From https://github.com/tang-vu/keryx/blob/main/docs/engineering/2026-09-08-buyer-recovery.md, prepare an operator checklist for a paid research request whose HTTP response was lost: what must be retained and how should the existing job be recovered? Cite only material actually retrieved; keep unread sources and unsupported points explicit. Do not force a purchase or a reward.
Model-written summary with sentence-level citations. Each sentence is followed by the verbatim source text it was checked against; sentences without a qualifying excerpt were removed. Research target 1 Requested topic (u…