Dashboard Recessi: promemoria rimborso 14gg (Art. 56) + colonna 'Rimborsa entro' (trasmissione + 14gg)

Il promemoria non e' piu' solo nella notifica email: visibile anche dove il
merchant gestisce le richieste (funziona pure con notifiche off).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Mv83a29B4eFv5ixoj6PoE1

app/app/routes/app.withdrawals.tsx

@@ -7,6 +7,7 @@ import {
   DataTable,
   Text,
   Badge,
+  Banner,
   BlockStack,
 } from "@shopify/polaris";
 import { TitleBar } from "@shopify/app-bridge-react";
@@ -15,6 +16,18 @@ import { authenticate } from "../shopify.server";
 import db from "../db.server";
 import { formatTransmittedAt } from "../lib/recesso.server";
 
+// Scadenza rimborso (Art. 56): trasmissione + 14 giorni, data Europe/Rome.
+function refundBy(transmittedAt: Date): string {
+  const d = new Date(transmittedAt);
+  d.setDate(d.getDate() + 14);
+  return new Intl.DateTimeFormat("it-IT", {
+    timeZone: "Europe/Rome",
+    day: "2-digit",
+    month: "2-digit",
+    year: "numeric",
+  }).format(d);
+}
+
 export const loader = async ({ request }: LoaderFunctionArgs) => {
   const { session } = await authenticate.admin(request);
   const items = await db.withdrawalRequest.findMany({
@@ -29,6 +42,7 @@ export const loader = async ({ request }: LoaderFunctionArgs) => {
       customerName: w.customerName,
       email: w.email,
       transmittedAt: formatTransmittedAt(w.transmittedAt),
+      refundBy: refundBy(w.transmittedAt),
       receiptSent: !!w.receiptSentAt,
       hasReturn: !!w.shopifyReturnId,
     })),
@@ -43,6 +57,7 @@ export default function WithdrawalsPage() {
     r.customerName,
     r.email,
     r.transmittedAt,
+    r.refundBy,
     r.receiptSent ? "Inviata" : "-",
     r.hasReturn ? "Sì" : "-",
   ]);
@@ -68,6 +83,11 @@ export default function WithdrawalsPage() {
                 <Text as="h2" variant="headingMd">
                   Registro recessi ({rows.length})
                 </Text>
+                <Banner tone="warning">
+                  Ricorda: disponi il rimborso entro 14 giorni dalla richiesta
+                  (art. 56). Puoi trattenere fino alla riconsegna della merce o
+                  alla prova di spedizione.
+                </Banner>
                 <DataTable
                   columnContentTypes={[
                     "text",
@@ -76,12 +96,14 @@ export default function WithdrawalsPage() {
                     "text",
                     "text",
                     "text",
+                    "text",
                   ]}
                   headings={[
                     "Ordine",
                     "Cliente",
                     "Email",
                     "Trasmesso",
+                    "Rimborsa entro",
                     "Ricevuta",
                     "Reso",
                   ]}