落地私聊图片询价：识图当口播复用三线文字流程，图上航线三字码保持原样，避免被改写成中文地名。

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

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

@@ -628,6 +628,42 @@ class WeComAppClient:
             self._token_expire_at = time.time() + expires_in
         return token
 
+    def download_media(self, media_id: str) -> tuple[bytes, str]:
+        """
+        下载企微临时素材（cgi-bin/media/get）。
+
+        返回 (字节, 错误码)。失败时字节为空。禁止把 token 写入日志。
+        调用：Worker 识别槽，禁止回调线程同步下载。
+        """
+        mid = (media_id or "").strip()
+        if not mid:
+            return b"", "media_empty"
+        try:
+            token = self._get_token()
+        except Exception:
+            logger.exception("下载素材取 token 失败")
+            return b"", "token_failed"
+        url = f"{self._api_base}/cgi-bin/media/get"
+        try:
+            with httpx.Client(timeout=self._timeout) as client:
+                resp = client.get(url, params={"access_token": token, "media_id": mid})
+            ctype = (resp.headers.get("content-type") or "").lower()
+            raw = resp.content or b""
+            if "application/json" in ctype or raw[:1] in (b"{", b"["):
+                try:
+                    data = resp.json()
+                except Exception:
+                    data = {}
+                if isinstance(data, dict) and int(data.get("errcode") or 0) != 0:
+                    return b"", str(data.get("errmsg") or "media_get_fail")
+                return b"", "media_json_body"
+            if len(raw) < 32:
+                return b"", "media_too_small"
+            return raw, ""
+        except Exception:
+            logger.exception("下载素材失败")
+            return b"", "media_download_failed"
+
 
 # 企微侧明确不可重试的错误（IP 白名单、非法 userid 等）
 PERMANENT_SEND_ERRORS = frozenset(

inquiry-agent/agent/channel/runtime.py

@@ -75,6 +75,11 @@ class ChannelRuntime:
                     from agent.routing.decision import RouteDecision
 
                     decision = RouteDecision(intent="ordinary_text_other")
+                elif (message.msg_type or "text").lower() == "image":
+                    from agent.routing.decision import RouteDecision
+
+                    # 私聊图片不进 DeepSeek A（正文为空会被判闲聊）。
+                    decision = RouteDecision(intent="image_inquiry", confidence=1.0)
                 else:
                     decision = self._router.route_inbound(
                         text=message.content or "",