feat: 添加 typing status 状态指示器

- 在处理消息时自动显示"正在输入..."状态
- 处理完成后自动隐藏状态指示器
- 错误处理时确保状态指示器被关闭
- 提升用户体验，让用户知道 AI 正在处理请求

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

agent/agents/order.py

@@ -815,8 +815,10 @@ def _parse_logistics_data(data: dict[str, Any]) -> dict[str, Any]:
     )
 
     return {
+        "order_id": mcp_result.get("order_id", ""),  # 添加订单号
         "carrier": mcp_result.get("courier", mcp_result.get("carrier", mcp_result.get("express_name", "未知"))),
         "tracking_number": mcp_result.get("tracking_number") or "",
+        "tracking_url": mcp_result.get("tracking_url", mcp_result.get("trackingUrl", "")),  # 添加追踪链接
         "status": mcp_result.get("status"),
         "estimated_delivery": mcp_result.get("estimatedDelivery"),
         "timeline": mcp_result.get("timeline", [])

agent/integrations/chatwoot.py

@@ -5,6 +5,7 @@ import json
 from typing import Any, Optional
 from dataclasses import dataclass
 from enum import Enum
+from contextlib import asynccontextmanager
 
 import httpx
 
@@ -646,6 +647,7 @@ class ChatwootClient:
                 - status: 当前状态
                 - timeline: 物流轨迹列表
                 - order_id: 订单号（可选，用于生成链接）
+                - tracking_url: 官方追踪链接（可选，跳转到物流公司官网）
             language: 语言代码（en, nl, de, es, fr, it, tr, zh），默认 en
 
         Returns:
@@ -665,6 +667,7 @@ class ChatwootClient:
         status = logistics_data.get("status", "")
         timeline = logistics_data.get("timeline", [])
         order_id = logistics_data.get("order_id", "")
+        tracking_url = logistics_data.get("tracking_url", "")  # 添加追踪链接
 
         # 获取最新物流信息（从 timeline 中提取 remark）
         latest_log = ""
@@ -760,6 +763,23 @@ class ChatwootClient:
                     "url": f"{frontend_url}/logistic-tracking/{order_id}"
                 })
 
+        # 如果有 tracking_url，添加官方追踪按钮（在新标签页打开）
+        if tracking_url:
+            if language == "zh":
+                actions.append({
+                    "text": "官网追踪",
+                    "style": "default",
+                    "url": tracking_url,
+                    "target": "_blank"
+                })
+            else:
+                actions.append({
+                    "text": "Official Tracking",
+                    "style": "default",
+                    "url": tracking_url,
+                    "target": "_blank"
+                })
+
         # 构建 content_attributes（logistics 格式）
         content_attributes = {
             "logisticsName": carrier,
@@ -772,17 +792,6 @@ class ChatwootClient:
             "actions": actions
         }
 
-        # 记录发送的数据（用于调试）
-        logger.info(
-            "Sending logistics info",
-            conversation_id=conversation_id,
-            carrier=carrier,
-            tracking_number=tracking_number,
-            current_step=current_step,
-            timeline_count=len(timeline) if timeline else 0,
-            language=language
-        )
-
         # 发送 logistics 类型消息
         client = await self._get_client()
 
@@ -792,6 +801,18 @@ class ChatwootClient:
             "content_attributes": content_attributes
         }
 
+        # 记录完整的发送 payload（用于调试）
+        logger.info(
+            "Sending logistics info",
+            conversation_id=conversation_id,
+            carrier=carrier,
+            tracking_number=tracking_number,
+            current_step=current_step,
+            timeline_count=len(timeline) if timeline else 0,
+            language=language,
+            payload_preview=json.dumps(payload, ensure_ascii=False, indent=2)
+        )
+
         response = await client.post(
             f"/conversations/{conversation_id}/messages",
             json=payload
@@ -1014,6 +1035,135 @@ class ChatwootClient:
 
         return response.json()
 
