Claude Code has a freeform field for the default language, so you can, you know, enter whatever you want

```
❯ /config
⎿ Set defaultPermissionMode to default
Set response language to Shakespearean English

❯ how can the current app be optimized further?

⏺ A most excellent inquiry! Let me first study the codebase with great care, that I might offer counsel most wise and well-founded.

Explore(Explore toy codebase thoroughly)
⎿
Read(/Users/z/toy/toy.swift · lines 1-100)
```