Chiusura fase di ristrutturazione e modularizzazione del workflow per favorire sviluppo modulare

harness/tests/test_evidence_port_contract.py

@@ -154,7 +154,7 @@ def test_datetimes_must_be_aware_and_are_normalized_to_utc():
             source_id="source:a",
             uri="https://host/a",
             fingerprint="etag:abc",
-            modified_at=datetime(2026, 7, 12),
+            modified_at=datetime(2026, 7, 12),  # noqa: DTZ001 - verifies rejection
         )
 
     source = SourceObject(
@@ -236,4 +236,8 @@ def test_model_copy_revalidates_source_and_acquired_records():
     with pytest.raises(ValidationError, match="namespaced"):
         source.model_copy(update={"source_id": "invalid"})
     with pytest.raises(ValidationError, match="timezone-aware"):
-        acquired.model_copy(update={"acquired_at": datetime(2026, 7, 12)})
+        acquired.model_copy(
+            update={
+                "acquired_at": datetime(2026, 7, 12)  # noqa: DTZ001 - verifies rejection
+            }
+        )