fix: Fix CreateShipmentOnReadyToShip listener syntax and add guard logging

app/Http/Controllers/ShippingController.php

@@ -26,6 +26,13 @@ class ShippingController extends Controller
         Log::info('Initiating shipment creation', ['order_uuid' => $order->uuid]);
         // Guard 1: Verify packing completed with valid dimensions
         if (! $this->validatePackingGate($order)) {
+            Log::warning('Packing gate validation failed', [
+                'order_uuid' => $order->uuid,
+                'packing_completed_at' => $order->packing_completed_at,
+                'width' => $order->packing_width,
+                'length' => $order->packing_length,
+                'weight' => $order->packing_weight,
+            ]);
             return response()->json([
                 'error' => 'Order not yet packed with valid dimensions',
                 'details' => [
@@ -44,12 +51,21 @@ class ShippingController extends Controller
             $message = $order->is_custom_order ? 
                 'Custom order requires proof approved and balance paid' :
                 'Standard order must be fully paid';
-
+            Log::warning('Payment/approval gate validation failed', [
+                'order_uuid' => $order->uuid,
+                'is_custom_order' => $order->is_custom_order,
+                'payment_status' => $order->payment_status,
+            ]);
             return response()->json([
                 'error' => $message,
                 'payment_status' => $order->payment_status,
             ], 403);
-        }
+        }Log::warning('Order status gate validation failed', [
+                'order_uuid' => $order->uuid,
+                'expected_status' => 'ready_to_ship',
+                'current_status' => $order->status,
+            ]);
+            
 
         // Guard 3: Check order status is Ready to Ship
         if ($order->status !== 'ready_to_ship') {