Worked on the langfuse/langfuse repository to enhance backend observability and reliability by introducing a new monitoring metric for the ClickhouseWriter component. Developed in TypeScript with a focus on backend development and unit testing, the solution tracks rows dropped when maximum flush attempts are reached, emitting a metric that integrates with existing error logs and monitoring systems. This worker-level update improved data reliability and enabled more proactive alerting without altering user-facing behavior. The addition allows teams to monitor row drops more effectively, reducing mean time to resolution for write-related issues and supporting better service level agreement visibility within the system.