change trace color on hover

lib/sch/convert-circuit-json-to-schematic-svg.ts

@@ -168,7 +168,9 @@ export function convertCircuitJsonToSchematicSvg(
               .component { fill: none; stroke: ${colorMap.schematic.component_outline}; }
               .chip { fill: ${colorMap.schematic.component_body}; stroke: ${colorMap.schematic.component_outline}; }
               .component-pin { fill: none; stroke: ${colorMap.schematic.component_outline}; }
-              .trace { stroke: ${colorMap.schematic.wire}; }
+              .trace:hover {
+                filter: invert(1);
+              }
               .text { font-family: sans-serif; fill: ${colorMap.schematic.wire}; }
               .pin-number { fill: ${colorMap.schematic.pin_number}; }
               .port-label { fill: ${colorMap.schematic.reference}; }

lib/sch/svg-object-fns/create-svg-objects-from-sch-trace.ts

@@ -103,7 +103,6 @@ export function createSchematicTrace(
       name: "path",
       type: "element",
       attributes: {
-        class: "trace",
         d: path,
         stroke: colorMap.schematic.wire,
         fill: "none",
@@ -137,5 +136,15 @@ export function createSchematicTrace(
     }
   }
 
-  return svgObjects
+  return [
+    {
+      name: "g",
+      type: "element",
+      value: "",
+      attributes: {
+        class: "trace",
+      },
+      children: svgObjects,
+    },
+  ]
 }