Update model_utils.py

model_utils.py

@@ -148,7 +148,10 @@ def answer_from_qa(question: str) -> Optional[str]:
             best_score = overlap
             best_answer = item["a"]
 
-    if best_score >= 1:
+    # require at least 2 overlapping words to accept fuzzy match
+    if best_score >= 2:
+        # optional: log when fuzzy match is used
+        print(f"[FUZZY MATCH] score={best_score} -> {best_answer[:50]!r}")
         return best_answer
 
     return None