feat: lit-library-insert as copy or global instance in the builder's format (E5)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

src/Integrations/Divi/DiviIntegration.php

@@ -116,8 +116,11 @@ final class DiviIntegration implements Integration
         ];
     }
 
-    /** The group "Divi-Bibliothek" (lit/library-*), sharing this integration's library access. */
-    public function library(): LibraryIntegration
+    /**
+     * The group "Divi-Bibliothek" (lit/library-*), sharing this integration's library access;
+     * $diviWritable is whether lit/divi-insert is enabled (lit-library-insert follows it, audit M2).
+     */
+    public function library(?Closure $diviWritable = null): LibraryIntegration
     {
         $loader = $this->loader();
 
@@ -128,7 +131,8 @@ final class DiviIntegration implements Integration
             $this->writer($loader),
             new DiviSaver(),
             $this->log,
-            $this->modules
+            $this->modules,
+            $diviWritable
         );
     }