a

app/services/guardrails.py

@@ -1,3 +1,7 @@
+import os
+os.environ["DSPY_CACHE_DIR"] = "/tmp/.dspy_cache"
+
+# --- ALL OTHER IMPORTS MUST BE BELOW THIS FIX ---
 import json
 from fastapi import HTTPException
 from langchain_core.prompts import ChatPromptTemplate
@@ -88,5 +92,4 @@ def check_output_guardrail(solution: str | None) -> (bool, str):
             return (False, "AI refused to answer the question.")
     
     print("--- Guardrail: Output OK ---")
-    return (True, solution)
-
+    return (True, solution)