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test(utils): cover hash helper contract#842

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schickling/2026-06-25-utils-hash-contract
Jun 25, 2026
Merged

test(utils): cover hash helper contract#842
schickling merged 1 commit into
mainfrom
schickling/2026-06-25-utils-hash-contract

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@schickling-assistant schickling-assistant commented Jun 25, 2026

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Summary

  • adds direct unit coverage for the owned @overeng/utils SHA-1/SHA-256 helper contract
  • codifies that consumers should depend on sha1Hex/sha256Hex instead of reaching into @noble/hashes package internals
  • keeps @noble/hashes at the current 2.2.0 dependency already declared by @overeng/utils

Testing

  • pnpm --filter @overeng/utils exec vitest run src/isomorphic/hash.unit.test.ts

Risk

  • low: test-only change for existing exported helpers

Rollback

  • revert this PR to remove the added unit coverage
Posted on behalf of @schickling
field value
agent_name 👑 co2-crest
agent_session_id db5eb4b8-cace-4e02-9ee7-b837b126cbb7
agent_tool Codex CLI
agent_tool_version 0.141.0
agent_runtime Codex CLI 0.141.0
agent_model unknown
runtime_profile /nix/store/ri1wraif9cqyw420wd1ngp0z0a8rnwn7-coding-agent-runtime-profile/share/coding-agents/profile.json
skills_manifest /nix/store/n77xdlvsmwmg1b0kafxnir498z81ijkz-agent-skills-corpus/share/agent-skills/manifest.json
worktree ea27ba8/schickling/2026-06-25-utils-hash-contract
machine dev3
tooling_profile dotfiles@unknown-dirty

@schickling-assistant schickling-assistant added type:chore Maintenance, cleanup, dependencies, CI, or refactoring · Set: manual area:tooling Developer tooling, scripts, and utilities · Set: manual labels Jun 25, 2026
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github-actions Bot added a commit that referenced this pull request Jun 25, 2026
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Update CI measurement chart SVG for PR #842
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github-actions Bot added a commit that referenced this pull request Jun 25, 2026
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Update CI measurement chart PNG for PR #842
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CI Measurements

partial - advisory gate - readiness partial (17/26 enabled observations gateable) - commit e0803a9 - protocol devenv-perf-warm-median-v2

No regressions. 1 probe got faster; 22 neutral or ungated rows are collapsed below.

Measurement change vs baseline chart

SVG source

devenv / quality gates

What changed? Group Probe Baseline -> current Raw change Impact Confidence
faster devenv / quality gates Warm cached check:quick 3.341 s -> 2.86 s -0.481 s / -14.4% -0.73x paired n=5, 25-75% delta -9.345 s..-0.243 s

devenv / genie

What changed? Group Probe Baseline -> current Raw change Impact Confidence
no material impact devenv / genie Genie check task 4.018 s -> 4.667 s +0.649 s / 16.2% +0.27x paired n=5, 25-75% delta 0.11 s..0.515 s

nix / closures / packages

What changed? Group Probe Baseline -> current Raw change Impact Confidence
unchanged nix / closures / packages Nix sources closure size 0 B -> 0 B +0 B / n/a n/a unknown, baseline n=9, current n=1
unchanged nix / closures / packages Nix sources closure size 0 B -> 0 B +0 B / n/a n/a unknown, baseline n=9, current n=1
unchanged nix / closures / packages Nix sources closure size 0 B -> 0 B +0 B / n/a n/a unknown, baseline n=9, current n=1
unchanged nix / closures / packages Node / pnpm closure size 0 B -> 0 B +0 B / n/a n/a unknown, baseline n=9, current n=1
unchanged nix / closures / packages Node / pnpm closure size 0 B -> 0 B +0 B / n/a n/a unknown, baseline n=9, current n=1
unchanged nix / closures / packages Node / pnpm closure size 0 B -> 0 B +0 B / n/a n/a unknown, baseline n=9, current n=1
unchanged nix / closures / packages Rust closure size 0 B -> 0 B +0 B / n/a n/a unknown, baseline n=9, current n=1
unchanged nix / closures / packages Rust closure size 0 B -> 0 B +0 B / n/a n/a unknown, baseline n=9, current n=1
unchanged nix / closures / packages Rust closure size 0 B -> 0 B +0 B / n/a n/a unknown, baseline n=9, current n=1
Unchanged / 0-impact measurements (15)

