feat: add digest-gated internal main deployment

tests/apps/core/test_celery_module.py

@@ -111,6 +111,21 @@ class CeleryModuleTest(SimpleTestCase):
 
         apply_async_mock.assert_not_called()
 
+    def test_startup_refresh_skips_when_disabled(self):
+        with patch.dict(
+            os.environ, {"DJANGO_SETTINGS_MODULE": "settings.test"}, clear=True
+        ), patch.object(sys, "argv", ["python", "manage.py", "shell"]):
+            module = _load_module("isolated_core_celery_startup_disabled")
+
+        with patch.object(
+            module,
+            "settings",
+            SimpleNamespace(CELERY_STARTUP_REFRESH_ENABLED=False),
+        ), patch.object(module.cache, "add") as add_mock:
+            module._queue_startup_sources_refresh()
+
+        add_mock.assert_not_called()
+
     def test_debug_task_prints_request(self):
         with patch.dict(
             os.environ, {"DJANGO_SETTINGS_MODULE": "settings.test"}, clear=True