Function materialize_source_package 

pub fn materialize_source_package(
    input: &SourcePackageMaterializationRequest,
) -> Result<MaterializedSourcePackage, SourcePackageError>

Materialize a package-owned Lean source payload into a digest-keyed cache.

Errors

Returns SourcePackageError when the request is invalid, the payload is violates the requested Lake manifest policy, a filesystem operation fails, or the provenance sidecar cannot be decoded.