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 3f187aaf63b7a8fbd96d32a9baaea65e76aebc0e37e8e3c0efe1c208acc8b2ef