{
  "schema_version": "1.0",
  "benchmark_id": "local-k6-ingest-20260912T122546Z",
  "scope": "Signed POST /webhooks ingestion through atomic Redis Stream enqueueing; no delivery worker was running.",
  "git_sha": "7b56b44a4d2e742df0c63341b80e02681f1ad69b",
  "time_window_utc": {
    "started_at": "2026-09-12T12:25:46Z",
    "ended_at": "2026-09-12T12:26:16Z",
    "duration_seconds": 30.0010634
  },
  "machine": {
    "manufacturer": "LENOVO",
    "model": "82XV",
    "cpu": "13th Gen Intel(R) Core(TM) i7-13620H",
    "physical_cores": 10,
    "logical_processors": 16,
    "physical_memory_bytes": 16961822720,
    "operating_system": "Microsoft Windows 11 Home Single Language 10.0.26200 64-bit"
  },
  "runtime": {
    "python": "3.12.0",
    "k6": "2.1.0 commit 83a87a41e2, windows/amd64",
    "redis": "7.0.15 in WSL, database 15",
    "api": "Uvicorn on 127.0.0.1:8000 with application/access logs suppressed",
    "worker_concurrency": 0
  },
  "load_profile": {
    "virtual_users_max": 50,
    "stages": [
      {"duration_seconds": 5, "target_virtual_users": 50},
      {"duration_seconds": 20, "target_virtual_users": 50},
      {"duration_seconds": 5, "target_virtual_users": 0}
    ],
    "payload_bytes": {
      "minimum": 166,
      "average": 172.11630890698248,
      "median": 173,
      "maximum": 173
    }
  },
  "results": {
    "requests": 20265,
    "accepted_202": 20265,
    "failed_requests": 0,
    "error_rate": 0,
    "ingestion_throughput_requests_per_second": 675.4760566253794,
    "ingestion_latency_ms": {
      "average": 40.8111322674564,
      "p50": 40.0017,
      "p95": 74.897,
      "p99": 273.14000800000025,
      "maximum": 543.3008
    },
    "thresholds_passed": [
      "checks rate == 1",
      "http_req_failed rate == 0",
      "http_req_duration p95 < 100 ms"
    ],
    "confirmed_delivery_throughput_requests_per_second": null
  },
  "artifacts": {
    "raw_k6_summary": "docs/evidence/k6-ingest-20260912-summary.json",
    "test_script": "tests/k6_stress_test.js",
    "runner": "scripts/run_stress_test.ps1"
  },
  "limitations": [
    "This is one local development-machine run, not a production capacity guarantee.",
    "The benchmark covers ingestion and Redis Stream enqueueing only; it does not run the worker or measure confirmed delivery throughput.",
    "Latency is local HTTP response latency and excludes internet, TLS, retry, and receiver-delivery time.",
    "The production soak artifact separately verifies confirmed delivery, retry recovery, and bounded resource behavior under its scheduled workload."
  ]
}