Also treat empty route as /

js/components/pieces/NavPageLink.mjs

 export const NavPageLink = {
     view(vnode) {
         const href = vnode.attrs.href
-        const current = m.route.get() === href
+        const currentRoute = m.route.get()
+        const isCurrent =
+            currentRoute === href || (currentRoute === "" && href === "/")
 
         return m(
             m.route.Link,
-            { href, class: current ? "current" : "" },
+            { href, class: isCurrent ? "current" : "" },
             vnode.attrs.label,
         )
     },