Palette: the entry that cancels the key object reads Cancel Key Object

The command palette listed select.key as Set Key Object. A pick runs
the command without an id, which cancels the key object (#541).

select.key is now labeled Cancel Key Object, the label of the Align
panel menu item that also cancels the key object. The palette lists
it once, and engine.commands reports the new label. The params text
and docs/mcp.md say that select.key {id} makes id the key object, and
that select.key {}, or an id that names no selected object, cancels
it. The Set Key Object rows are removed from the 10 catalogs that
had one.

Docs: the select.key params text, docs/mcp.md,
docs/target-app-parity.md.

# Conflicts:
#	crates/engine/src/cmd/select.rs
#	docs/mcp.md
#	docs/target-app-parity.md

crates/engine/src/cmd/select.rs

@@ -62,10 +62,10 @@ pub fn specs() -> Vec<CommandSpec> {
         ),
         cmd!(
             "select.key",
-            "Set Key Object",
+            "Cancel Key Object",
             [],
             None,
-            "{id?: a selected top-level object (not a layer, a compound-path member or an object inside another selected object), one of two or more (the Selection tool: a click on one object of a selection of several; on the key again: no id)} the key object Align aligns to and Distribute Spacing spaces from; without `id` it clears the key, as does a selection that holds only the key and objects inside it (one object, or a group key and its own members); any other id is an error that leaves the key as it was → {key} (the resulting key object, or null)",
+            "{id?: a selected top-level object (not a layer, a compound-path member or an object inside another selected object), one of two or more (the Selection tool: a click on one object of a selection of several; on the key again: no id)} the key object Align aligns to and Distribute Spacing spaces from; without `id` it cancels the key, as does a selection that holds only the key and objects inside it (one object, or a group key and its own members); any other id is an error that leaves the key as it was → {key} (the resulting key object, or null)",
             has_doc,
             key
         ),

crates/ui-egui/src/i18n/de.tsv

@@ -2474,7 +2474,6 @@
 	Set base color to the current color	Aktuelle Farbe als Grundfarbe festlegen
 	Set Bounds	Begrenzung festlegen
 	Set Current Layer	Aktuelle Ebene festlegen
-	Set Key Object	Basisobjekt festlegen
 	Set Keyboard Shortcut	Tastaturbefehl festlegen
 	Set Mesh Point Color	Farbe des Gitterpunkts festlegen
 	Set Preference	Voreinstellung festlegen

crates/ui-egui/src/i18n/es.tsv

@@ -2525,7 +2525,6 @@
 	Set base color to the current color	Definir el color actual como color base
 	Set Bounds	Definir límites
 	Set Current Layer	Definir capa actual
-	Set Key Object	Definir objeto clave
 	Set Keyboard Shortcut	Definir método abreviado de teclado
 	Set Mesh Point Color	Definir color de punto de malla
 	Set Preference	Definir preferencia

crates/ui-egui/src/i18n/fr.tsv

@@ -2522,7 +2522,6 @@
 	Set base color to the current color	Utiliser la couleur actuelle comme couleur de base
 	Set Bounds	Définir les limites
 	Set Current Layer	Définir le calque actif
-	Set Key Object	Définir l’objet clé
 	Set Keyboard Shortcut	Définir un raccourci clavier
 	Set Mesh Point Color	Définir la couleur du point de filet
 	Set Preference	Définir une préférence

crates/ui-egui/src/i18n/it.tsv

@@ -2525,7 +2525,6 @@
 	Set base color to the current color	Imposta il colore corrente come colore di base
 	Set Bounds	Imposta limiti
 	Set Current Layer	Imposta livello corrente
-	Set Key Object	Imposta oggetto chiave
 	Set Keyboard Shortcut	Imposta scelta rapida da tastiera
 	Set Mesh Point Color	Imposta colore punto trama
 	Set Preference	Imposta preferenza

crates/ui-egui/src/i18n/ja.tsv

@@ -2392,7 +2392,6 @@
 	Set Anchors	アンカーポイントを設定
 	Set Bounds	境界を設定
 	Set Current Layer	現在のレイヤーを設定
-	Set Key Object	キーオブジェクトを設定
 	Set Keyboard Shortcut	キーボードショートカットを設定
 	Set Mesh Point Color	メッシュポイントのカラーを設定
 	Set Preference	環境設定を設定

crates/ui-egui/src/i18n/pt-br.tsv

@@ -2115,7 +2115,6 @@
 	Set Anchors	Definir Âncoras
 	Set Bounds	Definir Limites
 	Set Current Layer	Definir Camada Atual
-	Set Key Object	Definir Objeto-Chave
 	Set Keyboard Shortcut	Definir Atalho de Teclado
 	Set Mesh Point Color	Definir Cor do Ponto de Malha
 	Set Preference	Definir Preferência

crates/ui-egui/src/i18n/ru.tsv

@@ -2521,7 +2521,6 @@
 	Set base color to the current color	Сделать текущий цвет базовым
 	Set Bounds	Задать границы
 	Set Current Layer	Сделать слой текущим
-	Set Key Object	Задать ключевой объект
 	Set Keyboard Shortcut	Задать сочетание клавиш
 	Set Mesh Point Color	Задать цвет точки сетки
 	Set Preference	Задать настройку

crates/ui-egui/src/i18n/uk.tsv

@@ -2517,7 +2517,6 @@
 	Set base color to the current color	Зробити поточний колір базовим
 	Set Bounds	Задати межі
 	Set Current Layer	Зробити шар поточним
-	Set Key Object	Задати ключовий об’єкт
 	Set Keyboard Shortcut	Задати клавіші
 	Set Mesh Point Color	Задати колір точки сітки
 	Set Preference	Задати налаштування

