[no description] https://code.northwest.io/axon.git/atom?h=main 2026-03-09T05:07:14+00:00 2026-03-09T05:07:14+00:00 bndw ben@bdw.to 2026-03-09T05:07:14+00:00 urn:sha1:3ff2bc0530bb98da139a5f68202c8e119f9d4775 Adds the foundational Go package implementing the full Axon protocol signing and crypto spec per PROTOCOL.md: - Event/Tag structs and all kind constants (KindProfile through KindJobFeedback) - Byte-exact canonical_payload construction per the PROTOCOL.md layout table - Tag sorting and canonical_tags SHA256 hash (duplicate detection included) - Ed25519 sign/verify, challenge sign/verify - X25519 key conversion from Ed25519 keypair (RFC 8032 §5.1.5 clamping + birational Edwards→Montgomery map for pubkeys) - ChaCha20-Poly1305 encrypt/decrypt for DMs (nonce prepended) - MessagePack encode/decode for events and wire messages Test vectors written first in testdata/vectors.json covering canonical_tags, canonical_payload, event_id, and signature verification — all deterministic known-input → known-output pairs for cross-language validation in Phase 4. 13 tests, all passing.