feat(desktop): implement phase 2 native capabilities

frontend/src/api/authClient.ts

@@ -1,6 +1,6 @@
 import axios from "axios";
 import type { AxiosResponse } from "axios";
-import { clientRuntime, DESKTOP_SERVER_URL_CHANGED_EVENT } from "../runtime";
+import { clientRuntime, DESKTOP_SERVER_URL_CHANGED_EVENT, getAppMetadataHeaders } from "../runtime";
 
 const authClient = axios.create({
   baseURL: clientRuntime.apiBaseUrl(),
@@ -15,6 +15,12 @@ if (typeof window !== "undefined") {
   window.addEventListener(DESKTOP_SERVER_URL_CHANGED_EVENT, refreshAuthClientBaseUrl);
 }
 
+authClient.interceptors.request.use((config) => {
+  config.headers = config.headers || {};
+  Object.assign(config.headers, getAppMetadataHeaders());
+  return config;
+});
+
 export type ExtendResponse = {
   accessToken: string;
   expiresAt: string;