fix: Correct print stock relationship accessor

- Change print_stocks (plural) to printStock (singular)
- Properly accesses the PrintStock model via OrderItem's belongsTo relationship
- Gets the correct print stock name from the print_stocks table

app/Listeners/NotifySlackOnOrderCreated.php

@@ -21,6 +21,7 @@ class NotifySlackOnOrderCreated
 
         // Extract design name from first order item's product
         $designName = $order->items->first()?->product?->name ?? '—';
+        $printStock = $order->items->first()?->printStock?->name ?? '—';
 
         // Calculate print size from first item's dimensions
         $printSize = '—';
@@ -29,7 +30,7 @@ class NotifySlackOnOrderCreated
             if ($firstItem->type === 'wallpaper' && $firstItem->length) {
                 $printSize = $firstItem->length . 'm';
             } elseif ($firstItem->type === 'mural' && $firstItem->width && $firstItem->height) {
-                $printSize = $firstItem->width . 'cm × ' . $firstItem->height . 'cm';
+                $printSize = $firstItem->width . 'm × ' . $firstItem->height . 'm';
             }
         }
 
@@ -56,6 +57,7 @@ class NotifySlackOnOrderCreated
             // Populate custom fields with the same info
             $this->trello->setTextField($cardId, 'order_id', $order->uuid);
             $this->trello->setTextField($cardId, 'design_name', $designName);
+            $this->trello->setTextField($cardId, 'print_stock', $printStock);
             $this->trello->setTextField($cardId, 'customer_name', $order->customer_name ?? '—');
             $this->trello->setTextField($cardId, 'print_size', $printSize);
 

config/trello.php

@@ -26,7 +26,7 @@ return [
         'design_name'   => '69579233dbdfa1de96beef7f',
         'customer_name' => '6957924221e31eb4a7a271b0',
         'print_size'    => '6957926dab26ae511aaf17e9',
-
+        'print_stock'   => '6957d40c8ad150b886b978e4',
         'ship_w'        => '6957929435cdaf8b318b16d5',
         'ship_h'        => '695792a3c5ef01fd66d9bb66',
         'ship_l'        => '695792bdba79b9499f0f5f59',