feat:添加负样本采样脚本

src/main/java/examples/extractor/v20250218/ExtractFeature20250218.java

@@ -109,7 +109,7 @@ public class ExtractFeature20250218 {
         if (StringUtils.isNotBlank(festiveByDate)) {
             featureMap.put("today_is_fes", 1);
             if (StringUtils.equals(festiveByDate, festiveLabel2)) {
-                featureMap.put("video_fes_eq", 1);
+                featureMap.put("video_today_fes_eq", 1);
             }
         }