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  "title": "Add className support to UnderlineNav.Item component",
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  "debrief": "Copilot fixed className handling in the UnderlineNav.Item component. The change adds className support to UnderlineItem and merges it with default styles. It touches four files, 33 additions and 10 deletions, across six commits. A reviewer asked, \"Can you fix these lint and format CI errors?\" It merged after 5.55 hours with zero change requests.",
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  "body_excerpt": "## Changes\n\nThe `UnderlineNav.Item` component was not properly combining custom className props with the default styling. This PR fixes the issue by:\n\n1. Modifying the `UnderlineItem` component in `UnderlineTabbedInterface.tsx` to:\n   - Accept the className prop\n   - Use clsx to combine the default ",
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  "reviewer_excerpt": "@copilot Can you fix these lint and format CI errors?",
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