<?php
declare(strict_types=1);

function validate_client(array $input): array
{
    $name = trim((string)($input['name'] ?? ''));
    $status = (string)($input['status'] ?? 'active');
    $errors = [];
    if ($name === '') $errors['name'] = 'Client name is required.';
    if (mb_strlen($name) > 190) $errors['name'] = 'Client name must be 190 characters or fewer.';
    if (!in_array($status, ['active', 'inactive'], true)) $errors['status'] = 'Invalid client status.';
    return ['name' => $name, 'status' => $status, 'errors' => $errors];
}