feat: rename ntu img to ruby

utils/completion_reward.py

@@ -159,11 +159,11 @@ class CompletionReward:
             "paragraph_google": self.paragraph_google,
             "paragraph_mtk": self.paragraph_mtk,
             "paragraph_ntu": self.paragraph_ntu,
-            "openai_response_time": self.openai_response_time,
-            "aws_response_time": self.aws_response_time,
-            "google_response_time": self.google_response_time,
-            "mtk_response_time": self.mtk_response_time,
-            "ntu_response_time": self.ntu_response_time,
+            "response_time_openai": self.openai_response_time,
+            "response_time_aws": self.aws_response_time,
+            "response_time_google": self.google_response_time,
+            "response_time_mtk": self.mtk_response_time,
+            "response_time_ntu": self.ntu_response_time,
             "player_certificate_url": self.player_certificate_url,
             "created_at": datetime.now(),
         }