docs: annotate account commerce finance and content pages

app/pages/invoices/request.vue

@@ -1,4 +1,7 @@
 <script>
+/**
+ * 发票申请路由适配层：复用发票列表页，具体申请专用交互由该页根据当前路由决定。
+ */
 import "~/assets/styles/PageInfoNotice._16xRFrB.css";
 import "~/assets/styles/PaymentDialog.BNFKQF1U.css";
 import "~/assets/styles/invoices.t1P1GXOx.css";