Jev in the Agent Runtime

That is the position. Jev belongs in a decision layer answering a small set of calibratable, auditable questions, while the planner, tool execution and side effects stay with the existing harness. It supplies route, score, gate and escalation signals rather than owning the workflow.

No, and that is one of three explicit warnings. Confidence is not permission, type safety is not semantic safety, and no answer is not the same as a low score. Even when confidence is high, the tool broker still has to re-check actor, scope, resource state and retry behaviour.

Only under stated conditions: the questions have to be independent, the rubrics stable, and offline evaluation possible. The post also warns that composite scoring is not a single truth score, so inspect the underlying distribution rather than trusting the rolled-up number.

No, they are called architecture probes, explicitly not TypeSafe guarantees or evidence of production reliability. The recommended first build is a small IT intent router so the gate is measurable, rather than a demo that only shows a happy path.

Planner (a frontier LLM or the existing agent), decision layer (Jev or another typed classifier), tool broker (code checking permissions, schema, timeout, idempotency and retry), side-effect executor (code plus policy), and review boundary (humans and workflow). Jev belongs to the decision layer only.

The post proposes logging the state snapshot, the question version, the confidence and the policy version together, so a routing decision can be replayed and reviewed rather than discarded once prose is produced.

A small IT intent router, so the gate is measurable, rather than a demo that only exercises a happy path. The community projects the post cites are architecture probes, explicitly not TypeSafe guarantees or evidence of production reliability.