chore(release): v1.2.0

[github-actions]

Release v1.2.0

Automated release PR generated from conventional commits.

Changelog

Features

• implement comprehensive unit testing with 85.71% coverage (#20) (8b1bb46)

After Merge

Important: After merging this PR, manually create and push the tag:

git checkout main
git pull origin main
git tag v1.2.0
git push origin v1.2.0

This will trigger the publish.yml workflow to publish to npm and create the GitHub release.

---

📦 Version: 1.2.0
📝 Changelog: Updated
🏷️ Tag: Will be created after merge