Improve performance of InlineLinkTooltip

[emmerich]

InlineLinkTooltip was having a negative effect on the loading and rendering time of pages for two reasons:

1. Despite being entirely client-side/interaction-based, it was rendered on the server, included in the RSC payload, and hydrated.
2. On pages with 1000s of links, it was causing a very slow browser experience. I think optimizing for this size of page is a bigger task and quite niche.

This PR addresses both of these points:

1. The tooltip is now marked as a client component, and is loaded lazily post-hydration to avoid having an impact on initial render. There's no SEO impact as the tooltips don't contain meaningful SEO content. Even on pages with only a handful of links this is a net benefit.
2. We disable the tooltip on pages with more than 100 links.

[changeset-bot]

🦋 Changeset detected

Latest commit: aca512e

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

This PR includes changesets to release 2 packages

Name	Type
gitbook	Patch
gitbook-v2	Patch

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[github-actions]

Summary of the deployments:

Version 1

Version	URL	Status
Latest commit	https://2d24139c.gitbook-open.pages.dev	✅
PR	https://pr3339.gitbook-open.pages.dev	✅

Version 2

Version	URL	Status
Vercel	https://gitbook-v2-7giwz61pr-gitbook.vercel.app	✅
Cloudflare	https://133f676c-gitbook-open-v2-preview.gitbook.workers.dev	✅

Test content

Site	v1	2v	2c
GitBook	https://2d24139c.gitbook-open.pages.dev/gitbook.com/docs	https://gitbook-v2-7giwz61pr-gitbook.vercel.app/url/gitbook.com/docs	https://133f676c-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.com/docs
E2E	https://2d24139c.gitbook-open.pages.dev/gitbook.gitbook.io/test-gitbook-open	https://gitbook-v2-7giwz61pr-gitbook.vercel.app/url/gitbook.gitbook.io/test-gitbook-open	https://133f676c-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.gitbook.io/test-gitbook-open

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Build	Status	Details	Updated (UTC)
customers-v1 (Inspect)	✅ No changes detected	-	Jun 18, 2025, 9:13 AM
customers-v2 (Inspect)	👍 Changes approved	77 changed	Jun 18, 2025, 9:16 AM
default (Inspect)	✅ No changes detected	-	Jun 18, 2025, 9:17 AM
v2-cloudflare (Inspect)	✅ No changes detected	-	Jun 18, 2025, 9:18 AM
v2-vercel (Inspect)	✅ No changes detected	-	Jun 18, 2025, 11:13 AM