fix(server): roll back question attachment copies when respond preparation fails (#11557)

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Co-authored-by: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
f9a23dd959Alex Southwell committed on 9/21/2026, 5:32:51 AM· committed by Julius Marmingeparentf3b479c
4 files changedLine totals unavailable