from __future__ import annotations

from pathlib import Path

import pytest


@pytest.fixture(autouse=True)
def isolated_runtime_state(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
    """Keep repository locks and close evidence out of operator-owned state."""
    monkeypatch.setenv("REIN_AHARNESS_STATE_DIR", str(tmp_path / "runtime-state"))
    monkeypatch.setenv("AGENT_HARNESS_LEGACY_APPROACHES_UNTIL", "2099-12-31")