Persist one browser user agent for Axios and WebSockets

lib/hyperliquid-feed.ts

@@ -12,8 +12,6 @@
  * No key, no account: POST https://api.hyperliquid.xyz/info.
  */
 
-import axios from 'axios';
-
 const INFO_URL = 'https://api.hyperliquid.xyz/info';
 const TIMEOUT_MS = 10_000;
 const META_TTL_MS = 60 * 60_000;
@@ -21,6 +19,8 @@ const META_TTL_MS = 60 * 60_000;
 const DEXES = ['', 'xyz'];
 
 async function info<T>(body: Record<string, unknown>): Promise<T> {
+    // Keep the pure quote helpers usable without opening the instance database.
+    const { default: axios } = await import('./http-client');
     const res = await axios.post(INFO_URL, body, {
         timeout: TIMEOUT_MS,
         signal: AbortSignal.timeout(TIMEOUT_MS + 5_000),