Building a Personal AI Factory (July 2025 snapshot)
https://www.john-rush.com/posts/ai-20250701.html
I keep several claude code windows open, each on its own git-worktree. o3 and sonnet 4 create plans, sonnet 3.7 or sonnet 4 execute the plan, and o3 checks the results against the original ask. Any issues found are fed back into the plan template and the code is regenerated. The factory improves itself.