Add confirmation to "Copy MCP URL" page action

[zenoachtig]

CleanShot.2025-10-27.at.16.59.36.mp4

• Introduce key to useCopiedStore so we can have multiple elements that don't all respond to the same Copy action.
• Add useCopiedStore functionality to "Copy MCP URL" page action (via CopyToClipboard action).

[linear]

RND-8468 Add confirmation toast/message that MCP URL was copied

[changeset-bot]

🦋 Changeset detected

Latest commit: 34f3cf1

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-v2-2fsd4zw4q-gitbook.vercel.app	✅
Cloudflare	https://c33a8eb7-gitbook-open-v2-preview.gitbook.workers.dev	✅

Test content

Site	2v	2c
GitBook	https://gitbook-v2-2fsd4zw4q-gitbook.vercel.app/url/gitbook.com/docs	https://c33a8eb7-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.com/docs
E2E	https://gitbook-v2-2fsd4zw4q-gitbook.vercel.app/url/gitbook.gitbook.io/test-gitbook-open	https://c33a8eb7-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)	✅ No changes detected	-	Oct 28, 2025, 11:32 AM
v2-cloudflare (Inspect)	👍 Changes approved	3 changed	Oct 28, 2025, 11:36 AM
v2-vercel (Inspect)	👍 Changes approved	2 changed	Oct 28, 2025, 11:35 AM

[nolannbiron]

the state management looks good, just one thing to fix before merging