These rows had compatible baseline data, but their semantic impact rounded to 0.00x because the movement was below the configured budget, below the noise floor, or inside the robust noise band.

devenv / devenv cli

Group Probe Baseline -> current Raw change Impact Gate Evidence Why hidden
devenv / devenv cli devenv tasks list 0.105 s -> 0.076 s -0.029 s / -27.6% 0.00x yes paired n=9, 25-75% delta -0.022 s..-0.004 s Too small to matter
devenv / devenv cli devenv processes --help 0.019 s -> 0.019 s +0 s / 0% 0.00x yes paired n=9, 25-75% delta -0.002 s..0.001 s Too small to matter

devenv / devenv shell

Group Probe Baseline -> current Raw change Impact Gate Evidence Why hidden
devenv / devenv shell Warm shell eval 9.418 s -> 9.339 s -0.079 s / -0.8% 0.00x yes paired n=5, 25-75% delta -0.405 s..0.418 s Too small to matter

devenv / genie

Group Probe Baseline -> current Raw change Impact Gate Evidence Why hidden
devenv / genie Genie run task 2.592 s -> 2.838 s +0.246 s / 9.5% 0.00x yes paired n=5, 25-75% delta -0.074 s..0.319 s Uncertain wall-clock movement

devenv / quality gates

Group Probe Baseline -> current Raw change Impact Gate Evidence Why hidden
devenv / quality gates Forced check:quick 18.67 s -> 19.528 s +0.858 s / 4.6% 0.00x yes paired n=3, 25-75% delta -2.394 s..-0.336 s Unchanged

devenv / workspace setup

Group Probe Baseline -> current Raw change Impact Gate Evidence Why hidden
devenv / workspace setup pnpm install task 1.64 s -> 1.716 s +0.076 s / 4.6% 0.00x yes paired n=5, 25-75% delta -0.03 s..0.267 s Too small to matter

nix / closures / packages

Group Probe Baseline -> current Raw change Impact Gate Evidence Why hidden
nix / closures / packages Total closure size 144.5 MiB -> 166 MiB +21.4 MiB / 14.8% 0.00x yes within_budget, baseline n=9, current n=1 Slightly higher, ok
nix / closures / packages Total serialized NAR size 144.5 MiB -> 166 MiB +21.4 MiB / 14.8% 0.00x yes within_budget, baseline n=9, current n=1 Slightly higher, ok
nix / closures / packages Total closure size 156.3 MiB -> 151.7 MiB -4.6 MiB / -3% 0.00x yes noise_floor, baseline n=9, current n=1 Too small to matter
nix / closures / packages Total serialized NAR size 156.3 MiB -> 151.7 MiB -4.6 MiB / -3% 0.00x yes within_budget, baseline n=9, current n=1 Slightly lower, ok
nix / closures / packages Total closure size 535.9 MiB -> 540.3 MiB +4.4 MiB / 0.8% 0.00x yes noise_floor, baseline n=9, current n=1 Too small to matter
nix / closures / packages Total serialized NAR size 535.9 MiB -> 540.3 MiB +4.4 MiB / 0.8% 0.00x yes within_budget, baseline n=9, current n=1 Slightly higher, ok
nix / closures / packages Total closure path count 79 count -> 79 count +0 count / 0% 0.00x yes noise_floor, baseline n=9, current n=1 Too small to matter
nix / closures / packages Total closure path count 5 count -> 5 count +0 count / 0% 0.00x yes noise_floor, baseline n=9, current n=1 Too small to matter
nix / closures / packages Total closure path count 8 count -> 8 count +0 count / 0% 0.00x yes noise_floor, baseline n=9, current n=1 Too small to matter
Diagnostic / ungated measurements (7)

