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-master-api/node_modules/pg-protocol/dist/parser.d.ts

@@ -0,0 +1,22 @@
+import { TransformOptions } from 'stream';
+import { Mode, BackendMessage } from './messages';
+export type Packet = {
+    code: number;
+    packet: Buffer;
+};
+type StreamOptions = TransformOptions & {
+    mode: Mode;
+};
+export type MessageCallback = (msg: BackendMessage) => void;
+export declare class Parser {
+    private buffer;
+    private bufferLength;
+    private bufferOffset;
+    private reader;
+    private mode;
+    constructor(opts?: StreamOptions);
+    parse(buffer: Buffer, callback: MessageCallback): void;
+    private mergeBuffer;
+    private handlePacket;
+}
+export {};