style(s41): ruff format preflight test files

tests/test_preflight.py

@@ -72,9 +72,7 @@ def test_wrong_host_surface_refused(
     assert "openai.azure.com" in capsys.readouterr().err
 
 
-def test_bare_host_endpoint_accepted(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
+def test_bare_host_endpoint_accepted(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
     # Research §3: official samples use the bare-host form (no /api/projects/) — must be accepted.
     monkeypatch.setenv("PORTFOLIO_MODEL_MAP", str(_write_map(tmp_path, _VALID_MAP)))
     monkeypatch.setenv("PORTFOLIO_FOUNDRY_PROJECT_ENDPOINT", "https://x.services.ai.azure.com")

tests/test_preflight_loadbearing.py

@@ -61,7 +61,9 @@ def test_sc6_no_network_or_autologin_in_preflight() -> None:
                 called.append(fn.attr)
     bad_imports = sorted(set(imported) & _FORBIDDEN_IMPORTS)
     bad_calls = sorted(set(called) & _FORBIDDEN_CALLS)
-    assert bad_imports == [], f"preflight must have no network/subprocess import, found: {bad_imports}"
+    assert bad_imports == [], (
+        f"preflight must have no network/subprocess import, found: {bad_imports}"
+    )
     assert bad_calls == [], f"preflight must not acquire a credential/token, found: {bad_calls}"
 
 
@@ -77,9 +79,7 @@ def test_sc1_refusal_names_the_exact_placeholder(monkeypatch: pytest.MonkeyPatch
     assert "REPLACE-WITH-FOUNDRY-DEPLOYMENT" in result.reason
 
 
-def test_sc4_resolve_model_guard_has_teeth(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
+def test_sc4_resolve_model_guard_has_teeth(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
     """SC4 teeth: resolve_model raises on a REPLACE-WITH-* azure deployment. Detach point: remove the
     _PLACEHOLDER_PREFIX guard in resolve_model → it returns the placeholder → RED. Control: a valid
     override returns the real id, so the raise fires only on the placeholder, not always."""