- Build full Three.js scene with scene/camera/renderer/OrbitControls
- Add center platform (cylinder) with edge glow ring and pulsing disc
- Create 12 Elder Futhark rune billboards arranged in an orbiting ring
- Runes float vertically (per-rune phase offset) and slowly orbit platform
- Alternating cyan/magenta glow colors via canvas texture
- Faint orbit indicator torus at rune height
- Starfield background (2500 points)
- Pulsing point lights for living atmosphere
- Import map in index.html wires Three.js 0.183 from CDN
- Retain WebSocket client integration and audio toggle
Fixes#110
