chore: Add __init__.py files for enterprise Python packages

Add package initialization files for:
- enterprise/
- enterprise/telemetry/
- tests/integration_tests/enterprise/
- tests/unit_tests/enterprise/

api/enterprise/telemetry/event_handlers.py

@@ -14,6 +14,14 @@ from events.feedback_event import feedback_was_created
 
 logger = logging.getLogger(__name__)
 
+# Export handlers to mark them as intentionally public (accessed via Blinker decorators)
+__all__ = [
+    "_handle_app_created",
+    "_handle_app_deleted",
+    "_handle_app_updated",
+    "_handle_feedback_created",
+]
+
 
 @app_was_created.connect
 def _handle_app_created(sender: object, **kwargs: object) -> None:

api/extensions/ext_enterprise_telemetry.py

@@ -39,7 +39,7 @@ def init_app(app: DifyApp) -> None:
     atexit.register(_exporter.shutdown)
 
     # Import to trigger @signal.connect decorator registration
-    import enterprise.telemetry.event_handlers  # noqa: F401
+    import enterprise.telemetry.event_handlers  # noqa: F401  # type: ignore[reportUnusedImport]
 
     logger.info("Enterprise telemetry initialized")
 

api/tasks/ops_trace_task.py

@@ -43,9 +43,9 @@ def process_trace_tasks(file_info):
         if trace_type:
             trace_info = trace_type(**trace_info)
 
-
         # process enterprise trace separately
         from enterprise.telemetry.exporter import is_enterprise_telemetry_enabled
+
         if is_enterprise_telemetry_enabled():
             from enterprise.telemetry.enterprise_trace import EnterpriseDataTrace