feat: implement product attribute options with database migration, resource, and validation requests

app/Domains/Catalog/Models/ProductAttributeOption.php

@@ -9,6 +9,7 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 #[Fillable([
     'attribute_id',
+    'value',
     'label',
     'sort_order',
     'metadata',

app/Domains/Catalog/Requests/StoreProductAttributeRequest.php

@@ -43,6 +43,7 @@ class StoreProductAttributeRequest extends FormRequest
                 ], true)),
                 'array',
             ],
+            'options.*.value' => ['required', 'string', 'max:255'],
             'options.*.label' => ['required', 'string', 'max:255'],
             'options.*.sort_order' => ['sometimes', 'integer'],
             'options.*.metadata' => ['nullable', 'array'],

app/Domains/Catalog/Requests/UpdateProductAttributeRequest.php

@@ -37,6 +37,7 @@ class UpdateProductAttributeRequest extends FormRequest
             'metadata_schema' => ['nullable', 'array'],
             'type' => ['required', Rule::enum(FieldType::class)],
             'options' => ['sometimes', 'array'],
+            'options.*.value' => ['required', 'string', 'max:255'],
             'options.*.label' => ['required', 'string', 'max:255'],
             'options.*.sort_order' => ['sometimes', 'integer'],
             'options.*.metadata' => ['nullable', 'array'],

app/Domains/Catalog/Resources/ProductAttributeOptionResource.php

@@ -17,6 +17,7 @@ class ProductAttributeOptionResource extends JsonResource
     {
         return [
             'id' => $this->id,
+            'value' => $this->value,
             'label' => $this->label,
             'sort_order' => $this->sort_order,
             'metadata' => $this->metadata,