Individual skill

edit-manifest

Implements a predict-verify loop for harness edits. Every SKILL.md, rules/*.md, or CLAUDE.md change is paired with a predicted impact stored in a manifest. The next session verifies predictions against actual outcomes, and a validation gate accepts edits only when improvement is measurable. Runs automatically on harvest-loop Step 0-c and on explicit invocation.

plugins/fh-meta/skills/edit-manifest/SKILL.md

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Last checked
Nov 6, 2026

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31
Repository last updated
Nov 9, 2026
License
MIT

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

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# edit-manifest — Predict-Verify Loop for Harness Edits

> Implements two mechanisms from frontier harness research, named as in their source papers (both terms
> are the papers' own — verified 2026-06-17 against arXiv full text):
> - **Change Manifest** (AHE, arXiv:2604.25850): each edit attaches a manifest entry declaring a
>   falsifiable predicted impact (expected fixes + at-risk regressions); the next round intersects it
>   with observed task-level deltas to produce a per-edit verdict. (Paper: "the Evolve Agent produces a
>   change manifest…".)
> - **Validation Gate** (SkillOpt, arXiv:2605.23904): a candidate is accepted only when its
>   selection-split score is strictly greater than the current selection score (ties rejected); rejected
>   edits are kept in an epoch-local buffer, not silently discarded. (Paper: "validation gate" /
>   "held-out gate".)

FH's regression_guard.sh catches backward regressions. edit-manifest closes the forward