{
  "provenance": {
    "app_version": "0.25.0",
    "command": "fak bench --suite tau2-airline-smoke",
    "engine_model": "mock-offline",
    "slice_id": "tau2-airline-smoke",
    "workload_hash": "9f1701415fb4a360",
    "go_version": "go1.26.0",
    "os": "darwin",
    "generated_by": "fak/internal/bench"
  },
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    "p50_ns": 2427,
    "p99_ns": 3468,
    "mean_ns": 2370,
    "engine_calls": 6,
    "vdso_hits": 6,
    "denies": 0,
    "quarantines": 0,
    "input_tokens": 355,
    "output_tokens": 140,
    "buckets": [
      {
        "label": "\u003c100ns",
        "count": 0
      },
      {
        "label": "\u003c1µs",
        "count": 2
      },
      {
        "label": "\u003c10µs",
        "count": 10
      },
      {
        "label": "\u003c100µs",
        "count": 0
      },
      {
        "label": "\u003c1ms",
        "count": 0
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      {
        "label": "\u003c10ms",
        "count": 0
      },
      {
        "label": "\u003c100ms",
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      {
        "label": "\u003c1s",
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      },
      {
        "label": "\u003e=1s",
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    ],
    "provider_cache_hits": 0,
    "provider_cache_read_tokens": 0
  },
  "vdso_off": {
    "label": "vdso_off",
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    "p50_ns": 2429,
    "p99_ns": 3621,
    "mean_ns": 2429,
    "engine_calls": 12,
    "vdso_hits": 0,
    "denies": 0,
    "quarantines": 0,
    "input_tokens": 687,
    "output_tokens": 250,
    "buckets": [
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        "label": "\u003c100ns",
        "count": 0
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      {
        "label": "\u003c1µs",
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      {
        "label": "\u003c10µs",
        "count": 11
      },
      {
        "label": "\u003c100µs",
        "count": 0
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      {
        "label": "\u003c1ms",
        "count": 0
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      {
        "label": "\u003c10ms",
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      {
        "label": "\u003c100ms",
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      {
        "label": "\u003c1s",
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      {
        "label": "\u003e=1s",
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    ],
    "provider_cache_hits": 0,
    "provider_cache_read_tokens": 0
  },
  "spawned_hook_baseline": {
    "source": "spawned `fak hook` per decide, this machine",
    "p50_ns": 6913458,
    "p99_ns": 7941791,
    "calls": 100,
    "spawn_model": "process-per-decide (darwin)"
  },
  "kpis": {
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    "tool_call_p99_ns": 3468,
    "vdso_hit_rate": 0.5,
    "preflight_catch_rate": 0,
    "context_pollution_rate": 0,
    "tokens_per_task": 41.25
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  "gate_primary": "pass",
  "primary_detail": "in-process adjudication p50 (2427ns) vs spawned-hook p50 (6913458ns)",
  "token_delta_pct": 47.171824973319104,
  "dollar_per_task": 0.001485,
  "live_seam": "live_seam_unverified"
}