fix: license key warning no longer shows during uninstall

Check if com_mokosuitecross is still in #__extensions before warning
about missing license key. Prevents the warning from firing during
package uninstall when the update site row is already deleted.

CHANGELOG.md

@@ -31,6 +31,7 @@
 - **Medium**: Fixed getUserId() returning array instead of string on error
 - **Bluesky**: Replaced md5() with hash('sha256', ...) for cache key
 - **ServiceController**: Exception details no longer exposed to client
+- **License warning**: No longer shows during extension uninstall when component is being removed
 
 ## [01.04.01] --- 2026-06-21
 

source/packages/plg_system_mokosuitecross/src/Extension/MokoSuiteCross.php

@@ -117,6 +117,19 @@ class MokoSuiteCross extends CMSPlugin implements SubscriberInterface
         try {
             $db = Factory::getDbo();
 
+            // Don't warn if the component is not installed (e.g. during uninstall)
+            $componentExists = $db->setQuery(
+                $db->getQuery(true)
+                    ->select('COUNT(*)')
+                    ->from($db->quoteName('#__extensions'))
+                    ->where($db->quoteName('type') . ' = ' . $db->quote('component'))
+                    ->where($db->quoteName('element') . ' = ' . $db->quote('com_mokosuitecross'))
+            )->loadResult();
+
+            if (!$componentExists) {
+                return;
+            }
+
             $query = $db->getQuery(true)
                 ->select($db->quoteName('extra_query'))
                 ->from($db->quoteName('#__update_sites'))