feat: add auth extension points and one ssh connect pipeline

src/ui/tests/auth/ElectronLoginForm.test.tsx

@@ -1,4 +1,4 @@
-import { render, screen } from "@testing-library/react";
+import { render, screen, waitFor } from "@testing-library/react";
 import { describe, expect, it, vi } from "vitest";
 import { ElectronLoginForm } from "../../auth/ElectronLoginForm";
 
@@ -23,4 +23,35 @@ describe("ElectronLoginForm", () => {
     expect(permissions).toContain("publickey-credentials-get");
     expect(permissions).toContain("publickey-credentials-create");
   });
+
+  it.each([
+    "auth_component",
+    "totp_auth_component",
+    "passkey_auth_component",
+    "method_auth_component",
+  ])("accepts a login hand-off from %s", async (source) => {
+    const onAuthSuccess = vi.fn();
+    render(
+      <ElectronLoginForm
+        serverUrl="https://termix.example.com"
+        onAuthSuccess={onAuthSuccess}
+        onChangeServer={vi.fn()}
+      />,
+    );
+    const frame = screen.getByTitle(
+      "Server Authentication",
+    ) as HTMLIFrameElement;
+    window.dispatchEvent(
+      new MessageEvent("message", {
+        source: frame.contentWindow,
+        data: {
+          type: "AUTH_SUCCESS",
+          platform: "desktop",
+          source,
+          token: "jwt-1",
+        },
+      }),
+    );
+    await waitFor(() => expect(onAuthSuccess).toHaveBeenCalledWith("jwt-1"));
+  });
 });