handleKeyAction method
Implementation
void handleKeyAction(String key) {
switch (key) {
case 'space':
onDone();
break;
case 'left':
if (onBack != null) onBack!();
break;
case 'x':
if (agent.status == TaskStatus.running && onKillAgent != null) {
onKillAgent!();
}
break;
}
}