docs(Chat): mention LangChain integration options

[christian-bromann]

🔗 Linked issue

#6614 (comment)

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Clarify that Chat components can be used with LangChain agents through the DeepAgents AI SDK adapter or @langchain/vue composables.

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: f8526325-8741-42d6-9d57-4b89872f12d7

📥 Commits

Reviewing files that changed from the base of the PR and between 7e6d0f7 and 3542d7d.

📒 Files selected for processing (1)

• docs/content/docs/2.components/chat.md

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📝 Walkthrough

Walkthrough

This change adds a documentation tip to the chat components page, explaining how to integrate LangChain Vue composables with the chat components—either via the DeepAgents harness adapter with the AI SDK Chat class, or by connecting @langchain/vue's useStream/useMessages to UChatMessages and UChatPrompt. No code or public API changes are included.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Changes

Cohort / File(s)	Summary
Documentation update — docs/content/docs/2.components/chat.md	Added a :::tip callout describing LangChain Vue composable integration options

Related PRs: None identified.

Suggested labels: documentation

Suggested reviewers: None identified.

Poem

A tip appears, a hop, a hint,
For chains of Lang and Vue we print.
UChatMessages, UChatPrompt too,
Wired by streams both old and new.
🐇 A rabbit's nod to docs anew.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the documentation update about LangChain integration options.
Description check	✅ Passed	The description matches the PR and explains the Chat and LangChain documentation change.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[pkg-pr-new]

npm i https://pkg.pr.new/@nuxt/ui@6661

commit: 3542d7d