fix(workspace): menu contextuel après navigation partielle + sync sidebar/header au rename

app/templates/base.html

@@ -816,6 +816,26 @@
       return m ? m[1] : '';
     },
 
+    /** Reflète le rename d'une page/dossier dans toute l'UI : sidebar gauche
+        (Récents, Privé, Favoris + arbre du workspace), breadcrumb du header
+        (event flowdeck:page-renamed) et frame parente (postMessage). */
+    syncPageTitle: function(pid, title) {
+      var t = (title || '').trim() || 'Untitled';
+      document.querySelectorAll('.sidebar-item[data-page-id="page/' + pid + '"]').forEach(function(item) {
+        var n = item.querySelector('.page-name');
+        if (n) n.textContent = t;
+      });
+      document.querySelectorAll('.sidebar-item.ws-tree-item[data-id="' + pid + '"]').forEach(function(item) {
+        item.setAttribute('data-name', t);
+        var n = item.querySelector('.page-name');
+        if (n) n.textContent = t;
+      });
+      window.dispatchEvent(new CustomEvent('flowdeck:page-renamed', { detail: { id: pid, title: t } }));
+      if (window.parent && window.parent !== window) {
+        try { window.parent.postMessage({ type: 'fd-page-renamed', id: pid, title: t }, window.location.origin); } catch (e) {}
+      }
+    },
+
     /** Refresh CSRF token from the server. Returns a promise resolving to the new token. */
     refreshCsrfToken: async function() {
       try {
@@ -1182,6 +1202,7 @@
                 body: JSON.stringify({ name: newName.trim() })
               }).then(function(r) {
                 if (r.ok) {
+                  if (window.FlowDeck && window.FlowDeck.syncPageTitle) window.FlowDeck.syncPageTitle(id, newName.trim());
                   self.refreshSidebarTree();
                   document.dispatchEvent(new CustomEvent('flowdeck:workspace-changed'));
                   if (window._wsData && window._wsData._reloadAfterAction) {