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/@tufjs/models/dist/signature.js

@@ -0,0 +1,38 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Signature = void 0;
+/**
+ * A container class containing information about a signature.
+ *
+ * Contains a signature and the keyid uniquely identifying the key used
+ * to generate the signature.
+ *
+ * Provide a `fromJSON` method to create a Signature from a JSON object.
+ */
+class Signature {
+    constructor(options) {
+        const { keyID, sig } = options;
+        this.keyID = keyID;
+        this.sig = sig;
+    }
+    toJSON() {
+        return {
+            keyid: this.keyID,
+            sig: this.sig,
+        };
+    }
+    static fromJSON(data) {
+        const { keyid, sig } = data;
+        if (typeof keyid !== 'string') {
+            throw new TypeError('keyid must be a string');
+        }
+        if (typeof sig !== 'string') {
+            throw new TypeError('sig must be a string');
+        }
+        return new Signature({
+            keyID: keyid,
+            sig: sig,
+        });
+    }
+}
+exports.Signature = Signature;