@@ -3,12 +3,16 @@ name: Desktop
 # The shell is the one thing here that cannot be proved by running it on Linux: it is a macOS app, a
 # Windows app and a Linux app built from one tree, and the ways they differ are exactly the ways
 # this fails. So it tests and builds on all three, on every change to it.
+# `shared/harnesses.json` and `shared/marks/**` are watched here even though they are not under
+# desktop/: the catalogue the setup window draws moved there so the web app could read one copy, and
+# these jobs are the only ones that prove it still deserializes into `Harness` — `catalogue()` parses
+# it at runtime with an `expect`, so a bad row panics the window rather than failing a type check.
 on:
   pull_request:
-    paths: ["desktop/**", "package.json", ".github/workflows/desktop.yml"]
+    paths: ["desktop/**", "shared/harnesses.json", "shared/marks/**", "package.json", ".github/workflows/desktop.yml"]
   push:
     branches: [main]
-    paths: ["desktop/**", "package.json", ".github/workflows/desktop.yml"]
+    paths: ["desktop/**", "shared/harnesses.json", "shared/marks/**", "package.json", ".github/workflows/desktop.yml"]
   workflow_call:
     secrets:
       OPENBOT_GOOGLE_MODEL_OAUTH_CLIENT_SECRET:
 
@@ -89,7 +89,7 @@ export function AgentProfile({ agentId }: { agentId: string }) {
 
       <section className="grid gap-2">
         <h2 className="text-xs font-medium uppercase tracking-wide text-muted-foreground">
-          Role
+          What it does
         </h2>
         <p className="text-sm whitespace-pre-wrap text-pretty">
           {profile.roleDescription}
 
@@ -0,0 +1,32 @@
+import { markFor } from "@/lib/marks";
+
+/**
+ * A framework's own mark, beside its name.
+ *
+ * Draws nothing when the brand has no mark. Three of the frameworks have none in any maintained
+ * set, and `shared/marks/README.md` is explicit about why nothing is drawn to fill the gap: a
+ * monogram we drew would read as the vendor's own, which is the thing a trade mark holder actually
+ * objects to. The caller draws the name either way, so a row without a mark is not a lesser one.
+ *
+ * Decorative, always: `alt=""` and `aria-hidden`, because the name is already there in text and a
+ * screen reader announcing "LangGraph LangGraph" is worse than one announcing it once.
+ */
+export function HarnessMark({ id, name }: { id: string | null; name: string }) {
+  const uri = markFor(id);
+  /*
+   * An empty box of the same size, not nothing. Four of the twelve rows have no mark, and a
+   * collapsed box started their names a tile's width to the left of the rest — a ragged list rather
+   * than four brands without artwork. Reserving the column draws no mark and invents none, which is
+   * what the README forbids; it only keeps the names in line.
+   */
+  if (!uri) return <span aria-hidden="true" className="size-5 shrink-0" />;
+  return (
+    <img
+      alt=""
+      aria-hidden="true"
+      className="size-5 shrink-0"
+      data-mark={name}
+      src={uri}
+    />
+  );
+}
@@ -61,7 +61,9 @@ const TEXT_FIELDS: {
   { field: "title", label: "Title", icon: IconTag },
   {
     field: "roleDescription",
-    label: "Role",
+    // Not "Role": beside "Title" it read as a second job title, when it is the standing
+    // instruction the Bot carries into every channel. The create dialog says the same.
+    label: "What it does",
     icon: IconTextCaption,
     multiline: true,
   },
 
@@ -19,8 +19,8 @@ export const agentFormSchema = z.object({
   roleDescription: z
     .string()
     .trim()
-    .min(1, "Role description is required.")
-    .max(1000, "Role description must be 1000 characters or fewer."),
+    .min(1, "A description of what it does is required.")
+    .max(1000, "What it does must be 1000 characters or fewer."),
   visibility: z.enum(["public", "private"]),
   /**
    * The AG-UI endpoint this coworker runs on. Empty means the Bot in the box.
 
