feat(dees-appui-base): overhaul AppUI core: replace simple view rendering with a full-featured ViewRegistry (caching, hide/show lifecycle, async lazy-loading), introduce view lifecycle hooks and activation context, add activity log API/component, remove built-in router and state manager, and update configuration interfaces and demos

ts_web/elements/00group-appui/dees-appui-base/index.ts

@@ -1,4 +1,2 @@
 export * from './dees-appui-base.js';
 export * from './view.registry.js';
-export * from './app.router.js';
-export * from './state.manager.js';