Release 3.1 (2026-10-17): fold composition (network v6, operations learned from the specialists' exams), the specialist after a check, 3.1 correctness rules; sealed test 22 passed; new release hashes anchored on Solana
Head oracle_release_runtime_w548. Changed parts: the admitted fold chain, specialists/_gate (network_v6.py, specfold_ops_v1.json, specfold_learn.py) and the Workbench (habitable-zone worked example). Sealed test 22 run once per variant. Anchor: https://explorer.solana.com/tx/4kW4S5V4kHsFKGcxWBn37jPD73nGP17aF8eF9yPv8dEkwzTbWksvYaej2VkiUPMQ9PVdN92mmve4tAqgsr6RZ7s3
