Update group removal menu and redo regression fixtures

crates/oa-desktop/src/app.rs

@@ -1418,7 +1418,9 @@ impl App {
                 Message::Command(Command::MoveStep(..)) | Message::Delete
             )
         {
-            self.status = "Group reordering and removal need a whole-selection operation. Select one occurrence to edit it individually.".into();
+            self.status =
+                "Use Reorder or Remove above the canvas to act on the complete Scenario selection."
+                    .into();
             return Task::none();
         }
         let preview_read_only = self.process_preview_primary().is_some();

crates/oa-desktop/src/app/scenario_removal/tests.rs

@@ -318,7 +318,26 @@ fn scenario_group_removal_cancel_preserves_existing_redo_and_full_selection() {
     let renamed = f.app.document.bundle().clone();
     let _ = f.app.update(Message::Undo);
     assert!(f.app.document.can_redo());
+    // Rename inspects the renamed tail; Undo preserves that inspection. Restore
+    // the real group before testing cancellation of its removal review.
+    for (id, choice) in [
+        (f.reply, multiselect::Choice::Replace),
+        (f.call, multiselect::Choice::Add),
+    ] {
+        let event = selection::Event {
+            context: f.app.scenario_context().unwrap(),
+            snapshot: f.app.multiselect_snapshot().unwrap(),
+            intent: selection::Intent::Choose(Target::ScenarioObject(id), choice),
+        };
+        let _ = f
+            .app
+            .update(Message::ScenarioCanvas(CanvasEvent::Selection(Box::new(
+                event,
+            ))));
+    }
     let selected = f.app.multiselect_snapshot().unwrap();
+    assert_eq!(selected.targets().len(), 2);
+    assert!(f.app.document.can_redo());
     let source = f.app.document.bundle().clone();
     let token = open(&mut f.app);
     send(&mut f.app, Event::Cancel { token });

crates/oa-desktop/src/model_menu_scenario_tests.rs

@@ -211,6 +211,7 @@ fn scenario_group_menus_capture_set_and_never_expose_partial_model_actions() {
                 .any(|e| matches!(e, Entry::Title(label) if label == "2 selected"))
         );
         let mut enabled = 0;
+        let mut removals = 0;
         for entry in menu.entries {
             match entry {
                 Entry::Action {
@@ -218,6 +219,20 @@ fn scenario_group_menus_capture_set_and_never_expose_partial_model_actions() {
                     message: Some(Message::Menu(Event::Invoke(_, message))),
                     ..
                 } => {
+                    if let Message::ScenarioRemoval(event) = &*message {
+                        let crate::app::scenario_removal::Event::Begin {
+                            context,
+                            snapshot: captured,
+                        } = &**event
+                        else {
+                            panic!("Group menu must capture a fresh removal review");
+                        };
+                        assert_eq!(label, "Remove selected from Scenario…");
+                        assert_eq!(Some(*context), app.scenario_context());
+                        assert_eq!(captured, &snapshot);
+                        removals += 1;
+                        continue;
+                    }
                     let Message::ScenarioCanvas(CanvasEvent::Selection(event)) = *message else {
                         panic!("Scenario group menu exposed a singleton model action");
                     };
@@ -250,6 +265,7 @@ fn scenario_group_menus_capture_set_and_never_expose_partial_model_actions() {
             }
         }
         assert_eq!(enabled, if target == first { 3 } else { 2 });
+        assert_eq!(removals, 1, "One captured whole-selection removal action");
         assert_eq!(
             app.diagram_selection.as_ref().unwrap().targets(),
             &[