A routing policy panel — ordered first-match-wins rules with testable condition chips, per-rule switches with optimistic rollback, a health-aware fallback chain, and a prompt tester that names the rule which claims a request and the ones never asked.
npx shadcn@latest add @zyeon/model-routerZyeon UI limits how often it can be asked, and Model Router hasn't had its turn. Its source will show here once it has.