update add api endpoints for chat and media

lib/cloud.ts

@@ -0,0 +1,7 @@
+// Server-only config for the Frontend Cloud proxy routes.
+// The API key lives here (read from a non-public env var) so it is never
+// shipped to the browser bundle.
+
+export const CLOUD_BASE = "https://cloud.frontend.co";
+
+export const FRONTEND_API_KEY = process.env.FRONTEND_API_KEY ?? "";