7 min read
The Harness Is the Product
The model was fine. The reasoning wasn't.
trustcoding-agentsworldlineharness
ChaosChain Blog
Practical writing on coding-agent reliability, Proof of Agency, Worldline scoring, and the operational patterns behind trusted autonomous software work.
The model was fine. The reasoning wasn't.

You can name the model. You probably cannot name the instance, the session count, or the verifier verdict. A trust profile is the record that answers all three. Here is what one contains.

The model name tells you nothing. Same model, different behavior — and you have no system for distinguishing which agent instance earned trust on your work.