fix(api): align contracts with frontend md

src/apps/core/serializers.py

@@ -63,3 +63,9 @@ class BackgroundJobListSerializer(serializers.Serializer):
 
     def get_status(self, obj):
         return _get_frontend_job_status(obj.status)
+
+
+class BackgroundJobListResponseSerializer(serializers.Serializer):
+    """Frontend-friendly wrapper for jobs list."""
+
+    results = BackgroundJobListSerializer(many=True, read_only=True)

src/apps/core/views.py

@@ -13,7 +13,11 @@ import time
 from typing import Any
 
 from apps.core.openapi import CommonResponses, ErrorResponses, swagger_tag
-from apps.core.serializers import BackgroundJobListSerializer, BackgroundJobSerializer
+from apps.core.serializers import (
+    BackgroundJobListResponseSerializer,
+    BackgroundJobListSerializer,
+    BackgroundJobSerializer,
+)
 from django.conf import settings
 from django.db import connection
 from django.http import StreamingHttpResponse
@@ -369,7 +373,7 @@ class BackgroundJobListView(APIView):
             "Поддерживает фильтрацию по статусу (status) и лимит (limit)."
         ),
         responses={
-            200: BackgroundJobListSerializer(many=True),
+            200: BackgroundJobListResponseSerializer,
             **ErrorResponses.AUTHENTICATED,
         },
     )