fix(admin): close hero/banner config chain in page-display IA

Wire existing HeroManager/BannerManager into page-display routes and
component loaders, fix banner REST round-trip (show_meta + optional title),
and retarget operator deep-links to the real slide managers.

inc/classes/admin/schema/class-aksrt-admin-schema-page-display.php

@@ -67,11 +67,12 @@ class AKSRT_Admin_Schema_Page_Display {
                     ],
                 ],
                 'header-components' => [
-                    'key'        => 'header-components',
-                    'title'      => '顶部多功能组件',
-                    'version'    => '1.1.0',
-                    'option_key' => 'aksrt_settings',
-                    'groups'     => [
+                    'key'         => 'header-components',
+                    'title'       => '顶部多功能组件',
+                    'description' => '配置顶部组件的显示范围、设备规则、轮播参数、搜索覆盖层与图标卡片。幻灯片图片/文案内容请到「Hero 轮播」「Banner 轮播」管理。',
+                    'version'     => '1.1.0',
+                    'option_key'  => 'aksrt_settings',
+                    'groups'      => [
                         ['key' => 'visibility', 'title' => '显示规则', 'fields' => [
                             ['key' => 'header_components_search_enabled', 'label' => '启用搜索覆盖层', 'type' => 'switch', 'default' => true],
                             ['key' => 'header_components_cards_enabled', 'label' => '启用图标卡片', 'type' => 'switch', 'default' => false],