Topic bandwidth tracking and visualization with:
- Tracks message rates for all subscribed ROS topics
- Estimates bandwidth based on message size and frequency
- Message size estimated from JSON serialization
- Updates every 1 second with rolling 30-second history window
- Sortable table display:
* Topic name with truncation for long names
* Message rate (messages per second)
* Average message size (bytes)
* Bandwidth estimate (B/s, KB/s, or MB/s)
* Sparkline mini-chart showing bandwidth trend
- Total bandwidth summary at top
- Click column headers to sort (ascending/descending toggle)
- Visual indicators with color-coded columns
Integrated into MONITORING tab group as 'Bandwidth' tab.
Component provides window.__trackRosMessage() hook for optional
bandwidth tracking integration with ROS bridge.
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
