1. **i18n Regression:** A latent bug in `src/routes/(app)/workspace/models/create/+page.svelte` was causing an `i18n.t is not a function` error. This was due to an incorrect call to the `i18n` Svelte store. The fix corrects the call to use the proper auto-subscription syntax (`$i18n.t()`).
2. **Vertical Button Text:** In `src/lib/components/playground/Chat.svelte`, the "Assistant"/"User" role button's text was displaying vertically. This was caused by a `flex-1` class on its container, which has been removed.
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