled;
+      await MessagingRoutePreferences.setNearestRelayFallbackEnabled(enabled);
+      notifyListeners();
+    } catch (e) {
+      debugPrint('Error saving nearest relay fallback setting: $e');
     }
   }
 
@@ -473,6 +558,10 @@ class AppProvider with ChangeNotifier {
         );
       };
 
+      locationTrackingService.onFastLocationUpdate = (position, reason) {
+        unawaited(_sendFastLocationUpdate(position, reason: reason));
+      };
+
       debugPrint('✅ [AppProvider] Location tracking service initialized');
     } catch (e) {
       debugPrint('❌ [AppProvider] Error initializing location tracking: $e');
@@ -485,8 +574,20 @@ class AppProvider with ChangeNotifier {
     connectionProvider.addListener(_handleConnectionStateChange);
     messagesProvider.resolveContactNameCallback =
         _resolveContactNameForNotification;
-    messagesProvider.resolveChannelNameCallback =
+    messagesProvider.resolveChannelNameCallback = (channelIdx) {
-        channelsProvider.getChannelDisplayName;
+      if (channelIdx == 0) {
+        return 'Public';
+      }
+
+      for (final channel in contactsProvider.channels) {
+        if (channel.publicKey.length > 1 &&
+            channel.publicKey[1] == channelIdx) {
+          return channel.displayName;
+        }
+      }
+
+      return channelsProvider.getChannelDisplayName(channelIdx);
+    };
 
     voiceProvider.sendRawPacketCallback =
         ({
@@ -521,6 +622,7 @@ class AppProvider with ChangeNotifier {
         contact,
         devicePublicKey: connectionProvider.deviceInfo.publicKey,
       );
+      unawaited(_pathHistoryService.recordLearnedPath(contact));
 
       // Broadcast to SSE clients if server is running
       connectionProvider.broadcastContactToSseClients(contact);
@@ -533,6 +635,9 @@ class AppProvider with ChangeNotifier {
         contacts,
         devicePublicKey: connectionProvider.deviceInfo.publicKey,
       );
+      for (final contact in contacts) {
+        unawaited(_pathHistoryService.recordLearnedPath(contact));
+      }
       debugPrint('Received ${contacts.length} contacts');
 
       // Broadcast all contacts to SSE clients if server is running
@@ -667,6 +772,19 @@ class AppProvider with ChangeNotifier {
       final receptionDetailsSnapshot = _buildReceptionDetailsSnapshot(
         enrichedMessage,
       );
+      final receivedPathBytes = receptionDetailsSnapshot?.pathBytes;
+      if (senderContact != null &&
+          enrichedMessage.isChannelMessage &&
+          (enrichedMessage.channelIdx ?? 0) == 0 &&
+          receivedPathBytes != null &&
+          receivedPathBytes.isNotEmpty) {
+        unawaited(
+          _learnPathFromPublicMessage(
+            contact: senderContact,
+            pathBytes: receivedPathBytes,
+          ),
+        );
+      }
 
       // Check if message is a drawing broadcast
       if (DrawingMessageParser.isDrawingMessage(enrichedMessage.text)) {
@@ -836,6 +954,18 @@ 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 fastGpsPacket = FastGpsPacket.tryParseBinary(payload);
+      if (fastGpsPacket != null) {
+        final sender = _resolveContactByPrefixHex(fastGpsPacket.senderKey6);
+        if (sender != null) {
+          contactsProvider.updateFastGps(
+            sender.publicKey.sublist(0, 6),
+            fastGpsPacket,
+          );
+        }
+        return;
+      }
+
       final rawProbeRequest = RawRouteProbeRequest.tryParseBinary(payload);
       if (rawProbeRequest != null) {
         debugPrint(
@@ -1138,6 +1268,14 @@ class AppProvider with ChangeNotifier {
       messagesProvider.handleMessageEcho(messageId, echoCount, snrRaw, rssiDbm);
     };
 
+    connectionProvider.prepareDirectMessageSendCallback =
+        ({required messageId, required contact, required retryAttempt}) async {
+          return _prepareDirectMessageSend(
+            messageId: messageId,
+            contact: contact,
+          );
+        };
+
     // Wire up MessagesProvider's sendMessageCallback for retry logic
     messagesProvider.sendMessageCallback =
         ({
@@ -1155,32 +1293,310 @@ class AppProvider with ChangeNotifier {
             retryAttempt: retryAttempt,
           );
         };
-
+    messagesProvider.onFinalRouterFallbackCallback =
-    messagesProvider.onDirectPathFailedCallback =
+        ({required messageId, required contact, required message}) async {
-        ({required contact, required failureStreak}) async {
+          return _sendWithFinalNearestRouterFallback(
-          debugPrint(
+            messageId: messageId,
-            '🧭 [AppProvider] Clearing unhealthy path for ${contact.advName} after $failureStreak failed send chain(s)',
+            contact: contact,
+            message: message,
           );
-
-          contactsProvider.markPathUnhealthy(contact.publicKey);
-
-          if (!connectionProvider.deviceInfo.isConnected) {
-            return;
-          }
-
-          try {
-            await connectionProvider.resetPath(contact.publicKey);
-            Future.delayed(const Duration(milliseconds: 150), () {
-              if (connectionProvider.deviceInfo.isConnected) {
-                connectionProvider.getContact(contact.publicKey);
-              }
-            });
-          } catch (e) {
-            debugPrint(
-              '⚠️ [AppProvider] Failed to reset path for ${contact.advName}: $e',
-            );
-          }
         };
+    messagesProvider.onFinalDirectMessageFailureCallback =
+        ({required messageId, required contact, required message}) async {
+          await _handleDirectMessageFinalFailure(
+            messageId: messageId,
+            contact: contact,
+          );
+        };
+    messagesProvider.onDirectMessageDeliveredCallback =
+        ({
+          required messageId,
+          required contact,
+          required message,
+          required roundTripTimeMs,
+        }) {
+          _handleDirectMessageDelivered(
+            messageId: messageId,
+            contact: contact,
+            roundTripTimeMs: roundTripTimeMs,
+          );
+        };
+  }
+
+  Future<Contact> _prepareDirectMessageSend({
+    required String messageId,
+    required Contact contact,
+  }) async {
+    final latestContact =
+        contactsProvider.findContactByKey(contact.publicKey) ?? contact;
+    var session = _directMessageRouteSessions[messageId];
+    if (session == null) {
+      final selection = await _pathHistoryService.getSelectionForContact(
+        latestContact,
+        autoRouteRotationEnabled: _autoRouteRotationEnabled,
+      );
+      session = _DirectMessageRouteSession(
+        currentSelection: selection,
+        originalRoute: ContactRouteCodec.fromContact(latestContact),
+        routerFallbackAttempted: false,
+      );
+      _directMessageRouteSessions[messageId] = session;
+    }
+
+    await _applyPathSelection(
+      latestContact,
+      session.currentSelection,
+      messageId: messageId,
+      routerFallbackAttempted: session.routerFallbackAttempted,
+    );
+    return contactsProvider.findContactByKey(contact.publicKey) ??
+        latestContact;
+  }
+
+  Future<void> _applyPathSelection(
+    Contact contact,
+    PathSelection selection, {
+    required String messageId,
+    required bool routerFallbackAttempted,
+  }) async {
+    final previousRoute = ContactRouteCodec.fromContact(contact);
+
+    try {
+      if (selection.usesFlood) {
+        contactsProvider.resetContactRouteLocal(contact.publicKey);
+        if (connectionProvider.deviceInfo.isConnected) {
+          await connectionProvider.resetPath(contact.publicKey);
+        }
+      } else {
+        final pathDescriptor =
+            ((selection.hashSize - 1) << 6) | (selection.hopCount & 0x3F);
+        final signedDescriptor = ContactRouteCodec.toSignedDescriptor(
+          pathDescriptor,
+        );
+        final paddedPathBytes = Uint8List(ContactRouteCodec.maxPathBytes)
+          ..setRange(0, selection.pathBytes.length, selection.pathBytes);
+
+        contactsProvider.setContactRouteLocal(
+          contact.publicKey,
+          signedEncodedPathLen: signedDescriptor,
+          paddedPathBytes: paddedPathBytes,
+        );
+        if (connectionProvider.deviceInfo.isConnected) {
+          await connectionProvider.setContactRoute(
+            contact,
+            signedEncodedPathLen: signedDescriptor,
+            paddedPathBytes: paddedPathBytes,
+          );
+        }
+      }
+    } catch (error) {
+      _restoreRouteLocal(contact.publicKey, previousRoute);
+      rethrow;
+    }
+
+    messagesProvider.updateMessageRouteSelection(
+      messageId,
+      selection,
+      routerFallbackAttempted: routerFallbackAttempted,
+    );
+  }
+
+  void _restoreRouteLocal(Uint8List publicKey, ParsedContactRoute? route) {
+    if (route == null) {
+      contactsProvider.resetContactRouteLocal(publicKey);
+      return;
+    }
+
+    contactsProvider.setContactRouteLocal(
+      publicKey,
+      signedEncodedPathLen: route.signedEncodedPathLen,
+      paddedPathBytes: route.paddedPathBytes,
+    );
+  }
+
+  Future<void> _restoreRouteOnDevice(
+    Contact contact,
+    ParsedContactRoute? route,
+  ) async {
+    _restoreRouteLocal(contact.publicKey, route);
+    if (!connectionProvider.deviceInfo.isConnected) {
+      return;
+    }
+
+    if (route == null) {
+      await connectionProvider.resetPath(contact.publicKey);
+      return;
+    }
+
+    await connectionProvider.setContactRoute(
+      contact,
+      signedEncodedPathLen: route.signedEncodedPathLen,
+      paddedPathBytes: route.paddedPathBytes,
+    );
+  }
+
+  PathSelection _buildNearestRouterSelection(Contact repeater, int hashSize) {
+    return PathSelection(
+      mode: PathSelectionMode.nearestRouter,
+      pathBytes: Uint8List.fromList(repeater.publicKey.sublist(0, hashSize)),
+      hopCount: 1,
+      hashSize: hashSize,
+      relayName: repeater.advName,
+      relayKey6: _key6(repeater.publicKey),
+    );
+  }
+
+  Future<bool> _sendWithFinalNearestRouterFallback({
+    required String messageId,
+    required Contact contact,
+    required Message message,
+  }) async {
+    if (!_nearestRelayFallbackEnabled) {
+      return false;
+    }
+
+    final latestContact =
+        contactsProvider.findContactByKey(contact.publicKey) ?? contact;
+    final session =
+        _directMessageRouteSessions[messageId] ??
+        _DirectMessageRouteSession(
+          currentSelection: latestContact.routeHasPath
+              ? PathSelection(
+                  mode: PathSelectionMode.directCurrent,
+                  pathBytes: Uint8List.fromList(latestContact.routePathBytes),
+                  hopCount: latestContact.routeHopCount,
+                  hashSize: latestContact.routeHashSize,
+                )
+              : PathSelection.flood(),
+          originalRoute: ContactRouteCodec.fromContact(latestContact),
+          routerFallbackAttempted: false,
+        );
+
+    await _pathHistoryService.recordPathResult(
+      latestContact.publicKeyHex,
+      session.currentSelection,
+      success: false,
+    );
+
+    final repeater = _nearestRouterSelector.select(
+      senderPosition: locationTrackingService.currentPosition,
+      repeaters: contactsProvider.repeaters,
+      recipient: latestContact,
+    );
+    if (repeater == null) {
+      return false;
+    }
+
+    final routeHashSize = await RouteHashPreferences.getHashSize();
+    final fallbackSelection = _buildNearestRouterSelection(
+      repeater,
+      routeHashSize,
+    );
+    _directMessageRouteSessions[messageId] = session.copyWith(
+      currentSelection: fallbackSelection,
+      routerFallbackAttempted: true,
+    );
+    messagesProvider.updateMessageRouteSelection(
+      messageId,
+      fallbackSelection,
+      routerFallbackAttempted: true,
+    );
+
+    return connectionProvider.sendTextMessage(
+      contactPublicKey: latestContact.publicKey,
+      text: message.text,
+      messageId: messageId,
+      contact: latestContact,
+      retryAttempt: message.retryAttempt + 1,
+    );
+  }
+
+  void _handleDirectMessageDelivered({
+    required String messageId,
+    required Contact contact,
+    required int roundTripTimeMs,
+  }) {
+    final session = _directMessageRouteSessions.remove(messageId);
+    if (session == null) {
+      return;
+    }
+
+    unawaited(
+      _pathHistoryService.recordPathResult(
+        contact.publicKeyHex,
+        session.currentSelection,
+        success: true,
+        roundTripTimeMs: roundTripTimeMs,
+      ),
+    );
+  }
+
+  Future<void> _handleDirectMessageFinalFailure({
+    required String messageId,
+    required Contact contact,
+  }) async {
+    final latestContact =
+        contactsProvider.findContactByKey(contact.publicKey) ?? contact;
+    final session = _directMessageRouteSessions.remove(messageId);
+    if (session != null) {
+      await _pathHistoryService.recordPathResult(
+        latestContact.publicKeyHex,
+        session.currentSelection,
+        success: false,
+      );
+      if (session.routerFallbackAttempted) {
+        await _restoreRouteOnDevice(latestContact, session.originalRoute);
+      }
+    }
+
+    if (_clearPathOnMaxRetry) {
+      contactsProvider.resetContactRouteLocal(latestContact.publicKey);
+      if (connectionProvider.deviceInfo.isConnected) {
+        await connectionProvider.resetPath(latestContact.publicKey);
+        Future.delayed(const Duration(milliseconds: 150), () {
+          if (connectionProvider.deviceInfo.isConnected) {
+            connectionProvider.getContact(latestContact.publicKey);
+          }
+        });
+      }
+    }
+  }
+
+  String _key6(Uint8List publicKey) {
+    final bytes = publicKey.sublist(0, math.min(6, publicKey.length));
+    return bytes.map((byte) => byte.toRadixString(16).padLeft(2, '0')).join();
+  }
+
+  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,
+    );
+  }
+
+  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.)
@@ -1210,10 +1626,8 @@ class AppProvider with ChangeNotifier {
       // Sync channels to get channel names
       // In simple mode: only sync first 5 channels for faster startup
       // In normal mode: sync all channels (up to device max)
-      final channelsToSync = _isSimpleMode ? 5 : null;
+      const channelsToSync = 5;
-      debugPrint(
+      debugPrint('📻 [AppProvider] Syncing channels (simple mode: max 5)...');
-        '📻 [AppProvider] Syncing channels${_isSimpleMode ? ' (simple mode: max 5)' : ''}...',
-      );
       await connectionProvider.syncChannels(maxChannels: channelsToSync);
       debugPrint('✅ [AppProvider] Channel sync complete');
 
@@ -1261,12 +1675,42 @@ class AppProvider with ChangeNotifier {
       );
       messagesProvider.syncDrawingsWithProvider(drawingProvider);
 
+      _hasCompletedConnectionBootstrap = true;
+      _wasDeviceConnected = connectionProvider.deviceInfo.isConnected;
       notifyListeners();
     } catch (e) {
       debugPrint('Initialization error: $e');
     }
   }
 
+  Future<void> _syncAfterReconnect() async {
+    if (_isReconnectSyncInProgress ||
+        !connectionProvider.deviceInfo.isConnected) {
+      return;
+    }
+
+    _isReconnectSyncInProgress = true;
+    try {
+      debugPrint(
+        '🔄 [AppProvider] Device reconnected - syncing contacts and missed messages',
+      );
+
+      await contactsProvider.initialize(
+        devicePublicKey: connectionProvider.deviceInfo.publicKey,
+      );
+      await connectionProvider.getContacts();
+
+      final messageCount = await connectionProvider.syncAllMessages();
+      debugPrint(
+        '📥 [AppProvider] Reconnect sync retrieved $messageCount message(s)',
+      );
+    } catch (e) {
+      debugPrint('❌ [AppProvider] Reconnect sync error: $e');
+    } finally {
+      _isReconnectSyncInProgress = false;
+    }
+  }
+
   /// Automatically login to all rooms with saved passwords on cold connect
   Future<void> _autoLoginToRooms() async {
     if (!connectionProvider.deviceInfo.isConnected) return;
@@ -1382,6 +1826,46 @@ class AppProvider with ChangeNotifier {
     return contactsProvider.findContactByPrefixHex(prefixHex.toLowerCase());
   }
 
+  void setFastLocationUiActive(bool isActive) {
+    if (_fastLocationScreenActive == isActive) return;
+    _fastLocationScreenActive = isActive;
+    locationTrackingService.setFastLocationActiveUse(isActive);
+  }
+
+  Future<void> _sendFastLocationUpdate(
+    dynamic position, {
+    required String reason,
+  }) async {
+    if (!connectionProvider.deviceInfo.isConnected) {
+      return;
+    }
+
+    final publicKey = connectionProvider.deviceInfo.publicKey;
+    if (publicKey == null || publicKey.length < 6) {
+      return;
+    }
+
+    final senderKey6 = publicKey
+        .sublist(0, 6)
+        .map((b) => b.toRadixString(16).padLeft(2, '0'))
+        .join();
+    final packet = FastGpsPacket(
+      senderKey6: senderKey6,
+      latitude: position.latitude as double,
+      longitude: position.longitude as double,
+      timestampSeconds: DateTime.now().millisecondsSinceEpoch ~/ 1000,
+    );
+    debugPrint(
+      '📍 [AppProvider] Sending fast GPS update ($reason): '
+      '${position.latitude}, ${position.longitude}',
+    );
+    try {
+      await connectionProvider.sendRawPrivateMulticast(packet.encodeBinary());
+    } catch (e) {
+      debugPrint('⚠️ [AppProvider] Fast GPS send failed: $e');
+    }
+  }
+
   Contact? _resolveVoiceFetchRequester(VoiceFetchRequest request) {
     final liveContact = _resolveContactByPrefixHex(request.requesterKey6);
     if (liveContact != null) {
@@ -1536,14 +2020,13 @@ class AppProvider with ChangeNotifier {
     if (requester == null ||
         !requester.routeHasPath ||
         requester.routeHopCount > _maxDirectPayloadHops ||
-        !requester.routeSupportsLegacyRawTransport ||
         requester.outPath.isEmpty) {
       return;
     }
     unawaited(
       connectionProvider.sendRawVoicePacket(
         contactPath: requester.outPath,
-        contactPathLen: requester.routeSignedPathLen,
+        contactPathLen: requester.routeEncodedPathLen,
         payload: availability.encodeBinary(),
       ),
     );
@@ -1613,7 +2096,7 @@ class AppProvider with ChangeNotifier {
         for (final peer in peers) {
           await connectionProvider.sendRawVoicePacket(
             contactPath: peer.outPath,
-            contactPathLen: peer.routeSignedPathLen,
+            contactPathLen: peer.routeEncodedPathLen,
             payload: request.encodeBinary(),
           );
         }
@@ -1636,7 +2119,6 @@ class AppProvider with ChangeNotifier {
           if (responder == null ||
               !responder.routeHasPath ||
               responder.routeHopCount > _maxDirectPayloadHops ||
-              !responder.routeSupportsLegacyRawTransport ||
               responder.outPath.isEmpty) {
             continue;
           }
@@ -1728,7 +2210,7 @@ class AppProvider with ChangeNotifier {
 
       await connectionProvider.sendRawVoicePacket(
         contactPath: target.outPath,
-        contactPathLen: target.routeSignedPathLen,
+        contactPathLen: target.routeEncodedPathLen,
         payload: payload,
       );
       return true;
@@ -1969,9 +2451,6 @@ class AppProvider with ChangeNotifier {
     if (!target.routeHasPath || target.routeHopCount > _maxDirectPayloadHops) {
       return false;
     }
-    if (!target.routeSupportsLegacyRawTransport) {
-      return false;
-    }
     if (target.outPath.isEmpty) {
       return false;
     }
@@ -2004,7 +2483,7 @@ class AppProvider with ChangeNotifier {
         );
         await connectionProvider.sendRawVoicePacket(
           contactPath: target.outPath,
-          contactPathLen: target.routeSignedPathLen,
+          contactPathLen: target.routeEncodedPathLen,
           payload: RawRouteProbeRequest(
             nonce: nonce,
             requesterKey6: requesterKey6,
@@ -2032,7 +2511,7 @@ class AppProvider with ChangeNotifier {
     if (target.publicKeyHex.isNotEmpty) {
       return 'pk:${target.publicKeyHex}';
     }
-    return 'name:${target.advName}:${target.routeSignedPathLen}:${target.outPath.map((b) => b.toRadixString(16).padLeft(2, '0')).join()}';
+    return 'name:${target.advName}:${target.routeEncodedPathLen}:${target.outPath.map((b) => b.toRadixString(16).padLeft(2, '0')).join()}';
   }
 
   void _handleRawRouteProbeRequest(RawRouteProbeRequest request) {
@@ -2050,9 +2529,6 @@ class AppProvider with ChangeNotifier {
       );
       return;
     }
-    if (!requester.routeSupportsLegacyRawTransport) {
-      return;
-    }
     if (requester.outPath.isEmpty) {
       return;
     }
@@ -2062,7 +2538,7 @@ class AppProvider with ChangeNotifier {
     unawaited(
       connectionProvider.sendRawVoicePacket(
         contactPath: requester.outPath,
-        contactPathLen: requester.routeSignedPathLen,
+        contactPathLen: requester.routeEncodedPathLen,
         payload: RawRouteProbeAck(nonce: request.nonce).encodeBinary(),
       ),
     );
@@ -2136,12 +2612,10 @@ class AppProvider with ChangeNotifier {
       if (log.responseCode != 0x88) continue;
       if (log.rawData.length < 6) continue;
 
-      final raw = log.rawData;
+      final decoded = LogRxRouteDecoder.decode(log.rawData);
-      final payloadType = (raw[3] >> 2) & 0x0F;
+      if (decoded == null) continue;
-      final pathLen = raw[4];
+      if (decoded.payloadType != expectedPayloadType) continue;
-      if (payloadType != expectedPayloadType) continue;
+      if (decoded.hopCount != message.pathLen) continue;
-      if (pathLen != message.pathLen) continue;
-      if (raw.length < 5 + pathLen) continue;
 
       final deltaMs =
           (log.timestamp.difference(message.receivedAt).inMilliseconds).abs();
@@ -2157,11 +2631,9 @@ class AppProvider with ChangeNotifier {
 
   List<int>? _extractPathBytesFromLog(BlePacketLog? log) {
     if (log == null) return null;
-    final raw = log.rawData;
+    final decoded = LogRxRouteDecoder.decode(log.rawData);
-    if (raw.length < 6) return null;
+    if (decoded == null || decoded.pathBytes.isEmpty) return null;
-    final pathLen = raw[4];
+    return decoded.pathBytes;
-    if (pathLen <= 0 || raw.length < 5 + pathLen) return null;
-    return raw.sublist(5, 5 + pathLen);
   }
 
   // Removed _syncMessages() - messages are automatically synced via PUSH_CODE_MSG_WAITING events
@@ -2176,7 +2648,7 @@ class AppProvider with ChangeNotifier {
       await connectionProvider.getContacts();
 
       // Sync channels (respect simple mode settings)
-      final channelsToSync = _isSimpleMode ? 5 : null;
+      const channelsToSync = 5;
       await connectionProvider.syncChannels(maxChannels: channelsToSync);
 
       // Messages are automatically synced via PUSH_CODE_MSG_WAITING events
@@ -2211,6 +2683,8 @@ class AppProvider with ChangeNotifier {
   /// Handle connection state changes to manage location tracking
   void _handleConnectionStateChange() {
     final isConnected = connectionProvider.deviceInfo.isConnected;
+    final wasConnected = _wasDeviceConnected;
+    _wasDeviceConnected = isConnected;
     final wasTracking = locationTrackingService.isTracking;
 
     // Only stop tracking on disconnect - DON'T start on connect
@@ -2222,6 +2696,10 @@ class AppProvider with ChangeNotifier {
       );
       _stopLocationTracking();
     }
+
+    if (isConnected && !wasConnected && _hasCompletedConnectionBootstrap) {
+      unawaited(_syncAfterReconnect());
+    }
   }
 
   /// Start location tracking
@@ -2294,6 +2772,7 @@ class AppProvider with ChangeNotifier {
     locationTrackingService.onBroadcastSent = null;
     locationTrackingService.onError = null;
     locationTrackingService.onTrackingStateChanged = null;
+    locationTrackingService.onFastLocationUpdate = null;
     // Dispose the location tracking service to stop GPS stream and clean up resources
     locationTrackingService.dispose();
     for (final timer in _voiceMissingRetryTimers.values) {

lib/providers/connection_provider.dart

@@ -175,6 +175,12 @@ class ConnectionProvider with ChangeNotifier {
   Function(String messageId, int expectedAckTag, int suggestedTimeoutMs)?
   onMessageSent;
   Function(int ackCode, int roundTripTimeMs)? onMessageDelivered;
+  Future<Contact?> Function({
+    required String messageId,
+    required Contact contact,
+    required int retryAttempt,
+  })?
+  prepareDirectMessageSendCallback;
   Function(String messageId, int echoCount, int snrRaw, int rssiDbm)?
   onMessageEchoDetected;
   Function(Uint8List publicKeyPrefix, Uint8List statusData)? onStatusResponse;
@@ -480,6 +486,14 @@ class ConnectionProvider with ChangeNotifier {
   /// Start scanning for MeshCore devices
   Future<void> startScan() async {
     debugPrint('🔍 [Provider] startScan() called');
+    if (_deviceInfo.connectionState == ConnectionState.connecting ||
+        _deviceInfo.connectionState == ConnectionState.connected) {
+      debugPrint(
+        '⏭️ [Provider] Ignoring scan request while connection is active: ${_deviceInfo.connectionState}',
+      );
+      return;
+    }
+
     _isScanning = true;
     _scannedDevices.clear();
     _error = null;
@@ -553,6 +567,11 @@ class ConnectionProvider with ChangeNotifier {
       '🔵 [Provider] connect() called for device: ${device.platformName}',
     );
 
+    if (_isScanning) {
+      debugPrint('🔵 [Provider] Stopping active scan before connect()');
+      await stopScan();
+    }
+
     _deviceInfo = _deviceInfo.copyWith(
       deviceId: device.remoteId.toString(),
       deviceName: device.platformName.isNotEmpty
@@ -829,10 +848,26 @@ class ConnectionProvider with ChangeNotifier {
       return true;
     } catch (e) {
       debugPrint('❌ [Provider] Failed to check slot $channelIdx: $e');
+      if (_isEmptyChannelQueryError(e)) {
+        debugPrint(
+          '   ℹ️  Treating slot $channelIdx as empty because the device reported it was not found',
+        );
+        return true;
+      }
       return false;
     }
   }
 
+  bool _isEmptyChannelQueryError(Object error) {
+    final message = error.toString().toLowerCase();
+    return message.contains('not found');
+  }
+
+  bool _isChannelRefreshTimeoutError(Object error) {
+    final message = error.toString().toLowerCase();
+    return message.contains('0x1f') && message.contains('timed out');
+  }
+
   Future<int?> findNextEmptyChannelSlot() async {
     if (!_activeService.isConnected) {
       throw Exception('Not connected to device');
@@ -843,6 +878,35 @@ class ConnectionProvider with ChangeNotifier {
 
       // maxChannels from device info, or default to 40
       final maxChannels = _deviceInfo.maxChannels ?? 40;
+      final maxCustomChannels = maxChannels > 0 ? maxChannels - 1 : 0;
+
+      // Match meshcore-open: trust the current synced channel list first and
+      // pick the first missing slot rather than probing every slot on-device.
+      if (getChannelInfo != null) {
+        final usedIndices = <int>{};
+        for (int i = 1; i < maxChannels; i++) {
+          final channel = getChannelInfo!(i);
+          if (channel == null) {
+            continue;
+          }
+
+          final channelName = (channel as dynamic).name as String?;
+          if (channelName != null && channelName.isNotEmpty) {
+            usedIndices.add(i);
+          }
+        }
+
+        for (int i = 1; i < maxChannels; i++) {
+          if (!usedIndices.contains(i)) {
+            debugPrint('   ✅ Found empty slot from synced channels: $i');
+            return i;
+          }
+        }
+
+        debugPrint(
+          '   ⚠️  Synced channels report all custom slots occupied ($maxCustomChannels total)',
+        );
+      }
 
       // Check each slot starting from 1 (skip 0 = public channel)
       for (int i = 1; i < maxChannels; i++) {
@@ -939,10 +1003,12 @@ class ConnectionProvider with ChangeNotifier {
         debugPrint('  Using existing slot: $slotIdx (overwrite mode)');
       } else {
         // Find next empty slot for new channel
+        final maxChannels = _deviceInfo.maxChannels ?? 40;
+        final maxCustomChannels = maxChannels > 0 ? maxChannels - 1 : 0;
         final emptySlot = await findNextEmptyChannelSlot();
         if (emptySlot == null) {
           throw Exception(
-            'All channel slots are in use (maximum 39 custom channels)',
+            'All channel slots are in use (maximum $maxCustomChannels custom channels)',
           );
         }
         slotIdx = emptySlot;
@@ -963,23 +1029,33 @@ class ConnectionProvider with ChangeNotifier {
         debugPrint('  Secret converted to 16-byte key using MD5');
       }
 
-      // Send CMD_SET_CHANNEL to radio
+      // Send CMD_SET_CHANNEL to radio. Some devices accept the write but do not
-      await _activeService.setChannel(
+      // reliably answer the follow-up CMD_GET_CHANNEL verification (0x1F).
-        channelIdx: slotIdx,
+      try {
-        channelName: channelName,
+        await _activeService.setChannel(
-        secret: secretBytes,
+          channelIdx: slotIdx,
-      );
+          channelName: channelName,
+          secret: secretBytes,
+        );
+      } catch (e) {
+        if (_isChannelRefreshTimeoutError(e)) {
+          debugPrint(
+            '⚠️ [Provider] CMD_GET_CHANNEL verification timed out after SET_CHANNEL; assuming the channel write succeeded',
+          );
+          onChannelInfoReceived?.call(
+            slotIdx,
+            channelName,
+            Uint8List.fromList(secretBytes),
+            null,
+          );
+        } else {
+          rethrow;
+        }
+      }
 
       debugPrint(
         '✅ [Provider] Channel ${existingSlot != null ? 'updated' : 'created'} successfully in slot $slotIdx',
       );
-
-      // Small delay to allow the response to propagate
-      await Future.delayed(const Duration(milliseconds: 100));
-
-      // Refresh channels to update UI
-      // The channel info will be received via onChannelInfoReceived callback
-      await _activeService.getChannel(slotIdx);
     } catch (e) {
       _error = 'Failed to create channel: $e';
       debugPrint('❌ [Provider] Channel creation failed: $e');
@@ -1073,7 +1149,7 @@ class ConnectionProvider with ChangeNotifier {
   ///
   /// [messageId] - optional message ID to track delivery status
   /// [contact] - optional contact object for path status logging
-  /// [retryAttempt] - retry attempt number (0 = first send, 1-3 = retries)
+  /// [retryAttempt] - retry attempt number (0 = first send, >0 = retries)
   Future<bool> sendTextMessage({
     required Uint8List contactPublicKey,
     required String text,
@@ -1087,6 +1163,17 @@ class ConnectionProvider with ChangeNotifier {
       return false;
     }
 
+    var effectiveContact = contact;
+    if (messageId != null &&
+        effectiveContact != null &&
+        prepareDirectMessageSendCallback != null) {
+      effectiveContact = await prepareDirectMessageSendCallback!(
+        messageId: messageId,
+        contact: effectiveContact,
+        retryAttempt: retryAttempt,
+      );
+    }
+
     // CRITICAL: Check firmware ACK limit (8 max in circular buffer)
     // Rate limit at 7 to stay under the limit
     if (_messageDeliveryTracker.shouldRateLimit) {
@@ -1111,33 +1198,33 @@ class ConnectionProvider with ChangeNotifier {
 
     try {
       // Log path status and retry info
-      if (contact != null) {
+      if (effectiveContact != null) {
         if (retryAttempt > 0) {
           debugPrint(
-            '🔄 [ConnectionProvider] Sending message to ${contact.advName} (retry $retryAttempt/3)',
+            '🔄 [ConnectionProvider] Sending message to ${effectiveContact.advName} (retry $retryAttempt)',
           );
         } else {
           debugPrint(
-            '📤 [ConnectionProvider] Sending message to ${contact.advName}',
+            '📤 [ConnectionProvider] Sending message to ${effectiveContact.advName}',
           );
         }
-        debugPrint('   Type: ${contact.type.displayName}');
+        debugPrint('   Type: ${effectiveContact.type.displayName}');
-        debugPrint('   Path status: ${contact.routeSummary}');
+        debugPrint('   Path status: ${effectiveContact.routeSummary}');
-        if (contact.routeHasPath) {
+        if (effectiveContact.routeHasPath) {
           debugPrint(
-            '   ✅ Using learned path (${contact.routeHopCount} hop(s), ${contact.routeHashSize}-byte hashes)',
+            '   ✅ Using learned path (${effectiveContact.routeHopCount} hop(s), ${effectiveContact.routeHashSize}-byte hashes)',
           );
         } else {
           debugPrint('   ⚠️ No path available - will use flood mode');
         }
       } else if (retryAttempt > 0) {
         debugPrint(
-          '🔄 [ConnectionProvider] Sending message (retry $retryAttempt/3)',
+          '🔄 [ConnectionProvider] Sending message (retry $retryAttempt)',
         );
       }
 
       // Track pending operation for auto-recovery (if contact not found in radio)
-      if (contact != null) {
+      if (effectiveContact != null) {
         final operationId = contactPublicKey
             .sublist(0, 6)
             .map((b) => b.toRadixString(16).padLeft(2, '0'))
@@ -1146,7 +1233,7 @@ class ConnectionProvider with ChangeNotifier {
           contactPublicKey: contactPublicKey,
           text: text,
           messageId: messageId,
-          contact: contact,
+          contact: effectiveContact,
           retryAttempt: retryAttempt,
         );
         debugPrint(
@@ -1191,7 +1278,7 @@ class ConnectionProvider with ChangeNotifier {
 
       // Clear pending operation after successful send (no error)
       // If ERR_CODE_NOT_FOUND occurs, the operation will be recovered automatically
-      if (contact != null) {
+      if (effectiveContact != null) {
         final operationId = contactPublicKey
             .sublist(0, 6)
             .map((b) => b.toRadixString(16).padLeft(2, '0'))
@@ -1290,6 +1377,19 @@ class ConnectionProvider with ChangeNotifier {
     );
   }
 
+  /// Send a raw private zero-hop payload.
+  ///
+  /// This wraps the raw custom transport using an empty path to match the
+  /// firmware's private multicast behavior.
+  Future<void> sendRawPrivateMulticast(Uint8List payload) async {
+    if (!_activeService.isConnected) return;
+    await _activeService.sendRawVoicePacket(
+      contactPathLen: 0,
+      contactPath: Uint8List(0),
+      payload: payload,
+    );
+  }
+
   /// Request telemetry from contact
   ///
   /// COMPATIBILITY NOTE: This method sends CMD_SEND_TELEMETRY_REQ (39).
@@ -2015,6 +2115,7 @@ class ConnectionProvider with ChangeNotifier {
     }
 
     try {
+      _error = null;
       await _activeService.resetPath(contactPublicKey);
     } catch (e) {
       _error = 'Failed to reset path: $e';
@@ -2034,6 +2135,7 @@ class ConnectionProvider with ChangeNotifier {
     }
 
     try {
+      _error = null;
       final updatedContact = contact.copyWith(
         outPathLen: signedEncodedPathLen,
         outPath: Uint8List.fromList(paddedPathBytes),

lib/providers/contacts_provider.dart

@@ -4,6 +4,7 @@ import '../models/contact.dart';
 import '../models/message_contact_location.dart';
 import '../services/cayenne_lpp_parser.dart';
 import '../services/contact_storage_service.dart';
+import '../utils/fast_gps_packet.dart';
 import '../utils/key_comparison.dart';
 
 class PendingAdvert {
@@ -282,62 +283,16 @@ class ContactsProvider with ChangeNotifier {
     }
 
     // Check if this is a new contact
-    final isNewContact = !_contacts.containsKey(contact.publicKeyHex);
+    final existingContact = _contacts[contact.publicKeyHex];
+    final isNewContact = existingContact == null;
     debugPrint(
       '   isNew: $isNewContact, total contacts before: ${_contacts.length}',
     );
 
-    Contact updatedContact;
+    final updatedContact = _mergeIncomingContact(
-    if (isNewContact) {
+      incomingContact: contact,
-      // New contact - add initial location to history if available
+      existingContact: existingContact,
-      updatedContact = contact.copyWith(isNew: true);
+    );
-      if (contact.advertLocation != null) {
-        final timestamp = DateTime.fromMillisecondsSinceEpoch(
-          contact.lastAdvert * 1000,
-        );
-        updatedContact = updatedContact.addAdvertLocation(
-          contact.advertLocation!,
-          timestamp,
-        );
-      }
-    } else {
-      // Existing contact - preserve history and isNew status
-      final existingContact = _contacts[contact.publicKeyHex]!;
-      final mergedTelemetry = _mergeTelemetryForContact(
-        existingTelemetry: existingContact.telemetry,
-        incomingTelemetry: contact.telemetry,
-      );
-      final incomingAdvertLocation = contact.advertLocation;
-      final existingAdvertLocation = existingContact.advertLocation;
-
-      // Start with existing contact
-      updatedContact = contact.copyWith(
-        isNew: existingContact.isNew,
-        advertHistory: existingContact.advertHistory,
-        telemetry: mergedTelemetry,
-        advLat: incomingAdvertLocation != null
-            ? contact.advLat
-            : existingAdvertLocation != null
-            ? existingContact.advLat
-            : contact.advLat,
-        advLon: incomingAdvertLocation != null
-            ? contact.advLon
-            : existingAdvertLocation != null
-            ? existingContact.advLon
-            : contact.advLon,
-      );
-
-      // Add new location to history if location has changed
-      if (contact.advertLocation != null) {
-        final timestamp = DateTime.fromMillisecondsSinceEpoch(
-          contact.lastAdvert * 1000,
-        );
-        updatedContact = updatedContact.addAdvertLocation(
-          contact.advertLocation!,
-          timestamp,
-        );
-      }
-    }
 
     _contacts[contact.publicKeyHex] = updatedContact;
     _pendingAdverts.remove(contact.publicKeyHex);
@@ -363,7 +318,11 @@ class ContactsProvider with ChangeNotifier {
         excluded++;
         continue;
       }
-      _contacts[contact.publicKeyHex] = contact;
+      final existingContact = _contacts[contact.publicKeyHex];
+      _contacts[contact.publicKeyHex] = _mergeIncomingContact(
+        incomingContact: contact,
+        existingContact: existingContact,
+      );
       _pendingAdverts.remove(contact.publicKeyHex);
     }
     if (excluded > 0) {
@@ -375,6 +334,60 @@ class ContactsProvider with ChangeNotifier {
     notifyListeners();
   }
 
+  Contact _mergeIncomingContact({
+    required Contact incomingContact,
+    Contact? existingContact,
+  }) {
+    if (existingContact == null) {
+      var newContact = incomingContact.copyWith(isNew: true);
+      if (incomingContact.advertLocation != null) {
+        final timestamp = DateTime.fromMillisecondsSinceEpoch(
+          incomingContact.lastAdvert * 1000,
+        );
+        newContact = newContact.addAdvertLocation(
+          incomingContact.advertLocation!,
+          timestamp,
+        );
+      }
+      return newContact;
+    }
+
+    final mergedTelemetry = _mergeTelemetryForContact(
+      existingTelemetry: existingContact.telemetry,
+      incomingTelemetry: incomingContact.telemetry,
+    );
+    final incomingAdvertLocation = incomingContact.advertLocation;
+    final existingAdvertLocation = existingContact.advertLocation;
+
+    var updatedContact = incomingContact.copyWith(
+      isNew: existingContact.isNew,
+      advertHistory: existingContact.advertHistory,
+      telemetry: mergedTelemetry,
+      advLat: incomingAdvertLocation != null
+          ? incomingContact.advLat
+          : existingAdvertLocation != null
+          ? existingContact.advLat
+          : incomingContact.advLat,
+      advLon: incomingAdvertLocation != null
+          ? incomingContact.advLon
+          : existingAdvertLocation != null
+          ? existingContact.advLon
+          : incomingContact.advLon,
+    );
+
+    if (incomingAdvertLocation != null) {
+      final timestamp = DateTime.fromMillisecondsSinceEpoch(
+        incomingContact.lastAdvert * 1000,
+      );
+      updatedContact = updatedContact.addAdvertLocation(
+        incomingAdvertLocation,
+        timestamp,
+      );
+    }
+
+    return updatedContact;
+  }
+
   /// Update contact telemetry
   void updateTelemetry(Uint8List publicKeyPrefix, Uint8List lppData) {
     debugPrint('📊 [ContactsProvider] updateTelemetry() called');
@@ -464,6 +477,42 @@ class ContactsProvider with ChangeNotifier {
     }
   }
 
+  void updateFastGps(Uint8List publicKeyPrefix, FastGpsPacket packet) {
+    final contact = _findContactByPrefix(publicKeyPrefix);
+    if (contact == null) {
+      debugPrint(
+        '⚠️ [ContactsProvider] Fast GPS sender not found: ${packet.senderKey6}',
+      );
+      return;
+    }
+
+    final updatedTelemetry = _mergeTelemetryForContact(
+      existingTelemetry: contact.telemetry,
+      incomingTelemetry: ContactTelemetry(
+        gpsLocation: LatLng(packet.latitude, packet.longitude),
+        batteryPercentage: null,
+        batteryMilliVolts: null,
+        temperature: null,
+        timestamp: DateTime.fromMillisecondsSinceEpoch(
+          packet.timestampSeconds * 1000,
+        ),
+        humidity: null,
+        pressure: null,
+        extraSensorData: null,
+      ),
+    );
+
+    final updatedContact = contact.copyWith(
+      telemetry: updatedTelemetry,
+      lastAdvert: packet.timestampSeconds,
+      advLat: _coordinateToAdvertMicrodegrees(packet.latitude),
+      advLon: _coordinateToAdvertMicrodegrees(packet.longitude),
+    );
+    _contacts[contact.publicKeyHex] = updatedContact;
+    _persistContacts();
+    notifyListeners();
+  }
+
   bool _isInvalidTelemetryGps(LatLng? location) {
     if (location == null) return false;
     final lat = location.latitude;
@@ -504,6 +553,8 @@ class ContactsProvider with ChangeNotifier {
       return existingTelemetry;
     }
 
+    // Telemetry packets and contact refreshes are often sparse. Preserve the
+    // last known reading for any field that is omitted in the incoming update.
     final incomingGps = _getValidGpsOrNull(incomingTelemetry.gpsLocation);
     final previousGps = _getValidGpsOrNull(existingTelemetry?.gpsLocation);
     final mergedExtraSensorData = <String, dynamic>{

lib/providers/helpers/message_retry_manager.dart

@@ -5,15 +5,13 @@ import '../../models/contact.dart';
 
 /// Manages message retry state and logic
 ///
-/// This helper class centralizes retry logic for direct messages, implementing
+/// This helper class centralizes retry logic for direct messages.
-/// a progressive timeout strategy (4s, 8s, 12s) for messages sent to contacts
-/// with learned routing paths.
 ///
 /// IMPORTANT: Based on MeshCore firmware analysis:
 /// - Firmware calculates timeout based on path length and airtime
 /// - Direct mode: ~(path_len * airtime * 2) + margin
 /// - Flood mode: ~10-30 seconds for multi-hop
-/// - Our timeouts (4s, 8s, 12s) are conservative for direct paths
+/// - Our retry delays (1s, 2s, 4s, 8s) are app-level backoff timers
 /// - Firmware does NOT automatically retry - app must implement
 class MessageRetryManager {
   // Track retry state for each message ID
@@ -21,10 +19,10 @@ class MessageRetryManager {
   final Map<String, DateTime> _lastRetryTimes = {};
   final Map<String, int> _pathFailureStreaks = {};
 
-  // Progressive timeout values in milliseconds
+  static const int maxRetryAttempts = 4;
-  // These are app-level timeouts, separate from firmware's suggested timeout
+
-  // Firmware timeout is for ACK arrival, these are for retry attempts
+  // Retry backoff values in milliseconds.
-  static const List<int> _timeouts = [4000, 8000, 12000];
+  static const List<int> _retryDelays = [1000, 2000, 4000, 8000];
   static const int _defaultLoRaSf = 10;
   static const int _defaultLoRaCr = 5;
   static const int _defaultLoRaBwHz = 250000;
@@ -32,13 +30,12 @@ class MessageRetryManager {
   static const int _defaultLoRaCrcEnabled = 1;
   static const int _defaultLoRaExplicitHeader = 1;
 
-  /// Get timeout for a specific retry attempt (0-2)
+  /// Get backoff delay for the next retry attempt.
-  /// Returns: 4000ms for attempt 0, 8000ms for attempt 1, 12000ms for attempt 2
+  int getDelayForAttempt(int attempt) {
-  int getTimeoutForAttempt(int attempt) {
+    if (attempt < 0 || attempt >= _retryDelays.length) {
-    if (attempt < 0 || attempt >= _timeouts.length) {
+      return _retryDelays.last;
-      return _timeouts.last; // Default to last timeout if out of range
     }
-    return _timeouts[attempt];
+    return _retryDelays[attempt];
   }
 
   /// Calculate a conservative delivery-ACK timeout when firmware doesn't
@@ -65,43 +62,8 @@ class MessageRetryManager {
     return ((airtimeMs * (hopCount + 1) * 2) + 1500).clamp(4000, 20000);
   }
 
-  /// Check if a message is eligible for retry
-  ///
-  /// Returns true if:
-  /// - The message has retryAttempt < 3
-  /// - The contact has a learned path (contact.hasPath == true)
-  /// - The message hasn't used flood fallback yet
-  ///
-  /// Messages to contacts without paths should NOT retry (flood mode already broadcasts)
   bool canRetry(Message message, Contact contact) {
-    // Never retry if already tried flood mode
+    return message.retryAttempt < maxRetryAttempts;
-    if (message.usedFloodFallback) {
-      return false;
-    }
-
-    // Never retry beyond 3 attempts
-    if (message.retryAttempt >= 3) {
-      return false;
-    }
-
-    // Only retry if contact has a learned path
-    // If no path, the device uses flood mode automatically - retrying won't help
-    return contact.routeHasPath;
-  }
-
-  /// Check if should fall back to flood mode
-  ///
-  /// Returns true if:
-  /// - Message has exhausted all 3 retry attempts with direct mode
-  /// - Contact HAS a learned path (so direct mode was used)
-  /// - Hasn't already used flood fallback
-  ///
-  /// IMPORTANT: Only contacts WITH paths need flood fallback.
-  /// Contacts without paths already use flood mode automatically.
-  bool shouldUseFloodFallback(Message message, Contact contact) {
-    return message.retryAttempt >= 3 &&
-        contact.routeHasPath &&
-        !message.usedFloodFallback;
   }
 
   /// Track a retry attempt for a message

lib/providers/helpers/raw_session_retransmit.dart

@@ -38,12 +38,6 @@ Future<bool> serveCachedSessionFragments<T>({
     );
     return false;
   }
-  if (!requester.routeSupportsLegacyRawTransport) {
-    debugPrint(
-      '⚠️ [$providerLabel] ${requester.advName} route uses unsupported 3-byte raw transport on current client',
-    );
-    return false;
-  }
   if (requester.outPath.isEmpty) {
     debugPrint(
       '⚠️ [$providerLabel] ${requester.advName} has empty outPath payload',
@@ -64,7 +58,7 @@ Future<bool> serveCachedSessionFragments<T>({
     try {
       await sendRawPacket(
         contactPath: requester.outPath,
-        contactPathLen: requester.routeSignedPathLen,
+        contactPathLen: requester.routeEncodedPathLen,
         payload: encodeBinary(fragment),
       );
       servedCount++;

lib/providers/messages_provider.dart

@@ -5,6 +5,8 @@ import '../models/contact.dart';
 import '../models/message_contact_location.dart';
 import '../models/message_reception_details.dart';
 import '../models/message_transfer_details.dart';
+import '../models/message_route_metadata.dart';
+import '../models/path_selection.dart';
 import '../models/sar_marker.dart';
 import '../models/map_drawing.dart';
 import '../services/message_storage_service.dart';
@@ -27,6 +29,7 @@ class MessagesProvider with ChangeNotifier {
   final Map<String, MessageContactLocation> _messageContactLocations = {};
   final Map<String, MessageReceptionDetails> _messageReceptionDetails = {};
   final Map<String, MessageTransferDetails> _messageTransferDetails = {};
+  final Map<String, MessageRouteMetadata> _messageRouteMetadata = {};
 
