Deterministic Broad-crested rectangular parapet weir Q = 1.705 * B * H_w^(3/2) coupled with structural beam ponding amplification factor 1 / (1 - C_p) engine (.pdf, .dxf, .svg, .json) built for Sita, Geberit Pluvia, ACO, Bauder — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…