Function onSubmit

frontend/src/components/settings/settings.tsx:82–86

(values: z.infer<typeof formSchema>)

  useEffect(() => setValue(current ?? ''), [current]);

  const commit = async () => {
    const next = value.trim();
    if (saving || !next || next === current) {
      setValue(current ?? '');
      return;
    }
    setSaving(true);
    try {