@@ -0,0 +1,28 @@
+/**
+ * The vendored brand marks, inlined at build time as data URIs.
+ *
+ * The same files the desktop setup window draws, read from `shared/marks/` so there is one copy of
+ * each vendor's artwork rather than two to keep in step. See `shared/marks/README.md` before
+ * adding, renaming or drawing anything here: the rules in it are the reason a brand with no mark
+ * shows its name alone instead of a monogram we invented.
+ *
+ * As URIs rather than SVG source on purpose: an `<img>` cannot execute anything, so drawing these
+ * needs no `dangerouslySetInnerHTML` and what is in the file never becomes a security question.
+ */
+const files = import.meta.glob("../../../shared/marks/*.svg", {
+  eager: true,
+  query: "?inline",
+  import: "default",
+}) as Record<string, string>;
+
+const byId = new Map<string, string>(
+  Object.entries(files).map(([path, uri]) => [
+    path.replace(/^.*\/marks\//, "").replace(".svg", ""),
+    uri,
+  ]),
+);
+
+/** The mark for a brand id, or null where no maintained set has one. */
+export function markFor(id: string | null | undefined): string | null {
+  return (id && byId.get(id)) ?? null;
+}
@@ -22,7 +22,8 @@ function BotsPage() {
           render={(props) => (
             <Link {...props} search={{ new: true }} to="/bots" />
           )}
-          size="lg"
+          size="sm"
+          variant="ghost"
         >
           <IconPlus />
           New Bot
 
@@ -172,17 +172,18 @@ test("the new-coworker wizard does not move on from the Enter that confirms a co
   const name = await view.findByLabelText("Name");
   await type(name, "経費");
   await type(view.getByLabelText("Title"), "Finance Operations");
-  await type(view.getByLabelText("Role"), "Review receipts.");
+  await type(view.getByLabelText("What it does"), "Review receipts.");
 
   await confirmComposedCharacter(name);
   await settle();
-  expect(view.getByText("Step 1 of 3")).toBeTruthy();
+  // The wizard draws no counter, so the step's own heading is what says where we are.
+  expect(view.getByText("Who is this coworker?")).toBeTruthy();
 
   // An ordinary Enter still means Continue.
   await act(async () => {
     fireEvent.keyDown(name, { key: "Enter", keyCode: 13 });
   });
-  expect(await view.findByText("Step 2 of 3")).toBeTruthy();
+  expect(await view.findByText("Where does it run?")).toBeTruthy();
 });
 
 test("a boundary rule is not saved by the Enter that confirms a composed character", async () => {
 
