"""Staged end-to-end validation utilities.

The validation package is intentionally outside the production package. Its
interchange format contains NumPy arrays and JSON metadata only, so extraction
and comparison remain independent of model implementation details.
"""

from .artifacts import ValidationArtifact, load_artifact, save_artifact
from .compare import compare_artifacts, write_reports

__all__ = [
    "ValidationArtifact",
    "compare_artifacts",
    "load_artifact",
    "save_artifact",
    "write_reports",
]