Remove hex logs and keep path data

lib/providers/app_provider.dart

@@ -249,17 +249,14 @@ class AppProvider with ChangeNotifier {
 
   /// Sync drawings from messages on app startup (before BLE connection)
   Future<void> _syncDrawingsOnStartup() async {
-    // Wait for MessagesProvider to finish initializing
-    // DrawingProvider loads around the same time
+    // Wait for both MessagesProvider and DrawingProvider to finish initializing
     int attempts = 0;
-    while (!messagesProvider.isInitialized && attempts < 20) {
+    while ((!messagesProvider.isInitialized || !drawingProvider.isInitialized) &&
+        attempts < 40) {
       await Future.delayed(const Duration(milliseconds: 50));
       attempts++;
     }
 
-    // Give DrawingProvider a moment to finish loading too
-    await Future.delayed(const Duration(milliseconds: 100));
-
     _restoreSessionMetadataFromMessages();
 
     debugPrint(
@@ -975,9 +972,10 @@ class AppProvider with ChangeNotifier {
       if (AppProvider.shouldIgnoreSelfReplay(
         message: message,
         ownPublicKey: connectionProvider.deviceInfo.publicKey,
-        ownName:
-            connectionProvider.deviceInfo.deviceName ??
-            connectionProvider.deviceInfo.selfName,
+        ownName: _preferredSelfDisplayName(
+          deviceName: connectionProvider.deviceInfo.deviceName,
+          selfName: connectionProvider.deviceInfo.selfName,
+        ),
       )) {
         debugPrint('⏭️ [AppProvider] Ignoring self replay: ${message.id}');
         return;

lib/providers/drawing_provider.dart

@@ -22,6 +22,7 @@ class DrawingProvider with ChangeNotifier {
 
   // Completed drawings
   final List<MapDrawing> _drawings = [];
+  bool _isInitialized = false;
 
   // In-progress drawing
   MapDrawing? _currentDrawing;
@@ -53,6 +54,7 @@ class DrawingProvider with ChangeNotifier {
   List<LatLng> get currentLinePoints => List.unmodifiable(_currentLinePoints);
   LatLng? get rectangleStartPoint => _rectangleStartPoint;
   bool get isDrawing => _drawingMode != DrawingMode.none;
+  bool get isInitialized => _isInitialized;
   LatLng? get measurementPoint1 => _measurementPoint1;
   LatLng? get measurementPoint2 => _measurementPoint2;
   double? get measuredDistance => _measuredDistance;
@@ -61,6 +63,7 @@ class DrawingProvider with ChangeNotifier {
   Future<void> initialize() async {
     await _loadPreferences();
     await _loadDrawings();
+    _isInitialized = true;
   }
 
   /// Set drawing mode

lib/providers/messages_provider.dart

@@ -28,6 +28,8 @@ class MessagesProvider with ChangeNotifier {
   final MessageStorageService _storageService = MessageStorageService();
   final NotificationService _notificationService = NotificationService();
   bool _isInitialized = false;
+  bool _isPersisting = false;
+  bool _persistRequested = false;
   AppLocalizations? _localizations;
   final Map<String, MessageContactLocation> _messageContactLocations = {};
   final Map<String, MessageReceptionDetails> _messageReceptionDetails = {};
@@ -1018,18 +1020,29 @@ class MessagesProvider with ChangeNotifier {
     return '${mib.toStringAsFixed(mib >= 10 ? 0 : 1)} MB';
   }
 
-  /// Persist messages to storage (async, non-blocking)
+  /// Persist messages to storage (async, non-blocking, coalescing).
+  ///
+  /// Multiple rapid calls are coalesced into a single write to avoid
+  /// overlapping serialization and redundant SharedPreferences writes.
   Future<void> _persistMessages() async {
+    _persistRequested = true;
+    if (_isPersisting) return; // A write is in flight; it will pick up our changes.
+    _isPersisting = true;
     try {
-      await _storageService.saveMessages(
-        _messages,
-        messageContactLocations: _messageContactLocations,
-        messageReceptionDetails: _messageReceptionDetails,
-        messageTransferDetails: _messageTransferDetails,
-        messageRouteMetadata: _messageRouteMetadata,
-      );
+      while (_persistRequested) {
+        _persistRequested = false;
+        await _storageService.saveMessages(
+          _messages,
+          messageContactLocations: _messageContactLocations,
+          messageReceptionDetails: _messageReceptionDetails,
+          messageTransferDetails: _messageTransferDetails,
+          messageRouteMetadata: _messageRouteMetadata,
+        );
+      }
     } catch (e) {
       debugPrint('❌ [MessagesProvider] Error persisting messages: $e');
+    } finally {
+      _isPersisting = false;
     }
   }