user-agent.ts

defines global user-agent string for all http requests

instrumentation.ts
    sets axios default user-agent to our global user-agent string on library import

src/instrumentation.ts

@@ -0,0 +1,7 @@
+export async function register() {
+  if (process.env.NEXT_RUNTIME === 'nodejs') {
+    const axios = (await import('axios')).default;
+    const { RMAB_USER_AGENT } = await import('@/lib/utils/user-agent');
+    axios.defaults.headers.common['User-Agent'] = RMAB_USER_AGENT;
+  }
+}

src/lib/utils/user-agent.ts

@@ -0,0 +1,3 @@
+import { version } from '../../../package.json';
+
+export const RMAB_USER_AGENT = `rmab/${version}`;