refactor

backend/tests/test_subblocks.py

@@ -143,8 +143,10 @@ def test_cited_evidence_lines_and_fallback(tmp_path):
 
 def test_sink_json_writes_only_valid(tmp_path):
     p = tmp_path / "level-final-c1.json"
+    from pipeline import _enum_map_schema
+    levels = _enum_map_schema("levels", ("beginner", "advanced", "expert"))
     ok = blx._sink_json((0, 'Vorab {"levels": {"1": "beginner"}} nach', ""), p,
-                        lambda d: blx._levels_schema(d, {1}))
+                        lambda d: levels(d, {1}))
     assert ok == {1: "beginner"}
     assert json.loads(p.read_text(encoding="utf-8"))["levels"]["1"] == "beginner"
     bad = blx._sink_json((0, "kein json", ""), tmp_path / "x.json", lambda d: d)