Updated checkout to wait for backend confirmation before advancing, added a “Processing payment…” state with retry/ refresh fallback, and now use Paddle totals/currency for purchase records + confirmation emails (with new email translations).

app/Http/Controllers/Testing/TestCheckoutController.php

@@ -8,7 +8,6 @@ use App\Services\Checkout\CheckoutWebhookService;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 use Illuminate\Support\Str;
-use Illuminate\Validation\ValidationException;
 
 class TestCheckoutController extends Controller
 {
@@ -89,7 +88,7 @@ class TestCheckoutController extends Controller
             'data' => array_filter([
                 'id' => $validated['transaction_id'] ?? ('txn_'.Str::uuid()),
                 'status' => $validated['status'] ?? 'completed',
-                'metadata' => $metadata,
+                'custom_data' => $metadata,
                 'checkout_id' => $validated['checkout_id'] ?? $session->provider_metadata['paddle_checkout_id'] ?? 'chk_'.Str::uuid(),
             ]),
         ];