Changes:
- Show worker system metrics in dashboard and worker list
- Display CPU cores, memory usage, load average, uptime
- Added formatBytes() to display memory in human-readable format
- Added formatUptime() to show uptime as days/hours/minutes
- Added getTimeAgo() to show relative last-seen time
- Improved worker list with detailed metadata panel
- Show active tasks vs max concurrent tasks
- Terminal-themed styling for metadata display
- Amber labels for metadata fields
Benefits:
- See worker health at a glance
- Monitor resource usage (CPU, RAM, load)
- Track worker activity (active tasks)
- Better operational visibility
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>