Shows per-container: hostname, PHP version, SAPI, uptime, CPU cores, CPU usage % (sampled from cgroup), load averages (1/5/15m), RAM used/ total/free with usage %. Color-coded: green <70%, yellow <90%, red >=90%. Reads from cgroup v2 (fallback v1) and /proc for container-level stats. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>