fix: identify failed Ortho pipe placement boundary

Plant3D2026/P_Rec_Annot/src/PRecAnnot.Plant3D2026/PlantReadPath.cs

@@ -479,15 +479,20 @@ internal sealed class PlantViewportMembershipReader
     private static bool TryReadPipePlacement(MdObjectId sourceId, DataLinksManager dataLinks, out GeometrySnapshot geometry)
     {
         geometry = new GeometrySnapshot();
+        var stage = "GetDatabase";
         try
         {
             var openedByQuery = false;
             var sourceDatabase = sourceId.GetDatabase(false, ref openedByQuery);
             try
             {
+                stage = "StartTransaction";
                 using var transaction = sourceDatabase.TransactionManager.StartOpenCloseTransaction();
+                stage = "MakeAcDbObjectId";
                 var objectId = dataLinks.MakeAcDbObjectId(sourceId.PrjObjectId, sourceDatabase);
+                stage = "OpenPipe";
                 if (transaction.GetObject(objectId, OpenMode.ForRead) is not Pipe pipe) return false;
+                stage = "TransformStartPoint";
                 var point = pipe.StartPoint.TransformBy(sourceId.Xform);
                 geometry = new GeometrySnapshot
                 {
@@ -503,7 +508,7 @@ internal sealed class PlantViewportMembershipReader
         }
         catch (Exception exception)
         {
-            RuntimeDiagnostics.Write("OrthoPipePlacementReadFailed", "ERROR", resultStatus: "ORTHO_PIPE_PLACEMENT_UNAVAILABLE", exception: exception);
+            RuntimeDiagnostics.Write("OrthoPipePlacementReadFailed", "ERROR", resultStatus: "ORTHO_PIPE_PLACEMENT_UNAVAILABLE", exception: exception, details: new Dictionary<string, object?> { ["PlacementStage"] = stage });
             return false;
         }
     }