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

The validation package is intentionally outside the production package.  Its
interchange format contains NumPy arrays and JSON metadata only, so extraction
can happen in separate legacy and rewrite environments.
"""

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",
]