feat:人群选择添加rootSessionId尾号实验机制

ad-engine-service/src/main/java/com/tzld/piaoquan/ad/engine/service/predict/v2/RootSessionIdPredict.java

@@ -72,6 +72,7 @@ public class RootSessionIdPredict extends BasicPredict {
                 logJson.put("abCode", ctx.getAdAbCode());
                 logJson.put("extraParam", ctx.getExpConfigMap());
                 logJson.put("configItem", item);
+                logJson.put("rootSessionId", ctx.getRootSessionId());
 
                 log.info("广告跳出选择 -- rootSessionId尾号实验结果: {}, 参数: {}",
                         JSONUtils.toJson(returnMap), logJson.toJSONString());