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/standard-as-callback/built/index.js

@@ -0,0 +1,41 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const utils_1 = require("./utils");
+function throwLater(e) {
+    setTimeout(function () {
+        throw e;
+    }, 0);
+}
+function asCallback(promise, nodeback, options) {
+    if (typeof nodeback === "function") {
+        promise.then((val) => {
+            let ret;
+            if (options !== undefined &&
+                Object(options).spread &&
+                Array.isArray(val)) {
+                ret = utils_1.tryCatch(nodeback).apply(undefined, [null].concat(val));
+            }
+            else {
+                ret =
+                    val === undefined
+                        ? utils_1.tryCatch(nodeback)(null)
+                        : utils_1.tryCatch(nodeback)(null, val);
+            }
+            if (ret === utils_1.errorObj) {
+                throwLater(ret.e);
+            }
+        }, (cause) => {
+            if (!cause) {
+                const newReason = new Error(cause + "");
+                Object.assign(newReason, { cause });
+                cause = newReason;
+            }
+            const ret = utils_1.tryCatch(nodeback)(cause);
+            if (ret === utils_1.errorObj) {
+                throwLater(ret.e);
+            }
+        });
+    }
+    return promise;
+}
+exports.default = asCallback;