补齐成交跟进：按线路推成交通知、收下未成交原因、协商中按工作日再问。

成交走询价消息服务；陆运/海运私聊下一句能记下原因；协商中回执写明顺延三个工作日和下次 9：00。

Co-authored-by: Cursor <cursoragent@cursor.com>

inquiry-agent/agent/channel/runtime.py

@@ -43,6 +43,15 @@ class ChannelRuntime:
             secret=settings.wecom_secret,
             agent_id=agent_id,
         )
+        notify_id = int(getattr(settings, "wecom_notify_agent_id", "") or "0") or 0
+        notify_secret = str(getattr(settings, "wecom_notify_secret", "") or "").strip()
+        self._notify_client = None
+        if notify_id and notify_secret:
+            self._notify_client = WeComAppClient(
+                corp_id=settings.wecom_corp_id,
+                secret=notify_secret,
+                agent_id=notify_id,
+            )
 
     @property
     def store(self):
@@ -105,10 +114,20 @@ class ChannelRuntime:
                 logger.warning("outbox 过期丢弃 id=%s", item.id)
                 self._store.complete_outbound(item.id)
                 continue
-            result = self._client.send_outbound(
+            payload = getattr(item, "payload", None) or {}
+            client = self._client
+            if payload.get("wecom_app") == "notify":
+                if self._notify_client is None:
+                    logger.error("询价消息服务未配置，成交通知丢弃 id=%s", item.id)
+                    self._store.complete_outbound(
+                        item.id, error="notify_app_missing", permanent=True
+                    )
+                    continue
+                client = self._notify_client
+            result = client.send_outbound(
                 touser=item.touser,
                 content=item.content,
-                payload=getattr(item, "payload", None) or {},
+                payload=payload,
             )
             if result.ok:
                 self._store.complete_outbound(item.id)