Support Kitty graphics protocol

addons/addon-kitty-graphics/test/KittyGraphicsAddon.test.ts

@@ -0,0 +1,41 @@
+/**
+ * Copyright (c) 2025 The xterm.js authors. All rights reserved.
+ * @license MIT
+ *
+ * Playwright integration tests for Kitty Graphics Addon.
+ * These test the addon in a real browser with visual verification.
+ *
+ * Unit tests for parsing are in src/KittyGraphicsAddon.test.ts
+ */
+
+import test from '@playwright/test';
+import { deepStrictEqual, strictEqual } from 'assert';
+import { ITestContext, createTestContext, openTerminal } from '../../../test/playwright/TestUtils';
+
+let ctx: ITestContext;
+
+test.beforeAll(async ({ browser }) => {
+  ctx = await createTestContext(browser);
+});
+
+test.afterAll(async () => {
+  await ctx.page.close();
+});
+
+test.describe('KittyGraphicsAddon', () => {
+  test.beforeEach(async () => {
+    await openTerminal(ctx, { cols: 80, rows: 24 });
+    await ctx.page.evaluate(`
+      window.term.reset();
+    `);
+  });
+
+  test('addon should be loaded and activated', async () => {
+    // Verify the addon is available on the window
+    const hasAddon = await ctx.page.evaluate(`typeof window.KittyGraphicsAddon !== 'undefined'`);
+    strictEqual(hasAddon, true, 'KittyGraphicsAddon should be available');
+  });
+
+  // TODO: WAYYYYYY More tests that would initially fail, but work when addon work is complete. Like implementation of the handler.
+
+});