Stage 0. Zero-dependency serve.py (static + allowlisted horizons/sbdb/cad proxy,
sha256 disk cache with past-span immutability). Three.js via pinned importmap,
logarithmic depth, procedural starfield sky (+ Milky Way panorama swap-in), Sun
with additive glow, OrbitControls, brass-and-void HUD, scrubbable time bar,
central bodyWorld position pass, focus/camera system, hash state. Boots clean,
no console errors.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Full execution spec for Opus 4.8: Three.js compressed-scale explorer on
GODSIGH's architecture DNA. Authoritative JPL Standish element tables,
Horizons ground-truth verification gates, 7 stages GENESIS→RESONANCE.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
