from __future__ import annotations


def test_s41_public_contract_surface_exists() -> None:
    from quant_engine.portfolio_risk_contracts import (
        ComputationReceipt,
        ConstraintSetV1,
        FreshnessPolicy,
        PortfolioDecision,
        RiskAssessment,
        assess_portfolio_risk,
        build_portfolio_decision,
    )

    assert all(
        symbol is not None
        for symbol in (
            ComputationReceipt,
            ConstraintSetV1,
            FreshnessPolicy,
            PortfolioDecision,
            RiskAssessment,
            assess_portfolio_risk,
            build_portfolio_decision,
        )
    )