refactor: Divi library adapters with manifest and submit-layout mirror

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

src/Integrations/Divi/Library/DiviRoles.php

@@ -6,18 +6,21 @@ namespace LIT\MCP\Integrations\Divi\Library;
 
 use Closure;
 use LIT\MCP\Abilities\Errors;
+use LIT\MCP\Integrations\Divi\Release\Call;
+use LIT\MCP\Integrations\Divi\Release\DiviAdapter;
+use LIT\MCP\Integrations\Divi\Release\Manifest;
 use WP_Error;
 
 defined('ABSPATH') || exit;
 
 /**
- * Adapter for Divi's role editor (E3, E15): et_pb_is_allowed() (Divi 5.2.1 builder/core.php:1128)
+ * Adapter "Bibliothek" (spec §3) for Divi's role editor (E3, E15): et_pb_is_allowed() (Divi's builder/core.php)
  * answers for the current user's role, "dangerous" options (theme_builder,
  * read_dynamic_content_custom_fields) default to off for every role but administrator. When
  * Divi no longer has the function, nothing is allowed – DiviCompatibility reports it.
  * Not final so tests can pass a check.
  */
-class DiviRoles
+class DiviRoles implements DiviAdapter
 {
     private const LABELS = [
         'divi_library' => 'Divi-Bibliothek',
@@ -28,6 +31,11 @@ class DiviRoles
         'theme_builder' => 'Theme Builder',
     ];
 
+    public static function manifest(): Manifest
+    {
+        return new Manifest(Manifest::LIBRARY, calls: [new Call('et_pb_is_allowed', 1)]);
+    }
+
     /** @param (Closure(string): bool)|null $check Test seam; null = Divi's et_pb_is_allowed(). */
     public function __construct(private ?Closure $check = null)
     {