From 0581d49eccced08496cd8bc47bfc459424c71c7d Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Sun, 5 Apr 2026 04:33:28 +0200
Subject: [PATCH] Enhance selection duplication logic and update tests

---
 src/app/App.js                       | 10 +++++++++-
 tests/e2e/box-brush-authoring.e2e.ts |  4 ++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/app/App.js b/src/app/App.js
index 8716c4ed..b99878a4 100644
--- a/src/app/App.js
+++ b/src/app/App.js
@@ -2129,7 +2129,15 @@ export function App({ store, initialStatusMessage }) {
         }
         try {
             store.executeCommand(createDuplicateSelectionCommand());
-            setStatusMessage("Duplicated selection.");
+            const duplicatedSelection = store.getState().selection;
+            const canGrabDuplicatedSelection = (duplicatedSelection.kind === "brushes" || duplicatedSelection.kind === "entities" || duplicatedSelection.kind === "modelInstances") &&
+                duplicatedSelection.ids.length === 1;
+            if (canGrabDuplicatedSelection) {
+                beginTransformOperation("translate", "keyboard");
+            }
+            else {
+                setStatusMessage("Duplicated selection.");
+            }
             return true;
         }
         catch (error) {
diff --git a/tests/e2e/box-brush-authoring.e2e.ts b/tests/e2e/box-brush-authoring.e2e.ts
index 80166f75..879b3776 100644
--- a/tests/e2e/box-brush-authoring.e2e.ts
+++ b/tests/e2e/box-brush-authoring.e2e.ts
@@ -142,6 +142,10 @@ test("shift+d duplicates the current selection and does not trigger while typing
     kind: "brushes"
   });
   expect(Object.keys(afterDuplicateSnapshot.document.brushes)).toHaveLength(2);
+  expect(afterDuplicateSnapshot.viewportTransientState.transformSession).toMatchObject({
+    kind: "active",
+    operation: "translate"
+  });
 
   const duplicatedBrushId = afterDuplicateSnapshot.selection.ids?.[0];
   expect(duplicatedBrushId).toBeDefined();