APM Service Health Assess APM service health using Observability APIs, ES|QL against APM indices, Elasticsearch APIs, and (for correlation and APM-specific logic) the Kibana repo. Use SLOs, firing alerts, ML anomalies, throughput, latency (avg/p95/p99), error rate, and dependency health. Where to look - Observability APIs (Observability APIs): Use the SLOs API (Stack | Serverless) to get SLO definitions, status, burn rate, and error budget. Use the Alerting API (Stack | Serverless) to list and manage alerting rules and their alerts for the service. Use APM annotations API to create or search…