Update ai_logic.py

ai_logic.py

@@ -228,7 +228,7 @@ def load_vector_store():
     else:
         build_and_save_vector_store()
 
-def retrieve_context_from_blog(query: str, k: int = 6) -> str:
+def retrieve_context_from_blog(query: str, k: int = 4) -> str:
     """Busca contexto relevante no vector store."""
     if vector_store:
         try: