EXTRACTED METHOD: e8_shadow_overlay — E8 Intelligence Research

rule: Project 240 E8 root vectors onto 2D Coxeter plane (order 30), then overlay on monument plan (Stonehenge, Great Pyramid base, Parthenon stylobate) and compute mean squared error between projected points and monument feature coordinates. source: rlab #109 Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com