Skill eval health — pr-review (holdout) #1857

Skill eval health — pr-review (holdout)

Outcome: regression — at least one held-out case regressed.

Report-only (Phase 1): a regression does not fail CI or block any merge.

Regressed cases

• deep-auth-session-rework — expected {"decision":"escalate","risk":"HIGH","escalate_to_opus":true,"key_findings":["touches authentication/session-token handling under src/auth/**, a HIGH-risk area that must escalate to the security auditor regardless of how clean the diff looks"]}, got null
• triage-clean-logic-fix — expected {"escalate":false,"risk":"MEDIUM"}, got null
• triage-db-migration — expected {"escalate":true,"risk":"HIGH"}, got null
• triage-boundary-refactor-escalate — expected {"escalate":true,"risk":"MEDIUM"}, got null
• deep-boundary-refactor-escalate — expected {"decision":"escalate","risk":"MEDIUM","escalate_to_opus":false,"key_findings":["decision gate 7 fails: the change crosses module boundaries and alters system shape, so deep review escalates for human and architectural review even though every other gate is green","the correct reason code is boundary-refactor, not poorly-structured — the PR is well structured; it escalates on structural-change grounds, not quality grounds","risk stays MEDIUM and the security-audit tier is not required — no high-risk area or anti-pattern is touched"]}, got null

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