feat: address QA feedback and limit Checko collection

tests/apps/exchange/test_state_corp_services.py

@@ -201,6 +201,18 @@ class StateCorpExchangeServiceTest(TestCase):
                 "Окончание подачи заявок": "20.02.2026",
             },
         )
+        GenericParserRecord.objects.create(
+            source=ParserLoadLog.Source.CONTRACTS,
+            load_batch=1,
+            external_id="contract-not-a-procurement",
+            inn=organization.inn,
+            ogrn=organization.ogrn,
+            title="Исполненный контракт",
+            record_date="16.02.2026",
+            amount="1000000.00",
+            status="completed",
+            payload={"registry_number": "contract-not-a-procurement"},
+        )
         GenericParserRecord.objects.create(
             source=ParserLoadLog.Source.ARBITRATION,
             load_batch=1,
@@ -294,6 +306,10 @@ class StateCorpExchangeServiceTest(TestCase):
         self.assertEqual(package.payload_counts["labor_vacancies"], 1)
 
         payload = _decode_package_payload(package)
+        self.assertNotIn(
+            "contract-not-a-procurement",
+            {row["purchase_number"] for row in payload["data"]["public_procurements"]},
+        )
 
         self.assertEqual(payload["format"], StateCorpExchangeService.PAYLOAD_FORMAT)
         self.assertEqual(payload["schema_version"], 3)