feat(api): Implement EventManager error logging and add coverage (#29204)

- Ensure `EventManager._notify_layers` logs exceptions instead of silently swallowing them 
  so GraphEngine layer failures surface for debugging
- Introduce unit tests to assert the logger captures the runtime error when collecting events
- Enable the `S110` lint rule to catch `try-except-pass` patterns
- Add proper error logging for existing `try-except-pass` blocks.

api/core/tools/tool_manager.py

@@ -723,7 +723,7 @@ class ToolManager:
                         )
                     except Exception:
                         # app has been deleted
-                        pass
+                        logger.exception("Failed to transform workflow provider %s to controller", workflow_provider.id)
 
                 labels = ToolLabelManager.get_tools_labels(
                     [cast(ToolProviderController, controller) for controller in workflow_provider_controllers]