From c1fb52551d0e02dba60374ecb31150ff66bc6288 Mon Sep 17 00:00:00 2001
From: "2569718930@qq.com" <2569718930@qq.com>
Date: Sat, 14 Mar 2026 11:55:57 +0800
Subject: [PATCH] feat: Implement BotIOLayer for Telegram I/O, user points
 management, and message routing.

---
 src/bot/io_layer.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/bot/io_layer.py b/src/bot/io_layer.py
index 0c32324b..60a2f154 100644
--- a/src/bot/io_layer.py
+++ b/src/bot/io_layer.py
@@ -76,7 +76,8 @@ class BotIOLayer:
             return src, self.query_topic_map[src]
         if self.query_topic_chat_id:
             return self.query_topic_chat_id, self.query_topic_id
-        return src or None, self.query_topic_id
+        # No mapping/fixed topic configured: reply directly to source chat without topic.
+        return src or None, 0
 
     def send_query_message(
         self,