refactor(config): DraftValidator Galaxy rule reads ExplicitFullName via TagConfigIntent (R2-11)

src/Core/ZB.MOM.WW.OtOpcUa.Configuration/Validation/DraftValidator.cs

@@ -1,4 +1,5 @@
 using System.Text.RegularExpressions;
+using ZB.MOM.WW.OtOpcUa.Commons.Types;
 using ZB.MOM.WW.OtOpcUa.Configuration.Entities;
 using ZB.MOM.WW.OtOpcUa.Configuration.Enums;
 
@@ -47,29 +48,16 @@ public static class DraftValidator
             if (t.EquipmentId is null) continue;
             if (!typeByDriver.TryGetValue(t.DriverInstanceId, out var dtype) || dtype != "GalaxyMxGateway")
                 continue;
-            if (string.IsNullOrWhiteSpace(ExtractTagConfigFullName(t.TagConfig)))
+            // The Galaxy rule wants the EXPLICIT reference, not the raw-blob fallback — so it reads
+            // TagConfigIntent.ExplicitFullName (the "FullName" property only when present-and-string,
+            // else null), preserving the historical null-on-absent semantics by construction (R2-11).
+            if (string.IsNullOrWhiteSpace(TagConfigIntent.Parse(t.TagConfig).ExplicitFullName))
                 errors.Add(new("GalaxyTagMissingReference",
                     $"Galaxy tag '{t.TagId}' on equipment '{t.EquipmentId}' is missing a Galaxy reference (TagConfig.FullName)",
                     t.TagId));
         }
     }
 
-    // Minimal reader for the top-level "FullName" string in a tag's schemaless TagConfig JSON
-    // (mirrors AddressSpaceComposer.ExtractTagFullName — a small local copy, consistent with this codebase
-    // where the composer keeps its own).
-    private static string? ExtractTagConfigFullName(string? tagConfig)
-    {
-        if (string.IsNullOrWhiteSpace(tagConfig)) return null;
-        try
-        {
-            using var doc = System.Text.Json.JsonDocument.Parse(tagConfig);
-            return doc.RootElement.ValueKind == System.Text.Json.JsonValueKind.Object
-                && doc.RootElement.TryGetProperty("FullName", out var fn)
-                && fn.ValueKind == System.Text.Json.JsonValueKind.String ? fn.GetString() : null;
-        }
-        catch (System.Text.Json.JsonException) { return null; }
-    }
-
     private static void ValidateNoEquipmentSignalNameCollision(DraftSnapshot draft, List<ValidationError> errors)
     {
         // Materialiser NodeId key: "{EquipmentId}[/{FolderPath}]/{Name}". Tag (EquipmentId != null) and

src/Core/ZB.MOM.WW.OtOpcUa.Configuration/ZB.MOM.WW.OtOpcUa.Configuration.csproj

@@ -27,6 +27,9 @@
 
     <ItemGroup>
         <ProjectReference Include="..\ZB.MOM.WW.OtOpcUa.Core.Abstractions\ZB.MOM.WW.OtOpcUa.Core.Abstractions.csproj"/>
+        <!-- R2-11 (01/C-1): consume the shared TagConfigIntent.Parse byte-parity authority in Commons.
+             Cycle-safe — Commons has zero in-repo ProjectReferences. -->
+        <ProjectReference Include="..\ZB.MOM.WW.OtOpcUa.Commons\ZB.MOM.WW.OtOpcUa.Commons.csproj"/>
     </ItemGroup>
 
 </Project>