chore(a11y): pass labelConfig state through store updater

packages/system/src/constants.ts

@@ -45,3 +45,5 @@ export const defaultLabelConfig = {
   'a11yDescription.edge.default':
     'Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.',
 };
+
+export type LabelConfig = Partial<typeof defaultLabelConfig>;

packages/system/src/types/general.ts

@@ -313,9 +313,3 @@ export type OnBeforeDeleteBase<NodeType extends NodeBase = NodeBase, EdgeType ex
   nodes: NodeType[];
   edges: EdgeType[];
 }) => Promise<boolean | { nodes: NodeType[]; edges: EdgeType[] }>;
-
-export type LabelConfig = {
-  'a11yDescription.node.default'?: string;
-  'a11yDescription.node.keyboardDisabled'?: string;
-  'a11yDescription.edge.default'?: string;
-};