temp emails, reviews theming and form, minor change in checkout module, validation translations seeder

app/Http/Controllers/Checkout/CheckoutController.php

@@ -74,13 +74,27 @@ public function show(string $locale): View
             $cart->refresh()->recalculate();
         }
 
+        $paymentMethods = $this->checkout->getPaymentMethods();
+
+        // Nothing checked yet (fresh cart), or the shopper's earlier pick is
+        // no longer offered (method disabled/removed since) — auto-select
+        // the first one, same as a manual click would, so the payment
+        // section (and the Stripe Element mounting under it) isn't sitting
+        // inert behind an unchecked radio. A still-valid previous choice is
+        // left alone.
+        $firstMethod = $paymentMethods->first();
+
+        if ($cart && $firstMethod && ! $paymentMethods->contains('type', data_get($cart, 'meta.payment_method'))) {
+            $cart = $this->checkout->selectPaymentMethod($firstMethod->type);
+        }
+
         return view('checkout::page', [
             'cart' => $cart,
             'lines' => $lines,
             'billingAddress' => $cart?->billingAddress,
             'shippingAddress' => $cart?->shippingAddress,
             'shippingOptions' => $shippingOptions,
-            'paymentMethods' => $this->checkout->getPaymentMethods(),
+            'paymentMethods' => $paymentMethods,
             'shipToBilling' => (bool) data_get($cart, 'meta.ship_to_billing', true),
             'storeCountry' => $storeCountry,
             'countries' => $storeCountry
@@ -300,6 +314,30 @@ public function placeOrder(string $locale, Request $request): JsonResponse
             ], 422);
         }
 
+        // Same check Lunar's own ValidateCartForOrderCreation runs inside
+        // initiatePayment() (a product unpublished/deleted after it was
+        // added to the cart) — checked here first so the shopper is told
+        // which product is the problem, rather than falling into the
+        // catch-all "complete your billing/shipping details" message below,
+        // which is what actually happened and is generic to every
+        // CartException reason, misleading when the real cause is a line,
+        // not an address.
+        $unavailableLines = $this->cart->activeLines($cart)->filter(
+            fn ($line) => ! $line->purchasable || ! $line->purchasable->isPurchasable(),
+        );
+
+        if ($unavailableLines->isNotEmpty()) {
+            $names = $unavailableLines
+                ->map(fn ($line) => $line->purchasable?->product?->translateAttribute('name') ?? $line->purchasable?->getIdentifier())
+                ->filter()
+                ->implode(', ');
+
+            return response()->json([
+                'status' => 'invalid',
+                'message' => __('checkout.page.cart_line_unavailable', ['name' => $names]),
+            ], 422);
+        }
+
         // The one incomplete-cart case worth a specific message + pointing the
         // shopper at the right section: a region resolving 2+ methods needs an
         // explicit pick (no auto-select), easy to miss since nothing else on