Improve AI Search branding

[zenoachtig]

I had a little burst of inspiration and made the AI Search UX a bit more consistent. It now has a consistent visual identity, in line with- but different from the Assistant. I'm using the same "hold messages" from the Assistant to make the loading state of AI search more deliberate. And once the answer is streaming in, we show a title and a button to get back.

[changeset-bot]

🦋 Changeset detected

Latest commit: 0c1e4dc

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
gitbook	Patch

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[github-actions]

Summary of the deployments:

Version	URL	Status
Vercel	https://gitbook-v2-7bmjl7cmq-gitbook.vercel.app	✅
Cloudflare	https://30a450aa-gitbook-open-v2-preview.gitbook.workers.dev	✅

Test content

Site	2v	2c
GitBook	https://gitbook-v2-7bmjl7cmq-gitbook.vercel.app/url/gitbook.com/docs	https://30a450aa-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.com/docs
E2E	https://gitbook-v2-7bmjl7cmq-gitbook.vercel.app/url/gitbook.gitbook.io/test-gitbook-open	https://30a450aa-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.gitbook.io/test-gitbook-open

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Build	Status	Details	Updated (UTC)
customers-v2 (Inspect)	👍 Changes approved	2 changed	Oct 24, 2025, 9:04 AM
v2-cloudflare (Inspect)	👍 Changes approved	4 changed, 4 removed, 1 failure	Oct 24, 2025, 9:07 AM
v2-vercel (Inspect)	👍 Changes approved	6 changed, 4 removed, 1 failure	Oct 24, 2025, 9:08 AM