feat: pushConfig支持MQTT推送，优先级高于HTTP

MQTT启用时通过EMQX推送配置到边缘端，否则回退到原有HTTP REST方式

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

src/main/java/com/genersoft/iot/vmp/aiot/service/impl/AiConfigServiceImpl.java

@@ -4,11 +4,13 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.genersoft.iot.vmp.aiot.bean.AiAlgorithm;
 import com.genersoft.iot.vmp.aiot.bean.AiRoi;
 import com.genersoft.iot.vmp.aiot.bean.AiRoiAlgoBind;
+import com.genersoft.iot.vmp.aiot.config.AiMqttConfig;
 import com.genersoft.iot.vmp.aiot.config.AiServiceConfig;
 import com.genersoft.iot.vmp.aiot.dao.AiAlgorithmMapper;
 import com.genersoft.iot.vmp.aiot.dao.AiRoiAlgoBindMapper;
 import com.genersoft.iot.vmp.aiot.dao.AiRoiMapper;
 import com.genersoft.iot.vmp.aiot.service.IAiConfigService;
+import com.genersoft.iot.vmp.aiot.service.MqttService;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.*;
@@ -33,6 +35,12 @@ public class AiConfigServiceImpl implements IAiConfigService {
     @Autowired
     private AiServiceConfig aiServiceConfig;
 
+    @Autowired
+    private AiMqttConfig mqttConfig;
+
+    @Autowired
+    private MqttService mqttService;
+
     private final ObjectMapper objectMapper = new ObjectMapper();
 
     @Override
@@ -77,11 +85,20 @@ public class AiConfigServiceImpl implements IAiConfigService {
 
     @Override
     public void pushConfig(String cameraId) {
-        if (!aiServiceConfig.isEnabled()) {
-            log.warn("AI服务未启用，跳过推送");
-            throw new RuntimeException("AI服务未启用，请在配置中设置ai.service.enabled=true");
-        }
         Map<String, Object> config = exportConfig(cameraId);
+
+        if (mqttConfig.isEnabled()) {
+            // MQTT推送优先
+            try {
+                String configJson = objectMapper.writeValueAsString(config);
+                mqttService.pushConfig(cameraId, configJson);
+                log.info("MQTT配置推送成功: cameraId={}", cameraId);
+            } catch (Exception e) {
+                log.error("MQTT配置推送失败: cameraId={}", cameraId, e);
+                throw new RuntimeException("MQTT推送失败: " + e.getMessage());
+            }
+        } else if (aiServiceConfig.isEnabled()) {
+            // HTTP REST推送
             try {
                 RestTemplate restTemplate = new RestTemplate();
                 String url = aiServiceConfig.getUrl() + "/api/config/receive";
@@ -92,10 +109,13 @@ public class AiConfigServiceImpl implements IAiConfigService {
                 if (!response.getStatusCode().is2xxSuccessful()) {
                     throw new RuntimeException("推送失败，边缘端返回: " + response.getStatusCode());
                 }
-            log.info("配置推送成功: cameraId={}", cameraId);
+                log.info("HTTP配置推送成功: cameraId={}", cameraId);
             } catch (Exception e) {
-            log.error("配置推送失败: cameraId={}", cameraId, e);
+                log.error("HTTP配置推送失败: cameraId={}", cameraId, e);
                 throw new RuntimeException("推送失败: " + e.getMessage());
             }
+        } else {
+            throw new RuntimeException("AI配置推送未启用，请设置ai.mqtt.enabled=true或ai.service.enabled=true");
+        }
     }
 }