Heirloom Longcase Pendulum-Clock Thermal Expansion, Barometric & Rating-Nut Solver

Deterministic Small-angle + Huygens circular-error pendulum period T = 2*pi*sqrt(L/g)*(1 + theta^2/16) + linear thermal drift (-0.5*alpha*dT*86400 s/d) + thread-pitch nut turn delta engine (.json, .pdf, .svg) built for Erwin Sattler, Kieninger, Hermle, Howard Miller — zero-upload ephemeral Wasm RAM execution.