Aggregate cache metrics across all configured providers + active loaders. Returns a fresh CacheMetrics object suitable for the Cache tab's rendering. Mutates metricsCache (refreshes the monitor's per-loader snapshots).
metricsCache
Aggregate cache metrics across all configured providers + active loaders. Returns a fresh CacheMetrics object suitable for the Cache tab's rendering. Mutates
metricsCache(refreshes the monitor's per-loader snapshots).