feat: обновления парсеров, тестов и миграций

- Обновлены клиенты парсеров (checko, fns, minpromtorg, proverki, zakupki)
- Добавлены новые миграции для моделей
- Расширено покрытие тестами
- Обновлены конфигурации и настройки проекта
- Добавлены утилиты для тестирования

Co-Authored-By: Warp <agent@warp.dev>

tests/apps/core/test_background_jobs.py

@@ -234,3 +234,40 @@ class BackgroundJobServiceTest(TestCase):
         self.assertIn("job-active-pending", active_task_ids)
         self.assertIn("job-active-started", active_task_ids)
         self.assertNotIn("job-active-success", active_task_ids)
+
+    def test_get_active_jobs_user_filter(self):
+        job_user = BackgroundJobService.create_job(
+            task_id="job-user-1",
+            task_name="test.task",
+            user_id=1,
+        )
+        job_other = BackgroundJobService.create_job(
+            task_id="job-user-2",
+            task_name="test.task",
+            user_id=2,
+        )
+        job_other.mark_started()
+
+        active_jobs = list(BackgroundJobService.get_active_jobs(user_id=1))
+        self.assertEqual([j.task_id for j in active_jobs], [job_user.task_id])
+
+    def test_cleanup_old_jobs(self):
+        from datetime import timedelta
+        from django.utils import timezone
+
+        old_job = BackgroundJobService.create_job(
+            task_id="job-old",
+            task_name="test.task",
+        )
+        old_job.complete()
+        old_job.completed_at = timezone.now() - timedelta(days=31)
+        old_job.save(update_fields=["completed_at"])
+
+        recent_job = BackgroundJobService.create_job(
+            task_id="job-recent",
+            task_name="test.task",
+        )
+        recent_job.complete()
+
+        deleted = BackgroundJobService.cleanup_old_jobs(days=30)
+        self.assertEqual(deleted, 1)