feat: Divi-Adapter sperren je Fähigkeit – ReleaseGate::feature/assertFeature(s), DiviLocked und Ablehnung nennen die betroffenen Fähigkeiten (D6), DiviSaver prüft Seiten schreiben und die Fähigkeit des Speicherbereichs (D5), DesignArea::feature; Test-Standard alle Fähigkeiten freigegeben

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

src/Integrations/Divi/Library/DiviLibraryStore.php

@@ -222,11 +222,11 @@ class DiviLibraryStore implements DiviAdapter
      * when that delete fails; a throwing insert hook is a partial write without ID.
      *
      * @throws WriteFailed
-     * @throws DiviLocked When Divi is not released (spec §5.5) – before anything is written.
+     * @throws DiviLocked When library-write is not released (spec §5.5) – before anything is written.
      */
     public function create(LibraryItemSpec $spec, NewDraft $draft): int
     {
-        ReleaseGate::assertWritable();
+        ReleaseGate::assertFeature(DiviFeature::LibraryWrite);
         $missing = $this->missingTaxonomies();
         if ($missing !== []) {
             throw WriteFailed::rolledBack(