From bb7a4f6629a872c608e84a41325bcce9cfdbff08 Mon Sep 17 00:00:00 2001
From: gongzhiyong <gongzhiyong@gongzhiyong-Mac-Mini.local>
Date: Thu, 9 Apr 2026 17:17:15 +0800
Subject: [PATCH] chore: temporarily use logger.warning for on_chain_start
 observation

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
---
 backend/app/api/chat.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/app/api/chat.py b/backend/app/api/chat.py
index 5a2ebc7..e6802d1 100644
--- a/backend/app/api/chat.py
+++ b/backend/app/api/chat.py
@@ -146,7 +146,7 @@ async def _stream_response(request: ChatRequest) -> AsyncIterator[bytes]:
                 chain_name = event.get("name", "")
                 metadata = event.get("metadata", {})
                 tags = event.get("tags", [])
-                logger.debug(
+                logger.warning(
                     "on_chain_start: name=%s, langgraph_node=%s, tags=%s",
                     chain_name,
                     metadata.get("langgraph_node", ""),