Frontend Observability Skill Monitor web and mobile frontends using Real User Monitoring (RUM) with DQL queries. This skill targets the new RUM experience only; do not use classic RUM data. Overview This skill helps you: - Monitor Core Web Vitals and frontend performance - Track user sessions, engagement, and behavior - Analyze errors and correlate with backend traces - Optimize mobile app startup and stability - Diagnose performance issues with detailed timing analysis Data Sources: - Metrics : with (trends, alerting) - Events : (individual page views, requests, clicks, errors) - Sessions :…