Spinnaker & Whisker-Pole Axial Compression, Guy Triangulation & Euler Buckling Solver

Deterministic 3D spherical space-truss vector resolution ( pole + topping lift + foreguy + afterguy ) vs pin-ended Euler critical load pi^2*E*I / L^2 engine (.json, .pdf, .svg) built for Forespar, Selden Mast, Hall Spars, Z-Spars — zero-upload ephemeral Wasm RAM execution.

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