docs: annotate remaining routes layouts and view boundaries

app/pages/invoices/invoice.vue

@@ -164,6 +164,7 @@ var T = {
         let Z = computed(() => q(z.value?.invoice_url));
         return (
           onMounted(X),
+          // 历史开票登记与正式文件下载分开展示，仅使用经过 q 校验的 URL 作为下载入口。
           (t, i) => {
             let s = message,
               f = skeleton,