todo fixes

public/js/modules/markdown.js

@@ -98,6 +98,22 @@ export function addCodeCopyButtons(container) {
     });
 }
 
+export function formatTodoItems(container) {
+    if (!container) return;
+    container.querySelectorAll('li').forEach(li => {
+        const cb = li.querySelector('input[type="checkbox"]');
+        if (!cb) return;
+        if (li.classList.contains('todo-item')) return;
+        li.classList.add('todo-item');
+        if (cb.checked) li.classList.add('todo-done');
+        // Wrap remaining text nodes in a span
+        const span = document.createElement('span');
+        span.className = 'todo-text';
+        while (cb.nextSibling) span.appendChild(cb.nextSibling);
+        li.appendChild(span);
+    });
+}
+
 export function stripMd(src) {
     return (src || '')
         .replace(/<img[^>]*>/gi, '')