Fix #60

Author: cmutel

src/py_semantic_taxonomy/adapters/routers/response_dto.py

@@ -254,3 +254,5 @@ class Association(BaseModel):
         description="https://rdf-vocabulary.ddialliance.org/xkos.html#correspondences",
         example=[{"@id": "http://data.europa.eu/xsp/cn2024/010011000090"}],
     )
+
+    model_config = ConfigDict(extra="allow")

tests/unit/domain/test_association_entities.py

@@ -108,5 +108,9 @@ def test_association_from_json_ld(cn):
 
 
 def test_association_to_json_ld(cn):
+    cn.association_top["foo"] = "bar"
+
+    assert Association.from_json_ld(cn.association_top).extra["foo"] == "bar"
     given = Association.from_json_ld(cn.association_top).to_json_ld()
+    assert given["foo"] == "bar"
     assert given == cn.association_top, "Conversion to JSON-LD failed"