Done Category, Product Catalogue, Customer, Vendor, Purchase Invoice Module

test_api.js

@@ -0,0 +1,22 @@
+const items = [
+  {
+    "productId": 1,
+    "quantity": 2,
+    "unitPrice": 100,
+    "total": 200
+  }
+];
+const po = {
+  "poNumber": "TEST-001",
+  "issueDate": "2026-08-27T00:00:00Z",
+  "items": items
+};
+
+fetch('http://localhost:8080/api/purchase-orders', {
+  method: 'POST',
+  headers: {
+    'Content-Type': 'application/json',
+    'Authorization': 'Bearer test' 
+  },
+  body: JSON.stringify(po)
+}).then(r => r.text()).then(console.log).catch(console.error);