A per-environment feature flag table — production toggles gated behind a confirmation that repeats the flag key, rollout percentage kept orthogonal to on/off, optimistic switches that roll back one at a time, expandable targeting rules, and real loading/empty/error states.
npx shadcn@latest add @zyeon/feature-flag-listZyeon UI limits how often it can be asked, and Feature Flag List hasn't had its turn. Its source will show here once it has.