Everyone is arguing about which model plans best. I ran 170 goals and found out the model was never the variable. The plan was. I built a small engine called PlannerCritic : one LLM writes a plan, a second LLM reviews it, and a set of deterministic gates decides whether it's allowed to move forward. Then I pointed it at 170 real change-planning goals across 40 domains, including identity management, multi-agent ops, SRE, supply chain policy, and FinOps. Total cost: $0.49. The resul...