{
  "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",
  "notes": [
    {
      "at": "2026-08-23T10:00:00Z",
      "text": "Lead times exclude installation per supplier FAQ.",
      "source_id": "src_0001aaaa"
    }
  ],
  "revision": 4
}