feat(composer): admit GalaxyMxGateway-backed equipment alias tags (+byte-parity)

src/Server/ZB.MOM.WW.OtOpcUa.Runtime/Drivers/DeploymentArtifact.cs

@@ -471,8 +471,11 @@ public static class DeploymentArtifact
             if (isEquipment) equipmentNamespaces.Add(id!);
         }
 
-        // driverInstanceId → namespaceId
+        // driverInstanceId → namespaceId, and driverInstanceId → DriverType. The DriverType map admits
+        // a Galaxy alias (a GalaxyMxGateway-backed equipment-scoped tag) that lives in a SystemPlatform
+        // namespace — byte-parity with the composer's `di.DriverType == "GalaxyMxGateway"` clause.
         var driverToNamespace = new Dictionary<string, string>(StringComparer.Ordinal);
+        var driverToType = new Dictionary<string, string>(StringComparer.Ordinal);
         foreach (var el in diArr.EnumerateArray())
         {
             if (el.ValueKind != JsonValueKind.Object) continue;
@@ -480,6 +483,9 @@ public static class DeploymentArtifact
             var ns = el.TryGetProperty("NamespaceId", out var nsEl) ? nsEl.GetString() : null;
             if (!string.IsNullOrWhiteSpace(id) && !string.IsNullOrWhiteSpace(ns))
                 driverToNamespace[id!] = ns!;
+            var dtype = el.TryGetProperty("DriverType", out var dtEl) ? dtEl.GetString() : null;
+            if (!string.IsNullOrWhiteSpace(id) && !string.IsNullOrWhiteSpace(dtype))
+                driverToType[id!] = dtype!;
         }
 
         var result = new List<EquipmentTagPlan>(tagsArr.GetArrayLength());
@@ -502,7 +508,10 @@ public static class DeploymentArtifact
 
             if (string.IsNullOrWhiteSpace(tagId) || string.IsNullOrWhiteSpace(di) || string.IsNullOrWhiteSpace(name)) continue;
             if (!driverToNamespace.TryGetValue(di!, out var nsId)) continue;
-            if (!equipmentNamespaces.Contains(nsId)) continue;
+            // A GalaxyMxGateway-backed alias qualifies even though its namespace is SystemPlatform-kind
+            // (not Equipment) — byte-parity with the composer's broadened equipment-tag filter.
+            var isGalaxyAlias = driverToType.TryGetValue(di!, out var dtype2) && dtype2 == "GalaxyMxGateway";
+            if (!equipmentNamespaces.Contains(nsId) && !isGalaxyAlias) continue;
 
             result.Add(new EquipmentTagPlan(
                 TagId: tagId!,