Jaden Moore developed guard event telemetry for the ash-project/reactor repository, focusing on enhancing system reliability and observability. Using Elixir and leveraging backend development and system design skills, Jaden introduced telemetry events to track the start and stop of guard steps, as well as logging for guard failures, passes, and halts. The implementation included comprehensive tests to validate the new telemetry events and prevent crashes from unhandled guard scenarios, addressing a previous middleware crash. This work improved the maintainability of the reactor guard flow, enabling faster incident diagnosis and root-cause analysis while expanding test coverage for guard-related edge cases.