   // Track pending sent messages by expected ACK/TAG
   final Map<int, Message> _pendingSentMessages = {};
@@ -59,6 +62,8 @@ class MessagesProvider with ChangeNotifier {
 
   // Navigation state for message highlighting/scrolling
   String? _targetMessageId;
+  String? _targetDestinationType;
+  String? _targetRecipientPublicKeyHex;
 
   // Helper function to compare Uint8List for equality
   bool _listEquals(Uint8List a, Uint8List b) {
@@ -81,6 +86,25 @@ class MessagesProvider with ChangeNotifier {
 
   Future<void> Function({required Contact contact, required int failureStreak})?
   onDirectPathFailedCallback;
+  Future<bool> Function({
+    required String messageId,
+    required Contact contact,
+    required Message message,
+  })?
+  onFinalRouterFallbackCallback;
+  Future<void> Function({
+    required String messageId,
+    required Contact contact,
+    required Message message,
+  })?
+  onFinalDirectMessageFailureCallback;
+  void Function({
+    required String messageId,
+    required Contact contact,
+    required Message message,
+    required int roundTripTimeMs,
+  })?
+  onDirectMessageDeliveredCallback;
 
   String? Function(Uint8List? publicKey)? resolveContactNameCallback;
   String Function(int channelIdx)? resolveChannelNameCallback;
@@ -126,6 +150,30 @@ class MessagesProvider with ChangeNotifier {
   MessageTransferDetails? getMessageTransferDetails(String messageId) =>
       _messageTransferDetails[messageId];
 
+  MessageRouteMetadata? getMessageRouteMetadata(String messageId) =>
+      _messageRouteMetadata[messageId];
+
+  void updateMessageRouteSelection(
+    String messageId,
+    PathSelection selection, {
+    required bool routerFallbackAttempted,
+  }) {
+    _messageRouteMetadata[messageId] = MessageRouteMetadata.fromSelection(
+      selection,
+      routerFallbackAttempted: routerFallbackAttempted,
+    );
+
+    final index = _messages.indexWhere((message) => message.id == messageId);
+    if (index != -1) {
+      _messages[index] = _messages[index].copyWith(
+        usedFloodFallback: selection.usesFlood,
+      );
+    }
+
+    _persistMessages();
+    notifyListeners();
+  }
+
   /// Set localizations for notifications
   void setLocalizations(AppLocalizations localizations) {
     _localizations = localizations;
@@ -137,16 +185,99 @@ class MessagesProvider with ChangeNotifier {
     notifyListeners();
   }
 
+  String? get targetDestinationType => _targetDestinationType;
+  String? get targetRecipientPublicKeyHex => _targetRecipientPublicKeyHex;
+
+  void navigateToDestination(String type, {String? recipientPublicKeyHex}) {
+    _targetDestinationType = type;
+    _targetRecipientPublicKeyHex = recipientPublicKeyHex;
+    notifyListeners();
+  }
+
   /// Clear message navigation state
   void clearMessageNavigation() {
     _targetMessageId = null;
   }
 
+  void clearDestinationNavigation() {
+    _targetDestinationType = null;
+    _targetRecipientPublicKeyHex = null;
+  }
+
   /// Get count of unread messages (excluding sent messages and system messages)
   int get unreadCount => _messages
       .where((m) => !m.isRead && !m.isSentMessage && !m.isSystemMessage)
       .length;
 
+  int getMessageCountForDestination(Contact contact) => _messages
+      .where((message) => _isMessageForDestination(message, contact))
+      .length;
+
+  DateTime? getLastActivityForDestination(Contact contact) {
+    DateTime? latest;
+
+    for (final message in _messages) {
+      if (!_isMessageForDestination(message, contact)) {
+        continue;
+      }
+
+      if (latest == null || message.sentAt.isAfter(latest)) {
+        latest = message.sentAt;
+      }
+    }
+
+    return latest;
+  }
+
+  int getUnreadCountForDestination(Contact contact) => _messages
+      .where(
+        (message) =>
+            _isMessageForDestination(message, contact) &&
+            !message.isRead &&
+            !message.isSentMessage &&
+            !message.isSystemMessage,
+      )
+      .length;
+
+  bool _isMessageForDestination(Message message, Contact contact) {
+    if (message.isSystemMessage) return false;
+
+    if (contact.isChannel) {
+      final channelIdx = contact.publicKey.length > 1
+          ? contact.publicKey[1]
+          : 0;
+      return message.isChannelMessage &&
+          (message.channelIdx ?? 0) == channelIdx;
+    }
+
+    if (!message.isContactMessage || contact.publicKey.length < 6) {
+      return false;
+    }
+
+    final selectedPrefix = contact.publicKey.sublist(0, 6);
+
+    if (message.recipientPublicKey != null &&
+        message.recipientPublicKey!.length >= 6 &&
+        _matchesPrefix(message.recipientPublicKey!, selectedPrefix)) {
+      return true;
+    }
+
+    if (message.senderPublicKeyPrefix != null &&
+        message.senderPublicKeyPrefix!.length >= 6 &&
+        _matchesPrefix(message.senderPublicKeyPrefix!, selectedPrefix)) {
+      return true;
+    }
+
+    return false;
+  }
+
+  bool _matchesPrefix(Uint8List key, Uint8List prefix) {
+    for (var i = 0; i < 6; i++) {
+      if (key[i] != prefix[i]) return false;
+    }
+    return true;
+  }
+
   /// Initialize and load persisted messages
   Future<void> initialize() async {
     if (_isInitialized) return;
@@ -160,6 +291,8 @@ class MessagesProvider with ChangeNotifier {
           .loadMessageReceptionDetails();
       final storedTransferDetails = await _storageService
           .loadMessageTransferDetails();
+      final storedRouteMetadata = await _storageService
+          .loadMessageRouteMetadata();
       _messageContactLocations
         ..clear()
         ..addAll(storedContactLocations);
@@ -169,6 +302,9 @@ class MessagesProvider with ChangeNotifier {
       _messageTransferDetails
         ..clear()
         ..addAll(storedTransferDetails);
+      _messageRouteMetadata
+        ..clear()
+        ..addAll(storedRouteMetadata);
 
       // Add stored messages with enhancement to ensure SAR detection
       for (final message in storedMessages) {
@@ -629,9 +765,17 @@ class MessagesProvider with ChangeNotifier {
     final idx = channelIdx ?? 0;
     final resolved = resolveChannelNameCallback?.call(idx).trim();
     if (resolved != null && resolved.isNotEmpty) {
+      if (idx == 0 && resolved == 'Public') {
+        return _localizations?.publicChannel ?? resolved;
+      }
       return resolved;
     }
-    return idx == 0 ? 'Public' : 'Channel $idx';
+    if (idx == 0) {
+      return _localizations?.publicChannel ?? 'Public';
+    }
+    return _localizations != null
+        ? '${_localizations!.channel} $idx'
+        : 'Channel $idx';
   }
 
   String _buildNotificationMessageText(
@@ -645,14 +789,14 @@ class MessagesProvider with ChangeNotifier {
       final seconds = (voiceEnvelope.durationMs / 1000).ceil();
       final summary =
           'Voice message - ${voiceEnvelope.mode.label} - ${seconds}s - ${voiceEnvelope.total} packets';
-      return isChannelMessage ? '$senderName\n$summary' : summary;
+      return summary;
     }
 
     final imageEnvelope = ImageEnvelope.tryParse(message.text);
     if (imageEnvelope != null) {
       final summary =
           'Image - ${imageEnvelope.format.label} - ${imageEnvelope.width}x${imageEnvelope.height} - ${_formatBytes(imageEnvelope.sizeBytes)}';
-      return isChannelMessage ? '$senderName\n$summary' : summary;
+      return summary;
     }
 
     if (!isChannelMessage && message.recipientPublicKey != null) {
@@ -665,10 +809,6 @@ class MessagesProvider with ChangeNotifier {
       }
     }
 
-    if (isChannelMessage) {
-      return '$senderName\n${message.text}';
-    }
-
     return message.text;
   }
 
@@ -688,6 +828,7 @@ class MessagesProvider with ChangeNotifier {
         messageContactLocations: _messageContactLocations,
         messageReceptionDetails: _messageReceptionDetails,
         messageTransferDetails: _messageTransferDetails,
+        messageRouteMetadata: _messageRouteMetadata,
       );
     } catch (e) {
       debugPrint('❌ [MessagesProvider] Error persisting messages: $e');
@@ -768,6 +909,55 @@ class MessagesProvider with ChangeNotifier {
     }
   }
 
+  /// Mark unread messages for a specific destination as read.
+  void markDestinationAsRead({
+    required String destinationType,
+    Contact? contact,
+  }) {
+    if (destinationType == 'all') {
+      markAllAsRead();
+      return;
+    }
+
+    bool hasChanges = false;
+    for (int i = 0; i < _messages.length; i++) {
+      final message = _messages[i];
+      if (message.isRead || message.isSentMessage || message.isSystemMessage) {
+        continue;
+      }
+
+      final matchesDestination = switch (destinationType) {
+        'channel' => _isChannelMessageForContact(message, contact),
+        'contact' ||
+        'room' => contact != null && _isMessageForDestination(message, contact),
+        _ => false,
+      };
+
+      if (!matchesDestination) {
+        continue;
+      }
+
+      _messages[i] = message.copyWith(isRead: true);
+      hasChanges = true;
+    }
+
+    if (hasChanges) {
+      _persistMessages();
+      notifyListeners();
+    }
+  }
+
+  bool _isChannelMessageForContact(Message message, Contact? contact) {
+    if (!message.isChannelMessage) {
+      return false;
+    }
+
+    final selectedChannelIdx = contact != null && contact.publicKey.length > 1
+        ? contact.publicKey[1]
+        : 0;
+    return (message.channelIdx ?? 0) == selectedChannelIdx;
+  }
+
   /// Mark a specific message as read
   void markAsRead(String messageId) {
     final index = _messages.indexWhere((m) => m.id == messageId);
@@ -806,6 +996,7 @@ class MessagesProvider with ChangeNotifier {
       _messageContactLocations.remove(messageId);
       _messageReceptionDetails.remove(messageId);
       _messageTransferDetails.remove(messageId);
+      _messageRouteMetadata.remove(messageId);
 
       debugPrint('🗑️ [MessagesProvider] Message $messageId deleted');
 
@@ -837,6 +1028,7 @@ class MessagesProvider with ChangeNotifier {
     _messageContactLocations.clear();
     _messageReceptionDetails.clear();
     _messageTransferDetails.clear();
+    _messageRouteMetadata.clear();
     _persistMessages();
     notifyListeners();
   }
@@ -854,6 +1046,7 @@ class MessagesProvider with ChangeNotifier {
     _messageContactLocations.clear();
     _messageReceptionDetails.clear();
     _messageTransferDetails.clear();
+    _messageRouteMetadata.clear();
     _persistMessages();
     notifyListeners();
   }
@@ -1549,6 +1742,12 @@ class MessagesProvider with ChangeNotifier {
         final deliveredContact = _messageContactMap[message.id];
         if (deliveredContact != null) {
           _retryManager.recordDeliverySuccess(deliveredContact);
+          onDirectMessageDeliveredCallback?.call(
+            messageId: message.id,
+            contact: deliveredContact,
+            message: updatedMessage,
+            roundTripTimeMs: roundTripTimeMs,
+          );
         }
 
         debugPrint(
@@ -1592,6 +1791,12 @@ class MessagesProvider with ChangeNotifier {
           final deliveredContact = _messageContactMap[historicalMessageId];
           if (deliveredContact != null) {
             _retryManager.recordDeliverySuccess(deliveredContact);
+            onDirectMessageDeliveredCallback?.call(
+              messageId: historicalMessageId,
+              contact: deliveredContact,
+              message: _messages[historicalIndex],
+              roundTripTimeMs: roundTripTimeMs,
+            );
           }
           _persistMessages();
           notifyListeners();
@@ -1677,29 +1882,29 @@ class MessagesProvider with ChangeNotifier {
     debugPrint('   Contact has path: ${contact?.routeHasPath ?? false}');
     debugPrint('   Used flood fallback: ${message.usedFloodFallback}');
 
-    // Decision tree for retry/flood/fail
+    final routeMetadata = _messageRouteMetadata[messageId];
+    final routerFallbackAttempted =
+        routeMetadata?.routerFallbackAttempted ?? false;
+
+    // Decision tree for retry/final-router-fallback/fail
     if (contact != null && _retryManager.canRetry(message, contact)) {
-      // RETRY: Contact has path and retry attempts < 3
       _scheduleRetry(messageId, message, contact);
-    } else if (contact != null &&
+    } else if (contact != null && !routerFallbackAttempted) {
-        _retryManager.shouldUseFloodFallback(message, contact)) {
+      unawaited(_sendWithFinalRouterFallback(messageId, message, contact));
-      // FLOOD FALLBACK: After 3 retries failed, try flood once
-      _sendWithFloodMode(messageId, message, contact);
     } else {
-      // PERMANENTLY FAILED: No retry possible
       _markAsPermanentlyFailed(messageId, message);
     }
   }
 
-  /// Schedule a retry with progressive timeout
+  /// Schedule a retry with exponential backoff.
   void _scheduleRetry(String messageId, Message message, Contact contact) {
     final nextAttempt = message.retryAttempt + 1;
-    final timeout = _retryManager.getTimeoutForAttempt(message.retryAttempt);
+    final delayMs = _retryManager.getDelayForAttempt(message.retryAttempt);
 
     debugPrint(
-      '🔄 [MessagesProvider] Scheduling retry $nextAttempt/3 for message $messageId',
+      '🔄 [MessagesProvider] Scheduling retry $nextAttempt/${MessageRetryManager.maxRetryAttempts} for message $messageId',
     );
-    debugPrint('   Timeout: ${timeout}ms');
+    debugPrint('   Delay: ${delayMs}ms');
 
     // Update message with new retry attempt
     final index = _messages.indexWhere((m) => m.id == messageId);
@@ -1720,10 +1925,10 @@ class MessagesProvider with ChangeNotifier {
       // Track retry
       _retryManager.trackRetry(messageId, nextAttempt);
 
-      notifyListeners(); // Update UI to show "Retrying (X/3)..."
+      notifyListeners();
 
       // Schedule actual retry after delay
-      Timer(Duration(milliseconds: timeout), () async {
+      Timer(Duration(milliseconds: delayMs), () async {
         debugPrint(
           '⏰ [MessagesProvider] Executing retry $nextAttempt for message $messageId',
         );
@@ -1759,49 +1964,46 @@ class MessagesProvider with ChangeNotifier {
     }
   }
 
-  /// Send message with flood mode as last resort
+  Future<void> _sendWithFinalRouterFallback(
-  Future<void> _sendWithFloodMode(
     String messageId,
     Message message,
     Contact contact,
   ) async {
     debugPrint(
-      '🌊 [MessagesProvider] Trying flood mode for message $messageId',
+      '🛟 [MessagesProvider] Trying final router fallback for $messageId',
     );
 
     final index = _messages.indexWhere((m) => m.id == messageId);
     if (index != -1) {
       _messages[index] = message.copyWith(
-        usedFloodFallback: true,
         deliveryStatus: MessageDeliveryStatus.sending,
+        lastRetryAt: DateTime.now(),
       );
 
-      // Cancel old timeout timer
       _timeoutTimers[message.id]?.cancel();
       _timeoutTimers.remove(message.id);
       if (message.expectedAckTag != null) {
         _pendingSentMessages.remove(message.expectedAckTag);
       }
+      _clearAckHistoryForMessage(messageId);
 
       notifyListeners();
 
-      // Send with flood mode (no retry after this)
+      if (onFinalRouterFallbackCallback == null) {
-      if (sendMessageCallback != null) {
-        final queued = await sendMessageCallback!(
-          contactPublicKey: contact.publicKey,
-          text: message.text,
-          messageId: messageId,
-          contact: contact,
-          retryAttempt: 0, // Reset attempt for flood
-        );
-        if (!queued) {
-          _markAsPermanentlyFailed(messageId, _messages[index]);
-        }
-      } else {
         debugPrint(
-          '⚠️ [MessagesProvider] sendMessageCallback not set, cannot send flood',
+          '⚠️ [MessagesProvider] onFinalRouterFallbackCallback not set',
         );
         _markAsPermanentlyFailed(messageId, _messages[index]);
+        return;
+      }
+
+      final queued = await onFinalRouterFallbackCallback!(
+        messageId: messageId,
+        contact: contact,
+        message: _messages[index],
+      );
+      if (!queued) {
+        _markAsPermanentlyFailed(messageId, _messages[index]);
       }
 
       _persistMessages();
@@ -1830,19 +2032,15 @@ class MessagesProvider with ChangeNotifier {
       _retryManager.clearRetry(messageId);
 
       final failedContact = _messageContactMap[messageId];
-      if (failedContact != null && failedContact.routeHasPath) {
+      if (failedContact != null &&
-        final failureStreak = _retryManager.recordPathFailure(failedContact);
+          onFinalDirectMessageFailureCallback != null) {
-        debugPrint(
+        unawaited(
-          '   Path failure streak for ${failedContact.advName}: $failureStreak',
+          onFinalDirectMessageFailureCallback!(
+            messageId: messageId,
+            contact: failedContact,
+            message: _messages[index],
+          ),
         );
-        if (failureStreak >= 2 && onDirectPathFailedCallback != null) {
-          unawaited(
-            onDirectPathFailedCallback!(
-              contact: failedContact,
-              failureStreak: failureStreak,
-            ),
-          );
-        }
       }
 
       _persistMessages();
@@ -1870,6 +2068,7 @@ class MessagesProvider with ChangeNotifier {
     }
     _clearAckHistoryForMessage(messageId);
     _retryManager.clearRetry(messageId);
+    _messageRouteMetadata.remove(messageId);
 
     _messages[index] = Message(
       id: message.id,

lib/providers/sensors_provider.dart

@@ -11,6 +11,7 @@ import 'contacts_provider.dart';
 enum SensorRefreshState { idle, refreshing, success, timeout, unavailable }
 
 class SensorsProvider with ChangeNotifier {
+  static const Duration _successStateRetention = Duration(minutes: 1);
   static const String _watchedSensorsKey = 'watched_sensor_keys';
   static const String _visibleSensorMetricsKey = 'visible_sensor_metrics';
   static const String _fieldSpanKey = 'sensor_field_spans';
@@ -26,6 +27,7 @@ class SensorsProvider with ChangeNotifier {
   final List<String> _watchedSensorKeys = <String>[];
   final Map<String, SensorRefreshState> _refreshStates =
       <String, SensorRefreshState>{};
+  final Map<String, DateTime> _refreshStateUpdatedAt = <String, DateTime>{};
   final Map<String, Set<String>> _visibleFieldsBySensor =
       <String, Set<String>>{};
   final Map<String, Map<String, int>> _fieldSpansBySensor =
@@ -189,6 +191,7 @@ class SensorsProvider with ChangeNotifier {
   Future<void> removeSensor(String publicKeyHex) async {
     _watchedSensorKeys.remove(publicKeyHex);
     _refreshStates.remove(publicKeyHex);
+    _refreshStateUpdatedAt.remove(publicKeyHex);
     _visibleFieldsBySensor.remove(publicKeyHex);
     _fieldSpansBySensor.remove(publicKeyHex);
     await _persistWatchedSensors();
@@ -220,35 +223,78 @@ class SensorsProvider with ChangeNotifier {
 
     try {
       for (final key in _watchedSensorKeys) {
-        Contact? contact;
+        await refreshSensor(
-        for (final entry in contactsProvider.contacts) {
+          publicKeyHex: key,
-          if (entry.publicKeyHex == key) {
+          contactsProvider: contactsProvider,
-            contact = entry;
+          connectionProvider: connectionProvider,
-            break;
-          }
-        }
-        if (contact == null) {
-          _refreshStates[key] = SensorRefreshState.unavailable;
-          notifyListeners();
-          continue;
-        }
-
-        _refreshStates[key] = SensorRefreshState.refreshing;
-        notifyListeners();
-
-        final result = await connectionProvider.smartPing(
-          contactPublicKey: contact.publicKey,
-          hasPath: contact.hasPath,
         );
-
-        _refreshStates[key] = result.success
-            ? SensorRefreshState.success
-            : SensorRefreshState.timeout;
-        notifyListeners();
       }
     } finally {
       _isRefreshingAll = false;
       notifyListeners();
     }
   }
+
+  Future<void> refreshSensor({
+    required String publicKeyHex,
+    required ContactsProvider contactsProvider,
+    required ConnectionProvider connectionProvider,
+  }) async {
+    Contact? contact;
+    for (final entry in contactsProvider.contacts) {
+      if (entry.publicKeyHex == publicKeyHex) {
+        contact = entry;
+        break;
+      }
+    }
+
+    if (contact == null) {
+      _setRefreshState(publicKeyHex, SensorRefreshState.unavailable);
+      return;
+    }
+
+    _setRefreshState(publicKeyHex, SensorRefreshState.refreshing);
+
+    final result = await connectionProvider.smartPing(
+      contactPublicKey: contact.publicKey,
+      hasPath: contact.hasPath,
+    );
+
+    _setRefreshState(
+      publicKeyHex,
+      result.success ? SensorRefreshState.success : SensorRefreshState.timeout,
+    );
+  }
+
+  void clearExpiredRefreshStates({DateTime? now}) {
+    final cutoff = (now ?? DateTime.now()).subtract(_successStateRetention);
+    final keysToClear = <String>[];
+
+    for (final entry in _refreshStates.entries) {
+      if (entry.value != SensorRefreshState.success) {
+        continue;
+      }
+
+      final updatedAt = _refreshStateUpdatedAt[entry.key];
+      if (updatedAt == null || !updatedAt.isAfter(cutoff)) {
+        keysToClear.add(entry.key);
+      }
+    }
+
+    if (keysToClear.isEmpty) {
+      return;
+    }
+
+    for (final key in keysToClear) {
+      _refreshStates.remove(key);
+      _refreshStateUpdatedAt.remove(key);
+    }
+    notifyListeners();
+  }
+
+  void _setRefreshState(String publicKeyHex, SensorRefreshState state) {
+    _refreshStates[publicKeyHex] = state;
+    _refreshStateUpdatedAt[publicKeyHex] = DateTime.now();
+    notifyListeners();
+  }
 }

lib/screens/contacts_tab.dart

@@ -7,13 +7,23 @@ import '../models/contact.dart';
 import '../providers/contacts_provider.dart';
 import '../providers/app_provider.dart';
 import '../providers/connection_provider.dart';
+import '../providers/messages_provider.dart';
+import '../services/message_destination_preferences.dart';
+import '../utils/contact_grouping.dart';
+import '../utils/avatar_label_helper.dart';
+import '../widgets/common/contact_avatar.dart';
 import '../widgets/contacts/contact_tile.dart';
 import '../widgets/contacts/add_channel_dialog.dart';
 
 class ContactsTab extends StatefulWidget {
   final VoidCallback? onNavigateToMap;
+  final VoidCallback? onNavigateToMessages;
 
-  const ContactsTab({super.key, this.onNavigateToMap});
+  const ContactsTab({
+    super.key,
+    this.onNavigateToMap,
+    this.onNavigateToMessages,
+  });
 
   @override
   State<ContactsTab> createState() => _ContactsTabState();
@@ -22,6 +32,11 @@ class ContactsTab extends StatefulWidget {
 class _ContactsTabState extends State<ContactsTab> {
   Position? _currentPosition;
   final Set<String> _resolvingAdvertKeys = <String>{};
+  final Map<ContactSection, ContactSortMode> _sortModes = {
+    ContactSection.teamMembers: ContactSortMode.lastSeen,
+    ContactSection.repeaters: ContactSortMode.lastSeen,
+    ContactSection.rooms: ContactSortMode.lastSeen,
+  };
 
   @override
   void initState() {
@@ -120,20 +135,31 @@ class _ContactsTabState extends State<ContactsTab> {
     return l10n.daysAgo(diff.inDays);
   }
 
-  List<Contact> _sortContactsByDistance(List<Contact> contacts) {
+  List<Contact> _sortContacts(List<Contact> contacts, ContactSection section) {
     final sorted = List<Contact>.from(contacts);
+    if (section == ContactSection.channels) {
+      sorted.sort(
+        (a, b) =>
+            a.displayName.toLowerCase().compareTo(b.displayName.toLowerCase()),
+      );
+      return sorted;
+    }
+
+    final sortMode = _sortModes[section] ?? ContactSortMode.lastSeen;
 
     sorted.sort((a, b) {
-      final distanceA = _distanceFromCurrentPosition(a);
+      if (sortMode == ContactSortMode.distance) {
-      final distanceB = _distanceFromCurrentPosition(b);
+        final distanceA = _distanceFromCurrentPosition(a);
+        final distanceB = _distanceFromCurrentPosition(b);
 
-      if (distanceA != null && distanceB != null) {
+        if (distanceA != null && distanceB != null) {
-        final distanceCompare = distanceA.compareTo(distanceB);
+          final distanceCompare = distanceA.compareTo(distanceB);
-        if (distanceCompare != 0) return distanceCompare;
+          if (distanceCompare != 0) return distanceCompare;
-      } else if (distanceA != null) {
+        } else if (distanceA != null) {
-        return -1;
+          return -1;
-      } else if (distanceB != null) {
+        } else if (distanceB != null) {
-        return 1;
+          return 1;
+        }
       }
 
       return b.lastSeenTime.compareTo(a.lastSeenTime);
@@ -203,19 +229,31 @@ class _ContactsTabState extends State<ContactsTab> {
     return Scaffold(
       body: Consumer<ContactsProvider>(
         builder: (context, contactsProvider, child) {
-          final chatContacts = _sortContactsByDistance(
+          final messagesProvider = context.watch<MessagesProvider>();
+          final chatContacts = _sortContacts(
             contactsProvider.chatContacts,
+            ContactSection.teamMembers,
+          );
+          final repeaters = _sortContacts(
+            contactsProvider.repeaters,
+            ContactSection.repeaters,
+          );
+          final rooms = _sortContacts(
+            contactsProvider.rooms,
+            ContactSection.rooms,
+          );
+          final channels = _sortContacts(
+            contactsProvider.channels,
+            ContactSection.channels,
           );
-          final repeaters = _sortContactsByDistance(contactsProvider.repeaters);
-          final rooms = _sortContactsByDistance(contactsProvider.rooms);
-          final channels = _sortContactsByDistance(contactsProvider.channels);
           final pendingAdverts = contactsProvider.pendingAdverts;
 
-          // Check if there are any displayable contacts (excluding channels)
+          // Check if there are any displayable contacts
           final hasDisplayableContacts =
               chatContacts.isNotEmpty ||
               repeaters.isNotEmpty ||
               rooms.isNotEmpty ||
+              channels.isNotEmpty ||
               pendingAdverts.isNotEmpty;
 
           if (!hasDisplayableContacts) {
@@ -276,16 +314,12 @@ class _ContactsTabState extends State<ContactsTab> {
                     title: l10n.teamMembers,
                     count: chatContacts.length,
                     icon: Icons.people,
-                  ),
+                    trailing: _buildSortMenu(
-                  ...chatContacts.map(
+                      context,
-                    (contact) => ContactTile(
+                      ContactSection.teamMembers,
-                      contact: contact,
-                      currentPosition: _currentPosition,
-                      calculateDistance: _calculateDistanceInMeters,
-                      formatDistance: _formatDistance,
-                      onNavigateToMap: widget.onNavigateToMap,
                     ),
                   ),
+                  ..._buildContactSectionItems(chatContacts),
                   const Divider(height: 32),
                 ],
 
@@ -295,16 +329,9 @@ class _ContactsTabState extends State<ContactsTab> {
                     title: l10n.repeaters,
                     count: repeaters.length,
                     icon: Icons.router,
+                    trailing: _buildSortMenu(context, ContactSection.repeaters),
                   ),
-                  ...repeaters.map(
+                  ..._buildContactSectionItems(repeaters),
-                    (contact) => ContactTile(
-                      contact: contact,
-                      currentPosition: _currentPosition,
-                      calculateDistance: _calculateDistanceInMeters,
-                      formatDistance: _formatDistance,
-                      onNavigateToMap: widget.onNavigateToMap,
-                    ),
-                  ),
                   const Divider(height: 32),
                 ],
 
@@ -314,16 +341,9 @@ class _ContactsTabState extends State<ContactsTab> {
                     title: l10n.rooms,
                     count: rooms.length,
                     icon: Icons.tag,
+                    trailing: _buildSortMenu(context, ContactSection.rooms),
                   ),
-                  ...rooms.map(
+                  ..._buildContactSectionItems(rooms),
-                    (contact) => ContactTile(
-                      contact: contact,
-                      currentPosition: _currentPosition,
-                      calculateDistance: _calculateDistanceInMeters,
-                      formatDistance: _formatDistance,
-                      onNavigateToMap: widget.onNavigateToMap,
-                    ),
-                  ),
                   const Divider(height: 32),
                 ],
 
@@ -335,12 +355,11 @@ class _ContactsTabState extends State<ContactsTab> {
                 ),
                 if (channels.isNotEmpty) ...[
                   ...channels.map(
-                    (contact) => ContactTile(
+                    (channel) => _ChannelActivityCard(
-                      contact: contact,
+                      channel: channel,
-                      currentPosition: _currentPosition,
+                      messagesProvider: messagesProvider,
-                      calculateDistance: _calculateDistanceInMeters,
+                      contactsProvider: contactsProvider,
-                      formatDistance: _formatDistance,
+                      onNavigateToMessages: widget.onNavigateToMessages,
-                      onNavigateToMap: widget.onNavigateToMap,
                     ),
                   ),
                 ],
@@ -371,8 +390,97 @@ class _ContactsTabState extends State<ContactsTab> {
       ),
     );
   }
+
+  List<Widget> _buildContactSectionItems(List<Contact> contacts) {
+    final items = ContactGrouping.buildItemsFromSorted(contacts);
+
+    return items.map((item) {
+      if (item.isGroup) {
+        return _InferredContactGroupCard(
+          label: item.group!.label,
+          contacts: item.group!.contacts,
+          currentPosition: _currentPosition,
+          calculateDistance: _calculateDistanceInMeters,
+          formatDistance: _formatDistance,
+          onNavigateToMap: widget.onNavigateToMap,
+          onNavigateToMessages: widget.onNavigateToMessages,
+        );
+      }
+
+      return ContactTile(
+        contact: item.contact!,
+        currentPosition: _currentPosition,
+        calculateDistance: _calculateDistanceInMeters,
+        formatDistance: _formatDistance,
+        onNavigateToMap: widget.onNavigateToMap,
+        onNavigateToMessages: widget.onNavigateToMessages,
+      );
+    }).toList();
+  }
+
+  Widget _buildSortMenu(BuildContext context, ContactSection section) {
+    final l10n = AppLocalizations.of(context)!;
+    final selectedMode = _sortModes[section] ?? ContactSortMode.lastSeen;
+    final colorScheme = Theme.of(context).colorScheme;
+
+    return PopupMenuButton<ContactSortMode>(
+      tooltip: 'Sort',
+      initialValue: selectedMode,
+      onSelected: (sortMode) {
+        setState(() {
+          _sortModes[section] = sortMode;
+        });
+      },
+      itemBuilder: (context) => [
+        PopupMenuItem<ContactSortMode>(
+          value: ContactSortMode.lastSeen,
+          child: Row(
+            children: [
+              Icon(
+                Icons.schedule,
+                size: 18,
+                color: selectedMode == ContactSortMode.lastSeen
+                    ? colorScheme.primary
+                    : null,
+              ),
+              const SizedBox(width: 8),
+              Text(l10n.lastSeen),
+            ],
+          ),
+        ),
+        PopupMenuItem<ContactSortMode>(
+          value: ContactSortMode.distance,
+          child: Row(
+            children: [
+              Icon(
+                Icons.near_me,
+                size: 18,
+                color: selectedMode == ContactSortMode.distance
+                    ? colorScheme.primary
+                    : null,
+              ),
+              const SizedBox(width: 8),
+              Text(l10n.distance),
+            ],
+          ),
+        ),
+      ],
+      child: Padding(
+        padding: const EdgeInsets.all(4),
+        child: Icon(
+          Icons.more_horiz,
+          size: 18,
+          color: colorScheme.onSurfaceVariant,
+        ),
+      ),
+    );
+  }
 }
 
+enum ContactSortMode { lastSeen, distance }
+
+enum ContactSection { teamMembers, repeaters, rooms, channels }
+
 class _PendingAdvertTile extends StatelessWidget {
   final PendingAdvert advert;
   final String subtitle;
@@ -417,11 +525,13 @@ class _SectionHeader extends StatelessWidget {
   final String title;
   final int count;
   final IconData icon;
+  final Widget? trailing;
 
   const _SectionHeader({
     required this.title,
     required this.count,
     required this.icon,
+    this.trailing,
   });
 
   @override
@@ -450,6 +560,454 @@ class _SectionHeader extends StatelessWidget {
               style: Theme.of(context).textTheme.labelSmall,
             ),
           ),
+          if (trailing != null) ...[const Spacer(), trailing!],
+        ],
+      ),
+    );
+  }
+}
+
+class _InferredContactGroupCard extends StatelessWidget {
+  final String label;
+  final List<Contact> contacts;
+  final Position? currentPosition;
+  final double Function(double, double, double, double) calculateDistance;
+  final String Function(double) formatDistance;
+  final VoidCallback? onNavigateToMap;
+  final VoidCallback? onNavigateToMessages;
+
+  const _InferredContactGroupCard({
+    required this.label,
+    required this.contacts,
+    required this.currentPosition,
+    required this.calculateDistance,
+    required this.formatDistance,
+    required this.onNavigateToMap,
+    required this.onNavigateToMessages,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+
+    return Container(
+      margin: const EdgeInsets.only(bottom: 12),
+      decoration: BoxDecoration(
+        color: colorScheme.surfaceContainerLow,
+        borderRadius: BorderRadius.circular(18),
+        border: Border.all(
+          color: colorScheme.outlineVariant.withValues(alpha: 0.35),
+        ),
+      ),
+      child: Theme(
+        data: Theme.of(context).copyWith(dividerColor: Colors.transparent),
+        child: ExpansionTile(
+          tilePadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 2),
+          childrenPadding: const EdgeInsets.fromLTRB(12, 0, 12, 8),
+          initiallyExpanded: false,
+          leading: Icon(
+            Icons.folder_copy_outlined,
+            size: 18,
+            color: colorScheme.primary,
+          ),
+          title: Row(
+            children: [
+              Expanded(
+                child: Text(
+                  label,
+                  style: Theme.of(
+                    context,
+                  ).textTheme.titleSmall?.copyWith(fontWeight: FontWeight.w800),
+                ),
+              ),
+              const SizedBox(width: 8),
+              Container(
+                padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
+                decoration: BoxDecoration(
+                  color: colorScheme.primaryContainer,
+                  borderRadius: BorderRadius.circular(999),
+                ),
+                child: Text(
+                  contacts.length.toString(),
+                  style: Theme.of(context).textTheme.labelSmall,
+                ),
+              ),
+            ],
+          ),
+          children: [
+            ...contacts.map(
+              (contact) => ContactTile(
+                contact: contact,
+                currentPosition: currentPosition,
+                calculateDistance: calculateDistance,
+                formatDistance: formatDistance,
+                onNavigateToMap: onNavigateToMap,
+                onNavigateToMessages: onNavigateToMessages,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _ChannelActivityCard extends StatelessWidget {
+  final Contact channel;
+  final MessagesProvider messagesProvider;
+  final ContactsProvider contactsProvider;
+  final VoidCallback? onNavigateToMessages;
+
+  const _ChannelActivityCard({
+    required this.channel,
+    required this.messagesProvider,
+    required this.contactsProvider,
+    required this.onNavigateToMessages,
+  });
+
+  String _formatRelativeTime(BuildContext context, DateTime when) {
+    final l10n = AppLocalizations.of(context)!;
+    final diff = DateTime.now().difference(when);
+
+    if (diff.inMinutes < 1) return l10n.justNow;
+    if (diff.inMinutes < 60) return l10n.minutesAgo(diff.inMinutes);
+    if (diff.inHours < 24) return l10n.hoursAgo(diff.inHours);
+    return l10n.daysAgo(diff.inDays);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final titleStyle = Theme.of(context).textTheme.titleMedium?.copyWith(
+      fontWeight: FontWeight.w800,
+      letterSpacing: -0.3,
+    );
+    final channelIdx = channel.publicKey.length > 1 ? channel.publicKey[1] : 0;
+    final channelMessages = messagesProvider.getMessagesForChannel(channelIdx)
+      ..sort((a, b) => b.sentAt.compareTo(a.sentAt));
+    final lastActivityAt = messagesProvider.getLastActivityForDestination(
+      channel,
+    );
+    final activityLabel = lastActivityAt == null
+        ? null
+        : _formatRelativeTime(context, lastActivityAt);
+    final participantNames = <String>[];
+    for (final message in channelMessages) {
+      final senderName = message.senderName?.trim();
+      if (senderName == null || senderName.isEmpty) continue;
+      if (!participantNames.contains(senderName)) {
+        participantNames.add(senderName);
+      }
+    }
+    return Container(
+      margin: const EdgeInsets.only(bottom: 8),
+      decoration: BoxDecoration(
+        borderRadius: BorderRadius.circular(18),
+        gradient: LinearGradient(
+          begin: Alignment.topLeft,
+          end: Alignment.bottomRight,
+          colors: [
+            colorScheme.surfaceContainerLow,
+            colorScheme.surfaceContainerHighest.withValues(alpha: 0.9),
+          ],
+        ),
+        border: Border.all(
+          color: colorScheme.outlineVariant.withValues(alpha: 0.35),
+        ),
+        boxShadow: [
+          BoxShadow(
+            color: Colors.black.withValues(alpha: 0.045),
+            blurRadius: 12,
+            offset: const Offset(0, 4),
+          ),
+        ],
+      ),
+      child: Material(
+        color: Colors.transparent,
+        child: InkWell(
+          borderRadius: BorderRadius.circular(18),
+          onTap: () async {
+            await MessageDestinationPreferences.setDestination(
+              MessageDestinationPreferences.destinationTypeChannel,
+              recipientPublicKey: channel.publicKeyHex,
+            );
+            messagesProvider.navigateToDestination(
+              MessageDestinationPreferences.destinationTypeChannel,
+              recipientPublicKeyHex: channel.publicKeyHex,
+            );
+            onNavigateToMessages?.call();
+          },
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
+            child: Row(
+              crossAxisAlignment: CrossAxisAlignment.center,
+              children: [
+                ContactAvatar(contact: channel, radius: 24),
+                const SizedBox(width: 10),
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Row(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          Expanded(
+                            child: Text(
+                              channel.displayName,
+                              maxLines: 1,
+                              overflow: TextOverflow.ellipsis,
+                              style: titleStyle,
+                            ),
+                          ),
+                          const SizedBox(width: 8),
+                          if (activityLabel != null)
+                            Text(
+                              activityLabel,
+                              style: Theme.of(context).textTheme.labelSmall
+                                  ?.copyWith(
+                                    color: colorScheme.onSurfaceVariant,
+                                    fontWeight: FontWeight.w600,
+                                  ),
+                            ),
+                        ],
+                      ),
+                      const SizedBox(height: 8),
+                      if (participantNames.isNotEmpty)
+                        _ExpandableParticipantStack(
+                          names: participantNames,
+                          contactForName: _findParticipantContact,
+                        )
+                      else
+                        Text(
+                          'No recent chatters',
+                          style: Theme.of(context).textTheme.bodySmall
+                              ?.copyWith(color: colorScheme.onSurfaceVariant),
+                        ),
+                      const SizedBox(height: 8),
+                      Wrap(
+                        spacing: 6,
+                        runSpacing: 6,
+                        children: [
+                          _MetricChip(
+                            icon: Icons.forum_outlined,
+                            label: '${channelMessages.length}',
+                            helper: 'messages',
+                          ),
+                          _MetricChip(
+                            icon: Icons.group_outlined,
+                            label: '${participantNames.length}',
+                            helper: 'active',
+                          ),
+                        ],
+                      ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  Contact? _findParticipantContact(String name) {
+    for (final contact in contactsProvider.contacts) {
+      if (!contact.isChannel && contact.advName == name) {
+        return contact;
+      }
+    }
+    return null;
+  }
+}
+
+class _ExpandableParticipantStack extends StatefulWidget {
+  final List<String> names;
+  final Contact? Function(String name) contactForName;
+
+  const _ExpandableParticipantStack({
+    required this.names,
+    required this.contactForName,
+  });
+
+  @override
+  State<_ExpandableParticipantStack> createState() =>
+      _ExpandableParticipantStackState();
+}
+
+class _ExpandableParticipantStackState
+    extends State<_ExpandableParticipantStack> {
+  bool _expanded = false;
+  static const int _collapsedVisibleCount = 4;
+
+  @override
+  Widget build(BuildContext context) {
+    final hasOverflow = widget.names.length > _collapsedVisibleCount;
+    final visibleNames = _expanded
+        ? widget.names
+        : widget.names.take(_collapsedVisibleCount).toList();
+    final overflowCount = _expanded
+        ? 0
+        : widget.names.length - visibleNames.length;
+    final spacing = _expanded ? 20.0 : 16.0;
+    const avatarSize = 24.0;
+    final itemCount = visibleNames.length + (overflowCount > 0 ? 1 : 0);
+    final width = itemCount == 0 ? 0.0 : avatarSize + (itemCount - 1) * spacing;
+
+    return GestureDetector(
+      onTap: hasOverflow
+          ? () {
+              setState(() {
+                _expanded = !_expanded;
+              });
+            }
+          : null,
+      child: AnimatedContainer(
+        duration: const Duration(milliseconds: 180),
+        curve: Curves.easeOut,
+        width: width,
+        height: avatarSize,
+        child: Stack(
+          clipBehavior: Clip.none,
+          children: [
+            for (var i = 0; i < visibleNames.length; i++)
+              Positioned(
+                left: i * spacing,
+                top: 0,
+                child: _ParticipantAvatar(
+                  name: visibleNames[i],
+                  contact: widget.contactForName(visibleNames[i]),
+                ),
+              ),
+            if (overflowCount > 0)
+              Positioned(
+                left: visibleNames.length * spacing,
+                top: 0,
+                child: _OverflowAvatar(count: overflowCount),
+              ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _OverflowAvatar extends StatelessWidget {
+  final int count;
+
+  const _OverflowAvatar({required this.count});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Container(
+      width: 24,
+      height: 24,
+      decoration: BoxDecoration(
+        color: colorScheme.surfaceContainerHighest,
+        shape: BoxShape.circle,
+        border: Border.all(color: colorScheme.surface, width: 2),
+      ),
+      alignment: Alignment.center,
+      child: Text(
+        '+$count',
+        style: Theme.of(context).textTheme.labelSmall?.copyWith(
+          fontWeight: FontWeight.w700,
+          color: colorScheme.onSurface,
+          fontSize: 9,
+        ),
+      ),
+    );
+  }
+}
+
+class _ParticipantAvatar extends StatelessWidget {
+  final String name;
+  final Contact? contact;
+  static const double _size = 24;
+
+  const _ParticipantAvatar({required this.name, required this.contact});
+
+  @override
+  Widget build(BuildContext context) {
+    if (contact != null) {
+      final surfaceColor = Theme.of(context).colorScheme.surface;
+      return SizedBox(
+        width: _size,
+        height: _size,
+        child: DecoratedBox(
+          decoration: BoxDecoration(
+            shape: BoxShape.circle,
+            border: Border.all(color: surfaceColor, width: 2),
+          ),
+          child: Padding(
+            padding: const EdgeInsets.all(2),
+            child: ClipOval(child: ContactAvatar(contact: contact!, radius: 8)),
+          ),
+        ),
+      );
+    }
+
+    final colorScheme = Theme.of(context).colorScheme;
+    return Container(
+      width: _size,
+      height: _size,
+      decoration: BoxDecoration(
+        color: colorScheme.tertiaryContainer,
+        shape: BoxShape.circle,
+        border: Border.all(color: colorScheme.surface, width: 2),
+      ),
+      alignment: Alignment.center,
+      child: Text(
+        AvatarLabelHelper.buildLabel(name),
+        style: Theme.of(context).textTheme.labelSmall?.copyWith(
+          fontWeight: FontWeight.w700,
+          color: colorScheme.onTertiaryContainer,
+          fontSize: 9,
+        ),
+      ),
+    );
+  }
+}
+
+class _MetricChip extends StatelessWidget {
+  final IconData icon;
+  final String label;
+  final String helper;
+
+  const _MetricChip({
+    required this.icon,
+    required this.label,
+    required this.helper,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 7, vertical: 4),
+      decoration: BoxDecoration(
+        color: colorScheme.surface.withValues(alpha: 0.72),
+        borderRadius: BorderRadius.circular(999),
+      ),
+      child: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Icon(icon, size: 14, color: colorScheme.onSurfaceVariant),
+          const SizedBox(width: 5),
+          Text(
+            label,
+            style: Theme.of(
+              context,
+            ).textTheme.labelSmall?.copyWith(fontWeight: FontWeight.w700),
+          ),
+          const SizedBox(width: 4),
+          Text(
+            helper,
+            style: Theme.of(context).textTheme.labelSmall?.copyWith(
+              color: colorScheme.onSurfaceVariant,
+            ),
+          ),
         ],
       ),
     );

lib/screens/device_config_screen.dart

@@ -398,26 +398,51 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
   Widget build(BuildContext context) {
     final deviceInfo = context.watch<ConnectionProvider>().deviceInfo;
     final theme = Theme.of(context);
+    final colorScheme = theme.colorScheme;
+    final locationSet =
+        (deviceInfo.advLat != null && deviceInfo.advLat != 0) ||
+        (deviceInfo.advLon != null && deviceInfo.advLon != 0);
 
