Human-on-the-Loop: AI Reviewing AI PRs at cortex -- 769 PRs/month while raising the quality bar

Series Part 3. The common critiques of AI-assisted development -- 'review becomes the new bottleneck' and 'AI code drops the quality bar' -- largely don't apply when AI also does the reviewing. Full walkthrough of our pipeline: webhook -> cpg context -> AI review with [Graph]/[Doc]/[Impact] tags -> auto-fix by a separate AI -> re-review -> auto-merge -> parallel deploy. 769 PRs merged in 30 days,…