feat(opcua): remove SystemPlatform-mirror GalaxyTags contract end-to-end (composer+applier+artifact, byte-parity)

src/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer/Phase7Applier.cs

@@ -70,22 +70,20 @@ public sealed class Phase7Applier
 
         var changedCount =
             plan.ChangedEquipment.Count + plan.ChangedDrivers.Count + plan.ChangedAlarms.Count +
-            plan.ChangedGalaxyTags.Count + plan.ChangedEquipmentTags.Count +
+            plan.ChangedEquipmentTags.Count +
             plan.ChangedEquipmentVirtualTags.Count;
         var addedCount =
             plan.AddedEquipment.Count + plan.AddedDrivers.Count + plan.AddedAlarms.Count +
-            plan.AddedGalaxyTags.Count + plan.AddedEquipmentTags.Count +
+            plan.AddedEquipmentTags.Count +
             plan.AddedEquipmentVirtualTags.Count;
 
-        // Any add/remove of Equipment, ScriptedAlarm, Galaxy tag, Equipment tag, or Equipment
-        // VirtualTag topology requires a real address-space rebuild. Driver-instance changes don't
-        // touch the address-space topology directly — they go through DriverHostActor's spawn-plan
-        // in Runtime.
+        // Any add/remove of Equipment, ScriptedAlarm, Equipment tag, or Equipment VirtualTag topology
+        // requires a real address-space rebuild. Driver-instance changes don't touch the address-space
+        // topology directly — they go through DriverHostActor's spawn-plan in Runtime.
         // TODO(equipment-virtualtags): when MaterialiseEquipmentVirtualTags drives per-delta sink work, revisit whether ChangedEquipmentVirtualTags should also force needsRebuild.
         var needsRebuild =
             plan.AddedEquipment.Count > 0 || plan.RemovedEquipment.Count > 0 ||
             plan.AddedAlarms.Count > 0 || plan.RemovedAlarms.Count > 0 ||
-            plan.AddedGalaxyTags.Count > 0 || plan.RemovedGalaxyTags.Count > 0 ||
             plan.AddedEquipmentTags.Count > 0 || plan.RemovedEquipmentTags.Count > 0 ||
             plan.AddedEquipmentVirtualTags.Count > 0 || plan.RemovedEquipmentVirtualTags.Count > 0;
 
@@ -141,46 +139,8 @@ public sealed class Phase7Applier
     }
 
     /// <summary>
-    ///     Materialise Galaxy / SystemPlatform-namespace tags from a composition snapshot:
-    ///     for each <see cref="GalaxyTagPlan"/>, ensure its FolderPath segment exists (a folder
-    ///     under the namespace root), then ensure a Variable node sits inside that folder for
-    ///     the leaf <see cref="GalaxyTagPlan.DisplayName"/>. Variable starts with BadWaitingForInitialData;
-    ///     the Galaxy driver's <c>OnDataChange</c> path fills the value in once SubscribeBulk lands.
-    ///     Idempotent.
-    /// </summary>
-    /// <param name="composition">The composition result containing the Galaxy tags to materialise.</param>
-    public void MaterialiseGalaxyTags(Phase7CompositionResult composition)
-    {
-        ArgumentNullException.ThrowIfNull(composition);
-        if (composition.GalaxyTags.Count == 0) return;
-
-        // Folders first — each distinct FolderPath becomes one folder under the root.
-        var foldersCreated = new HashSet<string>(StringComparer.Ordinal);
-        foreach (var tag in composition.GalaxyTags)
-        {
-            if (string.IsNullOrWhiteSpace(tag.FolderPath)) continue;
-            if (!foldersCreated.Add(tag.FolderPath)) continue;
-            SafeEnsureFolder(tag.FolderPath, parentNodeId: null, displayName: tag.FolderPath);
-        }
-
-        // Variables: NodeId is "<FolderPath>.<DisplayName>" so it matches the MXAccess ref the
-        // Galaxy driver subscribes to. Browse-path lookup via OPC UA Translate is the canonical
-        // resolution; flat NodeId keeps the address space lookup cheap.
-        foreach (var tag in composition.GalaxyTags)
-        {
-            var nodeId = string.IsNullOrWhiteSpace(tag.FolderPath) ? tag.DisplayName : tag.MxAccessRef;
-            var parent = string.IsNullOrWhiteSpace(tag.FolderPath) ? null : tag.FolderPath;
-            SafeEnsureVariable(nodeId, parent, tag.DisplayName, tag.DataType);
-        }
-
-        _logger.LogInformation(
-            "Phase7Applier: Galaxy tags materialised (tags={Tags}, folders={Folders})",
-            composition.GalaxyTags.Count, foldersCreated.Count);
-    }
-
-    /// <summary>
-    ///     Materialise Equipment-namespace tags from a composition snapshot — the equipment-signal
-    ///     analogue of <see cref="MaterialiseGalaxyTags"/>. For each <see cref="EquipmentTagPlan"/>,
+    ///     Materialise Equipment-namespace tags from a composition snapshot.
+    ///     For each <see cref="EquipmentTagPlan"/>,
     ///     ensure its optional <c>FolderPath</c> sub-folder under the existing equipment folder, then
     ///     ensure a Variable (NodeId = <c>FullName</c>, the driver-side ref) inside it. Variables
     ///     start BadWaitingForInitialData; the driver fills live values in a later milestone.
@@ -222,7 +182,7 @@ public sealed class Phase7Applier
         // would collide in the sink (EnsureVariable keys on NodeId) and drop all but one machine's
         // signal. The driver-side FullName lives on EquipmentTagPlan for the later values milestone to
         // route by. Parent is the FolderPath sub-folder when set, else the equipment folder directly.
-        // Like the Galaxy pass, per-variable idempotency relies on the sink's own EnsureVariable.
+        // Per-variable idempotency relies on the sink's own EnsureVariable.
         foreach (var tag in composition.EquipmentTags)
         {
             var parent = string.IsNullOrWhiteSpace(tag.FolderPath)