From 83d113d66917b427e0acbd5d3c9c5d17770023c3 Mon Sep 17 00:00:00 2001
From: FrankZamora <prime.leads.app@gmail.com>
Date: Sat, 6 Dec 2025 23:05:51 -0600
Subject: [PATCH] chore(php): add more debug for toc heading detection
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🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 .../Infrastructure/Ui/TableOfContentsRenderer.php     | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Public/TableOfContents/Infrastructure/Ui/TableOfContentsRenderer.php b/Public/TableOfContents/Infrastructure/Ui/TableOfContentsRenderer.php
index 5e425ab8..98afecb2 100644
--- a/Public/TableOfContents/Infrastructure/Ui/TableOfContentsRenderer.php
+++ b/Public/TableOfContents/Infrastructure/Ui/TableOfContentsRenderer.php
@@ -128,10 +128,21 @@ final class TableOfContentsRenderer implements RendererInterface
 
         error_log("{$debugPrefix}: post_id={$post->ID}, raw_content_length=" . strlen($post->post_content));
 
+        // Check if raw content has headings
+        $rawHeadingCount = preg_match_all('/<h[2-6][^>]*>/i', $post->post_content, $rawMatches);
+        error_log("{$debugPrefix}: raw_headings_count={$rawHeadingCount}");
+
         $content = apply_filters('the_content', $post->post_content);
 
         error_log("{$debugPrefix}: filtered_content_length=" . strlen($content));
 
+        // Check if filtered content has headings
+        $filteredHeadingCount = preg_match_all('/<h[2-6][^>]*>/i', $content, $filteredMatches);
+        error_log("{$debugPrefix}: filtered_headings_count={$filteredHeadingCount}");
+
+        // Log first 500 chars of filtered content for diagnosis
+        error_log("{$debugPrefix}: filtered_content_preview=" . substr(strip_tags($content), 0, 300));
+
         $dom = new DOMDocument();
         libxml_use_internal_errors(true);
         $dom->loadHTML('<?xml encoding="utf-8" ?>' . $content);