feat: modal UX - close on Escape key and backdrop click, add ARIA attributes

- Escape key closes any open memory modal
- Clicking the dark backdrop behind a modal closes it
- Add role=dialog, aria-modal, aria-label for accessibility

bot/static/index.html

@@ -5842,6 +5842,37 @@ function closeCreateMemoryModal() {
   document.getElementById('create-memory-modal').style.display = 'none';
 }
 
+// Modal keyboard and backdrop close handlers
+document.addEventListener('keydown', function(e) {
+  if (e.key === 'Escape') {
+    const editModal = document.getElementById('edit-memory-modal');
+    const createModal = document.getElementById('create-memory-modal');
+    if (editModal && editModal.style.display !== 'none') closeEditMemoryModal();
+    if (createModal && createModal.style.display !== 'none') closeCreateMemoryModal();
+  }
+});
+
+document.addEventListener('DOMContentLoaded', function() {
+  const editModal = document.getElementById('edit-memory-modal');
+  const createModal = document.getElementById('create-memory-modal');
+  if (editModal) {
+    editModal.setAttribute('role', 'dialog');
+    editModal.setAttribute('aria-modal', 'true');
+    editModal.setAttribute('aria-label', 'Edit Memory');
+    editModal.addEventListener('click', function(e) {
+      if (e.target === this) closeEditMemoryModal();
+    });
+  }
+  if (createModal) {
+    createModal.setAttribute('role', 'dialog');
+    createModal.setAttribute('aria-modal', 'true');
+    createModal.setAttribute('aria-label', 'Create Memory');
+    createModal.addEventListener('click', function(e) {
+      if (e.target === this) closeCreateMemoryModal();
+    });
+  }
+});
+
 async function saveNewMemory() {
   const collection = document.getElementById('create-memory-collection').value;
   const content = document.getElementById('create-memory-content').value.trim();