#2991: list Enter Isolation Mode in Keyboard Shortcuts

Mark object.isolate id as optional so runs_without_params includes it in the shortcut editor; engine already isolates the first selected object when id is omitted.

Co-authored-by: Cursor <cursoragent@cursor.com>

crates/engine/src/cmd/object.rs

@@ -227,7 +227,7 @@ pub fn specs() -> Vec<CommandSpec> {
             has_selection,
             |s, _| clip_edit(s, true)
         ),
-        cmd!("object.isolate", "Enter Isolation Mode", [], None, "{id}", has_doc, isolate),
+        cmd!("object.isolate", "Enter Isolation Mode", [], None, "{id?} (default: the selection's first object)", has_doc, isolate),
         cmd!("object.exitIsolation", "Exit Isolation Mode", [], None, "{}", has_doc, exit_isolation),
         cmd!(
             "object.setProps",

crates/engine/src/tests_menucmds.rs

@@ -1280,6 +1280,17 @@ fn next_object_above_and_below_pass_over_what_cant_be_selected() {
     assert_eq!(selected(&s), vec![a]);
 }
 
+/// A keyboard shortcut runs `object.isolate` with no params; the first selected object is isolated (#2991).
+#[test]
+fn object_isolate_without_id_uses_the_selection() {
+    let mut s = session();
+    let a = rect(&mut s, 0.0, 0.0, 50.0, 50.0);
+    let _b = rect(&mut s, 100.0, 0.0, 50.0, 50.0);
+    sel(&mut s, &[a]);
+    s.execute("object.isolate", &json!({})).unwrap();
+    assert_eq!(s.doc().unwrap().isolation, Some(a));
+}
+
 /// In isolation mode Select › Same and Select › Object select only objects in the isolated group.
 #[test]
 fn select_menu_commands_stay_inside_the_isolated_group() {

crates/ui-egui/src/shortcut_editor.rs

@@ -1014,4 +1014,16 @@ mod tests {
         assert!(assign(&mut ov, "symbol.breakLink", Some("Cmd+Alt+Shift+F9"), true).is_ok());
         assert_eq!(effective_in(&ov, "symbol.breakLink").as_deref(), Some("Cmd+Alt+Shift+F9"));
     }
+
+    /// #2991: Enter Isolation Mode has no default key but runs on the selection, so it belongs in
+    /// Edit › Keyboard Shortcuts.
+    #[test]
+    fn enter_isolation_mode_command_is_listed_and_assignable() {
+        let e = entry("object.isolate").expect("listed");
+        assert_eq!((e.label.as_str(), e.group.as_str(), e.is_tool), ("Enter Isolation Mode", "Object", false));
+        assert_eq!(default_of("object.isolate"), None);
+        let mut ov = BTreeMap::new();
+        assign(&mut ov, "object.isolate", Some("Cmd+Alt+Shift+F11"), false).unwrap();
+        assert_eq!(effective_in(&ov, "object.isolate").as_deref(), Some("Cmd+Alt+Shift+F11"));
+    }
 }