feat(sms): complete SmsConfig bundle export/import wiring + GetSmsConfigurationByIdAsync (S10b)

src/ZB.MOM.WW.ScadaBridge.Transport/Export/BundleExporter.cs

@@ -92,6 +92,11 @@ public sealed class BundleExporter : IBundleExporter
             Sites = resolved.Sites,
             DataConnections = resolved.DataConnections,
             Instances = resolved.Instances,
+            // SMS (S10b): wire the resolver's SMS config closure through the
+            // aggregate. Without this the aggregate carries the empty default and the
+            // bundle ships an empty smsConfigs array even when SMS configs were
+            // selected — mirrors the M8 site/instance fix (review item I3).
+            SmsConfigurations = resolved.SmsConfigs,
         };
         var contentDto = _entitySerializer.ToBundleContent(aggregate);
 
@@ -112,7 +117,11 @@ public sealed class BundleExporter : IBundleExporter
             // are 0 today and become correct once those waves land.
             Sites: contentDto.Sites.Count,
             DataConnections: contentDto.DataConnections.Count,
-            Instances: contentDto.Instances.Count);
+            Instances: contentDto.Instances.Count,
+            // SMS (S10b): additive count sourced from the serialized content DTO — the
+            // same array the importer reads — so the manifest summary always matches
+            // the packed payload.
+            SmsConfigs: contentDto.SmsConfigs.Count);
 
         // 4. Build a TEMPLATE manifest. BundleSerializer.Pack re-stamps both
         //    ContentHash and EncryptionMetadata against the bytes it actually