crates/ui-egui/src/i18n/zh-hans.tsv

@@ -2414,7 +2414,6 @@
 	Set base color to the current color	将基色设为当前颜色
 	Set Bounds	设置边界
 	Set Current Layer	设为当前图层
-	Set Key Object	设为关键对象
 	Set Keyboard Shortcut	设置键盘快捷键
 	Set Mesh Point Color	设置网格点颜色
 	Set Preference	设置首选项

crates/ui-egui/src/i18n/zh-hant.tsv

@@ -2503,7 +2503,6 @@
 	Set base color to the current color	將基本色設為目前顏色
 	Set Bounds	設定邊界
 	Set Current Layer	設定目前圖層
-	Set Key Object	設定關鍵物件
 	Set Keyboard Shortcut	設定鍵盤快速鍵
 	Set Mesh Point Color	設定網格點顏色
 	Set Preference	設定偏好設定

crates/ui-egui/src/palette.rs

@@ -147,4 +147,27 @@ mod tests {
             assert!(group.haystack.contains(&word.to_lowercase()), "{word}");
         }
     }
+
+    /// The palette lists `select.key` once, as Cancel Key Object (#541): a pick runs it with no id,
+    /// which cancels the key object. `engine.commands` gives agents the same label.
+    #[test]
+    fn the_palette_lists_cancel_key_object_once() {
+        let items = items();
+        let ids: Vec<&str> = items.iter().filter(|(label, ..)| label == "Cancel Key Object").map(|(_, id, _)| id.as_str()).collect();
+        assert_eq!(ids, ["select.key"]);
+        let mut app = VectorcraftApp::new(vectorcraft_engine::Session::new(), crate::Services::default());
+        let commands = crate::control::all_commands(&app);
+        let key = commands.as_array().unwrap().iter().find(|c| c["id"] == "select.key").unwrap();
+        assert_eq!(key["label"], "Cancel Key Object");
+        app.run("file.new", json!({"width": 200, "height": 200})).unwrap();
+        let a = app.run("shape.rectangle", json!({"x": 10, "y": 10, "width": 10, "height": 10})).unwrap()["id"].clone();
+        let b = app.run("shape.rectangle", json!({"x": 80, "y": 50, "width": 30, "height": 30})).unwrap()["id"].clone();
+        app.run("select.set", json!({"ids": [a, b]})).unwrap();
+        app.run("select.key", json!({"id": b})).unwrap();
+        assert!(app.session.active().unwrap().selection.key.is_some());
+        // Run a pick the way `show` runs it.
+        menus::invoke(&mut app, ids[0], json!({}));
+        let st = app.session.active().unwrap();
+        assert_eq!((st.selection.len(), st.selection.key), (2, None), "both objects stay selected, without a key");
+    }
 }

docs/mcp.md

@@ -724,7 +724,7 @@ A malformed or unknown id is an error naming that value; the entire selection is
 All three commands return `{count, ids}` for the resulting selection, in selection order.
 An empty array clears the selection for `select.set` and leaves it alone for Add and Toggle.
 
-`select.key {id}` makes `id` the key object that Align aligns to and Distribute Spacing spaces from (`object.align` without `to`, `object.distributeSpacing` with `spacing`), and `select.key {}` clears it.
+`select.key {id}` makes `id` the key object that Align aligns to and Distribute Spacing spaces from (`object.align` without `to`, `object.distributeSpacing` with `spacing`), and `select.key {}` cancels it.
 The id must name a selected top-level object.
 Layers, compound-path members and objects inside another selected object are not top-level objects.
 Any other id is an error naming that value, and the key is left unchanged.
@@ -734,6 +734,7 @@ On a single selected object, or on a group selected with only its own members, `
 It returns `{key}`, the key object's id or null.
 `document.inspect` (the `inspect_document` tool) reports the key object as `key`, null without one.
 The `ui.pointer` and `pointer_gesture` replies list it as `key` beside `selection`.
+The command palette lists `select.key` as Cancel Key Object and runs it without an id.
 
 `edit.clear {ids?}` deletes the exact selected objects, including individual compound-path members;
 their unselected siblings remain in the compound. Supplying `ids` works without a selection and

docs/target-app-parity.md

@@ -398,6 +398,7 @@ Moved from the ROADMAP's "Shipped so far" on 2026-10-10. Update it when a featur
   - **Selection:** Selection, Direct/Group Selection, Magic Wand, Lasso. A Shift-drag marquee toggles what it reaches: objects with the Selection tool, anchors with Direct and Group Selection (#483); the Lasso adds with Shift and subtracts with Alt. Dragging a path segment with Direct Selection bends it when it's curved (its anchors stay) and moves its two anchors when it's straight, one undo step; the fill, Shift or Alt still pick the whole path (Alt-drag copies it).
     A key object needs another selected object outside it. A Shift-click or any other change that leaves one object selected clears the key, and `select.key` sets none on one object or on a group selected with only its own members. With one object selected, the Align panel, the Control bar and the Properties panel align it to the artboard whatever Align To is set to.
     With two or more objects selected and no key object, Align to Key Object makes the topmost of them the key, whatever order they were selected in, and the Align panel, the Control bar and the Properties panel align to it. Align To keeps its Selection or Artboard choice and shows it again once the key is cleared.
+    The command palette lists `select.key` as Cancel Key Object, and a pick cancels the key object (#541).
     Agent selection commands validate every object id before changing the selection and report the resulting count and ids (#784).
     Agents read the key object: `select.key` returns it, and `document.inspect` and the `ui.pointer` and `pointer_gesture` replies report it as `key`. `select.key` with an id that isn't a selected top-level object returns an error and leaves the key unchanged.
     Align and Distribute Spacing keep a compound path or selected group that contains the key object in place, as they keep the key object itself.