feat(scanner): add scanner category validation logic and related tests

app/Domains/Staff/Requests/UpdateStaffRequest.php

@@ -16,6 +16,10 @@ class UpdateStaffRequest extends FormRequest
     public function rules(): array
     {
         $staffId = (int) $this->route('staff');
+        $categoryRules = $this->user()->tenant()->firstOrFail()
+            ->requiresScannerCategoryValidation()
+            ? ['required', 'array', 'min:1']
+            : ['sometimes', 'array'];
 
         return [
             'nombre_apellido' => ['required', 'string', 'max:255'],
@@ -26,8 +30,8 @@ class UpdateStaffRequest extends FormRequest
                 'max:255',
                 Rule::unique('users', 'email')->ignore($staffId),
             ],
-            'category_ids' => ['required', 'array', 'min:1'],
-            'category_ids.*' => ['required', 'integer', 'distinct', Rule::exists('categorias', 'id')],
+            'category_ids' => $categoryRules,
+            'category_ids.*' => ['integer', 'distinct', Rule::exists('categorias', 'id')],
         ];
     }
 }