Use Rolldown in `build-tools` #1359

Bugbot Review

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✅ Completed bug detection (3m 59s)
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Final Result: Bugbot completed review and found 1 potential issue.

Request ID: serverGenReqId_45723328-2b46-46b2-b72c-f778f247569b

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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^{Reviewed by Cursor Bugbot for commit 8fbeea9. Configure here.}