Initial commit: notification-elements-demo app

Interactive Angular 19 demo for @sda/notification-elements-ui with
6 sections: Bell & Feed, Notification Center, Inbox, Comments &
Threads, Mention Input, and Full-Featured layout. Includes mock
data, dark mode toggle, and real-time event log.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

node_modules/@jsonjoy.com/fs-node/lib/Dirent.d.ts

@@ -0,0 +1,26 @@
+import { Link } from '@jsonjoy.com/fs-core';
+import { TEncodingExtended, TDataOut } from '@jsonjoy.com/fs-node-utils';
+import type { IDirent } from '@jsonjoy.com/fs-node-utils/lib/types/misc';
+/**
+ * A directory entry, like `fs.Dirent`.
+ */
+export declare class Dirent implements IDirent {
+    static build(link: Link, encoding: TEncodingExtended | undefined): Dirent;
+    name: TDataOut;
+    parentPath: string;
+    private mode;
+    /**
+     * @deprecated Will be removed at any time.
+     * @see https://nodejs.org/api/deprecations.html#DEP0178
+     */
+    path: string;
+    private _checkModeProperty;
+    isDirectory(): boolean;
+    isFile(): boolean;
+    isBlockDevice(): boolean;
+    isCharacterDevice(): boolean;
+    isSymbolicLink(): boolean;
+    isFIFO(): boolean;
+    isSocket(): boolean;
+}
+export default Dirent;