spec(frost/roast): normative coordinator-seed derivation (RFC-21 Annex A) + cross-language conformance vectors#4030

mswilkison merged 3 commits into

feat/frost-schnorr-migration-scaffoldthreshold-network/keep-core:feat/frost-schnorr-migration-scaffoldfrom

unify/roast-coordinator-seed-go-2026-06-11threshold-network/keep-core:unify/roast-coordinator-seed-go-2026-06-11Copy head branch name to clipboard