separated utils from room template

static/js/utils.js

@@ -0,0 +1,15 @@
+// Utility functions for DocuPulse
+
+/**
+ * Formats a Unix timestamp into a localized date and time string
+ * @param {number} ts - Unix timestamp in seconds
+ * @returns {string} Formatted date and time string
+ */
+function formatDate(ts) {
+    if (!ts) return '';
+    const d = new Date(ts * 1000);
+    return d.toLocaleDateString() + ' ' + d.toLocaleTimeString([], {hour: '2-digit', minute:'2-digit'});
+}
+
+// Export the functions
+export { formatDate };