chore(php): add toc debug logging for guest visibility issue

Temporary debug logging to diagnose why TOC shows for logged users
but not for guests. Logs visibility checks at each layer.

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Public/TableOfContents/Infrastructure/Ui/TableOfContentsRenderer.php

@@ -43,20 +43,30 @@ final class TableOfContentsRenderer implements RendererInterface
     {
         $data = $component->getData();
 
+        // DEBUG TOC: Log all visibility checks
+        $isLoggedIn = is_user_logged_in();
+        $debugPrefix = "TOC DEBUG [" . ($isLoggedIn ? "LOGGED" : "GUEST") . "]";
+
         if (!$this->isEnabled($data)) {
+            error_log("{$debugPrefix}: SKIP - isEnabled=false");
             return '';
         }
 
-        if (!PageVisibilityHelper::shouldShow(self::COMPONENT_NAME)) {
+        $shouldShow = PageVisibilityHelper::shouldShow(self::COMPONENT_NAME);
+        if (!$shouldShow) {
+            error_log("{$debugPrefix}: SKIP - PageVisibilityHelper::shouldShow=false");
             return '';
         }
 
         $tocItems = $this->generateTocItems($data);
 
         if (empty($tocItems)) {
+            error_log("{$debugPrefix}: SKIP - tocItems empty");
             return '';
         }
 
+        error_log("{$debugPrefix}: RENDER - passed all checks, items=" . count($tocItems));
+
         $css = $this->generateCSS($data);
         $html = $this->buildHTML($data, $tocItems);
         $script = $this->buildScript($data);
@@ -107,12 +117,21 @@ final class TableOfContentsRenderer implements RendererInterface
     {
         global $post;
 
+        // DEBUG: Track content processing
+        $isLoggedIn = is_user_logged_in();
+        $debugPrefix = "TOC generateTocFromContent [" . ($isLoggedIn ? "LOGGED" : "GUEST") . "]";
+
         if (!$post || empty($post->post_content)) {
+            error_log("{$debugPrefix}: SKIP - no post or empty content");
             return [];
         }
 
+        error_log("{$debugPrefix}: post_id={$post->ID}, raw_content_length=" . strlen($post->post_content));
+
         $content = apply_filters('the_content', $post->post_content);
 
+        error_log("{$debugPrefix}: filtered_content_length=" . strlen($content));
+
         $dom = new DOMDocument();
         libxml_use_internal_errors(true);
         $dom->loadHTML('<?xml encoding="utf-8" ?>' . $content);
@@ -127,6 +146,8 @@ final class TableOfContentsRenderer implements RendererInterface
 
         $headings = $xpath->query($xpathQuery);
 
+        error_log("{$debugPrefix}: headings_found=" . $headings->length);
+
         if ($headings->length === 0) {
             return [];
         }

Shared/Application/UseCases/EvaluateComponentVisibility/EvaluateComponentVisibilityUseCase.php

@@ -36,9 +36,16 @@ final class EvaluateComponentVisibilityUseCase
      */
     public function execute(string $componentName): bool
     {
+        // DEBUG: Log for TOC only
+        $debugToc = ($componentName === 'table-of-contents');
+
         // Paso 1: Verificar visibilidad por tipo de pagina
         $visibleByPageType = $this->pageVisibilityUseCase->execute($componentName);
 
+        if ($debugToc) {
+            error_log("EvaluateComponentVisibility [{$componentName}]: visibleByPageType=" . ($visibleByPageType ? "true" : "false"));
+        }
+
         if (!$visibleByPageType) {
             return false;
         }
@@ -46,6 +53,10 @@ final class EvaluateComponentVisibilityUseCase
         // Paso 2: Verificar exclusiones
         $isExcluded = $this->exclusionsUseCase->execute($componentName);
 
+        if ($debugToc) {
+            error_log("EvaluateComponentVisibility [{$componentName}]: isExcluded=" . ($isExcluded ? "true" : "false"));
+        }
+
         // Mostrar si NO esta excluido
         return !$isExcluded;
     }

Shared/Application/UseCases/EvaluatePageVisibility/EvaluatePageVisibilityUseCase.php

@@ -28,15 +28,27 @@ final class EvaluatePageVisibilityUseCase
     {
         $config = $this->visibilityRepository->getVisibilityConfig($componentName);
 
+        // DEBUG: Log for TOC only
+        $debugToc = ($componentName === 'table-of-contents');
+        $usingDefaults = false;
+
         if (empty($config)) {
             // Usar defaults especificos por componente si existen
             $config = VisibilityDefaults::getForComponent($componentName);
+            $usingDefaults = true;
         }
 
         $pageType = $this->pageTypeDetector->detect();
         $visibilityField = $pageType->toVisibilityField();
+        $fieldValue = $config[$visibilityField] ?? true;
+        $result = $this->toBool($fieldValue);
 
-        return $this->toBool($config[$visibilityField] ?? true);
+        if ($debugToc) {
+            error_log("EvaluatePageVisibility [{$componentName}]: pageType=" . $pageType->value() . ", field={$visibilityField}, fieldValue=" . var_export($fieldValue, true) . ", result=" . ($result ? "true" : "false") . ", usingDefaults=" . ($usingDefaults ? "true" : "false"));
+            error_log("EvaluatePageVisibility [{$componentName}]: config=" . json_encode($config));
+        }
+
+        return $result;
     }
 
     private function toBool(mixed $value): bool

Shared/Infrastructure/Services/PageVisibilityHelper.php

@@ -43,7 +43,15 @@ final class PageVisibilityHelper
         $container = DIContainer::getInstance();
         $useCase = $container->getEvaluateComponentVisibilityUseCase();
 
-        return $useCase->execute($componentName);
+        $result = $useCase->execute($componentName);
+
+        // DEBUG: Log visibility evaluation
+        if ($componentName === 'table-of-contents') {
+            $isLoggedIn = is_user_logged_in();
+            error_log("PageVisibilityHelper DEBUG [{$componentName}] [" . ($isLoggedIn ? "LOGGED" : "GUEST") . "]: result=" . ($result ? "true" : "false"));
+        }
+
+        return $result;
     }
 
     /**

Shared/Infrastructure/Services/WordPressPageTypeDetector.php

@@ -15,6 +15,18 @@ final class WordPressPageTypeDetector implements PageTypeDetectorInterface
 {
     public function detect(): PageType
     {
+        // DEBUG: Log all checks for diagnosis
+        $isLoggedIn = is_user_logged_in();
+        $debugData = [
+            'is_front_page' => is_front_page(),
+            'is_home' => is_home(),
+            'is_single' => is_single(),
+            'is_page' => is_page(),
+            'is_search' => is_search(),
+            'is_archive' => is_archive(),
+        ];
+        error_log("PageTypeDetector DEBUG [" . ($isLoggedIn ? "LOGGED" : "GUEST") . "]: " . json_encode($debugData));
+
         if ($this->isHome()) {
             return PageType::home();
         }