feat: add AirShelf core implementation

core/backend/apps/ai/views.py

@@ -0,0 +1,21 @@
+from rest_framework.viewsets import ReadOnlyModelViewSet
+
+from apps.common.api import TeamScopedViewSetMixin
+
+from .models import AITask, ModelConfig
+from .serializers import AITaskSerializer, ModelConfigSerializer
+
+
+class AITaskViewSet(TeamScopedViewSetMixin, ReadOnlyModelViewSet):
+    queryset = AITask.objects.select_related("team", "project", "model_config", "model_config__provider").all()
+    serializer_class = AITaskSerializer
+    search_fields = ["idempotency_key", "provider_task_id", "project__name"]
+    ordering_fields = ["created_at", "updated_at", "completed_at"]
+
+
+class ModelConfigViewSet(ReadOnlyModelViewSet):
+    queryset = ModelConfig.objects.select_related("provider").filter(status=ModelConfig.Status.ACTIVE)
+    serializer_class = ModelConfigSerializer
+    search_fields = ["name", "display_name", "capability"]
+    ordering_fields = ["created_at", "display_name"]
+