Deterministic Chief-ray angle (CRA) RGB ratio polynomial surface fit I_R/I_G(x,y), I_B/I_G(x,y) + tangential-vs-sagittal corner MTF smear ratio engine (.dng, .arw, .nef, .raf) built for Leica M-System, Voigtlander, Zeiss ZM, Capture One LCC — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…