test: add workflow test comment to core module

[uozopio]

Testing the complete GitHub workflow by adding a test comment to the core module.

This PR is part of the workflow testing process to verify:

• CI workflow triggers
• Automatic labeling
• Branch protection rules

[github-actions]

✅ PR Size Check Passed

This PR changes 6 lines across 2 files.

[github-actions]

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[github-advanced-security]

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