更新

backend/rpa_engine/douyin_im/pb_decode.py

@@ -160,6 +160,7 @@ def analyze_send_response(raw: bytes) -> dict:
         "raw_check_code": None,
         "delivered_with_notice": False,
         "status_reason": "",
+        "decision": "",
         "message": "",
         "error_desc": "",
         "server_message_id": None,
@@ -169,6 +170,45 @@ def analyze_send_response(raw: bytes) -> dict:
     if not raw:
         info["summary"] = "空响应"
         return info
+
+    # 风控/登录网关有时不返回 protobuf，而是直接返回 JSON，例如：
+    # {"decision":"KICK"}。若继续按 protobuf 解码，JSON 的首字节“{”会被
+    # 误读为 wire type 3，只留下 unsupported wire type 3 这种次生错误。
+    stripped = raw.lstrip()
+    if stripped.startswith(b"{"):
+        try:
+            payload = json.loads(stripped.decode("utf-8"))
+        except (UnicodeDecodeError, json.JSONDecodeError):
+            payload = None
+        if isinstance(payload, dict):
+            decision = str(
+                payload.get("decision") or payload.get("decision_type") or ""
+            ).strip()
+            info["decision"] = decision
+            info["status_code"] = payload.get("status_code")
+            info["raw_check_code"] = payload.get("raw_check_code")
+            info["message"] = str(payload.get("message") or "")
+            info["error_desc"] = str(
+                payload.get("error_desc") or payload.get("error") or ""
+            )
+            info["status_reason"] = str(
+                payload.get("tips") or payload.get("reason") or ""
+            )
+            summary_parts = ["JSON响应"]
+            if decision:
+                summary_parts.append(f"decision={decision}")
+            if info["status_code"] is not None:
+                summary_parts.append(f"status_code={info['status_code']}")
+            if info["raw_check_code"] is not None:
+                summary_parts.append(f"raw_check_code={info['raw_check_code']}")
+            if info["message"]:
+                summary_parts.append(f"message={info['message']}")
+            if info["error_desc"]:
+                summary_parts.append(f"error_desc={info['error_desc']}")
+            info["summary"] = " ".join(summary_parts)
+            # /message/send 的正常成功响应是 protobuf；独立 JSON 是网关级响应，
+            # 不能据此确认消息已经写入会话。
+            return info
     try:
         fields = decode_fields(raw)
     except Exception as e: