alexion
9b40d9f4e5
Turn a benchmark run into a three-arm experiment: alongside the new-skill and no-skill arms, add a previous-version arm materialized from the default branch's HEAD, drawn automatically whenever the skill's directory differs from HEAD and degrading to the two-arm efficacy-only shape otherwise. Two blind head-to-heads now fall out per trial — efficacy (new-vs-no-skill) and regression (new-vs-old). The deterministic core dispatches a pass rule per comparison (efficacy at wins>=3 and losses<=1, regression at losses<=1 with no wins floor), gates only Efficacy on the hard assertion, and yields a second skill-level Regression verdict, green when no case regressed and not-applicable on a two-arm run. The report gains a second badge, a headline reading both verdicts together, a previous-version cost row with a two-ratio footnote, and per-case side-by-side comparisons that auto-expand on any failure or flagged loss to show the losing-trial output pair. The fixture test covers both shapes in one test: a three-arm run asserting per-arm metrics, both per-case and skill-level verdicts, the net margins, the three-row cost table and losing-trial evidence, and the two-arm run retained as the degenerate no-previous-version case.
516 lines
13 KiB
JSON
516 lines
13 KiB
JSON
{
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"skill": "sample-skill-2arm",
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"generatedAt": "2026-07-24T12:00:00Z",
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"temperature": 1.0,
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"trialsPerCase": 5,
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"arms": [
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{
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"id": "new",
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"label": "New skill"
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},
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{
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"id": "baseline",
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"label": "No skill"
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}
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],
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"comparisons": [
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{
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"id": "efficacy",
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"label": "Efficacy",
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"new": "new",
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"against": "baseline",
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"rule": "efficacy"
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}
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],
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"cases": [
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{
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"name": "clean-pass",
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"description": "New skill reliably beats the no-skill baseline.",
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"softCriteria": [
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"The answer is grounded in the fixture.",
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"The answer follows the skill's format."
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],
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"trials": [
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{
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"comparisons": {
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"efficacy": {
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"winner": "new",
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"rationale": "judge: efficacy new"
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}
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},
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"outputs": {
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"new": "OUT-new-clean-pass-t0",
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"baseline": "OUT-baseline-clean-pass-t0"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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},
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"hard": {
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"ran": true,
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"pass": true
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "new",
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"rationale": "judge: efficacy new"
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}
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},
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"outputs": {
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"new": "OUT-new-clean-pass-t1",
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"baseline": "OUT-baseline-clean-pass-t1"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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},
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"hard": {
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"ran": true,
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"pass": true
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "new",
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"rationale": "judge: efficacy new"
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}
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},
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"outputs": {
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"new": "OUT-new-clean-pass-t2",
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"baseline": "OUT-baseline-clean-pass-t2"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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},
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"hard": {
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"ran": true,
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"pass": true
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "new",
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"rationale": "judge: efficacy new"
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}
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},
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"outputs": {
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"new": "OUT-new-clean-pass-t3",
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"baseline": "OUT-baseline-clean-pass-t3"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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},
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"hard": {
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"ran": true,
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"pass": true
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "tie",
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"rationale": "judge: efficacy tie"
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}
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},
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"outputs": {
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"new": "OUT-new-clean-pass-t4",
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"baseline": "OUT-baseline-clean-pass-t4"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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},
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"hard": {
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"ran": true,
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"pass": true
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}
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}
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]
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},
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{
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"name": "regresses-baseline",
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"description": "New skill does not reliably beat the baseline.",
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"softCriteria": [
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"The answer resolves the user's request."
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],
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"trials": [
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{
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"comparisons": {
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"efficacy": {
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"winner": "new",
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"rationale": "judge: efficacy new"
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}
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},
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"outputs": {
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"new": "OUT-new-regresses-baseline-t0",
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"baseline": "OUT-baseline-regresses-baseline-t0"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "new",
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"rationale": "judge: efficacy new"
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}
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},
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"outputs": {
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"new": "OUT-new-regresses-baseline-t1",
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"baseline": "OUT-baseline-regresses-baseline-t1"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "tie",
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"rationale": "judge: efficacy tie"
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}
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},
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"outputs": {
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"new": "OUT-new-regresses-baseline-t2",
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"baseline": "OUT-baseline-regresses-baseline-t2"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "baseline",
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"rationale": "judge: efficacy baseline"
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}
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},
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"outputs": {
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"new": "OUT-new-regresses-baseline-t3",
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"baseline": "OUT-baseline-regresses-baseline-t3"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "baseline",
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"rationale": "judge: efficacy baseline"
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}
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},
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"outputs": {
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"new": "OUT-new-regresses-baseline-t4",
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"baseline": "OUT-baseline-regresses-baseline-t4"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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}
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}
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]
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},
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{
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"name": "hard-gate-fail",
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"description": "Output wins the head-to-head but violates a hard assertion.",
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"softCriteria": [
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"The output is correct."
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],
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"trials": [
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{
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"comparisons": {
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"efficacy": {
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"winner": "new",
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"rationale": "judge: efficacy new"
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}
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},
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"outputs": {
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"new": "OUT-new-hard-gate-fail-t0",
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"baseline": "OUT-baseline-hard-gate-fail-t0"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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},
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"hard": {
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"ran": true,
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"pass": true
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "new",
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"rationale": "judge: efficacy new"
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}
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},
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"outputs": {
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"new": "OUT-new-hard-gate-fail-t1",
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"baseline": "OUT-baseline-hard-gate-fail-t1"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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},
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"hard": {
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"ran": true,
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"pass": true
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "new",
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"rationale": "judge: efficacy new"
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}
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},
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"outputs": {
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"new": "OUT-new-hard-gate-fail-t2",
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"baseline": "OUT-baseline-hard-gate-fail-t2"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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},
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"hard": {
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"ran": true,
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"pass": false
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "new",
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"rationale": "judge: efficacy new"
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}
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},
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"outputs": {
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"new": "OUT-new-hard-gate-fail-t3",
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"baseline": "OUT-baseline-hard-gate-fail-t3"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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},
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"hard": {
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"ran": true,
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"pass": true
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}
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},
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{
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"comparisons": {
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"efficacy": {
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"winner": "new",
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"rationale": "judge: efficacy new"
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}
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},
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"outputs": {
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"new": "OUT-new-hard-gate-fail-t4",
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"baseline": "OUT-baseline-hard-gate-fail-t4"
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},
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"usage": {
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"new": {
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"input": 1000,
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"output": 2000,
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"cacheCreation": 400,
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"cacheRead": 8000,
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"turns": 3
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},
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"baseline": {
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"input": 500,
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"output": 1000,
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"cacheCreation": 200,
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"cacheRead": 4000,
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"turns": 2
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}
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},
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"hard": {
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"ran": true,
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"pass": true
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}
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}
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]
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}
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]
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}
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