Add create folder handler

app/dashboard/folders/page.tsx

@@ -961,12 +961,50 @@ export default function FoldersPage() {
   }
 
   const handleCreateFolder = () => {
-    setFolderName("")
-    setFolderDescription("")
-    setFolderColor("blue")
-    setFolderTags("")
-    setFolderAccess("private")
-    setActionModal({ type: "create", folder: null, folders: [] })
+    setShowCreateFolderModal(true)
+  }
+
+  const handleSaveNewFolder = useCallback((folderData: SDKFolderData) => {
+    console.log('Debug - handleSaveNewFolder:', {
+      isConnected,
+      userPairingId,
+      userPairingIdType: typeof userPairingId,
+      userStoreConnected: UserStore.getInstance().isConnected(),
+      userStorePairingId: UserStore.getInstance().getUserPairingId()
+    });
+
+    if (userPairingId !== null && isConnected) {
+      const roles = setDefaultFolderRoles(userPairingId, [], []);
+      const folderPrivateFields = FolderPrivateFields;
+      
+      MessageBus.getInstance(iframeUrl).createFolder(folderData, folderPrivateFields, roles).then((_folderCreated: FolderCreated) => {
+        MessageBus.getInstance(iframeUrl).notifyProcessUpdate(_folderCreated.processId, _folderCreated.process.states[0].state_id).then(() => {
+          MessageBus.getInstance(iframeUrl).validateState(_folderCreated.processId, _folderCreated.process.states[0].state_id).then((_updatedProcess: any) => {
+            MessageBus.getInstance(iframeUrl).getProcesses().then((processes: any) => {
+              setProcesses(processes);
+            });
+          });
+        })
+      }).catch((error) => {
+        console.error('Erreur lors de la création du dossier 4NK:', error);
+        showNotification("error", "Erreur lors de la création du dossier");
+      });
+
+      setShowCreateFolderModal(false);
+      showNotification("success", `Dossier "${folderData.name}" créé avec succès sur 4NK`);
+    } else {
+      console.error('Conditions non remplies:', {
+        userPairingIdCheck: userPairingId !== null,
+        isConnectedCheck: isConnected,
+        actualUserPairingId: userPairingId,
+        actualIsConnected: isConnected
+      });
+      showNotification("error", `Vous devez être connecté à 4NK pour créer un dossier (Connected: ${isConnected}, PairingId: ${userPairingId ? 'OK' : 'NULL'})`);
+    }
+  }, [userPairingId, isConnected, iframeUrl]);
+
+  const handleCancelCreateFolder = () => {
+    setShowCreateFolderModal(false)
   }
 
   const handleToggleFavorite = (folderId: number) => {