feat: add E2E test for profile update and delete account

frontend/tests/e2e/profile-update.spec.ts

@@ -0,0 +1,45 @@
+import { test, expect } from '@playwright/test';
+
+/**
+ * E2E tests for user profile management:
+ *   - Update name/email via PUT /auth/me
+ *   - Delete (deactivate) account via DELETE /auth/me
+ */
+
+test.describe('User Profile Management', () => {
+  const email = `test-${Date.now()}@example.com`;
+  const password = 'TestPass123!';
+
+  test.beforeAll(async ({ page }) => {
+    // Register a new user first
+    await page.goto('/register');
+    await page.fill('input[placeholder="Full name"]', 'John Doe');
+    await page.fill('input[placeholder="name@example.com"]', email);
+    await page.fill('input[placeholder="Password"]', password);
+    await page.click('button:has-text("Sign up")');
+    await expect(page).toHaveURL('/')
+  });
+
+  test('update profile information', async ({ page }) => {
+    // Open settings profile page
+    await page.goto('/settings/profile');
+    await page.fill('input[name="first_name"]', 'Jane');
+    await page.fill('input[name="last_name"]', 'Smith');
+    await page.fill('input[name="email"]', `jane.${Date.now()}@example.com`);
+    await page.click('button:has-text("Save Changes")');
+    await expect(page.locator('p')).toContainText('Jane Smith');
+  });
+
+  test('delete account (soft‑delete)', async ({ page }) => {
+    await page.goto('/settings/account');
+    await page.click('button:has-text("Delete Account")');
+    // Confirm modal (Playwright handles native confirm)
+    page.on('dialog', dialog => dialog.accept());
+    await expect(page).toHaveURL('/login');
+    // Verify login fails after deletion
+    await page.fill('input[placeholder="name@example.com"]', email);
+    await page.fill('input[placeholder="Password"]', password);
+    await page.click('button:has-text("Sign in")');
+    await expect(page.locator('div[role="alert"]')).toContainText('Invalid email or password');
+  });
+});