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/@dabh/diagnostics/modifiers/namespace-ansi.js

@@ -0,0 +1,20 @@
+var colorspace = require('@so-ric/colorspace');
+var kuler = require('kuler');
+
+/**
+ * Prefix the messages with a colored namespace.
+ *
+ * @param {Array} args The messages array that is getting written.
+ * @param {Object} options Options for diagnostics.
+ * @returns {Array} Altered messages array.
+ * @public
+ */
+module.exports = function ansiModifier(args, options) {
+  var namespace = options.namespace;
+  var ansi = options.colors !== false
+  ? kuler(namespace +':', colorspace(namespace))
+  : namespace +':';
+
+  args[0] = ansi +' '+ args[0];
+  return args;
+};

landvex/node_modules/@dabh/diagnostics/modifiers/namespace.js

@@ -0,0 +1,32 @@
+var colorspace = require('@so-ric/colorspace');
+
+/**
+ * Prefix the messages with a colored namespace.
+ *
+ * @param {Array} messages The messages array that is getting written.
+ * @param {Object} options Options for diagnostics.
+ * @returns {Array} Altered messages array.
+ * @public
+ */
+module.exports = function colorNamespace(args, options) {
+  var namespace = options.namespace;
+
+  if (options.colors === false) {
+    args[0] = namespace +': '+ args[0];
+    return args;
+  }
+
+  var color = colorspace(namespace);
+
+  //
+  // The console API supports a special %c formatter in browsers. This is used
+  // to style console messages with any CSS styling, in our case we want to
+  // use colorize the namespace for clarity. As these are formatters, and
+  // we need to inject our CSS string as second messages argument so it
+  // gets picked up correctly.
+  //
+  args[0] = '%c'+ namespace +':%c '+ args[0];
+  args.splice(1, 0, 'color:'+ color, 'color:inherit');
+
+  return args;
+};