Only send Matrix notification on priority escalation, not title updates

Title changes (e.g. rising Power_On_Hours counter) were firing a Matrix
ping every hour. Notifications now only trigger when priority escalates
to a higher severity level.

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

create_ticket_api.php

@@ -265,14 +265,18 @@ if ($existing) {
                 ['reason' => 'auto-updated by hwmonDaemon (condition worsened)']
             ));
 
-            require_once __DIR__ . '/helpers/NotificationHelper.php';
+            // Only notify on priority escalation — title-only updates (e.g. rising
-            NotificationHelper::sendTicketNotification($existingId, [
+            // Power_On_Hours counter) should not generate a Matrix ping every hour.
-                'title'    => $title,
+            if (isset($changes['priority'])) {
-                'priority' => $newPriority < $existingPriority ? $newPriority : $existingPriority,
+                require_once __DIR__ . '/helpers/NotificationHelper.php';
-                'category' => $category,
+                NotificationHelper::sendTicketNotification($existingId, [
-                'type'     => $type,
+                    'title'    => $title,
-                'status'   => $existingStatus,
+                    'priority' => $changes['priority']['to'],
-            ], 'automated');
+                    'category' => $category,
+                    'type'     => $type,
+                    'status'   => $existingStatus,
+                ], 'automated');
+            }
         }
 
         $conn->close();