<?php
// CLI only. Existing templates remain unset; existing course times are preserved.
if(PHP_SAPI!=='cli')exit('CLI only');
require dirname(__DIR__).'/vendor/autoload.php';
$app=new \think\App(dirname(__DIR__).'/');$app->initialize();
set_exception_handler(function($e){fwrite(STDERR,$e->getMessage().PHP_EOL);exit(1);});
\app\mobile\service\KeyTrainingSchema::upgradeDuration();
echo "Key training duration schema updated. Existing course times preserved.\n";