How to build the control plane around AI agents — specs, rules and skills, tool allowlists, guardrails, eval gates, and durable audit/run state — so the model sits inside the harness, not on top of it.
What It Is
The control plane around coding / product agents
Six Layers
Spec — feature contract before generation
Anti-Patterns
Prompt-only “production”
Speed With Rails
Agents move fast only when the harness bounds the blast radius.