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How to refine rules after incidents and keep gates current with Gap Trap

Find rules without gates and stale contracts, then turn lessons from commit history into one PR.

Who it is forA maintainer of a gap-trap-managed repo who has had a bug from agent code or who runs the review about once a month.

The problemRules drift away from the code, contracts name code that no longer exists, and lessons from incidents stay in commit history.

The outcomeOne pull request that adds missing gates, fixes stale contracts, and records lessons in the playbooks.

What you need first

  • A git repository you want to set up
  • Claude Code (Opus or better) or Codex (frontier coding model at high reasoning), since the skill stops on smaller models
  • The skills CLI via npx, or a git clone for a manual install
  • Your repo's test command, and git, grep, and awk for non-Node and non-Python repos

Steps

  1. Run /gap-trap refine in the managed repository.
  2. Read the proposed findings: rules without gates, contracts naming missing code, and lessons from the commit history.
  3. Check that each proposed playbook entry matches a real incident in the history.
  4. Review and merge the single PR the skill proposes.

Prompt for your agent

In the repo at <repo-path>, run `/gap-trap refine`. Return the list of rules without gates, stale contracts, and proposed playbook lessons. Verify that each lesson cites a real commit from `git log`.

Caveat. Refine proposes one PR, so the maintainer must still review the lessons it writes into playbooks.

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