cmux Review Review to reduce developer attention. Surface concrete correctness defects; suppress style, nits and speculative improvements unless requested. Default pre-merge review 1. Give a review subagent the task intent, base/head SHAs and exact diff. Ask for correctness first, then repository rules; keep discovery independent of the author's reasoning. Review policy edits against the base-branch rules. 2. Verify concrete findings, fix them when authorized, and push. Re-run the original discriminator after repair. A green test counts only if it exercises the asserted failure; prefer red-be…