Refactor variable names for clarity in vector_stores.py

Author: 0xrushi

backends/advanced/src/advanced_omi_backend/services/memory/providers/vector_stores.py

@@ -175,7 +175,7 @@ async def search_memories(self, query_embedding: List[float], user_id: str, limi
                 "query_filter": search_filter,
                 "limit": limit
             }
-
+            
             if score_threshold > 0.0:
                 search_params["score_threshold"] = score_threshold
                 memory_logger.debug(f"Using similarity threshold: {score_threshold}")
@@ -185,7 +185,7 @@ async def search_memories(self, query_embedding: List[float], user_id: str, limi
             results = response.points
 
             memories = []
-            for result in response.points:
+            for result in results:
                 memory = MemoryEntry(
                     id=str(result.id),
                     content=result.payload.get("content", ""),