from data_query_agent.config import Settings


def test_project_env_overrides_stale_shell_value(tmp_path, monkeypatch) -> None:
    monkeypatch.setenv("OPENROUTER_API_KEY", "stale-shell-key")
    (tmp_path / ".env").write_text(
        "OPENROUTER_API_KEY=project-key\nCODEX_MODEL=google/gemini-3-flash-preview\n",
        encoding="utf-8",
    )

    settings = Settings.load(tmp_path)

    assert settings.openrouter_api_key == "project-key"
    assert settings.codex_model == "google/gemini-3-flash-preview"