Docs: Update addon migration guide link

[yannbf]

Closes #

What I did

The link was pointing to a branch that is now outdated.

Checklist for Contributors

Testing

The changes in this PR are covered in the following automated tests:

• stories
• unit tests
• integration tests
• end-to-end tests

Manual testing

This section is mandatory for all contributions. If you believe no manual test is necessary, please state so explicitly. Thanks!

Documentation

• Add or update documentation reflecting your changes
• If you are deprecating/removing a feature, make sure to update
  MIGRATION.MD

Checklist for Maintainers

• When this PR is ready for testing, make sure to add ci:normal, ci:merged or ci:daily GH label to it to run a specific set of sandboxes. The particular set of sandboxes can be found in code/lib/cli-storybook/src/sandbox-templates.ts

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  Available labels

  • bug: Internal changes that fixes incorrect behavior.
  • maintenance: User-facing maintenance tasks.
  • dependencies: Upgrading (sometimes downgrading) dependencies.
  • build: Internal-facing build tooling & test updates. Will not show up in release changelog.
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  • feature request: Introducing a new feature.
  • BREAKING CHANGE: Changes that break compatibility in some way with current major version.
  • other: Changes that don't fit in the above categories.

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Summary by CodeRabbit

• Documentation
  • Updated addon migration guide reference link to point to the current documentation source.

[coderabbitai]

📝 Walkthrough

Walkthrough

This pull request updates a hyperlink reference in the addon migration guide documentation. The link to addon-kit's tsup.config.ts configuration is changed from the esm-only branch to the main branch, reflecting the current source location.

Changes

Cohort / File(s)	Change Summary
Documentation hyperlink update docs/addons/addon-migration-guide.mdx	Updated addon-kit tsup.config.ts reference URL from esm-only branch to main branch

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

• Single documentation file with a straightforward hyperlink correction
• No logic changes or functional impact

Possibly related PRs

• storybookjs/storybook#32714: Directly addresses the same URL branch reference update from esm-only to main in the addon migration guide
• storybookjs/storybook#32847: Also modifies the addon migration guide with broader content alignment changes related to addon-kit

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch yann/update-addon-kit-docs

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📥 Commits

Reviewing files that changed from the base of the PR and between 7e50eb0 and b3ec0ae.

📒 Files selected for processing (1)

• docs/addons/addon-migration-guide.mdx (1 hunks)

🧰 Additional context used

📓 Path-based instructions (1)

docs/**

📄 CodeRabbit inference engine (.github/copilot-instructions.md)

Update documentation under docs/ for significant changes, including migration guides for breaking changes

Files:

• docs/addons/addon-migration-guide.mdx

🪛 LanguageTool

docs/addons/addon-migration-guide.mdx

[grammar] ~60-~60: Ensure spelling is correct
Context: ...-only builds Storybook 10 requires all addons to be built as ESM-only. This change si...

(QB_NEW_EN_ORTHOGRAPHY_ERROR_IDS_1)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (2)

• GitHub Check: Danger JS
• GitHub Check: Core Unit Tests, windows-latest

🔇 Additional comments (1)

docs/addons/addon-migration-guide.mdx (1)

60-60: Link update aligns with PR objectives.

The URL change from the esm-only branch to the main branch correctly reflects the current source location of the addon-kit reference file, as intended by this PR.

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☁️ Nx Cloud last updated this comment at 2025-10-28 18:30:10 UTC

[jonniebigodes]

@yannbf thanks for catching this issue and adjusting the documentation. Appreciate it 🙏 !

This is good on my end.

If you don't mind, I'll merge this so that the documentation is updated as soon as possible.