     return Scaffold(
       appBar: AppBar(title: Text(AppLocalizations.of(context)!.settings)),
-      body: ListView(
+      body: SafeArea(
-        padding: const EdgeInsets.all(16),
+        child: ListView(
-        children: [
+          padding: const EdgeInsets.fromLTRB(16, 12, 16, 24),
-          // Device Info Card
+          children: [
-          Card(
+            _ConfigHeroCard(
-            child: Padding(
+              title: deviceInfo.selfName ?? deviceInfo.deviceName ?? 'MeshCore',
-              padding: const EdgeInsets.all(16),
+              subtitle:
+                  '${_getDeviceTypeString(context, deviceInfo.deviceType)} • ${deviceInfo.semanticVersion ?? deviceInfo.manufacturerModel ?? AppLocalizations.of(context)!.unknown}',
+              chips: [
+                _StatusChipData(
+                  icon: Icons.bluetooth,
+                  label:
+                      '${AppLocalizations.of(context)!.bleName}: ${deviceInfo.deviceName ?? AppLocalizations.of(context)!.unknown}',
+                ),
+                _StatusChipData(
+                  icon: Icons.my_location,
+                  label: locationSet ? 'Location ready' : 'Location off',
+                  emphasized: locationSet,
+                ),
+                _StatusChipData(
+                  icon: Icons.settings_input_antenna,
+                  label: '${_freqController.text} MHz • $_selectedBandwidth',
+                ),
+                _StatusChipData(
+                  icon: Icons.key,
+                  label: 'FW v${deviceInfo.firmwareVersion?.toString() ?? "?"}',
+                ),
+              ],
+            ),
+            const SizedBox(height: 20),
+            _ConfigSectionCard(
+              title: AppLocalizations.of(context)!.deviceInformation,
+              subtitle:
+                  '${deviceInfo.manufacturerModel ?? AppLocalizations.of(context)!.unknown} • ${deviceInfo.firmwareBuildDate ?? AppLocalizations.of(context)!.unknown}',
+              icon: Icons.memory_rounded,
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
-                  Text(
-                    AppLocalizations.of(context)!.deviceInformation,
-                    style: theme.textTheme.titleLarge?.copyWith(
-                      fontWeight: FontWeight.bold,
-                    ),
-                  ),
-                  const SizedBox(height: 16),
                   _InfoRow(
                     AppLocalizations.of(context)!.bleName,
                     deviceInfo.deviceName ??
@@ -467,42 +492,75 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                 ],
               ),
             ),
-          ),
+            const SizedBox(height: 20),
-
+            _ConfigSectionCard(
-          const SizedBox(height: 24),
+              title: AppLocalizations.of(context)!.publicInfo,
-
+              subtitle: AppLocalizations.of(context)!.nameBroadcastInMesh,
-          // Public Info Section
+              icon: Icons.public_rounded,
-          Card(
+              trailing: FilledButton.icon(
-            child: Padding(
+                onPressed: _savePublicInfo,
-              padding: const EdgeInsets.all(16),
+                icon: const Icon(Icons.save_outlined),
+                label: Text(AppLocalizations.of(context)!.save),
+              ),
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
-                  Row(
+                  Container(
-                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                    padding: const EdgeInsets.all(14),
-                    children: [
+                    decoration: BoxDecoration(
-                      Text(
+                      color: colorScheme.surfaceContainerHighest.withValues(
-                        AppLocalizations.of(context)!.publicInfo,
+                        alpha: 0.45,
-                        style: theme.textTheme.titleLarge?.copyWith(
+                      ),
-                          fontWeight: FontWeight.bold,
+                      borderRadius: BorderRadius.circular(18),
+                    ),
+                    child: Row(
+                      children: [
+                        Icon(
+                          _telemetryEnabled
+                              ? Icons.travel_explore
+                              : Icons.location_disabled,
+                          color: _telemetryEnabled
+                              ? colorScheme.primary
+                              : colorScheme.onSurfaceVariant,
                         ),
-                      ),
+                        const SizedBox(width: 12),
-                      Row(
+                        Expanded(
-                        mainAxisSize: MainAxisSize.min,
+                          child: Column(
-                        children: [
+                            crossAxisAlignment: CrossAxisAlignment.start,
-                          const SizedBox(width: 8),
+                            children: [
-                          IconButton.filled(
+                              Text(
-                            onPressed: _savePublicInfo,
+                                AppLocalizations.of(
-                            icon: const Icon(Icons.save),
+                                  context,
-                            tooltip: AppLocalizations.of(context)!.save,
+                                )!.telemetryAndLocationSharing,
+                                style: theme.textTheme.titleSmall?.copyWith(
+                                  fontWeight: FontWeight.w700,
+                                ),
+                              ),
+                              const SizedBox(height: 2),
+                              Text(
+                                _telemetryEnabled
+                                    ? 'This device advertises position data to the mesh.'
+                                    : 'Position broadcasting is currently disabled.',
+                                style: theme.textTheme.bodySmall?.copyWith(
+                                  color: colorScheme.onSurfaceVariant,
+                                ),
+                              ),
+                            ],
                           ),
-                        ],
+                        ),
-                      ),
+                        const SizedBox(width: 12),
-                    ],
+                        Switch(
+                          value: _telemetryEnabled,
+                          onChanged: (value) {
+                            setState(() {
+                              _telemetryEnabled = value;
+                            });
+                          },
+                        ),
+                      ],
+                    ),
                   ),
-                  const SizedBox(height: 16),
+                  const SizedBox(height: 18),
-
-                  // Mesh Network Name
                   TextField(
                     controller: _nameController,
                     decoration: InputDecoration(
@@ -513,62 +571,21 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                       )!.nameBroadcastInMesh,
                     ),
                   ),
-                  const SizedBox(height: 8),
-
-                  // Telemetry Toggle - Compact version
-                  Row(
-                    children: [
-                      Expanded(
-                        child: Text(
-                          AppLocalizations.of(
-                            context,
-                          )!.telemetryAndLocationSharing,
-                          style: theme.textTheme.bodyMedium,
-                        ),
-                      ),
-                      Switch(
-                        value: _telemetryEnabled,
-                        onChanged: (value) {
-                          setState(() {
-                            _telemetryEnabled = value;
-                          });
-                        },
-                      ),
-                    ],
-                  ),
-
-                  // GPS Coordinates (only show if telemetry enabled)
                   if (_telemetryEnabled) ...[
-                    const SizedBox(height: 12),
+                    const SizedBox(height: 16),
                     Row(
                       children: [
                         Expanded(
-                          child: TextField(
+                          child: _CompactCoordinateField(
                             controller: _latController,
-                            decoration: InputDecoration(
+                            label: AppLocalizations.of(context)!.lat,
-                              labelText: AppLocalizations.of(context)!.lat,
-                              border: const OutlineInputBorder(),
-                              isDense: true,
-                            ),
-                            keyboardType: const TextInputType.numberWithOptions(
-                              decimal: true,
-                              signed: true,
-                            ),
                           ),
                         ),
                         const SizedBox(width: 8),
                         Expanded(
-                          child: TextField(
+                          child: _CompactCoordinateField(
                             controller: _lonController,
-                            decoration: InputDecoration(
+                            label: AppLocalizations.of(context)!.lon,
-                              labelText: AppLocalizations.of(context)!.lon,
-                              border: const OutlineInputBorder(),
-                              isDense: true,
-                            ),
-                            keyboardType: const TextInputType.numberWithOptions(
-                              decimal: true,
-                              signed: true,
-                            ),
                           ),
                         ),
                         const SizedBox(width: 8),
@@ -585,36 +602,45 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                 ],
               ),
             ),
-          ),
+            const SizedBox(height: 20),
-
+            _ConfigSectionCard(
-          const SizedBox(height: 24),
+              title: AppLocalizations.of(context)!.radioSettings,
-
+              subtitle:
-          // Radio Settings Section
+                  '${_freqController.text} MHz • SF$_selectedSpreadingFactor • CR$_selectedCodingRate',
-          Card(
+              icon: Icons.settings_input_antenna_rounded,
-            child: Padding(
+              trailing: FilledButton.icon(
-              padding: const EdgeInsets.all(16),
+                onPressed: _saveRadioSettings,
+                icon: const Icon(Icons.save_outlined),
+                label: Text(AppLocalizations.of(context)!.save),
+              ),
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
                   Row(
-                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                     children: [
-                      Text(
+                      Expanded(
-                        AppLocalizations.of(context)!.radioSettings,
+                        child: _RadioMetricTile(
-                        style: theme.textTheme.titleLarge?.copyWith(
+                          label: AppLocalizations.of(context)!.bandwidth,
-                          fontWeight: FontWeight.bold,
+                          value: _selectedBandwidth,
                         ),
                       ),
-                      IconButton.filled(
+                      const SizedBox(width: 10),
-                        onPressed: _saveRadioSettings,
+                      Expanded(
-                        icon: const Icon(Icons.save),
+                        child: _RadioMetricTile(
-                        tooltip: AppLocalizations.of(context)!.save,
+                          label: AppLocalizations.of(context)!.spreadingFactor,
+                          value: 'SF$_selectedSpreadingFactor',
+                        ),
+                      ),
+                      const SizedBox(width: 10),
+                      Expanded(
+                        child: _RadioMetricTile(
+                          label: AppLocalizations.of(context)!.codingRate,
+                          value: 'CR$_selectedCodingRate',
+                        ),
                       ),
                     ],
                   ),
                   const SizedBox(height: 16),
-
-                  // LoRa Frequency
                   TextField(
                     controller: _freqController,
                     decoration: InputDecoration(
@@ -629,8 +655,6 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                     ),
                   ),
                   const SizedBox(height: 16),
-
-                  // Bandwidth
                   DropdownButtonFormField<String>(
                     initialValue: _selectedBandwidth,
                     decoration: InputDecoration(
@@ -652,8 +676,6 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                     },
                   ),
                   const SizedBox(height: 16),
-
-                  // Spreading Factor
                   DropdownButtonFormField<int>(
                     initialValue: _selectedSpreadingFactor,
                     decoration: InputDecoration(
@@ -677,8 +699,6 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                     },
                   ),
                   const SizedBox(height: 16),
-
-                  // Coding Rate
                   DropdownButtonFormField<int>(
                     initialValue: _selectedCodingRate,
                     decoration: InputDecoration(
@@ -702,8 +722,6 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                     },
                   ),
                   const SizedBox(height: 16),
-
-                  // TX Power
                   TextField(
                     controller: _txPowerController,
                     decoration: InputDecoration(
@@ -715,37 +733,42 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
                     ),
                     keyboardType: TextInputType.number,
                   ),
-
-                  // Repeat Mode (firmware v9+)
                   if (deviceInfo.clientRepeat != null) ...[
-                    const SizedBox(height: 8),
+                    const SizedBox(height: 16),
-                    SwitchListTile(
+                    Container(
-                      contentPadding: EdgeInsets.zero,
+                      padding: const EdgeInsets.all(14),
-                      title: const Text('Client Repeat Mode'),
+                      decoration: BoxDecoration(
-                      subtitle:
+                        color: colorScheme.surfaceContainerHighest.withValues(
-                          deviceInfo.allowedRepeatFreqRanges != null &&
+                          alpha: 0.45,
-                              deviceInfo.allowedRepeatFreqRanges!.isNotEmpty
+                        ),
-                          ? Text(
+                        borderRadius: BorderRadius.circular(18),
-                              'Allowed: ${deviceInfo.allowedRepeatFreqRanges!.map((r) => r.lower == r.upper ? '${(r.lower / 1000).toStringAsFixed(3)} MHz' : '${(r.lower / 1000).toStringAsFixed(3)}–${(r.upper / 1000).toStringAsFixed(3)} MHz').join(', ')}',
+                      ),
-                            )
+                      child: SwitchListTile(
-                          : const Text(
+                        contentPadding: EdgeInsets.zero,
-                              'Repeat packets on behalf of nearby nodes',
+                        title: const Text('Client Repeat Mode'),
-                            ),
+                        subtitle:
-                      value: _repeatEnabled,
+                            deviceInfo.allowedRepeatFreqRanges != null &&
-                      onChanged: (value) {
+                                deviceInfo.allowedRepeatFreqRanges!.isNotEmpty
-                        setState(() {
+                            ? Text(
-                          _repeatEnabled = value;
+                                'Allowed: ${deviceInfo.allowedRepeatFreqRanges!.map((r) => r.lower == r.upper ? '${(r.lower / 1000).toStringAsFixed(3)} MHz' : '${(r.lower / 1000).toStringAsFixed(3)}–${(r.upper / 1000).toStringAsFixed(3)} MHz').join(', ')}',
-                        });
+                              )
-                      },
+                            : const Text(
+                                'Repeat packets on behalf of nearby nodes',
+                              ),
+                        value: _repeatEnabled,
+                        onChanged: (value) {
+                          setState(() {
+                            _repeatEnabled = value;
+                          });
+                        },
+                      ),
                     ),
                   ],
                 ],
               ),
             ),
-          ),
+          ],
-
+        ),
-          const SizedBox(height: 24),
-        ],
       ),
     );
   }
@@ -772,6 +795,276 @@ class _DeviceConfigScreenState extends State<DeviceConfigScreen> {
   }
 }
 
+class _ConfigHeroCard extends StatelessWidget {
+  final String title;
+  final String subtitle;
+  final List<_StatusChipData> chips;
+
+  const _ConfigHeroCard({
+    required this.title,
+    required this.subtitle,
+    required this.chips,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final colorScheme = theme.colorScheme;
+
+    return Container(
+      padding: const EdgeInsets.all(20),
+      decoration: BoxDecoration(
+        gradient: LinearGradient(
+          colors: [
+            colorScheme.primaryContainer,
+            colorScheme.surfaceContainerHighest,
+          ],
+          begin: Alignment.topLeft,
+          end: Alignment.bottomRight,
+        ),
+        borderRadius: BorderRadius.circular(28),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Row(
+            children: [
+              Container(
+                width: 52,
+                height: 52,
+                decoration: BoxDecoration(
+                  color: colorScheme.onPrimaryContainer.withValues(alpha: 0.12),
+                  borderRadius: BorderRadius.circular(18),
+                ),
+                child: Icon(
+                  Icons.tune_rounded,
+                  color: colorScheme.onPrimaryContainer,
+                ),
+              ),
+              const SizedBox(width: 14),
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      title,
+                      style: theme.textTheme.headlineSmall?.copyWith(
+                        fontWeight: FontWeight.w800,
+                        color: colorScheme.onPrimaryContainer,
+                      ),
+                    ),
+                    const SizedBox(height: 4),
+                    Text(
+                      subtitle,
+                      style: theme.textTheme.bodyMedium?.copyWith(
+                        color: colorScheme.onPrimaryContainer.withValues(
+                          alpha: 0.82,
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ],
+          ),
+          const SizedBox(height: 18),
+          Wrap(
+            spacing: 10,
+            runSpacing: 10,
+            children: chips.map(_StatusChip.new).toList(),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _ConfigSectionCard extends StatelessWidget {
+  final String title;
+  final String subtitle;
+  final IconData icon;
+  final Widget child;
+  final Widget? trailing;
+
+  const _ConfigSectionCard({
+    required this.title,
+    required this.subtitle,
+    required this.icon,
+    required this.child,
+    this.trailing,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final colorScheme = theme.colorScheme;
+
+    return Card(
+      clipBehavior: Clip.antiAlias,
+      child: Padding(
+        padding: const EdgeInsets.all(18),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Container(
+                  width: 42,
+                  height: 42,
+                  decoration: BoxDecoration(
+                    color: colorScheme.primary.withValues(alpha: 0.10),
+                    borderRadius: BorderRadius.circular(14),
+                  ),
+                  child: Icon(icon, color: colorScheme.primary),
+                ),
+                const SizedBox(width: 12),
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        title,
+                        style: theme.textTheme.titleLarge?.copyWith(
+                          fontWeight: FontWeight.w800,
+                        ),
+                      ),
+                      const SizedBox(height: 3),
+                      Text(
+                        subtitle,
+                        style: theme.textTheme.bodySmall?.copyWith(
+                          color: colorScheme.onSurfaceVariant,
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+                if (trailing != null) ...[const SizedBox(width: 12), trailing!],
+              ],
+            ),
+            const SizedBox(height: 18),
+            child,
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _StatusChipData {
+  final IconData icon;
+  final String label;
+  final bool emphasized;
+
+  const _StatusChipData({
+    required this.icon,
+    required this.label,
+    this.emphasized = false,
+  });
+}
+
+class _StatusChip extends StatelessWidget {
+  final _StatusChipData data;
+
+  const _StatusChip(this.data);
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final colorScheme = theme.colorScheme;
+    final chipColor = data.emphasized
+        ? colorScheme.primary.withValues(alpha: 0.14)
+        : colorScheme.onPrimaryContainer.withValues(alpha: 0.10);
+
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
+      decoration: BoxDecoration(
+        color: chipColor,
+        borderRadius: BorderRadius.circular(999),
+      ),
+      child: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Icon(data.icon, size: 16, color: colorScheme.onPrimaryContainer),
+          const SizedBox(width: 8),
+          Text(
+            data.label,
+            style: theme.textTheme.labelLarge?.copyWith(
+              color: colorScheme.onPrimaryContainer,
+              fontWeight: FontWeight.w700,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _CompactCoordinateField extends StatelessWidget {
+  final TextEditingController controller;
+  final String label;
+
+  const _CompactCoordinateField({
+    required this.controller,
+    required this.label,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return TextField(
+      controller: controller,
+      decoration: InputDecoration(
+        labelText: label,
+        border: const OutlineInputBorder(),
+        isDense: true,
+      ),
+      keyboardType: const TextInputType.numberWithOptions(
+        decimal: true,
+        signed: true,
+      ),
+    );
+  }
+}
+
+class _RadioMetricTile extends StatelessWidget {
+  final String label;
+  final String value;
+
+  const _RadioMetricTile({required this.label, required this.value});
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final colorScheme = theme.colorScheme;
+
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 14),
+      decoration: BoxDecoration(
+        color: colorScheme.surfaceContainerHighest.withValues(alpha: 0.45),
+        borderRadius: BorderRadius.circular(18),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            label,
+            style: theme.textTheme.labelMedium?.copyWith(
+              color: colorScheme.onSurfaceVariant,
+            ),
+          ),
+          const SizedBox(height: 6),
+          Text(
+            value,
+            style: theme.textTheme.titleMedium?.copyWith(
+              fontWeight: FontWeight.w800,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
 class _InfoRow extends StatelessWidget {
   final String label;
   final String value;

lib/screens/home_screen.dart

@@ -14,7 +14,7 @@ import 'messages_tab.dart';
 import 'contacts_tab.dart';
 import 'sensors_tab.dart';
 import 'map_tab.dart';
-import 'map_management_screen.dart';
+import 'repeaters_map_screen.dart';
 import 'settings_screen.dart';
 import 'device_config_screen.dart';
 import 'packet_log_screen.dart';
@@ -24,9 +24,13 @@ import '../l10n/app_localizations.dart';
 import '../widgets/permission_request_dialog.dart';
 import '../widgets/connection_dialog.dart';
 import '../utils/battery_display_helper.dart';
+import '../services/developer_mode_service.dart';
+import '../services/mesh_map_nodes_service.dart';
 
 enum _HomeTab { messages, contacts, sensors, map }
 
+enum _AdvertMode { flood, direct }
+
 class HomeScreen extends StatefulWidget {
   final Function(AppThemeMode) onThemeChanged;
   final Function(Locale?) onLocaleChanged;
@@ -47,15 +51,18 @@ class HomeScreen extends StatefulWidget {
   State<HomeScreen> createState() => _HomeScreenState();
 }
 
-class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
+class _HomeScreenState extends State<HomeScreen>
+    with TickerProviderStateMixin, WidgetsBindingObserver {
   late TabController _tabController;
   late final AppProvider _appProvider;
   int _currentIndex = 0;
   bool _isMapFullscreen = false;
   bool _showRxTxIndicators = true;
+  bool _isDeveloperModeEnabled = false;
   bool _isMapEnabled = true;
   bool _isContactsEnabled = true;
   bool _isSensorsEnabled = false;
+  AppLifecycleState _lifecycleState = AppLifecycleState.resumed;
 
   List<_HomeTab> get _enabledTabs {
     return [
@@ -77,6 +84,7 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
   @override
   void initState() {
     super.initState();
+    WidgetsBinding.instance.addObserver(this);
     _appProvider = context.read<AppProvider>();
     _isMapEnabled = _appProvider.isMapEnabled;
     _isContactsEnabled = _appProvider.isContactsEnabled;
@@ -86,6 +94,8 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
     // Initialize synchronously so first build always has a valid controller.
     _initTabController();
     _loadRxTxPreference();
+    _loadDeveloperModePreference();
+    MeshMapNodesService.syncInBackgroundIfStale();
 
     // Show permission dialog after the first frame if needed
     if (widget.shouldShowPermissionDialog) {
@@ -182,12 +192,12 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
   }
 
   void _handleTabActivated(_HomeTab tab) {
+    _syncFastLocationUiState();
     WidgetsBinding.instance.addPostFrameCallback((_) {
       if (!mounted) return;
 
       switch (tab) {
         case _HomeTab.messages:
-          context.read<MessagesProvider>().markAllAsRead();
           break;
         case _HomeTab.contacts:
           context.read<ContactsProvider>().markAllAsViewed();
@@ -200,6 +210,23 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
     });
   }
 
+  void _syncFastLocationUiState() {
+    final isActiveTab =
+        _currentTab == _HomeTab.map || _currentTab == _HomeTab.messages;
+    _appProvider.setFastLocationUiActive(
+      _lifecycleState == AppLifecycleState.resumed && isActiveTab,
+    );
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    _lifecycleState = state;
+    _syncFastLocationUiState();
+    if (state == AppLifecycleState.resumed) {
+      MeshMapNodesService.syncInBackgroundIfStale();
+    }
+  }
+
   Future<void> _loadRxTxPreference() async {
     final prefs = await SharedPreferences.getInstance();
     if (mounted) {
@@ -209,8 +236,18 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
     }
   }
 
+  Future<void> _loadDeveloperModePreference() async {
+    final isEnabled = await DeveloperModeService.isEnabled();
+    if (!mounted) return;
+    setState(() {
+      _isDeveloperModeEnabled = isEnabled;
+    });
+  }
+
   @override
   void dispose() {
+    WidgetsBinding.instance.removeObserver(this);
+    _appProvider.setFastLocationUiActive(false);
     _appProvider.removeListener(_handleAppProviderChanged);
     _tabController.removeListener(_onTabChanged);
     _tabController.dispose();
@@ -245,7 +282,191 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
     );
   }
 
-  Future<void> _advertiseDevice(BuildContext context) async {
+  Future<void> _triggerAdvertFeedback() async {
+    final platform = Theme.of(context).platform;
+
+    try {
+      if (platform == TargetPlatform.iOS) {
+        await HapticFeedback.lightImpact();
+        await Future.delayed(const Duration(milliseconds: 50));
+        await HapticFeedback.lightImpact();
+      } else {
+        if (await Vibration.hasVibrator()) {
+          await Vibration.vibrate(duration: 50);
+        } else {
+          await HapticFeedback.mediumImpact();
+        }
+      }
+    } catch (e) {
+      debugPrint('Haptic feedback error: $e');
+      await HapticFeedback.vibrate();
+    }
+  }
+
+  Future<_AdvertMode?> _showAdvertModeSheet(BuildContext context) {
+    final l10n = AppLocalizations.of(context)!;
+    final theme = Theme.of(context);
+
+    return showModalBottomSheet<_AdvertMode>(
+      context: context,
+      showDragHandle: true,
+      builder: (context) => SafeArea(
+        child: Padding(
+          padding: const EdgeInsets.fromLTRB(20, 8, 20, 20),
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Text(
+                'Advert mode',
+                style: theme.textTheme.titleLarge?.copyWith(
+                  fontWeight: FontWeight.w700,
+                ),
+              ),
+              const SizedBox(height: 6),
+              Text(
+                'Choose how far this announcement should travel.',
+                style: theme.textTheme.bodyMedium?.copyWith(
+                  color: theme.colorScheme.onSurfaceVariant,
+                ),
+              ),
+              const SizedBox(height: 16),
+              ListTile(
+                contentPadding: const EdgeInsets.symmetric(
+                  horizontal: 4,
+                  vertical: 4,
+                ),
+                leading: Container(
+                  width: 40,
+                  height: 40,
+                  decoration: BoxDecoration(
+                    color: theme.colorScheme.primaryContainer,
+                    borderRadius: BorderRadius.circular(14),
+                  ),
+                  child: Icon(
+                    Icons.hub_rounded,
+                    color: theme.colorScheme.onPrimaryContainer,
+                  ),
+                ),
+                title: Text(l10n.flood),
+                subtitle: const Text('Relay through repeaters across the mesh'),
+                trailing: const Icon(Icons.chevron_right_rounded),
+                shape: RoundedRectangleBorder(
+                  borderRadius: BorderRadius.circular(20),
+                ),
+                onTap: () => Navigator.of(context).pop(_AdvertMode.flood),
+              ),
+              const SizedBox(height: 8),
+              ListTile(
+                contentPadding: const EdgeInsets.symmetric(
+                  horizontal: 4,
+                  vertical: 4,
+                ),
+                leading: Container(
+                  width: 40,
+                  height: 40,
+                  decoration: BoxDecoration(
+                    color: theme.colorScheme.secondaryContainer,
+                    borderRadius: BorderRadius.circular(14),
+                  ),
+                  child: Icon(
+                    Icons.near_me_rounded,
+                    color: theme.colorScheme.onSecondaryContainer,
+                  ),
+                ),
+                title: Text(l10n.direct),
+                subtitle: const Text('Nearby only, without repeater flooding'),
+                trailing: const Icon(Icons.chevron_right_rounded),
+                shape: RoundedRectangleBorder(
+                  borderRadius: BorderRadius.circular(20),
+                ),
+                onTap: () => Navigator.of(context).pop(_AdvertMode.direct),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildActivityBadge({
+    required String label,
+    required int count,
+    required bool isActive,
+    required Color activeColor,
+    bool compact = false,
+  }) {
+    final color = isActive ? activeColor : Colors.grey;
+    return Container(
+      padding: EdgeInsets.symmetric(
+        horizontal: compact ? 7 : 8,
+        vertical: compact ? 4 : 5,
+      ),
+      decoration: BoxDecoration(
+        color: color.withValues(alpha: 0.12),
+        borderRadius: BorderRadius.circular(999),
+      ),
+      child: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Container(
+            width: compact ? 6 : 7,
+            height: compact ? 6 : 7,
+            decoration: BoxDecoration(shape: BoxShape.circle, color: color),
+          ),
+          SizedBox(width: compact ? 5 : 6),
+          Text(
+            '$label:$count',
+            style: TextStyle(
+              fontSize: compact ? 10 : 11,
+              fontWeight: FontWeight.w600,
+              color: color,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildCompactActivityIndicator({
+    required bool rxActive,
+    required bool txActive,
+  }) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
+      decoration: BoxDecoration(
+        color: Colors.black.withValues(alpha: 0.06),
+        borderRadius: BorderRadius.circular(999),
+      ),
+      child: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Container(
+            width: 7,
+            height: 7,
+            decoration: BoxDecoration(
+              shape: BoxShape.circle,
+              color: rxActive ? Colors.green : Colors.grey,
+            ),
+          ),
+          const SizedBox(width: 6),
+          Container(
+            width: 7,
+            height: 7,
+            decoration: BoxDecoration(
+              shape: BoxShape.circle,
+              color: txActive ? Colors.blue : Colors.grey,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Future<void> _advertiseDevice(
+    BuildContext context, {
+    bool floodMode = true,
+  }) async {
     final connectionProvider = context.read<ConnectionProvider>();
 
     if (!connectionProvider.deviceInfo.isConnected) {
@@ -325,8 +546,14 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
       // Small delay to ensure the lat/lon is set
       await Future.delayed(const Duration(milliseconds: 100));
 
-      // Send flood advertisement
+      await connectionProvider.sendSelfAdvert(floodMode: floodMode);
-      await connectionProvider.sendSelfAdvert(floodMode: true);
+
+      if (context.mounted) {
+        ToastLogger.success(
+          context,
+          floodMode ? 'Flood advert sent' : 'Direct advert sent',
+        );
+      }
     } catch (e) {
       debugPrint('❌ Failed to advertise device: $e');
       if (context.mounted) {
@@ -367,6 +594,8 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
       appBar: shouldHideUI
           ? null
           : AppBar(
+              toolbarHeight: 64,
+              titleSpacing: 8,
               title: _buildCompactStatusBar(),
               actions: [
                 Consumer<ConnectionProvider>(
@@ -389,80 +618,92 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
                 ),
                 PopupMenuButton(
                   icon: const Icon(Icons.more_vert),
-                  itemBuilder: (context) => [
+                  itemBuilder: (context) {
-                    PopupMenuItem(
+                    final items = <PopupMenuEntry<void>>[];
-                      child: Row(
+
-                        children: [
+                    if (_isDeveloperModeEnabled) {
-                          const Icon(Icons.map),
+                      items.add(
-                          const SizedBox(width: 8),
+                        PopupMenuItem(
-                          Text(AppLocalizations.of(context)!.mapManagement),
+                          child: Row(
-                        ],
+                            children: [
-                      ),
+                              const Icon(Icons.radar),
-                      onTap: () {
+                              const SizedBox(width: 8),
-                        // Capture context-dependent objects before async gap
+                              const Text('Spectrum Scan'),
-                        final navigator = Navigator.of(context);
+                            ],
-                        final appProvider = context.read<AppProvider>();
+                          ),
-                        Future.delayed(Duration.zero, () {
+                          onTap: () {
-                          if (!mounted) return;
+                            final navigator = Navigator.of(context);
-                          navigator.push(
+                            Future.delayed(Duration.zero, () {
-                            MaterialPageRoute(
+                              if (!mounted) return;
-                              builder: (context) => MapManagementScreen(
+                              navigator.push(
-                                tileCacheService: appProvider.tileCacheService,
+                                MaterialPageRoute(
+                                  builder: (context) =>
+                                      const SpectrumScanScreen(),
+                                ),
+                              );
+                            });
+                          },
+                        ),
+                      );
+                    }
+
+                    items.add(
+                      PopupMenuItem(
+                        child: const Row(
+                          children: [
+                            Icon(Icons.router_outlined),
+                            SizedBox(width: 8),
+                            Text('Repeaters Map'),
+                          ],
+                        ),
+                        onTap: () {
+                          final navigator = Navigator.of(context);
+                          Future.delayed(Duration.zero, () {
+                            if (!mounted) return;
+                            navigator.push(
+                              MaterialPageRoute(
+                                builder: (context) =>
+                                    const RepeatersMapScreen(),
+                                fullscreenDialog: true,
                               ),
-                            ),
+                            );
-                          );
+                          });
-                        });
+                        },
-                      },
-                    ),
-                    PopupMenuItem(
-                      child: Row(
-                        children: [
-                          const Icon(Icons.radar),
-                          const SizedBox(width: 8),
-                          const Text('Spectrum Scan'),
-                        ],
                       ),
-                      onTap: () {
+                    );
-                        final navigator = Navigator.of(context);
+
-                        Future.delayed(Duration.zero, () {
+                    items.add(
-                          if (!mounted) return;
+                      PopupMenuItem(
-                          navigator.push(
+                        child: Row(
-                            MaterialPageRoute(
+                          children: [
-                              builder: (context) => const SpectrumScanScreen(),
+                            const Icon(Icons.settings),
-                            ),
+                            const SizedBox(width: 8),
-                          );
+                            Text(AppLocalizations.of(context)!.settings),
-                        });
+                          ],
-                      },
+                        ),
-                    ),
+                        onTap: () {
-                    PopupMenuItem(
+                          final navigator = Navigator.of(context);
-                      child: Row(
+                          Future.delayed(Duration.zero, () async {
-                        children: [
+                            if (!mounted) return;
-                          const Icon(Icons.settings),
+                            await navigator.push(
-                          const SizedBox(width: 8),
+                              MaterialPageRoute(
-                          Text(AppLocalizations.of(context)!.settings),
+                                builder: (context) => SettingsScreen(
-                        ],
+                                  onThemeChanged: widget.onThemeChanged,
-                      ),
+                                  onLocaleChanged: widget.onLocaleChanged,
-                      onTap: () {
+                                  currentTheme: widget.currentTheme,
-                        // Capture context-dependent objects before async gap
+                                  currentLocale: widget.currentLocale,
-                        final navigator = Navigator.of(context);
+                                ),
-                        Future.delayed(Duration.zero, () async {
-                          if (!mounted) return;
-                          await navigator.push(
-                            MaterialPageRoute(
-                              builder: (context) => SettingsScreen(
-                                onThemeChanged: widget.onThemeChanged,
-                                onLocaleChanged: widget.onLocaleChanged,
-                                currentTheme: widget.currentTheme,
-                                currentLocale: widget.currentLocale,
                               ),
-                            ),
+                            );
-                          );
+                            _loadRxTxPreference();
-                          // Reload preference when returning from settings
+                            _loadDeveloperModePreference();
-                          _loadRxTxPreference();
+                          });
-                        });
+                        },
-                      },
+                      ),
-                    ),
+                    );
-                  ],
+
+                    return items;
+                  },
                 ),
               ],
             ),
@@ -481,6 +722,7 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
                 onNavigateToMap: _isMapEnabled
                     ? () => _navigateToTab(_HomeTab.map)
                     : null,
+                onNavigateToMessages: () => _navigateToTab(_HomeTab.messages),
               );
             case _HomeTab.sensors:
               return const SensorsTab();
@@ -530,7 +772,7 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
                               Icons.message,
                               unreadCount,
                             ),
-                            text: AppLocalizations.of(context)!.messages,
+                            text: 'Chat',
                           );
                         case _HomeTab.contacts:
                           return Tab(
@@ -565,7 +807,6 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
         final deviceInfo = provider.deviceInfo;
         final isConnected = deviceInfo.isConnected;
         final isTcpConnected = provider.connectionMode == ConnectionMode.tcp;
-        final isBleConnected = isConnected && !isTcpConnected;
 
         if (!isConnected) {
           // Disconnected state: show connect button
@@ -627,241 +868,248 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
           );
         }
 
-        // Connected state: LEFT | CENTER | RIGHT layout
+        final theme = Theme.of(context);
-        return Row(
+        final subtitleColor = theme.colorScheme.onSurfaceVariant;
-          children: [
+        final signalColor = isTcpConnected
-            // LEFT: Name + BT/Battery + Cog
+            ? Colors.green
-            Expanded(
+            : (deviceInfo.signalRssi != null
-              child: Row(
+                  ? BatteryDisplayHelper.getSignalColor(deviceInfo.signalRssi!)
-                mainAxisSize: MainAxisSize.min,
+                  : Colors.grey);
-                children: [
+
-                  Flexible(
+        return LayoutBuilder(
-                    child: Column(
+          builder: (context, constraints) {
-                      crossAxisAlignment: CrossAxisAlignment.start,
+            final isTight = constraints.maxWidth < 360;
+
+            return Row(
+              children: [
+                Flexible(
+                  fit: FlexFit.loose,
+                  child: Container(
+                    padding: const EdgeInsets.symmetric(
+                      horizontal: 8,
+                      vertical: 4,
+                    ),
+                    decoration: BoxDecoration(
+                      color: theme.colorScheme.surfaceContainerHighest
+                          .withValues(alpha: 0.55),
+                      borderRadius: BorderRadius.circular(22),
+                    ),
+                    child: Row(
                       mainAxisSize: MainAxisSize.min,
                       children: [
-                        Text(
+                        Flexible(
-                          deviceInfo.selfName ??
+                          fit: FlexFit.loose,
-                              AppLocalizations.of(context)!.appTitle,
+                          child: Column(
-                          style: const TextStyle(
+                            mainAxisSize: MainAxisSize.min,
-                            fontSize: 18,
+                            crossAxisAlignment: CrossAxisAlignment.start,
-                            fontWeight: FontWeight.bold,
+                            children: [
+                              Text(
+                                deviceInfo.selfName ??
+                                    AppLocalizations.of(context)!.appTitle,
+                                style:
+                                    (isTight
+                                            ? theme.textTheme.titleSmall
+                                            : theme.textTheme.titleMedium)
+                                        ?.copyWith(fontWeight: FontWeight.w700),
+                                overflow: TextOverflow.ellipsis,
+                              ),
+                              const SizedBox(height: 2),
+                              Row(
+                                mainAxisSize: MainAxisSize.min,
+                                children: [
+                                  Icon(
+                                    isTcpConnected
+                                        ? Icons.wifi_rounded
+                                        : Icons.bluetooth_connected_rounded,
+                                    size: 13,
+                                    color: signalColor,
+                                  ),
+                                  if (!isTcpConnected &&
+                                      deviceInfo.signalRssi != null) ...[
+                                    const SizedBox(width: 4),
+                                    SizedBox(
+                                      width: 28,
+                                      child: Text(
+                                        '${deviceInfo.signalRssi}',
+                                        style: TextStyle(
+                                          fontSize: 10,
+                                          fontWeight: FontWeight.w600,
+                                          color: signalColor,
+                                        ),
+                                        maxLines: 1,
+                                      ),
+                                    ),
+                                  ],
+                                  if (deviceInfo.batteryPercent != null) ...[
+                                    const SizedBox(width: 8),
+                                    Icon(
+                                      BatteryDisplayHelper.getBatteryIcon(
+                                        deviceInfo.batteryPercent!,
+                                      ),
+                                      size: 13,
+                                      color:
+                                          BatteryDisplayHelper.getBatteryColor(
+                                            deviceInfo.batteryPercent!,
+                                          ),
+                                    ),
+                                    const SizedBox(width: 4),
+                                    SizedBox(
+                                      width: 30,
+                                      child: Text(
+                                        '${deviceInfo.batteryPercent!.round()}%',
+                                        overflow: TextOverflow.ellipsis,
+                                        style: TextStyle(
+                                          fontSize: 10,
+                                          fontWeight: FontWeight.w600,
+                                          color:
+                                              BatteryDisplayHelper.getBatteryColor(
+                                                deviceInfo.batteryPercent!,
+                                              ),
+                                        ),
+                                      ),
+                                    ),
+                                  ],
+                                ],
+                              ),
+                            ],
                           ),
-                          overflow: TextOverflow.ellipsis,
                         ),
-                        Row(
+                        const SizedBox(width: 4),
-                          mainAxisSize: MainAxisSize.min,
+                        IconButton(
-                          children: [
+                          onPressed: () {
-                            Icon(
+                            Navigator.push(
-                              isTcpConnected
+                              context,
-                                  ? Icons.wifi
+                              MaterialPageRoute(
-                                  : Icons.bluetooth_connected,
+                                builder: (context) =>
-                              color: isTcpConnected
+                                    const DeviceConfigScreen(),
-                                  ? Colors.green
+                              ),
-                                  : (deviceInfo.signalRssi != null
+                            );
-                                        ? BatteryDisplayHelper.getSignalColor(
+                          },
-                                            deviceInfo.signalRssi!,
+                          onLongPress: () {
-                                          )
+                            Navigator.push(
-                                        : Colors.grey),
+                              context,
-                              size: 13,
+                              MaterialPageRoute(
+                                builder: (context) => PacketLogScreen(
+                                  bleService: provider.bleService,
+                                ),
+                              ),
+                            );
+                          },
+                          tooltip: AppLocalizations.of(context)!.settings,
+                          icon: const Icon(Icons.tune_rounded),
+                          color: subtitleColor,
+                          style: IconButton.styleFrom(
+                            backgroundColor: theme.colorScheme.surface,
+                            foregroundColor: subtitleColor,
+                            minimumSize: Size.square(isTight ? 38 : 40),
+                            padding: EdgeInsets.zero,
+                          ),
+                        ),
+                        const SizedBox(width: 4),
+                        GestureDetector(
+                          onTap: () async {
+                            await _triggerAdvertFeedback();
+                            if (!mounted || !context.mounted) return;
+                            await _advertiseDevice(context);
+                          },
+                          onLongPress: () async {
+                            await _triggerAdvertFeedback();
+                            if (!mounted || !context.mounted) return;
+
+                            final mode = await _showAdvertModeSheet(context);
+                            if (!mounted || !context.mounted || mode == null) {
+                              return;
+                            }
+
+                            await _advertiseDevice(
+                              context,
+                              floodMode: mode == _AdvertMode.flood,
+                            );
+                          },
+                          child: Container(
+                            width: isTight ? 38 : 40,
+                            height: isTight ? 38 : 40,
+                            decoration: BoxDecoration(
+                              gradient: LinearGradient(
+                                colors: [
+                                  theme.colorScheme.primary,
+                                  theme.colorScheme.primary.withValues(
+                                    alpha: 0.78,
+                                  ),
+                                ],
+                                begin: Alignment.topLeft,
+                                end: Alignment.bottomRight,
+                              ),
+                              borderRadius: BorderRadius.circular(12),
                             ),
-                            if (isBleConnected &&
+                            child: Icon(
-                                deviceInfo.signalRssi != null) ...[
+                              Icons.campaign_rounded,
-                              const SizedBox(width: 3),
+                              color: Colors.white,
-                              Text(
+                              size: isTight ? 18 : 20,
-                                '${deviceInfo.signalRssi}',
+                            ),
-                                style: TextStyle(
+                          ),
-                                  fontSize: 11,
-                                  color: BatteryDisplayHelper.getSignalColor(
-                                    deviceInfo.signalRssi!,
-                                  ),
-                                ),
-                              ),
-                            ],
-                            if (isTcpConnected) ...[
-                              const SizedBox(width: 3),
-                              Text(
-                                'WiFi',
-                                style: const TextStyle(
-                                  fontSize: 11,
-                                  color: Colors.green,
-                                ),
-                              ),
-                            ],
-                            if (deviceInfo.batteryPercent != null) ...[
-                              const SizedBox(width: 8),
-                              Icon(
-                                BatteryDisplayHelper.getBatteryIcon(
-                                  deviceInfo.batteryPercent!,
-                                ),
-                                color: BatteryDisplayHelper.getBatteryColor(
-                                  deviceInfo.batteryPercent!,
-                                ),
-                                size: 13,
-                              ),
-                              const SizedBox(width: 3),
-                              Text(
-                                '${deviceInfo.batteryPercent!.round()}%',
-                                style: TextStyle(
-                                  fontSize: 11,
-                                  color: BatteryDisplayHelper.getBatteryColor(
-                                    deviceInfo.batteryPercent!,
-                                  ),
-                                ),
-                              ),
-                            ],
-                          ],
                         ),
                       ],
                     ),
                   ),
-                  // Settings cog - hidden in simple mode
+                ),
-                  if (!context.watch<AppProvider>().isSimpleMode) ...[
+                SizedBox(width: isTight ? 8 : 12),
-                    const SizedBox(width: 8),
+                if (_showRxTxIndicators)
-                    GestureDetector(
+                  GestureDetector(
-                      onTap: () {
+                    onLongPress: () {
-                        Navigator.push(
+                      Navigator.push(
-                          context,
+                        context,
-                          MaterialPageRoute(
+                        MaterialPageRoute(
-                            builder: (context) => const DeviceConfigScreen(),
+                          builder: (context) =>
-                          ),
+                              PacketLogScreen(bleService: provider.bleService),
-                        );
+                        ),
-                      },
+                      );
-                      onLongPress: () {
+                    },
-                        Navigator.push(
+                    child: isTight
-                          context,
+                        ? _buildCompactActivityIndicator(
-                          MaterialPageRoute(
+                            rxActive: provider.rxActivity,
-                            builder: (context) => PacketLogScreen(
+                            txActive: provider.txActivity,
-                              bleService: provider.bleService,
+                          )
+                        : Container(
+                            constraints: const BoxConstraints(minHeight: 48),
+                            padding: const EdgeInsets.symmetric(
+                              horizontal: 8,
+                              vertical: 4,
+                            ),
+                            decoration: BoxDecoration(
+                              color: theme.colorScheme.surfaceContainerHigh
+                                  .withValues(alpha: 0.85),
+                              borderRadius: BorderRadius.circular(22),
+                            ),
+                            child: Column(
+                              mainAxisSize: MainAxisSize.min,
+                              mainAxisAlignment: MainAxisAlignment.center,
+                              crossAxisAlignment: CrossAxisAlignment.end,
+                              children: [
+                                _buildActivityBadge(
+                                  label: 'RX',
+                                  count: provider.rxPacketCount,
+                                  isActive: provider.rxActivity,
+                                  activeColor: Colors.green,
+                                  compact: true,
+                                ),
+                                const SizedBox(height: 4),
+                                _buildActivityBadge(
+                                  label: 'TX',
+                                  count: provider.txPacketCount,
+                                  isActive: provider.txActivity,
+                                  activeColor: Colors.blue,
+                                  compact: true,
+                                ),
+                              ],
                             ),
                           ),
-                        );
+                  )
-                      },
+                else
-                      child: Container(
+                  SizedBox(width: isTight ? 24 : 74),
-                        width: 32,
+              ],
-                        height: 32,
+            );
-                        alignment: Alignment.center,
+          },
-                        child: const Icon(Icons.settings, size: 18),
-                      ),
-                    ),
-                  ],
-                ],
-              ),
-            ),
-
-            // CENTER: Broadcast button
-            const SizedBox(width: 8),
-            FilledButton(
-              onPressed: () async {
-                // Capture platform before async operations
-                final platform = Theme.of(context).platform;
-                // iOS: Use haptic feedback (always works)
-                // Android: Try vibration package for better control
-                try {
-                  if (platform == TargetPlatform.iOS) {
-                    // iOS: Try multiple haptic types for reliability
-                    await HapticFeedback.lightImpact();
-                    await Future.delayed(const Duration(milliseconds: 50));
-                    await HapticFeedback.lightImpact();
-                  } else {
-                    // Android vibration
-                    if (await Vibration.hasVibrator()) {
-                      await Vibration.vibrate(duration: 50);
-                    } else {
-                      await HapticFeedback.mediumImpact();
-                    }
-                  }
-                } catch (e) {
-                  // Fallback if anything fails
-                  debugPrint('Haptic feedback error: $e');
-                  await HapticFeedback.vibrate();
-                }
-                if (!mounted) return;
-                if (!context.mounted) return;
-                _advertiseDevice(context);
-              },
-              style: FilledButton.styleFrom(
-                backgroundColor: Colors.blue.shade700,
-                foregroundColor: Colors.white,
-                padding: const EdgeInsets.all(10),
-                minimumSize: const Size(40, 40),
-                shape: const CircleBorder(),
-              ),
-              child: const Icon(Icons.campaign, size: 20),
-            ),
-            const SizedBox(width: 8),
-
-            // RIGHT: RX/TX indicators
-            if (_showRxTxIndicators)
-              GestureDetector(
-                onLongPress: () {
-                  Navigator.push(
-                    context,
-                    MaterialPageRoute(
-                      builder: (context) =>
-                          PacketLogScreen(bleService: provider.bleService),
-                    ),
-                  );
-                },
-                child: Column(
-                  mainAxisSize: MainAxisSize.min,
-                  crossAxisAlignment: CrossAxisAlignment.end,
-                  children: [
-                    Row(
-                      mainAxisSize: MainAxisSize.min,
-                      children: [
-                        Container(
-                          width: 7,
-                          height: 7,
-                          decoration: BoxDecoration(
-                            shape: BoxShape.circle,
-                            color: provider.rxActivity
-                                ? Colors.green
-                                : Colors.grey.withValues(alpha: 0.3),
-                          ),
-                        ),
-                        const SizedBox(width: 3),
-                        Text(
-                          'RX:${provider.rxPacketCount}',
-                          style: const TextStyle(
-                            fontSize: 10,
-                            color: Colors.grey,
-                          ),
-                        ),
-                      ],
-                    ),
-                    const SizedBox(height: 3),
-                    Row(
-                      mainAxisSize: MainAxisSize.min,
-                      children: [
-                        Container(
-                          width: 7,
-                          height: 7,
-                          decoration: BoxDecoration(
-                            shape: BoxShape.circle,
-                            color: provider.txActivity
-                                ? Colors.blue
-                                : Colors.grey.withValues(alpha: 0.3),
-                          ),
-                        ),
-                        const SizedBox(width: 3),
-                        Text(
-                          'TX:${provider.txPacketCount}',
-                          style: const TextStyle(
-                            fontSize: 10,
-                            color: Colors.grey,
-                          ),
-                        ),
-                      ],
-                    ),
-                  ],
-                ),
-              )
-            else
-              const SizedBox(
-                width: 52,
-              ), // Placeholder to maintain layout balance
-          ],
         );
       },
     );

lib/screens/messages_tab.dart

@@ -89,9 +89,7 @@ class _MessagesTabState extends State<MessagesTab> {
     // Load saved message destination
     _loadSavedDestination();
     _loadVoiceBitrate();
-    // Mark all messages as read when tab is opened
     WidgetsBinding.instance.addPostFrameCallback((_) {
-      context.read<MessagesProvider>().markAllAsRead();
       _checkForNavigationRequest();
     });
   }
@@ -128,11 +126,20 @@ class _MessagesTabState extends State<MessagesTab> {
   void _checkForNavigationRequest() {
     final messagesProvider = context.read<MessagesProvider>();
     final targetMessageId = messagesProvider.targetMessageId;
+    final targetDestinationType = messagesProvider.targetDestinationType;
 
     if (targetMessageId != null) {
       _scrollToMessage(targetMessageId);
       messagesProvider.clearMessageNavigation();
     }
+
+    if (targetDestinationType != null) {
+      _applyPendingDestination(
+        type: targetDestinationType,
+        recipientPublicKeyHex: messagesProvider.targetRecipientPublicKeyHex,
+      );
+      messagesProvider.clearDestinationNavigation();
+    }
   }
 
   void _scrollToMessage(String messageId) {
@@ -258,6 +265,7 @@ class _MessagesTabState extends State<MessagesTab> {
   /// Show recipient selector bottom sheet
   void _showRecipientSelector() {
     final contactsProvider = context.read<ContactsProvider>();
+    final messagesProvider = context.read<MessagesProvider>();
 
     // Filter contacts by type
     final contacts = contactsProvider.contacts
@@ -278,6 +286,13 @@ class _MessagesTabState extends State<MessagesTab> {
         contacts: contacts,
         rooms: rooms,
         channels: channels,
+        unreadCount: messagesProvider.unreadCount,
+        unreadCountsByPublicKey: {
+          for (final contact in [...contacts, ...rooms, ...channels])
+            contact.publicKeyHex: messagesProvider.getUnreadCountForDestination(
+              contact,
+            ),
+        },
         currentDestinationType: _destinationType,
         currentRecipientPublicKey: _selectedRecipient?.publicKeyHex,
         onSelect: _onRecipientSelected,
@@ -292,6 +307,8 @@ class _MessagesTabState extends State<MessagesTab> {
       _selectedRecipient = recipient;
     });
 
+    _markCurrentDestinationAsRead();
+
     _enforceMessageByteLimit();
 
     // Save to preferences
@@ -304,9 +321,107 @@ class _MessagesTabState extends State<MessagesTab> {
     if (!mounted) return;
   }
 
