mandant-crm/backend/app/Modules/User/Requests/CreateUserRequest.php

<?php

namespace App\Modules\User\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Str;
use Illuminate\Validation\Rule;

class CreateUserRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    protected function prepareForValidation(): void
    {
        if ($this->has('email')) {
            $this->merge(['email' => Str::lower($this->input('email'))]);
        }
    }

    public function rules(): array
    {
        return [
            'name' => ['required', 'string', 'max:255'],
            'email' => [
                'required',
                'email',
                Rule::unique('users')->whereNull('deleted_at'),
            ],
            'password' => ['required', 'string', 'min:8', 'confirmed'],
            'role' => ['required', 'string', 'in:admin,staff'],
        ];
    }
}