From 4e4c8d0c0e40ab7fea587d192059e3aa1352b07e Mon Sep 17 00:00:00 2001
From: Danny Avila <danny@librechat.ai>
Date: Mon, 10 Nov 2025 21:40:37 -0500
Subject: [PATCH] =?UTF-8?q?=F0=9F=93=9C=20feat:=20Configurable=20Debug=20M?=
 =?UTF-8?q?essage=20Length=20for=20Logs=20(#10447)?=
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- Added DEBUG_MESSAGE_LENGTH constant to allow dynamic adjustment of debug message length based on environment variable.
- Updated logging format to utilize the new constant for truncating debug messages, enhancing flexibility in log output.
---
 api/config/parsers.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/api/config/parsers.js b/api/config/parsers.js
index 7bf5be336e..46394a9ff8 100644
--- a/api/config/parsers.js
+++ b/api/config/parsers.js
@@ -5,6 +5,7 @@ const traverse = require('traverse');
 const SPLAT_SYMBOL = Symbol.for('splat');
 const MESSAGE_SYMBOL = Symbol.for('message');
 const CONSOLE_JSON_STRING_LENGTH = parseInt(process.env.CONSOLE_JSON_STRING_LENGTH) || 255;
+const DEBUG_MESSAGE_LENGTH = parseInt(process.env.DEBUG_MESSAGE_LENGTH) || 150;
 
 const sensitiveKeys = [
   /^(sk-)[^\s]+/, // OpenAI API key pattern
@@ -118,7 +119,7 @@ const debugTraverse = winston.format.printf(({ level, message, timestamp, ...met
     return `${timestamp} ${level}: ${JSON.stringify(message)}`;
   }
 
-  let msg = `${timestamp} ${level}: ${truncateLongStrings(message?.trim(), 150)}`;
+  let msg = `${timestamp} ${level}: ${truncateLongStrings(message?.trim(), DEBUG_MESSAGE_LENGTH)}`;
   try {
     if (level !== 'debug') {
       return msg;