Deterministic Four-bar parallelogram spring-cam torque curve M_spring(theta) vs payload moment (m_mic + m_mount + 0.5*m_cable)*L*cos(theta) engine (.json, .pdf, .svg) built for Yellowtec m!ka, Rode, Elgato, Shure — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…