source / effect-utils

Group Probe Current Baseline Impact Gate Reason Evidence
source / effect-utils Nix workspace tools lines 3995 lines 3694 lines diagnostic disabled Diagnostic only diagnostic, baseline n=9, current n=15
source / effect-utils Genie runtime lines 20858 lines 20566 lines diagnostic disabled Diagnostic only diagnostic, baseline n=9, current n=70
source / effect-utils Genie CI workflow helpers lines 7544 lines 7457 lines diagnostic disabled Diagnostic only diagnostic, baseline n=9, current n=9
source / effect-utils Genie runtime files 70 count 68 count diagnostic disabled Diagnostic only diagnostic, baseline n=9, current n=70
source / effect-utils Nix workspace tools files 15 count 14 count diagnostic disabled Diagnostic only diagnostic, baseline n=9, current n=15
source / effect-utils Genie CI workflow helpers files 9 count 9 count diagnostic disabled Diagnostic only diagnostic, baseline n=9, current n=9

devenv / devenv shell

Group Probe Current Baseline Impact Gate Reason Evidence
devenv / devenv shell Shell eval with OTEL trace 34.578 s n/a n/a missing_baseline No baseline yet missing_baseline, baseline n=0, current n=1
All measurements
Status Gate Target Observation Dimensions Baseline Current Delta Ratio Impact
pass yes Dev shell Warm cached check:quick aggregation=median
devenvRev=2cf62a010000b70f15c78a72761fad7c9e6fb47a
measuredSampleCount=5
measurementProtocol=devenv-perf-warm-median-v2
otelServiceName=devenv-perf-ci
pairedOrderProtocol=balanced-seeded-alternating-v1
pairedOrderSeed=28175062621-1-e9698b6af0ec5ca3b9d387ed15a6ddd8922f41db
pairedSampleCount=5
phase=warm
probe=task_check_quick_warm
probeLabel=Warm cached check:quick
sampleCount=11
status=0
taskCacheMode=warm
warmupCount=1
workload=cached-no-op		 3.341 s 2.86 s -0.481 s -14.4% -0.73x
pass yes Dev shell Genie check task aggregation=median
devenvRev=2cf62a010000b70f15c78a72761fad7c9e6fb47a
measuredSampleCount=5
measurementProtocol=devenv-perf-warm-median-v2
otelServiceName=devenv-perf-ci
pairedOrderProtocol=balanced-seeded-alternating-v1
pairedOrderSeed=28175062621-1-e9698b6af0ec5ca3b9d387ed15a6ddd8922f41db
pairedSampleCount=5
phase=warm
probe=genie_check_task
probeLabel=Genie check task
sampleCount=11
status=0
warmupCount=1		 4.018 s 4.667 s +0.649 s 16.2% +0.27x
pass yes Megarepo package Total closure size bucket=total 144.5 MiB 166 MiB +21.4 MiB 14.8% 0.00x
pass yes Megarepo package Total serialized NAR size bucket=total
sizeKind=nar		 144.5 MiB 166 MiB +21.4 MiB 14.8% 0.00x
pass yes oxlint npm package Total closure size bucket=total 156.3 MiB 151.7 MiB -4.6 MiB -3% 0.00x
pass yes oxlint npm package Total serialized NAR size bucket=total
sizeKind=nar		 156.3 MiB 151.7 MiB -4.6 MiB -3% 0.00x
pass yes Genie package Total closure size bucket=total 535.9 MiB 540.3 MiB +4.4 MiB 0.8% 0.00x
pass yes Genie package Total serialized NAR size bucket=total
sizeKind=nar		 535.9 MiB 540.3 MiB +4.4 MiB 0.8% 0.00x
pass disabled effect-utils repository Nix workspace tools lines scope=nix_workspace_tools 3694 lines 3995 lines +301 lines 8.1% diagnostic
pass disabled effect-utils repository Genie runtime lines scope=genie_runtime 20566 lines 20858 lines +292 lines 1.4% diagnostic
pass disabled effect-utils repository Genie CI workflow helpers lines scope=genie_ci_workflow 7457 lines 7544 lines +87 lines 1.2% diagnostic
pass disabled effect-utils repository Genie runtime files scope=genie_runtime 68 count 70 count +2 count 2.9% diagnostic
pass disabled effect-utils repository Nix workspace tools files scope=nix_workspace_tools 14 count 15 count +1 count 7.1% diagnostic
pass yes Dev shell Forced check:quick aggregation=median
devenvRev=2cf62a010000b70f15c78a72761fad7c9e6fb47a
measuredSampleCount=3
measurementProtocol=devenv-perf-warm-median-v2
otelServiceName=devenv-perf-ci
pairedOrderProtocol=balanced-seeded-alternating-v1
