fetch_rapid7_alerts opens the alert InsightIDR Essential posts as a JSON
string in a single payload field (JSON or form body) and returns one flat
item per relayed message; the correlation id is the dedup key. Own mapper
and alert type, written from a real delivery.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Xa1QDbsPTYiVREv2Cvs3Zn
