레디스 및 구조 수정중

backend/app/main.py

@@ -59,13 +59,25 @@ def _normalize_recommendations(rec: dict) -> dict:
     """
     if not rec:
         return rec
-    # 이미 recommendations_by_rule 키가 있으면 그대로 사용
-    if rec.get("recommendations_by_rule"):
+
+    # Case 1: Already normalized (dict)
+    if isinstance(rec.get("recommendations_by_rule"), dict):
         return rec
-    # recommendations 리스트를 rule 기준으로 그룹화
-    raw_list = rec.get("recommendations", [])
+
+    # Determine the source of the recommendation list
+    raw_list = []
+    if "recommendations" in rec and isinstance(rec["recommendations"], list):
+        raw_list = rec["recommendations"]
+    elif "recommendations_by_rule" in rec and isinstance(rec["recommendations_by_rule"], list):
+        # This is the case that causes the bug
+        raw_list = rec["recommendations_by_rule"]
+
     if not raw_list:
+        # if there is no list to process, make sure the output has a dict
+        rec["recommendations_by_rule"] = {}
         return rec
+
+    # Group the list by rule
     by_rule: dict = {}
     for item in raw_list:
         rule = (
@@ -75,6 +87,8 @@ def _normalize_recommendations(rec: dict) -> dict:
             or "general"
         )
         by_rule.setdefault(rule, []).append(item)
+
+    # Return the original dict with the new/replaced 'recommendations_by_rule'
     return {**rec, "recommendations_by_rule": by_rule}