feat: update inference reporting and ffmpeg video merge

connect/device_storage.go

@@ -270,6 +270,15 @@ func NormalizeDeviceRuntimeFields(deviceData *DeviceData) {
 	}
 }
 
+func GetFireCheckConfidence(deviceData DeviceData) int {
+	if confidenceText := strings.TrimSpace(deviceData.FireCheckParam.Confidence); confidenceText != "" {
+		if confidence, err := strconv.Atoi(confidenceText); err == nil && confidence > 0 {
+			return confidence
+		}
+	}
+	return deviceData.Confidence
+}
+
 // ProcessDetectAreaForInference processes detection area data, converts to format required by inference program
 func ProcessDetectAreaForInference(areas []Area) string {
 	if len(areas) == 0 {