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/node_modules/express-validator/lib/chain/context-runner-impl.d.ts

@@ -0,0 +1,18 @@
+import { Request } from '../base';
+import { Context, ReadonlyContext } from '../context';
+import { ContextBuilder } from '../context-builder';
+import { SelectFields } from '../field-selection';
+import { Result } from '../validation-result';
+import { ContextRunner, ResultWithContext } from './context-runner';
+export declare class ResultWithContextImpl extends Result implements ResultWithContext {
+    readonly context: ReadonlyContext;
+    constructor(context: ReadonlyContext);
+}
+export declare class ContextRunnerImpl implements ContextRunner {
+    private readonly builderOrContext;
+    private readonly selectFields;
+    constructor(builderOrContext: ContextBuilder | Context, selectFields?: SelectFields);
+    run(req: Request, options?: {
+        dryRun?: boolean;
+    }): Promise<ResultWithContextImpl>;
+}