- Add Network Map tab with D3.js force-directed graph visualization
- Device icons: Windows, Linux, macOS, routers, switches, printers, servers
- Network range scan modal with ping/quick/OS/full scan options
- Parse nmap XML output to detect OS type and open ports
- Host details sidebar panel with deep scan option
- Draggable network nodes with gateway-centered layout
- Auto-refresh and polling for running scans
- Infer OS from open ports when nmap OS detection unavailable