Add workspace setup streaming and setup tab

packages/app/src/screens/workspace/workspace-desktop-tabs-row.tsx

@@ -79,6 +79,9 @@ function getFallbackTabLabel(tab: WorkspaceTabDescriptor): string {
   if (tab.target.kind === "draft") {
     return "New Agent";
   }
+  if (tab.target.kind === "setup") {
+    return "Setup";
+  }
   if (tab.target.kind === "terminal") {
     return "Terminal";
   }

packages/app/src/screens/workspace/workspace-screen.tsx

@@ -139,6 +139,9 @@ function getFallbackTabOptionLabel(tab: WorkspaceTabDescriptor): string {
   if (tab.target.kind === "draft") {
     return "New Agent";
   }
+  if (tab.target.kind === "setup") {
+    return "Setup";
+  }
   if (tab.target.kind === "terminal") {
     return "Terminal";
   }
@@ -152,6 +155,9 @@ function getFallbackTabOptionDescription(tab: WorkspaceTabDescriptor): string {
   if (tab.target.kind === "draft") {
     return "New Agent";
   }
+  if (tab.target.kind === "setup") {
+    return "Workspace setup";
+  }
   if (tab.target.kind === "agent") {
     return "Agent";
   }

packages/app/src/screens/workspace/workspace-tab-menu.ts

@@ -76,6 +76,9 @@ function getCloseButtonTestId(tab: WorkspaceTabDescriptor): string {
   if (tab.target.kind === "draft") {
     return `workspace-draft-close-${tab.target.draftId}`;
   }
+  if (tab.target.kind === "setup") {
+    return `workspace-setup-close-${encodeFilePathForPathSegment(tab.target.workspaceId)}`;
+  }
   return `workspace-file-close-${encodeFilePathForPathSegment(tab.target.path)}`;
 }