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/@webassemblyjs/helper-buffer/esm/compare.js

@@ -0,0 +1,65 @@
+// this are dev dependencies
+var diff = require("jest-diff");
+
+var _require = require("jest-diff/build/constants"),
+    NO_DIFF_MESSAGE = _require.NO_DIFF_MESSAGE;
+
+var _require2 = require("@webassemblyjs/wasm-parser"),
+    decode = _require2.decode;
+
+var oldConsoleLog = console.log;
+export function compareArrayBuffers(l, r) {
+  /**
+   * Decode left
+   */
+  var bufferL = "";
+
+  console.log = function () {
+    for (var _len = arguments.length, texts = new Array(_len), _key = 0; _key < _len; _key++) {
+      texts[_key] = arguments[_key];
+    }
+
+    return bufferL += texts.join("") + "\n";
+  };
+
+  try {
+    decode(l, {
+      dump: true
+    });
+  } catch (e) {
+    console.error(bufferL);
+    console.error(e);
+    throw e;
+  }
+  /**
+   * Decode right
+   */
+
+
+  var bufferR = "";
+
+  console.log = function () {
+    for (var _len2 = arguments.length, texts = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+      texts[_key2] = arguments[_key2];
+    }
+
+    return bufferR += texts.join("") + "\n";
+  };
+
+  try {
+    decode(r, {
+      dump: true
+    });
+  } catch (e) {
+    console.error(bufferR);
+    console.error(e);
+    throw e;
+  }
+
+  console.log = oldConsoleLog;
+  var out = diff(bufferL, bufferR);
+
+  if (out !== null && out !== NO_DIFF_MESSAGE) {
+    throw new Error("\n" + out);
+  }
+}