Deterministic F-hole notch & soundboard tangent leveling + bridge rear-plane straightness & camber sagitta + 4-string circular arc fit engine (.jpg, .heic, .png) built for Aubert Mirecourt, Despiau Chevalets, Pirastro, Thomastik-Infeld — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…