diff --git a/src/Controller/MetadataProfileController.php b/src/Controller/MetadataProfileController.php
index 18a8154..1a1135e 100644
--- a/src/Controller/MetadataProfileController.php
+++ b/src/Controller/MetadataProfileController.php
@@ -194,11 +194,13 @@ class MetadataProfileController extends ControllerBase {
       $container->get('entity_type.manager'),
     );
   }
+
   /**
    * Builds a reverse map of field name → indexed field entries across all
    * Search API indexes.
    *
    * Map structure:
+   *
    * @code
    * [
    *   'field_abstract' => [
@@ -241,12 +243,12 @@ class MetadataProfileController extends ControllerBase {
     $facetsByFieldId = [];
     foreach ($this->allFacets as $facet_id => $facet) {
       $facetsByFieldId[$facet->get('field_identifier')][] = [
-        'field_identifier'    => $facet->get('field_identifier'),
-        'facet_name'          => $facet->getName(),
-        'facet_machine_name'  => $facet_id,
-        'facet_source'        => $facet->getFacetSourceId(),
-        'url_alias'           => $facet->getUrlAlias(),
-        'block_visible'       => $this->getBlockVisible($facet),
+        'field_identifier' => $facet->get('field_identifier'),
+        'facet_name' => $facet->getName(),
+        'facet_machine_name' => $facet_id,
+        'facet_source' => $facet->getFacetSourceId(),
+        'url_alias' => $facet->getUrlAlias(),
+        'block_visible' => $this->getBlockVisible($facet),
       ];
     }
 
@@ -329,7 +331,8 @@ class MetadataProfileController extends ControllerBase {
    *   The bundle configuration object.
    *
    * @return array
-   *   A render array containing the bundle label, machine name, and description.
+   *   A render array containing the bundle label, machine name, and
+   *   description.
    */
   protected function formatBundle(Config $bundle) {
     if (str_starts_with($bundle->getName(), 'node.type')) {
@@ -490,8 +493,8 @@ class MetadataProfileController extends ControllerBase {
 
     return [
       'in_search_api' => !empty($indexed_fields),
-      'has_facet'     => $has_facet,
-      'fields'        => $indexed_fields,
+      'has_facet' => $has_facet,
+      'fields' => $indexed_fields,
     ];
   }
 
@@ -621,24 +624,24 @@ class MetadataProfileController extends ControllerBase {
     // Resolve included fields for aggregate / EDTF paths.
     $fields_included = match ($property_path) {
       'aggregated_field' => $field_setting['configuration']['fields'] ?? [],
-      'edtf_year'  => $index_config->get('processor_settings.edtf_year_only.fields') ?? [],
+      'edtf_year' => $index_config->get('processor_settings.edtf_year_only.fields') ?? [],
       'edtf_dates' => $index_config->get('processor_settings.edtf_date_processor.fields') ?? [],
       default => [],
     };
 
     // O(1) facet lookup from the pre-built map.
-    $facets   = $facets_by_field_id[$field_setting_name] ?? [];
+    $facets = $facets_by_field_id[$field_setting_name] ?? [];
     $has_facet = !empty($facets);
 
     return [
-      'search_api_field_name'  => $field_setting_name,
+      'search_api_field_name' => $field_setting_name,
       'search_api_field_label' => $field_setting['label'] ?? '',
-      'property_path'          => $property_path,
-      'type'                   => $field_setting['type'] ?? '',
-      'index_name'             => $index_config->get('name'),
-      'fields_included'        => $fields_included,
-      'has_facet'              => $has_facet,
-      'facets'                 => $facets,
+      'property_path' => $property_path,
+      'type' => $field_setting['type'] ?? '',
+      'index_name' => $index_config->get('name'),
+      'fields_included' => $fields_included,
+      'has_facet' => $has_facet,
+      'facets' => $facets,
     ];
   }
 
@@ -810,7 +813,7 @@ class MetadataProfileController extends ControllerBase {
 
     // Default sort if no column has been clicked yet.
     if (!$order) {
-      usort($rows, function ($a, $b) {
+      usort($rows, function($a, $b) {
         return ($b[11] ?? 0) <=> ($a[11] ?? 0);
       });
       return;
@@ -829,7 +832,7 @@ class MetadataProfileController extends ControllerBase {
       return;
     }
 
-    usort($rows, function ($a, $b) use ($column_index, $sort) {
+    usort($rows, function($a, $b) use ($column_index, $sort) {
       $a_value = $this->extractSortableValue($a[$column_index] ?? '');
       $b_value = $this->extractSortableValue($b[$column_index] ?? '');
 
@@ -1397,7 +1400,7 @@ class MetadataProfileController extends ControllerBase {
           if (is_array($element)) {
             if (isset($element['data']) && array_key_exists('#markup', $element['data'])) {
               preg_match('/title=["\']([^"\']*)["\']/', $element['data']['#markup'], $matches);
-              $rows[$row_key][$element_key] = $matches[1] ?? null;
+              $rows[$row_key][$element_key] = $matches[1] ?? NULL;
             }
             else {
               $rows[$row_key][$element_key] = implode('|', $element);
@@ -1420,22 +1423,22 @@ class MetadataProfileController extends ControllerBase {
    * @return \Symfony\Component\HttpFoundation\BinaryFileResponse
    *   The file download response.
    */
-  public function download(NodeTypeInterface $node_type) {
+  public function download(?NodeTypeInterface $node_type = NULL) {
     // Rebuild your state from the entity
-    $this->entityBundle = $node_type->id();
-    $this->entityTypeBundleOf = $node_type->getEntityType()->getBundleOf();
+    if ($node_type) {
+      $this->entityBundle = $node_type->id();
+      $this->entityTypeBundleOf = $node_type->getEntityType()->getBundleOf();
+    }
 
-    $contentType = $this->entityBundle;
     $entityKey = $this->entityTypeBundleOf;
-
-    $headers = array_map(function ($header) {
+    $headers = array_map(function($header) {
       return is_array($header) && isset($header['data']) ? (string) $header['data'] : (string) $header;
     }, $this->getHeaders());
     $metadata_profile = $this->getMetadataProfile();
     $rows = $this->getRows($metadata_profile);
     $rows = $this->sanitizeRowsForCSV($rows);
 
-    $filename_slug = "{$entityKey}__{$contentType}.csv";
+    $filename_slug = "{$entityKey}__{$this->entityBundle}.csv";
     $filename = $this->fileSystem->getTempDirectory() . '/' . $filename_slug;
 
     if (file_exists($filename)) {
@@ -1613,7 +1616,6 @@ class MetadataProfileController extends ControllerBase {
     }
 
     foreach ($field_definitions as $field_name => $field_definition) {
-
       // Only configurable fields (skip base fields like title)
       if ($field_definition->getFieldStorageDefinition() instanceof \Drupal\Core\Field\BaseFieldDefinition) {
         continue;