pairedOrderSeed=28175062621-1-e9698b6af0ec5ca3b9d387ed15a6ddd8922f41db
pairedSampleCount=3
phase=warm
probe=task_check_quick_forced
probeLabel=Forced check:quick
sampleCount=6
status=0
taskCacheMode=refresh
warmupCount=0
workload=forced-task-cache		 18.67 s 19.528 s +0.858 s 4.6% 0.00x
pass yes Dev shell Genie run task aggregation=median
devenvRev=2cf62a010000b70f15c78a72761fad7c9e6fb47a
measuredSampleCount=5
measurementProtocol=devenv-perf-warm-median-v2
otelServiceName=devenv-perf-ci
pairedOrderProtocol=balanced-seeded-alternating-v1
pairedOrderSeed=28175062621-1-e9698b6af0ec5ca3b9d387ed15a6ddd8922f41db
pairedSampleCount=5
phase=warm
probe=task_genie_run
probeLabel=Genie run task
sampleCount=11
status=0
warmupCount=1		 2.592 s 2.838 s +0.246 s 9.5% 0.00x
pass yes Dev shell Warm shell eval aggregation=median
devenvRev=2cf62a010000b70f15c78a72761fad7c9e6fb47a
measuredSampleCount=5
measurementProtocol=devenv-perf-warm-median-v2
otelServiceName=devenv-perf-ci
pairedOrderProtocol=balanced-seeded-alternating-v1
pairedOrderSeed=28175062621-1-e9698b6af0ec5ca3b9d387ed15a6ddd8922f41db
pairedSampleCount=5
phase=warm
probe=shell_eval_warm
probeLabel=Warm shell eval
sampleCount=11
status=0
warmupCount=1		 9.418 s 9.339 s -0.079 s -0.8% 0.00x
pass yes Dev shell pnpm install task aggregation=median
devenvRev=2cf62a010000b70f15c78a72761fad7c9e6fb47a
measuredSampleCount=5
measurementProtocol=devenv-perf-warm-median-v2
otelServiceName=devenv-perf-ci
pairedOrderProtocol=balanced-seeded-alternating-v1
pairedOrderSeed=28175062621-1-e9698b6af0ec5ca3b9d387ed15a6ddd8922f41db
pairedSampleCount=5
phase=warm
probe=task_pnpm_install
probeLabel=pnpm install task
sampleCount=11
status=0
warmupCount=1		 1.64 s 1.716 s +0.076 s 4.6% 0.00x
pass yes Dev shell devenv tasks list aggregation=median
devenvRev=2cf62a010000b70f15c78a72761fad7c9e6fb47a
measuredSampleCount=9
measurementProtocol=devenv-perf-warm-median-v2
otelServiceName=devenv-perf-ci
pairedOrderProtocol=balanced-seeded-alternating-v1
pairedOrderSeed=28175062621-1-e9698b6af0ec5ca3b9d387ed15a6ddd8922f41db
pairedSampleCount=9
phase=warm
probe=tasks_list
probeLabel=devenv tasks list
sampleCount=19
status=0
warmupCount=1		 0.105 s 0.076 s -0.029 s -27.6% 0.00x
pass yes Dev shell devenv processes --help aggregation=median
devenvRev=2cf62a010000b70f15c78a72761fad7c9e6fb47a
measuredSampleCount=9
measurementProtocol=devenv-perf-warm-median-v2
otelServiceName=devenv-perf-ci
pairedOrderProtocol=balanced-seeded-alternating-v1
pairedOrderSeed=28175062621-1-e9698b6af0ec5ca3b9d387ed15a6ddd8922f41db
pairedSampleCount=9
phase=warm
probe=processes_help
probeLabel=devenv processes --help
sampleCount=19
status=0
warmupCount=1		 0.019 s 0.019 s +0 s 0% 0.00x
pass disabled effect-utils repository Genie CI workflow helpers files scope=genie_ci_workflow 9 count 9 count +0 count 0% diagnostic
unknown missing_baseline Genie package Nix sources closure size bucket=nix-sources 0 B 0 B +0 B n/a n/a
unknown missing_baseline Megarepo package Nix sources closure size bucket=nix-sources 0 B 0 B +0 B n/a n/a
unknown missing_baseline oxlint npm package Nix sources closure size bucket=nix-sources 0 B 0 B +0 B n/a n/a
unknown missing_baseline Genie package Node / pnpm closure size bucket=node 0 B 0 B +0 B n/a n/a
unknown missing_baseline Megarepo package Node / pnpm closure size bucket=node 0 B 0 B +0 B n/a n/a
unknown missing_baseline oxlint npm package Node / pnpm closure size bucket=node 0 B 0 B +0 B n/a n/a
unknown missing_baseline Genie package Rust closure size bucket=rust 0 B 0 B +0 B n/a n/a
unknown missing_baseline Megarepo package Rust closure size bucket=rust 0 B 0 B +0 B n/a n/a
unknown missing_baseline oxlint npm package Rust closure size bucket=rust 0 B 0 B +0 B n/a n/a
pass yes Genie package Total closure path count bucket=total 79 count 79 count +0 count 0% 0.00x
pass yes Megarepo package Total closure path count bucket=total 5 count 5 count +0 count 0% 0.00x
