fix: improve BLE scanning reliability and filter out own node from contacts list improve text scaling

lib/connector/meshcore_connector.dart

@@ -625,6 +625,17 @@ class MeshCoreConnector extends ChangeNotifier {
     _scanResults.clear();
     _setState(MeshCoreConnectionState.scanning);
 
+    // Ensure any previous scan is fully stopped
+    await FlutterBluePlus.stopScan();
+    await _scanSubscription?.cancel();
+
+    // On iOS/macOS, add a small delay to allow BLE stack to reset
+    // This prevents cached results from interfering with new scans
+    if (defaultTargetPlatform == TargetPlatform.iOS ||
+        defaultTargetPlatform == TargetPlatform.macOS) {
+      await Future.delayed(const Duration(milliseconds: 300));
+    }
+
     _scanSubscription = FlutterBluePlus.scanResults.listen((results) {
       _scanResults.clear();
       for (var result in results) {

lib/screens/contacts_screen.dart

@@ -313,6 +313,14 @@ class _ContactsScreenState extends State<ContactsScreen>
       return matchesContactQuery(contact, _searchQuery);
     }).toList();
 
+    // Filter out own node from the list
+    if (connector.selfPublicKey != null) {
+      final selfPubKeyHex = pubKeyToHex(connector.selfPublicKey!);
+      filtered = filtered.where((contact) {
+        return contact.publicKeyHex != selfPubKeyHex;
+      }).toList();
+    }
+
     if (_typeFilter != ContactTypeFilter.all) {
       filtered = filtered.where(_matchesTypeFilter).toList();
     }
@@ -863,21 +871,30 @@ class _ContactTile extends StatelessWidget {
       subtitle: Text(
         '${contact.typeLabel} • ${contact.pathLabel} $shotPublicKey',
       ),
-      trailing: Column(
+      // Clamp text scaling in trailing section to prevent overflow while
-        mainAxisAlignment: MainAxisAlignment.center,
+      // maintaining accessibility. Primary content (title/subtitle) scales normally.
-        crossAxisAlignment: CrossAxisAlignment.end,
+      trailing: MediaQuery(
-        children: [
+        data: MediaQuery.of(context).copyWith(
-          if (unreadCount > 0) ...[
+          textScaler: TextScaler.linear(
-            UnreadBadge(count: unreadCount),
+            MediaQuery.textScalerOf(context).scale(1.0).clamp(1.0, 1.3),
-            const SizedBox(height: 4),
-          ],
-          Text(
-            _formatLastSeen(context, lastSeen),
-            style: TextStyle(fontSize: 12, color: Colors.grey[600]),
           ),
-          if (contact.hasLocation)
+        ),
-            Icon(Icons.location_on, size: 14, color: Colors.grey[400]),
+        child: Column(
-        ],
+          mainAxisAlignment: MainAxisAlignment.center,
+          crossAxisAlignment: CrossAxisAlignment.end,
+          children: [
+            if (unreadCount > 0) ...[
+              UnreadBadge(count: unreadCount),
+              const SizedBox(height: 4),
+            ],
+            Text(
+              _formatLastSeen(context, lastSeen),
+              style: TextStyle(fontSize: 12, color: Colors.grey[600]),
+            ),
+            if (contact.hasLocation)
+              Icon(Icons.location_on, size: 14, color: Colors.grey[400]),
+          ],
+        ),
       ),
       onTap: onTap,
       onLongPress: onLongPress,