feat: implement product creation workflow with variants, attribute definitions, and validation logic

app/Domains/Catalog/Resources/AttributeResource.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Domains\Catalog\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/**
+ * @mixin \App\Domains\Catalog\Models\Attribute
+ */
+class AttributeResource extends JsonResource
+{
+    /**
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'tenant_codigo' => $this->tenant_codigo,
+            'codigo' => $this->codigo,
+            'nombre' => $this->nombre,
+            'is_required' => $this->is_required,
+            'metadata_schema' => $this->metadata_schema,
+            'type' => $this->type?->value ?? $this->type,
+            'options' => AttributeOptionResource::collection($this->whenLoaded('options')),
+        ];
+    }
+}