pass yes oxlint npm package Total closure path count bucket=total 8 count 8 count +0 count 0% 0.00x
missing_baseline missing_baseline Dev shell Shell eval with OTEL trace aggregation=median
devenvRev=2cf62a010000b70f15c78a72761fad7c9e6fb47a
measuredSampleCount=1
measurementProtocol=devenv-perf-warm-median-v2
otelServiceName=devenv-perf-ci
pairedOrderProtocol=balanced-seeded-alternating-v1
pairedOrderSeed=28175062621-1-e9698b6af0ec5ca3b9d387ed15a6ddd8922f41db
pairedSampleCount=1
phase=warm
probe=shell_eval_traced
probeLabel=Shell eval with OTEL trace
sampleCount=2
status=0
warmupCount=0		 n/a 34.578 s n/a n/a n/a
Source-of-truth JSON 
{
  "schemaVersion": 1,
  "title": "CI Measurements",
  "status": "partial",
  "gate": "advisory",
  "readiness": "partial (17/26 enabled observations gateable)",
  "commit": {
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    "id": "28175062621",
    "attempt": "1",
    "url": "https://github.com/overengineeringstudio/effect-utils/actions/runs/28175062621"
  },
  "baseline": null,
  "protocol": "devenv-perf-warm-median-v2",
  "chart": {
    "meaning": "semantic-impact",
    "zeroImpactMeaning": "no actionable PR impact after budgets, noise floor, and robust evidence checks",
    "svg": "https://raw.githubusercontent.com/overengineeringstudio/effect-utils/ci-measurement-assets/ci-measurements/pr-842/e0803a97528b7afb9bddbee796e028a1933b78a2/run-28175062621-attempt-1/ci-measurements.svg",
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  },
  "measurements": [
    {
      "id": "task_check_quick_warm",
      "label": "Warm cached check:quick",
      "group": "devenv / quality gates",
      "path": [
        "devenv",
        "quality gates",
        "check:quick"
      ],
      "groupPath": [
        "devenv",
        "quality gates"
      ],
      "status": "pass",
      "direction": "improved",
      "gateable": true,
      "gateReason": "eligible",
      "confidence": "within_budget",
      "comparisonMode": "paired",
      "unit": "seconds",
      "baseline": 3.341,
      "current": 2.86,
      "delta": -0.4810000000000003,
      "ratio": 0.8560311284046692,
      "semanticImpactScore": -0.7273271475606098,
      "semanticImpactKind": "improvement",
      "baselineSources": 5,
      "currentSamples": 5,
      "pairedSamples": 5,
      "evidenceDeltaLower": -9.345,
      "evidenceDeltaUpper": -0.243,
      "pairedEvidenceQuantile": 0.25,
      "dimensions": {
        "workload": "cached-no-op",
        "taskCacheMode": "warm",
        "probe": "task_check_quick_warm",
        "probeLabel": "Warm cached check:quick",
        "status": 0,
        "sampleCount": 11,
        "warmupCount": 1,
        "measuredSampleCount": 5,
        "pairedSampleCount": 5,
        "pairedOrderProtocol": "balanced-seeded-alternating-v1",
        "pairedOrderSeed": "28175062621-1-e9698b6af0ec5ca3b9d387ed15a6ddd8922f41db",
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        "devenvRev": "2cf62a010000b70f15c78a72761fad7c9e6fb47a",
        "otelServiceName": "devenv-perf-ci"
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    },
    {
      "id": "genie_check_task",
      "label": "Genie check task",
      "group": "devenv / genie",
      "path": [
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        "genie"
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      "groupPath": [
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        "genie"
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      "status": "pass",
      "direction": "regressed",
      "gateable": true,
      "gateReason": "eligible",
      "confidence": "within_budget",
      "comparisonMode": "paired",
      "unit": "seconds",
      "baseline": 4.018,
      "current": 4.667,
      "delta": 0.649,
      "ratio": 1.1615231458437034,
