Show optimistic chat for new workspaces

packages/app/src/panels/agent-panel-descriptor.test.tsx

@@ -0,0 +1,44 @@
+import { describe, expect, it } from "vitest";
+import { buildDraftPanelDescriptor } from "@/panels/draft-panel-descriptor";
+
+function TestIcon() {
+  return null;
+}
+
+describe("buildDraftPanelDescriptor", () => {
+  it("uses the initial prompt title and running loader bucket during create", () => {
+    const descriptor = buildDraftPanelDescriptor({
+      isCreating: true,
+      pendingPrompt: "Build the dashboard",
+      icon: TestIcon,
+    });
+
+    expect(descriptor).toMatchObject({
+      label: "Build the dashboard",
+      subtitle: "Creating agent",
+      titleState: "ready",
+      statusBucket: "running",
+    });
+  });
+
+  it("falls back to the draft title for empty create prompts", () => {
+    const descriptor = buildDraftPanelDescriptor({
+      isCreating: true,
+      pendingPrompt: "   ",
+      icon: TestIcon,
+    });
+
+    expect(descriptor.label).toBe("New Agent");
+  });
+
+  it("keeps ordinary draft tabs labeled as new agents", () => {
+    const descriptor = buildDraftPanelDescriptor({ isCreating: false, icon: TestIcon });
+
+    expect(descriptor).toMatchObject({
+      label: "New Agent",
+      subtitle: "New Agent",
+      titleState: "ready",
+      statusBucket: null,
+    });
+  });
+});