Add a new metric to correctly count resolved incidents over a time window

[ZhdanAndrew]

I would like to request adding a new metric that allows counting the number of incidents that entered the resolved status over a given time range using PromQL functions like increase().

Currently, using increase(pagerduty_summary_incident_statuschange_count{serviceID="1", status="resolved"}[7d]) does not return the correct number of incidents resolved in the last 7 days.

Expected behavior:

If the total number of resolved incidents was 100, and after 7 days it became 150, then:

increase(new_metric{serviceID="1", status="resolved"}[7d])

should return 50.

Why this is needed:

The existing metric pagerduty_summary_incident_count or pagerduty_summary_incident_statuschange_count increments in a way that doesn’t reflect actual counts of transitions to the resolved state within a time window, which makes it impossible to build correct weekly/monthly reports.

A dedicated metric that increments once per incident resolution event would solve this.

Thank you!