CI-optimized code review: multi-agent parallel review with confidence scoring and atomic GitHub PR review posting. Runs specialized review agents, scores findings, and submits a GitHub PR review via `post-review.sh`. Always executes `post-review.sh` to submit a review on every run (including zero-findings runs). Triggers: /ci-review, review PR, CI code review, automated PR review. Use: /ci-review <PR#> [focus text] [--full|--lean|--single] [--agent] [--model sonnet|opus] [--min-severity <level>]
