{
  "kind": "append",
  "runId": "candidate-append-pass",
  "results": {
    "totalEvents": 590000,
    "batches": 10000,
    "errors": 0,
    "latencyMs": {
      "p50": 3.6,
      "p95": 9.8
    },
    "throughputEventsPerSec": 9500.0
  }
}