Support name in manifest errors

[JReinhold]

storybookjs/storybook#32882 introduces name to errors. This updates the validation to include that.

[changeset-bot]

🦋 Changeset detected

Latest commit: f5b610d

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

This PR includes changesets to release 2 packages

Name	Type
@storybook/mcp	Patch
@storybook/addon-mcp	Patch

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[codecov]

Bundle Report

Changes will increase total bundle size by 215 bytes (0.57%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
@storybook/mcp-esm	20.16kB	215 bytes (1.08%) ⬆️

Affected Assets, Files, and Routes:

view changes for bundle: @storybook/mcp-esm

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
index.js	23 bytes	13.2kB	0.17%
index.d.ts	192 bytes	6.97kB	2.83%

Files in index.js:

• ./src/types.ts → Total Size: 756 bytes

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.56%. Comparing base (77536a7) to head (f5b610d).
⚠️ Report is 1 commits behind head on next.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             next      #55      +/-   ##
==========================================
+ Coverage   82.20%   82.56%   +0.35%     
==========================================
  Files          15       15              
  Lines         843      843              
  Branches      159      162       +3     
==========================================
+ Hits          693      696       +3     
+ Misses        142      139       -3     
  Partials        8        8              

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[Copilot]

Pull Request Overview

This PR adds support for handling error states in component manifests by updating the schema to include an error name field and adding comprehensive test coverage for various error scenarios.

Key Changes:

• Added name field to the error object schema in component and example manifests
• Created a new test fixture (with-errors.fixture.json) demonstrating five different error scenarios
• Added test cases verifying that components and examples with errors are handled gracefully (skipped when rendering)

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
packages/mcp/src/types.ts	Added name field to error object schema for better error identification
packages/mcp/fixtures/with-errors.fixture.json	New test fixture with realistic error scenarios including mixed success/error states
packages/mcp/src/utils/format-manifest.test.ts	Added comprehensive tests verifying error handling behavior in formatting functions
packages/mcp/src/utils/error-to-mcp-content.test.ts	Reformatted multi-line constructor call to single line

[pkg-pr-new]

npm i https://pkg.pr.new/@storybook/addon-mcp@55

npm i https://pkg.pr.new/@storybook/mcp@55

commit: f5b610d

[Copilot]

Pull Request Overview

Copilot reviewed 5 out of 5 changed files in this pull request and generated no new comments.

[Copilot]

Pull Request Overview

Copilot reviewed 6 out of 6 changed files in this pull request and generated 4 comments.