Update checkpoints to show Human + AI collaboration

AI can assist with architectural fit evaluation and help craft
reasoning for building consensus through better email communication.

Author: claude

REV/CLAUDE.md

@@ -96,15 +96,15 @@ DEVELOP ──► SUBMIT WITH PATCH ──► REVIEW CYCLE ──► COMMIT
 
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-## Critical Human Checkpoints
-
-These CANNOT be automated—humans must:
-
-1. **Test with real data** on real systems
-2. **Verify architectural fit** with PostgreSQL design
-3. **Build community consensus** on the approach
-4. **Engage with reviewers** throughout the process
-5. **Make final judgment calls** on trade-offs
+## Human + AI Collaboration
+
+| Task | Human | AI Assists |
+|------|:-----:|------------|
+| **Test with real data** | Required | - |
+| **Evaluate architectural fit** | Final call | @pg-review analyzes patterns and fit |
+| **Build community consensus** | Owns relationships | @pg-hackers-letter crafts reasoning |
+| **Engage with reviewers** | Required | @pg-feedback structures responses |
+| **Final judgment calls** | Required | - |
 
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