[backport cloud/1.37] fix: use authenticated API for remote config polling (#8284)

Backport of #8266 to `cloud/1.37`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8284-backport-cloud-1-37-fix-use-authenticated-API-for-remote-config-polling-2f16d73d365081d2898ff4fc1af441f0)
by [Unito](https://www.unito.io)

Co-authored-by: Christian Byrne <cbyrne@comfy.org>

src/platform/remoteConfig/refreshRemoteConfig.ts

@@ -2,9 +2,28 @@ import { api } from '@/scripts/api'
 
 import { remoteConfig } from './remoteConfig'
 
-export async function refreshRemoteConfig(): Promise<void> {
+interface RefreshRemoteConfigOptions {
+  /**
+   * Whether to use authenticated API (default: true).
+   * Set to false during bootstrap before auth is initialized.
+   */
+  useAuth?: boolean
+}
+
+/**
+ * Loads remote configuration from the backend /features endpoint
+ * and updates the reactive remoteConfig ref
+ */
+export async function refreshRemoteConfig(
+  options: RefreshRemoteConfigOptions = {}
+): Promise<void> {
+  const { useAuth = true } = options
+
   try {
-    const response = await api.fetchApi('/features', { cache: 'no-store' })
+    const response = useAuth
+      ? await api.fetchApi('/features', { cache: 'no-store' })
+      : await fetch('/api/features', { cache: 'no-store' })
+
     if (response.ok) {
       const config = await response.json()
       window.__CONFIG__ = config
@@ -19,5 +38,7 @@ export async function refreshRemoteConfig(): Promise<void> {
     }
   } catch (error) {
     console.error('Failed to fetch remote config:', error)
+    window.__CONFIG__ = {}
+    remoteConfig.value = {}
   }
 }