update the k retrever

prepare_env.py

@@ -284,7 +284,7 @@ def create_section_tools(embedding_function, llm):
             if os.path.exists(path):
                 print(f"📁 Creating retriever for section {section} from {path}")
                 vstore, docs = create_vectorstore_from_json(path, f"Guide_2023_{section}", embedding_function)
-                section_retrievers[section] = create_retriever(vstore, docs, llm, bm25_k=7, vector_k=10)
+                section_retrievers[section] = create_retriever(vstore, docs, llm,)
                 print(f"✅ Successfully created retriever for section {section}")
             else:
                 print(f"⚠️ Warning: File not found for section {section}: {path}")