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-site/admin/life-product.html

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 </style>
 </head>
 <body>
@@ -113,7 +113,7 @@ body { font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif; back
 
 <div class="components" id="components">
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-<h3>🔬 Reality Intelligence</h3>
+<h3> Reality Intelligence</h3>
 <p>Analyzes the physical world, not just text and documents</p>
 <ul class="component-items">
 <li>Geospatial data fusion</li>
@@ -124,7 +124,7 @@ body { font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif; back
 </div>
 
 <div class="component">
-<h3>📋 Evidence Before Opinion</h3>
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@@ -135,7 +135,7 @@ body { font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif; back
 </div>
 
 <div class="component">
-<h3>🌐 Multi-source Fusion</h3>
+<h3> Multi-source Fusion</h3>
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@@ -146,7 +146,7 @@ body { font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif; back
 </div>
 
 <div class="component">
-<h3>🔍 Explainability</h3>
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@@ -157,7 +157,7 @@ body { font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif; back
 </div>
 
 <div class="component">
-<h3>📦 Open Standards (RIS)</h3>
+<h3> Open Standards (RIS)</h3>
 <p>Six open standards for Reality Intelligence</p>
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 <li>RIS-001: Reality Object Standard</li>
@@ -170,7 +170,7 @@ body { font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif; back
 </div>
 
 <div class="component">
-<h3>🚀 Reference Implementation</h3>
+<h3><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M8 2L10 8L14 9L8 14L6 8L2 7L8 2Z" fill="#666"/></svg> Reference Implementation</h3>
 <p>Open source implementation of RIS</p>
 <ul class="component-items">
 <li>LIFE Server (Python/FastAPI)</li>