Deterministic Topologically-aware Ramer-Douglas-Peucker geodesic simplifier + degenerate zero-length segment & NaN-elevation stripper + strict Garmin Course FIT compiler engine (.gpx, .fit, .tcx) built for Garmin Fenix, Wahoo, Coros, AllTrails — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…