Features:
- Enumerate active ROS nodes from /rosout activity
- Real-time node status tracking (alive/dead based on heartbeat)
- Heartbeat timeout: 5 seconds without updates = dead
- Display node name, status, uptime, and last seen timestamp
- Color-coded status indicators (green=alive, gray=dead)
- Sortable table with node statistics
- Summary card showing alive/dead node counts
- Periodic status polling every 2 seconds
Integration:
- Added to MONITORING tab group as 'Nodes' tab
- Subscribes to /rosout (rcl_interfaces/Log) to detect active nodes
- Real-time updates with smooth transitions
Build: 119 modules, no errors
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
sl-webui
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