feat: Passwordless cross-device authentication

- Arkitektur: docs/auth/passwordless-architecture.md
- Backend: iom/quixzoom-auth-service/ (FastAPI + Redis)
- Webb: quixzoom-market-pages/se/login/ (QR-kod + polling)
- App: iom/quixzoom-app/src/features/auth/ (push + deep links)

Flöde: QR-kod → app-godkännande → webb-inloggad

landvex-admin-v2/node_modules/@puppeteer/browsers/lib/DefaultProvider.d.ts

@@ -0,0 +1,26 @@
+/**
+ * @license
+ * Copyright 2026 Google Inc.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+import type { Browser, BrowserPlatform } from './browser-data/browser-data.js';
+import type { BrowserProvider, DownloadOptions } from './provider.js';
+/**
+ * Default provider implementation that uses default sources.
+ * This is the standard provider used by Puppeteer.
+ *
+ * @public
+ */
+export declare class DefaultProvider implements BrowserProvider {
+    #private;
+    constructor(baseUrl?: string);
+    supports(_options: DownloadOptions): boolean;
+    getDownloadUrl(options: DownloadOptions): URL;
+    getExecutablePath(options: {
+        browser: Browser;
+        buildId: string;
+        platform: BrowserPlatform;
+    }): string;
+    getName(): string;
+}
+//# sourceMappingURL=DefaultProvider.d.ts.map