def compress_history(text: str) -> str:
    return f"[compressed] {text}"

def web_search(args: dict) -> str:
    return f"Search result for: {args.get('query')}"

def webpage_reader(args: dict) -> str:
    return f"Page content from: {args.get('url')}"

def summarize(args: dict) -> str:
    return f"Summary: {args.get('text')}"