{
  "data_publishable": true,
  "stability_pass": true,
  "premium_p95_ttft_ms": {
    "baseline": 299.295,
    "surge-1": 1760.256,
    "recovery-1": 127.183,
    "surge-2": 1227.273,
    "recovery-2": 279.2,
    "final": 289.845
  },
  "premium_p99_ttft_ms": {
    "baseline": 596.29,
    "surge-1": 2667.828,
    "recovery-1": 346.052,
    "surge-2": 1926.864,
    "recovery-2": 455.506,
    "final": 393.685
  },
  "second_surge_p95_change_pct": -30.28,
  "premium_surge_p95_ceiling_ms": 3000,
  "queue_drained": true,
  "flow_control_engaged_in_both_surges": true,
  "queue_by_window": {
    "baseline": {
      "max": 0.0,
      "median": 0.0,
      "active_sample_fraction": 0.0
    },
    "surge-1": {
      "max": 39.0,
      "median": 0.0,
      "active_sample_fraction": 0.3875
    },
    "recovery-1": {
      "max": 8.0,
      "median": 0.0,
      "active_sample_fraction": 0.0667
    },
    "surge-2": {
      "max": 27.0,
      "median": 0.0,
      "active_sample_fraction": 0.2708
    },
    "recovery-2": {
      "max": 41.0,
      "median": 0.0,
      "active_sample_fraction": 0.1444
    },
    "final": {
      "max": 0.0,
      "median": 0.0,
      "active_sample_fraction": 0.0
    }
  },
  "requests": 14889,
  "http_statuses": {
    "200": 14889
  },
  "max_vllm_waiting": 29.0,
  "max_kv_cache_pct": 23.752,
  "preemptions": 0.0,
  "epp_restarted": false,
  "schema": "stable-upstream-long-stability-analysis-v1",
  "run_name": "30-minute mixed-workload stability run",
  "business_question": "Does the selected priority-protection configuration recover after repeated production-shaped surges?",
  "answer": "Flow control engaged during both surges, every request completed, and the policy queue returned to zero afterward.",
  "claim_boundary": "This is one 30-minute, single-model, cache-off run. It supports recovery after repeated surges but does not promise a fixed TTFT for every load."
}