refactor: Divi catalog adapter with manifest

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

src/Integrations/Divi/Schema/DiviModules.php

@@ -5,17 +5,51 @@ declare(strict_types=1);
 namespace LIT\MCP\Integrations\Divi\Schema;
 
 use ET\Builder\Packages\ModuleLibrary\ModuleRegistration;
+use LIT\MCP\Integrations\Divi\BlockTree\GlobalInstance;
+use LIT\MCP\Integrations\Divi\Library\DiviLibraryStore;
+use LIT\MCP\Integrations\Divi\Release\Call;
+use LIT\MCP\Integrations\Divi\Release\DiviAdapter;
+use LIT\MCP\Integrations\Divi\Release\Manifest;
+use LIT\MCP\Integrations\Divi\ThemeBuilder\DiviThemeBuilder;
 
 defined('ABSPATH') || exit;
 
 /**
- * Reads Divi's module metadata once per request (Divi 5 only). Not final so abilities can be
- * unit-tested with a mock.
+ * Adapter "Katalog" (spec §3): Divi's module metadata once per request (Divi 5 only), Divi's own post types and
+ * its per-type builder switch for the content tools, and whether Divi knows a block type. Not final so abilities
+ * can be unit-tested with a mock.
  */
-class DiviModules
+class DiviModules implements DiviAdapter
 {
+    /** Divi's own post types the content tools leave alone (library, Theme Builder, canvases, speculation). */
+    public const INTERNAL_POST_TYPES = [
+        DiviLibraryStore::POST_TYPE,
+        DiviThemeBuilder::THEME_BUILDER,
+        DiviThemeBuilder::TEMPLATE,
+        DiviThemeBuilder::LAYOUT_TYPES['header'],
+        DiviThemeBuilder::LAYOUT_TYPES['body'],
+        DiviThemeBuilder::LAYOUT_TYPES['footer'],
+        'et_pb_canvas',
+        '_et_pb_speculation',
+    ];
+
     private ?ModuleCatalog $catalog = null;
 
+    public static function manifest(): Manifest
+    {
+        return new Manifest(
+            Manifest::CATALOG,
+            calls: [
+                new Call(ModuleRegistration::class . '::get_all_core_modules_metadata', 0),
+                new Call(ModuleRegistration::class . '::get_default_attrs', 2),
+                new Call('et_builder_enabled_for_post_type', 1),
+            ],
+            constants: ['ET_BUILDER_PRODUCT_VERSION'],
+            blockTypes: [GlobalInstance::BLOCK],
+            keys: ['et_pb_canvas', '_et_pb_speculation']
+        );
+    }
+
     public static function isAvailable(): bool
     {
         return class_exists(ModuleRegistration::class);
@@ -43,4 +77,35 @@ class DiviModules
     {
         return defined('ET_BUILDER_PRODUCT_VERSION') ? (string) ET_BUILDER_PRODUCT_VERSION : '5.2.1';
     }
+
+    /**
+     * Whether Divi's builder is switched on for $postType (Divi → Theme-Optionen → Builder); false without Divi.
+     */
+    public static function builderEnabledFor(string $postType): bool
+    {
+        return function_exists('et_builder_enabled_for_post_type')
+            && (bool) et_builder_enabled_for_post_type($postType);
+    }
+
+    /**
+     * Whether Divi still has block type $name: registered with WordPress, or in Divi's core module metadata (Divi
+     * renders global instances itself and does not always register the type with WordPress).
+     */
+    public static function knowsBlock(string $name): bool
+    {
+        if (class_exists('WP_Block_Type_Registry') && \WP_Block_Type_Registry::get_instance()->is_registered($name)) {
+            return true;
+        }
+        if (! self::isAvailable()) {
+            return false;
+        }
+
+        foreach ((array) ModuleRegistration::get_all_core_modules_metadata() as $module) {
+            if (is_array($module) && ($module['name'] ?? null) === $name) {
+                return true;
+            }
+        }
+
+        return false;
+    }
 }