Add deterministic analysis input identities

internal/artifacts/artifact_resolver.go

@@ -107,6 +107,9 @@ type ResolvedSessionArtifact struct {
 	OutputKind    string
 	ProducerRunID string
 	Provenance    string
+	Contract      *artifactmodel.ContractMetadata
+	Checksum      string
+	Size          int64
 }
 
 // SessionArtifactNotFoundError includes context when a known artifact cannot be read.
@@ -259,6 +262,9 @@ func ResolveSessionArtifactWithCatalog(paths SessionPaths, m *manifest.Manifest,
 		OutputKind:    entry.OutputKind,
 		ProducerRunID: entry.ProducerRunID,
 		Provenance:    entry.Provenance,
+		Contract:      cloneArtifactContract(entry.Contract),
+		Checksum:      entry.Checksum,
+		Size:          entry.Size,
 	}, nil
 }