Deterministic Snell's-law lateral beam-shift Δx = 2·t·sin(θ)/sqrt(n² - sin²(θ)) per glass/cavity layer + thin-film Ag-stack spectral reflection tint detector engine (.jpg, .heic, .dng, .pdf) built for Guardian ClimaGuard, Pilkington K-Glass, Rehau / Veka, Bohle — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…