Phase4: Stripe

src/messages/en.json

@@ -740,7 +740,7 @@
     },
     "payWithCard": "Pay with card",
     "redirectingToStripe": "Redirecting…",
-    "paymentReceived": "Payment received — thank you. The status will update once Stripe confirms (a few seconds).",
-    "paymentCancelled": "Payment was cancelled. The invoice is still open; you can try again whenever."
+    "paymentReceived": "Payment received — thank you!",
+    "paymentCancelled": "Payment cancelled."
   }
 }