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/triple-beam/.nyc_output/processinfo/c579bf8f-6820-47a5-b2da-a11267eb8435.json

@@ -0,0 +1 @@
+{"parent":null,"pid":28538,"argv":["/Users/dabh/.nvm/versions/node/v16.18.0/bin/node","/Users/dabh/triple-beam/node_modules/.bin/mocha","test.js"],"execArgv":[],"cwd":"/Users/dabh/triple-beam","time":1689003099183,"ppid":28537,"coverageFilename":"/Users/dabh/triple-beam/.nyc_output/c579bf8f-6820-47a5-b2da-a11267eb8435.json","externalId":"","uuid":"c579bf8f-6820-47a5-b2da-a11267eb8435","files":["/Users/dabh/triple-beam/index.js","/Users/dabh/triple-beam/config/index.js","/Users/dabh/triple-beam/config/cli.js","/Users/dabh/triple-beam/config/npm.js","/Users/dabh/triple-beam/config/syslog.js"]}

landvex/node_modules/triple-beam/.nyc_output/processinfo/index.json

@@ -0,0 +1 @@
+{"processes":{"c579bf8f-6820-47a5-b2da-a11267eb8435":{"parent":null,"children":[]}},"files":{"/Users/dabh/triple-beam/index.js":["c579bf8f-6820-47a5-b2da-a11267eb8435"],"/Users/dabh/triple-beam/config/index.js":["c579bf8f-6820-47a5-b2da-a11267eb8435"],"/Users/dabh/triple-beam/config/cli.js":["c579bf8f-6820-47a5-b2da-a11267eb8435"],"/Users/dabh/triple-beam/config/npm.js":["c579bf8f-6820-47a5-b2da-a11267eb8435"],"/Users/dabh/triple-beam/config/syslog.js":["c579bf8f-6820-47a5-b2da-a11267eb8435"]},"externalIds":{}}