      "semanticImpactScore": 0.2737680438028868,
      "semanticImpactKind": "below_warn_boundary",
      "baselineSources": 5,
      "currentSamples": 5,
      "pairedSamples": 5,
      "evidenceDeltaLower": 0.11,
      "evidenceDeltaUpper": 0.515,
      "pairedEvidenceQuantile": 0.25,
      "dimensions": {
        "probe": "genie_check_task",
        "probeLabel": "Genie check task",
        "status": 0,
        "sampleCount": 11,
        "warmupCount": 1,
        "measuredSampleCount": 5,
        "pairedSampleCount": 5,
        "pairedOrderProtocol": "balanced-seeded-alternating-v1",
        "pairedOrderSeed": "28175062621-1-e9698b6af0ec5ca3b9d387ed15a6ddd8922f41db",
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    {
      "id": "nix.closure.nar_size",
      "label": "Total closure size",
      "group": "nix / closures / packages",
      "path": [
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      "gateable": true,
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      "unit": "bytes",
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      "semanticImpactScore": 0,
      "semanticImpactKind": "neutral",
      "baselineSources": 9,
      "currentSamples": 1,
      "pairedSamples": 0,
      "evidenceDeltaLower": 11993088,
      "evidenceDeltaUpper": 32964608,
      "pairedEvidenceQuantile": 0.25,
      "dimensions": {
        "bucket": "total"
      }
    },
    {
      "id": "nix.closure.serialized_nar_size",
      "label": "Total serialized NAR size",
      "group": "nix / closures / packages",
      "path": [
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        "nix closure diagnostics"
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      "groupPath": [
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      "gateable": true,
      "gateReason": "eligible",
      "confidence": "within_budget",
      "comparisonMode": "diagnostic",
      "unit": "bytes",
      "baseline": 151540888,
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      "delta": 22478848,
      "ratio": 1.148335200464181,
      "semanticImpactScore": 0,
      "semanticImpactKind": "neutral",
      "baselineSources": 9,
      "currentSamples": 1,
      "pairedSamples": 0,
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      "evidenceDeltaUpper": 37632936.8,
      "pairedEvidenceQuantile": 0.25,
      "dimensions": {
        "bucket": "total",
        "sizeKind": "nar"
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    {
      "id": "nix.closure.nar_size",
      "label": "Total closure size",
      "group": "nix / closures / packages",
      "path": [
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        "oxlint-npm",
        "total",
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        "nix closure"
      ],
      "groupPath": [
        "nix",
        "closures",
        "packages"
      ],
      "status": "pass",
      "direction": "unchanged",
      "gateable": true,
      "gateReason": "eligible",
      "confidence": "noise_floor",
      "comparisonMode": "budget",
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github-actions Bot added a commit that referenced this pull request Jun 25, 2026
@github-actions
Update dark CI measurement chart PNG for PR #842
0ea32e3
@schickling schickling marked this pull request as ready for review June 25, 2026 16:37
@github-actions github-actions Bot requested a review from schickling June 25, 2026 16:37
@schickling schickling merged commit e5b2054 into main Jun 25, 2026
23 checks passed
@schickling schickling deleted the schickling/2026-06-25-utils-hash-contract branch June 25, 2026 16:37
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area:tooling Developer tooling, scripts, and utilities · Set: manual type:chore Maintenance, cleanup, dependencies, CI, or refactoring · Set: manual

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