+  Future<void> _applyPendingDestination({
+    required String type,
+    String? recipientPublicKeyHex,
+  }) async {
+    Contact? recipient;
+    if (recipientPublicKeyHex != null) {
+      final contactsProvider = context.read<ContactsProvider>();
+      recipient = contactsProvider.contacts.where((contact) {
+        return contact.publicKeyHex == recipientPublicKeyHex;
+      }).firstOrNull;
+    }
+
+    await _onRecipientSelected(type, recipient);
+    if (!mounted) return;
+    _focusNode.requestFocus();
+  }
+
+  void _insertReplyMention(String displayName) {
+    final trimmedName = displayName.trim();
+    if (trimmedName.isEmpty) return;
+
+    final mention = '@[$trimmedName] ';
+    final value = _textController.value;
+    final selection = value.selection;
+    final hasSelection =
+        selection.isValid &&
+        selection.start >= 0 &&
+        selection.end >= selection.start;
+
+    final start = hasSelection ? selection.start : value.text.length;
+    final end = hasSelection ? selection.end : value.text.length;
+    final nextText = value.text.replaceRange(start, end, mention);
+    final nextOffset = start + mention.length;
+
+    _textController.value = value.copyWith(
+      text: nextText,
+      selection: TextSelection.collapsed(offset: nextOffset),
+      composing: TextRange.empty,
+    );
+    _enforceMessageByteLimit();
+  }
+
+  Future<void> _replyToMessage(Message message) async {
+    final l10n = AppLocalizations.of(context)!;
+    final contactsProvider = context.read<ContactsProvider>();
+    Contact? senderContact;
+
+    String destinationType;
+    Contact? recipient;
+
+    if (message.isChannelMessage) {
+      final channelIdx = message.channelIdx ?? 0;
+      destinationType = MessageDestinationPreferences.destinationTypeChannel;
+
+      if (channelIdx != 0) {
+        recipient = contactsProvider.channels.where((contact) {
+          return contact.publicKey.length > 1 &&
+              contact.publicKey[1] == channelIdx;
+        }).firstOrNull;
+
+        if (recipient == null) {
+          ToastLogger.error(context, l10n.cannotReplyContactNotFound);
+          return;
+        }
+      }
+
+      final senderPrefix = message.senderPublicKeyPrefix;
+      if (senderPrefix != null && senderPrefix.length >= 6) {
+        senderContact = contactsProvider.findContactByPrefix(senderPrefix);
+      }
+    } else {
+      final senderPrefix = message.senderPublicKeyPrefix;
+      if (senderPrefix == null || senderPrefix.length < 6) {
+        ToastLogger.error(context, l10n.cannotReplySenderMissing);
+        return;
+      }
+
+      recipient = contactsProvider.findContactByPrefix(senderPrefix);
+      if (recipient == null) {
+        ToastLogger.error(context, l10n.cannotReplyContactNotFound);
+        return;
+      }
+
+      destinationType = recipient.isRoom
+          ? MessageDestinationPreferences.destinationTypeRoom
+          : MessageDestinationPreferences.destinationTypeContact;
+    }
+
+    await _onRecipientSelected(destinationType, recipient);
+    if (!mounted) return;
+    if (message.isChannelMessage && senderContact != null) {
+      _insertReplyMention(senderContact.displayName);
+    }
+    _focusNode.requestFocus();
+  }
+
   /// Get icon for current destination type
   IconData _getDestinationIcon() {
-    if (_destinationType ==
+    if (_destinationType == MessageDestinationPreferences.destinationTypeAll) {
+      return Icons.all_inbox;
+    } else if (_destinationType ==
         MessageDestinationPreferences.destinationTypeChannel) {
       return Icons.public;
     } else if (_destinationType ==
@@ -318,6 +433,9 @@ class _MessagesTabState extends State<MessagesTab> {
   }
 
   String _getDestinationLabel() {
+    if (_destinationType == MessageDestinationPreferences.destinationTypeAll) {
+      return AppLocalizations.of(context)!.showAll;
+    }
     if (_destinationType ==
             MessageDestinationPreferences.destinationTypeChannel &&
         _selectedRecipient != null) {
@@ -343,6 +461,12 @@ class _MessagesTabState extends State<MessagesTab> {
       return;
     }
 
+    if (_destinationType == MessageDestinationPreferences.destinationTypeAll) {
+      if (!mounted) return;
+      ToastLogger.error(context, 'Select a channel, contact, or room first');
+      return;
+    }
+
     try {
       // Check destination type and send accordingly
       if (_destinationType ==
@@ -375,6 +499,7 @@ class _MessagesTabState extends State<MessagesTab> {
 
       _textController.clear();
       _focusNode.unfocus();
+      _markCurrentDestinationAsRead();
 
       if (!mounted) return;
     } catch (e) {
@@ -1107,6 +1232,15 @@ class _MessagesTabState extends State<MessagesTab> {
           child: Column(
             mainAxisSize: MainAxisSize.min,
             children: [
+              ListTile(
+                leading: const Icon(Icons.search),
+                title: const Text('Search messages'),
+                onTap: () async {
+                  await _runAfterSheetDismissal(sheetContext, () async {
+                    _showFilteredMessageSearch();
+                  });
+                },
+              ),
               ListTile(
                 leading: const Icon(Icons.add_location_alt),
                 title: Text(AppLocalizations.of(context)!.sendSarMarker),
@@ -1174,6 +1308,116 @@ class _MessagesTabState extends State<MessagesTab> {
     );
   }
 
+  void _showFilteredMessageSearch() {
+    final messagesProvider = context.read<MessagesProvider>();
+    final scopedMessages = _getFilteredMessages(messagesProvider);
+    final searchController = TextEditingController();
+
+    showModalBottomSheet(
+      context: context,
+      isScrollControlled: true,
+      backgroundColor: Theme.of(context).colorScheme.surface,
+      shape: const RoundedRectangleBorder(
+        borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
+      ),
+      builder: (sheetContext) {
+        return StatefulBuilder(
+          builder: (context, setModalState) {
+            final query = searchController.text.trim().toLowerCase();
+            final matches = query.isEmpty
+                ? scopedMessages
+                : scopedMessages.where((message) {
+                    return message.text.toLowerCase().contains(query) ||
+                        (message.senderName?.toLowerCase().contains(query) ??
+                            false);
+                  }).toList();
+
+            return SafeArea(
+              child: Padding(
+                padding: EdgeInsets.only(
+                  bottom: MediaQuery.of(sheetContext).viewInsets.bottom,
+                ),
+                child: SizedBox(
+                  height: MediaQuery.of(sheetContext).size.height * 0.72,
+                  child: Column(
+                    children: [
+                      Padding(
+                        padding: const EdgeInsets.fromLTRB(16, 16, 16, 12),
+                        child: TextField(
+                          controller: searchController,
+                          autofocus: true,
+                          decoration: InputDecoration(
+                            hintText: 'Search in current filter',
+                            prefixIcon: const Icon(Icons.search),
+                            suffixIcon: searchController.text.isEmpty
+                                ? null
+                                : IconButton(
+                                    icon: const Icon(Icons.clear),
+                                    onPressed: () {
+                                      searchController.clear();
+                                      setModalState(() {});
+                                    },
+                                  ),
+                            border: OutlineInputBorder(
+                              borderRadius: BorderRadius.circular(14),
+                            ),
+                          ),
+                          onChanged: (_) => setModalState(() {}),
+                        ),
+                      ),
+                      Expanded(
+                        child: matches.isEmpty
+                            ? Center(
+                                child: Text(
+                                  query.isEmpty
+                                      ? 'No messages in this filter'
+                                      : 'No matches in this filter',
+                                ),
+                              )
+                            : ListView.separated(
+                                itemCount: matches.length,
+                                separatorBuilder: (_, _) =>
+                                    const Divider(height: 1),
+                                itemBuilder: (context, index) {
+                                  final message = matches[index];
+                                  final title =
+                                      message.senderName?.trim().isNotEmpty ==
+                                          true
+                                      ? message.senderName!
+                                      : message.isSentMessage
+                                      ? 'You'
+                                      : _getDestinationLabel();
+
+                                  return ListTile(
+                                    title: Text(
+                                      title,
+                                      maxLines: 1,
+                                      overflow: TextOverflow.ellipsis,
+                                    ),
+                                    subtitle: Text(
+                                      message.text,
+                                      maxLines: 2,
+                                      overflow: TextOverflow.ellipsis,
+                                    ),
+                                    onTap: () {
+                                      Navigator.pop(sheetContext);
+                                      _scrollToMessage(message.id);
+                                    },
+                                  );
+                                },
+                              ),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+            );
+          },
+        );
+      },
+    ).whenComplete(searchController.dispose);
+  }
+
   Widget _buildDestinationAvatar(BuildContext context) {
     final recipient = _selectedRecipient;
     if (recipient != null) {
@@ -1432,28 +1676,32 @@ class _MessagesTabState extends State<MessagesTab> {
     }
   }
 
+  void _markCurrentDestinationAsRead() {
+    context.read<MessagesProvider>().markDestinationAsRead(
+      destinationType: _destinationType,
+      contact: _selectedRecipient,
+    );
+  }
+
   List<Message> _getFilteredMessages(MessagesProvider messagesProvider) {
     // Get all recent messages
     final allMessages = messagesProvider.getRecentMessages(count: 100);
 
-    // Get simple mode setting from AppProvider
-    final appProvider = context.read<AppProvider>();
-    final isSimpleMode = appProvider.isSimpleMode;
-
     List<Message> filteredMessages;
 
     // If channel destination is selected, filter by selected channel.
-    if (_destinationType ==
+    if (_destinationType == MessageDestinationPreferences.destinationTypeAll) {
+      filteredMessages = allMessages;
+    } else if (_destinationType ==
         MessageDestinationPreferences.destinationTypeChannel) {
       final selectedChannelIdx = _selectedRecipient?.publicKey[1] ?? 0;
-      if (selectedChannelIdx == 0) {
+      filteredMessages = allMessages
-        // Public channel view keeps showing all messages (current app behavior).
+          .where(
-        filteredMessages = allMessages;
+            (message) =>
-      } else {
+                message.isChannelMessage &&
-        filteredMessages = allMessages
+                (message.channelIdx ?? 0) == selectedChannelIdx,
-            .where((message) => message.channelIdx == selectedChannelIdx)
+          )
-            .toList();
+          .toList();
-      }
     }
     // If a contact or room is selected, filter by recipient/sender prefixes.
     else if ((_destinationType ==
@@ -1462,6 +1710,10 @@ class _MessagesTabState extends State<MessagesTab> {
                 MessageDestinationPreferences.destinationTypeRoom) &&
         _selectedRecipient != null) {
       filteredMessages = allMessages.where((message) {
+        if (!message.isContactMessage) {
+          return false;
+        }
+
         // Include messages sent TO this recipient
         if (message.recipientPublicKey != null &&
             message.recipientPublicKey!.length >= 6 &&
@@ -1492,14 +1744,9 @@ class _MessagesTabState extends State<MessagesTab> {
       filteredMessages = allMessages;
     }
 
-    // In simple mode, filter out system messages (toast logs)
+    return filteredMessages
-    if (isSimpleMode) {
+        .where((message) => !message.isSystemMessage)
-      filteredMessages = filteredMessages
+        .toList();
-          .where((message) => !message.isSystemMessage)
-          .toList();
-    }
-
-    return filteredMessages;
   }
 
   void _handleMessageTap(Message message) {
@@ -1547,6 +1794,7 @@ class _MessagesTabState extends State<MessagesTab> {
                   onRefresh: _handleRefresh,
                   onNavigateToMap: widget.onNavigateToMap,
                   onMessageTap: _handleMessageTap,
+                  onReplyToMessage: _replyToMessage,
                 ),
               ),
               Positioned(

lib/screens/packet_log_screen.dart

@@ -8,6 +8,8 @@ import 'package:meshcore_client/meshcore_client.dart';
 import '../l10n/app_localizations.dart';
 import '../providers/connection_provider.dart';
 import '../providers/contacts_provider.dart';
+import '../services/mesh_map_nodes_service.dart';
+import '../services/route_hash_preferences.dart';
 import '../utils/log_rx_route_decoder.dart';
 
 class PacketLogScreen extends StatefulWidget {
@@ -460,26 +462,6 @@ class _PacketLogCard extends StatelessWidget {
     final isRx = log.direction == PacketDirection.rx;
     final directionColor = isRx ? Colors.green : Colors.blue;
     final rxInfo = log.logRxDataInfo;
-    final contacts = context.watch<ContactsProvider>().contacts;
-    final connectionProvider = context.watch<ConnectionProvider>();
-    final decodedRoute = LogRxRouteDecoder.decode(log.rawData);
-    final ownPublicKey = connectionProvider.deviceInfo.publicKey;
-    final ownName =
-        connectionProvider.deviceInfo.selfName ??
-        connectionProvider.deviceInfo.displayName;
-    final resolvedPath = decodedRoute?.pathHashes
-        .map(
-          (hash) => LogRxRouteDecoder.resolveHash(
-            hash,
-            contacts: contacts,
-            ownPublicKey: ownPublicKey,
-            ownName: ownName,
-          ),
-        )
-        .toList();
-    final originalSender = resolvedPath != null && resolvedPath.isNotEmpty
-        ? resolvedPath.first
-        : null;
 
     return Card(
       margin: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
@@ -604,13 +586,9 @@ class _PacketLogCard extends StatelessWidget {
                     ),
                   ),
                 ],
-                if (isRx && decodedRoute != null) ...[
+                if (isRx) ...[
                   const SizedBox(height: 12),
-                  _RouteSection(
+                  _DecodedRouteSection(log: log),
-                    route: decodedRoute,
-                    path: resolvedPath ?? const [],
-                    originalSender: originalSender,
-                  ),
                 ],
                 const SizedBox(height: 12),
                 Container(
@@ -755,6 +733,97 @@ class _PacketLogCard extends StatelessWidget {
   }
 }
 
+class _DecodedRouteSection extends StatelessWidget {
+  final BlePacketLog log;
+
+  const _DecodedRouteSection({required this.log});
+
+  @override
+  Widget build(BuildContext context) {
+    final contacts = context.watch<ContactsProvider>().contacts;
+    final connectionProvider = context.watch<ConnectionProvider>();
+    final ownPublicKey = connectionProvider.deviceInfo.publicKey;
+    final ownName =
+        connectionProvider.deviceInfo.selfName ??
+        connectionProvider.deviceInfo.displayName;
+
+    return FutureBuilder<List<dynamic>>(
+      future: Future.wait<dynamic>([
+        RouteHashPreferences.getHashSize(),
+        MeshMapNodesService.loadCachedNodes(
+          cacheTtl: MeshMapNodesService.traceCacheTtl,
+        ),
+      ]),
+      builder: (context, snapshot) {
+        final decodedRoute = LogRxRouteDecoder.decode(
+          log.rawData,
+          preferredHashSize: snapshot.data?.first as int?,
+        );
+        if (decodedRoute == null) {
+          return const SizedBox.shrink();
+        }
+
+        final cachedNodes = snapshot.hasData
+            ? snapshot.data![1] as List<MeshMapNode>
+            : const <MeshMapNode>[];
+        final resolvedPath = decodedRoute.hopHashes
+            .map(
+              (hashHex) => _resolveHashWithFallback(
+                hashHex,
+                contacts: contacts,
+                cachedNodes: cachedNodes,
+                ownPublicKey: ownPublicKey,
+                ownName: ownName,
+              ),
+            )
+            .toList();
+        final originalSender = resolvedPath.isEmpty ? null : resolvedPath.first;
+
+        return _RouteSection(
+          route: decodedRoute,
+          path: resolvedPath,
+          originalSender: originalSender,
+        );
+      },
+    );
+  }
+
+  ResolvedNodeHash _resolveHashWithFallback(
+    String hashHex, {
+    required List<Contact> contacts,
+    required List<MeshMapNode> cachedNodes,
+    required Uint8List? ownPublicKey,
+    required String? ownName,
+  }) {
+    final localResolved = LogRxRouteDecoder.resolveHash(
+      hashHex,
+      contacts: contacts,
+      ownPublicKey: ownPublicKey,
+      ownName: ownName,
+    );
+    if (localResolved.matchCount > 0 || localResolved.isOwnNode) {
+      return localResolved;
+    }
+
+    final normalizedHashHex = hashHex.toLowerCase();
+    final matches = cachedNodes
+        .where((node) => node.publicKey.startsWith(normalizedHashHex))
+        .toList();
+    if (matches.isEmpty) {
+      return localResolved;
+    }
+
+    matches.sort((a, b) => b.updatedAtMs.compareTo(a.updatedAtMs));
+    return ResolvedNodeHash(
+      hashHex: normalizedHashHex,
+      label: matches.first.name,
+      isOwnNode: false,
+      isUniqueMatch: matches.length == 1,
+      matchCount: matches.length,
+    );
+  }
+}
+
 class _RouteSection extends StatelessWidget {
   final DecodedLogRxRoute route;
   final List<ResolvedNodeHash> path;
@@ -802,7 +871,13 @@ class _RouteSection extends StatelessWidget {
               _FactCard(
                 icon: Icons.hub,
                 label: 'Hops',
-                value: '${route.pathHashes.length}',
+                value: '${route.hopCount}',
+              ),
+              _FactCard(
+                icon: Icons.tag,
+                label: 'Hash size',
+                value:
+                    '${route.hashSize} byte${route.hashSize == 1 ? '' : 's'}',
               ),
               if (originalSender != null)
                 _FactCard(

lib/screens/repeaters_map_screen.dart

@@ -0,0 +1,775 @@
+import 'dart:typed_data';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_map/flutter_map.dart' as flutter_map;
+import 'package:geolocator/geolocator.dart';
+import 'package:latlong2/latlong.dart';
+import 'package:provider/provider.dart';
+
+import '../models/contact.dart';
+import '../providers/connection_provider.dart';
+import '../providers/contacts_provider.dart';
+import '../services/mesh_map_nodes_service.dart';
+
+class RepeatersMapScreen extends StatefulWidget {
+  const RepeatersMapScreen({super.key});
+
+  @override
+  State<RepeatersMapScreen> createState() => _RepeatersMapScreenState();
+}
+
+class _RepeatersMapScreenState extends State<RepeatersMapScreen> {
+  static const LatLng _fallbackCenter = LatLng(46.0569, 14.5058);
+  static const double _fallbackZoom = 7;
+  static const double _myLocationZoom = 14;
+
+  final flutter_map.MapController _mapController = flutter_map.MapController();
+
+  List<MeshMapNode> _onlineRepeaters = const [];
+  bool _isLoading = true;
+  bool _didFitCamera = false;
+  String? _error;
+  double _currentZoom = _fallbackZoom;
+  LatLng? _myLocation;
+  final Set<String> _addingRepeaters = <String>{};
+
+  @override
+  void initState() {
+    super.initState();
+    _loadRepeaters();
+  }
+
+  Future<void> _loadRepeaters({bool forceRefresh = false}) async {
+    setState(() {
+      _isLoading = true;
+      _error = null;
+      if (forceRefresh) {
+        _didFitCamera = false;
+      }
+    });
+
+    try {
+      final nodes = await MeshMapNodesService.fetchNodes(
+        forceRefresh: forceRefresh,
+      );
+      final repeaters = nodes.where(MeshMapNodesService.isRepeater).toList();
+
+      if (!mounted) return;
+      setState(() {
+        _onlineRepeaters = repeaters;
+        _isLoading = false;
+      });
+      _refreshMyLocation();
+    } catch (error) {
+      final cached = await MeshMapNodesService.loadCachedNodes();
+      final repeaters = cached.where(MeshMapNodesService.isRepeater).toList();
+
+      if (!mounted) return;
+      setState(() {
+        _onlineRepeaters = repeaters;
+        _isLoading = false;
+        _error = repeaters.isEmpty
+            ? 'Unable to load repeaters right now.'
+            : 'Showing cached repeaters. Pull to retry.';
+      });
+      _refreshMyLocation();
+    }
+  }
+
+  List<_MapRepeater> _mergeRepeaters({
+    required List<MeshMapNode> onlineNodes,
+    required List<Contact> contactRepeaters,
+  }) {
+    final merged = <String, _MapRepeater>{};
+
+    for (final node in onlineNodes) {
+      merged[node.publicKey] = _MapRepeater(
+        publicKey: node.publicKey,
+        name: node.name,
+        latitude: node.latitude,
+        longitude: node.longitude,
+        isFromContacts: false,
+        isFromOnline: true,
+      );
+    }
+
+    for (final contact in contactRepeaters) {
+      final location = contact.displayLocation;
+      if (location == null) {
+        continue;
+      }
+
+      final key = contact.publicKeyHex.toLowerCase();
+      final existing = merged[key];
+      merged[key] = _MapRepeater(
+        publicKey: key,
+        name: contact.displayName.isNotEmpty
+            ? contact.displayName
+            : existing?.name ?? 'Unknown repeater',
+        latitude: existing?.latitude ?? location.latitude,
+        longitude: existing?.longitude ?? location.longitude,
+        isFromContacts: true,
+        isFromOnline: existing?.isFromOnline ?? false,
+      );
+    }
+
+    final repeaters = merged.values.toList()
+      ..sort((a, b) => a.name.toLowerCase().compareTo(b.name.toLowerCase()));
+    return repeaters;
+  }
+
+  Future<void> _refreshMyLocation() async {
+    try {
+      final position = await Geolocator.getCurrentPosition(
+        locationSettings: const LocationSettings(
+          accuracy: LocationAccuracy.best,
+          distanceFilter: 0,
+        ),
+      );
+      if (!mounted) return;
+      setState(() {
+        _myLocation = LatLng(position.latitude, position.longitude);
+      });
+    } catch (_) {
+      // Best effort only.
+    }
+  }
+
+  void _fitCameraIfNeeded(List<_MapRepeater> repeaters) {
+    if (_didFitCamera || repeaters.isEmpty || !mounted) {
+      return;
+    }
+
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (!mounted || _didFitCamera || repeaters.isEmpty) {
+        return;
+      }
+
+      if (repeaters.length == 1) {
+        final repeater = repeaters.first;
+        _mapController.move(LatLng(repeater.latitude, repeater.longitude), 13);
+        _currentZoom = 13;
+      } else {
+        final bounds = flutter_map.LatLngBounds.fromPoints(
+          repeaters
+              .map((node) => LatLng(node.latitude, node.longitude))
+              .toList(),
+        );
+        _mapController.fitCamera(
+          flutter_map.CameraFit.bounds(
+            bounds: bounds,
+            padding: const EdgeInsets.all(48),
+          ),
+        );
+      }
+
+      _didFitCamera = true;
+    });
+  }
+
+  void _showRepeaterDetails(_MapRepeater repeater) {
+    final isAdding = _addingRepeaters.contains(repeater.publicKey);
+    final canAdd = !repeater.isFromContacts;
+    final isConnected = context
+        .read<ConnectionProvider>()
+        .deviceInfo
+        .isConnected;
+
+    showModalBottomSheet<void>(
+      context: context,
+      showDragHandle: true,
+      builder: (context) => SafeArea(
+        child: Padding(
+          padding: const EdgeInsets.fromLTRB(20, 0, 20, 24),
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Text(
+                repeater.name,
+                style: Theme.of(
+                  context,
+                ).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.w700),
+              ),
+              const SizedBox(height: 12),
+              _InfoLine(
+                label: 'Public key',
+                value: repeater.publicKey,
+                monospace: true,
+              ),
+              _InfoLine(
+                label: 'Coordinates',
+                value:
+                    '${repeater.latitude.toStringAsFixed(5)}, ${repeater.longitude.toStringAsFixed(5)}',
+              ),
+              _InfoLine(label: 'Source', value: repeater.sourceLabel),
+              const SizedBox(height: 12),
+              if (canAdd)
+                SizedBox(
+                  width: double.infinity,
+                  child: FilledButton.icon(
+                    onPressed: !isConnected || isAdding
+                        ? null
+                        : () async {
+                            Navigator.of(context).pop();
+                            await _addRepeaterToContacts(repeater);
+                          },
+                    icon: isAdding
+                        ? const SizedBox(
+                            width: 16,
+                            height: 16,
+                            child: CircularProgressIndicator(strokeWidth: 2),
+                          )
+                        : const Icon(Icons.person_add_alt_1),
+                    label: Text(
+                      !isConnected
+                          ? 'Connect device to add'
+                          : 'Add to contacts',
+                    ),
+                  ),
+                )
+              else
+                SizedBox(
+                  width: double.infinity,
+                  child: FilledButton.icon(
+                    onPressed: null,
+                    icon: const Icon(Icons.check_circle),
+                    label: const Text('Already in contacts'),
+                  ),
+                ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Future<void> _addRepeaterToContacts(_MapRepeater repeater) async {
+    if (_addingRepeaters.contains(repeater.publicKey)) {
+      return;
+    }
+
+    final connectionProvider = context.read<ConnectionProvider>();
+    if (!connectionProvider.deviceInfo.isConnected) {
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text('Connect to a device before adding contacts'),
+        ),
+      );
+      return;
+    }
+
+    setState(() {
+      _addingRepeaters.add(repeater.publicKey);
+    });
+
+    try {
+      await connectionProvider.getContact(_hexToBytes(repeater.publicKey));
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('${repeater.name} added to contacts')),
+      );
+    } catch (error) {
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('Failed to add ${repeater.name}: $error')),
+      );
+    } finally {
+      if (mounted) {
+        setState(() {
+          _addingRepeaters.remove(repeater.publicKey);
+        });
+      }
+    }
+  }
+
+  Uint8List _hexToBytes(String hex) {
+    final normalized = hex.replaceAll(':', '').trim().toLowerCase();
+    return Uint8List.fromList(
+      List<int>.generate(
+        normalized.length ~/ 2,
+        (index) => int.parse(
+          normalized.substring(index * 2, index * 2 + 2),
+          radix: 16,
+        ),
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final contactsProvider = context.watch<ContactsProvider>();
+    final repeaters = _mergeRepeaters(
+      onlineNodes: _onlineRepeaters,
+      contactRepeaters: contactsProvider.repeaters,
+    );
+    _fitCameraIfNeeded(repeaters);
+    final clusters = _buildClusters(repeaters);
+    final markers = clusters.map((cluster) {
+      final markerColor = switch (cluster.status) {
+        _ClusterStatus.contactsOnly => const Color(0xFF7C3AED),
+        _ClusterStatus.onlineOnly => const Color(0xFFE8681D),
+        _ClusterStatus.both => const Color(0xFF1B8F4F),
+        _ClusterStatus.mixed => const Color(0xFF2563EB),
+      };
+
+      if (cluster.members.length == 1) {
+        final repeater = cluster.members.first;
+        return flutter_map.Marker(
+          point: cluster.center,
+          width: 80,
+          height: 100,
+          child: GestureDetector(
+            onTap: () => _showRepeaterDetails(repeater),
+            child: _RepeaterMarker(color: markerColor, label: repeater.name),
+          ),
+        );
+      }
+
+      return flutter_map.Marker(
+        point: cluster.center,
+        width: 48,
+        height: 48,
+        child: GestureDetector(
+          onTap: () => _zoomToCluster(cluster),
+          child: _ClusterMarker(
+            color: markerColor,
+            count: cluster.members.length,
+          ),
+        ),
+      );
+    }).toList();
+    final allMarkers = <flutter_map.Marker>[
+      ...markers,
+      if (_myLocation != null)
+        flutter_map.Marker(
+          point: _myLocation!,
+          width: 24,
+          height: 24,
+          child: Container(
+            decoration: BoxDecoration(
+              color: const Color(0xFF2563EB),
+              shape: BoxShape.circle,
+              border: Border.all(color: Colors.white, width: 3),
+              boxShadow: [
+                BoxShadow(
+                  color: Colors.black.withValues(alpha: 0.18),
+                  blurRadius: 12,
+                  offset: const Offset(0, 4),
+                ),
+              ],
+            ),
+          ),
+        ),
+    ];
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Repeaters Map'),
+        actions: [
+          IconButton(
+            onPressed: _isLoading
+                ? null
+                : () => _loadRepeaters(forceRefresh: true),
+            icon: const Icon(Icons.refresh),
+            tooltip: 'Refresh',
+          ),
+        ],
+      ),
+      body: Stack(
+        children: [
+          flutter_map.FlutterMap(
+            mapController: _mapController,
+            options: flutter_map.MapOptions(
+              initialCenter: _fallbackCenter,
+              initialZoom: _fallbackZoom,
+              onPositionChanged: (camera, hasGesture) {
+                final nextZoom = camera.zoom;
+                if (nextZoom != _currentZoom && mounted) {
+                  setState(() {
+                    _currentZoom = nextZoom;
+                  });
+                }
+              },
+            ),
+            children: [
+              flutter_map.TileLayer(
+                urlTemplate: 'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
+                userAgentPackageName: 'app.meshcore.sar',
+              ),
+              flutter_map.MarkerLayer(markers: allMarkers),
+            ],
+          ),
+          if (_error != null)
+            Positioned(
+              top: 16,
+              left: 16,
+              right: 16,
+              child: Material(
+                elevation: 2,
+                borderRadius: BorderRadius.circular(14),
+                color: Theme.of(context).colorScheme.surface,
+                child: Padding(
+                  padding: const EdgeInsets.symmetric(
+                    horizontal: 16,
+                    vertical: 12,
+                  ),
+                  child: Text(_error!),
+                ),
+              ),
+            ),
+          if (_isLoading) const Center(child: CircularProgressIndicator()),
+          if (!_isLoading && repeaters.isEmpty)
+            Center(
+              child: Padding(
+                padding: const EdgeInsets.all(24),
+                child: Text(
+                  _error ?? 'No repeaters available.',
+                  textAlign: TextAlign.center,
+                ),
+              ),
+            ),
+          if (repeaters.isNotEmpty)
+            Positioned(
+              left: 16,
+              top: _error == null ? 16 : 72,
+              child: Material(
+                elevation: 2,
+                borderRadius: BorderRadius.circular(14),
+                color: Theme.of(context).colorScheme.surface,
+                child: Padding(
+                  padding: const EdgeInsets.symmetric(
+                    horizontal: 14,
+                    vertical: 10,
+                  ),
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    mainAxisSize: MainAxisSize.min,
+                    children: const [
+                      _LegendRow(
+                        color: Color(0xFF7C3AED),
+                        label: 'From contacts',
+                      ),
+                      SizedBox(height: 8),
+                      _LegendRow(
+                        color: Color(0xFFE8681D),
+                        label: 'Online only',
+                      ),
+                      SizedBox(height: 8),
+                      _LegendRow(color: Color(0xFF1B8F4F), label: 'In both'),
+                    ],
+                  ),
+                ),
+              ),
+            ),
+          if (repeaters.isNotEmpty)
+            Positioned(
+              left: 16,
+              right: 16,
+              bottom: 16,
+              child: Material(
+                elevation: 3,
+                borderRadius: BorderRadius.circular(16),
+                color: Theme.of(context).colorScheme.surface,
+                child: Padding(
+                  padding: const EdgeInsets.symmetric(
+                    horizontal: 16,
+                    vertical: 12,
+                  ),
+                  child: Text(
+                    '${repeaters.length} repeaters',
+                    style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                      fontWeight: FontWeight.w700,
+                    ),
+                  ),
+                ),
+              ),
+            ),
+        ],
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _jumpToMyLocation,
+        tooltip: 'My location',
+        child: const Icon(Icons.my_location),
+      ),
+    );
+  }
+
+  Future<void> _jumpToMyLocation() async {
+    await _refreshMyLocation();
+    final myLocation = _myLocation;
+    if (!mounted || myLocation == null) {
+      return;
+    }
+
+    _mapController.move(myLocation, _myLocationZoom);
+    setState(() {
+      _currentZoom = _myLocationZoom;
+    });
+  }
+
+  List<_RepeaterCluster> _buildClusters(List<_MapRepeater> repeaters) {
+    if (repeaters.isEmpty) {
+      return const [];
+    }
+
+    if (_currentZoom >= 11.5) {
+      return repeaters
+          .map(
+            (repeater) => _RepeaterCluster(
+              members: [repeater],
+              center: LatLng(repeater.latitude, repeater.longitude),
+              status: repeater.clusterStatus,
+            ),
+          )
+          .toList();
+    }
+
+    final cellSize = _gridSizeForZoom(_currentZoom);
+    final buckets = <String, List<_MapRepeater>>{};
+
+    for (final repeater in repeaters) {
+      final latBucket = (repeater.latitude / cellSize).floor();
+      final lonBucket = (repeater.longitude / cellSize).floor();
+      final key = '$latBucket:$lonBucket';
+      buckets.putIfAbsent(key, () => <_MapRepeater>[]).add(repeater);
+    }
+
+    return buckets.values.map((members) {
+      final centerLat =
+          members.map((node) => node.latitude).reduce((a, b) => a + b) /
+          members.length;
+      final centerLon =
+          members.map((node) => node.longitude).reduce((a, b) => a + b) /
+          members.length;
+      final statuses = members.map((node) => node.clusterStatus).toSet();
+      return _RepeaterCluster(
+        members: members,
+        center: LatLng(centerLat, centerLon),
+        status: statuses.length == 1 ? statuses.first : _ClusterStatus.mixed,
+      );
+    }).toList();
+  }
+
+  double _gridSizeForZoom(double zoom) {
+    if (zoom < 5) return 3.0;
+    if (zoom < 7) return 1.5;
+    if (zoom < 9) return 0.7;
+    if (zoom < 10.5) return 0.28;
+    return 0.12;
+  }
+
+  void _zoomToCluster(_RepeaterCluster cluster) {
+    if (cluster.members.isEmpty) {
+      return;
+    }
+
+    final bounds = flutter_map.LatLngBounds.fromPoints(
+      cluster.members
+          .map((node) => LatLng(node.latitude, node.longitude))
+          .toList(),
+    );
+    _mapController.fitCamera(
+      flutter_map.CameraFit.bounds(
+        bounds: bounds,
+        padding: const EdgeInsets.all(64),
+        maxZoom: (_currentZoom + 2).clamp(8, 14),
+      ),
+    );
+  }
+}
+
+class _InfoLine extends StatelessWidget {
+  final String label;
+  final String value;
+  final bool monospace;
+
+  const _InfoLine({
+    required this.label,
+    required this.value,
+    this.monospace = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.only(bottom: 8),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          SizedBox(
+            width: 92,
+            child: Text(
+              label,
+              style: Theme.of(
+                context,
+              ).textTheme.bodyMedium?.copyWith(fontWeight: FontWeight.w600),
+            ),
+          ),
+          Expanded(
+            child: Text(
+              value,
+              style: monospace
+                  ? const TextStyle(fontFamily: 'monospace')
+                  : null,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _LegendRow extends StatelessWidget {
+  final Color color;
+  final String label;
+
+  const _LegendRow({required this.color, required this.label});
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        Container(
+          width: 12,
+          height: 12,
+          decoration: BoxDecoration(color: color, shape: BoxShape.circle),
+        ),
+        const SizedBox(width: 8),
+        Text(label),
+      ],
+    );
+  }
+}
+
+class _RepeaterMarker extends StatelessWidget {
+  final Color color;
+  final String label;
+
+  const _RepeaterMarker({required this.color, required this.label});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        Container(
+          decoration: BoxDecoration(
+            color: color,
+            shape: BoxShape.circle,
+            border: Border.all(color: Colors.white, width: 2),
+            boxShadow: [
+              BoxShadow(
+                color: Colors.black.withValues(alpha: 0.3),
+                blurRadius: 4,
+                offset: const Offset(0, 2),
+              ),
+            ],
+          ),
+          padding: const EdgeInsets.all(6),
+          child: const Icon(Icons.router, color: Colors.white, size: 18),
+        ),
+        const SizedBox(height: 2),
+        Container(
+          constraints: const BoxConstraints(maxWidth: 80),
+          padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 1),
+          decoration: BoxDecoration(
+            color: Colors.black.withValues(alpha: 0.7),
+            borderRadius: BorderRadius.circular(3),
+          ),
+          child: Text(
+            label,
+            style: const TextStyle(
+              color: Colors.white,
+              fontSize: 9,
+              fontWeight: FontWeight.bold,
+            ),
+            overflow: TextOverflow.ellipsis,
+            maxLines: 1,
+            textAlign: TextAlign.center,
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+class _ClusterMarker extends StatelessWidget {
+  final Color color;
+  final int count;
+
+  const _ClusterMarker({required this.color, required this.count});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      decoration: BoxDecoration(
+        color: color,
+        shape: BoxShape.circle,
+        border: Border.all(color: Colors.white, width: 2),
+        boxShadow: [
+          BoxShadow(
+            color: Colors.black.withValues(alpha: 0.22),
+            blurRadius: 10,
+            offset: const Offset(0, 3),
+          ),
+        ],
+      ),
+      alignment: Alignment.center,
+      child: Text(
+        '$count',
+        style: const TextStyle(
+          color: Colors.white,
+          fontWeight: FontWeight.w800,
+          fontSize: 14,
+        ),
+      ),
+    );
+  }
+}
+
+enum _ClusterStatus { contactsOnly, onlineOnly, both, mixed }
+
+class _RepeaterCluster {
+  final List<_MapRepeater> members;
+  final LatLng center;
+  final _ClusterStatus status;
+
+  const _RepeaterCluster({
+    required this.members,
+    required this.center,
+    required this.status,
+  });
+}
+
+class _MapRepeater {
+  final String publicKey;
+  final String name;
+  final double latitude;
+  final double longitude;
+  final bool isFromContacts;
+  final bool isFromOnline;
+
+  const _MapRepeater({
+    required this.publicKey,
+    required this.name,
+    required this.latitude,
+    required this.longitude,
+    required this.isFromContacts,
+    required this.isFromOnline,
+  });
+
+  String get sourceLabel {
+    if (isFromContacts && isFromOnline) return 'Contacts and online';
+    if (isFromContacts) return 'Contacts';
+    return 'Online';
+  }
+
+  _ClusterStatus get clusterStatus {
+    if (isFromContacts && isFromOnline) return _ClusterStatus.both;
+    if (isFromContacts) return _ClusterStatus.contactsOnly;
+    return _ClusterStatus.onlineOnly;
+  }
+}

lib/screens/sensors_tab.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart' as flutter_map;
 import 'package:latlong2/latlong.dart';
@@ -10,9 +12,53 @@ import '../providers/contacts_provider.dart';
 import '../providers/sensors_provider.dart';
 import '../utils/location_formats.dart';
 
-class SensorsTab extends StatelessWidget {
+class SensorsTab extends StatefulWidget {
   const SensorsTab({super.key});
 
+  @override
+  State<SensorsTab> createState() => _SensorsTabState();
+}
+
+class _SensorsTabState extends State<SensorsTab> {
+  Timer? _minuteTicker;
+
+  @override
+  void initState() {
+    super.initState();
+    _scheduleMinuteTicker();
+  }
+
+  @override
+  void dispose() {
+    _minuteTicker?.cancel();
+    super.dispose();
+  }
+
+  void _scheduleMinuteTicker() {
+    _minuteTicker?.cancel();
+
+    final now = DateTime.now();
+    final nextMinute = DateTime(
+      now.year,
+      now.month,
+      now.day,
+      now.hour,
+      now.minute + 1,
+    );
+    final delay = nextMinute.difference(now);
+
+    _minuteTicker = Timer(delay, () {
+      if (!mounted) return;
+      context.read<SensorsProvider>().clearExpiredRefreshStates();
+      setState(() {});
+      _minuteTicker = Timer.periodic(const Duration(minutes: 1), (_) {
+        if (!mounted) return;
+        context.read<SensorsProvider>().clearExpiredRefreshStates();
+        setState(() {});
+      });
+    });
+  }
+
   Future<void> _showAddSensorSheet(BuildContext context) async {
     final sensorsProvider = context.read<SensorsProvider>();
     final contactsProvider = context.read<ContactsProvider>();
@@ -209,6 +255,11 @@ class SensorsTab extends StatelessWidget {
                       },
                       onCustomize: () =>
                           _showMetricSelector(context, key, contact),
+                      onRefresh: () => sensorsProvider.refreshSensor(
+                        publicKeyHex: key,
+                        contactsProvider: contactsProvider,
+                        connectionProvider: context.read<ConnectionProvider>(),
+                      ),
                     );
                   }),
               ],
@@ -302,6 +353,7 @@ class _SensorCard extends StatelessWidget {
   final Set<String> visibleFields;
   final Map<String, int> fieldSpans;
   final Future<void> Function() onRemove;
+  final Future<void> Function() onRefresh;
   final VoidCallback onCustomize;
 
   const _SensorCard({
@@ -310,6 +362,7 @@ class _SensorCard extends StatelessWidget {
     required this.visibleFields,
     required this.fieldSpans,
     required this.onRemove,
+    required this.onRefresh,
     required this.onCustomize,
   });
 
@@ -318,6 +371,7 @@ class _SensorCard extends StatelessWidget {
     final l10n = AppLocalizations.of(context)!;
     final telemetry = contact?.telemetry;
     final theme = Theme.of(context);
+    final colorScheme = theme.colorScheme;
     final metrics = contact == null || telemetry == null
         ? const <_MetricCardData>[]
         : _buildMetricCards(l10n, telemetry, contact!);
@@ -325,16 +379,23 @@ class _SensorCard extends StatelessWidget {
     return Container(
       margin: const EdgeInsets.only(bottom: 16),
       decoration: BoxDecoration(
-        color: theme.colorScheme.surface,
         borderRadius: BorderRadius.circular(28),
+        gradient: LinearGradient(
+          begin: Alignment.topLeft,
+          end: Alignment.bottomRight,
+          colors: [
+            colorScheme.surfaceContainerLow,
+            colorScheme.surfaceContainerHighest.withValues(alpha: 0.9),
+          ],
+        ),
         border: Border.all(
-          color: theme.colorScheme.outline.withValues(alpha: 0.14),
+          color: colorScheme.outlineVariant.withValues(alpha: 0.35),
         ),
         boxShadow: [
           BoxShadow(
-            color: Colors.black.withValues(alpha: 0.04),
+            color: Colors.black.withValues(alpha: 0.045),
-            blurRadius: 18,
+            blurRadius: 12,
-            offset: const Offset(0, 8),
+            offset: const Offset(0, 4),
           ),
         ],
       ),
@@ -404,18 +465,24 @@ class _SensorCard extends StatelessWidget {
                 ),
                 PopupMenuButton<String>(
                   onSelected: (value) async {
-                    if (value == 'remove') {
+                    if (value == 'refresh') {
+                      await onRefresh();
+                    } else if (value == 'remove') {
                       await onRemove();
                     } else if (value == 'customize') {
                       onCustomize();
                     }
                   },
-                  itemBuilder: (context) => const [
+                  itemBuilder: (context) => [
                     PopupMenuItem<String>(
+                      value: 'refresh',
+                      child: Text(l10n.refresh),
+                    ),
+                    const PopupMenuItem<String>(
                       value: 'customize',
                       child: Text('Customize fields'),
                     ),
-                    PopupMenuItem<String>(
+                    const PopupMenuItem<String>(
                       value: 'remove',
                       child: Text('Remove'),
                     ),
@@ -429,7 +496,9 @@ class _SensorCard extends StatelessWidget {
                 'This node is no longer available in the contact list.',
               )
             else if (telemetry == null)
-              const Text('No telemetry received yet. Pull down to fetch it.')
+              const Text(
+                'No telemetry received yet. Use Refresh from the menu or pull down to fetch it.',
+              )
             else if (metrics.isEmpty)
               const Text(
                 'All fields are hidden. Use Visible fields to choose what to show.',
@@ -573,7 +642,7 @@ class _SensorCard extends StatelessWidget {
 
   String _formatTelemetryTime(DateTime timestamp) {
     final diff = DateTime.now().difference(timestamp);
-    if (diff.inMinutes < 1) return 'just now';
+    if (diff.inMinutes < 1) return 'now';
     if (diff.inMinutes < 60) return '${diff.inMinutes}m ago';
     if (diff.inHours < 24) return '${diff.inHours}h ago';
     return '${diff.inDays}d ago';
@@ -673,49 +742,33 @@ class _MetricTile extends StatelessWidget {
     final location = data.mapLocation;
     if (location == null) return;
 
-    await showDialog<void>(
+    await Navigator.of(context).push(
-      context: context,
+      MaterialPageRoute<void>(
-      builder: (dialogContext) {
+        builder: (pageContext) {
-        return Dialog(
+          return Scaffold(
-          insetPadding: const EdgeInsets.all(16),
+            appBar: AppBar(
-          clipBehavior: Clip.antiAlias,
+              title: Column(
-          child: SizedBox(
+                crossAxisAlignment: CrossAxisAlignment.start,
-            height: 420,
+                children: [
-            child: Column(
+                  Text(data.label),
+                  Text(
+                    data.value,
+                    style: Theme.of(pageContext).textTheme.bodySmall,
+                  ),
+                ],
+              ),
+            ),
+            body: Column(
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
-                Padding(
+                if (data.secondaryValue != null)
-                  padding: const EdgeInsets.fromLTRB(16, 14, 8, 8),
+                  Padding(
-                  child: Row(
+                    padding: const EdgeInsets.fromLTRB(16, 0, 16, 12),
-                    children: [
+                    child: Text(
-                      Expanded(
+                      data.secondaryValue!,
-                        child: Column(
+                      style: Theme.of(pageContext).textTheme.bodyMedium,
-                          crossAxisAlignment: CrossAxisAlignment.start,
+                    ),
-                          children: [
-                            Text(
-                              data.label,
-                              style: Theme.of(context).textTheme.titleMedium,
-                            ),
-                            const SizedBox(height: 4),
-                            Text(
-                              data.value,
-                              style: Theme.of(context).textTheme.bodyMedium,
-                            ),
-                            if (data.secondaryValue != null)
-                              Text(
-                                data.secondaryValue!,
-                                style: Theme.of(context).textTheme.bodySmall,
-                              ),
-                          ],
-                        ),
-                      ),
-                      IconButton(
-                        onPressed: () => Navigator.of(dialogContext).pop(),
-                        icon: const Icon(Icons.close),
-                      ),
-                    ],
                   ),
-                ),
                 Expanded(
                   child: flutter_map.FlutterMap(
                     options: flutter_map.MapOptions(
@@ -748,9 +801,10 @@ class _MetricTile extends StatelessWidget {
                 ),
               ],
             ),
-          ),
+          );
-        );
+        },
-      },
+        fullscreenDialog: true,
+      ),
     );
   }
 

lib/screens/settings_screen.dart

@@ -1,5 +1,6 @@
-import 'dart:io' show Platform;
 import 'dart:typed_data';
+import 'package:flutter/foundation.dart'
+    show TargetPlatform, defaultTargetPlatform, kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:flutter_avif/flutter_avif.dart';
 import 'package:image_picker/image_picker.dart';
@@ -15,12 +16,14 @@ import '../providers/app_provider.dart';
 import '../providers/connection_provider.dart';
 import '../services/location_tracking_service.dart';
 import '../services/locale_preferences.dart';
+import '../services/mesh_map_nodes_service.dart';
 import '../services/update_checker_service.dart';
 import '../services/voice_codec_service.dart';
 import '../services/voice_bitrate_preferences.dart';
 import '../services/image_preferences.dart';
 import '../services/route_hash_preferences.dart';
 import '../services/image_codec_service.dart';
+import '../services/developer_mode_service.dart';
 import '../utils/sample_data_generator.dart';
 import '../utils/image_message_parser.dart';
 import '../utils/voice_message_parser.dart';
@@ -67,6 +70,13 @@ class _SettingsScreenState extends State<SettingsScreen> {
   Uint8List? _previewCompressedBytes;
   bool _isPreviewLoading = false;
   bool _showCurrentImagePreview = true;
+  bool _fastLocationUpdatesEnabled = false;
+  double _fastLocationMovementThresholdMeters = 10.0;
+  int _fastLocationActiveCadenceSeconds = 10;
+  bool _isDeveloperModeEnabled = false;
+  DateTime? _onlineTraceCacheUpdatedAt;
+  bool _isClearingOnlineTraceCache = false;
+  int _versionTapCount = 0;
   final ImagePicker _imagePicker = ImagePicker();
   final LocationTrackingService _locationService = LocationTrackingService();
 
@@ -81,6 +91,9 @@ class _SettingsScreenState extends State<SettingsScreen> {
     _loadVoiceBitratePreference();
     _loadRouteHashSizePreference();
     _loadImagePreferences();
+    _loadFastLocationSettings();
+    _loadDeveloperMode();
+    _loadOnlineTraceCacheStatus();
   }
 
   @override
@@ -110,6 +123,56 @@ class _SettingsScreenState extends State<SettingsScreen> {
     }
   }
 
+  Future<void> _loadDeveloperMode() async {
+    final isEnabled = await DeveloperModeService.isEnabled();
+    if (!mounted) return;
+    setState(() {
+      _isDeveloperModeEnabled = isEnabled;
+    });
+  }
+
+  Future<void> _loadOnlineTraceCacheStatus() async {
+    final cachedAt = await MeshMapNodesService.cachedAt();
+    if (!mounted) return;
+    setState(() {
+      _onlineTraceCacheUpdatedAt = cachedAt;
+    });
+  }
+
+  Future<void> _handleVersionTap() async {
+    if (_isDeveloperModeEnabled) {
+      await DeveloperModeService.setEnabled(false);
+      if (!mounted) return;
+      setState(() {
+        _isDeveloperModeEnabled = false;
+        _versionTapCount = 0;
+      });
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(const SnackBar(content: Text('Developer mode disabled')));
+      return;
+    }
+
+    final nextTapCount = _versionTapCount + 1;
+    if (nextTapCount >= 3) {
+      await DeveloperModeService.setEnabled(true);
+      if (!mounted) return;
+      setState(() {
+        _isDeveloperModeEnabled = true;
+        _versionTapCount = 0;
+      });
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(const SnackBar(content: Text('Developer mode enabled')));
+      return;
+    }
+
+    if (!mounted) return;
+    setState(() {
+      _versionTapCount = nextTapCount;
+    });
+  }
+
   Future<void> _saveRxTxPreference(bool value) async {
     final prefs = await SharedPreferences.getInstance();
     await prefs.setBool('show_rx_tx_indicators', value);
@@ -169,6 +232,108 @@ class _SettingsScreenState extends State<SettingsScreen> {
     await _refreshImageModePreview();
   }
 
