From 2c09fcf9e60dd4d0f7f9d861b879983d462753ed Mon Sep 17 00:00:00 2001
From: jimi <1847930177@qq.com>
Date: Mon, 2 Mar 2026 18:59:09 +0800
Subject: [PATCH] fix: prevent outbound echo loops and reduce AgentScope
 warning noise

---
 qingjian_cs/app/client.py | 28 ++++++++++++++++++++++++++++
 qingjian_cs/app/logger.py |  6 ++++++
 2 files changed, 34 insertions(+)

diff --git a/qingjian_cs/app/client.py b/qingjian_cs/app/client.py
index bd13ade..3cf5d8f 100644
--- a/qingjian_cs/app/client.py
+++ b/qingjian_cs/app/client.py
@@ -27,6 +27,7 @@ class QingjianClient:
         self.pending_images: dict[str, list[str]] = defaultdict(list)
         self.auto_quote_tasks: dict[str, asyncio.Task] = {}
         self.last_reply_key: dict[str, str] = {}
+        self.recent_outbound: dict[str, tuple[str, float]] = {}
 
     @staticmethod
     def _customer_key(data: dict) -> str:
@@ -53,6 +54,9 @@ class QingjianClient:
         self.logger.info("[发送] %s", message.get("msg", ""))
 
     async def send_reply(self, data: dict, text: str, trace_id: str = "-") -> None:
+        text = str(text or "").strip()
+        if not text:
+            return
         msg = {
             "msg_id": "",
             "acc_id": data.get("acc_id", ""),
@@ -66,8 +70,23 @@ class QingjianClient:
         }
         activity_event(self.logger, "send_reply_attempt", trace_id=trace_id, customer_id=data.get("from_id", "-"), msg=text)
         await self.send_message(msg)
+        self.recent_outbound[self._customer_key(data)] = (text, time.monotonic())
         activity_event(self.logger, "send_reply_success", trace_id=trace_id, customer_id=data.get("from_id", "-"), msg=text)
 
+    def _is_outbound_echo(self, data: dict, msg: str) -> bool:
+        """
+        轻简可能会把我方刚发送文本回推为“收到消息”。
+        对同 customer_key 的“短时间完全相同文本”做回环拦截，避免无限对话。
+        """
+        key = self._customer_key(data)
+        last = self.recent_outbound.get(key)
+        if not last:
+            return False
+        last_msg, ts = last
+        if (time.monotonic() - ts) > 120:
+            return False
+        return str(msg or "").strip() == last_msg
+
     async def _handle_decision(self, data: dict, merged_msg: str, *, auto_quote: bool = False) -> None:
         key = self._customer_key(data)
         trace_id = build_trace_id(data.get("acc_id", ""), data.get("from_id", ""), merged_msg)
@@ -192,6 +211,15 @@ class QingjianClient:
         self.logger.info("[收消息] acc=%s from=%s type=%s msg=%s", data.get("acc_id", ""), data.get("from_id", ""), msg_type, msg)
         await post_tianwang_callback("message_received", data, extra={"msg_type": msg_type})
 
+        if self._is_outbound_echo(data, msg):
+            activity_event(
+                self.logger,
+                "inbound_ignored",
+                customer_id=data.get("from_id", "-"),
+                reason="outbound_echo_loop_guard",
+            )
+            return
+
         if rule.ignore:
             activity_event(self.logger, "inbound_ignored", customer_id=data.get("from_id", "-"), reason=rule.reason)
             return
diff --git a/qingjian_cs/app/logger.py b/qingjian_cs/app/logger.py
index 722522d..a22ccbf 100644
--- a/qingjian_cs/app/logger.py
+++ b/qingjian_cs/app/logger.py
@@ -11,4 +11,10 @@ def setup_logger() -> logging.Logger:
     formatter = logging.Formatter("[%(asctime)s] %(levelname)s: %(message)s", "%H:%M:%S")
     handler.setFormatter(formatter)
     logger.addHandler(handler)
+
+    # 降低 AgentScope 内部推理/格式器日志噪音，保留本项目活动日志。
+    logging.getLogger("agentscope").setLevel(logging.ERROR)
+    logging.getLogger("agentscope.formatter").setLevel(logging.ERROR)
+    logging.getLogger("agentscope.agent").setLevel(logging.ERROR)
+
     return logger