diff --git a/app/static/js/chat.js b/app/static/js/chat.js
index a804e8e..9fac14c 100644
--- a/app/static/js/chat.js
+++ b/app/static/js/chat.js
@@ -1,6 +1,5 @@
 // ── Chat Widget JavaScript ──
-// BASE_PATH is declared in main.js (loaded first on index.html)
-if (typeof BASE_PATH === 'undefined') var BASE_PATH = window.BASE_PATH || '';
+// NOTE: Uses BASE_PATH from main.js (loaded before this file on index.html)
 
 let chatSessionId = sessionStorage.getItem('chat_session');
 if (!chatSessionId) {