Allow customization of animated thinking verbs (e.g. "Garnishing…")

While Claude Code is processing, it displays animated status text with rotating verbs (e.g. "Garnishing…", "Thinking…"). These are currently hard-coded with no way to customize them.

Request: Add a configuration option (e.g. in settings.json) to let users define their own list of verbs for this animation.

This would be a fun quality-of-life feature for users who want to personalize their experience.