+  Future<void> _loadFastLocationSettings() async {
+    await _locationService.loadSettings();
+    if (!mounted) return;
+    setState(() {
+      _fastLocationUpdatesEnabled = _locationService.fastLocationUpdatesEnabled;
+      _fastLocationMovementThresholdMeters =
+          _locationService.fastLocationMovementThresholdMeters;
+      _fastLocationActiveCadenceSeconds =
+          _locationService.fastLocationActiveCadenceSeconds;
+    });
+  }
+
+  Future<void> _setFastLocationUpdatesEnabled(bool enabled) async {
+    await _locationService.setFastLocationUpdatesEnabled(enabled);
+    if (!mounted) return;
+    setState(() {
+      _fastLocationUpdatesEnabled = _locationService.fastLocationUpdatesEnabled;
+    });
+  }
+
+  Future<void> _editFastLocationMovementThreshold() async {
+    final controller = TextEditingController(
+      text: _fastLocationMovementThresholdMeters.toStringAsFixed(0),
+    );
+    final value = await showDialog<double>(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Fast GPS movement threshold'),
+        content: TextField(
+          controller: controller,
+          keyboardType: const TextInputType.numberWithOptions(decimal: true),
+          decoration: const InputDecoration(
+            labelText: 'Meters',
+            helperText: 'Valid range: 1 to 1000 meters',
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: Text(AppLocalizations.of(context)!.cancel),
+          ),
+          FilledButton(
+            onPressed: () {
+              final parsed = double.tryParse(controller.text.trim());
+              if (parsed == null) return;
+              Navigator.pop(context, parsed.clamp(1.0, 1000.0));
+            },
+            child: const Text('Save'),
+          ),
+        ],
+      ),
+    );
+    if (value == null) return;
+    await _locationService.updateFastLocationMovementThreshold(value);
+    if (!mounted) return;
+    setState(() {
+      _fastLocationMovementThresholdMeters =
+          _locationService.fastLocationMovementThresholdMeters;
+    });
+  }
+
+  Future<void> _editFastLocationActiveCadence() async {
+    final controller = TextEditingController(
+      text: _fastLocationActiveCadenceSeconds.toString(),
+    );
+    final value = await showDialog<int>(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Fast GPS active-use interval'),
+        content: TextField(
+          controller: controller,
+          keyboardType: TextInputType.number,
+          decoration: const InputDecoration(
+            labelText: 'Seconds',
+            helperText: 'Valid range: 5 to 60 seconds',
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: Text(AppLocalizations.of(context)!.cancel),
+          ),
+          FilledButton(
+            onPressed: () {
+              final parsed = int.tryParse(controller.text.trim());
+              if (parsed == null) return;
+              Navigator.pop(context, parsed.clamp(5, 60));
+            },
+            child: const Text('Save'),
+          ),
+        ],
+      ),
+    );
+    if (value == null) return;
+    await _locationService.updateFastLocationActiveCadenceSeconds(value);
+    if (!mounted) return;
+    setState(() {
+      _fastLocationActiveCadenceSeconds =
+          _locationService.fastLocationActiveCadenceSeconds;
+    });
+  }
+
   Future<void> _saveImageMaxSize(int size) async {
     await ImagePreferences.setMaxSize(size);
     if (!mounted) return;
@@ -318,7 +483,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
   /// Check for app updates and show notification or dialog
   Future<void> _checkForUpdates() async {
     // Only on Android
-    if (!Platform.isAndroid) {
+    if (kIsWeb || defaultTargetPlatform != TargetPlatform.android) {
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
           const SnackBar(
@@ -677,6 +842,66 @@ class _SettingsScreenState extends State<SettingsScreen> {
     );
   }
 
+  Future<void> _clearOnlineTraceCache() async {
+    final confirmed = await showDialog<bool>(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Clear online trace database'),
+        content: const Text(
+          'This removes the cached online node database used as a trace fallback.',
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context, false),
+            child: Text(AppLocalizations.of(context)!.cancel),
+          ),
+          TextButton(
+            onPressed: () => Navigator.pop(context, true),
+            style: TextButton.styleFrom(foregroundColor: Colors.red),
+            child: Text(AppLocalizations.of(context)!.clear),
+          ),
+        ],
+      ),
+    );
+
+    if (confirmed != true || !mounted) return;
+
+    setState(() {
+      _isClearingOnlineTraceCache = true;
+    });
+
+    await MeshMapNodesService.clearCache();
+
+    if (!mounted) return;
+    setState(() {
+      _onlineTraceCacheUpdatedAt = null;
+      _isClearingOnlineTraceCache = false;
+    });
+
+    ScaffoldMessenger.of(context).showSnackBar(
+      const SnackBar(
+        content: Text('Online trace database cleared'),
+        backgroundColor: Colors.orange,
+      ),
+    );
+  }
+
+  String _onlineTraceCacheSubtitle() {
+    final cachedAt = _onlineTraceCacheUpdatedAt;
+    if (cachedAt == null) {
+      return 'No cached online database. Refresh runs in background when internet is available.';
+    }
+
+    final expiresAt = cachedAt.add(MeshMapNodesService.traceCacheTtl);
+    return 'Last synced ${_formatDateTime(cachedAt)}. Cached for 24 hours until ${_formatDateTime(expiresAt)}.';
+  }
+
+  String _formatDateTime(DateTime value) {
+    final local = value.toLocal();
+    String two(int part) => part.toString().padLeft(2, '0');
+    return '${local.year}-${two(local.month)}-${two(local.day)} ${two(local.hour)}:${two(local.minute)}';
+  }
+
   Future<void> _showRouteHashSizeDialog() async {
     final selected = await showDialog<int>(
       context: context,
@@ -758,19 +983,6 @@ class _SettingsScreenState extends State<SettingsScreen> {
 
           _buildSectionHeader('Navigation'),
           _buildSettingsCard([
-            Consumer<AppProvider>(
-              builder: (context, appProvider, child) => SwitchListTile(
-                secondary: const Icon(Icons.visibility_off),
-                title: Text(AppLocalizations.of(context)!.simpleMode),
-                subtitle: Text(
-                  AppLocalizations.of(context)!.simpleModeDescription,
-                ),
-                value: appProvider.isSimpleMode,
-                onChanged: (value) async {
-                  await appProvider.toggleSimpleMode(value);
-                },
-              ),
-            ),
             Consumer<AppProvider>(
               builder: (context, appProvider, child) => SwitchListTile(
                 secondary: const Icon(Icons.map_outlined),
@@ -836,6 +1048,45 @@ class _SettingsScreenState extends State<SettingsScreen> {
               trailing: const Icon(Icons.chevron_right),
               onTap: _showRouteHashSizeDialog,
             ),
+            Consumer<AppProvider>(
+              builder: (context, appProvider, child) => SwitchListTile(
+                secondary: const Icon(Icons.swap_horiz),
+                title: const Text('Auto route rotation'),
+                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: const Icon(Icons.route),
+                title: const Text('Nearest repeater fallback'),
+                subtitle: const Text(
+                  'After normal retries fail, try one final resend through the nearest repeater',
+                ),
+                value: appProvider.nearestRelayFallbackEnabled,
+                onChanged: (value) async {
+                  await appProvider.toggleNearestRelayFallbackEnabled(value);
+                },
+              ),
+            ),
+            Consumer<AppProvider>(
+              builder: (context, appProvider, child) => SwitchListTile(
+                secondary: const Icon(Icons.route),
+                title: const Text('Clear path on max retry'),
+                subtitle: const Text(
+                  'Clear the route only after all retries and final router fallback fail',
+                ),
+                value: appProvider.clearPathOnMaxRetry,
+                onChanged: (value) async {
+                  await appProvider.toggleClearPathOnMaxRetry(value);
+                },
+              ),
+            ),
             ListTile(
               leading: const Icon(Icons.delete_sweep, color: Colors.red),
               title: const Text(
@@ -845,6 +1096,63 @@ class _SettingsScreenState extends State<SettingsScreen> {
               subtitle: const Text('Delete all stored message history'),
               onTap: _clearMessages,
             ),
+            Consumer<AppProvider>(
+              builder: (context, appProvider, child) => ListTile(
+                leading: const Icon(Icons.format_size),
+                title: const Text('Message font size'),
+                subtitle: Text(
+                  '${(appProvider.messageFontScale * 100).round()}% of default',
+                ),
+                trailing: SizedBox(
+                  width: 150,
+                  child: Slider(
+                    value: appProvider.messageFontScale,
+                    min: 0.85,
+                    max: 1.4,
+                    divisions: 11,
+                    label: '${(appProvider.messageFontScale * 100).round()}%',
+                    onChanged: (value) {
+                      appProvider.setMessageFontScale(value);
+                    },
+                  ),
+                ),
+              ),
+            ),
+          ]),
+
+          _buildSectionHeader('Tracing'),
+          _buildSettingsCard([
+            ListTile(
+              leading: const Icon(Icons.cloud_sync),
+              title: const Text('Online trace database'),
+              subtitle: Text(_onlineTraceCacheSubtitle()),
+            ),
+            ListTile(
+              leading: Icon(
+                Icons.delete_sweep,
+                color: _isClearingOnlineTraceCache ? null : Colors.red,
+              ),
+              title: Text(
+                'Clear online trace database',
+                style: TextStyle(
+                  color: _isClearingOnlineTraceCache ? null : Colors.red,
+                ),
+              ),
+              subtitle: const Text(
+                'Remove the 24-hour cached fallback used when local route matches are incomplete',
+              ),
+              enabled: !_isClearingOnlineTraceCache,
+              trailing: _isClearingOnlineTraceCache
+                  ? const SizedBox(
+                      width: 18,
+                      height: 18,
+                      child: CircularProgressIndicator(strokeWidth: 2),
+                    )
+                  : null,
+              onTap: _isClearingOnlineTraceCache
+                  ? null
+                  : _clearOnlineTraceCache,
+            ),
           ]),
 
           _buildSectionHeader('Voice'),
@@ -1013,11 +1321,38 @@ class _SettingsScreenState extends State<SettingsScreen> {
             ),
           ]),
 
-          _buildSectionHeader('Network Sharing'),
+          if (!kIsWeb) ...[
-          const ConnectionModeSelector(),
+            _buildSectionHeader('Network Sharing'),
+            const ConnectionModeSelector(),
+          ],
 
           _buildSectionHeader(AppLocalizations.of(context)!.permissionsSection),
           _buildSettingsCard([
+            SwitchListTile(
+              secondary: const Icon(Icons.gps_fixed),
+              title: const Text('Fast private GPS updates'),
+              subtitle: const Text(
+                'Use private zero-hop updates while moving significantly or while actively using map/messages.',
+              ),
+              value: _fastLocationUpdatesEnabled,
+              onChanged: _setFastLocationUpdatesEnabled,
+            ),
+            ListTile(
+              leading: const Icon(Icons.straighten),
+              title: const Text('Movement threshold'),
+              subtitle: Text(
+                '${_fastLocationMovementThresholdMeters.toStringAsFixed(0)} m',
+              ),
+              trailing: const Icon(Icons.chevron_right),
+              onTap: _editFastLocationMovementThreshold,
+            ),
+            ListTile(
+              leading: const Icon(Icons.timer),
+              title: const Text('Active-use update interval'),
+              subtitle: Text('$_fastLocationActiveCadenceSeconds s'),
+              trailing: const Icon(Icons.chevron_right),
+              onTap: _editFastLocationActiveCadence,
+            ),
             ListTile(
               leading: const Icon(Icons.location_on),
               title: Text(AppLocalizations.of(context)!.locationPermission),
@@ -1079,6 +1414,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
                     ? '${_packageInfo!.version} (${_packageInfo!.buildNumber})'
                     : 'Loading...',
               ),
+              onTap: _handleVersionTap,
             ),
             ListTile(
               leading: const Icon(Icons.badge),
@@ -1094,7 +1430,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
               onTap: () => _showAboutDialog(),
             ),
           ]),
-          if (Platform.isAndroid)
+          if (!kIsWeb && defaultTargetPlatform == TargetPlatform.android)
             Padding(
               padding: const EdgeInsets.only(top: 8),
               child: FilledButton.icon(

lib/screens/welcome_wizard_screen.dart

@@ -1,6 +1,9 @@
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 import '../l10n/app_localizations.dart';
+import '../providers/connection_provider.dart';
 import '../services/wizard_preferences.dart';
+import '../widgets/connection_dialog.dart';
 
 /// Welcome wizard screen to introduce new users to the app
 class WelcomeWizardScreen extends StatefulWidget {
@@ -14,12 +17,171 @@ class WelcomeWizardScreen extends StatefulWidget {
 
 class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
   final PageController _pageController = PageController();
+  final TextEditingController _deviceNameController = TextEditingController();
   int _currentPage = 0;
+  bool _isApplyingDeviceSetup = false;
   static const int _totalPages = 6;
+  static const List<_RadioPreset> _radioPresets = [
+    // Official MeshCore config presets from https://api.meshcore.nz/api/v1/config
+    _RadioPreset(
+      id: 'australia',
+      label: 'Australia',
+      summary: '915.800 MHz, BW 250 kHz, SF10, CR5',
+      frequencyKhz: 915800,
+      bandwidth: 8,
+      spreadingFactor: 10,
+      codingRate: 5,
+    ),
+    _RadioPreset(
+      id: 'australia_narrow',
+      label: 'Australia (Narrow)',
+      summary: '916.575 MHz, BW 62.5 kHz, SF7, CR8',
+      frequencyKhz: 916575,
+      bandwidth: 6,
+      spreadingFactor: 7,
+      codingRate: 8,
+    ),
+    _RadioPreset(
+      id: 'australia_sa_wa',
+      label: 'Australia: SA, WA',
+      summary: '923.125 MHz, BW 62.5 kHz, SF8, CR8',
+      frequencyKhz: 923125,
+      bandwidth: 6,
+      spreadingFactor: 8,
+      codingRate: 8,
+    ),
+    _RadioPreset(
+      id: 'australia_qld',
+      label: 'Australia: QLD',
+      summary: '923.125 MHz, BW 62.5 kHz, SF8, CR5',
+      frequencyKhz: 923125,
+      bandwidth: 6,
+      spreadingFactor: 8,
+      codingRate: 5,
+    ),
+    _RadioPreset(
+      id: 'eu_uk_narrow',
+      label: 'EU/UK (Narrow)',
+      summary: '869.618 MHz, BW 62.5 kHz, SF8, CR8',
+      frequencyKhz: 869618,
+      bandwidth: 6,
+      spreadingFactor: 8,
+      codingRate: 8,
+    ),
+    _RadioPreset(
+      id: 'eu_uk_deprecated',
+      label: 'EU/UK (Deprecated)',
+      summary: '869.525 MHz, BW 250 kHz, SF11, CR5',
+      frequencyKhz: 869525,
+      bandwidth: 8,
+      spreadingFactor: 11,
+      codingRate: 5,
+    ),
+    _RadioPreset(
+      id: 'czech_republic_narrow',
+      label: 'Czech Republic (Narrow)',
+      summary: '869.432 MHz, BW 62.5 kHz, SF7, CR5',
+      frequencyKhz: 869432,
+      bandwidth: 6,
+      spreadingFactor: 7,
+      codingRate: 5,
+    ),
+    _RadioPreset(
+      id: 'eu_433_long_range',
+      label: 'EU 433MHz (Long Range)',
+      summary: '433.650 MHz, BW 250 kHz, SF11, CR5',
+      frequencyKhz: 433650,
+      bandwidth: 8,
+      spreadingFactor: 11,
+      codingRate: 5,
+    ),
+    _RadioPreset(
+      id: 'new_zealand',
+      label: 'New Zealand',
+      summary: '917.375 MHz, BW 250 kHz, SF11, CR5',
+      frequencyKhz: 917375,
+      bandwidth: 8,
+      spreadingFactor: 11,
+      codingRate: 5,
+    ),
+    _RadioPreset(
+      id: 'new_zealand_narrow',
+      label: 'New Zealand (Narrow)',
+      summary: '917.375 MHz, BW 62.5 kHz, SF7, CR5',
+      frequencyKhz: 917375,
+      bandwidth: 6,
+      spreadingFactor: 7,
+      codingRate: 5,
+    ),
+    _RadioPreset(
+      id: 'portugal_433',
+      label: 'Portugal 433',
+      summary: '433.375 MHz, BW 62.5 kHz, SF9, CR6',
+      frequencyKhz: 433375,
+      bandwidth: 6,
+      spreadingFactor: 9,
+      codingRate: 6,
+    ),
+    _RadioPreset(
+      id: 'portugal_868',
+      label: 'Portugal 868',
+      summary: '869.618 MHz, BW 62.5 kHz, SF7, CR6',
+      frequencyKhz: 869618,
+      bandwidth: 6,
+      spreadingFactor: 7,
+      codingRate: 6,
+    ),
+    _RadioPreset(
+      id: 'switzerland',
+      label: 'Switzerland',
+      summary: '869.618 MHz, BW 62.5 kHz, SF8, CR8',
+      frequencyKhz: 869618,
+      bandwidth: 6,
+      spreadingFactor: 8,
+      codingRate: 8,
+    ),
+    _RadioPreset(
+      id: 'usa_canada_recommended',
+      label: 'USA/Canada (Recommended)',
+      summary: '910.525 MHz, BW 62.5 kHz, SF7, CR5',
+      frequencyKhz: 910525,
+      bandwidth: 6,
+      spreadingFactor: 7,
+      codingRate: 5,
+    ),
+    _RadioPreset(
+      id: 'vietnam_narrow',
+      label: 'Vietnam (Narrow)',
+      summary: '920.250 MHz, BW 62.5 kHz, SF8, CR5',
+      frequencyKhz: 920250,
+      bandwidth: 6,
+      spreadingFactor: 8,
+      codingRate: 5,
+    ),
+    _RadioPreset(
+      id: 'vietnam_deprecated',
+      label: 'Vietnam (Deprecated)',
+      summary: '920.250 MHz, BW 250 kHz, SF11, CR5',
+      frequencyKhz: 920250,
+      bandwidth: 8,
+      spreadingFactor: 11,
+      codingRate: 5,
+    ),
+  ];
+  _RadioPreset _selectedPreset = _radioPresets[4];
+
+  @override
+  void initState() {
+    super.initState();
+    final deviceInfo = context.read<ConnectionProvider>().deviceInfo;
+    _deviceNameController.text =
+        deviceInfo.selfName ?? deviceInfo.deviceName ?? '';
+  }
 
   @override
   void dispose() {
     _pageController.dispose();
+    _deviceNameController.dispose();
     super.dispose();
   }
 
@@ -30,7 +192,9 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
   }
 
   void _nextPage() {
-    if (_currentPage < _totalPages - 1) {
+    if (_currentPage == 1) {
+      _handleDeviceSetupAction();
+    } else if (_currentPage < _totalPages - 1) {
       _pageController.nextPage(
         duration: const Duration(milliseconds: 300),
         curve: Curves.easeInOut,
@@ -56,6 +220,98 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
     }
   }
 
+  Future<void> _openConnectionDialog() async {
+    await showModalBottomSheet(
+      context: context,
+      isScrollControlled: true,
+      builder: (context) => const ConnectionDialog(),
+    );
+    if (!mounted) return;
+    final connectionProvider = context.read<ConnectionProvider>();
+    if (connectionProvider.deviceInfo.isConnected) {
+      await connectionProvider.refreshDeviceInfo();
+    }
+    if (!mounted) return;
+    final deviceInfo = connectionProvider.deviceInfo;
+    final fetchedName = deviceInfo.selfName ?? deviceInfo.deviceName ?? '';
+    if (fetchedName.isNotEmpty) {
+      setState(() {
+        _deviceNameController.text = fetchedName;
+      });
+    } else {
+      setState(() {});
+    }
+  }
+
+  Future<void> _handleDeviceSetupAction() async {
+    final l10n = AppLocalizations.of(context)!;
+    final connectionProvider = context.read<ConnectionProvider>();
+    final deviceInfo = connectionProvider.deviceInfo;
+    if (!deviceInfo.isConnected) {
+      await _openConnectionDialog();
+      return;
+    }
+
+    final trimmedName = _deviceNameController.text.trim();
+    if (trimmedName.isEmpty) {
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(SnackBar(content: Text(l10n.wizardEnterDeviceName)));
+      return;
+    }
+
+    setState(() {
+      _isApplyingDeviceSetup = true;
+    });
+
+    try {
+      await connectionProvider.setAdvertName(trimmedName);
+      await connectionProvider.setRadioParams(
+        frequency: _selectedPreset.frequencyKhz,
+        bandwidth: _selectedPreset.bandwidth,
+        spreadingFactor: _selectedPreset.spreadingFactor,
+        codingRate: _selectedPreset.codingRate,
+      );
+      await connectionProvider.refreshDeviceInfo();
+
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(
+            l10n.wizardDeviceSetupSaved(trimmedName, _selectedPreset.label),
+          ),
+          backgroundColor: Colors.green,
+        ),
+      );
+      _pageController.nextPage(
+        duration: const Duration(milliseconds: 300),
+        curve: Curves.easeInOut,
+      );
+    } catch (e) {
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(l10n.failedToSave(e.toString())),
+          backgroundColor: Colors.red,
+        ),
+      );
+    } finally {
+      if (mounted) {
+        setState(() {
+          _isApplyingDeviceSetup = false;
+        });
+      }
+    }
+  }
+
+  void _skipDeviceSetupStep() {
+    if (_isApplyingDeviceSetup) return;
+    _pageController.nextPage(
+      duration: const Duration(milliseconds: 300),
+      curve: Curves.easeInOut,
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
@@ -68,7 +324,7 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
           children: [
             // Top bar with skip button
             Padding(
-              padding: const EdgeInsets.all(16.0),
+              padding: const EdgeInsets.fromLTRB(16, 12, 16, 8),
               child: Row(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
                 children: [
@@ -96,10 +352,11 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
               child: PageView(
                 controller: _pageController,
                 onPageChanged: _onPageChanged,
+                physics: const NeverScrollableScrollPhysics(),
                 children: [
                   _buildWelcomePage(context, l10n, colorScheme),
+                  _buildConnectDevicePage(context, l10n, colorScheme),
                   _buildConnectingPage(context, l10n, colorScheme),
-                  _buildSimpleModePage(context, l10n, colorScheme),
                   _buildChannelPage(context, l10n, colorScheme),
                   _buildContactsPage(context, l10n, colorScheme),
                   _buildMapPage(context, l10n, colorScheme),
@@ -109,7 +366,7 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
 
             // Page indicators
             Padding(
-              padding: const EdgeInsets.all(16.0),
+              padding: const EdgeInsets.fromLTRB(16, 8, 16, 8),
               child: Row(
                 mainAxisAlignment: MainAxisAlignment.center,
                 children: List.generate(
@@ -131,11 +388,11 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
 
             // Next/Get Started button
             Padding(
-              padding: const EdgeInsets.all(16.0),
+              padding: const EdgeInsets.fromLTRB(16, 8, 16, 16),
               child: SizedBox(
                 width: double.infinity,
                 child: ElevatedButton(
-                  onPressed: _nextPage,
+                  onPressed: _isApplyingDeviceSetup ? null : _nextPage,
                   style: ElevatedButton.styleFrom(
                     padding: const EdgeInsets.symmetric(vertical: 16.0),
                     shape: RoundedRectangleBorder(
@@ -143,7 +400,9 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
                     ),
                   ),
                   child: Text(
-                    _currentPage < _totalPages - 1
+                    _currentPage == 1
+                        ? _deviceSetupButtonLabel(context)
+                        : _currentPage < _totalPages - 1
                         ? l10n.wizardNext
                         : l10n.wizardGetStarted,
                     style: const TextStyle(fontSize: 16),
@@ -166,7 +425,21 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
       icon: Icons.waving_hand,
       iconColor: Colors.orange,
       title: l10n.wizardWelcomeTitle,
-      description: l10n.wizardWelcomeDescription,
+      description: l10n.wizardOverviewDescription,
+      features: [
+        _FeatureItem(
+          icon: Icons.chat_bubble_outline,
+          text: l10n.wizardOverviewFeature1,
+        ),
+        _FeatureItem(
+          icon: Icons.emergency_share,
+          text: l10n.wizardOverviewFeature2,
+        ),
+        _FeatureItem(
+          icon: Icons.settings_input_antenna,
+          text: l10n.wizardOverviewFeature3,
+        ),
+      ],
       colorScheme: colorScheme,
     );
   }
@@ -177,75 +450,225 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
     ColorScheme colorScheme,
   ) {
     return _buildPage(
-      icon: Icons.bluetooth_searching,
+      icon: Icons.forum_rounded,
       iconColor: Colors.blue,
-      title: l10n.wizardConnectingTitle,
+      title: l10n.wizardMessagingTitle,
-      description: l10n.wizardConnectingDescription,
+      description: l10n.wizardMessagingDescription,
       features: [
-        _FeatureItem(
+        _FeatureItem(icon: Icons.chat, text: l10n.wizardMessagingFeature1),
-          icon: Icons.radio,
+        _FeatureItem(icon: Icons.campaign, text: l10n.wizardMessagingFeature2),
-          text: l10n.wizardConnectingFeature1,
+        _FeatureItem(icon: Icons.mic, text: l10n.wizardMessagingFeature3),
-        ),
-        _FeatureItem(
-          icon: Icons.link,
-          text: l10n.wizardConnectingFeature2,
-        ),
-        _FeatureItem(
-          icon: Icons.wifi_off,
-          text: l10n.wizardConnectingFeature3,
-        ),
       ],
       colorScheme: colorScheme,
     );
   }
 
-  Widget _buildSimpleModePage(
+  Widget _buildConnectDevicePage(
     BuildContext context,
     AppLocalizations l10n,
     ColorScheme colorScheme,
   ) {
-    return _buildPage(
+    final connectionProvider = context.watch<ConnectionProvider>();
-      icon: Icons.toggle_on,
+    final deviceInfo = connectionProvider.deviceInfo;
-      iconColor: Colors.green,
+    final isConnected = deviceInfo.isConnected;
-      title: l10n.wizardSimpleModeTitle,
+    final connectedName = deviceInfo.selfName ?? deviceInfo.deviceName;
-      description: l10n.wizardSimpleModeDescription,
+
-      features: [
+    return LayoutBuilder(
-        _FeatureItem(
+      builder: (context, constraints) => Center(
-          icon: Icons.check_circle_outline,
+        child: ConstrainedBox(
-          text: l10n.wizardSimpleModeFeature1,
+          constraints: BoxConstraints(
+            maxWidth: 600,
+            maxHeight: constraints.maxHeight,
+          ),
+          child: Padding(
+            padding: const EdgeInsets.fromLTRB(20, 12, 20, 12),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                _buildPageHeader(
+                  context: context,
+                  colorScheme: colorScheme,
+                  icon: Icons.bluetooth_connected,
+                  iconColor: Colors.green,
+                  title: l10n.wizardConnectDeviceTitle,
+                  description: l10n.wizardConnectDeviceDescription,
+                  badge: l10n.wizardSetupBadge,
+                ),
+                const SizedBox(height: 16),
+                _buildContentCard(
+                  colorScheme: colorScheme,
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.stretch,
+                    children: [
+                      Row(
+                        children: [
+                          Icon(
+                            isConnected
+                                ? Icons.check_circle
+                                : Icons.bluetooth_searching,
+                            color: isConnected
+                                ? colorScheme.primary
+                                : colorScheme.onSurfaceVariant,
+                          ),
+                          const SizedBox(width: 12),
+                          Expanded(
+                            child: Text(
+                              isConnected
+                                  ? l10n.wizardConnectedToDevice(
+                                      connectedName ?? l10n.device,
+                                    )
+                                  : l10n.wizardNoDeviceConnected,
+                              style: Theme.of(context).textTheme.bodyMedium
+                                  ?.copyWith(fontWeight: FontWeight.w600),
+                            ),
+                          ),
+                          TextButton(
+                            onPressed: _openConnectionDialog,
+                            child: Text(
+                              isConnected ? l10n.change : l10n.connect,
+                            ),
+                          ),
+                        ],
+                      ),
+                      Align(
+                        alignment: Alignment.centerRight,
+                        child: TextButton(
+                          onPressed: _skipDeviceSetupStep,
+                          child: Text(l10n.wizardSkipForNow),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+                const SizedBox(height: 12),
+                _buildContentCard(
+                  colorScheme: colorScheme,
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.stretch,
+                    children: [
+                      TextField(
+                        controller: _deviceNameController,
+                        textInputAction: TextInputAction.done,
+                        decoration: InputDecoration(
+                          labelText: l10n.wizardDeviceNameLabel,
+                          border: OutlineInputBorder(),
+                          helperText: l10n.wizardDeviceNameHelp,
+                        ),
+                      ),
+                      const SizedBox(height: 12),
+                      DropdownButtonFormField<_RadioPreset>(
+                        initialValue: _selectedPreset,
+                        isExpanded: true,
+                        decoration: InputDecoration(
+                          labelText: l10n.wizardConfigRegionLabel,
+                          border: OutlineInputBorder(),
+                          helperText: l10n.wizardConfigRegionHelp,
+                        ),
+                        items: _radioPresets
+                            .map(
+                              (preset) => DropdownMenuItem<_RadioPreset>(
+                                value: preset,
+                                child: Text(
+                                  preset.label,
+                                  overflow: TextOverflow.ellipsis,
+                                ),
+                              ),
+                            )
+                            .toList(),
+                        onChanged: (preset) {
+                          if (preset == null) return;
+                          setState(() {
+                            _selectedPreset = preset;
+                          });
+                        },
+                      ),
+                    ],
+                  ),
+                ),
+                const SizedBox(height: 16),
+                _buildContentCard(
+                  colorScheme: colorScheme,
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        _selectedPreset.label,
+                        style: Theme.of(context).textTheme.titleMedium
+                            ?.copyWith(fontWeight: FontWeight.w700),
+                      ),
+                      const SizedBox(height: 4),
+                      Text(
+                        _selectedPreset.summary,
+                        style: Theme.of(context).textTheme.bodyMedium,
+                      ),
+                      const SizedBox(height: 14),
+                      ...[
+                        _FeatureItem(
+                          icon: Icons.rule,
+                          text: l10n.wizardPresetNote1,
+                        ),
+                        _FeatureItem(
+                          icon: Icons.settings_input_antenna,
+                          text: l10n.wizardPresetNote2,
+                        ),
+                        _FeatureItem(
+                          icon: Icons.public,
+                          text: l10n.wizardPresetNote3,
+                        ),
+                      ].map(
+                        (feature) => Padding(
+                          padding: const EdgeInsets.symmetric(vertical: 5),
+                          child: _buildFeatureRow(
+                            context,
+                            colorScheme,
+                            feature,
+                            iconSize: 20,
+                            gap: 12,
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+          ),
         ),
-        _FeatureItem(
+      ),
-          icon: Icons.settings,
-          text: l10n.wizardSimpleModeFeature2,
-        ),
-      ],
-      colorScheme: colorScheme,
     );
   }
 
+  String _deviceSetupButtonLabel(BuildContext context) {
+    final isConnected = context
+        .watch<ConnectionProvider>()
+        .deviceInfo
+        .isConnected;
+    if (_isApplyingDeviceSetup) {
+      return AppLocalizations.of(context)!.wizardSaving;
+    }
+    final l10n = AppLocalizations.of(context)!;
+    return isConnected
+        ? l10n.wizardSaveAndContinue
+        : l10n.wizardConnectDeviceTitle;
+  }
+
   Widget _buildChannelPage(
     BuildContext context,
     AppLocalizations l10n,
     ColorScheme colorScheme,
   ) {
     return _buildPage(
-      icon: Icons.campaign,
+      icon: Icons.groups_rounded,
       iconColor: Colors.purple,
-      title: l10n.wizardChannelTitle,
+      title: l10n.wizardNetworkTitle,
-      description: l10n.wizardChannelDescription,
+      description: l10n.wizardNetworkDescription,
       features: [
         _FeatureItem(
-          icon: Icons.public,
+          icon: Icons.person_add_alt_1,
-          text: l10n.wizardChannelFeature1,
+          text: l10n.wizardNetworkFeature1,
-        ),
-        _FeatureItem(
-          icon: Icons.groups,
-          text: l10n.wizardChannelFeature2,
-        ),
-        _FeatureItem(
-          icon: Icons.send,
-          text: l10n.wizardChannelFeature3,
         ),
+        _FeatureItem(icon: Icons.route, text: l10n.wizardNetworkFeature2),
+        _FeatureItem(icon: Icons.hub, text: l10n.wizardNetworkFeature3),
       ],
       colorScheme: colorScheme,
     );
@@ -257,23 +680,14 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
     ColorScheme colorScheme,
   ) {
     return _buildPage(
-      icon: Icons.people,
+      icon: Icons.map_rounded,
       iconColor: Colors.teal,
-      title: l10n.wizardContactsTitle,
+      title: l10n.wizardMapOpsTitle,
-      description: l10n.wizardContactsDescription,
+      description: l10n.wizardMapOpsDescription,
       features: [
-        _FeatureItem(
+        _FeatureItem(icon: Icons.location_on, text: l10n.wizardMapOpsFeature1),
-          icon: Icons.person_add,
+        _FeatureItem(icon: Icons.draw, text: l10n.wizardMapOpsFeature2),
-          text: l10n.wizardContactsFeature1,
+        _FeatureItem(icon: Icons.router, text: l10n.wizardMapOpsFeature3),
-        ),
-        _FeatureItem(
-          icon: Icons.chat,
-          text: l10n.wizardContactsFeature2,
-        ),
-        _FeatureItem(
-          icon: Icons.battery_std,
-          text: l10n.wizardContactsFeature3,
-        ),
       ],
       colorScheme: colorScheme,
     );
@@ -285,26 +699,16 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
     ColorScheme colorScheme,
   ) {
     return _buildPage(
-      icon: Icons.map,
+      icon: Icons.tune_rounded,
       iconColor: Colors.red,
-      title: l10n.wizardMapTitle,
+      title: l10n.wizardToolsTitle,
-      description: l10n.wizardMapDescription,
+      description: l10n.wizardToolsDescription,
       features: [
+        _FeatureItem(icon: Icons.settings, text: l10n.wizardToolsFeature1),
+        _FeatureItem(icon: Icons.sensors, text: l10n.wizardToolsFeature2),
         _FeatureItem(
-          icon: Icons.location_on,
+          icon: Icons.analytics_outlined,
-          text: l10n.wizardMapFeature1,
+          text: l10n.wizardToolsFeature3,
-        ),
-        _FeatureItem(
-          icon: Icons.person_pin_circle,
-          text: l10n.wizardMapFeature2,
-        ),
-        _FeatureItem(
-          icon: Icons.offline_pin,
-          text: l10n.wizardMapFeature3,
-        ),
-        _FeatureItem(
-          icon: Icons.draw,
-          text: l10n.wizardMapFeature4,
         ),
       ],
       colorScheme: colorScheme,
@@ -319,76 +723,149 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
     List<_FeatureItem>? features,
     required ColorScheme colorScheme,
   }) {
-    return SingleChildScrollView(
+    final l10n = AppLocalizations.of(context)!;
-      padding: const EdgeInsets.all(24.0),
+    return LayoutBuilder(
-      child: Column(
+      builder: (context, constraints) => Center(
-        mainAxisAlignment: MainAxisAlignment.center,
+        child: ConstrainedBox(
-        children: [
+          constraints: BoxConstraints(
-          const SizedBox(height: 20),
+            maxWidth: 560,
-          // Icon
+            maxHeight: constraints.maxHeight,
-          Container(
-            padding: const EdgeInsets.all(24.0),
-            decoration: BoxDecoration(
-              color: iconColor.withValues(alpha: 0.1),
-              shape: BoxShape.circle,
-            ),
-            child: Icon(
-              icon,
-              size: 80,
-              color: iconColor,
-            ),
           ),
-          const SizedBox(height: 32),
+          child: Padding(
-          // Title
+            padding: const EdgeInsets.fromLTRB(20, 12, 20, 12),
-          Text(
+            child: Column(
-            title,
+              mainAxisAlignment: MainAxisAlignment.center,
-            style: Theme.of(context).textTheme.headlineMedium?.copyWith(
+              children: [
-                  fontWeight: FontWeight.bold,
+                _buildPageHeader(
-                  color: colorScheme.onSurface,
+                  context: context,
+                  colorScheme: colorScheme,
+                  icon: icon,
+                  iconColor: iconColor,
+                  title: title,
+                  description: description,
+                  badge: l10n.wizardOverviewBadge,
                 ),
-            textAlign: TextAlign.center,
+                if (features != null && features.isNotEmpty) ...[
-          ),
+                  const SizedBox(height: 18),
-          const SizedBox(height: 16),
+                  _buildContentCard(
-          // Description
+                    colorScheme: colorScheme,
-          Text(
+                    child: Column(
-            description,
+                      children: features
-            style: Theme.of(context).textTheme.bodyLarge?.copyWith(
+                          .map(
-                  color: colorScheme.onSurface.withValues(alpha: 0.7),
+                            (feature) => Padding(
-                  height: 1.5,
+                              padding: const EdgeInsets.symmetric(vertical: 7),
-                ),
+                              child: _buildFeatureRow(
-            textAlign: TextAlign.center,
+                                context,
-          ),
+                                colorScheme,
-          if (features != null && features.isNotEmpty) ...[
+                                feature,
-            const SizedBox(height: 32),
+                              ),
-            // Features list
+                            ),
-            ...features.map((feature) => Padding(
+                          )
-                  padding: const EdgeInsets.symmetric(vertical: 8.0),
+                          .toList(),
-                  child: Row(
+                    ),
-                    children: [
-                      Icon(
-                        feature.icon,
-                        color: colorScheme.primary,
-                        size: 24,
-                      ),
-                      const SizedBox(width: 16),
-                      Expanded(
-                        child: Text(
-                          feature.text,
-                          style:
-                              Theme.of(context).textTheme.bodyMedium?.copyWith(
-                                    color: colorScheme.onSurface,
-                                  ),
-                        ),
-                      ),
-                    ],
                   ),
-                )),
+                ],
-          ],
+              ],
-          const SizedBox(height: 20),
+            ),
-        ],
+          ),
+        ),
       ),
     );
   }
+
+  Widget _buildPageHeader({
+    required BuildContext context,
+    required ColorScheme colorScheme,
+    required IconData icon,
+    required Color iconColor,
+    required String title,
+    required String description,
+    required String badge,
+  }) {
+    return Column(
+      children: [
+        Container(
+          padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
+          decoration: BoxDecoration(
+            color: colorScheme.secondaryContainer,
+            borderRadius: BorderRadius.circular(999),
+          ),
+          child: Text(
+            badge,
+            style: Theme.of(context).textTheme.labelLarge?.copyWith(
+              color: colorScheme.onSecondaryContainer,
+              fontWeight: FontWeight.w700,
+            ),
+          ),
+        ),
+        const SizedBox(height: 12),
+        Container(
+          padding: const EdgeInsets.all(18),
+          decoration: BoxDecoration(
+            color: iconColor.withValues(alpha: 0.1),
+            shape: BoxShape.circle,
+          ),
+          child: Icon(icon, size: 56, color: iconColor),
+        ),
+        const SizedBox(height: 18),
+        Text(
+          title,
+          style: Theme.of(context).textTheme.headlineSmall?.copyWith(
+            fontWeight: FontWeight.bold,
+            color: colorScheme.onSurface,
+          ),
+          textAlign: TextAlign.center,
+        ),
+        const SizedBox(height: 10),
+        Text(
+          description,
+          style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+            color: colorScheme.onSurface.withValues(alpha: 0.72),
+            height: 1.4,
+          ),
+          textAlign: TextAlign.center,
+        ),
+      ],
+    );
+  }
+
+  Widget _buildContentCard({
+    required ColorScheme colorScheme,
+    required Widget child,
+  }) {
+    return Container(
+      padding: const EdgeInsets.all(16),
+      decoration: BoxDecoration(
+        color: colorScheme.surfaceContainerHighest,
+        borderRadius: BorderRadius.circular(18),
+      ),
+      child: child,
+    );
+  }
+
+  Widget _buildFeatureRow(
+    BuildContext context,
+    ColorScheme colorScheme,
+    _FeatureItem feature, {
+    double iconSize = 22,
+    double gap = 14,
+  }) {
+    return Row(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Icon(feature.icon, color: colorScheme.primary, size: iconSize),
+        SizedBox(width: gap),
+        Expanded(
+          child: Text(
+            feature.text,
+            style: Theme.of(
+              context,
+            ).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurface),
+          ),
+        ),
+      ],
+    );
+  }
 }
 
 class _FeatureItem {
@@ -397,3 +874,23 @@ class _FeatureItem {
 
   _FeatureItem({required this.icon, required this.text});
 }
+
+class _RadioPreset {
+  final String id;
+  final String label;
+  final String summary;
+  final int frequencyKhz;
+  final int bandwidth;
+  final int spreadingFactor;
+  final int codingRate;
+
+  const _RadioPreset({
+    required this.id,
+    required this.label,
+    required this.summary,
+    required this.frequencyKhz,
+    required this.bandwidth,
+    required this.spreadingFactor,
+    required this.codingRate,
+  });
+}

lib/services/background_location_service.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:io';
 import 'package:flutter/widgets.dart';
 import 'package:geolocator/geolocator.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -58,6 +59,16 @@ class BackgroundLocationService {
       return false;
     }
 
+    if (Platform.isIOS && permission != LocationPermission.always) {
+      permission = await Geolocator.requestPermission();
+      if (permission != LocationPermission.always) {
+        debugPrint(
+          '⚠️ [BackgroundLocation] iOS background tracking requires Always permission',
+        );
+        return false;
+      }
+    }
+
     // Save settings
     final prefs = await SharedPreferences.getInstance();
     await prefs.setBool(_prefKeyEnabled, true);
@@ -68,8 +79,7 @@ class BackgroundLocationService {
     try {
       _positionSubscription =
           Geolocator.getPositionStream(
-            locationSettings: LocationSettings(
+            locationSettings: _buildLocationSettings(
-              accuracy: LocationAccuracy.best,
               distanceFilter: distanceThreshold.toInt(),
             ),
           ).listen((Position position) async {
@@ -171,4 +181,22 @@ class BackgroundLocationService {
       await startTracking(distanceThreshold: distance);
     }
   }
+
+  LocationSettings _buildLocationSettings({int distanceFilter = 10}) {
+    if (Platform.isIOS) {
+      return AppleSettings(
+        accuracy: LocationAccuracy.best,
+        activityType: ActivityType.fitness,
+        allowBackgroundLocationUpdates: true,
+        distanceFilter: distanceFilter,
+        pauseLocationUpdatesAutomatically: false,
+        showBackgroundLocationIndicator: true,
+      );
+    }
+
+    return LocationSettings(
+      accuracy: LocationAccuracy.best,
+      distanceFilter: distanceFilter,
+    );
+  }
 }

lib/services/build_info_service.dart

@@ -1,6 +1,5 @@
-import 'dart:io' show Platform;
+import 'package:flutter/foundation.dart' show TargetPlatform, defaultTargetPlatform, debugPrint, kIsWeb;
 import 'package:flutter/services.dart';
-import 'package:flutter/foundation.dart';
 
 /// Service for accessing build information from native platform code
 /// Currently supports Android only - returns "unknown" for other platforms
@@ -25,7 +24,7 @@ class BuildInfoService {
     }
 
     // Only Android has the platform channel implementation
-    if (!Platform.isAndroid) {
+    if (kIsWeb || defaultTargetPlatform != TargetPlatform.android) {
       debugPrint('[BuildInfoService] Not on Android platform, returning "unknown"');
       _cachedCommitHash = 'unknown';
       return _cachedCommitHash!;

lib/services/developer_mode_service.dart

@@ -0,0 +1,15 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
+class DeveloperModeService {
+  static const String _developerModeKey = 'developer_mode_enabled';
+
+  static Future<bool> isEnabled() async {
+    final prefs = await SharedPreferences.getInstance();
+    return prefs.getBool(_developerModeKey) ?? false;
+  }
+
+  static Future<void> setEnabled(bool enabled) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool(_developerModeKey, enabled);
+  }
+}

lib/services/locale_preferences.dart

@@ -15,6 +15,10 @@ class LocalePreferences {
     Locale('fr'), // French
     Locale('it'), // Italian
     Locale('el'), // Greek
+    Locale('pt'), // Portuguese
+    Locale('tr'), // Turkish
+    Locale('pl'), // Polish
+    Locale('uk'), // Ukrainian
     Locale('ru'), // Russian
     Locale('zh'), // Chinese
   ];
@@ -66,6 +70,14 @@ class LocalePreferences {
         return 'Italiano';
       case 'el':
         return 'Greek';
+      case 'pt':
+        return 'Portuguese';
+      case 'tr':
+        return 'Turkish';
+      case 'pl':
+        return 'Polish';
+      case 'uk':
+        return 'Ukrainian';
       case 'ru':
         return 'Русский';
       case 'zh':
@@ -94,6 +106,14 @@ class LocalePreferences {
         return 'Italiano';
       case 'el':
         return 'Ελληνικά';
+      case 'pt':
+        return 'Português';
+      case 'tr':
+        return 'Türkçe';
+      case 'pl':
+        return 'Polski';
+      case 'uk':
+        return 'Українська';
       case 'ru':
         return 'Русский';
       case 'zh':

lib/services/location_tracking_service.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:io';
 import 'package:flutter/foundation.dart';
 import 'package:geolocator/geolocator.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -41,6 +42,12 @@ class LocationTrackingService {
   static const String _prefKeyGpsUpdateDistance = 'map_gps_update_distance';
   static const String _prefKeyLastLat = 'background_last_lat';
   static const String _prefKeyLastLon = 'background_last_lon';
+  static const String _prefKeyFastLocationEnabled =
+      'fast_location_updates_enabled';
+  static const String _prefKeyFastMovementThreshold =
+      'fast_location_movement_threshold_meters';
+  static const String _prefKeyFastActiveCadence =
+      'fast_location_active_cadence_seconds';
 
   // ============================================================================
   // Configuration Properties
@@ -58,6 +65,15 @@ class LocationTrackingService {
   /// GPS update distance filter for position stream
   double gpsUpdateDistance = 10.0;
 
+  /// Whether private fast GPS updates are enabled
+  bool fastLocationUpdatesEnabled = false;
+
+  /// Distance threshold for fast GPS updates
+  double fastLocationMovementThresholdMeters = 10.0;
+
+  /// Cadence for active-use fast GPS updates
+  int fastLocationActiveCadenceSeconds = 10;
+
   // ============================================================================
   // State Properties
   // ============================================================================
@@ -84,6 +100,11 @@ class LocationTrackingService {
   /// Position stream subscription
   StreamSubscription<Position>? _positionSubscription;
 
+  Timer? _fastLocationTimer;
+  bool _isFastLocationActiveUse = false;
+  DateTime? _lastFastLocationSentAt;
+  Position? _lastFastLocationSentPosition;
+
   // ============================================================================
   // Callback Properties
   // ============================================================================
@@ -100,6 +121,9 @@ class LocationTrackingService {
   /// Called when tracking state changes
   void Function(bool isTracking)? onTrackingStateChanged;
 
+  /// Called when a fast private GPS update should be sent
+  void Function(Position position, String reason)? onFastLocationUpdate;
+
   // ============================================================================
   // Initialization
   // ============================================================================
@@ -125,6 +149,10 @@ class LocationTrackingService {
   /// Check if location permissions are granted
   Future<bool> checkPermissions() async {
     final permission = await Geolocator.checkPermission();
+    if (Platform.isIOS) {
+      return permission == LocationPermission.always;
+    }
+
     return permission == LocationPermission.always ||
         permission == LocationPermission.whileInUse;
   }
@@ -158,6 +186,16 @@ class LocationTrackingService {
       return false;
     }
 
