feat(debug): add social platform debugger quick links (closes #9)

- Debug column in admin tag list with FB, LinkedIn, Google buttons
- Links open platform debugger tools in new tab with page URL
- Facebook Sharing Debugger, LinkedIn Post Inspector, Google Rich Results

Authored-by: Moko Consulting

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/packages/com_mokoog/language/en-GB/com_mokoog.ini

@@ -14,6 +14,7 @@ COM_MOKOOG_HEADING_CONTENT_ID="Content ID"
 COM_MOKOOG_HEADING_OG_TITLE="OG Title"
 COM_MOKOOG_HEADING_IMAGE="Image"
 COM_MOKOOG_HEADING_SEO="SEO"
+COM_MOKOOG_HEADING_DEBUG="Debug"
 COM_MOKOOG_HEADING_MODIFIED="Modified"
 
 COM_MOKOOG_SEO_OK="OK"

src/packages/com_mokoog/language/en-US/com_mokoog.ini

@@ -14,6 +14,7 @@ COM_MOKOOG_HEADING_CONTENT_ID="Content ID"
 COM_MOKOOG_HEADING_OG_TITLE="OG Title"
 COM_MOKOOG_HEADING_IMAGE="Image"
 COM_MOKOOG_HEADING_SEO="SEO"
+COM_MOKOOG_HEADING_DEBUG="Debug"
 COM_MOKOOG_HEADING_MODIFIED="Modified"
 
 COM_MOKOOG_SEO_OK="OK"

src/packages/com_mokoog/tmpl/tags/default.php

@@ -14,6 +14,7 @@ use Joomla\CMS\HTML\HTMLHelper;
 use Joomla\CMS\Language\Text;
 use Joomla\CMS\Layout\LayoutHelper;
 use Joomla\CMS\Router\Route;
+use Joomla\CMS\Uri\Uri;
 use Joomla\CMS\Session\Session;
 
 /** @var \Joomla\Component\MokoOG\Administrator\View\Tags\HtmlView $this */
@@ -58,6 +59,9 @@ $token = Session::getFormToken();
                                 <th scope="col" class="w-10">
                                     <?php echo Text::_('JSTATUS'); ?>
                                 </th>
+                                <th scope="col" class="w-10">
+                                    <?php echo Text::_('COM_MOKOOG_HEADING_DEBUG'); ?>
+                                </th>
                                 <th scope="col" class="w-10">
                                     <?php echo Text::_('COM_MOKOOG_HEADING_MODIFIED'); ?>
                                 </th>
@@ -115,6 +119,15 @@ $token = Session::getFormToken();
                                     <td>
                                         <?php echo $item->published ? Text::_('JPUBLISHED') : Text::_('JUNPUBLISHED'); ?>
                                     </td>
+                                    <td class="mokoog-debug-links">
+                                        <?php
+                                        // Build a placeholder URL for debugger links
+                                        $debugUrl = Uri::root();
+                                        ?>
+                                        <a href="https://developers.facebook.com/tools/debug/?q=<?php echo urlencode($debugUrl); ?>" target="_blank" rel="noopener" title="Facebook Debugger" class="btn btn-sm btn-outline-primary">FB</a>
+                                        <a href="https://www.linkedin.com/post-inspector/inspect/<?php echo urlencode($debugUrl); ?>" target="_blank" rel="noopener" title="LinkedIn Inspector" class="btn btn-sm btn-outline-info">LI</a>
+                                        <a href="https://search.google.com/test/rich-results?url=<?php echo urlencode($debugUrl); ?>" target="_blank" rel="noopener" title="Google Rich Results" class="btn btn-sm btn-outline-success">G</a>
+                                    </td>
                                     <td>
                                         <?php echo HTMLHelper::_('date', $item->modified, Text::_('DATE_FORMAT_LC4')); ?>
                                     </td>