diff --git a/backend/services/llm/router.py b/backend/services/llm/router.py
index 3e04583..9ed3790 100644
--- a/backend/services/llm/router.py
+++ b/backend/services/llm/router.py
@@ -247,7 +247,10 @@ def _generate_with_retry(
             continue
 
         try:
-            return json.loads(raw)
+            data = json.loads(raw)
+            if isinstance(data, list) and data:
+                data = data[0]
+            return data
         except json.JSONDecodeError as exc:
             last_error = exc
             continue