Deterministic Specular BRDF lobe cone ray-tracing vs observer eye-height envelope (1.50–1.85 m) + frame-rabbet cast-shadow trigonometry engine (.jpg, .heic, .png, .pdf) built for ERCO Museum Lighting, iGuzzini, Tru Vue Optium, Lutron — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…