Fix UTM param appending for URLs with fragments in RedirectAddAnalytics

Author: Copilot

src/Plugin/RedirectAddAnalytics.php

@@ -59,9 +59,14 @@ public function __construct(
       $path = $redirect->redirect_source__path;
       $query = $this->connection->update('redirect');
       $query->condition('rid', $redirect->rid);
+      $fragment = '';
+      if (str_contains($uri, '#')) {
+        [$uri, $fragment] = explode('#', $uri, 2);
+        $fragment = '#' . $fragment;
+      }
       $separator = str_contains($uri, '?') ? '&' : '?';
       $query->fields([
-        'redirect_redirect__uri' => $uri . $separator . 'utm_source=' . rawurlencode($path) . '&utm_campaign=redirect',
+        'redirect_redirect__uri' => $uri . $separator . 'utm_source=' . rawurlencode($path) . '&utm_campaign=redirect' . $fragment,
       ]);
       $query->execute();
     }