Integrated Browser: Upgrade Playwright to 1.59.1

package.json

@@ -124,7 +124,7 @@
     "native-keymap": "^3.3.5",
     "node-pty": "^1.2.0-beta.12",
     "open": "^10.1.2",
-    "playwright-core": "1.59.0-alpha-2026-02-20",
+    "playwright-core": "1.59.1",
     "ssh2": "^1.16.0",
     "tas-client": "0.3.1",
     "undici": "^7.24.0",

src/vs/platform/browserView/node/playwrightTab.ts

@@ -9,10 +9,12 @@ import { Emitter, Event } from '../../../base/common/event.js';
 import { CancellationToken } from '../../../base/common/cancellation.js';
 import { createCancelablePromise, raceCancellablePromises } from '../../../base/common/async.js';
 
+type IAiAriaSnapshotOptions = NonNullable<Parameters<playwright.Locator['ariaSnapshot']>[0]> & { _track?: string };
+
 declare module 'playwright-core' {
 	interface Page {
-		// A hidden Playwright method that returns an AI-friendly snapshot of the page.
-		_snapshotForAI(options?: { track?: string }): Promise<{ full: string; incremental?: string }>;
+		// We defined this here to be able to use the unofficial `_track` option
+		ariaSnapshot(options?: IAiAriaSnapshotOptions): Promise<string>;
 	}
 }
 
@@ -165,7 +167,7 @@ export class PlaywrightTab {
 			this._needsFullSnapshot = false;
 		}
 
-		const snapshotFromPage = await this.safeRunAgainstPage((page) => page._snapshotForAI({ track: 'response' })).catch(() => {
+		const snapshotFromPage = await this.safeRunAgainstPage((page) => this.getAiSnapshot(page, full)).catch(() => {
 			this._needsFullSnapshot = true;
 			return undefined;
 		});
@@ -174,7 +176,7 @@ export class PlaywrightTab {
 		const logs = this._logs;
 		this._logs = [];
 
-		const snapshot = (full ? snapshotFromPage?.full : snapshotFromPage?.incremental ?? snapshotFromPage?.full)?.trim() ?? '';
+		const snapshot = snapshotFromPage?.trim() ?? '';
 
 		return [
 			...(title ? [`Page Title: ${title}`] : []),
@@ -189,6 +191,14 @@ export class PlaywrightTab {
 		].join('\n');
 	}
 
+	private getAiSnapshot(page: playwright.Page, full: boolean): Promise<string> {
+		const options: IAiAriaSnapshotOptions = { mode: 'ai' };
+		if (!full) {
+			options._track = 'response';
+		}
+		return page.ariaSnapshot(options);
+	}
+
 	private async runAndWaitForCompletion<T>(callback: (token: CancellationToken) => Promise<T>, token = CancellationToken.None): Promise<T> {
 		const requests: playwright.Request[] = [];