diff --git a/apps/web/app/api/workspace/tree/route.ts b/apps/web/app/api/workspace/tree/route.ts
index 0d44792c2e5..a4a986d185f 100644
--- a/apps/web/app/api/workspace/tree/route.ts
+++ b/apps/web/app/api/workspace/tree/route.ts
@@ -177,16 +177,18 @@ async function buildTree(
     const isSymlink = entry.isSymbolicLink();
 
     if (effectiveType === "directory") {
-      // Detect .dench.app folders -- treat as app nodes (no children exposed)
+      // Detect .dench.app folders -- treat as app nodes
       if (entry.name.endsWith(".dench.app")) {
         const manifest = await readAppManifest(absPath);
         const displayName = manifest?.name || entry.name.replace(/\.dench\.app$/, "");
+        const children = showHidden ? await buildTree(absPath, relPath, dbObjects, showHidden) : undefined;
         nodes.push({
           name: displayName,
           path: relPath,
           type: "app",
           icon: manifest?.icon,
           appManifest: manifest ?? { name: displayName, entry: "index.html", runtime: "static" },
+          ...(children && children.length > 0 && { children }),
           ...(isSymlink && { symlink: true }),
         });
         continue;
diff --git a/apps/web/app/components/workspace/file-manager-tree.tsx b/apps/web/app/components/workspace/file-manager-tree.tsx
index ba4a7a75bfc..7e0fc7e137e 100644
--- a/apps/web/app/components/workspace/file-manager-tree.tsx
+++ b/apps/web/app/components/workspace/file-manager-tree.tsx
@@ -470,7 +470,7 @@ function DraggableNode({
   // Workspace root in browse mode: non-expandable entry point back to workspace
   const isWorkspaceRoot = !!workspaceRoot && node.path === workspaceRoot;
   const hasChildren = node.children && node.children.length > 0;
-  const isExpandable = isWorkspaceRoot ? false : node.type === "app" ? false : (hasChildren || node.type === "folder" || node.type === "object");
+  const isExpandable = isWorkspaceRoot ? false : node.type === "app" ? !!hasChildren : (hasChildren || node.type === "folder" || node.type === "object");
   const isExpanded = isWorkspaceRoot ? false : expandedPaths.has(node.path);
   const isActive = activePath === node.path;
   const isSelected = selectedPath === node.path;
diff --git a/apps/web/app/workspace/workspace-content.tsx b/apps/web/app/workspace/workspace-content.tsx
index 91831f19635..8aabdecad37 100644
--- a/apps/web/app/workspace/workspace-content.tsx
+++ b/apps/web/app/workspace/workspace-content.tsx
@@ -184,6 +184,17 @@ export type DenchAppManifest = {
   entry?: string;
   runtime?: "static" | "esbuild" | "build";
   permissions?: string[];
+  display?: "full" | "widget";
+  widget?: {
+    width?: number;
+    height?: number;
+    refreshInterval?: number;
+  };
+  tools?: Array<{
+    name: string;
+    description: string;
+    inputSchema?: unknown;
+  }>;
 };
 
 type SidebarPreviewContent =
@@ -1063,6 +1074,7 @@ function WorkspacePageInner() {
           // Clicking the cron directory → show cron dashboard
           if (node.path === openclawDir + "/cron") {
             setBrowseDir(null);
+            openTabForNode({ path: "~cron", name: "Cron", type: "folder" });
             setActivePath("~cron");
             setContent({ kind: "cron-dashboard" });
             return;
@@ -1105,6 +1117,7 @@ function WorkspacePageInner() {
         const jobId = node.path.slice("~cron/".length);
         const job = cronJobs.find((j) => j.id === jobId);
         if (job) {
+          openTabForNode(node);
           setActivePath(node.path);
           setContent({ kind: "cron-job", jobId, job });
           return;
@@ -1112,6 +1125,7 @@ function WorkspacePageInner() {
       }
       // Clicking the Cron folder itself opens the dashboard
       if (node.path === "~cron") {
+        openTabForNode(node);
         setActivePath(node.path);
         setContent({ kind: "cron-dashboard" });
         return;