refactor: Admin index — replace emoji buttons with Phosphor SVG icons, add back buttons + row click navigation, minimal JS, move export DB to Exporter modal, color stats, bulk bar anti-shift, credits reorder, tags icons

app/templates/admin/contenus.php

@@ -30,7 +30,9 @@
                 <td><?= htmlspecialchars($p['updated_at'] ?? '—') ?></td>
                 <td>
                     <a href="/admin/contenus-edit.php?slug=<?= urlencode($p['slug']) ?>"
-                       class="btn btn--primary btn--sm">Éditer</a>
+                       class="admin-icon-btn admin-icon-btn--edit" title="Éditer">
+                        <svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" fill="currentColor" viewBox="0 0 256 256"><path d="M248,92.68a15.86,15.86,0,0,0-4.69-11.31L174.63,12.68a16,16,0,0,0-22.63,0L123.57,41.11l-58,21.77A16.06,16.06,0,0,0,55.35,75.23L32.11,214.68A8,8,0,0,0,40,224a8.4,8.4,0,0,0,1.32-.11l139.44-23.24a16,16,0,0,0,12.35-10.17l21.77-58L243.31,104A15.87,15.87,0,0,0,248,92.68Zm-69.87,92.19L63.32,204l47.37-47.37a28,28,0,1,0-11.32-11.32L52,192.7,71.13,77.86,126,57.29,198.7,130ZM112,132a12,12,0,1,1,12,12A12,12,0,0,1,112,132Zm96-15.32L139.31,48l24-24L232,92.68Z"></path></svg>
+                    </a>
                 </td>
             </tr>
             <?php endforeach; ?>