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98aa2b0ec7
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feat(attestation): add SAT-SPEC-0002 protobuf definitions
Add protobuf message definitions for the four-layer attestation
architecture defined in SAT-SPEC-0002. Package: substrate.attestation.v2
Files:
- common.proto: QmReceipt (hash-chained Ed25519-signed receipts)
- platform.proto: PlatformClaim, TpmQuoteBinding (L1 hardware identity)
- software.proto: SoftwareClaim, BuildProvenance (L2 image provenance)
- governance.proto: GovernanceClaim, AccordReference, DelegationReference (L3)
- session.proto: SessionClaim, ActorContext, PostureEvidence, PostureLevel (L4)
- sat.proto: SatBundle (composite, optional claim fields for has_*() codegen)
Also adds buf.yaml for lint/breaking-change checks.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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2026-02-28 09:12:59 -05:00 |
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