fix: use server-side time_ago for notification timestamps

src/Controllers/ApiController.php

@@ -699,9 +699,14 @@ class ApiController
         $result = $notificationModel->getForUser((int) $user['id'], $page, $perPage);
         $unreadCount = $notificationModel->getUnreadCount((int) $user['id']);
 
+        $data = array_map(function ($n) {
+            $n['time_ago'] = time_ago($n['created_at'] ?? '');
+            return $n;
+        }, $result['data']);
+
         $this->view->json([
             'success' => true,
-            'data' => $result['data'],
+            'data' => $data,
             'pagination' => [
                 'page' => $result['page'],
                 'per_page' => $result['per_page'],

views/layouts/main.php

@@ -295,7 +295,7 @@ function renderNotifications(items, unreadCount) {
             + '<div class="notif-content">'
             + '<div class="notif-title">' + escapeHtml(n.title) + '</div>'
             + '<div class="notif-message">' + escapeHtml(n.message) + '</div>'
-            + '<div class="notif-time">' + timeAgo(n.created_at) + '</div>'
+            + '<div class="notif-time">' + (n.time_ago || '') + '</div>'
             + '</div>'
             + (n.is_read ? '' : '<div class="notif-dot"></div>')
             + '</div>';
@@ -374,18 +374,6 @@ function escapeHtml(str) {
     return d.innerHTML;
 }
 
-function timeAgo(dateStr) {
-    const now = new Date();
-    const d = new Date(dateStr.replace(' ', 'T') + (dateStr.includes('Z') ? '' : 'Z'));
-    const diff = Math.floor((now - d) / 1000);
-    if (diff < 60) return 'just now';
-    if (diff < 3600) return Math.floor(diff / 60) + 'm ago';
-    if (diff < 86400) return Math.floor(diff / 3600) + 'h ago';
-    const days = Math.floor(diff / 86400);
-    if (days < 7) return days + 'd ago';
-    return d.toLocaleDateString();
-}
-
 // Poll unread count every 60s
 setInterval(updateUnreadCount, 60000);
 // Initial fetch