fix: fix changelog format configuration

[sapientpants]

Summary

• Add custom changelog generator for improved release notes formatting
• Update changeset config to use custom formatter
• Fix repository reference in changelog config

Changes

• Created custom changelog generator in src/dev/changelog-custom.ts
• Updated .changeset/config.json to use the custom formatter
• Fixed repository reference from incorrect repo to deepsource-mcp-server
• Updated dependencies to ensure compatibility

Test plan

• All tests pass
• Linting passes
• Type checking passes
• Formatting is correct

🤖 Generated with Claude Code

[deepsource-io]

Here's the code health analysis summary for commits 488ae64..08955d8. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Test coverage	✅ Success		View Check ↗
JavaScript	❌ Failure	❗ 1 occurence introduced	View Check ↗

Code Coverage Report

Metric	Aggregate	Javascript
Branch Coverage	88%	88%
Composite Coverage	89.6%	89.6%
Line Coverage	90%	90%

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[Copilot]

Pull Request Overview

This PR fixes changelog format configuration by implementing a custom changelog generator and updating the changeset configuration. The changes improve release notes formatting and correct repository references.

• Add custom changelog generator for better release notes formatting
• Update changeset config to use custom formatter instead of the default GitHub formatter
• Fix repository reference in changelog config

Reviewed Changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
src/dev/changelog-custom.ts	New custom changelog generator implementation
package.json	Updated dependencies to support custom changelog generation
CHANGELOG.md	Format updates applying the new changelog style
.changeset/fix-changelog-format.md	Changeset describing the fix
.changeset/config.json	Configuration update to use custom formatter

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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