Serve the web client from the daemon (#1635)

* Serve the web client from the daemon

Keep the bundled browser UI opt-in and exclude it from desktop packaging so desktop builds do not ship a duplicate renderer.

* Escape daemon web UI bootstrap hint

* Fix bundled web UI dist path

packages/desktop/src/daemon/daemon-manager.test.ts

@@ -369,6 +369,7 @@ describe("daemon-manager commands", () => {
       expect.objectContaining({
         detached: true,
         stdio: ["ignore", "ignore", "ignore"],
+        envOverlay: expect.objectContaining({ PASEO_WEB_UI_ENABLED: "false" }),
       }),
     );
   });