Bump plugin-bones to 9f86f12 (HP polish + LGS steel walls) - #716

Bugbot Analysis Progress (3m 9s elapsed)

✅ Gathered PR context (4s)
✅ Completed bug detection (3m 5s)
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Final Result: Bugbot completed review - no issues found! ✅

Request ID: serverGenReqId_700f8b16-d8c5-4f79-a405-4cf9aebdb810