- Bridge server now accepts POST /openclaw from OpenClaw plugin
- OpenClawMeta struct stores version, plugin_version, and agents
- Heartbeat sendOnce() enriches payload with plugin metadata when available
- Telemetry Payload adds optional openclaw_version field
- README updated to document /openclaw endpoint and metadata enrichment
- All communication remains optional — Monitor functions without plugin data
- collect CPU, memory, disk, swap, load, and uptime telemetry
- detect nginx and list /etc/nginx/sites-enabled entries
- send heartbeat-v2 payload with API key auth
- provide install script, config example, and systemd unit