- New endpoint GET /api/sidebar/workspace-tree returns sidebar tree HTML fragment
- refreshSidebarTree() in appState() fetches and replaces #sidebar-workspace-items
- Custom event 'flowdeck:sidebar-refresh' dispatched after doCreate/doRename/doDelete
- newFolderInWorkspace, deleteWorkspacePage, wsCtxAction('rename') now use
refreshSidebarTree() instead of window.location.reload()
- Sidebar stays in sync without full page refresh