fix: MQTT连接兼容paho-mqtt 1.x和2.x版本

- 添加paho-mqtt版本检测，兼容CallbackAPIVersion
- 修复回调函数签名，支持1.x的整数返回码和2.x的对象返回码
- 增强错误处理和日志输出
- 确保ResultReporter.initialize()被正确调用

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

core/result_reporter.py

@@ -108,12 +108,22 @@ class ResultReporter:
     
     def _init_mqtt(self):
         """初始化MQTT客户端"""
+        self._logger.info(f"正在连接 MQTT: {self._mqtt_broker}:{self._mqtt_port}")
         try:
+            # 兼容不同版本的 paho-mqtt
+            try:
+                # paho-mqtt 2.0+ 版本
                 self._client = mqtt.Client(
                     client_id=self._mqtt_client_id,
                     protocol=mqtt.MQTTv5,
                     callback_api_version=mqtt.CallbackAPIVersion.VERSION2
                 )
+            except (AttributeError, TypeError):
+                # paho-mqtt 1.x 版本
+                self._client = mqtt.Client(
+                    client_id=self._mqtt_client_id,
+                    protocol=mqtt.MQTTv5
+                )
 
             self._client.on_connect = self._on_connect
             self._client.on_disconnect = self._on_disconnect
@@ -122,15 +132,20 @@ class ResultReporter:
             self._client.connect(self._mqtt_broker, self._mqtt_port, 60)
             self._client.loop_start()
 
-            self._logger.info(f"MQTT 客户端初始化: {self._mqtt_broker}:{self._mqtt_port}")
+            self._logger.info(f"MQTT 客户端初始化完成: {self._mqtt_broker}:{self._mqtt_port}")
 
         except Exception as e:
-            self._logger.warning(f"MQTT 初始化失败: {e}")
+            self._logger.error(f"MQTT 初始化失败: {e}")
+            import traceback
+            self._logger.error(traceback.format_exc())
             self._client = None
     
-    def _on_connect(self, client, userdata, flags, reason_code, properties):
-        """MQTT连接回调"""
-        if reason_code == 0:
+    def _on_connect(self, client, userdata, flags, reason_code, properties=None):
+        """MQTT连接回调（兼容 1.x 和 2.x）"""
+        # paho-mqtt 1.x: rc 是整数，0 表示成功
+        # paho-mqtt 2.x: reason_code 是对象，需要检查 .value 或直接比较
+        rc = reason_code if isinstance(reason_code, int) else getattr(reason_code, 'value', reason_code)
+        if rc == 0:
             self._connected = True
             self._reconnect_count = 0
             self._logger.info("MQTT 连接成功")
@@ -142,14 +157,15 @@ class ResultReporter:
         else:
             self._logger.warning(f"MQTT 连接失败: {reason_code}")
     
-    def _on_disconnect(self, client, userdata, reason_code, properties):
-        """MQTT断开连接回调"""
+    def _on_disconnect(self, client, userdata, reason_code, properties=None):
+        """MQTT断开连接回调（兼容 1.x 和 2.x）"""
         self._connected = False
         self._logger.warning(f"MQTT 连接断开: {reason_code}")
 
-    def _on_publish(self, client, userdata, mid, reason_code, properties):
-        """MQTT发布回调"""
-        if reason_code == 0:
+    def _on_publish(self, client, userdata, mid, reason_code=None, properties=None):
+        """MQTT发布回调（兼容 1.x 和 2.x）"""
+        rc = 0 if reason_code is None else (reason_code if isinstance(reason_code, int) else getattr(reason_code, 'value', 0))
+        if rc == 0:
             self._logger.debug(f"MQTT 消息发布成功: {mid}")
     
     def report_alert(

main.py

@@ -122,9 +122,15 @@ class EdgeInferenceService:
     
     def _init_reporter(self):
         """初始化结果上报器"""
+        try:
             self._reporter = ResultReporter()
+            self._logger.info("ResultReporter 对象已创建，准备初始化...")
             self._reporter.initialize()  # 初始化存储和MQTT连接
             self._logger.info("结果上报器初始化成功")
+        except Exception as e:
+            self._logger.error(f"结果上报器初始化失败: {e}")
+            import traceback
+            self._logger.error(traceback.format_exc())
     
     def _init_algorithm_manager(self):
         """初始化算法管理器"""