Deterministic Polygonal articulation angle friction work (mu * F_chain * r_pin * 2*pi/N_teeth) + lateral cross-chain deflection cosine & side-plate friction model engine (.json, .csv) built for CeramicSpeed, Silca Wax, Shimano Dura-Ace, SRAM Red AXS — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…