Increment topic subscriber totals after direct DB write

Author: premtsd-code

src/Migration/Destinations/Appwrite.php

@@ -1942,6 +1942,15 @@ protected function createSubscriber(Subscriber $resource): void
                 $resource->getProviderType(),
             ]),
         ]));
+
+        $totalAttribute = match ($resource->getProviderType()) {
+            'email' => 'emailTotal',
+            'sms' => 'smsTotal',
+            'push' => 'pushTotal',
+            default => throw new \Exception('Unknown provider type: ' . $resource->getProviderType()),
+        };
+
+        $this->database->increaseDocumentAttribute('topics', $resource->getTopicId(), $totalAttribute);
     }
 
     /**