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

app/Domains/Staff/Requests/StoreStaffRequest.php

@@ -15,12 +15,17 @@ class StoreStaffRequest extends FormRequest
     /** @return array<string, mixed> */
     public function rules(): array
     {
+        $categoryRules = $this->user()->tenant()->firstOrFail()
+            ->requiresScannerCategoryValidation()
+            ? ['required', 'array', 'min:1']
+            : ['sometimes', 'array'];
+
         return [
             'nombre_apellido' => ['required', 'string', 'max:255'],
             'dni' => ['required', 'string', 'max:50'],
             'email' => ['required', 'email', 'max:255', 'unique:users,email'],
-            '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')],
         ];
     }
 }