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Implements comprehensive SLSA (Supply chain Levels for Software Artifacts) provenance generation to provide cryptographic verification of build integrity and origin.

Changes:

  • Add comprehensive SLSA documentation (.github/SLSA.md)

    • Explains what SLSA is and why it matters
    • Provides verification instructions for users
    • Documents troubleshooting steps
    • Lists security benefits and limitations
  • Update auto-release.yml workflow

    • Add id-token and attestations write permissions
    • Generate build attestation using actions/attest-build-provenance@v2
    • Add --provenance flag to NPM publish commands
    • Add --provenance flag to GitHub Packages publish
  • Update release.yml workflow

    • Add SLSA permissions to test and publish jobs
    • Generate build attestation after build step
    • Add --provenance flag to NPM publish commands
    • Add --provenance flag to GitHub Packages publish
  • Update CLAUDE.md documentation

Benefits:
✅ SLSA Build Level 3 certification
✅ Cryptographically signed build provenance
✅ Verifiable proof of build origin
✅ Protection against supply chain attacks
✅ NPM registry verification support
✅ GitHub attestations for all releases

Users can now verify packages with: npm audit signatures

Implements comprehensive SLSA (Supply chain Levels for Software Artifacts) provenance generation to provide cryptographic verification of build integrity and origin.

Changes:
- Add comprehensive SLSA documentation (.github/SLSA.md)
  - Explains what SLSA is and why it matters
  - Provides verification instructions for users
  - Documents troubleshooting steps
  - Lists security benefits and limitations

- Update auto-release.yml workflow
  - Add id-token and attestations write permissions
  - Generate build attestation using actions/attest-build-provenance@v2
  - Add --provenance flag to NPM publish commands
  - Add --provenance flag to GitHub Packages publish

- Update release.yml workflow
  - Add SLSA permissions to test and publish jobs
  - Generate build attestation after build step
  - Add --provenance flag to NPM publish commands
  - Add --provenance flag to GitHub Packages publish

- Update CLAUDE.md documentation
  - Add PR #7 section documenting SLSA implementation
  - Update summary statistics
  - Mark SLSA as completed in recommendations

Benefits:
✅ SLSA Build Level 3 certification
✅ Cryptographically signed build provenance
✅ Verifiable proof of build origin
✅ Protection against supply chain attacks
✅ NPM registry verification support
✅ GitHub attestations for all releases

Users can now verify packages with: npm audit signatures

Closes #[issue-number-if-any]
@ibrahimcesar ibrahimcesar self-assigned this Nov 15, 2025
@ibrahimcesar ibrahimcesar added documentation Improvements or additions to documentation enhancement New feature or request labels Nov 15, 2025
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size-limit report 📦

Path Size
ES Module 2.88 KB (0%)
CommonJS 2.84 KB (0%)
CSS 1.05 KB (0%)

@ibrahimcesar ibrahimcesar merged commit e73f58a into main Nov 15, 2025
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3 participants