feat(templates): GetTemplateStubsAsync untracked identity/edge projection

src/ZB.MOM.WW.ScadaBridge.Commons/Types/Templates/TemplateStub.cs

@@ -0,0 +1,19 @@
+namespace ZB.MOM.WW.ScadaBridge.Commons.Types.Templates;
+
+/// <summary>
+/// Lightweight template identity/edge projection (no attributes, alarms, scripts or compositions)
+/// for callers that only need names and the inheritance/folder/ownership edges.
+/// </summary>
+/// <param name="Id">Template ID.</param>
+/// <param name="Name">Template name.</param>
+/// <param name="ParentTemplateId">Base template, if any.</param>
+/// <param name="FolderId">Containing folder, if any.</param>
+/// <param name="IsDerived">True for auto-derived composition templates.</param>
+/// <param name="OwnerCompositionId">Owning composition row for derived templates.</param>
+public sealed record TemplateStub(
+    int Id,
+    string Name,
+    int? ParentTemplateId,
+    int? FolderId,
+    bool IsDerived,
+    int? OwnerCompositionId);