This example combines structural routes, traffic lanes, and per-line style
overrides in one compact diagram.
<frame width="960" height="540" class="pa-4">
<generic-group id="route-traffic-demo" title="Route and Traffic" align="middle-spread">
<item id="200005" /> <!-- desktop_pc -->
<item id="200036" /> <!-- router_general -->
<item id="200013" /> <!-- l2_switch_general -->
<item id="200041" /> <!-- server -->
</generic-group>
<!-- Structural path: thin gray line without an arrowhead. -->
<connection src="200036" dst="200013" kind="route" />
<!-- Traffic over the same path: stronger blue arrow on an offset lane. -->
<connection src="200036" dst="200013" kind="traffic" />
<!-- Per-line style overrides. -->
<connection src="200005" dst="200036" kind="traffic"
color="#16a34a" stroke-width="3" arrowhead="triangle" />
<connection src="200013" dst="200041" kind="traffic"
color="#dc2626" stroke-style="dotted"
start-arrowhead="oval" end-arrowhead="diamond" />
</frame>
