Carola Christoffel enhanced proactive monitoring for the subshell/helm-charts repository by implementing a Prometheus alert for the Sophora Metadata Supplier job queue. She designed the alert to be configurable through Helm values.yaml, allowing operators to adjust thresholds for queue size, duration, and severity as needed. Carola also authored an actionable runbook to guide remediation steps and refined the alert description for greater clarity. Her work, primarily using YAML and Helm, improved the reliability and maintainability of the monitoring setup within Kubernetes environments. This feature reduced mean time to resolution for queue-related issues and ensured consistent alert configuration across deployments.