Italian locale shows "Durata ragionamento: sconosciuta" during reasoning

[voodarkdoo]

When locale is set to 'it', a label reading "Durata ragionamento: sconosciuta" ("Reasoning duration: unknown") is shown while the model is thinking, before the first token is rendered. Once the first token appears, the label correctly displays the elapsed time.

The English locale shows no label at all during this phase, which is the preferable behaviour.

To reproduce

chatkit.setOptions({
  api: {
    url: '/chatkit',
    domainKey: 'local-dev',
  },
  locale: 'it',
});

1. Set locale: 'it'
2. Send a message
3. Observe the label before the first token is rendered

Expected behaviour
No label is shown while the reasoning duration is not yet known (consistent with the English locale).

Actual behaviour
The label "Durata ragionamento: sconosciuta" is displayed.

Screenshots