{
  "source": "Course-authored stand-in for an agent's draft root-cause analysis. No model wrote it; the incident and the log are synthetic.",
  "incident": "Revision R2 went live at 10:05:00 on 2026-11-24. A user reports that the project page is slow.",
  "log": "request_log.jsonl",
  "hypotheses": [
    {
      "id": "H1",
      "claim": "R2 broke imports: the import endpoint has returned server errors since the deploy.",
      "cites": [6, 14, 31]
    },
    {
      "id": "H2",
      "claim": "From 10:05 the project page's p95 rose from about 60 ms to about 900 ms; other pages held.",
      "cites": [23, 28, 34]
    },
    {
      "id": "H3",
      "claim": "The cause is R2's project page running one database query per build.",
      "cites": [23, 28, 34]
    }
  ],
  "proposed_repair": "Roll back R2, and add automatic retries to imports."
}