fix(seed): upsert POs so re-running seed does not fail on duplicate poNumber; currency USD -> INR

App/pelagia-portal/prisma/seed.ts

@@ -185,14 +185,16 @@ async function main() {
     },
   });
 
-  // Sample POs
+  // Sample POs — upsert so re-running seed is safe
-  const po1 = await db.purchaseOrder.create({
+  const po1 = await db.purchaseOrder.upsert({
-    data: {
+    where: { poNumber: "PO-2026-00001" },
+    update: {},
+    create: {
       poNumber: "PO-2026-00001",
       title: "Engine Room Spare Parts — MV Pelagia Star",
       status: "MGR_REVIEW",
       totalAmount: 8450.0,
-      currency: "USD",
+      currency: "INR",
       submittedAt: new Date(),
       submitterId: technical.id,
       vesselId: mv1.id,
@@ -214,13 +216,15 @@ async function main() {
     },
   });
 
-  await db.purchaseOrder.create({
+  await db.purchaseOrder.upsert({
-    data: {
+    where: { poNumber: "PO-2026-00002" },
+    update: {},
+    create: {
       poNumber: "PO-2026-00002",
       title: "Crew Safety Equipment — MV Aegean Wind",
       status: "DRAFT",
       totalAmount: 3200.0,
-      currency: "USD",
+      currency: "INR",
       submitterId: technical.id,
       vesselId: mv2.id,
       accountId: acc2.id,
@@ -236,13 +240,15 @@ async function main() {
     },
   });
 
-  await db.purchaseOrder.create({
+  await db.purchaseOrder.upsert({
-    data: {
+    where: { poNumber: "PO-2026-00003" },
+    update: {},
+    create: {
       poNumber: "PO-2026-00003",
       title: "Navigation Charts Update — Fleet",
       status: "MGR_APPROVED",
       totalAmount: 950.0,
-      currency: "USD",
+      currency: "INR",
       submittedAt: new Date(Date.now() - 5 * 86400000),
       approvedAt: new Date(Date.now() - 2 * 86400000),
       submitterId: technical.id,