Add customer accounts, shipment tracking, and purchase reviews.

Shoppers can register, save shipping details, and view order history while cards stay on Stripe. EasyPost tracker updates (including numbers from Pirate Ship) and 1–5 star reviews are limited to buyers. The contact form now only asks for email and a message.

site/pos_sync/tests.py

@@ -109,7 +109,7 @@ class POSPortalTests(TestCase):
 
     def test_list_ok_when_logged_in(self):
         User = get_user_model()
-        User.objects.create_user("clerk", password="test-pass-123")
+        User.objects.create_user("clerk", password="test-pass-123", is_staff=True)
         client = Client()
         client.login(username="clerk", password="test-pass-123")
         self.assertEqual(client.get(reverse("pos_sync:event_list")).status_code, 200)