Provide integration with Grafana / Prometheus

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
I would like to be able to monitor scheduler and runtime metrics real time

**Describe the solution you'd like**
Provide integration with Grafana / Prometheus

**Describe alternatives you've considered**

**Additional context**

Start by locating the scheduler and runtime metrics entry points in the Rust project, then review how metrics could be exposed to Prometheus and visualized in Grafana. Done means scheduler and runtime metrics are available for real-time monitoring through the requested integration.

Written by the indexing model from the issue text.