add v1

app.py

@@ -363,7 +363,7 @@ def openai_judge(question: str, answer: str) -> Optional[int]:
     if not OPENAI_API_KEY:
         return None
 
-    client = OpenAI(api_key=OPENAI_API_KEY, base_url="https://ai-gateway.andrew.cmu.edu")
+    client = OpenAI(api_key=OPENAI_API_KEY, base_url="https://ai-gateway.andrew.cmu.edu/v1")
     payload = {"rubric": JUDGE_RUBRIC, "question": question, "response": answer}
 
     resp = client.responses.create(