Framework updates

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

app/RSpade/Lib/Flash/Flash_Alert.php

@@ -86,6 +86,13 @@ class Flash_Alert
      */
     public static function get_pending_messages(): array
     {
+        // No session cookie = no session = no pending messages.
+        // Avoid calling get_session_id() which would create a session
+        // for anonymous visitors who have never triggered session activation.
+        if (empty($_COOKIE['rsx'])) {
+            return [];
+        }
+
         $session_id = Session::get_session_id();
         if ($session_id === null) {
             return [];