Fix channel refresh telemetry how

lib/providers/connection_provider.dart

@@ -1257,6 +1257,10 @@ class ConnectionProvider with ChangeNotifier {
         channelName: channelName,
         secret: secretBytes,
       );
+
+      // Reconcile local state from the device after the write completes,
+      // matching the delete flow so channel/contact lists refresh immediately.
+      await _activeService.getChannel(slotIdx);
     } catch (e) {
       if (_isChannelRefreshTimeoutError(e)) {
         debugPrint(

lib/providers/contacts_provider.dart

@@ -875,7 +875,7 @@ class ContactsProvider with ChangeNotifier {
           telemetry.gpsLocation,
         )) {
           debugPrint(
-            '  ⚠️ Retaining last valid GPS. Incoming telemetry GPS is invalid/missing: $incomingGps',
+            '  ⚠️ Incoming telemetry GPS is invalid/missing; keeping last known contact location as fallback: $incomingGps',
           );
         }
         telemetry = ContactTelemetry(