Deterministic String axial elastic stretch delta_L = L * (4*L^2*mu*(f_2^2 - f_1^2))/(E*A) mapped across changer-finger & bell-crank lever ratios engine (.pdf, .csv, .json) built for Mullen Guitars, Carter Steel, Emmons, Ernie Ball — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…