v5.17.0

✨ Features

• feat(sdk,cli,mcp): t2 verify — trustless confidential-receipt verifier (Phase D)
• feat(contracts): anchor emits on-chain anchored_at_ms (trustless timestamp)
• feat(contracts): confidential_anchor — Sui anchor for confidential receipts

Full Changelog: v5.16.0...v5.17.0