[JacobStephens2]

Summary

Measured the Security review’s two candidate modes on three recent merged PRs, for the Day shift’s choice.

3 merged PRs × 2 modes × 2 Harnesses = 12 report-only sessions
├── measurements → docs/research/security-review-mode-trial.md
└── finding details → private grading file, mode 600

Claude Code ran claude-opus-5-5 at medium; Codex ran gpt-6.1-sol at xhigh. Each session used its own clone without remotes, with at most two trial sessions active and a 45-minute timeout. The note documents cached-token accounting and the limits of this Rust-only, source-only sample. The Day shift’s grades and mode choice remain open.

Closes #549

Evidence

• Before: no diff-mode comparison covering these twelve cells existed at the Base branch.
  After: all twelve sessions completed; all six full audits passed both native validators. The delivery check verified every clone clean and remote-free, every private finding retained with a blank grade, mode 600, and no finding titles/details in the note or this body.
• Passed cargo check --all-targets, cargo fmt --check, cargo clippy --all-targets -- -D warnings, and all five packaging tests.
• Passed all 65 Node validator tests and the full cargo test suite: 1,503 passed, one ignored, zero failed.

Merge Danger

Door: two-way

A research note; reverting it changes no factory behavior. Finding details stay on this machine.

Blast Radius: research

Unaddressed findings

Standards

None. Zero findings.

Spec

None. Zero findings.

Review coverage

Fixed point: issue-427, pinned to its upstream commit 2ddf4b78da3bc00b47ba02ec4584180090f0ee7f.

Both Standards and Spec read the only changed file, docs/research/security-review-mode-trial.md. Changed files left unread: none. Each reviewer’s final report and files-read list are saved locally in .thirdshift-review-gojJXZ/standards.md and .thirdshift-review-gojJXZ/spec.md.

Built with codex · gpt-6.1-sol · xhigh