diff --git a/frontend/js/viewer.js b/frontend/js/viewer.js
index 94a3991..15a6ca0 100644
--- a/frontend/js/viewer.js
+++ b/frontend/js/viewer.js
@@ -4,6 +4,7 @@ import { state } from './state.js';
 import { escapeHtml, safeCreateIcons, safeHighlight, getFileIcon } from './utils.js';
 import { TabManager, closeMobileSidebar, ContextMenuManager, RightSidebarManager, showToast } from './ui.js';
 import { syncActiveFileTreeItem } from './sidebar.js';
+import { AutocompleteDropdown } from './search.js';
 // ---------------------------------------------------------------------------
 // Outline/TOC Manager
 // ---------------------------------------------------------------------------