feat: add system task runner (#5680)

web/default/src/components/layout/types.ts

@@ -28,6 +28,12 @@ type BaseNavItem = {
   icon?: React.ElementType
   activeUrls?: (LinkProps['to'] | (string & {}))[]
   configUrls?: (LinkProps['to'] | (string & {}))[]
+  /**
+   * Minimum role required to see this item in the sidebar. When set, the item
+   * is hidden for users whose role is below this threshold (see
+   * `useSidebarView`). Route-level guards still enforce access independently.
+   */
+  requiredRole?: number
 }
 
 /**