Add normalizeSvgIconName utility

script/shared/icon-utils.ts

@@ -0,0 +1,12 @@
+export function normalizeSvgIconName(iconName?: string): string | undefined {
+  if (!iconName || iconName.startsWith("octicon")) {
+    return iconName;
+  }
+
+  if (iconName.startsWith("lucide ")) {
+    const lucideName = iconName.slice("lucide ".length).split(".")[0].trim();
+    return lucideName ? `lucide-${lucideName}` : undefined;
+  }
+
+  return iconName;
+}