Deterministic Shallow doubly-curved orthotropic shell buckling/deflection under twin bridge-foot point load + f-hole perimeter acoustic inertance engine (.dxf, .svg, .pdf, .json) built for Benedetto Guitars, Gibson L-5, Collings Mandolins, D'Angelico — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…