落地海运私聊文字询价全流程，海运多项费用改走文本明细，避免企微卡片引用条截断。

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

inquiry-agent/agent/channel/outbox/sender.py

@@ -218,6 +218,101 @@ class WeComAppClient:
             )
         return media_id, WeComSendResult(ok=True, errcode=0, raw=data)
 
+    def create_group(self, *, name: str, userids: list[str]) -> dict[str, Any]:
+        """
+        创建企微应用群（appchat/create），群名=工单号。
+
+        成员须含销售、产品、会话存档账号（询价机器人）；应用自己会进群。失败回 ok=False，不抛给回调。
+        """
+        users = [str(x).strip() for x in userids if str(x).strip()]
+        if not name or len(users) < 2:
+            return {"ok": False, "error": "name_or_users", "chat_id": ""}
+        try:
+            token = self._get_token()
+        except Exception as exc:  # noqa: BLE001
+            logger.exception("建群取 token 失败")
+            return {"ok": False, "error": str(exc), "chat_id": ""}
+        url = f"{self._api_base}/cgi-bin/appchat/create"
+        body = {"name": name, "userlist": users}
+        try:
+            with httpx.Client(timeout=self._timeout) as client:
+                resp = client.post(url, params={"access_token": token}, json=body)
+                data = resp.json()
+        except Exception as exc:  # noqa: BLE001
+            logger.exception("企微建群网络失败")
+            return {"ok": False, "error": str(exc), "chat_id": ""}
+        errcode = int(data.get("errcode") or 0)
+        chat_id = str(data.get("chatid") or data.get("chat_id") or "")
+        if errcode != 0 or not chat_id:
+            logger.warning("企微建群失败 errcode=%s", errcode)
+            return {
+                "ok": False,
+                "error": str(data.get("errmsg") or f"errcode_{errcode}"),
+                "chat_id": "",
+            }
+        logger.info("企微群已创建 name=%s chat=%s", name, chat_id)
+        return {"ok": True, "chat_id": chat_id, "error": ""}
+
+    def add_group_members(self, *, chat_id: str, userids: list[str]) -> dict[str, Any]:
+        """
+        往已有应用群补人（appchat/update add_user_list）。
+
+        用于已建群补拉会话存档账号。已在群里的人企微会忽略。不抛给回调。
+        """
+        users = [str(x).strip() for x in userids if str(x).strip()]
+        if not chat_id or not users:
+            return {"ok": False, "error": "chat_or_users"}
+        try:
+            token = self._get_token()
+        except Exception as exc:  # noqa: BLE001
+            logger.exception("补拉群成员取 token 失败")
+            return {"ok": False, "error": str(exc)}
+        url = f"{self._api_base}/cgi-bin/appchat/update"
+        body = {"chatid": chat_id, "add_user_list": users}
+        try:
+            with httpx.Client(timeout=self._timeout) as client:
+                resp = client.post(url, params={"access_token": token}, json=body)
+                data = resp.json()
+        except Exception as exc:  # noqa: BLE001
+            logger.exception("企微补拉群成员网络失败")
+            return {"ok": False, "error": str(exc)}
+        errcode = int(data.get("errcode") or 0)
+        if errcode != 0:
+            logger.warning("企微补拉群成员失败 errcode=%s", errcode)
+            return {"ok": False, "error": str(data.get("errmsg") or f"errcode_{errcode}")}
+        logger.info("企微群已补人 chat=%s", chat_id)
+        return {"ok": True, "error": ""}
+
+    def send_group(self, *, chat_id: str, content: str) -> dict[str, Any]:
+        """
+        向应用群发文本。必须走 appchat/send，不能当私聊 message/send。
+
+        失败回 ok=False，由调用方决定是否重试；不抛给回调线程。
+        """
+        if not chat_id or not content:
+            return {"ok": False, "error": "chat_or_content"}
+        if not self._corp_id or not self._secret:
+            return {"ok": False, "error": "WECOM_CORP_ID/SECRET 未配置"}
+        try:
+            token = self._get_token()
+        except Exception as exc:  # noqa: BLE001
+            logger.exception("群消息取 token 失败")
+            return {"ok": False, "error": str(exc)}
+        url = f"{self._api_base}/cgi-bin/appchat/send"
+        body = {"chatid": chat_id, "msgtype": "text", "text": {"content": content}}
+        try:
+            with httpx.Client(timeout=self._timeout) as client:
+                resp = client.post(url, params={"access_token": token}, json=body)
+                data = resp.json()
+        except Exception as exc:  # noqa: BLE001
+            logger.exception("企微群消息网络失败")
+            return {"ok": False, "error": str(exc)}
+        errcode = int(data.get("errcode") or 0)
+        if errcode != 0:
+            logger.warning("企微群消息失败 errcode=%s", errcode)
+            return {"ok": False, "error": str(data.get("errmsg") or f"errcode_{errcode}")}
+        return {"ok": True, "error": ""}
+
     def send_text(self, *, touser: str, content: str) -> WeComSendResult:
         """
         向指定企微 userid 发送文本应用消息。