test(editor): Add deprecation warnings for e2e page classes (no-changelog) (#12489)

cypress/pages/variables.ts

@@ -2,6 +2,14 @@ import { BasePage } from './base';
 
 import Chainable = Cypress.Chainable;
 
+/**
+ * @deprecated Use functional composables from @composables instead.
+ * If a composable doesn't exist for your use case, please create a new one in:
+ * cypress/composables
+ *
+ * This class-based approach is being phased out in favor of more modular functional composables.
+ * Each getter and action in this class should be moved to individual composable functions.
+ */
 export class VariablesPage extends BasePage {
 	url = '/variables';