Code-first OpenAPI contract for the Essentials admin/monitoring *Api SPIs (locks, queues, scheduler, event-store, CDC, statistics). The committed openapi/essentials-admin-api.yaml is generated from the SPI interfaces by reflection and kept in sync by a drift test; it is the single source of truth consumed by the admin-api-client-* modules.

HTTP adapter for the Essentials admin/monitoring SPIs (fenced locks, durable queues, scheduler, event store, CDC, PostgreSQL statistics). Exposes the contract defined by admin-api-spec over Spring WebMVC, delegating to the existing ...

Optional default admin UI for the Essentials admin API — server-rendered with Thymeleaf and progressively driven by vanilla JavaScript. No Node, no npm, no bundler and no JavaScript framework: the browser calls the published OpenAPI ...