Use this whenever creating, editing, or reviewing XDB plugin files (*.xdb.js), or authoring third-party extensions for the xdb module's plugin system. Covers the registration API exposed on the XdbApp context (registerView, registerDatabaseView, registerViewSettings, registerViewSettingsTab, registerDatabaseViewRowStyleProvider, registerCardCoverView, registerButtonStep, registerStyleSheet), the install/onUpdate/onDestroy lifecycle, configuration ownership, and repeatable rendering patterns. Trigger on .xdb.js files, XDB plugin authoring, xdb extension/extension-point work.
2026-07-03