From 247f8f709ffe68c8588b8c3eb954c12e0ab521b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nguy=E1=BB=85n=20Ph=C6=B0=C6=A1ng?=
 <55752553+akamabu@users.noreply.github.com>
Date: Wed, 13 May 2026 07:31:29 +0700
Subject: [PATCH] Docs: Document callback_handler.ts

---
 packages/instrumentation-langchain/src/callback_handler.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/instrumentation-langchain/src/callback_handler.ts b/packages/instrumentation-langchain/src/callback_handler.ts
index 39db59fd..70a1e559 100644
--- a/packages/instrumentation-langchain/src/callback_handler.ts
+++ b/packages/instrumentation-langchain/src/callback_handler.ts
@@ -1,3 +1,4 @@
+/** Documents packages/instrumentation-langchain/src/callback_handler.ts module purpose and public usage context */
 /*
  * Copyright Traceloop
  *