Changelog

v0.6.0 (2026-02-09)

Anchor-hash weaving (anti-pre-computation)

• Global anchor hash woven into each beat’s VDF seed
• Beat type gains anchor_hash field
• computeBeat() and computeBeatsLite() accept anchorHash parameter
• Old SDK clients without anchor hash are rejected when anchors exist

v0.5.0 (2026-02-08)

New agent API paths

• Agent endpoints moved from /api/v1/beat/* to /api/v1/agent/*
• Old /beat/* paths are deprecation proxies (sunset 2026-06-01)
• register() function added to SDK
• RegistrationResult and WalletInfo types exported

v0.4.0 (2026-02-07)

Spot check enforcement

• Minimum 5 spot checks required
• to_beat must always be included in spot checks
• createCheckinProof() passes anchor_hash through

v0.3.0 (2026-02-06)

Security hardening

• Rate limiting on all endpoints
• HMAC signature length increased to 128-bit
• Input validation on all body-parsed routes

v0.2.0 (2026-02-05)

Beat chain and registration

• BeatAgent class with full lifecycle
• Root and child registration with Solana SPL Memo birth records

v0.1.0 (2026-02-04)

Initial release

• VDF engine (computeBeat, computeBeatsLite)
• Basic agent lifecycle