Docs: Remove language from sh code snippets

[huang-julien]

Closes #

What I did

Small fix for documentations. <CodeSnippets> automatically set the language to bash when packageManager is set

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

• Visually check docs for modified code snippets

Caution

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

• Make sure this PR contains one of the labels below:

  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.
  • cleanup: Minor cleanup style change. Will not show up in release changelog.
  • documentation: Documentation only changes. Will not show up in release changelog.
  • 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.

🦋 Canary release

This PR does not have a canary release associated. You can request a canary release of this pull request by mentioning the @storybookjs/core team here.

core team members can create a canary release here or locally with gh workflow run --repo storybookjs/storybook publish.yml --field pr=<PR_NUMBER>

Summary by CodeRabbit

• Documentation
  • Standardized code-fence metadata for multiple installation and migration snippets so shell commands display correctly across package manager examples.
  • Reformatted documentation version metadata file to be human-readable (pretty-printed) without changing its content.

[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: 04815546-8159-4b08-8605-ef26958a067e

📥 Commits

Reviewing files that changed from the base of the PR and between 128895b and 64c3af2.

📒 Files selected for processing (1)

• docs/versions/next.json

✅ Files skipped from review due to trivial changes (1)

• docs/versions/next.json

---

📝 Walkthrough

Walkthrough

Removed language="js" attributes from shell/sh code-fence metadata across nine documentation snippet files; reformatted docs/versions/next.json from a single-line JSON to pretty-printed multi-line JSON. Command text and packageManager attributes in snippets remain unchanged.

Changes

Cohort / File(s)	Summary
Documentation snippet formatting docs/_snippets/addon-a11y-add.md, docs/_snippets/msw-addon-install.md, docs/_snippets/storybook-addon-compiler-babel-auto-install.md, docs/_snippets/storybook-addon-compiler-swc-auto-install.md, docs/_snippets/storybook-addon-run-dev-mode.md, docs/_snippets/storybook-migrate-csf-2-to-3.md, docs/_snippets/storybook-migrate-mdx-to-csf.md, docs/_snippets/storybook-migrate-stories-of-to-csf.md, docs/_snippets/test-runner-eject-config.md	Removed language="js" attribute from sh/shell code-fence metadata. Kept packageManager attributes and all command lines unchanged.
Docs version file formatting docs/versions/next.json	Reformatted from a minified single-line JSON to a pretty-printed multi-line JSON object; preserved all field values and text content.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

✨ Finishing Touches

⚔️ Resolve merge conflicts

• Resolve merge conflict in branch docs/code_snipper

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[kylegach]

Thanks for cleaning things up, @huang-julien!

[kylegach]

FYI, I merged in latest next and pushed another commit to include all relevant snippet files.