diff --git a/frontend/js/sync.js b/frontend/js/sync.js
index adeac36..3ca3312 100644
--- a/frontend/js/sync.js
+++ b/frontend/js/sync.js
@@ -3,6 +3,7 @@ import { state } from './state.js';
 import { showToast } from './ui.js';
 import { loadVaults, loadTags, refreshTagsForContext, refreshSidebarTreePreservingState } from './sidebar.js';
 import { loadRecentFiles } from './config.js';
+import { openFile } from './viewer.js';
 
 // ---------------------------------------------------------------------------
 // SSE Client — IndexUpdateManager