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/Library/LibraryIntegration.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace LIT\MCP\Integrations\Divi\Library;
 
+use Closure;
 use LIT\MCP\ChangeLog\ChangeLog;
 use LIT\MCP\Integrations\Divi\Design\DesignSystemReader;
 use LIT\MCP\Integrations\Divi\Pages\DiviPageLoader;
@@ -15,13 +16,14 @@ use LIT\MCP\Integrations\Integration;
 defined('ABSPATH') || exit;
 
 /**
- * The group "Divi-Bibliothek" (E9): lit/library-list, lit/library-save, later lit-library-insert.
+ * The group "Divi-Bibliothek" (E9): lit/library-list, lit/library-save and lit-library-insert (direct).
  * Built by DiviIntegration::library() so it shares the library access (rights, Tools-tab gates –
  * its id LibraryAccess::GROUP is what the P9 hiding and the write gate ask). Available with the
  * Divi 5 builder, like the Divi group.
  */
 final class LibraryIntegration implements Integration
 {
+    /** @param (Closure(): bool)|null $diviWritable Whether lit/divi-insert is enabled (audit M2); null = always. */
     public function __construct(
         private LibraryAccess $access,
         private DiviPageLoader $loader,
@@ -29,7 +31,8 @@ final class LibraryIntegration implements Integration
         private DiviWriter $writer,
         private DiviSaver $saver,
         private ChangeLog $log,
-        private DiviModules $modules
+        private DiviModules $modules,
+        private ?Closure $diviWritable = null
     ) {
     }
 
@@ -60,6 +63,7 @@ final class LibraryIntegration implements Integration
                 $this->log,
                 $this->modules
             ),
+            new LibraryInsertAbility($this->writer, $this->access, $this->diviWritable),
         ];
     }
 }