{"schema":"hux.research_notebook.v1","id":"nb_0001aaaa","conversation_id":"conv_0001abcd","question":"Which supplier delivers fastest under budget?","status":"open","source_ids":["src_0001aaaa"],"passage_ids":["psg_0001aaaa"],"citation_ids":["cit_0001aaaa"],"assumptions":["Budget cap is unchanged at 12k"],"unresolved_questions":["Does the lead time include installation?"],"updated_at":"2026-08-23T10:00:01Z"}