{
  "checked_at": "2026-09-11T07:22:42.559504+00:00",
  "python": "3.14.4",
  "platform": "Windows-11-10.0.26200-SP0",
  "rounds": 9,
  "policy": {
    "baseline_ref": "16c3ae8",
    "median_ratio": 1.2,
    "median_noise_floor_ms": 1.0,
    "p95_ratio": 1.5,
    "p95_noise_floor_ms": 25.0,
    "single_scan_ceiling_ms": 2000,
    "worker_timeout_seconds": 30,
    "note": "Internal release review budgets, not a service SLA. Keep the v0.4.4 baseline pinned to catch cumulative rule growth. Do not reset the baseline or loosen budgets to obtain a pass; document owner-reviewed changes separately. A failure needs investigation and one controlled rerun, not repeated runs until green."
  },
  "baseline_sha256": "a5f5a1d833e856950e46e92577c791f8ca5784c8993baf25fce9be9fcab613b0",
  "candidate_sha256": "1ae9b335db6bc333c1816ea56412807a9e56448ce2b6497e7ca58ad813c841d6",
  "workload_sha256": "61809539fe335b0201458ad6f252dcadbbce9cf42a32c7be24a2e30f8658cc11",
  "method": "One warmup per engine/case; alternating paired runs in an isolated worker. P95 is nearest-rank of a small local sample, not production p95. No network, queueing, cold start, concurrent load or HTTP parsing included.",
  "cases": {
    "ordinary_1kb": {
      "baseline": {
        "median_ms": 8.7653,
        "p95_ms": 10.4179,
        "max_ms": 10.4179
      },
      "candidate": {
        "median_ms": 7.2438,
        "p95_ms": 12.9121,
        "max_ms": 12.9121
      },
      "reasons": [],
      "passed": true
    },
    "ordinary_8kb": {
      "baseline": {
        "median_ms": 53.0573,
        "p95_ms": 63.7924,
        "max_ms": 63.7924
      },
      "candidate": {
        "median_ms": 56.4649,
        "p95_ms": 65.3218,
        "max_ms": 65.3218
      },
      "reasons": [],
      "passed": true
    },
    "ordinary_32kb": {
      "baseline": {
        "median_ms": 197.2022,
        "p95_ms": 217.1485,
        "max_ms": 217.1485
      },
      "candidate": {
        "median_ms": 183.2824,
        "p95_ms": 203.4516,
        "max_ms": 203.4516
      },
      "reasons": [],
      "passed": true
    },
    "ordinary_64kb": {
      "baseline": {
        "median_ms": 382.7355,
        "p95_ms": 425.5671,
        "max_ms": 425.5671
      },
      "candidate": {
        "median_ms": 377.3644,
        "p95_ms": 432.6573,
        "max_ms": 432.6573
      },
      "reasons": [],
      "passed": true
    },
    "transfer_near_miss_64kb": {
      "baseline": {
        "median_ms": 478.0266,
        "p95_ms": 537.1451,
        "max_ms": 537.1451
      },
      "candidate": {
        "median_ms": 512.0284,
        "p95_ms": 605.2547,
        "max_ms": 605.2547
      },
      "reasons": [],
      "passed": true
    },
    "separated_letters_64kb": {
      "baseline": {
        "median_ms": 835.3755,
        "p95_ms": 931.8623,
        "max_ms": 931.8623
      },
      "candidate": {
        "median_ms": 827.4496,
        "p95_ms": 1675.8351,
        "max_ms": 1675.8351
      },
      "reasons": [
        "tail regression"
      ],
      "passed": false
    },
    "unicode_32kb": {
      "baseline": {
        "median_ms": 164.6797,
        "p95_ms": 205.9182,
        "max_ms": 205.9182
      },
      "candidate": {
        "median_ms": 156.8135,
        "p95_ms": 186.9576,
        "max_ms": 186.9576
      },
      "reasons": [],
      "passed": true
    },
    "encoded_32kb": {
      "baseline": {
        "median_ms": 158.4088,
        "p95_ms": 279.3449,
        "max_ms": 279.3449
      },
      "candidate": {
        "median_ms": 164.3968,
        "p95_ms": 252.9096,
        "max_ms": 252.9096
      },
      "reasons": [],
      "passed": true
    },
    "conversation_8x4kb": {
      "baseline": {
        "median_ms": 643.9012,
        "p95_ms": 679.9616,
        "max_ms": 679.9616
      },
      "candidate": {
        "median_ms": 634.1473,
        "p95_ms": 765.5109,
        "max_ms": 765.5109
      },
      "reasons": [],
      "passed": true
    },
    "nested_tool_32kb": {
      "baseline": {
        "median_ms": 352.8978,
        "p95_ms": 393.3428,
        "max_ms": 393.3428
      },
      "candidate": {
        "median_ms": 344.8089,
        "p95_ms": 385.3721,
        "max_ms": 385.3721
      },
      "reasons": [],
      "passed": true
    }
  },
  "passed": false
}