feat: lit/menu-create returns the new menu's menu_rev (trial)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7

src/Integrations/WordPress/Menus/MenuCreateAbility.php

@@ -8,6 +8,7 @@ use LIT\MCP\Abilities\Ability;
 use LIT\MCP\Abilities\Annotations;
 use LIT\MCP\Abilities\Errors;
 use LIT\MCP\Abilities\FollowUp;
+use LIT\MCP\Abilities\Rev;
 use LIT\MCP\Abilities\ToolResult;
 use LIT\MCP\ChangeLog\ChangeLog;
 use WP_Error;
@@ -35,7 +36,7 @@ final class MenuCreateAbility implements Ability
     public function description(): string
     {
         return 'Legt ein leeres Menü an und weist es optional einer Theme-Position zu. Einträge danach mit '
-            . 'lit/menu-set-items setzen.';
+            . 'lit/menu-set-items setzen; die Antwort enthält dafür menu_id und menu_rev.';
     }
 
     public function inputSchema(): array
@@ -53,7 +54,13 @@ final class MenuCreateAbility implements Ability
 
     public function outputSchema(): ?array
     {
-        return ToolResult::schema(['menu_id' => ['type' => 'integer']], ['menu_id']);
+        return ToolResult::schema(
+            [
+                'menu_id' => ['type' => 'integer'],
+                'menu_rev' => ['type' => 'string', 'description' => 'Stand des Menüs für lit/menu-set-items.'],
+            ],
+            ['menu_id', 'menu_rev']
+        );
     }
 
     public function annotations(): array
@@ -98,6 +105,8 @@ final class MenuCreateAbility implements Ability
             MenuLocations::assign($location, $menuId);
         }
 
+        $items = wp_get_nav_menu_items($menuId);
+
         // The menu is saved – a change log failure from here on is logged and reported as a warning only.
         $warnings = [];
         $summary = sprintf('Menü "%s" angelegt', $name)
@@ -114,6 +123,7 @@ final class MenuCreateAbility implements Ability
             ->logId(is_int($logId) ? $logId : null)
             ->warnings($warnings)
             ->with('menu_id', $menuId)
+            ->with('menu_rev', Rev::ofMenu(is_array($items) ? $items : []))
             ->toArray();
     }
 }