ref(supergroups): remove explorer-based lightweight RCA

src/sentry/features/temporary.py

@@ -586,8 +586,6 @@ def register_temporary_features(manager: FeatureManager) -> None:
     manager.add("projects:relay-upload-endpoint", ProjectFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=False)
     # Enable supergroup RCA embedding generation from autofix explorer runs
     manager.add("projects:supergroup-embeddings-explorer", ProjectFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=False)
-    # Enable lightweight Explorer RCA runs for supergroup quality evaluation
-    manager.add("projects:supergroup-lightweight-rca", ProjectFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=False)
     # Enable lightweight RCA clustering write path (generate embeddings on new issues)
     manager.add("organizations:supergroups-lightweight-rca-clustering-write", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=False)
     # Enable lightweight RCA clustering read path (query lightweight embeddings in supergroup APIs)

src/sentry/seer/autofix/issue_summary.py

@@ -46,7 +46,6 @@
     make_signed_seer_api_request,
     make_summarize_issue_request,
 )
-from sentry.seer.supergroups.explorer_lightweight_rca import trigger_explorer_lightweight_rca
 from sentry.services import eventstore
 from sentry.services.eventstore.models import Event, GroupEvent
 from sentry.tasks.base import instrumented_task
@@ -226,13 +225,6 @@ def _trigger_autofix_task(
                 run_id=None,
                 stopping_point=stopping_point,
             )
-            try:
-                trigger_explorer_lightweight_rca(group)
-            except Exception:
-                logger.exception(
-                    "explorer_lightweight_rca.trigger_error_in_trigger_autofix_task",
-                    extra={"group_id": group_id},
-                )
         else:
             response = trigger_autofix(
                 group=group,

tests/sentry/seer/autofix/test_issue_summary.py

@@ -17,7 +17,6 @@
     _fetch_user_preference,
     _get_event,
     _get_stopping_point_from_fixability,
-    _trigger_autofix_task,
     get_and_update_group_fixability_score,
     get_automation_stopping_point,
     get_issue_summary,
@@ -947,85 +946,6 @@ def test_skips_when_autofix_in_progress(
         mock_trigger.assert_not_called()
 
 
-@with_feature(
-    {
-        "organizations:gen-ai-features": True,
-        "organizations:seer-explorer": True,
-        "organizations:autofix-on-explorer": True,
-    }
-)
-class TestTriggerAutofixTaskLightweightRca(APITestCase, SnubaTestCase):
-    def setUp(self) -> None:
-        super().setUp()
-        self.group = self.create_group()
-        event_data = load_data("python")
-        self.event = self.store_event(data=event_data, project_id=self.project.id)
-
-    @patch("sentry.seer.autofix.issue_summary.trigger_explorer_lightweight_rca")
-    @patch("sentry.seer.autofix.issue_summary.trigger_autofix_explorer", return_value=42)
-    def test_lightweight_rca_called_on_explorer_path(
-        self,
-        mock_explorer,
-        mock_explorer_lightweight_rca,
-    ):
-        """trigger_explorer_lightweight_rca is called when the explorer path is taken"""
-        _trigger_autofix_task(
-            group_id=self.group.id,
-            event_id=self.event.event_id,
-            user_id=None,
-            auto_run_source="post_process",
-        )
-
-        mock_explorer.assert_called_once()
-        mock_explorer_lightweight_rca.assert_called_once_with(self.group)
-
-    @patch("sentry.seer.autofix.issue_summary.trigger_explorer_lightweight_rca")
-    @patch(
-        "sentry.seer.autofix.issue_summary.trigger_autofix", return_value=Mock(data={"run_id": 42})
-    )
-    def test_lightweight_rca_not_called_on_legacy_path(
-        self,
-        mock_autofix,
-        mock_explorer_lightweight_rca,
-    ):
-        """trigger_explorer_lightweight_rca is NOT called on the legacy autofix path"""
-        with self.feature(
-            {
-                "organizations:seer-explorer": False,
-                "organizations:autofix-on-explorer": False,
-            }
-        ):
-            _trigger_autofix_task(
-                group_id=self.group.id,
-                event_id=self.event.event_id,
-                user_id=None,
-                auto_run_source="post_process",
-            )
-
-        mock_autofix.assert_called_once()
-        mock_explorer_lightweight_rca.assert_not_called()
-
-    @patch("sentry.seer.autofix.issue_summary.trigger_explorer_lightweight_rca")
-    @patch("sentry.seer.autofix.issue_summary.trigger_autofix_explorer", return_value=42)
-    def test_lightweight_rca_failure_does_not_block_explorer(
-        self,
-        mock_explorer,
-        mock_explorer_lightweight_rca,
-    ):
-        """Failure in trigger_explorer_lightweight_rca doesn't prevent the explorer autofix from completing"""
-        mock_explorer_lightweight_rca.side_effect = Exception("lightweight RCA failed")
-
-        _trigger_autofix_task(
-            group_id=self.group.id,
-            event_id=self.event.event_id,
-            user_id=None,
-            auto_run_source="post_process",
-        )
-
-        mock_explorer.assert_called_once()
-        mock_explorer_lightweight_rca.assert_called_once_with(self.group)
-
-
 class TestFetchUserPreference:
     @patch("sentry.seer.autofix.issue_summary.make_get_project_preference_request")
     def test_fetch_user_preference_success(self, mock_request):