Update backend/knowledge_base.py

backend/knowledge_base.py

@@ -46,7 +46,7 @@ def initialize_knowledge_base():
     else:
         print(f"Knowledge base already loaded with {existing} documents.")
 
-def search_knowledge_base(query: str, n_results: int = 3) -> str:
+def search_knowledge_base(query: str, n_results: int = 5) -> str:
     query_embedding = model.encode([query]).tolist()
     results = collection.query(query_embeddings=query_embedding, n_results=n_results)
     docs = results['documents'][0] if results['documents'] else []