refactor(ui): render user button rows with the headless Button

[alexcarpenter]

Description

The rows in the Mosaic UserButton popup stand down while another action runs, and they do it through aria-disabled rather than the native attribute so the row that owns the action keeps its place in the tab order while its spinner is announced. That was a local asButton render helper in user-button.view.tsx, written before the headless Button existed.

The headless Button now owns that behavior, so the rows use it: <Button disabled focusableWhenDisabled /> as Item.Root's render. Alongside dropping the press, the rows now get the pointer-press suppression that actually keeps focus put, Enter/Space neutered while Tab still moves off, and a data-disabled attribute to style against.

One test needed a line. The headless Button prevents pointerdown, and user-event skips mousedown when it is prevented — along with the focus step that lives on it, which had been pulling focus back from the popup's own initial focus. The test now waits for that initial focus to land before the row takes it.

Checklist

• pnpm test runs as expected.
• pnpm build runs as expected.
• (If applicable) JSDoc comments have been added or updated for any package exports
• (If applicable) Documentation has been updated

Type of change

• 🐛 Bug fix
• 🌟 New feature
• 🔨 Breaking change
• 📖 Refactoring / dependency upgrade / documentation
• other:

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[changeset-bot]

🦋 Changeset detected

Latest commit: 5616d58

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

This PR includes changesets to release 0 packages

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commit: 5616d58

[github-actions]

API Changes Report

Generated by Break Check on 2026-08-11T21:33:51.110Z

Summary

Metric	Count
Packages analyzed	19
Packages with changes	0
🔴 Breaking changes	0
🟡 Non-breaking changes	0
🟢 Additions	0

No API Changes Detected

All packages have stable APIs with no detected changes.

---

Report generated by Break Check

_{Last ran on 5616d58.}

[coderabbitai]

📝 Walkthrough

Walkthrough

The user-button row renderer now uses Clerk Headless Button for workspace and non-link action rows. Disabled rows use focusableWhenDisabled and aria-disabled behavior while navigational actions continue to render as anchors. The focus test waits for dialog initialization before checking focus preservation and action suppression. A patch changeset was added.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• clerk/javascript#9184: Updates UserButton row rendering to preserve focus on disabled rows.
• clerk/javascript#9319: Introduces the Button primitive and its disabled focus behavior.
• clerk/javascript#9320: Applies Headless Button behavior to User Button rows.

Suggested reviewers: austincalvelage, maxyinger

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the primary change: rendering UserButton popup rows with the headless Button.
Description check	✅ Passed	The description directly explains the row refactor, preserved focus behavior, disabled handling, and related test update.
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.

---

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In @.changeset/mosaic-user-button-headless-row.md:
- Around line 1-2: Add a valid Changeset entry in the file by declaring the
package from packages/ui/package.json with a patch bump and including a concise
release note describing the UserButton change; retain the required Changeset
frontmatter delimiters.

🪄 Autofix

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro Plus

Run ID: d9c5a19d-cf42-46e4-b20c-f2854e1859dc

📥 Commits

Reviewing files that changed from the base of the PR and between 81840b3 and 84af1c8.

📒 Files selected for processing (3)

• .changeset/mosaic-user-button-headless-row.md
• packages/ui/src/mosaic/user-button/__tests__/user-button.view.test.tsx
• packages/ui/src/mosaic/user-button/user-button.view.tsx

🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

• clerk/clerk_go (manual)
• clerk/dashboard (manual)
• clerk/accounts (manual)
• clerk/backoffice (manual)
• clerk/clerk (manual)
• clerk/clerk-docs (manual)
• clerk/cloudflare-workers (manual)
• clerk/cli (auto-detected)
• clerk/clerk-ios (auto-detected)
• clerk/clerk-android (auto-detected)

[coderabbitai]

🗄️ Data Integrity & Integration | 🟠 Major | ⚡ Quick win

Add the packages/ui patch entry.

This file contains only Changeset delimiters. It does not declare a package, a patch bump, or a release note. Add the patch entry for the package defined by packages/ui/package.json and describe this UserButton change.

As per coding guidelines, “Use Changesets for managing releases.” The PR objective also requires a patch changeset for this packages/ui change.

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In @.changeset/mosaic-user-button-headless-row.md around lines 1 - 2, Add a
valid Changeset entry in the file by declaring the package from
packages/ui/package.json with a patch bump and including a concise release note
describing the UserButton change; retain the required Changeset frontmatter
delimiters.

Source: Coding guidelines