rcourtman e0396c1362 docs: update documentation for diagnostics improvements ... Add comprehensive operator documentation for the new observability features introduced in the previous commit. **New Documentation:** - docs/monitoring/PROMETHEUS_METRICS.md - Complete reference for all 18 new Prometheus metrics with alert suggestions **Updated Documentation:** - docs/API.md - Document X-Request-ID and X-Diagnostics-Cached-At headers, explain diagnostics endpoint caching behavior - docs/TROUBLESHOOTING.md - Add section on correlating API calls with logs using request IDs - docs/operations/ADAPTIVE_POLLING_ROLLOUT.md - Update monitoring checklists with new per-node and scheduler metrics - docs/CONFIGURATION.md - Clarify LOG_FILE dual-output behavior and rotation defaults These updates ensure operators understand: - How to set up monitoring/alerting for new metrics - How to configure file logging with rotation - How to troubleshoot using request correlation - What metrics are available for dashboards Related to: 495e6c794 (feat: comprehensive diagnostics improvements)		2025-10-21 12:45:19 +00:00
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ADAPTIVE_POLLING.md	docs: simplify Mermaid diagrams for better readability	2025-10-21 10:50:40 +00:00
PROMETHEUS_METRICS.md	docs: update documentation for diagnostics improvements	2025-10-21 12:45:19 +00:00