diff --git a/frontend/app.js b/frontend/app.js
index d47e8b1..aafe426 100644
--- a/frontend/app.js
+++ b/frontend/app.js
@@ -5718,13 +5718,13 @@
 
       const n = data.total_changes || 0;
       const vaults = (data.vaults || []).join(", ");
-      showToast(`${n} fichier(s) mis à jour (${vaults})`, "info");
+      // Toast removed: silent auto-indexing — no notification needed
 
       // Refresh sidebar and tags if affected vault matches current context
       const affectsCurrentVault = selectedContextVault === "all" || (data.vaults || []).includes(selectedContextVault);
       if (affectsCurrentVault) {
         try {
-          await Promise.all([loadVaults(), loadTags()]);
+          await Promise.all([refreshSidebarTreePreservingState(), refreshTagsForContext()]);
           // Refresh current file if it was updated
           if (currentVault && currentPath) {
             const changed = (data.changes || []).some((c) => c.vault === currentVault && c.path === currentPath);