feat: align source data and nightly exports

tests/apps/organizations/test_api_v2_source_extensions.py

@@ -170,6 +170,59 @@ class OrganizationSourceExtensionsApiV2Test(APITestCase):
         self.assertEqual(record["source_group"], "planned_inspections")
         self.assertEqual(record["organization"]["uid"], str(target.uid))
 
+    def test_flat_arbitration_records_expose_frontend_role_labels(self):
+        organization = create_frontend_organization(
+            name='ООО "Arbitration Roles"',
+            inn="7707083899",
+            ogrn="1027700132099",
+        )
+        extension = ArbitrationExtension.objects.create(
+            organization=organization,
+            title="Арбитраж",
+        )
+        expected_roles = {
+            "ROLE-PLAINTIFF": "Истец",
+            "ROLE-DEFENDANT": "Ответчик",
+            "ROLE-THIRD-PARTY": "Третье лицо",
+        }
+        for external_id, provider_role in (
+            ("ROLE-PLAINTIFF", "plaintiff"),
+            ("ROLE-DEFENDANT", "defendant"),
+            ("ROLE-THIRD-PARTY", "third_party"),
+        ):
+            OrganizationSourceRecord.objects.create(
+                extension=extension,
+                record_type="arbitration_case",
+                source="arbitration",
+                external_id=external_id,
+                payload={"target": {"role": provider_role}},
+            )
+
+        response = self.client.get(
+            reverse("api_v2:organizations:organization-source-records-list"),
+            {
+                "source_group": "arbitration",
+                "source": "arbitration",
+                "organization": str(organization.uid),
+            },
+        )
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        records_by_external_id = {
+            item["external_id"]: item for item in response.data["data"]
+        }
+        self.assertEqual(
+            {
+                external_id: records_by_external_id[external_id]["payload"]["role"]
+                for external_id in expected_roles
+            },
+            expected_roles,
+        )
+        self.assertNotIn(
+            "role",
+            OrganizationSourceRecord.objects.get(external_id="ROLE-PLAINTIFF").payload,
+        )
+
     def test_flat_source_records_filters_supported_groups_by_canonical_date(self):
         organization = create_frontend_organization(
             name='ООО "Canonical dates"',