refactor: ein Helfer für Gruppen-Kurznamen (NodeSummary::groupShortName), ESCAPED_LETTER_REGEX am UsageQuery-Interface, Docblock DiviComposition::presets; Tests für Muster, Kurzname und Gruppen-Überdeckung

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/Integrations/Divi/BlockTree/NodeSummary.php

@@ -23,6 +23,12 @@ final class NodeSummary
     /** The admin label is a one-line title in the layers panel, never an unbounded copy. */
     private const LABEL_LIMIT = 80;
 
+    /** "font-body" for the group name "divi/font-body" – the key "group_presets" of the write tools takes. */
+    public static function groupShortName(string $groupName): string
+    {
+        return str_starts_with($groupName, 'divi/') ? substr($groupName, 5) : $groupName;
+    }
+
     public static function label(Block $block): string
     {
         $attrs = $block->name() === 'divi/global-layout' && is_array($block->attrs()['localAttrs'] ?? null)

src/Integrations/Divi/BlockTree/Outline.php

@@ -174,8 +174,7 @@ final class Outline
     {
         $lines = [];
         foreach (NodeSummary::groupPresets($block) as $group) {
-            $name = $group['groupName'];
-            $short = str_starts_with($name, 'divi/') ? substr($name, 5) : $name;
+            $short = NodeSummary::groupShortName($group['groupName']);
             $lines[] = $short . ': ' . implode(', ', $this->namesOf($group['presetIds']));
         }