Why?

What does this PR do?

Related issues

AI Contribution Checklist

• [ ] Substantial AI assistance was used in this PR: yes / no
• [ ] If yes, I included a completed AI Contribution Checklist in this PR description and the required AI Usage Disclosure.
• [ ] If yes, my PR description includes the required ai_review summary and screenshot evidence of the final clean AI review results from both fresh reviewers on the current PR diff or current HEAD after the latest code changes.

Does this PR introduce any user-facing change?

• [ ] Does this PR introduce any public API change?
• [ ] Does this PR introduce any binary protocol compatibility change?

Benchmark