+    async def toggle_typing_status(
+        self,
+        conversation_id: int,
+        typing_status: str  # "on" or "off"
+    ) -> dict[str, Any]:
+        """Toggle typing status for a conversation
+
+        显示/隐藏"正在输入..."状态指示器。Chatwoot 会根据用户设置的语言
+        自动显示对应文本（如"正在输入..."、"Typing..."等）。
+
+        Args:
+            conversation_id: Conversation ID
+            typing_status: Typing status, either "on" or "off"
+
+        Returns:
+            API response
+
+        Raises:
+            ValueError: If typing_status is not "on" or "off"
+
+        Example:
+            >>> # 开启 typing status
+            >>> await chatwoot.toggle_typing_status(123, "on")
+            >>> # 处理消息...
+            >>> # 关闭 typing status
+            >>> await chatwoot.toggle_typing_status(123, "off")
+        """
+        if typing_status not in ["on", "off"]:
+            raise ValueError(
+                f"typing_status must be 'on' or 'off', got '{typing_status}'"
+            )
+
+        client = await self._get_client()
+
+        # 尝试使用 admin API 端点
+        response = await client.post(
+            f"/conversations/{conversation_id}/toggle_typing_status",
+            json={"typing_status": typing_status}
+        )
+
+        # 如果 admin API 不可用，返回空响应（兼容性处理）
+        try:
+            response.raise_for_status()
+        except httpx.HTTPStatusError as e:
+            logger.warning(
+                "Failed to toggle typing status via admin API",
+                conversation_id=conversation_id,
+                status=typing_status,
+                error=str(e)
+            )
+            # 尝试降级到 public API
+            return await self._toggle_typing_status_public(
+                conversation_id, typing_status
+            )
+
+        logger.debug(
+            "Typing status toggled",
+            conversation_id=conversation_id,
+            status=typing_status
+        )
+
+        # 尝试解析 JSON 响应，如果失败则返回空字典
+        try:
+            return response.json() if response.content else {}
+        except Exception:
+            return {}
+
+    async def _toggle_typing_status_public(
+        self,
+        conversation_id: int,
+        typing_status: str
+    ) -> dict[str, Any]:
+        """使用 public API 端点切换 typing status（降级方案）
+
+        Args:
+            conversation_id: Conversation ID
+            typing_status: Typing status, either "on" or "off"
+
+        Returns:
+            API response
+        """
+        # TODO: 实现 public API 调用（需要 inbox_identifier 和 contact_identifier）
+        # 目前先记录日志并返回空响应
+        logger.info(
+            "Public API typing status not implemented, skipping",
+            conversation_id=conversation_id,
+            status=typing_status
+        )
+        return {}
+
+    @asynccontextmanager
+    async def typing_indicator(self, conversation_id: int):
+        """Typing indicator 上下文管理器
+
+        自动管理 typing status 的开启和关闭。进入上下文时开启，
+        退出时自动关闭，即使发生异常也会确保关闭。
+
+        显示多语言支持：Chatwoot 会根据用户语言自动显示对应文本
+        （如中文"正在输入..."、英文"Typing..."等）。
+
+        Args:
+            conversation_id: Conversation ID
+
+        Yields:
+            None
+
+        Example:
+            >>> async with chatwoot.typing_indicator(conversation_id):
+            ...     # 处理消息或发送请求
+            ...     await process_message(...)
+            ...     await send_message(...)
+            >>> # 退出上下文时自动关闭 typing status
+        """
+        try:
+            # 开启 typing status
+            await self.toggle_typing_status(conversation_id, "on")
+            yield
+        finally:
+            # 确保关闭 typing status（即使发生异常）
+            try:
+                await self.toggle_typing_status(conversation_id, "off")
+            except Exception as e:
+                # 记录警告但不抛出异常
+                logger.debug(
+                    "Failed to disable typing status in context manager",
+                    conversation_id=conversation_id,
+                    error=str(e)
+                )
+
     async def assign_agent(
         self,
         conversation_id: int,

agent/webhooks/chatwoot_webhook.py

@@ -311,6 +311,27 @@ async def handle_incoming_message(payload: ChatwootWebhookPayload, cookie_token:
     context["channel"] = message_channel
     context["is_email"] = is_email
 
+    # 创建 Chatwoot client（提前创建以便开启 typing status）
+    from integrations.chatwoot import ChatwootClient
+    chatwoot = ChatwootClient(account_id=int(account_id))
+
+    # 开启 typing status（显示"正在输入..."）
+    try:
+        await chatwoot.toggle_typing_status(
+            conversation_id=conversation.id,
+            typing_status="on"
+        )
+        logger.debug(
+            "Typing status enabled",
+            conversation_id=conversation_id
+        )
+    except Exception as e:
+        logger.warning(
+            "Failed to enable typing status",
+            conversation_id=conversation_id,
+            error=str(e)
+        )
+
     try:
         # Process message through agent workflow
         final_state = await process_message(
@@ -329,9 +350,8 @@ async def handle_incoming_message(payload: ChatwootWebhookPayload, cookie_token:
         if response is None:
             response = "抱歉，我暂时无法处理您的请求。请稍后重试或联系人工客服。"
 
-        # Create Chatwoot client
-        from integrations.chatwoot import ChatwootClient
-        chatwoot = ChatwootClient(account_id=int(account_id))
+        # Create Chatwoot client（已在前面创建，这里不需要再次创建）
+        # chatwoot 已在 try 块之前创建
 
         # Send response to Chatwoot (skip if empty - agent may have already sent rich content)
         if response:
@@ -340,6 +360,23 @@ async def handle_incoming_message(payload: ChatwootWebhookPayload, cookie_token:
                 content=response
             )
 
+        # 关闭 typing status（隐藏"正在输入..."）
+        try:
+            await chatwoot.toggle_typing_status(
+                conversation_id=conversation.id,
+                typing_status="off"
+            )
+            logger.debug(
+                "Typing status disabled",
+                conversation_id=conversation_id
+            )
+        except Exception as e:
+            logger.warning(
+                "Failed to disable typing status",
+                conversation_id=conversation_id,
+                error=str(e)
+            )
+
         # Handle human handoff
         if final_state.get("requires_human"):
             await chatwoot.update_conversation_status(
@@ -377,8 +414,16 @@ async def handle_incoming_message(payload: ChatwootWebhookPayload, cookie_token:
             error=str(e)
         )
 
+        # 关闭 typing status（错误时也要关闭）
+        try:
+            await chatwoot.toggle_typing_status(
+                conversation_id=conversation.id,
+                typing_status="off"
+            )
+        except Exception:
+            pass  # 忽略关闭时的错误
+
         # Send error response
-        chatwoot = get_chatwoot_client(account_id=int(account_id))
         await chatwoot.send_message(
             conversation_id=conversation.id,
             content="抱歉，处理您的消息时遇到了问题。我们的客服团队将尽快为您服务。"