feat: add ortho annotation removal and package integrity manifest

Plant3D2026/P_Rec_Annot/src/PRecAnnot.Plant3D2026/EntryPoint.cs

@@ -53,6 +53,7 @@ public sealed class EntryPoint : IExtensionApplication
     [CommandMethod("PXP-IE")] public void InsertElevationCommand() => ElevationCommands.RunManual();
     [CommandMethod("PXP-COV")] public void CheckOrthoViewportCommand() => OrthoMaintenanceCommands.CheckViewport();
     [CommandMethod("PXP-UOB")] public void UpdateOrthoViewBlocksCommand() => PRecAnnot.Plant3D2026.UpdateOrthoViewBlocksCommand.Run();
+    [CommandMethod("PXP-RA", CommandFlags.Session)] public void RemoveOrthoAnnotationsCommand() => OrthoAnnotationRemovalCommand.Run();
     [CommandMethod("PXP-AC", CommandFlags.UsePickSet)] public void SwapAttributesCommand() => PRecAnnot.Plant3D2026.SwapAttributesCommand.Run();
     [CommandMethod("PXP-IOD", CommandFlags.Session)] public void UpdateOrthoDrawingsCommand() => PRecAnnot.Plant3D2026.UpdateOrthoDrawingsCommand.Run();
     [CommandMethod("mto-ma")] public void ShowManualAnnotationPaletteCommand() => ManualAnnotationPalette.Show();

Plant3D2026/P_Rec_Annot/src/PRecAnnot.Plant3D2026/OrthoAnnotationRemovalCommand.cs

@@ -0,0 +1,72 @@
+using Autodesk.AutoCAD.ApplicationServices;
+using Autodesk.AutoCAD.DatabaseServices;
+using Autodesk.AutoCAD.EditorInput;
+using Autodesk.ProcessPower.P3dProjectParts;
+using Autodesk.ProcessPower.PlantInstance;
+using PRecAnnot.Abstractions;
+using AcadApplication = Autodesk.AutoCAD.ApplicationServices.Core.Application;
+
+namespace PRecAnnot.Plant3D2026;
+
+// Source port of OrthoAutoAnnotate.Commands.RemoveAnnotations (PXP-RA).
+// The modern writer records the viewport identity in PXP-OA XData, allowing
+// deterministic removal without depending on the historical named-dictionary scan.
+internal static class OrthoAnnotationRemovalCommand
+{
+    private const string ApplicationName = "PXP-OA";
+
+    public static void Run()
+    {
+        var document = AcadApplication.DocumentManager.MdiActiveDocument;
+        if (document is null) return;
+        try
+        {
+            var options = new PromptEntityOptions("\nSelect Ortho viewport: ");
+            options.SetRejectMessage("\nA viewport is required.");
+            options.AddAllowedClass(typeof(Viewport), true);
+            var selected = document.Editor.GetEntity(options);
+            if (selected.Status != PromptStatus.OK) return;
+            var viewport = Resolve(document, selected.ObjectId);
+
+            using var documentLock = document.LockDocument();
+            using var transaction = document.Database.TransactionManager.StartTransaction();
+            var blocks = (BlockTable)transaction.GetObject(document.Database.BlockTableId, OpenMode.ForRead);
+            var paper = (BlockTableRecord)transaction.GetObject(blocks[BlockTableRecord.PaperSpace], OpenMode.ForRead);
+            var removed = 0;
+            foreach (ObjectId id in paper)
+            {
+                var entity = transaction.GetObject(id, OpenMode.ForRead) as Entity;
+                if (entity is null || !OwnedByViewport(entity, viewport.Id)) continue;
+                entity.UpgradeOpen();
+                entity.Erase();
+                removed++;
+            }
+            transaction.Commit();
+            document.Editor.WriteMessage($"\nPXP-RA: removed={removed}; native AutoCAD UNDO is available.");
+            RuntimeDiagnostics.Write("OrthoAnnotationRemovalCompleted", commandName: "PXP-RA", resultStatus: "Completed", document: document, details: new Dictionary<string, object?> { ["Removed"] = removed, ["Viewport"] = viewport.Id });
+        }
+        catch (Exception exception)
+        {
+            RuntimeDiagnostics.Write("OrthoAnnotationRemovalFailed", "ERROR", commandName: "PXP-RA", resultStatus: exception.Message, exception: exception, document: document);
+            document.Editor.WriteMessage("\nPXP-RA: " + exception.Message);
+        }
+    }
+
+    private static OrthoViewportInfo Resolve(Document document, ObjectId selectedId)
+    {
+        using var transaction = document.Database.TransactionManager.StartOpenCloseTransaction();
+        var selected = (Viewport)transaction.GetObject(selectedId, OpenMode.ForRead);
+        var project = PlantApplication.ProjectPart("Ortho") as OrthoProject ?? throw new InvalidOperationException("ORTHO_PROJECT_UNAVAILABLE");
+        var matches = new PlantOrthoViewportReader(project, document.Name).ReadViewports(CancellationToken.None)
+            .Where(x => Math.Abs(x.CenterX - selected.CenterPoint.X) < .001 && Math.Abs(x.CenterY - selected.CenterPoint.Y) < .001 && Math.Abs(x.Width - selected.Width) < .001 && Math.Abs(x.Height - selected.Height) < .001)
+            .ToArray();
+        return matches.Length == 1 ? matches[0] : throw new InvalidOperationException(matches.Length == 0 ? "ORTHO_VIEW_NOT_FOUND" : "ORTHO_VIEW_AMBIGUOUS");
+    }
+
+    private static bool OwnedByViewport(Entity entity, string viewportId)
+    {
+        using var data = entity.GetXDataForApplication(ApplicationName);
+        var values = data?.AsArray().Where(value => value.TypeCode == (int)DxfCode.ExtendedDataAsciiString).Select(value => value.Value?.ToString()).ToArray();
+        return values is { Length: >= 2 } && string.Equals(values[0], "VIEWPORT", StringComparison.Ordinal) && string.Equals(values[1], viewportId, StringComparison.Ordinal);
+    }
+}