feat(dashboards): Add edit and delete guard for prebuilt dashboards to backend dashboard details endpoint

src/sentry/dashboards/endpoints/organization_dashboard_details.py

@@ -127,6 +127,9 @@ def delete(
         num_dashboards = Dashboard.objects.filter(organization=organization).count()
         num_tombstones = DashboardTombstone.objects.filter(organization=organization).count()
 
+        if isinstance(dashboard, Dashboard) and dashboard.prebuilt_id is not None:
+            return self.respond({"Cannot delete prebuilt Dashboards."}, status=409)
+
         if isinstance(dashboard, dict):
             if num_dashboards > 0:
                 DashboardTombstone.objects.get_or_create(
@@ -170,6 +173,9 @@ def put(
 
         self.check_object_permissions(request, dashboard)
 
+        if isinstance(dashboard, Dashboard) and dashboard.prebuilt_id is not None:
+            return self.respond({"Cannot edit prebuilt Dashboards."}, status=409)
+
         tombstone = None
         if isinstance(dashboard, dict):
             tombstone = dashboard["id"]

tests/sentry/dashboards/endpoints/test_organization_dashboard_details.py

@@ -9,6 +9,7 @@
 from django.urls import reverse
 from django.utils import timezone
 
+from sentry.dashboards.endpoints.organization_dashboards import PrebuiltDashboardId
 from sentry.discover.models import DatasetSourcesTypes
 from sentry.explore.translation.dashboards_translation import translate_dashboard_widget
 from sentry.models.dashboard import (
@@ -3410,6 +3411,28 @@ def test_does_not_update_if_linked_dashboard_does_not_appear_in_fields(self) ->
         assert response.status_code == 400, response.data
         assert b"Linked dashboard does not appear in the fields of the query" in response.content
 
+    def test_cannot_delete_prebuilt_insights_dashboard(self) -> None:
+        dashboard = Dashboard.objects.create(
+            title="Frontend Session Health",
+            organization=self.organization,
+            prebuilt_id=PrebuiltDashboardId.FRONTEND_SESSION_HEALTH,
+        )
+        response = self.do_request("delete", self.url(dashboard.id))
+        assert response.status_code == 409
+        assert "Cannot delete prebuilt Dashboards." in response.content.decode()
+
+    def test_cannot_edit_prebuilt_insights_dashboard(self) -> None:
+        dashboard = Dashboard.objects.create(
+            title="Frontend Session Health",
+            organization=self.organization,
+            prebuilt_id=PrebuiltDashboardId.FRONTEND_SESSION_HEALTH,
+        )
+        response = self.do_request(
+            "put", self.url(dashboard.id), data={"title": "Frontend Session Health Edited"}
+        )
+        assert response.status_code == 409
+        assert "Cannot edit prebuilt Dashboards." in response.content.decode()
+
 
 class OrganizationDashboardDetailsOnDemandTest(OrganizationDashboardDetailsTestCase):
     widget_type = DashboardWidgetTypes.TRANSACTION_LIKE