Apple Notes Observability Overview Apple Notes has no built-in metrics API or health endpoint. Observability must be built from the outside: polling note counts and folder states via JXA, monitoring iCloud sync daemon health, tracking osascript response latency, and watching system logs for Notes-related errors. This guide sets up a lightweight monitoring stack using bash scripts, structured JSON logs, and macOS notifications for alerting. For persistent monitoring, deploy the health check as a launchd agent that runs on a schedule. Health Check Script Metrics Dashboard (CLI) Structured Metri…