Deterministic Chord-in-annulus tenon clearance R_min = (L_pin^2 + 4*c*w)/(8*c) + clothoid entry transition & Archimedean coil packing engine (.dxf, .svg, .step) built for Rehau Rauvolet, Hafele Tambour, Ostermann, Rockler — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…