Add Playwright E2E tests replacing Cypress with MSW integration

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/e2e/specs/accountAdmin/deleteAccount.spec.ts

@@ -0,0 +1,39 @@
+// The Lucia project.
+// Copyright 2026-2026 DSP, inc.  All rights reserved.
+// Authors:
+//   imacat.yang@dsp.im (imacat), 2026/03/22
+
+import { test, expect } from "@playwright/test";
+import { loginWithMSW } from "../../helpers";
+
+test.describe("Delete an Account", () => {
+  test.beforeEach(async ({ page, context }) => {
+    await loginWithMSW(context);
+    await page.goto("/account-admin");
+    await expect(page.getByText("Test Admin").first()).toBeVisible();
+  });
+
+  test("Delete button opens confirmation modal and deletes on confirm.", async ({
+    page,
+  }) => {
+    await page.locator("img.delete-account").first().click();
+    await expect(
+      page.getByText("ARE YOU SURE TO DELETE"),
+    ).toBeVisible();
+    await page.locator("#sure_to_delete_acct_btn").click();
+    await expect(page.getByText("Account deleted")).toBeVisible();
+  });
+
+  test("Cancel button closes the delete confirmation modal.", async ({
+    page,
+  }) => {
+    await page.locator("img.delete-account").first().click();
+    await expect(
+      page.getByText("ARE YOU SURE TO DELETE"),
+    ).toBeVisible();
+    await page.locator("#calcel_delete_acct_btn").click();
+    await expect(
+      page.getByText("ARE YOU SURE TO DELETE"),
+    ).not.toBeVisible();
+  });
+});