feat(visibility): sistema de visibilidad por tipo de página

- Añadir PageVisibility use case y repositorio
- Implementar PageTypeDetector para detectar home/single/page/archive
- Actualizar FieldMappers con soporte show_on_[page_type]
- Extender FormBuilders con UI de visibilidad por página
- Refactorizar Renderers para evaluar visibilidad dinámica
- Limpiar schemas removiendo campos de visibilidad legacy
- Añadir MigrationCommand para migrar configuraciones existentes
- Implementar adsense-loader.js para carga lazy de ads
- Actualizar front-page.php con nueva estructura
- Extender DIContainer con nuevos servicios

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Admin/Navbar/Infrastructure/FieldMapping/NavbarFieldMapper.php

@@ -26,10 +26,16 @@ final class NavbarFieldMapper implements FieldMapperInterface
             'navbarEnabled' => ['group' => 'visibility', 'attribute' => 'is_enabled'],
             'navbarShowMobile' => ['group' => 'visibility', 'attribute' => 'show_on_mobile'],
             'navbarShowDesktop' => ['group' => 'visibility', 'attribute' => 'show_on_desktop'],
-            'navbarShowOnPages' => ['group' => 'visibility', 'attribute' => 'show_on_pages'],
             'navbarSticky' => ['group' => 'visibility', 'attribute' => 'sticky_enabled'],
             'navbarIsCritical' => ['group' => 'visibility', 'attribute' => 'is_critical'],
 
+            // Page Visibility (grupo especial _page_visibility)
+            'navbarVisibilityHome' => ['group' => '_page_visibility', 'attribute' => 'show_on_home'],
+            'navbarVisibilityPosts' => ['group' => '_page_visibility', 'attribute' => 'show_on_posts'],
+            'navbarVisibilityPages' => ['group' => '_page_visibility', 'attribute' => 'show_on_pages'],
+            'navbarVisibilityArchives' => ['group' => '_page_visibility', 'attribute' => 'show_on_archives'],
+            'navbarVisibilitySearch' => ['group' => '_page_visibility', 'attribute' => 'show_on_search'],
+
             // Layout
             'navbarContainerType' => ['group' => 'layout', 'attribute' => 'container_type'],
             'navbarPaddingVertical' => ['group' => 'layout', 'attribute' => 'padding_vertical'],