Documents that CycloneDX SBOM generation is fully implemented
in the Argo Workflows (declarative-config). The workflows:
- Generate pdftract-vX.Y.Z.cdx.json using cargo-cyclonedx
- Validate schema with cyclonedx-cli validate
- Attest to Docker images via cosign attest --type cyclonedx
- Attach to GitHub Release as an asset
- Include in SHA256SUMS aggregate
Acceptance criteria: 5 PASS, 1 WARN (grype test requires release)
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>