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git.stella-ops.org/docs/modules/mirror/prep-56-001-thin-bundle.md
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Add new features and tests for AirGap and Time modules 
- Introduced `SbomService` tasks documentation.
- Updated `StellaOps.sln` to include new projects: `StellaOps.AirGap.Time` and `StellaOps.AirGap.Importer`.
- Added unit tests for `BundleImportPlanner`, `DsseVerifier`, `ImportValidator`, and other components in the `StellaOps.AirGap.Importer.Tests` namespace.
- Implemented `InMemoryBundleRepositories` for testing bundle catalog and item repositories.
- Created `MerkleRootCalculator`, `RootRotationPolicy`, and `TufMetadataValidator` tests.
- Developed `StalenessCalculator` and `TimeAnchorLoader` tests in the `StellaOps.AirGap.Time.Tests` namespace.
- Added `fetch-sbomservice-deps.sh` script for offline dependency fetching.
2025-11-20 23:29:54 +02:00

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Mirror Thin Bundle Prep — PREP-MIRROR-CRT-56-001 (Draft)

Status: Draft (2025-11-20) Owners: Mirror Guild (Assembler) Scope: Capture requirements to start thin bundle v1 when upstream Sprint 110.D artefacts land.

Dependencies

  • Sprint 110.D assembler foundation (missing in repo).
  • Trust root list and TUF metadata locations from release pipeline.

Proposed thin bundle v1 shape

  • Container: tar.gz deterministic; root manifest mirror.thin.manifest.json.
  • Fields: bundle_id, schema_version=mirror.thin.v1, created_at, source_registry, artifacts[] {digest, media_type, size}, trust_roots[], optional attestations[].
  • Merkle root over files for audit.

Open decisions

  • Exact artifact set included in “thin” scope (SBOM only vs SBOM+metadata).
  • Required signatures (DSSE/Sigstore) and signer identities.
  • Retention/GC policy for thin bundles.

Handoff

Use this as the PREP artefact for PREP-MIRROR-CRT-56-001; update when assembler foundation drops so schema can be finalized and aligned with docs/modules/mirror/thin-bundle-assembler.md.