cross-review
One-shot second-opinion review of a real diff by a DIFFERENT model (Codex or Antigravity) — advisory only, board-recorded. Triggers on: cross review, second opinion, ask another model to review, pre-merge check from codex.
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.