+    if (Platform.isIOS && permission != LocationPermission.always) {
+      permission = await Geolocator.requestPermission();
+      if (permission != LocationPermission.always) {
+        onError?.call(
+          'Background tracking on iOS requires "Always" location access. Enable it in Settings.',
+        );
+        return false;
+      }
+    }
+
     debugPrint('✅ [LocationTracking] Location permissions granted');
     return true;
   }
@@ -178,35 +216,45 @@ class LocationTrackingService {
     for (int attempt = 0; attempt <= retryCount; attempt++) {
       try {
         if (attempt > 0) {
-          debugPrint('🔄 [LocationTracking] Retry attempt $attempt/$retryCount');
+          debugPrint(
+            '🔄 [LocationTracking] Retry attempt $attempt/$retryCount',
+          );
           // Exponential backoff: wait 2^attempt seconds before retry
           await Future.delayed(Duration(seconds: 1 << attempt));
         }
 
         final position = await Geolocator.getCurrentPosition(
-          locationSettings: LocationSettings(
+          locationSettings: _buildLocationSettings(
-            accuracy: LocationAccuracy.best,
             timeLimit: timeLimit,
+            distanceFilter: 0,
           ),
         );
 
         currentPosition = position;
         if (attempt > 0) {
-          debugPrint('✅ [LocationTracking] Position acquired after $attempt retries');
+          debugPrint(
+            '✅ [LocationTracking] Position acquired after $attempt retries',
+          );
         }
         return position;
       } catch (e) {
         final isLastAttempt = attempt == retryCount;
         if (isLastAttempt) {
-          debugPrint('❌ [LocationTracking] Failed to get position after $retryCount retries: $e');
+          debugPrint(
+            '❌ [LocationTracking] Failed to get position after $retryCount retries: $e',
+          );
           // Only call error callback on final failure, and make it user-friendly
           if (e.toString().contains('TimeoutException')) {
-            onError?.call('GPS signal weak. Position stream will continue trying...');
+            onError?.call(
+              'GPS signal weak. Position stream will continue trying...',
+            );
           } else {
             onError?.call('Failed to get GPS position. Check device settings.');
           }
         } else {
-          debugPrint('⚠️ [LocationTracking] Position attempt $attempt failed: $e');
+          debugPrint(
+            '⚠️ [LocationTracking] Position attempt $attempt failed: $e',
+          );
         }
 
         if (isLastAttempt) {
@@ -222,13 +270,35 @@ class LocationTrackingService {
   /// [distanceFilter] - Minimum distance in meters between position updates
   Stream<Position> getPositionStream({double distanceFilter = 10.0}) {
     return Geolocator.getPositionStream(
-      locationSettings: LocationSettings(
+      locationSettings: _buildLocationSettings(
-        accuracy: LocationAccuracy.best,
         distanceFilter: distanceFilter.toInt(),
       ),
     );
   }
 
+  LocationSettings _buildLocationSettings({
+    int distanceFilter = 10,
+    Duration? timeLimit,
+  }) {
+    if (Platform.isIOS) {
+      return AppleSettings(
+        accuracy: LocationAccuracy.best,
+        activityType: ActivityType.fitness,
+        allowBackgroundLocationUpdates: true,
+        distanceFilter: distanceFilter,
+        pauseLocationUpdatesAutomatically: false,
+        showBackgroundLocationIndicator: true,
+        timeLimit: timeLimit,
+      );
+    }
+
+    return LocationSettings(
+      accuracy: LocationAccuracy.best,
+      distanceFilter: distanceFilter,
+      timeLimit: timeLimit,
+    );
+  }
+
   // ============================================================================
   // Tracking Control
   // ============================================================================
@@ -244,16 +314,16 @@ class LocationTrackingService {
   /// GPS tracking works WITHOUT BLE connection - device broadcasts are simply skipped.
   Future<bool> startTracking({double? distanceThreshold}) async {
     if (!_isInitialized) {
-      debugPrint(
+      debugPrint('⚠️ [LocationTracking] Service not initialized');
-        '⚠️ [LocationTracking] Service not initialized',
-      );
       onError?.call('Location tracking service not initialized');
       return false;
     }
 
     // Allow tracking without BLE connection - broadcasts will be skipped
     if (_bleService == null || !_bleService!.isConnected) {
-      debugPrint('ℹ️ [LocationTracking] Starting GPS tracking without BLE connection (broadcasts disabled)');
+      debugPrint(
+        'ℹ️ [LocationTracking] Starting GPS tracking without BLE connection (broadcasts disabled)',
+      );
     }
 
     // Check permissions
@@ -271,17 +341,20 @@ class LocationTrackingService {
 
     // Try to get initial position in background (non-blocking)
     // This will populate currentPosition but won't block tracking startup
-    getCurrentPosition(
+    getCurrentPosition(timeLimit: const Duration(seconds: 10), retryCount: 1)
-      timeLimit: const Duration(seconds: 10),
+        .then((position) {
-      retryCount: 1,
+          if (position != null) {
-    ).then((position) {
+            debugPrint(
-      if (position != null) {
+              '✅ [LocationTracking] Initial position acquired in background',
-        debugPrint('✅ [LocationTracking] Initial position acquired in background');
+            );
-      }
+          }
-    }).catchError((error) {
+        })
-      debugPrint('⚠️ [LocationTracking] Background initial position failed: $error');
+        .catchError((error) {
-      // Not critical - position stream will eventually provide position
+          debugPrint(
-    });
+            '⚠️ [LocationTracking] Background initial position failed: $error',
+          );
+          // Not critical - position stream will eventually provide position
+        });
 
     // Start position stream immediately (don't wait for initial position)
     try {
@@ -296,6 +369,7 @@ class LocationTrackingService {
 
       isTracking = true;
       onTrackingStateChanged?.call(true);
+      _refreshFastLocationTimer();
 
       debugPrint(
         '✅ [LocationTracking] Tracking started with ${threshold}m threshold',
@@ -318,6 +392,7 @@ class LocationTrackingService {
 
     isTracking = false;
     onTrackingStateChanged?.call(false);
+    _refreshFastLocationTimer();
 
     // Reset first position flag so next connection starts fresh
     _firstPositionSet = false;
@@ -361,6 +436,8 @@ class LocationTrackingService {
     // Notify listeners
     onPositionUpdate?.call(position);
 
+    _evaluateFastLocationMovement(position);
+
     // SPECIAL CASE: First stable position after connection
     // Set lat/lon on device WITHOUT broadcasting to mesh network
     if (!_firstPositionSet) {
@@ -378,12 +455,16 @@ class LocationTrackingService {
   /// Updates the device's advertised lat/lon but does NOT send an advertisement.
   void _setInitialPosition(Position position) async {
     if (_bleService == null || !_bleService!.isConnected) {
-      debugPrint('⚠️ [LocationTracking] Cannot set initial position: BLE not connected');
+      debugPrint(
+        '⚠️ [LocationTracking] Cannot set initial position: BLE not connected',
+      );
       return;
     }
 
     try {
-      debugPrint('📍 [LocationTracking] Setting initial position (no broadcast)');
+      debugPrint(
+        '📍 [LocationTracking] Setting initial position (no broadcast)',
+      );
 
       // Update device's advertised location WITHOUT sending advertisement
       await _bleService!.setAdvertLatLon(
@@ -414,7 +495,94 @@ class LocationTrackingService {
   void _checkAndBroadcast(Position position) {
     // Automatic broadcasting disabled
     // Use the manual advert button instead
-    debugPrint('   ⏸️ [LocationTracking] Automatic broadcasting disabled (use advert button)');
+    debugPrint(
+      '   ⏸️ [LocationTracking] Automatic broadcasting disabled (use advert button)',
+    );
+  }
+
+  void setFastLocationActiveUse(bool isActive) {
+    if (_isFastLocationActiveUse == isActive) return;
+    _isFastLocationActiveUse = isActive;
+    _refreshFastLocationTimer();
+  }
+
+  Future<void> setFastLocationUpdatesEnabled(bool enabled) async {
+    fastLocationUpdatesEnabled = enabled;
+    await saveSettings();
+    _refreshFastLocationTimer();
+  }
+
+  Future<void> updateFastLocationMovementThreshold(double meters) async {
+    fastLocationMovementThresholdMeters = meters.clamp(1.0, 1000.0);
+    await saveSettings();
+  }
+
+  Future<void> updateFastLocationActiveCadenceSeconds(int seconds) async {
+    fastLocationActiveCadenceSeconds = seconds.clamp(5, 60);
+    await saveSettings();
+    _refreshFastLocationTimer();
+  }
+
+  void _evaluateFastLocationMovement(Position position) {
+    if (!fastLocationUpdatesEnabled) return;
+    final previous = _lastFastLocationSentPosition;
+    if (previous == null) {
+      _emitFastLocationUpdate(position, reason: 'initial');
+      return;
+    }
+
+    final distance = Geolocator.distanceBetween(
+      previous.latitude,
+      previous.longitude,
+      position.latitude,
+      position.longitude,
+    );
+    if (distance >= fastLocationMovementThresholdMeters) {
+      _emitFastLocationUpdate(position, reason: 'movement');
+    }
+  }
+
+  void _refreshFastLocationTimer() {
+    _fastLocationTimer?.cancel();
+    _fastLocationTimer = null;
+    if (!isTracking ||
+        !fastLocationUpdatesEnabled ||
+        !_isFastLocationActiveUse) {
+      return;
+    }
+
+    _fastLocationTimer = Timer.periodic(
+      Duration(seconds: fastLocationActiveCadenceSeconds),
+      (_) {
+        final position = currentPosition;
+        if (position == null) return;
+        _emitFastLocationUpdate(position, reason: 'active_use');
+      },
+    );
+  }
+
+  void _emitFastLocationUpdate(Position position, {required String reason}) {
+    if (!fastLocationUpdatesEnabled) return;
+
+    final now = DateTime.now();
+    final previous = _lastFastLocationSentPosition;
+    final previousTime = _lastFastLocationSentAt;
+    if (previous != null && previousTime != null) {
+      final distance = Geolocator.distanceBetween(
+        previous.latitude,
+        previous.longitude,
+        position.latitude,
+        position.longitude,
+      );
+      final elapsedMs = now.difference(previousTime).inMilliseconds;
+      if (distance < 1.0 && elapsedMs < 3000) {
+        return;
+      }
+    }
+
+    _lastFastLocationSentPosition = position;
+    _lastFastLocationSentAt = now;
+    onFastLocationUpdate?.call(position, reason);
   }
 
   // ============================================================================
@@ -457,7 +625,9 @@ class LocationTrackingService {
       await _bleService!.sendSelfAdvert(floodMode: true);
 
       debugPrint('✅ [LocationTracking] Manual broadcast successful');
-      debugPrint('   Automatic broadcasts will resume after ${minTimeIntervalSeconds}s');
+      debugPrint(
+        '   Automatic broadcasts will resume after ${minTimeIntervalSeconds}s',
+      );
       onBroadcastSent?.call(position);
 
       return true;
@@ -480,12 +650,24 @@ class LocationTrackingService {
     maxDistanceMeters = prefs.getDouble(_prefKeyMaxDistance) ?? 100.0;
     minTimeIntervalSeconds = prefs.getInt(_prefKeyMinTimeInterval) ?? 30;
     gpsUpdateDistance = prefs.getDouble(_prefKeyGpsUpdateDistance) ?? 10.0;
+    fastLocationUpdatesEnabled =
+        prefs.getBool(_prefKeyFastLocationEnabled) ?? false;
+    fastLocationMovementThresholdMeters =
+        (prefs.getDouble(_prefKeyFastMovementThreshold) ?? gpsUpdateDistance)
+            .clamp(1.0, 1000.0);
+    fastLocationActiveCadenceSeconds =
+        (prefs.getInt(_prefKeyFastActiveCadence) ?? 10).clamp(5, 60);
 
     debugPrint('✅ [LocationTracking] Settings loaded');
     debugPrint('    Min distance: ${minDistanceMeters}m');
     debugPrint('    Max distance: ${maxDistanceMeters}m');
     debugPrint('    Min time interval: ${minTimeIntervalSeconds}s');
     debugPrint('    GPS update distance: ${gpsUpdateDistance}m');
+    debugPrint('    Fast updates enabled: $fastLocationUpdatesEnabled');
+    debugPrint(
+      '    Fast movement threshold: ${fastLocationMovementThresholdMeters}m',
+    );
+    debugPrint('    Fast active cadence: ${fastLocationActiveCadenceSeconds}s');
   }
 
   /// Save settings to SharedPreferences
@@ -497,6 +679,18 @@ class LocationTrackingService {
     await prefs.setInt(_prefKeyMinTimeInterval, minTimeIntervalSeconds);
     await prefs.setDouble(_prefKeyGpsUpdateDistance, gpsUpdateDistance);
     await prefs.setBool(_prefKeyEnabled, isTracking);
+    await prefs.setBool(
+      _prefKeyFastLocationEnabled,
+      fastLocationUpdatesEnabled,
+    );
+    await prefs.setDouble(
+      _prefKeyFastMovementThreshold,
+      fastLocationMovementThresholdMeters,
+    );
+    await prefs.setInt(
+      _prefKeyFastActiveCadence,
+      fastLocationActiveCadenceSeconds,
+    );
 
     debugPrint('✅ [LocationTracking] Settings saved');
   }
@@ -509,6 +703,7 @@ class LocationTrackingService {
   void dispose() {
     debugPrint('🗑️ [LocationTracking] Disposing service');
     _positionSubscription?.cancel();
+    _fastLocationTimer?.cancel();
     _positionSubscription = null;
     _bleService = null;
     _isInitialized = false;

lib/services/mbtiles_service.dart

@@ -1,273 +0,0 @@
-import 'dart:io';
-import 'package:flutter/material.dart';
-import 'package:path_provider/path_provider.dart';
-import 'package:mbtiles/mbtiles.dart';
-
-/// Metadata information extracted from an MBTiles file
-class MbtilesMetadata {
-  final String name;
-  final String? description;
-  final String? version;
-  final String? attribution;
-  final String? bounds; // "minLon,minLat,maxLon,maxLat"
-  final String? center; // "lon,lat,zoom"
-  final int? minZoom;
-  final int? maxZoom;
-  final String? format; // "pbf", "png", "jpg", etc.
-  final String? type; // "overlay", "baselayer"
-  final String? json; // Additional metadata JSON
-  final File file;
-  final int fileSize;
-
-  const MbtilesMetadata({
-    required this.name,
-    this.description,
-    this.version,
-    this.attribution,
-    this.bounds,
-    this.center,
-    this.minZoom,
-    this.maxZoom,
-    this.format,
-    this.type,
-    this.json,
-    required this.file,
-    required this.fileSize,
-  });
-
-  /// Check if this is a vector tile MBTiles file
-  bool get isVector => format == 'pbf' || format == 'mvt';
-
-  /// Parse bounds string into [minLon, minLat, maxLon, maxLat]
-  List<double>? get boundsCoordinates {
-    if (bounds == null) return null;
-    try {
-      final parts = bounds!.split(',');
-      if (parts.length != 4) return null;
-      return parts.map((s) => double.parse(s.trim())).toList();
-    } catch (e) {
-      debugPrint('Error parsing bounds: $e');
-      return null;
-    }
-  }
-
-  /// Parse center string into [lon, lat, zoom]
-  List<double>? get centerCoordinates {
-    if (center == null) return null;
-    try {
-      final parts = center!.split(',');
-      if (parts.length < 2) return null;
-      return parts.map((s) => double.parse(s.trim())).toList();
-    } catch (e) {
-      debugPrint('Error parsing center: $e');
-      return null;
-    }
-  }
-
-  /// Get file size in human-readable format
-  String get fileSizeFormatted {
-    if (fileSize < 1024) {
-      return '$fileSize B';
-    } else if (fileSize < 1024 * 1024) {
-      return '${(fileSize / 1024).toStringAsFixed(1)} KB';
-    } else if (fileSize < 1024 * 1024 * 1024) {
-      return '${(fileSize / (1024 * 1024)).toStringAsFixed(1)} MB';
-    } else {
-      return '${(fileSize / (1024 * 1024 * 1024)).toStringAsFixed(2)} GB';
-    }
-  }
-}
-
-/// Service for managing MBTiles files for offline vector maps
-class MbtilesService {
-  static const String _mbtilesDirectory = 'offline_maps';
-
-  /// Get the directory where MBTiles files are stored
-  Future<Directory> getMbtilesDirectory() async {
-    final appDocDir = await getApplicationDocumentsDirectory();
-    final mbtilesDir = Directory('${appDocDir.path}/$_mbtilesDirectory');
-
-    // Create directory if it doesn't exist
-    if (!await mbtilesDir.exists()) {
-      await mbtilesDir.create(recursive: true);
-    }
-
-    return mbtilesDir;
-  }
-
-  /// List all MBTiles files in the offline maps directory
-  Future<List<File>> listMbtilesFiles() async {
-    final dir = await getMbtilesDirectory();
-
-    try {
-      final files = await dir
-          .list()
-          .where((entity) => entity is File && entity.path.endsWith('.mbtiles'))
-          .map((entity) => entity as File)
-          .toList();
-
-      return files;
-    } catch (e) {
-      debugPrint('Error listing MBTiles files: $e');
-      return [];
-    }
-  }
-
-  /// Get metadata from an MBTiles file
-  Future<MbtilesMetadata?> getMetadata(File file) async {
-    try {
-      // Check if file exists
-      if (!await file.exists()) {
-        debugPrint('MBTiles file does not exist: ${file.path}');
-        return null;
-      }
-
-      // Get file size
-      final fileSize = await file.length();
-
-      // Open MBTiles file
-      final mbtiles = MbTiles(mbtilesPath: file.path);
-
-      // Get metadata from MBTiles
-      final metadata = mbtiles.getMetadata();
-
-      // Convert bounds object to string if available
-      String? boundsStr;
-      if (metadata.bounds != null) {
-        boundsStr = metadata.bounds.toString();
-      }
-
-      return MbtilesMetadata(
-        name: metadata.name,
-        description: metadata.description,
-        version: metadata.version?.toString(),
-        attribution: null, // Not available in new API
-        bounds: boundsStr,
-        center: null, // Not available in new API
-        minZoom: metadata.minZoom?.toInt(),
-        maxZoom: metadata.maxZoom?.toInt(),
-        format: metadata.format,
-        type: metadata.type?.name,
-        json: null, // Not available in new API
-        file: file,
-        fileSize: fileSize,
-      );
-    } catch (e) {
-      debugPrint('Error reading MBTiles metadata from ${file.path}: $e');
-      return null;
-    }
-  }
-
-  /// Get metadata for all MBTiles files
-  Future<List<MbtilesMetadata>> getAllMetadata() async {
-    final files = await listMbtilesFiles();
-    final metadataList = <MbtilesMetadata>[];
-
-    for (final file in files) {
-      final metadata = await getMetadata(file);
-      if (metadata != null) {
-        metadataList.add(metadata);
-      }
-    }
-
-    return metadataList;
-  }
-
-  /// Import an MBTiles file from an external location
-  Future<File?> importMbtilesFile(String sourcePath) async {
-    try {
-      final sourceFile = File(sourcePath);
-
-      // Verify source file exists
-      if (!await sourceFile.exists()) {
-        debugPrint('Source file does not exist: $sourcePath');
-        return null;
-      }
-
-      // Get destination directory
-      final destDir = await getMbtilesDirectory();
-      final fileName = _getFileName(sourceFile);
-      final destPath = '${destDir.path}/$fileName';
-
-      // Copy file to destination
-      final destFile = await sourceFile.copy(destPath);
-      debugPrint('Imported MBTiles file to: $destPath');
-
-      return destFile;
-    } catch (e) {
-      debugPrint('Error importing MBTiles file: $e');
-      return null;
-    }
-  }
-
-  /// Delete an MBTiles file
-  Future<bool> deleteMbtilesFile(File file) async {
-    try {
-      if (await file.exists()) {
-        await file.delete();
-        debugPrint('Deleted MBTiles file: ${file.path}');
-        return true;
-      }
-      return false;
-    } catch (e) {
-      debugPrint('Error deleting MBTiles file: $e');
-      return false;
-    }
-  }
-
-  /// Check if data in MBTiles is gzip compressed
-  Future<bool> isGzipCompressed(File file) async {
-    try {
-      // Open MBTiles and check a sample tile
-      final mbtiles = MbTiles(mbtilesPath: file.path);
-
-      // Try to get metadata to check for compression hints
-      final metadata = mbtiles.getMetadata();
-      final format = metadata.format;
-
-      // For Geofabrik files, format is 'pbf' and data is gzipped
-      // We can infer this from common patterns, but ideally we'd check actual tile data
-      if (format == 'pbf') {
-        // Geofabrik MBTiles are typically gzipped
-        // Could also check tile data headers, but this is a reasonable heuristic
-        return true;
-      }
-
-      return false;
-    } catch (e) {
-      debugPrint('Error checking gzip compression: $e');
-      return false;
-    }
-  }
-
-  /// Determine the vector tile schema from metadata
-  String? getVectorSchema(MbtilesMetadata metadata) {
-    // Try to infer schema from metadata
-    final json = metadata.json;
-    if (json != null) {
-      if (json.contains('shortbread')) {
-        return 'shortbread';
-      } else if (json.contains('openmaptiles')) {
-        return 'openmaptiles';
-      }
-    }
-
-    // Check description
-    final description = metadata.description?.toLowerCase();
-    if (description != null) {
-      if (description.contains('shortbread')) {
-        return 'shortbread';
-      } else if (description.contains('openmaptiles')) {
-        return 'openmaptiles';
-      }
-    }
-
-    // Default to unknown
-    return null;
-  }
-
-  /// Helper: Get file name from path
-  String _getFileName(File file) {
-    return file.path.split(Platform.pathSeparator).last;
-  }
-}

lib/services/mesh_map_nodes_service.dart

@@ -1,5 +1,7 @@
+import 'dart:async';
 import 'dart:convert';
 import 'package:http/http.dart' as http;
+import 'package:shared_preferences/shared_preferences.dart';
 
 class MeshMapNode {
   final int type;
@@ -33,25 +35,36 @@ class MeshMapNode {
 class MeshMapNodesService {
   static const String _nodesEndpoint =
       'https://api.meshcore.nz/api/v1/map/nodes';
-  static const Duration _cacheTtl = Duration(minutes: 2);
+  static const int repeaterType = 1;
-  static const Duration traceCacheTtl = Duration(minutes: 10);
+  static const Duration _cacheTtl = Duration(hours: 24);
+  static const Duration traceCacheTtl = _cacheTtl;
   static const Duration traceTimeout = Duration(seconds: 30);
+  static const String _cacheKey = 'mesh_map_nodes_cache_v1';
+  static const String _cacheTimestampKey = 'mesh_map_nodes_cache_timestamp_v1';
   static List<MeshMapNode>? _cachedNodes;
   static DateTime? _cachedAt;
+  static Future<void>? _ongoingSync;
 
   static Future<List<MeshMapNode>> fetchNodes({
     bool forceRefresh = false,
     Duration cacheTtl = _cacheTtl,
+    bool allowNetwork = true,
+    http.Client? client,
   }) async {
     final now = DateTime.now();
+    final cached = await loadCachedNodes(cacheTtl: cacheTtl);
     if (!forceRefresh &&
-        _cachedNodes != null &&
+        cached.isNotEmpty &&
         _cachedAt != null &&
         now.difference(_cachedAt!) < cacheTtl) {
-      return _cachedNodes!;
+      return cached;
     }
 
-    final response = await http
+    if (!allowNetwork) {
+      return cached;
+    }
+
+    final response = await (client ?? http.Client())
         .get(Uri.parse(_nodesEndpoint))
         .timeout(traceTimeout);
     if (response.statusCode < 200 || response.statusCode >= 300) {
@@ -69,8 +82,133 @@ class MeshMapNodesService {
         )
         .toList();
 
-    _cachedNodes = nodes;
+    await _storeCache(nodes, cachedAt: now);
-    _cachedAt = now;
     return nodes;
   }
+
+  static Future<List<MeshMapNode>> loadCachedNodes({
+    Duration cacheTtl = _cacheTtl,
+  }) async {
+    final now = DateTime.now();
+    if (_cachedNodes != null &&
+        _cachedAt != null &&
+        now.difference(_cachedAt!) < cacheTtl) {
+      return _cachedNodes!;
+    }
+
+    final prefs = await SharedPreferences.getInstance();
+    final cachedAtMs = prefs.getInt(_cacheTimestampKey);
+    final cachedJson = prefs.getString(_cacheKey);
+    if (cachedAtMs == null || cachedJson == null) {
+      _cachedNodes = null;
+      _cachedAt = null;
+      return const [];
+    }
+
+    final cachedAt = DateTime.fromMillisecondsSinceEpoch(cachedAtMs);
+    if (now.difference(cachedAt) >= cacheTtl) {
+      _cachedNodes = null;
+      _cachedAt = cachedAt;
+      return const [];
+    }
+
+    final decoded = jsonDecode(cachedJson) as List<dynamic>;
+    final nodes = decoded
+        .whereType<Map<String, dynamic>>()
+        .map(MeshMapNode.fromJson)
+        .where(
+          (n) => n.publicKey.isNotEmpty && n.latitude != 0 && n.longitude != 0,
+        )
+        .toList();
+    _cachedNodes = nodes;
+    _cachedAt = cachedAt;
+    return nodes;
+  }
+
+  static Future<bool> hasFreshCache({Duration cacheTtl = _cacheTtl}) async {
+    final nodes = await loadCachedNodes(cacheTtl: cacheTtl);
+    return nodes.isNotEmpty;
+  }
+
+  static Future<void> syncInBackgroundIfStale({
+    Duration cacheTtl = _cacheTtl,
+    http.Client? client,
+  }) async {
+    final now = DateTime.now();
+    if (_cachedAt != null && now.difference(_cachedAt!) < cacheTtl) {
+      return;
+    }
+
+    final cached = await loadCachedNodes(cacheTtl: cacheTtl);
+    if (cached.isNotEmpty && _cachedAt != null) {
+      return;
+    }
+
+    if (_ongoingSync != null) {
+      return _ongoingSync!;
+    }
+
+    _ongoingSync = () async {
+      try {
+        await fetchNodes(
+          forceRefresh: true,
+          cacheTtl: cacheTtl,
+          allowNetwork: true,
+          client: client,
+        );
+      } catch (_) {
+        // Background refresh is best-effort only.
+      } finally {
+        _ongoingSync = null;
+      }
+    }();
+
+    return _ongoingSync!;
+  }
+
+  static Future<void> clearCache() async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.remove(_cacheKey);
+    await prefs.remove(_cacheTimestampKey);
+    _cachedNodes = null;
+    _cachedAt = null;
+  }
+
+  static Future<DateTime?> cachedAt() async {
+    if (_cachedAt != null) return _cachedAt;
+    final prefs = await SharedPreferences.getInstance();
+    final cachedAtMs = prefs.getInt(_cacheTimestampKey);
+    if (cachedAtMs == null) return null;
+    _cachedAt = DateTime.fromMillisecondsSinceEpoch(cachedAtMs);
+    return _cachedAt;
+  }
+
+  static bool isRepeater(MeshMapNode node) => node.type == repeaterType;
+
+  static Future<void> _storeCache(
+    List<MeshMapNode> nodes, {
+    required DateTime cachedAt,
+  }) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString(
+      _cacheKey,
+      jsonEncode(
+        nodes
+            .map(
+              (node) => {
+                'type': node.type,
+                'name': node.name,
+                'public_key': node.publicKey,
+                'latitude': node.latitude,
+                'longitude': node.longitude,
+                'updated_at': node.updatedAtMs,
+              },
+            )
+            .toList(),
+      ),
+    );
+    await prefs.setInt(_cacheTimestampKey, cachedAt.millisecondsSinceEpoch);
+    _cachedNodes = nodes;
+    _cachedAt = cachedAt;
+  }
 }

lib/services/message_destination_preferences.dart

@@ -7,6 +7,7 @@ class MessageDestinationPreferences {
   static const String _recipientPublicKeyKey = 'message_recipient_public_key';
 
   /// Destination types
+  static const String destinationTypeAll = 'all';
   static const String destinationTypeChannel = 'channel';
   static const String destinationTypeContact = 'contact';
   static const String destinationTypeRoom = 'room';
@@ -24,14 +25,11 @@ class MessageDestinationPreferences {
 
     final publicKey = prefs.getString(_recipientPublicKeyKey);
 
-    return {
+    return {'type': type, 'publicKey': ?publicKey};
-      'type': type,
-      'publicKey': ?publicKey,
-    };
   }
 
   /// Save the selected destination
-  /// [type] - one of: destinationTypeChannel, destinationTypeContact, destinationTypeRoom
+  /// [type] - one of: destinationTypeAll, destinationTypeChannel, destinationTypeContact, destinationTypeRoom
   /// [recipientPublicKey] - hex string of recipient's public key (required for contact/room)
   static Future<void> setDestination(
     String type, {
@@ -58,6 +56,8 @@ class MessageDestinationPreferences {
   /// Get display name for destination type
   static String getDestinationTypeName(String type) {
     switch (type) {
+      case destinationTypeAll:
+        return 'All';
       case destinationTypeChannel:
         return 'Channel';
       case destinationTypeContact:

lib/services/message_storage_service.dart

@@ -5,6 +5,7 @@ import '../models/message.dart';
 import '../models/message_contact_location.dart';
 import '../models/message_reception_details.dart';
 import '../models/message_transfer_details.dart';
+import '../models/message_route_metadata.dart';
 import 'package:latlong2/latlong.dart';
 
 /// Service for persisting messages to local storage
@@ -16,6 +17,8 @@ class MessageStorageService {
       'stored_message_reception_details';
   static const String _messageTransferDetailsKey =
       'stored_message_transfer_details';
+  static const String _messageRouteMetadataKey =
+      'stored_message_route_metadata';
   static const int _maxStoredMessages = 1000; // Store up to 1000 messages
 
   /// Save messages to persistent storage
@@ -24,6 +27,7 @@ class MessageStorageService {
     Map<String, MessageContactLocation> messageContactLocations = const {},
     Map<String, MessageReceptionDetails> messageReceptionDetails = const {},
     Map<String, MessageTransferDetails> messageTransferDetails = const {},
+    Map<String, MessageRouteMetadata> messageRouteMetadata = const {},
   }) async {
     try {
       final prefs = await SharedPreferences.getInstance();
@@ -44,6 +48,7 @@ class MessageStorageService {
       final locationJson = <String, dynamic>{};
       final receptionJson = <String, dynamic>{};
       final transferJson = <String, dynamic>{};
+      final routeMetadataJson = <String, dynamic>{};
       for (final entry in messageContactLocations.entries) {
         if (retainedMessageIds.contains(entry.key)) {
           locationJson[entry.key] = entry.value.toJson();
@@ -59,6 +64,11 @@ class MessageStorageService {
           transferJson[entry.key] = entry.value.toJson();
         }
       }
+      for (final entry in messageRouteMetadata.entries) {
+        if (retainedMessageIds.contains(entry.key)) {
+          routeMetadataJson[entry.key] = entry.value.toJson();
+        }
+      }
       await prefs.setString(
         _messageContactLocationsKey,
         jsonEncode(locationJson),
@@ -71,6 +81,10 @@ class MessageStorageService {
         _messageTransferDetailsKey,
         jsonEncode(transferJson),
       );
+      await prefs.setString(
+        _messageRouteMetadataKey,
+        jsonEncode(routeMetadataJson),
+      );
 
       debugPrint(
         '✅ [MessageStorage] Saved ${limitedList.length} messages to storage',
@@ -170,6 +184,32 @@ class MessageStorageService {
     }
   }
 
+  Future<Map<String, MessageRouteMetadata>> loadMessageRouteMetadata() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final jsonString = prefs.getString(_messageRouteMetadataKey);
+      if (jsonString == null || jsonString.isEmpty) {
+        return const {};
+      }
+
+      final decoded = jsonDecode(jsonString);
+      if (decoded is! Map<String, dynamic>) {
+        return const {};
+      }
+
+      final result = <String, MessageRouteMetadata>{};
+      for (final entry in decoded.entries) {
+        final value = entry.value;
+        if (value is! Map<String, dynamic>) continue;
+        result[entry.key] = MessageRouteMetadata.fromJson(value);
+      }
+      return result;
+    } catch (e) {
+      debugPrint('❌ [MessageStorage] Error loading route metadata: $e');
+      return const {};
+    }
+  }
+
   /// Load messages from persistent storage
   Future<List<Message>> loadMessages() async {
     try {
@@ -206,6 +246,7 @@ class MessageStorageService {
       await prefs.remove(_messageContactLocationsKey);
       await prefs.remove(_messageReceptionDetailsKey);
       await prefs.remove(_messageTransferDetailsKey);
+      await prefs.remove(_messageRouteMetadataKey);
       debugPrint('✅ [MessageStorage] Cleared all stored messages');
     } catch (e) {
       debugPrint('❌ [MessageStorage] Error clearing messages: $e');

lib/services/messaging_route_preferences.dart

@@ -0,0 +1,46 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
+class MessagingRoutePreferences {
+  static const bool defaultAutoRouteRotationEnabled = false;
+  static const bool defaultClearPathOnMaxRetry = false;
+  static const bool defaultNearestRelayFallbackEnabled = true;
+
+  static const String _autoRouteRotationKey =
+      '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 {
+    final prefs = await SharedPreferences.getInstance();
+    return prefs.getBool(_autoRouteRotationKey) ??
+        defaultAutoRouteRotationEnabled;
+  }
+
+  static Future<void> setAutoRouteRotationEnabled(bool enabled) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool(_autoRouteRotationKey, enabled);
+  }
+
+  static Future<bool> getClearPathOnMaxRetry() async {
+    final prefs = await SharedPreferences.getInstance();
+    return prefs.getBool(_clearPathOnMaxRetryKey) ?? defaultClearPathOnMaxRetry;
+  }
+
+  static Future<void> setClearPathOnMaxRetry(bool enabled) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool(_clearPathOnMaxRetryKey, enabled);
+  }
+
+  static Future<bool> getNearestRelayFallbackEnabled() async {
+    final prefs = await SharedPreferences.getInstance();
+    return prefs.getBool(_nearestRelayFallbackKey) ??
+        defaultNearestRelayFallbackEnabled;
+  }
+
+  static Future<void> setNearestRelayFallbackEnabled(bool enabled) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool(_nearestRelayFallbackKey, enabled);
+  }
+}

lib/services/nearest_router_selector.dart

@@ -0,0 +1,69 @@
+import 'package:geolocator/geolocator.dart';
+
+import '../models/contact.dart';
+
+class NearestRouterSelector {
+  const NearestRouterSelector();
+
+  Contact? select({
+    required Position? senderPosition,
+    required List<Contact> repeaters,
+    required Contact recipient,
+  }) {
+    if (senderPosition == null) {
+      return null;
+    }
+
+    final eligible = repeaters.where((contact) {
+      if (contact.publicKeyHex == recipient.publicKeyHex) {
+        return false;
+      }
+      if (!contact.isRecentlySeen) {
+        return false;
+      }
+      return contact.displayLocation != null;
+    }).toList();
+    if (eligible.isEmpty) {
+      return null;
+    }
+
+    eligible.sort((a, b) {
+      final locationA = a.displayLocation!;
+      final locationB = b.displayLocation!;
+      final distanceA = Geolocator.distanceBetween(
+        senderPosition.latitude,
+        senderPosition.longitude,
+        locationA.latitude,
+        locationA.longitude,
+      );
+      final distanceB = Geolocator.distanceBetween(
+        senderPosition.latitude,
+        senderPosition.longitude,
+        locationB.latitude,
+        locationB.longitude,
+      );
+      final distanceCompare = distanceA.compareTo(distanceB);
+      if (distanceCompare != 0) {
+        return distanceCompare;
+      }
+
+      final advertCompare = b.lastAdvert.compareTo(a.lastAdvert);
+      if (advertCompare != 0) {
+        return advertCompare;
+      }
+
+      final hopCompare = a.routeHopCount.compareTo(b.routeHopCount);
+      if (hopCompare != 0) {
+        return hopCompare;
+      }
+
+      final nameCompare = a.advName.compareTo(b.advName);
+      if (nameCompare != 0) {
+        return nameCompare;
+      }
+      return a.publicKeyHex.compareTo(b.publicKeyHex);
+    });
+
+    return eligible.first;
+  }
+}

lib/services/notification_service.dart

@@ -402,10 +402,13 @@ class NotificationService {
           (DateTime.now().millisecondsSinceEpoch % 1000);
 
       // Build notification title and body
+      final resolvedChannelName = channelName?.trim().isNotEmpty == true
+          ? channelName!.trim()
+          : (localizations?.publicChannel ?? 'Public');
       final title = isChannelMessage
           ? (localizations != null
-                ? '${localizations.channel}: ${channelName ?? "Public"}'
+                ? '${localizations.channel}: $resolvedChannelName'
-                : 'Channel: ${channelName ?? "Public"}')
+                : 'Channel: $resolvedChannelName')
           : (localizations != null
                 ? '${localizations.newMessage} ${localizations.from} $senderName'
                 : 'New message from $senderName');
@@ -550,7 +553,7 @@ class NotificationService {
       final title = localizations?.updateAvailable ?? 'App Update Available';
       final body = localizations != null
           ? '${localizations.currentVersion}: $currentVersion\n'
-              '${localizations.latestVersion}: $latestVersion'
+                '${localizations.latestVersion}: $latestVersion'
           : 'Current: $currentVersion\nLatest: $latestVersion';
 
       // Android notification details

lib/services/packet_capture_storage_service.dart

@@ -61,6 +61,9 @@ class PacketCaptureStorageService {
   File? _file;
 
   Future<File> _resolveFile() async {
+    if (kIsWeb) {
+      throw UnsupportedError('Packet capture file storage is not supported on web');
+    }
     if (_file != null) return _file!;
     final dir = await getApplicationSupportDirectory();
     final file = File('${dir.path}/$_fileName');
@@ -73,6 +76,7 @@ class PacketCaptureStorageService {
 
   Future<void> appendLogs(List<BlePacketLog> logs) async {
     if (logs.isEmpty) return;
+    if (kIsWeb) return;
     try {
       final file = await _resolveFile();
       final sink = file.openWrite(mode: FileMode.append);
@@ -98,6 +102,7 @@ class PacketCaptureStorageService {
   }
 
   Future<List<StoredPacketCapture>> loadRecent({int limit = 500}) async {
+    if (kIsWeb) return const [];
     try {
       final file = await _resolveFile();
       if (!await file.exists()) return const [];
@@ -116,6 +121,7 @@ class PacketCaptureStorageService {
   }
 
   Future<int> count() async {
+    if (kIsWeb) return 0;
     try {
       final file = await _resolveFile();
       if (!await file.exists()) return 0;
@@ -127,6 +133,7 @@ class PacketCaptureStorageService {
   }
 
   Future<void> clear() async {
+    if (kIsWeb) return;
     try {
       final file = await _resolveFile();
       if (await file.exists()) {

lib/services/path_history_service.dart

@@ -0,0 +1,273 @@
+import 'dart:convert';
+
+import 'package:flutter/foundation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import '../models/contact.dart';
+import '../models/path_history.dart';
+import '../models/path_selection.dart';
+
+class PathHistoryService {
+  static const String _storageKey = 'contact_path_history_v1';
+  static const int _maxDirectPaths = 20;
+  static const int _topRotationCount = 3;
+
+  final Map<String, ContactPathHistory> _cache = {};
+  bool _isLoaded = false;
+
+  Future<void> initialize() async {
+    if (_isLoaded) return;
+    final prefs = await SharedPreferences.getInstance();
+    final raw = prefs.getString(_storageKey);
+    if (raw == null || raw.isEmpty) {
+      _isLoaded = true;
+      return;
+    }
+
+    try {
+      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');
+    }
+    _isLoaded = true;
+  }
+
+  Future<void> recordLearnedPath(Contact contact) async {
+    await initialize();
+    if (!contact.routeHasPath || contact.routeHopCount <= 0) {
+      return;
+    }
+
+    final history = _historyFor(contact.publicKeyHex);
+    final signature = _signature(contact.routePathBytes);
+    final existing = _findDirectPath(history.directPaths, signature);
+    final updated = PathRecord(
+      pathBytes: contact.routePathBytes.toList(),
+      hopCount: contact.routeHopCount,
+      hashSize: contact.routeHashSize,
+      successCount: existing?.successCount ?? 0,
+      failureCount: existing?.failureCount ?? 0,
+      lastRoundTripTimeMs: existing?.lastRoundTripTimeMs ?? 0,
+      lastUsedAt: DateTime.now(),
+    );
+
+    await _saveHistory(
+      contact.publicKeyHex,
+      history.copyWith(
+        directPaths: _upsertDirectPath(history.directPaths, updated),
+      ),
+    );
+  }
+
+  Future<void> recordReceivedBytePath(
+    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 history = _historyFor(contactPublicKeyHex);
+    final signature = pathBytes
+        .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
+        .join();
+    final existing = _findDirectPath(history.directPaths, signature);
+    final updated = PathRecord(
+      pathBytes: List<int>.from(pathBytes),
+      hopCount: pathBytes.length ~/ hashSize,
+      hashSize: hashSize,
+      successCount: existing?.successCount ?? 0,
+      failureCount: existing?.failureCount ?? 0,
+      lastRoundTripTimeMs: existing?.lastRoundTripTimeMs ?? 0,
+      lastUsedAt: DateTime.now(),
+    );
+
+    await _saveHistory(
+      contactPublicKeyHex,
+      history.copyWith(
+        directPaths: _upsertDirectPath(history.directPaths, updated),
+      ),
+    );
+  }
+
+  Future<PathSelection> getSelectionForContact(
+    Contact contact, {
+    required bool autoRouteRotationEnabled,
+  }) async {
+    await initialize();
+    await recordLearnedPath(contact);
+
+    if (contact.routeHasPath && contact.routeHopCount > 0) {
+      return PathSelection(
+        mode: PathSelectionMode.directCurrent,
+        pathBytes: Uint8List.fromList(contact.routePathBytes),
+        hopCount: contact.routeHopCount,
+        hashSize: contact.routeHashSize,
+      );
+    }
+
+    if (!autoRouteRotationEnabled) {
+      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,
+  }) 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,
+      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(),
+    );
+    await _saveHistory(
+      contactPublicKeyHex,
+      history.copyWith(
+        directPaths: _upsertDirectPath(history.directPaths, updated),
+      ),
+    );
+  }
+
+  ContactPathHistory historyFor(String contactPublicKeyHex) {
+    return _cache[contactPublicKeyHex] ??
+        ContactPathHistory.empty(contactPublicKeyHex);
+  }
+
+  ContactPathHistory _historyFor(String contactPublicKeyHex) {
+    return _cache.putIfAbsent(
+      contactPublicKeyHex,
+      () => ContactPathHistory.empty(contactPublicKeyHex),
+    );
+  }
+
+  Future<void> _saveHistory(
+    String contactPublicKeyHex,
+    ContactPathHistory history,
+  ) async {
+    _cache[contactPublicKeyHex] = history;
+    final prefs = await SharedPreferences.getInstance();
+    final payload = <String, dynamic>{};
+    for (final entry in _cache.entries) {
+      payload[entry.key] = entry.value.toJson();
+    }
+    await prefs.setString(_storageKey, jsonEncode(payload));
+  }
+
+  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();
+}

lib/services/tile_cache_service.dart

@@ -1,284 +0,0 @@
-import 'package:flutter/foundation.dart';
-import 'package:flutter_map/flutter_map.dart';
-import 'package:flutter_map_tile_caching/flutter_map_tile_caching.dart';
-import 'package:vector_map_tiles_mbtiles/vector_map_tiles_mbtiles.dart';
-import 'package:mbtiles/mbtiles.dart';
-import '../models/map_layer.dart';
-
-class TileCacheService {
-  static const String _storeName = 'meshcore_sar_tiles';
-
-  // Global flag to ensure ObjectBox is only initialized once
-  static bool _objectBoxInitialized = false;
-  static final _initLock = <String, Future<void>>{};
-
-  late final FMTCStore _store;
-  bool _isInitialized = false;
-  bool _isDownloading = false;
-
-  Future<void> initialize() async {
-    if (_isInitialized) return;
-
-    // Ensure we only initialize ObjectBox once globally
-    if (!_objectBoxInitialized) {
-      // Use a lock to prevent concurrent initialization attempts
-      final initFuture = _initLock.putIfAbsent('objectbox', () async {
-        try {
-          await FMTCObjectBoxBackend().initialise();
-          _objectBoxInitialized = true;
-        } catch (e) {
-          // Already initialized or error - that's okay
-          _objectBoxInitialized = true;
-        }
-      });
-      await initFuture;
-    }
-
-    try {
-      _store = FMTCStore(_storeName);
-      await _store.manage.create();
-      _isInitialized = true;
-    } catch (e) {
-      // Store might already exist
-      _store = FMTCStore(_storeName);
-      _isInitialized = true;
-    }
-  }
-
-  FMTCTileProvider getTileProvider(MapLayer layer) {
-    if (!_isInitialized) {
-      throw StateError(
-        'TileCacheService not initialized. Call initialize() first.',
-      );
-    }
-    return FMTCTileProvider(
-      stores: {_storeName: BrowseStoreStrategy.readUpdateCreate},
-      loadingStrategy: BrowseLoadingStrategy.cacheFirst,
-      cachedValidDuration: const Duration(days: 30),
-    );
-  }
-
-  /// Get tile provider for WMS layers with caching support
-  /// WMS layers require special handling because they use WMSTileLayerOptions
-  FMTCTileProvider getTileProviderForWms(MapLayer layer) {
-    if (!_isInitialized) {
-      throw StateError(
-        'TileCacheService not initialized. Call initialize() first.',
-      );
-    }
-    if (!layer.isWms) {
-      throw ArgumentError('Layer must be a WMS layer');
-    }
-
-    // Return the same cached tile provider
-    // The WMS URL construction is handled by flutter_map's WMSTileLayerOptions
-    return FMTCTileProvider(
-      stores: {_storeName: BrowseStoreStrategy.readUpdateCreate},
-      loadingStrategy: BrowseLoadingStrategy.cacheFirst,
-      cachedValidDuration: const Duration(days: 30),
-    );
-  }
-
-  Future<void> downloadRegion({
-    required MapLayer layer,
-    required LatLngBounds bounds,
-    required int minZoom,
-    required int maxZoom,
-    Function(double progress)? onProgress,
-  }) async {
-    if (!_isInitialized) {
-      throw StateError(
-        'TileCacheService not initialized. Call initialize() first.',
-      );
-    }
-
-    if (_isDownloading) {
-      throw StateError('A download is already in progress. Cancel it first.');
-    }
-
-    _isDownloading = true;
-
-    try {
-      final region = RectangleRegion(bounds);
-
-      final downloadable = region.toDownloadable(
-        minZoom: minZoom,
-        maxZoom: maxZoom,
-        options: TileLayer(urlTemplate: layer.urlTemplate),
-      );
-
-      final download = _store.download.startForeground(region: downloadable);
-
-      await for (final progress in download.downloadProgress) {
-        if (onProgress != null && progress.maxTilesCount > 0) {
-          // Use attemptedTilesCount instead of successfulTilesCount
-          // attemptedTilesCount includes successful + buffered + skipped tiles
-          final percentage = progress.percentageProgress;
-          debugPrint(
-            'Download progress: ${progress.attemptedTilesCount}/${progress.maxTilesCount} = ${percentage.toStringAsFixed(1)}% (successful: ${progress.successfulTilesCount}, buffered: ${progress.bufferedTilesCount}, skipped: ${progress.skippedTilesCount})',
-          );
-          onProgress(percentage);
-        }
-      }
-    } finally {
-      _isDownloading = false;
-    }
-  }
-
-  Future<void> cancelDownload() async {
-    if (!_isInitialized) return;
-    await _store.download.cancel();
-  }
-
-  Future<void> clearCache() async {
-    if (!_isInitialized) return;
-    await _store.manage.delete();
-    await _store.manage.create();
-  }
-
-  Future<int> getCachedTileCount() async {
-    if (!_isInitialized) return 0;
-    final stats = await _store.stats.length;
-    return stats;
-  }
-
-  Future<double> getCacheSizeMB() async {
-    if (!_isInitialized) return 0.0;
-    final stats = await _store.stats.size;
-    return stats / (1024 * 1024);
-  }
-
-  Future<List<String>> getAvailableStores() async {
-    if (!_isInitialized) {
-      throw StateError(
-        'TileCacheService not initialized. Call initialize() first.',
-      );
-    }
-
-    final stores = await FMTCRoot.stats.storesAvailable;
-    return stores.map((store) => store.storeName).toList();
-  }
-
-  Future<Map<String, dynamic>> getStoreStats() async {
-    if (!_isInitialized) return {};
-
-    final length = await _store.stats.length;
-    final size = await _store.stats.all.then((a) => a.size);
-
-    return {
-      'tileCount': length,
-      'sizeMB': size / 1024,
-      'storeName': _storeName,
-    };
-  }
-
-  /// Get vector tile provider for MBTiles layers
-  MbTilesVectorTileProvider? getVectorTileProvider(MapLayer layer) {
-    if (!layer.isVector || layer.mbtilesFile == null) {
-      return null;
-    }
-
-    try {
-      final mbtiles = MbTiles(
-        mbtilesPath: layer.mbtilesFile!.path,
-        gzip: layer.isGzipped ?? false,
-      );
-
-      return MbTilesVectorTileProvider(
-        mbtiles: mbtiles,
-      );
-    } catch (e) {
-      debugPrint('Error creating vector tile provider: $e');
-      return null;
-    }
-  }
-
-  /// Export the current tile cache store to an archive file
-  ///
-  /// [outputPath] - Full path where the archive should be saved (e.g., '/path/to/export.fmtc')
-  ///
-  /// Returns the number of tiles exported
-  Future<int> exportStore(String outputPath) async {
-    if (!_isInitialized) {
-      throw StateError(
-        'TileCacheService not initialized. Call initialize() first.',
-      );
-    }
-
-    try {
-      final external = FMTCRoot.external(pathToArchive: outputPath);
-      final result = await external.export(storeNames: [_storeName]);
-
-      debugPrint('Export completed: $result tiles exported to $outputPath');
-      return result;
-    } catch (e) {
-      debugPrint('Error exporting store: $e');
-      rethrow;
-    }
-  }
-
-  /// Import a tile cache store from an archive file
-  ///
-  /// [filePath] - Path to the .fmtc archive file to import
-  /// [storeNames] - Optional list of store names to import (null = import all)
-  /// [strategy] - Conflict resolution strategy (default: merge)
-  ///
-  /// Returns a map with import statistics (e.g., tile count, stores imported)
-  Future<Map<String, dynamic>> importStore(
-    String filePath, {
-    List<String>? storeNames,
-    ImportConflictStrategy strategy = ImportConflictStrategy.merge,
-  }) async {
-    if (!_isInitialized) {
-      throw StateError(
-        'TileCacheService not initialized. Call initialize() first.',
-      );
-    }
-
-    try {
-      final external = FMTCRoot.external(pathToArchive: filePath);
-      final result = external.import(storeNames: storeNames, strategy: strategy);
-
-      // Wait for the import to complete and get tile count
-      final tileCount = await result.complete;
-
-      // Wait for store states
-      final storesToStates = await result.storesToStates;
-
-      debugPrint('Import completed: $tileCount tiles imported, ${storesToStates.length} stores');
-
-      // Count successful stores (those that weren't skipped)
-      final successfulCount = storesToStates.values.where((state) => state.name != null).length;
-
-      return {
-        'successfulStores': successfulCount,
-        'tileCount': tileCount,
-        'storesToStates': storesToStates,
-      };
-    } catch (e) {
-      debugPrint('Error importing store: $e');
-      rethrow;
-    }
-  }
-
-  /// List all stores available in an archive file without importing
-  ///
-  /// [filePath] - Path to the .fmtc archive file to inspect
-  ///
-  /// Returns a list of store names contained in the archive
-  Future<List<String>> listArchiveStores(String filePath) async {
-    try {
-      final external = FMTCRoot.external(pathToArchive: filePath);
-      final stores = await external.listStores;
-      debugPrint('Archive contains ${stores.length} stores: $stores');
-      return stores;
-    } catch (e) {
-      debugPrint('Error listing archive stores: $e');
-      rethrow;
-    }
-  }
-
-  void dispose() {
-    _isInitialized = false;
-  }
-}

lib/utils/avatar_label_helper.dart

@@ -1,4 +1,6 @@
 class AvatarLabelHelper {
+  static final RegExp _alnumChunks = RegExp(r'[A-Za-z0-9]+');
+
   static String buildLabel(String name) {
     final trimmed = name.trim();
     if (trimmed.isEmpty) return '?';
@@ -11,18 +13,23 @@ class AvatarLabelHelper {
       return '#${_take(hashBody, 2)}'.toUpperCase();
     }
 
