diff --git a/CHANGELOG.md b/CHANGELOG.md
index 071a8e4..f038246 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog — FlowDeck
 
+## v2.1.1 (2026-07-12) — Fix Arborescence Workspace
+
+### Fixed
+- **Arborescence**: création fichier/dossier dans un sous-dossier met à jour l'arbre sans rechargement
+- **parentFolder**: corrigé le bug où `parentFolder` était nullifié avant l'insertion dans l'arbre JS
+- **displayTree**: nouvelle référence array après chaque mutation pour forcer le re-render Alpine.js
+- **doSort/doFilter**: gèrent maintenant le cas où un filtre/tri est actif après création
+- **_doUpload**: corrigé `this._reloadAfterAction` → `self._reloadAfterAction`
+
 ## v2.1.0 (2026-07-10) — Intégrations Avancées
 
 ### Added
diff --git a/app/main.py b/app/main.py
index 414702a..82d32c8 100644
--- a/app/main.py
+++ b/app/main.py
@@ -39,7 +39,7 @@ async def lifespan(_app: FastAPI):
 
 app = FastAPI(
     title="FlowDeck",
-    version="2.1.0",
+    version="2.1.1",
     docs_url="/docs" if settings.log_level == "DEBUG" else None,
     redoc_url=None,
     lifespan=lifespan,
diff --git a/app/templates/local_workspace.html b/app/templates/local_workspace.html
index e92832f..cc1c13f 100644
--- a/app/templates/local_workspace.html
+++ b/app/templates/local_workspace.html
@@ -889,7 +889,7 @@ document.addEventListener('alpine:init', function() {
     // ── Sort ──
     doSort() {
       var s = this.sortBy;
-      if (!s) { this.displayTree = this.tree; return; }
+      if (!s) { this.displayTree = [...this.tree]; return; }
       var sorted = this.tree.slice();
       if (s === 'name-asc') sorted.sort(function(a,b) { return (a.name||'').localeCompare(b.name||''); });
       else if (s === 'name-desc') sorted.sort(function(a,b) { return (b.name||'').localeCompare(a.name||''); });
@@ -908,7 +908,9 @@ document.addEventListener('alpine:init', function() {
       if (!r.ok) { this.undoVisible = false; return; }
       // Remove from tree immediately
       this._removeFromTree(this.tree, this.undoItemId);
-      if (!this.searchQuery && !this.filterType && !this.sortBy) this.displayTree = this.tree;
+      if (!this.searchQuery && !this.filterType && !this.sortBy) this.displayTree = [...this.tree];
+      else if (this.sortBy) this.doSort();
+      else this.doFilter();
       // Auto-dismiss + permanent after 5s
       this.undoTimeout = setTimeout(function() {
         self.undoVisible = false;
@@ -1112,7 +1114,7 @@ document.addEventListener('alpine:init', function() {
     doFilter() {
       var q = (this.searchQuery || '').toLowerCase().trim();
       var ft = this.filterType || '';
-      if (!q && !ft) { this.displayTree = this.tree; return; }
+      if (!q && !ft) { this.displayTree = [...this.tree]; return; }
       var self = this;
       this.displayTree = this._filterTree(this.tree, q, ft);
     },
@@ -1197,6 +1199,8 @@ document.addEventListener('alpine:init', function() {
       });
       if (r.ok) {
         var d = await r.json();
+        // Save parent ref BEFORE clearing so we can insert into tree
+        var parent = this.parentFolder;
         this.showCreate = false;
         this.parentFolder = null;
         this.newName = '';
@@ -1208,19 +1212,25 @@ document.addEventListener('alpine:init', function() {
           content_format: isFolder ? null : 'blocks',
           children: [], has_children: false, depth: 0
         };
-        if (this.parentFolder && this.parentFolder.db_id) {
+        if (parent && parent.db_id) {
           // Insert as child of parent folder
-          this._insertIntoParent(this.tree, this.parentFolder.db_id, newNode);
+          this._insertIntoParent(this.tree, parent.db_id, newNode);
           // Auto-expand parent so the new item is visible
-          this.expanded[this.parentFolder.db_id] = true;
+          this.expanded[parent.db_id] = true;
           this.expanded = Object.assign({}, this.expanded);
         } else {
           // Insert at root
           this.tree.unshift(newNode);
         }
-        // Update displayTree
+        // Force new reference so Alpine x-for re-renders
         if (!this.searchQuery && !this.filterType) {
-          this.displayTree = this.tree;
+          this.displayTree = [...this.tree];
+        } else if (this.sortBy) {
+          // Re-sort with the new item
+          this.doSort();
+        } else {
+          // Re-apply filter with updated tree
+          this.doFilter();
         }
         this._saveExpandedState();
       }
@@ -1498,7 +1508,7 @@ document.addEventListener('alpine:init', function() {
           var items = d.items || [];
           setTimeout(function() {
             self.uploading = false;
-            this._reloadAfterAction();
+            self._reloadAfterAction();
           }, 800);
         } else {
           this.uploadStatus = '✗ ' + (d.error || 'Upload failed');