Apparently Response.redirect does not work with relative paths

functions/api/auth/mobile/login.ts

@@ -1,3 +1,8 @@
-export async function onRequestGet(context: RequestContext) {
+export async function onRequestGet(_context: RequestContext) {
-  return Response.redirect("/api/auth/oauth");
+  return new Response(null, {
+    headers: {
+      location: "/api/auth/oauth",
+    },
+    status: 302,
+  });
 }