Comparing a feedback-time PR commit directly with the landing merge lets unrelated target-branch changes satisfy a review comment and creates false adoption evidence.
Define feedback-time and final PR-specific patch snapshots, fail closed when the landing shape cannot be reconstructed, and require a target-only negative control before implementation.
A saved complete-file candidate could overwrite newer skill guidance, while a provider-wide outage was indistinguishable from a healthy no-op run. Record the source blob and provenance, reject drift during promotion, and make total adapter failure visible.
Align cadence and feedback acquisition with the evidence contract, and narrow the borrowed-state and negative-control checks so they do not contradict the package and testing standards.
A private out-of-repo maintainer tool turns adopted human review feedback
into candidate skill updates. Only the resulting SKILL.md diff enters this
repository through normal PR review; the tool source, adapter binaries,
provider credentials, and scheduler stay on the maintainer's machine to
keep this repository focused on shipped product code. Kept in proposed/
until end-to-end verification against master lands a candidate PR; the
acceptance criteria list the exact observations that unlock promotion.