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/date-fns/esm/differenceInSeconds/index.d.ts

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+// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.
+
+import { differenceInSeconds } from 'date-fns'
+export default differenceInSeconds

landvex/node_modules/date-fns/esm/differenceInSeconds/index.js

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+import differenceInMilliseconds from "../differenceInMilliseconds/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+/**
+ * @name differenceInSeconds
+ * @category Second Helpers
+ * @summary Get the number of seconds between the given dates.
+ *
+ * @description
+ * Get the number of seconds between the given dates.
+ *
+ * ### v2.0.0 breaking changes:
+ *
+ * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
+ *
+ * @param {Date|Number} dateLeft - the later date
+ * @param {Date|Number} dateRight - the earlier date
+ * @returns {Number} the number of seconds
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // How many seconds are between
+ * // 2 July 2014 12:30:07.999 and 2 July 2014 12:30:20.000?
+ * var result = differenceInSeconds(
+ *   new Date(2014, 6, 2, 12, 30, 20, 0),
+ *   new Date(2014, 6, 2, 12, 30, 7, 999)
+ * )
+ * //=> 12
+ */
+
+export default function differenceInSeconds(dirtyDateLeft, dirtyDateRight) {
+  requiredArgs(2, arguments);
+  var diff = differenceInMilliseconds(dirtyDateLeft, dirtyDateRight) / 1000;
+  return diff > 0 ? Math.floor(diff) : Math.ceil(diff);
+}

landvex/node_modules/date-fns/esm/differenceInSeconds/index.js.flow

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+// @flow
+// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.
+
+export type Interval = {
+  start: Date | number,
+  end: Date | number,
+}
+
+export type Locale = {
+  code?: string,
+  formatDistance?: (...args: Array<any>) => any,
+  formatRelative?: (...args: Array<any>) => any,
+  localize?: {
+    ordinalNumber: (...args: Array<any>) => any,
+    era: (...args: Array<any>) => any,
+    quarter: (...args: Array<any>) => any,
+    month: (...args: Array<any>) => any,
+    day: (...args: Array<any>) => any,
+    dayPeriod: (...args: Array<any>) => any,
+  },
+  formatLong?: {
+    date: (...args: Array<any>) => any,
+    time: (...args: Array<any>) => any,
+    dateTime: (...args: Array<any>) => any,
+  },
+  match?: {
+    ordinalNumber: (...args: Array<any>) => any,
+    era: (...args: Array<any>) => any,
+    quarter: (...args: Array<any>) => any,
+    month: (...args: Array<any>) => any,
+    day: (...args: Array<any>) => any,
+    dayPeriod: (...args: Array<any>) => any,
+  },
+  options?: {
+    weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
+    firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7,
+  },
+}
+
+export type Duration = {
+  years?: number,
+  months?: number,
+  weeks?: number,
+  days?: number,
+  hours?: number,
+  minutes?: number,
+  seconds?: number,
+}
+
+export type Day = 0 | 1 | 2 | 3 | 4 | 5 | 6
+
+declare module.exports: (
+  dateLeft: Date | number,
+  dateRight: Date | number
+) => number

landvex/node_modules/date-fns/esm/differenceInSeconds/package.json

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+{
+  "sideEffects": false,
+  "typings": "../../typings.d.ts"
+}