User-requested 25 October 2026 frozen research update: 220 comparison endpoints, separate magnet tracks, exact-CIF magnetic results, failed confirmations, ten newly closed designs, two finite mode diagnostics and four separately pending Orb endpoints. Orb/Ouro screening; no synthesis or hard-magnet guarantee. SHA256 316ef04ce8058f511b89efd19cbeff5217e51df098533871609d1d11a2674511