docs: annotate remaining routes layouts and view boundaries

app/pages/orders/order/index.vue

@@ -1,4 +1,7 @@
 <script>
+/**
+ * 旧订单详情路由适配层：复用 /orders/[id] 的详情实现，并以完整地址为组件键以响应查询 ID 变化。
+ */
 import "~/assets/styles/PaymentDialog.BNFKQF1U.css";
 import "~/assets/styles/_id_.gjoJy9S8.css";
 definePageMeta({
@@ -16,6 +19,7 @@ var a = defineComponent({
       composables_t({
         key: (e) => e.fullPath,
       }),
+      // 兼容路径直接挂载订单详情，不复制详情请求。
       (t, r) => (openBlock(), createBlock(_id_))
     );
   },