Added
- Network topology map — interactive per-site network visualization; auto-discovers links via MNDP neighbor discovery
- Smart link detection — resolves VLAN/bridge paths to physical ports; removes indirect bridge-forwarded links automatically
- Draggable layout — arrange devices by dragging; positions saved to database and shared across browsers
- Device type icons — router, switch, and AP icons with live status indicator, model, and stats on each card
- WiFi links — wireless connections shown as dashed purple lines
- Per-site scanning — topology scanned per site on demand with Refresh button