Scope as first class root charactaristic

tests/test_storage_migrations.py

@@ -42,6 +42,7 @@ def test_initialize_is_idempotent_and_applies_expected_columns(tmp_path):
     } <= evidence_columns
     assert "content_chunks" in tables
     assert "expectation_gaps" in tables
+    assert "repository_scopes" in tables
 
 
 def test_approved_registry_schema_allows_future_nullable_vocabulary_ref(tmp_path):
@@ -152,6 +153,7 @@ def test_delete_repository_cascades_registry_and_review_rows(tmp_path):
     with service.store.connect() as connection:
         for table in (
             "approved_abilities",
+            "repository_scopes",
             "approved_capabilities",
             "approved_features",
             "approved_evidence",