feat: background remote agent updates survive SAC navigation (0.20.19)

backend/tests/test_hosts.py

@@ -4,6 +4,7 @@ import uuid
 from datetime import datetime, timedelta, timezone
 
 import pytest
+from sqlalchemy import select
 
 from app.config import get_settings
 from app.models import Event, Host, Problem
@@ -138,13 +139,14 @@ def test_delete_host_removes_events_and_problems(client, db_session, jwt_headers
     )
     db_session.commit()
 
-    r = client.delete(f"/api/v1/hosts/{h.id}", headers=jwt_headers)
+    host_id = h.id
+    r = client.delete(f"/api/v1/hosts/{host_id}", headers=jwt_headers)
     assert r.status_code == 200
     body = r.json()
     assert body["hostname"] == "test-host"
     assert body["deleted_events"] == 1
     assert body["deleted_problems"] == 1
-    assert db_session.get(Host, h.id) is None
+    assert db_session.scalar(select(Host.id).where(Host.id == host_id)) is None
 
 
 def test_delete_host_404(client, jwt_headers):