Specialty Grinder Burr-RPM Tip-Speed, Bean-Heating Grind Drift & Retention Solver

Deterministic Brittle-to-ductile roasted cellulose fracture energy vs bean temperature (-18C frozen vs +40C warm burr) + peripheral burr tip velocity v = pi*D*RPM/60 engine (.json, .pdf, .csv) built for Weber Workshops, Option-O Lagom, Mazzer, Mahlkonig — zero-upload ephemeral Wasm RAM execution.