Deterministic ITU-T G.652/G.657 wavelength attenuation (1310/1550nm) + splice/connector budget + Optical Return Loss (ORL) Fresnel air-gap mismatch engine (.txt, .json, .csv) built for FS.com, Finisar (Coherent), Cisco, MikroTik — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…