yao-meta-skill/reports/iteration_ledger.md

Iteration Ledger

System Milestones

Date	Label	Trigger Cases	FP	FN	Route Accuracy	Notes
2026-03-31	Context First Pack	66	0	0	-	added tiered context budgets; added unused resource detection and quality density; added root and example context budget reports
2026-03-31	Family Suite Expansion	66	0	0	-	expanded the family-based trigger suite; published the homepage eval dashboard
2026-03-31	Governance Quality Gates	66	0	0	-	added runnable governance checks; added resource-boundary checks; wired both into make test
2026-03-31	Governed Assets And History	66	0	0	-	added governance maturity scoring; added regression history snapshots and renderer; added governed incident-command example
2026-04-01	Route Scorecard Foundation	13	0	0	1.0	added route confusion matrix for sibling skills and no-route cases; published route scorecard and iteration ledger foundation

Description Optimization Milestones

Date	Label	Target	Blind Errors	Judge Blind Errors	Judge Agreement	Adversarial Errors	Adversarial Gap	Adversarial Risk	Drift Note
2026-03-31	Description Optimization Suite	yao-meta-skill	-	-	-	-	-	-	initial description optimization suite without blind holdout
2026-03-31	Description Optimization Suite	team-frontend-review	-	-	-	-	-	-	compressed example description and stored first holdout report
2026-03-31	Description Optimization Suite	governed-incident-command	-	-	-	-	-	-	compressed governed description and reduced visible holdout misses
2026-04-01	Adversarial Calibration And Family Drift	yao-meta-skill	0	-	-	0	0.834	healthy	tokens stable; blind stable at 0; adversarial gate added with 0 errors; holdout stable at 0; adversarial calibration +0.834; risk n/a -> healthy
2026-04-01	Adversarial Calibration And Family Drift	team-frontend-review	0	-	-	0	0.509	healthy	tokens stable; blind stable at 0; adversarial gate added with 0 errors; holdout stable at 0; adversarial calibration +0.509; risk n/a -> healthy
2026-04-01	Adversarial Calibration And Family Drift	governed-incident-command	0	-	-	0	0.598	healthy	tokens stable; blind stable at 0; adversarial gate added with 0 errors; holdout stable at 1; adversarial calibration +0.598; risk n/a -> healthy
2026-04-01	Blind Holdout And Drift History	yao-meta-skill	0	-	-	-	-	-	tokens stable; blind gate added with 0 errors; holdout stable at 0
2026-04-01	Blind Holdout And Drift History	team-frontend-review	0	-	-	-	-	-	tokens stable; blind gate added with 0 errors; holdout stable at 0
2026-04-01	Blind Holdout And Drift History	governed-incident-command	0	-	-	-	-	-	tokens stable; blind gate added with 0 errors; holdout stable at 1
2026-04-01	Judge-Backed Blind Eval	yao-meta-skill	0	0	1.0	0	0.834	healthy	tokens stable; blind stable at 0; adversarial gate added with 0 errors; holdout stable at 0; adversarial calibration +0.834; risk n/a -> healthy
2026-04-01	Judge-Backed Blind Eval	team-frontend-review	0	0	1.0	0	0.509	healthy	tokens stable; blind stable at 0; adversarial gate added with 0 errors; holdout stable at 0; adversarial calibration +0.509; risk n/a -> healthy
2026-04-01	Judge-Backed Blind Eval	governed-incident-command	0	0	1.0	0	0.598	healthy	tokens stable; blind stable at 0; adversarial gate added with 0 errors; holdout stable at 1; adversarial calibration +0.598; risk n/a -> healthy

Current Promotion Decisions

Target	Decision	Winner	Causes	Next Action
yao-meta-skill	keep_current	Current	no_candidate_outperformed_current	Keep the current description and open a new candidate only when fresh route evidence appears.
team-frontend-review	keep_current	Current	no_candidate_outperformed_current, current_holdout_risk	Keep the current description and open a new candidate only when fresh route evidence appears.
governed-incident-command	keep_current	Current	no_candidate_outperformed_current, current_holdout_gap_present, current_holdout_risk, adversarial_watch_risk	Keep the current description and open a new candidate only when fresh route evidence appears.

Current Route Scorecard

• total cases: 13
• accuracy: 1.0
• ambiguous cases: 0

Route	Precision	Recall	Avg Margin
yao-meta-skill	1.0	1.0	0.701
team-frontend-review	1.0	1.0	0.805
governed-incident-command	1.0	1.0	0.586
no_route	1.0	1.0	-