@@ -0,0 +1,181 @@
+import {
+  afterAll,
+  afterEach,
+  beforeAll,
+  beforeEach,
+  expect,
+  mock,
+  test,
+} from "bun:test";
+import { GlobalRegistrator } from "@happy-dom/global-registrator";
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import {
+  createMemoryHistory,
+  createRootRoute,
+  createRouter,
+  RouterProvider,
+} from "@tanstack/react-router";
+import { act, cleanup, fireEvent, render } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import type { ReactNode } from "react";
+import { settleReactWork } from "./settle-react-work";
+
+/*
+ * `import.meta.glob` is Vite's, and `bun test` has no Vite. Stubbed the way the desktop stubs its
+ * own marks module, keeping the shape that matters here: a brand with a vendored mark resolves to
+ * something drawable, and one without resolves to null so its row shows the name alone.
+ */
+mock.module("@/lib/marks", () => ({
+  markFor: (id: string | null | undefined) =>
+    id ? `data:image/svg+xml,${id}` : null,
+}));
+
+/*
+ * Imported after the stub above, not beside the other imports: a static import is hoisted
+ * and would evaluate the real marks module — and its Vite-only glob — before `mock.module`
+ * ever ran.
+ */
+const { CreateAgentDialog } = await import(
+  "@/components/agents/create-agent-dialog"
+);
+
+/**
+ * The AG-UI endpoint, on a step of its own.
+ *
+ * It is generic: every framework leads here and none of them changes a word of it. The step exists
+ * only for a Bot somebody else hosts, so the Bot that runs on this deployment never sees it.
+ */
+
+beforeAll(() => GlobalRegistrator.register());
+afterEach(cleanup);
+afterAll(async () => {
+  await settleReactWork();
+  GlobalRegistrator.unregister();
+});
+
+const originalFetch = global.fetch;
+/** Every write the dialog sent, so "the endpoint was discarded" is an assertion. */
+let writes: { request: string; body: Record<string, unknown> }[] = [];
+
+beforeEach(() => {
+  writes = [];
+  global.fetch = Object.assign(
+    async (
+      path: Parameters<typeof fetch>[0],
+      init?: Parameters<typeof fetch>[1],
+    ) => {
+      const method = init?.method ?? "GET";
+      if (path === "/api/agents/capabilities") {
+        return Response.json({ capabilities: { builtInAvailable: true } });
+      }
+      if (method === "POST" && String(path).startsWith("/api/agents")) {
+        writes.push({
+          request: `${method} ${path}`,
+          body: typeof init?.body === "string" ? JSON.parse(init.body) : {},
+        });
+        return Response.json({ agent: { id: "expense-manager" } });
+      }
+      return new Response(null, { status: 404 });
+    },
+    { preconnect: originalFetch.preconnect },
+  );
+});
+
+afterEach(() => {
+  global.fetch = originalFetch;
+});
+
+function draw(screen: ReactNode) {
+  const queryClient = new QueryClient({
+    defaultOptions: { queries: { retry: false }, mutations: { retry: false } },
+  });
+  const router = createRouter({
+    history: createMemoryHistory({ initialEntries: ["/"] }),
+    routeTree: createRootRoute({ component: () => screen }),
+  });
+  return render(
+    <QueryClientProvider client={queryClient}>
+      <RouterProvider router={router} />
+    </QueryClientProvider>,
+  );
+}
+
+async function atKindStep() {
+  const view = draw(
+    <CreateAgentDialog onClose={() => {}} onCreated={() => {}} open />,
+  );
+  const name = await view.findByLabelText("Name");
+  const user = userEvent.setup({ document: name.ownerDocument });
+  await user.type(name, "Expense Manager");
+  await user.type(view.getByLabelText("Title"), "Finance Operations");
+  await user.type(view.getByLabelText("What it does"), "Review receipts.");
+  await user.click(view.getByText("Continue"));
+  await view.findByText("Where does it run?");
+  return { view, user };
+}
+
+test("a framework leads to one generic endpoint step", async () => {
+  const { view, user } = await atKindStep();
+  await user.click(view.getByRole("button", { name: /CrewAI/ }));
+  const field = await view.findByLabelText("Agent endpoint");
+  expect(field).toBeTruthy();
+  /*
+   * Generic: the framework that led here is not named on it. Scoped to this step's own pane
+   * rather than the popup, because the pane being slid out is still mounted mid-animation and
+   * carries the name of the button that was just pressed.
+   */
+  const pane = view
+    .getByText("Where can it be reached?")
+    .closest('[data-slot="questionnaire-item"]');
+  expect(pane?.textContent).not.toContain("CrewAI");
+});
+
+test("the Bot that runs here skips the endpoint step entirely", async () => {
+  const { view, user } = await atKindStep();
+  await user.click(view.getByRole("button", { name: /Run it here/ }));
+  expect(await view.findByText("Who can see it?")).toBeTruthy();
+  expect(view.queryByLabelText("Agent endpoint")).toBeNull();
+});
+
+test("going back keeps the framework that was chosen", async () => {
+  const { view, user } = await atKindStep();
+  await user.click(view.getByRole("button", { name: /CrewAI/ }));
+  await view.findByLabelText("Agent endpoint");
+  await user.click(view.getByText("Back"));
+  const chosen = await view.findByRole("button", { name: /CrewAI/ });
+  expect(chosen.getAttribute("aria-pressed")).toBe("true");
+});
+
+/*
+ * Review Focus: an endpoint typed on the way past must not ride along into a Bot that runs here.
+ * The server stores whatever it is sent, and a built-in Bot carrying somebody's stale URL would be
+ * dialled at it.
+ */
+test("choosing Run it here discards an endpoint typed earlier", async () => {
+  const { view, user } = await atKindStep();
+  await user.click(view.getByRole("button", { name: /CrewAI/ }));
+  await user.type(
+    await view.findByLabelText("Agent endpoint"),
+    "https://example.com/ag-ui",
+  );
+  await user.click(view.getByText("Back"));
+  await user.click(view.getByRole("button", { name: /Run it here/ }));
+  await view.findByText("Who can see it?");
+  await user.click(view.getByText("Create coworker"));
+  await act(async () => {
+    await new Promise((resolve) => setTimeout(resolve, 50));
+  });
+  expect(writes).toHaveLength(1);
+  expect(writes[0]?.body.endpoint).toBe("");
+});
+
+test("Enter in the endpoint field advances the step", async () => {
+  const { view, user } = await atKindStep();
+  await user.click(view.getByRole("button", { name: /CrewAI/ }));
+  const field = await view.findByLabelText("Agent endpoint");
+  await user.type(field, "https://example.com/ag-ui");
+  await act(async () => {
+    fireEvent.keyDown(field, { key: "Enter", keyCode: 13 });
+  });
+  expect(await view.findByText("Who can see it?")).toBeTruthy();
+});