-    final parts = trimmed
+    final parts = _alnumChunks
-        .split(RegExp(r'[\s_-]+'))
+        .allMatches(trimmed)
+        .map((match) => match.group(0)!)
         .where((part) => part.isNotEmpty)
         .toList();
 
+    if (parts.isEmpty) {
+      return '?';
+    }
+
     if (parts.length >= 2) {
       final first = _take(parts[0], 1);
       final second = _take(parts[1], 1);
       return '$first$second'.toUpperCase();
     }
 
-    return _take(trimmed, 2).toUpperCase();
+    return _take(parts.first, 2).toUpperCase();
   }
 
   static String _take(String value, int count) {

lib/utils/contact_grouping.dart

@@ -0,0 +1,116 @@
+import '../models/contact.dart';
+
+class InferredContactGroup {
+  final String key;
+  final String label;
+  final List<Contact> contacts;
+
+  const InferredContactGroup({
+    required this.key,
+    required this.label,
+    required this.contacts,
+  });
+
+  DateTime get latestSeen => contacts.first.lastSeenTime;
+}
+
+class ContactListItem {
+  final Contact? contact;
+  final InferredContactGroup? group;
+
+  const ContactListItem._({this.contact, this.group});
+
+  const ContactListItem.contact(Contact contact) : this._(contact: contact);
+
+  const ContactListItem.group(InferredContactGroup group)
+    : this._(group: group);
+
+  bool get isGroup => group != null;
+
+  DateTime get latestSeen => group?.latestSeen ?? contact!.lastSeenTime;
+}
+
+class ContactGrouping {
+  static final RegExp _prefixedNamePattern = RegExp(
+    r'^([A-Za-z0-9]{2,})([-_/:])',
+  );
+
+  static List<Contact> sortByLastSeen(List<Contact> contacts) {
+    return List<Contact>.from(contacts)
+      ..sort((a, b) => b.lastSeenTime.compareTo(a.lastSeenTime));
+  }
+
+  static List<ContactListItem> buildItems(
+    List<Contact> contacts, {
+    int minGroupSize = 4,
+  }) {
+    final sortedContacts = sortByLastSeen(contacts);
+    return buildItemsFromSorted(sortedContacts, minGroupSize: minGroupSize);
+  }
+
+  static List<ContactListItem> buildItemsFromSorted(
+    List<Contact> sortedContacts, {
+    int minGroupSize = 4,
+  }) {
+    final groupedContacts = <String, List<Contact>>{};
+    final groupLabels = <String, String>{};
+
+    for (final contact in sortedContacts) {
+      final prefix = _extractPrefix(contact.displayName);
+      if (prefix == null) continue;
+      groupedContacts.putIfAbsent(prefix.key, () => <Contact>[]).add(contact);
+      groupLabels.putIfAbsent(prefix.key, () => prefix.label);
+    }
+
+    final eligibleGroups = <String, InferredContactGroup>{};
+    for (final entry in groupedContacts.entries) {
+      if (entry.value.length < minGroupSize) continue;
+      eligibleGroups[entry.key] = InferredContactGroup(
+        key: entry.key,
+        label: groupLabels[entry.key] ?? entry.key,
+        contacts: entry.value,
+      );
+    }
+
+    final emittedGroups = <String>{};
+    final items = <ContactListItem>[];
+
+    for (final contact in sortedContacts) {
+      final prefix = _extractPrefix(contact.displayName);
+      final group = prefix == null ? null : eligibleGroups[prefix.key];
+      if (group == null) {
+        items.add(ContactListItem.contact(contact));
+        continue;
+      }
+      if (emittedGroups.add(group.key)) {
+        items.add(ContactListItem.group(group));
+      }
+    }
+
+    return items;
+  }
+
+  static _GroupPrefix? _extractPrefix(String name) {
+    final trimmed = name.trim();
+    if (trimmed.isEmpty) return null;
+
+    final match = _prefixedNamePattern.firstMatch(trimmed);
+    if (match == null) return null;
+
+    final rawPrefix = match.group(1);
+    final separator = match.group(2);
+    if (rawPrefix == null || separator == null) return null;
+
+    return _GroupPrefix(
+      key: rawPrefix.toUpperCase(),
+      label: '$rawPrefix$separator',
+    );
+  }
+}
+
+class _GroupPrefix {
+  final String key;
+  final String label;
+
+  const _GroupPrefix({required this.key, required this.label});
+}

lib/utils/fast_gps_packet.dart

@@ -0,0 +1,69 @@
+import 'dart:typed_data';
+
+class FastGpsPacket {
+  static const int magic = 0x47; // 'G'
+  static const int _payloadLength = 19;
+  // Store coordinates in microdegrees. This preserves sub-meter precision,
+  // which comfortably satisfies the meter-accuracy requirement.
+  static const double coordinateScale = 1e6;
+
+  final String senderKey6;
+  final double latitude;
+  final double longitude;
+  final int timestampSeconds;
+
+  const FastGpsPacket({
+    required this.senderKey6,
+    required this.latitude,
+    required this.longitude,
+    required this.timestampSeconds,
+  });
+
+  static bool isFastGpsBinary(Uint8List payload) =>
+      payload.length == _payloadLength && payload[0] == magic;
+
+  static FastGpsPacket? tryParseBinary(Uint8List payload) {
+    if (!isFastGpsBinary(payload)) return null;
+
+    final key6 = payload
+        .sublist(1, 7)
+        .map((b) => b.toRadixString(16).padLeft(2, '0'))
+        .join();
+    final data = ByteData.sublistView(payload);
+    final latitude = data.getInt32(7, Endian.little) / coordinateScale;
+    final longitude = data.getInt32(11, Endian.little) / coordinateScale;
+    final timestampSeconds = data.getUint32(15, Endian.little);
+
+    if (!_isValidCoordinate(latitude, longitude)) {
+      return null;
+    }
+
+    return FastGpsPacket(
+      senderKey6: key6,
+      latitude: latitude,
+      longitude: longitude,
+      timestampSeconds: timestampSeconds,
+    );
+  }
+
+  Uint8List encodeBinary() {
+    final out = Uint8List(_payloadLength);
+    final data = ByteData.sublistView(out);
+    out[0] = magic;
+    for (var i = 0; i < 6; i++) {
+      out[1 + i] = int.parse(senderKey6.substring(i * 2, i * 2 + 2), radix: 16);
+    }
+    data.setInt32(7, (latitude * coordinateScale).round(), Endian.little);
+    data.setInt32(11, (longitude * coordinateScale).round(), Endian.little);
+    data.setUint32(15, timestampSeconds, Endian.little);
+    return out;
+  }
+
+  static bool _isValidCoordinate(double latitude, double longitude) {
+    if (!latitude.isFinite || !longitude.isFinite) return false;
+    return latitude >= -90.0 &&
+        latitude <= 90.0 &&
+        longitude >= -180.0 &&
+        longitude <= 180.0;
+  }
+}

lib/utils/log_rx_route_decoder.dart

@@ -4,38 +4,51 @@ import '../models/contact.dart';
 
 class DecodedLogRxRoute {
   final int payloadType;
-  final List<int> pathHashes;
+  final int pathDescriptor;
+  final List<int> pathBytes;
+  final int hashSize;
 
   const DecodedLogRxRoute({
     required this.payloadType,
-    required this.pathHashes,
+    required this.pathDescriptor,
+    required this.pathBytes,
+    required this.hashSize,
   });
 
-  int? get originalSenderHash => pathHashes.isEmpty ? null : pathHashes.first;
+  List<String> get hopHashes =>
+      LogRxRouteDecoder.splitHopHashes(pathBytes, hashSize: hashSize);
+
+  int get hopCount => hopHashes.length;
+
+  String? get originalSenderHashHex =>
+      hopHashes.isEmpty ? null : hopHashes.first;
 }
 
 class ResolvedNodeHash {
-  final int hash;
+  final String hashHex;
   final String label;
   final bool isOwnNode;
   final bool isUniqueMatch;
   final int matchCount;
 
   const ResolvedNodeHash({
-    required this.hash,
+    required this.hashHex,
     required this.label,
     required this.isOwnNode,
     required this.isUniqueMatch,
     required this.matchCount,
   });
 
-  String get hexLabel => '0x${hash.toRadixString(16).padLeft(2, '0')}';
+  String get hexLabel => '0x${hashHex.toUpperCase()}';
 }
 
 class LogRxRouteDecoder {
   const LogRxRouteDecoder._();
 
-  static DecodedLogRxRoute? decode(Uint8List rawData) {
+  static DecodedLogRxRoute? decode(
+    Uint8List rawData, {
+    int? preferredHashSize,
+  }) {
     if (rawData.length < 5 || rawData[0] != 0x88) return null;
 
     final rawPacketData = rawData.sublist(3);
@@ -52,30 +65,109 @@ class LogRxRouteDecoder {
     }
 
     if (rawPacketData.length <= index) return null;
-    final pathLen = rawPacketData[index++];
+    final pathDescriptor = rawPacketData[index++];
-    if (rawPacketData.length < index + pathLen) return null;
+    final pathMode = (pathDescriptor & 0xFF) >> 6;
+    final pathByteLen = pathMode == 0
+        ? pathDescriptor
+        : descriptorByteLength(pathDescriptor);
+    if (pathByteLen == null || rawPacketData.length < index + pathByteLen) {
+      return null;
+    }
+    final pathBytes = rawPacketData.sublist(index, index + pathByteLen);
+    final hashSize = pathMode == 0
+        ? inferHashSize(pathBytes, preferredHashSize: preferredHashSize)
+        : (descriptorHashSize(pathDescriptor) ??
+              inferHashSize(pathBytes, preferredHashSize: preferredHashSize));
 
     return DecodedLogRxRoute(
       payloadType: payloadType,
-      pathHashes: rawPacketData.sublist(index, index + pathLen),
+      pathDescriptor: pathDescriptor,
+      pathBytes: pathBytes,
+      hashSize: hashSize,
     );
   }
 
+  static int? descriptorHashSize(int pathDescriptor) {
+    final normalized = pathDescriptor & 0xFF;
+    final mode = normalized >> 6;
+    if (mode == 3) return null;
+    return mode + 1;
+  }
+
+  static int? descriptorHopCount(int pathDescriptor) {
+    final hashSize = descriptorHashSize(pathDescriptor);
+    if (hashSize == null) return null;
+    return (pathDescriptor & 0xFF) & 0x3F;
+  }
+
+  static int? descriptorByteLength(int pathDescriptor) {
+    final hashSize = descriptorHashSize(pathDescriptor);
+    final hopCount = descriptorHopCount(pathDescriptor);
+    if (hashSize == null || hopCount == null) return null;
+    final byteLen = hopCount * hashSize;
+    return byteLen <= 64 ? byteLen : null;
+  }
+
+  static int inferHashSize(List<int> pathBytes, {int? preferredHashSize}) {
+    if (pathBytes.isEmpty) return 1;
+
+    final normalizedPreferred =
+        preferredHashSize != null &&
+            preferredHashSize >= 1 &&
+            preferredHashSize <= 3
+        ? preferredHashSize
+        : null;
+    if (normalizedPreferred != null &&
+        pathBytes.length % normalizedPreferred == 0) {
+      return normalizedPreferred;
+    }
+
+    for (final candidate in const [3, 2, 1]) {
+      if (pathBytes.length % candidate == 0) {
+        return candidate;
+      }
+    }
+
+    return 1;
+  }
+
+  static List<String> splitHopHashes(
+    List<int> pathBytes, {
+    required int hashSize,
+  }) {
+    if (pathBytes.isEmpty) return const [];
+    if (hashSize < 1 || hashSize > 3 || pathBytes.length % hashSize != 0) {
+      return pathBytes
+          .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
+          .toList();
+    }
+
+    final hops = <String>[];
+    for (var index = 0; index < pathBytes.length; index += hashSize) {
+      hops.add(
+        pathBytes
+            .sublist(index, index + hashSize)
+            .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
+            .join(),
+      );
+    }
+    return hops;
+  }
+
   static ResolvedNodeHash resolveHash(
-    int hash, {
+    String hashHex, {
     required Iterable<Contact> contacts,
     Uint8List? ownPublicKey,
     String? ownName,
   }) {
-    final ownHash = ownPublicKey != null && ownPublicKey.isNotEmpty
+    final normalizedHashHex = hashHex.toLowerCase();
-        ? ownPublicKey.first
+    final ownKeyHex = _bytesToHex(ownPublicKey);
-        : null;
+    if (ownKeyHex != null && ownKeyHex.startsWith(normalizedHashHex)) {
-    if (ownHash == hash) {
       final ownLabel = (ownName != null && ownName.trim().isNotEmpty)
           ? '$ownName (you)'
           : 'You';
       return ResolvedNodeHash(
-        hash: hash,
+        hashHex: normalizedHashHex,
         label: ownLabel,
         isOwnNode: true,
         isUniqueMatch: true,
@@ -84,12 +176,12 @@ class LogRxRouteDecoder {
     }
 
     final matches = contacts.where((contact) {
-      return contact.publicKey.isNotEmpty && contact.publicKey.first == hash;
+      return contact.publicKeyHex.toLowerCase().startsWith(normalizedHashHex);
     }).toList();
 
     if (matches.isEmpty) {
       return ResolvedNodeHash(
-        hash: hash,
+        hashHex: normalizedHashHex,
         label: 'Unknown',
         isOwnNode: false,
         isUniqueMatch: false,
@@ -99,7 +191,7 @@ class LogRxRouteDecoder {
 
     if (matches.length == 1) {
       return ResolvedNodeHash(
-        hash: hash,
+        hashHex: normalizedHashHex,
         label: matches.first.displayName,
         isOwnNode: false,
         isUniqueMatch: true,
@@ -119,11 +211,19 @@ class LogRxRouteDecoder {
         ? '$candidateNames +$extraCount'
         : candidateNames;
     return ResolvedNodeHash(
-      hash: hash,
+      hashHex: normalizedHashHex,
       label: label,
       isOwnNode: false,
       isUniqueMatch: false,
       matchCount: matches.length,
     );
   }
+
+  static String? _bytesToHex(Uint8List? bytes) {
+    if (bytes == null || bytes.isEmpty) return null;
+    return bytes
+        .map((byte) => byte.toRadixString(16).padLeft(2, '0'))
+        .join()
+        .toLowerCase();
+  }
 }

lib/utils/message_extensions.dart

@@ -1,12 +1,17 @@
 import 'package:flutter/widgets.dart';
+import 'package:provider/provider.dart';
 import '../models/message.dart';
 import '../l10n/app_localizations.dart';
+import '../providers/messages_provider.dart';
 
 /// Extension for Message to provide localized delivery status
 extension MessageLocalization on Message {
   /// Get localized delivery status text
   String getLocalizedDeliveryStatus(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
+    final routeMetadata = context
+        .read<MessagesProvider>()
+        .getMessageRouteMetadata(id);
 
     // For channel messages, show echo count instead of delivery status
     if (isChannelMessage && deliveryStatus == MessageDeliveryStatus.sent) {
@@ -26,29 +31,51 @@ extension MessageLocalization on Message {
       case MessageDeliveryStatus.sending:
         if (isContactMessage) {
           if (retryAttempt > 0) {
-            return '${l10n.pending} • ${l10n.retryAttempt} $retryAttempt/3';
+            final routeSuffix = routeMetadata != null
+                ? ' • ${routeMetadata.modeLabel}'
+                : '';
+            return '${l10n.pending} • ${l10n.retryAttempt} $retryAttempt/4$routeSuffix';
           }
-          return l10n.pending;
+          return routeMetadata == null
+              ? l10n.pending
+              : '${l10n.pending} • ${routeMetadata.modeLabel}';
         }
         return l10n.sending;
       case MessageDeliveryStatus.sent:
-        return l10n.sent;
+        return routeMetadata == null
+            ? l10n.sent
+            : '${l10n.sent} • ${routeMetadata.modeLabel}';
       case MessageDeliveryStatus.delivered:
         if (retryAttempt > 0 && roundTripTimeMs != null) {
-          return '${l10n.deliveredWithTime(roundTripTimeMs!)} • ${l10n.retryAttempt} $retryAttempt/3';
+          final routeSuffix = routeMetadata != null
+              ? ' • ${routeMetadata.modeLabel}'
+              : '';
+          return '${l10n.deliveredWithTime(roundTripTimeMs!)} • ${l10n.retryAttempt} $retryAttempt/4$routeSuffix';
         }
         if (retryAttempt > 0) {
-          return '${l10n.delivered} • ${l10n.retryAttempt} $retryAttempt/3';
+          final routeSuffix = routeMetadata != null
+              ? ' • ${routeMetadata.modeLabel}'
+              : '';
+          return '${l10n.delivered} • ${l10n.retryAttempt} $retryAttempt/4$routeSuffix';
         }
         if (roundTripTimeMs != null) {
-          return l10n.deliveredWithTime(roundTripTimeMs!);
+          return routeMetadata == null
+              ? l10n.deliveredWithTime(roundTripTimeMs!)
+              : '${l10n.deliveredWithTime(roundTripTimeMs!)} • ${routeMetadata.modeLabel}';
         }
-        return l10n.delivered;
+        return routeMetadata == null
+            ? l10n.delivered
+            : '${l10n.delivered} • ${routeMetadata.modeLabel}';
       case MessageDeliveryStatus.failed:
         if (retryAttempt > 0) {
-          return '${l10n.failed} • ${l10n.retryAttempt} $retryAttempt/3';
+          final routeSuffix = routeMetadata != null
+              ? ' • ${routeMetadata.modeLabel}'
+              : '';
+          return '${l10n.failed} • ${l10n.retryAttempt} $retryAttempt/4$routeSuffix';
         }
-        return l10n.failed;
+        return routeMetadata == null
+            ? l10n.failed
+            : '${l10n.failed} • ${routeMetadata.modeLabel}';
       case MessageDeliveryStatus.received:
         return '';
     }

lib/widgets/common/contact_avatar.dart

@@ -22,7 +22,7 @@ class ContactAvatar extends StatelessWidget {
     final foregroundColor = _getForegroundColor(backgroundColor);
     final emoji = contact.roleEmoji;
 
-    if (emoji != null && emoji.isNotEmpty) {
+    if (_showsLeadingEmoji && emoji != null && emoji.isNotEmpty) {
       return _buildAvatarFrame(
         backgroundColor: backgroundColor,
         child: Text(emoji, style: TextStyle(fontSize: radius * 1.05)),
@@ -86,8 +86,16 @@ class ContactAvatar extends StatelessWidget {
   bool get _usesSquareShape =>
       contact.type == ContactType.channel || contact.type == ContactType.room;
 
+  bool get _showsLeadingEmoji {
+    final emoji = contact.roleEmoji;
+    if (emoji == null || emoji.isEmpty) return false;
+
+    final effectiveName = (displayName ?? contact.displayName).trimLeft();
+    return effectiveName.startsWith(emoji);
+  }
+
   Color _getBackgroundColor(BuildContext context) {
-    if (_shouldUseLabelFallback || (contact.roleEmoji?.isNotEmpty ?? false)) {
+    if (_shouldUseLabelFallback || _showsLeadingEmoji) {
       return TrailColorService.getTrailColor(contact);
     }
 

lib/widgets/connection_mode_selector.dart

@@ -1,4 +1,5 @@
 import 'dart:io';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
@@ -25,6 +26,10 @@ class _ConnectionModeSelectorState extends State<ConnectionModeSelector> {
   }
 
   Future<void> _loadLocalIPs() async {
+    if (kIsWeb) {
+      return;
+    }
+
     final Set<String> ipsSet = {};
 
     try {

lib/widgets/contacts/add_channel_dialog.dart

@@ -35,16 +35,17 @@ class _AddChannelDialogState extends State<AddChannelDialog> {
   /// Validate channel name
   String? _validateName(String? value) {
     final l10n = AppLocalizations.of(context)!;
+    final trimmedValue = value?.trim() ?? '';
 
-    if (value == null || value.trim().isEmpty) {
+    if (trimmedValue.isEmpty) {
       return l10n.channelNameRequired;
     }
 
-    if (value.length > 31) {
+    if (trimmedValue.length > 31) {
       return l10n.channelNameTooLong;
     }
 
-    if (!_isAscii(value)) {
+    if (!_isAscii(trimmedValue)) {
       return l10n.invalidAsciiCharacters;
     }
 
@@ -105,7 +106,8 @@ class _AddChannelDialogState extends State<AddChannelDialog> {
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
     final theme = Theme.of(context);
-    final isHashChannel = _nameController.text.startsWith('#');
+    final normalizedName = _nameController.text.trimLeft();
+    final isHashChannel = normalizedName.startsWith('#');
 
     return AlertDialog(
       title: Text(l10n.addChannel),
@@ -163,8 +165,15 @@ class _AddChannelDialogState extends State<AddChannelDialog> {
                 enabled: !_isCreating,
                 maxLength: 31,
                 validator: _validateName,
-                textInputAction: TextInputAction.next,
+                textInputAction: isHashChannel
+                    ? TextInputAction.done
+                    : TextInputAction.next,
                 onChanged: (_) => setState(() {}), // Rebuild to update icon
+                onFieldSubmitted: (_) {
+                  if (isHashChannel) {
+                    _handleCreate();
+                  }
+                },
               ),
               // Channel Secret Field (only show for private channels)
               if (!isHashChannel) ...[

lib/widgets/contacts/contact_route_dialog.dart

@@ -1,8 +1,22 @@
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 
 import '../../models/contact.dart';
+import '../../providers/app_provider.dart';
 import '../../services/route_hash_preferences.dart';
 
+class ContactRouteDialogResult {
+  final ParsedContactRoute? route;
+  final bool shouldClear;
+
+  const ContactRouteDialogResult._({this.route, required this.shouldClear});
+
+  const ContactRouteDialogResult.set(ParsedContactRoute route)
+    : this._(route: route, shouldClear: false);
+
+  const ContactRouteDialogResult.clear() : this._(shouldClear: true);
+}
+
 class ContactRouteDialog extends StatefulWidget {
   final Contact contact;
   final List<Contact> availableContacts;
@@ -13,12 +27,12 @@ class ContactRouteDialog extends StatefulWidget {
     required this.availableContacts,
   });
 
-  static Future<ParsedContactRoute?> show(
+  static Future<ContactRouteDialogResult?> show(
     BuildContext context, {
     required Contact contact,
     required List<Contact> availableContacts,
   }) {
-    return showModalBottomSheet<ParsedContactRoute>(
+    return showModalBottomSheet<ContactRouteDialogResult>(
       context: context,
       isScrollControlled: true,
       showDragHandle: true,
@@ -45,6 +59,7 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
   int _selectedHashSize = RouteHashPreferences.defaultHashSize;
   ParsedContactRoute? _parsedRoute;
   String? _errorText;
+  bool _showRoutingInfo = false;
 
   @override
   void initState() {
@@ -121,6 +136,7 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
 
   @override
   Widget build(BuildContext context) {
+    final appProvider = context.watch<AppProvider>();
     final routeCandidates =
         widget.availableContacts
             .where((contact) => contact.isRepeater || contact.isRoom)
@@ -172,6 +188,19 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
               ),
             ],
             const SizedBox(height: 16),
+            _AutomationRoutingInfo(
+              isExpanded: _showRoutingInfo,
+              onToggle: () {
+                setState(() {
+                  _showRoutingInfo = !_showRoutingInfo;
+                });
+              },
+              autoRouteRotationEnabled: appProvider.autoRouteRotationEnabled,
+              nearestRelayFallbackEnabled:
+                  appProvider.nearestRelayFallbackEnabled,
+              clearPathOnMaxRetry: appProvider.clearPathOnMaxRetry,
+            ),
+            const SizedBox(height: 16),
             Text(
               'Pick hops from contacts',
               style: Theme.of(context).textTheme.labelLarge,
@@ -191,10 +220,6 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
                       dense: true,
                       contentPadding: EdgeInsets.zero,
                       title: Text(candidate.displayName),
-                      subtitle: Text(
-                        '1B ${_tokenFor(candidate, 1)} • 2B ${_tokenFor(candidate, 2)} • 3B ${_tokenFor(candidate, 3)}',
-                        style: const TextStyle(fontFamily: 'monospace'),
-                      ),
                       trailing: TextButton(
                         onPressed: () => _appendHop(candidate),
                         child: Text(
@@ -212,11 +237,20 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
                   onPressed: () => Navigator.of(context).pop(),
                   child: const Text('Cancel'),
                 ),
+                if (widget.contact.routeHasPath)
+                  TextButton(
+                    onPressed: () => Navigator.of(
+                      context,
+                    ).pop(const ContactRouteDialogResult.clear()),
+                    child: const Text('Clear Route'),
+                  ),
                 const Spacer(),
                 FilledButton(
                   onPressed: _parsedRoute == null
                       ? null
-                      : () => Navigator.of(context).pop(_parsedRoute),
+                      : () => Navigator.of(
+                          context,
+                        ).pop(ContactRouteDialogResult.set(_parsedRoute!)),
                   child: const Text('Set Route'),
                 ),
               ],
@@ -227,3 +261,134 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
     );
   }
 }
+
+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,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Container(
+      width: double.infinity,
+      padding: const EdgeInsets.all(12),
+      decoration: BoxDecoration(
+        color: colorScheme.surfaceContainerHighest.withValues(alpha: 0.45),
+        borderRadius: BorderRadius.circular(12),
+        border: Border.all(color: colorScheme.outlineVariant),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          InkWell(
+            borderRadius: BorderRadius.circular(8),
+            onTap: onToggle,
+            child: Padding(
+              padding: const EdgeInsets.symmetric(vertical: 2),
+              child: Row(
+                children: [
+                  Icon(
+                    Icons.info_outline,
+                    size: 18,
+                    color: colorScheme.primary,
+                  ),
+                  const SizedBox(width: 8),
+                  Expanded(
+                    child: Text(
+                      'Automatic direct-send routing',
+                      style: Theme.of(context).textTheme.titleSmall,
+                    ),
+                  ),
+                  Icon(
+                    isExpanded ? Icons.expand_less : Icons.expand_more,
+                    color: colorScheme.primary,
+                  ),
+                ],
+              ),
+            ),
+          ),
+          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.',
+              style: Theme.of(context).textTheme.bodySmall,
+            ),
+            const SizedBox(height: 8),
+            Text(
+              'Public and channel broadcasts are not affected by this automation.',
+              style: Theme.of(context).textTheme.bodySmall,
+            ),
+            const SizedBox(height: 10),
+            Wrap(
+              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'
+                      : 'Nearest repeater fallback off',
+                  icon: Icons.router,
+                ),
+                _InfoChip(
+                  label: clearPathOnMaxRetry
+                      ? 'Clear path on max retry on'
+                      : 'Clear path on max retry off',
+                  icon: Icons.route,
+                ),
+              ],
+            ),
+          ] else ...[
+            const SizedBox(height: 6),
+            Text(
+              'Shows retry, rotation, and final repeater fallback behavior.',
+              style: Theme.of(context).textTheme.bodySmall,
+            ),
+          ],
+        ],
+      ),
+    );
+  }
+}
+
+class _InfoChip extends StatelessWidget {
+  final String label;
+  final IconData icon;
+
+  const _InfoChip({required this.label, required this.icon});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
+      decoration: BoxDecoration(
+        borderRadius: BorderRadius.circular(999),
+        color: Theme.of(context).colorScheme.surface,
+      ),
+      child: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Icon(icon, size: 14),
+          const SizedBox(width: 6),
+          Text(label, style: Theme.of(context).textTheme.labelMedium),
+        ],
+      ),
+    );
+  }
+}

lib/widgets/map/download_area_overlay.dart

@@ -1,108 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_map/flutter_map.dart';
-
-/// Overlay widget that displays controls for download area selection.
-/// The actual polygon should be rendered inside FlutterMap's children.
-class DownloadAreaOverlay extends StatelessWidget {
-  final LatLngBounds bounds;
-  final VoidCallback onConfirm;
-  final VoidCallback onCancel;
-
-  const DownloadAreaOverlay({
-    super.key,
-    required this.bounds,
-    required this.onConfirm,
-    required this.onCancel,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return Stack(
-      children: [
-        // Control buttons at the top
-        Positioned(
-          top: 16,
-          left: 16,
-          right: 16,
-          child: Card(
-            child: Padding(
-              padding: const EdgeInsets.all(12.0),
-              child: Column(
-                mainAxisSize: MainAxisSize.min,
-                crossAxisAlignment: CrossAxisAlignment.stretch,
-                children: [
-                  Text(
-                    'Download Area Selection',
-                    style: Theme.of(context).textTheme.titleMedium,
-                    textAlign: TextAlign.center,
-                  ),
-                  const SizedBox(height: 8),
-                  Text(
-                    'The blue rectangle shows the area to be downloaded. '
-                    'To change the area, tap Cancel and select download again.',
-                    style: Theme.of(context).textTheme.bodySmall,
-                    textAlign: TextAlign.center,
-                  ),
-                  const SizedBox(height: 12),
-                  Row(
-                    mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-                    children: [
-                      Expanded(
-                        child: OutlinedButton.icon(
-                          onPressed: onCancel,
-                          icon: const Icon(Icons.close),
-                          label: const Text('Cancel'),
-                        ),
-                      ),
-                      const SizedBox(width: 12),
-                      Expanded(
-                        child: FilledButton.icon(
-                          onPressed: onConfirm,
-                          icon: const Icon(Icons.check),
-                          label: const Text('Confirm'),
-                        ),
-                      ),
-                    ],
-                  ),
-                ],
-              ),
-            ),
-          ),
-        ),
-
-        // Area info at the bottom
-        Positioned(
-          bottom: 16,
-          left: 16,
-          right: 16,
-          child: Card(
-            child: Padding(
-              padding: const EdgeInsets.all(12.0),
-              child: Column(
-                mainAxisSize: MainAxisSize.min,
-                crossAxisAlignment: CrossAxisAlignment.start,
-                children: [
-                  Text(
-                    'Area Bounds',
-                    style: Theme.of(context).textTheme.titleSmall,
-                  ),
-                  const SizedBox(height: 4),
-                  Text(
-                    'N: ${bounds.north.toStringAsFixed(4)}° '
-                    'S: ${bounds.south.toStringAsFixed(4)}°',
-                    style: Theme.of(context).textTheme.bodySmall,
-                  ),
-                  Text(
-                    'E: ${bounds.east.toStringAsFixed(4)}° '
-                    'W: ${bounds.west.toStringAsFixed(4)}°',
-                    style: Theme.of(context).textTheme.bodySmall,
-                  ),
-                ],
-              ),
-            ),
-          ),
-        ),
-      ],
-    );
-  }
-}

lib/widgets/map/drawing_layer.dart

@@ -8,14 +8,8 @@ import '../../l10n/app_localizations.dart';
 class DrawingLayer extends StatelessWidget {
   final List<MapDrawing> drawings;
   final MapDrawing? previewDrawing;
-  final bool isSimpleMode;
 
-  const DrawingLayer({
+  const DrawingLayer({super.key, required this.drawings, this.previewDrawing});
-    super.key,
-    required this.drawings,
-    this.previewDrawing,
-    this.isSimpleMode = false,
-  });
 
   @override
   Widget build(BuildContext context) {
@@ -48,8 +42,7 @@ class DrawingLayer extends StatelessWidget {
       strokeWidth = 4.0;
     } else if (drawing.isReceived) {
       // Received drawing from another node
-      // In simple mode: solid (opacity 1.0), in normal mode: translucent (0.7)
+      opacity = 1.0;
-      opacity = isSimpleMode ? 1.0 : 0.7;
       strokeWidth = 3.0;
     } else {
       // Local drawing (solid line, normal thickness)
@@ -87,7 +80,6 @@ class DrawingMarkersLayer extends StatelessWidget {
   final Function(String drawingId)? onDeleteDrawing;
   final Function(MapDrawing drawing)? onTapDrawing;
   final bool showDeleteButtons;
-  final bool isSimpleMode;
 
   const DrawingMarkersLayer({
     super.key,
@@ -95,7 +87,6 @@ class DrawingMarkersLayer extends StatelessWidget {
     this.onDeleteDrawing,
     this.onTapDrawing,
     this.showDeleteButtons = false,
-    this.isSimpleMode = false,
   });
 
   @override
@@ -132,73 +123,7 @@ class DrawingMarkersLayer extends StatelessWidget {
                       ),
                     ],
                   ),
-                  child: const Icon(
+                  child: const Icon(Icons.close, color: Colors.white, size: 20),
-                    Icons.close,
-                    color: Colors.white,
-                    size: 20,
-                  ),
-                ),
-              ),
-            ),
-          );
-        } else if (drawing.isReceived && drawing.senderName != null && !isSimpleMode) {
-          // Show sender badge for received drawings (when not in drawing mode and not in simple mode)
-          // Make it tappable if message ID is available
-          markers.add(
-            Marker(
-              point: centerPoint,
-              width: 120,
-              height: 30,
-              child: GestureDetector(
-                onTap: drawing.messageId != null && onTapDrawing != null
-                    ? () => onTapDrawing!(drawing)
-                    : null,
-                child: Container(
-                  padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
-                  decoration: BoxDecoration(
-                    color: drawing.color.withValues(alpha: 0.9),
-                    borderRadius: BorderRadius.circular(12),
-                    border: Border.all(color: Colors.white, width: 1.5),
-                    boxShadow: [
-                      BoxShadow(
-                        color: Colors.black.withValues(alpha: 0.3),
-                        blurRadius: 4,
-                        offset: const Offset(0, 2),
-                      ),
-                    ],
-                  ),
-                  child: Row(
-                    mainAxisSize: MainAxisSize.min,
-                    children: [
-                      const Icon(
-                        Icons.person,
-                        color: Colors.white,
-                        size: 14,
-                      ),
-                      const SizedBox(width: 4),
-                      Flexible(
-                        child: Text(
-                          drawing.senderName!,
-                          style: const TextStyle(
-                            color: Colors.white,
-                            fontSize: 11,
-                            fontWeight: FontWeight.bold,
-                          ),
-                          overflow: TextOverflow.ellipsis,
-                          maxLines: 1,
-                        ),
-                      ),
-                      // Add indicator that this is tappable
-                      if (drawing.messageId != null && onTapDrawing != null) ...[
-                        const SizedBox(width: 4),
-                        const Icon(
-                          Icons.arrow_forward_ios,
-                          color: Colors.white,
-                          size: 10,
-                        ),
-                      ],
-                    ],
-                  ),
                 ),
               ),
             ),
@@ -236,9 +161,7 @@ class DrawingMarkersLayer extends StatelessWidget {
       context: context,
       builder: (context) => AlertDialog(
         title: Text(AppLocalizations.of(context)!.deleteDrawing),
-        content: Text(
+        content: Text('Delete this ${drawing.type.name}?'),
-          'Delete this ${drawing.type.name}?',
-        ),
         actions: [
           TextButton(
             onPressed: () => Navigator.pop(context),
@@ -249,9 +172,7 @@ class DrawingMarkersLayer extends StatelessWidget {
               Navigator.pop(context);
               onDeleteDrawing?.call(drawing.id);
             },
-            style: TextButton.styleFrom(
+            style: TextButton.styleFrom(foregroundColor: Colors.red),
-              foregroundColor: Colors.red,
-            ),
             child: Text(AppLocalizations.of(context)!.delete),
           ),
         ],

lib/widgets/map/trail_controls.dart

@@ -1,8 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+import '../../models/contact.dart';
+import '../../models/location_trail.dart';
 import '../../providers/map_provider.dart';
 import '../../providers/contacts_provider.dart';
-import '../../providers/app_provider.dart';
 import '../../services/gpx_service.dart';
 import '../../services/trail_color_service.dart';
 import '../../l10n/app_localizations.dart';
@@ -13,10 +14,11 @@ class TrailControls extends StatelessWidget {
 
   void _showTrailMenu(BuildContext context) {
     final mapProvider = Provider.of<MapProvider>(context, listen: false);
-    final contactsProvider = Provider.of<ContactsProvider>(context, listen: false);
+    final contactsProvider = Provider.of<ContactsProvider>(
-    final appProvider = Provider.of<AppProvider>(context, listen: false);
+      context,
+      listen: false,
+    );
     final l10n = AppLocalizations.of(context)!;
-    final isSimpleMode = appProvider.isSimpleMode;
 
     // Get contacts with trails (advertHistory >= 2 points)
     final contactsWithTrails = contactsProvider.contactsWithLocation
@@ -34,258 +36,265 @@ class TrailControls extends StatelessWidget {
               mainAxisSize: MainAxisSize.min,
               crossAxisAlignment: CrossAxisAlignment.stretch,
               children: [
-              Row(
+                Row(
-                children: [
-                  const Icon(Icons.timeline, size: 24),
-                  const SizedBox(width: 12),
-                  Text(
-                    l10n.locationTrail,
-                    style: const TextStyle(
-                      fontSize: 20,
-                      fontWeight: FontWeight.bold,
-                    ),
-                  ),
-                ],
-              ),
-              const SizedBox(height: 20),
-
-              // Trail visibility toggle
-              SwitchListTile(
-                secondary: const Icon(Icons.visibility),
-                title: Text(l10n.showTrailOnMap),
-                subtitle: Text(
-                  mapProvider.isTrailVisible
-                    ? l10n.trailVisible
-                    : l10n.trailHiddenRecording,
-                ),
-                value: mapProvider.isTrailVisible,
-                onChanged: (value) {
-                  mapProvider.toggleTrailVisibility();
-                  setModalState(() {}); // Update modal UI
-                },
-              ),
-              const Divider(),
-              const SizedBox(height: 8),
-
-              // Trail stats
-            if (mapProvider.currentTrail != null && mapProvider.currentTrail!.points.isNotEmpty)
-              Container(
-                padding: const EdgeInsets.all(12),
-                decoration: BoxDecoration(
-                  color: Colors.blue.withValues(alpha: 0.1),
-                  borderRadius: BorderRadius.circular(8),
-                  border: Border.all(color: Colors.blue.withValues(alpha: 0.3)),
-                ),
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
                   children: [
-                    _buildStatRow(
+                    const Icon(Icons.timeline, size: 24),
-                      icon: Icons.straighten,
+                    const SizedBox(width: 12),
-                      label: l10n.distance,
+                    Text(
-                      value: _formatDistance(mapProvider.totalTrailDistance),
+                      l10n.locationTrail,
-                    ),
+                      style: const TextStyle(
-                    const SizedBox(height: 8),
+                        fontSize: 20,
-                    _buildStatRow(
+                        fontWeight: FontWeight.bold,
-                      icon: Icons.access_time,
+                      ),
-                      label: l10n.duration,
-                      value: _formatDuration(mapProvider.trailDuration),
-                    ),
-                    const SizedBox(height: 8),
-                    _buildStatRow(
-                      icon: Icons.place,
-                      label: l10n.points,
-                      value: '${mapProvider.currentTrail!.points.length}',
                     ),
                   ],
                 ),
-              ),
+                const SizedBox(height: 20),
 
-            const SizedBox(height: 16),
+                // Trail visibility toggle
-
+                SwitchListTile(
-            // GPX Export/Import buttons (hidden in simple mode)
+                  secondary: const Icon(Icons.visibility),
-            if (!isSimpleMode) ...[
+                  title: Text(l10n.showTrailOnMap),
-              if (mapProvider.currentTrail != null && mapProvider.currentTrail!.points.isNotEmpty)
+                  subtitle: Text(
-                ElevatedButton.icon(
+                    mapProvider.isTrailVisible
-                  onPressed: () async {
+                        ? l10n.trailVisible
-                    final success = await GpxService.exportTrailToFile(mapProvider.currentTrail!);
+                        : l10n.trailHiddenRecording,
-                    if (context.mounted) {
+                  ),
-                      ScaffoldMessenger.of(context).showSnackBar(
+                  value: mapProvider.isTrailVisible,
-                        SnackBar(
+                  onChanged: (value) {
-                          content: Text(success
+                    mapProvider.toggleTrailVisibility();
-                            ? l10n.trailExportedSuccessfully
+                    setModalState(() {}); // Update modal UI
-                            : l10n.failedToExportTrail),
-                          backgroundColor: success ? Colors.green : Colors.red,
-                        ),
-                      );
-                    }
                   },
-                  icon: const Icon(Icons.upload),
-                  label: Text(l10n.exportTrailToGpx),
-                  style: ElevatedButton.styleFrom(
-                    padding: const EdgeInsets.all(16),
-                  ),
                 ),
+                const Divider(),
+                const SizedBox(height: 8),
 
-              const SizedBox(height: 8),
+                Wrap(
-
+                  spacing: 12,
-              ElevatedButton.icon(
+                  runSpacing: 12,
-                onPressed: () async {
+                  children: [
-                  try {
+                    OutlinedButton.icon(
-                    final trail = await GpxService.importTrailFromFile();
+                      onPressed: () => _importTrail(context, mapProvider),
-                    if (trail != null && context.mounted) {
+                      icon: const Icon(Icons.file_upload_outlined),
-                      _showImportDialog(context, mapProvider, trail, l10n);
+                      label: Text(l10n.importFromClipboard),
-                    }
+                    ),
-                  } catch (e) {
+                    if (mapProvider.currentTrail != null &&
-                    if (context.mounted) {
+                        mapProvider.currentTrail!.points.length >= 2)
-                      ScaffoldMessenger.of(context).showSnackBar(
+                      OutlinedButton.icon(
-                        SnackBar(
+                        onPressed: () => _exportTrail(
-                          content: Text(l10n.failedToImportTrail(e.toString())),
+                          context,
-                          backgroundColor: Colors.red,
+                          mapProvider.currentTrail!,
-                        ),
+                          customName: 'My Trail',
-                      );
-                    }
-                  }
-                },
-                icon: const Icon(Icons.download),
-                label: Text(l10n.importTrailFromGpx),
-                style: ElevatedButton.styleFrom(
-                  padding: const EdgeInsets.all(16),
-                ),
-              ),
-
-              const SizedBox(height: 16),
-            ],
-
-            // Clear trail button
-            if (mapProvider.currentTrail != null && mapProvider.currentTrail!.points.isNotEmpty)
-              ElevatedButton.icon(
-                onPressed: () {
-                  _showClearConfirmation(context, mapProvider, l10n);
-                },
-                icon: const Icon(Icons.delete_outline),
-                label: Text(l10n.clearTrail),
-                style: ElevatedButton.styleFrom(
-                  backgroundColor: Colors.red,
-                  foregroundColor: Colors.white,
-                  padding: const EdgeInsets.all(16),
-                ),
-              ),
-
-            // No trail message
-            if (mapProvider.currentTrail == null || mapProvider.currentTrail!.points.isEmpty)
-              Padding(
-                padding: const EdgeInsets.all(16),
-                child: Center(
-                  child: Column(
-                    children: [
-                      const Icon(Icons.timeline, size: 48, color: Colors.grey),
-                      const SizedBox(height: 8),
-                      Text(
-                        l10n.noTrailRecorded,
-                        style: const TextStyle(
-                          color: Colors.grey,
-                          fontSize: 16,
                         ),
+                        icon: const Icon(Icons.file_download_outlined),
+                        label: Text(l10n.exportToClipboard),
                       ),
-                      const SizedBox(height: 8),
+                  ],
-                      Text(
+                ),
-                        l10n.startTrackingToRecord,
+
-                        style: const TextStyle(
+                const SizedBox(height: 16),
-                          color: Colors.grey,
+
-                          fontSize: 12,
+                // Trail stats
-                        ),
+                if (mapProvider.currentTrail != null &&
-                        textAlign: TextAlign.center,
+                    mapProvider.currentTrail!.points.isNotEmpty)
+                  Container(
+                    padding: const EdgeInsets.all(12),
+                    decoration: BoxDecoration(
+                      color: Colors.blue.withValues(alpha: 0.1),
+                      borderRadius: BorderRadius.circular(8),
+                      border: Border.all(
+                        color: Colors.blue.withValues(alpha: 0.3),
                       ),
-                    ],
+                    ),
-                  ),
+                    child: Column(
-                ),
+                      crossAxisAlignment: CrossAxisAlignment.start,
-              ),
-
-            const SizedBox(height: 8),
-            const Divider(),
-            const SizedBox(height: 8),
-
-            // Contact Trails Section
-            Row(
-              children: [
-                const Icon(Icons.people, size: 20),
-                const SizedBox(width: 8),
-                Text(
-                  l10n.contactTrails,
-                  style: const TextStyle(
-                    fontSize: 18,
-                    fontWeight: FontWeight.bold,
-                  ),
-                ),
-              ],
-            ),
-            const SizedBox(height: 12),
-
-            // Show All Contact Trails toggle
-            SwitchListTile(
-              secondary: const Icon(Icons.route),
-              title: Text(l10n.showAllContactTrails),
-              subtitle: Text(contactsWithTrails.isEmpty
-                  ? l10n.noContactsWithLocationHistory
-                  : mapProvider.showAllContactTrails
-                      ? l10n.showingTrailsForContacts(contactsWithTrails.length)
-                      : l10n.individualContactTrails),
-              value: mapProvider.showAllContactTrails,
-              onChanged: contactsWithTrails.isNotEmpty
-                  ? (value) {
-                      mapProvider.toggleAllContactTrails();
-                      setModalState(() {}); // Update modal UI
-                    }
-                  : null, // Disable if no contacts with trails
-            ),
-
-            // Individual contact trails (when "show all" is OFF)
-            if (!mapProvider.showAllContactTrails && contactsWithTrails.isNotEmpty)
-              ExpansionTile(
-                title: Text(l10n.individualContactTrails),
-                initiallyExpanded: false,
-                children: contactsWithTrails.map((contact) {
-                  final trailColor = TrailColorService.getTrailColor(contact);
-                  final isVisible = mapProvider.isContactPathVisible(contact.publicKeyHex);
-
-                  return SwitchListTile(
-                    // Color indicator with emoji
-                    secondary: Row(
-                      mainAxisSize: MainAxisSize.min,
                       children: [
-                        if (contact.roleEmoji != null)
+                        _buildStatRow(
-                          Text(contact.roleEmoji!, style: const TextStyle(fontSize: 18)),
+                          icon: Icons.straighten,
-                        const SizedBox(width: 4),
+                          label: l10n.distance,
-                        Container(
+                          value: _formatDistance(
-                          width: 16,
+                            mapProvider.totalTrailDistance,
-                          height: 16,
-                          decoration: BoxDecoration(
-                            color: trailColor,
-                            border: Border.all(color: Colors.white, width: 2),
-                            borderRadius: BorderRadius.circular(3),
                           ),
                         ),
+                        const SizedBox(height: 8),
+                        _buildStatRow(
+                          icon: Icons.access_time,
+                          label: l10n.duration,
+                          value: _formatDuration(mapProvider.trailDuration),
+                        ),
+                        const SizedBox(height: 8),
+                        _buildStatRow(
+                          icon: Icons.place,
+                          label: l10n.points,
+                          value: '${mapProvider.currentTrail!.points.length}',
+                        ),
                       ],
                     ),
-                    title: Text(contact.displayName),
+                  ),
-                    subtitle: Text('${contact.advertHistory.length} points'),
+
-                    value: isVisible,
+                // Clear trail button
-                    onChanged: (value) {
+                if (mapProvider.currentTrail != null &&
-                      mapProvider.toggleContactPath(contact.publicKeyHex);
+                    mapProvider.currentTrail!.points.isNotEmpty)
-                      setModalState(() {}); // Update modal UI
+                  ElevatedButton.icon(
+                    onPressed: () {
+                      _showClearConfirmation(context, mapProvider, l10n);
                     },
-                  );
+                    icon: const Icon(Icons.delete_outline),
-                }).toList(),
+                    label: Text(l10n.clearTrail),
-              ),
+                    style: ElevatedButton.styleFrom(
+                      backgroundColor: Colors.red,
+                      foregroundColor: Colors.white,
+                      padding: const EdgeInsets.all(16),
+                    ),
+                  ),
 
