Tagsarea 1

case "ArrowLeft": if (cp > 0) s = { cp: cp - 1 }; break;
case "ArrowRight": if(cp < tags.length) s = { cp: cp + 1 }; break;
case "Backspace": if(cp > 0) s = { cp: cp - 1, tags: tags.filter((_, i) => i !== cp - 1) }; break;
case "Delete": if(cp < tags.length) s = { tags: tags.filter((_, i) => i !== cp) }; break;