the one the sweep missed. an image or a PDF dropped into a chat went straight to its final name in the attachments directory, and the mkdir above it was redundant once Bun.write creates the parent chain anyway. no `Bun.write` left under src/servers/api that is not writeAtomic. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Officer-Session: 656f5c85-e49a-4f1f-b9f3-042a04b4d043