-            const SizedBox(height: 8),
+                // No trail message
+                if (mapProvider.currentTrail == null ||
+                    mapProvider.currentTrail!.points.isEmpty)
+                  Padding(
+                    padding: const EdgeInsets.all(16),
+                    child: Center(
+                      child: Column(
+                        children: [
+                          const Icon(
+                            Icons.timeline,
+                            size: 48,
+                            color: Colors.grey,
+                          ),
+                          const SizedBox(height: 8),
+                          Text(
+                            l10n.noTrailRecorded,
+                            style: const TextStyle(
+                              color: Colors.grey,
+                              fontSize: 16,
+                            ),
+                          ),
+                          const SizedBox(height: 8),
+                          Text(
+                            l10n.startTrackingToRecord,
+                            style: const TextStyle(
+                              color: Colors.grey,
+                              fontSize: 12,
+                            ),
+                            textAlign: TextAlign.center,
+                          ),
+                        ],
+                      ),
+                    ),
+                  ),
 
-            // Close button
+                const SizedBox(height: 8),
-              TextButton(
+                const Divider(),
-                onPressed: () => Navigator.pop(context),
+                const SizedBox(height: 8),
-                child: Text(l10n.close),
+
-              ),
+                // Contact Trails Section
-            ],
+                Row(
+                  children: [
+                    const Icon(Icons.people, size: 20),
+                    const SizedBox(width: 8),
+                    Text(
+                      l10n.contactTrails,
+                      style: const TextStyle(
+                        fontSize: 18,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                  ],
+                ),
+                const SizedBox(height: 12),
+
+                // Show All Contact Trails toggle
+                SwitchListTile(
+                  secondary: const Icon(Icons.route),
+                  title: Text(l10n.showAllContactTrails),
+                  subtitle: Text(
+                    contactsWithTrails.isEmpty
+                        ? l10n.noContactsWithLocationHistory
+                        : mapProvider.showAllContactTrails
+                        ? l10n.showingTrailsForContacts(
+                            contactsWithTrails.length,
+                          )
+                        : l10n.individualContactTrails,
+                  ),
+                  value: mapProvider.showAllContactTrails,
+                  onChanged: contactsWithTrails.isNotEmpty
+                      ? (value) {
+                          mapProvider.toggleAllContactTrails();
+                          setModalState(() {}); // Update modal UI
+                        }
+                      : null, // Disable if no contacts with trails
+                ),
+
+                // Individual contact trails (when "show all" is OFF)
+                if (!mapProvider.showAllContactTrails &&
+                    contactsWithTrails.isNotEmpty)
+                  ExpansionTile(
+                    title: Text(l10n.individualContactTrails),
+                    initiallyExpanded: false,
+                    children: contactsWithTrails.map((contact) {
+                      final trailColor = TrailColorService.getTrailColor(
+                        contact,
+                      );
+                      final isVisible = mapProvider.isContactPathVisible(
+                        contact.publicKeyHex,
+                      );
+
+                      return SwitchListTile(
+                        // Color indicator with emoji
+                        secondary: Row(
+                          mainAxisSize: MainAxisSize.min,
+                          children: [
+                            if (contact.roleEmoji != null)
+                              Text(
+                                contact.roleEmoji!,
+                                style: const TextStyle(fontSize: 18),
+                              ),
+                            const SizedBox(width: 4),
+                            Container(
+                              width: 16,
+                              height: 16,
+                              decoration: BoxDecoration(
+                                color: trailColor,
+                                border: Border.all(
+                                  color: Colors.white,
+                                  width: 2,
+                                ),
+                                borderRadius: BorderRadius.circular(3),
+                              ),
+                            ),
+                          ],
+                        ),
+                        title: Row(
+                          children: [
+                            Expanded(child: Text(contact.displayName)),
+                            IconButton(
+                              tooltip: l10n.exportToClipboard,
+                              icon: const Icon(Icons.file_download_outlined),
+                              onPressed: () =>
+                                  _exportContactTrail(context, contact),
+                            ),
+                          ],
+                        ),
+                        subtitle: Text(
+                          '${contact.advertHistory.length} points',
+                        ),
+                        value: isVisible,
+                        onChanged: (value) {
+                          mapProvider.toggleContactPath(contact.publicKeyHex);
+                          setModalState(() {}); // Update modal UI
+                        },
+                      );
+                    }).toList(),
+                  ),
+
+                const SizedBox(height: 8),
+
+                // Close button
+                TextButton(
+                  onPressed: () => Navigator.pop(context),
+                  child: Text(l10n.close),
+                ),
+              ],
             ),
           ),
         ),
@@ -293,7 +302,97 @@ class TrailControls extends StatelessWidget {
     );
   }
 
-  void _showClearConfirmation(BuildContext context, MapProvider mapProvider, AppLocalizations l10n) {
+  Future<void> _importTrail(
+    BuildContext context,
+    MapProvider mapProvider,
+  ) async {
+    final l10n = AppLocalizations.of(context)!;
+
+    try {
+      final importedTrail = await GpxService.importTrailFromFile();
+      if (importedTrail == null || !context.mounted) {
+        return;
+      }
+
+      mapProvider.replaceCurrentTrailWithImport(importedTrail);
+      mapProvider.clearImportedTrail();
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(
+            '${l10n.locationTrail}: ${importedTrail.points.length} ${l10n.points.toLowerCase()}',
+          ),
+        ),
+      );
+    } catch (error) {
+      if (!context.mounted) {
+        return;
+      }
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text(l10n.importFailed(error.toString()))),
+      );
+    }
+  }
+
+  Future<void> _exportTrail(
+    BuildContext context,
+    LocationTrail trail, {
+    String? customName,
+  }) async {
+    final l10n = AppLocalizations.of(context)!;
+
+    try {
+      final success = await GpxService.exportTrailToFile(
+        trail,
+        customName: customName,
+      );
+      if (!success && context.mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text(l10n.exportFailed('unable to share GPX'))),
+        );
+      }
+    } catch (error) {
+      if (!context.mounted) {
+        return;
+      }
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text(l10n.exportFailed(error.toString()))),
+      );
+    }
+  }
+
+  Future<void> _exportContactTrail(BuildContext context, Contact contact) async {
+    await _exportTrail(
+      context,
+      _buildContactTrail(contact),
+      customName: '${contact.displayName} Trail',
+    );
+  }
+
+  LocationTrail _buildContactTrail(Contact contact) {
+    final sortedHistory = [...contact.advertHistory]
+      ..sort((a, b) => a.timestamp.compareTo(b.timestamp));
+
+    return LocationTrail(
+      id: 'contact_${contact.publicKeyHex}',
+      isActive: false,
+      startTime: sortedHistory.first.timestamp,
+      endTime: sortedHistory.last.timestamp,
+      points: sortedHistory
+          .map(
+            (advert) => TrailPoint(
+              position: advert.location,
+              timestamp: advert.timestamp,
+            ),
+          )
+          .toList(),
+    );
+  }
+
+  void _showClearConfirmation(
+    BuildContext context,
+    MapProvider mapProvider,
+    AppLocalizations l10n,
+  ) {
     showDialog(
       context: context,
       builder: (context) => AlertDialog(
@@ -318,50 +417,6 @@ class TrailControls extends StatelessWidget {
     );
   }
 
-  void _showImportDialog(BuildContext context, MapProvider mapProvider, trail, AppLocalizations l10n) {
-    showDialog(
-      context: context,
-      builder: (context) => AlertDialog(
-        title: Text(l10n.importTrail),
-        content: Text(l10n.importTrailQuestion(trail.points.length)),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(context),
-            child: Text(l10n.cancel),
-          ),
-          TextButton(
-            onPressed: () {
-              mapProvider.setImportedTrail(trail);
-              Navigator.pop(context); // Close dialog
-              ScaffoldMessenger.of(context).showSnackBar(
-                SnackBar(
-                  content: Text(l10n.trailImported(trail.points.length)),
-                  backgroundColor: Colors.green,
-                ),
-              );
-            },
-            child: Text(l10n.viewAlongside),
-          ),
-          TextButton(
-            onPressed: () {
-              mapProvider.replaceCurrentTrailWithImport(trail);
-              Navigator.pop(context); // Close dialog
-              Navigator.pop(context); // Close bottom sheet
-              ScaffoldMessenger.of(context).showSnackBar(
-                SnackBar(
-                  content: Text(l10n.trailReplaced(trail.points.length)),
-                  backgroundColor: Colors.green,
-                ),
-              );
-            },
-            style: TextButton.styleFrom(foregroundColor: Colors.blue),
-            child: Text(l10n.replaceCurrent),
-          ),
-        ],
-      ),
-    );
-  }
-
   Widget _buildStatRow({
     required IconData icon,
     required String label,
@@ -373,18 +428,12 @@ class TrailControls extends StatelessWidget {
         const SizedBox(width: 8),
         Text(
           label,
-          style: const TextStyle(
+          style: const TextStyle(fontWeight: FontWeight.w500, fontSize: 14),
-            fontWeight: FontWeight.w500,
-            fontSize: 14,
-          ),
         ),
         const Spacer(),
         Text(
           value,
-          style: const TextStyle(
+          style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 14),
-            fontWeight: FontWeight.bold,
-            fontSize: 14,
-          ),
         ),
       ],
     );

lib/widgets/messages/image_message_bubble.dart

@@ -403,15 +403,6 @@ class _ImageMessageBubbleState extends State<ImageMessageBubble> {
       }
     }
 
-    if (!sender.routeSupportsLegacyRawTransport) {
-      _clearRequestState();
-      await _showBlockingAlert(
-        'Cannot fetch image',
-        'Sender route uses 3-byte hashes. Raw media fetch is not supported in this client yet.',
-      );
-      return;
-    }
-
     if (sender.routeHopCount >= 2) {
       _showToast(
         'Image fetch over ${sender.routeHopCount} hops may take a while.',
@@ -462,7 +453,7 @@ class _ImageMessageBubbleState extends State<ImageMessageBubble> {
       );
       await conn.sendRawVoicePacket(
         contactPath: sender.outPath,
-        contactPathLen: sender.routeSignedPathLen,
+        contactPathLen: sender.routeEncodedPathLen,
         payload: payload,
       );
     } catch (_) {

lib/widgets/messages/message_bubble.dart

@@ -13,6 +13,7 @@ import '../../providers/connection_provider.dart';
 import '../../providers/drawing_provider.dart';
 import '../../providers/voice_provider.dart';
 import '../../providers/image_provider.dart' as ip;
+import '../../providers/app_provider.dart';
 import '../drawing_minimap_preview.dart';
 import '../../models/ble_packet_log.dart';
 import '../../services/sar_template_service.dart';
@@ -26,6 +27,7 @@ import '../../utils/tictactoe_message_parser.dart';
 import '../../utils/location_formats.dart';
 import '../../l10n/app_localizations.dart';
 import '../../utils/message_extensions.dart';
+import '../../utils/log_rx_route_decoder.dart';
 import '../../models/message_transfer_details.dart';
 import 'voice_message_bubble.dart';
 import 'image_message_bubble.dart';
@@ -44,6 +46,7 @@ import 'system_message_bubble.dart';
 class MessageBubble extends StatefulWidget {
   final Message message;
   final VoidCallback? onTap;
+  final VoidCallback? onReply;
   final bool isHighlighted;
   final VoidCallback? onNavigateToMap;
 
@@ -54,6 +57,7 @@ class MessageBubble extends StatefulWidget {
     super.key,
     required this.message,
     this.onTap,
+    this.onReply,
     this.isHighlighted = false,
     this.onNavigateToMap,
     this.isCompact = false,
@@ -64,6 +68,7 @@ class MessageBubble extends StatefulWidget {
 }
 
 class _MessageBubbleState extends State<MessageBubble> {
+  static final RegExp _mentionPattern = RegExp(r'@\[(.+?)\]');
   bool _isExpanded = false;
   bool _showReceivedStats = false;
 
@@ -91,6 +96,72 @@ class _MessageBubbleState extends State<MessageBubble> {
     });
   }
 
+  Widget _buildMessageTextContent(String text, TextStyle? baseBodyStyle) {
+    final matches = _mentionPattern.allMatches(text).toList();
+    if (matches.isEmpty) {
+      return Text(text, style: baseBodyStyle);
+    }
+
+    final textColor =
+        baseBodyStyle?.color ?? Theme.of(context).colorScheme.onSurface;
+    final backgroundColor = Theme.of(
+      context,
+    ).colorScheme.primary.withValues(alpha: 0.12);
+    final borderColor = Theme.of(
+      context,
+    ).colorScheme.primary.withValues(alpha: 0.25);
+
+    final spans = <InlineSpan>[];
+    var cursor = 0;
+
+    for (final match in matches) {
+      if (match.start > cursor) {
+        spans.add(
+          TextSpan(
+            text: text.substring(cursor, match.start),
+            style: baseBodyStyle,
+          ),
+        );
+      }
+
+      final mentionName = match.group(1)?.trim() ?? '';
+      if (mentionName.isNotEmpty) {
+        spans.add(
+          WidgetSpan(
+            alignment: PlaceholderAlignment.middle,
+            child: Container(
+              margin: const EdgeInsets.symmetric(horizontal: 1, vertical: 1),
+              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
+              decoration: BoxDecoration(
+                color: backgroundColor,
+                borderRadius: BorderRadius.circular(999),
+                border: Border.all(color: borderColor),
+              ),
+              child: Text(
+                '@$mentionName',
+                style: baseBodyStyle?.copyWith(
+                  color: textColor,
+                  fontWeight: FontWeight.w700,
+                  height: 1.1,
+                ),
+              ),
+            ),
+          ),
+        );
+      } else {
+        spans.add(TextSpan(text: match.group(0), style: baseBodyStyle));
+      }
+
+      cursor = match.end;
+    }
+
+    if (cursor < text.length) {
+      spans.add(TextSpan(text: text.substring(cursor), style: baseBodyStyle));
+    }
+
+    return Text.rich(TextSpan(children: spans, style: baseBodyStyle));
+  }
+
   void _handleBubbleTap({required bool isSarMarker, required bool isDrawing}) {
     if (!widget.message.isRead &&
         !widget.message.isSentMessage &&
@@ -209,6 +280,15 @@ class _MessageBubbleState extends State<MessageBubble> {
         child: Column(
           mainAxisSize: MainAxisSize.min,
           children: [
+            if (!isOwnMessage && widget.onReply != null)
+              ListTile(
+                leading: const Icon(Icons.reply),
+                title: Text(AppLocalizations.of(context)!.reply),
+                onTap: () {
+                  Navigator.pop(context);
+                  widget.onReply?.call();
+                },
+              ),
             // Copy text option
             ListTile(
               leading: const Icon(Icons.copy),
@@ -469,6 +549,9 @@ class _MessageBubbleState extends State<MessageBubble> {
     final retryCause = _retryCauseLabel(widget.message);
     final retryResult = _retryResultLabel(widget.message);
     final retryMode = _retryModeLabel(widget.message);
+    final routeMetadata = context
+        .read<MessagesProvider>()
+        .getMessageRouteMetadata(widget.message.id);
 
     final rawLines = <String>[
       'Message ID: ${widget.message.id}',
@@ -790,7 +873,7 @@ class _MessageBubbleState extends State<MessageBubble> {
                               _detailRow(
                                 context,
                                 label: l10n.retryAttempt,
-                                value: '${widget.message.retryAttempt}/3',
+                                value: '${widget.message.retryAttempt}/4',
                               ),
                             if (widget.message.lastRetryAt != null)
                               _detailRow(
@@ -809,6 +892,20 @@ class _MessageBubbleState extends State<MessageBubble> {
                                 label: l10n.floodFallback,
                                 value: l10n.yes,
                               ),
+                            if (routeMetadata?.relayName case final relayName?)
+                              _detailRow(
+                                context,
+                                label: 'Relay',
+                                value: relayName,
+                              ),
+                            if (routeMetadata?.canonicalPath
+                                case final routePath?)
+                              _detailRow(
+                                context,
+                                label: 'Selected path',
+                                value: routePath,
+                                onCopy: () => copyField(routePath),
+                              ),
                             if (retryResult != null)
                               _detailRow(
                                 context,
@@ -885,7 +982,9 @@ class _MessageBubbleState extends State<MessageBubble> {
                               _detailRow(
                                 context,
                                 label: l10n.envelope,
-                                value: envelope != null ? 'VE3 compact' : l10n.unknown,
+                                value: envelope != null
+                                    ? 'VE3 compact'
+                                    : l10n.unknown,
                               ),
                               if (voiceSession != null)
                                 _detailRow(
@@ -1238,12 +1337,10 @@ class _MessageBubbleState extends State<MessageBubble> {
 
       // Logged frame format:
       // [0]=response code 0x88, [1]=snrRaw, [2]=rssi, [3]=packet header, [4]=pathLen
-      final raw = log.rawData;
+      final decoded = LogRxRouteDecoder.decode(log.rawData);
-      final payloadType = (raw[3] >> 2) & 0x0F;
+      if (decoded == null) continue;
-      final pathLen = raw[4];
+      if (decoded.payloadType != expectedPayloadType) continue;
-      if (payloadType != expectedPayloadType) continue;
+      if (decoded.hopCount != message.pathLen) continue;
-      if (pathLen != message.pathLen) continue;
-      if (raw.length < 5 + pathLen) continue;
 
       final deltaMs =
           (log.timestamp.difference(message.receivedAt).inMilliseconds).abs();
@@ -1259,11 +1356,9 @@ class _MessageBubbleState extends State<MessageBubble> {
 
   List<int>? _extractPathBytesFromLog(BlePacketLog? log) {
     if (log == null) return null;
-    final raw = log.rawData;
+    final decoded = LogRxRouteDecoder.decode(log.rawData);
-    if (raw.length < 6) return null;
+    if (decoded == null || decoded.pathBytes.isEmpty) return null;
-    final pathLen = raw[4];
+    return decoded.pathBytes;
-    if (pathLen <= 0 || raw.length < 5 + pathLen) return null;
-    return raw.sublist(5, 5 + pathLen);
   }
 
   void _showDeleteConfirmation(BuildContext context) {
@@ -1545,8 +1640,15 @@ class _MessageBubbleState extends State<MessageBubble> {
       return null;
     }
 
+    final routeMetadata = context
+        .read<MessagesProvider>()
+        .getMessageRouteMetadata(message.id);
+    if (routeMetadata != null) {
+      return routeMetadata.modeLabel;
+    }
+
     if (message.usedFloodFallback) {
-      return 'Flood fallback';
+      return 'Flood route';
     }
 
     if (message.retryAttempt > 0 || message.expectedAckTag != null) {
@@ -1561,9 +1663,17 @@ class _MessageBubbleState extends State<MessageBubble> {
       return null;
     }
 
+    final routeMetadata = context
+        .read<MessagesProvider>()
+        .getMessageRouteMetadata(message.id);
+    final routeLabel = routeMetadata?.modeLabel.toLowerCase();
+
     if (message.deliveryStatus == MessageDeliveryStatus.delivered) {
+      if (routeLabel != null) {
+        return 'Delivered via $routeLabel';
+      }
       if (message.usedFloodFallback) {
-        return 'Delivered after flood fallback';
+        return 'Delivered after flood route';
       }
       if (message.retryAttempt > 0) {
         return 'Delivered after retry';
@@ -1574,8 +1684,11 @@ class _MessageBubbleState extends State<MessageBubble> {
     }
 
     if (message.deliveryStatus == MessageDeliveryStatus.sending) {
+      if (routeLabel != null) {
+        return '$routeLabel in progress';
+      }
       if (message.usedFloodFallback) {
-        return 'Flood fallback in progress';
+        return 'Flood route in progress';
       }
       if (message.retryAttempt > 0) {
         return 'Retry in progress';
@@ -1586,8 +1699,11 @@ class _MessageBubbleState extends State<MessageBubble> {
     }
 
     if (message.deliveryStatus == MessageDeliveryStatus.failed) {
+      if (routeLabel != null) {
+        return 'Failed via $routeLabel';
+      }
       if (message.usedFloodFallback) {
-        return 'Failed after flood fallback';
+        return 'Failed after flood route';
       }
       if (message.retryAttempt > 0) {
         return 'Failed after retry attempts';
@@ -1598,6 +1714,36 @@ class _MessageBubbleState extends State<MessageBubble> {
     return null;
   }
 
+  Widget _buildDirectMessageStatusIndicator(
+    BuildContext context,
+    Message message,
+  ) {
+    switch (message.deliveryStatus) {
+      case MessageDeliveryStatus.delivered:
+        return Icon(
+          Icons.done_all,
+          size: 16,
+          color: Theme.of(context).colorScheme.primary,
+        );
+      case MessageDeliveryStatus.sent:
+        return Icon(
+          Icons.done,
+          size: 16,
+          color: Theme.of(context).colorScheme.onSurfaceVariant,
+        );
+      case MessageDeliveryStatus.sending:
+        return Icon(Icons.schedule, size: 15, color: Colors.orange);
+      case MessageDeliveryStatus.failed:
+        return const Icon(Icons.error_outline, size: 15, color: Colors.red);
+      case MessageDeliveryStatus.received:
+        return Icon(
+          Icons.done_all,
+          size: 16,
+          color: Theme.of(context).colorScheme.onSurfaceVariant,
+        );
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     // Display system messages with minimal styling
@@ -1615,6 +1761,7 @@ class _MessageBubbleState extends State<MessageBubble> {
     }
     final isSarMarker = message.isSarMarker;
     final isDarkMode = Theme.of(context).brightness == Brightness.dark;
+    final messageFontScale = context.watch<AppProvider>().messageFontScale;
 
     // Determine if this is own message
     final connectionProvider = context.read<ConnectionProvider>();
@@ -1728,6 +1875,9 @@ class _MessageBubbleState extends State<MessageBubble> {
         : null;
 
     final shouldFloatBubble = widget.isCompact;
+    final baseBodyStyle = Theme.of(
+      context,
+    ).textTheme.bodyMedium?.copyWith(fontSize: 14 * messageFontScale);
     final bubble = ConstrainedBox(
       constraints: BoxConstraints(
         maxWidth: shouldFloatBubble
@@ -2146,9 +2296,9 @@ class _MessageBubbleState extends State<MessageBubble> {
                     );
 
                     if (drawing == null) {
-                      return Text(
+                      return _buildMessageTextContent(
                         message.text,
-                        style: Theme.of(context).textTheme.bodyMedium,
+                        baseBodyStyle,
                       );
                     }
 
@@ -2235,10 +2385,7 @@ class _MessageBubbleState extends State<MessageBubble> {
                 )
               // Regular message content
               else if (!message.isDrawing || widget.isCompact)
-                Text(
+                _buildMessageTextContent(message.text, baseBodyStyle),
-                  message.text,
-                  style: Theme.of(context).textTheme.bodyMedium,
-                ),
 
               if (!widget.isCompact &&
                   !isSarMarker &&
@@ -2458,33 +2605,42 @@ class _MessageBubbleState extends State<MessageBubble> {
                           Row(
                             mainAxisSize: MainAxisSize.max,
                             children: [
-                              Icon(
+                              if (message.isContactMessage)
-                                getDeliveryStatusIcon(message.deliveryStatus),
+                                _buildDirectMessageStatusIndicator(
-                                size: 12,
+                                  context,
-                                color: getDeliveryStatusColor(
+                                  message,
-                                  message.deliveryStatus,
+                                )
-                                ),
+                              else ...[
-                              ),
+                                Icon(
-                              const SizedBox(width: 3),
+                                  getDeliveryStatusIcon(message.deliveryStatus),
-                              Expanded(
+                                  size: 12,
-                                child: Align(
+                                  color: getDeliveryStatusColor(
-                                  alignment: Alignment.centerLeft,
+                                    message.deliveryStatus,
-                                  child: Text(
-                                    message.getLocalizedDeliveryStatus(context),
-                                    maxLines: 1,
-                                    overflow: TextOverflow.ellipsis,
-                                    style: Theme.of(context)
-                                        .textTheme
-                                        .labelSmall
-                                        ?.copyWith(
-                                          color: getDeliveryStatusColor(
-                                            message.deliveryStatus,
-                                          ),
-                                          fontStyle: FontStyle.italic,
-                                        ),
                                   ),
                                 ),
-                              ),
+                                const SizedBox(width: 3),
+                                Expanded(
+                                  child: Align(
+                                    alignment: Alignment.centerLeft,
+                                    child: Text(
+                                      message.getLocalizedDeliveryStatus(
+                                        context,
+                                      ),
+                                      maxLines: 1,
+                                      overflow: TextOverflow.ellipsis,
+                                      style: Theme.of(context)
+                                          .textTheme
+                                          .labelSmall
+                                          ?.copyWith(
+                                            color: getDeliveryStatusColor(
+                                              message.deliveryStatus,
+                                            ),
+                                            fontStyle: FontStyle.italic,
+                                          ),
+                                    ),
+                                  ),
+                                ),
+                              ],
                               // Show retry button for failed messages
                               if (message.deliveryStatus ==
                                   MessageDeliveryStatus.failed) ...[

lib/widgets/messages/message_bubble_signal.dart

@@ -1,7 +1,10 @@
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 
 import '../../models/message.dart';
+import '../../models/path_selection.dart';
 import '../../models/message_reception_details.dart';
+import '../../providers/messages_provider.dart';
 
 IconData getDeliveryStatusIcon(MessageDeliveryStatus status) {
   switch (status) {
@@ -185,6 +188,9 @@ Widget buildSentDirectSignalStatus(
   required int roundTripTimeMs,
   required Duration txEstimate,
 }) {
+  final routeMetadata = context
+      .read<MessagesProvider>()
+      .getMessageRouteMetadata(message.id);
   final estimatedTransmitMs = sanitizeEstimatedTransmitMs(
     estimatedTransmitMs: txEstimate > Duration.zero
         ? txEstimate.inMilliseconds
@@ -230,7 +236,7 @@ Widget buildSentDirectSignalStatus(
         _techChip(
           context,
           icon: Icons.refresh,
-          label: 'retry ${message.retryAttempt}/3',
+          label: 'retry ${message.retryAttempt}/4',
           color: Colors.redAccent,
         ),
       if (message.suggestedTimeoutMs != null)
@@ -244,7 +250,7 @@ Widget buildSentDirectSignalStatus(
         _techChip(
           context,
           icon: Icons.waves,
-          label: 'flood fallback',
+          label: 'flood route',
           color: Colors.teal,
         )
       else if (message.expectedAckTag != null)
@@ -254,6 +260,17 @@ Widget buildSentDirectSignalStatus(
           label: 'direct ACK',
           color: Colors.indigo,
         ),
+      if (routeMetadata != null)
+        _techChip(
+          context,
+          icon: routeMetadata.mode == PathSelectionMode.nearestRouter
+              ? Icons.router
+              : Icons.alt_route,
+          label: routeMetadata.modeLabel,
+          color: routeMetadata.mode == PathSelectionMode.nearestRouter
+              ? Colors.deepPurple
+              : Colors.indigo,
+        ),
     ],
   );
 }

lib/widgets/messages/message_trace_sheet.dart

@@ -1,6 +1,7 @@
 // ignore_for_file: use_null_aware_elements
 
 import 'dart:math' as math;
+import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart' as flutter_map;
 import 'package:latlong2/latlong.dart';
@@ -10,6 +11,8 @@ import '../../models/message.dart';
 import '../../providers/connection_provider.dart';
 import '../../providers/contacts_provider.dart';
 import '../../services/mesh_map_nodes_service.dart';
+import '../../services/route_hash_preferences.dart';
+import '../../utils/log_rx_route_decoder.dart';
 
 class MessageTraceSheet extends StatefulWidget {
   final Message message;
@@ -32,6 +35,7 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
   Future<_TraceResult> _loadTrace() async {
     final connectionProvider = context.read<ConnectionProvider>();
     final contactsProvider = context.read<ContactsProvider>();
+    final preferredHashSize = await RouteHashPreferences.getHashSize();
     final packetPath = _extractPathFromPacketLogs(
       logs: connectionProvider.bleService.packetLogs,
       message: widget.message,
@@ -46,19 +50,30 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
     var trace = _buildTraceResult(
       nodes: localNodes,
       packetPath: packetPath,
+      preferredHashSize: preferredHashSize,
       senderPrefix: senderPrefix,
       recipientPrefix: recipientPrefix,
     );
-    if (_isCompleteTrace(trace, expectedRelayCount: math.max(0, widget.message.pathLen))) {
+    if (_isCompleteTrace(
+      trace,
+      expectedRelayCount: math.max(0, widget.message.pathLen),
+    )) {
       return trace;
     }
 
-    final remoteNodes = await MeshMapNodesService.fetchNodes(
+    unawaited(
+      MeshMapNodesService.syncInBackgroundIfStale(
+        cacheTtl: MeshMapNodesService.traceCacheTtl,
+      ),
+    );
+
+    final remoteNodes = await MeshMapNodesService.loadCachedNodes(
       cacheTtl: MeshMapNodesService.traceCacheTtl,
     );
     trace = _buildTraceResult(
       nodes: _mergeNodes(localNodes, remoteNodes),
       packetPath: packetPath,
+      preferredHashSize: preferredHashSize,
       senderPrefix: senderPrefix,
       recipientPrefix: recipientPrefix,
     );
@@ -336,9 +351,7 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
 
     if (trace.mode == TraceMode.packetPath) {
       final entries = trace.matchedPathNodes.asMap().entries.map((entry) {
-        final hashHex = trace.pathHashes[entry.key]
+        final hashHex = trace.pathHashes[entry.key].toUpperCase();
-            .toRadixString(16)
-            .padLeft(2, '0');
         return _RouteDisplayEntry(
           node: entry.value,
           label: entry.value?.name ?? 'Unknown',
@@ -428,6 +441,7 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
   _TraceResult _buildTraceResult({
     required List<MeshMapNode> nodes,
     required List<int>? packetPath,
+    required int preferredHashSize,
     required String? senderPrefix,
     required String? recipientPrefix,
   }) {
@@ -435,9 +449,17 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
     final recipientNode = _bestNodeForPrefix(nodes, recipientPrefix);
 
     if (packetPath != null && packetPath.isNotEmpty) {
+      final hashSize = LogRxRouteDecoder.inferHashSize(
+        packetPath,
+        preferredHashSize: preferredHashSize,
+      );
+      final hopHashes = LogRxRouteDecoder.splitHopHashes(
+        packetPath,
+        hashSize: hashSize,
+      );
       final matched = _matchNodesFromPathHashes(
         nodes: nodes,
-        pathHashes: packetPath,
+        pathHashes: hopHashes,
         senderPrefix: senderPrefix,
         recipientPrefix: recipientPrefix,
       );
@@ -445,7 +467,7 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
         mode: TraceMode.packetPath,
         sender: senderNode,
         recipient: recipientNode,
-        pathHashes: packetPath,
+        pathHashes: hopHashes,
         matchedPathNodes: matched,
       );
     }
@@ -481,7 +503,9 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
           trace.matchedPathNodes.every((node) => node != null);
     }
 
-    final concreteCount = trace.matchedPathNodes.whereType<MeshMapNode>().length;
+    final concreteCount = trace.matchedPathNodes
+        .whereType<MeshMapNode>()
+        .length;
     return concreteCount >= expectedRelayCount + 2;
   }
 
@@ -499,13 +523,10 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
     for (final log in logs) {
       if (log.responseCode != 0x88) continue; // pushLogRxData
       if (log.rawData.length < 6) continue;
-      final raw = log.rawData;
+      final decoded = LogRxRouteDecoder.decode(log.rawData);
-      final header = raw[3];
+      if (decoded == null) continue;
-      final payloadType = (header >> 2) & 0x0F;
+      if (decoded.payloadType != expectedPayloadType) continue;
-      final pathLen = raw[4];
+      if (decoded.hopCount != message.pathLen) continue;
-      if (payloadType != expectedPayloadType) continue;
-      if (pathLen != message.pathLen) continue;
-      if (raw.length < 5 + pathLen) continue;
 
       final deltaMs =
           (log.timestamp.difference(message.receivedAt).inMilliseconds).abs();
@@ -516,20 +537,22 @@ class _MessageTraceSheetState extends State<MessageTraceSheet> {
     }
 
     if (bestLog == null || bestDeltaMs > 30000) return null;
-    final raw = bestLog.rawData;
+    final decoded = LogRxRouteDecoder.decode(bestLog.rawData);
-    final pathLen = raw[4];
+    if (decoded == null || decoded.pathBytes.isEmpty) {
-    return raw.sublist(5, 5 + pathLen);
+      return null;
+    }
+    return decoded.pathBytes;
   }
 
   List<MeshMapNode?> _matchNodesFromPathHashes({
     required List<MeshMapNode> nodes,
-    required List<int> pathHashes,
+    required List<String> pathHashes,
     required String? senderPrefix,
     required String? recipientPrefix,
   }) {
     final result = <MeshMapNode?>[];
     for (var i = 0; i < pathHashes.length; i++) {
-      final hashHex = pathHashes[i].toRadixString(16).padLeft(2, '0');
+      final hashHex = pathHashes[i].toLowerCase();
       final candidates = nodes
           .where((n) => n.publicKey.startsWith(hashHex))
           .toList();
@@ -618,7 +641,7 @@ class _TraceResult {
   final TraceMode mode;
   final MeshMapNode? sender;
   final MeshMapNode? recipient;
-  final List<int> pathHashes;
+  final List<String> pathHashes;
   final List<MeshMapNode?> matchedPathNodes;
 
   const _TraceResult({
@@ -645,7 +668,10 @@ class _RouteDisplayEntry {
     return _RouteDisplayEntry(
       node: node,
       label: node.name,
-      keyLabel: node.publicKey.substring(0, math.min(12, node.publicKey.length)),
+      keyLabel: node.publicKey.substring(
+        0,
+        math.min(12, node.publicKey.length),
+      ),
     );
   }
 }

lib/widgets/messages/messages_composer.dart

@@ -1,7 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:provider/provider.dart';
 
 import '../../l10n/app_localizations.dart';
+import '../../providers/app_provider.dart';
 
 class MessagesComposer extends StatelessWidget {
   final TextEditingController textController;
@@ -253,6 +255,10 @@ class _MessageInput extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final messageFontScale = context.watch<AppProvider>().messageFontScale;
+    const baseFontSize = 15.0;
+    final resolvedFontSize = baseFontSize * messageFontScale;
+
     return AnimatedContainer(
       duration: const Duration(milliseconds: 180),
       constraints: const BoxConstraints(minHeight: 46, maxHeight: 132),
@@ -286,12 +292,12 @@ class _MessageInput extends StatelessWidget {
           maxLines: 4,
           keyboardType: TextInputType.multiline,
           inputFormatters: [messageByteLimiter],
-          style: const TextStyle(fontSize: 15),
+          style: TextStyle(fontSize: resolvedFontSize),
           textAlignVertical: TextAlignVertical.center,
           decoration: InputDecoration(
             hintText: AppLocalizations.of(context)!.typeYourMessage,
             hintStyle: TextStyle(
-              fontSize: 15,
+              fontSize: resolvedFontSize,
               color: Theme.of(
                 context,
               ).colorScheme.onSurfaceVariant.withValues(alpha: 0.9),

lib/widgets/messages/messages_content.dart

@@ -14,6 +14,7 @@ class MessagesContent extends StatelessWidget {
   final Future<void> Function() onRefresh;
   final VoidCallback? onNavigateToMap;
   final ValueChanged<Message>? onMessageTap;
+  final ValueChanged<Message>? onReplyToMessage;
 
   const MessagesContent({
     super.key,
@@ -24,6 +25,7 @@ class MessagesContent extends StatelessWidget {
     required this.onRefresh,
     this.onNavigateToMap,
     this.onMessageTap,
+    this.onReplyToMessage,
   });
 
   @override
@@ -86,6 +88,9 @@ class MessagesContent extends StatelessWidget {
                   onTap: onMessageTap == null
                       ? null
                       : () => onMessageTap!(message),
+                  onReply: onReplyToMessage == null
+                      ? null
+                      : () => onReplyToMessage!(message),
                 );
               },
             ),

lib/widgets/messages/recipient_selector_sheet.dart

@@ -8,6 +8,8 @@ class RecipientSelectorSheet extends StatefulWidget {
   final List<Contact> contacts;
   final List<Contact> rooms;
   final List<Contact> channels;
+  final int unreadCount;
+  final Map<String, int> unreadCountsByPublicKey;
   final String? currentDestinationType;
   final String? currentRecipientPublicKey;
   final Function(String type, Contact? recipient) onSelect;
@@ -17,6 +19,8 @@ class RecipientSelectorSheet extends StatefulWidget {
     required this.contacts,
     required this.rooms,
     required this.channels,
+    required this.unreadCount,
+    required this.unreadCountsByPublicKey,
     this.currentDestinationType,
     this.currentRecipientPublicKey,
     required this.onSelect,
@@ -47,7 +51,7 @@ class _RecipientSelectorSheetState extends State<RecipientSelectorSheet> {
 
   bool _isSelected(String type, Contact? contact) {
     if (widget.currentDestinationType != type) return false;
-    if (contact == null) return false;
+    if (contact == null) return widget.currentRecipientPublicKey == null;
     return contact.publicKeyHex == widget.currentRecipientPublicKey;
   }
 
@@ -138,6 +142,19 @@ class _RecipientSelectorSheetState extends State<RecipientSelectorSheet> {
             child: ListView(
               shrinkWrap: true,
               children: [
+                _buildOptionTile(
+                  context: context,
+                  icon: Icons.all_inbox,
+                  title: l10n.showAll,
+                  subtitle: 'All messages',
+                  unreadCount: widget.unreadCount,
+                  isSelected: _isSelected('all', null),
+                  onTap: () {
+                    widget.onSelect('all', null);
+                    Navigator.pop(context);
+                  },
+                ),
+                const Divider(),
                 // Channels section
                 if (widget.channels.isNotEmpty) ...[
                   Padding(
@@ -174,6 +191,10 @@ class _RecipientSelectorSheetState extends State<RecipientSelectorSheet> {
                         subtitle: channel.isPublicChannel
                             ? l10n.broadcastToAllNearby
                             : '${l10n.channel} ${channel.publicKey[1]}', // Show slot number
+                        unreadCount:
+                            widget.unreadCountsByPublicKey[channel
+                                .publicKeyHex] ??
+                            0,
                         isSelected: _isSelected('channel', channel),
                         onTap: () {
                           widget.onSelect('channel', channel);
@@ -219,6 +240,10 @@ class _RecipientSelectorSheetState extends State<RecipientSelectorSheet> {
                         contact: contact,
                         title: contact.displayName,
                         subtitle: contact.publicKeyShort,
+                        unreadCount:
+                            widget.unreadCountsByPublicKey[contact
+                                .publicKeyHex] ??
+                            0,
                         isSelected: _isSelected('contact', contact),
                         onTap: () {
                           widget.onSelect('contact', contact);
@@ -264,6 +289,9 @@ class _RecipientSelectorSheetState extends State<RecipientSelectorSheet> {
                         contact: room,
                         title: room.displayName,
                         subtitle: room.publicKeyShort,
+                        unreadCount:
+                            widget.unreadCountsByPublicKey[room.publicKeyHex] ??
+                            0,
                         isSelected: _isSelected('room', room),
                         onTap: () {
                           widget.onSelect('room', room);
@@ -314,6 +342,7 @@ class _RecipientSelectorSheetState extends State<RecipientSelectorSheet> {
     required Contact contact,
     required String title,
     required String subtitle,
+    required int unreadCount,
     required bool isSelected,
     required VoidCallback onTap,
   }) {
@@ -339,13 +368,95 @@ class _RecipientSelectorSheetState extends State<RecipientSelectorSheet> {
           ).textTheme.bodySmall?.color?.withValues(alpha: 0.6),
         ),
       ),
-      trailing: isSelected
+      trailing: _buildTrailing(
-          ? Icon(
+        context,
-              Icons.check_circle,
+        unreadCount: unreadCount,
-              color: Theme.of(context).colorScheme.primary,
+        isSelected: isSelected,
-            )
+      ),
-          : null,
       onTap: onTap,
     );
   }
+
+  Widget _buildOptionTile({
+    required BuildContext context,
+    required IconData icon,
+    required String title,
+    required String subtitle,
+    required int unreadCount,
+    required bool isSelected,
+    required VoidCallback onTap,
+  }) {
+    return ListTile(
+      leading: CircleAvatar(
+        radius: 20,
+        backgroundColor: Theme.of(context).colorScheme.surfaceContainerHighest,
+        child: Icon(icon, color: Theme.of(context).colorScheme.primary),
+      ),
+      title: Row(
+        children: [
+          Expanded(
+            child: Text(
+              title,
+              style: TextStyle(
+                fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
+              ),
+            ),
+          ),
+        ],
+      ),
+      subtitle: Text(
+        subtitle,
+        style: const TextStyle(fontSize: 12, fontFamily: 'monospace').copyWith(
+          color: Theme.of(
+            context,
+          ).textTheme.bodySmall?.color?.withValues(alpha: 0.6),
+        ),
+      ),
+      trailing: _buildTrailing(
+        context,
+        unreadCount: unreadCount,
+        isSelected: isSelected,
+      ),
+      onTap: onTap,
+    );
+  }
+
+  Widget? _buildTrailing(
+    BuildContext context, {
+    required int unreadCount,
+    required bool isSelected,
+  }) {
+    if (unreadCount <= 0 && !isSelected) {
+      return null;
+    }
+
+    return Row(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        if (unreadCount > 0)
+          Container(
+            key: Key('unread-badge-$unreadCount'),
+            padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+            decoration: BoxDecoration(
+              color: Theme.of(context).colorScheme.primary,
+              borderRadius: BorderRadius.circular(999),
+            ),
+            child: Text(
+              unreadCount > 99 ? '99+' : '$unreadCount',
+              style: TextStyle(
+                color: Theme.of(context).colorScheme.onPrimary,
+                fontSize: 12,
+                fontWeight: FontWeight.w700,
+              ),
+            ),
+          ),
+        if (unreadCount > 0 && isSelected) const SizedBox(width: 8),
+        if (isSelected)
+          Icon(
+            Icons.check_circle,
+            color: Theme.of(context).colorScheme.primary,
+          ),
+      ],
+    );
+  }
 }

lib/widgets/messages/voice_message_bubble.dart

@@ -366,15 +366,6 @@ class _VoiceMessageBubbleState extends State<VoiceMessageBubble> {
       }
     }
 
-    if (!sender.routeSupportsLegacyRawTransport) {
-      _clearRequestState();
-      await _showBlockingAlert(
-        'Cannot fetch voice',
-        'Sender route uses 3-byte hashes. Raw media fetch is not supported in this client yet.',
-      );
-      return;
-    }
-
     if (sender.routeHopCount >= 2) {
       _showToast(
         'Voice fetch over ${sender.routeHopCount} hops may take a while.',
@@ -415,10 +406,7 @@ class _VoiceMessageBubbleState extends State<VoiceMessageBubble> {
             missingIndices: missing,
             requesterKey6: requesterKey6,
           )
-        : VoiceFetchRequest(
+        : VoiceFetchRequest(sessionId: sessionId, requesterKey6: requesterKey6);
-            sessionId: sessionId,
-            requesterKey6: requesterKey6,
-          );
 
     try {
       debugPrint(
@@ -426,7 +414,7 @@ class _VoiceMessageBubbleState extends State<VoiceMessageBubble> {
       );
       await connectionProvider.sendRawVoicePacket(
         contactPath: sender.outPath,
-        contactPathLen: sender.routeSignedPathLen,
+        contactPathLen: sender.routeEncodedPathLen,
         payload: request.encodeBinary(),
       );
     } catch (_) {

linux/flutter/generated_plugin_registrant.cc

@@ -9,7 +9,6 @@
 #include <audioplayers_linux/audioplayers_linux_plugin.h>
 #include <file_selector_linux/file_selector_plugin.h>
 #include <flutter_avif_linux/flutter_avif_linux_plugin.h>
-#include <objectbox_flutter_libs/objectbox_flutter_libs_plugin.h>
 #include <record_linux/record_linux_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
 
@@ -23,9 +22,6 @@ void fl_register_plugins(FlPluginRegistry* registry) {
   g_autoptr(FlPluginRegistrar) flutter_avif_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterAvifLinuxPlugin");
   flutter_avif_linux_plugin_register_with_registrar(flutter_avif_linux_registrar);
-  g_autoptr(FlPluginRegistrar) objectbox_flutter_libs_registrar =
-      fl_plugin_registry_get_registrar_for_plugin(registry, "ObjectboxFlutterLibsPlugin");
-  objectbox_flutter_libs_plugin_register_with_registrar(objectbox_flutter_libs_registrar);
   g_autoptr(FlPluginRegistrar) record_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "RecordLinuxPlugin");
   record_linux_plugin_register_with_registrar(record_linux_registrar);

linux/flutter/generated_plugins.cmake

@@ -6,7 +6,6 @@ list(APPEND FLUTTER_PLUGIN_LIST
   audioplayers_linux
   file_selector_linux
   flutter_avif_linux
-  objectbox_flutter_libs
   record_linux
   url_launcher_linux
 )

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -14,8 +14,8 @@ import flutter_blue_plus_darwin
 import flutter_local_notifications
 import geolocator_apple
 import nsd_macos
-import objectbox_flutter_libs
 import package_info_plus
+import path_provider_foundation
 import record_macos
 import share_plus
 import shared_preferences_foundation
@@ -32,8 +32,8 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FlutterLocalNotificationsPlugin.register(with: registry.registrar(forPlugin: "FlutterLocalNotificationsPlugin"))
   GeolocatorPlugin.register(with: registry.registrar(forPlugin: "GeolocatorPlugin"))
   NsdMacosPlugin.register(with: registry.registrar(forPlugin: "NsdMacosPlugin"))
-  ObjectboxFlutterLibsPlugin.register(with: registry.registrar(forPlugin: "ObjectboxFlutterLibsPlugin"))
   FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
+  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   RecordMacOsPlugin.register(with: registry.registrar(forPlugin: "RecordMacOsPlugin"))
   SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))